Script started on 2024-09-24 19:02:58+00:00 [TERM="xterm-256color" TTY="/dev/pts/0" COLUMNS="-1" LINES="-1"]
P;HTML|
;           (set_option_value  prolog false)

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;           (set_option_value  compat auto)

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;           (set_option_value  compatio true)
Verbosity set to level 1  
Argv=['']  
P;HTML|
;            (is_cmd_option  prescan halt --halt=true true)
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;            (set_option_value  halt true)
P;HTML|
;            (is_cmd_option  prescan stdin --stdin=tty tty)
P;HTML|
;             (set_option_value  stdin tty)
P;HTML|
;            (is_cmd_option  prescan stdout --stdout=tty tty)
P;HTML|
;             (set_option_value  stdout tty)
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;            (is_cmd_option  prescan stderr --stderr=tty tty)
P;HTML|
;             (set_option_value  stderr tty)
P;HTML|
;            (set_option_value  prolog false)
P;HTML|
;            (set_option_value  compat auto)
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;            (set_option_value  compatio true)
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;          (is_cmd_option  execute python --python=enable enable)
P;HTML|
;           (set_option_value  python enable)
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;          (is_cmd_option  execute timeout --timeout=40 40)
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;           (set_option_value  timeout 40)
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;           (is_cmd_option  execute output --output=./reports/tests_output/baseline-compat-2024-09-24T18:53:33/ ./reports/tests_output/baseline-compat-2024-09-24T18:53:33/)
P;HTML|
;           (set_option_value  output ./reports/tests_output/baseline-compat-2024-09-24T18:53:33/)
P;HTML|
;           (is_cmd_option  execute html --html true)
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;            (set_option_value  html true)
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;           (is_cmd_option  execute test --test true)
P;HTML|
;            (set_option_value  test true)

; (load_metta_file  &self tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta)
P;HTML|
;                         (track_load_into_file  /home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta)
; (%COMMENT  ";;         5. Type inference: (: TERM $type)" 32 0) ; line: 157 
; Done translating 29 forms: asserted_metta_pred(nthesize_long_1727204583_4476514,'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta').


  (failed  once fail)




  (failed  once fail)


^  Call: (171) [user] call(user:once, user:fail)
^  Call: (172) [user] once(user:fail)
   Call: (173) [system] fail
^  Fail: (171) [system] call(user:once, user:fail)
^  Call: (171) [bugger] bugger:mquietly_if(true, rtrace:pop_tracer)
   Call: (173) [system] var(rtrace:pop_tracer)
   Fail: (173) [system] var(rtrace:pop_tracer)
^  Call: (175) [system] setup_call_cleanup('$notrace'(_13312, _13314), once(rtrace:retract(t_l:tracer_reset(_13302))), '$restore_trace'(_13312, _13314))
^  Call: (176) [system] sig_atomic(system:'$notrace'(_13312, _13314))
^  Exit: (175) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(rtrace:retract(t_l:tracer_reset(tAt_normal))), system:'$restore_trace'(3, -1))
^  Call: (175) [rtrace] tAt(false, 271, 271, false)


  (failed  once 
    (convert_metta_to_datalog  /home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta $_2360))




  (failed  once 
    (convert_metta_to_datalog  /home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta $_2360))


^  Call: (158) [user] call(user:once, user:convert_metta_to_datalog(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', _2360))
^  Call: (159) [user] once(user:convert_metta_to_datalog(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', _2360))
^  Call: (160) [user] convert_metta_to_datalog(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', _2360)
^  Call: (161) [user] ignore(symbol_concat(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', '.datalog', _2360))
^  Call: (162) [user] symbol_concat(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', '.datalog', _2360)
   Call: (163) [system] atom_concat(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', '.datalog', _2360)
   Exit: (163) [system] atom_concat(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', '.datalog', '/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta.datalog')
^  Exit: (162) [user] symbol_concat(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', '.datalog', '/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta.datalog')
^  Exit: (161) [system] ignore(user:symbol_concat(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', '.datalog', '/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta.datalog'))
^  Call: (161) [user] setup_call_cleanup(open(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', read, _78348, [encoding(utf8)]), setup_call_cleanup(open('/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta.datalog', write, _78376, [encoding(utf8)]), must_det_ll(translate_metta_file_to_datalog_io(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', _78348, _78376)), close(_78376)), close(_78348))
^  Call: (162) [system] sig_atomic(user:open(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', read, _78348, [encoding(utf8)]))
   Call: (164) [system] open(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', read, _78348, [encoding(utf8)])
   Exit: (164) [system] open(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', read, (0x563acd73bee0), [encoding(utf8)])
^  Exit: (162) [system] sig_atomic(user:open(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', read, (0x563acd73bee0), [encoding(utf8)]))
^  Call: (162) [user] setup_call_cleanup(open('/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta.datalog', write, _78376, [encoding(utf8)]), must_det_ll(translate_metta_file_to_datalog_io(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', (0x563acd73bee0), _78376)), close(_78376))
^  Call: (163) [system] sig_atomic(user:open('/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta.datalog', write, _78376, [encoding(utf8)]))
   Call: (165) [system] open('/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta.datalog', write, _78376, [encoding(utf8)])
   Exit: (165) [system] open(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta.datalog', write, (0x563acd7397e0), [encoding(utf8)])
^  Exit: (163) [system] sig_atomic(user:open(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta.datalog', write, (0x563acd7397e0), [encoding(utf8)]))
^  Call: (163) [user] must_det_ll(translate_metta_file_to_datalog_io(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', (0x563acd73bee0), (0x563acd7397e0)))
^  Call: (164) [user] once(user:translate_metta_file_to_datalog_io(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', (0x563acd73bee0), (0x563acd7397e0)))
^  Call: (165) [user] translate_metta_file_to_datalog_io(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', (0x563acd73bee0), (0x563acd7397e0))
^  Call: (166) [user] may_use_datalog
^  Exit: (166) [user] may_use_datalog
^  Call: (166) [user] must_det_ll(notrace((write((0x563acd7397e0), '/* '), write((0x563acd7397e0), P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta'), writeln((0x563acd7397e0), ' */'), get_time(_139386), stamp_date_time(_139386, _139398, 'UTC'), format_time(string(_139418), '%FT%T%z', _139398), write((0x563acd7397e0), '/* '), write((0x563acd7397e0), _139418), writeln((0x563acd7397e0), ' */'))))
^  Call: (167) [user] once(user:notrace((write((0x563acd7397e0), '/* '), write((0x563acd7397e0), P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta'), writeln((0x563acd7397e0), ' */'), get_time(_139386), stamp_date_time(_139386, _139398, 'UTC'), format_time(string(_139418), '%FT%T%z', _139398), write((0x563acd7397e0), '/* '), write((0x563acd7397e0), _139418), writeln((0x563acd7397e0), ' */'))))
^  Call: (169) [system] setup_call_cleanup('$notrace'(_149138, _149140), once(user:(write((0x563acd7397e0), '/* '), write((0x563acd7397e0), P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta'), writeln((0x563acd7397e0), ' */'), get_time(_139386), stamp_date_time(_139386, _139398, 'UTC'), format_time(string(_139418), '%FT%T%z', _139398), write((0x563acd7397e0), '/* '), write((0x563acd7397e0), _139418), writeln((0x563acd7397e0), ' */'))), '$restore_trace'(_149138, _149140))
^  Call: (170) [system] sig_atomic(system:'$notrace'(_149138, _149140))
^  Exit: (169) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:(write((0x563acd7397e0), '/* '), write((0x563acd7397e0), P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta'), writeln((0x563acd7397e0), ' */'), get_time(1727204587.625688), stamp_date_time(1727204587.625688, date(2024, 9, 24, 19, 3, 7.625688076, 0, 'UTC', -), 'UTC'), format_time(string("2024-09-24T19:03:07+0000"), '%FT%T%z', date(2024, 9, 24, 19, 3, 7.625688076, 0, 'UTC', -)), write((0x563acd7397e0), '/* '), write((0x563acd7397e0), "2024-09-24T19:03:07+0000"), writeln((0x563acd7397e0), ' */'))), system:'$restore_trace'(3, -1))
^  Exit: (167) [system] once(user:notrace((write((0x563acd7397e0), '/* '), write((0x563acd7397e0), P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta'), writeln((0x563acd7397e0), ' */'), get_time(1727204587.625688), stamp_date_time(1727204587.625688, date(2024, 9, 24, 19, 3, 7.625688076, 0, 'UTC', -), 'UTC'), format_time(string("2024-09-24T19:03:07+0000"), '%FT%T%z', date(2024, 9, 24, 19, 3, 7.625688076, 0, 'UTC', -)), write((0x563acd7397e0), '/* '), write((0x563acd7397e0), "2024-09-24T19:03:07+0000"), writeln((0x563acd7397e0), ' */'))))
^  Exit: (166) [user] must_det_ll(user:notrace((write((0x563acd7397e0), '/* '), write((0x563acd7397e0), P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta'), writeln((0x563acd7397e0), ' */'), get_time(1727204587.625688), stamp_date_time(1727204587.625688, date(2024, 9, 24, 19, 3, 7.625688076, 0, 'UTC', -), 'UTC'), format_time(string("2024-09-24T19:03:07+0000"), '%FT%T%z', date(2024, 9, 24, 19, 3, 7.625688076, 0, 'UTC', -)), write((0x563acd7397e0), '/* '), write((0x563acd7397e0), "2024-09-24T19:03:07+0000"), writeln((0x563acd7397e0), ' */'))))
^  Call: (166) [user] must_det_ll(filename_to_mangled_pred(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', _169518))
^  Call: (167) [user] once(user:filename_to_mangled_pred(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', _169518))
^  Call: (168) [user] filename_to_mangled_pred(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', _169518)
   Call: (169) [system] get_time(_184038)
   Exit: (169) [system] get_time(1727204587.629323)
^  Call: (169) [user] symbolic_list_concat([data, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', 1727204587.629323], '_', _185912)
   Call: (170) [system] atomic_list_concat([data, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', 1727204587.629323], '_', _185912)
   Exit: (170) [system] atomic_list_concat([data, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', 1727204587.629323], '_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta_1727204587.629323')
^  Exit: (169) [user] symbolic_list_concat([data, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', 1727204587.629323], '_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta_1727204587.629323')
   Call: (169) [system] _205282=['.metta_'-'_', '_1710'-'_', (/)-'_', (/)-'_', ('.')-'_', (-)-'_', '__'-'_']
   Exit: (169) [system] ['.metta_'-'_', '_1710'-'_', (/)-'_', (/)-'_', ('.')-'_', (-)-'_', '__'-'_']=['.metta_'-'_', '_1710'-'_', (/)-'_', (/)-'_', ('.')-'_', (-)-'_', '__'-'_']
^  Call: (169) [user] atom_subst('data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta_1727204587.629323', ['.metta_'-'_', '_1710'-'_', (/)-'_', (/)-'_', ('.')-'_', (-)-'_', '__'-'_'], _207224)
^  Call: (170) [user] apply:foldl(replace_in_symbol, ['.metta_'-'_', '_1710'-'_', (/)-'_', (/)-'_', ('.')-'_', (-)-'_', '__'-'_'], 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta_1727204587.629323', _207224)
   Call: (171) [apply] apply:foldl_(['.metta_'-'_', '_1710'-'_', (/)-'_', (/)-'_', ('.')-'_', (-)-'_', '__'-'_'], user:replace_in_symbol, 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta_1727204587.629323', _207224)
^  Call: (172) [user] replace_in_symbol('.metta_'-'_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta_1727204587.629323', _210042)
^  Call: (173) [user] symbolic_list_concat(_210976, '.metta_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta_1727204587.629323')
   Call: (174) [system] atomic_list_concat(_210976, '.metta_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta_1727204587.629323')
   Exit: (174) [system] atomic_list_concat(['data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long', '1727204587.629323'], '.metta_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta_1727204587.629323')
^  Exit: (173) [user] symbolic_list_concat(['data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long', '1727204587.629323'], '.metta_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta_1727204587.629323')
^  Call: (173) [user] symbolic_list_concat(['data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long', '1727204587.629323'], '_', _210042)
   Call: (174) [system] atomic_list_concat(['data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long', '1727204587.629323'], '_', _210042)
   Exit: (174) [system] atomic_list_concat(['data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long', '1727204587.629323'], '_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1727204587.629323')
^  Exit: (173) [user] symbolic_list_concat(['data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long', '1727204587.629323'], '_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1727204587.629323')
^  Exit: (172) [user] replace_in_symbol('.metta_'-'_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta_1727204587.629323', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1727204587.629323')
   Call: (172) [apply] apply:foldl_(['_1710'-'_', (/)-'_', (/)-'_', ('.')-'_', (-)-'_', '__'-'_'], user:replace_in_symbol, 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1727204587.629323', _207224)
^  Call: (173) [user] replace_in_symbol('_1710'-'_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1727204587.629323', _220314)
^  Call: (174) [user] symbolic_list_concat(_221248, '_1710', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1727204587.629323')
   Call: (175) [system] atomic_list_concat(_221248, '_1710', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1727204587.629323')
   Exit: (175) [system] atomic_list_concat(['data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1727204587.629323'], '_1710', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1727204587.629323')
^  Exit: (174) [user] symbolic_list_concat(['data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1727204587.629323'], '_1710', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1727204587.629323')
^  Call: (174) [user] symbolic_list_concat(['data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1727204587.629323'], '_', _220314)
   Call: (175) [system] atomic_list_concat(['data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1727204587.629323'], '_', _220314)
   Exit: (175) [system] atomic_list_concat(['data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1727204587.629323'], '_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1727204587.629323')
^  Exit: (174) [user] symbolic_list_concat(['data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1727204587.629323'], '_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1727204587.629323')
^  Exit: (173) [user] replace_in_symbol('_1710'-'_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1727204587.629323', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1727204587.629323')
   Call: (173) [apply] apply:foldl_([(/)-'_', (/)-'_', ('.')-'_', (-)-'_', '__'-'_'], user:replace_in_symbol, 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1727204587.629323', _207224)
^  Call: (174) [user] replace_in_symbol((/)-'_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1727204587.629323', _230580)
^  Call: (175) [user] symbolic_list_concat(_231514, /, 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1727204587.629323')
   Call: (176) [system] atomic_list_concat(_231514, /, 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1727204587.629323')
   Exit: (176) [system] atomic_list_concat([data_, home, runner, work, 'metta-wam', 'metta-wam', tests, baseline_compat, 'hyperon-mettalog_sanity', synth_buffer, 'time_synthesize_long_1727204587.629323'], /, 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1727204587.629323')
^  Exit: (175) [user] symbolic_list_concat([data_, home, runner, work, 'metta-wam', 'metta-wam', tests, baseline_compat, 'hyperon-mettalog_sanity', synth_buffer, 'time_synthesize_long_1727204587.629323'], /, 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1727204587.629323')
^  Call: (175) [user] symbolic_list_concat([data_, home, runner, work, 'metta-wam', 'metta-wam', tests, baseline_compat, 'hyperon-mettalog_sanity', synth_buffer, 'time_synthesize_long_1727204587.629323'], '_', _230580)
   Call: (176) [system] atomic_list_concat([data_, home, runner, work, 'metta-wam', 'metta-wam', tests, baseline_compat, 'hyperon-mettalog_sanity', synth_buffer, 'time_synthesize_long_1727204587.629323'], '_', _230580)
   Exit: (176) [system] atomic_list_concat([data_, home, runner, work, 'metta-wam', 'metta-wam', tests, baseline_compat, 'hyperon-mettalog_sanity', synth_buffer, 'time_synthesize_long_1727204587.629323'], '_', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1727204587.629323')
^  Exit: (175) [user] symbolic_list_concat([data_, home, runner, work, 'metta-wam', 'metta-wam', tests, baseline_compat, 'hyperon-mettalog_sanity', synth_buffer, 'time_synthesize_long_1727204587.629323'], '_', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1727204587.629323')
^  Exit: (174) [user] replace_in_symbol((/)-'_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1727204587.629323', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1727204587.629323')
   Call: (174) [apply] apply:foldl_([(/)-'_', ('.')-'_', (-)-'_', '__'-'_'], user:replace_in_symbol, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1727204587.629323', _207224)
^  Call: (175) [user] replace_in_symbol((/)-'_', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1727204587.629323', _240906)
^  Call: (176) [user] symbolic_list_concat(_241840, /, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1727204587.629323')
   Call: (177) [system] atomic_list_concat(_241840, /, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1727204587.629323')
   Exit: (177) [system] atomic_list_concat(['data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1727204587.629323'], /, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1727204587.629323')
^  Exit: (176) [user] symbolic_list_concat(['data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1727204587.629323'], /, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1727204587.629323')
^  Call: (176) [user] symbolic_list_concat(['data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1727204587.629323'], '_', _240906)
   Call: (177) [system] atomic_list_concat(['data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1727204587.629323'], '_', _240906)
   Exit: (177) [system] atomic_list_concat(['data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1727204587.629323'], '_', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1727204587.629323')
^  Exit: (176) [user] symbolic_list_concat(['data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1727204587.629323'], '_', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1727204587.629323')
^  Exit: (175) [user] replace_in_symbol((/)-'_', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1727204587.629323', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1727204587.629323')
   Call: (175) [apply] apply:foldl_([('.')-'_', (-)-'_', '__'-'_'], user:replace_in_symbol, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1727204587.629323', _207224)
^  Call: (176) [user] replace_in_symbol(('.')-'_', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1727204587.629323', _251172)
^  Call: (177) [user] symbolic_list_concat(_252106, '.', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1727204587.629323')
   Call: (178) [system] atomic_list_concat(_252106, '.', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1727204587.629323')
   Exit: (178) [system] atomic_list_concat(['data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1727204587', '629323'], '.', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1727204587.629323')
^  Exit: (177) [user] symbolic_list_concat(['data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1727204587', '629323'], '.', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1727204587.629323')
^  Call: (177) [user] symbolic_list_concat(['data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1727204587', '629323'], '_', _251172)
   Call: (178) [system] atomic_list_concat(['data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1727204587', '629323'], '_', _251172)
   Exit: (178) [system] atomic_list_concat(['data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1727204587', '629323'], '_', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1727204587_629323')
^  Exit: (177) [user] symbolic_list_concat(['data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1727204587', '629323'], '_', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1727204587_629323')
^  Exit: (176) [user] replace_in_symbol(('.')-'_', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1727204587.629323', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1727204587_629323')
   Call: (176) [apply] apply:foldl_([(-)-'_', '__'-'_'], user:replace_in_symbol, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1727204587_629323', _207224)
^  Call: (177) [user] replace_in_symbol((-)-'_', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1727204587_629323', _261444)
^  Call: (178) [user] symbolic_list_concat(_262378, -, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1727204587_629323')
   Call: (179) [system] atomic_list_concat(_262378, -, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1727204587_629323')
   Exit: (179) [system] atomic_list_concat([data__home_runner_work_metta, wam_metta, wam_tests_baseline_compat_hyperon, mettalog_sanity_synth_buffer_time_synthesize_long_1727204587_629323], -, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1727204587_629323')
^  Exit: (178) [user] symbolic_list_concat([data__home_runner_work_metta, wam_metta, wam_tests_baseline_compat_hyperon, mettalog_sanity_synth_buffer_time_synthesize_long_1727204587_629323], -, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1727204587_629323')
^  Call: (178) [user] symbolic_list_concat([data__home_runner_work_metta, wam_metta, wam_tests_baseline_compat_hyperon, mettalog_sanity_synth_buffer_time_synthesize_long_1727204587_629323], '_', _261444)
   Call: (179) [system] atomic_list_concat([data__home_runner_work_metta, wam_metta, wam_tests_baseline_compat_hyperon, mettalog_sanity_synth_buffer_time_synthesize_long_1727204587_629323], '_', _261444)
   Exit: (179) [system] atomic_list_concat([data__home_runner_work_metta, wam_metta, wam_tests_baseline_compat_hyperon, mettalog_sanity_synth_buffer_time_synthesize_long_1727204587_629323], '_', data__home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1727204587_629323)
^  Exit: (178) [user] symbolic_list_concat([data__home_runner_work_metta, wam_metta, wam_tests_baseline_compat_hyperon, mettalog_sanity_synth_buffer_time_synthesize_long_1727204587_629323], '_', data__home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1727204587_629323)
^  Exit: (177) [user] replace_in_symbol((-)-'_', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1727204587_629323', data__home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1727204587_629323)
   Call: (177) [apply] apply:foldl_(['__'-'_'], user:replace_in_symbol, data__home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1727204587_629323, _207224)
^  Call: (178) [user] replace_in_symbol('__'-'_', data__home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1727204587_629323, _271728)
^  Call: (179) [user] symbolic_list_concat(_272662, '__', data__home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1727204587_629323)
   Call: (180) [system] atomic_list_concat(_272662, '__', data__home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1727204587_629323)
   Exit: (180) [system] atomic_list_concat([data, home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1727204587_629323], '__', data__home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1727204587_629323)
^  Exit: (179) [user] symbolic_list_concat([data, home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1727204587_629323], '__', data__home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1727204587_629323)
^  Call: (179) [user] symbolic_list_concat([data, home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1727204587_629323], '_', _271728)
   Call: (180) [system] atomic_list_concat([data, home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1727204587_629323], '_', _271728)
   Exit: (180) [system] atomic_list_concat([data, home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1727204587_629323], '_', data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1727204587_629323)
^  Exit: (179) [user] symbolic_list_concat([data, home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1727204587_629323], '_', data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1727204587_629323)
^  Exit: (178) [user] replace_in_symbol('__'-'_', data__home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1727204587_629323, data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1727204587_629323)
   Call: (178) [apply] apply:foldl_([], user:replace_in_symbol, data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1727204587_629323, _207224)
   Exit: (178) [apply] apply:foldl_([], user:replace_in_symbol, data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1727204587_629323, data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1727204587_629323)
   Exit: (177) [apply] apply:foldl_(['__'-'_'], user:replace_in_symbol, data__home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1727204587_629323, data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1727204587_629323)
   Exit: (176) [apply] apply:foldl_([(-)-'_', '__'-'_'], user:replace_in_symbol, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1727204587_629323', data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1727204587_629323)
   Exit: (175) [apply] apply:foldl_([('.')-'_', (-)-'_', '__'-'_'], user:replace_in_symbol, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1727204587.629323', data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1727204587_629323)
   Exit: (174) [apply] apply:foldl_([(/)-'_', ('.')-'_', (-)-'_', '__'-'_'], user:replace_in_symbol, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1727204587.629323', data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1727204587_629323)
   Exit: (173) [apply] apply:foldl_([(/)-'_', (/)-'_', ('.')-'_', (-)-'_', '__'-'_'], user:replace_in_symbol, 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1727204587.629323', data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1727204587_629323)
   Exit: (172) [apply] apply:foldl_(['_1710'-'_', (/)-'_', (/)-'_', ('.')-'_', (-)-'_', '__'-'_'], user:replace_in_symbol, 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1727204587.629323', data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1727204587_629323)
   Exit: (171) [apply] apply:foldl_(['.metta_'-'_', '_1710'-'_', (/)-'_', (/)-'_', ('.')-'_', (-)-'_', '__'-'_'], user:replace_in_symbol, 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta_1727204587.629323', data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1727204587_629323)
^  Exit: (170) [apply] apply:foldl(user:replace_in_symbol, ['.metta_'-'_', '_1710'-'_', (/)-'_', (/)-'_', ('.')-'_', (-)-'_', '__'-'_'], 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta_1727204587.629323', data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1727204587_629323)
^  Exit: (169) [user] atom_subst('data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta_1727204587.629323', ['.metta_'-'_', '_1710'-'_', (/)-'_', (/)-'_', ('.')-'_', (-)-'_', '__'-'_'], data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1727204587_629323)
^  Call: (169) [user] trim_to_last_nchars(24, data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1727204587_629323, _169518)
   Call: (170) [system] atom_length(data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1727204587_629323, _292294)
   Exit: (170) [system] atom_length(data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1727204587_629323, 139)
   Call: (170) [system] 139=<24
   Call: (170) [system] _295086 is 139+ -32
   Exit: (170) [system] 107 is 139+ -32
   Call: (170) [system] sub_atom(data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1727204587_629323, 107, 32, _297024, _169518)
   Exit: (170) [system] sub_atom(data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1727204587_629323, 107, 32, 0, ynthesize_long_1727204587_629323)
^  Exit: (169) [user] trim_to_last_nchars(24, data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1727204587_629323, ynthesize_long_1727204587_629323)
^  Exit: (168) [user] filename_to_mangled_pred(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', ynthesize_long_1727204587_629323)
^  Exit: (167) [system] once(user:filename_to_mangled_pred(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', ynthesize_long_1727204587_629323))
^  Exit: (166) [user] must_det_ll(user:filename_to_mangled_pred(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', ynthesize_long_1727204587_629323))
^  Call: (166) [user] must_det_ll(mangle_iz(ynthesize_long_1727204587_629323, _314272))
^  Call: (167) [user] once(user:mangle_iz(ynthesize_long_1727204587_629323, _314272))
^  Call: (168) [user] mangle_iz(ynthesize_long_1727204587_629323, _314272)
^  Call: (169) [user] symbol_concat(ynthesize_long_1727204587_629323, '_iz', _314272)
   Call: (170) [system] atom_concat(ynthesize_long_1727204587_629323, '_iz', _314272)
   Exit: (170) [system] atom_concat(ynthesize_long_1727204587_629323, '_iz', ynthesize_long_1727204587_629323_iz)
^  Exit: (169) [user] symbol_concat(ynthesize_long_1727204587_629323, '_iz', ynthesize_long_1727204587_629323_iz)
^  Exit: (168) [user] mangle_iz(ynthesize_long_1727204587_629323, ynthesize_long_1727204587_629323_iz)
^  Exit: (167) [system] once(user:mangle_iz(ynthesize_long_1727204587_629323, ynthesize_long_1727204587_629323_iz))
^  Exit: (166) [user] must_det_ll(user:mangle_iz(ynthesize_long_1727204587_629323, ynthesize_long_1727204587_629323_iz))
^  Call: (166) [user] must_det_ll(notrace((format((0x563acd7397e0), ':- style_check(-singleton). ~n', []), format((0x563acd7397e0), ':- style_check(-discontiguous). ~n', []), format((0x563acd7397e0), ':- dynamic((~q)/2). ~n', [ynthesize_long_1727204587_629323]), format((0x563acd7397e0), ':- dynamic((~q)/3). ~n', [ynthesize_long_1727204587_629323]), format((0x563acd7397e0), ':- dynamic((~q)/4). ~n', [ynthesize_long_1727204587_629323]), format((0x563acd7397e0), ':- dynamic((~q)/5). ~n', [ynthesize_long_1727204587_629323]), format((0x563acd7397e0), ':- dynamic((~q)/6). ~n', [ynthesize_long_1727204587_629323]), format((0x563acd7397e0), ':- dynamic((~q)/7). ~n', [ynthesize_long_1727204587_629323]), format((0x563acd7397e0), ':- dynamic((~q)/4). ~n', [ynthesize_long_1727204587_629323_iz]), format((0x563acd7397e0), ':- dynamic((~q)/5). ~n', [ynthesize_long_1727204587_629323_iz]), format((0x563acd7397e0), ':- dynamic((~q)/6). ~n', [ynthesize_long_1727204587_629323_iz]), format((0x563acd7397e0), ':- dynamic((~q)/7). ~n', [ynthesize_long_1727204587_629323_iz]), format((0x563acd7397e0), ':- dynamic((~q)/8). ~n', [ynthesize_long_1727204587_629323_iz]), writeln((0x563acd7397e0), ':- dynamic(user:asserted_metta_pred/2).'), writeln((0x563acd7397e0), ':- multifile(user:asserted_metta_pred/2).'), format((0x563acd7397e0), 'user:asserted_metta_pred(~q,~q). ~n', [ynthesize_long_1727204587_629323, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta']), with_output_to((0x563acd7397e0), produce_iz(ynthesize_long_1727204587_629323)))))
^  Call: (167) [user] once(user:notrace((format((0x563acd7397e0), ':- style_check(-singleton). ~n', []), format((0x563acd7397e0), ':- style_check(-discontiguous). ~n', []), format((0x563acd7397e0), ':- dynamic((~q)/2). ~n', [ynthesize_long_1727204587_629323]), format((0x563acd7397e0), ':- dynamic((~q)/3). ~n', [ynthesize_long_1727204587_629323]), format((0x563acd7397e0), ':- dynamic((~q)/4). ~n', [ynthesize_long_1727204587_629323]), format((0x563acd7397e0), ':- dynamic((~q)/5). ~n', [ynthesize_long_1727204587_629323]), format((0x563acd7397e0), ':- dynamic((~q)/6). ~n', [ynthesize_long_1727204587_629323]), format((0x563acd7397e0), ':- dynamic((~q)/7). ~n', [ynthesize_long_1727204587_629323]), format((0x563acd7397e0), ':- dynamic((~q)/4). ~n', [ynthesize_long_1727204587_629323_iz]), format((0x563acd7397e0), ':- dynamic((~q)/5). ~n', [ynthesize_long_1727204587_629323_iz]), format((0x563acd7397e0), ':- dynamic((~q)/6). ~n', [ynthesize_long_1727204587_629323_iz]), format((0x563acd7397e0), ':- dynamic((~q)/7). ~n', [ynthesize_long_1727204587_629323_iz]), format((0x563acd7397e0), ':- dynamic((~q)/8). ~n', [ynthesize_long_1727204587_629323_iz]), writeln((0x563acd7397e0), ':- dynamic(user:asserted_metta_pred/2).'), writeln((0x563acd7397e0), ':- multifile(user:asserted_metta_pred/2).'), format((0x563acd7397e0), 'user:asserted_metta_pred(~q,~q). ~n', [ynthesize_long_1727204587_629323, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta']), with_output_to((0x563acd7397e0), produce_iz(ynthesize_long_1727204587_629323)))))
^  Call: (169) [system] setup_call_cleanup('$notrace'(_333572, _333574), once(user:(format((0x563acd7397e0), ':- style_check(-singleton). ~n', []), format((0x563acd7397e0), ':- style_check(-discontiguous). ~n', []), format((0x563acd7397e0), ':- dynamic((~q)/2). ~n', [ynthesize_long_1727204587_629323]), format((0x563acd7397e0), ':- dynamic((~q)/3). ~n', [ynthesize_long_1727204587_629323]), format((0x563acd7397e0), ':- dynamic((~q)/4). ~n', [ynthesize_long_1727204587_629323]), format((0x563acd7397e0), ':- dynamic((~q)/5). ~n', [ynthesize_long_1727204587_629323]), format((0x563acd7397e0), ':- dynamic((~q)/6). ~n', [ynthesize_long_1727204587_629323]), format((0x563acd7397e0), ':- dynamic((~q)/7). ~n', [ynthesize_long_1727204587_629323]), format((0x563acd7397e0), ':- dynamic((~q)/4). ~n', [ynthesize_long_1727204587_629323_iz]), format((0x563acd7397e0), ':- dynamic((~q)/5). ~n', [ynthesize_long_1727204587_629323_iz]), format((0x563acd7397e0), ':- dynamic((~q)/6). ~n', [ynthesize_long_1727204587_629323_iz]), format((0x563acd7397e0), ':- dynamic((~q)/7). ~n', [ynthesize_long_1727204587_629323_iz]), format((0x563acd7397e0), ':- dynamic((~q)/8). ~n', [ynthesize_long_1727204587_629323_iz]), writeln((0x563acd7397e0), ':- dynamic(user:asserted_metta_pred/2).'), writeln((0x563acd7397e0), ':- multifile(user:asserted_metta_pred/2).'), format((0x563acd7397e0), 'user:asserted_metta_pred(~q,~q). ~n', [ynthesize_long_1727204587_629323, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta']), with_output_to((0x563acd7397e0), produce_iz(ynthesize_long_1727204587_629323)))), '$restore_trace'(_333572, _333574))
^  Call: (170) [system] sig_atomic(system:'$notrace'(_333572, _333574))
^  Exit: (169) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:(format((0x563acd7397e0), ':- style_check(-singleton). ~n', []), format((0x563acd7397e0), ':- style_check(-discontiguous). ~n', []), format((0x563acd7397e0), ':- dynamic((~q)/2). ~n', [ynthesize_long_1727204587_629323]), format((0x563acd7397e0), ':- dynamic((~q)/3). ~n', [ynthesize_long_1727204587_629323]), format((0x563acd7397e0), ':- dynamic((~q)/4). ~n', [ynthesize_long_1727204587_629323]), format((0x563acd7397e0), ':- dynamic((~q)/5). ~n', [ynthesize_long_1727204587_629323]), format((0x563acd7397e0), ':- dynamic((~q)/6). ~n', [ynthesize_long_1727204587_629323]), format((0x563acd7397e0), ':- dynamic((~q)/7). ~n', [ynthesize_long_1727204587_629323]), format((0x563acd7397e0), ':- dynamic((~q)/4). ~n', [ynthesize_long_1727204587_629323_iz]), format((0x563acd7397e0), ':- dynamic((~q)/5). ~n', [ynthesize_long_1727204587_629323_iz]), format((0x563acd7397e0), ':- dynamic((~q)/6). ~n', [ynthesize_long_1727204587_629323_iz]), format((0x563acd7397e0), ':- dynamic((~q)/7). ~n', [ynthesize_long_1727204587_629323_iz]), format((0x563acd7397e0), ':- dynamic((~q)/8). ~n', [ynthesize_long_1727204587_629323_iz]), writeln((0x563acd7397e0), ':- dynamic(user:asserted_metta_pred/2).'), writeln((0x563acd7397e0), ':- multifile(user:asserted_metta_pred/2).'), format((0x563acd7397e0), 'user:asserted_metta_pred(~q,~q). ~n', [ynthesize_long_1727204587_629323, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta']), with_output_to((0x563acd7397e0), produce_iz(ynthesize_long_1727204587_629323)))), system:'$restore_trace'(3, -1))
^  Exit: (167) [system] once(user:notrace((format((0x563acd7397e0), ':- style_check(-singleton). ~n', []), format((0x563acd7397e0), ':- style_check(-discontiguous). ~n', []), format((0x563acd7397e0), ':- dynamic((~q)/2). ~n', [ynthesize_long_1727204587_629323]), format((0x563acd7397e0), ':- dynamic((~q)/3). ~n', [ynthesize_long_1727204587_629323]), format((0x563acd7397e0), ':- dynamic((~q)/4). ~n', [ynthesize_long_1727204587_629323]), format((0x563acd7397e0), ':- dynamic((~q)/5). ~n', [ynthesize_long_1727204587_629323]), format((0x563acd7397e0), ':- dynamic((~q)/6). ~n', [ynthesize_long_1727204587_629323]), format((0x563acd7397e0), ':- dynamic((~q)/7). ~n', [ynthesize_long_1727204587_629323]), format((0x563acd7397e0), ':- dynamic((~q)/4). ~n', [ynthesize_long_1727204587_629323_iz]), format((0x563acd7397e0), ':- dynamic((~q)/5). ~n', [ynthesize_long_1727204587_629323_iz]), format((0x563acd7397e0), ':- dynamic((~q)/6). ~n', [ynthesize_long_1727204587_629323_iz]), format((0x563acd7397e0), ':- dynamic((~q)/7). ~n', [ynthesize_long_1727204587_629323_iz]), format((0x563acd7397e0), ':- dynamic((~q)/8). ~n', [ynthesize_long_1727204587_629323_iz]), writeln((0x563acd7397e0), ':- dynamic(user:asserted_metta_pred/2).'), writeln((0x563acd7397e0), ':- multifile(user:asserted_metta_pred/2).'), format((0x563acd7397e0), 'user:asserted_metta_pred(~q,~q). ~n', [ynthesize_long_1727204587_629323, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta']), with_output_to((0x563acd7397e0), produce_iz(ynthesize_long_1727204587_629323)))))
^  Exit: (166) [user] must_det_ll(user:notrace((format((0x563acd7397e0), ':- style_check(-singleton). ~n', []), format((0x563acd7397e0), ':- style_check(-discontiguous). ~n', []), format((0x563acd7397e0), ':- dynamic((~q)/2). ~n', [ynthesize_long_1727204587_629323]), format((0x563acd7397e0), ':- dynamic((~q)/3). ~n', [ynthesize_long_1727204587_629323]), format((0x563acd7397e0), ':- dynamic((~q)/4). ~n', [ynthesize_long_1727204587_629323]), format((0x563acd7397e0), ':- dynamic((~q)/5). ~n', [ynthesize_long_1727204587_629323]), format((0x563acd7397e0), ':- dynamic((~q)/6). ~n', [ynthesize_long_1727204587_629323]), format((0x563acd7397e0), ':- dynamic((~q)/7). ~n', [ynthesize_long_1727204587_629323]), format((0x563acd7397e0), ':- dynamic((~q)/4). ~n', [ynthesize_long_1727204587_629323_iz]), format((0x563acd7397e0), ':- dynamic((~q)/5). ~n', [ynthesize_long_1727204587_629323_iz]), format((0x563acd7397e0), ':- dynamic((~q)/6). ~n', [ynthesize_long_1727204587_629323_iz]), format((0x563acd7397e0), ':- dynamic((~q)/7). ~n', [ynthesize_long_1727204587_629323_iz]), format((0x563acd7397e0), ':- dynamic((~q)/8). ~n', [ynthesize_long_1727204587_629323_iz]), writeln((0x563acd7397e0), ':- dynamic(user:asserted_metta_pred/2).'), writeln((0x563acd7397e0), ':- multifile(user:asserted_metta_pred/2).'), format((0x563acd7397e0), 'user:asserted_metta_pred(~q,~q). ~n', [ynthesize_long_1727204587_629323, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta']), with_output_to((0x563acd7397e0), produce_iz(ynthesize_long_1727204587_629323)))))
^  Call: (166) [user] must_det_ll(flag(translated_forms, _354018, 0))
^  Call: (167) [user] once(user:flag(translated_forms, _354018, 0))
   Call: (168) [$syspreds] flag(translated_forms, _354018, 0)
   Call: (169) [system] _354018==0
^  Call: (169) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _354018, 0))
   Call: (171) [$syspreds] update_flag(translated_forms, _354018, 0)
   Call: (172) [system] get_flag(translated_forms, _354018)
   Exit: (172) [system] get_flag(translated_forms, 29)
   Call: (172) [system] atom(0)
   Call: (172) [system] set_flag(translated_forms, 0)
   Exit: (172) [system] set_flag(translated_forms, 0)
   Exit: (171) [$syspreds] update_flag(translated_forms, 29, 0)
^  Exit: (169) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 29, 0))
   Exit: (168) [$syspreds] flag(translated_forms, 29, 0)
^  Exit: (167) [system] once(user:flag(translated_forms, 29, 0))
^  Exit: (166) [user] must_det_ll(user:flag(translated_forms, 29, 0))
^  Call: (166) [user] must_det_ll(_368906=t(1727204587.625688))
^  Call: (167) [user] once(user:(_368906=t(1727204587.625688)))
   Call: (168) [system] _368906=t(1727204587.625688)
   Exit: (168) [system] t(1727204587.625688)=t(1727204587.625688)
^  Exit: (167) [system] once(user:(t(1727204587.625688)=t(1727204587.625688)))
^  Exit: (166) [user] must_det_ll(user:(t(1727204587.625688)=t(1727204587.625688)))
^  Call: (166) [user] once(call((repeat, (at_end_of_stream((0x563acd73bee0))->!;(must_det_ll(line_count((0x563acd73bee0), _374530)), must_det_ll(read_sform((0x563acd73bee0), _374540))), (_374540==end_of_file->!;once((if_t((get_time(_374590), arg(1, t(1727204587.625688), _374604), _374614 is _374590-_374604, _374614>4), (nb_setarg(1, t(1727204587.625688), _374590), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi(_374540), _374530]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _374702, _374702+1), write_metta_datalog_term((0x563acd7397e0), _374540, ynthesize_long_1727204587_629323, _374530))), fail)))))
^  Call: (167) [user] call((repeat, (at_end_of_stream((0x563acd73bee0))->!;(must_det_ll(line_count((0x563acd73bee0), _374530)), must_det_ll(read_sform((0x563acd73bee0), _374540))), (_374540==end_of_file->!;once((if_t((get_time(_374590), arg(1, t(1727204587.625688), _374604), _374614 is _374590-_374604, _374614>4), (nb_setarg(1, t(1727204587.625688), _374590), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi(_374540), _374530]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _374702, _374702+1), write_metta_datalog_term((0x563acd7397e0), _374540, ynthesize_long_1727204587_629323, _374530))), fail))))
   Call: (169) [system] repeat
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x563acd73bee0))
   Fail: (169) [system] at_end_of_stream((0x563acd73bee0))
^  Call: (169) [user] must_det_ll(line_count((0x563acd73bee0), _374530))
^  Call: (170) [user] once(user:line_count((0x563acd73bee0), _374530))
   Call: (171) [system] line_count((0x563acd73bee0), _374530)
   Exit: (171) [system] line_count((0x563acd73bee0), 1)
^  Exit: (170) [system] once(user:line_count((0x563acd73bee0), 1))
^  Exit: (169) [user] must_det_ll(user:line_count((0x563acd73bee0), 1))
^  Call: (169) [user] must_det_ll(read_sform((0x563acd73bee0), _374540))
^  Call: (170) [user] once(user:read_sform((0x563acd73bee0), _374540))
^  Call: (171) [user] read_sform((0x563acd73bee0), _374540)
   Call: (172) [system] string((0x563acd73bee0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
   Call: (173) [system] string((0x563acd73bee0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), _374540)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), _374540)
   Call: (174) [system] at_end_of_stream((0x563acd73bee0))
   Call: (174) [system] peek_char((0x563acd73bee0), _395364)
   Exit: (174) [system] peek_char((0x563acd73bee0), ;)
   Call: (174) [system] char_type(;, space)
   Call: (174) [system] _398150=(0x563acd73bee0)
   Exit: (174) [system] (0x563acd73bee0)=(0x563acd73bee0)
^  Call: (174) [user] once((read_position((0x563acd73bee0), _400018, _400020, _400022, _400024), read_sexpr((0x563acd73bee0), _400036), assertz(metta_file_comment(_400018, _400020, _400022, _400036, _400024))))
^  Call: (176) [user] read_position((0x563acd73bee0), _400018, _400020, _400022, _400024)
   Call: (177) [system] stream_property((0x563acd73bee0), position(_400024))
   Call: (178) [system] nonvar((0x563acd73bee0))
   Exit: (178) [system] nonvar((0x563acd73bee0))
   Call: (178) [system] nonvar(position(_400024))
   Exit: (178) [system] nonvar(position(_400024))
   Exit: (177) [system] stream_property((0x563acd73bee0), position('$stream_position'(0, 1, 0, 0)))
   Call: (177) [$syspreds] stream_position_data(line_count, '$stream_position'(0, 1, 0, 0), _400018)
   Call: (178) [system] nonvar(line_count)
   Exit: (178) [system] nonvar(line_count)
   Call: (178) [$syspreds] stream_position_field(line_count, _410276)
   Exit: (178) [$syspreds] stream_position_field(line_count, 2)
   Call: (178) [system] arg(2, '$stream_position'(0, 1, 0, 0), _400018)
   Exit: (178) [system] arg(2, '$stream_position'(0, 1, 0, 0), 1)
   Exit: (177) [$syspreds] stream_position_data(line_count, '$stream_position'(0, 1, 0, 0), 1)
   Call: (177) [$syspreds] stream_position_data(line_position, '$stream_position'(0, 1, 0, 0), _400020)
   Call: (178) [system] nonvar(line_position)
   Exit: (178) [system] nonvar(line_position)
   Call: (178) [$syspreds] stream_position_field(line_position, _417710)
   Exit: (178) [$syspreds] stream_position_field(line_position, 3)
   Call: (178) [system] arg(3, '$stream_position'(0, 1, 0, 0), _400020)
   Exit: (178) [system] arg(3, '$stream_position'(0, 1, 0, 0), 0)
   Exit: (177) [$syspreds] stream_position_data(line_position, '$stream_position'(0, 1, 0, 0), 0)
   Call: (177) [$syspreds] stream_position_data(char_count, '$stream_position'(0, 1, 0, 0), _400022)
   Call: (178) [system] nonvar(char_count)
   Exit: (178) [system] nonvar(char_count)
   Call: (178) [$syspreds] stream_position_field(char_count, _425144)
   Exit: (178) [$syspreds] stream_position_field(char_count, 1)
   Call: (178) [system] arg(1, '$stream_position'(0, 1, 0, 0), _400022)
   Exit: (178) [system] arg(1, '$stream_position'(0, 1, 0, 0), 0)
   Exit: (177) [$syspreds] stream_position_data(char_count, '$stream_position'(0, 1, 0, 0), 0)
^  Exit: (176) [user] read_position((0x563acd73bee0), 1, 0, 0, '$stream_position'(0, 1, 0, 0))
^  Call: (176) [user] read_sexpr((0x563acd73bee0), _400036)
   Call: (177) [system] string((0x563acd73bee0))
   Fail: (177) [system] string((0x563acd73bee0))
^  Call: (177) [user] cont_sexpr(')', (0x563acd73bee0), _400036)
^  Call: (178) [user] skip_spaces((0x563acd73bee0))
   Call: (179) [system] peek_char((0x563acd73bee0), _435370)
   Exit: (179) [system] peek_char((0x563acd73bee0), ;)
   Call: (179) [system] (;)=(;)
   Exit: (179) [system] (;)=(;)
^  Call: (179) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (180) [user] read_position((0x563acd73bee0), _440008, _440010, _440012, _440014)
   Call: (181) [system] stream_property((0x563acd73bee0), position(_440014))
   Call: (182) [system] nonvar((0x563acd73bee0))
   Exit: (182) [system] nonvar((0x563acd73bee0))
   Call: (182) [system] nonvar(position(_440014))
   Exit: (182) [system] nonvar(position(_440014))
   Exit: (181) [system] stream_property((0x563acd73bee0), position('$stream_position'(0, 1, 0, 0)))
   Call: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(0, 1, 0, 0), _440008)
   Call: (182) [system] nonvar(line_count)
   Exit: (182) [system] nonvar(line_count)
   Call: (182) [$syspreds] stream_position_field(line_count, _449302)
   Exit: (182) [$syspreds] stream_position_field(line_count, 2)
   Call: (182) [system] arg(2, '$stream_position'(0, 1, 0, 0), _440008)
   Exit: (182) [system] arg(2, '$stream_position'(0, 1, 0, 0), 1)
   Exit: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(0, 1, 0, 0), 1)
   Call: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(0, 1, 0, 0), _440010)
   Call: (182) [system] nonvar(line_position)
   Exit: (182) [system] nonvar(line_position)
   Call: (182) [$syspreds] stream_position_field(line_position, _456736)
   Exit: (182) [$syspreds] stream_position_field(line_position, 3)
   Call: (182) [system] arg(3, '$stream_position'(0, 1, 0, 0), _440010)
   Exit: (182) [system] arg(3, '$stream_position'(0, 1, 0, 0), 0)
   Exit: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(0, 1, 0, 0), 0)
   Call: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(0, 1, 0, 0), _440012)
   Call: (182) [system] nonvar(char_count)
   Exit: (182) [system] nonvar(char_count)
   Call: (182) [$syspreds] stream_position_field(char_count, _464170)
   Exit: (182) [$syspreds] stream_position_field(char_count, 1)
   Call: (182) [system] arg(1, '$stream_position'(0, 1, 0, 0), _440012)
   Exit: (182) [system] arg(1, '$stream_position'(0, 1, 0, 0), 0)
   Exit: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(0, 1, 0, 0), 0)
^  Exit: (180) [user] read_position((0x563acd73bee0), 1, 0, 0, '$stream_position'(0, 1, 0, 0))
   Call: (180) [read_util] read_util:read_line_to_string((0x563acd73bee0), _469764)
   Call: (181) [system] read_string((0x563acd73bee0), '\n', '\r', _470694, _470696)
   Exit: (181) [system] read_string((0x563acd73bee0), '\n', '\r', 10, ";;time metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (181) [system] 10\== -1
   Exit: (181) [system] 10\== -1
   Call: (181) [system] _469764=";;time metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta"
   Exit: (181) [system] ";;time metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta"=";;time metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta"
   Exit: (180) [read_util] read_util:read_line_to_string((0x563acd73bee0), ";;time metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Call: (180) [user] assertz(metta_file_comment(1, 0, 0, '$COMMENT'(";;time metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", 1, 0), '$stream_position'(0, 1, 0, 0)))
^  Exit: (180) [user] assertz(metta_file_comment(1, 0, 0, '$COMMENT'(";;time metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", 1, 0), '$stream_position'(0, 1, 0, 0)))
^  Exit: (179) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (179) [user] skip_spaces((0x563acd73bee0))
   Call: (180) [system] peek_char((0x563acd73bee0), _480972)
   Exit: (180) [system] peek_char((0x563acd73bee0), ;)
   Call: (180) [system] (;)=(;)
   Exit: (180) [system] (;)=(;)
^  Call: (180) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (181) [user] read_position((0x563acd73bee0), _485610, _485612, _485614, _485616)
   Call: (182) [system] stream_property((0x563acd73bee0), position(_485616))
   Call: (183) [system] nonvar((0x563acd73bee0))
   Exit: (183) [system] nonvar((0x563acd73bee0))
   Call: (183) [system] nonvar(position(_485616))
   Exit: (183) [system] nonvar(position(_485616))
   Exit: (182) [system] stream_property((0x563acd73bee0), position('$stream_position'(86, 2, 0, 86)))
   Call: (182) [$syspreds] stream_position_data(line_count, '$stream_position'(86, 2, 0, 86), _485610)
   Call: (183) [system] nonvar(line_count)
   Exit: (183) [system] nonvar(line_count)
   Call: (183) [$syspreds] stream_position_field(line_count, _494904)
   Exit: (183) [$syspreds] stream_position_field(line_count, 2)
   Call: (183) [system] arg(2, '$stream_position'(86, 2, 0, 86), _485610)
   Exit: (183) [system] arg(2, '$stream_position'(86, 2, 0, 86), 2)
   Exit: (182) [$syspreds] stream_position_data(line_count, '$stream_position'(86, 2, 0, 86), 2)
   Call: (182) [$syspreds] stream_position_data(line_position, '$stream_position'(86, 2, 0, 86), _485612)
   Call: (183) [system] nonvar(line_position)
   Exit: (183) [system] nonvar(line_position)
   Call: (183) [$syspreds] stream_position_field(line_position, _502338)
   Exit: (183) [$syspreds] stream_position_field(line_position, 3)
   Call: (183) [system] arg(3, '$stream_position'(86, 2, 0, 86), _485612)
   Exit: (183) [system] arg(3, '$stream_position'(86, 2, 0, 86), 0)
   Exit: (182) [$syspreds] stream_position_data(line_position, '$stream_position'(86, 2, 0, 86), 0)
   Call: (182) [$syspreds] stream_position_data(char_count, '$stream_position'(86, 2, 0, 86), _485614)
   Call: (183) [system] nonvar(char_count)
   Exit: (183) [system] nonvar(char_count)
   Call: (183) [$syspreds] stream_position_field(char_count, _509772)
   Exit: (183) [$syspreds] stream_position_field(char_count, 1)
   Call: (183) [system] arg(1, '$stream_position'(86, 2, 0, 86), _485614)
   Exit: (183) [system] arg(1, '$stream_position'(86, 2, 0, 86), 86)
   Exit: (182) [$syspreds] stream_position_data(char_count, '$stream_position'(86, 2, 0, 86), 86)
^  Exit: (181) [user] read_position((0x563acd73bee0), 2, 0, 86, '$stream_position'(86, 2, 0, 86))
   Call: (181) [read_util] read_util:read_line_to_string((0x563acd73bee0), _515366)
   Call: (182) [system] read_string((0x563acd73bee0), '\n', '\r', _516296, _516298)
   Exit: (182) [system] read_string((0x563acd73bee0), '\n', '\r', 10, ";;real    1m1.667s")
   Call: (182) [system] 10\== -1
   Exit: (182) [system] 10\== -1
   Call: (182) [system] _515366=";;real    1m1.667s"
   Exit: (182) [system] ";;real    1m1.667s"=";;real    1m1.667s"
   Exit: (181) [read_util] read_util:read_line_to_string((0x563acd73bee0), ";;real    1m1.667s")
^  Call: (181) [user] assertz(metta_file_comment(2, 0, 86, '$COMMENT'(";;real    1m1.667s", 2, 0), '$stream_position'(86, 2, 0, 86)))
^  Exit: (181) [user] assertz(metta_file_comment(2, 0, 86, '$COMMENT'(";;real    1m1.667s", 2, 0), '$stream_position'(86, 2, 0, 86)))
^  Exit: (180) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (180) [user] skip_spaces((0x563acd73bee0))
   Call: (181) [system] peek_char((0x563acd73bee0), _526558)
   Exit: (181) [system] peek_char((0x563acd73bee0), ;)
   Call: (181) [system] (;)=(;)
   Exit: (181) [system] (;)=(;)
^  Call: (181) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (182) [user] read_position((0x563acd73bee0), _531196, _531198, _531200, _531202)
   Call: (183) [system] stream_property((0x563acd73bee0), position(_531202))
   Call: (184) [system] nonvar((0x563acd73bee0))
   Exit: (184) [system] nonvar((0x563acd73bee0))
   Call: (184) [system] nonvar(position(_531202))
   Exit: (184) [system] nonvar(position(_531202))
   Exit: (183) [system] stream_property((0x563acd73bee0), position('$stream_position'(105, 3, 0, 105)))
   Call: (183) [$syspreds] stream_position_data(line_count, '$stream_position'(105, 3, 0, 105), _531196)
   Call: (184) [system] nonvar(line_count)
   Exit: (184) [system] nonvar(line_count)
   Call: (184) [$syspreds] stream_position_field(line_count, _540490)
   Exit: (184) [$syspreds] stream_position_field(line_count, 2)
   Call: (184) [system] arg(2, '$stream_position'(105, 3, 0, 105), _531196)
   Exit: (184) [system] arg(2, '$stream_position'(105, 3, 0, 105), 3)
   Exit: (183) [$syspreds] stream_position_data(line_count, '$stream_position'(105, 3, 0, 105), 3)
   Call: (183) [$syspreds] stream_position_data(line_position, '$stream_position'(105, 3, 0, 105), _531198)
   Call: (184) [system] nonvar(line_position)
   Exit: (184) [system] nonvar(line_position)
   Call: (184) [$syspreds] stream_position_field(line_position, _547924)
   Exit: (184) [$syspreds] stream_position_field(line_position, 3)
   Call: (184) [system] arg(3, '$stream_position'(105, 3, 0, 105), _531198)
   Exit: (184) [system] arg(3, '$stream_position'(105, 3, 0, 105), 0)
   Exit: (183) [$syspreds] stream_position_data(line_position, '$stream_position'(105, 3, 0, 105), 0)
   Call: (183) [$syspreds] stream_position_data(char_count, '$stream_position'(105, 3, 0, 105), _531200)
   Call: (184) [system] nonvar(char_count)
   Exit: (184) [system] nonvar(char_count)
   Call: (184) [$syspreds] stream_position_field(char_count, _555358)
   Exit: (184) [$syspreds] stream_position_field(char_count, 1)
   Call: (184) [system] arg(1, '$stream_position'(105, 3, 0, 105), _531200)
   Exit: (184) [system] arg(1, '$stream_position'(105, 3, 0, 105), 105)
   Exit: (183) [$syspreds] stream_position_data(char_count, '$stream_position'(105, 3, 0, 105), 105)
^  Exit: (182) [user] read_position((0x563acd73bee0), 3, 0, 105, '$stream_position'(105, 3, 0, 105))
   Call: (182) [read_util] read_util:read_line_to_string((0x563acd73bee0), _560952)
   Call: (183) [system] read_string((0x563acd73bee0), '\n', '\r', _561882, _561884)
   Exit: (183) [system] read_string((0x563acd73bee0), '\n', '\r', 10, ";;user    1m1.635s")
   Call: (183) [system] 10\== -1
   Exit: (183) [system] 10\== -1
   Call: (183) [system] _560952=";;user    1m1.635s"
   Exit: (183) [system] ";;user    1m1.635s"=";;user    1m1.635s"
   Exit: (182) [read_util] read_util:read_line_to_string((0x563acd73bee0), ";;user    1m1.635s")
^  Call: (182) [user] assertz(metta_file_comment(3, 0, 105, '$COMMENT'(";;user    1m1.635s", 3, 0), '$stream_position'(105, 3, 0, 105)))
^  Exit: (182) [user] assertz(metta_file_comment(3, 0, 105, '$COMMENT'(";;user    1m1.635s", 3, 0), '$stream_position'(105, 3, 0, 105)))
^  Exit: (181) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (181) [user] skip_spaces((0x563acd73bee0))
   Call: (182) [system] peek_char((0x563acd73bee0), _572144)
   Exit: (182) [system] peek_char((0x563acd73bee0), ;)
   Call: (182) [system] (;)=(;)
   Exit: (182) [system] (;)=(;)
^  Call: (182) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (183) [user] read_position((0x563acd73bee0), _576782, _576784, _576786, _576788)
   Call: (184) [system] stream_property((0x563acd73bee0), position(_576788))
   Call: (185) [system] nonvar((0x563acd73bee0))
   Exit: (185) [system] nonvar((0x563acd73bee0))
   Call: (185) [system] nonvar(position(_576788))
   Exit: (185) [system] nonvar(position(_576788))
   Exit: (184) [system] stream_property((0x563acd73bee0), position('$stream_position'(124, 4, 0, 124)))
   Call: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(124, 4, 0, 124), _576782)
   Call: (185) [system] nonvar(line_count)
   Exit: (185) [system] nonvar(line_count)
   Call: (185) [$syspreds] stream_position_field(line_count, _586076)
   Exit: (185) [$syspreds] stream_position_field(line_count, 2)
   Call: (185) [system] arg(2, '$stream_position'(124, 4, 0, 124), _576782)
   Exit: (185) [system] arg(2, '$stream_position'(124, 4, 0, 124), 4)
   Exit: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(124, 4, 0, 124), 4)
   Call: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(124, 4, 0, 124), _576784)
   Call: (185) [system] nonvar(line_position)
   Exit: (185) [system] nonvar(line_position)
   Call: (185) [$syspreds] stream_position_field(line_position, _593510)
   Exit: (185) [$syspreds] stream_position_field(line_position, 3)
   Call: (185) [system] arg(3, '$stream_position'(124, 4, 0, 124), _576784)
   Exit: (185) [system] arg(3, '$stream_position'(124, 4, 0, 124), 0)
   Exit: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(124, 4, 0, 124), 0)
   Call: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(124, 4, 0, 124), _576786)
   Call: (185) [system] nonvar(char_count)
   Exit: (185) [system] nonvar(char_count)
   Call: (185) [$syspreds] stream_position_field(char_count, _600944)
   Exit: (185) [$syspreds] stream_position_field(char_count, 1)
   Call: (185) [system] arg(1, '$stream_position'(124, 4, 0, 124), _576786)
   Exit: (185) [system] arg(1, '$stream_position'(124, 4, 0, 124), 124)
   Exit: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(124, 4, 0, 124), 124)
^  Exit: (183) [user] read_position((0x563acd73bee0), 4, 0, 124, '$stream_position'(124, 4, 0, 124))
   Call: (183) [read_util] read_util:read_line_to_string((0x563acd73bee0), _606538)
   Call: (184) [system] read_string((0x563acd73bee0), '\n', '\r', _607468, _607470)
   Exit: (184) [system] read_string((0x563acd73bee0), '\n', '\r', 10, ";;sys     0m0.030s")
   Call: (184) [system] 10\== -1
   Exit: (184) [system] 10\== -1
   Call: (184) [system] _606538=";;sys     0m0.030s"
   Exit: (184) [system] ";;sys     0m0.030s"=";;sys     0m0.030s"
   Exit: (183) [read_util] read_util:read_line_to_string((0x563acd73bee0), ";;sys     0m0.030s")
^  Call: (183) [user] assertz(metta_file_comment(4, 0, 124, '$COMMENT'(";;sys     0m0.030s", 4, 0), '$stream_position'(124, 4, 0, 124)))
^  Exit: (183) [user] assertz(metta_file_comment(4, 0, 124, '$COMMENT'(";;sys     0m0.030s", 4, 0), '$stream_position'(124, 4, 0, 124)))
^  Exit: (182) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (182) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] peek_char((0x563acd73bee0), _617730)
   Exit: (183) [system] peek_char((0x563acd73bee0), '\n')
   Call: (183) [system] '\n'=(;)
   Fail: (183) [system] '\n'=(;)
   Call: (183) [system] '\n'=(/)
   Fail: (183) [system] '\n'=(/)
^  Call: (183) [user] is_like_space('\n')
   Call: (184) [system] char_type('\n', 'white')
   Fail: (184) [system] char_type('\n', 'white')
   Call: (184) [system] char_type('\n', end_of_line)
   Exit: (184) [system] char_type('\n', end_of_line)
^  Exit: (183) [user] is_like_space('\n')
   Call: (183) [system] get_char((0x563acd73bee0), _629180)
   Exit: (183) [system] get_char((0x563acd73bee0), '\n')
^  Call: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _631884)
   Exit: (184) [system] peek_char((0x563acd73bee0), ;)
   Call: (184) [system] (;)=(;)
   Exit: (184) [system] (;)=(;)
^  Call: (184) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (185) [user] read_position((0x563acd73bee0), _636522, _636524, _636526, _636528)
   Call: (186) [system] stream_property((0x563acd73bee0), position(_636528))
   Call: (187) [system] nonvar((0x563acd73bee0))
   Exit: (187) [system] nonvar((0x563acd73bee0))
   Call: (187) [system] nonvar(position(_636528))
   Exit: (187) [system] nonvar(position(_636528))
   Exit: (186) [system] stream_property((0x563acd73bee0), position('$stream_position'(144, 6, 0, 144)))
   Call: (186) [$syspreds] stream_position_data(line_count, '$stream_position'(144, 6, 0, 144), _636522)
   Call: (187) [system] nonvar(line_count)
   Exit: (187) [system] nonvar(line_count)
   Call: (187) [$syspreds] stream_position_field(line_count, _645816)
   Exit: (187) [$syspreds] stream_position_field(line_count, 2)
   Call: (187) [system] arg(2, '$stream_position'(144, 6, 0, 144), _636522)
   Exit: (187) [system] arg(2, '$stream_position'(144, 6, 0, 144), 6)
   Exit: (186) [$syspreds] stream_position_data(line_count, '$stream_position'(144, 6, 0, 144), 6)
   Call: (186) [$syspreds] stream_position_data(line_position, '$stream_position'(144, 6, 0, 144), _636524)
   Call: (187) [system] nonvar(line_position)
   Exit: (187) [system] nonvar(line_position)
   Call: (187) [$syspreds] stream_position_field(line_position, _653250)
   Exit: (187) [$syspreds] stream_position_field(line_position, 3)
   Call: (187) [system] arg(3, '$stream_position'(144, 6, 0, 144), _636524)
   Exit: (187) [system] arg(3, '$stream_position'(144, 6, 0, 144), 0)
   Exit: (186) [$syspreds] stream_position_data(line_position, '$stream_position'(144, 6, 0, 144), 0)
   Call: (186) [$syspreds] stream_position_data(char_count, '$stream_position'(144, 6, 0, 144), _636526)
   Call: (187) [system] nonvar(char_count)
   Exit: (187) [system] nonvar(char_count)
   Call: (187) [$syspreds] stream_position_field(char_count, _660684)
   Exit: (187) [$syspreds] stream_position_field(char_count, 1)
   Call: (187) [system] arg(1, '$stream_position'(144, 6, 0, 144), _636526)
   Exit: (187) [system] arg(1, '$stream_position'(144, 6, 0, 144), 144)
   Exit: (186) [$syspreds] stream_position_data(char_count, '$stream_position'(144, 6, 0, 144), 144)
^  Exit: (185) [user] read_position((0x563acd73bee0), 6, 0, 144, '$stream_position'(144, 6, 0, 144))
   Call: (185) [read_util] read_util:read_line_to_string((0x563acd73bee0), _666278)
   Call: (186) [system] read_string((0x563acd73bee0), '\n', '\r', _667208, _667210)
   Exit: (186) [system] read_string((0x563acd73bee0), '\n', '\r', 10, ";;time mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (186) [system] 10\== -1
   Exit: (186) [system] 10\== -1
   Call: (186) [system] _666278=";;time mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta"
   Exit: (186) [system] ";;time mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta"=";;time mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta"
   Exit: (185) [read_util] read_util:read_line_to_string((0x563acd73bee0), ";;time mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Call: (185) [user] assertz(metta_file_comment(6, 0, 144, '$COMMENT'(";;time mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", 6, 0), '$stream_position'(144, 6, 0, 144)))
^  Exit: (185) [user] assertz(metta_file_comment(6, 0, 144, '$COMMENT'(";;time mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", 6, 0), '$stream_position'(144, 6, 0, 144)))
^  Exit: (184) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _677488)
   Exit: (185) [system] peek_char((0x563acd73bee0), ;)
   Call: (185) [system] (;)=(;)
   Exit: (185) [system] (;)=(;)
^  Call: (185) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (186) [user] read_position((0x563acd73bee0), _682126, _682128, _682130, _682132)
   Call: (187) [system] stream_property((0x563acd73bee0), position(_682132))
   Call: (188) [system] nonvar((0x563acd73bee0))
   Exit: (188) [system] nonvar((0x563acd73bee0))
   Call: (188) [system] nonvar(position(_682132))
   Exit: (188) [system] nonvar(position(_682132))
   Exit: (187) [system] stream_property((0x563acd73bee0), position('$stream_position'(233, 7, 0, 233)))
   Call: (187) [$syspreds] stream_position_data(line_count, '$stream_position'(233, 7, 0, 233), _682126)
   Call: (188) [system] nonvar(line_count)
   Exit: (188) [system] nonvar(line_count)
   Call: (188) [$syspreds] stream_position_field(line_count, _691420)
   Exit: (188) [$syspreds] stream_position_field(line_count, 2)
   Call: (188) [system] arg(2, '$stream_position'(233, 7, 0, 233), _682126)
   Exit: (188) [system] arg(2, '$stream_position'(233, 7, 0, 233), 7)
   Exit: (187) [$syspreds] stream_position_data(line_count, '$stream_position'(233, 7, 0, 233), 7)
   Call: (187) [$syspreds] stream_position_data(line_position, '$stream_position'(233, 7, 0, 233), _682128)
   Call: (188) [system] nonvar(line_position)
   Exit: (188) [system] nonvar(line_position)
   Call: (188) [$syspreds] stream_position_field(line_position, _698854)
   Exit: (188) [$syspreds] stream_position_field(line_position, 3)
   Call: (188) [system] arg(3, '$stream_position'(233, 7, 0, 233), _682128)
   Exit: (188) [system] arg(3, '$stream_position'(233, 7, 0, 233), 0)
   Exit: (187) [$syspreds] stream_position_data(line_position, '$stream_position'(233, 7, 0, 233), 0)
   Call: (187) [$syspreds] stream_position_data(char_count, '$stream_position'(233, 7, 0, 233), _682130)
   Call: (188) [system] nonvar(char_count)
   Exit: (188) [system] nonvar(char_count)
   Call: (188) [$syspreds] stream_position_field(char_count, _706288)
   Exit: (188) [$syspreds] stream_position_field(char_count, 1)
   Call: (188) [system] arg(1, '$stream_position'(233, 7, 0, 233), _682130)
   Exit: (188) [system] arg(1, '$stream_position'(233, 7, 0, 233), 233)
   Exit: (187) [$syspreds] stream_position_data(char_count, '$stream_position'(233, 7, 0, 233), 233)
^  Exit: (186) [user] read_position((0x563acd73bee0), 7, 0, 233, '$stream_position'(233, 7, 0, 233))
   Call: (186) [read_util] read_util:read_line_to_string((0x563acd73bee0), _711882)
   Call: (187) [system] read_string((0x563acd73bee0), '\n', '\r', _712812, _712814)
   Exit: (187) [system] read_string((0x563acd73bee0), '\n', '\r', 10, ";;real    1m1.667s")
   Call: (187) [system] 10\== -1
   Exit: (187) [system] 10\== -1
   Call: (187) [system] _711882=";;real    1m1.667s"
   Exit: (187) [system] ";;real    1m1.667s"=";;real    1m1.667s"
   Exit: (186) [read_util] read_util:read_line_to_string((0x563acd73bee0), ";;real    1m1.667s")
^  Call: (186) [user] assertz(metta_file_comment(7, 0, 233, '$COMMENT'(";;real    1m1.667s", 7, 0), '$stream_position'(233, 7, 0, 233)))
^  Exit: (186) [user] assertz(metta_file_comment(7, 0, 233, '$COMMENT'(";;real    1m1.667s", 7, 0), '$stream_position'(233, 7, 0, 233)))
^  Exit: (185) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _723074)
   Exit: (186) [system] peek_char((0x563acd73bee0), ;)
   Call: (186) [system] (;)=(;)
   Exit: (186) [system] (;)=(;)
^  Call: (186) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (187) [user] read_position((0x563acd73bee0), _727712, _727714, _727716, _727718)
   Call: (188) [system] stream_property((0x563acd73bee0), position(_727718))
   Call: (189) [system] nonvar((0x563acd73bee0))
   Exit: (189) [system] nonvar((0x563acd73bee0))
   Call: (189) [system] nonvar(position(_727718))
   Exit: (189) [system] nonvar(position(_727718))
   Exit: (188) [system] stream_property((0x563acd73bee0), position('$stream_position'(252, 8, 0, 252)))
   Call: (188) [$syspreds] stream_position_data(line_count, '$stream_position'(252, 8, 0, 252), _727712)
   Call: (189) [system] nonvar(line_count)
   Exit: (189) [system] nonvar(line_count)
   Call: (189) [$syspreds] stream_position_field(line_count, _737006)
   Exit: (189) [$syspreds] stream_position_field(line_count, 2)
   Call: (189) [system] arg(2, '$stream_position'(252, 8, 0, 252), _727712)
   Exit: (189) [system] arg(2, '$stream_position'(252, 8, 0, 252), 8)
   Exit: (188) [$syspreds] stream_position_data(line_count, '$stream_position'(252, 8, 0, 252), 8)
   Call: (188) [$syspreds] stream_position_data(line_position, '$stream_position'(252, 8, 0, 252), _727714)
   Call: (189) [system] nonvar(line_position)
   Exit: (189) [system] nonvar(line_position)
   Call: (189) [$syspreds] stream_position_field(line_position, _744440)
   Exit: (189) [$syspreds] stream_position_field(line_position, 3)
   Call: (189) [system] arg(3, '$stream_position'(252, 8, 0, 252), _727714)
   Exit: (189) [system] arg(3, '$stream_position'(252, 8, 0, 252), 0)
   Exit: (188) [$syspreds] stream_position_data(line_position, '$stream_position'(252, 8, 0, 252), 0)
   Call: (188) [$syspreds] stream_position_data(char_count, '$stream_position'(252, 8, 0, 252), _727716)
   Call: (189) [system] nonvar(char_count)
   Exit: (189) [system] nonvar(char_count)
   Call: (189) [$syspreds] stream_position_field(char_count, _751874)
   Exit: (189) [$syspreds] stream_position_field(char_count, 1)
   Call: (189) [system] arg(1, '$stream_position'(252, 8, 0, 252), _727716)
   Exit: (189) [system] arg(1, '$stream_position'(252, 8, 0, 252), 252)
   Exit: (188) [$syspreds] stream_position_data(char_count, '$stream_position'(252, 8, 0, 252), 252)
^  Exit: (187) [user] read_position((0x563acd73bee0), 8, 0, 252, '$stream_position'(252, 8, 0, 252))
   Call: (187) [read_util] read_util:read_line_to_string((0x563acd73bee0), _757468)
   Call: (188) [system] read_string((0x563acd73bee0), '\n', '\r', _758398, _758400)
   Exit: (188) [system] read_string((0x563acd73bee0), '\n', '\r', 10, ";;user    1m1.635s")
   Call: (188) [system] 10\== -1
   Exit: (188) [system] 10\== -1
   Call: (188) [system] _757468=";;user    1m1.635s"
   Exit: (188) [system] ";;user    1m1.635s"=";;user    1m1.635s"
   Exit: (187) [read_util] read_util:read_line_to_string((0x563acd73bee0), ";;user    1m1.635s")
^  Call: (187) [user] assertz(metta_file_comment(8, 0, 252, '$COMMENT'(";;user    1m1.635s", 8, 0), '$stream_position'(252, 8, 0, 252)))
^  Exit: (187) [user] assertz(metta_file_comment(8, 0, 252, '$COMMENT'(";;user    1m1.635s", 8, 0), '$stream_position'(252, 8, 0, 252)))
^  Exit: (186) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _768660)
   Exit: (187) [system] peek_char((0x563acd73bee0), ;)
   Call: (187) [system] (;)=(;)
   Exit: (187) [system] (;)=(;)
^  Call: (187) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (188) [user] read_position((0x563acd73bee0), _773298, _773300, _773302, _773304)
   Call: (189) [system] stream_property((0x563acd73bee0), position(_773304))
   Call: (190) [system] nonvar((0x563acd73bee0))
   Exit: (190) [system] nonvar((0x563acd73bee0))
   Call: (190) [system] nonvar(position(_773304))
   Exit: (190) [system] nonvar(position(_773304))
   Exit: (189) [system] stream_property((0x563acd73bee0), position('$stream_position'(271, 9, 0, 271)))
   Call: (189) [$syspreds] stream_position_data(line_count, '$stream_position'(271, 9, 0, 271), _773298)
   Call: (190) [system] nonvar(line_count)
   Exit: (190) [system] nonvar(line_count)
   Call: (190) [$syspreds] stream_position_field(line_count, _782592)
   Exit: (190) [$syspreds] stream_position_field(line_count, 2)
   Call: (190) [system] arg(2, '$stream_position'(271, 9, 0, 271), _773298)
   Exit: (190) [system] arg(2, '$stream_position'(271, 9, 0, 271), 9)
   Exit: (189) [$syspreds] stream_position_data(line_count, '$stream_position'(271, 9, 0, 271), 9)
   Call: (189) [$syspreds] stream_position_data(line_position, '$stream_position'(271, 9, 0, 271), _773300)
   Call: (190) [system] nonvar(line_position)
   Exit: (190) [system] nonvar(line_position)
   Call: (190) [$syspreds] stream_position_field(line_position, _790026)
   Exit: (190) [$syspreds] stream_position_field(line_position, 3)
   Call: (190) [system] arg(3, '$stream_position'(271, 9, 0, 271), _773300)
   Exit: (190) [system] arg(3, '$stream_position'(271, 9, 0, 271), 0)
   Exit: (189) [$syspreds] stream_position_data(line_position, '$stream_position'(271, 9, 0, 271), 0)
   Call: (189) [$syspreds] stream_position_data(char_count, '$stream_position'(271, 9, 0, 271), _773302)
   Call: (190) [system] nonvar(char_count)
   Exit: (190) [system] nonvar(char_count)
   Call: (190) [$syspreds] stream_position_field(char_count, _797460)
   Exit: (190) [$syspreds] stream_position_field(char_count, 1)
   Call: (190) [system] arg(1, '$stream_position'(271, 9, 0, 271), _773302)
   Exit: (190) [system] arg(1, '$stream_position'(271, 9, 0, 271), 271)
   Exit: (189) [$syspreds] stream_position_data(char_count, '$stream_position'(271, 9, 0, 271), 271)
^  Exit: (188) [user] read_position((0x563acd73bee0), 9, 0, 271, '$stream_position'(271, 9, 0, 271))
   Call: (188) [read_util] read_util:read_line_to_string((0x563acd73bee0), _803054)
   Call: (189) [system] read_string((0x563acd73bee0), '\n', '\r', _803984, _803986)
   Exit: (189) [system] read_string((0x563acd73bee0), '\n', '\r', 10, ";;sys     0m0.030s")
   Call: (189) [system] 10\== -1
   Exit: (189) [system] 10\== -1
   Call: (189) [system] _803054=";;sys     0m0.030s"
   Exit: (189) [system] ";;sys     0m0.030s"=";;sys     0m0.030s"
   Exit: (188) [read_util] read_util:read_line_to_string((0x563acd73bee0), ";;sys     0m0.030s")
^  Call: (188) [user] assertz(metta_file_comment(9, 0, 271, '$COMMENT'(";;sys     0m0.030s", 9, 0), '$stream_position'(271, 9, 0, 271)))
^  Exit: (188) [user] assertz(metta_file_comment(9, 0, 271, '$COMMENT'(";;sys     0m0.030s", 9, 0), '$stream_position'(271, 9, 0, 271)))
^  Exit: (187) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _814246)
   Exit: (188) [system] peek_char((0x563acd73bee0), '\n')
   Call: (188) [system] '\n'=(;)
   Fail: (188) [system] '\n'=(;)
   Call: (188) [system] '\n'=(/)
   Fail: (188) [system] '\n'=(/)
^  Call: (188) [user] is_like_space('\n')
   Call: (189) [system] char_type('\n', 'white')
   Fail: (189) [system] char_type('\n', 'white')
   Call: (189) [system] char_type('\n', end_of_line)
   Exit: (189) [system] char_type('\n', end_of_line)
^  Exit: (188) [user] is_like_space('\n')
   Call: (188) [system] get_char((0x563acd73bee0), _825696)
   Exit: (188) [system] get_char((0x563acd73bee0), '\n')
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _828400)
   Exit: (189) [system] peek_char((0x563acd73bee0), ;)
   Call: (189) [system] (;)=(;)
   Exit: (189) [system] (;)=(;)
^  Call: (189) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (190) [user] read_position((0x563acd73bee0), _833038, _833040, _833042, _833044)
   Call: (191) [system] stream_property((0x563acd73bee0), position(_833044))
   Call: (192) [system] nonvar((0x563acd73bee0))
   Exit: (192) [system] nonvar((0x563acd73bee0))
   Call: (192) [system] nonvar(position(_833044))
   Exit: (192) [system] nonvar(position(_833044))
   Exit: (191) [system] stream_property((0x563acd73bee0), position('$stream_position'(291, 11, 0, 291)))
   Call: (191) [$syspreds] stream_position_data(line_count, '$stream_position'(291, 11, 0, 291), _833038)
   Call: (192) [system] nonvar(line_count)
   Exit: (192) [system] nonvar(line_count)
   Call: (192) [$syspreds] stream_position_field(line_count, _842332)
   Exit: (192) [$syspreds] stream_position_field(line_count, 2)
   Call: (192) [system] arg(2, '$stream_position'(291, 11, 0, 291), _833038)
   Exit: (192) [system] arg(2, '$stream_position'(291, 11, 0, 291), 11)
   Exit: (191) [$syspreds] stream_position_data(line_count, '$stream_position'(291, 11, 0, 291), 11)
   Call: (191) [$syspreds] stream_position_data(line_position, '$stream_position'(291, 11, 0, 291), _833040)
   Call: (192) [system] nonvar(line_position)
   Exit: (192) [system] nonvar(line_position)
   Call: (192) [$syspreds] stream_position_field(line_position, _849766)
   Exit: (192) [$syspreds] stream_position_field(line_position, 3)
   Call: (192) [system] arg(3, '$stream_position'(291, 11, 0, 291), _833040)
   Exit: (192) [system] arg(3, '$stream_position'(291, 11, 0, 291), 0)
   Exit: (191) [$syspreds] stream_position_data(line_position, '$stream_position'(291, 11, 0, 291), 0)
   Call: (191) [$syspreds] stream_position_data(char_count, '$stream_position'(291, 11, 0, 291), _833042)
   Call: (192) [system] nonvar(char_count)
   Exit: (192) [system] nonvar(char_count)
   Call: (192) [$syspreds] stream_position_field(char_count, _857200)
   Exit: (192) [$syspreds] stream_position_field(char_count, 1)
   Call: (192) [system] arg(1, '$stream_position'(291, 11, 0, 291), _833042)
   Exit: (192) [system] arg(1, '$stream_position'(291, 11, 0, 291), 291)
   Exit: (191) [$syspreds] stream_position_data(char_count, '$stream_position'(291, 11, 0, 291), 291)
^  Exit: (190) [user] read_position((0x563acd73bee0), 11, 0, 291, '$stream_position'(291, 11, 0, 291))
   Call: (190) [read_util] read_util:read_line_to_string((0x563acd73bee0), _862794)
   Call: (191) [system] read_string((0x563acd73bee0), '\n', '\r', _863724, _863726)
   Exit: (191) [system] read_string((0x563acd73bee0), '\n', '\r', 10, ";; Import modules")
   Call: (191) [system] 10\== -1
   Exit: (191) [system] 10\== -1
   Call: (191) [system] _862794=";; Import modules"
   Exit: (191) [system] ";; Import modules"=";; Import modules"
   Exit: (190) [read_util] read_util:read_line_to_string((0x563acd73bee0), ";; Import modules")
^  Call: (190) [user] assertz(metta_file_comment(11, 0, 291, '$COMMENT'(";; Import modules", 11, 0), '$stream_position'(291, 11, 0, 291)))
^  Exit: (190) [user] assertz(metta_file_comment(11, 0, 291, '$COMMENT'(";; Import modules", 11, 0), '$stream_position'(291, 11, 0, 291)))
^  Exit: (189) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _873986)
   Exit: (190) [system] peek_char((0x563acd73bee0), '\n')
   Call: (190) [system] '\n'=(;)
   Fail: (190) [system] '\n'=(;)
   Call: (190) [system] '\n'=(/)
   Fail: (190) [system] '\n'=(/)
^  Call: (190) [user] is_like_space('\n')
   Call: (191) [system] char_type('\n', 'white')
   Fail: (191) [system] char_type('\n', 'white')
   Call: (191) [system] char_type('\n', end_of_line)
   Exit: (191) [system] char_type('\n', end_of_line)
^  Exit: (190) [user] is_like_space('\n')
   Call: (190) [system] get_char((0x563acd73bee0), _885436)
   Exit: (190) [system] get_char((0x563acd73bee0), '\n')
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _888140)
   Exit: (191) [system] peek_char((0x563acd73bee0), ;)
   Call: (191) [system] (;)=(;)
   Exit: (191) [system] (;)=(;)
^  Call: (191) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (192) [user] read_position((0x563acd73bee0), _892778, _892780, _892782, _892784)
   Call: (193) [system] stream_property((0x563acd73bee0), position(_892784))
   Call: (194) [system] nonvar((0x563acd73bee0))
   Exit: (194) [system] nonvar((0x563acd73bee0))
   Call: (194) [system] nonvar(position(_892784))
   Exit: (194) [system] nonvar(position(_892784))
   Exit: (193) [system] stream_property((0x563acd73bee0), position('$stream_position'(310, 13, 0, 310)))
   Call: (193) [$syspreds] stream_position_data(line_count, '$stream_position'(310, 13, 0, 310), _892778)
   Call: (194) [system] nonvar(line_count)
   Exit: (194) [system] nonvar(line_count)
   Call: (194) [$syspreds] stream_position_field(line_count, _902072)
   Exit: (194) [$syspreds] stream_position_field(line_count, 2)
   Call: (194) [system] arg(2, '$stream_position'(310, 13, 0, 310), _892778)
   Exit: (194) [system] arg(2, '$stream_position'(310, 13, 0, 310), 13)
   Exit: (193) [$syspreds] stream_position_data(line_count, '$stream_position'(310, 13, 0, 310), 13)
   Call: (193) [$syspreds] stream_position_data(line_position, '$stream_position'(310, 13, 0, 310), _892780)
   Call: (194) [system] nonvar(line_position)
   Exit: (194) [system] nonvar(line_position)
   Call: (194) [$syspreds] stream_position_field(line_position, _909506)
   Exit: (194) [$syspreds] stream_position_field(line_position, 3)
   Call: (194) [system] arg(3, '$stream_position'(310, 13, 0, 310), _892780)
   Exit: (194) [system] arg(3, '$stream_position'(310, 13, 0, 310), 0)
   Exit: (193) [$syspreds] stream_position_data(line_position, '$stream_position'(310, 13, 0, 310), 0)
   Call: (193) [$syspreds] stream_position_data(char_count, '$stream_position'(310, 13, 0, 310), _892782)
   Call: (194) [system] nonvar(char_count)
   Exit: (194) [system] nonvar(char_count)
   Call: (194) [$syspreds] stream_position_field(char_count, _916940)
   Exit: (194) [$syspreds] stream_position_field(char_count, 1)
   Call: (194) [system] arg(1, '$stream_position'(310, 13, 0, 310), _892782)
   Exit: (194) [system] arg(1, '$stream_position'(310, 13, 0, 310), 310)
   Exit: (193) [$syspreds] stream_position_data(char_count, '$stream_position'(310, 13, 0, 310), 310)
^  Exit: (192) [user] read_position((0x563acd73bee0), 13, 0, 310, '$stream_position'(310, 13, 0, 310))
   Call: (192) [read_util] read_util:read_line_to_string((0x563acd73bee0), _922534)
   Call: (193) [system] read_string((0x563acd73bee0), '\n', '\r', _923464, _923466)
   Exit: (193) [system] read_string((0x563acd73bee0), '\n', '\r', 10, ";; Define Nat")
   Call: (193) [system] 10\== -1
   Exit: (193) [system] 10\== -1
   Call: (193) [system] _922534=";; Define Nat"
   Exit: (193) [system] ";; Define Nat"=";; Define Nat"
   Exit: (192) [read_util] read_util:read_line_to_string((0x563acd73bee0), ";; Define Nat")
^  Call: (192) [user] assertz(metta_file_comment(13, 0, 310, '$COMMENT'(";; Define Nat", 13, 0), '$stream_position'(310, 13, 0, 310)))
^  Exit: (192) [user] assertz(metta_file_comment(13, 0, 310, '$COMMENT'(";; Define Nat", 13, 0), '$stream_position'(310, 13, 0, 310)))
^  Exit: (191) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _933724)
   Exit: (192) [system] peek_char((0x563acd73bee0), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
   Call: (192) [system] '('=(/)
   Fail: (192) [system] '('=(/)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
^  Exit: (183) [user] skip_spaces((0x563acd73bee0))
^  Exit: (182) [user] skip_spaces((0x563acd73bee0))
^  Exit: (181) [user] skip_spaces((0x563acd73bee0))
^  Exit: (180) [user] skip_spaces((0x563acd73bee0))
^  Exit: (179) [user] skip_spaces((0x563acd73bee0))
^  Exit: (178) [user] skip_spaces((0x563acd73bee0))
   Call: (178) [system] get_char((0x563acd73bee0), _961746)
   Exit: (178) [system] get_char((0x563acd73bee0), '(')
   Call: (178) [system] '('='('
   Exit: (178) [system] '('='('
^  Call: (178) [user] read_list(')', (0x563acd73bee0), _400036)
^  Call: (179) [user] skip_spaces((0x563acd73bee0))
   Call: (180) [system] peek_char((0x563acd73bee0), _967316)
   Exit: (180) [system] peek_char((0x563acd73bee0), :)
   Call: (180) [system] (:)=(;)
   Fail: (180) [system] (:)=(;)
   Call: (180) [system] (:)=(/)
   Fail: (180) [system] (:)=(/)
^  Call: (180) [user] is_like_space(:)
   Call: (181) [system] char_type(:, 'white')
   Fail: (181) [system] char_type(:, 'white')
   Call: (181) [system] char_type(:, end_of_line)
   Fail: (181) [system] char_type(:, end_of_line)
   Call: (181) [system] char_type(:, space)
   Fail: (181) [system] char_type(:, space)
   Call: (181) [system] char_type(:, cntrl)
   Fail: (181) [system] char_type(:, cntrl)
^  Fail: (180) [user] is_like_space(:)
^  Exit: (179) [user] skip_spaces((0x563acd73bee0))
   Call: (179) [system] peek_char((0x563acd73bee0), _983326)
   Exit: (179) [system] peek_char((0x563acd73bee0), :)
   Call: (179) [system] (:)=')'
   Fail: (179) [system] (:)=')'
   Call: (179) [system] (:)=end_of_file
   Fail: (179) [system] (:)=end_of_file
^  Call: (179) [user] cont_sexpr(')', (0x563acd73bee0), _988896)
^  Call: (180) [user] skip_spaces((0x563acd73bee0))
   Call: (181) [system] peek_char((0x563acd73bee0), _990754)
   Exit: (181) [system] peek_char((0x563acd73bee0), :)
   Call: (181) [system] (:)=(;)
   Fail: (181) [system] (:)=(;)
   Call: (181) [system] (:)=(/)
   Fail: (181) [system] (:)=(/)
^  Call: (181) [user] is_like_space(:)
   Call: (182) [system] char_type(:, 'white')
   Fail: (182) [system] char_type(:, 'white')
   Call: (182) [system] char_type(:, end_of_line)
   Fail: (182) [system] char_type(:, end_of_line)
   Call: (182) [system] char_type(:, space)
   Fail: (182) [system] char_type(:, space)
   Call: (182) [system] char_type(:, cntrl)
   Fail: (182) [system] char_type(:, cntrl)
^  Fail: (181) [user] is_like_space(:)
^  Exit: (180) [user] skip_spaces((0x563acd73bee0))
   Call: (180) [system] get_char((0x563acd73bee0), _1006764)
   Exit: (180) [system] get_char((0x563acd73bee0), :)
   Call: (180) [system] (:)='('
   Fail: (180) [system] (:)='('
   Call: (180) [system] (:)='['
   Fail: (180) [system] (:)='['
   Call: (180) [system] (:)='{'
   Fail: (180) [system] (:)='{'
   Call: (180) [system] (:)='"'
   Fail: (180) [system] (:)='"'
   Call: (180) [system] (:)=!
   Fail: (180) [system] (:)=!
   Call: (180) [system] (:)='\''
   Fail: (180) [system] (:)='\''
   Call: (180) [system] (:)='`'
   Fail: (180) [system] (:)='`'
   Call: (180) [system] (:)=end_of_file
   Fail: (180) [system] (:)=end_of_file
^  Call: (180) [user] read_symbolic(')', (0x563acd73bee0), :, _988896)
^  Call: (181) [user] read_symbolic_cont(')', (0x563acd73bee0), _1024406)
   Call: (182) [system] peek_char((0x563acd73bee0), _1025340)
   Exit: (182) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (182) [user] is_delimiter(' ')
   Call: (183) [system] char_type(' ', space)
   Exit: (183) [system] char_type(' ', space)
^  Exit: (182) [user] is_delimiter(' ')
   Call: (182) [system] _1024406=[]
   Exit: (182) [system] []=[]
^  Exit: (181) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (181) [user] classify_and_convert_charseq([:], _988896)
^  Call: (182) [user] classify_and_convert_charseq_([:], _1034624)
^  Call: (184) [system] setup_call_cleanup('$notrace'(_1035576, _1035578), once(user:catch(read_from_chars([:], _1034624), _1035558, fail)), '$restore_trace'(_1035576, _1035578))
^  Call: (185) [system] sig_atomic(system:'$notrace'(_1035576, _1035578))
^  Exit: (184) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1035558, fail)), system:'$restore_trace'(3, -1))
   Call: (183) [system] atomic(:)
   Exit: (183) [system] atomic(:)
^  Exit: (182) [user] classify_and_convert_charseq_([:], :)
   Call: (182) [system] integer(:)
   Fail: (182) [system] integer(:)
   Call: (182) [system] _988896=(:)
   Exit: (182) [system] (:)=(:)
^  Exit: (181) [user] classify_and_convert_charseq([:], :)
^  Exit: (180) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (179) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (179) [user] read_list(')', (0x563acd73bee0), _1047704)
^  Call: (180) [user] skip_spaces((0x563acd73bee0))
   Call: (181) [system] peek_char((0x563acd73bee0), _1049562)
   Exit: (181) [system] peek_char((0x563acd73bee0), ' ')
   Call: (181) [system] ' '=(;)
   Fail: (181) [system] ' '=(;)
   Call: (181) [system] ' '=(/)
   Fail: (181) [system] ' '=(/)
^  Call: (181) [user] is_like_space(' ')
   Call: (182) [system] char_type(' ', 'white')
   Exit: (182) [system] char_type(' ', 'white')
^  Exit: (181) [user] is_like_space(' ')
   Call: (181) [system] get_char((0x563acd73bee0), _1059156)
   Exit: (181) [system] get_char((0x563acd73bee0), ' ')
^  Call: (181) [user] skip_spaces((0x563acd73bee0))
   Call: (182) [system] peek_char((0x563acd73bee0), _1061860)
   Exit: (182) [system] peek_char((0x563acd73bee0), 'N')
   Call: (182) [system] 'N'=(;)
   Fail: (182) [system] 'N'=(;)
   Call: (182) [system] 'N'=(/)
   Fail: (182) [system] 'N'=(/)
^  Call: (182) [user] is_like_space('N')
   Call: (183) [system] char_type('N', 'white')
   Fail: (183) [system] char_type('N', 'white')
   Call: (183) [system] char_type('N', end_of_line)
   Fail: (183) [system] char_type('N', end_of_line)
   Call: (183) [system] char_type('N', space)
   Fail: (183) [system] char_type('N', space)
   Call: (183) [system] char_type('N', cntrl)
   Fail: (183) [system] char_type('N', cntrl)
^  Fail: (182) [user] is_like_space('N')
^  Exit: (181) [user] skip_spaces((0x563acd73bee0))
^  Exit: (180) [user] skip_spaces((0x563acd73bee0))
   Call: (180) [system] peek_char((0x563acd73bee0), _1078794)
   Exit: (180) [system] peek_char((0x563acd73bee0), 'N')
   Call: (180) [system] 'N'=')'
   Fail: (180) [system] 'N'=')'
   Call: (180) [system] 'N'=end_of_file
   Fail: (180) [system] 'N'=end_of_file
^  Call: (180) [user] cont_sexpr(')', (0x563acd73bee0), _1084364)
^  Call: (181) [user] skip_spaces((0x563acd73bee0))
   Call: (182) [system] peek_char((0x563acd73bee0), _1086222)
   Exit: (182) [system] peek_char((0x563acd73bee0), 'N')
   Call: (182) [system] 'N'=(;)
   Fail: (182) [system] 'N'=(;)
   Call: (182) [system] 'N'=(/)
   Fail: (182) [system] 'N'=(/)
^  Call: (182) [user] is_like_space('N')
   Call: (183) [system] char_type('N', 'white')
   Fail: (183) [system] char_type('N', 'white')
   Call: (183) [system] char_type('N', end_of_line)
   Fail: (183) [system] char_type('N', end_of_line)
   Call: (183) [system] char_type('N', space)
   Fail: (183) [system] char_type('N', space)
   Call: (183) [system] char_type('N', cntrl)
   Fail: (183) [system] char_type('N', cntrl)
^  Fail: (182) [user] is_like_space('N')
^  Exit: (181) [user] skip_spaces((0x563acd73bee0))
   Call: (181) [system] get_char((0x563acd73bee0), _1102232)
   Exit: (181) [system] get_char((0x563acd73bee0), 'N')
   Call: (181) [system] 'N'='('
   Fail: (181) [system] 'N'='('
   Call: (181) [system] 'N'='['
   Fail: (181) [system] 'N'='['
   Call: (181) [system] 'N'='{'
   Fail: (181) [system] 'N'='{'
   Call: (181) [system] 'N'='"'
   Fail: (181) [system] 'N'='"'
   Call: (181) [system] 'N'=!
   Fail: (181) [system] 'N'=!
   Call: (181) [system] 'N'='\''
   Fail: (181) [system] 'N'='\''
   Call: (181) [system] 'N'='`'
   Fail: (181) [system] 'N'='`'
   Call: (181) [system] 'N'=end_of_file
   Fail: (181) [system] 'N'=end_of_file
^  Call: (181) [user] read_symbolic(')', (0x563acd73bee0), 'N', _1084364)
^  Call: (182) [user] read_symbolic_cont(')', (0x563acd73bee0), _1119874)
   Call: (183) [system] peek_char((0x563acd73bee0), _1120808)
   Exit: (183) [system] peek_char((0x563acd73bee0), a)
^  Call: (183) [user] is_delimiter(a)
   Call: (184) [system] char_type(a, space)
   Fail: (184) [system] char_type(a, space)
   Call: (184) [system] arg(_1125528, v('(', ')', end_of_file), a)
   Fail: (184) [system] arg(_1126460, v('(', ')', end_of_file), a)
^  Fail: (183) [user] is_delimiter(a)
   Call: (183) [system] ')'==a
   Fail: (183) [system] ')'==a
   Call: (183) [system] get_char((0x563acd73bee0), a)
   Exit: (183) [system] get_char((0x563acd73bee0), a)
   Call: (183) [system] a=(\)
   Fail: (183) [system] a=(\)
^  Call: (183) [user] read_symbolic_cont(')', (0x563acd73bee0), _1133810)
   Call: (184) [system] peek_char((0x563acd73bee0), _1134744)
   Exit: (184) [system] peek_char((0x563acd73bee0), t)
^  Call: (184) [user] is_delimiter(t)
   Call: (185) [system] char_type(t, space)
   Fail: (185) [system] char_type(t, space)
   Call: (185) [system] arg(_1139464, v('(', ')', end_of_file), t)
   Fail: (185) [system] arg(_1140396, v('(', ')', end_of_file), t)
^  Fail: (184) [user] is_delimiter(t)
   Call: (184) [system] ')'==t
   Fail: (184) [system] ')'==t
   Call: (184) [system] get_char((0x563acd73bee0), t)
   Exit: (184) [system] get_char((0x563acd73bee0), t)
   Call: (184) [system] t=(\)
   Fail: (184) [system] t=(\)
^  Call: (184) [user] read_symbolic_cont(')', (0x563acd73bee0), _1147746)
   Call: (185) [system] peek_char((0x563acd73bee0), _1148680)
   Exit: (185) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _1147746=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (184) [system] _1133810=[t]
   Exit: (184) [system] [t]=[t]
^  Exit: (183) [user] read_symbolic_cont(')', (0x563acd73bee0), [t])
   Call: (183) [system] _1119874=[a, t]
   Exit: (183) [system] [a, t]=[a, t]
^  Exit: (182) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t])
^  Call: (182) [user] classify_and_convert_charseq(['N', a, t], _1084364)
^  Call: (183) [user] classify_and_convert_charseq_(['N', a, t], _1163552)
^  Call: (185) [system] setup_call_cleanup('$notrace'(_1164504, _1164506), once(user:catch(read_from_chars(['N', a, t], _1163552), _1164486, fail)), '$restore_trace'(_1164504, _1164506))
^  Call: (186) [system] sig_atomic(system:'$notrace'(_1164504, _1164506))
^  Exit: (185) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['N', a, t], _1163552), _1164486, fail)), system:'$restore_trace'(3, -1))
   Call: (184) [system] atomic(_1163552)
   Fail: (184) [system] atomic(_1163552)
   Call: (184) [system] atom_chars(_1163552, ['N', a, t])
   Exit: (184) [system] atom_chars('Nat', ['N', a, t])
^  Exit: (183) [user] classify_and_convert_charseq_(['N', a, t], 'Nat')
   Call: (183) [system] integer('Nat')
   Fail: (183) [system] integer('Nat')
   Call: (183) [system] _1084364='Nat'
   Exit: (183) [system] 'Nat'='Nat'
^  Exit: (182) [user] classify_and_convert_charseq(['N', a, t], 'Nat')
^  Exit: (181) [user] read_symbolic(')', (0x563acd73bee0), 'N', 'Nat')
^  Exit: (180) [user] cont_sexpr(')', (0x563acd73bee0), 'Nat')
^  Call: (180) [user] read_list(')', (0x563acd73bee0), _1178502)
^  Call: (181) [user] skip_spaces((0x563acd73bee0))
   Call: (182) [system] peek_char((0x563acd73bee0), _1180360)
   Exit: (182) [system] peek_char((0x563acd73bee0), ' ')
   Call: (182) [system] ' '=(;)
   Fail: (182) [system] ' '=(;)
   Call: (182) [system] ' '=(/)
   Fail: (182) [system] ' '=(/)
^  Call: (182) [user] is_like_space(' ')
   Call: (183) [system] char_type(' ', 'white')
   Exit: (183) [system] char_type(' ', 'white')
^  Exit: (182) [user] is_like_space(' ')
   Call: (182) [system] get_char((0x563acd73bee0), _1189954)
   Exit: (182) [system] get_char((0x563acd73bee0), ' ')
^  Call: (182) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] peek_char((0x563acd73bee0), _1192658)
   Exit: (183) [system] peek_char((0x563acd73bee0), 'T')
   Call: (183) [system] 'T'=(;)
   Fail: (183) [system] 'T'=(;)
   Call: (183) [system] 'T'=(/)
   Fail: (183) [system] 'T'=(/)
^  Call: (183) [user] is_like_space('T')
   Call: (184) [system] char_type('T', 'white')
   Fail: (184) [system] char_type('T', 'white')
   Call: (184) [system] char_type('T', end_of_line)
   Fail: (184) [system] char_type('T', end_of_line)
   Call: (184) [system] char_type('T', space)
   Fail: (184) [system] char_type('T', space)
   Call: (184) [system] char_type('T', cntrl)
   Fail: (184) [system] char_type('T', cntrl)
^  Fail: (183) [user] is_like_space('T')
^  Exit: (182) [user] skip_spaces((0x563acd73bee0))
^  Exit: (181) [user] skip_spaces((0x563acd73bee0))
   Call: (181) [system] peek_char((0x563acd73bee0), _1209592)
   Exit: (181) [system] peek_char((0x563acd73bee0), 'T')
   Call: (181) [system] 'T'=')'
   Fail: (181) [system] 'T'=')'
   Call: (181) [system] 'T'=end_of_file
   Fail: (181) [system] 'T'=end_of_file
^  Call: (181) [user] cont_sexpr(')', (0x563acd73bee0), _1215162)
^  Call: (182) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] peek_char((0x563acd73bee0), _1217020)
   Exit: (183) [system] peek_char((0x563acd73bee0), 'T')
   Call: (183) [system] 'T'=(;)
   Fail: (183) [system] 'T'=(;)
   Call: (183) [system] 'T'=(/)
   Fail: (183) [system] 'T'=(/)
^  Call: (183) [user] is_like_space('T')
   Call: (184) [system] char_type('T', 'white')
   Fail: (184) [system] char_type('T', 'white')
   Call: (184) [system] char_type('T', end_of_line)
   Fail: (184) [system] char_type('T', end_of_line)
   Call: (184) [system] char_type('T', space)
   Fail: (184) [system] char_type('T', space)
   Call: (184) [system] char_type('T', cntrl)
   Fail: (184) [system] char_type('T', cntrl)
^  Fail: (183) [user] is_like_space('T')
^  Exit: (182) [user] skip_spaces((0x563acd73bee0))
   Call: (182) [system] get_char((0x563acd73bee0), _1233030)
   Exit: (182) [system] get_char((0x563acd73bee0), 'T')
   Call: (182) [system] 'T'='('
   Fail: (182) [system] 'T'='('
   Call: (182) [system] 'T'='['
   Fail: (182) [system] 'T'='['
   Call: (182) [system] 'T'='{'
   Fail: (182) [system] 'T'='{'
   Call: (182) [system] 'T'='"'
   Fail: (182) [system] 'T'='"'
   Call: (182) [system] 'T'=!
   Fail: (182) [system] 'T'=!
   Call: (182) [system] 'T'='\''
   Fail: (182) [system] 'T'='\''
   Call: (182) [system] 'T'='`'
   Fail: (182) [system] 'T'='`'
   Call: (182) [system] 'T'=end_of_file
   Fail: (182) [system] 'T'=end_of_file
^  Call: (182) [user] read_symbolic(')', (0x563acd73bee0), 'T', _1215162)
^  Call: (183) [user] read_symbolic_cont(')', (0x563acd73bee0), _1250672)
   Call: (184) [system] peek_char((0x563acd73bee0), _1251606)
   Exit: (184) [system] peek_char((0x563acd73bee0), y)
^  Call: (184) [user] is_delimiter(y)
   Call: (185) [system] char_type(y, space)
   Fail: (185) [system] char_type(y, space)
   Call: (185) [system] arg(_1256326, v('(', ')', end_of_file), y)
   Fail: (185) [system] arg(_1257258, v('(', ')', end_of_file), y)
^  Fail: (184) [user] is_delimiter(y)
   Call: (184) [system] ')'==y
   Fail: (184) [system] ')'==y
   Call: (184) [system] get_char((0x563acd73bee0), y)
   Exit: (184) [system] get_char((0x563acd73bee0), y)
   Call: (184) [system] y=(\)
   Fail: (184) [system] y=(\)
^  Call: (184) [user] read_symbolic_cont(')', (0x563acd73bee0), _1264608)
   Call: (185) [system] peek_char((0x563acd73bee0), _1265542)
   Exit: (185) [system] peek_char((0x563acd73bee0), p)
^  Call: (185) [user] is_delimiter(p)
   Call: (186) [system] char_type(p, space)
   Fail: (186) [system] char_type(p, space)
   Call: (186) [system] arg(_1270262, v('(', ')', end_of_file), p)
   Fail: (186) [system] arg(_1271194, v('(', ')', end_of_file), p)
^  Fail: (185) [user] is_delimiter(p)
   Call: (185) [system] ')'==p
   Fail: (185) [system] ')'==p
   Call: (185) [system] get_char((0x563acd73bee0), p)
   Exit: (185) [system] get_char((0x563acd73bee0), p)
   Call: (185) [system] p=(\)
   Fail: (185) [system] p=(\)
^  Call: (185) [user] read_symbolic_cont(')', (0x563acd73bee0), _1278544)
   Call: (186) [system] peek_char((0x563acd73bee0), _1279478)
   Exit: (186) [system] peek_char((0x563acd73bee0), e)
^  Call: (186) [user] is_delimiter(e)
   Call: (187) [system] char_type(e, space)
   Fail: (187) [system] char_type(e, space)
   Call: (187) [system] arg(_1284198, v('(', ')', end_of_file), e)
   Fail: (187) [system] arg(_1285130, v('(', ')', end_of_file), e)
^  Fail: (186) [user] is_delimiter(e)
   Call: (186) [system] ')'==e
   Fail: (186) [system] ')'==e
   Call: (186) [system] get_char((0x563acd73bee0), e)
   Exit: (186) [system] get_char((0x563acd73bee0), e)
   Call: (186) [system] e=(\)
   Fail: (186) [system] e=(\)
^  Call: (186) [user] read_symbolic_cont(')', (0x563acd73bee0), _1292480)
   Call: (187) [system] peek_char((0x563acd73bee0), _1293414)
   Exit: (187) [system] peek_char((0x563acd73bee0), ')')
^  Call: (187) [user] is_delimiter(')')
   Call: (188) [system] char_type(')', space)
   Fail: (188) [system] char_type(')', space)
   Call: (188) [system] arg(_1298134, v('(', ')', end_of_file), ')')
   Exit: (188) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (187) [user] is_delimiter(')')
   Call: (187) [system] _1292480=[]
   Exit: (187) [system] []=[]
^  Exit: (186) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (186) [system] _1278544=[e]
   Exit: (186) [system] [e]=[e]
^  Exit: (185) [user] read_symbolic_cont(')', (0x563acd73bee0), [e])
   Call: (185) [system] _1264608=[p, e]
   Exit: (185) [system] [p, e]=[p, e]
^  Exit: (184) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, e])
   Call: (184) [system] _1250672=[y, p, e]
   Exit: (184) [system] [y, p, e]=[y, p, e]
^  Exit: (183) [user] read_symbolic_cont(')', (0x563acd73bee0), [y, p, e])
^  Call: (183) [user] classify_and_convert_charseq(['T', y, p, e], _1215162)
^  Call: (184) [user] classify_and_convert_charseq_(['T', y, p, e], _1312952)
^  Call: (186) [system] setup_call_cleanup('$notrace'(_1313904, _1313906), once(user:catch(read_from_chars(['T', y, p, e], _1312952), _1313886, fail)), '$restore_trace'(_1313904, _1313906))
^  Call: (187) [system] sig_atomic(system:'$notrace'(_1313904, _1313906))
^  Exit: (186) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['T', y, p, e], _1312952), _1313886, fail)), system:'$restore_trace'(3, -1))
   Call: (185) [system] atomic(_1312952)
   Fail: (185) [system] atomic(_1312952)
   Call: (185) [system] atom_chars(_1312952, ['T', y, p, e])
   Exit: (185) [system] atom_chars('Type', ['T', y, p, e])
^  Exit: (184) [user] classify_and_convert_charseq_(['T', y, p, e], 'Type')
   Call: (184) [system] integer('Type')
   Fail: (184) [system] integer('Type')
   Call: (184) [system] _1215162='Type'
   Exit: (184) [system] 'Type'='Type'
^  Exit: (183) [user] classify_and_convert_charseq(['T', y, p, e], 'Type')
^  Exit: (182) [user] read_symbolic(')', (0x563acd73bee0), 'T', 'Type')
^  Exit: (181) [user] cont_sexpr(')', (0x563acd73bee0), 'Type')
^  Call: (181) [user] read_list(')', (0x563acd73bee0), _1327902)
^  Call: (182) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] peek_char((0x563acd73bee0), _1329760)
   Exit: (183) [system] peek_char((0x563acd73bee0), ')')
   Call: (183) [system] ')'=(;)
   Fail: (183) [system] ')'=(;)
   Call: (183) [system] ')'=(/)
   Fail: (183) [system] ')'=(/)
^  Call: (183) [user] is_like_space(')')
   Call: (184) [system] char_type(')', 'white')
   Fail: (184) [system] char_type(')', 'white')
   Call: (184) [system] char_type(')', end_of_line)
   Fail: (184) [system] char_type(')', end_of_line)
   Call: (184) [system] char_type(')', space)
   Fail: (184) [system] char_type(')', space)
   Call: (184) [system] char_type(')', cntrl)
   Fail: (184) [system] char_type(')', cntrl)
^  Fail: (183) [user] is_like_space(')')
^  Exit: (182) [user] skip_spaces((0x563acd73bee0))
   Call: (182) [system] peek_char((0x563acd73bee0), _1345770)
   Exit: (182) [system] peek_char((0x563acd73bee0), ')')
   Call: (182) [system] ')'=')'
   Exit: (182) [system] ')'=')'
   Call: (182) [system] get_char((0x563acd73bee0), _1349560)
   Exit: (182) [system] get_char((0x563acd73bee0), ')')
   Call: (182) [system] _1327902=[]
   Exit: (182) [system] []=[]
^  Exit: (181) [user] read_list(')', (0x563acd73bee0), [])
   Call: (181) [system] _1178502=['Type']
   Exit: (181) [system] ['Type']=['Type']
^  Exit: (180) [user] read_list(')', (0x563acd73bee0), ['Type'])
   Call: (180) [system] _1047704=['Nat', 'Type']
   Exit: (180) [system] ['Nat', 'Type']=['Nat', 'Type']
^  Exit: (179) [user] read_list(')', (0x563acd73bee0), ['Nat', 'Type'])
   Call: (179) [system] _400036=[:, 'Nat', 'Type']
   Exit: (179) [system] [:, 'Nat', 'Type']=[:, 'Nat', 'Type']
^  Exit: (178) [user] read_list(')', (0x563acd73bee0), [:, 'Nat', 'Type'])
^  Exit: (177) [user] cont_sexpr(')', (0x563acd73bee0), [:, 'Nat', 'Type'])
^  Exit: (176) [user] read_sexpr((0x563acd73bee0), [:, 'Nat', 'Type'])
^  Call: (176) [user] assertz(metta_file_comment(1, 0, 0, [:, 'Nat', 'Type'], '$stream_position'(0, 1, 0, 0)))
^  Exit: (176) [user] assertz(metta_file_comment(1, 0, 0, [:, 'Nat', 'Type'], '$stream_position'(0, 1, 0, 0)))
^  Exit: (174) [system] once(user:(read_position((0x563acd73bee0), 1, 0, 0, '$stream_position'(0, 1, 0, 0)), read_sexpr((0x563acd73bee0), [:, 'Nat', 'Type']), assertz(metta_file_comment(1, 0, 0, [:, 'Nat', 'Type'], '$stream_position'(0, 1, 0, 0)))))
   Call: (174) [system] fail
^  Call: (174) [user] retract(metta_file_comment(_1368078, _1368080, _1368082, _1368084, _1368086))
^  Exit: (174) [user] retract(metta_file_comment(34, 0, 1024, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$stream_position'(1024, 34, 0, 1024)))
^  Call: (174) [user] trly(untyped_to_metta, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _374540)
^  Call: (175) [user] once(call(untyped_to_metta, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1370918))
^  Call: (176) [user] call(untyped_to_metta, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1370918)
^  Call: (177) [user] untyped_to_metta('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1370918)
^  Call: (178) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1373734))
^  Call: (179) [user] once(user:trly(mfix_vars1, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1373734))
^  Call: (180) [user] trly(mfix_vars1, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1373734)
^  Call: (181) [user] once(call(mfix_vars1, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1376534))
^  Call: (182) [user] call(mfix_vars1, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1376534)
^  Call: (183) [user] mfix_vars1('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1376534)
   Call: (184) [system] var('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
   Call: (184) [system] atom('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
   Call: (184) [system] '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)==true
   Call: (184) [system] '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)==false
   Call: (184) [system] '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)==[_1383054, _1383060]
   Call: (184) [system] is_list('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
   Call: (184) [system] string('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
   Call: (184) [system] compound('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
   Exit: (184) [system] compound('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
   Call: (184) [system] compound_name_arguments('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1387688, _1387690)
   Exit: (184) [system] compound_name_arguments('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT', [";; $kb: a nullary function to axiom", 34, 0])
   Call: (184) [system] '$COMMENT'\=='$VAR'
   Exit: (184) [system] '$COMMENT'\=='$VAR'
^  Call: (184) [user] apply:maplist(mfix_vars1, [";; $kb: a nullary function to axiom", 34, 0], _1391430)
   Call: (185) [apply] apply:maplist_([";; $kb: a nullary function to axiom", 34, 0], _1391430, user:mfix_vars1)
^  Call: (186) [user] mfix_vars1(";; $kb: a nullary function to axiom", _1393310)
   Call: (187) [system] var(";; $kb: a nullary function to axiom")
   Call: (187) [system] atom(";; $kb: a nullary function to axiom")
   Call: (187) [system] ";; $kb: a nullary function to axiom"==true
   Call: (187) [system] ";; $kb: a nullary function to axiom"==false
   Call: (187) [system] ";; $kb: a nullary function to axiom"==[_1397952, _1397958]
   Call: (187) [system] is_list(";; $kb: a nullary function to axiom")
   Call: (187) [system] string(";; $kb: a nullary function to axiom")
   Exit: (187) [system] string(";; $kb: a nullary function to axiom")
^  Call: (187) [user] string_to_syms
   Call: (188) [system] fail
   Call: (187) [system] compound(";; $kb: a nullary function to axiom")
^  Call: (187) [user] symbol(";; $kb: a nullary function to axiom")
   Call: (188) [system] atom(";; $kb: a nullary function to axiom")
   Fail: (188) [system] atom(";; $kb: a nullary function to axiom")
^  Fail: (187) [user] symbol(";; $kb: a nullary function to axiom")
   Call: (187) [system] ";; $kb: a nullary function to axiom"=_1393310
   Exit: (187) [system] ";; $kb: a nullary function to axiom"=";; $kb: a nullary function to axiom"
^  Exit: (186) [user] mfix_vars1(";; $kb: a nullary function to axiom", ";; $kb: a nullary function to axiom")
   Call: (186) [apply] apply:maplist_([34, 0], _1393312, user:mfix_vars1)
^  Call: (187) [user] mfix_vars1(34, _1411832)
   Call: (188) [system] var(34)
   Call: (188) [system] atom(34)
   Call: (188) [system] 34==true
   Call: (188) [system] 34==false
   Call: (188) [system] 34==[_1416474, _1416480]
   Call: (188) [system] is_list(34)
   Call: (188) [system] string(34)
   Call: (188) [system] compound(34)
^  Call: (188) [user] symbol(34)
   Call: (189) [system] atom(34)
   Fail: (189) [system] atom(34)
^  Fail: (188) [user] symbol(34)
   Call: (188) [system] 34=_1411832
   Exit: (188) [system] 34=34
^  Exit: (187) [user] mfix_vars1(34, 34)
   Call: (187) [apply] apply:maplist_([0], _1411834, user:mfix_vars1)
^  Call: (188) [user] mfix_vars1(0, _1427598)
   Call: (189) [system] var(0)
   Call: (189) [system] atom(0)
   Call: (189) [system] 0==true
   Call: (189) [system] 0==false
   Call: (189) [system] 0==[_1432240, _1432246]
   Call: (189) [system] is_list(0)
   Call: (189) [system] string(0)
   Call: (189) [system] compound(0)
^  Call: (189) [user] symbol(0)
   Call: (190) [system] atom(0)
   Fail: (190) [system] atom(0)
^  Fail: (189) [user] symbol(0)
   Call: (189) [system] 0=_1427598
   Exit: (189) [system] 0=0
^  Exit: (188) [user] mfix_vars1(0, 0)
   Call: (188) [apply] apply:maplist_([], _1427600, user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (187) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (186) [apply] apply:maplist_([34, 0], [34, 0], user:mfix_vars1)
   Exit: (185) [apply] apply:maplist_([";; $kb: a nullary function to axiom", 34, 0], [";; $kb: a nullary function to axiom", 34, 0], user:mfix_vars1)
^  Exit: (184) [apply] apply:maplist(user:mfix_vars1, [";; $kb: a nullary function to axiom", 34, 0], [";; $kb: a nullary function to axiom", 34, 0])
   Call: (184) [system] compound_name_arguments(_1376534, '$COMMENT', [";; $kb: a nullary function to axiom", 34, 0])
   Exit: (184) [system] compound_name_arguments('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT', [";; $kb: a nullary function to axiom", 34, 0])
^  Exit: (183) [user] mfix_vars1('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
^  Exit: (182) [system] call(user:mfix_vars1, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
^  Exit: (181) [system] once(user:call(mfix_vars1, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)))
   Call: (181) [system] '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)\=@='$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)
^  Exit: (180) [user] trly(mfix_vars1, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
^  Exit: (179) [system] once(user:trly(mfix_vars1, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)))
^  Exit: (178) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)))
^  Call: (178) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1456416))
^  Call: (179) [user] once(user:trly(cons_to_c, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1456416))
^  Call: (180) [user] trly(cons_to_c, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1456416)
^  Call: (181) [user] once(call(cons_to_c, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1459216))
^  Call: (182) [user] call(cons_to_c, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1459216)
^  Call: (183) [user] cons_to_c('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1459216)
^  Call: (184) [user] no_cons_reduce
^  Exit: (184) [user] no_cons_reduce
^  Exit: (183) [user] cons_to_c('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
^  Exit: (182) [system] call(user:cons_to_c, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
^  Exit: (181) [system] once(user:call(cons_to_c, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)))
   Call: (181) [system] '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)\=@='$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)
^  Exit: (180) [user] trly(cons_to_c, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
^  Exit: (179) [system] once(user:trly(cons_to_c, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)))
^  Exit: (178) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)))
^  Call: (178) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1370918))
^  Call: (179) [user] once(user:trly(cons_to_l, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1370918))
^  Call: (180) [user] trly(cons_to_l, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1370918)
^  Call: (181) [user] once(call(cons_to_l, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1473174))
^  Call: (182) [user] call(cons_to_l, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1473174)
^  Call: (183) [user] cons_to_l('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1473174)
^  Call: (184) [user] no_cons_reduce
^  Exit: (184) [user] no_cons_reduce
^  Exit: (183) [user] cons_to_l('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
^  Exit: (182) [system] call(user:cons_to_l, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
^  Exit: (181) [system] once(user:call(cons_to_l, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)))
   Call: (181) [system] '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)\=@='$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)
^  Exit: (180) [user] trly(cons_to_l, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
^  Exit: (179) [system] once(user:trly(cons_to_l, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)))
^  Exit: (178) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)))
^  Exit: (177) [user] untyped_to_metta('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
^  Exit: (176) [system] call(user:untyped_to_metta, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
^  Exit: (175) [system] once(user:call(untyped_to_metta, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)))
   Call: (175) [system] '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)\=@='$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)
^  Exit: (174) [user] trly(untyped_to_metta, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
^  Exit: (171) [user] read_sform((0x563acd73bee0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
^  Exit: (170) [system] once(user:read_sform((0x563acd73bee0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x563acd73bee0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)))
   Call: (169) [system] '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_374590), arg(1, t(1727204587.625688), _374604), _374614 is _374590-_374604, _374614>4), (nb_setarg(1, t(1727204587.625688), _374590), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)), 1]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _374702, _374702+1), write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), ynthesize_long_1727204587_629323, 1)))
^  Call: (171) [user] if_t((get_time(_374590), arg(1, t(1727204587.625688), _374604), _374614 is _374590-_374604, _374614>4), (nb_setarg(1, t(1727204587.625688), _374590), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)), 1]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_374590)
   Exit: (173) [system] get_time(1727204587.7937725)
   Call: (173) [system] arg(1, t(1727204587.625688), _374604)
   Exit: (173) [system] arg(1, t(1727204587.625688), 1727204587.625688)
   Call: (173) [system] _374614 is 1727204587.7937725-1727204587.625688
   Exit: (173) [system] 0.16808438301086426 is 1727204587.7937725-1727204587.625688
   Call: (173) [system] 0.16808438301086426>4
   Fail: (173) [system] 0.16808438301086426>4
^  Exit: (171) [user] if_t((get_time(_374590), arg(1, t(1727204587.625688), _374604), _374614 is _374590-_374604, _374614>4), (nb_setarg(1, t(1727204587.625688), _374590), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)), 1]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _374702, _374702+1)
   Call: (172) [system] _374702==_374702+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _374702, _374702+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _374702, _374702+1)
   Call: (175) [system] get_flag(translated_forms, _374702)
   Exit: (175) [system] get_flag(translated_forms, 0)
   Call: (175) [system] atom(0+1)
   Call: (175) [system] set_flag(translated_forms, 1)
   Exit: (175) [system] set_flag(translated_forms, 1)
   Exit: (174) [$syspreds] update_flag(translated_forms, 0, 0+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 0, 0+1))
   Exit: (171) [$syspreds] flag(translated_forms, 0, 0+1)
^  Call: (171) [user] write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), ynthesize_long_1727204587_629323, 1)
^  Call: (172) [user] format((0x563acd7397e0), "/* ~w */~n", [";; $kb: a nullary function to axiom"])
^  Exit: (172) [user] format((0x563acd7397e0), "/* ~w */~n", [";; $kb: a nullary function to axiom"])
^  Exit: (171) [user] write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), ynthesize_long_1727204587_629323, 1)
^  Exit: (169) [system] once(user:(if_t((get_time(_374590), arg(1, t(1727204587.625688), _374604), _374614 is _374590-_374604, _374614>4), (nb_setarg(1, t(1727204587.625688), _374590), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)), 1]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 0, 0+1), write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), ynthesize_long_1727204587_629323, 1)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x563acd73bee0))
   Fail: (169) [system] at_end_of_stream((0x563acd73bee0))
^  Call: (169) [user] must_det_ll(line_count((0x563acd73bee0), _374530))
^  Call: (170) [user] once(user:line_count((0x563acd73bee0), _374530))
   Call: (171) [system] line_count((0x563acd73bee0), _374530)
   Exit: (171) [system] line_count((0x563acd73bee0), 14)
^  Exit: (170) [system] once(user:line_count((0x563acd73bee0), 14))
^  Exit: (169) [user] must_det_ll(user:line_count((0x563acd73bee0), 14))
^  Call: (169) [user] must_det_ll(read_sform((0x563acd73bee0), _374540))
^  Call: (170) [user] once(user:read_sform((0x563acd73bee0), _374540))
^  Call: (171) [user] read_sform((0x563acd73bee0), _374540)
   Call: (172) [system] string((0x563acd73bee0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
   Call: (173) [system] string((0x563acd73bee0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), _374540)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), _374540)
   Call: (174) [system] at_end_of_stream((0x563acd73bee0))
   Call: (174) [system] peek_char((0x563acd73bee0), _1543340)
   Exit: (174) [system] peek_char((0x563acd73bee0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x563acd73bee0), '\n')
   Exit: (174) [system] get_char((0x563acd73bee0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x563acd73bee0), _374540)
   Call: (175) [system] at_end_of_stream((0x563acd73bee0))
   Call: (175) [system] peek_char((0x563acd73bee0), _1550762)
   Exit: (175) [system] peek_char((0x563acd73bee0), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
   Call: (176) [system] string((0x563acd73bee0))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), _374540)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), _374540)
   Call: (177) [system] at_end_of_stream((0x563acd73bee0))
   Call: (177) [system] peek_char((0x563acd73bee0), _1559100)
   Exit: (177) [system] peek_char((0x563acd73bee0), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _1561886=(0x563acd73bee0)
   Exit: (177) [system] (0x563acd73bee0)=(0x563acd73bee0)
^  Call: (177) [user] once((read_position((0x563acd73bee0), _1563754, _1563756, _1563758, _1563760), read_sexpr((0x563acd73bee0), _1563772), assertz(metta_file_comment(_1563754, _1563756, _1563758, _1563772, _1563760))))
^  Call: (179) [user] read_position((0x563acd73bee0), _1563754, _1563756, _1563758, _1563760)
   Call: (180) [system] stream_property((0x563acd73bee0), position(_1563760))
   Call: (181) [system] nonvar((0x563acd73bee0))
   Exit: (181) [system] nonvar((0x563acd73bee0))
   Call: (181) [system] nonvar(position(_1563760))
   Exit: (181) [system] nonvar(position(_1563760))
   Exit: (180) [system] stream_property((0x563acd73bee0), position('$stream_position'(337, 15, 0, 337)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(337, 15, 0, 337), _1563754)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _1574012)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(337, 15, 0, 337), _1563754)
   Exit: (181) [system] arg(2, '$stream_position'(337, 15, 0, 337), 15)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(337, 15, 0, 337), 15)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(337, 15, 0, 337), _1563756)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _1581446)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(337, 15, 0, 337), _1563756)
   Exit: (181) [system] arg(3, '$stream_position'(337, 15, 0, 337), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(337, 15, 0, 337), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(337, 15, 0, 337), _1563758)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _1588880)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(337, 15, 0, 337), _1563758)
   Exit: (181) [system] arg(1, '$stream_position'(337, 15, 0, 337), 337)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(337, 15, 0, 337), 337)
^  Exit: (179) [user] read_position((0x563acd73bee0), 15, 0, 337, '$stream_position'(337, 15, 0, 337))
^  Call: (179) [user] read_sexpr((0x563acd73bee0), _1563772)
   Call: (180) [system] string((0x563acd73bee0))
   Fail: (180) [system] string((0x563acd73bee0))
^  Call: (180) [user] cont_sexpr(')', (0x563acd73bee0), _1563772)
^  Call: (181) [user] skip_spaces((0x563acd73bee0))
   Call: (182) [system] peek_char((0x563acd73bee0), _1599106)
   Exit: (182) [system] peek_char((0x563acd73bee0), '(')
   Call: (182) [system] '('=(;)
   Fail: (182) [system] '('=(;)
   Call: (182) [system] '('=(/)
   Fail: (182) [system] '('=(/)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Fail: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Fail: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Fail: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
   Fail: (183) [system] char_type('(', cntrl)
^  Fail: (182) [user] is_like_space('(')
^  Exit: (181) [user] skip_spaces((0x563acd73bee0))
   Call: (181) [system] get_char((0x563acd73bee0), _1615116)
   Exit: (181) [system] get_char((0x563acd73bee0), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x563acd73bee0), _1563772)
^  Call: (182) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] peek_char((0x563acd73bee0), _1620686)
   Exit: (183) [system] peek_char((0x563acd73bee0), :)
   Call: (183) [system] (:)=(;)
   Fail: (183) [system] (:)=(;)
   Call: (183) [system] (:)=(/)
   Fail: (183) [system] (:)=(/)
^  Call: (183) [user] is_like_space(:)
   Call: (184) [system] char_type(:, 'white')
   Fail: (184) [system] char_type(:, 'white')
   Call: (184) [system] char_type(:, end_of_line)
   Fail: (184) [system] char_type(:, end_of_line)
   Call: (184) [system] char_type(:, space)
   Fail: (184) [system] char_type(:, space)
   Call: (184) [system] char_type(:, cntrl)
   Fail: (184) [system] char_type(:, cntrl)
^  Fail: (183) [user] is_like_space(:)
^  Exit: (182) [user] skip_spaces((0x563acd73bee0))
   Call: (182) [system] peek_char((0x563acd73bee0), _1636696)
   Exit: (182) [system] peek_char((0x563acd73bee0), :)
   Call: (182) [system] (:)=')'
   Fail: (182) [system] (:)=')'
   Call: (182) [system] (:)=end_of_file
   Fail: (182) [system] (:)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x563acd73bee0), _1642266)
^  Call: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _1644124)
   Exit: (184) [system] peek_char((0x563acd73bee0), :)
   Call: (184) [system] (:)=(;)
   Fail: (184) [system] (:)=(;)
   Call: (184) [system] (:)=(/)
   Fail: (184) [system] (:)=(/)
^  Call: (184) [user] is_like_space(:)
   Call: (185) [system] char_type(:, 'white')
   Fail: (185) [system] char_type(:, 'white')
   Call: (185) [system] char_type(:, end_of_line)
   Fail: (185) [system] char_type(:, end_of_line)
   Call: (185) [system] char_type(:, space)
   Fail: (185) [system] char_type(:, space)
   Call: (185) [system] char_type(:, cntrl)
   Fail: (185) [system] char_type(:, cntrl)
^  Fail: (184) [user] is_like_space(:)
^  Exit: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] get_char((0x563acd73bee0), _1660134)
   Exit: (183) [system] get_char((0x563acd73bee0), :)
   Call: (183) [system] (:)='('
   Fail: (183) [system] (:)='('
   Call: (183) [system] (:)='['
   Fail: (183) [system] (:)='['
   Call: (183) [system] (:)='{'
   Fail: (183) [system] (:)='{'
   Call: (183) [system] (:)='"'
   Fail: (183) [system] (:)='"'
   Call: (183) [system] (:)=!
   Fail: (183) [system] (:)=!
   Call: (183) [system] (:)='\''
   Fail: (183) [system] (:)='\''
   Call: (183) [system] (:)='`'
   Fail: (183) [system] (:)='`'
   Call: (183) [system] (:)=end_of_file
   Fail: (183) [system] (:)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x563acd73bee0), :, _1642266)
^  Call: (184) [user] read_symbolic_cont(')', (0x563acd73bee0), _1677776)
   Call: (185) [system] peek_char((0x563acd73bee0), _1678710)
   Exit: (185) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _1677776=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (184) [user] classify_and_convert_charseq([:], _1642266)
^  Call: (185) [user] classify_and_convert_charseq_([:], _1687994)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_1688946, _1688948), once(user:catch(read_from_chars([:], _1687994), _1688928, fail)), '$restore_trace'(_1688946, _1688948))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_1688946, _1688948))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1688928, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(:)
   Exit: (186) [system] atomic(:)
^  Exit: (185) [user] classify_and_convert_charseq_([:], :)
   Call: (185) [system] integer(:)
   Fail: (185) [system] integer(:)
   Call: (185) [system] _1642266=(:)
   Exit: (185) [system] (:)=(:)
^  Exit: (184) [user] classify_and_convert_charseq([:], :)
^  Exit: (183) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (182) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (182) [user] read_list(')', (0x563acd73bee0), _1701074)
^  Call: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _1702932)
   Exit: (184) [system] peek_char((0x563acd73bee0), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
   Call: (184) [system] ' '=(/)
   Fail: (184) [system] ' '=(/)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x563acd73bee0), _1712526)
   Exit: (184) [system] get_char((0x563acd73bee0), ' ')
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _1715230)
   Exit: (185) [system] peek_char((0x563acd73bee0), 'Z')
   Call: (185) [system] 'Z'=(;)
   Fail: (185) [system] 'Z'=(;)
   Call: (185) [system] 'Z'=(/)
   Fail: (185) [system] 'Z'=(/)
^  Call: (185) [user] is_like_space('Z')
   Call: (186) [system] char_type('Z', 'white')
   Fail: (186) [system] char_type('Z', 'white')
   Call: (186) [system] char_type('Z', end_of_line)
   Fail: (186) [system] char_type('Z', end_of_line)
   Call: (186) [system] char_type('Z', space)
   Fail: (186) [system] char_type('Z', space)
   Call: (186) [system] char_type('Z', cntrl)
   Fail: (186) [system] char_type('Z', cntrl)
^  Fail: (185) [user] is_like_space('Z')
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
^  Exit: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] peek_char((0x563acd73bee0), _1732164)
   Exit: (183) [system] peek_char((0x563acd73bee0), 'Z')
   Call: (183) [system] 'Z'=')'
   Fail: (183) [system] 'Z'=')'
   Call: (183) [system] 'Z'=end_of_file
   Fail: (183) [system] 'Z'=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x563acd73bee0), _1737734)
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _1739592)
   Exit: (185) [system] peek_char((0x563acd73bee0), 'Z')
   Call: (185) [system] 'Z'=(;)
   Fail: (185) [system] 'Z'=(;)
   Call: (185) [system] 'Z'=(/)
   Fail: (185) [system] 'Z'=(/)
^  Call: (185) [user] is_like_space('Z')
   Call: (186) [system] char_type('Z', 'white')
   Fail: (186) [system] char_type('Z', 'white')
   Call: (186) [system] char_type('Z', end_of_line)
   Fail: (186) [system] char_type('Z', end_of_line)
   Call: (186) [system] char_type('Z', space)
   Fail: (186) [system] char_type('Z', space)
   Call: (186) [system] char_type('Z', cntrl)
   Fail: (186) [system] char_type('Z', cntrl)
^  Fail: (185) [user] is_like_space('Z')
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] get_char((0x563acd73bee0), _1755602)
   Exit: (184) [system] get_char((0x563acd73bee0), 'Z')
   Call: (184) [system] 'Z'='('
   Fail: (184) [system] 'Z'='('
   Call: (184) [system] 'Z'='['
   Fail: (184) [system] 'Z'='['
   Call: (184) [system] 'Z'='{'
   Fail: (184) [system] 'Z'='{'
   Call: (184) [system] 'Z'='"'
   Fail: (184) [system] 'Z'='"'
   Call: (184) [system] 'Z'=!
   Fail: (184) [system] 'Z'=!
   Call: (184) [system] 'Z'='\''
   Fail: (184) [system] 'Z'='\''
   Call: (184) [system] 'Z'='`'
   Fail: (184) [system] 'Z'='`'
   Call: (184) [system] 'Z'=end_of_file
   Fail: (184) [system] 'Z'=end_of_file
^  Call: (184) [user] read_symbolic(')', (0x563acd73bee0), 'Z', _1737734)
^  Call: (185) [user] read_symbolic_cont(')', (0x563acd73bee0), _1773244)
   Call: (186) [system] peek_char((0x563acd73bee0), _1774178)
   Exit: (186) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (186) [user] is_delimiter(' ')
   Call: (187) [system] char_type(' ', space)
   Exit: (187) [system] char_type(' ', space)
^  Exit: (186) [user] is_delimiter(' ')
   Call: (186) [system] _1773244=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (185) [user] classify_and_convert_charseq(['Z'], _1737734)
^  Call: (186) [user] classify_and_convert_charseq_(['Z'], _1783462)
^  Call: (188) [system] setup_call_cleanup('$notrace'(_1784414, _1784416), once(user:catch(read_from_chars(['Z'], _1783462), _1784396, fail)), '$restore_trace'(_1784414, _1784416))
^  Call: (189) [system] sig_atomic(system:'$notrace'(_1784414, _1784416))
^  Exit: (188) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['Z'], _1783462), _1784396, fail)), system:'$restore_trace'(3, -1))
   Call: (187) [system] atomic(_1783462)
   Fail: (187) [system] atomic(_1783462)
   Call: (187) [system] atom_chars(_1783462, ['Z'])
   Exit: (187) [system] atom_chars('Z', ['Z'])
^  Exit: (186) [user] classify_and_convert_charseq_(['Z'], 'Z')
   Call: (186) [system] integer('Z')
   Fail: (186) [system] integer('Z')
   Call: (186) [system] _1737734='Z'
   Exit: (186) [system] 'Z'='Z'
^  Exit: (185) [user] classify_and_convert_charseq(['Z'], 'Z')
^  Exit: (184) [user] read_symbolic(')', (0x563acd73bee0), 'Z', 'Z')
^  Exit: (183) [user] cont_sexpr(')', (0x563acd73bee0), 'Z')
^  Call: (183) [user] read_list(')', (0x563acd73bee0), _1798412)
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _1800270)
   Exit: (185) [system] peek_char((0x563acd73bee0), ' ')
   Call: (185) [system] ' '=(;)
   Fail: (185) [system] ' '=(;)
   Call: (185) [system] ' '=(/)
   Fail: (185) [system] ' '=(/)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x563acd73bee0), _1809864)
   Exit: (185) [system] get_char((0x563acd73bee0), ' ')
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1812568)
   Exit: (186) [system] peek_char((0x563acd73bee0), 'N')
   Call: (186) [system] 'N'=(;)
   Fail: (186) [system] 'N'=(;)
   Call: (186) [system] 'N'=(/)
   Fail: (186) [system] 'N'=(/)
^  Call: (186) [user] is_like_space('N')
   Call: (187) [system] char_type('N', 'white')
   Fail: (187) [system] char_type('N', 'white')
   Call: (187) [system] char_type('N', end_of_line)
   Fail: (187) [system] char_type('N', end_of_line)
   Call: (187) [system] char_type('N', space)
   Fail: (187) [system] char_type('N', space)
   Call: (187) [system] char_type('N', cntrl)
   Fail: (187) [system] char_type('N', cntrl)
^  Fail: (186) [user] is_like_space('N')
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _1829502)
   Exit: (184) [system] peek_char((0x563acd73bee0), 'N')
   Call: (184) [system] 'N'=')'
   Fail: (184) [system] 'N'=')'
   Call: (184) [system] 'N'=end_of_file
   Fail: (184) [system] 'N'=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x563acd73bee0), _1835072)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1836930)
   Exit: (186) [system] peek_char((0x563acd73bee0), 'N')
   Call: (186) [system] 'N'=(;)
   Fail: (186) [system] 'N'=(;)
   Call: (186) [system] 'N'=(/)
   Fail: (186) [system] 'N'=(/)
^  Call: (186) [user] is_like_space('N')
   Call: (187) [system] char_type('N', 'white')
   Fail: (187) [system] char_type('N', 'white')
   Call: (187) [system] char_type('N', end_of_line)
   Fail: (187) [system] char_type('N', end_of_line)
   Call: (187) [system] char_type('N', space)
   Fail: (187) [system] char_type('N', space)
   Call: (187) [system] char_type('N', cntrl)
   Fail: (187) [system] char_type('N', cntrl)
^  Fail: (186) [user] is_like_space('N')
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] get_char((0x563acd73bee0), _1852940)
   Exit: (185) [system] get_char((0x563acd73bee0), 'N')
   Call: (185) [system] 'N'='('
   Fail: (185) [system] 'N'='('
   Call: (185) [system] 'N'='['
   Fail: (185) [system] 'N'='['
   Call: (185) [system] 'N'='{'
   Fail: (185) [system] 'N'='{'
   Call: (185) [system] 'N'='"'
   Fail: (185) [system] 'N'='"'
   Call: (185) [system] 'N'=!
   Fail: (185) [system] 'N'=!
   Call: (185) [system] 'N'='\''
   Fail: (185) [system] 'N'='\''
   Call: (185) [system] 'N'='`'
   Fail: (185) [system] 'N'='`'
   Call: (185) [system] 'N'=end_of_file
   Fail: (185) [system] 'N'=end_of_file
^  Call: (185) [user] read_symbolic(')', (0x563acd73bee0), 'N', _1835072)
^  Call: (186) [user] read_symbolic_cont(')', (0x563acd73bee0), _1870582)
   Call: (187) [system] peek_char((0x563acd73bee0), _1871516)
   Exit: (187) [system] peek_char((0x563acd73bee0), a)
^  Call: (187) [user] is_delimiter(a)
   Call: (188) [system] char_type(a, space)
   Fail: (188) [system] char_type(a, space)
   Call: (188) [system] arg(_1876236, v('(', ')', end_of_file), a)
   Fail: (188) [system] arg(_1877168, v('(', ')', end_of_file), a)
^  Fail: (187) [user] is_delimiter(a)
   Call: (187) [system] ')'==a
   Fail: (187) [system] ')'==a
   Call: (187) [system] get_char((0x563acd73bee0), a)
   Exit: (187) [system] get_char((0x563acd73bee0), a)
   Call: (187) [system] a=(\)
   Fail: (187) [system] a=(\)
^  Call: (187) [user] read_symbolic_cont(')', (0x563acd73bee0), _1884518)
   Call: (188) [system] peek_char((0x563acd73bee0), _1885452)
   Exit: (188) [system] peek_char((0x563acd73bee0), t)
^  Call: (188) [user] is_delimiter(t)
   Call: (189) [system] char_type(t, space)
   Fail: (189) [system] char_type(t, space)
   Call: (189) [system] arg(_1890172, v('(', ')', end_of_file), t)
   Fail: (189) [system] arg(_1891104, v('(', ')', end_of_file), t)
^  Fail: (188) [user] is_delimiter(t)
   Call: (188) [system] ')'==t
   Fail: (188) [system] ')'==t
   Call: (188) [system] get_char((0x563acd73bee0), t)
   Exit: (188) [system] get_char((0x563acd73bee0), t)
   Call: (188) [system] t=(\)
   Fail: (188) [system] t=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), _1898454)
   Call: (189) [system] peek_char((0x563acd73bee0), _1899388)
   Exit: (189) [system] peek_char((0x563acd73bee0), ')')
^  Call: (189) [user] is_delimiter(')')
   Call: (190) [system] char_type(')', space)
   Fail: (190) [system] char_type(')', space)
   Call: (190) [system] arg(_1904108, v('(', ')', end_of_file), ')')
   Exit: (190) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (189) [user] is_delimiter(')')
   Call: (189) [system] _1898454=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (188) [system] _1884518=[t]
   Exit: (188) [system] [t]=[t]
^  Exit: (187) [user] read_symbolic_cont(')', (0x563acd73bee0), [t])
   Call: (187) [system] _1870582=[a, t]
   Exit: (187) [system] [a, t]=[a, t]
^  Exit: (186) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t])
^  Call: (186) [user] classify_and_convert_charseq(['N', a, t], _1835072)
^  Call: (187) [user] classify_and_convert_charseq_(['N', a, t], _1916132)
^  Call: (189) [system] setup_call_cleanup('$notrace'(_1917084, _1917086), once(user:catch(read_from_chars(['N', a, t], _1916132), _1917066, fail)), '$restore_trace'(_1917084, _1917086))
^  Call: (190) [system] sig_atomic(system:'$notrace'(_1917084, _1917086))
^  Exit: (189) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['N', a, t], _1916132), _1917066, fail)), system:'$restore_trace'(3, -1))
   Call: (188) [system] atomic(_1916132)
   Fail: (188) [system] atomic(_1916132)
   Call: (188) [system] atom_chars(_1916132, ['N', a, t])
   Exit: (188) [system] atom_chars('Nat', ['N', a, t])
^  Exit: (187) [user] classify_and_convert_charseq_(['N', a, t], 'Nat')
   Call: (187) [system] integer('Nat')
   Fail: (187) [system] integer('Nat')
   Call: (187) [system] _1835072='Nat'
   Exit: (187) [system] 'Nat'='Nat'
^  Exit: (186) [user] classify_and_convert_charseq(['N', a, t], 'Nat')
^  Exit: (185) [user] read_symbolic(')', (0x563acd73bee0), 'N', 'Nat')
^  Exit: (184) [user] cont_sexpr(')', (0x563acd73bee0), 'Nat')
^  Call: (184) [user] read_list(')', (0x563acd73bee0), _1931082)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1932940)
   Exit: (186) [system] peek_char((0x563acd73bee0), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
   Call: (186) [system] ')'=(/)
   Fail: (186) [system] ')'=(/)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _1948950)
   Exit: (185) [system] peek_char((0x563acd73bee0), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x563acd73bee0), _1952740)
   Exit: (185) [system] get_char((0x563acd73bee0), ')')
   Call: (185) [system] _1931082=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x563acd73bee0), [])
   Call: (184) [system] _1798412=['Nat']
   Exit: (184) [system] ['Nat']=['Nat']
^  Exit: (183) [user] read_list(')', (0x563acd73bee0), ['Nat'])
   Call: (183) [system] _1701074=['Z', 'Nat']
   Exit: (183) [system] ['Z', 'Nat']=['Z', 'Nat']
^  Exit: (182) [user] read_list(')', (0x563acd73bee0), ['Z', 'Nat'])
   Call: (182) [system] _1563772=[:, 'Z', 'Nat']
   Exit: (182) [system] [:, 'Z', 'Nat']=[:, 'Z', 'Nat']
^  Exit: (181) [user] read_list(')', (0x563acd73bee0), [:, 'Z', 'Nat'])
^  Exit: (180) [user] cont_sexpr(')', (0x563acd73bee0), [:, 'Z', 'Nat'])
^  Exit: (179) [user] read_sexpr((0x563acd73bee0), [:, 'Z', 'Nat'])
^  Call: (179) [user] assertz(metta_file_comment(15, 0, 337, [:, 'Z', 'Nat'], '$stream_position'(337, 15, 0, 337)))
^  Exit: (179) [user] assertz(metta_file_comment(15, 0, 337, [:, 'Z', 'Nat'], '$stream_position'(337, 15, 0, 337)))
^  Exit: (177) [system] once(user:(read_position((0x563acd73bee0), 15, 0, 337, '$stream_position'(337, 15, 0, 337)), read_sexpr((0x563acd73bee0), [:, 'Z', 'Nat']), assertz(metta_file_comment(15, 0, 337, [:, 'Z', 'Nat'], '$stream_position'(337, 15, 0, 337)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_1971258, _1971260, _1971262, _1971264, _1971266))
^  Exit: (177) [user] retract(metta_file_comment(35, 0, 1060, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$stream_position'(1060, 35, 0, 1060)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _374540)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _1974098))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _1974098)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _1974098)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _1976914))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _1976914))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _1976914)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _1979714))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _1979714)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _1979714)
   Call: (187) [system] var('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
   Call: (187) [system] atom('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
   Call: (187) [system] '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)==true
   Call: (187) [system] '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)==false
   Call: (187) [system] '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)==[_1986234, _1986240]
   Call: (187) [system] is_list('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
   Call: (187) [system] string('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
   Call: (187) [system] compound('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
   Exit: (187) [system] compound('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _1990868, _1990870)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT', [";;\t\t to non-deterministically pick up", 35, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";;\t\t to non-deterministically pick up", 35, 0], _1994610)
   Call: (188) [apply] apply:maplist_([";;\t\t to non-deterministically pick up", 35, 0], _1994610, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";;\t\t to non-deterministically pick up", _1996490)
   Call: (190) [system] var(";;\t\t to non-deterministically pick up")
   Call: (190) [system] atom(";;\t\t to non-deterministically pick up")
   Call: (190) [system] ";;\t\t to non-deterministically pick up"==true
   Call: (190) [system] ";;\t\t to non-deterministically pick up"==false
   Call: (190) [system] ";;\t\t to non-deterministically pick up"==[_2001132, _2001138]
   Call: (190) [system] is_list(";;\t\t to non-deterministically pick up")
   Call: (190) [system] string(";;\t\t to non-deterministically pick up")
   Exit: (190) [system] string(";;\t\t to non-deterministically pick up")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";;\t\t to non-deterministically pick up")
^  Call: (190) [user] symbol(";;\t\t to non-deterministically pick up")
   Call: (191) [system] atom(";;\t\t to non-deterministically pick up")
   Fail: (191) [system] atom(";;\t\t to non-deterministically pick up")
^  Fail: (190) [user] symbol(";;\t\t to non-deterministically pick up")
   Call: (190) [system] ";;\t\t to non-deterministically pick up"=_1996490
   Exit: (190) [system] ";;\t\t to non-deterministically pick up"=";;\t\t to non-deterministically pick up"
^  Exit: (189) [user] mfix_vars1(";;\t\t to non-deterministically pick up", ";;\t\t to non-deterministically pick up")
   Call: (189) [apply] apply:maplist_([35, 0], _1996492, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(35, _2015012)
   Call: (191) [system] var(35)
   Call: (191) [system] atom(35)
   Call: (191) [system] 35==true
   Call: (191) [system] 35==false
   Call: (191) [system] 35==[_2019654, _2019660]
   Call: (191) [system] is_list(35)
   Call: (191) [system] string(35)
   Call: (191) [system] compound(35)
^  Call: (191) [user] symbol(35)
   Call: (192) [system] atom(35)
   Fail: (192) [system] atom(35)
^  Fail: (191) [user] symbol(35)
   Call: (191) [system] 35=_2015012
   Exit: (191) [system] 35=35
^  Exit: (190) [user] mfix_vars1(35, 35)
   Call: (190) [apply] apply:maplist_([0], _2015014, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _2030778)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_2035420, _2035426]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_2030778
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _2030780, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([35, 0], [35, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";;\t\t to non-deterministically pick up", 35, 0], [";;\t\t to non-deterministically pick up", 35, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";;\t\t to non-deterministically pick up", 35, 0], [";;\t\t to non-deterministically pick up", 35, 0])
   Call: (187) [system] compound_name_arguments(_1979714, '$COMMENT', [";;\t\t to non-deterministically pick up", 35, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT', [";;\t\t to non-deterministically pick up", 35, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)))
   Call: (184) [system] '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)\=@='$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _2059596))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _2059596))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _2059596)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _2062396))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _2062396)
^  Call: (186) [user] cons_to_c('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _2062396)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)))
   Call: (184) [system] '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)\=@='$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _1974098))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _1974098))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _1974098)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _2076354))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _2076354)
^  Call: (186) [user] cons_to_l('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _2076354)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)))
   Call: (184) [system] '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)\=@='$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)))
   Call: (178) [system] '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)\=@='$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
^  Exit: (171) [user] read_sform((0x563acd73bee0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
^  Exit: (170) [system] once(user:read_sform((0x563acd73bee0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x563acd73bee0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)))
   Call: (169) [system] '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1727204587.625688), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204587.625688), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)), 14]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), ynthesize_long_1727204587_629323, 14)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1727204587.625688), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204587.625688), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)), 14]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1727204587.8688998)
   Call: (173) [system] arg(1, t(1727204587.625688), _3148)
   Exit: (173) [system] arg(1, t(1727204587.625688), 1727204587.625688)
   Call: (173) [system] _3158 is 1727204587.8688998-1727204587.625688
   Exit: (173) [system] 0.2432117462158203 is 1727204587.8688998-1727204587.625688
   Call: (173) [system] 0.2432117462158203>4
   Fail: (173) [system] 0.2432117462158203>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1727204587.625688), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204587.625688), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)), 14]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 1)
   Call: (175) [system] atom(1+1)
   Call: (175) [system] set_flag(translated_forms, 2)
   Exit: (175) [system] set_flag(translated_forms, 2)
   Exit: (174) [$syspreds] update_flag(translated_forms, 1, 1+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 1, 1+1))
   Exit: (171) [$syspreds] flag(translated_forms, 1, 1+1)
^  Call: (171) [user] write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), ynthesize_long_1727204587_629323, 14)
^  Call: (172) [user] format((0x563acd7397e0), "/* ~w */~n", [";;\t\t to non-deterministically pick up"])
^  Exit: (172) [user] format((0x563acd7397e0), "/* ~w */~n", [";;\t\t to non-deterministically pick up"])
^  Exit: (171) [user] write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), ynthesize_long_1727204587_629323, 14)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1727204587.625688), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204587.625688), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)), 14]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 1, 1+1), write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), ynthesize_long_1727204587_629323, 14)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x563acd73bee0))
   Fail: (169) [system] at_end_of_stream((0x563acd73bee0))
^  Call: (169) [user] must_det_ll(line_count((0x563acd73bee0), _3074))
^  Call: (170) [user] once(user:line_count((0x563acd73bee0), _3074))
   Call: (171) [system] line_count((0x563acd73bee0), _3074)
   Exit: (171) [system] line_count((0x563acd73bee0), 15)
^  Exit: (170) [system] once(user:line_count((0x563acd73bee0), 15))
^  Exit: (169) [user] must_det_ll(user:line_count((0x563acd73bee0), 15))
^  Call: (169) [user] must_det_ll(read_sform((0x563acd73bee0), _3084))
^  Call: (170) [user] once(user:read_sform((0x563acd73bee0), _3084))
^  Call: (171) [user] read_sform((0x563acd73bee0), _3084)
   Call: (172) [system] string((0x563acd73bee0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
   Call: (173) [system] string((0x563acd73bee0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), _3084)
   Call: (174) [system] at_end_of_stream((0x563acd73bee0))
   Call: (174) [system] peek_char((0x563acd73bee0), _57610)
   Exit: (174) [system] peek_char((0x563acd73bee0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x563acd73bee0), '\n')
   Exit: (174) [system] get_char((0x563acd73bee0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x563acd73bee0), _3084)
   Call: (175) [system] at_end_of_stream((0x563acd73bee0))
   Call: (175) [system] peek_char((0x563acd73bee0), _65032)
   Exit: (175) [system] peek_char((0x563acd73bee0), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
   Call: (176) [system] string((0x563acd73bee0))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), _3084)
   Call: (177) [system] at_end_of_stream((0x563acd73bee0))
   Call: (177) [system] peek_char((0x563acd73bee0), _73370)
   Exit: (177) [system] peek_char((0x563acd73bee0), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _76156=(0x563acd73bee0)
   Exit: (177) [system] (0x563acd73bee0)=(0x563acd73bee0)
^  Call: (177) [user] once((read_position((0x563acd73bee0), _78024, _78026, _78028, _78030), read_sexpr((0x563acd73bee0), _78042), assertz(metta_file_comment(_78024, _78026, _78028, _78042, _78030))))
^  Call: (179) [user] read_position((0x563acd73bee0), _78024, _78026, _78028, _78030)
   Call: (180) [system] stream_property((0x563acd73bee0), position(_78030))
   Call: (181) [system] nonvar((0x563acd73bee0))
   Exit: (181) [system] nonvar((0x563acd73bee0))
   Call: (181) [system] nonvar(position(_78030))
   Exit: (181) [system] nonvar(position(_78030))
   Exit: (180) [system] stream_property((0x563acd73bee0), position('$stream_position'(347, 16, 0, 347)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(347, 16, 0, 347), _78024)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _88282)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(347, 16, 0, 347), _78024)
   Exit: (181) [system] arg(2, '$stream_position'(347, 16, 0, 347), 16)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(347, 16, 0, 347), 16)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(347, 16, 0, 347), _78026)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _95716)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(347, 16, 0, 347), _78026)
   Exit: (181) [system] arg(3, '$stream_position'(347, 16, 0, 347), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(347, 16, 0, 347), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(347, 16, 0, 347), _78028)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _103150)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(347, 16, 0, 347), _78028)
   Exit: (181) [system] arg(1, '$stream_position'(347, 16, 0, 347), 347)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(347, 16, 0, 347), 347)
^  Exit: (179) [user] read_position((0x563acd73bee0), 16, 0, 347, '$stream_position'(347, 16, 0, 347))
^  Call: (179) [user] read_sexpr((0x563acd73bee0), _78042)
   Call: (180) [system] string((0x563acd73bee0))
   Fail: (180) [system] string((0x563acd73bee0))
^  Call: (180) [user] cont_sexpr(')', (0x563acd73bee0), _78042)
^  Call: (181) [user] skip_spaces((0x563acd73bee0))
   Call: (182) [system] peek_char((0x563acd73bee0), _113376)
   Exit: (182) [system] peek_char((0x563acd73bee0), '(')
   Call: (182) [system] '('=(;)
   Fail: (182) [system] '('=(;)
   Call: (182) [system] '('=(/)
   Fail: (182) [system] '('=(/)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Fail: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Fail: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Fail: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
   Fail: (183) [system] char_type('(', cntrl)
^  Fail: (182) [user] is_like_space('(')
^  Exit: (181) [user] skip_spaces((0x563acd73bee0))
   Call: (181) [system] get_char((0x563acd73bee0), _129386)
   Exit: (181) [system] get_char((0x563acd73bee0), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x563acd73bee0), _78042)
^  Call: (182) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] peek_char((0x563acd73bee0), _134956)
   Exit: (183) [system] peek_char((0x563acd73bee0), :)
   Call: (183) [system] (:)=(;)
   Fail: (183) [system] (:)=(;)
   Call: (183) [system] (:)=(/)
   Fail: (183) [system] (:)=(/)
^  Call: (183) [user] is_like_space(:)
   Call: (184) [system] char_type(:, 'white')
   Fail: (184) [system] char_type(:, 'white')
   Call: (184) [system] char_type(:, end_of_line)
   Fail: (184) [system] char_type(:, end_of_line)
   Call: (184) [system] char_type(:, space)
   Fail: (184) [system] char_type(:, space)
   Call: (184) [system] char_type(:, cntrl)
   Fail: (184) [system] char_type(:, cntrl)
^  Fail: (183) [user] is_like_space(:)
^  Exit: (182) [user] skip_spaces((0x563acd73bee0))
   Call: (182) [system] peek_char((0x563acd73bee0), _150966)
   Exit: (182) [system] peek_char((0x563acd73bee0), :)
   Call: (182) [system] (:)=')'
   Fail: (182) [system] (:)=')'
   Call: (182) [system] (:)=end_of_file
   Fail: (182) [system] (:)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x563acd73bee0), _156536)
^  Call: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _158394)
   Exit: (184) [system] peek_char((0x563acd73bee0), :)
   Call: (184) [system] (:)=(;)
   Fail: (184) [system] (:)=(;)
   Call: (184) [system] (:)=(/)
   Fail: (184) [system] (:)=(/)
^  Call: (184) [user] is_like_space(:)
   Call: (185) [system] char_type(:, 'white')
   Fail: (185) [system] char_type(:, 'white')
   Call: (185) [system] char_type(:, end_of_line)
   Fail: (185) [system] char_type(:, end_of_line)
   Call: (185) [system] char_type(:, space)
   Fail: (185) [system] char_type(:, space)
   Call: (185) [system] char_type(:, cntrl)
   Fail: (185) [system] char_type(:, cntrl)
^  Fail: (184) [user] is_like_space(:)
^  Exit: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] get_char((0x563acd73bee0), _174404)
   Exit: (183) [system] get_char((0x563acd73bee0), :)
   Call: (183) [system] (:)='('
   Fail: (183) [system] (:)='('
   Call: (183) [system] (:)='['
   Fail: (183) [system] (:)='['
   Call: (183) [system] (:)='{'
   Fail: (183) [system] (:)='{'
   Call: (183) [system] (:)='"'
   Fail: (183) [system] (:)='"'
   Call: (183) [system] (:)=!
   Fail: (183) [system] (:)=!
   Call: (183) [system] (:)='\''
   Fail: (183) [system] (:)='\''
   Call: (183) [system] (:)='`'
   Fail: (183) [system] (:)='`'
   Call: (183) [system] (:)=end_of_file
   Fail: (183) [system] (:)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x563acd73bee0), :, _156536)
^  Call: (184) [user] read_symbolic_cont(')', (0x563acd73bee0), _192046)
   Call: (185) [system] peek_char((0x563acd73bee0), _192980)
   Exit: (185) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _192046=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (184) [user] classify_and_convert_charseq([:], _156536)
^  Call: (185) [user] classify_and_convert_charseq_([:], _202264)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_203216, _203218), once(user:catch(read_from_chars([:], _202264), _203198, fail)), '$restore_trace'(_203216, _203218))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_203216, _203218))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _203198, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(:)
   Exit: (186) [system] atomic(:)
^  Exit: (185) [user] classify_and_convert_charseq_([:], :)
   Call: (185) [system] integer(:)
   Fail: (185) [system] integer(:)
   Call: (185) [system] _156536=(:)
   Exit: (185) [system] (:)=(:)
^  Exit: (184) [user] classify_and_convert_charseq([:], :)
^  Exit: (183) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (182) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (182) [user] read_list(')', (0x563acd73bee0), _215344)
^  Call: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _217202)
   Exit: (184) [system] peek_char((0x563acd73bee0), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
   Call: (184) [system] ' '=(/)
   Fail: (184) [system] ' '=(/)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x563acd73bee0), _226796)
   Exit: (184) [system] get_char((0x563acd73bee0), ' ')
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _229500)
   Exit: (185) [system] peek_char((0x563acd73bee0), 'S')
   Call: (185) [system] 'S'=(;)
   Fail: (185) [system] 'S'=(;)
   Call: (185) [system] 'S'=(/)
   Fail: (185) [system] 'S'=(/)
^  Call: (185) [user] is_like_space('S')
   Call: (186) [system] char_type('S', 'white')
   Fail: (186) [system] char_type('S', 'white')
   Call: (186) [system] char_type('S', end_of_line)
   Fail: (186) [system] char_type('S', end_of_line)
   Call: (186) [system] char_type('S', space)
   Fail: (186) [system] char_type('S', space)
   Call: (186) [system] char_type('S', cntrl)
   Fail: (186) [system] char_type('S', cntrl)
^  Fail: (185) [user] is_like_space('S')
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
^  Exit: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] peek_char((0x563acd73bee0), _246434)
   Exit: (183) [system] peek_char((0x563acd73bee0), 'S')
   Call: (183) [system] 'S'=')'
   Fail: (183) [system] 'S'=')'
   Call: (183) [system] 'S'=end_of_file
   Fail: (183) [system] 'S'=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x563acd73bee0), _252004)
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _253862)
   Exit: (185) [system] peek_char((0x563acd73bee0), 'S')
   Call: (185) [system] 'S'=(;)
   Fail: (185) [system] 'S'=(;)
   Call: (185) [system] 'S'=(/)
   Fail: (185) [system] 'S'=(/)
^  Call: (185) [user] is_like_space('S')
   Call: (186) [system] char_type('S', 'white')
   Fail: (186) [system] char_type('S', 'white')
   Call: (186) [system] char_type('S', end_of_line)
   Fail: (186) [system] char_type('S', end_of_line)
   Call: (186) [system] char_type('S', space)
   Fail: (186) [system] char_type('S', space)
   Call: (186) [system] char_type('S', cntrl)
   Fail: (186) [system] char_type('S', cntrl)
^  Fail: (185) [user] is_like_space('S')
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] get_char((0x563acd73bee0), _269872)
   Exit: (184) [system] get_char((0x563acd73bee0), 'S')
   Call: (184) [system] 'S'='('
   Fail: (184) [system] 'S'='('
   Call: (184) [system] 'S'='['
   Fail: (184) [system] 'S'='['
   Call: (184) [system] 'S'='{'
   Fail: (184) [system] 'S'='{'
   Call: (184) [system] 'S'='"'
   Fail: (184) [system] 'S'='"'
   Call: (184) [system] 'S'=!
   Fail: (184) [system] 'S'=!
   Call: (184) [system] 'S'='\''
   Fail: (184) [system] 'S'='\''
   Call: (184) [system] 'S'='`'
   Fail: (184) [system] 'S'='`'
   Call: (184) [system] 'S'=end_of_file
   Fail: (184) [system] 'S'=end_of_file
^  Call: (184) [user] read_symbolic(')', (0x563acd73bee0), 'S', _252004)
^  Call: (185) [user] read_symbolic_cont(')', (0x563acd73bee0), _287514)
   Call: (186) [system] peek_char((0x563acd73bee0), _288448)
   Exit: (186) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (186) [user] is_delimiter(' ')
   Call: (187) [system] char_type(' ', space)
   Exit: (187) [system] char_type(' ', space)
^  Exit: (186) [user] is_delimiter(' ')
   Call: (186) [system] _287514=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (185) [user] classify_and_convert_charseq(['S'], _252004)
^  Call: (186) [user] classify_and_convert_charseq_(['S'], _297732)
^  Call: (188) [system] setup_call_cleanup('$notrace'(_298684, _298686), once(user:catch(read_from_chars(['S'], _297732), _298666, fail)), '$restore_trace'(_298684, _298686))
^  Call: (189) [system] sig_atomic(system:'$notrace'(_298684, _298686))
^  Exit: (188) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['S'], _297732), _298666, fail)), system:'$restore_trace'(3, -1))
   Call: (187) [system] atomic(_297732)
   Fail: (187) [system] atomic(_297732)
   Call: (187) [system] atom_chars(_297732, ['S'])
   Exit: (187) [system] atom_chars('S', ['S'])
^  Exit: (186) [user] classify_and_convert_charseq_(['S'], 'S')
   Call: (186) [system] integer('S')
   Fail: (186) [system] integer('S')
   Call: (186) [system] _252004='S'
   Exit: (186) [system] 'S'='S'
^  Exit: (185) [user] classify_and_convert_charseq(['S'], 'S')
^  Exit: (184) [user] read_symbolic(')', (0x563acd73bee0), 'S', 'S')
^  Exit: (183) [user] cont_sexpr(')', (0x563acd73bee0), 'S')
^  Call: (183) [user] read_list(')', (0x563acd73bee0), _312682)
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _314540)
   Exit: (185) [system] peek_char((0x563acd73bee0), ' ')
   Call: (185) [system] ' '=(;)
   Fail: (185) [system] ' '=(;)
   Call: (185) [system] ' '=(/)
   Fail: (185) [system] ' '=(/)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x563acd73bee0), _324134)
   Exit: (185) [system] get_char((0x563acd73bee0), ' ')
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _326838)
   Exit: (186) [system] peek_char((0x563acd73bee0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _343772)
   Exit: (184) [system] peek_char((0x563acd73bee0), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x563acd73bee0), _349342)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _351200)
   Exit: (186) [system] peek_char((0x563acd73bee0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] get_char((0x563acd73bee0), _367210)
   Exit: (185) [system] get_char((0x563acd73bee0), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x563acd73bee0), _349342)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _372780)
   Exit: (187) [system] peek_char((0x563acd73bee0), -)
   Call: (187) [system] (-)=(;)
   Fail: (187) [system] (-)=(;)
   Call: (187) [system] (-)=(/)
   Fail: (187) [system] (-)=(/)
^  Call: (187) [user] is_like_space(-)
   Call: (188) [system] char_type(-, 'white')
   Fail: (188) [system] char_type(-, 'white')
   Call: (188) [system] char_type(-, end_of_line)
   Fail: (188) [system] char_type(-, end_of_line)
   Call: (188) [system] char_type(-, space)
   Fail: (188) [system] char_type(-, space)
   Call: (188) [system] char_type(-, cntrl)
   Fail: (188) [system] char_type(-, cntrl)
^  Fail: (187) [user] is_like_space(-)
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _388790)
   Exit: (186) [system] peek_char((0x563acd73bee0), -)
   Call: (186) [system] (-)=')'
   Fail: (186) [system] (-)=')'
   Call: (186) [system] (-)=end_of_file
   Fail: (186) [system] (-)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x563acd73bee0), _394360)
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _396218)
   Exit: (188) [system] peek_char((0x563acd73bee0), -)
   Call: (188) [system] (-)=(;)
   Fail: (188) [system] (-)=(;)
   Call: (188) [system] (-)=(/)
   Fail: (188) [system] (-)=(/)
^  Call: (188) [user] is_like_space(-)
   Call: (189) [system] char_type(-, 'white')
   Fail: (189) [system] char_type(-, 'white')
   Call: (189) [system] char_type(-, end_of_line)
   Fail: (189) [system] char_type(-, end_of_line)
   Call: (189) [system] char_type(-, space)
   Fail: (189) [system] char_type(-, space)
   Call: (189) [system] char_type(-, cntrl)
   Fail: (189) [system] char_type(-, cntrl)
^  Fail: (188) [user] is_like_space(-)
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] get_char((0x563acd73bee0), _412228)
   Exit: (187) [system] get_char((0x563acd73bee0), -)
   Call: (187) [system] (-)='('
   Fail: (187) [system] (-)='('
   Call: (187) [system] (-)='['
   Fail: (187) [system] (-)='['
   Call: (187) [system] (-)='{'
   Fail: (187) [system] (-)='{'
   Call: (187) [system] (-)='"'
   Fail: (187) [system] (-)='"'
   Call: (187) [system] (-)=!
   Fail: (187) [system] (-)=!
   Call: (187) [system] (-)='\''
   Fail: (187) [system] (-)='\''
   Call: (187) [system] (-)='`'
   Fail: (187) [system] (-)='`'
   Call: (187) [system] (-)=end_of_file
   Fail: (187) [system] (-)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x563acd73bee0), -, _394360)
^  Call: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), _429870)
   Call: (189) [system] peek_char((0x563acd73bee0), _430804)
   Exit: (189) [system] peek_char((0x563acd73bee0), >)
^  Call: (189) [user] is_delimiter(>)
   Call: (190) [system] char_type(>, space)
   Fail: (190) [system] char_type(>, space)
   Call: (190) [system] arg(_435524, v('(', ')', end_of_file), >)
   Fail: (190) [system] arg(_436456, v('(', ')', end_of_file), >)
^  Fail: (189) [user] is_delimiter(>)
   Call: (189) [system] ')'==(>)
   Fail: (189) [system] ')'==(>)
   Call: (189) [system] get_char((0x563acd73bee0), >)
   Exit: (189) [system] get_char((0x563acd73bee0), >)
   Call: (189) [system] (>)=(\)
   Fail: (189) [system] (>)=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), _443806)
   Call: (190) [system] peek_char((0x563acd73bee0), _444740)
   Exit: (190) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (190) [user] is_delimiter(' ')
   Call: (191) [system] char_type(' ', space)
   Exit: (191) [system] char_type(' ', space)
^  Exit: (190) [user] is_delimiter(' ')
   Call: (190) [system] _443806=[]
   Exit: (190) [system] []=[]
^  Exit: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (189) [system] _429870=[>]
   Exit: (189) [system] [>]=[>]
^  Exit: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), [>])
^  Call: (188) [user] classify_and_convert_charseq([-, >], _394360)
^  Call: (189) [user] classify_and_convert_charseq_([-, >], _456818)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_457770, _457772), once(user:catch(read_from_chars([-, >], _456818), _457752, fail)), '$restore_trace'(_457770, _457772))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_457770, _457772))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _457752, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(->)
   Exit: (190) [system] atomic(->)
^  Exit: (189) [user] classify_and_convert_charseq_([-, >], ->)
   Call: (189) [system] integer(->)
   Fail: (189) [system] integer(->)
   Call: (189) [system] _394360=(->)
   Exit: (189) [system] (->)=(->)
^  Exit: (188) [user] classify_and_convert_charseq([-, >], ->)
^  Exit: (187) [user] read_symbolic(')', (0x563acd73bee0), -, ->)
^  Exit: (186) [user] cont_sexpr(')', (0x563acd73bee0), ->)
^  Call: (186) [user] read_list(')', (0x563acd73bee0), _469898)
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _471756)
   Exit: (188) [system] peek_char((0x563acd73bee0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x563acd73bee0), _481350)
   Exit: (188) [system] get_char((0x563acd73bee0), ' ')
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _484054)
   Exit: (189) [system] peek_char((0x563acd73bee0), 'N')
   Call: (189) [system] 'N'=(;)
   Fail: (189) [system] 'N'=(;)
   Call: (189) [system] 'N'=(/)
   Fail: (189) [system] 'N'=(/)
^  Call: (189) [user] is_like_space('N')
   Call: (190) [system] char_type('N', 'white')
   Fail: (190) [system] char_type('N', 'white')
   Call: (190) [system] char_type('N', end_of_line)
   Fail: (190) [system] char_type('N', end_of_line)
   Call: (190) [system] char_type('N', space)
   Fail: (190) [system] char_type('N', space)
   Call: (190) [system] char_type('N', cntrl)
   Fail: (190) [system] char_type('N', cntrl)
^  Fail: (189) [user] is_like_space('N')
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _500988)
   Exit: (187) [system] peek_char((0x563acd73bee0), 'N')
   Call: (187) [system] 'N'=')'
   Fail: (187) [system] 'N'=')'
   Call: (187) [system] 'N'=end_of_file
   Fail: (187) [system] 'N'=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x563acd73bee0), _506558)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _508416)
   Exit: (189) [system] peek_char((0x563acd73bee0), 'N')
   Call: (189) [system] 'N'=(;)
   Fail: (189) [system] 'N'=(;)
   Call: (189) [system] 'N'=(/)
   Fail: (189) [system] 'N'=(/)
^  Call: (189) [user] is_like_space('N')
   Call: (190) [system] char_type('N', 'white')
   Fail: (190) [system] char_type('N', 'white')
   Call: (190) [system] char_type('N', end_of_line)
   Fail: (190) [system] char_type('N', end_of_line)
   Call: (190) [system] char_type('N', space)
   Fail: (190) [system] char_type('N', space)
   Call: (190) [system] char_type('N', cntrl)
   Fail: (190) [system] char_type('N', cntrl)
^  Fail: (189) [user] is_like_space('N')
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] get_char((0x563acd73bee0), _524426)
   Exit: (188) [system] get_char((0x563acd73bee0), 'N')
   Call: (188) [system] 'N'='('
   Fail: (188) [system] 'N'='('
   Call: (188) [system] 'N'='['
   Fail: (188) [system] 'N'='['
   Call: (188) [system] 'N'='{'
   Fail: (188) [system] 'N'='{'
   Call: (188) [system] 'N'='"'
   Fail: (188) [system] 'N'='"'
   Call: (188) [system] 'N'=!
   Fail: (188) [system] 'N'=!
   Call: (188) [system] 'N'='\''
   Fail: (188) [system] 'N'='\''
   Call: (188) [system] 'N'='`'
   Fail: (188) [system] 'N'='`'
   Call: (188) [system] 'N'=end_of_file
   Fail: (188) [system] 'N'=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x563acd73bee0), 'N', _506558)
^  Call: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), _542068)
   Call: (190) [system] peek_char((0x563acd73bee0), _543002)
   Exit: (190) [system] peek_char((0x563acd73bee0), a)
^  Call: (190) [user] is_delimiter(a)
   Call: (191) [system] char_type(a, space)
   Fail: (191) [system] char_type(a, space)
   Call: (191) [system] arg(_547722, v('(', ')', end_of_file), a)
   Fail: (191) [system] arg(_548654, v('(', ')', end_of_file), a)
^  Fail: (190) [user] is_delimiter(a)
   Call: (190) [system] ')'==a
   Fail: (190) [system] ')'==a
   Call: (190) [system] get_char((0x563acd73bee0), a)
   Exit: (190) [system] get_char((0x563acd73bee0), a)
   Call: (190) [system] a=(\)
   Fail: (190) [system] a=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), _556004)
   Call: (191) [system] peek_char((0x563acd73bee0), _556938)
   Exit: (191) [system] peek_char((0x563acd73bee0), t)
^  Call: (191) [user] is_delimiter(t)
   Call: (192) [system] char_type(t, space)
   Fail: (192) [system] char_type(t, space)
   Call: (192) [system] arg(_561658, v('(', ')', end_of_file), t)
   Fail: (192) [system] arg(_562590, v('(', ')', end_of_file), t)
^  Fail: (191) [user] is_delimiter(t)
   Call: (191) [system] ')'==t
   Fail: (191) [system] ')'==t
   Call: (191) [system] get_char((0x563acd73bee0), t)
   Exit: (191) [system] get_char((0x563acd73bee0), t)
   Call: (191) [system] t=(\)
   Fail: (191) [system] t=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), _569940)
   Call: (192) [system] peek_char((0x563acd73bee0), _570874)
   Exit: (192) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _569940=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (191) [system] _556004=[t]
   Exit: (191) [system] [t]=[t]
^  Exit: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), [t])
   Call: (190) [system] _542068=[a, t]
   Exit: (190) [system] [a, t]=[a, t]
^  Exit: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t])
^  Call: (189) [user] classify_and_convert_charseq(['N', a, t], _506558)
^  Call: (190) [user] classify_and_convert_charseq_(['N', a, t], _585746)
^  Call: (192) [system] setup_call_cleanup('$notrace'(_586698, _586700), once(user:catch(read_from_chars(['N', a, t], _585746), _586680, fail)), '$restore_trace'(_586698, _586700))
^  Call: (193) [system] sig_atomic(system:'$notrace'(_586698, _586700))
^  Exit: (192) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['N', a, t], _585746), _586680, fail)), system:'$restore_trace'(3, -1))
   Call: (191) [system] atomic(_585746)
   Fail: (191) [system] atomic(_585746)
   Call: (191) [system] atom_chars(_585746, ['N', a, t])
   Exit: (191) [system] atom_chars('Nat', ['N', a, t])
^  Exit: (190) [user] classify_and_convert_charseq_(['N', a, t], 'Nat')
   Call: (190) [system] integer('Nat')
   Fail: (190) [system] integer('Nat')
   Call: (190) [system] _506558='Nat'
   Exit: (190) [system] 'Nat'='Nat'
^  Exit: (189) [user] classify_and_convert_charseq(['N', a, t], 'Nat')
^  Exit: (188) [user] read_symbolic(')', (0x563acd73bee0), 'N', 'Nat')
^  Exit: (187) [user] cont_sexpr(')', (0x563acd73bee0), 'Nat')
^  Call: (187) [user] read_list(')', (0x563acd73bee0), _600696)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _602554)
   Exit: (189) [system] peek_char((0x563acd73bee0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x563acd73bee0), _612148)
   Exit: (189) [system] get_char((0x563acd73bee0), ' ')
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _614852)
   Exit: (190) [system] peek_char((0x563acd73bee0), 'N')
   Call: (190) [system] 'N'=(;)
   Fail: (190) [system] 'N'=(;)
   Call: (190) [system] 'N'=(/)
   Fail: (190) [system] 'N'=(/)
^  Call: (190) [user] is_like_space('N')
   Call: (191) [system] char_type('N', 'white')
   Fail: (191) [system] char_type('N', 'white')
   Call: (191) [system] char_type('N', end_of_line)
   Fail: (191) [system] char_type('N', end_of_line)
   Call: (191) [system] char_type('N', space)
   Fail: (191) [system] char_type('N', space)
   Call: (191) [system] char_type('N', cntrl)
   Fail: (191) [system] char_type('N', cntrl)
^  Fail: (190) [user] is_like_space('N')
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _631786)
   Exit: (188) [system] peek_char((0x563acd73bee0), 'N')
   Call: (188) [system] 'N'=')'
   Fail: (188) [system] 'N'=')'
   Call: (188) [system] 'N'=end_of_file
   Fail: (188) [system] 'N'=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x563acd73bee0), _637356)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _639214)
   Exit: (190) [system] peek_char((0x563acd73bee0), 'N')
   Call: (190) [system] 'N'=(;)
   Fail: (190) [system] 'N'=(;)
   Call: (190) [system] 'N'=(/)
   Fail: (190) [system] 'N'=(/)
^  Call: (190) [user] is_like_space('N')
   Call: (191) [system] char_type('N', 'white')
   Fail: (191) [system] char_type('N', 'white')
   Call: (191) [system] char_type('N', end_of_line)
   Fail: (191) [system] char_type('N', end_of_line)
   Call: (191) [system] char_type('N', space)
   Fail: (191) [system] char_type('N', space)
   Call: (191) [system] char_type('N', cntrl)
   Fail: (191) [system] char_type('N', cntrl)
^  Fail: (190) [user] is_like_space('N')
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] get_char((0x563acd73bee0), _655224)
   Exit: (189) [system] get_char((0x563acd73bee0), 'N')
   Call: (189) [system] 'N'='('
   Fail: (189) [system] 'N'='('
   Call: (189) [system] 'N'='['
   Fail: (189) [system] 'N'='['
   Call: (189) [system] 'N'='{'
   Fail: (189) [system] 'N'='{'
   Call: (189) [system] 'N'='"'
   Fail: (189) [system] 'N'='"'
   Call: (189) [system] 'N'=!
   Fail: (189) [system] 'N'=!
   Call: (189) [system] 'N'='\''
   Fail: (189) [system] 'N'='\''
   Call: (189) [system] 'N'='`'
   Fail: (189) [system] 'N'='`'
   Call: (189) [system] 'N'=end_of_file
   Fail: (189) [system] 'N'=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x563acd73bee0), 'N', _637356)
^  Call: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), _672866)
   Call: (191) [system] peek_char((0x563acd73bee0), _673800)
   Exit: (191) [system] peek_char((0x563acd73bee0), a)
^  Call: (191) [user] is_delimiter(a)
   Call: (192) [system] char_type(a, space)
   Fail: (192) [system] char_type(a, space)
   Call: (192) [system] arg(_678520, v('(', ')', end_of_file), a)
   Fail: (192) [system] arg(_679452, v('(', ')', end_of_file), a)
^  Fail: (191) [user] is_delimiter(a)
   Call: (191) [system] ')'==a
   Fail: (191) [system] ')'==a
   Call: (191) [system] get_char((0x563acd73bee0), a)
   Exit: (191) [system] get_char((0x563acd73bee0), a)
   Call: (191) [system] a=(\)
   Fail: (191) [system] a=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), _686802)
   Call: (192) [system] peek_char((0x563acd73bee0), _687736)
   Exit: (192) [system] peek_char((0x563acd73bee0), t)
^  Call: (192) [user] is_delimiter(t)
   Call: (193) [system] char_type(t, space)
   Fail: (193) [system] char_type(t, space)
   Call: (193) [system] arg(_692456, v('(', ')', end_of_file), t)
   Fail: (193) [system] arg(_693388, v('(', ')', end_of_file), t)
^  Fail: (192) [user] is_delimiter(t)
   Call: (192) [system] ')'==t
   Fail: (192) [system] ')'==t
   Call: (192) [system] get_char((0x563acd73bee0), t)
   Exit: (192) [system] get_char((0x563acd73bee0), t)
   Call: (192) [system] t=(\)
   Fail: (192) [system] t=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), _700738)
   Call: (193) [system] peek_char((0x563acd73bee0), _701672)
   Exit: (193) [system] peek_char((0x563acd73bee0), ')')
^  Call: (193) [user] is_delimiter(')')
   Call: (194) [system] char_type(')', space)
   Fail: (194) [system] char_type(')', space)
   Call: (194) [system] arg(_706392, v('(', ')', end_of_file), ')')
   Exit: (194) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (193) [user] is_delimiter(')')
   Call: (193) [system] _700738=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (192) [system] _686802=[t]
   Exit: (192) [system] [t]=[t]
^  Exit: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), [t])
   Call: (191) [system] _672866=[a, t]
   Exit: (191) [system] [a, t]=[a, t]
^  Exit: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t])
^  Call: (190) [user] classify_and_convert_charseq(['N', a, t], _637356)
^  Call: (191) [user] classify_and_convert_charseq_(['N', a, t], _718416)
^  Call: (193) [system] setup_call_cleanup('$notrace'(_719368, _719370), once(user:catch(read_from_chars(['N', a, t], _718416), _719350, fail)), '$restore_trace'(_719368, _719370))
^  Call: (194) [system] sig_atomic(system:'$notrace'(_719368, _719370))
^  Exit: (193) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['N', a, t], _718416), _719350, fail)), system:'$restore_trace'(3, -1))
   Call: (192) [system] atomic(_718416)
   Fail: (192) [system] atomic(_718416)
   Call: (192) [system] atom_chars(_718416, ['N', a, t])
   Exit: (192) [system] atom_chars('Nat', ['N', a, t])
^  Exit: (191) [user] classify_and_convert_charseq_(['N', a, t], 'Nat')
   Call: (191) [system] integer('Nat')
   Fail: (191) [system] integer('Nat')
   Call: (191) [system] _637356='Nat'
   Exit: (191) [system] 'Nat'='Nat'
^  Exit: (190) [user] classify_and_convert_charseq(['N', a, t], 'Nat')
^  Exit: (189) [user] read_symbolic(')', (0x563acd73bee0), 'N', 'Nat')
^  Exit: (188) [user] cont_sexpr(')', (0x563acd73bee0), 'Nat')
^  Call: (188) [user] read_list(')', (0x563acd73bee0), _733366)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _735224)
   Exit: (190) [system] peek_char((0x563acd73bee0), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
   Call: (190) [system] ')'=(/)
   Fail: (190) [system] ')'=(/)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _751234)
   Exit: (189) [system] peek_char((0x563acd73bee0), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x563acd73bee0), _755024)
   Exit: (189) [system] get_char((0x563acd73bee0), ')')
   Call: (189) [system] _733366=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x563acd73bee0), [])
   Call: (188) [system] _600696=['Nat']
   Exit: (188) [system] ['Nat']=['Nat']
^  Exit: (187) [user] read_list(')', (0x563acd73bee0), ['Nat'])
   Call: (187) [system] _469898=['Nat', 'Nat']
   Exit: (187) [system] ['Nat', 'Nat']=['Nat', 'Nat']
^  Exit: (186) [user] read_list(')', (0x563acd73bee0), ['Nat', 'Nat'])
   Call: (186) [system] _349342=[->, 'Nat', 'Nat']
   Exit: (186) [system] [->, 'Nat', 'Nat']=[->, 'Nat', 'Nat']
^  Exit: (185) [user] read_list(')', (0x563acd73bee0), [->, 'Nat', 'Nat'])
^  Exit: (184) [user] cont_sexpr(')', (0x563acd73bee0), [->, 'Nat', 'Nat'])
^  Call: (184) [user] read_list(')', (0x563acd73bee0), _768906)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _770764)
   Exit: (186) [system] peek_char((0x563acd73bee0), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
   Call: (186) [system] ')'=(/)
   Fail: (186) [system] ')'=(/)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _786774)
   Exit: (185) [system] peek_char((0x563acd73bee0), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x563acd73bee0), _790564)
   Exit: (185) [system] get_char((0x563acd73bee0), ')')
   Call: (185) [system] _768906=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x563acd73bee0), [])
   Call: (184) [system] _312682=[[->, 'Nat', 'Nat']]
   Exit: (184) [system] [[->, 'Nat', 'Nat']]=[[->, 'Nat', 'Nat']]
^  Exit: (183) [user] read_list(')', (0x563acd73bee0), [[->, 'Nat', 'Nat']])
   Call: (183) [system] _215344=['S', [->, 'Nat', 'Nat']]
   Exit: (183) [system] ['S', [->, 'Nat', 'Nat']]=['S', [->, 'Nat', 'Nat']]
^  Exit: (182) [user] read_list(')', (0x563acd73bee0), ['S', [->, 'Nat', 'Nat']])
   Call: (182) [system] _78042=[:, 'S', [->, 'Nat', 'Nat']]
   Exit: (182) [system] [:, 'S', [->, 'Nat', 'Nat']]=[:, 'S', [->, 'Nat', 'Nat']]
^  Exit: (181) [user] read_list(')', (0x563acd73bee0), [:, 'S', [->, 'Nat', 'Nat']])
^  Exit: (180) [user] cont_sexpr(')', (0x563acd73bee0), [:, 'S', [->, 'Nat', 'Nat']])
^  Exit: (179) [user] read_sexpr((0x563acd73bee0), [:, 'S', [->, 'Nat', 'Nat']])
^  Call: (179) [user] assertz(metta_file_comment(16, 0, 347, [:, 'S', [->, 'Nat', 'Nat']], '$stream_position'(347, 16, 0, 347)))
^  Exit: (179) [user] assertz(metta_file_comment(16, 0, 347, [:, 'S', [->, 'Nat', 'Nat']], '$stream_position'(347, 16, 0, 347)))
^  Exit: (177) [system] once(user:(read_position((0x563acd73bee0), 16, 0, 347, '$stream_position'(347, 16, 0, 347)), read_sexpr((0x563acd73bee0), [:, 'S', [->, 'Nat', 'Nat']]), assertz(metta_file_comment(16, 0, 347, [:, 'S', [->, 'Nat', 'Nat']], '$stream_position'(347, 16, 0, 347)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_809082, _809084, _809086, _809088, _809090))
^  Exit: (177) [user] retract(metta_file_comment(36, 0, 1098, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$stream_position'(1098, 36, 0, 1098)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _811930))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _811930)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _811930)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _814746))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _814746))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _814746)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _817546))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _817546)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _817546)
   Call: (187) [system] var('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
   Call: (187) [system] atom('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
   Call: (187) [system] '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)==true
   Call: (187) [system] '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)==false
   Call: (187) [system] '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)==[_824066, _824072]
   Call: (187) [system] is_list('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
   Call: (187) [system] string('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
   Call: (187) [system] compound('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
   Exit: (187) [system] compound('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _828700, _828702)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT', [";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0], _832442)
   Call: (188) [apply] apply:maplist_([";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0], _832442, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", _834322)
   Call: (190) [system] var(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (190) [system] atom(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (190) [system] ";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE)."==true
   Call: (190) [system] ";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE)."==false
   Call: (190) [system] ";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE)."==[_838964, _838970]
   Call: (190) [system] is_list(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (190) [system] string(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Exit: (190) [system] string(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
^  Call: (190) [user] symbol(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (191) [system] atom(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Fail: (191) [system] atom(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
^  Fail: (190) [user] symbol(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (190) [system] ";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE)."=_834322
   Exit: (190) [system] ";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE)."=";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE)."
^  Exit: (189) [user] mfix_vars1(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", ";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (189) [apply] apply:maplist_([36, 0], _834324, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(36, _852844)
   Call: (191) [system] var(36)
   Call: (191) [system] atom(36)
   Call: (191) [system] 36==true
   Call: (191) [system] 36==false
   Call: (191) [system] 36==[_857486, _857492]
   Call: (191) [system] is_list(36)
   Call: (191) [system] string(36)
   Call: (191) [system] compound(36)
^  Call: (191) [user] symbol(36)
   Call: (192) [system] atom(36)
   Fail: (192) [system] atom(36)
^  Fail: (191) [user] symbol(36)
   Call: (191) [system] 36=_852844
   Exit: (191) [system] 36=36
^  Exit: (190) [user] mfix_vars1(36, 36)
   Call: (190) [apply] apply:maplist_([0], _852846, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _868610)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_873252, _873258]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_868610
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _868612, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([36, 0], [36, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0], [";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0], [";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0])
   Call: (187) [system] compound_name_arguments(_817546, '$COMMENT', [";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT', [";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)))
   Call: (184) [system] '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)\=@='$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _897428))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _897428))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _897428)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _900228))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _900228)
^  Call: (186) [user] cons_to_c('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _900228)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)))
   Call: (184) [system] '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)\=@='$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _811930))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _811930))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _811930)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _914186))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _914186)
^  Call: (186) [user] cons_to_l('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _914186)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)))
   Call: (184) [system] '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)\=@='$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)))
   Call: (178) [system] '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)\=@='$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
^  Exit: (171) [user] read_sform((0x563acd73bee0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
^  Exit: (170) [system] once(user:read_sform((0x563acd73bee0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x563acd73bee0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)))
   Call: (169) [system] '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1727204587.625688), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204587.625688), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)), 15]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), ynthesize_long_1727204587_629323, 15)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1727204587.625688), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204587.625688), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)), 15]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1727204587.980606)
   Call: (173) [system] arg(1, t(1727204587.625688), _3148)
   Exit: (173) [system] arg(1, t(1727204587.625688), 1727204587.625688)
   Call: (173) [system] _3158 is 1727204587.980606-1727204587.625688
   Exit: (173) [system] 0.3549180030822754 is 1727204587.980606-1727204587.625688
   Call: (173) [system] 0.3549180030822754>4
   Fail: (173) [system] 0.3549180030822754>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1727204587.625688), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204587.625688), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)), 15]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 2)
   Call: (175) [system] atom(2+1)
   Call: (175) [system] set_flag(translated_forms, 3)
   Exit: (175) [system] set_flag(translated_forms, 3)
   Exit: (174) [$syspreds] update_flag(translated_forms, 2, 2+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 2, 2+1))
   Exit: (171) [$syspreds] flag(translated_forms, 2, 2+1)
^  Call: (171) [user] write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), ynthesize_long_1727204587_629323, 15)
^  Call: (172) [user] format((0x563acd7397e0), "/* ~w */~n", [";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE)."])
^  Exit: (172) [user] format((0x563acd7397e0), "/* ~w */~n", [";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE)."])
^  Exit: (171) [user] write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), ynthesize_long_1727204587_629323, 15)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1727204587.625688), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204587.625688), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)), 15]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 2, 2+1), write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), ynthesize_long_1727204587_629323, 15)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x563acd73bee0))
   Fail: (169) [system] at_end_of_stream((0x563acd73bee0))
^  Call: (169) [user] must_det_ll(line_count((0x563acd73bee0), _3074))
^  Call: (170) [user] once(user:line_count((0x563acd73bee0), _3074))
   Call: (171) [system] line_count((0x563acd73bee0), _3074)
   Exit: (171) [system] line_count((0x563acd73bee0), 16)
^  Exit: (170) [system] once(user:line_count((0x563acd73bee0), 16))
^  Exit: (169) [user] must_det_ll(user:line_count((0x563acd73bee0), 16))
^  Call: (169) [user] must_det_ll(read_sform((0x563acd73bee0), _3084))
^  Call: (170) [user] once(user:read_sform((0x563acd73bee0), _3084))
^  Call: (171) [user] read_sform((0x563acd73bee0), _3084)
   Call: (172) [system] string((0x563acd73bee0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
   Call: (173) [system] string((0x563acd73bee0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), _3084)
   Call: (174) [system] at_end_of_stream((0x563acd73bee0))
   Call: (174) [system] peek_char((0x563acd73bee0), _988970)
   Exit: (174) [system] peek_char((0x563acd73bee0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x563acd73bee0), '\n')
   Exit: (174) [system] get_char((0x563acd73bee0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x563acd73bee0), _3084)
   Call: (175) [system] at_end_of_stream((0x563acd73bee0))
   Call: (175) [system] peek_char((0x563acd73bee0), _996392)
   Exit: (175) [system] peek_char((0x563acd73bee0), '\n')
   Call: (175) [system] char_type('\n', space)
   Exit: (175) [system] char_type('\n', space)
   Call: (175) [system] get_char((0x563acd73bee0), '\n')
   Exit: (175) [system] get_char((0x563acd73bee0), '\n')
^  Call: (175) [user] parse_sexpr_metta_IO((0x563acd73bee0), _3084)
   Call: (176) [system] at_end_of_stream((0x563acd73bee0))
   Call: (176) [system] peek_char((0x563acd73bee0), _1003814)
   Exit: (176) [system] peek_char((0x563acd73bee0), ;)
   Call: (176) [system] char_type(;, space)
^  Call: (176) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
   Call: (177) [system] string((0x563acd73bee0))
^  Exit: (176) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
^  Call: (176) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), _3084)
^  Call: (177) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), _3084)
   Call: (178) [system] at_end_of_stream((0x563acd73bee0))
   Call: (178) [system] peek_char((0x563acd73bee0), _1012152)
   Exit: (178) [system] peek_char((0x563acd73bee0), ;)
   Call: (178) [system] char_type(;, space)
   Call: (178) [system] _1014938=(0x563acd73bee0)
   Exit: (178) [system] (0x563acd73bee0)=(0x563acd73bee0)
^  Call: (178) [user] once((read_position((0x563acd73bee0), _1016806, _1016808, _1016810, _1016812), read_sexpr((0x563acd73bee0), _1016824), assertz(metta_file_comment(_1016806, _1016808, _1016810, _1016824, _1016812))))
^  Call: (180) [user] read_position((0x563acd73bee0), _1016806, _1016808, _1016810, _1016812)
   Call: (181) [system] stream_property((0x563acd73bee0), position(_1016812))
   Call: (182) [system] nonvar((0x563acd73bee0))
   Exit: (182) [system] nonvar((0x563acd73bee0))
   Call: (182) [system] nonvar(position(_1016812))
   Exit: (182) [system] nonvar(position(_1016812))
   Exit: (181) [system] stream_property((0x563acd73bee0), position('$stream_position'(367, 18, 0, 367)))
   Call: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(367, 18, 0, 367), _1016806)
   Call: (182) [system] nonvar(line_count)
   Exit: (182) [system] nonvar(line_count)
   Call: (182) [$syspreds] stream_position_field(line_count, _1027064)
   Exit: (182) [$syspreds] stream_position_field(line_count, 2)
   Call: (182) [system] arg(2, '$stream_position'(367, 18, 0, 367), _1016806)
   Exit: (182) [system] arg(2, '$stream_position'(367, 18, 0, 367), 18)
   Exit: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(367, 18, 0, 367), 18)
   Call: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(367, 18, 0, 367), _1016808)
   Call: (182) [system] nonvar(line_position)
   Exit: (182) [system] nonvar(line_position)
   Call: (182) [$syspreds] stream_position_field(line_position, _1034498)
   Exit: (182) [$syspreds] stream_position_field(line_position, 3)
   Call: (182) [system] arg(3, '$stream_position'(367, 18, 0, 367), _1016808)
   Exit: (182) [system] arg(3, '$stream_position'(367, 18, 0, 367), 0)
   Exit: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(367, 18, 0, 367), 0)
   Call: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(367, 18, 0, 367), _1016810)
   Call: (182) [system] nonvar(char_count)
   Exit: (182) [system] nonvar(char_count)
   Call: (182) [$syspreds] stream_position_field(char_count, _1041932)
   Exit: (182) [$syspreds] stream_position_field(char_count, 1)
   Call: (182) [system] arg(1, '$stream_position'(367, 18, 0, 367), _1016810)
   Exit: (182) [system] arg(1, '$stream_position'(367, 18, 0, 367), 367)
   Exit: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(367, 18, 0, 367), 367)
^  Exit: (180) [user] read_position((0x563acd73bee0), 18, 0, 367, '$stream_position'(367, 18, 0, 367))
^  Call: (180) [user] read_sexpr((0x563acd73bee0), _1016824)
   Call: (181) [system] string((0x563acd73bee0))
   Fail: (181) [system] string((0x563acd73bee0))
^  Call: (181) [user] cont_sexpr(')', (0x563acd73bee0), _1016824)
^  Call: (182) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] peek_char((0x563acd73bee0), _1052158)
   Exit: (183) [system] peek_char((0x563acd73bee0), ;)
   Call: (183) [system] (;)=(;)
   Exit: (183) [system] (;)=(;)
^  Call: (183) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (184) [user] read_position((0x563acd73bee0), _1056796, _1056798, _1056800, _1056802)
   Call: (185) [system] stream_property((0x563acd73bee0), position(_1056802))
   Call: (186) [system] nonvar((0x563acd73bee0))
   Exit: (186) [system] nonvar((0x563acd73bee0))
   Call: (186) [system] nonvar(position(_1056802))
   Exit: (186) [system] nonvar(position(_1056802))
   Exit: (185) [system] stream_property((0x563acd73bee0), position('$stream_position'(367, 18, 0, 367)))
   Call: (185) [$syspreds] stream_position_data(line_count, '$stream_position'(367, 18, 0, 367), _1056796)
   Call: (186) [system] nonvar(line_count)
   Exit: (186) [system] nonvar(line_count)
   Call: (186) [$syspreds] stream_position_field(line_count, _1066090)
   Exit: (186) [$syspreds] stream_position_field(line_count, 2)
   Call: (186) [system] arg(2, '$stream_position'(367, 18, 0, 367), _1056796)
   Exit: (186) [system] arg(2, '$stream_position'(367, 18, 0, 367), 18)
   Exit: (185) [$syspreds] stream_position_data(line_count, '$stream_position'(367, 18, 0, 367), 18)
   Call: (185) [$syspreds] stream_position_data(line_position, '$stream_position'(367, 18, 0, 367), _1056798)
   Call: (186) [system] nonvar(line_position)
   Exit: (186) [system] nonvar(line_position)
   Call: (186) [$syspreds] stream_position_field(line_position, _1073524)
   Exit: (186) [$syspreds] stream_position_field(line_position, 3)
   Call: (186) [system] arg(3, '$stream_position'(367, 18, 0, 367), _1056798)
   Exit: (186) [system] arg(3, '$stream_position'(367, 18, 0, 367), 0)
   Exit: (185) [$syspreds] stream_position_data(line_position, '$stream_position'(367, 18, 0, 367), 0)
   Call: (185) [$syspreds] stream_position_data(char_count, '$stream_position'(367, 18, 0, 367), _1056800)
   Call: (186) [system] nonvar(char_count)
   Exit: (186) [system] nonvar(char_count)
   Call: (186) [$syspreds] stream_position_field(char_count, _1080958)
   Exit: (186) [$syspreds] stream_position_field(char_count, 1)
   Call: (186) [system] arg(1, '$stream_position'(367, 18, 0, 367), _1056800)
   Exit: (186) [system] arg(1, '$stream_position'(367, 18, 0, 367), 367)
   Exit: (185) [$syspreds] stream_position_data(char_count, '$stream_position'(367, 18, 0, 367), 367)
^  Exit: (184) [user] read_position((0x563acd73bee0), 18, 0, 367, '$stream_position'(367, 18, 0, 367))
   Call: (184) [read_util] read_util:read_line_to_string((0x563acd73bee0), _1086552)
   Call: (185) [system] read_string((0x563acd73bee0), '\n', '\r', _1087482, _1087484)
   Exit: (185) [system] read_string((0x563acd73bee0), '\n', '\r', 10, ";; Enumerate all programs up to a given depth that are consistent with")
   Call: (185) [system] 10\== -1
   Exit: (185) [system] 10\== -1
   Call: (185) [system] _1086552=";; Enumerate all programs up to a given depth that are consistent with"
   Exit: (185) [system] ";; Enumerate all programs up to a given depth that are consistent with"=";; Enumerate all programs up to a given depth that are consistent with"
   Exit: (184) [read_util] read_util:read_line_to_string((0x563acd73bee0), ";; Enumerate all programs up to a given depth that are consistent with")
^  Call: (184) [user] assertz(metta_file_comment(18, 0, 367, '$COMMENT'(";; Enumerate all programs up to a given depth that are consistent with", 18, 0), '$stream_position'(367, 18, 0, 367)))
^  Exit: (184) [user] assertz(metta_file_comment(18, 0, 367, '$COMMENT'(";; Enumerate all programs up to a given depth that are consistent with", 18, 0), '$stream_position'(367, 18, 0, 367)))
^  Exit: (183) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _1097756)
   Exit: (184) [system] peek_char((0x563acd73bee0), ;)
   Call: (184) [system] (;)=(;)
   Exit: (184) [system] (;)=(;)
^  Call: (184) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (185) [user] read_position((0x563acd73bee0), _1102394, _1102396, _1102398, _1102400)
   Call: (186) [system] stream_property((0x563acd73bee0), position(_1102400))
   Call: (187) [system] nonvar((0x563acd73bee0))
   Exit: (187) [system] nonvar((0x563acd73bee0))
   Call: (187) [system] nonvar(position(_1102400))
   Exit: (187) [system] nonvar(position(_1102400))
   Exit: (186) [system] stream_property((0x563acd73bee0), position('$stream_position'(438, 19, 0, 438)))
   Call: (186) [$syspreds] stream_position_data(line_count, '$stream_position'(438, 19, 0, 438), _1102394)
   Call: (187) [system] nonvar(line_count)
   Exit: (187) [system] nonvar(line_count)
   Call: (187) [$syspreds] stream_position_field(line_count, _1111688)
   Exit: (187) [$syspreds] stream_position_field(line_count, 2)
   Call: (187) [system] arg(2, '$stream_position'(438, 19, 0, 438), _1102394)
   Exit: (187) [system] arg(2, '$stream_position'(438, 19, 0, 438), 19)
   Exit: (186) [$syspreds] stream_position_data(line_count, '$stream_position'(438, 19, 0, 438), 19)
   Call: (186) [$syspreds] stream_position_data(line_position, '$stream_position'(438, 19, 0, 438), _1102396)
   Call: (187) [system] nonvar(line_position)
   Exit: (187) [system] nonvar(line_position)
   Call: (187) [$syspreds] stream_position_field(line_position, _1119122)
   Exit: (187) [$syspreds] stream_position_field(line_position, 3)
   Call: (187) [system] arg(3, '$stream_position'(438, 19, 0, 438), _1102396)
   Exit: (187) [system] arg(3, '$stream_position'(438, 19, 0, 438), 0)
   Exit: (186) [$syspreds] stream_position_data(line_position, '$stream_position'(438, 19, 0, 438), 0)
   Call: (186) [$syspreds] stream_position_data(char_count, '$stream_position'(438, 19, 0, 438), _1102398)
   Call: (187) [system] nonvar(char_count)
   Exit: (187) [system] nonvar(char_count)
   Call: (187) [$syspreds] stream_position_field(char_count, _1126556)
   Exit: (187) [$syspreds] stream_position_field(char_count, 1)
   Call: (187) [system] arg(1, '$stream_position'(438, 19, 0, 438), _1102398)
   Exit: (187) [system] arg(1, '$stream_position'(438, 19, 0, 438), 438)
   Exit: (186) [$syspreds] stream_position_data(char_count, '$stream_position'(438, 19, 0, 438), 438)
^  Exit: (185) [user] read_position((0x563acd73bee0), 19, 0, 438, '$stream_position'(438, 19, 0, 438))
   Call: (185) [read_util] read_util:read_line_to_string((0x563acd73bee0), _1132150)
   Call: (186) [system] read_string((0x563acd73bee0), '\n', '\r', _1133080, _1133082)
   Exit: (186) [system] read_string((0x563acd73bee0), '\n', '\r', 10, ";; the query")
   Call: (186) [system] 10\== -1
   Exit: (186) [system] 10\== -1
   Call: (186) [system] _1132150=";; the query"
   Exit: (186) [system] ";; the query"=";; the query"
   Exit: (185) [read_util] read_util:read_line_to_string((0x563acd73bee0), ";; the query")
^  Call: (185) [user] assertz(metta_file_comment(19, 0, 438, '$COMMENT'(";; the query", 19, 0), '$stream_position'(438, 19, 0, 438)))
^  Exit: (185) [user] assertz(metta_file_comment(19, 0, 438, '$COMMENT'(";; the query", 19, 0), '$stream_position'(438, 19, 0, 438)))
^  Exit: (184) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _1143340)
   Exit: (185) [system] peek_char((0x563acd73bee0), ;)
   Call: (185) [system] (;)=(;)
   Exit: (185) [system] (;)=(;)
^  Call: (185) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (186) [user] read_position((0x563acd73bee0), _1147978, _1147980, _1147982, _1147984)
   Call: (187) [system] stream_property((0x563acd73bee0), position(_1147984))
   Call: (188) [system] nonvar((0x563acd73bee0))
   Exit: (188) [system] nonvar((0x563acd73bee0))
   Call: (188) [system] nonvar(position(_1147984))
   Exit: (188) [system] nonvar(position(_1147984))
   Exit: (187) [system] stream_property((0x563acd73bee0), position('$stream_position'(451, 20, 0, 451)))
   Call: (187) [$syspreds] stream_position_data(line_count, '$stream_position'(451, 20, 0, 451), _1147978)
   Call: (188) [system] nonvar(line_count)
   Exit: (188) [system] nonvar(line_count)
   Call: (188) [$syspreds] stream_position_field(line_count, _1157272)
   Exit: (188) [$syspreds] stream_position_field(line_count, 2)
   Call: (188) [system] arg(2, '$stream_position'(451, 20, 0, 451), _1147978)
   Exit: (188) [system] arg(2, '$stream_position'(451, 20, 0, 451), 20)
   Exit: (187) [$syspreds] stream_position_data(line_count, '$stream_position'(451, 20, 0, 451), 20)
   Call: (187) [$syspreds] stream_position_data(line_position, '$stream_position'(451, 20, 0, 451), _1147980)
   Call: (188) [system] nonvar(line_position)
   Exit: (188) [system] nonvar(line_position)
   Call: (188) [$syspreds] stream_position_field(line_position, _1164706)
   Exit: (188) [$syspreds] stream_position_field(line_position, 3)
   Call: (188) [system] arg(3, '$stream_position'(451, 20, 0, 451), _1147980)
   Exit: (188) [system] arg(3, '$stream_position'(451, 20, 0, 451), 0)
   Exit: (187) [$syspreds] stream_position_data(line_position, '$stream_position'(451, 20, 0, 451), 0)
   Call: (187) [$syspreds] stream_position_data(char_count, '$stream_position'(451, 20, 0, 451), _1147982)
   Call: (188) [system] nonvar(char_count)
   Exit: (188) [system] nonvar(char_count)
   Call: (188) [$syspreds] stream_position_field(char_count, _1172140)
   Exit: (188) [$syspreds] stream_position_field(char_count, 1)
   Call: (188) [system] arg(1, '$stream_position'(451, 20, 0, 451), _1147982)
   Exit: (188) [system] arg(1, '$stream_position'(451, 20, 0, 451), 451)
   Exit: (187) [$syspreds] stream_position_data(char_count, '$stream_position'(451, 20, 0, 451), 451)
^  Exit: (186) [user] read_position((0x563acd73bee0), 20, 0, 451, '$stream_position'(451, 20, 0, 451))
   Call: (186) [read_util] read_util:read_line_to_string((0x563acd73bee0), _1177734)
   Call: (187) [system] read_string((0x563acd73bee0), '\n', '\r', _1178664, _1178666)
   Exit: (187) [system] read_string((0x563acd73bee0), '\n', '\r', 10, ";;\t\t using the given axiom non-deterministic functions and rules.")
   Call: (187) [system] 10\== -1
   Exit: (187) [system] 10\== -1
   Call: (187) [system] _1177734=";;\t\t using the given axiom non-deterministic functions and rules."
   Exit: (187) [system] ";;\t\t using the given axiom non-deterministic functions and rules."=";;\t\t using the given axiom non-deterministic functions and rules."
   Exit: (186) [read_util] read_util:read_line_to_string((0x563acd73bee0), ";;\t\t using the given axiom non-deterministic functions and rules.")
^  Call: (186) [user] assertz(metta_file_comment(20, 0, 451, '$COMMENT'(";;\t\t using the given axiom non-deterministic functions and rules.", 20, 0), '$stream_position'(451, 20, 0, 451)))
^  Exit: (186) [user] assertz(metta_file_comment(20, 0, 451, '$COMMENT'(";;\t\t using the given axiom non-deterministic functions and rules.", 20, 0), '$stream_position'(451, 20, 0, 451)))
^  Exit: (185) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1188938)
   Exit: (186) [system] peek_char((0x563acd73bee0), ;)
   Call: (186) [system] (;)=(;)
   Exit: (186) [system] (;)=(;)
^  Call: (186) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (187) [user] read_position((0x563acd73bee0), _1193576, _1193578, _1193580, _1193582)
   Call: (188) [system] stream_property((0x563acd73bee0), position(_1193582))
   Call: (189) [system] nonvar((0x563acd73bee0))
   Exit: (189) [system] nonvar((0x563acd73bee0))
   Call: (189) [system] nonvar(position(_1193582))
   Exit: (189) [system] nonvar(position(_1193582))
   Exit: (188) [system] stream_property((0x563acd73bee0), position('$stream_position'(517, 21, 0, 517)))
   Call: (188) [$syspreds] stream_position_data(line_count, '$stream_position'(517, 21, 0, 517), _1193576)
   Call: (189) [system] nonvar(line_count)
   Exit: (189) [system] nonvar(line_count)
   Call: (189) [$syspreds] stream_position_field(line_count, _1202870)
   Exit: (189) [$syspreds] stream_position_field(line_count, 2)
   Call: (189) [system] arg(2, '$stream_position'(517, 21, 0, 517), _1193576)
   Exit: (189) [system] arg(2, '$stream_position'(517, 21, 0, 517), 21)
   Exit: (188) [$syspreds] stream_position_data(line_count, '$stream_position'(517, 21, 0, 517), 21)
   Call: (188) [$syspreds] stream_position_data(line_position, '$stream_position'(517, 21, 0, 517), _1193578)
   Call: (189) [system] nonvar(line_position)
   Exit: (189) [system] nonvar(line_position)
   Call: (189) [$syspreds] stream_position_field(line_position, _1210304)
   Exit: (189) [$syspreds] stream_position_field(line_position, 3)
   Call: (189) [system] arg(3, '$stream_position'(517, 21, 0, 517), _1193578)
   Exit: (189) [system] arg(3, '$stream_position'(517, 21, 0, 517), 0)
   Exit: (188) [$syspreds] stream_position_data(line_position, '$stream_position'(517, 21, 0, 517), 0)
   Call: (188) [$syspreds] stream_position_data(char_count, '$stream_position'(517, 21, 0, 517), _1193580)
   Call: (189) [system] nonvar(char_count)
   Exit: (189) [system] nonvar(char_count)
   Call: (189) [$syspreds] stream_position_field(char_count, _1217738)
   Exit: (189) [$syspreds] stream_position_field(char_count, 1)
   Call: (189) [system] arg(1, '$stream_position'(517, 21, 0, 517), _1193580)
   Exit: (189) [system] arg(1, '$stream_position'(517, 21, 0, 517), 517)
   Exit: (188) [$syspreds] stream_position_data(char_count, '$stream_position'(517, 21, 0, 517), 517)
^  Exit: (187) [user] read_position((0x563acd73bee0), 21, 0, 517, '$stream_position'(517, 21, 0, 517))
   Call: (187) [read_util] read_util:read_line_to_string((0x563acd73bee0), _1223332)
   Call: (188) [system] read_string((0x563acd73bee0), '\n', '\r', _1224262, _1224264)
   Exit: (188) [system] read_string((0x563acd73bee0), '\n', '\r', 10, ";;")
   Call: (188) [system] 10\== -1
   Exit: (188) [system] 10\== -1
   Call: (188) [system] _1223332=";;"
   Exit: (188) [system] ";;"=";;"
   Exit: (187) [read_util] read_util:read_line_to_string((0x563acd73bee0), ";;")
^  Call: (187) [user] assertz(metta_file_comment(21, 0, 517, '$COMMENT'(";;", 21, 0), '$stream_position'(517, 21, 0, 517)))
^  Exit: (187) [user] assertz(metta_file_comment(21, 0, 517, '$COMMENT'(";;", 21, 0), '$stream_position'(517, 21, 0, 517)))
^  Exit: (186) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _1234520)
   Exit: (187) [system] peek_char((0x563acd73bee0), ;)
   Call: (187) [system] (;)=(;)
   Exit: (187) [system] (;)=(;)
^  Call: (187) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (188) [user] read_position((0x563acd73bee0), _1239158, _1239160, _1239162, _1239164)
   Call: (189) [system] stream_property((0x563acd73bee0), position(_1239164))
   Call: (190) [system] nonvar((0x563acd73bee0))
   Exit: (190) [system] nonvar((0x563acd73bee0))
   Call: (190) [system] nonvar(position(_1239164))
   Exit: (190) [system] nonvar(position(_1239164))
   Exit: (189) [system] stream_property((0x563acd73bee0), position('$stream_position'(520, 22, 0, 520)))
   Call: (189) [$syspreds] stream_position_data(line_count, '$stream_position'(520, 22, 0, 520), _1239158)
   Call: (190) [system] nonvar(line_count)
   Exit: (190) [system] nonvar(line_count)
   Call: (190) [$syspreds] stream_position_field(line_count, _1248452)
   Exit: (190) [$syspreds] stream_position_field(line_count, 2)
   Call: (190) [system] arg(2, '$stream_position'(520, 22, 0, 520), _1239158)
   Exit: (190) [system] arg(2, '$stream_position'(520, 22, 0, 520), 22)
   Exit: (189) [$syspreds] stream_position_data(line_count, '$stream_position'(520, 22, 0, 520), 22)
   Call: (189) [$syspreds] stream_position_data(line_position, '$stream_position'(520, 22, 0, 520), _1239160)
   Call: (190) [system] nonvar(line_position)
   Exit: (190) [system] nonvar(line_position)
   Call: (190) [$syspreds] stream_position_field(line_position, _1255886)
   Exit: (190) [$syspreds] stream_position_field(line_position, 3)
   Call: (190) [system] arg(3, '$stream_position'(520, 22, 0, 520), _1239160)
   Exit: (190) [system] arg(3, '$stream_position'(520, 22, 0, 520), 0)
   Exit: (189) [$syspreds] stream_position_data(line_position, '$stream_position'(520, 22, 0, 520), 0)
   Call: (189) [$syspreds] stream_position_data(char_count, '$stream_position'(520, 22, 0, 520), _1239162)
   Call: (190) [system] nonvar(char_count)
   Exit: (190) [system] nonvar(char_count)
   Call: (190) [$syspreds] stream_position_field(char_count, _1263320)
   Exit: (190) [$syspreds] stream_position_field(char_count, 1)
   Call: (190) [system] arg(1, '$stream_position'(520, 22, 0, 520), _1239162)
   Exit: (190) [system] arg(1, '$stream_position'(520, 22, 0, 520), 520)
   Exit: (189) [$syspreds] stream_position_data(char_count, '$stream_position'(520, 22, 0, 520), 520)
^  Exit: (188) [user] read_position((0x563acd73bee0), 22, 0, 520, '$stream_position'(520, 22, 0, 520))
   Call: (188) [read_util] read_util:read_line_to_string((0x563acd73bee0), _1268914)
   Call: (189) [system] read_string((0x563acd73bee0), '\n', '\r', _1269844, _1269846)
   Exit: (189) [system] read_string((0x563acd73bee0), '\n', '\r', 10, ";; The arguments are:")
   Call: (189) [system] 10\== -1
   Exit: (189) [system] 10\== -1
   Call: (189) [system] _1268914=";; The arguments are:"
   Exit: (189) [system] ";; The arguments are:"=";; The arguments are:"
   Exit: (188) [read_util] read_util:read_line_to_string((0x563acd73bee0), ";; The arguments are:")
^  Call: (188) [user] assertz(metta_file_comment(22, 0, 520, '$COMMENT'(";; The arguments are:", 22, 0), '$stream_position'(520, 22, 0, 520)))
^  Exit: (188) [user] assertz(metta_file_comment(22, 0, 520, '$COMMENT'(";; The arguments are:", 22, 0), '$stream_position'(520, 22, 0, 520)))
^  Exit: (187) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _1280106)
   Exit: (188) [system] peek_char((0x563acd73bee0), ;)
   Call: (188) [system] (;)=(;)
   Exit: (188) [system] (;)=(;)
^  Call: (188) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (189) [user] read_position((0x563acd73bee0), _1284744, _1284746, _1284748, _1284750)
   Call: (190) [system] stream_property((0x563acd73bee0), position(_1284750))
   Call: (191) [system] nonvar((0x563acd73bee0))
   Exit: (191) [system] nonvar((0x563acd73bee0))
   Call: (191) [system] nonvar(position(_1284750))
   Exit: (191) [system] nonvar(position(_1284750))
   Exit: (190) [system] stream_property((0x563acd73bee0), position('$stream_position'(542, 23, 0, 542)))
   Call: (190) [$syspreds] stream_position_data(line_count, '$stream_position'(542, 23, 0, 542), _1284744)
   Call: (191) [system] nonvar(line_count)
   Exit: (191) [system] nonvar(line_count)
   Call: (191) [$syspreds] stream_position_field(line_count, _1294038)
   Exit: (191) [$syspreds] stream_position_field(line_count, 2)
   Call: (191) [system] arg(2, '$stream_position'(542, 23, 0, 542), _1284744)
   Exit: (191) [system] arg(2, '$stream_position'(542, 23, 0, 542), 23)
   Exit: (190) [$syspreds] stream_position_data(line_count, '$stream_position'(542, 23, 0, 542), 23)
   Call: (190) [$syspreds] stream_position_data(line_position, '$stream_position'(542, 23, 0, 542), _1284746)
   Call: (191) [system] nonvar(line_position)
   Exit: (191) [system] nonvar(line_position)
   Call: (191) [$syspreds] stream_position_field(line_position, _1301472)
   Exit: (191) [$syspreds] stream_position_field(line_position, 3)
   Call: (191) [system] arg(3, '$stream_position'(542, 23, 0, 542), _1284746)
   Exit: (191) [system] arg(3, '$stream_position'(542, 23, 0, 542), 0)
   Exit: (190) [$syspreds] stream_position_data(line_position, '$stream_position'(542, 23, 0, 542), 0)
   Call: (190) [$syspreds] stream_position_data(char_count, '$stream_position'(542, 23, 0, 542), _1284748)
   Call: (191) [system] nonvar(char_count)
   Exit: (191) [system] nonvar(char_count)
   Call: (191) [$syspreds] stream_position_field(char_count, _1308906)
   Exit: (191) [$syspreds] stream_position_field(char_count, 1)
   Call: (191) [system] arg(1, '$stream_position'(542, 23, 0, 542), _1284748)
   Exit: (191) [system] arg(1, '$stream_position'(542, 23, 0, 542), 542)
   Exit: (190) [$syspreds] stream_position_data(char_count, '$stream_position'(542, 23, 0, 542), 542)
^  Exit: (189) [user] read_position((0x563acd73bee0), 23, 0, 542, '$stream_position'(542, 23, 0, 542))
   Call: (189) [read_util] read_util:read_line_to_string((0x563acd73bee0), _1314500)
   Call: (190) [system] read_string((0x563acd73bee0), '\n', '\r', _1315430, _1315432)
   Exit: (190) [system] read_string((0x563acd73bee0), '\n', '\r', 10, ";;")
   Call: (190) [system] 10\== -1
   Exit: (190) [system] 10\== -1
   Call: (190) [system] _1314500=";;"
   Exit: (190) [system] ";;"=";;"
   Exit: (189) [read_util] read_util:read_line_to_string((0x563acd73bee0), ";;")
^  Call: (189) [user] assertz(metta_file_comment(23, 0, 542, '$COMMENT'(";;", 23, 0), '$stream_position'(542, 23, 0, 542)))
^  Exit: (189) [user] assertz(metta_file_comment(23, 0, 542, '$COMMENT'(";;", 23, 0), '$stream_position'(542, 23, 0, 542)))
^  Exit: (188) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1325688)
   Exit: (189) [system] peek_char((0x563acd73bee0), ;)
   Call: (189) [system] (;)=(;)
   Exit: (189) [system] (;)=(;)
^  Call: (189) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (190) [user] read_position((0x563acd73bee0), _1330326, _1330328, _1330330, _1330332)
   Call: (191) [system] stream_property((0x563acd73bee0), position(_1330332))
   Call: (192) [system] nonvar((0x563acd73bee0))
   Exit: (192) [system] nonvar((0x563acd73bee0))
   Call: (192) [system] nonvar(position(_1330332))
   Exit: (192) [system] nonvar(position(_1330332))
   Exit: (191) [system] stream_property((0x563acd73bee0), position('$stream_position'(545, 24, 0, 545)))
   Call: (191) [$syspreds] stream_position_data(line_count, '$stream_position'(545, 24, 0, 545), _1330326)
   Call: (192) [system] nonvar(line_count)
   Exit: (192) [system] nonvar(line_count)
   Call: (192) [$syspreds] stream_position_field(line_count, _1339620)
   Exit: (192) [$syspreds] stream_position_field(line_count, 2)
   Call: (192) [system] arg(2, '$stream_position'(545, 24, 0, 545), _1330326)
   Exit: (192) [system] arg(2, '$stream_position'(545, 24, 0, 545), 24)
   Exit: (191) [$syspreds] stream_position_data(line_count, '$stream_position'(545, 24, 0, 545), 24)
   Call: (191) [$syspreds] stream_position_data(line_position, '$stream_position'(545, 24, 0, 545), _1330328)
   Call: (192) [system] nonvar(line_position)
   Exit: (192) [system] nonvar(line_position)
   Call: (192) [$syspreds] stream_position_field(line_position, _1347054)
   Exit: (192) [$syspreds] stream_position_field(line_position, 3)
   Call: (192) [system] arg(3, '$stream_position'(545, 24, 0, 545), _1330328)
   Exit: (192) [system] arg(3, '$stream_position'(545, 24, 0, 545), 0)
   Exit: (191) [$syspreds] stream_position_data(line_position, '$stream_position'(545, 24, 0, 545), 0)
   Call: (191) [$syspreds] stream_position_data(char_count, '$stream_position'(545, 24, 0, 545), _1330330)
   Call: (192) [system] nonvar(char_count)
   Exit: (192) [system] nonvar(char_count)
   Call: (192) [$syspreds] stream_position_field(char_count, _1354488)
   Exit: (192) [$syspreds] stream_position_field(char_count, 1)
   Call: (192) [system] arg(1, '$stream_position'(545, 24, 0, 545), _1330330)
   Exit: (192) [system] arg(1, '$stream_position'(545, 24, 0, 545), 545)
   Exit: (191) [$syspreds] stream_position_data(char_count, '$stream_position'(545, 24, 0, 545), 545)
^  Exit: (190) [user] read_position((0x563acd73bee0), 24, 0, 545, '$stream_position'(545, 24, 0, 545))
   Call: (190) [read_util] read_util:read_line_to_string((0x563acd73bee0), _1360082)
   Call: (191) [system] read_string((0x563acd73bee0), '\n', '\r', _1361012, _1361014)
   Exit: (191) [system] read_string((0x563acd73bee0), '\n', '\r', 10, ";; $query: an Atom under the form (: TERM TYPE).  The atom may contain")
   Call: (191) [system] 10\== -1
   Exit: (191) [system] 10\== -1
   Call: (191) [system] _1360082=";; $query: an Atom under the form (: TERM TYPE).  The atom may contain"
   Exit: (191) [system] ";; $query: an Atom under the form (: TERM TYPE).  The atom may contain"=";; $query: an Atom under the form (: TERM TYPE).  The atom may contain"
   Exit: (190) [read_util] read_util:read_line_to_string((0x563acd73bee0), ";; $query: an Atom under the form (: TERM TYPE).  The atom may contain")
^  Call: (190) [user] assertz(metta_file_comment(24, 0, 545, '$COMMENT'(";; $query: an Atom under the form (: TERM TYPE).  The atom may contain", 24, 0), '$stream_position'(545, 24, 0, 545)))
^  Exit: (190) [user] assertz(metta_file_comment(24, 0, 545, '$COMMENT'(";; $query: an Atom under the form (: TERM TYPE).  The atom may contain", 24, 0), '$stream_position'(545, 24, 0, 545)))
^  Exit: (189) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1371286)
   Exit: (190) [system] peek_char((0x563acd73bee0), ;)
   Call: (190) [system] (;)=(;)
   Exit: (190) [system] (;)=(;)
^  Call: (190) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (191) [user] read_position((0x563acd73bee0), _1375924, _1375926, _1375928, _1375930)
   Call: (192) [system] stream_property((0x563acd73bee0), position(_1375930))
   Call: (193) [system] nonvar((0x563acd73bee0))
   Exit: (193) [system] nonvar((0x563acd73bee0))
   Call: (193) [system] nonvar(position(_1375930))
   Exit: (193) [system] nonvar(position(_1375930))
   Exit: (192) [system] stream_property((0x563acd73bee0), position('$stream_position'(616, 25, 0, 616)))
   Call: (192) [$syspreds] stream_position_data(line_count, '$stream_position'(616, 25, 0, 616), _1375924)
   Call: (193) [system] nonvar(line_count)
   Exit: (193) [system] nonvar(line_count)
   Call: (193) [$syspreds] stream_position_field(line_count, _1385218)
   Exit: (193) [$syspreds] stream_position_field(line_count, 2)
   Call: (193) [system] arg(2, '$stream_position'(616, 25, 0, 616), _1375924)
   Exit: (193) [system] arg(2, '$stream_position'(616, 25, 0, 616), 25)
   Exit: (192) [$syspreds] stream_position_data(line_count, '$stream_position'(616, 25, 0, 616), 25)
   Call: (192) [$syspreds] stream_position_data(line_position, '$stream_position'(616, 25, 0, 616), _1375926)
   Call: (193) [system] nonvar(line_position)
   Exit: (193) [system] nonvar(line_position)
   Call: (193) [$syspreds] stream_position_field(line_position, _1392652)
   Exit: (193) [$syspreds] stream_position_field(line_position, 3)
   Call: (193) [system] arg(3, '$stream_position'(616, 25, 0, 616), _1375926)
   Exit: (193) [system] arg(3, '$stream_position'(616, 25, 0, 616), 0)
   Exit: (192) [$syspreds] stream_position_data(line_position, '$stream_position'(616, 25, 0, 616), 0)
   Call: (192) [$syspreds] stream_position_data(char_count, '$stream_position'(616, 25, 0, 616), _1375928)
   Call: (193) [system] nonvar(char_count)
   Exit: (193) [system] nonvar(char_count)
   Call: (193) [$syspreds] stream_position_field(char_count, _1400086)
   Exit: (193) [$syspreds] stream_position_field(char_count, 1)
   Call: (193) [system] arg(1, '$stream_position'(616, 25, 0, 616), _1375928)
   Exit: (193) [system] arg(1, '$stream_position'(616, 25, 0, 616), 616)
   Exit: (192) [$syspreds] stream_position_data(char_count, '$stream_position'(616, 25, 0, 616), 616)
^  Exit: (191) [user] read_position((0x563acd73bee0), 25, 0, 616, '$stream_position'(616, 25, 0, 616))
   Call: (191) [read_util] read_util:read_line_to_string((0x563acd73bee0), _1405680)
   Call: (192) [system] read_string((0x563acd73bee0), '\n', '\r', _1406610, _1406612)
   Exit: (192) [system] read_string((0x563acd73bee0), '\n', '\r', 10, ";;         free variables within TERM and TYPE to form various sort of")
   Call: (192) [system] 10\== -1
   Exit: (192) [system] 10\== -1
   Call: (192) [system] _1405680=";;         free variables within TERM and TYPE to form various sort of"
   Exit: (192) [system] ";;         free variables within TERM and TYPE to form various sort of"=";;         free variables within TERM and TYPE to form various sort of"
   Exit: (191) [read_util] read_util:read_line_to_string((0x563acd73bee0), ";;         free variables within TERM and TYPE to form various sort of")
^  Call: (191) [user] assertz(metta_file_comment(25, 0, 616, '$COMMENT'(";;         free variables within TERM and TYPE to form various sort of", 25, 0), '$stream_position'(616, 25, 0, 616)))
^  Exit: (191) [user] assertz(metta_file_comment(25, 0, 616, '$COMMENT'(";;         free variables within TERM and TYPE to form various sort of", 25, 0), '$stream_position'(616, 25, 0, 616)))
^  Exit: (190) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _1416884)
   Exit: (191) [system] peek_char((0x563acd73bee0), ;)
   Call: (191) [system] (;)=(;)
   Exit: (191) [system] (;)=(;)
^  Call: (191) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (192) [user] read_position((0x563acd73bee0), _1421522, _1421524, _1421526, _1421528)
   Call: (193) [system] stream_property((0x563acd73bee0), position(_1421528))
   Call: (194) [system] nonvar((0x563acd73bee0))
   Exit: (194) [system] nonvar((0x563acd73bee0))
   Call: (194) [system] nonvar(position(_1421528))
   Exit: (194) [system] nonvar(position(_1421528))
   Exit: (193) [system] stream_property((0x563acd73bee0), position('$stream_position'(687, 26, 0, 687)))
   Call: (193) [$syspreds] stream_position_data(line_count, '$stream_position'(687, 26, 0, 687), _1421522)
   Call: (194) [system] nonvar(line_count)
   Exit: (194) [system] nonvar(line_count)
   Call: (194) [$syspreds] stream_position_field(line_count, _1430816)
   Exit: (194) [$syspreds] stream_position_field(line_count, 2)
   Call: (194) [system] arg(2, '$stream_position'(687, 26, 0, 687), _1421522)
   Exit: (194) [system] arg(2, '$stream_position'(687, 26, 0, 687), 26)
   Exit: (193) [$syspreds] stream_position_data(line_count, '$stream_position'(687, 26, 0, 687), 26)
   Call: (193) [$syspreds] stream_position_data(line_position, '$stream_position'(687, 26, 0, 687), _1421524)
   Call: (194) [system] nonvar(line_position)
   Exit: (194) [system] nonvar(line_position)
   Call: (194) [$syspreds] stream_position_field(line_position, _1438250)
   Exit: (194) [$syspreds] stream_position_field(line_position, 3)
   Call: (194) [system] arg(3, '$stream_position'(687, 26, 0, 687), _1421524)
   Exit: (194) [system] arg(3, '$stream_position'(687, 26, 0, 687), 0)
   Exit: (193) [$syspreds] stream_position_data(line_position, '$stream_position'(687, 26, 0, 687), 0)
   Call: (193) [$syspreds] stream_position_data(char_count, '$stream_position'(687, 26, 0, 687), _1421526)
   Call: (194) [system] nonvar(char_count)
   Exit: (194) [system] nonvar(char_count)
   Call: (194) [$syspreds] stream_position_field(char_count, _1445684)
   Exit: (194) [$syspreds] stream_position_field(char_count, 1)
   Call: (194) [system] arg(1, '$stream_position'(687, 26, 0, 687), _1421526)
   Exit: (194) [system] arg(1, '$stream_position'(687, 26, 0, 687), 687)
   Exit: (193) [$syspreds] stream_position_data(char_count, '$stream_position'(687, 26, 0, 687), 687)
^  Exit: (192) [user] read_position((0x563acd73bee0), 26, 0, 687, '$stream_position'(687, 26, 0, 687))
   Call: (192) [read_util] read_util:read_line_to_string((0x563acd73bee0), _1451278)
   Call: (193) [system] read_string((0x563acd73bee0), '\n', '\r', _1452208, _1452210)
   Exit: (193) [system] read_string((0x563acd73bee0), '\n', '\r', 10, ";;         queries")
   Call: (193) [system] 10\== -1
   Exit: (193) [system] 10\== -1
   Call: (193) [system] _1451278=";;         queries"
   Exit: (193) [system] ";;         queries"=";;         queries"
   Exit: (192) [read_util] read_util:read_line_to_string((0x563acd73bee0), ";;         queries")
^  Call: (192) [user] assertz(metta_file_comment(26, 0, 687, '$COMMENT'(";;         queries", 26, 0), '$stream_position'(687, 26, 0, 687)))
^  Exit: (192) [user] assertz(metta_file_comment(26, 0, 687, '$COMMENT'(";;         queries", 26, 0), '$stream_position'(687, 26, 0, 687)))
^  Exit: (191) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1462470)
   Exit: (192) [system] peek_char((0x563acd73bee0), ;)
   Call: (192) [system] (;)=(;)
   Exit: (192) [system] (;)=(;)
^  Call: (192) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (193) [user] read_position((0x563acd73bee0), _1467108, _1467110, _1467112, _1467114)
   Call: (194) [system] stream_property((0x563acd73bee0), position(_1467114))
   Call: (195) [system] nonvar((0x563acd73bee0))
   Exit: (195) [system] nonvar((0x563acd73bee0))
   Call: (195) [system] nonvar(position(_1467114))
   Exit: (195) [system] nonvar(position(_1467114))
   Exit: (194) [system] stream_property((0x563acd73bee0), position('$stream_position'(706, 27, 0, 706)))
   Call: (194) [$syspreds] stream_position_data(line_count, '$stream_position'(706, 27, 0, 706), _1467108)
   Call: (195) [system] nonvar(line_count)
   Exit: (195) [system] nonvar(line_count)
   Call: (195) [$syspreds] stream_position_field(line_count, _1476402)
   Exit: (195) [$syspreds] stream_position_field(line_count, 2)
   Call: (195) [system] arg(2, '$stream_position'(706, 27, 0, 706), _1467108)
   Exit: (195) [system] arg(2, '$stream_position'(706, 27, 0, 706), 27)
   Exit: (194) [$syspreds] stream_position_data(line_count, '$stream_position'(706, 27, 0, 706), 27)
   Call: (194) [$syspreds] stream_position_data(line_position, '$stream_position'(706, 27, 0, 706), _1467110)
   Call: (195) [system] nonvar(line_position)
   Exit: (195) [system] nonvar(line_position)
   Call: (195) [$syspreds] stream_position_field(line_position, _1483836)
   Exit: (195) [$syspreds] stream_position_field(line_position, 3)
   Call: (195) [system] arg(3, '$stream_position'(706, 27, 0, 706), _1467110)
   Exit: (195) [system] arg(3, '$stream_position'(706, 27, 0, 706), 0)
   Exit: (194) [$syspreds] stream_position_data(line_position, '$stream_position'(706, 27, 0, 706), 0)
   Call: (194) [$syspreds] stream_position_data(char_count, '$stream_position'(706, 27, 0, 706), _1467112)
   Call: (195) [system] nonvar(char_count)
   Exit: (195) [system] nonvar(char_count)
   Call: (195) [$syspreds] stream_position_field(char_count, _1491270)
   Exit: (195) [$syspreds] stream_position_field(char_count, 1)
   Call: (195) [system] arg(1, '$stream_position'(706, 27, 0, 706), _1467112)
   Exit: (195) [system] arg(1, '$stream_position'(706, 27, 0, 706), 706)
   Exit: (194) [$syspreds] stream_position_data(char_count, '$stream_position'(706, 27, 0, 706), 706)
^  Exit: (193) [user] read_position((0x563acd73bee0), 27, 0, 706, '$stream_position'(706, 27, 0, 706))
   Call: (193) [read_util] read_util:read_line_to_string((0x563acd73bee0), _1496864)
   Call: (194) [system] read_string((0x563acd73bee0), '\n', '\r', _1497794, _1497796)
   Exit: (194) [system] read_string((0x563acd73bee0), '\n', '\r', 10, ";;\t\t such as:")
   Call: (194) [system] 10\== -1
   Exit: (194) [system] 10\== -1
   Call: (194) [system] _1496864=";;\t\t such as:"
   Exit: (194) [system] ";;\t\t such as:"=";;\t\t such as:"
   Exit: (193) [read_util] read_util:read_line_to_string((0x563acd73bee0), ";;\t\t such as:")
^  Call: (193) [user] assertz(metta_file_comment(27, 0, 706, '$COMMENT'(";;\t\t such as:", 27, 0), '$stream_position'(706, 27, 0, 706)))
^  Exit: (193) [user] assertz(metta_file_comment(27, 0, 706, '$COMMENT'(";;\t\t such as:", 27, 0), '$stream_position'(706, 27, 0, 706)))
^  Exit: (192) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1508054)
   Exit: (193) [system] peek_char((0x563acd73bee0), ;)
   Call: (193) [system] (;)=(;)
   Exit: (193) [system] (;)=(;)
^  Call: (193) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (194) [user] read_position((0x563acd73bee0), _1512692, _1512694, _1512696, _1512698)
   Call: (195) [system] stream_property((0x563acd73bee0), position(_1512698))
   Call: (196) [system] nonvar((0x563acd73bee0))
   Exit: (196) [system] nonvar((0x563acd73bee0))
   Call: (196) [system] nonvar(position(_1512698))
   Exit: (196) [system] nonvar(position(_1512698))
   Exit: (195) [system] stream_property((0x563acd73bee0), position('$stream_position'(720, 28, 0, 720)))
   Call: (195) [$syspreds] stream_position_data(line_count, '$stream_position'(720, 28, 0, 720), _1512692)
   Call: (196) [system] nonvar(line_count)
   Exit: (196) [system] nonvar(line_count)
   Call: (196) [$syspreds] stream_position_field(line_count, _1521986)
   Exit: (196) [$syspreds] stream_position_field(line_count, 2)
   Call: (196) [system] arg(2, '$stream_position'(720, 28, 0, 720), _1512692)
   Exit: (196) [system] arg(2, '$stream_position'(720, 28, 0, 720), 28)
   Exit: (195) [$syspreds] stream_position_data(line_count, '$stream_position'(720, 28, 0, 720), 28)
   Call: (195) [$syspreds] stream_position_data(line_position, '$stream_position'(720, 28, 0, 720), _1512694)
   Call: (196) [system] nonvar(line_position)
   Exit: (196) [system] nonvar(line_position)
   Call: (196) [$syspreds] stream_position_field(line_position, _1529420)
   Exit: (196) [$syspreds] stream_position_field(line_position, 3)
   Call: (196) [system] arg(3, '$stream_position'(720, 28, 0, 720), _1512694)
   Exit: (196) [system] arg(3, '$stream_position'(720, 28, 0, 720), 0)
   Exit: (195) [$syspreds] stream_position_data(line_position, '$stream_position'(720, 28, 0, 720), 0)
   Call: (195) [$syspreds] stream_position_data(char_count, '$stream_position'(720, 28, 0, 720), _1512696)
   Call: (196) [system] nonvar(char_count)
   Exit: (196) [system] nonvar(char_count)
   Call: (196) [$syspreds] stream_position_field(char_count, _1536854)
   Exit: (196) [$syspreds] stream_position_field(char_count, 1)
   Call: (196) [system] arg(1, '$stream_position'(720, 28, 0, 720), _1512696)
   Exit: (196) [system] arg(1, '$stream_position'(720, 28, 0, 720), 720)
   Exit: (195) [$syspreds] stream_position_data(char_count, '$stream_position'(720, 28, 0, 720), 720)
^  Exit: (194) [user] read_position((0x563acd73bee0), 28, 0, 720, '$stream_position'(720, 28, 0, 720))
   Call: (194) [read_util] read_util:read_line_to_string((0x563acd73bee0), _1542448)
   Call: (195) [system] read_string((0x563acd73bee0), '\n', '\r', _1543378, _1543380)
   Exit: (195) [system] read_string((0x563acd73bee0), '\n', '\r', 10, ";;         1. Backward chaining: (: $term (Inheritance $x Mammal))")
   Call: (195) [system] 10\== -1
   Exit: (195) [system] 10\== -1
   Call: (195) [system] _1542448=";;         1. Backward chaining: (: $term (Inheritance $x Mammal))"
   Exit: (195) [system] ";;         1. Backward chaining: (: $term (Inheritance $x Mammal))"=";;         1. Backward chaining: (: $term (Inheritance $x Mammal))"
   Exit: (194) [read_util] read_util:read_line_to_string((0x563acd73bee0), ";;         1. Backward chaining: (: $term (Inheritance $x Mammal))")
^  Call: (194) [user] assertz(metta_file_comment(28, 0, 720, '$COMMENT'(";;         1. Backward chaining: (: $term (Inheritance $x Mammal))", 28, 0), '$stream_position'(720, 28, 0, 720)))
^  Exit: (194) [user] assertz(metta_file_comment(28, 0, 720, '$COMMENT'(";;         1. Backward chaining: (: $term (Inheritance $x Mammal))", 28, 0), '$stream_position'(720, 28, 0, 720)))
^  Exit: (193) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1553652)
   Exit: (194) [system] peek_char((0x563acd73bee0), ;)
   Call: (194) [system] (;)=(;)
   Exit: (194) [system] (;)=(;)
^  Call: (194) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (195) [user] read_position((0x563acd73bee0), _1558290, _1558292, _1558294, _1558296)
   Call: (196) [system] stream_property((0x563acd73bee0), position(_1558296))
   Call: (197) [system] nonvar((0x563acd73bee0))
   Exit: (197) [system] nonvar((0x563acd73bee0))
   Call: (197) [system] nonvar(position(_1558296))
   Exit: (197) [system] nonvar(position(_1558296))
   Exit: (196) [system] stream_property((0x563acd73bee0), position('$stream_position'(787, 29, 0, 787)))
   Call: (196) [$syspreds] stream_position_data(line_count, '$stream_position'(787, 29, 0, 787), _1558290)
   Call: (197) [system] nonvar(line_count)
   Exit: (197) [system] nonvar(line_count)
   Call: (197) [$syspreds] stream_position_field(line_count, _1567584)
   Exit: (197) [$syspreds] stream_position_field(line_count, 2)
   Call: (197) [system] arg(2, '$stream_position'(787, 29, 0, 787), _1558290)
   Exit: (197) [system] arg(2, '$stream_position'(787, 29, 0, 787), 29)
   Exit: (196) [$syspreds] stream_position_data(line_count, '$stream_position'(787, 29, 0, 787), 29)
   Call: (196) [$syspreds] stream_position_data(line_position, '$stream_position'(787, 29, 0, 787), _1558292)
   Call: (197) [system] nonvar(line_position)
   Exit: (197) [system] nonvar(line_position)
   Call: (197) [$syspreds] stream_position_field(line_position, _1575018)
   Exit: (197) [$syspreds] stream_position_field(line_position, 3)
   Call: (197) [system] arg(3, '$stream_position'(787, 29, 0, 787), _1558292)
   Exit: (197) [system] arg(3, '$stream_position'(787, 29, 0, 787), 0)
   Exit: (196) [$syspreds] stream_position_data(line_position, '$stream_position'(787, 29, 0, 787), 0)
   Call: (196) [$syspreds] stream_position_data(char_count, '$stream_position'(787, 29, 0, 787), _1558294)
   Call: (197) [system] nonvar(char_count)
   Exit: (197) [system] nonvar(char_count)
   Call: (197) [$syspreds] stream_position_field(char_count, _1582452)
   Exit: (197) [$syspreds] stream_position_field(char_count, 1)
   Call: (197) [system] arg(1, '$stream_position'(787, 29, 0, 787), _1558294)
   Exit: (197) [system] arg(1, '$stream_position'(787, 29, 0, 787), 787)
   Exit: (196) [$syspreds] stream_position_data(char_count, '$stream_position'(787, 29, 0, 787), 787)
^  Exit: (195) [user] read_position((0x563acd73bee0), 29, 0, 787, '$stream_position'(787, 29, 0, 787))
   Call: (195) [read_util] read_util:read_line_to_string((0x563acd73bee0), _1588046)
   Call: (196) [system] read_string((0x563acd73bee0), '\n', '\r', _1588976, _1588978)
   Exit: (196) [system] read_string((0x563acd73bee0), '\n', '\r', 10, ";;         2. Forward chaining: (: ($rule $premise AXIOM) $type)")
   Call: (196) [system] 10\== -1
   Exit: (196) [system] 10\== -1
   Call: (196) [system] _1588046=";;         2. Forward chaining: (: ($rule $premise AXIOM) $type)"
   Exit: (196) [system] ";;         2. Forward chaining: (: ($rule $premise AXIOM) $type)"=";;         2. Forward chaining: (: ($rule $premise AXIOM) $type)"
   Exit: (195) [read_util] read_util:read_line_to_string((0x563acd73bee0), ";;         2. Forward chaining: (: ($rule $premise AXIOM) $type)")
^  Call: (195) [user] assertz(metta_file_comment(29, 0, 787, '$COMMENT'(";;         2. Forward chaining: (: ($rule $premise AXIOM) $type)", 29, 0), '$stream_position'(787, 29, 0, 787)))
^  Exit: (195) [user] assertz(metta_file_comment(29, 0, 787, '$COMMENT'(";;         2. Forward chaining: (: ($rule $premise AXIOM) $type)", 29, 0), '$stream_position'(787, 29, 0, 787)))
^  Exit: (194) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1599250)
   Exit: (195) [system] peek_char((0x563acd73bee0), ;)
   Call: (195) [system] (;)=(;)
   Exit: (195) [system] (;)=(;)
^  Call: (195) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (196) [user] read_position((0x563acd73bee0), _1603888, _1603890, _1603892, _1603894)
   Call: (197) [system] stream_property((0x563acd73bee0), position(_1603894))
   Call: (198) [system] nonvar((0x563acd73bee0))
   Exit: (198) [system] nonvar((0x563acd73bee0))
   Call: (198) [system] nonvar(position(_1603894))
   Exit: (198) [system] nonvar(position(_1603894))
   Exit: (197) [system] stream_property((0x563acd73bee0), position('$stream_position'(852, 30, 0, 852)))
   Call: (197) [$syspreds] stream_position_data(line_count, '$stream_position'(852, 30, 0, 852), _1603888)
   Call: (198) [system] nonvar(line_count)
   Exit: (198) [system] nonvar(line_count)
   Call: (198) [$syspreds] stream_position_field(line_count, _1613182)
   Exit: (198) [$syspreds] stream_position_field(line_count, 2)
   Call: (198) [system] arg(2, '$stream_position'(852, 30, 0, 852), _1603888)
   Exit: (198) [system] arg(2, '$stream_position'(852, 30, 0, 852), 30)
   Exit: (197) [$syspreds] stream_position_data(line_count, '$stream_position'(852, 30, 0, 852), 30)
   Call: (197) [$syspreds] stream_position_data(line_position, '$stream_position'(852, 30, 0, 852), _1603890)
   Call: (198) [system] nonvar(line_position)
   Exit: (198) [system] nonvar(line_position)
   Call: (198) [$syspreds] stream_position_field(line_position, _1620616)
   Exit: (198) [$syspreds] stream_position_field(line_position, 3)
   Call: (198) [system] arg(3, '$stream_position'(852, 30, 0, 852), _1603890)
   Exit: (198) [system] arg(3, '$stream_position'(852, 30, 0, 852), 0)
   Exit: (197) [$syspreds] stream_position_data(line_position, '$stream_position'(852, 30, 0, 852), 0)
   Call: (197) [$syspreds] stream_position_data(char_count, '$stream_position'(852, 30, 0, 852), _1603892)
   Call: (198) [system] nonvar(char_count)
   Exit: (198) [system] nonvar(char_count)
   Call: (198) [$syspreds] stream_position_field(char_count, _1628050)
   Exit: (198) [$syspreds] stream_position_field(char_count, 1)
   Call: (198) [system] arg(1, '$stream_position'(852, 30, 0, 852), _1603892)
   Exit: (198) [system] arg(1, '$stream_position'(852, 30, 0, 852), 852)
   Exit: (197) [$syspreds] stream_position_data(char_count, '$stream_position'(852, 30, 0, 852), 852)
^  Exit: (196) [user] read_position((0x563acd73bee0), 30, 0, 852, '$stream_position'(852, 30, 0, 852))
   Call: (196) [read_util] read_util:read_line_to_string((0x563acd73bee0), _1633644)
   Call: (197) [system] read_string((0x563acd73bee0), '\n', '\r', _1634574, _1634576)
   Exit: (197) [system] read_string((0x563acd73bee0), '\n', '\r', 10, ";;         3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (197) [system] 10\== -1
   Exit: (197) [system] 10\== -1
   Call: (197) [system] _1633644=";;         3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))"
   Exit: (197) [system] ";;         3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))"=";;         3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))"
   Exit: (196) [read_util] read_util:read_line_to_string((0x563acd73bee0), ";;         3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Call: (196) [user] assertz(metta_file_comment(30, 0, 852, '$COMMENT'(";;         3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", 30, 0), '$stream_position'(852, 30, 0, 852)))
^  Exit: (196) [user] assertz(metta_file_comment(30, 0, 852, '$COMMENT'(";;         3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", 30, 0), '$stream_position'(852, 30, 0, 852)))
^  Exit: (195) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1644852)
   Exit: (196) [system] peek_char((0x563acd73bee0), ;)
   Call: (196) [system] (;)=(;)
   Exit: (196) [system] (;)=(;)
^  Call: (196) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (197) [user] read_position((0x563acd73bee0), _1649490, _1649492, _1649494, _1649496)
   Call: (198) [system] stream_property((0x563acd73bee0), position(_1649496))
   Call: (199) [system] nonvar((0x563acd73bee0))
   Exit: (199) [system] nonvar((0x563acd73bee0))
   Call: (199) [system] nonvar(position(_1649496))
   Exit: (199) [system] nonvar(position(_1649496))
   Exit: (198) [system] stream_property((0x563acd73bee0), position('$stream_position'(933, 31, 0, 933)))
   Call: (198) [$syspreds] stream_position_data(line_count, '$stream_position'(933, 31, 0, 933), _1649490)
   Call: (199) [system] nonvar(line_count)
   Exit: (199) [system] nonvar(line_count)
   Call: (199) [$syspreds] stream_position_field(line_count, _1658784)
   Exit: (199) [$syspreds] stream_position_field(line_count, 2)
   Call: (199) [system] arg(2, '$stream_position'(933, 31, 0, 933), _1649490)
   Exit: (199) [system] arg(2, '$stream_position'(933, 31, 0, 933), 31)
   Exit: (198) [$syspreds] stream_position_data(line_count, '$stream_position'(933, 31, 0, 933), 31)
   Call: (198) [$syspreds] stream_position_data(line_position, '$stream_position'(933, 31, 0, 933), _1649492)
   Call: (199) [system] nonvar(line_position)
   Exit: (199) [system] nonvar(line_position)
   Call: (199) [$syspreds] stream_position_field(line_position, _1666218)
   Exit: (199) [$syspreds] stream_position_field(line_position, 3)
   Call: (199) [system] arg(3, '$stream_position'(933, 31, 0, 933), _1649492)
   Exit: (199) [system] arg(3, '$stream_position'(933, 31, 0, 933), 0)
   Exit: (198) [$syspreds] stream_position_data(line_position, '$stream_position'(933, 31, 0, 933), 0)
   Call: (198) [$syspreds] stream_position_data(char_count, '$stream_position'(933, 31, 0, 933), _1649494)
   Call: (199) [system] nonvar(char_count)
   Exit: (199) [system] nonvar(char_count)
   Call: (199) [$syspreds] stream_position_field(char_count, _1673652)
   Exit: (199) [$syspreds] stream_position_field(char_count, 1)
   Call: (199) [system] arg(1, '$stream_position'(933, 31, 0, 933), _1649494)
   Exit: (199) [system] arg(1, '$stream_position'(933, 31, 0, 933), 933)
   Exit: (198) [$syspreds] stream_position_data(char_count, '$stream_position'(933, 31, 0, 933), 933)
^  Exit: (197) [user] read_position((0x563acd73bee0), 31, 0, 933, '$stream_position'(933, 31, 0, 933))
   Call: (197) [read_util] read_util:read_line_to_string((0x563acd73bee0), _1679246)
   Call: (198) [system] read_string((0x563acd73bee0), '\n', '\r', _1680176, _1680178)
   Exit: (198) [system] read_string((0x563acd73bee0), '\n', '\r', 10, ";;         4. Type checking: (: TERM TYPE)")
   Call: (198) [system] 10\== -1
   Exit: (198) [system] 10\== -1
   Call: (198) [system] _1679246=";;         4. Type checking: (: TERM TYPE)"
   Exit: (198) [system] ";;         4. Type checking: (: TERM TYPE)"=";;         4. Type checking: (: TERM TYPE)"
   Exit: (197) [read_util] read_util:read_line_to_string((0x563acd73bee0), ";;         4. Type checking: (: TERM TYPE)")
^  Call: (197) [user] assertz(metta_file_comment(31, 0, 933, '$COMMENT'(";;         4. Type checking: (: TERM TYPE)", 31, 0), '$stream_position'(933, 31, 0, 933)))
^  Exit: (197) [user] assertz(metta_file_comment(31, 0, 933, '$COMMENT'(";;         4. Type checking: (: TERM TYPE)", 31, 0), '$stream_position'(933, 31, 0, 933)))
^  Exit: (196) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1690444)
   Exit: (197) [system] peek_char((0x563acd73bee0), ;)
   Call: (197) [system] (;)=(;)
   Exit: (197) [system] (;)=(;)
^  Call: (197) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (198) [user] read_position((0x563acd73bee0), _1695082, _1695084, _1695086, _1695088)
   Call: (199) [system] stream_property((0x563acd73bee0), position(_1695088))
   Call: (200) [system] nonvar((0x563acd73bee0))
   Exit: (200) [system] nonvar((0x563acd73bee0))
   Call: (200) [system] nonvar(position(_1695088))
   Exit: (200) [system] nonvar(position(_1695088))
   Exit: (199) [system] stream_property((0x563acd73bee0), position('$stream_position'(976, 32, 0, 976)))
   Call: (199) [$syspreds] stream_position_data(line_count, '$stream_position'(976, 32, 0, 976), _1695082)
   Call: (200) [system] nonvar(line_count)
   Exit: (200) [system] nonvar(line_count)
   Call: (200) [$syspreds] stream_position_field(line_count, _1704376)
   Exit: (200) [$syspreds] stream_position_field(line_count, 2)
   Call: (200) [system] arg(2, '$stream_position'(976, 32, 0, 976), _1695082)
   Exit: (200) [system] arg(2, '$stream_position'(976, 32, 0, 976), 32)
   Exit: (199) [$syspreds] stream_position_data(line_count, '$stream_position'(976, 32, 0, 976), 32)
   Call: (199) [$syspreds] stream_position_data(line_position, '$stream_position'(976, 32, 0, 976), _1695084)
   Call: (200) [system] nonvar(line_position)
   Exit: (200) [system] nonvar(line_position)
   Call: (200) [$syspreds] stream_position_field(line_position, _1711810)
   Exit: (200) [$syspreds] stream_position_field(line_position, 3)
   Call: (200) [system] arg(3, '$stream_position'(976, 32, 0, 976), _1695084)
   Exit: (200) [system] arg(3, '$stream_position'(976, 32, 0, 976), 0)
   Exit: (199) [$syspreds] stream_position_data(line_position, '$stream_position'(976, 32, 0, 976), 0)
   Call: (199) [$syspreds] stream_position_data(char_count, '$stream_position'(976, 32, 0, 976), _1695086)
   Call: (200) [system] nonvar(char_count)
   Exit: (200) [system] nonvar(char_count)
   Call: (200) [$syspreds] stream_position_field(char_count, _1719244)
   Exit: (200) [$syspreds] stream_position_field(char_count, 1)
   Call: (200) [system] arg(1, '$stream_position'(976, 32, 0, 976), _1695086)
   Exit: (200) [system] arg(1, '$stream_position'(976, 32, 0, 976), 976)
   Exit: (199) [$syspreds] stream_position_data(char_count, '$stream_position'(976, 32, 0, 976), 976)
^  Exit: (198) [user] read_position((0x563acd73bee0), 32, 0, 976, '$stream_position'(976, 32, 0, 976))
   Call: (198) [read_util] read_util:read_line_to_string((0x563acd73bee0), _1724838)
   Call: (199) [system] read_string((0x563acd73bee0), '\n', '\r', _1725768, _1725770)
   Exit: (199) [system] read_string((0x563acd73bee0), '\n', '\r', 10, ";;         5. Type inference: (: TERM $type)")
   Call: (199) [system] 10\== -1
   Exit: (199) [system] 10\== -1
   Call: (199) [system] _1724838=";;         5. Type inference: (: TERM $type)"
   Exit: (199) [system] ";;         5. Type inference: (: TERM $type)"=";;         5. Type inference: (: TERM $type)"
   Exit: (198) [read_util] read_util:read_line_to_string((0x563acd73bee0), ";;         5. Type inference: (: TERM $type)")
^  Call: (198) [user] assertz(metta_file_comment(32, 0, 976, '$COMMENT'(";;         5. Type inference: (: TERM $type)", 32, 0), '$stream_position'(976, 32, 0, 976)))
^  Exit: (198) [user] assertz(metta_file_comment(32, 0, 976, '$COMMENT'(";;         5. Type inference: (: TERM $type)", 32, 0), '$stream_position'(976, 32, 0, 976)))
^  Exit: (197) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1736036)
   Exit: (198) [system] peek_char((0x563acd73bee0), ;)
   Call: (198) [system] (;)=(;)
   Exit: (198) [system] (;)=(;)
^  Call: (198) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (199) [user] read_position((0x563acd73bee0), _1740674, _1740676, _1740678, _1740680)
   Call: (200) [system] stream_property((0x563acd73bee0), position(_1740680))
   Call: (201) [system] nonvar((0x563acd73bee0))
   Exit: (201) [system] nonvar((0x563acd73bee0))
   Call: (201) [system] nonvar(position(_1740680))
   Exit: (201) [system] nonvar(position(_1740680))
   Exit: (200) [system] stream_property((0x563acd73bee0), position('$stream_position'(1021, 33, 0, 1021)))
   Call: (200) [$syspreds] stream_position_data(line_count, '$stream_position'(1021, 33, 0, 1021), _1740674)
   Call: (201) [system] nonvar(line_count)
   Exit: (201) [system] nonvar(line_count)
   Call: (201) [$syspreds] stream_position_field(line_count, _1749968)
   Exit: (201) [$syspreds] stream_position_field(line_count, 2)
   Call: (201) [system] arg(2, '$stream_position'(1021, 33, 0, 1021), _1740674)
   Exit: (201) [system] arg(2, '$stream_position'(1021, 33, 0, 1021), 33)
   Exit: (200) [$syspreds] stream_position_data(line_count, '$stream_position'(1021, 33, 0, 1021), 33)
   Call: (200) [$syspreds] stream_position_data(line_position, '$stream_position'(1021, 33, 0, 1021), _1740676)
   Call: (201) [system] nonvar(line_position)
   Exit: (201) [system] nonvar(line_position)
   Call: (201) [$syspreds] stream_position_field(line_position, _1757402)
   Exit: (201) [$syspreds] stream_position_field(line_position, 3)
   Call: (201) [system] arg(3, '$stream_position'(1021, 33, 0, 1021), _1740676)
   Exit: (201) [system] arg(3, '$stream_position'(1021, 33, 0, 1021), 0)
   Exit: (200) [$syspreds] stream_position_data(line_position, '$stream_position'(1021, 33, 0, 1021), 0)
   Call: (200) [$syspreds] stream_position_data(char_count, '$stream_position'(1021, 33, 0, 1021), _1740678)
   Call: (201) [system] nonvar(char_count)
   Exit: (201) [system] nonvar(char_count)
   Call: (201) [$syspreds] stream_position_field(char_count, _1764836)
   Exit: (201) [$syspreds] stream_position_field(char_count, 1)
   Call: (201) [system] arg(1, '$stream_position'(1021, 33, 0, 1021), _1740678)
   Exit: (201) [system] arg(1, '$stream_position'(1021, 33, 0, 1021), 1021)
   Exit: (200) [$syspreds] stream_position_data(char_count, '$stream_position'(1021, 33, 0, 1021), 1021)
^  Exit: (199) [user] read_position((0x563acd73bee0), 33, 0, 1021, '$stream_position'(1021, 33, 0, 1021))
   Call: (199) [read_util] read_util:read_line_to_string((0x563acd73bee0), _1770430)
   Call: (200) [system] read_string((0x563acd73bee0), '\n', '\r', _1771360, _1771362)
   Exit: (200) [system] read_string((0x563acd73bee0), '\n', '\r', 10, ";;")
   Call: (200) [system] 10\== -1
   Exit: (200) [system] 10\== -1
   Call: (200) [system] _1770430=";;"
   Exit: (200) [system] ";;"=";;"
   Exit: (199) [read_util] read_util:read_line_to_string((0x563acd73bee0), ";;")
^  Call: (199) [user] assertz(metta_file_comment(33, 0, 1021, '$COMMENT'(";;", 33, 0), '$stream_position'(1021, 33, 0, 1021)))
^  Exit: (199) [user] assertz(metta_file_comment(33, 0, 1021, '$COMMENT'(";;", 33, 0), '$stream_position'(1021, 33, 0, 1021)))
^  Exit: (198) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1781618)
   Exit: (199) [system] peek_char((0x563acd73bee0), ;)
   Call: (199) [system] (;)=(;)
   Exit: (199) [system] (;)=(;)
^  Call: (199) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (200) [user] read_position((0x563acd73bee0), _1786256, _1786258, _1786260, _1786262)
   Call: (201) [system] stream_property((0x563acd73bee0), position(_1786262))
   Call: (202) [system] nonvar((0x563acd73bee0))
   Exit: (202) [system] nonvar((0x563acd73bee0))
   Call: (202) [system] nonvar(position(_1786262))
   Exit: (202) [system] nonvar(position(_1786262))
   Exit: (201) [system] stream_property((0x563acd73bee0), position('$stream_position'(1024, 34, 0, 1024)))
   Call: (201) [$syspreds] stream_position_data(line_count, '$stream_position'(1024, 34, 0, 1024), _1786256)
   Call: (202) [system] nonvar(line_count)
   Exit: (202) [system] nonvar(line_count)
   Call: (202) [$syspreds] stream_position_field(line_count, _1795550)
   Exit: (202) [$syspreds] stream_position_field(line_count, 2)
   Call: (202) [system] arg(2, '$stream_position'(1024, 34, 0, 1024), _1786256)
   Exit: (202) [system] arg(2, '$stream_position'(1024, 34, 0, 1024), 34)
   Exit: (201) [$syspreds] stream_position_data(line_count, '$stream_position'(1024, 34, 0, 1024), 34)
   Call: (201) [$syspreds] stream_position_data(line_position, '$stream_position'(1024, 34, 0, 1024), _1786258)
   Call: (202) [system] nonvar(line_position)
   Exit: (202) [system] nonvar(line_position)
   Call: (202) [$syspreds] stream_position_field(line_position, _1802984)
   Exit: (202) [$syspreds] stream_position_field(line_position, 3)
   Call: (202) [system] arg(3, '$stream_position'(1024, 34, 0, 1024), _1786258)
   Exit: (202) [system] arg(3, '$stream_position'(1024, 34, 0, 1024), 0)
   Exit: (201) [$syspreds] stream_position_data(line_position, '$stream_position'(1024, 34, 0, 1024), 0)
   Call: (201) [$syspreds] stream_position_data(char_count, '$stream_position'(1024, 34, 0, 1024), _1786260)
   Call: (202) [system] nonvar(char_count)
   Exit: (202) [system] nonvar(char_count)
   Call: (202) [$syspreds] stream_position_field(char_count, _1810418)
   Exit: (202) [$syspreds] stream_position_field(char_count, 1)
   Call: (202) [system] arg(1, '$stream_position'(1024, 34, 0, 1024), _1786260)
   Exit: (202) [system] arg(1, '$stream_position'(1024, 34, 0, 1024), 1024)
   Exit: (201) [$syspreds] stream_position_data(char_count, '$stream_position'(1024, 34, 0, 1024), 1024)
^  Exit: (200) [user] read_position((0x563acd73bee0), 34, 0, 1024, '$stream_position'(1024, 34, 0, 1024))
   Call: (200) [read_util] read_util:read_line_to_string((0x563acd73bee0), _1816012)
   Call: (201) [system] read_string((0x563acd73bee0), '\n', '\r', _1816942, _1816944)
   Exit: (201) [system] read_string((0x563acd73bee0), '\n', '\r', 10, ";; $kb: a nullary function to axiom")
   Call: (201) [system] 10\== -1
   Exit: (201) [system] 10\== -1
   Call: (201) [system] _1816012=";; $kb: a nullary function to axiom"
   Exit: (201) [system] ";; $kb: a nullary function to axiom"=";; $kb: a nullary function to axiom"
   Exit: (200) [read_util] read_util:read_line_to_string((0x563acd73bee0), ";; $kb: a nullary function to axiom")
^  Call: (200) [user] assertz(metta_file_comment(34, 0, 1024, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$stream_position'(1024, 34, 0, 1024)))
^  Exit: (200) [user] assertz(metta_file_comment(34, 0, 1024, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$stream_position'(1024, 34, 0, 1024)))
^  Exit: (199) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1827208)
   Exit: (200) [system] peek_char((0x563acd73bee0), ;)
   Call: (200) [system] (;)=(;)
   Exit: (200) [system] (;)=(;)
^  Call: (200) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (201) [user] read_position((0x563acd73bee0), _1831846, _1831848, _1831850, _1831852)
   Call: (202) [system] stream_property((0x563acd73bee0), position(_1831852))
   Call: (203) [system] nonvar((0x563acd73bee0))
   Exit: (203) [system] nonvar((0x563acd73bee0))
   Call: (203) [system] nonvar(position(_1831852))
   Exit: (203) [system] nonvar(position(_1831852))
   Exit: (202) [system] stream_property((0x563acd73bee0), position('$stream_position'(1060, 35, 0, 1060)))
   Call: (202) [$syspreds] stream_position_data(line_count, '$stream_position'(1060, 35, 0, 1060), _1831846)
   Call: (203) [system] nonvar(line_count)
   Exit: (203) [system] nonvar(line_count)
   Call: (203) [$syspreds] stream_position_field(line_count, _1841140)
   Exit: (203) [$syspreds] stream_position_field(line_count, 2)
   Call: (203) [system] arg(2, '$stream_position'(1060, 35, 0, 1060), _1831846)
   Exit: (203) [system] arg(2, '$stream_position'(1060, 35, 0, 1060), 35)
   Exit: (202) [$syspreds] stream_position_data(line_count, '$stream_position'(1060, 35, 0, 1060), 35)
   Call: (202) [$syspreds] stream_position_data(line_position, '$stream_position'(1060, 35, 0, 1060), _1831848)
   Call: (203) [system] nonvar(line_position)
   Exit: (203) [system] nonvar(line_position)
   Call: (203) [$syspreds] stream_position_field(line_position, _1848574)
   Exit: (203) [$syspreds] stream_position_field(line_position, 3)
   Call: (203) [system] arg(3, '$stream_position'(1060, 35, 0, 1060), _1831848)
   Exit: (203) [system] arg(3, '$stream_position'(1060, 35, 0, 1060), 0)
   Exit: (202) [$syspreds] stream_position_data(line_position, '$stream_position'(1060, 35, 0, 1060), 0)
   Call: (202) [$syspreds] stream_position_data(char_count, '$stream_position'(1060, 35, 0, 1060), _1831850)
   Call: (203) [system] nonvar(char_count)
   Exit: (203) [system] nonvar(char_count)
   Call: (203) [$syspreds] stream_position_field(char_count, _1856008)
   Exit: (203) [$syspreds] stream_position_field(char_count, 1)
   Call: (203) [system] arg(1, '$stream_position'(1060, 35, 0, 1060), _1831850)
   Exit: (203) [system] arg(1, '$stream_position'(1060, 35, 0, 1060), 1060)
   Exit: (202) [$syspreds] stream_position_data(char_count, '$stream_position'(1060, 35, 0, 1060), 1060)
^  Exit: (201) [user] read_position((0x563acd73bee0), 35, 0, 1060, '$stream_position'(1060, 35, 0, 1060))
   Call: (201) [read_util] read_util:read_line_to_string((0x563acd73bee0), _1861602)
   Call: (202) [system] read_string((0x563acd73bee0), '\n', '\r', _1862532, _1862534)
   Exit: (202) [system] read_string((0x563acd73bee0), '\n', '\r', 10, ";;\t\t to non-deterministically pick up")
   Call: (202) [system] 10\== -1
   Exit: (202) [system] 10\== -1
   Call: (202) [system] _1861602=";;\t\t to non-deterministically pick up"
   Exit: (202) [system] ";;\t\t to non-deterministically pick up"=";;\t\t to non-deterministically pick up"
   Exit: (201) [read_util] read_util:read_line_to_string((0x563acd73bee0), ";;\t\t to non-deterministically pick up")
^  Call: (201) [user] assertz(metta_file_comment(35, 0, 1060, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$stream_position'(1060, 35, 0, 1060)))
^  Exit: (201) [user] assertz(metta_file_comment(35, 0, 1060, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$stream_position'(1060, 35, 0, 1060)))
^  Exit: (200) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1872798)
   Exit: (201) [system] peek_char((0x563acd73bee0), ;)
   Call: (201) [system] (;)=(;)
   Exit: (201) [system] (;)=(;)
^  Call: (201) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (202) [user] read_position((0x563acd73bee0), _1877436, _1877438, _1877440, _1877442)
   Call: (203) [system] stream_property((0x563acd73bee0), position(_1877442))
   Call: (204) [system] nonvar((0x563acd73bee0))
   Exit: (204) [system] nonvar((0x563acd73bee0))
   Call: (204) [system] nonvar(position(_1877442))
   Exit: (204) [system] nonvar(position(_1877442))
   Exit: (203) [system] stream_property((0x563acd73bee0), position('$stream_position'(1098, 36, 0, 1098)))
   Call: (203) [$syspreds] stream_position_data(line_count, '$stream_position'(1098, 36, 0, 1098), _1877436)
   Call: (204) [system] nonvar(line_count)
   Exit: (204) [system] nonvar(line_count)
   Call: (204) [$syspreds] stream_position_field(line_count, _1886730)
   Exit: (204) [$syspreds] stream_position_field(line_count, 2)
   Call: (204) [system] arg(2, '$stream_position'(1098, 36, 0, 1098), _1877436)
   Exit: (204) [system] arg(2, '$stream_position'(1098, 36, 0, 1098), 36)
   Exit: (203) [$syspreds] stream_position_data(line_count, '$stream_position'(1098, 36, 0, 1098), 36)
   Call: (203) [$syspreds] stream_position_data(line_position, '$stream_position'(1098, 36, 0, 1098), _1877438)
   Call: (204) [system] nonvar(line_position)
   Exit: (204) [system] nonvar(line_position)
   Call: (204) [$syspreds] stream_position_field(line_position, _1894164)
   Exit: (204) [$syspreds] stream_position_field(line_position, 3)
   Call: (204) [system] arg(3, '$stream_position'(1098, 36, 0, 1098), _1877438)
   Exit: (204) [system] arg(3, '$stream_position'(1098, 36, 0, 1098), 0)
   Exit: (203) [$syspreds] stream_position_data(line_position, '$stream_position'(1098, 36, 0, 1098), 0)
   Call: (203) [$syspreds] stream_position_data(char_count, '$stream_position'(1098, 36, 0, 1098), _1877440)
   Call: (204) [system] nonvar(char_count)
   Exit: (204) [system] nonvar(char_count)
   Call: (204) [$syspreds] stream_position_field(char_count, _1901598)
   Exit: (204) [$syspreds] stream_position_field(char_count, 1)
   Call: (204) [system] arg(1, '$stream_position'(1098, 36, 0, 1098), _1877440)
   Exit: (204) [system] arg(1, '$stream_position'(1098, 36, 0, 1098), 1098)
   Exit: (203) [$syspreds] stream_position_data(char_count, '$stream_position'(1098, 36, 0, 1098), 1098)
^  Exit: (202) [user] read_position((0x563acd73bee0), 36, 0, 1098, '$stream_position'(1098, 36, 0, 1098))
   Call: (202) [read_util] read_util:read_line_to_string((0x563acd73bee0), _1907192)
   Call: (203) [system] read_string((0x563acd73bee0), '\n', '\r', _1908122, _1908124)
   Exit: (203) [system] read_string((0x563acd73bee0), '\n', '\r', 10, ";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (203) [system] 10\== -1
   Exit: (203) [system] 10\== -1
   Call: (203) [system] _1907192=";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE)."
   Exit: (203) [system] ";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE)."=";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE)."
   Exit: (202) [read_util] read_util:read_line_to_string((0x563acd73bee0), ";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
^  Call: (202) [user] assertz(metta_file_comment(36, 0, 1098, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$stream_position'(1098, 36, 0, 1098)))
^  Exit: (202) [user] assertz(metta_file_comment(36, 0, 1098, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$stream_position'(1098, 36, 0, 1098)))
^  Exit: (201) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1918396)
   Exit: (202) [system] peek_char((0x563acd73bee0), ;)
   Call: (202) [system] (;)=(;)
   Exit: (202) [system] (;)=(;)
^  Call: (202) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (203) [user] read_position((0x563acd73bee0), _1923034, _1923036, _1923038, _1923040)
   Call: (204) [system] stream_property((0x563acd73bee0), position(_1923040))
   Call: (205) [system] nonvar((0x563acd73bee0))
   Exit: (205) [system] nonvar((0x563acd73bee0))
   Call: (205) [system] nonvar(position(_1923040))
   Exit: (205) [system] nonvar(position(_1923040))
   Exit: (204) [system] stream_property((0x563acd73bee0), position('$stream_position'(1164, 37, 0, 1164)))
   Call: (204) [$syspreds] stream_position_data(line_count, '$stream_position'(1164, 37, 0, 1164), _1923034)
   Call: (205) [system] nonvar(line_count)
   Exit: (205) [system] nonvar(line_count)
   Call: (205) [$syspreds] stream_position_field(line_count, _1932328)
   Exit: (205) [$syspreds] stream_position_field(line_count, 2)
   Call: (205) [system] arg(2, '$stream_position'(1164, 37, 0, 1164), _1923034)
   Exit: (205) [system] arg(2, '$stream_position'(1164, 37, 0, 1164), 37)
   Exit: (204) [$syspreds] stream_position_data(line_count, '$stream_position'(1164, 37, 0, 1164), 37)
   Call: (204) [$syspreds] stream_position_data(line_position, '$stream_position'(1164, 37, 0, 1164), _1923036)
   Call: (205) [system] nonvar(line_position)
   Exit: (205) [system] nonvar(line_position)
   Call: (205) [$syspreds] stream_position_field(line_position, _1939762)
   Exit: (205) [$syspreds] stream_position_field(line_position, 3)
   Call: (205) [system] arg(3, '$stream_position'(1164, 37, 0, 1164), _1923036)
   Exit: (205) [system] arg(3, '$stream_position'(1164, 37, 0, 1164), 0)
   Exit: (204) [$syspreds] stream_position_data(line_position, '$stream_position'(1164, 37, 0, 1164), 0)
   Call: (204) [$syspreds] stream_position_data(char_count, '$stream_position'(1164, 37, 0, 1164), _1923038)
   Call: (205) [system] nonvar(char_count)
   Exit: (205) [system] nonvar(char_count)
   Call: (205) [$syspreds] stream_position_field(char_count, _1947196)
   Exit: (205) [$syspreds] stream_position_field(char_count, 1)
   Call: (205) [system] arg(1, '$stream_position'(1164, 37, 0, 1164), _1923038)
   Exit: (205) [system] arg(1, '$stream_position'(1164, 37, 0, 1164), 1164)
   Exit: (204) [$syspreds] stream_position_data(char_count, '$stream_position'(1164, 37, 0, 1164), 1164)
^  Exit: (203) [user] read_position((0x563acd73bee0), 37, 0, 1164, '$stream_position'(1164, 37, 0, 1164))
   Call: (203) [read_util] read_util:read_line_to_string((0x563acd73bee0), _1952790)
   Call: (204) [system] read_string((0x563acd73bee0), '\n', '\r', _1953720, _1953722)
   Exit: (204) [system] read_string((0x563acd73bee0), '\n', '\r', 10, ";;")
   Call: (204) [system] 10\== -1
   Exit: (204) [system] 10\== -1
   Call: (204) [system] _1952790=";;"
   Exit: (204) [system] ";;"=";;"
   Exit: (203) [read_util] read_util:read_line_to_string((0x563acd73bee0), ";;")
^  Call: (203) [user] assertz(metta_file_comment(37, 0, 1164, '$COMMENT'(";;", 37, 0), '$stream_position'(1164, 37, 0, 1164)))
^  Exit: (203) [user] assertz(metta_file_comment(37, 0, 1164, '$COMMENT'(";;", 37, 0), '$stream_position'(1164, 37, 0, 1164)))
^  Exit: (202) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1963978)
   Exit: (203) [system] peek_char((0x563acd73bee0), ;)
   Call: (203) [system] (;)=(;)
   Exit: (203) [system] (;)=(;)
^  Call: (203) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (204) [user] read_position((0x563acd73bee0), _1968616, _1968618, _1968620, _1968622)
   Call: (205) [system] stream_property((0x563acd73bee0), position(_1968622))
   Call: (206) [system] nonvar((0x563acd73bee0))
   Exit: (206) [system] nonvar((0x563acd73bee0))
   Call: (206) [system] nonvar(position(_1968622))
   Exit: (206) [system] nonvar(position(_1968622))
   Exit: (205) [system] stream_property((0x563acd73bee0), position('$stream_position'(1167, 38, 0, 1167)))
   Call: (205) [$syspreds] stream_position_data(line_count, '$stream_position'(1167, 38, 0, 1167), _1968616)
   Call: (206) [system] nonvar(line_count)
   Exit: (206) [system] nonvar(line_count)
   Call: (206) [$syspreds] stream_position_field(line_count, _1977910)
   Exit: (206) [$syspreds] stream_position_field(line_count, 2)
   Call: (206) [system] arg(2, '$stream_position'(1167, 38, 0, 1167), _1968616)
   Exit: (206) [system] arg(2, '$stream_position'(1167, 38, 0, 1167), 38)
   Exit: (205) [$syspreds] stream_position_data(line_count, '$stream_position'(1167, 38, 0, 1167), 38)
   Call: (205) [$syspreds] stream_position_data(line_position, '$stream_position'(1167, 38, 0, 1167), _1968618)
   Call: (206) [system] nonvar(line_position)
   Exit: (206) [system] nonvar(line_position)
   Call: (206) [$syspreds] stream_position_field(line_position, _1985344)
   Exit: (206) [$syspreds] stream_position_field(line_position, 3)
   Call: (206) [system] arg(3, '$stream_position'(1167, 38, 0, 1167), _1968618)
   Exit: (206) [system] arg(3, '$stream_position'(1167, 38, 0, 1167), 0)
   Exit: (205) [$syspreds] stream_position_data(line_position, '$stream_position'(1167, 38, 0, 1167), 0)
   Call: (205) [$syspreds] stream_position_data(char_count, '$stream_position'(1167, 38, 0, 1167), _1968620)
   Call: (206) [system] nonvar(char_count)
   Exit: (206) [system] nonvar(char_count)
   Call: (206) [$syspreds] stream_position_field(char_count, _1992778)
   Exit: (206) [$syspreds] stream_position_field(char_count, 1)
   Call: (206) [system] arg(1, '$stream_position'(1167, 38, 0, 1167), _1968620)
   Exit: (206) [system] arg(1, '$stream_position'(1167, 38, 0, 1167), 1167)
   Exit: (205) [$syspreds] stream_position_data(char_count, '$stream_position'(1167, 38, 0, 1167), 1167)
^  Exit: (204) [user] read_position((0x563acd73bee0), 38, 0, 1167, '$stream_position'(1167, 38, 0, 1167))
   Call: (204) [read_util] read_util:read_line_to_string((0x563acd73bee0), _1998372)
   Call: (205) [system] read_string((0x563acd73bee0), '\n', '\r', _1999302, _1999304)
   Exit: (205) [system] read_string((0x563acd73bee0), '\n', '\r', 10, ";; $rb: a nullary function to rule")
   Call: (205) [system] 10\== -1
   Exit: (205) [system] 10\== -1
   Call: (205) [system] _1998372=";; $rb: a nullary function to rule"
   Exit: (205) [system] ";; $rb: a nullary function to rule"=";; $rb: a nullary function to rule"
   Exit: (204) [read_util] read_util:read_line_to_string((0x563acd73bee0), ";; $rb: a nullary function to rule")
^  Call: (204) [user] assertz(metta_file_comment(38, 0, 1167, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$stream_position'(1167, 38, 0, 1167)))
^  Exit: (204) [user] assertz(metta_file_comment(38, 0, 1167, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$stream_position'(1167, 38, 0, 1167)))
^  Exit: (203) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _2009568)
   Exit: (204) [system] peek_char((0x563acd73bee0), ;)
   Call: (204) [system] (;)=(;)
   Exit: (204) [system] (;)=(;)
^  Call: (204) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (205) [user] read_position((0x563acd73bee0), _2014206, _2014208, _2014210, _2014212)
   Call: (206) [system] stream_property((0x563acd73bee0), position(_2014212))
   Call: (207) [system] nonvar((0x563acd73bee0))
   Exit: (207) [system] nonvar((0x563acd73bee0))
   Call: (207) [system] nonvar(position(_2014212))
   Exit: (207) [system] nonvar(position(_2014212))
   Exit: (206) [system] stream_property((0x563acd73bee0), position('$stream_position'(1202, 39, 0, 1202)))
   Call: (206) [$syspreds] stream_position_data(line_count, '$stream_position'(1202, 39, 0, 1202), _2014206)
   Call: (207) [system] nonvar(line_count)
   Exit: (207) [system] nonvar(line_count)
   Call: (207) [$syspreds] stream_position_field(line_count, _2023500)
   Exit: (207) [$syspreds] stream_position_field(line_count, 2)
   Call: (207) [system] arg(2, '$stream_position'(1202, 39, 0, 1202), _2014206)
   Exit: (207) [system] arg(2, '$stream_position'(1202, 39, 0, 1202), 39)
   Exit: (206) [$syspreds] stream_position_data(line_count, '$stream_position'(1202, 39, 0, 1202), 39)
   Call: (206) [$syspreds] stream_position_data(line_position, '$stream_position'(1202, 39, 0, 1202), _2014208)
   Call: (207) [system] nonvar(line_position)
   Exit: (207) [system] nonvar(line_position)
   Call: (207) [$syspreds] stream_position_field(line_position, _2030934)
   Exit: (207) [$syspreds] stream_position_field(line_position, 3)
   Call: (207) [system] arg(3, '$stream_position'(1202, 39, 0, 1202), _2014208)
   Exit: (207) [system] arg(3, '$stream_position'(1202, 39, 0, 1202), 0)
   Exit: (206) [$syspreds] stream_position_data(line_position, '$stream_position'(1202, 39, 0, 1202), 0)
   Call: (206) [$syspreds] stream_position_data(char_count, '$stream_position'(1202, 39, 0, 1202), _2014210)
   Call: (207) [system] nonvar(char_count)
   Exit: (207) [system] nonvar(char_count)
   Call: (207) [$syspreds] stream_position_field(char_count, _2038368)
   Exit: (207) [$syspreds] stream_position_field(char_count, 1)
   Call: (207) [system] arg(1, '$stream_position'(1202, 39, 0, 1202), _2014210)
   Exit: (207) [system] arg(1, '$stream_position'(1202, 39, 0, 1202), 1202)
   Exit: (206) [$syspreds] stream_position_data(char_count, '$stream_position'(1202, 39, 0, 1202), 1202)
^  Exit: (205) [user] read_position((0x563acd73bee0), 39, 0, 1202, '$stream_position'(1202, 39, 0, 1202))
   Call: (205) [read_util] read_util:read_line_to_string((0x563acd73bee0), _2043962)
   Call: (206) [system] read_string((0x563acd73bee0), '\n', '\r', _2044892, _2044894)
   Exit: (206) [system] read_string((0x563acd73bee0), '\n', '\r', 10, ";;\t\t to non-deterministically pick up a")
   Call: (206) [system] 10\== -1
   Exit: (206) [system] 10\== -1
   Call: (206) [system] _2043962=";;\t\t to non-deterministically pick up a"
   Exit: (206) [system] ";;\t\t to non-deterministically pick up a"=";;\t\t to non-deterministically pick up a"
   Exit: (205) [read_util] read_util:read_line_to_string((0x563acd73bee0), ";;\t\t to non-deterministically pick up a")
^  Call: (205) [user] assertz(metta_file_comment(39, 0, 1202, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$stream_position'(1202, 39, 0, 1202)))
^  Exit: (205) [user] assertz(metta_file_comment(39, 0, 1202, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$stream_position'(1202, 39, 0, 1202)))
^  Exit: (204) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _2055160)
   Exit: (205) [system] peek_char((0x563acd73bee0), ;)
   Call: (205) [system] (;)=(;)
   Exit: (205) [system] (;)=(;)
^  Call: (205) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (206) [user] read_position((0x563acd73bee0), _2059798, _2059800, _2059802, _2059804)
   Call: (207) [system] stream_property((0x563acd73bee0), position(_2059804))
   Call: (208) [system] nonvar((0x563acd73bee0))
   Exit: (208) [system] nonvar((0x563acd73bee0))
   Call: (208) [system] nonvar(position(_2059804))
   Exit: (208) [system] nonvar(position(_2059804))
   Exit: (207) [system] stream_property((0x563acd73bee0), position('$stream_position'(1242, 40, 0, 1242)))
   Call: (207) [$syspreds] stream_position_data(line_count, '$stream_position'(1242, 40, 0, 1242), _2059798)
   Call: (208) [system] nonvar(line_count)
   Exit: (208) [system] nonvar(line_count)
   Call: (208) [$syspreds] stream_position_field(line_count, _2069092)
   Exit: (208) [$syspreds] stream_position_field(line_count, 2)
   Call: (208) [system] arg(2, '$stream_position'(1242, 40, 0, 1242), _2059798)
   Exit: (208) [system] arg(2, '$stream_position'(1242, 40, 0, 1242), 40)
   Exit: (207) [$syspreds] stream_position_data(line_count, '$stream_position'(1242, 40, 0, 1242), 40)
   Call: (207) [$syspreds] stream_position_data(line_position, '$stream_position'(1242, 40, 0, 1242), _2059800)
   Call: (208) [system] nonvar(line_position)
   Exit: (208) [system] nonvar(line_position)
   Call: (208) [$syspreds] stream_position_field(line_position, _2076526)
   Exit: (208) [$syspreds] stream_position_field(line_position, 3)
   Call: (208) [system] arg(3, '$stream_position'(1242, 40, 0, 1242), _2059800)
   Exit: (208) [system] arg(3, '$stream_position'(1242, 40, 0, 1242), 0)
   Exit: (207) [$syspreds] stream_position_data(line_position, '$stream_position'(1242, 40, 0, 1242), 0)
   Call: (207) [$syspreds] stream_position_data(char_count, '$stream_position'(1242, 40, 0, 1242), _2059802)
   Call: (208) [system] nonvar(char_count)
   Exit: (208) [system] nonvar(char_count)
   Call: (208) [$syspreds] stream_position_field(char_count, _2083960)
   Exit: (208) [$syspreds] stream_position_field(char_count, 1)
   Call: (208) [system] arg(1, '$stream_position'(1242, 40, 0, 1242), _2059802)
   Exit: (208) [system] arg(1, '$stream_position'(1242, 40, 0, 1242), 1242)
   Exit: (207) [$syspreds] stream_position_data(char_count, '$stream_position'(1242, 40, 0, 1242), 1242)
^  Exit: (206) [user] read_position((0x563acd73bee0), 40, 0, 1242, '$stream_position'(1242, 40, 0, 1242))
   Call: (206) [read_util] read_util:read_line_to_string((0x563acd73bee0), _2089554)
   Call: (207) [system] read_string((0x563acd73bee0), '\n', '\r', _2090484, _2090486)
   Exit: (207) [system] read_string((0x563acd73bee0), '\n', '\r', 10, ";;      rule.  A rule is a function mapping premises to conclusion")
   Call: (207) [system] 10\== -1
   Exit: (207) [system] 10\== -1
   Call: (207) [system] _2089554=";;      rule.  A rule is a function mapping premises to conclusion"
   Exit: (207) [system] ";;      rule.  A rule is a function mapping premises to conclusion"=";;      rule.  A rule is a function mapping premises to conclusion"
   Exit: (206) [read_util] read_util:read_line_to_string((0x563acd73bee0), ";;      rule.  A rule is a function mapping premises to conclusion")
^  Call: (206) [user] assertz(metta_file_comment(40, 0, 1242, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$stream_position'(1242, 40, 0, 1242)))
^  Exit: (206) [user] assertz(metta_file_comment(40, 0, 1242, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$stream_position'(1242, 40, 0, 1242)))
^  Exit: (205) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _7530)
   Exit: (206) [system] peek_char((0x563acd73bee0), ;)
   Call: (206) [system] (;)=(;)
   Exit: (206) [system] (;)=(;)
^  Call: (206) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (207) [user] read_position((0x563acd73bee0), _12168, _12170, _12172, _12174)
   Call: (208) [system] stream_property((0x563acd73bee0), position(_12174))
   Call: (209) [system] nonvar((0x563acd73bee0))
   Exit: (209) [system] nonvar((0x563acd73bee0))
   Call: (209) [system] nonvar(position(_12174))
   Exit: (209) [system] nonvar(position(_12174))
   Exit: (208) [system] stream_property((0x563acd73bee0), position('$stream_position'(1309, 41, 0, 1309)))
   Call: (208) [$syspreds] stream_position_data(line_count, '$stream_position'(1309, 41, 0, 1309), _12168)
   Call: (209) [system] nonvar(line_count)
   Exit: (209) [system] nonvar(line_count)
   Call: (209) [$syspreds] stream_position_field(line_count, _21462)
   Exit: (209) [$syspreds] stream_position_field(line_count, 2)
   Call: (209) [system] arg(2, '$stream_position'(1309, 41, 0, 1309), _12168)
   Exit: (209) [system] arg(2, '$stream_position'(1309, 41, 0, 1309), 41)
   Exit: (208) [$syspreds] stream_position_data(line_count, '$stream_position'(1309, 41, 0, 1309), 41)
   Call: (208) [$syspreds] stream_position_data(line_position, '$stream_position'(1309, 41, 0, 1309), _12170)
   Call: (209) [system] nonvar(line_position)
   Exit: (209) [system] nonvar(line_position)
   Call: (209) [$syspreds] stream_position_field(line_position, _28896)
   Exit: (209) [$syspreds] stream_position_field(line_position, 3)
   Call: (209) [system] arg(3, '$stream_position'(1309, 41, 0, 1309), _12170)
   Exit: (209) [system] arg(3, '$stream_position'(1309, 41, 0, 1309), 0)
   Exit: (208) [$syspreds] stream_position_data(line_position, '$stream_position'(1309, 41, 0, 1309), 0)
   Call: (208) [$syspreds] stream_position_data(char_count, '$stream_position'(1309, 41, 0, 1309), _12172)
   Call: (209) [system] nonvar(char_count)
   Exit: (209) [system] nonvar(char_count)
   Call: (209) [$syspreds] stream_position_field(char_count, _36330)
   Exit: (209) [$syspreds] stream_position_field(char_count, 1)
   Call: (209) [system] arg(1, '$stream_position'(1309, 41, 0, 1309), _12172)
   Exit: (209) [system] arg(1, '$stream_position'(1309, 41, 0, 1309), 1309)
   Exit: (208) [$syspreds] stream_position_data(char_count, '$stream_position'(1309, 41, 0, 1309), 1309)
^  Exit: (207) [user] read_position((0x563acd73bee0), 41, 0, 1309, '$stream_position'(1309, 41, 0, 1309))
   Call: (207) [read_util] read_util:read_line_to_string((0x563acd73bee0), _41924)
   Call: (208) [system] read_string((0x563acd73bee0), '\n', '\r', _42854, _42856)
   Exit: (208) [system] read_string((0x563acd73bee0), '\n', '\r', 10, ";;\t\t")
   Call: (208) [system] 10\== -1
   Exit: (208) [system] 10\== -1
   Call: (208) [system] _41924=";;\t\t"
   Exit: (208) [system] ";;\t\t"=";;\t\t"
   Exit: (207) [read_util] read_util:read_line_to_string((0x563acd73bee0), ";;\t\t")
^  Call: (207) [user] assertz(metta_file_comment(41, 0, 1309, '$COMMENT'(";;\t\t", 41, 0), '$stream_position'(1309, 41, 0, 1309)))
^  Exit: (207) [user] assertz(metta_file_comment(41, 0, 1309, '$COMMENT'(";;\t\t", 41, 0), '$stream_position'(1309, 41, 0, 1309)))
^  Exit: (206) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _53112)
   Exit: (207) [system] peek_char((0x563acd73bee0), ;)
   Call: (207) [system] (;)=(;)
   Exit: (207) [system] (;)=(;)
^  Call: (207) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (208) [user] read_position((0x563acd73bee0), _57750, _57752, _57754, _57756)
   Call: (209) [system] stream_property((0x563acd73bee0), position(_57756))
   Call: (210) [system] nonvar((0x563acd73bee0))
   Exit: (210) [system] nonvar((0x563acd73bee0))
   Call: (210) [system] nonvar(position(_57756))
   Exit: (210) [system] nonvar(position(_57756))
   Exit: (209) [system] stream_property((0x563acd73bee0), position('$stream_position'(1314, 42, 0, 1314)))
   Call: (209) [$syspreds] stream_position_data(line_count, '$stream_position'(1314, 42, 0, 1314), _57750)
   Call: (210) [system] nonvar(line_count)
   Exit: (210) [system] nonvar(line_count)
   Call: (210) [$syspreds] stream_position_field(line_count, _67044)
   Exit: (210) [$syspreds] stream_position_field(line_count, 2)
   Call: (210) [system] arg(2, '$stream_position'(1314, 42, 0, 1314), _57750)
   Exit: (210) [system] arg(2, '$stream_position'(1314, 42, 0, 1314), 42)
   Exit: (209) [$syspreds] stream_position_data(line_count, '$stream_position'(1314, 42, 0, 1314), 42)
   Call: (209) [$syspreds] stream_position_data(line_position, '$stream_position'(1314, 42, 0, 1314), _57752)
   Call: (210) [system] nonvar(line_position)
   Exit: (210) [system] nonvar(line_position)
   Call: (210) [$syspreds] stream_position_field(line_position, _74478)
   Exit: (210) [$syspreds] stream_position_field(line_position, 3)
   Call: (210) [system] arg(3, '$stream_position'(1314, 42, 0, 1314), _57752)
   Exit: (210) [system] arg(3, '$stream_position'(1314, 42, 0, 1314), 0)
   Exit: (209) [$syspreds] stream_position_data(line_position, '$stream_position'(1314, 42, 0, 1314), 0)
   Call: (209) [$syspreds] stream_position_data(char_count, '$stream_position'(1314, 42, 0, 1314), _57754)
   Call: (210) [system] nonvar(char_count)
   Exit: (210) [system] nonvar(char_count)
   Call: (210) [$syspreds] stream_position_field(char_count, _81912)
   Exit: (210) [$syspreds] stream_position_field(char_count, 1)
   Call: (210) [system] arg(1, '$stream_position'(1314, 42, 0, 1314), _57754)
   Exit: (210) [system] arg(1, '$stream_position'(1314, 42, 0, 1314), 1314)
   Exit: (209) [$syspreds] stream_position_data(char_count, '$stream_position'(1314, 42, 0, 1314), 1314)
^  Exit: (208) [user] read_position((0x563acd73bee0), 42, 0, 1314, '$stream_position'(1314, 42, 0, 1314))
   Call: (208) [read_util] read_util:read_line_to_string((0x563acd73bee0), _87506)
   Call: (209) [system] read_string((0x563acd73bee0), '\n', '\r', _88436, _88438)
   Exit: (209) [system] read_string((0x563acd73bee0), '\n', '\r', 10, ";;      where premises and conclusion have the form (: TERM TYPE).")
   Call: (209) [system] 10\== -1
   Exit: (209) [system] 10\== -1
   Call: (209) [system] _87506=";;      where premises and conclusion have the form (: TERM TYPE)."
   Exit: (209) [system] ";;      where premises and conclusion have the form (: TERM TYPE)."=";;      where premises and conclusion have the form (: TERM TYPE)."
   Exit: (208) [read_util] read_util:read_line_to_string((0x563acd73bee0), ";;      where premises and conclusion have the form (: TERM TYPE).")
^  Call: (208) [user] assertz(metta_file_comment(42, 0, 1314, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$stream_position'(1314, 42, 0, 1314)))
^  Exit: (208) [user] assertz(metta_file_comment(42, 0, 1314, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$stream_position'(1314, 42, 0, 1314)))
^  Exit: (207) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _98710)
   Exit: (208) [system] peek_char((0x563acd73bee0), ;)
   Call: (208) [system] (;)=(;)
   Exit: (208) [system] (;)=(;)
^  Call: (208) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (209) [user] read_position((0x563acd73bee0), _103348, _103350, _103352, _103354)
   Call: (210) [system] stream_property((0x563acd73bee0), position(_103354))
   Call: (211) [system] nonvar((0x563acd73bee0))
   Exit: (211) [system] nonvar((0x563acd73bee0))
   Call: (211) [system] nonvar(position(_103354))
   Exit: (211) [system] nonvar(position(_103354))
   Exit: (210) [system] stream_property((0x563acd73bee0), position('$stream_position'(1381, 43, 0, 1381)))
   Call: (210) [$syspreds] stream_position_data(line_count, '$stream_position'(1381, 43, 0, 1381), _103348)
   Call: (211) [system] nonvar(line_count)
   Exit: (211) [system] nonvar(line_count)
   Call: (211) [$syspreds] stream_position_field(line_count, _112642)
   Exit: (211) [$syspreds] stream_position_field(line_count, 2)
   Call: (211) [system] arg(2, '$stream_position'(1381, 43, 0, 1381), _103348)
   Exit: (211) [system] arg(2, '$stream_position'(1381, 43, 0, 1381), 43)
   Exit: (210) [$syspreds] stream_position_data(line_count, '$stream_position'(1381, 43, 0, 1381), 43)
   Call: (210) [$syspreds] stream_position_data(line_position, '$stream_position'(1381, 43, 0, 1381), _103350)
   Call: (211) [system] nonvar(line_position)
   Exit: (211) [system] nonvar(line_position)
   Call: (211) [$syspreds] stream_position_field(line_position, _120076)
   Exit: (211) [$syspreds] stream_position_field(line_position, 3)
   Call: (211) [system] arg(3, '$stream_position'(1381, 43, 0, 1381), _103350)
   Exit: (211) [system] arg(3, '$stream_position'(1381, 43, 0, 1381), 0)
   Exit: (210) [$syspreds] stream_position_data(line_position, '$stream_position'(1381, 43, 0, 1381), 0)
   Call: (210) [$syspreds] stream_position_data(char_count, '$stream_position'(1381, 43, 0, 1381), _103352)
   Call: (211) [system] nonvar(char_count)
   Exit: (211) [system] nonvar(char_count)
   Call: (211) [$syspreds] stream_position_field(char_count, _127510)
   Exit: (211) [$syspreds] stream_position_field(char_count, 1)
   Call: (211) [system] arg(1, '$stream_position'(1381, 43, 0, 1381), _103352)
   Exit: (211) [system] arg(1, '$stream_position'(1381, 43, 0, 1381), 1381)
   Exit: (210) [$syspreds] stream_position_data(char_count, '$stream_position'(1381, 43, 0, 1381), 1381)
^  Exit: (209) [user] read_position((0x563acd73bee0), 43, 0, 1381, '$stream_position'(1381, 43, 0, 1381))
   Call: (209) [read_util] read_util:read_line_to_string((0x563acd73bee0), _133104)
   Call: (210) [system] read_string((0x563acd73bee0), '\n', '\r', _134034, _134036)
   Exit: (210) [system] read_string((0x563acd73bee0), '\n', '\r', 10, ";;")
   Call: (210) [system] 10\== -1
   Exit: (210) [system] 10\== -1
   Call: (210) [system] _133104=";;"
   Exit: (210) [system] ";;"=";;"
   Exit: (209) [read_util] read_util:read_line_to_string((0x563acd73bee0), ";;")
^  Call: (209) [user] assertz(metta_file_comment(43, 0, 1381, '$COMMENT'(";;", 43, 0), '$stream_position'(1381, 43, 0, 1381)))
^  Exit: (209) [user] assertz(metta_file_comment(43, 0, 1381, '$COMMENT'(";;", 43, 0), '$stream_position'(1381, 43, 0, 1381)))
^  Exit: (208) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _144292)
   Exit: (209) [system] peek_char((0x563acd73bee0), ;)
   Call: (209) [system] (;)=(;)
   Exit: (209) [system] (;)=(;)
^  Call: (209) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (210) [user] read_position((0x563acd73bee0), _148930, _148932, _148934, _148936)
   Call: (211) [system] stream_property((0x563acd73bee0), position(_148936))
   Call: (212) [system] nonvar((0x563acd73bee0))
   Exit: (212) [system] nonvar((0x563acd73bee0))
   Call: (212) [system] nonvar(position(_148936))
   Exit: (212) [system] nonvar(position(_148936))
   Exit: (211) [system] stream_property((0x563acd73bee0), position('$stream_position'(1384, 44, 0, 1384)))
   Call: (211) [$syspreds] stream_position_data(line_count, '$stream_position'(1384, 44, 0, 1384), _148930)
   Call: (212) [system] nonvar(line_count)
   Exit: (212) [system] nonvar(line_count)
   Call: (212) [$syspreds] stream_position_field(line_count, _158224)
   Exit: (212) [$syspreds] stream_position_field(line_count, 2)
   Call: (212) [system] arg(2, '$stream_position'(1384, 44, 0, 1384), _148930)
   Exit: (212) [system] arg(2, '$stream_position'(1384, 44, 0, 1384), 44)
   Exit: (211) [$syspreds] stream_position_data(line_count, '$stream_position'(1384, 44, 0, 1384), 44)
   Call: (211) [$syspreds] stream_position_data(line_position, '$stream_position'(1384, 44, 0, 1384), _148932)
   Call: (212) [system] nonvar(line_position)
   Exit: (212) [system] nonvar(line_position)
   Call: (212) [$syspreds] stream_position_field(line_position, _165658)
   Exit: (212) [$syspreds] stream_position_field(line_position, 3)
   Call: (212) [system] arg(3, '$stream_position'(1384, 44, 0, 1384), _148932)
   Exit: (212) [system] arg(3, '$stream_position'(1384, 44, 0, 1384), 0)
   Exit: (211) [$syspreds] stream_position_data(line_position, '$stream_position'(1384, 44, 0, 1384), 0)
   Call: (211) [$syspreds] stream_position_data(char_count, '$stream_position'(1384, 44, 0, 1384), _148934)
   Call: (212) [system] nonvar(char_count)
   Exit: (212) [system] nonvar(char_count)
   Call: (212) [$syspreds] stream_position_field(char_count, _173092)
   Exit: (212) [$syspreds] stream_position_field(char_count, 1)
   Call: (212) [system] arg(1, '$stream_position'(1384, 44, 0, 1384), _148934)
   Exit: (212) [system] arg(1, '$stream_position'(1384, 44, 0, 1384), 1384)
   Exit: (211) [$syspreds] stream_position_data(char_count, '$stream_position'(1384, 44, 0, 1384), 1384)
^  Exit: (210) [user] read_position((0x563acd73bee0), 44, 0, 1384, '$stream_position'(1384, 44, 0, 1384))
   Call: (210) [read_util] read_util:read_line_to_string((0x563acd73bee0), _178686)
   Call: (211) [system] read_string((0x563acd73bee0), '\n', '\r', _179616, _179618)
   Exit: (211) [system] read_string((0x563acd73bee0), '\n', '\r', 10, ";; $depth: a Nat representing the maximum depth of the generated")
   Call: (211) [system] 10\== -1
   Exit: (211) [system] 10\== -1
   Call: (211) [system] _178686=";; $depth: a Nat representing the maximum depth of the generated"
   Exit: (211) [system] ";; $depth: a Nat representing the maximum depth of the generated"=";; $depth: a Nat representing the maximum depth of the generated"
   Exit: (210) [read_util] read_util:read_line_to_string((0x563acd73bee0), ";; $depth: a Nat representing the maximum depth of the generated")
^  Call: (210) [user] assertz(metta_file_comment(44, 0, 1384, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$stream_position'(1384, 44, 0, 1384)))
^  Exit: (210) [user] assertz(metta_file_comment(44, 0, 1384, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$stream_position'(1384, 44, 0, 1384)))
^  Exit: (209) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _189890)
   Exit: (210) [system] peek_char((0x563acd73bee0), ;)
   Call: (210) [system] (;)=(;)
   Exit: (210) [system] (;)=(;)
^  Call: (210) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (211) [user] read_position((0x563acd73bee0), _194528, _194530, _194532, _194534)
   Call: (212) [system] stream_property((0x563acd73bee0), position(_194534))
   Call: (213) [system] nonvar((0x563acd73bee0))
   Exit: (213) [system] nonvar((0x563acd73bee0))
   Call: (213) [system] nonvar(position(_194534))
   Exit: (213) [system] nonvar(position(_194534))
   Exit: (212) [system] stream_property((0x563acd73bee0), position('$stream_position'(1449, 45, 0, 1449)))
   Call: (212) [$syspreds] stream_position_data(line_count, '$stream_position'(1449, 45, 0, 1449), _194528)
   Call: (213) [system] nonvar(line_count)
   Exit: (213) [system] nonvar(line_count)
   Call: (213) [$syspreds] stream_position_field(line_count, _203822)
   Exit: (213) [$syspreds] stream_position_field(line_count, 2)
   Call: (213) [system] arg(2, '$stream_position'(1449, 45, 0, 1449), _194528)
   Exit: (213) [system] arg(2, '$stream_position'(1449, 45, 0, 1449), 45)
   Exit: (212) [$syspreds] stream_position_data(line_count, '$stream_position'(1449, 45, 0, 1449), 45)
   Call: (212) [$syspreds] stream_position_data(line_position, '$stream_position'(1449, 45, 0, 1449), _194530)
   Call: (213) [system] nonvar(line_position)
   Exit: (213) [system] nonvar(line_position)
   Call: (213) [$syspreds] stream_position_field(line_position, _211256)
   Exit: (213) [$syspreds] stream_position_field(line_position, 3)
   Call: (213) [system] arg(3, '$stream_position'(1449, 45, 0, 1449), _194530)
   Exit: (213) [system] arg(3, '$stream_position'(1449, 45, 0, 1449), 0)
   Exit: (212) [$syspreds] stream_position_data(line_position, '$stream_position'(1449, 45, 0, 1449), 0)
   Call: (212) [$syspreds] stream_position_data(char_count, '$stream_position'(1449, 45, 0, 1449), _194532)
   Call: (213) [system] nonvar(char_count)
   Exit: (213) [system] nonvar(char_count)
   Call: (213) [$syspreds] stream_position_field(char_count, _218690)
   Exit: (213) [$syspreds] stream_position_field(char_count, 1)
   Call: (213) [system] arg(1, '$stream_position'(1449, 45, 0, 1449), _194532)
   Exit: (213) [system] arg(1, '$stream_position'(1449, 45, 0, 1449), 1449)
   Exit: (212) [$syspreds] stream_position_data(char_count, '$stream_position'(1449, 45, 0, 1449), 1449)
^  Exit: (211) [user] read_position((0x563acd73bee0), 45, 0, 1449, '$stream_position'(1449, 45, 0, 1449))
   Call: (211) [read_util] read_util:read_line_to_string((0x563acd73bee0), _224284)
   Call: (212) [system] read_string((0x563acd73bee0), '\n', '\r', _225214, _225216)
   Exit: (212) [system] read_string((0x563acd73bee0), '\n', '\r', 10, ";;         programs.")
   Call: (212) [system] 10\== -1
   Exit: (212) [system] 10\== -1
   Call: (212) [system] _224284=";;         programs."
   Exit: (212) [system] ";;         programs."=";;         programs."
   Exit: (211) [read_util] read_util:read_line_to_string((0x563acd73bee0), ";;         programs.")
^  Call: (211) [user] assertz(metta_file_comment(45, 0, 1449, '$COMMENT'(";;         programs.", 45, 0), '$stream_position'(1449, 45, 0, 1449)))
^  Exit: (211) [user] assertz(metta_file_comment(45, 0, 1449, '$COMMENT'(";;         programs.", 45, 0), '$stream_position'(1449, 45, 0, 1449)))
^  Exit: (210) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _235476)
   Exit: (211) [system] peek_char((0x563acd73bee0), ;)
   Call: (211) [system] (;)=(;)
   Exit: (211) [system] (;)=(;)
^  Call: (211) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (212) [user] read_position((0x563acd73bee0), _240114, _240116, _240118, _240120)
   Call: (213) [system] stream_property((0x563acd73bee0), position(_240120))
   Call: (214) [system] nonvar((0x563acd73bee0))
   Exit: (214) [system] nonvar((0x563acd73bee0))
   Call: (214) [system] nonvar(position(_240120))
   Exit: (214) [system] nonvar(position(_240120))
   Exit: (213) [system] stream_property((0x563acd73bee0), position('$stream_position'(1470, 46, 0, 1470)))
   Call: (213) [$syspreds] stream_position_data(line_count, '$stream_position'(1470, 46, 0, 1470), _240114)
   Call: (214) [system] nonvar(line_count)
   Exit: (214) [system] nonvar(line_count)
   Call: (214) [$syspreds] stream_position_field(line_count, _249408)
   Exit: (214) [$syspreds] stream_position_field(line_count, 2)
   Call: (214) [system] arg(2, '$stream_position'(1470, 46, 0, 1470), _240114)
   Exit: (214) [system] arg(2, '$stream_position'(1470, 46, 0, 1470), 46)
   Exit: (213) [$syspreds] stream_position_data(line_count, '$stream_position'(1470, 46, 0, 1470), 46)
   Call: (213) [$syspreds] stream_position_data(line_position, '$stream_position'(1470, 46, 0, 1470), _240116)
   Call: (214) [system] nonvar(line_position)
   Exit: (214) [system] nonvar(line_position)
   Call: (214) [$syspreds] stream_position_field(line_position, _256842)
   Exit: (214) [$syspreds] stream_position_field(line_position, 3)
   Call: (214) [system] arg(3, '$stream_position'(1470, 46, 0, 1470), _240116)
   Exit: (214) [system] arg(3, '$stream_position'(1470, 46, 0, 1470), 0)
   Exit: (213) [$syspreds] stream_position_data(line_position, '$stream_position'(1470, 46, 0, 1470), 0)
   Call: (213) [$syspreds] stream_position_data(char_count, '$stream_position'(1470, 46, 0, 1470), _240118)
   Call: (214) [system] nonvar(char_count)
   Exit: (214) [system] nonvar(char_count)
   Call: (214) [$syspreds] stream_position_field(char_count, _264276)
   Exit: (214) [$syspreds] stream_position_field(char_count, 1)
   Call: (214) [system] arg(1, '$stream_position'(1470, 46, 0, 1470), _240118)
   Exit: (214) [system] arg(1, '$stream_position'(1470, 46, 0, 1470), 1470)
   Exit: (213) [$syspreds] stream_position_data(char_count, '$stream_position'(1470, 46, 0, 1470), 1470)
^  Exit: (212) [user] read_position((0x563acd73bee0), 46, 0, 1470, '$stream_position'(1470, 46, 0, 1470))
   Call: (212) [read_util] read_util:read_line_to_string((0x563acd73bee0), _269870)
   Call: (213) [system] read_string((0x563acd73bee0), '\n', '\r', _270800, _270802)
   Exit: (213) [system] read_string((0x563acd73bee0), '\n', '\r', 10, ";;")
   Call: (213) [system] 10\== -1
   Exit: (213) [system] 10\== -1
   Call: (213) [system] _269870=";;"
   Exit: (213) [system] ";;"=";;"
   Exit: (212) [read_util] read_util:read_line_to_string((0x563acd73bee0), ";;")
^  Call: (212) [user] assertz(metta_file_comment(46, 0, 1470, '$COMMENT'(";;", 46, 0), '$stream_position'(1470, 46, 0, 1470)))
^  Exit: (212) [user] assertz(metta_file_comment(46, 0, 1470, '$COMMENT'(";;", 46, 0), '$stream_position'(1470, 46, 0, 1470)))
^  Exit: (211) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _281058)
   Exit: (212) [system] peek_char((0x563acd73bee0), ;)
   Call: (212) [system] (;)=(;)
   Exit: (212) [system] (;)=(;)
^  Call: (212) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (213) [user] read_position((0x563acd73bee0), _285696, _285698, _285700, _285702)
   Call: (214) [system] stream_property((0x563acd73bee0), position(_285702))
   Call: (215) [system] nonvar((0x563acd73bee0))
   Exit: (215) [system] nonvar((0x563acd73bee0))
   Call: (215) [system] nonvar(position(_285702))
   Exit: (215) [system] nonvar(position(_285702))
   Exit: (214) [system] stream_property((0x563acd73bee0), position('$stream_position'(1473, 47, 0, 1473)))
   Call: (214) [$syspreds] stream_position_data(line_count, '$stream_position'(1473, 47, 0, 1473), _285696)
   Call: (215) [system] nonvar(line_count)
   Exit: (215) [system] nonvar(line_count)
   Call: (215) [$syspreds] stream_position_field(line_count, _294990)
   Exit: (215) [$syspreds] stream_position_field(line_count, 2)
   Call: (215) [system] arg(2, '$stream_position'(1473, 47, 0, 1473), _285696)
   Exit: (215) [system] arg(2, '$stream_position'(1473, 47, 0, 1473), 47)
   Exit: (214) [$syspreds] stream_position_data(line_count, '$stream_position'(1473, 47, 0, 1473), 47)
   Call: (214) [$syspreds] stream_position_data(line_position, '$stream_position'(1473, 47, 0, 1473), _285698)
   Call: (215) [system] nonvar(line_position)
   Exit: (215) [system] nonvar(line_position)
   Call: (215) [$syspreds] stream_position_field(line_position, _302424)
   Exit: (215) [$syspreds] stream_position_field(line_position, 3)
   Call: (215) [system] arg(3, '$stream_position'(1473, 47, 0, 1473), _285698)
   Exit: (215) [system] arg(3, '$stream_position'(1473, 47, 0, 1473), 0)
   Exit: (214) [$syspreds] stream_position_data(line_position, '$stream_position'(1473, 47, 0, 1473), 0)
   Call: (214) [$syspreds] stream_position_data(char_count, '$stream_position'(1473, 47, 0, 1473), _285700)
   Call: (215) [system] nonvar(char_count)
   Exit: (215) [system] nonvar(char_count)
   Call: (215) [$syspreds] stream_position_field(char_count, _309858)
   Exit: (215) [$syspreds] stream_position_field(char_count, 1)
   Call: (215) [system] arg(1, '$stream_position'(1473, 47, 0, 1473), _285700)
   Exit: (215) [system] arg(1, '$stream_position'(1473, 47, 0, 1473), 1473)
   Exit: (214) [$syspreds] stream_position_data(char_count, '$stream_position'(1473, 47, 0, 1473), 1473)
^  Exit: (213) [user] read_position((0x563acd73bee0), 47, 0, 1473, '$stream_position'(1473, 47, 0, 1473))
   Call: (213) [read_util] read_util:read_line_to_string((0x563acd73bee0), _315452)
   Call: (214) [system] read_string((0x563acd73bee0), '\n', '\r', _316382, _316384)
   Exit: (214) [system] read_string((0x563acd73bee0), '\n', '\r', 10, ";; TODO: recurse over curried rules instead of duplicating code over")
   Call: (214) [system] 10\== -1
   Exit: (214) [system] 10\== -1
   Call: (214) [system] _315452=";; TODO: recurse over curried rules instead of duplicating code over"
   Exit: (214) [system] ";; TODO: recurse over curried rules instead of duplicating code over"=";; TODO: recurse over curried rules instead of duplicating code over"
   Exit: (213) [read_util] read_util:read_line_to_string((0x563acd73bee0), ";; TODO: recurse over curried rules instead of duplicating code over")
^  Call: (213) [user] assertz(metta_file_comment(47, 0, 1473, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$stream_position'(1473, 47, 0, 1473)))
^  Exit: (213) [user] assertz(metta_file_comment(47, 0, 1473, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$stream_position'(1473, 47, 0, 1473)))
^  Exit: (212) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _326656)
   Exit: (213) [system] peek_char((0x563acd73bee0), ;)
   Call: (213) [system] (;)=(;)
   Exit: (213) [system] (;)=(;)
^  Call: (213) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (214) [user] read_position((0x563acd73bee0), _331294, _331296, _331298, _331300)
   Call: (215) [system] stream_property((0x563acd73bee0), position(_331300))
   Call: (216) [system] nonvar((0x563acd73bee0))
   Exit: (216) [system] nonvar((0x563acd73bee0))
   Call: (216) [system] nonvar(position(_331300))
   Exit: (216) [system] nonvar(position(_331300))
   Exit: (215) [system] stream_property((0x563acd73bee0), position('$stream_position'(1542, 48, 0, 1542)))
   Call: (215) [$syspreds] stream_position_data(line_count, '$stream_position'(1542, 48, 0, 1542), _331294)
   Call: (216) [system] nonvar(line_count)
   Exit: (216) [system] nonvar(line_count)
   Call: (216) [$syspreds] stream_position_field(line_count, _340588)
   Exit: (216) [$syspreds] stream_position_field(line_count, 2)
   Call: (216) [system] arg(2, '$stream_position'(1542, 48, 0, 1542), _331294)
   Exit: (216) [system] arg(2, '$stream_position'(1542, 48, 0, 1542), 48)
   Exit: (215) [$syspreds] stream_position_data(line_count, '$stream_position'(1542, 48, 0, 1542), 48)
   Call: (215) [$syspreds] stream_position_data(line_position, '$stream_position'(1542, 48, 0, 1542), _331296)
   Call: (216) [system] nonvar(line_position)
   Exit: (216) [system] nonvar(line_position)
   Call: (216) [$syspreds] stream_position_field(line_position, _348022)
   Exit: (216) [$syspreds] stream_position_field(line_position, 3)
   Call: (216) [system] arg(3, '$stream_position'(1542, 48, 0, 1542), _331296)
   Exit: (216) [system] arg(3, '$stream_position'(1542, 48, 0, 1542), 0)
   Exit: (215) [$syspreds] stream_position_data(line_position, '$stream_position'(1542, 48, 0, 1542), 0)
   Call: (215) [$syspreds] stream_position_data(char_count, '$stream_position'(1542, 48, 0, 1542), _331298)
   Call: (216) [system] nonvar(char_count)
   Exit: (216) [system] nonvar(char_count)
   Call: (216) [$syspreds] stream_position_field(char_count, _355456)
   Exit: (216) [$syspreds] stream_position_field(char_count, 1)
   Call: (216) [system] arg(1, '$stream_position'(1542, 48, 0, 1542), _331298)
   Exit: (216) [system] arg(1, '$stream_position'(1542, 48, 0, 1542), 1542)
   Exit: (215) [$syspreds] stream_position_data(char_count, '$stream_position'(1542, 48, 0, 1542), 1542)
^  Exit: (214) [user] read_position((0x563acd73bee0), 48, 0, 1542, '$stream_position'(1542, 48, 0, 1542))
   Call: (214) [read_util] read_util:read_line_to_string((0x563acd73bee0), _361050)
   Call: (215) [system] read_string((0x563acd73bee0), '\n', '\r', _361980, _361982)
   Exit: (215) [system] read_string((0x563acd73bee0), '\n', '\r', 10, ";; tuples.")
   Call: (215) [system] 10\== -1
   Exit: (215) [system] 10\== -1
   Call: (215) [system] _361050=";; tuples."
   Exit: (215) [system] ";; tuples."=";; tuples."
   Exit: (214) [read_util] read_util:read_line_to_string((0x563acd73bee0), ";; tuples.")
^  Call: (214) [user] assertz(metta_file_comment(48, 0, 1542, '$COMMENT'(";; tuples.", 48, 0), '$stream_position'(1542, 48, 0, 1542)))
^  Exit: (214) [user] assertz(metta_file_comment(48, 0, 1542, '$COMMENT'(";; tuples.", 48, 0), '$stream_position'(1542, 48, 0, 1542)))
^  Exit: (213) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _372240)
   Exit: (214) [system] peek_char((0x563acd73bee0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
^  Exit: (183) [user] skip_spaces((0x563acd73bee0))
^  Exit: (182) [user] skip_spaces((0x563acd73bee0))
   Call: (182) [system] get_char((0x563acd73bee0), _416894)
   Exit: (182) [system] get_char((0x563acd73bee0), '(')
   Call: (182) [system] '('='('
   Exit: (182) [system] '('='('
^  Call: (182) [user] read_list(')', (0x563acd73bee0), _3318)
^  Call: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _422464)
   Exit: (184) [system] peek_char((0x563acd73bee0), :)
   Call: (184) [system] (:)=(;)
   Fail: (184) [system] (:)=(;)
   Call: (184) [system] (:)=(/)
   Fail: (184) [system] (:)=(/)
^  Call: (184) [user] is_like_space(:)
   Call: (185) [system] char_type(:, 'white')
   Fail: (185) [system] char_type(:, 'white')
   Call: (185) [system] char_type(:, end_of_line)
   Fail: (185) [system] char_type(:, end_of_line)
   Call: (185) [system] char_type(:, space)
   Fail: (185) [system] char_type(:, space)
   Call: (185) [system] char_type(:, cntrl)
   Fail: (185) [system] char_type(:, cntrl)
^  Fail: (184) [user] is_like_space(:)
^  Exit: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] peek_char((0x563acd73bee0), _438474)
   Exit: (183) [system] peek_char((0x563acd73bee0), :)
   Call: (183) [system] (:)=')'
   Fail: (183) [system] (:)=')'
   Call: (183) [system] (:)=end_of_file
   Fail: (183) [system] (:)=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x563acd73bee0), _444044)
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _445902)
   Exit: (185) [system] peek_char((0x563acd73bee0), :)
   Call: (185) [system] (:)=(;)
   Fail: (185) [system] (:)=(;)
   Call: (185) [system] (:)=(/)
   Fail: (185) [system] (:)=(/)
^  Call: (185) [user] is_like_space(:)
   Call: (186) [system] char_type(:, 'white')
   Fail: (186) [system] char_type(:, 'white')
   Call: (186) [system] char_type(:, end_of_line)
   Fail: (186) [system] char_type(:, end_of_line)
   Call: (186) [system] char_type(:, space)
   Fail: (186) [system] char_type(:, space)
   Call: (186) [system] char_type(:, cntrl)
   Fail: (186) [system] char_type(:, cntrl)
^  Fail: (185) [user] is_like_space(:)
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] get_char((0x563acd73bee0), _461912)
   Exit: (184) [system] get_char((0x563acd73bee0), :)
   Call: (184) [system] (:)='('
   Fail: (184) [system] (:)='('
   Call: (184) [system] (:)='['
   Fail: (184) [system] (:)='['
   Call: (184) [system] (:)='{'
   Fail: (184) [system] (:)='{'
   Call: (184) [system] (:)='"'
   Fail: (184) [system] (:)='"'
   Call: (184) [system] (:)=!
   Fail: (184) [system] (:)=!
   Call: (184) [system] (:)='\''
   Fail: (184) [system] (:)='\''
   Call: (184) [system] (:)='`'
   Fail: (184) [system] (:)='`'
   Call: (184) [system] (:)=end_of_file
   Fail: (184) [system] (:)=end_of_file
^  Call: (184) [user] read_symbolic(')', (0x563acd73bee0), :, _444044)
^  Call: (185) [user] read_symbolic_cont(')', (0x563acd73bee0), _479554)
   Call: (186) [system] peek_char((0x563acd73bee0), _480488)
   Exit: (186) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (186) [user] is_delimiter(' ')
   Call: (187) [system] char_type(' ', space)
   Exit: (187) [system] char_type(' ', space)
^  Exit: (186) [user] is_delimiter(' ')
   Call: (186) [system] _479554=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (185) [user] classify_and_convert_charseq([:], _444044)
^  Call: (186) [user] classify_and_convert_charseq_([:], _489772)
^  Call: (188) [system] setup_call_cleanup('$notrace'(_490724, _490726), once(user:catch(read_from_chars([:], _489772), _490706, fail)), '$restore_trace'(_490724, _490726))
^  Call: (189) [system] sig_atomic(system:'$notrace'(_490724, _490726))
^  Exit: (188) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _490706, fail)), system:'$restore_trace'(3, -1))
   Call: (187) [system] atomic(:)
   Exit: (187) [system] atomic(:)
^  Exit: (186) [user] classify_and_convert_charseq_([:], :)
   Call: (186) [system] integer(:)
   Fail: (186) [system] integer(:)
   Call: (186) [system] _444044=(:)
   Exit: (186) [system] (:)=(:)
^  Exit: (185) [user] classify_and_convert_charseq([:], :)
^  Exit: (184) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (183) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (183) [user] read_list(')', (0x563acd73bee0), _502852)
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _504710)
   Exit: (185) [system] peek_char((0x563acd73bee0), ' ')
   Call: (185) [system] ' '=(;)
   Fail: (185) [system] ' '=(;)
   Call: (185) [system] ' '=(/)
   Fail: (185) [system] ' '=(/)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x563acd73bee0), _514304)
   Exit: (185) [system] get_char((0x563acd73bee0), ' ')
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _517008)
   Exit: (186) [system] peek_char((0x563acd73bee0), s)
   Call: (186) [system] s=(;)
   Fail: (186) [system] s=(;)
   Call: (186) [system] s=(/)
   Fail: (186) [system] s=(/)
^  Call: (186) [user] is_like_space(s)
   Call: (187) [system] char_type(s, 'white')
   Fail: (187) [system] char_type(s, 'white')
   Call: (187) [system] char_type(s, end_of_line)
   Fail: (187) [system] char_type(s, end_of_line)
   Call: (187) [system] char_type(s, space)
   Fail: (187) [system] char_type(s, space)
   Call: (187) [system] char_type(s, cntrl)
   Fail: (187) [system] char_type(s, cntrl)
^  Fail: (186) [user] is_like_space(s)
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _533942)
   Exit: (184) [system] peek_char((0x563acd73bee0), s)
   Call: (184) [system] s=')'
   Fail: (184) [system] s=')'
   Call: (184) [system] s=end_of_file
   Fail: (184) [system] s=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x563acd73bee0), _539512)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _541370)
   Exit: (186) [system] peek_char((0x563acd73bee0), s)
   Call: (186) [system] s=(;)
   Fail: (186) [system] s=(;)
   Call: (186) [system] s=(/)
   Fail: (186) [system] s=(/)
^  Call: (186) [user] is_like_space(s)
   Call: (187) [system] char_type(s, 'white')
   Fail: (187) [system] char_type(s, 'white')
   Call: (187) [system] char_type(s, end_of_line)
   Fail: (187) [system] char_type(s, end_of_line)
   Call: (187) [system] char_type(s, space)
   Fail: (187) [system] char_type(s, space)
   Call: (187) [system] char_type(s, cntrl)
   Fail: (187) [system] char_type(s, cntrl)
^  Fail: (186) [user] is_like_space(s)
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] get_char((0x563acd73bee0), _557380)
   Exit: (185) [system] get_char((0x563acd73bee0), s)
   Call: (185) [system] s='('
   Fail: (185) [system] s='('
   Call: (185) [system] s='['
   Fail: (185) [system] s='['
   Call: (185) [system] s='{'
   Fail: (185) [system] s='{'
   Call: (185) [system] s='"'
   Fail: (185) [system] s='"'
   Call: (185) [system] s=!
   Fail: (185) [system] s=!
   Call: (185) [system] s='\''
   Fail: (185) [system] s='\''
   Call: (185) [system] s='`'
   Fail: (185) [system] s='`'
   Call: (185) [system] s=end_of_file
   Fail: (185) [system] s=end_of_file
^  Call: (185) [user] read_symbolic(')', (0x563acd73bee0), s, _539512)
^  Call: (186) [user] read_symbolic_cont(')', (0x563acd73bee0), _575022)
   Call: (187) [system] peek_char((0x563acd73bee0), _575956)
   Exit: (187) [system] peek_char((0x563acd73bee0), y)
^  Call: (187) [user] is_delimiter(y)
   Call: (188) [system] char_type(y, space)
   Fail: (188) [system] char_type(y, space)
   Call: (188) [system] arg(_580676, v('(', ')', end_of_file), y)
   Fail: (188) [system] arg(_581608, v('(', ')', end_of_file), y)
^  Fail: (187) [user] is_delimiter(y)
   Call: (187) [system] ')'==y
   Fail: (187) [system] ')'==y
   Call: (187) [system] get_char((0x563acd73bee0), y)
   Exit: (187) [system] get_char((0x563acd73bee0), y)
   Call: (187) [system] y=(\)
   Fail: (187) [system] y=(\)
^  Call: (187) [user] read_symbolic_cont(')', (0x563acd73bee0), _588958)
   Call: (188) [system] peek_char((0x563acd73bee0), _589892)
   Exit: (188) [system] peek_char((0x563acd73bee0), n)
^  Call: (188) [user] is_delimiter(n)
   Call: (189) [system] char_type(n, space)
   Fail: (189) [system] char_type(n, space)
   Call: (189) [system] arg(_594612, v('(', ')', end_of_file), n)
   Fail: (189) [system] arg(_595544, v('(', ')', end_of_file), n)
^  Fail: (188) [user] is_delimiter(n)
   Call: (188) [system] ')'==n
   Fail: (188) [system] ')'==n
   Call: (188) [system] get_char((0x563acd73bee0), n)
   Exit: (188) [system] get_char((0x563acd73bee0), n)
   Call: (188) [system] n=(\)
   Fail: (188) [system] n=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), _602894)
   Call: (189) [system] peek_char((0x563acd73bee0), _603828)
   Exit: (189) [system] peek_char((0x563acd73bee0), t)
^  Call: (189) [user] is_delimiter(t)
   Call: (190) [system] char_type(t, space)
   Fail: (190) [system] char_type(t, space)
   Call: (190) [system] arg(_608548, v('(', ')', end_of_file), t)
   Fail: (190) [system] arg(_609480, v('(', ')', end_of_file), t)
^  Fail: (189) [user] is_delimiter(t)
   Call: (189) [system] ')'==t
   Fail: (189) [system] ')'==t
   Call: (189) [system] get_char((0x563acd73bee0), t)
   Exit: (189) [system] get_char((0x563acd73bee0), t)
   Call: (189) [system] t=(\)
   Fail: (189) [system] t=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), _616830)
   Call: (190) [system] peek_char((0x563acd73bee0), _617764)
   Exit: (190) [system] peek_char((0x563acd73bee0), h)
^  Call: (190) [user] is_delimiter(h)
   Call: (191) [system] char_type(h, space)
   Fail: (191) [system] char_type(h, space)
   Call: (191) [system] arg(_622484, v('(', ')', end_of_file), h)
   Fail: (191) [system] arg(_623416, v('(', ')', end_of_file), h)
^  Fail: (190) [user] is_delimiter(h)
   Call: (190) [system] ')'==h
   Fail: (190) [system] ')'==h
   Call: (190) [system] get_char((0x563acd73bee0), h)
   Exit: (190) [system] get_char((0x563acd73bee0), h)
   Call: (190) [system] h=(\)
   Fail: (190) [system] h=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), _630766)
   Call: (191) [system] peek_char((0x563acd73bee0), _631700)
   Exit: (191) [system] peek_char((0x563acd73bee0), e)
^  Call: (191) [user] is_delimiter(e)
   Call: (192) [system] char_type(e, space)
   Fail: (192) [system] char_type(e, space)
   Call: (192) [system] arg(_636420, v('(', ')', end_of_file), e)
   Fail: (192) [system] arg(_637352, v('(', ')', end_of_file), e)
^  Fail: (191) [user] is_delimiter(e)
   Call: (191) [system] ')'==e
   Fail: (191) [system] ')'==e
   Call: (191) [system] get_char((0x563acd73bee0), e)
   Exit: (191) [system] get_char((0x563acd73bee0), e)
   Call: (191) [system] e=(\)
   Fail: (191) [system] e=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), _644702)
   Call: (192) [system] peek_char((0x563acd73bee0), _645636)
   Exit: (192) [system] peek_char((0x563acd73bee0), s)
^  Call: (192) [user] is_delimiter(s)
   Call: (193) [system] char_type(s, space)
   Fail: (193) [system] char_type(s, space)
   Call: (193) [system] arg(_650356, v('(', ')', end_of_file), s)
   Fail: (193) [system] arg(_651288, v('(', ')', end_of_file), s)
^  Fail: (192) [user] is_delimiter(s)
   Call: (192) [system] ')'==s
   Fail: (192) [system] ')'==s
   Call: (192) [system] get_char((0x563acd73bee0), s)
   Exit: (192) [system] get_char((0x563acd73bee0), s)
   Call: (192) [system] s=(\)
   Fail: (192) [system] s=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), _658638)
   Call: (193) [system] peek_char((0x563acd73bee0), _659572)
   Exit: (193) [system] peek_char((0x563acd73bee0), i)
^  Call: (193) [user] is_delimiter(i)
   Call: (194) [system] char_type(i, space)
   Fail: (194) [system] char_type(i, space)
   Call: (194) [system] arg(_664292, v('(', ')', end_of_file), i)
   Fail: (194) [system] arg(_665224, v('(', ')', end_of_file), i)
^  Fail: (193) [user] is_delimiter(i)
   Call: (193) [system] ')'==i
   Fail: (193) [system] ')'==i
   Call: (193) [system] get_char((0x563acd73bee0), i)
   Exit: (193) [system] get_char((0x563acd73bee0), i)
   Call: (193) [system] i=(\)
   Fail: (193) [system] i=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _672574)
   Call: (194) [system] peek_char((0x563acd73bee0), _673508)
   Exit: (194) [system] peek_char((0x563acd73bee0), z)
^  Call: (194) [user] is_delimiter(z)
   Call: (195) [system] char_type(z, space)
   Fail: (195) [system] char_type(z, space)
   Call: (195) [system] arg(_678228, v('(', ')', end_of_file), z)
   Fail: (195) [system] arg(_679160, v('(', ')', end_of_file), z)
^  Fail: (194) [user] is_delimiter(z)
   Call: (194) [system] ')'==z
   Fail: (194) [system] ')'==z
   Call: (194) [system] get_char((0x563acd73bee0), z)
   Exit: (194) [system] get_char((0x563acd73bee0), z)
   Call: (194) [system] z=(\)
   Fail: (194) [system] z=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _686510)
   Call: (195) [system] peek_char((0x563acd73bee0), _687444)
   Exit: (195) [system] peek_char((0x563acd73bee0), e)
^  Call: (195) [user] is_delimiter(e)
   Call: (196) [system] char_type(e, space)
   Fail: (196) [system] char_type(e, space)
   Call: (196) [system] arg(_692164, v('(', ')', end_of_file), e)
   Fail: (196) [system] arg(_693096, v('(', ')', end_of_file), e)
^  Fail: (195) [user] is_delimiter(e)
   Call: (195) [system] ')'==e
   Fail: (195) [system] ')'==e
   Call: (195) [system] get_char((0x563acd73bee0), e)
   Exit: (195) [system] get_char((0x563acd73bee0), e)
   Call: (195) [system] e=(\)
   Fail: (195) [system] e=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _700446)
   Call: (196) [system] peek_char((0x563acd73bee0), _701380)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _700446=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (195) [system] _686510=[e]
   Exit: (195) [system] [e]=[e]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [e])
   Call: (194) [system] _672574=[z, e]
   Exit: (194) [system] [z, e]=[z, e]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [z, e])
   Call: (193) [system] _658638=[i, z, e]
   Exit: (193) [system] [i, z, e]=[i, z, e]
^  Exit: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, z, e])
   Call: (192) [system] _644702=[s, i, z, e]
   Exit: (192) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, i, z, e])
   Call: (191) [system] _630766=[e, s, i, z, e]
   Exit: (191) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, s, i, z, e])
   Call: (190) [system] _616830=[h, e, s, i, z, e]
   Exit: (190) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), [h, e, s, i, z, e])
   Call: (189) [system] _602894=[t, h, e, s, i, z, e]
   Exit: (189) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, h, e, s, i, z, e])
   Call: (188) [system] _588958=[n, t, h, e, s, i, z, e]
   Exit: (188) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (187) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, h, e, s, i, z, e])
   Call: (187) [system] _575022=[y, n, t, h, e, s, i, z, e]
   Exit: (187) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (186) [user] read_symbolic_cont(')', (0x563acd73bee0), [y, n, t, h, e, s, i, z, e])
^  Call: (186) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _539512)
^  Call: (187) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _735810)
^  Call: (189) [system] setup_call_cleanup('$notrace'(_736762, _736764), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _735810), _736744, fail)), '$restore_trace'(_736762, _736764))
^  Call: (190) [system] sig_atomic(system:'$notrace'(_736762, _736764))
^  Exit: (189) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _736744, fail)), system:'$restore_trace'(3, -1))
   Call: (188) [system] atomic(synthesize)
   Exit: (188) [system] atomic(synthesize)
^  Exit: (187) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (187) [system] integer(synthesize)
   Fail: (187) [system] integer(synthesize)
   Call: (187) [system] _539512=synthesize
   Exit: (187) [system] synthesize=synthesize
^  Exit: (186) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (185) [user] read_symbolic(')', (0x563acd73bee0), s, synthesize)
^  Exit: (184) [user] cont_sexpr(')', (0x563acd73bee0), synthesize)
^  Call: (184) [user] read_list(')', (0x563acd73bee0), _748890)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _750748)
   Exit: (186) [system] peek_char((0x563acd73bee0), ' ')
   Call: (186) [system] ' '=(;)
   Fail: (186) [system] ' '=(;)
   Call: (186) [system] ' '=(/)
   Fail: (186) [system] ' '=(/)
^  Call: (186) [user] is_like_space(' ')
   Call: (187) [system] char_type(' ', 'white')
   Exit: (187) [system] char_type(' ', 'white')
^  Exit: (186) [user] is_like_space(' ')
   Call: (186) [system] get_char((0x563acd73bee0), _760342)
   Exit: (186) [system] get_char((0x563acd73bee0), ' ')
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _763046)
   Exit: (187) [system] peek_char((0x563acd73bee0), '(')
   Call: (187) [system] '('=(;)
   Fail: (187) [system] '('=(;)
   Call: (187) [system] '('=(/)
   Fail: (187) [system] '('=(/)
^  Call: (187) [user] is_like_space('(')
   Call: (188) [system] char_type('(', 'white')
   Fail: (188) [system] char_type('(', 'white')
   Call: (188) [system] char_type('(', end_of_line)
   Fail: (188) [system] char_type('(', end_of_line)
   Call: (188) [system] char_type('(', space)
   Fail: (188) [system] char_type('(', space)
   Call: (188) [system] char_type('(', cntrl)
   Fail: (188) [system] char_type('(', cntrl)
^  Fail: (187) [user] is_like_space('(')
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _779980)
   Exit: (185) [system] peek_char((0x563acd73bee0), '(')
   Call: (185) [system] '('=')'
   Fail: (185) [system] '('=')'
   Call: (185) [system] '('=end_of_file
   Fail: (185) [system] '('=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x563acd73bee0), _785550)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _787408)
   Exit: (187) [system] peek_char((0x563acd73bee0), '(')
   Call: (187) [system] '('=(;)
   Fail: (187) [system] '('=(;)
   Call: (187) [system] '('=(/)
   Fail: (187) [system] '('=(/)
^  Call: (187) [user] is_like_space('(')
   Call: (188) [system] char_type('(', 'white')
   Fail: (188) [system] char_type('(', 'white')
   Call: (188) [system] char_type('(', end_of_line)
   Fail: (188) [system] char_type('(', end_of_line)
   Call: (188) [system] char_type('(', space)
   Fail: (188) [system] char_type('(', space)
   Call: (188) [system] char_type('(', cntrl)
   Fail: (188) [system] char_type('(', cntrl)
^  Fail: (187) [user] is_like_space('(')
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] get_char((0x563acd73bee0), _803418)
   Exit: (186) [system] get_char((0x563acd73bee0), '(')
   Call: (186) [system] '('='('
   Exit: (186) [system] '('='('
^  Call: (186) [user] read_list(')', (0x563acd73bee0), _785550)
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _808988)
   Exit: (188) [system] peek_char((0x563acd73bee0), -)
   Call: (188) [system] (-)=(;)
   Fail: (188) [system] (-)=(;)
   Call: (188) [system] (-)=(/)
   Fail: (188) [system] (-)=(/)
^  Call: (188) [user] is_like_space(-)
   Call: (189) [system] char_type(-, 'white')
   Fail: (189) [system] char_type(-, 'white')
   Call: (189) [system] char_type(-, end_of_line)
   Fail: (189) [system] char_type(-, end_of_line)
   Call: (189) [system] char_type(-, space)
   Fail: (189) [system] char_type(-, space)
   Call: (189) [system] char_type(-, cntrl)
   Fail: (189) [system] char_type(-, cntrl)
^  Fail: (188) [user] is_like_space(-)
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _824998)
   Exit: (187) [system] peek_char((0x563acd73bee0), -)
   Call: (187) [system] (-)=')'
   Fail: (187) [system] (-)=')'
   Call: (187) [system] (-)=end_of_file
   Fail: (187) [system] (-)=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x563acd73bee0), _830568)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _832426)
   Exit: (189) [system] peek_char((0x563acd73bee0), -)
   Call: (189) [system] (-)=(;)
   Fail: (189) [system] (-)=(;)
   Call: (189) [system] (-)=(/)
   Fail: (189) [system] (-)=(/)
^  Call: (189) [user] is_like_space(-)
   Call: (190) [system] char_type(-, 'white')
   Fail: (190) [system] char_type(-, 'white')
   Call: (190) [system] char_type(-, end_of_line)
   Fail: (190) [system] char_type(-, end_of_line)
   Call: (190) [system] char_type(-, space)
   Fail: (190) [system] char_type(-, space)
   Call: (190) [system] char_type(-, cntrl)
   Fail: (190) [system] char_type(-, cntrl)
^  Fail: (189) [user] is_like_space(-)
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] get_char((0x563acd73bee0), _848436)
   Exit: (188) [system] get_char((0x563acd73bee0), -)
   Call: (188) [system] (-)='('
   Fail: (188) [system] (-)='('
   Call: (188) [system] (-)='['
   Fail: (188) [system] (-)='['
   Call: (188) [system] (-)='{'
   Fail: (188) [system] (-)='{'
   Call: (188) [system] (-)='"'
   Fail: (188) [system] (-)='"'
   Call: (188) [system] (-)=!
   Fail: (188) [system] (-)=!
   Call: (188) [system] (-)='\''
   Fail: (188) [system] (-)='\''
   Call: (188) [system] (-)='`'
   Fail: (188) [system] (-)='`'
   Call: (188) [system] (-)=end_of_file
   Fail: (188) [system] (-)=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x563acd73bee0), -, _830568)
^  Call: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), _866078)
   Call: (190) [system] peek_char((0x563acd73bee0), _867012)
   Exit: (190) [system] peek_char((0x563acd73bee0), >)
^  Call: (190) [user] is_delimiter(>)
   Call: (191) [system] char_type(>, space)
   Fail: (191) [system] char_type(>, space)
   Call: (191) [system] arg(_871732, v('(', ')', end_of_file), >)
   Fail: (191) [system] arg(_872664, v('(', ')', end_of_file), >)
^  Fail: (190) [user] is_delimiter(>)
   Call: (190) [system] ')'==(>)
   Fail: (190) [system] ')'==(>)
   Call: (190) [system] get_char((0x563acd73bee0), >)
   Exit: (190) [system] get_char((0x563acd73bee0), >)
   Call: (190) [system] (>)=(\)
   Fail: (190) [system] (>)=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), _880014)
   Call: (191) [system] peek_char((0x563acd73bee0), _880948)
   Exit: (191) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (191) [user] is_delimiter(' ')
   Call: (192) [system] char_type(' ', space)
   Exit: (192) [system] char_type(' ', space)
^  Exit: (191) [user] is_delimiter(' ')
   Call: (191) [system] _880014=[]
   Exit: (191) [system] []=[]
^  Exit: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (190) [system] _866078=[>]
   Exit: (190) [system] [>]=[>]
^  Exit: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), [>])
^  Call: (189) [user] classify_and_convert_charseq([-, >], _830568)
^  Call: (190) [user] classify_and_convert_charseq_([-, >], _893026)
^  Call: (192) [system] setup_call_cleanup('$notrace'(_893978, _893980), once(user:catch(read_from_chars([-, >], _893026), _893960, fail)), '$restore_trace'(_893978, _893980))
^  Call: (193) [system] sig_atomic(system:'$notrace'(_893978, _893980))
^  Exit: (192) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _893960, fail)), system:'$restore_trace'(3, -1))
   Call: (191) [system] atomic(->)
   Exit: (191) [system] atomic(->)
^  Exit: (190) [user] classify_and_convert_charseq_([-, >], ->)
   Call: (190) [system] integer(->)
   Fail: (190) [system] integer(->)
   Call: (190) [system] _830568=(->)
   Exit: (190) [system] (->)=(->)
^  Exit: (189) [user] classify_and_convert_charseq([-, >], ->)
^  Exit: (188) [user] read_symbolic(')', (0x563acd73bee0), -, ->)
^  Exit: (187) [user] cont_sexpr(')', (0x563acd73bee0), ->)
^  Call: (187) [user] read_list(')', (0x563acd73bee0), _906106)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _907964)
   Exit: (189) [system] peek_char((0x563acd73bee0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x563acd73bee0), _917558)
   Exit: (189) [system] get_char((0x563acd73bee0), ' ')
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _920262)
   Exit: (190) [system] peek_char((0x563acd73bee0), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
   Call: (190) [system] ($)=(/)
   Fail: (190) [system] ($)=(/)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _937196)
   Exit: (188) [system] peek_char((0x563acd73bee0), $)
   Call: (188) [system] ($)=')'
   Fail: (188) [system] ($)=')'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x563acd73bee0), _942766)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _944624)
   Exit: (190) [system] peek_char((0x563acd73bee0), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
   Call: (190) [system] ($)=(/)
   Fail: (190) [system] ($)=(/)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] get_char((0x563acd73bee0), _960634)
   Exit: (189) [system] get_char((0x563acd73bee0), $)
   Call: (189) [system] ($)='('
   Fail: (189) [system] ($)='('
   Call: (189) [system] ($)='['
   Fail: (189) [system] ($)='['
   Call: (189) [system] ($)='{'
   Fail: (189) [system] ($)='{'
   Call: (189) [system] ($)='"'
   Fail: (189) [system] ($)='"'
   Call: (189) [system] ($)=!
   Fail: (189) [system] ($)=!
   Call: (189) [system] ($)='\''
   Fail: (189) [system] ($)='\''
   Call: (189) [system] ($)='`'
   Fail: (189) [system] ($)='`'
   Call: (189) [system] ($)=end_of_file
   Fail: (189) [system] ($)=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x563acd73bee0), $, _942766)
^  Call: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), _978276)
   Call: (191) [system] peek_char((0x563acd73bee0), _979210)
   Exit: (191) [system] peek_char((0x563acd73bee0), a)
^  Call: (191) [user] is_delimiter(a)
   Call: (192) [system] char_type(a, space)
   Fail: (192) [system] char_type(a, space)
   Call: (192) [system] arg(_983930, v('(', ')', end_of_file), a)
   Fail: (192) [system] arg(_984862, v('(', ')', end_of_file), a)
^  Fail: (191) [user] is_delimiter(a)
   Call: (191) [system] ')'==a
   Fail: (191) [system] ')'==a
   Call: (191) [system] get_char((0x563acd73bee0), a)
   Exit: (191) [system] get_char((0x563acd73bee0), a)
   Call: (191) [system] a=(\)
   Fail: (191) [system] a=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), _992212)
   Call: (192) [system] peek_char((0x563acd73bee0), _993146)
   Exit: (192) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _992212=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (191) [system] _978276=[a]
   Exit: (191) [system] [a]=[a]
^  Exit: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), [a])
^  Call: (190) [user] classify_and_convert_charseq([$, a], _942766)
^  Call: (191) [user] classify_and_convert_charseq_([$, a], _1005224)
   Call: (192) [system] atom_chars(_1006156, ['_', a])
   Exit: (192) [system] atom_chars('_a', ['_', a])
^  Exit: (191) [user] classify_and_convert_charseq_([$, a], _a)
   Call: (191) [system] integer(_a)
   Fail: (191) [system] integer(_a)
   Call: (191) [system] _942766=_a
   Exit: (191) [system] _a=_a
^  Exit: (190) [user] classify_and_convert_charseq([$, a], _a)
^  Exit: (189) [user] read_symbolic(')', (0x563acd73bee0), $, _a)
^  Exit: (188) [user] cont_sexpr(')', (0x563acd73bee0), _a)
^  Call: (188) [user] read_list(')', (0x563acd73bee0), _1015448)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1017306)
   Exit: (190) [system] peek_char((0x563acd73bee0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x563acd73bee0), _1026900)
   Exit: (190) [system] get_char((0x563acd73bee0), ' ')
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _1029604)
   Exit: (191) [system] peek_char((0x563acd73bee0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1046538)
   Exit: (189) [system] peek_char((0x563acd73bee0), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x563acd73bee0), _1052108)
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _1053966)
   Exit: (191) [system] peek_char((0x563acd73bee0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] get_char((0x563acd73bee0), _1069976)
   Exit: (190) [system] get_char((0x563acd73bee0), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x563acd73bee0), _1052108)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1075546)
   Exit: (192) [system] peek_char((0x563acd73bee0), -)
   Call: (192) [system] (-)=(;)
   Fail: (192) [system] (-)=(;)
   Call: (192) [system] (-)=(/)
   Fail: (192) [system] (-)=(/)
^  Call: (192) [user] is_like_space(-)
   Call: (193) [system] char_type(-, 'white')
   Fail: (193) [system] char_type(-, 'white')
   Call: (193) [system] char_type(-, end_of_line)
   Fail: (193) [system] char_type(-, end_of_line)
   Call: (193) [system] char_type(-, space)
   Fail: (193) [system] char_type(-, space)
   Call: (193) [system] char_type(-, cntrl)
   Fail: (193) [system] char_type(-, cntrl)
^  Fail: (192) [user] is_like_space(-)
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _1091556)
   Exit: (191) [system] peek_char((0x563acd73bee0), -)
   Call: (191) [system] (-)=')'
   Fail: (191) [system] (-)=')'
   Call: (191) [system] (-)=end_of_file
   Fail: (191) [system] (-)=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x563acd73bee0), _1097126)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1098984)
   Exit: (193) [system] peek_char((0x563acd73bee0), -)
   Call: (193) [system] (-)=(;)
   Fail: (193) [system] (-)=(;)
   Call: (193) [system] (-)=(/)
   Fail: (193) [system] (-)=(/)
^  Call: (193) [user] is_like_space(-)
   Call: (194) [system] char_type(-, 'white')
   Fail: (194) [system] char_type(-, 'white')
   Call: (194) [system] char_type(-, end_of_line)
   Fail: (194) [system] char_type(-, end_of_line)
   Call: (194) [system] char_type(-, space)
   Fail: (194) [system] char_type(-, space)
   Call: (194) [system] char_type(-, cntrl)
   Fail: (194) [system] char_type(-, cntrl)
^  Fail: (193) [user] is_like_space(-)
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] get_char((0x563acd73bee0), _1114994)
   Exit: (192) [system] get_char((0x563acd73bee0), -)
   Call: (192) [system] (-)='('
   Fail: (192) [system] (-)='('
   Call: (192) [system] (-)='['
   Fail: (192) [system] (-)='['
   Call: (192) [system] (-)='{'
   Fail: (192) [system] (-)='{'
   Call: (192) [system] (-)='"'
   Fail: (192) [system] (-)='"'
   Call: (192) [system] (-)=!
   Fail: (192) [system] (-)=!
   Call: (192) [system] (-)='\''
   Fail: (192) [system] (-)='\''
   Call: (192) [system] (-)='`'
   Fail: (192) [system] (-)='`'
   Call: (192) [system] (-)=end_of_file
   Fail: (192) [system] (-)=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x563acd73bee0), -, _1097126)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _1132636)
   Call: (194) [system] peek_char((0x563acd73bee0), _1133570)
   Exit: (194) [system] peek_char((0x563acd73bee0), >)
^  Call: (194) [user] is_delimiter(>)
   Call: (195) [system] char_type(>, space)
   Fail: (195) [system] char_type(>, space)
   Call: (195) [system] arg(_1138290, v('(', ')', end_of_file), >)
   Fail: (195) [system] arg(_1139222, v('(', ')', end_of_file), >)
^  Fail: (194) [user] is_delimiter(>)
   Call: (194) [system] ')'==(>)
   Fail: (194) [system] ')'==(>)
   Call: (194) [system] get_char((0x563acd73bee0), >)
   Exit: (194) [system] get_char((0x563acd73bee0), >)
   Call: (194) [system] (>)=(\)
   Fail: (194) [system] (>)=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _1146572)
   Call: (195) [system] peek_char((0x563acd73bee0), _1147506)
   Exit: (195) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (195) [user] is_delimiter(' ')
   Call: (196) [system] char_type(' ', space)
   Exit: (196) [system] char_type(' ', space)
^  Exit: (195) [user] is_delimiter(' ')
   Call: (195) [system] _1146572=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (194) [system] _1132636=[>]
   Exit: (194) [system] [>]=[>]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [>])
^  Call: (193) [user] classify_and_convert_charseq([-, >], _1097126)
^  Call: (194) [user] classify_and_convert_charseq_([-, >], _1159584)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_1160536, _1160538), once(user:catch(read_from_chars([-, >], _1159584), _1160518, fail)), '$restore_trace'(_1160536, _1160538))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_1160536, _1160538))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _1160518, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(->)
   Exit: (195) [system] atomic(->)
^  Exit: (194) [user] classify_and_convert_charseq_([-, >], ->)
   Call: (194) [system] integer(->)
   Fail: (194) [system] integer(->)
   Call: (194) [system] _1097126=(->)
   Exit: (194) [system] (->)=(->)
^  Exit: (193) [user] classify_and_convert_charseq([-, >], ->)
^  Exit: (192) [user] read_symbolic(')', (0x563acd73bee0), -, ->)
^  Exit: (191) [user] cont_sexpr(')', (0x563acd73bee0), ->)
^  Call: (191) [user] read_list(')', (0x563acd73bee0), _1172664)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1174522)
   Exit: (193) [system] peek_char((0x563acd73bee0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x563acd73bee0), _1184116)
   Exit: (193) [system] get_char((0x563acd73bee0), ' ')
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1186820)
   Exit: (194) [system] peek_char((0x563acd73bee0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1203754)
   Exit: (192) [system] peek_char((0x563acd73bee0), $)
   Call: (192) [system] ($)=')'
   Fail: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x563acd73bee0), _1209324)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1211182)
   Exit: (194) [system] peek_char((0x563acd73bee0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] get_char((0x563acd73bee0), _1227192)
   Exit: (193) [system] get_char((0x563acd73bee0), $)
   Call: (193) [system] ($)='('
   Fail: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Fail: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Fail: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Fail: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Fail: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Fail: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Fail: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x563acd73bee0), $, _1209324)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _1244834)
   Call: (195) [system] peek_char((0x563acd73bee0), _1245768)
   Exit: (195) [system] peek_char((0x563acd73bee0), k)
^  Call: (195) [user] is_delimiter(k)
   Call: (196) [system] char_type(k, space)
   Fail: (196) [system] char_type(k, space)
   Call: (196) [system] arg(_1250488, v('(', ')', end_of_file), k)
   Fail: (196) [system] arg(_1251420, v('(', ')', end_of_file), k)
^  Fail: (195) [user] is_delimiter(k)
   Call: (195) [system] ')'==k
   Fail: (195) [system] ')'==k
   Call: (195) [system] get_char((0x563acd73bee0), k)
   Exit: (195) [system] get_char((0x563acd73bee0), k)
   Call: (195) [system] k=(\)
   Fail: (195) [system] k=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _1258770)
   Call: (196) [system] peek_char((0x563acd73bee0), _1259704)
   Exit: (196) [system] peek_char((0x563acd73bee0), t)
^  Call: (196) [user] is_delimiter(t)
   Call: (197) [system] char_type(t, space)
   Fail: (197) [system] char_type(t, space)
   Call: (197) [system] arg(_1264424, v('(', ')', end_of_file), t)
   Fail: (197) [system] arg(_1265356, v('(', ')', end_of_file), t)
^  Fail: (196) [user] is_delimiter(t)
   Call: (196) [system] ')'==t
   Fail: (196) [system] ')'==t
   Call: (196) [system] get_char((0x563acd73bee0), t)
   Exit: (196) [system] get_char((0x563acd73bee0), t)
   Call: (196) [system] t=(\)
   Fail: (196) [system] t=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _1272706)
   Call: (197) [system] peek_char((0x563acd73bee0), _1273640)
   Exit: (197) [system] peek_char((0x563acd73bee0), ')')
^  Call: (197) [user] is_delimiter(')')
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] arg(_1278360, v('(', ')', end_of_file), ')')
   Exit: (198) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (197) [user] is_delimiter(')')
   Call: (197) [system] _1272706=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (196) [system] _1258770=[t]
   Exit: (196) [system] [t]=[t]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [t])
   Call: (195) [system] _1244834=[k, t]
   Exit: (195) [system] [k, t]=[k, t]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [k, t])
^  Call: (194) [user] classify_and_convert_charseq([$, k, t], _1209324)
^  Call: (195) [user] classify_and_convert_charseq_([$, k, t], _1290384)
   Call: (196) [system] atom_chars(_1291316, ['_', k, t])
   Exit: (196) [system] atom_chars('_kt', ['_', k, t])
^  Exit: (195) [user] classify_and_convert_charseq_([$, k, t], _kt)
   Call: (195) [system] integer(_kt)
   Fail: (195) [system] integer(_kt)
   Call: (195) [system] _1209324=_kt
   Exit: (195) [system] _kt=_kt
^  Exit: (194) [user] classify_and_convert_charseq([$, k, t], _kt)
^  Exit: (193) [user] read_symbolic(')', (0x563acd73bee0), $, _kt)
^  Exit: (192) [user] cont_sexpr(')', (0x563acd73bee0), _kt)
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _1300608)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1302466)
   Exit: (194) [system] peek_char((0x563acd73bee0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
   Call: (194) [system] ')'=(/)
   Fail: (194) [system] ')'=(/)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1318476)
   Exit: (193) [system] peek_char((0x563acd73bee0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x563acd73bee0), _1322266)
   Exit: (193) [system] get_char((0x563acd73bee0), ')')
   Call: (193) [system] _1300608=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), [])
   Call: (192) [system] _1172664=[_kt]
   Exit: (192) [system] [_kt]=[_kt]
^  Exit: (191) [user] read_list(')', (0x563acd73bee0), [_kt])
   Call: (191) [system] _1052108=[->, _kt]
   Exit: (191) [system] [->, _kt]=[->, _kt]
^  Exit: (190) [user] read_list(')', (0x563acd73bee0), [->, _kt])
^  Exit: (189) [user] cont_sexpr(')', (0x563acd73bee0), [->, _kt])
^  Call: (189) [user] read_list(')', (0x563acd73bee0), _1333354)
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _1335212)
   Exit: (191) [system] peek_char((0x563acd73bee0), ' ')
   Call: (191) [system] ' '=(;)
   Fail: (191) [system] ' '=(;)
   Call: (191) [system] ' '=(/)
   Fail: (191) [system] ' '=(/)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x563acd73bee0), _1344806)
   Exit: (191) [system] get_char((0x563acd73bee0), ' ')
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1347510)
   Exit: (192) [system] peek_char((0x563acd73bee0), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
   Call: (192) [system] '('=(/)
   Fail: (192) [system] '('=(/)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1364444)
   Exit: (190) [system] peek_char((0x563acd73bee0), '(')
   Call: (190) [system] '('=')'
   Fail: (190) [system] '('=')'
   Call: (190) [system] '('=end_of_file
   Fail: (190) [system] '('=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x563acd73bee0), _1370014)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1371872)
   Exit: (192) [system] peek_char((0x563acd73bee0), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
   Call: (192) [system] '('=(/)
   Fail: (192) [system] '('=(/)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] get_char((0x563acd73bee0), _1387882)
   Exit: (191) [system] get_char((0x563acd73bee0), '(')
   Call: (191) [system] '('='('
   Exit: (191) [system] '('='('
^  Call: (191) [user] read_list(')', (0x563acd73bee0), _1370014)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1393452)
   Exit: (193) [system] peek_char((0x563acd73bee0), -)
   Call: (193) [system] (-)=(;)
   Fail: (193) [system] (-)=(;)
   Call: (193) [system] (-)=(/)
   Fail: (193) [system] (-)=(/)
^  Call: (193) [user] is_like_space(-)
   Call: (194) [system] char_type(-, 'white')
   Fail: (194) [system] char_type(-, 'white')
   Call: (194) [system] char_type(-, end_of_line)
   Fail: (194) [system] char_type(-, end_of_line)
   Call: (194) [system] char_type(-, space)
   Fail: (194) [system] char_type(-, space)
   Call: (194) [system] char_type(-, cntrl)
   Fail: (194) [system] char_type(-, cntrl)
^  Fail: (193) [user] is_like_space(-)
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1409462)
   Exit: (192) [system] peek_char((0x563acd73bee0), -)
   Call: (192) [system] (-)=')'
   Fail: (192) [system] (-)=')'
   Call: (192) [system] (-)=end_of_file
   Fail: (192) [system] (-)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x563acd73bee0), _1415032)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1416890)
   Exit: (194) [system] peek_char((0x563acd73bee0), -)
   Call: (194) [system] (-)=(;)
   Fail: (194) [system] (-)=(;)
   Call: (194) [system] (-)=(/)
   Fail: (194) [system] (-)=(/)
^  Call: (194) [user] is_like_space(-)
   Call: (195) [system] char_type(-, 'white')
   Fail: (195) [system] char_type(-, 'white')
   Call: (195) [system] char_type(-, end_of_line)
   Fail: (195) [system] char_type(-, end_of_line)
   Call: (195) [system] char_type(-, space)
   Fail: (195) [system] char_type(-, space)
   Call: (195) [system] char_type(-, cntrl)
   Fail: (195) [system] char_type(-, cntrl)
^  Fail: (194) [user] is_like_space(-)
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] get_char((0x563acd73bee0), _1432900)
   Exit: (193) [system] get_char((0x563acd73bee0), -)
   Call: (193) [system] (-)='('
   Fail: (193) [system] (-)='('
   Call: (193) [system] (-)='['
   Fail: (193) [system] (-)='['
   Call: (193) [system] (-)='{'
   Fail: (193) [system] (-)='{'
   Call: (193) [system] (-)='"'
   Fail: (193) [system] (-)='"'
   Call: (193) [system] (-)=!
   Fail: (193) [system] (-)=!
   Call: (193) [system] (-)='\''
   Fail: (193) [system] (-)='\''
   Call: (193) [system] (-)='`'
   Fail: (193) [system] (-)='`'
   Call: (193) [system] (-)=end_of_file
   Fail: (193) [system] (-)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x563acd73bee0), -, _1415032)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _1450542)
   Call: (195) [system] peek_char((0x563acd73bee0), _1451476)
   Exit: (195) [system] peek_char((0x563acd73bee0), >)
^  Call: (195) [user] is_delimiter(>)
   Call: (196) [system] char_type(>, space)
   Fail: (196) [system] char_type(>, space)
   Call: (196) [system] arg(_1456196, v('(', ')', end_of_file), >)
   Fail: (196) [system] arg(_1457128, v('(', ')', end_of_file), >)
^  Fail: (195) [user] is_delimiter(>)
   Call: (195) [system] ')'==(>)
   Fail: (195) [system] ')'==(>)
   Call: (195) [system] get_char((0x563acd73bee0), >)
   Exit: (195) [system] get_char((0x563acd73bee0), >)
   Call: (195) [system] (>)=(\)
   Fail: (195) [system] (>)=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _1464478)
   Call: (196) [system] peek_char((0x563acd73bee0), _1465412)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _1464478=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (195) [system] _1450542=[>]
   Exit: (195) [system] [>]=[>]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [>])
^  Call: (194) [user] classify_and_convert_charseq([-, >], _1415032)
^  Call: (195) [user] classify_and_convert_charseq_([-, >], _1477490)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_1478442, _1478444), once(user:catch(read_from_chars([-, >], _1477490), _1478424, fail)), '$restore_trace'(_1478442, _1478444))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_1478442, _1478444))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _1478424, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(->)
   Exit: (196) [system] atomic(->)
^  Exit: (195) [user] classify_and_convert_charseq_([-, >], ->)
   Call: (195) [system] integer(->)
   Fail: (195) [system] integer(->)
   Call: (195) [system] _1415032=(->)
   Exit: (195) [system] (->)=(->)
^  Exit: (194) [user] classify_and_convert_charseq([-, >], ->)
^  Exit: (193) [user] read_symbolic(')', (0x563acd73bee0), -, ->)
^  Exit: (192) [user] cont_sexpr(')', (0x563acd73bee0), ->)
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _1490570)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1492428)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x563acd73bee0), _1502022)
   Exit: (194) [system] get_char((0x563acd73bee0), ' ')
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1504726)
   Exit: (195) [system] peek_char((0x563acd73bee0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1521660)
   Exit: (193) [system] peek_char((0x563acd73bee0), $)
   Call: (193) [system] ($)=')'
   Fail: (193) [system] ($)=')'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x563acd73bee0), _1527230)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1529088)
   Exit: (195) [system] peek_char((0x563acd73bee0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] get_char((0x563acd73bee0), _1545098)
   Exit: (194) [system] get_char((0x563acd73bee0), $)
   Call: (194) [system] ($)='('
   Fail: (194) [system] ($)='('
   Call: (194) [system] ($)='['
   Fail: (194) [system] ($)='['
   Call: (194) [system] ($)='{'
   Fail: (194) [system] ($)='{'
   Call: (194) [system] ($)='"'
   Fail: (194) [system] ($)='"'
   Call: (194) [system] ($)=!
   Fail: (194) [system] ($)=!
   Call: (194) [system] ($)='\''
   Fail: (194) [system] ($)='\''
   Call: (194) [system] ($)='`'
   Fail: (194) [system] ($)='`'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x563acd73bee0), $, _1527230)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _1562740)
   Call: (196) [system] peek_char((0x563acd73bee0), _1563674)
   Exit: (196) [system] peek_char((0x563acd73bee0), r)
^  Call: (196) [user] is_delimiter(r)
   Call: (197) [system] char_type(r, space)
   Fail: (197) [system] char_type(r, space)
   Call: (197) [system] arg(_1568394, v('(', ')', end_of_file), r)
   Fail: (197) [system] arg(_1569326, v('(', ')', end_of_file), r)
^  Fail: (196) [user] is_delimiter(r)
   Call: (196) [system] ')'==r
   Fail: (196) [system] ')'==r
   Call: (196) [system] get_char((0x563acd73bee0), r)
   Exit: (196) [system] get_char((0x563acd73bee0), r)
   Call: (196) [system] r=(\)
   Fail: (196) [system] r=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _1576676)
   Call: (197) [system] peek_char((0x563acd73bee0), _1577610)
   Exit: (197) [system] peek_char((0x563acd73bee0), t)
^  Call: (197) [user] is_delimiter(t)
   Call: (198) [system] char_type(t, space)
   Fail: (198) [system] char_type(t, space)
   Call: (198) [system] arg(_1582330, v('(', ')', end_of_file), t)
   Fail: (198) [system] arg(_1583262, v('(', ')', end_of_file), t)
^  Fail: (197) [user] is_delimiter(t)
   Call: (197) [system] ')'==t
   Fail: (197) [system] ')'==t
   Call: (197) [system] get_char((0x563acd73bee0), t)
   Exit: (197) [system] get_char((0x563acd73bee0), t)
   Call: (197) [system] t=(\)
   Fail: (197) [system] t=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _1590612)
   Call: (198) [system] peek_char((0x563acd73bee0), _1591546)
   Exit: (198) [system] peek_char((0x563acd73bee0), ')')
^  Call: (198) [user] is_delimiter(')')
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] arg(_1596266, v('(', ')', end_of_file), ')')
   Exit: (199) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (198) [user] is_delimiter(')')
   Call: (198) [system] _1590612=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (197) [system] _1576676=[t]
   Exit: (197) [system] [t]=[t]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [t])
   Call: (196) [system] _1562740=[r, t]
   Exit: (196) [system] [r, t]=[r, t]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, t])
^  Call: (195) [user] classify_and_convert_charseq([$, r, t], _1527230)
^  Call: (196) [user] classify_and_convert_charseq_([$, r, t], _1608290)
   Call: (197) [system] atom_chars(_1609222, ['_', r, t])
   Exit: (197) [system] atom_chars('_rt', ['_', r, t])
^  Exit: (196) [user] classify_and_convert_charseq_([$, r, t], _rt)
   Call: (196) [system] integer(_rt)
   Fail: (196) [system] integer(_rt)
   Call: (196) [system] _1527230=_rt
   Exit: (196) [system] _rt=_rt
^  Exit: (195) [user] classify_and_convert_charseq([$, r, t], _rt)
^  Exit: (194) [user] read_symbolic(')', (0x563acd73bee0), $, _rt)
^  Exit: (193) [user] cont_sexpr(')', (0x563acd73bee0), _rt)
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _1618514)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1620372)
   Exit: (195) [system] peek_char((0x563acd73bee0), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
   Call: (195) [system] ')'=(/)
   Fail: (195) [system] ')'=(/)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1636382)
   Exit: (194) [system] peek_char((0x563acd73bee0), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x563acd73bee0), _1640172)
   Exit: (194) [system] get_char((0x563acd73bee0), ')')
   Call: (194) [system] _1618514=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), [])
   Call: (193) [system] _1490570=[_rt]
   Exit: (193) [system] [_rt]=[_rt]
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), [_rt])
   Call: (192) [system] _1370014=[->, _rt]
   Exit: (192) [system] [->, _rt]=[->, _rt]
^  Exit: (191) [user] read_list(')', (0x563acd73bee0), [->, _rt])
^  Exit: (190) [user] cont_sexpr(')', (0x563acd73bee0), [->, _rt])
^  Call: (190) [user] read_list(')', (0x563acd73bee0), _1651260)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1653118)
   Exit: (192) [system] peek_char((0x563acd73bee0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x563acd73bee0), _1662712)
   Exit: (192) [system] get_char((0x563acd73bee0), ' ')
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1665416)
   Exit: (193) [system] peek_char((0x563acd73bee0), 'N')
   Call: (193) [system] 'N'=(;)
   Fail: (193) [system] 'N'=(;)
   Call: (193) [system] 'N'=(/)
   Fail: (193) [system] 'N'=(/)
^  Call: (193) [user] is_like_space('N')
   Call: (194) [system] char_type('N', 'white')
   Fail: (194) [system] char_type('N', 'white')
   Call: (194) [system] char_type('N', end_of_line)
   Fail: (194) [system] char_type('N', end_of_line)
   Call: (194) [system] char_type('N', space)
   Fail: (194) [system] char_type('N', space)
   Call: (194) [system] char_type('N', cntrl)
   Fail: (194) [system] char_type('N', cntrl)
^  Fail: (193) [user] is_like_space('N')
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _1682350)
   Exit: (191) [system] peek_char((0x563acd73bee0), 'N')
   Call: (191) [system] 'N'=')'
   Fail: (191) [system] 'N'=')'
   Call: (191) [system] 'N'=end_of_file
   Fail: (191) [system] 'N'=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x563acd73bee0), _1687920)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1689778)
   Exit: (193) [system] peek_char((0x563acd73bee0), 'N')
   Call: (193) [system] 'N'=(;)
   Fail: (193) [system] 'N'=(;)
   Call: (193) [system] 'N'=(/)
   Fail: (193) [system] 'N'=(/)
^  Call: (193) [user] is_like_space('N')
   Call: (194) [system] char_type('N', 'white')
   Fail: (194) [system] char_type('N', 'white')
   Call: (194) [system] char_type('N', end_of_line)
   Fail: (194) [system] char_type('N', end_of_line)
   Call: (194) [system] char_type('N', space)
   Fail: (194) [system] char_type('N', space)
   Call: (194) [system] char_type('N', cntrl)
   Fail: (194) [system] char_type('N', cntrl)
^  Fail: (193) [user] is_like_space('N')
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] get_char((0x563acd73bee0), _1705788)
   Exit: (192) [system] get_char((0x563acd73bee0), 'N')
   Call: (192) [system] 'N'='('
   Fail: (192) [system] 'N'='('
   Call: (192) [system] 'N'='['
   Fail: (192) [system] 'N'='['
   Call: (192) [system] 'N'='{'
   Fail: (192) [system] 'N'='{'
   Call: (192) [system] 'N'='"'
   Fail: (192) [system] 'N'='"'
   Call: (192) [system] 'N'=!
   Fail: (192) [system] 'N'=!
   Call: (192) [system] 'N'='\''
   Fail: (192) [system] 'N'='\''
   Call: (192) [system] 'N'='`'
   Fail: (192) [system] 'N'='`'
   Call: (192) [system] 'N'=end_of_file
   Fail: (192) [system] 'N'=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x563acd73bee0), 'N', _1687920)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _1723430)
   Call: (194) [system] peek_char((0x563acd73bee0), _1724364)
   Exit: (194) [system] peek_char((0x563acd73bee0), a)
^  Call: (194) [user] is_delimiter(a)
   Call: (195) [system] char_type(a, space)
   Fail: (195) [system] char_type(a, space)
   Call: (195) [system] arg(_1729084, v('(', ')', end_of_file), a)
   Fail: (195) [system] arg(_1730016, v('(', ')', end_of_file), a)
^  Fail: (194) [user] is_delimiter(a)
   Call: (194) [system] ')'==a
   Fail: (194) [system] ')'==a
   Call: (194) [system] get_char((0x563acd73bee0), a)
   Exit: (194) [system] get_char((0x563acd73bee0), a)
   Call: (194) [system] a=(\)
   Fail: (194) [system] a=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _1737366)
   Call: (195) [system] peek_char((0x563acd73bee0), _1738300)
   Exit: (195) [system] peek_char((0x563acd73bee0), t)
^  Call: (195) [user] is_delimiter(t)
   Call: (196) [system] char_type(t, space)
   Fail: (196) [system] char_type(t, space)
   Call: (196) [system] arg(_1743020, v('(', ')', end_of_file), t)
   Fail: (196) [system] arg(_1743952, v('(', ')', end_of_file), t)
^  Fail: (195) [user] is_delimiter(t)
   Call: (195) [system] ')'==t
   Fail: (195) [system] ')'==t
   Call: (195) [system] get_char((0x563acd73bee0), t)
   Exit: (195) [system] get_char((0x563acd73bee0), t)
   Call: (195) [system] t=(\)
   Fail: (195) [system] t=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _1751302)
   Call: (196) [system] peek_char((0x563acd73bee0), _1752236)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _1751302=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (195) [system] _1737366=[t]
   Exit: (195) [system] [t]=[t]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [t])
   Call: (194) [system] _1723430=[a, t]
   Exit: (194) [system] [a, t]=[a, t]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t])
^  Call: (193) [user] classify_and_convert_charseq(['N', a, t], _1687920)
^  Call: (194) [user] classify_and_convert_charseq_(['N', a, t], _1767108)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_1768060, _1768062), once(user:catch(read_from_chars(['N', a, t], _1767108), _1768042, fail)), '$restore_trace'(_1768060, _1768062))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_1768060, _1768062))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['N', a, t], _1767108), _1768042, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(_1767108)
   Fail: (195) [system] atomic(_1767108)
   Call: (195) [system] atom_chars(_1767108, ['N', a, t])
   Exit: (195) [system] atom_chars('Nat', ['N', a, t])
^  Exit: (194) [user] classify_and_convert_charseq_(['N', a, t], 'Nat')
   Call: (194) [system] integer('Nat')
   Fail: (194) [system] integer('Nat')
   Call: (194) [system] _1687920='Nat'
   Exit: (194) [system] 'Nat'='Nat'
^  Exit: (193) [user] classify_and_convert_charseq(['N', a, t], 'Nat')
^  Exit: (192) [user] read_symbolic(')', (0x563acd73bee0), 'N', 'Nat')
^  Exit: (191) [user] cont_sexpr(')', (0x563acd73bee0), 'Nat')
^  Call: (191) [user] read_list(')', (0x563acd73bee0), _1782058)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1783916)
   Exit: (193) [system] peek_char((0x563acd73bee0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x563acd73bee0), _1793510)
   Exit: (193) [system] get_char((0x563acd73bee0), ' ')
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1796214)
   Exit: (194) [system] peek_char((0x563acd73bee0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1813148)
   Exit: (192) [system] peek_char((0x563acd73bee0), $)
   Call: (192) [system] ($)=')'
   Fail: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x563acd73bee0), _1818718)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1820576)
   Exit: (194) [system] peek_char((0x563acd73bee0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] get_char((0x563acd73bee0), _1836586)
   Exit: (193) [system] get_char((0x563acd73bee0), $)
   Call: (193) [system] ($)='('
   Fail: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Fail: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Fail: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Fail: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Fail: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Fail: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Fail: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x563acd73bee0), $, _1818718)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _1854228)
   Call: (195) [system] peek_char((0x563acd73bee0), _1855162)
   Exit: (195) [system] peek_char((0x563acd73bee0), a)
^  Call: (195) [user] is_delimiter(a)
   Call: (196) [system] char_type(a, space)
   Fail: (196) [system] char_type(a, space)
   Call: (196) [system] arg(_1859882, v('(', ')', end_of_file), a)
   Fail: (196) [system] arg(_1860814, v('(', ')', end_of_file), a)
^  Fail: (195) [user] is_delimiter(a)
   Call: (195) [system] ')'==a
   Fail: (195) [system] ')'==a
   Call: (195) [system] get_char((0x563acd73bee0), a)
   Exit: (195) [system] get_char((0x563acd73bee0), a)
   Call: (195) [system] a=(\)
   Fail: (195) [system] a=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _1868164)
   Call: (196) [system] peek_char((0x563acd73bee0), _1869098)
   Exit: (196) [system] peek_char((0x563acd73bee0), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_1873818, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _1868164=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (195) [system] _1854228=[a]
   Exit: (195) [system] [a]=[a]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [a])
^  Call: (194) [user] classify_and_convert_charseq([$, a], _1818718)
^  Call: (195) [user] classify_and_convert_charseq_([$, a], _1883048)
   Call: (196) [system] atom_chars(_1883980, ['_', a])
   Exit: (196) [system] atom_chars('_a', ['_', a])
^  Exit: (195) [user] classify_and_convert_charseq_([$, a], _a)
   Call: (195) [system] integer(_a)
   Fail: (195) [system] integer(_a)
   Call: (195) [system] _1818718=_a
   Exit: (195) [system] _a=_a
^  Exit: (194) [user] classify_and_convert_charseq([$, a], _a)
^  Exit: (193) [user] read_symbolic(')', (0x563acd73bee0), $, _a)
^  Exit: (192) [user] cont_sexpr(')', (0x563acd73bee0), _a)
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _1893272)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1895130)
   Exit: (194) [system] peek_char((0x563acd73bee0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
   Call: (194) [system] ')'=(/)
   Fail: (194) [system] ')'=(/)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1911140)
   Exit: (193) [system] peek_char((0x563acd73bee0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x563acd73bee0), _1914930)
   Exit: (193) [system] get_char((0x563acd73bee0), ')')
   Call: (193) [system] _1893272=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), [])
   Call: (192) [system] _1782058=[_a]
   Exit: (192) [system] [_a]=[_a]
^  Exit: (191) [user] read_list(')', (0x563acd73bee0), [_a])
   Call: (191) [system] _1651260=['Nat', _a]
   Exit: (191) [system] ['Nat', _a]=['Nat', _a]
^  Exit: (190) [user] read_list(')', (0x563acd73bee0), ['Nat', _a])
   Call: (190) [system] _1333354=[[->, _rt], 'Nat', _a]
   Exit: (190) [system] [[->, _rt], 'Nat', _a]=[[->, _rt], 'Nat', _a]
^  Exit: (189) [user] read_list(')', (0x563acd73bee0), [[->, _rt], 'Nat', _a])
   Call: (189) [system] _1015448=[[->, _kt], [->, _rt], 'Nat', _a]
   Exit: (189) [system] [[->, _kt], [->, _rt], 'Nat', _a]=[[->, _kt], [->, _rt], 'Nat', _a]
^  Exit: (188) [user] read_list(')', (0x563acd73bee0), [[->, _kt], [->, _rt], 'Nat', _a])
   Call: (188) [system] _906106=[_a, [->, _kt], [->, _rt], 'Nat', _a]
   Exit: (188) [system] [_a, [->, _kt], [->, _rt], 'Nat', _a]=[_a, [->, _kt], [->, _rt], 'Nat', _a]
^  Exit: (187) [user] read_list(')', (0x563acd73bee0), [_a, [->, _kt], [->, _rt], 'Nat', _a])
   Call: (187) [system] _785550=[->, _a, [->, _kt], [->, _rt], 'Nat', _a]
   Exit: (187) [system] [->, _a, [->, _kt], [->, _rt], 'Nat', _a]=[->, _a, [->, _kt], [->, _rt], 'Nat', _a]
^  Exit: (186) [user] read_list(')', (0x563acd73bee0), [->, _a, [->, _kt], [->, _rt], 'Nat', _a])
^  Exit: (185) [user] cont_sexpr(')', (0x563acd73bee0), [->, _a, [->, _kt], [->, _rt], 'Nat', _a])
^  Call: (185) [user] read_list(')', (0x563acd73bee0), _1937194)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _1939052)
   Exit: (187) [system] peek_char((0x563acd73bee0), ')')
   Call: (187) [system] ')'=(;)
   Fail: (187) [system] ')'=(;)
   Call: (187) [system] ')'=(/)
   Fail: (187) [system] ')'=(/)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Fail: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Fail: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Fail: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
   Fail: (188) [system] char_type(')', cntrl)
^  Fail: (187) [user] is_like_space(')')
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1955062)
   Exit: (186) [system] peek_char((0x563acd73bee0), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x563acd73bee0), _1958852)
   Exit: (186) [system] get_char((0x563acd73bee0), ')')
   Call: (186) [system] _1937194=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x563acd73bee0), [])
   Call: (185) [system] _748890=[[->, _a, [->, _kt], [->, _rt], 'Nat', _a]]
   Exit: (185) [system] [[->, _a, [->, _kt], [->, _rt], 'Nat', _a]]=[[->, _a, [->, _kt], [->, _rt], 'Nat', _a]]
^  Exit: (184) [user] read_list(')', (0x563acd73bee0), [[->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
   Call: (184) [system] _502852=[synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]
   Exit: (184) [system] [synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]=[synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]
^  Exit: (183) [user] read_list(')', (0x563acd73bee0), [synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
   Call: (183) [system] _3318=[:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]
   Exit: (183) [system] [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]=[:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]
^  Exit: (182) [user] read_list(')', (0x563acd73bee0), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (181) [user] cont_sexpr(')', (0x563acd73bee0), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (180) [user] read_sexpr((0x563acd73bee0), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Call: (180) [user] assertz(metta_file_comment(18, 0, 367, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], '$stream_position'(367, 18, 0, 367)))
^  Exit: (180) [user] assertz(metta_file_comment(18, 0, 367, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], '$stream_position'(367, 18, 0, 367)))
^  Exit: (178) [system] once(user:(read_position((0x563acd73bee0), 18, 0, 367, '$stream_position'(367, 18, 0, 367)), read_sexpr((0x563acd73bee0), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]), assertz(metta_file_comment(18, 0, 367, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], '$stream_position'(367, 18, 0, 367)))))
   Call: (178) [system] fail
^  Call: (178) [user] retract(metta_file_comment(_1977370, _1977372, _1977374, _1977376, _1977378))
^  Exit: (178) [user] retract(metta_file_comment(37, 0, 1164, '$COMMENT'(";;", 37, 0), '$stream_position'(1164, 37, 0, 1164)))
^  Call: (178) [user] trly(untyped_to_metta, '$COMMENT'(";;", 37, 0), _3084)
^  Call: (179) [user] once(call(untyped_to_metta, '$COMMENT'(";;", 37, 0), _1980202))
^  Call: (180) [user] call(untyped_to_metta, '$COMMENT'(";;", 37, 0), _1980202)
^  Call: (181) [user] untyped_to_metta('$COMMENT'(";;", 37, 0), _1980202)
^  Call: (182) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";;", 37, 0), _1983018))
^  Call: (183) [user] once(user:trly(mfix_vars1, '$COMMENT'(";;", 37, 0), _1983018))
^  Call: (184) [user] trly(mfix_vars1, '$COMMENT'(";;", 37, 0), _1983018)
^  Call: (185) [user] once(call(mfix_vars1, '$COMMENT'(";;", 37, 0), _1985818))
^  Call: (186) [user] call(mfix_vars1, '$COMMENT'(";;", 37, 0), _1985818)
^  Call: (187) [user] mfix_vars1('$COMMENT'(";;", 37, 0), _1985818)
   Call: (188) [system] var('$COMMENT'(";;", 37, 0))
   Call: (188) [system] atom('$COMMENT'(";;", 37, 0))
   Call: (188) [system] '$COMMENT'(";;", 37, 0)==true
   Call: (188) [system] '$COMMENT'(";;", 37, 0)==false
   Call: (188) [system] '$COMMENT'(";;", 37, 0)==[_1992338, _1992344]
   Call: (188) [system] is_list('$COMMENT'(";;", 37, 0))
   Call: (188) [system] string('$COMMENT'(";;", 37, 0))
   Call: (188) [system] compound('$COMMENT'(";;", 37, 0))
   Exit: (188) [system] compound('$COMMENT'(";;", 37, 0))
   Call: (188) [system] compound_name_arguments('$COMMENT'(";;", 37, 0), _1996972, _1996974)
   Exit: (188) [system] compound_name_arguments('$COMMENT'(";;", 37, 0), '$COMMENT', [";;", 37, 0])
   Call: (188) [system] '$COMMENT'\=='$VAR'
   Exit: (188) [system] '$COMMENT'\=='$VAR'
^  Call: (188) [user] apply:maplist(mfix_vars1, [";;", 37, 0], _2000714)
   Call: (189) [apply] apply:maplist_([";;", 37, 0], _2000714, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(";;", _2002594)
   Call: (191) [system] var(";;")
   Call: (191) [system] atom(";;")
   Call: (191) [system] ";;"==true
   Call: (191) [system] ";;"==false
   Call: (191) [system] ";;"==[_2007236, _2007242]
   Call: (191) [system] is_list(";;")
   Call: (191) [system] string(";;")
   Exit: (191) [system] string(";;")
^  Call: (191) [user] string_to_syms
   Call: (192) [system] fail
   Call: (191) [system] compound(";;")
^  Call: (191) [user] symbol(";;")
   Call: (192) [system] atom(";;")
   Fail: (192) [system] atom(";;")
^  Fail: (191) [user] symbol(";;")
   Call: (191) [system] ";;"=_2002594
   Exit: (191) [system] ";;"=";;"
^  Exit: (190) [user] mfix_vars1(";;", ";;")
   Call: (190) [apply] apply:maplist_([37, 0], _2002596, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(37, _2021116)
   Call: (192) [system] var(37)
   Call: (192) [system] atom(37)
   Call: (192) [system] 37==true
   Call: (192) [system] 37==false
   Call: (192) [system] 37==[_2025758, _2025764]
   Call: (192) [system] is_list(37)
   Call: (192) [system] string(37)
   Call: (192) [system] compound(37)
^  Call: (192) [user] symbol(37)
   Call: (193) [system] atom(37)
   Fail: (193) [system] atom(37)
^  Fail: (192) [user] symbol(37)
   Call: (192) [system] 37=_2021116
   Exit: (192) [system] 37=37
^  Exit: (191) [user] mfix_vars1(37, 37)
   Call: (191) [apply] apply:maplist_([0], _2021118, user:mfix_vars1)
^  Call: (192) [user] mfix_vars1(0, _2036882)
   Call: (193) [system] var(0)
   Call: (193) [system] atom(0)
   Call: (193) [system] 0==true
   Call: (193) [system] 0==false
   Call: (193) [system] 0==[_2041524, _2041530]
   Call: (193) [system] is_list(0)
   Call: (193) [system] string(0)
   Call: (193) [system] compound(0)
^  Call: (193) [user] symbol(0)
   Call: (194) [system] atom(0)
   Fail: (194) [system] atom(0)
^  Fail: (193) [user] symbol(0)
   Call: (193) [system] 0=_2036882
   Exit: (193) [system] 0=0
^  Exit: (192) [user] mfix_vars1(0, 0)
   Call: (192) [apply] apply:maplist_([], _2036884, user:mfix_vars1)
   Exit: (192) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([37, 0], [37, 0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([";;", 37, 0], [";;", 37, 0], user:mfix_vars1)
^  Exit: (188) [apply] apply:maplist(user:mfix_vars1, [";;", 37, 0], [";;", 37, 0])
   Call: (188) [system] compound_name_arguments(_1985818, '$COMMENT', [";;", 37, 0])
   Exit: (188) [system] compound_name_arguments('$COMMENT'(";;", 37, 0), '$COMMENT', [";;", 37, 0])
^  Exit: (187) [user] mfix_vars1('$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0))
^  Exit: (186) [system] call(user:mfix_vars1, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0))
^  Exit: (185) [system] once(user:call(mfix_vars1, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0)))
   Call: (185) [system] '$COMMENT'(";;", 37, 0)\=@='$COMMENT'(";;", 37, 0)
^  Exit: (184) [user] trly(mfix_vars1, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0))
^  Exit: (183) [system] once(user:trly(mfix_vars1, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0)))
^  Exit: (182) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0)))
^  Call: (182) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";;", 37, 0), _2065700))
^  Call: (183) [user] once(user:trly(cons_to_c, '$COMMENT'(";;", 37, 0), _2065700))
^  Call: (184) [user] trly(cons_to_c, '$COMMENT'(";;", 37, 0), _2065700)
^  Call: (185) [user] once(call(cons_to_c, '$COMMENT'(";;", 37, 0), _2068500))
^  Call: (186) [user] call(cons_to_c, '$COMMENT'(";;", 37, 0), _2068500)
^  Call: (187) [user] cons_to_c('$COMMENT'(";;", 37, 0), _2068500)
^  Call: (188) [user] no_cons_reduce
^  Exit: (188) [user] no_cons_reduce
^  Exit: (187) [user] cons_to_c('$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0))
^  Exit: (186) [system] call(user:cons_to_c, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0))
^  Exit: (185) [system] once(user:call(cons_to_c, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0)))
   Call: (185) [system] '$COMMENT'(";;", 37, 0)\=@='$COMMENT'(";;", 37, 0)
^  Exit: (184) [user] trly(cons_to_c, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0))
^  Exit: (183) [system] once(user:trly(cons_to_c, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0)))
^  Exit: (182) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0)))
^  Call: (182) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";;", 37, 0), _1980202))
^  Call: (183) [user] once(user:trly(cons_to_l, '$COMMENT'(";;", 37, 0), _1980202))
^  Call: (184) [user] trly(cons_to_l, '$COMMENT'(";;", 37, 0), _1980202)
^  Call: (185) [user] once(call(cons_to_l, '$COMMENT'(";;", 37, 0), _2082458))
^  Call: (186) [user] call(cons_to_l, '$COMMENT'(";;", 37, 0), _2082458)
^  Call: (187) [user] cons_to_l('$COMMENT'(";;", 37, 0), _2082458)
^  Call: (188) [user] no_cons_reduce
^  Exit: (188) [user] no_cons_reduce
^  Exit: (187) [user] cons_to_l('$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0))
^  Exit: (186) [system] call(user:cons_to_l, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0))
^  Exit: (185) [system] once(user:call(cons_to_l, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0)))
   Call: (185) [system] '$COMMENT'(";;", 37, 0)\=@='$COMMENT'(";;", 37, 0)
^  Exit: (184) [user] trly(cons_to_l, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0))
^  Exit: (183) [system] once(user:trly(cons_to_l, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0)))
^  Exit: (182) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0)))
^  Exit: (181) [user] untyped_to_metta('$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0))
^  Exit: (180) [system] call(user:untyped_to_metta, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0))
^  Exit: (179) [system] once(user:call(untyped_to_metta, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0)))
   Call: (179) [system] '$COMMENT'(";;", 37, 0)\=@='$COMMENT'(";;", 37, 0)
^  Exit: (178) [user] trly(untyped_to_metta, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0))
^  Exit: (177) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";;", 37, 0))
   Call: (177) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";;", 37, 0))))
   Exit: (177) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";;", 37, 0))))
^  Exit: (176) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";;", 37, 0))
^  Exit: (175) [user] parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";;", 37, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";;", 37, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";;", 37, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";;", 37, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";;", 37, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";;", 37, 0))
^  Exit: (171) [user] read_sform((0x563acd73bee0), '$COMMENT'(";;", 37, 0))
^  Exit: (170) [system] once(user:read_sform((0x563acd73bee0), '$COMMENT'(";;", 37, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x563acd73bee0), '$COMMENT'(";;", 37, 0)))
   Call: (169) [system] '$COMMENT'(";;", 37, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";;", 37, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1727204587.625688), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204587.625688), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 37, 0)), 16]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";;", 37, 0), ynthesize_long_1727204587_629323, 16)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1727204587.625688), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204587.625688), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 37, 0)), 16]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1727204588.3690884)
   Call: (173) [system] arg(1, t(1727204587.625688), _3148)
   Exit: (173) [system] arg(1, t(1727204587.625688), 1727204587.625688)
   Call: (173) [system] _3158 is 1727204588.3690884-1727204587.625688
   Exit: (173) [system] 0.7434003353118896 is 1727204588.3690884-1727204587.625688
   Call: (173) [system] 0.7434003353118896>4
   Fail: (173) [system] 0.7434003353118896>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1727204587.625688), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204587.625688), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 37, 0)), 16]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 3)
   Call: (175) [system] atom(3+1)
   Call: (175) [system] set_flag(translated_forms, 4)
   Exit: (175) [system] set_flag(translated_forms, 4)
   Exit: (174) [$syspreds] update_flag(translated_forms, 3, 3+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 3, 3+1))
   Exit: (171) [$syspreds] flag(translated_forms, 3, 3+1)
^  Call: (171) [user] write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";;", 37, 0), ynthesize_long_1727204587_629323, 16)
^  Call: (172) [user] format((0x563acd7397e0), "/* ~w */~n", [";;"])
^  Exit: (172) [user] format((0x563acd7397e0), "/* ~w */~n", [";;"])
^  Exit: (171) [user] write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";;", 37, 0), ynthesize_long_1727204587_629323, 16)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1727204587.625688), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204587.625688), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 37, 0)), 16]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 3, 3+1), write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";;", 37, 0), ynthesize_long_1727204587_629323, 16)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x563acd73bee0))
   Fail: (169) [system] at_end_of_stream((0x563acd73bee0))
^  Call: (169) [user] must_det_ll(line_count((0x563acd73bee0), _3074))
^  Call: (170) [user] once(user:line_count((0x563acd73bee0), _3074))
   Call: (171) [system] line_count((0x563acd73bee0), _3074)
   Exit: (171) [system] line_count((0x563acd73bee0), 49)
^  Exit: (170) [system] once(user:line_count((0x563acd73bee0), 49))
^  Exit: (169) [user] must_det_ll(user:line_count((0x563acd73bee0), 49))
^  Call: (169) [user] must_det_ll(read_sform((0x563acd73bee0), _3084))
^  Call: (170) [user] once(user:read_sform((0x563acd73bee0), _3084))
^  Call: (171) [user] read_sform((0x563acd73bee0), _3084)
   Call: (172) [system] string((0x563acd73bee0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
   Call: (173) [system] string((0x563acd73bee0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), _3084)
   Call: (174) [system] at_end_of_stream((0x563acd73bee0))
   Call: (174) [system] peek_char((0x563acd73bee0), _64732)
   Exit: (174) [system] peek_char((0x563acd73bee0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x563acd73bee0), '\n')
   Exit: (174) [system] get_char((0x563acd73bee0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x563acd73bee0), _3084)
   Call: (175) [system] at_end_of_stream((0x563acd73bee0))
   Call: (175) [system] peek_char((0x563acd73bee0), _72154)
   Exit: (175) [system] peek_char((0x563acd73bee0), ;)
   Call: (175) [system] char_type(;, space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
   Call: (176) [system] string((0x563acd73bee0))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), _3084)
   Call: (177) [system] at_end_of_stream((0x563acd73bee0))
   Call: (177) [system] peek_char((0x563acd73bee0), _80492)
   Exit: (177) [system] peek_char((0x563acd73bee0), ;)
   Call: (177) [system] char_type(;, space)
   Call: (177) [system] _83278=(0x563acd73bee0)
   Exit: (177) [system] (0x563acd73bee0)=(0x563acd73bee0)
^  Call: (177) [user] once((read_position((0x563acd73bee0), _85146, _85148, _85150, _85152), read_sexpr((0x563acd73bee0), _85164), assertz(metta_file_comment(_85146, _85148, _85150, _85164, _85152))))
^  Call: (179) [user] read_position((0x563acd73bee0), _85146, _85148, _85150, _85152)
   Call: (180) [system] stream_property((0x563acd73bee0), position(_85152))
   Call: (181) [system] nonvar((0x563acd73bee0))
   Exit: (181) [system] nonvar((0x563acd73bee0))
   Call: (181) [system] nonvar(position(_85152))
   Exit: (181) [system] nonvar(position(_85152))
   Exit: (180) [system] stream_property((0x563acd73bee0), position('$stream_position'(1601, 50, 0, 1601)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(1601, 50, 0, 1601), _85146)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _95404)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(1601, 50, 0, 1601), _85146)
   Exit: (181) [system] arg(2, '$stream_position'(1601, 50, 0, 1601), 50)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(1601, 50, 0, 1601), 50)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(1601, 50, 0, 1601), _85148)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _102838)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(1601, 50, 0, 1601), _85148)
   Exit: (181) [system] arg(3, '$stream_position'(1601, 50, 0, 1601), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(1601, 50, 0, 1601), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(1601, 50, 0, 1601), _85150)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _110272)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(1601, 50, 0, 1601), _85150)
   Exit: (181) [system] arg(1, '$stream_position'(1601, 50, 0, 1601), 1601)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(1601, 50, 0, 1601), 1601)
^  Exit: (179) [user] read_position((0x563acd73bee0), 50, 0, 1601, '$stream_position'(1601, 50, 0, 1601))
^  Call: (179) [user] read_sexpr((0x563acd73bee0), _85164)
   Call: (180) [system] string((0x563acd73bee0))
   Fail: (180) [system] string((0x563acd73bee0))
^  Call: (180) [user] cont_sexpr(')', (0x563acd73bee0), _85164)
^  Call: (181) [user] skip_spaces((0x563acd73bee0))
   Call: (182) [system] peek_char((0x563acd73bee0), _120498)
   Exit: (182) [system] peek_char((0x563acd73bee0), ;)
   Call: (182) [system] (;)=(;)
   Exit: (182) [system] (;)=(;)
^  Call: (182) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (183) [user] read_position((0x563acd73bee0), _125136, _125138, _125140, _125142)
   Call: (184) [system] stream_property((0x563acd73bee0), position(_125142))
   Call: (185) [system] nonvar((0x563acd73bee0))
   Exit: (185) [system] nonvar((0x563acd73bee0))
   Call: (185) [system] nonvar(position(_125142))
   Exit: (185) [system] nonvar(position(_125142))
   Exit: (184) [system] stream_property((0x563acd73bee0), position('$stream_position'(1601, 50, 0, 1601)))
   Call: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(1601, 50, 0, 1601), _125136)
   Call: (185) [system] nonvar(line_count)
   Exit: (185) [system] nonvar(line_count)
   Call: (185) [$syspreds] stream_position_field(line_count, _134430)
   Exit: (185) [$syspreds] stream_position_field(line_count, 2)
   Call: (185) [system] arg(2, '$stream_position'(1601, 50, 0, 1601), _125136)
   Exit: (185) [system] arg(2, '$stream_position'(1601, 50, 0, 1601), 50)
   Exit: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(1601, 50, 0, 1601), 50)
   Call: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(1601, 50, 0, 1601), _125138)
   Call: (185) [system] nonvar(line_position)
   Exit: (185) [system] nonvar(line_position)
   Call: (185) [$syspreds] stream_position_field(line_position, _141864)
   Exit: (185) [$syspreds] stream_position_field(line_position, 3)
   Call: (185) [system] arg(3, '$stream_position'(1601, 50, 0, 1601), _125138)
   Exit: (185) [system] arg(3, '$stream_position'(1601, 50, 0, 1601), 0)
   Exit: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(1601, 50, 0, 1601), 0)
   Call: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(1601, 50, 0, 1601), _125140)
   Call: (185) [system] nonvar(char_count)
   Exit: (185) [system] nonvar(char_count)
   Call: (185) [$syspreds] stream_position_field(char_count, _149298)
   Exit: (185) [$syspreds] stream_position_field(char_count, 1)
   Call: (185) [system] arg(1, '$stream_position'(1601, 50, 0, 1601), _125140)
   Exit: (185) [system] arg(1, '$stream_position'(1601, 50, 0, 1601), 1601)
   Exit: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(1601, 50, 0, 1601), 1601)
^  Exit: (183) [user] read_position((0x563acd73bee0), 50, 0, 1601, '$stream_position'(1601, 50, 0, 1601))
   Call: (183) [read_util] read_util:read_line_to_string((0x563acd73bee0), _154892)
   Call: (184) [system] read_string((0x563acd73bee0), '\n', '\r', _155822, _155824)
   Exit: (184) [system] read_string((0x563acd73bee0), '\n', '\r', 10, ";; Nullary rule (axiom)")
   Call: (184) [system] 10\== -1
   Exit: (184) [system] 10\== -1
   Call: (184) [system] _154892=";; Nullary rule (axiom)"
   Exit: (184) [system] ";; Nullary rule (axiom)"=";; Nullary rule (axiom)"
   Exit: (183) [read_util] read_util:read_line_to_string((0x563acd73bee0), ";; Nullary rule (axiom)")
^  Call: (183) [user] assertz(metta_file_comment(50, 0, 1601, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$stream_position'(1601, 50, 0, 1601)))
^  Exit: (183) [user] assertz(metta_file_comment(50, 0, 1601, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$stream_position'(1601, 50, 0, 1601)))
^  Exit: (182) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (182) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] peek_char((0x563acd73bee0), _166086)
   Exit: (183) [system] peek_char((0x563acd73bee0), '(')
   Call: (183) [system] '('=(;)
   Fail: (183) [system] '('=(;)
   Call: (183) [system] '('=(/)
   Fail: (183) [system] '('=(/)
^  Call: (183) [user] is_like_space('(')
   Call: (184) [system] char_type('(', 'white')
   Fail: (184) [system] char_type('(', 'white')
   Call: (184) [system] char_type('(', end_of_line)
   Fail: (184) [system] char_type('(', end_of_line)
   Call: (184) [system] char_type('(', space)
   Fail: (184) [system] char_type('(', space)
   Call: (184) [system] char_type('(', cntrl)
   Fail: (184) [system] char_type('(', cntrl)
^  Fail: (183) [user] is_like_space('(')
^  Exit: (182) [user] skip_spaces((0x563acd73bee0))
^  Exit: (181) [user] skip_spaces((0x563acd73bee0))
   Call: (181) [system] get_char((0x563acd73bee0), _183020)
   Exit: (181) [system] get_char((0x563acd73bee0), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x563acd73bee0), _85164)
^  Call: (182) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] peek_char((0x563acd73bee0), _188590)
   Exit: (183) [system] peek_char((0x563acd73bee0), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
   Call: (183) [system] (=)=(/)
   Fail: (183) [system] (=)=(/)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x563acd73bee0))
   Call: (182) [system] peek_char((0x563acd73bee0), _204600)
   Exit: (182) [system] peek_char((0x563acd73bee0), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x563acd73bee0), _210170)
^  Call: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _212028)
   Exit: (184) [system] peek_char((0x563acd73bee0), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
   Call: (184) [system] (=)=(/)
   Fail: (184) [system] (=)=(/)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] get_char((0x563acd73bee0), _228038)
   Exit: (183) [system] get_char((0x563acd73bee0), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x563acd73bee0), =, _210170)
^  Call: (184) [user] read_symbolic_cont(')', (0x563acd73bee0), _245680)
   Call: (185) [system] peek_char((0x563acd73bee0), _246614)
   Exit: (185) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _245680=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (184) [user] classify_and_convert_charseq([=], _210170)
^  Call: (185) [user] classify_and_convert_charseq_([=], _255898)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_256850, _256852), once(user:catch(read_from_chars([=], _255898), _256832, fail)), '$restore_trace'(_256850, _256852))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_256850, _256852))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _256832, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(=)
   Exit: (186) [system] atomic(=)
^  Exit: (185) [user] classify_and_convert_charseq_([=], =)
   Call: (185) [system] integer(=)
   Fail: (185) [system] integer(=)
   Call: (185) [system] _210170=(=)
   Exit: (185) [system] (=)=(=)
^  Exit: (184) [user] classify_and_convert_charseq([=], =)
^  Exit: (183) [user] read_symbolic(')', (0x563acd73bee0), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x563acd73bee0), =)
^  Call: (182) [user] read_list(')', (0x563acd73bee0), _268978)
^  Call: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _270836)
   Exit: (184) [system] peek_char((0x563acd73bee0), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
   Call: (184) [system] ' '=(/)
   Fail: (184) [system] ' '=(/)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x563acd73bee0), _280430)
   Exit: (184) [system] get_char((0x563acd73bee0), ' ')
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _283134)
   Exit: (185) [system] peek_char((0x563acd73bee0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
^  Exit: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] peek_char((0x563acd73bee0), _300068)
   Exit: (183) [system] peek_char((0x563acd73bee0), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x563acd73bee0), _305638)
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _307496)
   Exit: (185) [system] peek_char((0x563acd73bee0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] get_char((0x563acd73bee0), _323506)
   Exit: (184) [system] get_char((0x563acd73bee0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x563acd73bee0), _305638)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _329076)
   Exit: (186) [system] peek_char((0x563acd73bee0), s)
   Call: (186) [system] s=(;)
   Fail: (186) [system] s=(;)
   Call: (186) [system] s=(/)
   Fail: (186) [system] s=(/)
^  Call: (186) [user] is_like_space(s)
   Call: (187) [system] char_type(s, 'white')
   Fail: (187) [system] char_type(s, 'white')
   Call: (187) [system] char_type(s, end_of_line)
   Fail: (187) [system] char_type(s, end_of_line)
   Call: (187) [system] char_type(s, space)
   Fail: (187) [system] char_type(s, space)
   Call: (187) [system] char_type(s, cntrl)
   Fail: (187) [system] char_type(s, cntrl)
^  Fail: (186) [user] is_like_space(s)
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _345086)
   Exit: (185) [system] peek_char((0x563acd73bee0), s)
   Call: (185) [system] s=')'
   Fail: (185) [system] s=')'
   Call: (185) [system] s=end_of_file
   Fail: (185) [system] s=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x563acd73bee0), _350656)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _352514)
   Exit: (187) [system] peek_char((0x563acd73bee0), s)
   Call: (187) [system] s=(;)
   Fail: (187) [system] s=(;)
   Call: (187) [system] s=(/)
   Fail: (187) [system] s=(/)
^  Call: (187) [user] is_like_space(s)
   Call: (188) [system] char_type(s, 'white')
   Fail: (188) [system] char_type(s, 'white')
   Call: (188) [system] char_type(s, end_of_line)
   Fail: (188) [system] char_type(s, end_of_line)
   Call: (188) [system] char_type(s, space)
   Fail: (188) [system] char_type(s, space)
   Call: (188) [system] char_type(s, cntrl)
   Fail: (188) [system] char_type(s, cntrl)
^  Fail: (187) [user] is_like_space(s)
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] get_char((0x563acd73bee0), _368524)
   Exit: (186) [system] get_char((0x563acd73bee0), s)
   Call: (186) [system] s='('
   Fail: (186) [system] s='('
   Call: (186) [system] s='['
   Fail: (186) [system] s='['
   Call: (186) [system] s='{'
   Fail: (186) [system] s='{'
   Call: (186) [system] s='"'
   Fail: (186) [system] s='"'
   Call: (186) [system] s=!
   Fail: (186) [system] s=!
   Call: (186) [system] s='\''
   Fail: (186) [system] s='\''
   Call: (186) [system] s='`'
   Fail: (186) [system] s='`'
   Call: (186) [system] s=end_of_file
   Fail: (186) [system] s=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x563acd73bee0), s, _350656)
^  Call: (187) [user] read_symbolic_cont(')', (0x563acd73bee0), _386166)
   Call: (188) [system] peek_char((0x563acd73bee0), _387100)
   Exit: (188) [system] peek_char((0x563acd73bee0), y)
^  Call: (188) [user] is_delimiter(y)
   Call: (189) [system] char_type(y, space)
   Fail: (189) [system] char_type(y, space)
   Call: (189) [system] arg(_391820, v('(', ')', end_of_file), y)
   Fail: (189) [system] arg(_392752, v('(', ')', end_of_file), y)
^  Fail: (188) [user] is_delimiter(y)
   Call: (188) [system] ')'==y
   Fail: (188) [system] ')'==y
   Call: (188) [system] get_char((0x563acd73bee0), y)
   Exit: (188) [system] get_char((0x563acd73bee0), y)
   Call: (188) [system] y=(\)
   Fail: (188) [system] y=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), _400102)
   Call: (189) [system] peek_char((0x563acd73bee0), _401036)
   Exit: (189) [system] peek_char((0x563acd73bee0), n)
^  Call: (189) [user] is_delimiter(n)
   Call: (190) [system] char_type(n, space)
   Fail: (190) [system] char_type(n, space)
   Call: (190) [system] arg(_405756, v('(', ')', end_of_file), n)
   Fail: (190) [system] arg(_406688, v('(', ')', end_of_file), n)
^  Fail: (189) [user] is_delimiter(n)
   Call: (189) [system] ')'==n
   Fail: (189) [system] ')'==n
   Call: (189) [system] get_char((0x563acd73bee0), n)
   Exit: (189) [system] get_char((0x563acd73bee0), n)
   Call: (189) [system] n=(\)
   Fail: (189) [system] n=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), _414038)
   Call: (190) [system] peek_char((0x563acd73bee0), _414972)
   Exit: (190) [system] peek_char((0x563acd73bee0), t)
^  Call: (190) [user] is_delimiter(t)
   Call: (191) [system] char_type(t, space)
   Fail: (191) [system] char_type(t, space)
   Call: (191) [system] arg(_419692, v('(', ')', end_of_file), t)
   Fail: (191) [system] arg(_420624, v('(', ')', end_of_file), t)
^  Fail: (190) [user] is_delimiter(t)
   Call: (190) [system] ')'==t
   Fail: (190) [system] ')'==t
   Call: (190) [system] get_char((0x563acd73bee0), t)
   Exit: (190) [system] get_char((0x563acd73bee0), t)
   Call: (190) [system] t=(\)
   Fail: (190) [system] t=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), _427974)
   Call: (191) [system] peek_char((0x563acd73bee0), _428908)
   Exit: (191) [system] peek_char((0x563acd73bee0), h)
^  Call: (191) [user] is_delimiter(h)
   Call: (192) [system] char_type(h, space)
   Fail: (192) [system] char_type(h, space)
   Call: (192) [system] arg(_433628, v('(', ')', end_of_file), h)
   Fail: (192) [system] arg(_434560, v('(', ')', end_of_file), h)
^  Fail: (191) [user] is_delimiter(h)
   Call: (191) [system] ')'==h
   Fail: (191) [system] ')'==h
   Call: (191) [system] get_char((0x563acd73bee0), h)
   Exit: (191) [system] get_char((0x563acd73bee0), h)
   Call: (191) [system] h=(\)
   Fail: (191) [system] h=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), _441910)
   Call: (192) [system] peek_char((0x563acd73bee0), _442844)
   Exit: (192) [system] peek_char((0x563acd73bee0), e)
^  Call: (192) [user] is_delimiter(e)
   Call: (193) [system] char_type(e, space)
   Fail: (193) [system] char_type(e, space)
   Call: (193) [system] arg(_447564, v('(', ')', end_of_file), e)
   Fail: (193) [system] arg(_448496, v('(', ')', end_of_file), e)
^  Fail: (192) [user] is_delimiter(e)
   Call: (192) [system] ')'==e
   Fail: (192) [system] ')'==e
   Call: (192) [system] get_char((0x563acd73bee0), e)
   Exit: (192) [system] get_char((0x563acd73bee0), e)
   Call: (192) [system] e=(\)
   Fail: (192) [system] e=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), _455846)
   Call: (193) [system] peek_char((0x563acd73bee0), _456780)
   Exit: (193) [system] peek_char((0x563acd73bee0), s)
^  Call: (193) [user] is_delimiter(s)
   Call: (194) [system] char_type(s, space)
   Fail: (194) [system] char_type(s, space)
   Call: (194) [system] arg(_461500, v('(', ')', end_of_file), s)
   Fail: (194) [system] arg(_462432, v('(', ')', end_of_file), s)
^  Fail: (193) [user] is_delimiter(s)
   Call: (193) [system] ')'==s
   Fail: (193) [system] ')'==s
   Call: (193) [system] get_char((0x563acd73bee0), s)
   Exit: (193) [system] get_char((0x563acd73bee0), s)
   Call: (193) [system] s=(\)
   Fail: (193) [system] s=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _469782)
   Call: (194) [system] peek_char((0x563acd73bee0), _470716)
   Exit: (194) [system] peek_char((0x563acd73bee0), i)
^  Call: (194) [user] is_delimiter(i)
   Call: (195) [system] char_type(i, space)
   Fail: (195) [system] char_type(i, space)
   Call: (195) [system] arg(_475436, v('(', ')', end_of_file), i)
   Fail: (195) [system] arg(_476368, v('(', ')', end_of_file), i)
^  Fail: (194) [user] is_delimiter(i)
   Call: (194) [system] ')'==i
   Fail: (194) [system] ')'==i
   Call: (194) [system] get_char((0x563acd73bee0), i)
   Exit: (194) [system] get_char((0x563acd73bee0), i)
   Call: (194) [system] i=(\)
   Fail: (194) [system] i=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _483718)
   Call: (195) [system] peek_char((0x563acd73bee0), _484652)
   Exit: (195) [system] peek_char((0x563acd73bee0), z)
^  Call: (195) [user] is_delimiter(z)
   Call: (196) [system] char_type(z, space)
   Fail: (196) [system] char_type(z, space)
   Call: (196) [system] arg(_489372, v('(', ')', end_of_file), z)
   Fail: (196) [system] arg(_490304, v('(', ')', end_of_file), z)
^  Fail: (195) [user] is_delimiter(z)
   Call: (195) [system] ')'==z
   Fail: (195) [system] ')'==z
   Call: (195) [system] get_char((0x563acd73bee0), z)
   Exit: (195) [system] get_char((0x563acd73bee0), z)
   Call: (195) [system] z=(\)
   Fail: (195) [system] z=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _497654)
   Call: (196) [system] peek_char((0x563acd73bee0), _498588)
   Exit: (196) [system] peek_char((0x563acd73bee0), e)
^  Call: (196) [user] is_delimiter(e)
   Call: (197) [system] char_type(e, space)
   Fail: (197) [system] char_type(e, space)
   Call: (197) [system] arg(_503308, v('(', ')', end_of_file), e)
   Fail: (197) [system] arg(_504240, v('(', ')', end_of_file), e)
^  Fail: (196) [user] is_delimiter(e)
   Call: (196) [system] ')'==e
   Fail: (196) [system] ')'==e
   Call: (196) [system] get_char((0x563acd73bee0), e)
   Exit: (196) [system] get_char((0x563acd73bee0), e)
   Call: (196) [system] e=(\)
   Fail: (196) [system] e=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _511590)
   Call: (197) [system] peek_char((0x563acd73bee0), _512524)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _511590=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (196) [system] _497654=[e]
   Exit: (196) [system] [e]=[e]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [e])
   Call: (195) [system] _483718=[z, e]
   Exit: (195) [system] [z, e]=[z, e]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [z, e])
   Call: (194) [system] _469782=[i, z, e]
   Exit: (194) [system] [i, z, e]=[i, z, e]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, z, e])
   Call: (193) [system] _455846=[s, i, z, e]
   Exit: (193) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, i, z, e])
   Call: (192) [system] _441910=[e, s, i, z, e]
   Exit: (192) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, s, i, z, e])
   Call: (191) [system] _427974=[h, e, s, i, z, e]
   Exit: (191) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), [h, e, s, i, z, e])
   Call: (190) [system] _414038=[t, h, e, s, i, z, e]
   Exit: (190) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, h, e, s, i, z, e])
   Call: (189) [system] _400102=[n, t, h, e, s, i, z, e]
   Exit: (189) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, h, e, s, i, z, e])
   Call: (188) [system] _386166=[y, n, t, h, e, s, i, z, e]
   Exit: (188) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (187) [user] read_symbolic_cont(')', (0x563acd73bee0), [y, n, t, h, e, s, i, z, e])
^  Call: (187) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _350656)
^  Call: (188) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _546954)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_547906, _547908), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _546954), _547888, fail)), '$restore_trace'(_547906, _547908))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_547906, _547908))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _547888, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(synthesize)
   Exit: (189) [system] atomic(synthesize)
^  Exit: (188) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (188) [system] integer(synthesize)
   Fail: (188) [system] integer(synthesize)
   Call: (188) [system] _350656=synthesize
   Exit: (188) [system] synthesize=synthesize
^  Exit: (187) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (186) [user] read_symbolic(')', (0x563acd73bee0), s, synthesize)
^  Exit: (185) [user] cont_sexpr(')', (0x563acd73bee0), synthesize)
^  Call: (185) [user] read_list(')', (0x563acd73bee0), _560034)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _561892)
   Exit: (187) [system] peek_char((0x563acd73bee0), ' ')
   Call: (187) [system] ' '=(;)
   Fail: (187) [system] ' '=(;)
   Call: (187) [system] ' '=(/)
   Fail: (187) [system] ' '=(/)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x563acd73bee0), _571486)
   Exit: (187) [system] get_char((0x563acd73bee0), ' ')
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _574190)
   Exit: (188) [system] peek_char((0x563acd73bee0), $)
   Call: (188) [system] ($)=(;)
   Fail: (188) [system] ($)=(;)
   Call: (188) [system] ($)=(/)
   Fail: (188) [system] ($)=(/)
^  Call: (188) [user] is_like_space($)
   Call: (189) [system] char_type($, 'white')
   Fail: (189) [system] char_type($, 'white')
   Call: (189) [system] char_type($, end_of_line)
   Fail: (189) [system] char_type($, end_of_line)
   Call: (189) [system] char_type($, space)
   Fail: (189) [system] char_type($, space)
   Call: (189) [system] char_type($, cntrl)
   Fail: (189) [system] char_type($, cntrl)
^  Fail: (188) [user] is_like_space($)
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _591124)
   Exit: (186) [system] peek_char((0x563acd73bee0), $)
   Call: (186) [system] ($)=')'
   Fail: (186) [system] ($)=')'
   Call: (186) [system] ($)=end_of_file
   Fail: (186) [system] ($)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x563acd73bee0), _596694)
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _598552)
   Exit: (188) [system] peek_char((0x563acd73bee0), $)
   Call: (188) [system] ($)=(;)
   Fail: (188) [system] ($)=(;)
   Call: (188) [system] ($)=(/)
   Fail: (188) [system] ($)=(/)
^  Call: (188) [user] is_like_space($)
   Call: (189) [system] char_type($, 'white')
   Fail: (189) [system] char_type($, 'white')
   Call: (189) [system] char_type($, end_of_line)
   Fail: (189) [system] char_type($, end_of_line)
   Call: (189) [system] char_type($, space)
   Fail: (189) [system] char_type($, space)
   Call: (189) [system] char_type($, cntrl)
   Fail: (189) [system] char_type($, cntrl)
^  Fail: (188) [user] is_like_space($)
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] get_char((0x563acd73bee0), _614562)
   Exit: (187) [system] get_char((0x563acd73bee0), $)
   Call: (187) [system] ($)='('
   Fail: (187) [system] ($)='('
   Call: (187) [system] ($)='['
   Fail: (187) [system] ($)='['
   Call: (187) [system] ($)='{'
   Fail: (187) [system] ($)='{'
   Call: (187) [system] ($)='"'
   Fail: (187) [system] ($)='"'
   Call: (187) [system] ($)=!
   Fail: (187) [system] ($)=!
   Call: (187) [system] ($)='\''
   Fail: (187) [system] ($)='\''
   Call: (187) [system] ($)='`'
   Fail: (187) [system] ($)='`'
   Call: (187) [system] ($)=end_of_file
   Fail: (187) [system] ($)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x563acd73bee0), $, _596694)
^  Call: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), _632204)
   Call: (189) [system] peek_char((0x563acd73bee0), _633138)
   Exit: (189) [system] peek_char((0x563acd73bee0), q)
^  Call: (189) [user] is_delimiter(q)
   Call: (190) [system] char_type(q, space)
   Fail: (190) [system] char_type(q, space)
   Call: (190) [system] arg(_637858, v('(', ')', end_of_file), q)
   Fail: (190) [system] arg(_638790, v('(', ')', end_of_file), q)
^  Fail: (189) [user] is_delimiter(q)
   Call: (189) [system] ')'==q
   Fail: (189) [system] ')'==q
   Call: (189) [system] get_char((0x563acd73bee0), q)
   Exit: (189) [system] get_char((0x563acd73bee0), q)
   Call: (189) [system] q=(\)
   Fail: (189) [system] q=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), _646140)
   Call: (190) [system] peek_char((0x563acd73bee0), _647074)
   Exit: (190) [system] peek_char((0x563acd73bee0), u)
^  Call: (190) [user] is_delimiter(u)
   Call: (191) [system] char_type(u, space)
   Fail: (191) [system] char_type(u, space)
   Call: (191) [system] arg(_651794, v('(', ')', end_of_file), u)
   Fail: (191) [system] arg(_652726, v('(', ')', end_of_file), u)
^  Fail: (190) [user] is_delimiter(u)
   Call: (190) [system] ')'==u
   Fail: (190) [system] ')'==u
   Call: (190) [system] get_char((0x563acd73bee0), u)
   Exit: (190) [system] get_char((0x563acd73bee0), u)
   Call: (190) [system] u=(\)
   Fail: (190) [system] u=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), _660076)
   Call: (191) [system] peek_char((0x563acd73bee0), _661010)
   Exit: (191) [system] peek_char((0x563acd73bee0), e)
^  Call: (191) [user] is_delimiter(e)
   Call: (192) [system] char_type(e, space)
   Fail: (192) [system] char_type(e, space)
   Call: (192) [system] arg(_665730, v('(', ')', end_of_file), e)
   Fail: (192) [system] arg(_666662, v('(', ')', end_of_file), e)
^  Fail: (191) [user] is_delimiter(e)
   Call: (191) [system] ')'==e
   Fail: (191) [system] ')'==e
   Call: (191) [system] get_char((0x563acd73bee0), e)
   Exit: (191) [system] get_char((0x563acd73bee0), e)
   Call: (191) [system] e=(\)
   Fail: (191) [system] e=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), _674012)
   Call: (192) [system] peek_char((0x563acd73bee0), _674946)
   Exit: (192) [system] peek_char((0x563acd73bee0), r)
^  Call: (192) [user] is_delimiter(r)
   Call: (193) [system] char_type(r, space)
   Fail: (193) [system] char_type(r, space)
   Call: (193) [system] arg(_679666, v('(', ')', end_of_file), r)
   Fail: (193) [system] arg(_680598, v('(', ')', end_of_file), r)
^  Fail: (192) [user] is_delimiter(r)
   Call: (192) [system] ')'==r
   Fail: (192) [system] ')'==r
   Call: (192) [system] get_char((0x563acd73bee0), r)
   Exit: (192) [system] get_char((0x563acd73bee0), r)
   Call: (192) [system] r=(\)
   Fail: (192) [system] r=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), _687948)
   Call: (193) [system] peek_char((0x563acd73bee0), _688882)
   Exit: (193) [system] peek_char((0x563acd73bee0), y)
^  Call: (193) [user] is_delimiter(y)
   Call: (194) [system] char_type(y, space)
   Fail: (194) [system] char_type(y, space)
   Call: (194) [system] arg(_693602, v('(', ')', end_of_file), y)
   Fail: (194) [system] arg(_694534, v('(', ')', end_of_file), y)
^  Fail: (193) [user] is_delimiter(y)
   Call: (193) [system] ')'==y
   Fail: (193) [system] ')'==y
   Call: (193) [system] get_char((0x563acd73bee0), y)
   Exit: (193) [system] get_char((0x563acd73bee0), y)
   Call: (193) [system] y=(\)
   Fail: (193) [system] y=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _701884)
   Call: (194) [system] peek_char((0x563acd73bee0), _702818)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _701884=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (193) [system] _687948=[y]
   Exit: (193) [system] [y]=[y]
^  Exit: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), [y])
   Call: (192) [system] _674012=[r, y]
   Exit: (192) [system] [r, y]=[r, y]
^  Exit: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, y])
   Call: (191) [system] _660076=[e, r, y]
   Exit: (191) [system] [e, r, y]=[e, r, y]
^  Exit: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, r, y])
   Call: (190) [system] _646140=[u, e, r, y]
   Exit: (190) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, e, r, y])
   Call: (189) [system] _632204=[q, u, e, r, y]
   Exit: (189) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), [q, u, e, r, y])
^  Call: (188) [user] classify_and_convert_charseq([$, q, u, e, r, y], _596694)
^  Call: (189) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _726072)
   Call: (190) [system] atom_chars(_727004, ['_', q, u, e, r, y])
   Exit: (190) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (189) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _query)
   Call: (189) [system] integer(_query)
   Fail: (189) [system] integer(_query)
   Call: (189) [system] _596694=_query
   Exit: (189) [system] _query=_query
^  Exit: (188) [user] classify_and_convert_charseq([$, q, u, e, r, y], _query)
^  Exit: (187) [user] read_symbolic(')', (0x563acd73bee0), $, _query)
^  Exit: (186) [user] cont_sexpr(')', (0x563acd73bee0), _query)
^  Call: (186) [user] read_list(')', (0x563acd73bee0), _736296)
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _738154)
   Exit: (188) [system] peek_char((0x563acd73bee0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x563acd73bee0), _747748)
   Exit: (188) [system] get_char((0x563acd73bee0), ' ')
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _750452)
   Exit: (189) [system] peek_char((0x563acd73bee0), $)
   Call: (189) [system] ($)=(;)
   Fail: (189) [system] ($)=(;)
   Call: (189) [system] ($)=(/)
   Fail: (189) [system] ($)=(/)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Fail: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Fail: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Fail: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
   Fail: (190) [system] char_type($, cntrl)
^  Fail: (189) [user] is_like_space($)
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _767386)
   Exit: (187) [system] peek_char((0x563acd73bee0), $)
   Call: (187) [system] ($)=')'
   Fail: (187) [system] ($)=')'
   Call: (187) [system] ($)=end_of_file
   Fail: (187) [system] ($)=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x563acd73bee0), _772956)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _774814)
   Exit: (189) [system] peek_char((0x563acd73bee0), $)
   Call: (189) [system] ($)=(;)
   Fail: (189) [system] ($)=(;)
   Call: (189) [system] ($)=(/)
   Fail: (189) [system] ($)=(/)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Fail: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Fail: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Fail: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
   Fail: (190) [system] char_type($, cntrl)
^  Fail: (189) [user] is_like_space($)
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] get_char((0x563acd73bee0), _790824)
   Exit: (188) [system] get_char((0x563acd73bee0), $)
   Call: (188) [system] ($)='('
   Fail: (188) [system] ($)='('
   Call: (188) [system] ($)='['
   Fail: (188) [system] ($)='['
   Call: (188) [system] ($)='{'
   Fail: (188) [system] ($)='{'
   Call: (188) [system] ($)='"'
   Fail: (188) [system] ($)='"'
   Call: (188) [system] ($)=!
   Fail: (188) [system] ($)=!
   Call: (188) [system] ($)='\''
   Fail: (188) [system] ($)='\''
   Call: (188) [system] ($)='`'
   Fail: (188) [system] ($)='`'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x563acd73bee0), $, _772956)
^  Call: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), _808466)
   Call: (190) [system] peek_char((0x563acd73bee0), _809400)
   Exit: (190) [system] peek_char((0x563acd73bee0), k)
^  Call: (190) [user] is_delimiter(k)
   Call: (191) [system] char_type(k, space)
   Fail: (191) [system] char_type(k, space)
   Call: (191) [system] arg(_814120, v('(', ')', end_of_file), k)
   Fail: (191) [system] arg(_815052, v('(', ')', end_of_file), k)
^  Fail: (190) [user] is_delimiter(k)
   Call: (190) [system] ')'==k
   Fail: (190) [system] ')'==k
   Call: (190) [system] get_char((0x563acd73bee0), k)
   Exit: (190) [system] get_char((0x563acd73bee0), k)
   Call: (190) [system] k=(\)
   Fail: (190) [system] k=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), _822402)
   Call: (191) [system] peek_char((0x563acd73bee0), _823336)
   Exit: (191) [system] peek_char((0x563acd73bee0), b)
^  Call: (191) [user] is_delimiter(b)
   Call: (192) [system] char_type(b, space)
   Fail: (192) [system] char_type(b, space)
   Call: (192) [system] arg(_828056, v('(', ')', end_of_file), b)
   Fail: (192) [system] arg(_828988, v('(', ')', end_of_file), b)
^  Fail: (191) [user] is_delimiter(b)
   Call: (191) [system] ')'==b
   Fail: (191) [system] ')'==b
   Call: (191) [system] get_char((0x563acd73bee0), b)
   Exit: (191) [system] get_char((0x563acd73bee0), b)
   Call: (191) [system] b=(\)
   Fail: (191) [system] b=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), _836338)
   Call: (192) [system] peek_char((0x563acd73bee0), _837272)
   Exit: (192) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _836338=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (191) [system] _822402=[b]
   Exit: (191) [system] [b]=[b]
^  Exit: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
   Call: (190) [system] _808466=[k, b]
   Exit: (190) [system] [k, b]=[k, b]
^  Exit: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), [k, b])
^  Call: (189) [user] classify_and_convert_charseq([$, k, b], _772956)
^  Call: (190) [user] classify_and_convert_charseq_([$, k, b], _852144)
   Call: (191) [system] atom_chars(_853076, ['_', k, b])
   Exit: (191) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (190) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (190) [system] integer(_kb)
   Fail: (190) [system] integer(_kb)
   Call: (190) [system] _772956=_kb
   Exit: (190) [system] _kb=_kb
^  Exit: (189) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (188) [user] read_symbolic(')', (0x563acd73bee0), $, _kb)
^  Exit: (187) [user] cont_sexpr(')', (0x563acd73bee0), _kb)
^  Call: (187) [user] read_list(')', (0x563acd73bee0), _862368)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _864226)
   Exit: (189) [system] peek_char((0x563acd73bee0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x563acd73bee0), _873820)
   Exit: (189) [system] get_char((0x563acd73bee0), ' ')
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _876524)
   Exit: (190) [system] peek_char((0x563acd73bee0), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
   Call: (190) [system] ($)=(/)
   Fail: (190) [system] ($)=(/)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _893458)
   Exit: (188) [system] peek_char((0x563acd73bee0), $)
   Call: (188) [system] ($)=')'
   Fail: (188) [system] ($)=')'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x563acd73bee0), _899028)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _900886)
   Exit: (190) [system] peek_char((0x563acd73bee0), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
   Call: (190) [system] ($)=(/)
   Fail: (190) [system] ($)=(/)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] get_char((0x563acd73bee0), _916896)
   Exit: (189) [system] get_char((0x563acd73bee0), $)
   Call: (189) [system] ($)='('
   Fail: (189) [system] ($)='('
   Call: (189) [system] ($)='['
   Fail: (189) [system] ($)='['
   Call: (189) [system] ($)='{'
   Fail: (189) [system] ($)='{'
   Call: (189) [system] ($)='"'
   Fail: (189) [system] ($)='"'
   Call: (189) [system] ($)=!
   Fail: (189) [system] ($)=!
   Call: (189) [system] ($)='\''
   Fail: (189) [system] ($)='\''
   Call: (189) [system] ($)='`'
   Fail: (189) [system] ($)='`'
   Call: (189) [system] ($)=end_of_file
   Fail: (189) [system] ($)=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x563acd73bee0), $, _899028)
^  Call: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), _934538)
   Call: (191) [system] peek_char((0x563acd73bee0), _935472)
   Exit: (191) [system] peek_char((0x563acd73bee0), r)
^  Call: (191) [user] is_delimiter(r)
   Call: (192) [system] char_type(r, space)
   Fail: (192) [system] char_type(r, space)
   Call: (192) [system] arg(_940192, v('(', ')', end_of_file), r)
   Fail: (192) [system] arg(_941124, v('(', ')', end_of_file), r)
^  Fail: (191) [user] is_delimiter(r)
   Call: (191) [system] ')'==r
   Fail: (191) [system] ')'==r
   Call: (191) [system] get_char((0x563acd73bee0), r)
   Exit: (191) [system] get_char((0x563acd73bee0), r)
   Call: (191) [system] r=(\)
   Fail: (191) [system] r=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), _948474)
   Call: (192) [system] peek_char((0x563acd73bee0), _949408)
   Exit: (192) [system] peek_char((0x563acd73bee0), b)
^  Call: (192) [user] is_delimiter(b)
   Call: (193) [system] char_type(b, space)
   Fail: (193) [system] char_type(b, space)
   Call: (193) [system] arg(_954128, v('(', ')', end_of_file), b)
   Fail: (193) [system] arg(_955060, v('(', ')', end_of_file), b)
^  Fail: (192) [user] is_delimiter(b)
   Call: (192) [system] ')'==b
   Fail: (192) [system] ')'==b
   Call: (192) [system] get_char((0x563acd73bee0), b)
   Exit: (192) [system] get_char((0x563acd73bee0), b)
   Call: (192) [system] b=(\)
   Fail: (192) [system] b=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), _962410)
   Call: (193) [system] peek_char((0x563acd73bee0), _963344)
   Exit: (193) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (193) [user] is_delimiter(' ')
   Call: (194) [system] char_type(' ', space)
   Exit: (194) [system] char_type(' ', space)
^  Exit: (193) [user] is_delimiter(' ')
   Call: (193) [system] _962410=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (192) [system] _948474=[b]
   Exit: (192) [system] [b]=[b]
^  Exit: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
   Call: (191) [system] _934538=[r, b]
   Exit: (191) [system] [r, b]=[r, b]
^  Exit: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, b])
^  Call: (190) [user] classify_and_convert_charseq([$, r, b], _899028)
^  Call: (191) [user] classify_and_convert_charseq_([$, r, b], _978216)
   Call: (192) [system] atom_chars(_979148, ['_', r, b])
   Exit: (192) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (191) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (191) [system] integer(_rb)
   Fail: (191) [system] integer(_rb)
   Call: (191) [system] _899028=_rb
   Exit: (191) [system] _rb=_rb
^  Exit: (190) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (189) [user] read_symbolic(')', (0x563acd73bee0), $, _rb)
^  Exit: (188) [user] cont_sexpr(')', (0x563acd73bee0), _rb)
^  Call: (188) [user] read_list(')', (0x563acd73bee0), _988440)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _990298)
   Exit: (190) [system] peek_char((0x563acd73bee0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x563acd73bee0), _999892)
   Exit: (190) [system] get_char((0x563acd73bee0), ' ')
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _1002596)
   Exit: (191) [system] peek_char((0x563acd73bee0), $)
   Call: (191) [system] ($)=(;)
   Fail: (191) [system] ($)=(;)
   Call: (191) [system] ($)=(/)
   Fail: (191) [system] ($)=(/)
^  Call: (191) [user] is_like_space($)
   Call: (192) [system] char_type($, 'white')
   Fail: (192) [system] char_type($, 'white')
   Call: (192) [system] char_type($, end_of_line)
   Fail: (192) [system] char_type($, end_of_line)
   Call: (192) [system] char_type($, space)
   Fail: (192) [system] char_type($, space)
   Call: (192) [system] char_type($, cntrl)
   Fail: (192) [system] char_type($, cntrl)
^  Fail: (191) [user] is_like_space($)
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1019530)
   Exit: (189) [system] peek_char((0x563acd73bee0), $)
   Call: (189) [system] ($)=')'
   Fail: (189) [system] ($)=')'
   Call: (189) [system] ($)=end_of_file
   Fail: (189) [system] ($)=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x563acd73bee0), _1025100)
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _1026958)
   Exit: (191) [system] peek_char((0x563acd73bee0), $)
   Call: (191) [system] ($)=(;)
   Fail: (191) [system] ($)=(;)
   Call: (191) [system] ($)=(/)
   Fail: (191) [system] ($)=(/)
^  Call: (191) [user] is_like_space($)
   Call: (192) [system] char_type($, 'white')
   Fail: (192) [system] char_type($, 'white')
   Call: (192) [system] char_type($, end_of_line)
   Fail: (192) [system] char_type($, end_of_line)
   Call: (192) [system] char_type($, space)
   Fail: (192) [system] char_type($, space)
   Call: (192) [system] char_type($, cntrl)
   Fail: (192) [system] char_type($, cntrl)
^  Fail: (191) [user] is_like_space($)
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] get_char((0x563acd73bee0), _1042968)
   Exit: (190) [system] get_char((0x563acd73bee0), $)
   Call: (190) [system] ($)='('
   Fail: (190) [system] ($)='('
   Call: (190) [system] ($)='['
   Fail: (190) [system] ($)='['
   Call: (190) [system] ($)='{'
   Fail: (190) [system] ($)='{'
   Call: (190) [system] ($)='"'
   Fail: (190) [system] ($)='"'
   Call: (190) [system] ($)=!
   Fail: (190) [system] ($)=!
   Call: (190) [system] ($)='\''
   Fail: (190) [system] ($)='\''
   Call: (190) [system] ($)='`'
   Fail: (190) [system] ($)='`'
   Call: (190) [system] ($)=end_of_file
   Fail: (190) [system] ($)=end_of_file
^  Call: (190) [user] read_symbolic(')', (0x563acd73bee0), $, _1025100)
^  Call: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), _1060610)
   Call: (192) [system] peek_char((0x563acd73bee0), _1061544)
   Exit: (192) [system] peek_char((0x563acd73bee0), d)
^  Call: (192) [user] is_delimiter(d)
   Call: (193) [system] char_type(d, space)
   Fail: (193) [system] char_type(d, space)
   Call: (193) [system] arg(_1066264, v('(', ')', end_of_file), d)
   Fail: (193) [system] arg(_1067196, v('(', ')', end_of_file), d)
^  Fail: (192) [user] is_delimiter(d)
   Call: (192) [system] ')'==d
   Fail: (192) [system] ')'==d
   Call: (192) [system] get_char((0x563acd73bee0), d)
   Exit: (192) [system] get_char((0x563acd73bee0), d)
   Call: (192) [system] d=(\)
   Fail: (192) [system] d=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), _1074546)
   Call: (193) [system] peek_char((0x563acd73bee0), _1075480)
   Exit: (193) [system] peek_char((0x563acd73bee0), e)
^  Call: (193) [user] is_delimiter(e)
   Call: (194) [system] char_type(e, space)
   Fail: (194) [system] char_type(e, space)
   Call: (194) [system] arg(_1080200, v('(', ')', end_of_file), e)
   Fail: (194) [system] arg(_1081132, v('(', ')', end_of_file), e)
^  Fail: (193) [user] is_delimiter(e)
   Call: (193) [system] ')'==e
   Fail: (193) [system] ')'==e
   Call: (193) [system] get_char((0x563acd73bee0), e)
   Exit: (193) [system] get_char((0x563acd73bee0), e)
   Call: (193) [system] e=(\)
   Fail: (193) [system] e=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _1088482)
   Call: (194) [system] peek_char((0x563acd73bee0), _1089416)
   Exit: (194) [system] peek_char((0x563acd73bee0), p)
^  Call: (194) [user] is_delimiter(p)
   Call: (195) [system] char_type(p, space)
   Fail: (195) [system] char_type(p, space)
   Call: (195) [system] arg(_1094136, v('(', ')', end_of_file), p)
   Fail: (195) [system] arg(_1095068, v('(', ')', end_of_file), p)
^  Fail: (194) [user] is_delimiter(p)
   Call: (194) [system] ')'==p
   Fail: (194) [system] ')'==p
   Call: (194) [system] get_char((0x563acd73bee0), p)
   Exit: (194) [system] get_char((0x563acd73bee0), p)
   Call: (194) [system] p=(\)
   Fail: (194) [system] p=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _1102418)
   Call: (195) [system] peek_char((0x563acd73bee0), _1103352)
   Exit: (195) [system] peek_char((0x563acd73bee0), t)
^  Call: (195) [user] is_delimiter(t)
   Call: (196) [system] char_type(t, space)
   Fail: (196) [system] char_type(t, space)
   Call: (196) [system] arg(_1108072, v('(', ')', end_of_file), t)
   Fail: (196) [system] arg(_1109004, v('(', ')', end_of_file), t)
^  Fail: (195) [user] is_delimiter(t)
   Call: (195) [system] ')'==t
   Fail: (195) [system] ')'==t
   Call: (195) [system] get_char((0x563acd73bee0), t)
   Exit: (195) [system] get_char((0x563acd73bee0), t)
   Call: (195) [system] t=(\)
   Fail: (195) [system] t=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _1116354)
   Call: (196) [system] peek_char((0x563acd73bee0), _1117288)
   Exit: (196) [system] peek_char((0x563acd73bee0), h)
^  Call: (196) [user] is_delimiter(h)
   Call: (197) [system] char_type(h, space)
   Fail: (197) [system] char_type(h, space)
   Call: (197) [system] arg(_1122008, v('(', ')', end_of_file), h)
   Fail: (197) [system] arg(_1122940, v('(', ')', end_of_file), h)
^  Fail: (196) [user] is_delimiter(h)
   Call: (196) [system] ')'==h
   Fail: (196) [system] ')'==h
   Call: (196) [system] get_char((0x563acd73bee0), h)
   Exit: (196) [system] get_char((0x563acd73bee0), h)
   Call: (196) [system] h=(\)
   Fail: (196) [system] h=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _1130290)
   Call: (197) [system] peek_char((0x563acd73bee0), _1131224)
   Exit: (197) [system] peek_char((0x563acd73bee0), ')')
^  Call: (197) [user] is_delimiter(')')
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] arg(_1135944, v('(', ')', end_of_file), ')')
   Exit: (198) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (197) [user] is_delimiter(')')
   Call: (197) [system] _1130290=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (196) [system] _1116354=[h]
   Exit: (196) [system] [h]=[h]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [h])
   Call: (195) [system] _1102418=[t, h]
   Exit: (195) [system] [t, h]=[t, h]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, h])
   Call: (194) [system] _1088482=[p, t, h]
   Exit: (194) [system] [p, t, h]=[p, t, h]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, t, h])
   Call: (193) [system] _1074546=[e, p, t, h]
   Exit: (193) [system] [e, p, t, h]=[e, p, t, h]
^  Exit: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, p, t, h])
   Call: (192) [system] _1060610=[d, e, p, t, h]
   Exit: (192) [system] [d, e, p, t, h]=[d, e, p, t, h]
^  Exit: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, e, p, t, h])
^  Call: (191) [user] classify_and_convert_charseq([$, d, e, p, t, h], _1025100)
^  Call: (192) [user] classify_and_convert_charseq_([$, d, e, p, t, h], _1156350)
   Call: (193) [system] atom_chars(_1157282, ['_', d, e, p, t, h])
   Exit: (193) [system] atom_chars('_depth', ['_', d, e, p, t, h])
^  Exit: (192) [user] classify_and_convert_charseq_([$, d, e, p, t, h], _depth)
   Call: (192) [system] integer(_depth)
   Fail: (192) [system] integer(_depth)
   Call: (192) [system] _1025100=_depth
   Exit: (192) [system] _depth=_depth
^  Exit: (191) [user] classify_and_convert_charseq([$, d, e, p, t, h], _depth)
^  Exit: (190) [user] read_symbolic(')', (0x563acd73bee0), $, _depth)
^  Exit: (189) [user] cont_sexpr(')', (0x563acd73bee0), _depth)
^  Call: (189) [user] read_list(')', (0x563acd73bee0), _1166574)
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _1168432)
   Exit: (191) [system] peek_char((0x563acd73bee0), ')')
   Call: (191) [system] ')'=(;)
   Fail: (191) [system] ')'=(;)
   Call: (191) [system] ')'=(/)
   Fail: (191) [system] ')'=(/)
^  Call: (191) [user] is_like_space(')')
   Call: (192) [system] char_type(')', 'white')
   Fail: (192) [system] char_type(')', 'white')
   Call: (192) [system] char_type(')', end_of_line)
   Fail: (192) [system] char_type(')', end_of_line)
   Call: (192) [system] char_type(')', space)
   Fail: (192) [system] char_type(')', space)
   Call: (192) [system] char_type(')', cntrl)
   Fail: (192) [system] char_type(')', cntrl)
^  Fail: (191) [user] is_like_space(')')
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1184442)
   Exit: (190) [system] peek_char((0x563acd73bee0), ')')
   Call: (190) [system] ')'=')'
   Exit: (190) [system] ')'=')'
   Call: (190) [system] get_char((0x563acd73bee0), _1188232)
   Exit: (190) [system] get_char((0x563acd73bee0), ')')
   Call: (190) [system] _1166574=[]
   Exit: (190) [system] []=[]
^  Exit: (189) [user] read_list(')', (0x563acd73bee0), [])
   Call: (189) [system] _988440=[_depth]
   Exit: (189) [system] [_depth]=[_depth]
^  Exit: (188) [user] read_list(')', (0x563acd73bee0), [_depth])
   Call: (188) [system] _862368=[_rb, _depth]
   Exit: (188) [system] [_rb, _depth]=[_rb, _depth]
^  Exit: (187) [user] read_list(')', (0x563acd73bee0), [_rb, _depth])
   Call: (187) [system] _736296=[_kb, _rb, _depth]
   Exit: (187) [system] [_kb, _rb, _depth]=[_kb, _rb, _depth]
^  Exit: (186) [user] read_list(')', (0x563acd73bee0), [_kb, _rb, _depth])
   Call: (186) [system] _560034=[_query, _kb, _rb, _depth]
   Exit: (186) [system] [_query, _kb, _rb, _depth]=[_query, _kb, _rb, _depth]
^  Exit: (185) [user] read_list(')', (0x563acd73bee0), [_query, _kb, _rb, _depth])
   Call: (185) [system] _305638=[synthesize, _query, _kb, _rb, _depth]
   Exit: (185) [system] [synthesize, _query, _kb, _rb, _depth]=[synthesize, _query, _kb, _rb, _depth]
^  Exit: (184) [user] read_list(')', (0x563acd73bee0), [synthesize, _query, _kb, _rb, _depth])
^  Exit: (183) [user] cont_sexpr(')', (0x563acd73bee0), [synthesize, _query, _kb, _rb, _depth])
^  Call: (183) [user] read_list(')', (0x563acd73bee0), _1207702)
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _1209560)
   Exit: (185) [system] peek_char((0x563acd73bee0), '\n')
   Call: (185) [system] '\n'=(;)
   Fail: (185) [system] '\n'=(;)
   Call: (185) [system] '\n'=(/)
   Fail: (185) [system] '\n'=(/)
^  Call: (185) [user] is_like_space('\n')
   Call: (186) [system] char_type('\n', 'white')
   Fail: (186) [system] char_type('\n', 'white')
   Call: (186) [system] char_type('\n', end_of_line)
   Exit: (186) [system] char_type('\n', end_of_line)
^  Exit: (185) [user] is_like_space('\n')
   Call: (185) [system] get_char((0x563acd73bee0), _1221010)
   Exit: (185) [system] get_char((0x563acd73bee0), '\n')
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1223714)
   Exit: (186) [system] peek_char((0x563acd73bee0), ' ')
   Call: (186) [system] ' '=(;)
   Fail: (186) [system] ' '=(;)
   Call: (186) [system] ' '=(/)
   Fail: (186) [system] ' '=(/)
^  Call: (186) [user] is_like_space(' ')
   Call: (187) [system] char_type(' ', 'white')
   Exit: (187) [system] char_type(' ', 'white')
^  Exit: (186) [user] is_like_space(' ')
   Call: (186) [system] get_char((0x563acd73bee0), _1233308)
   Exit: (186) [system] get_char((0x563acd73bee0), ' ')
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _1236012)
   Exit: (187) [system] peek_char((0x563acd73bee0), ' ')
   Call: (187) [system] ' '=(;)
   Fail: (187) [system] ' '=(;)
   Call: (187) [system] ' '=(/)
   Fail: (187) [system] ' '=(/)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x563acd73bee0), _1245606)
   Exit: (187) [system] get_char((0x563acd73bee0), ' ')
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _1248310)
   Exit: (188) [system] peek_char((0x563acd73bee0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x563acd73bee0), _1257904)
   Exit: (188) [system] get_char((0x563acd73bee0), ' ')
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1260608)
   Exit: (189) [system] peek_char((0x563acd73bee0), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
   Call: (189) [system] '('=(/)
   Fail: (189) [system] '('=(/)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _1280314)
   Exit: (184) [system] peek_char((0x563acd73bee0), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x563acd73bee0), _1285884)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1287742)
   Exit: (186) [system] peek_char((0x563acd73bee0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] get_char((0x563acd73bee0), _1303752)
   Exit: (185) [system] get_char((0x563acd73bee0), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x563acd73bee0), _1285884)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _1309322)
   Exit: (187) [system] peek_char((0x563acd73bee0), l)
   Call: (187) [system] l=(;)
   Fail: (187) [system] l=(;)
   Call: (187) [system] l=(/)
   Fail: (187) [system] l=(/)
^  Call: (187) [user] is_like_space(l)
   Call: (188) [system] char_type(l, 'white')
   Fail: (188) [system] char_type(l, 'white')
   Call: (188) [system] char_type(l, end_of_line)
   Fail: (188) [system] char_type(l, end_of_line)
   Call: (188) [system] char_type(l, space)
   Fail: (188) [system] char_type(l, space)
   Call: (188) [system] char_type(l, cntrl)
   Fail: (188) [system] char_type(l, cntrl)
^  Fail: (187) [user] is_like_space(l)
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1325332)
   Exit: (186) [system] peek_char((0x563acd73bee0), l)
   Call: (186) [system] l=')'
   Fail: (186) [system] l=')'
   Call: (186) [system] l=end_of_file
   Fail: (186) [system] l=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x563acd73bee0), _1330902)
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _1332760)
   Exit: (188) [system] peek_char((0x563acd73bee0), l)
   Call: (188) [system] l=(;)
   Fail: (188) [system] l=(;)
   Call: (188) [system] l=(/)
   Fail: (188) [system] l=(/)
^  Call: (188) [user] is_like_space(l)
   Call: (189) [system] char_type(l, 'white')
   Fail: (189) [system] char_type(l, 'white')
   Call: (189) [system] char_type(l, end_of_line)
   Fail: (189) [system] char_type(l, end_of_line)
   Call: (189) [system] char_type(l, space)
   Fail: (189) [system] char_type(l, space)
   Call: (189) [system] char_type(l, cntrl)
   Fail: (189) [system] char_type(l, cntrl)
^  Fail: (188) [user] is_like_space(l)
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] get_char((0x563acd73bee0), _1348770)
   Exit: (187) [system] get_char((0x563acd73bee0), l)
   Call: (187) [system] l='('
   Fail: (187) [system] l='('
   Call: (187) [system] l='['
   Fail: (187) [system] l='['
   Call: (187) [system] l='{'
   Fail: (187) [system] l='{'
   Call: (187) [system] l='"'
   Fail: (187) [system] l='"'
   Call: (187) [system] l=!
   Fail: (187) [system] l=!
   Call: (187) [system] l='\''
   Fail: (187) [system] l='\''
   Call: (187) [system] l='`'
   Fail: (187) [system] l='`'
   Call: (187) [system] l=end_of_file
   Fail: (187) [system] l=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x563acd73bee0), l, _1330902)
^  Call: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), _1366412)
   Call: (189) [system] peek_char((0x563acd73bee0), _1367346)
   Exit: (189) [system] peek_char((0x563acd73bee0), e)
^  Call: (189) [user] is_delimiter(e)
   Call: (190) [system] char_type(e, space)
   Fail: (190) [system] char_type(e, space)
   Call: (190) [system] arg(_1372066, v('(', ')', end_of_file), e)
   Fail: (190) [system] arg(_1372998, v('(', ')', end_of_file), e)
^  Fail: (189) [user] is_delimiter(e)
   Call: (189) [system] ')'==e
   Fail: (189) [system] ')'==e
   Call: (189) [system] get_char((0x563acd73bee0), e)
   Exit: (189) [system] get_char((0x563acd73bee0), e)
   Call: (189) [system] e=(\)
   Fail: (189) [system] e=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), _1380348)
   Call: (190) [system] peek_char((0x563acd73bee0), _1381282)
   Exit: (190) [system] peek_char((0x563acd73bee0), t)
^  Call: (190) [user] is_delimiter(t)
   Call: (191) [system] char_type(t, space)
   Fail: (191) [system] char_type(t, space)
   Call: (191) [system] arg(_1386002, v('(', ')', end_of_file), t)
   Fail: (191) [system] arg(_1386934, v('(', ')', end_of_file), t)
^  Fail: (190) [user] is_delimiter(t)
   Call: (190) [system] ')'==t
   Fail: (190) [system] ')'==t
   Call: (190) [system] get_char((0x563acd73bee0), t)
   Exit: (190) [system] get_char((0x563acd73bee0), t)
   Call: (190) [system] t=(\)
   Fail: (190) [system] t=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), _1394284)
   Call: (191) [system] peek_char((0x563acd73bee0), _1395218)
   Exit: (191) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (191) [user] is_delimiter(' ')
   Call: (192) [system] char_type(' ', space)
   Exit: (192) [system] char_type(' ', space)
^  Exit: (191) [user] is_delimiter(' ')
   Call: (191) [system] _1394284=[]
   Exit: (191) [system] []=[]
^  Exit: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (190) [system] _1380348=[t]
   Exit: (190) [system] [t]=[t]
^  Exit: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), [t])
   Call: (189) [system] _1366412=[e, t]
   Exit: (189) [system] [e, t]=[e, t]
^  Exit: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, t])
^  Call: (188) [user] classify_and_convert_charseq([l, e, t], _1330902)
^  Call: (189) [user] classify_and_convert_charseq_([l, e, t], _1410090)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_1411042, _1411044), once(user:catch(read_from_chars([l, e, t], _1410090), _1411024, fail)), '$restore_trace'(_1411042, _1411044))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_1411042, _1411044))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([l, e, t], let), _1411024, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(let)
   Exit: (190) [system] atomic(let)
^  Exit: (189) [user] classify_and_convert_charseq_([l, e, t], let)
   Call: (189) [system] integer(let)
   Fail: (189) [system] integer(let)
   Call: (189) [system] _1330902=let
   Exit: (189) [system] let=let
^  Exit: (188) [user] classify_and_convert_charseq([l, e, t], let)
^  Exit: (187) [user] read_symbolic(')', (0x563acd73bee0), l, let)
^  Exit: (186) [user] cont_sexpr(')', (0x563acd73bee0), let)
^  Call: (186) [user] read_list(')', (0x563acd73bee0), _1423170)
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _1425028)
   Exit: (188) [system] peek_char((0x563acd73bee0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x563acd73bee0), _1434622)
   Exit: (188) [system] get_char((0x563acd73bee0), ' ')
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1437326)
   Exit: (189) [system] peek_char((0x563acd73bee0), $)
   Call: (189) [system] ($)=(;)
   Fail: (189) [system] ($)=(;)
   Call: (189) [system] ($)=(/)
   Fail: (189) [system] ($)=(/)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Fail: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Fail: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Fail: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
   Fail: (190) [system] char_type($, cntrl)
^  Fail: (189) [user] is_like_space($)
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _1454260)
   Exit: (187) [system] peek_char((0x563acd73bee0), $)
   Call: (187) [system] ($)=')'
   Fail: (187) [system] ($)=')'
   Call: (187) [system] ($)=end_of_file
   Fail: (187) [system] ($)=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x563acd73bee0), _1459830)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1461688)
   Exit: (189) [system] peek_char((0x563acd73bee0), $)
   Call: (189) [system] ($)=(;)
   Fail: (189) [system] ($)=(;)
   Call: (189) [system] ($)=(/)
   Fail: (189) [system] ($)=(/)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Fail: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Fail: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Fail: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
   Fail: (190) [system] char_type($, cntrl)
^  Fail: (189) [user] is_like_space($)
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] get_char((0x563acd73bee0), _1477698)
   Exit: (188) [system] get_char((0x563acd73bee0), $)
   Call: (188) [system] ($)='('
   Fail: (188) [system] ($)='('
   Call: (188) [system] ($)='['
   Fail: (188) [system] ($)='['
   Call: (188) [system] ($)='{'
   Fail: (188) [system] ($)='{'
   Call: (188) [system] ($)='"'
   Fail: (188) [system] ($)='"'
   Call: (188) [system] ($)=!
   Fail: (188) [system] ($)=!
   Call: (188) [system] ($)='\''
   Fail: (188) [system] ($)='\''
   Call: (188) [system] ($)='`'
   Fail: (188) [system] ($)='`'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x563acd73bee0), $, _1459830)
^  Call: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), _1495340)
   Call: (190) [system] peek_char((0x563acd73bee0), _1496274)
   Exit: (190) [system] peek_char((0x563acd73bee0), q)
^  Call: (190) [user] is_delimiter(q)
   Call: (191) [system] char_type(q, space)
   Fail: (191) [system] char_type(q, space)
   Call: (191) [system] arg(_1500994, v('(', ')', end_of_file), q)
   Fail: (191) [system] arg(_1501926, v('(', ')', end_of_file), q)
^  Fail: (190) [user] is_delimiter(q)
   Call: (190) [system] ')'==q
   Fail: (190) [system] ')'==q
   Call: (190) [system] get_char((0x563acd73bee0), q)
   Exit: (190) [system] get_char((0x563acd73bee0), q)
   Call: (190) [system] q=(\)
   Fail: (190) [system] q=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), _1509276)
   Call: (191) [system] peek_char((0x563acd73bee0), _1510210)
   Exit: (191) [system] peek_char((0x563acd73bee0), u)
^  Call: (191) [user] is_delimiter(u)
   Call: (192) [system] char_type(u, space)
   Fail: (192) [system] char_type(u, space)
   Call: (192) [system] arg(_1514930, v('(', ')', end_of_file), u)
   Fail: (192) [system] arg(_1515862, v('(', ')', end_of_file), u)
^  Fail: (191) [user] is_delimiter(u)
   Call: (191) [system] ')'==u
   Fail: (191) [system] ')'==u
   Call: (191) [system] get_char((0x563acd73bee0), u)
   Exit: (191) [system] get_char((0x563acd73bee0), u)
   Call: (191) [system] u=(\)
   Fail: (191) [system] u=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), _1523212)
   Call: (192) [system] peek_char((0x563acd73bee0), _1524146)
   Exit: (192) [system] peek_char((0x563acd73bee0), e)
^  Call: (192) [user] is_delimiter(e)
   Call: (193) [system] char_type(e, space)
   Fail: (193) [system] char_type(e, space)
   Call: (193) [system] arg(_1528866, v('(', ')', end_of_file), e)
   Fail: (193) [system] arg(_1529798, v('(', ')', end_of_file), e)
^  Fail: (192) [user] is_delimiter(e)
   Call: (192) [system] ')'==e
   Fail: (192) [system] ')'==e
   Call: (192) [system] get_char((0x563acd73bee0), e)
   Exit: (192) [system] get_char((0x563acd73bee0), e)
   Call: (192) [system] e=(\)
   Fail: (192) [system] e=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), _1537148)
   Call: (193) [system] peek_char((0x563acd73bee0), _1538082)
   Exit: (193) [system] peek_char((0x563acd73bee0), r)
^  Call: (193) [user] is_delimiter(r)
   Call: (194) [system] char_type(r, space)
   Fail: (194) [system] char_type(r, space)
   Call: (194) [system] arg(_1542802, v('(', ')', end_of_file), r)
   Fail: (194) [system] arg(_1543734, v('(', ')', end_of_file), r)
^  Fail: (193) [user] is_delimiter(r)
   Call: (193) [system] ')'==r
   Fail: (193) [system] ')'==r
   Call: (193) [system] get_char((0x563acd73bee0), r)
   Exit: (193) [system] get_char((0x563acd73bee0), r)
   Call: (193) [system] r=(\)
   Fail: (193) [system] r=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _1551084)
   Call: (194) [system] peek_char((0x563acd73bee0), _1552018)
   Exit: (194) [system] peek_char((0x563acd73bee0), y)
^  Call: (194) [user] is_delimiter(y)
   Call: (195) [system] char_type(y, space)
   Fail: (195) [system] char_type(y, space)
   Call: (195) [system] arg(_1556738, v('(', ')', end_of_file), y)
   Fail: (195) [system] arg(_1557670, v('(', ')', end_of_file), y)
^  Fail: (194) [user] is_delimiter(y)
   Call: (194) [system] ')'==y
   Fail: (194) [system] ')'==y
   Call: (194) [system] get_char((0x563acd73bee0), y)
   Exit: (194) [system] get_char((0x563acd73bee0), y)
   Call: (194) [system] y=(\)
   Fail: (194) [system] y=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _1565020)
   Call: (195) [system] peek_char((0x563acd73bee0), _1565954)
   Exit: (195) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (195) [user] is_delimiter(' ')
   Call: (196) [system] char_type(' ', space)
   Exit: (196) [system] char_type(' ', space)
^  Exit: (195) [user] is_delimiter(' ')
   Call: (195) [system] _1565020=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (194) [system] _1551084=[y]
   Exit: (194) [system] [y]=[y]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [y])
   Call: (193) [system] _1537148=[r, y]
   Exit: (193) [system] [r, y]=[r, y]
^  Exit: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, y])
   Call: (192) [system] _1523212=[e, r, y]
   Exit: (192) [system] [e, r, y]=[e, r, y]
^  Exit: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, r, y])
   Call: (191) [system] _1509276=[u, e, r, y]
   Exit: (191) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, e, r, y])
   Call: (190) [system] _1495340=[q, u, e, r, y]
   Exit: (190) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), [q, u, e, r, y])
^  Call: (189) [user] classify_and_convert_charseq([$, q, u, e, r, y], _1459830)
^  Call: (190) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _1589208)
   Call: (191) [system] atom_chars(_1590140, ['_', q, u, e, r, y])
   Exit: (191) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (190) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _query)
   Call: (190) [system] integer(_query)
   Fail: (190) [system] integer(_query)
   Call: (190) [system] _1459830=_query
   Exit: (190) [system] _query=_query
^  Exit: (189) [user] classify_and_convert_charseq([$, q, u, e, r, y], _query)
^  Exit: (188) [user] read_symbolic(')', (0x563acd73bee0), $, _query)
^  Exit: (187) [user] cont_sexpr(')', (0x563acd73bee0), _query)
^  Call: (187) [user] read_list(')', (0x563acd73bee0), _1599432)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1601290)
   Exit: (189) [system] peek_char((0x563acd73bee0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x563acd73bee0), _1610884)
   Exit: (189) [system] get_char((0x563acd73bee0), ' ')
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1613588)
   Exit: (190) [system] peek_char((0x563acd73bee0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _1630522)
   Exit: (188) [system] peek_char((0x563acd73bee0), '(')
   Call: (188) [system] '('=')'
   Fail: (188) [system] '('=')'
   Call: (188) [system] '('=end_of_file
   Fail: (188) [system] '('=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x563acd73bee0), _1636092)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1637950)
   Exit: (190) [system] peek_char((0x563acd73bee0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] get_char((0x563acd73bee0), _1653960)
   Exit: (189) [system] get_char((0x563acd73bee0), '(')
   Call: (189) [system] '('='('
   Exit: (189) [system] '('='('
^  Call: (189) [user] read_list(')', (0x563acd73bee0), _1636092)
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _1659530)
   Exit: (191) [system] peek_char((0x563acd73bee0), $)
   Call: (191) [system] ($)=(;)
   Fail: (191) [system] ($)=(;)
   Call: (191) [system] ($)=(/)
   Fail: (191) [system] ($)=(/)
^  Call: (191) [user] is_like_space($)
   Call: (192) [system] char_type($, 'white')
   Fail: (192) [system] char_type($, 'white')
   Call: (192) [system] char_type($, end_of_line)
   Fail: (192) [system] char_type($, end_of_line)
   Call: (192) [system] char_type($, space)
   Fail: (192) [system] char_type($, space)
   Call: (192) [system] char_type($, cntrl)
   Fail: (192) [system] char_type($, cntrl)
^  Fail: (191) [user] is_like_space($)
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1675540)
   Exit: (190) [system] peek_char((0x563acd73bee0), $)
   Call: (190) [system] ($)=')'
   Fail: (190) [system] ($)=')'
   Call: (190) [system] ($)=end_of_file
   Fail: (190) [system] ($)=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x563acd73bee0), _1681110)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1682968)
   Exit: (192) [system] peek_char((0x563acd73bee0), $)
   Call: (192) [system] ($)=(;)
   Fail: (192) [system] ($)=(;)
   Call: (192) [system] ($)=(/)
   Fail: (192) [system] ($)=(/)
^  Call: (192) [user] is_like_space($)
   Call: (193) [system] char_type($, 'white')
   Fail: (193) [system] char_type($, 'white')
   Call: (193) [system] char_type($, end_of_line)
   Fail: (193) [system] char_type($, end_of_line)
   Call: (193) [system] char_type($, space)
   Fail: (193) [system] char_type($, space)
   Call: (193) [system] char_type($, cntrl)
   Fail: (193) [system] char_type($, cntrl)
^  Fail: (192) [user] is_like_space($)
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] get_char((0x563acd73bee0), _1698978)
   Exit: (191) [system] get_char((0x563acd73bee0), $)
   Call: (191) [system] ($)='('
   Fail: (191) [system] ($)='('
   Call: (191) [system] ($)='['
   Fail: (191) [system] ($)='['
   Call: (191) [system] ($)='{'
   Fail: (191) [system] ($)='{'
   Call: (191) [system] ($)='"'
   Fail: (191) [system] ($)='"'
   Call: (191) [system] ($)=!
   Fail: (191) [system] ($)=!
   Call: (191) [system] ($)='\''
   Fail: (191) [system] ($)='\''
   Call: (191) [system] ($)='`'
   Fail: (191) [system] ($)='`'
   Call: (191) [system] ($)=end_of_file
   Fail: (191) [system] ($)=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x563acd73bee0), $, _1681110)
^  Call: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), _1716620)
   Call: (193) [system] peek_char((0x563acd73bee0), _1717554)
   Exit: (193) [system] peek_char((0x563acd73bee0), k)
^  Call: (193) [user] is_delimiter(k)
   Call: (194) [system] char_type(k, space)
   Fail: (194) [system] char_type(k, space)
   Call: (194) [system] arg(_1722274, v('(', ')', end_of_file), k)
   Fail: (194) [system] arg(_1723206, v('(', ')', end_of_file), k)
^  Fail: (193) [user] is_delimiter(k)
   Call: (193) [system] ')'==k
   Fail: (193) [system] ')'==k
   Call: (193) [system] get_char((0x563acd73bee0), k)
   Exit: (193) [system] get_char((0x563acd73bee0), k)
   Call: (193) [system] k=(\)
   Fail: (193) [system] k=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _1730556)
   Call: (194) [system] peek_char((0x563acd73bee0), _1731490)
   Exit: (194) [system] peek_char((0x563acd73bee0), b)
^  Call: (194) [user] is_delimiter(b)
   Call: (195) [system] char_type(b, space)
   Fail: (195) [system] char_type(b, space)
   Call: (195) [system] arg(_1736210, v('(', ')', end_of_file), b)
   Fail: (195) [system] arg(_1737142, v('(', ')', end_of_file), b)
^  Fail: (194) [user] is_delimiter(b)
   Call: (194) [system] ')'==b
   Fail: (194) [system] ')'==b
   Call: (194) [system] get_char((0x563acd73bee0), b)
   Exit: (194) [system] get_char((0x563acd73bee0), b)
   Call: (194) [system] b=(\)
   Fail: (194) [system] b=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _1744492)
   Call: (195) [system] peek_char((0x563acd73bee0), _1745426)
   Exit: (195) [system] peek_char((0x563acd73bee0), ')')
^  Call: (195) [user] is_delimiter(')')
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] arg(_1750146, v('(', ')', end_of_file), ')')
   Exit: (196) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (195) [user] is_delimiter(')')
   Call: (195) [system] _1744492=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (194) [system] _1730556=[b]
   Exit: (194) [system] [b]=[b]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
   Call: (193) [system] _1716620=[k, b]
   Exit: (193) [system] [k, b]=[k, b]
^  Exit: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), [k, b])
^  Call: (192) [user] classify_and_convert_charseq([$, k, b], _1681110)
^  Call: (193) [user] classify_and_convert_charseq_([$, k, b], _1762170)
   Call: (194) [system] atom_chars(_1763102, ['_', k, b])
   Exit: (194) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (193) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (193) [system] integer(_kb)
   Fail: (193) [system] integer(_kb)
   Call: (193) [system] _1681110=_kb
   Exit: (193) [system] _kb=_kb
^  Exit: (192) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (191) [user] read_symbolic(')', (0x563acd73bee0), $, _kb)
^  Exit: (190) [user] cont_sexpr(')', (0x563acd73bee0), _kb)
^  Call: (190) [user] read_list(')', (0x563acd73bee0), _1772394)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1774252)
   Exit: (192) [system] peek_char((0x563acd73bee0), ')')
   Call: (192) [system] ')'=(;)
   Fail: (192) [system] ')'=(;)
   Call: (192) [system] ')'=(/)
   Fail: (192) [system] ')'=(/)
^  Call: (192) [user] is_like_space(')')
   Call: (193) [system] char_type(')', 'white')
   Fail: (193) [system] char_type(')', 'white')
   Call: (193) [system] char_type(')', end_of_line)
   Fail: (193) [system] char_type(')', end_of_line)
   Call: (193) [system] char_type(')', space)
   Fail: (193) [system] char_type(')', space)
   Call: (193) [system] char_type(')', cntrl)
   Fail: (193) [system] char_type(')', cntrl)
^  Fail: (192) [user] is_like_space(')')
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _1790262)
   Exit: (191) [system] peek_char((0x563acd73bee0), ')')
   Call: (191) [system] ')'=')'
   Exit: (191) [system] ')'=')'
   Call: (191) [system] get_char((0x563acd73bee0), _1794052)
   Exit: (191) [system] get_char((0x563acd73bee0), ')')
   Call: (191) [system] _1772394=[]
   Exit: (191) [system] []=[]
^  Exit: (190) [user] read_list(')', (0x563acd73bee0), [])
   Call: (190) [system] _1636092=[_kb]
   Exit: (190) [system] [_kb]=[_kb]
^  Exit: (189) [user] read_list(')', (0x563acd73bee0), [_kb])
^  Exit: (188) [user] cont_sexpr(')', (0x563acd73bee0), [_kb])
^  Call: (188) [user] read_list(')', (0x563acd73bee0), _1802346)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1804204)
   Exit: (190) [system] peek_char((0x563acd73bee0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x563acd73bee0), _1813798)
   Exit: (190) [system] get_char((0x563acd73bee0), ' ')
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _1816502)
   Exit: (191) [system] peek_char((0x563acd73bee0), $)
   Call: (191) [system] ($)=(;)
   Fail: (191) [system] ($)=(;)
   Call: (191) [system] ($)=(/)
   Fail: (191) [system] ($)=(/)
^  Call: (191) [user] is_like_space($)
   Call: (192) [system] char_type($, 'white')
   Fail: (192) [system] char_type($, 'white')
   Call: (192) [system] char_type($, end_of_line)
   Fail: (192) [system] char_type($, end_of_line)
   Call: (192) [system] char_type($, space)
   Fail: (192) [system] char_type($, space)
   Call: (192) [system] char_type($, cntrl)
   Fail: (192) [system] char_type($, cntrl)
^  Fail: (191) [user] is_like_space($)
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1833436)
   Exit: (189) [system] peek_char((0x563acd73bee0), $)
   Call: (189) [system] ($)=')'
   Fail: (189) [system] ($)=')'
   Call: (189) [system] ($)=end_of_file
   Fail: (189) [system] ($)=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x563acd73bee0), _1839006)
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _1840864)
   Exit: (191) [system] peek_char((0x563acd73bee0), $)
   Call: (191) [system] ($)=(;)
   Fail: (191) [system] ($)=(;)
   Call: (191) [system] ($)=(/)
   Fail: (191) [system] ($)=(/)
^  Call: (191) [user] is_like_space($)
   Call: (192) [system] char_type($, 'white')
   Fail: (192) [system] char_type($, 'white')
   Call: (192) [system] char_type($, end_of_line)
   Fail: (192) [system] char_type($, end_of_line)
   Call: (192) [system] char_type($, space)
   Fail: (192) [system] char_type($, space)
   Call: (192) [system] char_type($, cntrl)
   Fail: (192) [system] char_type($, cntrl)
^  Fail: (191) [user] is_like_space($)
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] get_char((0x563acd73bee0), _1856874)
   Exit: (190) [system] get_char((0x563acd73bee0), $)
   Call: (190) [system] ($)='('
   Fail: (190) [system] ($)='('
   Call: (190) [system] ($)='['
   Fail: (190) [system] ($)='['
   Call: (190) [system] ($)='{'
   Fail: (190) [system] ($)='{'
   Call: (190) [system] ($)='"'
   Fail: (190) [system] ($)='"'
   Call: (190) [system] ($)=!
   Fail: (190) [system] ($)=!
   Call: (190) [system] ($)='\''
   Fail: (190) [system] ($)='\''
   Call: (190) [system] ($)='`'
   Fail: (190) [system] ($)='`'
   Call: (190) [system] ($)=end_of_file
   Fail: (190) [system] ($)=end_of_file
^  Call: (190) [user] read_symbolic(')', (0x563acd73bee0), $, _1839006)
^  Call: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), _1874516)
   Call: (192) [system] peek_char((0x563acd73bee0), _1875450)
   Exit: (192) [system] peek_char((0x563acd73bee0), q)
^  Call: (192) [user] is_delimiter(q)
   Call: (193) [system] char_type(q, space)
   Fail: (193) [system] char_type(q, space)
   Call: (193) [system] arg(_1880170, v('(', ')', end_of_file), q)
   Fail: (193) [system] arg(_1881102, v('(', ')', end_of_file), q)
^  Fail: (192) [user] is_delimiter(q)
   Call: (192) [system] ')'==q
   Fail: (192) [system] ')'==q
   Call: (192) [system] get_char((0x563acd73bee0), q)
   Exit: (192) [system] get_char((0x563acd73bee0), q)
   Call: (192) [system] q=(\)
   Fail: (192) [system] q=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), _1888452)
   Call: (193) [system] peek_char((0x563acd73bee0), _1889386)
   Exit: (193) [system] peek_char((0x563acd73bee0), u)
^  Call: (193) [user] is_delimiter(u)
   Call: (194) [system] char_type(u, space)
   Fail: (194) [system] char_type(u, space)
   Call: (194) [system] arg(_1894106, v('(', ')', end_of_file), u)
   Fail: (194) [system] arg(_1895038, v('(', ')', end_of_file), u)
^  Fail: (193) [user] is_delimiter(u)
   Call: (193) [system] ')'==u
   Fail: (193) [system] ')'==u
   Call: (193) [system] get_char((0x563acd73bee0), u)
   Exit: (193) [system] get_char((0x563acd73bee0), u)
   Call: (193) [system] u=(\)
   Fail: (193) [system] u=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _1902388)
   Call: (194) [system] peek_char((0x563acd73bee0), _1903322)
   Exit: (194) [system] peek_char((0x563acd73bee0), e)
^  Call: (194) [user] is_delimiter(e)
   Call: (195) [system] char_type(e, space)
   Fail: (195) [system] char_type(e, space)
   Call: (195) [system] arg(_1908042, v('(', ')', end_of_file), e)
   Fail: (195) [system] arg(_1908974, v('(', ')', end_of_file), e)
^  Fail: (194) [user] is_delimiter(e)
   Call: (194) [system] ')'==e
   Fail: (194) [system] ')'==e
   Call: (194) [system] get_char((0x563acd73bee0), e)
   Exit: (194) [system] get_char((0x563acd73bee0), e)
   Call: (194) [system] e=(\)
   Fail: (194) [system] e=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _1916324)
   Call: (195) [system] peek_char((0x563acd73bee0), _1917258)
   Exit: (195) [system] peek_char((0x563acd73bee0), r)
^  Call: (195) [user] is_delimiter(r)
   Call: (196) [system] char_type(r, space)
   Fail: (196) [system] char_type(r, space)
   Call: (196) [system] arg(_1921978, v('(', ')', end_of_file), r)
   Fail: (196) [system] arg(_1922910, v('(', ')', end_of_file), r)
^  Fail: (195) [user] is_delimiter(r)
   Call: (195) [system] ')'==r
   Fail: (195) [system] ')'==r
   Call: (195) [system] get_char((0x563acd73bee0), r)
   Exit: (195) [system] get_char((0x563acd73bee0), r)
   Call: (195) [system] r=(\)
   Fail: (195) [system] r=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _1930260)
   Call: (196) [system] peek_char((0x563acd73bee0), _1931194)
   Exit: (196) [system] peek_char((0x563acd73bee0), y)
^  Call: (196) [user] is_delimiter(y)
   Call: (197) [system] char_type(y, space)
   Fail: (197) [system] char_type(y, space)
   Call: (197) [system] arg(_1935914, v('(', ')', end_of_file), y)
   Fail: (197) [system] arg(_1936846, v('(', ')', end_of_file), y)
^  Fail: (196) [user] is_delimiter(y)
   Call: (196) [system] ')'==y
   Fail: (196) [system] ')'==y
   Call: (196) [system] get_char((0x563acd73bee0), y)
   Exit: (196) [system] get_char((0x563acd73bee0), y)
   Call: (196) [system] y=(\)
   Fail: (196) [system] y=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _1944196)
   Call: (197) [system] peek_char((0x563acd73bee0), _1945130)
   Exit: (197) [system] peek_char((0x563acd73bee0), ')')
^  Call: (197) [user] is_delimiter(')')
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] arg(_1949850, v('(', ')', end_of_file), ')')
   Exit: (198) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (197) [user] is_delimiter(')')
   Call: (197) [system] _1944196=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (196) [system] _1930260=[y]
   Exit: (196) [system] [y]=[y]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [y])
   Call: (195) [system] _1916324=[r, y]
   Exit: (195) [system] [r, y]=[r, y]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, y])
   Call: (194) [system] _1902388=[e, r, y]
   Exit: (194) [system] [e, r, y]=[e, r, y]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, r, y])
   Call: (193) [system] _1888452=[u, e, r, y]
   Exit: (193) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, e, r, y])
   Call: (192) [system] _1874516=[q, u, e, r, y]
   Exit: (192) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), [q, u, e, r, y])
^  Call: (191) [user] classify_and_convert_charseq([$, q, u, e, r, y], _1839006)
^  Call: (192) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _1970256)
   Call: (193) [system] atom_chars(_1971188, ['_', q, u, e, r, y])
   Exit: (193) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (192) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _query)
   Call: (192) [system] integer(_query)
   Fail: (192) [system] integer(_query)
   Call: (192) [system] _1839006=_query
   Exit: (192) [system] _query=_query
^  Exit: (191) [user] classify_and_convert_charseq([$, q, u, e, r, y], _query)
^  Exit: (190) [user] read_symbolic(')', (0x563acd73bee0), $, _query)
^  Exit: (189) [user] cont_sexpr(')', (0x563acd73bee0), _query)
^  Call: (189) [user] read_list(')', (0x563acd73bee0), _1980480)
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _1982338)
   Exit: (191) [system] peek_char((0x563acd73bee0), ')')
   Call: (191) [system] ')'=(;)
   Fail: (191) [system] ')'=(;)
   Call: (191) [system] ')'=(/)
   Fail: (191) [system] ')'=(/)
^  Call: (191) [user] is_like_space(')')
   Call: (192) [system] char_type(')', 'white')
   Fail: (192) [system] char_type(')', 'white')
   Call: (192) [system] char_type(')', end_of_line)
   Fail: (192) [system] char_type(')', end_of_line)
   Call: (192) [system] char_type(')', space)
   Fail: (192) [system] char_type(')', space)
   Call: (192) [system] char_type(')', cntrl)
   Fail: (192) [system] char_type(')', cntrl)
^  Fail: (191) [user] is_like_space(')')
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1998348)
   Exit: (190) [system] peek_char((0x563acd73bee0), ')')
   Call: (190) [system] ')'=')'
   Exit: (190) [system] ')'=')'
   Call: (190) [system] get_char((0x563acd73bee0), _2002138)
   Exit: (190) [system] get_char((0x563acd73bee0), ')')
   Call: (190) [system] _1980480=[]
   Exit: (190) [system] []=[]
^  Exit: (189) [user] read_list(')', (0x563acd73bee0), [])
   Call: (189) [system] _1802346=[_query]
   Exit: (189) [system] [_query]=[_query]
^  Exit: (188) [user] read_list(')', (0x563acd73bee0), [_query])
   Call: (188) [system] _1599432=[[_kb], _query]
   Exit: (188) [system] [[_kb], _query]=[[_kb], _query]
^  Exit: (187) [user] read_list(')', (0x563acd73bee0), [[_kb], _query])
   Call: (187) [system] _1423170=[_query, [_kb], _query]
   Exit: (187) [system] [_query, [_kb], _query]=[_query, [_kb], _query]
^  Exit: (186) [user] read_list(')', (0x563acd73bee0), [_query, [_kb], _query])
   Call: (186) [system] _1285884=[let, _query, [_kb], _query]
   Exit: (186) [system] [let, _query, [_kb], _query]=[let, _query, [_kb], _query]
^  Exit: (185) [user] read_list(')', (0x563acd73bee0), [let, _query, [_kb], _query])
^  Exit: (184) [user] cont_sexpr(')', (0x563acd73bee0), [let, _query, [_kb], _query])
^  Call: (184) [user] read_list(')', (0x563acd73bee0), _2018814)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _2020672)
   Exit: (186) [system] peek_char((0x563acd73bee0), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
   Call: (186) [system] ')'=(/)
   Fail: (186) [system] ')'=(/)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _2036682)
   Exit: (185) [system] peek_char((0x563acd73bee0), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x563acd73bee0), _2040472)
   Exit: (185) [system] get_char((0x563acd73bee0), ')')
   Call: (185) [system] _2018814=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x563acd73bee0), [])
   Call: (184) [system] _1207702=[[let, _query, [_kb], _query]]
   Exit: (184) [system] [[let, _query, [_kb], _query]]=[[let, _query, [_kb], _query]]
^  Exit: (183) [user] read_list(')', (0x563acd73bee0), [[let, _query, [_kb], _query]])
   Call: (183) [system] _268978=[[synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]
   Exit: (183) [system] [[synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]=[[synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]
^  Exit: (182) [user] read_list(')', (0x563acd73bee0), [[synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
   Call: (182) [system] _85164=[=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]
   Exit: (182) [system] [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]=[=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]
^  Exit: (181) [user] read_list(')', (0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (180) [user] cont_sexpr(')', (0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (179) [user] read_sexpr((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Call: (179) [user] assertz(metta_file_comment(50, 0, 1601, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], '$stream_position'(1601, 50, 0, 1601)))
^  Exit: (179) [user] assertz(metta_file_comment(50, 0, 1601, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], '$stream_position'(1601, 50, 0, 1601)))
^  Exit: (177) [system] once(user:(read_position((0x563acd73bee0), 50, 0, 1601, '$stream_position'(1601, 50, 0, 1601)), read_sexpr((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]), assertz(metta_file_comment(50, 0, 1601, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], '$stream_position'(1601, 50, 0, 1601)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_2058990, _2058992, _2058994, _2058996, _2058998))
^  Exit: (177) [user] retract(metta_file_comment(38, 0, 1167, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$stream_position'(1167, 38, 0, 1167)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _2061830))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _2061830)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _2061830)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _2064646))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _2064646))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _2064646)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _2067446))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _2067446)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _2067446)
   Call: (187) [system] var('$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
   Call: (187) [system] atom('$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
   Call: (187) [system] '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)==true
   Call: (187) [system] '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)==false
   Call: (187) [system] '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)==[_2073966, _2073972]
   Call: (187) [system] is_list('$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
   Call: (187) [system] string('$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
   Call: (187) [system] compound('$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
   Exit: (187) [system] compound('$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _2078600, _2078602)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT', [";; $rb: a nullary function to rule", 38, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";; $rb: a nullary function to rule", 38, 0], _2082342)
   Call: (188) [apply] apply:maplist_([";; $rb: a nullary function to rule", 38, 0], _2082342, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";; $rb: a nullary function to rule", _2084222)
   Call: (190) [system] var(";; $rb: a nullary function to rule")
   Call: (190) [system] atom(";; $rb: a nullary function to rule")
   Call: (190) [system] ";; $rb: a nullary function to rule"==true
   Call: (190) [system] ";; $rb: a nullary function to rule"==false
   Call: (190) [system] ";; $rb: a nullary function to rule"==[_2088864, _2088870]
   Call: (190) [system] is_list(";; $rb: a nullary function to rule")
   Call: (190) [system] string(";; $rb: a nullary function to rule")
   Exit: (190) [system] string(";; $rb: a nullary function to rule")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";; $rb: a nullary function to rule")
^  Call: (190) [user] symbol(";; $rb: a nullary function to rule")
   Call: (191) [system] atom(";; $rb: a nullary function to rule")
   Fail: (191) [system] atom(";; $rb: a nullary function to rule")
^  Fail: (190) [user] symbol(";; $rb: a nullary function to rule")
   Call: (190) [system] ";; $rb: a nullary function to rule"=_3406
   Exit: (190) [system] ";; $rb: a nullary function to rule"=";; $rb: a nullary function to rule"
^  Exit: (189) [user] mfix_vars1(";; $rb: a nullary function to rule", ";; $rb: a nullary function to rule")
   Call: (189) [apply] apply:maplist_([38, 0], _3408, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(38, _9364)
   Call: (191) [system] var(38)
   Call: (191) [system] atom(38)
   Call: (191) [system] 38==true
   Call: (191) [system] 38==false
   Call: (191) [system] 38==[_14006, _14012]
   Call: (191) [system] is_list(38)
   Call: (191) [system] string(38)
   Call: (191) [system] compound(38)
^  Call: (191) [user] symbol(38)
   Call: (192) [system] atom(38)
   Fail: (192) [system] atom(38)
^  Fail: (191) [user] symbol(38)
   Call: (191) [system] 38=_9364
   Exit: (191) [system] 38=38
^  Exit: (190) [user] mfix_vars1(38, 38)
   Call: (190) [apply] apply:maplist_([0], _9366, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _25130)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_29772, _29778]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_25130
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _25132, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([38, 0], [38, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";; $rb: a nullary function to rule", 38, 0], [";; $rb: a nullary function to rule", 38, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";; $rb: a nullary function to rule", 38, 0], [";; $rb: a nullary function to rule", 38, 0])
   Call: (187) [system] compound_name_arguments(_3360, '$COMMENT', [";; $rb: a nullary function to rule", 38, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT', [";; $rb: a nullary function to rule", 38, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)))
   Call: (184) [system] '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)\=@='$COMMENT'(";; $rb: a nullary function to rule", 38, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _53948))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _53948))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _53948)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _56748))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _56748)
^  Call: (186) [user] cons_to_c('$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _56748)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)))
   Call: (184) [system] '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)\=@='$COMMENT'(";; $rb: a nullary function to rule", 38, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _3326))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _3326))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _3326)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _70706))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _70706)
^  Call: (186) [user] cons_to_l('$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _70706)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)))
   Call: (184) [system] '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)\=@='$COMMENT'(";; $rb: a nullary function to rule", 38, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)))
   Call: (178) [system] '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)\=@='$COMMENT'(";; $rb: a nullary function to rule", 38, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
^  Exit: (171) [user] read_sform((0x563acd73bee0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
^  Exit: (170) [system] once(user:read_sform((0x563acd73bee0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x563acd73bee0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)))
   Call: (169) [system] '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1727204587.625688), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204587.625688), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; $rb: a nullary function to rule", 38, 0)), 49]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), ynthesize_long_1727204587_629323, 49)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1727204587.625688), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204587.625688), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; $rb: a nullary function to rule", 38, 0)), 49]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1727204588.6342707)
   Call: (173) [system] arg(1, t(1727204587.625688), _3148)
   Exit: (173) [system] arg(1, t(1727204587.625688), 1727204587.625688)
   Call: (173) [system] _3158 is 1727204588.6342707-1727204587.625688
   Exit: (173) [system] 1.008582592010498 is 1727204588.6342707-1727204587.625688
   Call: (173) [system] 1.008582592010498>4
   Fail: (173) [system] 1.008582592010498>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1727204587.625688), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204587.625688), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; $rb: a nullary function to rule", 38, 0)), 49]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 4)
   Call: (175) [system] atom(4+1)
   Call: (175) [system] set_flag(translated_forms, 5)
   Exit: (175) [system] set_flag(translated_forms, 5)
   Exit: (174) [$syspreds] update_flag(translated_forms, 4, 4+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 4, 4+1))
   Exit: (171) [$syspreds] flag(translated_forms, 4, 4+1)
^  Call: (171) [user] write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), ynthesize_long_1727204587_629323, 49)
^  Call: (172) [user] format((0x563acd7397e0), "/* ~w */~n", [";; $rb: a nullary function to rule"])
^  Exit: (172) [user] format((0x563acd7397e0), "/* ~w */~n", [";; $rb: a nullary function to rule"])
^  Exit: (171) [user] write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), ynthesize_long_1727204587_629323, 49)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1727204587.625688), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204587.625688), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; $rb: a nullary function to rule", 38, 0)), 49]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 4, 4+1), write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), ynthesize_long_1727204587_629323, 49)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x563acd73bee0))
   Fail: (169) [system] at_end_of_stream((0x563acd73bee0))
^  Call: (169) [user] must_det_ll(line_count((0x563acd73bee0), _3074))
^  Call: (170) [user] once(user:line_count((0x563acd73bee0), _3074))
   Call: (171) [system] line_count((0x563acd73bee0), _3074)
   Exit: (171) [system] line_count((0x563acd73bee0), 52)
^  Exit: (170) [system] once(user:line_count((0x563acd73bee0), 52))
^  Exit: (169) [user] must_det_ll(user:line_count((0x563acd73bee0), 52))
^  Call: (169) [user] must_det_ll(read_sform((0x563acd73bee0), _3084))
^  Call: (170) [user] once(user:read_sform((0x563acd73bee0), _3084))
^  Call: (171) [user] read_sform((0x563acd73bee0), _3084)
   Call: (172) [system] string((0x563acd73bee0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
   Call: (173) [system] string((0x563acd73bee0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), _3084)
   Call: (174) [system] at_end_of_stream((0x563acd73bee0))
   Call: (174) [system] peek_char((0x563acd73bee0), _145490)
   Exit: (174) [system] peek_char((0x563acd73bee0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x563acd73bee0), '\n')
   Exit: (174) [system] get_char((0x563acd73bee0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x563acd73bee0), _3084)
   Call: (175) [system] at_end_of_stream((0x563acd73bee0))
   Call: (175) [system] peek_char((0x563acd73bee0), _152912)
   Exit: (175) [system] peek_char((0x563acd73bee0), ;)
   Call: (175) [system] char_type(;, space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
   Call: (176) [system] string((0x563acd73bee0))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), _3084)
   Call: (177) [system] at_end_of_stream((0x563acd73bee0))
   Call: (177) [system] peek_char((0x563acd73bee0), _161250)
   Exit: (177) [system] peek_char((0x563acd73bee0), ;)
   Call: (177) [system] char_type(;, space)
   Call: (177) [system] _164036=(0x563acd73bee0)
   Exit: (177) [system] (0x563acd73bee0)=(0x563acd73bee0)
^  Call: (177) [user] once((read_position((0x563acd73bee0), _165904, _165906, _165908, _165910), read_sexpr((0x563acd73bee0), _165922), assertz(metta_file_comment(_165904, _165906, _165908, _165922, _165910))))
^  Call: (179) [user] read_position((0x563acd73bee0), _165904, _165906, _165908, _165910)
   Call: (180) [system] stream_property((0x563acd73bee0), position(_165910))
   Call: (181) [system] nonvar((0x563acd73bee0))
   Exit: (181) [system] nonvar((0x563acd73bee0))
   Call: (181) [system] nonvar(position(_165910))
   Exit: (181) [system] nonvar(position(_165910))
   Exit: (180) [system] stream_property((0x563acd73bee0), position('$stream_position'(1693, 53, 0, 1693)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(1693, 53, 0, 1693), _165904)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _176162)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(1693, 53, 0, 1693), _165904)
   Exit: (181) [system] arg(2, '$stream_position'(1693, 53, 0, 1693), 53)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(1693, 53, 0, 1693), 53)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(1693, 53, 0, 1693), _165906)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _183596)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(1693, 53, 0, 1693), _165906)
   Exit: (181) [system] arg(3, '$stream_position'(1693, 53, 0, 1693), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(1693, 53, 0, 1693), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(1693, 53, 0, 1693), _165908)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _191030)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(1693, 53, 0, 1693), _165908)
   Exit: (181) [system] arg(1, '$stream_position'(1693, 53, 0, 1693), 1693)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(1693, 53, 0, 1693), 1693)
^  Exit: (179) [user] read_position((0x563acd73bee0), 53, 0, 1693, '$stream_position'(1693, 53, 0, 1693))
^  Call: (179) [user] read_sexpr((0x563acd73bee0), _165922)
   Call: (180) [system] string((0x563acd73bee0))
   Fail: (180) [system] string((0x563acd73bee0))
^  Call: (180) [user] cont_sexpr(')', (0x563acd73bee0), _165922)
^  Call: (181) [user] skip_spaces((0x563acd73bee0))
   Call: (182) [system] peek_char((0x563acd73bee0), _201256)
   Exit: (182) [system] peek_char((0x563acd73bee0), ;)
   Call: (182) [system] (;)=(;)
   Exit: (182) [system] (;)=(;)
^  Call: (182) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (183) [user] read_position((0x563acd73bee0), _205894, _205896, _205898, _205900)
   Call: (184) [system] stream_property((0x563acd73bee0), position(_205900))
   Call: (185) [system] nonvar((0x563acd73bee0))
   Exit: (185) [system] nonvar((0x563acd73bee0))
   Call: (185) [system] nonvar(position(_205900))
   Exit: (185) [system] nonvar(position(_205900))
   Exit: (184) [system] stream_property((0x563acd73bee0), position('$stream_position'(1693, 53, 0, 1693)))
   Call: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(1693, 53, 0, 1693), _205894)
   Call: (185) [system] nonvar(line_count)
   Exit: (185) [system] nonvar(line_count)
   Call: (185) [$syspreds] stream_position_field(line_count, _215188)
   Exit: (185) [$syspreds] stream_position_field(line_count, 2)
   Call: (185) [system] arg(2, '$stream_position'(1693, 53, 0, 1693), _205894)
   Exit: (185) [system] arg(2, '$stream_position'(1693, 53, 0, 1693), 53)
   Exit: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(1693, 53, 0, 1693), 53)
   Call: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(1693, 53, 0, 1693), _205896)
   Call: (185) [system] nonvar(line_position)
   Exit: (185) [system] nonvar(line_position)
   Call: (185) [$syspreds] stream_position_field(line_position, _222622)
   Exit: (185) [$syspreds] stream_position_field(line_position, 3)
   Call: (185) [system] arg(3, '$stream_position'(1693, 53, 0, 1693), _205896)
   Exit: (185) [system] arg(3, '$stream_position'(1693, 53, 0, 1693), 0)
   Exit: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(1693, 53, 0, 1693), 0)
   Call: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(1693, 53, 0, 1693), _205898)
   Call: (185) [system] nonvar(char_count)
   Exit: (185) [system] nonvar(char_count)
   Call: (185) [$syspreds] stream_position_field(char_count, _230056)
   Exit: (185) [$syspreds] stream_position_field(char_count, 1)
   Call: (185) [system] arg(1, '$stream_position'(1693, 53, 0, 1693), _205898)
   Exit: (185) [system] arg(1, '$stream_position'(1693, 53, 0, 1693), 1693)
   Exit: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(1693, 53, 0, 1693), 1693)
^  Exit: (183) [user] read_position((0x563acd73bee0), 53, 0, 1693, '$stream_position'(1693, 53, 0, 1693))
   Call: (183) [read_util] read_util:read_line_to_string((0x563acd73bee0), _235650)
   Call: (184) [system] read_string((0x563acd73bee0), '\n', '\r', _236580, _236582)
   Exit: (184) [system] read_string((0x563acd73bee0), '\n', '\r', 10, ";; Unary rule")
   Call: (184) [system] 10\== -1
   Exit: (184) [system] 10\== -1
   Call: (184) [system] _235650=";; Unary rule"
   Exit: (184) [system] ";; Unary rule"=";; Unary rule"
   Exit: (183) [read_util] read_util:read_line_to_string((0x563acd73bee0), ";; Unary rule")
^  Call: (183) [user] assertz(metta_file_comment(53, 0, 1693, '$COMMENT'(";; Unary rule", 53, 0), '$stream_position'(1693, 53, 0, 1693)))
^  Exit: (183) [user] assertz(metta_file_comment(53, 0, 1693, '$COMMENT'(";; Unary rule", 53, 0), '$stream_position'(1693, 53, 0, 1693)))
^  Exit: (182) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (182) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] peek_char((0x563acd73bee0), _246840)
   Exit: (183) [system] peek_char((0x563acd73bee0), '(')
   Call: (183) [system] '('=(;)
   Fail: (183) [system] '('=(;)
   Call: (183) [system] '('=(/)
   Fail: (183) [system] '('=(/)
^  Call: (183) [user] is_like_space('(')
   Call: (184) [system] char_type('(', 'white')
   Fail: (184) [system] char_type('(', 'white')
   Call: (184) [system] char_type('(', end_of_line)
   Fail: (184) [system] char_type('(', end_of_line)
   Call: (184) [system] char_type('(', space)
   Fail: (184) [system] char_type('(', space)
   Call: (184) [system] char_type('(', cntrl)
   Fail: (184) [system] char_type('(', cntrl)
^  Fail: (183) [user] is_like_space('(')
^  Exit: (182) [user] skip_spaces((0x563acd73bee0))
^  Exit: (181) [user] skip_spaces((0x563acd73bee0))
   Call: (181) [system] get_char((0x563acd73bee0), _263774)
   Exit: (181) [system] get_char((0x563acd73bee0), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x563acd73bee0), _165922)
^  Call: (182) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] peek_char((0x563acd73bee0), _269344)
   Exit: (183) [system] peek_char((0x563acd73bee0), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
   Call: (183) [system] (=)=(/)
   Fail: (183) [system] (=)=(/)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x563acd73bee0))
   Call: (182) [system] peek_char((0x563acd73bee0), _285354)
   Exit: (182) [system] peek_char((0x563acd73bee0), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x563acd73bee0), _290924)
^  Call: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _292782)
   Exit: (184) [system] peek_char((0x563acd73bee0), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
   Call: (184) [system] (=)=(/)
   Fail: (184) [system] (=)=(/)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] get_char((0x563acd73bee0), _308792)
   Exit: (183) [system] get_char((0x563acd73bee0), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x563acd73bee0), =, _290924)
^  Call: (184) [user] read_symbolic_cont(')', (0x563acd73bee0), _326434)
   Call: (185) [system] peek_char((0x563acd73bee0), _327368)
   Exit: (185) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _326434=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (184) [user] classify_and_convert_charseq([=], _290924)
^  Call: (185) [user] classify_and_convert_charseq_([=], _336652)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_337604, _337606), once(user:catch(read_from_chars([=], _336652), _337586, fail)), '$restore_trace'(_337604, _337606))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_337604, _337606))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _337586, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(=)
   Exit: (186) [system] atomic(=)
^  Exit: (185) [user] classify_and_convert_charseq_([=], =)
   Call: (185) [system] integer(=)
   Fail: (185) [system] integer(=)
   Call: (185) [system] _290924=(=)
   Exit: (185) [system] (=)=(=)
^  Exit: (184) [user] classify_and_convert_charseq([=], =)
^  Exit: (183) [user] read_symbolic(')', (0x563acd73bee0), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x563acd73bee0), =)
^  Call: (182) [user] read_list(')', (0x563acd73bee0), _349732)
^  Call: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _351590)
   Exit: (184) [system] peek_char((0x563acd73bee0), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
   Call: (184) [system] ' '=(/)
   Fail: (184) [system] ' '=(/)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x563acd73bee0), _361184)
   Exit: (184) [system] get_char((0x563acd73bee0), ' ')
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _363888)
   Exit: (185) [system] peek_char((0x563acd73bee0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
^  Exit: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] peek_char((0x563acd73bee0), _380822)
   Exit: (183) [system] peek_char((0x563acd73bee0), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x563acd73bee0), _386392)
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _388250)
   Exit: (185) [system] peek_char((0x563acd73bee0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] get_char((0x563acd73bee0), _404260)
   Exit: (184) [system] get_char((0x563acd73bee0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x563acd73bee0), _386392)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _409830)
   Exit: (186) [system] peek_char((0x563acd73bee0), s)
   Call: (186) [system] s=(;)
   Fail: (186) [system] s=(;)
   Call: (186) [system] s=(/)
   Fail: (186) [system] s=(/)
^  Call: (186) [user] is_like_space(s)
   Call: (187) [system] char_type(s, 'white')
   Fail: (187) [system] char_type(s, 'white')
   Call: (187) [system] char_type(s, end_of_line)
   Fail: (187) [system] char_type(s, end_of_line)
   Call: (187) [system] char_type(s, space)
   Fail: (187) [system] char_type(s, space)
   Call: (187) [system] char_type(s, cntrl)
   Fail: (187) [system] char_type(s, cntrl)
^  Fail: (186) [user] is_like_space(s)
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _425840)
   Exit: (185) [system] peek_char((0x563acd73bee0), s)
   Call: (185) [system] s=')'
   Fail: (185) [system] s=')'
   Call: (185) [system] s=end_of_file
   Fail: (185) [system] s=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x563acd73bee0), _431410)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _433268)
   Exit: (187) [system] peek_char((0x563acd73bee0), s)
   Call: (187) [system] s=(;)
   Fail: (187) [system] s=(;)
   Call: (187) [system] s=(/)
   Fail: (187) [system] s=(/)
^  Call: (187) [user] is_like_space(s)
   Call: (188) [system] char_type(s, 'white')
   Fail: (188) [system] char_type(s, 'white')
   Call: (188) [system] char_type(s, end_of_line)
   Fail: (188) [system] char_type(s, end_of_line)
   Call: (188) [system] char_type(s, space)
   Fail: (188) [system] char_type(s, space)
   Call: (188) [system] char_type(s, cntrl)
   Fail: (188) [system] char_type(s, cntrl)
^  Fail: (187) [user] is_like_space(s)
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] get_char((0x563acd73bee0), _449278)
   Exit: (186) [system] get_char((0x563acd73bee0), s)
   Call: (186) [system] s='('
   Fail: (186) [system] s='('
   Call: (186) [system] s='['
   Fail: (186) [system] s='['
   Call: (186) [system] s='{'
   Fail: (186) [system] s='{'
   Call: (186) [system] s='"'
   Fail: (186) [system] s='"'
   Call: (186) [system] s=!
   Fail: (186) [system] s=!
   Call: (186) [system] s='\''
   Fail: (186) [system] s='\''
   Call: (186) [system] s='`'
   Fail: (186) [system] s='`'
   Call: (186) [system] s=end_of_file
   Fail: (186) [system] s=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x563acd73bee0), s, _431410)
^  Call: (187) [user] read_symbolic_cont(')', (0x563acd73bee0), _466920)
   Call: (188) [system] peek_char((0x563acd73bee0), _467854)
   Exit: (188) [system] peek_char((0x563acd73bee0), y)
^  Call: (188) [user] is_delimiter(y)
   Call: (189) [system] char_type(y, space)
   Fail: (189) [system] char_type(y, space)
   Call: (189) [system] arg(_472574, v('(', ')', end_of_file), y)
   Fail: (189) [system] arg(_473506, v('(', ')', end_of_file), y)
^  Fail: (188) [user] is_delimiter(y)
   Call: (188) [system] ')'==y
   Fail: (188) [system] ')'==y
   Call: (188) [system] get_char((0x563acd73bee0), y)
   Exit: (188) [system] get_char((0x563acd73bee0), y)
   Call: (188) [system] y=(\)
   Fail: (188) [system] y=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), _480856)
   Call: (189) [system] peek_char((0x563acd73bee0), _481790)
   Exit: (189) [system] peek_char((0x563acd73bee0), n)
^  Call: (189) [user] is_delimiter(n)
   Call: (190) [system] char_type(n, space)
   Fail: (190) [system] char_type(n, space)
   Call: (190) [system] arg(_486510, v('(', ')', end_of_file), n)
   Fail: (190) [system] arg(_487442, v('(', ')', end_of_file), n)
^  Fail: (189) [user] is_delimiter(n)
   Call: (189) [system] ')'==n
   Fail: (189) [system] ')'==n
   Call: (189) [system] get_char((0x563acd73bee0), n)
   Exit: (189) [system] get_char((0x563acd73bee0), n)
   Call: (189) [system] n=(\)
   Fail: (189) [system] n=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), _494792)
   Call: (190) [system] peek_char((0x563acd73bee0), _495726)
   Exit: (190) [system] peek_char((0x563acd73bee0), t)
^  Call: (190) [user] is_delimiter(t)
   Call: (191) [system] char_type(t, space)
   Fail: (191) [system] char_type(t, space)
   Call: (191) [system] arg(_500446, v('(', ')', end_of_file), t)
   Fail: (191) [system] arg(_501378, v('(', ')', end_of_file), t)
^  Fail: (190) [user] is_delimiter(t)
   Call: (190) [system] ')'==t
   Fail: (190) [system] ')'==t
   Call: (190) [system] get_char((0x563acd73bee0), t)
   Exit: (190) [system] get_char((0x563acd73bee0), t)
   Call: (190) [system] t=(\)
   Fail: (190) [system] t=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), _508728)
   Call: (191) [system] peek_char((0x563acd73bee0), _509662)
   Exit: (191) [system] peek_char((0x563acd73bee0), h)
^  Call: (191) [user] is_delimiter(h)
   Call: (192) [system] char_type(h, space)
   Fail: (192) [system] char_type(h, space)
   Call: (192) [system] arg(_514382, v('(', ')', end_of_file), h)
   Fail: (192) [system] arg(_515314, v('(', ')', end_of_file), h)
^  Fail: (191) [user] is_delimiter(h)
   Call: (191) [system] ')'==h
   Fail: (191) [system] ')'==h
   Call: (191) [system] get_char((0x563acd73bee0), h)
   Exit: (191) [system] get_char((0x563acd73bee0), h)
   Call: (191) [system] h=(\)
   Fail: (191) [system] h=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), _522664)
   Call: (192) [system] peek_char((0x563acd73bee0), _523598)
   Exit: (192) [system] peek_char((0x563acd73bee0), e)
^  Call: (192) [user] is_delimiter(e)
   Call: (193) [system] char_type(e, space)
   Fail: (193) [system] char_type(e, space)
   Call: (193) [system] arg(_528318, v('(', ')', end_of_file), e)
   Fail: (193) [system] arg(_529250, v('(', ')', end_of_file), e)
^  Fail: (192) [user] is_delimiter(e)
   Call: (192) [system] ')'==e
   Fail: (192) [system] ')'==e
   Call: (192) [system] get_char((0x563acd73bee0), e)
   Exit: (192) [system] get_char((0x563acd73bee0), e)
   Call: (192) [system] e=(\)
   Fail: (192) [system] e=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), _536600)
   Call: (193) [system] peek_char((0x563acd73bee0), _537534)
   Exit: (193) [system] peek_char((0x563acd73bee0), s)
^  Call: (193) [user] is_delimiter(s)
   Call: (194) [system] char_type(s, space)
   Fail: (194) [system] char_type(s, space)
   Call: (194) [system] arg(_542254, v('(', ')', end_of_file), s)
   Fail: (194) [system] arg(_543186, v('(', ')', end_of_file), s)
^  Fail: (193) [user] is_delimiter(s)
   Call: (193) [system] ')'==s
   Fail: (193) [system] ')'==s
   Call: (193) [system] get_char((0x563acd73bee0), s)
   Exit: (193) [system] get_char((0x563acd73bee0), s)
   Call: (193) [system] s=(\)
   Fail: (193) [system] s=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _550536)
   Call: (194) [system] peek_char((0x563acd73bee0), _551470)
   Exit: (194) [system] peek_char((0x563acd73bee0), i)
^  Call: (194) [user] is_delimiter(i)
   Call: (195) [system] char_type(i, space)
   Fail: (195) [system] char_type(i, space)
   Call: (195) [system] arg(_556190, v('(', ')', end_of_file), i)
   Fail: (195) [system] arg(_557122, v('(', ')', end_of_file), i)
^  Fail: (194) [user] is_delimiter(i)
   Call: (194) [system] ')'==i
   Fail: (194) [system] ')'==i
   Call: (194) [system] get_char((0x563acd73bee0), i)
   Exit: (194) [system] get_char((0x563acd73bee0), i)
   Call: (194) [system] i=(\)
   Fail: (194) [system] i=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _564472)
   Call: (195) [system] peek_char((0x563acd73bee0), _565406)
   Exit: (195) [system] peek_char((0x563acd73bee0), z)
^  Call: (195) [user] is_delimiter(z)
   Call: (196) [system] char_type(z, space)
   Fail: (196) [system] char_type(z, space)
   Call: (196) [system] arg(_570126, v('(', ')', end_of_file), z)
   Fail: (196) [system] arg(_571058, v('(', ')', end_of_file), z)
^  Fail: (195) [user] is_delimiter(z)
   Call: (195) [system] ')'==z
   Fail: (195) [system] ')'==z
   Call: (195) [system] get_char((0x563acd73bee0), z)
   Exit: (195) [system] get_char((0x563acd73bee0), z)
   Call: (195) [system] z=(\)
   Fail: (195) [system] z=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _578408)
   Call: (196) [system] peek_char((0x563acd73bee0), _579342)
   Exit: (196) [system] peek_char((0x563acd73bee0), e)
^  Call: (196) [user] is_delimiter(e)
   Call: (197) [system] char_type(e, space)
   Fail: (197) [system] char_type(e, space)
   Call: (197) [system] arg(_584062, v('(', ')', end_of_file), e)
   Fail: (197) [system] arg(_584994, v('(', ')', end_of_file), e)
^  Fail: (196) [user] is_delimiter(e)
   Call: (196) [system] ')'==e
   Fail: (196) [system] ')'==e
   Call: (196) [system] get_char((0x563acd73bee0), e)
   Exit: (196) [system] get_char((0x563acd73bee0), e)
   Call: (196) [system] e=(\)
   Fail: (196) [system] e=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _592344)
   Call: (197) [system] peek_char((0x563acd73bee0), _593278)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _592344=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (196) [system] _578408=[e]
   Exit: (196) [system] [e]=[e]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [e])
   Call: (195) [system] _564472=[z, e]
   Exit: (195) [system] [z, e]=[z, e]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [z, e])
   Call: (194) [system] _550536=[i, z, e]
   Exit: (194) [system] [i, z, e]=[i, z, e]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, z, e])
   Call: (193) [system] _536600=[s, i, z, e]
   Exit: (193) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, i, z, e])
   Call: (192) [system] _522664=[e, s, i, z, e]
   Exit: (192) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, s, i, z, e])
   Call: (191) [system] _508728=[h, e, s, i, z, e]
   Exit: (191) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), [h, e, s, i, z, e])
   Call: (190) [system] _494792=[t, h, e, s, i, z, e]
   Exit: (190) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, h, e, s, i, z, e])
   Call: (189) [system] _480856=[n, t, h, e, s, i, z, e]
   Exit: (189) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, h, e, s, i, z, e])
   Call: (188) [system] _466920=[y, n, t, h, e, s, i, z, e]
   Exit: (188) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (187) [user] read_symbolic_cont(')', (0x563acd73bee0), [y, n, t, h, e, s, i, z, e])
^  Call: (187) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _431410)
^  Call: (188) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _627708)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_628660, _628662), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _627708), _628642, fail)), '$restore_trace'(_628660, _628662))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_628660, _628662))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _628642, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(synthesize)
   Exit: (189) [system] atomic(synthesize)
^  Exit: (188) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (188) [system] integer(synthesize)
   Fail: (188) [system] integer(synthesize)
   Call: (188) [system] _431410=synthesize
   Exit: (188) [system] synthesize=synthesize
^  Exit: (187) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (186) [user] read_symbolic(')', (0x563acd73bee0), s, synthesize)
^  Exit: (185) [user] cont_sexpr(')', (0x563acd73bee0), synthesize)
^  Call: (185) [user] read_list(')', (0x563acd73bee0), _640788)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _642646)
   Exit: (187) [system] peek_char((0x563acd73bee0), ' ')
   Call: (187) [system] ' '=(;)
   Fail: (187) [system] ' '=(;)
   Call: (187) [system] ' '=(/)
   Fail: (187) [system] ' '=(/)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x563acd73bee0), _652240)
   Exit: (187) [system] get_char((0x563acd73bee0), ' ')
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _654944)
   Exit: (188) [system] peek_char((0x563acd73bee0), $)
   Call: (188) [system] ($)=(;)
   Fail: (188) [system] ($)=(;)
   Call: (188) [system] ($)=(/)
   Fail: (188) [system] ($)=(/)
^  Call: (188) [user] is_like_space($)
   Call: (189) [system] char_type($, 'white')
   Fail: (189) [system] char_type($, 'white')
   Call: (189) [system] char_type($, end_of_line)
   Fail: (189) [system] char_type($, end_of_line)
   Call: (189) [system] char_type($, space)
   Fail: (189) [system] char_type($, space)
   Call: (189) [system] char_type($, cntrl)
   Fail: (189) [system] char_type($, cntrl)
^  Fail: (188) [user] is_like_space($)
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _671878)
   Exit: (186) [system] peek_char((0x563acd73bee0), $)
   Call: (186) [system] ($)=')'
   Fail: (186) [system] ($)=')'
   Call: (186) [system] ($)=end_of_file
   Fail: (186) [system] ($)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x563acd73bee0), _677448)
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _679306)
   Exit: (188) [system] peek_char((0x563acd73bee0), $)
   Call: (188) [system] ($)=(;)
   Fail: (188) [system] ($)=(;)
   Call: (188) [system] ($)=(/)
   Fail: (188) [system] ($)=(/)
^  Call: (188) [user] is_like_space($)
   Call: (189) [system] char_type($, 'white')
   Fail: (189) [system] char_type($, 'white')
   Call: (189) [system] char_type($, end_of_line)
   Fail: (189) [system] char_type($, end_of_line)
   Call: (189) [system] char_type($, space)
   Fail: (189) [system] char_type($, space)
   Call: (189) [system] char_type($, cntrl)
   Fail: (189) [system] char_type($, cntrl)
^  Fail: (188) [user] is_like_space($)
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] get_char((0x563acd73bee0), _695316)
   Exit: (187) [system] get_char((0x563acd73bee0), $)
   Call: (187) [system] ($)='('
   Fail: (187) [system] ($)='('
   Call: (187) [system] ($)='['
   Fail: (187) [system] ($)='['
   Call: (187) [system] ($)='{'
   Fail: (187) [system] ($)='{'
   Call: (187) [system] ($)='"'
   Fail: (187) [system] ($)='"'
   Call: (187) [system] ($)=!
   Fail: (187) [system] ($)=!
   Call: (187) [system] ($)='\''
   Fail: (187) [system] ($)='\''
   Call: (187) [system] ($)='`'
   Fail: (187) [system] ($)='`'
   Call: (187) [system] ($)=end_of_file
   Fail: (187) [system] ($)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x563acd73bee0), $, _677448)
^  Call: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), _712958)
   Call: (189) [system] peek_char((0x563acd73bee0), _713892)
   Exit: (189) [system] peek_char((0x563acd73bee0), q)
^  Call: (189) [user] is_delimiter(q)
   Call: (190) [system] char_type(q, space)
   Fail: (190) [system] char_type(q, space)
   Call: (190) [system] arg(_718612, v('(', ')', end_of_file), q)
   Fail: (190) [system] arg(_719544, v('(', ')', end_of_file), q)
^  Fail: (189) [user] is_delimiter(q)
   Call: (189) [system] ')'==q
   Fail: (189) [system] ')'==q
   Call: (189) [system] get_char((0x563acd73bee0), q)
   Exit: (189) [system] get_char((0x563acd73bee0), q)
   Call: (189) [system] q=(\)
   Fail: (189) [system] q=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), _726894)
   Call: (190) [system] peek_char((0x563acd73bee0), _727828)
   Exit: (190) [system] peek_char((0x563acd73bee0), u)
^  Call: (190) [user] is_delimiter(u)
   Call: (191) [system] char_type(u, space)
   Fail: (191) [system] char_type(u, space)
   Call: (191) [system] arg(_732548, v('(', ')', end_of_file), u)
   Fail: (191) [system] arg(_733480, v('(', ')', end_of_file), u)
^  Fail: (190) [user] is_delimiter(u)
   Call: (190) [system] ')'==u
   Fail: (190) [system] ')'==u
   Call: (190) [system] get_char((0x563acd73bee0), u)
   Exit: (190) [system] get_char((0x563acd73bee0), u)
   Call: (190) [system] u=(\)
   Fail: (190) [system] u=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), _740830)
   Call: (191) [system] peek_char((0x563acd73bee0), _741764)
   Exit: (191) [system] peek_char((0x563acd73bee0), e)
^  Call: (191) [user] is_delimiter(e)
   Call: (192) [system] char_type(e, space)
   Fail: (192) [system] char_type(e, space)
   Call: (192) [system] arg(_746484, v('(', ')', end_of_file), e)
   Fail: (192) [system] arg(_747416, v('(', ')', end_of_file), e)
^  Fail: (191) [user] is_delimiter(e)
   Call: (191) [system] ')'==e
   Fail: (191) [system] ')'==e
   Call: (191) [system] get_char((0x563acd73bee0), e)
   Exit: (191) [system] get_char((0x563acd73bee0), e)
   Call: (191) [system] e=(\)
   Fail: (191) [system] e=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), _754766)
   Call: (192) [system] peek_char((0x563acd73bee0), _755700)
   Exit: (192) [system] peek_char((0x563acd73bee0), r)
^  Call: (192) [user] is_delimiter(r)
   Call: (193) [system] char_type(r, space)
   Fail: (193) [system] char_type(r, space)
   Call: (193) [system] arg(_760420, v('(', ')', end_of_file), r)
   Fail: (193) [system] arg(_761352, v('(', ')', end_of_file), r)
^  Fail: (192) [user] is_delimiter(r)
   Call: (192) [system] ')'==r
   Fail: (192) [system] ')'==r
   Call: (192) [system] get_char((0x563acd73bee0), r)
   Exit: (192) [system] get_char((0x563acd73bee0), r)
   Call: (192) [system] r=(\)
   Fail: (192) [system] r=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), _768702)
   Call: (193) [system] peek_char((0x563acd73bee0), _769636)
   Exit: (193) [system] peek_char((0x563acd73bee0), y)
^  Call: (193) [user] is_delimiter(y)
   Call: (194) [system] char_type(y, space)
   Fail: (194) [system] char_type(y, space)
   Call: (194) [system] arg(_774356, v('(', ')', end_of_file), y)
   Fail: (194) [system] arg(_775288, v('(', ')', end_of_file), y)
^  Fail: (193) [user] is_delimiter(y)
   Call: (193) [system] ')'==y
   Fail: (193) [system] ')'==y
   Call: (193) [system] get_char((0x563acd73bee0), y)
   Exit: (193) [system] get_char((0x563acd73bee0), y)
   Call: (193) [system] y=(\)
   Fail: (193) [system] y=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _782638)
   Call: (194) [system] peek_char((0x563acd73bee0), _783572)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _782638=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (193) [system] _768702=[y]
   Exit: (193) [system] [y]=[y]
^  Exit: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), [y])
   Call: (192) [system] _754766=[r, y]
   Exit: (192) [system] [r, y]=[r, y]
^  Exit: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, y])
   Call: (191) [system] _740830=[e, r, y]
   Exit: (191) [system] [e, r, y]=[e, r, y]
^  Exit: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, r, y])
   Call: (190) [system] _726894=[u, e, r, y]
   Exit: (190) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, e, r, y])
   Call: (189) [system] _712958=[q, u, e, r, y]
   Exit: (189) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), [q, u, e, r, y])
^  Call: (188) [user] classify_and_convert_charseq([$, q, u, e, r, y], _677448)
^  Call: (189) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _806826)
   Call: (190) [system] atom_chars(_807758, ['_', q, u, e, r, y])
   Exit: (190) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (189) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _query)
   Call: (189) [system] integer(_query)
   Fail: (189) [system] integer(_query)
   Call: (189) [system] _677448=_query
   Exit: (189) [system] _query=_query
^  Exit: (188) [user] classify_and_convert_charseq([$, q, u, e, r, y], _query)
^  Exit: (187) [user] read_symbolic(')', (0x563acd73bee0), $, _query)
^  Exit: (186) [user] cont_sexpr(')', (0x563acd73bee0), _query)
^  Call: (186) [user] read_list(')', (0x563acd73bee0), _817050)
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _818908)
   Exit: (188) [system] peek_char((0x563acd73bee0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x563acd73bee0), _828502)
   Exit: (188) [system] get_char((0x563acd73bee0), ' ')
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _831206)
   Exit: (189) [system] peek_char((0x563acd73bee0), $)
   Call: (189) [system] ($)=(;)
   Fail: (189) [system] ($)=(;)
   Call: (189) [system] ($)=(/)
   Fail: (189) [system] ($)=(/)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Fail: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Fail: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Fail: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
   Fail: (190) [system] char_type($, cntrl)
^  Fail: (189) [user] is_like_space($)
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _848140)
   Exit: (187) [system] peek_char((0x563acd73bee0), $)
   Call: (187) [system] ($)=')'
   Fail: (187) [system] ($)=')'
   Call: (187) [system] ($)=end_of_file
   Fail: (187) [system] ($)=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x563acd73bee0), _853710)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _855568)
   Exit: (189) [system] peek_char((0x563acd73bee0), $)
   Call: (189) [system] ($)=(;)
   Fail: (189) [system] ($)=(;)
   Call: (189) [system] ($)=(/)
   Fail: (189) [system] ($)=(/)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Fail: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Fail: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Fail: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
   Fail: (190) [system] char_type($, cntrl)
^  Fail: (189) [user] is_like_space($)
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] get_char((0x563acd73bee0), _871578)
   Exit: (188) [system] get_char((0x563acd73bee0), $)
   Call: (188) [system] ($)='('
   Fail: (188) [system] ($)='('
   Call: (188) [system] ($)='['
   Fail: (188) [system] ($)='['
   Call: (188) [system] ($)='{'
   Fail: (188) [system] ($)='{'
   Call: (188) [system] ($)='"'
   Fail: (188) [system] ($)='"'
   Call: (188) [system] ($)=!
   Fail: (188) [system] ($)=!
   Call: (188) [system] ($)='\''
   Fail: (188) [system] ($)='\''
   Call: (188) [system] ($)='`'
   Fail: (188) [system] ($)='`'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x563acd73bee0), $, _853710)
^  Call: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), _889220)
   Call: (190) [system] peek_char((0x563acd73bee0), _890154)
   Exit: (190) [system] peek_char((0x563acd73bee0), k)
^  Call: (190) [user] is_delimiter(k)
   Call: (191) [system] char_type(k, space)
   Fail: (191) [system] char_type(k, space)
   Call: (191) [system] arg(_894874, v('(', ')', end_of_file), k)
   Fail: (191) [system] arg(_895806, v('(', ')', end_of_file), k)
^  Fail: (190) [user] is_delimiter(k)
   Call: (190) [system] ')'==k
   Fail: (190) [system] ')'==k
   Call: (190) [system] get_char((0x563acd73bee0), k)
   Exit: (190) [system] get_char((0x563acd73bee0), k)
   Call: (190) [system] k=(\)
   Fail: (190) [system] k=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), _903156)
   Call: (191) [system] peek_char((0x563acd73bee0), _904090)
   Exit: (191) [system] peek_char((0x563acd73bee0), b)
^  Call: (191) [user] is_delimiter(b)
   Call: (192) [system] char_type(b, space)
   Fail: (192) [system] char_type(b, space)
   Call: (192) [system] arg(_908810, v('(', ')', end_of_file), b)
   Fail: (192) [system] arg(_909742, v('(', ')', end_of_file), b)
^  Fail: (191) [user] is_delimiter(b)
   Call: (191) [system] ')'==b
   Fail: (191) [system] ')'==b
   Call: (191) [system] get_char((0x563acd73bee0), b)
   Exit: (191) [system] get_char((0x563acd73bee0), b)
   Call: (191) [system] b=(\)
   Fail: (191) [system] b=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), _917092)
   Call: (192) [system] peek_char((0x563acd73bee0), _918026)
   Exit: (192) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _917092=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (191) [system] _903156=[b]
   Exit: (191) [system] [b]=[b]
^  Exit: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
   Call: (190) [system] _889220=[k, b]
   Exit: (190) [system] [k, b]=[k, b]
^  Exit: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), [k, b])
^  Call: (189) [user] classify_and_convert_charseq([$, k, b], _853710)
^  Call: (190) [user] classify_and_convert_charseq_([$, k, b], _932898)
   Call: (191) [system] atom_chars(_933830, ['_', k, b])
   Exit: (191) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (190) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (190) [system] integer(_kb)
   Fail: (190) [system] integer(_kb)
   Call: (190) [system] _853710=_kb
   Exit: (190) [system] _kb=_kb
^  Exit: (189) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (188) [user] read_symbolic(')', (0x563acd73bee0), $, _kb)
^  Exit: (187) [user] cont_sexpr(')', (0x563acd73bee0), _kb)
^  Call: (187) [user] read_list(')', (0x563acd73bee0), _943122)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _944980)
   Exit: (189) [system] peek_char((0x563acd73bee0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x563acd73bee0), _954574)
   Exit: (189) [system] get_char((0x563acd73bee0), ' ')
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _957278)
   Exit: (190) [system] peek_char((0x563acd73bee0), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
   Call: (190) [system] ($)=(/)
   Fail: (190) [system] ($)=(/)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _974212)
   Exit: (188) [system] peek_char((0x563acd73bee0), $)
   Call: (188) [system] ($)=')'
   Fail: (188) [system] ($)=')'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x563acd73bee0), _979782)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _981640)
   Exit: (190) [system] peek_char((0x563acd73bee0), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
   Call: (190) [system] ($)=(/)
   Fail: (190) [system] ($)=(/)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] get_char((0x563acd73bee0), _997650)
   Exit: (189) [system] get_char((0x563acd73bee0), $)
   Call: (189) [system] ($)='('
   Fail: (189) [system] ($)='('
   Call: (189) [system] ($)='['
   Fail: (189) [system] ($)='['
   Call: (189) [system] ($)='{'
   Fail: (189) [system] ($)='{'
   Call: (189) [system] ($)='"'
   Fail: (189) [system] ($)='"'
   Call: (189) [system] ($)=!
   Fail: (189) [system] ($)=!
   Call: (189) [system] ($)='\''
   Fail: (189) [system] ($)='\''
   Call: (189) [system] ($)='`'
   Fail: (189) [system] ($)='`'
   Call: (189) [system] ($)=end_of_file
   Fail: (189) [system] ($)=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x563acd73bee0), $, _979782)
^  Call: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), _1015292)
   Call: (191) [system] peek_char((0x563acd73bee0), _1016226)
   Exit: (191) [system] peek_char((0x563acd73bee0), r)
^  Call: (191) [user] is_delimiter(r)
   Call: (192) [system] char_type(r, space)
   Fail: (192) [system] char_type(r, space)
   Call: (192) [system] arg(_1020946, v('(', ')', end_of_file), r)
   Fail: (192) [system] arg(_1021878, v('(', ')', end_of_file), r)
^  Fail: (191) [user] is_delimiter(r)
   Call: (191) [system] ')'==r
   Fail: (191) [system] ')'==r
   Call: (191) [system] get_char((0x563acd73bee0), r)
   Exit: (191) [system] get_char((0x563acd73bee0), r)
   Call: (191) [system] r=(\)
   Fail: (191) [system] r=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), _1029228)
   Call: (192) [system] peek_char((0x563acd73bee0), _1030162)
   Exit: (192) [system] peek_char((0x563acd73bee0), b)
^  Call: (192) [user] is_delimiter(b)
   Call: (193) [system] char_type(b, space)
   Fail: (193) [system] char_type(b, space)
   Call: (193) [system] arg(_1034882, v('(', ')', end_of_file), b)
   Fail: (193) [system] arg(_1035814, v('(', ')', end_of_file), b)
^  Fail: (192) [user] is_delimiter(b)
   Call: (192) [system] ')'==b
   Fail: (192) [system] ')'==b
   Call: (192) [system] get_char((0x563acd73bee0), b)
   Exit: (192) [system] get_char((0x563acd73bee0), b)
   Call: (192) [system] b=(\)
   Fail: (192) [system] b=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), _1043164)
   Call: (193) [system] peek_char((0x563acd73bee0), _1044098)
   Exit: (193) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (193) [user] is_delimiter(' ')
   Call: (194) [system] char_type(' ', space)
   Exit: (194) [system] char_type(' ', space)
^  Exit: (193) [user] is_delimiter(' ')
   Call: (193) [system] _1043164=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (192) [system] _1029228=[b]
   Exit: (192) [system] [b]=[b]
^  Exit: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
   Call: (191) [system] _1015292=[r, b]
   Exit: (191) [system] [r, b]=[r, b]
^  Exit: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, b])
^  Call: (190) [user] classify_and_convert_charseq([$, r, b], _979782)
^  Call: (191) [user] classify_and_convert_charseq_([$, r, b], _1058970)
   Call: (192) [system] atom_chars(_1059902, ['_', r, b])
   Exit: (192) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (191) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (191) [system] integer(_rb)
   Fail: (191) [system] integer(_rb)
   Call: (191) [system] _979782=_rb
   Exit: (191) [system] _rb=_rb
^  Exit: (190) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (189) [user] read_symbolic(')', (0x563acd73bee0), $, _rb)
^  Exit: (188) [user] cont_sexpr(')', (0x563acd73bee0), _rb)
^  Call: (188) [user] read_list(')', (0x563acd73bee0), _1069194)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1071052)
   Exit: (190) [system] peek_char((0x563acd73bee0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x563acd73bee0), _1080646)
   Exit: (190) [system] get_char((0x563acd73bee0), ' ')
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _1083350)
   Exit: (191) [system] peek_char((0x563acd73bee0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1100284)
   Exit: (189) [system] peek_char((0x563acd73bee0), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x563acd73bee0), _1105854)
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _1107712)
   Exit: (191) [system] peek_char((0x563acd73bee0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] get_char((0x563acd73bee0), _1123722)
   Exit: (190) [system] get_char((0x563acd73bee0), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x563acd73bee0), _1105854)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1129292)
   Exit: (192) [system] peek_char((0x563acd73bee0), 'S')
   Call: (192) [system] 'S'=(;)
   Fail: (192) [system] 'S'=(;)
   Call: (192) [system] 'S'=(/)
   Fail: (192) [system] 'S'=(/)
^  Call: (192) [user] is_like_space('S')
   Call: (193) [system] char_type('S', 'white')
   Fail: (193) [system] char_type('S', 'white')
   Call: (193) [system] char_type('S', end_of_line)
   Fail: (193) [system] char_type('S', end_of_line)
   Call: (193) [system] char_type('S', space)
   Fail: (193) [system] char_type('S', space)
   Call: (193) [system] char_type('S', cntrl)
   Fail: (193) [system] char_type('S', cntrl)
^  Fail: (192) [user] is_like_space('S')
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _1145302)
   Exit: (191) [system] peek_char((0x563acd73bee0), 'S')
   Call: (191) [system] 'S'=')'
   Fail: (191) [system] 'S'=')'
   Call: (191) [system] 'S'=end_of_file
   Fail: (191) [system] 'S'=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x563acd73bee0), _1150872)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1152730)
   Exit: (193) [system] peek_char((0x563acd73bee0), 'S')
   Call: (193) [system] 'S'=(;)
   Fail: (193) [system] 'S'=(;)
   Call: (193) [system] 'S'=(/)
   Fail: (193) [system] 'S'=(/)
^  Call: (193) [user] is_like_space('S')
   Call: (194) [system] char_type('S', 'white')
   Fail: (194) [system] char_type('S', 'white')
   Call: (194) [system] char_type('S', end_of_line)
   Fail: (194) [system] char_type('S', end_of_line)
   Call: (194) [system] char_type('S', space)
   Fail: (194) [system] char_type('S', space)
   Call: (194) [system] char_type('S', cntrl)
   Fail: (194) [system] char_type('S', cntrl)
^  Fail: (193) [user] is_like_space('S')
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] get_char((0x563acd73bee0), _1168740)
   Exit: (192) [system] get_char((0x563acd73bee0), 'S')
   Call: (192) [system] 'S'='('
   Fail: (192) [system] 'S'='('
   Call: (192) [system] 'S'='['
   Fail: (192) [system] 'S'='['
   Call: (192) [system] 'S'='{'
   Fail: (192) [system] 'S'='{'
   Call: (192) [system] 'S'='"'
   Fail: (192) [system] 'S'='"'
   Call: (192) [system] 'S'=!
   Fail: (192) [system] 'S'=!
   Call: (192) [system] 'S'='\''
   Fail: (192) [system] 'S'='\''
   Call: (192) [system] 'S'='`'
   Fail: (192) [system] 'S'='`'
   Call: (192) [system] 'S'=end_of_file
   Fail: (192) [system] 'S'=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x563acd73bee0), 'S', _1150872)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _1186382)
   Call: (194) [system] peek_char((0x563acd73bee0), _1187316)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _1186382=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (193) [user] classify_and_convert_charseq(['S'], _1150872)
^  Call: (194) [user] classify_and_convert_charseq_(['S'], _1196600)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_1197552, _1197554), once(user:catch(read_from_chars(['S'], _1196600), _1197534, fail)), '$restore_trace'(_1197552, _1197554))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_1197552, _1197554))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['S'], _1196600), _1197534, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(_1196600)
   Fail: (195) [system] atomic(_1196600)
   Call: (195) [system] atom_chars(_1196600, ['S'])
   Exit: (195) [system] atom_chars('S', ['S'])
^  Exit: (194) [user] classify_and_convert_charseq_(['S'], 'S')
   Call: (194) [system] integer('S')
   Fail: (194) [system] integer('S')
   Call: (194) [system] _1150872='S'
   Exit: (194) [system] 'S'='S'
^  Exit: (193) [user] classify_and_convert_charseq(['S'], 'S')
^  Exit: (192) [user] read_symbolic(')', (0x563acd73bee0), 'S', 'S')
^  Exit: (191) [user] cont_sexpr(')', (0x563acd73bee0), 'S')
^  Call: (191) [user] read_list(')', (0x563acd73bee0), _1211550)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1213408)
   Exit: (193) [system] peek_char((0x563acd73bee0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x563acd73bee0), _1223002)
   Exit: (193) [system] get_char((0x563acd73bee0), ' ')
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1225706)
   Exit: (194) [system] peek_char((0x563acd73bee0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1242640)
   Exit: (192) [system] peek_char((0x563acd73bee0), $)
   Call: (192) [system] ($)=')'
   Fail: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x563acd73bee0), _1248210)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1250068)
   Exit: (194) [system] peek_char((0x563acd73bee0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] get_char((0x563acd73bee0), _1266078)
   Exit: (193) [system] get_char((0x563acd73bee0), $)
   Call: (193) [system] ($)='('
   Fail: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Fail: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Fail: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Fail: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Fail: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Fail: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Fail: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x563acd73bee0), $, _1248210)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _1283720)
   Call: (195) [system] peek_char((0x563acd73bee0), _1284654)
   Exit: (195) [system] peek_char((0x563acd73bee0), k)
^  Call: (195) [user] is_delimiter(k)
   Call: (196) [system] char_type(k, space)
   Fail: (196) [system] char_type(k, space)
   Call: (196) [system] arg(_1289374, v('(', ')', end_of_file), k)
   Fail: (196) [system] arg(_1290306, v('(', ')', end_of_file), k)
^  Fail: (195) [user] is_delimiter(k)
   Call: (195) [system] ')'==k
   Fail: (195) [system] ')'==k
   Call: (195) [system] get_char((0x563acd73bee0), k)
   Exit: (195) [system] get_char((0x563acd73bee0), k)
   Call: (195) [system] k=(\)
   Fail: (195) [system] k=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _1297656)
   Call: (196) [system] peek_char((0x563acd73bee0), _1298590)
   Exit: (196) [system] peek_char((0x563acd73bee0), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_1303310, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _1297656=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (195) [system] _1283720=[k]
   Exit: (195) [system] [k]=[k]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
^  Call: (194) [user] classify_and_convert_charseq([$, k], _1248210)
^  Call: (195) [user] classify_and_convert_charseq_([$, k], _1312540)
   Call: (196) [system] atom_chars(_1313472, ['_', k])
   Exit: (196) [system] atom_chars('_k', ['_', k])
^  Exit: (195) [user] classify_and_convert_charseq_([$, k], _k)
   Call: (195) [system] integer(_k)
   Fail: (195) [system] integer(_k)
   Call: (195) [system] _1248210=_k
   Exit: (195) [system] _k=_k
^  Exit: (194) [user] classify_and_convert_charseq([$, k], _k)
^  Exit: (193) [user] read_symbolic(')', (0x563acd73bee0), $, _k)
^  Exit: (192) [user] cont_sexpr(')', (0x563acd73bee0), _k)
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _1322764)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1324622)
   Exit: (194) [system] peek_char((0x563acd73bee0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
   Call: (194) [system] ')'=(/)
   Fail: (194) [system] ')'=(/)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1340632)
   Exit: (193) [system] peek_char((0x563acd73bee0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x563acd73bee0), _1344422)
   Exit: (193) [system] get_char((0x563acd73bee0), ')')
   Call: (193) [system] _1322764=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), [])
   Call: (192) [system] _1211550=[_k]
   Exit: (192) [system] [_k]=[_k]
^  Exit: (191) [user] read_list(')', (0x563acd73bee0), [_k])
   Call: (191) [system] _1105854=['S', _k]
   Exit: (191) [system] ['S', _k]=['S', _k]
^  Exit: (190) [user] read_list(')', (0x563acd73bee0), ['S', _k])
^  Exit: (189) [user] cont_sexpr(')', (0x563acd73bee0), ['S', _k])
^  Call: (189) [user] read_list(')', (0x563acd73bee0), _1355510)
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _1357368)
   Exit: (191) [system] peek_char((0x563acd73bee0), ')')
   Call: (191) [system] ')'=(;)
   Fail: (191) [system] ')'=(;)
   Call: (191) [system] ')'=(/)
   Fail: (191) [system] ')'=(/)
^  Call: (191) [user] is_like_space(')')
   Call: (192) [system] char_type(')', 'white')
   Fail: (192) [system] char_type(')', 'white')
   Call: (192) [system] char_type(')', end_of_line)
   Fail: (192) [system] char_type(')', end_of_line)
   Call: (192) [system] char_type(')', space)
   Fail: (192) [system] char_type(')', space)
   Call: (192) [system] char_type(')', cntrl)
   Fail: (192) [system] char_type(')', cntrl)
^  Fail: (191) [user] is_like_space(')')
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1373378)
   Exit: (190) [system] peek_char((0x563acd73bee0), ')')
   Call: (190) [system] ')'=')'
   Exit: (190) [system] ')'=')'
   Call: (190) [system] get_char((0x563acd73bee0), _1377168)
   Exit: (190) [system] get_char((0x563acd73bee0), ')')
   Call: (190) [system] _1355510=[]
   Exit: (190) [system] []=[]
^  Exit: (189) [user] read_list(')', (0x563acd73bee0), [])
   Call: (189) [system] _1069194=[['S', _k]]
   Exit: (189) [system] [['S', _k]]=[['S', _k]]
^  Exit: (188) [user] read_list(')', (0x563acd73bee0), [['S', _k]])
   Call: (188) [system] _943122=[_rb, ['S', _k]]
   Exit: (188) [system] [_rb, ['S', _k]]=[_rb, ['S', _k]]
^  Exit: (187) [user] read_list(')', (0x563acd73bee0), [_rb, ['S', _k]])
   Call: (187) [system] _817050=[_kb, _rb, ['S', _k]]
   Exit: (187) [system] [_kb, _rb, ['S', _k]]=[_kb, _rb, ['S', _k]]
^  Exit: (186) [user] read_list(')', (0x563acd73bee0), [_kb, _rb, ['S', _k]])
   Call: (186) [system] _640788=[_query, _kb, _rb, ['S', _k]]
   Exit: (186) [system] [_query, _kb, _rb, ['S', _k]]=[_query, _kb, _rb, ['S', _k]]
^  Exit: (185) [user] read_list(')', (0x563acd73bee0), [_query, _kb, _rb, ['S', _k]])
   Call: (185) [system] _386392=[synthesize, _query, _kb, _rb, ['S', _k]]
   Exit: (185) [system] [synthesize, _query, _kb, _rb, ['S', _k]]=[synthesize, _query, _kb, _rb, ['S', _k]]
^  Exit: (184) [user] read_list(')', (0x563acd73bee0), [synthesize, _query, _kb, _rb, ['S', _k]])
^  Exit: (183) [user] cont_sexpr(')', (0x563acd73bee0), [synthesize, _query, _kb, _rb, ['S', _k]])
^  Call: (183) [user] read_list(')', (0x563acd73bee0), _1396638)
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _1398496)
   Exit: (185) [system] peek_char((0x563acd73bee0), '\n')
   Call: (185) [system] '\n'=(;)
   Fail: (185) [system] '\n'=(;)
   Call: (185) [system] '\n'=(/)
   Fail: (185) [system] '\n'=(/)
^  Call: (185) [user] is_like_space('\n')
   Call: (186) [system] char_type('\n', 'white')
   Fail: (186) [system] char_type('\n', 'white')
   Call: (186) [system] char_type('\n', end_of_line)
   Exit: (186) [system] char_type('\n', end_of_line)
^  Exit: (185) [user] is_like_space('\n')
   Call: (185) [system] get_char((0x563acd73bee0), _1409946)
   Exit: (185) [system] get_char((0x563acd73bee0), '\n')
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1412650)
   Exit: (186) [system] peek_char((0x563acd73bee0), ' ')
   Call: (186) [system] ' '=(;)
   Fail: (186) [system] ' '=(;)
   Call: (186) [system] ' '=(/)
   Fail: (186) [system] ' '=(/)
^  Call: (186) [user] is_like_space(' ')
   Call: (187) [system] char_type(' ', 'white')
   Exit: (187) [system] char_type(' ', 'white')
^  Exit: (186) [user] is_like_space(' ')
   Call: (186) [system] get_char((0x563acd73bee0), _1422244)
   Exit: (186) [system] get_char((0x563acd73bee0), ' ')
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _1424948)
   Exit: (187) [system] peek_char((0x563acd73bee0), ' ')
   Call: (187) [system] ' '=(;)
   Fail: (187) [system] ' '=(;)
   Call: (187) [system] ' '=(/)
   Fail: (187) [system] ' '=(/)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x563acd73bee0), _1434542)
   Exit: (187) [system] get_char((0x563acd73bee0), ' ')
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _1437246)
   Exit: (188) [system] peek_char((0x563acd73bee0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x563acd73bee0), _1446840)
   Exit: (188) [system] get_char((0x563acd73bee0), ' ')
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1449544)
   Exit: (189) [system] peek_char((0x563acd73bee0), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
   Call: (189) [system] '('=(/)
   Fail: (189) [system] '('=(/)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _1469250)
   Exit: (184) [system] peek_char((0x563acd73bee0), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x563acd73bee0), _1474820)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1476678)
   Exit: (186) [system] peek_char((0x563acd73bee0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] get_char((0x563acd73bee0), _1492688)
   Exit: (185) [system] get_char((0x563acd73bee0), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x563acd73bee0), _1474820)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _1498258)
   Exit: (187) [system] peek_char((0x563acd73bee0), l)
   Call: (187) [system] l=(;)
   Fail: (187) [system] l=(;)
   Call: (187) [system] l=(/)
   Fail: (187) [system] l=(/)
^  Call: (187) [user] is_like_space(l)
   Call: (188) [system] char_type(l, 'white')
   Fail: (188) [system] char_type(l, 'white')
   Call: (188) [system] char_type(l, end_of_line)
   Fail: (188) [system] char_type(l, end_of_line)
   Call: (188) [system] char_type(l, space)
   Fail: (188) [system] char_type(l, space)
   Call: (188) [system] char_type(l, cntrl)
   Fail: (188) [system] char_type(l, cntrl)
^  Fail: (187) [user] is_like_space(l)
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1514268)
   Exit: (186) [system] peek_char((0x563acd73bee0), l)
   Call: (186) [system] l=')'
   Fail: (186) [system] l=')'
   Call: (186) [system] l=end_of_file
   Fail: (186) [system] l=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x563acd73bee0), _1519838)
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _1521696)
   Exit: (188) [system] peek_char((0x563acd73bee0), l)
   Call: (188) [system] l=(;)
   Fail: (188) [system] l=(;)
   Call: (188) [system] l=(/)
   Fail: (188) [system] l=(/)
^  Call: (188) [user] is_like_space(l)
   Call: (189) [system] char_type(l, 'white')
   Fail: (189) [system] char_type(l, 'white')
   Call: (189) [system] char_type(l, end_of_line)
   Fail: (189) [system] char_type(l, end_of_line)
   Call: (189) [system] char_type(l, space)
   Fail: (189) [system] char_type(l, space)
   Call: (189) [system] char_type(l, cntrl)
   Fail: (189) [system] char_type(l, cntrl)
^  Fail: (188) [user] is_like_space(l)
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] get_char((0x563acd73bee0), _1537706)
   Exit: (187) [system] get_char((0x563acd73bee0), l)
   Call: (187) [system] l='('
   Fail: (187) [system] l='('
   Call: (187) [system] l='['
   Fail: (187) [system] l='['
   Call: (187) [system] l='{'
   Fail: (187) [system] l='{'
   Call: (187) [system] l='"'
   Fail: (187) [system] l='"'
   Call: (187) [system] l=!
   Fail: (187) [system] l=!
   Call: (187) [system] l='\''
   Fail: (187) [system] l='\''
   Call: (187) [system] l='`'
   Fail: (187) [system] l='`'
   Call: (187) [system] l=end_of_file
   Fail: (187) [system] l=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x563acd73bee0), l, _1519838)
^  Call: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), _1555348)
   Call: (189) [system] peek_char((0x563acd73bee0), _1556282)
   Exit: (189) [system] peek_char((0x563acd73bee0), e)
^  Call: (189) [user] is_delimiter(e)
   Call: (190) [system] char_type(e, space)
   Fail: (190) [system] char_type(e, space)
   Call: (190) [system] arg(_1561002, v('(', ')', end_of_file), e)
   Fail: (190) [system] arg(_1561934, v('(', ')', end_of_file), e)
^  Fail: (189) [user] is_delimiter(e)
   Call: (189) [system] ')'==e
   Fail: (189) [system] ')'==e
   Call: (189) [system] get_char((0x563acd73bee0), e)
   Exit: (189) [system] get_char((0x563acd73bee0), e)
   Call: (189) [system] e=(\)
   Fail: (189) [system] e=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), _1569284)
   Call: (190) [system] peek_char((0x563acd73bee0), _1570218)
   Exit: (190) [system] peek_char((0x563acd73bee0), t)
^  Call: (190) [user] is_delimiter(t)
   Call: (191) [system] char_type(t, space)
   Fail: (191) [system] char_type(t, space)
   Call: (191) [system] arg(_1574938, v('(', ')', end_of_file), t)
   Fail: (191) [system] arg(_1575870, v('(', ')', end_of_file), t)
^  Fail: (190) [user] is_delimiter(t)
   Call: (190) [system] ')'==t
   Fail: (190) [system] ')'==t
   Call: (190) [system] get_char((0x563acd73bee0), t)
   Exit: (190) [system] get_char((0x563acd73bee0), t)
   Call: (190) [system] t=(\)
   Fail: (190) [system] t=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), _1583220)
   Call: (191) [system] peek_char((0x563acd73bee0), _1584154)
   Exit: (191) [system] peek_char((0x563acd73bee0), *)
^  Call: (191) [user] is_delimiter(*)
   Call: (192) [system] char_type(*, space)
   Fail: (192) [system] char_type(*, space)
   Call: (192) [system] arg(_1588874, v('(', ')', end_of_file), *)
   Fail: (192) [system] arg(_1589806, v('(', ')', end_of_file), *)
^  Fail: (191) [user] is_delimiter(*)
   Call: (191) [system] ')'==(*)
   Fail: (191) [system] ')'==(*)
   Call: (191) [system] get_char((0x563acd73bee0), *)
   Exit: (191) [system] get_char((0x563acd73bee0), *)
   Call: (191) [system] (*)=(\)
   Fail: (191) [system] (*)=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), _1597156)
   Call: (192) [system] peek_char((0x563acd73bee0), _1598090)
   Exit: (192) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _1597156=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (191) [system] _1583220=[*]
   Exit: (191) [system] [*]=[*]
^  Exit: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), [*])
   Call: (190) [system] _1569284=[t, *]
   Exit: (190) [system] [t, *]=[t, *]
^  Exit: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, *])
   Call: (189) [system] _1555348=[e, t, *]
   Exit: (189) [system] [e, t, *]=[e, t, *]
^  Exit: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, t, *])
^  Call: (188) [user] classify_and_convert_charseq([l, e, t, *], _1519838)
^  Call: (189) [user] classify_and_convert_charseq_([l, e, t, *], _1615756)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_1616708, _1616710), once(user:catch(read_from_chars([l, e, t, *], _1615756), _1616690, fail)), '$restore_trace'(_1616708, _1616710))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_1616708, _1616710))
   Call: (190) [system] atom_chars(_3460, [l, e, t, *])
   Exit: (190) [system] atom_chars('let*', [l, e, t, *])
^  Exit: (189) [user] classify_and_convert_charseq_([l, e, t, *], 'let*')
   Call: (189) [system] integer('let*')
   Fail: (189) [system] integer('let*')
   Call: (189) [system] _3430='let*'
   Exit: (189) [system] 'let*'='let*'
^  Exit: (188) [user] classify_and_convert_charseq([l, e, t, *], 'let*')
^  Exit: (187) [user] read_symbolic(')', (0x563acd73bee0), l, 'let*')
^  Exit: (186) [user] cont_sexpr(')', (0x563acd73bee0), 'let*')
^  Call: (186) [user] read_list(')', (0x563acd73bee0), _12826)
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _14684)
   Exit: (188) [system] peek_char((0x563acd73bee0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x563acd73bee0), _24278)
   Exit: (188) [system] get_char((0x563acd73bee0), ' ')
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _26982)
   Exit: (189) [system] peek_char((0x563acd73bee0), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
   Call: (189) [system] '('=(/)
   Fail: (189) [system] '('=(/)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _43916)
   Exit: (187) [system] peek_char((0x563acd73bee0), '(')
   Call: (187) [system] '('=')'
   Fail: (187) [system] '('=')'
   Call: (187) [system] '('=end_of_file
   Fail: (187) [system] '('=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x563acd73bee0), _49486)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _51344)
   Exit: (189) [system] peek_char((0x563acd73bee0), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
   Call: (189) [system] '('=(/)
   Fail: (189) [system] '('=(/)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] get_char((0x563acd73bee0), _67354)
   Exit: (188) [system] get_char((0x563acd73bee0), '(')
   Call: (188) [system] '('='('
   Exit: (188) [system] '('='('
^  Call: (188) [user] read_list(')', (0x563acd73bee0), _49486)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _72924)
   Exit: (190) [system] peek_char((0x563acd73bee0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _88934)
   Exit: (189) [system] peek_char((0x563acd73bee0), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x563acd73bee0), _94504)
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _96362)
   Exit: (191) [system] peek_char((0x563acd73bee0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] get_char((0x563acd73bee0), _112372)
   Exit: (190) [system] get_char((0x563acd73bee0), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x563acd73bee0), _94504)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _117942)
   Exit: (192) [system] peek_char((0x563acd73bee0), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
   Call: (192) [system] '('=(/)
   Fail: (192) [system] '('=(/)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _133952)
   Exit: (191) [system] peek_char((0x563acd73bee0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x563acd73bee0), _139522)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _141380)
   Exit: (193) [system] peek_char((0x563acd73bee0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] get_char((0x563acd73bee0), _157390)
   Exit: (192) [system] get_char((0x563acd73bee0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _139522)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _162960)
   Exit: (194) [system] peek_char((0x563acd73bee0), :)
   Call: (194) [system] (:)=(;)
   Fail: (194) [system] (:)=(;)
   Call: (194) [system] (:)=(/)
   Fail: (194) [system] (:)=(/)
^  Call: (194) [user] is_like_space(:)
   Call: (195) [system] char_type(:, 'white')
   Fail: (195) [system] char_type(:, 'white')
   Call: (195) [system] char_type(:, end_of_line)
   Fail: (195) [system] char_type(:, end_of_line)
   Call: (195) [system] char_type(:, space)
   Fail: (195) [system] char_type(:, space)
   Call: (195) [system] char_type(:, cntrl)
   Fail: (195) [system] char_type(:, cntrl)
^  Fail: (194) [user] is_like_space(:)
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _178970)
   Exit: (193) [system] peek_char((0x563acd73bee0), :)
   Call: (193) [system] (:)=')'
   Fail: (193) [system] (:)=')'
   Call: (193) [system] (:)=end_of_file
   Fail: (193) [system] (:)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x563acd73bee0), _184540)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _186398)
   Exit: (195) [system] peek_char((0x563acd73bee0), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
   Call: (195) [system] (:)=(/)
   Fail: (195) [system] (:)=(/)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] get_char((0x563acd73bee0), _202408)
   Exit: (194) [system] get_char((0x563acd73bee0), :)
   Call: (194) [system] (:)='('
   Fail: (194) [system] (:)='('
   Call: (194) [system] (:)='['
   Fail: (194) [system] (:)='['
   Call: (194) [system] (:)='{'
   Fail: (194) [system] (:)='{'
   Call: (194) [system] (:)='"'
   Fail: (194) [system] (:)='"'
   Call: (194) [system] (:)=!
   Fail: (194) [system] (:)=!
   Call: (194) [system] (:)='\''
   Fail: (194) [system] (:)='\''
   Call: (194) [system] (:)='`'
   Fail: (194) [system] (:)='`'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x563acd73bee0), :, _184540)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _220050)
   Call: (196) [system] peek_char((0x563acd73bee0), _220984)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _220050=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (195) [user] classify_and_convert_charseq([:], _184540)
^  Call: (196) [user] classify_and_convert_charseq_([:], _230268)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_231220, _231222), once(user:catch(read_from_chars([:], _230268), _231202, fail)), '$restore_trace'(_231220, _231222))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_231220, _231222))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _231202, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(:)
   Exit: (197) [system] atomic(:)
^  Exit: (196) [user] classify_and_convert_charseq_([:], :)
   Call: (196) [system] integer(:)
   Fail: (196) [system] integer(:)
   Call: (196) [system] _184540=(:)
   Exit: (196) [system] (:)=(:)
^  Exit: (195) [user] classify_and_convert_charseq([:], :)
^  Exit: (194) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (193) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _243348)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _245206)
   Exit: (195) [system] peek_char((0x563acd73bee0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x563acd73bee0), _254800)
   Exit: (195) [system] get_char((0x563acd73bee0), ' ')
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _257504)
   Exit: (196) [system] peek_char((0x563acd73bee0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _274438)
   Exit: (194) [system] peek_char((0x563acd73bee0), $)
   Call: (194) [system] ($)=')'
   Fail: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x563acd73bee0), _280008)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _281866)
   Exit: (196) [system] peek_char((0x563acd73bee0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] get_char((0x563acd73bee0), _297876)
   Exit: (195) [system] get_char((0x563acd73bee0), $)
   Call: (195) [system] ($)='('
   Fail: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Fail: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Fail: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Fail: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Fail: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Fail: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Fail: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x563acd73bee0), $, _280008)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _315518)
   Call: (197) [system] peek_char((0x563acd73bee0), _316452)
   Exit: (197) [system] peek_char((0x563acd73bee0), r)
^  Call: (197) [user] is_delimiter(r)
   Call: (198) [system] char_type(r, space)
   Fail: (198) [system] char_type(r, space)
   Call: (198) [system] arg(_321172, v('(', ')', end_of_file), r)
   Fail: (198) [system] arg(_322104, v('(', ')', end_of_file), r)
^  Fail: (197) [user] is_delimiter(r)
   Call: (197) [system] ')'==r
   Fail: (197) [system] ')'==r
   Call: (197) [system] get_char((0x563acd73bee0), r)
   Exit: (197) [system] get_char((0x563acd73bee0), r)
   Call: (197) [system] r=(\)
   Fail: (197) [system] r=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _329454)
   Call: (198) [system] peek_char((0x563acd73bee0), _330388)
   Exit: (198) [system] peek_char((0x563acd73bee0), u)
^  Call: (198) [user] is_delimiter(u)
   Call: (199) [system] char_type(u, space)
   Fail: (199) [system] char_type(u, space)
   Call: (199) [system] arg(_335108, v('(', ')', end_of_file), u)
   Fail: (199) [system] arg(_336040, v('(', ')', end_of_file), u)
^  Fail: (198) [user] is_delimiter(u)
   Call: (198) [system] ')'==u
   Fail: (198) [system] ')'==u
   Call: (198) [system] get_char((0x563acd73bee0), u)
   Exit: (198) [system] get_char((0x563acd73bee0), u)
   Call: (198) [system] u=(\)
   Fail: (198) [system] u=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _343390)
   Call: (199) [system] peek_char((0x563acd73bee0), _344324)
   Exit: (199) [system] peek_char((0x563acd73bee0), c)
^  Call: (199) [user] is_delimiter(c)
   Call: (200) [system] char_type(c, space)
   Fail: (200) [system] char_type(c, space)
   Call: (200) [system] arg(_349044, v('(', ')', end_of_file), c)
   Fail: (200) [system] arg(_349976, v('(', ')', end_of_file), c)
^  Fail: (199) [user] is_delimiter(c)
   Call: (199) [system] ')'==c
   Fail: (199) [system] ')'==c
   Call: (199) [system] get_char((0x563acd73bee0), c)
   Exit: (199) [system] get_char((0x563acd73bee0), c)
   Call: (199) [system] c=(\)
   Fail: (199) [system] c=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _357326)
   Call: (200) [system] peek_char((0x563acd73bee0), _358260)
   Exit: (200) [system] peek_char((0x563acd73bee0), t)
^  Call: (200) [user] is_delimiter(t)
   Call: (201) [system] char_type(t, space)
   Fail: (201) [system] char_type(t, space)
   Call: (201) [system] arg(_362980, v('(', ')', end_of_file), t)
   Fail: (201) [system] arg(_363912, v('(', ')', end_of_file), t)
^  Fail: (200) [user] is_delimiter(t)
   Call: (200) [system] ')'==t
   Fail: (200) [system] ')'==t
   Call: (200) [system] get_char((0x563acd73bee0), t)
   Exit: (200) [system] get_char((0x563acd73bee0), t)
   Call: (200) [system] t=(\)
   Fail: (200) [system] t=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _371262)
   Call: (201) [system] peek_char((0x563acd73bee0), _372196)
   Exit: (201) [system] peek_char((0x563acd73bee0), o)
^  Call: (201) [user] is_delimiter(o)
   Call: (202) [system] char_type(o, space)
   Fail: (202) [system] char_type(o, space)
   Call: (202) [system] arg(_376916, v('(', ')', end_of_file), o)
   Fail: (202) [system] arg(_377848, v('(', ')', end_of_file), o)
^  Fail: (201) [user] is_delimiter(o)
   Call: (201) [system] ')'==o
   Fail: (201) [system] ')'==o
   Call: (201) [system] get_char((0x563acd73bee0), o)
   Exit: (201) [system] get_char((0x563acd73bee0), o)
   Call: (201) [system] o=(\)
   Fail: (201) [system] o=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _385198)
   Call: (202) [system] peek_char((0x563acd73bee0), _386132)
   Exit: (202) [system] peek_char((0x563acd73bee0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_390852, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_391784, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x563acd73bee0), r)
   Exit: (202) [system] get_char((0x563acd73bee0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _399134)
   Call: (203) [system] peek_char((0x563acd73bee0), _400068)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _399134=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (202) [system] _385198=[r]
   Exit: (202) [system] [r]=[r]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [r])
   Call: (201) [system] _371262=[o, r]
   Exit: (201) [system] [o, r]=[o, r]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, r])
   Call: (200) [system] _357326=[t, o, r]
   Exit: (200) [system] [t, o, r]=[t, o, r]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, o, r])
   Call: (199) [system] _343390=[c, t, o, r]
   Exit: (199) [system] [c, t, o, r]=[c, t, o, r]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, o, r])
   Call: (198) [system] _329454=[u, c, t, o, r]
   Exit: (198) [system] [u, c, t, o, r]=[u, c, t, o, r]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, o, r])
   Call: (197) [system] _315518=[r, u, c, t, o, r]
   Exit: (197) [system] [r, u, c, t, o, r]=[r, u, c, t, o, r]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, u, c, t, o, r])
^  Call: (196) [user] classify_and_convert_charseq([$, r, u, c, t, o, r], _280008)
^  Call: (197) [user] classify_and_convert_charseq_([$, r, u, c, t, o, r], _426116)
   Call: (198) [system] atom_chars(_427048, ['_', r, u, c, t, o, r])
   Exit: (198) [system] atom_chars('_ructor', ['_', r, u, c, t, o, r])
^  Exit: (197) [user] classify_and_convert_charseq_([$, r, u, c, t, o, r], _ructor)
   Call: (197) [system] integer(_ructor)
   Fail: (197) [system] integer(_ructor)
   Call: (197) [system] _280008=_ructor
   Exit: (197) [system] _ructor=_ructor
^  Exit: (196) [user] classify_and_convert_charseq([$, r, u, c, t, o, r], _ructor)
^  Exit: (195) [user] read_symbolic(')', (0x563acd73bee0), $, _ructor)
^  Exit: (194) [user] cont_sexpr(')', (0x563acd73bee0), _ructor)
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _436340)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _438198)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x563acd73bee0), _447792)
   Exit: (196) [system] get_char((0x563acd73bee0), ' ')
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _450496)
   Exit: (197) [system] peek_char((0x563acd73bee0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _467430)
   Exit: (195) [system] peek_char((0x563acd73bee0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x563acd73bee0), _473000)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _474858)
   Exit: (197) [system] peek_char((0x563acd73bee0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] get_char((0x563acd73bee0), _490868)
   Exit: (196) [system] get_char((0x563acd73bee0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x563acd73bee0), _473000)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _496438)
   Exit: (198) [system] peek_char((0x563acd73bee0), -)
   Call: (198) [system] (-)=(;)
   Fail: (198) [system] (-)=(;)
   Call: (198) [system] (-)=(/)
   Fail: (198) [system] (-)=(/)
^  Call: (198) [user] is_like_space(-)
   Call: (199) [system] char_type(-, 'white')
   Fail: (199) [system] char_type(-, 'white')
   Call: (199) [system] char_type(-, end_of_line)
   Fail: (199) [system] char_type(-, end_of_line)
   Call: (199) [system] char_type(-, space)
   Fail: (199) [system] char_type(-, space)
   Call: (199) [system] char_type(-, cntrl)
   Fail: (199) [system] char_type(-, cntrl)
^  Fail: (198) [user] is_like_space(-)
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _512448)
   Exit: (197) [system] peek_char((0x563acd73bee0), -)
   Call: (197) [system] (-)=')'
   Fail: (197) [system] (-)=')'
   Call: (197) [system] (-)=end_of_file
   Fail: (197) [system] (-)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x563acd73bee0), _518018)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _519876)
   Exit: (199) [system] peek_char((0x563acd73bee0), -)
   Call: (199) [system] (-)=(;)
   Fail: (199) [system] (-)=(;)
   Call: (199) [system] (-)=(/)
   Fail: (199) [system] (-)=(/)
^  Call: (199) [user] is_like_space(-)
   Call: (200) [system] char_type(-, 'white')
   Fail: (200) [system] char_type(-, 'white')
   Call: (200) [system] char_type(-, end_of_line)
   Fail: (200) [system] char_type(-, end_of_line)
   Call: (200) [system] char_type(-, space)
   Fail: (200) [system] char_type(-, space)
   Call: (200) [system] char_type(-, cntrl)
   Fail: (200) [system] char_type(-, cntrl)
^  Fail: (199) [user] is_like_space(-)
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] get_char((0x563acd73bee0), _535886)
   Exit: (198) [system] get_char((0x563acd73bee0), -)
   Call: (198) [system] (-)='('
   Fail: (198) [system] (-)='('
   Call: (198) [system] (-)='['
   Fail: (198) [system] (-)='['
   Call: (198) [system] (-)='{'
   Fail: (198) [system] (-)='{'
   Call: (198) [system] (-)='"'
   Fail: (198) [system] (-)='"'
   Call: (198) [system] (-)=!
   Fail: (198) [system] (-)=!
   Call: (198) [system] (-)='\''
   Fail: (198) [system] (-)='\''
   Call: (198) [system] (-)='`'
   Fail: (198) [system] (-)='`'
   Call: (198) [system] (-)=end_of_file
   Fail: (198) [system] (-)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x563acd73bee0), -, _518018)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _553528)
   Call: (200) [system] peek_char((0x563acd73bee0), _554462)
   Exit: (200) [system] peek_char((0x563acd73bee0), >)
^  Call: (200) [user] is_delimiter(>)
   Call: (201) [system] char_type(>, space)
   Fail: (201) [system] char_type(>, space)
   Call: (201) [system] arg(_559182, v('(', ')', end_of_file), >)
   Fail: (201) [system] arg(_560114, v('(', ')', end_of_file), >)
^  Fail: (200) [user] is_delimiter(>)
   Call: (200) [system] ')'==(>)
   Fail: (200) [system] ')'==(>)
   Call: (200) [system] get_char((0x563acd73bee0), >)
   Exit: (200) [system] get_char((0x563acd73bee0), >)
   Call: (200) [system] (>)=(\)
   Fail: (200) [system] (>)=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _567464)
   Call: (201) [system] peek_char((0x563acd73bee0), _568398)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (201) [user] is_delimiter(' ')
   Call: (202) [system] char_type(' ', space)
   Exit: (202) [system] char_type(' ', space)
^  Exit: (201) [user] is_delimiter(' ')
   Call: (201) [system] _567464=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (200) [system] _553528=[>]
   Exit: (200) [system] [>]=[>]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [>])
^  Call: (199) [user] classify_and_convert_charseq([-, >], _518018)
^  Call: (200) [user] classify_and_convert_charseq_([-, >], _580476)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_581428, _581430), once(user:catch(read_from_chars([-, >], _580476), _581410, fail)), '$restore_trace'(_581428, _581430))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_581428, _581430))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _581410, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(->)
   Exit: (201) [system] atomic(->)
^  Exit: (200) [user] classify_and_convert_charseq_([-, >], ->)
   Call: (200) [system] integer(->)
   Fail: (200) [system] integer(->)
   Call: (200) [system] _518018=(->)
   Exit: (200) [system] (->)=(->)
^  Exit: (199) [user] classify_and_convert_charseq([-, >], ->)
^  Exit: (198) [user] read_symbolic(')', (0x563acd73bee0), -, ->)
^  Exit: (197) [user] cont_sexpr(')', (0x563acd73bee0), ->)
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _593556)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _595414)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x563acd73bee0), _605008)
   Exit: (199) [system] get_char((0x563acd73bee0), ' ')
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _607712)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _624646)
   Exit: (198) [system] peek_char((0x563acd73bee0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x563acd73bee0), _630216)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _632074)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] get_char((0x563acd73bee0), _648084)
   Exit: (199) [system] get_char((0x563acd73bee0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x563acd73bee0), $, _630216)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _665726)
   Call: (201) [system] peek_char((0x563acd73bee0), _666660)
   Exit: (201) [system] peek_char((0x563acd73bee0), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_671380, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_672312, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x563acd73bee0), p)
   Exit: (201) [system] get_char((0x563acd73bee0), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _679662)
   Call: (202) [system] peek_char((0x563acd73bee0), _680596)
   Exit: (202) [system] peek_char((0x563acd73bee0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_685316, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_686248, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x563acd73bee0), r)
   Exit: (202) [system] get_char((0x563acd73bee0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _693598)
   Call: (203) [system] peek_char((0x563acd73bee0), _694532)
   Exit: (203) [system] peek_char((0x563acd73bee0), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Fail: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_699252, v('(', ')', end_of_file), e)
   Fail: (204) [system] arg(_700184, v('(', ')', end_of_file), e)
^  Fail: (203) [user] is_delimiter(e)
   Call: (203) [system] ')'==e
   Fail: (203) [system] ')'==e
   Call: (203) [system] get_char((0x563acd73bee0), e)
   Exit: (203) [system] get_char((0x563acd73bee0), e)
   Call: (203) [system] e=(\)
   Fail: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _707534)
   Call: (204) [system] peek_char((0x563acd73bee0), _708468)
   Exit: (204) [system] peek_char((0x563acd73bee0), m)
^  Call: (204) [user] is_delimiter(m)
   Call: (205) [system] char_type(m, space)
   Fail: (205) [system] char_type(m, space)
   Call: (205) [system] arg(_713188, v('(', ')', end_of_file), m)
   Fail: (205) [system] arg(_714120, v('(', ')', end_of_file), m)
^  Fail: (204) [user] is_delimiter(m)
   Call: (204) [system] ')'==m
   Fail: (204) [system] ')'==m
   Call: (204) [system] get_char((0x563acd73bee0), m)
   Exit: (204) [system] get_char((0x563acd73bee0), m)
   Call: (204) [system] m=(\)
   Fail: (204) [system] m=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _721470)
   Call: (205) [system] peek_char((0x563acd73bee0), _722404)
   Exit: (205) [system] peek_char((0x563acd73bee0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_727124, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_728056, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x563acd73bee0), i)
   Exit: (205) [system] get_char((0x563acd73bee0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _735406)
   Call: (206) [system] peek_char((0x563acd73bee0), _736340)
   Exit: (206) [system] peek_char((0x563acd73bee0), s)
^  Call: (206) [user] is_delimiter(s)
   Call: (207) [system] char_type(s, space)
   Fail: (207) [system] char_type(s, space)
   Call: (207) [system] arg(_741060, v('(', ')', end_of_file), s)
   Fail: (207) [system] arg(_741992, v('(', ')', end_of_file), s)
^  Fail: (206) [user] is_delimiter(s)
   Call: (206) [system] ')'==s
   Fail: (206) [system] ')'==s
   Call: (206) [system] get_char((0x563acd73bee0), s)
   Exit: (206) [system] get_char((0x563acd73bee0), s)
   Call: (206) [system] s=(\)
   Fail: (206) [system] s=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _749342)
   Call: (207) [system] peek_char((0x563acd73bee0), _750276)
   Exit: (207) [system] peek_char((0x563acd73bee0), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_754996, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_755928, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x563acd73bee0), e)
   Exit: (207) [system] get_char((0x563acd73bee0), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _763278)
   Call: (208) [system] peek_char((0x563acd73bee0), _764212)
   Exit: (208) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _763278=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (207) [system] _749342=[e]
   Exit: (207) [system] [e]=[e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [e])
   Call: (206) [system] _735406=[s, e]
   Exit: (206) [system] [s, e]=[s, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, e])
   Call: (205) [system] _721470=[i, s, e]
   Exit: (205) [system] [i, s, e]=[i, s, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, e])
   Call: (204) [system] _707534=[m, i, s, e]
   Exit: (204) [system] [m, i, s, e]=[m, i, s, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, i, s, e])
   Call: (203) [system] _693598=[e, m, i, s, e]
   Exit: (203) [system] [e, m, i, s, e]=[e, m, i, s, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, m, i, s, e])
   Call: (202) [system] _679662=[r, e, m, i, s, e]
   Exit: (202) [system] [r, e, m, i, s, e]=[r, e, m, i, s, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, e, m, i, s, e])
   Call: (201) [system] _665726=[p, r, e, m, i, s, e]
   Exit: (201) [system] [p, r, e, m, i, s, e]=[p, r, e, m, i, s, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, e, m, i, s, e])
^  Call: (200) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e], _630216)
^  Call: (201) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e], _793054)
   Call: (202) [system] atom_chars(_793986, ['_', p, r, e, m, i, s, e])
   Exit: (202) [system] atom_chars('_premise', ['_', p, r, e, m, i, s, e])
^  Exit: (201) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e], _premise)
   Call: (201) [system] integer(_premise)
   Fail: (201) [system] integer(_premise)
   Call: (201) [system] _630216=_premise
   Exit: (201) [system] _premise=_premise
^  Exit: (200) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e], _premise)
^  Exit: (199) [user] read_symbolic(')', (0x563acd73bee0), $, _premise)
^  Exit: (198) [user] cont_sexpr(')', (0x563acd73bee0), _premise)
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _803278)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _805136)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x563acd73bee0), _814730)
   Exit: (200) [system] get_char((0x563acd73bee0), ' ')
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _817434)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _834368)
   Exit: (199) [system] peek_char((0x563acd73bee0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x563acd73bee0), _839938)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _841796)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] get_char((0x563acd73bee0), _857806)
   Exit: (200) [system] get_char((0x563acd73bee0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x563acd73bee0), $, _839938)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _875448)
   Call: (202) [system] peek_char((0x563acd73bee0), _876382)
   Exit: (202) [system] peek_char((0x563acd73bee0), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Fail: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_881102, v('(', ')', end_of_file), c)
   Fail: (203) [system] arg(_882034, v('(', ')', end_of_file), c)
^  Fail: (202) [user] is_delimiter(c)
   Call: (202) [system] ')'==c
   Fail: (202) [system] ')'==c
   Call: (202) [system] get_char((0x563acd73bee0), c)
   Exit: (202) [system] get_char((0x563acd73bee0), c)
   Call: (202) [system] c=(\)
   Fail: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _889384)
   Call: (203) [system] peek_char((0x563acd73bee0), _890318)
   Exit: (203) [system] peek_char((0x563acd73bee0), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Fail: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_895038, v('(', ')', end_of_file), o)
   Fail: (204) [system] arg(_895970, v('(', ')', end_of_file), o)
^  Fail: (203) [user] is_delimiter(o)
   Call: (203) [system] ')'==o
   Fail: (203) [system] ')'==o
   Call: (203) [system] get_char((0x563acd73bee0), o)
   Exit: (203) [system] get_char((0x563acd73bee0), o)
   Call: (203) [system] o=(\)
   Fail: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _903320)
   Call: (204) [system] peek_char((0x563acd73bee0), _904254)
   Exit: (204) [system] peek_char((0x563acd73bee0), n)
^  Call: (204) [user] is_delimiter(n)
   Call: (205) [system] char_type(n, space)
   Fail: (205) [system] char_type(n, space)
   Call: (205) [system] arg(_908974, v('(', ')', end_of_file), n)
   Fail: (205) [system] arg(_909906, v('(', ')', end_of_file), n)
^  Fail: (204) [user] is_delimiter(n)
   Call: (204) [system] ')'==n
   Fail: (204) [system] ')'==n
   Call: (204) [system] get_char((0x563acd73bee0), n)
   Exit: (204) [system] get_char((0x563acd73bee0), n)
   Call: (204) [system] n=(\)
   Fail: (204) [system] n=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _917256)
   Call: (205) [system] peek_char((0x563acd73bee0), _918190)
   Exit: (205) [system] peek_char((0x563acd73bee0), c)
^  Call: (205) [user] is_delimiter(c)
   Call: (206) [system] char_type(c, space)
   Fail: (206) [system] char_type(c, space)
   Call: (206) [system] arg(_922910, v('(', ')', end_of_file), c)
   Fail: (206) [system] arg(_923842, v('(', ')', end_of_file), c)
^  Fail: (205) [user] is_delimiter(c)
   Call: (205) [system] ')'==c
   Fail: (205) [system] ')'==c
   Call: (205) [system] get_char((0x563acd73bee0), c)
   Exit: (205) [system] get_char((0x563acd73bee0), c)
   Call: (205) [system] c=(\)
   Fail: (205) [system] c=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _931192)
   Call: (206) [system] peek_char((0x563acd73bee0), _932126)
   Exit: (206) [system] peek_char((0x563acd73bee0), l)
^  Call: (206) [user] is_delimiter(l)
   Call: (207) [system] char_type(l, space)
   Fail: (207) [system] char_type(l, space)
   Call: (207) [system] arg(_936846, v('(', ')', end_of_file), l)
   Fail: (207) [system] arg(_937778, v('(', ')', end_of_file), l)
^  Fail: (206) [user] is_delimiter(l)
   Call: (206) [system] ')'==l
   Fail: (206) [system] ')'==l
   Call: (206) [system] get_char((0x563acd73bee0), l)
   Exit: (206) [system] get_char((0x563acd73bee0), l)
   Call: (206) [system] l=(\)
   Fail: (206) [system] l=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _945128)
   Call: (207) [system] peek_char((0x563acd73bee0), _946062)
   Exit: (207) [system] peek_char((0x563acd73bee0), u)
^  Call: (207) [user] is_delimiter(u)
   Call: (208) [system] char_type(u, space)
   Fail: (208) [system] char_type(u, space)
   Call: (208) [system] arg(_950782, v('(', ')', end_of_file), u)
   Fail: (208) [system] arg(_951714, v('(', ')', end_of_file), u)
^  Fail: (207) [user] is_delimiter(u)
   Call: (207) [system] ')'==u
   Fail: (207) [system] ')'==u
   Call: (207) [system] get_char((0x563acd73bee0), u)
   Exit: (207) [system] get_char((0x563acd73bee0), u)
   Call: (207) [system] u=(\)
   Fail: (207) [system] u=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _959064)
   Call: (208) [system] peek_char((0x563acd73bee0), _959998)
   Exit: (208) [system] peek_char((0x563acd73bee0), s)
^  Call: (208) [user] is_delimiter(s)
   Call: (209) [system] char_type(s, space)
   Fail: (209) [system] char_type(s, space)
   Call: (209) [system] arg(_964718, v('(', ')', end_of_file), s)
   Fail: (209) [system] arg(_965650, v('(', ')', end_of_file), s)
^  Fail: (208) [user] is_delimiter(s)
   Call: (208) [system] ')'==s
   Fail: (208) [system] ')'==s
   Call: (208) [system] get_char((0x563acd73bee0), s)
   Exit: (208) [system] get_char((0x563acd73bee0), s)
   Call: (208) [system] s=(\)
   Fail: (208) [system] s=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _973000)
   Call: (209) [system] peek_char((0x563acd73bee0), _973934)
   Exit: (209) [system] peek_char((0x563acd73bee0), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_978654, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_979586, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x563acd73bee0), i)
   Exit: (209) [system] get_char((0x563acd73bee0), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _986936)
   Call: (210) [system] peek_char((0x563acd73bee0), _987870)
   Exit: (210) [system] peek_char((0x563acd73bee0), o)
^  Call: (210) [user] is_delimiter(o)
   Call: (211) [system] char_type(o, space)
   Fail: (211) [system] char_type(o, space)
   Call: (211) [system] arg(_992590, v('(', ')', end_of_file), o)
   Fail: (211) [system] arg(_993522, v('(', ')', end_of_file), o)
^  Fail: (210) [user] is_delimiter(o)
   Call: (210) [system] ')'==o
   Fail: (210) [system] ')'==o
   Call: (210) [system] get_char((0x563acd73bee0), o)
   Exit: (210) [system] get_char((0x563acd73bee0), o)
   Call: (210) [system] o=(\)
   Fail: (210) [system] o=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1000872)
   Call: (211) [system] peek_char((0x563acd73bee0), _1001806)
   Exit: (211) [system] peek_char((0x563acd73bee0), n)
^  Call: (211) [user] is_delimiter(n)
   Call: (212) [system] char_type(n, space)
   Fail: (212) [system] char_type(n, space)
   Call: (212) [system] arg(_1006526, v('(', ')', end_of_file), n)
   Fail: (212) [system] arg(_1007458, v('(', ')', end_of_file), n)
^  Fail: (211) [user] is_delimiter(n)
   Call: (211) [system] ')'==n
   Fail: (211) [system] ')'==n
   Call: (211) [system] get_char((0x563acd73bee0), n)
   Exit: (211) [system] get_char((0x563acd73bee0), n)
   Call: (211) [system] n=(\)
   Fail: (211) [system] n=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1014808)
   Call: (212) [system] peek_char((0x563acd73bee0), _1015742)
   Exit: (212) [system] peek_char((0x563acd73bee0), ')')
^  Call: (212) [user] is_delimiter(')')
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] arg(_1020462, v('(', ')', end_of_file), ')')
   Exit: (213) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (212) [user] is_delimiter(')')
   Call: (212) [system] _1014808=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (211) [system] _1000872=[n]
   Exit: (211) [system] [n]=[n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (210) [system] _986936=[o, n]
   Exit: (210) [system] [o, n]=[o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (209) [system] _973000=[i, o, n]
   Exit: (209) [system] [i, o, n]=[i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (208) [system] _959064=[s, i, o, n]
   Exit: (208) [system] [s, i, o, n]=[s, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, i, o, n])
   Call: (207) [system] _945128=[u, s, i, o, n]
   Exit: (207) [system] [u, s, i, o, n]=[u, s, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, s, i, o, n])
   Call: (206) [system] _931192=[l, u, s, i, o, n]
   Exit: (206) [system] [l, u, s, i, o, n]=[l, u, s, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, u, s, i, o, n])
   Call: (205) [system] _917256=[c, l, u, s, i, o, n]
   Exit: (205) [system] [c, l, u, s, i, o, n]=[c, l, u, s, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, l, u, s, i, o, n])
   Call: (204) [system] _903320=[n, c, l, u, s, i, o, n]
   Exit: (204) [system] [n, c, l, u, s, i, o, n]=[n, c, l, u, s, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, l, u, s, i, o, n])
   Call: (203) [system] _889384=[o, n, c, l, u, s, i, o, n]
   Exit: (203) [system] [o, n, c, l, u, s, i, o, n]=[o, n, c, l, u, s, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, c, l, u, s, i, o, n])
   Call: (202) [system] _875448=[c, o, n, c, l, u, s, i, o, n]
   Exit: (202) [system] [c, o, n, c, l, u, s, i, o, n]=[c, o, n, c, l, u, s, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, o, n, c, l, u, s, i, o, n])
^  Call: (201) [user] classify_and_convert_charseq([$, c, o, n, c, l, u, s, i, o, n], _839938)
^  Call: (202) [user] classify_and_convert_charseq_([$, c, o, n, c, l, u, s, i, o, n], _1054838)
   Call: (203) [system] atom_chars(_1055770, ['_', c, o, n, c, l, u, s, i, o, n])
   Exit: (203) [system] atom_chars('_conclusion', ['_', c, o, n, c, l, u, s, i, o, n])
^  Exit: (202) [user] classify_and_convert_charseq_([$, c, o, n, c, l, u, s, i, o, n], _conclusion)
   Call: (202) [system] integer(_conclusion)
   Fail: (202) [system] integer(_conclusion)
   Call: (202) [system] _839938=_conclusion
   Exit: (202) [system] _conclusion=_conclusion
^  Exit: (201) [user] classify_and_convert_charseq([$, c, o, n, c, l, u, s, i, o, n], _conclusion)
^  Exit: (200) [user] read_symbolic(')', (0x563acd73bee0), $, _conclusion)
^  Exit: (199) [user] cont_sexpr(')', (0x563acd73bee0), _conclusion)
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _1065062)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1066920)
   Exit: (201) [system] peek_char((0x563acd73bee0), ')')
   Call: (201) [system] ')'=(;)
   Fail: (201) [system] ')'=(;)
   Call: (201) [system] ')'=(/)
   Fail: (201) [system] ')'=(/)
^  Call: (201) [user] is_like_space(')')
   Call: (202) [system] char_type(')', 'white')
   Fail: (202) [system] char_type(')', 'white')
   Call: (202) [system] char_type(')', end_of_line)
   Fail: (202) [system] char_type(')', end_of_line)
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] char_type(')', cntrl)
   Fail: (202) [system] char_type(')', cntrl)
^  Fail: (201) [user] is_like_space(')')
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1082930)
   Exit: (200) [system] peek_char((0x563acd73bee0), ')')
   Call: (200) [system] ')'=')'
   Exit: (200) [system] ')'=')'
   Call: (200) [system] get_char((0x563acd73bee0), _1086720)
   Exit: (200) [system] get_char((0x563acd73bee0), ')')
   Call: (200) [system] _1065062=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), [])
   Call: (199) [system] _803278=[_conclusion]
   Exit: (199) [system] [_conclusion]=[_conclusion]
^  Exit: (198) [user] read_list(')', (0x563acd73bee0), [_conclusion])
   Call: (198) [system] _593556=[_premise, _conclusion]
   Exit: (198) [system] [_premise, _conclusion]=[_premise, _conclusion]
^  Exit: (197) [user] read_list(')', (0x563acd73bee0), [_premise, _conclusion])
   Call: (197) [system] _473000=[->, _premise, _conclusion]
   Exit: (197) [system] [->, _premise, _conclusion]=[->, _premise, _conclusion]
^  Exit: (196) [user] read_list(')', (0x563acd73bee0), [->, _premise, _conclusion])
^  Exit: (195) [user] cont_sexpr(')', (0x563acd73bee0), [->, _premise, _conclusion])
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _1100602)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1102460)
   Exit: (197) [system] peek_char((0x563acd73bee0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1118470)
   Exit: (196) [system] peek_char((0x563acd73bee0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x563acd73bee0), _1122260)
   Exit: (196) [system] get_char((0x563acd73bee0), ')')
   Call: (196) [system] _1100602=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), [])
   Call: (195) [system] _436340=[[->, _premise, _conclusion]]
   Exit: (195) [system] [[->, _premise, _conclusion]]=[[->, _premise, _conclusion]]
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), [[->, _premise, _conclusion]])
   Call: (194) [system] _243348=[_ructor, [->, _premise, _conclusion]]
   Exit: (194) [system] [_ructor, [->, _premise, _conclusion]]=[_ructor, [->, _premise, _conclusion]]
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), [_ructor, [->, _premise, _conclusion]])
   Call: (193) [system] _139522=[:, _ructor, [->, _premise, _conclusion]]
   Exit: (193) [system] [:, _ructor, [->, _premise, _conclusion]]=[:, _ructor, [->, _premise, _conclusion]]
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), [:, _ructor, [->, _premise, _conclusion]])
^  Exit: (191) [user] cont_sexpr(')', (0x563acd73bee0), [:, _ructor, [->, _premise, _conclusion]])
^  Call: (191) [user] read_list(')', (0x563acd73bee0), _1136142)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1138000)
   Exit: (193) [system] peek_char((0x563acd73bee0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x563acd73bee0), _1147594)
   Exit: (193) [system] get_char((0x563acd73bee0), ' ')
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1150298)
   Exit: (194) [system] peek_char((0x563acd73bee0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1167232)
   Exit: (192) [system] peek_char((0x563acd73bee0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x563acd73bee0), _1172802)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1174660)
   Exit: (194) [system] peek_char((0x563acd73bee0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] get_char((0x563acd73bee0), _1190670)
   Exit: (193) [system] get_char((0x563acd73bee0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _1172802)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1196240)
   Exit: (195) [system] peek_char((0x563acd73bee0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1212250)
   Exit: (194) [system] peek_char((0x563acd73bee0), $)
   Call: (194) [system] ($)=')'
   Fail: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x563acd73bee0), _1217820)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1219678)
   Exit: (196) [system] peek_char((0x563acd73bee0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] get_char((0x563acd73bee0), _1235688)
   Exit: (195) [system] get_char((0x563acd73bee0), $)
   Call: (195) [system] ($)='('
   Fail: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Fail: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Fail: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Fail: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Fail: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Fail: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Fail: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x563acd73bee0), $, _1217820)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _1253330)
   Call: (197) [system] peek_char((0x563acd73bee0), _1254264)
   Exit: (197) [system] peek_char((0x563acd73bee0), r)
^  Call: (197) [user] is_delimiter(r)
   Call: (198) [system] char_type(r, space)
   Fail: (198) [system] char_type(r, space)
   Call: (198) [system] arg(_1258984, v('(', ')', end_of_file), r)
   Fail: (198) [system] arg(_1259916, v('(', ')', end_of_file), r)
^  Fail: (197) [user] is_delimiter(r)
   Call: (197) [system] ')'==r
   Fail: (197) [system] ')'==r
   Call: (197) [system] get_char((0x563acd73bee0), r)
   Exit: (197) [system] get_char((0x563acd73bee0), r)
   Call: (197) [system] r=(\)
   Fail: (197) [system] r=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _1267266)
   Call: (198) [system] peek_char((0x563acd73bee0), _1268200)
   Exit: (198) [system] peek_char((0x563acd73bee0), b)
^  Call: (198) [user] is_delimiter(b)
   Call: (199) [system] char_type(b, space)
   Fail: (199) [system] char_type(b, space)
   Call: (199) [system] arg(_1272920, v('(', ')', end_of_file), b)
   Fail: (199) [system] arg(_1273852, v('(', ')', end_of_file), b)
^  Fail: (198) [user] is_delimiter(b)
   Call: (198) [system] ')'==b
   Fail: (198) [system] ')'==b
   Call: (198) [system] get_char((0x563acd73bee0), b)
   Exit: (198) [system] get_char((0x563acd73bee0), b)
   Call: (198) [system] b=(\)
   Fail: (198) [system] b=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _1281202)
   Call: (199) [system] peek_char((0x563acd73bee0), _1282136)
   Exit: (199) [system] peek_char((0x563acd73bee0), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_1286856, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _1281202=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (198) [system] _1267266=[b]
   Exit: (198) [system] [b]=[b]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
   Call: (197) [system] _1253330=[r, b]
   Exit: (197) [system] [r, b]=[r, b]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, b])
^  Call: (196) [user] classify_and_convert_charseq([$, r, b], _1217820)
^  Call: (197) [user] classify_and_convert_charseq_([$, r, b], _1298880)
   Call: (198) [system] atom_chars(_1299812, ['_', r, b])
   Exit: (198) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (197) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (197) [system] integer(_rb)
   Fail: (197) [system] integer(_rb)
   Call: (197) [system] _1217820=_rb
   Exit: (197) [system] _rb=_rb
^  Exit: (196) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (195) [user] read_symbolic(')', (0x563acd73bee0), $, _rb)
^  Exit: (194) [user] cont_sexpr(')', (0x563acd73bee0), _rb)
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _1309104)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1310962)
   Exit: (196) [system] peek_char((0x563acd73bee0), ')')
   Call: (196) [system] ')'=(;)
   Fail: (196) [system] ')'=(;)
   Call: (196) [system] ')'=(/)
   Fail: (196) [system] ')'=(/)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Fail: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Fail: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
   Fail: (197) [system] char_type(')', cntrl)
^  Fail: (196) [user] is_like_space(')')
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1326972)
   Exit: (195) [system] peek_char((0x563acd73bee0), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x563acd73bee0), _1330762)
   Exit: (195) [system] get_char((0x563acd73bee0), ')')
   Call: (195) [system] _1309104=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), [])
   Call: (194) [system] _1172802=[_rb]
   Exit: (194) [system] [_rb]=[_rb]
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), [_rb])
^  Exit: (192) [user] cont_sexpr(')', (0x563acd73bee0), [_rb])
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _1339056)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1340914)
   Exit: (194) [system] peek_char((0x563acd73bee0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
   Call: (194) [system] ')'=(/)
   Fail: (194) [system] ')'=(/)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1356924)
   Exit: (193) [system] peek_char((0x563acd73bee0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x563acd73bee0), _1360714)
   Exit: (193) [system] get_char((0x563acd73bee0), ')')
   Call: (193) [system] _1339056=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), [])
   Call: (192) [system] _1136142=[[_rb]]
   Exit: (192) [system] [[_rb]]=[[_rb]]
^  Exit: (191) [user] read_list(')', (0x563acd73bee0), [[_rb]])
   Call: (191) [system] _94504=[[:, _ructor, [->, _premise, _conclusion]], [_rb]]
   Exit: (191) [system] [[:, _ructor, [->, _premise, _conclusion]], [_rb]]=[[:, _ructor, [->, _premise, _conclusion]], [_rb]]
^  Exit: (190) [user] read_list(')', (0x563acd73bee0), [[:, _ructor, [->, _premise, _conclusion]], [_rb]])
^  Exit: (189) [user] cont_sexpr(')', (0x563acd73bee0), [[:, _ructor, [->, _premise, _conclusion]], [_rb]])
^  Call: (189) [user] read_list(')', (0x563acd73bee0), _1371802)
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _1373660)
   Exit: (191) [system] peek_char((0x563acd73bee0), '\n')
   Call: (191) [system] '\n'=(;)
   Fail: (191) [system] '\n'=(;)
   Call: (191) [system] '\n'=(/)
   Fail: (191) [system] '\n'=(/)
^  Call: (191) [user] is_like_space('\n')
   Call: (192) [system] char_type('\n', 'white')
   Fail: (192) [system] char_type('\n', 'white')
   Call: (192) [system] char_type('\n', end_of_line)
   Exit: (192) [system] char_type('\n', end_of_line)
^  Exit: (191) [user] is_like_space('\n')
   Call: (191) [system] get_char((0x563acd73bee0), _1385110)
   Exit: (191) [system] get_char((0x563acd73bee0), '\n')
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1387814)
   Exit: (192) [system] peek_char((0x563acd73bee0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x563acd73bee0), _1397408)
   Exit: (192) [system] get_char((0x563acd73bee0), ' ')
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1400112)
   Exit: (193) [system] peek_char((0x563acd73bee0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x563acd73bee0), _1409706)
   Exit: (193) [system] get_char((0x563acd73bee0), ' ')
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1412410)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x563acd73bee0), _1422004)
   Exit: (194) [system] get_char((0x563acd73bee0), ' ')
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1424708)
   Exit: (195) [system] peek_char((0x563acd73bee0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x563acd73bee0), _1434302)
   Exit: (195) [system] get_char((0x563acd73bee0), ' ')
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1437006)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x563acd73bee0), _1446600)
   Exit: (196) [system] get_char((0x563acd73bee0), ' ')
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1449304)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x563acd73bee0), _1458898)
   Exit: (197) [system] get_char((0x563acd73bee0), ' ')
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1461602)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x563acd73bee0), _1471196)
   Exit: (198) [system] get_char((0x563acd73bee0), ' ')
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1473900)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x563acd73bee0), _1483494)
   Exit: (199) [system] get_char((0x563acd73bee0), ' ')
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1486198)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x563acd73bee0), _1495792)
   Exit: (200) [system] get_char((0x563acd73bee0), ' ')
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1498496)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _1508090)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1510794)
   Exit: (202) [system] peek_char((0x563acd73bee0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1536968)
   Exit: (190) [system] peek_char((0x563acd73bee0), '(')
   Call: (190) [system] '('=')'
   Fail: (190) [system] '('=')'
   Call: (190) [system] '('=end_of_file
   Fail: (190) [system] '('=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x563acd73bee0), _1542538)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1544396)
   Exit: (192) [system] peek_char((0x563acd73bee0), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
   Call: (192) [system] '('=(/)
   Fail: (192) [system] '('=(/)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] get_char((0x563acd73bee0), _1560406)
   Exit: (191) [system] get_char((0x563acd73bee0), '(')
   Call: (191) [system] '('='('
   Exit: (191) [system] '('='('
^  Call: (191) [user] read_list(')', (0x563acd73bee0), _1542538)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1565976)
   Exit: (193) [system] peek_char((0x563acd73bee0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1581986)
   Exit: (192) [system] peek_char((0x563acd73bee0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x563acd73bee0), _1587556)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1589414)
   Exit: (194) [system] peek_char((0x563acd73bee0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] get_char((0x563acd73bee0), _1605424)
   Exit: (193) [system] get_char((0x563acd73bee0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _1587556)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1610994)
   Exit: (195) [system] peek_char((0x563acd73bee0), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
   Call: (195) [system] (:)=(/)
   Fail: (195) [system] (:)=(/)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1627004)
   Exit: (194) [system] peek_char((0x563acd73bee0), :)
   Call: (194) [system] (:)=')'
   Fail: (194) [system] (:)=')'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x563acd73bee0), _1632574)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1634432)
   Exit: (196) [system] peek_char((0x563acd73bee0), :)
   Call: (196) [system] (:)=(;)
   Fail: (196) [system] (:)=(;)
   Call: (196) [system] (:)=(/)
   Fail: (196) [system] (:)=(/)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Fail: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Fail: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Fail: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
   Fail: (197) [system] char_type(:, cntrl)
^  Fail: (196) [user] is_like_space(:)
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] get_char((0x563acd73bee0), _1650442)
   Exit: (195) [system] get_char((0x563acd73bee0), :)
   Call: (195) [system] (:)='('
   Fail: (195) [system] (:)='('
   Call: (195) [system] (:)='['
   Fail: (195) [system] (:)='['
   Call: (195) [system] (:)='{'
   Fail: (195) [system] (:)='{'
   Call: (195) [system] (:)='"'
   Fail: (195) [system] (:)='"'
   Call: (195) [system] (:)=!
   Fail: (195) [system] (:)=!
   Call: (195) [system] (:)='\''
   Fail: (195) [system] (:)='\''
   Call: (195) [system] (:)='`'
   Fail: (195) [system] (:)='`'
   Call: (195) [system] (:)=end_of_file
   Fail: (195) [system] (:)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x563acd73bee0), :, _1632574)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _1668084)
   Call: (197) [system] peek_char((0x563acd73bee0), _1669018)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _1668084=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (196) [user] classify_and_convert_charseq([:], _1632574)
^  Call: (197) [user] classify_and_convert_charseq_([:], _1678302)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_1679254, _1679256), once(user:catch(read_from_chars([:], _1678302), _1679236, fail)), '$restore_trace'(_1679254, _1679256))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_1679254, _1679256))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1679236, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(:)
   Exit: (198) [system] atomic(:)
^  Exit: (197) [user] classify_and_convert_charseq_([:], :)
   Call: (197) [system] integer(:)
   Fail: (197) [system] integer(:)
   Call: (197) [system] _1632574=(:)
   Exit: (197) [system] (:)=(:)
^  Exit: (196) [user] classify_and_convert_charseq([:], :)
^  Exit: (195) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (194) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _1691382)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1693240)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x563acd73bee0), _1702834)
   Exit: (196) [system] get_char((0x563acd73bee0), ' ')
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1705538)
   Exit: (197) [system] peek_char((0x563acd73bee0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1722472)
   Exit: (195) [system] peek_char((0x563acd73bee0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x563acd73bee0), _1728042)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1729900)
   Exit: (197) [system] peek_char((0x563acd73bee0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] get_char((0x563acd73bee0), _1745910)
   Exit: (196) [system] get_char((0x563acd73bee0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x563acd73bee0), _1728042)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1751480)
   Exit: (198) [system] peek_char((0x563acd73bee0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1767490)
   Exit: (197) [system] peek_char((0x563acd73bee0), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x563acd73bee0), _1773060)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1774918)
   Exit: (199) [system] peek_char((0x563acd73bee0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] get_char((0x563acd73bee0), _1790928)
   Exit: (198) [system] get_char((0x563acd73bee0), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x563acd73bee0), $, _1773060)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _1808570)
   Call: (200) [system] peek_char((0x563acd73bee0), _1809504)
   Exit: (200) [system] peek_char((0x563acd73bee0), r)
^  Call: (200) [user] is_delimiter(r)
   Call: (201) [system] char_type(r, space)
   Fail: (201) [system] char_type(r, space)
   Call: (201) [system] arg(_1814224, v('(', ')', end_of_file), r)
   Fail: (201) [system] arg(_1815156, v('(', ')', end_of_file), r)
^  Fail: (200) [user] is_delimiter(r)
   Call: (200) [system] ')'==r
   Fail: (200) [system] ')'==r
   Call: (200) [system] get_char((0x563acd73bee0), r)
   Exit: (200) [system] get_char((0x563acd73bee0), r)
   Call: (200) [system] r=(\)
   Fail: (200) [system] r=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _1822506)
   Call: (201) [system] peek_char((0x563acd73bee0), _1823440)
   Exit: (201) [system] peek_char((0x563acd73bee0), u)
^  Call: (201) [user] is_delimiter(u)
   Call: (202) [system] char_type(u, space)
   Fail: (202) [system] char_type(u, space)
   Call: (202) [system] arg(_1828160, v('(', ')', end_of_file), u)
   Fail: (202) [system] arg(_1829092, v('(', ')', end_of_file), u)
^  Fail: (201) [user] is_delimiter(u)
   Call: (201) [system] ')'==u
   Fail: (201) [system] ')'==u
   Call: (201) [system] get_char((0x563acd73bee0), u)
   Exit: (201) [system] get_char((0x563acd73bee0), u)
   Call: (201) [system] u=(\)
   Fail: (201) [system] u=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _1836442)
   Call: (202) [system] peek_char((0x563acd73bee0), _1837376)
   Exit: (202) [system] peek_char((0x563acd73bee0), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Fail: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_1842096, v('(', ')', end_of_file), c)
   Fail: (203) [system] arg(_1843028, v('(', ')', end_of_file), c)
^  Fail: (202) [user] is_delimiter(c)
   Call: (202) [system] ')'==c
   Fail: (202) [system] ')'==c
   Call: (202) [system] get_char((0x563acd73bee0), c)
   Exit: (202) [system] get_char((0x563acd73bee0), c)
   Call: (202) [system] c=(\)
   Fail: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1850378)
   Call: (203) [system] peek_char((0x563acd73bee0), _1851312)
   Exit: (203) [system] peek_char((0x563acd73bee0), t)
^  Call: (203) [user] is_delimiter(t)
   Call: (204) [system] char_type(t, space)
   Fail: (204) [system] char_type(t, space)
   Call: (204) [system] arg(_1856032, v('(', ')', end_of_file), t)
   Fail: (204) [system] arg(_1856964, v('(', ')', end_of_file), t)
^  Fail: (203) [user] is_delimiter(t)
   Call: (203) [system] ')'==t
   Fail: (203) [system] ')'==t
   Call: (203) [system] get_char((0x563acd73bee0), t)
   Exit: (203) [system] get_char((0x563acd73bee0), t)
   Call: (203) [system] t=(\)
   Fail: (203) [system] t=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1864314)
   Call: (204) [system] peek_char((0x563acd73bee0), _1865248)
   Exit: (204) [system] peek_char((0x563acd73bee0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_1869968, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_1870900, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x563acd73bee0), o)
   Exit: (204) [system] get_char((0x563acd73bee0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1878250)
   Call: (205) [system] peek_char((0x563acd73bee0), _1879184)
   Exit: (205) [system] peek_char((0x563acd73bee0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_1883904, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_1884836, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x563acd73bee0), r)
   Exit: (205) [system] get_char((0x563acd73bee0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1892186)
   Call: (206) [system] peek_char((0x563acd73bee0), _1893120)
   Exit: (206) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _1892186=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (205) [system] _1878250=[r]
   Exit: (205) [system] [r]=[r]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [r])
   Call: (204) [system] _1864314=[o, r]
   Exit: (204) [system] [o, r]=[o, r]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, r])
   Call: (203) [system] _1850378=[t, o, r]
   Exit: (203) [system] [t, o, r]=[t, o, r]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, o, r])
   Call: (202) [system] _1836442=[c, t, o, r]
   Exit: (202) [system] [c, t, o, r]=[c, t, o, r]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, o, r])
   Call: (201) [system] _1822506=[u, c, t, o, r]
   Exit: (201) [system] [u, c, t, o, r]=[u, c, t, o, r]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, o, r])
   Call: (200) [system] _1808570=[r, u, c, t, o, r]
   Exit: (200) [system] [r, u, c, t, o, r]=[r, u, c, t, o, r]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, u, c, t, o, r])
^  Call: (199) [user] classify_and_convert_charseq([$, r, u, c, t, o, r], _1773060)
^  Call: (200) [user] classify_and_convert_charseq_([$, r, u, c, t, o, r], _1919168)
   Call: (201) [system] atom_chars(_1920100, ['_', r, u, c, t, o, r])
   Exit: (201) [system] atom_chars('_ructor', ['_', r, u, c, t, o, r])
^  Exit: (200) [user] classify_and_convert_charseq_([$, r, u, c, t, o, r], _ructor)
   Call: (200) [system] integer(_ructor)
   Fail: (200) [system] integer(_ructor)
   Call: (200) [system] _1773060=_ructor
   Exit: (200) [system] _ructor=_ructor
^  Exit: (199) [user] classify_and_convert_charseq([$, r, u, c, t, o, r], _ructor)
^  Exit: (198) [user] read_symbolic(')', (0x563acd73bee0), $, _ructor)
^  Exit: (197) [user] cont_sexpr(')', (0x563acd73bee0), _ructor)
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _1929392)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1931250)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x563acd73bee0), _1940844)
   Exit: (199) [system] get_char((0x563acd73bee0), ' ')
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1943548)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1960482)
   Exit: (198) [system] peek_char((0x563acd73bee0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x563acd73bee0), _1966052)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1967910)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] get_char((0x563acd73bee0), _1983920)
   Exit: (199) [system] get_char((0x563acd73bee0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x563acd73bee0), $, _1966052)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _2001562)
   Call: (201) [system] peek_char((0x563acd73bee0), _2002496)
   Exit: (201) [system] peek_char((0x563acd73bee0), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_2007216, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_2008148, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x563acd73bee0), p)
   Exit: (201) [system] get_char((0x563acd73bee0), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _2015498)
   Call: (202) [system] peek_char((0x563acd73bee0), _2016432)
   Exit: (202) [system] peek_char((0x563acd73bee0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_2021152, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_2022084, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x563acd73bee0), r)
   Exit: (202) [system] get_char((0x563acd73bee0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _2029434)
   Call: (203) [system] peek_char((0x563acd73bee0), _2030368)
   Exit: (203) [system] peek_char((0x563acd73bee0), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Fail: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_2035088, v('(', ')', end_of_file), o)
   Fail: (204) [system] arg(_2036020, v('(', ')', end_of_file), o)
^  Fail: (203) [user] is_delimiter(o)
   Call: (203) [system] ')'==o
   Fail: (203) [system] ')'==o
   Call: (203) [system] get_char((0x563acd73bee0), o)
   Exit: (203) [system] get_char((0x563acd73bee0), o)
   Call: (203) [system] o=(\)
   Fail: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _2043370)
   Call: (204) [system] peek_char((0x563acd73bee0), _2044304)
   Exit: (204) [system] peek_char((0x563acd73bee0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_2049024, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_2049956, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x563acd73bee0), o)
   Exit: (204) [system] get_char((0x563acd73bee0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _2057306)
   Call: (205) [system] peek_char((0x563acd73bee0), _2058240)
   Exit: (205) [system] peek_char((0x563acd73bee0), f)
^  Call: (205) [user] is_delimiter(f)
   Call: (206) [system] char_type(f, space)
   Fail: (206) [system] char_type(f, space)
   Call: (206) [system] arg(_2062960, v('(', ')', end_of_file), f)
   Fail: (206) [system] arg(_2063892, v('(', ')', end_of_file), f)
^  Fail: (205) [user] is_delimiter(f)
   Call: (205) [system] ')'==f
   Fail: (205) [system] ')'==f
   Call: (205) [system] get_char((0x563acd73bee0), f)
   Exit: (205) [system] get_char((0x563acd73bee0), f)
   Call: (205) [system] f=(\)
   Fail: (205) [system] f=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _2071242)
   Call: (206) [system] peek_char((0x563acd73bee0), _2072176)
   Exit: (206) [system] peek_char((0x563acd73bee0), ')')
^  Call: (206) [user] is_delimiter(')')
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] arg(_2076896, v('(', ')', end_of_file), ')')
   Exit: (207) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (206) [user] is_delimiter(')')
   Call: (206) [system] _2071242=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (205) [system] _2057306=[f]
   Exit: (205) [system] [f]=[f]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [f])
   Call: (204) [system] _2043370=[o, f]
   Exit: (204) [system] [o, f]=[o, f]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, f])
   Call: (203) [system] _2029434=[o, o, f]
   Exit: (203) [system] [o, o, f]=[o, o, f]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, o, f])
   Call: (202) [system] _2015498=[r, o, o, f]
   Exit: (202) [system] [r, o, o, f]=[r, o, o, f]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, o, f])
   Call: (201) [system] _2001562=[p, r, o, o, f]
   Exit: (201) [system] [p, r, o, o, f]=[p, r, o, o, f]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, o, o, f])
^  Call: (200) [user] classify_and_convert_charseq([$, p, r, o, o, f], _3552)
^  Call: (201) [user] classify_and_convert_charseq_([$, p, r, o, o, f], _4170)
   Call: (202) [system] atom_chars(_5102, ['_', p, r, o, o, f])
   Exit: (202) [system] atom_chars('_proof', ['_', p, r, o, o, f])
^  Exit: (201) [user] classify_and_convert_charseq_([$, p, r, o, o, f], _proof)
   Call: (201) [system] integer(_proof)
   Fail: (201) [system] integer(_proof)
   Call: (201) [system] _3552=_proof
   Exit: (201) [system] _proof=_proof
^  Exit: (200) [user] classify_and_convert_charseq([$, p, r, o, o, f], _proof)
^  Exit: (199) [user] read_symbolic(')', (0x563acd73bee0), $, _proof)
^  Exit: (198) [user] cont_sexpr(')', (0x563acd73bee0), _proof)
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _14394)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _16252)
   Exit: (200) [system] peek_char((0x563acd73bee0), ')')
   Call: (200) [system] ')'=(;)
   Fail: (200) [system] ')'=(;)
   Call: (200) [system] ')'=(/)
   Fail: (200) [system] ')'=(/)
^  Call: (200) [user] is_like_space(')')
   Call: (201) [system] char_type(')', 'white')
   Fail: (201) [system] char_type(')', 'white')
   Call: (201) [system] char_type(')', end_of_line)
   Fail: (201) [system] char_type(')', end_of_line)
   Call: (201) [system] char_type(')', space)
   Fail: (201) [system] char_type(')', space)
   Call: (201) [system] char_type(')', cntrl)
   Fail: (201) [system] char_type(')', cntrl)
^  Fail: (200) [user] is_like_space(')')
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _32262)
   Exit: (199) [system] peek_char((0x563acd73bee0), ')')
   Call: (199) [system] ')'=')'
   Exit: (199) [system] ')'=')'
   Call: (199) [system] get_char((0x563acd73bee0), _36052)
   Exit: (199) [system] get_char((0x563acd73bee0), ')')
   Call: (199) [system] _14394=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_list(')', (0x563acd73bee0), [])
   Call: (198) [system] _3548=[_proof]
   Exit: (198) [system] [_proof]=[_proof]
^  Exit: (197) [user] read_list(')', (0x563acd73bee0), [_proof])
   Call: (197) [system] _3536=[_ructor, _proof]
   Exit: (197) [system] [_ructor, _proof]=[_ructor, _proof]
^  Exit: (196) [user] read_list(')', (0x563acd73bee0), [_ructor, _proof])
^  Exit: (195) [user] cont_sexpr(')', (0x563acd73bee0), [_ructor, _proof])
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _47140)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _48998)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x563acd73bee0), _58592)
   Exit: (197) [system] get_char((0x563acd73bee0), ' ')
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _61296)
   Exit: (198) [system] peek_char((0x563acd73bee0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _78230)
   Exit: (196) [system] peek_char((0x563acd73bee0), $)
   Call: (196) [system] ($)=')'
   Fail: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x563acd73bee0), _83800)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _85658)
   Exit: (198) [system] peek_char((0x563acd73bee0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] get_char((0x563acd73bee0), _101668)
   Exit: (197) [system] get_char((0x563acd73bee0), $)
   Call: (197) [system] ($)='('
   Fail: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Fail: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Fail: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Fail: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Fail: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Fail: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Fail: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x563acd73bee0), $, _83800)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _119310)
   Call: (199) [system] peek_char((0x563acd73bee0), _120244)
   Exit: (199) [system] peek_char((0x563acd73bee0), c)
^  Call: (199) [user] is_delimiter(c)
   Call: (200) [system] char_type(c, space)
   Fail: (200) [system] char_type(c, space)
   Call: (200) [system] arg(_124964, v('(', ')', end_of_file), c)
   Fail: (200) [system] arg(_125896, v('(', ')', end_of_file), c)
^  Fail: (199) [user] is_delimiter(c)
   Call: (199) [system] ')'==c
   Fail: (199) [system] ')'==c
   Call: (199) [system] get_char((0x563acd73bee0), c)
   Exit: (199) [system] get_char((0x563acd73bee0), c)
   Call: (199) [system] c=(\)
   Fail: (199) [system] c=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _133246)
   Call: (200) [system] peek_char((0x563acd73bee0), _134180)
   Exit: (200) [system] peek_char((0x563acd73bee0), o)
^  Call: (200) [user] is_delimiter(o)
   Call: (201) [system] char_type(o, space)
   Fail: (201) [system] char_type(o, space)
   Call: (201) [system] arg(_138900, v('(', ')', end_of_file), o)
   Fail: (201) [system] arg(_139832, v('(', ')', end_of_file), o)
^  Fail: (200) [user] is_delimiter(o)
   Call: (200) [system] ')'==o
   Fail: (200) [system] ')'==o
   Call: (200) [system] get_char((0x563acd73bee0), o)
   Exit: (200) [system] get_char((0x563acd73bee0), o)
   Call: (200) [system] o=(\)
   Fail: (200) [system] o=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _147182)
   Call: (201) [system] peek_char((0x563acd73bee0), _148116)
   Exit: (201) [system] peek_char((0x563acd73bee0), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_152836, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_153768, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x563acd73bee0), n)
   Exit: (201) [system] get_char((0x563acd73bee0), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _161118)
   Call: (202) [system] peek_char((0x563acd73bee0), _162052)
   Exit: (202) [system] peek_char((0x563acd73bee0), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Fail: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_166772, v('(', ')', end_of_file), c)
   Fail: (203) [system] arg(_167704, v('(', ')', end_of_file), c)
^  Fail: (202) [user] is_delimiter(c)
   Call: (202) [system] ')'==c
   Fail: (202) [system] ')'==c
   Call: (202) [system] get_char((0x563acd73bee0), c)
   Exit: (202) [system] get_char((0x563acd73bee0), c)
   Call: (202) [system] c=(\)
   Fail: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _175054)
   Call: (203) [system] peek_char((0x563acd73bee0), _175988)
   Exit: (203) [system] peek_char((0x563acd73bee0), l)
^  Call: (203) [user] is_delimiter(l)
   Call: (204) [system] char_type(l, space)
   Fail: (204) [system] char_type(l, space)
   Call: (204) [system] arg(_180708, v('(', ')', end_of_file), l)
   Fail: (204) [system] arg(_181640, v('(', ')', end_of_file), l)
^  Fail: (203) [user] is_delimiter(l)
   Call: (203) [system] ')'==l
   Fail: (203) [system] ')'==l
   Call: (203) [system] get_char((0x563acd73bee0), l)
   Exit: (203) [system] get_char((0x563acd73bee0), l)
   Call: (203) [system] l=(\)
   Fail: (203) [system] l=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _188990)
   Call: (204) [system] peek_char((0x563acd73bee0), _189924)
   Exit: (204) [system] peek_char((0x563acd73bee0), u)
^  Call: (204) [user] is_delimiter(u)
   Call: (205) [system] char_type(u, space)
   Fail: (205) [system] char_type(u, space)
   Call: (205) [system] arg(_194644, v('(', ')', end_of_file), u)
   Fail: (205) [system] arg(_195576, v('(', ')', end_of_file), u)
^  Fail: (204) [user] is_delimiter(u)
   Call: (204) [system] ')'==u
   Fail: (204) [system] ')'==u
   Call: (204) [system] get_char((0x563acd73bee0), u)
   Exit: (204) [system] get_char((0x563acd73bee0), u)
   Call: (204) [system] u=(\)
   Fail: (204) [system] u=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _202926)
   Call: (205) [system] peek_char((0x563acd73bee0), _203860)
   Exit: (205) [system] peek_char((0x563acd73bee0), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Fail: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_208580, v('(', ')', end_of_file), s)
   Fail: (206) [system] arg(_209512, v('(', ')', end_of_file), s)
^  Fail: (205) [user] is_delimiter(s)
   Call: (205) [system] ')'==s
   Fail: (205) [system] ')'==s
   Call: (205) [system] get_char((0x563acd73bee0), s)
   Exit: (205) [system] get_char((0x563acd73bee0), s)
   Call: (205) [system] s=(\)
   Fail: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _216862)
   Call: (206) [system] peek_char((0x563acd73bee0), _217796)
   Exit: (206) [system] peek_char((0x563acd73bee0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_222516, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_223448, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x563acd73bee0), i)
   Exit: (206) [system] get_char((0x563acd73bee0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _230798)
   Call: (207) [system] peek_char((0x563acd73bee0), _231732)
   Exit: (207) [system] peek_char((0x563acd73bee0), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_236452, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_237384, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x563acd73bee0), o)
   Exit: (207) [system] get_char((0x563acd73bee0), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _244734)
   Call: (208) [system] peek_char((0x563acd73bee0), _245668)
   Exit: (208) [system] peek_char((0x563acd73bee0), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Fail: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_250388, v('(', ')', end_of_file), n)
   Fail: (209) [system] arg(_251320, v('(', ')', end_of_file), n)
^  Fail: (208) [user] is_delimiter(n)
   Call: (208) [system] ')'==n
   Fail: (208) [system] ')'==n
   Call: (208) [system] get_char((0x563acd73bee0), n)
   Exit: (208) [system] get_char((0x563acd73bee0), n)
   Call: (208) [system] n=(\)
   Fail: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _258670)
   Call: (209) [system] peek_char((0x563acd73bee0), _259604)
   Exit: (209) [system] peek_char((0x563acd73bee0), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_264324, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _258670=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (208) [system] _244734=[n]
   Exit: (208) [system] [n]=[n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (207) [system] _230798=[o, n]
   Exit: (207) [system] [o, n]=[o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (206) [system] _216862=[i, o, n]
   Exit: (206) [system] [i, o, n]=[i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (205) [system] _202926=[s, i, o, n]
   Exit: (205) [system] [s, i, o, n]=[s, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, i, o, n])
   Call: (204) [system] _188990=[u, s, i, o, n]
   Exit: (204) [system] [u, s, i, o, n]=[u, s, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, s, i, o, n])
   Call: (203) [system] _175054=[l, u, s, i, o, n]
   Exit: (203) [system] [l, u, s, i, o, n]=[l, u, s, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, u, s, i, o, n])
   Call: (202) [system] _161118=[c, l, u, s, i, o, n]
   Exit: (202) [system] [c, l, u, s, i, o, n]=[c, l, u, s, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, l, u, s, i, o, n])
   Call: (201) [system] _147182=[n, c, l, u, s, i, o, n]
   Exit: (201) [system] [n, c, l, u, s, i, o, n]=[n, c, l, u, s, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, l, u, s, i, o, n])
   Call: (200) [system] _133246=[o, n, c, l, u, s, i, o, n]
   Exit: (200) [system] [o, n, c, l, u, s, i, o, n]=[o, n, c, l, u, s, i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, c, l, u, s, i, o, n])
   Call: (199) [system] _119310=[c, o, n, c, l, u, s, i, o, n]
   Exit: (199) [system] [c, o, n, c, l, u, s, i, o, n]=[c, o, n, c, l, u, s, i, o, n]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, o, n, c, l, u, s, i, o, n])
^  Call: (198) [user] classify_and_convert_charseq([$, c, o, n, c, l, u, s, i, o, n], _83800)
^  Call: (199) [user] classify_and_convert_charseq_([$, c, o, n, c, l, u, s, i, o, n], _298700)
   Call: (200) [system] atom_chars(_299632, ['_', c, o, n, c, l, u, s, i, o, n])
   Exit: (200) [system] atom_chars('_conclusion', ['_', c, o, n, c, l, u, s, i, o, n])
^  Exit: (199) [user] classify_and_convert_charseq_([$, c, o, n, c, l, u, s, i, o, n], _conclusion)
   Call: (199) [system] integer(_conclusion)
   Fail: (199) [system] integer(_conclusion)
   Call: (199) [system] _83800=_conclusion
   Exit: (199) [system] _conclusion=_conclusion
^  Exit: (198) [user] classify_and_convert_charseq([$, c, o, n, c, l, u, s, i, o, n], _conclusion)
^  Exit: (197) [user] read_symbolic(')', (0x563acd73bee0), $, _conclusion)
^  Exit: (196) [user] cont_sexpr(')', (0x563acd73bee0), _conclusion)
^  Call: (196) [user] read_list(')', (0x563acd73bee0), _308924)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _310782)
   Exit: (198) [system] peek_char((0x563acd73bee0), ')')
   Call: (198) [system] ')'=(;)
   Fail: (198) [system] ')'=(;)
   Call: (198) [system] ')'=(/)
   Fail: (198) [system] ')'=(/)
^  Call: (198) [user] is_like_space(')')
   Call: (199) [system] char_type(')', 'white')
   Fail: (199) [system] char_type(')', 'white')
   Call: (199) [system] char_type(')', end_of_line)
   Fail: (199) [system] char_type(')', end_of_line)
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] char_type(')', cntrl)
   Fail: (199) [system] char_type(')', cntrl)
^  Fail: (198) [user] is_like_space(')')
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _326792)
   Exit: (197) [system] peek_char((0x563acd73bee0), ')')
   Call: (197) [system] ')'=')'
   Exit: (197) [system] ')'=')'
   Call: (197) [system] get_char((0x563acd73bee0), _330582)
   Exit: (197) [system] get_char((0x563acd73bee0), ')')
   Call: (197) [system] _308924=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_list(')', (0x563acd73bee0), [])
   Call: (196) [system] _47140=[_conclusion]
   Exit: (196) [system] [_conclusion]=[_conclusion]
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), [_conclusion])
   Call: (195) [system] _3532=[[_ructor, _proof], _conclusion]
   Exit: (195) [system] [[_ructor, _proof], _conclusion]=[[_ructor, _proof], _conclusion]
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), [[_ructor, _proof], _conclusion])
   Call: (194) [system] _3524=[:, [_ructor, _proof], _conclusion]
   Exit: (194) [system] [:, [_ructor, _proof], _conclusion]=[:, [_ructor, _proof], _conclusion]
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), [:, [_ructor, _proof], _conclusion])
^  Exit: (192) [user] cont_sexpr(')', (0x563acd73bee0), [:, [_ructor, _proof], _conclusion])
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _344464)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _346322)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x563acd73bee0), _355916)
   Exit: (194) [system] get_char((0x563acd73bee0), ' ')
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _358620)
   Exit: (195) [system] peek_char((0x563acd73bee0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _375554)
   Exit: (193) [system] peek_char((0x563acd73bee0), $)
   Call: (193) [system] ($)=')'
   Fail: (193) [system] ($)=')'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x563acd73bee0), _381124)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _382982)
   Exit: (195) [system] peek_char((0x563acd73bee0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] get_char((0x563acd73bee0), _398992)
   Exit: (194) [system] get_char((0x563acd73bee0), $)
   Call: (194) [system] ($)='('
   Fail: (194) [system] ($)='('
   Call: (194) [system] ($)='['
   Fail: (194) [system] ($)='['
   Call: (194) [system] ($)='{'
   Fail: (194) [system] ($)='{'
   Call: (194) [system] ($)='"'
   Fail: (194) [system] ($)='"'
   Call: (194) [system] ($)=!
   Fail: (194) [system] ($)=!
   Call: (194) [system] ($)='\''
   Fail: (194) [system] ($)='\''
   Call: (194) [system] ($)='`'
   Fail: (194) [system] ($)='`'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x563acd73bee0), $, _381124)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _416634)
   Call: (196) [system] peek_char((0x563acd73bee0), _417568)
   Exit: (196) [system] peek_char((0x563acd73bee0), q)
^  Call: (196) [user] is_delimiter(q)
   Call: (197) [system] char_type(q, space)
   Fail: (197) [system] char_type(q, space)
   Call: (197) [system] arg(_422288, v('(', ')', end_of_file), q)
   Fail: (197) [system] arg(_423220, v('(', ')', end_of_file), q)
^  Fail: (196) [user] is_delimiter(q)
   Call: (196) [system] ')'==q
   Fail: (196) [system] ')'==q
   Call: (196) [system] get_char((0x563acd73bee0), q)
   Exit: (196) [system] get_char((0x563acd73bee0), q)
   Call: (196) [system] q=(\)
   Fail: (196) [system] q=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _430570)
   Call: (197) [system] peek_char((0x563acd73bee0), _431504)
   Exit: (197) [system] peek_char((0x563acd73bee0), u)
^  Call: (197) [user] is_delimiter(u)
   Call: (198) [system] char_type(u, space)
   Fail: (198) [system] char_type(u, space)
   Call: (198) [system] arg(_436224, v('(', ')', end_of_file), u)
   Fail: (198) [system] arg(_437156, v('(', ')', end_of_file), u)
^  Fail: (197) [user] is_delimiter(u)
   Call: (197) [system] ')'==u
   Fail: (197) [system] ')'==u
   Call: (197) [system] get_char((0x563acd73bee0), u)
   Exit: (197) [system] get_char((0x563acd73bee0), u)
   Call: (197) [system] u=(\)
   Fail: (197) [system] u=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _444506)
   Call: (198) [system] peek_char((0x563acd73bee0), _445440)
   Exit: (198) [system] peek_char((0x563acd73bee0), e)
^  Call: (198) [user] is_delimiter(e)
   Call: (199) [system] char_type(e, space)
   Fail: (199) [system] char_type(e, space)
   Call: (199) [system] arg(_450160, v('(', ')', end_of_file), e)
   Fail: (199) [system] arg(_451092, v('(', ')', end_of_file), e)
^  Fail: (198) [user] is_delimiter(e)
   Call: (198) [system] ')'==e
   Fail: (198) [system] ')'==e
   Call: (198) [system] get_char((0x563acd73bee0), e)
   Exit: (198) [system] get_char((0x563acd73bee0), e)
   Call: (198) [system] e=(\)
   Fail: (198) [system] e=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _458442)
   Call: (199) [system] peek_char((0x563acd73bee0), _459376)
   Exit: (199) [system] peek_char((0x563acd73bee0), r)
^  Call: (199) [user] is_delimiter(r)
   Call: (200) [system] char_type(r, space)
   Fail: (200) [system] char_type(r, space)
   Call: (200) [system] arg(_464096, v('(', ')', end_of_file), r)
   Fail: (200) [system] arg(_465028, v('(', ')', end_of_file), r)
^  Fail: (199) [user] is_delimiter(r)
   Call: (199) [system] ')'==r
   Fail: (199) [system] ')'==r
   Call: (199) [system] get_char((0x563acd73bee0), r)
   Exit: (199) [system] get_char((0x563acd73bee0), r)
   Call: (199) [system] r=(\)
   Fail: (199) [system] r=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _472378)
   Call: (200) [system] peek_char((0x563acd73bee0), _473312)
   Exit: (200) [system] peek_char((0x563acd73bee0), y)
^  Call: (200) [user] is_delimiter(y)
   Call: (201) [system] char_type(y, space)
   Fail: (201) [system] char_type(y, space)
   Call: (201) [system] arg(_478032, v('(', ')', end_of_file), y)
   Fail: (201) [system] arg(_478964, v('(', ')', end_of_file), y)
^  Fail: (200) [user] is_delimiter(y)
   Call: (200) [system] ')'==y
   Fail: (200) [system] ')'==y
   Call: (200) [system] get_char((0x563acd73bee0), y)
   Exit: (200) [system] get_char((0x563acd73bee0), y)
   Call: (200) [system] y=(\)
   Fail: (200) [system] y=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _486314)
   Call: (201) [system] peek_char((0x563acd73bee0), _487248)
   Exit: (201) [system] peek_char((0x563acd73bee0), ')')
^  Call: (201) [user] is_delimiter(')')
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] arg(_491968, v('(', ')', end_of_file), ')')
   Exit: (202) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (201) [user] is_delimiter(')')
   Call: (201) [system] _486314=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (200) [system] _472378=[y]
   Exit: (200) [system] [y]=[y]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [y])
   Call: (199) [system] _458442=[r, y]
   Exit: (199) [system] [r, y]=[r, y]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, y])
   Call: (198) [system] _444506=[e, r, y]
   Exit: (198) [system] [e, r, y]=[e, r, y]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, r, y])
   Call: (197) [system] _430570=[u, e, r, y]
   Exit: (197) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, e, r, y])
   Call: (196) [system] _416634=[q, u, e, r, y]
   Exit: (196) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [q, u, e, r, y])
^  Call: (195) [user] classify_and_convert_charseq([$, q, u, e, r, y], _381124)
^  Call: (196) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _512374)
   Call: (197) [system] atom_chars(_513306, ['_', q, u, e, r, y])
   Exit: (197) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (196) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _query)
   Call: (196) [system] integer(_query)
   Fail: (196) [system] integer(_query)
   Call: (196) [system] _381124=_query
   Exit: (196) [system] _query=_query
^  Exit: (195) [user] classify_and_convert_charseq([$, q, u, e, r, y], _query)
^  Exit: (194) [user] read_symbolic(')', (0x563acd73bee0), $, _query)
^  Exit: (193) [user] cont_sexpr(')', (0x563acd73bee0), _query)
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _522598)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _524456)
   Exit: (195) [system] peek_char((0x563acd73bee0), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
   Call: (195) [system] ')'=(/)
   Fail: (195) [system] ')'=(/)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _540466)
   Exit: (194) [system] peek_char((0x563acd73bee0), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x563acd73bee0), _544256)
   Exit: (194) [system] get_char((0x563acd73bee0), ')')
   Call: (194) [system] _522598=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), [])
   Call: (193) [system] _344464=[_query]
   Exit: (193) [system] [_query]=[_query]
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), [_query])
   Call: (192) [system] _3518=[[:, [_ructor, _proof], _conclusion], _query]
   Exit: (192) [system] [[:, [_ructor, _proof], _conclusion], _query]=[[:, [_ructor, _proof], _conclusion], _query]
^  Exit: (191) [user] read_list(')', (0x563acd73bee0), [[:, [_ructor, _proof], _conclusion], _query])
^  Exit: (190) [user] cont_sexpr(')', (0x563acd73bee0), [[:, [_ructor, _proof], _conclusion], _query])
^  Call: (190) [user] read_list(')', (0x563acd73bee0), _555344)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _557202)
   Exit: (192) [system] peek_char((0x563acd73bee0), '\n')
   Call: (192) [system] '\n'=(;)
   Fail: (192) [system] '\n'=(;)
   Call: (192) [system] '\n'=(/)
   Fail: (192) [system] '\n'=(/)
^  Call: (192) [user] is_like_space('\n')
   Call: (193) [system] char_type('\n', 'white')
   Fail: (193) [system] char_type('\n', 'white')
   Call: (193) [system] char_type('\n', end_of_line)
   Exit: (193) [system] char_type('\n', end_of_line)
^  Exit: (192) [user] is_like_space('\n')
   Call: (192) [system] get_char((0x563acd73bee0), _568652)
   Exit: (192) [system] get_char((0x563acd73bee0), '\n')
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _571356)
   Exit: (193) [system] peek_char((0x563acd73bee0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x563acd73bee0), _580950)
   Exit: (193) [system] get_char((0x563acd73bee0), ' ')
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _583654)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x563acd73bee0), _593248)
   Exit: (194) [system] get_char((0x563acd73bee0), ' ')
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _595952)
   Exit: (195) [system] peek_char((0x563acd73bee0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x563acd73bee0), _605546)
   Exit: (195) [system] get_char((0x563acd73bee0), ' ')
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _608250)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x563acd73bee0), _617844)
   Exit: (196) [system] get_char((0x563acd73bee0), ' ')
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _620548)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x563acd73bee0), _630142)
   Exit: (197) [system] get_char((0x563acd73bee0), ' ')
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _632846)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x563acd73bee0), _642440)
   Exit: (198) [system] get_char((0x563acd73bee0), ' ')
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _645144)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x563acd73bee0), _654738)
   Exit: (199) [system] get_char((0x563acd73bee0), ' ')
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _657442)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x563acd73bee0), _667036)
   Exit: (200) [system] get_char((0x563acd73bee0), ' ')
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _669740)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _679334)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _682038)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x563acd73bee0), _691632)
   Exit: (202) [system] get_char((0x563acd73bee0), ' ')
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _694336)
   Exit: (203) [system] peek_char((0x563acd73bee0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _720510)
   Exit: (191) [system] peek_char((0x563acd73bee0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x563acd73bee0), _726080)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _727938)
   Exit: (193) [system] peek_char((0x563acd73bee0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] get_char((0x563acd73bee0), _743948)
   Exit: (192) [system] get_char((0x563acd73bee0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _726080)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _749518)
   Exit: (194) [system] peek_char((0x563acd73bee0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _765528)
   Exit: (193) [system] peek_char((0x563acd73bee0), '(')
   Call: (193) [system] '('=')'
   Fail: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
   Fail: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x563acd73bee0), _771098)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _772956)
   Exit: (195) [system] peek_char((0x563acd73bee0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] get_char((0x563acd73bee0), _788966)
   Exit: (194) [system] get_char((0x563acd73bee0), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _771098)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _794536)
   Exit: (196) [system] peek_char((0x563acd73bee0), :)
   Call: (196) [system] (:)=(;)
   Fail: (196) [system] (:)=(;)
   Call: (196) [system] (:)=(/)
   Fail: (196) [system] (:)=(/)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Fail: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Fail: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Fail: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
   Fail: (197) [system] char_type(:, cntrl)
^  Fail: (196) [user] is_like_space(:)
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _810546)
   Exit: (195) [system] peek_char((0x563acd73bee0), :)
   Call: (195) [system] (:)=')'
   Fail: (195) [system] (:)=')'
   Call: (195) [system] (:)=end_of_file
   Fail: (195) [system] (:)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x563acd73bee0), _816116)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _817974)
   Exit: (197) [system] peek_char((0x563acd73bee0), :)
   Call: (197) [system] (:)=(;)
   Fail: (197) [system] (:)=(;)
   Call: (197) [system] (:)=(/)
   Fail: (197) [system] (:)=(/)
^  Call: (197) [user] is_like_space(:)
   Call: (198) [system] char_type(:, 'white')
   Fail: (198) [system] char_type(:, 'white')
   Call: (198) [system] char_type(:, end_of_line)
   Fail: (198) [system] char_type(:, end_of_line)
   Call: (198) [system] char_type(:, space)
   Fail: (198) [system] char_type(:, space)
   Call: (198) [system] char_type(:, cntrl)
   Fail: (198) [system] char_type(:, cntrl)
^  Fail: (197) [user] is_like_space(:)
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] get_char((0x563acd73bee0), _833984)
   Exit: (196) [system] get_char((0x563acd73bee0), :)
   Call: (196) [system] (:)='('
   Fail: (196) [system] (:)='('
   Call: (196) [system] (:)='['
   Fail: (196) [system] (:)='['
   Call: (196) [system] (:)='{'
   Fail: (196) [system] (:)='{'
   Call: (196) [system] (:)='"'
   Fail: (196) [system] (:)='"'
   Call: (196) [system] (:)=!
   Fail: (196) [system] (:)=!
   Call: (196) [system] (:)='\''
   Fail: (196) [system] (:)='\''
   Call: (196) [system] (:)='`'
   Fail: (196) [system] (:)='`'
   Call: (196) [system] (:)=end_of_file
   Fail: (196) [system] (:)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x563acd73bee0), :, _816116)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _851626)
   Call: (198) [system] peek_char((0x563acd73bee0), _852560)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _851626=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (197) [user] classify_and_convert_charseq([:], _816116)
^  Call: (198) [user] classify_and_convert_charseq_([:], _861844)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_862796, _862798), once(user:catch(read_from_chars([:], _861844), _862778, fail)), '$restore_trace'(_862796, _862798))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_862796, _862798))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _862778, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(:)
   Exit: (199) [system] atomic(:)
^  Exit: (198) [user] classify_and_convert_charseq_([:], :)
   Call: (198) [system] integer(:)
   Fail: (198) [system] integer(:)
   Call: (198) [system] _816116=(:)
   Exit: (198) [system] (:)=(:)
^  Exit: (197) [user] classify_and_convert_charseq([:], :)
^  Exit: (196) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (195) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _874924)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _876782)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x563acd73bee0), _886376)
   Exit: (197) [system] get_char((0x563acd73bee0), ' ')
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _889080)
   Exit: (198) [system] peek_char((0x563acd73bee0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _906014)
   Exit: (196) [system] peek_char((0x563acd73bee0), $)
   Call: (196) [system] ($)=')'
   Fail: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x563acd73bee0), _911584)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _913442)
   Exit: (198) [system] peek_char((0x563acd73bee0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] get_char((0x563acd73bee0), _929452)
   Exit: (197) [system] get_char((0x563acd73bee0), $)
   Call: (197) [system] ($)='('
   Fail: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Fail: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Fail: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Fail: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Fail: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Fail: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Fail: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x563acd73bee0), $, _911584)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _947094)
   Call: (199) [system] peek_char((0x563acd73bee0), _948028)
   Exit: (199) [system] peek_char((0x563acd73bee0), p)
^  Call: (199) [user] is_delimiter(p)
   Call: (200) [system] char_type(p, space)
   Fail: (200) [system] char_type(p, space)
   Call: (200) [system] arg(_952748, v('(', ')', end_of_file), p)
   Fail: (200) [system] arg(_953680, v('(', ')', end_of_file), p)
^  Fail: (199) [user] is_delimiter(p)
   Call: (199) [system] ')'==p
   Fail: (199) [system] ')'==p
   Call: (199) [system] get_char((0x563acd73bee0), p)
   Exit: (199) [system] get_char((0x563acd73bee0), p)
   Call: (199) [system] p=(\)
   Fail: (199) [system] p=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _961030)
   Call: (200) [system] peek_char((0x563acd73bee0), _961964)
   Exit: (200) [system] peek_char((0x563acd73bee0), r)
^  Call: (200) [user] is_delimiter(r)
   Call: (201) [system] char_type(r, space)
   Fail: (201) [system] char_type(r, space)
   Call: (201) [system] arg(_966684, v('(', ')', end_of_file), r)
   Fail: (201) [system] arg(_967616, v('(', ')', end_of_file), r)
^  Fail: (200) [user] is_delimiter(r)
   Call: (200) [system] ')'==r
   Fail: (200) [system] ')'==r
   Call: (200) [system] get_char((0x563acd73bee0), r)
   Exit: (200) [system] get_char((0x563acd73bee0), r)
   Call: (200) [system] r=(\)
   Fail: (200) [system] r=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _974966)
   Call: (201) [system] peek_char((0x563acd73bee0), _975900)
   Exit: (201) [system] peek_char((0x563acd73bee0), o)
^  Call: (201) [user] is_delimiter(o)
   Call: (202) [system] char_type(o, space)
   Fail: (202) [system] char_type(o, space)
   Call: (202) [system] arg(_980620, v('(', ')', end_of_file), o)
   Fail: (202) [system] arg(_981552, v('(', ')', end_of_file), o)
^  Fail: (201) [user] is_delimiter(o)
   Call: (201) [system] ')'==o
   Fail: (201) [system] ')'==o
   Call: (201) [system] get_char((0x563acd73bee0), o)
   Exit: (201) [system] get_char((0x563acd73bee0), o)
   Call: (201) [system] o=(\)
   Fail: (201) [system] o=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _988902)
   Call: (202) [system] peek_char((0x563acd73bee0), _989836)
   Exit: (202) [system] peek_char((0x563acd73bee0), o)
^  Call: (202) [user] is_delimiter(o)
   Call: (203) [system] char_type(o, space)
   Fail: (203) [system] char_type(o, space)
   Call: (203) [system] arg(_994556, v('(', ')', end_of_file), o)
   Fail: (203) [system] arg(_995488, v('(', ')', end_of_file), o)
^  Fail: (202) [user] is_delimiter(o)
   Call: (202) [system] ')'==o
   Fail: (202) [system] ')'==o
   Call: (202) [system] get_char((0x563acd73bee0), o)
   Exit: (202) [system] get_char((0x563acd73bee0), o)
   Call: (202) [system] o=(\)
   Fail: (202) [system] o=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1002838)
   Call: (203) [system] peek_char((0x563acd73bee0), _1003772)
   Exit: (203) [system] peek_char((0x563acd73bee0), f)
^  Call: (203) [user] is_delimiter(f)
   Call: (204) [system] char_type(f, space)
   Fail: (204) [system] char_type(f, space)
   Call: (204) [system] arg(_1008492, v('(', ')', end_of_file), f)
   Fail: (204) [system] arg(_1009424, v('(', ')', end_of_file), f)
^  Fail: (203) [user] is_delimiter(f)
   Call: (203) [system] ')'==f
   Fail: (203) [system] ')'==f
   Call: (203) [system] get_char((0x563acd73bee0), f)
   Exit: (203) [system] get_char((0x563acd73bee0), f)
   Call: (203) [system] f=(\)
   Fail: (203) [system] f=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1016774)
   Call: (204) [system] peek_char((0x563acd73bee0), _1017708)
   Exit: (204) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _1016774=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (203) [system] _1002838=[f]
   Exit: (203) [system] [f]=[f]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [f])
   Call: (202) [system] _988902=[o, f]
   Exit: (202) [system] [o, f]=[o, f]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, f])
   Call: (201) [system] _974966=[o, o, f]
   Exit: (201) [system] [o, o, f]=[o, o, f]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, o, f])
   Call: (200) [system] _961030=[r, o, o, f]
   Exit: (200) [system] [r, o, o, f]=[r, o, o, f]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, o, f])
   Call: (199) [system] _947094=[p, r, o, o, f]
   Exit: (199) [system] [p, r, o, o, f]=[p, r, o, o, f]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, o, o, f])
^  Call: (198) [user] classify_and_convert_charseq([$, p, r, o, o, f], _911584)
^  Call: (199) [user] classify_and_convert_charseq_([$, p, r, o, o, f], _1040962)
   Call: (200) [system] atom_chars(_1041894, ['_', p, r, o, o, f])
   Exit: (200) [system] atom_chars('_proof', ['_', p, r, o, o, f])
^  Exit: (199) [user] classify_and_convert_charseq_([$, p, r, o, o, f], _proof)
   Call: (199) [system] integer(_proof)
   Fail: (199) [system] integer(_proof)
   Call: (199) [system] _911584=_proof
   Exit: (199) [system] _proof=_proof
^  Exit: (198) [user] classify_and_convert_charseq([$, p, r, o, o, f], _proof)
^  Exit: (197) [user] read_symbolic(')', (0x563acd73bee0), $, _proof)
^  Exit: (196) [user] cont_sexpr(')', (0x563acd73bee0), _proof)
^  Call: (196) [user] read_list(')', (0x563acd73bee0), _1051186)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1053044)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x563acd73bee0), _1062638)
   Exit: (198) [system] get_char((0x563acd73bee0), ' ')
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1065342)
   Exit: (199) [system] peek_char((0x563acd73bee0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1082276)
   Exit: (197) [system] peek_char((0x563acd73bee0), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x563acd73bee0), _1087846)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1089704)
   Exit: (199) [system] peek_char((0x563acd73bee0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] get_char((0x563acd73bee0), _1105714)
   Exit: (198) [system] get_char((0x563acd73bee0), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x563acd73bee0), $, _1087846)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _1123356)
   Call: (200) [system] peek_char((0x563acd73bee0), _1124290)
   Exit: (200) [system] peek_char((0x563acd73bee0), p)
^  Call: (200) [user] is_delimiter(p)
   Call: (201) [system] char_type(p, space)
   Fail: (201) [system] char_type(p, space)
   Call: (201) [system] arg(_1129010, v('(', ')', end_of_file), p)
   Fail: (201) [system] arg(_1129942, v('(', ')', end_of_file), p)
^  Fail: (200) [user] is_delimiter(p)
   Call: (200) [system] ')'==p
   Fail: (200) [system] ')'==p
   Call: (200) [system] get_char((0x563acd73bee0), p)
   Exit: (200) [system] get_char((0x563acd73bee0), p)
   Call: (200) [system] p=(\)
   Fail: (200) [system] p=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _1137292)
   Call: (201) [system] peek_char((0x563acd73bee0), _1138226)
   Exit: (201) [system] peek_char((0x563acd73bee0), r)
^  Call: (201) [user] is_delimiter(r)
   Call: (202) [system] char_type(r, space)
   Fail: (202) [system] char_type(r, space)
   Call: (202) [system] arg(_1142946, v('(', ')', end_of_file), r)
   Fail: (202) [system] arg(_1143878, v('(', ')', end_of_file), r)
^  Fail: (201) [user] is_delimiter(r)
   Call: (201) [system] ')'==r
   Fail: (201) [system] ')'==r
   Call: (201) [system] get_char((0x563acd73bee0), r)
   Exit: (201) [system] get_char((0x563acd73bee0), r)
   Call: (201) [system] r=(\)
   Fail: (201) [system] r=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _1151228)
   Call: (202) [system] peek_char((0x563acd73bee0), _1152162)
   Exit: (202) [system] peek_char((0x563acd73bee0), e)
^  Call: (202) [user] is_delimiter(e)
   Call: (203) [system] char_type(e, space)
   Fail: (203) [system] char_type(e, space)
   Call: (203) [system] arg(_1156882, v('(', ')', end_of_file), e)
   Fail: (203) [system] arg(_1157814, v('(', ')', end_of_file), e)
^  Fail: (202) [user] is_delimiter(e)
   Call: (202) [system] ')'==e
   Fail: (202) [system] ')'==e
   Call: (202) [system] get_char((0x563acd73bee0), e)
   Exit: (202) [system] get_char((0x563acd73bee0), e)
   Call: (202) [system] e=(\)
   Fail: (202) [system] e=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1165164)
   Call: (203) [system] peek_char((0x563acd73bee0), _1166098)
   Exit: (203) [system] peek_char((0x563acd73bee0), m)
^  Call: (203) [user] is_delimiter(m)
   Call: (204) [system] char_type(m, space)
   Fail: (204) [system] char_type(m, space)
   Call: (204) [system] arg(_1170818, v('(', ')', end_of_file), m)
   Fail: (204) [system] arg(_1171750, v('(', ')', end_of_file), m)
^  Fail: (203) [user] is_delimiter(m)
   Call: (203) [system] ')'==m
   Fail: (203) [system] ')'==m
   Call: (203) [system] get_char((0x563acd73bee0), m)
   Exit: (203) [system] get_char((0x563acd73bee0), m)
   Call: (203) [system] m=(\)
   Fail: (203) [system] m=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1179100)
   Call: (204) [system] peek_char((0x563acd73bee0), _1180034)
   Exit: (204) [system] peek_char((0x563acd73bee0), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Fail: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_1184754, v('(', ')', end_of_file), i)
   Fail: (205) [system] arg(_1185686, v('(', ')', end_of_file), i)
^  Fail: (204) [user] is_delimiter(i)
   Call: (204) [system] ')'==i
   Fail: (204) [system] ')'==i
   Call: (204) [system] get_char((0x563acd73bee0), i)
   Exit: (204) [system] get_char((0x563acd73bee0), i)
   Call: (204) [system] i=(\)
   Fail: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1193036)
   Call: (205) [system] peek_char((0x563acd73bee0), _1193970)
   Exit: (205) [system] peek_char((0x563acd73bee0), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Fail: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_1198690, v('(', ')', end_of_file), s)
   Fail: (206) [system] arg(_1199622, v('(', ')', end_of_file), s)
^  Fail: (205) [user] is_delimiter(s)
   Call: (205) [system] ')'==s
   Fail: (205) [system] ')'==s
   Call: (205) [system] get_char((0x563acd73bee0), s)
   Exit: (205) [system] get_char((0x563acd73bee0), s)
   Call: (205) [system] s=(\)
   Fail: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1206972)
   Call: (206) [system] peek_char((0x563acd73bee0), _1207906)
   Exit: (206) [system] peek_char((0x563acd73bee0), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Fail: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_1212626, v('(', ')', end_of_file), e)
   Fail: (207) [system] arg(_1213558, v('(', ')', end_of_file), e)
^  Fail: (206) [user] is_delimiter(e)
   Call: (206) [system] ')'==e
   Fail: (206) [system] ')'==e
   Call: (206) [system] get_char((0x563acd73bee0), e)
   Exit: (206) [system] get_char((0x563acd73bee0), e)
   Call: (206) [system] e=(\)
   Fail: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1220908)
   Call: (207) [system] peek_char((0x563acd73bee0), _1221842)
   Exit: (207) [system] peek_char((0x563acd73bee0), ')')
^  Call: (207) [user] is_delimiter(')')
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] arg(_1226562, v('(', ')', end_of_file), ')')
   Exit: (208) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (207) [user] is_delimiter(')')
   Call: (207) [system] _1220908=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (206) [system] _1206972=[e]
   Exit: (206) [system] [e]=[e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [e])
   Call: (205) [system] _1193036=[s, e]
   Exit: (205) [system] [s, e]=[s, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, e])
   Call: (204) [system] _1179100=[i, s, e]
   Exit: (204) [system] [i, s, e]=[i, s, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, e])
   Call: (203) [system] _1165164=[m, i, s, e]
   Exit: (203) [system] [m, i, s, e]=[m, i, s, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, i, s, e])
   Call: (202) [system] _1151228=[e, m, i, s, e]
   Exit: (202) [system] [e, m, i, s, e]=[e, m, i, s, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, m, i, s, e])
   Call: (201) [system] _1137292=[r, e, m, i, s, e]
   Exit: (201) [system] [r, e, m, i, s, e]=[r, e, m, i, s, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, e, m, i, s, e])
   Call: (200) [system] _1123356=[p, r, e, m, i, s, e]
   Exit: (200) [system] [p, r, e, m, i, s, e]=[p, r, e, m, i, s, e]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, e, m, i, s, e])
^  Call: (199) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e], _1087846)
^  Call: (200) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e], _1252556)
   Call: (201) [system] atom_chars(_1253488, ['_', p, r, e, m, i, s, e])
   Exit: (201) [system] atom_chars('_premise', ['_', p, r, e, m, i, s, e])
^  Exit: (200) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e], _premise)
   Call: (200) [system] integer(_premise)
   Fail: (200) [system] integer(_premise)
   Call: (200) [system] _1087846=_premise
   Exit: (200) [system] _premise=_premise
^  Exit: (199) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e], _premise)
^  Exit: (198) [user] read_symbolic(')', (0x563acd73bee0), $, _premise)
^  Exit: (197) [user] cont_sexpr(')', (0x563acd73bee0), _premise)
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _1262780)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1264638)
   Exit: (199) [system] peek_char((0x563acd73bee0), ')')
   Call: (199) [system] ')'=(;)
   Fail: (199) [system] ')'=(;)
   Call: (199) [system] ')'=(/)
   Fail: (199) [system] ')'=(/)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Fail: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Fail: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
   Fail: (200) [system] char_type(')', cntrl)
^  Fail: (199) [user] is_like_space(')')
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1280648)
   Exit: (198) [system] peek_char((0x563acd73bee0), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x563acd73bee0), _1284438)
   Exit: (198) [system] get_char((0x563acd73bee0), ')')
   Call: (198) [system] _1262780=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x563acd73bee0), [])
   Call: (197) [system] _1051186=[_premise]
   Exit: (197) [system] [_premise]=[_premise]
^  Exit: (196) [user] read_list(')', (0x563acd73bee0), [_premise])
   Call: (196) [system] _874924=[_proof, _premise]
   Exit: (196) [system] [_proof, _premise]=[_proof, _premise]
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), [_proof, _premise])
   Call: (195) [system] _771098=[:, _proof, _premise]
   Exit: (195) [system] [:, _proof, _premise]=[:, _proof, _premise]
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), [:, _proof, _premise])
^  Exit: (193) [user] cont_sexpr(')', (0x563acd73bee0), [:, _proof, _premise])
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _1298320)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1300178)
   Exit: (195) [system] peek_char((0x563acd73bee0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x563acd73bee0), _1309772)
   Exit: (195) [system] get_char((0x563acd73bee0), ' ')
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1312476)
   Exit: (196) [system] peek_char((0x563acd73bee0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1329410)
   Exit: (194) [system] peek_char((0x563acd73bee0), '(')
   Call: (194) [system] '('=')'
   Fail: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
   Fail: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x563acd73bee0), _1334980)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1336838)
   Exit: (196) [system] peek_char((0x563acd73bee0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] get_char((0x563acd73bee0), _1352848)
   Exit: (195) [system] get_char((0x563acd73bee0), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _1334980)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1358418)
   Exit: (197) [system] peek_char((0x563acd73bee0), s)
   Call: (197) [system] s=(;)
   Fail: (197) [system] s=(;)
   Call: (197) [system] s=(/)
   Fail: (197) [system] s=(/)
^  Call: (197) [user] is_like_space(s)
   Call: (198) [system] char_type(s, 'white')
   Fail: (198) [system] char_type(s, 'white')
   Call: (198) [system] char_type(s, end_of_line)
   Fail: (198) [system] char_type(s, end_of_line)
   Call: (198) [system] char_type(s, space)
   Fail: (198) [system] char_type(s, space)
   Call: (198) [system] char_type(s, cntrl)
   Fail: (198) [system] char_type(s, cntrl)
^  Fail: (197) [user] is_like_space(s)
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1374428)
   Exit: (196) [system] peek_char((0x563acd73bee0), s)
   Call: (196) [system] s=')'
   Fail: (196) [system] s=')'
   Call: (196) [system] s=end_of_file
   Fail: (196) [system] s=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x563acd73bee0), _1379998)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1381856)
   Exit: (198) [system] peek_char((0x563acd73bee0), s)
   Call: (198) [system] s=(;)
   Fail: (198) [system] s=(;)
   Call: (198) [system] s=(/)
   Fail: (198) [system] s=(/)
^  Call: (198) [user] is_like_space(s)
   Call: (199) [system] char_type(s, 'white')
   Fail: (199) [system] char_type(s, 'white')
   Call: (199) [system] char_type(s, end_of_line)
   Fail: (199) [system] char_type(s, end_of_line)
   Call: (199) [system] char_type(s, space)
   Fail: (199) [system] char_type(s, space)
   Call: (199) [system] char_type(s, cntrl)
   Fail: (199) [system] char_type(s, cntrl)
^  Fail: (198) [user] is_like_space(s)
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] get_char((0x563acd73bee0), _1397866)
   Exit: (197) [system] get_char((0x563acd73bee0), s)
   Call: (197) [system] s='('
   Fail: (197) [system] s='('
   Call: (197) [system] s='['
   Fail: (197) [system] s='['
   Call: (197) [system] s='{'
   Fail: (197) [system] s='{'
   Call: (197) [system] s='"'
   Fail: (197) [system] s='"'
   Call: (197) [system] s=!
   Fail: (197) [system] s=!
   Call: (197) [system] s='\''
   Fail: (197) [system] s='\''
   Call: (197) [system] s='`'
   Fail: (197) [system] s='`'
   Call: (197) [system] s=end_of_file
   Fail: (197) [system] s=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x563acd73bee0), s, _1379998)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _1415508)
   Call: (199) [system] peek_char((0x563acd73bee0), _1416442)
   Exit: (199) [system] peek_char((0x563acd73bee0), y)
^  Call: (199) [user] is_delimiter(y)
   Call: (200) [system] char_type(y, space)
   Fail: (200) [system] char_type(y, space)
   Call: (200) [system] arg(_1421162, v('(', ')', end_of_file), y)
   Fail: (200) [system] arg(_1422094, v('(', ')', end_of_file), y)
^  Fail: (199) [user] is_delimiter(y)
   Call: (199) [system] ')'==y
   Fail: (199) [system] ')'==y
   Call: (199) [system] get_char((0x563acd73bee0), y)
   Exit: (199) [system] get_char((0x563acd73bee0), y)
   Call: (199) [system] y=(\)
   Fail: (199) [system] y=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _1429444)
   Call: (200) [system] peek_char((0x563acd73bee0), _1430378)
   Exit: (200) [system] peek_char((0x563acd73bee0), n)
^  Call: (200) [user] is_delimiter(n)
   Call: (201) [system] char_type(n, space)
   Fail: (201) [system] char_type(n, space)
   Call: (201) [system] arg(_1435098, v('(', ')', end_of_file), n)
   Fail: (201) [system] arg(_1436030, v('(', ')', end_of_file), n)
^  Fail: (200) [user] is_delimiter(n)
   Call: (200) [system] ')'==n
   Fail: (200) [system] ')'==n
   Call: (200) [system] get_char((0x563acd73bee0), n)
   Exit: (200) [system] get_char((0x563acd73bee0), n)
   Call: (200) [system] n=(\)
   Fail: (200) [system] n=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _1443380)
   Call: (201) [system] peek_char((0x563acd73bee0), _1444314)
   Exit: (201) [system] peek_char((0x563acd73bee0), t)
^  Call: (201) [user] is_delimiter(t)
   Call: (202) [system] char_type(t, space)
   Fail: (202) [system] char_type(t, space)
   Call: (202) [system] arg(_1449034, v('(', ')', end_of_file), t)
   Fail: (202) [system] arg(_1449966, v('(', ')', end_of_file), t)
^  Fail: (201) [user] is_delimiter(t)
   Call: (201) [system] ')'==t
   Fail: (201) [system] ')'==t
   Call: (201) [system] get_char((0x563acd73bee0), t)
   Exit: (201) [system] get_char((0x563acd73bee0), t)
   Call: (201) [system] t=(\)
   Fail: (201) [system] t=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _1457316)
   Call: (202) [system] peek_char((0x563acd73bee0), _1458250)
   Exit: (202) [system] peek_char((0x563acd73bee0), h)
^  Call: (202) [user] is_delimiter(h)
   Call: (203) [system] char_type(h, space)
   Fail: (203) [system] char_type(h, space)
   Call: (203) [system] arg(_1462970, v('(', ')', end_of_file), h)
   Fail: (203) [system] arg(_1463902, v('(', ')', end_of_file), h)
^  Fail: (202) [user] is_delimiter(h)
   Call: (202) [system] ')'==h
   Fail: (202) [system] ')'==h
   Call: (202) [system] get_char((0x563acd73bee0), h)
   Exit: (202) [system] get_char((0x563acd73bee0), h)
   Call: (202) [system] h=(\)
   Fail: (202) [system] h=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1471252)
   Call: (203) [system] peek_char((0x563acd73bee0), _1472186)
   Exit: (203) [system] peek_char((0x563acd73bee0), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Fail: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_1476906, v('(', ')', end_of_file), e)
   Fail: (204) [system] arg(_1477838, v('(', ')', end_of_file), e)
^  Fail: (203) [user] is_delimiter(e)
   Call: (203) [system] ')'==e
   Fail: (203) [system] ')'==e
   Call: (203) [system] get_char((0x563acd73bee0), e)
   Exit: (203) [system] get_char((0x563acd73bee0), e)
   Call: (203) [system] e=(\)
   Fail: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1485188)
   Call: (204) [system] peek_char((0x563acd73bee0), _1486122)
   Exit: (204) [system] peek_char((0x563acd73bee0), s)
^  Call: (204) [user] is_delimiter(s)
   Call: (205) [system] char_type(s, space)
   Fail: (205) [system] char_type(s, space)
   Call: (205) [system] arg(_1490842, v('(', ')', end_of_file), s)
   Fail: (205) [system] arg(_1491774, v('(', ')', end_of_file), s)
^  Fail: (204) [user] is_delimiter(s)
   Call: (204) [system] ')'==s
   Fail: (204) [system] ')'==s
   Call: (204) [system] get_char((0x563acd73bee0), s)
   Exit: (204) [system] get_char((0x563acd73bee0), s)
   Call: (204) [system] s=(\)
   Fail: (204) [system] s=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1499124)
   Call: (205) [system] peek_char((0x563acd73bee0), _1500058)
   Exit: (205) [system] peek_char((0x563acd73bee0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_1504778, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_1505710, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x563acd73bee0), i)
   Exit: (205) [system] get_char((0x563acd73bee0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1513060)
   Call: (206) [system] peek_char((0x563acd73bee0), _1513994)
   Exit: (206) [system] peek_char((0x563acd73bee0), z)
^  Call: (206) [user] is_delimiter(z)
   Call: (207) [system] char_type(z, space)
   Fail: (207) [system] char_type(z, space)
   Call: (207) [system] arg(_1518714, v('(', ')', end_of_file), z)
   Fail: (207) [system] arg(_1519646, v('(', ')', end_of_file), z)
^  Fail: (206) [user] is_delimiter(z)
   Call: (206) [system] ')'==z
   Fail: (206) [system] ')'==z
   Call: (206) [system] get_char((0x563acd73bee0), z)
   Exit: (206) [system] get_char((0x563acd73bee0), z)
   Call: (206) [system] z=(\)
   Fail: (206) [system] z=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1526996)
   Call: (207) [system] peek_char((0x563acd73bee0), _1527930)
   Exit: (207) [system] peek_char((0x563acd73bee0), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_1532650, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_1533582, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x563acd73bee0), e)
   Exit: (207) [system] get_char((0x563acd73bee0), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1540932)
   Call: (208) [system] peek_char((0x563acd73bee0), _1541866)
   Exit: (208) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _1540932=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (207) [system] _1526996=[e]
   Exit: (207) [system] [e]=[e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [e])
   Call: (206) [system] _1513060=[z, e]
   Exit: (206) [system] [z, e]=[z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [z, e])
   Call: (205) [system] _1499124=[i, z, e]
   Exit: (205) [system] [i, z, e]=[i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, z, e])
   Call: (204) [system] _1485188=[s, i, z, e]
   Exit: (204) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, i, z, e])
   Call: (203) [system] _1471252=[e, s, i, z, e]
   Exit: (203) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, s, i, z, e])
   Call: (202) [system] _1457316=[h, e, s, i, z, e]
   Exit: (202) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [h, e, s, i, z, e])
   Call: (201) [system] _1443380=[t, h, e, s, i, z, e]
   Exit: (201) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, h, e, s, i, z, e])
   Call: (200) [system] _1429444=[n, t, h, e, s, i, z, e]
   Exit: (200) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, h, e, s, i, z, e])
   Call: (199) [system] _1415508=[y, n, t, h, e, s, i, z, e]
   Exit: (199) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [y, n, t, h, e, s, i, z, e])
^  Call: (198) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _1379998)
^  Call: (199) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _1576296)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_1577248, _1577250), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _1576296), _1577230, fail)), '$restore_trace'(_1577248, _1577250))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_1577248, _1577250))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _1577230, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(synthesize)
   Exit: (200) [system] atomic(synthesize)
^  Exit: (199) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (199) [system] integer(synthesize)
   Fail: (199) [system] integer(synthesize)
   Call: (199) [system] _1379998=synthesize
   Exit: (199) [system] synthesize=synthesize
^  Exit: (198) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (197) [user] read_symbolic(')', (0x563acd73bee0), s, synthesize)
^  Exit: (196) [user] cont_sexpr(')', (0x563acd73bee0), synthesize)
^  Call: (196) [user] read_list(')', (0x563acd73bee0), _1589376)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1591234)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x563acd73bee0), _1600828)
   Exit: (198) [system] get_char((0x563acd73bee0), ' ')
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1603532)
   Exit: (199) [system] peek_char((0x563acd73bee0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1620466)
   Exit: (197) [system] peek_char((0x563acd73bee0), '(')
   Call: (197) [system] '('=')'
   Fail: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
   Fail: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x563acd73bee0), _1626036)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1627894)
   Exit: (199) [system] peek_char((0x563acd73bee0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] get_char((0x563acd73bee0), _1643904)
   Exit: (198) [system] get_char((0x563acd73bee0), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _1626036)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1649474)
   Exit: (200) [system] peek_char((0x563acd73bee0), :)
   Call: (200) [system] (:)=(;)
   Fail: (200) [system] (:)=(;)
   Call: (200) [system] (:)=(/)
   Fail: (200) [system] (:)=(/)
^  Call: (200) [user] is_like_space(:)
   Call: (201) [system] char_type(:, 'white')
   Fail: (201) [system] char_type(:, 'white')
   Call: (201) [system] char_type(:, end_of_line)
   Fail: (201) [system] char_type(:, end_of_line)
   Call: (201) [system] char_type(:, space)
   Fail: (201) [system] char_type(:, space)
   Call: (201) [system] char_type(:, cntrl)
   Fail: (201) [system] char_type(:, cntrl)
^  Fail: (200) [user] is_like_space(:)
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1665484)
   Exit: (199) [system] peek_char((0x563acd73bee0), :)
   Call: (199) [system] (:)=')'
   Fail: (199) [system] (:)=')'
   Call: (199) [system] (:)=end_of_file
   Fail: (199) [system] (:)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x563acd73bee0), _1671054)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1672912)
   Exit: (201) [system] peek_char((0x563acd73bee0), :)
   Call: (201) [system] (:)=(;)
   Fail: (201) [system] (:)=(;)
   Call: (201) [system] (:)=(/)
   Fail: (201) [system] (:)=(/)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Fail: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Fail: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Fail: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
   Fail: (202) [system] char_type(:, cntrl)
^  Fail: (201) [user] is_like_space(:)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] get_char((0x563acd73bee0), _1688922)
   Exit: (200) [system] get_char((0x563acd73bee0), :)
   Call: (200) [system] (:)='('
   Fail: (200) [system] (:)='('
   Call: (200) [system] (:)='['
   Fail: (200) [system] (:)='['
   Call: (200) [system] (:)='{'
   Fail: (200) [system] (:)='{'
   Call: (200) [system] (:)='"'
   Fail: (200) [system] (:)='"'
   Call: (200) [system] (:)=!
   Fail: (200) [system] (:)=!
   Call: (200) [system] (:)='\''
   Fail: (200) [system] (:)='\''
   Call: (200) [system] (:)='`'
   Fail: (200) [system] (:)='`'
   Call: (200) [system] (:)=end_of_file
   Fail: (200) [system] (:)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x563acd73bee0), :, _1671054)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _1706564)
   Call: (202) [system] peek_char((0x563acd73bee0), _1707498)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _1706564=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (201) [user] classify_and_convert_charseq([:], _1671054)
^  Call: (202) [user] classify_and_convert_charseq_([:], _1716782)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_1717734, _1717736), once(user:catch(read_from_chars([:], _1716782), _1717716, fail)), '$restore_trace'(_1717734, _1717736))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_1717734, _1717736))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1717716, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(:)
   Exit: (203) [system] atomic(:)
^  Exit: (202) [user] classify_and_convert_charseq_([:], :)
   Call: (202) [system] integer(:)
   Fail: (202) [system] integer(:)
   Call: (202) [system] _1671054=(:)
   Exit: (202) [system] (:)=(:)
^  Exit: (201) [user] classify_and_convert_charseq([:], :)
^  Exit: (200) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (199) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _1729862)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1731720)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _1741314)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1744018)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1760952)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x563acd73bee0), _1766522)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1768380)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] get_char((0x563acd73bee0), _1784390)
   Exit: (201) [system] get_char((0x563acd73bee0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x563acd73bee0), $, _1766522)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1802032)
   Call: (203) [system] peek_char((0x563acd73bee0), _1802966)
   Exit: (203) [system] peek_char((0x563acd73bee0), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Fail: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_1807686, v('(', ')', end_of_file), p)
   Fail: (204) [system] arg(_1808618, v('(', ')', end_of_file), p)
^  Fail: (203) [user] is_delimiter(p)
   Call: (203) [system] ')'==p
   Fail: (203) [system] ')'==p
   Call: (203) [system] get_char((0x563acd73bee0), p)
   Exit: (203) [system] get_char((0x563acd73bee0), p)
   Call: (203) [system] p=(\)
   Fail: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1815968)
   Call: (204) [system] peek_char((0x563acd73bee0), _1816902)
   Exit: (204) [system] peek_char((0x563acd73bee0), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_1821622, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_1822554, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x563acd73bee0), r)
   Exit: (204) [system] get_char((0x563acd73bee0), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1829904)
   Call: (205) [system] peek_char((0x563acd73bee0), _1830838)
   Exit: (205) [system] peek_char((0x563acd73bee0), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_1835558, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_1836490, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x563acd73bee0), o)
   Exit: (205) [system] get_char((0x563acd73bee0), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1843840)
   Call: (206) [system] peek_char((0x563acd73bee0), _1844774)
   Exit: (206) [system] peek_char((0x563acd73bee0), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_1849494, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_1850426, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x563acd73bee0), o)
   Exit: (206) [system] get_char((0x563acd73bee0), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1857776)
   Call: (207) [system] peek_char((0x563acd73bee0), _1858710)
   Exit: (207) [system] peek_char((0x563acd73bee0), f)
^  Call: (207) [user] is_delimiter(f)
   Call: (208) [system] char_type(f, space)
   Fail: (208) [system] char_type(f, space)
   Call: (208) [system] arg(_1863430, v('(', ')', end_of_file), f)
   Fail: (208) [system] arg(_1864362, v('(', ')', end_of_file), f)
^  Fail: (207) [user] is_delimiter(f)
   Call: (207) [system] ')'==f
   Fail: (207) [system] ')'==f
   Call: (207) [system] get_char((0x563acd73bee0), f)
   Exit: (207) [system] get_char((0x563acd73bee0), f)
   Call: (207) [system] f=(\)
   Fail: (207) [system] f=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1871712)
   Call: (208) [system] peek_char((0x563acd73bee0), _1872646)
   Exit: (208) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _1871712=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (207) [system] _1857776=[f]
   Exit: (207) [system] [f]=[f]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [f])
   Call: (206) [system] _1843840=[o, f]
   Exit: (206) [system] [o, f]=[o, f]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, f])
   Call: (205) [system] _1829904=[o, o, f]
   Exit: (205) [system] [o, o, f]=[o, o, f]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, o, f])
   Call: (204) [system] _1815968=[r, o, o, f]
   Exit: (204) [system] [r, o, o, f]=[r, o, o, f]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, o, f])
   Call: (203) [system] _1802032=[p, r, o, o, f]
   Exit: (203) [system] [p, r, o, o, f]=[p, r, o, o, f]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, o, o, f])
^  Call: (202) [user] classify_and_convert_charseq([$, p, r, o, o, f], _1766522)
^  Call: (203) [user] classify_and_convert_charseq_([$, p, r, o, o, f], _1895900)
   Call: (204) [system] atom_chars(_1896832, ['_', p, r, o, o, f])
   Exit: (204) [system] atom_chars('_proof', ['_', p, r, o, o, f])
^  Exit: (203) [user] classify_and_convert_charseq_([$, p, r, o, o, f], _proof)
   Call: (203) [system] integer(_proof)
   Fail: (203) [system] integer(_proof)
   Call: (203) [system] _1766522=_proof
   Exit: (203) [system] _proof=_proof
^  Exit: (202) [user] classify_and_convert_charseq([$, p, r, o, o, f], _proof)
^  Exit: (201) [user] read_symbolic(')', (0x563acd73bee0), $, _proof)
^  Exit: (200) [user] cont_sexpr(')', (0x563acd73bee0), _proof)
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _1906124)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1907982)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x563acd73bee0), _1917576)
   Exit: (202) [system] get_char((0x563acd73bee0), ' ')
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1920280)
   Exit: (203) [system] peek_char((0x563acd73bee0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1937214)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x563acd73bee0), _1942784)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1944642)
   Exit: (203) [system] peek_char((0x563acd73bee0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] get_char((0x563acd73bee0), _1960652)
   Exit: (202) [system] get_char((0x563acd73bee0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x563acd73bee0), $, _1942784)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1978294)
   Call: (204) [system] peek_char((0x563acd73bee0), _1979228)
   Exit: (204) [system] peek_char((0x563acd73bee0), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Fail: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_1983948, v('(', ')', end_of_file), p)
   Fail: (205) [system] arg(_1984880, v('(', ')', end_of_file), p)
^  Fail: (204) [user] is_delimiter(p)
   Call: (204) [system] ')'==p
   Fail: (204) [system] ')'==p
   Call: (204) [system] get_char((0x563acd73bee0), p)
   Exit: (204) [system] get_char((0x563acd73bee0), p)
   Call: (204) [system] p=(\)
   Fail: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1992230)
   Call: (205) [system] peek_char((0x563acd73bee0), _1993164)
   Exit: (205) [system] peek_char((0x563acd73bee0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_1997884, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_1998816, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x563acd73bee0), r)
   Exit: (205) [system] get_char((0x563acd73bee0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _2006166)
   Call: (206) [system] peek_char((0x563acd73bee0), _2007100)
   Exit: (206) [system] peek_char((0x563acd73bee0), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Fail: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_2011820, v('(', ')', end_of_file), e)
   Fail: (207) [system] arg(_2012752, v('(', ')', end_of_file), e)
^  Fail: (206) [user] is_delimiter(e)
   Call: (206) [system] ')'==e
   Fail: (206) [system] ')'==e
   Call: (206) [system] get_char((0x563acd73bee0), e)
   Exit: (206) [system] get_char((0x563acd73bee0), e)
   Call: (206) [system] e=(\)
   Fail: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _2020102)
   Call: (207) [system] peek_char((0x563acd73bee0), _2021036)
   Exit: (207) [system] peek_char((0x563acd73bee0), m)
^  Call: (207) [user] is_delimiter(m)
   Call: (208) [system] char_type(m, space)
   Fail: (208) [system] char_type(m, space)
   Call: (208) [system] arg(_2025756, v('(', ')', end_of_file), m)
   Fail: (208) [system] arg(_2026688, v('(', ')', end_of_file), m)
^  Fail: (207) [user] is_delimiter(m)
   Call: (207) [system] ')'==m
   Fail: (207) [system] ')'==m
   Call: (207) [system] get_char((0x563acd73bee0), m)
   Exit: (207) [system] get_char((0x563acd73bee0), m)
   Call: (207) [system] m=(\)
   Fail: (207) [system] m=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _2034038)
   Call: (208) [system] peek_char((0x563acd73bee0), _2034972)
   Exit: (208) [system] peek_char((0x563acd73bee0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_2039692, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_2040624, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x563acd73bee0), i)
   Exit: (208) [system] get_char((0x563acd73bee0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _2047974)
   Call: (209) [system] peek_char((0x563acd73bee0), _2048908)
   Exit: (209) [system] peek_char((0x563acd73bee0), s)
^  Call: (209) [user] is_delimiter(s)
   Call: (210) [system] char_type(s, space)
   Fail: (210) [system] char_type(s, space)
   Call: (210) [system] arg(_2053628, v('(', ')', end_of_file), s)
   Fail: (210) [system] arg(_2054560, v('(', ')', end_of_file), s)
^  Fail: (209) [user] is_delimiter(s)
   Call: (209) [system] ')'==s
   Fail: (209) [system] ')'==s
   Call: (209) [system] get_char((0x563acd73bee0), s)
   Exit: (209) [system] get_char((0x563acd73bee0), s)
   Call: (209) [system] s=(\)
   Fail: (209) [system] s=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _2061910)
   Call: (210) [system] peek_char((0x563acd73bee0), _2062844)
   Exit: (210) [system] peek_char((0x563acd73bee0), e)
^  Call: (210) [user] is_delimiter(e)
   Call: (211) [system] char_type(e, space)
   Fail: (211) [system] char_type(e, space)
   Call: (211) [system] arg(_2067564, v('(', ')', end_of_file), e)
   Fail: (211) [system] arg(_2068496, v('(', ')', end_of_file), e)
^  Fail: (210) [user] is_delimiter(e)
   Call: (210) [system] ')'==e
   Fail: (210) [system] ')'==e
   Call: (210) [system] get_char((0x563acd73bee0), e)
   Exit: (210) [system] get_char((0x563acd73bee0), e)
   Call: (210) [system] e=(\)
   Fail: (210) [system] e=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _2075846)
   Call: (211) [system] peek_char((0x563acd73bee0), _2076780)
   Exit: (211) [system] peek_char((0x563acd73bee0), ')')
^  Call: (211) [user] is_delimiter(')')
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] arg(_2081500, v('(', ')', end_of_file), ')')
   Exit: (212) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (211) [user] is_delimiter(')')
   Call: (211) [system] _2075846=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (210) [system] _2061910=[e]
   Exit: (210) [system] [e]=[e]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [e])
   Call: (209) [system] _2047974=[s, e]
   Exit: (209) [system] [s, e]=[s, e]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, e])
   Call: (208) [system] _2034038=[i, s, e]
   Exit: (208) [system] [i, s, e]=[i, s, e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, e])
   Call: (207) [system] _2020102=[m, i, s, e]
   Exit: (207) [system] [m, i, s, e]=[m, i, s, e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, i, s, e])
   Call: (206) [system] _3666=[e, m, i, s, e]
   Exit: (206) [system] [e, m, i, s, e]=[e, m, i, s, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, m, i, s, e])
   Call: (205) [system] _3662=[r, e, m, i, s, e]
   Exit: (205) [system] [r, e, m, i, s, e]=[r, e, m, i, s, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, e, m, i, s, e])
   Call: (204) [system] _3658=[p, r, e, m, i, s, e]
   Exit: (204) [system] [p, r, e, m, i, s, e]=[p, r, e, m, i, s, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, e, m, i, s, e])
^  Call: (203) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e], _3654)
^  Call: (204) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e], _14378)
   Call: (205) [system] atom_chars(_15310, ['_', p, r, e, m, i, s, e])
   Exit: (205) [system] atom_chars('_premise', ['_', p, r, e, m, i, s, e])
^  Exit: (204) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e], _premise)
   Call: (204) [system] integer(_premise)
   Fail: (204) [system] integer(_premise)
   Call: (204) [system] _3654=_premise
   Exit: (204) [system] _premise=_premise
^  Exit: (203) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e], _premise)
^  Exit: (202) [user] read_symbolic(')', (0x563acd73bee0), $, _premise)
^  Exit: (201) [user] cont_sexpr(')', (0x563acd73bee0), _premise)
^  Call: (201) [user] read_list(')', (0x563acd73bee0), _24602)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _26460)
   Exit: (203) [system] peek_char((0x563acd73bee0), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
   Call: (203) [system] ')'=(/)
   Fail: (203) [system] ')'=(/)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _42470)
   Exit: (202) [system] peek_char((0x563acd73bee0), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x563acd73bee0), _46260)
   Exit: (202) [system] get_char((0x563acd73bee0), ')')
   Call: (202) [system] _24602=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x563acd73bee0), [])
   Call: (201) [system] _3650=[_premise]
   Exit: (201) [system] [_premise]=[_premise]
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), [_premise])
   Call: (200) [system] _3640=[_proof, _premise]
   Exit: (200) [system] [_proof, _premise]=[_proof, _premise]
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), [_proof, _premise])
   Call: (199) [system] _3632=[:, _proof, _premise]
   Exit: (199) [system] [:, _proof, _premise]=[:, _proof, _premise]
^  Exit: (198) [user] read_list(')', (0x563acd73bee0), [:, _proof, _premise])
^  Exit: (197) [user] cont_sexpr(')', (0x563acd73bee0), [:, _proof, _premise])
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _60142)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _62000)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x563acd73bee0), _71594)
   Exit: (199) [system] get_char((0x563acd73bee0), ' ')
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _74298)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _91232)
   Exit: (198) [system] peek_char((0x563acd73bee0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x563acd73bee0), _96802)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _98660)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] get_char((0x563acd73bee0), _114670)
   Exit: (199) [system] get_char((0x563acd73bee0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x563acd73bee0), $, _96802)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _132312)
   Call: (201) [system] peek_char((0x563acd73bee0), _133246)
   Exit: (201) [system] peek_char((0x563acd73bee0), k)
^  Call: (201) [user] is_delimiter(k)
   Call: (202) [system] char_type(k, space)
   Fail: (202) [system] char_type(k, space)
   Call: (202) [system] arg(_137966, v('(', ')', end_of_file), k)
   Fail: (202) [system] arg(_138898, v('(', ')', end_of_file), k)
^  Fail: (201) [user] is_delimiter(k)
   Call: (201) [system] ')'==k
   Fail: (201) [system] ')'==k
   Call: (201) [system] get_char((0x563acd73bee0), k)
   Exit: (201) [system] get_char((0x563acd73bee0), k)
   Call: (201) [system] k=(\)
   Fail: (201) [system] k=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _146248)
   Call: (202) [system] peek_char((0x563acd73bee0), _147182)
   Exit: (202) [system] peek_char((0x563acd73bee0), b)
^  Call: (202) [user] is_delimiter(b)
   Call: (203) [system] char_type(b, space)
   Fail: (203) [system] char_type(b, space)
   Call: (203) [system] arg(_151902, v('(', ')', end_of_file), b)
   Fail: (203) [system] arg(_152834, v('(', ')', end_of_file), b)
^  Fail: (202) [user] is_delimiter(b)
   Call: (202) [system] ')'==b
   Fail: (202) [system] ')'==b
   Call: (202) [system] get_char((0x563acd73bee0), b)
   Exit: (202) [system] get_char((0x563acd73bee0), b)
   Call: (202) [system] b=(\)
   Fail: (202) [system] b=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _160184)
   Call: (203) [system] peek_char((0x563acd73bee0), _161118)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _160184=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (202) [system] _146248=[b]
   Exit: (202) [system] [b]=[b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
   Call: (201) [system] _132312=[k, b]
   Exit: (201) [system] [k, b]=[k, b]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [k, b])
^  Call: (200) [user] classify_and_convert_charseq([$, k, b], _96802)
^  Call: (201) [user] classify_and_convert_charseq_([$, k, b], _175990)
   Call: (202) [system] atom_chars(_176922, ['_', k, b])
   Exit: (202) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (201) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (201) [system] integer(_kb)
   Fail: (201) [system] integer(_kb)
   Call: (201) [system] _96802=_kb
   Exit: (201) [system] _kb=_kb
^  Exit: (200) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (199) [user] read_symbolic(')', (0x563acd73bee0), $, _kb)
^  Exit: (198) [user] cont_sexpr(')', (0x563acd73bee0), _kb)
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _186214)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _188072)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x563acd73bee0), _197666)
   Exit: (200) [system] get_char((0x563acd73bee0), ' ')
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _200370)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _217304)
   Exit: (199) [system] peek_char((0x563acd73bee0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x563acd73bee0), _222874)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _224732)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] get_char((0x563acd73bee0), _240742)
   Exit: (200) [system] get_char((0x563acd73bee0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x563acd73bee0), $, _222874)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _258384)
   Call: (202) [system] peek_char((0x563acd73bee0), _259318)
   Exit: (202) [system] peek_char((0x563acd73bee0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_264038, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_264970, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x563acd73bee0), r)
   Exit: (202) [system] get_char((0x563acd73bee0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _272320)
   Call: (203) [system] peek_char((0x563acd73bee0), _273254)
   Exit: (203) [system] peek_char((0x563acd73bee0), b)
^  Call: (203) [user] is_delimiter(b)
   Call: (204) [system] char_type(b, space)
   Fail: (204) [system] char_type(b, space)
   Call: (204) [system] arg(_277974, v('(', ')', end_of_file), b)
   Fail: (204) [system] arg(_278906, v('(', ')', end_of_file), b)
^  Fail: (203) [user] is_delimiter(b)
   Call: (203) [system] ')'==b
   Fail: (203) [system] ')'==b
   Call: (203) [system] get_char((0x563acd73bee0), b)
   Exit: (203) [system] get_char((0x563acd73bee0), b)
   Call: (203) [system] b=(\)
   Fail: (203) [system] b=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _286256)
   Call: (204) [system] peek_char((0x563acd73bee0), _287190)
   Exit: (204) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _286256=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (203) [system] _272320=[b]
   Exit: (203) [system] [b]=[b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
   Call: (202) [system] _258384=[r, b]
   Exit: (202) [system] [r, b]=[r, b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, b])
^  Call: (201) [user] classify_and_convert_charseq([$, r, b], _222874)
^  Call: (202) [user] classify_and_convert_charseq_([$, r, b], _302062)
   Call: (203) [system] atom_chars(_302994, ['_', r, b])
   Exit: (203) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (202) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (202) [system] integer(_rb)
   Fail: (202) [system] integer(_rb)
   Call: (202) [system] _222874=_rb
   Exit: (202) [system] _rb=_rb
^  Exit: (201) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (200) [user] read_symbolic(')', (0x563acd73bee0), $, _rb)
^  Exit: (199) [user] cont_sexpr(')', (0x563acd73bee0), _rb)
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _312286)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _314144)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _323738)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _326442)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _343376)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x563acd73bee0), _348946)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _350804)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] get_char((0x563acd73bee0), _366814)
   Exit: (201) [system] get_char((0x563acd73bee0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x563acd73bee0), $, _348946)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _384456)
   Call: (203) [system] peek_char((0x563acd73bee0), _385390)
   Exit: (203) [system] peek_char((0x563acd73bee0), k)
^  Call: (203) [user] is_delimiter(k)
   Call: (204) [system] char_type(k, space)
   Fail: (204) [system] char_type(k, space)
   Call: (204) [system] arg(_390110, v('(', ')', end_of_file), k)
   Fail: (204) [system] arg(_391042, v('(', ')', end_of_file), k)
^  Fail: (203) [user] is_delimiter(k)
   Call: (203) [system] ')'==k
   Fail: (203) [system] ')'==k
   Call: (203) [system] get_char((0x563acd73bee0), k)
   Exit: (203) [system] get_char((0x563acd73bee0), k)
   Call: (203) [system] k=(\)
   Fail: (203) [system] k=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _398392)
   Call: (204) [system] peek_char((0x563acd73bee0), _399326)
   Exit: (204) [system] peek_char((0x563acd73bee0), ')')
^  Call: (204) [user] is_delimiter(')')
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] arg(_404046, v('(', ')', end_of_file), ')')
   Exit: (205) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (204) [user] is_delimiter(')')
   Call: (204) [system] _398392=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (203) [system] _384456=[k]
   Exit: (203) [system] [k]=[k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
^  Call: (202) [user] classify_and_convert_charseq([$, k], _348946)
^  Call: (203) [user] classify_and_convert_charseq_([$, k], _413276)
   Call: (204) [system] atom_chars(_414208, ['_', k])
   Exit: (204) [system] atom_chars('_k', ['_', k])
^  Exit: (203) [user] classify_and_convert_charseq_([$, k], _k)
   Call: (203) [system] integer(_k)
   Fail: (203) [system] integer(_k)
   Call: (203) [system] _348946=_k
   Exit: (203) [system] _k=_k
^  Exit: (202) [user] classify_and_convert_charseq([$, k], _k)
^  Exit: (201) [user] read_symbolic(')', (0x563acd73bee0), $, _k)
^  Exit: (200) [user] cont_sexpr(')', (0x563acd73bee0), _k)
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _423500)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _425358)
   Exit: (202) [system] peek_char((0x563acd73bee0), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
   Call: (202) [system] ')'=(/)
   Fail: (202) [system] ')'=(/)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _441368)
   Exit: (201) [system] peek_char((0x563acd73bee0), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x563acd73bee0), _445158)
   Exit: (201) [system] get_char((0x563acd73bee0), ')')
   Call: (201) [system] _423500=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), [])
   Call: (200) [system] _312286=[_k]
   Exit: (200) [system] [_k]=[_k]
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), [_k])
   Call: (199) [system] _186214=[_rb, _k]
   Exit: (199) [system] [_rb, _k]=[_rb, _k]
^  Exit: (198) [user] read_list(')', (0x563acd73bee0), [_rb, _k])
   Call: (198) [system] _60142=[_kb, _rb, _k]
   Exit: (198) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (197) [user] read_list(')', (0x563acd73bee0), [_kb, _rb, _k])
   Call: (197) [system] _3628=[[:, _proof, _premise], _kb, _rb, _k]
   Exit: (197) [system] [[:, _proof, _premise], _kb, _rb, _k]=[[:, _proof, _premise], _kb, _rb, _k]
^  Exit: (196) [user] read_list(')', (0x563acd73bee0), [[:, _proof, _premise], _kb, _rb, _k])
   Call: (196) [system] _3620=[synthesize, [:, _proof, _premise], _kb, _rb, _k]
   Exit: (196) [system] [synthesize, [:, _proof, _premise], _kb, _rb, _k]=[synthesize, [:, _proof, _premise], _kb, _rb, _k]
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), [synthesize, [:, _proof, _premise], _kb, _rb, _k])
^  Exit: (194) [user] cont_sexpr(')', (0x563acd73bee0), [synthesize, [:, _proof, _premise], _kb, _rb, _k])
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _464628)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _466486)
   Exit: (196) [system] peek_char((0x563acd73bee0), ')')
   Call: (196) [system] ')'=(;)
   Fail: (196) [system] ')'=(;)
   Call: (196) [system] ')'=(/)
   Fail: (196) [system] ')'=(/)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Fail: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Fail: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
   Fail: (197) [system] char_type(')', cntrl)
^  Fail: (196) [user] is_like_space(')')
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _482496)
   Exit: (195) [system] peek_char((0x563acd73bee0), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x563acd73bee0), _486286)
   Exit: (195) [system] get_char((0x563acd73bee0), ')')
   Call: (195) [system] _464628=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), [])
   Call: (194) [system] _3616=[[synthesize, [:, _proof, _premise], _kb, _rb, _k]]
   Exit: (194) [system] [[synthesize, [:, _proof, _premise], _kb, _rb, _k]]=[[synthesize, [:, _proof, _premise], _kb, _rb, _k]]
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), [[synthesize, [:, _proof, _premise], _kb, _rb, _k]])
   Call: (193) [system] _3582=[[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]
   Exit: (193) [system] [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]=[[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]])
^  Exit: (191) [user] cont_sexpr(')', (0x563acd73bee0), [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]])
^  Call: (191) [user] read_list(')', (0x563acd73bee0), _497374)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _499232)
   Exit: (193) [system] peek_char((0x563acd73bee0), ')')
   Call: (193) [system] ')'=(;)
   Fail: (193) [system] ')'=(;)
   Call: (193) [system] ')'=(/)
   Fail: (193) [system] ')'=(/)
^  Call: (193) [user] is_like_space(')')
   Call: (194) [system] char_type(')', 'white')
   Fail: (194) [system] char_type(')', 'white')
   Call: (194) [system] char_type(')', end_of_line)
   Fail: (194) [system] char_type(')', end_of_line)
   Call: (194) [system] char_type(')', space)
   Fail: (194) [system] char_type(')', space)
   Call: (194) [system] char_type(')', cntrl)
   Fail: (194) [system] char_type(')', cntrl)
^  Fail: (193) [user] is_like_space(')')
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _515242)
   Exit: (192) [system] peek_char((0x563acd73bee0), ')')
   Call: (192) [system] ')'=')'
   Exit: (192) [system] ')'=')'
   Call: (192) [system] get_char((0x563acd73bee0), _519032)
   Exit: (192) [system] get_char((0x563acd73bee0), ')')
   Call: (192) [system] _497374=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_list(')', (0x563acd73bee0), [])
   Call: (191) [system] _3578=[[[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]]
   Exit: (191) [system] [[[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]]=[[[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]]
^  Exit: (190) [user] read_list(')', (0x563acd73bee0), [[[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]])
   Call: (190) [system] _3514=[[[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]]
   Exit: (190) [system] [[[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]]=[[[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]]
^  Exit: (189) [user] read_list(')', (0x563acd73bee0), [[[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]])
   Call: (189) [system] _3436=[[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]]
   Exit: (189) [system] [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]]=[[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]]
^  Exit: (188) [user] read_list(')', (0x563acd73bee0), [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]])
^  Exit: (187) [user] cont_sexpr(')', (0x563acd73bee0), [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]])
^  Call: (187) [user] read_list(')', (0x563acd73bee0), _532914)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _534772)
   Exit: (189) [system] peek_char((0x563acd73bee0), '\n')
   Call: (189) [system] '\n'=(;)
   Fail: (189) [system] '\n'=(;)
   Call: (189) [system] '\n'=(/)
   Fail: (189) [system] '\n'=(/)
^  Call: (189) [user] is_like_space('\n')
   Call: (190) [system] char_type('\n', 'white')
   Fail: (190) [system] char_type('\n', 'white')
   Call: (190) [system] char_type('\n', end_of_line)
   Exit: (190) [system] char_type('\n', end_of_line)
^  Exit: (189) [user] is_like_space('\n')
   Call: (189) [system] get_char((0x563acd73bee0), _546222)
   Exit: (189) [system] get_char((0x563acd73bee0), '\n')
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _548926)
   Exit: (190) [system] peek_char((0x563acd73bee0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x563acd73bee0), _558520)
   Exit: (190) [system] get_char((0x563acd73bee0), ' ')
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _561224)
   Exit: (191) [system] peek_char((0x563acd73bee0), ' ')
   Call: (191) [system] ' '=(;)
   Fail: (191) [system] ' '=(;)
   Call: (191) [system] ' '=(/)
   Fail: (191) [system] ' '=(/)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x563acd73bee0), _570818)
   Exit: (191) [system] get_char((0x563acd73bee0), ' ')
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _573522)
   Exit: (192) [system] peek_char((0x563acd73bee0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x563acd73bee0), _583116)
   Exit: (192) [system] get_char((0x563acd73bee0), ' ')
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _585820)
   Exit: (193) [system] peek_char((0x563acd73bee0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x563acd73bee0), _595414)
   Exit: (193) [system] get_char((0x563acd73bee0), ' ')
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _598118)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x563acd73bee0), _607712)
   Exit: (194) [system] get_char((0x563acd73bee0), ' ')
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _610416)
   Exit: (195) [system] peek_char((0x563acd73bee0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _631970)
   Exit: (188) [system] peek_char((0x563acd73bee0), $)
   Call: (188) [system] ($)=')'
   Fail: (188) [system] ($)=')'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x563acd73bee0), _637540)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _639398)
   Exit: (190) [system] peek_char((0x563acd73bee0), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
   Call: (190) [system] ($)=(/)
   Fail: (190) [system] ($)=(/)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] get_char((0x563acd73bee0), _655408)
   Exit: (189) [system] get_char((0x563acd73bee0), $)
   Call: (189) [system] ($)='('
   Fail: (189) [system] ($)='('
   Call: (189) [system] ($)='['
   Fail: (189) [system] ($)='['
   Call: (189) [system] ($)='{'
   Fail: (189) [system] ($)='{'
   Call: (189) [system] ($)='"'
   Fail: (189) [system] ($)='"'
   Call: (189) [system] ($)=!
   Fail: (189) [system] ($)=!
   Call: (189) [system] ($)='\''
   Fail: (189) [system] ($)='\''
   Call: (189) [system] ($)='`'
   Fail: (189) [system] ($)='`'
   Call: (189) [system] ($)=end_of_file
   Fail: (189) [system] ($)=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x563acd73bee0), $, _637540)
^  Call: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), _673050)
   Call: (191) [system] peek_char((0x563acd73bee0), _673984)
   Exit: (191) [system] peek_char((0x563acd73bee0), q)
^  Call: (191) [user] is_delimiter(q)
   Call: (192) [system] char_type(q, space)
   Fail: (192) [system] char_type(q, space)
   Call: (192) [system] arg(_678704, v('(', ')', end_of_file), q)
   Fail: (192) [system] arg(_679636, v('(', ')', end_of_file), q)
^  Fail: (191) [user] is_delimiter(q)
   Call: (191) [system] ')'==q
   Fail: (191) [system] ')'==q
   Call: (191) [system] get_char((0x563acd73bee0), q)
   Exit: (191) [system] get_char((0x563acd73bee0), q)
   Call: (191) [system] q=(\)
   Fail: (191) [system] q=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), _686986)
   Call: (192) [system] peek_char((0x563acd73bee0), _687920)
   Exit: (192) [system] peek_char((0x563acd73bee0), u)
^  Call: (192) [user] is_delimiter(u)
   Call: (193) [system] char_type(u, space)
   Fail: (193) [system] char_type(u, space)
   Call: (193) [system] arg(_692640, v('(', ')', end_of_file), u)
   Fail: (193) [system] arg(_693572, v('(', ')', end_of_file), u)
^  Fail: (192) [user] is_delimiter(u)
   Call: (192) [system] ')'==u
   Fail: (192) [system] ')'==u
   Call: (192) [system] get_char((0x563acd73bee0), u)
   Exit: (192) [system] get_char((0x563acd73bee0), u)
   Call: (192) [system] u=(\)
   Fail: (192) [system] u=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), _700922)
   Call: (193) [system] peek_char((0x563acd73bee0), _701856)
   Exit: (193) [system] peek_char((0x563acd73bee0), e)
^  Call: (193) [user] is_delimiter(e)
   Call: (194) [system] char_type(e, space)
   Fail: (194) [system] char_type(e, space)
   Call: (194) [system] arg(_706576, v('(', ')', end_of_file), e)
   Fail: (194) [system] arg(_707508, v('(', ')', end_of_file), e)
^  Fail: (193) [user] is_delimiter(e)
   Call: (193) [system] ')'==e
   Fail: (193) [system] ')'==e
   Call: (193) [system] get_char((0x563acd73bee0), e)
   Exit: (193) [system] get_char((0x563acd73bee0), e)
   Call: (193) [system] e=(\)
   Fail: (193) [system] e=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _714858)
   Call: (194) [system] peek_char((0x563acd73bee0), _715792)
   Exit: (194) [system] peek_char((0x563acd73bee0), r)
^  Call: (194) [user] is_delimiter(r)
   Call: (195) [system] char_type(r, space)
   Fail: (195) [system] char_type(r, space)
   Call: (195) [system] arg(_720512, v('(', ')', end_of_file), r)
   Fail: (195) [system] arg(_721444, v('(', ')', end_of_file), r)
^  Fail: (194) [user] is_delimiter(r)
   Call: (194) [system] ')'==r
   Fail: (194) [system] ')'==r
   Call: (194) [system] get_char((0x563acd73bee0), r)
   Exit: (194) [system] get_char((0x563acd73bee0), r)
   Call: (194) [system] r=(\)
   Fail: (194) [system] r=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _728794)
   Call: (195) [system] peek_char((0x563acd73bee0), _729728)
   Exit: (195) [system] peek_char((0x563acd73bee0), y)
^  Call: (195) [user] is_delimiter(y)
   Call: (196) [system] char_type(y, space)
   Fail: (196) [system] char_type(y, space)
   Call: (196) [system] arg(_734448, v('(', ')', end_of_file), y)
   Fail: (196) [system] arg(_735380, v('(', ')', end_of_file), y)
^  Fail: (195) [user] is_delimiter(y)
   Call: (195) [system] ')'==y
   Fail: (195) [system] ')'==y
   Call: (195) [system] get_char((0x563acd73bee0), y)
   Exit: (195) [system] get_char((0x563acd73bee0), y)
   Call: (195) [system] y=(\)
   Fail: (195) [system] y=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _742730)
   Call: (196) [system] peek_char((0x563acd73bee0), _743664)
   Exit: (196) [system] peek_char((0x563acd73bee0), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_748384, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _742730=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (195) [system] _728794=[y]
   Exit: (195) [system] [y]=[y]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [y])
   Call: (194) [system] _714858=[r, y]
   Exit: (194) [system] [r, y]=[r, y]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, y])
   Call: (193) [system] _700922=[e, r, y]
   Exit: (193) [system] [e, r, y]=[e, r, y]
^  Exit: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, r, y])
   Call: (192) [system] _686986=[u, e, r, y]
   Exit: (192) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, e, r, y])
   Call: (191) [system] _673050=[q, u, e, r, y]
   Exit: (191) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), [q, u, e, r, y])
^  Call: (190) [user] classify_and_convert_charseq([$, q, u, e, r, y], _637540)
^  Call: (191) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _768790)
   Call: (192) [system] atom_chars(_769722, ['_', q, u, e, r, y])
   Exit: (192) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (191) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _query)
   Call: (191) [system] integer(_query)
   Fail: (191) [system] integer(_query)
   Call: (191) [system] _637540=_query
   Exit: (191) [system] _query=_query
^  Exit: (190) [user] classify_and_convert_charseq([$, q, u, e, r, y], _query)
^  Exit: (189) [user] read_symbolic(')', (0x563acd73bee0), $, _query)
^  Exit: (188) [user] cont_sexpr(')', (0x563acd73bee0), _query)
^  Call: (188) [user] read_list(')', (0x563acd73bee0), _779014)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _780872)
   Exit: (190) [system] peek_char((0x563acd73bee0), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
   Call: (190) [system] ')'=(/)
   Fail: (190) [system] ')'=(/)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _796882)
   Exit: (189) [system] peek_char((0x563acd73bee0), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x563acd73bee0), _800672)
   Exit: (189) [system] get_char((0x563acd73bee0), ')')
   Call: (189) [system] _779014=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x563acd73bee0), [])
   Call: (188) [system] _532914=[_query]
   Exit: (188) [system] [_query]=[_query]
^  Exit: (187) [user] read_list(')', (0x563acd73bee0), [_query])
   Call: (187) [system] _3432=[[[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]
   Exit: (187) [system] [[[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]=[[[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]
^  Exit: (186) [user] read_list(')', (0x563acd73bee0), [[[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query])
   Call: (186) [system] _3424=['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]
   Exit: (186) [system] ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]=['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]
^  Exit: (185) [user] read_list(')', (0x563acd73bee0), ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query])
^  Exit: (184) [user] cont_sexpr(')', (0x563acd73bee0), ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query])
^  Call: (184) [user] read_list(')', (0x563acd73bee0), _814554)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _816412)
   Exit: (186) [system] peek_char((0x563acd73bee0), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
   Call: (186) [system] ')'=(/)
   Fail: (186) [system] ')'=(/)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _832422)
   Exit: (185) [system] peek_char((0x563acd73bee0), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x563acd73bee0), _836212)
   Exit: (185) [system] get_char((0x563acd73bee0), ')')
   Call: (185) [system] _814554=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x563acd73bee0), [])
   Call: (184) [system] _3420=[['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]
   Exit: (184) [system] [['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]=[['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]
^  Exit: (183) [user] read_list(')', (0x563acd73bee0), [['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
   Call: (183) [system] _3356=[[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]
   Exit: (183) [system] [[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]=[[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]
^  Exit: (182) [user] read_list(')', (0x563acd73bee0), [[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
   Call: (182) [system] _3316=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]
   Exit: (182) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]
^  Exit: (181) [user] read_list(')', (0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (180) [user] cont_sexpr(')', (0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (179) [user] read_sexpr((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Call: (179) [user] assertz(metta_file_comment(53, 0, 1693, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], '$stream_position'(1693, 53, 0, 1693)))
^  Exit: (179) [user] assertz(metta_file_comment(53, 0, 1693, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], '$stream_position'(1693, 53, 0, 1693)))
^  Exit: (177) [system] once(user:(read_position((0x563acd73bee0), 53, 0, 1693, '$stream_position'(1693, 53, 0, 1693)), read_sexpr((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]), assertz(metta_file_comment(53, 0, 1693, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], '$stream_position'(1693, 53, 0, 1693)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_854730, _854732, _854734, _854736, _854738))
^  Exit: (177) [user] retract(metta_file_comment(39, 0, 1202, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$stream_position'(1202, 39, 0, 1202)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _857572))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _857572)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _857572)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _860388))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _860388))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _860388)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _863188))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _863188)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _863188)
   Call: (187) [system] var('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
   Call: (187) [system] atom('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
   Call: (187) [system] '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)==true
   Call: (187) [system] '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)==false
   Call: (187) [system] '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)==[_869708, _869714]
   Call: (187) [system] is_list('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
   Call: (187) [system] string('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
   Call: (187) [system] compound('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
   Exit: (187) [system] compound('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _874342, _874344)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT', [";;\t\t to non-deterministically pick up a", 39, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";;\t\t to non-deterministically pick up a", 39, 0], _878084)
   Call: (188) [apply] apply:maplist_([";;\t\t to non-deterministically pick up a", 39, 0], _878084, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";;\t\t to non-deterministically pick up a", _879964)
   Call: (190) [system] var(";;\t\t to non-deterministically pick up a")
   Call: (190) [system] atom(";;\t\t to non-deterministically pick up a")
   Call: (190) [system] ";;\t\t to non-deterministically pick up a"==true
   Call: (190) [system] ";;\t\t to non-deterministically pick up a"==false
   Call: (190) [system] ";;\t\t to non-deterministically pick up a"==[_884606, _884612]
   Call: (190) [system] is_list(";;\t\t to non-deterministically pick up a")
   Call: (190) [system] string(";;\t\t to non-deterministically pick up a")
   Exit: (190) [system] string(";;\t\t to non-deterministically pick up a")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";;\t\t to non-deterministically pick up a")
^  Call: (190) [user] symbol(";;\t\t to non-deterministically pick up a")
   Call: (191) [system] atom(";;\t\t to non-deterministically pick up a")
   Fail: (191) [system] atom(";;\t\t to non-deterministically pick up a")
^  Fail: (190) [user] symbol(";;\t\t to non-deterministically pick up a")
   Call: (190) [system] ";;\t\t to non-deterministically pick up a"=_879964
   Exit: (190) [system] ";;\t\t to non-deterministically pick up a"=";;\t\t to non-deterministically pick up a"
^  Exit: (189) [user] mfix_vars1(";;\t\t to non-deterministically pick up a", ";;\t\t to non-deterministically pick up a")
   Call: (189) [apply] apply:maplist_([39, 0], _879966, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(39, _898486)
   Call: (191) [system] var(39)
   Call: (191) [system] atom(39)
   Call: (191) [system] 39==true
   Call: (191) [system] 39==false
   Call: (191) [system] 39==[_903128, _903134]
   Call: (191) [system] is_list(39)
   Call: (191) [system] string(39)
   Call: (191) [system] compound(39)
^  Call: (191) [user] symbol(39)
   Call: (192) [system] atom(39)
   Fail: (192) [system] atom(39)
^  Fail: (191) [user] symbol(39)
   Call: (191) [system] 39=_898486
   Exit: (191) [system] 39=39
^  Exit: (190) [user] mfix_vars1(39, 39)
   Call: (190) [apply] apply:maplist_([0], _898488, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _914252)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_918894, _918900]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_914252
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _914254, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([39, 0], [39, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";;\t\t to non-deterministically pick up a", 39, 0], [";;\t\t to non-deterministically pick up a", 39, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";;\t\t to non-deterministically pick up a", 39, 0], [";;\t\t to non-deterministically pick up a", 39, 0])
   Call: (187) [system] compound_name_arguments(_863188, '$COMMENT', [";;\t\t to non-deterministically pick up a", 39, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT', [";;\t\t to non-deterministically pick up a", 39, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)))
   Call: (184) [system] '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)\=@='$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _943070))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _943070))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _943070)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _945870))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _945870)
^  Call: (186) [user] cons_to_c('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _945870)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)))
   Call: (184) [system] '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)\=@='$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _857572))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _857572))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _857572)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _959828))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _959828)
^  Call: (186) [user] cons_to_l('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _959828)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)))
   Call: (184) [system] '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)\=@='$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)))
   Call: (178) [system] '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)\=@='$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
^  Exit: (171) [user] read_sform((0x563acd73bee0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
^  Exit: (170) [system] once(user:read_sform((0x563acd73bee0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x563acd73bee0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)))
   Call: (169) [system] '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1727204587.625688), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204587.625688), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)), 52]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), ynthesize_long_1727204587_629323, 52)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1727204587.625688), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204587.625688), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)), 52]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1727204589.4402366)
   Call: (173) [system] arg(1, t(1727204587.625688), _3148)
   Exit: (173) [system] arg(1, t(1727204587.625688), 1727204587.625688)
   Call: (173) [system] _3158 is 1727204589.4402366-1727204587.625688
   Exit: (173) [system] 1.8145484924316406 is 1727204589.4402366-1727204587.625688
   Call: (173) [system] 1.8145484924316406>4
   Fail: (173) [system] 1.8145484924316406>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1727204587.625688), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204587.625688), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)), 52]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 5)
   Call: (175) [system] atom(5+1)
   Call: (175) [system] set_flag(translated_forms, 6)
   Exit: (175) [system] set_flag(translated_forms, 6)
   Exit: (174) [$syspreds] update_flag(translated_forms, 5, 5+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 5, 5+1))
   Exit: (171) [$syspreds] flag(translated_forms, 5, 5+1)
^  Call: (171) [user] write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), ynthesize_long_1727204587_629323, 52)
^  Call: (172) [user] format((0x563acd7397e0), "/* ~w */~n", [";;\t\t to non-deterministically pick up a"])
^  Exit: (172) [user] format((0x563acd7397e0), "/* ~w */~n", [";;\t\t to non-deterministically pick up a"])
^  Exit: (171) [user] write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), ynthesize_long_1727204587_629323, 52)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1727204587.625688), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204587.625688), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)), 52]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 5, 5+1), write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), ynthesize_long_1727204587_629323, 52)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x563acd73bee0))
   Fail: (169) [system] at_end_of_stream((0x563acd73bee0))
^  Call: (169) [user] must_det_ll(line_count((0x563acd73bee0), _3074))
^  Call: (170) [user] once(user:line_count((0x563acd73bee0), _3074))
   Call: (171) [system] line_count((0x563acd73bee0), _3074)
   Exit: (171) [system] line_count((0x563acd73bee0), 58)
^  Exit: (170) [system] once(user:line_count((0x563acd73bee0), 58))
^  Exit: (169) [user] must_det_ll(user:line_count((0x563acd73bee0), 58))
^  Call: (169) [user] must_det_ll(read_sform((0x563acd73bee0), _3084))
^  Call: (170) [user] once(user:read_sform((0x563acd73bee0), _3084))
^  Call: (171) [user] read_sform((0x563acd73bee0), _3084)
   Call: (172) [system] string((0x563acd73bee0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
   Call: (173) [system] string((0x563acd73bee0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), _3084)
   Call: (174) [system] at_end_of_stream((0x563acd73bee0))
   Call: (174) [system] peek_char((0x563acd73bee0), _1034612)
   Exit: (174) [system] peek_char((0x563acd73bee0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x563acd73bee0), '\n')
   Exit: (174) [system] get_char((0x563acd73bee0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x563acd73bee0), _3084)
   Call: (175) [system] at_end_of_stream((0x563acd73bee0))
   Call: (175) [system] peek_char((0x563acd73bee0), _1042034)
   Exit: (175) [system] peek_char((0x563acd73bee0), ;)
   Call: (175) [system] char_type(;, space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
   Call: (176) [system] string((0x563acd73bee0))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), _3084)
   Call: (177) [system] at_end_of_stream((0x563acd73bee0))
   Call: (177) [system] peek_char((0x563acd73bee0), _1050372)
   Exit: (177) [system] peek_char((0x563acd73bee0), ;)
   Call: (177) [system] char_type(;, space)
   Call: (177) [system] _1053158=(0x563acd73bee0)
   Exit: (177) [system] (0x563acd73bee0)=(0x563acd73bee0)
^  Call: (177) [user] once((read_position((0x563acd73bee0), _1055026, _1055028, _1055030, _1055032), read_sexpr((0x563acd73bee0), _1055044), assertz(metta_file_comment(_1055026, _1055028, _1055030, _1055044, _1055032))))
^  Call: (179) [user] read_position((0x563acd73bee0), _1055026, _1055028, _1055030, _1055032)
   Call: (180) [system] stream_property((0x563acd73bee0), position(_1055032))
   Call: (181) [system] nonvar((0x563acd73bee0))
   Exit: (181) [system] nonvar((0x563acd73bee0))
   Call: (181) [system] nonvar(position(_1055032))
   Exit: (181) [system] nonvar(position(_1055032))
   Exit: (180) [system] stream_property((0x563acd73bee0), position('$stream_position'(1944, 59, 0, 1944)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(1944, 59, 0, 1944), _1055026)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _1065284)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(1944, 59, 0, 1944), _1055026)
   Exit: (181) [system] arg(2, '$stream_position'(1944, 59, 0, 1944), 59)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(1944, 59, 0, 1944), 59)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(1944, 59, 0, 1944), _1055028)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _1072718)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(1944, 59, 0, 1944), _1055028)
   Exit: (181) [system] arg(3, '$stream_position'(1944, 59, 0, 1944), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(1944, 59, 0, 1944), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(1944, 59, 0, 1944), _1055030)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _1080152)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(1944, 59, 0, 1944), _1055030)
   Exit: (181) [system] arg(1, '$stream_position'(1944, 59, 0, 1944), 1944)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(1944, 59, 0, 1944), 1944)
^  Exit: (179) [user] read_position((0x563acd73bee0), 59, 0, 1944, '$stream_position'(1944, 59, 0, 1944))
^  Call: (179) [user] read_sexpr((0x563acd73bee0), _1055044)
   Call: (180) [system] string((0x563acd73bee0))
   Fail: (180) [system] string((0x563acd73bee0))
^  Call: (180) [user] cont_sexpr(')', (0x563acd73bee0), _1055044)
^  Call: (181) [user] skip_spaces((0x563acd73bee0))
   Call: (182) [system] peek_char((0x563acd73bee0), _1090378)
   Exit: (182) [system] peek_char((0x563acd73bee0), ;)
   Call: (182) [system] (;)=(;)
   Exit: (182) [system] (;)=(;)
^  Call: (182) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (183) [user] read_position((0x563acd73bee0), _1095016, _1095018, _1095020, _1095022)
   Call: (184) [system] stream_property((0x563acd73bee0), position(_1095022))
   Call: (185) [system] nonvar((0x563acd73bee0))
   Exit: (185) [system] nonvar((0x563acd73bee0))
   Call: (185) [system] nonvar(position(_1095022))
   Exit: (185) [system] nonvar(position(_1095022))
   Exit: (184) [system] stream_property((0x563acd73bee0), position('$stream_position'(1944, 59, 0, 1944)))
   Call: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(1944, 59, 0, 1944), _1095016)
   Call: (185) [system] nonvar(line_count)
   Exit: (185) [system] nonvar(line_count)
   Call: (185) [$syspreds] stream_position_field(line_count, _1104310)
   Exit: (185) [$syspreds] stream_position_field(line_count, 2)
   Call: (185) [system] arg(2, '$stream_position'(1944, 59, 0, 1944), _1095016)
   Exit: (185) [system] arg(2, '$stream_position'(1944, 59, 0, 1944), 59)
   Exit: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(1944, 59, 0, 1944), 59)
   Call: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(1944, 59, 0, 1944), _1095018)
   Call: (185) [system] nonvar(line_position)
   Exit: (185) [system] nonvar(line_position)
   Call: (185) [$syspreds] stream_position_field(line_position, _1111744)
   Exit: (185) [$syspreds] stream_position_field(line_position, 3)
   Call: (185) [system] arg(3, '$stream_position'(1944, 59, 0, 1944), _1095018)
   Exit: (185) [system] arg(3, '$stream_position'(1944, 59, 0, 1944), 0)
   Exit: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(1944, 59, 0, 1944), 0)
   Call: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(1944, 59, 0, 1944), _1095020)
   Call: (185) [system] nonvar(char_count)
   Exit: (185) [system] nonvar(char_count)
   Call: (185) [$syspreds] stream_position_field(char_count, _1119178)
   Exit: (185) [$syspreds] stream_position_field(char_count, 1)
   Call: (185) [system] arg(1, '$stream_position'(1944, 59, 0, 1944), _1095020)
   Exit: (185) [system] arg(1, '$stream_position'(1944, 59, 0, 1944), 1944)
   Exit: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(1944, 59, 0, 1944), 1944)
^  Exit: (183) [user] read_position((0x563acd73bee0), 59, 0, 1944, '$stream_position'(1944, 59, 0, 1944))
   Call: (183) [read_util] read_util:read_line_to_string((0x563acd73bee0), _1124772)
   Call: (184) [system] read_string((0x563acd73bee0), '\n', '\r', _1125702, _1125704)
   Exit: (184) [system] read_string((0x563acd73bee0), '\n', '\r', 10, ";; Binary rule")
   Call: (184) [system] 10\== -1
   Exit: (184) [system] 10\== -1
   Call: (184) [system] _1124772=";; Binary rule"
   Exit: (184) [system] ";; Binary rule"=";; Binary rule"
   Exit: (183) [read_util] read_util:read_line_to_string((0x563acd73bee0), ";; Binary rule")
^  Call: (183) [user] assertz(metta_file_comment(59, 0, 1944, '$COMMENT'(";; Binary rule", 59, 0), '$stream_position'(1944, 59, 0, 1944)))
^  Exit: (183) [user] assertz(metta_file_comment(59, 0, 1944, '$COMMENT'(";; Binary rule", 59, 0), '$stream_position'(1944, 59, 0, 1944)))
^  Exit: (182) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (182) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] peek_char((0x563acd73bee0), _1135962)
   Exit: (183) [system] peek_char((0x563acd73bee0), '(')
   Call: (183) [system] '('=(;)
   Fail: (183) [system] '('=(;)
   Call: (183) [system] '('=(/)
   Fail: (183) [system] '('=(/)
^  Call: (183) [user] is_like_space('(')
   Call: (184) [system] char_type('(', 'white')
   Fail: (184) [system] char_type('(', 'white')
   Call: (184) [system] char_type('(', end_of_line)
   Fail: (184) [system] char_type('(', end_of_line)
   Call: (184) [system] char_type('(', space)
   Fail: (184) [system] char_type('(', space)
   Call: (184) [system] char_type('(', cntrl)
   Fail: (184) [system] char_type('(', cntrl)
^  Fail: (183) [user] is_like_space('(')
^  Exit: (182) [user] skip_spaces((0x563acd73bee0))
^  Exit: (181) [user] skip_spaces((0x563acd73bee0))
   Call: (181) [system] get_char((0x563acd73bee0), _1152896)
   Exit: (181) [system] get_char((0x563acd73bee0), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x563acd73bee0), _1055044)
^  Call: (182) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] peek_char((0x563acd73bee0), _1158466)
   Exit: (183) [system] peek_char((0x563acd73bee0), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
   Call: (183) [system] (=)=(/)
   Fail: (183) [system] (=)=(/)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x563acd73bee0))
   Call: (182) [system] peek_char((0x563acd73bee0), _1174476)
   Exit: (182) [system] peek_char((0x563acd73bee0), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x563acd73bee0), _1180046)
^  Call: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _1181904)
   Exit: (184) [system] peek_char((0x563acd73bee0), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
   Call: (184) [system] (=)=(/)
   Fail: (184) [system] (=)=(/)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] get_char((0x563acd73bee0), _1197914)
   Exit: (183) [system] get_char((0x563acd73bee0), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x563acd73bee0), =, _1180046)
^  Call: (184) [user] read_symbolic_cont(')', (0x563acd73bee0), _1215556)
   Call: (185) [system] peek_char((0x563acd73bee0), _1216490)
   Exit: (185) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _1215556=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (184) [user] classify_and_convert_charseq([=], _1180046)
^  Call: (185) [user] classify_and_convert_charseq_([=], _1225774)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_1226726, _1226728), once(user:catch(read_from_chars([=], _1225774), _1226708, fail)), '$restore_trace'(_1226726, _1226728))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_1226726, _1226728))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _1226708, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(=)
   Exit: (186) [system] atomic(=)
^  Exit: (185) [user] classify_and_convert_charseq_([=], =)
   Call: (185) [system] integer(=)
   Fail: (185) [system] integer(=)
   Call: (185) [system] _1180046=(=)
   Exit: (185) [system] (=)=(=)
^  Exit: (184) [user] classify_and_convert_charseq([=], =)
^  Exit: (183) [user] read_symbolic(')', (0x563acd73bee0), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x563acd73bee0), =)
^  Call: (182) [user] read_list(')', (0x563acd73bee0), _1238854)
^  Call: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _1240712)
   Exit: (184) [system] peek_char((0x563acd73bee0), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
   Call: (184) [system] ' '=(/)
   Fail: (184) [system] ' '=(/)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x563acd73bee0), _1250306)
   Exit: (184) [system] get_char((0x563acd73bee0), ' ')
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _1253010)
   Exit: (185) [system] peek_char((0x563acd73bee0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
^  Exit: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] peek_char((0x563acd73bee0), _1269944)
   Exit: (183) [system] peek_char((0x563acd73bee0), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x563acd73bee0), _1275514)
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _1277372)
   Exit: (185) [system] peek_char((0x563acd73bee0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] get_char((0x563acd73bee0), _1293382)
   Exit: (184) [system] get_char((0x563acd73bee0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x563acd73bee0), _1275514)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1298952)
   Exit: (186) [system] peek_char((0x563acd73bee0), s)
   Call: (186) [system] s=(;)
   Fail: (186) [system] s=(;)
   Call: (186) [system] s=(/)
   Fail: (186) [system] s=(/)
^  Call: (186) [user] is_like_space(s)
   Call: (187) [system] char_type(s, 'white')
   Fail: (187) [system] char_type(s, 'white')
   Call: (187) [system] char_type(s, end_of_line)
   Fail: (187) [system] char_type(s, end_of_line)
   Call: (187) [system] char_type(s, space)
   Fail: (187) [system] char_type(s, space)
   Call: (187) [system] char_type(s, cntrl)
   Fail: (187) [system] char_type(s, cntrl)
^  Fail: (186) [user] is_like_space(s)
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _1314962)
   Exit: (185) [system] peek_char((0x563acd73bee0), s)
   Call: (185) [system] s=')'
   Fail: (185) [system] s=')'
   Call: (185) [system] s=end_of_file
   Fail: (185) [system] s=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x563acd73bee0), _1320532)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _1322390)
   Exit: (187) [system] peek_char((0x563acd73bee0), s)
   Call: (187) [system] s=(;)
   Fail: (187) [system] s=(;)
   Call: (187) [system] s=(/)
   Fail: (187) [system] s=(/)
^  Call: (187) [user] is_like_space(s)
   Call: (188) [system] char_type(s, 'white')
   Fail: (188) [system] char_type(s, 'white')
   Call: (188) [system] char_type(s, end_of_line)
   Fail: (188) [system] char_type(s, end_of_line)
   Call: (188) [system] char_type(s, space)
   Fail: (188) [system] char_type(s, space)
   Call: (188) [system] char_type(s, cntrl)
   Fail: (188) [system] char_type(s, cntrl)
^  Fail: (187) [user] is_like_space(s)
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] get_char((0x563acd73bee0), _1338400)
   Exit: (186) [system] get_char((0x563acd73bee0), s)
   Call: (186) [system] s='('
   Fail: (186) [system] s='('
   Call: (186) [system] s='['
   Fail: (186) [system] s='['
   Call: (186) [system] s='{'
   Fail: (186) [system] s='{'
   Call: (186) [system] s='"'
   Fail: (186) [system] s='"'
   Call: (186) [system] s=!
   Fail: (186) [system] s=!
   Call: (186) [system] s='\''
   Fail: (186) [system] s='\''
   Call: (186) [system] s='`'
   Fail: (186) [system] s='`'
   Call: (186) [system] s=end_of_file
   Fail: (186) [system] s=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x563acd73bee0), s, _1320532)
^  Call: (187) [user] read_symbolic_cont(')', (0x563acd73bee0), _1356042)
   Call: (188) [system] peek_char((0x563acd73bee0), _1356976)
   Exit: (188) [system] peek_char((0x563acd73bee0), y)
^  Call: (188) [user] is_delimiter(y)
   Call: (189) [system] char_type(y, space)
   Fail: (189) [system] char_type(y, space)
   Call: (189) [system] arg(_1361696, v('(', ')', end_of_file), y)
   Fail: (189) [system] arg(_1362628, v('(', ')', end_of_file), y)
^  Fail: (188) [user] is_delimiter(y)
   Call: (188) [system] ')'==y
   Fail: (188) [system] ')'==y
   Call: (188) [system] get_char((0x563acd73bee0), y)
   Exit: (188) [system] get_char((0x563acd73bee0), y)
   Call: (188) [system] y=(\)
   Fail: (188) [system] y=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), _1369978)
   Call: (189) [system] peek_char((0x563acd73bee0), _1370912)
   Exit: (189) [system] peek_char((0x563acd73bee0), n)
^  Call: (189) [user] is_delimiter(n)
   Call: (190) [system] char_type(n, space)
   Fail: (190) [system] char_type(n, space)
   Call: (190) [system] arg(_1375632, v('(', ')', end_of_file), n)
   Fail: (190) [system] arg(_1376564, v('(', ')', end_of_file), n)
^  Fail: (189) [user] is_delimiter(n)
   Call: (189) [system] ')'==n
   Fail: (189) [system] ')'==n
   Call: (189) [system] get_char((0x563acd73bee0), n)
   Exit: (189) [system] get_char((0x563acd73bee0), n)
   Call: (189) [system] n=(\)
   Fail: (189) [system] n=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), _1383914)
   Call: (190) [system] peek_char((0x563acd73bee0), _1384848)
   Exit: (190) [system] peek_char((0x563acd73bee0), t)
^  Call: (190) [user] is_delimiter(t)
   Call: (191) [system] char_type(t, space)
   Fail: (191) [system] char_type(t, space)
   Call: (191) [system] arg(_1389568, v('(', ')', end_of_file), t)
   Fail: (191) [system] arg(_1390500, v('(', ')', end_of_file), t)
^  Fail: (190) [user] is_delimiter(t)
   Call: (190) [system] ')'==t
   Fail: (190) [system] ')'==t
   Call: (190) [system] get_char((0x563acd73bee0), t)
   Exit: (190) [system] get_char((0x563acd73bee0), t)
   Call: (190) [system] t=(\)
   Fail: (190) [system] t=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), _1397850)
   Call: (191) [system] peek_char((0x563acd73bee0), _1398784)
   Exit: (191) [system] peek_char((0x563acd73bee0), h)
^  Call: (191) [user] is_delimiter(h)
   Call: (192) [system] char_type(h, space)
   Fail: (192) [system] char_type(h, space)
   Call: (192) [system] arg(_1403504, v('(', ')', end_of_file), h)
   Fail: (192) [system] arg(_1404436, v('(', ')', end_of_file), h)
^  Fail: (191) [user] is_delimiter(h)
   Call: (191) [system] ')'==h
   Fail: (191) [system] ')'==h
   Call: (191) [system] get_char((0x563acd73bee0), h)
   Exit: (191) [system] get_char((0x563acd73bee0), h)
   Call: (191) [system] h=(\)
   Fail: (191) [system] h=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), _1411786)
   Call: (192) [system] peek_char((0x563acd73bee0), _1412720)
   Exit: (192) [system] peek_char((0x563acd73bee0), e)
^  Call: (192) [user] is_delimiter(e)
   Call: (193) [system] char_type(e, space)
   Fail: (193) [system] char_type(e, space)
   Call: (193) [system] arg(_1417440, v('(', ')', end_of_file), e)
   Fail: (193) [system] arg(_1418372, v('(', ')', end_of_file), e)
^  Fail: (192) [user] is_delimiter(e)
   Call: (192) [system] ')'==e
   Fail: (192) [system] ')'==e
   Call: (192) [system] get_char((0x563acd73bee0), e)
   Exit: (192) [system] get_char((0x563acd73bee0), e)
   Call: (192) [system] e=(\)
   Fail: (192) [system] e=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), _1425722)
   Call: (193) [system] peek_char((0x563acd73bee0), _1426656)
   Exit: (193) [system] peek_char((0x563acd73bee0), s)
^  Call: (193) [user] is_delimiter(s)
   Call: (194) [system] char_type(s, space)
   Fail: (194) [system] char_type(s, space)
   Call: (194) [system] arg(_1431376, v('(', ')', end_of_file), s)
   Fail: (194) [system] arg(_1432308, v('(', ')', end_of_file), s)
^  Fail: (193) [user] is_delimiter(s)
   Call: (193) [system] ')'==s
   Fail: (193) [system] ')'==s
   Call: (193) [system] get_char((0x563acd73bee0), s)
   Exit: (193) [system] get_char((0x563acd73bee0), s)
   Call: (193) [system] s=(\)
   Fail: (193) [system] s=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _1439658)
   Call: (194) [system] peek_char((0x563acd73bee0), _1440592)
   Exit: (194) [system] peek_char((0x563acd73bee0), i)
^  Call: (194) [user] is_delimiter(i)
   Call: (195) [system] char_type(i, space)
   Fail: (195) [system] char_type(i, space)
   Call: (195) [system] arg(_1445312, v('(', ')', end_of_file), i)
   Fail: (195) [system] arg(_1446244, v('(', ')', end_of_file), i)
^  Fail: (194) [user] is_delimiter(i)
   Call: (194) [system] ')'==i
   Fail: (194) [system] ')'==i
   Call: (194) [system] get_char((0x563acd73bee0), i)
   Exit: (194) [system] get_char((0x563acd73bee0), i)
   Call: (194) [system] i=(\)
   Fail: (194) [system] i=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _1453594)
   Call: (195) [system] peek_char((0x563acd73bee0), _1454528)
   Exit: (195) [system] peek_char((0x563acd73bee0), z)
^  Call: (195) [user] is_delimiter(z)
   Call: (196) [system] char_type(z, space)
   Fail: (196) [system] char_type(z, space)
   Call: (196) [system] arg(_1459248, v('(', ')', end_of_file), z)
   Fail: (196) [system] arg(_1460180, v('(', ')', end_of_file), z)
^  Fail: (195) [user] is_delimiter(z)
   Call: (195) [system] ')'==z
   Fail: (195) [system] ')'==z
   Call: (195) [system] get_char((0x563acd73bee0), z)
   Exit: (195) [system] get_char((0x563acd73bee0), z)
   Call: (195) [system] z=(\)
   Fail: (195) [system] z=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _1467530)
   Call: (196) [system] peek_char((0x563acd73bee0), _1468464)
   Exit: (196) [system] peek_char((0x563acd73bee0), e)
^  Call: (196) [user] is_delimiter(e)
   Call: (197) [system] char_type(e, space)
   Fail: (197) [system] char_type(e, space)
   Call: (197) [system] arg(_1473184, v('(', ')', end_of_file), e)
   Fail: (197) [system] arg(_1474116, v('(', ')', end_of_file), e)
^  Fail: (196) [user] is_delimiter(e)
   Call: (196) [system] ')'==e
   Fail: (196) [system] ')'==e
   Call: (196) [system] get_char((0x563acd73bee0), e)
   Exit: (196) [system] get_char((0x563acd73bee0), e)
   Call: (196) [system] e=(\)
   Fail: (196) [system] e=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _1481466)
   Call: (197) [system] peek_char((0x563acd73bee0), _1482400)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _1481466=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (196) [system] _1467530=[e]
   Exit: (196) [system] [e]=[e]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [e])
   Call: (195) [system] _1453594=[z, e]
   Exit: (195) [system] [z, e]=[z, e]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [z, e])
   Call: (194) [system] _1439658=[i, z, e]
   Exit: (194) [system] [i, z, e]=[i, z, e]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, z, e])
   Call: (193) [system] _1425722=[s, i, z, e]
   Exit: (193) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, i, z, e])
   Call: (192) [system] _1411786=[e, s, i, z, e]
   Exit: (192) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, s, i, z, e])
   Call: (191) [system] _1397850=[h, e, s, i, z, e]
   Exit: (191) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), [h, e, s, i, z, e])
   Call: (190) [system] _1383914=[t, h, e, s, i, z, e]
   Exit: (190) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, h, e, s, i, z, e])
   Call: (189) [system] _1369978=[n, t, h, e, s, i, z, e]
   Exit: (189) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, h, e, s, i, z, e])
   Call: (188) [system] _1356042=[y, n, t, h, e, s, i, z, e]
   Exit: (188) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (187) [user] read_symbolic_cont(')', (0x563acd73bee0), [y, n, t, h, e, s, i, z, e])
^  Call: (187) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _1320532)
^  Call: (188) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _1516830)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_1517782, _1517784), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _1516830), _1517764, fail)), '$restore_trace'(_1517782, _1517784))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_1517782, _1517784))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _1517764, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(synthesize)
   Exit: (189) [system] atomic(synthesize)
^  Exit: (188) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (188) [system] integer(synthesize)
   Fail: (188) [system] integer(synthesize)
   Call: (188) [system] _1320532=synthesize
   Exit: (188) [system] synthesize=synthesize
^  Exit: (187) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (186) [user] read_symbolic(')', (0x563acd73bee0), s, synthesize)
^  Exit: (185) [user] cont_sexpr(')', (0x563acd73bee0), synthesize)
^  Call: (185) [user] read_list(')', (0x563acd73bee0), _1529910)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _1531768)
   Exit: (187) [system] peek_char((0x563acd73bee0), ' ')
   Call: (187) [system] ' '=(;)
   Fail: (187) [system] ' '=(;)
   Call: (187) [system] ' '=(/)
   Fail: (187) [system] ' '=(/)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x563acd73bee0), _1541362)
   Exit: (187) [system] get_char((0x563acd73bee0), ' ')
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _1544066)
   Exit: (188) [system] peek_char((0x563acd73bee0), $)
   Call: (188) [system] ($)=(;)
   Fail: (188) [system] ($)=(;)
   Call: (188) [system] ($)=(/)
   Fail: (188) [system] ($)=(/)
^  Call: (188) [user] is_like_space($)
   Call: (189) [system] char_type($, 'white')
   Fail: (189) [system] char_type($, 'white')
   Call: (189) [system] char_type($, end_of_line)
   Fail: (189) [system] char_type($, end_of_line)
   Call: (189) [system] char_type($, space)
   Fail: (189) [system] char_type($, space)
   Call: (189) [system] char_type($, cntrl)
   Fail: (189) [system] char_type($, cntrl)
^  Fail: (188) [user] is_like_space($)
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1561000)
   Exit: (186) [system] peek_char((0x563acd73bee0), $)
   Call: (186) [system] ($)=')'
   Fail: (186) [system] ($)=')'
   Call: (186) [system] ($)=end_of_file
   Fail: (186) [system] ($)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x563acd73bee0), _1566570)
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _1568428)
   Exit: (188) [system] peek_char((0x563acd73bee0), $)
   Call: (188) [system] ($)=(;)
   Fail: (188) [system] ($)=(;)
   Call: (188) [system] ($)=(/)
   Fail: (188) [system] ($)=(/)
^  Call: (188) [user] is_like_space($)
   Call: (189) [system] char_type($, 'white')
   Fail: (189) [system] char_type($, 'white')
   Call: (189) [system] char_type($, end_of_line)
   Fail: (189) [system] char_type($, end_of_line)
   Call: (189) [system] char_type($, space)
   Fail: (189) [system] char_type($, space)
   Call: (189) [system] char_type($, cntrl)
   Fail: (189) [system] char_type($, cntrl)
^  Fail: (188) [user] is_like_space($)
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] get_char((0x563acd73bee0), _1584438)
   Exit: (187) [system] get_char((0x563acd73bee0), $)
   Call: (187) [system] ($)='('
   Fail: (187) [system] ($)='('
   Call: (187) [system] ($)='['
   Fail: (187) [system] ($)='['
   Call: (187) [system] ($)='{'
   Fail: (187) [system] ($)='{'
   Call: (187) [system] ($)='"'
   Fail: (187) [system] ($)='"'
   Call: (187) [system] ($)=!
   Fail: (187) [system] ($)=!
   Call: (187) [system] ($)='\''
   Fail: (187) [system] ($)='\''
   Call: (187) [system] ($)='`'
   Fail: (187) [system] ($)='`'
   Call: (187) [system] ($)=end_of_file
   Fail: (187) [system] ($)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x563acd73bee0), $, _1566570)
^  Call: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), _1602080)
   Call: (189) [system] peek_char((0x563acd73bee0), _1603014)
   Exit: (189) [system] peek_char((0x563acd73bee0), q)
^  Call: (189) [user] is_delimiter(q)
   Call: (190) [system] char_type(q, space)
   Fail: (190) [system] char_type(q, space)
   Call: (190) [system] arg(_1607734, v('(', ')', end_of_file), q)
   Fail: (190) [system] arg(_1608666, v('(', ')', end_of_file), q)
^  Fail: (189) [user] is_delimiter(q)
   Call: (189) [system] ')'==q
   Fail: (189) [system] ')'==q
   Call: (189) [system] get_char((0x563acd73bee0), q)
   Exit: (189) [system] get_char((0x563acd73bee0), q)
   Call: (189) [system] q=(\)
   Fail: (189) [system] q=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), _1616016)
   Call: (190) [system] peek_char((0x563acd73bee0), _1616950)
   Exit: (190) [system] peek_char((0x563acd73bee0), u)
^  Call: (190) [user] is_delimiter(u)
   Call: (191) [system] char_type(u, space)
   Fail: (191) [system] char_type(u, space)
   Call: (191) [system] arg(_1621670, v('(', ')', end_of_file), u)
   Fail: (191) [system] arg(_1622602, v('(', ')', end_of_file), u)
^  Fail: (190) [user] is_delimiter(u)
   Call: (190) [system] ')'==u
   Fail: (190) [system] ')'==u
   Call: (190) [system] get_char((0x563acd73bee0), u)
   Exit: (190) [system] get_char((0x563acd73bee0), u)
   Call: (190) [system] u=(\)
   Fail: (190) [system] u=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), _1629952)
   Call: (191) [system] peek_char((0x563acd73bee0), _1630886)
   Exit: (191) [system] peek_char((0x563acd73bee0), e)
^  Call: (191) [user] is_delimiter(e)
   Call: (192) [system] char_type(e, space)
   Fail: (192) [system] char_type(e, space)
   Call: (192) [system] arg(_1635606, v('(', ')', end_of_file), e)
   Fail: (192) [system] arg(_1636538, v('(', ')', end_of_file), e)
^  Fail: (191) [user] is_delimiter(e)
   Call: (191) [system] ')'==e
   Fail: (191) [system] ')'==e
   Call: (191) [system] get_char((0x563acd73bee0), e)
   Exit: (191) [system] get_char((0x563acd73bee0), e)
   Call: (191) [system] e=(\)
   Fail: (191) [system] e=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), _1643888)
   Call: (192) [system] peek_char((0x563acd73bee0), _1644822)
   Exit: (192) [system] peek_char((0x563acd73bee0), r)
^  Call: (192) [user] is_delimiter(r)
   Call: (193) [system] char_type(r, space)
   Fail: (193) [system] char_type(r, space)
   Call: (193) [system] arg(_1649542, v('(', ')', end_of_file), r)
   Fail: (193) [system] arg(_1650474, v('(', ')', end_of_file), r)
^  Fail: (192) [user] is_delimiter(r)
   Call: (192) [system] ')'==r
   Fail: (192) [system] ')'==r
   Call: (192) [system] get_char((0x563acd73bee0), r)
   Exit: (192) [system] get_char((0x563acd73bee0), r)
   Call: (192) [system] r=(\)
   Fail: (192) [system] r=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), _1657824)
   Call: (193) [system] peek_char((0x563acd73bee0), _1658758)
   Exit: (193) [system] peek_char((0x563acd73bee0), y)
^  Call: (193) [user] is_delimiter(y)
   Call: (194) [system] char_type(y, space)
   Fail: (194) [system] char_type(y, space)
   Call: (194) [system] arg(_1663478, v('(', ')', end_of_file), y)
   Fail: (194) [system] arg(_1664410, v('(', ')', end_of_file), y)
^  Fail: (193) [user] is_delimiter(y)
   Call: (193) [system] ')'==y
   Fail: (193) [system] ')'==y
   Call: (193) [system] get_char((0x563acd73bee0), y)
   Exit: (193) [system] get_char((0x563acd73bee0), y)
   Call: (193) [system] y=(\)
   Fail: (193) [system] y=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _1671760)
   Call: (194) [system] peek_char((0x563acd73bee0), _1672694)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _1671760=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (193) [system] _1657824=[y]
   Exit: (193) [system] [y]=[y]
^  Exit: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), [y])
   Call: (192) [system] _1643888=[r, y]
   Exit: (192) [system] [r, y]=[r, y]
^  Exit: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, y])
   Call: (191) [system] _1629952=[e, r, y]
   Exit: (191) [system] [e, r, y]=[e, r, y]
^  Exit: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, r, y])
   Call: (190) [system] _1616016=[u, e, r, y]
   Exit: (190) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, e, r, y])
   Call: (189) [system] _1602080=[q, u, e, r, y]
   Exit: (189) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), [q, u, e, r, y])
^  Call: (188) [user] classify_and_convert_charseq([$, q, u, e, r, y], _1566570)
^  Call: (189) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _1695948)
   Call: (190) [system] atom_chars(_1696880, ['_', q, u, e, r, y])
   Exit: (190) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (189) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _query)
   Call: (189) [system] integer(_query)
   Fail: (189) [system] integer(_query)
   Call: (189) [system] _1566570=_query
   Exit: (189) [system] _query=_query
^  Exit: (188) [user] classify_and_convert_charseq([$, q, u, e, r, y], _query)
^  Exit: (187) [user] read_symbolic(')', (0x563acd73bee0), $, _query)
^  Exit: (186) [user] cont_sexpr(')', (0x563acd73bee0), _query)
^  Call: (186) [user] read_list(')', (0x563acd73bee0), _1706172)
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _1708030)
   Exit: (188) [system] peek_char((0x563acd73bee0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x563acd73bee0), _1717624)
   Exit: (188) [system] get_char((0x563acd73bee0), ' ')
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1720328)
   Exit: (189) [system] peek_char((0x563acd73bee0), $)
   Call: (189) [system] ($)=(;)
   Fail: (189) [system] ($)=(;)
   Call: (189) [system] ($)=(/)
   Fail: (189) [system] ($)=(/)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Fail: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Fail: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Fail: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
   Fail: (190) [system] char_type($, cntrl)
^  Fail: (189) [user] is_like_space($)
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _1737262)
   Exit: (187) [system] peek_char((0x563acd73bee0), $)
   Call: (187) [system] ($)=')'
   Fail: (187) [system] ($)=')'
   Call: (187) [system] ($)=end_of_file
   Fail: (187) [system] ($)=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x563acd73bee0), _1742832)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1744690)
   Exit: (189) [system] peek_char((0x563acd73bee0), $)
   Call: (189) [system] ($)=(;)
   Fail: (189) [system] ($)=(;)
   Call: (189) [system] ($)=(/)
   Fail: (189) [system] ($)=(/)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Fail: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Fail: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Fail: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
   Fail: (190) [system] char_type($, cntrl)
^  Fail: (189) [user] is_like_space($)
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] get_char((0x563acd73bee0), _1760700)
   Exit: (188) [system] get_char((0x563acd73bee0), $)
   Call: (188) [system] ($)='('
   Fail: (188) [system] ($)='('
   Call: (188) [system] ($)='['
   Fail: (188) [system] ($)='['
   Call: (188) [system] ($)='{'
   Fail: (188) [system] ($)='{'
   Call: (188) [system] ($)='"'
   Fail: (188) [system] ($)='"'
   Call: (188) [system] ($)=!
   Fail: (188) [system] ($)=!
   Call: (188) [system] ($)='\''
   Fail: (188) [system] ($)='\''
   Call: (188) [system] ($)='`'
   Fail: (188) [system] ($)='`'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x563acd73bee0), $, _1742832)
^  Call: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), _1778342)
   Call: (190) [system] peek_char((0x563acd73bee0), _1779276)
   Exit: (190) [system] peek_char((0x563acd73bee0), k)
^  Call: (190) [user] is_delimiter(k)
   Call: (191) [system] char_type(k, space)
   Fail: (191) [system] char_type(k, space)
   Call: (191) [system] arg(_1783996, v('(', ')', end_of_file), k)
   Fail: (191) [system] arg(_1784928, v('(', ')', end_of_file), k)
^  Fail: (190) [user] is_delimiter(k)
   Call: (190) [system] ')'==k
   Fail: (190) [system] ')'==k
   Call: (190) [system] get_char((0x563acd73bee0), k)
   Exit: (190) [system] get_char((0x563acd73bee0), k)
   Call: (190) [system] k=(\)
   Fail: (190) [system] k=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), _1792278)
   Call: (191) [system] peek_char((0x563acd73bee0), _1793212)
   Exit: (191) [system] peek_char((0x563acd73bee0), b)
^  Call: (191) [user] is_delimiter(b)
   Call: (192) [system] char_type(b, space)
   Fail: (192) [system] char_type(b, space)
   Call: (192) [system] arg(_1797932, v('(', ')', end_of_file), b)
   Fail: (192) [system] arg(_1798864, v('(', ')', end_of_file), b)
^  Fail: (191) [user] is_delimiter(b)
   Call: (191) [system] ')'==b
   Fail: (191) [system] ')'==b
   Call: (191) [system] get_char((0x563acd73bee0), b)
   Exit: (191) [system] get_char((0x563acd73bee0), b)
   Call: (191) [system] b=(\)
   Fail: (191) [system] b=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), _1806214)
   Call: (192) [system] peek_char((0x563acd73bee0), _1807148)
   Exit: (192) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _1806214=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (191) [system] _1792278=[b]
   Exit: (191) [system] [b]=[b]
^  Exit: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
   Call: (190) [system] _1778342=[k, b]
   Exit: (190) [system] [k, b]=[k, b]
^  Exit: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), [k, b])
^  Call: (189) [user] classify_and_convert_charseq([$, k, b], _1742832)
^  Call: (190) [user] classify_and_convert_charseq_([$, k, b], _1822020)
   Call: (191) [system] atom_chars(_1822952, ['_', k, b])
   Exit: (191) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (190) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (190) [system] integer(_kb)
   Fail: (190) [system] integer(_kb)
   Call: (190) [system] _1742832=_kb
   Exit: (190) [system] _kb=_kb
^  Exit: (189) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (188) [user] read_symbolic(')', (0x563acd73bee0), $, _kb)
^  Exit: (187) [user] cont_sexpr(')', (0x563acd73bee0), _kb)
^  Call: (187) [user] read_list(')', (0x563acd73bee0), _1832244)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1834102)
   Exit: (189) [system] peek_char((0x563acd73bee0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x563acd73bee0), _1843696)
   Exit: (189) [system] get_char((0x563acd73bee0), ' ')
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1846400)
   Exit: (190) [system] peek_char((0x563acd73bee0), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
   Call: (190) [system] ($)=(/)
   Fail: (190) [system] ($)=(/)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _1863334)
   Exit: (188) [system] peek_char((0x563acd73bee0), $)
   Call: (188) [system] ($)=')'
   Fail: (188) [system] ($)=')'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x563acd73bee0), _1868904)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1870762)
   Exit: (190) [system] peek_char((0x563acd73bee0), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
   Call: (190) [system] ($)=(/)
   Fail: (190) [system] ($)=(/)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] get_char((0x563acd73bee0), _1886772)
   Exit: (189) [system] get_char((0x563acd73bee0), $)
   Call: (189) [system] ($)='('
   Fail: (189) [system] ($)='('
   Call: (189) [system] ($)='['
   Fail: (189) [system] ($)='['
   Call: (189) [system] ($)='{'
   Fail: (189) [system] ($)='{'
   Call: (189) [system] ($)='"'
   Fail: (189) [system] ($)='"'
   Call: (189) [system] ($)=!
   Fail: (189) [system] ($)=!
   Call: (189) [system] ($)='\''
   Fail: (189) [system] ($)='\''
   Call: (189) [system] ($)='`'
   Fail: (189) [system] ($)='`'
   Call: (189) [system] ($)=end_of_file
   Fail: (189) [system] ($)=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x563acd73bee0), $, _1868904)
^  Call: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), _1904414)
   Call: (191) [system] peek_char((0x563acd73bee0), _1905348)
   Exit: (191) [system] peek_char((0x563acd73bee0), r)
^  Call: (191) [user] is_delimiter(r)
   Call: (192) [system] char_type(r, space)
   Fail: (192) [system] char_type(r, space)
   Call: (192) [system] arg(_1910068, v('(', ')', end_of_file), r)
   Fail: (192) [system] arg(_1911000, v('(', ')', end_of_file), r)
^  Fail: (191) [user] is_delimiter(r)
   Call: (191) [system] ')'==r
   Fail: (191) [system] ')'==r
   Call: (191) [system] get_char((0x563acd73bee0), r)
   Exit: (191) [system] get_char((0x563acd73bee0), r)
   Call: (191) [system] r=(\)
   Fail: (191) [system] r=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), _1918350)
   Call: (192) [system] peek_char((0x563acd73bee0), _1919284)
   Exit: (192) [system] peek_char((0x563acd73bee0), b)
^  Call: (192) [user] is_delimiter(b)
   Call: (193) [system] char_type(b, space)
   Fail: (193) [system] char_type(b, space)
   Call: (193) [system] arg(_1924004, v('(', ')', end_of_file), b)
   Fail: (193) [system] arg(_1924936, v('(', ')', end_of_file), b)
^  Fail: (192) [user] is_delimiter(b)
   Call: (192) [system] ')'==b
   Fail: (192) [system] ')'==b
   Call: (192) [system] get_char((0x563acd73bee0), b)
   Exit: (192) [system] get_char((0x563acd73bee0), b)
   Call: (192) [system] b=(\)
   Fail: (192) [system] b=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), _1932286)
   Call: (193) [system] peek_char((0x563acd73bee0), _1933220)
   Exit: (193) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (193) [user] is_delimiter(' ')
   Call: (194) [system] char_type(' ', space)
   Exit: (194) [system] char_type(' ', space)
^  Exit: (193) [user] is_delimiter(' ')
   Call: (193) [system] _1932286=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (192) [system] _1918350=[b]
   Exit: (192) [system] [b]=[b]
^  Exit: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
   Call: (191) [system] _1904414=[r, b]
   Exit: (191) [system] [r, b]=[r, b]
^  Exit: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, b])
^  Call: (190) [user] classify_and_convert_charseq([$, r, b], _1868904)
^  Call: (191) [user] classify_and_convert_charseq_([$, r, b], _1948092)
   Call: (192) [system] atom_chars(_1949024, ['_', r, b])
   Exit: (192) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (191) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (191) [system] integer(_rb)
   Fail: (191) [system] integer(_rb)
   Call: (191) [system] _1868904=_rb
   Exit: (191) [system] _rb=_rb
^  Exit: (190) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (189) [user] read_symbolic(')', (0x563acd73bee0), $, _rb)
^  Exit: (188) [user] cont_sexpr(')', (0x563acd73bee0), _rb)
^  Call: (188) [user] read_list(')', (0x563acd73bee0), _1958316)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1960174)
   Exit: (190) [system] peek_char((0x563acd73bee0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x563acd73bee0), _1969768)
   Exit: (190) [system] get_char((0x563acd73bee0), ' ')
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _1972472)
   Exit: (191) [system] peek_char((0x563acd73bee0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1989406)
   Exit: (189) [system] peek_char((0x563acd73bee0), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x563acd73bee0), _1994976)
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _1996834)
   Exit: (191) [system] peek_char((0x563acd73bee0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] get_char((0x563acd73bee0), _2012844)
   Exit: (190) [system] get_char((0x563acd73bee0), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x563acd73bee0), _1994976)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _2018414)
   Exit: (192) [system] peek_char((0x563acd73bee0), 'S')
   Call: (192) [system] 'S'=(;)
   Fail: (192) [system] 'S'=(;)
   Call: (192) [system] 'S'=(/)
   Fail: (192) [system] 'S'=(/)
^  Call: (192) [user] is_like_space('S')
   Call: (193) [system] char_type('S', 'white')
   Fail: (193) [system] char_type('S', 'white')
   Call: (193) [system] char_type('S', end_of_line)
   Fail: (193) [system] char_type('S', end_of_line)
   Call: (193) [system] char_type('S', space)
   Fail: (193) [system] char_type('S', space)
   Call: (193) [system] char_type('S', cntrl)
   Fail: (193) [system] char_type('S', cntrl)
^  Fail: (192) [user] is_like_space('S')
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _2034424)
   Exit: (191) [system] peek_char((0x563acd73bee0), 'S')
   Call: (191) [system] 'S'=')'
   Fail: (191) [system] 'S'=')'
   Call: (191) [system] 'S'=end_of_file
   Fail: (191) [system] 'S'=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x563acd73bee0), _2039994)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _2041852)
   Exit: (193) [system] peek_char((0x563acd73bee0), 'S')
   Call: (193) [system] 'S'=(;)
   Fail: (193) [system] 'S'=(;)
   Call: (193) [system] 'S'=(/)
   Fail: (193) [system] 'S'=(/)
^  Call: (193) [user] is_like_space('S')
   Call: (194) [system] char_type('S', 'white')
   Fail: (194) [system] char_type('S', 'white')
   Call: (194) [system] char_type('S', end_of_line)
   Fail: (194) [system] char_type('S', end_of_line)
   Call: (194) [system] char_type('S', space)
   Fail: (194) [system] char_type('S', space)
   Call: (194) [system] char_type('S', cntrl)
   Fail: (194) [system] char_type('S', cntrl)
^  Fail: (193) [user] is_like_space('S')
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] get_char((0x563acd73bee0), _2057862)
   Exit: (192) [system] get_char((0x563acd73bee0), 'S')
   Call: (192) [system] 'S'='('
   Fail: (192) [system] 'S'='('
   Call: (192) [system] 'S'='['
   Fail: (192) [system] 'S'='['
   Call: (192) [system] 'S'='{'
   Fail: (192) [system] 'S'='{'
   Call: (192) [system] 'S'='"'
   Fail: (192) [system] 'S'='"'
   Call: (192) [system] 'S'=!
   Fail: (192) [system] 'S'=!
   Call: (192) [system] 'S'='\''
   Fail: (192) [system] 'S'='\''
   Call: (192) [system] 'S'='`'
   Fail: (192) [system] 'S'='`'
   Call: (192) [system] 'S'=end_of_file
   Fail: (192) [system] 'S'=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x563acd73bee0), 'S', _2039994)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _2075504)
   Call: (194) [system] peek_char((0x563acd73bee0), _2076438)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _2075504=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (193) [user] classify_and_convert_charseq(['S'], _2039994)
^  Call: (194) [user] classify_and_convert_charseq_(['S'], _2085722)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_2086674, _2086676), once(user:catch(read_from_chars(['S'], _2085722), _2086656, fail)), '$restore_trace'(_2086674, _2086676))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_2086674, _2086676))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['S'], _2085722), _2086656, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(_2085722)
   Fail: (195) [system] atomic(_2085722)
   Call: (195) [system] atom_chars(_2085722, ['S'])
   Exit: (195) [system] atom_chars('S', ['S'])
^  Exit: (194) [user] classify_and_convert_charseq_(['S'], 'S')
   Call: (194) [system] integer('S')
   Fail: (194) [system] integer('S')
   Call: (194) [system] _2039994='S'
   Exit: (194) [system] 'S'='S'
^  Exit: (193) [user] classify_and_convert_charseq(['S'], 'S')
^  Exit: (192) [user] read_symbolic(')', (0x563acd73bee0), 'S', 'S')
^  Exit: (191) [user] cont_sexpr(')', (0x563acd73bee0), 'S')
^  Call: (191) [user] read_list(')', (0x563acd73bee0), _7110)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _8968)
   Exit: (193) [system] peek_char((0x563acd73bee0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x563acd73bee0), _18562)
   Exit: (193) [system] get_char((0x563acd73bee0), ' ')
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _21266)
   Exit: (194) [system] peek_char((0x563acd73bee0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _38200)
   Exit: (192) [system] peek_char((0x563acd73bee0), $)
   Call: (192) [system] ($)=')'
   Fail: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x563acd73bee0), _43770)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _45628)
   Exit: (194) [system] peek_char((0x563acd73bee0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] get_char((0x563acd73bee0), _61638)
   Exit: (193) [system] get_char((0x563acd73bee0), $)
   Call: (193) [system] ($)='('
   Fail: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Fail: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Fail: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Fail: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Fail: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Fail: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Fail: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x563acd73bee0), $, _43770)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _79280)
   Call: (195) [system] peek_char((0x563acd73bee0), _80214)
   Exit: (195) [system] peek_char((0x563acd73bee0), k)
^  Call: (195) [user] is_delimiter(k)
   Call: (196) [system] char_type(k, space)
   Fail: (196) [system] char_type(k, space)
   Call: (196) [system] arg(_84934, v('(', ')', end_of_file), k)
   Fail: (196) [system] arg(_85866, v('(', ')', end_of_file), k)
^  Fail: (195) [user] is_delimiter(k)
   Call: (195) [system] ')'==k
   Fail: (195) [system] ')'==k
   Call: (195) [system] get_char((0x563acd73bee0), k)
   Exit: (195) [system] get_char((0x563acd73bee0), k)
   Call: (195) [system] k=(\)
   Fail: (195) [system] k=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _93216)
   Call: (196) [system] peek_char((0x563acd73bee0), _94150)
   Exit: (196) [system] peek_char((0x563acd73bee0), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_98870, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _93216=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (195) [system] _79280=[k]
   Exit: (195) [system] [k]=[k]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
^  Call: (194) [user] classify_and_convert_charseq([$, k], _43770)
^  Call: (195) [user] classify_and_convert_charseq_([$, k], _108100)
   Call: (196) [system] atom_chars(_109032, ['_', k])
   Exit: (196) [system] atom_chars('_k', ['_', k])
^  Exit: (195) [user] classify_and_convert_charseq_([$, k], _k)
   Call: (195) [system] integer(_k)
   Fail: (195) [system] integer(_k)
   Call: (195) [system] _43770=_k
   Exit: (195) [system] _k=_k
^  Exit: (194) [user] classify_and_convert_charseq([$, k], _k)
^  Exit: (193) [user] read_symbolic(')', (0x563acd73bee0), $, _k)
^  Exit: (192) [user] cont_sexpr(')', (0x563acd73bee0), _k)
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _118324)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _120182)
   Exit: (194) [system] peek_char((0x563acd73bee0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
   Call: (194) [system] ')'=(/)
   Fail: (194) [system] ')'=(/)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _136192)
   Exit: (193) [system] peek_char((0x563acd73bee0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x563acd73bee0), _139982)
   Exit: (193) [system] get_char((0x563acd73bee0), ')')
   Call: (193) [system] _118324=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), [])
   Call: (192) [system] _7110=[_k]
   Exit: (192) [system] [_k]=[_k]
^  Exit: (191) [user] read_list(')', (0x563acd73bee0), [_k])
   Call: (191) [system] _3402=['S', _k]
   Exit: (191) [system] ['S', _k]=['S', _k]
^  Exit: (190) [user] read_list(')', (0x563acd73bee0), ['S', _k])
^  Exit: (189) [user] cont_sexpr(')', (0x563acd73bee0), ['S', _k])
^  Call: (189) [user] read_list(')', (0x563acd73bee0), _151070)
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _152928)
   Exit: (191) [system] peek_char((0x563acd73bee0), ')')
   Call: (191) [system] ')'=(;)
   Fail: (191) [system] ')'=(;)
   Call: (191) [system] ')'=(/)
   Fail: (191) [system] ')'=(/)
^  Call: (191) [user] is_like_space(')')
   Call: (192) [system] char_type(')', 'white')
   Fail: (192) [system] char_type(')', 'white')
   Call: (192) [system] char_type(')', end_of_line)
   Fail: (192) [system] char_type(')', end_of_line)
   Call: (192) [system] char_type(')', space)
   Fail: (192) [system] char_type(')', space)
   Call: (192) [system] char_type(')', cntrl)
   Fail: (192) [system] char_type(')', cntrl)
^  Fail: (191) [user] is_like_space(')')
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _168938)
   Exit: (190) [system] peek_char((0x563acd73bee0), ')')
   Call: (190) [system] ')'=')'
   Exit: (190) [system] ')'=')'
   Call: (190) [system] get_char((0x563acd73bee0), _172728)
   Exit: (190) [system] get_char((0x563acd73bee0), ')')
   Call: (190) [system] _151070=[]
   Exit: (190) [system] []=[]
^  Exit: (189) [user] read_list(')', (0x563acd73bee0), [])
   Call: (189) [system] _3398=[['S', _k]]
   Exit: (189) [system] [['S', _k]]=[['S', _k]]
^  Exit: (188) [user] read_list(')', (0x563acd73bee0), [['S', _k]])
   Call: (188) [system] _3388=[_rb, ['S', _k]]
   Exit: (188) [system] [_rb, ['S', _k]]=[_rb, ['S', _k]]
^  Exit: (187) [user] read_list(')', (0x563acd73bee0), [_rb, ['S', _k]])
   Call: (187) [system] _3378=[_kb, _rb, ['S', _k]]
   Exit: (187) [system] [_kb, _rb, ['S', _k]]=[_kb, _rb, ['S', _k]]
^  Exit: (186) [user] read_list(')', (0x563acd73bee0), [_kb, _rb, ['S', _k]])
   Call: (186) [system] _3368=[_query, _kb, _rb, ['S', _k]]
   Exit: (186) [system] [_query, _kb, _rb, ['S', _k]]=[_query, _kb, _rb, ['S', _k]]
^  Exit: (185) [user] read_list(')', (0x563acd73bee0), [_query, _kb, _rb, ['S', _k]])
   Call: (185) [system] _3360=[synthesize, _query, _kb, _rb, ['S', _k]]
   Exit: (185) [system] [synthesize, _query, _kb, _rb, ['S', _k]]=[synthesize, _query, _kb, _rb, ['S', _k]]
^  Exit: (184) [user] read_list(')', (0x563acd73bee0), [synthesize, _query, _kb, _rb, ['S', _k]])
^  Exit: (183) [user] cont_sexpr(')', (0x563acd73bee0), [synthesize, _query, _kb, _rb, ['S', _k]])
^  Call: (183) [user] read_list(')', (0x563acd73bee0), _192198)
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _194056)
   Exit: (185) [system] peek_char((0x563acd73bee0), '\n')
   Call: (185) [system] '\n'=(;)
   Fail: (185) [system] '\n'=(;)
   Call: (185) [system] '\n'=(/)
   Fail: (185) [system] '\n'=(/)
^  Call: (185) [user] is_like_space('\n')
   Call: (186) [system] char_type('\n', 'white')
   Fail: (186) [system] char_type('\n', 'white')
   Call: (186) [system] char_type('\n', end_of_line)
   Exit: (186) [system] char_type('\n', end_of_line)
^  Exit: (185) [user] is_like_space('\n')
   Call: (185) [system] get_char((0x563acd73bee0), _205506)
   Exit: (185) [system] get_char((0x563acd73bee0), '\n')
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _208210)
   Exit: (186) [system] peek_char((0x563acd73bee0), ' ')
   Call: (186) [system] ' '=(;)
   Fail: (186) [system] ' '=(;)
   Call: (186) [system] ' '=(/)
   Fail: (186) [system] ' '=(/)
^  Call: (186) [user] is_like_space(' ')
   Call: (187) [system] char_type(' ', 'white')
   Exit: (187) [system] char_type(' ', 'white')
^  Exit: (186) [user] is_like_space(' ')
   Call: (186) [system] get_char((0x563acd73bee0), _217804)
   Exit: (186) [system] get_char((0x563acd73bee0), ' ')
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _220508)
   Exit: (187) [system] peek_char((0x563acd73bee0), ' ')
   Call: (187) [system] ' '=(;)
   Fail: (187) [system] ' '=(;)
   Call: (187) [system] ' '=(/)
   Fail: (187) [system] ' '=(/)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x563acd73bee0), _230102)
   Exit: (187) [system] get_char((0x563acd73bee0), ' ')
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _232806)
   Exit: (188) [system] peek_char((0x563acd73bee0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x563acd73bee0), _242400)
   Exit: (188) [system] get_char((0x563acd73bee0), ' ')
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _245104)
   Exit: (189) [system] peek_char((0x563acd73bee0), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
   Call: (189) [system] '('=(/)
   Fail: (189) [system] '('=(/)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _264810)
   Exit: (184) [system] peek_char((0x563acd73bee0), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x563acd73bee0), _270380)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _272238)
   Exit: (186) [system] peek_char((0x563acd73bee0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] get_char((0x563acd73bee0), _288248)
   Exit: (185) [system] get_char((0x563acd73bee0), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x563acd73bee0), _270380)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _293818)
   Exit: (187) [system] peek_char((0x563acd73bee0), l)
   Call: (187) [system] l=(;)
   Fail: (187) [system] l=(;)
   Call: (187) [system] l=(/)
   Fail: (187) [system] l=(/)
^  Call: (187) [user] is_like_space(l)
   Call: (188) [system] char_type(l, 'white')
   Fail: (188) [system] char_type(l, 'white')
   Call: (188) [system] char_type(l, end_of_line)
   Fail: (188) [system] char_type(l, end_of_line)
   Call: (188) [system] char_type(l, space)
   Fail: (188) [system] char_type(l, space)
   Call: (188) [system] char_type(l, cntrl)
   Fail: (188) [system] char_type(l, cntrl)
^  Fail: (187) [user] is_like_space(l)
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _309828)
   Exit: (186) [system] peek_char((0x563acd73bee0), l)
   Call: (186) [system] l=')'
   Fail: (186) [system] l=')'
   Call: (186) [system] l=end_of_file
   Fail: (186) [system] l=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x563acd73bee0), _315398)
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _317256)
   Exit: (188) [system] peek_char((0x563acd73bee0), l)
   Call: (188) [system] l=(;)
   Fail: (188) [system] l=(;)
   Call: (188) [system] l=(/)
   Fail: (188) [system] l=(/)
^  Call: (188) [user] is_like_space(l)
   Call: (189) [system] char_type(l, 'white')
   Fail: (189) [system] char_type(l, 'white')
   Call: (189) [system] char_type(l, end_of_line)
   Fail: (189) [system] char_type(l, end_of_line)
   Call: (189) [system] char_type(l, space)
   Fail: (189) [system] char_type(l, space)
   Call: (189) [system] char_type(l, cntrl)
   Fail: (189) [system] char_type(l, cntrl)
^  Fail: (188) [user] is_like_space(l)
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] get_char((0x563acd73bee0), _333266)
   Exit: (187) [system] get_char((0x563acd73bee0), l)
   Call: (187) [system] l='('
   Fail: (187) [system] l='('
   Call: (187) [system] l='['
   Fail: (187) [system] l='['
   Call: (187) [system] l='{'
   Fail: (187) [system] l='{'
   Call: (187) [system] l='"'
   Fail: (187) [system] l='"'
   Call: (187) [system] l=!
   Fail: (187) [system] l=!
   Call: (187) [system] l='\''
   Fail: (187) [system] l='\''
   Call: (187) [system] l='`'
   Fail: (187) [system] l='`'
   Call: (187) [system] l=end_of_file
   Fail: (187) [system] l=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x563acd73bee0), l, _315398)
^  Call: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), _350908)
   Call: (189) [system] peek_char((0x563acd73bee0), _351842)
   Exit: (189) [system] peek_char((0x563acd73bee0), e)
^  Call: (189) [user] is_delimiter(e)
   Call: (190) [system] char_type(e, space)
   Fail: (190) [system] char_type(e, space)
   Call: (190) [system] arg(_356562, v('(', ')', end_of_file), e)
   Fail: (190) [system] arg(_357494, v('(', ')', end_of_file), e)
^  Fail: (189) [user] is_delimiter(e)
   Call: (189) [system] ')'==e
   Fail: (189) [system] ')'==e
   Call: (189) [system] get_char((0x563acd73bee0), e)
   Exit: (189) [system] get_char((0x563acd73bee0), e)
   Call: (189) [system] e=(\)
   Fail: (189) [system] e=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), _364844)
   Call: (190) [system] peek_char((0x563acd73bee0), _365778)
   Exit: (190) [system] peek_char((0x563acd73bee0), t)
^  Call: (190) [user] is_delimiter(t)
   Call: (191) [system] char_type(t, space)
   Fail: (191) [system] char_type(t, space)
   Call: (191) [system] arg(_370498, v('(', ')', end_of_file), t)
   Fail: (191) [system] arg(_371430, v('(', ')', end_of_file), t)
^  Fail: (190) [user] is_delimiter(t)
   Call: (190) [system] ')'==t
   Fail: (190) [system] ')'==t
   Call: (190) [system] get_char((0x563acd73bee0), t)
   Exit: (190) [system] get_char((0x563acd73bee0), t)
   Call: (190) [system] t=(\)
   Fail: (190) [system] t=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), _378780)
   Call: (191) [system] peek_char((0x563acd73bee0), _379714)
   Exit: (191) [system] peek_char((0x563acd73bee0), *)
^  Call: (191) [user] is_delimiter(*)
   Call: (192) [system] char_type(*, space)
   Fail: (192) [system] char_type(*, space)
   Call: (192) [system] arg(_384434, v('(', ')', end_of_file), *)
   Fail: (192) [system] arg(_385366, v('(', ')', end_of_file), *)
^  Fail: (191) [user] is_delimiter(*)
   Call: (191) [system] ')'==(*)
   Fail: (191) [system] ')'==(*)
   Call: (191) [system] get_char((0x563acd73bee0), *)
   Exit: (191) [system] get_char((0x563acd73bee0), *)
   Call: (191) [system] (*)=(\)
   Fail: (191) [system] (*)=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), _392716)
   Call: (192) [system] peek_char((0x563acd73bee0), _393650)
   Exit: (192) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _392716=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (191) [system] _378780=[*]
   Exit: (191) [system] [*]=[*]
^  Exit: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), [*])
   Call: (190) [system] _364844=[t, *]
   Exit: (190) [system] [t, *]=[t, *]
^  Exit: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, *])
   Call: (189) [system] _350908=[e, t, *]
   Exit: (189) [system] [e, t, *]=[e, t, *]
^  Exit: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, t, *])
^  Call: (188) [user] classify_and_convert_charseq([l, e, t, *], _315398)
^  Call: (189) [user] classify_and_convert_charseq_([l, e, t, *], _411316)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_412268, _412270), once(user:catch(read_from_chars([l, e, t, *], _411316), _412250, fail)), '$restore_trace'(_412268, _412270))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_412268, _412270))
   Call: (190) [system] atom_chars(_3460, [l, e, t, *])
   Exit: (190) [system] atom_chars('let*', [l, e, t, *])
^  Exit: (189) [user] classify_and_convert_charseq_([l, e, t, *], 'let*')
   Call: (189) [system] integer('let*')
   Fail: (189) [system] integer('let*')
   Call: (189) [system] _3430='let*'
   Exit: (189) [system] 'let*'='let*'
^  Exit: (188) [user] classify_and_convert_charseq([l, e, t, *], 'let*')
^  Exit: (187) [user] read_symbolic(')', (0x563acd73bee0), l, 'let*')
^  Exit: (186) [user] cont_sexpr(')', (0x563acd73bee0), 'let*')
^  Call: (186) [user] read_list(')', (0x563acd73bee0), _12826)
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _14684)
   Exit: (188) [system] peek_char((0x563acd73bee0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x563acd73bee0), _24278)
   Exit: (188) [system] get_char((0x563acd73bee0), ' ')
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _26982)
   Exit: (189) [system] peek_char((0x563acd73bee0), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
   Call: (189) [system] '('=(/)
   Fail: (189) [system] '('=(/)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _43916)
   Exit: (187) [system] peek_char((0x563acd73bee0), '(')
   Call: (187) [system] '('=')'
   Fail: (187) [system] '('=')'
   Call: (187) [system] '('=end_of_file
   Fail: (187) [system] '('=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x563acd73bee0), _49486)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _51344)
   Exit: (189) [system] peek_char((0x563acd73bee0), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
   Call: (189) [system] '('=(/)
   Fail: (189) [system] '('=(/)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] get_char((0x563acd73bee0), _67354)
   Exit: (188) [system] get_char((0x563acd73bee0), '(')
   Call: (188) [system] '('='('
   Exit: (188) [system] '('='('
^  Call: (188) [user] read_list(')', (0x563acd73bee0), _49486)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _72924)
   Exit: (190) [system] peek_char((0x563acd73bee0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _88934)
   Exit: (189) [system] peek_char((0x563acd73bee0), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x563acd73bee0), _94504)
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _96362)
   Exit: (191) [system] peek_char((0x563acd73bee0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] get_char((0x563acd73bee0), _112372)
   Exit: (190) [system] get_char((0x563acd73bee0), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x563acd73bee0), _94504)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _117942)
   Exit: (192) [system] peek_char((0x563acd73bee0), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
   Call: (192) [system] '('=(/)
   Fail: (192) [system] '('=(/)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _133952)
   Exit: (191) [system] peek_char((0x563acd73bee0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x563acd73bee0), _139522)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _141380)
   Exit: (193) [system] peek_char((0x563acd73bee0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] get_char((0x563acd73bee0), _157390)
   Exit: (192) [system] get_char((0x563acd73bee0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _139522)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _162960)
   Exit: (194) [system] peek_char((0x563acd73bee0), :)
   Call: (194) [system] (:)=(;)
   Fail: (194) [system] (:)=(;)
   Call: (194) [system] (:)=(/)
   Fail: (194) [system] (:)=(/)
^  Call: (194) [user] is_like_space(:)
   Call: (195) [system] char_type(:, 'white')
   Fail: (195) [system] char_type(:, 'white')
   Call: (195) [system] char_type(:, end_of_line)
   Fail: (195) [system] char_type(:, end_of_line)
   Call: (195) [system] char_type(:, space)
   Fail: (195) [system] char_type(:, space)
   Call: (195) [system] char_type(:, cntrl)
   Fail: (195) [system] char_type(:, cntrl)
^  Fail: (194) [user] is_like_space(:)
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _178970)
   Exit: (193) [system] peek_char((0x563acd73bee0), :)
   Call: (193) [system] (:)=')'
   Fail: (193) [system] (:)=')'
   Call: (193) [system] (:)=end_of_file
   Fail: (193) [system] (:)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x563acd73bee0), _184540)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _186398)
   Exit: (195) [system] peek_char((0x563acd73bee0), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
   Call: (195) [system] (:)=(/)
   Fail: (195) [system] (:)=(/)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] get_char((0x563acd73bee0), _202408)
   Exit: (194) [system] get_char((0x563acd73bee0), :)
   Call: (194) [system] (:)='('
   Fail: (194) [system] (:)='('
   Call: (194) [system] (:)='['
   Fail: (194) [system] (:)='['
   Call: (194) [system] (:)='{'
   Fail: (194) [system] (:)='{'
   Call: (194) [system] (:)='"'
   Fail: (194) [system] (:)='"'
   Call: (194) [system] (:)=!
   Fail: (194) [system] (:)=!
   Call: (194) [system] (:)='\''
   Fail: (194) [system] (:)='\''
   Call: (194) [system] (:)='`'
   Fail: (194) [system] (:)='`'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x563acd73bee0), :, _184540)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _220050)
   Call: (196) [system] peek_char((0x563acd73bee0), _220984)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _220050=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (195) [user] classify_and_convert_charseq([:], _184540)
^  Call: (196) [user] classify_and_convert_charseq_([:], _230268)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_231220, _231222), once(user:catch(read_from_chars([:], _230268), _231202, fail)), '$restore_trace'(_231220, _231222))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_231220, _231222))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _231202, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(:)
   Exit: (197) [system] atomic(:)
^  Exit: (196) [user] classify_and_convert_charseq_([:], :)
   Call: (196) [system] integer(:)
   Fail: (196) [system] integer(:)
   Call: (196) [system] _184540=(:)
   Exit: (196) [system] (:)=(:)
^  Exit: (195) [user] classify_and_convert_charseq([:], :)
^  Exit: (194) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (193) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _243348)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _245206)
   Exit: (195) [system] peek_char((0x563acd73bee0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x563acd73bee0), _254800)
   Exit: (195) [system] get_char((0x563acd73bee0), ' ')
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _257504)
   Exit: (196) [system] peek_char((0x563acd73bee0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _274438)
   Exit: (194) [system] peek_char((0x563acd73bee0), $)
   Call: (194) [system] ($)=')'
   Fail: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x563acd73bee0), _280008)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _281866)
   Exit: (196) [system] peek_char((0x563acd73bee0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] get_char((0x563acd73bee0), _297876)
   Exit: (195) [system] get_char((0x563acd73bee0), $)
   Call: (195) [system] ($)='('
   Fail: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Fail: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Fail: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Fail: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Fail: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Fail: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Fail: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x563acd73bee0), $, _280008)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _315518)
   Call: (197) [system] peek_char((0x563acd73bee0), _316452)
   Exit: (197) [system] peek_char((0x563acd73bee0), r)
^  Call: (197) [user] is_delimiter(r)
   Call: (198) [system] char_type(r, space)
   Fail: (198) [system] char_type(r, space)
   Call: (198) [system] arg(_321172, v('(', ')', end_of_file), r)
   Fail: (198) [system] arg(_322104, v('(', ')', end_of_file), r)
^  Fail: (197) [user] is_delimiter(r)
   Call: (197) [system] ')'==r
   Fail: (197) [system] ')'==r
   Call: (197) [system] get_char((0x563acd73bee0), r)
   Exit: (197) [system] get_char((0x563acd73bee0), r)
   Call: (197) [system] r=(\)
   Fail: (197) [system] r=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _329454)
   Call: (198) [system] peek_char((0x563acd73bee0), _330388)
   Exit: (198) [system] peek_char((0x563acd73bee0), u)
^  Call: (198) [user] is_delimiter(u)
   Call: (199) [system] char_type(u, space)
   Fail: (199) [system] char_type(u, space)
   Call: (199) [system] arg(_335108, v('(', ')', end_of_file), u)
   Fail: (199) [system] arg(_336040, v('(', ')', end_of_file), u)
^  Fail: (198) [user] is_delimiter(u)
   Call: (198) [system] ')'==u
   Fail: (198) [system] ')'==u
   Call: (198) [system] get_char((0x563acd73bee0), u)
   Exit: (198) [system] get_char((0x563acd73bee0), u)
   Call: (198) [system] u=(\)
   Fail: (198) [system] u=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _343390)
   Call: (199) [system] peek_char((0x563acd73bee0), _344324)
   Exit: (199) [system] peek_char((0x563acd73bee0), c)
^  Call: (199) [user] is_delimiter(c)
   Call: (200) [system] char_type(c, space)
   Fail: (200) [system] char_type(c, space)
   Call: (200) [system] arg(_349044, v('(', ')', end_of_file), c)
   Fail: (200) [system] arg(_349976, v('(', ')', end_of_file), c)
^  Fail: (199) [user] is_delimiter(c)
   Call: (199) [system] ')'==c
   Fail: (199) [system] ')'==c
   Call: (199) [system] get_char((0x563acd73bee0), c)
   Exit: (199) [system] get_char((0x563acd73bee0), c)
   Call: (199) [system] c=(\)
   Fail: (199) [system] c=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _357326)
   Call: (200) [system] peek_char((0x563acd73bee0), _358260)
   Exit: (200) [system] peek_char((0x563acd73bee0), t)
^  Call: (200) [user] is_delimiter(t)
   Call: (201) [system] char_type(t, space)
   Fail: (201) [system] char_type(t, space)
   Call: (201) [system] arg(_362980, v('(', ')', end_of_file), t)
   Fail: (201) [system] arg(_363912, v('(', ')', end_of_file), t)
^  Fail: (200) [user] is_delimiter(t)
   Call: (200) [system] ')'==t
   Fail: (200) [system] ')'==t
   Call: (200) [system] get_char((0x563acd73bee0), t)
   Exit: (200) [system] get_char((0x563acd73bee0), t)
   Call: (200) [system] t=(\)
   Fail: (200) [system] t=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _371262)
   Call: (201) [system] peek_char((0x563acd73bee0), _372196)
   Exit: (201) [system] peek_char((0x563acd73bee0), o)
^  Call: (201) [user] is_delimiter(o)
   Call: (202) [system] char_type(o, space)
   Fail: (202) [system] char_type(o, space)
   Call: (202) [system] arg(_376916, v('(', ')', end_of_file), o)
   Fail: (202) [system] arg(_377848, v('(', ')', end_of_file), o)
^  Fail: (201) [user] is_delimiter(o)
   Call: (201) [system] ')'==o
   Fail: (201) [system] ')'==o
   Call: (201) [system] get_char((0x563acd73bee0), o)
   Exit: (201) [system] get_char((0x563acd73bee0), o)
   Call: (201) [system] o=(\)
   Fail: (201) [system] o=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _385198)
   Call: (202) [system] peek_char((0x563acd73bee0), _386132)
   Exit: (202) [system] peek_char((0x563acd73bee0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_390852, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_391784, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x563acd73bee0), r)
   Exit: (202) [system] get_char((0x563acd73bee0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _399134)
   Call: (203) [system] peek_char((0x563acd73bee0), _400068)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _399134=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (202) [system] _385198=[r]
   Exit: (202) [system] [r]=[r]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [r])
   Call: (201) [system] _371262=[o, r]
   Exit: (201) [system] [o, r]=[o, r]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, r])
   Call: (200) [system] _357326=[t, o, r]
   Exit: (200) [system] [t, o, r]=[t, o, r]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, o, r])
   Call: (199) [system] _343390=[c, t, o, r]
   Exit: (199) [system] [c, t, o, r]=[c, t, o, r]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, o, r])
   Call: (198) [system] _329454=[u, c, t, o, r]
   Exit: (198) [system] [u, c, t, o, r]=[u, c, t, o, r]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, o, r])
   Call: (197) [system] _315518=[r, u, c, t, o, r]
   Exit: (197) [system] [r, u, c, t, o, r]=[r, u, c, t, o, r]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, u, c, t, o, r])
^  Call: (196) [user] classify_and_convert_charseq([$, r, u, c, t, o, r], _280008)
^  Call: (197) [user] classify_and_convert_charseq_([$, r, u, c, t, o, r], _426116)
   Call: (198) [system] atom_chars(_427048, ['_', r, u, c, t, o, r])
   Exit: (198) [system] atom_chars('_ructor', ['_', r, u, c, t, o, r])
^  Exit: (197) [user] classify_and_convert_charseq_([$, r, u, c, t, o, r], _ructor)
   Call: (197) [system] integer(_ructor)
   Fail: (197) [system] integer(_ructor)
   Call: (197) [system] _280008=_ructor
   Exit: (197) [system] _ructor=_ructor
^  Exit: (196) [user] classify_and_convert_charseq([$, r, u, c, t, o, r], _ructor)
^  Exit: (195) [user] read_symbolic(')', (0x563acd73bee0), $, _ructor)
^  Exit: (194) [user] cont_sexpr(')', (0x563acd73bee0), _ructor)
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _436340)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _438198)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x563acd73bee0), _447792)
   Exit: (196) [system] get_char((0x563acd73bee0), ' ')
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _450496)
   Exit: (197) [system] peek_char((0x563acd73bee0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _467430)
   Exit: (195) [system] peek_char((0x563acd73bee0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x563acd73bee0), _473000)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _474858)
   Exit: (197) [system] peek_char((0x563acd73bee0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] get_char((0x563acd73bee0), _490868)
   Exit: (196) [system] get_char((0x563acd73bee0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x563acd73bee0), _473000)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _496438)
   Exit: (198) [system] peek_char((0x563acd73bee0), -)
   Call: (198) [system] (-)=(;)
   Fail: (198) [system] (-)=(;)
   Call: (198) [system] (-)=(/)
   Fail: (198) [system] (-)=(/)
^  Call: (198) [user] is_like_space(-)
   Call: (199) [system] char_type(-, 'white')
   Fail: (199) [system] char_type(-, 'white')
   Call: (199) [system] char_type(-, end_of_line)
   Fail: (199) [system] char_type(-, end_of_line)
   Call: (199) [system] char_type(-, space)
   Fail: (199) [system] char_type(-, space)
   Call: (199) [system] char_type(-, cntrl)
   Fail: (199) [system] char_type(-, cntrl)
^  Fail: (198) [user] is_like_space(-)
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _512448)
   Exit: (197) [system] peek_char((0x563acd73bee0), -)
   Call: (197) [system] (-)=')'
   Fail: (197) [system] (-)=')'
   Call: (197) [system] (-)=end_of_file
   Fail: (197) [system] (-)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x563acd73bee0), _518018)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _519876)
   Exit: (199) [system] peek_char((0x563acd73bee0), -)
   Call: (199) [system] (-)=(;)
   Fail: (199) [system] (-)=(;)
   Call: (199) [system] (-)=(/)
   Fail: (199) [system] (-)=(/)
^  Call: (199) [user] is_like_space(-)
   Call: (200) [system] char_type(-, 'white')
   Fail: (200) [system] char_type(-, 'white')
   Call: (200) [system] char_type(-, end_of_line)
   Fail: (200) [system] char_type(-, end_of_line)
   Call: (200) [system] char_type(-, space)
   Fail: (200) [system] char_type(-, space)
   Call: (200) [system] char_type(-, cntrl)
   Fail: (200) [system] char_type(-, cntrl)
^  Fail: (199) [user] is_like_space(-)
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] get_char((0x563acd73bee0), _535886)
   Exit: (198) [system] get_char((0x563acd73bee0), -)
   Call: (198) [system] (-)='('
   Fail: (198) [system] (-)='('
   Call: (198) [system] (-)='['
   Fail: (198) [system] (-)='['
   Call: (198) [system] (-)='{'
   Fail: (198) [system] (-)='{'
   Call: (198) [system] (-)='"'
   Fail: (198) [system] (-)='"'
   Call: (198) [system] (-)=!
   Fail: (198) [system] (-)=!
   Call: (198) [system] (-)='\''
   Fail: (198) [system] (-)='\''
   Call: (198) [system] (-)='`'
   Fail: (198) [system] (-)='`'
   Call: (198) [system] (-)=end_of_file
   Fail: (198) [system] (-)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x563acd73bee0), -, _518018)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _553528)
   Call: (200) [system] peek_char((0x563acd73bee0), _554462)
   Exit: (200) [system] peek_char((0x563acd73bee0), >)
^  Call: (200) [user] is_delimiter(>)
   Call: (201) [system] char_type(>, space)
   Fail: (201) [system] char_type(>, space)
   Call: (201) [system] arg(_559182, v('(', ')', end_of_file), >)
   Fail: (201) [system] arg(_560114, v('(', ')', end_of_file), >)
^  Fail: (200) [user] is_delimiter(>)
   Call: (200) [system] ')'==(>)
   Fail: (200) [system] ')'==(>)
   Call: (200) [system] get_char((0x563acd73bee0), >)
   Exit: (200) [system] get_char((0x563acd73bee0), >)
   Call: (200) [system] (>)=(\)
   Fail: (200) [system] (>)=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _567464)
   Call: (201) [system] peek_char((0x563acd73bee0), _568398)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (201) [user] is_delimiter(' ')
   Call: (202) [system] char_type(' ', space)
   Exit: (202) [system] char_type(' ', space)
^  Exit: (201) [user] is_delimiter(' ')
   Call: (201) [system] _567464=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (200) [system] _553528=[>]
   Exit: (200) [system] [>]=[>]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [>])
^  Call: (199) [user] classify_and_convert_charseq([-, >], _518018)
^  Call: (200) [user] classify_and_convert_charseq_([-, >], _580476)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_581428, _581430), once(user:catch(read_from_chars([-, >], _580476), _581410, fail)), '$restore_trace'(_581428, _581430))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_581428, _581430))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _581410, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(->)
   Exit: (201) [system] atomic(->)
^  Exit: (200) [user] classify_and_convert_charseq_([-, >], ->)
   Call: (200) [system] integer(->)
   Fail: (200) [system] integer(->)
   Call: (200) [system] _518018=(->)
   Exit: (200) [system] (->)=(->)
^  Exit: (199) [user] classify_and_convert_charseq([-, >], ->)
^  Exit: (198) [user] read_symbolic(')', (0x563acd73bee0), -, ->)
^  Exit: (197) [user] cont_sexpr(')', (0x563acd73bee0), ->)
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _593556)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _595414)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x563acd73bee0), _605008)
   Exit: (199) [system] get_char((0x563acd73bee0), ' ')
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _607712)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _624646)
   Exit: (198) [system] peek_char((0x563acd73bee0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x563acd73bee0), _630216)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _632074)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] get_char((0x563acd73bee0), _648084)
   Exit: (199) [system] get_char((0x563acd73bee0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x563acd73bee0), $, _630216)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _665726)
   Call: (201) [system] peek_char((0x563acd73bee0), _666660)
   Exit: (201) [system] peek_char((0x563acd73bee0), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_671380, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_672312, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x563acd73bee0), p)
   Exit: (201) [system] get_char((0x563acd73bee0), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _679662)
   Call: (202) [system] peek_char((0x563acd73bee0), _680596)
   Exit: (202) [system] peek_char((0x563acd73bee0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_685316, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_686248, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x563acd73bee0), r)
   Exit: (202) [system] get_char((0x563acd73bee0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _693598)
   Call: (203) [system] peek_char((0x563acd73bee0), _694532)
   Exit: (203) [system] peek_char((0x563acd73bee0), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Fail: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_699252, v('(', ')', end_of_file), e)
   Fail: (204) [system] arg(_700184, v('(', ')', end_of_file), e)
^  Fail: (203) [user] is_delimiter(e)
   Call: (203) [system] ')'==e
   Fail: (203) [system] ')'==e
   Call: (203) [system] get_char((0x563acd73bee0), e)
   Exit: (203) [system] get_char((0x563acd73bee0), e)
   Call: (203) [system] e=(\)
   Fail: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _707534)
   Call: (204) [system] peek_char((0x563acd73bee0), _708468)
   Exit: (204) [system] peek_char((0x563acd73bee0), m)
^  Call: (204) [user] is_delimiter(m)
   Call: (205) [system] char_type(m, space)
   Fail: (205) [system] char_type(m, space)
   Call: (205) [system] arg(_713188, v('(', ')', end_of_file), m)
   Fail: (205) [system] arg(_714120, v('(', ')', end_of_file), m)
^  Fail: (204) [user] is_delimiter(m)
   Call: (204) [system] ')'==m
   Fail: (204) [system] ')'==m
   Call: (204) [system] get_char((0x563acd73bee0), m)
   Exit: (204) [system] get_char((0x563acd73bee0), m)
   Call: (204) [system] m=(\)
   Fail: (204) [system] m=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _721470)
   Call: (205) [system] peek_char((0x563acd73bee0), _722404)
   Exit: (205) [system] peek_char((0x563acd73bee0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_727124, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_728056, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x563acd73bee0), i)
   Exit: (205) [system] get_char((0x563acd73bee0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _735406)
   Call: (206) [system] peek_char((0x563acd73bee0), _736340)
   Exit: (206) [system] peek_char((0x563acd73bee0), s)
^  Call: (206) [user] is_delimiter(s)
   Call: (207) [system] char_type(s, space)
   Fail: (207) [system] char_type(s, space)
   Call: (207) [system] arg(_741060, v('(', ')', end_of_file), s)
   Fail: (207) [system] arg(_741992, v('(', ')', end_of_file), s)
^  Fail: (206) [user] is_delimiter(s)
   Call: (206) [system] ')'==s
   Fail: (206) [system] ')'==s
   Call: (206) [system] get_char((0x563acd73bee0), s)
   Exit: (206) [system] get_char((0x563acd73bee0), s)
   Call: (206) [system] s=(\)
   Fail: (206) [system] s=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _749342)
   Call: (207) [system] peek_char((0x563acd73bee0), _750276)
   Exit: (207) [system] peek_char((0x563acd73bee0), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_754996, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_755928, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x563acd73bee0), e)
   Exit: (207) [system] get_char((0x563acd73bee0), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _763278)
   Call: (208) [system] peek_char((0x563acd73bee0), _764212)
   Exit: (208) [system] peek_char((0x563acd73bee0), '1')
^  Call: (208) [user] is_delimiter('1')
   Call: (209) [system] char_type('1', space)
   Fail: (209) [system] char_type('1', space)
   Call: (209) [system] arg(_768932, v('(', ')', end_of_file), '1')
   Fail: (209) [system] arg(_769864, v('(', ')', end_of_file), '1')
^  Fail: (208) [user] is_delimiter('1')
   Call: (208) [system] ')'=='1'
   Fail: (208) [system] ')'=='1'
   Call: (208) [system] get_char((0x563acd73bee0), '1')
   Exit: (208) [system] get_char((0x563acd73bee0), '1')
   Call: (208) [system] '1'=(\)
   Fail: (208) [system] '1'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _777214)
   Call: (209) [system] peek_char((0x563acd73bee0), _778148)
   Exit: (209) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _777214=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (208) [system] _763278=['1']
   Exit: (208) [system] ['1']=['1']
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), ['1'])
   Call: (207) [system] _749342=[e, '1']
   Exit: (207) [system] [e, '1']=[e, '1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, '1'])
   Call: (206) [system] _735406=[s, e, '1']
   Exit: (206) [system] [s, e, '1']=[s, e, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, e, '1'])
   Call: (205) [system] _721470=[i, s, e, '1']
   Exit: (205) [system] [i, s, e, '1']=[i, s, e, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, e, '1'])
   Call: (204) [system] _707534=[m, i, s, e, '1']
   Exit: (204) [system] [m, i, s, e, '1']=[m, i, s, e, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, i, s, e, '1'])
   Call: (203) [system] _693598=[e, m, i, s, e, '1']
   Exit: (203) [system] [e, m, i, s, e, '1']=[e, m, i, s, e, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, m, i, s, e, '1'])
   Call: (202) [system] _679662=[r, e, m, i, s, e, '1']
   Exit: (202) [system] [r, e, m, i, s, e, '1']=[r, e, m, i, s, e, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, e, m, i, s, e, '1'])
   Call: (201) [system] _665726=[p, r, e, m, i, s, e, '1']
   Exit: (201) [system] [p, r, e, m, i, s, e, '1']=[p, r, e, m, i, s, e, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, e, m, i, s, e, '1'])
^  Call: (200) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _630216)
^  Call: (201) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _809784)
   Call: (202) [system] atom_chars(_810716, ['_', p, r, e, m, i, s, e, '1'])
   Exit: (202) [system] atom_chars('_premise1', ['_', p, r, e, m, i, s, e, '1'])
^  Exit: (201) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _premise1)
   Call: (201) [system] integer(_premise1)
   Fail: (201) [system] integer(_premise1)
   Call: (201) [system] _630216=_premise1
   Exit: (201) [system] _premise1=_premise1
^  Exit: (200) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _premise1)
^  Exit: (199) [user] read_symbolic(')', (0x563acd73bee0), $, _premise1)
^  Exit: (198) [user] cont_sexpr(')', (0x563acd73bee0), _premise1)
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _820008)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _821866)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x563acd73bee0), _831460)
   Exit: (200) [system] get_char((0x563acd73bee0), ' ')
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _834164)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _851098)
   Exit: (199) [system] peek_char((0x563acd73bee0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x563acd73bee0), _856668)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _858526)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] get_char((0x563acd73bee0), _874536)
   Exit: (200) [system] get_char((0x563acd73bee0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x563acd73bee0), $, _856668)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _892178)
   Call: (202) [system] peek_char((0x563acd73bee0), _893112)
   Exit: (202) [system] peek_char((0x563acd73bee0), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Fail: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_897832, v('(', ')', end_of_file), p)
   Fail: (203) [system] arg(_898764, v('(', ')', end_of_file), p)
^  Fail: (202) [user] is_delimiter(p)
   Call: (202) [system] ')'==p
   Fail: (202) [system] ')'==p
   Call: (202) [system] get_char((0x563acd73bee0), p)
   Exit: (202) [system] get_char((0x563acd73bee0), p)
   Call: (202) [system] p=(\)
   Fail: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _906114)
   Call: (203) [system] peek_char((0x563acd73bee0), _907048)
   Exit: (203) [system] peek_char((0x563acd73bee0), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_911768, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_912700, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x563acd73bee0), r)
   Exit: (203) [system] get_char((0x563acd73bee0), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _920050)
   Call: (204) [system] peek_char((0x563acd73bee0), _920984)
   Exit: (204) [system] peek_char((0x563acd73bee0), e)
^  Call: (204) [user] is_delimiter(e)
   Call: (205) [system] char_type(e, space)
   Fail: (205) [system] char_type(e, space)
   Call: (205) [system] arg(_925704, v('(', ')', end_of_file), e)
   Fail: (205) [system] arg(_926636, v('(', ')', end_of_file), e)
^  Fail: (204) [user] is_delimiter(e)
   Call: (204) [system] ')'==e
   Fail: (204) [system] ')'==e
   Call: (204) [system] get_char((0x563acd73bee0), e)
   Exit: (204) [system] get_char((0x563acd73bee0), e)
   Call: (204) [system] e=(\)
   Fail: (204) [system] e=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _933986)
   Call: (205) [system] peek_char((0x563acd73bee0), _934920)
   Exit: (205) [system] peek_char((0x563acd73bee0), m)
^  Call: (205) [user] is_delimiter(m)
   Call: (206) [system] char_type(m, space)
   Fail: (206) [system] char_type(m, space)
   Call: (206) [system] arg(_939640, v('(', ')', end_of_file), m)
   Fail: (206) [system] arg(_940572, v('(', ')', end_of_file), m)
^  Fail: (205) [user] is_delimiter(m)
   Call: (205) [system] ')'==m
   Fail: (205) [system] ')'==m
   Call: (205) [system] get_char((0x563acd73bee0), m)
   Exit: (205) [system] get_char((0x563acd73bee0), m)
   Call: (205) [system] m=(\)
   Fail: (205) [system] m=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _947922)
   Call: (206) [system] peek_char((0x563acd73bee0), _948856)
   Exit: (206) [system] peek_char((0x563acd73bee0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_953576, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_954508, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x563acd73bee0), i)
   Exit: (206) [system] get_char((0x563acd73bee0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _961858)
   Call: (207) [system] peek_char((0x563acd73bee0), _962792)
   Exit: (207) [system] peek_char((0x563acd73bee0), s)
^  Call: (207) [user] is_delimiter(s)
   Call: (208) [system] char_type(s, space)
   Fail: (208) [system] char_type(s, space)
   Call: (208) [system] arg(_967512, v('(', ')', end_of_file), s)
   Fail: (208) [system] arg(_968444, v('(', ')', end_of_file), s)
^  Fail: (207) [user] is_delimiter(s)
   Call: (207) [system] ')'==s
   Fail: (207) [system] ')'==s
   Call: (207) [system] get_char((0x563acd73bee0), s)
   Exit: (207) [system] get_char((0x563acd73bee0), s)
   Call: (207) [system] s=(\)
   Fail: (207) [system] s=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _975794)
   Call: (208) [system] peek_char((0x563acd73bee0), _976728)
   Exit: (208) [system] peek_char((0x563acd73bee0), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Fail: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_981448, v('(', ')', end_of_file), e)
   Fail: (209) [system] arg(_982380, v('(', ')', end_of_file), e)
^  Fail: (208) [user] is_delimiter(e)
   Call: (208) [system] ')'==e
   Fail: (208) [system] ')'==e
   Call: (208) [system] get_char((0x563acd73bee0), e)
   Exit: (208) [system] get_char((0x563acd73bee0), e)
   Call: (208) [system] e=(\)
   Fail: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _989730)
   Call: (209) [system] peek_char((0x563acd73bee0), _990664)
   Exit: (209) [system] peek_char((0x563acd73bee0), '2')
^  Call: (209) [user] is_delimiter('2')
   Call: (210) [system] char_type('2', space)
   Fail: (210) [system] char_type('2', space)
   Call: (210) [system] arg(_995384, v('(', ')', end_of_file), '2')
   Fail: (210) [system] arg(_996316, v('(', ')', end_of_file), '2')
^  Fail: (209) [user] is_delimiter('2')
   Call: (209) [system] ')'=='2'
   Fail: (209) [system] ')'=='2'
   Call: (209) [system] get_char((0x563acd73bee0), '2')
   Exit: (209) [system] get_char((0x563acd73bee0), '2')
   Call: (209) [system] '2'=(\)
   Fail: (209) [system] '2'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1003666)
   Call: (210) [system] peek_char((0x563acd73bee0), _1004600)
   Exit: (210) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1003666=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (209) [system] _989730=['2']
   Exit: (209) [system] ['2']=['2']
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), ['2'])
   Call: (208) [system] _975794=[e, '2']
   Exit: (208) [system] [e, '2']=[e, '2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, '2'])
   Call: (207) [system] _961858=[s, e, '2']
   Exit: (207) [system] [s, e, '2']=[s, e, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, e, '2'])
   Call: (206) [system] _947922=[i, s, e, '2']
   Exit: (206) [system] [i, s, e, '2']=[i, s, e, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, e, '2'])
   Call: (205) [system] _933986=[m, i, s, e, '2']
   Exit: (205) [system] [m, i, s, e, '2']=[m, i, s, e, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, i, s, e, '2'])
   Call: (204) [system] _920050=[e, m, i, s, e, '2']
   Exit: (204) [system] [e, m, i, s, e, '2']=[e, m, i, s, e, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, m, i, s, e, '2'])
   Call: (203) [system] _906114=[r, e, m, i, s, e, '2']
   Exit: (203) [system] [r, e, m, i, s, e, '2']=[r, e, m, i, s, e, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, e, m, i, s, e, '2'])
   Call: (202) [system] _892178=[p, r, e, m, i, s, e, '2']
   Exit: (202) [system] [p, r, e, m, i, s, e, '2']=[p, r, e, m, i, s, e, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, e, m, i, s, e, '2'])
^  Call: (201) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _856668)
^  Call: (202) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _1036236)
   Call: (203) [system] atom_chars(_1037168, ['_', p, r, e, m, i, s, e, '2'])
   Exit: (203) [system] atom_chars('_premise2', ['_', p, r, e, m, i, s, e, '2'])
^  Exit: (202) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _premise2)
   Call: (202) [system] integer(_premise2)
   Fail: (202) [system] integer(_premise2)
   Call: (202) [system] _856668=_premise2
   Exit: (202) [system] _premise2=_premise2
^  Exit: (201) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _premise2)
^  Exit: (200) [user] read_symbolic(')', (0x563acd73bee0), $, _premise2)
^  Exit: (199) [user] cont_sexpr(')', (0x563acd73bee0), _premise2)
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _1046460)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1048318)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _1057912)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1060616)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1077550)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x563acd73bee0), _1083120)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1084978)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] get_char((0x563acd73bee0), _1100988)
   Exit: (201) [system] get_char((0x563acd73bee0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x563acd73bee0), $, _1083120)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1118630)
   Call: (203) [system] peek_char((0x563acd73bee0), _1119564)
   Exit: (203) [system] peek_char((0x563acd73bee0), c)
^  Call: (203) [user] is_delimiter(c)
   Call: (204) [system] char_type(c, space)
   Fail: (204) [system] char_type(c, space)
   Call: (204) [system] arg(_1124284, v('(', ')', end_of_file), c)
   Fail: (204) [system] arg(_1125216, v('(', ')', end_of_file), c)
^  Fail: (203) [user] is_delimiter(c)
   Call: (203) [system] ')'==c
   Fail: (203) [system] ')'==c
   Call: (203) [system] get_char((0x563acd73bee0), c)
   Exit: (203) [system] get_char((0x563acd73bee0), c)
   Call: (203) [system] c=(\)
   Fail: (203) [system] c=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1132566)
   Call: (204) [system] peek_char((0x563acd73bee0), _1133500)
   Exit: (204) [system] peek_char((0x563acd73bee0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_1138220, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_1139152, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x563acd73bee0), o)
   Exit: (204) [system] get_char((0x563acd73bee0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1146502)
   Call: (205) [system] peek_char((0x563acd73bee0), _1147436)
   Exit: (205) [system] peek_char((0x563acd73bee0), n)
^  Call: (205) [user] is_delimiter(n)
   Call: (206) [system] char_type(n, space)
   Fail: (206) [system] char_type(n, space)
   Call: (206) [system] arg(_1152156, v('(', ')', end_of_file), n)
   Fail: (206) [system] arg(_1153088, v('(', ')', end_of_file), n)
^  Fail: (205) [user] is_delimiter(n)
   Call: (205) [system] ')'==n
   Fail: (205) [system] ')'==n
   Call: (205) [system] get_char((0x563acd73bee0), n)
   Exit: (205) [system] get_char((0x563acd73bee0), n)
   Call: (205) [system] n=(\)
   Fail: (205) [system] n=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1160438)
   Call: (206) [system] peek_char((0x563acd73bee0), _1161372)
   Exit: (206) [system] peek_char((0x563acd73bee0), c)
^  Call: (206) [user] is_delimiter(c)
   Call: (207) [system] char_type(c, space)
   Fail: (207) [system] char_type(c, space)
   Call: (207) [system] arg(_1166092, v('(', ')', end_of_file), c)
   Fail: (207) [system] arg(_1167024, v('(', ')', end_of_file), c)
^  Fail: (206) [user] is_delimiter(c)
   Call: (206) [system] ')'==c
   Fail: (206) [system] ')'==c
   Call: (206) [system] get_char((0x563acd73bee0), c)
   Exit: (206) [system] get_char((0x563acd73bee0), c)
   Call: (206) [system] c=(\)
   Fail: (206) [system] c=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1174374)
   Call: (207) [system] peek_char((0x563acd73bee0), _1175308)
   Exit: (207) [system] peek_char((0x563acd73bee0), l)
^  Call: (207) [user] is_delimiter(l)
   Call: (208) [system] char_type(l, space)
   Fail: (208) [system] char_type(l, space)
   Call: (208) [system] arg(_1180028, v('(', ')', end_of_file), l)
   Fail: (208) [system] arg(_1180960, v('(', ')', end_of_file), l)
^  Fail: (207) [user] is_delimiter(l)
   Call: (207) [system] ')'==l
   Fail: (207) [system] ')'==l
   Call: (207) [system] get_char((0x563acd73bee0), l)
   Exit: (207) [system] get_char((0x563acd73bee0), l)
   Call: (207) [system] l=(\)
   Fail: (207) [system] l=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1188310)
   Call: (208) [system] peek_char((0x563acd73bee0), _1189244)
   Exit: (208) [system] peek_char((0x563acd73bee0), u)
^  Call: (208) [user] is_delimiter(u)
   Call: (209) [system] char_type(u, space)
   Fail: (209) [system] char_type(u, space)
   Call: (209) [system] arg(_1193964, v('(', ')', end_of_file), u)
   Fail: (209) [system] arg(_1194896, v('(', ')', end_of_file), u)
^  Fail: (208) [user] is_delimiter(u)
   Call: (208) [system] ')'==u
   Fail: (208) [system] ')'==u
   Call: (208) [system] get_char((0x563acd73bee0), u)
   Exit: (208) [system] get_char((0x563acd73bee0), u)
   Call: (208) [system] u=(\)
   Fail: (208) [system] u=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1202246)
   Call: (209) [system] peek_char((0x563acd73bee0), _1203180)
   Exit: (209) [system] peek_char((0x563acd73bee0), s)
^  Call: (209) [user] is_delimiter(s)
   Call: (210) [system] char_type(s, space)
   Fail: (210) [system] char_type(s, space)
   Call: (210) [system] arg(_1207900, v('(', ')', end_of_file), s)
   Fail: (210) [system] arg(_1208832, v('(', ')', end_of_file), s)
^  Fail: (209) [user] is_delimiter(s)
   Call: (209) [system] ')'==s
   Fail: (209) [system] ')'==s
   Call: (209) [system] get_char((0x563acd73bee0), s)
   Exit: (209) [system] get_char((0x563acd73bee0), s)
   Call: (209) [system] s=(\)
   Fail: (209) [system] s=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1216182)
   Call: (210) [system] peek_char((0x563acd73bee0), _1217116)
   Exit: (210) [system] peek_char((0x563acd73bee0), i)
^  Call: (210) [user] is_delimiter(i)
   Call: (211) [system] char_type(i, space)
   Fail: (211) [system] char_type(i, space)
   Call: (211) [system] arg(_1221836, v('(', ')', end_of_file), i)
   Fail: (211) [system] arg(_1222768, v('(', ')', end_of_file), i)
^  Fail: (210) [user] is_delimiter(i)
   Call: (210) [system] ')'==i
   Fail: (210) [system] ')'==i
   Call: (210) [system] get_char((0x563acd73bee0), i)
   Exit: (210) [system] get_char((0x563acd73bee0), i)
   Call: (210) [system] i=(\)
   Fail: (210) [system] i=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1230118)
   Call: (211) [system] peek_char((0x563acd73bee0), _1231052)
   Exit: (211) [system] peek_char((0x563acd73bee0), o)
^  Call: (211) [user] is_delimiter(o)
   Call: (212) [system] char_type(o, space)
   Fail: (212) [system] char_type(o, space)
   Call: (212) [system] arg(_1235772, v('(', ')', end_of_file), o)
   Fail: (212) [system] arg(_1236704, v('(', ')', end_of_file), o)
^  Fail: (211) [user] is_delimiter(o)
   Call: (211) [system] ')'==o
   Fail: (211) [system] ')'==o
   Call: (211) [system] get_char((0x563acd73bee0), o)
   Exit: (211) [system] get_char((0x563acd73bee0), o)
   Call: (211) [system] o=(\)
   Fail: (211) [system] o=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1244054)
   Call: (212) [system] peek_char((0x563acd73bee0), _1244988)
   Exit: (212) [system] peek_char((0x563acd73bee0), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Fail: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_1249708, v('(', ')', end_of_file), n)
   Fail: (213) [system] arg(_1250640, v('(', ')', end_of_file), n)
^  Fail: (212) [user] is_delimiter(n)
   Call: (212) [system] ')'==n
   Fail: (212) [system] ')'==n
   Call: (212) [system] get_char((0x563acd73bee0), n)
   Exit: (212) [system] get_char((0x563acd73bee0), n)
   Call: (212) [system] n=(\)
   Fail: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _1257990)
   Call: (213) [system] peek_char((0x563acd73bee0), _1258924)
   Exit: (213) [system] peek_char((0x563acd73bee0), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_1263644, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _1257990=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (212) [system] _1244054=[n]
   Exit: (212) [system] [n]=[n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (211) [system] _1230118=[o, n]
   Exit: (211) [system] [o, n]=[o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (210) [system] _1216182=[i, o, n]
   Exit: (210) [system] [i, o, n]=[i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (209) [system] _1202246=[s, i, o, n]
   Exit: (209) [system] [s, i, o, n]=[s, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, i, o, n])
   Call: (208) [system] _1188310=[u, s, i, o, n]
   Exit: (208) [system] [u, s, i, o, n]=[u, s, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, s, i, o, n])
   Call: (207) [system] _1174374=[l, u, s, i, o, n]
   Exit: (207) [system] [l, u, s, i, o, n]=[l, u, s, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, u, s, i, o, n])
   Call: (206) [system] _1160438=[c, l, u, s, i, o, n]
   Exit: (206) [system] [c, l, u, s, i, o, n]=[c, l, u, s, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, l, u, s, i, o, n])
   Call: (205) [system] _1146502=[n, c, l, u, s, i, o, n]
   Exit: (205) [system] [n, c, l, u, s, i, o, n]=[n, c, l, u, s, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, l, u, s, i, o, n])
   Call: (204) [system] _1132566=[o, n, c, l, u, s, i, o, n]
   Exit: (204) [system] [o, n, c, l, u, s, i, o, n]=[o, n, c, l, u, s, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, c, l, u, s, i, o, n])
   Call: (203) [system] _1118630=[c, o, n, c, l, u, s, i, o, n]
   Exit: (203) [system] [c, o, n, c, l, u, s, i, o, n]=[c, o, n, c, l, u, s, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, o, n, c, l, u, s, i, o, n])
^  Call: (202) [user] classify_and_convert_charseq([$, c, o, n, c, l, u, s, i, o, n], _1083120)
^  Call: (203) [user] classify_and_convert_charseq_([$, c, o, n, c, l, u, s, i, o, n], _1298020)
   Call: (204) [system] atom_chars(_1298952, ['_', c, o, n, c, l, u, s, i, o, n])
   Exit: (204) [system] atom_chars('_conclusion', ['_', c, o, n, c, l, u, s, i, o, n])
^  Exit: (203) [user] classify_and_convert_charseq_([$, c, o, n, c, l, u, s, i, o, n], _conclusion)
   Call: (203) [system] integer(_conclusion)
   Fail: (203) [system] integer(_conclusion)
   Call: (203) [system] _1083120=_conclusion
   Exit: (203) [system] _conclusion=_conclusion
^  Exit: (202) [user] classify_and_convert_charseq([$, c, o, n, c, l, u, s, i, o, n], _conclusion)
^  Exit: (201) [user] read_symbolic(')', (0x563acd73bee0), $, _conclusion)
^  Exit: (200) [user] cont_sexpr(')', (0x563acd73bee0), _conclusion)
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _1308244)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1310102)
   Exit: (202) [system] peek_char((0x563acd73bee0), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
   Call: (202) [system] ')'=(/)
   Fail: (202) [system] ')'=(/)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1326112)
   Exit: (201) [system] peek_char((0x563acd73bee0), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x563acd73bee0), _1329902)
   Exit: (201) [system] get_char((0x563acd73bee0), ')')
   Call: (201) [system] _1308244=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), [])
   Call: (200) [system] _1046460=[_conclusion]
   Exit: (200) [system] [_conclusion]=[_conclusion]
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), [_conclusion])
   Call: (199) [system] _820008=[_premise2, _conclusion]
   Exit: (199) [system] [_premise2, _conclusion]=[_premise2, _conclusion]
^  Exit: (198) [user] read_list(')', (0x563acd73bee0), [_premise2, _conclusion])
   Call: (198) [system] _593556=[_premise1, _premise2, _conclusion]
   Exit: (198) [system] [_premise1, _premise2, _conclusion]=[_premise1, _premise2, _conclusion]
^  Exit: (197) [user] read_list(')', (0x563acd73bee0), [_premise1, _premise2, _conclusion])
   Call: (197) [system] _473000=[->, _premise1, _premise2, _conclusion]
   Exit: (197) [system] [->, _premise1, _premise2, _conclusion]=[->, _premise1, _premise2, _conclusion]
^  Exit: (196) [user] read_list(')', (0x563acd73bee0), [->, _premise1, _premise2, _conclusion])
^  Exit: (195) [user] cont_sexpr(')', (0x563acd73bee0), [->, _premise1, _premise2, _conclusion])
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _1346578)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1348436)
   Exit: (197) [system] peek_char((0x563acd73bee0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1364446)
   Exit: (196) [system] peek_char((0x563acd73bee0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x563acd73bee0), _1368236)
   Exit: (196) [system] get_char((0x563acd73bee0), ')')
   Call: (196) [system] _1346578=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), [])
   Call: (195) [system] _436340=[[->, _premise1, _premise2, _conclusion]]
   Exit: (195) [system] [[->, _premise1, _premise2, _conclusion]]=[[->, _premise1, _premise2, _conclusion]]
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), [[->, _premise1, _premise2, _conclusion]])
   Call: (194) [system] _243348=[_ructor, [->, _premise1, _premise2, _conclusion]]
   Exit: (194) [system] [_ructor, [->, _premise1, _premise2, _conclusion]]=[_ructor, [->, _premise1, _premise2, _conclusion]]
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), [_ructor, [->, _premise1, _premise2, _conclusion]])
   Call: (193) [system] _139522=[:, _ructor, [->, _premise1, _premise2, _conclusion]]
   Exit: (193) [system] [:, _ructor, [->, _premise1, _premise2, _conclusion]]=[:, _ructor, [->, _premise1, _premise2, _conclusion]]
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), [:, _ructor, [->, _premise1, _premise2, _conclusion]])
^  Exit: (191) [user] cont_sexpr(')', (0x563acd73bee0), [:, _ructor, [->, _premise1, _premise2, _conclusion]])
^  Call: (191) [user] read_list(')', (0x563acd73bee0), _1382118)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1383976)
   Exit: (193) [system] peek_char((0x563acd73bee0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x563acd73bee0), _1393570)
   Exit: (193) [system] get_char((0x563acd73bee0), ' ')
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1396274)
   Exit: (194) [system] peek_char((0x563acd73bee0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1413208)
   Exit: (192) [system] peek_char((0x563acd73bee0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x563acd73bee0), _1418778)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1420636)
   Exit: (194) [system] peek_char((0x563acd73bee0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] get_char((0x563acd73bee0), _1436646)
   Exit: (193) [system] get_char((0x563acd73bee0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _1418778)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1442216)
   Exit: (195) [system] peek_char((0x563acd73bee0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1458226)
   Exit: (194) [system] peek_char((0x563acd73bee0), $)
   Call: (194) [system] ($)=')'
   Fail: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x563acd73bee0), _1463796)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1465654)
   Exit: (196) [system] peek_char((0x563acd73bee0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] get_char((0x563acd73bee0), _1481664)
   Exit: (195) [system] get_char((0x563acd73bee0), $)
   Call: (195) [system] ($)='('
   Fail: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Fail: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Fail: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Fail: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Fail: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Fail: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Fail: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x563acd73bee0), $, _1463796)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _1499306)
   Call: (197) [system] peek_char((0x563acd73bee0), _1500240)
   Exit: (197) [system] peek_char((0x563acd73bee0), r)
^  Call: (197) [user] is_delimiter(r)
   Call: (198) [system] char_type(r, space)
   Fail: (198) [system] char_type(r, space)
   Call: (198) [system] arg(_1504960, v('(', ')', end_of_file), r)
   Fail: (198) [system] arg(_1505892, v('(', ')', end_of_file), r)
^  Fail: (197) [user] is_delimiter(r)
   Call: (197) [system] ')'==r
   Fail: (197) [system] ')'==r
   Call: (197) [system] get_char((0x563acd73bee0), r)
   Exit: (197) [system] get_char((0x563acd73bee0), r)
   Call: (197) [system] r=(\)
   Fail: (197) [system] r=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _1513242)
   Call: (198) [system] peek_char((0x563acd73bee0), _1514176)
   Exit: (198) [system] peek_char((0x563acd73bee0), b)
^  Call: (198) [user] is_delimiter(b)
   Call: (199) [system] char_type(b, space)
   Fail: (199) [system] char_type(b, space)
   Call: (199) [system] arg(_1518896, v('(', ')', end_of_file), b)
   Fail: (199) [system] arg(_1519828, v('(', ')', end_of_file), b)
^  Fail: (198) [user] is_delimiter(b)
   Call: (198) [system] ')'==b
   Fail: (198) [system] ')'==b
   Call: (198) [system] get_char((0x563acd73bee0), b)
   Exit: (198) [system] get_char((0x563acd73bee0), b)
   Call: (198) [system] b=(\)
   Fail: (198) [system] b=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _1527178)
   Call: (199) [system] peek_char((0x563acd73bee0), _1528112)
   Exit: (199) [system] peek_char((0x563acd73bee0), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_1532832, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _1527178=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (198) [system] _1513242=[b]
   Exit: (198) [system] [b]=[b]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
   Call: (197) [system] _1499306=[r, b]
   Exit: (197) [system] [r, b]=[r, b]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, b])
^  Call: (196) [user] classify_and_convert_charseq([$, r, b], _1463796)
^  Call: (197) [user] classify_and_convert_charseq_([$, r, b], _1544856)
   Call: (198) [system] atom_chars(_1545788, ['_', r, b])
   Exit: (198) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (197) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (197) [system] integer(_rb)
   Fail: (197) [system] integer(_rb)
   Call: (197) [system] _1463796=_rb
   Exit: (197) [system] _rb=_rb
^  Exit: (196) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (195) [user] read_symbolic(')', (0x563acd73bee0), $, _rb)
^  Exit: (194) [user] cont_sexpr(')', (0x563acd73bee0), _rb)
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _1555080)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1556938)
   Exit: (196) [system] peek_char((0x563acd73bee0), ')')
   Call: (196) [system] ')'=(;)
   Fail: (196) [system] ')'=(;)
   Call: (196) [system] ')'=(/)
   Fail: (196) [system] ')'=(/)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Fail: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Fail: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
   Fail: (197) [system] char_type(')', cntrl)
^  Fail: (196) [user] is_like_space(')')
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1572948)
   Exit: (195) [system] peek_char((0x563acd73bee0), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x563acd73bee0), _1576738)
   Exit: (195) [system] get_char((0x563acd73bee0), ')')
   Call: (195) [system] _1555080=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), [])
   Call: (194) [system] _1418778=[_rb]
   Exit: (194) [system] [_rb]=[_rb]
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), [_rb])
^  Exit: (192) [user] cont_sexpr(')', (0x563acd73bee0), [_rb])
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _1585032)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1586890)
   Exit: (194) [system] peek_char((0x563acd73bee0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
   Call: (194) [system] ')'=(/)
   Fail: (194) [system] ')'=(/)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1602900)
   Exit: (193) [system] peek_char((0x563acd73bee0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x563acd73bee0), _1606690)
   Exit: (193) [system] get_char((0x563acd73bee0), ')')
   Call: (193) [system] _1585032=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), [])
   Call: (192) [system] _1382118=[[_rb]]
   Exit: (192) [system] [[_rb]]=[[_rb]]
^  Exit: (191) [user] read_list(')', (0x563acd73bee0), [[_rb]])
   Call: (191) [system] _94504=[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]]
   Exit: (191) [system] [[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]]=[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]]
^  Exit: (190) [user] read_list(')', (0x563acd73bee0), [[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]])
^  Exit: (189) [user] cont_sexpr(')', (0x563acd73bee0), [[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]])
^  Call: (189) [user] read_list(')', (0x563acd73bee0), _1617778)
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _1619636)
   Exit: (191) [system] peek_char((0x563acd73bee0), '\n')
   Call: (191) [system] '\n'=(;)
   Fail: (191) [system] '\n'=(;)
   Call: (191) [system] '\n'=(/)
   Fail: (191) [system] '\n'=(/)
^  Call: (191) [user] is_like_space('\n')
   Call: (192) [system] char_type('\n', 'white')
   Fail: (192) [system] char_type('\n', 'white')
   Call: (192) [system] char_type('\n', end_of_line)
   Exit: (192) [system] char_type('\n', end_of_line)
^  Exit: (191) [user] is_like_space('\n')
   Call: (191) [system] get_char((0x563acd73bee0), _1631086)
   Exit: (191) [system] get_char((0x563acd73bee0), '\n')
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1633790)
   Exit: (192) [system] peek_char((0x563acd73bee0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x563acd73bee0), _1643384)
   Exit: (192) [system] get_char((0x563acd73bee0), ' ')
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1646088)
   Exit: (193) [system] peek_char((0x563acd73bee0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x563acd73bee0), _1655682)
   Exit: (193) [system] get_char((0x563acd73bee0), ' ')
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1658386)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x563acd73bee0), _1667980)
   Exit: (194) [system] get_char((0x563acd73bee0), ' ')
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1670684)
   Exit: (195) [system] peek_char((0x563acd73bee0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x563acd73bee0), _1680278)
   Exit: (195) [system] get_char((0x563acd73bee0), ' ')
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1682982)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x563acd73bee0), _1692576)
   Exit: (196) [system] get_char((0x563acd73bee0), ' ')
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1695280)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x563acd73bee0), _1704874)
   Exit: (197) [system] get_char((0x563acd73bee0), ' ')
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1707578)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x563acd73bee0), _1717172)
   Exit: (198) [system] get_char((0x563acd73bee0), ' ')
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1719876)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x563acd73bee0), _1729470)
   Exit: (199) [system] get_char((0x563acd73bee0), ' ')
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1732174)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x563acd73bee0), _1741768)
   Exit: (200) [system] get_char((0x563acd73bee0), ' ')
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1744472)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _1754066)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1756770)
   Exit: (202) [system] peek_char((0x563acd73bee0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1782944)
   Exit: (190) [system] peek_char((0x563acd73bee0), '(')
   Call: (190) [system] '('=')'
   Fail: (190) [system] '('=')'
   Call: (190) [system] '('=end_of_file
   Fail: (190) [system] '('=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x563acd73bee0), _1788514)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1790372)
   Exit: (192) [system] peek_char((0x563acd73bee0), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
   Call: (192) [system] '('=(/)
   Fail: (192) [system] '('=(/)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] get_char((0x563acd73bee0), _1806382)
   Exit: (191) [system] get_char((0x563acd73bee0), '(')
   Call: (191) [system] '('='('
   Exit: (191) [system] '('='('
^  Call: (191) [user] read_list(')', (0x563acd73bee0), _1788514)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1811952)
   Exit: (193) [system] peek_char((0x563acd73bee0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1827962)
   Exit: (192) [system] peek_char((0x563acd73bee0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x563acd73bee0), _1833532)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1835390)
   Exit: (194) [system] peek_char((0x563acd73bee0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] get_char((0x563acd73bee0), _1851400)
   Exit: (193) [system] get_char((0x563acd73bee0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _1833532)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1856970)
   Exit: (195) [system] peek_char((0x563acd73bee0), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
   Call: (195) [system] (:)=(/)
   Fail: (195) [system] (:)=(/)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1872980)
   Exit: (194) [system] peek_char((0x563acd73bee0), :)
   Call: (194) [system] (:)=')'
   Fail: (194) [system] (:)=')'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x563acd73bee0), _1878550)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1880408)
   Exit: (196) [system] peek_char((0x563acd73bee0), :)
   Call: (196) [system] (:)=(;)
   Fail: (196) [system] (:)=(;)
   Call: (196) [system] (:)=(/)
   Fail: (196) [system] (:)=(/)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Fail: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Fail: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Fail: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
   Fail: (197) [system] char_type(:, cntrl)
^  Fail: (196) [user] is_like_space(:)
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] get_char((0x563acd73bee0), _1896418)
   Exit: (195) [system] get_char((0x563acd73bee0), :)
   Call: (195) [system] (:)='('
   Fail: (195) [system] (:)='('
   Call: (195) [system] (:)='['
   Fail: (195) [system] (:)='['
   Call: (195) [system] (:)='{'
   Fail: (195) [system] (:)='{'
   Call: (195) [system] (:)='"'
   Fail: (195) [system] (:)='"'
   Call: (195) [system] (:)=!
   Fail: (195) [system] (:)=!
   Call: (195) [system] (:)='\''
   Fail: (195) [system] (:)='\''
   Call: (195) [system] (:)='`'
   Fail: (195) [system] (:)='`'
   Call: (195) [system] (:)=end_of_file
   Fail: (195) [system] (:)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x563acd73bee0), :, _1878550)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _1914060)
   Call: (197) [system] peek_char((0x563acd73bee0), _1914994)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _1914060=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (196) [user] classify_and_convert_charseq([:], _1878550)
^  Call: (197) [user] classify_and_convert_charseq_([:], _1924278)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_1925230, _1925232), once(user:catch(read_from_chars([:], _1924278), _1925212, fail)), '$restore_trace'(_1925230, _1925232))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_1925230, _1925232))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1925212, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(:)
   Exit: (198) [system] atomic(:)
^  Exit: (197) [user] classify_and_convert_charseq_([:], :)
   Call: (197) [system] integer(:)
   Fail: (197) [system] integer(:)
   Call: (197) [system] _1878550=(:)
   Exit: (197) [system] (:)=(:)
^  Exit: (196) [user] classify_and_convert_charseq([:], :)
^  Exit: (195) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (194) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _1937358)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1939216)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x563acd73bee0), _1948810)
   Exit: (196) [system] get_char((0x563acd73bee0), ' ')
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1951514)
   Exit: (197) [system] peek_char((0x563acd73bee0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1968448)
   Exit: (195) [system] peek_char((0x563acd73bee0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x563acd73bee0), _1974018)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1975876)
   Exit: (197) [system] peek_char((0x563acd73bee0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] get_char((0x563acd73bee0), _1991886)
   Exit: (196) [system] get_char((0x563acd73bee0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x563acd73bee0), _1974018)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1997456)
   Exit: (198) [system] peek_char((0x563acd73bee0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _2013466)
   Exit: (197) [system] peek_char((0x563acd73bee0), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x563acd73bee0), _2019036)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _2020894)
   Exit: (199) [system] peek_char((0x563acd73bee0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] get_char((0x563acd73bee0), _2036904)
   Exit: (198) [system] get_char((0x563acd73bee0), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x563acd73bee0), $, _2019036)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _2054546)
   Call: (200) [system] peek_char((0x563acd73bee0), _2055480)
   Exit: (200) [system] peek_char((0x563acd73bee0), r)
^  Call: (200) [user] is_delimiter(r)
   Call: (201) [system] char_type(r, space)
   Fail: (201) [system] char_type(r, space)
   Call: (201) [system] arg(_2060200, v('(', ')', end_of_file), r)
   Fail: (201) [system] arg(_2061132, v('(', ')', end_of_file), r)
^  Fail: (200) [user] is_delimiter(r)
   Call: (200) [system] ')'==r
   Fail: (200) [system] ')'==r
   Call: (200) [system] get_char((0x563acd73bee0), r)
   Exit: (200) [system] get_char((0x563acd73bee0), r)
   Call: (200) [system] r=(\)
   Fail: (200) [system] r=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _2068482)
   Call: (201) [system] peek_char((0x563acd73bee0), _2069416)
   Exit: (201) [system] peek_char((0x563acd73bee0), u)
^  Call: (201) [user] is_delimiter(u)
   Call: (202) [system] char_type(u, space)
   Fail: (202) [system] char_type(u, space)
   Call: (202) [system] arg(_2074136, v('(', ')', end_of_file), u)
   Fail: (202) [system] arg(_2075068, v('(', ')', end_of_file), u)
^  Fail: (201) [user] is_delimiter(u)
   Call: (201) [system] ')'==u
   Fail: (201) [system] ')'==u
   Call: (201) [system] get_char((0x563acd73bee0), u)
   Exit: (201) [system] get_char((0x563acd73bee0), u)
   Call: (201) [system] u=(\)
   Fail: (201) [system] u=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _2082418)
   Call: (202) [system] peek_char((0x563acd73bee0), _2083352)
   Exit: (202) [system] peek_char((0x563acd73bee0), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Fail: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_2088072, v('(', ')', end_of_file), c)
   Fail: (203) [system] arg(_2089004, v('(', ')', end_of_file), c)
^  Fail: (202) [user] is_delimiter(c)
   Call: (202) [system] ')'==c
   Fail: (202) [system] ')'==c
   Call: (202) [system] get_char((0x563acd73bee0), c)
   Exit: (202) [system] get_char((0x563acd73bee0), c)
   Call: (202) [system] c=(\)
   Fail: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _3570)
   Call: (203) [system] peek_char((0x563acd73bee0), _4100)
   Exit: (203) [system] peek_char((0x563acd73bee0), t)
^  Call: (203) [user] is_delimiter(t)
   Call: (204) [system] char_type(t, space)
   Fail: (204) [system] char_type(t, space)
   Call: (204) [system] arg(_8820, v('(', ')', end_of_file), t)
   Fail: (204) [system] arg(_9752, v('(', ')', end_of_file), t)
^  Fail: (203) [user] is_delimiter(t)
   Call: (203) [system] ')'==t
   Fail: (203) [system] ')'==t
   Call: (203) [system] get_char((0x563acd73bee0), t)
   Exit: (203) [system] get_char((0x563acd73bee0), t)
   Call: (203) [system] t=(\)
   Fail: (203) [system] t=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _17102)
   Call: (204) [system] peek_char((0x563acd73bee0), _18036)
   Exit: (204) [system] peek_char((0x563acd73bee0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_22756, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_23688, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x563acd73bee0), o)
   Exit: (204) [system] get_char((0x563acd73bee0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _31038)
   Call: (205) [system] peek_char((0x563acd73bee0), _31972)
   Exit: (205) [system] peek_char((0x563acd73bee0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_36692, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_37624, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x563acd73bee0), r)
   Exit: (205) [system] get_char((0x563acd73bee0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _44974)
   Call: (206) [system] peek_char((0x563acd73bee0), _45908)
   Exit: (206) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _44974=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (205) [system] _31038=[r]
   Exit: (205) [system] [r]=[r]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [r])
   Call: (204) [system] _17102=[o, r]
   Exit: (204) [system] [o, r]=[o, r]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, r])
   Call: (203) [system] _3570=[t, o, r]
   Exit: (203) [system] [t, o, r]=[t, o, r]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, o, r])
   Call: (202) [system] _3564=[c, t, o, r]
   Exit: (202) [system] [c, t, o, r]=[c, t, o, r]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, o, r])
   Call: (201) [system] _3560=[u, c, t, o, r]
   Exit: (201) [system] [u, c, t, o, r]=[u, c, t, o, r]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, o, r])
   Call: (200) [system] _3556=[r, u, c, t, o, r]
   Exit: (200) [system] [r, u, c, t, o, r]=[r, u, c, t, o, r]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, u, c, t, o, r])
^  Call: (199) [user] classify_and_convert_charseq([$, r, u, c, t, o, r], _3552)
^  Call: (200) [user] classify_and_convert_charseq_([$, r, u, c, t, o, r], _71956)
   Call: (201) [system] atom_chars(_72888, ['_', r, u, c, t, o, r])
   Exit: (201) [system] atom_chars('_ructor', ['_', r, u, c, t, o, r])
^  Exit: (200) [user] classify_and_convert_charseq_([$, r, u, c, t, o, r], _ructor)
   Call: (200) [system] integer(_ructor)
   Fail: (200) [system] integer(_ructor)
   Call: (200) [system] _3552=_ructor
   Exit: (200) [system] _ructor=_ructor
^  Exit: (199) [user] classify_and_convert_charseq([$, r, u, c, t, o, r], _ructor)
^  Exit: (198) [user] read_symbolic(')', (0x563acd73bee0), $, _ructor)
^  Exit: (197) [user] cont_sexpr(')', (0x563acd73bee0), _ructor)
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _82180)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _84038)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x563acd73bee0), _93632)
   Exit: (199) [system] get_char((0x563acd73bee0), ' ')
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _96336)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _113270)
   Exit: (198) [system] peek_char((0x563acd73bee0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x563acd73bee0), _118840)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _120698)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] get_char((0x563acd73bee0), _136708)
   Exit: (199) [system] get_char((0x563acd73bee0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x563acd73bee0), $, _118840)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _154350)
   Call: (201) [system] peek_char((0x563acd73bee0), _155284)
   Exit: (201) [system] peek_char((0x563acd73bee0), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_160004, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_160936, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x563acd73bee0), p)
   Exit: (201) [system] get_char((0x563acd73bee0), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _168286)
   Call: (202) [system] peek_char((0x563acd73bee0), _169220)
   Exit: (202) [system] peek_char((0x563acd73bee0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_173940, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_174872, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x563acd73bee0), r)
   Exit: (202) [system] get_char((0x563acd73bee0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _182222)
   Call: (203) [system] peek_char((0x563acd73bee0), _183156)
   Exit: (203) [system] peek_char((0x563acd73bee0), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Fail: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_187876, v('(', ')', end_of_file), o)
   Fail: (204) [system] arg(_188808, v('(', ')', end_of_file), o)
^  Fail: (203) [user] is_delimiter(o)
   Call: (203) [system] ')'==o
   Fail: (203) [system] ')'==o
   Call: (203) [system] get_char((0x563acd73bee0), o)
   Exit: (203) [system] get_char((0x563acd73bee0), o)
   Call: (203) [system] o=(\)
   Fail: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _196158)
   Call: (204) [system] peek_char((0x563acd73bee0), _197092)
   Exit: (204) [system] peek_char((0x563acd73bee0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_201812, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_202744, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x563acd73bee0), o)
   Exit: (204) [system] get_char((0x563acd73bee0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _210094)
   Call: (205) [system] peek_char((0x563acd73bee0), _211028)
   Exit: (205) [system] peek_char((0x563acd73bee0), f)
^  Call: (205) [user] is_delimiter(f)
   Call: (206) [system] char_type(f, space)
   Fail: (206) [system] char_type(f, space)
   Call: (206) [system] arg(_215748, v('(', ')', end_of_file), f)
   Fail: (206) [system] arg(_216680, v('(', ')', end_of_file), f)
^  Fail: (205) [user] is_delimiter(f)
   Call: (205) [system] ')'==f
   Fail: (205) [system] ')'==f
   Call: (205) [system] get_char((0x563acd73bee0), f)
   Exit: (205) [system] get_char((0x563acd73bee0), f)
   Call: (205) [system] f=(\)
   Fail: (205) [system] f=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _224030)
   Call: (206) [system] peek_char((0x563acd73bee0), _224964)
   Exit: (206) [system] peek_char((0x563acd73bee0), '1')
^  Call: (206) [user] is_delimiter('1')
   Call: (207) [system] char_type('1', space)
   Fail: (207) [system] char_type('1', space)
   Call: (207) [system] arg(_229684, v('(', ')', end_of_file), '1')
   Fail: (207) [system] arg(_230616, v('(', ')', end_of_file), '1')
^  Fail: (206) [user] is_delimiter('1')
   Call: (206) [system] ')'=='1'
   Fail: (206) [system] ')'=='1'
   Call: (206) [system] get_char((0x563acd73bee0), '1')
   Exit: (206) [system] get_char((0x563acd73bee0), '1')
   Call: (206) [system] '1'=(\)
   Fail: (206) [system] '1'=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _237966)
   Call: (207) [system] peek_char((0x563acd73bee0), _238900)
   Exit: (207) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _237966=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (206) [system] _224030=['1']
   Exit: (206) [system] ['1']=['1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), ['1'])
   Call: (205) [system] _210094=[f, '1']
   Exit: (205) [system] [f, '1']=[f, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [f, '1'])
   Call: (204) [system] _196158=[o, f, '1']
   Exit: (204) [system] [o, f, '1']=[o, f, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, f, '1'])
   Call: (203) [system] _182222=[o, o, f, '1']
   Exit: (203) [system] [o, o, f, '1']=[o, o, f, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, o, f, '1'])
   Call: (202) [system] _168286=[r, o, o, f, '1']
   Exit: (202) [system] [r, o, o, f, '1']=[r, o, o, f, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, o, f, '1'])
   Call: (201) [system] _154350=[p, r, o, o, f, '1']
   Exit: (201) [system] [p, r, o, o, f, '1']=[p, r, o, o, f, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, o, o, f, '1'])
^  Call: (200) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _118840)
^  Call: (201) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _264948)
   Call: (202) [system] atom_chars(_265880, ['_', p, r, o, o, f, '1'])
   Exit: (202) [system] atom_chars('_proof1', ['_', p, r, o, o, f, '1'])
^  Exit: (201) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _proof1)
   Call: (201) [system] integer(_proof1)
   Fail: (201) [system] integer(_proof1)
   Call: (201) [system] _118840=_proof1
   Exit: (201) [system] _proof1=_proof1
^  Exit: (200) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _proof1)
^  Exit: (199) [user] read_symbolic(')', (0x563acd73bee0), $, _proof1)
^  Exit: (198) [user] cont_sexpr(')', (0x563acd73bee0), _proof1)
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _275172)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _277030)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x563acd73bee0), _286624)
   Exit: (200) [system] get_char((0x563acd73bee0), ' ')
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _289328)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _306262)
   Exit: (199) [system] peek_char((0x563acd73bee0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x563acd73bee0), _311832)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _313690)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] get_char((0x563acd73bee0), _329700)
   Exit: (200) [system] get_char((0x563acd73bee0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x563acd73bee0), $, _311832)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _347342)
   Call: (202) [system] peek_char((0x563acd73bee0), _348276)
   Exit: (202) [system] peek_char((0x563acd73bee0), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Fail: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_352996, v('(', ')', end_of_file), p)
   Fail: (203) [system] arg(_353928, v('(', ')', end_of_file), p)
^  Fail: (202) [user] is_delimiter(p)
   Call: (202) [system] ')'==p
   Fail: (202) [system] ')'==p
   Call: (202) [system] get_char((0x563acd73bee0), p)
   Exit: (202) [system] get_char((0x563acd73bee0), p)
   Call: (202) [system] p=(\)
   Fail: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _361278)
   Call: (203) [system] peek_char((0x563acd73bee0), _362212)
   Exit: (203) [system] peek_char((0x563acd73bee0), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_366932, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_367864, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x563acd73bee0), r)
   Exit: (203) [system] get_char((0x563acd73bee0), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _375214)
   Call: (204) [system] peek_char((0x563acd73bee0), _376148)
   Exit: (204) [system] peek_char((0x563acd73bee0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_380868, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_381800, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x563acd73bee0), o)
   Exit: (204) [system] get_char((0x563acd73bee0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _389150)
   Call: (205) [system] peek_char((0x563acd73bee0), _390084)
   Exit: (205) [system] peek_char((0x563acd73bee0), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_394804, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_395736, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x563acd73bee0), o)
   Exit: (205) [system] get_char((0x563acd73bee0), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _403086)
   Call: (206) [system] peek_char((0x563acd73bee0), _404020)
   Exit: (206) [system] peek_char((0x563acd73bee0), f)
^  Call: (206) [user] is_delimiter(f)
   Call: (207) [system] char_type(f, space)
   Fail: (207) [system] char_type(f, space)
   Call: (207) [system] arg(_408740, v('(', ')', end_of_file), f)
   Fail: (207) [system] arg(_409672, v('(', ')', end_of_file), f)
^  Fail: (206) [user] is_delimiter(f)
   Call: (206) [system] ')'==f
   Fail: (206) [system] ')'==f
   Call: (206) [system] get_char((0x563acd73bee0), f)
   Exit: (206) [system] get_char((0x563acd73bee0), f)
   Call: (206) [system] f=(\)
   Fail: (206) [system] f=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _417022)
   Call: (207) [system] peek_char((0x563acd73bee0), _417956)
   Exit: (207) [system] peek_char((0x563acd73bee0), '2')
^  Call: (207) [user] is_delimiter('2')
   Call: (208) [system] char_type('2', space)
   Fail: (208) [system] char_type('2', space)
   Call: (208) [system] arg(_422676, v('(', ')', end_of_file), '2')
   Fail: (208) [system] arg(_423608, v('(', ')', end_of_file), '2')
^  Fail: (207) [user] is_delimiter('2')
   Call: (207) [system] ')'=='2'
   Fail: (207) [system] ')'=='2'
   Call: (207) [system] get_char((0x563acd73bee0), '2')
   Exit: (207) [system] get_char((0x563acd73bee0), '2')
   Call: (207) [system] '2'=(\)
   Fail: (207) [system] '2'=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _430958)
   Call: (208) [system] peek_char((0x563acd73bee0), _431892)
   Exit: (208) [system] peek_char((0x563acd73bee0), ')')
^  Call: (208) [user] is_delimiter(')')
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] arg(_436612, v('(', ')', end_of_file), ')')
   Exit: (209) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (208) [user] is_delimiter(')')
   Call: (208) [system] _430958=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (207) [system] _417022=['2']
   Exit: (207) [system] ['2']=['2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), ['2'])
   Call: (206) [system] _403086=[f, '2']
   Exit: (206) [system] [f, '2']=[f, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [f, '2'])
   Call: (205) [system] _389150=[o, f, '2']
   Exit: (205) [system] [o, f, '2']=[o, f, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, f, '2'])
   Call: (204) [system] _375214=[o, o, f, '2']
   Exit: (204) [system] [o, o, f, '2']=[o, o, f, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, o, f, '2'])
   Call: (203) [system] _361278=[r, o, o, f, '2']
   Exit: (203) [system] [r, o, o, f, '2']=[r, o, o, f, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, o, f, '2'])
   Call: (202) [system] _347342=[p, r, o, o, f, '2']
   Exit: (202) [system] [p, r, o, o, f, '2']=[p, r, o, o, f, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, o, o, f, '2'])
^  Call: (201) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _311832)
^  Call: (202) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _459812)
   Call: (203) [system] atom_chars(_460744, ['_', p, r, o, o, f, '2'])
   Exit: (203) [system] atom_chars('_proof2', ['_', p, r, o, o, f, '2'])
^  Exit: (202) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _proof2)
   Call: (202) [system] integer(_proof2)
   Fail: (202) [system] integer(_proof2)
   Call: (202) [system] _311832=_proof2
   Exit: (202) [system] _proof2=_proof2
^  Exit: (201) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _proof2)
^  Exit: (200) [user] read_symbolic(')', (0x563acd73bee0), $, _proof2)
^  Exit: (199) [user] cont_sexpr(')', (0x563acd73bee0), _proof2)
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _470036)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _471894)
   Exit: (201) [system] peek_char((0x563acd73bee0), ')')
   Call: (201) [system] ')'=(;)
   Fail: (201) [system] ')'=(;)
   Call: (201) [system] ')'=(/)
   Fail: (201) [system] ')'=(/)
^  Call: (201) [user] is_like_space(')')
   Call: (202) [system] char_type(')', 'white')
   Fail: (202) [system] char_type(')', 'white')
   Call: (202) [system] char_type(')', end_of_line)
   Fail: (202) [system] char_type(')', end_of_line)
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] char_type(')', cntrl)
   Fail: (202) [system] char_type(')', cntrl)
^  Fail: (201) [user] is_like_space(')')
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _487904)
   Exit: (200) [system] peek_char((0x563acd73bee0), ')')
   Call: (200) [system] ')'=')'
   Exit: (200) [system] ')'=')'
   Call: (200) [system] get_char((0x563acd73bee0), _491694)
   Exit: (200) [system] get_char((0x563acd73bee0), ')')
   Call: (200) [system] _470036=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), [])
   Call: (199) [system] _275172=[_proof2]
   Exit: (199) [system] [_proof2]=[_proof2]
^  Exit: (198) [user] read_list(')', (0x563acd73bee0), [_proof2])
   Call: (198) [system] _82180=[_proof1, _proof2]
   Exit: (198) [system] [_proof1, _proof2]=[_proof1, _proof2]
^  Exit: (197) [user] read_list(')', (0x563acd73bee0), [_proof1, _proof2])
   Call: (197) [system] _3546=[_ructor, _proof1, _proof2]
   Exit: (197) [system] [_ructor, _proof1, _proof2]=[_ructor, _proof1, _proof2]
^  Exit: (196) [user] read_list(')', (0x563acd73bee0), [_ructor, _proof1, _proof2])
^  Exit: (195) [user] cont_sexpr(')', (0x563acd73bee0), [_ructor, _proof1, _proof2])
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _505576)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _507434)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x563acd73bee0), _517028)
   Exit: (197) [system] get_char((0x563acd73bee0), ' ')
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _519732)
   Exit: (198) [system] peek_char((0x563acd73bee0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _536666)
   Exit: (196) [system] peek_char((0x563acd73bee0), $)
   Call: (196) [system] ($)=')'
   Fail: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x563acd73bee0), _542236)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _544094)
   Exit: (198) [system] peek_char((0x563acd73bee0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] get_char((0x563acd73bee0), _560104)
   Exit: (197) [system] get_char((0x563acd73bee0), $)
   Call: (197) [system] ($)='('
   Fail: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Fail: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Fail: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Fail: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Fail: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Fail: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Fail: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x563acd73bee0), $, _542236)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _577746)
   Call: (199) [system] peek_char((0x563acd73bee0), _578680)
   Exit: (199) [system] peek_char((0x563acd73bee0), c)
^  Call: (199) [user] is_delimiter(c)
   Call: (200) [system] char_type(c, space)
   Fail: (200) [system] char_type(c, space)
   Call: (200) [system] arg(_583400, v('(', ')', end_of_file), c)
   Fail: (200) [system] arg(_584332, v('(', ')', end_of_file), c)
^  Fail: (199) [user] is_delimiter(c)
   Call: (199) [system] ')'==c
   Fail: (199) [system] ')'==c
   Call: (199) [system] get_char((0x563acd73bee0), c)
   Exit: (199) [system] get_char((0x563acd73bee0), c)
   Call: (199) [system] c=(\)
   Fail: (199) [system] c=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _591682)
   Call: (200) [system] peek_char((0x563acd73bee0), _592616)
   Exit: (200) [system] peek_char((0x563acd73bee0), o)
^  Call: (200) [user] is_delimiter(o)
   Call: (201) [system] char_type(o, space)
   Fail: (201) [system] char_type(o, space)
   Call: (201) [system] arg(_597336, v('(', ')', end_of_file), o)
   Fail: (201) [system] arg(_598268, v('(', ')', end_of_file), o)
^  Fail: (200) [user] is_delimiter(o)
   Call: (200) [system] ')'==o
   Fail: (200) [system] ')'==o
   Call: (200) [system] get_char((0x563acd73bee0), o)
   Exit: (200) [system] get_char((0x563acd73bee0), o)
   Call: (200) [system] o=(\)
   Fail: (200) [system] o=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _605618)
   Call: (201) [system] peek_char((0x563acd73bee0), _606552)
   Exit: (201) [system] peek_char((0x563acd73bee0), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_611272, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_612204, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x563acd73bee0), n)
   Exit: (201) [system] get_char((0x563acd73bee0), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _619554)
   Call: (202) [system] peek_char((0x563acd73bee0), _620488)
   Exit: (202) [system] peek_char((0x563acd73bee0), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Fail: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_625208, v('(', ')', end_of_file), c)
   Fail: (203) [system] arg(_626140, v('(', ')', end_of_file), c)
^  Fail: (202) [user] is_delimiter(c)
   Call: (202) [system] ')'==c
   Fail: (202) [system] ')'==c
   Call: (202) [system] get_char((0x563acd73bee0), c)
   Exit: (202) [system] get_char((0x563acd73bee0), c)
   Call: (202) [system] c=(\)
   Fail: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _633490)
   Call: (203) [system] peek_char((0x563acd73bee0), _634424)
   Exit: (203) [system] peek_char((0x563acd73bee0), l)
^  Call: (203) [user] is_delimiter(l)
   Call: (204) [system] char_type(l, space)
   Fail: (204) [system] char_type(l, space)
   Call: (204) [system] arg(_639144, v('(', ')', end_of_file), l)
   Fail: (204) [system] arg(_640076, v('(', ')', end_of_file), l)
^  Fail: (203) [user] is_delimiter(l)
   Call: (203) [system] ')'==l
   Fail: (203) [system] ')'==l
   Call: (203) [system] get_char((0x563acd73bee0), l)
   Exit: (203) [system] get_char((0x563acd73bee0), l)
   Call: (203) [system] l=(\)
   Fail: (203) [system] l=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _647426)
   Call: (204) [system] peek_char((0x563acd73bee0), _648360)
   Exit: (204) [system] peek_char((0x563acd73bee0), u)
^  Call: (204) [user] is_delimiter(u)
   Call: (205) [system] char_type(u, space)
   Fail: (205) [system] char_type(u, space)
   Call: (205) [system] arg(_653080, v('(', ')', end_of_file), u)
   Fail: (205) [system] arg(_654012, v('(', ')', end_of_file), u)
^  Fail: (204) [user] is_delimiter(u)
   Call: (204) [system] ')'==u
   Fail: (204) [system] ')'==u
   Call: (204) [system] get_char((0x563acd73bee0), u)
   Exit: (204) [system] get_char((0x563acd73bee0), u)
   Call: (204) [system] u=(\)
   Fail: (204) [system] u=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _661362)
   Call: (205) [system] peek_char((0x563acd73bee0), _662296)
   Exit: (205) [system] peek_char((0x563acd73bee0), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Fail: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_667016, v('(', ')', end_of_file), s)
   Fail: (206) [system] arg(_667948, v('(', ')', end_of_file), s)
^  Fail: (205) [user] is_delimiter(s)
   Call: (205) [system] ')'==s
   Fail: (205) [system] ')'==s
   Call: (205) [system] get_char((0x563acd73bee0), s)
   Exit: (205) [system] get_char((0x563acd73bee0), s)
   Call: (205) [system] s=(\)
   Fail: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _675298)
   Call: (206) [system] peek_char((0x563acd73bee0), _676232)
   Exit: (206) [system] peek_char((0x563acd73bee0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_680952, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_681884, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x563acd73bee0), i)
   Exit: (206) [system] get_char((0x563acd73bee0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _689234)
   Call: (207) [system] peek_char((0x563acd73bee0), _690168)
   Exit: (207) [system] peek_char((0x563acd73bee0), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_694888, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_695820, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x563acd73bee0), o)
   Exit: (207) [system] get_char((0x563acd73bee0), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _703170)
   Call: (208) [system] peek_char((0x563acd73bee0), _704104)
   Exit: (208) [system] peek_char((0x563acd73bee0), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Fail: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_708824, v('(', ')', end_of_file), n)
   Fail: (209) [system] arg(_709756, v('(', ')', end_of_file), n)
^  Fail: (208) [user] is_delimiter(n)
   Call: (208) [system] ')'==n
   Fail: (208) [system] ')'==n
   Call: (208) [system] get_char((0x563acd73bee0), n)
   Exit: (208) [system] get_char((0x563acd73bee0), n)
   Call: (208) [system] n=(\)
   Fail: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _717106)
   Call: (209) [system] peek_char((0x563acd73bee0), _718040)
   Exit: (209) [system] peek_char((0x563acd73bee0), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_722760, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _717106=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (208) [system] _703170=[n]
   Exit: (208) [system] [n]=[n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (207) [system] _689234=[o, n]
   Exit: (207) [system] [o, n]=[o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (206) [system] _675298=[i, o, n]
   Exit: (206) [system] [i, o, n]=[i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (205) [system] _661362=[s, i, o, n]
   Exit: (205) [system] [s, i, o, n]=[s, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, i, o, n])
   Call: (204) [system] _647426=[u, s, i, o, n]
   Exit: (204) [system] [u, s, i, o, n]=[u, s, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, s, i, o, n])
   Call: (203) [system] _633490=[l, u, s, i, o, n]
   Exit: (203) [system] [l, u, s, i, o, n]=[l, u, s, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, u, s, i, o, n])
   Call: (202) [system] _619554=[c, l, u, s, i, o, n]
   Exit: (202) [system] [c, l, u, s, i, o, n]=[c, l, u, s, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, l, u, s, i, o, n])
   Call: (201) [system] _605618=[n, c, l, u, s, i, o, n]
   Exit: (201) [system] [n, c, l, u, s, i, o, n]=[n, c, l, u, s, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, l, u, s, i, o, n])
   Call: (200) [system] _591682=[o, n, c, l, u, s, i, o, n]
   Exit: (200) [system] [o, n, c, l, u, s, i, o, n]=[o, n, c, l, u, s, i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, c, l, u, s, i, o, n])
   Call: (199) [system] _577746=[c, o, n, c, l, u, s, i, o, n]
   Exit: (199) [system] [c, o, n, c, l, u, s, i, o, n]=[c, o, n, c, l, u, s, i, o, n]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, o, n, c, l, u, s, i, o, n])
^  Call: (198) [user] classify_and_convert_charseq([$, c, o, n, c, l, u, s, i, o, n], _542236)
^  Call: (199) [user] classify_and_convert_charseq_([$, c, o, n, c, l, u, s, i, o, n], _757136)
   Call: (200) [system] atom_chars(_758068, ['_', c, o, n, c, l, u, s, i, o, n])
   Exit: (200) [system] atom_chars('_conclusion', ['_', c, o, n, c, l, u, s, i, o, n])
^  Exit: (199) [user] classify_and_convert_charseq_([$, c, o, n, c, l, u, s, i, o, n], _conclusion)
   Call: (199) [system] integer(_conclusion)
   Fail: (199) [system] integer(_conclusion)
   Call: (199) [system] _542236=_conclusion
   Exit: (199) [system] _conclusion=_conclusion
^  Exit: (198) [user] classify_and_convert_charseq([$, c, o, n, c, l, u, s, i, o, n], _conclusion)
^  Exit: (197) [user] read_symbolic(')', (0x563acd73bee0), $, _conclusion)
^  Exit: (196) [user] cont_sexpr(')', (0x563acd73bee0), _conclusion)
^  Call: (196) [user] read_list(')', (0x563acd73bee0), _767360)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _769218)
   Exit: (198) [system] peek_char((0x563acd73bee0), ')')
   Call: (198) [system] ')'=(;)
   Fail: (198) [system] ')'=(;)
   Call: (198) [system] ')'=(/)
   Fail: (198) [system] ')'=(/)
^  Call: (198) [user] is_like_space(')')
   Call: (199) [system] char_type(')', 'white')
   Fail: (199) [system] char_type(')', 'white')
   Call: (199) [system] char_type(')', end_of_line)
   Fail: (199) [system] char_type(')', end_of_line)
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] char_type(')', cntrl)
   Fail: (199) [system] char_type(')', cntrl)
^  Fail: (198) [user] is_like_space(')')
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _785228)
   Exit: (197) [system] peek_char((0x563acd73bee0), ')')
   Call: (197) [system] ')'=')'
   Exit: (197) [system] ')'=')'
   Call: (197) [system] get_char((0x563acd73bee0), _789018)
   Exit: (197) [system] get_char((0x563acd73bee0), ')')
   Call: (197) [system] _767360=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_list(')', (0x563acd73bee0), [])
   Call: (196) [system] _505576=[_conclusion]
   Exit: (196) [system] [_conclusion]=[_conclusion]
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), [_conclusion])
   Call: (195) [system] _3542=[[_ructor, _proof1, _proof2], _conclusion]
   Exit: (195) [system] [[_ructor, _proof1, _proof2], _conclusion]=[[_ructor, _proof1, _proof2], _conclusion]
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), [[_ructor, _proof1, _proof2], _conclusion])
   Call: (194) [system] _3534=[:, [_ructor, _proof1, _proof2], _conclusion]
   Exit: (194) [system] [:, [_ructor, _proof1, _proof2], _conclusion]=[:, [_ructor, _proof1, _proof2], _conclusion]
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), [:, [_ructor, _proof1, _proof2], _conclusion])
^  Exit: (192) [user] cont_sexpr(')', (0x563acd73bee0), [:, [_ructor, _proof1, _proof2], _conclusion])
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _802900)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _804758)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x563acd73bee0), _814352)
   Exit: (194) [system] get_char((0x563acd73bee0), ' ')
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _817056)
   Exit: (195) [system] peek_char((0x563acd73bee0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _833990)
   Exit: (193) [system] peek_char((0x563acd73bee0), $)
   Call: (193) [system] ($)=')'
   Fail: (193) [system] ($)=')'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x563acd73bee0), _839560)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _841418)
   Exit: (195) [system] peek_char((0x563acd73bee0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] get_char((0x563acd73bee0), _857428)
   Exit: (194) [system] get_char((0x563acd73bee0), $)
   Call: (194) [system] ($)='('
   Fail: (194) [system] ($)='('
   Call: (194) [system] ($)='['
   Fail: (194) [system] ($)='['
   Call: (194) [system] ($)='{'
   Fail: (194) [system] ($)='{'
   Call: (194) [system] ($)='"'
   Fail: (194) [system] ($)='"'
   Call: (194) [system] ($)=!
   Fail: (194) [system] ($)=!
   Call: (194) [system] ($)='\''
   Fail: (194) [system] ($)='\''
   Call: (194) [system] ($)='`'
   Fail: (194) [system] ($)='`'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x563acd73bee0), $, _839560)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _875070)
   Call: (196) [system] peek_char((0x563acd73bee0), _876004)
   Exit: (196) [system] peek_char((0x563acd73bee0), q)
^  Call: (196) [user] is_delimiter(q)
   Call: (197) [system] char_type(q, space)
   Fail: (197) [system] char_type(q, space)
   Call: (197) [system] arg(_880724, v('(', ')', end_of_file), q)
   Fail: (197) [system] arg(_881656, v('(', ')', end_of_file), q)
^  Fail: (196) [user] is_delimiter(q)
   Call: (196) [system] ')'==q
   Fail: (196) [system] ')'==q
   Call: (196) [system] get_char((0x563acd73bee0), q)
   Exit: (196) [system] get_char((0x563acd73bee0), q)
   Call: (196) [system] q=(\)
   Fail: (196) [system] q=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _889006)
   Call: (197) [system] peek_char((0x563acd73bee0), _889940)
   Exit: (197) [system] peek_char((0x563acd73bee0), u)
^  Call: (197) [user] is_delimiter(u)
   Call: (198) [system] char_type(u, space)
   Fail: (198) [system] char_type(u, space)
   Call: (198) [system] arg(_894660, v('(', ')', end_of_file), u)
   Fail: (198) [system] arg(_895592, v('(', ')', end_of_file), u)
^  Fail: (197) [user] is_delimiter(u)
   Call: (197) [system] ')'==u
   Fail: (197) [system] ')'==u
   Call: (197) [system] get_char((0x563acd73bee0), u)
   Exit: (197) [system] get_char((0x563acd73bee0), u)
   Call: (197) [system] u=(\)
   Fail: (197) [system] u=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _902942)
   Call: (198) [system] peek_char((0x563acd73bee0), _903876)
   Exit: (198) [system] peek_char((0x563acd73bee0), e)
^  Call: (198) [user] is_delimiter(e)
   Call: (199) [system] char_type(e, space)
   Fail: (199) [system] char_type(e, space)
   Call: (199) [system] arg(_908596, v('(', ')', end_of_file), e)
   Fail: (199) [system] arg(_909528, v('(', ')', end_of_file), e)
^  Fail: (198) [user] is_delimiter(e)
   Call: (198) [system] ')'==e
   Fail: (198) [system] ')'==e
   Call: (198) [system] get_char((0x563acd73bee0), e)
   Exit: (198) [system] get_char((0x563acd73bee0), e)
   Call: (198) [system] e=(\)
   Fail: (198) [system] e=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _916878)
   Call: (199) [system] peek_char((0x563acd73bee0), _917812)
   Exit: (199) [system] peek_char((0x563acd73bee0), r)
^  Call: (199) [user] is_delimiter(r)
   Call: (200) [system] char_type(r, space)
   Fail: (200) [system] char_type(r, space)
   Call: (200) [system] arg(_922532, v('(', ')', end_of_file), r)
   Fail: (200) [system] arg(_923464, v('(', ')', end_of_file), r)
^  Fail: (199) [user] is_delimiter(r)
   Call: (199) [system] ')'==r
   Fail: (199) [system] ')'==r
   Call: (199) [system] get_char((0x563acd73bee0), r)
   Exit: (199) [system] get_char((0x563acd73bee0), r)
   Call: (199) [system] r=(\)
   Fail: (199) [system] r=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _930814)
   Call: (200) [system] peek_char((0x563acd73bee0), _931748)
   Exit: (200) [system] peek_char((0x563acd73bee0), y)
^  Call: (200) [user] is_delimiter(y)
   Call: (201) [system] char_type(y, space)
   Fail: (201) [system] char_type(y, space)
   Call: (201) [system] arg(_936468, v('(', ')', end_of_file), y)
   Fail: (201) [system] arg(_937400, v('(', ')', end_of_file), y)
^  Fail: (200) [user] is_delimiter(y)
   Call: (200) [system] ')'==y
   Fail: (200) [system] ')'==y
   Call: (200) [system] get_char((0x563acd73bee0), y)
   Exit: (200) [system] get_char((0x563acd73bee0), y)
   Call: (200) [system] y=(\)
   Fail: (200) [system] y=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _944750)
   Call: (201) [system] peek_char((0x563acd73bee0), _945684)
   Exit: (201) [system] peek_char((0x563acd73bee0), ')')
^  Call: (201) [user] is_delimiter(')')
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] arg(_950404, v('(', ')', end_of_file), ')')
   Exit: (202) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (201) [user] is_delimiter(')')
   Call: (201) [system] _944750=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (200) [system] _930814=[y]
   Exit: (200) [system] [y]=[y]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [y])
   Call: (199) [system] _916878=[r, y]
   Exit: (199) [system] [r, y]=[r, y]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, y])
   Call: (198) [system] _902942=[e, r, y]
   Exit: (198) [system] [e, r, y]=[e, r, y]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, r, y])
   Call: (197) [system] _889006=[u, e, r, y]
   Exit: (197) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, e, r, y])
   Call: (196) [system] _875070=[q, u, e, r, y]
   Exit: (196) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [q, u, e, r, y])
^  Call: (195) [user] classify_and_convert_charseq([$, q, u, e, r, y], _839560)
^  Call: (196) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _970810)
   Call: (197) [system] atom_chars(_971742, ['_', q, u, e, r, y])
   Exit: (197) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (196) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _query)
   Call: (196) [system] integer(_query)
   Fail: (196) [system] integer(_query)
   Call: (196) [system] _839560=_query
   Exit: (196) [system] _query=_query
^  Exit: (195) [user] classify_and_convert_charseq([$, q, u, e, r, y], _query)
^  Exit: (194) [user] read_symbolic(')', (0x563acd73bee0), $, _query)
^  Exit: (193) [user] cont_sexpr(')', (0x563acd73bee0), _query)
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _981034)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _982892)
   Exit: (195) [system] peek_char((0x563acd73bee0), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
   Call: (195) [system] ')'=(/)
   Fail: (195) [system] ')'=(/)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _998902)
   Exit: (194) [system] peek_char((0x563acd73bee0), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x563acd73bee0), _1002692)
   Exit: (194) [system] get_char((0x563acd73bee0), ')')
   Call: (194) [system] _981034=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), [])
   Call: (193) [system] _802900=[_query]
   Exit: (193) [system] [_query]=[_query]
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), [_query])
   Call: (192) [system] _3528=[[:, [_ructor, _proof1, _proof2], _conclusion], _query]
   Exit: (192) [system] [[:, [_ructor, _proof1, _proof2], _conclusion], _query]=[[:, [_ructor, _proof1, _proof2], _conclusion], _query]
^  Exit: (191) [user] read_list(')', (0x563acd73bee0), [[:, [_ructor, _proof1, _proof2], _conclusion], _query])
^  Exit: (190) [user] cont_sexpr(')', (0x563acd73bee0), [[:, [_ructor, _proof1, _proof2], _conclusion], _query])
^  Call: (190) [user] read_list(')', (0x563acd73bee0), _1013780)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1015638)
   Exit: (192) [system] peek_char((0x563acd73bee0), '\n')
   Call: (192) [system] '\n'=(;)
   Fail: (192) [system] '\n'=(;)
   Call: (192) [system] '\n'=(/)
   Fail: (192) [system] '\n'=(/)
^  Call: (192) [user] is_like_space('\n')
   Call: (193) [system] char_type('\n', 'white')
   Fail: (193) [system] char_type('\n', 'white')
   Call: (193) [system] char_type('\n', end_of_line)
   Exit: (193) [system] char_type('\n', end_of_line)
^  Exit: (192) [user] is_like_space('\n')
   Call: (192) [system] get_char((0x563acd73bee0), _1027088)
   Exit: (192) [system] get_char((0x563acd73bee0), '\n')
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1029792)
   Exit: (193) [system] peek_char((0x563acd73bee0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x563acd73bee0), _1039386)
   Exit: (193) [system] get_char((0x563acd73bee0), ' ')
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1042090)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x563acd73bee0), _1051684)
   Exit: (194) [system] get_char((0x563acd73bee0), ' ')
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1054388)
   Exit: (195) [system] peek_char((0x563acd73bee0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x563acd73bee0), _1063982)
   Exit: (195) [system] get_char((0x563acd73bee0), ' ')
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1066686)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x563acd73bee0), _1076280)
   Exit: (196) [system] get_char((0x563acd73bee0), ' ')
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1078984)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x563acd73bee0), _1088578)
   Exit: (197) [system] get_char((0x563acd73bee0), ' ')
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1091282)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x563acd73bee0), _1100876)
   Exit: (198) [system] get_char((0x563acd73bee0), ' ')
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1103580)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x563acd73bee0), _1113174)
   Exit: (199) [system] get_char((0x563acd73bee0), ' ')
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1115878)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x563acd73bee0), _1125472)
   Exit: (200) [system] get_char((0x563acd73bee0), ' ')
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1128176)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _1137770)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1140474)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x563acd73bee0), _1150068)
   Exit: (202) [system] get_char((0x563acd73bee0), ' ')
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1152772)
   Exit: (203) [system] peek_char((0x563acd73bee0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _1178946)
   Exit: (191) [system] peek_char((0x563acd73bee0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x563acd73bee0), _1184516)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1186374)
   Exit: (193) [system] peek_char((0x563acd73bee0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] get_char((0x563acd73bee0), _1202384)
   Exit: (192) [system] get_char((0x563acd73bee0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _1184516)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1207954)
   Exit: (194) [system] peek_char((0x563acd73bee0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1223964)
   Exit: (193) [system] peek_char((0x563acd73bee0), '(')
   Call: (193) [system] '('=')'
   Fail: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
   Fail: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x563acd73bee0), _1229534)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1231392)
   Exit: (195) [system] peek_char((0x563acd73bee0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] get_char((0x563acd73bee0), _1247402)
   Exit: (194) [system] get_char((0x563acd73bee0), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _1229534)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1252972)
   Exit: (196) [system] peek_char((0x563acd73bee0), :)
   Call: (196) [system] (:)=(;)
   Fail: (196) [system] (:)=(;)
   Call: (196) [system] (:)=(/)
   Fail: (196) [system] (:)=(/)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Fail: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Fail: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Fail: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
   Fail: (197) [system] char_type(:, cntrl)
^  Fail: (196) [user] is_like_space(:)
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1268982)
   Exit: (195) [system] peek_char((0x563acd73bee0), :)
   Call: (195) [system] (:)=')'
   Fail: (195) [system] (:)=')'
   Call: (195) [system] (:)=end_of_file
   Fail: (195) [system] (:)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x563acd73bee0), _1274552)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1276410)
   Exit: (197) [system] peek_char((0x563acd73bee0), :)
   Call: (197) [system] (:)=(;)
   Fail: (197) [system] (:)=(;)
   Call: (197) [system] (:)=(/)
   Fail: (197) [system] (:)=(/)
^  Call: (197) [user] is_like_space(:)
   Call: (198) [system] char_type(:, 'white')
   Fail: (198) [system] char_type(:, 'white')
   Call: (198) [system] char_type(:, end_of_line)
   Fail: (198) [system] char_type(:, end_of_line)
   Call: (198) [system] char_type(:, space)
   Fail: (198) [system] char_type(:, space)
   Call: (198) [system] char_type(:, cntrl)
   Fail: (198) [system] char_type(:, cntrl)
^  Fail: (197) [user] is_like_space(:)
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] get_char((0x563acd73bee0), _1292420)
   Exit: (196) [system] get_char((0x563acd73bee0), :)
   Call: (196) [system] (:)='('
   Fail: (196) [system] (:)='('
   Call: (196) [system] (:)='['
   Fail: (196) [system] (:)='['
   Call: (196) [system] (:)='{'
   Fail: (196) [system] (:)='{'
   Call: (196) [system] (:)='"'
   Fail: (196) [system] (:)='"'
   Call: (196) [system] (:)=!
   Fail: (196) [system] (:)=!
   Call: (196) [system] (:)='\''
   Fail: (196) [system] (:)='\''
   Call: (196) [system] (:)='`'
   Fail: (196) [system] (:)='`'
   Call: (196) [system] (:)=end_of_file
   Fail: (196) [system] (:)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x563acd73bee0), :, _1274552)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _1310062)
   Call: (198) [system] peek_char((0x563acd73bee0), _1310996)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _1310062=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (197) [user] classify_and_convert_charseq([:], _1274552)
^  Call: (198) [user] classify_and_convert_charseq_([:], _1320280)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_1321232, _1321234), once(user:catch(read_from_chars([:], _1320280), _1321214, fail)), '$restore_trace'(_1321232, _1321234))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_1321232, _1321234))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1321214, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(:)
   Exit: (199) [system] atomic(:)
^  Exit: (198) [user] classify_and_convert_charseq_([:], :)
   Call: (198) [system] integer(:)
   Fail: (198) [system] integer(:)
   Call: (198) [system] _1274552=(:)
   Exit: (198) [system] (:)=(:)
^  Exit: (197) [user] classify_and_convert_charseq([:], :)
^  Exit: (196) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (195) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _1333360)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1335218)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x563acd73bee0), _1344812)
   Exit: (197) [system] get_char((0x563acd73bee0), ' ')
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1347516)
   Exit: (198) [system] peek_char((0x563acd73bee0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1364450)
   Exit: (196) [system] peek_char((0x563acd73bee0), $)
   Call: (196) [system] ($)=')'
   Fail: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x563acd73bee0), _1370020)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1371878)
   Exit: (198) [system] peek_char((0x563acd73bee0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] get_char((0x563acd73bee0), _1387888)
   Exit: (197) [system] get_char((0x563acd73bee0), $)
   Call: (197) [system] ($)='('
   Fail: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Fail: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Fail: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Fail: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Fail: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Fail: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Fail: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x563acd73bee0), $, _1370020)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _1405530)
   Call: (199) [system] peek_char((0x563acd73bee0), _1406464)
   Exit: (199) [system] peek_char((0x563acd73bee0), p)
^  Call: (199) [user] is_delimiter(p)
   Call: (200) [system] char_type(p, space)
   Fail: (200) [system] char_type(p, space)
   Call: (200) [system] arg(_1411184, v('(', ')', end_of_file), p)
   Fail: (200) [system] arg(_1412116, v('(', ')', end_of_file), p)
^  Fail: (199) [user] is_delimiter(p)
   Call: (199) [system] ')'==p
   Fail: (199) [system] ')'==p
   Call: (199) [system] get_char((0x563acd73bee0), p)
   Exit: (199) [system] get_char((0x563acd73bee0), p)
   Call: (199) [system] p=(\)
   Fail: (199) [system] p=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _1419466)
   Call: (200) [system] peek_char((0x563acd73bee0), _1420400)
   Exit: (200) [system] peek_char((0x563acd73bee0), r)
^  Call: (200) [user] is_delimiter(r)
   Call: (201) [system] char_type(r, space)
   Fail: (201) [system] char_type(r, space)
   Call: (201) [system] arg(_1425120, v('(', ')', end_of_file), r)
   Fail: (201) [system] arg(_1426052, v('(', ')', end_of_file), r)
^  Fail: (200) [user] is_delimiter(r)
   Call: (200) [system] ')'==r
   Fail: (200) [system] ')'==r
   Call: (200) [system] get_char((0x563acd73bee0), r)
   Exit: (200) [system] get_char((0x563acd73bee0), r)
   Call: (200) [system] r=(\)
   Fail: (200) [system] r=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _1433402)
   Call: (201) [system] peek_char((0x563acd73bee0), _1434336)
   Exit: (201) [system] peek_char((0x563acd73bee0), o)
^  Call: (201) [user] is_delimiter(o)
   Call: (202) [system] char_type(o, space)
   Fail: (202) [system] char_type(o, space)
   Call: (202) [system] arg(_1439056, v('(', ')', end_of_file), o)
   Fail: (202) [system] arg(_1439988, v('(', ')', end_of_file), o)
^  Fail: (201) [user] is_delimiter(o)
   Call: (201) [system] ')'==o
   Fail: (201) [system] ')'==o
   Call: (201) [system] get_char((0x563acd73bee0), o)
   Exit: (201) [system] get_char((0x563acd73bee0), o)
   Call: (201) [system] o=(\)
   Fail: (201) [system] o=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _1447338)
   Call: (202) [system] peek_char((0x563acd73bee0), _1448272)
   Exit: (202) [system] peek_char((0x563acd73bee0), o)
^  Call: (202) [user] is_delimiter(o)
   Call: (203) [system] char_type(o, space)
   Fail: (203) [system] char_type(o, space)
   Call: (203) [system] arg(_1452992, v('(', ')', end_of_file), o)
   Fail: (203) [system] arg(_1453924, v('(', ')', end_of_file), o)
^  Fail: (202) [user] is_delimiter(o)
   Call: (202) [system] ')'==o
   Fail: (202) [system] ')'==o
   Call: (202) [system] get_char((0x563acd73bee0), o)
   Exit: (202) [system] get_char((0x563acd73bee0), o)
   Call: (202) [system] o=(\)
   Fail: (202) [system] o=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1461274)
   Call: (203) [system] peek_char((0x563acd73bee0), _1462208)
   Exit: (203) [system] peek_char((0x563acd73bee0), f)
^  Call: (203) [user] is_delimiter(f)
   Call: (204) [system] char_type(f, space)
   Fail: (204) [system] char_type(f, space)
   Call: (204) [system] arg(_1466928, v('(', ')', end_of_file), f)
   Fail: (204) [system] arg(_1467860, v('(', ')', end_of_file), f)
^  Fail: (203) [user] is_delimiter(f)
   Call: (203) [system] ')'==f
   Fail: (203) [system] ')'==f
   Call: (203) [system] get_char((0x563acd73bee0), f)
   Exit: (203) [system] get_char((0x563acd73bee0), f)
   Call: (203) [system] f=(\)
   Fail: (203) [system] f=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1475210)
   Call: (204) [system] peek_char((0x563acd73bee0), _1476144)
   Exit: (204) [system] peek_char((0x563acd73bee0), '1')
^  Call: (204) [user] is_delimiter('1')
   Call: (205) [system] char_type('1', space)
   Fail: (205) [system] char_type('1', space)
   Call: (205) [system] arg(_1480864, v('(', ')', end_of_file), '1')
   Fail: (205) [system] arg(_1481796, v('(', ')', end_of_file), '1')
^  Fail: (204) [user] is_delimiter('1')
   Call: (204) [system] ')'=='1'
   Fail: (204) [system] ')'=='1'
   Call: (204) [system] get_char((0x563acd73bee0), '1')
   Exit: (204) [system] get_char((0x563acd73bee0), '1')
   Call: (204) [system] '1'=(\)
   Fail: (204) [system] '1'=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1489146)
   Call: (205) [system] peek_char((0x563acd73bee0), _1490080)
   Exit: (205) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _1489146=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (204) [system] _1475210=['1']
   Exit: (204) [system] ['1']=['1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), ['1'])
   Call: (203) [system] _1461274=[f, '1']
   Exit: (203) [system] [f, '1']=[f, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [f, '1'])
   Call: (202) [system] _1447338=[o, f, '1']
   Exit: (202) [system] [o, f, '1']=[o, f, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, f, '1'])
   Call: (201) [system] _1433402=[o, o, f, '1']
   Exit: (201) [system] [o, o, f, '1']=[o, o, f, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, o, f, '1'])
   Call: (200) [system] _1419466=[r, o, o, f, '1']
   Exit: (200) [system] [r, o, o, f, '1']=[r, o, o, f, '1']
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, o, f, '1'])
   Call: (199) [system] _1405530=[p, r, o, o, f, '1']
   Exit: (199) [system] [p, r, o, o, f, '1']=[p, r, o, o, f, '1']
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, o, o, f, '1'])
^  Call: (198) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _1370020)
^  Call: (199) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _1516128)
   Call: (200) [system] atom_chars(_1517060, ['_', p, r, o, o, f, '1'])
   Exit: (200) [system] atom_chars('_proof1', ['_', p, r, o, o, f, '1'])
^  Exit: (199) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _proof1)
   Call: (199) [system] integer(_proof1)
   Fail: (199) [system] integer(_proof1)
   Call: (199) [system] _1370020=_proof1
   Exit: (199) [system] _proof1=_proof1
^  Exit: (198) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _proof1)
^  Exit: (197) [user] read_symbolic(')', (0x563acd73bee0), $, _proof1)
^  Exit: (196) [user] cont_sexpr(')', (0x563acd73bee0), _proof1)
^  Call: (196) [user] read_list(')', (0x563acd73bee0), _1526352)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1528210)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x563acd73bee0), _1537804)
   Exit: (198) [system] get_char((0x563acd73bee0), ' ')
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1540508)
   Exit: (199) [system] peek_char((0x563acd73bee0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1557442)
   Exit: (197) [system] peek_char((0x563acd73bee0), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x563acd73bee0), _1563012)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1564870)
   Exit: (199) [system] peek_char((0x563acd73bee0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] get_char((0x563acd73bee0), _1580880)
   Exit: (198) [system] get_char((0x563acd73bee0), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x563acd73bee0), $, _1563012)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _1598522)
   Call: (200) [system] peek_char((0x563acd73bee0), _1599456)
   Exit: (200) [system] peek_char((0x563acd73bee0), p)
^  Call: (200) [user] is_delimiter(p)
   Call: (201) [system] char_type(p, space)
   Fail: (201) [system] char_type(p, space)
   Call: (201) [system] arg(_1604176, v('(', ')', end_of_file), p)
   Fail: (201) [system] arg(_1605108, v('(', ')', end_of_file), p)
^  Fail: (200) [user] is_delimiter(p)
   Call: (200) [system] ')'==p
   Fail: (200) [system] ')'==p
   Call: (200) [system] get_char((0x563acd73bee0), p)
   Exit: (200) [system] get_char((0x563acd73bee0), p)
   Call: (200) [system] p=(\)
   Fail: (200) [system] p=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _1612458)
   Call: (201) [system] peek_char((0x563acd73bee0), _1613392)
   Exit: (201) [system] peek_char((0x563acd73bee0), r)
^  Call: (201) [user] is_delimiter(r)
   Call: (202) [system] char_type(r, space)
   Fail: (202) [system] char_type(r, space)
   Call: (202) [system] arg(_1618112, v('(', ')', end_of_file), r)
   Fail: (202) [system] arg(_1619044, v('(', ')', end_of_file), r)
^  Fail: (201) [user] is_delimiter(r)
   Call: (201) [system] ')'==r
   Fail: (201) [system] ')'==r
   Call: (201) [system] get_char((0x563acd73bee0), r)
   Exit: (201) [system] get_char((0x563acd73bee0), r)
   Call: (201) [system] r=(\)
   Fail: (201) [system] r=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _1626394)
   Call: (202) [system] peek_char((0x563acd73bee0), _1627328)
   Exit: (202) [system] peek_char((0x563acd73bee0), e)
^  Call: (202) [user] is_delimiter(e)
   Call: (203) [system] char_type(e, space)
   Fail: (203) [system] char_type(e, space)
   Call: (203) [system] arg(_1632048, v('(', ')', end_of_file), e)
   Fail: (203) [system] arg(_1632980, v('(', ')', end_of_file), e)
^  Fail: (202) [user] is_delimiter(e)
   Call: (202) [system] ')'==e
   Fail: (202) [system] ')'==e
   Call: (202) [system] get_char((0x563acd73bee0), e)
   Exit: (202) [system] get_char((0x563acd73bee0), e)
   Call: (202) [system] e=(\)
   Fail: (202) [system] e=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1640330)
   Call: (203) [system] peek_char((0x563acd73bee0), _1641264)
   Exit: (203) [system] peek_char((0x563acd73bee0), m)
^  Call: (203) [user] is_delimiter(m)
   Call: (204) [system] char_type(m, space)
   Fail: (204) [system] char_type(m, space)
   Call: (204) [system] arg(_1645984, v('(', ')', end_of_file), m)
   Fail: (204) [system] arg(_1646916, v('(', ')', end_of_file), m)
^  Fail: (203) [user] is_delimiter(m)
   Call: (203) [system] ')'==m
   Fail: (203) [system] ')'==m
   Call: (203) [system] get_char((0x563acd73bee0), m)
   Exit: (203) [system] get_char((0x563acd73bee0), m)
   Call: (203) [system] m=(\)
   Fail: (203) [system] m=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1654266)
   Call: (204) [system] peek_char((0x563acd73bee0), _1655200)
   Exit: (204) [system] peek_char((0x563acd73bee0), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Fail: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_1659920, v('(', ')', end_of_file), i)
   Fail: (205) [system] arg(_1660852, v('(', ')', end_of_file), i)
^  Fail: (204) [user] is_delimiter(i)
   Call: (204) [system] ')'==i
   Fail: (204) [system] ')'==i
   Call: (204) [system] get_char((0x563acd73bee0), i)
   Exit: (204) [system] get_char((0x563acd73bee0), i)
   Call: (204) [system] i=(\)
   Fail: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1668202)
   Call: (205) [system] peek_char((0x563acd73bee0), _1669136)
   Exit: (205) [system] peek_char((0x563acd73bee0), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Fail: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_1673856, v('(', ')', end_of_file), s)
   Fail: (206) [system] arg(_1674788, v('(', ')', end_of_file), s)
^  Fail: (205) [user] is_delimiter(s)
   Call: (205) [system] ')'==s
   Fail: (205) [system] ')'==s
   Call: (205) [system] get_char((0x563acd73bee0), s)
   Exit: (205) [system] get_char((0x563acd73bee0), s)
   Call: (205) [system] s=(\)
   Fail: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1682138)
   Call: (206) [system] peek_char((0x563acd73bee0), _1683072)
   Exit: (206) [system] peek_char((0x563acd73bee0), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Fail: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_1687792, v('(', ')', end_of_file), e)
   Fail: (207) [system] arg(_1688724, v('(', ')', end_of_file), e)
^  Fail: (206) [user] is_delimiter(e)
   Call: (206) [system] ')'==e
   Fail: (206) [system] ')'==e
   Call: (206) [system] get_char((0x563acd73bee0), e)
   Exit: (206) [system] get_char((0x563acd73bee0), e)
   Call: (206) [system] e=(\)
   Fail: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1696074)
   Call: (207) [system] peek_char((0x563acd73bee0), _1697008)
   Exit: (207) [system] peek_char((0x563acd73bee0), '1')
^  Call: (207) [user] is_delimiter('1')
   Call: (208) [system] char_type('1', space)
   Fail: (208) [system] char_type('1', space)
   Call: (208) [system] arg(_1701728, v('(', ')', end_of_file), '1')
   Fail: (208) [system] arg(_1702660, v('(', ')', end_of_file), '1')
^  Fail: (207) [user] is_delimiter('1')
   Call: (207) [system] ')'=='1'
   Fail: (207) [system] ')'=='1'
   Call: (207) [system] get_char((0x563acd73bee0), '1')
   Exit: (207) [system] get_char((0x563acd73bee0), '1')
   Call: (207) [system] '1'=(\)
   Fail: (207) [system] '1'=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1710010)
   Call: (208) [system] peek_char((0x563acd73bee0), _1710944)
   Exit: (208) [system] peek_char((0x563acd73bee0), ')')
^  Call: (208) [user] is_delimiter(')')
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] arg(_1715664, v('(', ')', end_of_file), ')')
   Exit: (209) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (208) [user] is_delimiter(')')
   Call: (208) [system] _1710010=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (207) [system] _1696074=['1']
   Exit: (207) [system] ['1']=['1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), ['1'])
   Call: (206) [system] _1682138=[e, '1']
   Exit: (206) [system] [e, '1']=[e, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, '1'])
   Call: (205) [system] _1668202=[s, e, '1']
   Exit: (205) [system] [s, e, '1']=[s, e, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, e, '1'])
   Call: (204) [system] _1654266=[i, s, e, '1']
   Exit: (204) [system] [i, s, e, '1']=[i, s, e, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, e, '1'])
   Call: (203) [system] _1640330=[m, i, s, e, '1']
   Exit: (203) [system] [m, i, s, e, '1']=[m, i, s, e, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, i, s, e, '1'])
   Call: (202) [system] _1626394=[e, m, i, s, e, '1']
   Exit: (202) [system] [e, m, i, s, e, '1']=[e, m, i, s, e, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, m, i, s, e, '1'])
   Call: (201) [system] _1612458=[r, e, m, i, s, e, '1']
   Exit: (201) [system] [r, e, m, i, s, e, '1']=[r, e, m, i, s, e, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, e, m, i, s, e, '1'])
   Call: (200) [system] _1598522=[p, r, e, m, i, s, e, '1']
   Exit: (200) [system] [p, r, e, m, i, s, e, '1']=[p, r, e, m, i, s, e, '1']
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, e, m, i, s, e, '1'])
^  Call: (199) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _1563012)
^  Call: (200) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _1744452)
   Call: (201) [system] atom_chars(_1745384, ['_', p, r, e, m, i, s, e, '1'])
   Exit: (201) [system] atom_chars('_premise1', ['_', p, r, e, m, i, s, e, '1'])
^  Exit: (200) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _premise1)
   Call: (200) [system] integer(_premise1)
   Fail: (200) [system] integer(_premise1)
   Call: (200) [system] _1563012=_premise1
   Exit: (200) [system] _premise1=_premise1
^  Exit: (199) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _premise1)
^  Exit: (198) [user] read_symbolic(')', (0x563acd73bee0), $, _premise1)
^  Exit: (197) [user] cont_sexpr(')', (0x563acd73bee0), _premise1)
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _1754676)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1756534)
   Exit: (199) [system] peek_char((0x563acd73bee0), ')')
   Call: (199) [system] ')'=(;)
   Fail: (199) [system] ')'=(;)
   Call: (199) [system] ')'=(/)
   Fail: (199) [system] ')'=(/)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Fail: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Fail: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
   Fail: (200) [system] char_type(')', cntrl)
^  Fail: (199) [user] is_like_space(')')
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1772544)
   Exit: (198) [system] peek_char((0x563acd73bee0), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x563acd73bee0), _1776334)
   Exit: (198) [system] get_char((0x563acd73bee0), ')')
   Call: (198) [system] _1754676=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x563acd73bee0), [])
   Call: (197) [system] _1526352=[_premise1]
   Exit: (197) [system] [_premise1]=[_premise1]
^  Exit: (196) [user] read_list(')', (0x563acd73bee0), [_premise1])
   Call: (196) [system] _1333360=[_proof1, _premise1]
   Exit: (196) [system] [_proof1, _premise1]=[_proof1, _premise1]
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), [_proof1, _premise1])
   Call: (195) [system] _1229534=[:, _proof1, _premise1]
   Exit: (195) [system] [:, _proof1, _premise1]=[:, _proof1, _premise1]
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), [:, _proof1, _premise1])
^  Exit: (193) [user] cont_sexpr(')', (0x563acd73bee0), [:, _proof1, _premise1])
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _1790216)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1792074)
   Exit: (195) [system] peek_char((0x563acd73bee0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x563acd73bee0), _1801668)
   Exit: (195) [system] get_char((0x563acd73bee0), ' ')
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1804372)
   Exit: (196) [system] peek_char((0x563acd73bee0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1821306)
   Exit: (194) [system] peek_char((0x563acd73bee0), '(')
   Call: (194) [system] '('=')'
   Fail: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
   Fail: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x563acd73bee0), _1826876)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1828734)
   Exit: (196) [system] peek_char((0x563acd73bee0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] get_char((0x563acd73bee0), _1844744)
   Exit: (195) [system] get_char((0x563acd73bee0), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _1826876)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1850314)
   Exit: (197) [system] peek_char((0x563acd73bee0), s)
   Call: (197) [system] s=(;)
   Fail: (197) [system] s=(;)
   Call: (197) [system] s=(/)
   Fail: (197) [system] s=(/)
^  Call: (197) [user] is_like_space(s)
   Call: (198) [system] char_type(s, 'white')
   Fail: (198) [system] char_type(s, 'white')
   Call: (198) [system] char_type(s, end_of_line)
   Fail: (198) [system] char_type(s, end_of_line)
   Call: (198) [system] char_type(s, space)
   Fail: (198) [system] char_type(s, space)
   Call: (198) [system] char_type(s, cntrl)
   Fail: (198) [system] char_type(s, cntrl)
^  Fail: (197) [user] is_like_space(s)
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1866324)
   Exit: (196) [system] peek_char((0x563acd73bee0), s)
   Call: (196) [system] s=')'
   Fail: (196) [system] s=')'
   Call: (196) [system] s=end_of_file
   Fail: (196) [system] s=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x563acd73bee0), _1871894)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1873752)
   Exit: (198) [system] peek_char((0x563acd73bee0), s)
   Call: (198) [system] s=(;)
   Fail: (198) [system] s=(;)
   Call: (198) [system] s=(/)
   Fail: (198) [system] s=(/)
^  Call: (198) [user] is_like_space(s)
   Call: (199) [system] char_type(s, 'white')
   Fail: (199) [system] char_type(s, 'white')
   Call: (199) [system] char_type(s, end_of_line)
   Fail: (199) [system] char_type(s, end_of_line)
   Call: (199) [system] char_type(s, space)
   Fail: (199) [system] char_type(s, space)
   Call: (199) [system] char_type(s, cntrl)
   Fail: (199) [system] char_type(s, cntrl)
^  Fail: (198) [user] is_like_space(s)
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] get_char((0x563acd73bee0), _1889762)
   Exit: (197) [system] get_char((0x563acd73bee0), s)
   Call: (197) [system] s='('
   Fail: (197) [system] s='('
   Call: (197) [system] s='['
   Fail: (197) [system] s='['
   Call: (197) [system] s='{'
   Fail: (197) [system] s='{'
   Call: (197) [system] s='"'
   Fail: (197) [system] s='"'
   Call: (197) [system] s=!
   Fail: (197) [system] s=!
   Call: (197) [system] s='\''
   Fail: (197) [system] s='\''
   Call: (197) [system] s='`'
   Fail: (197) [system] s='`'
   Call: (197) [system] s=end_of_file
   Fail: (197) [system] s=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x563acd73bee0), s, _1871894)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _1907404)
   Call: (199) [system] peek_char((0x563acd73bee0), _1908338)
   Exit: (199) [system] peek_char((0x563acd73bee0), y)
^  Call: (199) [user] is_delimiter(y)
   Call: (200) [system] char_type(y, space)
   Fail: (200) [system] char_type(y, space)
   Call: (200) [system] arg(_1913058, v('(', ')', end_of_file), y)
   Fail: (200) [system] arg(_1913990, v('(', ')', end_of_file), y)
^  Fail: (199) [user] is_delimiter(y)
   Call: (199) [system] ')'==y
   Fail: (199) [system] ')'==y
   Call: (199) [system] get_char((0x563acd73bee0), y)
   Exit: (199) [system] get_char((0x563acd73bee0), y)
   Call: (199) [system] y=(\)
   Fail: (199) [system] y=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _1921340)
   Call: (200) [system] peek_char((0x563acd73bee0), _1922274)
   Exit: (200) [system] peek_char((0x563acd73bee0), n)
^  Call: (200) [user] is_delimiter(n)
   Call: (201) [system] char_type(n, space)
   Fail: (201) [system] char_type(n, space)
   Call: (201) [system] arg(_1926994, v('(', ')', end_of_file), n)
   Fail: (201) [system] arg(_1927926, v('(', ')', end_of_file), n)
^  Fail: (200) [user] is_delimiter(n)
   Call: (200) [system] ')'==n
   Fail: (200) [system] ')'==n
   Call: (200) [system] get_char((0x563acd73bee0), n)
   Exit: (200) [system] get_char((0x563acd73bee0), n)
   Call: (200) [system] n=(\)
   Fail: (200) [system] n=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _1935276)
   Call: (201) [system] peek_char((0x563acd73bee0), _1936210)
   Exit: (201) [system] peek_char((0x563acd73bee0), t)
^  Call: (201) [user] is_delimiter(t)
   Call: (202) [system] char_type(t, space)
   Fail: (202) [system] char_type(t, space)
   Call: (202) [system] arg(_1940930, v('(', ')', end_of_file), t)
   Fail: (202) [system] arg(_1941862, v('(', ')', end_of_file), t)
^  Fail: (201) [user] is_delimiter(t)
   Call: (201) [system] ')'==t
   Fail: (201) [system] ')'==t
   Call: (201) [system] get_char((0x563acd73bee0), t)
   Exit: (201) [system] get_char((0x563acd73bee0), t)
   Call: (201) [system] t=(\)
   Fail: (201) [system] t=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _1949212)
   Call: (202) [system] peek_char((0x563acd73bee0), _1950146)
   Exit: (202) [system] peek_char((0x563acd73bee0), h)
^  Call: (202) [user] is_delimiter(h)
   Call: (203) [system] char_type(h, space)
   Fail: (203) [system] char_type(h, space)
   Call: (203) [system] arg(_1954866, v('(', ')', end_of_file), h)
   Fail: (203) [system] arg(_1955798, v('(', ')', end_of_file), h)
^  Fail: (202) [user] is_delimiter(h)
   Call: (202) [system] ')'==h
   Fail: (202) [system] ')'==h
   Call: (202) [system] get_char((0x563acd73bee0), h)
   Exit: (202) [system] get_char((0x563acd73bee0), h)
   Call: (202) [system] h=(\)
   Fail: (202) [system] h=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1963148)
   Call: (203) [system] peek_char((0x563acd73bee0), _1964082)
   Exit: (203) [system] peek_char((0x563acd73bee0), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Fail: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_1968802, v('(', ')', end_of_file), e)
   Fail: (204) [system] arg(_1969734, v('(', ')', end_of_file), e)
^  Fail: (203) [user] is_delimiter(e)
   Call: (203) [system] ')'==e
   Fail: (203) [system] ')'==e
   Call: (203) [system] get_char((0x563acd73bee0), e)
   Exit: (203) [system] get_char((0x563acd73bee0), e)
   Call: (203) [system] e=(\)
   Fail: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1977084)
   Call: (204) [system] peek_char((0x563acd73bee0), _1978018)
   Exit: (204) [system] peek_char((0x563acd73bee0), s)
^  Call: (204) [user] is_delimiter(s)
   Call: (205) [system] char_type(s, space)
   Fail: (205) [system] char_type(s, space)
   Call: (205) [system] arg(_1982738, v('(', ')', end_of_file), s)
   Fail: (205) [system] arg(_1983670, v('(', ')', end_of_file), s)
^  Fail: (204) [user] is_delimiter(s)
   Call: (204) [system] ')'==s
   Fail: (204) [system] ')'==s
   Call: (204) [system] get_char((0x563acd73bee0), s)
   Exit: (204) [system] get_char((0x563acd73bee0), s)
   Call: (204) [system] s=(\)
   Fail: (204) [system] s=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1991020)
   Call: (205) [system] peek_char((0x563acd73bee0), _1991954)
   Exit: (205) [system] peek_char((0x563acd73bee0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_1996674, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_1997606, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x563acd73bee0), i)
   Exit: (205) [system] get_char((0x563acd73bee0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _2004956)
   Call: (206) [system] peek_char((0x563acd73bee0), _2005890)
   Exit: (206) [system] peek_char((0x563acd73bee0), z)
^  Call: (206) [user] is_delimiter(z)
   Call: (207) [system] char_type(z, space)
   Fail: (207) [system] char_type(z, space)
   Call: (207) [system] arg(_2010610, v('(', ')', end_of_file), z)
   Fail: (207) [system] arg(_2011542, v('(', ')', end_of_file), z)
^  Fail: (206) [user] is_delimiter(z)
   Call: (206) [system] ')'==z
   Fail: (206) [system] ')'==z
   Call: (206) [system] get_char((0x563acd73bee0), z)
   Exit: (206) [system] get_char((0x563acd73bee0), z)
   Call: (206) [system] z=(\)
   Fail: (206) [system] z=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _2018892)
   Call: (207) [system] peek_char((0x563acd73bee0), _2019826)
   Exit: (207) [system] peek_char((0x563acd73bee0), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_2024546, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_2025478, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x563acd73bee0), e)
   Exit: (207) [system] get_char((0x563acd73bee0), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _2032828)
   Call: (208) [system] peek_char((0x563acd73bee0), _2033762)
   Exit: (208) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _2032828=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (207) [system] _2018892=[e]
   Exit: (207) [system] [e]=[e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [e])
   Call: (206) [system] _2004956=[z, e]
   Exit: (206) [system] [z, e]=[z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [z, e])
   Call: (205) [system] _1991020=[i, z, e]
   Exit: (205) [system] [i, z, e]=[i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, z, e])
   Call: (204) [system] _1977084=[s, i, z, e]
   Exit: (204) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, i, z, e])
   Call: (203) [system] _1963148=[e, s, i, z, e]
   Exit: (203) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, s, i, z, e])
   Call: (202) [system] _1949212=[h, e, s, i, z, e]
   Exit: (202) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [h, e, s, i, z, e])
   Call: (201) [system] _1935276=[t, h, e, s, i, z, e]
   Exit: (201) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, h, e, s, i, z, e])
   Call: (200) [system] _1921340=[n, t, h, e, s, i, z, e]
   Exit: (200) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, h, e, s, i, z, e])
   Call: (199) [system] _1907404=[y, n, t, h, e, s, i, z, e]
   Exit: (199) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [y, n, t, h, e, s, i, z, e])
^  Call: (198) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _1871894)
^  Call: (199) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _2068192)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_2069144, _2069146), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _2068192), _2069126, fail)), '$restore_trace'(_2069144, _2069146))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_2069144, _2069146))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _2069126, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(synthesize)
   Exit: (200) [system] atomic(synthesize)
^  Exit: (199) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (199) [system] integer(synthesize)
   Fail: (199) [system] integer(synthesize)
   Call: (199) [system] _1871894=synthesize
   Exit: (199) [system] synthesize=synthesize
^  Exit: (198) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (197) [user] read_symbolic(')', (0x563acd73bee0), s, synthesize)
^  Exit: (196) [user] cont_sexpr(')', (0x563acd73bee0), synthesize)
^  Call: (196) [user] read_list(')', (0x563acd73bee0), _2081272)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _2083130)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x563acd73bee0), _2092724)
   Exit: (198) [system] get_char((0x563acd73bee0), ' ')
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _2095428)
   Exit: (199) [system] peek_char((0x563acd73bee0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _19258)
   Exit: (197) [system] peek_char((0x563acd73bee0), '(')
   Call: (197) [system] '('=')'
   Fail: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
   Fail: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x563acd73bee0), _24828)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _26686)
   Exit: (199) [system] peek_char((0x563acd73bee0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] get_char((0x563acd73bee0), _42696)
   Exit: (198) [system] get_char((0x563acd73bee0), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _24828)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _48266)
   Exit: (200) [system] peek_char((0x563acd73bee0), :)
   Call: (200) [system] (:)=(;)
   Fail: (200) [system] (:)=(;)
   Call: (200) [system] (:)=(/)
   Fail: (200) [system] (:)=(/)
^  Call: (200) [user] is_like_space(:)
   Call: (201) [system] char_type(:, 'white')
   Fail: (201) [system] char_type(:, 'white')
   Call: (201) [system] char_type(:, end_of_line)
   Fail: (201) [system] char_type(:, end_of_line)
   Call: (201) [system] char_type(:, space)
   Fail: (201) [system] char_type(:, space)
   Call: (201) [system] char_type(:, cntrl)
   Fail: (201) [system] char_type(:, cntrl)
^  Fail: (200) [user] is_like_space(:)
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _64276)
   Exit: (199) [system] peek_char((0x563acd73bee0), :)
   Call: (199) [system] (:)=')'
   Fail: (199) [system] (:)=')'
   Call: (199) [system] (:)=end_of_file
   Fail: (199) [system] (:)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x563acd73bee0), _69846)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _71704)
   Exit: (201) [system] peek_char((0x563acd73bee0), :)
   Call: (201) [system] (:)=(;)
   Fail: (201) [system] (:)=(;)
   Call: (201) [system] (:)=(/)
   Fail: (201) [system] (:)=(/)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Fail: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Fail: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Fail: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
   Fail: (202) [system] char_type(:, cntrl)
^  Fail: (201) [user] is_like_space(:)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] get_char((0x563acd73bee0), _87714)
   Exit: (200) [system] get_char((0x563acd73bee0), :)
   Call: (200) [system] (:)='('
   Fail: (200) [system] (:)='('
   Call: (200) [system] (:)='['
   Fail: (200) [system] (:)='['
   Call: (200) [system] (:)='{'
   Fail: (200) [system] (:)='{'
   Call: (200) [system] (:)='"'
   Fail: (200) [system] (:)='"'
   Call: (200) [system] (:)=!
   Fail: (200) [system] (:)=!
   Call: (200) [system] (:)='\''
   Fail: (200) [system] (:)='\''
   Call: (200) [system] (:)='`'
   Fail: (200) [system] (:)='`'
   Call: (200) [system] (:)=end_of_file
   Fail: (200) [system] (:)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x563acd73bee0), :, _69846)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _105356)
   Call: (202) [system] peek_char((0x563acd73bee0), _106290)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _105356=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (201) [user] classify_and_convert_charseq([:], _69846)
^  Call: (202) [user] classify_and_convert_charseq_([:], _115574)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_116526, _116528), once(user:catch(read_from_chars([:], _115574), _116508, fail)), '$restore_trace'(_116526, _116528))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_116526, _116528))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _116508, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(:)
   Exit: (203) [system] atomic(:)
^  Exit: (202) [user] classify_and_convert_charseq_([:], :)
   Call: (202) [system] integer(:)
   Fail: (202) [system] integer(:)
   Call: (202) [system] _69846=(:)
   Exit: (202) [system] (:)=(:)
^  Exit: (201) [user] classify_and_convert_charseq([:], :)
^  Exit: (200) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (199) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _128654)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _130512)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _140106)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _142810)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _159744)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x563acd73bee0), _165314)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _167172)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] get_char((0x563acd73bee0), _183182)
   Exit: (201) [system] get_char((0x563acd73bee0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x563acd73bee0), $, _165314)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _200824)
   Call: (203) [system] peek_char((0x563acd73bee0), _201758)
   Exit: (203) [system] peek_char((0x563acd73bee0), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Fail: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_206478, v('(', ')', end_of_file), p)
   Fail: (204) [system] arg(_207410, v('(', ')', end_of_file), p)
^  Fail: (203) [user] is_delimiter(p)
   Call: (203) [system] ')'==p
   Fail: (203) [system] ')'==p
   Call: (203) [system] get_char((0x563acd73bee0), p)
   Exit: (203) [system] get_char((0x563acd73bee0), p)
   Call: (203) [system] p=(\)
   Fail: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _214760)
   Call: (204) [system] peek_char((0x563acd73bee0), _215694)
   Exit: (204) [system] peek_char((0x563acd73bee0), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_220414, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_221346, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x563acd73bee0), r)
   Exit: (204) [system] get_char((0x563acd73bee0), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _228696)
   Call: (205) [system] peek_char((0x563acd73bee0), _229630)
   Exit: (205) [system] peek_char((0x563acd73bee0), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_234350, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_235282, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x563acd73bee0), o)
   Exit: (205) [system] get_char((0x563acd73bee0), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _242632)
   Call: (206) [system] peek_char((0x563acd73bee0), _243566)
   Exit: (206) [system] peek_char((0x563acd73bee0), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_248286, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_249218, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x563acd73bee0), o)
   Exit: (206) [system] get_char((0x563acd73bee0), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _256568)
   Call: (207) [system] peek_char((0x563acd73bee0), _257502)
   Exit: (207) [system] peek_char((0x563acd73bee0), f)
^  Call: (207) [user] is_delimiter(f)
   Call: (208) [system] char_type(f, space)
   Fail: (208) [system] char_type(f, space)
   Call: (208) [system] arg(_262222, v('(', ')', end_of_file), f)
   Fail: (208) [system] arg(_263154, v('(', ')', end_of_file), f)
^  Fail: (207) [user] is_delimiter(f)
   Call: (207) [system] ')'==f
   Fail: (207) [system] ')'==f
   Call: (207) [system] get_char((0x563acd73bee0), f)
   Exit: (207) [system] get_char((0x563acd73bee0), f)
   Call: (207) [system] f=(\)
   Fail: (207) [system] f=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _270504)
   Call: (208) [system] peek_char((0x563acd73bee0), _271438)
   Exit: (208) [system] peek_char((0x563acd73bee0), '1')
^  Call: (208) [user] is_delimiter('1')
   Call: (209) [system] char_type('1', space)
   Fail: (209) [system] char_type('1', space)
   Call: (209) [system] arg(_276158, v('(', ')', end_of_file), '1')
   Fail: (209) [system] arg(_277090, v('(', ')', end_of_file), '1')
^  Fail: (208) [user] is_delimiter('1')
   Call: (208) [system] ')'=='1'
   Fail: (208) [system] ')'=='1'
   Call: (208) [system] get_char((0x563acd73bee0), '1')
   Exit: (208) [system] get_char((0x563acd73bee0), '1')
   Call: (208) [system] '1'=(\)
   Fail: (208) [system] '1'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _284440)
   Call: (209) [system] peek_char((0x563acd73bee0), _285374)
   Exit: (209) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _284440=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (208) [system] _270504=['1']
   Exit: (208) [system] ['1']=['1']
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), ['1'])
   Call: (207) [system] _256568=[f, '1']
   Exit: (207) [system] [f, '1']=[f, '1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [f, '1'])
   Call: (206) [system] _242632=[o, f, '1']
   Exit: (206) [system] [o, f, '1']=[o, f, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, f, '1'])
   Call: (205) [system] _228696=[o, o, f, '1']
   Exit: (205) [system] [o, o, f, '1']=[o, o, f, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, o, f, '1'])
   Call: (204) [system] _214760=[r, o, o, f, '1']
   Exit: (204) [system] [r, o, o, f, '1']=[r, o, o, f, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, o, f, '1'])
   Call: (203) [system] _200824=[p, r, o, o, f, '1']
   Exit: (203) [system] [p, r, o, o, f, '1']=[p, r, o, o, f, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, o, o, f, '1'])
^  Call: (202) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _165314)
^  Call: (203) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _311422)
   Call: (204) [system] atom_chars(_312354, ['_', p, r, o, o, f, '1'])
   Exit: (204) [system] atom_chars('_proof1', ['_', p, r, o, o, f, '1'])
^  Exit: (203) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _proof1)
   Call: (203) [system] integer(_proof1)
   Fail: (203) [system] integer(_proof1)
   Call: (203) [system] _165314=_proof1
   Exit: (203) [system] _proof1=_proof1
^  Exit: (202) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _proof1)
^  Exit: (201) [user] read_symbolic(')', (0x563acd73bee0), $, _proof1)
^  Exit: (200) [user] cont_sexpr(')', (0x563acd73bee0), _proof1)
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _321646)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _323504)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x563acd73bee0), _333098)
   Exit: (202) [system] get_char((0x563acd73bee0), ' ')
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _335802)
   Exit: (203) [system] peek_char((0x563acd73bee0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _352736)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x563acd73bee0), _358306)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _360164)
   Exit: (203) [system] peek_char((0x563acd73bee0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] get_char((0x563acd73bee0), _376174)
   Exit: (202) [system] get_char((0x563acd73bee0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x563acd73bee0), $, _358306)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _393816)
   Call: (204) [system] peek_char((0x563acd73bee0), _394750)
   Exit: (204) [system] peek_char((0x563acd73bee0), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Fail: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_399470, v('(', ')', end_of_file), p)
   Fail: (205) [system] arg(_400402, v('(', ')', end_of_file), p)
^  Fail: (204) [user] is_delimiter(p)
   Call: (204) [system] ')'==p
   Fail: (204) [system] ')'==p
   Call: (204) [system] get_char((0x563acd73bee0), p)
   Exit: (204) [system] get_char((0x563acd73bee0), p)
   Call: (204) [system] p=(\)
   Fail: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _407752)
   Call: (205) [system] peek_char((0x563acd73bee0), _408686)
   Exit: (205) [system] peek_char((0x563acd73bee0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_413406, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_414338, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x563acd73bee0), r)
   Exit: (205) [system] get_char((0x563acd73bee0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _421688)
   Call: (206) [system] peek_char((0x563acd73bee0), _422622)
   Exit: (206) [system] peek_char((0x563acd73bee0), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Fail: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_427342, v('(', ')', end_of_file), e)
   Fail: (207) [system] arg(_428274, v('(', ')', end_of_file), e)
^  Fail: (206) [user] is_delimiter(e)
   Call: (206) [system] ')'==e
   Fail: (206) [system] ')'==e
   Call: (206) [system] get_char((0x563acd73bee0), e)
   Exit: (206) [system] get_char((0x563acd73bee0), e)
   Call: (206) [system] e=(\)
   Fail: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _435624)
   Call: (207) [system] peek_char((0x563acd73bee0), _436558)
   Exit: (207) [system] peek_char((0x563acd73bee0), m)
^  Call: (207) [user] is_delimiter(m)
   Call: (208) [system] char_type(m, space)
   Fail: (208) [system] char_type(m, space)
   Call: (208) [system] arg(_441278, v('(', ')', end_of_file), m)
   Fail: (208) [system] arg(_442210, v('(', ')', end_of_file), m)
^  Fail: (207) [user] is_delimiter(m)
   Call: (207) [system] ')'==m
   Fail: (207) [system] ')'==m
   Call: (207) [system] get_char((0x563acd73bee0), m)
   Exit: (207) [system] get_char((0x563acd73bee0), m)
   Call: (207) [system] m=(\)
   Fail: (207) [system] m=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _449560)
   Call: (208) [system] peek_char((0x563acd73bee0), _450494)
   Exit: (208) [system] peek_char((0x563acd73bee0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_455214, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_456146, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x563acd73bee0), i)
   Exit: (208) [system] get_char((0x563acd73bee0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _463496)
   Call: (209) [system] peek_char((0x563acd73bee0), _464430)
   Exit: (209) [system] peek_char((0x563acd73bee0), s)
^  Call: (209) [user] is_delimiter(s)
   Call: (210) [system] char_type(s, space)
   Fail: (210) [system] char_type(s, space)
   Call: (210) [system] arg(_469150, v('(', ')', end_of_file), s)
   Fail: (210) [system] arg(_470082, v('(', ')', end_of_file), s)
^  Fail: (209) [user] is_delimiter(s)
   Call: (209) [system] ')'==s
   Fail: (209) [system] ')'==s
   Call: (209) [system] get_char((0x563acd73bee0), s)
   Exit: (209) [system] get_char((0x563acd73bee0), s)
   Call: (209) [system] s=(\)
   Fail: (209) [system] s=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _477432)
   Call: (210) [system] peek_char((0x563acd73bee0), _478366)
   Exit: (210) [system] peek_char((0x563acd73bee0), e)
^  Call: (210) [user] is_delimiter(e)
   Call: (211) [system] char_type(e, space)
   Fail: (211) [system] char_type(e, space)
   Call: (211) [system] arg(_483086, v('(', ')', end_of_file), e)
   Fail: (211) [system] arg(_484018, v('(', ')', end_of_file), e)
^  Fail: (210) [user] is_delimiter(e)
   Call: (210) [system] ')'==e
   Fail: (210) [system] ')'==e
   Call: (210) [system] get_char((0x563acd73bee0), e)
   Exit: (210) [system] get_char((0x563acd73bee0), e)
   Call: (210) [system] e=(\)
   Fail: (210) [system] e=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _491368)
   Call: (211) [system] peek_char((0x563acd73bee0), _492302)
   Exit: (211) [system] peek_char((0x563acd73bee0), '1')
^  Call: (211) [user] is_delimiter('1')
   Call: (212) [system] char_type('1', space)
   Fail: (212) [system] char_type('1', space)
   Call: (212) [system] arg(_497022, v('(', ')', end_of_file), '1')
   Fail: (212) [system] arg(_497954, v('(', ')', end_of_file), '1')
^  Fail: (211) [user] is_delimiter('1')
   Call: (211) [system] ')'=='1'
   Fail: (211) [system] ')'=='1'
   Call: (211) [system] get_char((0x563acd73bee0), '1')
   Exit: (211) [system] get_char((0x563acd73bee0), '1')
   Call: (211) [system] '1'=(\)
   Fail: (211) [system] '1'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _505304)
   Call: (212) [system] peek_char((0x563acd73bee0), _506238)
   Exit: (212) [system] peek_char((0x563acd73bee0), ')')
^  Call: (212) [user] is_delimiter(')')
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] arg(_510958, v('(', ')', end_of_file), ')')
   Exit: (213) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (212) [user] is_delimiter(')')
   Call: (212) [system] _505304=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (211) [system] _491368=['1']
   Exit: (211) [system] ['1']=['1']
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), ['1'])
   Call: (210) [system] _477432=[e, '1']
   Exit: (210) [system] [e, '1']=[e, '1']
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, '1'])
   Call: (209) [system] _463496=[s, e, '1']
   Exit: (209) [system] [s, e, '1']=[s, e, '1']
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, e, '1'])
   Call: (208) [system] _449560=[i, s, e, '1']
   Exit: (208) [system] [i, s, e, '1']=[i, s, e, '1']
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, e, '1'])
   Call: (207) [system] _435624=[m, i, s, e, '1']
   Exit: (207) [system] [m, i, s, e, '1']=[m, i, s, e, '1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, i, s, e, '1'])
   Call: (206) [system] _421688=[e, m, i, s, e, '1']
   Exit: (206) [system] [e, m, i, s, e, '1']=[e, m, i, s, e, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, m, i, s, e, '1'])
   Call: (205) [system] _407752=[r, e, m, i, s, e, '1']
   Exit: (205) [system] [r, e, m, i, s, e, '1']=[r, e, m, i, s, e, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, e, m, i, s, e, '1'])
   Call: (204) [system] _393816=[p, r, e, m, i, s, e, '1']
   Exit: (204) [system] [p, r, e, m, i, s, e, '1']=[p, r, e, m, i, s, e, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, e, m, i, s, e, '1'])
^  Call: (203) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _358306)
^  Call: (204) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _539746)
   Call: (205) [system] atom_chars(_540678, ['_', p, r, e, m, i, s, e, '1'])
   Exit: (205) [system] atom_chars('_premise1', ['_', p, r, e, m, i, s, e, '1'])
^  Exit: (204) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _premise1)
   Call: (204) [system] integer(_premise1)
   Fail: (204) [system] integer(_premise1)
   Call: (204) [system] _358306=_premise1
   Exit: (204) [system] _premise1=_premise1
^  Exit: (203) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _premise1)
^  Exit: (202) [user] read_symbolic(')', (0x563acd73bee0), $, _premise1)
^  Exit: (201) [user] cont_sexpr(')', (0x563acd73bee0), _premise1)
^  Call: (201) [user] read_list(')', (0x563acd73bee0), _549970)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _551828)
   Exit: (203) [system] peek_char((0x563acd73bee0), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
   Call: (203) [system] ')'=(/)
   Fail: (203) [system] ')'=(/)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _567838)
   Exit: (202) [system] peek_char((0x563acd73bee0), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x563acd73bee0), _571628)
   Exit: (202) [system] get_char((0x563acd73bee0), ')')
   Call: (202) [system] _549970=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x563acd73bee0), [])
   Call: (201) [system] _321646=[_premise1]
   Exit: (201) [system] [_premise1]=[_premise1]
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), [_premise1])
   Call: (200) [system] _128654=[_proof1, _premise1]
   Exit: (200) [system] [_proof1, _premise1]=[_proof1, _premise1]
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), [_proof1, _premise1])
   Call: (199) [system] _24828=[:, _proof1, _premise1]
   Exit: (199) [system] [:, _proof1, _premise1]=[:, _proof1, _premise1]
^  Exit: (198) [user] read_list(')', (0x563acd73bee0), [:, _proof1, _premise1])
^  Exit: (197) [user] cont_sexpr(')', (0x563acd73bee0), [:, _proof1, _premise1])
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _585510)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _587368)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x563acd73bee0), _596962)
   Exit: (199) [system] get_char((0x563acd73bee0), ' ')
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _599666)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _616600)
   Exit: (198) [system] peek_char((0x563acd73bee0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x563acd73bee0), _622170)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _624028)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] get_char((0x563acd73bee0), _640038)
   Exit: (199) [system] get_char((0x563acd73bee0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x563acd73bee0), $, _622170)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _657680)
   Call: (201) [system] peek_char((0x563acd73bee0), _658614)
   Exit: (201) [system] peek_char((0x563acd73bee0), k)
^  Call: (201) [user] is_delimiter(k)
   Call: (202) [system] char_type(k, space)
   Fail: (202) [system] char_type(k, space)
   Call: (202) [system] arg(_663334, v('(', ')', end_of_file), k)
   Fail: (202) [system] arg(_664266, v('(', ')', end_of_file), k)
^  Fail: (201) [user] is_delimiter(k)
   Call: (201) [system] ')'==k
   Fail: (201) [system] ')'==k
   Call: (201) [system] get_char((0x563acd73bee0), k)
   Exit: (201) [system] get_char((0x563acd73bee0), k)
   Call: (201) [system] k=(\)
   Fail: (201) [system] k=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _671616)
   Call: (202) [system] peek_char((0x563acd73bee0), _672550)
   Exit: (202) [system] peek_char((0x563acd73bee0), b)
^  Call: (202) [user] is_delimiter(b)
   Call: (203) [system] char_type(b, space)
   Fail: (203) [system] char_type(b, space)
   Call: (203) [system] arg(_677270, v('(', ')', end_of_file), b)
   Fail: (203) [system] arg(_678202, v('(', ')', end_of_file), b)
^  Fail: (202) [user] is_delimiter(b)
   Call: (202) [system] ')'==b
   Fail: (202) [system] ')'==b
   Call: (202) [system] get_char((0x563acd73bee0), b)
   Exit: (202) [system] get_char((0x563acd73bee0), b)
   Call: (202) [system] b=(\)
   Fail: (202) [system] b=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _685552)
   Call: (203) [system] peek_char((0x563acd73bee0), _686486)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _685552=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (202) [system] _671616=[b]
   Exit: (202) [system] [b]=[b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
   Call: (201) [system] _657680=[k, b]
   Exit: (201) [system] [k, b]=[k, b]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [k, b])
^  Call: (200) [user] classify_and_convert_charseq([$, k, b], _622170)
^  Call: (201) [user] classify_and_convert_charseq_([$, k, b], _701358)
   Call: (202) [system] atom_chars(_702290, ['_', k, b])
   Exit: (202) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (201) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (201) [system] integer(_kb)
   Fail: (201) [system] integer(_kb)
   Call: (201) [system] _622170=_kb
   Exit: (201) [system] _kb=_kb
^  Exit: (200) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (199) [user] read_symbolic(')', (0x563acd73bee0), $, _kb)
^  Exit: (198) [user] cont_sexpr(')', (0x563acd73bee0), _kb)
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _711582)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _713440)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x563acd73bee0), _723034)
   Exit: (200) [system] get_char((0x563acd73bee0), ' ')
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _725738)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _742672)
   Exit: (199) [system] peek_char((0x563acd73bee0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x563acd73bee0), _748242)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _750100)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] get_char((0x563acd73bee0), _766110)
   Exit: (200) [system] get_char((0x563acd73bee0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x563acd73bee0), $, _748242)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _783752)
   Call: (202) [system] peek_char((0x563acd73bee0), _784686)
   Exit: (202) [system] peek_char((0x563acd73bee0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_789406, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_790338, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x563acd73bee0), r)
   Exit: (202) [system] get_char((0x563acd73bee0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _797688)
   Call: (203) [system] peek_char((0x563acd73bee0), _798622)
   Exit: (203) [system] peek_char((0x563acd73bee0), b)
^  Call: (203) [user] is_delimiter(b)
   Call: (204) [system] char_type(b, space)
   Fail: (204) [system] char_type(b, space)
   Call: (204) [system] arg(_803342, v('(', ')', end_of_file), b)
   Fail: (204) [system] arg(_804274, v('(', ')', end_of_file), b)
^  Fail: (203) [user] is_delimiter(b)
   Call: (203) [system] ')'==b
   Fail: (203) [system] ')'==b
   Call: (203) [system] get_char((0x563acd73bee0), b)
   Exit: (203) [system] get_char((0x563acd73bee0), b)
   Call: (203) [system] b=(\)
   Fail: (203) [system] b=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _811624)
   Call: (204) [system] peek_char((0x563acd73bee0), _812558)
   Exit: (204) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _811624=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (203) [system] _797688=[b]
   Exit: (203) [system] [b]=[b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
   Call: (202) [system] _783752=[r, b]
   Exit: (202) [system] [r, b]=[r, b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, b])
^  Call: (201) [user] classify_and_convert_charseq([$, r, b], _748242)
^  Call: (202) [user] classify_and_convert_charseq_([$, r, b], _827430)
   Call: (203) [system] atom_chars(_828362, ['_', r, b])
   Exit: (203) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (202) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (202) [system] integer(_rb)
   Fail: (202) [system] integer(_rb)
   Call: (202) [system] _748242=_rb
   Exit: (202) [system] _rb=_rb
^  Exit: (201) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (200) [user] read_symbolic(')', (0x563acd73bee0), $, _rb)
^  Exit: (199) [user] cont_sexpr(')', (0x563acd73bee0), _rb)
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _837654)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _839512)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _849106)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _851810)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _868744)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x563acd73bee0), _874314)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _876172)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] get_char((0x563acd73bee0), _892182)
   Exit: (201) [system] get_char((0x563acd73bee0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x563acd73bee0), $, _874314)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _909824)
   Call: (203) [system] peek_char((0x563acd73bee0), _910758)
   Exit: (203) [system] peek_char((0x563acd73bee0), k)
^  Call: (203) [user] is_delimiter(k)
   Call: (204) [system] char_type(k, space)
   Fail: (204) [system] char_type(k, space)
   Call: (204) [system] arg(_915478, v('(', ')', end_of_file), k)
   Fail: (204) [system] arg(_916410, v('(', ')', end_of_file), k)
^  Fail: (203) [user] is_delimiter(k)
   Call: (203) [system] ')'==k
   Fail: (203) [system] ')'==k
   Call: (203) [system] get_char((0x563acd73bee0), k)
   Exit: (203) [system] get_char((0x563acd73bee0), k)
   Call: (203) [system] k=(\)
   Fail: (203) [system] k=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _923760)
   Call: (204) [system] peek_char((0x563acd73bee0), _924694)
   Exit: (204) [system] peek_char((0x563acd73bee0), ')')
^  Call: (204) [user] is_delimiter(')')
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] arg(_929414, v('(', ')', end_of_file), ')')
   Exit: (205) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (204) [user] is_delimiter(')')
   Call: (204) [system] _923760=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (203) [system] _909824=[k]
   Exit: (203) [system] [k]=[k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
^  Call: (202) [user] classify_and_convert_charseq([$, k], _874314)
^  Call: (203) [user] classify_and_convert_charseq_([$, k], _938644)
   Call: (204) [system] atom_chars(_939576, ['_', k])
   Exit: (204) [system] atom_chars('_k', ['_', k])
^  Exit: (203) [user] classify_and_convert_charseq_([$, k], _k)
   Call: (203) [system] integer(_k)
   Fail: (203) [system] integer(_k)
   Call: (203) [system] _874314=_k
   Exit: (203) [system] _k=_k
^  Exit: (202) [user] classify_and_convert_charseq([$, k], _k)
^  Exit: (201) [user] read_symbolic(')', (0x563acd73bee0), $, _k)
^  Exit: (200) [user] cont_sexpr(')', (0x563acd73bee0), _k)
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _948868)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _950726)
   Exit: (202) [system] peek_char((0x563acd73bee0), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
   Call: (202) [system] ')'=(/)
   Fail: (202) [system] ')'=(/)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _966736)
   Exit: (201) [system] peek_char((0x563acd73bee0), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x563acd73bee0), _970526)
   Exit: (201) [system] get_char((0x563acd73bee0), ')')
   Call: (201) [system] _948868=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), [])
   Call: (200) [system] _837654=[_k]
   Exit: (200) [system] [_k]=[_k]
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), [_k])
   Call: (199) [system] _711582=[_rb, _k]
   Exit: (199) [system] [_rb, _k]=[_rb, _k]
^  Exit: (198) [user] read_list(')', (0x563acd73bee0), [_rb, _k])
   Call: (198) [system] _585510=[_kb, _rb, _k]
   Exit: (198) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (197) [user] read_list(')', (0x563acd73bee0), [_kb, _rb, _k])
   Call: (197) [system] _3648=[[:, _proof1, _premise1], _kb, _rb, _k]
   Exit: (197) [system] [[:, _proof1, _premise1], _kb, _rb, _k]=[[:, _proof1, _premise1], _kb, _rb, _k]
^  Exit: (196) [user] read_list(')', (0x563acd73bee0), [[:, _proof1, _premise1], _kb, _rb, _k])
   Call: (196) [system] _3640=[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]
   Exit: (196) [system] [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]=[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), [synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
^  Exit: (194) [user] cont_sexpr(')', (0x563acd73bee0), [synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _989996)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _991854)
   Exit: (196) [system] peek_char((0x563acd73bee0), ')')
   Call: (196) [system] ')'=(;)
   Fail: (196) [system] ')'=(;)
   Call: (196) [system] ')'=(/)
   Fail: (196) [system] ')'=(/)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Fail: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Fail: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
   Fail: (197) [system] char_type(')', cntrl)
^  Fail: (196) [user] is_like_space(')')
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1007864)
   Exit: (195) [system] peek_char((0x563acd73bee0), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x563acd73bee0), _1011654)
   Exit: (195) [system] get_char((0x563acd73bee0), ')')
   Call: (195) [system] _989996=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), [])
   Call: (194) [system] _3636=[[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
   Exit: (194) [system] [[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]=[[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), [[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
   Call: (193) [system] _3602=[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
   Exit: (193) [system] [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]=[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
^  Exit: (191) [user] cont_sexpr(')', (0x563acd73bee0), [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
^  Call: (191) [user] read_list(')', (0x563acd73bee0), _1022742)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1024600)
   Exit: (193) [system] peek_char((0x563acd73bee0), '\n')
   Call: (193) [system] '\n'=(;)
   Fail: (193) [system] '\n'=(;)
   Call: (193) [system] '\n'=(/)
   Fail: (193) [system] '\n'=(/)
^  Call: (193) [user] is_like_space('\n')
   Call: (194) [system] char_type('\n', 'white')
   Fail: (194) [system] char_type('\n', 'white')
   Call: (194) [system] char_type('\n', end_of_line)
   Exit: (194) [system] char_type('\n', end_of_line)
^  Exit: (193) [user] is_like_space('\n')
   Call: (193) [system] get_char((0x563acd73bee0), _1036050)
   Exit: (193) [system] get_char((0x563acd73bee0), '\n')
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1038754)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x563acd73bee0), _1048348)
   Exit: (194) [system] get_char((0x563acd73bee0), ' ')
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1051052)
   Exit: (195) [system] peek_char((0x563acd73bee0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x563acd73bee0), _1060646)
   Exit: (195) [system] get_char((0x563acd73bee0), ' ')
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1063350)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x563acd73bee0), _1072944)
   Exit: (196) [system] get_char((0x563acd73bee0), ' ')
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1075648)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x563acd73bee0), _1085242)
   Exit: (197) [system] get_char((0x563acd73bee0), ' ')
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1087946)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x563acd73bee0), _1097540)
   Exit: (198) [system] get_char((0x563acd73bee0), ' ')
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1100244)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x563acd73bee0), _1109838)
   Exit: (199) [system] get_char((0x563acd73bee0), ' ')
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1112542)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x563acd73bee0), _1122136)
   Exit: (200) [system] get_char((0x563acd73bee0), ' ')
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1124840)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _1134434)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1137138)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x563acd73bee0), _1146732)
   Exit: (202) [system] get_char((0x563acd73bee0), ' ')
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1149436)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x563acd73bee0), _1159030)
   Exit: (203) [system] get_char((0x563acd73bee0), ' ')
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1161734)
   Exit: (204) [system] peek_char((0x563acd73bee0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
   Call: (204) [system] '('=(/)
   Fail: (204) [system] '('=(/)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1187908)
   Exit: (192) [system] peek_char((0x563acd73bee0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x563acd73bee0), _1193478)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1195336)
   Exit: (194) [system] peek_char((0x563acd73bee0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] get_char((0x563acd73bee0), _1211346)
   Exit: (193) [system] get_char((0x563acd73bee0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _1193478)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1216916)
   Exit: (195) [system] peek_char((0x563acd73bee0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1232926)
   Exit: (194) [system] peek_char((0x563acd73bee0), '(')
   Call: (194) [system] '('=')'
   Fail: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
   Fail: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x563acd73bee0), _1238496)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1240354)
   Exit: (196) [system] peek_char((0x563acd73bee0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] get_char((0x563acd73bee0), _1256364)
   Exit: (195) [system] get_char((0x563acd73bee0), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _1238496)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1261934)
   Exit: (197) [system] peek_char((0x563acd73bee0), :)
   Call: (197) [system] (:)=(;)
   Fail: (197) [system] (:)=(;)
   Call: (197) [system] (:)=(/)
   Fail: (197) [system] (:)=(/)
^  Call: (197) [user] is_like_space(:)
   Call: (198) [system] char_type(:, 'white')
   Fail: (198) [system] char_type(:, 'white')
   Call: (198) [system] char_type(:, end_of_line)
   Fail: (198) [system] char_type(:, end_of_line)
   Call: (198) [system] char_type(:, space)
   Fail: (198) [system] char_type(:, space)
   Call: (198) [system] char_type(:, cntrl)
   Fail: (198) [system] char_type(:, cntrl)
^  Fail: (197) [user] is_like_space(:)
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1277944)
   Exit: (196) [system] peek_char((0x563acd73bee0), :)
   Call: (196) [system] (:)=')'
   Fail: (196) [system] (:)=')'
   Call: (196) [system] (:)=end_of_file
   Fail: (196) [system] (:)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x563acd73bee0), _1283514)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1285372)
   Exit: (198) [system] peek_char((0x563acd73bee0), :)
   Call: (198) [system] (:)=(;)
   Fail: (198) [system] (:)=(;)
   Call: (198) [system] (:)=(/)
   Fail: (198) [system] (:)=(/)
^  Call: (198) [user] is_like_space(:)
   Call: (199) [system] char_type(:, 'white')
   Fail: (199) [system] char_type(:, 'white')
   Call: (199) [system] char_type(:, end_of_line)
   Fail: (199) [system] char_type(:, end_of_line)
   Call: (199) [system] char_type(:, space)
   Fail: (199) [system] char_type(:, space)
   Call: (199) [system] char_type(:, cntrl)
   Fail: (199) [system] char_type(:, cntrl)
^  Fail: (198) [user] is_like_space(:)
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] get_char((0x563acd73bee0), _1301382)
   Exit: (197) [system] get_char((0x563acd73bee0), :)
   Call: (197) [system] (:)='('
   Fail: (197) [system] (:)='('
   Call: (197) [system] (:)='['
   Fail: (197) [system] (:)='['
   Call: (197) [system] (:)='{'
   Fail: (197) [system] (:)='{'
   Call: (197) [system] (:)='"'
   Fail: (197) [system] (:)='"'
   Call: (197) [system] (:)=!
   Fail: (197) [system] (:)=!
   Call: (197) [system] (:)='\''
   Fail: (197) [system] (:)='\''
   Call: (197) [system] (:)='`'
   Fail: (197) [system] (:)='`'
   Call: (197) [system] (:)=end_of_file
   Fail: (197) [system] (:)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x563acd73bee0), :, _1283514)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _1319024)
   Call: (199) [system] peek_char((0x563acd73bee0), _1319958)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (199) [user] is_delimiter(' ')
   Call: (200) [system] char_type(' ', space)
   Exit: (200) [system] char_type(' ', space)
^  Exit: (199) [user] is_delimiter(' ')
   Call: (199) [system] _1319024=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (198) [user] classify_and_convert_charseq([:], _1283514)
^  Call: (199) [user] classify_and_convert_charseq_([:], _1329242)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_1330194, _1330196), once(user:catch(read_from_chars([:], _1329242), _1330176, fail)), '$restore_trace'(_1330194, _1330196))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_1330194, _1330196))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1330176, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(:)
   Exit: (200) [system] atomic(:)
^  Exit: (199) [user] classify_and_convert_charseq_([:], :)
   Call: (199) [system] integer(:)
   Fail: (199) [system] integer(:)
   Call: (199) [system] _1283514=(:)
   Exit: (199) [system] (:)=(:)
^  Exit: (198) [user] classify_and_convert_charseq([:], :)
^  Exit: (197) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (196) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (196) [user] read_list(')', (0x563acd73bee0), _1342322)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1344180)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x563acd73bee0), _1353774)
   Exit: (198) [system] get_char((0x563acd73bee0), ' ')
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1356478)
   Exit: (199) [system] peek_char((0x563acd73bee0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1373412)
   Exit: (197) [system] peek_char((0x563acd73bee0), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x563acd73bee0), _1378982)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1380840)
   Exit: (199) [system] peek_char((0x563acd73bee0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] get_char((0x563acd73bee0), _1396850)
   Exit: (198) [system] get_char((0x563acd73bee0), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x563acd73bee0), $, _1378982)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _1414492)
   Call: (200) [system] peek_char((0x563acd73bee0), _1415426)
   Exit: (200) [system] peek_char((0x563acd73bee0), p)
^  Call: (200) [user] is_delimiter(p)
   Call: (201) [system] char_type(p, space)
   Fail: (201) [system] char_type(p, space)
   Call: (201) [system] arg(_1420146, v('(', ')', end_of_file), p)
   Fail: (201) [system] arg(_1421078, v('(', ')', end_of_file), p)
^  Fail: (200) [user] is_delimiter(p)
   Call: (200) [system] ')'==p
   Fail: (200) [system] ')'==p
   Call: (200) [system] get_char((0x563acd73bee0), p)
   Exit: (200) [system] get_char((0x563acd73bee0), p)
   Call: (200) [system] p=(\)
   Fail: (200) [system] p=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _1428428)
   Call: (201) [system] peek_char((0x563acd73bee0), _1429362)
   Exit: (201) [system] peek_char((0x563acd73bee0), r)
^  Call: (201) [user] is_delimiter(r)
   Call: (202) [system] char_type(r, space)
   Fail: (202) [system] char_type(r, space)
   Call: (202) [system] arg(_1434082, v('(', ')', end_of_file), r)
   Fail: (202) [system] arg(_1435014, v('(', ')', end_of_file), r)
^  Fail: (201) [user] is_delimiter(r)
   Call: (201) [system] ')'==r
   Fail: (201) [system] ')'==r
   Call: (201) [system] get_char((0x563acd73bee0), r)
   Exit: (201) [system] get_char((0x563acd73bee0), r)
   Call: (201) [system] r=(\)
   Fail: (201) [system] r=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _1442364)
   Call: (202) [system] peek_char((0x563acd73bee0), _1443298)
   Exit: (202) [system] peek_char((0x563acd73bee0), o)
^  Call: (202) [user] is_delimiter(o)
   Call: (203) [system] char_type(o, space)
   Fail: (203) [system] char_type(o, space)
   Call: (203) [system] arg(_1448018, v('(', ')', end_of_file), o)
   Fail: (203) [system] arg(_1448950, v('(', ')', end_of_file), o)
^  Fail: (202) [user] is_delimiter(o)
   Call: (202) [system] ')'==o
   Fail: (202) [system] ')'==o
   Call: (202) [system] get_char((0x563acd73bee0), o)
   Exit: (202) [system] get_char((0x563acd73bee0), o)
   Call: (202) [system] o=(\)
   Fail: (202) [system] o=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1456300)
   Call: (203) [system] peek_char((0x563acd73bee0), _1457234)
   Exit: (203) [system] peek_char((0x563acd73bee0), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Fail: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_1461954, v('(', ')', end_of_file), o)
   Fail: (204) [system] arg(_1462886, v('(', ')', end_of_file), o)
^  Fail: (203) [user] is_delimiter(o)
   Call: (203) [system] ')'==o
   Fail: (203) [system] ')'==o
   Call: (203) [system] get_char((0x563acd73bee0), o)
   Exit: (203) [system] get_char((0x563acd73bee0), o)
   Call: (203) [system] o=(\)
   Fail: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1470236)
   Call: (204) [system] peek_char((0x563acd73bee0), _1471170)
   Exit: (204) [system] peek_char((0x563acd73bee0), f)
^  Call: (204) [user] is_delimiter(f)
   Call: (205) [system] char_type(f, space)
   Fail: (205) [system] char_type(f, space)
   Call: (205) [system] arg(_1475890, v('(', ')', end_of_file), f)
   Fail: (205) [system] arg(_1476822, v('(', ')', end_of_file), f)
^  Fail: (204) [user] is_delimiter(f)
   Call: (204) [system] ')'==f
   Fail: (204) [system] ')'==f
   Call: (204) [system] get_char((0x563acd73bee0), f)
   Exit: (204) [system] get_char((0x563acd73bee0), f)
   Call: (204) [system] f=(\)
   Fail: (204) [system] f=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1484172)
   Call: (205) [system] peek_char((0x563acd73bee0), _1485106)
   Exit: (205) [system] peek_char((0x563acd73bee0), '2')
^  Call: (205) [user] is_delimiter('2')
   Call: (206) [system] char_type('2', space)
   Fail: (206) [system] char_type('2', space)
   Call: (206) [system] arg(_1489826, v('(', ')', end_of_file), '2')
   Fail: (206) [system] arg(_1490758, v('(', ')', end_of_file), '2')
^  Fail: (205) [user] is_delimiter('2')
   Call: (205) [system] ')'=='2'
   Fail: (205) [system] ')'=='2'
   Call: (205) [system] get_char((0x563acd73bee0), '2')
   Exit: (205) [system] get_char((0x563acd73bee0), '2')
   Call: (205) [system] '2'=(\)
   Fail: (205) [system] '2'=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1498108)
   Call: (206) [system] peek_char((0x563acd73bee0), _1499042)
   Exit: (206) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _1498108=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (205) [system] _1484172=['2']
   Exit: (205) [system] ['2']=['2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), ['2'])
   Call: (204) [system] _1470236=[f, '2']
   Exit: (204) [system] [f, '2']=[f, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [f, '2'])
   Call: (203) [system] _1456300=[o, f, '2']
   Exit: (203) [system] [o, f, '2']=[o, f, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, f, '2'])
   Call: (202) [system] _1442364=[o, o, f, '2']
   Exit: (202) [system] [o, o, f, '2']=[o, o, f, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, o, f, '2'])
   Call: (201) [system] _1428428=[r, o, o, f, '2']
   Exit: (201) [system] [r, o, o, f, '2']=[r, o, o, f, '2']
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, o, f, '2'])
   Call: (200) [system] _1414492=[p, r, o, o, f, '2']
   Exit: (200) [system] [p, r, o, o, f, '2']=[p, r, o, o, f, '2']
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, o, o, f, '2'])
^  Call: (199) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _1378982)
^  Call: (200) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _1525090)
   Call: (201) [system] atom_chars(_1526022, ['_', p, r, o, o, f, '2'])
   Exit: (201) [system] atom_chars('_proof2', ['_', p, r, o, o, f, '2'])
^  Exit: (200) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _proof2)
   Call: (200) [system] integer(_proof2)
   Fail: (200) [system] integer(_proof2)
   Call: (200) [system] _1378982=_proof2
   Exit: (200) [system] _proof2=_proof2
^  Exit: (199) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _proof2)
^  Exit: (198) [user] read_symbolic(')', (0x563acd73bee0), $, _proof2)
^  Exit: (197) [user] cont_sexpr(')', (0x563acd73bee0), _proof2)
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _1535314)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1537172)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x563acd73bee0), _1546766)
   Exit: (199) [system] get_char((0x563acd73bee0), ' ')
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1549470)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1566404)
   Exit: (198) [system] peek_char((0x563acd73bee0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x563acd73bee0), _1571974)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1573832)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] get_char((0x563acd73bee0), _1589842)
   Exit: (199) [system] get_char((0x563acd73bee0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x563acd73bee0), $, _1571974)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _1607484)
   Call: (201) [system] peek_char((0x563acd73bee0), _1608418)
   Exit: (201) [system] peek_char((0x563acd73bee0), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_1613138, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_1614070, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x563acd73bee0), p)
   Exit: (201) [system] get_char((0x563acd73bee0), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _1621420)
   Call: (202) [system] peek_char((0x563acd73bee0), _1622354)
   Exit: (202) [system] peek_char((0x563acd73bee0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_1627074, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_1628006, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x563acd73bee0), r)
   Exit: (202) [system] get_char((0x563acd73bee0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1635356)
   Call: (203) [system] peek_char((0x563acd73bee0), _1636290)
   Exit: (203) [system] peek_char((0x563acd73bee0), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Fail: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_1641010, v('(', ')', end_of_file), e)
   Fail: (204) [system] arg(_1641942, v('(', ')', end_of_file), e)
^  Fail: (203) [user] is_delimiter(e)
   Call: (203) [system] ')'==e
   Fail: (203) [system] ')'==e
   Call: (203) [system] get_char((0x563acd73bee0), e)
   Exit: (203) [system] get_char((0x563acd73bee0), e)
   Call: (203) [system] e=(\)
   Fail: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1649292)
   Call: (204) [system] peek_char((0x563acd73bee0), _1650226)
   Exit: (204) [system] peek_char((0x563acd73bee0), m)
^  Call: (204) [user] is_delimiter(m)
   Call: (205) [system] char_type(m, space)
   Fail: (205) [system] char_type(m, space)
   Call: (205) [system] arg(_1654946, v('(', ')', end_of_file), m)
   Fail: (205) [system] arg(_1655878, v('(', ')', end_of_file), m)
^  Fail: (204) [user] is_delimiter(m)
   Call: (204) [system] ')'==m
   Fail: (204) [system] ')'==m
   Call: (204) [system] get_char((0x563acd73bee0), m)
   Exit: (204) [system] get_char((0x563acd73bee0), m)
   Call: (204) [system] m=(\)
   Fail: (204) [system] m=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1663228)
   Call: (205) [system] peek_char((0x563acd73bee0), _1664162)
   Exit: (205) [system] peek_char((0x563acd73bee0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_1668882, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_1669814, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x563acd73bee0), i)
   Exit: (205) [system] get_char((0x563acd73bee0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1677164)
   Call: (206) [system] peek_char((0x563acd73bee0), _1678098)
   Exit: (206) [system] peek_char((0x563acd73bee0), s)
^  Call: (206) [user] is_delimiter(s)
   Call: (207) [system] char_type(s, space)
   Fail: (207) [system] char_type(s, space)
   Call: (207) [system] arg(_1682818, v('(', ')', end_of_file), s)
   Fail: (207) [system] arg(_1683750, v('(', ')', end_of_file), s)
^  Fail: (206) [user] is_delimiter(s)
   Call: (206) [system] ')'==s
   Fail: (206) [system] ')'==s
   Call: (206) [system] get_char((0x563acd73bee0), s)
   Exit: (206) [system] get_char((0x563acd73bee0), s)
   Call: (206) [system] s=(\)
   Fail: (206) [system] s=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1691100)
   Call: (207) [system] peek_char((0x563acd73bee0), _1692034)
   Exit: (207) [system] peek_char((0x563acd73bee0), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_1696754, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_1697686, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x563acd73bee0), e)
   Exit: (207) [system] get_char((0x563acd73bee0), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1705036)
   Call: (208) [system] peek_char((0x563acd73bee0), _1705970)
   Exit: (208) [system] peek_char((0x563acd73bee0), '2')
^  Call: (208) [user] is_delimiter('2')
   Call: (209) [system] char_type('2', space)
   Fail: (209) [system] char_type('2', space)
   Call: (209) [system] arg(_1710690, v('(', ')', end_of_file), '2')
   Fail: (209) [system] arg(_1711622, v('(', ')', end_of_file), '2')
^  Fail: (208) [user] is_delimiter('2')
   Call: (208) [system] ')'=='2'
   Fail: (208) [system] ')'=='2'
   Call: (208) [system] get_char((0x563acd73bee0), '2')
   Exit: (208) [system] get_char((0x563acd73bee0), '2')
   Call: (208) [system] '2'=(\)
   Fail: (208) [system] '2'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1718972)
   Call: (209) [system] peek_char((0x563acd73bee0), _1719906)
   Exit: (209) [system] peek_char((0x563acd73bee0), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_1724626, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _1718972=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (208) [system] _1705036=['2']
   Exit: (208) [system] ['2']=['2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), ['2'])
   Call: (207) [system] _1691100=[e, '2']
   Exit: (207) [system] [e, '2']=[e, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, '2'])
   Call: (206) [system] _1677164=[s, e, '2']
   Exit: (206) [system] [s, e, '2']=[s, e, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, e, '2'])
   Call: (205) [system] _1663228=[i, s, e, '2']
   Exit: (205) [system] [i, s, e, '2']=[i, s, e, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, e, '2'])
   Call: (204) [system] _1649292=[m, i, s, e, '2']
   Exit: (204) [system] [m, i, s, e, '2']=[m, i, s, e, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, i, s, e, '2'])
   Call: (203) [system] _1635356=[e, m, i, s, e, '2']
   Exit: (203) [system] [e, m, i, s, e, '2']=[e, m, i, s, e, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, m, i, s, e, '2'])
   Call: (202) [system] _1621420=[r, e, m, i, s, e, '2']
   Exit: (202) [system] [r, e, m, i, s, e, '2']=[r, e, m, i, s, e, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, e, m, i, s, e, '2'])
   Call: (201) [system] _1607484=[p, r, e, m, i, s, e, '2']
   Exit: (201) [system] [p, r, e, m, i, s, e, '2']=[p, r, e, m, i, s, e, '2']
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, e, m, i, s, e, '2'])
^  Call: (200) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _1571974)
^  Call: (201) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _1753414)
   Call: (202) [system] atom_chars(_1754346, ['_', p, r, e, m, i, s, e, '2'])
   Exit: (202) [system] atom_chars('_premise2', ['_', p, r, e, m, i, s, e, '2'])
^  Exit: (201) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _premise2)
   Call: (201) [system] integer(_premise2)
   Fail: (201) [system] integer(_premise2)
   Call: (201) [system] _1571974=_premise2
   Exit: (201) [system] _premise2=_premise2
^  Exit: (200) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _premise2)
^  Exit: (199) [user] read_symbolic(')', (0x563acd73bee0), $, _premise2)
^  Exit: (198) [user] cont_sexpr(')', (0x563acd73bee0), _premise2)
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _1763638)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1765496)
   Exit: (200) [system] peek_char((0x563acd73bee0), ')')
   Call: (200) [system] ')'=(;)
   Fail: (200) [system] ')'=(;)
   Call: (200) [system] ')'=(/)
   Fail: (200) [system] ')'=(/)
^  Call: (200) [user] is_like_space(')')
   Call: (201) [system] char_type(')', 'white')
   Fail: (201) [system] char_type(')', 'white')
   Call: (201) [system] char_type(')', end_of_line)
   Fail: (201) [system] char_type(')', end_of_line)
   Call: (201) [system] char_type(')', space)
   Fail: (201) [system] char_type(')', space)
   Call: (201) [system] char_type(')', cntrl)
   Fail: (201) [system] char_type(')', cntrl)
^  Fail: (200) [user] is_like_space(')')
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1781506)
   Exit: (199) [system] peek_char((0x563acd73bee0), ')')
   Call: (199) [system] ')'=')'
   Exit: (199) [system] ')'=')'
   Call: (199) [system] get_char((0x563acd73bee0), _1785296)
   Exit: (199) [system] get_char((0x563acd73bee0), ')')
   Call: (199) [system] _1763638=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_list(')', (0x563acd73bee0), [])
   Call: (198) [system] _1535314=[_premise2]
   Exit: (198) [system] [_premise2]=[_premise2]
^  Exit: (197) [user] read_list(')', (0x563acd73bee0), [_premise2])
   Call: (197) [system] _1342322=[_proof2, _premise2]
   Exit: (197) [system] [_proof2, _premise2]=[_proof2, _premise2]
^  Exit: (196) [user] read_list(')', (0x563acd73bee0), [_proof2, _premise2])
   Call: (196) [system] _1238496=[:, _proof2, _premise2]
   Exit: (196) [system] [:, _proof2, _premise2]=[:, _proof2, _premise2]
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), [:, _proof2, _premise2])
^  Exit: (194) [user] cont_sexpr(')', (0x563acd73bee0), [:, _proof2, _premise2])
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _1799178)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1801036)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x563acd73bee0), _1810630)
   Exit: (196) [system] get_char((0x563acd73bee0), ' ')
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1813334)
   Exit: (197) [system] peek_char((0x563acd73bee0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1830268)
   Exit: (195) [system] peek_char((0x563acd73bee0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x563acd73bee0), _1835838)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1837696)
   Exit: (197) [system] peek_char((0x563acd73bee0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] get_char((0x563acd73bee0), _1853706)
   Exit: (196) [system] get_char((0x563acd73bee0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x563acd73bee0), _1835838)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1859276)
   Exit: (198) [system] peek_char((0x563acd73bee0), s)
   Call: (198) [system] s=(;)
   Fail: (198) [system] s=(;)
   Call: (198) [system] s=(/)
   Fail: (198) [system] s=(/)
^  Call: (198) [user] is_like_space(s)
   Call: (199) [system] char_type(s, 'white')
   Fail: (199) [system] char_type(s, 'white')
   Call: (199) [system] char_type(s, end_of_line)
   Fail: (199) [system] char_type(s, end_of_line)
   Call: (199) [system] char_type(s, space)
   Fail: (199) [system] char_type(s, space)
   Call: (199) [system] char_type(s, cntrl)
   Fail: (199) [system] char_type(s, cntrl)
^  Fail: (198) [user] is_like_space(s)
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1875286)
   Exit: (197) [system] peek_char((0x563acd73bee0), s)
   Call: (197) [system] s=')'
   Fail: (197) [system] s=')'
   Call: (197) [system] s=end_of_file
   Fail: (197) [system] s=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x563acd73bee0), _1880856)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1882714)
   Exit: (199) [system] peek_char((0x563acd73bee0), s)
   Call: (199) [system] s=(;)
   Fail: (199) [system] s=(;)
   Call: (199) [system] s=(/)
   Fail: (199) [system] s=(/)
^  Call: (199) [user] is_like_space(s)
   Call: (200) [system] char_type(s, 'white')
   Fail: (200) [system] char_type(s, 'white')
   Call: (200) [system] char_type(s, end_of_line)
   Fail: (200) [system] char_type(s, end_of_line)
   Call: (200) [system] char_type(s, space)
   Fail: (200) [system] char_type(s, space)
   Call: (200) [system] char_type(s, cntrl)
   Fail: (200) [system] char_type(s, cntrl)
^  Fail: (199) [user] is_like_space(s)
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] get_char((0x563acd73bee0), _1898724)
   Exit: (198) [system] get_char((0x563acd73bee0), s)
   Call: (198) [system] s='('
   Fail: (198) [system] s='('
   Call: (198) [system] s='['
   Fail: (198) [system] s='['
   Call: (198) [system] s='{'
   Fail: (198) [system] s='{'
   Call: (198) [system] s='"'
   Fail: (198) [system] s='"'
   Call: (198) [system] s=!
   Fail: (198) [system] s=!
   Call: (198) [system] s='\''
   Fail: (198) [system] s='\''
   Call: (198) [system] s='`'
   Fail: (198) [system] s='`'
   Call: (198) [system] s=end_of_file
   Fail: (198) [system] s=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x563acd73bee0), s, _1880856)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _1916366)
   Call: (200) [system] peek_char((0x563acd73bee0), _1917300)
   Exit: (200) [system] peek_char((0x563acd73bee0), y)
^  Call: (200) [user] is_delimiter(y)
   Call: (201) [system] char_type(y, space)
   Fail: (201) [system] char_type(y, space)
   Call: (201) [system] arg(_1922020, v('(', ')', end_of_file), y)
   Fail: (201) [system] arg(_1922952, v('(', ')', end_of_file), y)
^  Fail: (200) [user] is_delimiter(y)
   Call: (200) [system] ')'==y
   Fail: (200) [system] ')'==y
   Call: (200) [system] get_char((0x563acd73bee0), y)
   Exit: (200) [system] get_char((0x563acd73bee0), y)
   Call: (200) [system] y=(\)
   Fail: (200) [system] y=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _1930302)
   Call: (201) [system] peek_char((0x563acd73bee0), _1931236)
   Exit: (201) [system] peek_char((0x563acd73bee0), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_1935956, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_1936888, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x563acd73bee0), n)
   Exit: (201) [system] get_char((0x563acd73bee0), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _1944238)
   Call: (202) [system] peek_char((0x563acd73bee0), _1945172)
   Exit: (202) [system] peek_char((0x563acd73bee0), t)
^  Call: (202) [user] is_delimiter(t)
   Call: (203) [system] char_type(t, space)
   Fail: (203) [system] char_type(t, space)
   Call: (203) [system] arg(_1949892, v('(', ')', end_of_file), t)
   Fail: (203) [system] arg(_1950824, v('(', ')', end_of_file), t)
^  Fail: (202) [user] is_delimiter(t)
   Call: (202) [system] ')'==t
   Fail: (202) [system] ')'==t
   Call: (202) [system] get_char((0x563acd73bee0), t)
   Exit: (202) [system] get_char((0x563acd73bee0), t)
   Call: (202) [system] t=(\)
   Fail: (202) [system] t=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1958174)
   Call: (203) [system] peek_char((0x563acd73bee0), _1959108)
   Exit: (203) [system] peek_char((0x563acd73bee0), h)
^  Call: (203) [user] is_delimiter(h)
   Call: (204) [system] char_type(h, space)
   Fail: (204) [system] char_type(h, space)
   Call: (204) [system] arg(_1963828, v('(', ')', end_of_file), h)
   Fail: (204) [system] arg(_1964760, v('(', ')', end_of_file), h)
^  Fail: (203) [user] is_delimiter(h)
   Call: (203) [system] ')'==h
   Fail: (203) [system] ')'==h
   Call: (203) [system] get_char((0x563acd73bee0), h)
   Exit: (203) [system] get_char((0x563acd73bee0), h)
   Call: (203) [system] h=(\)
   Fail: (203) [system] h=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1972110)
   Call: (204) [system] peek_char((0x563acd73bee0), _1973044)
   Exit: (204) [system] peek_char((0x563acd73bee0), e)
^  Call: (204) [user] is_delimiter(e)
   Call: (205) [system] char_type(e, space)
   Fail: (205) [system] char_type(e, space)
   Call: (205) [system] arg(_1977764, v('(', ')', end_of_file), e)
   Fail: (205) [system] arg(_1978696, v('(', ')', end_of_file), e)
^  Fail: (204) [user] is_delimiter(e)
   Call: (204) [system] ')'==e
   Fail: (204) [system] ')'==e
   Call: (204) [system] get_char((0x563acd73bee0), e)
   Exit: (204) [system] get_char((0x563acd73bee0), e)
   Call: (204) [system] e=(\)
   Fail: (204) [system] e=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1986046)
   Call: (205) [system] peek_char((0x563acd73bee0), _1986980)
   Exit: (205) [system] peek_char((0x563acd73bee0), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Fail: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_1991700, v('(', ')', end_of_file), s)
   Fail: (206) [system] arg(_1992632, v('(', ')', end_of_file), s)
^  Fail: (205) [user] is_delimiter(s)
   Call: (205) [system] ')'==s
   Fail: (205) [system] ')'==s
   Call: (205) [system] get_char((0x563acd73bee0), s)
   Exit: (205) [system] get_char((0x563acd73bee0), s)
   Call: (205) [system] s=(\)
   Fail: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1999982)
   Call: (206) [system] peek_char((0x563acd73bee0), _2000916)
   Exit: (206) [system] peek_char((0x563acd73bee0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_2005636, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_2006568, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x563acd73bee0), i)
   Exit: (206) [system] get_char((0x563acd73bee0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _2013918)
   Call: (207) [system] peek_char((0x563acd73bee0), _2014852)
   Exit: (207) [system] peek_char((0x563acd73bee0), z)
^  Call: (207) [user] is_delimiter(z)
   Call: (208) [system] char_type(z, space)
   Fail: (208) [system] char_type(z, space)
   Call: (208) [system] arg(_2019572, v('(', ')', end_of_file), z)
   Fail: (208) [system] arg(_2020504, v('(', ')', end_of_file), z)
^  Fail: (207) [user] is_delimiter(z)
   Call: (207) [system] ')'==z
   Fail: (207) [system] ')'==z
   Call: (207) [system] get_char((0x563acd73bee0), z)
   Exit: (207) [system] get_char((0x563acd73bee0), z)
   Call: (207) [system] z=(\)
   Fail: (207) [system] z=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _2027854)
   Call: (208) [system] peek_char((0x563acd73bee0), _2028788)
   Exit: (208) [system] peek_char((0x563acd73bee0), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Fail: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_2033508, v('(', ')', end_of_file), e)
   Fail: (209) [system] arg(_2034440, v('(', ')', end_of_file), e)
^  Fail: (208) [user] is_delimiter(e)
   Call: (208) [system] ')'==e
   Fail: (208) [system] ')'==e
   Call: (208) [system] get_char((0x563acd73bee0), e)
   Exit: (208) [system] get_char((0x563acd73bee0), e)
   Call: (208) [system] e=(\)
   Fail: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _2041790)
   Call: (209) [system] peek_char((0x563acd73bee0), _2042724)
   Exit: (209) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _2041790=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (208) [system] _2027854=[e]
   Exit: (208) [system] [e]=[e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [e])
   Call: (207) [system] _2013918=[z, e]
   Exit: (207) [system] [z, e]=[z, e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [z, e])
   Call: (206) [system] _1999982=[i, z, e]
   Exit: (206) [system] [i, z, e]=[i, z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, z, e])
   Call: (205) [system] _1986046=[s, i, z, e]
   Exit: (205) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, i, z, e])
   Call: (204) [system] _1972110=[e, s, i, z, e]
   Exit: (204) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, s, i, z, e])
   Call: (203) [system] _1958174=[h, e, s, i, z, e]
   Exit: (203) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [h, e, s, i, z, e])
   Call: (202) [system] _1944238=[t, h, e, s, i, z, e]
   Exit: (202) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, h, e, s, i, z, e])
   Call: (201) [system] _1930302=[n, t, h, e, s, i, z, e]
   Exit: (201) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, h, e, s, i, z, e])
   Call: (200) [system] _1916366=[y, n, t, h, e, s, i, z, e]
   Exit: (200) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [y, n, t, h, e, s, i, z, e])
^  Call: (199) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _1880856)
^  Call: (200) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _2077154)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_2078106, _2078108), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _2077154), _2078088, fail)), '$restore_trace'(_2078106, _2078108))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_2078106, _2078108))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _2078088, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(synthesize)
   Exit: (201) [system] atomic(synthesize)
^  Exit: (200) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (200) [system] integer(synthesize)
   Fail: (200) [system] integer(synthesize)
   Call: (200) [system] _1880856=synthesize
   Exit: (200) [system] synthesize=synthesize
^  Exit: (199) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (198) [user] read_symbolic(')', (0x563acd73bee0), s, synthesize)
^  Exit: (197) [user] cont_sexpr(')', (0x563acd73bee0), synthesize)
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _2090234)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _2092092)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x563acd73bee0), _8580)
   Exit: (199) [system] get_char((0x563acd73bee0), ' ')
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _11284)
   Exit: (200) [system] peek_char((0x563acd73bee0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _28218)
   Exit: (198) [system] peek_char((0x563acd73bee0), '(')
   Call: (198) [system] '('=')'
   Fail: (198) [system] '('=')'
   Call: (198) [system] '('=end_of_file
   Fail: (198) [system] '('=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x563acd73bee0), _33788)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _35646)
   Exit: (200) [system] peek_char((0x563acd73bee0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] get_char((0x563acd73bee0), _51656)
   Exit: (199) [system] get_char((0x563acd73bee0), '(')
   Call: (199) [system] '('='('
   Exit: (199) [system] '('='('
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _33788)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _57226)
   Exit: (201) [system] peek_char((0x563acd73bee0), :)
   Call: (201) [system] (:)=(;)
   Fail: (201) [system] (:)=(;)
   Call: (201) [system] (:)=(/)
   Fail: (201) [system] (:)=(/)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Fail: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Fail: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Fail: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
   Fail: (202) [system] char_type(:, cntrl)
^  Fail: (201) [user] is_like_space(:)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _73236)
   Exit: (200) [system] peek_char((0x563acd73bee0), :)
   Call: (200) [system] (:)=')'
   Fail: (200) [system] (:)=')'
   Call: (200) [system] (:)=end_of_file
   Fail: (200) [system] (:)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x563acd73bee0), _78806)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _80664)
   Exit: (202) [system] peek_char((0x563acd73bee0), :)
   Call: (202) [system] (:)=(;)
   Fail: (202) [system] (:)=(;)
   Call: (202) [system] (:)=(/)
   Fail: (202) [system] (:)=(/)
^  Call: (202) [user] is_like_space(:)
   Call: (203) [system] char_type(:, 'white')
   Fail: (203) [system] char_type(:, 'white')
   Call: (203) [system] char_type(:, end_of_line)
   Fail: (203) [system] char_type(:, end_of_line)
   Call: (203) [system] char_type(:, space)
   Fail: (203) [system] char_type(:, space)
   Call: (203) [system] char_type(:, cntrl)
   Fail: (203) [system] char_type(:, cntrl)
^  Fail: (202) [user] is_like_space(:)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] get_char((0x563acd73bee0), _96674)
   Exit: (201) [system] get_char((0x563acd73bee0), :)
   Call: (201) [system] (:)='('
   Fail: (201) [system] (:)='('
   Call: (201) [system] (:)='['
   Fail: (201) [system] (:)='['
   Call: (201) [system] (:)='{'
   Fail: (201) [system] (:)='{'
   Call: (201) [system] (:)='"'
   Fail: (201) [system] (:)='"'
   Call: (201) [system] (:)=!
   Fail: (201) [system] (:)=!
   Call: (201) [system] (:)='\''
   Fail: (201) [system] (:)='\''
   Call: (201) [system] (:)='`'
   Fail: (201) [system] (:)='`'
   Call: (201) [system] (:)=end_of_file
   Fail: (201) [system] (:)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x563acd73bee0), :, _78806)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _114316)
   Call: (203) [system] peek_char((0x563acd73bee0), _115250)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _114316=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (202) [user] classify_and_convert_charseq([:], _78806)
^  Call: (203) [user] classify_and_convert_charseq_([:], _124534)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_125486, _125488), once(user:catch(read_from_chars([:], _124534), _125468, fail)), '$restore_trace'(_125486, _125488))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_125486, _125488))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _125468, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(:)
   Exit: (204) [system] atomic(:)
^  Exit: (203) [user] classify_and_convert_charseq_([:], :)
   Call: (203) [system] integer(:)
   Fail: (203) [system] integer(:)
   Call: (203) [system] _78806=(:)
   Exit: (203) [system] (:)=(:)
^  Exit: (202) [user] classify_and_convert_charseq([:], :)
^  Exit: (201) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (200) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _137614)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _139472)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x563acd73bee0), _149066)
   Exit: (202) [system] get_char((0x563acd73bee0), ' ')
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _151770)
   Exit: (203) [system] peek_char((0x563acd73bee0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _168704)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x563acd73bee0), _174274)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _176132)
   Exit: (203) [system] peek_char((0x563acd73bee0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] get_char((0x563acd73bee0), _192142)
   Exit: (202) [system] get_char((0x563acd73bee0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x563acd73bee0), $, _174274)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _209784)
   Call: (204) [system] peek_char((0x563acd73bee0), _210718)
   Exit: (204) [system] peek_char((0x563acd73bee0), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Fail: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_215438, v('(', ')', end_of_file), p)
   Fail: (205) [system] arg(_216370, v('(', ')', end_of_file), p)
^  Fail: (204) [user] is_delimiter(p)
   Call: (204) [system] ')'==p
   Fail: (204) [system] ')'==p
   Call: (204) [system] get_char((0x563acd73bee0), p)
   Exit: (204) [system] get_char((0x563acd73bee0), p)
   Call: (204) [system] p=(\)
   Fail: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _223720)
   Call: (205) [system] peek_char((0x563acd73bee0), _224654)
   Exit: (205) [system] peek_char((0x563acd73bee0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_229374, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_230306, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x563acd73bee0), r)
   Exit: (205) [system] get_char((0x563acd73bee0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _237656)
   Call: (206) [system] peek_char((0x563acd73bee0), _238590)
   Exit: (206) [system] peek_char((0x563acd73bee0), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_243310, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_244242, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x563acd73bee0), o)
   Exit: (206) [system] get_char((0x563acd73bee0), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _251592)
   Call: (207) [system] peek_char((0x563acd73bee0), _252526)
   Exit: (207) [system] peek_char((0x563acd73bee0), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_257246, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_258178, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x563acd73bee0), o)
   Exit: (207) [system] get_char((0x563acd73bee0), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _265528)
   Call: (208) [system] peek_char((0x563acd73bee0), _266462)
   Exit: (208) [system] peek_char((0x563acd73bee0), f)
^  Call: (208) [user] is_delimiter(f)
   Call: (209) [system] char_type(f, space)
   Fail: (209) [system] char_type(f, space)
   Call: (209) [system] arg(_271182, v('(', ')', end_of_file), f)
   Fail: (209) [system] arg(_272114, v('(', ')', end_of_file), f)
^  Fail: (208) [user] is_delimiter(f)
   Call: (208) [system] ')'==f
   Fail: (208) [system] ')'==f
   Call: (208) [system] get_char((0x563acd73bee0), f)
   Exit: (208) [system] get_char((0x563acd73bee0), f)
   Call: (208) [system] f=(\)
   Fail: (208) [system] f=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _279464)
   Call: (209) [system] peek_char((0x563acd73bee0), _280398)
   Exit: (209) [system] peek_char((0x563acd73bee0), '2')
^  Call: (209) [user] is_delimiter('2')
   Call: (210) [system] char_type('2', space)
   Fail: (210) [system] char_type('2', space)
   Call: (210) [system] arg(_285118, v('(', ')', end_of_file), '2')
   Fail: (210) [system] arg(_286050, v('(', ')', end_of_file), '2')
^  Fail: (209) [user] is_delimiter('2')
   Call: (209) [system] ')'=='2'
   Fail: (209) [system] ')'=='2'
   Call: (209) [system] get_char((0x563acd73bee0), '2')
   Exit: (209) [system] get_char((0x563acd73bee0), '2')
   Call: (209) [system] '2'=(\)
   Fail: (209) [system] '2'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _293400)
   Call: (210) [system] peek_char((0x563acd73bee0), _294334)
   Exit: (210) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _293400=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (209) [system] _279464=['2']
   Exit: (209) [system] ['2']=['2']
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), ['2'])
   Call: (208) [system] _265528=[f, '2']
   Exit: (208) [system] [f, '2']=[f, '2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [f, '2'])
   Call: (207) [system] _251592=[o, f, '2']
   Exit: (207) [system] [o, f, '2']=[o, f, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, f, '2'])
   Call: (206) [system] _237656=[o, o, f, '2']
   Exit: (206) [system] [o, o, f, '2']=[o, o, f, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, o, f, '2'])
   Call: (205) [system] _223720=[r, o, o, f, '2']
   Exit: (205) [system] [r, o, o, f, '2']=[r, o, o, f, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, o, f, '2'])
   Call: (204) [system] _209784=[p, r, o, o, f, '2']
   Exit: (204) [system] [p, r, o, o, f, '2']=[p, r, o, o, f, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, o, o, f, '2'])
^  Call: (203) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _174274)
^  Call: (204) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _320382)
   Call: (205) [system] atom_chars(_321314, ['_', p, r, o, o, f, '2'])
   Exit: (205) [system] atom_chars('_proof2', ['_', p, r, o, o, f, '2'])
^  Exit: (204) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _proof2)
   Call: (204) [system] integer(_proof2)
   Fail: (204) [system] integer(_proof2)
   Call: (204) [system] _174274=_proof2
   Exit: (204) [system] _proof2=_proof2
^  Exit: (203) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _proof2)
^  Exit: (202) [user] read_symbolic(')', (0x563acd73bee0), $, _proof2)
^  Exit: (201) [user] cont_sexpr(')', (0x563acd73bee0), _proof2)
^  Call: (201) [user] read_list(')', (0x563acd73bee0), _330606)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _332464)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x563acd73bee0), _342058)
   Exit: (203) [system] get_char((0x563acd73bee0), ' ')
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _344762)
   Exit: (204) [system] peek_char((0x563acd73bee0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _361696)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=')'
   Fail: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x563acd73bee0), _367266)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _369124)
   Exit: (204) [system] peek_char((0x563acd73bee0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] get_char((0x563acd73bee0), _385134)
   Exit: (203) [system] get_char((0x563acd73bee0), $)
   Call: (203) [system] ($)='('
   Fail: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Fail: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Fail: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Fail: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Fail: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Fail: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Fail: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x563acd73bee0), $, _367266)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _402776)
   Call: (205) [system] peek_char((0x563acd73bee0), _403710)
   Exit: (205) [system] peek_char((0x563acd73bee0), p)
^  Call: (205) [user] is_delimiter(p)
   Call: (206) [system] char_type(p, space)
   Fail: (206) [system] char_type(p, space)
   Call: (206) [system] arg(_408430, v('(', ')', end_of_file), p)
   Fail: (206) [system] arg(_409362, v('(', ')', end_of_file), p)
^  Fail: (205) [user] is_delimiter(p)
   Call: (205) [system] ')'==p
   Fail: (205) [system] ')'==p
   Call: (205) [system] get_char((0x563acd73bee0), p)
   Exit: (205) [system] get_char((0x563acd73bee0), p)
   Call: (205) [system] p=(\)
   Fail: (205) [system] p=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _416712)
   Call: (206) [system] peek_char((0x563acd73bee0), _417646)
   Exit: (206) [system] peek_char((0x563acd73bee0), r)
^  Call: (206) [user] is_delimiter(r)
   Call: (207) [system] char_type(r, space)
   Fail: (207) [system] char_type(r, space)
   Call: (207) [system] arg(_422366, v('(', ')', end_of_file), r)
   Fail: (207) [system] arg(_423298, v('(', ')', end_of_file), r)
^  Fail: (206) [user] is_delimiter(r)
   Call: (206) [system] ')'==r
   Fail: (206) [system] ')'==r
   Call: (206) [system] get_char((0x563acd73bee0), r)
   Exit: (206) [system] get_char((0x563acd73bee0), r)
   Call: (206) [system] r=(\)
   Fail: (206) [system] r=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _430648)
   Call: (207) [system] peek_char((0x563acd73bee0), _431582)
   Exit: (207) [system] peek_char((0x563acd73bee0), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_436302, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_437234, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x563acd73bee0), e)
   Exit: (207) [system] get_char((0x563acd73bee0), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _444584)
   Call: (208) [system] peek_char((0x563acd73bee0), _445518)
   Exit: (208) [system] peek_char((0x563acd73bee0), m)
^  Call: (208) [user] is_delimiter(m)
   Call: (209) [system] char_type(m, space)
   Fail: (209) [system] char_type(m, space)
   Call: (209) [system] arg(_450238, v('(', ')', end_of_file), m)
   Fail: (209) [system] arg(_451170, v('(', ')', end_of_file), m)
^  Fail: (208) [user] is_delimiter(m)
   Call: (208) [system] ')'==m
   Fail: (208) [system] ')'==m
   Call: (208) [system] get_char((0x563acd73bee0), m)
   Exit: (208) [system] get_char((0x563acd73bee0), m)
   Call: (208) [system] m=(\)
   Fail: (208) [system] m=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _458520)
   Call: (209) [system] peek_char((0x563acd73bee0), _459454)
   Exit: (209) [system] peek_char((0x563acd73bee0), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_464174, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_465106, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x563acd73bee0), i)
   Exit: (209) [system] get_char((0x563acd73bee0), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _472456)
   Call: (210) [system] peek_char((0x563acd73bee0), _473390)
   Exit: (210) [system] peek_char((0x563acd73bee0), s)
^  Call: (210) [user] is_delimiter(s)
   Call: (211) [system] char_type(s, space)
   Fail: (211) [system] char_type(s, space)
   Call: (211) [system] arg(_478110, v('(', ')', end_of_file), s)
   Fail: (211) [system] arg(_479042, v('(', ')', end_of_file), s)
^  Fail: (210) [user] is_delimiter(s)
   Call: (210) [system] ')'==s
   Fail: (210) [system] ')'==s
   Call: (210) [system] get_char((0x563acd73bee0), s)
   Exit: (210) [system] get_char((0x563acd73bee0), s)
   Call: (210) [system] s=(\)
   Fail: (210) [system] s=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _486392)
   Call: (211) [system] peek_char((0x563acd73bee0), _487326)
   Exit: (211) [system] peek_char((0x563acd73bee0), e)
^  Call: (211) [user] is_delimiter(e)
   Call: (212) [system] char_type(e, space)
   Fail: (212) [system] char_type(e, space)
   Call: (212) [system] arg(_492046, v('(', ')', end_of_file), e)
   Fail: (212) [system] arg(_492978, v('(', ')', end_of_file), e)
^  Fail: (211) [user] is_delimiter(e)
   Call: (211) [system] ')'==e
   Fail: (211) [system] ')'==e
   Call: (211) [system] get_char((0x563acd73bee0), e)
   Exit: (211) [system] get_char((0x563acd73bee0), e)
   Call: (211) [system] e=(\)
   Fail: (211) [system] e=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _500328)
   Call: (212) [system] peek_char((0x563acd73bee0), _501262)
   Exit: (212) [system] peek_char((0x563acd73bee0), '2')
^  Call: (212) [user] is_delimiter('2')
   Call: (213) [system] char_type('2', space)
   Fail: (213) [system] char_type('2', space)
   Call: (213) [system] arg(_505982, v('(', ')', end_of_file), '2')
   Fail: (213) [system] arg(_506914, v('(', ')', end_of_file), '2')
^  Fail: (212) [user] is_delimiter('2')
   Call: (212) [system] ')'=='2'
   Fail: (212) [system] ')'=='2'
   Call: (212) [system] get_char((0x563acd73bee0), '2')
   Exit: (212) [system] get_char((0x563acd73bee0), '2')
   Call: (212) [system] '2'=(\)
   Fail: (212) [system] '2'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _514264)
   Call: (213) [system] peek_char((0x563acd73bee0), _515198)
   Exit: (213) [system] peek_char((0x563acd73bee0), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_519918, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _514264=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (212) [system] _500328=['2']
   Exit: (212) [system] ['2']=['2']
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), ['2'])
   Call: (211) [system] _486392=[e, '2']
   Exit: (211) [system] [e, '2']=[e, '2']
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, '2'])
   Call: (210) [system] _472456=[s, e, '2']
   Exit: (210) [system] [s, e, '2']=[s, e, '2']
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, e, '2'])
   Call: (209) [system] _458520=[i, s, e, '2']
   Exit: (209) [system] [i, s, e, '2']=[i, s, e, '2']
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, e, '2'])
   Call: (208) [system] _444584=[m, i, s, e, '2']
   Exit: (208) [system] [m, i, s, e, '2']=[m, i, s, e, '2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, i, s, e, '2'])
   Call: (207) [system] _430648=[e, m, i, s, e, '2']
   Exit: (207) [system] [e, m, i, s, e, '2']=[e, m, i, s, e, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, m, i, s, e, '2'])
   Call: (206) [system] _416712=[r, e, m, i, s, e, '2']
   Exit: (206) [system] [r, e, m, i, s, e, '2']=[r, e, m, i, s, e, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, e, m, i, s, e, '2'])
   Call: (205) [system] _402776=[p, r, e, m, i, s, e, '2']
   Exit: (205) [system] [p, r, e, m, i, s, e, '2']=[p, r, e, m, i, s, e, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, e, m, i, s, e, '2'])
^  Call: (204) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _367266)
^  Call: (205) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _548706)
   Call: (206) [system] atom_chars(_549638, ['_', p, r, e, m, i, s, e, '2'])
   Exit: (206) [system] atom_chars('_premise2', ['_', p, r, e, m, i, s, e, '2'])
^  Exit: (205) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _premise2)
   Call: (205) [system] integer(_premise2)
   Fail: (205) [system] integer(_premise2)
   Call: (205) [system] _367266=_premise2
   Exit: (205) [system] _premise2=_premise2
^  Exit: (204) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _premise2)
^  Exit: (203) [user] read_symbolic(')', (0x563acd73bee0), $, _premise2)
^  Exit: (202) [user] cont_sexpr(')', (0x563acd73bee0), _premise2)
^  Call: (202) [user] read_list(')', (0x563acd73bee0), _558930)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _560788)
   Exit: (204) [system] peek_char((0x563acd73bee0), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
   Call: (204) [system] ')'=(/)
   Fail: (204) [system] ')'=(/)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _576798)
   Exit: (203) [system] peek_char((0x563acd73bee0), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x563acd73bee0), _580588)
   Exit: (203) [system] get_char((0x563acd73bee0), ')')
   Call: (203) [system] _558930=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x563acd73bee0), [])
   Call: (202) [system] _330606=[_premise2]
   Exit: (202) [system] [_premise2]=[_premise2]
^  Exit: (201) [user] read_list(')', (0x563acd73bee0), [_premise2])
   Call: (201) [system] _137614=[_proof2, _premise2]
   Exit: (201) [system] [_proof2, _premise2]=[_proof2, _premise2]
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), [_proof2, _premise2])
   Call: (200) [system] _33788=[:, _proof2, _premise2]
   Exit: (200) [system] [:, _proof2, _premise2]=[:, _proof2, _premise2]
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), [:, _proof2, _premise2])
^  Exit: (198) [user] cont_sexpr(')', (0x563acd73bee0), [:, _proof2, _premise2])
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _594470)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _596328)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x563acd73bee0), _605922)
   Exit: (200) [system] get_char((0x563acd73bee0), ' ')
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _608626)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _625560)
   Exit: (199) [system] peek_char((0x563acd73bee0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x563acd73bee0), _631130)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _632988)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] get_char((0x563acd73bee0), _648998)
   Exit: (200) [system] get_char((0x563acd73bee0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x563acd73bee0), $, _631130)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _666640)
   Call: (202) [system] peek_char((0x563acd73bee0), _667574)
   Exit: (202) [system] peek_char((0x563acd73bee0), k)
^  Call: (202) [user] is_delimiter(k)
   Call: (203) [system] char_type(k, space)
   Fail: (203) [system] char_type(k, space)
   Call: (203) [system] arg(_672294, v('(', ')', end_of_file), k)
   Fail: (203) [system] arg(_673226, v('(', ')', end_of_file), k)
^  Fail: (202) [user] is_delimiter(k)
   Call: (202) [system] ')'==k
   Fail: (202) [system] ')'==k
   Call: (202) [system] get_char((0x563acd73bee0), k)
   Exit: (202) [system] get_char((0x563acd73bee0), k)
   Call: (202) [system] k=(\)
   Fail: (202) [system] k=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _680576)
   Call: (203) [system] peek_char((0x563acd73bee0), _681510)
   Exit: (203) [system] peek_char((0x563acd73bee0), b)
^  Call: (203) [user] is_delimiter(b)
   Call: (204) [system] char_type(b, space)
   Fail: (204) [system] char_type(b, space)
   Call: (204) [system] arg(_686230, v('(', ')', end_of_file), b)
   Fail: (204) [system] arg(_687162, v('(', ')', end_of_file), b)
^  Fail: (203) [user] is_delimiter(b)
   Call: (203) [system] ')'==b
   Fail: (203) [system] ')'==b
   Call: (203) [system] get_char((0x563acd73bee0), b)
   Exit: (203) [system] get_char((0x563acd73bee0), b)
   Call: (203) [system] b=(\)
   Fail: (203) [system] b=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _694512)
   Call: (204) [system] peek_char((0x563acd73bee0), _695446)
   Exit: (204) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _694512=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (203) [system] _680576=[b]
   Exit: (203) [system] [b]=[b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
   Call: (202) [system] _666640=[k, b]
   Exit: (202) [system] [k, b]=[k, b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [k, b])
^  Call: (201) [user] classify_and_convert_charseq([$, k, b], _631130)
^  Call: (202) [user] classify_and_convert_charseq_([$, k, b], _710318)
   Call: (203) [system] atom_chars(_711250, ['_', k, b])
   Exit: (203) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (202) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (202) [system] integer(_kb)
   Fail: (202) [system] integer(_kb)
   Call: (202) [system] _631130=_kb
   Exit: (202) [system] _kb=_kb
^  Exit: (201) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (200) [user] read_symbolic(')', (0x563acd73bee0), $, _kb)
^  Exit: (199) [user] cont_sexpr(')', (0x563acd73bee0), _kb)
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _720542)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _722400)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _731994)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _734698)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _751632)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x563acd73bee0), _757202)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _759060)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] get_char((0x563acd73bee0), _775070)
   Exit: (201) [system] get_char((0x563acd73bee0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x563acd73bee0), $, _757202)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _792712)
   Call: (203) [system] peek_char((0x563acd73bee0), _793646)
   Exit: (203) [system] peek_char((0x563acd73bee0), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_798366, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_799298, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x563acd73bee0), r)
   Exit: (203) [system] get_char((0x563acd73bee0), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _806648)
   Call: (204) [system] peek_char((0x563acd73bee0), _807582)
   Exit: (204) [system] peek_char((0x563acd73bee0), b)
^  Call: (204) [user] is_delimiter(b)
   Call: (205) [system] char_type(b, space)
   Fail: (205) [system] char_type(b, space)
   Call: (205) [system] arg(_812302, v('(', ')', end_of_file), b)
   Fail: (205) [system] arg(_813234, v('(', ')', end_of_file), b)
^  Fail: (204) [user] is_delimiter(b)
   Call: (204) [system] ')'==b
   Fail: (204) [system] ')'==b
   Call: (204) [system] get_char((0x563acd73bee0), b)
   Exit: (204) [system] get_char((0x563acd73bee0), b)
   Call: (204) [system] b=(\)
   Fail: (204) [system] b=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _820584)
   Call: (205) [system] peek_char((0x563acd73bee0), _821518)
   Exit: (205) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _820584=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (204) [system] _806648=[b]
   Exit: (204) [system] [b]=[b]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
   Call: (203) [system] _792712=[r, b]
   Exit: (203) [system] [r, b]=[r, b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, b])
^  Call: (202) [user] classify_and_convert_charseq([$, r, b], _757202)
^  Call: (203) [user] classify_and_convert_charseq_([$, r, b], _836390)
   Call: (204) [system] atom_chars(_837322, ['_', r, b])
   Exit: (204) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (203) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (203) [system] integer(_rb)
   Fail: (203) [system] integer(_rb)
   Call: (203) [system] _757202=_rb
   Exit: (203) [system] _rb=_rb
^  Exit: (202) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (201) [user] read_symbolic(')', (0x563acd73bee0), $, _rb)
^  Exit: (200) [user] cont_sexpr(')', (0x563acd73bee0), _rb)
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _846614)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _848472)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x563acd73bee0), _858066)
   Exit: (202) [system] get_char((0x563acd73bee0), ' ')
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _860770)
   Exit: (203) [system] peek_char((0x563acd73bee0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _877704)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x563acd73bee0), _883274)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _885132)
   Exit: (203) [system] peek_char((0x563acd73bee0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] get_char((0x563acd73bee0), _901142)
   Exit: (202) [system] get_char((0x563acd73bee0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x563acd73bee0), $, _883274)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _918784)
   Call: (204) [system] peek_char((0x563acd73bee0), _919718)
   Exit: (204) [system] peek_char((0x563acd73bee0), k)
^  Call: (204) [user] is_delimiter(k)
   Call: (205) [system] char_type(k, space)
   Fail: (205) [system] char_type(k, space)
   Call: (205) [system] arg(_924438, v('(', ')', end_of_file), k)
   Fail: (205) [system] arg(_925370, v('(', ')', end_of_file), k)
^  Fail: (204) [user] is_delimiter(k)
   Call: (204) [system] ')'==k
   Fail: (204) [system] ')'==k
   Call: (204) [system] get_char((0x563acd73bee0), k)
   Exit: (204) [system] get_char((0x563acd73bee0), k)
   Call: (204) [system] k=(\)
   Fail: (204) [system] k=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _932720)
   Call: (205) [system] peek_char((0x563acd73bee0), _933654)
   Exit: (205) [system] peek_char((0x563acd73bee0), ')')
^  Call: (205) [user] is_delimiter(')')
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] arg(_938374, v('(', ')', end_of_file), ')')
   Exit: (206) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (205) [user] is_delimiter(')')
   Call: (205) [system] _932720=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (204) [system] _918784=[k]
   Exit: (204) [system] [k]=[k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
^  Call: (203) [user] classify_and_convert_charseq([$, k], _883274)
^  Call: (204) [user] classify_and_convert_charseq_([$, k], _947604)
   Call: (205) [system] atom_chars(_948536, ['_', k])
   Exit: (205) [system] atom_chars('_k', ['_', k])
^  Exit: (204) [user] classify_and_convert_charseq_([$, k], _k)
   Call: (204) [system] integer(_k)
   Fail: (204) [system] integer(_k)
   Call: (204) [system] _883274=_k
   Exit: (204) [system] _k=_k
^  Exit: (203) [user] classify_and_convert_charseq([$, k], _k)
^  Exit: (202) [user] read_symbolic(')', (0x563acd73bee0), $, _k)
^  Exit: (201) [user] cont_sexpr(')', (0x563acd73bee0), _k)
^  Call: (201) [user] read_list(')', (0x563acd73bee0), _957828)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _959686)
   Exit: (203) [system] peek_char((0x563acd73bee0), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
   Call: (203) [system] ')'=(/)
   Fail: (203) [system] ')'=(/)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _975696)
   Exit: (202) [system] peek_char((0x563acd73bee0), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x563acd73bee0), _979486)
   Exit: (202) [system] get_char((0x563acd73bee0), ')')
   Call: (202) [system] _957828=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x563acd73bee0), [])
   Call: (201) [system] _846614=[_k]
   Exit: (201) [system] [_k]=[_k]
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), [_k])
   Call: (200) [system] _720542=[_rb, _k]
   Exit: (200) [system] [_rb, _k]=[_rb, _k]
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), [_rb, _k])
   Call: (199) [system] _594470=[_kb, _rb, _k]
   Exit: (199) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (198) [user] read_list(')', (0x563acd73bee0), [_kb, _rb, _k])
   Call: (198) [system] _3760=[[:, _proof2, _premise2], _kb, _rb, _k]
   Exit: (198) [system] [[:, _proof2, _premise2], _kb, _rb, _k]=[[:, _proof2, _premise2], _kb, _rb, _k]
^  Exit: (197) [user] read_list(')', (0x563acd73bee0), [[:, _proof2, _premise2], _kb, _rb, _k])
   Call: (197) [system] _3752=[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]
   Exit: (197) [system] [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]=[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]
^  Exit: (196) [user] read_list(')', (0x563acd73bee0), [synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
^  Exit: (195) [user] cont_sexpr(')', (0x563acd73bee0), [synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _998956)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1000814)
   Exit: (197) [system] peek_char((0x563acd73bee0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1016824)
   Exit: (196) [system] peek_char((0x563acd73bee0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x563acd73bee0), _1020614)
   Exit: (196) [system] get_char((0x563acd73bee0), ')')
   Call: (196) [system] _998956=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), [])
   Call: (195) [system] _3748=[[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
   Exit: (195) [system] [[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]=[[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), [[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
   Call: (194) [system] _3714=[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
   Exit: (194) [system] [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]=[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
^  Exit: (192) [user] cont_sexpr(')', (0x563acd73bee0), [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _1031702)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1033560)
   Exit: (194) [system] peek_char((0x563acd73bee0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
   Call: (194) [system] ')'=(/)
   Fail: (194) [system] ')'=(/)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1049570)
   Exit: (193) [system] peek_char((0x563acd73bee0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x563acd73bee0), _1053360)
   Exit: (193) [system] get_char((0x563acd73bee0), ')')
   Call: (193) [system] _1031702=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), [])
   Call: (192) [system] _3710=[[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]]
   Exit: (192) [system] [[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]]=[[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]]
^  Exit: (191) [user] read_list(')', (0x563acd73bee0), [[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]])
   Call: (191) [system] _3598=[[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]]
   Exit: (191) [system] [[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]]=[[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]]
^  Exit: (190) [user] read_list(')', (0x563acd73bee0), [[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]])
   Call: (190) [system] _3524=[[[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]]
   Exit: (190) [system] [[[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]]=[[[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]]
^  Exit: (189) [user] read_list(')', (0x563acd73bee0), [[[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]])
   Call: (189) [system] _3436=[[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]]
   Exit: (189) [system] [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]]=[[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]]
^  Exit: (188) [user] read_list(')', (0x563acd73bee0), [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]])
^  Exit: (187) [user] cont_sexpr(')', (0x563acd73bee0), [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]])
^  Call: (187) [user] read_list(')', (0x563acd73bee0), _1070036)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1071894)
   Exit: (189) [system] peek_char((0x563acd73bee0), '\n')
   Call: (189) [system] '\n'=(;)
   Fail: (189) [system] '\n'=(;)
   Call: (189) [system] '\n'=(/)
   Fail: (189) [system] '\n'=(/)
^  Call: (189) [user] is_like_space('\n')
   Call: (190) [system] char_type('\n', 'white')
   Fail: (190) [system] char_type('\n', 'white')
   Call: (190) [system] char_type('\n', end_of_line)
   Exit: (190) [system] char_type('\n', end_of_line)
^  Exit: (189) [user] is_like_space('\n')
   Call: (189) [system] get_char((0x563acd73bee0), _1083344)
   Exit: (189) [system] get_char((0x563acd73bee0), '\n')
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1086048)
   Exit: (190) [system] peek_char((0x563acd73bee0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x563acd73bee0), _1095642)
   Exit: (190) [system] get_char((0x563acd73bee0), ' ')
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _1098346)
   Exit: (191) [system] peek_char((0x563acd73bee0), ' ')
   Call: (191) [system] ' '=(;)
   Fail: (191) [system] ' '=(;)
   Call: (191) [system] ' '=(/)
   Fail: (191) [system] ' '=(/)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x563acd73bee0), _1107940)
   Exit: (191) [system] get_char((0x563acd73bee0), ' ')
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1110644)
   Exit: (192) [system] peek_char((0x563acd73bee0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x563acd73bee0), _1120238)
   Exit: (192) [system] get_char((0x563acd73bee0), ' ')
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1122942)
   Exit: (193) [system] peek_char((0x563acd73bee0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x563acd73bee0), _1132536)
   Exit: (193) [system] get_char((0x563acd73bee0), ' ')
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1135240)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x563acd73bee0), _1144834)
   Exit: (194) [system] get_char((0x563acd73bee0), ' ')
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1147538)
   Exit: (195) [system] peek_char((0x563acd73bee0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _1169092)
   Exit: (188) [system] peek_char((0x563acd73bee0), $)
   Call: (188) [system] ($)=')'
   Fail: (188) [system] ($)=')'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x563acd73bee0), _1174662)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1176520)
   Exit: (190) [system] peek_char((0x563acd73bee0), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
   Call: (190) [system] ($)=(/)
   Fail: (190) [system] ($)=(/)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] get_char((0x563acd73bee0), _1192530)
   Exit: (189) [system] get_char((0x563acd73bee0), $)
   Call: (189) [system] ($)='('
   Fail: (189) [system] ($)='('
   Call: (189) [system] ($)='['
   Fail: (189) [system] ($)='['
   Call: (189) [system] ($)='{'
   Fail: (189) [system] ($)='{'
   Call: (189) [system] ($)='"'
   Fail: (189) [system] ($)='"'
   Call: (189) [system] ($)=!
   Fail: (189) [system] ($)=!
   Call: (189) [system] ($)='\''
   Fail: (189) [system] ($)='\''
   Call: (189) [system] ($)='`'
   Fail: (189) [system] ($)='`'
   Call: (189) [system] ($)=end_of_file
   Fail: (189) [system] ($)=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x563acd73bee0), $, _1174662)
^  Call: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), _1210172)
   Call: (191) [system] peek_char((0x563acd73bee0), _1211106)
   Exit: (191) [system] peek_char((0x563acd73bee0), q)
^  Call: (191) [user] is_delimiter(q)
   Call: (192) [system] char_type(q, space)
   Fail: (192) [system] char_type(q, space)
   Call: (192) [system] arg(_1215826, v('(', ')', end_of_file), q)
   Fail: (192) [system] arg(_1216758, v('(', ')', end_of_file), q)
^  Fail: (191) [user] is_delimiter(q)
   Call: (191) [system] ')'==q
   Fail: (191) [system] ')'==q
   Call: (191) [system] get_char((0x563acd73bee0), q)
   Exit: (191) [system] get_char((0x563acd73bee0), q)
   Call: (191) [system] q=(\)
   Fail: (191) [system] q=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), _1224108)
   Call: (192) [system] peek_char((0x563acd73bee0), _1225042)
   Exit: (192) [system] peek_char((0x563acd73bee0), u)
^  Call: (192) [user] is_delimiter(u)
   Call: (193) [system] char_type(u, space)
   Fail: (193) [system] char_type(u, space)
   Call: (193) [system] arg(_1229762, v('(', ')', end_of_file), u)
   Fail: (193) [system] arg(_1230694, v('(', ')', end_of_file), u)
^  Fail: (192) [user] is_delimiter(u)
   Call: (192) [system] ')'==u
   Fail: (192) [system] ')'==u
   Call: (192) [system] get_char((0x563acd73bee0), u)
   Exit: (192) [system] get_char((0x563acd73bee0), u)
   Call: (192) [system] u=(\)
   Fail: (192) [system] u=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), _1238044)
   Call: (193) [system] peek_char((0x563acd73bee0), _1238978)
   Exit: (193) [system] peek_char((0x563acd73bee0), e)
^  Call: (193) [user] is_delimiter(e)
   Call: (194) [system] char_type(e, space)
   Fail: (194) [system] char_type(e, space)
   Call: (194) [system] arg(_1243698, v('(', ')', end_of_file), e)
   Fail: (194) [system] arg(_1244630, v('(', ')', end_of_file), e)
^  Fail: (193) [user] is_delimiter(e)
   Call: (193) [system] ')'==e
   Fail: (193) [system] ')'==e
   Call: (193) [system] get_char((0x563acd73bee0), e)
   Exit: (193) [system] get_char((0x563acd73bee0), e)
   Call: (193) [system] e=(\)
   Fail: (193) [system] e=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _1251980)
   Call: (194) [system] peek_char((0x563acd73bee0), _1252914)
   Exit: (194) [system] peek_char((0x563acd73bee0), r)
^  Call: (194) [user] is_delimiter(r)
   Call: (195) [system] char_type(r, space)
   Fail: (195) [system] char_type(r, space)
   Call: (195) [system] arg(_1257634, v('(', ')', end_of_file), r)
   Fail: (195) [system] arg(_1258566, v('(', ')', end_of_file), r)
^  Fail: (194) [user] is_delimiter(r)
   Call: (194) [system] ')'==r
   Fail: (194) [system] ')'==r
   Call: (194) [system] get_char((0x563acd73bee0), r)
   Exit: (194) [system] get_char((0x563acd73bee0), r)
   Call: (194) [system] r=(\)
   Fail: (194) [system] r=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _1265916)
   Call: (195) [system] peek_char((0x563acd73bee0), _1266850)
   Exit: (195) [system] peek_char((0x563acd73bee0), y)
^  Call: (195) [user] is_delimiter(y)
   Call: (196) [system] char_type(y, space)
   Fail: (196) [system] char_type(y, space)
   Call: (196) [system] arg(_1271570, v('(', ')', end_of_file), y)
   Fail: (196) [system] arg(_1272502, v('(', ')', end_of_file), y)
^  Fail: (195) [user] is_delimiter(y)
   Call: (195) [system] ')'==y
   Fail: (195) [system] ')'==y
   Call: (195) [system] get_char((0x563acd73bee0), y)
   Exit: (195) [system] get_char((0x563acd73bee0), y)
   Call: (195) [system] y=(\)
   Fail: (195) [system] y=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _1279852)
   Call: (196) [system] peek_char((0x563acd73bee0), _1280786)
   Exit: (196) [system] peek_char((0x563acd73bee0), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_1285506, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _1279852=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (195) [system] _1265916=[y]
   Exit: (195) [system] [y]=[y]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [y])
   Call: (194) [system] _1251980=[r, y]
   Exit: (194) [system] [r, y]=[r, y]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, y])
   Call: (193) [system] _1238044=[e, r, y]
   Exit: (193) [system] [e, r, y]=[e, r, y]
^  Exit: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, r, y])
   Call: (192) [system] _1224108=[u, e, r, y]
   Exit: (192) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, e, r, y])
   Call: (191) [system] _1210172=[q, u, e, r, y]
   Exit: (191) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), [q, u, e, r, y])
^  Call: (190) [user] classify_and_convert_charseq([$, q, u, e, r, y], _1174662)
^  Call: (191) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _1305912)
   Call: (192) [system] atom_chars(_1306844, ['_', q, u, e, r, y])
   Exit: (192) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (191) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _query)
   Call: (191) [system] integer(_query)
   Fail: (191) [system] integer(_query)
   Call: (191) [system] _1174662=_query
   Exit: (191) [system] _query=_query
^  Exit: (190) [user] classify_and_convert_charseq([$, q, u, e, r, y], _query)
^  Exit: (189) [user] read_symbolic(')', (0x563acd73bee0), $, _query)
^  Exit: (188) [user] cont_sexpr(')', (0x563acd73bee0), _query)
^  Call: (188) [user] read_list(')', (0x563acd73bee0), _1316136)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1317994)
   Exit: (190) [system] peek_char((0x563acd73bee0), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
   Call: (190) [system] ')'=(/)
   Fail: (190) [system] ')'=(/)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1334004)
   Exit: (189) [system] peek_char((0x563acd73bee0), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x563acd73bee0), _1337794)
   Exit: (189) [system] get_char((0x563acd73bee0), ')')
   Call: (189) [system] _1316136=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x563acd73bee0), [])
   Call: (188) [system] _1070036=[_query]
   Exit: (188) [system] [_query]=[_query]
^  Exit: (187) [user] read_list(')', (0x563acd73bee0), [_query])
   Call: (187) [system] _3432=[[[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]
   Exit: (187) [system] [[[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]=[[[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]
^  Exit: (186) [user] read_list(')', (0x563acd73bee0), [[[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query])
   Call: (186) [system] _3424=['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]
   Exit: (186) [system] ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]=['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]
^  Exit: (185) [user] read_list(')', (0x563acd73bee0), ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query])
^  Exit: (184) [user] cont_sexpr(')', (0x563acd73bee0), ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query])
^  Call: (184) [user] read_list(')', (0x563acd73bee0), _1351676)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1353534)
   Exit: (186) [system] peek_char((0x563acd73bee0), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
   Call: (186) [system] ')'=(/)
   Fail: (186) [system] ')'=(/)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _1369544)
   Exit: (185) [system] peek_char((0x563acd73bee0), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x563acd73bee0), _1373334)
   Exit: (185) [system] get_char((0x563acd73bee0), ')')
   Call: (185) [system] _1351676=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x563acd73bee0), [])
   Call: (184) [system] _3420=[['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]
   Exit: (184) [system] [['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]=[['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]
^  Exit: (183) [user] read_list(')', (0x563acd73bee0), [['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
   Call: (183) [system] _3356=[[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]
   Exit: (183) [system] [[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]=[[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]
^  Exit: (182) [user] read_list(')', (0x563acd73bee0), [[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
   Call: (182) [system] _3316=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]
   Exit: (182) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]
^  Exit: (181) [user] read_list(')', (0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (180) [user] cont_sexpr(')', (0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (179) [user] read_sexpr((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Call: (179) [user] assertz(metta_file_comment(59, 0, 1944, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], '$stream_position'(1944, 59, 0, 1944)))
^  Exit: (179) [user] assertz(metta_file_comment(59, 0, 1944, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], '$stream_position'(1944, 59, 0, 1944)))
^  Exit: (177) [system] once(user:(read_position((0x563acd73bee0), 59, 0, 1944, '$stream_position'(1944, 59, 0, 1944)), read_sexpr((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]), assertz(metta_file_comment(59, 0, 1944, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], '$stream_position'(1944, 59, 0, 1944)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_1391852, _1391854, _1391856, _1391858, _1391860))
^  Exit: (177) [user] retract(metta_file_comment(40, 0, 1242, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$stream_position'(1242, 40, 0, 1242)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1394700))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1394700)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1394700)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1397516))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1397516))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1397516)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1400316))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1400316)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1400316)
   Call: (187) [system] var('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
   Call: (187) [system] atom('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
   Call: (187) [system] '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)==true
   Call: (187) [system] '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)==false
   Call: (187) [system] '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)==[_1406836, _1406842]
   Call: (187) [system] is_list('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
   Call: (187) [system] string('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
   Call: (187) [system] compound('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
   Exit: (187) [system] compound('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1411470, _1411472)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT', [";;      rule.  A rule is a function mapping premises to conclusion", 40, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";;      rule.  A rule is a function mapping premises to conclusion", 40, 0], _1415212)
   Call: (188) [apply] apply:maplist_([";;      rule.  A rule is a function mapping premises to conclusion", 40, 0], _1415212, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";;      rule.  A rule is a function mapping premises to conclusion", _1417092)
   Call: (190) [system] var(";;      rule.  A rule is a function mapping premises to conclusion")
   Call: (190) [system] atom(";;      rule.  A rule is a function mapping premises to conclusion")
   Call: (190) [system] ";;      rule.  A rule is a function mapping premises to conclusion"==true
   Call: (190) [system] ";;      rule.  A rule is a function mapping premises to conclusion"==false
   Call: (190) [system] ";;      rule.  A rule is a function mapping premises to conclusion"==[_1421734, _1421740]
   Call: (190) [system] is_list(";;      rule.  A rule is a function mapping premises to conclusion")
   Call: (190) [system] string(";;      rule.  A rule is a function mapping premises to conclusion")
   Exit: (190) [system] string(";;      rule.  A rule is a function mapping premises to conclusion")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";;      rule.  A rule is a function mapping premises to conclusion")
^  Call: (190) [user] symbol(";;      rule.  A rule is a function mapping premises to conclusion")
   Call: (191) [system] atom(";;      rule.  A rule is a function mapping premises to conclusion")
   Fail: (191) [system] atom(";;      rule.  A rule is a function mapping premises to conclusion")
^  Fail: (190) [user] symbol(";;      rule.  A rule is a function mapping premises to conclusion")
   Call: (190) [system] ";;      rule.  A rule is a function mapping premises to conclusion"=_1417092
   Exit: (190) [system] ";;      rule.  A rule is a function mapping premises to conclusion"=";;      rule.  A rule is a function mapping premises to conclusion"
^  Exit: (189) [user] mfix_vars1(";;      rule.  A rule is a function mapping premises to conclusion", ";;      rule.  A rule is a function mapping premises to conclusion")
   Call: (189) [apply] apply:maplist_([40, 0], _1417094, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(40, _1435614)
   Call: (191) [system] var(40)
   Call: (191) [system] atom(40)
   Call: (191) [system] 40==true
   Call: (191) [system] 40==false
   Call: (191) [system] 40==[_1440256, _1440262]
   Call: (191) [system] is_list(40)
   Call: (191) [system] string(40)
   Call: (191) [system] compound(40)
^  Call: (191) [user] symbol(40)
   Call: (192) [system] atom(40)
   Fail: (192) [system] atom(40)
^  Fail: (191) [user] symbol(40)
   Call: (191) [system] 40=_1435614
   Exit: (191) [system] 40=40
^  Exit: (190) [user] mfix_vars1(40, 40)
   Call: (190) [apply] apply:maplist_([0], _1435616, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _1451380)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_1456022, _1456028]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_1451380
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _1451382, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([40, 0], [40, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";;      rule.  A rule is a function mapping premises to conclusion", 40, 0], [";;      rule.  A rule is a function mapping premises to conclusion", 40, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";;      rule.  A rule is a function mapping premises to conclusion", 40, 0], [";;      rule.  A rule is a function mapping premises to conclusion", 40, 0])
   Call: (187) [system] compound_name_arguments(_1400316, '$COMMENT', [";;      rule.  A rule is a function mapping premises to conclusion", 40, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT', [";;      rule.  A rule is a function mapping premises to conclusion", 40, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)))
   Call: (184) [system] '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)\=@='$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1480198))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1480198))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1480198)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1482998))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1482998)
^  Call: (186) [user] cons_to_c('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1482998)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)))
   Call: (184) [system] '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)\=@='$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1394700))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1394700))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1394700)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1496956))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1496956)
^  Call: (186) [user] cons_to_l('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1496956)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)))
   Call: (184) [system] '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)\=@='$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)))
   Call: (178) [system] '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)\=@='$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
^  Exit: (171) [user] read_sform((0x563acd73bee0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
^  Exit: (170) [system] once(user:read_sform((0x563acd73bee0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x563acd73bee0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)))
   Call: (169) [system] '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1727204587.625688), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204587.625688), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)), 58]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), ynthesize_long_1727204587_629323, 58)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1727204587.625688), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204587.625688), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)), 58]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1727204590.5705054)
   Call: (173) [system] arg(1, t(1727204587.625688), _3148)
   Exit: (173) [system] arg(1, t(1727204587.625688), 1727204587.625688)
   Call: (173) [system] _3158 is 1727204590.5705054-1727204587.625688
   Exit: (173) [system] 2.944817304611206 is 1727204590.5705054-1727204587.625688
   Call: (173) [system] 2.944817304611206>4
   Fail: (173) [system] 2.944817304611206>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1727204587.625688), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204587.625688), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)), 58]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 6)
   Call: (175) [system] atom(6+1)
   Call: (175) [system] set_flag(translated_forms, 7)
   Exit: (175) [system] set_flag(translated_forms, 7)
   Exit: (174) [$syspreds] update_flag(translated_forms, 6, 6+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 6, 6+1))
   Exit: (171) [$syspreds] flag(translated_forms, 6, 6+1)
^  Call: (171) [user] write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), ynthesize_long_1727204587_629323, 58)
^  Call: (172) [user] format((0x563acd7397e0), "/* ~w */~n", [";;      rule.  A rule is a function mapping premises to conclusion"])
^  Exit: (172) [user] format((0x563acd7397e0), "/* ~w */~n", [";;      rule.  A rule is a function mapping premises to conclusion"])
^  Exit: (171) [user] write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), ynthesize_long_1727204587_629323, 58)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1727204587.625688), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204587.625688), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)), 58]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 6, 6+1), write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), ynthesize_long_1727204587_629323, 58)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x563acd73bee0))
   Fail: (169) [system] at_end_of_stream((0x563acd73bee0))
^  Call: (169) [user] must_det_ll(line_count((0x563acd73bee0), _3074))
^  Call: (170) [user] once(user:line_count((0x563acd73bee0), _3074))
   Call: (171) [system] line_count((0x563acd73bee0), _3074)
   Exit: (171) [system] line_count((0x563acd73bee0), 65)
^  Exit: (170) [system] once(user:line_count((0x563acd73bee0), 65))
^  Exit: (169) [user] must_det_ll(user:line_count((0x563acd73bee0), 65))
^  Call: (169) [user] must_det_ll(read_sform((0x563acd73bee0), _3084))
^  Call: (170) [user] once(user:read_sform((0x563acd73bee0), _3084))
^  Call: (171) [user] read_sform((0x563acd73bee0), _3084)
   Call: (172) [system] string((0x563acd73bee0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
   Call: (173) [system] string((0x563acd73bee0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), _3084)
   Call: (174) [system] at_end_of_stream((0x563acd73bee0))
   Call: (174) [system] peek_char((0x563acd73bee0), _1571740)
   Exit: (174) [system] peek_char((0x563acd73bee0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x563acd73bee0), '\n')
   Exit: (174) [system] get_char((0x563acd73bee0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x563acd73bee0), _3084)
   Call: (175) [system] at_end_of_stream((0x563acd73bee0))
   Call: (175) [system] peek_char((0x563acd73bee0), _1579162)
   Exit: (175) [system] peek_char((0x563acd73bee0), ;)
   Call: (175) [system] char_type(;, space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
   Call: (176) [system] string((0x563acd73bee0))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), _3084)
   Call: (177) [system] at_end_of_stream((0x563acd73bee0))
   Call: (177) [system] peek_char((0x563acd73bee0), _1587500)
   Exit: (177) [system] peek_char((0x563acd73bee0), ;)
   Call: (177) [system] char_type(;, space)
   Call: (177) [system] _1590286=(0x563acd73bee0)
   Exit: (177) [system] (0x563acd73bee0)=(0x563acd73bee0)
^  Call: (177) [user] once((read_position((0x563acd73bee0), _1592154, _1592156, _1592158, _1592160), read_sexpr((0x563acd73bee0), _1592172), assertz(metta_file_comment(_1592154, _1592156, _1592158, _1592172, _1592160))))
^  Call: (179) [user] read_position((0x563acd73bee0), _1592154, _1592156, _1592158, _1592160)
   Call: (180) [system] stream_property((0x563acd73bee0), position(_1592160))
   Call: (181) [system] nonvar((0x563acd73bee0))
   Exit: (181) [system] nonvar((0x563acd73bee0))
   Call: (181) [system] nonvar(position(_1592160))
   Exit: (181) [system] nonvar(position(_1592160))
   Exit: (180) [system] stream_property((0x563acd73bee0), position('$stream_position'(2300, 66, 0, 2300)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(2300, 66, 0, 2300), _1592154)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _1602412)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(2300, 66, 0, 2300), _1592154)
   Exit: (181) [system] arg(2, '$stream_position'(2300, 66, 0, 2300), 66)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(2300, 66, 0, 2300), 66)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(2300, 66, 0, 2300), _1592156)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _1609846)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(2300, 66, 0, 2300), _1592156)
   Exit: (181) [system] arg(3, '$stream_position'(2300, 66, 0, 2300), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(2300, 66, 0, 2300), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(2300, 66, 0, 2300), _1592158)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _1617280)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(2300, 66, 0, 2300), _1592158)
   Exit: (181) [system] arg(1, '$stream_position'(2300, 66, 0, 2300), 2300)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(2300, 66, 0, 2300), 2300)
^  Exit: (179) [user] read_position((0x563acd73bee0), 66, 0, 2300, '$stream_position'(2300, 66, 0, 2300))
^  Call: (179) [user] read_sexpr((0x563acd73bee0), _1592172)
   Call: (180) [system] string((0x563acd73bee0))
   Fail: (180) [system] string((0x563acd73bee0))
^  Call: (180) [user] cont_sexpr(')', (0x563acd73bee0), _1592172)
^  Call: (181) [user] skip_spaces((0x563acd73bee0))
   Call: (182) [system] peek_char((0x563acd73bee0), _1627506)
   Exit: (182) [system] peek_char((0x563acd73bee0), ;)
   Call: (182) [system] (;)=(;)
   Exit: (182) [system] (;)=(;)
^  Call: (182) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (183) [user] read_position((0x563acd73bee0), _1632144, _1632146, _1632148, _1632150)
   Call: (184) [system] stream_property((0x563acd73bee0), position(_1632150))
   Call: (185) [system] nonvar((0x563acd73bee0))
   Exit: (185) [system] nonvar((0x563acd73bee0))
   Call: (185) [system] nonvar(position(_1632150))
   Exit: (185) [system] nonvar(position(_1632150))
   Exit: (184) [system] stream_property((0x563acd73bee0), position('$stream_position'(2300, 66, 0, 2300)))
   Call: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(2300, 66, 0, 2300), _1632144)
   Call: (185) [system] nonvar(line_count)
   Exit: (185) [system] nonvar(line_count)
   Call: (185) [$syspreds] stream_position_field(line_count, _1641438)
   Exit: (185) [$syspreds] stream_position_field(line_count, 2)
   Call: (185) [system] arg(2, '$stream_position'(2300, 66, 0, 2300), _1632144)
   Exit: (185) [system] arg(2, '$stream_position'(2300, 66, 0, 2300), 66)
   Exit: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(2300, 66, 0, 2300), 66)
   Call: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(2300, 66, 0, 2300), _1632146)
   Call: (185) [system] nonvar(line_position)
   Exit: (185) [system] nonvar(line_position)
   Call: (185) [$syspreds] stream_position_field(line_position, _1648872)
   Exit: (185) [$syspreds] stream_position_field(line_position, 3)
   Call: (185) [system] arg(3, '$stream_position'(2300, 66, 0, 2300), _1632146)
   Exit: (185) [system] arg(3, '$stream_position'(2300, 66, 0, 2300), 0)
   Exit: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(2300, 66, 0, 2300), 0)
   Call: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(2300, 66, 0, 2300), _1632148)
   Call: (185) [system] nonvar(char_count)
   Exit: (185) [system] nonvar(char_count)
   Call: (185) [$syspreds] stream_position_field(char_count, _1656306)
   Exit: (185) [$syspreds] stream_position_field(char_count, 1)
   Call: (185) [system] arg(1, '$stream_position'(2300, 66, 0, 2300), _1632148)
   Exit: (185) [system] arg(1, '$stream_position'(2300, 66, 0, 2300), 2300)
   Exit: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(2300, 66, 0, 2300), 2300)
^  Exit: (183) [user] read_position((0x563acd73bee0), 66, 0, 2300, '$stream_position'(2300, 66, 0, 2300))
   Call: (183) [read_util] read_util:read_line_to_string((0x563acd73bee0), _1661900)
   Call: (184) [system] read_string((0x563acd73bee0), '\n', '\r', _1662830, _1662832)
   Exit: (184) [system] read_string((0x563acd73bee0), '\n', '\r', 10, ";; Trinary rule")
   Call: (184) [system] 10\== -1
   Exit: (184) [system] 10\== -1
   Call: (184) [system] _1661900=";; Trinary rule"
   Exit: (184) [system] ";; Trinary rule"=";; Trinary rule"
   Exit: (183) [read_util] read_util:read_line_to_string((0x563acd73bee0), ";; Trinary rule")
^  Call: (183) [user] assertz(metta_file_comment(66, 0, 2300, '$COMMENT'(";; Trinary rule", 66, 0), '$stream_position'(2300, 66, 0, 2300)))
^  Exit: (183) [user] assertz(metta_file_comment(66, 0, 2300, '$COMMENT'(";; Trinary rule", 66, 0), '$stream_position'(2300, 66, 0, 2300)))
^  Exit: (182) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (182) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] peek_char((0x563acd73bee0), _1673092)
   Exit: (183) [system] peek_char((0x563acd73bee0), '(')
   Call: (183) [system] '('=(;)
   Fail: (183) [system] '('=(;)
   Call: (183) [system] '('=(/)
   Fail: (183) [system] '('=(/)
^  Call: (183) [user] is_like_space('(')
   Call: (184) [system] char_type('(', 'white')
   Fail: (184) [system] char_type('(', 'white')
   Call: (184) [system] char_type('(', end_of_line)
   Fail: (184) [system] char_type('(', end_of_line)
   Call: (184) [system] char_type('(', space)
   Fail: (184) [system] char_type('(', space)
   Call: (184) [system] char_type('(', cntrl)
   Fail: (184) [system] char_type('(', cntrl)
^  Fail: (183) [user] is_like_space('(')
^  Exit: (182) [user] skip_spaces((0x563acd73bee0))
^  Exit: (181) [user] skip_spaces((0x563acd73bee0))
   Call: (181) [system] get_char((0x563acd73bee0), _1690026)
   Exit: (181) [system] get_char((0x563acd73bee0), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x563acd73bee0), _1592172)
^  Call: (182) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] peek_char((0x563acd73bee0), _1695596)
   Exit: (183) [system] peek_char((0x563acd73bee0), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
   Call: (183) [system] (=)=(/)
   Fail: (183) [system] (=)=(/)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x563acd73bee0))
   Call: (182) [system] peek_char((0x563acd73bee0), _1711606)
   Exit: (182) [system] peek_char((0x563acd73bee0), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x563acd73bee0), _1717176)
^  Call: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _1719034)
   Exit: (184) [system] peek_char((0x563acd73bee0), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
   Call: (184) [system] (=)=(/)
   Fail: (184) [system] (=)=(/)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] get_char((0x563acd73bee0), _1735044)
   Exit: (183) [system] get_char((0x563acd73bee0), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x563acd73bee0), =, _1717176)
^  Call: (184) [user] read_symbolic_cont(')', (0x563acd73bee0), _1752686)
   Call: (185) [system] peek_char((0x563acd73bee0), _1753620)
   Exit: (185) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _1752686=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (184) [user] classify_and_convert_charseq([=], _1717176)
^  Call: (185) [user] classify_and_convert_charseq_([=], _1762904)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_1763856, _1763858), once(user:catch(read_from_chars([=], _1762904), _1763838, fail)), '$restore_trace'(_1763856, _1763858))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_1763856, _1763858))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _1763838, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(=)
   Exit: (186) [system] atomic(=)
^  Exit: (185) [user] classify_and_convert_charseq_([=], =)
   Call: (185) [system] integer(=)
   Fail: (185) [system] integer(=)
   Call: (185) [system] _1717176=(=)
   Exit: (185) [system] (=)=(=)
^  Exit: (184) [user] classify_and_convert_charseq([=], =)
^  Exit: (183) [user] read_symbolic(')', (0x563acd73bee0), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x563acd73bee0), =)
^  Call: (182) [user] read_list(')', (0x563acd73bee0), _1775984)
^  Call: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _1777842)
   Exit: (184) [system] peek_char((0x563acd73bee0), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
   Call: (184) [system] ' '=(/)
   Fail: (184) [system] ' '=(/)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x563acd73bee0), _1787436)
   Exit: (184) [system] get_char((0x563acd73bee0), ' ')
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _1790140)
   Exit: (185) [system] peek_char((0x563acd73bee0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
^  Exit: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] peek_char((0x563acd73bee0), _1807074)
   Exit: (183) [system] peek_char((0x563acd73bee0), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x563acd73bee0), _1812644)
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _1814502)
   Exit: (185) [system] peek_char((0x563acd73bee0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] get_char((0x563acd73bee0), _1830512)
   Exit: (184) [system] get_char((0x563acd73bee0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x563acd73bee0), _1812644)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1836082)
   Exit: (186) [system] peek_char((0x563acd73bee0), s)
   Call: (186) [system] s=(;)
   Fail: (186) [system] s=(;)
   Call: (186) [system] s=(/)
   Fail: (186) [system] s=(/)
^  Call: (186) [user] is_like_space(s)
   Call: (187) [system] char_type(s, 'white')
   Fail: (187) [system] char_type(s, 'white')
   Call: (187) [system] char_type(s, end_of_line)
   Fail: (187) [system] char_type(s, end_of_line)
   Call: (187) [system] char_type(s, space)
   Fail: (187) [system] char_type(s, space)
   Call: (187) [system] char_type(s, cntrl)
   Fail: (187) [system] char_type(s, cntrl)
^  Fail: (186) [user] is_like_space(s)
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _1852092)
   Exit: (185) [system] peek_char((0x563acd73bee0), s)
   Call: (185) [system] s=')'
   Fail: (185) [system] s=')'
   Call: (185) [system] s=end_of_file
   Fail: (185) [system] s=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x563acd73bee0), _1857662)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _1859520)
   Exit: (187) [system] peek_char((0x563acd73bee0), s)
   Call: (187) [system] s=(;)
   Fail: (187) [system] s=(;)
   Call: (187) [system] s=(/)
   Fail: (187) [system] s=(/)
^  Call: (187) [user] is_like_space(s)
   Call: (188) [system] char_type(s, 'white')
   Fail: (188) [system] char_type(s, 'white')
   Call: (188) [system] char_type(s, end_of_line)
   Fail: (188) [system] char_type(s, end_of_line)
   Call: (188) [system] char_type(s, space)
   Fail: (188) [system] char_type(s, space)
   Call: (188) [system] char_type(s, cntrl)
   Fail: (188) [system] char_type(s, cntrl)
^  Fail: (187) [user] is_like_space(s)
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] get_char((0x563acd73bee0), _1875530)
   Exit: (186) [system] get_char((0x563acd73bee0), s)
   Call: (186) [system] s='('
   Fail: (186) [system] s='('
   Call: (186) [system] s='['
   Fail: (186) [system] s='['
   Call: (186) [system] s='{'
   Fail: (186) [system] s='{'
   Call: (186) [system] s='"'
   Fail: (186) [system] s='"'
   Call: (186) [system] s=!
   Fail: (186) [system] s=!
   Call: (186) [system] s='\''
   Fail: (186) [system] s='\''
   Call: (186) [system] s='`'
   Fail: (186) [system] s='`'
   Call: (186) [system] s=end_of_file
   Fail: (186) [system] s=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x563acd73bee0), s, _1857662)
^  Call: (187) [user] read_symbolic_cont(')', (0x563acd73bee0), _1893172)
   Call: (188) [system] peek_char((0x563acd73bee0), _1894106)
   Exit: (188) [system] peek_char((0x563acd73bee0), y)
^  Call: (188) [user] is_delimiter(y)
   Call: (189) [system] char_type(y, space)
   Fail: (189) [system] char_type(y, space)
   Call: (189) [system] arg(_1898826, v('(', ')', end_of_file), y)
   Fail: (189) [system] arg(_1899758, v('(', ')', end_of_file), y)
^  Fail: (188) [user] is_delimiter(y)
   Call: (188) [system] ')'==y
   Fail: (188) [system] ')'==y
   Call: (188) [system] get_char((0x563acd73bee0), y)
   Exit: (188) [system] get_char((0x563acd73bee0), y)
   Call: (188) [system] y=(\)
   Fail: (188) [system] y=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), _1907108)
   Call: (189) [system] peek_char((0x563acd73bee0), _1908042)
   Exit: (189) [system] peek_char((0x563acd73bee0), n)
^  Call: (189) [user] is_delimiter(n)
   Call: (190) [system] char_type(n, space)
   Fail: (190) [system] char_type(n, space)
   Call: (190) [system] arg(_1912762, v('(', ')', end_of_file), n)
   Fail: (190) [system] arg(_1913694, v('(', ')', end_of_file), n)
^  Fail: (189) [user] is_delimiter(n)
   Call: (189) [system] ')'==n
   Fail: (189) [system] ')'==n
   Call: (189) [system] get_char((0x563acd73bee0), n)
   Exit: (189) [system] get_char((0x563acd73bee0), n)
   Call: (189) [system] n=(\)
   Fail: (189) [system] n=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), _1921044)
   Call: (190) [system] peek_char((0x563acd73bee0), _1921978)
   Exit: (190) [system] peek_char((0x563acd73bee0), t)
^  Call: (190) [user] is_delimiter(t)
   Call: (191) [system] char_type(t, space)
   Fail: (191) [system] char_type(t, space)
   Call: (191) [system] arg(_1926698, v('(', ')', end_of_file), t)
   Fail: (191) [system] arg(_1927630, v('(', ')', end_of_file), t)
^  Fail: (190) [user] is_delimiter(t)
   Call: (190) [system] ')'==t
   Fail: (190) [system] ')'==t
   Call: (190) [system] get_char((0x563acd73bee0), t)
   Exit: (190) [system] get_char((0x563acd73bee0), t)
   Call: (190) [system] t=(\)
   Fail: (190) [system] t=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), _1934980)
   Call: (191) [system] peek_char((0x563acd73bee0), _1935914)
   Exit: (191) [system] peek_char((0x563acd73bee0), h)
^  Call: (191) [user] is_delimiter(h)
   Call: (192) [system] char_type(h, space)
   Fail: (192) [system] char_type(h, space)
   Call: (192) [system] arg(_1940634, v('(', ')', end_of_file), h)
   Fail: (192) [system] arg(_1941566, v('(', ')', end_of_file), h)
^  Fail: (191) [user] is_delimiter(h)
   Call: (191) [system] ')'==h
   Fail: (191) [system] ')'==h
   Call: (191) [system] get_char((0x563acd73bee0), h)
   Exit: (191) [system] get_char((0x563acd73bee0), h)
   Call: (191) [system] h=(\)
   Fail: (191) [system] h=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), _1948916)
   Call: (192) [system] peek_char((0x563acd73bee0), _1949850)
   Exit: (192) [system] peek_char((0x563acd73bee0), e)
^  Call: (192) [user] is_delimiter(e)
   Call: (193) [system] char_type(e, space)
   Fail: (193) [system] char_type(e, space)
   Call: (193) [system] arg(_1954570, v('(', ')', end_of_file), e)
   Fail: (193) [system] arg(_1955502, v('(', ')', end_of_file), e)
^  Fail: (192) [user] is_delimiter(e)
   Call: (192) [system] ')'==e
   Fail: (192) [system] ')'==e
   Call: (192) [system] get_char((0x563acd73bee0), e)
   Exit: (192) [system] get_char((0x563acd73bee0), e)
   Call: (192) [system] e=(\)
   Fail: (192) [system] e=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), _1962852)
   Call: (193) [system] peek_char((0x563acd73bee0), _1963786)
   Exit: (193) [system] peek_char((0x563acd73bee0), s)
^  Call: (193) [user] is_delimiter(s)
   Call: (194) [system] char_type(s, space)
   Fail: (194) [system] char_type(s, space)
   Call: (194) [system] arg(_1968506, v('(', ')', end_of_file), s)
   Fail: (194) [system] arg(_1969438, v('(', ')', end_of_file), s)
^  Fail: (193) [user] is_delimiter(s)
   Call: (193) [system] ')'==s
   Fail: (193) [system] ')'==s
   Call: (193) [system] get_char((0x563acd73bee0), s)
   Exit: (193) [system] get_char((0x563acd73bee0), s)
   Call: (193) [system] s=(\)
   Fail: (193) [system] s=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _1976788)
   Call: (194) [system] peek_char((0x563acd73bee0), _1977722)
   Exit: (194) [system] peek_char((0x563acd73bee0), i)
^  Call: (194) [user] is_delimiter(i)
   Call: (195) [system] char_type(i, space)
   Fail: (195) [system] char_type(i, space)
   Call: (195) [system] arg(_1982442, v('(', ')', end_of_file), i)
   Fail: (195) [system] arg(_1983374, v('(', ')', end_of_file), i)
^  Fail: (194) [user] is_delimiter(i)
   Call: (194) [system] ')'==i
   Fail: (194) [system] ')'==i
   Call: (194) [system] get_char((0x563acd73bee0), i)
   Exit: (194) [system] get_char((0x563acd73bee0), i)
   Call: (194) [system] i=(\)
   Fail: (194) [system] i=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _1990724)
   Call: (195) [system] peek_char((0x563acd73bee0), _1991658)
   Exit: (195) [system] peek_char((0x563acd73bee0), z)
^  Call: (195) [user] is_delimiter(z)
   Call: (196) [system] char_type(z, space)
   Fail: (196) [system] char_type(z, space)
   Call: (196) [system] arg(_1996378, v('(', ')', end_of_file), z)
   Fail: (196) [system] arg(_1997310, v('(', ')', end_of_file), z)
^  Fail: (195) [user] is_delimiter(z)
   Call: (195) [system] ')'==z
   Fail: (195) [system] ')'==z
   Call: (195) [system] get_char((0x563acd73bee0), z)
   Exit: (195) [system] get_char((0x563acd73bee0), z)
   Call: (195) [system] z=(\)
   Fail: (195) [system] z=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _2004660)
   Call: (196) [system] peek_char((0x563acd73bee0), _2005594)
   Exit: (196) [system] peek_char((0x563acd73bee0), e)
^  Call: (196) [user] is_delimiter(e)
   Call: (197) [system] char_type(e, space)
   Fail: (197) [system] char_type(e, space)
   Call: (197) [system] arg(_2010314, v('(', ')', end_of_file), e)
   Fail: (197) [system] arg(_2011246, v('(', ')', end_of_file), e)
^  Fail: (196) [user] is_delimiter(e)
   Call: (196) [system] ')'==e
   Fail: (196) [system] ')'==e
   Call: (196) [system] get_char((0x563acd73bee0), e)
   Exit: (196) [system] get_char((0x563acd73bee0), e)
   Call: (196) [system] e=(\)
   Fail: (196) [system] e=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _2018596)
   Call: (197) [system] peek_char((0x563acd73bee0), _2019530)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _2018596=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (196) [system] _2004660=[e]
   Exit: (196) [system] [e]=[e]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [e])
   Call: (195) [system] _1990724=[z, e]
   Exit: (195) [system] [z, e]=[z, e]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [z, e])
   Call: (194) [system] _1976788=[i, z, e]
   Exit: (194) [system] [i, z, e]=[i, z, e]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, z, e])
   Call: (193) [system] _1962852=[s, i, z, e]
   Exit: (193) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, i, z, e])
   Call: (192) [system] _1948916=[e, s, i, z, e]
   Exit: (192) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, s, i, z, e])
   Call: (191) [system] _1934980=[h, e, s, i, z, e]
   Exit: (191) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), [h, e, s, i, z, e])
   Call: (190) [system] _1921044=[t, h, e, s, i, z, e]
   Exit: (190) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, h, e, s, i, z, e])
   Call: (189) [system] _1907108=[n, t, h, e, s, i, z, e]
   Exit: (189) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, h, e, s, i, z, e])
   Call: (188) [system] _1893172=[y, n, t, h, e, s, i, z, e]
   Exit: (188) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (187) [user] read_symbolic_cont(')', (0x563acd73bee0), [y, n, t, h, e, s, i, z, e])
^  Call: (187) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _1857662)
^  Call: (188) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _2053960)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_2054912, _2054914), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _2053960), _2054894, fail)), '$restore_trace'(_2054912, _2054914))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_2054912, _2054914))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _2054894, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(synthesize)
   Exit: (189) [system] atomic(synthesize)
^  Exit: (188) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (188) [system] integer(synthesize)
   Fail: (188) [system] integer(synthesize)
   Call: (188) [system] _1857662=synthesize
   Exit: (188) [system] synthesize=synthesize
^  Exit: (187) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (186) [user] read_symbolic(')', (0x563acd73bee0), s, synthesize)
^  Exit: (185) [user] cont_sexpr(')', (0x563acd73bee0), synthesize)
^  Call: (185) [user] read_list(')', (0x563acd73bee0), _2067040)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _2068898)
   Exit: (187) [system] peek_char((0x563acd73bee0), ' ')
   Call: (187) [system] ' '=(;)
   Fail: (187) [system] ' '=(;)
   Call: (187) [system] ' '=(/)
   Fail: (187) [system] ' '=(/)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x563acd73bee0), _2078492)
   Exit: (187) [system] get_char((0x563acd73bee0), ' ')
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _2081196)
   Exit: (188) [system] peek_char((0x563acd73bee0), $)
   Call: (188) [system] ($)=(;)
   Fail: (188) [system] ($)=(;)
   Call: (188) [system] ($)=(/)
   Fail: (188) [system] ($)=(/)
^  Call: (188) [user] is_like_space($)
   Call: (189) [system] char_type($, 'white')
   Fail: (189) [system] char_type($, 'white')
   Call: (189) [system] char_type($, end_of_line)
   Fail: (189) [system] char_type($, end_of_line)
   Call: (189) [system] char_type($, space)
   Fail: (189) [system] char_type($, space)
   Call: (189) [system] char_type($, cntrl)
   Fail: (189) [system] char_type($, cntrl)
^  Fail: (188) [user] is_like_space($)
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _4688)
   Exit: (186) [system] peek_char((0x563acd73bee0), $)
   Call: (186) [system] ($)=')'
   Fail: (186) [system] ($)=')'
   Call: (186) [system] ($)=end_of_file
   Fail: (186) [system] ($)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x563acd73bee0), _10258)
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _12116)
   Exit: (188) [system] peek_char((0x563acd73bee0), $)
   Call: (188) [system] ($)=(;)
   Fail: (188) [system] ($)=(;)
   Call: (188) [system] ($)=(/)
   Fail: (188) [system] ($)=(/)
^  Call: (188) [user] is_like_space($)
   Call: (189) [system] char_type($, 'white')
   Fail: (189) [system] char_type($, 'white')
   Call: (189) [system] char_type($, end_of_line)
   Fail: (189) [system] char_type($, end_of_line)
   Call: (189) [system] char_type($, space)
   Fail: (189) [system] char_type($, space)
   Call: (189) [system] char_type($, cntrl)
   Fail: (189) [system] char_type($, cntrl)
^  Fail: (188) [user] is_like_space($)
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] get_char((0x563acd73bee0), _28126)
   Exit: (187) [system] get_char((0x563acd73bee0), $)
   Call: (187) [system] ($)='('
   Fail: (187) [system] ($)='('
   Call: (187) [system] ($)='['
   Fail: (187) [system] ($)='['
   Call: (187) [system] ($)='{'
   Fail: (187) [system] ($)='{'
   Call: (187) [system] ($)='"'
   Fail: (187) [system] ($)='"'
   Call: (187) [system] ($)=!
   Fail: (187) [system] ($)=!
   Call: (187) [system] ($)='\''
   Fail: (187) [system] ($)='\''
   Call: (187) [system] ($)='`'
   Fail: (187) [system] ($)='`'
   Call: (187) [system] ($)=end_of_file
   Fail: (187) [system] ($)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x563acd73bee0), $, _10258)
^  Call: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), _45768)
   Call: (189) [system] peek_char((0x563acd73bee0), _46702)
   Exit: (189) [system] peek_char((0x563acd73bee0), q)
^  Call: (189) [user] is_delimiter(q)
   Call: (190) [system] char_type(q, space)
   Fail: (190) [system] char_type(q, space)
   Call: (190) [system] arg(_51422, v('(', ')', end_of_file), q)
   Fail: (190) [system] arg(_52354, v('(', ')', end_of_file), q)
^  Fail: (189) [user] is_delimiter(q)
   Call: (189) [system] ')'==q
   Fail: (189) [system] ')'==q
   Call: (189) [system] get_char((0x563acd73bee0), q)
   Exit: (189) [system] get_char((0x563acd73bee0), q)
   Call: (189) [system] q=(\)
   Fail: (189) [system] q=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), _59704)
   Call: (190) [system] peek_char((0x563acd73bee0), _60638)
   Exit: (190) [system] peek_char((0x563acd73bee0), u)
^  Call: (190) [user] is_delimiter(u)
   Call: (191) [system] char_type(u, space)
   Fail: (191) [system] char_type(u, space)
   Call: (191) [system] arg(_65358, v('(', ')', end_of_file), u)
   Fail: (191) [system] arg(_66290, v('(', ')', end_of_file), u)
^  Fail: (190) [user] is_delimiter(u)
   Call: (190) [system] ')'==u
   Fail: (190) [system] ')'==u
   Call: (190) [system] get_char((0x563acd73bee0), u)
   Exit: (190) [system] get_char((0x563acd73bee0), u)
   Call: (190) [system] u=(\)
   Fail: (190) [system] u=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), _73640)
   Call: (191) [system] peek_char((0x563acd73bee0), _74574)
   Exit: (191) [system] peek_char((0x563acd73bee0), e)
^  Call: (191) [user] is_delimiter(e)
   Call: (192) [system] char_type(e, space)
   Fail: (192) [system] char_type(e, space)
   Call: (192) [system] arg(_79294, v('(', ')', end_of_file), e)
   Fail: (192) [system] arg(_80226, v('(', ')', end_of_file), e)
^  Fail: (191) [user] is_delimiter(e)
   Call: (191) [system] ')'==e
   Fail: (191) [system] ')'==e
   Call: (191) [system] get_char((0x563acd73bee0), e)
   Exit: (191) [system] get_char((0x563acd73bee0), e)
   Call: (191) [system] e=(\)
   Fail: (191) [system] e=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), _87576)
   Call: (192) [system] peek_char((0x563acd73bee0), _88510)
   Exit: (192) [system] peek_char((0x563acd73bee0), r)
^  Call: (192) [user] is_delimiter(r)
   Call: (193) [system] char_type(r, space)
   Fail: (193) [system] char_type(r, space)
   Call: (193) [system] arg(_93230, v('(', ')', end_of_file), r)
   Fail: (193) [system] arg(_94162, v('(', ')', end_of_file), r)
^  Fail: (192) [user] is_delimiter(r)
   Call: (192) [system] ')'==r
   Fail: (192) [system] ')'==r
   Call: (192) [system] get_char((0x563acd73bee0), r)
   Exit: (192) [system] get_char((0x563acd73bee0), r)
   Call: (192) [system] r=(\)
   Fail: (192) [system] r=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), _101512)
   Call: (193) [system] peek_char((0x563acd73bee0), _102446)
   Exit: (193) [system] peek_char((0x563acd73bee0), y)
^  Call: (193) [user] is_delimiter(y)
   Call: (194) [system] char_type(y, space)
   Fail: (194) [system] char_type(y, space)
   Call: (194) [system] arg(_107166, v('(', ')', end_of_file), y)
   Fail: (194) [system] arg(_108098, v('(', ')', end_of_file), y)
^  Fail: (193) [user] is_delimiter(y)
   Call: (193) [system] ')'==y
   Fail: (193) [system] ')'==y
   Call: (193) [system] get_char((0x563acd73bee0), y)
   Exit: (193) [system] get_char((0x563acd73bee0), y)
   Call: (193) [system] y=(\)
   Fail: (193) [system] y=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _115448)
   Call: (194) [system] peek_char((0x563acd73bee0), _116382)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _115448=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (193) [system] _101512=[y]
   Exit: (193) [system] [y]=[y]
^  Exit: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), [y])
   Call: (192) [system] _87576=[r, y]
   Exit: (192) [system] [r, y]=[r, y]
^  Exit: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, y])
   Call: (191) [system] _73640=[e, r, y]
   Exit: (191) [system] [e, r, y]=[e, r, y]
^  Exit: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, r, y])
   Call: (190) [system] _59704=[u, e, r, y]
   Exit: (190) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, e, r, y])
   Call: (189) [system] _45768=[q, u, e, r, y]
   Exit: (189) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), [q, u, e, r, y])
^  Call: (188) [user] classify_and_convert_charseq([$, q, u, e, r, y], _10258)
^  Call: (189) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _139636)
   Call: (190) [system] atom_chars(_140568, ['_', q, u, e, r, y])
   Exit: (190) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (189) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _query)
   Call: (189) [system] integer(_query)
   Fail: (189) [system] integer(_query)
   Call: (189) [system] _10258=_query
   Exit: (189) [system] _query=_query
^  Exit: (188) [user] classify_and_convert_charseq([$, q, u, e, r, y], _query)
^  Exit: (187) [user] read_symbolic(')', (0x563acd73bee0), $, _query)
^  Exit: (186) [user] cont_sexpr(')', (0x563acd73bee0), _query)
^  Call: (186) [user] read_list(')', (0x563acd73bee0), _149860)
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _151718)
   Exit: (188) [system] peek_char((0x563acd73bee0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x563acd73bee0), _161312)
   Exit: (188) [system] get_char((0x563acd73bee0), ' ')
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _164016)
   Exit: (189) [system] peek_char((0x563acd73bee0), $)
   Call: (189) [system] ($)=(;)
   Fail: (189) [system] ($)=(;)
   Call: (189) [system] ($)=(/)
   Fail: (189) [system] ($)=(/)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Fail: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Fail: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Fail: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
   Fail: (190) [system] char_type($, cntrl)
^  Fail: (189) [user] is_like_space($)
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _180950)
   Exit: (187) [system] peek_char((0x563acd73bee0), $)
   Call: (187) [system] ($)=')'
   Fail: (187) [system] ($)=')'
   Call: (187) [system] ($)=end_of_file
   Fail: (187) [system] ($)=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x563acd73bee0), _186520)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _188378)
   Exit: (189) [system] peek_char((0x563acd73bee0), $)
   Call: (189) [system] ($)=(;)
   Fail: (189) [system] ($)=(;)
   Call: (189) [system] ($)=(/)
   Fail: (189) [system] ($)=(/)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Fail: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Fail: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Fail: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
   Fail: (190) [system] char_type($, cntrl)
^  Fail: (189) [user] is_like_space($)
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] get_char((0x563acd73bee0), _204388)
   Exit: (188) [system] get_char((0x563acd73bee0), $)
   Call: (188) [system] ($)='('
   Fail: (188) [system] ($)='('
   Call: (188) [system] ($)='['
   Fail: (188) [system] ($)='['
   Call: (188) [system] ($)='{'
   Fail: (188) [system] ($)='{'
   Call: (188) [system] ($)='"'
   Fail: (188) [system] ($)='"'
   Call: (188) [system] ($)=!
   Fail: (188) [system] ($)=!
   Call: (188) [system] ($)='\''
   Fail: (188) [system] ($)='\''
   Call: (188) [system] ($)='`'
   Fail: (188) [system] ($)='`'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x563acd73bee0), $, _186520)
^  Call: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), _222030)
   Call: (190) [system] peek_char((0x563acd73bee0), _222964)
   Exit: (190) [system] peek_char((0x563acd73bee0), k)
^  Call: (190) [user] is_delimiter(k)
   Call: (191) [system] char_type(k, space)
   Fail: (191) [system] char_type(k, space)
   Call: (191) [system] arg(_227684, v('(', ')', end_of_file), k)
   Fail: (191) [system] arg(_228616, v('(', ')', end_of_file), k)
^  Fail: (190) [user] is_delimiter(k)
   Call: (190) [system] ')'==k
   Fail: (190) [system] ')'==k
   Call: (190) [system] get_char((0x563acd73bee0), k)
   Exit: (190) [system] get_char((0x563acd73bee0), k)
   Call: (190) [system] k=(\)
   Fail: (190) [system] k=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), _235966)
   Call: (191) [system] peek_char((0x563acd73bee0), _236900)
   Exit: (191) [system] peek_char((0x563acd73bee0), b)
^  Call: (191) [user] is_delimiter(b)
   Call: (192) [system] char_type(b, space)
   Fail: (192) [system] char_type(b, space)
   Call: (192) [system] arg(_241620, v('(', ')', end_of_file), b)
   Fail: (192) [system] arg(_242552, v('(', ')', end_of_file), b)
^  Fail: (191) [user] is_delimiter(b)
   Call: (191) [system] ')'==b
   Fail: (191) [system] ')'==b
   Call: (191) [system] get_char((0x563acd73bee0), b)
   Exit: (191) [system] get_char((0x563acd73bee0), b)
   Call: (191) [system] b=(\)
   Fail: (191) [system] b=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), _249902)
   Call: (192) [system] peek_char((0x563acd73bee0), _250836)
   Exit: (192) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _249902=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (191) [system] _235966=[b]
   Exit: (191) [system] [b]=[b]
^  Exit: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
   Call: (190) [system] _222030=[k, b]
   Exit: (190) [system] [k, b]=[k, b]
^  Exit: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), [k, b])
^  Call: (189) [user] classify_and_convert_charseq([$, k, b], _186520)
^  Call: (190) [user] classify_and_convert_charseq_([$, k, b], _265708)
   Call: (191) [system] atom_chars(_266640, ['_', k, b])
   Exit: (191) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (190) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (190) [system] integer(_kb)
   Fail: (190) [system] integer(_kb)
   Call: (190) [system] _186520=_kb
   Exit: (190) [system] _kb=_kb
^  Exit: (189) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (188) [user] read_symbolic(')', (0x563acd73bee0), $, _kb)
^  Exit: (187) [user] cont_sexpr(')', (0x563acd73bee0), _kb)
^  Call: (187) [user] read_list(')', (0x563acd73bee0), _275932)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _277790)
   Exit: (189) [system] peek_char((0x563acd73bee0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x563acd73bee0), _287384)
   Exit: (189) [system] get_char((0x563acd73bee0), ' ')
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _290088)
   Exit: (190) [system] peek_char((0x563acd73bee0), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
   Call: (190) [system] ($)=(/)
   Fail: (190) [system] ($)=(/)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _307022)
   Exit: (188) [system] peek_char((0x563acd73bee0), $)
   Call: (188) [system] ($)=')'
   Fail: (188) [system] ($)=')'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x563acd73bee0), _312592)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _314450)
   Exit: (190) [system] peek_char((0x563acd73bee0), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
   Call: (190) [system] ($)=(/)
   Fail: (190) [system] ($)=(/)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] get_char((0x563acd73bee0), _330460)
   Exit: (189) [system] get_char((0x563acd73bee0), $)
   Call: (189) [system] ($)='('
   Fail: (189) [system] ($)='('
   Call: (189) [system] ($)='['
   Fail: (189) [system] ($)='['
   Call: (189) [system] ($)='{'
   Fail: (189) [system] ($)='{'
   Call: (189) [system] ($)='"'
   Fail: (189) [system] ($)='"'
   Call: (189) [system] ($)=!
   Fail: (189) [system] ($)=!
   Call: (189) [system] ($)='\''
   Fail: (189) [system] ($)='\''
   Call: (189) [system] ($)='`'
   Fail: (189) [system] ($)='`'
   Call: (189) [system] ($)=end_of_file
   Fail: (189) [system] ($)=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x563acd73bee0), $, _312592)
^  Call: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), _348102)
   Call: (191) [system] peek_char((0x563acd73bee0), _349036)
   Exit: (191) [system] peek_char((0x563acd73bee0), r)
^  Call: (191) [user] is_delimiter(r)
   Call: (192) [system] char_type(r, space)
   Fail: (192) [system] char_type(r, space)
   Call: (192) [system] arg(_353756, v('(', ')', end_of_file), r)
   Fail: (192) [system] arg(_354688, v('(', ')', end_of_file), r)
^  Fail: (191) [user] is_delimiter(r)
   Call: (191) [system] ')'==r
   Fail: (191) [system] ')'==r
   Call: (191) [system] get_char((0x563acd73bee0), r)
   Exit: (191) [system] get_char((0x563acd73bee0), r)
   Call: (191) [system] r=(\)
   Fail: (191) [system] r=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), _362038)
   Call: (192) [system] peek_char((0x563acd73bee0), _362972)
   Exit: (192) [system] peek_char((0x563acd73bee0), b)
^  Call: (192) [user] is_delimiter(b)
   Call: (193) [system] char_type(b, space)
   Fail: (193) [system] char_type(b, space)
   Call: (193) [system] arg(_367692, v('(', ')', end_of_file), b)
   Fail: (193) [system] arg(_368624, v('(', ')', end_of_file), b)
^  Fail: (192) [user] is_delimiter(b)
   Call: (192) [system] ')'==b
   Fail: (192) [system] ')'==b
   Call: (192) [system] get_char((0x563acd73bee0), b)
   Exit: (192) [system] get_char((0x563acd73bee0), b)
   Call: (192) [system] b=(\)
   Fail: (192) [system] b=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), _375974)
   Call: (193) [system] peek_char((0x563acd73bee0), _376908)
   Exit: (193) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (193) [user] is_delimiter(' ')
   Call: (194) [system] char_type(' ', space)
   Exit: (194) [system] char_type(' ', space)
^  Exit: (193) [user] is_delimiter(' ')
   Call: (193) [system] _375974=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (192) [system] _362038=[b]
   Exit: (192) [system] [b]=[b]
^  Exit: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
   Call: (191) [system] _348102=[r, b]
   Exit: (191) [system] [r, b]=[r, b]
^  Exit: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, b])
^  Call: (190) [user] classify_and_convert_charseq([$, r, b], _312592)
^  Call: (191) [user] classify_and_convert_charseq_([$, r, b], _391780)
   Call: (192) [system] atom_chars(_392712, ['_', r, b])
   Exit: (192) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (191) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (191) [system] integer(_rb)
   Fail: (191) [system] integer(_rb)
   Call: (191) [system] _312592=_rb
   Exit: (191) [system] _rb=_rb
^  Exit: (190) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (189) [user] read_symbolic(')', (0x563acd73bee0), $, _rb)
^  Exit: (188) [user] cont_sexpr(')', (0x563acd73bee0), _rb)
^  Call: (188) [user] read_list(')', (0x563acd73bee0), _402004)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _403862)
   Exit: (190) [system] peek_char((0x563acd73bee0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x563acd73bee0), _413456)
   Exit: (190) [system] get_char((0x563acd73bee0), ' ')
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _416160)
   Exit: (191) [system] peek_char((0x563acd73bee0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _433094)
   Exit: (189) [system] peek_char((0x563acd73bee0), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x563acd73bee0), _438664)
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _440522)
   Exit: (191) [system] peek_char((0x563acd73bee0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] get_char((0x563acd73bee0), _456532)
   Exit: (190) [system] get_char((0x563acd73bee0), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x563acd73bee0), _438664)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _462102)
   Exit: (192) [system] peek_char((0x563acd73bee0), 'S')
   Call: (192) [system] 'S'=(;)
   Fail: (192) [system] 'S'=(;)
   Call: (192) [system] 'S'=(/)
   Fail: (192) [system] 'S'=(/)
^  Call: (192) [user] is_like_space('S')
   Call: (193) [system] char_type('S', 'white')
   Fail: (193) [system] char_type('S', 'white')
   Call: (193) [system] char_type('S', end_of_line)
   Fail: (193) [system] char_type('S', end_of_line)
   Call: (193) [system] char_type('S', space)
   Fail: (193) [system] char_type('S', space)
   Call: (193) [system] char_type('S', cntrl)
   Fail: (193) [system] char_type('S', cntrl)
^  Fail: (192) [user] is_like_space('S')
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _478112)
   Exit: (191) [system] peek_char((0x563acd73bee0), 'S')
   Call: (191) [system] 'S'=')'
   Fail: (191) [system] 'S'=')'
   Call: (191) [system] 'S'=end_of_file
   Fail: (191) [system] 'S'=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x563acd73bee0), _483682)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _485540)
   Exit: (193) [system] peek_char((0x563acd73bee0), 'S')
   Call: (193) [system] 'S'=(;)
   Fail: (193) [system] 'S'=(;)
   Call: (193) [system] 'S'=(/)
   Fail: (193) [system] 'S'=(/)
^  Call: (193) [user] is_like_space('S')
   Call: (194) [system] char_type('S', 'white')
   Fail: (194) [system] char_type('S', 'white')
   Call: (194) [system] char_type('S', end_of_line)
   Fail: (194) [system] char_type('S', end_of_line)
   Call: (194) [system] char_type('S', space)
   Fail: (194) [system] char_type('S', space)
   Call: (194) [system] char_type('S', cntrl)
   Fail: (194) [system] char_type('S', cntrl)
^  Fail: (193) [user] is_like_space('S')
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] get_char((0x563acd73bee0), _501550)
   Exit: (192) [system] get_char((0x563acd73bee0), 'S')
   Call: (192) [system] 'S'='('
   Fail: (192) [system] 'S'='('
   Call: (192) [system] 'S'='['
   Fail: (192) [system] 'S'='['
   Call: (192) [system] 'S'='{'
   Fail: (192) [system] 'S'='{'
   Call: (192) [system] 'S'='"'
   Fail: (192) [system] 'S'='"'
   Call: (192) [system] 'S'=!
   Fail: (192) [system] 'S'=!
   Call: (192) [system] 'S'='\''
   Fail: (192) [system] 'S'='\''
   Call: (192) [system] 'S'='`'
   Fail: (192) [system] 'S'='`'
   Call: (192) [system] 'S'=end_of_file
   Fail: (192) [system] 'S'=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x563acd73bee0), 'S', _483682)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _519192)
   Call: (194) [system] peek_char((0x563acd73bee0), _520126)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _519192=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (193) [user] classify_and_convert_charseq(['S'], _483682)
^  Call: (194) [user] classify_and_convert_charseq_(['S'], _529410)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_530362, _530364), once(user:catch(read_from_chars(['S'], _529410), _530344, fail)), '$restore_trace'(_530362, _530364))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_530362, _530364))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['S'], _529410), _530344, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(_529410)
   Fail: (195) [system] atomic(_529410)
   Call: (195) [system] atom_chars(_529410, ['S'])
   Exit: (195) [system] atom_chars('S', ['S'])
^  Exit: (194) [user] classify_and_convert_charseq_(['S'], 'S')
   Call: (194) [system] integer('S')
   Fail: (194) [system] integer('S')
   Call: (194) [system] _483682='S'
   Exit: (194) [system] 'S'='S'
^  Exit: (193) [user] classify_and_convert_charseq(['S'], 'S')
^  Exit: (192) [user] read_symbolic(')', (0x563acd73bee0), 'S', 'S')
^  Exit: (191) [user] cont_sexpr(')', (0x563acd73bee0), 'S')
^  Call: (191) [user] read_list(')', (0x563acd73bee0), _544360)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _546218)
   Exit: (193) [system] peek_char((0x563acd73bee0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x563acd73bee0), _555812)
   Exit: (193) [system] get_char((0x563acd73bee0), ' ')
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _558516)
   Exit: (194) [system] peek_char((0x563acd73bee0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _575450)
   Exit: (192) [system] peek_char((0x563acd73bee0), $)
   Call: (192) [system] ($)=')'
   Fail: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x563acd73bee0), _581020)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _582878)
   Exit: (194) [system] peek_char((0x563acd73bee0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] get_char((0x563acd73bee0), _598888)
   Exit: (193) [system] get_char((0x563acd73bee0), $)
   Call: (193) [system] ($)='('
   Fail: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Fail: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Fail: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Fail: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Fail: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Fail: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Fail: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x563acd73bee0), $, _581020)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _616530)
   Call: (195) [system] peek_char((0x563acd73bee0), _617464)
   Exit: (195) [system] peek_char((0x563acd73bee0), k)
^  Call: (195) [user] is_delimiter(k)
   Call: (196) [system] char_type(k, space)
   Fail: (196) [system] char_type(k, space)
   Call: (196) [system] arg(_622184, v('(', ')', end_of_file), k)
   Fail: (196) [system] arg(_623116, v('(', ')', end_of_file), k)
^  Fail: (195) [user] is_delimiter(k)
   Call: (195) [system] ')'==k
   Fail: (195) [system] ')'==k
   Call: (195) [system] get_char((0x563acd73bee0), k)
   Exit: (195) [system] get_char((0x563acd73bee0), k)
   Call: (195) [system] k=(\)
   Fail: (195) [system] k=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _630466)
   Call: (196) [system] peek_char((0x563acd73bee0), _631400)
   Exit: (196) [system] peek_char((0x563acd73bee0), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_636120, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _630466=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (195) [system] _616530=[k]
   Exit: (195) [system] [k]=[k]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
^  Call: (194) [user] classify_and_convert_charseq([$, k], _581020)
^  Call: (195) [user] classify_and_convert_charseq_([$, k], _645350)
   Call: (196) [system] atom_chars(_646282, ['_', k])
   Exit: (196) [system] atom_chars('_k', ['_', k])
^  Exit: (195) [user] classify_and_convert_charseq_([$, k], _k)
   Call: (195) [system] integer(_k)
   Fail: (195) [system] integer(_k)
   Call: (195) [system] _581020=_k
   Exit: (195) [system] _k=_k
^  Exit: (194) [user] classify_and_convert_charseq([$, k], _k)
^  Exit: (193) [user] read_symbolic(')', (0x563acd73bee0), $, _k)
^  Exit: (192) [user] cont_sexpr(')', (0x563acd73bee0), _k)
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _655574)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _657432)
   Exit: (194) [system] peek_char((0x563acd73bee0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
   Call: (194) [system] ')'=(/)
   Fail: (194) [system] ')'=(/)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _673442)
   Exit: (193) [system] peek_char((0x563acd73bee0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x563acd73bee0), _677232)
   Exit: (193) [system] get_char((0x563acd73bee0), ')')
   Call: (193) [system] _655574=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), [])
   Call: (192) [system] _544360=[_k]
   Exit: (192) [system] [_k]=[_k]
^  Exit: (191) [user] read_list(')', (0x563acd73bee0), [_k])
   Call: (191) [system] _438664=['S', _k]
   Exit: (191) [system] ['S', _k]=['S', _k]
^  Exit: (190) [user] read_list(')', (0x563acd73bee0), ['S', _k])
^  Exit: (189) [user] cont_sexpr(')', (0x563acd73bee0), ['S', _k])
^  Call: (189) [user] read_list(')', (0x563acd73bee0), _688320)
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _690178)
   Exit: (191) [system] peek_char((0x563acd73bee0), ')')
   Call: (191) [system] ')'=(;)
   Fail: (191) [system] ')'=(;)
   Call: (191) [system] ')'=(/)
   Fail: (191) [system] ')'=(/)
^  Call: (191) [user] is_like_space(')')
   Call: (192) [system] char_type(')', 'white')
   Fail: (192) [system] char_type(')', 'white')
   Call: (192) [system] char_type(')', end_of_line)
   Fail: (192) [system] char_type(')', end_of_line)
   Call: (192) [system] char_type(')', space)
   Fail: (192) [system] char_type(')', space)
   Call: (192) [system] char_type(')', cntrl)
   Fail: (192) [system] char_type(')', cntrl)
^  Fail: (191) [user] is_like_space(')')
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _706188)
   Exit: (190) [system] peek_char((0x563acd73bee0), ')')
   Call: (190) [system] ')'=')'
   Exit: (190) [system] ')'=')'
   Call: (190) [system] get_char((0x563acd73bee0), _709978)
   Exit: (190) [system] get_char((0x563acd73bee0), ')')
   Call: (190) [system] _688320=[]
   Exit: (190) [system] []=[]
^  Exit: (189) [user] read_list(')', (0x563acd73bee0), [])
   Call: (189) [system] _402004=[['S', _k]]
   Exit: (189) [system] [['S', _k]]=[['S', _k]]
^  Exit: (188) [user] read_list(')', (0x563acd73bee0), [['S', _k]])
   Call: (188) [system] _275932=[_rb, ['S', _k]]
   Exit: (188) [system] [_rb, ['S', _k]]=[_rb, ['S', _k]]
^  Exit: (187) [user] read_list(')', (0x563acd73bee0), [_rb, ['S', _k]])
   Call: (187) [system] _149860=[_kb, _rb, ['S', _k]]
   Exit: (187) [system] [_kb, _rb, ['S', _k]]=[_kb, _rb, ['S', _k]]
^  Exit: (186) [user] read_list(')', (0x563acd73bee0), [_kb, _rb, ['S', _k]])
   Call: (186) [system] _3368=[_query, _kb, _rb, ['S', _k]]
   Exit: (186) [system] [_query, _kb, _rb, ['S', _k]]=[_query, _kb, _rb, ['S', _k]]
^  Exit: (185) [user] read_list(')', (0x563acd73bee0), [_query, _kb, _rb, ['S', _k]])
   Call: (185) [system] _3360=[synthesize, _query, _kb, _rb, ['S', _k]]
   Exit: (185) [system] [synthesize, _query, _kb, _rb, ['S', _k]]=[synthesize, _query, _kb, _rb, ['S', _k]]
^  Exit: (184) [user] read_list(')', (0x563acd73bee0), [synthesize, _query, _kb, _rb, ['S', _k]])
^  Exit: (183) [user] cont_sexpr(')', (0x563acd73bee0), [synthesize, _query, _kb, _rb, ['S', _k]])
^  Call: (183) [user] read_list(')', (0x563acd73bee0), _729448)
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _731306)
   Exit: (185) [system] peek_char((0x563acd73bee0), '\n')
   Call: (185) [system] '\n'=(;)
   Fail: (185) [system] '\n'=(;)
   Call: (185) [system] '\n'=(/)
   Fail: (185) [system] '\n'=(/)
^  Call: (185) [user] is_like_space('\n')
   Call: (186) [system] char_type('\n', 'white')
   Fail: (186) [system] char_type('\n', 'white')
   Call: (186) [system] char_type('\n', end_of_line)
   Exit: (186) [system] char_type('\n', end_of_line)
^  Exit: (185) [user] is_like_space('\n')
   Call: (185) [system] get_char((0x563acd73bee0), _742756)
   Exit: (185) [system] get_char((0x563acd73bee0), '\n')
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _745460)
   Exit: (186) [system] peek_char((0x563acd73bee0), ' ')
   Call: (186) [system] ' '=(;)
   Fail: (186) [system] ' '=(;)
   Call: (186) [system] ' '=(/)
   Fail: (186) [system] ' '=(/)
^  Call: (186) [user] is_like_space(' ')
   Call: (187) [system] char_type(' ', 'white')
   Exit: (187) [system] char_type(' ', 'white')
^  Exit: (186) [user] is_like_space(' ')
   Call: (186) [system] get_char((0x563acd73bee0), _755054)
   Exit: (186) [system] get_char((0x563acd73bee0), ' ')
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _757758)
   Exit: (187) [system] peek_char((0x563acd73bee0), ' ')
   Call: (187) [system] ' '=(;)
   Fail: (187) [system] ' '=(;)
   Call: (187) [system] ' '=(/)
   Fail: (187) [system] ' '=(/)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x563acd73bee0), _767352)
   Exit: (187) [system] get_char((0x563acd73bee0), ' ')
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _770056)
   Exit: (188) [system] peek_char((0x563acd73bee0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x563acd73bee0), _779650)
   Exit: (188) [system] get_char((0x563acd73bee0), ' ')
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _782354)
   Exit: (189) [system] peek_char((0x563acd73bee0), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
   Call: (189) [system] '('=(/)
   Fail: (189) [system] '('=(/)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _802060)
   Exit: (184) [system] peek_char((0x563acd73bee0), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x563acd73bee0), _807630)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _809488)
   Exit: (186) [system] peek_char((0x563acd73bee0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] get_char((0x563acd73bee0), _825498)
   Exit: (185) [system] get_char((0x563acd73bee0), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x563acd73bee0), _807630)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _831068)
   Exit: (187) [system] peek_char((0x563acd73bee0), l)
   Call: (187) [system] l=(;)
   Fail: (187) [system] l=(;)
   Call: (187) [system] l=(/)
   Fail: (187) [system] l=(/)
^  Call: (187) [user] is_like_space(l)
   Call: (188) [system] char_type(l, 'white')
   Fail: (188) [system] char_type(l, 'white')
   Call: (188) [system] char_type(l, end_of_line)
   Fail: (188) [system] char_type(l, end_of_line)
   Call: (188) [system] char_type(l, space)
   Fail: (188) [system] char_type(l, space)
   Call: (188) [system] char_type(l, cntrl)
   Fail: (188) [system] char_type(l, cntrl)
^  Fail: (187) [user] is_like_space(l)
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _847078)
   Exit: (186) [system] peek_char((0x563acd73bee0), l)
   Call: (186) [system] l=')'
   Fail: (186) [system] l=')'
   Call: (186) [system] l=end_of_file
   Fail: (186) [system] l=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x563acd73bee0), _852648)
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _854506)
   Exit: (188) [system] peek_char((0x563acd73bee0), l)
   Call: (188) [system] l=(;)
   Fail: (188) [system] l=(;)
   Call: (188) [system] l=(/)
   Fail: (188) [system] l=(/)
^  Call: (188) [user] is_like_space(l)
   Call: (189) [system] char_type(l, 'white')
   Fail: (189) [system] char_type(l, 'white')
   Call: (189) [system] char_type(l, end_of_line)
   Fail: (189) [system] char_type(l, end_of_line)
   Call: (189) [system] char_type(l, space)
   Fail: (189) [system] char_type(l, space)
   Call: (189) [system] char_type(l, cntrl)
   Fail: (189) [system] char_type(l, cntrl)
^  Fail: (188) [user] is_like_space(l)
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] get_char((0x563acd73bee0), _870516)
   Exit: (187) [system] get_char((0x563acd73bee0), l)
   Call: (187) [system] l='('
   Fail: (187) [system] l='('
   Call: (187) [system] l='['
   Fail: (187) [system] l='['
   Call: (187) [system] l='{'
   Fail: (187) [system] l='{'
   Call: (187) [system] l='"'
   Fail: (187) [system] l='"'
   Call: (187) [system] l=!
   Fail: (187) [system] l=!
   Call: (187) [system] l='\''
   Fail: (187) [system] l='\''
   Call: (187) [system] l='`'
   Fail: (187) [system] l='`'
   Call: (187) [system] l=end_of_file
   Fail: (187) [system] l=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x563acd73bee0), l, _852648)
^  Call: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), _888158)
   Call: (189) [system] peek_char((0x563acd73bee0), _889092)
   Exit: (189) [system] peek_char((0x563acd73bee0), e)
^  Call: (189) [user] is_delimiter(e)
   Call: (190) [system] char_type(e, space)
   Fail: (190) [system] char_type(e, space)
   Call: (190) [system] arg(_893812, v('(', ')', end_of_file), e)
   Fail: (190) [system] arg(_894744, v('(', ')', end_of_file), e)
^  Fail: (189) [user] is_delimiter(e)
   Call: (189) [system] ')'==e
   Fail: (189) [system] ')'==e
   Call: (189) [system] get_char((0x563acd73bee0), e)
   Exit: (189) [system] get_char((0x563acd73bee0), e)
   Call: (189) [system] e=(\)
   Fail: (189) [system] e=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), _902094)
   Call: (190) [system] peek_char((0x563acd73bee0), _903028)
   Exit: (190) [system] peek_char((0x563acd73bee0), t)
^  Call: (190) [user] is_delimiter(t)
   Call: (191) [system] char_type(t, space)
   Fail: (191) [system] char_type(t, space)
   Call: (191) [system] arg(_907748, v('(', ')', end_of_file), t)
   Fail: (191) [system] arg(_908680, v('(', ')', end_of_file), t)
^  Fail: (190) [user] is_delimiter(t)
   Call: (190) [system] ')'==t
   Fail: (190) [system] ')'==t
   Call: (190) [system] get_char((0x563acd73bee0), t)
   Exit: (190) [system] get_char((0x563acd73bee0), t)
   Call: (190) [system] t=(\)
   Fail: (190) [system] t=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), _916030)
   Call: (191) [system] peek_char((0x563acd73bee0), _916964)
   Exit: (191) [system] peek_char((0x563acd73bee0), *)
^  Call: (191) [user] is_delimiter(*)
   Call: (192) [system] char_type(*, space)
   Fail: (192) [system] char_type(*, space)
   Call: (192) [system] arg(_921684, v('(', ')', end_of_file), *)
   Fail: (192) [system] arg(_922616, v('(', ')', end_of_file), *)
^  Fail: (191) [user] is_delimiter(*)
   Call: (191) [system] ')'==(*)
   Fail: (191) [system] ')'==(*)
   Call: (191) [system] get_char((0x563acd73bee0), *)
   Exit: (191) [system] get_char((0x563acd73bee0), *)
   Call: (191) [system] (*)=(\)
   Fail: (191) [system] (*)=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), _929966)
   Call: (192) [system] peek_char((0x563acd73bee0), _930900)
   Exit: (192) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _929966=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (191) [system] _916030=[*]
   Exit: (191) [system] [*]=[*]
^  Exit: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), [*])
   Call: (190) [system] _902094=[t, *]
   Exit: (190) [system] [t, *]=[t, *]
^  Exit: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, *])
   Call: (189) [system] _888158=[e, t, *]
   Exit: (189) [system] [e, t, *]=[e, t, *]
^  Exit: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, t, *])
^  Call: (188) [user] classify_and_convert_charseq([l, e, t, *], _852648)
^  Call: (189) [user] classify_and_convert_charseq_([l, e, t, *], _948566)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_949518, _949520), once(user:catch(read_from_chars([l, e, t, *], _948566), _949500, fail)), '$restore_trace'(_949518, _949520))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_949518, _949520))
   Call: (190) [system] atom_chars(_3460, [l, e, t, *])
   Exit: (190) [system] atom_chars('let*', [l, e, t, *])
^  Exit: (189) [user] classify_and_convert_charseq_([l, e, t, *], 'let*')
   Call: (189) [system] integer('let*')
   Fail: (189) [system] integer('let*')
   Call: (189) [system] _3430='let*'
   Exit: (189) [system] 'let*'='let*'
^  Exit: (188) [user] classify_and_convert_charseq([l, e, t, *], 'let*')
^  Exit: (187) [user] read_symbolic(')', (0x563acd73bee0), l, 'let*')
^  Exit: (186) [user] cont_sexpr(')', (0x563acd73bee0), 'let*')
^  Call: (186) [user] read_list(')', (0x563acd73bee0), _12826)
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _14684)
   Exit: (188) [system] peek_char((0x563acd73bee0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x563acd73bee0), _24278)
   Exit: (188) [system] get_char((0x563acd73bee0), ' ')
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _26982)
   Exit: (189) [system] peek_char((0x563acd73bee0), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
   Call: (189) [system] '('=(/)
   Fail: (189) [system] '('=(/)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _43916)
   Exit: (187) [system] peek_char((0x563acd73bee0), '(')
   Call: (187) [system] '('=')'
   Fail: (187) [system] '('=')'
   Call: (187) [system] '('=end_of_file
   Fail: (187) [system] '('=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x563acd73bee0), _49486)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _51344)
   Exit: (189) [system] peek_char((0x563acd73bee0), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
   Call: (189) [system] '('=(/)
   Fail: (189) [system] '('=(/)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] get_char((0x563acd73bee0), _67354)
   Exit: (188) [system] get_char((0x563acd73bee0), '(')
   Call: (188) [system] '('='('
   Exit: (188) [system] '('='('
^  Call: (188) [user] read_list(')', (0x563acd73bee0), _49486)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _72924)
   Exit: (190) [system] peek_char((0x563acd73bee0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _88934)
   Exit: (189) [system] peek_char((0x563acd73bee0), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x563acd73bee0), _94504)
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _96362)
   Exit: (191) [system] peek_char((0x563acd73bee0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] get_char((0x563acd73bee0), _112372)
   Exit: (190) [system] get_char((0x563acd73bee0), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x563acd73bee0), _94504)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _117942)
   Exit: (192) [system] peek_char((0x563acd73bee0), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
   Call: (192) [system] '('=(/)
   Fail: (192) [system] '('=(/)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _133952)
   Exit: (191) [system] peek_char((0x563acd73bee0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x563acd73bee0), _139522)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _141380)
   Exit: (193) [system] peek_char((0x563acd73bee0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] get_char((0x563acd73bee0), _157390)
   Exit: (192) [system] get_char((0x563acd73bee0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _139522)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _162960)
   Exit: (194) [system] peek_char((0x563acd73bee0), :)
   Call: (194) [system] (:)=(;)
   Fail: (194) [system] (:)=(;)
   Call: (194) [system] (:)=(/)
   Fail: (194) [system] (:)=(/)
^  Call: (194) [user] is_like_space(:)
   Call: (195) [system] char_type(:, 'white')
   Fail: (195) [system] char_type(:, 'white')
   Call: (195) [system] char_type(:, end_of_line)
   Fail: (195) [system] char_type(:, end_of_line)
   Call: (195) [system] char_type(:, space)
   Fail: (195) [system] char_type(:, space)
   Call: (195) [system] char_type(:, cntrl)
   Fail: (195) [system] char_type(:, cntrl)
^  Fail: (194) [user] is_like_space(:)
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _178970)
   Exit: (193) [system] peek_char((0x563acd73bee0), :)
   Call: (193) [system] (:)=')'
   Fail: (193) [system] (:)=')'
   Call: (193) [system] (:)=end_of_file
   Fail: (193) [system] (:)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x563acd73bee0), _184540)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _186398)
   Exit: (195) [system] peek_char((0x563acd73bee0), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
   Call: (195) [system] (:)=(/)
   Fail: (195) [system] (:)=(/)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] get_char((0x563acd73bee0), _202408)
   Exit: (194) [system] get_char((0x563acd73bee0), :)
   Call: (194) [system] (:)='('
   Fail: (194) [system] (:)='('
   Call: (194) [system] (:)='['
   Fail: (194) [system] (:)='['
   Call: (194) [system] (:)='{'
   Fail: (194) [system] (:)='{'
   Call: (194) [system] (:)='"'
   Fail: (194) [system] (:)='"'
   Call: (194) [system] (:)=!
   Fail: (194) [system] (:)=!
   Call: (194) [system] (:)='\''
   Fail: (194) [system] (:)='\''
   Call: (194) [system] (:)='`'
   Fail: (194) [system] (:)='`'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x563acd73bee0), :, _184540)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _220050)
   Call: (196) [system] peek_char((0x563acd73bee0), _220984)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _220050=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (195) [user] classify_and_convert_charseq([:], _184540)
^  Call: (196) [user] classify_and_convert_charseq_([:], _230268)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_231220, _231222), once(user:catch(read_from_chars([:], _230268), _231202, fail)), '$restore_trace'(_231220, _231222))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_231220, _231222))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _231202, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(:)
   Exit: (197) [system] atomic(:)
^  Exit: (196) [user] classify_and_convert_charseq_([:], :)
   Call: (196) [system] integer(:)
   Fail: (196) [system] integer(:)
   Call: (196) [system] _184540=(:)
   Exit: (196) [system] (:)=(:)
^  Exit: (195) [user] classify_and_convert_charseq([:], :)
^  Exit: (194) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (193) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _243348)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _245206)
   Exit: (195) [system] peek_char((0x563acd73bee0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x563acd73bee0), _254800)
   Exit: (195) [system] get_char((0x563acd73bee0), ' ')
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _257504)
   Exit: (196) [system] peek_char((0x563acd73bee0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _274438)
   Exit: (194) [system] peek_char((0x563acd73bee0), $)
   Call: (194) [system] ($)=')'
   Fail: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x563acd73bee0), _280008)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _281866)
   Exit: (196) [system] peek_char((0x563acd73bee0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] get_char((0x563acd73bee0), _297876)
   Exit: (195) [system] get_char((0x563acd73bee0), $)
   Call: (195) [system] ($)='('
   Fail: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Fail: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Fail: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Fail: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Fail: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Fail: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Fail: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x563acd73bee0), $, _280008)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _315518)
   Call: (197) [system] peek_char((0x563acd73bee0), _316452)
   Exit: (197) [system] peek_char((0x563acd73bee0), r)
^  Call: (197) [user] is_delimiter(r)
   Call: (198) [system] char_type(r, space)
   Fail: (198) [system] char_type(r, space)
   Call: (198) [system] arg(_321172, v('(', ')', end_of_file), r)
   Fail: (198) [system] arg(_322104, v('(', ')', end_of_file), r)
^  Fail: (197) [user] is_delimiter(r)
   Call: (197) [system] ')'==r
   Fail: (197) [system] ')'==r
   Call: (197) [system] get_char((0x563acd73bee0), r)
   Exit: (197) [system] get_char((0x563acd73bee0), r)
   Call: (197) [system] r=(\)
   Fail: (197) [system] r=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _329454)
   Call: (198) [system] peek_char((0x563acd73bee0), _330388)
   Exit: (198) [system] peek_char((0x563acd73bee0), u)
^  Call: (198) [user] is_delimiter(u)
   Call: (199) [system] char_type(u, space)
   Fail: (199) [system] char_type(u, space)
   Call: (199) [system] arg(_335108, v('(', ')', end_of_file), u)
   Fail: (199) [system] arg(_336040, v('(', ')', end_of_file), u)
^  Fail: (198) [user] is_delimiter(u)
   Call: (198) [system] ')'==u
   Fail: (198) [system] ')'==u
   Call: (198) [system] get_char((0x563acd73bee0), u)
   Exit: (198) [system] get_char((0x563acd73bee0), u)
   Call: (198) [system] u=(\)
   Fail: (198) [system] u=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _343390)
   Call: (199) [system] peek_char((0x563acd73bee0), _344324)
   Exit: (199) [system] peek_char((0x563acd73bee0), c)
^  Call: (199) [user] is_delimiter(c)
   Call: (200) [system] char_type(c, space)
   Fail: (200) [system] char_type(c, space)
   Call: (200) [system] arg(_349044, v('(', ')', end_of_file), c)
   Fail: (200) [system] arg(_349976, v('(', ')', end_of_file), c)
^  Fail: (199) [user] is_delimiter(c)
   Call: (199) [system] ')'==c
   Fail: (199) [system] ')'==c
   Call: (199) [system] get_char((0x563acd73bee0), c)
   Exit: (199) [system] get_char((0x563acd73bee0), c)
   Call: (199) [system] c=(\)
   Fail: (199) [system] c=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _357326)
   Call: (200) [system] peek_char((0x563acd73bee0), _358260)
   Exit: (200) [system] peek_char((0x563acd73bee0), t)
^  Call: (200) [user] is_delimiter(t)
   Call: (201) [system] char_type(t, space)
   Fail: (201) [system] char_type(t, space)
   Call: (201) [system] arg(_362980, v('(', ')', end_of_file), t)
   Fail: (201) [system] arg(_363912, v('(', ')', end_of_file), t)
^  Fail: (200) [user] is_delimiter(t)
   Call: (200) [system] ')'==t
   Fail: (200) [system] ')'==t
   Call: (200) [system] get_char((0x563acd73bee0), t)
   Exit: (200) [system] get_char((0x563acd73bee0), t)
   Call: (200) [system] t=(\)
   Fail: (200) [system] t=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _371262)
   Call: (201) [system] peek_char((0x563acd73bee0), _372196)
   Exit: (201) [system] peek_char((0x563acd73bee0), o)
^  Call: (201) [user] is_delimiter(o)
   Call: (202) [system] char_type(o, space)
   Fail: (202) [system] char_type(o, space)
   Call: (202) [system] arg(_376916, v('(', ')', end_of_file), o)
   Fail: (202) [system] arg(_377848, v('(', ')', end_of_file), o)
^  Fail: (201) [user] is_delimiter(o)
   Call: (201) [system] ')'==o
   Fail: (201) [system] ')'==o
   Call: (201) [system] get_char((0x563acd73bee0), o)
   Exit: (201) [system] get_char((0x563acd73bee0), o)
   Call: (201) [system] o=(\)
   Fail: (201) [system] o=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _385198)
   Call: (202) [system] peek_char((0x563acd73bee0), _386132)
   Exit: (202) [system] peek_char((0x563acd73bee0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_390852, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_391784, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x563acd73bee0), r)
   Exit: (202) [system] get_char((0x563acd73bee0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _399134)
   Call: (203) [system] peek_char((0x563acd73bee0), _400068)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _399134=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (202) [system] _385198=[r]
   Exit: (202) [system] [r]=[r]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [r])
   Call: (201) [system] _371262=[o, r]
   Exit: (201) [system] [o, r]=[o, r]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, r])
   Call: (200) [system] _357326=[t, o, r]
   Exit: (200) [system] [t, o, r]=[t, o, r]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, o, r])
   Call: (199) [system] _343390=[c, t, o, r]
   Exit: (199) [system] [c, t, o, r]=[c, t, o, r]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, o, r])
   Call: (198) [system] _329454=[u, c, t, o, r]
   Exit: (198) [system] [u, c, t, o, r]=[u, c, t, o, r]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, o, r])
   Call: (197) [system] _315518=[r, u, c, t, o, r]
   Exit: (197) [system] [r, u, c, t, o, r]=[r, u, c, t, o, r]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, u, c, t, o, r])
^  Call: (196) [user] classify_and_convert_charseq([$, r, u, c, t, o, r], _280008)
^  Call: (197) [user] classify_and_convert_charseq_([$, r, u, c, t, o, r], _426116)
   Call: (198) [system] atom_chars(_427048, ['_', r, u, c, t, o, r])
   Exit: (198) [system] atom_chars('_ructor', ['_', r, u, c, t, o, r])
^  Exit: (197) [user] classify_and_convert_charseq_([$, r, u, c, t, o, r], _ructor)
   Call: (197) [system] integer(_ructor)
   Fail: (197) [system] integer(_ructor)
   Call: (197) [system] _280008=_ructor
   Exit: (197) [system] _ructor=_ructor
^  Exit: (196) [user] classify_and_convert_charseq([$, r, u, c, t, o, r], _ructor)
^  Exit: (195) [user] read_symbolic(')', (0x563acd73bee0), $, _ructor)
^  Exit: (194) [user] cont_sexpr(')', (0x563acd73bee0), _ructor)
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _436340)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _438198)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x563acd73bee0), _447792)
   Exit: (196) [system] get_char((0x563acd73bee0), ' ')
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _450496)
   Exit: (197) [system] peek_char((0x563acd73bee0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _467430)
   Exit: (195) [system] peek_char((0x563acd73bee0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x563acd73bee0), _473000)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _474858)
   Exit: (197) [system] peek_char((0x563acd73bee0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] get_char((0x563acd73bee0), _490868)
   Exit: (196) [system] get_char((0x563acd73bee0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x563acd73bee0), _473000)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _496438)
   Exit: (198) [system] peek_char((0x563acd73bee0), -)
   Call: (198) [system] (-)=(;)
   Fail: (198) [system] (-)=(;)
   Call: (198) [system] (-)=(/)
   Fail: (198) [system] (-)=(/)
^  Call: (198) [user] is_like_space(-)
   Call: (199) [system] char_type(-, 'white')
   Fail: (199) [system] char_type(-, 'white')
   Call: (199) [system] char_type(-, end_of_line)
   Fail: (199) [system] char_type(-, end_of_line)
   Call: (199) [system] char_type(-, space)
   Fail: (199) [system] char_type(-, space)
   Call: (199) [system] char_type(-, cntrl)
   Fail: (199) [system] char_type(-, cntrl)
^  Fail: (198) [user] is_like_space(-)
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _512448)
   Exit: (197) [system] peek_char((0x563acd73bee0), -)
   Call: (197) [system] (-)=')'
   Fail: (197) [system] (-)=')'
   Call: (197) [system] (-)=end_of_file
   Fail: (197) [system] (-)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x563acd73bee0), _518018)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _519876)
   Exit: (199) [system] peek_char((0x563acd73bee0), -)
   Call: (199) [system] (-)=(;)
   Fail: (199) [system] (-)=(;)
   Call: (199) [system] (-)=(/)
   Fail: (199) [system] (-)=(/)
^  Call: (199) [user] is_like_space(-)
   Call: (200) [system] char_type(-, 'white')
   Fail: (200) [system] char_type(-, 'white')
   Call: (200) [system] char_type(-, end_of_line)
   Fail: (200) [system] char_type(-, end_of_line)
   Call: (200) [system] char_type(-, space)
   Fail: (200) [system] char_type(-, space)
   Call: (200) [system] char_type(-, cntrl)
   Fail: (200) [system] char_type(-, cntrl)
^  Fail: (199) [user] is_like_space(-)
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] get_char((0x563acd73bee0), _535886)
   Exit: (198) [system] get_char((0x563acd73bee0), -)
   Call: (198) [system] (-)='('
   Fail: (198) [system] (-)='('
   Call: (198) [system] (-)='['
   Fail: (198) [system] (-)='['
   Call: (198) [system] (-)='{'
   Fail: (198) [system] (-)='{'
   Call: (198) [system] (-)='"'
   Fail: (198) [system] (-)='"'
   Call: (198) [system] (-)=!
   Fail: (198) [system] (-)=!
   Call: (198) [system] (-)='\''
   Fail: (198) [system] (-)='\''
   Call: (198) [system] (-)='`'
   Fail: (198) [system] (-)='`'
   Call: (198) [system] (-)=end_of_file
   Fail: (198) [system] (-)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x563acd73bee0), -, _518018)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _553528)
   Call: (200) [system] peek_char((0x563acd73bee0), _554462)
   Exit: (200) [system] peek_char((0x563acd73bee0), >)
^  Call: (200) [user] is_delimiter(>)
   Call: (201) [system] char_type(>, space)
   Fail: (201) [system] char_type(>, space)
   Call: (201) [system] arg(_559182, v('(', ')', end_of_file), >)
   Fail: (201) [system] arg(_560114, v('(', ')', end_of_file), >)
^  Fail: (200) [user] is_delimiter(>)
   Call: (200) [system] ')'==(>)
   Fail: (200) [system] ')'==(>)
   Call: (200) [system] get_char((0x563acd73bee0), >)
   Exit: (200) [system] get_char((0x563acd73bee0), >)
   Call: (200) [system] (>)=(\)
   Fail: (200) [system] (>)=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _567464)
   Call: (201) [system] peek_char((0x563acd73bee0), _568398)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (201) [user] is_delimiter(' ')
   Call: (202) [system] char_type(' ', space)
   Exit: (202) [system] char_type(' ', space)
^  Exit: (201) [user] is_delimiter(' ')
   Call: (201) [system] _567464=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (200) [system] _553528=[>]
   Exit: (200) [system] [>]=[>]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [>])
^  Call: (199) [user] classify_and_convert_charseq([-, >], _518018)
^  Call: (200) [user] classify_and_convert_charseq_([-, >], _580476)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_581428, _581430), once(user:catch(read_from_chars([-, >], _580476), _581410, fail)), '$restore_trace'(_581428, _581430))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_581428, _581430))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _581410, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(->)
   Exit: (201) [system] atomic(->)
^  Exit: (200) [user] classify_and_convert_charseq_([-, >], ->)
   Call: (200) [system] integer(->)
   Fail: (200) [system] integer(->)
   Call: (200) [system] _518018=(->)
   Exit: (200) [system] (->)=(->)
^  Exit: (199) [user] classify_and_convert_charseq([-, >], ->)
^  Exit: (198) [user] read_symbolic(')', (0x563acd73bee0), -, ->)
^  Exit: (197) [user] cont_sexpr(')', (0x563acd73bee0), ->)
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _593556)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _595414)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x563acd73bee0), _605008)
   Exit: (199) [system] get_char((0x563acd73bee0), ' ')
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _607712)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _624646)
   Exit: (198) [system] peek_char((0x563acd73bee0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x563acd73bee0), _630216)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _632074)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] get_char((0x563acd73bee0), _648084)
   Exit: (199) [system] get_char((0x563acd73bee0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x563acd73bee0), $, _630216)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _665726)
   Call: (201) [system] peek_char((0x563acd73bee0), _666660)
   Exit: (201) [system] peek_char((0x563acd73bee0), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_671380, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_672312, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x563acd73bee0), p)
   Exit: (201) [system] get_char((0x563acd73bee0), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _679662)
   Call: (202) [system] peek_char((0x563acd73bee0), _680596)
   Exit: (202) [system] peek_char((0x563acd73bee0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_685316, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_686248, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x563acd73bee0), r)
   Exit: (202) [system] get_char((0x563acd73bee0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _693598)
   Call: (203) [system] peek_char((0x563acd73bee0), _694532)
   Exit: (203) [system] peek_char((0x563acd73bee0), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Fail: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_699252, v('(', ')', end_of_file), e)
   Fail: (204) [system] arg(_700184, v('(', ')', end_of_file), e)
^  Fail: (203) [user] is_delimiter(e)
   Call: (203) [system] ')'==e
   Fail: (203) [system] ')'==e
   Call: (203) [system] get_char((0x563acd73bee0), e)
   Exit: (203) [system] get_char((0x563acd73bee0), e)
   Call: (203) [system] e=(\)
   Fail: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _707534)
   Call: (204) [system] peek_char((0x563acd73bee0), _708468)
   Exit: (204) [system] peek_char((0x563acd73bee0), m)
^  Call: (204) [user] is_delimiter(m)
   Call: (205) [system] char_type(m, space)
   Fail: (205) [system] char_type(m, space)
   Call: (205) [system] arg(_713188, v('(', ')', end_of_file), m)
   Fail: (205) [system] arg(_714120, v('(', ')', end_of_file), m)
^  Fail: (204) [user] is_delimiter(m)
   Call: (204) [system] ')'==m
   Fail: (204) [system] ')'==m
   Call: (204) [system] get_char((0x563acd73bee0), m)
   Exit: (204) [system] get_char((0x563acd73bee0), m)
   Call: (204) [system] m=(\)
   Fail: (204) [system] m=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _721470)
   Call: (205) [system] peek_char((0x563acd73bee0), _722404)
   Exit: (205) [system] peek_char((0x563acd73bee0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_727124, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_728056, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x563acd73bee0), i)
   Exit: (205) [system] get_char((0x563acd73bee0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _735406)
   Call: (206) [system] peek_char((0x563acd73bee0), _736340)
   Exit: (206) [system] peek_char((0x563acd73bee0), s)
^  Call: (206) [user] is_delimiter(s)
   Call: (207) [system] char_type(s, space)
   Fail: (207) [system] char_type(s, space)
   Call: (207) [system] arg(_741060, v('(', ')', end_of_file), s)
   Fail: (207) [system] arg(_741992, v('(', ')', end_of_file), s)
^  Fail: (206) [user] is_delimiter(s)
   Call: (206) [system] ')'==s
   Fail: (206) [system] ')'==s
   Call: (206) [system] get_char((0x563acd73bee0), s)
   Exit: (206) [system] get_char((0x563acd73bee0), s)
   Call: (206) [system] s=(\)
   Fail: (206) [system] s=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _749342)
   Call: (207) [system] peek_char((0x563acd73bee0), _750276)
   Exit: (207) [system] peek_char((0x563acd73bee0), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_754996, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_755928, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x563acd73bee0), e)
   Exit: (207) [system] get_char((0x563acd73bee0), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _763278)
   Call: (208) [system] peek_char((0x563acd73bee0), _764212)
   Exit: (208) [system] peek_char((0x563acd73bee0), '1')
^  Call: (208) [user] is_delimiter('1')
   Call: (209) [system] char_type('1', space)
   Fail: (209) [system] char_type('1', space)
   Call: (209) [system] arg(_768932, v('(', ')', end_of_file), '1')
   Fail: (209) [system] arg(_769864, v('(', ')', end_of_file), '1')
^  Fail: (208) [user] is_delimiter('1')
   Call: (208) [system] ')'=='1'
   Fail: (208) [system] ')'=='1'
   Call: (208) [system] get_char((0x563acd73bee0), '1')
   Exit: (208) [system] get_char((0x563acd73bee0), '1')
   Call: (208) [system] '1'=(\)
   Fail: (208) [system] '1'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _777214)
   Call: (209) [system] peek_char((0x563acd73bee0), _778148)
   Exit: (209) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _777214=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (208) [system] _763278=['1']
   Exit: (208) [system] ['1']=['1']
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), ['1'])
   Call: (207) [system] _749342=[e, '1']
   Exit: (207) [system] [e, '1']=[e, '1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, '1'])
   Call: (206) [system] _735406=[s, e, '1']
   Exit: (206) [system] [s, e, '1']=[s, e, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, e, '1'])
   Call: (205) [system] _721470=[i, s, e, '1']
   Exit: (205) [system] [i, s, e, '1']=[i, s, e, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, e, '1'])
   Call: (204) [system] _707534=[m, i, s, e, '1']
   Exit: (204) [system] [m, i, s, e, '1']=[m, i, s, e, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, i, s, e, '1'])
   Call: (203) [system] _693598=[e, m, i, s, e, '1']
   Exit: (203) [system] [e, m, i, s, e, '1']=[e, m, i, s, e, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, m, i, s, e, '1'])
   Call: (202) [system] _679662=[r, e, m, i, s, e, '1']
   Exit: (202) [system] [r, e, m, i, s, e, '1']=[r, e, m, i, s, e, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, e, m, i, s, e, '1'])
   Call: (201) [system] _665726=[p, r, e, m, i, s, e, '1']
   Exit: (201) [system] [p, r, e, m, i, s, e, '1']=[p, r, e, m, i, s, e, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, e, m, i, s, e, '1'])
^  Call: (200) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _630216)
^  Call: (201) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _809784)
   Call: (202) [system] atom_chars(_810716, ['_', p, r, e, m, i, s, e, '1'])
   Exit: (202) [system] atom_chars('_premise1', ['_', p, r, e, m, i, s, e, '1'])
^  Exit: (201) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _premise1)
   Call: (201) [system] integer(_premise1)
   Fail: (201) [system] integer(_premise1)
   Call: (201) [system] _630216=_premise1
   Exit: (201) [system] _premise1=_premise1
^  Exit: (200) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _premise1)
^  Exit: (199) [user] read_symbolic(')', (0x563acd73bee0), $, _premise1)
^  Exit: (198) [user] cont_sexpr(')', (0x563acd73bee0), _premise1)
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _820008)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _821866)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x563acd73bee0), _831460)
   Exit: (200) [system] get_char((0x563acd73bee0), ' ')
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _834164)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _851098)
   Exit: (199) [system] peek_char((0x563acd73bee0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x563acd73bee0), _856668)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _858526)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] get_char((0x563acd73bee0), _874536)
   Exit: (200) [system] get_char((0x563acd73bee0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x563acd73bee0), $, _856668)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _892178)
   Call: (202) [system] peek_char((0x563acd73bee0), _893112)
   Exit: (202) [system] peek_char((0x563acd73bee0), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Fail: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_897832, v('(', ')', end_of_file), p)
   Fail: (203) [system] arg(_898764, v('(', ')', end_of_file), p)
^  Fail: (202) [user] is_delimiter(p)
   Call: (202) [system] ')'==p
   Fail: (202) [system] ')'==p
   Call: (202) [system] get_char((0x563acd73bee0), p)
   Exit: (202) [system] get_char((0x563acd73bee0), p)
   Call: (202) [system] p=(\)
   Fail: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _906114)
   Call: (203) [system] peek_char((0x563acd73bee0), _907048)
   Exit: (203) [system] peek_char((0x563acd73bee0), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_911768, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_912700, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x563acd73bee0), r)
   Exit: (203) [system] get_char((0x563acd73bee0), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _920050)
   Call: (204) [system] peek_char((0x563acd73bee0), _920984)
   Exit: (204) [system] peek_char((0x563acd73bee0), e)
^  Call: (204) [user] is_delimiter(e)
   Call: (205) [system] char_type(e, space)
   Fail: (205) [system] char_type(e, space)
   Call: (205) [system] arg(_925704, v('(', ')', end_of_file), e)
   Fail: (205) [system] arg(_926636, v('(', ')', end_of_file), e)
^  Fail: (204) [user] is_delimiter(e)
   Call: (204) [system] ')'==e
   Fail: (204) [system] ')'==e
   Call: (204) [system] get_char((0x563acd73bee0), e)
   Exit: (204) [system] get_char((0x563acd73bee0), e)
   Call: (204) [system] e=(\)
   Fail: (204) [system] e=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _933986)
   Call: (205) [system] peek_char((0x563acd73bee0), _934920)
   Exit: (205) [system] peek_char((0x563acd73bee0), m)
^  Call: (205) [user] is_delimiter(m)
   Call: (206) [system] char_type(m, space)
   Fail: (206) [system] char_type(m, space)
   Call: (206) [system] arg(_939640, v('(', ')', end_of_file), m)
   Fail: (206) [system] arg(_940572, v('(', ')', end_of_file), m)
^  Fail: (205) [user] is_delimiter(m)
   Call: (205) [system] ')'==m
   Fail: (205) [system] ')'==m
   Call: (205) [system] get_char((0x563acd73bee0), m)
   Exit: (205) [system] get_char((0x563acd73bee0), m)
   Call: (205) [system] m=(\)
   Fail: (205) [system] m=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _947922)
   Call: (206) [system] peek_char((0x563acd73bee0), _948856)
   Exit: (206) [system] peek_char((0x563acd73bee0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_953576, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_954508, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x563acd73bee0), i)
   Exit: (206) [system] get_char((0x563acd73bee0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _961858)
   Call: (207) [system] peek_char((0x563acd73bee0), _962792)
   Exit: (207) [system] peek_char((0x563acd73bee0), s)
^  Call: (207) [user] is_delimiter(s)
   Call: (208) [system] char_type(s, space)
   Fail: (208) [system] char_type(s, space)
   Call: (208) [system] arg(_967512, v('(', ')', end_of_file), s)
   Fail: (208) [system] arg(_968444, v('(', ')', end_of_file), s)
^  Fail: (207) [user] is_delimiter(s)
   Call: (207) [system] ')'==s
   Fail: (207) [system] ')'==s
   Call: (207) [system] get_char((0x563acd73bee0), s)
   Exit: (207) [system] get_char((0x563acd73bee0), s)
   Call: (207) [system] s=(\)
   Fail: (207) [system] s=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _975794)
   Call: (208) [system] peek_char((0x563acd73bee0), _976728)
   Exit: (208) [system] peek_char((0x563acd73bee0), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Fail: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_981448, v('(', ')', end_of_file), e)
   Fail: (209) [system] arg(_982380, v('(', ')', end_of_file), e)
^  Fail: (208) [user] is_delimiter(e)
   Call: (208) [system] ')'==e
   Fail: (208) [system] ')'==e
   Call: (208) [system] get_char((0x563acd73bee0), e)
   Exit: (208) [system] get_char((0x563acd73bee0), e)
   Call: (208) [system] e=(\)
   Fail: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _989730)
   Call: (209) [system] peek_char((0x563acd73bee0), _990664)
   Exit: (209) [system] peek_char((0x563acd73bee0), '2')
^  Call: (209) [user] is_delimiter('2')
   Call: (210) [system] char_type('2', space)
   Fail: (210) [system] char_type('2', space)
   Call: (210) [system] arg(_995384, v('(', ')', end_of_file), '2')
   Fail: (210) [system] arg(_996316, v('(', ')', end_of_file), '2')
^  Fail: (209) [user] is_delimiter('2')
   Call: (209) [system] ')'=='2'
   Fail: (209) [system] ')'=='2'
   Call: (209) [system] get_char((0x563acd73bee0), '2')
   Exit: (209) [system] get_char((0x563acd73bee0), '2')
   Call: (209) [system] '2'=(\)
   Fail: (209) [system] '2'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1003666)
   Call: (210) [system] peek_char((0x563acd73bee0), _1004600)
   Exit: (210) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1003666=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (209) [system] _989730=['2']
   Exit: (209) [system] ['2']=['2']
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), ['2'])
   Call: (208) [system] _975794=[e, '2']
   Exit: (208) [system] [e, '2']=[e, '2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, '2'])
   Call: (207) [system] _961858=[s, e, '2']
   Exit: (207) [system] [s, e, '2']=[s, e, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, e, '2'])
   Call: (206) [system] _947922=[i, s, e, '2']
   Exit: (206) [system] [i, s, e, '2']=[i, s, e, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, e, '2'])
   Call: (205) [system] _933986=[m, i, s, e, '2']
   Exit: (205) [system] [m, i, s, e, '2']=[m, i, s, e, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, i, s, e, '2'])
   Call: (204) [system] _920050=[e, m, i, s, e, '2']
   Exit: (204) [system] [e, m, i, s, e, '2']=[e, m, i, s, e, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, m, i, s, e, '2'])
   Call: (203) [system] _906114=[r, e, m, i, s, e, '2']
   Exit: (203) [system] [r, e, m, i, s, e, '2']=[r, e, m, i, s, e, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, e, m, i, s, e, '2'])
   Call: (202) [system] _892178=[p, r, e, m, i, s, e, '2']
   Exit: (202) [system] [p, r, e, m, i, s, e, '2']=[p, r, e, m, i, s, e, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, e, m, i, s, e, '2'])
^  Call: (201) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _856668)
^  Call: (202) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _1036236)
   Call: (203) [system] atom_chars(_1037168, ['_', p, r, e, m, i, s, e, '2'])
   Exit: (203) [system] atom_chars('_premise2', ['_', p, r, e, m, i, s, e, '2'])
^  Exit: (202) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _premise2)
   Call: (202) [system] integer(_premise2)
   Fail: (202) [system] integer(_premise2)
   Call: (202) [system] _856668=_premise2
   Exit: (202) [system] _premise2=_premise2
^  Exit: (201) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _premise2)
^  Exit: (200) [user] read_symbolic(')', (0x563acd73bee0), $, _premise2)
^  Exit: (199) [user] cont_sexpr(')', (0x563acd73bee0), _premise2)
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _1046460)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1048318)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _1057912)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1060616)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1077550)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x563acd73bee0), _1083120)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1084978)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] get_char((0x563acd73bee0), _1100988)
   Exit: (201) [system] get_char((0x563acd73bee0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x563acd73bee0), $, _1083120)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1118630)
   Call: (203) [system] peek_char((0x563acd73bee0), _1119564)
   Exit: (203) [system] peek_char((0x563acd73bee0), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Fail: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_1124284, v('(', ')', end_of_file), p)
   Fail: (204) [system] arg(_1125216, v('(', ')', end_of_file), p)
^  Fail: (203) [user] is_delimiter(p)
   Call: (203) [system] ')'==p
   Fail: (203) [system] ')'==p
   Call: (203) [system] get_char((0x563acd73bee0), p)
   Exit: (203) [system] get_char((0x563acd73bee0), p)
   Call: (203) [system] p=(\)
   Fail: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1132566)
   Call: (204) [system] peek_char((0x563acd73bee0), _1133500)
   Exit: (204) [system] peek_char((0x563acd73bee0), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_1138220, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_1139152, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x563acd73bee0), r)
   Exit: (204) [system] get_char((0x563acd73bee0), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1146502)
   Call: (205) [system] peek_char((0x563acd73bee0), _1147436)
   Exit: (205) [system] peek_char((0x563acd73bee0), e)
^  Call: (205) [user] is_delimiter(e)
   Call: (206) [system] char_type(e, space)
   Fail: (206) [system] char_type(e, space)
   Call: (206) [system] arg(_1152156, v('(', ')', end_of_file), e)
   Fail: (206) [system] arg(_1153088, v('(', ')', end_of_file), e)
^  Fail: (205) [user] is_delimiter(e)
   Call: (205) [system] ')'==e
   Fail: (205) [system] ')'==e
   Call: (205) [system] get_char((0x563acd73bee0), e)
   Exit: (205) [system] get_char((0x563acd73bee0), e)
   Call: (205) [system] e=(\)
   Fail: (205) [system] e=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1160438)
   Call: (206) [system] peek_char((0x563acd73bee0), _1161372)
   Exit: (206) [system] peek_char((0x563acd73bee0), m)
^  Call: (206) [user] is_delimiter(m)
   Call: (207) [system] char_type(m, space)
   Fail: (207) [system] char_type(m, space)
   Call: (207) [system] arg(_1166092, v('(', ')', end_of_file), m)
   Fail: (207) [system] arg(_1167024, v('(', ')', end_of_file), m)
^  Fail: (206) [user] is_delimiter(m)
   Call: (206) [system] ')'==m
   Fail: (206) [system] ')'==m
   Call: (206) [system] get_char((0x563acd73bee0), m)
   Exit: (206) [system] get_char((0x563acd73bee0), m)
   Call: (206) [system] m=(\)
   Fail: (206) [system] m=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1174374)
   Call: (207) [system] peek_char((0x563acd73bee0), _1175308)
   Exit: (207) [system] peek_char((0x563acd73bee0), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Fail: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_1180028, v('(', ')', end_of_file), i)
   Fail: (208) [system] arg(_1180960, v('(', ')', end_of_file), i)
^  Fail: (207) [user] is_delimiter(i)
   Call: (207) [system] ')'==i
   Fail: (207) [system] ')'==i
   Call: (207) [system] get_char((0x563acd73bee0), i)
   Exit: (207) [system] get_char((0x563acd73bee0), i)
   Call: (207) [system] i=(\)
   Fail: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1188310)
   Call: (208) [system] peek_char((0x563acd73bee0), _1189244)
   Exit: (208) [system] peek_char((0x563acd73bee0), s)
^  Call: (208) [user] is_delimiter(s)
   Call: (209) [system] char_type(s, space)
   Fail: (209) [system] char_type(s, space)
   Call: (209) [system] arg(_1193964, v('(', ')', end_of_file), s)
   Fail: (209) [system] arg(_1194896, v('(', ')', end_of_file), s)
^  Fail: (208) [user] is_delimiter(s)
   Call: (208) [system] ')'==s
   Fail: (208) [system] ')'==s
   Call: (208) [system] get_char((0x563acd73bee0), s)
   Exit: (208) [system] get_char((0x563acd73bee0), s)
   Call: (208) [system] s=(\)
   Fail: (208) [system] s=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1202246)
   Call: (209) [system] peek_char((0x563acd73bee0), _1203180)
   Exit: (209) [system] peek_char((0x563acd73bee0), e)
^  Call: (209) [user] is_delimiter(e)
   Call: (210) [system] char_type(e, space)
   Fail: (210) [system] char_type(e, space)
   Call: (210) [system] arg(_1207900, v('(', ')', end_of_file), e)
   Fail: (210) [system] arg(_1208832, v('(', ')', end_of_file), e)
^  Fail: (209) [user] is_delimiter(e)
   Call: (209) [system] ')'==e
   Fail: (209) [system] ')'==e
   Call: (209) [system] get_char((0x563acd73bee0), e)
   Exit: (209) [system] get_char((0x563acd73bee0), e)
   Call: (209) [system] e=(\)
   Fail: (209) [system] e=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1216182)
   Call: (210) [system] peek_char((0x563acd73bee0), _1217116)
   Exit: (210) [system] peek_char((0x563acd73bee0), '3')
^  Call: (210) [user] is_delimiter('3')
   Call: (211) [system] char_type('3', space)
   Fail: (211) [system] char_type('3', space)
   Call: (211) [system] arg(_1221836, v('(', ')', end_of_file), '3')
   Fail: (211) [system] arg(_1222768, v('(', ')', end_of_file), '3')
^  Fail: (210) [user] is_delimiter('3')
   Call: (210) [system] ')'=='3'
   Fail: (210) [system] ')'=='3'
   Call: (210) [system] get_char((0x563acd73bee0), '3')
   Exit: (210) [system] get_char((0x563acd73bee0), '3')
   Call: (210) [system] '3'=(\)
   Fail: (210) [system] '3'=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1230118)
   Call: (211) [system] peek_char((0x563acd73bee0), _1231052)
   Exit: (211) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _1230118=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (210) [system] _1216182=['3']
   Exit: (210) [system] ['3']=['3']
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), ['3'])
   Call: (209) [system] _1202246=[e, '3']
   Exit: (209) [system] [e, '3']=[e, '3']
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, '3'])
   Call: (208) [system] _1188310=[s, e, '3']
   Exit: (208) [system] [s, e, '3']=[s, e, '3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, e, '3'])
   Call: (207) [system] _1174374=[i, s, e, '3']
   Exit: (207) [system] [i, s, e, '3']=[i, s, e, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, e, '3'])
   Call: (206) [system] _1160438=[m, i, s, e, '3']
   Exit: (206) [system] [m, i, s, e, '3']=[m, i, s, e, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, i, s, e, '3'])
   Call: (205) [system] _1146502=[e, m, i, s, e, '3']
   Exit: (205) [system] [e, m, i, s, e, '3']=[e, m, i, s, e, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, m, i, s, e, '3'])
   Call: (204) [system] _1132566=[r, e, m, i, s, e, '3']
   Exit: (204) [system] [r, e, m, i, s, e, '3']=[r, e, m, i, s, e, '3']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, e, m, i, s, e, '3'])
   Call: (203) [system] _1118630=[p, r, e, m, i, s, e, '3']
   Exit: (203) [system] [p, r, e, m, i, s, e, '3']=[p, r, e, m, i, s, e, '3']
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, e, m, i, s, e, '3'])
^  Call: (202) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '3'], _1083120)
^  Call: (203) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '3'], _1262688)
   Call: (204) [system] atom_chars(_1263620, ['_', p, r, e, m, i, s, e, '3'])
   Exit: (204) [system] atom_chars('_premise3', ['_', p, r, e, m, i, s, e, '3'])
^  Exit: (203) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '3'], _premise3)
   Call: (203) [system] integer(_premise3)
   Fail: (203) [system] integer(_premise3)
   Call: (203) [system] _1083120=_premise3
   Exit: (203) [system] _premise3=_premise3
^  Exit: (202) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '3'], _premise3)
^  Exit: (201) [user] read_symbolic(')', (0x563acd73bee0), $, _premise3)
^  Exit: (200) [user] cont_sexpr(')', (0x563acd73bee0), _premise3)
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _1272912)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1274770)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x563acd73bee0), _1284364)
   Exit: (202) [system] get_char((0x563acd73bee0), ' ')
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1287068)
   Exit: (203) [system] peek_char((0x563acd73bee0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1304002)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x563acd73bee0), _1309572)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1311430)
   Exit: (203) [system] peek_char((0x563acd73bee0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] get_char((0x563acd73bee0), _1327440)
   Exit: (202) [system] get_char((0x563acd73bee0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x563acd73bee0), $, _1309572)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1345082)
   Call: (204) [system] peek_char((0x563acd73bee0), _1346016)
   Exit: (204) [system] peek_char((0x563acd73bee0), c)
^  Call: (204) [user] is_delimiter(c)
   Call: (205) [system] char_type(c, space)
   Fail: (205) [system] char_type(c, space)
   Call: (205) [system] arg(_1350736, v('(', ')', end_of_file), c)
   Fail: (205) [system] arg(_1351668, v('(', ')', end_of_file), c)
^  Fail: (204) [user] is_delimiter(c)
   Call: (204) [system] ')'==c
   Fail: (204) [system] ')'==c
   Call: (204) [system] get_char((0x563acd73bee0), c)
   Exit: (204) [system] get_char((0x563acd73bee0), c)
   Call: (204) [system] c=(\)
   Fail: (204) [system] c=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1359018)
   Call: (205) [system] peek_char((0x563acd73bee0), _1359952)
   Exit: (205) [system] peek_char((0x563acd73bee0), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_1364672, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_1365604, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x563acd73bee0), o)
   Exit: (205) [system] get_char((0x563acd73bee0), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1372954)
   Call: (206) [system] peek_char((0x563acd73bee0), _1373888)
   Exit: (206) [system] peek_char((0x563acd73bee0), n)
^  Call: (206) [user] is_delimiter(n)
   Call: (207) [system] char_type(n, space)
   Fail: (207) [system] char_type(n, space)
   Call: (207) [system] arg(_1378608, v('(', ')', end_of_file), n)
   Fail: (207) [system] arg(_1379540, v('(', ')', end_of_file), n)
^  Fail: (206) [user] is_delimiter(n)
   Call: (206) [system] ')'==n
   Fail: (206) [system] ')'==n
   Call: (206) [system] get_char((0x563acd73bee0), n)
   Exit: (206) [system] get_char((0x563acd73bee0), n)
   Call: (206) [system] n=(\)
   Fail: (206) [system] n=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1386890)
   Call: (207) [system] peek_char((0x563acd73bee0), _1387824)
   Exit: (207) [system] peek_char((0x563acd73bee0), c)
^  Call: (207) [user] is_delimiter(c)
   Call: (208) [system] char_type(c, space)
   Fail: (208) [system] char_type(c, space)
   Call: (208) [system] arg(_1392544, v('(', ')', end_of_file), c)
   Fail: (208) [system] arg(_1393476, v('(', ')', end_of_file), c)
^  Fail: (207) [user] is_delimiter(c)
   Call: (207) [system] ')'==c
   Fail: (207) [system] ')'==c
   Call: (207) [system] get_char((0x563acd73bee0), c)
   Exit: (207) [system] get_char((0x563acd73bee0), c)
   Call: (207) [system] c=(\)
   Fail: (207) [system] c=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1400826)
   Call: (208) [system] peek_char((0x563acd73bee0), _1401760)
   Exit: (208) [system] peek_char((0x563acd73bee0), l)
^  Call: (208) [user] is_delimiter(l)
   Call: (209) [system] char_type(l, space)
   Fail: (209) [system] char_type(l, space)
   Call: (209) [system] arg(_1406480, v('(', ')', end_of_file), l)
   Fail: (209) [system] arg(_1407412, v('(', ')', end_of_file), l)
^  Fail: (208) [user] is_delimiter(l)
   Call: (208) [system] ')'==l
   Fail: (208) [system] ')'==l
   Call: (208) [system] get_char((0x563acd73bee0), l)
   Exit: (208) [system] get_char((0x563acd73bee0), l)
   Call: (208) [system] l=(\)
   Fail: (208) [system] l=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1414762)
   Call: (209) [system] peek_char((0x563acd73bee0), _1415696)
   Exit: (209) [system] peek_char((0x563acd73bee0), u)
^  Call: (209) [user] is_delimiter(u)
   Call: (210) [system] char_type(u, space)
   Fail: (210) [system] char_type(u, space)
   Call: (210) [system] arg(_1420416, v('(', ')', end_of_file), u)
   Fail: (210) [system] arg(_1421348, v('(', ')', end_of_file), u)
^  Fail: (209) [user] is_delimiter(u)
   Call: (209) [system] ')'==u
   Fail: (209) [system] ')'==u
   Call: (209) [system] get_char((0x563acd73bee0), u)
   Exit: (209) [system] get_char((0x563acd73bee0), u)
   Call: (209) [system] u=(\)
   Fail: (209) [system] u=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1428698)
   Call: (210) [system] peek_char((0x563acd73bee0), _1429632)
   Exit: (210) [system] peek_char((0x563acd73bee0), s)
^  Call: (210) [user] is_delimiter(s)
   Call: (211) [system] char_type(s, space)
   Fail: (211) [system] char_type(s, space)
   Call: (211) [system] arg(_1434352, v('(', ')', end_of_file), s)
   Fail: (211) [system] arg(_1435284, v('(', ')', end_of_file), s)
^  Fail: (210) [user] is_delimiter(s)
   Call: (210) [system] ')'==s
   Fail: (210) [system] ')'==s
   Call: (210) [system] get_char((0x563acd73bee0), s)
   Exit: (210) [system] get_char((0x563acd73bee0), s)
   Call: (210) [system] s=(\)
   Fail: (210) [system] s=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1442634)
   Call: (211) [system] peek_char((0x563acd73bee0), _1443568)
   Exit: (211) [system] peek_char((0x563acd73bee0), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Fail: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_1448288, v('(', ')', end_of_file), i)
   Fail: (212) [system] arg(_1449220, v('(', ')', end_of_file), i)
^  Fail: (211) [user] is_delimiter(i)
   Call: (211) [system] ')'==i
   Fail: (211) [system] ')'==i
   Call: (211) [system] get_char((0x563acd73bee0), i)
   Exit: (211) [system] get_char((0x563acd73bee0), i)
   Call: (211) [system] i=(\)
   Fail: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1456570)
   Call: (212) [system] peek_char((0x563acd73bee0), _1457504)
   Exit: (212) [system] peek_char((0x563acd73bee0), o)
^  Call: (212) [user] is_delimiter(o)
   Call: (213) [system] char_type(o, space)
   Fail: (213) [system] char_type(o, space)
   Call: (213) [system] arg(_1462224, v('(', ')', end_of_file), o)
   Fail: (213) [system] arg(_1463156, v('(', ')', end_of_file), o)
^  Fail: (212) [user] is_delimiter(o)
   Call: (212) [system] ')'==o
   Fail: (212) [system] ')'==o
   Call: (212) [system] get_char((0x563acd73bee0), o)
   Exit: (212) [system] get_char((0x563acd73bee0), o)
   Call: (212) [system] o=(\)
   Fail: (212) [system] o=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _1470506)
   Call: (213) [system] peek_char((0x563acd73bee0), _1471440)
   Exit: (213) [system] peek_char((0x563acd73bee0), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_1476160, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_1477092, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x563acd73bee0), n)
   Exit: (213) [system] get_char((0x563acd73bee0), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _1484442)
   Call: (214) [system] peek_char((0x563acd73bee0), _1485376)
   Exit: (214) [system] peek_char((0x563acd73bee0), ')')
^  Call: (214) [user] is_delimiter(')')
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] arg(_1490096, v('(', ')', end_of_file), ')')
   Exit: (215) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (214) [user] is_delimiter(')')
   Call: (214) [system] _1484442=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (213) [system] _1470506=[n]
   Exit: (213) [system] [n]=[n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (212) [system] _1456570=[o, n]
   Exit: (212) [system] [o, n]=[o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (211) [system] _1442634=[i, o, n]
   Exit: (211) [system] [i, o, n]=[i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (210) [system] _1428698=[s, i, o, n]
   Exit: (210) [system] [s, i, o, n]=[s, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, i, o, n])
   Call: (209) [system] _1414762=[u, s, i, o, n]
   Exit: (209) [system] [u, s, i, o, n]=[u, s, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, s, i, o, n])
   Call: (208) [system] _1400826=[l, u, s, i, o, n]
   Exit: (208) [system] [l, u, s, i, o, n]=[l, u, s, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, u, s, i, o, n])
   Call: (207) [system] _1386890=[c, l, u, s, i, o, n]
   Exit: (207) [system] [c, l, u, s, i, o, n]=[c, l, u, s, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, l, u, s, i, o, n])
   Call: (206) [system] _1372954=[n, c, l, u, s, i, o, n]
   Exit: (206) [system] [n, c, l, u, s, i, o, n]=[n, c, l, u, s, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, l, u, s, i, o, n])
   Call: (205) [system] _1359018=[o, n, c, l, u, s, i, o, n]
   Exit: (205) [system] [o, n, c, l, u, s, i, o, n]=[o, n, c, l, u, s, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, c, l, u, s, i, o, n])
   Call: (204) [system] _1345082=[c, o, n, c, l, u, s, i, o, n]
   Exit: (204) [system] [c, o, n, c, l, u, s, i, o, n]=[c, o, n, c, l, u, s, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, o, n, c, l, u, s, i, o, n])
^  Call: (203) [user] classify_and_convert_charseq([$, c, o, n, c, l, u, s, i, o, n], _1309572)
^  Call: (204) [user] classify_and_convert_charseq_([$, c, o, n, c, l, u, s, i, o, n], _1524472)
   Call: (205) [system] atom_chars(_1525404, ['_', c, o, n, c, l, u, s, i, o, n])
   Exit: (205) [system] atom_chars('_conclusion', ['_', c, o, n, c, l, u, s, i, o, n])
^  Exit: (204) [user] classify_and_convert_charseq_([$, c, o, n, c, l, u, s, i, o, n], _conclusion)
   Call: (204) [system] integer(_conclusion)
   Fail: (204) [system] integer(_conclusion)
   Call: (204) [system] _1309572=_conclusion
   Exit: (204) [system] _conclusion=_conclusion
^  Exit: (203) [user] classify_and_convert_charseq([$, c, o, n, c, l, u, s, i, o, n], _conclusion)
^  Exit: (202) [user] read_symbolic(')', (0x563acd73bee0), $, _conclusion)
^  Exit: (201) [user] cont_sexpr(')', (0x563acd73bee0), _conclusion)
^  Call: (201) [user] read_list(')', (0x563acd73bee0), _1534696)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1536554)
   Exit: (203) [system] peek_char((0x563acd73bee0), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
   Call: (203) [system] ')'=(/)
   Fail: (203) [system] ')'=(/)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1552564)
   Exit: (202) [system] peek_char((0x563acd73bee0), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x563acd73bee0), _1556354)
   Exit: (202) [system] get_char((0x563acd73bee0), ')')
   Call: (202) [system] _1534696=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x563acd73bee0), [])
   Call: (201) [system] _1272912=[_conclusion]
   Exit: (201) [system] [_conclusion]=[_conclusion]
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), [_conclusion])
   Call: (200) [system] _1046460=[_premise3, _conclusion]
   Exit: (200) [system] [_premise3, _conclusion]=[_premise3, _conclusion]
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), [_premise3, _conclusion])
   Call: (199) [system] _820008=[_premise2, _premise3, _conclusion]
   Exit: (199) [system] [_premise2, _premise3, _conclusion]=[_premise2, _premise3, _conclusion]
^  Exit: (198) [user] read_list(')', (0x563acd73bee0), [_premise2, _premise3, _conclusion])
   Call: (198) [system] _593556=[_premise1, _premise2, _premise3, _conclusion]
   Exit: (198) [system] [_premise1, _premise2, _premise3, _conclusion]=[_premise1, _premise2, _premise3, _conclusion]
^  Exit: (197) [user] read_list(')', (0x563acd73bee0), [_premise1, _premise2, _premise3, _conclusion])
   Call: (197) [system] _473000=[->, _premise1, _premise2, _premise3, _conclusion]
   Exit: (197) [system] [->, _premise1, _premise2, _premise3, _conclusion]=[->, _premise1, _premise2, _premise3, _conclusion]
^  Exit: (196) [user] read_list(')', (0x563acd73bee0), [->, _premise1, _premise2, _premise3, _conclusion])
^  Exit: (195) [user] cont_sexpr(')', (0x563acd73bee0), [->, _premise1, _premise2, _premise3, _conclusion])
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _1575824)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1577682)
   Exit: (197) [system] peek_char((0x563acd73bee0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1593692)
   Exit: (196) [system] peek_char((0x563acd73bee0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x563acd73bee0), _1597482)
   Exit: (196) [system] get_char((0x563acd73bee0), ')')
   Call: (196) [system] _1575824=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), [])
   Call: (195) [system] _436340=[[->, _premise1, _premise2, _premise3, _conclusion]]
   Exit: (195) [system] [[->, _premise1, _premise2, _premise3, _conclusion]]=[[->, _premise1, _premise2, _premise3, _conclusion]]
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), [[->, _premise1, _premise2, _premise3, _conclusion]])
   Call: (194) [system] _243348=[_ructor, [->, _premise1, _premise2, _premise3, _conclusion]]
   Exit: (194) [system] [_ructor, [->, _premise1, _premise2, _premise3, _conclusion]]=[_ructor, [->, _premise1, _premise2, _premise3, _conclusion]]
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), [_ructor, [->, _premise1, _premise2, _premise3, _conclusion]])
   Call: (193) [system] _139522=[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]]
   Exit: (193) [system] [:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]]=[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]]
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), [:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]])
^  Exit: (191) [user] cont_sexpr(')', (0x563acd73bee0), [:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]])
^  Call: (191) [user] read_list(')', (0x563acd73bee0), _1611364)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1613222)
   Exit: (193) [system] peek_char((0x563acd73bee0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x563acd73bee0), _1622816)
   Exit: (193) [system] get_char((0x563acd73bee0), ' ')
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1625520)
   Exit: (194) [system] peek_char((0x563acd73bee0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1642454)
   Exit: (192) [system] peek_char((0x563acd73bee0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x563acd73bee0), _1648024)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1649882)
   Exit: (194) [system] peek_char((0x563acd73bee0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] get_char((0x563acd73bee0), _1665892)
   Exit: (193) [system] get_char((0x563acd73bee0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _1648024)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1671462)
   Exit: (195) [system] peek_char((0x563acd73bee0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1687472)
   Exit: (194) [system] peek_char((0x563acd73bee0), $)
   Call: (194) [system] ($)=')'
   Fail: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x563acd73bee0), _1693042)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1694900)
   Exit: (196) [system] peek_char((0x563acd73bee0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] get_char((0x563acd73bee0), _1710910)
   Exit: (195) [system] get_char((0x563acd73bee0), $)
   Call: (195) [system] ($)='('
   Fail: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Fail: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Fail: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Fail: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Fail: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Fail: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Fail: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x563acd73bee0), $, _1693042)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _1728552)
   Call: (197) [system] peek_char((0x563acd73bee0), _1729486)
   Exit: (197) [system] peek_char((0x563acd73bee0), r)
^  Call: (197) [user] is_delimiter(r)
   Call: (198) [system] char_type(r, space)
   Fail: (198) [system] char_type(r, space)
   Call: (198) [system] arg(_1734206, v('(', ')', end_of_file), r)
   Fail: (198) [system] arg(_1735138, v('(', ')', end_of_file), r)
^  Fail: (197) [user] is_delimiter(r)
   Call: (197) [system] ')'==r
   Fail: (197) [system] ')'==r
   Call: (197) [system] get_char((0x563acd73bee0), r)
   Exit: (197) [system] get_char((0x563acd73bee0), r)
   Call: (197) [system] r=(\)
   Fail: (197) [system] r=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _1742488)
   Call: (198) [system] peek_char((0x563acd73bee0), _1743422)
   Exit: (198) [system] peek_char((0x563acd73bee0), b)
^  Call: (198) [user] is_delimiter(b)
   Call: (199) [system] char_type(b, space)
   Fail: (199) [system] char_type(b, space)
   Call: (199) [system] arg(_1748142, v('(', ')', end_of_file), b)
   Fail: (199) [system] arg(_1749074, v('(', ')', end_of_file), b)
^  Fail: (198) [user] is_delimiter(b)
   Call: (198) [system] ')'==b
   Fail: (198) [system] ')'==b
   Call: (198) [system] get_char((0x563acd73bee0), b)
   Exit: (198) [system] get_char((0x563acd73bee0), b)
   Call: (198) [system] b=(\)
   Fail: (198) [system] b=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _1756424)
   Call: (199) [system] peek_char((0x563acd73bee0), _1757358)
   Exit: (199) [system] peek_char((0x563acd73bee0), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_1762078, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _1756424=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (198) [system] _1742488=[b]
   Exit: (198) [system] [b]=[b]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
   Call: (197) [system] _1728552=[r, b]
   Exit: (197) [system] [r, b]=[r, b]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, b])
^  Call: (196) [user] classify_and_convert_charseq([$, r, b], _1693042)
^  Call: (197) [user] classify_and_convert_charseq_([$, r, b], _1774102)
   Call: (198) [system] atom_chars(_1775034, ['_', r, b])
   Exit: (198) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (197) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (197) [system] integer(_rb)
   Fail: (197) [system] integer(_rb)
   Call: (197) [system] _1693042=_rb
   Exit: (197) [system] _rb=_rb
^  Exit: (196) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (195) [user] read_symbolic(')', (0x563acd73bee0), $, _rb)
^  Exit: (194) [user] cont_sexpr(')', (0x563acd73bee0), _rb)
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _1784326)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1786184)
   Exit: (196) [system] peek_char((0x563acd73bee0), ')')
   Call: (196) [system] ')'=(;)
   Fail: (196) [system] ')'=(;)
   Call: (196) [system] ')'=(/)
   Fail: (196) [system] ')'=(/)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Fail: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Fail: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
   Fail: (197) [system] char_type(')', cntrl)
^  Fail: (196) [user] is_like_space(')')
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1802194)
   Exit: (195) [system] peek_char((0x563acd73bee0), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x563acd73bee0), _1805984)
   Exit: (195) [system] get_char((0x563acd73bee0), ')')
   Call: (195) [system] _1784326=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), [])
   Call: (194) [system] _1648024=[_rb]
   Exit: (194) [system] [_rb]=[_rb]
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), [_rb])
^  Exit: (192) [user] cont_sexpr(')', (0x563acd73bee0), [_rb])
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _1814278)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1816136)
   Exit: (194) [system] peek_char((0x563acd73bee0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
   Call: (194) [system] ')'=(/)
   Fail: (194) [system] ')'=(/)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1832146)
   Exit: (193) [system] peek_char((0x563acd73bee0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x563acd73bee0), _1835936)
   Exit: (193) [system] get_char((0x563acd73bee0), ')')
   Call: (193) [system] _1814278=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), [])
   Call: (192) [system] _1611364=[[_rb]]
   Exit: (192) [system] [[_rb]]=[[_rb]]
^  Exit: (191) [user] read_list(')', (0x563acd73bee0), [[_rb]])
   Call: (191) [system] _94504=[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]]
   Exit: (191) [system] [[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]]=[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]]
^  Exit: (190) [user] read_list(')', (0x563acd73bee0), [[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]])
^  Exit: (189) [user] cont_sexpr(')', (0x563acd73bee0), [[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]])
^  Call: (189) [user] read_list(')', (0x563acd73bee0), _1847024)
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _1848882)
   Exit: (191) [system] peek_char((0x563acd73bee0), '\n')
   Call: (191) [system] '\n'=(;)
   Fail: (191) [system] '\n'=(;)
   Call: (191) [system] '\n'=(/)
   Fail: (191) [system] '\n'=(/)
^  Call: (191) [user] is_like_space('\n')
   Call: (192) [system] char_type('\n', 'white')
   Fail: (192) [system] char_type('\n', 'white')
   Call: (192) [system] char_type('\n', end_of_line)
   Exit: (192) [system] char_type('\n', end_of_line)
^  Exit: (191) [user] is_like_space('\n')
   Call: (191) [system] get_char((0x563acd73bee0), _1860332)
   Exit: (191) [system] get_char((0x563acd73bee0), '\n')
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1863036)
   Exit: (192) [system] peek_char((0x563acd73bee0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x563acd73bee0), _1872630)
   Exit: (192) [system] get_char((0x563acd73bee0), ' ')
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1875334)
   Exit: (193) [system] peek_char((0x563acd73bee0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x563acd73bee0), _1884928)
   Exit: (193) [system] get_char((0x563acd73bee0), ' ')
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1887632)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x563acd73bee0), _1897226)
   Exit: (194) [system] get_char((0x563acd73bee0), ' ')
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1899930)
   Exit: (195) [system] peek_char((0x563acd73bee0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x563acd73bee0), _1909524)
   Exit: (195) [system] get_char((0x563acd73bee0), ' ')
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1912228)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x563acd73bee0), _1921822)
   Exit: (196) [system] get_char((0x563acd73bee0), ' ')
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1924526)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x563acd73bee0), _1934120)
   Exit: (197) [system] get_char((0x563acd73bee0), ' ')
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1936824)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x563acd73bee0), _1946418)
   Exit: (198) [system] get_char((0x563acd73bee0), ' ')
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1949122)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x563acd73bee0), _1958716)
   Exit: (199) [system] get_char((0x563acd73bee0), ' ')
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1961420)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x563acd73bee0), _1971014)
   Exit: (200) [system] get_char((0x563acd73bee0), ' ')
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1973718)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _1983312)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1986016)
   Exit: (202) [system] peek_char((0x563acd73bee0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _2012190)
   Exit: (190) [system] peek_char((0x563acd73bee0), '(')
   Call: (190) [system] '('=')'
   Fail: (190) [system] '('=')'
   Call: (190) [system] '('=end_of_file
   Fail: (190) [system] '('=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x563acd73bee0), _2017760)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _2019618)
   Exit: (192) [system] peek_char((0x563acd73bee0), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
   Call: (192) [system] '('=(/)
   Fail: (192) [system] '('=(/)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] get_char((0x563acd73bee0), _2035628)
   Exit: (191) [system] get_char((0x563acd73bee0), '(')
   Call: (191) [system] '('='('
   Exit: (191) [system] '('='('
^  Call: (191) [user] read_list(')', (0x563acd73bee0), _2017760)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _2041198)
   Exit: (193) [system] peek_char((0x563acd73bee0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _2057208)
   Exit: (192) [system] peek_char((0x563acd73bee0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x563acd73bee0), _2062778)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _2064636)
   Exit: (194) [system] peek_char((0x563acd73bee0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] get_char((0x563acd73bee0), _2080646)
   Exit: (193) [system] get_char((0x563acd73bee0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _2062778)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _2086216)
   Exit: (195) [system] peek_char((0x563acd73bee0), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
   Call: (195) [system] (:)=(/)
   Fail: (195) [system] (:)=(/)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _8930)
   Exit: (194) [system] peek_char((0x563acd73bee0), :)
   Call: (194) [system] (:)=')'
   Fail: (194) [system] (:)=')'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x563acd73bee0), _14500)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _16358)
   Exit: (196) [system] peek_char((0x563acd73bee0), :)
   Call: (196) [system] (:)=(;)
   Fail: (196) [system] (:)=(;)
   Call: (196) [system] (:)=(/)
   Fail: (196) [system] (:)=(/)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Fail: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Fail: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Fail: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
   Fail: (197) [system] char_type(:, cntrl)
^  Fail: (196) [user] is_like_space(:)
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] get_char((0x563acd73bee0), _32368)
   Exit: (195) [system] get_char((0x563acd73bee0), :)
   Call: (195) [system] (:)='('
   Fail: (195) [system] (:)='('
   Call: (195) [system] (:)='['
   Fail: (195) [system] (:)='['
   Call: (195) [system] (:)='{'
   Fail: (195) [system] (:)='{'
   Call: (195) [system] (:)='"'
   Fail: (195) [system] (:)='"'
   Call: (195) [system] (:)=!
   Fail: (195) [system] (:)=!
   Call: (195) [system] (:)='\''
   Fail: (195) [system] (:)='\''
   Call: (195) [system] (:)='`'
   Fail: (195) [system] (:)='`'
   Call: (195) [system] (:)=end_of_file
   Fail: (195) [system] (:)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x563acd73bee0), :, _14500)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _50010)
   Call: (197) [system] peek_char((0x563acd73bee0), _50944)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _50010=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (196) [user] classify_and_convert_charseq([:], _14500)
^  Call: (197) [user] classify_and_convert_charseq_([:], _60228)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_61180, _61182), once(user:catch(read_from_chars([:], _60228), _61162, fail)), '$restore_trace'(_61180, _61182))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_61180, _61182))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _61162, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(:)
   Exit: (198) [system] atomic(:)
^  Exit: (197) [user] classify_and_convert_charseq_([:], :)
   Call: (197) [system] integer(:)
   Fail: (197) [system] integer(:)
   Call: (197) [system] _14500=(:)
   Exit: (197) [system] (:)=(:)
^  Exit: (196) [user] classify_and_convert_charseq([:], :)
^  Exit: (195) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (194) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _73308)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _75166)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x563acd73bee0), _84760)
   Exit: (196) [system] get_char((0x563acd73bee0), ' ')
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _87464)
   Exit: (197) [system] peek_char((0x563acd73bee0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _104398)
   Exit: (195) [system] peek_char((0x563acd73bee0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x563acd73bee0), _109968)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _111826)
   Exit: (197) [system] peek_char((0x563acd73bee0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] get_char((0x563acd73bee0), _127836)
   Exit: (196) [system] get_char((0x563acd73bee0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x563acd73bee0), _109968)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _133406)
   Exit: (198) [system] peek_char((0x563acd73bee0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _149416)
   Exit: (197) [system] peek_char((0x563acd73bee0), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x563acd73bee0), _154986)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _156844)
   Exit: (199) [system] peek_char((0x563acd73bee0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] get_char((0x563acd73bee0), _172854)
   Exit: (198) [system] get_char((0x563acd73bee0), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x563acd73bee0), $, _154986)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _190496)
   Call: (200) [system] peek_char((0x563acd73bee0), _191430)
   Exit: (200) [system] peek_char((0x563acd73bee0), r)
^  Call: (200) [user] is_delimiter(r)
   Call: (201) [system] char_type(r, space)
   Fail: (201) [system] char_type(r, space)
   Call: (201) [system] arg(_196150, v('(', ')', end_of_file), r)
   Fail: (201) [system] arg(_197082, v('(', ')', end_of_file), r)
^  Fail: (200) [user] is_delimiter(r)
   Call: (200) [system] ')'==r
   Fail: (200) [system] ')'==r
   Call: (200) [system] get_char((0x563acd73bee0), r)
   Exit: (200) [system] get_char((0x563acd73bee0), r)
   Call: (200) [system] r=(\)
   Fail: (200) [system] r=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _204432)
   Call: (201) [system] peek_char((0x563acd73bee0), _205366)
   Exit: (201) [system] peek_char((0x563acd73bee0), u)
^  Call: (201) [user] is_delimiter(u)
   Call: (202) [system] char_type(u, space)
   Fail: (202) [system] char_type(u, space)
   Call: (202) [system] arg(_210086, v('(', ')', end_of_file), u)
   Fail: (202) [system] arg(_211018, v('(', ')', end_of_file), u)
^  Fail: (201) [user] is_delimiter(u)
   Call: (201) [system] ')'==u
   Fail: (201) [system] ')'==u
   Call: (201) [system] get_char((0x563acd73bee0), u)
   Exit: (201) [system] get_char((0x563acd73bee0), u)
   Call: (201) [system] u=(\)
   Fail: (201) [system] u=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _218368)
   Call: (202) [system] peek_char((0x563acd73bee0), _219302)
   Exit: (202) [system] peek_char((0x563acd73bee0), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Fail: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_224022, v('(', ')', end_of_file), c)
   Fail: (203) [system] arg(_224954, v('(', ')', end_of_file), c)
^  Fail: (202) [user] is_delimiter(c)
   Call: (202) [system] ')'==c
   Fail: (202) [system] ')'==c
   Call: (202) [system] get_char((0x563acd73bee0), c)
   Exit: (202) [system] get_char((0x563acd73bee0), c)
   Call: (202) [system] c=(\)
   Fail: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _232304)
   Call: (203) [system] peek_char((0x563acd73bee0), _233238)
   Exit: (203) [system] peek_char((0x563acd73bee0), t)
^  Call: (203) [user] is_delimiter(t)
   Call: (204) [system] char_type(t, space)
   Fail: (204) [system] char_type(t, space)
   Call: (204) [system] arg(_237958, v('(', ')', end_of_file), t)
   Fail: (204) [system] arg(_238890, v('(', ')', end_of_file), t)
^  Fail: (203) [user] is_delimiter(t)
   Call: (203) [system] ')'==t
   Fail: (203) [system] ')'==t
   Call: (203) [system] get_char((0x563acd73bee0), t)
   Exit: (203) [system] get_char((0x563acd73bee0), t)
   Call: (203) [system] t=(\)
   Fail: (203) [system] t=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _246240)
   Call: (204) [system] peek_char((0x563acd73bee0), _247174)
   Exit: (204) [system] peek_char((0x563acd73bee0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_251894, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_252826, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x563acd73bee0), o)
   Exit: (204) [system] get_char((0x563acd73bee0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _260176)
   Call: (205) [system] peek_char((0x563acd73bee0), _261110)
   Exit: (205) [system] peek_char((0x563acd73bee0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_265830, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_266762, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x563acd73bee0), r)
   Exit: (205) [system] get_char((0x563acd73bee0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _274112)
   Call: (206) [system] peek_char((0x563acd73bee0), _275046)
   Exit: (206) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _274112=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (205) [system] _260176=[r]
   Exit: (205) [system] [r]=[r]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [r])
   Call: (204) [system] _246240=[o, r]
   Exit: (204) [system] [o, r]=[o, r]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, r])
   Call: (203) [system] _232304=[t, o, r]
   Exit: (203) [system] [t, o, r]=[t, o, r]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, o, r])
   Call: (202) [system] _218368=[c, t, o, r]
   Exit: (202) [system] [c, t, o, r]=[c, t, o, r]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, o, r])
   Call: (201) [system] _204432=[u, c, t, o, r]
   Exit: (201) [system] [u, c, t, o, r]=[u, c, t, o, r]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, o, r])
   Call: (200) [system] _190496=[r, u, c, t, o, r]
   Exit: (200) [system] [r, u, c, t, o, r]=[r, u, c, t, o, r]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, u, c, t, o, r])
^  Call: (199) [user] classify_and_convert_charseq([$, r, u, c, t, o, r], _154986)
^  Call: (200) [user] classify_and_convert_charseq_([$, r, u, c, t, o, r], _301094)
   Call: (201) [system] atom_chars(_302026, ['_', r, u, c, t, o, r])
   Exit: (201) [system] atom_chars('_ructor', ['_', r, u, c, t, o, r])
^  Exit: (200) [user] classify_and_convert_charseq_([$, r, u, c, t, o, r], _ructor)
   Call: (200) [system] integer(_ructor)
   Fail: (200) [system] integer(_ructor)
   Call: (200) [system] _154986=_ructor
   Exit: (200) [system] _ructor=_ructor
^  Exit: (199) [user] classify_and_convert_charseq([$, r, u, c, t, o, r], _ructor)
^  Exit: (198) [user] read_symbolic(')', (0x563acd73bee0), $, _ructor)
^  Exit: (197) [user] cont_sexpr(')', (0x563acd73bee0), _ructor)
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _311318)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _313176)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x563acd73bee0), _322770)
   Exit: (199) [system] get_char((0x563acd73bee0), ' ')
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _325474)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _342408)
   Exit: (198) [system] peek_char((0x563acd73bee0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x563acd73bee0), _347978)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _349836)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] get_char((0x563acd73bee0), _365846)
   Exit: (199) [system] get_char((0x563acd73bee0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x563acd73bee0), $, _347978)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _383488)
   Call: (201) [system] peek_char((0x563acd73bee0), _384422)
   Exit: (201) [system] peek_char((0x563acd73bee0), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_389142, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_390074, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x563acd73bee0), p)
   Exit: (201) [system] get_char((0x563acd73bee0), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _397424)
   Call: (202) [system] peek_char((0x563acd73bee0), _398358)
   Exit: (202) [system] peek_char((0x563acd73bee0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_403078, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_404010, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x563acd73bee0), r)
   Exit: (202) [system] get_char((0x563acd73bee0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _411360)
   Call: (203) [system] peek_char((0x563acd73bee0), _412294)
   Exit: (203) [system] peek_char((0x563acd73bee0), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Fail: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_417014, v('(', ')', end_of_file), o)
   Fail: (204) [system] arg(_417946, v('(', ')', end_of_file), o)
^  Fail: (203) [user] is_delimiter(o)
   Call: (203) [system] ')'==o
   Fail: (203) [system] ')'==o
   Call: (203) [system] get_char((0x563acd73bee0), o)
   Exit: (203) [system] get_char((0x563acd73bee0), o)
   Call: (203) [system] o=(\)
   Fail: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _425296)
   Call: (204) [system] peek_char((0x563acd73bee0), _426230)
   Exit: (204) [system] peek_char((0x563acd73bee0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_430950, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_431882, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x563acd73bee0), o)
   Exit: (204) [system] get_char((0x563acd73bee0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _439232)
   Call: (205) [system] peek_char((0x563acd73bee0), _440166)
   Exit: (205) [system] peek_char((0x563acd73bee0), f)
^  Call: (205) [user] is_delimiter(f)
   Call: (206) [system] char_type(f, space)
   Fail: (206) [system] char_type(f, space)
   Call: (206) [system] arg(_444886, v('(', ')', end_of_file), f)
   Fail: (206) [system] arg(_445818, v('(', ')', end_of_file), f)
^  Fail: (205) [user] is_delimiter(f)
   Call: (205) [system] ')'==f
   Fail: (205) [system] ')'==f
   Call: (205) [system] get_char((0x563acd73bee0), f)
   Exit: (205) [system] get_char((0x563acd73bee0), f)
   Call: (205) [system] f=(\)
   Fail: (205) [system] f=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _453168)
   Call: (206) [system] peek_char((0x563acd73bee0), _454102)
   Exit: (206) [system] peek_char((0x563acd73bee0), '1')
^  Call: (206) [user] is_delimiter('1')
   Call: (207) [system] char_type('1', space)
   Fail: (207) [system] char_type('1', space)
   Call: (207) [system] arg(_458822, v('(', ')', end_of_file), '1')
   Fail: (207) [system] arg(_459754, v('(', ')', end_of_file), '1')
^  Fail: (206) [user] is_delimiter('1')
   Call: (206) [system] ')'=='1'
   Fail: (206) [system] ')'=='1'
   Call: (206) [system] get_char((0x563acd73bee0), '1')
   Exit: (206) [system] get_char((0x563acd73bee0), '1')
   Call: (206) [system] '1'=(\)
   Fail: (206) [system] '1'=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _467104)
   Call: (207) [system] peek_char((0x563acd73bee0), _468038)
   Exit: (207) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _467104=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (206) [system] _453168=['1']
   Exit: (206) [system] ['1']=['1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), ['1'])
   Call: (205) [system] _439232=[f, '1']
   Exit: (205) [system] [f, '1']=[f, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [f, '1'])
   Call: (204) [system] _425296=[o, f, '1']
   Exit: (204) [system] [o, f, '1']=[o, f, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, f, '1'])
   Call: (203) [system] _411360=[o, o, f, '1']
   Exit: (203) [system] [o, o, f, '1']=[o, o, f, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, o, f, '1'])
   Call: (202) [system] _397424=[r, o, o, f, '1']
   Exit: (202) [system] [r, o, o, f, '1']=[r, o, o, f, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, o, f, '1'])
   Call: (201) [system] _383488=[p, r, o, o, f, '1']
   Exit: (201) [system] [p, r, o, o, f, '1']=[p, r, o, o, f, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, o, o, f, '1'])
^  Call: (200) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _347978)
^  Call: (201) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _494086)
   Call: (202) [system] atom_chars(_495018, ['_', p, r, o, o, f, '1'])
   Exit: (202) [system] atom_chars('_proof1', ['_', p, r, o, o, f, '1'])
^  Exit: (201) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _proof1)
   Call: (201) [system] integer(_proof1)
   Fail: (201) [system] integer(_proof1)
   Call: (201) [system] _347978=_proof1
   Exit: (201) [system] _proof1=_proof1
^  Exit: (200) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _proof1)
^  Exit: (199) [user] read_symbolic(')', (0x563acd73bee0), $, _proof1)
^  Exit: (198) [user] cont_sexpr(')', (0x563acd73bee0), _proof1)
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _504310)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _506168)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x563acd73bee0), _515762)
   Exit: (200) [system] get_char((0x563acd73bee0), ' ')
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _518466)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _535400)
   Exit: (199) [system] peek_char((0x563acd73bee0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x563acd73bee0), _540970)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _542828)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] get_char((0x563acd73bee0), _558838)
   Exit: (200) [system] get_char((0x563acd73bee0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x563acd73bee0), $, _540970)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _576480)
   Call: (202) [system] peek_char((0x563acd73bee0), _577414)
   Exit: (202) [system] peek_char((0x563acd73bee0), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Fail: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_582134, v('(', ')', end_of_file), p)
   Fail: (203) [system] arg(_583066, v('(', ')', end_of_file), p)
^  Fail: (202) [user] is_delimiter(p)
   Call: (202) [system] ')'==p
   Fail: (202) [system] ')'==p
   Call: (202) [system] get_char((0x563acd73bee0), p)
   Exit: (202) [system] get_char((0x563acd73bee0), p)
   Call: (202) [system] p=(\)
   Fail: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _590416)
   Call: (203) [system] peek_char((0x563acd73bee0), _591350)
   Exit: (203) [system] peek_char((0x563acd73bee0), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_596070, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_597002, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x563acd73bee0), r)
   Exit: (203) [system] get_char((0x563acd73bee0), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _604352)
   Call: (204) [system] peek_char((0x563acd73bee0), _605286)
   Exit: (204) [system] peek_char((0x563acd73bee0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_610006, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_610938, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x563acd73bee0), o)
   Exit: (204) [system] get_char((0x563acd73bee0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _618288)
   Call: (205) [system] peek_char((0x563acd73bee0), _619222)
   Exit: (205) [system] peek_char((0x563acd73bee0), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_623942, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_624874, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x563acd73bee0), o)
   Exit: (205) [system] get_char((0x563acd73bee0), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _632224)
   Call: (206) [system] peek_char((0x563acd73bee0), _633158)
   Exit: (206) [system] peek_char((0x563acd73bee0), f)
^  Call: (206) [user] is_delimiter(f)
   Call: (207) [system] char_type(f, space)
   Fail: (207) [system] char_type(f, space)
   Call: (207) [system] arg(_637878, v('(', ')', end_of_file), f)
   Fail: (207) [system] arg(_638810, v('(', ')', end_of_file), f)
^  Fail: (206) [user] is_delimiter(f)
   Call: (206) [system] ')'==f
   Fail: (206) [system] ')'==f
   Call: (206) [system] get_char((0x563acd73bee0), f)
   Exit: (206) [system] get_char((0x563acd73bee0), f)
   Call: (206) [system] f=(\)
   Fail: (206) [system] f=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _646160)
   Call: (207) [system] peek_char((0x563acd73bee0), _647094)
   Exit: (207) [system] peek_char((0x563acd73bee0), '2')
^  Call: (207) [user] is_delimiter('2')
   Call: (208) [system] char_type('2', space)
   Fail: (208) [system] char_type('2', space)
   Call: (208) [system] arg(_651814, v('(', ')', end_of_file), '2')
   Fail: (208) [system] arg(_652746, v('(', ')', end_of_file), '2')
^  Fail: (207) [user] is_delimiter('2')
   Call: (207) [system] ')'=='2'
   Fail: (207) [system] ')'=='2'
   Call: (207) [system] get_char((0x563acd73bee0), '2')
   Exit: (207) [system] get_char((0x563acd73bee0), '2')
   Call: (207) [system] '2'=(\)
   Fail: (207) [system] '2'=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _660096)
   Call: (208) [system] peek_char((0x563acd73bee0), _661030)
   Exit: (208) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _660096=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (207) [system] _646160=['2']
   Exit: (207) [system] ['2']=['2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), ['2'])
   Call: (206) [system] _632224=[f, '2']
   Exit: (206) [system] [f, '2']=[f, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [f, '2'])
   Call: (205) [system] _618288=[o, f, '2']
   Exit: (205) [system] [o, f, '2']=[o, f, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, f, '2'])
   Call: (204) [system] _604352=[o, o, f, '2']
   Exit: (204) [system] [o, o, f, '2']=[o, o, f, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, o, f, '2'])
   Call: (203) [system] _590416=[r, o, o, f, '2']
   Exit: (203) [system] [r, o, o, f, '2']=[r, o, o, f, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, o, f, '2'])
   Call: (202) [system] _576480=[p, r, o, o, f, '2']
   Exit: (202) [system] [p, r, o, o, f, '2']=[p, r, o, o, f, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, o, o, f, '2'])
^  Call: (201) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _540970)
^  Call: (202) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _687078)
   Call: (203) [system] atom_chars(_688010, ['_', p, r, o, o, f, '2'])
   Exit: (203) [system] atom_chars('_proof2', ['_', p, r, o, o, f, '2'])
^  Exit: (202) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _proof2)
   Call: (202) [system] integer(_proof2)
   Fail: (202) [system] integer(_proof2)
   Call: (202) [system] _540970=_proof2
   Exit: (202) [system] _proof2=_proof2
^  Exit: (201) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _proof2)
^  Exit: (200) [user] read_symbolic(')', (0x563acd73bee0), $, _proof2)
^  Exit: (199) [user] cont_sexpr(')', (0x563acd73bee0), _proof2)
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _697302)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _699160)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _708754)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _711458)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _728392)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x563acd73bee0), _733962)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _735820)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] get_char((0x563acd73bee0), _751830)
   Exit: (201) [system] get_char((0x563acd73bee0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x563acd73bee0), $, _733962)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _769472)
   Call: (203) [system] peek_char((0x563acd73bee0), _770406)
   Exit: (203) [system] peek_char((0x563acd73bee0), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Fail: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_775126, v('(', ')', end_of_file), p)
   Fail: (204) [system] arg(_776058, v('(', ')', end_of_file), p)
^  Fail: (203) [user] is_delimiter(p)
   Call: (203) [system] ')'==p
   Fail: (203) [system] ')'==p
   Call: (203) [system] get_char((0x563acd73bee0), p)
   Exit: (203) [system] get_char((0x563acd73bee0), p)
   Call: (203) [system] p=(\)
   Fail: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _783408)
   Call: (204) [system] peek_char((0x563acd73bee0), _784342)
   Exit: (204) [system] peek_char((0x563acd73bee0), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_789062, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_789994, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x563acd73bee0), r)
   Exit: (204) [system] get_char((0x563acd73bee0), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _797344)
   Call: (205) [system] peek_char((0x563acd73bee0), _798278)
   Exit: (205) [system] peek_char((0x563acd73bee0), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_802998, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_803930, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x563acd73bee0), o)
   Exit: (205) [system] get_char((0x563acd73bee0), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _811280)
   Call: (206) [system] peek_char((0x563acd73bee0), _812214)
   Exit: (206) [system] peek_char((0x563acd73bee0), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_816934, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_817866, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x563acd73bee0), o)
   Exit: (206) [system] get_char((0x563acd73bee0), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _825216)
   Call: (207) [system] peek_char((0x563acd73bee0), _826150)
   Exit: (207) [system] peek_char((0x563acd73bee0), f)
^  Call: (207) [user] is_delimiter(f)
   Call: (208) [system] char_type(f, space)
   Fail: (208) [system] char_type(f, space)
   Call: (208) [system] arg(_830870, v('(', ')', end_of_file), f)
   Fail: (208) [system] arg(_831802, v('(', ')', end_of_file), f)
^  Fail: (207) [user] is_delimiter(f)
   Call: (207) [system] ')'==f
   Fail: (207) [system] ')'==f
   Call: (207) [system] get_char((0x563acd73bee0), f)
   Exit: (207) [system] get_char((0x563acd73bee0), f)
   Call: (207) [system] f=(\)
   Fail: (207) [system] f=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _839152)
   Call: (208) [system] peek_char((0x563acd73bee0), _840086)
   Exit: (208) [system] peek_char((0x563acd73bee0), '3')
^  Call: (208) [user] is_delimiter('3')
   Call: (209) [system] char_type('3', space)
   Fail: (209) [system] char_type('3', space)
   Call: (209) [system] arg(_844806, v('(', ')', end_of_file), '3')
   Fail: (209) [system] arg(_845738, v('(', ')', end_of_file), '3')
^  Fail: (208) [user] is_delimiter('3')
   Call: (208) [system] ')'=='3'
   Fail: (208) [system] ')'=='3'
   Call: (208) [system] get_char((0x563acd73bee0), '3')
   Exit: (208) [system] get_char((0x563acd73bee0), '3')
   Call: (208) [system] '3'=(\)
   Fail: (208) [system] '3'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _853088)
   Call: (209) [system] peek_char((0x563acd73bee0), _854022)
   Exit: (209) [system] peek_char((0x563acd73bee0), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_858742, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _853088=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (208) [system] _839152=['3']
   Exit: (208) [system] ['3']=['3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), ['3'])
   Call: (207) [system] _825216=[f, '3']
   Exit: (207) [system] [f, '3']=[f, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [f, '3'])
   Call: (206) [system] _811280=[o, f, '3']
   Exit: (206) [system] [o, f, '3']=[o, f, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, f, '3'])
   Call: (205) [system] _797344=[o, o, f, '3']
   Exit: (205) [system] [o, o, f, '3']=[o, o, f, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, o, f, '3'])
   Call: (204) [system] _783408=[r, o, o, f, '3']
   Exit: (204) [system] [r, o, o, f, '3']=[r, o, o, f, '3']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, o, f, '3'])
   Call: (203) [system] _769472=[p, r, o, o, f, '3']
   Exit: (203) [system] [p, r, o, o, f, '3']=[p, r, o, o, f, '3']
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, o, o, f, '3'])
^  Call: (202) [user] classify_and_convert_charseq([$, p, r, o, o, f, '3'], _733962)
^  Call: (203) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '3'], _881942)
   Call: (204) [system] atom_chars(_882874, ['_', p, r, o, o, f, '3'])
   Exit: (204) [system] atom_chars('_proof3', ['_', p, r, o, o, f, '3'])
^  Exit: (203) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '3'], _proof3)
   Call: (203) [system] integer(_proof3)
   Fail: (203) [system] integer(_proof3)
   Call: (203) [system] _733962=_proof3
   Exit: (203) [system] _proof3=_proof3
^  Exit: (202) [user] classify_and_convert_charseq([$, p, r, o, o, f, '3'], _proof3)
^  Exit: (201) [user] read_symbolic(')', (0x563acd73bee0), $, _proof3)
^  Exit: (200) [user] cont_sexpr(')', (0x563acd73bee0), _proof3)
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _892166)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _894024)
   Exit: (202) [system] peek_char((0x563acd73bee0), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
   Call: (202) [system] ')'=(/)
   Fail: (202) [system] ')'=(/)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _910034)
   Exit: (201) [system] peek_char((0x563acd73bee0), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x563acd73bee0), _913824)
   Exit: (201) [system] get_char((0x563acd73bee0), ')')
   Call: (201) [system] _892166=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), [])
   Call: (200) [system] _697302=[_proof3]
   Exit: (200) [system] [_proof3]=[_proof3]
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), [_proof3])
   Call: (199) [system] _504310=[_proof2, _proof3]
   Exit: (199) [system] [_proof2, _proof3]=[_proof2, _proof3]
^  Exit: (198) [user] read_list(')', (0x563acd73bee0), [_proof2, _proof3])
   Call: (198) [system] _311318=[_proof1, _proof2, _proof3]
   Exit: (198) [system] [_proof1, _proof2, _proof3]=[_proof1, _proof2, _proof3]
^  Exit: (197) [user] read_list(')', (0x563acd73bee0), [_proof1, _proof2, _proof3])
   Call: (197) [system] _109968=[_ructor, _proof1, _proof2, _proof3]
   Exit: (197) [system] [_ructor, _proof1, _proof2, _proof3]=[_ructor, _proof1, _proof2, _proof3]
^  Exit: (196) [user] read_list(')', (0x563acd73bee0), [_ructor, _proof1, _proof2, _proof3])
^  Exit: (195) [user] cont_sexpr(')', (0x563acd73bee0), [_ructor, _proof1, _proof2, _proof3])
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _930500)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _932358)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x563acd73bee0), _941952)
   Exit: (197) [system] get_char((0x563acd73bee0), ' ')
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _944656)
   Exit: (198) [system] peek_char((0x563acd73bee0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _961590)
   Exit: (196) [system] peek_char((0x563acd73bee0), $)
   Call: (196) [system] ($)=')'
   Fail: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x563acd73bee0), _967160)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _969018)
   Exit: (198) [system] peek_char((0x563acd73bee0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] get_char((0x563acd73bee0), _985028)
   Exit: (197) [system] get_char((0x563acd73bee0), $)
   Call: (197) [system] ($)='('
   Fail: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Fail: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Fail: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Fail: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Fail: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Fail: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Fail: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x563acd73bee0), $, _967160)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _1002670)
   Call: (199) [system] peek_char((0x563acd73bee0), _1003604)
   Exit: (199) [system] peek_char((0x563acd73bee0), c)
^  Call: (199) [user] is_delimiter(c)
   Call: (200) [system] char_type(c, space)
   Fail: (200) [system] char_type(c, space)
   Call: (200) [system] arg(_1008324, v('(', ')', end_of_file), c)
   Fail: (200) [system] arg(_1009256, v('(', ')', end_of_file), c)
^  Fail: (199) [user] is_delimiter(c)
   Call: (199) [system] ')'==c
   Fail: (199) [system] ')'==c
   Call: (199) [system] get_char((0x563acd73bee0), c)
   Exit: (199) [system] get_char((0x563acd73bee0), c)
   Call: (199) [system] c=(\)
   Fail: (199) [system] c=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _1016606)
   Call: (200) [system] peek_char((0x563acd73bee0), _1017540)
   Exit: (200) [system] peek_char((0x563acd73bee0), o)
^  Call: (200) [user] is_delimiter(o)
   Call: (201) [system] char_type(o, space)
   Fail: (201) [system] char_type(o, space)
   Call: (201) [system] arg(_1022260, v('(', ')', end_of_file), o)
   Fail: (201) [system] arg(_1023192, v('(', ')', end_of_file), o)
^  Fail: (200) [user] is_delimiter(o)
   Call: (200) [system] ')'==o
   Fail: (200) [system] ')'==o
   Call: (200) [system] get_char((0x563acd73bee0), o)
   Exit: (200) [system] get_char((0x563acd73bee0), o)
   Call: (200) [system] o=(\)
   Fail: (200) [system] o=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _1030542)
   Call: (201) [system] peek_char((0x563acd73bee0), _1031476)
   Exit: (201) [system] peek_char((0x563acd73bee0), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_1036196, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_1037128, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x563acd73bee0), n)
   Exit: (201) [system] get_char((0x563acd73bee0), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _1044478)
   Call: (202) [system] peek_char((0x563acd73bee0), _1045412)
   Exit: (202) [system] peek_char((0x563acd73bee0), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Fail: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_1050132, v('(', ')', end_of_file), c)
   Fail: (203) [system] arg(_1051064, v('(', ')', end_of_file), c)
^  Fail: (202) [user] is_delimiter(c)
   Call: (202) [system] ')'==c
   Fail: (202) [system] ')'==c
   Call: (202) [system] get_char((0x563acd73bee0), c)
   Exit: (202) [system] get_char((0x563acd73bee0), c)
   Call: (202) [system] c=(\)
   Fail: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1058414)
   Call: (203) [system] peek_char((0x563acd73bee0), _1059348)
   Exit: (203) [system] peek_char((0x563acd73bee0), l)
^  Call: (203) [user] is_delimiter(l)
   Call: (204) [system] char_type(l, space)
   Fail: (204) [system] char_type(l, space)
   Call: (204) [system] arg(_1064068, v('(', ')', end_of_file), l)
   Fail: (204) [system] arg(_1065000, v('(', ')', end_of_file), l)
^  Fail: (203) [user] is_delimiter(l)
   Call: (203) [system] ')'==l
   Fail: (203) [system] ')'==l
   Call: (203) [system] get_char((0x563acd73bee0), l)
   Exit: (203) [system] get_char((0x563acd73bee0), l)
   Call: (203) [system] l=(\)
   Fail: (203) [system] l=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1072350)
   Call: (204) [system] peek_char((0x563acd73bee0), _1073284)
   Exit: (204) [system] peek_char((0x563acd73bee0), u)
^  Call: (204) [user] is_delimiter(u)
   Call: (205) [system] char_type(u, space)
   Fail: (205) [system] char_type(u, space)
   Call: (205) [system] arg(_1078004, v('(', ')', end_of_file), u)
   Fail: (205) [system] arg(_1078936, v('(', ')', end_of_file), u)
^  Fail: (204) [user] is_delimiter(u)
   Call: (204) [system] ')'==u
   Fail: (204) [system] ')'==u
   Call: (204) [system] get_char((0x563acd73bee0), u)
   Exit: (204) [system] get_char((0x563acd73bee0), u)
   Call: (204) [system] u=(\)
   Fail: (204) [system] u=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1086286)
   Call: (205) [system] peek_char((0x563acd73bee0), _1087220)
   Exit: (205) [system] peek_char((0x563acd73bee0), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Fail: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_1091940, v('(', ')', end_of_file), s)
   Fail: (206) [system] arg(_1092872, v('(', ')', end_of_file), s)
^  Fail: (205) [user] is_delimiter(s)
   Call: (205) [system] ')'==s
   Fail: (205) [system] ')'==s
   Call: (205) [system] get_char((0x563acd73bee0), s)
   Exit: (205) [system] get_char((0x563acd73bee0), s)
   Call: (205) [system] s=(\)
   Fail: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1100222)
   Call: (206) [system] peek_char((0x563acd73bee0), _1101156)
   Exit: (206) [system] peek_char((0x563acd73bee0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_1105876, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_1106808, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x563acd73bee0), i)
   Exit: (206) [system] get_char((0x563acd73bee0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1114158)
   Call: (207) [system] peek_char((0x563acd73bee0), _1115092)
   Exit: (207) [system] peek_char((0x563acd73bee0), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_1119812, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_1120744, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x563acd73bee0), o)
   Exit: (207) [system] get_char((0x563acd73bee0), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1128094)
   Call: (208) [system] peek_char((0x563acd73bee0), _1129028)
   Exit: (208) [system] peek_char((0x563acd73bee0), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Fail: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_1133748, v('(', ')', end_of_file), n)
   Fail: (209) [system] arg(_1134680, v('(', ')', end_of_file), n)
^  Fail: (208) [user] is_delimiter(n)
   Call: (208) [system] ')'==n
   Fail: (208) [system] ')'==n
   Call: (208) [system] get_char((0x563acd73bee0), n)
   Exit: (208) [system] get_char((0x563acd73bee0), n)
   Call: (208) [system] n=(\)
   Fail: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1142030)
   Call: (209) [system] peek_char((0x563acd73bee0), _1142964)
   Exit: (209) [system] peek_char((0x563acd73bee0), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_1147684, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _1142030=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (208) [system] _1128094=[n]
   Exit: (208) [system] [n]=[n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (207) [system] _1114158=[o, n]
   Exit: (207) [system] [o, n]=[o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (206) [system] _1100222=[i, o, n]
   Exit: (206) [system] [i, o, n]=[i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (205) [system] _1086286=[s, i, o, n]
   Exit: (205) [system] [s, i, o, n]=[s, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, i, o, n])
   Call: (204) [system] _1072350=[u, s, i, o, n]
   Exit: (204) [system] [u, s, i, o, n]=[u, s, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, s, i, o, n])
   Call: (203) [system] _1058414=[l, u, s, i, o, n]
   Exit: (203) [system] [l, u, s, i, o, n]=[l, u, s, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, u, s, i, o, n])
   Call: (202) [system] _1044478=[c, l, u, s, i, o, n]
   Exit: (202) [system] [c, l, u, s, i, o, n]=[c, l, u, s, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, l, u, s, i, o, n])
   Call: (201) [system] _1030542=[n, c, l, u, s, i, o, n]
   Exit: (201) [system] [n, c, l, u, s, i, o, n]=[n, c, l, u, s, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, l, u, s, i, o, n])
   Call: (200) [system] _1016606=[o, n, c, l, u, s, i, o, n]
   Exit: (200) [system] [o, n, c, l, u, s, i, o, n]=[o, n, c, l, u, s, i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, c, l, u, s, i, o, n])
   Call: (199) [system] _1002670=[c, o, n, c, l, u, s, i, o, n]
   Exit: (199) [system] [c, o, n, c, l, u, s, i, o, n]=[c, o, n, c, l, u, s, i, o, n]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, o, n, c, l, u, s, i, o, n])
^  Call: (198) [user] classify_and_convert_charseq([$, c, o, n, c, l, u, s, i, o, n], _967160)
^  Call: (199) [user] classify_and_convert_charseq_([$, c, o, n, c, l, u, s, i, o, n], _1182060)
   Call: (200) [system] atom_chars(_1182992, ['_', c, o, n, c, l, u, s, i, o, n])
   Exit: (200) [system] atom_chars('_conclusion', ['_', c, o, n, c, l, u, s, i, o, n])
^  Exit: (199) [user] classify_and_convert_charseq_([$, c, o, n, c, l, u, s, i, o, n], _conclusion)
   Call: (199) [system] integer(_conclusion)
   Fail: (199) [system] integer(_conclusion)
   Call: (199) [system] _967160=_conclusion
   Exit: (199) [system] _conclusion=_conclusion
^  Exit: (198) [user] classify_and_convert_charseq([$, c, o, n, c, l, u, s, i, o, n], _conclusion)
^  Exit: (197) [user] read_symbolic(')', (0x563acd73bee0), $, _conclusion)
^  Exit: (196) [user] cont_sexpr(')', (0x563acd73bee0), _conclusion)
^  Call: (196) [user] read_list(')', (0x563acd73bee0), _1192284)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1194142)
   Exit: (198) [system] peek_char((0x563acd73bee0), ')')
   Call: (198) [system] ')'=(;)
   Fail: (198) [system] ')'=(;)
   Call: (198) [system] ')'=(/)
   Fail: (198) [system] ')'=(/)
^  Call: (198) [user] is_like_space(')')
   Call: (199) [system] char_type(')', 'white')
   Fail: (199) [system] char_type(')', 'white')
   Call: (199) [system] char_type(')', end_of_line)
   Fail: (199) [system] char_type(')', end_of_line)
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] char_type(')', cntrl)
   Fail: (199) [system] char_type(')', cntrl)
^  Fail: (198) [user] is_like_space(')')
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1210152)
   Exit: (197) [system] peek_char((0x563acd73bee0), ')')
   Call: (197) [system] ')'=')'
   Exit: (197) [system] ')'=')'
   Call: (197) [system] get_char((0x563acd73bee0), _1213942)
   Exit: (197) [system] get_char((0x563acd73bee0), ')')
   Call: (197) [system] _1192284=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_list(')', (0x563acd73bee0), [])
   Call: (196) [system] _930500=[_conclusion]
   Exit: (196) [system] [_conclusion]=[_conclusion]
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), [_conclusion])
   Call: (195) [system] _73308=[[_ructor, _proof1, _proof2, _proof3], _conclusion]
   Exit: (195) [system] [[_ructor, _proof1, _proof2, _proof3], _conclusion]=[[_ructor, _proof1, _proof2, _proof3], _conclusion]
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), [[_ructor, _proof1, _proof2, _proof3], _conclusion])
   Call: (194) [system] _3544=[:, [_ructor, _proof1, _proof2, _proof3], _conclusion]
   Exit: (194) [system] [:, [_ructor, _proof1, _proof2, _proof3], _conclusion]=[:, [_ructor, _proof1, _proof2, _proof3], _conclusion]
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), [:, [_ructor, _proof1, _proof2, _proof3], _conclusion])
^  Exit: (192) [user] cont_sexpr(')', (0x563acd73bee0), [:, [_ructor, _proof1, _proof2, _proof3], _conclusion])
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _1227824)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1229682)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x563acd73bee0), _1239276)
   Exit: (194) [system] get_char((0x563acd73bee0), ' ')
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1241980)
   Exit: (195) [system] peek_char((0x563acd73bee0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1258914)
   Exit: (193) [system] peek_char((0x563acd73bee0), $)
   Call: (193) [system] ($)=')'
   Fail: (193) [system] ($)=')'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x563acd73bee0), _1264484)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1266342)
   Exit: (195) [system] peek_char((0x563acd73bee0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] get_char((0x563acd73bee0), _1282352)
   Exit: (194) [system] get_char((0x563acd73bee0), $)
   Call: (194) [system] ($)='('
   Fail: (194) [system] ($)='('
   Call: (194) [system] ($)='['
   Fail: (194) [system] ($)='['
   Call: (194) [system] ($)='{'
   Fail: (194) [system] ($)='{'
   Call: (194) [system] ($)='"'
   Fail: (194) [system] ($)='"'
   Call: (194) [system] ($)=!
   Fail: (194) [system] ($)=!
   Call: (194) [system] ($)='\''
   Fail: (194) [system] ($)='\''
   Call: (194) [system] ($)='`'
   Fail: (194) [system] ($)='`'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x563acd73bee0), $, _1264484)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _1299994)
   Call: (196) [system] peek_char((0x563acd73bee0), _1300928)
   Exit: (196) [system] peek_char((0x563acd73bee0), q)
^  Call: (196) [user] is_delimiter(q)
   Call: (197) [system] char_type(q, space)
   Fail: (197) [system] char_type(q, space)
   Call: (197) [system] arg(_1305648, v('(', ')', end_of_file), q)
   Fail: (197) [system] arg(_1306580, v('(', ')', end_of_file), q)
^  Fail: (196) [user] is_delimiter(q)
   Call: (196) [system] ')'==q
   Fail: (196) [system] ')'==q
   Call: (196) [system] get_char((0x563acd73bee0), q)
   Exit: (196) [system] get_char((0x563acd73bee0), q)
   Call: (196) [system] q=(\)
   Fail: (196) [system] q=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _1313930)
   Call: (197) [system] peek_char((0x563acd73bee0), _1314864)
   Exit: (197) [system] peek_char((0x563acd73bee0), u)
^  Call: (197) [user] is_delimiter(u)
   Call: (198) [system] char_type(u, space)
   Fail: (198) [system] char_type(u, space)
   Call: (198) [system] arg(_1319584, v('(', ')', end_of_file), u)
   Fail: (198) [system] arg(_1320516, v('(', ')', end_of_file), u)
^  Fail: (197) [user] is_delimiter(u)
   Call: (197) [system] ')'==u
   Fail: (197) [system] ')'==u
   Call: (197) [system] get_char((0x563acd73bee0), u)
   Exit: (197) [system] get_char((0x563acd73bee0), u)
   Call: (197) [system] u=(\)
   Fail: (197) [system] u=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _1327866)
   Call: (198) [system] peek_char((0x563acd73bee0), _1328800)
   Exit: (198) [system] peek_char((0x563acd73bee0), e)
^  Call: (198) [user] is_delimiter(e)
   Call: (199) [system] char_type(e, space)
   Fail: (199) [system] char_type(e, space)
   Call: (199) [system] arg(_1333520, v('(', ')', end_of_file), e)
   Fail: (199) [system] arg(_1334452, v('(', ')', end_of_file), e)
^  Fail: (198) [user] is_delimiter(e)
   Call: (198) [system] ')'==e
   Fail: (198) [system] ')'==e
   Call: (198) [system] get_char((0x563acd73bee0), e)
   Exit: (198) [system] get_char((0x563acd73bee0), e)
   Call: (198) [system] e=(\)
   Fail: (198) [system] e=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _1341802)
   Call: (199) [system] peek_char((0x563acd73bee0), _1342736)
   Exit: (199) [system] peek_char((0x563acd73bee0), r)
^  Call: (199) [user] is_delimiter(r)
   Call: (200) [system] char_type(r, space)
   Fail: (200) [system] char_type(r, space)
   Call: (200) [system] arg(_1347456, v('(', ')', end_of_file), r)
   Fail: (200) [system] arg(_1348388, v('(', ')', end_of_file), r)
^  Fail: (199) [user] is_delimiter(r)
   Call: (199) [system] ')'==r
   Fail: (199) [system] ')'==r
   Call: (199) [system] get_char((0x563acd73bee0), r)
   Exit: (199) [system] get_char((0x563acd73bee0), r)
   Call: (199) [system] r=(\)
   Fail: (199) [system] r=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _1355738)
   Call: (200) [system] peek_char((0x563acd73bee0), _1356672)
   Exit: (200) [system] peek_char((0x563acd73bee0), y)
^  Call: (200) [user] is_delimiter(y)
   Call: (201) [system] char_type(y, space)
   Fail: (201) [system] char_type(y, space)
   Call: (201) [system] arg(_1361392, v('(', ')', end_of_file), y)
   Fail: (201) [system] arg(_1362324, v('(', ')', end_of_file), y)
^  Fail: (200) [user] is_delimiter(y)
   Call: (200) [system] ')'==y
   Fail: (200) [system] ')'==y
   Call: (200) [system] get_char((0x563acd73bee0), y)
   Exit: (200) [system] get_char((0x563acd73bee0), y)
   Call: (200) [system] y=(\)
   Fail: (200) [system] y=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _1369674)
   Call: (201) [system] peek_char((0x563acd73bee0), _1370608)
   Exit: (201) [system] peek_char((0x563acd73bee0), ')')
^  Call: (201) [user] is_delimiter(')')
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] arg(_1375328, v('(', ')', end_of_file), ')')
   Exit: (202) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (201) [user] is_delimiter(')')
   Call: (201) [system] _1369674=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (200) [system] _1355738=[y]
   Exit: (200) [system] [y]=[y]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [y])
   Call: (199) [system] _1341802=[r, y]
   Exit: (199) [system] [r, y]=[r, y]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, y])
   Call: (198) [system] _1327866=[e, r, y]
   Exit: (198) [system] [e, r, y]=[e, r, y]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, r, y])
   Call: (197) [system] _1313930=[u, e, r, y]
   Exit: (197) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, e, r, y])
   Call: (196) [system] _1299994=[q, u, e, r, y]
   Exit: (196) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [q, u, e, r, y])
^  Call: (195) [user] classify_and_convert_charseq([$, q, u, e, r, y], _1264484)
^  Call: (196) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _1395734)
   Call: (197) [system] atom_chars(_1396666, ['_', q, u, e, r, y])
   Exit: (197) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (196) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _query)
   Call: (196) [system] integer(_query)
   Fail: (196) [system] integer(_query)
   Call: (196) [system] _1264484=_query
   Exit: (196) [system] _query=_query
^  Exit: (195) [user] classify_and_convert_charseq([$, q, u, e, r, y], _query)
^  Exit: (194) [user] read_symbolic(')', (0x563acd73bee0), $, _query)
^  Exit: (193) [user] cont_sexpr(')', (0x563acd73bee0), _query)
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _1405958)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1407816)
   Exit: (195) [system] peek_char((0x563acd73bee0), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
   Call: (195) [system] ')'=(/)
   Fail: (195) [system] ')'=(/)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1423826)
   Exit: (194) [system] peek_char((0x563acd73bee0), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x563acd73bee0), _1427616)
   Exit: (194) [system] get_char((0x563acd73bee0), ')')
   Call: (194) [system] _1405958=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), [])
   Call: (193) [system] _1227824=[_query]
   Exit: (193) [system] [_query]=[_query]
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), [_query])
   Call: (192) [system] _3538=[[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query]
   Exit: (192) [system] [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query]=[[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query]
^  Exit: (191) [user] read_list(')', (0x563acd73bee0), [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query])
^  Exit: (190) [user] cont_sexpr(')', (0x563acd73bee0), [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query])
^  Call: (190) [user] read_list(')', (0x563acd73bee0), _1438704)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1440562)
   Exit: (192) [system] peek_char((0x563acd73bee0), '\n')
   Call: (192) [system] '\n'=(;)
   Fail: (192) [system] '\n'=(;)
   Call: (192) [system] '\n'=(/)
   Fail: (192) [system] '\n'=(/)
^  Call: (192) [user] is_like_space('\n')
   Call: (193) [system] char_type('\n', 'white')
   Fail: (193) [system] char_type('\n', 'white')
   Call: (193) [system] char_type('\n', end_of_line)
   Exit: (193) [system] char_type('\n', end_of_line)
^  Exit: (192) [user] is_like_space('\n')
   Call: (192) [system] get_char((0x563acd73bee0), _1452012)
   Exit: (192) [system] get_char((0x563acd73bee0), '\n')
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1454716)
   Exit: (193) [system] peek_char((0x563acd73bee0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x563acd73bee0), _1464310)
   Exit: (193) [system] get_char((0x563acd73bee0), ' ')
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1467014)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x563acd73bee0), _1476608)
   Exit: (194) [system] get_char((0x563acd73bee0), ' ')
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1479312)
   Exit: (195) [system] peek_char((0x563acd73bee0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x563acd73bee0), _1488906)
   Exit: (195) [system] get_char((0x563acd73bee0), ' ')
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1491610)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x563acd73bee0), _1501204)
   Exit: (196) [system] get_char((0x563acd73bee0), ' ')
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1503908)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x563acd73bee0), _1513502)
   Exit: (197) [system] get_char((0x563acd73bee0), ' ')
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1516206)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x563acd73bee0), _1525800)
   Exit: (198) [system] get_char((0x563acd73bee0), ' ')
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1528504)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x563acd73bee0), _1538098)
   Exit: (199) [system] get_char((0x563acd73bee0), ' ')
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1540802)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x563acd73bee0), _1550396)
   Exit: (200) [system] get_char((0x563acd73bee0), ' ')
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1553100)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _1562694)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1565398)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x563acd73bee0), _1574992)
   Exit: (202) [system] get_char((0x563acd73bee0), ' ')
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1577696)
   Exit: (203) [system] peek_char((0x563acd73bee0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _1603870)
   Exit: (191) [system] peek_char((0x563acd73bee0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x563acd73bee0), _1609440)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1611298)
   Exit: (193) [system] peek_char((0x563acd73bee0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] get_char((0x563acd73bee0), _1627308)
   Exit: (192) [system] get_char((0x563acd73bee0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _1609440)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1632878)
   Exit: (194) [system] peek_char((0x563acd73bee0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1648888)
   Exit: (193) [system] peek_char((0x563acd73bee0), '(')
   Call: (193) [system] '('=')'
   Fail: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
   Fail: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x563acd73bee0), _1654458)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1656316)
   Exit: (195) [system] peek_char((0x563acd73bee0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] get_char((0x563acd73bee0), _1672326)
   Exit: (194) [system] get_char((0x563acd73bee0), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _1654458)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1677896)
   Exit: (196) [system] peek_char((0x563acd73bee0), :)
   Call: (196) [system] (:)=(;)
   Fail: (196) [system] (:)=(;)
   Call: (196) [system] (:)=(/)
   Fail: (196) [system] (:)=(/)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Fail: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Fail: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Fail: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
   Fail: (197) [system] char_type(:, cntrl)
^  Fail: (196) [user] is_like_space(:)
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1693906)
   Exit: (195) [system] peek_char((0x563acd73bee0), :)
   Call: (195) [system] (:)=')'
   Fail: (195) [system] (:)=')'
   Call: (195) [system] (:)=end_of_file
   Fail: (195) [system] (:)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x563acd73bee0), _1699476)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1701334)
   Exit: (197) [system] peek_char((0x563acd73bee0), :)
   Call: (197) [system] (:)=(;)
   Fail: (197) [system] (:)=(;)
   Call: (197) [system] (:)=(/)
   Fail: (197) [system] (:)=(/)
^  Call: (197) [user] is_like_space(:)
   Call: (198) [system] char_type(:, 'white')
   Fail: (198) [system] char_type(:, 'white')
   Call: (198) [system] char_type(:, end_of_line)
   Fail: (198) [system] char_type(:, end_of_line)
   Call: (198) [system] char_type(:, space)
   Fail: (198) [system] char_type(:, space)
   Call: (198) [system] char_type(:, cntrl)
   Fail: (198) [system] char_type(:, cntrl)
^  Fail: (197) [user] is_like_space(:)
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] get_char((0x563acd73bee0), _1717344)
   Exit: (196) [system] get_char((0x563acd73bee0), :)
   Call: (196) [system] (:)='('
   Fail: (196) [system] (:)='('
   Call: (196) [system] (:)='['
   Fail: (196) [system] (:)='['
   Call: (196) [system] (:)='{'
   Fail: (196) [system] (:)='{'
   Call: (196) [system] (:)='"'
   Fail: (196) [system] (:)='"'
   Call: (196) [system] (:)=!
   Fail: (196) [system] (:)=!
   Call: (196) [system] (:)='\''
   Fail: (196) [system] (:)='\''
   Call: (196) [system] (:)='`'
   Fail: (196) [system] (:)='`'
   Call: (196) [system] (:)=end_of_file
   Fail: (196) [system] (:)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x563acd73bee0), :, _1699476)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _1734986)
   Call: (198) [system] peek_char((0x563acd73bee0), _1735920)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _1734986=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (197) [user] classify_and_convert_charseq([:], _1699476)
^  Call: (198) [user] classify_and_convert_charseq_([:], _1745204)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_1746156, _1746158), once(user:catch(read_from_chars([:], _1745204), _1746138, fail)), '$restore_trace'(_1746156, _1746158))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_1746156, _1746158))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1746138, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(:)
   Exit: (199) [system] atomic(:)
^  Exit: (198) [user] classify_and_convert_charseq_([:], :)
   Call: (198) [system] integer(:)
   Fail: (198) [system] integer(:)
   Call: (198) [system] _1699476=(:)
   Exit: (198) [system] (:)=(:)
^  Exit: (197) [user] classify_and_convert_charseq([:], :)
^  Exit: (196) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (195) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _1758284)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1760142)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x563acd73bee0), _1769736)
   Exit: (197) [system] get_char((0x563acd73bee0), ' ')
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1772440)
   Exit: (198) [system] peek_char((0x563acd73bee0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1789374)
   Exit: (196) [system] peek_char((0x563acd73bee0), $)
   Call: (196) [system] ($)=')'
   Fail: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x563acd73bee0), _1794944)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1796802)
   Exit: (198) [system] peek_char((0x563acd73bee0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] get_char((0x563acd73bee0), _1812812)
   Exit: (197) [system] get_char((0x563acd73bee0), $)
   Call: (197) [system] ($)='('
   Fail: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Fail: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Fail: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Fail: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Fail: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Fail: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Fail: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x563acd73bee0), $, _1794944)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _1830454)
   Call: (199) [system] peek_char((0x563acd73bee0), _1831388)
   Exit: (199) [system] peek_char((0x563acd73bee0), p)
^  Call: (199) [user] is_delimiter(p)
   Call: (200) [system] char_type(p, space)
   Fail: (200) [system] char_type(p, space)
   Call: (200) [system] arg(_1836108, v('(', ')', end_of_file), p)
   Fail: (200) [system] arg(_1837040, v('(', ')', end_of_file), p)
^  Fail: (199) [user] is_delimiter(p)
   Call: (199) [system] ')'==p
   Fail: (199) [system] ')'==p
   Call: (199) [system] get_char((0x563acd73bee0), p)
   Exit: (199) [system] get_char((0x563acd73bee0), p)
   Call: (199) [system] p=(\)
   Fail: (199) [system] p=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _1844390)
   Call: (200) [system] peek_char((0x563acd73bee0), _1845324)
   Exit: (200) [system] peek_char((0x563acd73bee0), r)
^  Call: (200) [user] is_delimiter(r)
   Call: (201) [system] char_type(r, space)
   Fail: (201) [system] char_type(r, space)
   Call: (201) [system] arg(_1850044, v('(', ')', end_of_file), r)
   Fail: (201) [system] arg(_1850976, v('(', ')', end_of_file), r)
^  Fail: (200) [user] is_delimiter(r)
   Call: (200) [system] ')'==r
   Fail: (200) [system] ')'==r
   Call: (200) [system] get_char((0x563acd73bee0), r)
   Exit: (200) [system] get_char((0x563acd73bee0), r)
   Call: (200) [system] r=(\)
   Fail: (200) [system] r=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _1858326)
   Call: (201) [system] peek_char((0x563acd73bee0), _1859260)
   Exit: (201) [system] peek_char((0x563acd73bee0), o)
^  Call: (201) [user] is_delimiter(o)
   Call: (202) [system] char_type(o, space)
   Fail: (202) [system] char_type(o, space)
   Call: (202) [system] arg(_1863980, v('(', ')', end_of_file), o)
   Fail: (202) [system] arg(_1864912, v('(', ')', end_of_file), o)
^  Fail: (201) [user] is_delimiter(o)
   Call: (201) [system] ')'==o
   Fail: (201) [system] ')'==o
   Call: (201) [system] get_char((0x563acd73bee0), o)
   Exit: (201) [system] get_char((0x563acd73bee0), o)
   Call: (201) [system] o=(\)
   Fail: (201) [system] o=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _1872262)
   Call: (202) [system] peek_char((0x563acd73bee0), _1873196)
   Exit: (202) [system] peek_char((0x563acd73bee0), o)
^  Call: (202) [user] is_delimiter(o)
   Call: (203) [system] char_type(o, space)
   Fail: (203) [system] char_type(o, space)
   Call: (203) [system] arg(_1877916, v('(', ')', end_of_file), o)
   Fail: (203) [system] arg(_1878848, v('(', ')', end_of_file), o)
^  Fail: (202) [user] is_delimiter(o)
   Call: (202) [system] ')'==o
   Fail: (202) [system] ')'==o
   Call: (202) [system] get_char((0x563acd73bee0), o)
   Exit: (202) [system] get_char((0x563acd73bee0), o)
   Call: (202) [system] o=(\)
   Fail: (202) [system] o=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1886198)
   Call: (203) [system] peek_char((0x563acd73bee0), _1887132)
   Exit: (203) [system] peek_char((0x563acd73bee0), f)
^  Call: (203) [user] is_delimiter(f)
   Call: (204) [system] char_type(f, space)
   Fail: (204) [system] char_type(f, space)
   Call: (204) [system] arg(_1891852, v('(', ')', end_of_file), f)
   Fail: (204) [system] arg(_1892784, v('(', ')', end_of_file), f)
^  Fail: (203) [user] is_delimiter(f)
   Call: (203) [system] ')'==f
   Fail: (203) [system] ')'==f
   Call: (203) [system] get_char((0x563acd73bee0), f)
   Exit: (203) [system] get_char((0x563acd73bee0), f)
   Call: (203) [system] f=(\)
   Fail: (203) [system] f=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1900134)
   Call: (204) [system] peek_char((0x563acd73bee0), _1901068)
   Exit: (204) [system] peek_char((0x563acd73bee0), '1')
^  Call: (204) [user] is_delimiter('1')
   Call: (205) [system] char_type('1', space)
   Fail: (205) [system] char_type('1', space)
   Call: (205) [system] arg(_1905788, v('(', ')', end_of_file), '1')
   Fail: (205) [system] arg(_1906720, v('(', ')', end_of_file), '1')
^  Fail: (204) [user] is_delimiter('1')
   Call: (204) [system] ')'=='1'
   Fail: (204) [system] ')'=='1'
   Call: (204) [system] get_char((0x563acd73bee0), '1')
   Exit: (204) [system] get_char((0x563acd73bee0), '1')
   Call: (204) [system] '1'=(\)
   Fail: (204) [system] '1'=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1914070)
   Call: (205) [system] peek_char((0x563acd73bee0), _1915004)
   Exit: (205) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _1914070=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (204) [system] _1900134=['1']
   Exit: (204) [system] ['1']=['1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), ['1'])
   Call: (203) [system] _1886198=[f, '1']
   Exit: (203) [system] [f, '1']=[f, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [f, '1'])
   Call: (202) [system] _1872262=[o, f, '1']
   Exit: (202) [system] [o, f, '1']=[o, f, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, f, '1'])
   Call: (201) [system] _1858326=[o, o, f, '1']
   Exit: (201) [system] [o, o, f, '1']=[o, o, f, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, o, f, '1'])
   Call: (200) [system] _1844390=[r, o, o, f, '1']
   Exit: (200) [system] [r, o, o, f, '1']=[r, o, o, f, '1']
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, o, f, '1'])
   Call: (199) [system] _1830454=[p, r, o, o, f, '1']
   Exit: (199) [system] [p, r, o, o, f, '1']=[p, r, o, o, f, '1']
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, o, o, f, '1'])
^  Call: (198) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _1794944)
^  Call: (199) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _1941052)
   Call: (200) [system] atom_chars(_1941984, ['_', p, r, o, o, f, '1'])
   Exit: (200) [system] atom_chars('_proof1', ['_', p, r, o, o, f, '1'])
^  Exit: (199) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _proof1)
   Call: (199) [system] integer(_proof1)
   Fail: (199) [system] integer(_proof1)
   Call: (199) [system] _1794944=_proof1
   Exit: (199) [system] _proof1=_proof1
^  Exit: (198) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _proof1)
^  Exit: (197) [user] read_symbolic(')', (0x563acd73bee0), $, _proof1)
^  Exit: (196) [user] cont_sexpr(')', (0x563acd73bee0), _proof1)
^  Call: (196) [user] read_list(')', (0x563acd73bee0), _1951276)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1953134)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x563acd73bee0), _1962728)
   Exit: (198) [system] get_char((0x563acd73bee0), ' ')
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1965432)
   Exit: (199) [system] peek_char((0x563acd73bee0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1982366)
   Exit: (197) [system] peek_char((0x563acd73bee0), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x563acd73bee0), _1987936)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1989794)
   Exit: (199) [system] peek_char((0x563acd73bee0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] get_char((0x563acd73bee0), _2005804)
   Exit: (198) [system] get_char((0x563acd73bee0), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x563acd73bee0), $, _1987936)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _2023446)
   Call: (200) [system] peek_char((0x563acd73bee0), _2024380)
   Exit: (200) [system] peek_char((0x563acd73bee0), p)
^  Call: (200) [user] is_delimiter(p)
   Call: (201) [system] char_type(p, space)
   Fail: (201) [system] char_type(p, space)
   Call: (201) [system] arg(_2029100, v('(', ')', end_of_file), p)
   Fail: (201) [system] arg(_2030032, v('(', ')', end_of_file), p)
^  Fail: (200) [user] is_delimiter(p)
   Call: (200) [system] ')'==p
   Fail: (200) [system] ')'==p
   Call: (200) [system] get_char((0x563acd73bee0), p)
   Exit: (200) [system] get_char((0x563acd73bee0), p)
   Call: (200) [system] p=(\)
   Fail: (200) [system] p=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _2037382)
   Call: (201) [system] peek_char((0x563acd73bee0), _2038316)
   Exit: (201) [system] peek_char((0x563acd73bee0), r)
^  Call: (201) [user] is_delimiter(r)
   Call: (202) [system] char_type(r, space)
   Fail: (202) [system] char_type(r, space)
   Call: (202) [system] arg(_2043036, v('(', ')', end_of_file), r)
   Fail: (202) [system] arg(_2043968, v('(', ')', end_of_file), r)
^  Fail: (201) [user] is_delimiter(r)
   Call: (201) [system] ')'==r
   Fail: (201) [system] ')'==r
   Call: (201) [system] get_char((0x563acd73bee0), r)
   Exit: (201) [system] get_char((0x563acd73bee0), r)
   Call: (201) [system] r=(\)
   Fail: (201) [system] r=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _2051318)
   Call: (202) [system] peek_char((0x563acd73bee0), _2052252)
   Exit: (202) [system] peek_char((0x563acd73bee0), e)
^  Call: (202) [user] is_delimiter(e)
   Call: (203) [system] char_type(e, space)
   Fail: (203) [system] char_type(e, space)
   Call: (203) [system] arg(_2056972, v('(', ')', end_of_file), e)
   Fail: (203) [system] arg(_2057904, v('(', ')', end_of_file), e)
^  Fail: (202) [user] is_delimiter(e)
   Call: (202) [system] ')'==e
   Fail: (202) [system] ')'==e
   Call: (202) [system] get_char((0x563acd73bee0), e)
   Exit: (202) [system] get_char((0x563acd73bee0), e)
   Call: (202) [system] e=(\)
   Fail: (202) [system] e=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _2065254)
   Call: (203) [system] peek_char((0x563acd73bee0), _2066188)
   Exit: (203) [system] peek_char((0x563acd73bee0), m)
^  Call: (203) [user] is_delimiter(m)
   Call: (204) [system] char_type(m, space)
   Fail: (204) [system] char_type(m, space)
   Call: (204) [system] arg(_2070908, v('(', ')', end_of_file), m)
   Fail: (204) [system] arg(_2071840, v('(', ')', end_of_file), m)
^  Fail: (203) [user] is_delimiter(m)
   Call: (203) [system] ')'==m
   Fail: (203) [system] ')'==m
   Call: (203) [system] get_char((0x563acd73bee0), m)
   Exit: (203) [system] get_char((0x563acd73bee0), m)
   Call: (203) [system] m=(\)
   Fail: (203) [system] m=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _2079190)
   Call: (204) [system] peek_char((0x563acd73bee0), _2080124)
   Exit: (204) [system] peek_char((0x563acd73bee0), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Fail: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_2084844, v('(', ')', end_of_file), i)
   Fail: (205) [system] arg(_2085776, v('(', ')', end_of_file), i)
^  Fail: (204) [user] is_delimiter(i)
   Call: (204) [system] ')'==i
   Fail: (204) [system] ')'==i
   Call: (204) [system] get_char((0x563acd73bee0), i)
   Exit: (204) [system] get_char((0x563acd73bee0), i)
   Call: (204) [system] i=(\)
   Fail: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _2093126)
   Call: (205) [system] peek_char((0x563acd73bee0), _2094060)
   Exit: (205) [system] peek_char((0x563acd73bee0), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Fail: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_5562, v('(', ')', end_of_file), s)
   Fail: (206) [system] arg(_6494, v('(', ')', end_of_file), s)
^  Fail: (205) [user] is_delimiter(s)
   Call: (205) [system] ')'==s
   Fail: (205) [system] ')'==s
   Call: (205) [system] get_char((0x563acd73bee0), s)
   Exit: (205) [system] get_char((0x563acd73bee0), s)
   Call: (205) [system] s=(\)
   Fail: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _13844)
   Call: (206) [system] peek_char((0x563acd73bee0), _14778)
   Exit: (206) [system] peek_char((0x563acd73bee0), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Fail: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_19498, v('(', ')', end_of_file), e)
   Fail: (207) [system] arg(_20430, v('(', ')', end_of_file), e)
^  Fail: (206) [user] is_delimiter(e)
   Call: (206) [system] ')'==e
   Fail: (206) [system] ')'==e
   Call: (206) [system] get_char((0x563acd73bee0), e)
   Exit: (206) [system] get_char((0x563acd73bee0), e)
   Call: (206) [system] e=(\)
   Fail: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _27780)
   Call: (207) [system] peek_char((0x563acd73bee0), _28714)
   Exit: (207) [system] peek_char((0x563acd73bee0), '1')
^  Call: (207) [user] is_delimiter('1')
   Call: (208) [system] char_type('1', space)
   Fail: (208) [system] char_type('1', space)
   Call: (208) [system] arg(_33434, v('(', ')', end_of_file), '1')
   Fail: (208) [system] arg(_34366, v('(', ')', end_of_file), '1')
^  Fail: (207) [user] is_delimiter('1')
   Call: (207) [system] ')'=='1'
   Fail: (207) [system] ')'=='1'
   Call: (207) [system] get_char((0x563acd73bee0), '1')
   Exit: (207) [system] get_char((0x563acd73bee0), '1')
   Call: (207) [system] '1'=(\)
   Fail: (207) [system] '1'=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _41716)
   Call: (208) [system] peek_char((0x563acd73bee0), _42650)
   Exit: (208) [system] peek_char((0x563acd73bee0), ')')
^  Call: (208) [user] is_delimiter(')')
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] arg(_47370, v('(', ')', end_of_file), ')')
   Exit: (209) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (208) [user] is_delimiter(')')
   Call: (208) [system] _41716=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (207) [system] _27780=['1']
   Exit: (207) [system] ['1']=['1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), ['1'])
   Call: (206) [system] _13844=[e, '1']
   Exit: (206) [system] [e, '1']=[e, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, '1'])
   Call: (205) [system] _3674=[s, e, '1']
   Exit: (205) [system] [s, e, '1']=[s, e, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, e, '1'])
   Call: (204) [system] _3670=[i, s, e, '1']
   Exit: (204) [system] [i, s, e, '1']=[i, s, e, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, e, '1'])
   Call: (203) [system] _3666=[m, i, s, e, '1']
   Exit: (203) [system] [m, i, s, e, '1']=[m, i, s, e, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, i, s, e, '1'])
   Call: (202) [system] _3662=[e, m, i, s, e, '1']
   Exit: (202) [system] [e, m, i, s, e, '1']=[e, m, i, s, e, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, m, i, s, e, '1'])
   Call: (201) [system] _3658=[r, e, m, i, s, e, '1']
   Exit: (201) [system] [r, e, m, i, s, e, '1']=[r, e, m, i, s, e, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, e, m, i, s, e, '1'])
   Call: (200) [system] _3654=[p, r, e, m, i, s, e, '1']
   Exit: (200) [system] [p, r, e, m, i, s, e, '1']=[p, r, e, m, i, s, e, '1']
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, e, m, i, s, e, '1'])
^  Call: (199) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _3650)
^  Call: (200) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _76158)
   Call: (201) [system] atom_chars(_77090, ['_', p, r, e, m, i, s, e, '1'])
   Exit: (201) [system] atom_chars('_premise1', ['_', p, r, e, m, i, s, e, '1'])
^  Exit: (200) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _premise1)
   Call: (200) [system] integer(_premise1)
   Fail: (200) [system] integer(_premise1)
   Call: (200) [system] _3650=_premise1
   Exit: (200) [system] _premise1=_premise1
^  Exit: (199) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _premise1)
^  Exit: (198) [user] read_symbolic(')', (0x563acd73bee0), $, _premise1)
^  Exit: (197) [user] cont_sexpr(')', (0x563acd73bee0), _premise1)
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _86382)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _88240)
   Exit: (199) [system] peek_char((0x563acd73bee0), ')')
   Call: (199) [system] ')'=(;)
   Fail: (199) [system] ')'=(;)
   Call: (199) [system] ')'=(/)
   Fail: (199) [system] ')'=(/)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Fail: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Fail: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
   Fail: (200) [system] char_type(')', cntrl)
^  Fail: (199) [user] is_like_space(')')
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _104250)
   Exit: (198) [system] peek_char((0x563acd73bee0), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x563acd73bee0), _108040)
   Exit: (198) [system] get_char((0x563acd73bee0), ')')
   Call: (198) [system] _86382=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x563acd73bee0), [])
   Call: (197) [system] _3646=[_premise1]
   Exit: (197) [system] [_premise1]=[_premise1]
^  Exit: (196) [user] read_list(')', (0x563acd73bee0), [_premise1])
   Call: (196) [system] _3636=[_proof1, _premise1]
   Exit: (196) [system] [_proof1, _premise1]=[_proof1, _premise1]
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), [_proof1, _premise1])
   Call: (195) [system] _3628=[:, _proof1, _premise1]
   Exit: (195) [system] [:, _proof1, _premise1]=[:, _proof1, _premise1]
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), [:, _proof1, _premise1])
^  Exit: (193) [user] cont_sexpr(')', (0x563acd73bee0), [:, _proof1, _premise1])
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _121922)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _123780)
   Exit: (195) [system] peek_char((0x563acd73bee0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x563acd73bee0), _133374)
   Exit: (195) [system] get_char((0x563acd73bee0), ' ')
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _136078)
   Exit: (196) [system] peek_char((0x563acd73bee0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _153012)
   Exit: (194) [system] peek_char((0x563acd73bee0), '(')
   Call: (194) [system] '('=')'
   Fail: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
   Fail: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x563acd73bee0), _158582)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _160440)
   Exit: (196) [system] peek_char((0x563acd73bee0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] get_char((0x563acd73bee0), _176450)
   Exit: (195) [system] get_char((0x563acd73bee0), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _158582)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _182020)
   Exit: (197) [system] peek_char((0x563acd73bee0), s)
   Call: (197) [system] s=(;)
   Fail: (197) [system] s=(;)
   Call: (197) [system] s=(/)
   Fail: (197) [system] s=(/)
^  Call: (197) [user] is_like_space(s)
   Call: (198) [system] char_type(s, 'white')
   Fail: (198) [system] char_type(s, 'white')
   Call: (198) [system] char_type(s, end_of_line)
   Fail: (198) [system] char_type(s, end_of_line)
   Call: (198) [system] char_type(s, space)
   Fail: (198) [system] char_type(s, space)
   Call: (198) [system] char_type(s, cntrl)
   Fail: (198) [system] char_type(s, cntrl)
^  Fail: (197) [user] is_like_space(s)
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _198030)
   Exit: (196) [system] peek_char((0x563acd73bee0), s)
   Call: (196) [system] s=')'
   Fail: (196) [system] s=')'
   Call: (196) [system] s=end_of_file
   Fail: (196) [system] s=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x563acd73bee0), _203600)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _205458)
   Exit: (198) [system] peek_char((0x563acd73bee0), s)
   Call: (198) [system] s=(;)
   Fail: (198) [system] s=(;)
   Call: (198) [system] s=(/)
   Fail: (198) [system] s=(/)
^  Call: (198) [user] is_like_space(s)
   Call: (199) [system] char_type(s, 'white')
   Fail: (199) [system] char_type(s, 'white')
   Call: (199) [system] char_type(s, end_of_line)
   Fail: (199) [system] char_type(s, end_of_line)
   Call: (199) [system] char_type(s, space)
   Fail: (199) [system] char_type(s, space)
   Call: (199) [system] char_type(s, cntrl)
   Fail: (199) [system] char_type(s, cntrl)
^  Fail: (198) [user] is_like_space(s)
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] get_char((0x563acd73bee0), _221468)
   Exit: (197) [system] get_char((0x563acd73bee0), s)
   Call: (197) [system] s='('
   Fail: (197) [system] s='('
   Call: (197) [system] s='['
   Fail: (197) [system] s='['
   Call: (197) [system] s='{'
   Fail: (197) [system] s='{'
   Call: (197) [system] s='"'
   Fail: (197) [system] s='"'
   Call: (197) [system] s=!
   Fail: (197) [system] s=!
   Call: (197) [system] s='\''
   Fail: (197) [system] s='\''
   Call: (197) [system] s='`'
   Fail: (197) [system] s='`'
   Call: (197) [system] s=end_of_file
   Fail: (197) [system] s=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x563acd73bee0), s, _203600)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _239110)
   Call: (199) [system] peek_char((0x563acd73bee0), _240044)
   Exit: (199) [system] peek_char((0x563acd73bee0), y)
^  Call: (199) [user] is_delimiter(y)
   Call: (200) [system] char_type(y, space)
   Fail: (200) [system] char_type(y, space)
   Call: (200) [system] arg(_244764, v('(', ')', end_of_file), y)
   Fail: (200) [system] arg(_245696, v('(', ')', end_of_file), y)
^  Fail: (199) [user] is_delimiter(y)
   Call: (199) [system] ')'==y
   Fail: (199) [system] ')'==y
   Call: (199) [system] get_char((0x563acd73bee0), y)
   Exit: (199) [system] get_char((0x563acd73bee0), y)
   Call: (199) [system] y=(\)
   Fail: (199) [system] y=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _253046)
   Call: (200) [system] peek_char((0x563acd73bee0), _253980)
   Exit: (200) [system] peek_char((0x563acd73bee0), n)
^  Call: (200) [user] is_delimiter(n)
   Call: (201) [system] char_type(n, space)
   Fail: (201) [system] char_type(n, space)
   Call: (201) [system] arg(_258700, v('(', ')', end_of_file), n)
   Fail: (201) [system] arg(_259632, v('(', ')', end_of_file), n)
^  Fail: (200) [user] is_delimiter(n)
   Call: (200) [system] ')'==n
   Fail: (200) [system] ')'==n
   Call: (200) [system] get_char((0x563acd73bee0), n)
   Exit: (200) [system] get_char((0x563acd73bee0), n)
   Call: (200) [system] n=(\)
   Fail: (200) [system] n=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _266982)
   Call: (201) [system] peek_char((0x563acd73bee0), _267916)
   Exit: (201) [system] peek_char((0x563acd73bee0), t)
^  Call: (201) [user] is_delimiter(t)
   Call: (202) [system] char_type(t, space)
   Fail: (202) [system] char_type(t, space)
   Call: (202) [system] arg(_272636, v('(', ')', end_of_file), t)
   Fail: (202) [system] arg(_273568, v('(', ')', end_of_file), t)
^  Fail: (201) [user] is_delimiter(t)
   Call: (201) [system] ')'==t
   Fail: (201) [system] ')'==t
   Call: (201) [system] get_char((0x563acd73bee0), t)
   Exit: (201) [system] get_char((0x563acd73bee0), t)
   Call: (201) [system] t=(\)
   Fail: (201) [system] t=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _280918)
   Call: (202) [system] peek_char((0x563acd73bee0), _281852)
   Exit: (202) [system] peek_char((0x563acd73bee0), h)
^  Call: (202) [user] is_delimiter(h)
   Call: (203) [system] char_type(h, space)
   Fail: (203) [system] char_type(h, space)
   Call: (203) [system] arg(_286572, v('(', ')', end_of_file), h)
   Fail: (203) [system] arg(_287504, v('(', ')', end_of_file), h)
^  Fail: (202) [user] is_delimiter(h)
   Call: (202) [system] ')'==h
   Fail: (202) [system] ')'==h
   Call: (202) [system] get_char((0x563acd73bee0), h)
   Exit: (202) [system] get_char((0x563acd73bee0), h)
   Call: (202) [system] h=(\)
   Fail: (202) [system] h=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _294854)
   Call: (203) [system] peek_char((0x563acd73bee0), _295788)
   Exit: (203) [system] peek_char((0x563acd73bee0), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Fail: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_300508, v('(', ')', end_of_file), e)
   Fail: (204) [system] arg(_301440, v('(', ')', end_of_file), e)
^  Fail: (203) [user] is_delimiter(e)
   Call: (203) [system] ')'==e
   Fail: (203) [system] ')'==e
   Call: (203) [system] get_char((0x563acd73bee0), e)
   Exit: (203) [system] get_char((0x563acd73bee0), e)
   Call: (203) [system] e=(\)
   Fail: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _308790)
   Call: (204) [system] peek_char((0x563acd73bee0), _309724)
   Exit: (204) [system] peek_char((0x563acd73bee0), s)
^  Call: (204) [user] is_delimiter(s)
   Call: (205) [system] char_type(s, space)
   Fail: (205) [system] char_type(s, space)
   Call: (205) [system] arg(_314444, v('(', ')', end_of_file), s)
   Fail: (205) [system] arg(_315376, v('(', ')', end_of_file), s)
^  Fail: (204) [user] is_delimiter(s)
   Call: (204) [system] ')'==s
   Fail: (204) [system] ')'==s
   Call: (204) [system] get_char((0x563acd73bee0), s)
   Exit: (204) [system] get_char((0x563acd73bee0), s)
   Call: (204) [system] s=(\)
   Fail: (204) [system] s=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _322726)
   Call: (205) [system] peek_char((0x563acd73bee0), _323660)
   Exit: (205) [system] peek_char((0x563acd73bee0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_328380, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_329312, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x563acd73bee0), i)
   Exit: (205) [system] get_char((0x563acd73bee0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _336662)
   Call: (206) [system] peek_char((0x563acd73bee0), _337596)
   Exit: (206) [system] peek_char((0x563acd73bee0), z)
^  Call: (206) [user] is_delimiter(z)
   Call: (207) [system] char_type(z, space)
   Fail: (207) [system] char_type(z, space)
   Call: (207) [system] arg(_342316, v('(', ')', end_of_file), z)
   Fail: (207) [system] arg(_343248, v('(', ')', end_of_file), z)
^  Fail: (206) [user] is_delimiter(z)
   Call: (206) [system] ')'==z
   Fail: (206) [system] ')'==z
   Call: (206) [system] get_char((0x563acd73bee0), z)
   Exit: (206) [system] get_char((0x563acd73bee0), z)
   Call: (206) [system] z=(\)
   Fail: (206) [system] z=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _350598)
   Call: (207) [system] peek_char((0x563acd73bee0), _351532)
   Exit: (207) [system] peek_char((0x563acd73bee0), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_356252, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_357184, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x563acd73bee0), e)
   Exit: (207) [system] get_char((0x563acd73bee0), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _364534)
   Call: (208) [system] peek_char((0x563acd73bee0), _365468)
   Exit: (208) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _364534=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (207) [system] _350598=[e]
   Exit: (207) [system] [e]=[e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [e])
   Call: (206) [system] _336662=[z, e]
   Exit: (206) [system] [z, e]=[z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [z, e])
   Call: (205) [system] _322726=[i, z, e]
   Exit: (205) [system] [i, z, e]=[i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, z, e])
   Call: (204) [system] _308790=[s, i, z, e]
   Exit: (204) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, i, z, e])
   Call: (203) [system] _294854=[e, s, i, z, e]
   Exit: (203) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, s, i, z, e])
   Call: (202) [system] _280918=[h, e, s, i, z, e]
   Exit: (202) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [h, e, s, i, z, e])
   Call: (201) [system] _266982=[t, h, e, s, i, z, e]
   Exit: (201) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, h, e, s, i, z, e])
   Call: (200) [system] _253046=[n, t, h, e, s, i, z, e]
   Exit: (200) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, h, e, s, i, z, e])
   Call: (199) [system] _239110=[y, n, t, h, e, s, i, z, e]
   Exit: (199) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [y, n, t, h, e, s, i, z, e])
^  Call: (198) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _203600)
^  Call: (199) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _399898)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_400850, _400852), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _399898), _400832, fail)), '$restore_trace'(_400850, _400852))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_400850, _400852))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _400832, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(synthesize)
   Exit: (200) [system] atomic(synthesize)
^  Exit: (199) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (199) [system] integer(synthesize)
   Fail: (199) [system] integer(synthesize)
   Call: (199) [system] _203600=synthesize
   Exit: (199) [system] synthesize=synthesize
^  Exit: (198) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (197) [user] read_symbolic(')', (0x563acd73bee0), s, synthesize)
^  Exit: (196) [user] cont_sexpr(')', (0x563acd73bee0), synthesize)
^  Call: (196) [user] read_list(')', (0x563acd73bee0), _412978)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _414836)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x563acd73bee0), _424430)
   Exit: (198) [system] get_char((0x563acd73bee0), ' ')
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _427134)
   Exit: (199) [system] peek_char((0x563acd73bee0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _444068)
   Exit: (197) [system] peek_char((0x563acd73bee0), '(')
   Call: (197) [system] '('=')'
   Fail: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
   Fail: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x563acd73bee0), _449638)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _451496)
   Exit: (199) [system] peek_char((0x563acd73bee0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] get_char((0x563acd73bee0), _467506)
   Exit: (198) [system] get_char((0x563acd73bee0), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _449638)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _473076)
   Exit: (200) [system] peek_char((0x563acd73bee0), :)
   Call: (200) [system] (:)=(;)
   Fail: (200) [system] (:)=(;)
   Call: (200) [system] (:)=(/)
   Fail: (200) [system] (:)=(/)
^  Call: (200) [user] is_like_space(:)
   Call: (201) [system] char_type(:, 'white')
   Fail: (201) [system] char_type(:, 'white')
   Call: (201) [system] char_type(:, end_of_line)
   Fail: (201) [system] char_type(:, end_of_line)
   Call: (201) [system] char_type(:, space)
   Fail: (201) [system] char_type(:, space)
   Call: (201) [system] char_type(:, cntrl)
   Fail: (201) [system] char_type(:, cntrl)
^  Fail: (200) [user] is_like_space(:)
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _489086)
   Exit: (199) [system] peek_char((0x563acd73bee0), :)
   Call: (199) [system] (:)=')'
   Fail: (199) [system] (:)=')'
   Call: (199) [system] (:)=end_of_file
   Fail: (199) [system] (:)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x563acd73bee0), _494656)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _496514)
   Exit: (201) [system] peek_char((0x563acd73bee0), :)
   Call: (201) [system] (:)=(;)
   Fail: (201) [system] (:)=(;)
   Call: (201) [system] (:)=(/)
   Fail: (201) [system] (:)=(/)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Fail: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Fail: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Fail: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
   Fail: (202) [system] char_type(:, cntrl)
^  Fail: (201) [user] is_like_space(:)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] get_char((0x563acd73bee0), _512524)
   Exit: (200) [system] get_char((0x563acd73bee0), :)
   Call: (200) [system] (:)='('
   Fail: (200) [system] (:)='('
   Call: (200) [system] (:)='['
   Fail: (200) [system] (:)='['
   Call: (200) [system] (:)='{'
   Fail: (200) [system] (:)='{'
   Call: (200) [system] (:)='"'
   Fail: (200) [system] (:)='"'
   Call: (200) [system] (:)=!
   Fail: (200) [system] (:)=!
   Call: (200) [system] (:)='\''
   Fail: (200) [system] (:)='\''
   Call: (200) [system] (:)='`'
   Fail: (200) [system] (:)='`'
   Call: (200) [system] (:)=end_of_file
   Fail: (200) [system] (:)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x563acd73bee0), :, _494656)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _530166)
   Call: (202) [system] peek_char((0x563acd73bee0), _531100)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _530166=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (201) [user] classify_and_convert_charseq([:], _494656)
^  Call: (202) [user] classify_and_convert_charseq_([:], _540384)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_541336, _541338), once(user:catch(read_from_chars([:], _540384), _541318, fail)), '$restore_trace'(_541336, _541338))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_541336, _541338))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _541318, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(:)
   Exit: (203) [system] atomic(:)
^  Exit: (202) [user] classify_and_convert_charseq_([:], :)
   Call: (202) [system] integer(:)
   Fail: (202) [system] integer(:)
   Call: (202) [system] _494656=(:)
   Exit: (202) [system] (:)=(:)
^  Exit: (201) [user] classify_and_convert_charseq([:], :)
^  Exit: (200) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (199) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _553464)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _555322)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _564916)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _567620)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _584554)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x563acd73bee0), _590124)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _591982)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] get_char((0x563acd73bee0), _607992)
   Exit: (201) [system] get_char((0x563acd73bee0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x563acd73bee0), $, _590124)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _625634)
   Call: (203) [system] peek_char((0x563acd73bee0), _626568)
   Exit: (203) [system] peek_char((0x563acd73bee0), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Fail: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_631288, v('(', ')', end_of_file), p)
   Fail: (204) [system] arg(_632220, v('(', ')', end_of_file), p)
^  Fail: (203) [user] is_delimiter(p)
   Call: (203) [system] ')'==p
   Fail: (203) [system] ')'==p
   Call: (203) [system] get_char((0x563acd73bee0), p)
   Exit: (203) [system] get_char((0x563acd73bee0), p)
   Call: (203) [system] p=(\)
   Fail: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _639570)
   Call: (204) [system] peek_char((0x563acd73bee0), _640504)
   Exit: (204) [system] peek_char((0x563acd73bee0), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_645224, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_646156, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x563acd73bee0), r)
   Exit: (204) [system] get_char((0x563acd73bee0), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _653506)
   Call: (205) [system] peek_char((0x563acd73bee0), _654440)
   Exit: (205) [system] peek_char((0x563acd73bee0), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_659160, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_660092, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x563acd73bee0), o)
   Exit: (205) [system] get_char((0x563acd73bee0), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _667442)
   Call: (206) [system] peek_char((0x563acd73bee0), _668376)
   Exit: (206) [system] peek_char((0x563acd73bee0), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_673096, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_674028, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x563acd73bee0), o)
   Exit: (206) [system] get_char((0x563acd73bee0), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _681378)
   Call: (207) [system] peek_char((0x563acd73bee0), _682312)
   Exit: (207) [system] peek_char((0x563acd73bee0), f)
^  Call: (207) [user] is_delimiter(f)
   Call: (208) [system] char_type(f, space)
   Fail: (208) [system] char_type(f, space)
   Call: (208) [system] arg(_687032, v('(', ')', end_of_file), f)
   Fail: (208) [system] arg(_687964, v('(', ')', end_of_file), f)
^  Fail: (207) [user] is_delimiter(f)
   Call: (207) [system] ')'==f
   Fail: (207) [system] ')'==f
   Call: (207) [system] get_char((0x563acd73bee0), f)
   Exit: (207) [system] get_char((0x563acd73bee0), f)
   Call: (207) [system] f=(\)
   Fail: (207) [system] f=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _695314)
   Call: (208) [system] peek_char((0x563acd73bee0), _696248)
   Exit: (208) [system] peek_char((0x563acd73bee0), '1')
^  Call: (208) [user] is_delimiter('1')
   Call: (209) [system] char_type('1', space)
   Fail: (209) [system] char_type('1', space)
   Call: (209) [system] arg(_700968, v('(', ')', end_of_file), '1')
   Fail: (209) [system] arg(_701900, v('(', ')', end_of_file), '1')
^  Fail: (208) [user] is_delimiter('1')
   Call: (208) [system] ')'=='1'
   Fail: (208) [system] ')'=='1'
   Call: (208) [system] get_char((0x563acd73bee0), '1')
   Exit: (208) [system] get_char((0x563acd73bee0), '1')
   Call: (208) [system] '1'=(\)
   Fail: (208) [system] '1'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _709250)
   Call: (209) [system] peek_char((0x563acd73bee0), _710184)
   Exit: (209) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _709250=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (208) [system] _695314=['1']
   Exit: (208) [system] ['1']=['1']
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), ['1'])
   Call: (207) [system] _681378=[f, '1']
   Exit: (207) [system] [f, '1']=[f, '1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [f, '1'])
   Call: (206) [system] _667442=[o, f, '1']
   Exit: (206) [system] [o, f, '1']=[o, f, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, f, '1'])
   Call: (205) [system] _653506=[o, o, f, '1']
   Exit: (205) [system] [o, o, f, '1']=[o, o, f, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, o, f, '1'])
   Call: (204) [system] _639570=[r, o, o, f, '1']
   Exit: (204) [system] [r, o, o, f, '1']=[r, o, o, f, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, o, f, '1'])
   Call: (203) [system] _625634=[p, r, o, o, f, '1']
   Exit: (203) [system] [p, r, o, o, f, '1']=[p, r, o, o, f, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, o, o, f, '1'])
^  Call: (202) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _590124)
^  Call: (203) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _736232)
   Call: (204) [system] atom_chars(_737164, ['_', p, r, o, o, f, '1'])
   Exit: (204) [system] atom_chars('_proof1', ['_', p, r, o, o, f, '1'])
^  Exit: (203) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _proof1)
   Call: (203) [system] integer(_proof1)
   Fail: (203) [system] integer(_proof1)
   Call: (203) [system] _590124=_proof1
   Exit: (203) [system] _proof1=_proof1
^  Exit: (202) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _proof1)
^  Exit: (201) [user] read_symbolic(')', (0x563acd73bee0), $, _proof1)
^  Exit: (200) [user] cont_sexpr(')', (0x563acd73bee0), _proof1)
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _746456)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _748314)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x563acd73bee0), _757908)
   Exit: (202) [system] get_char((0x563acd73bee0), ' ')
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _760612)
   Exit: (203) [system] peek_char((0x563acd73bee0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _777546)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x563acd73bee0), _783116)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _784974)
   Exit: (203) [system] peek_char((0x563acd73bee0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] get_char((0x563acd73bee0), _800984)
   Exit: (202) [system] get_char((0x563acd73bee0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x563acd73bee0), $, _783116)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _818626)
   Call: (204) [system] peek_char((0x563acd73bee0), _819560)
   Exit: (204) [system] peek_char((0x563acd73bee0), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Fail: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_824280, v('(', ')', end_of_file), p)
   Fail: (205) [system] arg(_825212, v('(', ')', end_of_file), p)
^  Fail: (204) [user] is_delimiter(p)
   Call: (204) [system] ')'==p
   Fail: (204) [system] ')'==p
   Call: (204) [system] get_char((0x563acd73bee0), p)
   Exit: (204) [system] get_char((0x563acd73bee0), p)
   Call: (204) [system] p=(\)
   Fail: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _832562)
   Call: (205) [system] peek_char((0x563acd73bee0), _833496)
   Exit: (205) [system] peek_char((0x563acd73bee0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_838216, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_839148, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x563acd73bee0), r)
   Exit: (205) [system] get_char((0x563acd73bee0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _846498)
   Call: (206) [system] peek_char((0x563acd73bee0), _847432)
   Exit: (206) [system] peek_char((0x563acd73bee0), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Fail: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_852152, v('(', ')', end_of_file), e)
   Fail: (207) [system] arg(_853084, v('(', ')', end_of_file), e)
^  Fail: (206) [user] is_delimiter(e)
   Call: (206) [system] ')'==e
   Fail: (206) [system] ')'==e
   Call: (206) [system] get_char((0x563acd73bee0), e)
   Exit: (206) [system] get_char((0x563acd73bee0), e)
   Call: (206) [system] e=(\)
   Fail: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _860434)
   Call: (207) [system] peek_char((0x563acd73bee0), _861368)
   Exit: (207) [system] peek_char((0x563acd73bee0), m)
^  Call: (207) [user] is_delimiter(m)
   Call: (208) [system] char_type(m, space)
   Fail: (208) [system] char_type(m, space)
   Call: (208) [system] arg(_866088, v('(', ')', end_of_file), m)
   Fail: (208) [system] arg(_867020, v('(', ')', end_of_file), m)
^  Fail: (207) [user] is_delimiter(m)
   Call: (207) [system] ')'==m
   Fail: (207) [system] ')'==m
   Call: (207) [system] get_char((0x563acd73bee0), m)
   Exit: (207) [system] get_char((0x563acd73bee0), m)
   Call: (207) [system] m=(\)
   Fail: (207) [system] m=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _874370)
   Call: (208) [system] peek_char((0x563acd73bee0), _875304)
   Exit: (208) [system] peek_char((0x563acd73bee0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_880024, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_880956, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x563acd73bee0), i)
   Exit: (208) [system] get_char((0x563acd73bee0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _888306)
   Call: (209) [system] peek_char((0x563acd73bee0), _889240)
   Exit: (209) [system] peek_char((0x563acd73bee0), s)
^  Call: (209) [user] is_delimiter(s)
   Call: (210) [system] char_type(s, space)
   Fail: (210) [system] char_type(s, space)
   Call: (210) [system] arg(_893960, v('(', ')', end_of_file), s)
   Fail: (210) [system] arg(_894892, v('(', ')', end_of_file), s)
^  Fail: (209) [user] is_delimiter(s)
   Call: (209) [system] ')'==s
   Fail: (209) [system] ')'==s
   Call: (209) [system] get_char((0x563acd73bee0), s)
   Exit: (209) [system] get_char((0x563acd73bee0), s)
   Call: (209) [system] s=(\)
   Fail: (209) [system] s=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _902242)
   Call: (210) [system] peek_char((0x563acd73bee0), _903176)
   Exit: (210) [system] peek_char((0x563acd73bee0), e)
^  Call: (210) [user] is_delimiter(e)
   Call: (211) [system] char_type(e, space)
   Fail: (211) [system] char_type(e, space)
   Call: (211) [system] arg(_907896, v('(', ')', end_of_file), e)
   Fail: (211) [system] arg(_908828, v('(', ')', end_of_file), e)
^  Fail: (210) [user] is_delimiter(e)
   Call: (210) [system] ')'==e
   Fail: (210) [system] ')'==e
   Call: (210) [system] get_char((0x563acd73bee0), e)
   Exit: (210) [system] get_char((0x563acd73bee0), e)
   Call: (210) [system] e=(\)
   Fail: (210) [system] e=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _916178)
   Call: (211) [system] peek_char((0x563acd73bee0), _917112)
   Exit: (211) [system] peek_char((0x563acd73bee0), '1')
^  Call: (211) [user] is_delimiter('1')
   Call: (212) [system] char_type('1', space)
   Fail: (212) [system] char_type('1', space)
   Call: (212) [system] arg(_921832, v('(', ')', end_of_file), '1')
   Fail: (212) [system] arg(_922764, v('(', ')', end_of_file), '1')
^  Fail: (211) [user] is_delimiter('1')
   Call: (211) [system] ')'=='1'
   Fail: (211) [system] ')'=='1'
   Call: (211) [system] get_char((0x563acd73bee0), '1')
   Exit: (211) [system] get_char((0x563acd73bee0), '1')
   Call: (211) [system] '1'=(\)
   Fail: (211) [system] '1'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _930114)
   Call: (212) [system] peek_char((0x563acd73bee0), _931048)
   Exit: (212) [system] peek_char((0x563acd73bee0), ')')
^  Call: (212) [user] is_delimiter(')')
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] arg(_935768, v('(', ')', end_of_file), ')')
   Exit: (213) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (212) [user] is_delimiter(')')
   Call: (212) [system] _930114=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (211) [system] _916178=['1']
   Exit: (211) [system] ['1']=['1']
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), ['1'])
   Call: (210) [system] _902242=[e, '1']
   Exit: (210) [system] [e, '1']=[e, '1']
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, '1'])
   Call: (209) [system] _888306=[s, e, '1']
   Exit: (209) [system] [s, e, '1']=[s, e, '1']
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, e, '1'])
   Call: (208) [system] _874370=[i, s, e, '1']
   Exit: (208) [system] [i, s, e, '1']=[i, s, e, '1']
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, e, '1'])
   Call: (207) [system] _860434=[m, i, s, e, '1']
   Exit: (207) [system] [m, i, s, e, '1']=[m, i, s, e, '1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, i, s, e, '1'])
   Call: (206) [system] _846498=[e, m, i, s, e, '1']
   Exit: (206) [system] [e, m, i, s, e, '1']=[e, m, i, s, e, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, m, i, s, e, '1'])
   Call: (205) [system] _832562=[r, e, m, i, s, e, '1']
   Exit: (205) [system] [r, e, m, i, s, e, '1']=[r, e, m, i, s, e, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, e, m, i, s, e, '1'])
   Call: (204) [system] _818626=[p, r, e, m, i, s, e, '1']
   Exit: (204) [system] [p, r, e, m, i, s, e, '1']=[p, r, e, m, i, s, e, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, e, m, i, s, e, '1'])
^  Call: (203) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _783116)
^  Call: (204) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _964556)
   Call: (205) [system] atom_chars(_965488, ['_', p, r, e, m, i, s, e, '1'])
   Exit: (205) [system] atom_chars('_premise1', ['_', p, r, e, m, i, s, e, '1'])
^  Exit: (204) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _premise1)
   Call: (204) [system] integer(_premise1)
   Fail: (204) [system] integer(_premise1)
   Call: (204) [system] _783116=_premise1
   Exit: (204) [system] _premise1=_premise1
^  Exit: (203) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _premise1)
^  Exit: (202) [user] read_symbolic(')', (0x563acd73bee0), $, _premise1)
^  Exit: (201) [user] cont_sexpr(')', (0x563acd73bee0), _premise1)
^  Call: (201) [user] read_list(')', (0x563acd73bee0), _974780)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _976638)
   Exit: (203) [system] peek_char((0x563acd73bee0), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
   Call: (203) [system] ')'=(/)
   Fail: (203) [system] ')'=(/)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _992648)
   Exit: (202) [system] peek_char((0x563acd73bee0), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x563acd73bee0), _996438)
   Exit: (202) [system] get_char((0x563acd73bee0), ')')
   Call: (202) [system] _974780=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x563acd73bee0), [])
   Call: (201) [system] _746456=[_premise1]
   Exit: (201) [system] [_premise1]=[_premise1]
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), [_premise1])
   Call: (200) [system] _553464=[_proof1, _premise1]
   Exit: (200) [system] [_proof1, _premise1]=[_proof1, _premise1]
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), [_proof1, _premise1])
   Call: (199) [system] _449638=[:, _proof1, _premise1]
   Exit: (199) [system] [:, _proof1, _premise1]=[:, _proof1, _premise1]
^  Exit: (198) [user] read_list(')', (0x563acd73bee0), [:, _proof1, _premise1])
^  Exit: (197) [user] cont_sexpr(')', (0x563acd73bee0), [:, _proof1, _premise1])
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _1010320)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1012178)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x563acd73bee0), _1021772)
   Exit: (199) [system] get_char((0x563acd73bee0), ' ')
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1024476)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1041410)
   Exit: (198) [system] peek_char((0x563acd73bee0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x563acd73bee0), _1046980)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1048838)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] get_char((0x563acd73bee0), _1064848)
   Exit: (199) [system] get_char((0x563acd73bee0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x563acd73bee0), $, _1046980)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _1082490)
   Call: (201) [system] peek_char((0x563acd73bee0), _1083424)
   Exit: (201) [system] peek_char((0x563acd73bee0), k)
^  Call: (201) [user] is_delimiter(k)
   Call: (202) [system] char_type(k, space)
   Fail: (202) [system] char_type(k, space)
   Call: (202) [system] arg(_1088144, v('(', ')', end_of_file), k)
   Fail: (202) [system] arg(_1089076, v('(', ')', end_of_file), k)
^  Fail: (201) [user] is_delimiter(k)
   Call: (201) [system] ')'==k
   Fail: (201) [system] ')'==k
   Call: (201) [system] get_char((0x563acd73bee0), k)
   Exit: (201) [system] get_char((0x563acd73bee0), k)
   Call: (201) [system] k=(\)
   Fail: (201) [system] k=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _1096426)
   Call: (202) [system] peek_char((0x563acd73bee0), _1097360)
   Exit: (202) [system] peek_char((0x563acd73bee0), b)
^  Call: (202) [user] is_delimiter(b)
   Call: (203) [system] char_type(b, space)
   Fail: (203) [system] char_type(b, space)
   Call: (203) [system] arg(_1102080, v('(', ')', end_of_file), b)
   Fail: (203) [system] arg(_1103012, v('(', ')', end_of_file), b)
^  Fail: (202) [user] is_delimiter(b)
   Call: (202) [system] ')'==b
   Fail: (202) [system] ')'==b
   Call: (202) [system] get_char((0x563acd73bee0), b)
   Exit: (202) [system] get_char((0x563acd73bee0), b)
   Call: (202) [system] b=(\)
   Fail: (202) [system] b=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1110362)
   Call: (203) [system] peek_char((0x563acd73bee0), _1111296)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _1110362=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (202) [system] _1096426=[b]
   Exit: (202) [system] [b]=[b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
   Call: (201) [system] _1082490=[k, b]
   Exit: (201) [system] [k, b]=[k, b]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [k, b])
^  Call: (200) [user] classify_and_convert_charseq([$, k, b], _1046980)
^  Call: (201) [user] classify_and_convert_charseq_([$, k, b], _1126168)
   Call: (202) [system] atom_chars(_1127100, ['_', k, b])
   Exit: (202) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (201) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (201) [system] integer(_kb)
   Fail: (201) [system] integer(_kb)
   Call: (201) [system] _1046980=_kb
   Exit: (201) [system] _kb=_kb
^  Exit: (200) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (199) [user] read_symbolic(')', (0x563acd73bee0), $, _kb)
^  Exit: (198) [user] cont_sexpr(')', (0x563acd73bee0), _kb)
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _1136392)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1138250)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x563acd73bee0), _1147844)
   Exit: (200) [system] get_char((0x563acd73bee0), ' ')
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1150548)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1167482)
   Exit: (199) [system] peek_char((0x563acd73bee0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x563acd73bee0), _1173052)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1174910)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] get_char((0x563acd73bee0), _1190920)
   Exit: (200) [system] get_char((0x563acd73bee0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x563acd73bee0), $, _1173052)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _1208562)
   Call: (202) [system] peek_char((0x563acd73bee0), _1209496)
   Exit: (202) [system] peek_char((0x563acd73bee0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_1214216, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_1215148, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x563acd73bee0), r)
   Exit: (202) [system] get_char((0x563acd73bee0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1222498)
   Call: (203) [system] peek_char((0x563acd73bee0), _1223432)
   Exit: (203) [system] peek_char((0x563acd73bee0), b)
^  Call: (203) [user] is_delimiter(b)
   Call: (204) [system] char_type(b, space)
   Fail: (204) [system] char_type(b, space)
   Call: (204) [system] arg(_1228152, v('(', ')', end_of_file), b)
   Fail: (204) [system] arg(_1229084, v('(', ')', end_of_file), b)
^  Fail: (203) [user] is_delimiter(b)
   Call: (203) [system] ')'==b
   Fail: (203) [system] ')'==b
   Call: (203) [system] get_char((0x563acd73bee0), b)
   Exit: (203) [system] get_char((0x563acd73bee0), b)
   Call: (203) [system] b=(\)
   Fail: (203) [system] b=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1236434)
   Call: (204) [system] peek_char((0x563acd73bee0), _1237368)
   Exit: (204) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _1236434=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (203) [system] _1222498=[b]
   Exit: (203) [system] [b]=[b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
   Call: (202) [system] _1208562=[r, b]
   Exit: (202) [system] [r, b]=[r, b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, b])
^  Call: (201) [user] classify_and_convert_charseq([$, r, b], _1173052)
^  Call: (202) [user] classify_and_convert_charseq_([$, r, b], _1252240)
   Call: (203) [system] atom_chars(_1253172, ['_', r, b])
   Exit: (203) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (202) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (202) [system] integer(_rb)
   Fail: (202) [system] integer(_rb)
   Call: (202) [system] _1173052=_rb
   Exit: (202) [system] _rb=_rb
^  Exit: (201) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (200) [user] read_symbolic(')', (0x563acd73bee0), $, _rb)
^  Exit: (199) [user] cont_sexpr(')', (0x563acd73bee0), _rb)
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _1262464)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1264322)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _1273916)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1276620)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1293554)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x563acd73bee0), _1299124)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1300982)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] get_char((0x563acd73bee0), _1316992)
   Exit: (201) [system] get_char((0x563acd73bee0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x563acd73bee0), $, _1299124)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1334634)
   Call: (203) [system] peek_char((0x563acd73bee0), _1335568)
   Exit: (203) [system] peek_char((0x563acd73bee0), k)
^  Call: (203) [user] is_delimiter(k)
   Call: (204) [system] char_type(k, space)
   Fail: (204) [system] char_type(k, space)
   Call: (204) [system] arg(_1340288, v('(', ')', end_of_file), k)
   Fail: (204) [system] arg(_1341220, v('(', ')', end_of_file), k)
^  Fail: (203) [user] is_delimiter(k)
   Call: (203) [system] ')'==k
   Fail: (203) [system] ')'==k
   Call: (203) [system] get_char((0x563acd73bee0), k)
   Exit: (203) [system] get_char((0x563acd73bee0), k)
   Call: (203) [system] k=(\)
   Fail: (203) [system] k=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1348570)
   Call: (204) [system] peek_char((0x563acd73bee0), _1349504)
   Exit: (204) [system] peek_char((0x563acd73bee0), ')')
^  Call: (204) [user] is_delimiter(')')
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] arg(_1354224, v('(', ')', end_of_file), ')')
   Exit: (205) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (204) [user] is_delimiter(')')
   Call: (204) [system] _1348570=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (203) [system] _1334634=[k]
   Exit: (203) [system] [k]=[k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
^  Call: (202) [user] classify_and_convert_charseq([$, k], _1299124)
^  Call: (203) [user] classify_and_convert_charseq_([$, k], _1363454)
   Call: (204) [system] atom_chars(_1364386, ['_', k])
   Exit: (204) [system] atom_chars('_k', ['_', k])
^  Exit: (203) [user] classify_and_convert_charseq_([$, k], _k)
   Call: (203) [system] integer(_k)
   Fail: (203) [system] integer(_k)
   Call: (203) [system] _1299124=_k
   Exit: (203) [system] _k=_k
^  Exit: (202) [user] classify_and_convert_charseq([$, k], _k)
^  Exit: (201) [user] read_symbolic(')', (0x563acd73bee0), $, _k)
^  Exit: (200) [user] cont_sexpr(')', (0x563acd73bee0), _k)
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _1373678)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1375536)
   Exit: (202) [system] peek_char((0x563acd73bee0), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
   Call: (202) [system] ')'=(/)
   Fail: (202) [system] ')'=(/)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1391546)
   Exit: (201) [system] peek_char((0x563acd73bee0), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x563acd73bee0), _1395336)
   Exit: (201) [system] get_char((0x563acd73bee0), ')')
   Call: (201) [system] _1373678=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), [])
   Call: (200) [system] _1262464=[_k]
   Exit: (200) [system] [_k]=[_k]
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), [_k])
   Call: (199) [system] _1136392=[_rb, _k]
   Exit: (199) [system] [_rb, _k]=[_rb, _k]
^  Exit: (198) [user] read_list(')', (0x563acd73bee0), [_rb, _k])
   Call: (198) [system] _1010320=[_kb, _rb, _k]
   Exit: (198) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (197) [user] read_list(')', (0x563acd73bee0), [_kb, _rb, _k])
   Call: (197) [system] _412978=[[:, _proof1, _premise1], _kb, _rb, _k]
   Exit: (197) [system] [[:, _proof1, _premise1], _kb, _rb, _k]=[[:, _proof1, _premise1], _kb, _rb, _k]
^  Exit: (196) [user] read_list(')', (0x563acd73bee0), [[:, _proof1, _premise1], _kb, _rb, _k])
   Call: (196) [system] _158582=[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]
   Exit: (196) [system] [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]=[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), [synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
^  Exit: (194) [user] cont_sexpr(')', (0x563acd73bee0), [synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _1414806)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1416664)
   Exit: (196) [system] peek_char((0x563acd73bee0), ')')
   Call: (196) [system] ')'=(;)
   Fail: (196) [system] ')'=(;)
   Call: (196) [system] ')'=(/)
   Fail: (196) [system] ')'=(/)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Fail: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Fail: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
   Fail: (197) [system] char_type(')', cntrl)
^  Fail: (196) [user] is_like_space(')')
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1432674)
   Exit: (195) [system] peek_char((0x563acd73bee0), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x563acd73bee0), _1436464)
   Exit: (195) [system] get_char((0x563acd73bee0), ')')
   Call: (195) [system] _1414806=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), [])
   Call: (194) [system] _121922=[[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
   Exit: (194) [system] [[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]=[[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), [[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
   Call: (193) [system] _3622=[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
   Exit: (193) [system] [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]=[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
^  Exit: (191) [user] cont_sexpr(')', (0x563acd73bee0), [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
^  Call: (191) [user] read_list(')', (0x563acd73bee0), _1447552)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1449410)
   Exit: (193) [system] peek_char((0x563acd73bee0), '\n')
   Call: (193) [system] '\n'=(;)
   Fail: (193) [system] '\n'=(;)
   Call: (193) [system] '\n'=(/)
   Fail: (193) [system] '\n'=(/)
^  Call: (193) [user] is_like_space('\n')
   Call: (194) [system] char_type('\n', 'white')
   Fail: (194) [system] char_type('\n', 'white')
   Call: (194) [system] char_type('\n', end_of_line)
   Exit: (194) [system] char_type('\n', end_of_line)
^  Exit: (193) [user] is_like_space('\n')
   Call: (193) [system] get_char((0x563acd73bee0), _1460860)
   Exit: (193) [system] get_char((0x563acd73bee0), '\n')
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1463564)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x563acd73bee0), _1473158)
   Exit: (194) [system] get_char((0x563acd73bee0), ' ')
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1475862)
   Exit: (195) [system] peek_char((0x563acd73bee0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x563acd73bee0), _1485456)
   Exit: (195) [system] get_char((0x563acd73bee0), ' ')
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1488160)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x563acd73bee0), _1497754)
   Exit: (196) [system] get_char((0x563acd73bee0), ' ')
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1500458)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x563acd73bee0), _1510052)
   Exit: (197) [system] get_char((0x563acd73bee0), ' ')
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1512756)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x563acd73bee0), _1522350)
   Exit: (198) [system] get_char((0x563acd73bee0), ' ')
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1525054)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x563acd73bee0), _1534648)
   Exit: (199) [system] get_char((0x563acd73bee0), ' ')
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1537352)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x563acd73bee0), _1546946)
   Exit: (200) [system] get_char((0x563acd73bee0), ' ')
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1549650)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _1559244)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1561948)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x563acd73bee0), _1571542)
   Exit: (202) [system] get_char((0x563acd73bee0), ' ')
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1574246)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x563acd73bee0), _1583840)
   Exit: (203) [system] get_char((0x563acd73bee0), ' ')
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1586544)
   Exit: (204) [system] peek_char((0x563acd73bee0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
   Call: (204) [system] '('=(/)
   Fail: (204) [system] '('=(/)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1612718)
   Exit: (192) [system] peek_char((0x563acd73bee0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x563acd73bee0), _1618288)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1620146)
   Exit: (194) [system] peek_char((0x563acd73bee0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] get_char((0x563acd73bee0), _1636156)
   Exit: (193) [system] get_char((0x563acd73bee0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _1618288)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1641726)
   Exit: (195) [system] peek_char((0x563acd73bee0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1657736)
   Exit: (194) [system] peek_char((0x563acd73bee0), '(')
   Call: (194) [system] '('=')'
   Fail: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
   Fail: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x563acd73bee0), _1663306)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1665164)
   Exit: (196) [system] peek_char((0x563acd73bee0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] get_char((0x563acd73bee0), _1681174)
   Exit: (195) [system] get_char((0x563acd73bee0), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _1663306)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1686744)
   Exit: (197) [system] peek_char((0x563acd73bee0), :)
   Call: (197) [system] (:)=(;)
   Fail: (197) [system] (:)=(;)
   Call: (197) [system] (:)=(/)
   Fail: (197) [system] (:)=(/)
^  Call: (197) [user] is_like_space(:)
   Call: (198) [system] char_type(:, 'white')
   Fail: (198) [system] char_type(:, 'white')
   Call: (198) [system] char_type(:, end_of_line)
   Fail: (198) [system] char_type(:, end_of_line)
   Call: (198) [system] char_type(:, space)
   Fail: (198) [system] char_type(:, space)
   Call: (198) [system] char_type(:, cntrl)
   Fail: (198) [system] char_type(:, cntrl)
^  Fail: (197) [user] is_like_space(:)
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1702754)
   Exit: (196) [system] peek_char((0x563acd73bee0), :)
   Call: (196) [system] (:)=')'
   Fail: (196) [system] (:)=')'
   Call: (196) [system] (:)=end_of_file
   Fail: (196) [system] (:)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x563acd73bee0), _1708324)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1710182)
   Exit: (198) [system] peek_char((0x563acd73bee0), :)
   Call: (198) [system] (:)=(;)
   Fail: (198) [system] (:)=(;)
   Call: (198) [system] (:)=(/)
   Fail: (198) [system] (:)=(/)
^  Call: (198) [user] is_like_space(:)
   Call: (199) [system] char_type(:, 'white')
   Fail: (199) [system] char_type(:, 'white')
   Call: (199) [system] char_type(:, end_of_line)
   Fail: (199) [system] char_type(:, end_of_line)
   Call: (199) [system] char_type(:, space)
   Fail: (199) [system] char_type(:, space)
   Call: (199) [system] char_type(:, cntrl)
   Fail: (199) [system] char_type(:, cntrl)
^  Fail: (198) [user] is_like_space(:)
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] get_char((0x563acd73bee0), _1726192)
   Exit: (197) [system] get_char((0x563acd73bee0), :)
   Call: (197) [system] (:)='('
   Fail: (197) [system] (:)='('
   Call: (197) [system] (:)='['
   Fail: (197) [system] (:)='['
   Call: (197) [system] (:)='{'
   Fail: (197) [system] (:)='{'
   Call: (197) [system] (:)='"'
   Fail: (197) [system] (:)='"'
   Call: (197) [system] (:)=!
   Fail: (197) [system] (:)=!
   Call: (197) [system] (:)='\''
   Fail: (197) [system] (:)='\''
   Call: (197) [system] (:)='`'
   Fail: (197) [system] (:)='`'
   Call: (197) [system] (:)=end_of_file
   Fail: (197) [system] (:)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x563acd73bee0), :, _1708324)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _1743834)
   Call: (199) [system] peek_char((0x563acd73bee0), _1744768)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (199) [user] is_delimiter(' ')
   Call: (200) [system] char_type(' ', space)
   Exit: (200) [system] char_type(' ', space)
^  Exit: (199) [user] is_delimiter(' ')
   Call: (199) [system] _1743834=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (198) [user] classify_and_convert_charseq([:], _1708324)
^  Call: (199) [user] classify_and_convert_charseq_([:], _1754052)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_1755004, _1755006), once(user:catch(read_from_chars([:], _1754052), _1754986, fail)), '$restore_trace'(_1755004, _1755006))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_1755004, _1755006))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1754986, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(:)
   Exit: (200) [system] atomic(:)
^  Exit: (199) [user] classify_and_convert_charseq_([:], :)
   Call: (199) [system] integer(:)
   Fail: (199) [system] integer(:)
   Call: (199) [system] _1708324=(:)
   Exit: (199) [system] (:)=(:)
^  Exit: (198) [user] classify_and_convert_charseq([:], :)
^  Exit: (197) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (196) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (196) [user] read_list(')', (0x563acd73bee0), _1767132)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1768990)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x563acd73bee0), _1778584)
   Exit: (198) [system] get_char((0x563acd73bee0), ' ')
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1781288)
   Exit: (199) [system] peek_char((0x563acd73bee0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1798222)
   Exit: (197) [system] peek_char((0x563acd73bee0), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x563acd73bee0), _1803792)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1805650)
   Exit: (199) [system] peek_char((0x563acd73bee0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] get_char((0x563acd73bee0), _1821660)
   Exit: (198) [system] get_char((0x563acd73bee0), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x563acd73bee0), $, _1803792)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _1839302)
   Call: (200) [system] peek_char((0x563acd73bee0), _1840236)
   Exit: (200) [system] peek_char((0x563acd73bee0), p)
^  Call: (200) [user] is_delimiter(p)
   Call: (201) [system] char_type(p, space)
   Fail: (201) [system] char_type(p, space)
   Call: (201) [system] arg(_1844956, v('(', ')', end_of_file), p)
   Fail: (201) [system] arg(_1845888, v('(', ')', end_of_file), p)
^  Fail: (200) [user] is_delimiter(p)
   Call: (200) [system] ')'==p
   Fail: (200) [system] ')'==p
   Call: (200) [system] get_char((0x563acd73bee0), p)
   Exit: (200) [system] get_char((0x563acd73bee0), p)
   Call: (200) [system] p=(\)
   Fail: (200) [system] p=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _1853238)
   Call: (201) [system] peek_char((0x563acd73bee0), _1854172)
   Exit: (201) [system] peek_char((0x563acd73bee0), r)
^  Call: (201) [user] is_delimiter(r)
   Call: (202) [system] char_type(r, space)
   Fail: (202) [system] char_type(r, space)
   Call: (202) [system] arg(_1858892, v('(', ')', end_of_file), r)
   Fail: (202) [system] arg(_1859824, v('(', ')', end_of_file), r)
^  Fail: (201) [user] is_delimiter(r)
   Call: (201) [system] ')'==r
   Fail: (201) [system] ')'==r
   Call: (201) [system] get_char((0x563acd73bee0), r)
   Exit: (201) [system] get_char((0x563acd73bee0), r)
   Call: (201) [system] r=(\)
   Fail: (201) [system] r=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _1867174)
   Call: (202) [system] peek_char((0x563acd73bee0), _1868108)
   Exit: (202) [system] peek_char((0x563acd73bee0), o)
^  Call: (202) [user] is_delimiter(o)
   Call: (203) [system] char_type(o, space)
   Fail: (203) [system] char_type(o, space)
   Call: (203) [system] arg(_1872828, v('(', ')', end_of_file), o)
   Fail: (203) [system] arg(_1873760, v('(', ')', end_of_file), o)
^  Fail: (202) [user] is_delimiter(o)
   Call: (202) [system] ')'==o
   Fail: (202) [system] ')'==o
   Call: (202) [system] get_char((0x563acd73bee0), o)
   Exit: (202) [system] get_char((0x563acd73bee0), o)
   Call: (202) [system] o=(\)
   Fail: (202) [system] o=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1881110)
   Call: (203) [system] peek_char((0x563acd73bee0), _1882044)
   Exit: (203) [system] peek_char((0x563acd73bee0), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Fail: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_1886764, v('(', ')', end_of_file), o)
   Fail: (204) [system] arg(_1887696, v('(', ')', end_of_file), o)
^  Fail: (203) [user] is_delimiter(o)
   Call: (203) [system] ')'==o
   Fail: (203) [system] ')'==o
   Call: (203) [system] get_char((0x563acd73bee0), o)
   Exit: (203) [system] get_char((0x563acd73bee0), o)
   Call: (203) [system] o=(\)
   Fail: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1895046)
   Call: (204) [system] peek_char((0x563acd73bee0), _1895980)
   Exit: (204) [system] peek_char((0x563acd73bee0), f)
^  Call: (204) [user] is_delimiter(f)
   Call: (205) [system] char_type(f, space)
   Fail: (205) [system] char_type(f, space)
   Call: (205) [system] arg(_1900700, v('(', ')', end_of_file), f)
   Fail: (205) [system] arg(_1901632, v('(', ')', end_of_file), f)
^  Fail: (204) [user] is_delimiter(f)
   Call: (204) [system] ')'==f
   Fail: (204) [system] ')'==f
   Call: (204) [system] get_char((0x563acd73bee0), f)
   Exit: (204) [system] get_char((0x563acd73bee0), f)
   Call: (204) [system] f=(\)
   Fail: (204) [system] f=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1908982)
   Call: (205) [system] peek_char((0x563acd73bee0), _1909916)
   Exit: (205) [system] peek_char((0x563acd73bee0), '2')
^  Call: (205) [user] is_delimiter('2')
   Call: (206) [system] char_type('2', space)
   Fail: (206) [system] char_type('2', space)
   Call: (206) [system] arg(_1914636, v('(', ')', end_of_file), '2')
   Fail: (206) [system] arg(_1915568, v('(', ')', end_of_file), '2')
^  Fail: (205) [user] is_delimiter('2')
   Call: (205) [system] ')'=='2'
   Fail: (205) [system] ')'=='2'
   Call: (205) [system] get_char((0x563acd73bee0), '2')
   Exit: (205) [system] get_char((0x563acd73bee0), '2')
   Call: (205) [system] '2'=(\)
   Fail: (205) [system] '2'=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1922918)
   Call: (206) [system] peek_char((0x563acd73bee0), _1923852)
   Exit: (206) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _1922918=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (205) [system] _1908982=['2']
   Exit: (205) [system] ['2']=['2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), ['2'])
   Call: (204) [system] _1895046=[f, '2']
   Exit: (204) [system] [f, '2']=[f, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [f, '2'])
   Call: (203) [system] _1881110=[o, f, '2']
   Exit: (203) [system] [o, f, '2']=[o, f, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, f, '2'])
   Call: (202) [system] _1867174=[o, o, f, '2']
   Exit: (202) [system] [o, o, f, '2']=[o, o, f, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, o, f, '2'])
   Call: (201) [system] _1853238=[r, o, o, f, '2']
   Exit: (201) [system] [r, o, o, f, '2']=[r, o, o, f, '2']
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, o, f, '2'])
   Call: (200) [system] _1839302=[p, r, o, o, f, '2']
   Exit: (200) [system] [p, r, o, o, f, '2']=[p, r, o, o, f, '2']
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, o, o, f, '2'])
^  Call: (199) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _1803792)
^  Call: (200) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _1949900)
   Call: (201) [system] atom_chars(_1950832, ['_', p, r, o, o, f, '2'])
   Exit: (201) [system] atom_chars('_proof2', ['_', p, r, o, o, f, '2'])
^  Exit: (200) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _proof2)
   Call: (200) [system] integer(_proof2)
   Fail: (200) [system] integer(_proof2)
   Call: (200) [system] _1803792=_proof2
   Exit: (200) [system] _proof2=_proof2
^  Exit: (199) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _proof2)
^  Exit: (198) [user] read_symbolic(')', (0x563acd73bee0), $, _proof2)
^  Exit: (197) [user] cont_sexpr(')', (0x563acd73bee0), _proof2)
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _1960124)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1961982)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x563acd73bee0), _1971576)
   Exit: (199) [system] get_char((0x563acd73bee0), ' ')
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1974280)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1991214)
   Exit: (198) [system] peek_char((0x563acd73bee0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x563acd73bee0), _1996784)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1998642)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] get_char((0x563acd73bee0), _2014652)
   Exit: (199) [system] get_char((0x563acd73bee0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x563acd73bee0), $, _1996784)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _2032294)
   Call: (201) [system] peek_char((0x563acd73bee0), _2033228)
   Exit: (201) [system] peek_char((0x563acd73bee0), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_2037948, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_2038880, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x563acd73bee0), p)
   Exit: (201) [system] get_char((0x563acd73bee0), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _2046230)
   Call: (202) [system] peek_char((0x563acd73bee0), _2047164)
   Exit: (202) [system] peek_char((0x563acd73bee0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_2051884, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_2052816, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x563acd73bee0), r)
   Exit: (202) [system] get_char((0x563acd73bee0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _2060166)
   Call: (203) [system] peek_char((0x563acd73bee0), _2061100)
   Exit: (203) [system] peek_char((0x563acd73bee0), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Fail: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_2065820, v('(', ')', end_of_file), e)
   Fail: (204) [system] arg(_2066752, v('(', ')', end_of_file), e)
^  Fail: (203) [user] is_delimiter(e)
   Call: (203) [system] ')'==e
   Fail: (203) [system] ')'==e
   Call: (203) [system] get_char((0x563acd73bee0), e)
   Exit: (203) [system] get_char((0x563acd73bee0), e)
   Call: (203) [system] e=(\)
   Fail: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _2074102)
   Call: (204) [system] peek_char((0x563acd73bee0), _2075036)
   Exit: (204) [system] peek_char((0x563acd73bee0), m)
^  Call: (204) [user] is_delimiter(m)
   Call: (205) [system] char_type(m, space)
   Fail: (205) [system] char_type(m, space)
   Call: (205) [system] arg(_2079756, v('(', ')', end_of_file), m)
   Fail: (205) [system] arg(_2080688, v('(', ')', end_of_file), m)
^  Fail: (204) [user] is_delimiter(m)
   Call: (204) [system] ')'==m
   Fail: (204) [system] ')'==m
   Call: (204) [system] get_char((0x563acd73bee0), m)
   Exit: (204) [system] get_char((0x563acd73bee0), m)
   Call: (204) [system] m=(\)
   Fail: (204) [system] m=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _2088038)
   Call: (205) [system] peek_char((0x563acd73bee0), _2088972)
   Exit: (205) [system] peek_char((0x563acd73bee0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_2093692, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_2094624, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x563acd73bee0), i)
   Exit: (205) [system] get_char((0x563acd73bee0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _9006)
   Call: (206) [system] peek_char((0x563acd73bee0), _9940)
   Exit: (206) [system] peek_char((0x563acd73bee0), s)
^  Call: (206) [user] is_delimiter(s)
   Call: (207) [system] char_type(s, space)
   Fail: (207) [system] char_type(s, space)
   Call: (207) [system] arg(_14660, v('(', ')', end_of_file), s)
   Fail: (207) [system] arg(_15592, v('(', ')', end_of_file), s)
^  Fail: (206) [user] is_delimiter(s)
   Call: (206) [system] ')'==s
   Fail: (206) [system] ')'==s
   Call: (206) [system] get_char((0x563acd73bee0), s)
   Exit: (206) [system] get_char((0x563acd73bee0), s)
   Call: (206) [system] s=(\)
   Fail: (206) [system] s=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _22942)
   Call: (207) [system] peek_char((0x563acd73bee0), _23876)
   Exit: (207) [system] peek_char((0x563acd73bee0), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_28596, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_29528, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x563acd73bee0), e)
   Exit: (207) [system] get_char((0x563acd73bee0), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _36878)
   Call: (208) [system] peek_char((0x563acd73bee0), _37812)
   Exit: (208) [system] peek_char((0x563acd73bee0), '2')
^  Call: (208) [user] is_delimiter('2')
   Call: (209) [system] char_type('2', space)
   Fail: (209) [system] char_type('2', space)
   Call: (209) [system] arg(_42532, v('(', ')', end_of_file), '2')
   Fail: (209) [system] arg(_43464, v('(', ')', end_of_file), '2')
^  Fail: (208) [user] is_delimiter('2')
   Call: (208) [system] ')'=='2'
   Fail: (208) [system] ')'=='2'
   Call: (208) [system] get_char((0x563acd73bee0), '2')
   Exit: (208) [system] get_char((0x563acd73bee0), '2')
   Call: (208) [system] '2'=(\)
   Fail: (208) [system] '2'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _50814)
   Call: (209) [system] peek_char((0x563acd73bee0), _51748)
   Exit: (209) [system] peek_char((0x563acd73bee0), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_56468, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _50814=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (208) [system] _36878=['2']
   Exit: (208) [system] ['2']=['2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), ['2'])
   Call: (207) [system] _22942=[e, '2']
   Exit: (207) [system] [e, '2']=[e, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, '2'])
   Call: (206) [system] _9006=[s, e, '2']
   Exit: (206) [system] [s, e, '2']=[s, e, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, e, '2'])
   Call: (205) [system] _3782=[i, s, e, '2']
   Exit: (205) [system] [i, s, e, '2']=[i, s, e, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, e, '2'])
   Call: (204) [system] _3778=[m, i, s, e, '2']
   Exit: (204) [system] [m, i, s, e, '2']=[m, i, s, e, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, i, s, e, '2'])
   Call: (203) [system] _3774=[e, m, i, s, e, '2']
   Exit: (203) [system] [e, m, i, s, e, '2']=[e, m, i, s, e, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, m, i, s, e, '2'])
   Call: (202) [system] _3770=[r, e, m, i, s, e, '2']
   Exit: (202) [system] [r, e, m, i, s, e, '2']=[r, e, m, i, s, e, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, e, m, i, s, e, '2'])
   Call: (201) [system] _3766=[p, r, e, m, i, s, e, '2']
   Exit: (201) [system] [p, r, e, m, i, s, e, '2']=[p, r, e, m, i, s, e, '2']
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, e, m, i, s, e, '2'])
^  Call: (200) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _3762)
^  Call: (201) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _85256)
   Call: (202) [system] atom_chars(_86188, ['_', p, r, e, m, i, s, e, '2'])
   Exit: (202) [system] atom_chars('_premise2', ['_', p, r, e, m, i, s, e, '2'])
^  Exit: (201) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _premise2)
   Call: (201) [system] integer(_premise2)
   Fail: (201) [system] integer(_premise2)
   Call: (201) [system] _3762=_premise2
   Exit: (201) [system] _premise2=_premise2
^  Exit: (200) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _premise2)
^  Exit: (199) [user] read_symbolic(')', (0x563acd73bee0), $, _premise2)
^  Exit: (198) [user] cont_sexpr(')', (0x563acd73bee0), _premise2)
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _95480)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _97338)
   Exit: (200) [system] peek_char((0x563acd73bee0), ')')
   Call: (200) [system] ')'=(;)
   Fail: (200) [system] ')'=(;)
   Call: (200) [system] ')'=(/)
   Fail: (200) [system] ')'=(/)
^  Call: (200) [user] is_like_space(')')
   Call: (201) [system] char_type(')', 'white')
   Fail: (201) [system] char_type(')', 'white')
   Call: (201) [system] char_type(')', end_of_line)
   Fail: (201) [system] char_type(')', end_of_line)
   Call: (201) [system] char_type(')', space)
   Fail: (201) [system] char_type(')', space)
   Call: (201) [system] char_type(')', cntrl)
   Fail: (201) [system] char_type(')', cntrl)
^  Fail: (200) [user] is_like_space(')')
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _113348)
   Exit: (199) [system] peek_char((0x563acd73bee0), ')')
   Call: (199) [system] ')'=')'
   Exit: (199) [system] ')'=')'
   Call: (199) [system] get_char((0x563acd73bee0), _117138)
   Exit: (199) [system] get_char((0x563acd73bee0), ')')
   Call: (199) [system] _95480=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_list(')', (0x563acd73bee0), [])
   Call: (198) [system] _3758=[_premise2]
   Exit: (198) [system] [_premise2]=[_premise2]
^  Exit: (197) [user] read_list(')', (0x563acd73bee0), [_premise2])
   Call: (197) [system] _3748=[_proof2, _premise2]
   Exit: (197) [system] [_proof2, _premise2]=[_proof2, _premise2]
^  Exit: (196) [user] read_list(')', (0x563acd73bee0), [_proof2, _premise2])
   Call: (196) [system] _3740=[:, _proof2, _premise2]
   Exit: (196) [system] [:, _proof2, _premise2]=[:, _proof2, _premise2]
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), [:, _proof2, _premise2])
^  Exit: (194) [user] cont_sexpr(')', (0x563acd73bee0), [:, _proof2, _premise2])
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _131020)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _132878)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x563acd73bee0), _142472)
   Exit: (196) [system] get_char((0x563acd73bee0), ' ')
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _145176)
   Exit: (197) [system] peek_char((0x563acd73bee0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _162110)
   Exit: (195) [system] peek_char((0x563acd73bee0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x563acd73bee0), _167680)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _169538)
   Exit: (197) [system] peek_char((0x563acd73bee0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] get_char((0x563acd73bee0), _185548)
   Exit: (196) [system] get_char((0x563acd73bee0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x563acd73bee0), _167680)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _191118)
   Exit: (198) [system] peek_char((0x563acd73bee0), s)
   Call: (198) [system] s=(;)
   Fail: (198) [system] s=(;)
   Call: (198) [system] s=(/)
   Fail: (198) [system] s=(/)
^  Call: (198) [user] is_like_space(s)
   Call: (199) [system] char_type(s, 'white')
   Fail: (199) [system] char_type(s, 'white')
   Call: (199) [system] char_type(s, end_of_line)
   Fail: (199) [system] char_type(s, end_of_line)
   Call: (199) [system] char_type(s, space)
   Fail: (199) [system] char_type(s, space)
   Call: (199) [system] char_type(s, cntrl)
   Fail: (199) [system] char_type(s, cntrl)
^  Fail: (198) [user] is_like_space(s)
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _207128)
   Exit: (197) [system] peek_char((0x563acd73bee0), s)
   Call: (197) [system] s=')'
   Fail: (197) [system] s=')'
   Call: (197) [system] s=end_of_file
   Fail: (197) [system] s=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x563acd73bee0), _212698)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _214556)
   Exit: (199) [system] peek_char((0x563acd73bee0), s)
   Call: (199) [system] s=(;)
   Fail: (199) [system] s=(;)
   Call: (199) [system] s=(/)
   Fail: (199) [system] s=(/)
^  Call: (199) [user] is_like_space(s)
   Call: (200) [system] char_type(s, 'white')
   Fail: (200) [system] char_type(s, 'white')
   Call: (200) [system] char_type(s, end_of_line)
   Fail: (200) [system] char_type(s, end_of_line)
   Call: (200) [system] char_type(s, space)
   Fail: (200) [system] char_type(s, space)
   Call: (200) [system] char_type(s, cntrl)
   Fail: (200) [system] char_type(s, cntrl)
^  Fail: (199) [user] is_like_space(s)
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] get_char((0x563acd73bee0), _230566)
   Exit: (198) [system] get_char((0x563acd73bee0), s)
   Call: (198) [system] s='('
   Fail: (198) [system] s='('
   Call: (198) [system] s='['
   Fail: (198) [system] s='['
   Call: (198) [system] s='{'
   Fail: (198) [system] s='{'
   Call: (198) [system] s='"'
   Fail: (198) [system] s='"'
   Call: (198) [system] s=!
   Fail: (198) [system] s=!
   Call: (198) [system] s='\''
   Fail: (198) [system] s='\''
   Call: (198) [system] s='`'
   Fail: (198) [system] s='`'
   Call: (198) [system] s=end_of_file
   Fail: (198) [system] s=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x563acd73bee0), s, _212698)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _248208)
   Call: (200) [system] peek_char((0x563acd73bee0), _249142)
   Exit: (200) [system] peek_char((0x563acd73bee0), y)
^  Call: (200) [user] is_delimiter(y)
   Call: (201) [system] char_type(y, space)
   Fail: (201) [system] char_type(y, space)
   Call: (201) [system] arg(_253862, v('(', ')', end_of_file), y)
   Fail: (201) [system] arg(_254794, v('(', ')', end_of_file), y)
^  Fail: (200) [user] is_delimiter(y)
   Call: (200) [system] ')'==y
   Fail: (200) [system] ')'==y
   Call: (200) [system] get_char((0x563acd73bee0), y)
   Exit: (200) [system] get_char((0x563acd73bee0), y)
   Call: (200) [system] y=(\)
   Fail: (200) [system] y=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _262144)
   Call: (201) [system] peek_char((0x563acd73bee0), _263078)
   Exit: (201) [system] peek_char((0x563acd73bee0), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_267798, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_268730, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x563acd73bee0), n)
   Exit: (201) [system] get_char((0x563acd73bee0), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _276080)
   Call: (202) [system] peek_char((0x563acd73bee0), _277014)
   Exit: (202) [system] peek_char((0x563acd73bee0), t)
^  Call: (202) [user] is_delimiter(t)
   Call: (203) [system] char_type(t, space)
   Fail: (203) [system] char_type(t, space)
   Call: (203) [system] arg(_281734, v('(', ')', end_of_file), t)
   Fail: (203) [system] arg(_282666, v('(', ')', end_of_file), t)
^  Fail: (202) [user] is_delimiter(t)
   Call: (202) [system] ')'==t
   Fail: (202) [system] ')'==t
   Call: (202) [system] get_char((0x563acd73bee0), t)
   Exit: (202) [system] get_char((0x563acd73bee0), t)
   Call: (202) [system] t=(\)
   Fail: (202) [system] t=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _290016)
   Call: (203) [system] peek_char((0x563acd73bee0), _290950)
   Exit: (203) [system] peek_char((0x563acd73bee0), h)
^  Call: (203) [user] is_delimiter(h)
   Call: (204) [system] char_type(h, space)
   Fail: (204) [system] char_type(h, space)
   Call: (204) [system] arg(_295670, v('(', ')', end_of_file), h)
   Fail: (204) [system] arg(_296602, v('(', ')', end_of_file), h)
^  Fail: (203) [user] is_delimiter(h)
   Call: (203) [system] ')'==h
   Fail: (203) [system] ')'==h
   Call: (203) [system] get_char((0x563acd73bee0), h)
   Exit: (203) [system] get_char((0x563acd73bee0), h)
   Call: (203) [system] h=(\)
   Fail: (203) [system] h=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _303952)
   Call: (204) [system] peek_char((0x563acd73bee0), _304886)
   Exit: (204) [system] peek_char((0x563acd73bee0), e)
^  Call: (204) [user] is_delimiter(e)
   Call: (205) [system] char_type(e, space)
   Fail: (205) [system] char_type(e, space)
   Call: (205) [system] arg(_309606, v('(', ')', end_of_file), e)
   Fail: (205) [system] arg(_310538, v('(', ')', end_of_file), e)
^  Fail: (204) [user] is_delimiter(e)
   Call: (204) [system] ')'==e
   Fail: (204) [system] ')'==e
   Call: (204) [system] get_char((0x563acd73bee0), e)
   Exit: (204) [system] get_char((0x563acd73bee0), e)
   Call: (204) [system] e=(\)
   Fail: (204) [system] e=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _317888)
   Call: (205) [system] peek_char((0x563acd73bee0), _318822)
   Exit: (205) [system] peek_char((0x563acd73bee0), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Fail: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_323542, v('(', ')', end_of_file), s)
   Fail: (206) [system] arg(_324474, v('(', ')', end_of_file), s)
^  Fail: (205) [user] is_delimiter(s)
   Call: (205) [system] ')'==s
   Fail: (205) [system] ')'==s
   Call: (205) [system] get_char((0x563acd73bee0), s)
   Exit: (205) [system] get_char((0x563acd73bee0), s)
   Call: (205) [system] s=(\)
   Fail: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _331824)
   Call: (206) [system] peek_char((0x563acd73bee0), _332758)
   Exit: (206) [system] peek_char((0x563acd73bee0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_337478, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_338410, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x563acd73bee0), i)
   Exit: (206) [system] get_char((0x563acd73bee0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _345760)
   Call: (207) [system] peek_char((0x563acd73bee0), _346694)
   Exit: (207) [system] peek_char((0x563acd73bee0), z)
^  Call: (207) [user] is_delimiter(z)
   Call: (208) [system] char_type(z, space)
   Fail: (208) [system] char_type(z, space)
   Call: (208) [system] arg(_351414, v('(', ')', end_of_file), z)
   Fail: (208) [system] arg(_352346, v('(', ')', end_of_file), z)
^  Fail: (207) [user] is_delimiter(z)
   Call: (207) [system] ')'==z
   Fail: (207) [system] ')'==z
   Call: (207) [system] get_char((0x563acd73bee0), z)
   Exit: (207) [system] get_char((0x563acd73bee0), z)
   Call: (207) [system] z=(\)
   Fail: (207) [system] z=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _359696)
   Call: (208) [system] peek_char((0x563acd73bee0), _360630)
   Exit: (208) [system] peek_char((0x563acd73bee0), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Fail: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_365350, v('(', ')', end_of_file), e)
   Fail: (209) [system] arg(_366282, v('(', ')', end_of_file), e)
^  Fail: (208) [user] is_delimiter(e)
   Call: (208) [system] ')'==e
   Fail: (208) [system] ')'==e
   Call: (208) [system] get_char((0x563acd73bee0), e)
   Exit: (208) [system] get_char((0x563acd73bee0), e)
   Call: (208) [system] e=(\)
   Fail: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _373632)
   Call: (209) [system] peek_char((0x563acd73bee0), _374566)
   Exit: (209) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _373632=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (208) [system] _359696=[e]
   Exit: (208) [system] [e]=[e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [e])
   Call: (207) [system] _345760=[z, e]
   Exit: (207) [system] [z, e]=[z, e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [z, e])
   Call: (206) [system] _331824=[i, z, e]
   Exit: (206) [system] [i, z, e]=[i, z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, z, e])
   Call: (205) [system] _317888=[s, i, z, e]
   Exit: (205) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, i, z, e])
   Call: (204) [system] _303952=[e, s, i, z, e]
   Exit: (204) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, s, i, z, e])
   Call: (203) [system] _290016=[h, e, s, i, z, e]
   Exit: (203) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [h, e, s, i, z, e])
   Call: (202) [system] _276080=[t, h, e, s, i, z, e]
   Exit: (202) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, h, e, s, i, z, e])
   Call: (201) [system] _262144=[n, t, h, e, s, i, z, e]
   Exit: (201) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, h, e, s, i, z, e])
   Call: (200) [system] _248208=[y, n, t, h, e, s, i, z, e]
   Exit: (200) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [y, n, t, h, e, s, i, z, e])
^  Call: (199) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _212698)
^  Call: (200) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _408996)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_409948, _409950), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _408996), _409930, fail)), '$restore_trace'(_409948, _409950))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_409948, _409950))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _409930, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(synthesize)
   Exit: (201) [system] atomic(synthesize)
^  Exit: (200) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (200) [system] integer(synthesize)
   Fail: (200) [system] integer(synthesize)
   Call: (200) [system] _212698=synthesize
   Exit: (200) [system] synthesize=synthesize
^  Exit: (199) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (198) [user] read_symbolic(')', (0x563acd73bee0), s, synthesize)
^  Exit: (197) [user] cont_sexpr(')', (0x563acd73bee0), synthesize)
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _422076)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _423934)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x563acd73bee0), _433528)
   Exit: (199) [system] get_char((0x563acd73bee0), ' ')
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _436232)
   Exit: (200) [system] peek_char((0x563acd73bee0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _453166)
   Exit: (198) [system] peek_char((0x563acd73bee0), '(')
   Call: (198) [system] '('=')'
   Fail: (198) [system] '('=')'
   Call: (198) [system] '('=end_of_file
   Fail: (198) [system] '('=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x563acd73bee0), _458736)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _460594)
   Exit: (200) [system] peek_char((0x563acd73bee0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] get_char((0x563acd73bee0), _476604)
   Exit: (199) [system] get_char((0x563acd73bee0), '(')
   Call: (199) [system] '('='('
   Exit: (199) [system] '('='('
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _458736)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _482174)
   Exit: (201) [system] peek_char((0x563acd73bee0), :)
   Call: (201) [system] (:)=(;)
   Fail: (201) [system] (:)=(;)
   Call: (201) [system] (:)=(/)
   Fail: (201) [system] (:)=(/)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Fail: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Fail: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Fail: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
   Fail: (202) [system] char_type(:, cntrl)
^  Fail: (201) [user] is_like_space(:)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _498184)
   Exit: (200) [system] peek_char((0x563acd73bee0), :)
   Call: (200) [system] (:)=')'
   Fail: (200) [system] (:)=')'
   Call: (200) [system] (:)=end_of_file
   Fail: (200) [system] (:)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x563acd73bee0), _503754)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _505612)
   Exit: (202) [system] peek_char((0x563acd73bee0), :)
   Call: (202) [system] (:)=(;)
   Fail: (202) [system] (:)=(;)
   Call: (202) [system] (:)=(/)
   Fail: (202) [system] (:)=(/)
^  Call: (202) [user] is_like_space(:)
   Call: (203) [system] char_type(:, 'white')
   Fail: (203) [system] char_type(:, 'white')
   Call: (203) [system] char_type(:, end_of_line)
   Fail: (203) [system] char_type(:, end_of_line)
   Call: (203) [system] char_type(:, space)
   Fail: (203) [system] char_type(:, space)
   Call: (203) [system] char_type(:, cntrl)
   Fail: (203) [system] char_type(:, cntrl)
^  Fail: (202) [user] is_like_space(:)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] get_char((0x563acd73bee0), _521622)
   Exit: (201) [system] get_char((0x563acd73bee0), :)
   Call: (201) [system] (:)='('
   Fail: (201) [system] (:)='('
   Call: (201) [system] (:)='['
   Fail: (201) [system] (:)='['
   Call: (201) [system] (:)='{'
   Fail: (201) [system] (:)='{'
   Call: (201) [system] (:)='"'
   Fail: (201) [system] (:)='"'
   Call: (201) [system] (:)=!
   Fail: (201) [system] (:)=!
   Call: (201) [system] (:)='\''
   Fail: (201) [system] (:)='\''
   Call: (201) [system] (:)='`'
   Fail: (201) [system] (:)='`'
   Call: (201) [system] (:)=end_of_file
   Fail: (201) [system] (:)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x563acd73bee0), :, _503754)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _539264)
   Call: (203) [system] peek_char((0x563acd73bee0), _540198)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _539264=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (202) [user] classify_and_convert_charseq([:], _503754)
^  Call: (203) [user] classify_and_convert_charseq_([:], _549482)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_550434, _550436), once(user:catch(read_from_chars([:], _549482), _550416, fail)), '$restore_trace'(_550434, _550436))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_550434, _550436))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _550416, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(:)
   Exit: (204) [system] atomic(:)
^  Exit: (203) [user] classify_and_convert_charseq_([:], :)
   Call: (203) [system] integer(:)
   Fail: (203) [system] integer(:)
   Call: (203) [system] _503754=(:)
   Exit: (203) [system] (:)=(:)
^  Exit: (202) [user] classify_and_convert_charseq([:], :)
^  Exit: (201) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (200) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _562562)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _564420)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x563acd73bee0), _574014)
   Exit: (202) [system] get_char((0x563acd73bee0), ' ')
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _576718)
   Exit: (203) [system] peek_char((0x563acd73bee0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _593652)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x563acd73bee0), _599222)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _601080)
   Exit: (203) [system] peek_char((0x563acd73bee0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] get_char((0x563acd73bee0), _617090)
   Exit: (202) [system] get_char((0x563acd73bee0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x563acd73bee0), $, _599222)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _634732)
   Call: (204) [system] peek_char((0x563acd73bee0), _635666)
   Exit: (204) [system] peek_char((0x563acd73bee0), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Fail: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_640386, v('(', ')', end_of_file), p)
   Fail: (205) [system] arg(_641318, v('(', ')', end_of_file), p)
^  Fail: (204) [user] is_delimiter(p)
   Call: (204) [system] ')'==p
   Fail: (204) [system] ')'==p
   Call: (204) [system] get_char((0x563acd73bee0), p)
   Exit: (204) [system] get_char((0x563acd73bee0), p)
   Call: (204) [system] p=(\)
   Fail: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _648668)
   Call: (205) [system] peek_char((0x563acd73bee0), _649602)
   Exit: (205) [system] peek_char((0x563acd73bee0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_654322, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_655254, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x563acd73bee0), r)
   Exit: (205) [system] get_char((0x563acd73bee0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _662604)
   Call: (206) [system] peek_char((0x563acd73bee0), _663538)
   Exit: (206) [system] peek_char((0x563acd73bee0), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_668258, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_669190, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x563acd73bee0), o)
   Exit: (206) [system] get_char((0x563acd73bee0), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _676540)
   Call: (207) [system] peek_char((0x563acd73bee0), _677474)
   Exit: (207) [system] peek_char((0x563acd73bee0), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_682194, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_683126, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x563acd73bee0), o)
   Exit: (207) [system] get_char((0x563acd73bee0), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _690476)
   Call: (208) [system] peek_char((0x563acd73bee0), _691410)
   Exit: (208) [system] peek_char((0x563acd73bee0), f)
^  Call: (208) [user] is_delimiter(f)
   Call: (209) [system] char_type(f, space)
   Fail: (209) [system] char_type(f, space)
   Call: (209) [system] arg(_696130, v('(', ')', end_of_file), f)
   Fail: (209) [system] arg(_697062, v('(', ')', end_of_file), f)
^  Fail: (208) [user] is_delimiter(f)
   Call: (208) [system] ')'==f
   Fail: (208) [system] ')'==f
   Call: (208) [system] get_char((0x563acd73bee0), f)
   Exit: (208) [system] get_char((0x563acd73bee0), f)
   Call: (208) [system] f=(\)
   Fail: (208) [system] f=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _704412)
   Call: (209) [system] peek_char((0x563acd73bee0), _705346)
   Exit: (209) [system] peek_char((0x563acd73bee0), '2')
^  Call: (209) [user] is_delimiter('2')
   Call: (210) [system] char_type('2', space)
   Fail: (210) [system] char_type('2', space)
   Call: (210) [system] arg(_710066, v('(', ')', end_of_file), '2')
   Fail: (210) [system] arg(_710998, v('(', ')', end_of_file), '2')
^  Fail: (209) [user] is_delimiter('2')
   Call: (209) [system] ')'=='2'
   Fail: (209) [system] ')'=='2'
   Call: (209) [system] get_char((0x563acd73bee0), '2')
   Exit: (209) [system] get_char((0x563acd73bee0), '2')
   Call: (209) [system] '2'=(\)
   Fail: (209) [system] '2'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _718348)
   Call: (210) [system] peek_char((0x563acd73bee0), _719282)
   Exit: (210) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _718348=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (209) [system] _704412=['2']
   Exit: (209) [system] ['2']=['2']
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), ['2'])
   Call: (208) [system] _690476=[f, '2']
   Exit: (208) [system] [f, '2']=[f, '2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [f, '2'])
   Call: (207) [system] _676540=[o, f, '2']
   Exit: (207) [system] [o, f, '2']=[o, f, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, f, '2'])
   Call: (206) [system] _662604=[o, o, f, '2']
   Exit: (206) [system] [o, o, f, '2']=[o, o, f, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, o, f, '2'])
   Call: (205) [system] _648668=[r, o, o, f, '2']
   Exit: (205) [system] [r, o, o, f, '2']=[r, o, o, f, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, o, f, '2'])
   Call: (204) [system] _634732=[p, r, o, o, f, '2']
   Exit: (204) [system] [p, r, o, o, f, '2']=[p, r, o, o, f, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, o, o, f, '2'])
^  Call: (203) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _599222)
^  Call: (204) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _745330)
   Call: (205) [system] atom_chars(_746262, ['_', p, r, o, o, f, '2'])
   Exit: (205) [system] atom_chars('_proof2', ['_', p, r, o, o, f, '2'])
^  Exit: (204) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _proof2)
   Call: (204) [system] integer(_proof2)
   Fail: (204) [system] integer(_proof2)
   Call: (204) [system] _599222=_proof2
   Exit: (204) [system] _proof2=_proof2
^  Exit: (203) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _proof2)
^  Exit: (202) [user] read_symbolic(')', (0x563acd73bee0), $, _proof2)
^  Exit: (201) [user] cont_sexpr(')', (0x563acd73bee0), _proof2)
^  Call: (201) [user] read_list(')', (0x563acd73bee0), _755554)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _757412)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x563acd73bee0), _767006)
   Exit: (203) [system] get_char((0x563acd73bee0), ' ')
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _769710)
   Exit: (204) [system] peek_char((0x563acd73bee0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _786644)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=')'
   Fail: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x563acd73bee0), _792214)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _794072)
   Exit: (204) [system] peek_char((0x563acd73bee0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] get_char((0x563acd73bee0), _810082)
   Exit: (203) [system] get_char((0x563acd73bee0), $)
   Call: (203) [system] ($)='('
   Fail: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Fail: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Fail: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Fail: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Fail: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Fail: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Fail: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x563acd73bee0), $, _792214)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _827724)
   Call: (205) [system] peek_char((0x563acd73bee0), _828658)
   Exit: (205) [system] peek_char((0x563acd73bee0), p)
^  Call: (205) [user] is_delimiter(p)
   Call: (206) [system] char_type(p, space)
   Fail: (206) [system] char_type(p, space)
   Call: (206) [system] arg(_833378, v('(', ')', end_of_file), p)
   Fail: (206) [system] arg(_834310, v('(', ')', end_of_file), p)
^  Fail: (205) [user] is_delimiter(p)
   Call: (205) [system] ')'==p
   Fail: (205) [system] ')'==p
   Call: (205) [system] get_char((0x563acd73bee0), p)
   Exit: (205) [system] get_char((0x563acd73bee0), p)
   Call: (205) [system] p=(\)
   Fail: (205) [system] p=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _841660)
   Call: (206) [system] peek_char((0x563acd73bee0), _842594)
   Exit: (206) [system] peek_char((0x563acd73bee0), r)
^  Call: (206) [user] is_delimiter(r)
   Call: (207) [system] char_type(r, space)
   Fail: (207) [system] char_type(r, space)
   Call: (207) [system] arg(_847314, v('(', ')', end_of_file), r)
   Fail: (207) [system] arg(_848246, v('(', ')', end_of_file), r)
^  Fail: (206) [user] is_delimiter(r)
   Call: (206) [system] ')'==r
   Fail: (206) [system] ')'==r
   Call: (206) [system] get_char((0x563acd73bee0), r)
   Exit: (206) [system] get_char((0x563acd73bee0), r)
   Call: (206) [system] r=(\)
   Fail: (206) [system] r=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _855596)
   Call: (207) [system] peek_char((0x563acd73bee0), _856530)
   Exit: (207) [system] peek_char((0x563acd73bee0), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_861250, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_862182, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x563acd73bee0), e)
   Exit: (207) [system] get_char((0x563acd73bee0), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _869532)
   Call: (208) [system] peek_char((0x563acd73bee0), _870466)
   Exit: (208) [system] peek_char((0x563acd73bee0), m)
^  Call: (208) [user] is_delimiter(m)
   Call: (209) [system] char_type(m, space)
   Fail: (209) [system] char_type(m, space)
   Call: (209) [system] arg(_875186, v('(', ')', end_of_file), m)
   Fail: (209) [system] arg(_876118, v('(', ')', end_of_file), m)
^  Fail: (208) [user] is_delimiter(m)
   Call: (208) [system] ')'==m
   Fail: (208) [system] ')'==m
   Call: (208) [system] get_char((0x563acd73bee0), m)
   Exit: (208) [system] get_char((0x563acd73bee0), m)
   Call: (208) [system] m=(\)
   Fail: (208) [system] m=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _883468)
   Call: (209) [system] peek_char((0x563acd73bee0), _884402)
   Exit: (209) [system] peek_char((0x563acd73bee0), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_889122, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_890054, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x563acd73bee0), i)
   Exit: (209) [system] get_char((0x563acd73bee0), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _897404)
   Call: (210) [system] peek_char((0x563acd73bee0), _898338)
   Exit: (210) [system] peek_char((0x563acd73bee0), s)
^  Call: (210) [user] is_delimiter(s)
   Call: (211) [system] char_type(s, space)
   Fail: (211) [system] char_type(s, space)
   Call: (211) [system] arg(_903058, v('(', ')', end_of_file), s)
   Fail: (211) [system] arg(_903990, v('(', ')', end_of_file), s)
^  Fail: (210) [user] is_delimiter(s)
   Call: (210) [system] ')'==s
   Fail: (210) [system] ')'==s
   Call: (210) [system] get_char((0x563acd73bee0), s)
   Exit: (210) [system] get_char((0x563acd73bee0), s)
   Call: (210) [system] s=(\)
   Fail: (210) [system] s=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _911340)
   Call: (211) [system] peek_char((0x563acd73bee0), _912274)
   Exit: (211) [system] peek_char((0x563acd73bee0), e)
^  Call: (211) [user] is_delimiter(e)
   Call: (212) [system] char_type(e, space)
   Fail: (212) [system] char_type(e, space)
   Call: (212) [system] arg(_916994, v('(', ')', end_of_file), e)
   Fail: (212) [system] arg(_917926, v('(', ')', end_of_file), e)
^  Fail: (211) [user] is_delimiter(e)
   Call: (211) [system] ')'==e
   Fail: (211) [system] ')'==e
   Call: (211) [system] get_char((0x563acd73bee0), e)
   Exit: (211) [system] get_char((0x563acd73bee0), e)
   Call: (211) [system] e=(\)
   Fail: (211) [system] e=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _925276)
   Call: (212) [system] peek_char((0x563acd73bee0), _926210)
   Exit: (212) [system] peek_char((0x563acd73bee0), '2')
^  Call: (212) [user] is_delimiter('2')
   Call: (213) [system] char_type('2', space)
   Fail: (213) [system] char_type('2', space)
   Call: (213) [system] arg(_930930, v('(', ')', end_of_file), '2')
   Fail: (213) [system] arg(_931862, v('(', ')', end_of_file), '2')
^  Fail: (212) [user] is_delimiter('2')
   Call: (212) [system] ')'=='2'
   Fail: (212) [system] ')'=='2'
   Call: (212) [system] get_char((0x563acd73bee0), '2')
   Exit: (212) [system] get_char((0x563acd73bee0), '2')
   Call: (212) [system] '2'=(\)
   Fail: (212) [system] '2'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _939212)
   Call: (213) [system] peek_char((0x563acd73bee0), _940146)
   Exit: (213) [system] peek_char((0x563acd73bee0), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_944866, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _939212=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (212) [system] _925276=['2']
   Exit: (212) [system] ['2']=['2']
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), ['2'])
   Call: (211) [system] _911340=[e, '2']
   Exit: (211) [system] [e, '2']=[e, '2']
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, '2'])
   Call: (210) [system] _897404=[s, e, '2']
   Exit: (210) [system] [s, e, '2']=[s, e, '2']
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, e, '2'])
   Call: (209) [system] _883468=[i, s, e, '2']
   Exit: (209) [system] [i, s, e, '2']=[i, s, e, '2']
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, e, '2'])
   Call: (208) [system] _869532=[m, i, s, e, '2']
   Exit: (208) [system] [m, i, s, e, '2']=[m, i, s, e, '2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, i, s, e, '2'])
   Call: (207) [system] _855596=[e, m, i, s, e, '2']
   Exit: (207) [system] [e, m, i, s, e, '2']=[e, m, i, s, e, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, m, i, s, e, '2'])
   Call: (206) [system] _841660=[r, e, m, i, s, e, '2']
   Exit: (206) [system] [r, e, m, i, s, e, '2']=[r, e, m, i, s, e, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, e, m, i, s, e, '2'])
   Call: (205) [system] _827724=[p, r, e, m, i, s, e, '2']
   Exit: (205) [system] [p, r, e, m, i, s, e, '2']=[p, r, e, m, i, s, e, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, e, m, i, s, e, '2'])
^  Call: (204) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _792214)
^  Call: (205) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _973654)
   Call: (206) [system] atom_chars(_974586, ['_', p, r, e, m, i, s, e, '2'])
   Exit: (206) [system] atom_chars('_premise2', ['_', p, r, e, m, i, s, e, '2'])
^  Exit: (205) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _premise2)
   Call: (205) [system] integer(_premise2)
   Fail: (205) [system] integer(_premise2)
   Call: (205) [system] _792214=_premise2
   Exit: (205) [system] _premise2=_premise2
^  Exit: (204) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _premise2)
^  Exit: (203) [user] read_symbolic(')', (0x563acd73bee0), $, _premise2)
^  Exit: (202) [user] cont_sexpr(')', (0x563acd73bee0), _premise2)
^  Call: (202) [user] read_list(')', (0x563acd73bee0), _983878)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _985736)
   Exit: (204) [system] peek_char((0x563acd73bee0), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
   Call: (204) [system] ')'=(/)
   Fail: (204) [system] ')'=(/)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1001746)
   Exit: (203) [system] peek_char((0x563acd73bee0), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x563acd73bee0), _1005536)
   Exit: (203) [system] get_char((0x563acd73bee0), ')')
   Call: (203) [system] _983878=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x563acd73bee0), [])
   Call: (202) [system] _755554=[_premise2]
   Exit: (202) [system] [_premise2]=[_premise2]
^  Exit: (201) [user] read_list(')', (0x563acd73bee0), [_premise2])
   Call: (201) [system] _562562=[_proof2, _premise2]
   Exit: (201) [system] [_proof2, _premise2]=[_proof2, _premise2]
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), [_proof2, _premise2])
   Call: (200) [system] _458736=[:, _proof2, _premise2]
   Exit: (200) [system] [:, _proof2, _premise2]=[:, _proof2, _premise2]
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), [:, _proof2, _premise2])
^  Exit: (198) [user] cont_sexpr(')', (0x563acd73bee0), [:, _proof2, _premise2])
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _1019418)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1021276)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x563acd73bee0), _1030870)
   Exit: (200) [system] get_char((0x563acd73bee0), ' ')
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1033574)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1050508)
   Exit: (199) [system] peek_char((0x563acd73bee0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x563acd73bee0), _1056078)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1057936)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] get_char((0x563acd73bee0), _1073946)
   Exit: (200) [system] get_char((0x563acd73bee0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x563acd73bee0), $, _1056078)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _1091588)
   Call: (202) [system] peek_char((0x563acd73bee0), _1092522)
   Exit: (202) [system] peek_char((0x563acd73bee0), k)
^  Call: (202) [user] is_delimiter(k)
   Call: (203) [system] char_type(k, space)
   Fail: (203) [system] char_type(k, space)
   Call: (203) [system] arg(_1097242, v('(', ')', end_of_file), k)
   Fail: (203) [system] arg(_1098174, v('(', ')', end_of_file), k)
^  Fail: (202) [user] is_delimiter(k)
   Call: (202) [system] ')'==k
   Fail: (202) [system] ')'==k
   Call: (202) [system] get_char((0x563acd73bee0), k)
   Exit: (202) [system] get_char((0x563acd73bee0), k)
   Call: (202) [system] k=(\)
   Fail: (202) [system] k=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1105524)
   Call: (203) [system] peek_char((0x563acd73bee0), _1106458)
   Exit: (203) [system] peek_char((0x563acd73bee0), b)
^  Call: (203) [user] is_delimiter(b)
   Call: (204) [system] char_type(b, space)
   Fail: (204) [system] char_type(b, space)
   Call: (204) [system] arg(_1111178, v('(', ')', end_of_file), b)
   Fail: (204) [system] arg(_1112110, v('(', ')', end_of_file), b)
^  Fail: (203) [user] is_delimiter(b)
   Call: (203) [system] ')'==b
   Fail: (203) [system] ')'==b
   Call: (203) [system] get_char((0x563acd73bee0), b)
   Exit: (203) [system] get_char((0x563acd73bee0), b)
   Call: (203) [system] b=(\)
   Fail: (203) [system] b=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1119460)
   Call: (204) [system] peek_char((0x563acd73bee0), _1120394)
   Exit: (204) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _1119460=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (203) [system] _1105524=[b]
   Exit: (203) [system] [b]=[b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
   Call: (202) [system] _1091588=[k, b]
   Exit: (202) [system] [k, b]=[k, b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [k, b])
^  Call: (201) [user] classify_and_convert_charseq([$, k, b], _1056078)
^  Call: (202) [user] classify_and_convert_charseq_([$, k, b], _1135266)
   Call: (203) [system] atom_chars(_1136198, ['_', k, b])
   Exit: (203) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (202) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (202) [system] integer(_kb)
   Fail: (202) [system] integer(_kb)
   Call: (202) [system] _1056078=_kb
   Exit: (202) [system] _kb=_kb
^  Exit: (201) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (200) [user] read_symbolic(')', (0x563acd73bee0), $, _kb)
^  Exit: (199) [user] cont_sexpr(')', (0x563acd73bee0), _kb)
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _1145490)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1147348)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _1156942)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1159646)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1176580)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x563acd73bee0), _1182150)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1184008)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] get_char((0x563acd73bee0), _1200018)
   Exit: (201) [system] get_char((0x563acd73bee0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x563acd73bee0), $, _1182150)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1217660)
   Call: (203) [system] peek_char((0x563acd73bee0), _1218594)
   Exit: (203) [system] peek_char((0x563acd73bee0), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_1223314, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_1224246, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x563acd73bee0), r)
   Exit: (203) [system] get_char((0x563acd73bee0), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1231596)
   Call: (204) [system] peek_char((0x563acd73bee0), _1232530)
   Exit: (204) [system] peek_char((0x563acd73bee0), b)
^  Call: (204) [user] is_delimiter(b)
   Call: (205) [system] char_type(b, space)
   Fail: (205) [system] char_type(b, space)
   Call: (205) [system] arg(_1237250, v('(', ')', end_of_file), b)
   Fail: (205) [system] arg(_1238182, v('(', ')', end_of_file), b)
^  Fail: (204) [user] is_delimiter(b)
   Call: (204) [system] ')'==b
   Fail: (204) [system] ')'==b
   Call: (204) [system] get_char((0x563acd73bee0), b)
   Exit: (204) [system] get_char((0x563acd73bee0), b)
   Call: (204) [system] b=(\)
   Fail: (204) [system] b=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1245532)
   Call: (205) [system] peek_char((0x563acd73bee0), _1246466)
   Exit: (205) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _1245532=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (204) [system] _1231596=[b]
   Exit: (204) [system] [b]=[b]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
   Call: (203) [system] _1217660=[r, b]
   Exit: (203) [system] [r, b]=[r, b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, b])
^  Call: (202) [user] classify_and_convert_charseq([$, r, b], _1182150)
^  Call: (203) [user] classify_and_convert_charseq_([$, r, b], _1261338)
   Call: (204) [system] atom_chars(_1262270, ['_', r, b])
   Exit: (204) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (203) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (203) [system] integer(_rb)
   Fail: (203) [system] integer(_rb)
   Call: (203) [system] _1182150=_rb
   Exit: (203) [system] _rb=_rb
^  Exit: (202) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (201) [user] read_symbolic(')', (0x563acd73bee0), $, _rb)
^  Exit: (200) [user] cont_sexpr(')', (0x563acd73bee0), _rb)
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _1271562)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1273420)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x563acd73bee0), _1283014)
   Exit: (202) [system] get_char((0x563acd73bee0), ' ')
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1285718)
   Exit: (203) [system] peek_char((0x563acd73bee0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1302652)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x563acd73bee0), _1308222)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1310080)
   Exit: (203) [system] peek_char((0x563acd73bee0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] get_char((0x563acd73bee0), _1326090)
   Exit: (202) [system] get_char((0x563acd73bee0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x563acd73bee0), $, _1308222)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1343732)
   Call: (204) [system] peek_char((0x563acd73bee0), _1344666)
   Exit: (204) [system] peek_char((0x563acd73bee0), k)
^  Call: (204) [user] is_delimiter(k)
   Call: (205) [system] char_type(k, space)
   Fail: (205) [system] char_type(k, space)
   Call: (205) [system] arg(_1349386, v('(', ')', end_of_file), k)
   Fail: (205) [system] arg(_1350318, v('(', ')', end_of_file), k)
^  Fail: (204) [user] is_delimiter(k)
   Call: (204) [system] ')'==k
   Fail: (204) [system] ')'==k
   Call: (204) [system] get_char((0x563acd73bee0), k)
   Exit: (204) [system] get_char((0x563acd73bee0), k)
   Call: (204) [system] k=(\)
   Fail: (204) [system] k=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1357668)
   Call: (205) [system] peek_char((0x563acd73bee0), _1358602)
   Exit: (205) [system] peek_char((0x563acd73bee0), ')')
^  Call: (205) [user] is_delimiter(')')
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] arg(_1363322, v('(', ')', end_of_file), ')')
   Exit: (206) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (205) [user] is_delimiter(')')
   Call: (205) [system] _1357668=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (204) [system] _1343732=[k]
   Exit: (204) [system] [k]=[k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
^  Call: (203) [user] classify_and_convert_charseq([$, k], _1308222)
^  Call: (204) [user] classify_and_convert_charseq_([$, k], _1372552)
   Call: (205) [system] atom_chars(_1373484, ['_', k])
   Exit: (205) [system] atom_chars('_k', ['_', k])
^  Exit: (204) [user] classify_and_convert_charseq_([$, k], _k)
   Call: (204) [system] integer(_k)
   Fail: (204) [system] integer(_k)
   Call: (204) [system] _1308222=_k
   Exit: (204) [system] _k=_k
^  Exit: (203) [user] classify_and_convert_charseq([$, k], _k)
^  Exit: (202) [user] read_symbolic(')', (0x563acd73bee0), $, _k)
^  Exit: (201) [user] cont_sexpr(')', (0x563acd73bee0), _k)
^  Call: (201) [user] read_list(')', (0x563acd73bee0), _1382776)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1384634)
   Exit: (203) [system] peek_char((0x563acd73bee0), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
   Call: (203) [system] ')'=(/)
   Fail: (203) [system] ')'=(/)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1400644)
   Exit: (202) [system] peek_char((0x563acd73bee0), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x563acd73bee0), _1404434)
   Exit: (202) [system] get_char((0x563acd73bee0), ')')
   Call: (202) [system] _1382776=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x563acd73bee0), [])
   Call: (201) [system] _1271562=[_k]
   Exit: (201) [system] [_k]=[_k]
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), [_k])
   Call: (200) [system] _1145490=[_rb, _k]
   Exit: (200) [system] [_rb, _k]=[_rb, _k]
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), [_rb, _k])
   Call: (199) [system] _1019418=[_kb, _rb, _k]
   Exit: (199) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (198) [user] read_list(')', (0x563acd73bee0), [_kb, _rb, _k])
   Call: (198) [system] _422076=[[:, _proof2, _premise2], _kb, _rb, _k]
   Exit: (198) [system] [[:, _proof2, _premise2], _kb, _rb, _k]=[[:, _proof2, _premise2], _kb, _rb, _k]
^  Exit: (197) [user] read_list(')', (0x563acd73bee0), [[:, _proof2, _premise2], _kb, _rb, _k])
   Call: (197) [system] _167680=[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]
   Exit: (197) [system] [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]=[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]
^  Exit: (196) [user] read_list(')', (0x563acd73bee0), [synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
^  Exit: (195) [user] cont_sexpr(')', (0x563acd73bee0), [synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _1423904)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1425762)
   Exit: (197) [system] peek_char((0x563acd73bee0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1441772)
   Exit: (196) [system] peek_char((0x563acd73bee0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x563acd73bee0), _1445562)
   Exit: (196) [system] get_char((0x563acd73bee0), ')')
   Call: (196) [system] _1423904=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), [])
   Call: (195) [system] _131020=[[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
   Exit: (195) [system] [[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]=[[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), [[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
   Call: (194) [system] _3734=[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
   Exit: (194) [system] [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]=[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
^  Exit: (192) [user] cont_sexpr(')', (0x563acd73bee0), [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _1456650)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1458508)
   Exit: (194) [system] peek_char((0x563acd73bee0), '\n')
   Call: (194) [system] '\n'=(;)
   Fail: (194) [system] '\n'=(;)
   Call: (194) [system] '\n'=(/)
   Fail: (194) [system] '\n'=(/)
^  Call: (194) [user] is_like_space('\n')
   Call: (195) [system] char_type('\n', 'white')
   Fail: (195) [system] char_type('\n', 'white')
   Call: (195) [system] char_type('\n', end_of_line)
   Exit: (195) [system] char_type('\n', end_of_line)
^  Exit: (194) [user] is_like_space('\n')
   Call: (194) [system] get_char((0x563acd73bee0), _1469958)
   Exit: (194) [system] get_char((0x563acd73bee0), '\n')
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1472662)
   Exit: (195) [system] peek_char((0x563acd73bee0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x563acd73bee0), _1482256)
   Exit: (195) [system] get_char((0x563acd73bee0), ' ')
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1484960)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x563acd73bee0), _1494554)
   Exit: (196) [system] get_char((0x563acd73bee0), ' ')
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1497258)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x563acd73bee0), _1506852)
   Exit: (197) [system] get_char((0x563acd73bee0), ' ')
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1509556)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x563acd73bee0), _1519150)
   Exit: (198) [system] get_char((0x563acd73bee0), ' ')
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1521854)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x563acd73bee0), _1531448)
   Exit: (199) [system] get_char((0x563acd73bee0), ' ')
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1534152)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x563acd73bee0), _1543746)
   Exit: (200) [system] get_char((0x563acd73bee0), ' ')
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1546450)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _1556044)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1558748)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x563acd73bee0), _1568342)
   Exit: (202) [system] get_char((0x563acd73bee0), ' ')
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1571046)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x563acd73bee0), _1580640)
   Exit: (203) [system] get_char((0x563acd73bee0), ' ')
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1583344)
   Exit: (204) [system] peek_char((0x563acd73bee0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x563acd73bee0), _1592938)
   Exit: (204) [system] get_char((0x563acd73bee0), ' ')
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1595642)
   Exit: (205) [system] peek_char((0x563acd73bee0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1621816)
   Exit: (193) [system] peek_char((0x563acd73bee0), '(')
   Call: (193) [system] '('=')'
   Fail: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
   Fail: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x563acd73bee0), _1627386)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1629244)
   Exit: (195) [system] peek_char((0x563acd73bee0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] get_char((0x563acd73bee0), _1645254)
   Exit: (194) [system] get_char((0x563acd73bee0), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _1627386)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1650824)
   Exit: (196) [system] peek_char((0x563acd73bee0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1666834)
   Exit: (195) [system] peek_char((0x563acd73bee0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x563acd73bee0), _1672404)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1674262)
   Exit: (197) [system] peek_char((0x563acd73bee0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] get_char((0x563acd73bee0), _1690272)
   Exit: (196) [system] get_char((0x563acd73bee0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x563acd73bee0), _1672404)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1695842)
   Exit: (198) [system] peek_char((0x563acd73bee0), :)
   Call: (198) [system] (:)=(;)
   Fail: (198) [system] (:)=(;)
   Call: (198) [system] (:)=(/)
   Fail: (198) [system] (:)=(/)
^  Call: (198) [user] is_like_space(:)
   Call: (199) [system] char_type(:, 'white')
   Fail: (199) [system] char_type(:, 'white')
   Call: (199) [system] char_type(:, end_of_line)
   Fail: (199) [system] char_type(:, end_of_line)
   Call: (199) [system] char_type(:, space)
   Fail: (199) [system] char_type(:, space)
   Call: (199) [system] char_type(:, cntrl)
   Fail: (199) [system] char_type(:, cntrl)
^  Fail: (198) [user] is_like_space(:)
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1711852)
   Exit: (197) [system] peek_char((0x563acd73bee0), :)
   Call: (197) [system] (:)=')'
   Fail: (197) [system] (:)=')'
   Call: (197) [system] (:)=end_of_file
   Fail: (197) [system] (:)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x563acd73bee0), _1717422)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1719280)
   Exit: (199) [system] peek_char((0x563acd73bee0), :)
   Call: (199) [system] (:)=(;)
   Fail: (199) [system] (:)=(;)
   Call: (199) [system] (:)=(/)
   Fail: (199) [system] (:)=(/)
^  Call: (199) [user] is_like_space(:)
   Call: (200) [system] char_type(:, 'white')
   Fail: (200) [system] char_type(:, 'white')
   Call: (200) [system] char_type(:, end_of_line)
   Fail: (200) [system] char_type(:, end_of_line)
   Call: (200) [system] char_type(:, space)
   Fail: (200) [system] char_type(:, space)
   Call: (200) [system] char_type(:, cntrl)
   Fail: (200) [system] char_type(:, cntrl)
^  Fail: (199) [user] is_like_space(:)
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] get_char((0x563acd73bee0), _1735290)
   Exit: (198) [system] get_char((0x563acd73bee0), :)
   Call: (198) [system] (:)='('
   Fail: (198) [system] (:)='('
   Call: (198) [system] (:)='['
   Fail: (198) [system] (:)='['
   Call: (198) [system] (:)='{'
   Fail: (198) [system] (:)='{'
   Call: (198) [system] (:)='"'
   Fail: (198) [system] (:)='"'
   Call: (198) [system] (:)=!
   Fail: (198) [system] (:)=!
   Call: (198) [system] (:)='\''
   Fail: (198) [system] (:)='\''
   Call: (198) [system] (:)='`'
   Fail: (198) [system] (:)='`'
   Call: (198) [system] (:)=end_of_file
   Fail: (198) [system] (:)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x563acd73bee0), :, _1717422)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _1752932)
   Call: (200) [system] peek_char((0x563acd73bee0), _1753866)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _1752932=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (199) [user] classify_and_convert_charseq([:], _1717422)
^  Call: (200) [user] classify_and_convert_charseq_([:], _1763150)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_1764102, _1764104), once(user:catch(read_from_chars([:], _1763150), _1764084, fail)), '$restore_trace'(_1764102, _1764104))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_1764102, _1764104))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1764084, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(:)
   Exit: (201) [system] atomic(:)
^  Exit: (200) [user] classify_and_convert_charseq_([:], :)
   Call: (200) [system] integer(:)
   Fail: (200) [system] integer(:)
   Call: (200) [system] _1717422=(:)
   Exit: (200) [system] (:)=(:)
^  Exit: (199) [user] classify_and_convert_charseq([:], :)
^  Exit: (198) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (197) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _1776230)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1778088)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x563acd73bee0), _1787682)
   Exit: (199) [system] get_char((0x563acd73bee0), ' ')
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1790386)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1807320)
   Exit: (198) [system] peek_char((0x563acd73bee0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x563acd73bee0), _1812890)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1814748)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] get_char((0x563acd73bee0), _1830758)
   Exit: (199) [system] get_char((0x563acd73bee0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x563acd73bee0), $, _1812890)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _1848400)
   Call: (201) [system] peek_char((0x563acd73bee0), _1849334)
   Exit: (201) [system] peek_char((0x563acd73bee0), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_1854054, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_1854986, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x563acd73bee0), p)
   Exit: (201) [system] get_char((0x563acd73bee0), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _1862336)
   Call: (202) [system] peek_char((0x563acd73bee0), _1863270)
   Exit: (202) [system] peek_char((0x563acd73bee0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_1867990, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_1868922, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x563acd73bee0), r)
   Exit: (202) [system] get_char((0x563acd73bee0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1876272)
   Call: (203) [system] peek_char((0x563acd73bee0), _1877206)
   Exit: (203) [system] peek_char((0x563acd73bee0), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Fail: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_1881926, v('(', ')', end_of_file), o)
   Fail: (204) [system] arg(_1882858, v('(', ')', end_of_file), o)
^  Fail: (203) [user] is_delimiter(o)
   Call: (203) [system] ')'==o
   Fail: (203) [system] ')'==o
   Call: (203) [system] get_char((0x563acd73bee0), o)
   Exit: (203) [system] get_char((0x563acd73bee0), o)
   Call: (203) [system] o=(\)
   Fail: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1890208)
   Call: (204) [system] peek_char((0x563acd73bee0), _1891142)
   Exit: (204) [system] peek_char((0x563acd73bee0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_1895862, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_1896794, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x563acd73bee0), o)
   Exit: (204) [system] get_char((0x563acd73bee0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1904144)
   Call: (205) [system] peek_char((0x563acd73bee0), _1905078)
   Exit: (205) [system] peek_char((0x563acd73bee0), f)
^  Call: (205) [user] is_delimiter(f)
   Call: (206) [system] char_type(f, space)
   Fail: (206) [system] char_type(f, space)
   Call: (206) [system] arg(_1909798, v('(', ')', end_of_file), f)
   Fail: (206) [system] arg(_1910730, v('(', ')', end_of_file), f)
^  Fail: (205) [user] is_delimiter(f)
   Call: (205) [system] ')'==f
   Fail: (205) [system] ')'==f
   Call: (205) [system] get_char((0x563acd73bee0), f)
   Exit: (205) [system] get_char((0x563acd73bee0), f)
   Call: (205) [system] f=(\)
   Fail: (205) [system] f=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1918080)
   Call: (206) [system] peek_char((0x563acd73bee0), _1919014)
   Exit: (206) [system] peek_char((0x563acd73bee0), '3')
^  Call: (206) [user] is_delimiter('3')
   Call: (207) [system] char_type('3', space)
   Fail: (207) [system] char_type('3', space)
   Call: (207) [system] arg(_1923734, v('(', ')', end_of_file), '3')
   Fail: (207) [system] arg(_1924666, v('(', ')', end_of_file), '3')
^  Fail: (206) [user] is_delimiter('3')
   Call: (206) [system] ')'=='3'
   Fail: (206) [system] ')'=='3'
   Call: (206) [system] get_char((0x563acd73bee0), '3')
   Exit: (206) [system] get_char((0x563acd73bee0), '3')
   Call: (206) [system] '3'=(\)
   Fail: (206) [system] '3'=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1932016)
   Call: (207) [system] peek_char((0x563acd73bee0), _1932950)
   Exit: (207) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _1932016=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (206) [system] _1918080=['3']
   Exit: (206) [system] ['3']=['3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), ['3'])
   Call: (205) [system] _1904144=[f, '3']
   Exit: (205) [system] [f, '3']=[f, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [f, '3'])
   Call: (204) [system] _1890208=[o, f, '3']
   Exit: (204) [system] [o, f, '3']=[o, f, '3']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, f, '3'])
   Call: (203) [system] _1876272=[o, o, f, '3']
   Exit: (203) [system] [o, o, f, '3']=[o, o, f, '3']
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, o, f, '3'])
   Call: (202) [system] _1862336=[r, o, o, f, '3']
   Exit: (202) [system] [r, o, o, f, '3']=[r, o, o, f, '3']
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, o, f, '3'])
   Call: (201) [system] _1848400=[p, r, o, o, f, '3']
   Exit: (201) [system] [p, r, o, o, f, '3']=[p, r, o, o, f, '3']
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, o, o, f, '3'])
^  Call: (200) [user] classify_and_convert_charseq([$, p, r, o, o, f, '3'], _1812890)
^  Call: (201) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '3'], _1958998)
   Call: (202) [system] atom_chars(_1959930, ['_', p, r, o, o, f, '3'])
   Exit: (202) [system] atom_chars('_proof3', ['_', p, r, o, o, f, '3'])
^  Exit: (201) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '3'], _proof3)
   Call: (201) [system] integer(_proof3)
   Fail: (201) [system] integer(_proof3)
   Call: (201) [system] _1812890=_proof3
   Exit: (201) [system] _proof3=_proof3
^  Exit: (200) [user] classify_and_convert_charseq([$, p, r, o, o, f, '3'], _proof3)
^  Exit: (199) [user] read_symbolic(')', (0x563acd73bee0), $, _proof3)
^  Exit: (198) [user] cont_sexpr(')', (0x563acd73bee0), _proof3)
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _1969222)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1971080)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x563acd73bee0), _1980674)
   Exit: (200) [system] get_char((0x563acd73bee0), ' ')
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1983378)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _2000312)
   Exit: (199) [system] peek_char((0x563acd73bee0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x563acd73bee0), _2005882)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _2007740)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] get_char((0x563acd73bee0), _2023750)
   Exit: (200) [system] get_char((0x563acd73bee0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x563acd73bee0), $, _2005882)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _2041392)
   Call: (202) [system] peek_char((0x563acd73bee0), _2042326)
   Exit: (202) [system] peek_char((0x563acd73bee0), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Fail: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_2047046, v('(', ')', end_of_file), p)
   Fail: (203) [system] arg(_2047978, v('(', ')', end_of_file), p)
^  Fail: (202) [user] is_delimiter(p)
   Call: (202) [system] ')'==p
   Fail: (202) [system] ')'==p
   Call: (202) [system] get_char((0x563acd73bee0), p)
   Exit: (202) [system] get_char((0x563acd73bee0), p)
   Call: (202) [system] p=(\)
   Fail: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _2055328)
   Call: (203) [system] peek_char((0x563acd73bee0), _2056262)
   Exit: (203) [system] peek_char((0x563acd73bee0), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_2060982, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_2061914, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x563acd73bee0), r)
   Exit: (203) [system] get_char((0x563acd73bee0), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _2069264)
   Call: (204) [system] peek_char((0x563acd73bee0), _2070198)
   Exit: (204) [system] peek_char((0x563acd73bee0), e)
^  Call: (204) [user] is_delimiter(e)
   Call: (205) [system] char_type(e, space)
   Fail: (205) [system] char_type(e, space)
   Call: (205) [system] arg(_2074918, v('(', ')', end_of_file), e)
   Fail: (205) [system] arg(_2075850, v('(', ')', end_of_file), e)
^  Fail: (204) [user] is_delimiter(e)
   Call: (204) [system] ')'==e
   Fail: (204) [system] ')'==e
   Call: (204) [system] get_char((0x563acd73bee0), e)
   Exit: (204) [system] get_char((0x563acd73bee0), e)
   Call: (204) [system] e=(\)
   Fail: (204) [system] e=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _2083200)
   Call: (205) [system] peek_char((0x563acd73bee0), _2084134)
   Exit: (205) [system] peek_char((0x563acd73bee0), m)
^  Call: (205) [user] is_delimiter(m)
   Call: (206) [system] char_type(m, space)
   Fail: (206) [system] char_type(m, space)
   Call: (206) [system] arg(_2088854, v('(', ')', end_of_file), m)
   Fail: (206) [system] arg(_2089786, v('(', ')', end_of_file), m)
^  Fail: (205) [user] is_delimiter(m)
   Call: (205) [system] ')'==m
   Fail: (205) [system] ')'==m
   Call: (205) [system] get_char((0x563acd73bee0), m)
   Exit: (205) [system] get_char((0x563acd73bee0), m)
   Call: (205) [system] m=(\)
   Fail: (205) [system] m=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _4246)
   Call: (206) [system] peek_char((0x563acd73bee0), _5180)
   Exit: (206) [system] peek_char((0x563acd73bee0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_9900, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_10832, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x563acd73bee0), i)
   Exit: (206) [system] get_char((0x563acd73bee0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _18182)
   Call: (207) [system] peek_char((0x563acd73bee0), _19116)
   Exit: (207) [system] peek_char((0x563acd73bee0), s)
^  Call: (207) [user] is_delimiter(s)
   Call: (208) [system] char_type(s, space)
   Fail: (208) [system] char_type(s, space)
   Call: (208) [system] arg(_23836, v('(', ')', end_of_file), s)
   Fail: (208) [system] arg(_24768, v('(', ')', end_of_file), s)
^  Fail: (207) [user] is_delimiter(s)
   Call: (207) [system] ')'==s
   Fail: (207) [system] ')'==s
   Call: (207) [system] get_char((0x563acd73bee0), s)
   Exit: (207) [system] get_char((0x563acd73bee0), s)
   Call: (207) [system] s=(\)
   Fail: (207) [system] s=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _32118)
   Call: (208) [system] peek_char((0x563acd73bee0), _33052)
   Exit: (208) [system] peek_char((0x563acd73bee0), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Fail: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_37772, v('(', ')', end_of_file), e)
   Fail: (209) [system] arg(_38704, v('(', ')', end_of_file), e)
^  Fail: (208) [user] is_delimiter(e)
   Call: (208) [system] ')'==e
   Fail: (208) [system] ')'==e
   Call: (208) [system] get_char((0x563acd73bee0), e)
   Exit: (208) [system] get_char((0x563acd73bee0), e)
   Call: (208) [system] e=(\)
   Fail: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _46054)
   Call: (209) [system] peek_char((0x563acd73bee0), _46988)
   Exit: (209) [system] peek_char((0x563acd73bee0), '3')
^  Call: (209) [user] is_delimiter('3')
   Call: (210) [system] char_type('3', space)
   Fail: (210) [system] char_type('3', space)
   Call: (210) [system] arg(_51708, v('(', ')', end_of_file), '3')
   Fail: (210) [system] arg(_52640, v('(', ')', end_of_file), '3')
^  Fail: (209) [user] is_delimiter('3')
   Call: (209) [system] ')'=='3'
   Fail: (209) [system] ')'=='3'
   Call: (209) [system] get_char((0x563acd73bee0), '3')
   Exit: (209) [system] get_char((0x563acd73bee0), '3')
   Call: (209) [system] '3'=(\)
   Fail: (209) [system] '3'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _59990)
   Call: (210) [system] peek_char((0x563acd73bee0), _60924)
   Exit: (210) [system] peek_char((0x563acd73bee0), ')')
^  Call: (210) [user] is_delimiter(')')
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] arg(_65644, v('(', ')', end_of_file), ')')
   Exit: (211) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (210) [user] is_delimiter(')')
   Call: (210) [system] _59990=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (209) [system] _46054=['3']
   Exit: (209) [system] ['3']=['3']
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), ['3'])
   Call: (208) [system] _32118=[e, '3']
   Exit: (208) [system] [e, '3']=[e, '3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, '3'])
   Call: (207) [system] _18182=[s, e, '3']
   Exit: (207) [system] [s, e, '3']=[s, e, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, e, '3'])
   Call: (206) [system] _4246=[i, s, e, '3']
   Exit: (206) [system] [i, s, e, '3']=[i, s, e, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, e, '3'])
   Call: (205) [system] _3890=[m, i, s, e, '3']
   Exit: (205) [system] [m, i, s, e, '3']=[m, i, s, e, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, i, s, e, '3'])
   Call: (204) [system] _3886=[e, m, i, s, e, '3']
   Exit: (204) [system] [e, m, i, s, e, '3']=[e, m, i, s, e, '3']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, m, i, s, e, '3'])
   Call: (203) [system] _3882=[r, e, m, i, s, e, '3']
   Exit: (203) [system] [r, e, m, i, s, e, '3']=[r, e, m, i, s, e, '3']
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, e, m, i, s, e, '3'])
   Call: (202) [system] _3878=[p, r, e, m, i, s, e, '3']
   Exit: (202) [system] [p, r, e, m, i, s, e, '3']=[p, r, e, m, i, s, e, '3']
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, e, m, i, s, e, '3'])
^  Call: (201) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '3'], _3874)
^  Call: (202) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '3'], _94432)
   Call: (203) [system] atom_chars(_95364, ['_', p, r, e, m, i, s, e, '3'])
   Exit: (203) [system] atom_chars('_premise3', ['_', p, r, e, m, i, s, e, '3'])
^  Exit: (202) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '3'], _premise3)
   Call: (202) [system] integer(_premise3)
   Fail: (202) [system] integer(_premise3)
   Call: (202) [system] _3874=_premise3
   Exit: (202) [system] _premise3=_premise3
^  Exit: (201) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '3'], _premise3)
^  Exit: (200) [user] read_symbolic(')', (0x563acd73bee0), $, _premise3)
^  Exit: (199) [user] cont_sexpr(')', (0x563acd73bee0), _premise3)
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _104656)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _106514)
   Exit: (201) [system] peek_char((0x563acd73bee0), ')')
   Call: (201) [system] ')'=(;)
   Fail: (201) [system] ')'=(;)
   Call: (201) [system] ')'=(/)
   Fail: (201) [system] ')'=(/)
^  Call: (201) [user] is_like_space(')')
   Call: (202) [system] char_type(')', 'white')
   Fail: (202) [system] char_type(')', 'white')
   Call: (202) [system] char_type(')', end_of_line)
   Fail: (202) [system] char_type(')', end_of_line)
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] char_type(')', cntrl)
   Fail: (202) [system] char_type(')', cntrl)
^  Fail: (201) [user] is_like_space(')')
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _122524)
   Exit: (200) [system] peek_char((0x563acd73bee0), ')')
   Call: (200) [system] ')'=')'
   Exit: (200) [system] ')'=')'
   Call: (200) [system] get_char((0x563acd73bee0), _126314)
   Exit: (200) [system] get_char((0x563acd73bee0), ')')
   Call: (200) [system] _104656=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), [])
   Call: (199) [system] _3870=[_premise3]
   Exit: (199) [system] [_premise3]=[_premise3]
^  Exit: (198) [user] read_list(')', (0x563acd73bee0), [_premise3])
   Call: (198) [system] _3860=[_proof3, _premise3]
   Exit: (198) [system] [_proof3, _premise3]=[_proof3, _premise3]
^  Exit: (197) [user] read_list(')', (0x563acd73bee0), [_proof3, _premise3])
   Call: (197) [system] _3852=[:, _proof3, _premise3]
   Exit: (197) [system] [:, _proof3, _premise3]=[:, _proof3, _premise3]
^  Exit: (196) [user] read_list(')', (0x563acd73bee0), [:, _proof3, _premise3])
^  Exit: (195) [user] cont_sexpr(')', (0x563acd73bee0), [:, _proof3, _premise3])
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _140196)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _142054)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x563acd73bee0), _151648)
   Exit: (197) [system] get_char((0x563acd73bee0), ' ')
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _154352)
   Exit: (198) [system] peek_char((0x563acd73bee0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _171286)
   Exit: (196) [system] peek_char((0x563acd73bee0), '(')
   Call: (196) [system] '('=')'
   Fail: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
   Fail: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x563acd73bee0), _176856)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _178714)
   Exit: (198) [system] peek_char((0x563acd73bee0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] get_char((0x563acd73bee0), _194724)
   Exit: (197) [system] get_char((0x563acd73bee0), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _176856)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _200294)
   Exit: (199) [system] peek_char((0x563acd73bee0), s)
   Call: (199) [system] s=(;)
   Fail: (199) [system] s=(;)
   Call: (199) [system] s=(/)
   Fail: (199) [system] s=(/)
^  Call: (199) [user] is_like_space(s)
   Call: (200) [system] char_type(s, 'white')
   Fail: (200) [system] char_type(s, 'white')
   Call: (200) [system] char_type(s, end_of_line)
   Fail: (200) [system] char_type(s, end_of_line)
   Call: (200) [system] char_type(s, space)
   Fail: (200) [system] char_type(s, space)
   Call: (200) [system] char_type(s, cntrl)
   Fail: (200) [system] char_type(s, cntrl)
^  Fail: (199) [user] is_like_space(s)
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _216304)
   Exit: (198) [system] peek_char((0x563acd73bee0), s)
   Call: (198) [system] s=')'
   Fail: (198) [system] s=')'
   Call: (198) [system] s=end_of_file
   Fail: (198) [system] s=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x563acd73bee0), _221874)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _223732)
   Exit: (200) [system] peek_char((0x563acd73bee0), s)
   Call: (200) [system] s=(;)
   Fail: (200) [system] s=(;)
   Call: (200) [system] s=(/)
   Fail: (200) [system] s=(/)
^  Call: (200) [user] is_like_space(s)
   Call: (201) [system] char_type(s, 'white')
   Fail: (201) [system] char_type(s, 'white')
   Call: (201) [system] char_type(s, end_of_line)
   Fail: (201) [system] char_type(s, end_of_line)
   Call: (201) [system] char_type(s, space)
   Fail: (201) [system] char_type(s, space)
   Call: (201) [system] char_type(s, cntrl)
   Fail: (201) [system] char_type(s, cntrl)
^  Fail: (200) [user] is_like_space(s)
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] get_char((0x563acd73bee0), _239742)
   Exit: (199) [system] get_char((0x563acd73bee0), s)
   Call: (199) [system] s='('
   Fail: (199) [system] s='('
   Call: (199) [system] s='['
   Fail: (199) [system] s='['
   Call: (199) [system] s='{'
   Fail: (199) [system] s='{'
   Call: (199) [system] s='"'
   Fail: (199) [system] s='"'
   Call: (199) [system] s=!
   Fail: (199) [system] s=!
   Call: (199) [system] s='\''
   Fail: (199) [system] s='\''
   Call: (199) [system] s='`'
   Fail: (199) [system] s='`'
   Call: (199) [system] s=end_of_file
   Fail: (199) [system] s=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x563acd73bee0), s, _221874)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _257384)
   Call: (201) [system] peek_char((0x563acd73bee0), _258318)
   Exit: (201) [system] peek_char((0x563acd73bee0), y)
^  Call: (201) [user] is_delimiter(y)
   Call: (202) [system] char_type(y, space)
   Fail: (202) [system] char_type(y, space)
   Call: (202) [system] arg(_263038, v('(', ')', end_of_file), y)
   Fail: (202) [system] arg(_263970, v('(', ')', end_of_file), y)
^  Fail: (201) [user] is_delimiter(y)
   Call: (201) [system] ')'==y
   Fail: (201) [system] ')'==y
   Call: (201) [system] get_char((0x563acd73bee0), y)
   Exit: (201) [system] get_char((0x563acd73bee0), y)
   Call: (201) [system] y=(\)
   Fail: (201) [system] y=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _271320)
   Call: (202) [system] peek_char((0x563acd73bee0), _272254)
   Exit: (202) [system] peek_char((0x563acd73bee0), n)
^  Call: (202) [user] is_delimiter(n)
   Call: (203) [system] char_type(n, space)
   Fail: (203) [system] char_type(n, space)
   Call: (203) [system] arg(_276974, v('(', ')', end_of_file), n)
   Fail: (203) [system] arg(_277906, v('(', ')', end_of_file), n)
^  Fail: (202) [user] is_delimiter(n)
   Call: (202) [system] ')'==n
   Fail: (202) [system] ')'==n
   Call: (202) [system] get_char((0x563acd73bee0), n)
   Exit: (202) [system] get_char((0x563acd73bee0), n)
   Call: (202) [system] n=(\)
   Fail: (202) [system] n=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _285256)
   Call: (203) [system] peek_char((0x563acd73bee0), _286190)
   Exit: (203) [system] peek_char((0x563acd73bee0), t)
^  Call: (203) [user] is_delimiter(t)
   Call: (204) [system] char_type(t, space)
   Fail: (204) [system] char_type(t, space)
   Call: (204) [system] arg(_290910, v('(', ')', end_of_file), t)
   Fail: (204) [system] arg(_291842, v('(', ')', end_of_file), t)
^  Fail: (203) [user] is_delimiter(t)
   Call: (203) [system] ')'==t
   Fail: (203) [system] ')'==t
   Call: (203) [system] get_char((0x563acd73bee0), t)
   Exit: (203) [system] get_char((0x563acd73bee0), t)
   Call: (203) [system] t=(\)
   Fail: (203) [system] t=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _299192)
   Call: (204) [system] peek_char((0x563acd73bee0), _300126)
   Exit: (204) [system] peek_char((0x563acd73bee0), h)
^  Call: (204) [user] is_delimiter(h)
   Call: (205) [system] char_type(h, space)
   Fail: (205) [system] char_type(h, space)
   Call: (205) [system] arg(_304846, v('(', ')', end_of_file), h)
   Fail: (205) [system] arg(_305778, v('(', ')', end_of_file), h)
^  Fail: (204) [user] is_delimiter(h)
   Call: (204) [system] ')'==h
   Fail: (204) [system] ')'==h
   Call: (204) [system] get_char((0x563acd73bee0), h)
   Exit: (204) [system] get_char((0x563acd73bee0), h)
   Call: (204) [system] h=(\)
   Fail: (204) [system] h=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _313128)
   Call: (205) [system] peek_char((0x563acd73bee0), _314062)
   Exit: (205) [system] peek_char((0x563acd73bee0), e)
^  Call: (205) [user] is_delimiter(e)
   Call: (206) [system] char_type(e, space)
   Fail: (206) [system] char_type(e, space)
   Call: (206) [system] arg(_318782, v('(', ')', end_of_file), e)
   Fail: (206) [system] arg(_319714, v('(', ')', end_of_file), e)
^  Fail: (205) [user] is_delimiter(e)
   Call: (205) [system] ')'==e
   Fail: (205) [system] ')'==e
   Call: (205) [system] get_char((0x563acd73bee0), e)
   Exit: (205) [system] get_char((0x563acd73bee0), e)
   Call: (205) [system] e=(\)
   Fail: (205) [system] e=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _327064)
   Call: (206) [system] peek_char((0x563acd73bee0), _327998)
   Exit: (206) [system] peek_char((0x563acd73bee0), s)
^  Call: (206) [user] is_delimiter(s)
   Call: (207) [system] char_type(s, space)
   Fail: (207) [system] char_type(s, space)
   Call: (207) [system] arg(_332718, v('(', ')', end_of_file), s)
   Fail: (207) [system] arg(_333650, v('(', ')', end_of_file), s)
^  Fail: (206) [user] is_delimiter(s)
   Call: (206) [system] ')'==s
   Fail: (206) [system] ')'==s
   Call: (206) [system] get_char((0x563acd73bee0), s)
   Exit: (206) [system] get_char((0x563acd73bee0), s)
   Call: (206) [system] s=(\)
   Fail: (206) [system] s=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _341000)
   Call: (207) [system] peek_char((0x563acd73bee0), _341934)
   Exit: (207) [system] peek_char((0x563acd73bee0), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Fail: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_346654, v('(', ')', end_of_file), i)
   Fail: (208) [system] arg(_347586, v('(', ')', end_of_file), i)
^  Fail: (207) [user] is_delimiter(i)
   Call: (207) [system] ')'==i
   Fail: (207) [system] ')'==i
   Call: (207) [system] get_char((0x563acd73bee0), i)
   Exit: (207) [system] get_char((0x563acd73bee0), i)
   Call: (207) [system] i=(\)
   Fail: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _354936)
   Call: (208) [system] peek_char((0x563acd73bee0), _355870)
   Exit: (208) [system] peek_char((0x563acd73bee0), z)
^  Call: (208) [user] is_delimiter(z)
   Call: (209) [system] char_type(z, space)
   Fail: (209) [system] char_type(z, space)
   Call: (209) [system] arg(_360590, v('(', ')', end_of_file), z)
   Fail: (209) [system] arg(_361522, v('(', ')', end_of_file), z)
^  Fail: (208) [user] is_delimiter(z)
   Call: (208) [system] ')'==z
   Fail: (208) [system] ')'==z
   Call: (208) [system] get_char((0x563acd73bee0), z)
   Exit: (208) [system] get_char((0x563acd73bee0), z)
   Call: (208) [system] z=(\)
   Fail: (208) [system] z=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _368872)
   Call: (209) [system] peek_char((0x563acd73bee0), _369806)
   Exit: (209) [system] peek_char((0x563acd73bee0), e)
^  Call: (209) [user] is_delimiter(e)
   Call: (210) [system] char_type(e, space)
   Fail: (210) [system] char_type(e, space)
   Call: (210) [system] arg(_374526, v('(', ')', end_of_file), e)
   Fail: (210) [system] arg(_375458, v('(', ')', end_of_file), e)
^  Fail: (209) [user] is_delimiter(e)
   Call: (209) [system] ')'==e
   Fail: (209) [system] ')'==e
   Call: (209) [system] get_char((0x563acd73bee0), e)
   Exit: (209) [system] get_char((0x563acd73bee0), e)
   Call: (209) [system] e=(\)
   Fail: (209) [system] e=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _382808)
   Call: (210) [system] peek_char((0x563acd73bee0), _383742)
   Exit: (210) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _382808=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (209) [system] _368872=[e]
   Exit: (209) [system] [e]=[e]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [e])
   Call: (208) [system] _354936=[z, e]
   Exit: (208) [system] [z, e]=[z, e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [z, e])
   Call: (207) [system] _341000=[i, z, e]
   Exit: (207) [system] [i, z, e]=[i, z, e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, z, e])
   Call: (206) [system] _327064=[s, i, z, e]
   Exit: (206) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, i, z, e])
   Call: (205) [system] _313128=[e, s, i, z, e]
   Exit: (205) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, s, i, z, e])
   Call: (204) [system] _299192=[h, e, s, i, z, e]
   Exit: (204) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [h, e, s, i, z, e])
   Call: (203) [system] _285256=[t, h, e, s, i, z, e]
   Exit: (203) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, h, e, s, i, z, e])
   Call: (202) [system] _271320=[n, t, h, e, s, i, z, e]
   Exit: (202) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, h, e, s, i, z, e])
   Call: (201) [system] _257384=[y, n, t, h, e, s, i, z, e]
   Exit: (201) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [y, n, t, h, e, s, i, z, e])
^  Call: (200) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _221874)
^  Call: (201) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _418172)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_419124, _419126), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _418172), _419106, fail)), '$restore_trace'(_419124, _419126))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_419124, _419126))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _419106, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(synthesize)
   Exit: (202) [system] atomic(synthesize)
^  Exit: (201) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (201) [system] integer(synthesize)
   Fail: (201) [system] integer(synthesize)
   Call: (201) [system] _221874=synthesize
   Exit: (201) [system] synthesize=synthesize
^  Exit: (200) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (199) [user] read_symbolic(')', (0x563acd73bee0), s, synthesize)
^  Exit: (198) [user] cont_sexpr(')', (0x563acd73bee0), synthesize)
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _431252)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _433110)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x563acd73bee0), _442704)
   Exit: (200) [system] get_char((0x563acd73bee0), ' ')
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _445408)
   Exit: (201) [system] peek_char((0x563acd73bee0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
   Call: (201) [system] '('=(/)
   Fail: (201) [system] '('=(/)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _462342)
   Exit: (199) [system] peek_char((0x563acd73bee0), '(')
   Call: (199) [system] '('=')'
   Fail: (199) [system] '('=')'
   Call: (199) [system] '('=end_of_file
   Fail: (199) [system] '('=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x563acd73bee0), _467912)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _469770)
   Exit: (201) [system] peek_char((0x563acd73bee0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
   Call: (201) [system] '('=(/)
   Fail: (201) [system] '('=(/)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] get_char((0x563acd73bee0), _485780)
   Exit: (200) [system] get_char((0x563acd73bee0), '(')
   Call: (200) [system] '('='('
   Exit: (200) [system] '('='('
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _467912)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _491350)
   Exit: (202) [system] peek_char((0x563acd73bee0), :)
   Call: (202) [system] (:)=(;)
   Fail: (202) [system] (:)=(;)
   Call: (202) [system] (:)=(/)
   Fail: (202) [system] (:)=(/)
^  Call: (202) [user] is_like_space(:)
   Call: (203) [system] char_type(:, 'white')
   Fail: (203) [system] char_type(:, 'white')
   Call: (203) [system] char_type(:, end_of_line)
   Fail: (203) [system] char_type(:, end_of_line)
   Call: (203) [system] char_type(:, space)
   Fail: (203) [system] char_type(:, space)
   Call: (203) [system] char_type(:, cntrl)
   Fail: (203) [system] char_type(:, cntrl)
^  Fail: (202) [user] is_like_space(:)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _507360)
   Exit: (201) [system] peek_char((0x563acd73bee0), :)
   Call: (201) [system] (:)=')'
   Fail: (201) [system] (:)=')'
   Call: (201) [system] (:)=end_of_file
   Fail: (201) [system] (:)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x563acd73bee0), _512930)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _514788)
   Exit: (203) [system] peek_char((0x563acd73bee0), :)
   Call: (203) [system] (:)=(;)
   Fail: (203) [system] (:)=(;)
   Call: (203) [system] (:)=(/)
   Fail: (203) [system] (:)=(/)
^  Call: (203) [user] is_like_space(:)
   Call: (204) [system] char_type(:, 'white')
   Fail: (204) [system] char_type(:, 'white')
   Call: (204) [system] char_type(:, end_of_line)
   Fail: (204) [system] char_type(:, end_of_line)
   Call: (204) [system] char_type(:, space)
   Fail: (204) [system] char_type(:, space)
   Call: (204) [system] char_type(:, cntrl)
   Fail: (204) [system] char_type(:, cntrl)
^  Fail: (203) [user] is_like_space(:)
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] get_char((0x563acd73bee0), _530798)
   Exit: (202) [system] get_char((0x563acd73bee0), :)
   Call: (202) [system] (:)='('
   Fail: (202) [system] (:)='('
   Call: (202) [system] (:)='['
   Fail: (202) [system] (:)='['
   Call: (202) [system] (:)='{'
   Fail: (202) [system] (:)='{'
   Call: (202) [system] (:)='"'
   Fail: (202) [system] (:)='"'
   Call: (202) [system] (:)=!
   Fail: (202) [system] (:)=!
   Call: (202) [system] (:)='\''
   Fail: (202) [system] (:)='\''
   Call: (202) [system] (:)='`'
   Fail: (202) [system] (:)='`'
   Call: (202) [system] (:)=end_of_file
   Fail: (202) [system] (:)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x563acd73bee0), :, _512930)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _548440)
   Call: (204) [system] peek_char((0x563acd73bee0), _549374)
   Exit: (204) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _548440=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (203) [user] classify_and_convert_charseq([:], _512930)
^  Call: (204) [user] classify_and_convert_charseq_([:], _558658)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_559610, _559612), once(user:catch(read_from_chars([:], _558658), _559592, fail)), '$restore_trace'(_559610, _559612))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_559610, _559612))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _559592, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(:)
   Exit: (205) [system] atomic(:)
^  Exit: (204) [user] classify_and_convert_charseq_([:], :)
   Call: (204) [system] integer(:)
   Fail: (204) [system] integer(:)
   Call: (204) [system] _512930=(:)
   Exit: (204) [system] (:)=(:)
^  Exit: (203) [user] classify_and_convert_charseq([:], :)
^  Exit: (202) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (201) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (201) [user] read_list(')', (0x563acd73bee0), _571738)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _573596)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x563acd73bee0), _583190)
   Exit: (203) [system] get_char((0x563acd73bee0), ' ')
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _585894)
   Exit: (204) [system] peek_char((0x563acd73bee0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _602828)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=')'
   Fail: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x563acd73bee0), _608398)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _610256)
   Exit: (204) [system] peek_char((0x563acd73bee0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] get_char((0x563acd73bee0), _626266)
   Exit: (203) [system] get_char((0x563acd73bee0), $)
   Call: (203) [system] ($)='('
   Fail: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Fail: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Fail: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Fail: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Fail: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Fail: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Fail: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x563acd73bee0), $, _608398)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _643908)
   Call: (205) [system] peek_char((0x563acd73bee0), _644842)
   Exit: (205) [system] peek_char((0x563acd73bee0), p)
^  Call: (205) [user] is_delimiter(p)
   Call: (206) [system] char_type(p, space)
   Fail: (206) [system] char_type(p, space)
   Call: (206) [system] arg(_649562, v('(', ')', end_of_file), p)
   Fail: (206) [system] arg(_650494, v('(', ')', end_of_file), p)
^  Fail: (205) [user] is_delimiter(p)
   Call: (205) [system] ')'==p
   Fail: (205) [system] ')'==p
   Call: (205) [system] get_char((0x563acd73bee0), p)
   Exit: (205) [system] get_char((0x563acd73bee0), p)
   Call: (205) [system] p=(\)
   Fail: (205) [system] p=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _657844)
   Call: (206) [system] peek_char((0x563acd73bee0), _658778)
   Exit: (206) [system] peek_char((0x563acd73bee0), r)
^  Call: (206) [user] is_delimiter(r)
   Call: (207) [system] char_type(r, space)
   Fail: (207) [system] char_type(r, space)
   Call: (207) [system] arg(_663498, v('(', ')', end_of_file), r)
   Fail: (207) [system] arg(_664430, v('(', ')', end_of_file), r)
^  Fail: (206) [user] is_delimiter(r)
   Call: (206) [system] ')'==r
   Fail: (206) [system] ')'==r
   Call: (206) [system] get_char((0x563acd73bee0), r)
   Exit: (206) [system] get_char((0x563acd73bee0), r)
   Call: (206) [system] r=(\)
   Fail: (206) [system] r=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _671780)
   Call: (207) [system] peek_char((0x563acd73bee0), _672714)
   Exit: (207) [system] peek_char((0x563acd73bee0), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_677434, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_678366, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x563acd73bee0), o)
   Exit: (207) [system] get_char((0x563acd73bee0), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _685716)
   Call: (208) [system] peek_char((0x563acd73bee0), _686650)
   Exit: (208) [system] peek_char((0x563acd73bee0), o)
^  Call: (208) [user] is_delimiter(o)
   Call: (209) [system] char_type(o, space)
   Fail: (209) [system] char_type(o, space)
   Call: (209) [system] arg(_691370, v('(', ')', end_of_file), o)
   Fail: (209) [system] arg(_692302, v('(', ')', end_of_file), o)
^  Fail: (208) [user] is_delimiter(o)
   Call: (208) [system] ')'==o
   Fail: (208) [system] ')'==o
   Call: (208) [system] get_char((0x563acd73bee0), o)
   Exit: (208) [system] get_char((0x563acd73bee0), o)
   Call: (208) [system] o=(\)
   Fail: (208) [system] o=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _699652)
   Call: (209) [system] peek_char((0x563acd73bee0), _700586)
   Exit: (209) [system] peek_char((0x563acd73bee0), f)
^  Call: (209) [user] is_delimiter(f)
   Call: (210) [system] char_type(f, space)
   Fail: (210) [system] char_type(f, space)
   Call: (210) [system] arg(_705306, v('(', ')', end_of_file), f)
   Fail: (210) [system] arg(_706238, v('(', ')', end_of_file), f)
^  Fail: (209) [user] is_delimiter(f)
   Call: (209) [system] ')'==f
   Fail: (209) [system] ')'==f
   Call: (209) [system] get_char((0x563acd73bee0), f)
   Exit: (209) [system] get_char((0x563acd73bee0), f)
   Call: (209) [system] f=(\)
   Fail: (209) [system] f=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _713588)
   Call: (210) [system] peek_char((0x563acd73bee0), _714522)
   Exit: (210) [system] peek_char((0x563acd73bee0), '3')
^  Call: (210) [user] is_delimiter('3')
   Call: (211) [system] char_type('3', space)
   Fail: (211) [system] char_type('3', space)
   Call: (211) [system] arg(_719242, v('(', ')', end_of_file), '3')
   Fail: (211) [system] arg(_720174, v('(', ')', end_of_file), '3')
^  Fail: (210) [user] is_delimiter('3')
   Call: (210) [system] ')'=='3'
   Fail: (210) [system] ')'=='3'
   Call: (210) [system] get_char((0x563acd73bee0), '3')
   Exit: (210) [system] get_char((0x563acd73bee0), '3')
   Call: (210) [system] '3'=(\)
   Fail: (210) [system] '3'=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _727524)
   Call: (211) [system] peek_char((0x563acd73bee0), _728458)
   Exit: (211) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _727524=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (210) [system] _713588=['3']
   Exit: (210) [system] ['3']=['3']
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), ['3'])
   Call: (209) [system] _699652=[f, '3']
   Exit: (209) [system] [f, '3']=[f, '3']
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [f, '3'])
   Call: (208) [system] _685716=[o, f, '3']
   Exit: (208) [system] [o, f, '3']=[o, f, '3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, f, '3'])
   Call: (207) [system] _671780=[o, o, f, '3']
   Exit: (207) [system] [o, o, f, '3']=[o, o, f, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, o, f, '3'])
   Call: (206) [system] _657844=[r, o, o, f, '3']
   Exit: (206) [system] [r, o, o, f, '3']=[r, o, o, f, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, o, f, '3'])
   Call: (205) [system] _643908=[p, r, o, o, f, '3']
   Exit: (205) [system] [p, r, o, o, f, '3']=[p, r, o, o, f, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, o, o, f, '3'])
^  Call: (204) [user] classify_and_convert_charseq([$, p, r, o, o, f, '3'], _608398)
^  Call: (205) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '3'], _754506)
   Call: (206) [system] atom_chars(_755438, ['_', p, r, o, o, f, '3'])
   Exit: (206) [system] atom_chars('_proof3', ['_', p, r, o, o, f, '3'])
^  Exit: (205) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '3'], _proof3)
   Call: (205) [system] integer(_proof3)
   Fail: (205) [system] integer(_proof3)
   Call: (205) [system] _608398=_proof3
   Exit: (205) [system] _proof3=_proof3
^  Exit: (204) [user] classify_and_convert_charseq([$, p, r, o, o, f, '3'], _proof3)
^  Exit: (203) [user] read_symbolic(')', (0x563acd73bee0), $, _proof3)
^  Exit: (202) [user] cont_sexpr(')', (0x563acd73bee0), _proof3)
^  Call: (202) [user] read_list(')', (0x563acd73bee0), _764730)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _766588)
   Exit: (204) [system] peek_char((0x563acd73bee0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x563acd73bee0), _776182)
   Exit: (204) [system] get_char((0x563acd73bee0), ' ')
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _778886)
   Exit: (205) [system] peek_char((0x563acd73bee0), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
   Call: (205) [system] ($)=(/)
   Fail: (205) [system] ($)=(/)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _795820)
   Exit: (203) [system] peek_char((0x563acd73bee0), $)
   Call: (203) [system] ($)=')'
   Fail: (203) [system] ($)=')'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x563acd73bee0), _801390)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _803248)
   Exit: (205) [system] peek_char((0x563acd73bee0), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
   Call: (205) [system] ($)=(/)
   Fail: (205) [system] ($)=(/)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] get_char((0x563acd73bee0), _819258)
   Exit: (204) [system] get_char((0x563acd73bee0), $)
   Call: (204) [system] ($)='('
   Fail: (204) [system] ($)='('
   Call: (204) [system] ($)='['
   Fail: (204) [system] ($)='['
   Call: (204) [system] ($)='{'
   Fail: (204) [system] ($)='{'
   Call: (204) [system] ($)='"'
   Fail: (204) [system] ($)='"'
   Call: (204) [system] ($)=!
   Fail: (204) [system] ($)=!
   Call: (204) [system] ($)='\''
   Fail: (204) [system] ($)='\''
   Call: (204) [system] ($)='`'
   Fail: (204) [system] ($)='`'
   Call: (204) [system] ($)=end_of_file
   Fail: (204) [system] ($)=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x563acd73bee0), $, _801390)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _836900)
   Call: (206) [system] peek_char((0x563acd73bee0), _837834)
   Exit: (206) [system] peek_char((0x563acd73bee0), p)
^  Call: (206) [user] is_delimiter(p)
   Call: (207) [system] char_type(p, space)
   Fail: (207) [system] char_type(p, space)
   Call: (207) [system] arg(_842554, v('(', ')', end_of_file), p)
   Fail: (207) [system] arg(_843486, v('(', ')', end_of_file), p)
^  Fail: (206) [user] is_delimiter(p)
   Call: (206) [system] ')'==p
   Fail: (206) [system] ')'==p
   Call: (206) [system] get_char((0x563acd73bee0), p)
   Exit: (206) [system] get_char((0x563acd73bee0), p)
   Call: (206) [system] p=(\)
   Fail: (206) [system] p=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _850836)
   Call: (207) [system] peek_char((0x563acd73bee0), _851770)
   Exit: (207) [system] peek_char((0x563acd73bee0), r)
^  Call: (207) [user] is_delimiter(r)
   Call: (208) [system] char_type(r, space)
   Fail: (208) [system] char_type(r, space)
   Call: (208) [system] arg(_856490, v('(', ')', end_of_file), r)
   Fail: (208) [system] arg(_857422, v('(', ')', end_of_file), r)
^  Fail: (207) [user] is_delimiter(r)
   Call: (207) [system] ')'==r
   Fail: (207) [system] ')'==r
   Call: (207) [system] get_char((0x563acd73bee0), r)
   Exit: (207) [system] get_char((0x563acd73bee0), r)
   Call: (207) [system] r=(\)
   Fail: (207) [system] r=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _864772)
   Call: (208) [system] peek_char((0x563acd73bee0), _865706)
   Exit: (208) [system] peek_char((0x563acd73bee0), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Fail: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_870426, v('(', ')', end_of_file), e)
   Fail: (209) [system] arg(_871358, v('(', ')', end_of_file), e)
^  Fail: (208) [user] is_delimiter(e)
   Call: (208) [system] ')'==e
   Fail: (208) [system] ')'==e
   Call: (208) [system] get_char((0x563acd73bee0), e)
   Exit: (208) [system] get_char((0x563acd73bee0), e)
   Call: (208) [system] e=(\)
   Fail: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _878708)
   Call: (209) [system] peek_char((0x563acd73bee0), _879642)
   Exit: (209) [system] peek_char((0x563acd73bee0), m)
^  Call: (209) [user] is_delimiter(m)
   Call: (210) [system] char_type(m, space)
   Fail: (210) [system] char_type(m, space)
   Call: (210) [system] arg(_884362, v('(', ')', end_of_file), m)
   Fail: (210) [system] arg(_885294, v('(', ')', end_of_file), m)
^  Fail: (209) [user] is_delimiter(m)
   Call: (209) [system] ')'==m
   Fail: (209) [system] ')'==m
   Call: (209) [system] get_char((0x563acd73bee0), m)
   Exit: (209) [system] get_char((0x563acd73bee0), m)
   Call: (209) [system] m=(\)
   Fail: (209) [system] m=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _892644)
   Call: (210) [system] peek_char((0x563acd73bee0), _893578)
   Exit: (210) [system] peek_char((0x563acd73bee0), i)
^  Call: (210) [user] is_delimiter(i)
   Call: (211) [system] char_type(i, space)
   Fail: (211) [system] char_type(i, space)
   Call: (211) [system] arg(_898298, v('(', ')', end_of_file), i)
   Fail: (211) [system] arg(_899230, v('(', ')', end_of_file), i)
^  Fail: (210) [user] is_delimiter(i)
   Call: (210) [system] ')'==i
   Fail: (210) [system] ')'==i
   Call: (210) [system] get_char((0x563acd73bee0), i)
   Exit: (210) [system] get_char((0x563acd73bee0), i)
   Call: (210) [system] i=(\)
   Fail: (210) [system] i=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _906580)
   Call: (211) [system] peek_char((0x563acd73bee0), _907514)
   Exit: (211) [system] peek_char((0x563acd73bee0), s)
^  Call: (211) [user] is_delimiter(s)
   Call: (212) [system] char_type(s, space)
   Fail: (212) [system] char_type(s, space)
   Call: (212) [system] arg(_912234, v('(', ')', end_of_file), s)
   Fail: (212) [system] arg(_913166, v('(', ')', end_of_file), s)
^  Fail: (211) [user] is_delimiter(s)
   Call: (211) [system] ')'==s
   Fail: (211) [system] ')'==s
   Call: (211) [system] get_char((0x563acd73bee0), s)
   Exit: (211) [system] get_char((0x563acd73bee0), s)
   Call: (211) [system] s=(\)
   Fail: (211) [system] s=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _920516)
   Call: (212) [system] peek_char((0x563acd73bee0), _921450)
   Exit: (212) [system] peek_char((0x563acd73bee0), e)
^  Call: (212) [user] is_delimiter(e)
   Call: (213) [system] char_type(e, space)
   Fail: (213) [system] char_type(e, space)
   Call: (213) [system] arg(_926170, v('(', ')', end_of_file), e)
   Fail: (213) [system] arg(_927102, v('(', ')', end_of_file), e)
^  Fail: (212) [user] is_delimiter(e)
   Call: (212) [system] ')'==e
   Fail: (212) [system] ')'==e
   Call: (212) [system] get_char((0x563acd73bee0), e)
   Exit: (212) [system] get_char((0x563acd73bee0), e)
   Call: (212) [system] e=(\)
   Fail: (212) [system] e=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _934452)
   Call: (213) [system] peek_char((0x563acd73bee0), _935386)
   Exit: (213) [system] peek_char((0x563acd73bee0), '3')
^  Call: (213) [user] is_delimiter('3')
   Call: (214) [system] char_type('3', space)
   Fail: (214) [system] char_type('3', space)
   Call: (214) [system] arg(_940106, v('(', ')', end_of_file), '3')
   Fail: (214) [system] arg(_941038, v('(', ')', end_of_file), '3')
^  Fail: (213) [user] is_delimiter('3')
   Call: (213) [system] ')'=='3'
   Fail: (213) [system] ')'=='3'
   Call: (213) [system] get_char((0x563acd73bee0), '3')
   Exit: (213) [system] get_char((0x563acd73bee0), '3')
   Call: (213) [system] '3'=(\)
   Fail: (213) [system] '3'=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _948388)
   Call: (214) [system] peek_char((0x563acd73bee0), _949322)
   Exit: (214) [system] peek_char((0x563acd73bee0), ')')
^  Call: (214) [user] is_delimiter(')')
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] arg(_954042, v('(', ')', end_of_file), ')')
   Exit: (215) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (214) [user] is_delimiter(')')
   Call: (214) [system] _948388=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (213) [system] _934452=['3']
   Exit: (213) [system] ['3']=['3']
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), ['3'])
   Call: (212) [system] _920516=[e, '3']
   Exit: (212) [system] [e, '3']=[e, '3']
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, '3'])
   Call: (211) [system] _906580=[s, e, '3']
   Exit: (211) [system] [s, e, '3']=[s, e, '3']
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, e, '3'])
   Call: (210) [system] _892644=[i, s, e, '3']
   Exit: (210) [system] [i, s, e, '3']=[i, s, e, '3']
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, e, '3'])
   Call: (209) [system] _878708=[m, i, s, e, '3']
   Exit: (209) [system] [m, i, s, e, '3']=[m, i, s, e, '3']
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, i, s, e, '3'])
   Call: (208) [system] _864772=[e, m, i, s, e, '3']
   Exit: (208) [system] [e, m, i, s, e, '3']=[e, m, i, s, e, '3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, m, i, s, e, '3'])
   Call: (207) [system] _850836=[r, e, m, i, s, e, '3']
   Exit: (207) [system] [r, e, m, i, s, e, '3']=[r, e, m, i, s, e, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, e, m, i, s, e, '3'])
   Call: (206) [system] _836900=[p, r, e, m, i, s, e, '3']
   Exit: (206) [system] [p, r, e, m, i, s, e, '3']=[p, r, e, m, i, s, e, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, e, m, i, s, e, '3'])
^  Call: (205) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '3'], _801390)
^  Call: (206) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '3'], _982830)
   Call: (207) [system] atom_chars(_983762, ['_', p, r, e, m, i, s, e, '3'])
   Exit: (207) [system] atom_chars('_premise3', ['_', p, r, e, m, i, s, e, '3'])
^  Exit: (206) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '3'], _premise3)
   Call: (206) [system] integer(_premise3)
   Fail: (206) [system] integer(_premise3)
   Call: (206) [system] _801390=_premise3
   Exit: (206) [system] _premise3=_premise3
^  Exit: (205) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '3'], _premise3)
^  Exit: (204) [user] read_symbolic(')', (0x563acd73bee0), $, _premise3)
^  Exit: (203) [user] cont_sexpr(')', (0x563acd73bee0), _premise3)
^  Call: (203) [user] read_list(')', (0x563acd73bee0), _993054)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _994912)
   Exit: (205) [system] peek_char((0x563acd73bee0), ')')
   Call: (205) [system] ')'=(;)
   Fail: (205) [system] ')'=(;)
   Call: (205) [system] ')'=(/)
   Fail: (205) [system] ')'=(/)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Fail: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Fail: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
   Fail: (206) [system] char_type(')', cntrl)
^  Fail: (205) [user] is_like_space(')')
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1010922)
   Exit: (204) [system] peek_char((0x563acd73bee0), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x563acd73bee0), _1014712)
   Exit: (204) [system] get_char((0x563acd73bee0), ')')
   Call: (204) [system] _993054=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x563acd73bee0), [])
   Call: (203) [system] _764730=[_premise3]
   Exit: (203) [system] [_premise3]=[_premise3]
^  Exit: (202) [user] read_list(')', (0x563acd73bee0), [_premise3])
   Call: (202) [system] _571738=[_proof3, _premise3]
   Exit: (202) [system] [_proof3, _premise3]=[_proof3, _premise3]
^  Exit: (201) [user] read_list(')', (0x563acd73bee0), [_proof3, _premise3])
   Call: (201) [system] _467912=[:, _proof3, _premise3]
   Exit: (201) [system] [:, _proof3, _premise3]=[:, _proof3, _premise3]
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), [:, _proof3, _premise3])
^  Exit: (199) [user] cont_sexpr(')', (0x563acd73bee0), [:, _proof3, _premise3])
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _1028594)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1030452)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _1040046)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1042750)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1059684)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x563acd73bee0), _1065254)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1067112)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] get_char((0x563acd73bee0), _1083122)
   Exit: (201) [system] get_char((0x563acd73bee0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x563acd73bee0), $, _1065254)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1100764)
   Call: (203) [system] peek_char((0x563acd73bee0), _1101698)
   Exit: (203) [system] peek_char((0x563acd73bee0), k)
^  Call: (203) [user] is_delimiter(k)
   Call: (204) [system] char_type(k, space)
   Fail: (204) [system] char_type(k, space)
   Call: (204) [system] arg(_1106418, v('(', ')', end_of_file), k)
   Fail: (204) [system] arg(_1107350, v('(', ')', end_of_file), k)
^  Fail: (203) [user] is_delimiter(k)
   Call: (203) [system] ')'==k
   Fail: (203) [system] ')'==k
   Call: (203) [system] get_char((0x563acd73bee0), k)
   Exit: (203) [system] get_char((0x563acd73bee0), k)
   Call: (203) [system] k=(\)
   Fail: (203) [system] k=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1114700)
   Call: (204) [system] peek_char((0x563acd73bee0), _1115634)
   Exit: (204) [system] peek_char((0x563acd73bee0), b)
^  Call: (204) [user] is_delimiter(b)
   Call: (205) [system] char_type(b, space)
   Fail: (205) [system] char_type(b, space)
   Call: (205) [system] arg(_1120354, v('(', ')', end_of_file), b)
   Fail: (205) [system] arg(_1121286, v('(', ')', end_of_file), b)
^  Fail: (204) [user] is_delimiter(b)
   Call: (204) [system] ')'==b
   Fail: (204) [system] ')'==b
   Call: (204) [system] get_char((0x563acd73bee0), b)
   Exit: (204) [system] get_char((0x563acd73bee0), b)
   Call: (204) [system] b=(\)
   Fail: (204) [system] b=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1128636)
   Call: (205) [system] peek_char((0x563acd73bee0), _1129570)
   Exit: (205) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _1128636=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (204) [system] _1114700=[b]
   Exit: (204) [system] [b]=[b]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
   Call: (203) [system] _1100764=[k, b]
   Exit: (203) [system] [k, b]=[k, b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [k, b])
^  Call: (202) [user] classify_and_convert_charseq([$, k, b], _1065254)
^  Call: (203) [user] classify_and_convert_charseq_([$, k, b], _1144442)
   Call: (204) [system] atom_chars(_1145374, ['_', k, b])
   Exit: (204) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (203) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (203) [system] integer(_kb)
   Fail: (203) [system] integer(_kb)
   Call: (203) [system] _1065254=_kb
   Exit: (203) [system] _kb=_kb
^  Exit: (202) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (201) [user] read_symbolic(')', (0x563acd73bee0), $, _kb)
^  Exit: (200) [user] cont_sexpr(')', (0x563acd73bee0), _kb)
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _1154666)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1156524)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x563acd73bee0), _1166118)
   Exit: (202) [system] get_char((0x563acd73bee0), ' ')
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1168822)
   Exit: (203) [system] peek_char((0x563acd73bee0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1185756)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x563acd73bee0), _1191326)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1193184)
   Exit: (203) [system] peek_char((0x563acd73bee0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] get_char((0x563acd73bee0), _1209194)
   Exit: (202) [system] get_char((0x563acd73bee0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x563acd73bee0), $, _1191326)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1226836)
   Call: (204) [system] peek_char((0x563acd73bee0), _1227770)
   Exit: (204) [system] peek_char((0x563acd73bee0), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_1232490, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_1233422, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x563acd73bee0), r)
   Exit: (204) [system] get_char((0x563acd73bee0), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1240772)
   Call: (205) [system] peek_char((0x563acd73bee0), _1241706)
   Exit: (205) [system] peek_char((0x563acd73bee0), b)
^  Call: (205) [user] is_delimiter(b)
   Call: (206) [system] char_type(b, space)
   Fail: (206) [system] char_type(b, space)
   Call: (206) [system] arg(_1246426, v('(', ')', end_of_file), b)
   Fail: (206) [system] arg(_1247358, v('(', ')', end_of_file), b)
^  Fail: (205) [user] is_delimiter(b)
   Call: (205) [system] ')'==b
   Fail: (205) [system] ')'==b
   Call: (205) [system] get_char((0x563acd73bee0), b)
   Exit: (205) [system] get_char((0x563acd73bee0), b)
   Call: (205) [system] b=(\)
   Fail: (205) [system] b=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1254708)
   Call: (206) [system] peek_char((0x563acd73bee0), _1255642)
   Exit: (206) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _1254708=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (205) [system] _1240772=[b]
   Exit: (205) [system] [b]=[b]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
   Call: (204) [system] _1226836=[r, b]
   Exit: (204) [system] [r, b]=[r, b]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, b])
^  Call: (203) [user] classify_and_convert_charseq([$, r, b], _1191326)
^  Call: (204) [user] classify_and_convert_charseq_([$, r, b], _1270514)
   Call: (205) [system] atom_chars(_1271446, ['_', r, b])
   Exit: (205) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (204) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (204) [system] integer(_rb)
   Fail: (204) [system] integer(_rb)
   Call: (204) [system] _1191326=_rb
   Exit: (204) [system] _rb=_rb
^  Exit: (203) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (202) [user] read_symbolic(')', (0x563acd73bee0), $, _rb)
^  Exit: (201) [user] cont_sexpr(')', (0x563acd73bee0), _rb)
^  Call: (201) [user] read_list(')', (0x563acd73bee0), _1280738)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1282596)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x563acd73bee0), _1292190)
   Exit: (203) [system] get_char((0x563acd73bee0), ' ')
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1294894)
   Exit: (204) [system] peek_char((0x563acd73bee0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1311828)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=')'
   Fail: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x563acd73bee0), _1317398)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1319256)
   Exit: (204) [system] peek_char((0x563acd73bee0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] get_char((0x563acd73bee0), _1335266)
   Exit: (203) [system] get_char((0x563acd73bee0), $)
   Call: (203) [system] ($)='('
   Fail: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Fail: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Fail: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Fail: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Fail: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Fail: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Fail: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x563acd73bee0), $, _1317398)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1352908)
   Call: (205) [system] peek_char((0x563acd73bee0), _1353842)
   Exit: (205) [system] peek_char((0x563acd73bee0), k)
^  Call: (205) [user] is_delimiter(k)
   Call: (206) [system] char_type(k, space)
   Fail: (206) [system] char_type(k, space)
   Call: (206) [system] arg(_1358562, v('(', ')', end_of_file), k)
   Fail: (206) [system] arg(_1359494, v('(', ')', end_of_file), k)
^  Fail: (205) [user] is_delimiter(k)
   Call: (205) [system] ')'==k
   Fail: (205) [system] ')'==k
   Call: (205) [system] get_char((0x563acd73bee0), k)
   Exit: (205) [system] get_char((0x563acd73bee0), k)
   Call: (205) [system] k=(\)
   Fail: (205) [system] k=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1366844)
   Call: (206) [system] peek_char((0x563acd73bee0), _1367778)
   Exit: (206) [system] peek_char((0x563acd73bee0), ')')
^  Call: (206) [user] is_delimiter(')')
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] arg(_1372498, v('(', ')', end_of_file), ')')
   Exit: (207) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (206) [user] is_delimiter(')')
   Call: (206) [system] _1366844=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (205) [system] _1352908=[k]
   Exit: (205) [system] [k]=[k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
^  Call: (204) [user] classify_and_convert_charseq([$, k], _1317398)
^  Call: (205) [user] classify_and_convert_charseq_([$, k], _1381728)
   Call: (206) [system] atom_chars(_1382660, ['_', k])
   Exit: (206) [system] atom_chars('_k', ['_', k])
^  Exit: (205) [user] classify_and_convert_charseq_([$, k], _k)
   Call: (205) [system] integer(_k)
   Fail: (205) [system] integer(_k)
   Call: (205) [system] _1317398=_k
   Exit: (205) [system] _k=_k
^  Exit: (204) [user] classify_and_convert_charseq([$, k], _k)
^  Exit: (203) [user] read_symbolic(')', (0x563acd73bee0), $, _k)
^  Exit: (202) [user] cont_sexpr(')', (0x563acd73bee0), _k)
^  Call: (202) [user] read_list(')', (0x563acd73bee0), _1391952)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1393810)
   Exit: (204) [system] peek_char((0x563acd73bee0), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
   Call: (204) [system] ')'=(/)
   Fail: (204) [system] ')'=(/)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1409820)
   Exit: (203) [system] peek_char((0x563acd73bee0), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x563acd73bee0), _1413610)
   Exit: (203) [system] get_char((0x563acd73bee0), ')')
   Call: (203) [system] _1391952=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x563acd73bee0), [])
   Call: (202) [system] _1280738=[_k]
   Exit: (202) [system] [_k]=[_k]
^  Exit: (201) [user] read_list(')', (0x563acd73bee0), [_k])
   Call: (201) [system] _1154666=[_rb, _k]
   Exit: (201) [system] [_rb, _k]=[_rb, _k]
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), [_rb, _k])
   Call: (200) [system] _1028594=[_kb, _rb, _k]
   Exit: (200) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), [_kb, _rb, _k])
   Call: (199) [system] _431252=[[:, _proof3, _premise3], _kb, _rb, _k]
   Exit: (199) [system] [[:, _proof3, _premise3], _kb, _rb, _k]=[[:, _proof3, _premise3], _kb, _rb, _k]
^  Exit: (198) [user] read_list(')', (0x563acd73bee0), [[:, _proof3, _premise3], _kb, _rb, _k])
   Call: (198) [system] _176856=[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]
   Exit: (198) [system] [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]=[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]
^  Exit: (197) [user] read_list(')', (0x563acd73bee0), [synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
^  Exit: (196) [user] cont_sexpr(')', (0x563acd73bee0), [synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
^  Call: (196) [user] read_list(')', (0x563acd73bee0), _1433080)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1434938)
   Exit: (198) [system] peek_char((0x563acd73bee0), ')')
   Call: (198) [system] ')'=(;)
   Fail: (198) [system] ')'=(;)
   Call: (198) [system] ')'=(/)
   Fail: (198) [system] ')'=(/)
^  Call: (198) [user] is_like_space(')')
   Call: (199) [system] char_type(')', 'white')
   Fail: (199) [system] char_type(')', 'white')
   Call: (199) [system] char_type(')', end_of_line)
   Fail: (199) [system] char_type(')', end_of_line)
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] char_type(')', cntrl)
   Fail: (199) [system] char_type(')', cntrl)
^  Fail: (198) [user] is_like_space(')')
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1450948)
   Exit: (197) [system] peek_char((0x563acd73bee0), ')')
   Call: (197) [system] ')'=')'
   Exit: (197) [system] ')'=')'
   Call: (197) [system] get_char((0x563acd73bee0), _1454738)
   Exit: (197) [system] get_char((0x563acd73bee0), ')')
   Call: (197) [system] _1433080=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_list(')', (0x563acd73bee0), [])
   Call: (196) [system] _140196=[[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]
   Exit: (196) [system] [[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]=[[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), [[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
   Call: (195) [system] _3846=[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]
   Exit: (195) [system] [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]=[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
^  Exit: (193) [user] cont_sexpr(')', (0x563acd73bee0), [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _1465826)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1467684)
   Exit: (195) [system] peek_char((0x563acd73bee0), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
   Call: (195) [system] ')'=(/)
   Fail: (195) [system] ')'=(/)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1483694)
   Exit: (194) [system] peek_char((0x563acd73bee0), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x563acd73bee0), _1487484)
   Exit: (194) [system] get_char((0x563acd73bee0), ')')
   Call: (194) [system] _1465826=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), [])
   Call: (193) [system] _3842=[[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]
   Exit: (193) [system] [[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]=[[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), [[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]])
   Call: (192) [system] _3730=[[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]
   Exit: (192) [system] [[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]=[[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]
^  Exit: (191) [user] read_list(')', (0x563acd73bee0), [[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]])
   Call: (191) [system] _3618=[[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]
   Exit: (191) [system] [[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]=[[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]
^  Exit: (190) [user] read_list(')', (0x563acd73bee0), [[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]])
   Call: (190) [system] _3534=[[[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]
   Exit: (190) [system] [[[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]=[[[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]
^  Exit: (189) [user] read_list(')', (0x563acd73bee0), [[[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]])
   Call: (189) [system] _3436=[[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]
   Exit: (189) [system] [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]=[[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]
^  Exit: (188) [user] read_list(')', (0x563acd73bee0), [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]])
^  Exit: (187) [user] cont_sexpr(')', (0x563acd73bee0), [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]])
^  Call: (187) [user] read_list(')', (0x563acd73bee0), _1506954)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1508812)
   Exit: (189) [system] peek_char((0x563acd73bee0), '\n')
   Call: (189) [system] '\n'=(;)
   Fail: (189) [system] '\n'=(;)
   Call: (189) [system] '\n'=(/)
   Fail: (189) [system] '\n'=(/)
^  Call: (189) [user] is_like_space('\n')
   Call: (190) [system] char_type('\n', 'white')
   Fail: (190) [system] char_type('\n', 'white')
   Call: (190) [system] char_type('\n', end_of_line)
   Exit: (190) [system] char_type('\n', end_of_line)
^  Exit: (189) [user] is_like_space('\n')
   Call: (189) [system] get_char((0x563acd73bee0), _1520262)
   Exit: (189) [system] get_char((0x563acd73bee0), '\n')
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1522966)
   Exit: (190) [system] peek_char((0x563acd73bee0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x563acd73bee0), _1532560)
   Exit: (190) [system] get_char((0x563acd73bee0), ' ')
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _1535264)
   Exit: (191) [system] peek_char((0x563acd73bee0), ' ')
   Call: (191) [system] ' '=(;)
   Fail: (191) [system] ' '=(;)
   Call: (191) [system] ' '=(/)
   Fail: (191) [system] ' '=(/)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x563acd73bee0), _1544858)
   Exit: (191) [system] get_char((0x563acd73bee0), ' ')
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1547562)
   Exit: (192) [system] peek_char((0x563acd73bee0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x563acd73bee0), _1557156)
   Exit: (192) [system] get_char((0x563acd73bee0), ' ')
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1559860)
   Exit: (193) [system] peek_char((0x563acd73bee0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x563acd73bee0), _1569454)
   Exit: (193) [system] get_char((0x563acd73bee0), ' ')
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1572158)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x563acd73bee0), _1581752)
   Exit: (194) [system] get_char((0x563acd73bee0), ' ')
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1584456)
   Exit: (195) [system] peek_char((0x563acd73bee0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _1606010)
   Exit: (188) [system] peek_char((0x563acd73bee0), $)
   Call: (188) [system] ($)=')'
   Fail: (188) [system] ($)=')'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x563acd73bee0), _1611580)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1613438)
   Exit: (190) [system] peek_char((0x563acd73bee0), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
   Call: (190) [system] ($)=(/)
   Fail: (190) [system] ($)=(/)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] get_char((0x563acd73bee0), _1629448)
   Exit: (189) [system] get_char((0x563acd73bee0), $)
   Call: (189) [system] ($)='('
   Fail: (189) [system] ($)='('
   Call: (189) [system] ($)='['
   Fail: (189) [system] ($)='['
   Call: (189) [system] ($)='{'
   Fail: (189) [system] ($)='{'
   Call: (189) [system] ($)='"'
   Fail: (189) [system] ($)='"'
   Call: (189) [system] ($)=!
   Fail: (189) [system] ($)=!
   Call: (189) [system] ($)='\''
   Fail: (189) [system] ($)='\''
   Call: (189) [system] ($)='`'
   Fail: (189) [system] ($)='`'
   Call: (189) [system] ($)=end_of_file
   Fail: (189) [system] ($)=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x563acd73bee0), $, _1611580)
^  Call: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), _1647090)
   Call: (191) [system] peek_char((0x563acd73bee0), _1648024)
   Exit: (191) [system] peek_char((0x563acd73bee0), q)
^  Call: (191) [user] is_delimiter(q)
   Call: (192) [system] char_type(q, space)
   Fail: (192) [system] char_type(q, space)
   Call: (192) [system] arg(_1652744, v('(', ')', end_of_file), q)
   Fail: (192) [system] arg(_1653676, v('(', ')', end_of_file), q)
^  Fail: (191) [user] is_delimiter(q)
   Call: (191) [system] ')'==q
   Fail: (191) [system] ')'==q
   Call: (191) [system] get_char((0x563acd73bee0), q)
   Exit: (191) [system] get_char((0x563acd73bee0), q)
   Call: (191) [system] q=(\)
   Fail: (191) [system] q=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), _1661026)
   Call: (192) [system] peek_char((0x563acd73bee0), _1661960)
   Exit: (192) [system] peek_char((0x563acd73bee0), u)
^  Call: (192) [user] is_delimiter(u)
   Call: (193) [system] char_type(u, space)
   Fail: (193) [system] char_type(u, space)
   Call: (193) [system] arg(_1666680, v('(', ')', end_of_file), u)
   Fail: (193) [system] arg(_1667612, v('(', ')', end_of_file), u)
^  Fail: (192) [user] is_delimiter(u)
   Call: (192) [system] ')'==u
   Fail: (192) [system] ')'==u
   Call: (192) [system] get_char((0x563acd73bee0), u)
   Exit: (192) [system] get_char((0x563acd73bee0), u)
   Call: (192) [system] u=(\)
   Fail: (192) [system] u=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), _1674962)
   Call: (193) [system] peek_char((0x563acd73bee0), _1675896)
   Exit: (193) [system] peek_char((0x563acd73bee0), e)
^  Call: (193) [user] is_delimiter(e)
   Call: (194) [system] char_type(e, space)
   Fail: (194) [system] char_type(e, space)
   Call: (194) [system] arg(_1680616, v('(', ')', end_of_file), e)
   Fail: (194) [system] arg(_1681548, v('(', ')', end_of_file), e)
^  Fail: (193) [user] is_delimiter(e)
   Call: (193) [system] ')'==e
   Fail: (193) [system] ')'==e
   Call: (193) [system] get_char((0x563acd73bee0), e)
   Exit: (193) [system] get_char((0x563acd73bee0), e)
   Call: (193) [system] e=(\)
   Fail: (193) [system] e=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _1688898)
   Call: (194) [system] peek_char((0x563acd73bee0), _1689832)
   Exit: (194) [system] peek_char((0x563acd73bee0), r)
^  Call: (194) [user] is_delimiter(r)
   Call: (195) [system] char_type(r, space)
   Fail: (195) [system] char_type(r, space)
   Call: (195) [system] arg(_1694552, v('(', ')', end_of_file), r)
   Fail: (195) [system] arg(_1695484, v('(', ')', end_of_file), r)
^  Fail: (194) [user] is_delimiter(r)
   Call: (194) [system] ')'==r
   Fail: (194) [system] ')'==r
   Call: (194) [system] get_char((0x563acd73bee0), r)
   Exit: (194) [system] get_char((0x563acd73bee0), r)
   Call: (194) [system] r=(\)
   Fail: (194) [system] r=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _1702834)
   Call: (195) [system] peek_char((0x563acd73bee0), _1703768)
   Exit: (195) [system] peek_char((0x563acd73bee0), y)
^  Call: (195) [user] is_delimiter(y)
   Call: (196) [system] char_type(y, space)
   Fail: (196) [system] char_type(y, space)
   Call: (196) [system] arg(_1708488, v('(', ')', end_of_file), y)
   Fail: (196) [system] arg(_1709420, v('(', ')', end_of_file), y)
^  Fail: (195) [user] is_delimiter(y)
   Call: (195) [system] ')'==y
   Fail: (195) [system] ')'==y
   Call: (195) [system] get_char((0x563acd73bee0), y)
   Exit: (195) [system] get_char((0x563acd73bee0), y)
   Call: (195) [system] y=(\)
   Fail: (195) [system] y=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _1716770)
   Call: (196) [system] peek_char((0x563acd73bee0), _1717704)
   Exit: (196) [system] peek_char((0x563acd73bee0), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_1722424, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _1716770=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (195) [system] _1702834=[y]
   Exit: (195) [system] [y]=[y]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [y])
   Call: (194) [system] _1688898=[r, y]
   Exit: (194) [system] [r, y]=[r, y]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, y])
   Call: (193) [system] _1674962=[e, r, y]
   Exit: (193) [system] [e, r, y]=[e, r, y]
^  Exit: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, r, y])
   Call: (192) [system] _1661026=[u, e, r, y]
   Exit: (192) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, e, r, y])
   Call: (191) [system] _1647090=[q, u, e, r, y]
   Exit: (191) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), [q, u, e, r, y])
^  Call: (190) [user] classify_and_convert_charseq([$, q, u, e, r, y], _1611580)
^  Call: (191) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _1742830)
   Call: (192) [system] atom_chars(_1743762, ['_', q, u, e, r, y])
   Exit: (192) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (191) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _query)
   Call: (191) [system] integer(_query)
   Fail: (191) [system] integer(_query)
   Call: (191) [system] _1611580=_query
   Exit: (191) [system] _query=_query
^  Exit: (190) [user] classify_and_convert_charseq([$, q, u, e, r, y], _query)
^  Exit: (189) [user] read_symbolic(')', (0x563acd73bee0), $, _query)
^  Exit: (188) [user] cont_sexpr(')', (0x563acd73bee0), _query)
^  Call: (188) [user] read_list(')', (0x563acd73bee0), _1753054)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1754912)
   Exit: (190) [system] peek_char((0x563acd73bee0), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
   Call: (190) [system] ')'=(/)
   Fail: (190) [system] ')'=(/)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1770922)
   Exit: (189) [system] peek_char((0x563acd73bee0), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x563acd73bee0), _1774712)
   Exit: (189) [system] get_char((0x563acd73bee0), ')')
   Call: (189) [system] _1753054=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x563acd73bee0), [])
   Call: (188) [system] _1506954=[_query]
   Exit: (188) [system] [_query]=[_query]
^  Exit: (187) [user] read_list(')', (0x563acd73bee0), [_query])
   Call: (187) [system] _3432=[[[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]
   Exit: (187) [system] [[[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]=[[[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]
^  Exit: (186) [user] read_list(')', (0x563acd73bee0), [[[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query])
   Call: (186) [system] _3424=['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]
   Exit: (186) [system] ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]=['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]
^  Exit: (185) [user] read_list(')', (0x563acd73bee0), ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query])
^  Exit: (184) [user] cont_sexpr(')', (0x563acd73bee0), ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query])
^  Call: (184) [user] read_list(')', (0x563acd73bee0), _1788594)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1790452)
   Exit: (186) [system] peek_char((0x563acd73bee0), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
   Call: (186) [system] ')'=(/)
   Fail: (186) [system] ')'=(/)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _1806462)
   Exit: (185) [system] peek_char((0x563acd73bee0), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x563acd73bee0), _1810252)
   Exit: (185) [system] get_char((0x563acd73bee0), ')')
   Call: (185) [system] _1788594=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x563acd73bee0), [])
   Call: (184) [system] _3420=[['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]
   Exit: (184) [system] [['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]=[['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]
^  Exit: (183) [user] read_list(')', (0x563acd73bee0), [['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
   Call: (183) [system] _3356=[[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]
   Exit: (183) [system] [[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]=[[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]
^  Exit: (182) [user] read_list(')', (0x563acd73bee0), [[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
   Call: (182) [system] _3316=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]
   Exit: (182) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]
^  Exit: (181) [user] read_list(')', (0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (180) [user] cont_sexpr(')', (0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (179) [user] read_sexpr((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Call: (179) [user] assertz(metta_file_comment(66, 0, 2300, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], '$stream_position'(2300, 66, 0, 2300)))
^  Exit: (179) [user] assertz(metta_file_comment(66, 0, 2300, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], '$stream_position'(2300, 66, 0, 2300)))
^  Exit: (177) [system] once(user:(read_position((0x563acd73bee0), 66, 0, 2300, '$stream_position'(2300, 66, 0, 2300)), read_sexpr((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]), assertz(metta_file_comment(66, 0, 2300, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], '$stream_position'(2300, 66, 0, 2300)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_1828770, _1828772, _1828774, _1828776, _1828778))
^  Exit: (177) [user] retract(metta_file_comment(41, 0, 1309, '$COMMENT'(";;\t\t", 41, 0), '$stream_position'(1309, 41, 0, 1309)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;\t\t", 41, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";;\t\t", 41, 0), _1831602))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";;\t\t", 41, 0), _1831602)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";;\t\t", 41, 0), _1831602)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";;\t\t", 41, 0), _1834418))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";;\t\t", 41, 0), _1834418))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";;\t\t", 41, 0), _1834418)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";;\t\t", 41, 0), _1837218))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";;\t\t", 41, 0), _1837218)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";;\t\t", 41, 0), _1837218)
   Call: (187) [system] var('$COMMENT'(";;\t\t", 41, 0))
   Call: (187) [system] atom('$COMMENT'(";;\t\t", 41, 0))
   Call: (187) [system] '$COMMENT'(";;\t\t", 41, 0)==true
   Call: (187) [system] '$COMMENT'(";;\t\t", 41, 0)==false
   Call: (187) [system] '$COMMENT'(";;\t\t", 41, 0)==[_1843738, _1843744]
   Call: (187) [system] is_list('$COMMENT'(";;\t\t", 41, 0))
   Call: (187) [system] string('$COMMENT'(";;\t\t", 41, 0))
   Call: (187) [system] compound('$COMMENT'(";;\t\t", 41, 0))
   Exit: (187) [system] compound('$COMMENT'(";;\t\t", 41, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";;\t\t", 41, 0), _1848372, _1848374)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;\t\t", 41, 0), '$COMMENT', [";;\t\t", 41, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";;\t\t", 41, 0], _1852114)
   Call: (188) [apply] apply:maplist_([";;\t\t", 41, 0], _1852114, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";;\t\t", _1853994)
   Call: (190) [system] var(";;\t\t")
   Call: (190) [system] atom(";;\t\t")
   Call: (190) [system] ";;\t\t"==true
   Call: (190) [system] ";;\t\t"==false
   Call: (190) [system] ";;\t\t"==[_1858636, _1858642]
   Call: (190) [system] is_list(";;\t\t")
   Call: (190) [system] string(";;\t\t")
   Exit: (190) [system] string(";;\t\t")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";;\t\t")
^  Call: (190) [user] symbol(";;\t\t")
   Call: (191) [system] atom(";;\t\t")
   Fail: (191) [system] atom(";;\t\t")
^  Fail: (190) [user] symbol(";;\t\t")
   Call: (190) [system] ";;\t\t"=_1853994
   Exit: (190) [system] ";;\t\t"=";;\t\t"
^  Exit: (189) [user] mfix_vars1(";;\t\t", ";;\t\t")
   Call: (189) [apply] apply:maplist_([41, 0], _1853996, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(41, _1872516)
   Call: (191) [system] var(41)
   Call: (191) [system] atom(41)
   Call: (191) [system] 41==true
   Call: (191) [system] 41==false
   Call: (191) [system] 41==[_1877158, _1877164]
   Call: (191) [system] is_list(41)
   Call: (191) [system] string(41)
   Call: (191) [system] compound(41)
^  Call: (191) [user] symbol(41)
   Call: (192) [system] atom(41)
   Fail: (192) [system] atom(41)
^  Fail: (191) [user] symbol(41)
   Call: (191) [system] 41=_1872516
   Exit: (191) [system] 41=41
^  Exit: (190) [user] mfix_vars1(41, 41)
   Call: (190) [apply] apply:maplist_([0], _1872518, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _1888282)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_1892924, _1892930]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_1888282
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _1888284, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([41, 0], [41, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";;\t\t", 41, 0], [";;\t\t", 41, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";;\t\t", 41, 0], [";;\t\t", 41, 0])
   Call: (187) [system] compound_name_arguments(_1837218, '$COMMENT', [";;\t\t", 41, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;\t\t", 41, 0), '$COMMENT', [";;\t\t", 41, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0)))
   Call: (184) [system] '$COMMENT'(";;\t\t", 41, 0)\=@='$COMMENT'(";;\t\t", 41, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";;\t\t", 41, 0), _1917100))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";;\t\t", 41, 0), _1917100))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";;\t\t", 41, 0), _1917100)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";;\t\t", 41, 0), _1919900))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";;\t\t", 41, 0), _1919900)
^  Call: (186) [user] cons_to_c('$COMMENT'(";;\t\t", 41, 0), _1919900)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0)))
   Call: (184) [system] '$COMMENT'(";;\t\t", 41, 0)\=@='$COMMENT'(";;\t\t", 41, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";;\t\t", 41, 0), _1831602))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";;\t\t", 41, 0), _1831602))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";;\t\t", 41, 0), _1831602)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";;\t\t", 41, 0), _1933858))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";;\t\t", 41, 0), _1933858)
^  Call: (186) [user] cons_to_l('$COMMENT'(";;\t\t", 41, 0), _1933858)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0)))
   Call: (184) [system] '$COMMENT'(";;\t\t", 41, 0)\=@='$COMMENT'(";;\t\t", 41, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0)))
   Call: (178) [system] '$COMMENT'(";;\t\t", 41, 0)\=@='$COMMENT'(";;\t\t", 41, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";;\t\t", 41, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";;\t\t", 41, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";;\t\t", 41, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";;\t\t", 41, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";;\t\t", 41, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";;\t\t", 41, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";;\t\t", 41, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";;\t\t", 41, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";;\t\t", 41, 0))
^  Exit: (171) [user] read_sform((0x563acd73bee0), '$COMMENT'(";;\t\t", 41, 0))
^  Exit: (170) [system] once(user:read_sform((0x563acd73bee0), '$COMMENT'(";;\t\t", 41, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x563acd73bee0), '$COMMENT'(";;\t\t", 41, 0)))
   Call: (169) [system] '$COMMENT'(";;\t\t", 41, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";;\t\t", 41, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1727204587.625688), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204587.625688), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;\t\t", 41, 0)), 65]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";;\t\t", 41, 0), ynthesize_long_1727204587_629323, 65)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1727204587.625688), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204587.625688), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;\t\t", 41, 0)), 65]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1727204591.9963977)
   Call: (173) [system] arg(1, t(1727204587.625688), _3148)
   Exit: (173) [system] arg(1, t(1727204587.625688), 1727204587.625688)
   Call: (173) [system] _3158 is 1727204591.9963977-1727204587.625688
   Exit: (173) [system] 4.370709657669067 is 1727204591.9963977-1727204587.625688
   Call: (173) [system] 4.370709657669067>4
   Exit: (173) [system] 4.370709657669067>4
   Call: (173) [system] nb_setarg(1, t(1727204587.625688), 1727204591.9963977)
   Exit: (173) [system] nb_setarg(1, t(1727204591.9963977), 1727204591.9963977)
^  Call: (173) [user] move_cursor_to_first_column
   Call: (174) [system] write(user_error, '')

   Exit: (174) [system] write(user_error, '')
^  Exit: (173) [user] move_cursor_to_first_column
^  Call: (173) [user] format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;\t\t", 41, 0)), 65])
; 
^  Call: (175) [user] write_src_woi('$COMMENT'(";;\t\t", 41, 0))
^  Call: (177) [system] setup_call_cleanup('$notrace'(_1979862, _1979864), once(user:with_indents(false, write_src('$COMMENT'(";;\t\t", 41, 0)))), '$restore_trace'(_1979862, _1979864))
^  Call: (178) [system] sig_atomic(system:'$notrace'(_1979862, _1979864))
(%COMMENT  ";;\t\t" 41 0)
^  Exit: (177) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:with_indents(false, write_src('$COMMENT'(";;\t\t", 41, 0)))), system:'$restore_trace'(3, -1))
^  Exit: (175) [user] write_src_woi('$COMMENT'(";;\t\t", 41, 0))
 ; line: 65 
^  Exit: (173) [user] format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;\t\t", 41, 0)), 65])
   Call: (173) [system] write(user_error, '')

   Exit: (173) [system] write(user_error, '')
^  Call: (173) [user] move_cursor_to_first_column
   Call: (174) [system] write(user_error, '')

   Exit: (174) [system] write(user_error, '')
^  Exit: (173) [user] move_cursor_to_first_column
^  Exit: (171) [user] if_t((get_time(1727204591.9963977), arg(1, t(1727204591.9963977), 1727204587.625688), 4.370709657669067 is 1727204591.9963977-1727204587.625688, 4.370709657669067>4), (nb_setarg(1, t(1727204591.9963977), 1727204591.9963977), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;\t\t", 41, 0)), 65]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 7)
   Call: (175) [system] atom(7+1)
   Call: (175) [system] set_flag(translated_forms, 8)
   Exit: (175) [system] set_flag(translated_forms, 8)
   Exit: (174) [$syspreds] update_flag(translated_forms, 7, 7+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 7, 7+1))
   Exit: (171) [$syspreds] flag(translated_forms, 7, 7+1)
^  Call: (171) [user] write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";;\t\t", 41, 0), ynthesize_long_1727204587_629323, 65)
^  Call: (172) [user] format((0x563acd7397e0), "/* ~w */~n", [";;\t\t"])
^  Exit: (172) [user] format((0x563acd7397e0), "/* ~w */~n", [";;\t\t"])
^  Exit: (171) [user] write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";;\t\t", 41, 0), ynthesize_long_1727204587_629323, 65)
^  Exit: (169) [system] once(user:(if_t((get_time(1727204591.9963977), arg(1, t(1727204591.9963977), 1727204587.625688), 4.370709657669067 is 1727204591.9963977-1727204587.625688, 4.370709657669067>4), (nb_setarg(1, t(1727204591.9963977), 1727204591.9963977), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;\t\t", 41, 0)), 65]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 7, 7+1), write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";;\t\t", 41, 0), ynthesize_long_1727204587_629323, 65)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x563acd73bee0))
   Fail: (169) [system] at_end_of_stream((0x563acd73bee0))
^  Call: (169) [user] must_det_ll(line_count((0x563acd73bee0), _3074))
^  Call: (170) [user] once(user:line_count((0x563acd73bee0), _3074))
   Call: (171) [system] line_count((0x563acd73bee0), _3074)
   Exit: (171) [system] line_count((0x563acd73bee0), 73)
^  Exit: (170) [system] once(user:line_count((0x563acd73bee0), 73))
^  Exit: (169) [user] must_det_ll(user:line_count((0x563acd73bee0), 73))
^  Call: (169) [user] must_det_ll(read_sform((0x563acd73bee0), _3084))
^  Call: (170) [user] once(user:read_sform((0x563acd73bee0), _3084))
^  Call: (171) [user] read_sform((0x563acd73bee0), _3084)
   Call: (172) [system] string((0x563acd73bee0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
   Call: (173) [system] string((0x563acd73bee0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), _3084)
   Call: (174) [system] at_end_of_stream((0x563acd73bee0))
   Call: (174) [system] peek_char((0x563acd73bee0), _2027420)
   Exit: (174) [system] peek_char((0x563acd73bee0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x563acd73bee0), '\n')
   Exit: (174) [system] get_char((0x563acd73bee0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x563acd73bee0), _3084)
   Call: (175) [system] at_end_of_stream((0x563acd73bee0))
   Call: (175) [system] peek_char((0x563acd73bee0), _2034842)
   Exit: (175) [system] peek_char((0x563acd73bee0), ;)
   Call: (175) [system] char_type(;, space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
   Call: (176) [system] string((0x563acd73bee0))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), _3084)
   Call: (177) [system] at_end_of_stream((0x563acd73bee0))
   Call: (177) [system] peek_char((0x563acd73bee0), _2043180)
   Exit: (177) [system] peek_char((0x563acd73bee0), ;)
   Call: (177) [system] char_type(;, space)
   Call: (177) [system] _2045966=(0x563acd73bee0)
   Exit: (177) [system] (0x563acd73bee0)=(0x563acd73bee0)
^  Call: (177) [user] once((read_position((0x563acd73bee0), _2047834, _2047836, _2047838, _2047840), read_sexpr((0x563acd73bee0), _2047852), assertz(metta_file_comment(_2047834, _2047836, _2047838, _2047852, _2047840))))
^  Call: (179) [user] read_position((0x563acd73bee0), _2047834, _2047836, _2047838, _2047840)
   Call: (180) [system] stream_property((0x563acd73bee0), position(_2047840))
   Call: (181) [system] nonvar((0x563acd73bee0))
   Exit: (181) [system] nonvar((0x563acd73bee0))
   Call: (181) [system] nonvar(position(_2047840))
   Exit: (181) [system] nonvar(position(_2047840))
   Exit: (180) [system] stream_property((0x563acd73bee0), position('$stream_position'(2755, 74, 0, 2755)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(2755, 74, 0, 2755), _2047834)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _2058092)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(2755, 74, 0, 2755), _2047834)
   Exit: (181) [system] arg(2, '$stream_position'(2755, 74, 0, 2755), 74)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(2755, 74, 0, 2755), 74)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(2755, 74, 0, 2755), _2047836)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _2065526)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(2755, 74, 0, 2755), _2047836)
   Exit: (181) [system] arg(3, '$stream_position'(2755, 74, 0, 2755), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(2755, 74, 0, 2755), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(2755, 74, 0, 2755), _2047838)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _2072960)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(2755, 74, 0, 2755), _2047838)
   Exit: (181) [system] arg(1, '$stream_position'(2755, 74, 0, 2755), 2755)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(2755, 74, 0, 2755), 2755)
^  Exit: (179) [user] read_position((0x563acd73bee0), 74, 0, 2755, '$stream_position'(2755, 74, 0, 2755))
^  Call: (179) [user] read_sexpr((0x563acd73bee0), _2047852)
   Call: (180) [system] string((0x563acd73bee0))
   Fail: (180) [system] string((0x563acd73bee0))
^  Call: (180) [user] cont_sexpr(')', (0x563acd73bee0), _2047852)
^  Call: (181) [user] skip_spaces((0x563acd73bee0))
   Call: (182) [system] peek_char((0x563acd73bee0), _2083186)
   Exit: (182) [system] peek_char((0x563acd73bee0), ;)
   Call: (182) [system] (;)=(;)
   Exit: (182) [system] (;)=(;)
^  Call: (182) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (183) [user] read_position((0x563acd73bee0), _2087824, _2087826, _2087828, _2087830)
   Call: (184) [system] stream_property((0x563acd73bee0), position(_2087830))
   Call: (185) [system] nonvar((0x563acd73bee0))
   Exit: (185) [system] nonvar((0x563acd73bee0))
   Call: (185) [system] nonvar(position(_2087830))
   Exit: (185) [system] nonvar(position(_2087830))
   Exit: (184) [system] stream_property((0x563acd73bee0), position('$stream_position'(2755, 74, 0, 2755)))
   Call: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(2755, 74, 0, 2755), _2087824)
   Call: (185) [system] nonvar(line_count)
   Exit: (185) [system] nonvar(line_count)
   Call: (185) [$syspreds] stream_position_field(line_count, _3726)
   Exit: (185) [$syspreds] stream_position_field(line_count, 2)
   Call: (185) [system] arg(2, '$stream_position'(2755, 74, 0, 2755), _3358)
   Exit: (185) [system] arg(2, '$stream_position'(2755, 74, 0, 2755), 74)
   Exit: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(2755, 74, 0, 2755), 74)
   Call: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(2755, 74, 0, 2755), _3360)
   Call: (185) [system] nonvar(line_position)
   Exit: (185) [system] nonvar(line_position)
   Call: (185) [$syspreds] stream_position_field(line_position, _11160)
   Exit: (185) [$syspreds] stream_position_field(line_position, 3)
   Call: (185) [system] arg(3, '$stream_position'(2755, 74, 0, 2755), _3360)
   Exit: (185) [system] arg(3, '$stream_position'(2755, 74, 0, 2755), 0)
   Exit: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(2755, 74, 0, 2755), 0)
   Call: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(2755, 74, 0, 2755), _3362)
   Call: (185) [system] nonvar(char_count)
   Exit: (185) [system] nonvar(char_count)
   Call: (185) [$syspreds] stream_position_field(char_count, _18594)
   Exit: (185) [$syspreds] stream_position_field(char_count, 1)
   Call: (185) [system] arg(1, '$stream_position'(2755, 74, 0, 2755), _3362)
   Exit: (185) [system] arg(1, '$stream_position'(2755, 74, 0, 2755), 2755)
   Exit: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(2755, 74, 0, 2755), 2755)
^  Exit: (183) [user] read_position((0x563acd73bee0), 74, 0, 2755, '$stream_position'(2755, 74, 0, 2755))
   Call: (183) [read_util] read_util:read_line_to_string((0x563acd73bee0), _24188)
   Call: (184) [system] read_string((0x563acd73bee0), '\n', '\r', _25118, _25120)
   Exit: (184) [system] read_string((0x563acd73bee0), '\n', '\r', 10, ";; Quaternary rule")
   Call: (184) [system] 10\== -1
   Exit: (184) [system] 10\== -1
   Call: (184) [system] _24188=";; Quaternary rule"
   Exit: (184) [system] ";; Quaternary rule"=";; Quaternary rule"
   Exit: (183) [read_util] read_util:read_line_to_string((0x563acd73bee0), ";; Quaternary rule")
^  Call: (183) [user] assertz(metta_file_comment(74, 0, 2755, '$COMMENT'(";; Quaternary rule", 74, 0), '$stream_position'(2755, 74, 0, 2755)))
^  Exit: (183) [user] assertz(metta_file_comment(74, 0, 2755, '$COMMENT'(";; Quaternary rule", 74, 0), '$stream_position'(2755, 74, 0, 2755)))
^  Exit: (182) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (182) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] peek_char((0x563acd73bee0), _35380)
   Exit: (183) [system] peek_char((0x563acd73bee0), '(')
   Call: (183) [system] '('=(;)
   Fail: (183) [system] '('=(;)
   Call: (183) [system] '('=(/)
   Fail: (183) [system] '('=(/)
^  Call: (183) [user] is_like_space('(')
   Call: (184) [system] char_type('(', 'white')
   Fail: (184) [system] char_type('(', 'white')
   Call: (184) [system] char_type('(', end_of_line)
   Fail: (184) [system] char_type('(', end_of_line)
   Call: (184) [system] char_type('(', space)
   Fail: (184) [system] char_type('(', space)
   Call: (184) [system] char_type('(', cntrl)
   Fail: (184) [system] char_type('(', cntrl)
^  Fail: (183) [user] is_like_space('(')
^  Exit: (182) [user] skip_spaces((0x563acd73bee0))
^  Exit: (181) [user] skip_spaces((0x563acd73bee0))
   Call: (181) [system] get_char((0x563acd73bee0), _52314)
   Exit: (181) [system] get_char((0x563acd73bee0), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x563acd73bee0), _3322)
^  Call: (182) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] peek_char((0x563acd73bee0), _57884)
   Exit: (183) [system] peek_char((0x563acd73bee0), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
   Call: (183) [system] (=)=(/)
   Fail: (183) [system] (=)=(/)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x563acd73bee0))
   Call: (182) [system] peek_char((0x563acd73bee0), _73894)
   Exit: (182) [system] peek_char((0x563acd73bee0), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x563acd73bee0), _79464)
^  Call: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _81322)
   Exit: (184) [system] peek_char((0x563acd73bee0), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
   Call: (184) [system] (=)=(/)
   Fail: (184) [system] (=)=(/)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] get_char((0x563acd73bee0), _97332)
   Exit: (183) [system] get_char((0x563acd73bee0), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x563acd73bee0), =, _79464)
^  Call: (184) [user] read_symbolic_cont(')', (0x563acd73bee0), _114974)
   Call: (185) [system] peek_char((0x563acd73bee0), _115908)
   Exit: (185) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _114974=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (184) [user] classify_and_convert_charseq([=], _79464)
^  Call: (185) [user] classify_and_convert_charseq_([=], _125192)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_126144, _126146), once(user:catch(read_from_chars([=], _125192), _126126, fail)), '$restore_trace'(_126144, _126146))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_126144, _126146))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _126126, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(=)
   Exit: (186) [system] atomic(=)
^  Exit: (185) [user] classify_and_convert_charseq_([=], =)
   Call: (185) [system] integer(=)
   Fail: (185) [system] integer(=)
   Call: (185) [system] _79464=(=)
   Exit: (185) [system] (=)=(=)
^  Exit: (184) [user] classify_and_convert_charseq([=], =)
^  Exit: (183) [user] read_symbolic(')', (0x563acd73bee0), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x563acd73bee0), =)
^  Call: (182) [user] read_list(')', (0x563acd73bee0), _138272)
^  Call: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _140130)
   Exit: (184) [system] peek_char((0x563acd73bee0), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
   Call: (184) [system] ' '=(/)
   Fail: (184) [system] ' '=(/)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x563acd73bee0), _149724)
   Exit: (184) [system] get_char((0x563acd73bee0), ' ')
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _152428)
   Exit: (185) [system] peek_char((0x563acd73bee0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
^  Exit: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] peek_char((0x563acd73bee0), _169362)
   Exit: (183) [system] peek_char((0x563acd73bee0), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x563acd73bee0), _174932)
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _176790)
   Exit: (185) [system] peek_char((0x563acd73bee0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] get_char((0x563acd73bee0), _192800)
   Exit: (184) [system] get_char((0x563acd73bee0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x563acd73bee0), _174932)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _198370)
   Exit: (186) [system] peek_char((0x563acd73bee0), s)
   Call: (186) [system] s=(;)
   Fail: (186) [system] s=(;)
   Call: (186) [system] s=(/)
   Fail: (186) [system] s=(/)
^  Call: (186) [user] is_like_space(s)
   Call: (187) [system] char_type(s, 'white')
   Fail: (187) [system] char_type(s, 'white')
   Call: (187) [system] char_type(s, end_of_line)
   Fail: (187) [system] char_type(s, end_of_line)
   Call: (187) [system] char_type(s, space)
   Fail: (187) [system] char_type(s, space)
   Call: (187) [system] char_type(s, cntrl)
   Fail: (187) [system] char_type(s, cntrl)
^  Fail: (186) [user] is_like_space(s)
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _214380)
   Exit: (185) [system] peek_char((0x563acd73bee0), s)
   Call: (185) [system] s=')'
   Fail: (185) [system] s=')'
   Call: (185) [system] s=end_of_file
   Fail: (185) [system] s=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x563acd73bee0), _219950)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _221808)
   Exit: (187) [system] peek_char((0x563acd73bee0), s)
   Call: (187) [system] s=(;)
   Fail: (187) [system] s=(;)
   Call: (187) [system] s=(/)
   Fail: (187) [system] s=(/)
^  Call: (187) [user] is_like_space(s)
   Call: (188) [system] char_type(s, 'white')
   Fail: (188) [system] char_type(s, 'white')
   Call: (188) [system] char_type(s, end_of_line)
   Fail: (188) [system] char_type(s, end_of_line)
   Call: (188) [system] char_type(s, space)
   Fail: (188) [system] char_type(s, space)
   Call: (188) [system] char_type(s, cntrl)
   Fail: (188) [system] char_type(s, cntrl)
^  Fail: (187) [user] is_like_space(s)
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] get_char((0x563acd73bee0), _237818)
   Exit: (186) [system] get_char((0x563acd73bee0), s)
   Call: (186) [system] s='('
   Fail: (186) [system] s='('
   Call: (186) [system] s='['
   Fail: (186) [system] s='['
   Call: (186) [system] s='{'
   Fail: (186) [system] s='{'
   Call: (186) [system] s='"'
   Fail: (186) [system] s='"'
   Call: (186) [system] s=!
   Fail: (186) [system] s=!
   Call: (186) [system] s='\''
   Fail: (186) [system] s='\''
   Call: (186) [system] s='`'
   Fail: (186) [system] s='`'
   Call: (186) [system] s=end_of_file
   Fail: (186) [system] s=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x563acd73bee0), s, _219950)
^  Call: (187) [user] read_symbolic_cont(')', (0x563acd73bee0), _255460)
   Call: (188) [system] peek_char((0x563acd73bee0), _256394)
   Exit: (188) [system] peek_char((0x563acd73bee0), y)
^  Call: (188) [user] is_delimiter(y)
   Call: (189) [system] char_type(y, space)
   Fail: (189) [system] char_type(y, space)
   Call: (189) [system] arg(_261114, v('(', ')', end_of_file), y)
   Fail: (189) [system] arg(_262046, v('(', ')', end_of_file), y)
^  Fail: (188) [user] is_delimiter(y)
   Call: (188) [system] ')'==y
   Fail: (188) [system] ')'==y
   Call: (188) [system] get_char((0x563acd73bee0), y)
   Exit: (188) [system] get_char((0x563acd73bee0), y)
   Call: (188) [system] y=(\)
   Fail: (188) [system] y=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), _269396)
   Call: (189) [system] peek_char((0x563acd73bee0), _270330)
   Exit: (189) [system] peek_char((0x563acd73bee0), n)
^  Call: (189) [user] is_delimiter(n)
   Call: (190) [system] char_type(n, space)
   Fail: (190) [system] char_type(n, space)
   Call: (190) [system] arg(_275050, v('(', ')', end_of_file), n)
   Fail: (190) [system] arg(_275982, v('(', ')', end_of_file), n)
^  Fail: (189) [user] is_delimiter(n)
   Call: (189) [system] ')'==n
   Fail: (189) [system] ')'==n
   Call: (189) [system] get_char((0x563acd73bee0), n)
   Exit: (189) [system] get_char((0x563acd73bee0), n)
   Call: (189) [system] n=(\)
   Fail: (189) [system] n=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), _283332)
   Call: (190) [system] peek_char((0x563acd73bee0), _284266)
   Exit: (190) [system] peek_char((0x563acd73bee0), t)
^  Call: (190) [user] is_delimiter(t)
   Call: (191) [system] char_type(t, space)
   Fail: (191) [system] char_type(t, space)
   Call: (191) [system] arg(_288986, v('(', ')', end_of_file), t)
   Fail: (191) [system] arg(_289918, v('(', ')', end_of_file), t)
^  Fail: (190) [user] is_delimiter(t)
   Call: (190) [system] ')'==t
   Fail: (190) [system] ')'==t
   Call: (190) [system] get_char((0x563acd73bee0), t)
   Exit: (190) [system] get_char((0x563acd73bee0), t)
   Call: (190) [system] t=(\)
   Fail: (190) [system] t=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), _297268)
   Call: (191) [system] peek_char((0x563acd73bee0), _298202)
   Exit: (191) [system] peek_char((0x563acd73bee0), h)
^  Call: (191) [user] is_delimiter(h)
   Call: (192) [system] char_type(h, space)
   Fail: (192) [system] char_type(h, space)
   Call: (192) [system] arg(_302922, v('(', ')', end_of_file), h)
   Fail: (192) [system] arg(_303854, v('(', ')', end_of_file), h)
^  Fail: (191) [user] is_delimiter(h)
   Call: (191) [system] ')'==h
   Fail: (191) [system] ')'==h
   Call: (191) [system] get_char((0x563acd73bee0), h)
   Exit: (191) [system] get_char((0x563acd73bee0), h)
   Call: (191) [system] h=(\)
   Fail: (191) [system] h=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), _311204)
   Call: (192) [system] peek_char((0x563acd73bee0), _312138)
   Exit: (192) [system] peek_char((0x563acd73bee0), e)
^  Call: (192) [user] is_delimiter(e)
   Call: (193) [system] char_type(e, space)
   Fail: (193) [system] char_type(e, space)
   Call: (193) [system] arg(_316858, v('(', ')', end_of_file), e)
   Fail: (193) [system] arg(_317790, v('(', ')', end_of_file), e)
^  Fail: (192) [user] is_delimiter(e)
   Call: (192) [system] ')'==e
   Fail: (192) [system] ')'==e
   Call: (192) [system] get_char((0x563acd73bee0), e)
   Exit: (192) [system] get_char((0x563acd73bee0), e)
   Call: (192) [system] e=(\)
   Fail: (192) [system] e=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), _325140)
   Call: (193) [system] peek_char((0x563acd73bee0), _326074)
   Exit: (193) [system] peek_char((0x563acd73bee0), s)
^  Call: (193) [user] is_delimiter(s)
   Call: (194) [system] char_type(s, space)
   Fail: (194) [system] char_type(s, space)
   Call: (194) [system] arg(_330794, v('(', ')', end_of_file), s)
   Fail: (194) [system] arg(_331726, v('(', ')', end_of_file), s)
^  Fail: (193) [user] is_delimiter(s)
   Call: (193) [system] ')'==s
   Fail: (193) [system] ')'==s
   Call: (193) [system] get_char((0x563acd73bee0), s)
   Exit: (193) [system] get_char((0x563acd73bee0), s)
   Call: (193) [system] s=(\)
   Fail: (193) [system] s=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _339076)
   Call: (194) [system] peek_char((0x563acd73bee0), _340010)
   Exit: (194) [system] peek_char((0x563acd73bee0), i)
^  Call: (194) [user] is_delimiter(i)
   Call: (195) [system] char_type(i, space)
   Fail: (195) [system] char_type(i, space)
   Call: (195) [system] arg(_344730, v('(', ')', end_of_file), i)
   Fail: (195) [system] arg(_345662, v('(', ')', end_of_file), i)
^  Fail: (194) [user] is_delimiter(i)
   Call: (194) [system] ')'==i
   Fail: (194) [system] ')'==i
   Call: (194) [system] get_char((0x563acd73bee0), i)
   Exit: (194) [system] get_char((0x563acd73bee0), i)
   Call: (194) [system] i=(\)
   Fail: (194) [system] i=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _353012)
   Call: (195) [system] peek_char((0x563acd73bee0), _353946)
   Exit: (195) [system] peek_char((0x563acd73bee0), z)
^  Call: (195) [user] is_delimiter(z)
   Call: (196) [system] char_type(z, space)
   Fail: (196) [system] char_type(z, space)
   Call: (196) [system] arg(_358666, v('(', ')', end_of_file), z)
   Fail: (196) [system] arg(_359598, v('(', ')', end_of_file), z)
^  Fail: (195) [user] is_delimiter(z)
   Call: (195) [system] ')'==z
   Fail: (195) [system] ')'==z
   Call: (195) [system] get_char((0x563acd73bee0), z)
   Exit: (195) [system] get_char((0x563acd73bee0), z)
   Call: (195) [system] z=(\)
   Fail: (195) [system] z=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _366948)
   Call: (196) [system] peek_char((0x563acd73bee0), _367882)
   Exit: (196) [system] peek_char((0x563acd73bee0), e)
^  Call: (196) [user] is_delimiter(e)
   Call: (197) [system] char_type(e, space)
   Fail: (197) [system] char_type(e, space)
   Call: (197) [system] arg(_372602, v('(', ')', end_of_file), e)
   Fail: (197) [system] arg(_373534, v('(', ')', end_of_file), e)
^  Fail: (196) [user] is_delimiter(e)
   Call: (196) [system] ')'==e
   Fail: (196) [system] ')'==e
   Call: (196) [system] get_char((0x563acd73bee0), e)
   Exit: (196) [system] get_char((0x563acd73bee0), e)
   Call: (196) [system] e=(\)
   Fail: (196) [system] e=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _380884)
   Call: (197) [system] peek_char((0x563acd73bee0), _381818)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _380884=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (196) [system] _366948=[e]
   Exit: (196) [system] [e]=[e]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [e])
   Call: (195) [system] _353012=[z, e]
   Exit: (195) [system] [z, e]=[z, e]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [z, e])
   Call: (194) [system] _339076=[i, z, e]
   Exit: (194) [system] [i, z, e]=[i, z, e]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, z, e])
   Call: (193) [system] _325140=[s, i, z, e]
   Exit: (193) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, i, z, e])
   Call: (192) [system] _311204=[e, s, i, z, e]
   Exit: (192) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, s, i, z, e])
   Call: (191) [system] _297268=[h, e, s, i, z, e]
   Exit: (191) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), [h, e, s, i, z, e])
   Call: (190) [system] _283332=[t, h, e, s, i, z, e]
   Exit: (190) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, h, e, s, i, z, e])
   Call: (189) [system] _269396=[n, t, h, e, s, i, z, e]
   Exit: (189) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, h, e, s, i, z, e])
   Call: (188) [system] _255460=[y, n, t, h, e, s, i, z, e]
   Exit: (188) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (187) [user] read_symbolic_cont(')', (0x563acd73bee0), [y, n, t, h, e, s, i, z, e])
^  Call: (187) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _219950)
^  Call: (188) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _416248)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_417200, _417202), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _416248), _417182, fail)), '$restore_trace'(_417200, _417202))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_417200, _417202))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _417182, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(synthesize)
   Exit: (189) [system] atomic(synthesize)
^  Exit: (188) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (188) [system] integer(synthesize)
   Fail: (188) [system] integer(synthesize)
   Call: (188) [system] _219950=synthesize
   Exit: (188) [system] synthesize=synthesize
^  Exit: (187) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (186) [user] read_symbolic(')', (0x563acd73bee0), s, synthesize)
^  Exit: (185) [user] cont_sexpr(')', (0x563acd73bee0), synthesize)
^  Call: (185) [user] read_list(')', (0x563acd73bee0), _429328)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _431186)
   Exit: (187) [system] peek_char((0x563acd73bee0), ' ')
   Call: (187) [system] ' '=(;)
   Fail: (187) [system] ' '=(;)
   Call: (187) [system] ' '=(/)
   Fail: (187) [system] ' '=(/)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x563acd73bee0), _440780)
   Exit: (187) [system] get_char((0x563acd73bee0), ' ')
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _443484)
   Exit: (188) [system] peek_char((0x563acd73bee0), $)
   Call: (188) [system] ($)=(;)
   Fail: (188) [system] ($)=(;)
   Call: (188) [system] ($)=(/)
   Fail: (188) [system] ($)=(/)
^  Call: (188) [user] is_like_space($)
   Call: (189) [system] char_type($, 'white')
   Fail: (189) [system] char_type($, 'white')
   Call: (189) [system] char_type($, end_of_line)
   Fail: (189) [system] char_type($, end_of_line)
   Call: (189) [system] char_type($, space)
   Fail: (189) [system] char_type($, space)
   Call: (189) [system] char_type($, cntrl)
   Fail: (189) [system] char_type($, cntrl)
^  Fail: (188) [user] is_like_space($)
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _460418)
   Exit: (186) [system] peek_char((0x563acd73bee0), $)
   Call: (186) [system] ($)=')'
   Fail: (186) [system] ($)=')'
   Call: (186) [system] ($)=end_of_file
   Fail: (186) [system] ($)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x563acd73bee0), _465988)
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _467846)
   Exit: (188) [system] peek_char((0x563acd73bee0), $)
   Call: (188) [system] ($)=(;)
   Fail: (188) [system] ($)=(;)
   Call: (188) [system] ($)=(/)
   Fail: (188) [system] ($)=(/)
^  Call: (188) [user] is_like_space($)
   Call: (189) [system] char_type($, 'white')
   Fail: (189) [system] char_type($, 'white')
   Call: (189) [system] char_type($, end_of_line)
   Fail: (189) [system] char_type($, end_of_line)
   Call: (189) [system] char_type($, space)
   Fail: (189) [system] char_type($, space)
   Call: (189) [system] char_type($, cntrl)
   Fail: (189) [system] char_type($, cntrl)
^  Fail: (188) [user] is_like_space($)
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] get_char((0x563acd73bee0), _483856)
   Exit: (187) [system] get_char((0x563acd73bee0), $)
   Call: (187) [system] ($)='('
   Fail: (187) [system] ($)='('
   Call: (187) [system] ($)='['
   Fail: (187) [system] ($)='['
   Call: (187) [system] ($)='{'
   Fail: (187) [system] ($)='{'
   Call: (187) [system] ($)='"'
   Fail: (187) [system] ($)='"'
   Call: (187) [system] ($)=!
   Fail: (187) [system] ($)=!
   Call: (187) [system] ($)='\''
   Fail: (187) [system] ($)='\''
   Call: (187) [system] ($)='`'
   Fail: (187) [system] ($)='`'
   Call: (187) [system] ($)=end_of_file
   Fail: (187) [system] ($)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x563acd73bee0), $, _465988)
^  Call: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), _501498)
   Call: (189) [system] peek_char((0x563acd73bee0), _502432)
   Exit: (189) [system] peek_char((0x563acd73bee0), q)
^  Call: (189) [user] is_delimiter(q)
   Call: (190) [system] char_type(q, space)
   Fail: (190) [system] char_type(q, space)
   Call: (190) [system] arg(_507152, v('(', ')', end_of_file), q)
   Fail: (190) [system] arg(_508084, v('(', ')', end_of_file), q)
^  Fail: (189) [user] is_delimiter(q)
   Call: (189) [system] ')'==q
   Fail: (189) [system] ')'==q
   Call: (189) [system] get_char((0x563acd73bee0), q)
   Exit: (189) [system] get_char((0x563acd73bee0), q)
   Call: (189) [system] q=(\)
   Fail: (189) [system] q=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), _515434)
   Call: (190) [system] peek_char((0x563acd73bee0), _516368)
   Exit: (190) [system] peek_char((0x563acd73bee0), u)
^  Call: (190) [user] is_delimiter(u)
   Call: (191) [system] char_type(u, space)
   Fail: (191) [system] char_type(u, space)
   Call: (191) [system] arg(_521088, v('(', ')', end_of_file), u)
   Fail: (191) [system] arg(_522020, v('(', ')', end_of_file), u)
^  Fail: (190) [user] is_delimiter(u)
   Call: (190) [system] ')'==u
   Fail: (190) [system] ')'==u
   Call: (190) [system] get_char((0x563acd73bee0), u)
   Exit: (190) [system] get_char((0x563acd73bee0), u)
   Call: (190) [system] u=(\)
   Fail: (190) [system] u=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), _529370)
   Call: (191) [system] peek_char((0x563acd73bee0), _530304)
   Exit: (191) [system] peek_char((0x563acd73bee0), e)
^  Call: (191) [user] is_delimiter(e)
   Call: (192) [system] char_type(e, space)
   Fail: (192) [system] char_type(e, space)
   Call: (192) [system] arg(_535024, v('(', ')', end_of_file), e)
   Fail: (192) [system] arg(_535956, v('(', ')', end_of_file), e)
^  Fail: (191) [user] is_delimiter(e)
   Call: (191) [system] ')'==e
   Fail: (191) [system] ')'==e
   Call: (191) [system] get_char((0x563acd73bee0), e)
   Exit: (191) [system] get_char((0x563acd73bee0), e)
   Call: (191) [system] e=(\)
   Fail: (191) [system] e=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), _543306)
   Call: (192) [system] peek_char((0x563acd73bee0), _544240)
   Exit: (192) [system] peek_char((0x563acd73bee0), r)
^  Call: (192) [user] is_delimiter(r)
   Call: (193) [system] char_type(r, space)
   Fail: (193) [system] char_type(r, space)
   Call: (193) [system] arg(_548960, v('(', ')', end_of_file), r)
   Fail: (193) [system] arg(_549892, v('(', ')', end_of_file), r)
^  Fail: (192) [user] is_delimiter(r)
   Call: (192) [system] ')'==r
   Fail: (192) [system] ')'==r
   Call: (192) [system] get_char((0x563acd73bee0), r)
   Exit: (192) [system] get_char((0x563acd73bee0), r)
   Call: (192) [system] r=(\)
   Fail: (192) [system] r=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), _557242)
   Call: (193) [system] peek_char((0x563acd73bee0), _558176)
   Exit: (193) [system] peek_char((0x563acd73bee0), y)
^  Call: (193) [user] is_delimiter(y)
   Call: (194) [system] char_type(y, space)
   Fail: (194) [system] char_type(y, space)
   Call: (194) [system] arg(_562896, v('(', ')', end_of_file), y)
   Fail: (194) [system] arg(_563828, v('(', ')', end_of_file), y)
^  Fail: (193) [user] is_delimiter(y)
   Call: (193) [system] ')'==y
   Fail: (193) [system] ')'==y
   Call: (193) [system] get_char((0x563acd73bee0), y)
   Exit: (193) [system] get_char((0x563acd73bee0), y)
   Call: (193) [system] y=(\)
   Fail: (193) [system] y=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _571178)
   Call: (194) [system] peek_char((0x563acd73bee0), _572112)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _571178=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (193) [system] _557242=[y]
   Exit: (193) [system] [y]=[y]
^  Exit: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), [y])
   Call: (192) [system] _543306=[r, y]
   Exit: (192) [system] [r, y]=[r, y]
^  Exit: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, y])
   Call: (191) [system] _529370=[e, r, y]
   Exit: (191) [system] [e, r, y]=[e, r, y]
^  Exit: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, r, y])
   Call: (190) [system] _515434=[u, e, r, y]
   Exit: (190) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, e, r, y])
   Call: (189) [system] _501498=[q, u, e, r, y]
   Exit: (189) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), [q, u, e, r, y])
^  Call: (188) [user] classify_and_convert_charseq([$, q, u, e, r, y], _465988)
^  Call: (189) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _595366)
   Call: (190) [system] atom_chars(_596298, ['_', q, u, e, r, y])
   Exit: (190) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (189) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _query)
   Call: (189) [system] integer(_query)
   Fail: (189) [system] integer(_query)
   Call: (189) [system] _465988=_query
   Exit: (189) [system] _query=_query
^  Exit: (188) [user] classify_and_convert_charseq([$, q, u, e, r, y], _query)
^  Exit: (187) [user] read_symbolic(')', (0x563acd73bee0), $, _query)
^  Exit: (186) [user] cont_sexpr(')', (0x563acd73bee0), _query)
^  Call: (186) [user] read_list(')', (0x563acd73bee0), _605590)
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _607448)
   Exit: (188) [system] peek_char((0x563acd73bee0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x563acd73bee0), _617042)
   Exit: (188) [system] get_char((0x563acd73bee0), ' ')
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _619746)
   Exit: (189) [system] peek_char((0x563acd73bee0), $)
   Call: (189) [system] ($)=(;)
   Fail: (189) [system] ($)=(;)
   Call: (189) [system] ($)=(/)
   Fail: (189) [system] ($)=(/)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Fail: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Fail: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Fail: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
   Fail: (190) [system] char_type($, cntrl)
^  Fail: (189) [user] is_like_space($)
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _636680)
   Exit: (187) [system] peek_char((0x563acd73bee0), $)
   Call: (187) [system] ($)=')'
   Fail: (187) [system] ($)=')'
   Call: (187) [system] ($)=end_of_file
   Fail: (187) [system] ($)=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x563acd73bee0), _642250)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _644108)
   Exit: (189) [system] peek_char((0x563acd73bee0), $)
   Call: (189) [system] ($)=(;)
   Fail: (189) [system] ($)=(;)
   Call: (189) [system] ($)=(/)
   Fail: (189) [system] ($)=(/)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Fail: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Fail: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Fail: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
   Fail: (190) [system] char_type($, cntrl)
^  Fail: (189) [user] is_like_space($)
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] get_char((0x563acd73bee0), _660118)
   Exit: (188) [system] get_char((0x563acd73bee0), $)
   Call: (188) [system] ($)='('
   Fail: (188) [system] ($)='('
   Call: (188) [system] ($)='['
   Fail: (188) [system] ($)='['
   Call: (188) [system] ($)='{'
   Fail: (188) [system] ($)='{'
   Call: (188) [system] ($)='"'
   Fail: (188) [system] ($)='"'
   Call: (188) [system] ($)=!
   Fail: (188) [system] ($)=!
   Call: (188) [system] ($)='\''
   Fail: (188) [system] ($)='\''
   Call: (188) [system] ($)='`'
   Fail: (188) [system] ($)='`'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x563acd73bee0), $, _642250)
^  Call: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), _677760)
   Call: (190) [system] peek_char((0x563acd73bee0), _678694)
   Exit: (190) [system] peek_char((0x563acd73bee0), k)
^  Call: (190) [user] is_delimiter(k)
   Call: (191) [system] char_type(k, space)
   Fail: (191) [system] char_type(k, space)
   Call: (191) [system] arg(_683414, v('(', ')', end_of_file), k)
   Fail: (191) [system] arg(_684346, v('(', ')', end_of_file), k)
^  Fail: (190) [user] is_delimiter(k)
   Call: (190) [system] ')'==k
   Fail: (190) [system] ')'==k
   Call: (190) [system] get_char((0x563acd73bee0), k)
   Exit: (190) [system] get_char((0x563acd73bee0), k)
   Call: (190) [system] k=(\)
   Fail: (190) [system] k=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), _691696)
   Call: (191) [system] peek_char((0x563acd73bee0), _692630)
   Exit: (191) [system] peek_char((0x563acd73bee0), b)
^  Call: (191) [user] is_delimiter(b)
   Call: (192) [system] char_type(b, space)
   Fail: (192) [system] char_type(b, space)
   Call: (192) [system] arg(_697350, v('(', ')', end_of_file), b)
   Fail: (192) [system] arg(_698282, v('(', ')', end_of_file), b)
^  Fail: (191) [user] is_delimiter(b)
   Call: (191) [system] ')'==b
   Fail: (191) [system] ')'==b
   Call: (191) [system] get_char((0x563acd73bee0), b)
   Exit: (191) [system] get_char((0x563acd73bee0), b)
   Call: (191) [system] b=(\)
   Fail: (191) [system] b=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), _705632)
   Call: (192) [system] peek_char((0x563acd73bee0), _706566)
   Exit: (192) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _705632=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (191) [system] _691696=[b]
   Exit: (191) [system] [b]=[b]
^  Exit: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
   Call: (190) [system] _677760=[k, b]
   Exit: (190) [system] [k, b]=[k, b]
^  Exit: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), [k, b])
^  Call: (189) [user] classify_and_convert_charseq([$, k, b], _642250)
^  Call: (190) [user] classify_and_convert_charseq_([$, k, b], _721438)
   Call: (191) [system] atom_chars(_722370, ['_', k, b])
   Exit: (191) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (190) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (190) [system] integer(_kb)
   Fail: (190) [system] integer(_kb)
   Call: (190) [system] _642250=_kb
   Exit: (190) [system] _kb=_kb
^  Exit: (189) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (188) [user] read_symbolic(')', (0x563acd73bee0), $, _kb)
^  Exit: (187) [user] cont_sexpr(')', (0x563acd73bee0), _kb)
^  Call: (187) [user] read_list(')', (0x563acd73bee0), _731662)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _733520)
   Exit: (189) [system] peek_char((0x563acd73bee0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x563acd73bee0), _743114)
   Exit: (189) [system] get_char((0x563acd73bee0), ' ')
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _745818)
   Exit: (190) [system] peek_char((0x563acd73bee0), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
   Call: (190) [system] ($)=(/)
   Fail: (190) [system] ($)=(/)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _762752)
   Exit: (188) [system] peek_char((0x563acd73bee0), $)
   Call: (188) [system] ($)=')'
   Fail: (188) [system] ($)=')'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x563acd73bee0), _768322)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _770180)
   Exit: (190) [system] peek_char((0x563acd73bee0), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
   Call: (190) [system] ($)=(/)
   Fail: (190) [system] ($)=(/)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] get_char((0x563acd73bee0), _786190)
   Exit: (189) [system] get_char((0x563acd73bee0), $)
   Call: (189) [system] ($)='('
   Fail: (189) [system] ($)='('
   Call: (189) [system] ($)='['
   Fail: (189) [system] ($)='['
   Call: (189) [system] ($)='{'
   Fail: (189) [system] ($)='{'
   Call: (189) [system] ($)='"'
   Fail: (189) [system] ($)='"'
   Call: (189) [system] ($)=!
   Fail: (189) [system] ($)=!
   Call: (189) [system] ($)='\''
   Fail: (189) [system] ($)='\''
   Call: (189) [system] ($)='`'
   Fail: (189) [system] ($)='`'
   Call: (189) [system] ($)=end_of_file
   Fail: (189) [system] ($)=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x563acd73bee0), $, _768322)
^  Call: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), _803832)
   Call: (191) [system] peek_char((0x563acd73bee0), _804766)
   Exit: (191) [system] peek_char((0x563acd73bee0), r)
^  Call: (191) [user] is_delimiter(r)
   Call: (192) [system] char_type(r, space)
   Fail: (192) [system] char_type(r, space)
   Call: (192) [system] arg(_809486, v('(', ')', end_of_file), r)
   Fail: (192) [system] arg(_810418, v('(', ')', end_of_file), r)
^  Fail: (191) [user] is_delimiter(r)
   Call: (191) [system] ')'==r
   Fail: (191) [system] ')'==r
   Call: (191) [system] get_char((0x563acd73bee0), r)
   Exit: (191) [system] get_char((0x563acd73bee0), r)
   Call: (191) [system] r=(\)
   Fail: (191) [system] r=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), _817768)
   Call: (192) [system] peek_char((0x563acd73bee0), _818702)
   Exit: (192) [system] peek_char((0x563acd73bee0), b)
^  Call: (192) [user] is_delimiter(b)
   Call: (193) [system] char_type(b, space)
   Fail: (193) [system] char_type(b, space)
   Call: (193) [system] arg(_823422, v('(', ')', end_of_file), b)
   Fail: (193) [system] arg(_824354, v('(', ')', end_of_file), b)
^  Fail: (192) [user] is_delimiter(b)
   Call: (192) [system] ')'==b
   Fail: (192) [system] ')'==b
   Call: (192) [system] get_char((0x563acd73bee0), b)
   Exit: (192) [system] get_char((0x563acd73bee0), b)
   Call: (192) [system] b=(\)
   Fail: (192) [system] b=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), _831704)
   Call: (193) [system] peek_char((0x563acd73bee0), _832638)
   Exit: (193) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (193) [user] is_delimiter(' ')
   Call: (194) [system] char_type(' ', space)
   Exit: (194) [system] char_type(' ', space)
^  Exit: (193) [user] is_delimiter(' ')
   Call: (193) [system] _831704=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (192) [system] _817768=[b]
   Exit: (192) [system] [b]=[b]
^  Exit: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
   Call: (191) [system] _803832=[r, b]
   Exit: (191) [system] [r, b]=[r, b]
^  Exit: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, b])
^  Call: (190) [user] classify_and_convert_charseq([$, r, b], _768322)
^  Call: (191) [user] classify_and_convert_charseq_([$, r, b], _847510)
   Call: (192) [system] atom_chars(_848442, ['_', r, b])
   Exit: (192) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (191) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (191) [system] integer(_rb)
   Fail: (191) [system] integer(_rb)
   Call: (191) [system] _768322=_rb
   Exit: (191) [system] _rb=_rb
^  Exit: (190) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (189) [user] read_symbolic(')', (0x563acd73bee0), $, _rb)
^  Exit: (188) [user] cont_sexpr(')', (0x563acd73bee0), _rb)
^  Call: (188) [user] read_list(')', (0x563acd73bee0), _857734)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _859592)
   Exit: (190) [system] peek_char((0x563acd73bee0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x563acd73bee0), _869186)
   Exit: (190) [system] get_char((0x563acd73bee0), ' ')
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _871890)
   Exit: (191) [system] peek_char((0x563acd73bee0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _888824)
   Exit: (189) [system] peek_char((0x563acd73bee0), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x563acd73bee0), _894394)
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _896252)
   Exit: (191) [system] peek_char((0x563acd73bee0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] get_char((0x563acd73bee0), _912262)
   Exit: (190) [system] get_char((0x563acd73bee0), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x563acd73bee0), _894394)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _917832)
   Exit: (192) [system] peek_char((0x563acd73bee0), 'S')
   Call: (192) [system] 'S'=(;)
   Fail: (192) [system] 'S'=(;)
   Call: (192) [system] 'S'=(/)
   Fail: (192) [system] 'S'=(/)
^  Call: (192) [user] is_like_space('S')
   Call: (193) [system] char_type('S', 'white')
   Fail: (193) [system] char_type('S', 'white')
   Call: (193) [system] char_type('S', end_of_line)
   Fail: (193) [system] char_type('S', end_of_line)
   Call: (193) [system] char_type('S', space)
   Fail: (193) [system] char_type('S', space)
   Call: (193) [system] char_type('S', cntrl)
   Fail: (193) [system] char_type('S', cntrl)
^  Fail: (192) [user] is_like_space('S')
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _933842)
   Exit: (191) [system] peek_char((0x563acd73bee0), 'S')
   Call: (191) [system] 'S'=')'
   Fail: (191) [system] 'S'=')'
   Call: (191) [system] 'S'=end_of_file
   Fail: (191) [system] 'S'=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x563acd73bee0), _939412)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _941270)
   Exit: (193) [system] peek_char((0x563acd73bee0), 'S')
   Call: (193) [system] 'S'=(;)
   Fail: (193) [system] 'S'=(;)
   Call: (193) [system] 'S'=(/)
   Fail: (193) [system] 'S'=(/)
^  Call: (193) [user] is_like_space('S')
   Call: (194) [system] char_type('S', 'white')
   Fail: (194) [system] char_type('S', 'white')
   Call: (194) [system] char_type('S', end_of_line)
   Fail: (194) [system] char_type('S', end_of_line)
   Call: (194) [system] char_type('S', space)
   Fail: (194) [system] char_type('S', space)
   Call: (194) [system] char_type('S', cntrl)
   Fail: (194) [system] char_type('S', cntrl)
^  Fail: (193) [user] is_like_space('S')
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] get_char((0x563acd73bee0), _957280)
   Exit: (192) [system] get_char((0x563acd73bee0), 'S')
   Call: (192) [system] 'S'='('
   Fail: (192) [system] 'S'='('
   Call: (192) [system] 'S'='['
   Fail: (192) [system] 'S'='['
   Call: (192) [system] 'S'='{'
   Fail: (192) [system] 'S'='{'
   Call: (192) [system] 'S'='"'
   Fail: (192) [system] 'S'='"'
   Call: (192) [system] 'S'=!
   Fail: (192) [system] 'S'=!
   Call: (192) [system] 'S'='\''
   Fail: (192) [system] 'S'='\''
   Call: (192) [system] 'S'='`'
   Fail: (192) [system] 'S'='`'
   Call: (192) [system] 'S'=end_of_file
   Fail: (192) [system] 'S'=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x563acd73bee0), 'S', _939412)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _974922)
   Call: (194) [system] peek_char((0x563acd73bee0), _975856)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _974922=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (193) [user] classify_and_convert_charseq(['S'], _939412)
^  Call: (194) [user] classify_and_convert_charseq_(['S'], _985140)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_986092, _986094), once(user:catch(read_from_chars(['S'], _985140), _986074, fail)), '$restore_trace'(_986092, _986094))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_986092, _986094))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['S'], _985140), _986074, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(_985140)
   Fail: (195) [system] atomic(_985140)
   Call: (195) [system] atom_chars(_985140, ['S'])
   Exit: (195) [system] atom_chars('S', ['S'])
^  Exit: (194) [user] classify_and_convert_charseq_(['S'], 'S')
   Call: (194) [system] integer('S')
   Fail: (194) [system] integer('S')
   Call: (194) [system] _939412='S'
   Exit: (194) [system] 'S'='S'
^  Exit: (193) [user] classify_and_convert_charseq(['S'], 'S')
^  Exit: (192) [user] read_symbolic(')', (0x563acd73bee0), 'S', 'S')
^  Exit: (191) [user] cont_sexpr(')', (0x563acd73bee0), 'S')
^  Call: (191) [user] read_list(')', (0x563acd73bee0), _1000090)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1001948)
   Exit: (193) [system] peek_char((0x563acd73bee0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x563acd73bee0), _1011542)
   Exit: (193) [system] get_char((0x563acd73bee0), ' ')
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1014246)
   Exit: (194) [system] peek_char((0x563acd73bee0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1031180)
   Exit: (192) [system] peek_char((0x563acd73bee0), $)
   Call: (192) [system] ($)=')'
   Fail: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x563acd73bee0), _1036750)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1038608)
   Exit: (194) [system] peek_char((0x563acd73bee0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] get_char((0x563acd73bee0), _1054618)
   Exit: (193) [system] get_char((0x563acd73bee0), $)
   Call: (193) [system] ($)='('
   Fail: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Fail: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Fail: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Fail: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Fail: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Fail: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Fail: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x563acd73bee0), $, _1036750)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _1072260)
   Call: (195) [system] peek_char((0x563acd73bee0), _1073194)
   Exit: (195) [system] peek_char((0x563acd73bee0), k)
^  Call: (195) [user] is_delimiter(k)
   Call: (196) [system] char_type(k, space)
   Fail: (196) [system] char_type(k, space)
   Call: (196) [system] arg(_1077914, v('(', ')', end_of_file), k)
   Fail: (196) [system] arg(_1078846, v('(', ')', end_of_file), k)
^  Fail: (195) [user] is_delimiter(k)
   Call: (195) [system] ')'==k
   Fail: (195) [system] ')'==k
   Call: (195) [system] get_char((0x563acd73bee0), k)
   Exit: (195) [system] get_char((0x563acd73bee0), k)
   Call: (195) [system] k=(\)
   Fail: (195) [system] k=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _1086196)
   Call: (196) [system] peek_char((0x563acd73bee0), _1087130)
   Exit: (196) [system] peek_char((0x563acd73bee0), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_1091850, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _1086196=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (195) [system] _1072260=[k]
   Exit: (195) [system] [k]=[k]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
^  Call: (194) [user] classify_and_convert_charseq([$, k], _1036750)
^  Call: (195) [user] classify_and_convert_charseq_([$, k], _1101080)
   Call: (196) [system] atom_chars(_1102012, ['_', k])
   Exit: (196) [system] atom_chars('_k', ['_', k])
^  Exit: (195) [user] classify_and_convert_charseq_([$, k], _k)
   Call: (195) [system] integer(_k)
   Fail: (195) [system] integer(_k)
   Call: (195) [system] _1036750=_k
   Exit: (195) [system] _k=_k
^  Exit: (194) [user] classify_and_convert_charseq([$, k], _k)
^  Exit: (193) [user] read_symbolic(')', (0x563acd73bee0), $, _k)
^  Exit: (192) [user] cont_sexpr(')', (0x563acd73bee0), _k)
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _1111304)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1113162)
   Exit: (194) [system] peek_char((0x563acd73bee0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
   Call: (194) [system] ')'=(/)
   Fail: (194) [system] ')'=(/)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1129172)
   Exit: (193) [system] peek_char((0x563acd73bee0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x563acd73bee0), _1132962)
   Exit: (193) [system] get_char((0x563acd73bee0), ')')
   Call: (193) [system] _1111304=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), [])
   Call: (192) [system] _1000090=[_k]
   Exit: (192) [system] [_k]=[_k]
^  Exit: (191) [user] read_list(')', (0x563acd73bee0), [_k])
   Call: (191) [system] _894394=['S', _k]
   Exit: (191) [system] ['S', _k]=['S', _k]
^  Exit: (190) [user] read_list(')', (0x563acd73bee0), ['S', _k])
^  Exit: (189) [user] cont_sexpr(')', (0x563acd73bee0), ['S', _k])
^  Call: (189) [user] read_list(')', (0x563acd73bee0), _1144050)
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _1145908)
   Exit: (191) [system] peek_char((0x563acd73bee0), ')')
   Call: (191) [system] ')'=(;)
   Fail: (191) [system] ')'=(;)
   Call: (191) [system] ')'=(/)
   Fail: (191) [system] ')'=(/)
^  Call: (191) [user] is_like_space(')')
   Call: (192) [system] char_type(')', 'white')
   Fail: (192) [system] char_type(')', 'white')
   Call: (192) [system] char_type(')', end_of_line)
   Fail: (192) [system] char_type(')', end_of_line)
   Call: (192) [system] char_type(')', space)
   Fail: (192) [system] char_type(')', space)
   Call: (192) [system] char_type(')', cntrl)
   Fail: (192) [system] char_type(')', cntrl)
^  Fail: (191) [user] is_like_space(')')
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1161918)
   Exit: (190) [system] peek_char((0x563acd73bee0), ')')
   Call: (190) [system] ')'=')'
   Exit: (190) [system] ')'=')'
   Call: (190) [system] get_char((0x563acd73bee0), _1165708)
   Exit: (190) [system] get_char((0x563acd73bee0), ')')
   Call: (190) [system] _1144050=[]
   Exit: (190) [system] []=[]
^  Exit: (189) [user] read_list(')', (0x563acd73bee0), [])
   Call: (189) [system] _857734=[['S', _k]]
   Exit: (189) [system] [['S', _k]]=[['S', _k]]
^  Exit: (188) [user] read_list(')', (0x563acd73bee0), [['S', _k]])
   Call: (188) [system] _731662=[_rb, ['S', _k]]
   Exit: (188) [system] [_rb, ['S', _k]]=[_rb, ['S', _k]]
^  Exit: (187) [user] read_list(')', (0x563acd73bee0), [_rb, ['S', _k]])
   Call: (187) [system] _605590=[_kb, _rb, ['S', _k]]
   Exit: (187) [system] [_kb, _rb, ['S', _k]]=[_kb, _rb, ['S', _k]]
^  Exit: (186) [user] read_list(')', (0x563acd73bee0), [_kb, _rb, ['S', _k]])
   Call: (186) [system] _429328=[_query, _kb, _rb, ['S', _k]]
   Exit: (186) [system] [_query, _kb, _rb, ['S', _k]]=[_query, _kb, _rb, ['S', _k]]
^  Exit: (185) [user] read_list(')', (0x563acd73bee0), [_query, _kb, _rb, ['S', _k]])
   Call: (185) [system] _174932=[synthesize, _query, _kb, _rb, ['S', _k]]
   Exit: (185) [system] [synthesize, _query, _kb, _rb, ['S', _k]]=[synthesize, _query, _kb, _rb, ['S', _k]]
^  Exit: (184) [user] read_list(')', (0x563acd73bee0), [synthesize, _query, _kb, _rb, ['S', _k]])
^  Exit: (183) [user] cont_sexpr(')', (0x563acd73bee0), [synthesize, _query, _kb, _rb, ['S', _k]])
^  Call: (183) [user] read_list(')', (0x563acd73bee0), _1185178)
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _1187036)
   Exit: (185) [system] peek_char((0x563acd73bee0), '\n')
   Call: (185) [system] '\n'=(;)
   Fail: (185) [system] '\n'=(;)
   Call: (185) [system] '\n'=(/)
   Fail: (185) [system] '\n'=(/)
^  Call: (185) [user] is_like_space('\n')
   Call: (186) [system] char_type('\n', 'white')
   Fail: (186) [system] char_type('\n', 'white')
   Call: (186) [system] char_type('\n', end_of_line)
   Exit: (186) [system] char_type('\n', end_of_line)
^  Exit: (185) [user] is_like_space('\n')
   Call: (185) [system] get_char((0x563acd73bee0), _1198486)
   Exit: (185) [system] get_char((0x563acd73bee0), '\n')
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1201190)
   Exit: (186) [system] peek_char((0x563acd73bee0), ' ')
   Call: (186) [system] ' '=(;)
   Fail: (186) [system] ' '=(;)
   Call: (186) [system] ' '=(/)
   Fail: (186) [system] ' '=(/)
^  Call: (186) [user] is_like_space(' ')
   Call: (187) [system] char_type(' ', 'white')
   Exit: (187) [system] char_type(' ', 'white')
^  Exit: (186) [user] is_like_space(' ')
   Call: (186) [system] get_char((0x563acd73bee0), _1210784)
   Exit: (186) [system] get_char((0x563acd73bee0), ' ')
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _1213488)
   Exit: (187) [system] peek_char((0x563acd73bee0), ' ')
   Call: (187) [system] ' '=(;)
   Fail: (187) [system] ' '=(;)
   Call: (187) [system] ' '=(/)
   Fail: (187) [system] ' '=(/)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x563acd73bee0), _1223082)
   Exit: (187) [system] get_char((0x563acd73bee0), ' ')
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _1225786)
   Exit: (188) [system] peek_char((0x563acd73bee0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x563acd73bee0), _1235380)
   Exit: (188) [system] get_char((0x563acd73bee0), ' ')
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1238084)
   Exit: (189) [system] peek_char((0x563acd73bee0), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
   Call: (189) [system] '('=(/)
   Fail: (189) [system] '('=(/)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _1257790)
   Exit: (184) [system] peek_char((0x563acd73bee0), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x563acd73bee0), _1263360)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1265218)
   Exit: (186) [system] peek_char((0x563acd73bee0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] get_char((0x563acd73bee0), _1281228)
   Exit: (185) [system] get_char((0x563acd73bee0), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x563acd73bee0), _1263360)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _1286798)
   Exit: (187) [system] peek_char((0x563acd73bee0), l)
   Call: (187) [system] l=(;)
   Fail: (187) [system] l=(;)
   Call: (187) [system] l=(/)
   Fail: (187) [system] l=(/)
^  Call: (187) [user] is_like_space(l)
   Call: (188) [system] char_type(l, 'white')
   Fail: (188) [system] char_type(l, 'white')
   Call: (188) [system] char_type(l, end_of_line)
   Fail: (188) [system] char_type(l, end_of_line)
   Call: (188) [system] char_type(l, space)
   Fail: (188) [system] char_type(l, space)
   Call: (188) [system] char_type(l, cntrl)
   Fail: (188) [system] char_type(l, cntrl)
^  Fail: (187) [user] is_like_space(l)
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1302808)
   Exit: (186) [system] peek_char((0x563acd73bee0), l)
   Call: (186) [system] l=')'
   Fail: (186) [system] l=')'
   Call: (186) [system] l=end_of_file
   Fail: (186) [system] l=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x563acd73bee0), _1308378)
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _1310236)
   Exit: (188) [system] peek_char((0x563acd73bee0), l)
   Call: (188) [system] l=(;)
   Fail: (188) [system] l=(;)
   Call: (188) [system] l=(/)
   Fail: (188) [system] l=(/)
^  Call: (188) [user] is_like_space(l)
   Call: (189) [system] char_type(l, 'white')
   Fail: (189) [system] char_type(l, 'white')
   Call: (189) [system] char_type(l, end_of_line)
   Fail: (189) [system] char_type(l, end_of_line)
   Call: (189) [system] char_type(l, space)
   Fail: (189) [system] char_type(l, space)
   Call: (189) [system] char_type(l, cntrl)
   Fail: (189) [system] char_type(l, cntrl)
^  Fail: (188) [user] is_like_space(l)
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] get_char((0x563acd73bee0), _1326246)
   Exit: (187) [system] get_char((0x563acd73bee0), l)
   Call: (187) [system] l='('
   Fail: (187) [system] l='('
   Call: (187) [system] l='['
   Fail: (187) [system] l='['
   Call: (187) [system] l='{'
   Fail: (187) [system] l='{'
   Call: (187) [system] l='"'
   Fail: (187) [system] l='"'
   Call: (187) [system] l=!
   Fail: (187) [system] l=!
   Call: (187) [system] l='\''
   Fail: (187) [system] l='\''
   Call: (187) [system] l='`'
   Fail: (187) [system] l='`'
   Call: (187) [system] l=end_of_file
   Fail: (187) [system] l=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x563acd73bee0), l, _1308378)
^  Call: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), _1343888)
   Call: (189) [system] peek_char((0x563acd73bee0), _1344822)
   Exit: (189) [system] peek_char((0x563acd73bee0), e)
^  Call: (189) [user] is_delimiter(e)
   Call: (190) [system] char_type(e, space)
   Fail: (190) [system] char_type(e, space)
   Call: (190) [system] arg(_1349542, v('(', ')', end_of_file), e)
   Fail: (190) [system] arg(_1350474, v('(', ')', end_of_file), e)
^  Fail: (189) [user] is_delimiter(e)
   Call: (189) [system] ')'==e
   Fail: (189) [system] ')'==e
   Call: (189) [system] get_char((0x563acd73bee0), e)
   Exit: (189) [system] get_char((0x563acd73bee0), e)
   Call: (189) [system] e=(\)
   Fail: (189) [system] e=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), _1357824)
   Call: (190) [system] peek_char((0x563acd73bee0), _1358758)
   Exit: (190) [system] peek_char((0x563acd73bee0), t)
^  Call: (190) [user] is_delimiter(t)
   Call: (191) [system] char_type(t, space)
   Fail: (191) [system] char_type(t, space)
   Call: (191) [system] arg(_1363478, v('(', ')', end_of_file), t)
   Fail: (191) [system] arg(_1364410, v('(', ')', end_of_file), t)
^  Fail: (190) [user] is_delimiter(t)
   Call: (190) [system] ')'==t
   Fail: (190) [system] ')'==t
   Call: (190) [system] get_char((0x563acd73bee0), t)
   Exit: (190) [system] get_char((0x563acd73bee0), t)
   Call: (190) [system] t=(\)
   Fail: (190) [system] t=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), _1371760)
   Call: (191) [system] peek_char((0x563acd73bee0), _1372694)
   Exit: (191) [system] peek_char((0x563acd73bee0), *)
^  Call: (191) [user] is_delimiter(*)
   Call: (192) [system] char_type(*, space)
   Fail: (192) [system] char_type(*, space)
   Call: (192) [system] arg(_1377414, v('(', ')', end_of_file), *)
   Fail: (192) [system] arg(_1378346, v('(', ')', end_of_file), *)
^  Fail: (191) [user] is_delimiter(*)
   Call: (191) [system] ')'==(*)
   Fail: (191) [system] ')'==(*)
   Call: (191) [system] get_char((0x563acd73bee0), *)
   Exit: (191) [system] get_char((0x563acd73bee0), *)
   Call: (191) [system] (*)=(\)
   Fail: (191) [system] (*)=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), _1385696)
   Call: (192) [system] peek_char((0x563acd73bee0), _1386630)
   Exit: (192) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _1385696=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (191) [system] _1371760=[*]
   Exit: (191) [system] [*]=[*]
^  Exit: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), [*])
   Call: (190) [system] _1357824=[t, *]
   Exit: (190) [system] [t, *]=[t, *]
^  Exit: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, *])
   Call: (189) [system] _1343888=[e, t, *]
   Exit: (189) [system] [e, t, *]=[e, t, *]
^  Exit: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, t, *])
^  Call: (188) [user] classify_and_convert_charseq([l, e, t, *], _1308378)
^  Call: (189) [user] classify_and_convert_charseq_([l, e, t, *], _1404296)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_1405248, _1405250), once(user:catch(read_from_chars([l, e, t, *], _1404296), _1405230, fail)), '$restore_trace'(_1405248, _1405250))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_1405248, _1405250))
   Call: (190) [system] atom_chars(_3466, [l, e, t, *])
   Exit: (190) [system] atom_chars('let*', [l, e, t, *])
^  Exit: (189) [user] classify_and_convert_charseq_([l, e, t, *], 'let*')
   Call: (189) [system] integer('let*')
   Fail: (189) [system] integer('let*')
   Call: (189) [system] _3436='let*'
   Exit: (189) [system] 'let*'='let*'
^  Exit: (188) [user] classify_and_convert_charseq([l, e, t, *], 'let*')
^  Exit: (187) [user] read_symbolic(')', (0x563acd73bee0), l, 'let*')
^  Exit: (186) [user] cont_sexpr(')', (0x563acd73bee0), 'let*')
^  Call: (186) [user] read_list(')', (0x563acd73bee0), _12832)
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _14690)
   Exit: (188) [system] peek_char((0x563acd73bee0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x563acd73bee0), _24284)
   Exit: (188) [system] get_char((0x563acd73bee0), ' ')
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _26988)
   Exit: (189) [system] peek_char((0x563acd73bee0), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
   Call: (189) [system] '('=(/)
   Fail: (189) [system] '('=(/)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _43922)
   Exit: (187) [system] peek_char((0x563acd73bee0), '(')
   Call: (187) [system] '('=')'
   Fail: (187) [system] '('=')'
   Call: (187) [system] '('=end_of_file
   Fail: (187) [system] '('=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x563acd73bee0), _49492)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _51350)
   Exit: (189) [system] peek_char((0x563acd73bee0), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
   Call: (189) [system] '('=(/)
   Fail: (189) [system] '('=(/)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] get_char((0x563acd73bee0), _67360)
   Exit: (188) [system] get_char((0x563acd73bee0), '(')
   Call: (188) [system] '('='('
   Exit: (188) [system] '('='('
^  Call: (188) [user] read_list(')', (0x563acd73bee0), _49492)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _72930)
   Exit: (190) [system] peek_char((0x563acd73bee0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _88940)
   Exit: (189) [system] peek_char((0x563acd73bee0), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x563acd73bee0), _94510)
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _96368)
   Exit: (191) [system] peek_char((0x563acd73bee0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] get_char((0x563acd73bee0), _112378)
   Exit: (190) [system] get_char((0x563acd73bee0), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x563acd73bee0), _94510)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _117948)
   Exit: (192) [system] peek_char((0x563acd73bee0), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
   Call: (192) [system] '('=(/)
   Fail: (192) [system] '('=(/)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _133958)
   Exit: (191) [system] peek_char((0x563acd73bee0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x563acd73bee0), _139528)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _141386)
   Exit: (193) [system] peek_char((0x563acd73bee0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] get_char((0x563acd73bee0), _157396)
   Exit: (192) [system] get_char((0x563acd73bee0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _139528)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _162966)
   Exit: (194) [system] peek_char((0x563acd73bee0), :)
   Call: (194) [system] (:)=(;)
   Fail: (194) [system] (:)=(;)
   Call: (194) [system] (:)=(/)
   Fail: (194) [system] (:)=(/)
^  Call: (194) [user] is_like_space(:)
   Call: (195) [system] char_type(:, 'white')
   Fail: (195) [system] char_type(:, 'white')
   Call: (195) [system] char_type(:, end_of_line)
   Fail: (195) [system] char_type(:, end_of_line)
   Call: (195) [system] char_type(:, space)
   Fail: (195) [system] char_type(:, space)
   Call: (195) [system] char_type(:, cntrl)
   Fail: (195) [system] char_type(:, cntrl)
^  Fail: (194) [user] is_like_space(:)
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _178976)
   Exit: (193) [system] peek_char((0x563acd73bee0), :)
   Call: (193) [system] (:)=')'
   Fail: (193) [system] (:)=')'
   Call: (193) [system] (:)=end_of_file
   Fail: (193) [system] (:)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x563acd73bee0), _184546)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _186404)
   Exit: (195) [system] peek_char((0x563acd73bee0), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
   Call: (195) [system] (:)=(/)
   Fail: (195) [system] (:)=(/)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] get_char((0x563acd73bee0), _202414)
   Exit: (194) [system] get_char((0x563acd73bee0), :)
   Call: (194) [system] (:)='('
   Fail: (194) [system] (:)='('
   Call: (194) [system] (:)='['
   Fail: (194) [system] (:)='['
   Call: (194) [system] (:)='{'
   Fail: (194) [system] (:)='{'
   Call: (194) [system] (:)='"'
   Fail: (194) [system] (:)='"'
   Call: (194) [system] (:)=!
   Fail: (194) [system] (:)=!
   Call: (194) [system] (:)='\''
   Fail: (194) [system] (:)='\''
   Call: (194) [system] (:)='`'
   Fail: (194) [system] (:)='`'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x563acd73bee0), :, _184546)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _220056)
   Call: (196) [system] peek_char((0x563acd73bee0), _220990)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _220056=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (195) [user] classify_and_convert_charseq([:], _184546)
^  Call: (196) [user] classify_and_convert_charseq_([:], _230274)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_231226, _231228), once(user:catch(read_from_chars([:], _230274), _231208, fail)), '$restore_trace'(_231226, _231228))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_231226, _231228))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _231208, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(:)
   Exit: (197) [system] atomic(:)
^  Exit: (196) [user] classify_and_convert_charseq_([:], :)
   Call: (196) [system] integer(:)
   Fail: (196) [system] integer(:)
   Call: (196) [system] _184546=(:)
   Exit: (196) [system] (:)=(:)
^  Exit: (195) [user] classify_and_convert_charseq([:], :)
^  Exit: (194) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (193) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _243354)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _245212)
   Exit: (195) [system] peek_char((0x563acd73bee0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x563acd73bee0), _254806)
   Exit: (195) [system] get_char((0x563acd73bee0), ' ')
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _257510)
   Exit: (196) [system] peek_char((0x563acd73bee0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _274444)
   Exit: (194) [system] peek_char((0x563acd73bee0), $)
   Call: (194) [system] ($)=')'
   Fail: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x563acd73bee0), _280014)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _281872)
   Exit: (196) [system] peek_char((0x563acd73bee0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] get_char((0x563acd73bee0), _297882)
   Exit: (195) [system] get_char((0x563acd73bee0), $)
   Call: (195) [system] ($)='('
   Fail: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Fail: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Fail: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Fail: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Fail: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Fail: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Fail: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x563acd73bee0), $, _280014)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _315524)
   Call: (197) [system] peek_char((0x563acd73bee0), _316458)
   Exit: (197) [system] peek_char((0x563acd73bee0), r)
^  Call: (197) [user] is_delimiter(r)
   Call: (198) [system] char_type(r, space)
   Fail: (198) [system] char_type(r, space)
   Call: (198) [system] arg(_321178, v('(', ')', end_of_file), r)
   Fail: (198) [system] arg(_322110, v('(', ')', end_of_file), r)
^  Fail: (197) [user] is_delimiter(r)
   Call: (197) [system] ')'==r
   Fail: (197) [system] ')'==r
   Call: (197) [system] get_char((0x563acd73bee0), r)
   Exit: (197) [system] get_char((0x563acd73bee0), r)
   Call: (197) [system] r=(\)
   Fail: (197) [system] r=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _329460)
   Call: (198) [system] peek_char((0x563acd73bee0), _330394)
   Exit: (198) [system] peek_char((0x563acd73bee0), u)
^  Call: (198) [user] is_delimiter(u)
   Call: (199) [system] char_type(u, space)
   Fail: (199) [system] char_type(u, space)
   Call: (199) [system] arg(_335114, v('(', ')', end_of_file), u)
   Fail: (199) [system] arg(_336046, v('(', ')', end_of_file), u)
^  Fail: (198) [user] is_delimiter(u)
   Call: (198) [system] ')'==u
   Fail: (198) [system] ')'==u
   Call: (198) [system] get_char((0x563acd73bee0), u)
   Exit: (198) [system] get_char((0x563acd73bee0), u)
   Call: (198) [system] u=(\)
   Fail: (198) [system] u=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _343396)
   Call: (199) [system] peek_char((0x563acd73bee0), _344330)
   Exit: (199) [system] peek_char((0x563acd73bee0), c)
^  Call: (199) [user] is_delimiter(c)
   Call: (200) [system] char_type(c, space)
   Fail: (200) [system] char_type(c, space)
   Call: (200) [system] arg(_349050, v('(', ')', end_of_file), c)
   Fail: (200) [system] arg(_349982, v('(', ')', end_of_file), c)
^  Fail: (199) [user] is_delimiter(c)
   Call: (199) [system] ')'==c
   Fail: (199) [system] ')'==c
   Call: (199) [system] get_char((0x563acd73bee0), c)
   Exit: (199) [system] get_char((0x563acd73bee0), c)
   Call: (199) [system] c=(\)
   Fail: (199) [system] c=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _357332)
   Call: (200) [system] peek_char((0x563acd73bee0), _358266)
   Exit: (200) [system] peek_char((0x563acd73bee0), t)
^  Call: (200) [user] is_delimiter(t)
   Call: (201) [system] char_type(t, space)
   Fail: (201) [system] char_type(t, space)
   Call: (201) [system] arg(_362986, v('(', ')', end_of_file), t)
   Fail: (201) [system] arg(_363918, v('(', ')', end_of_file), t)
^  Fail: (200) [user] is_delimiter(t)
   Call: (200) [system] ')'==t
   Fail: (200) [system] ')'==t
   Call: (200) [system] get_char((0x563acd73bee0), t)
   Exit: (200) [system] get_char((0x563acd73bee0), t)
   Call: (200) [system] t=(\)
   Fail: (200) [system] t=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _371268)
   Call: (201) [system] peek_char((0x563acd73bee0), _372202)
   Exit: (201) [system] peek_char((0x563acd73bee0), o)
^  Call: (201) [user] is_delimiter(o)
   Call: (202) [system] char_type(o, space)
   Fail: (202) [system] char_type(o, space)
   Call: (202) [system] arg(_376922, v('(', ')', end_of_file), o)
   Fail: (202) [system] arg(_377854, v('(', ')', end_of_file), o)
^  Fail: (201) [user] is_delimiter(o)
   Call: (201) [system] ')'==o
   Fail: (201) [system] ')'==o
   Call: (201) [system] get_char((0x563acd73bee0), o)
   Exit: (201) [system] get_char((0x563acd73bee0), o)
   Call: (201) [system] o=(\)
   Fail: (201) [system] o=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _385204)
   Call: (202) [system] peek_char((0x563acd73bee0), _386138)
   Exit: (202) [system] peek_char((0x563acd73bee0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_390858, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_391790, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x563acd73bee0), r)
   Exit: (202) [system] get_char((0x563acd73bee0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _399140)
   Call: (203) [system] peek_char((0x563acd73bee0), _400074)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _399140=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (202) [system] _385204=[r]
   Exit: (202) [system] [r]=[r]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [r])
   Call: (201) [system] _371268=[o, r]
   Exit: (201) [system] [o, r]=[o, r]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, r])
   Call: (200) [system] _357332=[t, o, r]
   Exit: (200) [system] [t, o, r]=[t, o, r]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, o, r])
   Call: (199) [system] _343396=[c, t, o, r]
   Exit: (199) [system] [c, t, o, r]=[c, t, o, r]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, o, r])
   Call: (198) [system] _329460=[u, c, t, o, r]
   Exit: (198) [system] [u, c, t, o, r]=[u, c, t, o, r]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, o, r])
   Call: (197) [system] _315524=[r, u, c, t, o, r]
   Exit: (197) [system] [r, u, c, t, o, r]=[r, u, c, t, o, r]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, u, c, t, o, r])
^  Call: (196) [user] classify_and_convert_charseq([$, r, u, c, t, o, r], _280014)
^  Call: (197) [user] classify_and_convert_charseq_([$, r, u, c, t, o, r], _426122)
   Call: (198) [system] atom_chars(_427054, ['_', r, u, c, t, o, r])
   Exit: (198) [system] atom_chars('_ructor', ['_', r, u, c, t, o, r])
^  Exit: (197) [user] classify_and_convert_charseq_([$, r, u, c, t, o, r], _ructor)
   Call: (197) [system] integer(_ructor)
   Fail: (197) [system] integer(_ructor)
   Call: (197) [system] _280014=_ructor
   Exit: (197) [system] _ructor=_ructor
^  Exit: (196) [user] classify_and_convert_charseq([$, r, u, c, t, o, r], _ructor)
^  Exit: (195) [user] read_symbolic(')', (0x563acd73bee0), $, _ructor)
^  Exit: (194) [user] cont_sexpr(')', (0x563acd73bee0), _ructor)
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _436346)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _438204)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x563acd73bee0), _447798)
   Exit: (196) [system] get_char((0x563acd73bee0), ' ')
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _450502)
   Exit: (197) [system] peek_char((0x563acd73bee0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _467436)
   Exit: (195) [system] peek_char((0x563acd73bee0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x563acd73bee0), _473006)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _474864)
   Exit: (197) [system] peek_char((0x563acd73bee0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] get_char((0x563acd73bee0), _490874)
   Exit: (196) [system] get_char((0x563acd73bee0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x563acd73bee0), _473006)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _496444)
   Exit: (198) [system] peek_char((0x563acd73bee0), -)
   Call: (198) [system] (-)=(;)
   Fail: (198) [system] (-)=(;)
   Call: (198) [system] (-)=(/)
   Fail: (198) [system] (-)=(/)
^  Call: (198) [user] is_like_space(-)
   Call: (199) [system] char_type(-, 'white')
   Fail: (199) [system] char_type(-, 'white')
   Call: (199) [system] char_type(-, end_of_line)
   Fail: (199) [system] char_type(-, end_of_line)
   Call: (199) [system] char_type(-, space)
   Fail: (199) [system] char_type(-, space)
   Call: (199) [system] char_type(-, cntrl)
   Fail: (199) [system] char_type(-, cntrl)
^  Fail: (198) [user] is_like_space(-)
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _512454)
   Exit: (197) [system] peek_char((0x563acd73bee0), -)
   Call: (197) [system] (-)=')'
   Fail: (197) [system] (-)=')'
   Call: (197) [system] (-)=end_of_file
   Fail: (197) [system] (-)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x563acd73bee0), _518024)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _519882)
   Exit: (199) [system] peek_char((0x563acd73bee0), -)
   Call: (199) [system] (-)=(;)
   Fail: (199) [system] (-)=(;)
   Call: (199) [system] (-)=(/)
   Fail: (199) [system] (-)=(/)
^  Call: (199) [user] is_like_space(-)
   Call: (200) [system] char_type(-, 'white')
   Fail: (200) [system] char_type(-, 'white')
   Call: (200) [system] char_type(-, end_of_line)
   Fail: (200) [system] char_type(-, end_of_line)
   Call: (200) [system] char_type(-, space)
   Fail: (200) [system] char_type(-, space)
   Call: (200) [system] char_type(-, cntrl)
   Fail: (200) [system] char_type(-, cntrl)
^  Fail: (199) [user] is_like_space(-)
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] get_char((0x563acd73bee0), _535892)
   Exit: (198) [system] get_char((0x563acd73bee0), -)
   Call: (198) [system] (-)='('
   Fail: (198) [system] (-)='('
   Call: (198) [system] (-)='['
   Fail: (198) [system] (-)='['
   Call: (198) [system] (-)='{'
   Fail: (198) [system] (-)='{'
   Call: (198) [system] (-)='"'
   Fail: (198) [system] (-)='"'
   Call: (198) [system] (-)=!
   Fail: (198) [system] (-)=!
   Call: (198) [system] (-)='\''
   Fail: (198) [system] (-)='\''
   Call: (198) [system] (-)='`'
   Fail: (198) [system] (-)='`'
   Call: (198) [system] (-)=end_of_file
   Fail: (198) [system] (-)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x563acd73bee0), -, _518024)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _553534)
   Call: (200) [system] peek_char((0x563acd73bee0), _554468)
   Exit: (200) [system] peek_char((0x563acd73bee0), >)
^  Call: (200) [user] is_delimiter(>)
   Call: (201) [system] char_type(>, space)
   Fail: (201) [system] char_type(>, space)
   Call: (201) [system] arg(_559188, v('(', ')', end_of_file), >)
   Fail: (201) [system] arg(_560120, v('(', ')', end_of_file), >)
^  Fail: (200) [user] is_delimiter(>)
   Call: (200) [system] ')'==(>)
   Fail: (200) [system] ')'==(>)
   Call: (200) [system] get_char((0x563acd73bee0), >)
   Exit: (200) [system] get_char((0x563acd73bee0), >)
   Call: (200) [system] (>)=(\)
   Fail: (200) [system] (>)=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _567470)
   Call: (201) [system] peek_char((0x563acd73bee0), _568404)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (201) [user] is_delimiter(' ')
   Call: (202) [system] char_type(' ', space)
   Exit: (202) [system] char_type(' ', space)
^  Exit: (201) [user] is_delimiter(' ')
   Call: (201) [system] _567470=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (200) [system] _553534=[>]
   Exit: (200) [system] [>]=[>]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [>])
^  Call: (199) [user] classify_and_convert_charseq([-, >], _518024)
^  Call: (200) [user] classify_and_convert_charseq_([-, >], _580482)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_581434, _581436), once(user:catch(read_from_chars([-, >], _580482), _581416, fail)), '$restore_trace'(_581434, _581436))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_581434, _581436))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _581416, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(->)
   Exit: (201) [system] atomic(->)
^  Exit: (200) [user] classify_and_convert_charseq_([-, >], ->)
   Call: (200) [system] integer(->)
   Fail: (200) [system] integer(->)
   Call: (200) [system] _518024=(->)
   Exit: (200) [system] (->)=(->)
^  Exit: (199) [user] classify_and_convert_charseq([-, >], ->)
^  Exit: (198) [user] read_symbolic(')', (0x563acd73bee0), -, ->)
^  Exit: (197) [user] cont_sexpr(')', (0x563acd73bee0), ->)
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _593562)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _595420)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x563acd73bee0), _605014)
   Exit: (199) [system] get_char((0x563acd73bee0), ' ')
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _607718)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _624652)
   Exit: (198) [system] peek_char((0x563acd73bee0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x563acd73bee0), _630222)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _632080)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] get_char((0x563acd73bee0), _648090)
   Exit: (199) [system] get_char((0x563acd73bee0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x563acd73bee0), $, _630222)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _665732)
   Call: (201) [system] peek_char((0x563acd73bee0), _666666)
   Exit: (201) [system] peek_char((0x563acd73bee0), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_671386, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_672318, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x563acd73bee0), p)
   Exit: (201) [system] get_char((0x563acd73bee0), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _679668)
   Call: (202) [system] peek_char((0x563acd73bee0), _680602)
   Exit: (202) [system] peek_char((0x563acd73bee0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_685322, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_686254, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x563acd73bee0), r)
   Exit: (202) [system] get_char((0x563acd73bee0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _693604)
   Call: (203) [system] peek_char((0x563acd73bee0), _694538)
   Exit: (203) [system] peek_char((0x563acd73bee0), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Fail: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_699258, v('(', ')', end_of_file), e)
   Fail: (204) [system] arg(_700190, v('(', ')', end_of_file), e)
^  Fail: (203) [user] is_delimiter(e)
   Call: (203) [system] ')'==e
   Fail: (203) [system] ')'==e
   Call: (203) [system] get_char((0x563acd73bee0), e)
   Exit: (203) [system] get_char((0x563acd73bee0), e)
   Call: (203) [system] e=(\)
   Fail: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _707540)
   Call: (204) [system] peek_char((0x563acd73bee0), _708474)
   Exit: (204) [system] peek_char((0x563acd73bee0), m)
^  Call: (204) [user] is_delimiter(m)
   Call: (205) [system] char_type(m, space)
   Fail: (205) [system] char_type(m, space)
   Call: (205) [system] arg(_713194, v('(', ')', end_of_file), m)
   Fail: (205) [system] arg(_714126, v('(', ')', end_of_file), m)
^  Fail: (204) [user] is_delimiter(m)
   Call: (204) [system] ')'==m
   Fail: (204) [system] ')'==m
   Call: (204) [system] get_char((0x563acd73bee0), m)
   Exit: (204) [system] get_char((0x563acd73bee0), m)
   Call: (204) [system] m=(\)
   Fail: (204) [system] m=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _721476)
   Call: (205) [system] peek_char((0x563acd73bee0), _722410)
   Exit: (205) [system] peek_char((0x563acd73bee0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_727130, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_728062, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x563acd73bee0), i)
   Exit: (205) [system] get_char((0x563acd73bee0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _735412)
   Call: (206) [system] peek_char((0x563acd73bee0), _736346)
   Exit: (206) [system] peek_char((0x563acd73bee0), s)
^  Call: (206) [user] is_delimiter(s)
   Call: (207) [system] char_type(s, space)
   Fail: (207) [system] char_type(s, space)
   Call: (207) [system] arg(_741066, v('(', ')', end_of_file), s)
   Fail: (207) [system] arg(_741998, v('(', ')', end_of_file), s)
^  Fail: (206) [user] is_delimiter(s)
   Call: (206) [system] ')'==s
   Fail: (206) [system] ')'==s
   Call: (206) [system] get_char((0x563acd73bee0), s)
   Exit: (206) [system] get_char((0x563acd73bee0), s)
   Call: (206) [system] s=(\)
   Fail: (206) [system] s=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _749348)
   Call: (207) [system] peek_char((0x563acd73bee0), _750282)
   Exit: (207) [system] peek_char((0x563acd73bee0), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_755002, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_755934, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x563acd73bee0), e)
   Exit: (207) [system] get_char((0x563acd73bee0), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _763284)
   Call: (208) [system] peek_char((0x563acd73bee0), _764218)
   Exit: (208) [system] peek_char((0x563acd73bee0), '1')
^  Call: (208) [user] is_delimiter('1')
   Call: (209) [system] char_type('1', space)
   Fail: (209) [system] char_type('1', space)
   Call: (209) [system] arg(_768938, v('(', ')', end_of_file), '1')
   Fail: (209) [system] arg(_769870, v('(', ')', end_of_file), '1')
^  Fail: (208) [user] is_delimiter('1')
   Call: (208) [system] ')'=='1'
   Fail: (208) [system] ')'=='1'
   Call: (208) [system] get_char((0x563acd73bee0), '1')
   Exit: (208) [system] get_char((0x563acd73bee0), '1')
   Call: (208) [system] '1'=(\)
   Fail: (208) [system] '1'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _777220)
   Call: (209) [system] peek_char((0x563acd73bee0), _778154)
   Exit: (209) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _777220=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (208) [system] _763284=['1']
   Exit: (208) [system] ['1']=['1']
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), ['1'])
   Call: (207) [system] _749348=[e, '1']
   Exit: (207) [system] [e, '1']=[e, '1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, '1'])
   Call: (206) [system] _735412=[s, e, '1']
   Exit: (206) [system] [s, e, '1']=[s, e, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, e, '1'])
   Call: (205) [system] _721476=[i, s, e, '1']
   Exit: (205) [system] [i, s, e, '1']=[i, s, e, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, e, '1'])
   Call: (204) [system] _707540=[m, i, s, e, '1']
   Exit: (204) [system] [m, i, s, e, '1']=[m, i, s, e, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, i, s, e, '1'])
   Call: (203) [system] _693604=[e, m, i, s, e, '1']
   Exit: (203) [system] [e, m, i, s, e, '1']=[e, m, i, s, e, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, m, i, s, e, '1'])
   Call: (202) [system] _679668=[r, e, m, i, s, e, '1']
   Exit: (202) [system] [r, e, m, i, s, e, '1']=[r, e, m, i, s, e, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, e, m, i, s, e, '1'])
   Call: (201) [system] _665732=[p, r, e, m, i, s, e, '1']
   Exit: (201) [system] [p, r, e, m, i, s, e, '1']=[p, r, e, m, i, s, e, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, e, m, i, s, e, '1'])
^  Call: (200) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _630222)
^  Call: (201) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _809790)
   Call: (202) [system] atom_chars(_810722, ['_', p, r, e, m, i, s, e, '1'])
   Exit: (202) [system] atom_chars('_premise1', ['_', p, r, e, m, i, s, e, '1'])
^  Exit: (201) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _premise1)
   Call: (201) [system] integer(_premise1)
   Fail: (201) [system] integer(_premise1)
   Call: (201) [system] _630222=_premise1
   Exit: (201) [system] _premise1=_premise1
^  Exit: (200) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _premise1)
^  Exit: (199) [user] read_symbolic(')', (0x563acd73bee0), $, _premise1)
^  Exit: (198) [user] cont_sexpr(')', (0x563acd73bee0), _premise1)
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _820014)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _821872)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x563acd73bee0), _831466)
   Exit: (200) [system] get_char((0x563acd73bee0), ' ')
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _834170)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _851104)
   Exit: (199) [system] peek_char((0x563acd73bee0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x563acd73bee0), _856674)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _858532)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] get_char((0x563acd73bee0), _874542)
   Exit: (200) [system] get_char((0x563acd73bee0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x563acd73bee0), $, _856674)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _892184)
   Call: (202) [system] peek_char((0x563acd73bee0), _893118)
   Exit: (202) [system] peek_char((0x563acd73bee0), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Fail: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_897838, v('(', ')', end_of_file), p)
   Fail: (203) [system] arg(_898770, v('(', ')', end_of_file), p)
^  Fail: (202) [user] is_delimiter(p)
   Call: (202) [system] ')'==p
   Fail: (202) [system] ')'==p
   Call: (202) [system] get_char((0x563acd73bee0), p)
   Exit: (202) [system] get_char((0x563acd73bee0), p)
   Call: (202) [system] p=(\)
   Fail: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _906120)
   Call: (203) [system] peek_char((0x563acd73bee0), _907054)
   Exit: (203) [system] peek_char((0x563acd73bee0), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_911774, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_912706, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x563acd73bee0), r)
   Exit: (203) [system] get_char((0x563acd73bee0), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _920056)
   Call: (204) [system] peek_char((0x563acd73bee0), _920990)
   Exit: (204) [system] peek_char((0x563acd73bee0), e)
^  Call: (204) [user] is_delimiter(e)
   Call: (205) [system] char_type(e, space)
   Fail: (205) [system] char_type(e, space)
   Call: (205) [system] arg(_925710, v('(', ')', end_of_file), e)
   Fail: (205) [system] arg(_926642, v('(', ')', end_of_file), e)
^  Fail: (204) [user] is_delimiter(e)
   Call: (204) [system] ')'==e
   Fail: (204) [system] ')'==e
   Call: (204) [system] get_char((0x563acd73bee0), e)
   Exit: (204) [system] get_char((0x563acd73bee0), e)
   Call: (204) [system] e=(\)
   Fail: (204) [system] e=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _933992)
   Call: (205) [system] peek_char((0x563acd73bee0), _934926)
   Exit: (205) [system] peek_char((0x563acd73bee0), m)
^  Call: (205) [user] is_delimiter(m)
   Call: (206) [system] char_type(m, space)
   Fail: (206) [system] char_type(m, space)
   Call: (206) [system] arg(_939646, v('(', ')', end_of_file), m)
   Fail: (206) [system] arg(_940578, v('(', ')', end_of_file), m)
^  Fail: (205) [user] is_delimiter(m)
   Call: (205) [system] ')'==m
   Fail: (205) [system] ')'==m
   Call: (205) [system] get_char((0x563acd73bee0), m)
   Exit: (205) [system] get_char((0x563acd73bee0), m)
   Call: (205) [system] m=(\)
   Fail: (205) [system] m=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _947928)
   Call: (206) [system] peek_char((0x563acd73bee0), _948862)
   Exit: (206) [system] peek_char((0x563acd73bee0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_953582, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_954514, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x563acd73bee0), i)
   Exit: (206) [system] get_char((0x563acd73bee0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _961864)
   Call: (207) [system] peek_char((0x563acd73bee0), _962798)
   Exit: (207) [system] peek_char((0x563acd73bee0), s)
^  Call: (207) [user] is_delimiter(s)
   Call: (208) [system] char_type(s, space)
   Fail: (208) [system] char_type(s, space)
   Call: (208) [system] arg(_967518, v('(', ')', end_of_file), s)
   Fail: (208) [system] arg(_968450, v('(', ')', end_of_file), s)
^  Fail: (207) [user] is_delimiter(s)
   Call: (207) [system] ')'==s
   Fail: (207) [system] ')'==s
   Call: (207) [system] get_char((0x563acd73bee0), s)
   Exit: (207) [system] get_char((0x563acd73bee0), s)
   Call: (207) [system] s=(\)
   Fail: (207) [system] s=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _975800)
   Call: (208) [system] peek_char((0x563acd73bee0), _976734)
   Exit: (208) [system] peek_char((0x563acd73bee0), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Fail: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_981454, v('(', ')', end_of_file), e)
   Fail: (209) [system] arg(_982386, v('(', ')', end_of_file), e)
^  Fail: (208) [user] is_delimiter(e)
   Call: (208) [system] ')'==e
   Fail: (208) [system] ')'==e
   Call: (208) [system] get_char((0x563acd73bee0), e)
   Exit: (208) [system] get_char((0x563acd73bee0), e)
   Call: (208) [system] e=(\)
   Fail: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _989736)
   Call: (209) [system] peek_char((0x563acd73bee0), _990670)
   Exit: (209) [system] peek_char((0x563acd73bee0), '2')
^  Call: (209) [user] is_delimiter('2')
   Call: (210) [system] char_type('2', space)
   Fail: (210) [system] char_type('2', space)
   Call: (210) [system] arg(_995390, v('(', ')', end_of_file), '2')
   Fail: (210) [system] arg(_996322, v('(', ')', end_of_file), '2')
^  Fail: (209) [user] is_delimiter('2')
   Call: (209) [system] ')'=='2'
   Fail: (209) [system] ')'=='2'
   Call: (209) [system] get_char((0x563acd73bee0), '2')
   Exit: (209) [system] get_char((0x563acd73bee0), '2')
   Call: (209) [system] '2'=(\)
   Fail: (209) [system] '2'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1003672)
   Call: (210) [system] peek_char((0x563acd73bee0), _1004606)
   Exit: (210) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1003672=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (209) [system] _989736=['2']
   Exit: (209) [system] ['2']=['2']
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), ['2'])
   Call: (208) [system] _975800=[e, '2']
   Exit: (208) [system] [e, '2']=[e, '2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, '2'])
   Call: (207) [system] _961864=[s, e, '2']
   Exit: (207) [system] [s, e, '2']=[s, e, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, e, '2'])
   Call: (206) [system] _947928=[i, s, e, '2']
   Exit: (206) [system] [i, s, e, '2']=[i, s, e, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, e, '2'])
   Call: (205) [system] _933992=[m, i, s, e, '2']
   Exit: (205) [system] [m, i, s, e, '2']=[m, i, s, e, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, i, s, e, '2'])
   Call: (204) [system] _920056=[e, m, i, s, e, '2']
   Exit: (204) [system] [e, m, i, s, e, '2']=[e, m, i, s, e, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, m, i, s, e, '2'])
   Call: (203) [system] _906120=[r, e, m, i, s, e, '2']
   Exit: (203) [system] [r, e, m, i, s, e, '2']=[r, e, m, i, s, e, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, e, m, i, s, e, '2'])
   Call: (202) [system] _892184=[p, r, e, m, i, s, e, '2']
   Exit: (202) [system] [p, r, e, m, i, s, e, '2']=[p, r, e, m, i, s, e, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, e, m, i, s, e, '2'])
^  Call: (201) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _856674)
^  Call: (202) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _1036242)
   Call: (203) [system] atom_chars(_1037174, ['_', p, r, e, m, i, s, e, '2'])
   Exit: (203) [system] atom_chars('_premise2', ['_', p, r, e, m, i, s, e, '2'])
^  Exit: (202) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _premise2)
   Call: (202) [system] integer(_premise2)
   Fail: (202) [system] integer(_premise2)
   Call: (202) [system] _856674=_premise2
   Exit: (202) [system] _premise2=_premise2
^  Exit: (201) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _premise2)
^  Exit: (200) [user] read_symbolic(')', (0x563acd73bee0), $, _premise2)
^  Exit: (199) [user] cont_sexpr(')', (0x563acd73bee0), _premise2)
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _1046466)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1048324)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _1057918)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1060622)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1077556)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x563acd73bee0), _1083126)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1084984)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] get_char((0x563acd73bee0), _1100994)
   Exit: (201) [system] get_char((0x563acd73bee0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x563acd73bee0), $, _1083126)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1118636)
   Call: (203) [system] peek_char((0x563acd73bee0), _1119570)
   Exit: (203) [system] peek_char((0x563acd73bee0), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Fail: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_1124290, v('(', ')', end_of_file), p)
   Fail: (204) [system] arg(_1125222, v('(', ')', end_of_file), p)
^  Fail: (203) [user] is_delimiter(p)
   Call: (203) [system] ')'==p
   Fail: (203) [system] ')'==p
   Call: (203) [system] get_char((0x563acd73bee0), p)
   Exit: (203) [system] get_char((0x563acd73bee0), p)
   Call: (203) [system] p=(\)
   Fail: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1132572)
   Call: (204) [system] peek_char((0x563acd73bee0), _1133506)
   Exit: (204) [system] peek_char((0x563acd73bee0), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_1138226, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_1139158, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x563acd73bee0), r)
   Exit: (204) [system] get_char((0x563acd73bee0), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1146508)
   Call: (205) [system] peek_char((0x563acd73bee0), _1147442)
   Exit: (205) [system] peek_char((0x563acd73bee0), e)
^  Call: (205) [user] is_delimiter(e)
   Call: (206) [system] char_type(e, space)
   Fail: (206) [system] char_type(e, space)
   Call: (206) [system] arg(_1152162, v('(', ')', end_of_file), e)
   Fail: (206) [system] arg(_1153094, v('(', ')', end_of_file), e)
^  Fail: (205) [user] is_delimiter(e)
   Call: (205) [system] ')'==e
   Fail: (205) [system] ')'==e
   Call: (205) [system] get_char((0x563acd73bee0), e)
   Exit: (205) [system] get_char((0x563acd73bee0), e)
   Call: (205) [system] e=(\)
   Fail: (205) [system] e=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1160444)
   Call: (206) [system] peek_char((0x563acd73bee0), _1161378)
   Exit: (206) [system] peek_char((0x563acd73bee0), m)
^  Call: (206) [user] is_delimiter(m)
   Call: (207) [system] char_type(m, space)
   Fail: (207) [system] char_type(m, space)
   Call: (207) [system] arg(_1166098, v('(', ')', end_of_file), m)
   Fail: (207) [system] arg(_1167030, v('(', ')', end_of_file), m)
^  Fail: (206) [user] is_delimiter(m)
   Call: (206) [system] ')'==m
   Fail: (206) [system] ')'==m
   Call: (206) [system] get_char((0x563acd73bee0), m)
   Exit: (206) [system] get_char((0x563acd73bee0), m)
   Call: (206) [system] m=(\)
   Fail: (206) [system] m=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1174380)
   Call: (207) [system] peek_char((0x563acd73bee0), _1175314)
   Exit: (207) [system] peek_char((0x563acd73bee0), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Fail: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_1180034, v('(', ')', end_of_file), i)
   Fail: (208) [system] arg(_1180966, v('(', ')', end_of_file), i)
^  Fail: (207) [user] is_delimiter(i)
   Call: (207) [system] ')'==i
   Fail: (207) [system] ')'==i
   Call: (207) [system] get_char((0x563acd73bee0), i)
   Exit: (207) [system] get_char((0x563acd73bee0), i)
   Call: (207) [system] i=(\)
   Fail: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1188316)
   Call: (208) [system] peek_char((0x563acd73bee0), _1189250)
   Exit: (208) [system] peek_char((0x563acd73bee0), s)
^  Call: (208) [user] is_delimiter(s)
   Call: (209) [system] char_type(s, space)
   Fail: (209) [system] char_type(s, space)
   Call: (209) [system] arg(_1193970, v('(', ')', end_of_file), s)
   Fail: (209) [system] arg(_1194902, v('(', ')', end_of_file), s)
^  Fail: (208) [user] is_delimiter(s)
   Call: (208) [system] ')'==s
   Fail: (208) [system] ')'==s
   Call: (208) [system] get_char((0x563acd73bee0), s)
   Exit: (208) [system] get_char((0x563acd73bee0), s)
   Call: (208) [system] s=(\)
   Fail: (208) [system] s=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1202252)
   Call: (209) [system] peek_char((0x563acd73bee0), _1203186)
   Exit: (209) [system] peek_char((0x563acd73bee0), e)
^  Call: (209) [user] is_delimiter(e)
   Call: (210) [system] char_type(e, space)
   Fail: (210) [system] char_type(e, space)
   Call: (210) [system] arg(_1207906, v('(', ')', end_of_file), e)
   Fail: (210) [system] arg(_1208838, v('(', ')', end_of_file), e)
^  Fail: (209) [user] is_delimiter(e)
   Call: (209) [system] ')'==e
   Fail: (209) [system] ')'==e
   Call: (209) [system] get_char((0x563acd73bee0), e)
   Exit: (209) [system] get_char((0x563acd73bee0), e)
   Call: (209) [system] e=(\)
   Fail: (209) [system] e=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1216188)
   Call: (210) [system] peek_char((0x563acd73bee0), _1217122)
   Exit: (210) [system] peek_char((0x563acd73bee0), '3')
^  Call: (210) [user] is_delimiter('3')
   Call: (211) [system] char_type('3', space)
   Fail: (211) [system] char_type('3', space)
   Call: (211) [system] arg(_1221842, v('(', ')', end_of_file), '3')
   Fail: (211) [system] arg(_1222774, v('(', ')', end_of_file), '3')
^  Fail: (210) [user] is_delimiter('3')
   Call: (210) [system] ')'=='3'
   Fail: (210) [system] ')'=='3'
   Call: (210) [system] get_char((0x563acd73bee0), '3')
   Exit: (210) [system] get_char((0x563acd73bee0), '3')
   Call: (210) [system] '3'=(\)
   Fail: (210) [system] '3'=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1230124)
   Call: (211) [system] peek_char((0x563acd73bee0), _1231058)
   Exit: (211) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _1230124=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (210) [system] _1216188=['3']
   Exit: (210) [system] ['3']=['3']
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), ['3'])
   Call: (209) [system] _1202252=[e, '3']
   Exit: (209) [system] [e, '3']=[e, '3']
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, '3'])
   Call: (208) [system] _1188316=[s, e, '3']
   Exit: (208) [system] [s, e, '3']=[s, e, '3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, e, '3'])
   Call: (207) [system] _1174380=[i, s, e, '3']
   Exit: (207) [system] [i, s, e, '3']=[i, s, e, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, e, '3'])
   Call: (206) [system] _1160444=[m, i, s, e, '3']
   Exit: (206) [system] [m, i, s, e, '3']=[m, i, s, e, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, i, s, e, '3'])
   Call: (205) [system] _1146508=[e, m, i, s, e, '3']
   Exit: (205) [system] [e, m, i, s, e, '3']=[e, m, i, s, e, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, m, i, s, e, '3'])
   Call: (204) [system] _1132572=[r, e, m, i, s, e, '3']
   Exit: (204) [system] [r, e, m, i, s, e, '3']=[r, e, m, i, s, e, '3']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, e, m, i, s, e, '3'])
   Call: (203) [system] _1118636=[p, r, e, m, i, s, e, '3']
   Exit: (203) [system] [p, r, e, m, i, s, e, '3']=[p, r, e, m, i, s, e, '3']
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, e, m, i, s, e, '3'])
^  Call: (202) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '3'], _1083126)
^  Call: (203) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '3'], _1262694)
   Call: (204) [system] atom_chars(_1263626, ['_', p, r, e, m, i, s, e, '3'])
   Exit: (204) [system] atom_chars('_premise3', ['_', p, r, e, m, i, s, e, '3'])
^  Exit: (203) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '3'], _premise3)
   Call: (203) [system] integer(_premise3)
   Fail: (203) [system] integer(_premise3)
   Call: (203) [system] _1083126=_premise3
   Exit: (203) [system] _premise3=_premise3
^  Exit: (202) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '3'], _premise3)
^  Exit: (201) [user] read_symbolic(')', (0x563acd73bee0), $, _premise3)
^  Exit: (200) [user] cont_sexpr(')', (0x563acd73bee0), _premise3)
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _1272918)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1274776)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x563acd73bee0), _1284370)
   Exit: (202) [system] get_char((0x563acd73bee0), ' ')
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1287074)
   Exit: (203) [system] peek_char((0x563acd73bee0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1304008)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x563acd73bee0), _1309578)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1311436)
   Exit: (203) [system] peek_char((0x563acd73bee0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] get_char((0x563acd73bee0), _1327446)
   Exit: (202) [system] get_char((0x563acd73bee0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x563acd73bee0), $, _1309578)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1345088)
   Call: (204) [system] peek_char((0x563acd73bee0), _1346022)
   Exit: (204) [system] peek_char((0x563acd73bee0), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Fail: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_1350742, v('(', ')', end_of_file), p)
   Fail: (205) [system] arg(_1351674, v('(', ')', end_of_file), p)
^  Fail: (204) [user] is_delimiter(p)
   Call: (204) [system] ')'==p
   Fail: (204) [system] ')'==p
   Call: (204) [system] get_char((0x563acd73bee0), p)
   Exit: (204) [system] get_char((0x563acd73bee0), p)
   Call: (204) [system] p=(\)
   Fail: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1359024)
   Call: (205) [system] peek_char((0x563acd73bee0), _1359958)
   Exit: (205) [system] peek_char((0x563acd73bee0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_1364678, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_1365610, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x563acd73bee0), r)
   Exit: (205) [system] get_char((0x563acd73bee0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1372960)
   Call: (206) [system] peek_char((0x563acd73bee0), _1373894)
   Exit: (206) [system] peek_char((0x563acd73bee0), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Fail: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_1378614, v('(', ')', end_of_file), e)
   Fail: (207) [system] arg(_1379546, v('(', ')', end_of_file), e)
^  Fail: (206) [user] is_delimiter(e)
   Call: (206) [system] ')'==e
   Fail: (206) [system] ')'==e
   Call: (206) [system] get_char((0x563acd73bee0), e)
   Exit: (206) [system] get_char((0x563acd73bee0), e)
   Call: (206) [system] e=(\)
   Fail: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1386896)
   Call: (207) [system] peek_char((0x563acd73bee0), _1387830)
   Exit: (207) [system] peek_char((0x563acd73bee0), m)
^  Call: (207) [user] is_delimiter(m)
   Call: (208) [system] char_type(m, space)
   Fail: (208) [system] char_type(m, space)
   Call: (208) [system] arg(_1392550, v('(', ')', end_of_file), m)
   Fail: (208) [system] arg(_1393482, v('(', ')', end_of_file), m)
^  Fail: (207) [user] is_delimiter(m)
   Call: (207) [system] ')'==m
   Fail: (207) [system] ')'==m
   Call: (207) [system] get_char((0x563acd73bee0), m)
   Exit: (207) [system] get_char((0x563acd73bee0), m)
   Call: (207) [system] m=(\)
   Fail: (207) [system] m=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1400832)
   Call: (208) [system] peek_char((0x563acd73bee0), _1401766)
   Exit: (208) [system] peek_char((0x563acd73bee0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_1406486, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_1407418, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x563acd73bee0), i)
   Exit: (208) [system] get_char((0x563acd73bee0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1414768)
   Call: (209) [system] peek_char((0x563acd73bee0), _1415702)
   Exit: (209) [system] peek_char((0x563acd73bee0), s)
^  Call: (209) [user] is_delimiter(s)
   Call: (210) [system] char_type(s, space)
   Fail: (210) [system] char_type(s, space)
   Call: (210) [system] arg(_1420422, v('(', ')', end_of_file), s)
   Fail: (210) [system] arg(_1421354, v('(', ')', end_of_file), s)
^  Fail: (209) [user] is_delimiter(s)
   Call: (209) [system] ')'==s
   Fail: (209) [system] ')'==s
   Call: (209) [system] get_char((0x563acd73bee0), s)
   Exit: (209) [system] get_char((0x563acd73bee0), s)
   Call: (209) [system] s=(\)
   Fail: (209) [system] s=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1428704)
   Call: (210) [system] peek_char((0x563acd73bee0), _1429638)
   Exit: (210) [system] peek_char((0x563acd73bee0), e)
^  Call: (210) [user] is_delimiter(e)
   Call: (211) [system] char_type(e, space)
   Fail: (211) [system] char_type(e, space)
   Call: (211) [system] arg(_1434358, v('(', ')', end_of_file), e)
   Fail: (211) [system] arg(_1435290, v('(', ')', end_of_file), e)
^  Fail: (210) [user] is_delimiter(e)
   Call: (210) [system] ')'==e
   Fail: (210) [system] ')'==e
   Call: (210) [system] get_char((0x563acd73bee0), e)
   Exit: (210) [system] get_char((0x563acd73bee0), e)
   Call: (210) [system] e=(\)
   Fail: (210) [system] e=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1442640)
   Call: (211) [system] peek_char((0x563acd73bee0), _1443574)
   Exit: (211) [system] peek_char((0x563acd73bee0), '4')
^  Call: (211) [user] is_delimiter('4')
   Call: (212) [system] char_type('4', space)
   Fail: (212) [system] char_type('4', space)
   Call: (212) [system] arg(_1448294, v('(', ')', end_of_file), '4')
   Fail: (212) [system] arg(_1449226, v('(', ')', end_of_file), '4')
^  Fail: (211) [user] is_delimiter('4')
   Call: (211) [system] ')'=='4'
   Fail: (211) [system] ')'=='4'
   Call: (211) [system] get_char((0x563acd73bee0), '4')
   Exit: (211) [system] get_char((0x563acd73bee0), '4')
   Call: (211) [system] '4'=(\)
   Fail: (211) [system] '4'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1456576)
   Call: (212) [system] peek_char((0x563acd73bee0), _1457510)
   Exit: (212) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _1456576=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (211) [system] _1442640=['4']
   Exit: (211) [system] ['4']=['4']
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), ['4'])
   Call: (210) [system] _1428704=[e, '4']
   Exit: (210) [system] [e, '4']=[e, '4']
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, '4'])
   Call: (209) [system] _1414768=[s, e, '4']
   Exit: (209) [system] [s, e, '4']=[s, e, '4']
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, e, '4'])
   Call: (208) [system] _1400832=[i, s, e, '4']
   Exit: (208) [system] [i, s, e, '4']=[i, s, e, '4']
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, e, '4'])
   Call: (207) [system] _1386896=[m, i, s, e, '4']
   Exit: (207) [system] [m, i, s, e, '4']=[m, i, s, e, '4']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, i, s, e, '4'])
   Call: (206) [system] _1372960=[e, m, i, s, e, '4']
   Exit: (206) [system] [e, m, i, s, e, '4']=[e, m, i, s, e, '4']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, m, i, s, e, '4'])
   Call: (205) [system] _1359024=[r, e, m, i, s, e, '4']
   Exit: (205) [system] [r, e, m, i, s, e, '4']=[r, e, m, i, s, e, '4']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, e, m, i, s, e, '4'])
   Call: (204) [system] _1345088=[p, r, e, m, i, s, e, '4']
   Exit: (204) [system] [p, r, e, m, i, s, e, '4']=[p, r, e, m, i, s, e, '4']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, e, m, i, s, e, '4'])
^  Call: (203) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '4'], _1309578)
^  Call: (204) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '4'], _1489146)
   Call: (205) [system] atom_chars(_1490078, ['_', p, r, e, m, i, s, e, '4'])
   Exit: (205) [system] atom_chars('_premise4', ['_', p, r, e, m, i, s, e, '4'])
^  Exit: (204) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '4'], _premise4)
   Call: (204) [system] integer(_premise4)
   Fail: (204) [system] integer(_premise4)
   Call: (204) [system] _1309578=_premise4
   Exit: (204) [system] _premise4=_premise4
^  Exit: (203) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '4'], _premise4)
^  Exit: (202) [user] read_symbolic(')', (0x563acd73bee0), $, _premise4)
^  Exit: (201) [user] cont_sexpr(')', (0x563acd73bee0), _premise4)
^  Call: (201) [user] read_list(')', (0x563acd73bee0), _1499370)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1501228)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x563acd73bee0), _1510822)
   Exit: (203) [system] get_char((0x563acd73bee0), ' ')
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1513526)
   Exit: (204) [system] peek_char((0x563acd73bee0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1530460)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=')'
   Fail: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x563acd73bee0), _1536030)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1537888)
   Exit: (204) [system] peek_char((0x563acd73bee0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] get_char((0x563acd73bee0), _1553898)
   Exit: (203) [system] get_char((0x563acd73bee0), $)
   Call: (203) [system] ($)='('
   Fail: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Fail: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Fail: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Fail: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Fail: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Fail: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Fail: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x563acd73bee0), $, _1536030)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1571540)
   Call: (205) [system] peek_char((0x563acd73bee0), _1572474)
   Exit: (205) [system] peek_char((0x563acd73bee0), c)
^  Call: (205) [user] is_delimiter(c)
   Call: (206) [system] char_type(c, space)
   Fail: (206) [system] char_type(c, space)
   Call: (206) [system] arg(_1577194, v('(', ')', end_of_file), c)
   Fail: (206) [system] arg(_1578126, v('(', ')', end_of_file), c)
^  Fail: (205) [user] is_delimiter(c)
   Call: (205) [system] ')'==c
   Fail: (205) [system] ')'==c
   Call: (205) [system] get_char((0x563acd73bee0), c)
   Exit: (205) [system] get_char((0x563acd73bee0), c)
   Call: (205) [system] c=(\)
   Fail: (205) [system] c=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1585476)
   Call: (206) [system] peek_char((0x563acd73bee0), _1586410)
   Exit: (206) [system] peek_char((0x563acd73bee0), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_1591130, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_1592062, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x563acd73bee0), o)
   Exit: (206) [system] get_char((0x563acd73bee0), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1599412)
   Call: (207) [system] peek_char((0x563acd73bee0), _1600346)
   Exit: (207) [system] peek_char((0x563acd73bee0), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Fail: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_1605066, v('(', ')', end_of_file), n)
   Fail: (208) [system] arg(_1605998, v('(', ')', end_of_file), n)
^  Fail: (207) [user] is_delimiter(n)
   Call: (207) [system] ')'==n
   Fail: (207) [system] ')'==n
   Call: (207) [system] get_char((0x563acd73bee0), n)
   Exit: (207) [system] get_char((0x563acd73bee0), n)
   Call: (207) [system] n=(\)
   Fail: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1613348)
   Call: (208) [system] peek_char((0x563acd73bee0), _1614282)
   Exit: (208) [system] peek_char((0x563acd73bee0), c)
^  Call: (208) [user] is_delimiter(c)
   Call: (209) [system] char_type(c, space)
   Fail: (209) [system] char_type(c, space)
   Call: (209) [system] arg(_1619002, v('(', ')', end_of_file), c)
   Fail: (209) [system] arg(_1619934, v('(', ')', end_of_file), c)
^  Fail: (208) [user] is_delimiter(c)
   Call: (208) [system] ')'==c
   Fail: (208) [system] ')'==c
   Call: (208) [system] get_char((0x563acd73bee0), c)
   Exit: (208) [system] get_char((0x563acd73bee0), c)
   Call: (208) [system] c=(\)
   Fail: (208) [system] c=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1627284)
   Call: (209) [system] peek_char((0x563acd73bee0), _1628218)
   Exit: (209) [system] peek_char((0x563acd73bee0), l)
^  Call: (209) [user] is_delimiter(l)
   Call: (210) [system] char_type(l, space)
   Fail: (210) [system] char_type(l, space)
   Call: (210) [system] arg(_1632938, v('(', ')', end_of_file), l)
   Fail: (210) [system] arg(_1633870, v('(', ')', end_of_file), l)
^  Fail: (209) [user] is_delimiter(l)
   Call: (209) [system] ')'==l
   Fail: (209) [system] ')'==l
   Call: (209) [system] get_char((0x563acd73bee0), l)
   Exit: (209) [system] get_char((0x563acd73bee0), l)
   Call: (209) [system] l=(\)
   Fail: (209) [system] l=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1641220)
   Call: (210) [system] peek_char((0x563acd73bee0), _1642154)
   Exit: (210) [system] peek_char((0x563acd73bee0), u)
^  Call: (210) [user] is_delimiter(u)
   Call: (211) [system] char_type(u, space)
   Fail: (211) [system] char_type(u, space)
   Call: (211) [system] arg(_1646874, v('(', ')', end_of_file), u)
   Fail: (211) [system] arg(_1647806, v('(', ')', end_of_file), u)
^  Fail: (210) [user] is_delimiter(u)
   Call: (210) [system] ')'==u
   Fail: (210) [system] ')'==u
   Call: (210) [system] get_char((0x563acd73bee0), u)
   Exit: (210) [system] get_char((0x563acd73bee0), u)
   Call: (210) [system] u=(\)
   Fail: (210) [system] u=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1655156)
   Call: (211) [system] peek_char((0x563acd73bee0), _1656090)
   Exit: (211) [system] peek_char((0x563acd73bee0), s)
^  Call: (211) [user] is_delimiter(s)
   Call: (212) [system] char_type(s, space)
   Fail: (212) [system] char_type(s, space)
   Call: (212) [system] arg(_1660810, v('(', ')', end_of_file), s)
   Fail: (212) [system] arg(_1661742, v('(', ')', end_of_file), s)
^  Fail: (211) [user] is_delimiter(s)
   Call: (211) [system] ')'==s
   Fail: (211) [system] ')'==s
   Call: (211) [system] get_char((0x563acd73bee0), s)
   Exit: (211) [system] get_char((0x563acd73bee0), s)
   Call: (211) [system] s=(\)
   Fail: (211) [system] s=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1669092)
   Call: (212) [system] peek_char((0x563acd73bee0), _1670026)
   Exit: (212) [system] peek_char((0x563acd73bee0), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_1674746, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_1675678, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x563acd73bee0), i)
   Exit: (212) [system] get_char((0x563acd73bee0), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _1683028)
   Call: (213) [system] peek_char((0x563acd73bee0), _1683962)
   Exit: (213) [system] peek_char((0x563acd73bee0), o)
^  Call: (213) [user] is_delimiter(o)
   Call: (214) [system] char_type(o, space)
   Fail: (214) [system] char_type(o, space)
   Call: (214) [system] arg(_1688682, v('(', ')', end_of_file), o)
   Fail: (214) [system] arg(_1689614, v('(', ')', end_of_file), o)
^  Fail: (213) [user] is_delimiter(o)
   Call: (213) [system] ')'==o
   Fail: (213) [system] ')'==o
   Call: (213) [system] get_char((0x563acd73bee0), o)
   Exit: (213) [system] get_char((0x563acd73bee0), o)
   Call: (213) [system] o=(\)
   Fail: (213) [system] o=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _1696964)
   Call: (214) [system] peek_char((0x563acd73bee0), _1697898)
   Exit: (214) [system] peek_char((0x563acd73bee0), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_1702618, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_1703550, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x563acd73bee0), n)
   Exit: (214) [system] get_char((0x563acd73bee0), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _1710900)
   Call: (215) [system] peek_char((0x563acd73bee0), _1711834)
   Exit: (215) [system] peek_char((0x563acd73bee0), ')')
^  Call: (215) [user] is_delimiter(')')
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] arg(_1716554, v('(', ')', end_of_file), ')')
   Exit: (216) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (215) [user] is_delimiter(')')
   Call: (215) [system] _1710900=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (214) [system] _1696964=[n]
   Exit: (214) [system] [n]=[n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (213) [system] _1683028=[o, n]
   Exit: (213) [system] [o, n]=[o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (212) [system] _1669092=[i, o, n]
   Exit: (212) [system] [i, o, n]=[i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (211) [system] _1655156=[s, i, o, n]
   Exit: (211) [system] [s, i, o, n]=[s, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, i, o, n])
   Call: (210) [system] _1641220=[u, s, i, o, n]
   Exit: (210) [system] [u, s, i, o, n]=[u, s, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, s, i, o, n])
   Call: (209) [system] _1627284=[l, u, s, i, o, n]
   Exit: (209) [system] [l, u, s, i, o, n]=[l, u, s, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, u, s, i, o, n])
   Call: (208) [system] _1613348=[c, l, u, s, i, o, n]
   Exit: (208) [system] [c, l, u, s, i, o, n]=[c, l, u, s, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, l, u, s, i, o, n])
   Call: (207) [system] _1599412=[n, c, l, u, s, i, o, n]
   Exit: (207) [system] [n, c, l, u, s, i, o, n]=[n, c, l, u, s, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, l, u, s, i, o, n])
   Call: (206) [system] _1585476=[o, n, c, l, u, s, i, o, n]
   Exit: (206) [system] [o, n, c, l, u, s, i, o, n]=[o, n, c, l, u, s, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, c, l, u, s, i, o, n])
   Call: (205) [system] _1571540=[c, o, n, c, l, u, s, i, o, n]
   Exit: (205) [system] [c, o, n, c, l, u, s, i, o, n]=[c, o, n, c, l, u, s, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, o, n, c, l, u, s, i, o, n])
^  Call: (204) [user] classify_and_convert_charseq([$, c, o, n, c, l, u, s, i, o, n], _1536030)
^  Call: (205) [user] classify_and_convert_charseq_([$, c, o, n, c, l, u, s, i, o, n], _1750930)
   Call: (206) [system] atom_chars(_1751862, ['_', c, o, n, c, l, u, s, i, o, n])
   Exit: (206) [system] atom_chars('_conclusion', ['_', c, o, n, c, l, u, s, i, o, n])
^  Exit: (205) [user] classify_and_convert_charseq_([$, c, o, n, c, l, u, s, i, o, n], _conclusion)
   Call: (205) [system] integer(_conclusion)
   Fail: (205) [system] integer(_conclusion)
   Call: (205) [system] _1536030=_conclusion
   Exit: (205) [system] _conclusion=_conclusion
^  Exit: (204) [user] classify_and_convert_charseq([$, c, o, n, c, l, u, s, i, o, n], _conclusion)
^  Exit: (203) [user] read_symbolic(')', (0x563acd73bee0), $, _conclusion)
^  Exit: (202) [user] cont_sexpr(')', (0x563acd73bee0), _conclusion)
^  Call: (202) [user] read_list(')', (0x563acd73bee0), _1761154)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1763012)
   Exit: (204) [system] peek_char((0x563acd73bee0), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
   Call: (204) [system] ')'=(/)
   Fail: (204) [system] ')'=(/)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1779022)
   Exit: (203) [system] peek_char((0x563acd73bee0), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x563acd73bee0), _1782812)
   Exit: (203) [system] get_char((0x563acd73bee0), ')')
   Call: (203) [system] _1761154=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x563acd73bee0), [])
   Call: (202) [system] _1499370=[_conclusion]
   Exit: (202) [system] [_conclusion]=[_conclusion]
^  Exit: (201) [user] read_list(')', (0x563acd73bee0), [_conclusion])
   Call: (201) [system] _1272918=[_premise4, _conclusion]
   Exit: (201) [system] [_premise4, _conclusion]=[_premise4, _conclusion]
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), [_premise4, _conclusion])
   Call: (200) [system] _1046466=[_premise3, _premise4, _conclusion]
   Exit: (200) [system] [_premise3, _premise4, _conclusion]=[_premise3, _premise4, _conclusion]
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), [_premise3, _premise4, _conclusion])
   Call: (199) [system] _820014=[_premise2, _premise3, _premise4, _conclusion]
   Exit: (199) [system] [_premise2, _premise3, _premise4, _conclusion]=[_premise2, _premise3, _premise4, _conclusion]
^  Exit: (198) [user] read_list(')', (0x563acd73bee0), [_premise2, _premise3, _premise4, _conclusion])
   Call: (198) [system] _593562=[_premise1, _premise2, _premise3, _premise4, _conclusion]
   Exit: (198) [system] [_premise1, _premise2, _premise3, _premise4, _conclusion]=[_premise1, _premise2, _premise3, _premise4, _conclusion]
^  Exit: (197) [user] read_list(')', (0x563acd73bee0), [_premise1, _premise2, _premise3, _premise4, _conclusion])
   Call: (197) [system] _473006=[->, _premise1, _premise2, _premise3, _premise4, _conclusion]
   Exit: (197) [system] [->, _premise1, _premise2, _premise3, _premise4, _conclusion]=[->, _premise1, _premise2, _premise3, _premise4, _conclusion]
^  Exit: (196) [user] read_list(')', (0x563acd73bee0), [->, _premise1, _premise2, _premise3, _premise4, _conclusion])
^  Exit: (195) [user] cont_sexpr(')', (0x563acd73bee0), [->, _premise1, _premise2, _premise3, _premise4, _conclusion])
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _1805076)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1806934)
   Exit: (197) [system] peek_char((0x563acd73bee0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1822944)
   Exit: (196) [system] peek_char((0x563acd73bee0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x563acd73bee0), _1826734)
   Exit: (196) [system] get_char((0x563acd73bee0), ')')
   Call: (196) [system] _1805076=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), [])
   Call: (195) [system] _436346=[[->, _premise1, _premise2, _premise3, _premise4, _conclusion]]
   Exit: (195) [system] [[->, _premise1, _premise2, _premise3, _premise4, _conclusion]]=[[->, _premise1, _premise2, _premise3, _premise4, _conclusion]]
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), [[->, _premise1, _premise2, _premise3, _premise4, _conclusion]])
   Call: (194) [system] _243354=[_ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]]
   Exit: (194) [system] [_ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]]=[_ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]]
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), [_ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]])
   Call: (193) [system] _139528=[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]]
   Exit: (193) [system] [:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]]=[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]]
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), [:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]])
^  Exit: (191) [user] cont_sexpr(')', (0x563acd73bee0), [:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]])
^  Call: (191) [user] read_list(')', (0x563acd73bee0), _1840616)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1842474)
   Exit: (193) [system] peek_char((0x563acd73bee0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x563acd73bee0), _1852068)
   Exit: (193) [system] get_char((0x563acd73bee0), ' ')
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1854772)
   Exit: (194) [system] peek_char((0x563acd73bee0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1871706)
   Exit: (192) [system] peek_char((0x563acd73bee0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x563acd73bee0), _1877276)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1879134)
   Exit: (194) [system] peek_char((0x563acd73bee0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] get_char((0x563acd73bee0), _1895144)
   Exit: (193) [system] get_char((0x563acd73bee0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _1877276)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1900714)
   Exit: (195) [system] peek_char((0x563acd73bee0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1916724)
   Exit: (194) [system] peek_char((0x563acd73bee0), $)
   Call: (194) [system] ($)=')'
   Fail: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x563acd73bee0), _1922294)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1924152)
   Exit: (196) [system] peek_char((0x563acd73bee0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] get_char((0x563acd73bee0), _1940162)
   Exit: (195) [system] get_char((0x563acd73bee0), $)
   Call: (195) [system] ($)='('
   Fail: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Fail: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Fail: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Fail: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Fail: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Fail: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Fail: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x563acd73bee0), $, _1922294)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _1957804)
   Call: (197) [system] peek_char((0x563acd73bee0), _1958738)
   Exit: (197) [system] peek_char((0x563acd73bee0), r)
^  Call: (197) [user] is_delimiter(r)
   Call: (198) [system] char_type(r, space)
   Fail: (198) [system] char_type(r, space)
   Call: (198) [system] arg(_1963458, v('(', ')', end_of_file), r)
   Fail: (198) [system] arg(_1964390, v('(', ')', end_of_file), r)
^  Fail: (197) [user] is_delimiter(r)
   Call: (197) [system] ')'==r
   Fail: (197) [system] ')'==r
   Call: (197) [system] get_char((0x563acd73bee0), r)
   Exit: (197) [system] get_char((0x563acd73bee0), r)
   Call: (197) [system] r=(\)
   Fail: (197) [system] r=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _1971740)
   Call: (198) [system] peek_char((0x563acd73bee0), _1972674)
   Exit: (198) [system] peek_char((0x563acd73bee0), b)
^  Call: (198) [user] is_delimiter(b)
   Call: (199) [system] char_type(b, space)
   Fail: (199) [system] char_type(b, space)
   Call: (199) [system] arg(_1977394, v('(', ')', end_of_file), b)
   Fail: (199) [system] arg(_1978326, v('(', ')', end_of_file), b)
^  Fail: (198) [user] is_delimiter(b)
   Call: (198) [system] ')'==b
   Fail: (198) [system] ')'==b
   Call: (198) [system] get_char((0x563acd73bee0), b)
   Exit: (198) [system] get_char((0x563acd73bee0), b)
   Call: (198) [system] b=(\)
   Fail: (198) [system] b=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _1985676)
   Call: (199) [system] peek_char((0x563acd73bee0), _1986610)
   Exit: (199) [system] peek_char((0x563acd73bee0), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_1991330, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _1985676=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (198) [system] _1971740=[b]
   Exit: (198) [system] [b]=[b]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
   Call: (197) [system] _1957804=[r, b]
   Exit: (197) [system] [r, b]=[r, b]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, b])
^  Call: (196) [user] classify_and_convert_charseq([$, r, b], _1922294)
^  Call: (197) [user] classify_and_convert_charseq_([$, r, b], _2003354)
   Call: (198) [system] atom_chars(_2004286, ['_', r, b])
   Exit: (198) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (197) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (197) [system] integer(_rb)
   Fail: (197) [system] integer(_rb)
   Call: (197) [system] _1922294=_rb
   Exit: (197) [system] _rb=_rb
^  Exit: (196) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (195) [user] read_symbolic(')', (0x563acd73bee0), $, _rb)
^  Exit: (194) [user] cont_sexpr(')', (0x563acd73bee0), _rb)
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _2013578)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _2015436)
   Exit: (196) [system] peek_char((0x563acd73bee0), ')')
   Call: (196) [system] ')'=(;)
   Fail: (196) [system] ')'=(;)
   Call: (196) [system] ')'=(/)
   Fail: (196) [system] ')'=(/)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Fail: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Fail: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
   Fail: (197) [system] char_type(')', cntrl)
^  Fail: (196) [user] is_like_space(')')
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _2031446)
   Exit: (195) [system] peek_char((0x563acd73bee0), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x563acd73bee0), _2035236)
   Exit: (195) [system] get_char((0x563acd73bee0), ')')
   Call: (195) [system] _2013578=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), [])
   Call: (194) [system] _1877276=[_rb]
   Exit: (194) [system] [_rb]=[_rb]
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), [_rb])
^  Exit: (192) [user] cont_sexpr(')', (0x563acd73bee0), [_rb])
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _2043530)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _2045388)
   Exit: (194) [system] peek_char((0x563acd73bee0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
   Call: (194) [system] ')'=(/)
   Fail: (194) [system] ')'=(/)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _2061398)
   Exit: (193) [system] peek_char((0x563acd73bee0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x563acd73bee0), _2065188)
   Exit: (193) [system] get_char((0x563acd73bee0), ')')
   Call: (193) [system] _2043530=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), [])
   Call: (192) [system] _1840616=[[_rb]]
   Exit: (192) [system] [[_rb]]=[[_rb]]
^  Exit: (191) [user] read_list(')', (0x563acd73bee0), [[_rb]])
   Call: (191) [system] _94510=[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]]
   Exit: (191) [system] [[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]]=[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]]
^  Exit: (190) [user] read_list(')', (0x563acd73bee0), [[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]])
^  Exit: (189) [user] cont_sexpr(')', (0x563acd73bee0), [[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]])
^  Call: (189) [user] read_list(')', (0x563acd73bee0), _2076276)
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _2078134)
   Exit: (191) [system] peek_char((0x563acd73bee0), '\n')
   Call: (191) [system] '\n'=(;)
   Fail: (191) [system] '\n'=(;)
   Call: (191) [system] '\n'=(/)
   Fail: (191) [system] '\n'=(/)
^  Call: (191) [user] is_like_space('\n')
   Call: (192) [system] char_type('\n', 'white')
   Fail: (192) [system] char_type('\n', 'white')
   Call: (192) [system] char_type('\n', end_of_line)
   Exit: (192) [system] char_type('\n', end_of_line)
^  Exit: (191) [user] is_like_space('\n')
   Call: (191) [system] get_char((0x563acd73bee0), _2089584)
   Exit: (191) [system] get_char((0x563acd73bee0), '\n')
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _2092288)
   Exit: (192) [system] peek_char((0x563acd73bee0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x563acd73bee0), _8466)
   Exit: (192) [system] get_char((0x563acd73bee0), ' ')
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _11170)
   Exit: (193) [system] peek_char((0x563acd73bee0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x563acd73bee0), _20764)
   Exit: (193) [system] get_char((0x563acd73bee0), ' ')
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _23468)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x563acd73bee0), _33062)
   Exit: (194) [system] get_char((0x563acd73bee0), ' ')
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _35766)
   Exit: (195) [system] peek_char((0x563acd73bee0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x563acd73bee0), _45360)
   Exit: (195) [system] get_char((0x563acd73bee0), ' ')
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _48064)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x563acd73bee0), _57658)
   Exit: (196) [system] get_char((0x563acd73bee0), ' ')
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _60362)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x563acd73bee0), _69956)
   Exit: (197) [system] get_char((0x563acd73bee0), ' ')
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _72660)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x563acd73bee0), _82254)
   Exit: (198) [system] get_char((0x563acd73bee0), ' ')
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _84958)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x563acd73bee0), _94552)
   Exit: (199) [system] get_char((0x563acd73bee0), ' ')
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _97256)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x563acd73bee0), _106850)
   Exit: (200) [system] get_char((0x563acd73bee0), ' ')
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _109554)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _119148)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _121852)
   Exit: (202) [system] peek_char((0x563acd73bee0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _148026)
   Exit: (190) [system] peek_char((0x563acd73bee0), '(')
   Call: (190) [system] '('=')'
   Fail: (190) [system] '('=')'
   Call: (190) [system] '('=end_of_file
   Fail: (190) [system] '('=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x563acd73bee0), _153596)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _155454)
   Exit: (192) [system] peek_char((0x563acd73bee0), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
   Call: (192) [system] '('=(/)
   Fail: (192) [system] '('=(/)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] get_char((0x563acd73bee0), _171464)
   Exit: (191) [system] get_char((0x563acd73bee0), '(')
   Call: (191) [system] '('='('
   Exit: (191) [system] '('='('
^  Call: (191) [user] read_list(')', (0x563acd73bee0), _153596)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _177034)
   Exit: (193) [system] peek_char((0x563acd73bee0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _193044)
   Exit: (192) [system] peek_char((0x563acd73bee0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x563acd73bee0), _198614)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _200472)
   Exit: (194) [system] peek_char((0x563acd73bee0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] get_char((0x563acd73bee0), _216482)
   Exit: (193) [system] get_char((0x563acd73bee0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _198614)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _222052)
   Exit: (195) [system] peek_char((0x563acd73bee0), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
   Call: (195) [system] (:)=(/)
   Fail: (195) [system] (:)=(/)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _238062)
   Exit: (194) [system] peek_char((0x563acd73bee0), :)
   Call: (194) [system] (:)=')'
   Fail: (194) [system] (:)=')'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x563acd73bee0), _243632)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _245490)
   Exit: (196) [system] peek_char((0x563acd73bee0), :)
   Call: (196) [system] (:)=(;)
   Fail: (196) [system] (:)=(;)
   Call: (196) [system] (:)=(/)
   Fail: (196) [system] (:)=(/)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Fail: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Fail: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Fail: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
   Fail: (197) [system] char_type(:, cntrl)
^  Fail: (196) [user] is_like_space(:)
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] get_char((0x563acd73bee0), _261500)
   Exit: (195) [system] get_char((0x563acd73bee0), :)
   Call: (195) [system] (:)='('
   Fail: (195) [system] (:)='('
   Call: (195) [system] (:)='['
   Fail: (195) [system] (:)='['
   Call: (195) [system] (:)='{'
   Fail: (195) [system] (:)='{'
   Call: (195) [system] (:)='"'
   Fail: (195) [system] (:)='"'
   Call: (195) [system] (:)=!
   Fail: (195) [system] (:)=!
   Call: (195) [system] (:)='\''
   Fail: (195) [system] (:)='\''
   Call: (195) [system] (:)='`'
   Fail: (195) [system] (:)='`'
   Call: (195) [system] (:)=end_of_file
   Fail: (195) [system] (:)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x563acd73bee0), :, _243632)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _279142)
   Call: (197) [system] peek_char((0x563acd73bee0), _280076)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _279142=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (196) [user] classify_and_convert_charseq([:], _243632)
^  Call: (197) [user] classify_and_convert_charseq_([:], _289360)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_290312, _290314), once(user:catch(read_from_chars([:], _289360), _290294, fail)), '$restore_trace'(_290312, _290314))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_290312, _290314))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _290294, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(:)
   Exit: (198) [system] atomic(:)
^  Exit: (197) [user] classify_and_convert_charseq_([:], :)
   Call: (197) [system] integer(:)
   Fail: (197) [system] integer(:)
   Call: (197) [system] _243632=(:)
   Exit: (197) [system] (:)=(:)
^  Exit: (196) [user] classify_and_convert_charseq([:], :)
^  Exit: (195) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (194) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _302440)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _304298)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x563acd73bee0), _313892)
   Exit: (196) [system] get_char((0x563acd73bee0), ' ')
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _316596)
   Exit: (197) [system] peek_char((0x563acd73bee0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _333530)
   Exit: (195) [system] peek_char((0x563acd73bee0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x563acd73bee0), _339100)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _340958)
   Exit: (197) [system] peek_char((0x563acd73bee0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] get_char((0x563acd73bee0), _356968)
   Exit: (196) [system] get_char((0x563acd73bee0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x563acd73bee0), _339100)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _362538)
   Exit: (198) [system] peek_char((0x563acd73bee0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _378548)
   Exit: (197) [system] peek_char((0x563acd73bee0), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x563acd73bee0), _384118)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _385976)
   Exit: (199) [system] peek_char((0x563acd73bee0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] get_char((0x563acd73bee0), _401986)
   Exit: (198) [system] get_char((0x563acd73bee0), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x563acd73bee0), $, _384118)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _419628)
   Call: (200) [system] peek_char((0x563acd73bee0), _420562)
   Exit: (200) [system] peek_char((0x563acd73bee0), r)
^  Call: (200) [user] is_delimiter(r)
   Call: (201) [system] char_type(r, space)
   Fail: (201) [system] char_type(r, space)
   Call: (201) [system] arg(_425282, v('(', ')', end_of_file), r)
   Fail: (201) [system] arg(_426214, v('(', ')', end_of_file), r)
^  Fail: (200) [user] is_delimiter(r)
   Call: (200) [system] ')'==r
   Fail: (200) [system] ')'==r
   Call: (200) [system] get_char((0x563acd73bee0), r)
   Exit: (200) [system] get_char((0x563acd73bee0), r)
   Call: (200) [system] r=(\)
   Fail: (200) [system] r=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _433564)
   Call: (201) [system] peek_char((0x563acd73bee0), _434498)
   Exit: (201) [system] peek_char((0x563acd73bee0), u)
^  Call: (201) [user] is_delimiter(u)
   Call: (202) [system] char_type(u, space)
   Fail: (202) [system] char_type(u, space)
   Call: (202) [system] arg(_439218, v('(', ')', end_of_file), u)
   Fail: (202) [system] arg(_440150, v('(', ')', end_of_file), u)
^  Fail: (201) [user] is_delimiter(u)
   Call: (201) [system] ')'==u
   Fail: (201) [system] ')'==u
   Call: (201) [system] get_char((0x563acd73bee0), u)
   Exit: (201) [system] get_char((0x563acd73bee0), u)
   Call: (201) [system] u=(\)
   Fail: (201) [system] u=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _447500)
   Call: (202) [system] peek_char((0x563acd73bee0), _448434)
   Exit: (202) [system] peek_char((0x563acd73bee0), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Fail: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_453154, v('(', ')', end_of_file), c)
   Fail: (203) [system] arg(_454086, v('(', ')', end_of_file), c)
^  Fail: (202) [user] is_delimiter(c)
   Call: (202) [system] ')'==c
   Fail: (202) [system] ')'==c
   Call: (202) [system] get_char((0x563acd73bee0), c)
   Exit: (202) [system] get_char((0x563acd73bee0), c)
   Call: (202) [system] c=(\)
   Fail: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _461436)
   Call: (203) [system] peek_char((0x563acd73bee0), _462370)
   Exit: (203) [system] peek_char((0x563acd73bee0), t)
^  Call: (203) [user] is_delimiter(t)
   Call: (204) [system] char_type(t, space)
   Fail: (204) [system] char_type(t, space)
   Call: (204) [system] arg(_467090, v('(', ')', end_of_file), t)
   Fail: (204) [system] arg(_468022, v('(', ')', end_of_file), t)
^  Fail: (203) [user] is_delimiter(t)
   Call: (203) [system] ')'==t
   Fail: (203) [system] ')'==t
   Call: (203) [system] get_char((0x563acd73bee0), t)
   Exit: (203) [system] get_char((0x563acd73bee0), t)
   Call: (203) [system] t=(\)
   Fail: (203) [system] t=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _475372)
   Call: (204) [system] peek_char((0x563acd73bee0), _476306)
   Exit: (204) [system] peek_char((0x563acd73bee0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_481026, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_481958, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x563acd73bee0), o)
   Exit: (204) [system] get_char((0x563acd73bee0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _489308)
   Call: (205) [system] peek_char((0x563acd73bee0), _490242)
   Exit: (205) [system] peek_char((0x563acd73bee0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_494962, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_495894, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x563acd73bee0), r)
   Exit: (205) [system] get_char((0x563acd73bee0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _503244)
   Call: (206) [system] peek_char((0x563acd73bee0), _504178)
   Exit: (206) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _503244=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (205) [system] _489308=[r]
   Exit: (205) [system] [r]=[r]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [r])
   Call: (204) [system] _475372=[o, r]
   Exit: (204) [system] [o, r]=[o, r]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, r])
   Call: (203) [system] _461436=[t, o, r]
   Exit: (203) [system] [t, o, r]=[t, o, r]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, o, r])
   Call: (202) [system] _447500=[c, t, o, r]
   Exit: (202) [system] [c, t, o, r]=[c, t, o, r]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, o, r])
   Call: (201) [system] _433564=[u, c, t, o, r]
   Exit: (201) [system] [u, c, t, o, r]=[u, c, t, o, r]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, o, r])
   Call: (200) [system] _419628=[r, u, c, t, o, r]
   Exit: (200) [system] [r, u, c, t, o, r]=[r, u, c, t, o, r]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, u, c, t, o, r])
^  Call: (199) [user] classify_and_convert_charseq([$, r, u, c, t, o, r], _384118)
^  Call: (200) [user] classify_and_convert_charseq_([$, r, u, c, t, o, r], _530226)
   Call: (201) [system] atom_chars(_531158, ['_', r, u, c, t, o, r])
   Exit: (201) [system] atom_chars('_ructor', ['_', r, u, c, t, o, r])
^  Exit: (200) [user] classify_and_convert_charseq_([$, r, u, c, t, o, r], _ructor)
   Call: (200) [system] integer(_ructor)
   Fail: (200) [system] integer(_ructor)
   Call: (200) [system] _384118=_ructor
   Exit: (200) [system] _ructor=_ructor
^  Exit: (199) [user] classify_and_convert_charseq([$, r, u, c, t, o, r], _ructor)
^  Exit: (198) [user] read_symbolic(')', (0x563acd73bee0), $, _ructor)
^  Exit: (197) [user] cont_sexpr(')', (0x563acd73bee0), _ructor)
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _540450)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _542308)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x563acd73bee0), _551902)
   Exit: (199) [system] get_char((0x563acd73bee0), ' ')
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _554606)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _571540)
   Exit: (198) [system] peek_char((0x563acd73bee0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x563acd73bee0), _577110)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _578968)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] get_char((0x563acd73bee0), _594978)
   Exit: (199) [system] get_char((0x563acd73bee0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x563acd73bee0), $, _577110)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _612620)
   Call: (201) [system] peek_char((0x563acd73bee0), _613554)
   Exit: (201) [system] peek_char((0x563acd73bee0), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_618274, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_619206, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x563acd73bee0), p)
   Exit: (201) [system] get_char((0x563acd73bee0), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _626556)
   Call: (202) [system] peek_char((0x563acd73bee0), _627490)
   Exit: (202) [system] peek_char((0x563acd73bee0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_632210, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_633142, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x563acd73bee0), r)
   Exit: (202) [system] get_char((0x563acd73bee0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _640492)
   Call: (203) [system] peek_char((0x563acd73bee0), _641426)
   Exit: (203) [system] peek_char((0x563acd73bee0), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Fail: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_646146, v('(', ')', end_of_file), o)
   Fail: (204) [system] arg(_647078, v('(', ')', end_of_file), o)
^  Fail: (203) [user] is_delimiter(o)
   Call: (203) [system] ')'==o
   Fail: (203) [system] ')'==o
   Call: (203) [system] get_char((0x563acd73bee0), o)
   Exit: (203) [system] get_char((0x563acd73bee0), o)
   Call: (203) [system] o=(\)
   Fail: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _654428)
   Call: (204) [system] peek_char((0x563acd73bee0), _655362)
   Exit: (204) [system] peek_char((0x563acd73bee0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_660082, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_661014, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x563acd73bee0), o)
   Exit: (204) [system] get_char((0x563acd73bee0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _668364)
   Call: (205) [system] peek_char((0x563acd73bee0), _669298)
   Exit: (205) [system] peek_char((0x563acd73bee0), f)
^  Call: (205) [user] is_delimiter(f)
   Call: (206) [system] char_type(f, space)
   Fail: (206) [system] char_type(f, space)
   Call: (206) [system] arg(_674018, v('(', ')', end_of_file), f)
   Fail: (206) [system] arg(_674950, v('(', ')', end_of_file), f)
^  Fail: (205) [user] is_delimiter(f)
   Call: (205) [system] ')'==f
   Fail: (205) [system] ')'==f
   Call: (205) [system] get_char((0x563acd73bee0), f)
   Exit: (205) [system] get_char((0x563acd73bee0), f)
   Call: (205) [system] f=(\)
   Fail: (205) [system] f=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _682300)
   Call: (206) [system] peek_char((0x563acd73bee0), _683234)
   Exit: (206) [system] peek_char((0x563acd73bee0), '1')
^  Call: (206) [user] is_delimiter('1')
   Call: (207) [system] char_type('1', space)
   Fail: (207) [system] char_type('1', space)
   Call: (207) [system] arg(_687954, v('(', ')', end_of_file), '1')
   Fail: (207) [system] arg(_688886, v('(', ')', end_of_file), '1')
^  Fail: (206) [user] is_delimiter('1')
   Call: (206) [system] ')'=='1'
   Fail: (206) [system] ')'=='1'
   Call: (206) [system] get_char((0x563acd73bee0), '1')
   Exit: (206) [system] get_char((0x563acd73bee0), '1')
   Call: (206) [system] '1'=(\)
   Fail: (206) [system] '1'=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _696236)
   Call: (207) [system] peek_char((0x563acd73bee0), _697170)
   Exit: (207) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _696236=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (206) [system] _682300=['1']
   Exit: (206) [system] ['1']=['1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), ['1'])
   Call: (205) [system] _668364=[f, '1']
   Exit: (205) [system] [f, '1']=[f, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [f, '1'])
   Call: (204) [system] _654428=[o, f, '1']
   Exit: (204) [system] [o, f, '1']=[o, f, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, f, '1'])
   Call: (203) [system] _640492=[o, o, f, '1']
   Exit: (203) [system] [o, o, f, '1']=[o, o, f, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, o, f, '1'])
   Call: (202) [system] _626556=[r, o, o, f, '1']
   Exit: (202) [system] [r, o, o, f, '1']=[r, o, o, f, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, o, f, '1'])
   Call: (201) [system] _612620=[p, r, o, o, f, '1']
   Exit: (201) [system] [p, r, o, o, f, '1']=[p, r, o, o, f, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, o, o, f, '1'])
^  Call: (200) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _577110)
^  Call: (201) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _723218)
   Call: (202) [system] atom_chars(_724150, ['_', p, r, o, o, f, '1'])
   Exit: (202) [system] atom_chars('_proof1', ['_', p, r, o, o, f, '1'])
^  Exit: (201) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _proof1)
   Call: (201) [system] integer(_proof1)
   Fail: (201) [system] integer(_proof1)
   Call: (201) [system] _577110=_proof1
   Exit: (201) [system] _proof1=_proof1
^  Exit: (200) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _proof1)
^  Exit: (199) [user] read_symbolic(')', (0x563acd73bee0), $, _proof1)
^  Exit: (198) [user] cont_sexpr(')', (0x563acd73bee0), _proof1)
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _733442)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _735300)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x563acd73bee0), _744894)
   Exit: (200) [system] get_char((0x563acd73bee0), ' ')
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _747598)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _764532)
   Exit: (199) [system] peek_char((0x563acd73bee0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x563acd73bee0), _770102)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _771960)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] get_char((0x563acd73bee0), _787970)
   Exit: (200) [system] get_char((0x563acd73bee0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x563acd73bee0), $, _770102)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _805612)
   Call: (202) [system] peek_char((0x563acd73bee0), _806546)
   Exit: (202) [system] peek_char((0x563acd73bee0), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Fail: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_811266, v('(', ')', end_of_file), p)
   Fail: (203) [system] arg(_812198, v('(', ')', end_of_file), p)
^  Fail: (202) [user] is_delimiter(p)
   Call: (202) [system] ')'==p
   Fail: (202) [system] ')'==p
   Call: (202) [system] get_char((0x563acd73bee0), p)
   Exit: (202) [system] get_char((0x563acd73bee0), p)
   Call: (202) [system] p=(\)
   Fail: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _819548)
   Call: (203) [system] peek_char((0x563acd73bee0), _820482)
   Exit: (203) [system] peek_char((0x563acd73bee0), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_825202, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_826134, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x563acd73bee0), r)
   Exit: (203) [system] get_char((0x563acd73bee0), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _833484)
   Call: (204) [system] peek_char((0x563acd73bee0), _834418)
   Exit: (204) [system] peek_char((0x563acd73bee0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_839138, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_840070, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x563acd73bee0), o)
   Exit: (204) [system] get_char((0x563acd73bee0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _847420)
   Call: (205) [system] peek_char((0x563acd73bee0), _848354)
   Exit: (205) [system] peek_char((0x563acd73bee0), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_853074, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_854006, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x563acd73bee0), o)
   Exit: (205) [system] get_char((0x563acd73bee0), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _861356)
   Call: (206) [system] peek_char((0x563acd73bee0), _862290)
   Exit: (206) [system] peek_char((0x563acd73bee0), f)
^  Call: (206) [user] is_delimiter(f)
   Call: (207) [system] char_type(f, space)
   Fail: (207) [system] char_type(f, space)
   Call: (207) [system] arg(_867010, v('(', ')', end_of_file), f)
   Fail: (207) [system] arg(_867942, v('(', ')', end_of_file), f)
^  Fail: (206) [user] is_delimiter(f)
   Call: (206) [system] ')'==f
   Fail: (206) [system] ')'==f
   Call: (206) [system] get_char((0x563acd73bee0), f)
   Exit: (206) [system] get_char((0x563acd73bee0), f)
   Call: (206) [system] f=(\)
   Fail: (206) [system] f=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _875292)
   Call: (207) [system] peek_char((0x563acd73bee0), _876226)
   Exit: (207) [system] peek_char((0x563acd73bee0), '2')
^  Call: (207) [user] is_delimiter('2')
   Call: (208) [system] char_type('2', space)
   Fail: (208) [system] char_type('2', space)
   Call: (208) [system] arg(_880946, v('(', ')', end_of_file), '2')
   Fail: (208) [system] arg(_881878, v('(', ')', end_of_file), '2')
^  Fail: (207) [user] is_delimiter('2')
   Call: (207) [system] ')'=='2'
   Fail: (207) [system] ')'=='2'
   Call: (207) [system] get_char((0x563acd73bee0), '2')
   Exit: (207) [system] get_char((0x563acd73bee0), '2')
   Call: (207) [system] '2'=(\)
   Fail: (207) [system] '2'=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _889228)
   Call: (208) [system] peek_char((0x563acd73bee0), _890162)
   Exit: (208) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _889228=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (207) [system] _875292=['2']
   Exit: (207) [system] ['2']=['2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), ['2'])
   Call: (206) [system] _861356=[f, '2']
   Exit: (206) [system] [f, '2']=[f, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [f, '2'])
   Call: (205) [system] _847420=[o, f, '2']
   Exit: (205) [system] [o, f, '2']=[o, f, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, f, '2'])
   Call: (204) [system] _833484=[o, o, f, '2']
   Exit: (204) [system] [o, o, f, '2']=[o, o, f, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, o, f, '2'])
   Call: (203) [system] _819548=[r, o, o, f, '2']
   Exit: (203) [system] [r, o, o, f, '2']=[r, o, o, f, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, o, f, '2'])
   Call: (202) [system] _805612=[p, r, o, o, f, '2']
   Exit: (202) [system] [p, r, o, o, f, '2']=[p, r, o, o, f, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, o, o, f, '2'])
^  Call: (201) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _770102)
^  Call: (202) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _916210)
   Call: (203) [system] atom_chars(_917142, ['_', p, r, o, o, f, '2'])
   Exit: (203) [system] atom_chars('_proof2', ['_', p, r, o, o, f, '2'])
^  Exit: (202) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _proof2)
   Call: (202) [system] integer(_proof2)
   Fail: (202) [system] integer(_proof2)
   Call: (202) [system] _770102=_proof2
   Exit: (202) [system] _proof2=_proof2
^  Exit: (201) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _proof2)
^  Exit: (200) [user] read_symbolic(')', (0x563acd73bee0), $, _proof2)
^  Exit: (199) [user] cont_sexpr(')', (0x563acd73bee0), _proof2)
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _926434)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _928292)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _937886)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _940590)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _957524)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x563acd73bee0), _963094)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _964952)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] get_char((0x563acd73bee0), _980962)
   Exit: (201) [system] get_char((0x563acd73bee0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x563acd73bee0), $, _963094)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _998604)
   Call: (203) [system] peek_char((0x563acd73bee0), _999538)
   Exit: (203) [system] peek_char((0x563acd73bee0), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Fail: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_1004258, v('(', ')', end_of_file), p)
   Fail: (204) [system] arg(_1005190, v('(', ')', end_of_file), p)
^  Fail: (203) [user] is_delimiter(p)
   Call: (203) [system] ')'==p
   Fail: (203) [system] ')'==p
   Call: (203) [system] get_char((0x563acd73bee0), p)
   Exit: (203) [system] get_char((0x563acd73bee0), p)
   Call: (203) [system] p=(\)
   Fail: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1012540)
   Call: (204) [system] peek_char((0x563acd73bee0), _1013474)
   Exit: (204) [system] peek_char((0x563acd73bee0), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_1018194, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_1019126, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x563acd73bee0), r)
   Exit: (204) [system] get_char((0x563acd73bee0), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1026476)
   Call: (205) [system] peek_char((0x563acd73bee0), _1027410)
   Exit: (205) [system] peek_char((0x563acd73bee0), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_1032130, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_1033062, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x563acd73bee0), o)
   Exit: (205) [system] get_char((0x563acd73bee0), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1040412)
   Call: (206) [system] peek_char((0x563acd73bee0), _1041346)
   Exit: (206) [system] peek_char((0x563acd73bee0), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_1046066, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_1046998, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x563acd73bee0), o)
   Exit: (206) [system] get_char((0x563acd73bee0), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1054348)
   Call: (207) [system] peek_char((0x563acd73bee0), _1055282)
   Exit: (207) [system] peek_char((0x563acd73bee0), f)
^  Call: (207) [user] is_delimiter(f)
   Call: (208) [system] char_type(f, space)
   Fail: (208) [system] char_type(f, space)
   Call: (208) [system] arg(_1060002, v('(', ')', end_of_file), f)
   Fail: (208) [system] arg(_1060934, v('(', ')', end_of_file), f)
^  Fail: (207) [user] is_delimiter(f)
   Call: (207) [system] ')'==f
   Fail: (207) [system] ')'==f
   Call: (207) [system] get_char((0x563acd73bee0), f)
   Exit: (207) [system] get_char((0x563acd73bee0), f)
   Call: (207) [system] f=(\)
   Fail: (207) [system] f=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1068284)
   Call: (208) [system] peek_char((0x563acd73bee0), _1069218)
   Exit: (208) [system] peek_char((0x563acd73bee0), '3')
^  Call: (208) [user] is_delimiter('3')
   Call: (209) [system] char_type('3', space)
   Fail: (209) [system] char_type('3', space)
   Call: (209) [system] arg(_1073938, v('(', ')', end_of_file), '3')
   Fail: (209) [system] arg(_1074870, v('(', ')', end_of_file), '3')
^  Fail: (208) [user] is_delimiter('3')
   Call: (208) [system] ')'=='3'
   Fail: (208) [system] ')'=='3'
   Call: (208) [system] get_char((0x563acd73bee0), '3')
   Exit: (208) [system] get_char((0x563acd73bee0), '3')
   Call: (208) [system] '3'=(\)
   Fail: (208) [system] '3'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1082220)
   Call: (209) [system] peek_char((0x563acd73bee0), _1083154)
   Exit: (209) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _1082220=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (208) [system] _1068284=['3']
   Exit: (208) [system] ['3']=['3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), ['3'])
   Call: (207) [system] _1054348=[f, '3']
   Exit: (207) [system] [f, '3']=[f, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [f, '3'])
   Call: (206) [system] _1040412=[o, f, '3']
   Exit: (206) [system] [o, f, '3']=[o, f, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, f, '3'])
   Call: (205) [system] _1026476=[o, o, f, '3']
   Exit: (205) [system] [o, o, f, '3']=[o, o, f, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, o, f, '3'])
   Call: (204) [system] _1012540=[r, o, o, f, '3']
   Exit: (204) [system] [r, o, o, f, '3']=[r, o, o, f, '3']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, o, f, '3'])
   Call: (203) [system] _998604=[p, r, o, o, f, '3']
   Exit: (203) [system] [p, r, o, o, f, '3']=[p, r, o, o, f, '3']
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, o, o, f, '3'])
^  Call: (202) [user] classify_and_convert_charseq([$, p, r, o, o, f, '3'], _963094)
^  Call: (203) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '3'], _1109202)
   Call: (204) [system] atom_chars(_1110134, ['_', p, r, o, o, f, '3'])
   Exit: (204) [system] atom_chars('_proof3', ['_', p, r, o, o, f, '3'])
^  Exit: (203) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '3'], _proof3)
   Call: (203) [system] integer(_proof3)
   Fail: (203) [system] integer(_proof3)
   Call: (203) [system] _963094=_proof3
   Exit: (203) [system] _proof3=_proof3
^  Exit: (202) [user] classify_and_convert_charseq([$, p, r, o, o, f, '3'], _proof3)
^  Exit: (201) [user] read_symbolic(')', (0x563acd73bee0), $, _proof3)
^  Exit: (200) [user] cont_sexpr(')', (0x563acd73bee0), _proof3)
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _1119426)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1121284)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x563acd73bee0), _1130878)
   Exit: (202) [system] get_char((0x563acd73bee0), ' ')
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1133582)
   Exit: (203) [system] peek_char((0x563acd73bee0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1150516)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x563acd73bee0), _1156086)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1157944)
   Exit: (203) [system] peek_char((0x563acd73bee0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] get_char((0x563acd73bee0), _1173954)
   Exit: (202) [system] get_char((0x563acd73bee0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x563acd73bee0), $, _1156086)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1191596)
   Call: (204) [system] peek_char((0x563acd73bee0), _1192530)
   Exit: (204) [system] peek_char((0x563acd73bee0), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Fail: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_1197250, v('(', ')', end_of_file), p)
   Fail: (205) [system] arg(_1198182, v('(', ')', end_of_file), p)
^  Fail: (204) [user] is_delimiter(p)
   Call: (204) [system] ')'==p
   Fail: (204) [system] ')'==p
   Call: (204) [system] get_char((0x563acd73bee0), p)
   Exit: (204) [system] get_char((0x563acd73bee0), p)
   Call: (204) [system] p=(\)
   Fail: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1205532)
   Call: (205) [system] peek_char((0x563acd73bee0), _1206466)
   Exit: (205) [system] peek_char((0x563acd73bee0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_1211186, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_1212118, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x563acd73bee0), r)
   Exit: (205) [system] get_char((0x563acd73bee0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1219468)
   Call: (206) [system] peek_char((0x563acd73bee0), _1220402)
   Exit: (206) [system] peek_char((0x563acd73bee0), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_1225122, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_1226054, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x563acd73bee0), o)
   Exit: (206) [system] get_char((0x563acd73bee0), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1233404)
   Call: (207) [system] peek_char((0x563acd73bee0), _1234338)
   Exit: (207) [system] peek_char((0x563acd73bee0), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_1239058, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_1239990, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x563acd73bee0), o)
   Exit: (207) [system] get_char((0x563acd73bee0), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1247340)
   Call: (208) [system] peek_char((0x563acd73bee0), _1248274)
   Exit: (208) [system] peek_char((0x563acd73bee0), f)
^  Call: (208) [user] is_delimiter(f)
   Call: (209) [system] char_type(f, space)
   Fail: (209) [system] char_type(f, space)
   Call: (209) [system] arg(_1252994, v('(', ')', end_of_file), f)
   Fail: (209) [system] arg(_1253926, v('(', ')', end_of_file), f)
^  Fail: (208) [user] is_delimiter(f)
   Call: (208) [system] ')'==f
   Fail: (208) [system] ')'==f
   Call: (208) [system] get_char((0x563acd73bee0), f)
   Exit: (208) [system] get_char((0x563acd73bee0), f)
   Call: (208) [system] f=(\)
   Fail: (208) [system] f=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1261276)
   Call: (209) [system] peek_char((0x563acd73bee0), _1262210)
   Exit: (209) [system] peek_char((0x563acd73bee0), '4')
^  Call: (209) [user] is_delimiter('4')
   Call: (210) [system] char_type('4', space)
   Fail: (210) [system] char_type('4', space)
   Call: (210) [system] arg(_1266930, v('(', ')', end_of_file), '4')
   Fail: (210) [system] arg(_1267862, v('(', ')', end_of_file), '4')
^  Fail: (209) [user] is_delimiter('4')
   Call: (209) [system] ')'=='4'
   Fail: (209) [system] ')'=='4'
   Call: (209) [system] get_char((0x563acd73bee0), '4')
   Exit: (209) [system] get_char((0x563acd73bee0), '4')
   Call: (209) [system] '4'=(\)
   Fail: (209) [system] '4'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1275212)
   Call: (210) [system] peek_char((0x563acd73bee0), _1276146)
   Exit: (210) [system] peek_char((0x563acd73bee0), ')')
^  Call: (210) [user] is_delimiter(')')
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] arg(_1280866, v('(', ')', end_of_file), ')')
   Exit: (211) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (210) [user] is_delimiter(')')
   Call: (210) [system] _1275212=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (209) [system] _1261276=['4']
   Exit: (209) [system] ['4']=['4']
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), ['4'])
   Call: (208) [system] _1247340=[f, '4']
   Exit: (208) [system] [f, '4']=[f, '4']
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [f, '4'])
   Call: (207) [system] _1233404=[o, f, '4']
   Exit: (207) [system] [o, f, '4']=[o, f, '4']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, f, '4'])
   Call: (206) [system] _1219468=[o, o, f, '4']
   Exit: (206) [system] [o, o, f, '4']=[o, o, f, '4']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, o, f, '4'])
   Call: (205) [system] _1205532=[r, o, o, f, '4']
   Exit: (205) [system] [r, o, o, f, '4']=[r, o, o, f, '4']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, o, f, '4'])
   Call: (204) [system] _1191596=[p, r, o, o, f, '4']
   Exit: (204) [system] [p, r, o, o, f, '4']=[p, r, o, o, f, '4']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, o, o, f, '4'])
^  Call: (203) [user] classify_and_convert_charseq([$, p, r, o, o, f, '4'], _1156086)
^  Call: (204) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '4'], _1304066)
   Call: (205) [system] atom_chars(_1304998, ['_', p, r, o, o, f, '4'])
   Exit: (205) [system] atom_chars('_proof4', ['_', p, r, o, o, f, '4'])
^  Exit: (204) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '4'], _proof4)
   Call: (204) [system] integer(_proof4)
   Fail: (204) [system] integer(_proof4)
   Call: (204) [system] _1156086=_proof4
   Exit: (204) [system] _proof4=_proof4
^  Exit: (203) [user] classify_and_convert_charseq([$, p, r, o, o, f, '4'], _proof4)
^  Exit: (202) [user] read_symbolic(')', (0x563acd73bee0), $, _proof4)
^  Exit: (201) [user] cont_sexpr(')', (0x563acd73bee0), _proof4)
^  Call: (201) [user] read_list(')', (0x563acd73bee0), _1314290)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1316148)
   Exit: (203) [system] peek_char((0x563acd73bee0), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
   Call: (203) [system] ')'=(/)
   Fail: (203) [system] ')'=(/)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1332158)
   Exit: (202) [system] peek_char((0x563acd73bee0), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x563acd73bee0), _1335948)
   Exit: (202) [system] get_char((0x563acd73bee0), ')')
   Call: (202) [system] _1314290=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x563acd73bee0), [])
   Call: (201) [system] _1119426=[_proof4]
   Exit: (201) [system] [_proof4]=[_proof4]
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), [_proof4])
   Call: (200) [system] _926434=[_proof3, _proof4]
   Exit: (200) [system] [_proof3, _proof4]=[_proof3, _proof4]
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), [_proof3, _proof4])
   Call: (199) [system] _733442=[_proof2, _proof3, _proof4]
   Exit: (199) [system] [_proof2, _proof3, _proof4]=[_proof2, _proof3, _proof4]
^  Exit: (198) [user] read_list(')', (0x563acd73bee0), [_proof2, _proof3, _proof4])
   Call: (198) [system] _540450=[_proof1, _proof2, _proof3, _proof4]
   Exit: (198) [system] [_proof1, _proof2, _proof3, _proof4]=[_proof1, _proof2, _proof3, _proof4]
^  Exit: (197) [user] read_list(')', (0x563acd73bee0), [_proof1, _proof2, _proof3, _proof4])
   Call: (197) [system] _339100=[_ructor, _proof1, _proof2, _proof3, _proof4]
   Exit: (197) [system] [_ructor, _proof1, _proof2, _proof3, _proof4]=[_ructor, _proof1, _proof2, _proof3, _proof4]
^  Exit: (196) [user] read_list(')', (0x563acd73bee0), [_ructor, _proof1, _proof2, _proof3, _proof4])
^  Exit: (195) [user] cont_sexpr(')', (0x563acd73bee0), [_ructor, _proof1, _proof2, _proof3, _proof4])
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _1355418)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1357276)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x563acd73bee0), _1366870)
   Exit: (197) [system] get_char((0x563acd73bee0), ' ')
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1369574)
   Exit: (198) [system] peek_char((0x563acd73bee0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1386508)
   Exit: (196) [system] peek_char((0x563acd73bee0), $)
   Call: (196) [system] ($)=')'
   Fail: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x563acd73bee0), _1392078)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1393936)
   Exit: (198) [system] peek_char((0x563acd73bee0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] get_char((0x563acd73bee0), _1409946)
   Exit: (197) [system] get_char((0x563acd73bee0), $)
   Call: (197) [system] ($)='('
   Fail: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Fail: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Fail: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Fail: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Fail: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Fail: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Fail: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x563acd73bee0), $, _1392078)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _1427588)
   Call: (199) [system] peek_char((0x563acd73bee0), _1428522)
   Exit: (199) [system] peek_char((0x563acd73bee0), c)
^  Call: (199) [user] is_delimiter(c)
   Call: (200) [system] char_type(c, space)
   Fail: (200) [system] char_type(c, space)
   Call: (200) [system] arg(_1433242, v('(', ')', end_of_file), c)
   Fail: (200) [system] arg(_1434174, v('(', ')', end_of_file), c)
^  Fail: (199) [user] is_delimiter(c)
   Call: (199) [system] ')'==c
   Fail: (199) [system] ')'==c
   Call: (199) [system] get_char((0x563acd73bee0), c)
   Exit: (199) [system] get_char((0x563acd73bee0), c)
   Call: (199) [system] c=(\)
   Fail: (199) [system] c=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _1441524)
   Call: (200) [system] peek_char((0x563acd73bee0), _1442458)
   Exit: (200) [system] peek_char((0x563acd73bee0), o)
^  Call: (200) [user] is_delimiter(o)
   Call: (201) [system] char_type(o, space)
   Fail: (201) [system] char_type(o, space)
   Call: (201) [system] arg(_1447178, v('(', ')', end_of_file), o)
   Fail: (201) [system] arg(_1448110, v('(', ')', end_of_file), o)
^  Fail: (200) [user] is_delimiter(o)
   Call: (200) [system] ')'==o
   Fail: (200) [system] ')'==o
   Call: (200) [system] get_char((0x563acd73bee0), o)
   Exit: (200) [system] get_char((0x563acd73bee0), o)
   Call: (200) [system] o=(\)
   Fail: (200) [system] o=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _1455460)
   Call: (201) [system] peek_char((0x563acd73bee0), _1456394)
   Exit: (201) [system] peek_char((0x563acd73bee0), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_1461114, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_1462046, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x563acd73bee0), n)
   Exit: (201) [system] get_char((0x563acd73bee0), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _1469396)
   Call: (202) [system] peek_char((0x563acd73bee0), _1470330)
   Exit: (202) [system] peek_char((0x563acd73bee0), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Fail: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_1475050, v('(', ')', end_of_file), c)
   Fail: (203) [system] arg(_1475982, v('(', ')', end_of_file), c)
^  Fail: (202) [user] is_delimiter(c)
   Call: (202) [system] ')'==c
   Fail: (202) [system] ')'==c
   Call: (202) [system] get_char((0x563acd73bee0), c)
   Exit: (202) [system] get_char((0x563acd73bee0), c)
   Call: (202) [system] c=(\)
   Fail: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1483332)
   Call: (203) [system] peek_char((0x563acd73bee0), _1484266)
   Exit: (203) [system] peek_char((0x563acd73bee0), l)
^  Call: (203) [user] is_delimiter(l)
   Call: (204) [system] char_type(l, space)
   Fail: (204) [system] char_type(l, space)
   Call: (204) [system] arg(_1488986, v('(', ')', end_of_file), l)
   Fail: (204) [system] arg(_1489918, v('(', ')', end_of_file), l)
^  Fail: (203) [user] is_delimiter(l)
   Call: (203) [system] ')'==l
   Fail: (203) [system] ')'==l
   Call: (203) [system] get_char((0x563acd73bee0), l)
   Exit: (203) [system] get_char((0x563acd73bee0), l)
   Call: (203) [system] l=(\)
   Fail: (203) [system] l=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1497268)
   Call: (204) [system] peek_char((0x563acd73bee0), _1498202)
   Exit: (204) [system] peek_char((0x563acd73bee0), u)
^  Call: (204) [user] is_delimiter(u)
   Call: (205) [system] char_type(u, space)
   Fail: (205) [system] char_type(u, space)
   Call: (205) [system] arg(_1502922, v('(', ')', end_of_file), u)
   Fail: (205) [system] arg(_1503854, v('(', ')', end_of_file), u)
^  Fail: (204) [user] is_delimiter(u)
   Call: (204) [system] ')'==u
   Fail: (204) [system] ')'==u
   Call: (204) [system] get_char((0x563acd73bee0), u)
   Exit: (204) [system] get_char((0x563acd73bee0), u)
   Call: (204) [system] u=(\)
   Fail: (204) [system] u=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1511204)
   Call: (205) [system] peek_char((0x563acd73bee0), _1512138)
   Exit: (205) [system] peek_char((0x563acd73bee0), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Fail: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_1516858, v('(', ')', end_of_file), s)
   Fail: (206) [system] arg(_1517790, v('(', ')', end_of_file), s)
^  Fail: (205) [user] is_delimiter(s)
   Call: (205) [system] ')'==s
   Fail: (205) [system] ')'==s
   Call: (205) [system] get_char((0x563acd73bee0), s)
   Exit: (205) [system] get_char((0x563acd73bee0), s)
   Call: (205) [system] s=(\)
   Fail: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1525140)
   Call: (206) [system] peek_char((0x563acd73bee0), _1526074)
   Exit: (206) [system] peek_char((0x563acd73bee0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_1530794, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_1531726, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x563acd73bee0), i)
   Exit: (206) [system] get_char((0x563acd73bee0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1539076)
   Call: (207) [system] peek_char((0x563acd73bee0), _1540010)
   Exit: (207) [system] peek_char((0x563acd73bee0), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_1544730, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_1545662, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x563acd73bee0), o)
   Exit: (207) [system] get_char((0x563acd73bee0), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1553012)
   Call: (208) [system] peek_char((0x563acd73bee0), _1553946)
   Exit: (208) [system] peek_char((0x563acd73bee0), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Fail: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_1558666, v('(', ')', end_of_file), n)
   Fail: (209) [system] arg(_1559598, v('(', ')', end_of_file), n)
^  Fail: (208) [user] is_delimiter(n)
   Call: (208) [system] ')'==n
   Fail: (208) [system] ')'==n
   Call: (208) [system] get_char((0x563acd73bee0), n)
   Exit: (208) [system] get_char((0x563acd73bee0), n)
   Call: (208) [system] n=(\)
   Fail: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1566948)
   Call: (209) [system] peek_char((0x563acd73bee0), _1567882)
   Exit: (209) [system] peek_char((0x563acd73bee0), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_1572602, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _1566948=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (208) [system] _1553012=[n]
   Exit: (208) [system] [n]=[n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (207) [system] _1539076=[o, n]
   Exit: (207) [system] [o, n]=[o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (206) [system] _1525140=[i, o, n]
   Exit: (206) [system] [i, o, n]=[i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (205) [system] _1511204=[s, i, o, n]
   Exit: (205) [system] [s, i, o, n]=[s, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, i, o, n])
   Call: (204) [system] _1497268=[u, s, i, o, n]
   Exit: (204) [system] [u, s, i, o, n]=[u, s, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, s, i, o, n])
   Call: (203) [system] _1483332=[l, u, s, i, o, n]
   Exit: (203) [system] [l, u, s, i, o, n]=[l, u, s, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, u, s, i, o, n])
   Call: (202) [system] _1469396=[c, l, u, s, i, o, n]
   Exit: (202) [system] [c, l, u, s, i, o, n]=[c, l, u, s, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, l, u, s, i, o, n])
   Call: (201) [system] _1455460=[n, c, l, u, s, i, o, n]
   Exit: (201) [system] [n, c, l, u, s, i, o, n]=[n, c, l, u, s, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, l, u, s, i, o, n])
   Call: (200) [system] _1441524=[o, n, c, l, u, s, i, o, n]
   Exit: (200) [system] [o, n, c, l, u, s, i, o, n]=[o, n, c, l, u, s, i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, c, l, u, s, i, o, n])
   Call: (199) [system] _1427588=[c, o, n, c, l, u, s, i, o, n]
   Exit: (199) [system] [c, o, n, c, l, u, s, i, o, n]=[c, o, n, c, l, u, s, i, o, n]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, o, n, c, l, u, s, i, o, n])
^  Call: (198) [user] classify_and_convert_charseq([$, c, o, n, c, l, u, s, i, o, n], _1392078)
^  Call: (199) [user] classify_and_convert_charseq_([$, c, o, n, c, l, u, s, i, o, n], _1606978)
   Call: (200) [system] atom_chars(_1607910, ['_', c, o, n, c, l, u, s, i, o, n])
   Exit: (200) [system] atom_chars('_conclusion', ['_', c, o, n, c, l, u, s, i, o, n])
^  Exit: (199) [user] classify_and_convert_charseq_([$, c, o, n, c, l, u, s, i, o, n], _conclusion)
   Call: (199) [system] integer(_conclusion)
   Fail: (199) [system] integer(_conclusion)
   Call: (199) [system] _1392078=_conclusion
   Exit: (199) [system] _conclusion=_conclusion
^  Exit: (198) [user] classify_and_convert_charseq([$, c, o, n, c, l, u, s, i, o, n], _conclusion)
^  Exit: (197) [user] read_symbolic(')', (0x563acd73bee0), $, _conclusion)
^  Exit: (196) [user] cont_sexpr(')', (0x563acd73bee0), _conclusion)
^  Call: (196) [user] read_list(')', (0x563acd73bee0), _1617202)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1619060)
   Exit: (198) [system] peek_char((0x563acd73bee0), ')')
   Call: (198) [system] ')'=(;)
   Fail: (198) [system] ')'=(;)
   Call: (198) [system] ')'=(/)
   Fail: (198) [system] ')'=(/)
^  Call: (198) [user] is_like_space(')')
   Call: (199) [system] char_type(')', 'white')
   Fail: (199) [system] char_type(')', 'white')
   Call: (199) [system] char_type(')', end_of_line)
   Fail: (199) [system] char_type(')', end_of_line)
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] char_type(')', cntrl)
   Fail: (199) [system] char_type(')', cntrl)
^  Fail: (198) [user] is_like_space(')')
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1635070)
   Exit: (197) [system] peek_char((0x563acd73bee0), ')')
   Call: (197) [system] ')'=')'
   Exit: (197) [system] ')'=')'
   Call: (197) [system] get_char((0x563acd73bee0), _1638860)
   Exit: (197) [system] get_char((0x563acd73bee0), ')')
   Call: (197) [system] _1617202=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_list(')', (0x563acd73bee0), [])
   Call: (196) [system] _1355418=[_conclusion]
   Exit: (196) [system] [_conclusion]=[_conclusion]
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), [_conclusion])
   Call: (195) [system] _302440=[[_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion]
   Exit: (195) [system] [[_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion]=[[_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion]
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), [[_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion])
   Call: (194) [system] _198614=[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion]
   Exit: (194) [system] [:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion]=[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion]
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), [:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion])
^  Exit: (192) [user] cont_sexpr(')', (0x563acd73bee0), [:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion])
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _1652742)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1654600)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x563acd73bee0), _1664194)
   Exit: (194) [system] get_char((0x563acd73bee0), ' ')
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1666898)
   Exit: (195) [system] peek_char((0x563acd73bee0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1683832)
   Exit: (193) [system] peek_char((0x563acd73bee0), $)
   Call: (193) [system] ($)=')'
   Fail: (193) [system] ($)=')'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x563acd73bee0), _1689402)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1691260)
   Exit: (195) [system] peek_char((0x563acd73bee0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] get_char((0x563acd73bee0), _1707270)
   Exit: (194) [system] get_char((0x563acd73bee0), $)
   Call: (194) [system] ($)='('
   Fail: (194) [system] ($)='('
   Call: (194) [system] ($)='['
   Fail: (194) [system] ($)='['
   Call: (194) [system] ($)='{'
   Fail: (194) [system] ($)='{'
   Call: (194) [system] ($)='"'
   Fail: (194) [system] ($)='"'
   Call: (194) [system] ($)=!
   Fail: (194) [system] ($)=!
   Call: (194) [system] ($)='\''
   Fail: (194) [system] ($)='\''
   Call: (194) [system] ($)='`'
   Fail: (194) [system] ($)='`'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x563acd73bee0), $, _1689402)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _1724912)
   Call: (196) [system] peek_char((0x563acd73bee0), _1725846)
   Exit: (196) [system] peek_char((0x563acd73bee0), q)
^  Call: (196) [user] is_delimiter(q)
   Call: (197) [system] char_type(q, space)
   Fail: (197) [system] char_type(q, space)
   Call: (197) [system] arg(_1730566, v('(', ')', end_of_file), q)
   Fail: (197) [system] arg(_1731498, v('(', ')', end_of_file), q)
^  Fail: (196) [user] is_delimiter(q)
   Call: (196) [system] ')'==q
   Fail: (196) [system] ')'==q
   Call: (196) [system] get_char((0x563acd73bee0), q)
   Exit: (196) [system] get_char((0x563acd73bee0), q)
   Call: (196) [system] q=(\)
   Fail: (196) [system] q=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _1738848)
   Call: (197) [system] peek_char((0x563acd73bee0), _1739782)
   Exit: (197) [system] peek_char((0x563acd73bee0), u)
^  Call: (197) [user] is_delimiter(u)
   Call: (198) [system] char_type(u, space)
   Fail: (198) [system] char_type(u, space)
   Call: (198) [system] arg(_1744502, v('(', ')', end_of_file), u)
   Fail: (198) [system] arg(_1745434, v('(', ')', end_of_file), u)
^  Fail: (197) [user] is_delimiter(u)
   Call: (197) [system] ')'==u
   Fail: (197) [system] ')'==u
   Call: (197) [system] get_char((0x563acd73bee0), u)
   Exit: (197) [system] get_char((0x563acd73bee0), u)
   Call: (197) [system] u=(\)
   Fail: (197) [system] u=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _1752784)
   Call: (198) [system] peek_char((0x563acd73bee0), _1753718)
   Exit: (198) [system] peek_char((0x563acd73bee0), e)
^  Call: (198) [user] is_delimiter(e)
   Call: (199) [system] char_type(e, space)
   Fail: (199) [system] char_type(e, space)
   Call: (199) [system] arg(_1758438, v('(', ')', end_of_file), e)
   Fail: (199) [system] arg(_1759370, v('(', ')', end_of_file), e)
^  Fail: (198) [user] is_delimiter(e)
   Call: (198) [system] ')'==e
   Fail: (198) [system] ')'==e
   Call: (198) [system] get_char((0x563acd73bee0), e)
   Exit: (198) [system] get_char((0x563acd73bee0), e)
   Call: (198) [system] e=(\)
   Fail: (198) [system] e=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _1766720)
   Call: (199) [system] peek_char((0x563acd73bee0), _1767654)
   Exit: (199) [system] peek_char((0x563acd73bee0), r)
^  Call: (199) [user] is_delimiter(r)
   Call: (200) [system] char_type(r, space)
   Fail: (200) [system] char_type(r, space)
   Call: (200) [system] arg(_1772374, v('(', ')', end_of_file), r)
   Fail: (200) [system] arg(_1773306, v('(', ')', end_of_file), r)
^  Fail: (199) [user] is_delimiter(r)
   Call: (199) [system] ')'==r
   Fail: (199) [system] ')'==r
   Call: (199) [system] get_char((0x563acd73bee0), r)
   Exit: (199) [system] get_char((0x563acd73bee0), r)
   Call: (199) [system] r=(\)
   Fail: (199) [system] r=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _1780656)
   Call: (200) [system] peek_char((0x563acd73bee0), _1781590)
   Exit: (200) [system] peek_char((0x563acd73bee0), y)
^  Call: (200) [user] is_delimiter(y)
   Call: (201) [system] char_type(y, space)
   Fail: (201) [system] char_type(y, space)
   Call: (201) [system] arg(_1786310, v('(', ')', end_of_file), y)
   Fail: (201) [system] arg(_1787242, v('(', ')', end_of_file), y)
^  Fail: (200) [user] is_delimiter(y)
   Call: (200) [system] ')'==y
   Fail: (200) [system] ')'==y
   Call: (200) [system] get_char((0x563acd73bee0), y)
   Exit: (200) [system] get_char((0x563acd73bee0), y)
   Call: (200) [system] y=(\)
   Fail: (200) [system] y=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _1794592)
   Call: (201) [system] peek_char((0x563acd73bee0), _1795526)
   Exit: (201) [system] peek_char((0x563acd73bee0), ')')
^  Call: (201) [user] is_delimiter(')')
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] arg(_1800246, v('(', ')', end_of_file), ')')
   Exit: (202) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (201) [user] is_delimiter(')')
   Call: (201) [system] _1794592=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (200) [system] _1780656=[y]
   Exit: (200) [system] [y]=[y]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [y])
   Call: (199) [system] _1766720=[r, y]
   Exit: (199) [system] [r, y]=[r, y]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, y])
   Call: (198) [system] _1752784=[e, r, y]
   Exit: (198) [system] [e, r, y]=[e, r, y]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, r, y])
   Call: (197) [system] _1738848=[u, e, r, y]
   Exit: (197) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, e, r, y])
   Call: (196) [system] _1724912=[q, u, e, r, y]
   Exit: (196) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [q, u, e, r, y])
^  Call: (195) [user] classify_and_convert_charseq([$, q, u, e, r, y], _1689402)
^  Call: (196) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _1820652)
   Call: (197) [system] atom_chars(_1821584, ['_', q, u, e, r, y])
   Exit: (197) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (196) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _query)
   Call: (196) [system] integer(_query)
   Fail: (196) [system] integer(_query)
   Call: (196) [system] _1689402=_query
   Exit: (196) [system] _query=_query
^  Exit: (195) [user] classify_and_convert_charseq([$, q, u, e, r, y], _query)
^  Exit: (194) [user] read_symbolic(')', (0x563acd73bee0), $, _query)
^  Exit: (193) [user] cont_sexpr(')', (0x563acd73bee0), _query)
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _1830876)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1832734)
   Exit: (195) [system] peek_char((0x563acd73bee0), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
   Call: (195) [system] ')'=(/)
   Fail: (195) [system] ')'=(/)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1848744)
   Exit: (194) [system] peek_char((0x563acd73bee0), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x563acd73bee0), _1852534)
   Exit: (194) [system] get_char((0x563acd73bee0), ')')
   Call: (194) [system] _1830876=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), [])
   Call: (193) [system] _1652742=[_query]
   Exit: (193) [system] [_query]=[_query]
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), [_query])
   Call: (192) [system] _153596=[[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query]
   Exit: (192) [system] [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query]=[[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query]
^  Exit: (191) [user] read_list(')', (0x563acd73bee0), [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query])
^  Exit: (190) [user] cont_sexpr(')', (0x563acd73bee0), [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query])
^  Call: (190) [user] read_list(')', (0x563acd73bee0), _1863622)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1865480)
   Exit: (192) [system] peek_char((0x563acd73bee0), '\n')
   Call: (192) [system] '\n'=(;)
   Fail: (192) [system] '\n'=(;)
   Call: (192) [system] '\n'=(/)
   Fail: (192) [system] '\n'=(/)
^  Call: (192) [user] is_like_space('\n')
   Call: (193) [system] char_type('\n', 'white')
   Fail: (193) [system] char_type('\n', 'white')
   Call: (193) [system] char_type('\n', end_of_line)
   Exit: (193) [system] char_type('\n', end_of_line)
^  Exit: (192) [user] is_like_space('\n')
   Call: (192) [system] get_char((0x563acd73bee0), _1876930)
   Exit: (192) [system] get_char((0x563acd73bee0), '\n')
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1879634)
   Exit: (193) [system] peek_char((0x563acd73bee0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x563acd73bee0), _1889228)
   Exit: (193) [system] get_char((0x563acd73bee0), ' ')
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1891932)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x563acd73bee0), _1901526)
   Exit: (194) [system] get_char((0x563acd73bee0), ' ')
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1904230)
   Exit: (195) [system] peek_char((0x563acd73bee0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x563acd73bee0), _1913824)
   Exit: (195) [system] get_char((0x563acd73bee0), ' ')
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1916528)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x563acd73bee0), _1926122)
   Exit: (196) [system] get_char((0x563acd73bee0), ' ')
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1928826)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x563acd73bee0), _1938420)
   Exit: (197) [system] get_char((0x563acd73bee0), ' ')
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1941124)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x563acd73bee0), _1950718)
   Exit: (198) [system] get_char((0x563acd73bee0), ' ')
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1953422)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x563acd73bee0), _1963016)
   Exit: (199) [system] get_char((0x563acd73bee0), ' ')
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1965720)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x563acd73bee0), _1975314)
   Exit: (200) [system] get_char((0x563acd73bee0), ' ')
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1978018)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _1987612)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1990316)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x563acd73bee0), _1999910)
   Exit: (202) [system] get_char((0x563acd73bee0), ' ')
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _2002614)
   Exit: (203) [system] peek_char((0x563acd73bee0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _2028788)
   Exit: (191) [system] peek_char((0x563acd73bee0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x563acd73bee0), _2034358)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _2036216)
   Exit: (193) [system] peek_char((0x563acd73bee0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] get_char((0x563acd73bee0), _2052226)
   Exit: (192) [system] get_char((0x563acd73bee0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _2034358)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _2057796)
   Exit: (194) [system] peek_char((0x563acd73bee0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _2073806)
   Exit: (193) [system] peek_char((0x563acd73bee0), '(')
   Call: (193) [system] '('=')'
   Fail: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
   Fail: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x563acd73bee0), _2079376)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _2081234)
   Exit: (195) [system] peek_char((0x563acd73bee0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] get_char((0x563acd73bee0), _4086)
   Exit: (194) [system] get_char((0x563acd73bee0), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _3654)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _9656)
   Exit: (196) [system] peek_char((0x563acd73bee0), :)
   Call: (196) [system] (:)=(;)
   Fail: (196) [system] (:)=(;)
   Call: (196) [system] (:)=(/)
   Fail: (196) [system] (:)=(/)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Fail: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Fail: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Fail: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
   Fail: (197) [system] char_type(:, cntrl)
^  Fail: (196) [user] is_like_space(:)
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _25666)
   Exit: (195) [system] peek_char((0x563acd73bee0), :)
   Call: (195) [system] (:)=')'
   Fail: (195) [system] (:)=')'
   Call: (195) [system] (:)=end_of_file
   Fail: (195) [system] (:)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x563acd73bee0), _31236)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _33094)
   Exit: (197) [system] peek_char((0x563acd73bee0), :)
   Call: (197) [system] (:)=(;)
   Fail: (197) [system] (:)=(;)
   Call: (197) [system] (:)=(/)
   Fail: (197) [system] (:)=(/)
^  Call: (197) [user] is_like_space(:)
   Call: (198) [system] char_type(:, 'white')
   Fail: (198) [system] char_type(:, 'white')
   Call: (198) [system] char_type(:, end_of_line)
   Fail: (198) [system] char_type(:, end_of_line)
   Call: (198) [system] char_type(:, space)
   Fail: (198) [system] char_type(:, space)
   Call: (198) [system] char_type(:, cntrl)
   Fail: (198) [system] char_type(:, cntrl)
^  Fail: (197) [user] is_like_space(:)
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] get_char((0x563acd73bee0), _49104)
   Exit: (196) [system] get_char((0x563acd73bee0), :)
   Call: (196) [system] (:)='('
   Fail: (196) [system] (:)='('
   Call: (196) [system] (:)='['
   Fail: (196) [system] (:)='['
   Call: (196) [system] (:)='{'
   Fail: (196) [system] (:)='{'
   Call: (196) [system] (:)='"'
   Fail: (196) [system] (:)='"'
   Call: (196) [system] (:)=!
   Fail: (196) [system] (:)=!
   Call: (196) [system] (:)='\''
   Fail: (196) [system] (:)='\''
   Call: (196) [system] (:)='`'
   Fail: (196) [system] (:)='`'
   Call: (196) [system] (:)=end_of_file
   Fail: (196) [system] (:)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x563acd73bee0), :, _31236)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _66746)
   Call: (198) [system] peek_char((0x563acd73bee0), _67680)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _66746=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (197) [user] classify_and_convert_charseq([:], _31236)
^  Call: (198) [user] classify_and_convert_charseq_([:], _76964)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_77916, _77918), once(user:catch(read_from_chars([:], _76964), _77898, fail)), '$restore_trace'(_77916, _77918))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_77916, _77918))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _77898, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(:)
   Exit: (199) [system] atomic(:)
^  Exit: (198) [user] classify_and_convert_charseq_([:], :)
   Call: (198) [system] integer(:)
   Fail: (198) [system] integer(:)
   Call: (198) [system] _31236=(:)
   Exit: (198) [system] (:)=(:)
^  Exit: (197) [user] classify_and_convert_charseq([:], :)
^  Exit: (196) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (195) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _90044)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _91902)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x563acd73bee0), _101496)
   Exit: (197) [system] get_char((0x563acd73bee0), ' ')
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _104200)
   Exit: (198) [system] peek_char((0x563acd73bee0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _121134)
   Exit: (196) [system] peek_char((0x563acd73bee0), $)
   Call: (196) [system] ($)=')'
   Fail: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x563acd73bee0), _126704)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _128562)
   Exit: (198) [system] peek_char((0x563acd73bee0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] get_char((0x563acd73bee0), _144572)
   Exit: (197) [system] get_char((0x563acd73bee0), $)
   Call: (197) [system] ($)='('
   Fail: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Fail: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Fail: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Fail: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Fail: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Fail: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Fail: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x563acd73bee0), $, _126704)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _162214)
   Call: (199) [system] peek_char((0x563acd73bee0), _163148)
   Exit: (199) [system] peek_char((0x563acd73bee0), p)
^  Call: (199) [user] is_delimiter(p)
   Call: (200) [system] char_type(p, space)
   Fail: (200) [system] char_type(p, space)
   Call: (200) [system] arg(_167868, v('(', ')', end_of_file), p)
   Fail: (200) [system] arg(_168800, v('(', ')', end_of_file), p)
^  Fail: (199) [user] is_delimiter(p)
   Call: (199) [system] ')'==p
   Fail: (199) [system] ')'==p
   Call: (199) [system] get_char((0x563acd73bee0), p)
   Exit: (199) [system] get_char((0x563acd73bee0), p)
   Call: (199) [system] p=(\)
   Fail: (199) [system] p=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _176150)
   Call: (200) [system] peek_char((0x563acd73bee0), _177084)
   Exit: (200) [system] peek_char((0x563acd73bee0), r)
^  Call: (200) [user] is_delimiter(r)
   Call: (201) [system] char_type(r, space)
   Fail: (201) [system] char_type(r, space)
   Call: (201) [system] arg(_181804, v('(', ')', end_of_file), r)
   Fail: (201) [system] arg(_182736, v('(', ')', end_of_file), r)
^  Fail: (200) [user] is_delimiter(r)
   Call: (200) [system] ')'==r
   Fail: (200) [system] ')'==r
   Call: (200) [system] get_char((0x563acd73bee0), r)
   Exit: (200) [system] get_char((0x563acd73bee0), r)
   Call: (200) [system] r=(\)
   Fail: (200) [system] r=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _190086)
   Call: (201) [system] peek_char((0x563acd73bee0), _191020)
   Exit: (201) [system] peek_char((0x563acd73bee0), o)
^  Call: (201) [user] is_delimiter(o)
   Call: (202) [system] char_type(o, space)
   Fail: (202) [system] char_type(o, space)
   Call: (202) [system] arg(_195740, v('(', ')', end_of_file), o)
   Fail: (202) [system] arg(_196672, v('(', ')', end_of_file), o)
^  Fail: (201) [user] is_delimiter(o)
   Call: (201) [system] ')'==o
   Fail: (201) [system] ')'==o
   Call: (201) [system] get_char((0x563acd73bee0), o)
   Exit: (201) [system] get_char((0x563acd73bee0), o)
   Call: (201) [system] o=(\)
   Fail: (201) [system] o=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _204022)
   Call: (202) [system] peek_char((0x563acd73bee0), _204956)
   Exit: (202) [system] peek_char((0x563acd73bee0), o)
^  Call: (202) [user] is_delimiter(o)
   Call: (203) [system] char_type(o, space)
   Fail: (203) [system] char_type(o, space)
   Call: (203) [system] arg(_209676, v('(', ')', end_of_file), o)
   Fail: (203) [system] arg(_210608, v('(', ')', end_of_file), o)
^  Fail: (202) [user] is_delimiter(o)
   Call: (202) [system] ')'==o
   Fail: (202) [system] ')'==o
   Call: (202) [system] get_char((0x563acd73bee0), o)
   Exit: (202) [system] get_char((0x563acd73bee0), o)
   Call: (202) [system] o=(\)
   Fail: (202) [system] o=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _217958)
   Call: (203) [system] peek_char((0x563acd73bee0), _218892)
   Exit: (203) [system] peek_char((0x563acd73bee0), f)
^  Call: (203) [user] is_delimiter(f)
   Call: (204) [system] char_type(f, space)
   Fail: (204) [system] char_type(f, space)
   Call: (204) [system] arg(_223612, v('(', ')', end_of_file), f)
   Fail: (204) [system] arg(_224544, v('(', ')', end_of_file), f)
^  Fail: (203) [user] is_delimiter(f)
   Call: (203) [system] ')'==f
   Fail: (203) [system] ')'==f
   Call: (203) [system] get_char((0x563acd73bee0), f)
   Exit: (203) [system] get_char((0x563acd73bee0), f)
   Call: (203) [system] f=(\)
   Fail: (203) [system] f=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _231894)
   Call: (204) [system] peek_char((0x563acd73bee0), _232828)
   Exit: (204) [system] peek_char((0x563acd73bee0), '1')
^  Call: (204) [user] is_delimiter('1')
   Call: (205) [system] char_type('1', space)
   Fail: (205) [system] char_type('1', space)
   Call: (205) [system] arg(_237548, v('(', ')', end_of_file), '1')
   Fail: (205) [system] arg(_238480, v('(', ')', end_of_file), '1')
^  Fail: (204) [user] is_delimiter('1')
   Call: (204) [system] ')'=='1'
   Fail: (204) [system] ')'=='1'
   Call: (204) [system] get_char((0x563acd73bee0), '1')
   Exit: (204) [system] get_char((0x563acd73bee0), '1')
   Call: (204) [system] '1'=(\)
   Fail: (204) [system] '1'=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _245830)
   Call: (205) [system] peek_char((0x563acd73bee0), _246764)
   Exit: (205) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _245830=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (204) [system] _231894=['1']
   Exit: (204) [system] ['1']=['1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), ['1'])
   Call: (203) [system] _217958=[f, '1']
   Exit: (203) [system] [f, '1']=[f, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [f, '1'])
   Call: (202) [system] _204022=[o, f, '1']
   Exit: (202) [system] [o, f, '1']=[o, f, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, f, '1'])
   Call: (201) [system] _190086=[o, o, f, '1']
   Exit: (201) [system] [o, o, f, '1']=[o, o, f, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, o, f, '1'])
   Call: (200) [system] _176150=[r, o, o, f, '1']
   Exit: (200) [system] [r, o, o, f, '1']=[r, o, o, f, '1']
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, o, f, '1'])
   Call: (199) [system] _162214=[p, r, o, o, f, '1']
   Exit: (199) [system] [p, r, o, o, f, '1']=[p, r, o, o, f, '1']
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, o, o, f, '1'])
^  Call: (198) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _126704)
^  Call: (199) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _272812)
   Call: (200) [system] atom_chars(_273744, ['_', p, r, o, o, f, '1'])
   Exit: (200) [system] atom_chars('_proof1', ['_', p, r, o, o, f, '1'])
^  Exit: (199) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _proof1)
   Call: (199) [system] integer(_proof1)
   Fail: (199) [system] integer(_proof1)
   Call: (199) [system] _126704=_proof1
   Exit: (199) [system] _proof1=_proof1
^  Exit: (198) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _proof1)
^  Exit: (197) [user] read_symbolic(')', (0x563acd73bee0), $, _proof1)
^  Exit: (196) [user] cont_sexpr(')', (0x563acd73bee0), _proof1)
^  Call: (196) [user] read_list(')', (0x563acd73bee0), _283036)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _284894)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x563acd73bee0), _294488)
   Exit: (198) [system] get_char((0x563acd73bee0), ' ')
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _297192)
   Exit: (199) [system] peek_char((0x563acd73bee0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _314126)
   Exit: (197) [system] peek_char((0x563acd73bee0), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x563acd73bee0), _319696)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _321554)
   Exit: (199) [system] peek_char((0x563acd73bee0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] get_char((0x563acd73bee0), _337564)
   Exit: (198) [system] get_char((0x563acd73bee0), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x563acd73bee0), $, _319696)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _355206)
   Call: (200) [system] peek_char((0x563acd73bee0), _356140)
   Exit: (200) [system] peek_char((0x563acd73bee0), p)
^  Call: (200) [user] is_delimiter(p)
   Call: (201) [system] char_type(p, space)
   Fail: (201) [system] char_type(p, space)
   Call: (201) [system] arg(_360860, v('(', ')', end_of_file), p)
   Fail: (201) [system] arg(_361792, v('(', ')', end_of_file), p)
^  Fail: (200) [user] is_delimiter(p)
   Call: (200) [system] ')'==p
   Fail: (200) [system] ')'==p
   Call: (200) [system] get_char((0x563acd73bee0), p)
   Exit: (200) [system] get_char((0x563acd73bee0), p)
   Call: (200) [system] p=(\)
   Fail: (200) [system] p=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _369142)
   Call: (201) [system] peek_char((0x563acd73bee0), _370076)
   Exit: (201) [system] peek_char((0x563acd73bee0), r)
^  Call: (201) [user] is_delimiter(r)
   Call: (202) [system] char_type(r, space)
   Fail: (202) [system] char_type(r, space)
   Call: (202) [system] arg(_374796, v('(', ')', end_of_file), r)
   Fail: (202) [system] arg(_375728, v('(', ')', end_of_file), r)
^  Fail: (201) [user] is_delimiter(r)
   Call: (201) [system] ')'==r
   Fail: (201) [system] ')'==r
   Call: (201) [system] get_char((0x563acd73bee0), r)
   Exit: (201) [system] get_char((0x563acd73bee0), r)
   Call: (201) [system] r=(\)
   Fail: (201) [system] r=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _383078)
   Call: (202) [system] peek_char((0x563acd73bee0), _384012)
   Exit: (202) [system] peek_char((0x563acd73bee0), e)
^  Call: (202) [user] is_delimiter(e)
   Call: (203) [system] char_type(e, space)
   Fail: (203) [system] char_type(e, space)
   Call: (203) [system] arg(_388732, v('(', ')', end_of_file), e)
   Fail: (203) [system] arg(_389664, v('(', ')', end_of_file), e)
^  Fail: (202) [user] is_delimiter(e)
   Call: (202) [system] ')'==e
   Fail: (202) [system] ')'==e
   Call: (202) [system] get_char((0x563acd73bee0), e)
   Exit: (202) [system] get_char((0x563acd73bee0), e)
   Call: (202) [system] e=(\)
   Fail: (202) [system] e=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _397014)
   Call: (203) [system] peek_char((0x563acd73bee0), _397948)
   Exit: (203) [system] peek_char((0x563acd73bee0), m)
^  Call: (203) [user] is_delimiter(m)
   Call: (204) [system] char_type(m, space)
   Fail: (204) [system] char_type(m, space)
   Call: (204) [system] arg(_402668, v('(', ')', end_of_file), m)
   Fail: (204) [system] arg(_403600, v('(', ')', end_of_file), m)
^  Fail: (203) [user] is_delimiter(m)
   Call: (203) [system] ')'==m
   Fail: (203) [system] ')'==m
   Call: (203) [system] get_char((0x563acd73bee0), m)
   Exit: (203) [system] get_char((0x563acd73bee0), m)
   Call: (203) [system] m=(\)
   Fail: (203) [system] m=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _410950)
   Call: (204) [system] peek_char((0x563acd73bee0), _411884)
   Exit: (204) [system] peek_char((0x563acd73bee0), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Fail: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_416604, v('(', ')', end_of_file), i)
   Fail: (205) [system] arg(_417536, v('(', ')', end_of_file), i)
^  Fail: (204) [user] is_delimiter(i)
   Call: (204) [system] ')'==i
   Fail: (204) [system] ')'==i
   Call: (204) [system] get_char((0x563acd73bee0), i)
   Exit: (204) [system] get_char((0x563acd73bee0), i)
   Call: (204) [system] i=(\)
   Fail: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _424886)
   Call: (205) [system] peek_char((0x563acd73bee0), _425820)
   Exit: (205) [system] peek_char((0x563acd73bee0), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Fail: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_430540, v('(', ')', end_of_file), s)
   Fail: (206) [system] arg(_431472, v('(', ')', end_of_file), s)
^  Fail: (205) [user] is_delimiter(s)
   Call: (205) [system] ')'==s
   Fail: (205) [system] ')'==s
   Call: (205) [system] get_char((0x563acd73bee0), s)
   Exit: (205) [system] get_char((0x563acd73bee0), s)
   Call: (205) [system] s=(\)
   Fail: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _438822)
   Call: (206) [system] peek_char((0x563acd73bee0), _439756)
   Exit: (206) [system] peek_char((0x563acd73bee0), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Fail: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_444476, v('(', ')', end_of_file), e)
   Fail: (207) [system] arg(_445408, v('(', ')', end_of_file), e)
^  Fail: (206) [user] is_delimiter(e)
   Call: (206) [system] ')'==e
   Fail: (206) [system] ')'==e
   Call: (206) [system] get_char((0x563acd73bee0), e)
   Exit: (206) [system] get_char((0x563acd73bee0), e)
   Call: (206) [system] e=(\)
   Fail: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _452758)
   Call: (207) [system] peek_char((0x563acd73bee0), _453692)
   Exit: (207) [system] peek_char((0x563acd73bee0), '1')
^  Call: (207) [user] is_delimiter('1')
   Call: (208) [system] char_type('1', space)
   Fail: (208) [system] char_type('1', space)
   Call: (208) [system] arg(_458412, v('(', ')', end_of_file), '1')
   Fail: (208) [system] arg(_459344, v('(', ')', end_of_file), '1')
^  Fail: (207) [user] is_delimiter('1')
   Call: (207) [system] ')'=='1'
   Fail: (207) [system] ')'=='1'
   Call: (207) [system] get_char((0x563acd73bee0), '1')
   Exit: (207) [system] get_char((0x563acd73bee0), '1')
   Call: (207) [system] '1'=(\)
   Fail: (207) [system] '1'=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _466694)
   Call: (208) [system] peek_char((0x563acd73bee0), _467628)
   Exit: (208) [system] peek_char((0x563acd73bee0), ')')
^  Call: (208) [user] is_delimiter(')')
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] arg(_472348, v('(', ')', end_of_file), ')')
   Exit: (209) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (208) [user] is_delimiter(')')
   Call: (208) [system] _466694=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (207) [system] _452758=['1']
   Exit: (207) [system] ['1']=['1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), ['1'])
   Call: (206) [system] _438822=[e, '1']
   Exit: (206) [system] [e, '1']=[e, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, '1'])
   Call: (205) [system] _424886=[s, e, '1']
   Exit: (205) [system] [s, e, '1']=[s, e, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, e, '1'])
   Call: (204) [system] _410950=[i, s, e, '1']
   Exit: (204) [system] [i, s, e, '1']=[i, s, e, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, e, '1'])
   Call: (203) [system] _397014=[m, i, s, e, '1']
   Exit: (203) [system] [m, i, s, e, '1']=[m, i, s, e, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, i, s, e, '1'])
   Call: (202) [system] _383078=[e, m, i, s, e, '1']
   Exit: (202) [system] [e, m, i, s, e, '1']=[e, m, i, s, e, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, m, i, s, e, '1'])
   Call: (201) [system] _369142=[r, e, m, i, s, e, '1']
   Exit: (201) [system] [r, e, m, i, s, e, '1']=[r, e, m, i, s, e, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, e, m, i, s, e, '1'])
   Call: (200) [system] _355206=[p, r, e, m, i, s, e, '1']
   Exit: (200) [system] [p, r, e, m, i, s, e, '1']=[p, r, e, m, i, s, e, '1']
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, e, m, i, s, e, '1'])
^  Call: (199) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _319696)
^  Call: (200) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _501136)
   Call: (201) [system] atom_chars(_502068, ['_', p, r, e, m, i, s, e, '1'])
   Exit: (201) [system] atom_chars('_premise1', ['_', p, r, e, m, i, s, e, '1'])
^  Exit: (200) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _premise1)
   Call: (200) [system] integer(_premise1)
   Fail: (200) [system] integer(_premise1)
   Call: (200) [system] _319696=_premise1
   Exit: (200) [system] _premise1=_premise1
^  Exit: (199) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _premise1)
^  Exit: (198) [user] read_symbolic(')', (0x563acd73bee0), $, _premise1)
^  Exit: (197) [user] cont_sexpr(')', (0x563acd73bee0), _premise1)
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _511360)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _513218)
   Exit: (199) [system] peek_char((0x563acd73bee0), ')')
   Call: (199) [system] ')'=(;)
   Fail: (199) [system] ')'=(;)
   Call: (199) [system] ')'=(/)
   Fail: (199) [system] ')'=(/)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Fail: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Fail: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
   Fail: (200) [system] char_type(')', cntrl)
^  Fail: (199) [user] is_like_space(')')
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _529228)
   Exit: (198) [system] peek_char((0x563acd73bee0), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x563acd73bee0), _533018)
   Exit: (198) [system] get_char((0x563acd73bee0), ')')
   Call: (198) [system] _511360=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x563acd73bee0), [])
   Call: (197) [system] _283036=[_premise1]
   Exit: (197) [system] [_premise1]=[_premise1]
^  Exit: (196) [user] read_list(')', (0x563acd73bee0), [_premise1])
   Call: (196) [system] _90044=[_proof1, _premise1]
   Exit: (196) [system] [_proof1, _premise1]=[_proof1, _premise1]
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), [_proof1, _premise1])
   Call: (195) [system] _3654=[:, _proof1, _premise1]
   Exit: (195) [system] [:, _proof1, _premise1]=[:, _proof1, _premise1]
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), [:, _proof1, _premise1])
^  Exit: (193) [user] cont_sexpr(')', (0x563acd73bee0), [:, _proof1, _premise1])
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _546900)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _548758)
   Exit: (195) [system] peek_char((0x563acd73bee0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x563acd73bee0), _558352)
   Exit: (195) [system] get_char((0x563acd73bee0), ' ')
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _561056)
   Exit: (196) [system] peek_char((0x563acd73bee0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _577990)
   Exit: (194) [system] peek_char((0x563acd73bee0), '(')
   Call: (194) [system] '('=')'
   Fail: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
   Fail: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x563acd73bee0), _583560)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _585418)
   Exit: (196) [system] peek_char((0x563acd73bee0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] get_char((0x563acd73bee0), _601428)
   Exit: (195) [system] get_char((0x563acd73bee0), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _583560)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _606998)
   Exit: (197) [system] peek_char((0x563acd73bee0), s)
   Call: (197) [system] s=(;)
   Fail: (197) [system] s=(;)
   Call: (197) [system] s=(/)
   Fail: (197) [system] s=(/)
^  Call: (197) [user] is_like_space(s)
   Call: (198) [system] char_type(s, 'white')
   Fail: (198) [system] char_type(s, 'white')
   Call: (198) [system] char_type(s, end_of_line)
   Fail: (198) [system] char_type(s, end_of_line)
   Call: (198) [system] char_type(s, space)
   Fail: (198) [system] char_type(s, space)
   Call: (198) [system] char_type(s, cntrl)
   Fail: (198) [system] char_type(s, cntrl)
^  Fail: (197) [user] is_like_space(s)
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _623008)
   Exit: (196) [system] peek_char((0x563acd73bee0), s)
   Call: (196) [system] s=')'
   Fail: (196) [system] s=')'
   Call: (196) [system] s=end_of_file
   Fail: (196) [system] s=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x563acd73bee0), _628578)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _630436)
   Exit: (198) [system] peek_char((0x563acd73bee0), s)
   Call: (198) [system] s=(;)
   Fail: (198) [system] s=(;)
   Call: (198) [system] s=(/)
   Fail: (198) [system] s=(/)
^  Call: (198) [user] is_like_space(s)
   Call: (199) [system] char_type(s, 'white')
   Fail: (199) [system] char_type(s, 'white')
   Call: (199) [system] char_type(s, end_of_line)
   Fail: (199) [system] char_type(s, end_of_line)
   Call: (199) [system] char_type(s, space)
   Fail: (199) [system] char_type(s, space)
   Call: (199) [system] char_type(s, cntrl)
   Fail: (199) [system] char_type(s, cntrl)
^  Fail: (198) [user] is_like_space(s)
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] get_char((0x563acd73bee0), _646446)
   Exit: (197) [system] get_char((0x563acd73bee0), s)
   Call: (197) [system] s='('
   Fail: (197) [system] s='('
   Call: (197) [system] s='['
   Fail: (197) [system] s='['
   Call: (197) [system] s='{'
   Fail: (197) [system] s='{'
   Call: (197) [system] s='"'
   Fail: (197) [system] s='"'
   Call: (197) [system] s=!
   Fail: (197) [system] s=!
   Call: (197) [system] s='\''
   Fail: (197) [system] s='\''
   Call: (197) [system] s='`'
   Fail: (197) [system] s='`'
   Call: (197) [system] s=end_of_file
   Fail: (197) [system] s=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x563acd73bee0), s, _628578)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _664088)
   Call: (199) [system] peek_char((0x563acd73bee0), _665022)
   Exit: (199) [system] peek_char((0x563acd73bee0), y)
^  Call: (199) [user] is_delimiter(y)
   Call: (200) [system] char_type(y, space)
   Fail: (200) [system] char_type(y, space)
   Call: (200) [system] arg(_669742, v('(', ')', end_of_file), y)
   Fail: (200) [system] arg(_670674, v('(', ')', end_of_file), y)
^  Fail: (199) [user] is_delimiter(y)
   Call: (199) [system] ')'==y
   Fail: (199) [system] ')'==y
   Call: (199) [system] get_char((0x563acd73bee0), y)
   Exit: (199) [system] get_char((0x563acd73bee0), y)
   Call: (199) [system] y=(\)
   Fail: (199) [system] y=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _678024)
   Call: (200) [system] peek_char((0x563acd73bee0), _678958)
   Exit: (200) [system] peek_char((0x563acd73bee0), n)
^  Call: (200) [user] is_delimiter(n)
   Call: (201) [system] char_type(n, space)
   Fail: (201) [system] char_type(n, space)
   Call: (201) [system] arg(_683678, v('(', ')', end_of_file), n)
   Fail: (201) [system] arg(_684610, v('(', ')', end_of_file), n)
^  Fail: (200) [user] is_delimiter(n)
   Call: (200) [system] ')'==n
   Fail: (200) [system] ')'==n
   Call: (200) [system] get_char((0x563acd73bee0), n)
   Exit: (200) [system] get_char((0x563acd73bee0), n)
   Call: (200) [system] n=(\)
   Fail: (200) [system] n=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _691960)
   Call: (201) [system] peek_char((0x563acd73bee0), _692894)
   Exit: (201) [system] peek_char((0x563acd73bee0), t)
^  Call: (201) [user] is_delimiter(t)
   Call: (202) [system] char_type(t, space)
   Fail: (202) [system] char_type(t, space)
   Call: (202) [system] arg(_697614, v('(', ')', end_of_file), t)
   Fail: (202) [system] arg(_698546, v('(', ')', end_of_file), t)
^  Fail: (201) [user] is_delimiter(t)
   Call: (201) [system] ')'==t
   Fail: (201) [system] ')'==t
   Call: (201) [system] get_char((0x563acd73bee0), t)
   Exit: (201) [system] get_char((0x563acd73bee0), t)
   Call: (201) [system] t=(\)
   Fail: (201) [system] t=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _705896)
   Call: (202) [system] peek_char((0x563acd73bee0), _706830)
   Exit: (202) [system] peek_char((0x563acd73bee0), h)
^  Call: (202) [user] is_delimiter(h)
   Call: (203) [system] char_type(h, space)
   Fail: (203) [system] char_type(h, space)
   Call: (203) [system] arg(_711550, v('(', ')', end_of_file), h)
   Fail: (203) [system] arg(_712482, v('(', ')', end_of_file), h)
^  Fail: (202) [user] is_delimiter(h)
   Call: (202) [system] ')'==h
   Fail: (202) [system] ')'==h
   Call: (202) [system] get_char((0x563acd73bee0), h)
   Exit: (202) [system] get_char((0x563acd73bee0), h)
   Call: (202) [system] h=(\)
   Fail: (202) [system] h=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _719832)
   Call: (203) [system] peek_char((0x563acd73bee0), _720766)
   Exit: (203) [system] peek_char((0x563acd73bee0), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Fail: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_725486, v('(', ')', end_of_file), e)
   Fail: (204) [system] arg(_726418, v('(', ')', end_of_file), e)
^  Fail: (203) [user] is_delimiter(e)
   Call: (203) [system] ')'==e
   Fail: (203) [system] ')'==e
   Call: (203) [system] get_char((0x563acd73bee0), e)
   Exit: (203) [system] get_char((0x563acd73bee0), e)
   Call: (203) [system] e=(\)
   Fail: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _733768)
   Call: (204) [system] peek_char((0x563acd73bee0), _734702)
   Exit: (204) [system] peek_char((0x563acd73bee0), s)
^  Call: (204) [user] is_delimiter(s)
   Call: (205) [system] char_type(s, space)
   Fail: (205) [system] char_type(s, space)
   Call: (205) [system] arg(_739422, v('(', ')', end_of_file), s)
   Fail: (205) [system] arg(_740354, v('(', ')', end_of_file), s)
^  Fail: (204) [user] is_delimiter(s)
   Call: (204) [system] ')'==s
   Fail: (204) [system] ')'==s
   Call: (204) [system] get_char((0x563acd73bee0), s)
   Exit: (204) [system] get_char((0x563acd73bee0), s)
   Call: (204) [system] s=(\)
   Fail: (204) [system] s=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _747704)
   Call: (205) [system] peek_char((0x563acd73bee0), _748638)
   Exit: (205) [system] peek_char((0x563acd73bee0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_753358, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_754290, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x563acd73bee0), i)
   Exit: (205) [system] get_char((0x563acd73bee0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _761640)
   Call: (206) [system] peek_char((0x563acd73bee0), _762574)
   Exit: (206) [system] peek_char((0x563acd73bee0), z)
^  Call: (206) [user] is_delimiter(z)
   Call: (207) [system] char_type(z, space)
   Fail: (207) [system] char_type(z, space)
   Call: (207) [system] arg(_767294, v('(', ')', end_of_file), z)
   Fail: (207) [system] arg(_768226, v('(', ')', end_of_file), z)
^  Fail: (206) [user] is_delimiter(z)
   Call: (206) [system] ')'==z
   Fail: (206) [system] ')'==z
   Call: (206) [system] get_char((0x563acd73bee0), z)
   Exit: (206) [system] get_char((0x563acd73bee0), z)
   Call: (206) [system] z=(\)
   Fail: (206) [system] z=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _775576)
   Call: (207) [system] peek_char((0x563acd73bee0), _776510)
   Exit: (207) [system] peek_char((0x563acd73bee0), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_781230, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_782162, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x563acd73bee0), e)
   Exit: (207) [system] get_char((0x563acd73bee0), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _789512)
   Call: (208) [system] peek_char((0x563acd73bee0), _790446)
   Exit: (208) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _789512=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (207) [system] _775576=[e]
   Exit: (207) [system] [e]=[e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [e])
   Call: (206) [system] _761640=[z, e]
   Exit: (206) [system] [z, e]=[z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [z, e])
   Call: (205) [system] _747704=[i, z, e]
   Exit: (205) [system] [i, z, e]=[i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, z, e])
   Call: (204) [system] _733768=[s, i, z, e]
   Exit: (204) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, i, z, e])
   Call: (203) [system] _719832=[e, s, i, z, e]
   Exit: (203) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, s, i, z, e])
   Call: (202) [system] _705896=[h, e, s, i, z, e]
   Exit: (202) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [h, e, s, i, z, e])
   Call: (201) [system] _691960=[t, h, e, s, i, z, e]
   Exit: (201) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, h, e, s, i, z, e])
   Call: (200) [system] _678024=[n, t, h, e, s, i, z, e]
   Exit: (200) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, h, e, s, i, z, e])
   Call: (199) [system] _664088=[y, n, t, h, e, s, i, z, e]
   Exit: (199) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [y, n, t, h, e, s, i, z, e])
^  Call: (198) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _628578)
^  Call: (199) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _824876)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_825828, _825830), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _824876), _825810, fail)), '$restore_trace'(_825828, _825830))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_825828, _825830))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _825810, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(synthesize)
   Exit: (200) [system] atomic(synthesize)
^  Exit: (199) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (199) [system] integer(synthesize)
   Fail: (199) [system] integer(synthesize)
   Call: (199) [system] _628578=synthesize
   Exit: (199) [system] synthesize=synthesize
^  Exit: (198) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (197) [user] read_symbolic(')', (0x563acd73bee0), s, synthesize)
^  Exit: (196) [user] cont_sexpr(')', (0x563acd73bee0), synthesize)
^  Call: (196) [user] read_list(')', (0x563acd73bee0), _837956)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _839814)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x563acd73bee0), _849408)
   Exit: (198) [system] get_char((0x563acd73bee0), ' ')
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _852112)
   Exit: (199) [system] peek_char((0x563acd73bee0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _869046)
   Exit: (197) [system] peek_char((0x563acd73bee0), '(')
   Call: (197) [system] '('=')'
   Fail: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
   Fail: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x563acd73bee0), _874616)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _876474)
   Exit: (199) [system] peek_char((0x563acd73bee0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] get_char((0x563acd73bee0), _892484)
   Exit: (198) [system] get_char((0x563acd73bee0), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _874616)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _898054)
   Exit: (200) [system] peek_char((0x563acd73bee0), :)
   Call: (200) [system] (:)=(;)
   Fail: (200) [system] (:)=(;)
   Call: (200) [system] (:)=(/)
   Fail: (200) [system] (:)=(/)
^  Call: (200) [user] is_like_space(:)
   Call: (201) [system] char_type(:, 'white')
   Fail: (201) [system] char_type(:, 'white')
   Call: (201) [system] char_type(:, end_of_line)
   Fail: (201) [system] char_type(:, end_of_line)
   Call: (201) [system] char_type(:, space)
   Fail: (201) [system] char_type(:, space)
   Call: (201) [system] char_type(:, cntrl)
   Fail: (201) [system] char_type(:, cntrl)
^  Fail: (200) [user] is_like_space(:)
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _914064)
   Exit: (199) [system] peek_char((0x563acd73bee0), :)
   Call: (199) [system] (:)=')'
   Fail: (199) [system] (:)=')'
   Call: (199) [system] (:)=end_of_file
   Fail: (199) [system] (:)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x563acd73bee0), _919634)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _921492)
   Exit: (201) [system] peek_char((0x563acd73bee0), :)
   Call: (201) [system] (:)=(;)
   Fail: (201) [system] (:)=(;)
   Call: (201) [system] (:)=(/)
   Fail: (201) [system] (:)=(/)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Fail: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Fail: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Fail: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
   Fail: (202) [system] char_type(:, cntrl)
^  Fail: (201) [user] is_like_space(:)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] get_char((0x563acd73bee0), _937502)
   Exit: (200) [system] get_char((0x563acd73bee0), :)
   Call: (200) [system] (:)='('
   Fail: (200) [system] (:)='('
   Call: (200) [system] (:)='['
   Fail: (200) [system] (:)='['
   Call: (200) [system] (:)='{'
   Fail: (200) [system] (:)='{'
   Call: (200) [system] (:)='"'
   Fail: (200) [system] (:)='"'
   Call: (200) [system] (:)=!
   Fail: (200) [system] (:)=!
   Call: (200) [system] (:)='\''
   Fail: (200) [system] (:)='\''
   Call: (200) [system] (:)='`'
   Fail: (200) [system] (:)='`'
   Call: (200) [system] (:)=end_of_file
   Fail: (200) [system] (:)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x563acd73bee0), :, _919634)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _955144)
   Call: (202) [system] peek_char((0x563acd73bee0), _956078)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _955144=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (201) [user] classify_and_convert_charseq([:], _919634)
^  Call: (202) [user] classify_and_convert_charseq_([:], _965362)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_966314, _966316), once(user:catch(read_from_chars([:], _965362), _966296, fail)), '$restore_trace'(_966314, _966316))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_966314, _966316))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _966296, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(:)
   Exit: (203) [system] atomic(:)
^  Exit: (202) [user] classify_and_convert_charseq_([:], :)
   Call: (202) [system] integer(:)
   Fail: (202) [system] integer(:)
   Call: (202) [system] _919634=(:)
   Exit: (202) [system] (:)=(:)
^  Exit: (201) [user] classify_and_convert_charseq([:], :)
^  Exit: (200) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (199) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _978442)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _980300)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _989894)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _992598)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1009532)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x563acd73bee0), _1015102)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1016960)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] get_char((0x563acd73bee0), _1032970)
   Exit: (201) [system] get_char((0x563acd73bee0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x563acd73bee0), $, _1015102)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1050612)
   Call: (203) [system] peek_char((0x563acd73bee0), _1051546)
   Exit: (203) [system] peek_char((0x563acd73bee0), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Fail: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_1056266, v('(', ')', end_of_file), p)
   Fail: (204) [system] arg(_1057198, v('(', ')', end_of_file), p)
^  Fail: (203) [user] is_delimiter(p)
   Call: (203) [system] ')'==p
   Fail: (203) [system] ')'==p
   Call: (203) [system] get_char((0x563acd73bee0), p)
   Exit: (203) [system] get_char((0x563acd73bee0), p)
   Call: (203) [system] p=(\)
   Fail: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1064548)
   Call: (204) [system] peek_char((0x563acd73bee0), _1065482)
   Exit: (204) [system] peek_char((0x563acd73bee0), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_1070202, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_1071134, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x563acd73bee0), r)
   Exit: (204) [system] get_char((0x563acd73bee0), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1078484)
   Call: (205) [system] peek_char((0x563acd73bee0), _1079418)
   Exit: (205) [system] peek_char((0x563acd73bee0), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_1084138, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_1085070, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x563acd73bee0), o)
   Exit: (205) [system] get_char((0x563acd73bee0), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1092420)
   Call: (206) [system] peek_char((0x563acd73bee0), _1093354)
   Exit: (206) [system] peek_char((0x563acd73bee0), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_1098074, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_1099006, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x563acd73bee0), o)
   Exit: (206) [system] get_char((0x563acd73bee0), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1106356)
   Call: (207) [system] peek_char((0x563acd73bee0), _1107290)
   Exit: (207) [system] peek_char((0x563acd73bee0), f)
^  Call: (207) [user] is_delimiter(f)
   Call: (208) [system] char_type(f, space)
   Fail: (208) [system] char_type(f, space)
   Call: (208) [system] arg(_1112010, v('(', ')', end_of_file), f)
   Fail: (208) [system] arg(_1112942, v('(', ')', end_of_file), f)
^  Fail: (207) [user] is_delimiter(f)
   Call: (207) [system] ')'==f
   Fail: (207) [system] ')'==f
   Call: (207) [system] get_char((0x563acd73bee0), f)
   Exit: (207) [system] get_char((0x563acd73bee0), f)
   Call: (207) [system] f=(\)
   Fail: (207) [system] f=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1120292)
   Call: (208) [system] peek_char((0x563acd73bee0), _1121226)
   Exit: (208) [system] peek_char((0x563acd73bee0), '1')
^  Call: (208) [user] is_delimiter('1')
   Call: (209) [system] char_type('1', space)
   Fail: (209) [system] char_type('1', space)
   Call: (209) [system] arg(_1125946, v('(', ')', end_of_file), '1')
   Fail: (209) [system] arg(_1126878, v('(', ')', end_of_file), '1')
^  Fail: (208) [user] is_delimiter('1')
   Call: (208) [system] ')'=='1'
   Fail: (208) [system] ')'=='1'
   Call: (208) [system] get_char((0x563acd73bee0), '1')
   Exit: (208) [system] get_char((0x563acd73bee0), '1')
   Call: (208) [system] '1'=(\)
   Fail: (208) [system] '1'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1134228)
   Call: (209) [system] peek_char((0x563acd73bee0), _1135162)
   Exit: (209) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _1134228=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (208) [system] _1120292=['1']
   Exit: (208) [system] ['1']=['1']
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), ['1'])
   Call: (207) [system] _1106356=[f, '1']
   Exit: (207) [system] [f, '1']=[f, '1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [f, '1'])
   Call: (206) [system] _1092420=[o, f, '1']
   Exit: (206) [system] [o, f, '1']=[o, f, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, f, '1'])
   Call: (205) [system] _1078484=[o, o, f, '1']
   Exit: (205) [system] [o, o, f, '1']=[o, o, f, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, o, f, '1'])
   Call: (204) [system] _1064548=[r, o, o, f, '1']
   Exit: (204) [system] [r, o, o, f, '1']=[r, o, o, f, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, o, f, '1'])
   Call: (203) [system] _1050612=[p, r, o, o, f, '1']
   Exit: (203) [system] [p, r, o, o, f, '1']=[p, r, o, o, f, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, o, o, f, '1'])
^  Call: (202) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _1015102)
^  Call: (203) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _1161210)
   Call: (204) [system] atom_chars(_1162142, ['_', p, r, o, o, f, '1'])
   Exit: (204) [system] atom_chars('_proof1', ['_', p, r, o, o, f, '1'])
^  Exit: (203) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _proof1)
   Call: (203) [system] integer(_proof1)
   Fail: (203) [system] integer(_proof1)
   Call: (203) [system] _1015102=_proof1
   Exit: (203) [system] _proof1=_proof1
^  Exit: (202) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _proof1)
^  Exit: (201) [user] read_symbolic(')', (0x563acd73bee0), $, _proof1)
^  Exit: (200) [user] cont_sexpr(')', (0x563acd73bee0), _proof1)
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _1171434)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1173292)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x563acd73bee0), _1182886)
   Exit: (202) [system] get_char((0x563acd73bee0), ' ')
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1185590)
   Exit: (203) [system] peek_char((0x563acd73bee0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1202524)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x563acd73bee0), _1208094)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1209952)
   Exit: (203) [system] peek_char((0x563acd73bee0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] get_char((0x563acd73bee0), _1225962)
   Exit: (202) [system] get_char((0x563acd73bee0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x563acd73bee0), $, _1208094)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1243604)
   Call: (204) [system] peek_char((0x563acd73bee0), _1244538)
   Exit: (204) [system] peek_char((0x563acd73bee0), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Fail: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_1249258, v('(', ')', end_of_file), p)
   Fail: (205) [system] arg(_1250190, v('(', ')', end_of_file), p)
^  Fail: (204) [user] is_delimiter(p)
   Call: (204) [system] ')'==p
   Fail: (204) [system] ')'==p
   Call: (204) [system] get_char((0x563acd73bee0), p)
   Exit: (204) [system] get_char((0x563acd73bee0), p)
   Call: (204) [system] p=(\)
   Fail: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1257540)
   Call: (205) [system] peek_char((0x563acd73bee0), _1258474)
   Exit: (205) [system] peek_char((0x563acd73bee0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_1263194, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_1264126, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x563acd73bee0), r)
   Exit: (205) [system] get_char((0x563acd73bee0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1271476)
   Call: (206) [system] peek_char((0x563acd73bee0), _1272410)
   Exit: (206) [system] peek_char((0x563acd73bee0), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Fail: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_1277130, v('(', ')', end_of_file), e)
   Fail: (207) [system] arg(_1278062, v('(', ')', end_of_file), e)
^  Fail: (206) [user] is_delimiter(e)
   Call: (206) [system] ')'==e
   Fail: (206) [system] ')'==e
   Call: (206) [system] get_char((0x563acd73bee0), e)
   Exit: (206) [system] get_char((0x563acd73bee0), e)
   Call: (206) [system] e=(\)
   Fail: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1285412)
   Call: (207) [system] peek_char((0x563acd73bee0), _1286346)
   Exit: (207) [system] peek_char((0x563acd73bee0), m)
^  Call: (207) [user] is_delimiter(m)
   Call: (208) [system] char_type(m, space)
   Fail: (208) [system] char_type(m, space)
   Call: (208) [system] arg(_1291066, v('(', ')', end_of_file), m)
   Fail: (208) [system] arg(_1291998, v('(', ')', end_of_file), m)
^  Fail: (207) [user] is_delimiter(m)
   Call: (207) [system] ')'==m
   Fail: (207) [system] ')'==m
   Call: (207) [system] get_char((0x563acd73bee0), m)
   Exit: (207) [system] get_char((0x563acd73bee0), m)
   Call: (207) [system] m=(\)
   Fail: (207) [system] m=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1299348)
   Call: (208) [system] peek_char((0x563acd73bee0), _1300282)
   Exit: (208) [system] peek_char((0x563acd73bee0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_1305002, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_1305934, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x563acd73bee0), i)
   Exit: (208) [system] get_char((0x563acd73bee0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1313284)
   Call: (209) [system] peek_char((0x563acd73bee0), _1314218)
   Exit: (209) [system] peek_char((0x563acd73bee0), s)
^  Call: (209) [user] is_delimiter(s)
   Call: (210) [system] char_type(s, space)
   Fail: (210) [system] char_type(s, space)
   Call: (210) [system] arg(_1318938, v('(', ')', end_of_file), s)
   Fail: (210) [system] arg(_1319870, v('(', ')', end_of_file), s)
^  Fail: (209) [user] is_delimiter(s)
   Call: (209) [system] ')'==s
   Fail: (209) [system] ')'==s
   Call: (209) [system] get_char((0x563acd73bee0), s)
   Exit: (209) [system] get_char((0x563acd73bee0), s)
   Call: (209) [system] s=(\)
   Fail: (209) [system] s=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1327220)
   Call: (210) [system] peek_char((0x563acd73bee0), _1328154)
   Exit: (210) [system] peek_char((0x563acd73bee0), e)
^  Call: (210) [user] is_delimiter(e)
   Call: (211) [system] char_type(e, space)
   Fail: (211) [system] char_type(e, space)
   Call: (211) [system] arg(_1332874, v('(', ')', end_of_file), e)
   Fail: (211) [system] arg(_1333806, v('(', ')', end_of_file), e)
^  Fail: (210) [user] is_delimiter(e)
   Call: (210) [system] ')'==e
   Fail: (210) [system] ')'==e
   Call: (210) [system] get_char((0x563acd73bee0), e)
   Exit: (210) [system] get_char((0x563acd73bee0), e)
   Call: (210) [system] e=(\)
   Fail: (210) [system] e=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1341156)
   Call: (211) [system] peek_char((0x563acd73bee0), _1342090)
   Exit: (211) [system] peek_char((0x563acd73bee0), '1')
^  Call: (211) [user] is_delimiter('1')
   Call: (212) [system] char_type('1', space)
   Fail: (212) [system] char_type('1', space)
   Call: (212) [system] arg(_1346810, v('(', ')', end_of_file), '1')
   Fail: (212) [system] arg(_1347742, v('(', ')', end_of_file), '1')
^  Fail: (211) [user] is_delimiter('1')
   Call: (211) [system] ')'=='1'
   Fail: (211) [system] ')'=='1'
   Call: (211) [system] get_char((0x563acd73bee0), '1')
   Exit: (211) [system] get_char((0x563acd73bee0), '1')
   Call: (211) [system] '1'=(\)
   Fail: (211) [system] '1'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1355092)
   Call: (212) [system] peek_char((0x563acd73bee0), _1356026)
   Exit: (212) [system] peek_char((0x563acd73bee0), ')')
^  Call: (212) [user] is_delimiter(')')
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] arg(_1360746, v('(', ')', end_of_file), ')')
   Exit: (213) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (212) [user] is_delimiter(')')
   Call: (212) [system] _1355092=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (211) [system] _1341156=['1']
   Exit: (211) [system] ['1']=['1']
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), ['1'])
   Call: (210) [system] _1327220=[e, '1']
   Exit: (210) [system] [e, '1']=[e, '1']
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, '1'])
   Call: (209) [system] _1313284=[s, e, '1']
   Exit: (209) [system] [s, e, '1']=[s, e, '1']
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, e, '1'])
   Call: (208) [system] _1299348=[i, s, e, '1']
   Exit: (208) [system] [i, s, e, '1']=[i, s, e, '1']
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, e, '1'])
   Call: (207) [system] _1285412=[m, i, s, e, '1']
   Exit: (207) [system] [m, i, s, e, '1']=[m, i, s, e, '1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, i, s, e, '1'])
   Call: (206) [system] _1271476=[e, m, i, s, e, '1']
   Exit: (206) [system] [e, m, i, s, e, '1']=[e, m, i, s, e, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, m, i, s, e, '1'])
   Call: (205) [system] _1257540=[r, e, m, i, s, e, '1']
   Exit: (205) [system] [r, e, m, i, s, e, '1']=[r, e, m, i, s, e, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, e, m, i, s, e, '1'])
   Call: (204) [system] _1243604=[p, r, e, m, i, s, e, '1']
   Exit: (204) [system] [p, r, e, m, i, s, e, '1']=[p, r, e, m, i, s, e, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, e, m, i, s, e, '1'])
^  Call: (203) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _1208094)
^  Call: (204) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _1389534)
   Call: (205) [system] atom_chars(_1390466, ['_', p, r, e, m, i, s, e, '1'])
   Exit: (205) [system] atom_chars('_premise1', ['_', p, r, e, m, i, s, e, '1'])
^  Exit: (204) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _premise1)
   Call: (204) [system] integer(_premise1)
   Fail: (204) [system] integer(_premise1)
   Call: (204) [system] _1208094=_premise1
   Exit: (204) [system] _premise1=_premise1
^  Exit: (203) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _premise1)
^  Exit: (202) [user] read_symbolic(')', (0x563acd73bee0), $, _premise1)
^  Exit: (201) [user] cont_sexpr(')', (0x563acd73bee0), _premise1)
^  Call: (201) [user] read_list(')', (0x563acd73bee0), _1399758)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1401616)
   Exit: (203) [system] peek_char((0x563acd73bee0), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
   Call: (203) [system] ')'=(/)
   Fail: (203) [system] ')'=(/)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1417626)
   Exit: (202) [system] peek_char((0x563acd73bee0), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x563acd73bee0), _1421416)
   Exit: (202) [system] get_char((0x563acd73bee0), ')')
   Call: (202) [system] _1399758=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x563acd73bee0), [])
   Call: (201) [system] _1171434=[_premise1]
   Exit: (201) [system] [_premise1]=[_premise1]
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), [_premise1])
   Call: (200) [system] _978442=[_proof1, _premise1]
   Exit: (200) [system] [_proof1, _premise1]=[_proof1, _premise1]
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), [_proof1, _premise1])
   Call: (199) [system] _874616=[:, _proof1, _premise1]
   Exit: (199) [system] [:, _proof1, _premise1]=[:, _proof1, _premise1]
^  Exit: (198) [user] read_list(')', (0x563acd73bee0), [:, _proof1, _premise1])
^  Exit: (197) [user] cont_sexpr(')', (0x563acd73bee0), [:, _proof1, _premise1])
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _1435298)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1437156)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x563acd73bee0), _1446750)
   Exit: (199) [system] get_char((0x563acd73bee0), ' ')
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1449454)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1466388)
   Exit: (198) [system] peek_char((0x563acd73bee0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x563acd73bee0), _1471958)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1473816)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] get_char((0x563acd73bee0), _1489826)
   Exit: (199) [system] get_char((0x563acd73bee0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x563acd73bee0), $, _1471958)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _1507468)
   Call: (201) [system] peek_char((0x563acd73bee0), _1508402)
   Exit: (201) [system] peek_char((0x563acd73bee0), k)
^  Call: (201) [user] is_delimiter(k)
   Call: (202) [system] char_type(k, space)
   Fail: (202) [system] char_type(k, space)
   Call: (202) [system] arg(_1513122, v('(', ')', end_of_file), k)
   Fail: (202) [system] arg(_1514054, v('(', ')', end_of_file), k)
^  Fail: (201) [user] is_delimiter(k)
   Call: (201) [system] ')'==k
   Fail: (201) [system] ')'==k
   Call: (201) [system] get_char((0x563acd73bee0), k)
   Exit: (201) [system] get_char((0x563acd73bee0), k)
   Call: (201) [system] k=(\)
   Fail: (201) [system] k=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _1521404)
   Call: (202) [system] peek_char((0x563acd73bee0), _1522338)
   Exit: (202) [system] peek_char((0x563acd73bee0), b)
^  Call: (202) [user] is_delimiter(b)
   Call: (203) [system] char_type(b, space)
   Fail: (203) [system] char_type(b, space)
   Call: (203) [system] arg(_1527058, v('(', ')', end_of_file), b)
   Fail: (203) [system] arg(_1527990, v('(', ')', end_of_file), b)
^  Fail: (202) [user] is_delimiter(b)
   Call: (202) [system] ')'==b
   Fail: (202) [system] ')'==b
   Call: (202) [system] get_char((0x563acd73bee0), b)
   Exit: (202) [system] get_char((0x563acd73bee0), b)
   Call: (202) [system] b=(\)
   Fail: (202) [system] b=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1535340)
   Call: (203) [system] peek_char((0x563acd73bee0), _1536274)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _1535340=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (202) [system] _1521404=[b]
   Exit: (202) [system] [b]=[b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
   Call: (201) [system] _1507468=[k, b]
   Exit: (201) [system] [k, b]=[k, b]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [k, b])
^  Call: (200) [user] classify_and_convert_charseq([$, k, b], _1471958)
^  Call: (201) [user] classify_and_convert_charseq_([$, k, b], _1551146)
   Call: (202) [system] atom_chars(_1552078, ['_', k, b])
   Exit: (202) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (201) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (201) [system] integer(_kb)
   Fail: (201) [system] integer(_kb)
   Call: (201) [system] _1471958=_kb
   Exit: (201) [system] _kb=_kb
^  Exit: (200) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (199) [user] read_symbolic(')', (0x563acd73bee0), $, _kb)
^  Exit: (198) [user] cont_sexpr(')', (0x563acd73bee0), _kb)
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _1561370)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1563228)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x563acd73bee0), _1572822)
   Exit: (200) [system] get_char((0x563acd73bee0), ' ')
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1575526)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1592460)
   Exit: (199) [system] peek_char((0x563acd73bee0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x563acd73bee0), _1598030)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1599888)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] get_char((0x563acd73bee0), _1615898)
   Exit: (200) [system] get_char((0x563acd73bee0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x563acd73bee0), $, _1598030)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _1633540)
   Call: (202) [system] peek_char((0x563acd73bee0), _1634474)
   Exit: (202) [system] peek_char((0x563acd73bee0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_1639194, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_1640126, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x563acd73bee0), r)
   Exit: (202) [system] get_char((0x563acd73bee0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1647476)
   Call: (203) [system] peek_char((0x563acd73bee0), _1648410)
   Exit: (203) [system] peek_char((0x563acd73bee0), b)
^  Call: (203) [user] is_delimiter(b)
   Call: (204) [system] char_type(b, space)
   Fail: (204) [system] char_type(b, space)
   Call: (204) [system] arg(_1653130, v('(', ')', end_of_file), b)
   Fail: (204) [system] arg(_1654062, v('(', ')', end_of_file), b)
^  Fail: (203) [user] is_delimiter(b)
   Call: (203) [system] ')'==b
   Fail: (203) [system] ')'==b
   Call: (203) [system] get_char((0x563acd73bee0), b)
   Exit: (203) [system] get_char((0x563acd73bee0), b)
   Call: (203) [system] b=(\)
   Fail: (203) [system] b=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1661412)
   Call: (204) [system] peek_char((0x563acd73bee0), _1662346)
   Exit: (204) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _1661412=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (203) [system] _1647476=[b]
   Exit: (203) [system] [b]=[b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
   Call: (202) [system] _1633540=[r, b]
   Exit: (202) [system] [r, b]=[r, b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, b])
^  Call: (201) [user] classify_and_convert_charseq([$, r, b], _1598030)
^  Call: (202) [user] classify_and_convert_charseq_([$, r, b], _1677218)
   Call: (203) [system] atom_chars(_1678150, ['_', r, b])
   Exit: (203) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (202) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (202) [system] integer(_rb)
   Fail: (202) [system] integer(_rb)
   Call: (202) [system] _1598030=_rb
   Exit: (202) [system] _rb=_rb
^  Exit: (201) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (200) [user] read_symbolic(')', (0x563acd73bee0), $, _rb)
^  Exit: (199) [user] cont_sexpr(')', (0x563acd73bee0), _rb)
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _1687442)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1689300)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _1698894)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1701598)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1718532)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x563acd73bee0), _1724102)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1725960)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] get_char((0x563acd73bee0), _1741970)
   Exit: (201) [system] get_char((0x563acd73bee0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x563acd73bee0), $, _1724102)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1759612)
   Call: (203) [system] peek_char((0x563acd73bee0), _1760546)
   Exit: (203) [system] peek_char((0x563acd73bee0), k)
^  Call: (203) [user] is_delimiter(k)
   Call: (204) [system] char_type(k, space)
   Fail: (204) [system] char_type(k, space)
   Call: (204) [system] arg(_1765266, v('(', ')', end_of_file), k)
   Fail: (204) [system] arg(_1766198, v('(', ')', end_of_file), k)
^  Fail: (203) [user] is_delimiter(k)
   Call: (203) [system] ')'==k
   Fail: (203) [system] ')'==k
   Call: (203) [system] get_char((0x563acd73bee0), k)
   Exit: (203) [system] get_char((0x563acd73bee0), k)
   Call: (203) [system] k=(\)
   Fail: (203) [system] k=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1773548)
   Call: (204) [system] peek_char((0x563acd73bee0), _1774482)
   Exit: (204) [system] peek_char((0x563acd73bee0), ')')
^  Call: (204) [user] is_delimiter(')')
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] arg(_1779202, v('(', ')', end_of_file), ')')
   Exit: (205) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (204) [user] is_delimiter(')')
   Call: (204) [system] _1773548=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (203) [system] _1759612=[k]
   Exit: (203) [system] [k]=[k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
^  Call: (202) [user] classify_and_convert_charseq([$, k], _1724102)
^  Call: (203) [user] classify_and_convert_charseq_([$, k], _1788432)
   Call: (204) [system] atom_chars(_1789364, ['_', k])
   Exit: (204) [system] atom_chars('_k', ['_', k])
^  Exit: (203) [user] classify_and_convert_charseq_([$, k], _k)
   Call: (203) [system] integer(_k)
   Fail: (203) [system] integer(_k)
   Call: (203) [system] _1724102=_k
   Exit: (203) [system] _k=_k
^  Exit: (202) [user] classify_and_convert_charseq([$, k], _k)
^  Exit: (201) [user] read_symbolic(')', (0x563acd73bee0), $, _k)
^  Exit: (200) [user] cont_sexpr(')', (0x563acd73bee0), _k)
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _1798656)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1800514)
   Exit: (202) [system] peek_char((0x563acd73bee0), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
   Call: (202) [system] ')'=(/)
   Fail: (202) [system] ')'=(/)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1816524)
   Exit: (201) [system] peek_char((0x563acd73bee0), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x563acd73bee0), _1820314)
   Exit: (201) [system] get_char((0x563acd73bee0), ')')
   Call: (201) [system] _1798656=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), [])
   Call: (200) [system] _1687442=[_k]
   Exit: (200) [system] [_k]=[_k]
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), [_k])
   Call: (199) [system] _1561370=[_rb, _k]
   Exit: (199) [system] [_rb, _k]=[_rb, _k]
^  Exit: (198) [user] read_list(')', (0x563acd73bee0), [_rb, _k])
   Call: (198) [system] _1435298=[_kb, _rb, _k]
   Exit: (198) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (197) [user] read_list(')', (0x563acd73bee0), [_kb, _rb, _k])
   Call: (197) [system] _837956=[[:, _proof1, _premise1], _kb, _rb, _k]
   Exit: (197) [system] [[:, _proof1, _premise1], _kb, _rb, _k]=[[:, _proof1, _premise1], _kb, _rb, _k]
^  Exit: (196) [user] read_list(')', (0x563acd73bee0), [[:, _proof1, _premise1], _kb, _rb, _k])
   Call: (196) [system] _583560=[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]
   Exit: (196) [system] [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]=[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), [synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
^  Exit: (194) [user] cont_sexpr(')', (0x563acd73bee0), [synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _1839784)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1841642)
   Exit: (196) [system] peek_char((0x563acd73bee0), ')')
   Call: (196) [system] ')'=(;)
   Fail: (196) [system] ')'=(;)
   Call: (196) [system] ')'=(/)
   Fail: (196) [system] ')'=(/)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Fail: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Fail: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
   Fail: (197) [system] char_type(')', cntrl)
^  Fail: (196) [user] is_like_space(')')
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1857652)
   Exit: (195) [system] peek_char((0x563acd73bee0), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x563acd73bee0), _1861442)
   Exit: (195) [system] get_char((0x563acd73bee0), ')')
   Call: (195) [system] _1839784=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), [])
   Call: (194) [system] _546900=[[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
   Exit: (194) [system] [[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]=[[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), [[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
   Call: (193) [system] _3648=[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
   Exit: (193) [system] [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]=[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
^  Exit: (191) [user] cont_sexpr(')', (0x563acd73bee0), [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
^  Call: (191) [user] read_list(')', (0x563acd73bee0), _1872530)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1874388)
   Exit: (193) [system] peek_char((0x563acd73bee0), '\n')
   Call: (193) [system] '\n'=(;)
   Fail: (193) [system] '\n'=(;)
   Call: (193) [system] '\n'=(/)
   Fail: (193) [system] '\n'=(/)
^  Call: (193) [user] is_like_space('\n')
   Call: (194) [system] char_type('\n', 'white')
   Fail: (194) [system] char_type('\n', 'white')
   Call: (194) [system] char_type('\n', end_of_line)
   Exit: (194) [system] char_type('\n', end_of_line)
^  Exit: (193) [user] is_like_space('\n')
   Call: (193) [system] get_char((0x563acd73bee0), _1885838)
   Exit: (193) [system] get_char((0x563acd73bee0), '\n')
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1888542)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x563acd73bee0), _1898136)
   Exit: (194) [system] get_char((0x563acd73bee0), ' ')
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1900840)
   Exit: (195) [system] peek_char((0x563acd73bee0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x563acd73bee0), _1910434)
   Exit: (195) [system] get_char((0x563acd73bee0), ' ')
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1913138)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x563acd73bee0), _1922732)
   Exit: (196) [system] get_char((0x563acd73bee0), ' ')
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1925436)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x563acd73bee0), _1935030)
   Exit: (197) [system] get_char((0x563acd73bee0), ' ')
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1937734)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x563acd73bee0), _1947328)
   Exit: (198) [system] get_char((0x563acd73bee0), ' ')
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1950032)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x563acd73bee0), _1959626)
   Exit: (199) [system] get_char((0x563acd73bee0), ' ')
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1962330)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x563acd73bee0), _1971924)
   Exit: (200) [system] get_char((0x563acd73bee0), ' ')
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1974628)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _1984222)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1986926)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x563acd73bee0), _1996520)
   Exit: (202) [system] get_char((0x563acd73bee0), ' ')
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1999224)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x563acd73bee0), _2008818)
   Exit: (203) [system] get_char((0x563acd73bee0), ' ')
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _2011522)
   Exit: (204) [system] peek_char((0x563acd73bee0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
   Call: (204) [system] '('=(/)
   Fail: (204) [system] '('=(/)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _2037696)
   Exit: (192) [system] peek_char((0x563acd73bee0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x563acd73bee0), _2043266)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _2045124)
   Exit: (194) [system] peek_char((0x563acd73bee0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] get_char((0x563acd73bee0), _2061134)
   Exit: (193) [system] get_char((0x563acd73bee0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _2043266)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _2066704)
   Exit: (195) [system] peek_char((0x563acd73bee0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _2082714)
   Exit: (194) [system] peek_char((0x563acd73bee0), '(')
   Call: (194) [system] '('=')'
   Fail: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
   Fail: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x563acd73bee0), _2088284)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _2090142)
   Exit: (196) [system] peek_char((0x563acd73bee0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] get_char((0x563acd73bee0), _13106)
   Exit: (195) [system] get_char((0x563acd73bee0), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _3766)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _18676)
   Exit: (197) [system] peek_char((0x563acd73bee0), :)
   Call: (197) [system] (:)=(;)
   Fail: (197) [system] (:)=(;)
   Call: (197) [system] (:)=(/)
   Fail: (197) [system] (:)=(/)
^  Call: (197) [user] is_like_space(:)
   Call: (198) [system] char_type(:, 'white')
   Fail: (198) [system] char_type(:, 'white')
   Call: (198) [system] char_type(:, end_of_line)
   Fail: (198) [system] char_type(:, end_of_line)
   Call: (198) [system] char_type(:, space)
   Fail: (198) [system] char_type(:, space)
   Call: (198) [system] char_type(:, cntrl)
   Fail: (198) [system] char_type(:, cntrl)
^  Fail: (197) [user] is_like_space(:)
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _34686)
   Exit: (196) [system] peek_char((0x563acd73bee0), :)
   Call: (196) [system] (:)=')'
   Fail: (196) [system] (:)=')'
   Call: (196) [system] (:)=end_of_file
   Fail: (196) [system] (:)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x563acd73bee0), _40256)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _42114)
   Exit: (198) [system] peek_char((0x563acd73bee0), :)
   Call: (198) [system] (:)=(;)
   Fail: (198) [system] (:)=(;)
   Call: (198) [system] (:)=(/)
   Fail: (198) [system] (:)=(/)
^  Call: (198) [user] is_like_space(:)
   Call: (199) [system] char_type(:, 'white')
   Fail: (199) [system] char_type(:, 'white')
   Call: (199) [system] char_type(:, end_of_line)
   Fail: (199) [system] char_type(:, end_of_line)
   Call: (199) [system] char_type(:, space)
   Fail: (199) [system] char_type(:, space)
   Call: (199) [system] char_type(:, cntrl)
   Fail: (199) [system] char_type(:, cntrl)
^  Fail: (198) [user] is_like_space(:)
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] get_char((0x563acd73bee0), _58124)
   Exit: (197) [system] get_char((0x563acd73bee0), :)
   Call: (197) [system] (:)='('
   Fail: (197) [system] (:)='('
   Call: (197) [system] (:)='['
   Fail: (197) [system] (:)='['
   Call: (197) [system] (:)='{'
   Fail: (197) [system] (:)='{'
   Call: (197) [system] (:)='"'
   Fail: (197) [system] (:)='"'
   Call: (197) [system] (:)=!
   Fail: (197) [system] (:)=!
   Call: (197) [system] (:)='\''
   Fail: (197) [system] (:)='\''
   Call: (197) [system] (:)='`'
   Fail: (197) [system] (:)='`'
   Call: (197) [system] (:)=end_of_file
   Fail: (197) [system] (:)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x563acd73bee0), :, _40256)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _75766)
   Call: (199) [system] peek_char((0x563acd73bee0), _76700)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (199) [user] is_delimiter(' ')
   Call: (200) [system] char_type(' ', space)
   Exit: (200) [system] char_type(' ', space)
^  Exit: (199) [user] is_delimiter(' ')
   Call: (199) [system] _75766=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (198) [user] classify_and_convert_charseq([:], _40256)
^  Call: (199) [user] classify_and_convert_charseq_([:], _85984)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_86936, _86938), once(user:catch(read_from_chars([:], _85984), _86918, fail)), '$restore_trace'(_86936, _86938))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_86936, _86938))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _86918, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(:)
   Exit: (200) [system] atomic(:)
^  Exit: (199) [user] classify_and_convert_charseq_([:], :)
   Call: (199) [system] integer(:)
   Fail: (199) [system] integer(:)
   Call: (199) [system] _40256=(:)
   Exit: (199) [system] (:)=(:)
^  Exit: (198) [user] classify_and_convert_charseq([:], :)
^  Exit: (197) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (196) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (196) [user] read_list(')', (0x563acd73bee0), _99064)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _100922)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x563acd73bee0), _110516)
   Exit: (198) [system] get_char((0x563acd73bee0), ' ')
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _113220)
   Exit: (199) [system] peek_char((0x563acd73bee0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _130154)
   Exit: (197) [system] peek_char((0x563acd73bee0), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x563acd73bee0), _135724)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _137582)
   Exit: (199) [system] peek_char((0x563acd73bee0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] get_char((0x563acd73bee0), _153592)
   Exit: (198) [system] get_char((0x563acd73bee0), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x563acd73bee0), $, _135724)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _171234)
   Call: (200) [system] peek_char((0x563acd73bee0), _172168)
   Exit: (200) [system] peek_char((0x563acd73bee0), p)
^  Call: (200) [user] is_delimiter(p)
   Call: (201) [system] char_type(p, space)
   Fail: (201) [system] char_type(p, space)
   Call: (201) [system] arg(_176888, v('(', ')', end_of_file), p)
   Fail: (201) [system] arg(_177820, v('(', ')', end_of_file), p)
^  Fail: (200) [user] is_delimiter(p)
   Call: (200) [system] ')'==p
   Fail: (200) [system] ')'==p
   Call: (200) [system] get_char((0x563acd73bee0), p)
   Exit: (200) [system] get_char((0x563acd73bee0), p)
   Call: (200) [system] p=(\)
   Fail: (200) [system] p=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _185170)
   Call: (201) [system] peek_char((0x563acd73bee0), _186104)
   Exit: (201) [system] peek_char((0x563acd73bee0), r)
^  Call: (201) [user] is_delimiter(r)
   Call: (202) [system] char_type(r, space)
   Fail: (202) [system] char_type(r, space)
   Call: (202) [system] arg(_190824, v('(', ')', end_of_file), r)
   Fail: (202) [system] arg(_191756, v('(', ')', end_of_file), r)
^  Fail: (201) [user] is_delimiter(r)
   Call: (201) [system] ')'==r
   Fail: (201) [system] ')'==r
   Call: (201) [system] get_char((0x563acd73bee0), r)
   Exit: (201) [system] get_char((0x563acd73bee0), r)
   Call: (201) [system] r=(\)
   Fail: (201) [system] r=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _199106)
   Call: (202) [system] peek_char((0x563acd73bee0), _200040)
   Exit: (202) [system] peek_char((0x563acd73bee0), o)
^  Call: (202) [user] is_delimiter(o)
   Call: (203) [system] char_type(o, space)
   Fail: (203) [system] char_type(o, space)
   Call: (203) [system] arg(_204760, v('(', ')', end_of_file), o)
   Fail: (203) [system] arg(_205692, v('(', ')', end_of_file), o)
^  Fail: (202) [user] is_delimiter(o)
   Call: (202) [system] ')'==o
   Fail: (202) [system] ')'==o
   Call: (202) [system] get_char((0x563acd73bee0), o)
   Exit: (202) [system] get_char((0x563acd73bee0), o)
   Call: (202) [system] o=(\)
   Fail: (202) [system] o=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _213042)
   Call: (203) [system] peek_char((0x563acd73bee0), _213976)
   Exit: (203) [system] peek_char((0x563acd73bee0), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Fail: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_218696, v('(', ')', end_of_file), o)
   Fail: (204) [system] arg(_219628, v('(', ')', end_of_file), o)
^  Fail: (203) [user] is_delimiter(o)
   Call: (203) [system] ')'==o
   Fail: (203) [system] ')'==o
   Call: (203) [system] get_char((0x563acd73bee0), o)
   Exit: (203) [system] get_char((0x563acd73bee0), o)
   Call: (203) [system] o=(\)
   Fail: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _226978)
   Call: (204) [system] peek_char((0x563acd73bee0), _227912)
   Exit: (204) [system] peek_char((0x563acd73bee0), f)
^  Call: (204) [user] is_delimiter(f)
   Call: (205) [system] char_type(f, space)
   Fail: (205) [system] char_type(f, space)
   Call: (205) [system] arg(_232632, v('(', ')', end_of_file), f)
   Fail: (205) [system] arg(_233564, v('(', ')', end_of_file), f)
^  Fail: (204) [user] is_delimiter(f)
   Call: (204) [system] ')'==f
   Fail: (204) [system] ')'==f
   Call: (204) [system] get_char((0x563acd73bee0), f)
   Exit: (204) [system] get_char((0x563acd73bee0), f)
   Call: (204) [system] f=(\)
   Fail: (204) [system] f=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _240914)
   Call: (205) [system] peek_char((0x563acd73bee0), _241848)
   Exit: (205) [system] peek_char((0x563acd73bee0), '2')
^  Call: (205) [user] is_delimiter('2')
   Call: (206) [system] char_type('2', space)
   Fail: (206) [system] char_type('2', space)
   Call: (206) [system] arg(_246568, v('(', ')', end_of_file), '2')
   Fail: (206) [system] arg(_247500, v('(', ')', end_of_file), '2')
^  Fail: (205) [user] is_delimiter('2')
   Call: (205) [system] ')'=='2'
   Fail: (205) [system] ')'=='2'
   Call: (205) [system] get_char((0x563acd73bee0), '2')
   Exit: (205) [system] get_char((0x563acd73bee0), '2')
   Call: (205) [system] '2'=(\)
   Fail: (205) [system] '2'=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _254850)
   Call: (206) [system] peek_char((0x563acd73bee0), _255784)
   Exit: (206) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _254850=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (205) [system] _240914=['2']
   Exit: (205) [system] ['2']=['2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), ['2'])
   Call: (204) [system] _226978=[f, '2']
   Exit: (204) [system] [f, '2']=[f, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [f, '2'])
   Call: (203) [system] _213042=[o, f, '2']
   Exit: (203) [system] [o, f, '2']=[o, f, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, f, '2'])
   Call: (202) [system] _199106=[o, o, f, '2']
   Exit: (202) [system] [o, o, f, '2']=[o, o, f, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, o, f, '2'])
   Call: (201) [system] _185170=[r, o, o, f, '2']
   Exit: (201) [system] [r, o, o, f, '2']=[r, o, o, f, '2']
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, o, f, '2'])
   Call: (200) [system] _171234=[p, r, o, o, f, '2']
   Exit: (200) [system] [p, r, o, o, f, '2']=[p, r, o, o, f, '2']
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, o, o, f, '2'])
^  Call: (199) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _135724)
^  Call: (200) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _281832)
   Call: (201) [system] atom_chars(_282764, ['_', p, r, o, o, f, '2'])
   Exit: (201) [system] atom_chars('_proof2', ['_', p, r, o, o, f, '2'])
^  Exit: (200) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _proof2)
   Call: (200) [system] integer(_proof2)
   Fail: (200) [system] integer(_proof2)
   Call: (200) [system] _135724=_proof2
   Exit: (200) [system] _proof2=_proof2
^  Exit: (199) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _proof2)
^  Exit: (198) [user] read_symbolic(')', (0x563acd73bee0), $, _proof2)
^  Exit: (197) [user] cont_sexpr(')', (0x563acd73bee0), _proof2)
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _292056)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _293914)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x563acd73bee0), _303508)
   Exit: (199) [system] get_char((0x563acd73bee0), ' ')
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _306212)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _323146)
   Exit: (198) [system] peek_char((0x563acd73bee0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x563acd73bee0), _328716)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _330574)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] get_char((0x563acd73bee0), _346584)
   Exit: (199) [system] get_char((0x563acd73bee0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x563acd73bee0), $, _328716)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _364226)
   Call: (201) [system] peek_char((0x563acd73bee0), _365160)
   Exit: (201) [system] peek_char((0x563acd73bee0), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_369880, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_370812, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x563acd73bee0), p)
   Exit: (201) [system] get_char((0x563acd73bee0), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _378162)
   Call: (202) [system] peek_char((0x563acd73bee0), _379096)
   Exit: (202) [system] peek_char((0x563acd73bee0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_383816, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_384748, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x563acd73bee0), r)
   Exit: (202) [system] get_char((0x563acd73bee0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _392098)
   Call: (203) [system] peek_char((0x563acd73bee0), _393032)
   Exit: (203) [system] peek_char((0x563acd73bee0), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Fail: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_397752, v('(', ')', end_of_file), e)
   Fail: (204) [system] arg(_398684, v('(', ')', end_of_file), e)
^  Fail: (203) [user] is_delimiter(e)
   Call: (203) [system] ')'==e
   Fail: (203) [system] ')'==e
   Call: (203) [system] get_char((0x563acd73bee0), e)
   Exit: (203) [system] get_char((0x563acd73bee0), e)
   Call: (203) [system] e=(\)
   Fail: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _406034)
   Call: (204) [system] peek_char((0x563acd73bee0), _406968)
   Exit: (204) [system] peek_char((0x563acd73bee0), m)
^  Call: (204) [user] is_delimiter(m)
   Call: (205) [system] char_type(m, space)
   Fail: (205) [system] char_type(m, space)
   Call: (205) [system] arg(_411688, v('(', ')', end_of_file), m)
   Fail: (205) [system] arg(_412620, v('(', ')', end_of_file), m)
^  Fail: (204) [user] is_delimiter(m)
   Call: (204) [system] ')'==m
   Fail: (204) [system] ')'==m
   Call: (204) [system] get_char((0x563acd73bee0), m)
   Exit: (204) [system] get_char((0x563acd73bee0), m)
   Call: (204) [system] m=(\)
   Fail: (204) [system] m=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _419970)
   Call: (205) [system] peek_char((0x563acd73bee0), _420904)
   Exit: (205) [system] peek_char((0x563acd73bee0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_425624, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_426556, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x563acd73bee0), i)
   Exit: (205) [system] get_char((0x563acd73bee0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _433906)
   Call: (206) [system] peek_char((0x563acd73bee0), _434840)
   Exit: (206) [system] peek_char((0x563acd73bee0), s)
^  Call: (206) [user] is_delimiter(s)
   Call: (207) [system] char_type(s, space)
   Fail: (207) [system] char_type(s, space)
   Call: (207) [system] arg(_439560, v('(', ')', end_of_file), s)
   Fail: (207) [system] arg(_440492, v('(', ')', end_of_file), s)
^  Fail: (206) [user] is_delimiter(s)
   Call: (206) [system] ')'==s
   Fail: (206) [system] ')'==s
   Call: (206) [system] get_char((0x563acd73bee0), s)
   Exit: (206) [system] get_char((0x563acd73bee0), s)
   Call: (206) [system] s=(\)
   Fail: (206) [system] s=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _447842)
   Call: (207) [system] peek_char((0x563acd73bee0), _448776)
   Exit: (207) [system] peek_char((0x563acd73bee0), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_453496, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_454428, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x563acd73bee0), e)
   Exit: (207) [system] get_char((0x563acd73bee0), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _461778)
   Call: (208) [system] peek_char((0x563acd73bee0), _462712)
   Exit: (208) [system] peek_char((0x563acd73bee0), '2')
^  Call: (208) [user] is_delimiter('2')
   Call: (209) [system] char_type('2', space)
   Fail: (209) [system] char_type('2', space)
   Call: (209) [system] arg(_467432, v('(', ')', end_of_file), '2')
   Fail: (209) [system] arg(_468364, v('(', ')', end_of_file), '2')
^  Fail: (208) [user] is_delimiter('2')
   Call: (208) [system] ')'=='2'
   Fail: (208) [system] ')'=='2'
   Call: (208) [system] get_char((0x563acd73bee0), '2')
   Exit: (208) [system] get_char((0x563acd73bee0), '2')
   Call: (208) [system] '2'=(\)
   Fail: (208) [system] '2'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _475714)
   Call: (209) [system] peek_char((0x563acd73bee0), _476648)
   Exit: (209) [system] peek_char((0x563acd73bee0), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_481368, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _475714=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (208) [system] _461778=['2']
   Exit: (208) [system] ['2']=['2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), ['2'])
   Call: (207) [system] _447842=[e, '2']
   Exit: (207) [system] [e, '2']=[e, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, '2'])
   Call: (206) [system] _433906=[s, e, '2']
   Exit: (206) [system] [s, e, '2']=[s, e, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, e, '2'])
   Call: (205) [system] _419970=[i, s, e, '2']
   Exit: (205) [system] [i, s, e, '2']=[i, s, e, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, e, '2'])
   Call: (204) [system] _406034=[m, i, s, e, '2']
   Exit: (204) [system] [m, i, s, e, '2']=[m, i, s, e, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, i, s, e, '2'])
   Call: (203) [system] _392098=[e, m, i, s, e, '2']
   Exit: (203) [system] [e, m, i, s, e, '2']=[e, m, i, s, e, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, m, i, s, e, '2'])
   Call: (202) [system] _378162=[r, e, m, i, s, e, '2']
   Exit: (202) [system] [r, e, m, i, s, e, '2']=[r, e, m, i, s, e, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, e, m, i, s, e, '2'])
   Call: (201) [system] _364226=[p, r, e, m, i, s, e, '2']
   Exit: (201) [system] [p, r, e, m, i, s, e, '2']=[p, r, e, m, i, s, e, '2']
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, e, m, i, s, e, '2'])
^  Call: (200) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _328716)
^  Call: (201) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _510156)
   Call: (202) [system] atom_chars(_511088, ['_', p, r, e, m, i, s, e, '2'])
   Exit: (202) [system] atom_chars('_premise2', ['_', p, r, e, m, i, s, e, '2'])
^  Exit: (201) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _premise2)
   Call: (201) [system] integer(_premise2)
   Fail: (201) [system] integer(_premise2)
   Call: (201) [system] _328716=_premise2
   Exit: (201) [system] _premise2=_premise2
^  Exit: (200) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _premise2)
^  Exit: (199) [user] read_symbolic(')', (0x563acd73bee0), $, _premise2)
^  Exit: (198) [user] cont_sexpr(')', (0x563acd73bee0), _premise2)
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _520380)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _522238)
   Exit: (200) [system] peek_char((0x563acd73bee0), ')')
   Call: (200) [system] ')'=(;)
   Fail: (200) [system] ')'=(;)
   Call: (200) [system] ')'=(/)
   Fail: (200) [system] ')'=(/)
^  Call: (200) [user] is_like_space(')')
   Call: (201) [system] char_type(')', 'white')
   Fail: (201) [system] char_type(')', 'white')
   Call: (201) [system] char_type(')', end_of_line)
   Fail: (201) [system] char_type(')', end_of_line)
   Call: (201) [system] char_type(')', space)
   Fail: (201) [system] char_type(')', space)
   Call: (201) [system] char_type(')', cntrl)
   Fail: (201) [system] char_type(')', cntrl)
^  Fail: (200) [user] is_like_space(')')
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _538248)
   Exit: (199) [system] peek_char((0x563acd73bee0), ')')
   Call: (199) [system] ')'=')'
   Exit: (199) [system] ')'=')'
   Call: (199) [system] get_char((0x563acd73bee0), _542038)
   Exit: (199) [system] get_char((0x563acd73bee0), ')')
   Call: (199) [system] _520380=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_list(')', (0x563acd73bee0), [])
   Call: (198) [system] _292056=[_premise2]
   Exit: (198) [system] [_premise2]=[_premise2]
^  Exit: (197) [user] read_list(')', (0x563acd73bee0), [_premise2])
   Call: (197) [system] _99064=[_proof2, _premise2]
   Exit: (197) [system] [_proof2, _premise2]=[_proof2, _premise2]
^  Exit: (196) [user] read_list(')', (0x563acd73bee0), [_proof2, _premise2])
   Call: (196) [system] _3766=[:, _proof2, _premise2]
   Exit: (196) [system] [:, _proof2, _premise2]=[:, _proof2, _premise2]
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), [:, _proof2, _premise2])
^  Exit: (194) [user] cont_sexpr(')', (0x563acd73bee0), [:, _proof2, _premise2])
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _555920)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _557778)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x563acd73bee0), _567372)
   Exit: (196) [system] get_char((0x563acd73bee0), ' ')
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _570076)
   Exit: (197) [system] peek_char((0x563acd73bee0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _587010)
   Exit: (195) [system] peek_char((0x563acd73bee0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x563acd73bee0), _592580)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _594438)
   Exit: (197) [system] peek_char((0x563acd73bee0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] get_char((0x563acd73bee0), _610448)
   Exit: (196) [system] get_char((0x563acd73bee0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x563acd73bee0), _592580)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _616018)
   Exit: (198) [system] peek_char((0x563acd73bee0), s)
   Call: (198) [system] s=(;)
   Fail: (198) [system] s=(;)
   Call: (198) [system] s=(/)
   Fail: (198) [system] s=(/)
^  Call: (198) [user] is_like_space(s)
   Call: (199) [system] char_type(s, 'white')
   Fail: (199) [system] char_type(s, 'white')
   Call: (199) [system] char_type(s, end_of_line)
   Fail: (199) [system] char_type(s, end_of_line)
   Call: (199) [system] char_type(s, space)
   Fail: (199) [system] char_type(s, space)
   Call: (199) [system] char_type(s, cntrl)
   Fail: (199) [system] char_type(s, cntrl)
^  Fail: (198) [user] is_like_space(s)
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _632028)
   Exit: (197) [system] peek_char((0x563acd73bee0), s)
   Call: (197) [system] s=')'
   Fail: (197) [system] s=')'
   Call: (197) [system] s=end_of_file
   Fail: (197) [system] s=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x563acd73bee0), _637598)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _639456)
   Exit: (199) [system] peek_char((0x563acd73bee0), s)
   Call: (199) [system] s=(;)
   Fail: (199) [system] s=(;)
   Call: (199) [system] s=(/)
   Fail: (199) [system] s=(/)
^  Call: (199) [user] is_like_space(s)
   Call: (200) [system] char_type(s, 'white')
   Fail: (200) [system] char_type(s, 'white')
   Call: (200) [system] char_type(s, end_of_line)
   Fail: (200) [system] char_type(s, end_of_line)
   Call: (200) [system] char_type(s, space)
   Fail: (200) [system] char_type(s, space)
   Call: (200) [system] char_type(s, cntrl)
   Fail: (200) [system] char_type(s, cntrl)
^  Fail: (199) [user] is_like_space(s)
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] get_char((0x563acd73bee0), _655466)
   Exit: (198) [system] get_char((0x563acd73bee0), s)
   Call: (198) [system] s='('
   Fail: (198) [system] s='('
   Call: (198) [system] s='['
   Fail: (198) [system] s='['
   Call: (198) [system] s='{'
   Fail: (198) [system] s='{'
   Call: (198) [system] s='"'
   Fail: (198) [system] s='"'
   Call: (198) [system] s=!
   Fail: (198) [system] s=!
   Call: (198) [system] s='\''
   Fail: (198) [system] s='\''
   Call: (198) [system] s='`'
   Fail: (198) [system] s='`'
   Call: (198) [system] s=end_of_file
   Fail: (198) [system] s=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x563acd73bee0), s, _637598)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _673108)
   Call: (200) [system] peek_char((0x563acd73bee0), _674042)
   Exit: (200) [system] peek_char((0x563acd73bee0), y)
^  Call: (200) [user] is_delimiter(y)
   Call: (201) [system] char_type(y, space)
   Fail: (201) [system] char_type(y, space)
   Call: (201) [system] arg(_678762, v('(', ')', end_of_file), y)
   Fail: (201) [system] arg(_679694, v('(', ')', end_of_file), y)
^  Fail: (200) [user] is_delimiter(y)
   Call: (200) [system] ')'==y
   Fail: (200) [system] ')'==y
   Call: (200) [system] get_char((0x563acd73bee0), y)
   Exit: (200) [system] get_char((0x563acd73bee0), y)
   Call: (200) [system] y=(\)
   Fail: (200) [system] y=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _687044)
   Call: (201) [system] peek_char((0x563acd73bee0), _687978)
   Exit: (201) [system] peek_char((0x563acd73bee0), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_692698, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_693630, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x563acd73bee0), n)
   Exit: (201) [system] get_char((0x563acd73bee0), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _700980)
   Call: (202) [system] peek_char((0x563acd73bee0), _701914)
   Exit: (202) [system] peek_char((0x563acd73bee0), t)
^  Call: (202) [user] is_delimiter(t)
   Call: (203) [system] char_type(t, space)
   Fail: (203) [system] char_type(t, space)
   Call: (203) [system] arg(_706634, v('(', ')', end_of_file), t)
   Fail: (203) [system] arg(_707566, v('(', ')', end_of_file), t)
^  Fail: (202) [user] is_delimiter(t)
   Call: (202) [system] ')'==t
   Fail: (202) [system] ')'==t
   Call: (202) [system] get_char((0x563acd73bee0), t)
   Exit: (202) [system] get_char((0x563acd73bee0), t)
   Call: (202) [system] t=(\)
   Fail: (202) [system] t=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _714916)
   Call: (203) [system] peek_char((0x563acd73bee0), _715850)
   Exit: (203) [system] peek_char((0x563acd73bee0), h)
^  Call: (203) [user] is_delimiter(h)
   Call: (204) [system] char_type(h, space)
   Fail: (204) [system] char_type(h, space)
   Call: (204) [system] arg(_720570, v('(', ')', end_of_file), h)
   Fail: (204) [system] arg(_721502, v('(', ')', end_of_file), h)
^  Fail: (203) [user] is_delimiter(h)
   Call: (203) [system] ')'==h
   Fail: (203) [system] ')'==h
   Call: (203) [system] get_char((0x563acd73bee0), h)
   Exit: (203) [system] get_char((0x563acd73bee0), h)
   Call: (203) [system] h=(\)
   Fail: (203) [system] h=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _728852)
   Call: (204) [system] peek_char((0x563acd73bee0), _729786)
   Exit: (204) [system] peek_char((0x563acd73bee0), e)
^  Call: (204) [user] is_delimiter(e)
   Call: (205) [system] char_type(e, space)
   Fail: (205) [system] char_type(e, space)
   Call: (205) [system] arg(_734506, v('(', ')', end_of_file), e)
   Fail: (205) [system] arg(_735438, v('(', ')', end_of_file), e)
^  Fail: (204) [user] is_delimiter(e)
   Call: (204) [system] ')'==e
   Fail: (204) [system] ')'==e
   Call: (204) [system] get_char((0x563acd73bee0), e)
   Exit: (204) [system] get_char((0x563acd73bee0), e)
   Call: (204) [system] e=(\)
   Fail: (204) [system] e=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _742788)
   Call: (205) [system] peek_char((0x563acd73bee0), _743722)
   Exit: (205) [system] peek_char((0x563acd73bee0), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Fail: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_748442, v('(', ')', end_of_file), s)
   Fail: (206) [system] arg(_749374, v('(', ')', end_of_file), s)
^  Fail: (205) [user] is_delimiter(s)
   Call: (205) [system] ')'==s
   Fail: (205) [system] ')'==s
   Call: (205) [system] get_char((0x563acd73bee0), s)
   Exit: (205) [system] get_char((0x563acd73bee0), s)
   Call: (205) [system] s=(\)
   Fail: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _756724)
   Call: (206) [system] peek_char((0x563acd73bee0), _757658)
   Exit: (206) [system] peek_char((0x563acd73bee0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_762378, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_763310, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x563acd73bee0), i)
   Exit: (206) [system] get_char((0x563acd73bee0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _770660)
   Call: (207) [system] peek_char((0x563acd73bee0), _771594)
   Exit: (207) [system] peek_char((0x563acd73bee0), z)
^  Call: (207) [user] is_delimiter(z)
   Call: (208) [system] char_type(z, space)
   Fail: (208) [system] char_type(z, space)
   Call: (208) [system] arg(_776314, v('(', ')', end_of_file), z)
   Fail: (208) [system] arg(_777246, v('(', ')', end_of_file), z)
^  Fail: (207) [user] is_delimiter(z)
   Call: (207) [system] ')'==z
   Fail: (207) [system] ')'==z
   Call: (207) [system] get_char((0x563acd73bee0), z)
   Exit: (207) [system] get_char((0x563acd73bee0), z)
   Call: (207) [system] z=(\)
   Fail: (207) [system] z=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _784596)
   Call: (208) [system] peek_char((0x563acd73bee0), _785530)
   Exit: (208) [system] peek_char((0x563acd73bee0), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Fail: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_790250, v('(', ')', end_of_file), e)
   Fail: (209) [system] arg(_791182, v('(', ')', end_of_file), e)
^  Fail: (208) [user] is_delimiter(e)
   Call: (208) [system] ')'==e
   Fail: (208) [system] ')'==e
   Call: (208) [system] get_char((0x563acd73bee0), e)
   Exit: (208) [system] get_char((0x563acd73bee0), e)
   Call: (208) [system] e=(\)
   Fail: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _798532)
   Call: (209) [system] peek_char((0x563acd73bee0), _799466)
   Exit: (209) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _798532=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (208) [system] _784596=[e]
   Exit: (208) [system] [e]=[e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [e])
   Call: (207) [system] _770660=[z, e]
   Exit: (207) [system] [z, e]=[z, e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [z, e])
   Call: (206) [system] _756724=[i, z, e]
   Exit: (206) [system] [i, z, e]=[i, z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, z, e])
   Call: (205) [system] _742788=[s, i, z, e]
   Exit: (205) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, i, z, e])
   Call: (204) [system] _728852=[e, s, i, z, e]
   Exit: (204) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, s, i, z, e])
   Call: (203) [system] _714916=[h, e, s, i, z, e]
   Exit: (203) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [h, e, s, i, z, e])
   Call: (202) [system] _700980=[t, h, e, s, i, z, e]
   Exit: (202) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, h, e, s, i, z, e])
   Call: (201) [system] _687044=[n, t, h, e, s, i, z, e]
   Exit: (201) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, h, e, s, i, z, e])
   Call: (200) [system] _673108=[y, n, t, h, e, s, i, z, e]
   Exit: (200) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [y, n, t, h, e, s, i, z, e])
^  Call: (199) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _637598)
^  Call: (200) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _833896)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_834848, _834850), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _833896), _834830, fail)), '$restore_trace'(_834848, _834850))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_834848, _834850))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _834830, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(synthesize)
   Exit: (201) [system] atomic(synthesize)
^  Exit: (200) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (200) [system] integer(synthesize)
   Fail: (200) [system] integer(synthesize)
   Call: (200) [system] _637598=synthesize
   Exit: (200) [system] synthesize=synthesize
^  Exit: (199) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (198) [user] read_symbolic(')', (0x563acd73bee0), s, synthesize)
^  Exit: (197) [user] cont_sexpr(')', (0x563acd73bee0), synthesize)
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _846976)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _848834)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x563acd73bee0), _858428)
   Exit: (199) [system] get_char((0x563acd73bee0), ' ')
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _861132)
   Exit: (200) [system] peek_char((0x563acd73bee0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _878066)
   Exit: (198) [system] peek_char((0x563acd73bee0), '(')
   Call: (198) [system] '('=')'
   Fail: (198) [system] '('=')'
   Call: (198) [system] '('=end_of_file
   Fail: (198) [system] '('=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x563acd73bee0), _883636)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _885494)
   Exit: (200) [system] peek_char((0x563acd73bee0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] get_char((0x563acd73bee0), _901504)
   Exit: (199) [system] get_char((0x563acd73bee0), '(')
   Call: (199) [system] '('='('
   Exit: (199) [system] '('='('
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _883636)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _907074)
   Exit: (201) [system] peek_char((0x563acd73bee0), :)
   Call: (201) [system] (:)=(;)
   Fail: (201) [system] (:)=(;)
   Call: (201) [system] (:)=(/)
   Fail: (201) [system] (:)=(/)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Fail: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Fail: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Fail: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
   Fail: (202) [system] char_type(:, cntrl)
^  Fail: (201) [user] is_like_space(:)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _923084)
   Exit: (200) [system] peek_char((0x563acd73bee0), :)
   Call: (200) [system] (:)=')'
   Fail: (200) [system] (:)=')'
   Call: (200) [system] (:)=end_of_file
   Fail: (200) [system] (:)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x563acd73bee0), _928654)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _930512)
   Exit: (202) [system] peek_char((0x563acd73bee0), :)
   Call: (202) [system] (:)=(;)
   Fail: (202) [system] (:)=(;)
   Call: (202) [system] (:)=(/)
   Fail: (202) [system] (:)=(/)
^  Call: (202) [user] is_like_space(:)
   Call: (203) [system] char_type(:, 'white')
   Fail: (203) [system] char_type(:, 'white')
   Call: (203) [system] char_type(:, end_of_line)
   Fail: (203) [system] char_type(:, end_of_line)
   Call: (203) [system] char_type(:, space)
   Fail: (203) [system] char_type(:, space)
   Call: (203) [system] char_type(:, cntrl)
   Fail: (203) [system] char_type(:, cntrl)
^  Fail: (202) [user] is_like_space(:)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] get_char((0x563acd73bee0), _946522)
   Exit: (201) [system] get_char((0x563acd73bee0), :)
   Call: (201) [system] (:)='('
   Fail: (201) [system] (:)='('
   Call: (201) [system] (:)='['
   Fail: (201) [system] (:)='['
   Call: (201) [system] (:)='{'
   Fail: (201) [system] (:)='{'
   Call: (201) [system] (:)='"'
   Fail: (201) [system] (:)='"'
   Call: (201) [system] (:)=!
   Fail: (201) [system] (:)=!
   Call: (201) [system] (:)='\''
   Fail: (201) [system] (:)='\''
   Call: (201) [system] (:)='`'
   Fail: (201) [system] (:)='`'
   Call: (201) [system] (:)=end_of_file
   Fail: (201) [system] (:)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x563acd73bee0), :, _928654)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _964164)
   Call: (203) [system] peek_char((0x563acd73bee0), _965098)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _964164=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (202) [user] classify_and_convert_charseq([:], _928654)
^  Call: (203) [user] classify_and_convert_charseq_([:], _974382)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_975334, _975336), once(user:catch(read_from_chars([:], _974382), _975316, fail)), '$restore_trace'(_975334, _975336))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_975334, _975336))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _975316, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(:)
   Exit: (204) [system] atomic(:)
^  Exit: (203) [user] classify_and_convert_charseq_([:], :)
   Call: (203) [system] integer(:)
   Fail: (203) [system] integer(:)
   Call: (203) [system] _928654=(:)
   Exit: (203) [system] (:)=(:)
^  Exit: (202) [user] classify_and_convert_charseq([:], :)
^  Exit: (201) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (200) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _987462)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _989320)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x563acd73bee0), _998914)
   Exit: (202) [system] get_char((0x563acd73bee0), ' ')
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1001618)
   Exit: (203) [system] peek_char((0x563acd73bee0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1018552)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x563acd73bee0), _1024122)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1025980)
   Exit: (203) [system] peek_char((0x563acd73bee0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] get_char((0x563acd73bee0), _1041990)
   Exit: (202) [system] get_char((0x563acd73bee0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x563acd73bee0), $, _1024122)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1059632)
   Call: (204) [system] peek_char((0x563acd73bee0), _1060566)
   Exit: (204) [system] peek_char((0x563acd73bee0), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Fail: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_1065286, v('(', ')', end_of_file), p)
   Fail: (205) [system] arg(_1066218, v('(', ')', end_of_file), p)
^  Fail: (204) [user] is_delimiter(p)
   Call: (204) [system] ')'==p
   Fail: (204) [system] ')'==p
   Call: (204) [system] get_char((0x563acd73bee0), p)
   Exit: (204) [system] get_char((0x563acd73bee0), p)
   Call: (204) [system] p=(\)
   Fail: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1073568)
   Call: (205) [system] peek_char((0x563acd73bee0), _1074502)
   Exit: (205) [system] peek_char((0x563acd73bee0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_1079222, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_1080154, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x563acd73bee0), r)
   Exit: (205) [system] get_char((0x563acd73bee0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1087504)
   Call: (206) [system] peek_char((0x563acd73bee0), _1088438)
   Exit: (206) [system] peek_char((0x563acd73bee0), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_1093158, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_1094090, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x563acd73bee0), o)
   Exit: (206) [system] get_char((0x563acd73bee0), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1101440)
   Call: (207) [system] peek_char((0x563acd73bee0), _1102374)
   Exit: (207) [system] peek_char((0x563acd73bee0), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_1107094, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_1108026, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x563acd73bee0), o)
   Exit: (207) [system] get_char((0x563acd73bee0), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1115376)
   Call: (208) [system] peek_char((0x563acd73bee0), _1116310)
   Exit: (208) [system] peek_char((0x563acd73bee0), f)
^  Call: (208) [user] is_delimiter(f)
   Call: (209) [system] char_type(f, space)
   Fail: (209) [system] char_type(f, space)
   Call: (209) [system] arg(_1121030, v('(', ')', end_of_file), f)
   Fail: (209) [system] arg(_1121962, v('(', ')', end_of_file), f)
^  Fail: (208) [user] is_delimiter(f)
   Call: (208) [system] ')'==f
   Fail: (208) [system] ')'==f
   Call: (208) [system] get_char((0x563acd73bee0), f)
   Exit: (208) [system] get_char((0x563acd73bee0), f)
   Call: (208) [system] f=(\)
   Fail: (208) [system] f=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1129312)
   Call: (209) [system] peek_char((0x563acd73bee0), _1130246)
   Exit: (209) [system] peek_char((0x563acd73bee0), '2')
^  Call: (209) [user] is_delimiter('2')
   Call: (210) [system] char_type('2', space)
   Fail: (210) [system] char_type('2', space)
   Call: (210) [system] arg(_1134966, v('(', ')', end_of_file), '2')
   Fail: (210) [system] arg(_1135898, v('(', ')', end_of_file), '2')
^  Fail: (209) [user] is_delimiter('2')
   Call: (209) [system] ')'=='2'
   Fail: (209) [system] ')'=='2'
   Call: (209) [system] get_char((0x563acd73bee0), '2')
   Exit: (209) [system] get_char((0x563acd73bee0), '2')
   Call: (209) [system] '2'=(\)
   Fail: (209) [system] '2'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1143248)
   Call: (210) [system] peek_char((0x563acd73bee0), _1144182)
   Exit: (210) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1143248=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (209) [system] _1129312=['2']
   Exit: (209) [system] ['2']=['2']
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), ['2'])
   Call: (208) [system] _1115376=[f, '2']
   Exit: (208) [system] [f, '2']=[f, '2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [f, '2'])
   Call: (207) [system] _1101440=[o, f, '2']
   Exit: (207) [system] [o, f, '2']=[o, f, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, f, '2'])
   Call: (206) [system] _1087504=[o, o, f, '2']
   Exit: (206) [system] [o, o, f, '2']=[o, o, f, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, o, f, '2'])
   Call: (205) [system] _1073568=[r, o, o, f, '2']
   Exit: (205) [system] [r, o, o, f, '2']=[r, o, o, f, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, o, f, '2'])
   Call: (204) [system] _1059632=[p, r, o, o, f, '2']
   Exit: (204) [system] [p, r, o, o, f, '2']=[p, r, o, o, f, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, o, o, f, '2'])
^  Call: (203) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _1024122)
^  Call: (204) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _1170230)
   Call: (205) [system] atom_chars(_1171162, ['_', p, r, o, o, f, '2'])
   Exit: (205) [system] atom_chars('_proof2', ['_', p, r, o, o, f, '2'])
^  Exit: (204) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _proof2)
   Call: (204) [system] integer(_proof2)
   Fail: (204) [system] integer(_proof2)
   Call: (204) [system] _1024122=_proof2
   Exit: (204) [system] _proof2=_proof2
^  Exit: (203) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _proof2)
^  Exit: (202) [user] read_symbolic(')', (0x563acd73bee0), $, _proof2)
^  Exit: (201) [user] cont_sexpr(')', (0x563acd73bee0), _proof2)
^  Call: (201) [user] read_list(')', (0x563acd73bee0), _1180454)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1182312)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x563acd73bee0), _1191906)
   Exit: (203) [system] get_char((0x563acd73bee0), ' ')
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1194610)
   Exit: (204) [system] peek_char((0x563acd73bee0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1211544)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=')'
   Fail: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x563acd73bee0), _1217114)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1218972)
   Exit: (204) [system] peek_char((0x563acd73bee0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] get_char((0x563acd73bee0), _1234982)
   Exit: (203) [system] get_char((0x563acd73bee0), $)
   Call: (203) [system] ($)='('
   Fail: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Fail: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Fail: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Fail: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Fail: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Fail: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Fail: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x563acd73bee0), $, _1217114)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1252624)
   Call: (205) [system] peek_char((0x563acd73bee0), _1253558)
   Exit: (205) [system] peek_char((0x563acd73bee0), p)
^  Call: (205) [user] is_delimiter(p)
   Call: (206) [system] char_type(p, space)
   Fail: (206) [system] char_type(p, space)
   Call: (206) [system] arg(_1258278, v('(', ')', end_of_file), p)
   Fail: (206) [system] arg(_1259210, v('(', ')', end_of_file), p)
^  Fail: (205) [user] is_delimiter(p)
   Call: (205) [system] ')'==p
   Fail: (205) [system] ')'==p
   Call: (205) [system] get_char((0x563acd73bee0), p)
   Exit: (205) [system] get_char((0x563acd73bee0), p)
   Call: (205) [system] p=(\)
   Fail: (205) [system] p=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1266560)
   Call: (206) [system] peek_char((0x563acd73bee0), _1267494)
   Exit: (206) [system] peek_char((0x563acd73bee0), r)
^  Call: (206) [user] is_delimiter(r)
   Call: (207) [system] char_type(r, space)
   Fail: (207) [system] char_type(r, space)
   Call: (207) [system] arg(_1272214, v('(', ')', end_of_file), r)
   Fail: (207) [system] arg(_1273146, v('(', ')', end_of_file), r)
^  Fail: (206) [user] is_delimiter(r)
   Call: (206) [system] ')'==r
   Fail: (206) [system] ')'==r
   Call: (206) [system] get_char((0x563acd73bee0), r)
   Exit: (206) [system] get_char((0x563acd73bee0), r)
   Call: (206) [system] r=(\)
   Fail: (206) [system] r=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1280496)
   Call: (207) [system] peek_char((0x563acd73bee0), _1281430)
   Exit: (207) [system] peek_char((0x563acd73bee0), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_1286150, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_1287082, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x563acd73bee0), e)
   Exit: (207) [system] get_char((0x563acd73bee0), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1294432)
   Call: (208) [system] peek_char((0x563acd73bee0), _1295366)
   Exit: (208) [system] peek_char((0x563acd73bee0), m)
^  Call: (208) [user] is_delimiter(m)
   Call: (209) [system] char_type(m, space)
   Fail: (209) [system] char_type(m, space)
   Call: (209) [system] arg(_1300086, v('(', ')', end_of_file), m)
   Fail: (209) [system] arg(_1301018, v('(', ')', end_of_file), m)
^  Fail: (208) [user] is_delimiter(m)
   Call: (208) [system] ')'==m
   Fail: (208) [system] ')'==m
   Call: (208) [system] get_char((0x563acd73bee0), m)
   Exit: (208) [system] get_char((0x563acd73bee0), m)
   Call: (208) [system] m=(\)
   Fail: (208) [system] m=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1308368)
   Call: (209) [system] peek_char((0x563acd73bee0), _1309302)
   Exit: (209) [system] peek_char((0x563acd73bee0), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_1314022, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_1314954, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x563acd73bee0), i)
   Exit: (209) [system] get_char((0x563acd73bee0), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1322304)
   Call: (210) [system] peek_char((0x563acd73bee0), _1323238)
   Exit: (210) [system] peek_char((0x563acd73bee0), s)
^  Call: (210) [user] is_delimiter(s)
   Call: (211) [system] char_type(s, space)
   Fail: (211) [system] char_type(s, space)
   Call: (211) [system] arg(_1327958, v('(', ')', end_of_file), s)
   Fail: (211) [system] arg(_1328890, v('(', ')', end_of_file), s)
^  Fail: (210) [user] is_delimiter(s)
   Call: (210) [system] ')'==s
   Fail: (210) [system] ')'==s
   Call: (210) [system] get_char((0x563acd73bee0), s)
   Exit: (210) [system] get_char((0x563acd73bee0), s)
   Call: (210) [system] s=(\)
   Fail: (210) [system] s=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1336240)
   Call: (211) [system] peek_char((0x563acd73bee0), _1337174)
   Exit: (211) [system] peek_char((0x563acd73bee0), e)
^  Call: (211) [user] is_delimiter(e)
   Call: (212) [system] char_type(e, space)
   Fail: (212) [system] char_type(e, space)
   Call: (212) [system] arg(_1341894, v('(', ')', end_of_file), e)
   Fail: (212) [system] arg(_1342826, v('(', ')', end_of_file), e)
^  Fail: (211) [user] is_delimiter(e)
   Call: (211) [system] ')'==e
   Fail: (211) [system] ')'==e
   Call: (211) [system] get_char((0x563acd73bee0), e)
   Exit: (211) [system] get_char((0x563acd73bee0), e)
   Call: (211) [system] e=(\)
   Fail: (211) [system] e=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1350176)
   Call: (212) [system] peek_char((0x563acd73bee0), _1351110)
   Exit: (212) [system] peek_char((0x563acd73bee0), '2')
^  Call: (212) [user] is_delimiter('2')
   Call: (213) [system] char_type('2', space)
   Fail: (213) [system] char_type('2', space)
   Call: (213) [system] arg(_1355830, v('(', ')', end_of_file), '2')
   Fail: (213) [system] arg(_1356762, v('(', ')', end_of_file), '2')
^  Fail: (212) [user] is_delimiter('2')
   Call: (212) [system] ')'=='2'
   Fail: (212) [system] ')'=='2'
   Call: (212) [system] get_char((0x563acd73bee0), '2')
   Exit: (212) [system] get_char((0x563acd73bee0), '2')
   Call: (212) [system] '2'=(\)
   Fail: (212) [system] '2'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _1364112)
   Call: (213) [system] peek_char((0x563acd73bee0), _1365046)
   Exit: (213) [system] peek_char((0x563acd73bee0), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_1369766, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _1364112=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (212) [system] _1350176=['2']
   Exit: (212) [system] ['2']=['2']
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), ['2'])
   Call: (211) [system] _1336240=[e, '2']
   Exit: (211) [system] [e, '2']=[e, '2']
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, '2'])
   Call: (210) [system] _1322304=[s, e, '2']
   Exit: (210) [system] [s, e, '2']=[s, e, '2']
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, e, '2'])
   Call: (209) [system] _1308368=[i, s, e, '2']
   Exit: (209) [system] [i, s, e, '2']=[i, s, e, '2']
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, e, '2'])
   Call: (208) [system] _1294432=[m, i, s, e, '2']
   Exit: (208) [system] [m, i, s, e, '2']=[m, i, s, e, '2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, i, s, e, '2'])
   Call: (207) [system] _1280496=[e, m, i, s, e, '2']
   Exit: (207) [system] [e, m, i, s, e, '2']=[e, m, i, s, e, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, m, i, s, e, '2'])
   Call: (206) [system] _1266560=[r, e, m, i, s, e, '2']
   Exit: (206) [system] [r, e, m, i, s, e, '2']=[r, e, m, i, s, e, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, e, m, i, s, e, '2'])
   Call: (205) [system] _1252624=[p, r, e, m, i, s, e, '2']
   Exit: (205) [system] [p, r, e, m, i, s, e, '2']=[p, r, e, m, i, s, e, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, e, m, i, s, e, '2'])
^  Call: (204) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _1217114)
^  Call: (205) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _1398554)
   Call: (206) [system] atom_chars(_1399486, ['_', p, r, e, m, i, s, e, '2'])
   Exit: (206) [system] atom_chars('_premise2', ['_', p, r, e, m, i, s, e, '2'])
^  Exit: (205) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _premise2)
   Call: (205) [system] integer(_premise2)
   Fail: (205) [system] integer(_premise2)
   Call: (205) [system] _1217114=_premise2
   Exit: (205) [system] _premise2=_premise2
^  Exit: (204) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _premise2)
^  Exit: (203) [user] read_symbolic(')', (0x563acd73bee0), $, _premise2)
^  Exit: (202) [user] cont_sexpr(')', (0x563acd73bee0), _premise2)
^  Call: (202) [user] read_list(')', (0x563acd73bee0), _1408778)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1410636)
   Exit: (204) [system] peek_char((0x563acd73bee0), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
   Call: (204) [system] ')'=(/)
   Fail: (204) [system] ')'=(/)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1426646)
   Exit: (203) [system] peek_char((0x563acd73bee0), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x563acd73bee0), _1430436)
   Exit: (203) [system] get_char((0x563acd73bee0), ')')
   Call: (203) [system] _1408778=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x563acd73bee0), [])
   Call: (202) [system] _1180454=[_premise2]
   Exit: (202) [system] [_premise2]=[_premise2]
^  Exit: (201) [user] read_list(')', (0x563acd73bee0), [_premise2])
   Call: (201) [system] _987462=[_proof2, _premise2]
   Exit: (201) [system] [_proof2, _premise2]=[_proof2, _premise2]
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), [_proof2, _premise2])
   Call: (200) [system] _883636=[:, _proof2, _premise2]
   Exit: (200) [system] [:, _proof2, _premise2]=[:, _proof2, _premise2]
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), [:, _proof2, _premise2])
^  Exit: (198) [user] cont_sexpr(')', (0x563acd73bee0), [:, _proof2, _premise2])
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _1444318)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1446176)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x563acd73bee0), _1455770)
   Exit: (200) [system] get_char((0x563acd73bee0), ' ')
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1458474)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1475408)
   Exit: (199) [system] peek_char((0x563acd73bee0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x563acd73bee0), _1480978)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1482836)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] get_char((0x563acd73bee0), _1498846)
   Exit: (200) [system] get_char((0x563acd73bee0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x563acd73bee0), $, _1480978)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _1516488)
   Call: (202) [system] peek_char((0x563acd73bee0), _1517422)
   Exit: (202) [system] peek_char((0x563acd73bee0), k)
^  Call: (202) [user] is_delimiter(k)
   Call: (203) [system] char_type(k, space)
   Fail: (203) [system] char_type(k, space)
   Call: (203) [system] arg(_1522142, v('(', ')', end_of_file), k)
   Fail: (203) [system] arg(_1523074, v('(', ')', end_of_file), k)
^  Fail: (202) [user] is_delimiter(k)
   Call: (202) [system] ')'==k
   Fail: (202) [system] ')'==k
   Call: (202) [system] get_char((0x563acd73bee0), k)
   Exit: (202) [system] get_char((0x563acd73bee0), k)
   Call: (202) [system] k=(\)
   Fail: (202) [system] k=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1530424)
   Call: (203) [system] peek_char((0x563acd73bee0), _1531358)
   Exit: (203) [system] peek_char((0x563acd73bee0), b)
^  Call: (203) [user] is_delimiter(b)
   Call: (204) [system] char_type(b, space)
   Fail: (204) [system] char_type(b, space)
   Call: (204) [system] arg(_1536078, v('(', ')', end_of_file), b)
   Fail: (204) [system] arg(_1537010, v('(', ')', end_of_file), b)
^  Fail: (203) [user] is_delimiter(b)
   Call: (203) [system] ')'==b
   Fail: (203) [system] ')'==b
   Call: (203) [system] get_char((0x563acd73bee0), b)
   Exit: (203) [system] get_char((0x563acd73bee0), b)
   Call: (203) [system] b=(\)
   Fail: (203) [system] b=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1544360)
   Call: (204) [system] peek_char((0x563acd73bee0), _1545294)
   Exit: (204) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _1544360=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (203) [system] _1530424=[b]
   Exit: (203) [system] [b]=[b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
   Call: (202) [system] _1516488=[k, b]
   Exit: (202) [system] [k, b]=[k, b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [k, b])
^  Call: (201) [user] classify_and_convert_charseq([$, k, b], _1480978)
^  Call: (202) [user] classify_and_convert_charseq_([$, k, b], _1560166)
   Call: (203) [system] atom_chars(_1561098, ['_', k, b])
   Exit: (203) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (202) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (202) [system] integer(_kb)
   Fail: (202) [system] integer(_kb)
   Call: (202) [system] _1480978=_kb
   Exit: (202) [system] _kb=_kb
^  Exit: (201) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (200) [user] read_symbolic(')', (0x563acd73bee0), $, _kb)
^  Exit: (199) [user] cont_sexpr(')', (0x563acd73bee0), _kb)
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _1570390)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1572248)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _1581842)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1584546)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1601480)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x563acd73bee0), _1607050)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1608908)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] get_char((0x563acd73bee0), _1624918)
   Exit: (201) [system] get_char((0x563acd73bee0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x563acd73bee0), $, _1607050)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1642560)
   Call: (203) [system] peek_char((0x563acd73bee0), _1643494)
   Exit: (203) [system] peek_char((0x563acd73bee0), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_1648214, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_1649146, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x563acd73bee0), r)
   Exit: (203) [system] get_char((0x563acd73bee0), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1656496)
   Call: (204) [system] peek_char((0x563acd73bee0), _1657430)
   Exit: (204) [system] peek_char((0x563acd73bee0), b)
^  Call: (204) [user] is_delimiter(b)
   Call: (205) [system] char_type(b, space)
   Fail: (205) [system] char_type(b, space)
   Call: (205) [system] arg(_1662150, v('(', ')', end_of_file), b)
   Fail: (205) [system] arg(_1663082, v('(', ')', end_of_file), b)
^  Fail: (204) [user] is_delimiter(b)
   Call: (204) [system] ')'==b
   Fail: (204) [system] ')'==b
   Call: (204) [system] get_char((0x563acd73bee0), b)
   Exit: (204) [system] get_char((0x563acd73bee0), b)
   Call: (204) [system] b=(\)
   Fail: (204) [system] b=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1670432)
   Call: (205) [system] peek_char((0x563acd73bee0), _1671366)
   Exit: (205) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _1670432=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (204) [system] _1656496=[b]
   Exit: (204) [system] [b]=[b]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
   Call: (203) [system] _1642560=[r, b]
   Exit: (203) [system] [r, b]=[r, b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, b])
^  Call: (202) [user] classify_and_convert_charseq([$, r, b], _1607050)
^  Call: (203) [user] classify_and_convert_charseq_([$, r, b], _1686238)
   Call: (204) [system] atom_chars(_1687170, ['_', r, b])
   Exit: (204) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (203) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (203) [system] integer(_rb)
   Fail: (203) [system] integer(_rb)
   Call: (203) [system] _1607050=_rb
   Exit: (203) [system] _rb=_rb
^  Exit: (202) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (201) [user] read_symbolic(')', (0x563acd73bee0), $, _rb)
^  Exit: (200) [user] cont_sexpr(')', (0x563acd73bee0), _rb)
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _1696462)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1698320)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x563acd73bee0), _1707914)
   Exit: (202) [system] get_char((0x563acd73bee0), ' ')
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1710618)
   Exit: (203) [system] peek_char((0x563acd73bee0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1727552)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x563acd73bee0), _1733122)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1734980)
   Exit: (203) [system] peek_char((0x563acd73bee0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] get_char((0x563acd73bee0), _1750990)
   Exit: (202) [system] get_char((0x563acd73bee0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x563acd73bee0), $, _1733122)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1768632)
   Call: (204) [system] peek_char((0x563acd73bee0), _1769566)
   Exit: (204) [system] peek_char((0x563acd73bee0), k)
^  Call: (204) [user] is_delimiter(k)
   Call: (205) [system] char_type(k, space)
   Fail: (205) [system] char_type(k, space)
   Call: (205) [system] arg(_1774286, v('(', ')', end_of_file), k)
   Fail: (205) [system] arg(_1775218, v('(', ')', end_of_file), k)
^  Fail: (204) [user] is_delimiter(k)
   Call: (204) [system] ')'==k
   Fail: (204) [system] ')'==k
   Call: (204) [system] get_char((0x563acd73bee0), k)
   Exit: (204) [system] get_char((0x563acd73bee0), k)
   Call: (204) [system] k=(\)
   Fail: (204) [system] k=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1782568)
   Call: (205) [system] peek_char((0x563acd73bee0), _1783502)
   Exit: (205) [system] peek_char((0x563acd73bee0), ')')
^  Call: (205) [user] is_delimiter(')')
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] arg(_1788222, v('(', ')', end_of_file), ')')
   Exit: (206) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (205) [user] is_delimiter(')')
   Call: (205) [system] _1782568=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (204) [system] _1768632=[k]
   Exit: (204) [system] [k]=[k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
^  Call: (203) [user] classify_and_convert_charseq([$, k], _1733122)
^  Call: (204) [user] classify_and_convert_charseq_([$, k], _1797452)
   Call: (205) [system] atom_chars(_1798384, ['_', k])
   Exit: (205) [system] atom_chars('_k', ['_', k])
^  Exit: (204) [user] classify_and_convert_charseq_([$, k], _k)
   Call: (204) [system] integer(_k)
   Fail: (204) [system] integer(_k)
   Call: (204) [system] _1733122=_k
   Exit: (204) [system] _k=_k
^  Exit: (203) [user] classify_and_convert_charseq([$, k], _k)
^  Exit: (202) [user] read_symbolic(')', (0x563acd73bee0), $, _k)
^  Exit: (201) [user] cont_sexpr(')', (0x563acd73bee0), _k)
^  Call: (201) [user] read_list(')', (0x563acd73bee0), _1807676)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1809534)
   Exit: (203) [system] peek_char((0x563acd73bee0), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
   Call: (203) [system] ')'=(/)
   Fail: (203) [system] ')'=(/)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1825544)
   Exit: (202) [system] peek_char((0x563acd73bee0), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x563acd73bee0), _1829334)
   Exit: (202) [system] get_char((0x563acd73bee0), ')')
   Call: (202) [system] _1807676=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x563acd73bee0), [])
   Call: (201) [system] _1696462=[_k]
   Exit: (201) [system] [_k]=[_k]
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), [_k])
   Call: (200) [system] _1570390=[_rb, _k]
   Exit: (200) [system] [_rb, _k]=[_rb, _k]
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), [_rb, _k])
   Call: (199) [system] _1444318=[_kb, _rb, _k]
   Exit: (199) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (198) [user] read_list(')', (0x563acd73bee0), [_kb, _rb, _k])
   Call: (198) [system] _846976=[[:, _proof2, _premise2], _kb, _rb, _k]
   Exit: (198) [system] [[:, _proof2, _premise2], _kb, _rb, _k]=[[:, _proof2, _premise2], _kb, _rb, _k]
^  Exit: (197) [user] read_list(')', (0x563acd73bee0), [[:, _proof2, _premise2], _kb, _rb, _k])
   Call: (197) [system] _592580=[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]
   Exit: (197) [system] [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]=[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]
^  Exit: (196) [user] read_list(')', (0x563acd73bee0), [synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
^  Exit: (195) [user] cont_sexpr(')', (0x563acd73bee0), [synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _1848804)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1850662)
   Exit: (197) [system] peek_char((0x563acd73bee0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1866672)
   Exit: (196) [system] peek_char((0x563acd73bee0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x563acd73bee0), _1870462)
   Exit: (196) [system] get_char((0x563acd73bee0), ')')
   Call: (196) [system] _1848804=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), [])
   Call: (195) [system] _555920=[[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
   Exit: (195) [system] [[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]=[[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), [[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
   Call: (194) [system] _3760=[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
   Exit: (194) [system] [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]=[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
^  Exit: (192) [user] cont_sexpr(')', (0x563acd73bee0), [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _1881550)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1883408)
   Exit: (194) [system] peek_char((0x563acd73bee0), '\n')
   Call: (194) [system] '\n'=(;)
   Fail: (194) [system] '\n'=(;)
   Call: (194) [system] '\n'=(/)
   Fail: (194) [system] '\n'=(/)
^  Call: (194) [user] is_like_space('\n')
   Call: (195) [system] char_type('\n', 'white')
   Fail: (195) [system] char_type('\n', 'white')
   Call: (195) [system] char_type('\n', end_of_line)
   Exit: (195) [system] char_type('\n', end_of_line)
^  Exit: (194) [user] is_like_space('\n')
   Call: (194) [system] get_char((0x563acd73bee0), _1894858)
   Exit: (194) [system] get_char((0x563acd73bee0), '\n')
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1897562)
   Exit: (195) [system] peek_char((0x563acd73bee0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x563acd73bee0), _1907156)
   Exit: (195) [system] get_char((0x563acd73bee0), ' ')
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1909860)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x563acd73bee0), _1919454)
   Exit: (196) [system] get_char((0x563acd73bee0), ' ')
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1922158)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x563acd73bee0), _1931752)
   Exit: (197) [system] get_char((0x563acd73bee0), ' ')
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1934456)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x563acd73bee0), _1944050)
   Exit: (198) [system] get_char((0x563acd73bee0), ' ')
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1946754)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x563acd73bee0), _1956348)
   Exit: (199) [system] get_char((0x563acd73bee0), ' ')
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1959052)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x563acd73bee0), _1968646)
   Exit: (200) [system] get_char((0x563acd73bee0), ' ')
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1971350)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _1980944)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1983648)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x563acd73bee0), _1993242)
   Exit: (202) [system] get_char((0x563acd73bee0), ' ')
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1995946)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x563acd73bee0), _2005540)
   Exit: (203) [system] get_char((0x563acd73bee0), ' ')
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _2008244)
   Exit: (204) [system] peek_char((0x563acd73bee0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x563acd73bee0), _2017838)
   Exit: (204) [system] get_char((0x563acd73bee0), ' ')
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _2020542)
   Exit: (205) [system] peek_char((0x563acd73bee0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _2046716)
   Exit: (193) [system] peek_char((0x563acd73bee0), '(')
   Call: (193) [system] '('=')'
   Fail: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
   Fail: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x563acd73bee0), _2052286)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _2054144)
   Exit: (195) [system] peek_char((0x563acd73bee0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] get_char((0x563acd73bee0), _2070154)
   Exit: (194) [system] get_char((0x563acd73bee0), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _2052286)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _2075724)
   Exit: (196) [system] peek_char((0x563acd73bee0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _2091734)
   Exit: (195) [system] peek_char((0x563acd73bee0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x563acd73bee0), _4454)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _6312)
   Exit: (197) [system] peek_char((0x563acd73bee0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] get_char((0x563acd73bee0), _22322)
   Exit: (196) [system] get_char((0x563acd73bee0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x563acd73bee0), _4454)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _27892)
   Exit: (198) [system] peek_char((0x563acd73bee0), :)
   Call: (198) [system] (:)=(;)
   Fail: (198) [system] (:)=(;)
   Call: (198) [system] (:)=(/)
   Fail: (198) [system] (:)=(/)
^  Call: (198) [user] is_like_space(:)
   Call: (199) [system] char_type(:, 'white')
   Fail: (199) [system] char_type(:, 'white')
   Call: (199) [system] char_type(:, end_of_line)
   Fail: (199) [system] char_type(:, end_of_line)
   Call: (199) [system] char_type(:, space)
   Fail: (199) [system] char_type(:, space)
   Call: (199) [system] char_type(:, cntrl)
   Fail: (199) [system] char_type(:, cntrl)
^  Fail: (198) [user] is_like_space(:)
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _43902)
   Exit: (197) [system] peek_char((0x563acd73bee0), :)
   Call: (197) [system] (:)=')'
   Fail: (197) [system] (:)=')'
   Call: (197) [system] (:)=end_of_file
   Fail: (197) [system] (:)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x563acd73bee0), _49472)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _51330)
   Exit: (199) [system] peek_char((0x563acd73bee0), :)
   Call: (199) [system] (:)=(;)
   Fail: (199) [system] (:)=(;)
   Call: (199) [system] (:)=(/)
   Fail: (199) [system] (:)=(/)
^  Call: (199) [user] is_like_space(:)
   Call: (200) [system] char_type(:, 'white')
   Fail: (200) [system] char_type(:, 'white')
   Call: (200) [system] char_type(:, end_of_line)
   Fail: (200) [system] char_type(:, end_of_line)
   Call: (200) [system] char_type(:, space)
   Fail: (200) [system] char_type(:, space)
   Call: (200) [system] char_type(:, cntrl)
   Fail: (200) [system] char_type(:, cntrl)
^  Fail: (199) [user] is_like_space(:)
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] get_char((0x563acd73bee0), _67340)
   Exit: (198) [system] get_char((0x563acd73bee0), :)
   Call: (198) [system] (:)='('
   Fail: (198) [system] (:)='('
   Call: (198) [system] (:)='['
   Fail: (198) [system] (:)='['
   Call: (198) [system] (:)='{'
   Fail: (198) [system] (:)='{'
   Call: (198) [system] (:)='"'
   Fail: (198) [system] (:)='"'
   Call: (198) [system] (:)=!
   Fail: (198) [system] (:)=!
   Call: (198) [system] (:)='\''
   Fail: (198) [system] (:)='\''
   Call: (198) [system] (:)='`'
   Fail: (198) [system] (:)='`'
   Call: (198) [system] (:)=end_of_file
   Fail: (198) [system] (:)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x563acd73bee0), :, _49472)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _84982)
   Call: (200) [system] peek_char((0x563acd73bee0), _85916)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _84982=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (199) [user] classify_and_convert_charseq([:], _49472)
^  Call: (200) [user] classify_and_convert_charseq_([:], _95200)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_96152, _96154), once(user:catch(read_from_chars([:], _95200), _96134, fail)), '$restore_trace'(_96152, _96154))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_96152, _96154))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _96134, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(:)
   Exit: (201) [system] atomic(:)
^  Exit: (200) [user] classify_and_convert_charseq_([:], :)
   Call: (200) [system] integer(:)
   Fail: (200) [system] integer(:)
   Call: (200) [system] _49472=(:)
   Exit: (200) [system] (:)=(:)
^  Exit: (199) [user] classify_and_convert_charseq([:], :)
^  Exit: (198) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (197) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _108280)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _110138)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x563acd73bee0), _119732)
   Exit: (199) [system] get_char((0x563acd73bee0), ' ')
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _122436)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _139370)
   Exit: (198) [system] peek_char((0x563acd73bee0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x563acd73bee0), _144940)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _146798)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] get_char((0x563acd73bee0), _162808)
   Exit: (199) [system] get_char((0x563acd73bee0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x563acd73bee0), $, _144940)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _180450)
   Call: (201) [system] peek_char((0x563acd73bee0), _181384)
   Exit: (201) [system] peek_char((0x563acd73bee0), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_186104, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_187036, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x563acd73bee0), p)
   Exit: (201) [system] get_char((0x563acd73bee0), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _194386)
   Call: (202) [system] peek_char((0x563acd73bee0), _195320)
   Exit: (202) [system] peek_char((0x563acd73bee0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_200040, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_200972, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x563acd73bee0), r)
   Exit: (202) [system] get_char((0x563acd73bee0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _208322)
   Call: (203) [system] peek_char((0x563acd73bee0), _209256)
   Exit: (203) [system] peek_char((0x563acd73bee0), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Fail: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_213976, v('(', ')', end_of_file), o)
   Fail: (204) [system] arg(_214908, v('(', ')', end_of_file), o)
^  Fail: (203) [user] is_delimiter(o)
   Call: (203) [system] ')'==o
   Fail: (203) [system] ')'==o
   Call: (203) [system] get_char((0x563acd73bee0), o)
   Exit: (203) [system] get_char((0x563acd73bee0), o)
   Call: (203) [system] o=(\)
   Fail: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _222258)
   Call: (204) [system] peek_char((0x563acd73bee0), _223192)
   Exit: (204) [system] peek_char((0x563acd73bee0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_227912, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_228844, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x563acd73bee0), o)
   Exit: (204) [system] get_char((0x563acd73bee0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _236194)
   Call: (205) [system] peek_char((0x563acd73bee0), _237128)
   Exit: (205) [system] peek_char((0x563acd73bee0), f)
^  Call: (205) [user] is_delimiter(f)
   Call: (206) [system] char_type(f, space)
   Fail: (206) [system] char_type(f, space)
   Call: (206) [system] arg(_241848, v('(', ')', end_of_file), f)
   Fail: (206) [system] arg(_242780, v('(', ')', end_of_file), f)
^  Fail: (205) [user] is_delimiter(f)
   Call: (205) [system] ')'==f
   Fail: (205) [system] ')'==f
   Call: (205) [system] get_char((0x563acd73bee0), f)
   Exit: (205) [system] get_char((0x563acd73bee0), f)
   Call: (205) [system] f=(\)
   Fail: (205) [system] f=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _250130)
   Call: (206) [system] peek_char((0x563acd73bee0), _251064)
   Exit: (206) [system] peek_char((0x563acd73bee0), '3')
^  Call: (206) [user] is_delimiter('3')
   Call: (207) [system] char_type('3', space)
   Fail: (207) [system] char_type('3', space)
   Call: (207) [system] arg(_255784, v('(', ')', end_of_file), '3')
   Fail: (207) [system] arg(_256716, v('(', ')', end_of_file), '3')
^  Fail: (206) [user] is_delimiter('3')
   Call: (206) [system] ')'=='3'
   Fail: (206) [system] ')'=='3'
   Call: (206) [system] get_char((0x563acd73bee0), '3')
   Exit: (206) [system] get_char((0x563acd73bee0), '3')
   Call: (206) [system] '3'=(\)
   Fail: (206) [system] '3'=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _264066)
   Call: (207) [system] peek_char((0x563acd73bee0), _265000)
   Exit: (207) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _264066=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (206) [system] _250130=['3']
   Exit: (206) [system] ['3']=['3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), ['3'])
   Call: (205) [system] _236194=[f, '3']
   Exit: (205) [system] [f, '3']=[f, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [f, '3'])
   Call: (204) [system] _222258=[o, f, '3']
   Exit: (204) [system] [o, f, '3']=[o, f, '3']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, f, '3'])
   Call: (203) [system] _208322=[o, o, f, '3']
   Exit: (203) [system] [o, o, f, '3']=[o, o, f, '3']
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, o, f, '3'])
   Call: (202) [system] _194386=[r, o, o, f, '3']
   Exit: (202) [system] [r, o, o, f, '3']=[r, o, o, f, '3']
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, o, f, '3'])
   Call: (201) [system] _180450=[p, r, o, o, f, '3']
   Exit: (201) [system] [p, r, o, o, f, '3']=[p, r, o, o, f, '3']
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, o, o, f, '3'])
^  Call: (200) [user] classify_and_convert_charseq([$, p, r, o, o, f, '3'], _144940)
^  Call: (201) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '3'], _291048)
   Call: (202) [system] atom_chars(_291980, ['_', p, r, o, o, f, '3'])
   Exit: (202) [system] atom_chars('_proof3', ['_', p, r, o, o, f, '3'])
^  Exit: (201) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '3'], _proof3)
   Call: (201) [system] integer(_proof3)
   Fail: (201) [system] integer(_proof3)
   Call: (201) [system] _144940=_proof3
   Exit: (201) [system] _proof3=_proof3
^  Exit: (200) [user] classify_and_convert_charseq([$, p, r, o, o, f, '3'], _proof3)
^  Exit: (199) [user] read_symbolic(')', (0x563acd73bee0), $, _proof3)
^  Exit: (198) [user] cont_sexpr(')', (0x563acd73bee0), _proof3)
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _301272)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _303130)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x563acd73bee0), _312724)
   Exit: (200) [system] get_char((0x563acd73bee0), ' ')
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _315428)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _332362)
   Exit: (199) [system] peek_char((0x563acd73bee0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x563acd73bee0), _337932)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _339790)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] get_char((0x563acd73bee0), _355800)
   Exit: (200) [system] get_char((0x563acd73bee0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x563acd73bee0), $, _337932)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _373442)
   Call: (202) [system] peek_char((0x563acd73bee0), _374376)
   Exit: (202) [system] peek_char((0x563acd73bee0), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Fail: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_379096, v('(', ')', end_of_file), p)
   Fail: (203) [system] arg(_380028, v('(', ')', end_of_file), p)
^  Fail: (202) [user] is_delimiter(p)
   Call: (202) [system] ')'==p
   Fail: (202) [system] ')'==p
   Call: (202) [system] get_char((0x563acd73bee0), p)
   Exit: (202) [system] get_char((0x563acd73bee0), p)
   Call: (202) [system] p=(\)
   Fail: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _387378)
   Call: (203) [system] peek_char((0x563acd73bee0), _388312)
   Exit: (203) [system] peek_char((0x563acd73bee0), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_393032, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_393964, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x563acd73bee0), r)
   Exit: (203) [system] get_char((0x563acd73bee0), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _401314)
   Call: (204) [system] peek_char((0x563acd73bee0), _402248)
   Exit: (204) [system] peek_char((0x563acd73bee0), e)
^  Call: (204) [user] is_delimiter(e)
   Call: (205) [system] char_type(e, space)
   Fail: (205) [system] char_type(e, space)
   Call: (205) [system] arg(_406968, v('(', ')', end_of_file), e)
   Fail: (205) [system] arg(_407900, v('(', ')', end_of_file), e)
^  Fail: (204) [user] is_delimiter(e)
   Call: (204) [system] ')'==e
   Fail: (204) [system] ')'==e
   Call: (204) [system] get_char((0x563acd73bee0), e)
   Exit: (204) [system] get_char((0x563acd73bee0), e)
   Call: (204) [system] e=(\)
   Fail: (204) [system] e=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _415250)
   Call: (205) [system] peek_char((0x563acd73bee0), _416184)
   Exit: (205) [system] peek_char((0x563acd73bee0), m)
^  Call: (205) [user] is_delimiter(m)
   Call: (206) [system] char_type(m, space)
   Fail: (206) [system] char_type(m, space)
   Call: (206) [system] arg(_420904, v('(', ')', end_of_file), m)
   Fail: (206) [system] arg(_421836, v('(', ')', end_of_file), m)
^  Fail: (205) [user] is_delimiter(m)
   Call: (205) [system] ')'==m
   Fail: (205) [system] ')'==m
   Call: (205) [system] get_char((0x563acd73bee0), m)
   Exit: (205) [system] get_char((0x563acd73bee0), m)
   Call: (205) [system] m=(\)
   Fail: (205) [system] m=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _429186)
   Call: (206) [system] peek_char((0x563acd73bee0), _430120)
   Exit: (206) [system] peek_char((0x563acd73bee0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_434840, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_435772, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x563acd73bee0), i)
   Exit: (206) [system] get_char((0x563acd73bee0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _443122)
   Call: (207) [system] peek_char((0x563acd73bee0), _444056)
   Exit: (207) [system] peek_char((0x563acd73bee0), s)
^  Call: (207) [user] is_delimiter(s)
   Call: (208) [system] char_type(s, space)
   Fail: (208) [system] char_type(s, space)
   Call: (208) [system] arg(_448776, v('(', ')', end_of_file), s)
   Fail: (208) [system] arg(_449708, v('(', ')', end_of_file), s)
^  Fail: (207) [user] is_delimiter(s)
   Call: (207) [system] ')'==s
   Fail: (207) [system] ')'==s
   Call: (207) [system] get_char((0x563acd73bee0), s)
   Exit: (207) [system] get_char((0x563acd73bee0), s)
   Call: (207) [system] s=(\)
   Fail: (207) [system] s=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _457058)
   Call: (208) [system] peek_char((0x563acd73bee0), _457992)
   Exit: (208) [system] peek_char((0x563acd73bee0), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Fail: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_462712, v('(', ')', end_of_file), e)
   Fail: (209) [system] arg(_463644, v('(', ')', end_of_file), e)
^  Fail: (208) [user] is_delimiter(e)
   Call: (208) [system] ')'==e
   Fail: (208) [system] ')'==e
   Call: (208) [system] get_char((0x563acd73bee0), e)
   Exit: (208) [system] get_char((0x563acd73bee0), e)
   Call: (208) [system] e=(\)
   Fail: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _470994)
   Call: (209) [system] peek_char((0x563acd73bee0), _471928)
   Exit: (209) [system] peek_char((0x563acd73bee0), '3')
^  Call: (209) [user] is_delimiter('3')
   Call: (210) [system] char_type('3', space)
   Fail: (210) [system] char_type('3', space)
   Call: (210) [system] arg(_476648, v('(', ')', end_of_file), '3')
   Fail: (210) [system] arg(_477580, v('(', ')', end_of_file), '3')
^  Fail: (209) [user] is_delimiter('3')
   Call: (209) [system] ')'=='3'
   Fail: (209) [system] ')'=='3'
   Call: (209) [system] get_char((0x563acd73bee0), '3')
   Exit: (209) [system] get_char((0x563acd73bee0), '3')
   Call: (209) [system] '3'=(\)
   Fail: (209) [system] '3'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _484930)
   Call: (210) [system] peek_char((0x563acd73bee0), _485864)
   Exit: (210) [system] peek_char((0x563acd73bee0), ')')
^  Call: (210) [user] is_delimiter(')')
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] arg(_490584, v('(', ')', end_of_file), ')')
   Exit: (211) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (210) [user] is_delimiter(')')
   Call: (210) [system] _484930=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (209) [system] _470994=['3']
   Exit: (209) [system] ['3']=['3']
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), ['3'])
   Call: (208) [system] _457058=[e, '3']
   Exit: (208) [system] [e, '3']=[e, '3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, '3'])
   Call: (207) [system] _443122=[s, e, '3']
   Exit: (207) [system] [s, e, '3']=[s, e, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, e, '3'])
   Call: (206) [system] _429186=[i, s, e, '3']
   Exit: (206) [system] [i, s, e, '3']=[i, s, e, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, e, '3'])
   Call: (205) [system] _415250=[m, i, s, e, '3']
   Exit: (205) [system] [m, i, s, e, '3']=[m, i, s, e, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, i, s, e, '3'])
   Call: (204) [system] _401314=[e, m, i, s, e, '3']
   Exit: (204) [system] [e, m, i, s, e, '3']=[e, m, i, s, e, '3']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, m, i, s, e, '3'])
   Call: (203) [system] _387378=[r, e, m, i, s, e, '3']
   Exit: (203) [system] [r, e, m, i, s, e, '3']=[r, e, m, i, s, e, '3']
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, e, m, i, s, e, '3'])
   Call: (202) [system] _373442=[p, r, e, m, i, s, e, '3']
   Exit: (202) [system] [p, r, e, m, i, s, e, '3']=[p, r, e, m, i, s, e, '3']
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, e, m, i, s, e, '3'])
^  Call: (201) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '3'], _337932)
^  Call: (202) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '3'], _519372)
   Call: (203) [system] atom_chars(_520304, ['_', p, r, e, m, i, s, e, '3'])
   Exit: (203) [system] atom_chars('_premise3', ['_', p, r, e, m, i, s, e, '3'])
^  Exit: (202) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '3'], _premise3)
   Call: (202) [system] integer(_premise3)
   Fail: (202) [system] integer(_premise3)
   Call: (202) [system] _337932=_premise3
   Exit: (202) [system] _premise3=_premise3
^  Exit: (201) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '3'], _premise3)
^  Exit: (200) [user] read_symbolic(')', (0x563acd73bee0), $, _premise3)
^  Exit: (199) [user] cont_sexpr(')', (0x563acd73bee0), _premise3)
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _529596)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _531454)
   Exit: (201) [system] peek_char((0x563acd73bee0), ')')
   Call: (201) [system] ')'=(;)
   Fail: (201) [system] ')'=(;)
   Call: (201) [system] ')'=(/)
   Fail: (201) [system] ')'=(/)
^  Call: (201) [user] is_like_space(')')
   Call: (202) [system] char_type(')', 'white')
   Fail: (202) [system] char_type(')', 'white')
   Call: (202) [system] char_type(')', end_of_line)
   Fail: (202) [system] char_type(')', end_of_line)
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] char_type(')', cntrl)
   Fail: (202) [system] char_type(')', cntrl)
^  Fail: (201) [user] is_like_space(')')
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _547464)
   Exit: (200) [system] peek_char((0x563acd73bee0), ')')
   Call: (200) [system] ')'=')'
   Exit: (200) [system] ')'=')'
   Call: (200) [system] get_char((0x563acd73bee0), _551254)
   Exit: (200) [system] get_char((0x563acd73bee0), ')')
   Call: (200) [system] _529596=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), [])
   Call: (199) [system] _301272=[_premise3]
   Exit: (199) [system] [_premise3]=[_premise3]
^  Exit: (198) [user] read_list(')', (0x563acd73bee0), [_premise3])
   Call: (198) [system] _108280=[_proof3, _premise3]
   Exit: (198) [system] [_proof3, _premise3]=[_proof3, _premise3]
^  Exit: (197) [user] read_list(')', (0x563acd73bee0), [_proof3, _premise3])
   Call: (197) [system] _4454=[:, _proof3, _premise3]
   Exit: (197) [system] [:, _proof3, _premise3]=[:, _proof3, _premise3]
^  Exit: (196) [user] read_list(')', (0x563acd73bee0), [:, _proof3, _premise3])
^  Exit: (195) [user] cont_sexpr(')', (0x563acd73bee0), [:, _proof3, _premise3])
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _565136)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _566994)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x563acd73bee0), _576588)
   Exit: (197) [system] get_char((0x563acd73bee0), ' ')
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _579292)
   Exit: (198) [system] peek_char((0x563acd73bee0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _596226)
   Exit: (196) [system] peek_char((0x563acd73bee0), '(')
   Call: (196) [system] '('=')'
   Fail: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
   Fail: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x563acd73bee0), _601796)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _603654)
   Exit: (198) [system] peek_char((0x563acd73bee0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] get_char((0x563acd73bee0), _619664)
   Exit: (197) [system] get_char((0x563acd73bee0), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _601796)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _625234)
   Exit: (199) [system] peek_char((0x563acd73bee0), s)
   Call: (199) [system] s=(;)
   Fail: (199) [system] s=(;)
   Call: (199) [system] s=(/)
   Fail: (199) [system] s=(/)
^  Call: (199) [user] is_like_space(s)
   Call: (200) [system] char_type(s, 'white')
   Fail: (200) [system] char_type(s, 'white')
   Call: (200) [system] char_type(s, end_of_line)
   Fail: (200) [system] char_type(s, end_of_line)
   Call: (200) [system] char_type(s, space)
   Fail: (200) [system] char_type(s, space)
   Call: (200) [system] char_type(s, cntrl)
   Fail: (200) [system] char_type(s, cntrl)
^  Fail: (199) [user] is_like_space(s)
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _641244)
   Exit: (198) [system] peek_char((0x563acd73bee0), s)
   Call: (198) [system] s=')'
   Fail: (198) [system] s=')'
   Call: (198) [system] s=end_of_file
   Fail: (198) [system] s=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x563acd73bee0), _646814)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _648672)
   Exit: (200) [system] peek_char((0x563acd73bee0), s)
   Call: (200) [system] s=(;)
   Fail: (200) [system] s=(;)
   Call: (200) [system] s=(/)
   Fail: (200) [system] s=(/)
^  Call: (200) [user] is_like_space(s)
   Call: (201) [system] char_type(s, 'white')
   Fail: (201) [system] char_type(s, 'white')
   Call: (201) [system] char_type(s, end_of_line)
   Fail: (201) [system] char_type(s, end_of_line)
   Call: (201) [system] char_type(s, space)
   Fail: (201) [system] char_type(s, space)
   Call: (201) [system] char_type(s, cntrl)
   Fail: (201) [system] char_type(s, cntrl)
^  Fail: (200) [user] is_like_space(s)
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] get_char((0x563acd73bee0), _664682)
   Exit: (199) [system] get_char((0x563acd73bee0), s)
   Call: (199) [system] s='('
   Fail: (199) [system] s='('
   Call: (199) [system] s='['
   Fail: (199) [system] s='['
   Call: (199) [system] s='{'
   Fail: (199) [system] s='{'
   Call: (199) [system] s='"'
   Fail: (199) [system] s='"'
   Call: (199) [system] s=!
   Fail: (199) [system] s=!
   Call: (199) [system] s='\''
   Fail: (199) [system] s='\''
   Call: (199) [system] s='`'
   Fail: (199) [system] s='`'
   Call: (199) [system] s=end_of_file
   Fail: (199) [system] s=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x563acd73bee0), s, _646814)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _682324)
   Call: (201) [system] peek_char((0x563acd73bee0), _683258)
   Exit: (201) [system] peek_char((0x563acd73bee0), y)
^  Call: (201) [user] is_delimiter(y)
   Call: (202) [system] char_type(y, space)
   Fail: (202) [system] char_type(y, space)
   Call: (202) [system] arg(_687978, v('(', ')', end_of_file), y)
   Fail: (202) [system] arg(_688910, v('(', ')', end_of_file), y)
^  Fail: (201) [user] is_delimiter(y)
   Call: (201) [system] ')'==y
   Fail: (201) [system] ')'==y
   Call: (201) [system] get_char((0x563acd73bee0), y)
   Exit: (201) [system] get_char((0x563acd73bee0), y)
   Call: (201) [system] y=(\)
   Fail: (201) [system] y=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _696260)
   Call: (202) [system] peek_char((0x563acd73bee0), _697194)
   Exit: (202) [system] peek_char((0x563acd73bee0), n)
^  Call: (202) [user] is_delimiter(n)
   Call: (203) [system] char_type(n, space)
   Fail: (203) [system] char_type(n, space)
   Call: (203) [system] arg(_701914, v('(', ')', end_of_file), n)
   Fail: (203) [system] arg(_702846, v('(', ')', end_of_file), n)
^  Fail: (202) [user] is_delimiter(n)
   Call: (202) [system] ')'==n
   Fail: (202) [system] ')'==n
   Call: (202) [system] get_char((0x563acd73bee0), n)
   Exit: (202) [system] get_char((0x563acd73bee0), n)
   Call: (202) [system] n=(\)
   Fail: (202) [system] n=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _710196)
   Call: (203) [system] peek_char((0x563acd73bee0), _711130)
   Exit: (203) [system] peek_char((0x563acd73bee0), t)
^  Call: (203) [user] is_delimiter(t)
   Call: (204) [system] char_type(t, space)
   Fail: (204) [system] char_type(t, space)
   Call: (204) [system] arg(_715850, v('(', ')', end_of_file), t)
   Fail: (204) [system] arg(_716782, v('(', ')', end_of_file), t)
^  Fail: (203) [user] is_delimiter(t)
   Call: (203) [system] ')'==t
   Fail: (203) [system] ')'==t
   Call: (203) [system] get_char((0x563acd73bee0), t)
   Exit: (203) [system] get_char((0x563acd73bee0), t)
   Call: (203) [system] t=(\)
   Fail: (203) [system] t=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _724132)
   Call: (204) [system] peek_char((0x563acd73bee0), _725066)
   Exit: (204) [system] peek_char((0x563acd73bee0), h)
^  Call: (204) [user] is_delimiter(h)
   Call: (205) [system] char_type(h, space)
   Fail: (205) [system] char_type(h, space)
   Call: (205) [system] arg(_729786, v('(', ')', end_of_file), h)
   Fail: (205) [system] arg(_730718, v('(', ')', end_of_file), h)
^  Fail: (204) [user] is_delimiter(h)
   Call: (204) [system] ')'==h
   Fail: (204) [system] ')'==h
   Call: (204) [system] get_char((0x563acd73bee0), h)
   Exit: (204) [system] get_char((0x563acd73bee0), h)
   Call: (204) [system] h=(\)
   Fail: (204) [system] h=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _738068)
   Call: (205) [system] peek_char((0x563acd73bee0), _739002)
   Exit: (205) [system] peek_char((0x563acd73bee0), e)
^  Call: (205) [user] is_delimiter(e)
   Call: (206) [system] char_type(e, space)
   Fail: (206) [system] char_type(e, space)
   Call: (206) [system] arg(_743722, v('(', ')', end_of_file), e)
   Fail: (206) [system] arg(_744654, v('(', ')', end_of_file), e)
^  Fail: (205) [user] is_delimiter(e)
   Call: (205) [system] ')'==e
   Fail: (205) [system] ')'==e
   Call: (205) [system] get_char((0x563acd73bee0), e)
   Exit: (205) [system] get_char((0x563acd73bee0), e)
   Call: (205) [system] e=(\)
   Fail: (205) [system] e=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _752004)
   Call: (206) [system] peek_char((0x563acd73bee0), _752938)
   Exit: (206) [system] peek_char((0x563acd73bee0), s)
^  Call: (206) [user] is_delimiter(s)
   Call: (207) [system] char_type(s, space)
   Fail: (207) [system] char_type(s, space)
   Call: (207) [system] arg(_757658, v('(', ')', end_of_file), s)
   Fail: (207) [system] arg(_758590, v('(', ')', end_of_file), s)
^  Fail: (206) [user] is_delimiter(s)
   Call: (206) [system] ')'==s
   Fail: (206) [system] ')'==s
   Call: (206) [system] get_char((0x563acd73bee0), s)
   Exit: (206) [system] get_char((0x563acd73bee0), s)
   Call: (206) [system] s=(\)
   Fail: (206) [system] s=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _765940)
   Call: (207) [system] peek_char((0x563acd73bee0), _766874)
   Exit: (207) [system] peek_char((0x563acd73bee0), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Fail: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_771594, v('(', ')', end_of_file), i)
   Fail: (208) [system] arg(_772526, v('(', ')', end_of_file), i)
^  Fail: (207) [user] is_delimiter(i)
   Call: (207) [system] ')'==i
   Fail: (207) [system] ')'==i
   Call: (207) [system] get_char((0x563acd73bee0), i)
   Exit: (207) [system] get_char((0x563acd73bee0), i)
   Call: (207) [system] i=(\)
   Fail: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _779876)
   Call: (208) [system] peek_char((0x563acd73bee0), _780810)
   Exit: (208) [system] peek_char((0x563acd73bee0), z)
^  Call: (208) [user] is_delimiter(z)
   Call: (209) [system] char_type(z, space)
   Fail: (209) [system] char_type(z, space)
   Call: (209) [system] arg(_785530, v('(', ')', end_of_file), z)
   Fail: (209) [system] arg(_786462, v('(', ')', end_of_file), z)
^  Fail: (208) [user] is_delimiter(z)
   Call: (208) [system] ')'==z
   Fail: (208) [system] ')'==z
   Call: (208) [system] get_char((0x563acd73bee0), z)
   Exit: (208) [system] get_char((0x563acd73bee0), z)
   Call: (208) [system] z=(\)
   Fail: (208) [system] z=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _793812)
   Call: (209) [system] peek_char((0x563acd73bee0), _794746)
   Exit: (209) [system] peek_char((0x563acd73bee0), e)
^  Call: (209) [user] is_delimiter(e)
   Call: (210) [system] char_type(e, space)
   Fail: (210) [system] char_type(e, space)
   Call: (210) [system] arg(_799466, v('(', ')', end_of_file), e)
   Fail: (210) [system] arg(_800398, v('(', ')', end_of_file), e)
^  Fail: (209) [user] is_delimiter(e)
   Call: (209) [system] ')'==e
   Fail: (209) [system] ')'==e
   Call: (209) [system] get_char((0x563acd73bee0), e)
   Exit: (209) [system] get_char((0x563acd73bee0), e)
   Call: (209) [system] e=(\)
   Fail: (209) [system] e=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _807748)
   Call: (210) [system] peek_char((0x563acd73bee0), _808682)
   Exit: (210) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _807748=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (209) [system] _793812=[e]
   Exit: (209) [system] [e]=[e]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [e])
   Call: (208) [system] _779876=[z, e]
   Exit: (208) [system] [z, e]=[z, e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [z, e])
   Call: (207) [system] _765940=[i, z, e]
   Exit: (207) [system] [i, z, e]=[i, z, e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, z, e])
   Call: (206) [system] _752004=[s, i, z, e]
   Exit: (206) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, i, z, e])
   Call: (205) [system] _738068=[e, s, i, z, e]
   Exit: (205) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, s, i, z, e])
   Call: (204) [system] _724132=[h, e, s, i, z, e]
   Exit: (204) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [h, e, s, i, z, e])
   Call: (203) [system] _710196=[t, h, e, s, i, z, e]
   Exit: (203) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, h, e, s, i, z, e])
   Call: (202) [system] _696260=[n, t, h, e, s, i, z, e]
   Exit: (202) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, h, e, s, i, z, e])
   Call: (201) [system] _682324=[y, n, t, h, e, s, i, z, e]
   Exit: (201) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [y, n, t, h, e, s, i, z, e])
^  Call: (200) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _646814)
^  Call: (201) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _843112)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_844064, _844066), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _843112), _844046, fail)), '$restore_trace'(_844064, _844066))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_844064, _844066))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _844046, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(synthesize)
   Exit: (202) [system] atomic(synthesize)
^  Exit: (201) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (201) [system] integer(synthesize)
   Fail: (201) [system] integer(synthesize)
   Call: (201) [system] _646814=synthesize
   Exit: (201) [system] synthesize=synthesize
^  Exit: (200) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (199) [user] read_symbolic(')', (0x563acd73bee0), s, synthesize)
^  Exit: (198) [user] cont_sexpr(')', (0x563acd73bee0), synthesize)
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _856192)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _858050)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x563acd73bee0), _867644)
   Exit: (200) [system] get_char((0x563acd73bee0), ' ')
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _870348)
   Exit: (201) [system] peek_char((0x563acd73bee0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
   Call: (201) [system] '('=(/)
   Fail: (201) [system] '('=(/)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _887282)
   Exit: (199) [system] peek_char((0x563acd73bee0), '(')
   Call: (199) [system] '('=')'
   Fail: (199) [system] '('=')'
   Call: (199) [system] '('=end_of_file
   Fail: (199) [system] '('=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x563acd73bee0), _892852)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _894710)
   Exit: (201) [system] peek_char((0x563acd73bee0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
   Call: (201) [system] '('=(/)
   Fail: (201) [system] '('=(/)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] get_char((0x563acd73bee0), _910720)
   Exit: (200) [system] get_char((0x563acd73bee0), '(')
   Call: (200) [system] '('='('
   Exit: (200) [system] '('='('
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _892852)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _916290)
   Exit: (202) [system] peek_char((0x563acd73bee0), :)
   Call: (202) [system] (:)=(;)
   Fail: (202) [system] (:)=(;)
   Call: (202) [system] (:)=(/)
   Fail: (202) [system] (:)=(/)
^  Call: (202) [user] is_like_space(:)
   Call: (203) [system] char_type(:, 'white')
   Fail: (203) [system] char_type(:, 'white')
   Call: (203) [system] char_type(:, end_of_line)
   Fail: (203) [system] char_type(:, end_of_line)
   Call: (203) [system] char_type(:, space)
   Fail: (203) [system] char_type(:, space)
   Call: (203) [system] char_type(:, cntrl)
   Fail: (203) [system] char_type(:, cntrl)
^  Fail: (202) [user] is_like_space(:)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _932300)
   Exit: (201) [system] peek_char((0x563acd73bee0), :)
   Call: (201) [system] (:)=')'
   Fail: (201) [system] (:)=')'
   Call: (201) [system] (:)=end_of_file
   Fail: (201) [system] (:)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x563acd73bee0), _937870)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _939728)
   Exit: (203) [system] peek_char((0x563acd73bee0), :)
   Call: (203) [system] (:)=(;)
   Fail: (203) [system] (:)=(;)
   Call: (203) [system] (:)=(/)
   Fail: (203) [system] (:)=(/)
^  Call: (203) [user] is_like_space(:)
   Call: (204) [system] char_type(:, 'white')
   Fail: (204) [system] char_type(:, 'white')
   Call: (204) [system] char_type(:, end_of_line)
   Fail: (204) [system] char_type(:, end_of_line)
   Call: (204) [system] char_type(:, space)
   Fail: (204) [system] char_type(:, space)
   Call: (204) [system] char_type(:, cntrl)
   Fail: (204) [system] char_type(:, cntrl)
^  Fail: (203) [user] is_like_space(:)
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] get_char((0x563acd73bee0), _955738)
   Exit: (202) [system] get_char((0x563acd73bee0), :)
   Call: (202) [system] (:)='('
   Fail: (202) [system] (:)='('
   Call: (202) [system] (:)='['
   Fail: (202) [system] (:)='['
   Call: (202) [system] (:)='{'
   Fail: (202) [system] (:)='{'
   Call: (202) [system] (:)='"'
   Fail: (202) [system] (:)='"'
   Call: (202) [system] (:)=!
   Fail: (202) [system] (:)=!
   Call: (202) [system] (:)='\''
   Fail: (202) [system] (:)='\''
   Call: (202) [system] (:)='`'
   Fail: (202) [system] (:)='`'
   Call: (202) [system] (:)=end_of_file
   Fail: (202) [system] (:)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x563acd73bee0), :, _937870)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _973380)
   Call: (204) [system] peek_char((0x563acd73bee0), _974314)
   Exit: (204) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _973380=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (203) [user] classify_and_convert_charseq([:], _937870)
^  Call: (204) [user] classify_and_convert_charseq_([:], _983598)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_984550, _984552), once(user:catch(read_from_chars([:], _983598), _984532, fail)), '$restore_trace'(_984550, _984552))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_984550, _984552))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _984532, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(:)
   Exit: (205) [system] atomic(:)
^  Exit: (204) [user] classify_and_convert_charseq_([:], :)
   Call: (204) [system] integer(:)
   Fail: (204) [system] integer(:)
   Call: (204) [system] _937870=(:)
   Exit: (204) [system] (:)=(:)
^  Exit: (203) [user] classify_and_convert_charseq([:], :)
^  Exit: (202) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (201) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (201) [user] read_list(')', (0x563acd73bee0), _996678)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _998536)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x563acd73bee0), _1008130)
   Exit: (203) [system] get_char((0x563acd73bee0), ' ')
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1010834)
   Exit: (204) [system] peek_char((0x563acd73bee0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1027768)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=')'
   Fail: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x563acd73bee0), _1033338)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1035196)
   Exit: (204) [system] peek_char((0x563acd73bee0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] get_char((0x563acd73bee0), _1051206)
   Exit: (203) [system] get_char((0x563acd73bee0), $)
   Call: (203) [system] ($)='('
   Fail: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Fail: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Fail: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Fail: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Fail: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Fail: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Fail: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x563acd73bee0), $, _1033338)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1068848)
   Call: (205) [system] peek_char((0x563acd73bee0), _1069782)
   Exit: (205) [system] peek_char((0x563acd73bee0), p)
^  Call: (205) [user] is_delimiter(p)
   Call: (206) [system] char_type(p, space)
   Fail: (206) [system] char_type(p, space)
   Call: (206) [system] arg(_1074502, v('(', ')', end_of_file), p)
   Fail: (206) [system] arg(_1075434, v('(', ')', end_of_file), p)
^  Fail: (205) [user] is_delimiter(p)
   Call: (205) [system] ')'==p
   Fail: (205) [system] ')'==p
   Call: (205) [system] get_char((0x563acd73bee0), p)
   Exit: (205) [system] get_char((0x563acd73bee0), p)
   Call: (205) [system] p=(\)
   Fail: (205) [system] p=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1082784)
   Call: (206) [system] peek_char((0x563acd73bee0), _1083718)
   Exit: (206) [system] peek_char((0x563acd73bee0), r)
^  Call: (206) [user] is_delimiter(r)
   Call: (207) [system] char_type(r, space)
   Fail: (207) [system] char_type(r, space)
   Call: (207) [system] arg(_1088438, v('(', ')', end_of_file), r)
   Fail: (207) [system] arg(_1089370, v('(', ')', end_of_file), r)
^  Fail: (206) [user] is_delimiter(r)
   Call: (206) [system] ')'==r
   Fail: (206) [system] ')'==r
   Call: (206) [system] get_char((0x563acd73bee0), r)
   Exit: (206) [system] get_char((0x563acd73bee0), r)
   Call: (206) [system] r=(\)
   Fail: (206) [system] r=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1096720)
   Call: (207) [system] peek_char((0x563acd73bee0), _1097654)
   Exit: (207) [system] peek_char((0x563acd73bee0), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_1102374, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_1103306, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x563acd73bee0), o)
   Exit: (207) [system] get_char((0x563acd73bee0), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1110656)
   Call: (208) [system] peek_char((0x563acd73bee0), _1111590)
   Exit: (208) [system] peek_char((0x563acd73bee0), o)
^  Call: (208) [user] is_delimiter(o)
   Call: (209) [system] char_type(o, space)
   Fail: (209) [system] char_type(o, space)
   Call: (209) [system] arg(_1116310, v('(', ')', end_of_file), o)
   Fail: (209) [system] arg(_1117242, v('(', ')', end_of_file), o)
^  Fail: (208) [user] is_delimiter(o)
   Call: (208) [system] ')'==o
   Fail: (208) [system] ')'==o
   Call: (208) [system] get_char((0x563acd73bee0), o)
   Exit: (208) [system] get_char((0x563acd73bee0), o)
   Call: (208) [system] o=(\)
   Fail: (208) [system] o=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1124592)
   Call: (209) [system] peek_char((0x563acd73bee0), _1125526)
   Exit: (209) [system] peek_char((0x563acd73bee0), f)
^  Call: (209) [user] is_delimiter(f)
   Call: (210) [system] char_type(f, space)
   Fail: (210) [system] char_type(f, space)
   Call: (210) [system] arg(_1130246, v('(', ')', end_of_file), f)
   Fail: (210) [system] arg(_1131178, v('(', ')', end_of_file), f)
^  Fail: (209) [user] is_delimiter(f)
   Call: (209) [system] ')'==f
   Fail: (209) [system] ')'==f
   Call: (209) [system] get_char((0x563acd73bee0), f)
   Exit: (209) [system] get_char((0x563acd73bee0), f)
   Call: (209) [system] f=(\)
   Fail: (209) [system] f=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1138528)
   Call: (210) [system] peek_char((0x563acd73bee0), _1139462)
   Exit: (210) [system] peek_char((0x563acd73bee0), '3')
^  Call: (210) [user] is_delimiter('3')
   Call: (211) [system] char_type('3', space)
   Fail: (211) [system] char_type('3', space)
   Call: (211) [system] arg(_1144182, v('(', ')', end_of_file), '3')
   Fail: (211) [system] arg(_1145114, v('(', ')', end_of_file), '3')
^  Fail: (210) [user] is_delimiter('3')
   Call: (210) [system] ')'=='3'
   Fail: (210) [system] ')'=='3'
   Call: (210) [system] get_char((0x563acd73bee0), '3')
   Exit: (210) [system] get_char((0x563acd73bee0), '3')
   Call: (210) [system] '3'=(\)
   Fail: (210) [system] '3'=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1152464)
   Call: (211) [system] peek_char((0x563acd73bee0), _1153398)
   Exit: (211) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _1152464=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (210) [system] _1138528=['3']
   Exit: (210) [system] ['3']=['3']
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), ['3'])
   Call: (209) [system] _1124592=[f, '3']
   Exit: (209) [system] [f, '3']=[f, '3']
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [f, '3'])
   Call: (208) [system] _1110656=[o, f, '3']
   Exit: (208) [system] [o, f, '3']=[o, f, '3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, f, '3'])
   Call: (207) [system] _1096720=[o, o, f, '3']
   Exit: (207) [system] [o, o, f, '3']=[o, o, f, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, o, f, '3'])
   Call: (206) [system] _1082784=[r, o, o, f, '3']
   Exit: (206) [system] [r, o, o, f, '3']=[r, o, o, f, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, o, f, '3'])
   Call: (205) [system] _1068848=[p, r, o, o, f, '3']
   Exit: (205) [system] [p, r, o, o, f, '3']=[p, r, o, o, f, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, o, o, f, '3'])
^  Call: (204) [user] classify_and_convert_charseq([$, p, r, o, o, f, '3'], _1033338)
^  Call: (205) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '3'], _1179446)
   Call: (206) [system] atom_chars(_1180378, ['_', p, r, o, o, f, '3'])
   Exit: (206) [system] atom_chars('_proof3', ['_', p, r, o, o, f, '3'])
^  Exit: (205) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '3'], _proof3)
   Call: (205) [system] integer(_proof3)
   Fail: (205) [system] integer(_proof3)
   Call: (205) [system] _1033338=_proof3
   Exit: (205) [system] _proof3=_proof3
^  Exit: (204) [user] classify_and_convert_charseq([$, p, r, o, o, f, '3'], _proof3)
^  Exit: (203) [user] read_symbolic(')', (0x563acd73bee0), $, _proof3)
^  Exit: (202) [user] cont_sexpr(')', (0x563acd73bee0), _proof3)
^  Call: (202) [user] read_list(')', (0x563acd73bee0), _1189670)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1191528)
   Exit: (204) [system] peek_char((0x563acd73bee0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x563acd73bee0), _1201122)
   Exit: (204) [system] get_char((0x563acd73bee0), ' ')
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1203826)
   Exit: (205) [system] peek_char((0x563acd73bee0), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
   Call: (205) [system] ($)=(/)
   Fail: (205) [system] ($)=(/)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1220760)
   Exit: (203) [system] peek_char((0x563acd73bee0), $)
   Call: (203) [system] ($)=')'
   Fail: (203) [system] ($)=')'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x563acd73bee0), _1226330)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1228188)
   Exit: (205) [system] peek_char((0x563acd73bee0), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
   Call: (205) [system] ($)=(/)
   Fail: (205) [system] ($)=(/)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] get_char((0x563acd73bee0), _1244198)
   Exit: (204) [system] get_char((0x563acd73bee0), $)
   Call: (204) [system] ($)='('
   Fail: (204) [system] ($)='('
   Call: (204) [system] ($)='['
   Fail: (204) [system] ($)='['
   Call: (204) [system] ($)='{'
   Fail: (204) [system] ($)='{'
   Call: (204) [system] ($)='"'
   Fail: (204) [system] ($)='"'
   Call: (204) [system] ($)=!
   Fail: (204) [system] ($)=!
   Call: (204) [system] ($)='\''
   Fail: (204) [system] ($)='\''
   Call: (204) [system] ($)='`'
   Fail: (204) [system] ($)='`'
   Call: (204) [system] ($)=end_of_file
   Fail: (204) [system] ($)=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x563acd73bee0), $, _1226330)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1261840)
   Call: (206) [system] peek_char((0x563acd73bee0), _1262774)
   Exit: (206) [system] peek_char((0x563acd73bee0), p)
^  Call: (206) [user] is_delimiter(p)
   Call: (207) [system] char_type(p, space)
   Fail: (207) [system] char_type(p, space)
   Call: (207) [system] arg(_1267494, v('(', ')', end_of_file), p)
   Fail: (207) [system] arg(_1268426, v('(', ')', end_of_file), p)
^  Fail: (206) [user] is_delimiter(p)
   Call: (206) [system] ')'==p
   Fail: (206) [system] ')'==p
   Call: (206) [system] get_char((0x563acd73bee0), p)
   Exit: (206) [system] get_char((0x563acd73bee0), p)
   Call: (206) [system] p=(\)
   Fail: (206) [system] p=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1275776)
   Call: (207) [system] peek_char((0x563acd73bee0), _1276710)
   Exit: (207) [system] peek_char((0x563acd73bee0), r)
^  Call: (207) [user] is_delimiter(r)
   Call: (208) [system] char_type(r, space)
   Fail: (208) [system] char_type(r, space)
   Call: (208) [system] arg(_1281430, v('(', ')', end_of_file), r)
   Fail: (208) [system] arg(_1282362, v('(', ')', end_of_file), r)
^  Fail: (207) [user] is_delimiter(r)
   Call: (207) [system] ')'==r
   Fail: (207) [system] ')'==r
   Call: (207) [system] get_char((0x563acd73bee0), r)
   Exit: (207) [system] get_char((0x563acd73bee0), r)
   Call: (207) [system] r=(\)
   Fail: (207) [system] r=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1289712)
   Call: (208) [system] peek_char((0x563acd73bee0), _1290646)
   Exit: (208) [system] peek_char((0x563acd73bee0), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Fail: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_1295366, v('(', ')', end_of_file), e)
   Fail: (209) [system] arg(_1296298, v('(', ')', end_of_file), e)
^  Fail: (208) [user] is_delimiter(e)
   Call: (208) [system] ')'==e
   Fail: (208) [system] ')'==e
   Call: (208) [system] get_char((0x563acd73bee0), e)
   Exit: (208) [system] get_char((0x563acd73bee0), e)
   Call: (208) [system] e=(\)
   Fail: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1303648)
   Call: (209) [system] peek_char((0x563acd73bee0), _1304582)
   Exit: (209) [system] peek_char((0x563acd73bee0), m)
^  Call: (209) [user] is_delimiter(m)
   Call: (210) [system] char_type(m, space)
   Fail: (210) [system] char_type(m, space)
   Call: (210) [system] arg(_1309302, v('(', ')', end_of_file), m)
   Fail: (210) [system] arg(_1310234, v('(', ')', end_of_file), m)
^  Fail: (209) [user] is_delimiter(m)
   Call: (209) [system] ')'==m
   Fail: (209) [system] ')'==m
   Call: (209) [system] get_char((0x563acd73bee0), m)
   Exit: (209) [system] get_char((0x563acd73bee0), m)
   Call: (209) [system] m=(\)
   Fail: (209) [system] m=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1317584)
   Call: (210) [system] peek_char((0x563acd73bee0), _1318518)
   Exit: (210) [system] peek_char((0x563acd73bee0), i)
^  Call: (210) [user] is_delimiter(i)
   Call: (211) [system] char_type(i, space)
   Fail: (211) [system] char_type(i, space)
   Call: (211) [system] arg(_1323238, v('(', ')', end_of_file), i)
   Fail: (211) [system] arg(_1324170, v('(', ')', end_of_file), i)
^  Fail: (210) [user] is_delimiter(i)
   Call: (210) [system] ')'==i
   Fail: (210) [system] ')'==i
   Call: (210) [system] get_char((0x563acd73bee0), i)
   Exit: (210) [system] get_char((0x563acd73bee0), i)
   Call: (210) [system] i=(\)
   Fail: (210) [system] i=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1331520)
   Call: (211) [system] peek_char((0x563acd73bee0), _1332454)
   Exit: (211) [system] peek_char((0x563acd73bee0), s)
^  Call: (211) [user] is_delimiter(s)
   Call: (212) [system] char_type(s, space)
   Fail: (212) [system] char_type(s, space)
   Call: (212) [system] arg(_1337174, v('(', ')', end_of_file), s)
   Fail: (212) [system] arg(_1338106, v('(', ')', end_of_file), s)
^  Fail: (211) [user] is_delimiter(s)
   Call: (211) [system] ')'==s
   Fail: (211) [system] ')'==s
   Call: (211) [system] get_char((0x563acd73bee0), s)
   Exit: (211) [system] get_char((0x563acd73bee0), s)
   Call: (211) [system] s=(\)
   Fail: (211) [system] s=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1345456)
   Call: (212) [system] peek_char((0x563acd73bee0), _1346390)
   Exit: (212) [system] peek_char((0x563acd73bee0), e)
^  Call: (212) [user] is_delimiter(e)
   Call: (213) [system] char_type(e, space)
   Fail: (213) [system] char_type(e, space)
   Call: (213) [system] arg(_1351110, v('(', ')', end_of_file), e)
   Fail: (213) [system] arg(_1352042, v('(', ')', end_of_file), e)
^  Fail: (212) [user] is_delimiter(e)
   Call: (212) [system] ')'==e
   Fail: (212) [system] ')'==e
   Call: (212) [system] get_char((0x563acd73bee0), e)
   Exit: (212) [system] get_char((0x563acd73bee0), e)
   Call: (212) [system] e=(\)
   Fail: (212) [system] e=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _1359392)
   Call: (213) [system] peek_char((0x563acd73bee0), _1360326)
   Exit: (213) [system] peek_char((0x563acd73bee0), '3')
^  Call: (213) [user] is_delimiter('3')
   Call: (214) [system] char_type('3', space)
   Fail: (214) [system] char_type('3', space)
   Call: (214) [system] arg(_1365046, v('(', ')', end_of_file), '3')
   Fail: (214) [system] arg(_1365978, v('(', ')', end_of_file), '3')
^  Fail: (213) [user] is_delimiter('3')
   Call: (213) [system] ')'=='3'
   Fail: (213) [system] ')'=='3'
   Call: (213) [system] get_char((0x563acd73bee0), '3')
   Exit: (213) [system] get_char((0x563acd73bee0), '3')
   Call: (213) [system] '3'=(\)
   Fail: (213) [system] '3'=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _1373328)
   Call: (214) [system] peek_char((0x563acd73bee0), _1374262)
   Exit: (214) [system] peek_char((0x563acd73bee0), ')')
^  Call: (214) [user] is_delimiter(')')
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] arg(_1378982, v('(', ')', end_of_file), ')')
   Exit: (215) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (214) [user] is_delimiter(')')
   Call: (214) [system] _1373328=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (213) [system] _1359392=['3']
   Exit: (213) [system] ['3']=['3']
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), ['3'])
   Call: (212) [system] _1345456=[e, '3']
   Exit: (212) [system] [e, '3']=[e, '3']
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, '3'])
   Call: (211) [system] _1331520=[s, e, '3']
   Exit: (211) [system] [s, e, '3']=[s, e, '3']
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, e, '3'])
   Call: (210) [system] _1317584=[i, s, e, '3']
   Exit: (210) [system] [i, s, e, '3']=[i, s, e, '3']
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, e, '3'])
   Call: (209) [system] _1303648=[m, i, s, e, '3']
   Exit: (209) [system] [m, i, s, e, '3']=[m, i, s, e, '3']
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, i, s, e, '3'])
   Call: (208) [system] _1289712=[e, m, i, s, e, '3']
   Exit: (208) [system] [e, m, i, s, e, '3']=[e, m, i, s, e, '3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, m, i, s, e, '3'])
   Call: (207) [system] _1275776=[r, e, m, i, s, e, '3']
   Exit: (207) [system] [r, e, m, i, s, e, '3']=[r, e, m, i, s, e, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, e, m, i, s, e, '3'])
   Call: (206) [system] _1261840=[p, r, e, m, i, s, e, '3']
   Exit: (206) [system] [p, r, e, m, i, s, e, '3']=[p, r, e, m, i, s, e, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, e, m, i, s, e, '3'])
^  Call: (205) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '3'], _1226330)
^  Call: (206) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '3'], _1407770)
   Call: (207) [system] atom_chars(_1408702, ['_', p, r, e, m, i, s, e, '3'])
   Exit: (207) [system] atom_chars('_premise3', ['_', p, r, e, m, i, s, e, '3'])
^  Exit: (206) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '3'], _premise3)
   Call: (206) [system] integer(_premise3)
   Fail: (206) [system] integer(_premise3)
   Call: (206) [system] _1226330=_premise3
   Exit: (206) [system] _premise3=_premise3
^  Exit: (205) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '3'], _premise3)
^  Exit: (204) [user] read_symbolic(')', (0x563acd73bee0), $, _premise3)
^  Exit: (203) [user] cont_sexpr(')', (0x563acd73bee0), _premise3)
^  Call: (203) [user] read_list(')', (0x563acd73bee0), _1417994)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1419852)
   Exit: (205) [system] peek_char((0x563acd73bee0), ')')
   Call: (205) [system] ')'=(;)
   Fail: (205) [system] ')'=(;)
   Call: (205) [system] ')'=(/)
   Fail: (205) [system] ')'=(/)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Fail: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Fail: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
   Fail: (206) [system] char_type(')', cntrl)
^  Fail: (205) [user] is_like_space(')')
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1435862)
   Exit: (204) [system] peek_char((0x563acd73bee0), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x563acd73bee0), _1439652)
   Exit: (204) [system] get_char((0x563acd73bee0), ')')
   Call: (204) [system] _1417994=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x563acd73bee0), [])
   Call: (203) [system] _1189670=[_premise3]
   Exit: (203) [system] [_premise3]=[_premise3]
^  Exit: (202) [user] read_list(')', (0x563acd73bee0), [_premise3])
   Call: (202) [system] _996678=[_proof3, _premise3]
   Exit: (202) [system] [_proof3, _premise3]=[_proof3, _premise3]
^  Exit: (201) [user] read_list(')', (0x563acd73bee0), [_proof3, _premise3])
   Call: (201) [system] _892852=[:, _proof3, _premise3]
   Exit: (201) [system] [:, _proof3, _premise3]=[:, _proof3, _premise3]
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), [:, _proof3, _premise3])
^  Exit: (199) [user] cont_sexpr(')', (0x563acd73bee0), [:, _proof3, _premise3])
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _1453534)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1455392)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _1464986)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1467690)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1484624)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x563acd73bee0), _1490194)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1492052)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] get_char((0x563acd73bee0), _1508062)
   Exit: (201) [system] get_char((0x563acd73bee0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x563acd73bee0), $, _1490194)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1525704)
   Call: (203) [system] peek_char((0x563acd73bee0), _1526638)
   Exit: (203) [system] peek_char((0x563acd73bee0), k)
^  Call: (203) [user] is_delimiter(k)
   Call: (204) [system] char_type(k, space)
   Fail: (204) [system] char_type(k, space)
   Call: (204) [system] arg(_1531358, v('(', ')', end_of_file), k)
   Fail: (204) [system] arg(_1532290, v('(', ')', end_of_file), k)
^  Fail: (203) [user] is_delimiter(k)
   Call: (203) [system] ')'==k
   Fail: (203) [system] ')'==k
   Call: (203) [system] get_char((0x563acd73bee0), k)
   Exit: (203) [system] get_char((0x563acd73bee0), k)
   Call: (203) [system] k=(\)
   Fail: (203) [system] k=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1539640)
   Call: (204) [system] peek_char((0x563acd73bee0), _1540574)
   Exit: (204) [system] peek_char((0x563acd73bee0), b)
^  Call: (204) [user] is_delimiter(b)
   Call: (205) [system] char_type(b, space)
   Fail: (205) [system] char_type(b, space)
   Call: (205) [system] arg(_1545294, v('(', ')', end_of_file), b)
   Fail: (205) [system] arg(_1546226, v('(', ')', end_of_file), b)
^  Fail: (204) [user] is_delimiter(b)
   Call: (204) [system] ')'==b
   Fail: (204) [system] ')'==b
   Call: (204) [system] get_char((0x563acd73bee0), b)
   Exit: (204) [system] get_char((0x563acd73bee0), b)
   Call: (204) [system] b=(\)
   Fail: (204) [system] b=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1553576)
   Call: (205) [system] peek_char((0x563acd73bee0), _1554510)
   Exit: (205) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _1553576=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (204) [system] _1539640=[b]
   Exit: (204) [system] [b]=[b]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
   Call: (203) [system] _1525704=[k, b]
   Exit: (203) [system] [k, b]=[k, b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [k, b])
^  Call: (202) [user] classify_and_convert_charseq([$, k, b], _1490194)
^  Call: (203) [user] classify_and_convert_charseq_([$, k, b], _1569382)
   Call: (204) [system] atom_chars(_1570314, ['_', k, b])
   Exit: (204) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (203) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (203) [system] integer(_kb)
   Fail: (203) [system] integer(_kb)
   Call: (203) [system] _1490194=_kb
   Exit: (203) [system] _kb=_kb
^  Exit: (202) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (201) [user] read_symbolic(')', (0x563acd73bee0), $, _kb)
^  Exit: (200) [user] cont_sexpr(')', (0x563acd73bee0), _kb)
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _1579606)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1581464)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x563acd73bee0), _1591058)
   Exit: (202) [system] get_char((0x563acd73bee0), ' ')
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1593762)
   Exit: (203) [system] peek_char((0x563acd73bee0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1610696)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x563acd73bee0), _1616266)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1618124)
   Exit: (203) [system] peek_char((0x563acd73bee0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] get_char((0x563acd73bee0), _1634134)
   Exit: (202) [system] get_char((0x563acd73bee0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x563acd73bee0), $, _1616266)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1651776)
   Call: (204) [system] peek_char((0x563acd73bee0), _1652710)
   Exit: (204) [system] peek_char((0x563acd73bee0), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_1657430, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_1658362, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x563acd73bee0), r)
   Exit: (204) [system] get_char((0x563acd73bee0), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1665712)
   Call: (205) [system] peek_char((0x563acd73bee0), _1666646)
   Exit: (205) [system] peek_char((0x563acd73bee0), b)
^  Call: (205) [user] is_delimiter(b)
   Call: (206) [system] char_type(b, space)
   Fail: (206) [system] char_type(b, space)
   Call: (206) [system] arg(_1671366, v('(', ')', end_of_file), b)
   Fail: (206) [system] arg(_1672298, v('(', ')', end_of_file), b)
^  Fail: (205) [user] is_delimiter(b)
   Call: (205) [system] ')'==b
   Fail: (205) [system] ')'==b
   Call: (205) [system] get_char((0x563acd73bee0), b)
   Exit: (205) [system] get_char((0x563acd73bee0), b)
   Call: (205) [system] b=(\)
   Fail: (205) [system] b=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1679648)
   Call: (206) [system] peek_char((0x563acd73bee0), _1680582)
   Exit: (206) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _1679648=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (205) [system] _1665712=[b]
   Exit: (205) [system] [b]=[b]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
   Call: (204) [system] _1651776=[r, b]
   Exit: (204) [system] [r, b]=[r, b]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, b])
^  Call: (203) [user] classify_and_convert_charseq([$, r, b], _1616266)
^  Call: (204) [user] classify_and_convert_charseq_([$, r, b], _1695454)
   Call: (205) [system] atom_chars(_1696386, ['_', r, b])
   Exit: (205) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (204) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (204) [system] integer(_rb)
   Fail: (204) [system] integer(_rb)
   Call: (204) [system] _1616266=_rb
   Exit: (204) [system] _rb=_rb
^  Exit: (203) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (202) [user] read_symbolic(')', (0x563acd73bee0), $, _rb)
^  Exit: (201) [user] cont_sexpr(')', (0x563acd73bee0), _rb)
^  Call: (201) [user] read_list(')', (0x563acd73bee0), _1705678)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1707536)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x563acd73bee0), _1717130)
   Exit: (203) [system] get_char((0x563acd73bee0), ' ')
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1719834)
   Exit: (204) [system] peek_char((0x563acd73bee0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1736768)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=')'
   Fail: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x563acd73bee0), _1742338)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1744196)
   Exit: (204) [system] peek_char((0x563acd73bee0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] get_char((0x563acd73bee0), _1760206)
   Exit: (203) [system] get_char((0x563acd73bee0), $)
   Call: (203) [system] ($)='('
   Fail: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Fail: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Fail: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Fail: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Fail: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Fail: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Fail: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x563acd73bee0), $, _1742338)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1777848)
   Call: (205) [system] peek_char((0x563acd73bee0), _1778782)
   Exit: (205) [system] peek_char((0x563acd73bee0), k)
^  Call: (205) [user] is_delimiter(k)
   Call: (206) [system] char_type(k, space)
   Fail: (206) [system] char_type(k, space)
   Call: (206) [system] arg(_1783502, v('(', ')', end_of_file), k)
   Fail: (206) [system] arg(_1784434, v('(', ')', end_of_file), k)
^  Fail: (205) [user] is_delimiter(k)
   Call: (205) [system] ')'==k
   Fail: (205) [system] ')'==k
   Call: (205) [system] get_char((0x563acd73bee0), k)
   Exit: (205) [system] get_char((0x563acd73bee0), k)
   Call: (205) [system] k=(\)
   Fail: (205) [system] k=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1791784)
   Call: (206) [system] peek_char((0x563acd73bee0), _1792718)
   Exit: (206) [system] peek_char((0x563acd73bee0), ')')
^  Call: (206) [user] is_delimiter(')')
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] arg(_1797438, v('(', ')', end_of_file), ')')
   Exit: (207) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (206) [user] is_delimiter(')')
   Call: (206) [system] _1791784=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (205) [system] _1777848=[k]
   Exit: (205) [system] [k]=[k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
^  Call: (204) [user] classify_and_convert_charseq([$, k], _1742338)
^  Call: (205) [user] classify_and_convert_charseq_([$, k], _1806668)
   Call: (206) [system] atom_chars(_1807600, ['_', k])
   Exit: (206) [system] atom_chars('_k', ['_', k])
^  Exit: (205) [user] classify_and_convert_charseq_([$, k], _k)
   Call: (205) [system] integer(_k)
   Fail: (205) [system] integer(_k)
   Call: (205) [system] _1742338=_k
   Exit: (205) [system] _k=_k
^  Exit: (204) [user] classify_and_convert_charseq([$, k], _k)
^  Exit: (203) [user] read_symbolic(')', (0x563acd73bee0), $, _k)
^  Exit: (202) [user] cont_sexpr(')', (0x563acd73bee0), _k)
^  Call: (202) [user] read_list(')', (0x563acd73bee0), _1816892)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1818750)
   Exit: (204) [system] peek_char((0x563acd73bee0), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
   Call: (204) [system] ')'=(/)
   Fail: (204) [system] ')'=(/)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1834760)
   Exit: (203) [system] peek_char((0x563acd73bee0), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x563acd73bee0), _1838550)
   Exit: (203) [system] get_char((0x563acd73bee0), ')')
   Call: (203) [system] _1816892=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x563acd73bee0), [])
   Call: (202) [system] _1705678=[_k]
   Exit: (202) [system] [_k]=[_k]
^  Exit: (201) [user] read_list(')', (0x563acd73bee0), [_k])
   Call: (201) [system] _1579606=[_rb, _k]
   Exit: (201) [system] [_rb, _k]=[_rb, _k]
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), [_rb, _k])
   Call: (200) [system] _1453534=[_kb, _rb, _k]
   Exit: (200) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), [_kb, _rb, _k])
   Call: (199) [system] _856192=[[:, _proof3, _premise3], _kb, _rb, _k]
   Exit: (199) [system] [[:, _proof3, _premise3], _kb, _rb, _k]=[[:, _proof3, _premise3], _kb, _rb, _k]
^  Exit: (198) [user] read_list(')', (0x563acd73bee0), [[:, _proof3, _premise3], _kb, _rb, _k])
   Call: (198) [system] _601796=[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]
   Exit: (198) [system] [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]=[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]
^  Exit: (197) [user] read_list(')', (0x563acd73bee0), [synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
^  Exit: (196) [user] cont_sexpr(')', (0x563acd73bee0), [synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
^  Call: (196) [user] read_list(')', (0x563acd73bee0), _1858020)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1859878)
   Exit: (198) [system] peek_char((0x563acd73bee0), ')')
   Call: (198) [system] ')'=(;)
   Fail: (198) [system] ')'=(;)
   Call: (198) [system] ')'=(/)
   Fail: (198) [system] ')'=(/)
^  Call: (198) [user] is_like_space(')')
   Call: (199) [system] char_type(')', 'white')
   Fail: (199) [system] char_type(')', 'white')
   Call: (199) [system] char_type(')', end_of_line)
   Fail: (199) [system] char_type(')', end_of_line)
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] char_type(')', cntrl)
   Fail: (199) [system] char_type(')', cntrl)
^  Fail: (198) [user] is_like_space(')')
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1875888)
   Exit: (197) [system] peek_char((0x563acd73bee0), ')')
   Call: (197) [system] ')'=')'
   Exit: (197) [system] ')'=')'
   Call: (197) [system] get_char((0x563acd73bee0), _1879678)
   Exit: (197) [system] get_char((0x563acd73bee0), ')')
   Call: (197) [system] _1858020=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_list(')', (0x563acd73bee0), [])
   Call: (196) [system] _565136=[[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]
   Exit: (196) [system] [[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]=[[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), [[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
   Call: (195) [system] _3872=[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]
   Exit: (195) [system] [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]=[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
^  Exit: (193) [user] cont_sexpr(')', (0x563acd73bee0), [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _1890766)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1892624)
   Exit: (195) [system] peek_char((0x563acd73bee0), '\n')
   Call: (195) [system] '\n'=(;)
   Fail: (195) [system] '\n'=(;)
   Call: (195) [system] '\n'=(/)
   Fail: (195) [system] '\n'=(/)
^  Call: (195) [user] is_like_space('\n')
   Call: (196) [system] char_type('\n', 'white')
   Fail: (196) [system] char_type('\n', 'white')
   Call: (196) [system] char_type('\n', end_of_line)
   Exit: (196) [system] char_type('\n', end_of_line)
^  Exit: (195) [user] is_like_space('\n')
   Call: (195) [system] get_char((0x563acd73bee0), _1904074)
   Exit: (195) [system] get_char((0x563acd73bee0), '\n')
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1906778)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x563acd73bee0), _1916372)
   Exit: (196) [system] get_char((0x563acd73bee0), ' ')
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1919076)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x563acd73bee0), _1928670)
   Exit: (197) [system] get_char((0x563acd73bee0), ' ')
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1931374)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x563acd73bee0), _1940968)
   Exit: (198) [system] get_char((0x563acd73bee0), ' ')
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1943672)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x563acd73bee0), _1953266)
   Exit: (199) [system] get_char((0x563acd73bee0), ' ')
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1955970)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x563acd73bee0), _1965564)
   Exit: (200) [system] get_char((0x563acd73bee0), ' ')
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1968268)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _1977862)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1980566)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x563acd73bee0), _1990160)
   Exit: (202) [system] get_char((0x563acd73bee0), ' ')
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1992864)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x563acd73bee0), _2002458)
   Exit: (203) [system] get_char((0x563acd73bee0), ' ')
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _2005162)
   Exit: (204) [system] peek_char((0x563acd73bee0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x563acd73bee0), _2014756)
   Exit: (204) [system] get_char((0x563acd73bee0), ' ')
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _2017460)
   Exit: (205) [system] peek_char((0x563acd73bee0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x563acd73bee0), _2027054)
   Exit: (205) [system] get_char((0x563acd73bee0), ' ')
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _2029758)
   Exit: (206) [system] peek_char((0x563acd73bee0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _2055932)
   Exit: (194) [system] peek_char((0x563acd73bee0), '(')
   Call: (194) [system] '('=')'
   Fail: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
   Fail: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x563acd73bee0), _2061502)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _2063360)
   Exit: (196) [system] peek_char((0x563acd73bee0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] get_char((0x563acd73bee0), _2079370)
   Exit: (195) [system] get_char((0x563acd73bee0), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _2061502)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _2084940)
   Exit: (197) [system] peek_char((0x563acd73bee0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _8124)
   Exit: (196) [system] peek_char((0x563acd73bee0), '(')
   Call: (196) [system] '('=')'
   Fail: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
   Fail: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x563acd73bee0), _13694)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _15552)
   Exit: (198) [system] peek_char((0x563acd73bee0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] get_char((0x563acd73bee0), _31562)
   Exit: (197) [system] get_char((0x563acd73bee0), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _13694)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _37132)
   Exit: (199) [system] peek_char((0x563acd73bee0), :)
   Call: (199) [system] (:)=(;)
   Fail: (199) [system] (:)=(;)
   Call: (199) [system] (:)=(/)
   Fail: (199) [system] (:)=(/)
^  Call: (199) [user] is_like_space(:)
   Call: (200) [system] char_type(:, 'white')
   Fail: (200) [system] char_type(:, 'white')
   Call: (200) [system] char_type(:, end_of_line)
   Fail: (200) [system] char_type(:, end_of_line)
   Call: (200) [system] char_type(:, space)
   Fail: (200) [system] char_type(:, space)
   Call: (200) [system] char_type(:, cntrl)
   Fail: (200) [system] char_type(:, cntrl)
^  Fail: (199) [user] is_like_space(:)
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _53142)
   Exit: (198) [system] peek_char((0x563acd73bee0), :)
   Call: (198) [system] (:)=')'
   Fail: (198) [system] (:)=')'
   Call: (198) [system] (:)=end_of_file
   Fail: (198) [system] (:)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x563acd73bee0), _58712)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _60570)
   Exit: (200) [system] peek_char((0x563acd73bee0), :)
   Call: (200) [system] (:)=(;)
   Fail: (200) [system] (:)=(;)
   Call: (200) [system] (:)=(/)
   Fail: (200) [system] (:)=(/)
^  Call: (200) [user] is_like_space(:)
   Call: (201) [system] char_type(:, 'white')
   Fail: (201) [system] char_type(:, 'white')
   Call: (201) [system] char_type(:, end_of_line)
   Fail: (201) [system] char_type(:, end_of_line)
   Call: (201) [system] char_type(:, space)
   Fail: (201) [system] char_type(:, space)
   Call: (201) [system] char_type(:, cntrl)
   Fail: (201) [system] char_type(:, cntrl)
^  Fail: (200) [user] is_like_space(:)
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] get_char((0x563acd73bee0), _76580)
   Exit: (199) [system] get_char((0x563acd73bee0), :)
   Call: (199) [system] (:)='('
   Fail: (199) [system] (:)='('
   Call: (199) [system] (:)='['
   Fail: (199) [system] (:)='['
   Call: (199) [system] (:)='{'
   Fail: (199) [system] (:)='{'
   Call: (199) [system] (:)='"'
   Fail: (199) [system] (:)='"'
   Call: (199) [system] (:)=!
   Fail: (199) [system] (:)=!
   Call: (199) [system] (:)='\''
   Fail: (199) [system] (:)='\''
   Call: (199) [system] (:)='`'
   Fail: (199) [system] (:)='`'
   Call: (199) [system] (:)=end_of_file
   Fail: (199) [system] (:)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x563acd73bee0), :, _58712)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _94222)
   Call: (201) [system] peek_char((0x563acd73bee0), _95156)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (201) [user] is_delimiter(' ')
   Call: (202) [system] char_type(' ', space)
   Exit: (202) [system] char_type(' ', space)
^  Exit: (201) [user] is_delimiter(' ')
   Call: (201) [system] _94222=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (200) [user] classify_and_convert_charseq([:], _58712)
^  Call: (201) [user] classify_and_convert_charseq_([:], _104440)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_105392, _105394), once(user:catch(read_from_chars([:], _104440), _105374, fail)), '$restore_trace'(_105392, _105394))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_105392, _105394))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _105374, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(:)
   Exit: (202) [system] atomic(:)
^  Exit: (201) [user] classify_and_convert_charseq_([:], :)
   Call: (201) [system] integer(:)
   Fail: (201) [system] integer(:)
   Call: (201) [system] _58712=(:)
   Exit: (201) [system] (:)=(:)
^  Exit: (200) [user] classify_and_convert_charseq([:], :)
^  Exit: (199) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (198) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _117520)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _119378)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x563acd73bee0), _128972)
   Exit: (200) [system] get_char((0x563acd73bee0), ' ')
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _131676)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _148610)
   Exit: (199) [system] peek_char((0x563acd73bee0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x563acd73bee0), _154180)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _156038)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] get_char((0x563acd73bee0), _172048)
   Exit: (200) [system] get_char((0x563acd73bee0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x563acd73bee0), $, _154180)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _189690)
   Call: (202) [system] peek_char((0x563acd73bee0), _190624)
   Exit: (202) [system] peek_char((0x563acd73bee0), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Fail: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_195344, v('(', ')', end_of_file), p)
   Fail: (203) [system] arg(_196276, v('(', ')', end_of_file), p)
^  Fail: (202) [user] is_delimiter(p)
   Call: (202) [system] ')'==p
   Fail: (202) [system] ')'==p
   Call: (202) [system] get_char((0x563acd73bee0), p)
   Exit: (202) [system] get_char((0x563acd73bee0), p)
   Call: (202) [system] p=(\)
   Fail: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _203626)
   Call: (203) [system] peek_char((0x563acd73bee0), _204560)
   Exit: (203) [system] peek_char((0x563acd73bee0), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_209280, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_210212, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x563acd73bee0), r)
   Exit: (203) [system] get_char((0x563acd73bee0), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _217562)
   Call: (204) [system] peek_char((0x563acd73bee0), _218496)
   Exit: (204) [system] peek_char((0x563acd73bee0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_223216, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_224148, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x563acd73bee0), o)
   Exit: (204) [system] get_char((0x563acd73bee0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _231498)
   Call: (205) [system] peek_char((0x563acd73bee0), _232432)
   Exit: (205) [system] peek_char((0x563acd73bee0), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_237152, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_238084, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x563acd73bee0), o)
   Exit: (205) [system] get_char((0x563acd73bee0), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _245434)
   Call: (206) [system] peek_char((0x563acd73bee0), _246368)
   Exit: (206) [system] peek_char((0x563acd73bee0), f)
^  Call: (206) [user] is_delimiter(f)
   Call: (207) [system] char_type(f, space)
   Fail: (207) [system] char_type(f, space)
   Call: (207) [system] arg(_251088, v('(', ')', end_of_file), f)
   Fail: (207) [system] arg(_252020, v('(', ')', end_of_file), f)
^  Fail: (206) [user] is_delimiter(f)
   Call: (206) [system] ')'==f
   Fail: (206) [system] ')'==f
   Call: (206) [system] get_char((0x563acd73bee0), f)
   Exit: (206) [system] get_char((0x563acd73bee0), f)
   Call: (206) [system] f=(\)
   Fail: (206) [system] f=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _259370)
   Call: (207) [system] peek_char((0x563acd73bee0), _260304)
   Exit: (207) [system] peek_char((0x563acd73bee0), '4')
^  Call: (207) [user] is_delimiter('4')
   Call: (208) [system] char_type('4', space)
   Fail: (208) [system] char_type('4', space)
   Call: (208) [system] arg(_265024, v('(', ')', end_of_file), '4')
   Fail: (208) [system] arg(_265956, v('(', ')', end_of_file), '4')
^  Fail: (207) [user] is_delimiter('4')
   Call: (207) [system] ')'=='4'
   Fail: (207) [system] ')'=='4'
   Call: (207) [system] get_char((0x563acd73bee0), '4')
   Exit: (207) [system] get_char((0x563acd73bee0), '4')
   Call: (207) [system] '4'=(\)
   Fail: (207) [system] '4'=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _273306)
   Call: (208) [system] peek_char((0x563acd73bee0), _274240)
   Exit: (208) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _273306=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (207) [system] _259370=['4']
   Exit: (207) [system] ['4']=['4']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), ['4'])
   Call: (206) [system] _245434=[f, '4']
   Exit: (206) [system] [f, '4']=[f, '4']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [f, '4'])
   Call: (205) [system] _231498=[o, f, '4']
   Exit: (205) [system] [o, f, '4']=[o, f, '4']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, f, '4'])
   Call: (204) [system] _217562=[o, o, f, '4']
   Exit: (204) [system] [o, o, f, '4']=[o, o, f, '4']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, o, f, '4'])
   Call: (203) [system] _203626=[r, o, o, f, '4']
   Exit: (203) [system] [r, o, o, f, '4']=[r, o, o, f, '4']
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, o, f, '4'])
   Call: (202) [system] _189690=[p, r, o, o, f, '4']
   Exit: (202) [system] [p, r, o, o, f, '4']=[p, r, o, o, f, '4']
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, o, o, f, '4'])
^  Call: (201) [user] classify_and_convert_charseq([$, p, r, o, o, f, '4'], _154180)
^  Call: (202) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '4'], _300288)
   Call: (203) [system] atom_chars(_301220, ['_', p, r, o, o, f, '4'])
   Exit: (203) [system] atom_chars('_proof4', ['_', p, r, o, o, f, '4'])
^  Exit: (202) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '4'], _proof4)
   Call: (202) [system] integer(_proof4)
   Fail: (202) [system] integer(_proof4)
   Call: (202) [system] _154180=_proof4
   Exit: (202) [system] _proof4=_proof4
^  Exit: (201) [user] classify_and_convert_charseq([$, p, r, o, o, f, '4'], _proof4)
^  Exit: (200) [user] read_symbolic(')', (0x563acd73bee0), $, _proof4)
^  Exit: (199) [user] cont_sexpr(')', (0x563acd73bee0), _proof4)
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _310512)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _312370)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _321964)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _324668)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _341602)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x563acd73bee0), _347172)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _349030)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] get_char((0x563acd73bee0), _365040)
   Exit: (201) [system] get_char((0x563acd73bee0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x563acd73bee0), $, _347172)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _382682)
   Call: (203) [system] peek_char((0x563acd73bee0), _383616)
   Exit: (203) [system] peek_char((0x563acd73bee0), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Fail: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_388336, v('(', ')', end_of_file), p)
   Fail: (204) [system] arg(_389268, v('(', ')', end_of_file), p)
^  Fail: (203) [user] is_delimiter(p)
   Call: (203) [system] ')'==p
   Fail: (203) [system] ')'==p
   Call: (203) [system] get_char((0x563acd73bee0), p)
   Exit: (203) [system] get_char((0x563acd73bee0), p)
   Call: (203) [system] p=(\)
   Fail: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _396618)
   Call: (204) [system] peek_char((0x563acd73bee0), _397552)
   Exit: (204) [system] peek_char((0x563acd73bee0), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_402272, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_403204, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x563acd73bee0), r)
   Exit: (204) [system] get_char((0x563acd73bee0), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _410554)
   Call: (205) [system] peek_char((0x563acd73bee0), _411488)
   Exit: (205) [system] peek_char((0x563acd73bee0), e)
^  Call: (205) [user] is_delimiter(e)
   Call: (206) [system] char_type(e, space)
   Fail: (206) [system] char_type(e, space)
   Call: (206) [system] arg(_416208, v('(', ')', end_of_file), e)
   Fail: (206) [system] arg(_417140, v('(', ')', end_of_file), e)
^  Fail: (205) [user] is_delimiter(e)
   Call: (205) [system] ')'==e
   Fail: (205) [system] ')'==e
   Call: (205) [system] get_char((0x563acd73bee0), e)
   Exit: (205) [system] get_char((0x563acd73bee0), e)
   Call: (205) [system] e=(\)
   Fail: (205) [system] e=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _424490)
   Call: (206) [system] peek_char((0x563acd73bee0), _425424)
   Exit: (206) [system] peek_char((0x563acd73bee0), m)
^  Call: (206) [user] is_delimiter(m)
   Call: (207) [system] char_type(m, space)
   Fail: (207) [system] char_type(m, space)
   Call: (207) [system] arg(_430144, v('(', ')', end_of_file), m)
   Fail: (207) [system] arg(_431076, v('(', ')', end_of_file), m)
^  Fail: (206) [user] is_delimiter(m)
   Call: (206) [system] ')'==m
   Fail: (206) [system] ')'==m
   Call: (206) [system] get_char((0x563acd73bee0), m)
   Exit: (206) [system] get_char((0x563acd73bee0), m)
   Call: (206) [system] m=(\)
   Fail: (206) [system] m=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _438426)
   Call: (207) [system] peek_char((0x563acd73bee0), _439360)
   Exit: (207) [system] peek_char((0x563acd73bee0), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Fail: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_444080, v('(', ')', end_of_file), i)
   Fail: (208) [system] arg(_445012, v('(', ')', end_of_file), i)
^  Fail: (207) [user] is_delimiter(i)
   Call: (207) [system] ')'==i
   Fail: (207) [system] ')'==i
   Call: (207) [system] get_char((0x563acd73bee0), i)
   Exit: (207) [system] get_char((0x563acd73bee0), i)
   Call: (207) [system] i=(\)
   Fail: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _452362)
   Call: (208) [system] peek_char((0x563acd73bee0), _453296)
   Exit: (208) [system] peek_char((0x563acd73bee0), s)
^  Call: (208) [user] is_delimiter(s)
   Call: (209) [system] char_type(s, space)
   Fail: (209) [system] char_type(s, space)
   Call: (209) [system] arg(_458016, v('(', ')', end_of_file), s)
   Fail: (209) [system] arg(_458948, v('(', ')', end_of_file), s)
^  Fail: (208) [user] is_delimiter(s)
   Call: (208) [system] ')'==s
   Fail: (208) [system] ')'==s
   Call: (208) [system] get_char((0x563acd73bee0), s)
   Exit: (208) [system] get_char((0x563acd73bee0), s)
   Call: (208) [system] s=(\)
   Fail: (208) [system] s=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _466298)
   Call: (209) [system] peek_char((0x563acd73bee0), _467232)
   Exit: (209) [system] peek_char((0x563acd73bee0), e)
^  Call: (209) [user] is_delimiter(e)
   Call: (210) [system] char_type(e, space)
   Fail: (210) [system] char_type(e, space)
   Call: (210) [system] arg(_471952, v('(', ')', end_of_file), e)
   Fail: (210) [system] arg(_472884, v('(', ')', end_of_file), e)
^  Fail: (209) [user] is_delimiter(e)
   Call: (209) [system] ')'==e
   Fail: (209) [system] ')'==e
   Call: (209) [system] get_char((0x563acd73bee0), e)
   Exit: (209) [system] get_char((0x563acd73bee0), e)
   Call: (209) [system] e=(\)
   Fail: (209) [system] e=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _480234)
   Call: (210) [system] peek_char((0x563acd73bee0), _481168)
   Exit: (210) [system] peek_char((0x563acd73bee0), '4')
^  Call: (210) [user] is_delimiter('4')
   Call: (211) [system] char_type('4', space)
   Fail: (211) [system] char_type('4', space)
   Call: (211) [system] arg(_485888, v('(', ')', end_of_file), '4')
   Fail: (211) [system] arg(_486820, v('(', ')', end_of_file), '4')
^  Fail: (210) [user] is_delimiter('4')
   Call: (210) [system] ')'=='4'
   Fail: (210) [system] ')'=='4'
   Call: (210) [system] get_char((0x563acd73bee0), '4')
   Exit: (210) [system] get_char((0x563acd73bee0), '4')
   Call: (210) [system] '4'=(\)
   Fail: (210) [system] '4'=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _494170)
   Call: (211) [system] peek_char((0x563acd73bee0), _495104)
   Exit: (211) [system] peek_char((0x563acd73bee0), ')')
^  Call: (211) [user] is_delimiter(')')
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] arg(_499824, v('(', ')', end_of_file), ')')
   Exit: (212) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (211) [user] is_delimiter(')')
   Call: (211) [system] _494170=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (210) [system] _480234=['4']
   Exit: (210) [system] ['4']=['4']
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), ['4'])
   Call: (209) [system] _466298=[e, '4']
   Exit: (209) [system] [e, '4']=[e, '4']
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, '4'])
   Call: (208) [system] _452362=[s, e, '4']
   Exit: (208) [system] [s, e, '4']=[s, e, '4']
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, e, '4'])
   Call: (207) [system] _438426=[i, s, e, '4']
   Exit: (207) [system] [i, s, e, '4']=[i, s, e, '4']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, e, '4'])
   Call: (206) [system] _424490=[m, i, s, e, '4']
   Exit: (206) [system] [m, i, s, e, '4']=[m, i, s, e, '4']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, i, s, e, '4'])
   Call: (205) [system] _410554=[e, m, i, s, e, '4']
   Exit: (205) [system] [e, m, i, s, e, '4']=[e, m, i, s, e, '4']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, m, i, s, e, '4'])
   Call: (204) [system] _396618=[r, e, m, i, s, e, '4']
   Exit: (204) [system] [r, e, m, i, s, e, '4']=[r, e, m, i, s, e, '4']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, e, m, i, s, e, '4'])
   Call: (203) [system] _382682=[p, r, e, m, i, s, e, '4']
   Exit: (203) [system] [p, r, e, m, i, s, e, '4']=[p, r, e, m, i, s, e, '4']
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, e, m, i, s, e, '4'])
^  Call: (202) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '4'], _347172)
^  Call: (203) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '4'], _528612)
   Call: (204) [system] atom_chars(_529544, ['_', p, r, e, m, i, s, e, '4'])
   Exit: (204) [system] atom_chars('_premise4', ['_', p, r, e, m, i, s, e, '4'])
^  Exit: (203) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '4'], _premise4)
   Call: (203) [system] integer(_premise4)
   Fail: (203) [system] integer(_premise4)
   Call: (203) [system] _347172=_premise4
   Exit: (203) [system] _premise4=_premise4
^  Exit: (202) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '4'], _premise4)
^  Exit: (201) [user] read_symbolic(')', (0x563acd73bee0), $, _premise4)
^  Exit: (200) [user] cont_sexpr(')', (0x563acd73bee0), _premise4)
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _538836)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _540694)
   Exit: (202) [system] peek_char((0x563acd73bee0), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
   Call: (202) [system] ')'=(/)
   Fail: (202) [system] ')'=(/)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _556704)
   Exit: (201) [system] peek_char((0x563acd73bee0), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x563acd73bee0), _560494)
   Exit: (201) [system] get_char((0x563acd73bee0), ')')
   Call: (201) [system] _538836=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), [])
   Call: (200) [system] _310512=[_premise4]
   Exit: (200) [system] [_premise4]=[_premise4]
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), [_premise4])
   Call: (199) [system] _117520=[_proof4, _premise4]
   Exit: (199) [system] [_proof4, _premise4]=[_proof4, _premise4]
^  Exit: (198) [user] read_list(')', (0x563acd73bee0), [_proof4, _premise4])
   Call: (198) [system] _13694=[:, _proof4, _premise4]
   Exit: (198) [system] [:, _proof4, _premise4]=[:, _proof4, _premise4]
^  Exit: (197) [user] read_list(')', (0x563acd73bee0), [:, _proof4, _premise4])
^  Exit: (196) [user] cont_sexpr(')', (0x563acd73bee0), [:, _proof4, _premise4])
^  Call: (196) [user] read_list(')', (0x563acd73bee0), _574376)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _576234)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x563acd73bee0), _585828)
   Exit: (198) [system] get_char((0x563acd73bee0), ' ')
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _588532)
   Exit: (199) [system] peek_char((0x563acd73bee0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _605466)
   Exit: (197) [system] peek_char((0x563acd73bee0), '(')
   Call: (197) [system] '('=')'
   Fail: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
   Fail: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x563acd73bee0), _611036)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _612894)
   Exit: (199) [system] peek_char((0x563acd73bee0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] get_char((0x563acd73bee0), _628904)
   Exit: (198) [system] get_char((0x563acd73bee0), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _611036)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _634474)
   Exit: (200) [system] peek_char((0x563acd73bee0), s)
   Call: (200) [system] s=(;)
   Fail: (200) [system] s=(;)
   Call: (200) [system] s=(/)
   Fail: (200) [system] s=(/)
^  Call: (200) [user] is_like_space(s)
   Call: (201) [system] char_type(s, 'white')
   Fail: (201) [system] char_type(s, 'white')
   Call: (201) [system] char_type(s, end_of_line)
   Fail: (201) [system] char_type(s, end_of_line)
   Call: (201) [system] char_type(s, space)
   Fail: (201) [system] char_type(s, space)
   Call: (201) [system] char_type(s, cntrl)
   Fail: (201) [system] char_type(s, cntrl)
^  Fail: (200) [user] is_like_space(s)
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _650484)
   Exit: (199) [system] peek_char((0x563acd73bee0), s)
   Call: (199) [system] s=')'
   Fail: (199) [system] s=')'
   Call: (199) [system] s=end_of_file
   Fail: (199) [system] s=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x563acd73bee0), _656054)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _657912)
   Exit: (201) [system] peek_char((0x563acd73bee0), s)
   Call: (201) [system] s=(;)
   Fail: (201) [system] s=(;)
   Call: (201) [system] s=(/)
   Fail: (201) [system] s=(/)
^  Call: (201) [user] is_like_space(s)
   Call: (202) [system] char_type(s, 'white')
   Fail: (202) [system] char_type(s, 'white')
   Call: (202) [system] char_type(s, end_of_line)
   Fail: (202) [system] char_type(s, end_of_line)
   Call: (202) [system] char_type(s, space)
   Fail: (202) [system] char_type(s, space)
   Call: (202) [system] char_type(s, cntrl)
   Fail: (202) [system] char_type(s, cntrl)
^  Fail: (201) [user] is_like_space(s)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] get_char((0x563acd73bee0), _673922)
   Exit: (200) [system] get_char((0x563acd73bee0), s)
   Call: (200) [system] s='('
   Fail: (200) [system] s='('
   Call: (200) [system] s='['
   Fail: (200) [system] s='['
   Call: (200) [system] s='{'
   Fail: (200) [system] s='{'
   Call: (200) [system] s='"'
   Fail: (200) [system] s='"'
   Call: (200) [system] s=!
   Fail: (200) [system] s=!
   Call: (200) [system] s='\''
   Fail: (200) [system] s='\''
   Call: (200) [system] s='`'
   Fail: (200) [system] s='`'
   Call: (200) [system] s=end_of_file
   Fail: (200) [system] s=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x563acd73bee0), s, _656054)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _691564)
   Call: (202) [system] peek_char((0x563acd73bee0), _692498)
   Exit: (202) [system] peek_char((0x563acd73bee0), y)
^  Call: (202) [user] is_delimiter(y)
   Call: (203) [system] char_type(y, space)
   Fail: (203) [system] char_type(y, space)
   Call: (203) [system] arg(_697218, v('(', ')', end_of_file), y)
   Fail: (203) [system] arg(_698150, v('(', ')', end_of_file), y)
^  Fail: (202) [user] is_delimiter(y)
   Call: (202) [system] ')'==y
   Fail: (202) [system] ')'==y
   Call: (202) [system] get_char((0x563acd73bee0), y)
   Exit: (202) [system] get_char((0x563acd73bee0), y)
   Call: (202) [system] y=(\)
   Fail: (202) [system] y=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _705500)
   Call: (203) [system] peek_char((0x563acd73bee0), _706434)
   Exit: (203) [system] peek_char((0x563acd73bee0), n)
^  Call: (203) [user] is_delimiter(n)
   Call: (204) [system] char_type(n, space)
   Fail: (204) [system] char_type(n, space)
   Call: (204) [system] arg(_711154, v('(', ')', end_of_file), n)
   Fail: (204) [system] arg(_712086, v('(', ')', end_of_file), n)
^  Fail: (203) [user] is_delimiter(n)
   Call: (203) [system] ')'==n
   Fail: (203) [system] ')'==n
   Call: (203) [system] get_char((0x563acd73bee0), n)
   Exit: (203) [system] get_char((0x563acd73bee0), n)
   Call: (203) [system] n=(\)
   Fail: (203) [system] n=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _719436)
   Call: (204) [system] peek_char((0x563acd73bee0), _720370)
   Exit: (204) [system] peek_char((0x563acd73bee0), t)
^  Call: (204) [user] is_delimiter(t)
   Call: (205) [system] char_type(t, space)
   Fail: (205) [system] char_type(t, space)
   Call: (205) [system] arg(_725090, v('(', ')', end_of_file), t)
   Fail: (205) [system] arg(_726022, v('(', ')', end_of_file), t)
^  Fail: (204) [user] is_delimiter(t)
   Call: (204) [system] ')'==t
   Fail: (204) [system] ')'==t
   Call: (204) [system] get_char((0x563acd73bee0), t)
   Exit: (204) [system] get_char((0x563acd73bee0), t)
   Call: (204) [system] t=(\)
   Fail: (204) [system] t=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _733372)
   Call: (205) [system] peek_char((0x563acd73bee0), _734306)
   Exit: (205) [system] peek_char((0x563acd73bee0), h)
^  Call: (205) [user] is_delimiter(h)
   Call: (206) [system] char_type(h, space)
   Fail: (206) [system] char_type(h, space)
   Call: (206) [system] arg(_739026, v('(', ')', end_of_file), h)
   Fail: (206) [system] arg(_739958, v('(', ')', end_of_file), h)
^  Fail: (205) [user] is_delimiter(h)
   Call: (205) [system] ')'==h
   Fail: (205) [system] ')'==h
   Call: (205) [system] get_char((0x563acd73bee0), h)
   Exit: (205) [system] get_char((0x563acd73bee0), h)
   Call: (205) [system] h=(\)
   Fail: (205) [system] h=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _747308)
   Call: (206) [system] peek_char((0x563acd73bee0), _748242)
   Exit: (206) [system] peek_char((0x563acd73bee0), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Fail: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_752962, v('(', ')', end_of_file), e)
   Fail: (207) [system] arg(_753894, v('(', ')', end_of_file), e)
^  Fail: (206) [user] is_delimiter(e)
   Call: (206) [system] ')'==e
   Fail: (206) [system] ')'==e
   Call: (206) [system] get_char((0x563acd73bee0), e)
   Exit: (206) [system] get_char((0x563acd73bee0), e)
   Call: (206) [system] e=(\)
   Fail: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _761244)
   Call: (207) [system] peek_char((0x563acd73bee0), _762178)
   Exit: (207) [system] peek_char((0x563acd73bee0), s)
^  Call: (207) [user] is_delimiter(s)
   Call: (208) [system] char_type(s, space)
   Fail: (208) [system] char_type(s, space)
   Call: (208) [system] arg(_766898, v('(', ')', end_of_file), s)
   Fail: (208) [system] arg(_767830, v('(', ')', end_of_file), s)
^  Fail: (207) [user] is_delimiter(s)
   Call: (207) [system] ')'==s
   Fail: (207) [system] ')'==s
   Call: (207) [system] get_char((0x563acd73bee0), s)
   Exit: (207) [system] get_char((0x563acd73bee0), s)
   Call: (207) [system] s=(\)
   Fail: (207) [system] s=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _775180)
   Call: (208) [system] peek_char((0x563acd73bee0), _776114)
   Exit: (208) [system] peek_char((0x563acd73bee0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_780834, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_781766, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x563acd73bee0), i)
   Exit: (208) [system] get_char((0x563acd73bee0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _789116)
   Call: (209) [system] peek_char((0x563acd73bee0), _790050)
   Exit: (209) [system] peek_char((0x563acd73bee0), z)
^  Call: (209) [user] is_delimiter(z)
   Call: (210) [system] char_type(z, space)
   Fail: (210) [system] char_type(z, space)
   Call: (210) [system] arg(_794770, v('(', ')', end_of_file), z)
   Fail: (210) [system] arg(_795702, v('(', ')', end_of_file), z)
^  Fail: (209) [user] is_delimiter(z)
   Call: (209) [system] ')'==z
   Fail: (209) [system] ')'==z
   Call: (209) [system] get_char((0x563acd73bee0), z)
   Exit: (209) [system] get_char((0x563acd73bee0), z)
   Call: (209) [system] z=(\)
   Fail: (209) [system] z=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _803052)
   Call: (210) [system] peek_char((0x563acd73bee0), _803986)
   Exit: (210) [system] peek_char((0x563acd73bee0), e)
^  Call: (210) [user] is_delimiter(e)
   Call: (211) [system] char_type(e, space)
   Fail: (211) [system] char_type(e, space)
   Call: (211) [system] arg(_808706, v('(', ')', end_of_file), e)
   Fail: (211) [system] arg(_809638, v('(', ')', end_of_file), e)
^  Fail: (210) [user] is_delimiter(e)
   Call: (210) [system] ')'==e
   Fail: (210) [system] ')'==e
   Call: (210) [system] get_char((0x563acd73bee0), e)
   Exit: (210) [system] get_char((0x563acd73bee0), e)
   Call: (210) [system] e=(\)
   Fail: (210) [system] e=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _816988)
   Call: (211) [system] peek_char((0x563acd73bee0), _817922)
   Exit: (211) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _816988=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (210) [system] _803052=[e]
   Exit: (210) [system] [e]=[e]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [e])
   Call: (209) [system] _789116=[z, e]
   Exit: (209) [system] [z, e]=[z, e]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [z, e])
   Call: (208) [system] _775180=[i, z, e]
   Exit: (208) [system] [i, z, e]=[i, z, e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, z, e])
   Call: (207) [system] _761244=[s, i, z, e]
   Exit: (207) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, i, z, e])
   Call: (206) [system] _747308=[e, s, i, z, e]
   Exit: (206) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, s, i, z, e])
   Call: (205) [system] _733372=[h, e, s, i, z, e]
   Exit: (205) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [h, e, s, i, z, e])
   Call: (204) [system] _719436=[t, h, e, s, i, z, e]
   Exit: (204) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, h, e, s, i, z, e])
   Call: (203) [system] _705500=[n, t, h, e, s, i, z, e]
   Exit: (203) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, h, e, s, i, z, e])
   Call: (202) [system] _691564=[y, n, t, h, e, s, i, z, e]
   Exit: (202) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [y, n, t, h, e, s, i, z, e])
^  Call: (201) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _656054)
^  Call: (202) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _852352)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_853304, _853306), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _852352), _853286, fail)), '$restore_trace'(_853304, _853306))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_853304, _853306))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _853286, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(synthesize)
   Exit: (203) [system] atomic(synthesize)
^  Exit: (202) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (202) [system] integer(synthesize)
   Fail: (202) [system] integer(synthesize)
   Call: (202) [system] _656054=synthesize
   Exit: (202) [system] synthesize=synthesize
^  Exit: (201) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (200) [user] read_symbolic(')', (0x563acd73bee0), s, synthesize)
^  Exit: (199) [user] cont_sexpr(')', (0x563acd73bee0), synthesize)
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _865432)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _867290)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _876884)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _879588)
   Exit: (202) [system] peek_char((0x563acd73bee0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _896522)
   Exit: (200) [system] peek_char((0x563acd73bee0), '(')
   Call: (200) [system] '('=')'
   Fail: (200) [system] '('=')'
   Call: (200) [system] '('=end_of_file
   Fail: (200) [system] '('=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x563acd73bee0), _902092)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _903950)
   Exit: (202) [system] peek_char((0x563acd73bee0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] get_char((0x563acd73bee0), _919960)
   Exit: (201) [system] get_char((0x563acd73bee0), '(')
   Call: (201) [system] '('='('
   Exit: (201) [system] '('='('
^  Call: (201) [user] read_list(')', (0x563acd73bee0), _902092)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _925530)
   Exit: (203) [system] peek_char((0x563acd73bee0), :)
   Call: (203) [system] (:)=(;)
   Fail: (203) [system] (:)=(;)
   Call: (203) [system] (:)=(/)
   Fail: (203) [system] (:)=(/)
^  Call: (203) [user] is_like_space(:)
   Call: (204) [system] char_type(:, 'white')
   Fail: (204) [system] char_type(:, 'white')
   Call: (204) [system] char_type(:, end_of_line)
   Fail: (204) [system] char_type(:, end_of_line)
   Call: (204) [system] char_type(:, space)
   Fail: (204) [system] char_type(:, space)
   Call: (204) [system] char_type(:, cntrl)
   Fail: (204) [system] char_type(:, cntrl)
^  Fail: (203) [user] is_like_space(:)
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _941540)
   Exit: (202) [system] peek_char((0x563acd73bee0), :)
   Call: (202) [system] (:)=')'
   Fail: (202) [system] (:)=')'
   Call: (202) [system] (:)=end_of_file
   Fail: (202) [system] (:)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x563acd73bee0), _947110)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _948968)
   Exit: (204) [system] peek_char((0x563acd73bee0), :)
   Call: (204) [system] (:)=(;)
   Fail: (204) [system] (:)=(;)
   Call: (204) [system] (:)=(/)
   Fail: (204) [system] (:)=(/)
^  Call: (204) [user] is_like_space(:)
   Call: (205) [system] char_type(:, 'white')
   Fail: (205) [system] char_type(:, 'white')
   Call: (205) [system] char_type(:, end_of_line)
   Fail: (205) [system] char_type(:, end_of_line)
   Call: (205) [system] char_type(:, space)
   Fail: (205) [system] char_type(:, space)
   Call: (205) [system] char_type(:, cntrl)
   Fail: (205) [system] char_type(:, cntrl)
^  Fail: (204) [user] is_like_space(:)
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] get_char((0x563acd73bee0), _964978)
   Exit: (203) [system] get_char((0x563acd73bee0), :)
   Call: (203) [system] (:)='('
   Fail: (203) [system] (:)='('
   Call: (203) [system] (:)='['
   Fail: (203) [system] (:)='['
   Call: (203) [system] (:)='{'
   Fail: (203) [system] (:)='{'
   Call: (203) [system] (:)='"'
   Fail: (203) [system] (:)='"'
   Call: (203) [system] (:)=!
   Fail: (203) [system] (:)=!
   Call: (203) [system] (:)='\''
   Fail: (203) [system] (:)='\''
   Call: (203) [system] (:)='`'
   Fail: (203) [system] (:)='`'
   Call: (203) [system] (:)=end_of_file
   Fail: (203) [system] (:)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x563acd73bee0), :, _947110)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _982620)
   Call: (205) [system] peek_char((0x563acd73bee0), _983554)
   Exit: (205) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _982620=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (204) [user] classify_and_convert_charseq([:], _947110)
^  Call: (205) [user] classify_and_convert_charseq_([:], _992838)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_993790, _993792), once(user:catch(read_from_chars([:], _992838), _993772, fail)), '$restore_trace'(_993790, _993792))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_993790, _993792))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _993772, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(:)
   Exit: (206) [system] atomic(:)
^  Exit: (205) [user] classify_and_convert_charseq_([:], :)
   Call: (205) [system] integer(:)
   Fail: (205) [system] integer(:)
   Call: (205) [system] _947110=(:)
   Exit: (205) [system] (:)=(:)
^  Exit: (204) [user] classify_and_convert_charseq([:], :)
^  Exit: (203) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (202) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (202) [user] read_list(')', (0x563acd73bee0), _1005918)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1007776)
   Exit: (204) [system] peek_char((0x563acd73bee0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x563acd73bee0), _1017370)
   Exit: (204) [system] get_char((0x563acd73bee0), ' ')
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1020074)
   Exit: (205) [system] peek_char((0x563acd73bee0), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
   Call: (205) [system] ($)=(/)
   Fail: (205) [system] ($)=(/)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1037008)
   Exit: (203) [system] peek_char((0x563acd73bee0), $)
   Call: (203) [system] ($)=')'
   Fail: (203) [system] ($)=')'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x563acd73bee0), _1042578)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1044436)
   Exit: (205) [system] peek_char((0x563acd73bee0), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
   Call: (205) [system] ($)=(/)
   Fail: (205) [system] ($)=(/)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] get_char((0x563acd73bee0), _1060446)
   Exit: (204) [system] get_char((0x563acd73bee0), $)
   Call: (204) [system] ($)='('
   Fail: (204) [system] ($)='('
   Call: (204) [system] ($)='['
   Fail: (204) [system] ($)='['
   Call: (204) [system] ($)='{'
   Fail: (204) [system] ($)='{'
   Call: (204) [system] ($)='"'
   Fail: (204) [system] ($)='"'
   Call: (204) [system] ($)=!
   Fail: (204) [system] ($)=!
   Call: (204) [system] ($)='\''
   Fail: (204) [system] ($)='\''
   Call: (204) [system] ($)='`'
   Fail: (204) [system] ($)='`'
   Call: (204) [system] ($)=end_of_file
   Fail: (204) [system] ($)=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x563acd73bee0), $, _1042578)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1078088)
   Call: (206) [system] peek_char((0x563acd73bee0), _1079022)
   Exit: (206) [system] peek_char((0x563acd73bee0), p)
^  Call: (206) [user] is_delimiter(p)
   Call: (207) [system] char_type(p, space)
   Fail: (207) [system] char_type(p, space)
   Call: (207) [system] arg(_1083742, v('(', ')', end_of_file), p)
   Fail: (207) [system] arg(_1084674, v('(', ')', end_of_file), p)
^  Fail: (206) [user] is_delimiter(p)
   Call: (206) [system] ')'==p
   Fail: (206) [system] ')'==p
   Call: (206) [system] get_char((0x563acd73bee0), p)
   Exit: (206) [system] get_char((0x563acd73bee0), p)
   Call: (206) [system] p=(\)
   Fail: (206) [system] p=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1092024)
   Call: (207) [system] peek_char((0x563acd73bee0), _1092958)
   Exit: (207) [system] peek_char((0x563acd73bee0), r)
^  Call: (207) [user] is_delimiter(r)
   Call: (208) [system] char_type(r, space)
   Fail: (208) [system] char_type(r, space)
   Call: (208) [system] arg(_1097678, v('(', ')', end_of_file), r)
   Fail: (208) [system] arg(_1098610, v('(', ')', end_of_file), r)
^  Fail: (207) [user] is_delimiter(r)
   Call: (207) [system] ')'==r
   Fail: (207) [system] ')'==r
   Call: (207) [system] get_char((0x563acd73bee0), r)
   Exit: (207) [system] get_char((0x563acd73bee0), r)
   Call: (207) [system] r=(\)
   Fail: (207) [system] r=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1105960)
   Call: (208) [system] peek_char((0x563acd73bee0), _1106894)
   Exit: (208) [system] peek_char((0x563acd73bee0), o)
^  Call: (208) [user] is_delimiter(o)
   Call: (209) [system] char_type(o, space)
   Fail: (209) [system] char_type(o, space)
   Call: (209) [system] arg(_1111614, v('(', ')', end_of_file), o)
   Fail: (209) [system] arg(_1112546, v('(', ')', end_of_file), o)
^  Fail: (208) [user] is_delimiter(o)
   Call: (208) [system] ')'==o
   Fail: (208) [system] ')'==o
   Call: (208) [system] get_char((0x563acd73bee0), o)
   Exit: (208) [system] get_char((0x563acd73bee0), o)
   Call: (208) [system] o=(\)
   Fail: (208) [system] o=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1119896)
   Call: (209) [system] peek_char((0x563acd73bee0), _1120830)
   Exit: (209) [system] peek_char((0x563acd73bee0), o)
^  Call: (209) [user] is_delimiter(o)
   Call: (210) [system] char_type(o, space)
   Fail: (210) [system] char_type(o, space)
   Call: (210) [system] arg(_1125550, v('(', ')', end_of_file), o)
   Fail: (210) [system] arg(_1126482, v('(', ')', end_of_file), o)
^  Fail: (209) [user] is_delimiter(o)
   Call: (209) [system] ')'==o
   Fail: (209) [system] ')'==o
   Call: (209) [system] get_char((0x563acd73bee0), o)
   Exit: (209) [system] get_char((0x563acd73bee0), o)
   Call: (209) [system] o=(\)
   Fail: (209) [system] o=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1133832)
   Call: (210) [system] peek_char((0x563acd73bee0), _1134766)
   Exit: (210) [system] peek_char((0x563acd73bee0), f)
^  Call: (210) [user] is_delimiter(f)
   Call: (211) [system] char_type(f, space)
   Fail: (211) [system] char_type(f, space)
   Call: (211) [system] arg(_1139486, v('(', ')', end_of_file), f)
   Fail: (211) [system] arg(_1140418, v('(', ')', end_of_file), f)
^  Fail: (210) [user] is_delimiter(f)
   Call: (210) [system] ')'==f
   Fail: (210) [system] ')'==f
   Call: (210) [system] get_char((0x563acd73bee0), f)
   Exit: (210) [system] get_char((0x563acd73bee0), f)
   Call: (210) [system] f=(\)
   Fail: (210) [system] f=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1147768)
   Call: (211) [system] peek_char((0x563acd73bee0), _1148702)
   Exit: (211) [system] peek_char((0x563acd73bee0), '4')
^  Call: (211) [user] is_delimiter('4')
   Call: (212) [system] char_type('4', space)
   Fail: (212) [system] char_type('4', space)
   Call: (212) [system] arg(_1153422, v('(', ')', end_of_file), '4')
   Fail: (212) [system] arg(_1154354, v('(', ')', end_of_file), '4')
^  Fail: (211) [user] is_delimiter('4')
   Call: (211) [system] ')'=='4'
   Fail: (211) [system] ')'=='4'
   Call: (211) [system] get_char((0x563acd73bee0), '4')
   Exit: (211) [system] get_char((0x563acd73bee0), '4')
   Call: (211) [system] '4'=(\)
   Fail: (211) [system] '4'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1161704)
   Call: (212) [system] peek_char((0x563acd73bee0), _1162638)
   Exit: (212) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _1161704=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (211) [system] _1147768=['4']
   Exit: (211) [system] ['4']=['4']
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), ['4'])
   Call: (210) [system] _1133832=[f, '4']
   Exit: (210) [system] [f, '4']=[f, '4']
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [f, '4'])
   Call: (209) [system] _1119896=[o, f, '4']
   Exit: (209) [system] [o, f, '4']=[o, f, '4']
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, f, '4'])
   Call: (208) [system] _1105960=[o, o, f, '4']
   Exit: (208) [system] [o, o, f, '4']=[o, o, f, '4']
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, o, f, '4'])
   Call: (207) [system] _1092024=[r, o, o, f, '4']
   Exit: (207) [system] [r, o, o, f, '4']=[r, o, o, f, '4']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, o, f, '4'])
   Call: (206) [system] _1078088=[p, r, o, o, f, '4']
   Exit: (206) [system] [p, r, o, o, f, '4']=[p, r, o, o, f, '4']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, o, o, f, '4'])
^  Call: (205) [user] classify_and_convert_charseq([$, p, r, o, o, f, '4'], _1042578)
^  Call: (206) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '4'], _1188686)
   Call: (207) [system] atom_chars(_1189618, ['_', p, r, o, o, f, '4'])
   Exit: (207) [system] atom_chars('_proof4', ['_', p, r, o, o, f, '4'])
^  Exit: (206) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '4'], _proof4)
   Call: (206) [system] integer(_proof4)
   Fail: (206) [system] integer(_proof4)
   Call: (206) [system] _1042578=_proof4
   Exit: (206) [system] _proof4=_proof4
^  Exit: (205) [user] classify_and_convert_charseq([$, p, r, o, o, f, '4'], _proof4)
^  Exit: (204) [user] read_symbolic(')', (0x563acd73bee0), $, _proof4)
^  Exit: (203) [user] cont_sexpr(')', (0x563acd73bee0), _proof4)
^  Call: (203) [user] read_list(')', (0x563acd73bee0), _1198910)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1200768)
   Exit: (205) [system] peek_char((0x563acd73bee0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x563acd73bee0), _1210362)
   Exit: (205) [system] get_char((0x563acd73bee0), ' ')
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1213066)
   Exit: (206) [system] peek_char((0x563acd73bee0), $)
   Call: (206) [system] ($)=(;)
   Fail: (206) [system] ($)=(;)
   Call: (206) [system] ($)=(/)
   Fail: (206) [system] ($)=(/)
^  Call: (206) [user] is_like_space($)
   Call: (207) [system] char_type($, 'white')
   Fail: (207) [system] char_type($, 'white')
   Call: (207) [system] char_type($, end_of_line)
   Fail: (207) [system] char_type($, end_of_line)
   Call: (207) [system] char_type($, space)
   Fail: (207) [system] char_type($, space)
   Call: (207) [system] char_type($, cntrl)
   Fail: (207) [system] char_type($, cntrl)
^  Fail: (206) [user] is_like_space($)
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1230000)
   Exit: (204) [system] peek_char((0x563acd73bee0), $)
   Call: (204) [system] ($)=')'
   Fail: (204) [system] ($)=')'
   Call: (204) [system] ($)=end_of_file
   Fail: (204) [system] ($)=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x563acd73bee0), _1235570)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1237428)
   Exit: (206) [system] peek_char((0x563acd73bee0), $)
   Call: (206) [system] ($)=(;)
   Fail: (206) [system] ($)=(;)
   Call: (206) [system] ($)=(/)
   Fail: (206) [system] ($)=(/)
^  Call: (206) [user] is_like_space($)
   Call: (207) [system] char_type($, 'white')
   Fail: (207) [system] char_type($, 'white')
   Call: (207) [system] char_type($, end_of_line)
   Fail: (207) [system] char_type($, end_of_line)
   Call: (207) [system] char_type($, space)
   Fail: (207) [system] char_type($, space)
   Call: (207) [system] char_type($, cntrl)
   Fail: (207) [system] char_type($, cntrl)
^  Fail: (206) [user] is_like_space($)
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] get_char((0x563acd73bee0), _1253438)
   Exit: (205) [system] get_char((0x563acd73bee0), $)
   Call: (205) [system] ($)='('
   Fail: (205) [system] ($)='('
   Call: (205) [system] ($)='['
   Fail: (205) [system] ($)='['
   Call: (205) [system] ($)='{'
   Fail: (205) [system] ($)='{'
   Call: (205) [system] ($)='"'
   Fail: (205) [system] ($)='"'
   Call: (205) [system] ($)=!
   Fail: (205) [system] ($)=!
   Call: (205) [system] ($)='\''
   Fail: (205) [system] ($)='\''
   Call: (205) [system] ($)='`'
   Fail: (205) [system] ($)='`'
   Call: (205) [system] ($)=end_of_file
   Fail: (205) [system] ($)=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x563acd73bee0), $, _1235570)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1271080)
   Call: (207) [system] peek_char((0x563acd73bee0), _1272014)
   Exit: (207) [system] peek_char((0x563acd73bee0), p)
^  Call: (207) [user] is_delimiter(p)
   Call: (208) [system] char_type(p, space)
   Fail: (208) [system] char_type(p, space)
   Call: (208) [system] arg(_1276734, v('(', ')', end_of_file), p)
   Fail: (208) [system] arg(_1277666, v('(', ')', end_of_file), p)
^  Fail: (207) [user] is_delimiter(p)
   Call: (207) [system] ')'==p
   Fail: (207) [system] ')'==p
   Call: (207) [system] get_char((0x563acd73bee0), p)
   Exit: (207) [system] get_char((0x563acd73bee0), p)
   Call: (207) [system] p=(\)
   Fail: (207) [system] p=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1285016)
   Call: (208) [system] peek_char((0x563acd73bee0), _1285950)
   Exit: (208) [system] peek_char((0x563acd73bee0), r)
^  Call: (208) [user] is_delimiter(r)
   Call: (209) [system] char_type(r, space)
   Fail: (209) [system] char_type(r, space)
   Call: (209) [system] arg(_1290670, v('(', ')', end_of_file), r)
   Fail: (209) [system] arg(_1291602, v('(', ')', end_of_file), r)
^  Fail: (208) [user] is_delimiter(r)
   Call: (208) [system] ')'==r
   Fail: (208) [system] ')'==r
   Call: (208) [system] get_char((0x563acd73bee0), r)
   Exit: (208) [system] get_char((0x563acd73bee0), r)
   Call: (208) [system] r=(\)
   Fail: (208) [system] r=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1298952)
   Call: (209) [system] peek_char((0x563acd73bee0), _1299886)
   Exit: (209) [system] peek_char((0x563acd73bee0), e)
^  Call: (209) [user] is_delimiter(e)
   Call: (210) [system] char_type(e, space)
   Fail: (210) [system] char_type(e, space)
   Call: (210) [system] arg(_1304606, v('(', ')', end_of_file), e)
   Fail: (210) [system] arg(_1305538, v('(', ')', end_of_file), e)
^  Fail: (209) [user] is_delimiter(e)
   Call: (209) [system] ')'==e
   Fail: (209) [system] ')'==e
   Call: (209) [system] get_char((0x563acd73bee0), e)
   Exit: (209) [system] get_char((0x563acd73bee0), e)
   Call: (209) [system] e=(\)
   Fail: (209) [system] e=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1312888)
   Call: (210) [system] peek_char((0x563acd73bee0), _1313822)
   Exit: (210) [system] peek_char((0x563acd73bee0), m)
^  Call: (210) [user] is_delimiter(m)
   Call: (211) [system] char_type(m, space)
   Fail: (211) [system] char_type(m, space)
   Call: (211) [system] arg(_1318542, v('(', ')', end_of_file), m)
   Fail: (211) [system] arg(_1319474, v('(', ')', end_of_file), m)
^  Fail: (210) [user] is_delimiter(m)
   Call: (210) [system] ')'==m
   Fail: (210) [system] ')'==m
   Call: (210) [system] get_char((0x563acd73bee0), m)
   Exit: (210) [system] get_char((0x563acd73bee0), m)
   Call: (210) [system] m=(\)
   Fail: (210) [system] m=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1326824)
   Call: (211) [system] peek_char((0x563acd73bee0), _1327758)
   Exit: (211) [system] peek_char((0x563acd73bee0), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Fail: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_1332478, v('(', ')', end_of_file), i)
   Fail: (212) [system] arg(_1333410, v('(', ')', end_of_file), i)
^  Fail: (211) [user] is_delimiter(i)
   Call: (211) [system] ')'==i
   Fail: (211) [system] ')'==i
   Call: (211) [system] get_char((0x563acd73bee0), i)
   Exit: (211) [system] get_char((0x563acd73bee0), i)
   Call: (211) [system] i=(\)
   Fail: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1340760)
   Call: (212) [system] peek_char((0x563acd73bee0), _1341694)
   Exit: (212) [system] peek_char((0x563acd73bee0), s)
^  Call: (212) [user] is_delimiter(s)
   Call: (213) [system] char_type(s, space)
   Fail: (213) [system] char_type(s, space)
   Call: (213) [system] arg(_1346414, v('(', ')', end_of_file), s)
   Fail: (213) [system] arg(_1347346, v('(', ')', end_of_file), s)
^  Fail: (212) [user] is_delimiter(s)
   Call: (212) [system] ')'==s
   Fail: (212) [system] ')'==s
   Call: (212) [system] get_char((0x563acd73bee0), s)
   Exit: (212) [system] get_char((0x563acd73bee0), s)
   Call: (212) [system] s=(\)
   Fail: (212) [system] s=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _1354696)
   Call: (213) [system] peek_char((0x563acd73bee0), _1355630)
   Exit: (213) [system] peek_char((0x563acd73bee0), e)
^  Call: (213) [user] is_delimiter(e)
   Call: (214) [system] char_type(e, space)
   Fail: (214) [system] char_type(e, space)
   Call: (214) [system] arg(_1360350, v('(', ')', end_of_file), e)
   Fail: (214) [system] arg(_1361282, v('(', ')', end_of_file), e)
^  Fail: (213) [user] is_delimiter(e)
   Call: (213) [system] ')'==e
   Fail: (213) [system] ')'==e
   Call: (213) [system] get_char((0x563acd73bee0), e)
   Exit: (213) [system] get_char((0x563acd73bee0), e)
   Call: (213) [system] e=(\)
   Fail: (213) [system] e=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _1368632)
   Call: (214) [system] peek_char((0x563acd73bee0), _1369566)
   Exit: (214) [system] peek_char((0x563acd73bee0), '4')
^  Call: (214) [user] is_delimiter('4')
   Call: (215) [system] char_type('4', space)
   Fail: (215) [system] char_type('4', space)
   Call: (215) [system] arg(_1374286, v('(', ')', end_of_file), '4')
   Fail: (215) [system] arg(_1375218, v('(', ')', end_of_file), '4')
^  Fail: (214) [user] is_delimiter('4')
   Call: (214) [system] ')'=='4'
   Fail: (214) [system] ')'=='4'
   Call: (214) [system] get_char((0x563acd73bee0), '4')
   Exit: (214) [system] get_char((0x563acd73bee0), '4')
   Call: (214) [system] '4'=(\)
   Fail: (214) [system] '4'=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _1382568)
   Call: (215) [system] peek_char((0x563acd73bee0), _1383502)
   Exit: (215) [system] peek_char((0x563acd73bee0), ')')
^  Call: (215) [user] is_delimiter(')')
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] arg(_1388222, v('(', ')', end_of_file), ')')
   Exit: (216) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (215) [user] is_delimiter(')')
   Call: (215) [system] _1382568=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (214) [system] _1368632=['4']
   Exit: (214) [system] ['4']=['4']
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), ['4'])
   Call: (213) [system] _1354696=[e, '4']
   Exit: (213) [system] [e, '4']=[e, '4']
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, '4'])
   Call: (212) [system] _1340760=[s, e, '4']
   Exit: (212) [system] [s, e, '4']=[s, e, '4']
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, e, '4'])
   Call: (211) [system] _1326824=[i, s, e, '4']
   Exit: (211) [system] [i, s, e, '4']=[i, s, e, '4']
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, e, '4'])
   Call: (210) [system] _1312888=[m, i, s, e, '4']
   Exit: (210) [system] [m, i, s, e, '4']=[m, i, s, e, '4']
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, i, s, e, '4'])
   Call: (209) [system] _1298952=[e, m, i, s, e, '4']
   Exit: (209) [system] [e, m, i, s, e, '4']=[e, m, i, s, e, '4']
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, m, i, s, e, '4'])
   Call: (208) [system] _1285016=[r, e, m, i, s, e, '4']
   Exit: (208) [system] [r, e, m, i, s, e, '4']=[r, e, m, i, s, e, '4']
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, e, m, i, s, e, '4'])
   Call: (207) [system] _1271080=[p, r, e, m, i, s, e, '4']
   Exit: (207) [system] [p, r, e, m, i, s, e, '4']=[p, r, e, m, i, s, e, '4']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, e, m, i, s, e, '4'])
^  Call: (206) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '4'], _1235570)
^  Call: (207) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '4'], _1417010)
   Call: (208) [system] atom_chars(_1417942, ['_', p, r, e, m, i, s, e, '4'])
   Exit: (208) [system] atom_chars('_premise4', ['_', p, r, e, m, i, s, e, '4'])
^  Exit: (207) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '4'], _premise4)
   Call: (207) [system] integer(_premise4)
   Fail: (207) [system] integer(_premise4)
   Call: (207) [system] _1235570=_premise4
   Exit: (207) [system] _premise4=_premise4
^  Exit: (206) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '4'], _premise4)
^  Exit: (205) [user] read_symbolic(')', (0x563acd73bee0), $, _premise4)
^  Exit: (204) [user] cont_sexpr(')', (0x563acd73bee0), _premise4)
^  Call: (204) [user] read_list(')', (0x563acd73bee0), _1427234)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1429092)
   Exit: (206) [system] peek_char((0x563acd73bee0), ')')
   Call: (206) [system] ')'=(;)
   Fail: (206) [system] ')'=(;)
   Call: (206) [system] ')'=(/)
   Fail: (206) [system] ')'=(/)
^  Call: (206) [user] is_like_space(')')
   Call: (207) [system] char_type(')', 'white')
   Fail: (207) [system] char_type(')', 'white')
   Call: (207) [system] char_type(')', end_of_line)
   Fail: (207) [system] char_type(')', end_of_line)
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] char_type(')', cntrl)
   Fail: (207) [system] char_type(')', cntrl)
^  Fail: (206) [user] is_like_space(')')
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1445102)
   Exit: (205) [system] peek_char((0x563acd73bee0), ')')
   Call: (205) [system] ')'=')'
   Exit: (205) [system] ')'=')'
   Call: (205) [system] get_char((0x563acd73bee0), _1448892)
   Exit: (205) [system] get_char((0x563acd73bee0), ')')
   Call: (205) [system] _1427234=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_list(')', (0x563acd73bee0), [])
   Call: (204) [system] _1198910=[_premise4]
   Exit: (204) [system] [_premise4]=[_premise4]
^  Exit: (203) [user] read_list(')', (0x563acd73bee0), [_premise4])
   Call: (203) [system] _1005918=[_proof4, _premise4]
   Exit: (203) [system] [_proof4, _premise4]=[_proof4, _premise4]
^  Exit: (202) [user] read_list(')', (0x563acd73bee0), [_proof4, _premise4])
   Call: (202) [system] _902092=[:, _proof4, _premise4]
   Exit: (202) [system] [:, _proof4, _premise4]=[:, _proof4, _premise4]
^  Exit: (201) [user] read_list(')', (0x563acd73bee0), [:, _proof4, _premise4])
^  Exit: (200) [user] cont_sexpr(')', (0x563acd73bee0), [:, _proof4, _premise4])
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _1462774)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1464632)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x563acd73bee0), _1474226)
   Exit: (202) [system] get_char((0x563acd73bee0), ' ')
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1476930)
   Exit: (203) [system] peek_char((0x563acd73bee0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1493864)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x563acd73bee0), _1499434)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1501292)
   Exit: (203) [system] peek_char((0x563acd73bee0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] get_char((0x563acd73bee0), _1517302)
   Exit: (202) [system] get_char((0x563acd73bee0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x563acd73bee0), $, _1499434)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1534944)
   Call: (204) [system] peek_char((0x563acd73bee0), _1535878)
   Exit: (204) [system] peek_char((0x563acd73bee0), k)
^  Call: (204) [user] is_delimiter(k)
   Call: (205) [system] char_type(k, space)
   Fail: (205) [system] char_type(k, space)
   Call: (205) [system] arg(_1540598, v('(', ')', end_of_file), k)
   Fail: (205) [system] arg(_1541530, v('(', ')', end_of_file), k)
^  Fail: (204) [user] is_delimiter(k)
   Call: (204) [system] ')'==k
   Fail: (204) [system] ')'==k
   Call: (204) [system] get_char((0x563acd73bee0), k)
   Exit: (204) [system] get_char((0x563acd73bee0), k)
   Call: (204) [system] k=(\)
   Fail: (204) [system] k=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1548880)
   Call: (205) [system] peek_char((0x563acd73bee0), _1549814)
   Exit: (205) [system] peek_char((0x563acd73bee0), b)
^  Call: (205) [user] is_delimiter(b)
   Call: (206) [system] char_type(b, space)
   Fail: (206) [system] char_type(b, space)
   Call: (206) [system] arg(_1554534, v('(', ')', end_of_file), b)
   Fail: (206) [system] arg(_1555466, v('(', ')', end_of_file), b)
^  Fail: (205) [user] is_delimiter(b)
   Call: (205) [system] ')'==b
   Fail: (205) [system] ')'==b
   Call: (205) [system] get_char((0x563acd73bee0), b)
   Exit: (205) [system] get_char((0x563acd73bee0), b)
   Call: (205) [system] b=(\)
   Fail: (205) [system] b=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1562816)
   Call: (206) [system] peek_char((0x563acd73bee0), _1563750)
   Exit: (206) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _1562816=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (205) [system] _1548880=[b]
   Exit: (205) [system] [b]=[b]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
   Call: (204) [system] _1534944=[k, b]
   Exit: (204) [system] [k, b]=[k, b]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [k, b])
^  Call: (203) [user] classify_and_convert_charseq([$, k, b], _1499434)
^  Call: (204) [user] classify_and_convert_charseq_([$, k, b], _1578622)
   Call: (205) [system] atom_chars(_1579554, ['_', k, b])
   Exit: (205) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (204) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (204) [system] integer(_kb)
   Fail: (204) [system] integer(_kb)
   Call: (204) [system] _1499434=_kb
   Exit: (204) [system] _kb=_kb
^  Exit: (203) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (202) [user] read_symbolic(')', (0x563acd73bee0), $, _kb)
^  Exit: (201) [user] cont_sexpr(')', (0x563acd73bee0), _kb)
^  Call: (201) [user] read_list(')', (0x563acd73bee0), _1588846)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1590704)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x563acd73bee0), _1600298)
   Exit: (203) [system] get_char((0x563acd73bee0), ' ')
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1603002)
   Exit: (204) [system] peek_char((0x563acd73bee0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1619936)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=')'
   Fail: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x563acd73bee0), _1625506)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1627364)
   Exit: (204) [system] peek_char((0x563acd73bee0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] get_char((0x563acd73bee0), _1643374)
   Exit: (203) [system] get_char((0x563acd73bee0), $)
   Call: (203) [system] ($)='('
   Fail: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Fail: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Fail: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Fail: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Fail: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Fail: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Fail: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x563acd73bee0), $, _1625506)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1661016)
   Call: (205) [system] peek_char((0x563acd73bee0), _1661950)
   Exit: (205) [system] peek_char((0x563acd73bee0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_1666670, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_1667602, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x563acd73bee0), r)
   Exit: (205) [system] get_char((0x563acd73bee0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1674952)
   Call: (206) [system] peek_char((0x563acd73bee0), _1675886)
   Exit: (206) [system] peek_char((0x563acd73bee0), b)
^  Call: (206) [user] is_delimiter(b)
   Call: (207) [system] char_type(b, space)
   Fail: (207) [system] char_type(b, space)
   Call: (207) [system] arg(_1680606, v('(', ')', end_of_file), b)
   Fail: (207) [system] arg(_1681538, v('(', ')', end_of_file), b)
^  Fail: (206) [user] is_delimiter(b)
   Call: (206) [system] ')'==b
   Fail: (206) [system] ')'==b
   Call: (206) [system] get_char((0x563acd73bee0), b)
   Exit: (206) [system] get_char((0x563acd73bee0), b)
   Call: (206) [system] b=(\)
   Fail: (206) [system] b=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1688888)
   Call: (207) [system] peek_char((0x563acd73bee0), _1689822)
   Exit: (207) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _1688888=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (206) [system] _1674952=[b]
   Exit: (206) [system] [b]=[b]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
   Call: (205) [system] _1661016=[r, b]
   Exit: (205) [system] [r, b]=[r, b]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, b])
^  Call: (204) [user] classify_and_convert_charseq([$, r, b], _1625506)
^  Call: (205) [user] classify_and_convert_charseq_([$, r, b], _1704694)
   Call: (206) [system] atom_chars(_1705626, ['_', r, b])
   Exit: (206) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (205) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (205) [system] integer(_rb)
   Fail: (205) [system] integer(_rb)
   Call: (205) [system] _1625506=_rb
   Exit: (205) [system] _rb=_rb
^  Exit: (204) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (203) [user] read_symbolic(')', (0x563acd73bee0), $, _rb)
^  Exit: (202) [user] cont_sexpr(')', (0x563acd73bee0), _rb)
^  Call: (202) [user] read_list(')', (0x563acd73bee0), _1714918)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1716776)
   Exit: (204) [system] peek_char((0x563acd73bee0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x563acd73bee0), _1726370)
   Exit: (204) [system] get_char((0x563acd73bee0), ' ')
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1729074)
   Exit: (205) [system] peek_char((0x563acd73bee0), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
   Call: (205) [system] ($)=(/)
   Fail: (205) [system] ($)=(/)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1746008)
   Exit: (203) [system] peek_char((0x563acd73bee0), $)
   Call: (203) [system] ($)=')'
   Fail: (203) [system] ($)=')'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x563acd73bee0), _1751578)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1753436)
   Exit: (205) [system] peek_char((0x563acd73bee0), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
   Call: (205) [system] ($)=(/)
   Fail: (205) [system] ($)=(/)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] get_char((0x563acd73bee0), _1769446)
   Exit: (204) [system] get_char((0x563acd73bee0), $)
   Call: (204) [system] ($)='('
   Fail: (204) [system] ($)='('
   Call: (204) [system] ($)='['
   Fail: (204) [system] ($)='['
   Call: (204) [system] ($)='{'
   Fail: (204) [system] ($)='{'
   Call: (204) [system] ($)='"'
   Fail: (204) [system] ($)='"'
   Call: (204) [system] ($)=!
   Fail: (204) [system] ($)=!
   Call: (204) [system] ($)='\''
   Fail: (204) [system] ($)='\''
   Call: (204) [system] ($)='`'
   Fail: (204) [system] ($)='`'
   Call: (204) [system] ($)=end_of_file
   Fail: (204) [system] ($)=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x563acd73bee0), $, _1751578)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1787088)
   Call: (206) [system] peek_char((0x563acd73bee0), _1788022)
   Exit: (206) [system] peek_char((0x563acd73bee0), k)
^  Call: (206) [user] is_delimiter(k)
   Call: (207) [system] char_type(k, space)
   Fail: (207) [system] char_type(k, space)
   Call: (207) [system] arg(_1792742, v('(', ')', end_of_file), k)
   Fail: (207) [system] arg(_1793674, v('(', ')', end_of_file), k)
^  Fail: (206) [user] is_delimiter(k)
   Call: (206) [system] ')'==k
   Fail: (206) [system] ')'==k
   Call: (206) [system] get_char((0x563acd73bee0), k)
   Exit: (206) [system] get_char((0x563acd73bee0), k)
   Call: (206) [system] k=(\)
   Fail: (206) [system] k=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1801024)
   Call: (207) [system] peek_char((0x563acd73bee0), _1801958)
   Exit: (207) [system] peek_char((0x563acd73bee0), ')')
^  Call: (207) [user] is_delimiter(')')
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] arg(_1806678, v('(', ')', end_of_file), ')')
   Exit: (208) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (207) [user] is_delimiter(')')
   Call: (207) [system] _1801024=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (206) [system] _1787088=[k]
   Exit: (206) [system] [k]=[k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
^  Call: (205) [user] classify_and_convert_charseq([$, k], _1751578)
^  Call: (206) [user] classify_and_convert_charseq_([$, k], _1815908)
   Call: (207) [system] atom_chars(_1816840, ['_', k])
   Exit: (207) [system] atom_chars('_k', ['_', k])
^  Exit: (206) [user] classify_and_convert_charseq_([$, k], _k)
   Call: (206) [system] integer(_k)
   Fail: (206) [system] integer(_k)
   Call: (206) [system] _1751578=_k
   Exit: (206) [system] _k=_k
^  Exit: (205) [user] classify_and_convert_charseq([$, k], _k)
^  Exit: (204) [user] read_symbolic(')', (0x563acd73bee0), $, _k)
^  Exit: (203) [user] cont_sexpr(')', (0x563acd73bee0), _k)
^  Call: (203) [user] read_list(')', (0x563acd73bee0), _1826132)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1827990)
   Exit: (205) [system] peek_char((0x563acd73bee0), ')')
   Call: (205) [system] ')'=(;)
   Fail: (205) [system] ')'=(;)
   Call: (205) [system] ')'=(/)
   Fail: (205) [system] ')'=(/)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Fail: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Fail: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
   Fail: (206) [system] char_type(')', cntrl)
^  Fail: (205) [user] is_like_space(')')
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1844000)
   Exit: (204) [system] peek_char((0x563acd73bee0), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x563acd73bee0), _1847790)
   Exit: (204) [system] get_char((0x563acd73bee0), ')')
   Call: (204) [system] _1826132=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x563acd73bee0), [])
   Call: (203) [system] _1714918=[_k]
   Exit: (203) [system] [_k]=[_k]
^  Exit: (202) [user] read_list(')', (0x563acd73bee0), [_k])
   Call: (202) [system] _1588846=[_rb, _k]
   Exit: (202) [system] [_rb, _k]=[_rb, _k]
^  Exit: (201) [user] read_list(')', (0x563acd73bee0), [_rb, _k])
   Call: (201) [system] _1462774=[_kb, _rb, _k]
   Exit: (201) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), [_kb, _rb, _k])
   Call: (200) [system] _865432=[[:, _proof4, _premise4], _kb, _rb, _k]
   Exit: (200) [system] [[:, _proof4, _premise4], _kb, _rb, _k]=[[:, _proof4, _premise4], _kb, _rb, _k]
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), [[:, _proof4, _premise4], _kb, _rb, _k])
   Call: (199) [system] _611036=[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]
   Exit: (199) [system] [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]=[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]
^  Exit: (198) [user] read_list(')', (0x563acd73bee0), [synthesize, [:, _proof4, _premise4], _kb, _rb, _k])
^  Exit: (197) [user] cont_sexpr(')', (0x563acd73bee0), [synthesize, [:, _proof4, _premise4], _kb, _rb, _k])
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _1867260)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1869118)
   Exit: (199) [system] peek_char((0x563acd73bee0), ')')
   Call: (199) [system] ')'=(;)
   Fail: (199) [system] ')'=(;)
   Call: (199) [system] ')'=(/)
   Fail: (199) [system] ')'=(/)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Fail: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Fail: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
   Fail: (200) [system] char_type(')', cntrl)
^  Fail: (199) [user] is_like_space(')')
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1885128)
   Exit: (198) [system] peek_char((0x563acd73bee0), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x563acd73bee0), _1888918)
   Exit: (198) [system] get_char((0x563acd73bee0), ')')
   Call: (198) [system] _1867260=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x563acd73bee0), [])
   Call: (197) [system] _574376=[[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]
   Exit: (197) [system] [[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]=[[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]
^  Exit: (196) [user] read_list(')', (0x563acd73bee0), [[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]])
   Call: (196) [system] _3984=[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]
   Exit: (196) [system] [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]=[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]])
^  Exit: (194) [user] cont_sexpr(')', (0x563acd73bee0), [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]])
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _1900006)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1901864)
   Exit: (196) [system] peek_char((0x563acd73bee0), ')')
   Call: (196) [system] ')'=(;)
   Fail: (196) [system] ')'=(;)
   Call: (196) [system] ')'=(/)
   Fail: (196) [system] ')'=(/)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Fail: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Fail: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
   Fail: (197) [system] char_type(')', cntrl)
^  Fail: (196) [user] is_like_space(')')
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1917874)
   Exit: (195) [system] peek_char((0x563acd73bee0), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x563acd73bee0), _1921664)
   Exit: (195) [system] get_char((0x563acd73bee0), ')')
   Call: (195) [system] _1900006=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), [])
   Call: (194) [system] _3980=[[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]
   Exit: (194) [system] [[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]=[[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), [[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]])
   Call: (193) [system] _3868=[[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]
   Exit: (193) [system] [[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]=[[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), [[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]])
   Call: (192) [system] _3756=[[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]
   Exit: (192) [system] [[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]=[[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]
^  Exit: (191) [user] read_list(')', (0x563acd73bee0), [[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]])
   Call: (191) [system] _3644=[[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]
   Exit: (191) [system] [[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]=[[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]
^  Exit: (190) [user] read_list(')', (0x563acd73bee0), [[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]])
   Call: (190) [system] _3550=[[[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]
   Exit: (190) [system] [[[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]=[[[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]
^  Exit: (189) [user] read_list(')', (0x563acd73bee0), [[[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]])
   Call: (189) [system] _3442=[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]
   Exit: (189) [system] [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]=[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]
^  Exit: (188) [user] read_list(')', (0x563acd73bee0), [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]])
^  Exit: (187) [user] cont_sexpr(')', (0x563acd73bee0), [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]])
^  Call: (187) [user] read_list(')', (0x563acd73bee0), _1943928)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1945786)
   Exit: (189) [system] peek_char((0x563acd73bee0), '\n')
   Call: (189) [system] '\n'=(;)
   Fail: (189) [system] '\n'=(;)
   Call: (189) [system] '\n'=(/)
   Fail: (189) [system] '\n'=(/)
^  Call: (189) [user] is_like_space('\n')
   Call: (190) [system] char_type('\n', 'white')
   Fail: (190) [system] char_type('\n', 'white')
   Call: (190) [system] char_type('\n', end_of_line)
   Exit: (190) [system] char_type('\n', end_of_line)
^  Exit: (189) [user] is_like_space('\n')
   Call: (189) [system] get_char((0x563acd73bee0), _1957236)
   Exit: (189) [system] get_char((0x563acd73bee0), '\n')
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1959940)
   Exit: (190) [system] peek_char((0x563acd73bee0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x563acd73bee0), _1969534)
   Exit: (190) [system] get_char((0x563acd73bee0), ' ')
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _1972238)
   Exit: (191) [system] peek_char((0x563acd73bee0), ' ')
   Call: (191) [system] ' '=(;)
   Fail: (191) [system] ' '=(;)
   Call: (191) [system] ' '=(/)
   Fail: (191) [system] ' '=(/)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x563acd73bee0), _1981832)
   Exit: (191) [system] get_char((0x563acd73bee0), ' ')
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1984536)
   Exit: (192) [system] peek_char((0x563acd73bee0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x563acd73bee0), _1994130)
   Exit: (192) [system] get_char((0x563acd73bee0), ' ')
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1996834)
   Exit: (193) [system] peek_char((0x563acd73bee0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x563acd73bee0), _2006428)
   Exit: (193) [system] get_char((0x563acd73bee0), ' ')
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _2009132)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x563acd73bee0), _2018726)
   Exit: (194) [system] get_char((0x563acd73bee0), ' ')
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _2021430)
   Exit: (195) [system] peek_char((0x563acd73bee0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _2042984)
   Exit: (188) [system] peek_char((0x563acd73bee0), $)
   Call: (188) [system] ($)=')'
   Fail: (188) [system] ($)=')'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x563acd73bee0), _2048554)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _2050412)
   Exit: (190) [system] peek_char((0x563acd73bee0), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
   Call: (190) [system] ($)=(/)
   Fail: (190) [system] ($)=(/)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] get_char((0x563acd73bee0), _2066422)
   Exit: (189) [system] get_char((0x563acd73bee0), $)
   Call: (189) [system] ($)='('
   Fail: (189) [system] ($)='('
   Call: (189) [system] ($)='['
   Fail: (189) [system] ($)='['
   Call: (189) [system] ($)='{'
   Fail: (189) [system] ($)='{'
   Call: (189) [system] ($)='"'
   Fail: (189) [system] ($)='"'
   Call: (189) [system] ($)=!
   Fail: (189) [system] ($)=!
   Call: (189) [system] ($)='\''
   Fail: (189) [system] ($)='\''
   Call: (189) [system] ($)='`'
   Fail: (189) [system] ($)='`'
   Call: (189) [system] ($)=end_of_file
   Fail: (189) [system] ($)=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x563acd73bee0), $, _2048554)
^  Call: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), _2084064)
   Call: (191) [system] peek_char((0x563acd73bee0), _2084998)
   Exit: (191) [system] peek_char((0x563acd73bee0), q)
^  Call: (191) [user] is_delimiter(q)
   Call: (192) [system] char_type(q, space)
   Fail: (192) [system] char_type(q, space)
   Call: (192) [system] arg(_2089718, v('(', ')', end_of_file), q)
   Fail: (192) [system] arg(_2090650, v('(', ')', end_of_file), q)
^  Fail: (191) [user] is_delimiter(q)
   Call: (191) [system] ')'==q
   Fail: (191) [system] ')'==q
   Call: (191) [system] get_char((0x563acd73bee0), q)
   Exit: (191) [system] get_char((0x563acd73bee0), q)
   Call: (191) [system] q=(\)
   Fail: (191) [system] q=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), _5384)
   Call: (192) [system] peek_char((0x563acd73bee0), _6318)
   Exit: (192) [system] peek_char((0x563acd73bee0), u)
^  Call: (192) [user] is_delimiter(u)
   Call: (193) [system] char_type(u, space)
   Fail: (193) [system] char_type(u, space)
   Call: (193) [system] arg(_11038, v('(', ')', end_of_file), u)
   Fail: (193) [system] arg(_11970, v('(', ')', end_of_file), u)
^  Fail: (192) [user] is_delimiter(u)
   Call: (192) [system] ')'==u
   Fail: (192) [system] ')'==u
   Call: (192) [system] get_char((0x563acd73bee0), u)
   Exit: (192) [system] get_char((0x563acd73bee0), u)
   Call: (192) [system] u=(\)
   Fail: (192) [system] u=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), _19320)
   Call: (193) [system] peek_char((0x563acd73bee0), _20254)
   Exit: (193) [system] peek_char((0x563acd73bee0), e)
^  Call: (193) [user] is_delimiter(e)
   Call: (194) [system] char_type(e, space)
   Fail: (194) [system] char_type(e, space)
   Call: (194) [system] arg(_24974, v('(', ')', end_of_file), e)
   Fail: (194) [system] arg(_25906, v('(', ')', end_of_file), e)
^  Fail: (193) [user] is_delimiter(e)
   Call: (193) [system] ')'==e
   Fail: (193) [system] ')'==e
   Call: (193) [system] get_char((0x563acd73bee0), e)
   Exit: (193) [system] get_char((0x563acd73bee0), e)
   Call: (193) [system] e=(\)
   Fail: (193) [system] e=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _33256)
   Call: (194) [system] peek_char((0x563acd73bee0), _34190)
   Exit: (194) [system] peek_char((0x563acd73bee0), r)
^  Call: (194) [user] is_delimiter(r)
   Call: (195) [system] char_type(r, space)
   Fail: (195) [system] char_type(r, space)
   Call: (195) [system] arg(_38910, v('(', ')', end_of_file), r)
   Fail: (195) [system] arg(_39842, v('(', ')', end_of_file), r)
^  Fail: (194) [user] is_delimiter(r)
   Call: (194) [system] ')'==r
   Fail: (194) [system] ')'==r
   Call: (194) [system] get_char((0x563acd73bee0), r)
   Exit: (194) [system] get_char((0x563acd73bee0), r)
   Call: (194) [system] r=(\)
   Fail: (194) [system] r=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _47192)
   Call: (195) [system] peek_char((0x563acd73bee0), _48126)
   Exit: (195) [system] peek_char((0x563acd73bee0), y)
^  Call: (195) [user] is_delimiter(y)
   Call: (196) [system] char_type(y, space)
   Fail: (196) [system] char_type(y, space)
   Call: (196) [system] arg(_52846, v('(', ')', end_of_file), y)
   Fail: (196) [system] arg(_53778, v('(', ')', end_of_file), y)
^  Fail: (195) [user] is_delimiter(y)
   Call: (195) [system] ')'==y
   Fail: (195) [system] ')'==y
   Call: (195) [system] get_char((0x563acd73bee0), y)
   Exit: (195) [system] get_char((0x563acd73bee0), y)
   Call: (195) [system] y=(\)
   Fail: (195) [system] y=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _61128)
   Call: (196) [system] peek_char((0x563acd73bee0), _62062)
   Exit: (196) [system] peek_char((0x563acd73bee0), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_66782, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _61128=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (195) [system] _47192=[y]
   Exit: (195) [system] [y]=[y]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [y])
   Call: (194) [system] _33256=[r, y]
   Exit: (194) [system] [r, y]=[r, y]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, y])
   Call: (193) [system] _19320=[e, r, y]
   Exit: (193) [system] [e, r, y]=[e, r, y]
^  Exit: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, r, y])
   Call: (192) [system] _5384=[u, e, r, y]
   Exit: (192) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, e, r, y])
   Call: (191) [system] _4100=[q, u, e, r, y]
   Exit: (191) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), [q, u, e, r, y])
^  Call: (190) [user] classify_and_convert_charseq([$, q, u, e, r, y], _4096)
^  Call: (191) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _87188)
   Call: (192) [system] atom_chars(_88120, ['_', q, u, e, r, y])
   Exit: (192) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (191) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _query)
   Call: (191) [system] integer(_query)
   Fail: (191) [system] integer(_query)
   Call: (191) [system] _4096=_query
   Exit: (191) [system] _query=_query
^  Exit: (190) [user] classify_and_convert_charseq([$, q, u, e, r, y], _query)
^  Exit: (189) [user] read_symbolic(')', (0x563acd73bee0), $, _query)
^  Exit: (188) [user] cont_sexpr(')', (0x563acd73bee0), _query)
^  Call: (188) [user] read_list(')', (0x563acd73bee0), _97412)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _99270)
   Exit: (190) [system] peek_char((0x563acd73bee0), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
   Call: (190) [system] ')'=(/)
   Fail: (190) [system] ')'=(/)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _115280)
   Exit: (189) [system] peek_char((0x563acd73bee0), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x563acd73bee0), _119070)
   Exit: (189) [system] get_char((0x563acd73bee0), ')')
   Call: (189) [system] _97412=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x563acd73bee0), [])
   Call: (188) [system] _4092=[_query]
   Exit: (188) [system] [_query]=[_query]
^  Exit: (187) [user] read_list(')', (0x563acd73bee0), [_query])
   Call: (187) [system] _3438=[[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]
   Exit: (187) [system] [[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]=[[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]
^  Exit: (186) [user] read_list(')', (0x563acd73bee0), [[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query])
   Call: (186) [system] _3430=['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]
   Exit: (186) [system] ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]=['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]
^  Exit: (185) [user] read_list(')', (0x563acd73bee0), ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query])
^  Exit: (184) [user] cont_sexpr(')', (0x563acd73bee0), ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query])
^  Call: (184) [user] read_list(')', (0x563acd73bee0), _132952)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _134810)
   Exit: (186) [system] peek_char((0x563acd73bee0), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
   Call: (186) [system] ')'=(/)
   Fail: (186) [system] ')'=(/)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _150820)
   Exit: (185) [system] peek_char((0x563acd73bee0), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x563acd73bee0), _154610)
   Exit: (185) [system] get_char((0x563acd73bee0), ')')
   Call: (185) [system] _132952=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x563acd73bee0), [])
   Call: (184) [system] _3426=[['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]
   Exit: (184) [system] [['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]=[['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]
^  Exit: (183) [user] read_list(')', (0x563acd73bee0), [['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
   Call: (183) [system] _3362=[[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]
   Exit: (183) [system] [[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]=[[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]
^  Exit: (182) [user] read_list(')', (0x563acd73bee0), [[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
   Call: (182) [system] _3322=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]
   Exit: (182) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]
^  Exit: (181) [user] read_list(')', (0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (180) [user] cont_sexpr(')', (0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (179) [user] read_sexpr((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Call: (179) [user] assertz(metta_file_comment(74, 0, 2755, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], '$stream_position'(2755, 74, 0, 2755)))
^  Exit: (179) [user] assertz(metta_file_comment(74, 0, 2755, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], '$stream_position'(2755, 74, 0, 2755)))
^  Exit: (177) [system] once(user:(read_position((0x563acd73bee0), 74, 0, 2755, '$stream_position'(2755, 74, 0, 2755)), read_sexpr((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]), assertz(metta_file_comment(74, 0, 2755, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], '$stream_position'(2755, 74, 0, 2755)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_173128, _173130, _173132, _173134, _173136))
^  Exit: (177) [user] retract(metta_file_comment(42, 0, 1314, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$stream_position'(1314, 42, 0, 1314)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _175976))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _175976)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _175976)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _178792))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _178792))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _178792)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _181592))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _181592)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _181592)
   Call: (187) [system] var('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
   Call: (187) [system] atom('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
   Call: (187) [system] '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)==true
   Call: (187) [system] '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)==false
   Call: (187) [system] '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)==[_188112, _188118]
   Call: (187) [system] is_list('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
   Call: (187) [system] string('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
   Call: (187) [system] compound('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
   Exit: (187) [system] compound('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _192746, _192748)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT', [";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0], _196488)
   Call: (188) [apply] apply:maplist_([";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0], _196488, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";;      where premises and conclusion have the form (: TERM TYPE).", _198368)
   Call: (190) [system] var(";;      where premises and conclusion have the form (: TERM TYPE).")
   Call: (190) [system] atom(";;      where premises and conclusion have the form (: TERM TYPE).")
   Call: (190) [system] ";;      where premises and conclusion have the form (: TERM TYPE)."==true
   Call: (190) [system] ";;      where premises and conclusion have the form (: TERM TYPE)."==false
   Call: (190) [system] ";;      where premises and conclusion have the form (: TERM TYPE)."==[_203010, _203016]
   Call: (190) [system] is_list(";;      where premises and conclusion have the form (: TERM TYPE).")
   Call: (190) [system] string(";;      where premises and conclusion have the form (: TERM TYPE).")
   Exit: (190) [system] string(";;      where premises and conclusion have the form (: TERM TYPE).")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";;      where premises and conclusion have the form (: TERM TYPE).")
^  Call: (190) [user] symbol(";;      where premises and conclusion have the form (: TERM TYPE).")
   Call: (191) [system] atom(";;      where premises and conclusion have the form (: TERM TYPE).")
   Fail: (191) [system] atom(";;      where premises and conclusion have the form (: TERM TYPE).")
^  Fail: (190) [user] symbol(";;      where premises and conclusion have the form (: TERM TYPE).")
   Call: (190) [system] ";;      where premises and conclusion have the form (: TERM TYPE)."=_198368
   Exit: (190) [system] ";;      where premises and conclusion have the form (: TERM TYPE)."=";;      where premises and conclusion have the form (: TERM TYPE)."
^  Exit: (189) [user] mfix_vars1(";;      where premises and conclusion have the form (: TERM TYPE).", ";;      where premises and conclusion have the form (: TERM TYPE).")
   Call: (189) [apply] apply:maplist_([42, 0], _198370, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(42, _216890)
   Call: (191) [system] var(42)
   Call: (191) [system] atom(42)
   Call: (191) [system] 42==true
   Call: (191) [system] 42==false
   Call: (191) [system] 42==[_221532, _221538]
   Call: (191) [system] is_list(42)
   Call: (191) [system] string(42)
   Call: (191) [system] compound(42)
^  Call: (191) [user] symbol(42)
   Call: (192) [system] atom(42)
   Fail: (192) [system] atom(42)
^  Fail: (191) [user] symbol(42)
   Call: (191) [system] 42=_216890
   Exit: (191) [system] 42=42
^  Exit: (190) [user] mfix_vars1(42, 42)
   Call: (190) [apply] apply:maplist_([0], _216892, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _232656)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_237298, _237304]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_232656
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _232658, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([42, 0], [42, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0], [";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0], [";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0])
   Call: (187) [system] compound_name_arguments(_181592, '$COMMENT', [";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT', [";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)))
   Call: (184) [system] '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)\=@='$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _261474))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _261474))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _261474)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _264274))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _264274)
^  Call: (186) [user] cons_to_c('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _264274)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)))
   Call: (184) [system] '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)\=@='$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _175976))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _175976))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _175976)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _278232))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _278232)
^  Call: (186) [user] cons_to_l('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _278232)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)))
   Call: (184) [system] '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)\=@='$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)))
   Call: (178) [system] '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)\=@='$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
^  Exit: (171) [user] read_sform((0x563acd73bee0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
^  Exit: (170) [system] once(user:read_sform((0x563acd73bee0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x563acd73bee0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)))
   Call: (169) [system] '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1727204591.9963977), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204591.9963977), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)), 73]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), ynthesize_long_1727204587_629323, 73)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1727204591.9963977), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204591.9963977), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)), 73]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1727204593.7317448)
   Call: (173) [system] arg(1, t(1727204591.9963977), _3148)
   Exit: (173) [system] arg(1, t(1727204591.9963977), 1727204591.9963977)
   Call: (173) [system] _3158 is 1727204593.7317448-1727204591.9963977
   Exit: (173) [system] 1.735347032546997 is 1727204593.7317448-1727204591.9963977
   Call: (173) [system] 1.735347032546997>4
   Fail: (173) [system] 1.735347032546997>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1727204591.9963977), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204591.9963977), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)), 73]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 8)
   Call: (175) [system] atom(8+1)
   Call: (175) [system] set_flag(translated_forms, 9)
   Exit: (175) [system] set_flag(translated_forms, 9)
   Exit: (174) [$syspreds] update_flag(translated_forms, 8, 8+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 8, 8+1))
   Exit: (171) [$syspreds] flag(translated_forms, 8, 8+1)
^  Call: (171) [user] write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), ynthesize_long_1727204587_629323, 73)
^  Call: (172) [user] format((0x563acd7397e0), "/* ~w */~n", [";;      where premises and conclusion have the form (: TERM TYPE)."])
^  Exit: (172) [user] format((0x563acd7397e0), "/* ~w */~n", [";;      where premises and conclusion have the form (: TERM TYPE)."])
^  Exit: (171) [user] write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), ynthesize_long_1727204587_629323, 73)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1727204591.9963977), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204591.9963977), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)), 73]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 8, 8+1), write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), ynthesize_long_1727204587_629323, 73)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x563acd73bee0))
   Fail: (169) [system] at_end_of_stream((0x563acd73bee0))
^  Call: (169) [user] must_det_ll(line_count((0x563acd73bee0), _3074))
^  Call: (170) [user] once(user:line_count((0x563acd73bee0), _3074))
   Call: (171) [system] line_count((0x563acd73bee0), _3074)
   Exit: (171) [system] line_count((0x563acd73bee0), 82)
^  Exit: (170) [system] once(user:line_count((0x563acd73bee0), 82))
^  Exit: (169) [user] must_det_ll(user:line_count((0x563acd73bee0), 82))
^  Call: (169) [user] must_det_ll(read_sform((0x563acd73bee0), _3084))
^  Call: (170) [user] once(user:read_sform((0x563acd73bee0), _3084))
^  Call: (171) [user] read_sform((0x563acd73bee0), _3084)
   Call: (172) [system] string((0x563acd73bee0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
   Call: (173) [system] string((0x563acd73bee0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), _3084)
   Call: (174) [system] at_end_of_stream((0x563acd73bee0))
   Call: (174) [system] peek_char((0x563acd73bee0), _353016)
   Exit: (174) [system] peek_char((0x563acd73bee0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x563acd73bee0), '\n')
   Exit: (174) [system] get_char((0x563acd73bee0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x563acd73bee0), _3084)
   Call: (175) [system] at_end_of_stream((0x563acd73bee0))
   Call: (175) [system] peek_char((0x563acd73bee0), _360438)
   Exit: (175) [system] peek_char((0x563acd73bee0), ;)
   Call: (175) [system] char_type(;, space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
   Call: (176) [system] string((0x563acd73bee0))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), _3084)
   Call: (177) [system] at_end_of_stream((0x563acd73bee0))
   Call: (177) [system] peek_char((0x563acd73bee0), _368776)
   Exit: (177) [system] peek_char((0x563acd73bee0), ;)
   Call: (177) [system] char_type(;, space)
   Call: (177) [system] _371562=(0x563acd73bee0)
   Exit: (177) [system] (0x563acd73bee0)=(0x563acd73bee0)
^  Call: (177) [user] once((read_position((0x563acd73bee0), _373430, _373432, _373434, _373436), read_sexpr((0x563acd73bee0), _373448), assertz(metta_file_comment(_373430, _373432, _373434, _373448, _373436))))
^  Call: (179) [user] read_position((0x563acd73bee0), _373430, _373432, _373434, _373436)
   Call: (180) [system] stream_property((0x563acd73bee0), position(_373436))
   Call: (181) [system] nonvar((0x563acd73bee0))
   Exit: (181) [system] nonvar((0x563acd73bee0))
   Call: (181) [system] nonvar(position(_373436))
   Exit: (181) [system] nonvar(position(_373436))
   Exit: (180) [system] stream_property((0x563acd73bee0), position('$stream_position'(3311, 83, 0, 3311)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(3311, 83, 0, 3311), _373430)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _383688)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(3311, 83, 0, 3311), _373430)
   Exit: (181) [system] arg(2, '$stream_position'(3311, 83, 0, 3311), 83)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(3311, 83, 0, 3311), 83)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(3311, 83, 0, 3311), _373432)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _391122)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(3311, 83, 0, 3311), _373432)
   Exit: (181) [system] arg(3, '$stream_position'(3311, 83, 0, 3311), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(3311, 83, 0, 3311), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(3311, 83, 0, 3311), _373434)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _398556)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(3311, 83, 0, 3311), _373434)
   Exit: (181) [system] arg(1, '$stream_position'(3311, 83, 0, 3311), 3311)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(3311, 83, 0, 3311), 3311)
^  Exit: (179) [user] read_position((0x563acd73bee0), 83, 0, 3311, '$stream_position'(3311, 83, 0, 3311))
^  Call: (179) [user] read_sexpr((0x563acd73bee0), _373448)
   Call: (180) [system] string((0x563acd73bee0))
   Fail: (180) [system] string((0x563acd73bee0))
^  Call: (180) [user] cont_sexpr(')', (0x563acd73bee0), _373448)
^  Call: (181) [user] skip_spaces((0x563acd73bee0))
   Call: (182) [system] peek_char((0x563acd73bee0), _408782)
   Exit: (182) [system] peek_char((0x563acd73bee0), ;)
   Call: (182) [system] (;)=(;)
   Exit: (182) [system] (;)=(;)
^  Call: (182) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (183) [user] read_position((0x563acd73bee0), _413420, _413422, _413424, _413426)
   Call: (184) [system] stream_property((0x563acd73bee0), position(_413426))
   Call: (185) [system] nonvar((0x563acd73bee0))
   Exit: (185) [system] nonvar((0x563acd73bee0))
   Call: (185) [system] nonvar(position(_413426))
   Exit: (185) [system] nonvar(position(_413426))
   Exit: (184) [system] stream_property((0x563acd73bee0), position('$stream_position'(3311, 83, 0, 3311)))
   Call: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(3311, 83, 0, 3311), _413420)
   Call: (185) [system] nonvar(line_count)
   Exit: (185) [system] nonvar(line_count)
   Call: (185) [$syspreds] stream_position_field(line_count, _422714)
   Exit: (185) [$syspreds] stream_position_field(line_count, 2)
   Call: (185) [system] arg(2, '$stream_position'(3311, 83, 0, 3311), _413420)
   Exit: (185) [system] arg(2, '$stream_position'(3311, 83, 0, 3311), 83)
   Exit: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(3311, 83, 0, 3311), 83)
   Call: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(3311, 83, 0, 3311), _413422)
   Call: (185) [system] nonvar(line_position)
   Exit: (185) [system] nonvar(line_position)
   Call: (185) [$syspreds] stream_position_field(line_position, _430148)
   Exit: (185) [$syspreds] stream_position_field(line_position, 3)
   Call: (185) [system] arg(3, '$stream_position'(3311, 83, 0, 3311), _413422)
   Exit: (185) [system] arg(3, '$stream_position'(3311, 83, 0, 3311), 0)
   Exit: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(3311, 83, 0, 3311), 0)
   Call: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(3311, 83, 0, 3311), _413424)
   Call: (185) [system] nonvar(char_count)
   Exit: (185) [system] nonvar(char_count)
   Call: (185) [$syspreds] stream_position_field(char_count, _437582)
   Exit: (185) [$syspreds] stream_position_field(char_count, 1)
   Call: (185) [system] arg(1, '$stream_position'(3311, 83, 0, 3311), _413424)
   Exit: (185) [system] arg(1, '$stream_position'(3311, 83, 0, 3311), 3311)
   Exit: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(3311, 83, 0, 3311), 3311)
^  Exit: (183) [user] read_position((0x563acd73bee0), 83, 0, 3311, '$stream_position'(3311, 83, 0, 3311))
   Call: (183) [read_util] read_util:read_line_to_string((0x563acd73bee0), _443176)
   Call: (184) [system] read_string((0x563acd73bee0), '\n', '\r', _444106, _444108)
   Exit: (184) [system] read_string((0x563acd73bee0), '\n', '\r', 10, ";; Quintenary rule")
   Call: (184) [system] 10\== -1
   Exit: (184) [system] 10\== -1
   Call: (184) [system] _443176=";; Quintenary rule"
   Exit: (184) [system] ";; Quintenary rule"=";; Quintenary rule"
   Exit: (183) [read_util] read_util:read_line_to_string((0x563acd73bee0), ";; Quintenary rule")
^  Call: (183) [user] assertz(metta_file_comment(83, 0, 3311, '$COMMENT'(";; Quintenary rule", 83, 0), '$stream_position'(3311, 83, 0, 3311)))
^  Exit: (183) [user] assertz(metta_file_comment(83, 0, 3311, '$COMMENT'(";; Quintenary rule", 83, 0), '$stream_position'(3311, 83, 0, 3311)))
^  Exit: (182) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (182) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] peek_char((0x563acd73bee0), _454368)
   Exit: (183) [system] peek_char((0x563acd73bee0), '(')
   Call: (183) [system] '('=(;)
   Fail: (183) [system] '('=(;)
   Call: (183) [system] '('=(/)
   Fail: (183) [system] '('=(/)
^  Call: (183) [user] is_like_space('(')
   Call: (184) [system] char_type('(', 'white')
   Fail: (184) [system] char_type('(', 'white')
   Call: (184) [system] char_type('(', end_of_line)
   Fail: (184) [system] char_type('(', end_of_line)
   Call: (184) [system] char_type('(', space)
   Fail: (184) [system] char_type('(', space)
   Call: (184) [system] char_type('(', cntrl)
   Fail: (184) [system] char_type('(', cntrl)
^  Fail: (183) [user] is_like_space('(')
^  Exit: (182) [user] skip_spaces((0x563acd73bee0))
^  Exit: (181) [user] skip_spaces((0x563acd73bee0))
   Call: (181) [system] get_char((0x563acd73bee0), _471302)
   Exit: (181) [system] get_char((0x563acd73bee0), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x563acd73bee0), _373448)
^  Call: (182) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] peek_char((0x563acd73bee0), _476872)
   Exit: (183) [system] peek_char((0x563acd73bee0), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
   Call: (183) [system] (=)=(/)
   Fail: (183) [system] (=)=(/)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x563acd73bee0))
   Call: (182) [system] peek_char((0x563acd73bee0), _492882)
   Exit: (182) [system] peek_char((0x563acd73bee0), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x563acd73bee0), _498452)
^  Call: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _500310)
   Exit: (184) [system] peek_char((0x563acd73bee0), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
   Call: (184) [system] (=)=(/)
   Fail: (184) [system] (=)=(/)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] get_char((0x563acd73bee0), _516320)
   Exit: (183) [system] get_char((0x563acd73bee0), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x563acd73bee0), =, _498452)
^  Call: (184) [user] read_symbolic_cont(')', (0x563acd73bee0), _533962)
   Call: (185) [system] peek_char((0x563acd73bee0), _534896)
   Exit: (185) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _533962=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (184) [user] classify_and_convert_charseq([=], _498452)
^  Call: (185) [user] classify_and_convert_charseq_([=], _544180)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_545132, _545134), once(user:catch(read_from_chars([=], _544180), _545114, fail)), '$restore_trace'(_545132, _545134))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_545132, _545134))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _545114, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(=)
   Exit: (186) [system] atomic(=)
^  Exit: (185) [user] classify_and_convert_charseq_([=], =)
   Call: (185) [system] integer(=)
   Fail: (185) [system] integer(=)
   Call: (185) [system] _498452=(=)
   Exit: (185) [system] (=)=(=)
^  Exit: (184) [user] classify_and_convert_charseq([=], =)
^  Exit: (183) [user] read_symbolic(')', (0x563acd73bee0), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x563acd73bee0), =)
^  Call: (182) [user] read_list(')', (0x563acd73bee0), _557260)
^  Call: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _559118)
   Exit: (184) [system] peek_char((0x563acd73bee0), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
   Call: (184) [system] ' '=(/)
   Fail: (184) [system] ' '=(/)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x563acd73bee0), _568712)
   Exit: (184) [system] get_char((0x563acd73bee0), ' ')
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _571416)
   Exit: (185) [system] peek_char((0x563acd73bee0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
^  Exit: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] peek_char((0x563acd73bee0), _588350)
   Exit: (183) [system] peek_char((0x563acd73bee0), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x563acd73bee0), _593920)
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _595778)
   Exit: (185) [system] peek_char((0x563acd73bee0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] get_char((0x563acd73bee0), _611788)
   Exit: (184) [system] get_char((0x563acd73bee0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x563acd73bee0), _593920)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _617358)
   Exit: (186) [system] peek_char((0x563acd73bee0), s)
   Call: (186) [system] s=(;)
   Fail: (186) [system] s=(;)
   Call: (186) [system] s=(/)
   Fail: (186) [system] s=(/)
^  Call: (186) [user] is_like_space(s)
   Call: (187) [system] char_type(s, 'white')
   Fail: (187) [system] char_type(s, 'white')
   Call: (187) [system] char_type(s, end_of_line)
   Fail: (187) [system] char_type(s, end_of_line)
   Call: (187) [system] char_type(s, space)
   Fail: (187) [system] char_type(s, space)
   Call: (187) [system] char_type(s, cntrl)
   Fail: (187) [system] char_type(s, cntrl)
^  Fail: (186) [user] is_like_space(s)
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _633368)
   Exit: (185) [system] peek_char((0x563acd73bee0), s)
   Call: (185) [system] s=')'
   Fail: (185) [system] s=')'
   Call: (185) [system] s=end_of_file
   Fail: (185) [system] s=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x563acd73bee0), _638938)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _640796)
   Exit: (187) [system] peek_char((0x563acd73bee0), s)
   Call: (187) [system] s=(;)
   Fail: (187) [system] s=(;)
   Call: (187) [system] s=(/)
   Fail: (187) [system] s=(/)
^  Call: (187) [user] is_like_space(s)
   Call: (188) [system] char_type(s, 'white')
   Fail: (188) [system] char_type(s, 'white')
   Call: (188) [system] char_type(s, end_of_line)
   Fail: (188) [system] char_type(s, end_of_line)
   Call: (188) [system] char_type(s, space)
   Fail: (188) [system] char_type(s, space)
   Call: (188) [system] char_type(s, cntrl)
   Fail: (188) [system] char_type(s, cntrl)
^  Fail: (187) [user] is_like_space(s)
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] get_char((0x563acd73bee0), _656806)
   Exit: (186) [system] get_char((0x563acd73bee0), s)
   Call: (186) [system] s='('
   Fail: (186) [system] s='('
   Call: (186) [system] s='['
   Fail: (186) [system] s='['
   Call: (186) [system] s='{'
   Fail: (186) [system] s='{'
   Call: (186) [system] s='"'
   Fail: (186) [system] s='"'
   Call: (186) [system] s=!
   Fail: (186) [system] s=!
   Call: (186) [system] s='\''
   Fail: (186) [system] s='\''
   Call: (186) [system] s='`'
   Fail: (186) [system] s='`'
   Call: (186) [system] s=end_of_file
   Fail: (186) [system] s=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x563acd73bee0), s, _638938)
^  Call: (187) [user] read_symbolic_cont(')', (0x563acd73bee0), _674448)
   Call: (188) [system] peek_char((0x563acd73bee0), _675382)
   Exit: (188) [system] peek_char((0x563acd73bee0), y)
^  Call: (188) [user] is_delimiter(y)
   Call: (189) [system] char_type(y, space)
   Fail: (189) [system] char_type(y, space)
   Call: (189) [system] arg(_680102, v('(', ')', end_of_file), y)
   Fail: (189) [system] arg(_681034, v('(', ')', end_of_file), y)
^  Fail: (188) [user] is_delimiter(y)
   Call: (188) [system] ')'==y
   Fail: (188) [system] ')'==y
   Call: (188) [system] get_char((0x563acd73bee0), y)
   Exit: (188) [system] get_char((0x563acd73bee0), y)
   Call: (188) [system] y=(\)
   Fail: (188) [system] y=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), _688384)
   Call: (189) [system] peek_char((0x563acd73bee0), _689318)
   Exit: (189) [system] peek_char((0x563acd73bee0), n)
^  Call: (189) [user] is_delimiter(n)
   Call: (190) [system] char_type(n, space)
   Fail: (190) [system] char_type(n, space)
   Call: (190) [system] arg(_694038, v('(', ')', end_of_file), n)
   Fail: (190) [system] arg(_694970, v('(', ')', end_of_file), n)
^  Fail: (189) [user] is_delimiter(n)
   Call: (189) [system] ')'==n
   Fail: (189) [system] ')'==n
   Call: (189) [system] get_char((0x563acd73bee0), n)
   Exit: (189) [system] get_char((0x563acd73bee0), n)
   Call: (189) [system] n=(\)
   Fail: (189) [system] n=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), _702320)
   Call: (190) [system] peek_char((0x563acd73bee0), _703254)
   Exit: (190) [system] peek_char((0x563acd73bee0), t)
^  Call: (190) [user] is_delimiter(t)
   Call: (191) [system] char_type(t, space)
   Fail: (191) [system] char_type(t, space)
   Call: (191) [system] arg(_707974, v('(', ')', end_of_file), t)
   Fail: (191) [system] arg(_708906, v('(', ')', end_of_file), t)
^  Fail: (190) [user] is_delimiter(t)
   Call: (190) [system] ')'==t
   Fail: (190) [system] ')'==t
   Call: (190) [system] get_char((0x563acd73bee0), t)
   Exit: (190) [system] get_char((0x563acd73bee0), t)
   Call: (190) [system] t=(\)
   Fail: (190) [system] t=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), _716256)
   Call: (191) [system] peek_char((0x563acd73bee0), _717190)
   Exit: (191) [system] peek_char((0x563acd73bee0), h)
^  Call: (191) [user] is_delimiter(h)
   Call: (192) [system] char_type(h, space)
   Fail: (192) [system] char_type(h, space)
   Call: (192) [system] arg(_721910, v('(', ')', end_of_file), h)
   Fail: (192) [system] arg(_722842, v('(', ')', end_of_file), h)
^  Fail: (191) [user] is_delimiter(h)
   Call: (191) [system] ')'==h
   Fail: (191) [system] ')'==h
   Call: (191) [system] get_char((0x563acd73bee0), h)
   Exit: (191) [system] get_char((0x563acd73bee0), h)
   Call: (191) [system] h=(\)
   Fail: (191) [system] h=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), _730192)
   Call: (192) [system] peek_char((0x563acd73bee0), _731126)
   Exit: (192) [system] peek_char((0x563acd73bee0), e)
^  Call: (192) [user] is_delimiter(e)
   Call: (193) [system] char_type(e, space)
   Fail: (193) [system] char_type(e, space)
   Call: (193) [system] arg(_735846, v('(', ')', end_of_file), e)
   Fail: (193) [system] arg(_736778, v('(', ')', end_of_file), e)
^  Fail: (192) [user] is_delimiter(e)
   Call: (192) [system] ')'==e
   Fail: (192) [system] ')'==e
   Call: (192) [system] get_char((0x563acd73bee0), e)
   Exit: (192) [system] get_char((0x563acd73bee0), e)
   Call: (192) [system] e=(\)
   Fail: (192) [system] e=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), _744128)
   Call: (193) [system] peek_char((0x563acd73bee0), _745062)
   Exit: (193) [system] peek_char((0x563acd73bee0), s)
^  Call: (193) [user] is_delimiter(s)
   Call: (194) [system] char_type(s, space)
   Fail: (194) [system] char_type(s, space)
   Call: (194) [system] arg(_749782, v('(', ')', end_of_file), s)
   Fail: (194) [system] arg(_750714, v('(', ')', end_of_file), s)
^  Fail: (193) [user] is_delimiter(s)
   Call: (193) [system] ')'==s
   Fail: (193) [system] ')'==s
   Call: (193) [system] get_char((0x563acd73bee0), s)
   Exit: (193) [system] get_char((0x563acd73bee0), s)
   Call: (193) [system] s=(\)
   Fail: (193) [system] s=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _758064)
   Call: (194) [system] peek_char((0x563acd73bee0), _758998)
   Exit: (194) [system] peek_char((0x563acd73bee0), i)
^  Call: (194) [user] is_delimiter(i)
   Call: (195) [system] char_type(i, space)
   Fail: (195) [system] char_type(i, space)
   Call: (195) [system] arg(_763718, v('(', ')', end_of_file), i)
   Fail: (195) [system] arg(_764650, v('(', ')', end_of_file), i)
^  Fail: (194) [user] is_delimiter(i)
   Call: (194) [system] ')'==i
   Fail: (194) [system] ')'==i
   Call: (194) [system] get_char((0x563acd73bee0), i)
   Exit: (194) [system] get_char((0x563acd73bee0), i)
   Call: (194) [system] i=(\)
   Fail: (194) [system] i=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _772000)
   Call: (195) [system] peek_char((0x563acd73bee0), _772934)
   Exit: (195) [system] peek_char((0x563acd73bee0), z)
^  Call: (195) [user] is_delimiter(z)
   Call: (196) [system] char_type(z, space)
   Fail: (196) [system] char_type(z, space)
   Call: (196) [system] arg(_777654, v('(', ')', end_of_file), z)
   Fail: (196) [system] arg(_778586, v('(', ')', end_of_file), z)
^  Fail: (195) [user] is_delimiter(z)
   Call: (195) [system] ')'==z
   Fail: (195) [system] ')'==z
   Call: (195) [system] get_char((0x563acd73bee0), z)
   Exit: (195) [system] get_char((0x563acd73bee0), z)
   Call: (195) [system] z=(\)
   Fail: (195) [system] z=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _785936)
   Call: (196) [system] peek_char((0x563acd73bee0), _786870)
   Exit: (196) [system] peek_char((0x563acd73bee0), e)
^  Call: (196) [user] is_delimiter(e)
   Call: (197) [system] char_type(e, space)
   Fail: (197) [system] char_type(e, space)
   Call: (197) [system] arg(_791590, v('(', ')', end_of_file), e)
   Fail: (197) [system] arg(_792522, v('(', ')', end_of_file), e)
^  Fail: (196) [user] is_delimiter(e)
   Call: (196) [system] ')'==e
   Fail: (196) [system] ')'==e
   Call: (196) [system] get_char((0x563acd73bee0), e)
   Exit: (196) [system] get_char((0x563acd73bee0), e)
   Call: (196) [system] e=(\)
   Fail: (196) [system] e=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _799872)
   Call: (197) [system] peek_char((0x563acd73bee0), _800806)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _799872=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (196) [system] _785936=[e]
   Exit: (196) [system] [e]=[e]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [e])
   Call: (195) [system] _772000=[z, e]
   Exit: (195) [system] [z, e]=[z, e]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [z, e])
   Call: (194) [system] _758064=[i, z, e]
   Exit: (194) [system] [i, z, e]=[i, z, e]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, z, e])
   Call: (193) [system] _744128=[s, i, z, e]
   Exit: (193) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, i, z, e])
   Call: (192) [system] _730192=[e, s, i, z, e]
   Exit: (192) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, s, i, z, e])
   Call: (191) [system] _716256=[h, e, s, i, z, e]
   Exit: (191) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), [h, e, s, i, z, e])
   Call: (190) [system] _702320=[t, h, e, s, i, z, e]
   Exit: (190) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, h, e, s, i, z, e])
   Call: (189) [system] _688384=[n, t, h, e, s, i, z, e]
   Exit: (189) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, h, e, s, i, z, e])
   Call: (188) [system] _674448=[y, n, t, h, e, s, i, z, e]
   Exit: (188) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (187) [user] read_symbolic_cont(')', (0x563acd73bee0), [y, n, t, h, e, s, i, z, e])
^  Call: (187) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _638938)
^  Call: (188) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _835236)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_836188, _836190), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _835236), _836170, fail)), '$restore_trace'(_836188, _836190))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_836188, _836190))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _836170, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(synthesize)
   Exit: (189) [system] atomic(synthesize)
^  Exit: (188) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (188) [system] integer(synthesize)
   Fail: (188) [system] integer(synthesize)
   Call: (188) [system] _638938=synthesize
   Exit: (188) [system] synthesize=synthesize
^  Exit: (187) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (186) [user] read_symbolic(')', (0x563acd73bee0), s, synthesize)
^  Exit: (185) [user] cont_sexpr(')', (0x563acd73bee0), synthesize)
^  Call: (185) [user] read_list(')', (0x563acd73bee0), _848316)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _850174)
   Exit: (187) [system] peek_char((0x563acd73bee0), ' ')
   Call: (187) [system] ' '=(;)
   Fail: (187) [system] ' '=(;)
   Call: (187) [system] ' '=(/)
   Fail: (187) [system] ' '=(/)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x563acd73bee0), _859768)
   Exit: (187) [system] get_char((0x563acd73bee0), ' ')
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _862472)
   Exit: (188) [system] peek_char((0x563acd73bee0), $)
   Call: (188) [system] ($)=(;)
   Fail: (188) [system] ($)=(;)
   Call: (188) [system] ($)=(/)
   Fail: (188) [system] ($)=(/)
^  Call: (188) [user] is_like_space($)
   Call: (189) [system] char_type($, 'white')
   Fail: (189) [system] char_type($, 'white')
   Call: (189) [system] char_type($, end_of_line)
   Fail: (189) [system] char_type($, end_of_line)
   Call: (189) [system] char_type($, space)
   Fail: (189) [system] char_type($, space)
   Call: (189) [system] char_type($, cntrl)
   Fail: (189) [system] char_type($, cntrl)
^  Fail: (188) [user] is_like_space($)
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _879406)
   Exit: (186) [system] peek_char((0x563acd73bee0), $)
   Call: (186) [system] ($)=')'
   Fail: (186) [system] ($)=')'
   Call: (186) [system] ($)=end_of_file
   Fail: (186) [system] ($)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x563acd73bee0), _884976)
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _886834)
   Exit: (188) [system] peek_char((0x563acd73bee0), $)
   Call: (188) [system] ($)=(;)
   Fail: (188) [system] ($)=(;)
   Call: (188) [system] ($)=(/)
   Fail: (188) [system] ($)=(/)
^  Call: (188) [user] is_like_space($)
   Call: (189) [system] char_type($, 'white')
   Fail: (189) [system] char_type($, 'white')
   Call: (189) [system] char_type($, end_of_line)
   Fail: (189) [system] char_type($, end_of_line)
   Call: (189) [system] char_type($, space)
   Fail: (189) [system] char_type($, space)
   Call: (189) [system] char_type($, cntrl)
   Fail: (189) [system] char_type($, cntrl)
^  Fail: (188) [user] is_like_space($)
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] get_char((0x563acd73bee0), _902844)
   Exit: (187) [system] get_char((0x563acd73bee0), $)
   Call: (187) [system] ($)='('
   Fail: (187) [system] ($)='('
   Call: (187) [system] ($)='['
   Fail: (187) [system] ($)='['
   Call: (187) [system] ($)='{'
   Fail: (187) [system] ($)='{'
   Call: (187) [system] ($)='"'
   Fail: (187) [system] ($)='"'
   Call: (187) [system] ($)=!
   Fail: (187) [system] ($)=!
   Call: (187) [system] ($)='\''
   Fail: (187) [system] ($)='\''
   Call: (187) [system] ($)='`'
   Fail: (187) [system] ($)='`'
   Call: (187) [system] ($)=end_of_file
   Fail: (187) [system] ($)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x563acd73bee0), $, _884976)
^  Call: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), _920486)
   Call: (189) [system] peek_char((0x563acd73bee0), _921420)
   Exit: (189) [system] peek_char((0x563acd73bee0), q)
^  Call: (189) [user] is_delimiter(q)
   Call: (190) [system] char_type(q, space)
   Fail: (190) [system] char_type(q, space)
   Call: (190) [system] arg(_926140, v('(', ')', end_of_file), q)
   Fail: (190) [system] arg(_927072, v('(', ')', end_of_file), q)
^  Fail: (189) [user] is_delimiter(q)
   Call: (189) [system] ')'==q
   Fail: (189) [system] ')'==q
   Call: (189) [system] get_char((0x563acd73bee0), q)
   Exit: (189) [system] get_char((0x563acd73bee0), q)
   Call: (189) [system] q=(\)
   Fail: (189) [system] q=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), _934422)
   Call: (190) [system] peek_char((0x563acd73bee0), _935356)
   Exit: (190) [system] peek_char((0x563acd73bee0), u)
^  Call: (190) [user] is_delimiter(u)
   Call: (191) [system] char_type(u, space)
   Fail: (191) [system] char_type(u, space)
   Call: (191) [system] arg(_940076, v('(', ')', end_of_file), u)
   Fail: (191) [system] arg(_941008, v('(', ')', end_of_file), u)
^  Fail: (190) [user] is_delimiter(u)
   Call: (190) [system] ')'==u
   Fail: (190) [system] ')'==u
   Call: (190) [system] get_char((0x563acd73bee0), u)
   Exit: (190) [system] get_char((0x563acd73bee0), u)
   Call: (190) [system] u=(\)
   Fail: (190) [system] u=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), _948358)
   Call: (191) [system] peek_char((0x563acd73bee0), _949292)
   Exit: (191) [system] peek_char((0x563acd73bee0), e)
^  Call: (191) [user] is_delimiter(e)
   Call: (192) [system] char_type(e, space)
   Fail: (192) [system] char_type(e, space)
   Call: (192) [system] arg(_954012, v('(', ')', end_of_file), e)
   Fail: (192) [system] arg(_954944, v('(', ')', end_of_file), e)
^  Fail: (191) [user] is_delimiter(e)
   Call: (191) [system] ')'==e
   Fail: (191) [system] ')'==e
   Call: (191) [system] get_char((0x563acd73bee0), e)
   Exit: (191) [system] get_char((0x563acd73bee0), e)
   Call: (191) [system] e=(\)
   Fail: (191) [system] e=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), _962294)
   Call: (192) [system] peek_char((0x563acd73bee0), _963228)
   Exit: (192) [system] peek_char((0x563acd73bee0), r)
^  Call: (192) [user] is_delimiter(r)
   Call: (193) [system] char_type(r, space)
   Fail: (193) [system] char_type(r, space)
   Call: (193) [system] arg(_967948, v('(', ')', end_of_file), r)
   Fail: (193) [system] arg(_968880, v('(', ')', end_of_file), r)
^  Fail: (192) [user] is_delimiter(r)
   Call: (192) [system] ')'==r
   Fail: (192) [system] ')'==r
   Call: (192) [system] get_char((0x563acd73bee0), r)
   Exit: (192) [system] get_char((0x563acd73bee0), r)
   Call: (192) [system] r=(\)
   Fail: (192) [system] r=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), _976230)
   Call: (193) [system] peek_char((0x563acd73bee0), _977164)
   Exit: (193) [system] peek_char((0x563acd73bee0), y)
^  Call: (193) [user] is_delimiter(y)
   Call: (194) [system] char_type(y, space)
   Fail: (194) [system] char_type(y, space)
   Call: (194) [system] arg(_981884, v('(', ')', end_of_file), y)
   Fail: (194) [system] arg(_982816, v('(', ')', end_of_file), y)
^  Fail: (193) [user] is_delimiter(y)
   Call: (193) [system] ')'==y
   Fail: (193) [system] ')'==y
   Call: (193) [system] get_char((0x563acd73bee0), y)
   Exit: (193) [system] get_char((0x563acd73bee0), y)
   Call: (193) [system] y=(\)
   Fail: (193) [system] y=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _990166)
   Call: (194) [system] peek_char((0x563acd73bee0), _991100)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _990166=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (193) [system] _976230=[y]
   Exit: (193) [system] [y]=[y]
^  Exit: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), [y])
   Call: (192) [system] _962294=[r, y]
   Exit: (192) [system] [r, y]=[r, y]
^  Exit: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, y])
   Call: (191) [system] _948358=[e, r, y]
   Exit: (191) [system] [e, r, y]=[e, r, y]
^  Exit: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, r, y])
   Call: (190) [system] _934422=[u, e, r, y]
   Exit: (190) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, e, r, y])
   Call: (189) [system] _920486=[q, u, e, r, y]
   Exit: (189) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), [q, u, e, r, y])
^  Call: (188) [user] classify_and_convert_charseq([$, q, u, e, r, y], _884976)
^  Call: (189) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _1014354)
   Call: (190) [system] atom_chars(_1015286, ['_', q, u, e, r, y])
   Exit: (190) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (189) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _query)
   Call: (189) [system] integer(_query)
   Fail: (189) [system] integer(_query)
   Call: (189) [system] _884976=_query
   Exit: (189) [system] _query=_query
^  Exit: (188) [user] classify_and_convert_charseq([$, q, u, e, r, y], _query)
^  Exit: (187) [user] read_symbolic(')', (0x563acd73bee0), $, _query)
^  Exit: (186) [user] cont_sexpr(')', (0x563acd73bee0), _query)
^  Call: (186) [user] read_list(')', (0x563acd73bee0), _1024578)
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _1026436)
   Exit: (188) [system] peek_char((0x563acd73bee0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x563acd73bee0), _1036030)
   Exit: (188) [system] get_char((0x563acd73bee0), ' ')
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1038734)
   Exit: (189) [system] peek_char((0x563acd73bee0), $)
   Call: (189) [system] ($)=(;)
   Fail: (189) [system] ($)=(;)
   Call: (189) [system] ($)=(/)
   Fail: (189) [system] ($)=(/)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Fail: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Fail: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Fail: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
   Fail: (190) [system] char_type($, cntrl)
^  Fail: (189) [user] is_like_space($)
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _1055668)
   Exit: (187) [system] peek_char((0x563acd73bee0), $)
   Call: (187) [system] ($)=')'
   Fail: (187) [system] ($)=')'
   Call: (187) [system] ($)=end_of_file
   Fail: (187) [system] ($)=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x563acd73bee0), _1061238)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1063096)
   Exit: (189) [system] peek_char((0x563acd73bee0), $)
   Call: (189) [system] ($)=(;)
   Fail: (189) [system] ($)=(;)
   Call: (189) [system] ($)=(/)
   Fail: (189) [system] ($)=(/)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Fail: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Fail: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Fail: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
   Fail: (190) [system] char_type($, cntrl)
^  Fail: (189) [user] is_like_space($)
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] get_char((0x563acd73bee0), _1079106)
   Exit: (188) [system] get_char((0x563acd73bee0), $)
   Call: (188) [system] ($)='('
   Fail: (188) [system] ($)='('
   Call: (188) [system] ($)='['
   Fail: (188) [system] ($)='['
   Call: (188) [system] ($)='{'
   Fail: (188) [system] ($)='{'
   Call: (188) [system] ($)='"'
   Fail: (188) [system] ($)='"'
   Call: (188) [system] ($)=!
   Fail: (188) [system] ($)=!
   Call: (188) [system] ($)='\''
   Fail: (188) [system] ($)='\''
   Call: (188) [system] ($)='`'
   Fail: (188) [system] ($)='`'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x563acd73bee0), $, _1061238)
^  Call: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), _1096748)
   Call: (190) [system] peek_char((0x563acd73bee0), _1097682)
   Exit: (190) [system] peek_char((0x563acd73bee0), k)
^  Call: (190) [user] is_delimiter(k)
   Call: (191) [system] char_type(k, space)
   Fail: (191) [system] char_type(k, space)
   Call: (191) [system] arg(_1102402, v('(', ')', end_of_file), k)
   Fail: (191) [system] arg(_1103334, v('(', ')', end_of_file), k)
^  Fail: (190) [user] is_delimiter(k)
   Call: (190) [system] ')'==k
   Fail: (190) [system] ')'==k
   Call: (190) [system] get_char((0x563acd73bee0), k)
   Exit: (190) [system] get_char((0x563acd73bee0), k)
   Call: (190) [system] k=(\)
   Fail: (190) [system] k=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), _1110684)
   Call: (191) [system] peek_char((0x563acd73bee0), _1111618)
   Exit: (191) [system] peek_char((0x563acd73bee0), b)
^  Call: (191) [user] is_delimiter(b)
   Call: (192) [system] char_type(b, space)
   Fail: (192) [system] char_type(b, space)
   Call: (192) [system] arg(_1116338, v('(', ')', end_of_file), b)
   Fail: (192) [system] arg(_1117270, v('(', ')', end_of_file), b)
^  Fail: (191) [user] is_delimiter(b)
   Call: (191) [system] ')'==b
   Fail: (191) [system] ')'==b
   Call: (191) [system] get_char((0x563acd73bee0), b)
   Exit: (191) [system] get_char((0x563acd73bee0), b)
   Call: (191) [system] b=(\)
   Fail: (191) [system] b=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), _1124620)
   Call: (192) [system] peek_char((0x563acd73bee0), _1125554)
   Exit: (192) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _1124620=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (191) [system] _1110684=[b]
   Exit: (191) [system] [b]=[b]
^  Exit: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
   Call: (190) [system] _1096748=[k, b]
   Exit: (190) [system] [k, b]=[k, b]
^  Exit: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), [k, b])
^  Call: (189) [user] classify_and_convert_charseq([$, k, b], _1061238)
^  Call: (190) [user] classify_and_convert_charseq_([$, k, b], _1140426)
   Call: (191) [system] atom_chars(_1141358, ['_', k, b])
   Exit: (191) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (190) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (190) [system] integer(_kb)
   Fail: (190) [system] integer(_kb)
   Call: (190) [system] _1061238=_kb
   Exit: (190) [system] _kb=_kb
^  Exit: (189) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (188) [user] read_symbolic(')', (0x563acd73bee0), $, _kb)
^  Exit: (187) [user] cont_sexpr(')', (0x563acd73bee0), _kb)
^  Call: (187) [user] read_list(')', (0x563acd73bee0), _1150650)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1152508)
   Exit: (189) [system] peek_char((0x563acd73bee0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x563acd73bee0), _1162102)
   Exit: (189) [system] get_char((0x563acd73bee0), ' ')
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1164806)
   Exit: (190) [system] peek_char((0x563acd73bee0), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
   Call: (190) [system] ($)=(/)
   Fail: (190) [system] ($)=(/)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _1181740)
   Exit: (188) [system] peek_char((0x563acd73bee0), $)
   Call: (188) [system] ($)=')'
   Fail: (188) [system] ($)=')'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x563acd73bee0), _1187310)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1189168)
   Exit: (190) [system] peek_char((0x563acd73bee0), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
   Call: (190) [system] ($)=(/)
   Fail: (190) [system] ($)=(/)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] get_char((0x563acd73bee0), _1205178)
   Exit: (189) [system] get_char((0x563acd73bee0), $)
   Call: (189) [system] ($)='('
   Fail: (189) [system] ($)='('
   Call: (189) [system] ($)='['
   Fail: (189) [system] ($)='['
   Call: (189) [system] ($)='{'
   Fail: (189) [system] ($)='{'
   Call: (189) [system] ($)='"'
   Fail: (189) [system] ($)='"'
   Call: (189) [system] ($)=!
   Fail: (189) [system] ($)=!
   Call: (189) [system] ($)='\''
   Fail: (189) [system] ($)='\''
   Call: (189) [system] ($)='`'
   Fail: (189) [system] ($)='`'
   Call: (189) [system] ($)=end_of_file
   Fail: (189) [system] ($)=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x563acd73bee0), $, _1187310)
^  Call: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), _1222820)
   Call: (191) [system] peek_char((0x563acd73bee0), _1223754)
   Exit: (191) [system] peek_char((0x563acd73bee0), r)
^  Call: (191) [user] is_delimiter(r)
   Call: (192) [system] char_type(r, space)
   Fail: (192) [system] char_type(r, space)
   Call: (192) [system] arg(_1228474, v('(', ')', end_of_file), r)
   Fail: (192) [system] arg(_1229406, v('(', ')', end_of_file), r)
^  Fail: (191) [user] is_delimiter(r)
   Call: (191) [system] ')'==r
   Fail: (191) [system] ')'==r
   Call: (191) [system] get_char((0x563acd73bee0), r)
   Exit: (191) [system] get_char((0x563acd73bee0), r)
   Call: (191) [system] r=(\)
   Fail: (191) [system] r=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), _1236756)
   Call: (192) [system] peek_char((0x563acd73bee0), _1237690)
   Exit: (192) [system] peek_char((0x563acd73bee0), b)
^  Call: (192) [user] is_delimiter(b)
   Call: (193) [system] char_type(b, space)
   Fail: (193) [system] char_type(b, space)
   Call: (193) [system] arg(_1242410, v('(', ')', end_of_file), b)
   Fail: (193) [system] arg(_1243342, v('(', ')', end_of_file), b)
^  Fail: (192) [user] is_delimiter(b)
   Call: (192) [system] ')'==b
   Fail: (192) [system] ')'==b
   Call: (192) [system] get_char((0x563acd73bee0), b)
   Exit: (192) [system] get_char((0x563acd73bee0), b)
   Call: (192) [system] b=(\)
   Fail: (192) [system] b=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), _1250692)
   Call: (193) [system] peek_char((0x563acd73bee0), _1251626)
   Exit: (193) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (193) [user] is_delimiter(' ')
   Call: (194) [system] char_type(' ', space)
   Exit: (194) [system] char_type(' ', space)
^  Exit: (193) [user] is_delimiter(' ')
   Call: (193) [system] _1250692=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (192) [system] _1236756=[b]
   Exit: (192) [system] [b]=[b]
^  Exit: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
   Call: (191) [system] _1222820=[r, b]
   Exit: (191) [system] [r, b]=[r, b]
^  Exit: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, b])
^  Call: (190) [user] classify_and_convert_charseq([$, r, b], _1187310)
^  Call: (191) [user] classify_and_convert_charseq_([$, r, b], _1266498)
   Call: (192) [system] atom_chars(_1267430, ['_', r, b])
   Exit: (192) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (191) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (191) [system] integer(_rb)
   Fail: (191) [system] integer(_rb)
   Call: (191) [system] _1187310=_rb
   Exit: (191) [system] _rb=_rb
^  Exit: (190) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (189) [user] read_symbolic(')', (0x563acd73bee0), $, _rb)
^  Exit: (188) [user] cont_sexpr(')', (0x563acd73bee0), _rb)
^  Call: (188) [user] read_list(')', (0x563acd73bee0), _1276722)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1278580)
   Exit: (190) [system] peek_char((0x563acd73bee0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x563acd73bee0), _1288174)
   Exit: (190) [system] get_char((0x563acd73bee0), ' ')
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _1290878)
   Exit: (191) [system] peek_char((0x563acd73bee0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1307812)
   Exit: (189) [system] peek_char((0x563acd73bee0), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x563acd73bee0), _1313382)
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _1315240)
   Exit: (191) [system] peek_char((0x563acd73bee0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] get_char((0x563acd73bee0), _1331250)
   Exit: (190) [system] get_char((0x563acd73bee0), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x563acd73bee0), _1313382)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1336820)
   Exit: (192) [system] peek_char((0x563acd73bee0), 'S')
   Call: (192) [system] 'S'=(;)
   Fail: (192) [system] 'S'=(;)
   Call: (192) [system] 'S'=(/)
   Fail: (192) [system] 'S'=(/)
^  Call: (192) [user] is_like_space('S')
   Call: (193) [system] char_type('S', 'white')
   Fail: (193) [system] char_type('S', 'white')
   Call: (193) [system] char_type('S', end_of_line)
   Fail: (193) [system] char_type('S', end_of_line)
   Call: (193) [system] char_type('S', space)
   Fail: (193) [system] char_type('S', space)
   Call: (193) [system] char_type('S', cntrl)
   Fail: (193) [system] char_type('S', cntrl)
^  Fail: (192) [user] is_like_space('S')
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _1352830)
   Exit: (191) [system] peek_char((0x563acd73bee0), 'S')
   Call: (191) [system] 'S'=')'
   Fail: (191) [system] 'S'=')'
   Call: (191) [system] 'S'=end_of_file
   Fail: (191) [system] 'S'=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x563acd73bee0), _1358400)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1360258)
   Exit: (193) [system] peek_char((0x563acd73bee0), 'S')
   Call: (193) [system] 'S'=(;)
   Fail: (193) [system] 'S'=(;)
   Call: (193) [system] 'S'=(/)
   Fail: (193) [system] 'S'=(/)
^  Call: (193) [user] is_like_space('S')
   Call: (194) [system] char_type('S', 'white')
   Fail: (194) [system] char_type('S', 'white')
   Call: (194) [system] char_type('S', end_of_line)
   Fail: (194) [system] char_type('S', end_of_line)
   Call: (194) [system] char_type('S', space)
   Fail: (194) [system] char_type('S', space)
   Call: (194) [system] char_type('S', cntrl)
   Fail: (194) [system] char_type('S', cntrl)
^  Fail: (193) [user] is_like_space('S')
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] get_char((0x563acd73bee0), _1376268)
   Exit: (192) [system] get_char((0x563acd73bee0), 'S')
   Call: (192) [system] 'S'='('
   Fail: (192) [system] 'S'='('
   Call: (192) [system] 'S'='['
   Fail: (192) [system] 'S'='['
   Call: (192) [system] 'S'='{'
   Fail: (192) [system] 'S'='{'
   Call: (192) [system] 'S'='"'
   Fail: (192) [system] 'S'='"'
   Call: (192) [system] 'S'=!
   Fail: (192) [system] 'S'=!
   Call: (192) [system] 'S'='\''
   Fail: (192) [system] 'S'='\''
   Call: (192) [system] 'S'='`'
   Fail: (192) [system] 'S'='`'
   Call: (192) [system] 'S'=end_of_file
   Fail: (192) [system] 'S'=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x563acd73bee0), 'S', _1358400)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _1393910)
   Call: (194) [system] peek_char((0x563acd73bee0), _1394844)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _1393910=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (193) [user] classify_and_convert_charseq(['S'], _1358400)
^  Call: (194) [user] classify_and_convert_charseq_(['S'], _1404128)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_1405080, _1405082), once(user:catch(read_from_chars(['S'], _1404128), _1405062, fail)), '$restore_trace'(_1405080, _1405082))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_1405080, _1405082))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['S'], _1404128), _1405062, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(_1404128)
   Fail: (195) [system] atomic(_1404128)
   Call: (195) [system] atom_chars(_1404128, ['S'])
   Exit: (195) [system] atom_chars('S', ['S'])
^  Exit: (194) [user] classify_and_convert_charseq_(['S'], 'S')
   Call: (194) [system] integer('S')
   Fail: (194) [system] integer('S')
   Call: (194) [system] _1358400='S'
   Exit: (194) [system] 'S'='S'
^  Exit: (193) [user] classify_and_convert_charseq(['S'], 'S')
^  Exit: (192) [user] read_symbolic(')', (0x563acd73bee0), 'S', 'S')
^  Exit: (191) [user] cont_sexpr(')', (0x563acd73bee0), 'S')
^  Call: (191) [user] read_list(')', (0x563acd73bee0), _1419078)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1420936)
   Exit: (193) [system] peek_char((0x563acd73bee0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x563acd73bee0), _1430530)
   Exit: (193) [system] get_char((0x563acd73bee0), ' ')
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1433234)
   Exit: (194) [system] peek_char((0x563acd73bee0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1450168)
   Exit: (192) [system] peek_char((0x563acd73bee0), $)
   Call: (192) [system] ($)=')'
   Fail: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x563acd73bee0), _1455738)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1457596)
   Exit: (194) [system] peek_char((0x563acd73bee0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] get_char((0x563acd73bee0), _1473606)
   Exit: (193) [system] get_char((0x563acd73bee0), $)
   Call: (193) [system] ($)='('
   Fail: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Fail: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Fail: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Fail: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Fail: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Fail: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Fail: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x563acd73bee0), $, _1455738)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _1491248)
   Call: (195) [system] peek_char((0x563acd73bee0), _1492182)
   Exit: (195) [system] peek_char((0x563acd73bee0), k)
^  Call: (195) [user] is_delimiter(k)
   Call: (196) [system] char_type(k, space)
   Fail: (196) [system] char_type(k, space)
   Call: (196) [system] arg(_1496902, v('(', ')', end_of_file), k)
   Fail: (196) [system] arg(_1497834, v('(', ')', end_of_file), k)
^  Fail: (195) [user] is_delimiter(k)
   Call: (195) [system] ')'==k
   Fail: (195) [system] ')'==k
   Call: (195) [system] get_char((0x563acd73bee0), k)
   Exit: (195) [system] get_char((0x563acd73bee0), k)
   Call: (195) [system] k=(\)
   Fail: (195) [system] k=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _1505184)
   Call: (196) [system] peek_char((0x563acd73bee0), _1506118)
   Exit: (196) [system] peek_char((0x563acd73bee0), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_1510838, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _1505184=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (195) [system] _1491248=[k]
   Exit: (195) [system] [k]=[k]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
^  Call: (194) [user] classify_and_convert_charseq([$, k], _1455738)
^  Call: (195) [user] classify_and_convert_charseq_([$, k], _1520068)
   Call: (196) [system] atom_chars(_1521000, ['_', k])
   Exit: (196) [system] atom_chars('_k', ['_', k])
^  Exit: (195) [user] classify_and_convert_charseq_([$, k], _k)
   Call: (195) [system] integer(_k)
   Fail: (195) [system] integer(_k)
   Call: (195) [system] _1455738=_k
   Exit: (195) [system] _k=_k
^  Exit: (194) [user] classify_and_convert_charseq([$, k], _k)
^  Exit: (193) [user] read_symbolic(')', (0x563acd73bee0), $, _k)
^  Exit: (192) [user] cont_sexpr(')', (0x563acd73bee0), _k)
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _1530292)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1532150)
   Exit: (194) [system] peek_char((0x563acd73bee0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
   Call: (194) [system] ')'=(/)
   Fail: (194) [system] ')'=(/)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1548160)
   Exit: (193) [system] peek_char((0x563acd73bee0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x563acd73bee0), _1551950)
   Exit: (193) [system] get_char((0x563acd73bee0), ')')
   Call: (193) [system] _1530292=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), [])
   Call: (192) [system] _1419078=[_k]
   Exit: (192) [system] [_k]=[_k]
^  Exit: (191) [user] read_list(')', (0x563acd73bee0), [_k])
   Call: (191) [system] _1313382=['S', _k]
   Exit: (191) [system] ['S', _k]=['S', _k]
^  Exit: (190) [user] read_list(')', (0x563acd73bee0), ['S', _k])
^  Exit: (189) [user] cont_sexpr(')', (0x563acd73bee0), ['S', _k])
^  Call: (189) [user] read_list(')', (0x563acd73bee0), _1563038)
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _1564896)
   Exit: (191) [system] peek_char((0x563acd73bee0), ')')
   Call: (191) [system] ')'=(;)
   Fail: (191) [system] ')'=(;)
   Call: (191) [system] ')'=(/)
   Fail: (191) [system] ')'=(/)
^  Call: (191) [user] is_like_space(')')
   Call: (192) [system] char_type(')', 'white')
   Fail: (192) [system] char_type(')', 'white')
   Call: (192) [system] char_type(')', end_of_line)
   Fail: (192) [system] char_type(')', end_of_line)
   Call: (192) [system] char_type(')', space)
   Fail: (192) [system] char_type(')', space)
   Call: (192) [system] char_type(')', cntrl)
   Fail: (192) [system] char_type(')', cntrl)
^  Fail: (191) [user] is_like_space(')')
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1580906)
   Exit: (190) [system] peek_char((0x563acd73bee0), ')')
   Call: (190) [system] ')'=')'
   Exit: (190) [system] ')'=')'
   Call: (190) [system] get_char((0x563acd73bee0), _1584696)
   Exit: (190) [system] get_char((0x563acd73bee0), ')')
   Call: (190) [system] _1563038=[]
   Exit: (190) [system] []=[]
^  Exit: (189) [user] read_list(')', (0x563acd73bee0), [])
   Call: (189) [system] _1276722=[['S', _k]]
   Exit: (189) [system] [['S', _k]]=[['S', _k]]
^  Exit: (188) [user] read_list(')', (0x563acd73bee0), [['S', _k]])
   Call: (188) [system] _1150650=[_rb, ['S', _k]]
   Exit: (188) [system] [_rb, ['S', _k]]=[_rb, ['S', _k]]
^  Exit: (187) [user] read_list(')', (0x563acd73bee0), [_rb, ['S', _k]])
   Call: (187) [system] _1024578=[_kb, _rb, ['S', _k]]
   Exit: (187) [system] [_kb, _rb, ['S', _k]]=[_kb, _rb, ['S', _k]]
^  Exit: (186) [user] read_list(')', (0x563acd73bee0), [_kb, _rb, ['S', _k]])
   Call: (186) [system] _848316=[_query, _kb, _rb, ['S', _k]]
   Exit: (186) [system] [_query, _kb, _rb, ['S', _k]]=[_query, _kb, _rb, ['S', _k]]
^  Exit: (185) [user] read_list(')', (0x563acd73bee0), [_query, _kb, _rb, ['S', _k]])
   Call: (185) [system] _593920=[synthesize, _query, _kb, _rb, ['S', _k]]
   Exit: (185) [system] [synthesize, _query, _kb, _rb, ['S', _k]]=[synthesize, _query, _kb, _rb, ['S', _k]]
^  Exit: (184) [user] read_list(')', (0x563acd73bee0), [synthesize, _query, _kb, _rb, ['S', _k]])
^  Exit: (183) [user] cont_sexpr(')', (0x563acd73bee0), [synthesize, _query, _kb, _rb, ['S', _k]])
^  Call: (183) [user] read_list(')', (0x563acd73bee0), _1604166)
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _1606024)
   Exit: (185) [system] peek_char((0x563acd73bee0), '\n')
   Call: (185) [system] '\n'=(;)
   Fail: (185) [system] '\n'=(;)
   Call: (185) [system] '\n'=(/)
   Fail: (185) [system] '\n'=(/)
^  Call: (185) [user] is_like_space('\n')
   Call: (186) [system] char_type('\n', 'white')
   Fail: (186) [system] char_type('\n', 'white')
   Call: (186) [system] char_type('\n', end_of_line)
   Exit: (186) [system] char_type('\n', end_of_line)
^  Exit: (185) [user] is_like_space('\n')
   Call: (185) [system] get_char((0x563acd73bee0), _1617474)
   Exit: (185) [system] get_char((0x563acd73bee0), '\n')
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1620178)
   Exit: (186) [system] peek_char((0x563acd73bee0), ' ')
   Call: (186) [system] ' '=(;)
   Fail: (186) [system] ' '=(;)
   Call: (186) [system] ' '=(/)
   Fail: (186) [system] ' '=(/)
^  Call: (186) [user] is_like_space(' ')
   Call: (187) [system] char_type(' ', 'white')
   Exit: (187) [system] char_type(' ', 'white')
^  Exit: (186) [user] is_like_space(' ')
   Call: (186) [system] get_char((0x563acd73bee0), _1629772)
   Exit: (186) [system] get_char((0x563acd73bee0), ' ')
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _1632476)
   Exit: (187) [system] peek_char((0x563acd73bee0), ' ')
   Call: (187) [system] ' '=(;)
   Fail: (187) [system] ' '=(;)
   Call: (187) [system] ' '=(/)
   Fail: (187) [system] ' '=(/)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x563acd73bee0), _1642070)
   Exit: (187) [system] get_char((0x563acd73bee0), ' ')
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _1644774)
   Exit: (188) [system] peek_char((0x563acd73bee0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x563acd73bee0), _1654368)
   Exit: (188) [system] get_char((0x563acd73bee0), ' ')
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1657072)
   Exit: (189) [system] peek_char((0x563acd73bee0), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
   Call: (189) [system] '('=(/)
   Fail: (189) [system] '('=(/)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _1676778)
   Exit: (184) [system] peek_char((0x563acd73bee0), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x563acd73bee0), _1682348)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1684206)
   Exit: (186) [system] peek_char((0x563acd73bee0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] get_char((0x563acd73bee0), _1700216)
   Exit: (185) [system] get_char((0x563acd73bee0), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x563acd73bee0), _1682348)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _1705786)
   Exit: (187) [system] peek_char((0x563acd73bee0), l)
   Call: (187) [system] l=(;)
   Fail: (187) [system] l=(;)
   Call: (187) [system] l=(/)
   Fail: (187) [system] l=(/)
^  Call: (187) [user] is_like_space(l)
   Call: (188) [system] char_type(l, 'white')
   Fail: (188) [system] char_type(l, 'white')
   Call: (188) [system] char_type(l, end_of_line)
   Fail: (188) [system] char_type(l, end_of_line)
   Call: (188) [system] char_type(l, space)
   Fail: (188) [system] char_type(l, space)
   Call: (188) [system] char_type(l, cntrl)
   Fail: (188) [system] char_type(l, cntrl)
^  Fail: (187) [user] is_like_space(l)
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1721796)
   Exit: (186) [system] peek_char((0x563acd73bee0), l)
   Call: (186) [system] l=')'
   Fail: (186) [system] l=')'
   Call: (186) [system] l=end_of_file
   Fail: (186) [system] l=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x563acd73bee0), _1727366)
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _1729224)
   Exit: (188) [system] peek_char((0x563acd73bee0), l)
   Call: (188) [system] l=(;)
   Fail: (188) [system] l=(;)
   Call: (188) [system] l=(/)
   Fail: (188) [system] l=(/)
^  Call: (188) [user] is_like_space(l)
   Call: (189) [system] char_type(l, 'white')
   Fail: (189) [system] char_type(l, 'white')
   Call: (189) [system] char_type(l, end_of_line)
   Fail: (189) [system] char_type(l, end_of_line)
   Call: (189) [system] char_type(l, space)
   Fail: (189) [system] char_type(l, space)
   Call: (189) [system] char_type(l, cntrl)
   Fail: (189) [system] char_type(l, cntrl)
^  Fail: (188) [user] is_like_space(l)
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] get_char((0x563acd73bee0), _1745234)
   Exit: (187) [system] get_char((0x563acd73bee0), l)
   Call: (187) [system] l='('
   Fail: (187) [system] l='('
   Call: (187) [system] l='['
   Fail: (187) [system] l='['
   Call: (187) [system] l='{'
   Fail: (187) [system] l='{'
   Call: (187) [system] l='"'
   Fail: (187) [system] l='"'
   Call: (187) [system] l=!
   Fail: (187) [system] l=!
   Call: (187) [system] l='\''
   Fail: (187) [system] l='\''
   Call: (187) [system] l='`'
   Fail: (187) [system] l='`'
   Call: (187) [system] l=end_of_file
   Fail: (187) [system] l=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x563acd73bee0), l, _1727366)
^  Call: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), _1762876)
   Call: (189) [system] peek_char((0x563acd73bee0), _1763810)
   Exit: (189) [system] peek_char((0x563acd73bee0), e)
^  Call: (189) [user] is_delimiter(e)
   Call: (190) [system] char_type(e, space)
   Fail: (190) [system] char_type(e, space)
   Call: (190) [system] arg(_1768530, v('(', ')', end_of_file), e)
   Fail: (190) [system] arg(_1769462, v('(', ')', end_of_file), e)
^  Fail: (189) [user] is_delimiter(e)
   Call: (189) [system] ')'==e
   Fail: (189) [system] ')'==e
   Call: (189) [system] get_char((0x563acd73bee0), e)
   Exit: (189) [system] get_char((0x563acd73bee0), e)
   Call: (189) [system] e=(\)
   Fail: (189) [system] e=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), _1776812)
   Call: (190) [system] peek_char((0x563acd73bee0), _1777746)
   Exit: (190) [system] peek_char((0x563acd73bee0), t)
^  Call: (190) [user] is_delimiter(t)
   Call: (191) [system] char_type(t, space)
   Fail: (191) [system] char_type(t, space)
   Call: (191) [system] arg(_1782466, v('(', ')', end_of_file), t)
   Fail: (191) [system] arg(_1783398, v('(', ')', end_of_file), t)
^  Fail: (190) [user] is_delimiter(t)
   Call: (190) [system] ')'==t
   Fail: (190) [system] ')'==t
   Call: (190) [system] get_char((0x563acd73bee0), t)
   Exit: (190) [system] get_char((0x563acd73bee0), t)
   Call: (190) [system] t=(\)
   Fail: (190) [system] t=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), _1790748)
   Call: (191) [system] peek_char((0x563acd73bee0), _1791682)
   Exit: (191) [system] peek_char((0x563acd73bee0), *)
^  Call: (191) [user] is_delimiter(*)
   Call: (192) [system] char_type(*, space)
   Fail: (192) [system] char_type(*, space)
   Call: (192) [system] arg(_1796402, v('(', ')', end_of_file), *)
   Fail: (192) [system] arg(_1797334, v('(', ')', end_of_file), *)
^  Fail: (191) [user] is_delimiter(*)
   Call: (191) [system] ')'==(*)
   Fail: (191) [system] ')'==(*)
   Call: (191) [system] get_char((0x563acd73bee0), *)
   Exit: (191) [system] get_char((0x563acd73bee0), *)
   Call: (191) [system] (*)=(\)
   Fail: (191) [system] (*)=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), _1804684)
   Call: (192) [system] peek_char((0x563acd73bee0), _1805618)
   Exit: (192) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _1804684=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (191) [system] _1790748=[*]
   Exit: (191) [system] [*]=[*]
^  Exit: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), [*])
   Call: (190) [system] _1776812=[t, *]
   Exit: (190) [system] [t, *]=[t, *]
^  Exit: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, *])
   Call: (189) [system] _1762876=[e, t, *]
   Exit: (189) [system] [e, t, *]=[e, t, *]
^  Exit: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, t, *])
^  Call: (188) [user] classify_and_convert_charseq([l, e, t, *], _1727366)
^  Call: (189) [user] classify_and_convert_charseq_([l, e, t, *], _1823284)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_1824236, _1824238), once(user:catch(read_from_chars([l, e, t, *], _1823284), _1824218, fail)), '$restore_trace'(_1824236, _1824238))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_1824236, _1824238))
   Call: (190) [system] atom_chars(_3466, [l, e, t, *])
   Exit: (190) [system] atom_chars('let*', [l, e, t, *])
^  Exit: (189) [user] classify_and_convert_charseq_([l, e, t, *], 'let*')
   Call: (189) [system] integer('let*')
   Fail: (189) [system] integer('let*')
   Call: (189) [system] _3436='let*'
   Exit: (189) [system] 'let*'='let*'
^  Exit: (188) [user] classify_and_convert_charseq([l, e, t, *], 'let*')
^  Exit: (187) [user] read_symbolic(')', (0x563acd73bee0), l, 'let*')
^  Exit: (186) [user] cont_sexpr(')', (0x563acd73bee0), 'let*')
^  Call: (186) [user] read_list(')', (0x563acd73bee0), _12832)
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _14690)
   Exit: (188) [system] peek_char((0x563acd73bee0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x563acd73bee0), _24284)
   Exit: (188) [system] get_char((0x563acd73bee0), ' ')
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _26988)
   Exit: (189) [system] peek_char((0x563acd73bee0), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
   Call: (189) [system] '('=(/)
   Fail: (189) [system] '('=(/)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _43922)
   Exit: (187) [system] peek_char((0x563acd73bee0), '(')
   Call: (187) [system] '('=')'
   Fail: (187) [system] '('=')'
   Call: (187) [system] '('=end_of_file
   Fail: (187) [system] '('=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x563acd73bee0), _49492)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _51350)
   Exit: (189) [system] peek_char((0x563acd73bee0), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
   Call: (189) [system] '('=(/)
   Fail: (189) [system] '('=(/)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] get_char((0x563acd73bee0), _67360)
   Exit: (188) [system] get_char((0x563acd73bee0), '(')
   Call: (188) [system] '('='('
   Exit: (188) [system] '('='('
^  Call: (188) [user] read_list(')', (0x563acd73bee0), _49492)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _72930)
   Exit: (190) [system] peek_char((0x563acd73bee0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _88940)
   Exit: (189) [system] peek_char((0x563acd73bee0), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x563acd73bee0), _94510)
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _96368)
   Exit: (191) [system] peek_char((0x563acd73bee0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] get_char((0x563acd73bee0), _112378)
   Exit: (190) [system] get_char((0x563acd73bee0), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x563acd73bee0), _94510)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _117948)
   Exit: (192) [system] peek_char((0x563acd73bee0), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
   Call: (192) [system] '('=(/)
   Fail: (192) [system] '('=(/)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _133958)
   Exit: (191) [system] peek_char((0x563acd73bee0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x563acd73bee0), _139528)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _141386)
   Exit: (193) [system] peek_char((0x563acd73bee0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] get_char((0x563acd73bee0), _157396)
   Exit: (192) [system] get_char((0x563acd73bee0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _139528)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _162966)
   Exit: (194) [system] peek_char((0x563acd73bee0), :)
   Call: (194) [system] (:)=(;)
   Fail: (194) [system] (:)=(;)
   Call: (194) [system] (:)=(/)
   Fail: (194) [system] (:)=(/)
^  Call: (194) [user] is_like_space(:)
   Call: (195) [system] char_type(:, 'white')
   Fail: (195) [system] char_type(:, 'white')
   Call: (195) [system] char_type(:, end_of_line)
   Fail: (195) [system] char_type(:, end_of_line)
   Call: (195) [system] char_type(:, space)
   Fail: (195) [system] char_type(:, space)
   Call: (195) [system] char_type(:, cntrl)
   Fail: (195) [system] char_type(:, cntrl)
^  Fail: (194) [user] is_like_space(:)
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _178976)
   Exit: (193) [system] peek_char((0x563acd73bee0), :)
   Call: (193) [system] (:)=')'
   Fail: (193) [system] (:)=')'
   Call: (193) [system] (:)=end_of_file
   Fail: (193) [system] (:)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x563acd73bee0), _184546)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _186404)
   Exit: (195) [system] peek_char((0x563acd73bee0), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
   Call: (195) [system] (:)=(/)
   Fail: (195) [system] (:)=(/)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] get_char((0x563acd73bee0), _202414)
   Exit: (194) [system] get_char((0x563acd73bee0), :)
   Call: (194) [system] (:)='('
   Fail: (194) [system] (:)='('
   Call: (194) [system] (:)='['
   Fail: (194) [system] (:)='['
   Call: (194) [system] (:)='{'
   Fail: (194) [system] (:)='{'
   Call: (194) [system] (:)='"'
   Fail: (194) [system] (:)='"'
   Call: (194) [system] (:)=!
   Fail: (194) [system] (:)=!
   Call: (194) [system] (:)='\''
   Fail: (194) [system] (:)='\''
   Call: (194) [system] (:)='`'
   Fail: (194) [system] (:)='`'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x563acd73bee0), :, _184546)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _220056)
   Call: (196) [system] peek_char((0x563acd73bee0), _220990)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _220056=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (195) [user] classify_and_convert_charseq([:], _184546)
^  Call: (196) [user] classify_and_convert_charseq_([:], _230274)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_231226, _231228), once(user:catch(read_from_chars([:], _230274), _231208, fail)), '$restore_trace'(_231226, _231228))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_231226, _231228))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _231208, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(:)
   Exit: (197) [system] atomic(:)
^  Exit: (196) [user] classify_and_convert_charseq_([:], :)
   Call: (196) [system] integer(:)
   Fail: (196) [system] integer(:)
   Call: (196) [system] _184546=(:)
   Exit: (196) [system] (:)=(:)
^  Exit: (195) [user] classify_and_convert_charseq([:], :)
^  Exit: (194) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (193) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _243354)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _245212)
   Exit: (195) [system] peek_char((0x563acd73bee0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x563acd73bee0), _254806)
   Exit: (195) [system] get_char((0x563acd73bee0), ' ')
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _257510)
   Exit: (196) [system] peek_char((0x563acd73bee0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _274444)
   Exit: (194) [system] peek_char((0x563acd73bee0), $)
   Call: (194) [system] ($)=')'
   Fail: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x563acd73bee0), _280014)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _281872)
   Exit: (196) [system] peek_char((0x563acd73bee0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] get_char((0x563acd73bee0), _297882)
   Exit: (195) [system] get_char((0x563acd73bee0), $)
   Call: (195) [system] ($)='('
   Fail: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Fail: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Fail: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Fail: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Fail: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Fail: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Fail: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x563acd73bee0), $, _280014)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _315524)
   Call: (197) [system] peek_char((0x563acd73bee0), _316458)
   Exit: (197) [system] peek_char((0x563acd73bee0), r)
^  Call: (197) [user] is_delimiter(r)
   Call: (198) [system] char_type(r, space)
   Fail: (198) [system] char_type(r, space)
   Call: (198) [system] arg(_321178, v('(', ')', end_of_file), r)
   Fail: (198) [system] arg(_322110, v('(', ')', end_of_file), r)
^  Fail: (197) [user] is_delimiter(r)
   Call: (197) [system] ')'==r
   Fail: (197) [system] ')'==r
   Call: (197) [system] get_char((0x563acd73bee0), r)
   Exit: (197) [system] get_char((0x563acd73bee0), r)
   Call: (197) [system] r=(\)
   Fail: (197) [system] r=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _329460)
   Call: (198) [system] peek_char((0x563acd73bee0), _330394)
   Exit: (198) [system] peek_char((0x563acd73bee0), u)
^  Call: (198) [user] is_delimiter(u)
   Call: (199) [system] char_type(u, space)
   Fail: (199) [system] char_type(u, space)
   Call: (199) [system] arg(_335114, v('(', ')', end_of_file), u)
   Fail: (199) [system] arg(_336046, v('(', ')', end_of_file), u)
^  Fail: (198) [user] is_delimiter(u)
   Call: (198) [system] ')'==u
   Fail: (198) [system] ')'==u
   Call: (198) [system] get_char((0x563acd73bee0), u)
   Exit: (198) [system] get_char((0x563acd73bee0), u)
   Call: (198) [system] u=(\)
   Fail: (198) [system] u=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _343396)
   Call: (199) [system] peek_char((0x563acd73bee0), _344330)
   Exit: (199) [system] peek_char((0x563acd73bee0), c)
^  Call: (199) [user] is_delimiter(c)
   Call: (200) [system] char_type(c, space)
   Fail: (200) [system] char_type(c, space)
   Call: (200) [system] arg(_349050, v('(', ')', end_of_file), c)
   Fail: (200) [system] arg(_349982, v('(', ')', end_of_file), c)
^  Fail: (199) [user] is_delimiter(c)
   Call: (199) [system] ')'==c
   Fail: (199) [system] ')'==c
   Call: (199) [system] get_char((0x563acd73bee0), c)
   Exit: (199) [system] get_char((0x563acd73bee0), c)
   Call: (199) [system] c=(\)
   Fail: (199) [system] c=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _357332)
   Call: (200) [system] peek_char((0x563acd73bee0), _358266)
   Exit: (200) [system] peek_char((0x563acd73bee0), t)
^  Call: (200) [user] is_delimiter(t)
   Call: (201) [system] char_type(t, space)
   Fail: (201) [system] char_type(t, space)
   Call: (201) [system] arg(_362986, v('(', ')', end_of_file), t)
   Fail: (201) [system] arg(_363918, v('(', ')', end_of_file), t)
^  Fail: (200) [user] is_delimiter(t)
   Call: (200) [system] ')'==t
   Fail: (200) [system] ')'==t
   Call: (200) [system] get_char((0x563acd73bee0), t)
   Exit: (200) [system] get_char((0x563acd73bee0), t)
   Call: (200) [system] t=(\)
   Fail: (200) [system] t=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _371268)
   Call: (201) [system] peek_char((0x563acd73bee0), _372202)
   Exit: (201) [system] peek_char((0x563acd73bee0), o)
^  Call: (201) [user] is_delimiter(o)
   Call: (202) [system] char_type(o, space)
   Fail: (202) [system] char_type(o, space)
   Call: (202) [system] arg(_376922, v('(', ')', end_of_file), o)
   Fail: (202) [system] arg(_377854, v('(', ')', end_of_file), o)
^  Fail: (201) [user] is_delimiter(o)
   Call: (201) [system] ')'==o
   Fail: (201) [system] ')'==o
   Call: (201) [system] get_char((0x563acd73bee0), o)
   Exit: (201) [system] get_char((0x563acd73bee0), o)
   Call: (201) [system] o=(\)
   Fail: (201) [system] o=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _385204)
   Call: (202) [system] peek_char((0x563acd73bee0), _386138)
   Exit: (202) [system] peek_char((0x563acd73bee0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_390858, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_391790, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x563acd73bee0), r)
   Exit: (202) [system] get_char((0x563acd73bee0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _399140)
   Call: (203) [system] peek_char((0x563acd73bee0), _400074)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _399140=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (202) [system] _385204=[r]
   Exit: (202) [system] [r]=[r]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [r])
   Call: (201) [system] _371268=[o, r]
   Exit: (201) [system] [o, r]=[o, r]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, r])
   Call: (200) [system] _357332=[t, o, r]
   Exit: (200) [system] [t, o, r]=[t, o, r]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, o, r])
   Call: (199) [system] _343396=[c, t, o, r]
   Exit: (199) [system] [c, t, o, r]=[c, t, o, r]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, o, r])
   Call: (198) [system] _329460=[u, c, t, o, r]
   Exit: (198) [system] [u, c, t, o, r]=[u, c, t, o, r]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, o, r])
   Call: (197) [system] _315524=[r, u, c, t, o, r]
   Exit: (197) [system] [r, u, c, t, o, r]=[r, u, c, t, o, r]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, u, c, t, o, r])
^  Call: (196) [user] classify_and_convert_charseq([$, r, u, c, t, o, r], _280014)
^  Call: (197) [user] classify_and_convert_charseq_([$, r, u, c, t, o, r], _426122)
   Call: (198) [system] atom_chars(_427054, ['_', r, u, c, t, o, r])
   Exit: (198) [system] atom_chars('_ructor', ['_', r, u, c, t, o, r])
^  Exit: (197) [user] classify_and_convert_charseq_([$, r, u, c, t, o, r], _ructor)
   Call: (197) [system] integer(_ructor)
   Fail: (197) [system] integer(_ructor)
   Call: (197) [system] _280014=_ructor
   Exit: (197) [system] _ructor=_ructor
^  Exit: (196) [user] classify_and_convert_charseq([$, r, u, c, t, o, r], _ructor)
^  Exit: (195) [user] read_symbolic(')', (0x563acd73bee0), $, _ructor)
^  Exit: (194) [user] cont_sexpr(')', (0x563acd73bee0), _ructor)
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _436346)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _438204)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x563acd73bee0), _447798)
   Exit: (196) [system] get_char((0x563acd73bee0), ' ')
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _450502)
   Exit: (197) [system] peek_char((0x563acd73bee0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _467436)
   Exit: (195) [system] peek_char((0x563acd73bee0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x563acd73bee0), _473006)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _474864)
   Exit: (197) [system] peek_char((0x563acd73bee0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] get_char((0x563acd73bee0), _490874)
   Exit: (196) [system] get_char((0x563acd73bee0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x563acd73bee0), _473006)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _496444)
   Exit: (198) [system] peek_char((0x563acd73bee0), -)
   Call: (198) [system] (-)=(;)
   Fail: (198) [system] (-)=(;)
   Call: (198) [system] (-)=(/)
   Fail: (198) [system] (-)=(/)
^  Call: (198) [user] is_like_space(-)
   Call: (199) [system] char_type(-, 'white')
   Fail: (199) [system] char_type(-, 'white')
   Call: (199) [system] char_type(-, end_of_line)
   Fail: (199) [system] char_type(-, end_of_line)
   Call: (199) [system] char_type(-, space)
   Fail: (199) [system] char_type(-, space)
   Call: (199) [system] char_type(-, cntrl)
   Fail: (199) [system] char_type(-, cntrl)
^  Fail: (198) [user] is_like_space(-)
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _512454)
   Exit: (197) [system] peek_char((0x563acd73bee0), -)
   Call: (197) [system] (-)=')'
   Fail: (197) [system] (-)=')'
   Call: (197) [system] (-)=end_of_file
   Fail: (197) [system] (-)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x563acd73bee0), _518024)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _519882)
   Exit: (199) [system] peek_char((0x563acd73bee0), -)
   Call: (199) [system] (-)=(;)
   Fail: (199) [system] (-)=(;)
   Call: (199) [system] (-)=(/)
   Fail: (199) [system] (-)=(/)
^  Call: (199) [user] is_like_space(-)
   Call: (200) [system] char_type(-, 'white')
   Fail: (200) [system] char_type(-, 'white')
   Call: (200) [system] char_type(-, end_of_line)
   Fail: (200) [system] char_type(-, end_of_line)
   Call: (200) [system] char_type(-, space)
   Fail: (200) [system] char_type(-, space)
   Call: (200) [system] char_type(-, cntrl)
   Fail: (200) [system] char_type(-, cntrl)
^  Fail: (199) [user] is_like_space(-)
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] get_char((0x563acd73bee0), _535892)
   Exit: (198) [system] get_char((0x563acd73bee0), -)
   Call: (198) [system] (-)='('
   Fail: (198) [system] (-)='('
   Call: (198) [system] (-)='['
   Fail: (198) [system] (-)='['
   Call: (198) [system] (-)='{'
   Fail: (198) [system] (-)='{'
   Call: (198) [system] (-)='"'
   Fail: (198) [system] (-)='"'
   Call: (198) [system] (-)=!
   Fail: (198) [system] (-)=!
   Call: (198) [system] (-)='\''
   Fail: (198) [system] (-)='\''
   Call: (198) [system] (-)='`'
   Fail: (198) [system] (-)='`'
   Call: (198) [system] (-)=end_of_file
   Fail: (198) [system] (-)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x563acd73bee0), -, _518024)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _553534)
   Call: (200) [system] peek_char((0x563acd73bee0), _554468)
   Exit: (200) [system] peek_char((0x563acd73bee0), >)
^  Call: (200) [user] is_delimiter(>)
   Call: (201) [system] char_type(>, space)
   Fail: (201) [system] char_type(>, space)
   Call: (201) [system] arg(_559188, v('(', ')', end_of_file), >)
   Fail: (201) [system] arg(_560120, v('(', ')', end_of_file), >)
^  Fail: (200) [user] is_delimiter(>)
   Call: (200) [system] ')'==(>)
   Fail: (200) [system] ')'==(>)
   Call: (200) [system] get_char((0x563acd73bee0), >)
   Exit: (200) [system] get_char((0x563acd73bee0), >)
   Call: (200) [system] (>)=(\)
   Fail: (200) [system] (>)=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _567470)
   Call: (201) [system] peek_char((0x563acd73bee0), _568404)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (201) [user] is_delimiter(' ')
   Call: (202) [system] char_type(' ', space)
   Exit: (202) [system] char_type(' ', space)
^  Exit: (201) [user] is_delimiter(' ')
   Call: (201) [system] _567470=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (200) [system] _553534=[>]
   Exit: (200) [system] [>]=[>]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [>])
^  Call: (199) [user] classify_and_convert_charseq([-, >], _518024)
^  Call: (200) [user] classify_and_convert_charseq_([-, >], _580482)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_581434, _581436), once(user:catch(read_from_chars([-, >], _580482), _581416, fail)), '$restore_trace'(_581434, _581436))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_581434, _581436))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _581416, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(->)
   Exit: (201) [system] atomic(->)
^  Exit: (200) [user] classify_and_convert_charseq_([-, >], ->)
   Call: (200) [system] integer(->)
   Fail: (200) [system] integer(->)
   Call: (200) [system] _518024=(->)
   Exit: (200) [system] (->)=(->)
^  Exit: (199) [user] classify_and_convert_charseq([-, >], ->)
^  Exit: (198) [user] read_symbolic(')', (0x563acd73bee0), -, ->)
^  Exit: (197) [user] cont_sexpr(')', (0x563acd73bee0), ->)
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _593562)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _595420)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x563acd73bee0), _605014)
   Exit: (199) [system] get_char((0x563acd73bee0), ' ')
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _607718)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _624652)
   Exit: (198) [system] peek_char((0x563acd73bee0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x563acd73bee0), _630222)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _632080)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] get_char((0x563acd73bee0), _648090)
   Exit: (199) [system] get_char((0x563acd73bee0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x563acd73bee0), $, _630222)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _665732)
   Call: (201) [system] peek_char((0x563acd73bee0), _666666)
   Exit: (201) [system] peek_char((0x563acd73bee0), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_671386, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_672318, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x563acd73bee0), p)
   Exit: (201) [system] get_char((0x563acd73bee0), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _679668)
   Call: (202) [system] peek_char((0x563acd73bee0), _680602)
   Exit: (202) [system] peek_char((0x563acd73bee0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_685322, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_686254, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x563acd73bee0), r)
   Exit: (202) [system] get_char((0x563acd73bee0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _693604)
   Call: (203) [system] peek_char((0x563acd73bee0), _694538)
   Exit: (203) [system] peek_char((0x563acd73bee0), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Fail: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_699258, v('(', ')', end_of_file), e)
   Fail: (204) [system] arg(_700190, v('(', ')', end_of_file), e)
^  Fail: (203) [user] is_delimiter(e)
   Call: (203) [system] ')'==e
   Fail: (203) [system] ')'==e
   Call: (203) [system] get_char((0x563acd73bee0), e)
   Exit: (203) [system] get_char((0x563acd73bee0), e)
   Call: (203) [system] e=(\)
   Fail: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _707540)
   Call: (204) [system] peek_char((0x563acd73bee0), _708474)
   Exit: (204) [system] peek_char((0x563acd73bee0), m)
^  Call: (204) [user] is_delimiter(m)
   Call: (205) [system] char_type(m, space)
   Fail: (205) [system] char_type(m, space)
   Call: (205) [system] arg(_713194, v('(', ')', end_of_file), m)
   Fail: (205) [system] arg(_714126, v('(', ')', end_of_file), m)
^  Fail: (204) [user] is_delimiter(m)
   Call: (204) [system] ')'==m
   Fail: (204) [system] ')'==m
   Call: (204) [system] get_char((0x563acd73bee0), m)
   Exit: (204) [system] get_char((0x563acd73bee0), m)
   Call: (204) [system] m=(\)
   Fail: (204) [system] m=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _721476)
   Call: (205) [system] peek_char((0x563acd73bee0), _722410)
   Exit: (205) [system] peek_char((0x563acd73bee0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_727130, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_728062, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x563acd73bee0), i)
   Exit: (205) [system] get_char((0x563acd73bee0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _735412)
   Call: (206) [system] peek_char((0x563acd73bee0), _736346)
   Exit: (206) [system] peek_char((0x563acd73bee0), s)
^  Call: (206) [user] is_delimiter(s)
   Call: (207) [system] char_type(s, space)
   Fail: (207) [system] char_type(s, space)
   Call: (207) [system] arg(_741066, v('(', ')', end_of_file), s)
   Fail: (207) [system] arg(_741998, v('(', ')', end_of_file), s)
^  Fail: (206) [user] is_delimiter(s)
   Call: (206) [system] ')'==s
   Fail: (206) [system] ')'==s
   Call: (206) [system] get_char((0x563acd73bee0), s)
   Exit: (206) [system] get_char((0x563acd73bee0), s)
   Call: (206) [system] s=(\)
   Fail: (206) [system] s=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _749348)
   Call: (207) [system] peek_char((0x563acd73bee0), _750282)
   Exit: (207) [system] peek_char((0x563acd73bee0), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_755002, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_755934, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x563acd73bee0), e)
   Exit: (207) [system] get_char((0x563acd73bee0), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _763284)
   Call: (208) [system] peek_char((0x563acd73bee0), _764218)
   Exit: (208) [system] peek_char((0x563acd73bee0), '1')
^  Call: (208) [user] is_delimiter('1')
   Call: (209) [system] char_type('1', space)
   Fail: (209) [system] char_type('1', space)
   Call: (209) [system] arg(_768938, v('(', ')', end_of_file), '1')
   Fail: (209) [system] arg(_769870, v('(', ')', end_of_file), '1')
^  Fail: (208) [user] is_delimiter('1')
   Call: (208) [system] ')'=='1'
   Fail: (208) [system] ')'=='1'
   Call: (208) [system] get_char((0x563acd73bee0), '1')
   Exit: (208) [system] get_char((0x563acd73bee0), '1')
   Call: (208) [system] '1'=(\)
   Fail: (208) [system] '1'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _777220)
   Call: (209) [system] peek_char((0x563acd73bee0), _778154)
   Exit: (209) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _777220=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (208) [system] _763284=['1']
   Exit: (208) [system] ['1']=['1']
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), ['1'])
   Call: (207) [system] _749348=[e, '1']
   Exit: (207) [system] [e, '1']=[e, '1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, '1'])
   Call: (206) [system] _735412=[s, e, '1']
   Exit: (206) [system] [s, e, '1']=[s, e, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, e, '1'])
   Call: (205) [system] _721476=[i, s, e, '1']
   Exit: (205) [system] [i, s, e, '1']=[i, s, e, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, e, '1'])
   Call: (204) [system] _707540=[m, i, s, e, '1']
   Exit: (204) [system] [m, i, s, e, '1']=[m, i, s, e, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, i, s, e, '1'])
   Call: (203) [system] _693604=[e, m, i, s, e, '1']
   Exit: (203) [system] [e, m, i, s, e, '1']=[e, m, i, s, e, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, m, i, s, e, '1'])
   Call: (202) [system] _679668=[r, e, m, i, s, e, '1']
   Exit: (202) [system] [r, e, m, i, s, e, '1']=[r, e, m, i, s, e, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, e, m, i, s, e, '1'])
   Call: (201) [system] _665732=[p, r, e, m, i, s, e, '1']
   Exit: (201) [system] [p, r, e, m, i, s, e, '1']=[p, r, e, m, i, s, e, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, e, m, i, s, e, '1'])
^  Call: (200) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _630222)
^  Call: (201) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _809790)
   Call: (202) [system] atom_chars(_810722, ['_', p, r, e, m, i, s, e, '1'])
   Exit: (202) [system] atom_chars('_premise1', ['_', p, r, e, m, i, s, e, '1'])
^  Exit: (201) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _premise1)
   Call: (201) [system] integer(_premise1)
   Fail: (201) [system] integer(_premise1)
   Call: (201) [system] _630222=_premise1
   Exit: (201) [system] _premise1=_premise1
^  Exit: (200) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _premise1)
^  Exit: (199) [user] read_symbolic(')', (0x563acd73bee0), $, _premise1)
^  Exit: (198) [user] cont_sexpr(')', (0x563acd73bee0), _premise1)
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _820014)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _821872)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x563acd73bee0), _831466)
   Exit: (200) [system] get_char((0x563acd73bee0), ' ')
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _834170)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _851104)
   Exit: (199) [system] peek_char((0x563acd73bee0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x563acd73bee0), _856674)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _858532)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] get_char((0x563acd73bee0), _874542)
   Exit: (200) [system] get_char((0x563acd73bee0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x563acd73bee0), $, _856674)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _892184)
   Call: (202) [system] peek_char((0x563acd73bee0), _893118)
   Exit: (202) [system] peek_char((0x563acd73bee0), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Fail: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_897838, v('(', ')', end_of_file), p)
   Fail: (203) [system] arg(_898770, v('(', ')', end_of_file), p)
^  Fail: (202) [user] is_delimiter(p)
   Call: (202) [system] ')'==p
   Fail: (202) [system] ')'==p
   Call: (202) [system] get_char((0x563acd73bee0), p)
   Exit: (202) [system] get_char((0x563acd73bee0), p)
   Call: (202) [system] p=(\)
   Fail: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _906120)
   Call: (203) [system] peek_char((0x563acd73bee0), _907054)
   Exit: (203) [system] peek_char((0x563acd73bee0), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_911774, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_912706, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x563acd73bee0), r)
   Exit: (203) [system] get_char((0x563acd73bee0), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _920056)
   Call: (204) [system] peek_char((0x563acd73bee0), _920990)
   Exit: (204) [system] peek_char((0x563acd73bee0), e)
^  Call: (204) [user] is_delimiter(e)
   Call: (205) [system] char_type(e, space)
   Fail: (205) [system] char_type(e, space)
   Call: (205) [system] arg(_925710, v('(', ')', end_of_file), e)
   Fail: (205) [system] arg(_926642, v('(', ')', end_of_file), e)
^  Fail: (204) [user] is_delimiter(e)
   Call: (204) [system] ')'==e
   Fail: (204) [system] ')'==e
   Call: (204) [system] get_char((0x563acd73bee0), e)
   Exit: (204) [system] get_char((0x563acd73bee0), e)
   Call: (204) [system] e=(\)
   Fail: (204) [system] e=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _933992)
   Call: (205) [system] peek_char((0x563acd73bee0), _934926)
   Exit: (205) [system] peek_char((0x563acd73bee0), m)
^  Call: (205) [user] is_delimiter(m)
   Call: (206) [system] char_type(m, space)
   Fail: (206) [system] char_type(m, space)
   Call: (206) [system] arg(_939646, v('(', ')', end_of_file), m)
   Fail: (206) [system] arg(_940578, v('(', ')', end_of_file), m)
^  Fail: (205) [user] is_delimiter(m)
   Call: (205) [system] ')'==m
   Fail: (205) [system] ')'==m
   Call: (205) [system] get_char((0x563acd73bee0), m)
   Exit: (205) [system] get_char((0x563acd73bee0), m)
   Call: (205) [system] m=(\)
   Fail: (205) [system] m=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _947928)
   Call: (206) [system] peek_char((0x563acd73bee0), _948862)
   Exit: (206) [system] peek_char((0x563acd73bee0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_953582, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_954514, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x563acd73bee0), i)
   Exit: (206) [system] get_char((0x563acd73bee0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _961864)
   Call: (207) [system] peek_char((0x563acd73bee0), _962798)
   Exit: (207) [system] peek_char((0x563acd73bee0), s)
^  Call: (207) [user] is_delimiter(s)
   Call: (208) [system] char_type(s, space)
   Fail: (208) [system] char_type(s, space)
   Call: (208) [system] arg(_967518, v('(', ')', end_of_file), s)
   Fail: (208) [system] arg(_968450, v('(', ')', end_of_file), s)
^  Fail: (207) [user] is_delimiter(s)
   Call: (207) [system] ')'==s
   Fail: (207) [system] ')'==s
   Call: (207) [system] get_char((0x563acd73bee0), s)
   Exit: (207) [system] get_char((0x563acd73bee0), s)
   Call: (207) [system] s=(\)
   Fail: (207) [system] s=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _975800)
   Call: (208) [system] peek_char((0x563acd73bee0), _976734)
   Exit: (208) [system] peek_char((0x563acd73bee0), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Fail: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_981454, v('(', ')', end_of_file), e)
   Fail: (209) [system] arg(_982386, v('(', ')', end_of_file), e)
^  Fail: (208) [user] is_delimiter(e)
   Call: (208) [system] ')'==e
   Fail: (208) [system] ')'==e
   Call: (208) [system] get_char((0x563acd73bee0), e)
   Exit: (208) [system] get_char((0x563acd73bee0), e)
   Call: (208) [system] e=(\)
   Fail: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _989736)
   Call: (209) [system] peek_char((0x563acd73bee0), _990670)
   Exit: (209) [system] peek_char((0x563acd73bee0), '2')
^  Call: (209) [user] is_delimiter('2')
   Call: (210) [system] char_type('2', space)
   Fail: (210) [system] char_type('2', space)
   Call: (210) [system] arg(_995390, v('(', ')', end_of_file), '2')
   Fail: (210) [system] arg(_996322, v('(', ')', end_of_file), '2')
^  Fail: (209) [user] is_delimiter('2')
   Call: (209) [system] ')'=='2'
   Fail: (209) [system] ')'=='2'
   Call: (209) [system] get_char((0x563acd73bee0), '2')
   Exit: (209) [system] get_char((0x563acd73bee0), '2')
   Call: (209) [system] '2'=(\)
   Fail: (209) [system] '2'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1003672)
   Call: (210) [system] peek_char((0x563acd73bee0), _1004606)
   Exit: (210) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1003672=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (209) [system] _989736=['2']
   Exit: (209) [system] ['2']=['2']
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), ['2'])
   Call: (208) [system] _975800=[e, '2']
   Exit: (208) [system] [e, '2']=[e, '2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, '2'])
   Call: (207) [system] _961864=[s, e, '2']
   Exit: (207) [system] [s, e, '2']=[s, e, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, e, '2'])
   Call: (206) [system] _947928=[i, s, e, '2']
   Exit: (206) [system] [i, s, e, '2']=[i, s, e, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, e, '2'])
   Call: (205) [system] _933992=[m, i, s, e, '2']
   Exit: (205) [system] [m, i, s, e, '2']=[m, i, s, e, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, i, s, e, '2'])
   Call: (204) [system] _920056=[e, m, i, s, e, '2']
   Exit: (204) [system] [e, m, i, s, e, '2']=[e, m, i, s, e, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, m, i, s, e, '2'])
   Call: (203) [system] _906120=[r, e, m, i, s, e, '2']
   Exit: (203) [system] [r, e, m, i, s, e, '2']=[r, e, m, i, s, e, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, e, m, i, s, e, '2'])
   Call: (202) [system] _892184=[p, r, e, m, i, s, e, '2']
   Exit: (202) [system] [p, r, e, m, i, s, e, '2']=[p, r, e, m, i, s, e, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, e, m, i, s, e, '2'])
^  Call: (201) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _856674)
^  Call: (202) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _1036242)
   Call: (203) [system] atom_chars(_1037174, ['_', p, r, e, m, i, s, e, '2'])
   Exit: (203) [system] atom_chars('_premise2', ['_', p, r, e, m, i, s, e, '2'])
^  Exit: (202) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _premise2)
   Call: (202) [system] integer(_premise2)
   Fail: (202) [system] integer(_premise2)
   Call: (202) [system] _856674=_premise2
   Exit: (202) [system] _premise2=_premise2
^  Exit: (201) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _premise2)
^  Exit: (200) [user] read_symbolic(')', (0x563acd73bee0), $, _premise2)
^  Exit: (199) [user] cont_sexpr(')', (0x563acd73bee0), _premise2)
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _1046466)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1048324)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _1057918)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1060622)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1077556)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x563acd73bee0), _1083126)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1084984)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] get_char((0x563acd73bee0), _1100994)
   Exit: (201) [system] get_char((0x563acd73bee0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x563acd73bee0), $, _1083126)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1118636)
   Call: (203) [system] peek_char((0x563acd73bee0), _1119570)
   Exit: (203) [system] peek_char((0x563acd73bee0), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Fail: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_1124290, v('(', ')', end_of_file), p)
   Fail: (204) [system] arg(_1125222, v('(', ')', end_of_file), p)
^  Fail: (203) [user] is_delimiter(p)
   Call: (203) [system] ')'==p
   Fail: (203) [system] ')'==p
   Call: (203) [system] get_char((0x563acd73bee0), p)
   Exit: (203) [system] get_char((0x563acd73bee0), p)
   Call: (203) [system] p=(\)
   Fail: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1132572)
   Call: (204) [system] peek_char((0x563acd73bee0), _1133506)
   Exit: (204) [system] peek_char((0x563acd73bee0), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_1138226, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_1139158, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x563acd73bee0), r)
   Exit: (204) [system] get_char((0x563acd73bee0), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1146508)
   Call: (205) [system] peek_char((0x563acd73bee0), _1147442)
   Exit: (205) [system] peek_char((0x563acd73bee0), e)
^  Call: (205) [user] is_delimiter(e)
   Call: (206) [system] char_type(e, space)
   Fail: (206) [system] char_type(e, space)
   Call: (206) [system] arg(_1152162, v('(', ')', end_of_file), e)
   Fail: (206) [system] arg(_1153094, v('(', ')', end_of_file), e)
^  Fail: (205) [user] is_delimiter(e)
   Call: (205) [system] ')'==e
   Fail: (205) [system] ')'==e
   Call: (205) [system] get_char((0x563acd73bee0), e)
   Exit: (205) [system] get_char((0x563acd73bee0), e)
   Call: (205) [system] e=(\)
   Fail: (205) [system] e=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1160444)
   Call: (206) [system] peek_char((0x563acd73bee0), _1161378)
   Exit: (206) [system] peek_char((0x563acd73bee0), m)
^  Call: (206) [user] is_delimiter(m)
   Call: (207) [system] char_type(m, space)
   Fail: (207) [system] char_type(m, space)
   Call: (207) [system] arg(_1166098, v('(', ')', end_of_file), m)
   Fail: (207) [system] arg(_1167030, v('(', ')', end_of_file), m)
^  Fail: (206) [user] is_delimiter(m)
   Call: (206) [system] ')'==m
   Fail: (206) [system] ')'==m
   Call: (206) [system] get_char((0x563acd73bee0), m)
   Exit: (206) [system] get_char((0x563acd73bee0), m)
   Call: (206) [system] m=(\)
   Fail: (206) [system] m=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1174380)
   Call: (207) [system] peek_char((0x563acd73bee0), _1175314)
   Exit: (207) [system] peek_char((0x563acd73bee0), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Fail: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_1180034, v('(', ')', end_of_file), i)
   Fail: (208) [system] arg(_1180966, v('(', ')', end_of_file), i)
^  Fail: (207) [user] is_delimiter(i)
   Call: (207) [system] ')'==i
   Fail: (207) [system] ')'==i
   Call: (207) [system] get_char((0x563acd73bee0), i)
   Exit: (207) [system] get_char((0x563acd73bee0), i)
   Call: (207) [system] i=(\)
   Fail: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1188316)
   Call: (208) [system] peek_char((0x563acd73bee0), _1189250)
   Exit: (208) [system] peek_char((0x563acd73bee0), s)
^  Call: (208) [user] is_delimiter(s)
   Call: (209) [system] char_type(s, space)
   Fail: (209) [system] char_type(s, space)
   Call: (209) [system] arg(_1193970, v('(', ')', end_of_file), s)
   Fail: (209) [system] arg(_1194902, v('(', ')', end_of_file), s)
^  Fail: (208) [user] is_delimiter(s)
   Call: (208) [system] ')'==s
   Fail: (208) [system] ')'==s
   Call: (208) [system] get_char((0x563acd73bee0), s)
   Exit: (208) [system] get_char((0x563acd73bee0), s)
   Call: (208) [system] s=(\)
   Fail: (208) [system] s=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1202252)
   Call: (209) [system] peek_char((0x563acd73bee0), _1203186)
   Exit: (209) [system] peek_char((0x563acd73bee0), e)
^  Call: (209) [user] is_delimiter(e)
   Call: (210) [system] char_type(e, space)
   Fail: (210) [system] char_type(e, space)
   Call: (210) [system] arg(_1207906, v('(', ')', end_of_file), e)
   Fail: (210) [system] arg(_1208838, v('(', ')', end_of_file), e)
^  Fail: (209) [user] is_delimiter(e)
   Call: (209) [system] ')'==e
   Fail: (209) [system] ')'==e
   Call: (209) [system] get_char((0x563acd73bee0), e)
   Exit: (209) [system] get_char((0x563acd73bee0), e)
   Call: (209) [system] e=(\)
   Fail: (209) [system] e=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1216188)
   Call: (210) [system] peek_char((0x563acd73bee0), _1217122)
   Exit: (210) [system] peek_char((0x563acd73bee0), '3')
^  Call: (210) [user] is_delimiter('3')
   Call: (211) [system] char_type('3', space)
   Fail: (211) [system] char_type('3', space)
   Call: (211) [system] arg(_1221842, v('(', ')', end_of_file), '3')
   Fail: (211) [system] arg(_1222774, v('(', ')', end_of_file), '3')
^  Fail: (210) [user] is_delimiter('3')
   Call: (210) [system] ')'=='3'
   Fail: (210) [system] ')'=='3'
   Call: (210) [system] get_char((0x563acd73bee0), '3')
   Exit: (210) [system] get_char((0x563acd73bee0), '3')
   Call: (210) [system] '3'=(\)
   Fail: (210) [system] '3'=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1230124)
   Call: (211) [system] peek_char((0x563acd73bee0), _1231058)
   Exit: (211) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _1230124=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (210) [system] _1216188=['3']
   Exit: (210) [system] ['3']=['3']
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), ['3'])
   Call: (209) [system] _1202252=[e, '3']
   Exit: (209) [system] [e, '3']=[e, '3']
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, '3'])
   Call: (208) [system] _1188316=[s, e, '3']
   Exit: (208) [system] [s, e, '3']=[s, e, '3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, e, '3'])
   Call: (207) [system] _1174380=[i, s, e, '3']
   Exit: (207) [system] [i, s, e, '3']=[i, s, e, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, e, '3'])
   Call: (206) [system] _1160444=[m, i, s, e, '3']
   Exit: (206) [system] [m, i, s, e, '3']=[m, i, s, e, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, i, s, e, '3'])
   Call: (205) [system] _1146508=[e, m, i, s, e, '3']
   Exit: (205) [system] [e, m, i, s, e, '3']=[e, m, i, s, e, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, m, i, s, e, '3'])
   Call: (204) [system] _1132572=[r, e, m, i, s, e, '3']
   Exit: (204) [system] [r, e, m, i, s, e, '3']=[r, e, m, i, s, e, '3']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, e, m, i, s, e, '3'])
   Call: (203) [system] _1118636=[p, r, e, m, i, s, e, '3']
   Exit: (203) [system] [p, r, e, m, i, s, e, '3']=[p, r, e, m, i, s, e, '3']
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, e, m, i, s, e, '3'])
^  Call: (202) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '3'], _1083126)
^  Call: (203) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '3'], _1262694)
   Call: (204) [system] atom_chars(_1263626, ['_', p, r, e, m, i, s, e, '3'])
   Exit: (204) [system] atom_chars('_premise3', ['_', p, r, e, m, i, s, e, '3'])
^  Exit: (203) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '3'], _premise3)
   Call: (203) [system] integer(_premise3)
   Fail: (203) [system] integer(_premise3)
   Call: (203) [system] _1083126=_premise3
   Exit: (203) [system] _premise3=_premise3
^  Exit: (202) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '3'], _premise3)
^  Exit: (201) [user] read_symbolic(')', (0x563acd73bee0), $, _premise3)
^  Exit: (200) [user] cont_sexpr(')', (0x563acd73bee0), _premise3)
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _1272918)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1274776)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x563acd73bee0), _1284370)
   Exit: (202) [system] get_char((0x563acd73bee0), ' ')
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1287074)
   Exit: (203) [system] peek_char((0x563acd73bee0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1304008)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x563acd73bee0), _1309578)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1311436)
   Exit: (203) [system] peek_char((0x563acd73bee0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] get_char((0x563acd73bee0), _1327446)
   Exit: (202) [system] get_char((0x563acd73bee0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x563acd73bee0), $, _1309578)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1345088)
   Call: (204) [system] peek_char((0x563acd73bee0), _1346022)
   Exit: (204) [system] peek_char((0x563acd73bee0), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Fail: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_1350742, v('(', ')', end_of_file), p)
   Fail: (205) [system] arg(_1351674, v('(', ')', end_of_file), p)
^  Fail: (204) [user] is_delimiter(p)
   Call: (204) [system] ')'==p
   Fail: (204) [system] ')'==p
   Call: (204) [system] get_char((0x563acd73bee0), p)
   Exit: (204) [system] get_char((0x563acd73bee0), p)
   Call: (204) [system] p=(\)
   Fail: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1359024)
   Call: (205) [system] peek_char((0x563acd73bee0), _1359958)
   Exit: (205) [system] peek_char((0x563acd73bee0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_1364678, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_1365610, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x563acd73bee0), r)
   Exit: (205) [system] get_char((0x563acd73bee0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1372960)
   Call: (206) [system] peek_char((0x563acd73bee0), _1373894)
   Exit: (206) [system] peek_char((0x563acd73bee0), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Fail: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_1378614, v('(', ')', end_of_file), e)
   Fail: (207) [system] arg(_1379546, v('(', ')', end_of_file), e)
^  Fail: (206) [user] is_delimiter(e)
   Call: (206) [system] ')'==e
   Fail: (206) [system] ')'==e
   Call: (206) [system] get_char((0x563acd73bee0), e)
   Exit: (206) [system] get_char((0x563acd73bee0), e)
   Call: (206) [system] e=(\)
   Fail: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1386896)
   Call: (207) [system] peek_char((0x563acd73bee0), _1387830)
   Exit: (207) [system] peek_char((0x563acd73bee0), m)
^  Call: (207) [user] is_delimiter(m)
   Call: (208) [system] char_type(m, space)
   Fail: (208) [system] char_type(m, space)
   Call: (208) [system] arg(_1392550, v('(', ')', end_of_file), m)
   Fail: (208) [system] arg(_1393482, v('(', ')', end_of_file), m)
^  Fail: (207) [user] is_delimiter(m)
   Call: (207) [system] ')'==m
   Fail: (207) [system] ')'==m
   Call: (207) [system] get_char((0x563acd73bee0), m)
   Exit: (207) [system] get_char((0x563acd73bee0), m)
   Call: (207) [system] m=(\)
   Fail: (207) [system] m=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1400832)
   Call: (208) [system] peek_char((0x563acd73bee0), _1401766)
   Exit: (208) [system] peek_char((0x563acd73bee0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_1406486, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_1407418, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x563acd73bee0), i)
   Exit: (208) [system] get_char((0x563acd73bee0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1414768)
   Call: (209) [system] peek_char((0x563acd73bee0), _1415702)
   Exit: (209) [system] peek_char((0x563acd73bee0), s)
^  Call: (209) [user] is_delimiter(s)
   Call: (210) [system] char_type(s, space)
   Fail: (210) [system] char_type(s, space)
   Call: (210) [system] arg(_1420422, v('(', ')', end_of_file), s)
   Fail: (210) [system] arg(_1421354, v('(', ')', end_of_file), s)
^  Fail: (209) [user] is_delimiter(s)
   Call: (209) [system] ')'==s
   Fail: (209) [system] ')'==s
   Call: (209) [system] get_char((0x563acd73bee0), s)
   Exit: (209) [system] get_char((0x563acd73bee0), s)
   Call: (209) [system] s=(\)
   Fail: (209) [system] s=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1428704)
   Call: (210) [system] peek_char((0x563acd73bee0), _1429638)
   Exit: (210) [system] peek_char((0x563acd73bee0), e)
^  Call: (210) [user] is_delimiter(e)
   Call: (211) [system] char_type(e, space)
   Fail: (211) [system] char_type(e, space)
   Call: (211) [system] arg(_1434358, v('(', ')', end_of_file), e)
   Fail: (211) [system] arg(_1435290, v('(', ')', end_of_file), e)
^  Fail: (210) [user] is_delimiter(e)
   Call: (210) [system] ')'==e
   Fail: (210) [system] ')'==e
   Call: (210) [system] get_char((0x563acd73bee0), e)
   Exit: (210) [system] get_char((0x563acd73bee0), e)
   Call: (210) [system] e=(\)
   Fail: (210) [system] e=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1442640)
   Call: (211) [system] peek_char((0x563acd73bee0), _1443574)
   Exit: (211) [system] peek_char((0x563acd73bee0), '4')
^  Call: (211) [user] is_delimiter('4')
   Call: (212) [system] char_type('4', space)
   Fail: (212) [system] char_type('4', space)
   Call: (212) [system] arg(_1448294, v('(', ')', end_of_file), '4')
   Fail: (212) [system] arg(_1449226, v('(', ')', end_of_file), '4')
^  Fail: (211) [user] is_delimiter('4')
   Call: (211) [system] ')'=='4'
   Fail: (211) [system] ')'=='4'
   Call: (211) [system] get_char((0x563acd73bee0), '4')
   Exit: (211) [system] get_char((0x563acd73bee0), '4')
   Call: (211) [system] '4'=(\)
   Fail: (211) [system] '4'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1456576)
   Call: (212) [system] peek_char((0x563acd73bee0), _1457510)
   Exit: (212) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _1456576=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (211) [system] _1442640=['4']
   Exit: (211) [system] ['4']=['4']
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), ['4'])
   Call: (210) [system] _1428704=[e, '4']
   Exit: (210) [system] [e, '4']=[e, '4']
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, '4'])
   Call: (209) [system] _1414768=[s, e, '4']
   Exit: (209) [system] [s, e, '4']=[s, e, '4']
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, e, '4'])
   Call: (208) [system] _1400832=[i, s, e, '4']
   Exit: (208) [system] [i, s, e, '4']=[i, s, e, '4']
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, e, '4'])
   Call: (207) [system] _1386896=[m, i, s, e, '4']
   Exit: (207) [system] [m, i, s, e, '4']=[m, i, s, e, '4']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, i, s, e, '4'])
   Call: (206) [system] _1372960=[e, m, i, s, e, '4']
   Exit: (206) [system] [e, m, i, s, e, '4']=[e, m, i, s, e, '4']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, m, i, s, e, '4'])
   Call: (205) [system] _1359024=[r, e, m, i, s, e, '4']
   Exit: (205) [system] [r, e, m, i, s, e, '4']=[r, e, m, i, s, e, '4']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, e, m, i, s, e, '4'])
   Call: (204) [system] _1345088=[p, r, e, m, i, s, e, '4']
   Exit: (204) [system] [p, r, e, m, i, s, e, '4']=[p, r, e, m, i, s, e, '4']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, e, m, i, s, e, '4'])
^  Call: (203) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '4'], _1309578)
^  Call: (204) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '4'], _1489146)
   Call: (205) [system] atom_chars(_1490078, ['_', p, r, e, m, i, s, e, '4'])
   Exit: (205) [system] atom_chars('_premise4', ['_', p, r, e, m, i, s, e, '4'])
^  Exit: (204) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '4'], _premise4)
   Call: (204) [system] integer(_premise4)
   Fail: (204) [system] integer(_premise4)
   Call: (204) [system] _1309578=_premise4
   Exit: (204) [system] _premise4=_premise4
^  Exit: (203) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '4'], _premise4)
^  Exit: (202) [user] read_symbolic(')', (0x563acd73bee0), $, _premise4)
^  Exit: (201) [user] cont_sexpr(')', (0x563acd73bee0), _premise4)
^  Call: (201) [user] read_list(')', (0x563acd73bee0), _1499370)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1501228)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x563acd73bee0), _1510822)
   Exit: (203) [system] get_char((0x563acd73bee0), ' ')
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1513526)
   Exit: (204) [system] peek_char((0x563acd73bee0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1530460)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=')'
   Fail: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x563acd73bee0), _1536030)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1537888)
   Exit: (204) [system] peek_char((0x563acd73bee0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] get_char((0x563acd73bee0), _1553898)
   Exit: (203) [system] get_char((0x563acd73bee0), $)
   Call: (203) [system] ($)='('
   Fail: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Fail: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Fail: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Fail: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Fail: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Fail: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Fail: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x563acd73bee0), $, _1536030)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1571540)
   Call: (205) [system] peek_char((0x563acd73bee0), _1572474)
   Exit: (205) [system] peek_char((0x563acd73bee0), p)
^  Call: (205) [user] is_delimiter(p)
   Call: (206) [system] char_type(p, space)
   Fail: (206) [system] char_type(p, space)
   Call: (206) [system] arg(_1577194, v('(', ')', end_of_file), p)
   Fail: (206) [system] arg(_1578126, v('(', ')', end_of_file), p)
^  Fail: (205) [user] is_delimiter(p)
   Call: (205) [system] ')'==p
   Fail: (205) [system] ')'==p
   Call: (205) [system] get_char((0x563acd73bee0), p)
   Exit: (205) [system] get_char((0x563acd73bee0), p)
   Call: (205) [system] p=(\)
   Fail: (205) [system] p=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1585476)
   Call: (206) [system] peek_char((0x563acd73bee0), _1586410)
   Exit: (206) [system] peek_char((0x563acd73bee0), r)
^  Call: (206) [user] is_delimiter(r)
   Call: (207) [system] char_type(r, space)
   Fail: (207) [system] char_type(r, space)
   Call: (207) [system] arg(_1591130, v('(', ')', end_of_file), r)
   Fail: (207) [system] arg(_1592062, v('(', ')', end_of_file), r)
^  Fail: (206) [user] is_delimiter(r)
   Call: (206) [system] ')'==r
   Fail: (206) [system] ')'==r
   Call: (206) [system] get_char((0x563acd73bee0), r)
   Exit: (206) [system] get_char((0x563acd73bee0), r)
   Call: (206) [system] r=(\)
   Fail: (206) [system] r=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1599412)
   Call: (207) [system] peek_char((0x563acd73bee0), _1600346)
   Exit: (207) [system] peek_char((0x563acd73bee0), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_1605066, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_1605998, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x563acd73bee0), e)
   Exit: (207) [system] get_char((0x563acd73bee0), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1613348)
   Call: (208) [system] peek_char((0x563acd73bee0), _1614282)
   Exit: (208) [system] peek_char((0x563acd73bee0), m)
^  Call: (208) [user] is_delimiter(m)
   Call: (209) [system] char_type(m, space)
   Fail: (209) [system] char_type(m, space)
   Call: (209) [system] arg(_1619002, v('(', ')', end_of_file), m)
   Fail: (209) [system] arg(_1619934, v('(', ')', end_of_file), m)
^  Fail: (208) [user] is_delimiter(m)
   Call: (208) [system] ')'==m
   Fail: (208) [system] ')'==m
   Call: (208) [system] get_char((0x563acd73bee0), m)
   Exit: (208) [system] get_char((0x563acd73bee0), m)
   Call: (208) [system] m=(\)
   Fail: (208) [system] m=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1627284)
   Call: (209) [system] peek_char((0x563acd73bee0), _1628218)
   Exit: (209) [system] peek_char((0x563acd73bee0), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_1632938, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_1633870, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x563acd73bee0), i)
   Exit: (209) [system] get_char((0x563acd73bee0), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1641220)
   Call: (210) [system] peek_char((0x563acd73bee0), _1642154)
   Exit: (210) [system] peek_char((0x563acd73bee0), s)
^  Call: (210) [user] is_delimiter(s)
   Call: (211) [system] char_type(s, space)
   Fail: (211) [system] char_type(s, space)
   Call: (211) [system] arg(_1646874, v('(', ')', end_of_file), s)
   Fail: (211) [system] arg(_1647806, v('(', ')', end_of_file), s)
^  Fail: (210) [user] is_delimiter(s)
   Call: (210) [system] ')'==s
   Fail: (210) [system] ')'==s
   Call: (210) [system] get_char((0x563acd73bee0), s)
   Exit: (210) [system] get_char((0x563acd73bee0), s)
   Call: (210) [system] s=(\)
   Fail: (210) [system] s=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1655156)
   Call: (211) [system] peek_char((0x563acd73bee0), _1656090)
   Exit: (211) [system] peek_char((0x563acd73bee0), e)
^  Call: (211) [user] is_delimiter(e)
   Call: (212) [system] char_type(e, space)
   Fail: (212) [system] char_type(e, space)
   Call: (212) [system] arg(_1660810, v('(', ')', end_of_file), e)
   Fail: (212) [system] arg(_1661742, v('(', ')', end_of_file), e)
^  Fail: (211) [user] is_delimiter(e)
   Call: (211) [system] ')'==e
   Fail: (211) [system] ')'==e
   Call: (211) [system] get_char((0x563acd73bee0), e)
   Exit: (211) [system] get_char((0x563acd73bee0), e)
   Call: (211) [system] e=(\)
   Fail: (211) [system] e=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1669092)
   Call: (212) [system] peek_char((0x563acd73bee0), _1670026)
   Exit: (212) [system] peek_char((0x563acd73bee0), '5')
^  Call: (212) [user] is_delimiter('5')
   Call: (213) [system] char_type('5', space)
   Fail: (213) [system] char_type('5', space)
   Call: (213) [system] arg(_1674746, v('(', ')', end_of_file), '5')
   Fail: (213) [system] arg(_1675678, v('(', ')', end_of_file), '5')
^  Fail: (212) [user] is_delimiter('5')
   Call: (212) [system] ')'=='5'
   Fail: (212) [system] ')'=='5'
   Call: (212) [system] get_char((0x563acd73bee0), '5')
   Exit: (212) [system] get_char((0x563acd73bee0), '5')
   Call: (212) [system] '5'=(\)
   Fail: (212) [system] '5'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _1683028)
   Call: (213) [system] peek_char((0x563acd73bee0), _1683962)
   Exit: (213) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (213) [user] is_delimiter(' ')
   Call: (214) [system] char_type(' ', space)
   Exit: (214) [system] char_type(' ', space)
^  Exit: (213) [user] is_delimiter(' ')
   Call: (213) [system] _1683028=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (212) [system] _1669092=['5']
   Exit: (212) [system] ['5']=['5']
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), ['5'])
   Call: (211) [system] _1655156=[e, '5']
   Exit: (211) [system] [e, '5']=[e, '5']
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, '5'])
   Call: (210) [system] _1641220=[s, e, '5']
   Exit: (210) [system] [s, e, '5']=[s, e, '5']
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, e, '5'])
   Call: (209) [system] _1627284=[i, s, e, '5']
   Exit: (209) [system] [i, s, e, '5']=[i, s, e, '5']
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, e, '5'])
   Call: (208) [system] _1613348=[m, i, s, e, '5']
   Exit: (208) [system] [m, i, s, e, '5']=[m, i, s, e, '5']
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, i, s, e, '5'])
   Call: (207) [system] _1599412=[e, m, i, s, e, '5']
   Exit: (207) [system] [e, m, i, s, e, '5']=[e, m, i, s, e, '5']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, m, i, s, e, '5'])
   Call: (206) [system] _1585476=[r, e, m, i, s, e, '5']
   Exit: (206) [system] [r, e, m, i, s, e, '5']=[r, e, m, i, s, e, '5']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, e, m, i, s, e, '5'])
   Call: (205) [system] _1571540=[p, r, e, m, i, s, e, '5']
   Exit: (205) [system] [p, r, e, m, i, s, e, '5']=[p, r, e, m, i, s, e, '5']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, e, m, i, s, e, '5'])
^  Call: (204) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '5'], _1536030)
^  Call: (205) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '5'], _1715598)
   Call: (206) [system] atom_chars(_1716530, ['_', p, r, e, m, i, s, e, '5'])
   Exit: (206) [system] atom_chars('_premise5', ['_', p, r, e, m, i, s, e, '5'])
^  Exit: (205) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '5'], _premise5)
   Call: (205) [system] integer(_premise5)
   Fail: (205) [system] integer(_premise5)
   Call: (205) [system] _1536030=_premise5
   Exit: (205) [system] _premise5=_premise5
^  Exit: (204) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '5'], _premise5)
^  Exit: (203) [user] read_symbolic(')', (0x563acd73bee0), $, _premise5)
^  Exit: (202) [user] cont_sexpr(')', (0x563acd73bee0), _premise5)
^  Call: (202) [user] read_list(')', (0x563acd73bee0), _1725822)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1727680)
   Exit: (204) [system] peek_char((0x563acd73bee0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x563acd73bee0), _1737274)
   Exit: (204) [system] get_char((0x563acd73bee0), ' ')
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1739978)
   Exit: (205) [system] peek_char((0x563acd73bee0), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
   Call: (205) [system] ($)=(/)
   Fail: (205) [system] ($)=(/)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1756912)
   Exit: (203) [system] peek_char((0x563acd73bee0), $)
   Call: (203) [system] ($)=')'
   Fail: (203) [system] ($)=')'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x563acd73bee0), _1762482)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1764340)
   Exit: (205) [system] peek_char((0x563acd73bee0), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
   Call: (205) [system] ($)=(/)
   Fail: (205) [system] ($)=(/)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] get_char((0x563acd73bee0), _1780350)
   Exit: (204) [system] get_char((0x563acd73bee0), $)
   Call: (204) [system] ($)='('
   Fail: (204) [system] ($)='('
   Call: (204) [system] ($)='['
   Fail: (204) [system] ($)='['
   Call: (204) [system] ($)='{'
   Fail: (204) [system] ($)='{'
   Call: (204) [system] ($)='"'
   Fail: (204) [system] ($)='"'
   Call: (204) [system] ($)=!
   Fail: (204) [system] ($)=!
   Call: (204) [system] ($)='\''
   Fail: (204) [system] ($)='\''
   Call: (204) [system] ($)='`'
   Fail: (204) [system] ($)='`'
   Call: (204) [system] ($)=end_of_file
   Fail: (204) [system] ($)=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x563acd73bee0), $, _1762482)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1797992)
   Call: (206) [system] peek_char((0x563acd73bee0), _1798926)
   Exit: (206) [system] peek_char((0x563acd73bee0), c)
^  Call: (206) [user] is_delimiter(c)
   Call: (207) [system] char_type(c, space)
   Fail: (207) [system] char_type(c, space)
   Call: (207) [system] arg(_1803646, v('(', ')', end_of_file), c)
   Fail: (207) [system] arg(_1804578, v('(', ')', end_of_file), c)
^  Fail: (206) [user] is_delimiter(c)
   Call: (206) [system] ')'==c
   Fail: (206) [system] ')'==c
   Call: (206) [system] get_char((0x563acd73bee0), c)
   Exit: (206) [system] get_char((0x563acd73bee0), c)
   Call: (206) [system] c=(\)
   Fail: (206) [system] c=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1811928)
   Call: (207) [system] peek_char((0x563acd73bee0), _1812862)
   Exit: (207) [system] peek_char((0x563acd73bee0), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_1817582, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_1818514, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x563acd73bee0), o)
   Exit: (207) [system] get_char((0x563acd73bee0), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1825864)
   Call: (208) [system] peek_char((0x563acd73bee0), _1826798)
   Exit: (208) [system] peek_char((0x563acd73bee0), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Fail: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_1831518, v('(', ')', end_of_file), n)
   Fail: (209) [system] arg(_1832450, v('(', ')', end_of_file), n)
^  Fail: (208) [user] is_delimiter(n)
   Call: (208) [system] ')'==n
   Fail: (208) [system] ')'==n
   Call: (208) [system] get_char((0x563acd73bee0), n)
   Exit: (208) [system] get_char((0x563acd73bee0), n)
   Call: (208) [system] n=(\)
   Fail: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1839800)
   Call: (209) [system] peek_char((0x563acd73bee0), _1840734)
   Exit: (209) [system] peek_char((0x563acd73bee0), c)
^  Call: (209) [user] is_delimiter(c)
   Call: (210) [system] char_type(c, space)
   Fail: (210) [system] char_type(c, space)
   Call: (210) [system] arg(_1845454, v('(', ')', end_of_file), c)
   Fail: (210) [system] arg(_1846386, v('(', ')', end_of_file), c)
^  Fail: (209) [user] is_delimiter(c)
   Call: (209) [system] ')'==c
   Fail: (209) [system] ')'==c
   Call: (209) [system] get_char((0x563acd73bee0), c)
   Exit: (209) [system] get_char((0x563acd73bee0), c)
   Call: (209) [system] c=(\)
   Fail: (209) [system] c=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1853736)
   Call: (210) [system] peek_char((0x563acd73bee0), _1854670)
   Exit: (210) [system] peek_char((0x563acd73bee0), l)
^  Call: (210) [user] is_delimiter(l)
   Call: (211) [system] char_type(l, space)
   Fail: (211) [system] char_type(l, space)
   Call: (211) [system] arg(_1859390, v('(', ')', end_of_file), l)
   Fail: (211) [system] arg(_1860322, v('(', ')', end_of_file), l)
^  Fail: (210) [user] is_delimiter(l)
   Call: (210) [system] ')'==l
   Fail: (210) [system] ')'==l
   Call: (210) [system] get_char((0x563acd73bee0), l)
   Exit: (210) [system] get_char((0x563acd73bee0), l)
   Call: (210) [system] l=(\)
   Fail: (210) [system] l=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1867672)
   Call: (211) [system] peek_char((0x563acd73bee0), _1868606)
   Exit: (211) [system] peek_char((0x563acd73bee0), u)
^  Call: (211) [user] is_delimiter(u)
   Call: (212) [system] char_type(u, space)
   Fail: (212) [system] char_type(u, space)
   Call: (212) [system] arg(_1873326, v('(', ')', end_of_file), u)
   Fail: (212) [system] arg(_1874258, v('(', ')', end_of_file), u)
^  Fail: (211) [user] is_delimiter(u)
   Call: (211) [system] ')'==u
   Fail: (211) [system] ')'==u
   Call: (211) [system] get_char((0x563acd73bee0), u)
   Exit: (211) [system] get_char((0x563acd73bee0), u)
   Call: (211) [system] u=(\)
   Fail: (211) [system] u=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1881608)
   Call: (212) [system] peek_char((0x563acd73bee0), _1882542)
   Exit: (212) [system] peek_char((0x563acd73bee0), s)
^  Call: (212) [user] is_delimiter(s)
   Call: (213) [system] char_type(s, space)
   Fail: (213) [system] char_type(s, space)
   Call: (213) [system] arg(_1887262, v('(', ')', end_of_file), s)
   Fail: (213) [system] arg(_1888194, v('(', ')', end_of_file), s)
^  Fail: (212) [user] is_delimiter(s)
   Call: (212) [system] ')'==s
   Fail: (212) [system] ')'==s
   Call: (212) [system] get_char((0x563acd73bee0), s)
   Exit: (212) [system] get_char((0x563acd73bee0), s)
   Call: (212) [system] s=(\)
   Fail: (212) [system] s=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _1895544)
   Call: (213) [system] peek_char((0x563acd73bee0), _1896478)
   Exit: (213) [system] peek_char((0x563acd73bee0), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Fail: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_1901198, v('(', ')', end_of_file), i)
   Fail: (214) [system] arg(_1902130, v('(', ')', end_of_file), i)
^  Fail: (213) [user] is_delimiter(i)
   Call: (213) [system] ')'==i
   Fail: (213) [system] ')'==i
   Call: (213) [system] get_char((0x563acd73bee0), i)
   Exit: (213) [system] get_char((0x563acd73bee0), i)
   Call: (213) [system] i=(\)
   Fail: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _1909480)
   Call: (214) [system] peek_char((0x563acd73bee0), _1910414)
   Exit: (214) [system] peek_char((0x563acd73bee0), o)
^  Call: (214) [user] is_delimiter(o)
   Call: (215) [system] char_type(o, space)
   Fail: (215) [system] char_type(o, space)
   Call: (215) [system] arg(_1915134, v('(', ')', end_of_file), o)
   Fail: (215) [system] arg(_1916066, v('(', ')', end_of_file), o)
^  Fail: (214) [user] is_delimiter(o)
   Call: (214) [system] ')'==o
   Fail: (214) [system] ')'==o
   Call: (214) [system] get_char((0x563acd73bee0), o)
   Exit: (214) [system] get_char((0x563acd73bee0), o)
   Call: (214) [system] o=(\)
   Fail: (214) [system] o=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _1923416)
   Call: (215) [system] peek_char((0x563acd73bee0), _1924350)
   Exit: (215) [system] peek_char((0x563acd73bee0), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_1929070, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_1930002, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x563acd73bee0), n)
   Exit: (215) [system] get_char((0x563acd73bee0), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _1937352)
   Call: (216) [system] peek_char((0x563acd73bee0), _1938286)
   Exit: (216) [system] peek_char((0x563acd73bee0), ')')
^  Call: (216) [user] is_delimiter(')')
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] arg(_1943006, v('(', ')', end_of_file), ')')
   Exit: (217) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (216) [user] is_delimiter(')')
   Call: (216) [system] _1937352=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (215) [system] _1923416=[n]
   Exit: (215) [system] [n]=[n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (214) [system] _1909480=[o, n]
   Exit: (214) [system] [o, n]=[o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (213) [system] _1895544=[i, o, n]
   Exit: (213) [system] [i, o, n]=[i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (212) [system] _1881608=[s, i, o, n]
   Exit: (212) [system] [s, i, o, n]=[s, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, i, o, n])
   Call: (211) [system] _1867672=[u, s, i, o, n]
   Exit: (211) [system] [u, s, i, o, n]=[u, s, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, s, i, o, n])
   Call: (210) [system] _1853736=[l, u, s, i, o, n]
   Exit: (210) [system] [l, u, s, i, o, n]=[l, u, s, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, u, s, i, o, n])
   Call: (209) [system] _1839800=[c, l, u, s, i, o, n]
   Exit: (209) [system] [c, l, u, s, i, o, n]=[c, l, u, s, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, l, u, s, i, o, n])
   Call: (208) [system] _1825864=[n, c, l, u, s, i, o, n]
   Exit: (208) [system] [n, c, l, u, s, i, o, n]=[n, c, l, u, s, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, l, u, s, i, o, n])
   Call: (207) [system] _1811928=[o, n, c, l, u, s, i, o, n]
   Exit: (207) [system] [o, n, c, l, u, s, i, o, n]=[o, n, c, l, u, s, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, c, l, u, s, i, o, n])
   Call: (206) [system] _1797992=[c, o, n, c, l, u, s, i, o, n]
   Exit: (206) [system] [c, o, n, c, l, u, s, i, o, n]=[c, o, n, c, l, u, s, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, o, n, c, l, u, s, i, o, n])
^  Call: (205) [user] classify_and_convert_charseq([$, c, o, n, c, l, u, s, i, o, n], _1762482)
^  Call: (206) [user] classify_and_convert_charseq_([$, c, o, n, c, l, u, s, i, o, n], _1977382)
   Call: (207) [system] atom_chars(_1978314, ['_', c, o, n, c, l, u, s, i, o, n])
   Exit: (207) [system] atom_chars('_conclusion', ['_', c, o, n, c, l, u, s, i, o, n])
^  Exit: (206) [user] classify_and_convert_charseq_([$, c, o, n, c, l, u, s, i, o, n], _conclusion)
   Call: (206) [system] integer(_conclusion)
   Fail: (206) [system] integer(_conclusion)
   Call: (206) [system] _1762482=_conclusion
   Exit: (206) [system] _conclusion=_conclusion
^  Exit: (205) [user] classify_and_convert_charseq([$, c, o, n, c, l, u, s, i, o, n], _conclusion)
^  Exit: (204) [user] read_symbolic(')', (0x563acd73bee0), $, _conclusion)
^  Exit: (203) [user] cont_sexpr(')', (0x563acd73bee0), _conclusion)
^  Call: (203) [user] read_list(')', (0x563acd73bee0), _1987606)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1989464)
   Exit: (205) [system] peek_char((0x563acd73bee0), ')')
   Call: (205) [system] ')'=(;)
   Fail: (205) [system] ')'=(;)
   Call: (205) [system] ')'=(/)
   Fail: (205) [system] ')'=(/)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Fail: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Fail: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
   Fail: (206) [system] char_type(')', cntrl)
^  Fail: (205) [user] is_like_space(')')
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _2005474)
   Exit: (204) [system] peek_char((0x563acd73bee0), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x563acd73bee0), _2009264)
   Exit: (204) [system] get_char((0x563acd73bee0), ')')
   Call: (204) [system] _1987606=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x563acd73bee0), [])
   Call: (203) [system] _1725822=[_conclusion]
   Exit: (203) [system] [_conclusion]=[_conclusion]
^  Exit: (202) [user] read_list(')', (0x563acd73bee0), [_conclusion])
   Call: (202) [system] _1499370=[_premise5, _conclusion]
   Exit: (202) [system] [_premise5, _conclusion]=[_premise5, _conclusion]
^  Exit: (201) [user] read_list(')', (0x563acd73bee0), [_premise5, _conclusion])
   Call: (201) [system] _1272918=[_premise4, _premise5, _conclusion]
   Exit: (201) [system] [_premise4, _premise5, _conclusion]=[_premise4, _premise5, _conclusion]
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), [_premise4, _premise5, _conclusion])
   Call: (200) [system] _1046466=[_premise3, _premise4, _premise5, _conclusion]
   Exit: (200) [system] [_premise3, _premise4, _premise5, _conclusion]=[_premise3, _premise4, _premise5, _conclusion]
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), [_premise3, _premise4, _premise5, _conclusion])
   Call: (199) [system] _820014=[_premise2, _premise3, _premise4, _premise5, _conclusion]
   Exit: (199) [system] [_premise2, _premise3, _premise4, _premise5, _conclusion]=[_premise2, _premise3, _premise4, _premise5, _conclusion]
^  Exit: (198) [user] read_list(')', (0x563acd73bee0), [_premise2, _premise3, _premise4, _premise5, _conclusion])
   Call: (198) [system] _593562=[_premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]
   Exit: (198) [system] [_premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]=[_premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]
^  Exit: (197) [user] read_list(')', (0x563acd73bee0), [_premise1, _premise2, _premise3, _premise4, _premise5, _conclusion])
   Call: (197) [system] _473006=[->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]
   Exit: (197) [system] [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]=[->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]
^  Exit: (196) [user] read_list(')', (0x563acd73bee0), [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion])
^  Exit: (195) [user] cont_sexpr(')', (0x563acd73bee0), [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion])
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _2034322)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _2036180)
   Exit: (197) [system] peek_char((0x563acd73bee0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _2052190)
   Exit: (196) [system] peek_char((0x563acd73bee0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x563acd73bee0), _2055980)
   Exit: (196) [system] get_char((0x563acd73bee0), ')')
   Call: (196) [system] _2034322=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), [])
   Call: (195) [system] _436346=[[->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]]
   Exit: (195) [system] [[->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]]=[[->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]]
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), [[->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]])
   Call: (194) [system] _243354=[_ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]]
   Exit: (194) [system] [_ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]]=[_ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]]
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), [_ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]])
   Call: (193) [system] _139528=[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]]
   Exit: (193) [system] [:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]]=[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]]
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), [:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]])
^  Exit: (191) [user] cont_sexpr(')', (0x563acd73bee0), [:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]])
^  Call: (191) [user] read_list(')', (0x563acd73bee0), _2069862)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _2071720)
   Exit: (193) [system] peek_char((0x563acd73bee0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x563acd73bee0), _2081314)
   Exit: (193) [system] get_char((0x563acd73bee0), ' ')
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _2084018)
   Exit: (194) [system] peek_char((0x563acd73bee0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _7774)
   Exit: (192) [system] peek_char((0x563acd73bee0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x563acd73bee0), _13344)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _15202)
   Exit: (194) [system] peek_char((0x563acd73bee0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] get_char((0x563acd73bee0), _31212)
   Exit: (193) [system] get_char((0x563acd73bee0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _13344)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _36782)
   Exit: (195) [system] peek_char((0x563acd73bee0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _52792)
   Exit: (194) [system] peek_char((0x563acd73bee0), $)
   Call: (194) [system] ($)=')'
   Fail: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x563acd73bee0), _58362)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _60220)
   Exit: (196) [system] peek_char((0x563acd73bee0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] get_char((0x563acd73bee0), _76230)
   Exit: (195) [system] get_char((0x563acd73bee0), $)
   Call: (195) [system] ($)='('
   Fail: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Fail: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Fail: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Fail: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Fail: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Fail: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Fail: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x563acd73bee0), $, _58362)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _93872)
   Call: (197) [system] peek_char((0x563acd73bee0), _94806)
   Exit: (197) [system] peek_char((0x563acd73bee0), r)
^  Call: (197) [user] is_delimiter(r)
   Call: (198) [system] char_type(r, space)
   Fail: (198) [system] char_type(r, space)
   Call: (198) [system] arg(_99526, v('(', ')', end_of_file), r)
   Fail: (198) [system] arg(_100458, v('(', ')', end_of_file), r)
^  Fail: (197) [user] is_delimiter(r)
   Call: (197) [system] ')'==r
   Fail: (197) [system] ')'==r
   Call: (197) [system] get_char((0x563acd73bee0), r)
   Exit: (197) [system] get_char((0x563acd73bee0), r)
   Call: (197) [system] r=(\)
   Fail: (197) [system] r=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _107808)
   Call: (198) [system] peek_char((0x563acd73bee0), _108742)
   Exit: (198) [system] peek_char((0x563acd73bee0), b)
^  Call: (198) [user] is_delimiter(b)
   Call: (199) [system] char_type(b, space)
   Fail: (199) [system] char_type(b, space)
   Call: (199) [system] arg(_113462, v('(', ')', end_of_file), b)
   Fail: (199) [system] arg(_114394, v('(', ')', end_of_file), b)
^  Fail: (198) [user] is_delimiter(b)
   Call: (198) [system] ')'==b
   Fail: (198) [system] ')'==b
   Call: (198) [system] get_char((0x563acd73bee0), b)
   Exit: (198) [system] get_char((0x563acd73bee0), b)
   Call: (198) [system] b=(\)
   Fail: (198) [system] b=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _121744)
   Call: (199) [system] peek_char((0x563acd73bee0), _122678)
   Exit: (199) [system] peek_char((0x563acd73bee0), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_127398, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _121744=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (198) [system] _107808=[b]
   Exit: (198) [system] [b]=[b]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
   Call: (197) [system] _93872=[r, b]
   Exit: (197) [system] [r, b]=[r, b]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, b])
^  Call: (196) [user] classify_and_convert_charseq([$, r, b], _58362)
^  Call: (197) [user] classify_and_convert_charseq_([$, r, b], _139422)
   Call: (198) [system] atom_chars(_140354, ['_', r, b])
   Exit: (198) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (197) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (197) [system] integer(_rb)
   Fail: (197) [system] integer(_rb)
   Call: (197) [system] _58362=_rb
   Exit: (197) [system] _rb=_rb
^  Exit: (196) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (195) [user] read_symbolic(')', (0x563acd73bee0), $, _rb)
^  Exit: (194) [user] cont_sexpr(')', (0x563acd73bee0), _rb)
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _149646)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _151504)
   Exit: (196) [system] peek_char((0x563acd73bee0), ')')
   Call: (196) [system] ')'=(;)
   Fail: (196) [system] ')'=(;)
   Call: (196) [system] ')'=(/)
   Fail: (196) [system] ')'=(/)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Fail: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Fail: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
   Fail: (197) [system] char_type(')', cntrl)
^  Fail: (196) [user] is_like_space(')')
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _167514)
   Exit: (195) [system] peek_char((0x563acd73bee0), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x563acd73bee0), _171304)
   Exit: (195) [system] get_char((0x563acd73bee0), ')')
   Call: (195) [system] _149646=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), [])
   Call: (194) [system] _13344=[_rb]
   Exit: (194) [system] [_rb]=[_rb]
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), [_rb])
^  Exit: (192) [user] cont_sexpr(')', (0x563acd73bee0), [_rb])
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _179598)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _181456)
   Exit: (194) [system] peek_char((0x563acd73bee0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
   Call: (194) [system] ')'=(/)
   Fail: (194) [system] ')'=(/)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _197466)
   Exit: (193) [system] peek_char((0x563acd73bee0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x563acd73bee0), _201256)
   Exit: (193) [system] get_char((0x563acd73bee0), ')')
   Call: (193) [system] _179598=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), [])
   Call: (192) [system] _3544=[[_rb]]
   Exit: (192) [system] [[_rb]]=[[_rb]]
^  Exit: (191) [user] read_list(')', (0x563acd73bee0), [[_rb]])
   Call: (191) [system] _3448=[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]]
   Exit: (191) [system] [[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]]=[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]]
^  Exit: (190) [user] read_list(')', (0x563acd73bee0), [[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]])
^  Exit: (189) [user] cont_sexpr(')', (0x563acd73bee0), [[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]])
^  Call: (189) [user] read_list(')', (0x563acd73bee0), _212344)
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _214202)
   Exit: (191) [system] peek_char((0x563acd73bee0), '\n')
   Call: (191) [system] '\n'=(;)
   Fail: (191) [system] '\n'=(;)
   Call: (191) [system] '\n'=(/)
   Fail: (191) [system] '\n'=(/)
^  Call: (191) [user] is_like_space('\n')
   Call: (192) [system] char_type('\n', 'white')
   Fail: (192) [system] char_type('\n', 'white')
   Call: (192) [system] char_type('\n', end_of_line)
   Exit: (192) [system] char_type('\n', end_of_line)
^  Exit: (191) [user] is_like_space('\n')
   Call: (191) [system] get_char((0x563acd73bee0), _225652)
   Exit: (191) [system] get_char((0x563acd73bee0), '\n')
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _228356)
   Exit: (192) [system] peek_char((0x563acd73bee0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x563acd73bee0), _237950)
   Exit: (192) [system] get_char((0x563acd73bee0), ' ')
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _240654)
   Exit: (193) [system] peek_char((0x563acd73bee0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x563acd73bee0), _250248)
   Exit: (193) [system] get_char((0x563acd73bee0), ' ')
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _252952)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x563acd73bee0), _262546)
   Exit: (194) [system] get_char((0x563acd73bee0), ' ')
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _265250)
   Exit: (195) [system] peek_char((0x563acd73bee0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x563acd73bee0), _274844)
   Exit: (195) [system] get_char((0x563acd73bee0), ' ')
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _277548)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x563acd73bee0), _287142)
   Exit: (196) [system] get_char((0x563acd73bee0), ' ')
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _289846)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x563acd73bee0), _299440)
   Exit: (197) [system] get_char((0x563acd73bee0), ' ')
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _302144)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x563acd73bee0), _311738)
   Exit: (198) [system] get_char((0x563acd73bee0), ' ')
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _314442)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x563acd73bee0), _324036)
   Exit: (199) [system] get_char((0x563acd73bee0), ' ')
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _326740)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x563acd73bee0), _336334)
   Exit: (200) [system] get_char((0x563acd73bee0), ' ')
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _339038)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _348632)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _351336)
   Exit: (202) [system] peek_char((0x563acd73bee0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _377510)
   Exit: (190) [system] peek_char((0x563acd73bee0), '(')
   Call: (190) [system] '('=')'
   Fail: (190) [system] '('=')'
   Call: (190) [system] '('=end_of_file
   Fail: (190) [system] '('=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x563acd73bee0), _383080)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _384938)
   Exit: (192) [system] peek_char((0x563acd73bee0), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
   Call: (192) [system] '('=(/)
   Fail: (192) [system] '('=(/)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] get_char((0x563acd73bee0), _400948)
   Exit: (191) [system] get_char((0x563acd73bee0), '(')
   Call: (191) [system] '('='('
   Exit: (191) [system] '('='('
^  Call: (191) [user] read_list(')', (0x563acd73bee0), _383080)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _406518)
   Exit: (193) [system] peek_char((0x563acd73bee0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _422528)
   Exit: (192) [system] peek_char((0x563acd73bee0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x563acd73bee0), _428098)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _429956)
   Exit: (194) [system] peek_char((0x563acd73bee0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] get_char((0x563acd73bee0), _445966)
   Exit: (193) [system] get_char((0x563acd73bee0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _428098)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _451536)
   Exit: (195) [system] peek_char((0x563acd73bee0), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
   Call: (195) [system] (:)=(/)
   Fail: (195) [system] (:)=(/)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _467546)
   Exit: (194) [system] peek_char((0x563acd73bee0), :)
   Call: (194) [system] (:)=')'
   Fail: (194) [system] (:)=')'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x563acd73bee0), _473116)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _474974)
   Exit: (196) [system] peek_char((0x563acd73bee0), :)
   Call: (196) [system] (:)=(;)
   Fail: (196) [system] (:)=(;)
   Call: (196) [system] (:)=(/)
   Fail: (196) [system] (:)=(/)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Fail: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Fail: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Fail: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
   Fail: (197) [system] char_type(:, cntrl)
^  Fail: (196) [user] is_like_space(:)
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] get_char((0x563acd73bee0), _490984)
   Exit: (195) [system] get_char((0x563acd73bee0), :)
   Call: (195) [system] (:)='('
   Fail: (195) [system] (:)='('
   Call: (195) [system] (:)='['
   Fail: (195) [system] (:)='['
   Call: (195) [system] (:)='{'
   Fail: (195) [system] (:)='{'
   Call: (195) [system] (:)='"'
   Fail: (195) [system] (:)='"'
   Call: (195) [system] (:)=!
   Fail: (195) [system] (:)=!
   Call: (195) [system] (:)='\''
   Fail: (195) [system] (:)='\''
   Call: (195) [system] (:)='`'
   Fail: (195) [system] (:)='`'
   Call: (195) [system] (:)=end_of_file
   Fail: (195) [system] (:)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x563acd73bee0), :, _473116)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _508626)
   Call: (197) [system] peek_char((0x563acd73bee0), _509560)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _508626=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (196) [user] classify_and_convert_charseq([:], _473116)
^  Call: (197) [user] classify_and_convert_charseq_([:], _518844)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_519796, _519798), once(user:catch(read_from_chars([:], _518844), _519778, fail)), '$restore_trace'(_519796, _519798))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_519796, _519798))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _519778, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(:)
   Exit: (198) [system] atomic(:)
^  Exit: (197) [user] classify_and_convert_charseq_([:], :)
   Call: (197) [system] integer(:)
   Fail: (197) [system] integer(:)
   Call: (197) [system] _473116=(:)
   Exit: (197) [system] (:)=(:)
^  Exit: (196) [user] classify_and_convert_charseq([:], :)
^  Exit: (195) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (194) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _531924)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _533782)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x563acd73bee0), _543376)
   Exit: (196) [system] get_char((0x563acd73bee0), ' ')
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _546080)
   Exit: (197) [system] peek_char((0x563acd73bee0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _563014)
   Exit: (195) [system] peek_char((0x563acd73bee0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x563acd73bee0), _568584)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _570442)
   Exit: (197) [system] peek_char((0x563acd73bee0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] get_char((0x563acd73bee0), _586452)
   Exit: (196) [system] get_char((0x563acd73bee0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x563acd73bee0), _568584)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _592022)
   Exit: (198) [system] peek_char((0x563acd73bee0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _608032)
   Exit: (197) [system] peek_char((0x563acd73bee0), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x563acd73bee0), _613602)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _615460)
   Exit: (199) [system] peek_char((0x563acd73bee0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] get_char((0x563acd73bee0), _631470)
   Exit: (198) [system] get_char((0x563acd73bee0), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x563acd73bee0), $, _613602)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _649112)
   Call: (200) [system] peek_char((0x563acd73bee0), _650046)
   Exit: (200) [system] peek_char((0x563acd73bee0), r)
^  Call: (200) [user] is_delimiter(r)
   Call: (201) [system] char_type(r, space)
   Fail: (201) [system] char_type(r, space)
   Call: (201) [system] arg(_654766, v('(', ')', end_of_file), r)
   Fail: (201) [system] arg(_655698, v('(', ')', end_of_file), r)
^  Fail: (200) [user] is_delimiter(r)
   Call: (200) [system] ')'==r
   Fail: (200) [system] ')'==r
   Call: (200) [system] get_char((0x563acd73bee0), r)
   Exit: (200) [system] get_char((0x563acd73bee0), r)
   Call: (200) [system] r=(\)
   Fail: (200) [system] r=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _663048)
   Call: (201) [system] peek_char((0x563acd73bee0), _663982)
   Exit: (201) [system] peek_char((0x563acd73bee0), u)
^  Call: (201) [user] is_delimiter(u)
   Call: (202) [system] char_type(u, space)
   Fail: (202) [system] char_type(u, space)
   Call: (202) [system] arg(_668702, v('(', ')', end_of_file), u)
   Fail: (202) [system] arg(_669634, v('(', ')', end_of_file), u)
^  Fail: (201) [user] is_delimiter(u)
   Call: (201) [system] ')'==u
   Fail: (201) [system] ')'==u
   Call: (201) [system] get_char((0x563acd73bee0), u)
   Exit: (201) [system] get_char((0x563acd73bee0), u)
   Call: (201) [system] u=(\)
   Fail: (201) [system] u=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _676984)
   Call: (202) [system] peek_char((0x563acd73bee0), _677918)
   Exit: (202) [system] peek_char((0x563acd73bee0), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Fail: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_682638, v('(', ')', end_of_file), c)
   Fail: (203) [system] arg(_683570, v('(', ')', end_of_file), c)
^  Fail: (202) [user] is_delimiter(c)
   Call: (202) [system] ')'==c
   Fail: (202) [system] ')'==c
   Call: (202) [system] get_char((0x563acd73bee0), c)
   Exit: (202) [system] get_char((0x563acd73bee0), c)
   Call: (202) [system] c=(\)
   Fail: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _690920)
   Call: (203) [system] peek_char((0x563acd73bee0), _691854)
   Exit: (203) [system] peek_char((0x563acd73bee0), t)
^  Call: (203) [user] is_delimiter(t)
   Call: (204) [system] char_type(t, space)
   Fail: (204) [system] char_type(t, space)
   Call: (204) [system] arg(_696574, v('(', ')', end_of_file), t)
   Fail: (204) [system] arg(_697506, v('(', ')', end_of_file), t)
^  Fail: (203) [user] is_delimiter(t)
   Call: (203) [system] ')'==t
   Fail: (203) [system] ')'==t
   Call: (203) [system] get_char((0x563acd73bee0), t)
   Exit: (203) [system] get_char((0x563acd73bee0), t)
   Call: (203) [system] t=(\)
   Fail: (203) [system] t=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _704856)
   Call: (204) [system] peek_char((0x563acd73bee0), _705790)
   Exit: (204) [system] peek_char((0x563acd73bee0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_710510, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_711442, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x563acd73bee0), o)
   Exit: (204) [system] get_char((0x563acd73bee0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _718792)
   Call: (205) [system] peek_char((0x563acd73bee0), _719726)
   Exit: (205) [system] peek_char((0x563acd73bee0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_724446, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_725378, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x563acd73bee0), r)
   Exit: (205) [system] get_char((0x563acd73bee0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _732728)
   Call: (206) [system] peek_char((0x563acd73bee0), _733662)
   Exit: (206) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _732728=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (205) [system] _718792=[r]
   Exit: (205) [system] [r]=[r]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [r])
   Call: (204) [system] _704856=[o, r]
   Exit: (204) [system] [o, r]=[o, r]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, r])
   Call: (203) [system] _690920=[t, o, r]
   Exit: (203) [system] [t, o, r]=[t, o, r]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, o, r])
   Call: (202) [system] _676984=[c, t, o, r]
   Exit: (202) [system] [c, t, o, r]=[c, t, o, r]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, o, r])
   Call: (201) [system] _663048=[u, c, t, o, r]
   Exit: (201) [system] [u, c, t, o, r]=[u, c, t, o, r]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, o, r])
   Call: (200) [system] _649112=[r, u, c, t, o, r]
   Exit: (200) [system] [r, u, c, t, o, r]=[r, u, c, t, o, r]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, u, c, t, o, r])
^  Call: (199) [user] classify_and_convert_charseq([$, r, u, c, t, o, r], _613602)
^  Call: (200) [user] classify_and_convert_charseq_([$, r, u, c, t, o, r], _759710)
   Call: (201) [system] atom_chars(_760642, ['_', r, u, c, t, o, r])
   Exit: (201) [system] atom_chars('_ructor', ['_', r, u, c, t, o, r])
^  Exit: (200) [user] classify_and_convert_charseq_([$, r, u, c, t, o, r], _ructor)
   Call: (200) [system] integer(_ructor)
   Fail: (200) [system] integer(_ructor)
   Call: (200) [system] _613602=_ructor
   Exit: (200) [system] _ructor=_ructor
^  Exit: (199) [user] classify_and_convert_charseq([$, r, u, c, t, o, r], _ructor)
^  Exit: (198) [user] read_symbolic(')', (0x563acd73bee0), $, _ructor)
^  Exit: (197) [user] cont_sexpr(')', (0x563acd73bee0), _ructor)
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _769934)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _771792)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x563acd73bee0), _781386)
   Exit: (199) [system] get_char((0x563acd73bee0), ' ')
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _784090)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _801024)
   Exit: (198) [system] peek_char((0x563acd73bee0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x563acd73bee0), _806594)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _808452)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] get_char((0x563acd73bee0), _824462)
   Exit: (199) [system] get_char((0x563acd73bee0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x563acd73bee0), $, _806594)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _842104)
   Call: (201) [system] peek_char((0x563acd73bee0), _843038)
   Exit: (201) [system] peek_char((0x563acd73bee0), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_847758, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_848690, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x563acd73bee0), p)
   Exit: (201) [system] get_char((0x563acd73bee0), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _856040)
   Call: (202) [system] peek_char((0x563acd73bee0), _856974)
   Exit: (202) [system] peek_char((0x563acd73bee0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_861694, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_862626, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x563acd73bee0), r)
   Exit: (202) [system] get_char((0x563acd73bee0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _869976)
   Call: (203) [system] peek_char((0x563acd73bee0), _870910)
   Exit: (203) [system] peek_char((0x563acd73bee0), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Fail: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_875630, v('(', ')', end_of_file), o)
   Fail: (204) [system] arg(_876562, v('(', ')', end_of_file), o)
^  Fail: (203) [user] is_delimiter(o)
   Call: (203) [system] ')'==o
   Fail: (203) [system] ')'==o
   Call: (203) [system] get_char((0x563acd73bee0), o)
   Exit: (203) [system] get_char((0x563acd73bee0), o)
   Call: (203) [system] o=(\)
   Fail: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _883912)
   Call: (204) [system] peek_char((0x563acd73bee0), _884846)
   Exit: (204) [system] peek_char((0x563acd73bee0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_889566, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_890498, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x563acd73bee0), o)
   Exit: (204) [system] get_char((0x563acd73bee0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _897848)
   Call: (205) [system] peek_char((0x563acd73bee0), _898782)
   Exit: (205) [system] peek_char((0x563acd73bee0), f)
^  Call: (205) [user] is_delimiter(f)
   Call: (206) [system] char_type(f, space)
   Fail: (206) [system] char_type(f, space)
   Call: (206) [system] arg(_903502, v('(', ')', end_of_file), f)
   Fail: (206) [system] arg(_904434, v('(', ')', end_of_file), f)
^  Fail: (205) [user] is_delimiter(f)
   Call: (205) [system] ')'==f
   Fail: (205) [system] ')'==f
   Call: (205) [system] get_char((0x563acd73bee0), f)
   Exit: (205) [system] get_char((0x563acd73bee0), f)
   Call: (205) [system] f=(\)
   Fail: (205) [system] f=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _911784)
   Call: (206) [system] peek_char((0x563acd73bee0), _912718)
   Exit: (206) [system] peek_char((0x563acd73bee0), '1')
^  Call: (206) [user] is_delimiter('1')
   Call: (207) [system] char_type('1', space)
   Fail: (207) [system] char_type('1', space)
   Call: (207) [system] arg(_917438, v('(', ')', end_of_file), '1')
   Fail: (207) [system] arg(_918370, v('(', ')', end_of_file), '1')
^  Fail: (206) [user] is_delimiter('1')
   Call: (206) [system] ')'=='1'
   Fail: (206) [system] ')'=='1'
   Call: (206) [system] get_char((0x563acd73bee0), '1')
   Exit: (206) [system] get_char((0x563acd73bee0), '1')
   Call: (206) [system] '1'=(\)
   Fail: (206) [system] '1'=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _925720)
   Call: (207) [system] peek_char((0x563acd73bee0), _926654)
   Exit: (207) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _925720=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (206) [system] _911784=['1']
   Exit: (206) [system] ['1']=['1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), ['1'])
   Call: (205) [system] _897848=[f, '1']
   Exit: (205) [system] [f, '1']=[f, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [f, '1'])
   Call: (204) [system] _883912=[o, f, '1']
   Exit: (204) [system] [o, f, '1']=[o, f, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, f, '1'])
   Call: (203) [system] _869976=[o, o, f, '1']
   Exit: (203) [system] [o, o, f, '1']=[o, o, f, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, o, f, '1'])
   Call: (202) [system] _856040=[r, o, o, f, '1']
   Exit: (202) [system] [r, o, o, f, '1']=[r, o, o, f, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, o, f, '1'])
   Call: (201) [system] _842104=[p, r, o, o, f, '1']
   Exit: (201) [system] [p, r, o, o, f, '1']=[p, r, o, o, f, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, o, o, f, '1'])
^  Call: (200) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _806594)
^  Call: (201) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _952702)
   Call: (202) [system] atom_chars(_953634, ['_', p, r, o, o, f, '1'])
   Exit: (202) [system] atom_chars('_proof1', ['_', p, r, o, o, f, '1'])
^  Exit: (201) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _proof1)
   Call: (201) [system] integer(_proof1)
   Fail: (201) [system] integer(_proof1)
   Call: (201) [system] _806594=_proof1
   Exit: (201) [system] _proof1=_proof1
^  Exit: (200) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _proof1)
^  Exit: (199) [user] read_symbolic(')', (0x563acd73bee0), $, _proof1)
^  Exit: (198) [user] cont_sexpr(')', (0x563acd73bee0), _proof1)
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _962926)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _964784)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x563acd73bee0), _974378)
   Exit: (200) [system] get_char((0x563acd73bee0), ' ')
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _977082)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _994016)
   Exit: (199) [system] peek_char((0x563acd73bee0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x563acd73bee0), _999586)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1001444)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] get_char((0x563acd73bee0), _1017454)
   Exit: (200) [system] get_char((0x563acd73bee0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x563acd73bee0), $, _999586)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _1035096)
   Call: (202) [system] peek_char((0x563acd73bee0), _1036030)
   Exit: (202) [system] peek_char((0x563acd73bee0), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Fail: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_1040750, v('(', ')', end_of_file), p)
   Fail: (203) [system] arg(_1041682, v('(', ')', end_of_file), p)
^  Fail: (202) [user] is_delimiter(p)
   Call: (202) [system] ')'==p
   Fail: (202) [system] ')'==p
   Call: (202) [system] get_char((0x563acd73bee0), p)
   Exit: (202) [system] get_char((0x563acd73bee0), p)
   Call: (202) [system] p=(\)
   Fail: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1049032)
   Call: (203) [system] peek_char((0x563acd73bee0), _1049966)
   Exit: (203) [system] peek_char((0x563acd73bee0), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_1054686, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_1055618, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x563acd73bee0), r)
   Exit: (203) [system] get_char((0x563acd73bee0), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1062968)
   Call: (204) [system] peek_char((0x563acd73bee0), _1063902)
   Exit: (204) [system] peek_char((0x563acd73bee0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_1068622, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_1069554, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x563acd73bee0), o)
   Exit: (204) [system] get_char((0x563acd73bee0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1076904)
   Call: (205) [system] peek_char((0x563acd73bee0), _1077838)
   Exit: (205) [system] peek_char((0x563acd73bee0), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_1082558, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_1083490, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x563acd73bee0), o)
   Exit: (205) [system] get_char((0x563acd73bee0), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1090840)
   Call: (206) [system] peek_char((0x563acd73bee0), _1091774)
   Exit: (206) [system] peek_char((0x563acd73bee0), f)
^  Call: (206) [user] is_delimiter(f)
   Call: (207) [system] char_type(f, space)
   Fail: (207) [system] char_type(f, space)
   Call: (207) [system] arg(_1096494, v('(', ')', end_of_file), f)
   Fail: (207) [system] arg(_1097426, v('(', ')', end_of_file), f)
^  Fail: (206) [user] is_delimiter(f)
   Call: (206) [system] ')'==f
   Fail: (206) [system] ')'==f
   Call: (206) [system] get_char((0x563acd73bee0), f)
   Exit: (206) [system] get_char((0x563acd73bee0), f)
   Call: (206) [system] f=(\)
   Fail: (206) [system] f=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1104776)
   Call: (207) [system] peek_char((0x563acd73bee0), _1105710)
   Exit: (207) [system] peek_char((0x563acd73bee0), '2')
^  Call: (207) [user] is_delimiter('2')
   Call: (208) [system] char_type('2', space)
   Fail: (208) [system] char_type('2', space)
   Call: (208) [system] arg(_1110430, v('(', ')', end_of_file), '2')
   Fail: (208) [system] arg(_1111362, v('(', ')', end_of_file), '2')
^  Fail: (207) [user] is_delimiter('2')
   Call: (207) [system] ')'=='2'
   Fail: (207) [system] ')'=='2'
   Call: (207) [system] get_char((0x563acd73bee0), '2')
   Exit: (207) [system] get_char((0x563acd73bee0), '2')
   Call: (207) [system] '2'=(\)
   Fail: (207) [system] '2'=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1118712)
   Call: (208) [system] peek_char((0x563acd73bee0), _1119646)
   Exit: (208) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _1118712=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (207) [system] _1104776=['2']
   Exit: (207) [system] ['2']=['2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), ['2'])
   Call: (206) [system] _1090840=[f, '2']
   Exit: (206) [system] [f, '2']=[f, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [f, '2'])
   Call: (205) [system] _1076904=[o, f, '2']
   Exit: (205) [system] [o, f, '2']=[o, f, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, f, '2'])
   Call: (204) [system] _1062968=[o, o, f, '2']
   Exit: (204) [system] [o, o, f, '2']=[o, o, f, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, o, f, '2'])
   Call: (203) [system] _1049032=[r, o, o, f, '2']
   Exit: (203) [system] [r, o, o, f, '2']=[r, o, o, f, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, o, f, '2'])
   Call: (202) [system] _1035096=[p, r, o, o, f, '2']
   Exit: (202) [system] [p, r, o, o, f, '2']=[p, r, o, o, f, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, o, o, f, '2'])
^  Call: (201) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _999586)
^  Call: (202) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _1145694)
   Call: (203) [system] atom_chars(_1146626, ['_', p, r, o, o, f, '2'])
   Exit: (203) [system] atom_chars('_proof2', ['_', p, r, o, o, f, '2'])
^  Exit: (202) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _proof2)
   Call: (202) [system] integer(_proof2)
   Fail: (202) [system] integer(_proof2)
   Call: (202) [system] _999586=_proof2
   Exit: (202) [system] _proof2=_proof2
^  Exit: (201) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _proof2)
^  Exit: (200) [user] read_symbolic(')', (0x563acd73bee0), $, _proof2)
^  Exit: (199) [user] cont_sexpr(')', (0x563acd73bee0), _proof2)
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _1155918)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1157776)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _1167370)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1170074)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1187008)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x563acd73bee0), _1192578)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1194436)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] get_char((0x563acd73bee0), _1210446)
   Exit: (201) [system] get_char((0x563acd73bee0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x563acd73bee0), $, _1192578)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1228088)
   Call: (203) [system] peek_char((0x563acd73bee0), _1229022)
   Exit: (203) [system] peek_char((0x563acd73bee0), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Fail: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_1233742, v('(', ')', end_of_file), p)
   Fail: (204) [system] arg(_1234674, v('(', ')', end_of_file), p)
^  Fail: (203) [user] is_delimiter(p)
   Call: (203) [system] ')'==p
   Fail: (203) [system] ')'==p
   Call: (203) [system] get_char((0x563acd73bee0), p)
   Exit: (203) [system] get_char((0x563acd73bee0), p)
   Call: (203) [system] p=(\)
   Fail: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1242024)
   Call: (204) [system] peek_char((0x563acd73bee0), _1242958)
   Exit: (204) [system] peek_char((0x563acd73bee0), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_1247678, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_1248610, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x563acd73bee0), r)
   Exit: (204) [system] get_char((0x563acd73bee0), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1255960)
   Call: (205) [system] peek_char((0x563acd73bee0), _1256894)
   Exit: (205) [system] peek_char((0x563acd73bee0), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_1261614, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_1262546, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x563acd73bee0), o)
   Exit: (205) [system] get_char((0x563acd73bee0), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1269896)
   Call: (206) [system] peek_char((0x563acd73bee0), _1270830)
   Exit: (206) [system] peek_char((0x563acd73bee0), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_1275550, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_1276482, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x563acd73bee0), o)
   Exit: (206) [system] get_char((0x563acd73bee0), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1283832)
   Call: (207) [system] peek_char((0x563acd73bee0), _1284766)
   Exit: (207) [system] peek_char((0x563acd73bee0), f)
^  Call: (207) [user] is_delimiter(f)
   Call: (208) [system] char_type(f, space)
   Fail: (208) [system] char_type(f, space)
   Call: (208) [system] arg(_1289486, v('(', ')', end_of_file), f)
   Fail: (208) [system] arg(_1290418, v('(', ')', end_of_file), f)
^  Fail: (207) [user] is_delimiter(f)
   Call: (207) [system] ')'==f
   Fail: (207) [system] ')'==f
   Call: (207) [system] get_char((0x563acd73bee0), f)
   Exit: (207) [system] get_char((0x563acd73bee0), f)
   Call: (207) [system] f=(\)
   Fail: (207) [system] f=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1297768)
   Call: (208) [system] peek_char((0x563acd73bee0), _1298702)
   Exit: (208) [system] peek_char((0x563acd73bee0), '3')
^  Call: (208) [user] is_delimiter('3')
   Call: (209) [system] char_type('3', space)
   Fail: (209) [system] char_type('3', space)
   Call: (209) [system] arg(_1303422, v('(', ')', end_of_file), '3')
   Fail: (209) [system] arg(_1304354, v('(', ')', end_of_file), '3')
^  Fail: (208) [user] is_delimiter('3')
   Call: (208) [system] ')'=='3'
   Fail: (208) [system] ')'=='3'
   Call: (208) [system] get_char((0x563acd73bee0), '3')
   Exit: (208) [system] get_char((0x563acd73bee0), '3')
   Call: (208) [system] '3'=(\)
   Fail: (208) [system] '3'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1311704)
   Call: (209) [system] peek_char((0x563acd73bee0), _1312638)
   Exit: (209) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _1311704=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (208) [system] _1297768=['3']
   Exit: (208) [system] ['3']=['3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), ['3'])
   Call: (207) [system] _1283832=[f, '3']
   Exit: (207) [system] [f, '3']=[f, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [f, '3'])
   Call: (206) [system] _1269896=[o, f, '3']
   Exit: (206) [system] [o, f, '3']=[o, f, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, f, '3'])
   Call: (205) [system] _1255960=[o, o, f, '3']
   Exit: (205) [system] [o, o, f, '3']=[o, o, f, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, o, f, '3'])
   Call: (204) [system] _1242024=[r, o, o, f, '3']
   Exit: (204) [system] [r, o, o, f, '3']=[r, o, o, f, '3']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, o, f, '3'])
   Call: (203) [system] _1228088=[p, r, o, o, f, '3']
   Exit: (203) [system] [p, r, o, o, f, '3']=[p, r, o, o, f, '3']
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, o, o, f, '3'])
^  Call: (202) [user] classify_and_convert_charseq([$, p, r, o, o, f, '3'], _1192578)
^  Call: (203) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '3'], _1338686)
   Call: (204) [system] atom_chars(_1339618, ['_', p, r, o, o, f, '3'])
   Exit: (204) [system] atom_chars('_proof3', ['_', p, r, o, o, f, '3'])
^  Exit: (203) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '3'], _proof3)
   Call: (203) [system] integer(_proof3)
   Fail: (203) [system] integer(_proof3)
   Call: (203) [system] _1192578=_proof3
   Exit: (203) [system] _proof3=_proof3
^  Exit: (202) [user] classify_and_convert_charseq([$, p, r, o, o, f, '3'], _proof3)
^  Exit: (201) [user] read_symbolic(')', (0x563acd73bee0), $, _proof3)
^  Exit: (200) [user] cont_sexpr(')', (0x563acd73bee0), _proof3)
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _1348910)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1350768)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x563acd73bee0), _1360362)
   Exit: (202) [system] get_char((0x563acd73bee0), ' ')
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1363066)
   Exit: (203) [system] peek_char((0x563acd73bee0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1380000)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x563acd73bee0), _1385570)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1387428)
   Exit: (203) [system] peek_char((0x563acd73bee0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] get_char((0x563acd73bee0), _1403438)
   Exit: (202) [system] get_char((0x563acd73bee0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x563acd73bee0), $, _1385570)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1421080)
   Call: (204) [system] peek_char((0x563acd73bee0), _1422014)
   Exit: (204) [system] peek_char((0x563acd73bee0), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Fail: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_1426734, v('(', ')', end_of_file), p)
   Fail: (205) [system] arg(_1427666, v('(', ')', end_of_file), p)
^  Fail: (204) [user] is_delimiter(p)
   Call: (204) [system] ')'==p
   Fail: (204) [system] ')'==p
   Call: (204) [system] get_char((0x563acd73bee0), p)
   Exit: (204) [system] get_char((0x563acd73bee0), p)
   Call: (204) [system] p=(\)
   Fail: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1435016)
   Call: (205) [system] peek_char((0x563acd73bee0), _1435950)
   Exit: (205) [system] peek_char((0x563acd73bee0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_1440670, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_1441602, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x563acd73bee0), r)
   Exit: (205) [system] get_char((0x563acd73bee0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1448952)
   Call: (206) [system] peek_char((0x563acd73bee0), _1449886)
   Exit: (206) [system] peek_char((0x563acd73bee0), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_1454606, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_1455538, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x563acd73bee0), o)
   Exit: (206) [system] get_char((0x563acd73bee0), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1462888)
   Call: (207) [system] peek_char((0x563acd73bee0), _1463822)
   Exit: (207) [system] peek_char((0x563acd73bee0), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_1468542, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_1469474, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x563acd73bee0), o)
   Exit: (207) [system] get_char((0x563acd73bee0), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1476824)
   Call: (208) [system] peek_char((0x563acd73bee0), _1477758)
   Exit: (208) [system] peek_char((0x563acd73bee0), f)
^  Call: (208) [user] is_delimiter(f)
   Call: (209) [system] char_type(f, space)
   Fail: (209) [system] char_type(f, space)
   Call: (209) [system] arg(_1482478, v('(', ')', end_of_file), f)
   Fail: (209) [system] arg(_1483410, v('(', ')', end_of_file), f)
^  Fail: (208) [user] is_delimiter(f)
   Call: (208) [system] ')'==f
   Fail: (208) [system] ')'==f
   Call: (208) [system] get_char((0x563acd73bee0), f)
   Exit: (208) [system] get_char((0x563acd73bee0), f)
   Call: (208) [system] f=(\)
   Fail: (208) [system] f=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1490760)
   Call: (209) [system] peek_char((0x563acd73bee0), _1491694)
   Exit: (209) [system] peek_char((0x563acd73bee0), '4')
^  Call: (209) [user] is_delimiter('4')
   Call: (210) [system] char_type('4', space)
   Fail: (210) [system] char_type('4', space)
   Call: (210) [system] arg(_1496414, v('(', ')', end_of_file), '4')
   Fail: (210) [system] arg(_1497346, v('(', ')', end_of_file), '4')
^  Fail: (209) [user] is_delimiter('4')
   Call: (209) [system] ')'=='4'
   Fail: (209) [system] ')'=='4'
   Call: (209) [system] get_char((0x563acd73bee0), '4')
   Exit: (209) [system] get_char((0x563acd73bee0), '4')
   Call: (209) [system] '4'=(\)
   Fail: (209) [system] '4'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1504696)
   Call: (210) [system] peek_char((0x563acd73bee0), _1505630)
   Exit: (210) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1504696=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (209) [system] _1490760=['4']
   Exit: (209) [system] ['4']=['4']
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), ['4'])
   Call: (208) [system] _1476824=[f, '4']
   Exit: (208) [system] [f, '4']=[f, '4']
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [f, '4'])
   Call: (207) [system] _1462888=[o, f, '4']
   Exit: (207) [system] [o, f, '4']=[o, f, '4']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, f, '4'])
   Call: (206) [system] _1448952=[o, o, f, '4']
   Exit: (206) [system] [o, o, f, '4']=[o, o, f, '4']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, o, f, '4'])
   Call: (205) [system] _1435016=[r, o, o, f, '4']
   Exit: (205) [system] [r, o, o, f, '4']=[r, o, o, f, '4']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, o, f, '4'])
   Call: (204) [system] _1421080=[p, r, o, o, f, '4']
   Exit: (204) [system] [p, r, o, o, f, '4']=[p, r, o, o, f, '4']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, o, o, f, '4'])
^  Call: (203) [user] classify_and_convert_charseq([$, p, r, o, o, f, '4'], _1385570)
^  Call: (204) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '4'], _1531678)
   Call: (205) [system] atom_chars(_1532610, ['_', p, r, o, o, f, '4'])
   Exit: (205) [system] atom_chars('_proof4', ['_', p, r, o, o, f, '4'])
^  Exit: (204) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '4'], _proof4)
   Call: (204) [system] integer(_proof4)
   Fail: (204) [system] integer(_proof4)
   Call: (204) [system] _1385570=_proof4
   Exit: (204) [system] _proof4=_proof4
^  Exit: (203) [user] classify_and_convert_charseq([$, p, r, o, o, f, '4'], _proof4)
^  Exit: (202) [user] read_symbolic(')', (0x563acd73bee0), $, _proof4)
^  Exit: (201) [user] cont_sexpr(')', (0x563acd73bee0), _proof4)
^  Call: (201) [user] read_list(')', (0x563acd73bee0), _1541902)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1543760)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x563acd73bee0), _1553354)
   Exit: (203) [system] get_char((0x563acd73bee0), ' ')
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1556058)
   Exit: (204) [system] peek_char((0x563acd73bee0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1572992)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=')'
   Fail: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x563acd73bee0), _1578562)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1580420)
   Exit: (204) [system] peek_char((0x563acd73bee0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] get_char((0x563acd73bee0), _1596430)
   Exit: (203) [system] get_char((0x563acd73bee0), $)
   Call: (203) [system] ($)='('
   Fail: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Fail: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Fail: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Fail: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Fail: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Fail: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Fail: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x563acd73bee0), $, _1578562)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1614072)
   Call: (205) [system] peek_char((0x563acd73bee0), _1615006)
   Exit: (205) [system] peek_char((0x563acd73bee0), p)
^  Call: (205) [user] is_delimiter(p)
   Call: (206) [system] char_type(p, space)
   Fail: (206) [system] char_type(p, space)
   Call: (206) [system] arg(_1619726, v('(', ')', end_of_file), p)
   Fail: (206) [system] arg(_1620658, v('(', ')', end_of_file), p)
^  Fail: (205) [user] is_delimiter(p)
   Call: (205) [system] ')'==p
   Fail: (205) [system] ')'==p
   Call: (205) [system] get_char((0x563acd73bee0), p)
   Exit: (205) [system] get_char((0x563acd73bee0), p)
   Call: (205) [system] p=(\)
   Fail: (205) [system] p=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1628008)
   Call: (206) [system] peek_char((0x563acd73bee0), _1628942)
   Exit: (206) [system] peek_char((0x563acd73bee0), r)
^  Call: (206) [user] is_delimiter(r)
   Call: (207) [system] char_type(r, space)
   Fail: (207) [system] char_type(r, space)
   Call: (207) [system] arg(_1633662, v('(', ')', end_of_file), r)
   Fail: (207) [system] arg(_1634594, v('(', ')', end_of_file), r)
^  Fail: (206) [user] is_delimiter(r)
   Call: (206) [system] ')'==r
   Fail: (206) [system] ')'==r
   Call: (206) [system] get_char((0x563acd73bee0), r)
   Exit: (206) [system] get_char((0x563acd73bee0), r)
   Call: (206) [system] r=(\)
   Fail: (206) [system] r=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1641944)
   Call: (207) [system] peek_char((0x563acd73bee0), _1642878)
   Exit: (207) [system] peek_char((0x563acd73bee0), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_1647598, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_1648530, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x563acd73bee0), o)
   Exit: (207) [system] get_char((0x563acd73bee0), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1655880)
   Call: (208) [system] peek_char((0x563acd73bee0), _1656814)
   Exit: (208) [system] peek_char((0x563acd73bee0), o)
^  Call: (208) [user] is_delimiter(o)
   Call: (209) [system] char_type(o, space)
   Fail: (209) [system] char_type(o, space)
   Call: (209) [system] arg(_1661534, v('(', ')', end_of_file), o)
   Fail: (209) [system] arg(_1662466, v('(', ')', end_of_file), o)
^  Fail: (208) [user] is_delimiter(o)
   Call: (208) [system] ')'==o
   Fail: (208) [system] ')'==o
   Call: (208) [system] get_char((0x563acd73bee0), o)
   Exit: (208) [system] get_char((0x563acd73bee0), o)
   Call: (208) [system] o=(\)
   Fail: (208) [system] o=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1669816)
   Call: (209) [system] peek_char((0x563acd73bee0), _1670750)
   Exit: (209) [system] peek_char((0x563acd73bee0), f)
^  Call: (209) [user] is_delimiter(f)
   Call: (210) [system] char_type(f, space)
   Fail: (210) [system] char_type(f, space)
   Call: (210) [system] arg(_1675470, v('(', ')', end_of_file), f)
   Fail: (210) [system] arg(_1676402, v('(', ')', end_of_file), f)
^  Fail: (209) [user] is_delimiter(f)
   Call: (209) [system] ')'==f
   Fail: (209) [system] ')'==f
   Call: (209) [system] get_char((0x563acd73bee0), f)
   Exit: (209) [system] get_char((0x563acd73bee0), f)
   Call: (209) [system] f=(\)
   Fail: (209) [system] f=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1683752)
   Call: (210) [system] peek_char((0x563acd73bee0), _1684686)
   Exit: (210) [system] peek_char((0x563acd73bee0), '5')
^  Call: (210) [user] is_delimiter('5')
   Call: (211) [system] char_type('5', space)
   Fail: (211) [system] char_type('5', space)
   Call: (211) [system] arg(_1689406, v('(', ')', end_of_file), '5')
   Fail: (211) [system] arg(_1690338, v('(', ')', end_of_file), '5')
^  Fail: (210) [user] is_delimiter('5')
   Call: (210) [system] ')'=='5'
   Fail: (210) [system] ')'=='5'
   Call: (210) [system] get_char((0x563acd73bee0), '5')
   Exit: (210) [system] get_char((0x563acd73bee0), '5')
   Call: (210) [system] '5'=(\)
   Fail: (210) [system] '5'=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1697688)
   Call: (211) [system] peek_char((0x563acd73bee0), _1698622)
   Exit: (211) [system] peek_char((0x563acd73bee0), ')')
^  Call: (211) [user] is_delimiter(')')
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] arg(_1703342, v('(', ')', end_of_file), ')')
   Exit: (212) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (211) [user] is_delimiter(')')
   Call: (211) [system] _1697688=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (210) [system] _1683752=['5']
   Exit: (210) [system] ['5']=['5']
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), ['5'])
   Call: (209) [system] _1669816=[f, '5']
   Exit: (209) [system] [f, '5']=[f, '5']
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [f, '5'])
   Call: (208) [system] _1655880=[o, f, '5']
   Exit: (208) [system] [o, f, '5']=[o, f, '5']
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, f, '5'])
   Call: (207) [system] _1641944=[o, o, f, '5']
   Exit: (207) [system] [o, o, f, '5']=[o, o, f, '5']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, o, f, '5'])
   Call: (206) [system] _1628008=[r, o, o, f, '5']
   Exit: (206) [system] [r, o, o, f, '5']=[r, o, o, f, '5']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, o, f, '5'])
   Call: (205) [system] _1614072=[p, r, o, o, f, '5']
   Exit: (205) [system] [p, r, o, o, f, '5']=[p, r, o, o, f, '5']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, o, o, f, '5'])
^  Call: (204) [user] classify_and_convert_charseq([$, p, r, o, o, f, '5'], _1578562)
^  Call: (205) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '5'], _1726542)
   Call: (206) [system] atom_chars(_1727474, ['_', p, r, o, o, f, '5'])
   Exit: (206) [system] atom_chars('_proof5', ['_', p, r, o, o, f, '5'])
^  Exit: (205) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '5'], _proof5)
   Call: (205) [system] integer(_proof5)
   Fail: (205) [system] integer(_proof5)
   Call: (205) [system] _1578562=_proof5
   Exit: (205) [system] _proof5=_proof5
^  Exit: (204) [user] classify_and_convert_charseq([$, p, r, o, o, f, '5'], _proof5)
^  Exit: (203) [user] read_symbolic(')', (0x563acd73bee0), $, _proof5)
^  Exit: (202) [user] cont_sexpr(')', (0x563acd73bee0), _proof5)
^  Call: (202) [user] read_list(')', (0x563acd73bee0), _1736766)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1738624)
   Exit: (204) [system] peek_char((0x563acd73bee0), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
   Call: (204) [system] ')'=(/)
   Fail: (204) [system] ')'=(/)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1754634)
   Exit: (203) [system] peek_char((0x563acd73bee0), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x563acd73bee0), _1758424)
   Exit: (203) [system] get_char((0x563acd73bee0), ')')
   Call: (203) [system] _1736766=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x563acd73bee0), [])
   Call: (202) [system] _1541902=[_proof5]
   Exit: (202) [system] [_proof5]=[_proof5]
^  Exit: (201) [user] read_list(')', (0x563acd73bee0), [_proof5])
   Call: (201) [system] _1348910=[_proof4, _proof5]
   Exit: (201) [system] [_proof4, _proof5]=[_proof4, _proof5]
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), [_proof4, _proof5])
   Call: (200) [system] _1155918=[_proof3, _proof4, _proof5]
   Exit: (200) [system] [_proof3, _proof4, _proof5]=[_proof3, _proof4, _proof5]
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), [_proof3, _proof4, _proof5])
   Call: (199) [system] _962926=[_proof2, _proof3, _proof4, _proof5]
   Exit: (199) [system] [_proof2, _proof3, _proof4, _proof5]=[_proof2, _proof3, _proof4, _proof5]
^  Exit: (198) [user] read_list(')', (0x563acd73bee0), [_proof2, _proof3, _proof4, _proof5])
   Call: (198) [system] _769934=[_proof1, _proof2, _proof3, _proof4, _proof5]
   Exit: (198) [system] [_proof1, _proof2, _proof3, _proof4, _proof5]=[_proof1, _proof2, _proof3, _proof4, _proof5]
^  Exit: (197) [user] read_list(')', (0x563acd73bee0), [_proof1, _proof2, _proof3, _proof4, _proof5])
   Call: (197) [system] _568584=[_ructor, _proof1, _proof2, _proof3, _proof4, _proof5]
   Exit: (197) [system] [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5]=[_ructor, _proof1, _proof2, _proof3, _proof4, _proof5]
^  Exit: (196) [user] read_list(')', (0x563acd73bee0), [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5])
^  Exit: (195) [user] cont_sexpr(')', (0x563acd73bee0), [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5])
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _1780688)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1782546)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x563acd73bee0), _1792140)
   Exit: (197) [system] get_char((0x563acd73bee0), ' ')
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1794844)
   Exit: (198) [system] peek_char((0x563acd73bee0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1811778)
   Exit: (196) [system] peek_char((0x563acd73bee0), $)
   Call: (196) [system] ($)=')'
   Fail: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x563acd73bee0), _1817348)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1819206)
   Exit: (198) [system] peek_char((0x563acd73bee0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] get_char((0x563acd73bee0), _1835216)
   Exit: (197) [system] get_char((0x563acd73bee0), $)
   Call: (197) [system] ($)='('
   Fail: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Fail: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Fail: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Fail: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Fail: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Fail: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Fail: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x563acd73bee0), $, _1817348)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _1852858)
   Call: (199) [system] peek_char((0x563acd73bee0), _1853792)
   Exit: (199) [system] peek_char((0x563acd73bee0), c)
^  Call: (199) [user] is_delimiter(c)
   Call: (200) [system] char_type(c, space)
   Fail: (200) [system] char_type(c, space)
   Call: (200) [system] arg(_1858512, v('(', ')', end_of_file), c)
   Fail: (200) [system] arg(_1859444, v('(', ')', end_of_file), c)
^  Fail: (199) [user] is_delimiter(c)
   Call: (199) [system] ')'==c
   Fail: (199) [system] ')'==c
   Call: (199) [system] get_char((0x563acd73bee0), c)
   Exit: (199) [system] get_char((0x563acd73bee0), c)
   Call: (199) [system] c=(\)
   Fail: (199) [system] c=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _1866794)
   Call: (200) [system] peek_char((0x563acd73bee0), _1867728)
   Exit: (200) [system] peek_char((0x563acd73bee0), o)
^  Call: (200) [user] is_delimiter(o)
   Call: (201) [system] char_type(o, space)
   Fail: (201) [system] char_type(o, space)
   Call: (201) [system] arg(_1872448, v('(', ')', end_of_file), o)
   Fail: (201) [system] arg(_1873380, v('(', ')', end_of_file), o)
^  Fail: (200) [user] is_delimiter(o)
   Call: (200) [system] ')'==o
   Fail: (200) [system] ')'==o
   Call: (200) [system] get_char((0x563acd73bee0), o)
   Exit: (200) [system] get_char((0x563acd73bee0), o)
   Call: (200) [system] o=(\)
   Fail: (200) [system] o=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _1880730)
   Call: (201) [system] peek_char((0x563acd73bee0), _1881664)
   Exit: (201) [system] peek_char((0x563acd73bee0), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_1886384, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_1887316, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x563acd73bee0), n)
   Exit: (201) [system] get_char((0x563acd73bee0), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _1894666)
   Call: (202) [system] peek_char((0x563acd73bee0), _1895600)
   Exit: (202) [system] peek_char((0x563acd73bee0), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Fail: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_1900320, v('(', ')', end_of_file), c)
   Fail: (203) [system] arg(_1901252, v('(', ')', end_of_file), c)
^  Fail: (202) [user] is_delimiter(c)
   Call: (202) [system] ')'==c
   Fail: (202) [system] ')'==c
   Call: (202) [system] get_char((0x563acd73bee0), c)
   Exit: (202) [system] get_char((0x563acd73bee0), c)
   Call: (202) [system] c=(\)
   Fail: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1908602)
   Call: (203) [system] peek_char((0x563acd73bee0), _1909536)
   Exit: (203) [system] peek_char((0x563acd73bee0), l)
^  Call: (203) [user] is_delimiter(l)
   Call: (204) [system] char_type(l, space)
   Fail: (204) [system] char_type(l, space)
   Call: (204) [system] arg(_1914256, v('(', ')', end_of_file), l)
   Fail: (204) [system] arg(_1915188, v('(', ')', end_of_file), l)
^  Fail: (203) [user] is_delimiter(l)
   Call: (203) [system] ')'==l
   Fail: (203) [system] ')'==l
   Call: (203) [system] get_char((0x563acd73bee0), l)
   Exit: (203) [system] get_char((0x563acd73bee0), l)
   Call: (203) [system] l=(\)
   Fail: (203) [system] l=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1922538)
   Call: (204) [system] peek_char((0x563acd73bee0), _1923472)
   Exit: (204) [system] peek_char((0x563acd73bee0), u)
^  Call: (204) [user] is_delimiter(u)
   Call: (205) [system] char_type(u, space)
   Fail: (205) [system] char_type(u, space)
   Call: (205) [system] arg(_1928192, v('(', ')', end_of_file), u)
   Fail: (205) [system] arg(_1929124, v('(', ')', end_of_file), u)
^  Fail: (204) [user] is_delimiter(u)
   Call: (204) [system] ')'==u
   Fail: (204) [system] ')'==u
   Call: (204) [system] get_char((0x563acd73bee0), u)
   Exit: (204) [system] get_char((0x563acd73bee0), u)
   Call: (204) [system] u=(\)
   Fail: (204) [system] u=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1936474)
   Call: (205) [system] peek_char((0x563acd73bee0), _1937408)
   Exit: (205) [system] peek_char((0x563acd73bee0), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Fail: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_1942128, v('(', ')', end_of_file), s)
   Fail: (206) [system] arg(_1943060, v('(', ')', end_of_file), s)
^  Fail: (205) [user] is_delimiter(s)
   Call: (205) [system] ')'==s
   Fail: (205) [system] ')'==s
   Call: (205) [system] get_char((0x563acd73bee0), s)
   Exit: (205) [system] get_char((0x563acd73bee0), s)
   Call: (205) [system] s=(\)
   Fail: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1950410)
   Call: (206) [system] peek_char((0x563acd73bee0), _1951344)
   Exit: (206) [system] peek_char((0x563acd73bee0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_1956064, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_1956996, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x563acd73bee0), i)
   Exit: (206) [system] get_char((0x563acd73bee0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1964346)
   Call: (207) [system] peek_char((0x563acd73bee0), _1965280)
   Exit: (207) [system] peek_char((0x563acd73bee0), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_1970000, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_1970932, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x563acd73bee0), o)
   Exit: (207) [system] get_char((0x563acd73bee0), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1978282)
   Call: (208) [system] peek_char((0x563acd73bee0), _1979216)
   Exit: (208) [system] peek_char((0x563acd73bee0), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Fail: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_1983936, v('(', ')', end_of_file), n)
   Fail: (209) [system] arg(_1984868, v('(', ')', end_of_file), n)
^  Fail: (208) [user] is_delimiter(n)
   Call: (208) [system] ')'==n
   Fail: (208) [system] ')'==n
   Call: (208) [system] get_char((0x563acd73bee0), n)
   Exit: (208) [system] get_char((0x563acd73bee0), n)
   Call: (208) [system] n=(\)
   Fail: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1992218)
   Call: (209) [system] peek_char((0x563acd73bee0), _1993152)
   Exit: (209) [system] peek_char((0x563acd73bee0), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_1997872, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _1992218=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (208) [system] _1978282=[n]
   Exit: (208) [system] [n]=[n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (207) [system] _1964346=[o, n]
   Exit: (207) [system] [o, n]=[o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (206) [system] _1950410=[i, o, n]
   Exit: (206) [system] [i, o, n]=[i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (205) [system] _1936474=[s, i, o, n]
   Exit: (205) [system] [s, i, o, n]=[s, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, i, o, n])
   Call: (204) [system] _1922538=[u, s, i, o, n]
   Exit: (204) [system] [u, s, i, o, n]=[u, s, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, s, i, o, n])
   Call: (203) [system] _1908602=[l, u, s, i, o, n]
   Exit: (203) [system] [l, u, s, i, o, n]=[l, u, s, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, u, s, i, o, n])
   Call: (202) [system] _1894666=[c, l, u, s, i, o, n]
   Exit: (202) [system] [c, l, u, s, i, o, n]=[c, l, u, s, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, l, u, s, i, o, n])
   Call: (201) [system] _1880730=[n, c, l, u, s, i, o, n]
   Exit: (201) [system] [n, c, l, u, s, i, o, n]=[n, c, l, u, s, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, l, u, s, i, o, n])
   Call: (200) [system] _1866794=[o, n, c, l, u, s, i, o, n]
   Exit: (200) [system] [o, n, c, l, u, s, i, o, n]=[o, n, c, l, u, s, i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, c, l, u, s, i, o, n])
   Call: (199) [system] _1852858=[c, o, n, c, l, u, s, i, o, n]
   Exit: (199) [system] [c, o, n, c, l, u, s, i, o, n]=[c, o, n, c, l, u, s, i, o, n]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, o, n, c, l, u, s, i, o, n])
^  Call: (198) [user] classify_and_convert_charseq([$, c, o, n, c, l, u, s, i, o, n], _1817348)
^  Call: (199) [user] classify_and_convert_charseq_([$, c, o, n, c, l, u, s, i, o, n], _2032248)
   Call: (200) [system] atom_chars(_2033180, ['_', c, o, n, c, l, u, s, i, o, n])
   Exit: (200) [system] atom_chars('_conclusion', ['_', c, o, n, c, l, u, s, i, o, n])
^  Exit: (199) [user] classify_and_convert_charseq_([$, c, o, n, c, l, u, s, i, o, n], _conclusion)
   Call: (199) [system] integer(_conclusion)
   Fail: (199) [system] integer(_conclusion)
   Call: (199) [system] _1817348=_conclusion
   Exit: (199) [system] _conclusion=_conclusion
^  Exit: (198) [user] classify_and_convert_charseq([$, c, o, n, c, l, u, s, i, o, n], _conclusion)
^  Exit: (197) [user] read_symbolic(')', (0x563acd73bee0), $, _conclusion)
^  Exit: (196) [user] cont_sexpr(')', (0x563acd73bee0), _conclusion)
^  Call: (196) [user] read_list(')', (0x563acd73bee0), _2042472)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _2044330)
   Exit: (198) [system] peek_char((0x563acd73bee0), ')')
   Call: (198) [system] ')'=(;)
   Fail: (198) [system] ')'=(;)
   Call: (198) [system] ')'=(/)
   Fail: (198) [system] ')'=(/)
^  Call: (198) [user] is_like_space(')')
   Call: (199) [system] char_type(')', 'white')
   Fail: (199) [system] char_type(')', 'white')
   Call: (199) [system] char_type(')', end_of_line)
   Fail: (199) [system] char_type(')', end_of_line)
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] char_type(')', cntrl)
   Fail: (199) [system] char_type(')', cntrl)
^  Fail: (198) [user] is_like_space(')')
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _2060340)
   Exit: (197) [system] peek_char((0x563acd73bee0), ')')
   Call: (197) [system] ')'=')'
   Exit: (197) [system] ')'=')'
   Call: (197) [system] get_char((0x563acd73bee0), _2064130)
   Exit: (197) [system] get_char((0x563acd73bee0), ')')
   Call: (197) [system] _2042472=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_list(')', (0x563acd73bee0), [])
   Call: (196) [system] _1780688=[_conclusion]
   Exit: (196) [system] [_conclusion]=[_conclusion]
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), [_conclusion])
   Call: (195) [system] _531924=[[_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion]
   Exit: (195) [system] [[_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion]=[[_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion]
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), [[_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion])
   Call: (194) [system] _428098=[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion]
   Exit: (194) [system] [:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion]=[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion]
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), [:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion])
^  Exit: (192) [user] cont_sexpr(')', (0x563acd73bee0), [:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion])
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _2078012)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _2079870)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x563acd73bee0), _2089464)
   Exit: (194) [system] get_char((0x563acd73bee0), ' ')
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _2092168)
   Exit: (195) [system] peek_char((0x563acd73bee0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _15894)
   Exit: (193) [system] peek_char((0x563acd73bee0), $)
   Call: (193) [system] ($)=')'
   Fail: (193) [system] ($)=')'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x563acd73bee0), _21464)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _23322)
   Exit: (195) [system] peek_char((0x563acd73bee0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] get_char((0x563acd73bee0), _39332)
   Exit: (194) [system] get_char((0x563acd73bee0), $)
   Call: (194) [system] ($)='('
   Fail: (194) [system] ($)='('
   Call: (194) [system] ($)='['
   Fail: (194) [system] ($)='['
   Call: (194) [system] ($)='{'
   Fail: (194) [system] ($)='{'
   Call: (194) [system] ($)='"'
   Fail: (194) [system] ($)='"'
   Call: (194) [system] ($)=!
   Fail: (194) [system] ($)=!
   Call: (194) [system] ($)='\''
   Fail: (194) [system] ($)='\''
   Call: (194) [system] ($)='`'
   Fail: (194) [system] ($)='`'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x563acd73bee0), $, _21464)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _56974)
   Call: (196) [system] peek_char((0x563acd73bee0), _57908)
   Exit: (196) [system] peek_char((0x563acd73bee0), q)
^  Call: (196) [user] is_delimiter(q)
   Call: (197) [system] char_type(q, space)
   Fail: (197) [system] char_type(q, space)
   Call: (197) [system] arg(_62628, v('(', ')', end_of_file), q)
   Fail: (197) [system] arg(_63560, v('(', ')', end_of_file), q)
^  Fail: (196) [user] is_delimiter(q)
   Call: (196) [system] ')'==q
   Fail: (196) [system] ')'==q
   Call: (196) [system] get_char((0x563acd73bee0), q)
   Exit: (196) [system] get_char((0x563acd73bee0), q)
   Call: (196) [system] q=(\)
   Fail: (196) [system] q=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _70910)
   Call: (197) [system] peek_char((0x563acd73bee0), _71844)
   Exit: (197) [system] peek_char((0x563acd73bee0), u)
^  Call: (197) [user] is_delimiter(u)
   Call: (198) [system] char_type(u, space)
   Fail: (198) [system] char_type(u, space)
   Call: (198) [system] arg(_76564, v('(', ')', end_of_file), u)
   Fail: (198) [system] arg(_77496, v('(', ')', end_of_file), u)
^  Fail: (197) [user] is_delimiter(u)
   Call: (197) [system] ')'==u
   Fail: (197) [system] ')'==u
   Call: (197) [system] get_char((0x563acd73bee0), u)
   Exit: (197) [system] get_char((0x563acd73bee0), u)
   Call: (197) [system] u=(\)
   Fail: (197) [system] u=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _84846)
   Call: (198) [system] peek_char((0x563acd73bee0), _85780)
   Exit: (198) [system] peek_char((0x563acd73bee0), e)
^  Call: (198) [user] is_delimiter(e)
   Call: (199) [system] char_type(e, space)
   Fail: (199) [system] char_type(e, space)
   Call: (199) [system] arg(_90500, v('(', ')', end_of_file), e)
   Fail: (199) [system] arg(_91432, v('(', ')', end_of_file), e)
^  Fail: (198) [user] is_delimiter(e)
   Call: (198) [system] ')'==e
   Fail: (198) [system] ')'==e
   Call: (198) [system] get_char((0x563acd73bee0), e)
   Exit: (198) [system] get_char((0x563acd73bee0), e)
   Call: (198) [system] e=(\)
   Fail: (198) [system] e=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _98782)
   Call: (199) [system] peek_char((0x563acd73bee0), _99716)
   Exit: (199) [system] peek_char((0x563acd73bee0), r)
^  Call: (199) [user] is_delimiter(r)
   Call: (200) [system] char_type(r, space)
   Fail: (200) [system] char_type(r, space)
   Call: (200) [system] arg(_104436, v('(', ')', end_of_file), r)
   Fail: (200) [system] arg(_105368, v('(', ')', end_of_file), r)
^  Fail: (199) [user] is_delimiter(r)
   Call: (199) [system] ')'==r
   Fail: (199) [system] ')'==r
   Call: (199) [system] get_char((0x563acd73bee0), r)
   Exit: (199) [system] get_char((0x563acd73bee0), r)
   Call: (199) [system] r=(\)
   Fail: (199) [system] r=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _112718)
   Call: (200) [system] peek_char((0x563acd73bee0), _113652)
   Exit: (200) [system] peek_char((0x563acd73bee0), y)
^  Call: (200) [user] is_delimiter(y)
   Call: (201) [system] char_type(y, space)
   Fail: (201) [system] char_type(y, space)
   Call: (201) [system] arg(_118372, v('(', ')', end_of_file), y)
   Fail: (201) [system] arg(_119304, v('(', ')', end_of_file), y)
^  Fail: (200) [user] is_delimiter(y)
   Call: (200) [system] ')'==y
   Fail: (200) [system] ')'==y
   Call: (200) [system] get_char((0x563acd73bee0), y)
   Exit: (200) [system] get_char((0x563acd73bee0), y)
   Call: (200) [system] y=(\)
   Fail: (200) [system] y=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _126654)
   Call: (201) [system] peek_char((0x563acd73bee0), _127588)
   Exit: (201) [system] peek_char((0x563acd73bee0), ')')
^  Call: (201) [user] is_delimiter(')')
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] arg(_132308, v('(', ')', end_of_file), ')')
   Exit: (202) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (201) [user] is_delimiter(')')
   Call: (201) [system] _126654=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (200) [system] _112718=[y]
   Exit: (200) [system] [y]=[y]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [y])
   Call: (199) [system] _98782=[r, y]
   Exit: (199) [system] [r, y]=[r, y]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, y])
   Call: (198) [system] _84846=[e, r, y]
   Exit: (198) [system] [e, r, y]=[e, r, y]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, r, y])
   Call: (197) [system] _70910=[u, e, r, y]
   Exit: (197) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, e, r, y])
   Call: (196) [system] _56974=[q, u, e, r, y]
   Exit: (196) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [q, u, e, r, y])
^  Call: (195) [user] classify_and_convert_charseq([$, q, u, e, r, y], _21464)
^  Call: (196) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _152714)
   Call: (197) [system] atom_chars(_153646, ['_', q, u, e, r, y])
   Exit: (197) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (196) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _query)
   Call: (196) [system] integer(_query)
   Fail: (196) [system] integer(_query)
   Call: (196) [system] _21464=_query
   Exit: (196) [system] _query=_query
^  Exit: (195) [user] classify_and_convert_charseq([$, q, u, e, r, y], _query)
^  Exit: (194) [user] read_symbolic(')', (0x563acd73bee0), $, _query)
^  Exit: (193) [user] cont_sexpr(')', (0x563acd73bee0), _query)
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _162938)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _164796)
   Exit: (195) [system] peek_char((0x563acd73bee0), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
   Call: (195) [system] ')'=(/)
   Fail: (195) [system] ')'=(/)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _180806)
   Exit: (194) [system] peek_char((0x563acd73bee0), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x563acd73bee0), _184596)
   Exit: (194) [system] get_char((0x563acd73bee0), ')')
   Call: (194) [system] _162938=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), [])
   Call: (193) [system] _3654=[_query]
   Exit: (193) [system] [_query]=[_query]
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), [_query])
   Call: (192) [system] _3564=[[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query]
   Exit: (192) [system] [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query]=[[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query]
^  Exit: (191) [user] read_list(')', (0x563acd73bee0), [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query])
^  Exit: (190) [user] cont_sexpr(')', (0x563acd73bee0), [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query])
^  Call: (190) [user] read_list(')', (0x563acd73bee0), _195684)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _197542)
   Exit: (192) [system] peek_char((0x563acd73bee0), '\n')
   Call: (192) [system] '\n'=(;)
   Fail: (192) [system] '\n'=(;)
   Call: (192) [system] '\n'=(/)
   Fail: (192) [system] '\n'=(/)
^  Call: (192) [user] is_like_space('\n')
   Call: (193) [system] char_type('\n', 'white')
   Fail: (193) [system] char_type('\n', 'white')
   Call: (193) [system] char_type('\n', end_of_line)
   Exit: (193) [system] char_type('\n', end_of_line)
^  Exit: (192) [user] is_like_space('\n')
   Call: (192) [system] get_char((0x563acd73bee0), _208992)
   Exit: (192) [system] get_char((0x563acd73bee0), '\n')
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _211696)
   Exit: (193) [system] peek_char((0x563acd73bee0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x563acd73bee0), _221290)
   Exit: (193) [system] get_char((0x563acd73bee0), ' ')
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _223994)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x563acd73bee0), _233588)
   Exit: (194) [system] get_char((0x563acd73bee0), ' ')
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _236292)
   Exit: (195) [system] peek_char((0x563acd73bee0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x563acd73bee0), _245886)
   Exit: (195) [system] get_char((0x563acd73bee0), ' ')
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _248590)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x563acd73bee0), _258184)
   Exit: (196) [system] get_char((0x563acd73bee0), ' ')
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _260888)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x563acd73bee0), _270482)
   Exit: (197) [system] get_char((0x563acd73bee0), ' ')
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _273186)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x563acd73bee0), _282780)
   Exit: (198) [system] get_char((0x563acd73bee0), ' ')
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _285484)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x563acd73bee0), _295078)
   Exit: (199) [system] get_char((0x563acd73bee0), ' ')
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _297782)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x563acd73bee0), _307376)
   Exit: (200) [system] get_char((0x563acd73bee0), ' ')
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _310080)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _319674)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _322378)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x563acd73bee0), _331972)
   Exit: (202) [system] get_char((0x563acd73bee0), ' ')
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _334676)
   Exit: (203) [system] peek_char((0x563acd73bee0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _360850)
   Exit: (191) [system] peek_char((0x563acd73bee0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x563acd73bee0), _366420)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _368278)
   Exit: (193) [system] peek_char((0x563acd73bee0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] get_char((0x563acd73bee0), _384288)
   Exit: (192) [system] get_char((0x563acd73bee0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _366420)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _389858)
   Exit: (194) [system] peek_char((0x563acd73bee0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _405868)
   Exit: (193) [system] peek_char((0x563acd73bee0), '(')
   Call: (193) [system] '('=')'
   Fail: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
   Fail: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x563acd73bee0), _411438)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _413296)
   Exit: (195) [system] peek_char((0x563acd73bee0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] get_char((0x563acd73bee0), _429306)
   Exit: (194) [system] get_char((0x563acd73bee0), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _411438)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _434876)
   Exit: (196) [system] peek_char((0x563acd73bee0), :)
   Call: (196) [system] (:)=(;)
   Fail: (196) [system] (:)=(;)
   Call: (196) [system] (:)=(/)
   Fail: (196) [system] (:)=(/)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Fail: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Fail: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Fail: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
   Fail: (197) [system] char_type(:, cntrl)
^  Fail: (196) [user] is_like_space(:)
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _450886)
   Exit: (195) [system] peek_char((0x563acd73bee0), :)
   Call: (195) [system] (:)=')'
   Fail: (195) [system] (:)=')'
   Call: (195) [system] (:)=end_of_file
   Fail: (195) [system] (:)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x563acd73bee0), _456456)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _458314)
   Exit: (197) [system] peek_char((0x563acd73bee0), :)
   Call: (197) [system] (:)=(;)
   Fail: (197) [system] (:)=(;)
   Call: (197) [system] (:)=(/)
   Fail: (197) [system] (:)=(/)
^  Call: (197) [user] is_like_space(:)
   Call: (198) [system] char_type(:, 'white')
   Fail: (198) [system] char_type(:, 'white')
   Call: (198) [system] char_type(:, end_of_line)
   Fail: (198) [system] char_type(:, end_of_line)
   Call: (198) [system] char_type(:, space)
   Fail: (198) [system] char_type(:, space)
   Call: (198) [system] char_type(:, cntrl)
   Fail: (198) [system] char_type(:, cntrl)
^  Fail: (197) [user] is_like_space(:)
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] get_char((0x563acd73bee0), _474324)
   Exit: (196) [system] get_char((0x563acd73bee0), :)
   Call: (196) [system] (:)='('
   Fail: (196) [system] (:)='('
   Call: (196) [system] (:)='['
   Fail: (196) [system] (:)='['
   Call: (196) [system] (:)='{'
   Fail: (196) [system] (:)='{'
   Call: (196) [system] (:)='"'
   Fail: (196) [system] (:)='"'
   Call: (196) [system] (:)=!
   Fail: (196) [system] (:)=!
   Call: (196) [system] (:)='\''
   Fail: (196) [system] (:)='\''
   Call: (196) [system] (:)='`'
   Fail: (196) [system] (:)='`'
   Call: (196) [system] (:)=end_of_file
   Fail: (196) [system] (:)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x563acd73bee0), :, _456456)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _491966)
   Call: (198) [system] peek_char((0x563acd73bee0), _492900)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _491966=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (197) [user] classify_and_convert_charseq([:], _456456)
^  Call: (198) [user] classify_and_convert_charseq_([:], _502184)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_503136, _503138), once(user:catch(read_from_chars([:], _502184), _503118, fail)), '$restore_trace'(_503136, _503138))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_503136, _503138))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _503118, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(:)
   Exit: (199) [system] atomic(:)
^  Exit: (198) [user] classify_and_convert_charseq_([:], :)
   Call: (198) [system] integer(:)
   Fail: (198) [system] integer(:)
   Call: (198) [system] _456456=(:)
   Exit: (198) [system] (:)=(:)
^  Exit: (197) [user] classify_and_convert_charseq([:], :)
^  Exit: (196) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (195) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _515264)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _517122)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x563acd73bee0), _526716)
   Exit: (197) [system] get_char((0x563acd73bee0), ' ')
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _529420)
   Exit: (198) [system] peek_char((0x563acd73bee0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _546354)
   Exit: (196) [system] peek_char((0x563acd73bee0), $)
   Call: (196) [system] ($)=')'
   Fail: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x563acd73bee0), _551924)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _553782)
   Exit: (198) [system] peek_char((0x563acd73bee0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] get_char((0x563acd73bee0), _569792)
   Exit: (197) [system] get_char((0x563acd73bee0), $)
   Call: (197) [system] ($)='('
   Fail: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Fail: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Fail: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Fail: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Fail: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Fail: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Fail: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x563acd73bee0), $, _551924)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _587434)
   Call: (199) [system] peek_char((0x563acd73bee0), _588368)
   Exit: (199) [system] peek_char((0x563acd73bee0), p)
^  Call: (199) [user] is_delimiter(p)
   Call: (200) [system] char_type(p, space)
   Fail: (200) [system] char_type(p, space)
   Call: (200) [system] arg(_593088, v('(', ')', end_of_file), p)
   Fail: (200) [system] arg(_594020, v('(', ')', end_of_file), p)
^  Fail: (199) [user] is_delimiter(p)
   Call: (199) [system] ')'==p
   Fail: (199) [system] ')'==p
   Call: (199) [system] get_char((0x563acd73bee0), p)
   Exit: (199) [system] get_char((0x563acd73bee0), p)
   Call: (199) [system] p=(\)
   Fail: (199) [system] p=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _601370)
   Call: (200) [system] peek_char((0x563acd73bee0), _602304)
   Exit: (200) [system] peek_char((0x563acd73bee0), r)
^  Call: (200) [user] is_delimiter(r)
   Call: (201) [system] char_type(r, space)
   Fail: (201) [system] char_type(r, space)
   Call: (201) [system] arg(_607024, v('(', ')', end_of_file), r)
   Fail: (201) [system] arg(_607956, v('(', ')', end_of_file), r)
^  Fail: (200) [user] is_delimiter(r)
   Call: (200) [system] ')'==r
   Fail: (200) [system] ')'==r
   Call: (200) [system] get_char((0x563acd73bee0), r)
   Exit: (200) [system] get_char((0x563acd73bee0), r)
   Call: (200) [system] r=(\)
   Fail: (200) [system] r=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _615306)
   Call: (201) [system] peek_char((0x563acd73bee0), _616240)
   Exit: (201) [system] peek_char((0x563acd73bee0), o)
^  Call: (201) [user] is_delimiter(o)
   Call: (202) [system] char_type(o, space)
   Fail: (202) [system] char_type(o, space)
   Call: (202) [system] arg(_620960, v('(', ')', end_of_file), o)
   Fail: (202) [system] arg(_621892, v('(', ')', end_of_file), o)
^  Fail: (201) [user] is_delimiter(o)
   Call: (201) [system] ')'==o
   Fail: (201) [system] ')'==o
   Call: (201) [system] get_char((0x563acd73bee0), o)
   Exit: (201) [system] get_char((0x563acd73bee0), o)
   Call: (201) [system] o=(\)
   Fail: (201) [system] o=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _629242)
   Call: (202) [system] peek_char((0x563acd73bee0), _630176)
   Exit: (202) [system] peek_char((0x563acd73bee0), o)
^  Call: (202) [user] is_delimiter(o)
   Call: (203) [system] char_type(o, space)
   Fail: (203) [system] char_type(o, space)
   Call: (203) [system] arg(_634896, v('(', ')', end_of_file), o)
   Fail: (203) [system] arg(_635828, v('(', ')', end_of_file), o)
^  Fail: (202) [user] is_delimiter(o)
   Call: (202) [system] ')'==o
   Fail: (202) [system] ')'==o
   Call: (202) [system] get_char((0x563acd73bee0), o)
   Exit: (202) [system] get_char((0x563acd73bee0), o)
   Call: (202) [system] o=(\)
   Fail: (202) [system] o=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _643178)
   Call: (203) [system] peek_char((0x563acd73bee0), _644112)
   Exit: (203) [system] peek_char((0x563acd73bee0), f)
^  Call: (203) [user] is_delimiter(f)
   Call: (204) [system] char_type(f, space)
   Fail: (204) [system] char_type(f, space)
   Call: (204) [system] arg(_648832, v('(', ')', end_of_file), f)
   Fail: (204) [system] arg(_649764, v('(', ')', end_of_file), f)
^  Fail: (203) [user] is_delimiter(f)
   Call: (203) [system] ')'==f
   Fail: (203) [system] ')'==f
   Call: (203) [system] get_char((0x563acd73bee0), f)
   Exit: (203) [system] get_char((0x563acd73bee0), f)
   Call: (203) [system] f=(\)
   Fail: (203) [system] f=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _657114)
   Call: (204) [system] peek_char((0x563acd73bee0), _658048)
   Exit: (204) [system] peek_char((0x563acd73bee0), '1')
^  Call: (204) [user] is_delimiter('1')
   Call: (205) [system] char_type('1', space)
   Fail: (205) [system] char_type('1', space)
   Call: (205) [system] arg(_662768, v('(', ')', end_of_file), '1')
   Fail: (205) [system] arg(_663700, v('(', ')', end_of_file), '1')
^  Fail: (204) [user] is_delimiter('1')
   Call: (204) [system] ')'=='1'
   Fail: (204) [system] ')'=='1'
   Call: (204) [system] get_char((0x563acd73bee0), '1')
   Exit: (204) [system] get_char((0x563acd73bee0), '1')
   Call: (204) [system] '1'=(\)
   Fail: (204) [system] '1'=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _671050)
   Call: (205) [system] peek_char((0x563acd73bee0), _671984)
   Exit: (205) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _671050=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (204) [system] _657114=['1']
   Exit: (204) [system] ['1']=['1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), ['1'])
   Call: (203) [system] _643178=[f, '1']
   Exit: (203) [system] [f, '1']=[f, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [f, '1'])
   Call: (202) [system] _629242=[o, f, '1']
   Exit: (202) [system] [o, f, '1']=[o, f, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, f, '1'])
   Call: (201) [system] _615306=[o, o, f, '1']
   Exit: (201) [system] [o, o, f, '1']=[o, o, f, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, o, f, '1'])
   Call: (200) [system] _601370=[r, o, o, f, '1']
   Exit: (200) [system] [r, o, o, f, '1']=[r, o, o, f, '1']
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, o, f, '1'])
   Call: (199) [system] _587434=[p, r, o, o, f, '1']
   Exit: (199) [system] [p, r, o, o, f, '1']=[p, r, o, o, f, '1']
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, o, o, f, '1'])
^  Call: (198) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _551924)
^  Call: (199) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _698032)
   Call: (200) [system] atom_chars(_698964, ['_', p, r, o, o, f, '1'])
   Exit: (200) [system] atom_chars('_proof1', ['_', p, r, o, o, f, '1'])
^  Exit: (199) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _proof1)
   Call: (199) [system] integer(_proof1)
   Fail: (199) [system] integer(_proof1)
   Call: (199) [system] _551924=_proof1
   Exit: (199) [system] _proof1=_proof1
^  Exit: (198) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _proof1)
^  Exit: (197) [user] read_symbolic(')', (0x563acd73bee0), $, _proof1)
^  Exit: (196) [user] cont_sexpr(')', (0x563acd73bee0), _proof1)
^  Call: (196) [user] read_list(')', (0x563acd73bee0), _708256)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _710114)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x563acd73bee0), _719708)
   Exit: (198) [system] get_char((0x563acd73bee0), ' ')
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _722412)
   Exit: (199) [system] peek_char((0x563acd73bee0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _739346)
   Exit: (197) [system] peek_char((0x563acd73bee0), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x563acd73bee0), _744916)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _746774)
   Exit: (199) [system] peek_char((0x563acd73bee0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] get_char((0x563acd73bee0), _762784)
   Exit: (198) [system] get_char((0x563acd73bee0), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x563acd73bee0), $, _744916)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _780426)
   Call: (200) [system] peek_char((0x563acd73bee0), _781360)
   Exit: (200) [system] peek_char((0x563acd73bee0), p)
^  Call: (200) [user] is_delimiter(p)
   Call: (201) [system] char_type(p, space)
   Fail: (201) [system] char_type(p, space)
   Call: (201) [system] arg(_786080, v('(', ')', end_of_file), p)
   Fail: (201) [system] arg(_787012, v('(', ')', end_of_file), p)
^  Fail: (200) [user] is_delimiter(p)
   Call: (200) [system] ')'==p
   Fail: (200) [system] ')'==p
   Call: (200) [system] get_char((0x563acd73bee0), p)
   Exit: (200) [system] get_char((0x563acd73bee0), p)
   Call: (200) [system] p=(\)
   Fail: (200) [system] p=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _794362)
   Call: (201) [system] peek_char((0x563acd73bee0), _795296)
   Exit: (201) [system] peek_char((0x563acd73bee0), r)
^  Call: (201) [user] is_delimiter(r)
   Call: (202) [system] char_type(r, space)
   Fail: (202) [system] char_type(r, space)
   Call: (202) [system] arg(_800016, v('(', ')', end_of_file), r)
   Fail: (202) [system] arg(_800948, v('(', ')', end_of_file), r)
^  Fail: (201) [user] is_delimiter(r)
   Call: (201) [system] ')'==r
   Fail: (201) [system] ')'==r
   Call: (201) [system] get_char((0x563acd73bee0), r)
   Exit: (201) [system] get_char((0x563acd73bee0), r)
   Call: (201) [system] r=(\)
   Fail: (201) [system] r=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _808298)
   Call: (202) [system] peek_char((0x563acd73bee0), _809232)
   Exit: (202) [system] peek_char((0x563acd73bee0), e)
^  Call: (202) [user] is_delimiter(e)
   Call: (203) [system] char_type(e, space)
   Fail: (203) [system] char_type(e, space)
   Call: (203) [system] arg(_813952, v('(', ')', end_of_file), e)
   Fail: (203) [system] arg(_814884, v('(', ')', end_of_file), e)
^  Fail: (202) [user] is_delimiter(e)
   Call: (202) [system] ')'==e
   Fail: (202) [system] ')'==e
   Call: (202) [system] get_char((0x563acd73bee0), e)
   Exit: (202) [system] get_char((0x563acd73bee0), e)
   Call: (202) [system] e=(\)
   Fail: (202) [system] e=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _822234)
   Call: (203) [system] peek_char((0x563acd73bee0), _823168)
   Exit: (203) [system] peek_char((0x563acd73bee0), m)
^  Call: (203) [user] is_delimiter(m)
   Call: (204) [system] char_type(m, space)
   Fail: (204) [system] char_type(m, space)
   Call: (204) [system] arg(_827888, v('(', ')', end_of_file), m)
   Fail: (204) [system] arg(_828820, v('(', ')', end_of_file), m)
^  Fail: (203) [user] is_delimiter(m)
   Call: (203) [system] ')'==m
   Fail: (203) [system] ')'==m
   Call: (203) [system] get_char((0x563acd73bee0), m)
   Exit: (203) [system] get_char((0x563acd73bee0), m)
   Call: (203) [system] m=(\)
   Fail: (203) [system] m=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _836170)
   Call: (204) [system] peek_char((0x563acd73bee0), _837104)
   Exit: (204) [system] peek_char((0x563acd73bee0), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Fail: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_841824, v('(', ')', end_of_file), i)
   Fail: (205) [system] arg(_842756, v('(', ')', end_of_file), i)
^  Fail: (204) [user] is_delimiter(i)
   Call: (204) [system] ')'==i
   Fail: (204) [system] ')'==i
   Call: (204) [system] get_char((0x563acd73bee0), i)
   Exit: (204) [system] get_char((0x563acd73bee0), i)
   Call: (204) [system] i=(\)
   Fail: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _850106)
   Call: (205) [system] peek_char((0x563acd73bee0), _851040)
   Exit: (205) [system] peek_char((0x563acd73bee0), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Fail: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_855760, v('(', ')', end_of_file), s)
   Fail: (206) [system] arg(_856692, v('(', ')', end_of_file), s)
^  Fail: (205) [user] is_delimiter(s)
   Call: (205) [system] ')'==s
   Fail: (205) [system] ')'==s
   Call: (205) [system] get_char((0x563acd73bee0), s)
   Exit: (205) [system] get_char((0x563acd73bee0), s)
   Call: (205) [system] s=(\)
   Fail: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _864042)
   Call: (206) [system] peek_char((0x563acd73bee0), _864976)
   Exit: (206) [system] peek_char((0x563acd73bee0), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Fail: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_869696, v('(', ')', end_of_file), e)
   Fail: (207) [system] arg(_870628, v('(', ')', end_of_file), e)
^  Fail: (206) [user] is_delimiter(e)
   Call: (206) [system] ')'==e
   Fail: (206) [system] ')'==e
   Call: (206) [system] get_char((0x563acd73bee0), e)
   Exit: (206) [system] get_char((0x563acd73bee0), e)
   Call: (206) [system] e=(\)
   Fail: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _877978)
   Call: (207) [system] peek_char((0x563acd73bee0), _878912)
   Exit: (207) [system] peek_char((0x563acd73bee0), '1')
^  Call: (207) [user] is_delimiter('1')
   Call: (208) [system] char_type('1', space)
   Fail: (208) [system] char_type('1', space)
   Call: (208) [system] arg(_883632, v('(', ')', end_of_file), '1')
   Fail: (208) [system] arg(_884564, v('(', ')', end_of_file), '1')
^  Fail: (207) [user] is_delimiter('1')
   Call: (207) [system] ')'=='1'
   Fail: (207) [system] ')'=='1'
   Call: (207) [system] get_char((0x563acd73bee0), '1')
   Exit: (207) [system] get_char((0x563acd73bee0), '1')
   Call: (207) [system] '1'=(\)
   Fail: (207) [system] '1'=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _891914)
   Call: (208) [system] peek_char((0x563acd73bee0), _892848)
   Exit: (208) [system] peek_char((0x563acd73bee0), ')')
^  Call: (208) [user] is_delimiter(')')
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] arg(_897568, v('(', ')', end_of_file), ')')
   Exit: (209) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (208) [user] is_delimiter(')')
   Call: (208) [system] _891914=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (207) [system] _877978=['1']
   Exit: (207) [system] ['1']=['1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), ['1'])
   Call: (206) [system] _864042=[e, '1']
   Exit: (206) [system] [e, '1']=[e, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, '1'])
   Call: (205) [system] _850106=[s, e, '1']
   Exit: (205) [system] [s, e, '1']=[s, e, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, e, '1'])
   Call: (204) [system] _836170=[i, s, e, '1']
   Exit: (204) [system] [i, s, e, '1']=[i, s, e, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, e, '1'])
   Call: (203) [system] _822234=[m, i, s, e, '1']
   Exit: (203) [system] [m, i, s, e, '1']=[m, i, s, e, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, i, s, e, '1'])
   Call: (202) [system] _808298=[e, m, i, s, e, '1']
   Exit: (202) [system] [e, m, i, s, e, '1']=[e, m, i, s, e, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, m, i, s, e, '1'])
   Call: (201) [system] _794362=[r, e, m, i, s, e, '1']
   Exit: (201) [system] [r, e, m, i, s, e, '1']=[r, e, m, i, s, e, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, e, m, i, s, e, '1'])
   Call: (200) [system] _780426=[p, r, e, m, i, s, e, '1']
   Exit: (200) [system] [p, r, e, m, i, s, e, '1']=[p, r, e, m, i, s, e, '1']
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, e, m, i, s, e, '1'])
^  Call: (199) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _744916)
^  Call: (200) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _926356)
   Call: (201) [system] atom_chars(_927288, ['_', p, r, e, m, i, s, e, '1'])
   Exit: (201) [system] atom_chars('_premise1', ['_', p, r, e, m, i, s, e, '1'])
^  Exit: (200) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _premise1)
   Call: (200) [system] integer(_premise1)
   Fail: (200) [system] integer(_premise1)
   Call: (200) [system] _744916=_premise1
   Exit: (200) [system] _premise1=_premise1
^  Exit: (199) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _premise1)
^  Exit: (198) [user] read_symbolic(')', (0x563acd73bee0), $, _premise1)
^  Exit: (197) [user] cont_sexpr(')', (0x563acd73bee0), _premise1)
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _936580)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _938438)
   Exit: (199) [system] peek_char((0x563acd73bee0), ')')
   Call: (199) [system] ')'=(;)
   Fail: (199) [system] ')'=(;)
   Call: (199) [system] ')'=(/)
   Fail: (199) [system] ')'=(/)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Fail: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Fail: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
   Fail: (200) [system] char_type(')', cntrl)
^  Fail: (199) [user] is_like_space(')')
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _954448)
   Exit: (198) [system] peek_char((0x563acd73bee0), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x563acd73bee0), _958238)
   Exit: (198) [system] get_char((0x563acd73bee0), ')')
   Call: (198) [system] _936580=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x563acd73bee0), [])
   Call: (197) [system] _708256=[_premise1]
   Exit: (197) [system] [_premise1]=[_premise1]
^  Exit: (196) [user] read_list(')', (0x563acd73bee0), [_premise1])
   Call: (196) [system] _515264=[_proof1, _premise1]
   Exit: (196) [system] [_proof1, _premise1]=[_proof1, _premise1]
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), [_proof1, _premise1])
   Call: (195) [system] _411438=[:, _proof1, _premise1]
   Exit: (195) [system] [:, _proof1, _premise1]=[:, _proof1, _premise1]
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), [:, _proof1, _premise1])
^  Exit: (193) [user] cont_sexpr(')', (0x563acd73bee0), [:, _proof1, _premise1])
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _972120)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _973978)
   Exit: (195) [system] peek_char((0x563acd73bee0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x563acd73bee0), _983572)
   Exit: (195) [system] get_char((0x563acd73bee0), ' ')
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _986276)
   Exit: (196) [system] peek_char((0x563acd73bee0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1003210)
   Exit: (194) [system] peek_char((0x563acd73bee0), '(')
   Call: (194) [system] '('=')'
   Fail: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
   Fail: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x563acd73bee0), _1008780)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1010638)
   Exit: (196) [system] peek_char((0x563acd73bee0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] get_char((0x563acd73bee0), _1026648)
   Exit: (195) [system] get_char((0x563acd73bee0), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _1008780)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1032218)
   Exit: (197) [system] peek_char((0x563acd73bee0), s)
   Call: (197) [system] s=(;)
   Fail: (197) [system] s=(;)
   Call: (197) [system] s=(/)
   Fail: (197) [system] s=(/)
^  Call: (197) [user] is_like_space(s)
   Call: (198) [system] char_type(s, 'white')
   Fail: (198) [system] char_type(s, 'white')
   Call: (198) [system] char_type(s, end_of_line)
   Fail: (198) [system] char_type(s, end_of_line)
   Call: (198) [system] char_type(s, space)
   Fail: (198) [system] char_type(s, space)
   Call: (198) [system] char_type(s, cntrl)
   Fail: (198) [system] char_type(s, cntrl)
^  Fail: (197) [user] is_like_space(s)
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1048228)
   Exit: (196) [system] peek_char((0x563acd73bee0), s)
   Call: (196) [system] s=')'
   Fail: (196) [system] s=')'
   Call: (196) [system] s=end_of_file
   Fail: (196) [system] s=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x563acd73bee0), _1053798)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1055656)
   Exit: (198) [system] peek_char((0x563acd73bee0), s)
   Call: (198) [system] s=(;)
   Fail: (198) [system] s=(;)
   Call: (198) [system] s=(/)
   Fail: (198) [system] s=(/)
^  Call: (198) [user] is_like_space(s)
   Call: (199) [system] char_type(s, 'white')
   Fail: (199) [system] char_type(s, 'white')
   Call: (199) [system] char_type(s, end_of_line)
   Fail: (199) [system] char_type(s, end_of_line)
   Call: (199) [system] char_type(s, space)
   Fail: (199) [system] char_type(s, space)
   Call: (199) [system] char_type(s, cntrl)
   Fail: (199) [system] char_type(s, cntrl)
^  Fail: (198) [user] is_like_space(s)
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] get_char((0x563acd73bee0), _1071666)
   Exit: (197) [system] get_char((0x563acd73bee0), s)
   Call: (197) [system] s='('
   Fail: (197) [system] s='('
   Call: (197) [system] s='['
   Fail: (197) [system] s='['
   Call: (197) [system] s='{'
   Fail: (197) [system] s='{'
   Call: (197) [system] s='"'
   Fail: (197) [system] s='"'
   Call: (197) [system] s=!
   Fail: (197) [system] s=!
   Call: (197) [system] s='\''
   Fail: (197) [system] s='\''
   Call: (197) [system] s='`'
   Fail: (197) [system] s='`'
   Call: (197) [system] s=end_of_file
   Fail: (197) [system] s=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x563acd73bee0), s, _1053798)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _1089308)
   Call: (199) [system] peek_char((0x563acd73bee0), _1090242)
   Exit: (199) [system] peek_char((0x563acd73bee0), y)
^  Call: (199) [user] is_delimiter(y)
   Call: (200) [system] char_type(y, space)
   Fail: (200) [system] char_type(y, space)
   Call: (200) [system] arg(_1094962, v('(', ')', end_of_file), y)
   Fail: (200) [system] arg(_1095894, v('(', ')', end_of_file), y)
^  Fail: (199) [user] is_delimiter(y)
   Call: (199) [system] ')'==y
   Fail: (199) [system] ')'==y
   Call: (199) [system] get_char((0x563acd73bee0), y)
   Exit: (199) [system] get_char((0x563acd73bee0), y)
   Call: (199) [system] y=(\)
   Fail: (199) [system] y=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _1103244)
   Call: (200) [system] peek_char((0x563acd73bee0), _1104178)
   Exit: (200) [system] peek_char((0x563acd73bee0), n)
^  Call: (200) [user] is_delimiter(n)
   Call: (201) [system] char_type(n, space)
   Fail: (201) [system] char_type(n, space)
   Call: (201) [system] arg(_1108898, v('(', ')', end_of_file), n)
   Fail: (201) [system] arg(_1109830, v('(', ')', end_of_file), n)
^  Fail: (200) [user] is_delimiter(n)
   Call: (200) [system] ')'==n
   Fail: (200) [system] ')'==n
   Call: (200) [system] get_char((0x563acd73bee0), n)
   Exit: (200) [system] get_char((0x563acd73bee0), n)
   Call: (200) [system] n=(\)
   Fail: (200) [system] n=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _1117180)
   Call: (201) [system] peek_char((0x563acd73bee0), _1118114)
   Exit: (201) [system] peek_char((0x563acd73bee0), t)
^  Call: (201) [user] is_delimiter(t)
   Call: (202) [system] char_type(t, space)
   Fail: (202) [system] char_type(t, space)
   Call: (202) [system] arg(_1122834, v('(', ')', end_of_file), t)
   Fail: (202) [system] arg(_1123766, v('(', ')', end_of_file), t)
^  Fail: (201) [user] is_delimiter(t)
   Call: (201) [system] ')'==t
   Fail: (201) [system] ')'==t
   Call: (201) [system] get_char((0x563acd73bee0), t)
   Exit: (201) [system] get_char((0x563acd73bee0), t)
   Call: (201) [system] t=(\)
   Fail: (201) [system] t=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _1131116)
   Call: (202) [system] peek_char((0x563acd73bee0), _1132050)
   Exit: (202) [system] peek_char((0x563acd73bee0), h)
^  Call: (202) [user] is_delimiter(h)
   Call: (203) [system] char_type(h, space)
   Fail: (203) [system] char_type(h, space)
   Call: (203) [system] arg(_1136770, v('(', ')', end_of_file), h)
   Fail: (203) [system] arg(_1137702, v('(', ')', end_of_file), h)
^  Fail: (202) [user] is_delimiter(h)
   Call: (202) [system] ')'==h
   Fail: (202) [system] ')'==h
   Call: (202) [system] get_char((0x563acd73bee0), h)
   Exit: (202) [system] get_char((0x563acd73bee0), h)
   Call: (202) [system] h=(\)
   Fail: (202) [system] h=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1145052)
   Call: (203) [system] peek_char((0x563acd73bee0), _1145986)
   Exit: (203) [system] peek_char((0x563acd73bee0), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Fail: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_1150706, v('(', ')', end_of_file), e)
   Fail: (204) [system] arg(_1151638, v('(', ')', end_of_file), e)
^  Fail: (203) [user] is_delimiter(e)
   Call: (203) [system] ')'==e
   Fail: (203) [system] ')'==e
   Call: (203) [system] get_char((0x563acd73bee0), e)
   Exit: (203) [system] get_char((0x563acd73bee0), e)
   Call: (203) [system] e=(\)
   Fail: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1158988)
   Call: (204) [system] peek_char((0x563acd73bee0), _1159922)
   Exit: (204) [system] peek_char((0x563acd73bee0), s)
^  Call: (204) [user] is_delimiter(s)
   Call: (205) [system] char_type(s, space)
   Fail: (205) [system] char_type(s, space)
   Call: (205) [system] arg(_1164642, v('(', ')', end_of_file), s)
   Fail: (205) [system] arg(_1165574, v('(', ')', end_of_file), s)
^  Fail: (204) [user] is_delimiter(s)
   Call: (204) [system] ')'==s
   Fail: (204) [system] ')'==s
   Call: (204) [system] get_char((0x563acd73bee0), s)
   Exit: (204) [system] get_char((0x563acd73bee0), s)
   Call: (204) [system] s=(\)
   Fail: (204) [system] s=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1172924)
   Call: (205) [system] peek_char((0x563acd73bee0), _1173858)
   Exit: (205) [system] peek_char((0x563acd73bee0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_1178578, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_1179510, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x563acd73bee0), i)
   Exit: (205) [system] get_char((0x563acd73bee0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1186860)
   Call: (206) [system] peek_char((0x563acd73bee0), _1187794)
   Exit: (206) [system] peek_char((0x563acd73bee0), z)
^  Call: (206) [user] is_delimiter(z)
   Call: (207) [system] char_type(z, space)
   Fail: (207) [system] char_type(z, space)
   Call: (207) [system] arg(_1192514, v('(', ')', end_of_file), z)
   Fail: (207) [system] arg(_1193446, v('(', ')', end_of_file), z)
^  Fail: (206) [user] is_delimiter(z)
   Call: (206) [system] ')'==z
   Fail: (206) [system] ')'==z
   Call: (206) [system] get_char((0x563acd73bee0), z)
   Exit: (206) [system] get_char((0x563acd73bee0), z)
   Call: (206) [system] z=(\)
   Fail: (206) [system] z=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1200796)
   Call: (207) [system] peek_char((0x563acd73bee0), _1201730)
   Exit: (207) [system] peek_char((0x563acd73bee0), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_1206450, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_1207382, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x563acd73bee0), e)
   Exit: (207) [system] get_char((0x563acd73bee0), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1214732)
   Call: (208) [system] peek_char((0x563acd73bee0), _1215666)
   Exit: (208) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _1214732=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (207) [system] _1200796=[e]
   Exit: (207) [system] [e]=[e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [e])
   Call: (206) [system] _1186860=[z, e]
   Exit: (206) [system] [z, e]=[z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [z, e])
   Call: (205) [system] _1172924=[i, z, e]
   Exit: (205) [system] [i, z, e]=[i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, z, e])
   Call: (204) [system] _1158988=[s, i, z, e]
   Exit: (204) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, i, z, e])
   Call: (203) [system] _1145052=[e, s, i, z, e]
   Exit: (203) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, s, i, z, e])
   Call: (202) [system] _1131116=[h, e, s, i, z, e]
   Exit: (202) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [h, e, s, i, z, e])
   Call: (201) [system] _1117180=[t, h, e, s, i, z, e]
   Exit: (201) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, h, e, s, i, z, e])
   Call: (200) [system] _1103244=[n, t, h, e, s, i, z, e]
   Exit: (200) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, h, e, s, i, z, e])
   Call: (199) [system] _1089308=[y, n, t, h, e, s, i, z, e]
   Exit: (199) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [y, n, t, h, e, s, i, z, e])
^  Call: (198) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _1053798)
^  Call: (199) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _1250096)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_1251048, _1251050), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _1250096), _1251030, fail)), '$restore_trace'(_1251048, _1251050))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_1251048, _1251050))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _1251030, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(synthesize)
   Exit: (200) [system] atomic(synthesize)
^  Exit: (199) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (199) [system] integer(synthesize)
   Fail: (199) [system] integer(synthesize)
   Call: (199) [system] _1053798=synthesize
   Exit: (199) [system] synthesize=synthesize
^  Exit: (198) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (197) [user] read_symbolic(')', (0x563acd73bee0), s, synthesize)
^  Exit: (196) [user] cont_sexpr(')', (0x563acd73bee0), synthesize)
^  Call: (196) [user] read_list(')', (0x563acd73bee0), _1263176)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1265034)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x563acd73bee0), _1274628)
   Exit: (198) [system] get_char((0x563acd73bee0), ' ')
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1277332)
   Exit: (199) [system] peek_char((0x563acd73bee0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1294266)
   Exit: (197) [system] peek_char((0x563acd73bee0), '(')
   Call: (197) [system] '('=')'
   Fail: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
   Fail: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x563acd73bee0), _1299836)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1301694)
   Exit: (199) [system] peek_char((0x563acd73bee0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] get_char((0x563acd73bee0), _1317704)
   Exit: (198) [system] get_char((0x563acd73bee0), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _1299836)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1323274)
   Exit: (200) [system] peek_char((0x563acd73bee0), :)
   Call: (200) [system] (:)=(;)
   Fail: (200) [system] (:)=(;)
   Call: (200) [system] (:)=(/)
   Fail: (200) [system] (:)=(/)
^  Call: (200) [user] is_like_space(:)
   Call: (201) [system] char_type(:, 'white')
   Fail: (201) [system] char_type(:, 'white')
   Call: (201) [system] char_type(:, end_of_line)
   Fail: (201) [system] char_type(:, end_of_line)
   Call: (201) [system] char_type(:, space)
   Fail: (201) [system] char_type(:, space)
   Call: (201) [system] char_type(:, cntrl)
   Fail: (201) [system] char_type(:, cntrl)
^  Fail: (200) [user] is_like_space(:)
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1339284)
   Exit: (199) [system] peek_char((0x563acd73bee0), :)
   Call: (199) [system] (:)=')'
   Fail: (199) [system] (:)=')'
   Call: (199) [system] (:)=end_of_file
   Fail: (199) [system] (:)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x563acd73bee0), _1344854)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1346712)
   Exit: (201) [system] peek_char((0x563acd73bee0), :)
   Call: (201) [system] (:)=(;)
   Fail: (201) [system] (:)=(;)
   Call: (201) [system] (:)=(/)
   Fail: (201) [system] (:)=(/)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Fail: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Fail: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Fail: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
   Fail: (202) [system] char_type(:, cntrl)
^  Fail: (201) [user] is_like_space(:)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] get_char((0x563acd73bee0), _1362722)
   Exit: (200) [system] get_char((0x563acd73bee0), :)
   Call: (200) [system] (:)='('
   Fail: (200) [system] (:)='('
   Call: (200) [system] (:)='['
   Fail: (200) [system] (:)='['
   Call: (200) [system] (:)='{'
   Fail: (200) [system] (:)='{'
   Call: (200) [system] (:)='"'
   Fail: (200) [system] (:)='"'
   Call: (200) [system] (:)=!
   Fail: (200) [system] (:)=!
   Call: (200) [system] (:)='\''
   Fail: (200) [system] (:)='\''
   Call: (200) [system] (:)='`'
   Fail: (200) [system] (:)='`'
   Call: (200) [system] (:)=end_of_file
   Fail: (200) [system] (:)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x563acd73bee0), :, _1344854)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _1380364)
   Call: (202) [system] peek_char((0x563acd73bee0), _1381298)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _1380364=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (201) [user] classify_and_convert_charseq([:], _1344854)
^  Call: (202) [user] classify_and_convert_charseq_([:], _1390582)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_1391534, _1391536), once(user:catch(read_from_chars([:], _1390582), _1391516, fail)), '$restore_trace'(_1391534, _1391536))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_1391534, _1391536))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1391516, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(:)
   Exit: (203) [system] atomic(:)
^  Exit: (202) [user] classify_and_convert_charseq_([:], :)
   Call: (202) [system] integer(:)
   Fail: (202) [system] integer(:)
   Call: (202) [system] _1344854=(:)
   Exit: (202) [system] (:)=(:)
^  Exit: (201) [user] classify_and_convert_charseq([:], :)
^  Exit: (200) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (199) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _1403662)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1405520)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _1415114)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1417818)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1434752)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x563acd73bee0), _1440322)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1442180)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] get_char((0x563acd73bee0), _1458190)
   Exit: (201) [system] get_char((0x563acd73bee0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x563acd73bee0), $, _1440322)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1475832)
   Call: (203) [system] peek_char((0x563acd73bee0), _1476766)
   Exit: (203) [system] peek_char((0x563acd73bee0), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Fail: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_1481486, v('(', ')', end_of_file), p)
   Fail: (204) [system] arg(_1482418, v('(', ')', end_of_file), p)
^  Fail: (203) [user] is_delimiter(p)
   Call: (203) [system] ')'==p
   Fail: (203) [system] ')'==p
   Call: (203) [system] get_char((0x563acd73bee0), p)
   Exit: (203) [system] get_char((0x563acd73bee0), p)
   Call: (203) [system] p=(\)
   Fail: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1489768)
   Call: (204) [system] peek_char((0x563acd73bee0), _1490702)
   Exit: (204) [system] peek_char((0x563acd73bee0), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_1495422, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_1496354, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x563acd73bee0), r)
   Exit: (204) [system] get_char((0x563acd73bee0), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1503704)
   Call: (205) [system] peek_char((0x563acd73bee0), _1504638)
   Exit: (205) [system] peek_char((0x563acd73bee0), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_1509358, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_1510290, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x563acd73bee0), o)
   Exit: (205) [system] get_char((0x563acd73bee0), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1517640)
   Call: (206) [system] peek_char((0x563acd73bee0), _1518574)
   Exit: (206) [system] peek_char((0x563acd73bee0), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_1523294, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_1524226, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x563acd73bee0), o)
   Exit: (206) [system] get_char((0x563acd73bee0), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1531576)
   Call: (207) [system] peek_char((0x563acd73bee0), _1532510)
   Exit: (207) [system] peek_char((0x563acd73bee0), f)
^  Call: (207) [user] is_delimiter(f)
   Call: (208) [system] char_type(f, space)
   Fail: (208) [system] char_type(f, space)
   Call: (208) [system] arg(_1537230, v('(', ')', end_of_file), f)
   Fail: (208) [system] arg(_1538162, v('(', ')', end_of_file), f)
^  Fail: (207) [user] is_delimiter(f)
   Call: (207) [system] ')'==f
   Fail: (207) [system] ')'==f
   Call: (207) [system] get_char((0x563acd73bee0), f)
   Exit: (207) [system] get_char((0x563acd73bee0), f)
   Call: (207) [system] f=(\)
   Fail: (207) [system] f=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1545512)
   Call: (208) [system] peek_char((0x563acd73bee0), _1546446)
   Exit: (208) [system] peek_char((0x563acd73bee0), '1')
^  Call: (208) [user] is_delimiter('1')
   Call: (209) [system] char_type('1', space)
   Fail: (209) [system] char_type('1', space)
   Call: (209) [system] arg(_1551166, v('(', ')', end_of_file), '1')
   Fail: (209) [system] arg(_1552098, v('(', ')', end_of_file), '1')
^  Fail: (208) [user] is_delimiter('1')
   Call: (208) [system] ')'=='1'
   Fail: (208) [system] ')'=='1'
   Call: (208) [system] get_char((0x563acd73bee0), '1')
   Exit: (208) [system] get_char((0x563acd73bee0), '1')
   Call: (208) [system] '1'=(\)
   Fail: (208) [system] '1'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1559448)
   Call: (209) [system] peek_char((0x563acd73bee0), _1560382)
   Exit: (209) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _1559448=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (208) [system] _1545512=['1']
   Exit: (208) [system] ['1']=['1']
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), ['1'])
   Call: (207) [system] _1531576=[f, '1']
   Exit: (207) [system] [f, '1']=[f, '1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [f, '1'])
   Call: (206) [system] _1517640=[o, f, '1']
   Exit: (206) [system] [o, f, '1']=[o, f, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, f, '1'])
   Call: (205) [system] _1503704=[o, o, f, '1']
   Exit: (205) [system] [o, o, f, '1']=[o, o, f, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, o, f, '1'])
   Call: (204) [system] _1489768=[r, o, o, f, '1']
   Exit: (204) [system] [r, o, o, f, '1']=[r, o, o, f, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, o, f, '1'])
   Call: (203) [system] _1475832=[p, r, o, o, f, '1']
   Exit: (203) [system] [p, r, o, o, f, '1']=[p, r, o, o, f, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, o, o, f, '1'])
^  Call: (202) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _1440322)
^  Call: (203) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _1586430)
   Call: (204) [system] atom_chars(_1587362, ['_', p, r, o, o, f, '1'])
   Exit: (204) [system] atom_chars('_proof1', ['_', p, r, o, o, f, '1'])
^  Exit: (203) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '1'], _proof1)
   Call: (203) [system] integer(_proof1)
   Fail: (203) [system] integer(_proof1)
   Call: (203) [system] _1440322=_proof1
   Exit: (203) [system] _proof1=_proof1
^  Exit: (202) [user] classify_and_convert_charseq([$, p, r, o, o, f, '1'], _proof1)
^  Exit: (201) [user] read_symbolic(')', (0x563acd73bee0), $, _proof1)
^  Exit: (200) [user] cont_sexpr(')', (0x563acd73bee0), _proof1)
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _1596654)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1598512)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x563acd73bee0), _1608106)
   Exit: (202) [system] get_char((0x563acd73bee0), ' ')
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1610810)
   Exit: (203) [system] peek_char((0x563acd73bee0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1627744)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x563acd73bee0), _1633314)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1635172)
   Exit: (203) [system] peek_char((0x563acd73bee0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] get_char((0x563acd73bee0), _1651182)
   Exit: (202) [system] get_char((0x563acd73bee0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x563acd73bee0), $, _1633314)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1668824)
   Call: (204) [system] peek_char((0x563acd73bee0), _1669758)
   Exit: (204) [system] peek_char((0x563acd73bee0), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Fail: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_1674478, v('(', ')', end_of_file), p)
   Fail: (205) [system] arg(_1675410, v('(', ')', end_of_file), p)
^  Fail: (204) [user] is_delimiter(p)
   Call: (204) [system] ')'==p
   Fail: (204) [system] ')'==p
   Call: (204) [system] get_char((0x563acd73bee0), p)
   Exit: (204) [system] get_char((0x563acd73bee0), p)
   Call: (204) [system] p=(\)
   Fail: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1682760)
   Call: (205) [system] peek_char((0x563acd73bee0), _1683694)
   Exit: (205) [system] peek_char((0x563acd73bee0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_1688414, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_1689346, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x563acd73bee0), r)
   Exit: (205) [system] get_char((0x563acd73bee0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1696696)
   Call: (206) [system] peek_char((0x563acd73bee0), _1697630)
   Exit: (206) [system] peek_char((0x563acd73bee0), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Fail: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_1702350, v('(', ')', end_of_file), e)
   Fail: (207) [system] arg(_1703282, v('(', ')', end_of_file), e)
^  Fail: (206) [user] is_delimiter(e)
   Call: (206) [system] ')'==e
   Fail: (206) [system] ')'==e
   Call: (206) [system] get_char((0x563acd73bee0), e)
   Exit: (206) [system] get_char((0x563acd73bee0), e)
   Call: (206) [system] e=(\)
   Fail: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1710632)
   Call: (207) [system] peek_char((0x563acd73bee0), _1711566)
   Exit: (207) [system] peek_char((0x563acd73bee0), m)
^  Call: (207) [user] is_delimiter(m)
   Call: (208) [system] char_type(m, space)
   Fail: (208) [system] char_type(m, space)
   Call: (208) [system] arg(_1716286, v('(', ')', end_of_file), m)
   Fail: (208) [system] arg(_1717218, v('(', ')', end_of_file), m)
^  Fail: (207) [user] is_delimiter(m)
   Call: (207) [system] ')'==m
   Fail: (207) [system] ')'==m
   Call: (207) [system] get_char((0x563acd73bee0), m)
   Exit: (207) [system] get_char((0x563acd73bee0), m)
   Call: (207) [system] m=(\)
   Fail: (207) [system] m=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1724568)
   Call: (208) [system] peek_char((0x563acd73bee0), _1725502)
   Exit: (208) [system] peek_char((0x563acd73bee0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_1730222, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_1731154, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x563acd73bee0), i)
   Exit: (208) [system] get_char((0x563acd73bee0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1738504)
   Call: (209) [system] peek_char((0x563acd73bee0), _1739438)
   Exit: (209) [system] peek_char((0x563acd73bee0), s)
^  Call: (209) [user] is_delimiter(s)
   Call: (210) [system] char_type(s, space)
   Fail: (210) [system] char_type(s, space)
   Call: (210) [system] arg(_1744158, v('(', ')', end_of_file), s)
   Fail: (210) [system] arg(_1745090, v('(', ')', end_of_file), s)
^  Fail: (209) [user] is_delimiter(s)
   Call: (209) [system] ')'==s
   Fail: (209) [system] ')'==s
   Call: (209) [system] get_char((0x563acd73bee0), s)
   Exit: (209) [system] get_char((0x563acd73bee0), s)
   Call: (209) [system] s=(\)
   Fail: (209) [system] s=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1752440)
   Call: (210) [system] peek_char((0x563acd73bee0), _1753374)
   Exit: (210) [system] peek_char((0x563acd73bee0), e)
^  Call: (210) [user] is_delimiter(e)
   Call: (211) [system] char_type(e, space)
   Fail: (211) [system] char_type(e, space)
   Call: (211) [system] arg(_1758094, v('(', ')', end_of_file), e)
   Fail: (211) [system] arg(_1759026, v('(', ')', end_of_file), e)
^  Fail: (210) [user] is_delimiter(e)
   Call: (210) [system] ')'==e
   Fail: (210) [system] ')'==e
   Call: (210) [system] get_char((0x563acd73bee0), e)
   Exit: (210) [system] get_char((0x563acd73bee0), e)
   Call: (210) [system] e=(\)
   Fail: (210) [system] e=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1766376)
   Call: (211) [system] peek_char((0x563acd73bee0), _1767310)
   Exit: (211) [system] peek_char((0x563acd73bee0), '1')
^  Call: (211) [user] is_delimiter('1')
   Call: (212) [system] char_type('1', space)
   Fail: (212) [system] char_type('1', space)
   Call: (212) [system] arg(_1772030, v('(', ')', end_of_file), '1')
   Fail: (212) [system] arg(_1772962, v('(', ')', end_of_file), '1')
^  Fail: (211) [user] is_delimiter('1')
   Call: (211) [system] ')'=='1'
   Fail: (211) [system] ')'=='1'
   Call: (211) [system] get_char((0x563acd73bee0), '1')
   Exit: (211) [system] get_char((0x563acd73bee0), '1')
   Call: (211) [system] '1'=(\)
   Fail: (211) [system] '1'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1780312)
   Call: (212) [system] peek_char((0x563acd73bee0), _1781246)
   Exit: (212) [system] peek_char((0x563acd73bee0), ')')
^  Call: (212) [user] is_delimiter(')')
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] arg(_1785966, v('(', ')', end_of_file), ')')
   Exit: (213) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (212) [user] is_delimiter(')')
   Call: (212) [system] _1780312=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (211) [system] _1766376=['1']
   Exit: (211) [system] ['1']=['1']
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), ['1'])
   Call: (210) [system] _1752440=[e, '1']
   Exit: (210) [system] [e, '1']=[e, '1']
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, '1'])
   Call: (209) [system] _1738504=[s, e, '1']
   Exit: (209) [system] [s, e, '1']=[s, e, '1']
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, e, '1'])
   Call: (208) [system] _1724568=[i, s, e, '1']
   Exit: (208) [system] [i, s, e, '1']=[i, s, e, '1']
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, e, '1'])
   Call: (207) [system] _1710632=[m, i, s, e, '1']
   Exit: (207) [system] [m, i, s, e, '1']=[m, i, s, e, '1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, i, s, e, '1'])
   Call: (206) [system] _1696696=[e, m, i, s, e, '1']
   Exit: (206) [system] [e, m, i, s, e, '1']=[e, m, i, s, e, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, m, i, s, e, '1'])
   Call: (205) [system] _1682760=[r, e, m, i, s, e, '1']
   Exit: (205) [system] [r, e, m, i, s, e, '1']=[r, e, m, i, s, e, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, e, m, i, s, e, '1'])
   Call: (204) [system] _1668824=[p, r, e, m, i, s, e, '1']
   Exit: (204) [system] [p, r, e, m, i, s, e, '1']=[p, r, e, m, i, s, e, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, e, m, i, s, e, '1'])
^  Call: (203) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _1633314)
^  Call: (204) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _1814754)
   Call: (205) [system] atom_chars(_1815686, ['_', p, r, e, m, i, s, e, '1'])
   Exit: (205) [system] atom_chars('_premise1', ['_', p, r, e, m, i, s, e, '1'])
^  Exit: (204) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '1'], _premise1)
   Call: (204) [system] integer(_premise1)
   Fail: (204) [system] integer(_premise1)
   Call: (204) [system] _1633314=_premise1
   Exit: (204) [system] _premise1=_premise1
^  Exit: (203) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '1'], _premise1)
^  Exit: (202) [user] read_symbolic(')', (0x563acd73bee0), $, _premise1)
^  Exit: (201) [user] cont_sexpr(')', (0x563acd73bee0), _premise1)
^  Call: (201) [user] read_list(')', (0x563acd73bee0), _1824978)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1826836)
   Exit: (203) [system] peek_char((0x563acd73bee0), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
   Call: (203) [system] ')'=(/)
   Fail: (203) [system] ')'=(/)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1842846)
   Exit: (202) [system] peek_char((0x563acd73bee0), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x563acd73bee0), _1846636)
   Exit: (202) [system] get_char((0x563acd73bee0), ')')
   Call: (202) [system] _1824978=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x563acd73bee0), [])
   Call: (201) [system] _1596654=[_premise1]
   Exit: (201) [system] [_premise1]=[_premise1]
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), [_premise1])
   Call: (200) [system] _1403662=[_proof1, _premise1]
   Exit: (200) [system] [_proof1, _premise1]=[_proof1, _premise1]
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), [_proof1, _premise1])
   Call: (199) [system] _1299836=[:, _proof1, _premise1]
   Exit: (199) [system] [:, _proof1, _premise1]=[:, _proof1, _premise1]
^  Exit: (198) [user] read_list(')', (0x563acd73bee0), [:, _proof1, _premise1])
^  Exit: (197) [user] cont_sexpr(')', (0x563acd73bee0), [:, _proof1, _premise1])
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _1860518)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1862376)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x563acd73bee0), _1871970)
   Exit: (199) [system] get_char((0x563acd73bee0), ' ')
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1874674)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1891608)
   Exit: (198) [system] peek_char((0x563acd73bee0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x563acd73bee0), _1897178)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1899036)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] get_char((0x563acd73bee0), _1915046)
   Exit: (199) [system] get_char((0x563acd73bee0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x563acd73bee0), $, _1897178)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _1932688)
   Call: (201) [system] peek_char((0x563acd73bee0), _1933622)
   Exit: (201) [system] peek_char((0x563acd73bee0), k)
^  Call: (201) [user] is_delimiter(k)
   Call: (202) [system] char_type(k, space)
   Fail: (202) [system] char_type(k, space)
   Call: (202) [system] arg(_1938342, v('(', ')', end_of_file), k)
   Fail: (202) [system] arg(_1939274, v('(', ')', end_of_file), k)
^  Fail: (201) [user] is_delimiter(k)
   Call: (201) [system] ')'==k
   Fail: (201) [system] ')'==k
   Call: (201) [system] get_char((0x563acd73bee0), k)
   Exit: (201) [system] get_char((0x563acd73bee0), k)
   Call: (201) [system] k=(\)
   Fail: (201) [system] k=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _1946624)
   Call: (202) [system] peek_char((0x563acd73bee0), _1947558)
   Exit: (202) [system] peek_char((0x563acd73bee0), b)
^  Call: (202) [user] is_delimiter(b)
   Call: (203) [system] char_type(b, space)
   Fail: (203) [system] char_type(b, space)
   Call: (203) [system] arg(_1952278, v('(', ')', end_of_file), b)
   Fail: (203) [system] arg(_1953210, v('(', ')', end_of_file), b)
^  Fail: (202) [user] is_delimiter(b)
   Call: (202) [system] ')'==b
   Fail: (202) [system] ')'==b
   Call: (202) [system] get_char((0x563acd73bee0), b)
   Exit: (202) [system] get_char((0x563acd73bee0), b)
   Call: (202) [system] b=(\)
   Fail: (202) [system] b=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1960560)
   Call: (203) [system] peek_char((0x563acd73bee0), _1961494)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _1960560=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (202) [system] _1946624=[b]
   Exit: (202) [system] [b]=[b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
   Call: (201) [system] _1932688=[k, b]
   Exit: (201) [system] [k, b]=[k, b]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [k, b])
^  Call: (200) [user] classify_and_convert_charseq([$, k, b], _1897178)
^  Call: (201) [user] classify_and_convert_charseq_([$, k, b], _1976366)
   Call: (202) [system] atom_chars(_1977298, ['_', k, b])
   Exit: (202) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (201) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (201) [system] integer(_kb)
   Fail: (201) [system] integer(_kb)
   Call: (201) [system] _1897178=_kb
   Exit: (201) [system] _kb=_kb
^  Exit: (200) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (199) [user] read_symbolic(')', (0x563acd73bee0), $, _kb)
^  Exit: (198) [user] cont_sexpr(')', (0x563acd73bee0), _kb)
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _1986590)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1988448)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x563acd73bee0), _1998042)
   Exit: (200) [system] get_char((0x563acd73bee0), ' ')
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _2000746)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _2017680)
   Exit: (199) [system] peek_char((0x563acd73bee0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x563acd73bee0), _2023250)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _2025108)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] get_char((0x563acd73bee0), _2041118)
   Exit: (200) [system] get_char((0x563acd73bee0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x563acd73bee0), $, _2023250)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _2058760)
   Call: (202) [system] peek_char((0x563acd73bee0), _2059694)
   Exit: (202) [system] peek_char((0x563acd73bee0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_2064414, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_2065346, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x563acd73bee0), r)
   Exit: (202) [system] get_char((0x563acd73bee0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _2072696)
   Call: (203) [system] peek_char((0x563acd73bee0), _2073630)
   Exit: (203) [system] peek_char((0x563acd73bee0), b)
^  Call: (203) [user] is_delimiter(b)
   Call: (204) [system] char_type(b, space)
   Fail: (204) [system] char_type(b, space)
   Call: (204) [system] arg(_2078350, v('(', ')', end_of_file), b)
   Fail: (204) [system] arg(_2079282, v('(', ')', end_of_file), b)
^  Fail: (203) [user] is_delimiter(b)
   Call: (203) [system] ')'==b
   Fail: (203) [system] ')'==b
   Call: (203) [system] get_char((0x563acd73bee0), b)
   Exit: (203) [system] get_char((0x563acd73bee0), b)
   Call: (203) [system] b=(\)
   Fail: (203) [system] b=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _2086632)
   Call: (204) [system] peek_char((0x563acd73bee0), _2087566)
   Exit: (204) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _2086632=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (203) [system] _2072696=[b]
   Exit: (203) [system] [b]=[b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
   Call: (202) [system] _3764=[r, b]
   Exit: (202) [system] [r, b]=[r, b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, b])
^  Call: (201) [user] classify_and_convert_charseq([$, r, b], _3760)
^  Call: (202) [user] classify_and_convert_charseq_([$, r, b], _9316)
   Call: (203) [system] atom_chars(_10248, ['_', r, b])
   Exit: (203) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (202) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (202) [system] integer(_rb)
   Fail: (202) [system] integer(_rb)
   Call: (202) [system] _3760=_rb
   Exit: (202) [system] _rb=_rb
^  Exit: (201) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (200) [user] read_symbolic(')', (0x563acd73bee0), $, _rb)
^  Exit: (199) [user] cont_sexpr(')', (0x563acd73bee0), _rb)
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _19540)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _21398)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _30992)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _33696)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _50630)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x563acd73bee0), _56200)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _58058)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] get_char((0x563acd73bee0), _74068)
   Exit: (201) [system] get_char((0x563acd73bee0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x563acd73bee0), $, _56200)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _91710)
   Call: (203) [system] peek_char((0x563acd73bee0), _92644)
   Exit: (203) [system] peek_char((0x563acd73bee0), k)
^  Call: (203) [user] is_delimiter(k)
   Call: (204) [system] char_type(k, space)
   Fail: (204) [system] char_type(k, space)
   Call: (204) [system] arg(_97364, v('(', ')', end_of_file), k)
   Fail: (204) [system] arg(_98296, v('(', ')', end_of_file), k)
^  Fail: (203) [user] is_delimiter(k)
   Call: (203) [system] ')'==k
   Fail: (203) [system] ')'==k
   Call: (203) [system] get_char((0x563acd73bee0), k)
   Exit: (203) [system] get_char((0x563acd73bee0), k)
   Call: (203) [system] k=(\)
   Fail: (203) [system] k=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _105646)
   Call: (204) [system] peek_char((0x563acd73bee0), _106580)
   Exit: (204) [system] peek_char((0x563acd73bee0), ')')
^  Call: (204) [user] is_delimiter(')')
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] arg(_111300, v('(', ')', end_of_file), ')')
   Exit: (205) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (204) [user] is_delimiter(')')
   Call: (204) [system] _105646=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (203) [system] _91710=[k]
   Exit: (203) [system] [k]=[k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
^  Call: (202) [user] classify_and_convert_charseq([$, k], _56200)
^  Call: (203) [user] classify_and_convert_charseq_([$, k], _120530)
   Call: (204) [system] atom_chars(_121462, ['_', k])
   Exit: (204) [system] atom_chars('_k', ['_', k])
^  Exit: (203) [user] classify_and_convert_charseq_([$, k], _k)
   Call: (203) [system] integer(_k)
   Fail: (203) [system] integer(_k)
   Call: (203) [system] _56200=_k
   Exit: (203) [system] _k=_k
^  Exit: (202) [user] classify_and_convert_charseq([$, k], _k)
^  Exit: (201) [user] read_symbolic(')', (0x563acd73bee0), $, _k)
^  Exit: (200) [user] cont_sexpr(')', (0x563acd73bee0), _k)
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _130754)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _132612)
   Exit: (202) [system] peek_char((0x563acd73bee0), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
   Call: (202) [system] ')'=(/)
   Fail: (202) [system] ')'=(/)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _148622)
   Exit: (201) [system] peek_char((0x563acd73bee0), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x563acd73bee0), _152412)
   Exit: (201) [system] get_char((0x563acd73bee0), ')')
   Call: (201) [system] _130754=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), [])
   Call: (200) [system] _19540=[_k]
   Exit: (200) [system] [_k]=[_k]
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), [_k])
   Call: (199) [system] _3756=[_rb, _k]
   Exit: (199) [system] [_rb, _k]=[_rb, _k]
^  Exit: (198) [user] read_list(')', (0x563acd73bee0), [_rb, _k])
   Call: (198) [system] _3746=[_kb, _rb, _k]
   Exit: (198) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (197) [user] read_list(')', (0x563acd73bee0), [_kb, _rb, _k])
   Call: (197) [system] _3714=[[:, _proof1, _premise1], _kb, _rb, _k]
   Exit: (197) [system] [[:, _proof1, _premise1], _kb, _rb, _k]=[[:, _proof1, _premise1], _kb, _rb, _k]
^  Exit: (196) [user] read_list(')', (0x563acd73bee0), [[:, _proof1, _premise1], _kb, _rb, _k])
   Call: (196) [system] _3706=[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]
   Exit: (196) [system] [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]=[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), [synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
^  Exit: (194) [user] cont_sexpr(')', (0x563acd73bee0), [synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _171882)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _173740)
   Exit: (196) [system] peek_char((0x563acd73bee0), ')')
   Call: (196) [system] ')'=(;)
   Fail: (196) [system] ')'=(;)
   Call: (196) [system] ')'=(/)
   Fail: (196) [system] ')'=(/)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Fail: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Fail: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
   Fail: (197) [system] char_type(')', cntrl)
^  Fail: (196) [user] is_like_space(')')
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _189750)
   Exit: (195) [system] peek_char((0x563acd73bee0), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x563acd73bee0), _193540)
   Exit: (195) [system] get_char((0x563acd73bee0), ')')
   Call: (195) [system] _171882=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), [])
   Call: (194) [system] _3702=[[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
   Exit: (194) [system] [[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]=[[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), [[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
   Call: (193) [system] _3668=[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
   Exit: (193) [system] [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]=[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
^  Exit: (191) [user] cont_sexpr(')', (0x563acd73bee0), [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
^  Call: (191) [user] read_list(')', (0x563acd73bee0), _204628)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _206486)
   Exit: (193) [system] peek_char((0x563acd73bee0), '\n')
   Call: (193) [system] '\n'=(;)
   Fail: (193) [system] '\n'=(;)
   Call: (193) [system] '\n'=(/)
   Fail: (193) [system] '\n'=(/)
^  Call: (193) [user] is_like_space('\n')
   Call: (194) [system] char_type('\n', 'white')
   Fail: (194) [system] char_type('\n', 'white')
   Call: (194) [system] char_type('\n', end_of_line)
   Exit: (194) [system] char_type('\n', end_of_line)
^  Exit: (193) [user] is_like_space('\n')
   Call: (193) [system] get_char((0x563acd73bee0), _217936)
   Exit: (193) [system] get_char((0x563acd73bee0), '\n')
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _220640)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x563acd73bee0), _230234)
   Exit: (194) [system] get_char((0x563acd73bee0), ' ')
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _232938)
   Exit: (195) [system] peek_char((0x563acd73bee0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x563acd73bee0), _242532)
   Exit: (195) [system] get_char((0x563acd73bee0), ' ')
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _245236)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x563acd73bee0), _254830)
   Exit: (196) [system] get_char((0x563acd73bee0), ' ')
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _257534)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x563acd73bee0), _267128)
   Exit: (197) [system] get_char((0x563acd73bee0), ' ')
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _269832)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x563acd73bee0), _279426)
   Exit: (198) [system] get_char((0x563acd73bee0), ' ')
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _282130)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x563acd73bee0), _291724)
   Exit: (199) [system] get_char((0x563acd73bee0), ' ')
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _294428)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x563acd73bee0), _304022)
   Exit: (200) [system] get_char((0x563acd73bee0), ' ')
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _306726)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _316320)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _319024)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x563acd73bee0), _328618)
   Exit: (202) [system] get_char((0x563acd73bee0), ' ')
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _331322)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x563acd73bee0), _340916)
   Exit: (203) [system] get_char((0x563acd73bee0), ' ')
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _343620)
   Exit: (204) [system] peek_char((0x563acd73bee0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
   Call: (204) [system] '('=(/)
   Fail: (204) [system] '('=(/)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _369794)
   Exit: (192) [system] peek_char((0x563acd73bee0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x563acd73bee0), _375364)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _377222)
   Exit: (194) [system] peek_char((0x563acd73bee0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] get_char((0x563acd73bee0), _393232)
   Exit: (193) [system] get_char((0x563acd73bee0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _375364)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _398802)
   Exit: (195) [system] peek_char((0x563acd73bee0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _414812)
   Exit: (194) [system] peek_char((0x563acd73bee0), '(')
   Call: (194) [system] '('=')'
   Fail: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
   Fail: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x563acd73bee0), _420382)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _422240)
   Exit: (196) [system] peek_char((0x563acd73bee0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] get_char((0x563acd73bee0), _438250)
   Exit: (195) [system] get_char((0x563acd73bee0), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _420382)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _443820)
   Exit: (197) [system] peek_char((0x563acd73bee0), :)
   Call: (197) [system] (:)=(;)
   Fail: (197) [system] (:)=(;)
   Call: (197) [system] (:)=(/)
   Fail: (197) [system] (:)=(/)
^  Call: (197) [user] is_like_space(:)
   Call: (198) [system] char_type(:, 'white')
   Fail: (198) [system] char_type(:, 'white')
   Call: (198) [system] char_type(:, end_of_line)
   Fail: (198) [system] char_type(:, end_of_line)
   Call: (198) [system] char_type(:, space)
   Fail: (198) [system] char_type(:, space)
   Call: (198) [system] char_type(:, cntrl)
   Fail: (198) [system] char_type(:, cntrl)
^  Fail: (197) [user] is_like_space(:)
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _459830)
   Exit: (196) [system] peek_char((0x563acd73bee0), :)
   Call: (196) [system] (:)=')'
   Fail: (196) [system] (:)=')'
   Call: (196) [system] (:)=end_of_file
   Fail: (196) [system] (:)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x563acd73bee0), _465400)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _467258)
   Exit: (198) [system] peek_char((0x563acd73bee0), :)
   Call: (198) [system] (:)=(;)
   Fail: (198) [system] (:)=(;)
   Call: (198) [system] (:)=(/)
   Fail: (198) [system] (:)=(/)
^  Call: (198) [user] is_like_space(:)
   Call: (199) [system] char_type(:, 'white')
   Fail: (199) [system] char_type(:, 'white')
   Call: (199) [system] char_type(:, end_of_line)
   Fail: (199) [system] char_type(:, end_of_line)
   Call: (199) [system] char_type(:, space)
   Fail: (199) [system] char_type(:, space)
   Call: (199) [system] char_type(:, cntrl)
   Fail: (199) [system] char_type(:, cntrl)
^  Fail: (198) [user] is_like_space(:)
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] get_char((0x563acd73bee0), _483268)
   Exit: (197) [system] get_char((0x563acd73bee0), :)
   Call: (197) [system] (:)='('
   Fail: (197) [system] (:)='('
   Call: (197) [system] (:)='['
   Fail: (197) [system] (:)='['
   Call: (197) [system] (:)='{'
   Fail: (197) [system] (:)='{'
   Call: (197) [system] (:)='"'
   Fail: (197) [system] (:)='"'
   Call: (197) [system] (:)=!
   Fail: (197) [system] (:)=!
   Call: (197) [system] (:)='\''
   Fail: (197) [system] (:)='\''
   Call: (197) [system] (:)='`'
   Fail: (197) [system] (:)='`'
   Call: (197) [system] (:)=end_of_file
   Fail: (197) [system] (:)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x563acd73bee0), :, _465400)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _500910)
   Call: (199) [system] peek_char((0x563acd73bee0), _501844)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (199) [user] is_delimiter(' ')
   Call: (200) [system] char_type(' ', space)
   Exit: (200) [system] char_type(' ', space)
^  Exit: (199) [user] is_delimiter(' ')
   Call: (199) [system] _500910=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (198) [user] classify_and_convert_charseq([:], _465400)
^  Call: (199) [user] classify_and_convert_charseq_([:], _511128)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_512080, _512082), once(user:catch(read_from_chars([:], _511128), _512062, fail)), '$restore_trace'(_512080, _512082))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_512080, _512082))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _512062, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(:)
   Exit: (200) [system] atomic(:)
^  Exit: (199) [user] classify_and_convert_charseq_([:], :)
   Call: (199) [system] integer(:)
   Fail: (199) [system] integer(:)
   Call: (199) [system] _465400=(:)
   Exit: (199) [system] (:)=(:)
^  Exit: (198) [user] classify_and_convert_charseq([:], :)
^  Exit: (197) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (196) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (196) [user] read_list(')', (0x563acd73bee0), _524208)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _526066)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x563acd73bee0), _535660)
   Exit: (198) [system] get_char((0x563acd73bee0), ' ')
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _538364)
   Exit: (199) [system] peek_char((0x563acd73bee0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _555298)
   Exit: (197) [system] peek_char((0x563acd73bee0), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x563acd73bee0), _560868)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _562726)
   Exit: (199) [system] peek_char((0x563acd73bee0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] get_char((0x563acd73bee0), _578736)
   Exit: (198) [system] get_char((0x563acd73bee0), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x563acd73bee0), $, _560868)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _596378)
   Call: (200) [system] peek_char((0x563acd73bee0), _597312)
   Exit: (200) [system] peek_char((0x563acd73bee0), p)
^  Call: (200) [user] is_delimiter(p)
   Call: (201) [system] char_type(p, space)
   Fail: (201) [system] char_type(p, space)
   Call: (201) [system] arg(_602032, v('(', ')', end_of_file), p)
   Fail: (201) [system] arg(_602964, v('(', ')', end_of_file), p)
^  Fail: (200) [user] is_delimiter(p)
   Call: (200) [system] ')'==p
   Fail: (200) [system] ')'==p
   Call: (200) [system] get_char((0x563acd73bee0), p)
   Exit: (200) [system] get_char((0x563acd73bee0), p)
   Call: (200) [system] p=(\)
   Fail: (200) [system] p=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _610314)
   Call: (201) [system] peek_char((0x563acd73bee0), _611248)
   Exit: (201) [system] peek_char((0x563acd73bee0), r)
^  Call: (201) [user] is_delimiter(r)
   Call: (202) [system] char_type(r, space)
   Fail: (202) [system] char_type(r, space)
   Call: (202) [system] arg(_615968, v('(', ')', end_of_file), r)
   Fail: (202) [system] arg(_616900, v('(', ')', end_of_file), r)
^  Fail: (201) [user] is_delimiter(r)
   Call: (201) [system] ')'==r
   Fail: (201) [system] ')'==r
   Call: (201) [system] get_char((0x563acd73bee0), r)
   Exit: (201) [system] get_char((0x563acd73bee0), r)
   Call: (201) [system] r=(\)
   Fail: (201) [system] r=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _624250)
   Call: (202) [system] peek_char((0x563acd73bee0), _625184)
   Exit: (202) [system] peek_char((0x563acd73bee0), o)
^  Call: (202) [user] is_delimiter(o)
   Call: (203) [system] char_type(o, space)
   Fail: (203) [system] char_type(o, space)
   Call: (203) [system] arg(_629904, v('(', ')', end_of_file), o)
   Fail: (203) [system] arg(_630836, v('(', ')', end_of_file), o)
^  Fail: (202) [user] is_delimiter(o)
   Call: (202) [system] ')'==o
   Fail: (202) [system] ')'==o
   Call: (202) [system] get_char((0x563acd73bee0), o)
   Exit: (202) [system] get_char((0x563acd73bee0), o)
   Call: (202) [system] o=(\)
   Fail: (202) [system] o=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _638186)
   Call: (203) [system] peek_char((0x563acd73bee0), _639120)
   Exit: (203) [system] peek_char((0x563acd73bee0), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Fail: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_643840, v('(', ')', end_of_file), o)
   Fail: (204) [system] arg(_644772, v('(', ')', end_of_file), o)
^  Fail: (203) [user] is_delimiter(o)
   Call: (203) [system] ')'==o
   Fail: (203) [system] ')'==o
   Call: (203) [system] get_char((0x563acd73bee0), o)
   Exit: (203) [system] get_char((0x563acd73bee0), o)
   Call: (203) [system] o=(\)
   Fail: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _652122)
   Call: (204) [system] peek_char((0x563acd73bee0), _653056)
   Exit: (204) [system] peek_char((0x563acd73bee0), f)
^  Call: (204) [user] is_delimiter(f)
   Call: (205) [system] char_type(f, space)
   Fail: (205) [system] char_type(f, space)
   Call: (205) [system] arg(_657776, v('(', ')', end_of_file), f)
   Fail: (205) [system] arg(_658708, v('(', ')', end_of_file), f)
^  Fail: (204) [user] is_delimiter(f)
   Call: (204) [system] ')'==f
   Fail: (204) [system] ')'==f
   Call: (204) [system] get_char((0x563acd73bee0), f)
   Exit: (204) [system] get_char((0x563acd73bee0), f)
   Call: (204) [system] f=(\)
   Fail: (204) [system] f=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _666058)
   Call: (205) [system] peek_char((0x563acd73bee0), _666992)
   Exit: (205) [system] peek_char((0x563acd73bee0), '2')
^  Call: (205) [user] is_delimiter('2')
   Call: (206) [system] char_type('2', space)
   Fail: (206) [system] char_type('2', space)
   Call: (206) [system] arg(_671712, v('(', ')', end_of_file), '2')
   Fail: (206) [system] arg(_672644, v('(', ')', end_of_file), '2')
^  Fail: (205) [user] is_delimiter('2')
   Call: (205) [system] ')'=='2'
   Fail: (205) [system] ')'=='2'
   Call: (205) [system] get_char((0x563acd73bee0), '2')
   Exit: (205) [system] get_char((0x563acd73bee0), '2')
   Call: (205) [system] '2'=(\)
   Fail: (205) [system] '2'=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _679994)
   Call: (206) [system] peek_char((0x563acd73bee0), _680928)
   Exit: (206) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _679994=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (205) [system] _666058=['2']
   Exit: (205) [system] ['2']=['2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), ['2'])
   Call: (204) [system] _652122=[f, '2']
   Exit: (204) [system] [f, '2']=[f, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [f, '2'])
   Call: (203) [system] _638186=[o, f, '2']
   Exit: (203) [system] [o, f, '2']=[o, f, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, f, '2'])
   Call: (202) [system] _624250=[o, o, f, '2']
   Exit: (202) [system] [o, o, f, '2']=[o, o, f, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, o, f, '2'])
   Call: (201) [system] _610314=[r, o, o, f, '2']
   Exit: (201) [system] [r, o, o, f, '2']=[r, o, o, f, '2']
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, o, f, '2'])
   Call: (200) [system] _596378=[p, r, o, o, f, '2']
   Exit: (200) [system] [p, r, o, o, f, '2']=[p, r, o, o, f, '2']
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, o, o, f, '2'])
^  Call: (199) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _560868)
^  Call: (200) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _706976)
   Call: (201) [system] atom_chars(_707908, ['_', p, r, o, o, f, '2'])
   Exit: (201) [system] atom_chars('_proof2', ['_', p, r, o, o, f, '2'])
^  Exit: (200) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _proof2)
   Call: (200) [system] integer(_proof2)
   Fail: (200) [system] integer(_proof2)
   Call: (200) [system] _560868=_proof2
   Exit: (200) [system] _proof2=_proof2
^  Exit: (199) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _proof2)
^  Exit: (198) [user] read_symbolic(')', (0x563acd73bee0), $, _proof2)
^  Exit: (197) [user] cont_sexpr(')', (0x563acd73bee0), _proof2)
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _717200)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _719058)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x563acd73bee0), _728652)
   Exit: (199) [system] get_char((0x563acd73bee0), ' ')
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _731356)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _748290)
   Exit: (198) [system] peek_char((0x563acd73bee0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x563acd73bee0), _753860)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _755718)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] get_char((0x563acd73bee0), _771728)
   Exit: (199) [system] get_char((0x563acd73bee0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x563acd73bee0), $, _753860)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _789370)
   Call: (201) [system] peek_char((0x563acd73bee0), _790304)
   Exit: (201) [system] peek_char((0x563acd73bee0), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_795024, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_795956, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x563acd73bee0), p)
   Exit: (201) [system] get_char((0x563acd73bee0), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _803306)
   Call: (202) [system] peek_char((0x563acd73bee0), _804240)
   Exit: (202) [system] peek_char((0x563acd73bee0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_808960, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_809892, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x563acd73bee0), r)
   Exit: (202) [system] get_char((0x563acd73bee0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _817242)
   Call: (203) [system] peek_char((0x563acd73bee0), _818176)
   Exit: (203) [system] peek_char((0x563acd73bee0), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Fail: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_822896, v('(', ')', end_of_file), e)
   Fail: (204) [system] arg(_823828, v('(', ')', end_of_file), e)
^  Fail: (203) [user] is_delimiter(e)
   Call: (203) [system] ')'==e
   Fail: (203) [system] ')'==e
   Call: (203) [system] get_char((0x563acd73bee0), e)
   Exit: (203) [system] get_char((0x563acd73bee0), e)
   Call: (203) [system] e=(\)
   Fail: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _831178)
   Call: (204) [system] peek_char((0x563acd73bee0), _832112)
   Exit: (204) [system] peek_char((0x563acd73bee0), m)
^  Call: (204) [user] is_delimiter(m)
   Call: (205) [system] char_type(m, space)
   Fail: (205) [system] char_type(m, space)
   Call: (205) [system] arg(_836832, v('(', ')', end_of_file), m)
   Fail: (205) [system] arg(_837764, v('(', ')', end_of_file), m)
^  Fail: (204) [user] is_delimiter(m)
   Call: (204) [system] ')'==m
   Fail: (204) [system] ')'==m
   Call: (204) [system] get_char((0x563acd73bee0), m)
   Exit: (204) [system] get_char((0x563acd73bee0), m)
   Call: (204) [system] m=(\)
   Fail: (204) [system] m=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _845114)
   Call: (205) [system] peek_char((0x563acd73bee0), _846048)
   Exit: (205) [system] peek_char((0x563acd73bee0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_850768, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_851700, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x563acd73bee0), i)
   Exit: (205) [system] get_char((0x563acd73bee0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _859050)
   Call: (206) [system] peek_char((0x563acd73bee0), _859984)
   Exit: (206) [system] peek_char((0x563acd73bee0), s)
^  Call: (206) [user] is_delimiter(s)
   Call: (207) [system] char_type(s, space)
   Fail: (207) [system] char_type(s, space)
   Call: (207) [system] arg(_864704, v('(', ')', end_of_file), s)
   Fail: (207) [system] arg(_865636, v('(', ')', end_of_file), s)
^  Fail: (206) [user] is_delimiter(s)
   Call: (206) [system] ')'==s
   Fail: (206) [system] ')'==s
   Call: (206) [system] get_char((0x563acd73bee0), s)
   Exit: (206) [system] get_char((0x563acd73bee0), s)
   Call: (206) [system] s=(\)
   Fail: (206) [system] s=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _872986)
   Call: (207) [system] peek_char((0x563acd73bee0), _873920)
   Exit: (207) [system] peek_char((0x563acd73bee0), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_878640, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_879572, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x563acd73bee0), e)
   Exit: (207) [system] get_char((0x563acd73bee0), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _886922)
   Call: (208) [system] peek_char((0x563acd73bee0), _887856)
   Exit: (208) [system] peek_char((0x563acd73bee0), '2')
^  Call: (208) [user] is_delimiter('2')
   Call: (209) [system] char_type('2', space)
   Fail: (209) [system] char_type('2', space)
   Call: (209) [system] arg(_892576, v('(', ')', end_of_file), '2')
   Fail: (209) [system] arg(_893508, v('(', ')', end_of_file), '2')
^  Fail: (208) [user] is_delimiter('2')
   Call: (208) [system] ')'=='2'
   Fail: (208) [system] ')'=='2'
   Call: (208) [system] get_char((0x563acd73bee0), '2')
   Exit: (208) [system] get_char((0x563acd73bee0), '2')
   Call: (208) [system] '2'=(\)
   Fail: (208) [system] '2'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _900858)
   Call: (209) [system] peek_char((0x563acd73bee0), _901792)
   Exit: (209) [system] peek_char((0x563acd73bee0), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_906512, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _900858=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (208) [system] _886922=['2']
   Exit: (208) [system] ['2']=['2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), ['2'])
   Call: (207) [system] _872986=[e, '2']
   Exit: (207) [system] [e, '2']=[e, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, '2'])
   Call: (206) [system] _859050=[s, e, '2']
   Exit: (206) [system] [s, e, '2']=[s, e, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, e, '2'])
   Call: (205) [system] _845114=[i, s, e, '2']
   Exit: (205) [system] [i, s, e, '2']=[i, s, e, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, e, '2'])
   Call: (204) [system] _831178=[m, i, s, e, '2']
   Exit: (204) [system] [m, i, s, e, '2']=[m, i, s, e, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, i, s, e, '2'])
   Call: (203) [system] _817242=[e, m, i, s, e, '2']
   Exit: (203) [system] [e, m, i, s, e, '2']=[e, m, i, s, e, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, m, i, s, e, '2'])
   Call: (202) [system] _803306=[r, e, m, i, s, e, '2']
   Exit: (202) [system] [r, e, m, i, s, e, '2']=[r, e, m, i, s, e, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, e, m, i, s, e, '2'])
   Call: (201) [system] _789370=[p, r, e, m, i, s, e, '2']
   Exit: (201) [system] [p, r, e, m, i, s, e, '2']=[p, r, e, m, i, s, e, '2']
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, e, m, i, s, e, '2'])
^  Call: (200) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _753860)
^  Call: (201) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _935300)
   Call: (202) [system] atom_chars(_936232, ['_', p, r, e, m, i, s, e, '2'])
   Exit: (202) [system] atom_chars('_premise2', ['_', p, r, e, m, i, s, e, '2'])
^  Exit: (201) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _premise2)
   Call: (201) [system] integer(_premise2)
   Fail: (201) [system] integer(_premise2)
   Call: (201) [system] _753860=_premise2
   Exit: (201) [system] _premise2=_premise2
^  Exit: (200) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _premise2)
^  Exit: (199) [user] read_symbolic(')', (0x563acd73bee0), $, _premise2)
^  Exit: (198) [user] cont_sexpr(')', (0x563acd73bee0), _premise2)
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _945524)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _947382)
   Exit: (200) [system] peek_char((0x563acd73bee0), ')')
   Call: (200) [system] ')'=(;)
   Fail: (200) [system] ')'=(;)
   Call: (200) [system] ')'=(/)
   Fail: (200) [system] ')'=(/)
^  Call: (200) [user] is_like_space(')')
   Call: (201) [system] char_type(')', 'white')
   Fail: (201) [system] char_type(')', 'white')
   Call: (201) [system] char_type(')', end_of_line)
   Fail: (201) [system] char_type(')', end_of_line)
   Call: (201) [system] char_type(')', space)
   Fail: (201) [system] char_type(')', space)
   Call: (201) [system] char_type(')', cntrl)
   Fail: (201) [system] char_type(')', cntrl)
^  Fail: (200) [user] is_like_space(')')
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _963392)
   Exit: (199) [system] peek_char((0x563acd73bee0), ')')
   Call: (199) [system] ')'=')'
   Exit: (199) [system] ')'=')'
   Call: (199) [system] get_char((0x563acd73bee0), _967182)
   Exit: (199) [system] get_char((0x563acd73bee0), ')')
   Call: (199) [system] _945524=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_list(')', (0x563acd73bee0), [])
   Call: (198) [system] _717200=[_premise2]
   Exit: (198) [system] [_premise2]=[_premise2]
^  Exit: (197) [user] read_list(')', (0x563acd73bee0), [_premise2])
   Call: (197) [system] _524208=[_proof2, _premise2]
   Exit: (197) [system] [_proof2, _premise2]=[_proof2, _premise2]
^  Exit: (196) [user] read_list(')', (0x563acd73bee0), [_proof2, _premise2])
   Call: (196) [system] _420382=[:, _proof2, _premise2]
   Exit: (196) [system] [:, _proof2, _premise2]=[:, _proof2, _premise2]
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), [:, _proof2, _premise2])
^  Exit: (194) [user] cont_sexpr(')', (0x563acd73bee0), [:, _proof2, _premise2])
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _981064)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _982922)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x563acd73bee0), _992516)
   Exit: (196) [system] get_char((0x563acd73bee0), ' ')
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _995220)
   Exit: (197) [system] peek_char((0x563acd73bee0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1012154)
   Exit: (195) [system] peek_char((0x563acd73bee0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x563acd73bee0), _1017724)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1019582)
   Exit: (197) [system] peek_char((0x563acd73bee0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] get_char((0x563acd73bee0), _1035592)
   Exit: (196) [system] get_char((0x563acd73bee0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x563acd73bee0), _1017724)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1041162)
   Exit: (198) [system] peek_char((0x563acd73bee0), s)
   Call: (198) [system] s=(;)
   Fail: (198) [system] s=(;)
   Call: (198) [system] s=(/)
   Fail: (198) [system] s=(/)
^  Call: (198) [user] is_like_space(s)
   Call: (199) [system] char_type(s, 'white')
   Fail: (199) [system] char_type(s, 'white')
   Call: (199) [system] char_type(s, end_of_line)
   Fail: (199) [system] char_type(s, end_of_line)
   Call: (199) [system] char_type(s, space)
   Fail: (199) [system] char_type(s, space)
   Call: (199) [system] char_type(s, cntrl)
   Fail: (199) [system] char_type(s, cntrl)
^  Fail: (198) [user] is_like_space(s)
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1057172)
   Exit: (197) [system] peek_char((0x563acd73bee0), s)
   Call: (197) [system] s=')'
   Fail: (197) [system] s=')'
   Call: (197) [system] s=end_of_file
   Fail: (197) [system] s=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x563acd73bee0), _1062742)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1064600)
   Exit: (199) [system] peek_char((0x563acd73bee0), s)
   Call: (199) [system] s=(;)
   Fail: (199) [system] s=(;)
   Call: (199) [system] s=(/)
   Fail: (199) [system] s=(/)
^  Call: (199) [user] is_like_space(s)
   Call: (200) [system] char_type(s, 'white')
   Fail: (200) [system] char_type(s, 'white')
   Call: (200) [system] char_type(s, end_of_line)
   Fail: (200) [system] char_type(s, end_of_line)
   Call: (200) [system] char_type(s, space)
   Fail: (200) [system] char_type(s, space)
   Call: (200) [system] char_type(s, cntrl)
   Fail: (200) [system] char_type(s, cntrl)
^  Fail: (199) [user] is_like_space(s)
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] get_char((0x563acd73bee0), _1080610)
   Exit: (198) [system] get_char((0x563acd73bee0), s)
   Call: (198) [system] s='('
   Fail: (198) [system] s='('
   Call: (198) [system] s='['
   Fail: (198) [system] s='['
   Call: (198) [system] s='{'
   Fail: (198) [system] s='{'
   Call: (198) [system] s='"'
   Fail: (198) [system] s='"'
   Call: (198) [system] s=!
   Fail: (198) [system] s=!
   Call: (198) [system] s='\''
   Fail: (198) [system] s='\''
   Call: (198) [system] s='`'
   Fail: (198) [system] s='`'
   Call: (198) [system] s=end_of_file
   Fail: (198) [system] s=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x563acd73bee0), s, _1062742)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _1098252)
   Call: (200) [system] peek_char((0x563acd73bee0), _1099186)
   Exit: (200) [system] peek_char((0x563acd73bee0), y)
^  Call: (200) [user] is_delimiter(y)
   Call: (201) [system] char_type(y, space)
   Fail: (201) [system] char_type(y, space)
   Call: (201) [system] arg(_1103906, v('(', ')', end_of_file), y)
   Fail: (201) [system] arg(_1104838, v('(', ')', end_of_file), y)
^  Fail: (200) [user] is_delimiter(y)
   Call: (200) [system] ')'==y
   Fail: (200) [system] ')'==y
   Call: (200) [system] get_char((0x563acd73bee0), y)
   Exit: (200) [system] get_char((0x563acd73bee0), y)
   Call: (200) [system] y=(\)
   Fail: (200) [system] y=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _1112188)
   Call: (201) [system] peek_char((0x563acd73bee0), _1113122)
   Exit: (201) [system] peek_char((0x563acd73bee0), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_1117842, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_1118774, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x563acd73bee0), n)
   Exit: (201) [system] get_char((0x563acd73bee0), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _1126124)
   Call: (202) [system] peek_char((0x563acd73bee0), _1127058)
   Exit: (202) [system] peek_char((0x563acd73bee0), t)
^  Call: (202) [user] is_delimiter(t)
   Call: (203) [system] char_type(t, space)
   Fail: (203) [system] char_type(t, space)
   Call: (203) [system] arg(_1131778, v('(', ')', end_of_file), t)
   Fail: (203) [system] arg(_1132710, v('(', ')', end_of_file), t)
^  Fail: (202) [user] is_delimiter(t)
   Call: (202) [system] ')'==t
   Fail: (202) [system] ')'==t
   Call: (202) [system] get_char((0x563acd73bee0), t)
   Exit: (202) [system] get_char((0x563acd73bee0), t)
   Call: (202) [system] t=(\)
   Fail: (202) [system] t=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1140060)
   Call: (203) [system] peek_char((0x563acd73bee0), _1140994)
   Exit: (203) [system] peek_char((0x563acd73bee0), h)
^  Call: (203) [user] is_delimiter(h)
   Call: (204) [system] char_type(h, space)
   Fail: (204) [system] char_type(h, space)
   Call: (204) [system] arg(_1145714, v('(', ')', end_of_file), h)
   Fail: (204) [system] arg(_1146646, v('(', ')', end_of_file), h)
^  Fail: (203) [user] is_delimiter(h)
   Call: (203) [system] ')'==h
   Fail: (203) [system] ')'==h
   Call: (203) [system] get_char((0x563acd73bee0), h)
   Exit: (203) [system] get_char((0x563acd73bee0), h)
   Call: (203) [system] h=(\)
   Fail: (203) [system] h=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1153996)
   Call: (204) [system] peek_char((0x563acd73bee0), _1154930)
   Exit: (204) [system] peek_char((0x563acd73bee0), e)
^  Call: (204) [user] is_delimiter(e)
   Call: (205) [system] char_type(e, space)
   Fail: (205) [system] char_type(e, space)
   Call: (205) [system] arg(_1159650, v('(', ')', end_of_file), e)
   Fail: (205) [system] arg(_1160582, v('(', ')', end_of_file), e)
^  Fail: (204) [user] is_delimiter(e)
   Call: (204) [system] ')'==e
   Fail: (204) [system] ')'==e
   Call: (204) [system] get_char((0x563acd73bee0), e)
   Exit: (204) [system] get_char((0x563acd73bee0), e)
   Call: (204) [system] e=(\)
   Fail: (204) [system] e=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1167932)
   Call: (205) [system] peek_char((0x563acd73bee0), _1168866)
   Exit: (205) [system] peek_char((0x563acd73bee0), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Fail: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_1173586, v('(', ')', end_of_file), s)
   Fail: (206) [system] arg(_1174518, v('(', ')', end_of_file), s)
^  Fail: (205) [user] is_delimiter(s)
   Call: (205) [system] ')'==s
   Fail: (205) [system] ')'==s
   Call: (205) [system] get_char((0x563acd73bee0), s)
   Exit: (205) [system] get_char((0x563acd73bee0), s)
   Call: (205) [system] s=(\)
   Fail: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1181868)
   Call: (206) [system] peek_char((0x563acd73bee0), _1182802)
   Exit: (206) [system] peek_char((0x563acd73bee0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_1187522, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_1188454, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x563acd73bee0), i)
   Exit: (206) [system] get_char((0x563acd73bee0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1195804)
   Call: (207) [system] peek_char((0x563acd73bee0), _1196738)
   Exit: (207) [system] peek_char((0x563acd73bee0), z)
^  Call: (207) [user] is_delimiter(z)
   Call: (208) [system] char_type(z, space)
   Fail: (208) [system] char_type(z, space)
   Call: (208) [system] arg(_1201458, v('(', ')', end_of_file), z)
   Fail: (208) [system] arg(_1202390, v('(', ')', end_of_file), z)
^  Fail: (207) [user] is_delimiter(z)
   Call: (207) [system] ')'==z
   Fail: (207) [system] ')'==z
   Call: (207) [system] get_char((0x563acd73bee0), z)
   Exit: (207) [system] get_char((0x563acd73bee0), z)
   Call: (207) [system] z=(\)
   Fail: (207) [system] z=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1209740)
   Call: (208) [system] peek_char((0x563acd73bee0), _1210674)
   Exit: (208) [system] peek_char((0x563acd73bee0), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Fail: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_1215394, v('(', ')', end_of_file), e)
   Fail: (209) [system] arg(_1216326, v('(', ')', end_of_file), e)
^  Fail: (208) [user] is_delimiter(e)
   Call: (208) [system] ')'==e
   Fail: (208) [system] ')'==e
   Call: (208) [system] get_char((0x563acd73bee0), e)
   Exit: (208) [system] get_char((0x563acd73bee0), e)
   Call: (208) [system] e=(\)
   Fail: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1223676)
   Call: (209) [system] peek_char((0x563acd73bee0), _1224610)
   Exit: (209) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _1223676=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (208) [system] _1209740=[e]
   Exit: (208) [system] [e]=[e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [e])
   Call: (207) [system] _1195804=[z, e]
   Exit: (207) [system] [z, e]=[z, e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [z, e])
   Call: (206) [system] _1181868=[i, z, e]
   Exit: (206) [system] [i, z, e]=[i, z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, z, e])
   Call: (205) [system] _1167932=[s, i, z, e]
   Exit: (205) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, i, z, e])
   Call: (204) [system] _1153996=[e, s, i, z, e]
   Exit: (204) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, s, i, z, e])
   Call: (203) [system] _1140060=[h, e, s, i, z, e]
   Exit: (203) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [h, e, s, i, z, e])
   Call: (202) [system] _1126124=[t, h, e, s, i, z, e]
   Exit: (202) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, h, e, s, i, z, e])
   Call: (201) [system] _1112188=[n, t, h, e, s, i, z, e]
   Exit: (201) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, h, e, s, i, z, e])
   Call: (200) [system] _1098252=[y, n, t, h, e, s, i, z, e]
   Exit: (200) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [y, n, t, h, e, s, i, z, e])
^  Call: (199) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _1062742)
^  Call: (200) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _1259040)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_1259992, _1259994), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _1259040), _1259974, fail)), '$restore_trace'(_1259992, _1259994))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_1259992, _1259994))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _1259974, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(synthesize)
   Exit: (201) [system] atomic(synthesize)
^  Exit: (200) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (200) [system] integer(synthesize)
   Fail: (200) [system] integer(synthesize)
   Call: (200) [system] _1062742=synthesize
   Exit: (200) [system] synthesize=synthesize
^  Exit: (199) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (198) [user] read_symbolic(')', (0x563acd73bee0), s, synthesize)
^  Exit: (197) [user] cont_sexpr(')', (0x563acd73bee0), synthesize)
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _1272120)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1273978)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x563acd73bee0), _1283572)
   Exit: (199) [system] get_char((0x563acd73bee0), ' ')
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1286276)
   Exit: (200) [system] peek_char((0x563acd73bee0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1303210)
   Exit: (198) [system] peek_char((0x563acd73bee0), '(')
   Call: (198) [system] '('=')'
   Fail: (198) [system] '('=')'
   Call: (198) [system] '('=end_of_file
   Fail: (198) [system] '('=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x563acd73bee0), _1308780)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1310638)
   Exit: (200) [system] peek_char((0x563acd73bee0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] get_char((0x563acd73bee0), _1326648)
   Exit: (199) [system] get_char((0x563acd73bee0), '(')
   Call: (199) [system] '('='('
   Exit: (199) [system] '('='('
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _1308780)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1332218)
   Exit: (201) [system] peek_char((0x563acd73bee0), :)
   Call: (201) [system] (:)=(;)
   Fail: (201) [system] (:)=(;)
   Call: (201) [system] (:)=(/)
   Fail: (201) [system] (:)=(/)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Fail: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Fail: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Fail: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
   Fail: (202) [system] char_type(:, cntrl)
^  Fail: (201) [user] is_like_space(:)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1348228)
   Exit: (200) [system] peek_char((0x563acd73bee0), :)
   Call: (200) [system] (:)=')'
   Fail: (200) [system] (:)=')'
   Call: (200) [system] (:)=end_of_file
   Fail: (200) [system] (:)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x563acd73bee0), _1353798)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1355656)
   Exit: (202) [system] peek_char((0x563acd73bee0), :)
   Call: (202) [system] (:)=(;)
   Fail: (202) [system] (:)=(;)
   Call: (202) [system] (:)=(/)
   Fail: (202) [system] (:)=(/)
^  Call: (202) [user] is_like_space(:)
   Call: (203) [system] char_type(:, 'white')
   Fail: (203) [system] char_type(:, 'white')
   Call: (203) [system] char_type(:, end_of_line)
   Fail: (203) [system] char_type(:, end_of_line)
   Call: (203) [system] char_type(:, space)
   Fail: (203) [system] char_type(:, space)
   Call: (203) [system] char_type(:, cntrl)
   Fail: (203) [system] char_type(:, cntrl)
^  Fail: (202) [user] is_like_space(:)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] get_char((0x563acd73bee0), _1371666)
   Exit: (201) [system] get_char((0x563acd73bee0), :)
   Call: (201) [system] (:)='('
   Fail: (201) [system] (:)='('
   Call: (201) [system] (:)='['
   Fail: (201) [system] (:)='['
   Call: (201) [system] (:)='{'
   Fail: (201) [system] (:)='{'
   Call: (201) [system] (:)='"'
   Fail: (201) [system] (:)='"'
   Call: (201) [system] (:)=!
   Fail: (201) [system] (:)=!
   Call: (201) [system] (:)='\''
   Fail: (201) [system] (:)='\''
   Call: (201) [system] (:)='`'
   Fail: (201) [system] (:)='`'
   Call: (201) [system] (:)=end_of_file
   Fail: (201) [system] (:)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x563acd73bee0), :, _1353798)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1389308)
   Call: (203) [system] peek_char((0x563acd73bee0), _1390242)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _1389308=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (202) [user] classify_and_convert_charseq([:], _1353798)
^  Call: (203) [user] classify_and_convert_charseq_([:], _1399526)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_1400478, _1400480), once(user:catch(read_from_chars([:], _1399526), _1400460, fail)), '$restore_trace'(_1400478, _1400480))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_1400478, _1400480))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1400460, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(:)
   Exit: (204) [system] atomic(:)
^  Exit: (203) [user] classify_and_convert_charseq_([:], :)
   Call: (203) [system] integer(:)
   Fail: (203) [system] integer(:)
   Call: (203) [system] _1353798=(:)
   Exit: (203) [system] (:)=(:)
^  Exit: (202) [user] classify_and_convert_charseq([:], :)
^  Exit: (201) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (200) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _1412606)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1414464)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x563acd73bee0), _1424058)
   Exit: (202) [system] get_char((0x563acd73bee0), ' ')
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1426762)
   Exit: (203) [system] peek_char((0x563acd73bee0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1443696)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x563acd73bee0), _1449266)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1451124)
   Exit: (203) [system] peek_char((0x563acd73bee0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] get_char((0x563acd73bee0), _1467134)
   Exit: (202) [system] get_char((0x563acd73bee0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x563acd73bee0), $, _1449266)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1484776)
   Call: (204) [system] peek_char((0x563acd73bee0), _1485710)
   Exit: (204) [system] peek_char((0x563acd73bee0), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Fail: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_1490430, v('(', ')', end_of_file), p)
   Fail: (205) [system] arg(_1491362, v('(', ')', end_of_file), p)
^  Fail: (204) [user] is_delimiter(p)
   Call: (204) [system] ')'==p
   Fail: (204) [system] ')'==p
   Call: (204) [system] get_char((0x563acd73bee0), p)
   Exit: (204) [system] get_char((0x563acd73bee0), p)
   Call: (204) [system] p=(\)
   Fail: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1498712)
   Call: (205) [system] peek_char((0x563acd73bee0), _1499646)
   Exit: (205) [system] peek_char((0x563acd73bee0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_1504366, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_1505298, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x563acd73bee0), r)
   Exit: (205) [system] get_char((0x563acd73bee0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1512648)
   Call: (206) [system] peek_char((0x563acd73bee0), _1513582)
   Exit: (206) [system] peek_char((0x563acd73bee0), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_1518302, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_1519234, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x563acd73bee0), o)
   Exit: (206) [system] get_char((0x563acd73bee0), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1526584)
   Call: (207) [system] peek_char((0x563acd73bee0), _1527518)
   Exit: (207) [system] peek_char((0x563acd73bee0), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_1532238, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_1533170, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x563acd73bee0), o)
   Exit: (207) [system] get_char((0x563acd73bee0), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1540520)
   Call: (208) [system] peek_char((0x563acd73bee0), _1541454)
   Exit: (208) [system] peek_char((0x563acd73bee0), f)
^  Call: (208) [user] is_delimiter(f)
   Call: (209) [system] char_type(f, space)
   Fail: (209) [system] char_type(f, space)
   Call: (209) [system] arg(_1546174, v('(', ')', end_of_file), f)
   Fail: (209) [system] arg(_1547106, v('(', ')', end_of_file), f)
^  Fail: (208) [user] is_delimiter(f)
   Call: (208) [system] ')'==f
   Fail: (208) [system] ')'==f
   Call: (208) [system] get_char((0x563acd73bee0), f)
   Exit: (208) [system] get_char((0x563acd73bee0), f)
   Call: (208) [system] f=(\)
   Fail: (208) [system] f=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1554456)
   Call: (209) [system] peek_char((0x563acd73bee0), _1555390)
   Exit: (209) [system] peek_char((0x563acd73bee0), '2')
^  Call: (209) [user] is_delimiter('2')
   Call: (210) [system] char_type('2', space)
   Fail: (210) [system] char_type('2', space)
   Call: (210) [system] arg(_1560110, v('(', ')', end_of_file), '2')
   Fail: (210) [system] arg(_1561042, v('(', ')', end_of_file), '2')
^  Fail: (209) [user] is_delimiter('2')
   Call: (209) [system] ')'=='2'
   Fail: (209) [system] ')'=='2'
   Call: (209) [system] get_char((0x563acd73bee0), '2')
   Exit: (209) [system] get_char((0x563acd73bee0), '2')
   Call: (209) [system] '2'=(\)
   Fail: (209) [system] '2'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1568392)
   Call: (210) [system] peek_char((0x563acd73bee0), _1569326)
   Exit: (210) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1568392=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (209) [system] _1554456=['2']
   Exit: (209) [system] ['2']=['2']
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), ['2'])
   Call: (208) [system] _1540520=[f, '2']
   Exit: (208) [system] [f, '2']=[f, '2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [f, '2'])
   Call: (207) [system] _1526584=[o, f, '2']
   Exit: (207) [system] [o, f, '2']=[o, f, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, f, '2'])
   Call: (206) [system] _1512648=[o, o, f, '2']
   Exit: (206) [system] [o, o, f, '2']=[o, o, f, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, o, f, '2'])
   Call: (205) [system] _1498712=[r, o, o, f, '2']
   Exit: (205) [system] [r, o, o, f, '2']=[r, o, o, f, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, o, f, '2'])
   Call: (204) [system] _1484776=[p, r, o, o, f, '2']
   Exit: (204) [system] [p, r, o, o, f, '2']=[p, r, o, o, f, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, o, o, f, '2'])
^  Call: (203) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _1449266)
^  Call: (204) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _1595374)
   Call: (205) [system] atom_chars(_1596306, ['_', p, r, o, o, f, '2'])
   Exit: (205) [system] atom_chars('_proof2', ['_', p, r, o, o, f, '2'])
^  Exit: (204) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '2'], _proof2)
   Call: (204) [system] integer(_proof2)
   Fail: (204) [system] integer(_proof2)
   Call: (204) [system] _1449266=_proof2
   Exit: (204) [system] _proof2=_proof2
^  Exit: (203) [user] classify_and_convert_charseq([$, p, r, o, o, f, '2'], _proof2)
^  Exit: (202) [user] read_symbolic(')', (0x563acd73bee0), $, _proof2)
^  Exit: (201) [user] cont_sexpr(')', (0x563acd73bee0), _proof2)
^  Call: (201) [user] read_list(')', (0x563acd73bee0), _1605598)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1607456)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x563acd73bee0), _1617050)
   Exit: (203) [system] get_char((0x563acd73bee0), ' ')
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1619754)
   Exit: (204) [system] peek_char((0x563acd73bee0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1636688)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=')'
   Fail: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x563acd73bee0), _1642258)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1644116)
   Exit: (204) [system] peek_char((0x563acd73bee0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] get_char((0x563acd73bee0), _1660126)
   Exit: (203) [system] get_char((0x563acd73bee0), $)
   Call: (203) [system] ($)='('
   Fail: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Fail: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Fail: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Fail: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Fail: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Fail: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Fail: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x563acd73bee0), $, _1642258)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1677768)
   Call: (205) [system] peek_char((0x563acd73bee0), _1678702)
   Exit: (205) [system] peek_char((0x563acd73bee0), p)
^  Call: (205) [user] is_delimiter(p)
   Call: (206) [system] char_type(p, space)
   Fail: (206) [system] char_type(p, space)
   Call: (206) [system] arg(_1683422, v('(', ')', end_of_file), p)
   Fail: (206) [system] arg(_1684354, v('(', ')', end_of_file), p)
^  Fail: (205) [user] is_delimiter(p)
   Call: (205) [system] ')'==p
   Fail: (205) [system] ')'==p
   Call: (205) [system] get_char((0x563acd73bee0), p)
   Exit: (205) [system] get_char((0x563acd73bee0), p)
   Call: (205) [system] p=(\)
   Fail: (205) [system] p=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1691704)
   Call: (206) [system] peek_char((0x563acd73bee0), _1692638)
   Exit: (206) [system] peek_char((0x563acd73bee0), r)
^  Call: (206) [user] is_delimiter(r)
   Call: (207) [system] char_type(r, space)
   Fail: (207) [system] char_type(r, space)
   Call: (207) [system] arg(_1697358, v('(', ')', end_of_file), r)
   Fail: (207) [system] arg(_1698290, v('(', ')', end_of_file), r)
^  Fail: (206) [user] is_delimiter(r)
   Call: (206) [system] ')'==r
   Fail: (206) [system] ')'==r
   Call: (206) [system] get_char((0x563acd73bee0), r)
   Exit: (206) [system] get_char((0x563acd73bee0), r)
   Call: (206) [system] r=(\)
   Fail: (206) [system] r=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1705640)
   Call: (207) [system] peek_char((0x563acd73bee0), _1706574)
   Exit: (207) [system] peek_char((0x563acd73bee0), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_1711294, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_1712226, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x563acd73bee0), e)
   Exit: (207) [system] get_char((0x563acd73bee0), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1719576)
   Call: (208) [system] peek_char((0x563acd73bee0), _1720510)
   Exit: (208) [system] peek_char((0x563acd73bee0), m)
^  Call: (208) [user] is_delimiter(m)
   Call: (209) [system] char_type(m, space)
   Fail: (209) [system] char_type(m, space)
   Call: (209) [system] arg(_1725230, v('(', ')', end_of_file), m)
   Fail: (209) [system] arg(_1726162, v('(', ')', end_of_file), m)
^  Fail: (208) [user] is_delimiter(m)
   Call: (208) [system] ')'==m
   Fail: (208) [system] ')'==m
   Call: (208) [system] get_char((0x563acd73bee0), m)
   Exit: (208) [system] get_char((0x563acd73bee0), m)
   Call: (208) [system] m=(\)
   Fail: (208) [system] m=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1733512)
   Call: (209) [system] peek_char((0x563acd73bee0), _1734446)
   Exit: (209) [system] peek_char((0x563acd73bee0), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_1739166, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_1740098, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x563acd73bee0), i)
   Exit: (209) [system] get_char((0x563acd73bee0), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1747448)
   Call: (210) [system] peek_char((0x563acd73bee0), _1748382)
   Exit: (210) [system] peek_char((0x563acd73bee0), s)
^  Call: (210) [user] is_delimiter(s)
   Call: (211) [system] char_type(s, space)
   Fail: (211) [system] char_type(s, space)
   Call: (211) [system] arg(_1753102, v('(', ')', end_of_file), s)
   Fail: (211) [system] arg(_1754034, v('(', ')', end_of_file), s)
^  Fail: (210) [user] is_delimiter(s)
   Call: (210) [system] ')'==s
   Fail: (210) [system] ')'==s
   Call: (210) [system] get_char((0x563acd73bee0), s)
   Exit: (210) [system] get_char((0x563acd73bee0), s)
   Call: (210) [system] s=(\)
   Fail: (210) [system] s=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1761384)
   Call: (211) [system] peek_char((0x563acd73bee0), _1762318)
   Exit: (211) [system] peek_char((0x563acd73bee0), e)
^  Call: (211) [user] is_delimiter(e)
   Call: (212) [system] char_type(e, space)
   Fail: (212) [system] char_type(e, space)
   Call: (212) [system] arg(_1767038, v('(', ')', end_of_file), e)
   Fail: (212) [system] arg(_1767970, v('(', ')', end_of_file), e)
^  Fail: (211) [user] is_delimiter(e)
   Call: (211) [system] ')'==e
   Fail: (211) [system] ')'==e
   Call: (211) [system] get_char((0x563acd73bee0), e)
   Exit: (211) [system] get_char((0x563acd73bee0), e)
   Call: (211) [system] e=(\)
   Fail: (211) [system] e=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1775320)
   Call: (212) [system] peek_char((0x563acd73bee0), _1776254)
   Exit: (212) [system] peek_char((0x563acd73bee0), '2')
^  Call: (212) [user] is_delimiter('2')
   Call: (213) [system] char_type('2', space)
   Fail: (213) [system] char_type('2', space)
   Call: (213) [system] arg(_1780974, v('(', ')', end_of_file), '2')
   Fail: (213) [system] arg(_1781906, v('(', ')', end_of_file), '2')
^  Fail: (212) [user] is_delimiter('2')
   Call: (212) [system] ')'=='2'
   Fail: (212) [system] ')'=='2'
   Call: (212) [system] get_char((0x563acd73bee0), '2')
   Exit: (212) [system] get_char((0x563acd73bee0), '2')
   Call: (212) [system] '2'=(\)
   Fail: (212) [system] '2'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _1789256)
   Call: (213) [system] peek_char((0x563acd73bee0), _1790190)
   Exit: (213) [system] peek_char((0x563acd73bee0), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_1794910, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _1789256=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (212) [system] _1775320=['2']
   Exit: (212) [system] ['2']=['2']
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), ['2'])
   Call: (211) [system] _1761384=[e, '2']
   Exit: (211) [system] [e, '2']=[e, '2']
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, '2'])
   Call: (210) [system] _1747448=[s, e, '2']
   Exit: (210) [system] [s, e, '2']=[s, e, '2']
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, e, '2'])
   Call: (209) [system] _1733512=[i, s, e, '2']
   Exit: (209) [system] [i, s, e, '2']=[i, s, e, '2']
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, e, '2'])
   Call: (208) [system] _1719576=[m, i, s, e, '2']
   Exit: (208) [system] [m, i, s, e, '2']=[m, i, s, e, '2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, i, s, e, '2'])
   Call: (207) [system] _1705640=[e, m, i, s, e, '2']
   Exit: (207) [system] [e, m, i, s, e, '2']=[e, m, i, s, e, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, m, i, s, e, '2'])
   Call: (206) [system] _1691704=[r, e, m, i, s, e, '2']
   Exit: (206) [system] [r, e, m, i, s, e, '2']=[r, e, m, i, s, e, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, e, m, i, s, e, '2'])
   Call: (205) [system] _1677768=[p, r, e, m, i, s, e, '2']
   Exit: (205) [system] [p, r, e, m, i, s, e, '2']=[p, r, e, m, i, s, e, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, e, m, i, s, e, '2'])
^  Call: (204) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _1642258)
^  Call: (205) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _1823698)
   Call: (206) [system] atom_chars(_1824630, ['_', p, r, e, m, i, s, e, '2'])
   Exit: (206) [system] atom_chars('_premise2', ['_', p, r, e, m, i, s, e, '2'])
^  Exit: (205) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '2'], _premise2)
   Call: (205) [system] integer(_premise2)
   Fail: (205) [system] integer(_premise2)
   Call: (205) [system] _1642258=_premise2
   Exit: (205) [system] _premise2=_premise2
^  Exit: (204) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '2'], _premise2)
^  Exit: (203) [user] read_symbolic(')', (0x563acd73bee0), $, _premise2)
^  Exit: (202) [user] cont_sexpr(')', (0x563acd73bee0), _premise2)
^  Call: (202) [user] read_list(')', (0x563acd73bee0), _1833922)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1835780)
   Exit: (204) [system] peek_char((0x563acd73bee0), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
   Call: (204) [system] ')'=(/)
   Fail: (204) [system] ')'=(/)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1851790)
   Exit: (203) [system] peek_char((0x563acd73bee0), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x563acd73bee0), _1855580)
   Exit: (203) [system] get_char((0x563acd73bee0), ')')
   Call: (203) [system] _1833922=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x563acd73bee0), [])
   Call: (202) [system] _1605598=[_premise2]
   Exit: (202) [system] [_premise2]=[_premise2]
^  Exit: (201) [user] read_list(')', (0x563acd73bee0), [_premise2])
   Call: (201) [system] _1412606=[_proof2, _premise2]
   Exit: (201) [system] [_proof2, _premise2]=[_proof2, _premise2]
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), [_proof2, _premise2])
   Call: (200) [system] _1308780=[:, _proof2, _premise2]
   Exit: (200) [system] [:, _proof2, _premise2]=[:, _proof2, _premise2]
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), [:, _proof2, _premise2])
^  Exit: (198) [user] cont_sexpr(')', (0x563acd73bee0), [:, _proof2, _premise2])
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _1869462)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1871320)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x563acd73bee0), _1880914)
   Exit: (200) [system] get_char((0x563acd73bee0), ' ')
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1883618)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1900552)
   Exit: (199) [system] peek_char((0x563acd73bee0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x563acd73bee0), _1906122)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1907980)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] get_char((0x563acd73bee0), _1923990)
   Exit: (200) [system] get_char((0x563acd73bee0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x563acd73bee0), $, _1906122)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _1941632)
   Call: (202) [system] peek_char((0x563acd73bee0), _1942566)
   Exit: (202) [system] peek_char((0x563acd73bee0), k)
^  Call: (202) [user] is_delimiter(k)
   Call: (203) [system] char_type(k, space)
   Fail: (203) [system] char_type(k, space)
   Call: (203) [system] arg(_1947286, v('(', ')', end_of_file), k)
   Fail: (203) [system] arg(_1948218, v('(', ')', end_of_file), k)
^  Fail: (202) [user] is_delimiter(k)
   Call: (202) [system] ')'==k
   Fail: (202) [system] ')'==k
   Call: (202) [system] get_char((0x563acd73bee0), k)
   Exit: (202) [system] get_char((0x563acd73bee0), k)
   Call: (202) [system] k=(\)
   Fail: (202) [system] k=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1955568)
   Call: (203) [system] peek_char((0x563acd73bee0), _1956502)
   Exit: (203) [system] peek_char((0x563acd73bee0), b)
^  Call: (203) [user] is_delimiter(b)
   Call: (204) [system] char_type(b, space)
   Fail: (204) [system] char_type(b, space)
   Call: (204) [system] arg(_1961222, v('(', ')', end_of_file), b)
   Fail: (204) [system] arg(_1962154, v('(', ')', end_of_file), b)
^  Fail: (203) [user] is_delimiter(b)
   Call: (203) [system] ')'==b
   Fail: (203) [system] ')'==b
   Call: (203) [system] get_char((0x563acd73bee0), b)
   Exit: (203) [system] get_char((0x563acd73bee0), b)
   Call: (203) [system] b=(\)
   Fail: (203) [system] b=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1969504)
   Call: (204) [system] peek_char((0x563acd73bee0), _1970438)
   Exit: (204) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _1969504=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (203) [system] _1955568=[b]
   Exit: (203) [system] [b]=[b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
   Call: (202) [system] _1941632=[k, b]
   Exit: (202) [system] [k, b]=[k, b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [k, b])
^  Call: (201) [user] classify_and_convert_charseq([$, k, b], _1906122)
^  Call: (202) [user] classify_and_convert_charseq_([$, k, b], _1985310)
   Call: (203) [system] atom_chars(_1986242, ['_', k, b])
   Exit: (203) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (202) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (202) [system] integer(_kb)
   Fail: (202) [system] integer(_kb)
   Call: (202) [system] _1906122=_kb
   Exit: (202) [system] _kb=_kb
^  Exit: (201) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (200) [user] read_symbolic(')', (0x563acd73bee0), $, _kb)
^  Exit: (199) [user] cont_sexpr(')', (0x563acd73bee0), _kb)
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _1995534)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1997392)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _2006986)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _2009690)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _2026624)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x563acd73bee0), _2032194)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _2034052)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] get_char((0x563acd73bee0), _2050062)
   Exit: (201) [system] get_char((0x563acd73bee0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x563acd73bee0), $, _2032194)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _2067704)
   Call: (203) [system] peek_char((0x563acd73bee0), _2068638)
   Exit: (203) [system] peek_char((0x563acd73bee0), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_2073358, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_2074290, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x563acd73bee0), r)
   Exit: (203) [system] get_char((0x563acd73bee0), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _2081640)
   Call: (204) [system] peek_char((0x563acd73bee0), _2082574)
   Exit: (204) [system] peek_char((0x563acd73bee0), b)
^  Call: (204) [user] is_delimiter(b)
   Call: (205) [system] char_type(b, space)
   Fail: (205) [system] char_type(b, space)
   Call: (205) [system] arg(_2087294, v('(', ')', end_of_file), b)
   Fail: (205) [system] arg(_2088226, v('(', ')', end_of_file), b)
^  Fail: (204) [user] is_delimiter(b)
   Call: (204) [system] ')'==b
   Fail: (204) [system] ')'==b
   Call: (204) [system] get_char((0x563acd73bee0), b)
   Exit: (204) [system] get_char((0x563acd73bee0), b)
   Call: (204) [system] b=(\)
   Fail: (204) [system] b=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _2095576)
   Call: (205) [system] peek_char((0x563acd73bee0), _3888)
   Exit: (205) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _3884=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (204) [system] _3880=[b]
   Exit: (204) [system] [b]=[b]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
   Call: (203) [system] _3876=[r, b]
   Exit: (203) [system] [r, b]=[r, b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, b])
^  Call: (202) [user] classify_and_convert_charseq([$, r, b], _3872)
^  Call: (203) [user] classify_and_convert_charseq_([$, r, b], _18476)
   Call: (204) [system] atom_chars(_19408, ['_', r, b])
   Exit: (204) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (203) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (203) [system] integer(_rb)
   Fail: (203) [system] integer(_rb)
   Call: (203) [system] _3872=_rb
   Exit: (203) [system] _rb=_rb
^  Exit: (202) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (201) [user] read_symbolic(')', (0x563acd73bee0), $, _rb)
^  Exit: (200) [user] cont_sexpr(')', (0x563acd73bee0), _rb)
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _28700)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _30558)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x563acd73bee0), _40152)
   Exit: (202) [system] get_char((0x563acd73bee0), ' ')
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _42856)
   Exit: (203) [system] peek_char((0x563acd73bee0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _59790)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x563acd73bee0), _65360)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _67218)
   Exit: (203) [system] peek_char((0x563acd73bee0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] get_char((0x563acd73bee0), _83228)
   Exit: (202) [system] get_char((0x563acd73bee0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x563acd73bee0), $, _65360)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _100870)
   Call: (204) [system] peek_char((0x563acd73bee0), _101804)
   Exit: (204) [system] peek_char((0x563acd73bee0), k)
^  Call: (204) [user] is_delimiter(k)
   Call: (205) [system] char_type(k, space)
   Fail: (205) [system] char_type(k, space)
   Call: (205) [system] arg(_106524, v('(', ')', end_of_file), k)
   Fail: (205) [system] arg(_107456, v('(', ')', end_of_file), k)
^  Fail: (204) [user] is_delimiter(k)
   Call: (204) [system] ')'==k
   Fail: (204) [system] ')'==k
   Call: (204) [system] get_char((0x563acd73bee0), k)
   Exit: (204) [system] get_char((0x563acd73bee0), k)
   Call: (204) [system] k=(\)
   Fail: (204) [system] k=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _114806)
   Call: (205) [system] peek_char((0x563acd73bee0), _115740)
   Exit: (205) [system] peek_char((0x563acd73bee0), ')')
^  Call: (205) [user] is_delimiter(')')
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] arg(_120460, v('(', ')', end_of_file), ')')
   Exit: (206) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (205) [user] is_delimiter(')')
   Call: (205) [system] _114806=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (204) [system] _100870=[k]
   Exit: (204) [system] [k]=[k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
^  Call: (203) [user] classify_and_convert_charseq([$, k], _65360)
^  Call: (204) [user] classify_and_convert_charseq_([$, k], _129690)
   Call: (205) [system] atom_chars(_130622, ['_', k])
   Exit: (205) [system] atom_chars('_k', ['_', k])
^  Exit: (204) [user] classify_and_convert_charseq_([$, k], _k)
   Call: (204) [system] integer(_k)
   Fail: (204) [system] integer(_k)
   Call: (204) [system] _65360=_k
   Exit: (204) [system] _k=_k
^  Exit: (203) [user] classify_and_convert_charseq([$, k], _k)
^  Exit: (202) [user] read_symbolic(')', (0x563acd73bee0), $, _k)
^  Exit: (201) [user] cont_sexpr(')', (0x563acd73bee0), _k)
^  Call: (201) [user] read_list(')', (0x563acd73bee0), _139914)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _141772)
   Exit: (203) [system] peek_char((0x563acd73bee0), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
   Call: (203) [system] ')'=(/)
   Fail: (203) [system] ')'=(/)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _157782)
   Exit: (202) [system] peek_char((0x563acd73bee0), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x563acd73bee0), _161572)
   Exit: (202) [system] get_char((0x563acd73bee0), ')')
   Call: (202) [system] _139914=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x563acd73bee0), [])
   Call: (201) [system] _28700=[_k]
   Exit: (201) [system] [_k]=[_k]
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), [_k])
   Call: (200) [system] _3868=[_rb, _k]
   Exit: (200) [system] [_rb, _k]=[_rb, _k]
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), [_rb, _k])
   Call: (199) [system] _3858=[_kb, _rb, _k]
   Exit: (199) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (198) [user] read_list(')', (0x563acd73bee0), [_kb, _rb, _k])
   Call: (198) [system] _3826=[[:, _proof2, _premise2], _kb, _rb, _k]
   Exit: (198) [system] [[:, _proof2, _premise2], _kb, _rb, _k]=[[:, _proof2, _premise2], _kb, _rb, _k]
^  Exit: (197) [user] read_list(')', (0x563acd73bee0), [[:, _proof2, _premise2], _kb, _rb, _k])
   Call: (197) [system] _3818=[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]
   Exit: (197) [system] [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]=[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]
^  Exit: (196) [user] read_list(')', (0x563acd73bee0), [synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
^  Exit: (195) [user] cont_sexpr(')', (0x563acd73bee0), [synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _181042)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _182900)
   Exit: (197) [system] peek_char((0x563acd73bee0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _198910)
   Exit: (196) [system] peek_char((0x563acd73bee0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x563acd73bee0), _202700)
   Exit: (196) [system] get_char((0x563acd73bee0), ')')
   Call: (196) [system] _181042=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), [])
   Call: (195) [system] _3814=[[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
   Exit: (195) [system] [[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]=[[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), [[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
   Call: (194) [system] _3780=[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
   Exit: (194) [system] [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]=[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
^  Exit: (192) [user] cont_sexpr(')', (0x563acd73bee0), [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _213788)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _215646)
   Exit: (194) [system] peek_char((0x563acd73bee0), '\n')
   Call: (194) [system] '\n'=(;)
   Fail: (194) [system] '\n'=(;)
   Call: (194) [system] '\n'=(/)
   Fail: (194) [system] '\n'=(/)
^  Call: (194) [user] is_like_space('\n')
   Call: (195) [system] char_type('\n', 'white')
   Fail: (195) [system] char_type('\n', 'white')
   Call: (195) [system] char_type('\n', end_of_line)
   Exit: (195) [system] char_type('\n', end_of_line)
^  Exit: (194) [user] is_like_space('\n')
   Call: (194) [system] get_char((0x563acd73bee0), _227096)
   Exit: (194) [system] get_char((0x563acd73bee0), '\n')
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _229800)
   Exit: (195) [system] peek_char((0x563acd73bee0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x563acd73bee0), _239394)
   Exit: (195) [system] get_char((0x563acd73bee0), ' ')
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _242098)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x563acd73bee0), _251692)
   Exit: (196) [system] get_char((0x563acd73bee0), ' ')
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _254396)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x563acd73bee0), _263990)
   Exit: (197) [system] get_char((0x563acd73bee0), ' ')
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _266694)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x563acd73bee0), _276288)
   Exit: (198) [system] get_char((0x563acd73bee0), ' ')
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _278992)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x563acd73bee0), _288586)
   Exit: (199) [system] get_char((0x563acd73bee0), ' ')
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _291290)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x563acd73bee0), _300884)
   Exit: (200) [system] get_char((0x563acd73bee0), ' ')
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _303588)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _313182)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _315886)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x563acd73bee0), _325480)
   Exit: (202) [system] get_char((0x563acd73bee0), ' ')
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _328184)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x563acd73bee0), _337778)
   Exit: (203) [system] get_char((0x563acd73bee0), ' ')
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _340482)
   Exit: (204) [system] peek_char((0x563acd73bee0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x563acd73bee0), _350076)
   Exit: (204) [system] get_char((0x563acd73bee0), ' ')
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _352780)
   Exit: (205) [system] peek_char((0x563acd73bee0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _378954)
   Exit: (193) [system] peek_char((0x563acd73bee0), '(')
   Call: (193) [system] '('=')'
   Fail: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
   Fail: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x563acd73bee0), _384524)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _386382)
   Exit: (195) [system] peek_char((0x563acd73bee0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] get_char((0x563acd73bee0), _402392)
   Exit: (194) [system] get_char((0x563acd73bee0), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _384524)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _407962)
   Exit: (196) [system] peek_char((0x563acd73bee0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _423972)
   Exit: (195) [system] peek_char((0x563acd73bee0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x563acd73bee0), _429542)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _431400)
   Exit: (197) [system] peek_char((0x563acd73bee0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] get_char((0x563acd73bee0), _447410)
   Exit: (196) [system] get_char((0x563acd73bee0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x563acd73bee0), _429542)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _452980)
   Exit: (198) [system] peek_char((0x563acd73bee0), :)
   Call: (198) [system] (:)=(;)
   Fail: (198) [system] (:)=(;)
   Call: (198) [system] (:)=(/)
   Fail: (198) [system] (:)=(/)
^  Call: (198) [user] is_like_space(:)
   Call: (199) [system] char_type(:, 'white')
   Fail: (199) [system] char_type(:, 'white')
   Call: (199) [system] char_type(:, end_of_line)
   Fail: (199) [system] char_type(:, end_of_line)
   Call: (199) [system] char_type(:, space)
   Fail: (199) [system] char_type(:, space)
   Call: (199) [system] char_type(:, cntrl)
   Fail: (199) [system] char_type(:, cntrl)
^  Fail: (198) [user] is_like_space(:)
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _468990)
   Exit: (197) [system] peek_char((0x563acd73bee0), :)
   Call: (197) [system] (:)=')'
   Fail: (197) [system] (:)=')'
   Call: (197) [system] (:)=end_of_file
   Fail: (197) [system] (:)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x563acd73bee0), _474560)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _476418)
   Exit: (199) [system] peek_char((0x563acd73bee0), :)
   Call: (199) [system] (:)=(;)
   Fail: (199) [system] (:)=(;)
   Call: (199) [system] (:)=(/)
   Fail: (199) [system] (:)=(/)
^  Call: (199) [user] is_like_space(:)
   Call: (200) [system] char_type(:, 'white')
   Fail: (200) [system] char_type(:, 'white')
   Call: (200) [system] char_type(:, end_of_line)
   Fail: (200) [system] char_type(:, end_of_line)
   Call: (200) [system] char_type(:, space)
   Fail: (200) [system] char_type(:, space)
   Call: (200) [system] char_type(:, cntrl)
   Fail: (200) [system] char_type(:, cntrl)
^  Fail: (199) [user] is_like_space(:)
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] get_char((0x563acd73bee0), _492428)
   Exit: (198) [system] get_char((0x563acd73bee0), :)
   Call: (198) [system] (:)='('
   Fail: (198) [system] (:)='('
   Call: (198) [system] (:)='['
   Fail: (198) [system] (:)='['
   Call: (198) [system] (:)='{'
   Fail: (198) [system] (:)='{'
   Call: (198) [system] (:)='"'
   Fail: (198) [system] (:)='"'
   Call: (198) [system] (:)=!
   Fail: (198) [system] (:)=!
   Call: (198) [system] (:)='\''
   Fail: (198) [system] (:)='\''
   Call: (198) [system] (:)='`'
   Fail: (198) [system] (:)='`'
   Call: (198) [system] (:)=end_of_file
   Fail: (198) [system] (:)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x563acd73bee0), :, _474560)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _510070)
   Call: (200) [system] peek_char((0x563acd73bee0), _511004)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _510070=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (199) [user] classify_and_convert_charseq([:], _474560)
^  Call: (200) [user] classify_and_convert_charseq_([:], _520288)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_521240, _521242), once(user:catch(read_from_chars([:], _520288), _521222, fail)), '$restore_trace'(_521240, _521242))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_521240, _521242))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _521222, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(:)
   Exit: (201) [system] atomic(:)
^  Exit: (200) [user] classify_and_convert_charseq_([:], :)
   Call: (200) [system] integer(:)
   Fail: (200) [system] integer(:)
   Call: (200) [system] _474560=(:)
   Exit: (200) [system] (:)=(:)
^  Exit: (199) [user] classify_and_convert_charseq([:], :)
^  Exit: (198) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (197) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _533368)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _535226)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x563acd73bee0), _544820)
   Exit: (199) [system] get_char((0x563acd73bee0), ' ')
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _547524)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _564458)
   Exit: (198) [system] peek_char((0x563acd73bee0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x563acd73bee0), _570028)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _571886)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
   Call: (200) [system] ($)=(/)
   Fail: (200) [system] ($)=(/)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] get_char((0x563acd73bee0), _587896)
   Exit: (199) [system] get_char((0x563acd73bee0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x563acd73bee0), $, _570028)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _605538)
   Call: (201) [system] peek_char((0x563acd73bee0), _606472)
   Exit: (201) [system] peek_char((0x563acd73bee0), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_611192, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_612124, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x563acd73bee0), p)
   Exit: (201) [system] get_char((0x563acd73bee0), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _619474)
   Call: (202) [system] peek_char((0x563acd73bee0), _620408)
   Exit: (202) [system] peek_char((0x563acd73bee0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_625128, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_626060, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x563acd73bee0), r)
   Exit: (202) [system] get_char((0x563acd73bee0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _633410)
   Call: (203) [system] peek_char((0x563acd73bee0), _634344)
   Exit: (203) [system] peek_char((0x563acd73bee0), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Fail: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_639064, v('(', ')', end_of_file), o)
   Fail: (204) [system] arg(_639996, v('(', ')', end_of_file), o)
^  Fail: (203) [user] is_delimiter(o)
   Call: (203) [system] ')'==o
   Fail: (203) [system] ')'==o
   Call: (203) [system] get_char((0x563acd73bee0), o)
   Exit: (203) [system] get_char((0x563acd73bee0), o)
   Call: (203) [system] o=(\)
   Fail: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _647346)
   Call: (204) [system] peek_char((0x563acd73bee0), _648280)
   Exit: (204) [system] peek_char((0x563acd73bee0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_653000, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_653932, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x563acd73bee0), o)
   Exit: (204) [system] get_char((0x563acd73bee0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _661282)
   Call: (205) [system] peek_char((0x563acd73bee0), _662216)
   Exit: (205) [system] peek_char((0x563acd73bee0), f)
^  Call: (205) [user] is_delimiter(f)
   Call: (206) [system] char_type(f, space)
   Fail: (206) [system] char_type(f, space)
   Call: (206) [system] arg(_666936, v('(', ')', end_of_file), f)
   Fail: (206) [system] arg(_667868, v('(', ')', end_of_file), f)
^  Fail: (205) [user] is_delimiter(f)
   Call: (205) [system] ')'==f
   Fail: (205) [system] ')'==f
   Call: (205) [system] get_char((0x563acd73bee0), f)
   Exit: (205) [system] get_char((0x563acd73bee0), f)
   Call: (205) [system] f=(\)
   Fail: (205) [system] f=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _675218)
   Call: (206) [system] peek_char((0x563acd73bee0), _676152)
   Exit: (206) [system] peek_char((0x563acd73bee0), '3')
^  Call: (206) [user] is_delimiter('3')
   Call: (207) [system] char_type('3', space)
   Fail: (207) [system] char_type('3', space)
   Call: (207) [system] arg(_680872, v('(', ')', end_of_file), '3')
   Fail: (207) [system] arg(_681804, v('(', ')', end_of_file), '3')
^  Fail: (206) [user] is_delimiter('3')
   Call: (206) [system] ')'=='3'
   Fail: (206) [system] ')'=='3'
   Call: (206) [system] get_char((0x563acd73bee0), '3')
   Exit: (206) [system] get_char((0x563acd73bee0), '3')
   Call: (206) [system] '3'=(\)
   Fail: (206) [system] '3'=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _689154)
   Call: (207) [system] peek_char((0x563acd73bee0), _690088)
   Exit: (207) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _689154=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (206) [system] _675218=['3']
   Exit: (206) [system] ['3']=['3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), ['3'])
   Call: (205) [system] _661282=[f, '3']
   Exit: (205) [system] [f, '3']=[f, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [f, '3'])
   Call: (204) [system] _647346=[o, f, '3']
   Exit: (204) [system] [o, f, '3']=[o, f, '3']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, f, '3'])
   Call: (203) [system] _633410=[o, o, f, '3']
   Exit: (203) [system] [o, o, f, '3']=[o, o, f, '3']
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, o, f, '3'])
   Call: (202) [system] _619474=[r, o, o, f, '3']
   Exit: (202) [system] [r, o, o, f, '3']=[r, o, o, f, '3']
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, o, f, '3'])
   Call: (201) [system] _605538=[p, r, o, o, f, '3']
   Exit: (201) [system] [p, r, o, o, f, '3']=[p, r, o, o, f, '3']
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, o, o, f, '3'])
^  Call: (200) [user] classify_and_convert_charseq([$, p, r, o, o, f, '3'], _570028)
^  Call: (201) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '3'], _716136)
   Call: (202) [system] atom_chars(_717068, ['_', p, r, o, o, f, '3'])
   Exit: (202) [system] atom_chars('_proof3', ['_', p, r, o, o, f, '3'])
^  Exit: (201) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '3'], _proof3)
   Call: (201) [system] integer(_proof3)
   Fail: (201) [system] integer(_proof3)
   Call: (201) [system] _570028=_proof3
   Exit: (201) [system] _proof3=_proof3
^  Exit: (200) [user] classify_and_convert_charseq([$, p, r, o, o, f, '3'], _proof3)
^  Exit: (199) [user] read_symbolic(')', (0x563acd73bee0), $, _proof3)
^  Exit: (198) [user] cont_sexpr(')', (0x563acd73bee0), _proof3)
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _726360)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _728218)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x563acd73bee0), _737812)
   Exit: (200) [system] get_char((0x563acd73bee0), ' ')
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _740516)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _757450)
   Exit: (199) [system] peek_char((0x563acd73bee0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x563acd73bee0), _763020)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _764878)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] get_char((0x563acd73bee0), _780888)
   Exit: (200) [system] get_char((0x563acd73bee0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x563acd73bee0), $, _763020)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _798530)
   Call: (202) [system] peek_char((0x563acd73bee0), _799464)
   Exit: (202) [system] peek_char((0x563acd73bee0), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Fail: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_804184, v('(', ')', end_of_file), p)
   Fail: (203) [system] arg(_805116, v('(', ')', end_of_file), p)
^  Fail: (202) [user] is_delimiter(p)
   Call: (202) [system] ')'==p
   Fail: (202) [system] ')'==p
   Call: (202) [system] get_char((0x563acd73bee0), p)
   Exit: (202) [system] get_char((0x563acd73bee0), p)
   Call: (202) [system] p=(\)
   Fail: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _812466)
   Call: (203) [system] peek_char((0x563acd73bee0), _813400)
   Exit: (203) [system] peek_char((0x563acd73bee0), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_818120, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_819052, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x563acd73bee0), r)
   Exit: (203) [system] get_char((0x563acd73bee0), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _826402)
   Call: (204) [system] peek_char((0x563acd73bee0), _827336)
   Exit: (204) [system] peek_char((0x563acd73bee0), e)
^  Call: (204) [user] is_delimiter(e)
   Call: (205) [system] char_type(e, space)
   Fail: (205) [system] char_type(e, space)
   Call: (205) [system] arg(_832056, v('(', ')', end_of_file), e)
   Fail: (205) [system] arg(_832988, v('(', ')', end_of_file), e)
^  Fail: (204) [user] is_delimiter(e)
   Call: (204) [system] ')'==e
   Fail: (204) [system] ')'==e
   Call: (204) [system] get_char((0x563acd73bee0), e)
   Exit: (204) [system] get_char((0x563acd73bee0), e)
   Call: (204) [system] e=(\)
   Fail: (204) [system] e=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _840338)
   Call: (205) [system] peek_char((0x563acd73bee0), _841272)
   Exit: (205) [system] peek_char((0x563acd73bee0), m)
^  Call: (205) [user] is_delimiter(m)
   Call: (206) [system] char_type(m, space)
   Fail: (206) [system] char_type(m, space)
   Call: (206) [system] arg(_845992, v('(', ')', end_of_file), m)
   Fail: (206) [system] arg(_846924, v('(', ')', end_of_file), m)
^  Fail: (205) [user] is_delimiter(m)
   Call: (205) [system] ')'==m
   Fail: (205) [system] ')'==m
   Call: (205) [system] get_char((0x563acd73bee0), m)
   Exit: (205) [system] get_char((0x563acd73bee0), m)
   Call: (205) [system] m=(\)
   Fail: (205) [system] m=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _854274)
   Call: (206) [system] peek_char((0x563acd73bee0), _855208)
   Exit: (206) [system] peek_char((0x563acd73bee0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_859928, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_860860, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x563acd73bee0), i)
   Exit: (206) [system] get_char((0x563acd73bee0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _868210)
   Call: (207) [system] peek_char((0x563acd73bee0), _869144)
   Exit: (207) [system] peek_char((0x563acd73bee0), s)
^  Call: (207) [user] is_delimiter(s)
   Call: (208) [system] char_type(s, space)
   Fail: (208) [system] char_type(s, space)
   Call: (208) [system] arg(_873864, v('(', ')', end_of_file), s)
   Fail: (208) [system] arg(_874796, v('(', ')', end_of_file), s)
^  Fail: (207) [user] is_delimiter(s)
   Call: (207) [system] ')'==s
   Fail: (207) [system] ')'==s
   Call: (207) [system] get_char((0x563acd73bee0), s)
   Exit: (207) [system] get_char((0x563acd73bee0), s)
   Call: (207) [system] s=(\)
   Fail: (207) [system] s=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _882146)
   Call: (208) [system] peek_char((0x563acd73bee0), _883080)
   Exit: (208) [system] peek_char((0x563acd73bee0), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Fail: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_887800, v('(', ')', end_of_file), e)
   Fail: (209) [system] arg(_888732, v('(', ')', end_of_file), e)
^  Fail: (208) [user] is_delimiter(e)
   Call: (208) [system] ')'==e
   Fail: (208) [system] ')'==e
   Call: (208) [system] get_char((0x563acd73bee0), e)
   Exit: (208) [system] get_char((0x563acd73bee0), e)
   Call: (208) [system] e=(\)
   Fail: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _896082)
   Call: (209) [system] peek_char((0x563acd73bee0), _897016)
   Exit: (209) [system] peek_char((0x563acd73bee0), '3')
^  Call: (209) [user] is_delimiter('3')
   Call: (210) [system] char_type('3', space)
   Fail: (210) [system] char_type('3', space)
   Call: (210) [system] arg(_901736, v('(', ')', end_of_file), '3')
   Fail: (210) [system] arg(_902668, v('(', ')', end_of_file), '3')
^  Fail: (209) [user] is_delimiter('3')
   Call: (209) [system] ')'=='3'
   Fail: (209) [system] ')'=='3'
   Call: (209) [system] get_char((0x563acd73bee0), '3')
   Exit: (209) [system] get_char((0x563acd73bee0), '3')
   Call: (209) [system] '3'=(\)
   Fail: (209) [system] '3'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _910018)
   Call: (210) [system] peek_char((0x563acd73bee0), _910952)
   Exit: (210) [system] peek_char((0x563acd73bee0), ')')
^  Call: (210) [user] is_delimiter(')')
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] arg(_915672, v('(', ')', end_of_file), ')')
   Exit: (211) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (210) [user] is_delimiter(')')
   Call: (210) [system] _910018=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (209) [system] _896082=['3']
   Exit: (209) [system] ['3']=['3']
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), ['3'])
   Call: (208) [system] _882146=[e, '3']
   Exit: (208) [system] [e, '3']=[e, '3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, '3'])
   Call: (207) [system] _868210=[s, e, '3']
   Exit: (207) [system] [s, e, '3']=[s, e, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, e, '3'])
   Call: (206) [system] _854274=[i, s, e, '3']
   Exit: (206) [system] [i, s, e, '3']=[i, s, e, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, e, '3'])
   Call: (205) [system] _840338=[m, i, s, e, '3']
   Exit: (205) [system] [m, i, s, e, '3']=[m, i, s, e, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, i, s, e, '3'])
   Call: (204) [system] _826402=[e, m, i, s, e, '3']
   Exit: (204) [system] [e, m, i, s, e, '3']=[e, m, i, s, e, '3']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, m, i, s, e, '3'])
   Call: (203) [system] _812466=[r, e, m, i, s, e, '3']
   Exit: (203) [system] [r, e, m, i, s, e, '3']=[r, e, m, i, s, e, '3']
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, e, m, i, s, e, '3'])
   Call: (202) [system] _798530=[p, r, e, m, i, s, e, '3']
   Exit: (202) [system] [p, r, e, m, i, s, e, '3']=[p, r, e, m, i, s, e, '3']
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, e, m, i, s, e, '3'])
^  Call: (201) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '3'], _763020)
^  Call: (202) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '3'], _944460)
   Call: (203) [system] atom_chars(_945392, ['_', p, r, e, m, i, s, e, '3'])
   Exit: (203) [system] atom_chars('_premise3', ['_', p, r, e, m, i, s, e, '3'])
^  Exit: (202) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '3'], _premise3)
   Call: (202) [system] integer(_premise3)
   Fail: (202) [system] integer(_premise3)
   Call: (202) [system] _763020=_premise3
   Exit: (202) [system] _premise3=_premise3
^  Exit: (201) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '3'], _premise3)
^  Exit: (200) [user] read_symbolic(')', (0x563acd73bee0), $, _premise3)
^  Exit: (199) [user] cont_sexpr(')', (0x563acd73bee0), _premise3)
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _954684)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _956542)
   Exit: (201) [system] peek_char((0x563acd73bee0), ')')
   Call: (201) [system] ')'=(;)
   Fail: (201) [system] ')'=(;)
   Call: (201) [system] ')'=(/)
   Fail: (201) [system] ')'=(/)
^  Call: (201) [user] is_like_space(')')
   Call: (202) [system] char_type(')', 'white')
   Fail: (202) [system] char_type(')', 'white')
   Call: (202) [system] char_type(')', end_of_line)
   Fail: (202) [system] char_type(')', end_of_line)
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] char_type(')', cntrl)
   Fail: (202) [system] char_type(')', cntrl)
^  Fail: (201) [user] is_like_space(')')
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _972552)
   Exit: (200) [system] peek_char((0x563acd73bee0), ')')
   Call: (200) [system] ')'=')'
   Exit: (200) [system] ')'=')'
   Call: (200) [system] get_char((0x563acd73bee0), _976342)
   Exit: (200) [system] get_char((0x563acd73bee0), ')')
   Call: (200) [system] _954684=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), [])
   Call: (199) [system] _726360=[_premise3]
   Exit: (199) [system] [_premise3]=[_premise3]
^  Exit: (198) [user] read_list(')', (0x563acd73bee0), [_premise3])
   Call: (198) [system] _533368=[_proof3, _premise3]
   Exit: (198) [system] [_proof3, _premise3]=[_proof3, _premise3]
^  Exit: (197) [user] read_list(')', (0x563acd73bee0), [_proof3, _premise3])
   Call: (197) [system] _429542=[:, _proof3, _premise3]
   Exit: (197) [system] [:, _proof3, _premise3]=[:, _proof3, _premise3]
^  Exit: (196) [user] read_list(')', (0x563acd73bee0), [:, _proof3, _premise3])
^  Exit: (195) [user] cont_sexpr(')', (0x563acd73bee0), [:, _proof3, _premise3])
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _990224)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _992082)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x563acd73bee0), _1001676)
   Exit: (197) [system] get_char((0x563acd73bee0), ' ')
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1004380)
   Exit: (198) [system] peek_char((0x563acd73bee0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1021314)
   Exit: (196) [system] peek_char((0x563acd73bee0), '(')
   Call: (196) [system] '('=')'
   Fail: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
   Fail: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x563acd73bee0), _1026884)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1028742)
   Exit: (198) [system] peek_char((0x563acd73bee0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] get_char((0x563acd73bee0), _1044752)
   Exit: (197) [system] get_char((0x563acd73bee0), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _1026884)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1050322)
   Exit: (199) [system] peek_char((0x563acd73bee0), s)
   Call: (199) [system] s=(;)
   Fail: (199) [system] s=(;)
   Call: (199) [system] s=(/)
   Fail: (199) [system] s=(/)
^  Call: (199) [user] is_like_space(s)
   Call: (200) [system] char_type(s, 'white')
   Fail: (200) [system] char_type(s, 'white')
   Call: (200) [system] char_type(s, end_of_line)
   Fail: (200) [system] char_type(s, end_of_line)
   Call: (200) [system] char_type(s, space)
   Fail: (200) [system] char_type(s, space)
   Call: (200) [system] char_type(s, cntrl)
   Fail: (200) [system] char_type(s, cntrl)
^  Fail: (199) [user] is_like_space(s)
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1066332)
   Exit: (198) [system] peek_char((0x563acd73bee0), s)
   Call: (198) [system] s=')'
   Fail: (198) [system] s=')'
   Call: (198) [system] s=end_of_file
   Fail: (198) [system] s=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x563acd73bee0), _1071902)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1073760)
   Exit: (200) [system] peek_char((0x563acd73bee0), s)
   Call: (200) [system] s=(;)
   Fail: (200) [system] s=(;)
   Call: (200) [system] s=(/)
   Fail: (200) [system] s=(/)
^  Call: (200) [user] is_like_space(s)
   Call: (201) [system] char_type(s, 'white')
   Fail: (201) [system] char_type(s, 'white')
   Call: (201) [system] char_type(s, end_of_line)
   Fail: (201) [system] char_type(s, end_of_line)
   Call: (201) [system] char_type(s, space)
   Fail: (201) [system] char_type(s, space)
   Call: (201) [system] char_type(s, cntrl)
   Fail: (201) [system] char_type(s, cntrl)
^  Fail: (200) [user] is_like_space(s)
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] get_char((0x563acd73bee0), _1089770)
   Exit: (199) [system] get_char((0x563acd73bee0), s)
   Call: (199) [system] s='('
   Fail: (199) [system] s='('
   Call: (199) [system] s='['
   Fail: (199) [system] s='['
   Call: (199) [system] s='{'
   Fail: (199) [system] s='{'
   Call: (199) [system] s='"'
   Fail: (199) [system] s='"'
   Call: (199) [system] s=!
   Fail: (199) [system] s=!
   Call: (199) [system] s='\''
   Fail: (199) [system] s='\''
   Call: (199) [system] s='`'
   Fail: (199) [system] s='`'
   Call: (199) [system] s=end_of_file
   Fail: (199) [system] s=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x563acd73bee0), s, _1071902)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _1107412)
   Call: (201) [system] peek_char((0x563acd73bee0), _1108346)
   Exit: (201) [system] peek_char((0x563acd73bee0), y)
^  Call: (201) [user] is_delimiter(y)
   Call: (202) [system] char_type(y, space)
   Fail: (202) [system] char_type(y, space)
   Call: (202) [system] arg(_1113066, v('(', ')', end_of_file), y)
   Fail: (202) [system] arg(_1113998, v('(', ')', end_of_file), y)
^  Fail: (201) [user] is_delimiter(y)
   Call: (201) [system] ')'==y
   Fail: (201) [system] ')'==y
   Call: (201) [system] get_char((0x563acd73bee0), y)
   Exit: (201) [system] get_char((0x563acd73bee0), y)
   Call: (201) [system] y=(\)
   Fail: (201) [system] y=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _1121348)
   Call: (202) [system] peek_char((0x563acd73bee0), _1122282)
   Exit: (202) [system] peek_char((0x563acd73bee0), n)
^  Call: (202) [user] is_delimiter(n)
   Call: (203) [system] char_type(n, space)
   Fail: (203) [system] char_type(n, space)
   Call: (203) [system] arg(_1127002, v('(', ')', end_of_file), n)
   Fail: (203) [system] arg(_1127934, v('(', ')', end_of_file), n)
^  Fail: (202) [user] is_delimiter(n)
   Call: (202) [system] ')'==n
   Fail: (202) [system] ')'==n
   Call: (202) [system] get_char((0x563acd73bee0), n)
   Exit: (202) [system] get_char((0x563acd73bee0), n)
   Call: (202) [system] n=(\)
   Fail: (202) [system] n=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1135284)
   Call: (203) [system] peek_char((0x563acd73bee0), _1136218)
   Exit: (203) [system] peek_char((0x563acd73bee0), t)
^  Call: (203) [user] is_delimiter(t)
   Call: (204) [system] char_type(t, space)
   Fail: (204) [system] char_type(t, space)
   Call: (204) [system] arg(_1140938, v('(', ')', end_of_file), t)
   Fail: (204) [system] arg(_1141870, v('(', ')', end_of_file), t)
^  Fail: (203) [user] is_delimiter(t)
   Call: (203) [system] ')'==t
   Fail: (203) [system] ')'==t
   Call: (203) [system] get_char((0x563acd73bee0), t)
   Exit: (203) [system] get_char((0x563acd73bee0), t)
   Call: (203) [system] t=(\)
   Fail: (203) [system] t=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1149220)
   Call: (204) [system] peek_char((0x563acd73bee0), _1150154)
   Exit: (204) [system] peek_char((0x563acd73bee0), h)
^  Call: (204) [user] is_delimiter(h)
   Call: (205) [system] char_type(h, space)
   Fail: (205) [system] char_type(h, space)
   Call: (205) [system] arg(_1154874, v('(', ')', end_of_file), h)
   Fail: (205) [system] arg(_1155806, v('(', ')', end_of_file), h)
^  Fail: (204) [user] is_delimiter(h)
   Call: (204) [system] ')'==h
   Fail: (204) [system] ')'==h
   Call: (204) [system] get_char((0x563acd73bee0), h)
   Exit: (204) [system] get_char((0x563acd73bee0), h)
   Call: (204) [system] h=(\)
   Fail: (204) [system] h=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1163156)
   Call: (205) [system] peek_char((0x563acd73bee0), _1164090)
   Exit: (205) [system] peek_char((0x563acd73bee0), e)
^  Call: (205) [user] is_delimiter(e)
   Call: (206) [system] char_type(e, space)
   Fail: (206) [system] char_type(e, space)
   Call: (206) [system] arg(_1168810, v('(', ')', end_of_file), e)
   Fail: (206) [system] arg(_1169742, v('(', ')', end_of_file), e)
^  Fail: (205) [user] is_delimiter(e)
   Call: (205) [system] ')'==e
   Fail: (205) [system] ')'==e
   Call: (205) [system] get_char((0x563acd73bee0), e)
   Exit: (205) [system] get_char((0x563acd73bee0), e)
   Call: (205) [system] e=(\)
   Fail: (205) [system] e=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1177092)
   Call: (206) [system] peek_char((0x563acd73bee0), _1178026)
   Exit: (206) [system] peek_char((0x563acd73bee0), s)
^  Call: (206) [user] is_delimiter(s)
   Call: (207) [system] char_type(s, space)
   Fail: (207) [system] char_type(s, space)
   Call: (207) [system] arg(_1182746, v('(', ')', end_of_file), s)
   Fail: (207) [system] arg(_1183678, v('(', ')', end_of_file), s)
^  Fail: (206) [user] is_delimiter(s)
   Call: (206) [system] ')'==s
   Fail: (206) [system] ')'==s
   Call: (206) [system] get_char((0x563acd73bee0), s)
   Exit: (206) [system] get_char((0x563acd73bee0), s)
   Call: (206) [system] s=(\)
   Fail: (206) [system] s=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1191028)
   Call: (207) [system] peek_char((0x563acd73bee0), _1191962)
   Exit: (207) [system] peek_char((0x563acd73bee0), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Fail: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_1196682, v('(', ')', end_of_file), i)
   Fail: (208) [system] arg(_1197614, v('(', ')', end_of_file), i)
^  Fail: (207) [user] is_delimiter(i)
   Call: (207) [system] ')'==i
   Fail: (207) [system] ')'==i
   Call: (207) [system] get_char((0x563acd73bee0), i)
   Exit: (207) [system] get_char((0x563acd73bee0), i)
   Call: (207) [system] i=(\)
   Fail: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1204964)
   Call: (208) [system] peek_char((0x563acd73bee0), _1205898)
   Exit: (208) [system] peek_char((0x563acd73bee0), z)
^  Call: (208) [user] is_delimiter(z)
   Call: (209) [system] char_type(z, space)
   Fail: (209) [system] char_type(z, space)
   Call: (209) [system] arg(_1210618, v('(', ')', end_of_file), z)
   Fail: (209) [system] arg(_1211550, v('(', ')', end_of_file), z)
^  Fail: (208) [user] is_delimiter(z)
   Call: (208) [system] ')'==z
   Fail: (208) [system] ')'==z
   Call: (208) [system] get_char((0x563acd73bee0), z)
   Exit: (208) [system] get_char((0x563acd73bee0), z)
   Call: (208) [system] z=(\)
   Fail: (208) [system] z=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1218900)
   Call: (209) [system] peek_char((0x563acd73bee0), _1219834)
   Exit: (209) [system] peek_char((0x563acd73bee0), e)
^  Call: (209) [user] is_delimiter(e)
   Call: (210) [system] char_type(e, space)
   Fail: (210) [system] char_type(e, space)
   Call: (210) [system] arg(_1224554, v('(', ')', end_of_file), e)
   Fail: (210) [system] arg(_1225486, v('(', ')', end_of_file), e)
^  Fail: (209) [user] is_delimiter(e)
   Call: (209) [system] ')'==e
   Fail: (209) [system] ')'==e
   Call: (209) [system] get_char((0x563acd73bee0), e)
   Exit: (209) [system] get_char((0x563acd73bee0), e)
   Call: (209) [system] e=(\)
   Fail: (209) [system] e=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1232836)
   Call: (210) [system] peek_char((0x563acd73bee0), _1233770)
   Exit: (210) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1232836=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (209) [system] _1218900=[e]
   Exit: (209) [system] [e]=[e]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [e])
   Call: (208) [system] _1204964=[z, e]
   Exit: (208) [system] [z, e]=[z, e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [z, e])
   Call: (207) [system] _1191028=[i, z, e]
   Exit: (207) [system] [i, z, e]=[i, z, e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, z, e])
   Call: (206) [system] _1177092=[s, i, z, e]
   Exit: (206) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, i, z, e])
   Call: (205) [system] _1163156=[e, s, i, z, e]
   Exit: (205) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, s, i, z, e])
   Call: (204) [system] _1149220=[h, e, s, i, z, e]
   Exit: (204) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [h, e, s, i, z, e])
   Call: (203) [system] _1135284=[t, h, e, s, i, z, e]
   Exit: (203) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, h, e, s, i, z, e])
   Call: (202) [system] _1121348=[n, t, h, e, s, i, z, e]
   Exit: (202) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, h, e, s, i, z, e])
   Call: (201) [system] _1107412=[y, n, t, h, e, s, i, z, e]
   Exit: (201) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [y, n, t, h, e, s, i, z, e])
^  Call: (200) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _1071902)
^  Call: (201) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _1268200)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_1269152, _1269154), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _1268200), _1269134, fail)), '$restore_trace'(_1269152, _1269154))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_1269152, _1269154))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _1269134, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(synthesize)
   Exit: (202) [system] atomic(synthesize)
^  Exit: (201) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (201) [system] integer(synthesize)
   Fail: (201) [system] integer(synthesize)
   Call: (201) [system] _1071902=synthesize
   Exit: (201) [system] synthesize=synthesize
^  Exit: (200) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (199) [user] read_symbolic(')', (0x563acd73bee0), s, synthesize)
^  Exit: (198) [user] cont_sexpr(')', (0x563acd73bee0), synthesize)
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _1281280)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1283138)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x563acd73bee0), _1292732)
   Exit: (200) [system] get_char((0x563acd73bee0), ' ')
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1295436)
   Exit: (201) [system] peek_char((0x563acd73bee0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
   Call: (201) [system] '('=(/)
   Fail: (201) [system] '('=(/)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1312370)
   Exit: (199) [system] peek_char((0x563acd73bee0), '(')
   Call: (199) [system] '('=')'
   Fail: (199) [system] '('=')'
   Call: (199) [system] '('=end_of_file
   Fail: (199) [system] '('=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x563acd73bee0), _1317940)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1319798)
   Exit: (201) [system] peek_char((0x563acd73bee0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
   Call: (201) [system] '('=(/)
   Fail: (201) [system] '('=(/)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] get_char((0x563acd73bee0), _1335808)
   Exit: (200) [system] get_char((0x563acd73bee0), '(')
   Call: (200) [system] '('='('
   Exit: (200) [system] '('='('
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _1317940)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1341378)
   Exit: (202) [system] peek_char((0x563acd73bee0), :)
   Call: (202) [system] (:)=(;)
   Fail: (202) [system] (:)=(;)
   Call: (202) [system] (:)=(/)
   Fail: (202) [system] (:)=(/)
^  Call: (202) [user] is_like_space(:)
   Call: (203) [system] char_type(:, 'white')
   Fail: (203) [system] char_type(:, 'white')
   Call: (203) [system] char_type(:, end_of_line)
   Fail: (203) [system] char_type(:, end_of_line)
   Call: (203) [system] char_type(:, space)
   Fail: (203) [system] char_type(:, space)
   Call: (203) [system] char_type(:, cntrl)
   Fail: (203) [system] char_type(:, cntrl)
^  Fail: (202) [user] is_like_space(:)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1357388)
   Exit: (201) [system] peek_char((0x563acd73bee0), :)
   Call: (201) [system] (:)=')'
   Fail: (201) [system] (:)=')'
   Call: (201) [system] (:)=end_of_file
   Fail: (201) [system] (:)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x563acd73bee0), _1362958)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1364816)
   Exit: (203) [system] peek_char((0x563acd73bee0), :)
   Call: (203) [system] (:)=(;)
   Fail: (203) [system] (:)=(;)
   Call: (203) [system] (:)=(/)
   Fail: (203) [system] (:)=(/)
^  Call: (203) [user] is_like_space(:)
   Call: (204) [system] char_type(:, 'white')
   Fail: (204) [system] char_type(:, 'white')
   Call: (204) [system] char_type(:, end_of_line)
   Fail: (204) [system] char_type(:, end_of_line)
   Call: (204) [system] char_type(:, space)
   Fail: (204) [system] char_type(:, space)
   Call: (204) [system] char_type(:, cntrl)
   Fail: (204) [system] char_type(:, cntrl)
^  Fail: (203) [user] is_like_space(:)
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] get_char((0x563acd73bee0), _1380826)
   Exit: (202) [system] get_char((0x563acd73bee0), :)
   Call: (202) [system] (:)='('
   Fail: (202) [system] (:)='('
   Call: (202) [system] (:)='['
   Fail: (202) [system] (:)='['
   Call: (202) [system] (:)='{'
   Fail: (202) [system] (:)='{'
   Call: (202) [system] (:)='"'
   Fail: (202) [system] (:)='"'
   Call: (202) [system] (:)=!
   Fail: (202) [system] (:)=!
   Call: (202) [system] (:)='\''
   Fail: (202) [system] (:)='\''
   Call: (202) [system] (:)='`'
   Fail: (202) [system] (:)='`'
   Call: (202) [system] (:)=end_of_file
   Fail: (202) [system] (:)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x563acd73bee0), :, _1362958)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1398468)
   Call: (204) [system] peek_char((0x563acd73bee0), _1399402)
   Exit: (204) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _1398468=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (203) [user] classify_and_convert_charseq([:], _1362958)
^  Call: (204) [user] classify_and_convert_charseq_([:], _1408686)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_1409638, _1409640), once(user:catch(read_from_chars([:], _1408686), _1409620, fail)), '$restore_trace'(_1409638, _1409640))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_1409638, _1409640))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1409620, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(:)
   Exit: (205) [system] atomic(:)
^  Exit: (204) [user] classify_and_convert_charseq_([:], :)
   Call: (204) [system] integer(:)
   Fail: (204) [system] integer(:)
   Call: (204) [system] _1362958=(:)
   Exit: (204) [system] (:)=(:)
^  Exit: (203) [user] classify_and_convert_charseq([:], :)
^  Exit: (202) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (201) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (201) [user] read_list(')', (0x563acd73bee0), _1421766)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1423624)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x563acd73bee0), _1433218)
   Exit: (203) [system] get_char((0x563acd73bee0), ' ')
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1435922)
   Exit: (204) [system] peek_char((0x563acd73bee0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1452856)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=')'
   Fail: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x563acd73bee0), _1458426)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1460284)
   Exit: (204) [system] peek_char((0x563acd73bee0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] get_char((0x563acd73bee0), _1476294)
   Exit: (203) [system] get_char((0x563acd73bee0), $)
   Call: (203) [system] ($)='('
   Fail: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Fail: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Fail: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Fail: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Fail: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Fail: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Fail: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x563acd73bee0), $, _1458426)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1493936)
   Call: (205) [system] peek_char((0x563acd73bee0), _1494870)
   Exit: (205) [system] peek_char((0x563acd73bee0), p)
^  Call: (205) [user] is_delimiter(p)
   Call: (206) [system] char_type(p, space)
   Fail: (206) [system] char_type(p, space)
   Call: (206) [system] arg(_1499590, v('(', ')', end_of_file), p)
   Fail: (206) [system] arg(_1500522, v('(', ')', end_of_file), p)
^  Fail: (205) [user] is_delimiter(p)
   Call: (205) [system] ')'==p
   Fail: (205) [system] ')'==p
   Call: (205) [system] get_char((0x563acd73bee0), p)
   Exit: (205) [system] get_char((0x563acd73bee0), p)
   Call: (205) [system] p=(\)
   Fail: (205) [system] p=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1507872)
   Call: (206) [system] peek_char((0x563acd73bee0), _1508806)
   Exit: (206) [system] peek_char((0x563acd73bee0), r)
^  Call: (206) [user] is_delimiter(r)
   Call: (207) [system] char_type(r, space)
   Fail: (207) [system] char_type(r, space)
   Call: (207) [system] arg(_1513526, v('(', ')', end_of_file), r)
   Fail: (207) [system] arg(_1514458, v('(', ')', end_of_file), r)
^  Fail: (206) [user] is_delimiter(r)
   Call: (206) [system] ')'==r
   Fail: (206) [system] ')'==r
   Call: (206) [system] get_char((0x563acd73bee0), r)
   Exit: (206) [system] get_char((0x563acd73bee0), r)
   Call: (206) [system] r=(\)
   Fail: (206) [system] r=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1521808)
   Call: (207) [system] peek_char((0x563acd73bee0), _1522742)
   Exit: (207) [system] peek_char((0x563acd73bee0), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_1527462, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_1528394, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x563acd73bee0), o)
   Exit: (207) [system] get_char((0x563acd73bee0), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1535744)
   Call: (208) [system] peek_char((0x563acd73bee0), _1536678)
   Exit: (208) [system] peek_char((0x563acd73bee0), o)
^  Call: (208) [user] is_delimiter(o)
   Call: (209) [system] char_type(o, space)
   Fail: (209) [system] char_type(o, space)
   Call: (209) [system] arg(_1541398, v('(', ')', end_of_file), o)
   Fail: (209) [system] arg(_1542330, v('(', ')', end_of_file), o)
^  Fail: (208) [user] is_delimiter(o)
   Call: (208) [system] ')'==o
   Fail: (208) [system] ')'==o
   Call: (208) [system] get_char((0x563acd73bee0), o)
   Exit: (208) [system] get_char((0x563acd73bee0), o)
   Call: (208) [system] o=(\)
   Fail: (208) [system] o=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1549680)
   Call: (209) [system] peek_char((0x563acd73bee0), _1550614)
   Exit: (209) [system] peek_char((0x563acd73bee0), f)
^  Call: (209) [user] is_delimiter(f)
   Call: (210) [system] char_type(f, space)
   Fail: (210) [system] char_type(f, space)
   Call: (210) [system] arg(_1555334, v('(', ')', end_of_file), f)
   Fail: (210) [system] arg(_1556266, v('(', ')', end_of_file), f)
^  Fail: (209) [user] is_delimiter(f)
   Call: (209) [system] ')'==f
   Fail: (209) [system] ')'==f
   Call: (209) [system] get_char((0x563acd73bee0), f)
   Exit: (209) [system] get_char((0x563acd73bee0), f)
   Call: (209) [system] f=(\)
   Fail: (209) [system] f=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1563616)
   Call: (210) [system] peek_char((0x563acd73bee0), _1564550)
   Exit: (210) [system] peek_char((0x563acd73bee0), '3')
^  Call: (210) [user] is_delimiter('3')
   Call: (211) [system] char_type('3', space)
   Fail: (211) [system] char_type('3', space)
   Call: (211) [system] arg(_1569270, v('(', ')', end_of_file), '3')
   Fail: (211) [system] arg(_1570202, v('(', ')', end_of_file), '3')
^  Fail: (210) [user] is_delimiter('3')
   Call: (210) [system] ')'=='3'
   Fail: (210) [system] ')'=='3'
   Call: (210) [system] get_char((0x563acd73bee0), '3')
   Exit: (210) [system] get_char((0x563acd73bee0), '3')
   Call: (210) [system] '3'=(\)
   Fail: (210) [system] '3'=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1577552)
   Call: (211) [system] peek_char((0x563acd73bee0), _1578486)
   Exit: (211) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _1577552=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (210) [system] _1563616=['3']
   Exit: (210) [system] ['3']=['3']
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), ['3'])
   Call: (209) [system] _1549680=[f, '3']
   Exit: (209) [system] [f, '3']=[f, '3']
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [f, '3'])
   Call: (208) [system] _1535744=[o, f, '3']
   Exit: (208) [system] [o, f, '3']=[o, f, '3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, f, '3'])
   Call: (207) [system] _1521808=[o, o, f, '3']
   Exit: (207) [system] [o, o, f, '3']=[o, o, f, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, o, f, '3'])
   Call: (206) [system] _1507872=[r, o, o, f, '3']
   Exit: (206) [system] [r, o, o, f, '3']=[r, o, o, f, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, o, f, '3'])
   Call: (205) [system] _1493936=[p, r, o, o, f, '3']
   Exit: (205) [system] [p, r, o, o, f, '3']=[p, r, o, o, f, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, o, o, f, '3'])
^  Call: (204) [user] classify_and_convert_charseq([$, p, r, o, o, f, '3'], _1458426)
^  Call: (205) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '3'], _1604534)
   Call: (206) [system] atom_chars(_1605466, ['_', p, r, o, o, f, '3'])
   Exit: (206) [system] atom_chars('_proof3', ['_', p, r, o, o, f, '3'])
^  Exit: (205) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '3'], _proof3)
   Call: (205) [system] integer(_proof3)
   Fail: (205) [system] integer(_proof3)
   Call: (205) [system] _1458426=_proof3
   Exit: (205) [system] _proof3=_proof3
^  Exit: (204) [user] classify_and_convert_charseq([$, p, r, o, o, f, '3'], _proof3)
^  Exit: (203) [user] read_symbolic(')', (0x563acd73bee0), $, _proof3)
^  Exit: (202) [user] cont_sexpr(')', (0x563acd73bee0), _proof3)
^  Call: (202) [user] read_list(')', (0x563acd73bee0), _1614758)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1616616)
   Exit: (204) [system] peek_char((0x563acd73bee0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x563acd73bee0), _1626210)
   Exit: (204) [system] get_char((0x563acd73bee0), ' ')
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1628914)
   Exit: (205) [system] peek_char((0x563acd73bee0), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
   Call: (205) [system] ($)=(/)
   Fail: (205) [system] ($)=(/)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1645848)
   Exit: (203) [system] peek_char((0x563acd73bee0), $)
   Call: (203) [system] ($)=')'
   Fail: (203) [system] ($)=')'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x563acd73bee0), _1651418)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1653276)
   Exit: (205) [system] peek_char((0x563acd73bee0), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
   Call: (205) [system] ($)=(/)
   Fail: (205) [system] ($)=(/)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] get_char((0x563acd73bee0), _1669286)
   Exit: (204) [system] get_char((0x563acd73bee0), $)
   Call: (204) [system] ($)='('
   Fail: (204) [system] ($)='('
   Call: (204) [system] ($)='['
   Fail: (204) [system] ($)='['
   Call: (204) [system] ($)='{'
   Fail: (204) [system] ($)='{'
   Call: (204) [system] ($)='"'
   Fail: (204) [system] ($)='"'
   Call: (204) [system] ($)=!
   Fail: (204) [system] ($)=!
   Call: (204) [system] ($)='\''
   Fail: (204) [system] ($)='\''
   Call: (204) [system] ($)='`'
   Fail: (204) [system] ($)='`'
   Call: (204) [system] ($)=end_of_file
   Fail: (204) [system] ($)=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x563acd73bee0), $, _1651418)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1686928)
   Call: (206) [system] peek_char((0x563acd73bee0), _1687862)
   Exit: (206) [system] peek_char((0x563acd73bee0), p)
^  Call: (206) [user] is_delimiter(p)
   Call: (207) [system] char_type(p, space)
   Fail: (207) [system] char_type(p, space)
   Call: (207) [system] arg(_1692582, v('(', ')', end_of_file), p)
   Fail: (207) [system] arg(_1693514, v('(', ')', end_of_file), p)
^  Fail: (206) [user] is_delimiter(p)
   Call: (206) [system] ')'==p
   Fail: (206) [system] ')'==p
   Call: (206) [system] get_char((0x563acd73bee0), p)
   Exit: (206) [system] get_char((0x563acd73bee0), p)
   Call: (206) [system] p=(\)
   Fail: (206) [system] p=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1700864)
   Call: (207) [system] peek_char((0x563acd73bee0), _1701798)
   Exit: (207) [system] peek_char((0x563acd73bee0), r)
^  Call: (207) [user] is_delimiter(r)
   Call: (208) [system] char_type(r, space)
   Fail: (208) [system] char_type(r, space)
   Call: (208) [system] arg(_1706518, v('(', ')', end_of_file), r)
   Fail: (208) [system] arg(_1707450, v('(', ')', end_of_file), r)
^  Fail: (207) [user] is_delimiter(r)
   Call: (207) [system] ')'==r
   Fail: (207) [system] ')'==r
   Call: (207) [system] get_char((0x563acd73bee0), r)
   Exit: (207) [system] get_char((0x563acd73bee0), r)
   Call: (207) [system] r=(\)
   Fail: (207) [system] r=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1714800)
   Call: (208) [system] peek_char((0x563acd73bee0), _1715734)
   Exit: (208) [system] peek_char((0x563acd73bee0), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Fail: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_1720454, v('(', ')', end_of_file), e)
   Fail: (209) [system] arg(_1721386, v('(', ')', end_of_file), e)
^  Fail: (208) [user] is_delimiter(e)
   Call: (208) [system] ')'==e
   Fail: (208) [system] ')'==e
   Call: (208) [system] get_char((0x563acd73bee0), e)
   Exit: (208) [system] get_char((0x563acd73bee0), e)
   Call: (208) [system] e=(\)
   Fail: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1728736)
   Call: (209) [system] peek_char((0x563acd73bee0), _1729670)
   Exit: (209) [system] peek_char((0x563acd73bee0), m)
^  Call: (209) [user] is_delimiter(m)
   Call: (210) [system] char_type(m, space)
   Fail: (210) [system] char_type(m, space)
   Call: (210) [system] arg(_1734390, v('(', ')', end_of_file), m)
   Fail: (210) [system] arg(_1735322, v('(', ')', end_of_file), m)
^  Fail: (209) [user] is_delimiter(m)
   Call: (209) [system] ')'==m
   Fail: (209) [system] ')'==m
   Call: (209) [system] get_char((0x563acd73bee0), m)
   Exit: (209) [system] get_char((0x563acd73bee0), m)
   Call: (209) [system] m=(\)
   Fail: (209) [system] m=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1742672)
   Call: (210) [system] peek_char((0x563acd73bee0), _1743606)
   Exit: (210) [system] peek_char((0x563acd73bee0), i)
^  Call: (210) [user] is_delimiter(i)
   Call: (211) [system] char_type(i, space)
   Fail: (211) [system] char_type(i, space)
   Call: (211) [system] arg(_1748326, v('(', ')', end_of_file), i)
   Fail: (211) [system] arg(_1749258, v('(', ')', end_of_file), i)
^  Fail: (210) [user] is_delimiter(i)
   Call: (210) [system] ')'==i
   Fail: (210) [system] ')'==i
   Call: (210) [system] get_char((0x563acd73bee0), i)
   Exit: (210) [system] get_char((0x563acd73bee0), i)
   Call: (210) [system] i=(\)
   Fail: (210) [system] i=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1756608)
   Call: (211) [system] peek_char((0x563acd73bee0), _1757542)
   Exit: (211) [system] peek_char((0x563acd73bee0), s)
^  Call: (211) [user] is_delimiter(s)
   Call: (212) [system] char_type(s, space)
   Fail: (212) [system] char_type(s, space)
   Call: (212) [system] arg(_1762262, v('(', ')', end_of_file), s)
   Fail: (212) [system] arg(_1763194, v('(', ')', end_of_file), s)
^  Fail: (211) [user] is_delimiter(s)
   Call: (211) [system] ')'==s
   Fail: (211) [system] ')'==s
   Call: (211) [system] get_char((0x563acd73bee0), s)
   Exit: (211) [system] get_char((0x563acd73bee0), s)
   Call: (211) [system] s=(\)
   Fail: (211) [system] s=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1770544)
   Call: (212) [system] peek_char((0x563acd73bee0), _1771478)
   Exit: (212) [system] peek_char((0x563acd73bee0), e)
^  Call: (212) [user] is_delimiter(e)
   Call: (213) [system] char_type(e, space)
   Fail: (213) [system] char_type(e, space)
   Call: (213) [system] arg(_1776198, v('(', ')', end_of_file), e)
   Fail: (213) [system] arg(_1777130, v('(', ')', end_of_file), e)
^  Fail: (212) [user] is_delimiter(e)
   Call: (212) [system] ')'==e
   Fail: (212) [system] ')'==e
   Call: (212) [system] get_char((0x563acd73bee0), e)
   Exit: (212) [system] get_char((0x563acd73bee0), e)
   Call: (212) [system] e=(\)
   Fail: (212) [system] e=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _1784480)
   Call: (213) [system] peek_char((0x563acd73bee0), _1785414)
   Exit: (213) [system] peek_char((0x563acd73bee0), '3')
^  Call: (213) [user] is_delimiter('3')
   Call: (214) [system] char_type('3', space)
   Fail: (214) [system] char_type('3', space)
   Call: (214) [system] arg(_1790134, v('(', ')', end_of_file), '3')
   Fail: (214) [system] arg(_1791066, v('(', ')', end_of_file), '3')
^  Fail: (213) [user] is_delimiter('3')
   Call: (213) [system] ')'=='3'
   Fail: (213) [system] ')'=='3'
   Call: (213) [system] get_char((0x563acd73bee0), '3')
   Exit: (213) [system] get_char((0x563acd73bee0), '3')
   Call: (213) [system] '3'=(\)
   Fail: (213) [system] '3'=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _1798416)
   Call: (214) [system] peek_char((0x563acd73bee0), _1799350)
   Exit: (214) [system] peek_char((0x563acd73bee0), ')')
^  Call: (214) [user] is_delimiter(')')
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] arg(_1804070, v('(', ')', end_of_file), ')')
   Exit: (215) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (214) [user] is_delimiter(')')
   Call: (214) [system] _1798416=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (213) [system] _1784480=['3']
   Exit: (213) [system] ['3']=['3']
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), ['3'])
   Call: (212) [system] _1770544=[e, '3']
   Exit: (212) [system] [e, '3']=[e, '3']
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, '3'])
   Call: (211) [system] _1756608=[s, e, '3']
   Exit: (211) [system] [s, e, '3']=[s, e, '3']
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, e, '3'])
   Call: (210) [system] _1742672=[i, s, e, '3']
   Exit: (210) [system] [i, s, e, '3']=[i, s, e, '3']
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, e, '3'])
   Call: (209) [system] _1728736=[m, i, s, e, '3']
   Exit: (209) [system] [m, i, s, e, '3']=[m, i, s, e, '3']
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, i, s, e, '3'])
   Call: (208) [system] _1714800=[e, m, i, s, e, '3']
   Exit: (208) [system] [e, m, i, s, e, '3']=[e, m, i, s, e, '3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, m, i, s, e, '3'])
   Call: (207) [system] _1700864=[r, e, m, i, s, e, '3']
   Exit: (207) [system] [r, e, m, i, s, e, '3']=[r, e, m, i, s, e, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, e, m, i, s, e, '3'])
   Call: (206) [system] _1686928=[p, r, e, m, i, s, e, '3']
   Exit: (206) [system] [p, r, e, m, i, s, e, '3']=[p, r, e, m, i, s, e, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, e, m, i, s, e, '3'])
^  Call: (205) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '3'], _1651418)
^  Call: (206) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '3'], _1832858)
   Call: (207) [system] atom_chars(_1833790, ['_', p, r, e, m, i, s, e, '3'])
   Exit: (207) [system] atom_chars('_premise3', ['_', p, r, e, m, i, s, e, '3'])
^  Exit: (206) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '3'], _premise3)
   Call: (206) [system] integer(_premise3)
   Fail: (206) [system] integer(_premise3)
   Call: (206) [system] _1651418=_premise3
   Exit: (206) [system] _premise3=_premise3
^  Exit: (205) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '3'], _premise3)
^  Exit: (204) [user] read_symbolic(')', (0x563acd73bee0), $, _premise3)
^  Exit: (203) [user] cont_sexpr(')', (0x563acd73bee0), _premise3)
^  Call: (203) [user] read_list(')', (0x563acd73bee0), _1843082)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1844940)
   Exit: (205) [system] peek_char((0x563acd73bee0), ')')
   Call: (205) [system] ')'=(;)
   Fail: (205) [system] ')'=(;)
   Call: (205) [system] ')'=(/)
   Fail: (205) [system] ')'=(/)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Fail: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Fail: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
   Fail: (206) [system] char_type(')', cntrl)
^  Fail: (205) [user] is_like_space(')')
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1860950)
   Exit: (204) [system] peek_char((0x563acd73bee0), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x563acd73bee0), _1864740)
   Exit: (204) [system] get_char((0x563acd73bee0), ')')
   Call: (204) [system] _1843082=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x563acd73bee0), [])
   Call: (203) [system] _1614758=[_premise3]
   Exit: (203) [system] [_premise3]=[_premise3]
^  Exit: (202) [user] read_list(')', (0x563acd73bee0), [_premise3])
   Call: (202) [system] _1421766=[_proof3, _premise3]
   Exit: (202) [system] [_proof3, _premise3]=[_proof3, _premise3]
^  Exit: (201) [user] read_list(')', (0x563acd73bee0), [_proof3, _premise3])
   Call: (201) [system] _1317940=[:, _proof3, _premise3]
   Exit: (201) [system] [:, _proof3, _premise3]=[:, _proof3, _premise3]
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), [:, _proof3, _premise3])
^  Exit: (199) [user] cont_sexpr(')', (0x563acd73bee0), [:, _proof3, _premise3])
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _1878622)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1880480)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _1890074)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1892778)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1909712)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x563acd73bee0), _1915282)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1917140)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] get_char((0x563acd73bee0), _1933150)
   Exit: (201) [system] get_char((0x563acd73bee0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x563acd73bee0), $, _1915282)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1950792)
   Call: (203) [system] peek_char((0x563acd73bee0), _1951726)
   Exit: (203) [system] peek_char((0x563acd73bee0), k)
^  Call: (203) [user] is_delimiter(k)
   Call: (204) [system] char_type(k, space)
   Fail: (204) [system] char_type(k, space)
   Call: (204) [system] arg(_1956446, v('(', ')', end_of_file), k)
   Fail: (204) [system] arg(_1957378, v('(', ')', end_of_file), k)
^  Fail: (203) [user] is_delimiter(k)
   Call: (203) [system] ')'==k
   Fail: (203) [system] ')'==k
   Call: (203) [system] get_char((0x563acd73bee0), k)
   Exit: (203) [system] get_char((0x563acd73bee0), k)
   Call: (203) [system] k=(\)
   Fail: (203) [system] k=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1964728)
   Call: (204) [system] peek_char((0x563acd73bee0), _1965662)
   Exit: (204) [system] peek_char((0x563acd73bee0), b)
^  Call: (204) [user] is_delimiter(b)
   Call: (205) [system] char_type(b, space)
   Fail: (205) [system] char_type(b, space)
   Call: (205) [system] arg(_1970382, v('(', ')', end_of_file), b)
   Fail: (205) [system] arg(_1971314, v('(', ')', end_of_file), b)
^  Fail: (204) [user] is_delimiter(b)
   Call: (204) [system] ')'==b
   Fail: (204) [system] ')'==b
   Call: (204) [system] get_char((0x563acd73bee0), b)
   Exit: (204) [system] get_char((0x563acd73bee0), b)
   Call: (204) [system] b=(\)
   Fail: (204) [system] b=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1978664)
   Call: (205) [system] peek_char((0x563acd73bee0), _1979598)
   Exit: (205) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _1978664=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (204) [system] _1964728=[b]
   Exit: (204) [system] [b]=[b]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
   Call: (203) [system] _1950792=[k, b]
   Exit: (203) [system] [k, b]=[k, b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [k, b])
^  Call: (202) [user] classify_and_convert_charseq([$, k, b], _1915282)
^  Call: (203) [user] classify_and_convert_charseq_([$, k, b], _1994470)
   Call: (204) [system] atom_chars(_1995402, ['_', k, b])
   Exit: (204) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (203) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (203) [system] integer(_kb)
   Fail: (203) [system] integer(_kb)
   Call: (203) [system] _1915282=_kb
   Exit: (203) [system] _kb=_kb
^  Exit: (202) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (201) [user] read_symbolic(')', (0x563acd73bee0), $, _kb)
^  Exit: (200) [user] cont_sexpr(')', (0x563acd73bee0), _kb)
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _2004694)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _2006552)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x563acd73bee0), _2016146)
   Exit: (202) [system] get_char((0x563acd73bee0), ' ')
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _2018850)
   Exit: (203) [system] peek_char((0x563acd73bee0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _2035784)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x563acd73bee0), _2041354)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _2043212)
   Exit: (203) [system] peek_char((0x563acd73bee0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] get_char((0x563acd73bee0), _2059222)
   Exit: (202) [system] get_char((0x563acd73bee0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x563acd73bee0), $, _2041354)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _2076864)
   Call: (204) [system] peek_char((0x563acd73bee0), _2077798)
   Exit: (204) [system] peek_char((0x563acd73bee0), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_2082518, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_2083450, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x563acd73bee0), r)
   Exit: (204) [system] get_char((0x563acd73bee0), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _2090800)
   Call: (205) [system] peek_char((0x563acd73bee0), _2091734)
   Exit: (205) [system] peek_char((0x563acd73bee0), b)
^  Call: (205) [user] is_delimiter(b)
   Call: (206) [system] char_type(b, space)
   Fail: (206) [system] char_type(b, space)
   Call: (206) [system] arg(_4062, v('(', ')', end_of_file), b)
   Fail: (206) [system] arg(_4658, v('(', ')', end_of_file), b)
^  Fail: (205) [user] is_delimiter(b)
   Call: (205) [system] ')'==b
   Fail: (205) [system] ')'==b
   Call: (205) [system] get_char((0x563acd73bee0), b)
   Exit: (205) [system] get_char((0x563acd73bee0), b)
   Call: (205) [system] b=(\)
   Fail: (205) [system] b=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _12008)
   Call: (206) [system] peek_char((0x563acd73bee0), _12942)
   Exit: (206) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _12008=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (205) [system] _3992=[b]
   Exit: (205) [system] [b]=[b]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
   Call: (204) [system] _3988=[r, b]
   Exit: (204) [system] [r, b]=[r, b]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, b])
^  Call: (203) [user] classify_and_convert_charseq([$, r, b], _3984)
^  Call: (204) [user] classify_and_convert_charseq_([$, r, b], _27814)
   Call: (205) [system] atom_chars(_28746, ['_', r, b])
   Exit: (205) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (204) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (204) [system] integer(_rb)
   Fail: (204) [system] integer(_rb)
   Call: (204) [system] _3984=_rb
   Exit: (204) [system] _rb=_rb
^  Exit: (203) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (202) [user] read_symbolic(')', (0x563acd73bee0), $, _rb)
^  Exit: (201) [user] cont_sexpr(')', (0x563acd73bee0), _rb)
^  Call: (201) [user] read_list(')', (0x563acd73bee0), _38038)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _39896)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x563acd73bee0), _49490)
   Exit: (203) [system] get_char((0x563acd73bee0), ' ')
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _52194)
   Exit: (204) [system] peek_char((0x563acd73bee0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _69128)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=')'
   Fail: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x563acd73bee0), _74698)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _76556)
   Exit: (204) [system] peek_char((0x563acd73bee0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] get_char((0x563acd73bee0), _92566)
   Exit: (203) [system] get_char((0x563acd73bee0), $)
   Call: (203) [system] ($)='('
   Fail: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Fail: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Fail: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Fail: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Fail: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Fail: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Fail: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x563acd73bee0), $, _74698)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _110208)
   Call: (205) [system] peek_char((0x563acd73bee0), _111142)
   Exit: (205) [system] peek_char((0x563acd73bee0), k)
^  Call: (205) [user] is_delimiter(k)
   Call: (206) [system] char_type(k, space)
   Fail: (206) [system] char_type(k, space)
   Call: (206) [system] arg(_115862, v('(', ')', end_of_file), k)
   Fail: (206) [system] arg(_116794, v('(', ')', end_of_file), k)
^  Fail: (205) [user] is_delimiter(k)
   Call: (205) [system] ')'==k
   Fail: (205) [system] ')'==k
   Call: (205) [system] get_char((0x563acd73bee0), k)
   Exit: (205) [system] get_char((0x563acd73bee0), k)
   Call: (205) [system] k=(\)
   Fail: (205) [system] k=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _124144)
   Call: (206) [system] peek_char((0x563acd73bee0), _125078)
   Exit: (206) [system] peek_char((0x563acd73bee0), ')')
^  Call: (206) [user] is_delimiter(')')
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] arg(_129798, v('(', ')', end_of_file), ')')
   Exit: (207) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (206) [user] is_delimiter(')')
   Call: (206) [system] _124144=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (205) [system] _110208=[k]
   Exit: (205) [system] [k]=[k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
^  Call: (204) [user] classify_and_convert_charseq([$, k], _74698)
^  Call: (205) [user] classify_and_convert_charseq_([$, k], _139028)
   Call: (206) [system] atom_chars(_139960, ['_', k])
   Exit: (206) [system] atom_chars('_k', ['_', k])
^  Exit: (205) [user] classify_and_convert_charseq_([$, k], _k)
   Call: (205) [system] integer(_k)
   Fail: (205) [system] integer(_k)
   Call: (205) [system] _74698=_k
   Exit: (205) [system] _k=_k
^  Exit: (204) [user] classify_and_convert_charseq([$, k], _k)
^  Exit: (203) [user] read_symbolic(')', (0x563acd73bee0), $, _k)
^  Exit: (202) [user] cont_sexpr(')', (0x563acd73bee0), _k)
^  Call: (202) [user] read_list(')', (0x563acd73bee0), _149252)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _151110)
   Exit: (204) [system] peek_char((0x563acd73bee0), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
   Call: (204) [system] ')'=(/)
   Fail: (204) [system] ')'=(/)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _167120)
   Exit: (203) [system] peek_char((0x563acd73bee0), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x563acd73bee0), _170910)
   Exit: (203) [system] get_char((0x563acd73bee0), ')')
   Call: (203) [system] _149252=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x563acd73bee0), [])
   Call: (202) [system] _38038=[_k]
   Exit: (202) [system] [_k]=[_k]
^  Exit: (201) [user] read_list(')', (0x563acd73bee0), [_k])
   Call: (201) [system] _3980=[_rb, _k]
   Exit: (201) [system] [_rb, _k]=[_rb, _k]
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), [_rb, _k])
   Call: (200) [system] _3970=[_kb, _rb, _k]
   Exit: (200) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), [_kb, _rb, _k])
   Call: (199) [system] _3938=[[:, _proof3, _premise3], _kb, _rb, _k]
   Exit: (199) [system] [[:, _proof3, _premise3], _kb, _rb, _k]=[[:, _proof3, _premise3], _kb, _rb, _k]
^  Exit: (198) [user] read_list(')', (0x563acd73bee0), [[:, _proof3, _premise3], _kb, _rb, _k])
   Call: (198) [system] _3930=[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]
   Exit: (198) [system] [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]=[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]
^  Exit: (197) [user] read_list(')', (0x563acd73bee0), [synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
^  Exit: (196) [user] cont_sexpr(')', (0x563acd73bee0), [synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
^  Call: (196) [user] read_list(')', (0x563acd73bee0), _190380)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _192238)
   Exit: (198) [system] peek_char((0x563acd73bee0), ')')
   Call: (198) [system] ')'=(;)
   Fail: (198) [system] ')'=(;)
   Call: (198) [system] ')'=(/)
   Fail: (198) [system] ')'=(/)
^  Call: (198) [user] is_like_space(')')
   Call: (199) [system] char_type(')', 'white')
   Fail: (199) [system] char_type(')', 'white')
   Call: (199) [system] char_type(')', end_of_line)
   Fail: (199) [system] char_type(')', end_of_line)
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] char_type(')', cntrl)
   Fail: (199) [system] char_type(')', cntrl)
^  Fail: (198) [user] is_like_space(')')
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _208248)
   Exit: (197) [system] peek_char((0x563acd73bee0), ')')
   Call: (197) [system] ')'=')'
   Exit: (197) [system] ')'=')'
   Call: (197) [system] get_char((0x563acd73bee0), _212038)
   Exit: (197) [system] get_char((0x563acd73bee0), ')')
   Call: (197) [system] _190380=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_list(')', (0x563acd73bee0), [])
   Call: (196) [system] _3926=[[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]
   Exit: (196) [system] [[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]=[[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), [[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
   Call: (195) [system] _3892=[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]
   Exit: (195) [system] [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]=[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
^  Exit: (193) [user] cont_sexpr(')', (0x563acd73bee0), [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _223126)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _224984)
   Exit: (195) [system] peek_char((0x563acd73bee0), '\n')
   Call: (195) [system] '\n'=(;)
   Fail: (195) [system] '\n'=(;)
   Call: (195) [system] '\n'=(/)
   Fail: (195) [system] '\n'=(/)
^  Call: (195) [user] is_like_space('\n')
   Call: (196) [system] char_type('\n', 'white')
   Fail: (196) [system] char_type('\n', 'white')
   Call: (196) [system] char_type('\n', end_of_line)
   Exit: (196) [system] char_type('\n', end_of_line)
^  Exit: (195) [user] is_like_space('\n')
   Call: (195) [system] get_char((0x563acd73bee0), _236434)
   Exit: (195) [system] get_char((0x563acd73bee0), '\n')
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _239138)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x563acd73bee0), _248732)
   Exit: (196) [system] get_char((0x563acd73bee0), ' ')
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _251436)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x563acd73bee0), _261030)
   Exit: (197) [system] get_char((0x563acd73bee0), ' ')
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _263734)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x563acd73bee0), _273328)
   Exit: (198) [system] get_char((0x563acd73bee0), ' ')
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _276032)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x563acd73bee0), _285626)
   Exit: (199) [system] get_char((0x563acd73bee0), ' ')
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _288330)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x563acd73bee0), _297924)
   Exit: (200) [system] get_char((0x563acd73bee0), ' ')
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _300628)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _310222)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _312926)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x563acd73bee0), _322520)
   Exit: (202) [system] get_char((0x563acd73bee0), ' ')
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _325224)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x563acd73bee0), _334818)
   Exit: (203) [system] get_char((0x563acd73bee0), ' ')
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _337522)
   Exit: (204) [system] peek_char((0x563acd73bee0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x563acd73bee0), _347116)
   Exit: (204) [system] get_char((0x563acd73bee0), ' ')
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _349820)
   Exit: (205) [system] peek_char((0x563acd73bee0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x563acd73bee0), _359414)
   Exit: (205) [system] get_char((0x563acd73bee0), ' ')
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _362118)
   Exit: (206) [system] peek_char((0x563acd73bee0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _388292)
   Exit: (194) [system] peek_char((0x563acd73bee0), '(')
   Call: (194) [system] '('=')'
   Fail: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
   Fail: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x563acd73bee0), _393862)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _395720)
   Exit: (196) [system] peek_char((0x563acd73bee0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] get_char((0x563acd73bee0), _411730)
   Exit: (195) [system] get_char((0x563acd73bee0), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _393862)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _417300)
   Exit: (197) [system] peek_char((0x563acd73bee0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _433310)
   Exit: (196) [system] peek_char((0x563acd73bee0), '(')
   Call: (196) [system] '('=')'
   Fail: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
   Fail: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x563acd73bee0), _438880)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _440738)
   Exit: (198) [system] peek_char((0x563acd73bee0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] get_char((0x563acd73bee0), _456748)
   Exit: (197) [system] get_char((0x563acd73bee0), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _438880)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _462318)
   Exit: (199) [system] peek_char((0x563acd73bee0), :)
   Call: (199) [system] (:)=(;)
   Fail: (199) [system] (:)=(;)
   Call: (199) [system] (:)=(/)
   Fail: (199) [system] (:)=(/)
^  Call: (199) [user] is_like_space(:)
   Call: (200) [system] char_type(:, 'white')
   Fail: (200) [system] char_type(:, 'white')
   Call: (200) [system] char_type(:, end_of_line)
   Fail: (200) [system] char_type(:, end_of_line)
   Call: (200) [system] char_type(:, space)
   Fail: (200) [system] char_type(:, space)
   Call: (200) [system] char_type(:, cntrl)
   Fail: (200) [system] char_type(:, cntrl)
^  Fail: (199) [user] is_like_space(:)
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _478328)
   Exit: (198) [system] peek_char((0x563acd73bee0), :)
   Call: (198) [system] (:)=')'
   Fail: (198) [system] (:)=')'
   Call: (198) [system] (:)=end_of_file
   Fail: (198) [system] (:)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x563acd73bee0), _483898)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _485756)
   Exit: (200) [system] peek_char((0x563acd73bee0), :)
   Call: (200) [system] (:)=(;)
   Fail: (200) [system] (:)=(;)
   Call: (200) [system] (:)=(/)
   Fail: (200) [system] (:)=(/)
^  Call: (200) [user] is_like_space(:)
   Call: (201) [system] char_type(:, 'white')
   Fail: (201) [system] char_type(:, 'white')
   Call: (201) [system] char_type(:, end_of_line)
   Fail: (201) [system] char_type(:, end_of_line)
   Call: (201) [system] char_type(:, space)
   Fail: (201) [system] char_type(:, space)
   Call: (201) [system] char_type(:, cntrl)
   Fail: (201) [system] char_type(:, cntrl)
^  Fail: (200) [user] is_like_space(:)
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] get_char((0x563acd73bee0), _501766)
   Exit: (199) [system] get_char((0x563acd73bee0), :)
   Call: (199) [system] (:)='('
   Fail: (199) [system] (:)='('
   Call: (199) [system] (:)='['
   Fail: (199) [system] (:)='['
   Call: (199) [system] (:)='{'
   Fail: (199) [system] (:)='{'
   Call: (199) [system] (:)='"'
   Fail: (199) [system] (:)='"'
   Call: (199) [system] (:)=!
   Fail: (199) [system] (:)=!
   Call: (199) [system] (:)='\''
   Fail: (199) [system] (:)='\''
   Call: (199) [system] (:)='`'
   Fail: (199) [system] (:)='`'
   Call: (199) [system] (:)=end_of_file
   Fail: (199) [system] (:)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x563acd73bee0), :, _483898)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _519408)
   Call: (201) [system] peek_char((0x563acd73bee0), _520342)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (201) [user] is_delimiter(' ')
   Call: (202) [system] char_type(' ', space)
   Exit: (202) [system] char_type(' ', space)
^  Exit: (201) [user] is_delimiter(' ')
   Call: (201) [system] _519408=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (200) [user] classify_and_convert_charseq([:], _483898)
^  Call: (201) [user] classify_and_convert_charseq_([:], _529626)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_530578, _530580), once(user:catch(read_from_chars([:], _529626), _530560, fail)), '$restore_trace'(_530578, _530580))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_530578, _530580))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _530560, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(:)
   Exit: (202) [system] atomic(:)
^  Exit: (201) [user] classify_and_convert_charseq_([:], :)
   Call: (201) [system] integer(:)
   Fail: (201) [system] integer(:)
   Call: (201) [system] _483898=(:)
   Exit: (201) [system] (:)=(:)
^  Exit: (200) [user] classify_and_convert_charseq([:], :)
^  Exit: (199) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (198) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _542706)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _544564)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x563acd73bee0), _554158)
   Exit: (200) [system] get_char((0x563acd73bee0), ' ')
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _556862)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _573796)
   Exit: (199) [system] peek_char((0x563acd73bee0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x563acd73bee0), _579366)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _581224)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
   Call: (201) [system] ($)=(/)
   Fail: (201) [system] ($)=(/)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] get_char((0x563acd73bee0), _597234)
   Exit: (200) [system] get_char((0x563acd73bee0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x563acd73bee0), $, _579366)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _614876)
   Call: (202) [system] peek_char((0x563acd73bee0), _615810)
   Exit: (202) [system] peek_char((0x563acd73bee0), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Fail: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_620530, v('(', ')', end_of_file), p)
   Fail: (203) [system] arg(_621462, v('(', ')', end_of_file), p)
^  Fail: (202) [user] is_delimiter(p)
   Call: (202) [system] ')'==p
   Fail: (202) [system] ')'==p
   Call: (202) [system] get_char((0x563acd73bee0), p)
   Exit: (202) [system] get_char((0x563acd73bee0), p)
   Call: (202) [system] p=(\)
   Fail: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _628812)
   Call: (203) [system] peek_char((0x563acd73bee0), _629746)
   Exit: (203) [system] peek_char((0x563acd73bee0), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_634466, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_635398, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x563acd73bee0), r)
   Exit: (203) [system] get_char((0x563acd73bee0), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _642748)
   Call: (204) [system] peek_char((0x563acd73bee0), _643682)
   Exit: (204) [system] peek_char((0x563acd73bee0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_648402, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_649334, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x563acd73bee0), o)
   Exit: (204) [system] get_char((0x563acd73bee0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _656684)
   Call: (205) [system] peek_char((0x563acd73bee0), _657618)
   Exit: (205) [system] peek_char((0x563acd73bee0), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_662338, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_663270, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x563acd73bee0), o)
   Exit: (205) [system] get_char((0x563acd73bee0), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _670620)
   Call: (206) [system] peek_char((0x563acd73bee0), _671554)
   Exit: (206) [system] peek_char((0x563acd73bee0), f)
^  Call: (206) [user] is_delimiter(f)
   Call: (207) [system] char_type(f, space)
   Fail: (207) [system] char_type(f, space)
   Call: (207) [system] arg(_676274, v('(', ')', end_of_file), f)
   Fail: (207) [system] arg(_677206, v('(', ')', end_of_file), f)
^  Fail: (206) [user] is_delimiter(f)
   Call: (206) [system] ')'==f
   Fail: (206) [system] ')'==f
   Call: (206) [system] get_char((0x563acd73bee0), f)
   Exit: (206) [system] get_char((0x563acd73bee0), f)
   Call: (206) [system] f=(\)
   Fail: (206) [system] f=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _684556)
   Call: (207) [system] peek_char((0x563acd73bee0), _685490)
   Exit: (207) [system] peek_char((0x563acd73bee0), '4')
^  Call: (207) [user] is_delimiter('4')
   Call: (208) [system] char_type('4', space)
   Fail: (208) [system] char_type('4', space)
   Call: (208) [system] arg(_690210, v('(', ')', end_of_file), '4')
   Fail: (208) [system] arg(_691142, v('(', ')', end_of_file), '4')
^  Fail: (207) [user] is_delimiter('4')
   Call: (207) [system] ')'=='4'
   Fail: (207) [system] ')'=='4'
   Call: (207) [system] get_char((0x563acd73bee0), '4')
   Exit: (207) [system] get_char((0x563acd73bee0), '4')
   Call: (207) [system] '4'=(\)
   Fail: (207) [system] '4'=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _698492)
   Call: (208) [system] peek_char((0x563acd73bee0), _699426)
   Exit: (208) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _698492=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (207) [system] _684556=['4']
   Exit: (207) [system] ['4']=['4']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), ['4'])
   Call: (206) [system] _670620=[f, '4']
   Exit: (206) [system] [f, '4']=[f, '4']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [f, '4'])
   Call: (205) [system] _656684=[o, f, '4']
   Exit: (205) [system] [o, f, '4']=[o, f, '4']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, f, '4'])
   Call: (204) [system] _642748=[o, o, f, '4']
   Exit: (204) [system] [o, o, f, '4']=[o, o, f, '4']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, o, f, '4'])
   Call: (203) [system] _628812=[r, o, o, f, '4']
   Exit: (203) [system] [r, o, o, f, '4']=[r, o, o, f, '4']
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, o, f, '4'])
   Call: (202) [system] _614876=[p, r, o, o, f, '4']
   Exit: (202) [system] [p, r, o, o, f, '4']=[p, r, o, o, f, '4']
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, o, o, f, '4'])
^  Call: (201) [user] classify_and_convert_charseq([$, p, r, o, o, f, '4'], _579366)
^  Call: (202) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '4'], _725474)
   Call: (203) [system] atom_chars(_726406, ['_', p, r, o, o, f, '4'])
   Exit: (203) [system] atom_chars('_proof4', ['_', p, r, o, o, f, '4'])
^  Exit: (202) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '4'], _proof4)
   Call: (202) [system] integer(_proof4)
   Fail: (202) [system] integer(_proof4)
   Call: (202) [system] _579366=_proof4
   Exit: (202) [system] _proof4=_proof4
^  Exit: (201) [user] classify_and_convert_charseq([$, p, r, o, o, f, '4'], _proof4)
^  Exit: (200) [user] read_symbolic(')', (0x563acd73bee0), $, _proof4)
^  Exit: (199) [user] cont_sexpr(')', (0x563acd73bee0), _proof4)
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _735698)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _737556)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _747150)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _749854)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _766788)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x563acd73bee0), _772358)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _774216)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] get_char((0x563acd73bee0), _790226)
   Exit: (201) [system] get_char((0x563acd73bee0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x563acd73bee0), $, _772358)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _807868)
   Call: (203) [system] peek_char((0x563acd73bee0), _808802)
   Exit: (203) [system] peek_char((0x563acd73bee0), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Fail: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_813522, v('(', ')', end_of_file), p)
   Fail: (204) [system] arg(_814454, v('(', ')', end_of_file), p)
^  Fail: (203) [user] is_delimiter(p)
   Call: (203) [system] ')'==p
   Fail: (203) [system] ')'==p
   Call: (203) [system] get_char((0x563acd73bee0), p)
   Exit: (203) [system] get_char((0x563acd73bee0), p)
   Call: (203) [system] p=(\)
   Fail: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _821804)
   Call: (204) [system] peek_char((0x563acd73bee0), _822738)
   Exit: (204) [system] peek_char((0x563acd73bee0), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_827458, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_828390, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x563acd73bee0), r)
   Exit: (204) [system] get_char((0x563acd73bee0), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _835740)
   Call: (205) [system] peek_char((0x563acd73bee0), _836674)
   Exit: (205) [system] peek_char((0x563acd73bee0), e)
^  Call: (205) [user] is_delimiter(e)
   Call: (206) [system] char_type(e, space)
   Fail: (206) [system] char_type(e, space)
   Call: (206) [system] arg(_841394, v('(', ')', end_of_file), e)
   Fail: (206) [system] arg(_842326, v('(', ')', end_of_file), e)
^  Fail: (205) [user] is_delimiter(e)
   Call: (205) [system] ')'==e
   Fail: (205) [system] ')'==e
   Call: (205) [system] get_char((0x563acd73bee0), e)
   Exit: (205) [system] get_char((0x563acd73bee0), e)
   Call: (205) [system] e=(\)
   Fail: (205) [system] e=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _849676)
   Call: (206) [system] peek_char((0x563acd73bee0), _850610)
   Exit: (206) [system] peek_char((0x563acd73bee0), m)
^  Call: (206) [user] is_delimiter(m)
   Call: (207) [system] char_type(m, space)
   Fail: (207) [system] char_type(m, space)
   Call: (207) [system] arg(_855330, v('(', ')', end_of_file), m)
   Fail: (207) [system] arg(_856262, v('(', ')', end_of_file), m)
^  Fail: (206) [user] is_delimiter(m)
   Call: (206) [system] ')'==m
   Fail: (206) [system] ')'==m
   Call: (206) [system] get_char((0x563acd73bee0), m)
   Exit: (206) [system] get_char((0x563acd73bee0), m)
   Call: (206) [system] m=(\)
   Fail: (206) [system] m=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _863612)
   Call: (207) [system] peek_char((0x563acd73bee0), _864546)
   Exit: (207) [system] peek_char((0x563acd73bee0), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Fail: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_869266, v('(', ')', end_of_file), i)
   Fail: (208) [system] arg(_870198, v('(', ')', end_of_file), i)
^  Fail: (207) [user] is_delimiter(i)
   Call: (207) [system] ')'==i
   Fail: (207) [system] ')'==i
   Call: (207) [system] get_char((0x563acd73bee0), i)
   Exit: (207) [system] get_char((0x563acd73bee0), i)
   Call: (207) [system] i=(\)
   Fail: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _877548)
   Call: (208) [system] peek_char((0x563acd73bee0), _878482)
   Exit: (208) [system] peek_char((0x563acd73bee0), s)
^  Call: (208) [user] is_delimiter(s)
   Call: (209) [system] char_type(s, space)
   Fail: (209) [system] char_type(s, space)
   Call: (209) [system] arg(_883202, v('(', ')', end_of_file), s)
   Fail: (209) [system] arg(_884134, v('(', ')', end_of_file), s)
^  Fail: (208) [user] is_delimiter(s)
   Call: (208) [system] ')'==s
   Fail: (208) [system] ')'==s
   Call: (208) [system] get_char((0x563acd73bee0), s)
   Exit: (208) [system] get_char((0x563acd73bee0), s)
   Call: (208) [system] s=(\)
   Fail: (208) [system] s=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _891484)
   Call: (209) [system] peek_char((0x563acd73bee0), _892418)
   Exit: (209) [system] peek_char((0x563acd73bee0), e)
^  Call: (209) [user] is_delimiter(e)
   Call: (210) [system] char_type(e, space)
   Fail: (210) [system] char_type(e, space)
   Call: (210) [system] arg(_897138, v('(', ')', end_of_file), e)
   Fail: (210) [system] arg(_898070, v('(', ')', end_of_file), e)
^  Fail: (209) [user] is_delimiter(e)
   Call: (209) [system] ')'==e
   Fail: (209) [system] ')'==e
   Call: (209) [system] get_char((0x563acd73bee0), e)
   Exit: (209) [system] get_char((0x563acd73bee0), e)
   Call: (209) [system] e=(\)
   Fail: (209) [system] e=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _905420)
   Call: (210) [system] peek_char((0x563acd73bee0), _906354)
   Exit: (210) [system] peek_char((0x563acd73bee0), '4')
^  Call: (210) [user] is_delimiter('4')
   Call: (211) [system] char_type('4', space)
   Fail: (211) [system] char_type('4', space)
   Call: (211) [system] arg(_911074, v('(', ')', end_of_file), '4')
   Fail: (211) [system] arg(_912006, v('(', ')', end_of_file), '4')
^  Fail: (210) [user] is_delimiter('4')
   Call: (210) [system] ')'=='4'
   Fail: (210) [system] ')'=='4'
   Call: (210) [system] get_char((0x563acd73bee0), '4')
   Exit: (210) [system] get_char((0x563acd73bee0), '4')
   Call: (210) [system] '4'=(\)
   Fail: (210) [system] '4'=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _919356)
   Call: (211) [system] peek_char((0x563acd73bee0), _920290)
   Exit: (211) [system] peek_char((0x563acd73bee0), ')')
^  Call: (211) [user] is_delimiter(')')
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] arg(_925010, v('(', ')', end_of_file), ')')
   Exit: (212) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (211) [user] is_delimiter(')')
   Call: (211) [system] _919356=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (210) [system] _905420=['4']
   Exit: (210) [system] ['4']=['4']
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), ['4'])
   Call: (209) [system] _891484=[e, '4']
   Exit: (209) [system] [e, '4']=[e, '4']
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, '4'])
   Call: (208) [system] _877548=[s, e, '4']
   Exit: (208) [system] [s, e, '4']=[s, e, '4']
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, e, '4'])
   Call: (207) [system] _863612=[i, s, e, '4']
   Exit: (207) [system] [i, s, e, '4']=[i, s, e, '4']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, e, '4'])
   Call: (206) [system] _849676=[m, i, s, e, '4']
   Exit: (206) [system] [m, i, s, e, '4']=[m, i, s, e, '4']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, i, s, e, '4'])
   Call: (205) [system] _835740=[e, m, i, s, e, '4']
   Exit: (205) [system] [e, m, i, s, e, '4']=[e, m, i, s, e, '4']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, m, i, s, e, '4'])
   Call: (204) [system] _821804=[r, e, m, i, s, e, '4']
   Exit: (204) [system] [r, e, m, i, s, e, '4']=[r, e, m, i, s, e, '4']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, e, m, i, s, e, '4'])
   Call: (203) [system] _807868=[p, r, e, m, i, s, e, '4']
   Exit: (203) [system] [p, r, e, m, i, s, e, '4']=[p, r, e, m, i, s, e, '4']
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, e, m, i, s, e, '4'])
^  Call: (202) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '4'], _772358)
^  Call: (203) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '4'], _953798)
   Call: (204) [system] atom_chars(_954730, ['_', p, r, e, m, i, s, e, '4'])
   Exit: (204) [system] atom_chars('_premise4', ['_', p, r, e, m, i, s, e, '4'])
^  Exit: (203) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '4'], _premise4)
   Call: (203) [system] integer(_premise4)
   Fail: (203) [system] integer(_premise4)
   Call: (203) [system] _772358=_premise4
   Exit: (203) [system] _premise4=_premise4
^  Exit: (202) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '4'], _premise4)
^  Exit: (201) [user] read_symbolic(')', (0x563acd73bee0), $, _premise4)
^  Exit: (200) [user] cont_sexpr(')', (0x563acd73bee0), _premise4)
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _964022)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _965880)
   Exit: (202) [system] peek_char((0x563acd73bee0), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
   Call: (202) [system] ')'=(/)
   Fail: (202) [system] ')'=(/)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _981890)
   Exit: (201) [system] peek_char((0x563acd73bee0), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x563acd73bee0), _985680)
   Exit: (201) [system] get_char((0x563acd73bee0), ')')
   Call: (201) [system] _964022=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), [])
   Call: (200) [system] _735698=[_premise4]
   Exit: (200) [system] [_premise4]=[_premise4]
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), [_premise4])
   Call: (199) [system] _542706=[_proof4, _premise4]
   Exit: (199) [system] [_proof4, _premise4]=[_proof4, _premise4]
^  Exit: (198) [user] read_list(')', (0x563acd73bee0), [_proof4, _premise4])
   Call: (198) [system] _438880=[:, _proof4, _premise4]
   Exit: (198) [system] [:, _proof4, _premise4]=[:, _proof4, _premise4]
^  Exit: (197) [user] read_list(')', (0x563acd73bee0), [:, _proof4, _premise4])
^  Exit: (196) [user] cont_sexpr(')', (0x563acd73bee0), [:, _proof4, _premise4])
^  Call: (196) [user] read_list(')', (0x563acd73bee0), _999562)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1001420)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x563acd73bee0), _1011014)
   Exit: (198) [system] get_char((0x563acd73bee0), ' ')
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1013718)
   Exit: (199) [system] peek_char((0x563acd73bee0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1030652)
   Exit: (197) [system] peek_char((0x563acd73bee0), '(')
   Call: (197) [system] '('=')'
   Fail: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
   Fail: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x563acd73bee0), _1036222)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1038080)
   Exit: (199) [system] peek_char((0x563acd73bee0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] get_char((0x563acd73bee0), _1054090)
   Exit: (198) [system] get_char((0x563acd73bee0), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _1036222)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1059660)
   Exit: (200) [system] peek_char((0x563acd73bee0), s)
   Call: (200) [system] s=(;)
   Fail: (200) [system] s=(;)
   Call: (200) [system] s=(/)
   Fail: (200) [system] s=(/)
^  Call: (200) [user] is_like_space(s)
   Call: (201) [system] char_type(s, 'white')
   Fail: (201) [system] char_type(s, 'white')
   Call: (201) [system] char_type(s, end_of_line)
   Fail: (201) [system] char_type(s, end_of_line)
   Call: (201) [system] char_type(s, space)
   Fail: (201) [system] char_type(s, space)
   Call: (201) [system] char_type(s, cntrl)
   Fail: (201) [system] char_type(s, cntrl)
^  Fail: (200) [user] is_like_space(s)
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1075670)
   Exit: (199) [system] peek_char((0x563acd73bee0), s)
   Call: (199) [system] s=')'
   Fail: (199) [system] s=')'
   Call: (199) [system] s=end_of_file
   Fail: (199) [system] s=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x563acd73bee0), _1081240)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1083098)
   Exit: (201) [system] peek_char((0x563acd73bee0), s)
   Call: (201) [system] s=(;)
   Fail: (201) [system] s=(;)
   Call: (201) [system] s=(/)
   Fail: (201) [system] s=(/)
^  Call: (201) [user] is_like_space(s)
   Call: (202) [system] char_type(s, 'white')
   Fail: (202) [system] char_type(s, 'white')
   Call: (202) [system] char_type(s, end_of_line)
   Fail: (202) [system] char_type(s, end_of_line)
   Call: (202) [system] char_type(s, space)
   Fail: (202) [system] char_type(s, space)
   Call: (202) [system] char_type(s, cntrl)
   Fail: (202) [system] char_type(s, cntrl)
^  Fail: (201) [user] is_like_space(s)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] get_char((0x563acd73bee0), _1099108)
   Exit: (200) [system] get_char((0x563acd73bee0), s)
   Call: (200) [system] s='('
   Fail: (200) [system] s='('
   Call: (200) [system] s='['
   Fail: (200) [system] s='['
   Call: (200) [system] s='{'
   Fail: (200) [system] s='{'
   Call: (200) [system] s='"'
   Fail: (200) [system] s='"'
   Call: (200) [system] s=!
   Fail: (200) [system] s=!
   Call: (200) [system] s='\''
   Fail: (200) [system] s='\''
   Call: (200) [system] s='`'
   Fail: (200) [system] s='`'
   Call: (200) [system] s=end_of_file
   Fail: (200) [system] s=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x563acd73bee0), s, _1081240)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _1116750)
   Call: (202) [system] peek_char((0x563acd73bee0), _1117684)
   Exit: (202) [system] peek_char((0x563acd73bee0), y)
^  Call: (202) [user] is_delimiter(y)
   Call: (203) [system] char_type(y, space)
   Fail: (203) [system] char_type(y, space)
   Call: (203) [system] arg(_1122404, v('(', ')', end_of_file), y)
   Fail: (203) [system] arg(_1123336, v('(', ')', end_of_file), y)
^  Fail: (202) [user] is_delimiter(y)
   Call: (202) [system] ')'==y
   Fail: (202) [system] ')'==y
   Call: (202) [system] get_char((0x563acd73bee0), y)
   Exit: (202) [system] get_char((0x563acd73bee0), y)
   Call: (202) [system] y=(\)
   Fail: (202) [system] y=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1130686)
   Call: (203) [system] peek_char((0x563acd73bee0), _1131620)
   Exit: (203) [system] peek_char((0x563acd73bee0), n)
^  Call: (203) [user] is_delimiter(n)
   Call: (204) [system] char_type(n, space)
   Fail: (204) [system] char_type(n, space)
   Call: (204) [system] arg(_1136340, v('(', ')', end_of_file), n)
   Fail: (204) [system] arg(_1137272, v('(', ')', end_of_file), n)
^  Fail: (203) [user] is_delimiter(n)
   Call: (203) [system] ')'==n
   Fail: (203) [system] ')'==n
   Call: (203) [system] get_char((0x563acd73bee0), n)
   Exit: (203) [system] get_char((0x563acd73bee0), n)
   Call: (203) [system] n=(\)
   Fail: (203) [system] n=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1144622)
   Call: (204) [system] peek_char((0x563acd73bee0), _1145556)
   Exit: (204) [system] peek_char((0x563acd73bee0), t)
^  Call: (204) [user] is_delimiter(t)
   Call: (205) [system] char_type(t, space)
   Fail: (205) [system] char_type(t, space)
   Call: (205) [system] arg(_1150276, v('(', ')', end_of_file), t)
   Fail: (205) [system] arg(_1151208, v('(', ')', end_of_file), t)
^  Fail: (204) [user] is_delimiter(t)
   Call: (204) [system] ')'==t
   Fail: (204) [system] ')'==t
   Call: (204) [system] get_char((0x563acd73bee0), t)
   Exit: (204) [system] get_char((0x563acd73bee0), t)
   Call: (204) [system] t=(\)
   Fail: (204) [system] t=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1158558)
   Call: (205) [system] peek_char((0x563acd73bee0), _1159492)
   Exit: (205) [system] peek_char((0x563acd73bee0), h)
^  Call: (205) [user] is_delimiter(h)
   Call: (206) [system] char_type(h, space)
   Fail: (206) [system] char_type(h, space)
   Call: (206) [system] arg(_1164212, v('(', ')', end_of_file), h)
   Fail: (206) [system] arg(_1165144, v('(', ')', end_of_file), h)
^  Fail: (205) [user] is_delimiter(h)
   Call: (205) [system] ')'==h
   Fail: (205) [system] ')'==h
   Call: (205) [system] get_char((0x563acd73bee0), h)
   Exit: (205) [system] get_char((0x563acd73bee0), h)
   Call: (205) [system] h=(\)
   Fail: (205) [system] h=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1172494)
   Call: (206) [system] peek_char((0x563acd73bee0), _1173428)
   Exit: (206) [system] peek_char((0x563acd73bee0), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Fail: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_1178148, v('(', ')', end_of_file), e)
   Fail: (207) [system] arg(_1179080, v('(', ')', end_of_file), e)
^  Fail: (206) [user] is_delimiter(e)
   Call: (206) [system] ')'==e
   Fail: (206) [system] ')'==e
   Call: (206) [system] get_char((0x563acd73bee0), e)
   Exit: (206) [system] get_char((0x563acd73bee0), e)
   Call: (206) [system] e=(\)
   Fail: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1186430)
   Call: (207) [system] peek_char((0x563acd73bee0), _1187364)
   Exit: (207) [system] peek_char((0x563acd73bee0), s)
^  Call: (207) [user] is_delimiter(s)
   Call: (208) [system] char_type(s, space)
   Fail: (208) [system] char_type(s, space)
   Call: (208) [system] arg(_1192084, v('(', ')', end_of_file), s)
   Fail: (208) [system] arg(_1193016, v('(', ')', end_of_file), s)
^  Fail: (207) [user] is_delimiter(s)
   Call: (207) [system] ')'==s
   Fail: (207) [system] ')'==s
   Call: (207) [system] get_char((0x563acd73bee0), s)
   Exit: (207) [system] get_char((0x563acd73bee0), s)
   Call: (207) [system] s=(\)
   Fail: (207) [system] s=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1200366)
   Call: (208) [system] peek_char((0x563acd73bee0), _1201300)
   Exit: (208) [system] peek_char((0x563acd73bee0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_1206020, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_1206952, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x563acd73bee0), i)
   Exit: (208) [system] get_char((0x563acd73bee0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1214302)
   Call: (209) [system] peek_char((0x563acd73bee0), _1215236)
   Exit: (209) [system] peek_char((0x563acd73bee0), z)
^  Call: (209) [user] is_delimiter(z)
   Call: (210) [system] char_type(z, space)
   Fail: (210) [system] char_type(z, space)
   Call: (210) [system] arg(_1219956, v('(', ')', end_of_file), z)
   Fail: (210) [system] arg(_1220888, v('(', ')', end_of_file), z)
^  Fail: (209) [user] is_delimiter(z)
   Call: (209) [system] ')'==z
   Fail: (209) [system] ')'==z
   Call: (209) [system] get_char((0x563acd73bee0), z)
   Exit: (209) [system] get_char((0x563acd73bee0), z)
   Call: (209) [system] z=(\)
   Fail: (209) [system] z=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1228238)
   Call: (210) [system] peek_char((0x563acd73bee0), _1229172)
   Exit: (210) [system] peek_char((0x563acd73bee0), e)
^  Call: (210) [user] is_delimiter(e)
   Call: (211) [system] char_type(e, space)
   Fail: (211) [system] char_type(e, space)
   Call: (211) [system] arg(_1233892, v('(', ')', end_of_file), e)
   Fail: (211) [system] arg(_1234824, v('(', ')', end_of_file), e)
^  Fail: (210) [user] is_delimiter(e)
   Call: (210) [system] ')'==e
   Fail: (210) [system] ')'==e
   Call: (210) [system] get_char((0x563acd73bee0), e)
   Exit: (210) [system] get_char((0x563acd73bee0), e)
   Call: (210) [system] e=(\)
   Fail: (210) [system] e=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1242174)
   Call: (211) [system] peek_char((0x563acd73bee0), _1243108)
   Exit: (211) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _1242174=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (210) [system] _1228238=[e]
   Exit: (210) [system] [e]=[e]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [e])
   Call: (209) [system] _1214302=[z, e]
   Exit: (209) [system] [z, e]=[z, e]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [z, e])
   Call: (208) [system] _1200366=[i, z, e]
   Exit: (208) [system] [i, z, e]=[i, z, e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, z, e])
   Call: (207) [system] _1186430=[s, i, z, e]
   Exit: (207) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, i, z, e])
   Call: (206) [system] _1172494=[e, s, i, z, e]
   Exit: (206) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, s, i, z, e])
   Call: (205) [system] _1158558=[h, e, s, i, z, e]
   Exit: (205) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [h, e, s, i, z, e])
   Call: (204) [system] _1144622=[t, h, e, s, i, z, e]
   Exit: (204) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, h, e, s, i, z, e])
   Call: (203) [system] _1130686=[n, t, h, e, s, i, z, e]
   Exit: (203) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, h, e, s, i, z, e])
   Call: (202) [system] _1116750=[y, n, t, h, e, s, i, z, e]
   Exit: (202) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [y, n, t, h, e, s, i, z, e])
^  Call: (201) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _1081240)
^  Call: (202) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _1277538)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_1278490, _1278492), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _1277538), _1278472, fail)), '$restore_trace'(_1278490, _1278492))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_1278490, _1278492))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _1278472, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(synthesize)
   Exit: (203) [system] atomic(synthesize)
^  Exit: (202) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (202) [system] integer(synthesize)
   Fail: (202) [system] integer(synthesize)
   Call: (202) [system] _1081240=synthesize
   Exit: (202) [system] synthesize=synthesize
^  Exit: (201) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (200) [user] read_symbolic(')', (0x563acd73bee0), s, synthesize)
^  Exit: (199) [user] cont_sexpr(')', (0x563acd73bee0), synthesize)
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _1290618)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1292476)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _1302070)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1304774)
   Exit: (202) [system] peek_char((0x563acd73bee0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1321708)
   Exit: (200) [system] peek_char((0x563acd73bee0), '(')
   Call: (200) [system] '('=')'
   Fail: (200) [system] '('=')'
   Call: (200) [system] '('=end_of_file
   Fail: (200) [system] '('=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x563acd73bee0), _1327278)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1329136)
   Exit: (202) [system] peek_char((0x563acd73bee0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] get_char((0x563acd73bee0), _1345146)
   Exit: (201) [system] get_char((0x563acd73bee0), '(')
   Call: (201) [system] '('='('
   Exit: (201) [system] '('='('
^  Call: (201) [user] read_list(')', (0x563acd73bee0), _1327278)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1350716)
   Exit: (203) [system] peek_char((0x563acd73bee0), :)
   Call: (203) [system] (:)=(;)
   Fail: (203) [system] (:)=(;)
   Call: (203) [system] (:)=(/)
   Fail: (203) [system] (:)=(/)
^  Call: (203) [user] is_like_space(:)
   Call: (204) [system] char_type(:, 'white')
   Fail: (204) [system] char_type(:, 'white')
   Call: (204) [system] char_type(:, end_of_line)
   Fail: (204) [system] char_type(:, end_of_line)
   Call: (204) [system] char_type(:, space)
   Fail: (204) [system] char_type(:, space)
   Call: (204) [system] char_type(:, cntrl)
   Fail: (204) [system] char_type(:, cntrl)
^  Fail: (203) [user] is_like_space(:)
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1366726)
   Exit: (202) [system] peek_char((0x563acd73bee0), :)
   Call: (202) [system] (:)=')'
   Fail: (202) [system] (:)=')'
   Call: (202) [system] (:)=end_of_file
   Fail: (202) [system] (:)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x563acd73bee0), _1372296)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1374154)
   Exit: (204) [system] peek_char((0x563acd73bee0), :)
   Call: (204) [system] (:)=(;)
   Fail: (204) [system] (:)=(;)
   Call: (204) [system] (:)=(/)
   Fail: (204) [system] (:)=(/)
^  Call: (204) [user] is_like_space(:)
   Call: (205) [system] char_type(:, 'white')
   Fail: (205) [system] char_type(:, 'white')
   Call: (205) [system] char_type(:, end_of_line)
   Fail: (205) [system] char_type(:, end_of_line)
   Call: (205) [system] char_type(:, space)
   Fail: (205) [system] char_type(:, space)
   Call: (205) [system] char_type(:, cntrl)
   Fail: (205) [system] char_type(:, cntrl)
^  Fail: (204) [user] is_like_space(:)
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] get_char((0x563acd73bee0), _1390164)
   Exit: (203) [system] get_char((0x563acd73bee0), :)
   Call: (203) [system] (:)='('
   Fail: (203) [system] (:)='('
   Call: (203) [system] (:)='['
   Fail: (203) [system] (:)='['
   Call: (203) [system] (:)='{'
   Fail: (203) [system] (:)='{'
   Call: (203) [system] (:)='"'
   Fail: (203) [system] (:)='"'
   Call: (203) [system] (:)=!
   Fail: (203) [system] (:)=!
   Call: (203) [system] (:)='\''
   Fail: (203) [system] (:)='\''
   Call: (203) [system] (:)='`'
   Fail: (203) [system] (:)='`'
   Call: (203) [system] (:)=end_of_file
   Fail: (203) [system] (:)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x563acd73bee0), :, _1372296)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1407806)
   Call: (205) [system] peek_char((0x563acd73bee0), _1408740)
   Exit: (205) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _1407806=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (204) [user] classify_and_convert_charseq([:], _1372296)
^  Call: (205) [user] classify_and_convert_charseq_([:], _1418024)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_1418976, _1418978), once(user:catch(read_from_chars([:], _1418024), _1418958, fail)), '$restore_trace'(_1418976, _1418978))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_1418976, _1418978))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1418958, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(:)
   Exit: (206) [system] atomic(:)
^  Exit: (205) [user] classify_and_convert_charseq_([:], :)
   Call: (205) [system] integer(:)
   Fail: (205) [system] integer(:)
   Call: (205) [system] _1372296=(:)
   Exit: (205) [system] (:)=(:)
^  Exit: (204) [user] classify_and_convert_charseq([:], :)
^  Exit: (203) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (202) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (202) [user] read_list(')', (0x563acd73bee0), _1431104)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1432962)
   Exit: (204) [system] peek_char((0x563acd73bee0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x563acd73bee0), _1442556)
   Exit: (204) [system] get_char((0x563acd73bee0), ' ')
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1445260)
   Exit: (205) [system] peek_char((0x563acd73bee0), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
   Call: (205) [system] ($)=(/)
   Fail: (205) [system] ($)=(/)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1462194)
   Exit: (203) [system] peek_char((0x563acd73bee0), $)
   Call: (203) [system] ($)=')'
   Fail: (203) [system] ($)=')'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x563acd73bee0), _1467764)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1469622)
   Exit: (205) [system] peek_char((0x563acd73bee0), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
   Call: (205) [system] ($)=(/)
   Fail: (205) [system] ($)=(/)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] get_char((0x563acd73bee0), _1485632)
   Exit: (204) [system] get_char((0x563acd73bee0), $)
   Call: (204) [system] ($)='('
   Fail: (204) [system] ($)='('
   Call: (204) [system] ($)='['
   Fail: (204) [system] ($)='['
   Call: (204) [system] ($)='{'
   Fail: (204) [system] ($)='{'
   Call: (204) [system] ($)='"'
   Fail: (204) [system] ($)='"'
   Call: (204) [system] ($)=!
   Fail: (204) [system] ($)=!
   Call: (204) [system] ($)='\''
   Fail: (204) [system] ($)='\''
   Call: (204) [system] ($)='`'
   Fail: (204) [system] ($)='`'
   Call: (204) [system] ($)=end_of_file
   Fail: (204) [system] ($)=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x563acd73bee0), $, _1467764)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1503274)
   Call: (206) [system] peek_char((0x563acd73bee0), _1504208)
   Exit: (206) [system] peek_char((0x563acd73bee0), p)
^  Call: (206) [user] is_delimiter(p)
   Call: (207) [system] char_type(p, space)
   Fail: (207) [system] char_type(p, space)
   Call: (207) [system] arg(_1508928, v('(', ')', end_of_file), p)
   Fail: (207) [system] arg(_1509860, v('(', ')', end_of_file), p)
^  Fail: (206) [user] is_delimiter(p)
   Call: (206) [system] ')'==p
   Fail: (206) [system] ')'==p
   Call: (206) [system] get_char((0x563acd73bee0), p)
   Exit: (206) [system] get_char((0x563acd73bee0), p)
   Call: (206) [system] p=(\)
   Fail: (206) [system] p=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1517210)
   Call: (207) [system] peek_char((0x563acd73bee0), _1518144)
   Exit: (207) [system] peek_char((0x563acd73bee0), r)
^  Call: (207) [user] is_delimiter(r)
   Call: (208) [system] char_type(r, space)
   Fail: (208) [system] char_type(r, space)
   Call: (208) [system] arg(_1522864, v('(', ')', end_of_file), r)
   Fail: (208) [system] arg(_1523796, v('(', ')', end_of_file), r)
^  Fail: (207) [user] is_delimiter(r)
   Call: (207) [system] ')'==r
   Fail: (207) [system] ')'==r
   Call: (207) [system] get_char((0x563acd73bee0), r)
   Exit: (207) [system] get_char((0x563acd73bee0), r)
   Call: (207) [system] r=(\)
   Fail: (207) [system] r=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1531146)
   Call: (208) [system] peek_char((0x563acd73bee0), _1532080)
   Exit: (208) [system] peek_char((0x563acd73bee0), o)
^  Call: (208) [user] is_delimiter(o)
   Call: (209) [system] char_type(o, space)
   Fail: (209) [system] char_type(o, space)
   Call: (209) [system] arg(_1536800, v('(', ')', end_of_file), o)
   Fail: (209) [system] arg(_1537732, v('(', ')', end_of_file), o)
^  Fail: (208) [user] is_delimiter(o)
   Call: (208) [system] ')'==o
   Fail: (208) [system] ')'==o
   Call: (208) [system] get_char((0x563acd73bee0), o)
   Exit: (208) [system] get_char((0x563acd73bee0), o)
   Call: (208) [system] o=(\)
   Fail: (208) [system] o=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1545082)
   Call: (209) [system] peek_char((0x563acd73bee0), _1546016)
   Exit: (209) [system] peek_char((0x563acd73bee0), o)
^  Call: (209) [user] is_delimiter(o)
   Call: (210) [system] char_type(o, space)
   Fail: (210) [system] char_type(o, space)
   Call: (210) [system] arg(_1550736, v('(', ')', end_of_file), o)
   Fail: (210) [system] arg(_1551668, v('(', ')', end_of_file), o)
^  Fail: (209) [user] is_delimiter(o)
   Call: (209) [system] ')'==o
   Fail: (209) [system] ')'==o
   Call: (209) [system] get_char((0x563acd73bee0), o)
   Exit: (209) [system] get_char((0x563acd73bee0), o)
   Call: (209) [system] o=(\)
   Fail: (209) [system] o=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1559018)
   Call: (210) [system] peek_char((0x563acd73bee0), _1559952)
   Exit: (210) [system] peek_char((0x563acd73bee0), f)
^  Call: (210) [user] is_delimiter(f)
   Call: (211) [system] char_type(f, space)
   Fail: (211) [system] char_type(f, space)
   Call: (211) [system] arg(_1564672, v('(', ')', end_of_file), f)
   Fail: (211) [system] arg(_1565604, v('(', ')', end_of_file), f)
^  Fail: (210) [user] is_delimiter(f)
   Call: (210) [system] ')'==f
   Fail: (210) [system] ')'==f
   Call: (210) [system] get_char((0x563acd73bee0), f)
   Exit: (210) [system] get_char((0x563acd73bee0), f)
   Call: (210) [system] f=(\)
   Fail: (210) [system] f=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1572954)
   Call: (211) [system] peek_char((0x563acd73bee0), _1573888)
   Exit: (211) [system] peek_char((0x563acd73bee0), '4')
^  Call: (211) [user] is_delimiter('4')
   Call: (212) [system] char_type('4', space)
   Fail: (212) [system] char_type('4', space)
   Call: (212) [system] arg(_1578608, v('(', ')', end_of_file), '4')
   Fail: (212) [system] arg(_1579540, v('(', ')', end_of_file), '4')
^  Fail: (211) [user] is_delimiter('4')
   Call: (211) [system] ')'=='4'
   Fail: (211) [system] ')'=='4'
   Call: (211) [system] get_char((0x563acd73bee0), '4')
   Exit: (211) [system] get_char((0x563acd73bee0), '4')
   Call: (211) [system] '4'=(\)
   Fail: (211) [system] '4'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1586890)
   Call: (212) [system] peek_char((0x563acd73bee0), _1587824)
   Exit: (212) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _1586890=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (211) [system] _1572954=['4']
   Exit: (211) [system] ['4']=['4']
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), ['4'])
   Call: (210) [system] _1559018=[f, '4']
   Exit: (210) [system] [f, '4']=[f, '4']
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [f, '4'])
   Call: (209) [system] _1545082=[o, f, '4']
   Exit: (209) [system] [o, f, '4']=[o, f, '4']
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, f, '4'])
   Call: (208) [system] _1531146=[o, o, f, '4']
   Exit: (208) [system] [o, o, f, '4']=[o, o, f, '4']
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, o, f, '4'])
   Call: (207) [system] _1517210=[r, o, o, f, '4']
   Exit: (207) [system] [r, o, o, f, '4']=[r, o, o, f, '4']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, o, f, '4'])
   Call: (206) [system] _1503274=[p, r, o, o, f, '4']
   Exit: (206) [system] [p, r, o, o, f, '4']=[p, r, o, o, f, '4']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, o, o, f, '4'])
^  Call: (205) [user] classify_and_convert_charseq([$, p, r, o, o, f, '4'], _1467764)
^  Call: (206) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '4'], _1613872)
   Call: (207) [system] atom_chars(_1614804, ['_', p, r, o, o, f, '4'])
   Exit: (207) [system] atom_chars('_proof4', ['_', p, r, o, o, f, '4'])
^  Exit: (206) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '4'], _proof4)
   Call: (206) [system] integer(_proof4)
   Fail: (206) [system] integer(_proof4)
   Call: (206) [system] _1467764=_proof4
   Exit: (206) [system] _proof4=_proof4
^  Exit: (205) [user] classify_and_convert_charseq([$, p, r, o, o, f, '4'], _proof4)
^  Exit: (204) [user] read_symbolic(')', (0x563acd73bee0), $, _proof4)
^  Exit: (203) [user] cont_sexpr(')', (0x563acd73bee0), _proof4)
^  Call: (203) [user] read_list(')', (0x563acd73bee0), _1624096)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1625954)
   Exit: (205) [system] peek_char((0x563acd73bee0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x563acd73bee0), _1635548)
   Exit: (205) [system] get_char((0x563acd73bee0), ' ')
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1638252)
   Exit: (206) [system] peek_char((0x563acd73bee0), $)
   Call: (206) [system] ($)=(;)
   Fail: (206) [system] ($)=(;)
   Call: (206) [system] ($)=(/)
   Fail: (206) [system] ($)=(/)
^  Call: (206) [user] is_like_space($)
   Call: (207) [system] char_type($, 'white')
   Fail: (207) [system] char_type($, 'white')
   Call: (207) [system] char_type($, end_of_line)
   Fail: (207) [system] char_type($, end_of_line)
   Call: (207) [system] char_type($, space)
   Fail: (207) [system] char_type($, space)
   Call: (207) [system] char_type($, cntrl)
   Fail: (207) [system] char_type($, cntrl)
^  Fail: (206) [user] is_like_space($)
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1655186)
   Exit: (204) [system] peek_char((0x563acd73bee0), $)
   Call: (204) [system] ($)=')'
   Fail: (204) [system] ($)=')'
   Call: (204) [system] ($)=end_of_file
   Fail: (204) [system] ($)=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x563acd73bee0), _1660756)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1662614)
   Exit: (206) [system] peek_char((0x563acd73bee0), $)
   Call: (206) [system] ($)=(;)
   Fail: (206) [system] ($)=(;)
   Call: (206) [system] ($)=(/)
   Fail: (206) [system] ($)=(/)
^  Call: (206) [user] is_like_space($)
   Call: (207) [system] char_type($, 'white')
   Fail: (207) [system] char_type($, 'white')
   Call: (207) [system] char_type($, end_of_line)
   Fail: (207) [system] char_type($, end_of_line)
   Call: (207) [system] char_type($, space)
   Fail: (207) [system] char_type($, space)
   Call: (207) [system] char_type($, cntrl)
   Fail: (207) [system] char_type($, cntrl)
^  Fail: (206) [user] is_like_space($)
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] get_char((0x563acd73bee0), _1678624)
   Exit: (205) [system] get_char((0x563acd73bee0), $)
   Call: (205) [system] ($)='('
   Fail: (205) [system] ($)='('
   Call: (205) [system] ($)='['
   Fail: (205) [system] ($)='['
   Call: (205) [system] ($)='{'
   Fail: (205) [system] ($)='{'
   Call: (205) [system] ($)='"'
   Fail: (205) [system] ($)='"'
   Call: (205) [system] ($)=!
   Fail: (205) [system] ($)=!
   Call: (205) [system] ($)='\''
   Fail: (205) [system] ($)='\''
   Call: (205) [system] ($)='`'
   Fail: (205) [system] ($)='`'
   Call: (205) [system] ($)=end_of_file
   Fail: (205) [system] ($)=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x563acd73bee0), $, _1660756)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1696266)
   Call: (207) [system] peek_char((0x563acd73bee0), _1697200)
   Exit: (207) [system] peek_char((0x563acd73bee0), p)
^  Call: (207) [user] is_delimiter(p)
   Call: (208) [system] char_type(p, space)
   Fail: (208) [system] char_type(p, space)
   Call: (208) [system] arg(_1701920, v('(', ')', end_of_file), p)
   Fail: (208) [system] arg(_1702852, v('(', ')', end_of_file), p)
^  Fail: (207) [user] is_delimiter(p)
   Call: (207) [system] ')'==p
   Fail: (207) [system] ')'==p
   Call: (207) [system] get_char((0x563acd73bee0), p)
   Exit: (207) [system] get_char((0x563acd73bee0), p)
   Call: (207) [system] p=(\)
   Fail: (207) [system] p=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1710202)
   Call: (208) [system] peek_char((0x563acd73bee0), _1711136)
   Exit: (208) [system] peek_char((0x563acd73bee0), r)
^  Call: (208) [user] is_delimiter(r)
   Call: (209) [system] char_type(r, space)
   Fail: (209) [system] char_type(r, space)
   Call: (209) [system] arg(_1715856, v('(', ')', end_of_file), r)
   Fail: (209) [system] arg(_1716788, v('(', ')', end_of_file), r)
^  Fail: (208) [user] is_delimiter(r)
   Call: (208) [system] ')'==r
   Fail: (208) [system] ')'==r
   Call: (208) [system] get_char((0x563acd73bee0), r)
   Exit: (208) [system] get_char((0x563acd73bee0), r)
   Call: (208) [system] r=(\)
   Fail: (208) [system] r=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1724138)
   Call: (209) [system] peek_char((0x563acd73bee0), _1725072)
   Exit: (209) [system] peek_char((0x563acd73bee0), e)
^  Call: (209) [user] is_delimiter(e)
   Call: (210) [system] char_type(e, space)
   Fail: (210) [system] char_type(e, space)
   Call: (210) [system] arg(_1729792, v('(', ')', end_of_file), e)
   Fail: (210) [system] arg(_1730724, v('(', ')', end_of_file), e)
^  Fail: (209) [user] is_delimiter(e)
   Call: (209) [system] ')'==e
   Fail: (209) [system] ')'==e
   Call: (209) [system] get_char((0x563acd73bee0), e)
   Exit: (209) [system] get_char((0x563acd73bee0), e)
   Call: (209) [system] e=(\)
   Fail: (209) [system] e=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1738074)
   Call: (210) [system] peek_char((0x563acd73bee0), _1739008)
   Exit: (210) [system] peek_char((0x563acd73bee0), m)
^  Call: (210) [user] is_delimiter(m)
   Call: (211) [system] char_type(m, space)
   Fail: (211) [system] char_type(m, space)
   Call: (211) [system] arg(_1743728, v('(', ')', end_of_file), m)
   Fail: (211) [system] arg(_1744660, v('(', ')', end_of_file), m)
^  Fail: (210) [user] is_delimiter(m)
   Call: (210) [system] ')'==m
   Fail: (210) [system] ')'==m
   Call: (210) [system] get_char((0x563acd73bee0), m)
   Exit: (210) [system] get_char((0x563acd73bee0), m)
   Call: (210) [system] m=(\)
   Fail: (210) [system] m=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1752010)
   Call: (211) [system] peek_char((0x563acd73bee0), _1752944)
   Exit: (211) [system] peek_char((0x563acd73bee0), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Fail: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_1757664, v('(', ')', end_of_file), i)
   Fail: (212) [system] arg(_1758596, v('(', ')', end_of_file), i)
^  Fail: (211) [user] is_delimiter(i)
   Call: (211) [system] ')'==i
   Fail: (211) [system] ')'==i
   Call: (211) [system] get_char((0x563acd73bee0), i)
   Exit: (211) [system] get_char((0x563acd73bee0), i)
   Call: (211) [system] i=(\)
   Fail: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1765946)
   Call: (212) [system] peek_char((0x563acd73bee0), _1766880)
   Exit: (212) [system] peek_char((0x563acd73bee0), s)
^  Call: (212) [user] is_delimiter(s)
   Call: (213) [system] char_type(s, space)
   Fail: (213) [system] char_type(s, space)
   Call: (213) [system] arg(_1771600, v('(', ')', end_of_file), s)
   Fail: (213) [system] arg(_1772532, v('(', ')', end_of_file), s)
^  Fail: (212) [user] is_delimiter(s)
   Call: (212) [system] ')'==s
   Fail: (212) [system] ')'==s
   Call: (212) [system] get_char((0x563acd73bee0), s)
   Exit: (212) [system] get_char((0x563acd73bee0), s)
   Call: (212) [system] s=(\)
   Fail: (212) [system] s=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _1779882)
   Call: (213) [system] peek_char((0x563acd73bee0), _1780816)
   Exit: (213) [system] peek_char((0x563acd73bee0), e)
^  Call: (213) [user] is_delimiter(e)
   Call: (214) [system] char_type(e, space)
   Fail: (214) [system] char_type(e, space)
   Call: (214) [system] arg(_1785536, v('(', ')', end_of_file), e)
   Fail: (214) [system] arg(_1786468, v('(', ')', end_of_file), e)
^  Fail: (213) [user] is_delimiter(e)
   Call: (213) [system] ')'==e
   Fail: (213) [system] ')'==e
   Call: (213) [system] get_char((0x563acd73bee0), e)
   Exit: (213) [system] get_char((0x563acd73bee0), e)
   Call: (213) [system] e=(\)
   Fail: (213) [system] e=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _1793818)
   Call: (214) [system] peek_char((0x563acd73bee0), _1794752)
   Exit: (214) [system] peek_char((0x563acd73bee0), '4')
^  Call: (214) [user] is_delimiter('4')
   Call: (215) [system] char_type('4', space)
   Fail: (215) [system] char_type('4', space)
   Call: (215) [system] arg(_1799472, v('(', ')', end_of_file), '4')
   Fail: (215) [system] arg(_1800404, v('(', ')', end_of_file), '4')
^  Fail: (214) [user] is_delimiter('4')
   Call: (214) [system] ')'=='4'
   Fail: (214) [system] ')'=='4'
   Call: (214) [system] get_char((0x563acd73bee0), '4')
   Exit: (214) [system] get_char((0x563acd73bee0), '4')
   Call: (214) [system] '4'=(\)
   Fail: (214) [system] '4'=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _1807754)
   Call: (215) [system] peek_char((0x563acd73bee0), _1808688)
   Exit: (215) [system] peek_char((0x563acd73bee0), ')')
^  Call: (215) [user] is_delimiter(')')
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] arg(_1813408, v('(', ')', end_of_file), ')')
   Exit: (216) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (215) [user] is_delimiter(')')
   Call: (215) [system] _1807754=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (214) [system] _1793818=['4']
   Exit: (214) [system] ['4']=['4']
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), ['4'])
   Call: (213) [system] _1779882=[e, '4']
   Exit: (213) [system] [e, '4']=[e, '4']
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, '4'])
   Call: (212) [system] _1765946=[s, e, '4']
   Exit: (212) [system] [s, e, '4']=[s, e, '4']
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, e, '4'])
   Call: (211) [system] _1752010=[i, s, e, '4']
   Exit: (211) [system] [i, s, e, '4']=[i, s, e, '4']
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, e, '4'])
   Call: (210) [system] _1738074=[m, i, s, e, '4']
   Exit: (210) [system] [m, i, s, e, '4']=[m, i, s, e, '4']
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, i, s, e, '4'])
   Call: (209) [system] _1724138=[e, m, i, s, e, '4']
   Exit: (209) [system] [e, m, i, s, e, '4']=[e, m, i, s, e, '4']
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, m, i, s, e, '4'])
   Call: (208) [system] _1710202=[r, e, m, i, s, e, '4']
   Exit: (208) [system] [r, e, m, i, s, e, '4']=[r, e, m, i, s, e, '4']
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, e, m, i, s, e, '4'])
   Call: (207) [system] _1696266=[p, r, e, m, i, s, e, '4']
   Exit: (207) [system] [p, r, e, m, i, s, e, '4']=[p, r, e, m, i, s, e, '4']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, e, m, i, s, e, '4'])
^  Call: (206) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '4'], _1660756)
^  Call: (207) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '4'], _1842196)
   Call: (208) [system] atom_chars(_1843128, ['_', p, r, e, m, i, s, e, '4'])
   Exit: (208) [system] atom_chars('_premise4', ['_', p, r, e, m, i, s, e, '4'])
^  Exit: (207) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '4'], _premise4)
   Call: (207) [system] integer(_premise4)
   Fail: (207) [system] integer(_premise4)
   Call: (207) [system] _1660756=_premise4
   Exit: (207) [system] _premise4=_premise4
^  Exit: (206) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '4'], _premise4)
^  Exit: (205) [user] read_symbolic(')', (0x563acd73bee0), $, _premise4)
^  Exit: (204) [user] cont_sexpr(')', (0x563acd73bee0), _premise4)
^  Call: (204) [user] read_list(')', (0x563acd73bee0), _1852420)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1854278)
   Exit: (206) [system] peek_char((0x563acd73bee0), ')')
   Call: (206) [system] ')'=(;)
   Fail: (206) [system] ')'=(;)
   Call: (206) [system] ')'=(/)
   Fail: (206) [system] ')'=(/)
^  Call: (206) [user] is_like_space(')')
   Call: (207) [system] char_type(')', 'white')
   Fail: (207) [system] char_type(')', 'white')
   Call: (207) [system] char_type(')', end_of_line)
   Fail: (207) [system] char_type(')', end_of_line)
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] char_type(')', cntrl)
   Fail: (207) [system] char_type(')', cntrl)
^  Fail: (206) [user] is_like_space(')')
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1870288)
   Exit: (205) [system] peek_char((0x563acd73bee0), ')')
   Call: (205) [system] ')'=')'
   Exit: (205) [system] ')'=')'
   Call: (205) [system] get_char((0x563acd73bee0), _1874078)
   Exit: (205) [system] get_char((0x563acd73bee0), ')')
   Call: (205) [system] _1852420=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_list(')', (0x563acd73bee0), [])
   Call: (204) [system] _1624096=[_premise4]
   Exit: (204) [system] [_premise4]=[_premise4]
^  Exit: (203) [user] read_list(')', (0x563acd73bee0), [_premise4])
   Call: (203) [system] _1431104=[_proof4, _premise4]
   Exit: (203) [system] [_proof4, _premise4]=[_proof4, _premise4]
^  Exit: (202) [user] read_list(')', (0x563acd73bee0), [_proof4, _premise4])
   Call: (202) [system] _1327278=[:, _proof4, _premise4]
   Exit: (202) [system] [:, _proof4, _premise4]=[:, _proof4, _premise4]
^  Exit: (201) [user] read_list(')', (0x563acd73bee0), [:, _proof4, _premise4])
^  Exit: (200) [user] cont_sexpr(')', (0x563acd73bee0), [:, _proof4, _premise4])
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _1887960)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1889818)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x563acd73bee0), _1899412)
   Exit: (202) [system] get_char((0x563acd73bee0), ' ')
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1902116)
   Exit: (203) [system] peek_char((0x563acd73bee0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1919050)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x563acd73bee0), _1924620)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1926478)
   Exit: (203) [system] peek_char((0x563acd73bee0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] get_char((0x563acd73bee0), _1942488)
   Exit: (202) [system] get_char((0x563acd73bee0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x563acd73bee0), $, _1924620)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1960130)
   Call: (204) [system] peek_char((0x563acd73bee0), _1961064)
   Exit: (204) [system] peek_char((0x563acd73bee0), k)
^  Call: (204) [user] is_delimiter(k)
   Call: (205) [system] char_type(k, space)
   Fail: (205) [system] char_type(k, space)
   Call: (205) [system] arg(_1965784, v('(', ')', end_of_file), k)
   Fail: (205) [system] arg(_1966716, v('(', ')', end_of_file), k)
^  Fail: (204) [user] is_delimiter(k)
   Call: (204) [system] ')'==k
   Fail: (204) [system] ')'==k
   Call: (204) [system] get_char((0x563acd73bee0), k)
   Exit: (204) [system] get_char((0x563acd73bee0), k)
   Call: (204) [system] k=(\)
   Fail: (204) [system] k=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1974066)
   Call: (205) [system] peek_char((0x563acd73bee0), _1975000)
   Exit: (205) [system] peek_char((0x563acd73bee0), b)
^  Call: (205) [user] is_delimiter(b)
   Call: (206) [system] char_type(b, space)
   Fail: (206) [system] char_type(b, space)
   Call: (206) [system] arg(_1979720, v('(', ')', end_of_file), b)
   Fail: (206) [system] arg(_1980652, v('(', ')', end_of_file), b)
^  Fail: (205) [user] is_delimiter(b)
   Call: (205) [system] ')'==b
   Fail: (205) [system] ')'==b
   Call: (205) [system] get_char((0x563acd73bee0), b)
   Exit: (205) [system] get_char((0x563acd73bee0), b)
   Call: (205) [system] b=(\)
   Fail: (205) [system] b=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1988002)
   Call: (206) [system] peek_char((0x563acd73bee0), _1988936)
   Exit: (206) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _1988002=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (205) [system] _1974066=[b]
   Exit: (205) [system] [b]=[b]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
   Call: (204) [system] _1960130=[k, b]
   Exit: (204) [system] [k, b]=[k, b]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [k, b])
^  Call: (203) [user] classify_and_convert_charseq([$, k, b], _1924620)
^  Call: (204) [user] classify_and_convert_charseq_([$, k, b], _2003808)
   Call: (205) [system] atom_chars(_2004740, ['_', k, b])
   Exit: (205) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (204) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (204) [system] integer(_kb)
   Fail: (204) [system] integer(_kb)
   Call: (204) [system] _1924620=_kb
   Exit: (204) [system] _kb=_kb
^  Exit: (203) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (202) [user] read_symbolic(')', (0x563acd73bee0), $, _kb)
^  Exit: (201) [user] cont_sexpr(')', (0x563acd73bee0), _kb)
^  Call: (201) [user] read_list(')', (0x563acd73bee0), _2014032)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _2015890)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x563acd73bee0), _2025484)
   Exit: (203) [system] get_char((0x563acd73bee0), ' ')
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _2028188)
   Exit: (204) [system] peek_char((0x563acd73bee0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _2045122)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=')'
   Fail: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x563acd73bee0), _2050692)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _2052550)
   Exit: (204) [system] peek_char((0x563acd73bee0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] get_char((0x563acd73bee0), _2068560)
   Exit: (203) [system] get_char((0x563acd73bee0), $)
   Call: (203) [system] ($)='('
   Fail: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Fail: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Fail: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Fail: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Fail: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Fail: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Fail: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x563acd73bee0), $, _2050692)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _2086202)
   Call: (205) [system] peek_char((0x563acd73bee0), _2087136)
   Exit: (205) [system] peek_char((0x563acd73bee0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_2091856, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_2092788, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x563acd73bee0), r)
   Exit: (205) [system] get_char((0x563acd73bee0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _7486)
   Call: (206) [system] peek_char((0x563acd73bee0), _8420)
   Exit: (206) [system] peek_char((0x563acd73bee0), b)
^  Call: (206) [user] is_delimiter(b)
   Call: (207) [system] char_type(b, space)
   Fail: (207) [system] char_type(b, space)
   Call: (207) [system] arg(_13140, v('(', ')', end_of_file), b)
   Fail: (207) [system] arg(_14072, v('(', ')', end_of_file), b)
^  Fail: (206) [user] is_delimiter(b)
   Call: (206) [system] ')'==b
   Fail: (206) [system] ')'==b
   Call: (206) [system] get_char((0x563acd73bee0), b)
   Exit: (206) [system] get_char((0x563acd73bee0), b)
   Call: (206) [system] b=(\)
   Fail: (206) [system] b=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _21422)
   Call: (207) [system] peek_char((0x563acd73bee0), _22356)
   Exit: (207) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _21422=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (206) [system] _7486=[b]
   Exit: (206) [system] [b]=[b]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
   Call: (205) [system] _4100=[r, b]
   Exit: (205) [system] [r, b]=[r, b]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, b])
^  Call: (204) [user] classify_and_convert_charseq([$, r, b], _4096)
^  Call: (205) [user] classify_and_convert_charseq_([$, r, b], _37228)
   Call: (206) [system] atom_chars(_38160, ['_', r, b])
   Exit: (206) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (205) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (205) [system] integer(_rb)
   Fail: (205) [system] integer(_rb)
   Call: (205) [system] _4096=_rb
   Exit: (205) [system] _rb=_rb
^  Exit: (204) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (203) [user] read_symbolic(')', (0x563acd73bee0), $, _rb)
^  Exit: (202) [user] cont_sexpr(')', (0x563acd73bee0), _rb)
^  Call: (202) [user] read_list(')', (0x563acd73bee0), _47452)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _49310)
   Exit: (204) [system] peek_char((0x563acd73bee0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x563acd73bee0), _58904)
   Exit: (204) [system] get_char((0x563acd73bee0), ' ')
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _61608)
   Exit: (205) [system] peek_char((0x563acd73bee0), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
   Call: (205) [system] ($)=(/)
   Fail: (205) [system] ($)=(/)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _78542)
   Exit: (203) [system] peek_char((0x563acd73bee0), $)
   Call: (203) [system] ($)=')'
   Fail: (203) [system] ($)=')'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x563acd73bee0), _84112)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _85970)
   Exit: (205) [system] peek_char((0x563acd73bee0), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
   Call: (205) [system] ($)=(/)
   Fail: (205) [system] ($)=(/)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] get_char((0x563acd73bee0), _101980)
   Exit: (204) [system] get_char((0x563acd73bee0), $)
   Call: (204) [system] ($)='('
   Fail: (204) [system] ($)='('
   Call: (204) [system] ($)='['
   Fail: (204) [system] ($)='['
   Call: (204) [system] ($)='{'
   Fail: (204) [system] ($)='{'
   Call: (204) [system] ($)='"'
   Fail: (204) [system] ($)='"'
   Call: (204) [system] ($)=!
   Fail: (204) [system] ($)=!
   Call: (204) [system] ($)='\''
   Fail: (204) [system] ($)='\''
   Call: (204) [system] ($)='`'
   Fail: (204) [system] ($)='`'
   Call: (204) [system] ($)=end_of_file
   Fail: (204) [system] ($)=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x563acd73bee0), $, _84112)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _119622)
   Call: (206) [system] peek_char((0x563acd73bee0), _120556)
   Exit: (206) [system] peek_char((0x563acd73bee0), k)
^  Call: (206) [user] is_delimiter(k)
   Call: (207) [system] char_type(k, space)
   Fail: (207) [system] char_type(k, space)
   Call: (207) [system] arg(_125276, v('(', ')', end_of_file), k)
   Fail: (207) [system] arg(_126208, v('(', ')', end_of_file), k)
^  Fail: (206) [user] is_delimiter(k)
   Call: (206) [system] ')'==k
   Fail: (206) [system] ')'==k
   Call: (206) [system] get_char((0x563acd73bee0), k)
   Exit: (206) [system] get_char((0x563acd73bee0), k)
   Call: (206) [system] k=(\)
   Fail: (206) [system] k=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _133558)
   Call: (207) [system] peek_char((0x563acd73bee0), _134492)
   Exit: (207) [system] peek_char((0x563acd73bee0), ')')
^  Call: (207) [user] is_delimiter(')')
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] arg(_139212, v('(', ')', end_of_file), ')')
   Exit: (208) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (207) [user] is_delimiter(')')
   Call: (207) [system] _133558=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (206) [system] _119622=[k]
   Exit: (206) [system] [k]=[k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
^  Call: (205) [user] classify_and_convert_charseq([$, k], _84112)
^  Call: (206) [user] classify_and_convert_charseq_([$, k], _148442)
   Call: (207) [system] atom_chars(_149374, ['_', k])
   Exit: (207) [system] atom_chars('_k', ['_', k])
^  Exit: (206) [user] classify_and_convert_charseq_([$, k], _k)
   Call: (206) [system] integer(_k)
   Fail: (206) [system] integer(_k)
   Call: (206) [system] _84112=_k
   Exit: (206) [system] _k=_k
^  Exit: (205) [user] classify_and_convert_charseq([$, k], _k)
^  Exit: (204) [user] read_symbolic(')', (0x563acd73bee0), $, _k)
^  Exit: (203) [user] cont_sexpr(')', (0x563acd73bee0), _k)
^  Call: (203) [user] read_list(')', (0x563acd73bee0), _158666)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _160524)
   Exit: (205) [system] peek_char((0x563acd73bee0), ')')
   Call: (205) [system] ')'=(;)
   Fail: (205) [system] ')'=(;)
   Call: (205) [system] ')'=(/)
   Fail: (205) [system] ')'=(/)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Fail: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Fail: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
   Fail: (206) [system] char_type(')', cntrl)
^  Fail: (205) [user] is_like_space(')')
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _176534)
   Exit: (204) [system] peek_char((0x563acd73bee0), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x563acd73bee0), _180324)
   Exit: (204) [system] get_char((0x563acd73bee0), ')')
   Call: (204) [system] _158666=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x563acd73bee0), [])
   Call: (203) [system] _47452=[_k]
   Exit: (203) [system] [_k]=[_k]
^  Exit: (202) [user] read_list(')', (0x563acd73bee0), [_k])
   Call: (202) [system] _4092=[_rb, _k]
   Exit: (202) [system] [_rb, _k]=[_rb, _k]
^  Exit: (201) [user] read_list(')', (0x563acd73bee0), [_rb, _k])
   Call: (201) [system] _4082=[_kb, _rb, _k]
   Exit: (201) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), [_kb, _rb, _k])
   Call: (200) [system] _4050=[[:, _proof4, _premise4], _kb, _rb, _k]
   Exit: (200) [system] [[:, _proof4, _premise4], _kb, _rb, _k]=[[:, _proof4, _premise4], _kb, _rb, _k]
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), [[:, _proof4, _premise4], _kb, _rb, _k])
   Call: (199) [system] _4042=[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]
   Exit: (199) [system] [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]=[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]
^  Exit: (198) [user] read_list(')', (0x563acd73bee0), [synthesize, [:, _proof4, _premise4], _kb, _rb, _k])
^  Exit: (197) [user] cont_sexpr(')', (0x563acd73bee0), [synthesize, [:, _proof4, _premise4], _kb, _rb, _k])
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _199794)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _201652)
   Exit: (199) [system] peek_char((0x563acd73bee0), ')')
   Call: (199) [system] ')'=(;)
   Fail: (199) [system] ')'=(;)
   Call: (199) [system] ')'=(/)
   Fail: (199) [system] ')'=(/)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Fail: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Fail: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
   Fail: (200) [system] char_type(')', cntrl)
^  Fail: (199) [user] is_like_space(')')
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _217662)
   Exit: (198) [system] peek_char((0x563acd73bee0), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x563acd73bee0), _221452)
   Exit: (198) [system] get_char((0x563acd73bee0), ')')
   Call: (198) [system] _199794=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x563acd73bee0), [])
   Call: (197) [system] _4038=[[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]
   Exit: (197) [system] [[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]=[[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]
^  Exit: (196) [user] read_list(')', (0x563acd73bee0), [[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]])
   Call: (196) [system] _4004=[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]
   Exit: (196) [system] [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]=[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]])
^  Exit: (194) [user] cont_sexpr(')', (0x563acd73bee0), [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]])
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _232540)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _234398)
   Exit: (196) [system] peek_char((0x563acd73bee0), '\n')
   Call: (196) [system] '\n'=(;)
   Fail: (196) [system] '\n'=(;)
   Call: (196) [system] '\n'=(/)
   Fail: (196) [system] '\n'=(/)
^  Call: (196) [user] is_like_space('\n')
   Call: (197) [system] char_type('\n', 'white')
   Fail: (197) [system] char_type('\n', 'white')
   Call: (197) [system] char_type('\n', end_of_line)
   Exit: (197) [system] char_type('\n', end_of_line)
^  Exit: (196) [user] is_like_space('\n')
   Call: (196) [system] get_char((0x563acd73bee0), _245848)
   Exit: (196) [system] get_char((0x563acd73bee0), '\n')
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _248552)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x563acd73bee0), _258146)
   Exit: (197) [system] get_char((0x563acd73bee0), ' ')
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _260850)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x563acd73bee0), _270444)
   Exit: (198) [system] get_char((0x563acd73bee0), ' ')
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _273148)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x563acd73bee0), _282742)
   Exit: (199) [system] get_char((0x563acd73bee0), ' ')
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _285446)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x563acd73bee0), _295040)
   Exit: (200) [system] get_char((0x563acd73bee0), ' ')
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _297744)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _307338)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _310042)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x563acd73bee0), _319636)
   Exit: (202) [system] get_char((0x563acd73bee0), ' ')
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _322340)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x563acd73bee0), _331934)
   Exit: (203) [system] get_char((0x563acd73bee0), ' ')
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _334638)
   Exit: (204) [system] peek_char((0x563acd73bee0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x563acd73bee0), _344232)
   Exit: (204) [system] get_char((0x563acd73bee0), ' ')
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _346936)
   Exit: (205) [system] peek_char((0x563acd73bee0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x563acd73bee0), _356530)
   Exit: (205) [system] get_char((0x563acd73bee0), ' ')
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _359234)
   Exit: (206) [system] peek_char((0x563acd73bee0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
   Call: (206) [system] ' '=(/)
   Fail: (206) [system] ' '=(/)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x563acd73bee0), _368828)
   Exit: (206) [system] get_char((0x563acd73bee0), ' ')
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _371532)
   Exit: (207) [system] peek_char((0x563acd73bee0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _397706)
   Exit: (195) [system] peek_char((0x563acd73bee0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x563acd73bee0), _403276)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _405134)
   Exit: (197) [system] peek_char((0x563acd73bee0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] get_char((0x563acd73bee0), _421144)
   Exit: (196) [system] get_char((0x563acd73bee0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x563acd73bee0), _403276)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _426714)
   Exit: (198) [system] peek_char((0x563acd73bee0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _442724)
   Exit: (197) [system] peek_char((0x563acd73bee0), '(')
   Call: (197) [system] '('=')'
   Fail: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
   Fail: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x563acd73bee0), _448294)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _450152)
   Exit: (199) [system] peek_char((0x563acd73bee0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] get_char((0x563acd73bee0), _466162)
   Exit: (198) [system] get_char((0x563acd73bee0), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _448294)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _471732)
   Exit: (200) [system] peek_char((0x563acd73bee0), :)
   Call: (200) [system] (:)=(;)
   Fail: (200) [system] (:)=(;)
   Call: (200) [system] (:)=(/)
   Fail: (200) [system] (:)=(/)
^  Call: (200) [user] is_like_space(:)
   Call: (201) [system] char_type(:, 'white')
   Fail: (201) [system] char_type(:, 'white')
   Call: (201) [system] char_type(:, end_of_line)
   Fail: (201) [system] char_type(:, end_of_line)
   Call: (201) [system] char_type(:, space)
   Fail: (201) [system] char_type(:, space)
   Call: (201) [system] char_type(:, cntrl)
   Fail: (201) [system] char_type(:, cntrl)
^  Fail: (200) [user] is_like_space(:)
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _487742)
   Exit: (199) [system] peek_char((0x563acd73bee0), :)
   Call: (199) [system] (:)=')'
   Fail: (199) [system] (:)=')'
   Call: (199) [system] (:)=end_of_file
   Fail: (199) [system] (:)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x563acd73bee0), _493312)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _495170)
   Exit: (201) [system] peek_char((0x563acd73bee0), :)
   Call: (201) [system] (:)=(;)
   Fail: (201) [system] (:)=(;)
   Call: (201) [system] (:)=(/)
   Fail: (201) [system] (:)=(/)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Fail: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Fail: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Fail: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
   Fail: (202) [system] char_type(:, cntrl)
^  Fail: (201) [user] is_like_space(:)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] get_char((0x563acd73bee0), _511180)
   Exit: (200) [system] get_char((0x563acd73bee0), :)
   Call: (200) [system] (:)='('
   Fail: (200) [system] (:)='('
   Call: (200) [system] (:)='['
   Fail: (200) [system] (:)='['
   Call: (200) [system] (:)='{'
   Fail: (200) [system] (:)='{'
   Call: (200) [system] (:)='"'
   Fail: (200) [system] (:)='"'
   Call: (200) [system] (:)=!
   Fail: (200) [system] (:)=!
   Call: (200) [system] (:)='\''
   Fail: (200) [system] (:)='\''
   Call: (200) [system] (:)='`'
   Fail: (200) [system] (:)='`'
   Call: (200) [system] (:)=end_of_file
   Fail: (200) [system] (:)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x563acd73bee0), :, _493312)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _528822)
   Call: (202) [system] peek_char((0x563acd73bee0), _529756)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _528822=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (201) [user] classify_and_convert_charseq([:], _493312)
^  Call: (202) [user] classify_and_convert_charseq_([:], _539040)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_539992, _539994), once(user:catch(read_from_chars([:], _539040), _539974, fail)), '$restore_trace'(_539992, _539994))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_539992, _539994))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _539974, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(:)
   Exit: (203) [system] atomic(:)
^  Exit: (202) [user] classify_and_convert_charseq_([:], :)
   Call: (202) [system] integer(:)
   Fail: (202) [system] integer(:)
   Call: (202) [system] _493312=(:)
   Exit: (202) [system] (:)=(:)
^  Exit: (201) [user] classify_and_convert_charseq([:], :)
^  Exit: (200) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (199) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _552120)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _553978)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _563572)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _566276)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _583210)
   Exit: (200) [system] peek_char((0x563acd73bee0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x563acd73bee0), _588780)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _590638)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
   Call: (202) [system] ($)=(/)
   Fail: (202) [system] ($)=(/)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] get_char((0x563acd73bee0), _606648)
   Exit: (201) [system] get_char((0x563acd73bee0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x563acd73bee0), $, _588780)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _624290)
   Call: (203) [system] peek_char((0x563acd73bee0), _625224)
   Exit: (203) [system] peek_char((0x563acd73bee0), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Fail: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_629944, v('(', ')', end_of_file), p)
   Fail: (204) [system] arg(_630876, v('(', ')', end_of_file), p)
^  Fail: (203) [user] is_delimiter(p)
   Call: (203) [system] ')'==p
   Fail: (203) [system] ')'==p
   Call: (203) [system] get_char((0x563acd73bee0), p)
   Exit: (203) [system] get_char((0x563acd73bee0), p)
   Call: (203) [system] p=(\)
   Fail: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _638226)
   Call: (204) [system] peek_char((0x563acd73bee0), _639160)
   Exit: (204) [system] peek_char((0x563acd73bee0), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_643880, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_644812, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x563acd73bee0), r)
   Exit: (204) [system] get_char((0x563acd73bee0), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _652162)
   Call: (205) [system] peek_char((0x563acd73bee0), _653096)
   Exit: (205) [system] peek_char((0x563acd73bee0), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_657816, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_658748, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x563acd73bee0), o)
   Exit: (205) [system] get_char((0x563acd73bee0), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _666098)
   Call: (206) [system] peek_char((0x563acd73bee0), _667032)
   Exit: (206) [system] peek_char((0x563acd73bee0), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_671752, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_672684, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x563acd73bee0), o)
   Exit: (206) [system] get_char((0x563acd73bee0), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _680034)
   Call: (207) [system] peek_char((0x563acd73bee0), _680968)
   Exit: (207) [system] peek_char((0x563acd73bee0), f)
^  Call: (207) [user] is_delimiter(f)
   Call: (208) [system] char_type(f, space)
   Fail: (208) [system] char_type(f, space)
   Call: (208) [system] arg(_685688, v('(', ')', end_of_file), f)
   Fail: (208) [system] arg(_686620, v('(', ')', end_of_file), f)
^  Fail: (207) [user] is_delimiter(f)
   Call: (207) [system] ')'==f
   Fail: (207) [system] ')'==f
   Call: (207) [system] get_char((0x563acd73bee0), f)
   Exit: (207) [system] get_char((0x563acd73bee0), f)
   Call: (207) [system] f=(\)
   Fail: (207) [system] f=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _693970)
   Call: (208) [system] peek_char((0x563acd73bee0), _694904)
   Exit: (208) [system] peek_char((0x563acd73bee0), '5')
^  Call: (208) [user] is_delimiter('5')
   Call: (209) [system] char_type('5', space)
   Fail: (209) [system] char_type('5', space)
   Call: (209) [system] arg(_699624, v('(', ')', end_of_file), '5')
   Fail: (209) [system] arg(_700556, v('(', ')', end_of_file), '5')
^  Fail: (208) [user] is_delimiter('5')
   Call: (208) [system] ')'=='5'
   Fail: (208) [system] ')'=='5'
   Call: (208) [system] get_char((0x563acd73bee0), '5')
   Exit: (208) [system] get_char((0x563acd73bee0), '5')
   Call: (208) [system] '5'=(\)
   Fail: (208) [system] '5'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _707906)
   Call: (209) [system] peek_char((0x563acd73bee0), _708840)
   Exit: (209) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _707906=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (208) [system] _693970=['5']
   Exit: (208) [system] ['5']=['5']
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), ['5'])
   Call: (207) [system] _680034=[f, '5']
   Exit: (207) [system] [f, '5']=[f, '5']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [f, '5'])
   Call: (206) [system] _666098=[o, f, '5']
   Exit: (206) [system] [o, f, '5']=[o, f, '5']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, f, '5'])
   Call: (205) [system] _652162=[o, o, f, '5']
   Exit: (205) [system] [o, o, f, '5']=[o, o, f, '5']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, o, f, '5'])
   Call: (204) [system] _638226=[r, o, o, f, '5']
   Exit: (204) [system] [r, o, o, f, '5']=[r, o, o, f, '5']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, o, f, '5'])
   Call: (203) [system] _624290=[p, r, o, o, f, '5']
   Exit: (203) [system] [p, r, o, o, f, '5']=[p, r, o, o, f, '5']
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, o, o, f, '5'])
^  Call: (202) [user] classify_and_convert_charseq([$, p, r, o, o, f, '5'], _588780)
^  Call: (203) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '5'], _734888)
   Call: (204) [system] atom_chars(_735820, ['_', p, r, o, o, f, '5'])
   Exit: (204) [system] atom_chars('_proof5', ['_', p, r, o, o, f, '5'])
^  Exit: (203) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '5'], _proof5)
   Call: (203) [system] integer(_proof5)
   Fail: (203) [system] integer(_proof5)
   Call: (203) [system] _588780=_proof5
   Exit: (203) [system] _proof5=_proof5
^  Exit: (202) [user] classify_and_convert_charseq([$, p, r, o, o, f, '5'], _proof5)
^  Exit: (201) [user] read_symbolic(')', (0x563acd73bee0), $, _proof5)
^  Exit: (200) [user] cont_sexpr(')', (0x563acd73bee0), _proof5)
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _745112)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _746970)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x563acd73bee0), _756564)
   Exit: (202) [system] get_char((0x563acd73bee0), ' ')
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _759268)
   Exit: (203) [system] peek_char((0x563acd73bee0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _776202)
   Exit: (201) [system] peek_char((0x563acd73bee0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x563acd73bee0), _781772)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _783630)
   Exit: (203) [system] peek_char((0x563acd73bee0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
   Call: (203) [system] ($)=(/)
   Fail: (203) [system] ($)=(/)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] get_char((0x563acd73bee0), _799640)
   Exit: (202) [system] get_char((0x563acd73bee0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x563acd73bee0), $, _781772)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _817282)
   Call: (204) [system] peek_char((0x563acd73bee0), _818216)
   Exit: (204) [system] peek_char((0x563acd73bee0), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Fail: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_822936, v('(', ')', end_of_file), p)
   Fail: (205) [system] arg(_823868, v('(', ')', end_of_file), p)
^  Fail: (204) [user] is_delimiter(p)
   Call: (204) [system] ')'==p
   Fail: (204) [system] ')'==p
   Call: (204) [system] get_char((0x563acd73bee0), p)
   Exit: (204) [system] get_char((0x563acd73bee0), p)
   Call: (204) [system] p=(\)
   Fail: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _831218)
   Call: (205) [system] peek_char((0x563acd73bee0), _832152)
   Exit: (205) [system] peek_char((0x563acd73bee0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_836872, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_837804, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x563acd73bee0), r)
   Exit: (205) [system] get_char((0x563acd73bee0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _845154)
   Call: (206) [system] peek_char((0x563acd73bee0), _846088)
   Exit: (206) [system] peek_char((0x563acd73bee0), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Fail: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_850808, v('(', ')', end_of_file), e)
   Fail: (207) [system] arg(_851740, v('(', ')', end_of_file), e)
^  Fail: (206) [user] is_delimiter(e)
   Call: (206) [system] ')'==e
   Fail: (206) [system] ')'==e
   Call: (206) [system] get_char((0x563acd73bee0), e)
   Exit: (206) [system] get_char((0x563acd73bee0), e)
   Call: (206) [system] e=(\)
   Fail: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _859090)
   Call: (207) [system] peek_char((0x563acd73bee0), _860024)
   Exit: (207) [system] peek_char((0x563acd73bee0), m)
^  Call: (207) [user] is_delimiter(m)
   Call: (208) [system] char_type(m, space)
   Fail: (208) [system] char_type(m, space)
   Call: (208) [system] arg(_864744, v('(', ')', end_of_file), m)
   Fail: (208) [system] arg(_865676, v('(', ')', end_of_file), m)
^  Fail: (207) [user] is_delimiter(m)
   Call: (207) [system] ')'==m
   Fail: (207) [system] ')'==m
   Call: (207) [system] get_char((0x563acd73bee0), m)
   Exit: (207) [system] get_char((0x563acd73bee0), m)
   Call: (207) [system] m=(\)
   Fail: (207) [system] m=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _873026)
   Call: (208) [system] peek_char((0x563acd73bee0), _873960)
   Exit: (208) [system] peek_char((0x563acd73bee0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_878680, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_879612, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x563acd73bee0), i)
   Exit: (208) [system] get_char((0x563acd73bee0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _886962)
   Call: (209) [system] peek_char((0x563acd73bee0), _887896)
   Exit: (209) [system] peek_char((0x563acd73bee0), s)
^  Call: (209) [user] is_delimiter(s)
   Call: (210) [system] char_type(s, space)
   Fail: (210) [system] char_type(s, space)
   Call: (210) [system] arg(_892616, v('(', ')', end_of_file), s)
   Fail: (210) [system] arg(_893548, v('(', ')', end_of_file), s)
^  Fail: (209) [user] is_delimiter(s)
   Call: (209) [system] ')'==s
   Fail: (209) [system] ')'==s
   Call: (209) [system] get_char((0x563acd73bee0), s)
   Exit: (209) [system] get_char((0x563acd73bee0), s)
   Call: (209) [system] s=(\)
   Fail: (209) [system] s=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _900898)
   Call: (210) [system] peek_char((0x563acd73bee0), _901832)
   Exit: (210) [system] peek_char((0x563acd73bee0), e)
^  Call: (210) [user] is_delimiter(e)
   Call: (211) [system] char_type(e, space)
   Fail: (211) [system] char_type(e, space)
   Call: (211) [system] arg(_906552, v('(', ')', end_of_file), e)
   Fail: (211) [system] arg(_907484, v('(', ')', end_of_file), e)
^  Fail: (210) [user] is_delimiter(e)
   Call: (210) [system] ')'==e
   Fail: (210) [system] ')'==e
   Call: (210) [system] get_char((0x563acd73bee0), e)
   Exit: (210) [system] get_char((0x563acd73bee0), e)
   Call: (210) [system] e=(\)
   Fail: (210) [system] e=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _914834)
   Call: (211) [system] peek_char((0x563acd73bee0), _915768)
   Exit: (211) [system] peek_char((0x563acd73bee0), '5')
^  Call: (211) [user] is_delimiter('5')
   Call: (212) [system] char_type('5', space)
   Fail: (212) [system] char_type('5', space)
   Call: (212) [system] arg(_920488, v('(', ')', end_of_file), '5')
   Fail: (212) [system] arg(_921420, v('(', ')', end_of_file), '5')
^  Fail: (211) [user] is_delimiter('5')
   Call: (211) [system] ')'=='5'
   Fail: (211) [system] ')'=='5'
   Call: (211) [system] get_char((0x563acd73bee0), '5')
   Exit: (211) [system] get_char((0x563acd73bee0), '5')
   Call: (211) [system] '5'=(\)
   Fail: (211) [system] '5'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _928770)
   Call: (212) [system] peek_char((0x563acd73bee0), _929704)
   Exit: (212) [system] peek_char((0x563acd73bee0), ')')
^  Call: (212) [user] is_delimiter(')')
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] arg(_934424, v('(', ')', end_of_file), ')')
   Exit: (213) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (212) [user] is_delimiter(')')
   Call: (212) [system] _928770=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (211) [system] _914834=['5']
   Exit: (211) [system] ['5']=['5']
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), ['5'])
   Call: (210) [system] _900898=[e, '5']
   Exit: (210) [system] [e, '5']=[e, '5']
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, '5'])
   Call: (209) [system] _886962=[s, e, '5']
   Exit: (209) [system] [s, e, '5']=[s, e, '5']
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, e, '5'])
   Call: (208) [system] _873026=[i, s, e, '5']
   Exit: (208) [system] [i, s, e, '5']=[i, s, e, '5']
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, e, '5'])
   Call: (207) [system] _859090=[m, i, s, e, '5']
   Exit: (207) [system] [m, i, s, e, '5']=[m, i, s, e, '5']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, i, s, e, '5'])
   Call: (206) [system] _845154=[e, m, i, s, e, '5']
   Exit: (206) [system] [e, m, i, s, e, '5']=[e, m, i, s, e, '5']
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, m, i, s, e, '5'])
   Call: (205) [system] _831218=[r, e, m, i, s, e, '5']
   Exit: (205) [system] [r, e, m, i, s, e, '5']=[r, e, m, i, s, e, '5']
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, e, m, i, s, e, '5'])
   Call: (204) [system] _817282=[p, r, e, m, i, s, e, '5']
   Exit: (204) [system] [p, r, e, m, i, s, e, '5']=[p, r, e, m, i, s, e, '5']
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, e, m, i, s, e, '5'])
^  Call: (203) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '5'], _781772)
^  Call: (204) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '5'], _963212)
   Call: (205) [system] atom_chars(_964144, ['_', p, r, e, m, i, s, e, '5'])
   Exit: (205) [system] atom_chars('_premise5', ['_', p, r, e, m, i, s, e, '5'])
^  Exit: (204) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '5'], _premise5)
   Call: (204) [system] integer(_premise5)
   Fail: (204) [system] integer(_premise5)
   Call: (204) [system] _781772=_premise5
   Exit: (204) [system] _premise5=_premise5
^  Exit: (203) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '5'], _premise5)
^  Exit: (202) [user] read_symbolic(')', (0x563acd73bee0), $, _premise5)
^  Exit: (201) [user] cont_sexpr(')', (0x563acd73bee0), _premise5)
^  Call: (201) [user] read_list(')', (0x563acd73bee0), _973436)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _975294)
   Exit: (203) [system] peek_char((0x563acd73bee0), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
   Call: (203) [system] ')'=(/)
   Fail: (203) [system] ')'=(/)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _991304)
   Exit: (202) [system] peek_char((0x563acd73bee0), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x563acd73bee0), _995094)
   Exit: (202) [system] get_char((0x563acd73bee0), ')')
   Call: (202) [system] _973436=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x563acd73bee0), [])
   Call: (201) [system] _745112=[_premise5]
   Exit: (201) [system] [_premise5]=[_premise5]
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), [_premise5])
   Call: (200) [system] _552120=[_proof5, _premise5]
   Exit: (200) [system] [_proof5, _premise5]=[_proof5, _premise5]
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), [_proof5, _premise5])
   Call: (199) [system] _448294=[:, _proof5, _premise5]
   Exit: (199) [system] [:, _proof5, _premise5]=[:, _proof5, _premise5]
^  Exit: (198) [user] read_list(')', (0x563acd73bee0), [:, _proof5, _premise5])
^  Exit: (197) [user] cont_sexpr(')', (0x563acd73bee0), [:, _proof5, _premise5])
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _1008976)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1010834)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x563acd73bee0), _1020428)
   Exit: (199) [system] get_char((0x563acd73bee0), ' ')
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1023132)
   Exit: (200) [system] peek_char((0x563acd73bee0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1040066)
   Exit: (198) [system] peek_char((0x563acd73bee0), '(')
   Call: (198) [system] '('=')'
   Fail: (198) [system] '('=')'
   Call: (198) [system] '('=end_of_file
   Fail: (198) [system] '('=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x563acd73bee0), _1045636)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1047494)
   Exit: (200) [system] peek_char((0x563acd73bee0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] get_char((0x563acd73bee0), _1063504)
   Exit: (199) [system] get_char((0x563acd73bee0), '(')
   Call: (199) [system] '('='('
   Exit: (199) [system] '('='('
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _1045636)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1069074)
   Exit: (201) [system] peek_char((0x563acd73bee0), s)
   Call: (201) [system] s=(;)
   Fail: (201) [system] s=(;)
   Call: (201) [system] s=(/)
   Fail: (201) [system] s=(/)
^  Call: (201) [user] is_like_space(s)
   Call: (202) [system] char_type(s, 'white')
   Fail: (202) [system] char_type(s, 'white')
   Call: (202) [system] char_type(s, end_of_line)
   Fail: (202) [system] char_type(s, end_of_line)
   Call: (202) [system] char_type(s, space)
   Fail: (202) [system] char_type(s, space)
   Call: (202) [system] char_type(s, cntrl)
   Fail: (202) [system] char_type(s, cntrl)
^  Fail: (201) [user] is_like_space(s)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1085084)
   Exit: (200) [system] peek_char((0x563acd73bee0), s)
   Call: (200) [system] s=')'
   Fail: (200) [system] s=')'
   Call: (200) [system] s=end_of_file
   Fail: (200) [system] s=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x563acd73bee0), _1090654)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1092512)
   Exit: (202) [system] peek_char((0x563acd73bee0), s)
   Call: (202) [system] s=(;)
   Fail: (202) [system] s=(;)
   Call: (202) [system] s=(/)
   Fail: (202) [system] s=(/)
^  Call: (202) [user] is_like_space(s)
   Call: (203) [system] char_type(s, 'white')
   Fail: (203) [system] char_type(s, 'white')
   Call: (203) [system] char_type(s, end_of_line)
   Fail: (203) [system] char_type(s, end_of_line)
   Call: (203) [system] char_type(s, space)
   Fail: (203) [system] char_type(s, space)
   Call: (203) [system] char_type(s, cntrl)
   Fail: (203) [system] char_type(s, cntrl)
^  Fail: (202) [user] is_like_space(s)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] get_char((0x563acd73bee0), _1108522)
   Exit: (201) [system] get_char((0x563acd73bee0), s)
   Call: (201) [system] s='('
   Fail: (201) [system] s='('
   Call: (201) [system] s='['
   Fail: (201) [system] s='['
   Call: (201) [system] s='{'
   Fail: (201) [system] s='{'
   Call: (201) [system] s='"'
   Fail: (201) [system] s='"'
   Call: (201) [system] s=!
   Fail: (201) [system] s=!
   Call: (201) [system] s='\''
   Fail: (201) [system] s='\''
   Call: (201) [system] s='`'
   Fail: (201) [system] s='`'
   Call: (201) [system] s=end_of_file
   Fail: (201) [system] s=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x563acd73bee0), s, _1090654)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1126164)
   Call: (203) [system] peek_char((0x563acd73bee0), _1127098)
   Exit: (203) [system] peek_char((0x563acd73bee0), y)
^  Call: (203) [user] is_delimiter(y)
   Call: (204) [system] char_type(y, space)
   Fail: (204) [system] char_type(y, space)
   Call: (204) [system] arg(_1131818, v('(', ')', end_of_file), y)
   Fail: (204) [system] arg(_1132750, v('(', ')', end_of_file), y)
^  Fail: (203) [user] is_delimiter(y)
   Call: (203) [system] ')'==y
   Fail: (203) [system] ')'==y
   Call: (203) [system] get_char((0x563acd73bee0), y)
   Exit: (203) [system] get_char((0x563acd73bee0), y)
   Call: (203) [system] y=(\)
   Fail: (203) [system] y=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1140100)
   Call: (204) [system] peek_char((0x563acd73bee0), _1141034)
   Exit: (204) [system] peek_char((0x563acd73bee0), n)
^  Call: (204) [user] is_delimiter(n)
   Call: (205) [system] char_type(n, space)
   Fail: (205) [system] char_type(n, space)
   Call: (205) [system] arg(_1145754, v('(', ')', end_of_file), n)
   Fail: (205) [system] arg(_1146686, v('(', ')', end_of_file), n)
^  Fail: (204) [user] is_delimiter(n)
   Call: (204) [system] ')'==n
   Fail: (204) [system] ')'==n
   Call: (204) [system] get_char((0x563acd73bee0), n)
   Exit: (204) [system] get_char((0x563acd73bee0), n)
   Call: (204) [system] n=(\)
   Fail: (204) [system] n=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1154036)
   Call: (205) [system] peek_char((0x563acd73bee0), _1154970)
   Exit: (205) [system] peek_char((0x563acd73bee0), t)
^  Call: (205) [user] is_delimiter(t)
   Call: (206) [system] char_type(t, space)
   Fail: (206) [system] char_type(t, space)
   Call: (206) [system] arg(_1159690, v('(', ')', end_of_file), t)
   Fail: (206) [system] arg(_1160622, v('(', ')', end_of_file), t)
^  Fail: (205) [user] is_delimiter(t)
   Call: (205) [system] ')'==t
   Fail: (205) [system] ')'==t
   Call: (205) [system] get_char((0x563acd73bee0), t)
   Exit: (205) [system] get_char((0x563acd73bee0), t)
   Call: (205) [system] t=(\)
   Fail: (205) [system] t=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1167972)
   Call: (206) [system] peek_char((0x563acd73bee0), _1168906)
   Exit: (206) [system] peek_char((0x563acd73bee0), h)
^  Call: (206) [user] is_delimiter(h)
   Call: (207) [system] char_type(h, space)
   Fail: (207) [system] char_type(h, space)
   Call: (207) [system] arg(_1173626, v('(', ')', end_of_file), h)
   Fail: (207) [system] arg(_1174558, v('(', ')', end_of_file), h)
^  Fail: (206) [user] is_delimiter(h)
   Call: (206) [system] ')'==h
   Fail: (206) [system] ')'==h
   Call: (206) [system] get_char((0x563acd73bee0), h)
   Exit: (206) [system] get_char((0x563acd73bee0), h)
   Call: (206) [system] h=(\)
   Fail: (206) [system] h=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1181908)
   Call: (207) [system] peek_char((0x563acd73bee0), _1182842)
   Exit: (207) [system] peek_char((0x563acd73bee0), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_1187562, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_1188494, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x563acd73bee0), e)
   Exit: (207) [system] get_char((0x563acd73bee0), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1195844)
   Call: (208) [system] peek_char((0x563acd73bee0), _1196778)
   Exit: (208) [system] peek_char((0x563acd73bee0), s)
^  Call: (208) [user] is_delimiter(s)
   Call: (209) [system] char_type(s, space)
   Fail: (209) [system] char_type(s, space)
   Call: (209) [system] arg(_1201498, v('(', ')', end_of_file), s)
   Fail: (209) [system] arg(_1202430, v('(', ')', end_of_file), s)
^  Fail: (208) [user] is_delimiter(s)
   Call: (208) [system] ')'==s
   Fail: (208) [system] ')'==s
   Call: (208) [system] get_char((0x563acd73bee0), s)
   Exit: (208) [system] get_char((0x563acd73bee0), s)
   Call: (208) [system] s=(\)
   Fail: (208) [system] s=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1209780)
   Call: (209) [system] peek_char((0x563acd73bee0), _1210714)
   Exit: (209) [system] peek_char((0x563acd73bee0), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_1215434, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_1216366, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x563acd73bee0), i)
   Exit: (209) [system] get_char((0x563acd73bee0), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1223716)
   Call: (210) [system] peek_char((0x563acd73bee0), _1224650)
   Exit: (210) [system] peek_char((0x563acd73bee0), z)
^  Call: (210) [user] is_delimiter(z)
   Call: (211) [system] char_type(z, space)
   Fail: (211) [system] char_type(z, space)
   Call: (211) [system] arg(_1229370, v('(', ')', end_of_file), z)
   Fail: (211) [system] arg(_1230302, v('(', ')', end_of_file), z)
^  Fail: (210) [user] is_delimiter(z)
   Call: (210) [system] ')'==z
   Fail: (210) [system] ')'==z
   Call: (210) [system] get_char((0x563acd73bee0), z)
   Exit: (210) [system] get_char((0x563acd73bee0), z)
   Call: (210) [system] z=(\)
   Fail: (210) [system] z=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1237652)
   Call: (211) [system] peek_char((0x563acd73bee0), _1238586)
   Exit: (211) [system] peek_char((0x563acd73bee0), e)
^  Call: (211) [user] is_delimiter(e)
   Call: (212) [system] char_type(e, space)
   Fail: (212) [system] char_type(e, space)
   Call: (212) [system] arg(_1243306, v('(', ')', end_of_file), e)
   Fail: (212) [system] arg(_1244238, v('(', ')', end_of_file), e)
^  Fail: (211) [user] is_delimiter(e)
   Call: (211) [system] ')'==e
   Fail: (211) [system] ')'==e
   Call: (211) [system] get_char((0x563acd73bee0), e)
   Exit: (211) [system] get_char((0x563acd73bee0), e)
   Call: (211) [system] e=(\)
   Fail: (211) [system] e=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1251588)
   Call: (212) [system] peek_char((0x563acd73bee0), _1252522)
   Exit: (212) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _1251588=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (211) [system] _1237652=[e]
   Exit: (211) [system] [e]=[e]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [e])
   Call: (210) [system] _1223716=[z, e]
   Exit: (210) [system] [z, e]=[z, e]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [z, e])
   Call: (209) [system] _1209780=[i, z, e]
   Exit: (209) [system] [i, z, e]=[i, z, e]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, z, e])
   Call: (208) [system] _1195844=[s, i, z, e]
   Exit: (208) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, i, z, e])
   Call: (207) [system] _1181908=[e, s, i, z, e]
   Exit: (207) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, s, i, z, e])
   Call: (206) [system] _1167972=[h, e, s, i, z, e]
   Exit: (206) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [h, e, s, i, z, e])
   Call: (205) [system] _1154036=[t, h, e, s, i, z, e]
   Exit: (205) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, h, e, s, i, z, e])
   Call: (204) [system] _1140100=[n, t, h, e, s, i, z, e]
   Exit: (204) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, h, e, s, i, z, e])
   Call: (203) [system] _1126164=[y, n, t, h, e, s, i, z, e]
   Exit: (203) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [y, n, t, h, e, s, i, z, e])
^  Call: (202) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _1090654)
^  Call: (203) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _1286952)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_1287904, _1287906), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _1286952), _1287886, fail)), '$restore_trace'(_1287904, _1287906))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_1287904, _1287906))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _1287886, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(synthesize)
   Exit: (204) [system] atomic(synthesize)
^  Exit: (203) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (203) [system] integer(synthesize)
   Fail: (203) [system] integer(synthesize)
   Call: (203) [system] _1090654=synthesize
   Exit: (203) [system] synthesize=synthesize
^  Exit: (202) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (201) [user] read_symbolic(')', (0x563acd73bee0), s, synthesize)
^  Exit: (200) [user] cont_sexpr(')', (0x563acd73bee0), synthesize)
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _1300032)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1301890)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x563acd73bee0), _1311484)
   Exit: (202) [system] get_char((0x563acd73bee0), ' ')
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1314188)
   Exit: (203) [system] peek_char((0x563acd73bee0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1331122)
   Exit: (201) [system] peek_char((0x563acd73bee0), '(')
   Call: (201) [system] '('=')'
   Fail: (201) [system] '('=')'
   Call: (201) [system] '('=end_of_file
   Fail: (201) [system] '('=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x563acd73bee0), _1336692)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1338550)
   Exit: (203) [system] peek_char((0x563acd73bee0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] get_char((0x563acd73bee0), _1354560)
   Exit: (202) [system] get_char((0x563acd73bee0), '(')
   Call: (202) [system] '('='('
   Exit: (202) [system] '('='('
^  Call: (202) [user] read_list(')', (0x563acd73bee0), _1336692)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1360130)
   Exit: (204) [system] peek_char((0x563acd73bee0), :)
   Call: (204) [system] (:)=(;)
   Fail: (204) [system] (:)=(;)
   Call: (204) [system] (:)=(/)
   Fail: (204) [system] (:)=(/)
^  Call: (204) [user] is_like_space(:)
   Call: (205) [system] char_type(:, 'white')
   Fail: (205) [system] char_type(:, 'white')
   Call: (205) [system] char_type(:, end_of_line)
   Fail: (205) [system] char_type(:, end_of_line)
   Call: (205) [system] char_type(:, space)
   Fail: (205) [system] char_type(:, space)
   Call: (205) [system] char_type(:, cntrl)
   Fail: (205) [system] char_type(:, cntrl)
^  Fail: (204) [user] is_like_space(:)
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1376140)
   Exit: (203) [system] peek_char((0x563acd73bee0), :)
   Call: (203) [system] (:)=')'
   Fail: (203) [system] (:)=')'
   Call: (203) [system] (:)=end_of_file
   Fail: (203) [system] (:)=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x563acd73bee0), _1381710)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1383568)
   Exit: (205) [system] peek_char((0x563acd73bee0), :)
   Call: (205) [system] (:)=(;)
   Fail: (205) [system] (:)=(;)
   Call: (205) [system] (:)=(/)
   Fail: (205) [system] (:)=(/)
^  Call: (205) [user] is_like_space(:)
   Call: (206) [system] char_type(:, 'white')
   Fail: (206) [system] char_type(:, 'white')
   Call: (206) [system] char_type(:, end_of_line)
   Fail: (206) [system] char_type(:, end_of_line)
   Call: (206) [system] char_type(:, space)
   Fail: (206) [system] char_type(:, space)
   Call: (206) [system] char_type(:, cntrl)
   Fail: (206) [system] char_type(:, cntrl)
^  Fail: (205) [user] is_like_space(:)
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] get_char((0x563acd73bee0), _1399578)
   Exit: (204) [system] get_char((0x563acd73bee0), :)
   Call: (204) [system] (:)='('
   Fail: (204) [system] (:)='('
   Call: (204) [system] (:)='['
   Fail: (204) [system] (:)='['
   Call: (204) [system] (:)='{'
   Fail: (204) [system] (:)='{'
   Call: (204) [system] (:)='"'
   Fail: (204) [system] (:)='"'
   Call: (204) [system] (:)=!
   Fail: (204) [system] (:)=!
   Call: (204) [system] (:)='\''
   Fail: (204) [system] (:)='\''
   Call: (204) [system] (:)='`'
   Fail: (204) [system] (:)='`'
   Call: (204) [system] (:)=end_of_file
   Fail: (204) [system] (:)=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x563acd73bee0), :, _1381710)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1417220)
   Call: (206) [system] peek_char((0x563acd73bee0), _1418154)
   Exit: (206) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _1417220=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (205) [user] classify_and_convert_charseq([:], _1381710)
^  Call: (206) [user] classify_and_convert_charseq_([:], _1427438)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_1428390, _1428392), once(user:catch(read_from_chars([:], _1427438), _1428372, fail)), '$restore_trace'(_1428390, _1428392))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_1428390, _1428392))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1428372, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(:)
   Exit: (207) [system] atomic(:)
^  Exit: (206) [user] classify_and_convert_charseq_([:], :)
   Call: (206) [system] integer(:)
   Fail: (206) [system] integer(:)
   Call: (206) [system] _1381710=(:)
   Exit: (206) [system] (:)=(:)
^  Exit: (205) [user] classify_and_convert_charseq([:], :)
^  Exit: (204) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (203) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (203) [user] read_list(')', (0x563acd73bee0), _1440518)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1442376)
   Exit: (205) [system] peek_char((0x563acd73bee0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x563acd73bee0), _1451970)
   Exit: (205) [system] get_char((0x563acd73bee0), ' ')
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1454674)
   Exit: (206) [system] peek_char((0x563acd73bee0), $)
   Call: (206) [system] ($)=(;)
   Fail: (206) [system] ($)=(;)
   Call: (206) [system] ($)=(/)
   Fail: (206) [system] ($)=(/)
^  Call: (206) [user] is_like_space($)
   Call: (207) [system] char_type($, 'white')
   Fail: (207) [system] char_type($, 'white')
   Call: (207) [system] char_type($, end_of_line)
   Fail: (207) [system] char_type($, end_of_line)
   Call: (207) [system] char_type($, space)
   Fail: (207) [system] char_type($, space)
   Call: (207) [system] char_type($, cntrl)
   Fail: (207) [system] char_type($, cntrl)
^  Fail: (206) [user] is_like_space($)
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1471608)
   Exit: (204) [system] peek_char((0x563acd73bee0), $)
   Call: (204) [system] ($)=')'
   Fail: (204) [system] ($)=')'
   Call: (204) [system] ($)=end_of_file
   Fail: (204) [system] ($)=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x563acd73bee0), _1477178)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1479036)
   Exit: (206) [system] peek_char((0x563acd73bee0), $)
   Call: (206) [system] ($)=(;)
   Fail: (206) [system] ($)=(;)
   Call: (206) [system] ($)=(/)
   Fail: (206) [system] ($)=(/)
^  Call: (206) [user] is_like_space($)
   Call: (207) [system] char_type($, 'white')
   Fail: (207) [system] char_type($, 'white')
   Call: (207) [system] char_type($, end_of_line)
   Fail: (207) [system] char_type($, end_of_line)
   Call: (207) [system] char_type($, space)
   Fail: (207) [system] char_type($, space)
   Call: (207) [system] char_type($, cntrl)
   Fail: (207) [system] char_type($, cntrl)
^  Fail: (206) [user] is_like_space($)
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] get_char((0x563acd73bee0), _1495046)
   Exit: (205) [system] get_char((0x563acd73bee0), $)
   Call: (205) [system] ($)='('
   Fail: (205) [system] ($)='('
   Call: (205) [system] ($)='['
   Fail: (205) [system] ($)='['
   Call: (205) [system] ($)='{'
   Fail: (205) [system] ($)='{'
   Call: (205) [system] ($)='"'
   Fail: (205) [system] ($)='"'
   Call: (205) [system] ($)=!
   Fail: (205) [system] ($)=!
   Call: (205) [system] ($)='\''
   Fail: (205) [system] ($)='\''
   Call: (205) [system] ($)='`'
   Fail: (205) [system] ($)='`'
   Call: (205) [system] ($)=end_of_file
   Fail: (205) [system] ($)=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x563acd73bee0), $, _1477178)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1512688)
   Call: (207) [system] peek_char((0x563acd73bee0), _1513622)
   Exit: (207) [system] peek_char((0x563acd73bee0), p)
^  Call: (207) [user] is_delimiter(p)
   Call: (208) [system] char_type(p, space)
   Fail: (208) [system] char_type(p, space)
   Call: (208) [system] arg(_1518342, v('(', ')', end_of_file), p)
   Fail: (208) [system] arg(_1519274, v('(', ')', end_of_file), p)
^  Fail: (207) [user] is_delimiter(p)
   Call: (207) [system] ')'==p
   Fail: (207) [system] ')'==p
   Call: (207) [system] get_char((0x563acd73bee0), p)
   Exit: (207) [system] get_char((0x563acd73bee0), p)
   Call: (207) [system] p=(\)
   Fail: (207) [system] p=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1526624)
   Call: (208) [system] peek_char((0x563acd73bee0), _1527558)
   Exit: (208) [system] peek_char((0x563acd73bee0), r)
^  Call: (208) [user] is_delimiter(r)
   Call: (209) [system] char_type(r, space)
   Fail: (209) [system] char_type(r, space)
   Call: (209) [system] arg(_1532278, v('(', ')', end_of_file), r)
   Fail: (209) [system] arg(_1533210, v('(', ')', end_of_file), r)
^  Fail: (208) [user] is_delimiter(r)
   Call: (208) [system] ')'==r
   Fail: (208) [system] ')'==r
   Call: (208) [system] get_char((0x563acd73bee0), r)
   Exit: (208) [system] get_char((0x563acd73bee0), r)
   Call: (208) [system] r=(\)
   Fail: (208) [system] r=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1540560)
   Call: (209) [system] peek_char((0x563acd73bee0), _1541494)
   Exit: (209) [system] peek_char((0x563acd73bee0), o)
^  Call: (209) [user] is_delimiter(o)
   Call: (210) [system] char_type(o, space)
   Fail: (210) [system] char_type(o, space)
   Call: (210) [system] arg(_1546214, v('(', ')', end_of_file), o)
   Fail: (210) [system] arg(_1547146, v('(', ')', end_of_file), o)
^  Fail: (209) [user] is_delimiter(o)
   Call: (209) [system] ')'==o
   Fail: (209) [system] ')'==o
   Call: (209) [system] get_char((0x563acd73bee0), o)
   Exit: (209) [system] get_char((0x563acd73bee0), o)
   Call: (209) [system] o=(\)
   Fail: (209) [system] o=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1554496)
   Call: (210) [system] peek_char((0x563acd73bee0), _1555430)
   Exit: (210) [system] peek_char((0x563acd73bee0), o)
^  Call: (210) [user] is_delimiter(o)
   Call: (211) [system] char_type(o, space)
   Fail: (211) [system] char_type(o, space)
   Call: (211) [system] arg(_1560150, v('(', ')', end_of_file), o)
   Fail: (211) [system] arg(_1561082, v('(', ')', end_of_file), o)
^  Fail: (210) [user] is_delimiter(o)
   Call: (210) [system] ')'==o
   Fail: (210) [system] ')'==o
   Call: (210) [system] get_char((0x563acd73bee0), o)
   Exit: (210) [system] get_char((0x563acd73bee0), o)
   Call: (210) [system] o=(\)
   Fail: (210) [system] o=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1568432)
   Call: (211) [system] peek_char((0x563acd73bee0), _1569366)
   Exit: (211) [system] peek_char((0x563acd73bee0), f)
^  Call: (211) [user] is_delimiter(f)
   Call: (212) [system] char_type(f, space)
   Fail: (212) [system] char_type(f, space)
   Call: (212) [system] arg(_1574086, v('(', ')', end_of_file), f)
   Fail: (212) [system] arg(_1575018, v('(', ')', end_of_file), f)
^  Fail: (211) [user] is_delimiter(f)
   Call: (211) [system] ')'==f
   Fail: (211) [system] ')'==f
   Call: (211) [system] get_char((0x563acd73bee0), f)
   Exit: (211) [system] get_char((0x563acd73bee0), f)
   Call: (211) [system] f=(\)
   Fail: (211) [system] f=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1582368)
   Call: (212) [system] peek_char((0x563acd73bee0), _1583302)
   Exit: (212) [system] peek_char((0x563acd73bee0), '5')
^  Call: (212) [user] is_delimiter('5')
   Call: (213) [system] char_type('5', space)
   Fail: (213) [system] char_type('5', space)
   Call: (213) [system] arg(_1588022, v('(', ')', end_of_file), '5')
   Fail: (213) [system] arg(_1588954, v('(', ')', end_of_file), '5')
^  Fail: (212) [user] is_delimiter('5')
   Call: (212) [system] ')'=='5'
   Fail: (212) [system] ')'=='5'
   Call: (212) [system] get_char((0x563acd73bee0), '5')
   Exit: (212) [system] get_char((0x563acd73bee0), '5')
   Call: (212) [system] '5'=(\)
   Fail: (212) [system] '5'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _1596304)
   Call: (213) [system] peek_char((0x563acd73bee0), _1597238)
   Exit: (213) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (213) [user] is_delimiter(' ')
   Call: (214) [system] char_type(' ', space)
   Exit: (214) [system] char_type(' ', space)
^  Exit: (213) [user] is_delimiter(' ')
   Call: (213) [system] _1596304=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (212) [system] _1582368=['5']
   Exit: (212) [system] ['5']=['5']
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), ['5'])
   Call: (211) [system] _1568432=[f, '5']
   Exit: (211) [system] [f, '5']=[f, '5']
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [f, '5'])
   Call: (210) [system] _1554496=[o, f, '5']
   Exit: (210) [system] [o, f, '5']=[o, f, '5']
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, f, '5'])
   Call: (209) [system] _1540560=[o, o, f, '5']
   Exit: (209) [system] [o, o, f, '5']=[o, o, f, '5']
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, o, f, '5'])
   Call: (208) [system] _1526624=[r, o, o, f, '5']
   Exit: (208) [system] [r, o, o, f, '5']=[r, o, o, f, '5']
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, o, f, '5'])
   Call: (207) [system] _1512688=[p, r, o, o, f, '5']
   Exit: (207) [system] [p, r, o, o, f, '5']=[p, r, o, o, f, '5']
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, o, o, f, '5'])
^  Call: (206) [user] classify_and_convert_charseq([$, p, r, o, o, f, '5'], _1477178)
^  Call: (207) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '5'], _1623286)
   Call: (208) [system] atom_chars(_1624218, ['_', p, r, o, o, f, '5'])
   Exit: (208) [system] atom_chars('_proof5', ['_', p, r, o, o, f, '5'])
^  Exit: (207) [user] classify_and_convert_charseq_([$, p, r, o, o, f, '5'], _proof5)
   Call: (207) [system] integer(_proof5)
   Fail: (207) [system] integer(_proof5)
   Call: (207) [system] _1477178=_proof5
   Exit: (207) [system] _proof5=_proof5
^  Exit: (206) [user] classify_and_convert_charseq([$, p, r, o, o, f, '5'], _proof5)
^  Exit: (205) [user] read_symbolic(')', (0x563acd73bee0), $, _proof5)
^  Exit: (204) [user] cont_sexpr(')', (0x563acd73bee0), _proof5)
^  Call: (204) [user] read_list(')', (0x563acd73bee0), _1633510)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1635368)
   Exit: (206) [system] peek_char((0x563acd73bee0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
   Call: (206) [system] ' '=(/)
   Fail: (206) [system] ' '=(/)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x563acd73bee0), _1644962)
   Exit: (206) [system] get_char((0x563acd73bee0), ' ')
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1647666)
   Exit: (207) [system] peek_char((0x563acd73bee0), $)
   Call: (207) [system] ($)=(;)
   Fail: (207) [system] ($)=(;)
   Call: (207) [system] ($)=(/)
   Fail: (207) [system] ($)=(/)
^  Call: (207) [user] is_like_space($)
   Call: (208) [system] char_type($, 'white')
   Fail: (208) [system] char_type($, 'white')
   Call: (208) [system] char_type($, end_of_line)
   Fail: (208) [system] char_type($, end_of_line)
   Call: (208) [system] char_type($, space)
   Fail: (208) [system] char_type($, space)
   Call: (208) [system] char_type($, cntrl)
   Fail: (208) [system] char_type($, cntrl)
^  Fail: (207) [user] is_like_space($)
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1664600)
   Exit: (205) [system] peek_char((0x563acd73bee0), $)
   Call: (205) [system] ($)=')'
   Fail: (205) [system] ($)=')'
   Call: (205) [system] ($)=end_of_file
   Fail: (205) [system] ($)=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x563acd73bee0), _1670170)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1672028)
   Exit: (207) [system] peek_char((0x563acd73bee0), $)
   Call: (207) [system] ($)=(;)
   Fail: (207) [system] ($)=(;)
   Call: (207) [system] ($)=(/)
   Fail: (207) [system] ($)=(/)
^  Call: (207) [user] is_like_space($)
   Call: (208) [system] char_type($, 'white')
   Fail: (208) [system] char_type($, 'white')
   Call: (208) [system] char_type($, end_of_line)
   Fail: (208) [system] char_type($, end_of_line)
   Call: (208) [system] char_type($, space)
   Fail: (208) [system] char_type($, space)
   Call: (208) [system] char_type($, cntrl)
   Fail: (208) [system] char_type($, cntrl)
^  Fail: (207) [user] is_like_space($)
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] get_char((0x563acd73bee0), _1688038)
   Exit: (206) [system] get_char((0x563acd73bee0), $)
   Call: (206) [system] ($)='('
   Fail: (206) [system] ($)='('
   Call: (206) [system] ($)='['
   Fail: (206) [system] ($)='['
   Call: (206) [system] ($)='{'
   Fail: (206) [system] ($)='{'
   Call: (206) [system] ($)='"'
   Fail: (206) [system] ($)='"'
   Call: (206) [system] ($)=!
   Fail: (206) [system] ($)=!
   Call: (206) [system] ($)='\''
   Fail: (206) [system] ($)='\''
   Call: (206) [system] ($)='`'
   Fail: (206) [system] ($)='`'
   Call: (206) [system] ($)=end_of_file
   Fail: (206) [system] ($)=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x563acd73bee0), $, _1670170)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1705680)
   Call: (208) [system] peek_char((0x563acd73bee0), _1706614)
   Exit: (208) [system] peek_char((0x563acd73bee0), p)
^  Call: (208) [user] is_delimiter(p)
   Call: (209) [system] char_type(p, space)
   Fail: (209) [system] char_type(p, space)
   Call: (209) [system] arg(_1711334, v('(', ')', end_of_file), p)
   Fail: (209) [system] arg(_1712266, v('(', ')', end_of_file), p)
^  Fail: (208) [user] is_delimiter(p)
   Call: (208) [system] ')'==p
   Fail: (208) [system] ')'==p
   Call: (208) [system] get_char((0x563acd73bee0), p)
   Exit: (208) [system] get_char((0x563acd73bee0), p)
   Call: (208) [system] p=(\)
   Fail: (208) [system] p=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1719616)
   Call: (209) [system] peek_char((0x563acd73bee0), _1720550)
   Exit: (209) [system] peek_char((0x563acd73bee0), r)
^  Call: (209) [user] is_delimiter(r)
   Call: (210) [system] char_type(r, space)
   Fail: (210) [system] char_type(r, space)
   Call: (210) [system] arg(_1725270, v('(', ')', end_of_file), r)
   Fail: (210) [system] arg(_1726202, v('(', ')', end_of_file), r)
^  Fail: (209) [user] is_delimiter(r)
   Call: (209) [system] ')'==r
   Fail: (209) [system] ')'==r
   Call: (209) [system] get_char((0x563acd73bee0), r)
   Exit: (209) [system] get_char((0x563acd73bee0), r)
   Call: (209) [system] r=(\)
   Fail: (209) [system] r=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1733552)
   Call: (210) [system] peek_char((0x563acd73bee0), _1734486)
   Exit: (210) [system] peek_char((0x563acd73bee0), e)
^  Call: (210) [user] is_delimiter(e)
   Call: (211) [system] char_type(e, space)
   Fail: (211) [system] char_type(e, space)
   Call: (211) [system] arg(_1739206, v('(', ')', end_of_file), e)
   Fail: (211) [system] arg(_1740138, v('(', ')', end_of_file), e)
^  Fail: (210) [user] is_delimiter(e)
   Call: (210) [system] ')'==e
   Fail: (210) [system] ')'==e
   Call: (210) [system] get_char((0x563acd73bee0), e)
   Exit: (210) [system] get_char((0x563acd73bee0), e)
   Call: (210) [system] e=(\)
   Fail: (210) [system] e=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1747488)
   Call: (211) [system] peek_char((0x563acd73bee0), _1748422)
   Exit: (211) [system] peek_char((0x563acd73bee0), m)
^  Call: (211) [user] is_delimiter(m)
   Call: (212) [system] char_type(m, space)
   Fail: (212) [system] char_type(m, space)
   Call: (212) [system] arg(_1753142, v('(', ')', end_of_file), m)
   Fail: (212) [system] arg(_1754074, v('(', ')', end_of_file), m)
^  Fail: (211) [user] is_delimiter(m)
   Call: (211) [system] ')'==m
   Fail: (211) [system] ')'==m
   Call: (211) [system] get_char((0x563acd73bee0), m)
   Exit: (211) [system] get_char((0x563acd73bee0), m)
   Call: (211) [system] m=(\)
   Fail: (211) [system] m=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1761424)
   Call: (212) [system] peek_char((0x563acd73bee0), _1762358)
   Exit: (212) [system] peek_char((0x563acd73bee0), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_1767078, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_1768010, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x563acd73bee0), i)
   Exit: (212) [system] get_char((0x563acd73bee0), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _1775360)
   Call: (213) [system] peek_char((0x563acd73bee0), _1776294)
   Exit: (213) [system] peek_char((0x563acd73bee0), s)
^  Call: (213) [user] is_delimiter(s)
   Call: (214) [system] char_type(s, space)
   Fail: (214) [system] char_type(s, space)
   Call: (214) [system] arg(_1781014, v('(', ')', end_of_file), s)
   Fail: (214) [system] arg(_1781946, v('(', ')', end_of_file), s)
^  Fail: (213) [user] is_delimiter(s)
   Call: (213) [system] ')'==s
   Fail: (213) [system] ')'==s
   Call: (213) [system] get_char((0x563acd73bee0), s)
   Exit: (213) [system] get_char((0x563acd73bee0), s)
   Call: (213) [system] s=(\)
   Fail: (213) [system] s=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _1789296)
   Call: (214) [system] peek_char((0x563acd73bee0), _1790230)
   Exit: (214) [system] peek_char((0x563acd73bee0), e)
^  Call: (214) [user] is_delimiter(e)
   Call: (215) [system] char_type(e, space)
   Fail: (215) [system] char_type(e, space)
   Call: (215) [system] arg(_1794950, v('(', ')', end_of_file), e)
   Fail: (215) [system] arg(_1795882, v('(', ')', end_of_file), e)
^  Fail: (214) [user] is_delimiter(e)
   Call: (214) [system] ')'==e
   Fail: (214) [system] ')'==e
   Call: (214) [system] get_char((0x563acd73bee0), e)
   Exit: (214) [system] get_char((0x563acd73bee0), e)
   Call: (214) [system] e=(\)
   Fail: (214) [system] e=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _1803232)
   Call: (215) [system] peek_char((0x563acd73bee0), _1804166)
   Exit: (215) [system] peek_char((0x563acd73bee0), '5')
^  Call: (215) [user] is_delimiter('5')
   Call: (216) [system] char_type('5', space)
   Fail: (216) [system] char_type('5', space)
   Call: (216) [system] arg(_1808886, v('(', ')', end_of_file), '5')
   Fail: (216) [system] arg(_1809818, v('(', ')', end_of_file), '5')
^  Fail: (215) [user] is_delimiter('5')
   Call: (215) [system] ')'=='5'
   Fail: (215) [system] ')'=='5'
   Call: (215) [system] get_char((0x563acd73bee0), '5')
   Exit: (215) [system] get_char((0x563acd73bee0), '5')
   Call: (215) [system] '5'=(\)
   Fail: (215) [system] '5'=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _1817168)
   Call: (216) [system] peek_char((0x563acd73bee0), _1818102)
   Exit: (216) [system] peek_char((0x563acd73bee0), ')')
^  Call: (216) [user] is_delimiter(')')
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] arg(_1822822, v('(', ')', end_of_file), ')')
   Exit: (217) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (216) [user] is_delimiter(')')
   Call: (216) [system] _1817168=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (215) [system] _1803232=['5']
   Exit: (215) [system] ['5']=['5']
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), ['5'])
   Call: (214) [system] _1789296=[e, '5']
   Exit: (214) [system] [e, '5']=[e, '5']
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, '5'])
   Call: (213) [system] _1775360=[s, e, '5']
   Exit: (213) [system] [s, e, '5']=[s, e, '5']
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, e, '5'])
   Call: (212) [system] _1761424=[i, s, e, '5']
   Exit: (212) [system] [i, s, e, '5']=[i, s, e, '5']
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, e, '5'])
   Call: (211) [system] _1747488=[m, i, s, e, '5']
   Exit: (211) [system] [m, i, s, e, '5']=[m, i, s, e, '5']
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, i, s, e, '5'])
   Call: (210) [system] _1733552=[e, m, i, s, e, '5']
   Exit: (210) [system] [e, m, i, s, e, '5']=[e, m, i, s, e, '5']
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, m, i, s, e, '5'])
   Call: (209) [system] _1719616=[r, e, m, i, s, e, '5']
   Exit: (209) [system] [r, e, m, i, s, e, '5']=[r, e, m, i, s, e, '5']
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, e, m, i, s, e, '5'])
   Call: (208) [system] _1705680=[p, r, e, m, i, s, e, '5']
   Exit: (208) [system] [p, r, e, m, i, s, e, '5']=[p, r, e, m, i, s, e, '5']
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, r, e, m, i, s, e, '5'])
^  Call: (207) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '5'], _1670170)
^  Call: (208) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '5'], _1851610)
   Call: (209) [system] atom_chars(_1852542, ['_', p, r, e, m, i, s, e, '5'])
   Exit: (209) [system] atom_chars('_premise5', ['_', p, r, e, m, i, s, e, '5'])
^  Exit: (208) [user] classify_and_convert_charseq_([$, p, r, e, m, i, s, e, '5'], _premise5)
   Call: (208) [system] integer(_premise5)
   Fail: (208) [system] integer(_premise5)
   Call: (208) [system] _1670170=_premise5
   Exit: (208) [system] _premise5=_premise5
^  Exit: (207) [user] classify_and_convert_charseq([$, p, r, e, m, i, s, e, '5'], _premise5)
^  Exit: (206) [user] read_symbolic(')', (0x563acd73bee0), $, _premise5)
^  Exit: (205) [user] cont_sexpr(')', (0x563acd73bee0), _premise5)
^  Call: (205) [user] read_list(')', (0x563acd73bee0), _1861834)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1863692)
   Exit: (207) [system] peek_char((0x563acd73bee0), ')')
   Call: (207) [system] ')'=(;)
   Fail: (207) [system] ')'=(;)
   Call: (207) [system] ')'=(/)
   Fail: (207) [system] ')'=(/)
^  Call: (207) [user] is_like_space(')')
   Call: (208) [system] char_type(')', 'white')
   Fail: (208) [system] char_type(')', 'white')
   Call: (208) [system] char_type(')', end_of_line)
   Fail: (208) [system] char_type(')', end_of_line)
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] char_type(')', cntrl)
   Fail: (208) [system] char_type(')', cntrl)
^  Fail: (207) [user] is_like_space(')')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1879702)
   Exit: (206) [system] peek_char((0x563acd73bee0), ')')
   Call: (206) [system] ')'=')'
   Exit: (206) [system] ')'=')'
   Call: (206) [system] get_char((0x563acd73bee0), _1883492)
   Exit: (206) [system] get_char((0x563acd73bee0), ')')
   Call: (206) [system] _1861834=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_list(')', (0x563acd73bee0), [])
   Call: (205) [system] _1633510=[_premise5]
   Exit: (205) [system] [_premise5]=[_premise5]
^  Exit: (204) [user] read_list(')', (0x563acd73bee0), [_premise5])
   Call: (204) [system] _1440518=[_proof5, _premise5]
   Exit: (204) [system] [_proof5, _premise5]=[_proof5, _premise5]
^  Exit: (203) [user] read_list(')', (0x563acd73bee0), [_proof5, _premise5])
   Call: (203) [system] _1336692=[:, _proof5, _premise5]
   Exit: (203) [system] [:, _proof5, _premise5]=[:, _proof5, _premise5]
^  Exit: (202) [user] read_list(')', (0x563acd73bee0), [:, _proof5, _premise5])
^  Exit: (201) [user] cont_sexpr(')', (0x563acd73bee0), [:, _proof5, _premise5])
^  Call: (201) [user] read_list(')', (0x563acd73bee0), _1897374)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1899232)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x563acd73bee0), _1908826)
   Exit: (203) [system] get_char((0x563acd73bee0), ' ')
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1911530)
   Exit: (204) [system] peek_char((0x563acd73bee0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1928464)
   Exit: (202) [system] peek_char((0x563acd73bee0), $)
   Call: (202) [system] ($)=')'
   Fail: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x563acd73bee0), _1934034)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1935892)
   Exit: (204) [system] peek_char((0x563acd73bee0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
   Call: (204) [system] ($)=(/)
   Fail: (204) [system] ($)=(/)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] get_char((0x563acd73bee0), _1951902)
   Exit: (203) [system] get_char((0x563acd73bee0), $)
   Call: (203) [system] ($)='('
   Fail: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Fail: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Fail: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Fail: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Fail: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Fail: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Fail: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x563acd73bee0), $, _1934034)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1969544)
   Call: (205) [system] peek_char((0x563acd73bee0), _1970478)
   Exit: (205) [system] peek_char((0x563acd73bee0), k)
^  Call: (205) [user] is_delimiter(k)
   Call: (206) [system] char_type(k, space)
   Fail: (206) [system] char_type(k, space)
   Call: (206) [system] arg(_1975198, v('(', ')', end_of_file), k)
   Fail: (206) [system] arg(_1976130, v('(', ')', end_of_file), k)
^  Fail: (205) [user] is_delimiter(k)
   Call: (205) [system] ')'==k
   Fail: (205) [system] ')'==k
   Call: (205) [system] get_char((0x563acd73bee0), k)
   Exit: (205) [system] get_char((0x563acd73bee0), k)
   Call: (205) [system] k=(\)
   Fail: (205) [system] k=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1983480)
   Call: (206) [system] peek_char((0x563acd73bee0), _1984414)
   Exit: (206) [system] peek_char((0x563acd73bee0), b)
^  Call: (206) [user] is_delimiter(b)
   Call: (207) [system] char_type(b, space)
   Fail: (207) [system] char_type(b, space)
   Call: (207) [system] arg(_1989134, v('(', ')', end_of_file), b)
   Fail: (207) [system] arg(_1990066, v('(', ')', end_of_file), b)
^  Fail: (206) [user] is_delimiter(b)
   Call: (206) [system] ')'==b
   Fail: (206) [system] ')'==b
   Call: (206) [system] get_char((0x563acd73bee0), b)
   Exit: (206) [system] get_char((0x563acd73bee0), b)
   Call: (206) [system] b=(\)
   Fail: (206) [system] b=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1997416)
   Call: (207) [system] peek_char((0x563acd73bee0), _1998350)
   Exit: (207) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _1997416=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (206) [system] _1983480=[b]
   Exit: (206) [system] [b]=[b]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
   Call: (205) [system] _1969544=[k, b]
   Exit: (205) [system] [k, b]=[k, b]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [k, b])
^  Call: (204) [user] classify_and_convert_charseq([$, k, b], _1934034)
^  Call: (205) [user] classify_and_convert_charseq_([$, k, b], _2013222)
   Call: (206) [system] atom_chars(_2014154, ['_', k, b])
   Exit: (206) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (205) [user] classify_and_convert_charseq_([$, k, b], _kb)
   Call: (205) [system] integer(_kb)
   Fail: (205) [system] integer(_kb)
   Call: (205) [system] _1934034=_kb
   Exit: (205) [system] _kb=_kb
^  Exit: (204) [user] classify_and_convert_charseq([$, k, b], _kb)
^  Exit: (203) [user] read_symbolic(')', (0x563acd73bee0), $, _kb)
^  Exit: (202) [user] cont_sexpr(')', (0x563acd73bee0), _kb)
^  Call: (202) [user] read_list(')', (0x563acd73bee0), _2023446)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _2025304)
   Exit: (204) [system] peek_char((0x563acd73bee0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x563acd73bee0), _2034898)
   Exit: (204) [system] get_char((0x563acd73bee0), ' ')
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _2037602)
   Exit: (205) [system] peek_char((0x563acd73bee0), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
   Call: (205) [system] ($)=(/)
   Fail: (205) [system] ($)=(/)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _2054536)
   Exit: (203) [system] peek_char((0x563acd73bee0), $)
   Call: (203) [system] ($)=')'
   Fail: (203) [system] ($)=')'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x563acd73bee0), _2060106)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _2061964)
   Exit: (205) [system] peek_char((0x563acd73bee0), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
   Call: (205) [system] ($)=(/)
   Fail: (205) [system] ($)=(/)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] get_char((0x563acd73bee0), _2077974)
   Exit: (204) [system] get_char((0x563acd73bee0), $)
   Call: (204) [system] ($)='('
   Fail: (204) [system] ($)='('
   Call: (204) [system] ($)='['
   Fail: (204) [system] ($)='['
   Call: (204) [system] ($)='{'
   Fail: (204) [system] ($)='{'
   Call: (204) [system] ($)='"'
   Fail: (204) [system] ($)='"'
   Call: (204) [system] ($)=!
   Fail: (204) [system] ($)=!
   Call: (204) [system] ($)='\''
   Fail: (204) [system] ($)='\''
   Call: (204) [system] ($)='`'
   Fail: (204) [system] ($)='`'
   Call: (204) [system] ($)=end_of_file
   Fail: (204) [system] ($)=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x563acd73bee0), $, _2060106)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _2095616)
   Call: (206) [system] peek_char((0x563acd73bee0), _4216)
   Exit: (206) [system] peek_char((0x563acd73bee0), r)
^  Call: (206) [user] is_delimiter(r)
   Call: (207) [system] char_type(r, space)
   Fail: (207) [system] char_type(r, space)
   Call: (207) [system] arg(_8678, v('(', ')', end_of_file), r)
   Fail: (207) [system] arg(_9610, v('(', ')', end_of_file), r)
^  Fail: (206) [user] is_delimiter(r)
   Call: (206) [system] ')'==r
   Fail: (206) [system] ')'==r
   Call: (206) [system] get_char((0x563acd73bee0), r)
   Exit: (206) [system] get_char((0x563acd73bee0), r)
   Call: (206) [system] r=(\)
   Fail: (206) [system] r=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _16960)
   Call: (207) [system] peek_char((0x563acd73bee0), _17894)
   Exit: (207) [system] peek_char((0x563acd73bee0), b)
^  Call: (207) [user] is_delimiter(b)
   Call: (208) [system] char_type(b, space)
   Fail: (208) [system] char_type(b, space)
   Call: (208) [system] arg(_22614, v('(', ')', end_of_file), b)
   Fail: (208) [system] arg(_23546, v('(', ')', end_of_file), b)
^  Fail: (207) [user] is_delimiter(b)
   Call: (207) [system] ')'==b
   Fail: (207) [system] ')'==b
   Call: (207) [system] get_char((0x563acd73bee0), b)
   Exit: (207) [system] get_char((0x563acd73bee0), b)
   Call: (207) [system] b=(\)
   Fail: (207) [system] b=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _30896)
   Call: (208) [system] peek_char((0x563acd73bee0), _31830)
   Exit: (208) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _30896=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (207) [system] _16960=[b]
   Exit: (207) [system] [b]=[b]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
   Call: (206) [system] _4212=[r, b]
   Exit: (206) [system] [r, b]=[r, b]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, b])
^  Call: (205) [user] classify_and_convert_charseq([$, r, b], _4208)
^  Call: (206) [user] classify_and_convert_charseq_([$, r, b], _46702)
   Call: (207) [system] atom_chars(_47634, ['_', r, b])
   Exit: (207) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (206) [user] classify_and_convert_charseq_([$, r, b], _rb)
   Call: (206) [system] integer(_rb)
   Fail: (206) [system] integer(_rb)
   Call: (206) [system] _4208=_rb
   Exit: (206) [system] _rb=_rb
^  Exit: (205) [user] classify_and_convert_charseq([$, r, b], _rb)
^  Exit: (204) [user] read_symbolic(')', (0x563acd73bee0), $, _rb)
^  Exit: (203) [user] cont_sexpr(')', (0x563acd73bee0), _rb)
^  Call: (203) [user] read_list(')', (0x563acd73bee0), _56926)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _58784)
   Exit: (205) [system] peek_char((0x563acd73bee0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x563acd73bee0), _68378)
   Exit: (205) [system] get_char((0x563acd73bee0), ' ')
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _71082)
   Exit: (206) [system] peek_char((0x563acd73bee0), $)
   Call: (206) [system] ($)=(;)
   Fail: (206) [system] ($)=(;)
   Call: (206) [system] ($)=(/)
   Fail: (206) [system] ($)=(/)
^  Call: (206) [user] is_like_space($)
   Call: (207) [system] char_type($, 'white')
   Fail: (207) [system] char_type($, 'white')
   Call: (207) [system] char_type($, end_of_line)
   Fail: (207) [system] char_type($, end_of_line)
   Call: (207) [system] char_type($, space)
   Fail: (207) [system] char_type($, space)
   Call: (207) [system] char_type($, cntrl)
   Fail: (207) [system] char_type($, cntrl)
^  Fail: (206) [user] is_like_space($)
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _88016)
   Exit: (204) [system] peek_char((0x563acd73bee0), $)
   Call: (204) [system] ($)=')'
   Fail: (204) [system] ($)=')'
   Call: (204) [system] ($)=end_of_file
   Fail: (204) [system] ($)=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x563acd73bee0), _93586)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _95444)
   Exit: (206) [system] peek_char((0x563acd73bee0), $)
   Call: (206) [system] ($)=(;)
   Fail: (206) [system] ($)=(;)
   Call: (206) [system] ($)=(/)
   Fail: (206) [system] ($)=(/)
^  Call: (206) [user] is_like_space($)
   Call: (207) [system] char_type($, 'white')
   Fail: (207) [system] char_type($, 'white')
   Call: (207) [system] char_type($, end_of_line)
   Fail: (207) [system] char_type($, end_of_line)
   Call: (207) [system] char_type($, space)
   Fail: (207) [system] char_type($, space)
   Call: (207) [system] char_type($, cntrl)
   Fail: (207) [system] char_type($, cntrl)
^  Fail: (206) [user] is_like_space($)
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] get_char((0x563acd73bee0), _111454)
   Exit: (205) [system] get_char((0x563acd73bee0), $)
   Call: (205) [system] ($)='('
   Fail: (205) [system] ($)='('
   Call: (205) [system] ($)='['
   Fail: (205) [system] ($)='['
   Call: (205) [system] ($)='{'
   Fail: (205) [system] ($)='{'
   Call: (205) [system] ($)='"'
   Fail: (205) [system] ($)='"'
   Call: (205) [system] ($)=!
   Fail: (205) [system] ($)=!
   Call: (205) [system] ($)='\''
   Fail: (205) [system] ($)='\''
   Call: (205) [system] ($)='`'
   Fail: (205) [system] ($)='`'
   Call: (205) [system] ($)=end_of_file
   Fail: (205) [system] ($)=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x563acd73bee0), $, _93586)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _129096)
   Call: (207) [system] peek_char((0x563acd73bee0), _130030)
   Exit: (207) [system] peek_char((0x563acd73bee0), k)
^  Call: (207) [user] is_delimiter(k)
   Call: (208) [system] char_type(k, space)
   Fail: (208) [system] char_type(k, space)
   Call: (208) [system] arg(_134750, v('(', ')', end_of_file), k)
   Fail: (208) [system] arg(_135682, v('(', ')', end_of_file), k)
^  Fail: (207) [user] is_delimiter(k)
   Call: (207) [system] ')'==k
   Fail: (207) [system] ')'==k
   Call: (207) [system] get_char((0x563acd73bee0), k)
   Exit: (207) [system] get_char((0x563acd73bee0), k)
   Call: (207) [system] k=(\)
   Fail: (207) [system] k=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _143032)
   Call: (208) [system] peek_char((0x563acd73bee0), _143966)
   Exit: (208) [system] peek_char((0x563acd73bee0), ')')
^  Call: (208) [user] is_delimiter(')')
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] arg(_148686, v('(', ')', end_of_file), ')')
   Exit: (209) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (208) [user] is_delimiter(')')
   Call: (208) [system] _143032=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (207) [system] _129096=[k]
   Exit: (207) [system] [k]=[k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
^  Call: (206) [user] classify_and_convert_charseq([$, k], _93586)
^  Call: (207) [user] classify_and_convert_charseq_([$, k], _157916)
   Call: (208) [system] atom_chars(_158848, ['_', k])
   Exit: (208) [system] atom_chars('_k', ['_', k])
^  Exit: (207) [user] classify_and_convert_charseq_([$, k], _k)
   Call: (207) [system] integer(_k)
   Fail: (207) [system] integer(_k)
   Call: (207) [system] _93586=_k
   Exit: (207) [system] _k=_k
^  Exit: (206) [user] classify_and_convert_charseq([$, k], _k)
^  Exit: (205) [user] read_symbolic(')', (0x563acd73bee0), $, _k)
^  Exit: (204) [user] cont_sexpr(')', (0x563acd73bee0), _k)
^  Call: (204) [user] read_list(')', (0x563acd73bee0), _168140)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _169998)
   Exit: (206) [system] peek_char((0x563acd73bee0), ')')
   Call: (206) [system] ')'=(;)
   Fail: (206) [system] ')'=(;)
   Call: (206) [system] ')'=(/)
   Fail: (206) [system] ')'=(/)
^  Call: (206) [user] is_like_space(')')
   Call: (207) [system] char_type(')', 'white')
   Fail: (207) [system] char_type(')', 'white')
   Call: (207) [system] char_type(')', end_of_line)
   Fail: (207) [system] char_type(')', end_of_line)
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] char_type(')', cntrl)
   Fail: (207) [system] char_type(')', cntrl)
^  Fail: (206) [user] is_like_space(')')
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _186008)
   Exit: (205) [system] peek_char((0x563acd73bee0), ')')
   Call: (205) [system] ')'=')'
   Exit: (205) [system] ')'=')'
   Call: (205) [system] get_char((0x563acd73bee0), _189798)
   Exit: (205) [system] get_char((0x563acd73bee0), ')')
   Call: (205) [system] _168140=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_list(')', (0x563acd73bee0), [])
   Call: (204) [system] _56926=[_k]
   Exit: (204) [system] [_k]=[_k]
^  Exit: (203) [user] read_list(')', (0x563acd73bee0), [_k])
   Call: (203) [system] _4204=[_rb, _k]
   Exit: (203) [system] [_rb, _k]=[_rb, _k]
^  Exit: (202) [user] read_list(')', (0x563acd73bee0), [_rb, _k])
   Call: (202) [system] _4194=[_kb, _rb, _k]
   Exit: (202) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (201) [user] read_list(')', (0x563acd73bee0), [_kb, _rb, _k])
   Call: (201) [system] _4162=[[:, _proof5, _premise5], _kb, _rb, _k]
   Exit: (201) [system] [[:, _proof5, _premise5], _kb, _rb, _k]=[[:, _proof5, _premise5], _kb, _rb, _k]
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), [[:, _proof5, _premise5], _kb, _rb, _k])
   Call: (200) [system] _4154=[synthesize, [:, _proof5, _premise5], _kb, _rb, _k]
   Exit: (200) [system] [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]=[synthesize, [:, _proof5, _premise5], _kb, _rb, _k]
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), [synthesize, [:, _proof5, _premise5], _kb, _rb, _k])
^  Exit: (198) [user] cont_sexpr(')', (0x563acd73bee0), [synthesize, [:, _proof5, _premise5], _kb, _rb, _k])
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _209268)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _211126)
   Exit: (200) [system] peek_char((0x563acd73bee0), ')')
   Call: (200) [system] ')'=(;)
   Fail: (200) [system] ')'=(;)
   Call: (200) [system] ')'=(/)
   Fail: (200) [system] ')'=(/)
^  Call: (200) [user] is_like_space(')')
   Call: (201) [system] char_type(')', 'white')
   Fail: (201) [system] char_type(')', 'white')
   Call: (201) [system] char_type(')', end_of_line)
   Fail: (201) [system] char_type(')', end_of_line)
   Call: (201) [system] char_type(')', space)
   Fail: (201) [system] char_type(')', space)
   Call: (201) [system] char_type(')', cntrl)
   Fail: (201) [system] char_type(')', cntrl)
^  Fail: (200) [user] is_like_space(')')
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _227136)
   Exit: (199) [system] peek_char((0x563acd73bee0), ')')
   Call: (199) [system] ')'=')'
   Exit: (199) [system] ')'=')'
   Call: (199) [system] get_char((0x563acd73bee0), _230926)
   Exit: (199) [system] get_char((0x563acd73bee0), ')')
   Call: (199) [system] _209268=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_list(')', (0x563acd73bee0), [])
   Call: (198) [system] _4150=[[synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]
   Exit: (198) [system] [[synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]=[[synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]
^  Exit: (197) [user] read_list(')', (0x563acd73bee0), [[synthesize, [:, _proof5, _premise5], _kb, _rb, _k]])
   Call: (197) [system] _4116=[[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]
   Exit: (197) [system] [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]=[[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]
^  Exit: (196) [user] read_list(')', (0x563acd73bee0), [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]])
^  Exit: (195) [user] cont_sexpr(')', (0x563acd73bee0), [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]])
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _242014)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _243872)
   Exit: (197) [system] peek_char((0x563acd73bee0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _259882)
   Exit: (196) [system] peek_char((0x563acd73bee0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x563acd73bee0), _263672)
   Exit: (196) [system] get_char((0x563acd73bee0), ')')
   Call: (196) [system] _242014=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), [])
   Call: (195) [system] _4112=[[[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
   Exit: (195) [system] [[[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]=[[[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), [[[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]])
   Call: (194) [system] _4000=[[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
   Exit: (194) [system] [[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]=[[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), [[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]])
   Call: (193) [system] _3888=[[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
   Exit: (193) [system] [[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]=[[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), [[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]])
   Call: (192) [system] _3776=[[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
   Exit: (192) [system] [[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]=[[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
^  Exit: (191) [user] read_list(')', (0x563acd73bee0), [[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]])
   Call: (191) [system] _3664=[[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
   Exit: (191) [system] [[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]=[[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
^  Exit: (190) [user] read_list(')', (0x563acd73bee0), [[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]])
   Call: (190) [system] _3560=[[[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
   Exit: (190) [system] [[[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]=[[[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
^  Exit: (189) [user] read_list(')', (0x563acd73bee0), [[[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]])
   Call: (189) [system] _3442=[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
   Exit: (189) [system] [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]=[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
^  Exit: (188) [user] read_list(')', (0x563acd73bee0), [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]])
^  Exit: (187) [user] cont_sexpr(')', (0x563acd73bee0), [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]])
^  Call: (187) [user] read_list(')', (0x563acd73bee0), _288730)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _290588)
   Exit: (189) [system] peek_char((0x563acd73bee0), '\n')
   Call: (189) [system] '\n'=(;)
   Fail: (189) [system] '\n'=(;)
   Call: (189) [system] '\n'=(/)
   Fail: (189) [system] '\n'=(/)
^  Call: (189) [user] is_like_space('\n')
   Call: (190) [system] char_type('\n', 'white')
   Fail: (190) [system] char_type('\n', 'white')
   Call: (190) [system] char_type('\n', end_of_line)
   Exit: (190) [system] char_type('\n', end_of_line)
^  Exit: (189) [user] is_like_space('\n')
   Call: (189) [system] get_char((0x563acd73bee0), _302038)
   Exit: (189) [system] get_char((0x563acd73bee0), '\n')
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _304742)
   Exit: (190) [system] peek_char((0x563acd73bee0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x563acd73bee0), _314336)
   Exit: (190) [system] get_char((0x563acd73bee0), ' ')
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _317040)
   Exit: (191) [system] peek_char((0x563acd73bee0), ' ')
   Call: (191) [system] ' '=(;)
   Fail: (191) [system] ' '=(;)
   Call: (191) [system] ' '=(/)
   Fail: (191) [system] ' '=(/)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x563acd73bee0), _326634)
   Exit: (191) [system] get_char((0x563acd73bee0), ' ')
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _329338)
   Exit: (192) [system] peek_char((0x563acd73bee0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x563acd73bee0), _338932)
   Exit: (192) [system] get_char((0x563acd73bee0), ' ')
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _341636)
   Exit: (193) [system] peek_char((0x563acd73bee0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x563acd73bee0), _351230)
   Exit: (193) [system] get_char((0x563acd73bee0), ' ')
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _353934)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x563acd73bee0), _363528)
   Exit: (194) [system] get_char((0x563acd73bee0), ' ')
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _366232)
   Exit: (195) [system] peek_char((0x563acd73bee0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _387786)
   Exit: (188) [system] peek_char((0x563acd73bee0), $)
   Call: (188) [system] ($)=')'
   Fail: (188) [system] ($)=')'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x563acd73bee0), _393356)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _395214)
   Exit: (190) [system] peek_char((0x563acd73bee0), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
   Call: (190) [system] ($)=(/)
   Fail: (190) [system] ($)=(/)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] get_char((0x563acd73bee0), _411224)
   Exit: (189) [system] get_char((0x563acd73bee0), $)
   Call: (189) [system] ($)='('
   Fail: (189) [system] ($)='('
   Call: (189) [system] ($)='['
   Fail: (189) [system] ($)='['
   Call: (189) [system] ($)='{'
   Fail: (189) [system] ($)='{'
   Call: (189) [system] ($)='"'
   Fail: (189) [system] ($)='"'
   Call: (189) [system] ($)=!
   Fail: (189) [system] ($)=!
   Call: (189) [system] ($)='\''
   Fail: (189) [system] ($)='\''
   Call: (189) [system] ($)='`'
   Fail: (189) [system] ($)='`'
   Call: (189) [system] ($)=end_of_file
   Fail: (189) [system] ($)=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x563acd73bee0), $, _393356)
^  Call: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), _428866)
   Call: (191) [system] peek_char((0x563acd73bee0), _429800)
   Exit: (191) [system] peek_char((0x563acd73bee0), q)
^  Call: (191) [user] is_delimiter(q)
   Call: (192) [system] char_type(q, space)
   Fail: (192) [system] char_type(q, space)
   Call: (192) [system] arg(_434520, v('(', ')', end_of_file), q)
   Fail: (192) [system] arg(_435452, v('(', ')', end_of_file), q)
^  Fail: (191) [user] is_delimiter(q)
   Call: (191) [system] ')'==q
   Fail: (191) [system] ')'==q
   Call: (191) [system] get_char((0x563acd73bee0), q)
   Exit: (191) [system] get_char((0x563acd73bee0), q)
   Call: (191) [system] q=(\)
   Fail: (191) [system] q=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), _442802)
   Call: (192) [system] peek_char((0x563acd73bee0), _443736)
   Exit: (192) [system] peek_char((0x563acd73bee0), u)
^  Call: (192) [user] is_delimiter(u)
   Call: (193) [system] char_type(u, space)
   Fail: (193) [system] char_type(u, space)
   Call: (193) [system] arg(_448456, v('(', ')', end_of_file), u)
   Fail: (193) [system] arg(_449388, v('(', ')', end_of_file), u)
^  Fail: (192) [user] is_delimiter(u)
   Call: (192) [system] ')'==u
   Fail: (192) [system] ')'==u
   Call: (192) [system] get_char((0x563acd73bee0), u)
   Exit: (192) [system] get_char((0x563acd73bee0), u)
   Call: (192) [system] u=(\)
   Fail: (192) [system] u=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), _456738)
   Call: (193) [system] peek_char((0x563acd73bee0), _457672)
   Exit: (193) [system] peek_char((0x563acd73bee0), e)
^  Call: (193) [user] is_delimiter(e)
   Call: (194) [system] char_type(e, space)
   Fail: (194) [system] char_type(e, space)
   Call: (194) [system] arg(_462392, v('(', ')', end_of_file), e)
   Fail: (194) [system] arg(_463324, v('(', ')', end_of_file), e)
^  Fail: (193) [user] is_delimiter(e)
   Call: (193) [system] ')'==e
   Fail: (193) [system] ')'==e
   Call: (193) [system] get_char((0x563acd73bee0), e)
   Exit: (193) [system] get_char((0x563acd73bee0), e)
   Call: (193) [system] e=(\)
   Fail: (193) [system] e=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _470674)
   Call: (194) [system] peek_char((0x563acd73bee0), _471608)
   Exit: (194) [system] peek_char((0x563acd73bee0), r)
^  Call: (194) [user] is_delimiter(r)
   Call: (195) [system] char_type(r, space)
   Fail: (195) [system] char_type(r, space)
   Call: (195) [system] arg(_476328, v('(', ')', end_of_file), r)
   Fail: (195) [system] arg(_477260, v('(', ')', end_of_file), r)
^  Fail: (194) [user] is_delimiter(r)
   Call: (194) [system] ')'==r
   Fail: (194) [system] ')'==r
   Call: (194) [system] get_char((0x563acd73bee0), r)
   Exit: (194) [system] get_char((0x563acd73bee0), r)
   Call: (194) [system] r=(\)
   Fail: (194) [system] r=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _484610)
   Call: (195) [system] peek_char((0x563acd73bee0), _485544)
   Exit: (195) [system] peek_char((0x563acd73bee0), y)
^  Call: (195) [user] is_delimiter(y)
   Call: (196) [system] char_type(y, space)
   Fail: (196) [system] char_type(y, space)
   Call: (196) [system] arg(_490264, v('(', ')', end_of_file), y)
   Fail: (196) [system] arg(_491196, v('(', ')', end_of_file), y)
^  Fail: (195) [user] is_delimiter(y)
   Call: (195) [system] ')'==y
   Fail: (195) [system] ')'==y
   Call: (195) [system] get_char((0x563acd73bee0), y)
   Exit: (195) [system] get_char((0x563acd73bee0), y)
   Call: (195) [system] y=(\)
   Fail: (195) [system] y=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _498546)
   Call: (196) [system] peek_char((0x563acd73bee0), _499480)
   Exit: (196) [system] peek_char((0x563acd73bee0), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_504200, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _498546=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (195) [system] _484610=[y]
   Exit: (195) [system] [y]=[y]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [y])
   Call: (194) [system] _470674=[r, y]
   Exit: (194) [system] [r, y]=[r, y]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, y])
   Call: (193) [system] _456738=[e, r, y]
   Exit: (193) [system] [e, r, y]=[e, r, y]
^  Exit: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, r, y])
   Call: (192) [system] _442802=[u, e, r, y]
   Exit: (192) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, e, r, y])
   Call: (191) [system] _428866=[q, u, e, r, y]
   Exit: (191) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), [q, u, e, r, y])
^  Call: (190) [user] classify_and_convert_charseq([$, q, u, e, r, y], _393356)
^  Call: (191) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _524606)
   Call: (192) [system] atom_chars(_525538, ['_', q, u, e, r, y])
   Exit: (192) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (191) [user] classify_and_convert_charseq_([$, q, u, e, r, y], _query)
   Call: (191) [system] integer(_query)
   Fail: (191) [system] integer(_query)
   Call: (191) [system] _393356=_query
   Exit: (191) [system] _query=_query
^  Exit: (190) [user] classify_and_convert_charseq([$, q, u, e, r, y], _query)
^  Exit: (189) [user] read_symbolic(')', (0x563acd73bee0), $, _query)
^  Exit: (188) [user] cont_sexpr(')', (0x563acd73bee0), _query)
^  Call: (188) [user] read_list(')', (0x563acd73bee0), _534830)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _536688)
   Exit: (190) [system] peek_char((0x563acd73bee0), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
   Call: (190) [system] ')'=(/)
   Fail: (190) [system] ')'=(/)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _552698)
   Exit: (189) [system] peek_char((0x563acd73bee0), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x563acd73bee0), _556488)
   Exit: (189) [system] get_char((0x563acd73bee0), ')')
   Call: (189) [system] _534830=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x563acd73bee0), [])
   Call: (188) [system] _288730=[_query]
   Exit: (188) [system] [_query]=[_query]
^  Exit: (187) [user] read_list(')', (0x563acd73bee0), [_query])
   Call: (187) [system] _3438=[[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]
   Exit: (187) [system] [[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]=[[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]
^  Exit: (186) [user] read_list(')', (0x563acd73bee0), [[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query])
   Call: (186) [system] _3430=['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]
   Exit: (186) [system] ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]=['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]
^  Exit: (185) [user] read_list(')', (0x563acd73bee0), ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query])
^  Exit: (184) [user] cont_sexpr(')', (0x563acd73bee0), ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query])
^  Call: (184) [user] read_list(')', (0x563acd73bee0), _570370)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _572228)
   Exit: (186) [system] peek_char((0x563acd73bee0), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
   Call: (186) [system] ')'=(/)
   Fail: (186) [system] ')'=(/)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _588238)
   Exit: (185) [system] peek_char((0x563acd73bee0), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x563acd73bee0), _592028)
   Exit: (185) [system] get_char((0x563acd73bee0), ')')
   Call: (185) [system] _570370=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x563acd73bee0), [])
   Call: (184) [system] _3426=[['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]]
   Exit: (184) [system] [['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]]=[['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]]
^  Exit: (183) [user] read_list(')', (0x563acd73bee0), [['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]])
   Call: (183) [system] _3362=[[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]]
   Exit: (183) [system] [[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]]=[[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]]
^  Exit: (182) [user] read_list(')', (0x563acd73bee0), [[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]])
   Call: (182) [system] _3322=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]]
   Exit: (182) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]]=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]]
^  Exit: (181) [user] read_list(')', (0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]])
^  Exit: (180) [user] cont_sexpr(')', (0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]])
^  Exit: (179) [user] read_sexpr((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]])
^  Call: (179) [user] assertz(metta_file_comment(83, 0, 3311, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]], '$stream_position'(3311, 83, 0, 3311)))
^  Exit: (179) [user] assertz(metta_file_comment(83, 0, 3311, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]], '$stream_position'(3311, 83, 0, 3311)))
^  Exit: (177) [system] once(user:(read_position((0x563acd73bee0), 83, 0, 3311, '$stream_position'(3311, 83, 0, 3311)), read_sexpr((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]]), assertz(metta_file_comment(83, 0, 3311, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]], '$stream_position'(3311, 83, 0, 3311)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_610546, _610548, _610550, _610552, _610554))
^  Exit: (177) [user] retract(metta_file_comment(43, 0, 1381, '$COMMENT'(";;", 43, 0), '$stream_position'(1381, 43, 0, 1381)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;", 43, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";;", 43, 0), _613378))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";;", 43, 0), _613378)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";;", 43, 0), _613378)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";;", 43, 0), _616194))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";;", 43, 0), _616194))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";;", 43, 0), _616194)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";;", 43, 0), _618994))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";;", 43, 0), _618994)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";;", 43, 0), _618994)
   Call: (187) [system] var('$COMMENT'(";;", 43, 0))
   Call: (187) [system] atom('$COMMENT'(";;", 43, 0))
   Call: (187) [system] '$COMMENT'(";;", 43, 0)==true
   Call: (187) [system] '$COMMENT'(";;", 43, 0)==false
   Call: (187) [system] '$COMMENT'(";;", 43, 0)==[_625514, _625520]
   Call: (187) [system] is_list('$COMMENT'(";;", 43, 0))
   Call: (187) [system] string('$COMMENT'(";;", 43, 0))
   Call: (187) [system] compound('$COMMENT'(";;", 43, 0))
   Exit: (187) [system] compound('$COMMENT'(";;", 43, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";;", 43, 0), _630148, _630150)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;", 43, 0), '$COMMENT', [";;", 43, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";;", 43, 0], _633890)
   Call: (188) [apply] apply:maplist_([";;", 43, 0], _633890, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";;", _635770)
   Call: (190) [system] var(";;")
   Call: (190) [system] atom(";;")
   Call: (190) [system] ";;"==true
   Call: (190) [system] ";;"==false
   Call: (190) [system] ";;"==[_640412, _640418]
   Call: (190) [system] is_list(";;")
   Call: (190) [system] string(";;")
   Exit: (190) [system] string(";;")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";;")
^  Call: (190) [user] symbol(";;")
   Call: (191) [system] atom(";;")
   Fail: (191) [system] atom(";;")
^  Fail: (190) [user] symbol(";;")
   Call: (190) [system] ";;"=_635770
   Exit: (190) [system] ";;"=";;"
^  Exit: (189) [user] mfix_vars1(";;", ";;")
   Call: (189) [apply] apply:maplist_([43, 0], _635772, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(43, _654292)
   Call: (191) [system] var(43)
   Call: (191) [system] atom(43)
   Call: (191) [system] 43==true
   Call: (191) [system] 43==false
   Call: (191) [system] 43==[_658934, _658940]
   Call: (191) [system] is_list(43)
   Call: (191) [system] string(43)
   Call: (191) [system] compound(43)
^  Call: (191) [user] symbol(43)
   Call: (192) [system] atom(43)
   Fail: (192) [system] atom(43)
^  Fail: (191) [user] symbol(43)
   Call: (191) [system] 43=_654292
   Exit: (191) [system] 43=43
^  Exit: (190) [user] mfix_vars1(43, 43)
   Call: (190) [apply] apply:maplist_([0], _654294, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _670058)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_674700, _674706]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_670058
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _670060, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([43, 0], [43, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";;", 43, 0], [";;", 43, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";;", 43, 0], [";;", 43, 0])
   Call: (187) [system] compound_name_arguments(_618994, '$COMMENT', [";;", 43, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;", 43, 0), '$COMMENT', [";;", 43, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0)))
   Call: (184) [system] '$COMMENT'(";;", 43, 0)\=@='$COMMENT'(";;", 43, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";;", 43, 0), _698876))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";;", 43, 0), _698876))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";;", 43, 0), _698876)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";;", 43, 0), _701676))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";;", 43, 0), _701676)
^  Call: (186) [user] cons_to_c('$COMMENT'(";;", 43, 0), _701676)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0)))
   Call: (184) [system] '$COMMENT'(";;", 43, 0)\=@='$COMMENT'(";;", 43, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";;", 43, 0), _613378))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";;", 43, 0), _613378))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";;", 43, 0), _613378)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";;", 43, 0), _715634))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";;", 43, 0), _715634)
^  Call: (186) [user] cons_to_l('$COMMENT'(";;", 43, 0), _715634)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0)))
   Call: (184) [system] '$COMMENT'(";;", 43, 0)\=@='$COMMENT'(";;", 43, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0)))
   Call: (178) [system] '$COMMENT'(";;", 43, 0)\=@='$COMMENT'(";;", 43, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";;", 43, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";;", 43, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";;", 43, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";;", 43, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";;", 43, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";;", 43, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";;", 43, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";;", 43, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";;", 43, 0))
^  Exit: (171) [user] read_sform((0x563acd73bee0), '$COMMENT'(";;", 43, 0))
^  Exit: (170) [system] once(user:read_sform((0x563acd73bee0), '$COMMENT'(";;", 43, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x563acd73bee0), '$COMMENT'(";;", 43, 0)))
   Call: (169) [system] '$COMMENT'(";;", 43, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";;", 43, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1727204591.9963977), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204591.9963977), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 43, 0)), 82]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";;", 43, 0), ynthesize_long_1727204587_629323, 82)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1727204591.9963977), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204591.9963977), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 43, 0)), 82]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1727204595.7656279)
   Call: (173) [system] arg(1, t(1727204591.9963977), _3148)
   Exit: (173) [system] arg(1, t(1727204591.9963977), 1727204591.9963977)
   Call: (173) [system] _3158 is 1727204595.7656279-1727204591.9963977
   Exit: (173) [system] 3.7692301273345947 is 1727204595.7656279-1727204591.9963977
   Call: (173) [system] 3.7692301273345947>4
   Fail: (173) [system] 3.7692301273345947>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1727204591.9963977), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204591.9963977), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 43, 0)), 82]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 9)
   Call: (175) [system] atom(9+1)
   Call: (175) [system] set_flag(translated_forms, 10)
   Exit: (175) [system] set_flag(translated_forms, 10)
   Exit: (174) [$syspreds] update_flag(translated_forms, 9, 9+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 9, 9+1))
   Exit: (171) [$syspreds] flag(translated_forms, 9, 9+1)
^  Call: (171) [user] write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";;", 43, 0), ynthesize_long_1727204587_629323, 82)
^  Call: (172) [user] format((0x563acd7397e0), "/* ~w */~n", [";;"])
^  Exit: (172) [user] format((0x563acd7397e0), "/* ~w */~n", [";;"])
^  Exit: (171) [user] write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";;", 43, 0), ynthesize_long_1727204587_629323, 82)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1727204591.9963977), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204591.9963977), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 43, 0)), 82]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 9, 9+1), write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";;", 43, 0), ynthesize_long_1727204587_629323, 82)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x563acd73bee0))
   Fail: (169) [system] at_end_of_stream((0x563acd73bee0))
^  Call: (169) [user] must_det_ll(line_count((0x563acd73bee0), _3074))
^  Call: (170) [user] once(user:line_count((0x563acd73bee0), _3074))
   Call: (171) [system] line_count((0x563acd73bee0), _3074)
   Exit: (171) [system] line_count((0x563acd73bee0), 92)
^  Exit: (170) [system] once(user:line_count((0x563acd73bee0), 92))
^  Exit: (169) [user] must_det_ll(user:line_count((0x563acd73bee0), 92))
^  Call: (169) [user] must_det_ll(read_sform((0x563acd73bee0), _3084))
^  Call: (170) [user] once(user:read_sform((0x563acd73bee0), _3084))
^  Call: (171) [user] read_sform((0x563acd73bee0), _3084)
   Call: (172) [system] string((0x563acd73bee0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
   Call: (173) [system] string((0x563acd73bee0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), _3084)
   Call: (174) [system] at_end_of_stream((0x563acd73bee0))
   Call: (174) [system] peek_char((0x563acd73bee0), _790418)
   Exit: (174) [system] peek_char((0x563acd73bee0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x563acd73bee0), '\n')
   Exit: (174) [system] get_char((0x563acd73bee0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x563acd73bee0), _3084)
   Call: (175) [system] at_end_of_stream((0x563acd73bee0))
   Call: (175) [system] peek_char((0x563acd73bee0), _797840)
   Exit: (175) [system] peek_char((0x563acd73bee0), '\n')
   Call: (175) [system] char_type('\n', space)
   Exit: (175) [system] char_type('\n', space)
   Call: (175) [system] get_char((0x563acd73bee0), '\n')
   Exit: (175) [system] get_char((0x563acd73bee0), '\n')
^  Call: (175) [user] parse_sexpr_metta_IO((0x563acd73bee0), _3084)
   Call: (176) [system] at_end_of_stream((0x563acd73bee0))
   Call: (176) [system] peek_char((0x563acd73bee0), _805262)
   Exit: (176) [system] peek_char((0x563acd73bee0), '(')
   Call: (176) [system] char_type('(', space)
^  Call: (176) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
   Call: (177) [system] string((0x563acd73bee0))
^  Exit: (176) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
^  Call: (176) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), _3084)
^  Call: (177) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), _3084)
   Call: (178) [system] at_end_of_stream((0x563acd73bee0))
   Call: (178) [system] peek_char((0x563acd73bee0), _813600)
   Exit: (178) [system] peek_char((0x563acd73bee0), '(')
   Call: (178) [system] char_type('(', space)
   Call: (178) [system] _816386=(0x563acd73bee0)
   Exit: (178) [system] (0x563acd73bee0)=(0x563acd73bee0)
^  Call: (178) [user] once((read_position((0x563acd73bee0), _818254, _818256, _818258, _818260), read_sexpr((0x563acd73bee0), _818272), assertz(metta_file_comment(_818254, _818256, _818258, _818272, _818260))))
^  Call: (180) [user] read_position((0x563acd73bee0), _818254, _818256, _818258, _818260)
   Call: (181) [system] stream_property((0x563acd73bee0), position(_818260))
   Call: (182) [system] nonvar((0x563acd73bee0))
   Exit: (182) [system] nonvar((0x563acd73bee0))
   Call: (182) [system] nonvar(position(_818260))
   Exit: (182) [system] nonvar(position(_818260))
   Exit: (181) [system] stream_property((0x563acd73bee0), position('$stream_position'(3966, 94, 0, 3966)))
   Call: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(3966, 94, 0, 3966), _818254)
   Call: (182) [system] nonvar(line_count)
   Exit: (182) [system] nonvar(line_count)
   Call: (182) [$syspreds] stream_position_field(line_count, _828512)
   Exit: (182) [$syspreds] stream_position_field(line_count, 2)
   Call: (182) [system] arg(2, '$stream_position'(3966, 94, 0, 3966), _818254)
   Exit: (182) [system] arg(2, '$stream_position'(3966, 94, 0, 3966), 94)
   Exit: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(3966, 94, 0, 3966), 94)
   Call: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(3966, 94, 0, 3966), _818256)
   Call: (182) [system] nonvar(line_position)
   Exit: (182) [system] nonvar(line_position)
   Call: (182) [$syspreds] stream_position_field(line_position, _835946)
   Exit: (182) [$syspreds] stream_position_field(line_position, 3)
   Call: (182) [system] arg(3, '$stream_position'(3966, 94, 0, 3966), _818256)
   Exit: (182) [system] arg(3, '$stream_position'(3966, 94, 0, 3966), 0)
   Exit: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(3966, 94, 0, 3966), 0)
   Call: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(3966, 94, 0, 3966), _818258)
   Call: (182) [system] nonvar(char_count)
   Exit: (182) [system] nonvar(char_count)
   Call: (182) [$syspreds] stream_position_field(char_count, _843380)
   Exit: (182) [$syspreds] stream_position_field(char_count, 1)
   Call: (182) [system] arg(1, '$stream_position'(3966, 94, 0, 3966), _818258)
   Exit: (182) [system] arg(1, '$stream_position'(3966, 94, 0, 3966), 3966)
   Exit: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(3966, 94, 0, 3966), 3966)
^  Exit: (180) [user] read_position((0x563acd73bee0), 94, 0, 3966, '$stream_position'(3966, 94, 0, 3966))
^  Call: (180) [user] read_sexpr((0x563acd73bee0), _818272)
   Call: (181) [system] string((0x563acd73bee0))
   Fail: (181) [system] string((0x563acd73bee0))
^  Call: (181) [user] cont_sexpr(')', (0x563acd73bee0), _818272)
^  Call: (182) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] peek_char((0x563acd73bee0), _853606)
   Exit: (183) [system] peek_char((0x563acd73bee0), '(')
   Call: (183) [system] '('=(;)
   Fail: (183) [system] '('=(;)
   Call: (183) [system] '('=(/)
   Fail: (183) [system] '('=(/)
^  Call: (183) [user] is_like_space('(')
   Call: (184) [system] char_type('(', 'white')
   Fail: (184) [system] char_type('(', 'white')
   Call: (184) [system] char_type('(', end_of_line)
   Fail: (184) [system] char_type('(', end_of_line)
   Call: (184) [system] char_type('(', space)
   Fail: (184) [system] char_type('(', space)
   Call: (184) [system] char_type('(', cntrl)
   Fail: (184) [system] char_type('(', cntrl)
^  Fail: (183) [user] is_like_space('(')
^  Exit: (182) [user] skip_spaces((0x563acd73bee0))
   Call: (182) [system] get_char((0x563acd73bee0), _869616)
   Exit: (182) [system] get_char((0x563acd73bee0), '(')
   Call: (182) [system] '('='('
   Exit: (182) [system] '('='('
^  Call: (182) [user] read_list(')', (0x563acd73bee0), _818272)
^  Call: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _875186)
   Exit: (184) [system] peek_char((0x563acd73bee0), :)
   Call: (184) [system] (:)=(;)
   Fail: (184) [system] (:)=(;)
   Call: (184) [system] (:)=(/)
   Fail: (184) [system] (:)=(/)
^  Call: (184) [user] is_like_space(:)
   Call: (185) [system] char_type(:, 'white')
   Fail: (185) [system] char_type(:, 'white')
   Call: (185) [system] char_type(:, end_of_line)
   Fail: (185) [system] char_type(:, end_of_line)
   Call: (185) [system] char_type(:, space)
   Fail: (185) [system] char_type(:, space)
   Call: (185) [system] char_type(:, cntrl)
   Fail: (185) [system] char_type(:, cntrl)
^  Fail: (184) [user] is_like_space(:)
^  Exit: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] peek_char((0x563acd73bee0), _891196)
   Exit: (183) [system] peek_char((0x563acd73bee0), :)
   Call: (183) [system] (:)=')'
   Fail: (183) [system] (:)=')'
   Call: (183) [system] (:)=end_of_file
   Fail: (183) [system] (:)=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x563acd73bee0), _896766)
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _898624)
   Exit: (185) [system] peek_char((0x563acd73bee0), :)
   Call: (185) [system] (:)=(;)
   Fail: (185) [system] (:)=(;)
   Call: (185) [system] (:)=(/)
   Fail: (185) [system] (:)=(/)
^  Call: (185) [user] is_like_space(:)
   Call: (186) [system] char_type(:, 'white')
   Fail: (186) [system] char_type(:, 'white')
   Call: (186) [system] char_type(:, end_of_line)
   Fail: (186) [system] char_type(:, end_of_line)
   Call: (186) [system] char_type(:, space)
   Fail: (186) [system] char_type(:, space)
   Call: (186) [system] char_type(:, cntrl)
   Fail: (186) [system] char_type(:, cntrl)
^  Fail: (185) [user] is_like_space(:)
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] get_char((0x563acd73bee0), _914634)
   Exit: (184) [system] get_char((0x563acd73bee0), :)
   Call: (184) [system] (:)='('
   Fail: (184) [system] (:)='('
   Call: (184) [system] (:)='['
   Fail: (184) [system] (:)='['
   Call: (184) [system] (:)='{'
   Fail: (184) [system] (:)='{'
   Call: (184) [system] (:)='"'
   Fail: (184) [system] (:)='"'
   Call: (184) [system] (:)=!
   Fail: (184) [system] (:)=!
   Call: (184) [system] (:)='\''
   Fail: (184) [system] (:)='\''
   Call: (184) [system] (:)='`'
   Fail: (184) [system] (:)='`'
   Call: (184) [system] (:)=end_of_file
   Fail: (184) [system] (:)=end_of_file
^  Call: (184) [user] read_symbolic(')', (0x563acd73bee0), :, _896766)
^  Call: (185) [user] read_symbolic_cont(')', (0x563acd73bee0), _932276)
   Call: (186) [system] peek_char((0x563acd73bee0), _933210)
   Exit: (186) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (186) [user] is_delimiter(' ')
   Call: (187) [system] char_type(' ', space)
   Exit: (187) [system] char_type(' ', space)
^  Exit: (186) [user] is_delimiter(' ')
   Call: (186) [system] _932276=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (185) [user] classify_and_convert_charseq([:], _896766)
^  Call: (186) [user] classify_and_convert_charseq_([:], _942494)
^  Call: (188) [system] setup_call_cleanup('$notrace'(_943446, _943448), once(user:catch(read_from_chars([:], _942494), _943428, fail)), '$restore_trace'(_943446, _943448))
^  Call: (189) [system] sig_atomic(system:'$notrace'(_943446, _943448))
^  Exit: (188) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _943428, fail)), system:'$restore_trace'(3, -1))
   Call: (187) [system] atomic(:)
   Exit: (187) [system] atomic(:)
^  Exit: (186) [user] classify_and_convert_charseq_([:], :)
   Call: (186) [system] integer(:)
   Fail: (186) [system] integer(:)
   Call: (186) [system] _896766=(:)
   Exit: (186) [system] (:)=(:)
^  Exit: (185) [user] classify_and_convert_charseq([:], :)
^  Exit: (184) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (183) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (183) [user] read_list(')', (0x563acd73bee0), _955574)
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _957432)
   Exit: (185) [system] peek_char((0x563acd73bee0), ' ')
   Call: (185) [system] ' '=(;)
   Fail: (185) [system] ' '=(;)
   Call: (185) [system] ' '=(/)
   Fail: (185) [system] ' '=(/)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x563acd73bee0), _967026)
   Exit: (185) [system] get_char((0x563acd73bee0), ' ')
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _969730)
   Exit: (186) [system] peek_char((0x563acd73bee0), k)
   Call: (186) [system] k=(;)
   Fail: (186) [system] k=(;)
   Call: (186) [system] k=(/)
   Fail: (186) [system] k=(/)
^  Call: (186) [user] is_like_space(k)
   Call: (187) [system] char_type(k, 'white')
   Fail: (187) [system] char_type(k, 'white')
   Call: (187) [system] char_type(k, end_of_line)
   Fail: (187) [system] char_type(k, end_of_line)
   Call: (187) [system] char_type(k, space)
   Fail: (187) [system] char_type(k, space)
   Call: (187) [system] char_type(k, cntrl)
   Fail: (187) [system] char_type(k, cntrl)
^  Fail: (186) [user] is_like_space(k)
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _986664)
   Exit: (184) [system] peek_char((0x563acd73bee0), k)
   Call: (184) [system] k=')'
   Fail: (184) [system] k=')'
   Call: (184) [system] k=end_of_file
   Fail: (184) [system] k=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x563acd73bee0), _992234)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _994092)
   Exit: (186) [system] peek_char((0x563acd73bee0), k)
   Call: (186) [system] k=(;)
   Fail: (186) [system] k=(;)
   Call: (186) [system] k=(/)
   Fail: (186) [system] k=(/)
^  Call: (186) [user] is_like_space(k)
   Call: (187) [system] char_type(k, 'white')
   Fail: (187) [system] char_type(k, 'white')
   Call: (187) [system] char_type(k, end_of_line)
   Fail: (187) [system] char_type(k, end_of_line)
   Call: (187) [system] char_type(k, space)
   Fail: (187) [system] char_type(k, space)
   Call: (187) [system] char_type(k, cntrl)
   Fail: (187) [system] char_type(k, cntrl)
^  Fail: (186) [user] is_like_space(k)
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] get_char((0x563acd73bee0), _1010102)
   Exit: (185) [system] get_char((0x563acd73bee0), k)
   Call: (185) [system] k='('
   Fail: (185) [system] k='('
   Call: (185) [system] k='['
   Fail: (185) [system] k='['
   Call: (185) [system] k='{'
   Fail: (185) [system] k='{'
   Call: (185) [system] k='"'
   Fail: (185) [system] k='"'
   Call: (185) [system] k=!
   Fail: (185) [system] k=!
   Call: (185) [system] k='\''
   Fail: (185) [system] k='\''
   Call: (185) [system] k='`'
   Fail: (185) [system] k='`'
   Call: (185) [system] k=end_of_file
   Fail: (185) [system] k=end_of_file
^  Call: (185) [user] read_symbolic(')', (0x563acd73bee0), k, _992234)
^  Call: (186) [user] read_symbolic_cont(')', (0x563acd73bee0), _1027744)
   Call: (187) [system] peek_char((0x563acd73bee0), _1028678)
   Exit: (187) [system] peek_char((0x563acd73bee0), b)
^  Call: (187) [user] is_delimiter(b)
   Call: (188) [system] char_type(b, space)
   Fail: (188) [system] char_type(b, space)
   Call: (188) [system] arg(_1033398, v('(', ')', end_of_file), b)
   Fail: (188) [system] arg(_1034330, v('(', ')', end_of_file), b)
^  Fail: (187) [user] is_delimiter(b)
   Call: (187) [system] ')'==b
   Fail: (187) [system] ')'==b
   Call: (187) [system] get_char((0x563acd73bee0), b)
   Exit: (187) [system] get_char((0x563acd73bee0), b)
   Call: (187) [system] b=(\)
   Fail: (187) [system] b=(\)
^  Call: (187) [user] read_symbolic_cont(')', (0x563acd73bee0), _1041680)
   Call: (188) [system] peek_char((0x563acd73bee0), _1042614)
   Exit: (188) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (188) [user] is_delimiter(' ')
   Call: (189) [system] char_type(' ', space)
   Exit: (189) [system] char_type(' ', space)
^  Exit: (188) [user] is_delimiter(' ')
   Call: (188) [system] _1041680=[]
   Exit: (188) [system] []=[]
^  Exit: (187) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (187) [system] _1027744=[b]
   Exit: (187) [system] [b]=[b]
^  Exit: (186) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
^  Call: (186) [user] classify_and_convert_charseq([k, b], _992234)
^  Call: (187) [user] classify_and_convert_charseq_([k, b], _1054692)
^  Call: (189) [system] setup_call_cleanup('$notrace'(_1055644, _1055646), once(user:catch(read_from_chars([k, b], _1054692), _1055626, fail)), '$restore_trace'(_1055644, _1055646))
^  Call: (190) [system] sig_atomic(system:'$notrace'(_1055644, _1055646))
^  Exit: (189) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([k, b], kb), _1055626, fail)), system:'$restore_trace'(3, -1))
   Call: (188) [system] atomic(kb)
   Exit: (188) [system] atomic(kb)
^  Exit: (187) [user] classify_and_convert_charseq_([k, b], kb)
   Call: (187) [system] integer(kb)
   Fail: (187) [system] integer(kb)
   Call: (187) [system] _992234=kb
   Exit: (187) [system] kb=kb
^  Exit: (186) [user] classify_and_convert_charseq([k, b], kb)
^  Exit: (185) [user] read_symbolic(')', (0x563acd73bee0), k, kb)
^  Exit: (184) [user] cont_sexpr(')', (0x563acd73bee0), kb)
^  Call: (184) [user] read_list(')', (0x563acd73bee0), _1067772)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1069630)
   Exit: (186) [system] peek_char((0x563acd73bee0), ' ')
   Call: (186) [system] ' '=(;)
   Fail: (186) [system] ' '=(;)
   Call: (186) [system] ' '=(/)
   Fail: (186) [system] ' '=(/)
^  Call: (186) [user] is_like_space(' ')
   Call: (187) [system] char_type(' ', 'white')
   Exit: (187) [system] char_type(' ', 'white')
^  Exit: (186) [user] is_like_space(' ')
   Call: (186) [system] get_char((0x563acd73bee0), _1079224)
   Exit: (186) [system] get_char((0x563acd73bee0), ' ')
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _1081928)
   Exit: (187) [system] peek_char((0x563acd73bee0), '(')
   Call: (187) [system] '('=(;)
   Fail: (187) [system] '('=(;)
   Call: (187) [system] '('=(/)
   Fail: (187) [system] '('=(/)
^  Call: (187) [user] is_like_space('(')
   Call: (188) [system] char_type('(', 'white')
   Fail: (188) [system] char_type('(', 'white')
   Call: (188) [system] char_type('(', end_of_line)
   Fail: (188) [system] char_type('(', end_of_line)
   Call: (188) [system] char_type('(', space)
   Fail: (188) [system] char_type('(', space)
   Call: (188) [system] char_type('(', cntrl)
   Fail: (188) [system] char_type('(', cntrl)
^  Fail: (187) [user] is_like_space('(')
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _1098862)
   Exit: (185) [system] peek_char((0x563acd73bee0), '(')
   Call: (185) [system] '('=')'
   Fail: (185) [system] '('=')'
   Call: (185) [system] '('=end_of_file
   Fail: (185) [system] '('=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x563acd73bee0), _1104432)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _1106290)
   Exit: (187) [system] peek_char((0x563acd73bee0), '(')
   Call: (187) [system] '('=(;)
   Fail: (187) [system] '('=(;)
   Call: (187) [system] '('=(/)
   Fail: (187) [system] '('=(/)
^  Call: (187) [user] is_like_space('(')
   Call: (188) [system] char_type('(', 'white')
   Fail: (188) [system] char_type('(', 'white')
   Call: (188) [system] char_type('(', end_of_line)
   Fail: (188) [system] char_type('(', end_of_line)
   Call: (188) [system] char_type('(', space)
   Fail: (188) [system] char_type('(', space)
   Call: (188) [system] char_type('(', cntrl)
   Fail: (188) [system] char_type('(', cntrl)
^  Fail: (187) [user] is_like_space('(')
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] get_char((0x563acd73bee0), _1122300)
   Exit: (186) [system] get_char((0x563acd73bee0), '(')
   Call: (186) [system] '('='('
   Exit: (186) [system] '('='('
^  Call: (186) [user] read_list(')', (0x563acd73bee0), _1104432)
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _1127870)
   Exit: (188) [system] peek_char((0x563acd73bee0), -)
   Call: (188) [system] (-)=(;)
   Fail: (188) [system] (-)=(;)
   Call: (188) [system] (-)=(/)
   Fail: (188) [system] (-)=(/)
^  Call: (188) [user] is_like_space(-)
   Call: (189) [system] char_type(-, 'white')
   Fail: (189) [system] char_type(-, 'white')
   Call: (189) [system] char_type(-, end_of_line)
   Fail: (189) [system] char_type(-, end_of_line)
   Call: (189) [system] char_type(-, space)
   Fail: (189) [system] char_type(-, space)
   Call: (189) [system] char_type(-, cntrl)
   Fail: (189) [system] char_type(-, cntrl)
^  Fail: (188) [user] is_like_space(-)
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _1143880)
   Exit: (187) [system] peek_char((0x563acd73bee0), -)
   Call: (187) [system] (-)=')'
   Fail: (187) [system] (-)=')'
   Call: (187) [system] (-)=end_of_file
   Fail: (187) [system] (-)=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x563acd73bee0), _1149450)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1151308)
   Exit: (189) [system] peek_char((0x563acd73bee0), -)
   Call: (189) [system] (-)=(;)
   Fail: (189) [system] (-)=(;)
   Call: (189) [system] (-)=(/)
   Fail: (189) [system] (-)=(/)
^  Call: (189) [user] is_like_space(-)
   Call: (190) [system] char_type(-, 'white')
   Fail: (190) [system] char_type(-, 'white')
   Call: (190) [system] char_type(-, end_of_line)
   Fail: (190) [system] char_type(-, end_of_line)
   Call: (190) [system] char_type(-, space)
   Fail: (190) [system] char_type(-, space)
   Call: (190) [system] char_type(-, cntrl)
   Fail: (190) [system] char_type(-, cntrl)
^  Fail: (189) [user] is_like_space(-)
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] get_char((0x563acd73bee0), _1167318)
   Exit: (188) [system] get_char((0x563acd73bee0), -)
   Call: (188) [system] (-)='('
   Fail: (188) [system] (-)='('
   Call: (188) [system] (-)='['
   Fail: (188) [system] (-)='['
   Call: (188) [system] (-)='{'
   Fail: (188) [system] (-)='{'
   Call: (188) [system] (-)='"'
   Fail: (188) [system] (-)='"'
   Call: (188) [system] (-)=!
   Fail: (188) [system] (-)=!
   Call: (188) [system] (-)='\''
   Fail: (188) [system] (-)='\''
   Call: (188) [system] (-)='`'
   Fail: (188) [system] (-)='`'
   Call: (188) [system] (-)=end_of_file
   Fail: (188) [system] (-)=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x563acd73bee0), -, _1149450)
^  Call: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), _1184960)
   Call: (190) [system] peek_char((0x563acd73bee0), _1185894)
   Exit: (190) [system] peek_char((0x563acd73bee0), >)
^  Call: (190) [user] is_delimiter(>)
   Call: (191) [system] char_type(>, space)
   Fail: (191) [system] char_type(>, space)
   Call: (191) [system] arg(_1190614, v('(', ')', end_of_file), >)
   Fail: (191) [system] arg(_1191546, v('(', ')', end_of_file), >)
^  Fail: (190) [user] is_delimiter(>)
   Call: (190) [system] ')'==(>)
   Fail: (190) [system] ')'==(>)
   Call: (190) [system] get_char((0x563acd73bee0), >)
   Exit: (190) [system] get_char((0x563acd73bee0), >)
   Call: (190) [system] (>)=(\)
   Fail: (190) [system] (>)=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), _1198896)
   Call: (191) [system] peek_char((0x563acd73bee0), _1199830)
   Exit: (191) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (191) [user] is_delimiter(' ')
   Call: (192) [system] char_type(' ', space)
   Exit: (192) [system] char_type(' ', space)
^  Exit: (191) [user] is_delimiter(' ')
   Call: (191) [system] _1198896=[]
   Exit: (191) [system] []=[]
^  Exit: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (190) [system] _1184960=[>]
   Exit: (190) [system] [>]=[>]
^  Exit: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), [>])
^  Call: (189) [user] classify_and_convert_charseq([-, >], _1149450)
^  Call: (190) [user] classify_and_convert_charseq_([-, >], _1211908)
^  Call: (192) [system] setup_call_cleanup('$notrace'(_1212860, _1212862), once(user:catch(read_from_chars([-, >], _1211908), _1212842, fail)), '$restore_trace'(_1212860, _1212862))
^  Call: (193) [system] sig_atomic(system:'$notrace'(_1212860, _1212862))
^  Exit: (192) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _1212842, fail)), system:'$restore_trace'(3, -1))
   Call: (191) [system] atomic(->)
   Exit: (191) [system] atomic(->)
^  Exit: (190) [user] classify_and_convert_charseq_([-, >], ->)
   Call: (190) [system] integer(->)
   Fail: (190) [system] integer(->)
   Call: (190) [system] _1149450=(->)
   Exit: (190) [system] (->)=(->)
^  Exit: (189) [user] classify_and_convert_charseq([-, >], ->)
^  Exit: (188) [user] read_symbolic(')', (0x563acd73bee0), -, ->)
^  Exit: (187) [user] cont_sexpr(')', (0x563acd73bee0), ->)
^  Call: (187) [user] read_list(')', (0x563acd73bee0), _1224988)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1226846)
   Exit: (189) [system] peek_char((0x563acd73bee0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x563acd73bee0), _1236440)
   Exit: (189) [system] get_char((0x563acd73bee0), ' ')
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1239144)
   Exit: (190) [system] peek_char((0x563acd73bee0), 'A')
   Call: (190) [system] 'A'=(;)
   Fail: (190) [system] 'A'=(;)
   Call: (190) [system] 'A'=(/)
   Fail: (190) [system] 'A'=(/)
^  Call: (190) [user] is_like_space('A')
   Call: (191) [system] char_type('A', 'white')
   Fail: (191) [system] char_type('A', 'white')
   Call: (191) [system] char_type('A', end_of_line)
   Fail: (191) [system] char_type('A', end_of_line)
   Call: (191) [system] char_type('A', space)
   Fail: (191) [system] char_type('A', space)
   Call: (191) [system] char_type('A', cntrl)
   Fail: (191) [system] char_type('A', cntrl)
^  Fail: (190) [user] is_like_space('A')
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _1256078)
   Exit: (188) [system] peek_char((0x563acd73bee0), 'A')
   Call: (188) [system] 'A'=')'
   Fail: (188) [system] 'A'=')'
   Call: (188) [system] 'A'=end_of_file
   Fail: (188) [system] 'A'=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x563acd73bee0), _1261648)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1263506)
   Exit: (190) [system] peek_char((0x563acd73bee0), 'A')
   Call: (190) [system] 'A'=(;)
   Fail: (190) [system] 'A'=(;)
   Call: (190) [system] 'A'=(/)
   Fail: (190) [system] 'A'=(/)
^  Call: (190) [user] is_like_space('A')
   Call: (191) [system] char_type('A', 'white')
   Fail: (191) [system] char_type('A', 'white')
   Call: (191) [system] char_type('A', end_of_line)
   Fail: (191) [system] char_type('A', end_of_line)
   Call: (191) [system] char_type('A', space)
   Fail: (191) [system] char_type('A', space)
   Call: (191) [system] char_type('A', cntrl)
   Fail: (191) [system] char_type('A', cntrl)
^  Fail: (190) [user] is_like_space('A')
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] get_char((0x563acd73bee0), _1279516)
   Exit: (189) [system] get_char((0x563acd73bee0), 'A')
   Call: (189) [system] 'A'='('
   Fail: (189) [system] 'A'='('
   Call: (189) [system] 'A'='['
   Fail: (189) [system] 'A'='['
   Call: (189) [system] 'A'='{'
   Fail: (189) [system] 'A'='{'
   Call: (189) [system] 'A'='"'
   Fail: (189) [system] 'A'='"'
   Call: (189) [system] 'A'=!
   Fail: (189) [system] 'A'=!
   Call: (189) [system] 'A'='\''
   Fail: (189) [system] 'A'='\''
   Call: (189) [system] 'A'='`'
   Fail: (189) [system] 'A'='`'
   Call: (189) [system] 'A'=end_of_file
   Fail: (189) [system] 'A'=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x563acd73bee0), 'A', _1261648)
^  Call: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), _1297158)
   Call: (191) [system] peek_char((0x563acd73bee0), _1298092)
   Exit: (191) [system] peek_char((0x563acd73bee0), t)
^  Call: (191) [user] is_delimiter(t)
   Call: (192) [system] char_type(t, space)
   Fail: (192) [system] char_type(t, space)
   Call: (192) [system] arg(_1302812, v('(', ')', end_of_file), t)
   Fail: (192) [system] arg(_1303744, v('(', ')', end_of_file), t)
^  Fail: (191) [user] is_delimiter(t)
   Call: (191) [system] ')'==t
   Fail: (191) [system] ')'==t
   Call: (191) [system] get_char((0x563acd73bee0), t)
   Exit: (191) [system] get_char((0x563acd73bee0), t)
   Call: (191) [system] t=(\)
   Fail: (191) [system] t=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), _1311094)
   Call: (192) [system] peek_char((0x563acd73bee0), _1312028)
   Exit: (192) [system] peek_char((0x563acd73bee0), o)
^  Call: (192) [user] is_delimiter(o)
   Call: (193) [system] char_type(o, space)
   Fail: (193) [system] char_type(o, space)
   Call: (193) [system] arg(_1316748, v('(', ')', end_of_file), o)
   Fail: (193) [system] arg(_1317680, v('(', ')', end_of_file), o)
^  Fail: (192) [user] is_delimiter(o)
   Call: (192) [system] ')'==o
   Fail: (192) [system] ')'==o
   Call: (192) [system] get_char((0x563acd73bee0), o)
   Exit: (192) [system] get_char((0x563acd73bee0), o)
   Call: (192) [system] o=(\)
   Fail: (192) [system] o=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), _1325030)
   Call: (193) [system] peek_char((0x563acd73bee0), _1325964)
   Exit: (193) [system] peek_char((0x563acd73bee0), m)
^  Call: (193) [user] is_delimiter(m)
   Call: (194) [system] char_type(m, space)
   Fail: (194) [system] char_type(m, space)
   Call: (194) [system] arg(_1330684, v('(', ')', end_of_file), m)
   Fail: (194) [system] arg(_1331616, v('(', ')', end_of_file), m)
^  Fail: (193) [user] is_delimiter(m)
   Call: (193) [system] ')'==m
   Fail: (193) [system] ')'==m
   Call: (193) [system] get_char((0x563acd73bee0), m)
   Exit: (193) [system] get_char((0x563acd73bee0), m)
   Call: (193) [system] m=(\)
   Fail: (193) [system] m=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _1338966)
   Call: (194) [system] peek_char((0x563acd73bee0), _1339900)
   Exit: (194) [system] peek_char((0x563acd73bee0), ')')
^  Call: (194) [user] is_delimiter(')')
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] arg(_1344620, v('(', ')', end_of_file), ')')
   Exit: (195) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (194) [user] is_delimiter(')')
   Call: (194) [system] _1338966=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (193) [system] _1325030=[m]
   Exit: (193) [system] [m]=[m]
^  Exit: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), [m])
   Call: (192) [system] _1311094=[o, m]
   Exit: (192) [system] [o, m]=[o, m]
^  Exit: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, m])
   Call: (191) [system] _1297158=[t, o, m]
   Exit: (191) [system] [t, o, m]=[t, o, m]
^  Exit: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, o, m])
^  Call: (190) [user] classify_and_convert_charseq(['A', t, o, m], _1261648)
^  Call: (191) [user] classify_and_convert_charseq_(['A', t, o, m], _1359438)
^  Call: (193) [system] setup_call_cleanup('$notrace'(_1360390, _1360392), once(user:catch(read_from_chars(['A', t, o, m], _1359438), _1360372, fail)), '$restore_trace'(_1360390, _1360392))
^  Call: (194) [system] sig_atomic(system:'$notrace'(_1360390, _1360392))
^  Exit: (193) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', t, o, m], _1359438), _1360372, fail)), system:'$restore_trace'(3, -1))
   Call: (192) [system] atomic(_1359438)
   Fail: (192) [system] atomic(_1359438)
   Call: (192) [system] atom_chars(_1359438, ['A', t, o, m])
   Exit: (192) [system] atom_chars('Atom', ['A', t, o, m])
^  Exit: (191) [user] classify_and_convert_charseq_(['A', t, o, m], 'Atom')
   Call: (191) [system] integer('Atom')
   Fail: (191) [system] integer('Atom')
   Call: (191) [system] _1261648='Atom'
   Exit: (191) [system] 'Atom'='Atom'
^  Exit: (190) [user] classify_and_convert_charseq(['A', t, o, m], 'Atom')
^  Exit: (189) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'Atom')
^  Exit: (188) [user] cont_sexpr(')', (0x563acd73bee0), 'Atom')
^  Call: (188) [user] read_list(')', (0x563acd73bee0), _1374388)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1376246)
   Exit: (190) [system] peek_char((0x563acd73bee0), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
   Call: (190) [system] ')'=(/)
   Fail: (190) [system] ')'=(/)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1392256)
   Exit: (189) [system] peek_char((0x563acd73bee0), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x563acd73bee0), _1396046)
   Exit: (189) [system] get_char((0x563acd73bee0), ')')
   Call: (189) [system] _1374388=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x563acd73bee0), [])
   Call: (188) [system] _1224988=['Atom']
   Exit: (188) [system] ['Atom']=['Atom']
^  Exit: (187) [user] read_list(')', (0x563acd73bee0), ['Atom'])
   Call: (187) [system] _1104432=[->, 'Atom']
   Exit: (187) [system] [->, 'Atom']=[->, 'Atom']
^  Exit: (186) [user] read_list(')', (0x563acd73bee0), [->, 'Atom'])
^  Exit: (185) [user] cont_sexpr(')', (0x563acd73bee0), [->, 'Atom'])
^  Call: (185) [user] read_list(')', (0x563acd73bee0), _1407134)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _1408992)
   Exit: (187) [system] peek_char((0x563acd73bee0), ')')
   Call: (187) [system] ')'=(;)
   Fail: (187) [system] ')'=(;)
   Call: (187) [system] ')'=(/)
   Fail: (187) [system] ')'=(/)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Fail: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Fail: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Fail: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
   Fail: (188) [system] char_type(')', cntrl)
^  Fail: (187) [user] is_like_space(')')
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1425002)
   Exit: (186) [system] peek_char((0x563acd73bee0), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x563acd73bee0), _1428792)
   Exit: (186) [system] get_char((0x563acd73bee0), ')')
   Call: (186) [system] _1407134=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x563acd73bee0), [])
   Call: (185) [system] _1067772=[[->, 'Atom']]
   Exit: (185) [system] [[->, 'Atom']]=[[->, 'Atom']]
^  Exit: (184) [user] read_list(')', (0x563acd73bee0), [[->, 'Atom']])
   Call: (184) [system] _955574=[kb, [->, 'Atom']]
   Exit: (184) [system] [kb, [->, 'Atom']]=[kb, [->, 'Atom']]
^  Exit: (183) [user] read_list(')', (0x563acd73bee0), [kb, [->, 'Atom']])
   Call: (183) [system] _818272=[:, kb, [->, 'Atom']]
   Exit: (183) [system] [:, kb, [->, 'Atom']]=[:, kb, [->, 'Atom']]
^  Exit: (182) [user] read_list(')', (0x563acd73bee0), [:, kb, [->, 'Atom']])
^  Exit: (181) [user] cont_sexpr(')', (0x563acd73bee0), [:, kb, [->, 'Atom']])
^  Exit: (180) [user] read_sexpr((0x563acd73bee0), [:, kb, [->, 'Atom']])
^  Call: (180) [user] assertz(metta_file_comment(94, 0, 3966, [:, kb, [->, 'Atom']], '$stream_position'(3966, 94, 0, 3966)))
^  Exit: (180) [user] assertz(metta_file_comment(94, 0, 3966, [:, kb, [->, 'Atom']], '$stream_position'(3966, 94, 0, 3966)))
^  Exit: (178) [system] once(user:(read_position((0x563acd73bee0), 94, 0, 3966, '$stream_position'(3966, 94, 0, 3966)), read_sexpr((0x563acd73bee0), [:, kb, [->, 'Atom']]), assertz(metta_file_comment(94, 0, 3966, [:, kb, [->, 'Atom']], '$stream_position'(3966, 94, 0, 3966)))))
   Call: (178) [system] fail
^  Call: (178) [user] retract(metta_file_comment(_1447310, _1447312, _1447314, _1447316, _1447318))
^  Exit: (178) [user] retract(metta_file_comment(44, 0, 1384, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$stream_position'(1384, 44, 0, 1384)))
^  Call: (178) [user] trly(untyped_to_metta, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _3084)
^  Call: (179) [user] once(call(untyped_to_metta, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _1450158))
^  Call: (180) [user] call(untyped_to_metta, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _1450158)
^  Call: (181) [user] untyped_to_metta('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _1450158)
^  Call: (182) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _1452974))
^  Call: (183) [user] once(user:trly(mfix_vars1, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _1452974))
^  Call: (184) [user] trly(mfix_vars1, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _1452974)
^  Call: (185) [user] once(call(mfix_vars1, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _1455774))
^  Call: (186) [user] call(mfix_vars1, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _1455774)
^  Call: (187) [user] mfix_vars1('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _1455774)
   Call: (188) [system] var('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
   Call: (188) [system] atom('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
   Call: (188) [system] '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)==true
   Call: (188) [system] '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)==false
   Call: (188) [system] '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)==[_1462294, _1462300]
   Call: (188) [system] is_list('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
   Call: (188) [system] string('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
   Call: (188) [system] compound('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
   Exit: (188) [system] compound('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
   Call: (188) [system] compound_name_arguments('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _1466928, _1466930)
   Exit: (188) [system] compound_name_arguments('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT', [";; $depth: a Nat representing the maximum depth of the generated", 44, 0])
   Call: (188) [system] '$COMMENT'\=='$VAR'
   Exit: (188) [system] '$COMMENT'\=='$VAR'
^  Call: (188) [user] apply:maplist(mfix_vars1, [";; $depth: a Nat representing the maximum depth of the generated", 44, 0], _1470670)
   Call: (189) [apply] apply:maplist_([";; $depth: a Nat representing the maximum depth of the generated", 44, 0], _1470670, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(";; $depth: a Nat representing the maximum depth of the generated", _1472550)
   Call: (191) [system] var(";; $depth: a Nat representing the maximum depth of the generated")
   Call: (191) [system] atom(";; $depth: a Nat representing the maximum depth of the generated")
   Call: (191) [system] ";; $depth: a Nat representing the maximum depth of the generated"==true
   Call: (191) [system] ";; $depth: a Nat representing the maximum depth of the generated"==false
   Call: (191) [system] ";; $depth: a Nat representing the maximum depth of the generated"==[_1477192, _1477198]
   Call: (191) [system] is_list(";; $depth: a Nat representing the maximum depth of the generated")
   Call: (191) [system] string(";; $depth: a Nat representing the maximum depth of the generated")
   Exit: (191) [system] string(";; $depth: a Nat representing the maximum depth of the generated")
^  Call: (191) [user] string_to_syms
   Call: (192) [system] fail
   Call: (191) [system] compound(";; $depth: a Nat representing the maximum depth of the generated")
^  Call: (191) [user] symbol(";; $depth: a Nat representing the maximum depth of the generated")
   Call: (192) [system] atom(";; $depth: a Nat representing the maximum depth of the generated")
   Fail: (192) [system] atom(";; $depth: a Nat representing the maximum depth of the generated")
^  Fail: (191) [user] symbol(";; $depth: a Nat representing the maximum depth of the generated")
   Call: (191) [system] ";; $depth: a Nat representing the maximum depth of the generated"=_1472550
   Exit: (191) [system] ";; $depth: a Nat representing the maximum depth of the generated"=";; $depth: a Nat representing the maximum depth of the generated"
^  Exit: (190) [user] mfix_vars1(";; $depth: a Nat representing the maximum depth of the generated", ";; $depth: a Nat representing the maximum depth of the generated")
   Call: (190) [apply] apply:maplist_([44, 0], _1472552, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(44, _1491072)
   Call: (192) [system] var(44)
   Call: (192) [system] atom(44)
   Call: (192) [system] 44==true
   Call: (192) [system] 44==false
   Call: (192) [system] 44==[_1495714, _1495720]
   Call: (192) [system] is_list(44)
   Call: (192) [system] string(44)
   Call: (192) [system] compound(44)
^  Call: (192) [user] symbol(44)
   Call: (193) [system] atom(44)
   Fail: (193) [system] atom(44)
^  Fail: (192) [user] symbol(44)
   Call: (192) [system] 44=_1491072
   Exit: (192) [system] 44=44
^  Exit: (191) [user] mfix_vars1(44, 44)
   Call: (191) [apply] apply:maplist_([0], _1491074, user:mfix_vars1)
^  Call: (192) [user] mfix_vars1(0, _1506838)
   Call: (193) [system] var(0)
   Call: (193) [system] atom(0)
   Call: (193) [system] 0==true
   Call: (193) [system] 0==false
   Call: (193) [system] 0==[_1511480, _1511486]
   Call: (193) [system] is_list(0)
   Call: (193) [system] string(0)
   Call: (193) [system] compound(0)
^  Call: (193) [user] symbol(0)
   Call: (194) [system] atom(0)
   Fail: (194) [system] atom(0)
^  Fail: (193) [user] symbol(0)
   Call: (193) [system] 0=_1506838
   Exit: (193) [system] 0=0
^  Exit: (192) [user] mfix_vars1(0, 0)
   Call: (192) [apply] apply:maplist_([], _1506840, user:mfix_vars1)
   Exit: (192) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([44, 0], [44, 0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([";; $depth: a Nat representing the maximum depth of the generated", 44, 0], [";; $depth: a Nat representing the maximum depth of the generated", 44, 0], user:mfix_vars1)
^  Exit: (188) [apply] apply:maplist(user:mfix_vars1, [";; $depth: a Nat representing the maximum depth of the generated", 44, 0], [";; $depth: a Nat representing the maximum depth of the generated", 44, 0])
   Call: (188) [system] compound_name_arguments(_1455774, '$COMMENT', [";; $depth: a Nat representing the maximum depth of the generated", 44, 0])
   Exit: (188) [system] compound_name_arguments('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT', [";; $depth: a Nat representing the maximum depth of the generated", 44, 0])
^  Exit: (187) [user] mfix_vars1('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (186) [system] call(user:mfix_vars1, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (185) [system] once(user:call(mfix_vars1, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)))
   Call: (185) [system] '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)\=@='$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)
^  Exit: (184) [user] trly(mfix_vars1, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (183) [system] once(user:trly(mfix_vars1, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)))
^  Exit: (182) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)))
^  Call: (182) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _1535656))
^  Call: (183) [user] once(user:trly(cons_to_c, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _1535656))
^  Call: (184) [user] trly(cons_to_c, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _1535656)
^  Call: (185) [user] once(call(cons_to_c, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _1538456))
^  Call: (186) [user] call(cons_to_c, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _1538456)
^  Call: (187) [user] cons_to_c('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _1538456)
^  Call: (188) [user] no_cons_reduce
^  Exit: (188) [user] no_cons_reduce
^  Exit: (187) [user] cons_to_c('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (186) [system] call(user:cons_to_c, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (185) [system] once(user:call(cons_to_c, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)))
   Call: (185) [system] '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)\=@='$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)
^  Exit: (184) [user] trly(cons_to_c, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (183) [system] once(user:trly(cons_to_c, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)))
^  Exit: (182) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)))
^  Call: (182) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _1450158))
^  Call: (183) [user] once(user:trly(cons_to_l, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _1450158))
^  Call: (184) [user] trly(cons_to_l, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _1450158)
^  Call: (185) [user] once(call(cons_to_l, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _1552414))
^  Call: (186) [user] call(cons_to_l, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _1552414)
^  Call: (187) [user] cons_to_l('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _1552414)
^  Call: (188) [user] no_cons_reduce
^  Exit: (188) [user] no_cons_reduce
^  Exit: (187) [user] cons_to_l('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (186) [system] call(user:cons_to_l, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (185) [system] once(user:call(cons_to_l, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)))
   Call: (185) [system] '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)\=@='$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)
^  Exit: (184) [user] trly(cons_to_l, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (183) [system] once(user:trly(cons_to_l, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)))
^  Exit: (182) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)))
^  Exit: (181) [user] untyped_to_metta('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (180) [system] call(user:untyped_to_metta, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (179) [system] once(user:call(untyped_to_metta, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)))
   Call: (179) [system] '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)\=@='$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)
^  Exit: (178) [user] trly(untyped_to_metta, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (177) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
   Call: (177) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))))
   Exit: (177) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))))
^  Exit: (176) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (175) [user] parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (171) [user] read_sform((0x563acd73bee0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (170) [system] once(user:read_sform((0x563acd73bee0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x563acd73bee0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)))
   Call: (169) [system] '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1727204591.9963977), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204591.9963977), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)), 92]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), ynthesize_long_1727204587_629323, 92)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1727204591.9963977), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204591.9963977), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)), 92]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1727204595.8654716)
   Call: (173) [system] arg(1, t(1727204591.9963977), _3148)
   Exit: (173) [system] arg(1, t(1727204591.9963977), 1727204591.9963977)
   Call: (173) [system] _3158 is 1727204595.8654716-1727204591.9963977
   Exit: (173) [system] 3.8690738677978516 is 1727204595.8654716-1727204591.9963977
   Call: (173) [system] 3.8690738677978516>4
   Fail: (173) [system] 3.8690738677978516>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1727204591.9963977), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204591.9963977), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)), 92]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 10)
   Call: (175) [system] atom(10+1)
   Call: (175) [system] set_flag(translated_forms, 11)
   Exit: (175) [system] set_flag(translated_forms, 11)
   Exit: (174) [$syspreds] update_flag(translated_forms, 10, 10+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 10, 10+1))
   Exit: (171) [$syspreds] flag(translated_forms, 10, 10+1)
^  Call: (171) [user] write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), ynthesize_long_1727204587_629323, 92)
^  Call: (172) [user] format((0x563acd7397e0), "/* ~w */~n", [";; $depth: a Nat representing the maximum depth of the generated"])
^  Exit: (172) [user] format((0x563acd7397e0), "/* ~w */~n", [";; $depth: a Nat representing the maximum depth of the generated"])
^  Exit: (171) [user] write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), ynthesize_long_1727204587_629323, 92)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1727204591.9963977), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204591.9963977), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)), 92]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 10, 10+1), write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), ynthesize_long_1727204587_629323, 92)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x563acd73bee0))
   Fail: (169) [system] at_end_of_stream((0x563acd73bee0))
^  Call: (169) [user] must_det_ll(line_count((0x563acd73bee0), _3074))
^  Call: (170) [user] once(user:line_count((0x563acd73bee0), _3074))
   Call: (171) [system] line_count((0x563acd73bee0), _3074)
   Exit: (171) [system] line_count((0x563acd73bee0), 94)
^  Exit: (170) [system] once(user:line_count((0x563acd73bee0), 94))
^  Exit: (169) [user] must_det_ll(user:line_count((0x563acd73bee0), 94))
^  Call: (169) [user] must_det_ll(read_sform((0x563acd73bee0), _3084))
^  Call: (170) [user] once(user:read_sform((0x563acd73bee0), _3084))
^  Call: (171) [user] read_sform((0x563acd73bee0), _3084)
   Call: (172) [system] string((0x563acd73bee0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
   Call: (173) [system] string((0x563acd73bee0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), _3084)
   Call: (174) [system] at_end_of_stream((0x563acd73bee0))
   Call: (174) [system] peek_char((0x563acd73bee0), _1628126)
   Exit: (174) [system] peek_char((0x563acd73bee0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x563acd73bee0), '\n')
   Exit: (174) [system] get_char((0x563acd73bee0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x563acd73bee0), _3084)
   Call: (175) [system] at_end_of_stream((0x563acd73bee0))
   Call: (175) [system] peek_char((0x563acd73bee0), _1635548)
   Exit: (175) [system] peek_char((0x563acd73bee0), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
   Call: (176) [system] string((0x563acd73bee0))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), _3084)
   Call: (177) [system] at_end_of_stream((0x563acd73bee0))
   Call: (177) [system] peek_char((0x563acd73bee0), _1643886)
   Exit: (177) [system] peek_char((0x563acd73bee0), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _1646672=(0x563acd73bee0)
   Exit: (177) [system] (0x563acd73bee0)=(0x563acd73bee0)
^  Call: (177) [user] once((read_position((0x563acd73bee0), _1648540, _1648542, _1648544, _1648546), read_sexpr((0x563acd73bee0), _1648558), assertz(metta_file_comment(_1648540, _1648542, _1648544, _1648558, _1648546))))
^  Call: (179) [user] read_position((0x563acd73bee0), _1648540, _1648542, _1648544, _1648546)
   Call: (180) [system] stream_property((0x563acd73bee0), position(_1648546))
   Call: (181) [system] nonvar((0x563acd73bee0))
   Exit: (181) [system] nonvar((0x563acd73bee0))
   Call: (181) [system] nonvar(position(_1648546))
   Exit: (181) [system] nonvar(position(_1648546))
   Exit: (180) [system] stream_property((0x563acd73bee0), position('$stream_position'(3983, 95, 0, 3983)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(3983, 95, 0, 3983), _1648540)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _1658798)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(3983, 95, 0, 3983), _1648540)
   Exit: (181) [system] arg(2, '$stream_position'(3983, 95, 0, 3983), 95)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(3983, 95, 0, 3983), 95)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(3983, 95, 0, 3983), _1648542)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _1666232)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(3983, 95, 0, 3983), _1648542)
   Exit: (181) [system] arg(3, '$stream_position'(3983, 95, 0, 3983), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(3983, 95, 0, 3983), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(3983, 95, 0, 3983), _1648544)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _1673666)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(3983, 95, 0, 3983), _1648544)
   Exit: (181) [system] arg(1, '$stream_position'(3983, 95, 0, 3983), 3983)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(3983, 95, 0, 3983), 3983)
^  Exit: (179) [user] read_position((0x563acd73bee0), 95, 0, 3983, '$stream_position'(3983, 95, 0, 3983))
^  Call: (179) [user] read_sexpr((0x563acd73bee0), _1648558)
   Call: (180) [system] string((0x563acd73bee0))
   Fail: (180) [system] string((0x563acd73bee0))
^  Call: (180) [user] cont_sexpr(')', (0x563acd73bee0), _1648558)
^  Call: (181) [user] skip_spaces((0x563acd73bee0))
   Call: (182) [system] peek_char((0x563acd73bee0), _1683892)
   Exit: (182) [system] peek_char((0x563acd73bee0), '(')
   Call: (182) [system] '('=(;)
   Fail: (182) [system] '('=(;)
   Call: (182) [system] '('=(/)
   Fail: (182) [system] '('=(/)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Fail: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Fail: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Fail: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
   Fail: (183) [system] char_type('(', cntrl)
^  Fail: (182) [user] is_like_space('(')
^  Exit: (181) [user] skip_spaces((0x563acd73bee0))
   Call: (181) [system] get_char((0x563acd73bee0), _1699902)
   Exit: (181) [system] get_char((0x563acd73bee0), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x563acd73bee0), _1648558)
^  Call: (182) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] peek_char((0x563acd73bee0), _1705472)
   Exit: (183) [system] peek_char((0x563acd73bee0), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
   Call: (183) [system] (=)=(/)
   Fail: (183) [system] (=)=(/)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x563acd73bee0))
   Call: (182) [system] peek_char((0x563acd73bee0), _1721482)
   Exit: (182) [system] peek_char((0x563acd73bee0), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x563acd73bee0), _1727052)
^  Call: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _1728910)
   Exit: (184) [system] peek_char((0x563acd73bee0), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
   Call: (184) [system] (=)=(/)
   Fail: (184) [system] (=)=(/)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] get_char((0x563acd73bee0), _1744920)
   Exit: (183) [system] get_char((0x563acd73bee0), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x563acd73bee0), =, _1727052)
^  Call: (184) [user] read_symbolic_cont(')', (0x563acd73bee0), _1762562)
   Call: (185) [system] peek_char((0x563acd73bee0), _1763496)
   Exit: (185) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _1762562=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (184) [user] classify_and_convert_charseq([=], _1727052)
^  Call: (185) [user] classify_and_convert_charseq_([=], _1772780)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_1773732, _1773734), once(user:catch(read_from_chars([=], _1772780), _1773714, fail)), '$restore_trace'(_1773732, _1773734))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_1773732, _1773734))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _1773714, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(=)
   Exit: (186) [system] atomic(=)
^  Exit: (185) [user] classify_and_convert_charseq_([=], =)
   Call: (185) [system] integer(=)
   Fail: (185) [system] integer(=)
   Call: (185) [system] _1727052=(=)
   Exit: (185) [system] (=)=(=)
^  Exit: (184) [user] classify_and_convert_charseq([=], =)
^  Exit: (183) [user] read_symbolic(')', (0x563acd73bee0), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x563acd73bee0), =)
^  Call: (182) [user] read_list(')', (0x563acd73bee0), _1785860)
^  Call: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _1787718)
   Exit: (184) [system] peek_char((0x563acd73bee0), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
   Call: (184) [system] ' '=(/)
   Fail: (184) [system] ' '=(/)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x563acd73bee0), _1797312)
   Exit: (184) [system] get_char((0x563acd73bee0), ' ')
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _1800016)
   Exit: (185) [system] peek_char((0x563acd73bee0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
^  Exit: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] peek_char((0x563acd73bee0), _1816950)
   Exit: (183) [system] peek_char((0x563acd73bee0), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x563acd73bee0), _1822520)
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _1824378)
   Exit: (185) [system] peek_char((0x563acd73bee0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] get_char((0x563acd73bee0), _1840388)
   Exit: (184) [system] get_char((0x563acd73bee0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x563acd73bee0), _1822520)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1845958)
   Exit: (186) [system] peek_char((0x563acd73bee0), k)
   Call: (186) [system] k=(;)
   Fail: (186) [system] k=(;)
   Call: (186) [system] k=(/)
   Fail: (186) [system] k=(/)
^  Call: (186) [user] is_like_space(k)
   Call: (187) [system] char_type(k, 'white')
   Fail: (187) [system] char_type(k, 'white')
   Call: (187) [system] char_type(k, end_of_line)
   Fail: (187) [system] char_type(k, end_of_line)
   Call: (187) [system] char_type(k, space)
   Fail: (187) [system] char_type(k, space)
   Call: (187) [system] char_type(k, cntrl)
   Fail: (187) [system] char_type(k, cntrl)
^  Fail: (186) [user] is_like_space(k)
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _1861968)
   Exit: (185) [system] peek_char((0x563acd73bee0), k)
   Call: (185) [system] k=')'
   Fail: (185) [system] k=')'
   Call: (185) [system] k=end_of_file
   Fail: (185) [system] k=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x563acd73bee0), _1867538)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _1869396)
   Exit: (187) [system] peek_char((0x563acd73bee0), k)
   Call: (187) [system] k=(;)
   Fail: (187) [system] k=(;)
   Call: (187) [system] k=(/)
   Fail: (187) [system] k=(/)
^  Call: (187) [user] is_like_space(k)
   Call: (188) [system] char_type(k, 'white')
   Fail: (188) [system] char_type(k, 'white')
   Call: (188) [system] char_type(k, end_of_line)
   Fail: (188) [system] char_type(k, end_of_line)
   Call: (188) [system] char_type(k, space)
   Fail: (188) [system] char_type(k, space)
   Call: (188) [system] char_type(k, cntrl)
   Fail: (188) [system] char_type(k, cntrl)
^  Fail: (187) [user] is_like_space(k)
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] get_char((0x563acd73bee0), _1885406)
   Exit: (186) [system] get_char((0x563acd73bee0), k)
   Call: (186) [system] k='('
   Fail: (186) [system] k='('
   Call: (186) [system] k='['
   Fail: (186) [system] k='['
   Call: (186) [system] k='{'
   Fail: (186) [system] k='{'
   Call: (186) [system] k='"'
   Fail: (186) [system] k='"'
   Call: (186) [system] k=!
   Fail: (186) [system] k=!
   Call: (186) [system] k='\''
   Fail: (186) [system] k='\''
   Call: (186) [system] k='`'
   Fail: (186) [system] k='`'
   Call: (186) [system] k=end_of_file
   Fail: (186) [system] k=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x563acd73bee0), k, _1867538)
^  Call: (187) [user] read_symbolic_cont(')', (0x563acd73bee0), _1903048)
   Call: (188) [system] peek_char((0x563acd73bee0), _1903982)
   Exit: (188) [system] peek_char((0x563acd73bee0), b)
^  Call: (188) [user] is_delimiter(b)
   Call: (189) [system] char_type(b, space)
   Fail: (189) [system] char_type(b, space)
   Call: (189) [system] arg(_1908702, v('(', ')', end_of_file), b)
   Fail: (189) [system] arg(_1909634, v('(', ')', end_of_file), b)
^  Fail: (188) [user] is_delimiter(b)
   Call: (188) [system] ')'==b
   Fail: (188) [system] ')'==b
   Call: (188) [system] get_char((0x563acd73bee0), b)
   Exit: (188) [system] get_char((0x563acd73bee0), b)
   Call: (188) [system] b=(\)
   Fail: (188) [system] b=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), _1916984)
   Call: (189) [system] peek_char((0x563acd73bee0), _1917918)
   Exit: (189) [system] peek_char((0x563acd73bee0), ')')
^  Call: (189) [user] is_delimiter(')')
   Call: (190) [system] char_type(')', space)
   Fail: (190) [system] char_type(')', space)
   Call: (190) [system] arg(_1922638, v('(', ')', end_of_file), ')')
   Exit: (190) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (189) [user] is_delimiter(')')
   Call: (189) [system] _1916984=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (188) [system] _1903048=[b]
   Exit: (188) [system] [b]=[b]
^  Exit: (187) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
^  Call: (187) [user] classify_and_convert_charseq([k, b], _1867538)
^  Call: (188) [user] classify_and_convert_charseq_([k, b], _1931868)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_1932820, _1932822), once(user:catch(read_from_chars([k, b], _1931868), _1932802, fail)), '$restore_trace'(_1932820, _1932822))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_1932820, _1932822))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([k, b], kb), _1932802, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(kb)
   Exit: (189) [system] atomic(kb)
^  Exit: (188) [user] classify_and_convert_charseq_([k, b], kb)
   Call: (188) [system] integer(kb)
   Fail: (188) [system] integer(kb)
   Call: (188) [system] _1867538=kb
   Exit: (188) [system] kb=kb
^  Exit: (187) [user] classify_and_convert_charseq([k, b], kb)
^  Exit: (186) [user] read_symbolic(')', (0x563acd73bee0), k, kb)
^  Exit: (185) [user] cont_sexpr(')', (0x563acd73bee0), kb)
^  Call: (185) [user] read_list(')', (0x563acd73bee0), _1944948)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _1946806)
   Exit: (187) [system] peek_char((0x563acd73bee0), ')')
   Call: (187) [system] ')'=(;)
   Fail: (187) [system] ')'=(;)
   Call: (187) [system] ')'=(/)
   Fail: (187) [system] ')'=(/)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Fail: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Fail: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Fail: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
   Fail: (188) [system] char_type(')', cntrl)
^  Fail: (187) [user] is_like_space(')')
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1962816)
   Exit: (186) [system] peek_char((0x563acd73bee0), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x563acd73bee0), _1966606)
   Exit: (186) [system] get_char((0x563acd73bee0), ')')
   Call: (186) [system] _1944948=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x563acd73bee0), [])
   Call: (185) [system] _1822520=[kb]
   Exit: (185) [system] [kb]=[kb]
^  Exit: (184) [user] read_list(')', (0x563acd73bee0), [kb])
^  Exit: (183) [user] cont_sexpr(')', (0x563acd73bee0), [kb])
^  Call: (183) [user] read_list(')', (0x563acd73bee0), _1974900)
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _1976758)
   Exit: (185) [system] peek_char((0x563acd73bee0), ' ')
   Call: (185) [system] ' '=(;)
   Fail: (185) [system] ' '=(;)
   Call: (185) [system] ' '=(/)
   Fail: (185) [system] ' '=(/)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x563acd73bee0), _1986352)
   Exit: (185) [system] get_char((0x563acd73bee0), ' ')
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1989056)
   Exit: (186) [system] peek_char((0x563acd73bee0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _2005990)
   Exit: (184) [system] peek_char((0x563acd73bee0), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x563acd73bee0), _2011560)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _2013418)
   Exit: (186) [system] peek_char((0x563acd73bee0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] get_char((0x563acd73bee0), _2029428)
   Exit: (185) [system] get_char((0x563acd73bee0), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x563acd73bee0), _2011560)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _2034998)
   Exit: (187) [system] peek_char((0x563acd73bee0), :)
   Call: (187) [system] (:)=(;)
   Fail: (187) [system] (:)=(;)
   Call: (187) [system] (:)=(/)
   Fail: (187) [system] (:)=(/)
^  Call: (187) [user] is_like_space(:)
   Call: (188) [system] char_type(:, 'white')
   Fail: (188) [system] char_type(:, 'white')
   Call: (188) [system] char_type(:, end_of_line)
   Fail: (188) [system] char_type(:, end_of_line)
   Call: (188) [system] char_type(:, space)
   Fail: (188) [system] char_type(:, space)
   Call: (188) [system] char_type(:, cntrl)
   Fail: (188) [system] char_type(:, cntrl)
^  Fail: (187) [user] is_like_space(:)
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _2051008)
   Exit: (186) [system] peek_char((0x563acd73bee0), :)
   Call: (186) [system] (:)=')'
   Fail: (186) [system] (:)=')'
   Call: (186) [system] (:)=end_of_file
   Fail: (186) [system] (:)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x563acd73bee0), _2056578)
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _2058436)
   Exit: (188) [system] peek_char((0x563acd73bee0), :)
   Call: (188) [system] (:)=(;)
   Fail: (188) [system] (:)=(;)
   Call: (188) [system] (:)=(/)
   Fail: (188) [system] (:)=(/)
^  Call: (188) [user] is_like_space(:)
   Call: (189) [system] char_type(:, 'white')
   Fail: (189) [system] char_type(:, 'white')
   Call: (189) [system] char_type(:, end_of_line)
   Fail: (189) [system] char_type(:, end_of_line)
   Call: (189) [system] char_type(:, space)
   Fail: (189) [system] char_type(:, space)
   Call: (189) [system] char_type(:, cntrl)
   Fail: (189) [system] char_type(:, cntrl)
^  Fail: (188) [user] is_like_space(:)
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] get_char((0x563acd73bee0), _2074446)
   Exit: (187) [system] get_char((0x563acd73bee0), :)
   Call: (187) [system] (:)='('
   Fail: (187) [system] (:)='('
   Call: (187) [system] (:)='['
   Fail: (187) [system] (:)='['
   Call: (187) [system] (:)='{'
   Fail: (187) [system] (:)='{'
   Call: (187) [system] (:)='"'
   Fail: (187) [system] (:)='"'
   Call: (187) [system] (:)=!
   Fail: (187) [system] (:)=!
   Call: (187) [system] (:)='\''
   Fail: (187) [system] (:)='\''
   Call: (187) [system] (:)='`'
   Fail: (187) [system] (:)='`'
   Call: (187) [system] (:)=end_of_file
   Fail: (187) [system] (:)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x563acd73bee0), :, _2056578)
^  Call: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), _2092088)
   Call: (189) [system] peek_char((0x563acd73bee0), _2093022)
   Exit: (189) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (189) [user] is_delimiter(' ')
   Call: (190) [system] char_type(' ', space)
   Exit: (190) [system] char_type(' ', space)
^  Exit: (189) [user] is_delimiter(' ')
   Call: (189) [system] _3388=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (188) [user] classify_and_convert_charseq([:], _3384)
^  Call: (189) [user] classify_and_convert_charseq_([:], _8830)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_9782, _9784), once(user:catch(read_from_chars([:], _8830), _9764, fail)), '$restore_trace'(_9782, _9784))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_9782, _9784))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _9764, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(:)
   Exit: (190) [system] atomic(:)
^  Exit: (189) [user] classify_and_convert_charseq_([:], :)
   Call: (189) [system] integer(:)
   Fail: (189) [system] integer(:)
   Call: (189) [system] _3384=(:)
   Exit: (189) [system] (:)=(:)
^  Exit: (188) [user] classify_and_convert_charseq([:], :)
^  Exit: (187) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (186) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (186) [user] read_list(')', (0x563acd73bee0), _21910)
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _23768)
   Exit: (188) [system] peek_char((0x563acd73bee0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x563acd73bee0), _33362)
   Exit: (188) [system] get_char((0x563acd73bee0), ' ')
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _36066)
   Exit: (189) [system] peek_char((0x563acd73bee0), a)
   Call: (189) [system] a=(;)
   Fail: (189) [system] a=(;)
   Call: (189) [system] a=(/)
   Fail: (189) [system] a=(/)
^  Call: (189) [user] is_like_space(a)
   Call: (190) [system] char_type(a, 'white')
   Fail: (190) [system] char_type(a, 'white')
   Call: (190) [system] char_type(a, end_of_line)
   Fail: (190) [system] char_type(a, end_of_line)
   Call: (190) [system] char_type(a, space)
   Fail: (190) [system] char_type(a, space)
   Call: (190) [system] char_type(a, cntrl)
   Fail: (190) [system] char_type(a, cntrl)
^  Fail: (189) [user] is_like_space(a)
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _53000)
   Exit: (187) [system] peek_char((0x563acd73bee0), a)
   Call: (187) [system] a=')'
   Fail: (187) [system] a=')'
   Call: (187) [system] a=end_of_file
   Fail: (187) [system] a=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x563acd73bee0), _58570)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _60428)
   Exit: (189) [system] peek_char((0x563acd73bee0), a)
   Call: (189) [system] a=(;)
   Fail: (189) [system] a=(;)
   Call: (189) [system] a=(/)
   Fail: (189) [system] a=(/)
^  Call: (189) [user] is_like_space(a)
   Call: (190) [system] char_type(a, 'white')
   Fail: (190) [system] char_type(a, 'white')
   Call: (190) [system] char_type(a, end_of_line)
   Fail: (190) [system] char_type(a, end_of_line)
   Call: (190) [system] char_type(a, space)
   Fail: (190) [system] char_type(a, space)
   Call: (190) [system] char_type(a, cntrl)
   Fail: (190) [system] char_type(a, cntrl)
^  Fail: (189) [user] is_like_space(a)
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] get_char((0x563acd73bee0), _76438)
   Exit: (188) [system] get_char((0x563acd73bee0), a)
   Call: (188) [system] a='('
   Fail: (188) [system] a='('
   Call: (188) [system] a='['
   Fail: (188) [system] a='['
   Call: (188) [system] a='{'
   Fail: (188) [system] a='{'
   Call: (188) [system] a='"'
   Fail: (188) [system] a='"'
   Call: (188) [system] a=!
   Fail: (188) [system] a=!
   Call: (188) [system] a='\''
   Fail: (188) [system] a='\''
   Call: (188) [system] a='`'
   Fail: (188) [system] a='`'
   Call: (188) [system] a=end_of_file
   Fail: (188) [system] a=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x563acd73bee0), a, _58570)
^  Call: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), _94080)
   Call: (190) [system] peek_char((0x563acd73bee0), _95014)
   Exit: (190) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (190) [user] is_delimiter(' ')
   Call: (191) [system] char_type(' ', space)
   Exit: (191) [system] char_type(' ', space)
^  Exit: (190) [user] is_delimiter(' ')
   Call: (190) [system] _94080=[]
   Exit: (190) [system] []=[]
^  Exit: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (189) [user] classify_and_convert_charseq([a], _58570)
^  Call: (190) [user] classify_and_convert_charseq_([a], _104298)
^  Call: (192) [system] setup_call_cleanup('$notrace'(_105250, _105252), once(user:catch(read_from_chars([a], _104298), _105232, fail)), '$restore_trace'(_105250, _105252))
^  Call: (193) [system] sig_atomic(system:'$notrace'(_105250, _105252))
^  Exit: (192) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _105232, fail)), system:'$restore_trace'(3, -1))
   Call: (191) [system] atomic(a)
   Exit: (191) [system] atomic(a)
^  Exit: (190) [user] classify_and_convert_charseq_([a], a)
   Call: (190) [system] integer(a)
   Fail: (190) [system] integer(a)
   Call: (190) [system] _58570=a
   Exit: (190) [system] a=a
^  Exit: (189) [user] classify_and_convert_charseq([a], a)
^  Exit: (188) [user] read_symbolic(')', (0x563acd73bee0), a, a)
^  Exit: (187) [user] cont_sexpr(')', (0x563acd73bee0), a)
^  Call: (187) [user] read_list(')', (0x563acd73bee0), _117378)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _119236)
   Exit: (189) [system] peek_char((0x563acd73bee0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x563acd73bee0), _128830)
   Exit: (189) [system] get_char((0x563acd73bee0), ' ')
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _131534)
   Exit: (190) [system] peek_char((0x563acd73bee0), 'A')
   Call: (190) [system] 'A'=(;)
   Fail: (190) [system] 'A'=(;)
   Call: (190) [system] 'A'=(/)
   Fail: (190) [system] 'A'=(/)
^  Call: (190) [user] is_like_space('A')
   Call: (191) [system] char_type('A', 'white')
   Fail: (191) [system] char_type('A', 'white')
   Call: (191) [system] char_type('A', end_of_line)
   Fail: (191) [system] char_type('A', end_of_line)
   Call: (191) [system] char_type('A', space)
   Fail: (191) [system] char_type('A', space)
   Call: (191) [system] char_type('A', cntrl)
   Fail: (191) [system] char_type('A', cntrl)
^  Fail: (190) [user] is_like_space('A')
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _148468)
   Exit: (188) [system] peek_char((0x563acd73bee0), 'A')
   Call: (188) [system] 'A'=')'
   Fail: (188) [system] 'A'=')'
   Call: (188) [system] 'A'=end_of_file
   Fail: (188) [system] 'A'=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x563acd73bee0), _154038)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _155896)
   Exit: (190) [system] peek_char((0x563acd73bee0), 'A')
   Call: (190) [system] 'A'=(;)
   Fail: (190) [system] 'A'=(;)
   Call: (190) [system] 'A'=(/)
   Fail: (190) [system] 'A'=(/)
^  Call: (190) [user] is_like_space('A')
   Call: (191) [system] char_type('A', 'white')
   Fail: (191) [system] char_type('A', 'white')
   Call: (191) [system] char_type('A', end_of_line)
   Fail: (191) [system] char_type('A', end_of_line)
   Call: (191) [system] char_type('A', space)
   Fail: (191) [system] char_type('A', space)
   Call: (191) [system] char_type('A', cntrl)
   Fail: (191) [system] char_type('A', cntrl)
^  Fail: (190) [user] is_like_space('A')
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] get_char((0x563acd73bee0), _171906)
   Exit: (189) [system] get_char((0x563acd73bee0), 'A')
   Call: (189) [system] 'A'='('
   Fail: (189) [system] 'A'='('
   Call: (189) [system] 'A'='['
   Fail: (189) [system] 'A'='['
   Call: (189) [system] 'A'='{'
   Fail: (189) [system] 'A'='{'
   Call: (189) [system] 'A'='"'
   Fail: (189) [system] 'A'='"'
   Call: (189) [system] 'A'=!
   Fail: (189) [system] 'A'=!
   Call: (189) [system] 'A'='\''
   Fail: (189) [system] 'A'='\''
   Call: (189) [system] 'A'='`'
   Fail: (189) [system] 'A'='`'
   Call: (189) [system] 'A'=end_of_file
   Fail: (189) [system] 'A'=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x563acd73bee0), 'A', _154038)
^  Call: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), _189548)
   Call: (191) [system] peek_char((0x563acd73bee0), _190482)
   Exit: (191) [system] peek_char((0x563acd73bee0), ')')
^  Call: (191) [user] is_delimiter(')')
   Call: (192) [system] char_type(')', space)
   Fail: (192) [system] char_type(')', space)
   Call: (192) [system] arg(_195202, v('(', ')', end_of_file), ')')
   Exit: (192) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (191) [user] is_delimiter(')')
   Call: (191) [system] _189548=[]
   Exit: (191) [system] []=[]
^  Exit: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (190) [user] classify_and_convert_charseq(['A'], _154038)
^  Call: (191) [user] classify_and_convert_charseq_(['A'], _201638)
^  Call: (193) [system] setup_call_cleanup('$notrace'(_202590, _202592), once(user:catch(read_from_chars(['A'], _201638), _202572, fail)), '$restore_trace'(_202590, _202592))
^  Call: (194) [system] sig_atomic(system:'$notrace'(_202590, _202592))
^  Exit: (193) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _201638), _202572, fail)), system:'$restore_trace'(3, -1))
   Call: (192) [system] atomic(_201638)
   Fail: (192) [system] atomic(_201638)
   Call: (192) [system] atom_chars(_201638, ['A'])
   Exit: (192) [system] atom_chars('A', ['A'])
^  Exit: (191) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (191) [system] integer('A')
   Fail: (191) [system] integer('A')
   Call: (191) [system] _154038='A'
   Exit: (191) [system] 'A'='A'
^  Exit: (190) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (189) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (188) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (188) [user] read_list(')', (0x563acd73bee0), _216588)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _218446)
   Exit: (190) [system] peek_char((0x563acd73bee0), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
   Call: (190) [system] ')'=(/)
   Fail: (190) [system] ')'=(/)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _234456)
   Exit: (189) [system] peek_char((0x563acd73bee0), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x563acd73bee0), _238246)
   Exit: (189) [system] get_char((0x563acd73bee0), ')')
   Call: (189) [system] _216588=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x563acd73bee0), [])
   Call: (188) [system] _117378=['A']
   Exit: (188) [system] ['A']=['A']
^  Exit: (187) [user] read_list(')', (0x563acd73bee0), ['A'])
   Call: (187) [system] _21910=[a, 'A']
   Exit: (187) [system] [a, 'A']=[a, 'A']
^  Exit: (186) [user] read_list(')', (0x563acd73bee0), [a, 'A'])
   Call: (186) [system] _3378=[:, a, 'A']
   Exit: (186) [system] [:, a, 'A']=[:, a, 'A']
^  Exit: (185) [user] read_list(')', (0x563acd73bee0), [:, a, 'A'])
^  Exit: (184) [user] cont_sexpr(')', (0x563acd73bee0), [:, a, 'A'])
^  Call: (184) [user] read_list(')', (0x563acd73bee0), _252128)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _253986)
   Exit: (186) [system] peek_char((0x563acd73bee0), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
   Call: (186) [system] ')'=(/)
   Fail: (186) [system] ')'=(/)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _269996)
   Exit: (185) [system] peek_char((0x563acd73bee0), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x563acd73bee0), _273786)
   Exit: (185) [system] get_char((0x563acd73bee0), ')')
   Call: (185) [system] _252128=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x563acd73bee0), [])
   Call: (184) [system] _3374=[[:, a, 'A']]
   Exit: (184) [system] [[:, a, 'A']]=[[:, a, 'A']]
^  Exit: (183) [user] read_list(')', (0x563acd73bee0), [[:, a, 'A']])
   Call: (183) [system] _3362=[[kb], [:, a, 'A']]
   Exit: (183) [system] [[kb], [:, a, 'A']]=[[kb], [:, a, 'A']]
^  Exit: (182) [user] read_list(')', (0x563acd73bee0), [[kb], [:, a, 'A']])
   Call: (182) [system] _3322=[=, [kb], [:, a, 'A']]
   Exit: (182) [system] [=, [kb], [:, a, 'A']]=[=, [kb], [:, a, 'A']]
^  Exit: (181) [user] read_list(')', (0x563acd73bee0), [=, [kb], [:, a, 'A']])
^  Exit: (180) [user] cont_sexpr(')', (0x563acd73bee0), [=, [kb], [:, a, 'A']])
^  Exit: (179) [user] read_sexpr((0x563acd73bee0), [=, [kb], [:, a, 'A']])
^  Call: (179) [user] assertz(metta_file_comment(95, 0, 3983, [=, [kb], [:, a, 'A']], '$stream_position'(3983, 95, 0, 3983)))
^  Exit: (179) [user] assertz(metta_file_comment(95, 0, 3983, [=, [kb], [:, a, 'A']], '$stream_position'(3983, 95, 0, 3983)))
^  Exit: (177) [system] once(user:(read_position((0x563acd73bee0), 95, 0, 3983, '$stream_position'(3983, 95, 0, 3983)), read_sexpr((0x563acd73bee0), [=, [kb], [:, a, 'A']]), assertz(metta_file_comment(95, 0, 3983, [=, [kb], [:, a, 'A']], '$stream_position'(3983, 95, 0, 3983)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_292304, _292306, _292308, _292310, _292312))
^  Exit: (177) [user] retract(metta_file_comment(45, 0, 1449, '$COMMENT'(";;         programs.", 45, 0), '$stream_position'(1449, 45, 0, 1449)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;         programs.", 45, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";;         programs.", 45, 0), _295140))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";;         programs.", 45, 0), _295140)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";;         programs.", 45, 0), _295140)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";;         programs.", 45, 0), _297956))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";;         programs.", 45, 0), _297956))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";;         programs.", 45, 0), _297956)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";;         programs.", 45, 0), _300756))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";;         programs.", 45, 0), _300756)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";;         programs.", 45, 0), _300756)
   Call: (187) [system] var('$COMMENT'(";;         programs.", 45, 0))
   Call: (187) [system] atom('$COMMENT'(";;         programs.", 45, 0))
   Call: (187) [system] '$COMMENT'(";;         programs.", 45, 0)==true
   Call: (187) [system] '$COMMENT'(";;         programs.", 45, 0)==false
   Call: (187) [system] '$COMMENT'(";;         programs.", 45, 0)==[_307276, _307282]
   Call: (187) [system] is_list('$COMMENT'(";;         programs.", 45, 0))
   Call: (187) [system] string('$COMMENT'(";;         programs.", 45, 0))
   Call: (187) [system] compound('$COMMENT'(";;         programs.", 45, 0))
   Exit: (187) [system] compound('$COMMENT'(";;         programs.", 45, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";;         programs.", 45, 0), _311910, _311912)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;         programs.", 45, 0), '$COMMENT', [";;         programs.", 45, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";;         programs.", 45, 0], _315652)
   Call: (188) [apply] apply:maplist_([";;         programs.", 45, 0], _315652, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";;         programs.", _317532)
   Call: (190) [system] var(";;         programs.")
   Call: (190) [system] atom(";;         programs.")
   Call: (190) [system] ";;         programs."==true
   Call: (190) [system] ";;         programs."==false
   Call: (190) [system] ";;         programs."==[_322174, _322180]
   Call: (190) [system] is_list(";;         programs.")
   Call: (190) [system] string(";;         programs.")
   Exit: (190) [system] string(";;         programs.")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";;         programs.")
^  Call: (190) [user] symbol(";;         programs.")
   Call: (191) [system] atom(";;         programs.")
   Fail: (191) [system] atom(";;         programs.")
^  Fail: (190) [user] symbol(";;         programs.")
   Call: (190) [system] ";;         programs."=_317532
   Exit: (190) [system] ";;         programs."=";;         programs."
^  Exit: (189) [user] mfix_vars1(";;         programs.", ";;         programs.")
   Call: (189) [apply] apply:maplist_([45, 0], _317534, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(45, _336054)
   Call: (191) [system] var(45)
   Call: (191) [system] atom(45)
   Call: (191) [system] 45==true
   Call: (191) [system] 45==false
   Call: (191) [system] 45==[_340696, _340702]
   Call: (191) [system] is_list(45)
   Call: (191) [system] string(45)
   Call: (191) [system] compound(45)
^  Call: (191) [user] symbol(45)
   Call: (192) [system] atom(45)
   Fail: (192) [system] atom(45)
^  Fail: (191) [user] symbol(45)
   Call: (191) [system] 45=_336054
   Exit: (191) [system] 45=45
^  Exit: (190) [user] mfix_vars1(45, 45)
   Call: (190) [apply] apply:maplist_([0], _336056, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _351820)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_356462, _356468]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_351820
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _351822, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([45, 0], [45, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";;         programs.", 45, 0], [";;         programs.", 45, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";;         programs.", 45, 0], [";;         programs.", 45, 0])
   Call: (187) [system] compound_name_arguments(_300756, '$COMMENT', [";;         programs.", 45, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;         programs.", 45, 0), '$COMMENT', [";;         programs.", 45, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0)))
   Call: (184) [system] '$COMMENT'(";;         programs.", 45, 0)\=@='$COMMENT'(";;         programs.", 45, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";;         programs.", 45, 0), _380638))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";;         programs.", 45, 0), _380638))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";;         programs.", 45, 0), _380638)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";;         programs.", 45, 0), _383438))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";;         programs.", 45, 0), _383438)
^  Call: (186) [user] cons_to_c('$COMMENT'(";;         programs.", 45, 0), _383438)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0)))
   Call: (184) [system] '$COMMENT'(";;         programs.", 45, 0)\=@='$COMMENT'(";;         programs.", 45, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";;         programs.", 45, 0), _295140))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";;         programs.", 45, 0), _295140))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";;         programs.", 45, 0), _295140)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";;         programs.", 45, 0), _397396))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";;         programs.", 45, 0), _397396)
^  Call: (186) [user] cons_to_l('$COMMENT'(";;         programs.", 45, 0), _397396)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0)))
   Call: (184) [system] '$COMMENT'(";;         programs.", 45, 0)\=@='$COMMENT'(";;         programs.", 45, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0)))
   Call: (178) [system] '$COMMENT'(";;         programs.", 45, 0)\=@='$COMMENT'(";;         programs.", 45, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";;         programs.", 45, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";;         programs.", 45, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";;         programs.", 45, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";;         programs.", 45, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";;         programs.", 45, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";;         programs.", 45, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";;         programs.", 45, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";;         programs.", 45, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";;         programs.", 45, 0))
^  Exit: (171) [user] read_sform((0x563acd73bee0), '$COMMENT'(";;         programs.", 45, 0))
^  Exit: (170) [system] once(user:read_sform((0x563acd73bee0), '$COMMENT'(";;         programs.", 45, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x563acd73bee0), '$COMMENT'(";;         programs.", 45, 0)))
   Call: (169) [system] '$COMMENT'(";;         programs.", 45, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";;         programs.", 45, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1727204591.9963977), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204591.9963977), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;         programs.", 45, 0)), 94]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";;         programs.", 45, 0), ynthesize_long_1727204587_629323, 94)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1727204591.9963977), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204591.9963977), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;         programs.", 45, 0)), 94]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1727204595.9779766)
   Call: (173) [system] arg(1, t(1727204591.9963977), _3148)
   Exit: (173) [system] arg(1, t(1727204591.9963977), 1727204591.9963977)
   Call: (173) [system] _3158 is 1727204595.9779766-1727204591.9963977
   Exit: (173) [system] 3.981578826904297 is 1727204595.9779766-1727204591.9963977
   Call: (173) [system] 3.981578826904297>4
   Fail: (173) [system] 3.981578826904297>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1727204591.9963977), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204591.9963977), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;         programs.", 45, 0)), 94]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 11)
   Call: (175) [system] atom(11+1)
   Call: (175) [system] set_flag(translated_forms, 12)
   Exit: (175) [system] set_flag(translated_forms, 12)
   Exit: (174) [$syspreds] update_flag(translated_forms, 11, 11+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 11, 11+1))
   Exit: (171) [$syspreds] flag(translated_forms, 11, 11+1)
^  Call: (171) [user] write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";;         programs.", 45, 0), ynthesize_long_1727204587_629323, 94)
^  Call: (172) [user] format((0x563acd7397e0), "/* ~w */~n", [";;         programs."])
^  Exit: (172) [user] format((0x563acd7397e0), "/* ~w */~n", [";;         programs."])
^  Exit: (171) [user] write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";;         programs.", 45, 0), ynthesize_long_1727204587_629323, 94)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1727204591.9963977), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204591.9963977), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;         programs.", 45, 0)), 94]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 11, 11+1), write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";;         programs.", 45, 0), ynthesize_long_1727204587_629323, 94)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x563acd73bee0))
   Fail: (169) [system] at_end_of_stream((0x563acd73bee0))
^  Call: (169) [user] must_det_ll(line_count((0x563acd73bee0), _3074))
^  Call: (170) [user] once(user:line_count((0x563acd73bee0), _3074))
   Call: (171) [system] line_count((0x563acd73bee0), _3074)
   Exit: (171) [system] line_count((0x563acd73bee0), 95)
^  Exit: (170) [system] once(user:line_count((0x563acd73bee0), 95))
^  Exit: (169) [user] must_det_ll(user:line_count((0x563acd73bee0), 95))
^  Call: (169) [user] must_det_ll(read_sform((0x563acd73bee0), _3084))
^  Call: (170) [user] once(user:read_sform((0x563acd73bee0), _3084))
^  Call: (171) [user] read_sform((0x563acd73bee0), _3084)
   Call: (172) [system] string((0x563acd73bee0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
   Call: (173) [system] string((0x563acd73bee0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), _3084)
   Call: (174) [system] at_end_of_stream((0x563acd73bee0))
   Call: (174) [system] peek_char((0x563acd73bee0), _472180)
   Exit: (174) [system] peek_char((0x563acd73bee0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x563acd73bee0), '\n')
   Exit: (174) [system] get_char((0x563acd73bee0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x563acd73bee0), _3084)
   Call: (175) [system] at_end_of_stream((0x563acd73bee0))
   Call: (175) [system] peek_char((0x563acd73bee0), _479602)
   Exit: (175) [system] peek_char((0x563acd73bee0), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
   Call: (176) [system] string((0x563acd73bee0))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), _3084)
   Call: (177) [system] at_end_of_stream((0x563acd73bee0))
   Call: (177) [system] peek_char((0x563acd73bee0), _487940)
   Exit: (177) [system] peek_char((0x563acd73bee0), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _490726=(0x563acd73bee0)
   Exit: (177) [system] (0x563acd73bee0)=(0x563acd73bee0)
^  Call: (177) [user] once((read_position((0x563acd73bee0), _492594, _492596, _492598, _492600), read_sexpr((0x563acd73bee0), _492612), assertz(metta_file_comment(_492594, _492596, _492598, _492612, _492600))))
^  Call: (179) [user] read_position((0x563acd73bee0), _492594, _492596, _492598, _492600)
   Call: (180) [system] stream_property((0x563acd73bee0), position(_492600))
   Call: (181) [system] nonvar((0x563acd73bee0))
   Exit: (181) [system] nonvar((0x563acd73bee0))
   Call: (181) [system] nonvar(position(_492600))
   Exit: (181) [system] nonvar(position(_492600))
   Exit: (180) [system] stream_property((0x563acd73bee0), position('$stream_position'(4000, 96, 0, 4000)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4000, 96, 0, 4000), _492594)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _502852)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(4000, 96, 0, 4000), _492594)
   Exit: (181) [system] arg(2, '$stream_position'(4000, 96, 0, 4000), 96)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4000, 96, 0, 4000), 96)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4000, 96, 0, 4000), _492596)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _510286)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(4000, 96, 0, 4000), _492596)
   Exit: (181) [system] arg(3, '$stream_position'(4000, 96, 0, 4000), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4000, 96, 0, 4000), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4000, 96, 0, 4000), _492598)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _517720)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(4000, 96, 0, 4000), _492598)
   Exit: (181) [system] arg(1, '$stream_position'(4000, 96, 0, 4000), 4000)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4000, 96, 0, 4000), 4000)
^  Exit: (179) [user] read_position((0x563acd73bee0), 96, 0, 4000, '$stream_position'(4000, 96, 0, 4000))
^  Call: (179) [user] read_sexpr((0x563acd73bee0), _492612)
   Call: (180) [system] string((0x563acd73bee0))
   Fail: (180) [system] string((0x563acd73bee0))
^  Call: (180) [user] cont_sexpr(')', (0x563acd73bee0), _492612)
^  Call: (181) [user] skip_spaces((0x563acd73bee0))
   Call: (182) [system] peek_char((0x563acd73bee0), _527946)
   Exit: (182) [system] peek_char((0x563acd73bee0), '(')
   Call: (182) [system] '('=(;)
   Fail: (182) [system] '('=(;)
   Call: (182) [system] '('=(/)
   Fail: (182) [system] '('=(/)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Fail: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Fail: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Fail: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
   Fail: (183) [system] char_type('(', cntrl)
^  Fail: (182) [user] is_like_space('(')
^  Exit: (181) [user] skip_spaces((0x563acd73bee0))
   Call: (181) [system] get_char((0x563acd73bee0), _543956)
   Exit: (181) [system] get_char((0x563acd73bee0), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x563acd73bee0), _492612)
^  Call: (182) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] peek_char((0x563acd73bee0), _549526)
   Exit: (183) [system] peek_char((0x563acd73bee0), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
   Call: (183) [system] (=)=(/)
   Fail: (183) [system] (=)=(/)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x563acd73bee0))
   Call: (182) [system] peek_char((0x563acd73bee0), _565536)
   Exit: (182) [system] peek_char((0x563acd73bee0), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x563acd73bee0), _571106)
^  Call: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _572964)
   Exit: (184) [system] peek_char((0x563acd73bee0), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
   Call: (184) [system] (=)=(/)
   Fail: (184) [system] (=)=(/)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] get_char((0x563acd73bee0), _588974)
   Exit: (183) [system] get_char((0x563acd73bee0), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x563acd73bee0), =, _571106)
^  Call: (184) [user] read_symbolic_cont(')', (0x563acd73bee0), _606616)
   Call: (185) [system] peek_char((0x563acd73bee0), _607550)
   Exit: (185) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _606616=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (184) [user] classify_and_convert_charseq([=], _571106)
^  Call: (185) [user] classify_and_convert_charseq_([=], _616834)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_617786, _617788), once(user:catch(read_from_chars([=], _616834), _617768, fail)), '$restore_trace'(_617786, _617788))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_617786, _617788))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _617768, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(=)
   Exit: (186) [system] atomic(=)
^  Exit: (185) [user] classify_and_convert_charseq_([=], =)
   Call: (185) [system] integer(=)
   Fail: (185) [system] integer(=)
   Call: (185) [system] _571106=(=)
   Exit: (185) [system] (=)=(=)
^  Exit: (184) [user] classify_and_convert_charseq([=], =)
^  Exit: (183) [user] read_symbolic(')', (0x563acd73bee0), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x563acd73bee0), =)
^  Call: (182) [user] read_list(')', (0x563acd73bee0), _629914)
^  Call: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _631772)
   Exit: (184) [system] peek_char((0x563acd73bee0), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
   Call: (184) [system] ' '=(/)
   Fail: (184) [system] ' '=(/)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x563acd73bee0), _641366)
   Exit: (184) [system] get_char((0x563acd73bee0), ' ')
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _644070)
   Exit: (185) [system] peek_char((0x563acd73bee0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
^  Exit: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] peek_char((0x563acd73bee0), _661004)
   Exit: (183) [system] peek_char((0x563acd73bee0), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x563acd73bee0), _666574)
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _668432)
   Exit: (185) [system] peek_char((0x563acd73bee0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] get_char((0x563acd73bee0), _684442)
   Exit: (184) [system] get_char((0x563acd73bee0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x563acd73bee0), _666574)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _690012)
   Exit: (186) [system] peek_char((0x563acd73bee0), k)
   Call: (186) [system] k=(;)
   Fail: (186) [system] k=(;)
   Call: (186) [system] k=(/)
   Fail: (186) [system] k=(/)
^  Call: (186) [user] is_like_space(k)
   Call: (187) [system] char_type(k, 'white')
   Fail: (187) [system] char_type(k, 'white')
   Call: (187) [system] char_type(k, end_of_line)
   Fail: (187) [system] char_type(k, end_of_line)
   Call: (187) [system] char_type(k, space)
   Fail: (187) [system] char_type(k, space)
   Call: (187) [system] char_type(k, cntrl)
   Fail: (187) [system] char_type(k, cntrl)
^  Fail: (186) [user] is_like_space(k)
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _706022)
   Exit: (185) [system] peek_char((0x563acd73bee0), k)
   Call: (185) [system] k=')'
   Fail: (185) [system] k=')'
   Call: (185) [system] k=end_of_file
   Fail: (185) [system] k=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x563acd73bee0), _711592)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _713450)
   Exit: (187) [system] peek_char((0x563acd73bee0), k)
   Call: (187) [system] k=(;)
   Fail: (187) [system] k=(;)
   Call: (187) [system] k=(/)
   Fail: (187) [system] k=(/)
^  Call: (187) [user] is_like_space(k)
   Call: (188) [system] char_type(k, 'white')
   Fail: (188) [system] char_type(k, 'white')
   Call: (188) [system] char_type(k, end_of_line)
   Fail: (188) [system] char_type(k, end_of_line)
   Call: (188) [system] char_type(k, space)
   Fail: (188) [system] char_type(k, space)
   Call: (188) [system] char_type(k, cntrl)
   Fail: (188) [system] char_type(k, cntrl)
^  Fail: (187) [user] is_like_space(k)
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] get_char((0x563acd73bee0), _729460)
   Exit: (186) [system] get_char((0x563acd73bee0), k)
   Call: (186) [system] k='('
   Fail: (186) [system] k='('
   Call: (186) [system] k='['
   Fail: (186) [system] k='['
   Call: (186) [system] k='{'
   Fail: (186) [system] k='{'
   Call: (186) [system] k='"'
   Fail: (186) [system] k='"'
   Call: (186) [system] k=!
   Fail: (186) [system] k=!
   Call: (186) [system] k='\''
   Fail: (186) [system] k='\''
   Call: (186) [system] k='`'
   Fail: (186) [system] k='`'
   Call: (186) [system] k=end_of_file
   Fail: (186) [system] k=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x563acd73bee0), k, _711592)
^  Call: (187) [user] read_symbolic_cont(')', (0x563acd73bee0), _747102)
   Call: (188) [system] peek_char((0x563acd73bee0), _748036)
   Exit: (188) [system] peek_char((0x563acd73bee0), b)
^  Call: (188) [user] is_delimiter(b)
   Call: (189) [system] char_type(b, space)
   Fail: (189) [system] char_type(b, space)
   Call: (189) [system] arg(_752756, v('(', ')', end_of_file), b)
   Fail: (189) [system] arg(_753688, v('(', ')', end_of_file), b)
^  Fail: (188) [user] is_delimiter(b)
   Call: (188) [system] ')'==b
   Fail: (188) [system] ')'==b
   Call: (188) [system] get_char((0x563acd73bee0), b)
   Exit: (188) [system] get_char((0x563acd73bee0), b)
   Call: (188) [system] b=(\)
   Fail: (188) [system] b=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), _761038)
   Call: (189) [system] peek_char((0x563acd73bee0), _761972)
   Exit: (189) [system] peek_char((0x563acd73bee0), ')')
^  Call: (189) [user] is_delimiter(')')
   Call: (190) [system] char_type(')', space)
   Fail: (190) [system] char_type(')', space)
   Call: (190) [system] arg(_766692, v('(', ')', end_of_file), ')')
   Exit: (190) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (189) [user] is_delimiter(')')
   Call: (189) [system] _761038=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (188) [system] _747102=[b]
   Exit: (188) [system] [b]=[b]
^  Exit: (187) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
^  Call: (187) [user] classify_and_convert_charseq([k, b], _711592)
^  Call: (188) [user] classify_and_convert_charseq_([k, b], _775922)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_776874, _776876), once(user:catch(read_from_chars([k, b], _775922), _776856, fail)), '$restore_trace'(_776874, _776876))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_776874, _776876))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([k, b], kb), _776856, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(kb)
   Exit: (189) [system] atomic(kb)
^  Exit: (188) [user] classify_and_convert_charseq_([k, b], kb)
   Call: (188) [system] integer(kb)
   Fail: (188) [system] integer(kb)
   Call: (188) [system] _711592=kb
   Exit: (188) [system] kb=kb
^  Exit: (187) [user] classify_and_convert_charseq([k, b], kb)
^  Exit: (186) [user] read_symbolic(')', (0x563acd73bee0), k, kb)
^  Exit: (185) [user] cont_sexpr(')', (0x563acd73bee0), kb)
^  Call: (185) [user] read_list(')', (0x563acd73bee0), _789002)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _790860)
   Exit: (187) [system] peek_char((0x563acd73bee0), ')')
   Call: (187) [system] ')'=(;)
   Fail: (187) [system] ')'=(;)
   Call: (187) [system] ')'=(/)
   Fail: (187) [system] ')'=(/)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Fail: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Fail: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Fail: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
   Fail: (188) [system] char_type(')', cntrl)
^  Fail: (187) [user] is_like_space(')')
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _806870)
   Exit: (186) [system] peek_char((0x563acd73bee0), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x563acd73bee0), _810660)
   Exit: (186) [system] get_char((0x563acd73bee0), ')')
   Call: (186) [system] _789002=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x563acd73bee0), [])
   Call: (185) [system] _666574=[kb]
   Exit: (185) [system] [kb]=[kb]
^  Exit: (184) [user] read_list(')', (0x563acd73bee0), [kb])
^  Exit: (183) [user] cont_sexpr(')', (0x563acd73bee0), [kb])
^  Call: (183) [user] read_list(')', (0x563acd73bee0), _818954)
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _820812)
   Exit: (185) [system] peek_char((0x563acd73bee0), ' ')
   Call: (185) [system] ' '=(;)
   Fail: (185) [system] ' '=(;)
   Call: (185) [system] ' '=(/)
   Fail: (185) [system] ' '=(/)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x563acd73bee0), _830406)
   Exit: (185) [system] get_char((0x563acd73bee0), ' ')
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _833110)
   Exit: (186) [system] peek_char((0x563acd73bee0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _850044)
   Exit: (184) [system] peek_char((0x563acd73bee0), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x563acd73bee0), _855614)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _857472)
   Exit: (186) [system] peek_char((0x563acd73bee0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] get_char((0x563acd73bee0), _873482)
   Exit: (185) [system] get_char((0x563acd73bee0), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x563acd73bee0), _855614)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _879052)
   Exit: (187) [system] peek_char((0x563acd73bee0), :)
   Call: (187) [system] (:)=(;)
   Fail: (187) [system] (:)=(;)
   Call: (187) [system] (:)=(/)
   Fail: (187) [system] (:)=(/)
^  Call: (187) [user] is_like_space(:)
   Call: (188) [system] char_type(:, 'white')
   Fail: (188) [system] char_type(:, 'white')
   Call: (188) [system] char_type(:, end_of_line)
   Fail: (188) [system] char_type(:, end_of_line)
   Call: (188) [system] char_type(:, space)
   Fail: (188) [system] char_type(:, space)
   Call: (188) [system] char_type(:, cntrl)
   Fail: (188) [system] char_type(:, cntrl)
^  Fail: (187) [user] is_like_space(:)
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _895062)
   Exit: (186) [system] peek_char((0x563acd73bee0), :)
   Call: (186) [system] (:)=')'
   Fail: (186) [system] (:)=')'
   Call: (186) [system] (:)=end_of_file
   Fail: (186) [system] (:)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x563acd73bee0), _900632)
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _902490)
   Exit: (188) [system] peek_char((0x563acd73bee0), :)
   Call: (188) [system] (:)=(;)
   Fail: (188) [system] (:)=(;)
   Call: (188) [system] (:)=(/)
   Fail: (188) [system] (:)=(/)
^  Call: (188) [user] is_like_space(:)
   Call: (189) [system] char_type(:, 'white')
   Fail: (189) [system] char_type(:, 'white')
   Call: (189) [system] char_type(:, end_of_line)
   Fail: (189) [system] char_type(:, end_of_line)
   Call: (189) [system] char_type(:, space)
   Fail: (189) [system] char_type(:, space)
   Call: (189) [system] char_type(:, cntrl)
   Fail: (189) [system] char_type(:, cntrl)
^  Fail: (188) [user] is_like_space(:)
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] get_char((0x563acd73bee0), _918500)
   Exit: (187) [system] get_char((0x563acd73bee0), :)
   Call: (187) [system] (:)='('
   Fail: (187) [system] (:)='('
   Call: (187) [system] (:)='['
   Fail: (187) [system] (:)='['
   Call: (187) [system] (:)='{'
   Fail: (187) [system] (:)='{'
   Call: (187) [system] (:)='"'
   Fail: (187) [system] (:)='"'
   Call: (187) [system] (:)=!
   Fail: (187) [system] (:)=!
   Call: (187) [system] (:)='\''
   Fail: (187) [system] (:)='\''
   Call: (187) [system] (:)='`'
   Fail: (187) [system] (:)='`'
   Call: (187) [system] (:)=end_of_file
   Fail: (187) [system] (:)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x563acd73bee0), :, _900632)
^  Call: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), _936142)
   Call: (189) [system] peek_char((0x563acd73bee0), _937076)
   Exit: (189) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (189) [user] is_delimiter(' ')
   Call: (190) [system] char_type(' ', space)
   Exit: (190) [system] char_type(' ', space)
^  Exit: (189) [user] is_delimiter(' ')
   Call: (189) [system] _936142=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (188) [user] classify_and_convert_charseq([:], _900632)
^  Call: (189) [user] classify_and_convert_charseq_([:], _946360)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_947312, _947314), once(user:catch(read_from_chars([:], _946360), _947294, fail)), '$restore_trace'(_947312, _947314))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_947312, _947314))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _947294, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(:)
   Exit: (190) [system] atomic(:)
^  Exit: (189) [user] classify_and_convert_charseq_([:], :)
   Call: (189) [system] integer(:)
   Fail: (189) [system] integer(:)
   Call: (189) [system] _900632=(:)
   Exit: (189) [system] (:)=(:)
^  Exit: (188) [user] classify_and_convert_charseq([:], :)
^  Exit: (187) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (186) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (186) [user] read_list(')', (0x563acd73bee0), _959440)
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _961298)
   Exit: (188) [system] peek_char((0x563acd73bee0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x563acd73bee0), _970892)
   Exit: (188) [system] get_char((0x563acd73bee0), ' ')
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _973596)
   Exit: (189) [system] peek_char((0x563acd73bee0), a)
   Call: (189) [system] a=(;)
   Fail: (189) [system] a=(;)
   Call: (189) [system] a=(/)
   Fail: (189) [system] a=(/)
^  Call: (189) [user] is_like_space(a)
   Call: (190) [system] char_type(a, 'white')
   Fail: (190) [system] char_type(a, 'white')
   Call: (190) [system] char_type(a, end_of_line)
   Fail: (190) [system] char_type(a, end_of_line)
   Call: (190) [system] char_type(a, space)
   Fail: (190) [system] char_type(a, space)
   Call: (190) [system] char_type(a, cntrl)
   Fail: (190) [system] char_type(a, cntrl)
^  Fail: (189) [user] is_like_space(a)
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _990530)
   Exit: (187) [system] peek_char((0x563acd73bee0), a)
   Call: (187) [system] a=')'
   Fail: (187) [system] a=')'
   Call: (187) [system] a=end_of_file
   Fail: (187) [system] a=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x563acd73bee0), _996100)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _997958)
   Exit: (189) [system] peek_char((0x563acd73bee0), a)
   Call: (189) [system] a=(;)
   Fail: (189) [system] a=(;)
   Call: (189) [system] a=(/)
   Fail: (189) [system] a=(/)
^  Call: (189) [user] is_like_space(a)
   Call: (190) [system] char_type(a, 'white')
   Fail: (190) [system] char_type(a, 'white')
   Call: (190) [system] char_type(a, end_of_line)
   Fail: (190) [system] char_type(a, end_of_line)
   Call: (190) [system] char_type(a, space)
   Fail: (190) [system] char_type(a, space)
   Call: (190) [system] char_type(a, cntrl)
   Fail: (190) [system] char_type(a, cntrl)
^  Fail: (189) [user] is_like_space(a)
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] get_char((0x563acd73bee0), _1013968)
   Exit: (188) [system] get_char((0x563acd73bee0), a)
   Call: (188) [system] a='('
   Fail: (188) [system] a='('
   Call: (188) [system] a='['
   Fail: (188) [system] a='['
   Call: (188) [system] a='{'
   Fail: (188) [system] a='{'
   Call: (188) [system] a='"'
   Fail: (188) [system] a='"'
   Call: (188) [system] a=!
   Fail: (188) [system] a=!
   Call: (188) [system] a='\''
   Fail: (188) [system] a='\''
   Call: (188) [system] a='`'
   Fail: (188) [system] a='`'
   Call: (188) [system] a=end_of_file
   Fail: (188) [system] a=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x563acd73bee0), a, _996100)
^  Call: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), _1031610)
   Call: (190) [system] peek_char((0x563acd73bee0), _1032544)
   Exit: (190) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (190) [user] is_delimiter(' ')
   Call: (191) [system] char_type(' ', space)
   Exit: (191) [system] char_type(' ', space)
^  Exit: (190) [user] is_delimiter(' ')
   Call: (190) [system] _1031610=[]
   Exit: (190) [system] []=[]
^  Exit: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (189) [user] classify_and_convert_charseq([a], _996100)
^  Call: (190) [user] classify_and_convert_charseq_([a], _1041828)
^  Call: (192) [system] setup_call_cleanup('$notrace'(_1042780, _1042782), once(user:catch(read_from_chars([a], _1041828), _1042762, fail)), '$restore_trace'(_1042780, _1042782))
^  Call: (193) [system] sig_atomic(system:'$notrace'(_1042780, _1042782))
^  Exit: (192) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1042762, fail)), system:'$restore_trace'(3, -1))
   Call: (191) [system] atomic(a)
   Exit: (191) [system] atomic(a)
^  Exit: (190) [user] classify_and_convert_charseq_([a], a)
   Call: (190) [system] integer(a)
   Fail: (190) [system] integer(a)
   Call: (190) [system] _996100=a
   Exit: (190) [system] a=a
^  Exit: (189) [user] classify_and_convert_charseq([a], a)
^  Exit: (188) [user] read_symbolic(')', (0x563acd73bee0), a, a)
^  Exit: (187) [user] cont_sexpr(')', (0x563acd73bee0), a)
^  Call: (187) [user] read_list(')', (0x563acd73bee0), _1054908)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1056766)
   Exit: (189) [system] peek_char((0x563acd73bee0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x563acd73bee0), _1066360)
   Exit: (189) [system] get_char((0x563acd73bee0), ' ')
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1069064)
   Exit: (190) [system] peek_char((0x563acd73bee0), 'B')
   Call: (190) [system] 'B'=(;)
   Fail: (190) [system] 'B'=(;)
   Call: (190) [system] 'B'=(/)
   Fail: (190) [system] 'B'=(/)
^  Call: (190) [user] is_like_space('B')
   Call: (191) [system] char_type('B', 'white')
   Fail: (191) [system] char_type('B', 'white')
   Call: (191) [system] char_type('B', end_of_line)
   Fail: (191) [system] char_type('B', end_of_line)
   Call: (191) [system] char_type('B', space)
   Fail: (191) [system] char_type('B', space)
   Call: (191) [system] char_type('B', cntrl)
   Fail: (191) [system] char_type('B', cntrl)
^  Fail: (190) [user] is_like_space('B')
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _1085998)
   Exit: (188) [system] peek_char((0x563acd73bee0), 'B')
   Call: (188) [system] 'B'=')'
   Fail: (188) [system] 'B'=')'
   Call: (188) [system] 'B'=end_of_file
   Fail: (188) [system] 'B'=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x563acd73bee0), _1091568)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1093426)
   Exit: (190) [system] peek_char((0x563acd73bee0), 'B')
   Call: (190) [system] 'B'=(;)
   Fail: (190) [system] 'B'=(;)
   Call: (190) [system] 'B'=(/)
   Fail: (190) [system] 'B'=(/)
^  Call: (190) [user] is_like_space('B')
   Call: (191) [system] char_type('B', 'white')
   Fail: (191) [system] char_type('B', 'white')
   Call: (191) [system] char_type('B', end_of_line)
   Fail: (191) [system] char_type('B', end_of_line)
   Call: (191) [system] char_type('B', space)
   Fail: (191) [system] char_type('B', space)
   Call: (191) [system] char_type('B', cntrl)
   Fail: (191) [system] char_type('B', cntrl)
^  Fail: (190) [user] is_like_space('B')
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] get_char((0x563acd73bee0), _1109436)
   Exit: (189) [system] get_char((0x563acd73bee0), 'B')
   Call: (189) [system] 'B'='('
   Fail: (189) [system] 'B'='('
   Call: (189) [system] 'B'='['
   Fail: (189) [system] 'B'='['
   Call: (189) [system] 'B'='{'
   Fail: (189) [system] 'B'='{'
   Call: (189) [system] 'B'='"'
   Fail: (189) [system] 'B'='"'
   Call: (189) [system] 'B'=!
   Fail: (189) [system] 'B'=!
   Call: (189) [system] 'B'='\''
   Fail: (189) [system] 'B'='\''
   Call: (189) [system] 'B'='`'
   Fail: (189) [system] 'B'='`'
   Call: (189) [system] 'B'=end_of_file
   Fail: (189) [system] 'B'=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x563acd73bee0), 'B', _1091568)
^  Call: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), _1127078)
   Call: (191) [system] peek_char((0x563acd73bee0), _1128012)
   Exit: (191) [system] peek_char((0x563acd73bee0), ')')
^  Call: (191) [user] is_delimiter(')')
   Call: (192) [system] char_type(')', space)
   Fail: (192) [system] char_type(')', space)
   Call: (192) [system] arg(_1132732, v('(', ')', end_of_file), ')')
   Exit: (192) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (191) [user] is_delimiter(')')
   Call: (191) [system] _1127078=[]
   Exit: (191) [system] []=[]
^  Exit: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (190) [user] classify_and_convert_charseq(['B'], _1091568)
^  Call: (191) [user] classify_and_convert_charseq_(['B'], _1139168)
^  Call: (193) [system] setup_call_cleanup('$notrace'(_1140120, _1140122), once(user:catch(read_from_chars(['B'], _1139168), _1140102, fail)), '$restore_trace'(_1140120, _1140122))
^  Call: (194) [system] sig_atomic(system:'$notrace'(_1140120, _1140122))
^  Exit: (193) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1139168), _1140102, fail)), system:'$restore_trace'(3, -1))
   Call: (192) [system] atomic(_1139168)
   Fail: (192) [system] atomic(_1139168)
   Call: (192) [system] atom_chars(_1139168, ['B'])
   Exit: (192) [system] atom_chars('B', ['B'])
^  Exit: (191) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (191) [system] integer('B')
   Fail: (191) [system] integer('B')
   Call: (191) [system] _1091568='B'
   Exit: (191) [system] 'B'='B'
^  Exit: (190) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (189) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (188) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (188) [user] read_list(')', (0x563acd73bee0), _1154118)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1155976)
   Exit: (190) [system] peek_char((0x563acd73bee0), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
   Call: (190) [system] ')'=(/)
   Fail: (190) [system] ')'=(/)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1171986)
   Exit: (189) [system] peek_char((0x563acd73bee0), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x563acd73bee0), _1175776)
   Exit: (189) [system] get_char((0x563acd73bee0), ')')
   Call: (189) [system] _1154118=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x563acd73bee0), [])
   Call: (188) [system] _1054908=['B']
   Exit: (188) [system] ['B']=['B']
^  Exit: (187) [user] read_list(')', (0x563acd73bee0), ['B'])
   Call: (187) [system] _959440=[a, 'B']
   Exit: (187) [system] [a, 'B']=[a, 'B']
^  Exit: (186) [user] read_list(')', (0x563acd73bee0), [a, 'B'])
   Call: (186) [system] _855614=[:, a, 'B']
   Exit: (186) [system] [:, a, 'B']=[:, a, 'B']
^  Exit: (185) [user] read_list(')', (0x563acd73bee0), [:, a, 'B'])
^  Exit: (184) [user] cont_sexpr(')', (0x563acd73bee0), [:, a, 'B'])
^  Call: (184) [user] read_list(')', (0x563acd73bee0), _1189658)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1191516)
   Exit: (186) [system] peek_char((0x563acd73bee0), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
   Call: (186) [system] ')'=(/)
   Fail: (186) [system] ')'=(/)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _1207526)
   Exit: (185) [system] peek_char((0x563acd73bee0), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x563acd73bee0), _1211316)
   Exit: (185) [system] get_char((0x563acd73bee0), ')')
   Call: (185) [system] _1189658=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x563acd73bee0), [])
   Call: (184) [system] _818954=[[:, a, 'B']]
   Exit: (184) [system] [[:, a, 'B']]=[[:, a, 'B']]
^  Exit: (183) [user] read_list(')', (0x563acd73bee0), [[:, a, 'B']])
   Call: (183) [system] _629914=[[kb], [:, a, 'B']]
   Exit: (183) [system] [[kb], [:, a, 'B']]=[[kb], [:, a, 'B']]
^  Exit: (182) [user] read_list(')', (0x563acd73bee0), [[kb], [:, a, 'B']])
   Call: (182) [system] _492612=[=, [kb], [:, a, 'B']]
   Exit: (182) [system] [=, [kb], [:, a, 'B']]=[=, [kb], [:, a, 'B']]
^  Exit: (181) [user] read_list(')', (0x563acd73bee0), [=, [kb], [:, a, 'B']])
^  Exit: (180) [user] cont_sexpr(')', (0x563acd73bee0), [=, [kb], [:, a, 'B']])
^  Exit: (179) [user] read_sexpr((0x563acd73bee0), [=, [kb], [:, a, 'B']])
^  Call: (179) [user] assertz(metta_file_comment(96, 0, 4000, [=, [kb], [:, a, 'B']], '$stream_position'(4000, 96, 0, 4000)))
^  Exit: (179) [user] assertz(metta_file_comment(96, 0, 4000, [=, [kb], [:, a, 'B']], '$stream_position'(4000, 96, 0, 4000)))
^  Exit: (177) [system] once(user:(read_position((0x563acd73bee0), 96, 0, 4000, '$stream_position'(4000, 96, 0, 4000)), read_sexpr((0x563acd73bee0), [=, [kb], [:, a, 'B']]), assertz(metta_file_comment(96, 0, 4000, [=, [kb], [:, a, 'B']], '$stream_position'(4000, 96, 0, 4000)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_1229834, _1229836, _1229838, _1229840, _1229842))
^  Exit: (177) [user] retract(metta_file_comment(46, 0, 1470, '$COMMENT'(";;", 46, 0), '$stream_position'(1470, 46, 0, 1470)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;", 46, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";;", 46, 0), _1232666))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";;", 46, 0), _1232666)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";;", 46, 0), _1232666)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";;", 46, 0), _1235482))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";;", 46, 0), _1235482))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";;", 46, 0), _1235482)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";;", 46, 0), _1238282))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";;", 46, 0), _1238282)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";;", 46, 0), _1238282)
   Call: (187) [system] var('$COMMENT'(";;", 46, 0))
   Call: (187) [system] atom('$COMMENT'(";;", 46, 0))
   Call: (187) [system] '$COMMENT'(";;", 46, 0)==true
   Call: (187) [system] '$COMMENT'(";;", 46, 0)==false
   Call: (187) [system] '$COMMENT'(";;", 46, 0)==[_1244802, _1244808]
   Call: (187) [system] is_list('$COMMENT'(";;", 46, 0))
   Call: (187) [system] string('$COMMENT'(";;", 46, 0))
   Call: (187) [system] compound('$COMMENT'(";;", 46, 0))
   Exit: (187) [system] compound('$COMMENT'(";;", 46, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";;", 46, 0), _1249436, _1249438)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;", 46, 0), '$COMMENT', [";;", 46, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";;", 46, 0], _1253178)
   Call: (188) [apply] apply:maplist_([";;", 46, 0], _1253178, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";;", _1255058)
   Call: (190) [system] var(";;")
   Call: (190) [system] atom(";;")
   Call: (190) [system] ";;"==true
   Call: (190) [system] ";;"==false
   Call: (190) [system] ";;"==[_1259700, _1259706]
   Call: (190) [system] is_list(";;")
   Call: (190) [system] string(";;")
   Exit: (190) [system] string(";;")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";;")
^  Call: (190) [user] symbol(";;")
   Call: (191) [system] atom(";;")
   Fail: (191) [system] atom(";;")
^  Fail: (190) [user] symbol(";;")
   Call: (190) [system] ";;"=_1255058
   Exit: (190) [system] ";;"=";;"
^  Exit: (189) [user] mfix_vars1(";;", ";;")
   Call: (189) [apply] apply:maplist_([46, 0], _1255060, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(46, _1273580)
   Call: (191) [system] var(46)
   Call: (191) [system] atom(46)
   Call: (191) [system] 46==true
   Call: (191) [system] 46==false
   Call: (191) [system] 46==[_1278222, _1278228]
   Call: (191) [system] is_list(46)
   Call: (191) [system] string(46)
   Call: (191) [system] compound(46)
^  Call: (191) [user] symbol(46)
   Call: (192) [system] atom(46)
   Fail: (192) [system] atom(46)
^  Fail: (191) [user] symbol(46)
   Call: (191) [system] 46=_1273580
   Exit: (191) [system] 46=46
^  Exit: (190) [user] mfix_vars1(46, 46)
   Call: (190) [apply] apply:maplist_([0], _1273582, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _1289346)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_1293988, _1293994]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_1289346
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _1289348, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([46, 0], [46, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";;", 46, 0], [";;", 46, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";;", 46, 0], [";;", 46, 0])
   Call: (187) [system] compound_name_arguments(_1238282, '$COMMENT', [";;", 46, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;", 46, 0), '$COMMENT', [";;", 46, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0)))
   Call: (184) [system] '$COMMENT'(";;", 46, 0)\=@='$COMMENT'(";;", 46, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";;", 46, 0), _1318164))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";;", 46, 0), _1318164))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";;", 46, 0), _1318164)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";;", 46, 0), _1320964))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";;", 46, 0), _1320964)
^  Call: (186) [user] cons_to_c('$COMMENT'(";;", 46, 0), _1320964)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0)))
   Call: (184) [system] '$COMMENT'(";;", 46, 0)\=@='$COMMENT'(";;", 46, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";;", 46, 0), _1232666))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";;", 46, 0), _1232666))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";;", 46, 0), _1232666)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";;", 46, 0), _1334922))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";;", 46, 0), _1334922)
^  Call: (186) [user] cons_to_l('$COMMENT'(";;", 46, 0), _1334922)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0)))
   Call: (184) [system] '$COMMENT'(";;", 46, 0)\=@='$COMMENT'(";;", 46, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0)))
   Call: (178) [system] '$COMMENT'(";;", 46, 0)\=@='$COMMENT'(";;", 46, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";;", 46, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";;", 46, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";;", 46, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";;", 46, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";;", 46, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";;", 46, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";;", 46, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";;", 46, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";;", 46, 0))
^  Exit: (171) [user] read_sform((0x563acd73bee0), '$COMMENT'(";;", 46, 0))
^  Exit: (170) [system] once(user:read_sform((0x563acd73bee0), '$COMMENT'(";;", 46, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x563acd73bee0), '$COMMENT'(";;", 46, 0)))
   Call: (169) [system] '$COMMENT'(";;", 46, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";;", 46, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1727204591.9963977), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204591.9963977), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 46, 0)), 95]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";;", 46, 0), ynthesize_long_1727204587_629323, 95)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1727204591.9963977), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204591.9963977), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 46, 0)), 95]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1727204596.0891678)
   Call: (173) [system] arg(1, t(1727204591.9963977), _3148)
   Exit: (173) [system] arg(1, t(1727204591.9963977), 1727204591.9963977)
   Call: (173) [system] _3158 is 1727204596.0891678-1727204591.9963977
   Exit: (173) [system] 4.092770099639893 is 1727204596.0891678-1727204591.9963977
   Call: (173) [system] 4.092770099639893>4
   Exit: (173) [system] 4.092770099639893>4
   Call: (173) [system] nb_setarg(1, t(1727204591.9963977), 1727204596.0891678)
   Exit: (173) [system] nb_setarg(1, t(1727204596.0891678), 1727204596.0891678)
^  Call: (173) [user] move_cursor_to_first_column
   Call: (174) [system] write(user_error, '')

   Exit: (174) [system] write(user_error, '')
^  Exit: (173) [user] move_cursor_to_first_column
^  Call: (173) [user] format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 46, 0)), 95])
; 
^  Call: (175) [user] write_src_woi('$COMMENT'(";;", 46, 0))
^  Call: (177) [system] setup_call_cleanup('$notrace'(_1380926, _1380928), once(user:with_indents(false, write_src('$COMMENT'(";;", 46, 0)))), '$restore_trace'(_1380926, _1380928))
^  Call: (178) [system] sig_atomic(system:'$notrace'(_1380926, _1380928))
(%COMMENT  ";;" 46 0)
^  Exit: (177) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:with_indents(false, write_src('$COMMENT'(";;", 46, 0)))), system:'$restore_trace'(3, -1))
^  Exit: (175) [user] write_src_woi('$COMMENT'(";;", 46, 0))
 ; line: 95 
^  Exit: (173) [user] format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 46, 0)), 95])
   Call: (173) [system] write(user_error, '')

   Exit: (173) [system] write(user_error, '')
^  Call: (173) [user] move_cursor_to_first_column
   Call: (174) [system] write(user_error, '')

   Exit: (174) [system] write(user_error, '')
^  Exit: (173) [user] move_cursor_to_first_column
^  Exit: (171) [user] if_t((get_time(1727204596.0891678), arg(1, t(1727204596.0891678), 1727204591.9963977), 4.092770099639893 is 1727204596.0891678-1727204591.9963977, 4.092770099639893>4), (nb_setarg(1, t(1727204596.0891678), 1727204596.0891678), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 46, 0)), 95]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 12)
   Call: (175) [system] atom(12+1)
   Call: (175) [system] set_flag(translated_forms, 13)
   Exit: (175) [system] set_flag(translated_forms, 13)
   Exit: (174) [$syspreds] update_flag(translated_forms, 12, 12+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 12, 12+1))
   Exit: (171) [$syspreds] flag(translated_forms, 12, 12+1)
^  Call: (171) [user] write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";;", 46, 0), ynthesize_long_1727204587_629323, 95)
^  Call: (172) [user] format((0x563acd7397e0), "/* ~w */~n", [";;"])
^  Exit: (172) [user] format((0x563acd7397e0), "/* ~w */~n", [";;"])
^  Exit: (171) [user] write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";;", 46, 0), ynthesize_long_1727204587_629323, 95)
^  Exit: (169) [system] once(user:(if_t((get_time(1727204596.0891678), arg(1, t(1727204596.0891678), 1727204591.9963977), 4.092770099639893 is 1727204596.0891678-1727204591.9963977, 4.092770099639893>4), (nb_setarg(1, t(1727204596.0891678), 1727204596.0891678), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 46, 0)), 95]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 12, 12+1), write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";;", 46, 0), ynthesize_long_1727204587_629323, 95)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x563acd73bee0))
   Fail: (169) [system] at_end_of_stream((0x563acd73bee0))
^  Call: (169) [user] must_det_ll(line_count((0x563acd73bee0), _3074))
^  Call: (170) [user] once(user:line_count((0x563acd73bee0), _3074))
   Call: (171) [system] line_count((0x563acd73bee0), _3074)
   Exit: (171) [system] line_count((0x563acd73bee0), 96)
^  Exit: (170) [system] once(user:line_count((0x563acd73bee0), 96))
^  Exit: (169) [user] must_det_ll(user:line_count((0x563acd73bee0), 96))
^  Call: (169) [user] must_det_ll(read_sform((0x563acd73bee0), _3084))
^  Call: (170) [user] once(user:read_sform((0x563acd73bee0), _3084))
^  Call: (171) [user] read_sform((0x563acd73bee0), _3084)
   Call: (172) [system] string((0x563acd73bee0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
   Call: (173) [system] string((0x563acd73bee0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), _3084)
   Call: (174) [system] at_end_of_stream((0x563acd73bee0))
   Call: (174) [system] peek_char((0x563acd73bee0), _1428484)
   Exit: (174) [system] peek_char((0x563acd73bee0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x563acd73bee0), '\n')
   Exit: (174) [system] get_char((0x563acd73bee0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x563acd73bee0), _3084)
   Call: (175) [system] at_end_of_stream((0x563acd73bee0))
   Call: (175) [system] peek_char((0x563acd73bee0), _1435906)
   Exit: (175) [system] peek_char((0x563acd73bee0), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
   Call: (176) [system] string((0x563acd73bee0))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), _3084)
   Call: (177) [system] at_end_of_stream((0x563acd73bee0))
   Call: (177) [system] peek_char((0x563acd73bee0), _1444244)
   Exit: (177) [system] peek_char((0x563acd73bee0), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _1447030=(0x563acd73bee0)
   Exit: (177) [system] (0x563acd73bee0)=(0x563acd73bee0)
^  Call: (177) [user] once((read_position((0x563acd73bee0), _1448898, _1448900, _1448902, _1448904), read_sexpr((0x563acd73bee0), _1448916), assertz(metta_file_comment(_1448898, _1448900, _1448902, _1448916, _1448904))))
^  Call: (179) [user] read_position((0x563acd73bee0), _1448898, _1448900, _1448902, _1448904)
   Call: (180) [system] stream_property((0x563acd73bee0), position(_1448904))
   Call: (181) [system] nonvar((0x563acd73bee0))
   Exit: (181) [system] nonvar((0x563acd73bee0))
   Call: (181) [system] nonvar(position(_1448904))
   Exit: (181) [system] nonvar(position(_1448904))
   Exit: (180) [system] stream_property((0x563acd73bee0), position('$stream_position'(4017, 97, 0, 4017)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4017, 97, 0, 4017), _1448898)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _1459156)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(4017, 97, 0, 4017), _1448898)
   Exit: (181) [system] arg(2, '$stream_position'(4017, 97, 0, 4017), 97)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4017, 97, 0, 4017), 97)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4017, 97, 0, 4017), _1448900)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _1466590)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(4017, 97, 0, 4017), _1448900)
   Exit: (181) [system] arg(3, '$stream_position'(4017, 97, 0, 4017), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4017, 97, 0, 4017), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4017, 97, 0, 4017), _1448902)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _1474024)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(4017, 97, 0, 4017), _1448902)
   Exit: (181) [system] arg(1, '$stream_position'(4017, 97, 0, 4017), 4017)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4017, 97, 0, 4017), 4017)
^  Exit: (179) [user] read_position((0x563acd73bee0), 97, 0, 4017, '$stream_position'(4017, 97, 0, 4017))
^  Call: (179) [user] read_sexpr((0x563acd73bee0), _1448916)
   Call: (180) [system] string((0x563acd73bee0))
   Fail: (180) [system] string((0x563acd73bee0))
^  Call: (180) [user] cont_sexpr(')', (0x563acd73bee0), _1448916)
^  Call: (181) [user] skip_spaces((0x563acd73bee0))
   Call: (182) [system] peek_char((0x563acd73bee0), _1484250)
   Exit: (182) [system] peek_char((0x563acd73bee0), '(')
   Call: (182) [system] '('=(;)
   Fail: (182) [system] '('=(;)
   Call: (182) [system] '('=(/)
   Fail: (182) [system] '('=(/)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Fail: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Fail: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Fail: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
   Fail: (183) [system] char_type('(', cntrl)
^  Fail: (182) [user] is_like_space('(')
^  Exit: (181) [user] skip_spaces((0x563acd73bee0))
   Call: (181) [system] get_char((0x563acd73bee0), _1500260)
   Exit: (181) [system] get_char((0x563acd73bee0), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x563acd73bee0), _1448916)
^  Call: (182) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] peek_char((0x563acd73bee0), _1505830)
   Exit: (183) [system] peek_char((0x563acd73bee0), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
   Call: (183) [system] (=)=(/)
   Fail: (183) [system] (=)=(/)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x563acd73bee0))
   Call: (182) [system] peek_char((0x563acd73bee0), _1521840)
   Exit: (182) [system] peek_char((0x563acd73bee0), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x563acd73bee0), _1527410)
^  Call: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _1529268)
   Exit: (184) [system] peek_char((0x563acd73bee0), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
   Call: (184) [system] (=)=(/)
   Fail: (184) [system] (=)=(/)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] get_char((0x563acd73bee0), _1545278)
   Exit: (183) [system] get_char((0x563acd73bee0), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x563acd73bee0), =, _1527410)
^  Call: (184) [user] read_symbolic_cont(')', (0x563acd73bee0), _1562920)
   Call: (185) [system] peek_char((0x563acd73bee0), _1563854)
   Exit: (185) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _1562920=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (184) [user] classify_and_convert_charseq([=], _1527410)
^  Call: (185) [user] classify_and_convert_charseq_([=], _1573138)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_1574090, _1574092), once(user:catch(read_from_chars([=], _1573138), _1574072, fail)), '$restore_trace'(_1574090, _1574092))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_1574090, _1574092))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _1574072, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(=)
   Exit: (186) [system] atomic(=)
^  Exit: (185) [user] classify_and_convert_charseq_([=], =)
   Call: (185) [system] integer(=)
   Fail: (185) [system] integer(=)
   Call: (185) [system] _1527410=(=)
   Exit: (185) [system] (=)=(=)
^  Exit: (184) [user] classify_and_convert_charseq([=], =)
^  Exit: (183) [user] read_symbolic(')', (0x563acd73bee0), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x563acd73bee0), =)
^  Call: (182) [user] read_list(')', (0x563acd73bee0), _1586218)
^  Call: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _1588076)
   Exit: (184) [system] peek_char((0x563acd73bee0), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
   Call: (184) [system] ' '=(/)
   Fail: (184) [system] ' '=(/)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x563acd73bee0), _1597670)
   Exit: (184) [system] get_char((0x563acd73bee0), ' ')
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _1600374)
   Exit: (185) [system] peek_char((0x563acd73bee0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
^  Exit: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] peek_char((0x563acd73bee0), _1617308)
   Exit: (183) [system] peek_char((0x563acd73bee0), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x563acd73bee0), _1622878)
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _1624736)
   Exit: (185) [system] peek_char((0x563acd73bee0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] get_char((0x563acd73bee0), _1640746)
   Exit: (184) [system] get_char((0x563acd73bee0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x563acd73bee0), _1622878)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1646316)
   Exit: (186) [system] peek_char((0x563acd73bee0), k)
   Call: (186) [system] k=(;)
   Fail: (186) [system] k=(;)
   Call: (186) [system] k=(/)
   Fail: (186) [system] k=(/)
^  Call: (186) [user] is_like_space(k)
   Call: (187) [system] char_type(k, 'white')
   Fail: (187) [system] char_type(k, 'white')
   Call: (187) [system] char_type(k, end_of_line)
   Fail: (187) [system] char_type(k, end_of_line)
   Call: (187) [system] char_type(k, space)
   Fail: (187) [system] char_type(k, space)
   Call: (187) [system] char_type(k, cntrl)
   Fail: (187) [system] char_type(k, cntrl)
^  Fail: (186) [user] is_like_space(k)
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _1662326)
   Exit: (185) [system] peek_char((0x563acd73bee0), k)
   Call: (185) [system] k=')'
   Fail: (185) [system] k=')'
   Call: (185) [system] k=end_of_file
   Fail: (185) [system] k=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x563acd73bee0), _1667896)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _1669754)
   Exit: (187) [system] peek_char((0x563acd73bee0), k)
   Call: (187) [system] k=(;)
   Fail: (187) [system] k=(;)
   Call: (187) [system] k=(/)
   Fail: (187) [system] k=(/)
^  Call: (187) [user] is_like_space(k)
   Call: (188) [system] char_type(k, 'white')
   Fail: (188) [system] char_type(k, 'white')
   Call: (188) [system] char_type(k, end_of_line)
   Fail: (188) [system] char_type(k, end_of_line)
   Call: (188) [system] char_type(k, space)
   Fail: (188) [system] char_type(k, space)
   Call: (188) [system] char_type(k, cntrl)
   Fail: (188) [system] char_type(k, cntrl)
^  Fail: (187) [user] is_like_space(k)
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] get_char((0x563acd73bee0), _1685764)
   Exit: (186) [system] get_char((0x563acd73bee0), k)
   Call: (186) [system] k='('
   Fail: (186) [system] k='('
   Call: (186) [system] k='['
   Fail: (186) [system] k='['
   Call: (186) [system] k='{'
   Fail: (186) [system] k='{'
   Call: (186) [system] k='"'
   Fail: (186) [system] k='"'
   Call: (186) [system] k=!
   Fail: (186) [system] k=!
   Call: (186) [system] k='\''
   Fail: (186) [system] k='\''
   Call: (186) [system] k='`'
   Fail: (186) [system] k='`'
   Call: (186) [system] k=end_of_file
   Fail: (186) [system] k=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x563acd73bee0), k, _1667896)
^  Call: (187) [user] read_symbolic_cont(')', (0x563acd73bee0), _1703406)
   Call: (188) [system] peek_char((0x563acd73bee0), _1704340)
   Exit: (188) [system] peek_char((0x563acd73bee0), b)
^  Call: (188) [user] is_delimiter(b)
   Call: (189) [system] char_type(b, space)
   Fail: (189) [system] char_type(b, space)
   Call: (189) [system] arg(_1709060, v('(', ')', end_of_file), b)
   Fail: (189) [system] arg(_1709992, v('(', ')', end_of_file), b)
^  Fail: (188) [user] is_delimiter(b)
   Call: (188) [system] ')'==b
   Fail: (188) [system] ')'==b
   Call: (188) [system] get_char((0x563acd73bee0), b)
   Exit: (188) [system] get_char((0x563acd73bee0), b)
   Call: (188) [system] b=(\)
   Fail: (188) [system] b=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), _1717342)
   Call: (189) [system] peek_char((0x563acd73bee0), _1718276)
   Exit: (189) [system] peek_char((0x563acd73bee0), ')')
^  Call: (189) [user] is_delimiter(')')
   Call: (190) [system] char_type(')', space)
   Fail: (190) [system] char_type(')', space)
   Call: (190) [system] arg(_1722996, v('(', ')', end_of_file), ')')
   Exit: (190) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (189) [user] is_delimiter(')')
   Call: (189) [system] _1717342=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (188) [system] _1703406=[b]
   Exit: (188) [system] [b]=[b]
^  Exit: (187) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
^  Call: (187) [user] classify_and_convert_charseq([k, b], _1667896)
^  Call: (188) [user] classify_and_convert_charseq_([k, b], _1732226)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_1733178, _1733180), once(user:catch(read_from_chars([k, b], _1732226), _1733160, fail)), '$restore_trace'(_1733178, _1733180))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_1733178, _1733180))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([k, b], kb), _1733160, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(kb)
   Exit: (189) [system] atomic(kb)
^  Exit: (188) [user] classify_and_convert_charseq_([k, b], kb)
   Call: (188) [system] integer(kb)
   Fail: (188) [system] integer(kb)
   Call: (188) [system] _1667896=kb
   Exit: (188) [system] kb=kb
^  Exit: (187) [user] classify_and_convert_charseq([k, b], kb)
^  Exit: (186) [user] read_symbolic(')', (0x563acd73bee0), k, kb)
^  Exit: (185) [user] cont_sexpr(')', (0x563acd73bee0), kb)
^  Call: (185) [user] read_list(')', (0x563acd73bee0), _1745306)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _1747164)
   Exit: (187) [system] peek_char((0x563acd73bee0), ')')
   Call: (187) [system] ')'=(;)
   Fail: (187) [system] ')'=(;)
   Call: (187) [system] ')'=(/)
   Fail: (187) [system] ')'=(/)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Fail: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Fail: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Fail: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
   Fail: (188) [system] char_type(')', cntrl)
^  Fail: (187) [user] is_like_space(')')
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1763174)
   Exit: (186) [system] peek_char((0x563acd73bee0), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x563acd73bee0), _1766964)
   Exit: (186) [system] get_char((0x563acd73bee0), ')')
   Call: (186) [system] _1745306=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x563acd73bee0), [])
   Call: (185) [system] _1622878=[kb]
   Exit: (185) [system] [kb]=[kb]
^  Exit: (184) [user] read_list(')', (0x563acd73bee0), [kb])
^  Exit: (183) [user] cont_sexpr(')', (0x563acd73bee0), [kb])
^  Call: (183) [user] read_list(')', (0x563acd73bee0), _1775258)
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _1777116)
   Exit: (185) [system] peek_char((0x563acd73bee0), ' ')
   Call: (185) [system] ' '=(;)
   Fail: (185) [system] ' '=(;)
   Call: (185) [system] ' '=(/)
   Fail: (185) [system] ' '=(/)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x563acd73bee0), _1786710)
   Exit: (185) [system] get_char((0x563acd73bee0), ' ')
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1789414)
   Exit: (186) [system] peek_char((0x563acd73bee0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _1806348)
   Exit: (184) [system] peek_char((0x563acd73bee0), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x563acd73bee0), _1811918)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1813776)
   Exit: (186) [system] peek_char((0x563acd73bee0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] get_char((0x563acd73bee0), _1829786)
   Exit: (185) [system] get_char((0x563acd73bee0), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x563acd73bee0), _1811918)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _1835356)
   Exit: (187) [system] peek_char((0x563acd73bee0), :)
   Call: (187) [system] (:)=(;)
   Fail: (187) [system] (:)=(;)
   Call: (187) [system] (:)=(/)
   Fail: (187) [system] (:)=(/)
^  Call: (187) [user] is_like_space(:)
   Call: (188) [system] char_type(:, 'white')
   Fail: (188) [system] char_type(:, 'white')
   Call: (188) [system] char_type(:, end_of_line)
   Fail: (188) [system] char_type(:, end_of_line)
   Call: (188) [system] char_type(:, space)
   Fail: (188) [system] char_type(:, space)
   Call: (188) [system] char_type(:, cntrl)
   Fail: (188) [system] char_type(:, cntrl)
^  Fail: (187) [user] is_like_space(:)
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1851366)
   Exit: (186) [system] peek_char((0x563acd73bee0), :)
   Call: (186) [system] (:)=')'
   Fail: (186) [system] (:)=')'
   Call: (186) [system] (:)=end_of_file
   Fail: (186) [system] (:)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x563acd73bee0), _1856936)
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _1858794)
   Exit: (188) [system] peek_char((0x563acd73bee0), :)
   Call: (188) [system] (:)=(;)
   Fail: (188) [system] (:)=(;)
   Call: (188) [system] (:)=(/)
   Fail: (188) [system] (:)=(/)
^  Call: (188) [user] is_like_space(:)
   Call: (189) [system] char_type(:, 'white')
   Fail: (189) [system] char_type(:, 'white')
   Call: (189) [system] char_type(:, end_of_line)
   Fail: (189) [system] char_type(:, end_of_line)
   Call: (189) [system] char_type(:, space)
   Fail: (189) [system] char_type(:, space)
   Call: (189) [system] char_type(:, cntrl)
   Fail: (189) [system] char_type(:, cntrl)
^  Fail: (188) [user] is_like_space(:)
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] get_char((0x563acd73bee0), _1874804)
   Exit: (187) [system] get_char((0x563acd73bee0), :)
   Call: (187) [system] (:)='('
   Fail: (187) [system] (:)='('
   Call: (187) [system] (:)='['
   Fail: (187) [system] (:)='['
   Call: (187) [system] (:)='{'
   Fail: (187) [system] (:)='{'
   Call: (187) [system] (:)='"'
   Fail: (187) [system] (:)='"'
   Call: (187) [system] (:)=!
   Fail: (187) [system] (:)=!
   Call: (187) [system] (:)='\''
   Fail: (187) [system] (:)='\''
   Call: (187) [system] (:)='`'
   Fail: (187) [system] (:)='`'
   Call: (187) [system] (:)=end_of_file
   Fail: (187) [system] (:)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x563acd73bee0), :, _1856936)
^  Call: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), _1892446)
   Call: (189) [system] peek_char((0x563acd73bee0), _1893380)
   Exit: (189) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (189) [user] is_delimiter(' ')
   Call: (190) [system] char_type(' ', space)
   Exit: (190) [system] char_type(' ', space)
^  Exit: (189) [user] is_delimiter(' ')
   Call: (189) [system] _1892446=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (188) [user] classify_and_convert_charseq([:], _1856936)
^  Call: (189) [user] classify_and_convert_charseq_([:], _1902664)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_1903616, _1903618), once(user:catch(read_from_chars([:], _1902664), _1903598, fail)), '$restore_trace'(_1903616, _1903618))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_1903616, _1903618))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1903598, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(:)
   Exit: (190) [system] atomic(:)
^  Exit: (189) [user] classify_and_convert_charseq_([:], :)
   Call: (189) [system] integer(:)
   Fail: (189) [system] integer(:)
   Call: (189) [system] _1856936=(:)
   Exit: (189) [system] (:)=(:)
^  Exit: (188) [user] classify_and_convert_charseq([:], :)
^  Exit: (187) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (186) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (186) [user] read_list(')', (0x563acd73bee0), _1915744)
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _1917602)
   Exit: (188) [system] peek_char((0x563acd73bee0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x563acd73bee0), _1927196)
   Exit: (188) [system] get_char((0x563acd73bee0), ' ')
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1929900)
   Exit: (189) [system] peek_char((0x563acd73bee0), a)
   Call: (189) [system] a=(;)
   Fail: (189) [system] a=(;)
   Call: (189) [system] a=(/)
   Fail: (189) [system] a=(/)
^  Call: (189) [user] is_like_space(a)
   Call: (190) [system] char_type(a, 'white')
   Fail: (190) [system] char_type(a, 'white')
   Call: (190) [system] char_type(a, end_of_line)
   Fail: (190) [system] char_type(a, end_of_line)
   Call: (190) [system] char_type(a, space)
   Fail: (190) [system] char_type(a, space)
   Call: (190) [system] char_type(a, cntrl)
   Fail: (190) [system] char_type(a, cntrl)
^  Fail: (189) [user] is_like_space(a)
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _1946834)
   Exit: (187) [system] peek_char((0x563acd73bee0), a)
   Call: (187) [system] a=')'
   Fail: (187) [system] a=')'
   Call: (187) [system] a=end_of_file
   Fail: (187) [system] a=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x563acd73bee0), _1952404)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1954262)
   Exit: (189) [system] peek_char((0x563acd73bee0), a)
   Call: (189) [system] a=(;)
   Fail: (189) [system] a=(;)
   Call: (189) [system] a=(/)
   Fail: (189) [system] a=(/)
^  Call: (189) [user] is_like_space(a)
   Call: (190) [system] char_type(a, 'white')
   Fail: (190) [system] char_type(a, 'white')
   Call: (190) [system] char_type(a, end_of_line)
   Fail: (190) [system] char_type(a, end_of_line)
   Call: (190) [system] char_type(a, space)
   Fail: (190) [system] char_type(a, space)
   Call: (190) [system] char_type(a, cntrl)
   Fail: (190) [system] char_type(a, cntrl)
^  Fail: (189) [user] is_like_space(a)
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] get_char((0x563acd73bee0), _1970272)
   Exit: (188) [system] get_char((0x563acd73bee0), a)
   Call: (188) [system] a='('
   Fail: (188) [system] a='('
   Call: (188) [system] a='['
   Fail: (188) [system] a='['
   Call: (188) [system] a='{'
   Fail: (188) [system] a='{'
   Call: (188) [system] a='"'
   Fail: (188) [system] a='"'
   Call: (188) [system] a=!
   Fail: (188) [system] a=!
   Call: (188) [system] a='\''
   Fail: (188) [system] a='\''
   Call: (188) [system] a='`'
   Fail: (188) [system] a='`'
   Call: (188) [system] a=end_of_file
   Fail: (188) [system] a=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x563acd73bee0), a, _1952404)
^  Call: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), _1987914)
   Call: (190) [system] peek_char((0x563acd73bee0), _1988848)
   Exit: (190) [system] peek_char((0x563acd73bee0), b)
^  Call: (190) [user] is_delimiter(b)
   Call: (191) [system] char_type(b, space)
   Fail: (191) [system] char_type(b, space)
   Call: (191) [system] arg(_1993568, v('(', ')', end_of_file), b)
   Fail: (191) [system] arg(_1994500, v('(', ')', end_of_file), b)
^  Fail: (190) [user] is_delimiter(b)
   Call: (190) [system] ')'==b
   Fail: (190) [system] ')'==b
   Call: (190) [system] get_char((0x563acd73bee0), b)
   Exit: (190) [system] get_char((0x563acd73bee0), b)
   Call: (190) [system] b=(\)
   Fail: (190) [system] b=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), _2001850)
   Call: (191) [system] peek_char((0x563acd73bee0), _2002784)
   Exit: (191) [system] peek_char((0x563acd73bee0), c)
^  Call: (191) [user] is_delimiter(c)
   Call: (192) [system] char_type(c, space)
   Fail: (192) [system] char_type(c, space)
   Call: (192) [system] arg(_2007504, v('(', ')', end_of_file), c)
   Fail: (192) [system] arg(_2008436, v('(', ')', end_of_file), c)
^  Fail: (191) [user] is_delimiter(c)
   Call: (191) [system] ')'==c
   Fail: (191) [system] ')'==c
   Call: (191) [system] get_char((0x563acd73bee0), c)
   Exit: (191) [system] get_char((0x563acd73bee0), c)
   Call: (191) [system] c=(\)
   Fail: (191) [system] c=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), _2015786)
   Call: (192) [system] peek_char((0x563acd73bee0), _2016720)
   Exit: (192) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _2015786=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (191) [system] _2001850=[c]
   Exit: (191) [system] [c]=[c]
^  Exit: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), [c])
   Call: (190) [system] _1987914=[b, c]
   Exit: (190) [system] [b, c]=[b, c]
^  Exit: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), [b, c])
^  Call: (189) [user] classify_and_convert_charseq([a, b, c], _1952404)
^  Call: (190) [user] classify_and_convert_charseq_([a, b, c], _2031592)
^  Call: (192) [system] setup_call_cleanup('$notrace'(_2032544, _2032546), once(user:catch(read_from_chars([a, b, c], _2031592), _2032526, fail)), '$restore_trace'(_2032544, _2032546))
^  Call: (193) [system] sig_atomic(system:'$notrace'(_2032544, _2032546))
^  Exit: (192) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _2032526, fail)), system:'$restore_trace'(3, -1))
   Call: (191) [system] atomic(abc)
   Exit: (191) [system] atomic(abc)
^  Exit: (190) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (190) [system] integer(abc)
   Fail: (190) [system] integer(abc)
   Call: (190) [system] _1952404=abc
   Exit: (190) [system] abc=abc
^  Exit: (189) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (188) [user] read_symbolic(')', (0x563acd73bee0), a, abc)
^  Exit: (187) [user] cont_sexpr(')', (0x563acd73bee0), abc)
^  Call: (187) [user] read_list(')', (0x563acd73bee0), _2044672)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _2046530)
   Exit: (189) [system] peek_char((0x563acd73bee0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x563acd73bee0), _2056124)
   Exit: (189) [system] get_char((0x563acd73bee0), ' ')
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _2058828)
   Exit: (190) [system] peek_char((0x563acd73bee0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _2075762)
   Exit: (188) [system] peek_char((0x563acd73bee0), '(')
   Call: (188) [system] '('=')'
   Fail: (188) [system] '('=')'
   Call: (188) [system] '('=end_of_file
   Fail: (188) [system] '('=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x563acd73bee0), _2081332)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _2083190)
   Exit: (190) [system] peek_char((0x563acd73bee0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] get_char((0x563acd73bee0), _5846)
   Exit: (189) [system] get_char((0x563acd73bee0), '(')
   Call: (189) [system] '('='('
   Exit: (189) [system] '('='('
^  Call: (189) [user] read_list(')', (0x563acd73bee0), _3396)
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _11416)
   Exit: (191) [system] peek_char((0x563acd73bee0), 'I')
   Call: (191) [system] 'I'=(;)
   Fail: (191) [system] 'I'=(;)
   Call: (191) [system] 'I'=(/)
   Fail: (191) [system] 'I'=(/)
^  Call: (191) [user] is_like_space('I')
   Call: (192) [system] char_type('I', 'white')
   Fail: (192) [system] char_type('I', 'white')
   Call: (192) [system] char_type('I', end_of_line)
   Fail: (192) [system] char_type('I', end_of_line)
   Call: (192) [system] char_type('I', space)
   Fail: (192) [system] char_type('I', space)
   Call: (192) [system] char_type('I', cntrl)
   Fail: (192) [system] char_type('I', cntrl)
^  Fail: (191) [user] is_like_space('I')
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _27426)
   Exit: (190) [system] peek_char((0x563acd73bee0), 'I')
   Call: (190) [system] 'I'=')'
   Fail: (190) [system] 'I'=')'
   Call: (190) [system] 'I'=end_of_file
   Fail: (190) [system] 'I'=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x563acd73bee0), _32996)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _34854)
   Exit: (192) [system] peek_char((0x563acd73bee0), 'I')
   Call: (192) [system] 'I'=(;)
   Fail: (192) [system] 'I'=(;)
   Call: (192) [system] 'I'=(/)
   Fail: (192) [system] 'I'=(/)
^  Call: (192) [user] is_like_space('I')
   Call: (193) [system] char_type('I', 'white')
   Fail: (193) [system] char_type('I', 'white')
   Call: (193) [system] char_type('I', end_of_line)
   Fail: (193) [system] char_type('I', end_of_line)
   Call: (193) [system] char_type('I', space)
   Fail: (193) [system] char_type('I', space)
   Call: (193) [system] char_type('I', cntrl)
   Fail: (193) [system] char_type('I', cntrl)
^  Fail: (192) [user] is_like_space('I')
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] get_char((0x563acd73bee0), _50864)
   Exit: (191) [system] get_char((0x563acd73bee0), 'I')
   Call: (191) [system] 'I'='('
   Fail: (191) [system] 'I'='('
   Call: (191) [system] 'I'='['
   Fail: (191) [system] 'I'='['
   Call: (191) [system] 'I'='{'
   Fail: (191) [system] 'I'='{'
   Call: (191) [system] 'I'='"'
   Fail: (191) [system] 'I'='"'
   Call: (191) [system] 'I'=!
   Fail: (191) [system] 'I'=!
   Call: (191) [system] 'I'='\''
   Fail: (191) [system] 'I'='\''
   Call: (191) [system] 'I'='`'
   Fail: (191) [system] 'I'='`'
   Call: (191) [system] 'I'=end_of_file
   Fail: (191) [system] 'I'=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x563acd73bee0), 'I', _32996)
^  Call: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), _68506)
   Call: (193) [system] peek_char((0x563acd73bee0), _69440)
   Exit: (193) [system] peek_char((0x563acd73bee0), m)
^  Call: (193) [user] is_delimiter(m)
   Call: (194) [system] char_type(m, space)
   Fail: (194) [system] char_type(m, space)
   Call: (194) [system] arg(_74160, v('(', ')', end_of_file), m)
   Fail: (194) [system] arg(_75092, v('(', ')', end_of_file), m)
^  Fail: (193) [user] is_delimiter(m)
   Call: (193) [system] ')'==m
   Fail: (193) [system] ')'==m
   Call: (193) [system] get_char((0x563acd73bee0), m)
   Exit: (193) [system] get_char((0x563acd73bee0), m)
   Call: (193) [system] m=(\)
   Fail: (193) [system] m=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _82442)
   Call: (194) [system] peek_char((0x563acd73bee0), _83376)
   Exit: (194) [system] peek_char((0x563acd73bee0), p)
^  Call: (194) [user] is_delimiter(p)
   Call: (195) [system] char_type(p, space)
   Fail: (195) [system] char_type(p, space)
   Call: (195) [system] arg(_88096, v('(', ')', end_of_file), p)
   Fail: (195) [system] arg(_89028, v('(', ')', end_of_file), p)
^  Fail: (194) [user] is_delimiter(p)
   Call: (194) [system] ')'==p
   Fail: (194) [system] ')'==p
   Call: (194) [system] get_char((0x563acd73bee0), p)
   Exit: (194) [system] get_char((0x563acd73bee0), p)
   Call: (194) [system] p=(\)
   Fail: (194) [system] p=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _96378)
   Call: (195) [system] peek_char((0x563acd73bee0), _97312)
   Exit: (195) [system] peek_char((0x563acd73bee0), l)
^  Call: (195) [user] is_delimiter(l)
   Call: (196) [system] char_type(l, space)
   Fail: (196) [system] char_type(l, space)
   Call: (196) [system] arg(_102032, v('(', ')', end_of_file), l)
   Fail: (196) [system] arg(_102964, v('(', ')', end_of_file), l)
^  Fail: (195) [user] is_delimiter(l)
   Call: (195) [system] ')'==l
   Fail: (195) [system] ')'==l
   Call: (195) [system] get_char((0x563acd73bee0), l)
   Exit: (195) [system] get_char((0x563acd73bee0), l)
   Call: (195) [system] l=(\)
   Fail: (195) [system] l=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _110314)
   Call: (196) [system] peek_char((0x563acd73bee0), _111248)
   Exit: (196) [system] peek_char((0x563acd73bee0), i)
^  Call: (196) [user] is_delimiter(i)
   Call: (197) [system] char_type(i, space)
   Fail: (197) [system] char_type(i, space)
   Call: (197) [system] arg(_115968, v('(', ')', end_of_file), i)
   Fail: (197) [system] arg(_116900, v('(', ')', end_of_file), i)
^  Fail: (196) [user] is_delimiter(i)
   Call: (196) [system] ')'==i
   Fail: (196) [system] ')'==i
   Call: (196) [system] get_char((0x563acd73bee0), i)
   Exit: (196) [system] get_char((0x563acd73bee0), i)
   Call: (196) [system] i=(\)
   Fail: (196) [system] i=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _124250)
   Call: (197) [system] peek_char((0x563acd73bee0), _125184)
   Exit: (197) [system] peek_char((0x563acd73bee0), c)
^  Call: (197) [user] is_delimiter(c)
   Call: (198) [system] char_type(c, space)
   Fail: (198) [system] char_type(c, space)
   Call: (198) [system] arg(_129904, v('(', ')', end_of_file), c)
   Fail: (198) [system] arg(_130836, v('(', ')', end_of_file), c)
^  Fail: (197) [user] is_delimiter(c)
   Call: (197) [system] ')'==c
   Fail: (197) [system] ')'==c
   Call: (197) [system] get_char((0x563acd73bee0), c)
   Exit: (197) [system] get_char((0x563acd73bee0), c)
   Call: (197) [system] c=(\)
   Fail: (197) [system] c=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _138186)
   Call: (198) [system] peek_char((0x563acd73bee0), _139120)
   Exit: (198) [system] peek_char((0x563acd73bee0), a)
^  Call: (198) [user] is_delimiter(a)
   Call: (199) [system] char_type(a, space)
   Fail: (199) [system] char_type(a, space)
   Call: (199) [system] arg(_143840, v('(', ')', end_of_file), a)
   Fail: (199) [system] arg(_144772, v('(', ')', end_of_file), a)
^  Fail: (198) [user] is_delimiter(a)
   Call: (198) [system] ')'==a
   Fail: (198) [system] ')'==a
   Call: (198) [system] get_char((0x563acd73bee0), a)
   Exit: (198) [system] get_char((0x563acd73bee0), a)
   Call: (198) [system] a=(\)
   Fail: (198) [system] a=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _152122)
   Call: (199) [system] peek_char((0x563acd73bee0), _153056)
   Exit: (199) [system] peek_char((0x563acd73bee0), t)
^  Call: (199) [user] is_delimiter(t)
   Call: (200) [system] char_type(t, space)
   Fail: (200) [system] char_type(t, space)
   Call: (200) [system] arg(_157776, v('(', ')', end_of_file), t)
   Fail: (200) [system] arg(_158708, v('(', ')', end_of_file), t)
^  Fail: (199) [user] is_delimiter(t)
   Call: (199) [system] ')'==t
   Fail: (199) [system] ')'==t
   Call: (199) [system] get_char((0x563acd73bee0), t)
   Exit: (199) [system] get_char((0x563acd73bee0), t)
   Call: (199) [system] t=(\)
   Fail: (199) [system] t=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _166058)
   Call: (200) [system] peek_char((0x563acd73bee0), _166992)
   Exit: (200) [system] peek_char((0x563acd73bee0), i)
^  Call: (200) [user] is_delimiter(i)
   Call: (201) [system] char_type(i, space)
   Fail: (201) [system] char_type(i, space)
   Call: (201) [system] arg(_171712, v('(', ')', end_of_file), i)
   Fail: (201) [system] arg(_172644, v('(', ')', end_of_file), i)
^  Fail: (200) [user] is_delimiter(i)
   Call: (200) [system] ')'==i
   Fail: (200) [system] ')'==i
   Call: (200) [system] get_char((0x563acd73bee0), i)
   Exit: (200) [system] get_char((0x563acd73bee0), i)
   Call: (200) [system] i=(\)
   Fail: (200) [system] i=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _179994)
   Call: (201) [system] peek_char((0x563acd73bee0), _180928)
   Exit: (201) [system] peek_char((0x563acd73bee0), o)
^  Call: (201) [user] is_delimiter(o)
   Call: (202) [system] char_type(o, space)
   Fail: (202) [system] char_type(o, space)
   Call: (202) [system] arg(_185648, v('(', ')', end_of_file), o)
   Fail: (202) [system] arg(_186580, v('(', ')', end_of_file), o)
^  Fail: (201) [user] is_delimiter(o)
   Call: (201) [system] ')'==o
   Fail: (201) [system] ')'==o
   Call: (201) [system] get_char((0x563acd73bee0), o)
   Exit: (201) [system] get_char((0x563acd73bee0), o)
   Call: (201) [system] o=(\)
   Fail: (201) [system] o=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _193930)
   Call: (202) [system] peek_char((0x563acd73bee0), _194864)
   Exit: (202) [system] peek_char((0x563acd73bee0), n)
^  Call: (202) [user] is_delimiter(n)
   Call: (203) [system] char_type(n, space)
   Fail: (203) [system] char_type(n, space)
   Call: (203) [system] arg(_199584, v('(', ')', end_of_file), n)
   Fail: (203) [system] arg(_200516, v('(', ')', end_of_file), n)
^  Fail: (202) [user] is_delimiter(n)
   Call: (202) [system] ')'==n
   Fail: (202) [system] ')'==n
   Call: (202) [system] get_char((0x563acd73bee0), n)
   Exit: (202) [system] get_char((0x563acd73bee0), n)
   Call: (202) [system] n=(\)
   Fail: (202) [system] n=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _207866)
   Call: (203) [system] peek_char((0x563acd73bee0), _208800)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _207866=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (202) [system] _193930=[n]
   Exit: (202) [system] [n]=[n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (201) [system] _179994=[o, n]
   Exit: (201) [system] [o, n]=[o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (200) [system] _166058=[i, o, n]
   Exit: (200) [system] [i, o, n]=[i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (199) [system] _152122=[t, i, o, n]
   Exit: (199) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (198) [system] _138186=[a, t, i, o, n]
   Exit: (198) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (197) [system] _124250=[c, a, t, i, o, n]
   Exit: (197) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (196) [system] _110314=[i, c, a, t, i, o, n]
   Exit: (196) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (195) [system] _96378=[l, i, c, a, t, i, o, n]
   Exit: (195) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (194) [system] _82442=[p, l, i, c, a, t, i, o, n]
   Exit: (194) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (193) [system] _68506=[m, p, l, i, c, a, t, i, o, n]
   Exit: (193) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (192) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _32996)
^  Call: (193) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _246024)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_246976, _246978), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _246024), _246958, fail)), '$restore_trace'(_246976, _246978))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_246976, _246978))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _246024), _246958, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(_246024)
   Fail: (194) [system] atomic(_246024)
   Call: (194) [system] atom_chars(_246024, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (194) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (193) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (193) [system] integer('Implication')
   Fail: (193) [system] integer('Implication')
   Call: (193) [system] _32996='Implication'
   Exit: (193) [system] 'Implication'='Implication'
^  Exit: (192) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (191) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (190) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (190) [user] read_list(')', (0x563acd73bee0), _260974)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _262832)
   Exit: (192) [system] peek_char((0x563acd73bee0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x563acd73bee0), _272426)
   Exit: (192) [system] get_char((0x563acd73bee0), ' ')
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _275130)
   Exit: (193) [system] peek_char((0x563acd73bee0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _292064)
   Exit: (191) [system] peek_char((0x563acd73bee0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x563acd73bee0), _297634)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _299492)
   Exit: (193) [system] peek_char((0x563acd73bee0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] get_char((0x563acd73bee0), _315502)
   Exit: (192) [system] get_char((0x563acd73bee0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _297634)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _321072)
   Exit: (194) [system] peek_char((0x563acd73bee0), 'A')
   Call: (194) [system] 'A'=(;)
   Fail: (194) [system] 'A'=(;)
   Call: (194) [system] 'A'=(/)
   Fail: (194) [system] 'A'=(/)
^  Call: (194) [user] is_like_space('A')
   Call: (195) [system] char_type('A', 'white')
   Fail: (195) [system] char_type('A', 'white')
   Call: (195) [system] char_type('A', end_of_line)
   Fail: (195) [system] char_type('A', end_of_line)
   Call: (195) [system] char_type('A', space)
   Fail: (195) [system] char_type('A', space)
   Call: (195) [system] char_type('A', cntrl)
   Fail: (195) [system] char_type('A', cntrl)
^  Fail: (194) [user] is_like_space('A')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _337082)
   Exit: (193) [system] peek_char((0x563acd73bee0), 'A')
   Call: (193) [system] 'A'=')'
   Fail: (193) [system] 'A'=')'
   Call: (193) [system] 'A'=end_of_file
   Fail: (193) [system] 'A'=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x563acd73bee0), _342652)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _344510)
   Exit: (195) [system] peek_char((0x563acd73bee0), 'A')
   Call: (195) [system] 'A'=(;)
   Fail: (195) [system] 'A'=(;)
   Call: (195) [system] 'A'=(/)
   Fail: (195) [system] 'A'=(/)
^  Call: (195) [user] is_like_space('A')
   Call: (196) [system] char_type('A', 'white')
   Fail: (196) [system] char_type('A', 'white')
   Call: (196) [system] char_type('A', end_of_line)
   Fail: (196) [system] char_type('A', end_of_line)
   Call: (196) [system] char_type('A', space)
   Fail: (196) [system] char_type('A', space)
   Call: (196) [system] char_type('A', cntrl)
   Fail: (196) [system] char_type('A', cntrl)
^  Fail: (195) [user] is_like_space('A')
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] get_char((0x563acd73bee0), _360520)
   Exit: (194) [system] get_char((0x563acd73bee0), 'A')
   Call: (194) [system] 'A'='('
   Fail: (194) [system] 'A'='('
   Call: (194) [system] 'A'='['
   Fail: (194) [system] 'A'='['
   Call: (194) [system] 'A'='{'
   Fail: (194) [system] 'A'='{'
   Call: (194) [system] 'A'='"'
   Fail: (194) [system] 'A'='"'
   Call: (194) [system] 'A'=!
   Fail: (194) [system] 'A'=!
   Call: (194) [system] 'A'='\''
   Fail: (194) [system] 'A'='\''
   Call: (194) [system] 'A'='`'
   Fail: (194) [system] 'A'='`'
   Call: (194) [system] 'A'=end_of_file
   Fail: (194) [system] 'A'=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x563acd73bee0), 'A', _342652)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _378162)
   Call: (196) [system] peek_char((0x563acd73bee0), _379096)
   Exit: (196) [system] peek_char((0x563acd73bee0), n)
^  Call: (196) [user] is_delimiter(n)
   Call: (197) [system] char_type(n, space)
   Fail: (197) [system] char_type(n, space)
   Call: (197) [system] arg(_383816, v('(', ')', end_of_file), n)
   Fail: (197) [system] arg(_384748, v('(', ')', end_of_file), n)
^  Fail: (196) [user] is_delimiter(n)
   Call: (196) [system] ')'==n
   Fail: (196) [system] ')'==n
   Call: (196) [system] get_char((0x563acd73bee0), n)
   Exit: (196) [system] get_char((0x563acd73bee0), n)
   Call: (196) [system] n=(\)
   Fail: (196) [system] n=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _392098)
   Call: (197) [system] peek_char((0x563acd73bee0), _393032)
   Exit: (197) [system] peek_char((0x563acd73bee0), d)
^  Call: (197) [user] is_delimiter(d)
   Call: (198) [system] char_type(d, space)
   Fail: (198) [system] char_type(d, space)
   Call: (198) [system] arg(_397752, v('(', ')', end_of_file), d)
   Fail: (198) [system] arg(_398684, v('(', ')', end_of_file), d)
^  Fail: (197) [user] is_delimiter(d)
   Call: (197) [system] ')'==d
   Fail: (197) [system] ')'==d
   Call: (197) [system] get_char((0x563acd73bee0), d)
   Exit: (197) [system] get_char((0x563acd73bee0), d)
   Call: (197) [system] d=(\)
   Fail: (197) [system] d=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _406034)
   Call: (198) [system] peek_char((0x563acd73bee0), _406968)
   Exit: (198) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (198) [user] is_delimiter('L')
   Call: (199) [system] char_type('L', space)
   Fail: (199) [system] char_type('L', space)
   Call: (199) [system] arg(_411688, v('(', ')', end_of_file), 'L')
   Fail: (199) [system] arg(_412620, v('(', ')', end_of_file), 'L')
^  Fail: (198) [user] is_delimiter('L')
   Call: (198) [system] ')'=='L'
   Fail: (198) [system] ')'=='L'
   Call: (198) [system] get_char((0x563acd73bee0), 'L')
   Exit: (198) [system] get_char((0x563acd73bee0), 'L')
   Call: (198) [system] 'L'=(\)
   Fail: (198) [system] 'L'=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _419970)
   Call: (199) [system] peek_char((0x563acd73bee0), _420904)
   Exit: (199) [system] peek_char((0x563acd73bee0), i)
^  Call: (199) [user] is_delimiter(i)
   Call: (200) [system] char_type(i, space)
   Fail: (200) [system] char_type(i, space)
   Call: (200) [system] arg(_425624, v('(', ')', end_of_file), i)
   Fail: (200) [system] arg(_426556, v('(', ')', end_of_file), i)
^  Fail: (199) [user] is_delimiter(i)
   Call: (199) [system] ')'==i
   Fail: (199) [system] ')'==i
   Call: (199) [system] get_char((0x563acd73bee0), i)
   Exit: (199) [system] get_char((0x563acd73bee0), i)
   Call: (199) [system] i=(\)
   Fail: (199) [system] i=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _433906)
   Call: (200) [system] peek_char((0x563acd73bee0), _434840)
   Exit: (200) [system] peek_char((0x563acd73bee0), n)
^  Call: (200) [user] is_delimiter(n)
   Call: (201) [system] char_type(n, space)
   Fail: (201) [system] char_type(n, space)
   Call: (201) [system] arg(_439560, v('(', ')', end_of_file), n)
   Fail: (201) [system] arg(_440492, v('(', ')', end_of_file), n)
^  Fail: (200) [user] is_delimiter(n)
   Call: (200) [system] ')'==n
   Fail: (200) [system] ')'==n
   Call: (200) [system] get_char((0x563acd73bee0), n)
   Exit: (200) [system] get_char((0x563acd73bee0), n)
   Call: (200) [system] n=(\)
   Fail: (200) [system] n=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _447842)
   Call: (201) [system] peek_char((0x563acd73bee0), _448776)
   Exit: (201) [system] peek_char((0x563acd73bee0), k)
^  Call: (201) [user] is_delimiter(k)
   Call: (202) [system] char_type(k, space)
   Fail: (202) [system] char_type(k, space)
   Call: (202) [system] arg(_453496, v('(', ')', end_of_file), k)
   Fail: (202) [system] arg(_454428, v('(', ')', end_of_file), k)
^  Fail: (201) [user] is_delimiter(k)
   Call: (201) [system] ')'==k
   Fail: (201) [system] ')'==k
   Call: (201) [system] get_char((0x563acd73bee0), k)
   Exit: (201) [system] get_char((0x563acd73bee0), k)
   Call: (201) [system] k=(\)
   Fail: (201) [system] k=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _461778)
   Call: (202) [system] peek_char((0x563acd73bee0), _462712)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _461778=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (201) [system] _447842=[k]
   Exit: (201) [system] [k]=[k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (200) [system] _433906=[n, k]
   Exit: (200) [system] [n, k]=[n, k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (199) [system] _419970=[i, n, k]
   Exit: (199) [system] [i, n, k]=[i, n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (198) [system] _406034=['L', i, n, k]
   Exit: (198) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (197) [system] _392098=[d, 'L', i, n, k]
   Exit: (197) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, 'L', i, n, k])
   Call: (196) [system] _378162=[n, d, 'L', i, n, k]
   Exit: (196) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, d, 'L', i, n, k])
^  Call: (195) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _342652)
^  Call: (196) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _488760)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_489712, _489714), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _488760), _489694, fail)), '$restore_trace'(_489712, _489714))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_489712, _489714))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _488760), _489694, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(_488760)
   Fail: (197) [system] atomic(_488760)
   Call: (197) [system] atom_chars(_488760, ['A', n, d, 'L', i, n, k])
   Exit: (197) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (196) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (196) [system] integer('AndLink')
   Fail: (196) [system] integer('AndLink')
   Call: (196) [system] _342652='AndLink'
   Exit: (196) [system] 'AndLink'='AndLink'
^  Exit: (195) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (194) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'AndLink')
^  Exit: (193) [user] cont_sexpr(')', (0x563acd73bee0), 'AndLink')
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _503710)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _505568)
   Exit: (195) [system] peek_char((0x563acd73bee0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x563acd73bee0), _515162)
   Exit: (195) [system] get_char((0x563acd73bee0), ' ')
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _517866)
   Exit: (196) [system] peek_char((0x563acd73bee0), 'A')
   Call: (196) [system] 'A'=(;)
   Fail: (196) [system] 'A'=(;)
   Call: (196) [system] 'A'=(/)
   Fail: (196) [system] 'A'=(/)
^  Call: (196) [user] is_like_space('A')
   Call: (197) [system] char_type('A', 'white')
   Fail: (197) [system] char_type('A', 'white')
   Call: (197) [system] char_type('A', end_of_line)
   Fail: (197) [system] char_type('A', end_of_line)
   Call: (197) [system] char_type('A', space)
   Fail: (197) [system] char_type('A', space)
   Call: (197) [system] char_type('A', cntrl)
   Fail: (197) [system] char_type('A', cntrl)
^  Fail: (196) [user] is_like_space('A')
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _534800)
   Exit: (194) [system] peek_char((0x563acd73bee0), 'A')
   Call: (194) [system] 'A'=')'
   Fail: (194) [system] 'A'=')'
   Call: (194) [system] 'A'=end_of_file
   Fail: (194) [system] 'A'=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x563acd73bee0), _540370)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _542228)
   Exit: (196) [system] peek_char((0x563acd73bee0), 'A')
   Call: (196) [system] 'A'=(;)
   Fail: (196) [system] 'A'=(;)
   Call: (196) [system] 'A'=(/)
   Fail: (196) [system] 'A'=(/)
^  Call: (196) [user] is_like_space('A')
   Call: (197) [system] char_type('A', 'white')
   Fail: (197) [system] char_type('A', 'white')
   Call: (197) [system] char_type('A', end_of_line)
   Fail: (197) [system] char_type('A', end_of_line)
   Call: (197) [system] char_type('A', space)
   Fail: (197) [system] char_type('A', space)
   Call: (197) [system] char_type('A', cntrl)
   Fail: (197) [system] char_type('A', cntrl)
^  Fail: (196) [user] is_like_space('A')
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] get_char((0x563acd73bee0), _558238)
   Exit: (195) [system] get_char((0x563acd73bee0), 'A')
   Call: (195) [system] 'A'='('
   Fail: (195) [system] 'A'='('
   Call: (195) [system] 'A'='['
   Fail: (195) [system] 'A'='['
   Call: (195) [system] 'A'='{'
   Fail: (195) [system] 'A'='{'
   Call: (195) [system] 'A'='"'
   Fail: (195) [system] 'A'='"'
   Call: (195) [system] 'A'=!
   Fail: (195) [system] 'A'=!
   Call: (195) [system] 'A'='\''
   Fail: (195) [system] 'A'='\''
   Call: (195) [system] 'A'='`'
   Fail: (195) [system] 'A'='`'
   Call: (195) [system] 'A'=end_of_file
   Fail: (195) [system] 'A'=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x563acd73bee0), 'A', _540370)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _575880)
   Call: (197) [system] peek_char((0x563acd73bee0), _576814)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _575880=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (196) [user] classify_and_convert_charseq(['A'], _540370)
^  Call: (197) [user] classify_and_convert_charseq_(['A'], _586098)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_587050, _587052), once(user:catch(read_from_chars(['A'], _586098), _587032, fail)), '$restore_trace'(_587050, _587052))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_587050, _587052))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _586098), _587032, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(_586098)
   Fail: (198) [system] atomic(_586098)
   Call: (198) [system] atom_chars(_586098, ['A'])
   Exit: (198) [system] atom_chars('A', ['A'])
^  Exit: (197) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (197) [system] integer('A')
   Fail: (197) [system] integer('A')
   Call: (197) [system] _540370='A'
   Exit: (197) [system] 'A'='A'
^  Exit: (196) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (195) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (194) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _601048)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _602906)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x563acd73bee0), _612500)
   Exit: (196) [system] get_char((0x563acd73bee0), ' ')
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _615204)
   Exit: (197) [system] peek_char((0x563acd73bee0), 'B')
   Call: (197) [system] 'B'=(;)
   Fail: (197) [system] 'B'=(;)
   Call: (197) [system] 'B'=(/)
   Fail: (197) [system] 'B'=(/)
^  Call: (197) [user] is_like_space('B')
   Call: (198) [system] char_type('B', 'white')
   Fail: (198) [system] char_type('B', 'white')
   Call: (198) [system] char_type('B', end_of_line)
   Fail: (198) [system] char_type('B', end_of_line)
   Call: (198) [system] char_type('B', space)
   Fail: (198) [system] char_type('B', space)
   Call: (198) [system] char_type('B', cntrl)
   Fail: (198) [system] char_type('B', cntrl)
^  Fail: (197) [user] is_like_space('B')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _632138)
   Exit: (195) [system] peek_char((0x563acd73bee0), 'B')
   Call: (195) [system] 'B'=')'
   Fail: (195) [system] 'B'=')'
   Call: (195) [system] 'B'=end_of_file
   Fail: (195) [system] 'B'=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x563acd73bee0), _637708)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _639566)
   Exit: (197) [system] peek_char((0x563acd73bee0), 'B')
   Call: (197) [system] 'B'=(;)
   Fail: (197) [system] 'B'=(;)
   Call: (197) [system] 'B'=(/)
   Fail: (197) [system] 'B'=(/)
^  Call: (197) [user] is_like_space('B')
   Call: (198) [system] char_type('B', 'white')
   Fail: (198) [system] char_type('B', 'white')
   Call: (198) [system] char_type('B', end_of_line)
   Fail: (198) [system] char_type('B', end_of_line)
   Call: (198) [system] char_type('B', space)
   Fail: (198) [system] char_type('B', space)
   Call: (198) [system] char_type('B', cntrl)
   Fail: (198) [system] char_type('B', cntrl)
^  Fail: (197) [user] is_like_space('B')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] get_char((0x563acd73bee0), _655576)
   Exit: (196) [system] get_char((0x563acd73bee0), 'B')
   Call: (196) [system] 'B'='('
   Fail: (196) [system] 'B'='('
   Call: (196) [system] 'B'='['
   Fail: (196) [system] 'B'='['
   Call: (196) [system] 'B'='{'
   Fail: (196) [system] 'B'='{'
   Call: (196) [system] 'B'='"'
   Fail: (196) [system] 'B'='"'
   Call: (196) [system] 'B'=!
   Fail: (196) [system] 'B'=!
   Call: (196) [system] 'B'='\''
   Fail: (196) [system] 'B'='\''
   Call: (196) [system] 'B'='`'
   Fail: (196) [system] 'B'='`'
   Call: (196) [system] 'B'=end_of_file
   Fail: (196) [system] 'B'=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x563acd73bee0), 'B', _637708)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _673218)
   Call: (198) [system] peek_char((0x563acd73bee0), _674152)
   Exit: (198) [system] peek_char((0x563acd73bee0), ')')
^  Call: (198) [user] is_delimiter(')')
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] arg(_678872, v('(', ')', end_of_file), ')')
   Exit: (199) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (198) [user] is_delimiter(')')
   Call: (198) [system] _673218=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (197) [user] classify_and_convert_charseq(['B'], _637708)
^  Call: (198) [user] classify_and_convert_charseq_(['B'], _685308)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_686260, _686262), once(user:catch(read_from_chars(['B'], _685308), _686242, fail)), '$restore_trace'(_686260, _686262))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_686260, _686262))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _685308), _686242, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(_685308)
   Fail: (199) [system] atomic(_685308)
   Call: (199) [system] atom_chars(_685308, ['B'])
   Exit: (199) [system] atom_chars('B', ['B'])
^  Exit: (198) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (198) [system] integer('B')
   Fail: (198) [system] integer('B')
   Call: (198) [system] _637708='B'
   Exit: (198) [system] 'B'='B'
^  Exit: (197) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (196) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (195) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _700258)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _702116)
   Exit: (197) [system] peek_char((0x563acd73bee0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _718126)
   Exit: (196) [system] peek_char((0x563acd73bee0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x563acd73bee0), _721916)
   Exit: (196) [system] get_char((0x563acd73bee0), ')')
   Call: (196) [system] _700258=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), [])
   Call: (195) [system] _601048=['B']
   Exit: (195) [system] ['B']=['B']
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), ['B'])
   Call: (194) [system] _503710=['A', 'B']
   Exit: (194) [system] ['A', 'B']=['A', 'B']
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), ['A', 'B'])
   Call: (193) [system] _297634=['AndLink', 'A', 'B']
   Exit: (193) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Exit: (191) [user] cont_sexpr(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Call: (191) [user] read_list(')', (0x563acd73bee0), _735798)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _737656)
   Exit: (193) [system] peek_char((0x563acd73bee0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x563acd73bee0), _747250)
   Exit: (193) [system] get_char((0x563acd73bee0), ' ')
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _749954)
   Exit: (194) [system] peek_char((0x563acd73bee0), 'C')
   Call: (194) [system] 'C'=(;)
   Fail: (194) [system] 'C'=(;)
   Call: (194) [system] 'C'=(/)
   Fail: (194) [system] 'C'=(/)
^  Call: (194) [user] is_like_space('C')
   Call: (195) [system] char_type('C', 'white')
   Fail: (195) [system] char_type('C', 'white')
   Call: (195) [system] char_type('C', end_of_line)
   Fail: (195) [system] char_type('C', end_of_line)
   Call: (195) [system] char_type('C', space)
   Fail: (195) [system] char_type('C', space)
   Call: (195) [system] char_type('C', cntrl)
   Fail: (195) [system] char_type('C', cntrl)
^  Fail: (194) [user] is_like_space('C')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _766888)
   Exit: (192) [system] peek_char((0x563acd73bee0), 'C')
   Call: (192) [system] 'C'=')'
   Fail: (192) [system] 'C'=')'
   Call: (192) [system] 'C'=end_of_file
   Fail: (192) [system] 'C'=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x563acd73bee0), _772458)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _774316)
   Exit: (194) [system] peek_char((0x563acd73bee0), 'C')
   Call: (194) [system] 'C'=(;)
   Fail: (194) [system] 'C'=(;)
   Call: (194) [system] 'C'=(/)
   Fail: (194) [system] 'C'=(/)
^  Call: (194) [user] is_like_space('C')
   Call: (195) [system] char_type('C', 'white')
   Fail: (195) [system] char_type('C', 'white')
   Call: (195) [system] char_type('C', end_of_line)
   Fail: (195) [system] char_type('C', end_of_line)
   Call: (195) [system] char_type('C', space)
   Fail: (195) [system] char_type('C', space)
   Call: (195) [system] char_type('C', cntrl)
   Fail: (195) [system] char_type('C', cntrl)
^  Fail: (194) [user] is_like_space('C')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] get_char((0x563acd73bee0), _790326)
   Exit: (193) [system] get_char((0x563acd73bee0), 'C')
   Call: (193) [system] 'C'='('
   Fail: (193) [system] 'C'='('
   Call: (193) [system] 'C'='['
   Fail: (193) [system] 'C'='['
   Call: (193) [system] 'C'='{'
   Fail: (193) [system] 'C'='{'
   Call: (193) [system] 'C'='"'
   Fail: (193) [system] 'C'='"'
   Call: (193) [system] 'C'=!
   Fail: (193) [system] 'C'=!
   Call: (193) [system] 'C'='\''
   Fail: (193) [system] 'C'='\''
   Call: (193) [system] 'C'='`'
   Fail: (193) [system] 'C'='`'
   Call: (193) [system] 'C'=end_of_file
   Fail: (193) [system] 'C'=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x563acd73bee0), 'C', _772458)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _807968)
   Call: (195) [system] peek_char((0x563acd73bee0), _808902)
   Exit: (195) [system] peek_char((0x563acd73bee0), ')')
^  Call: (195) [user] is_delimiter(')')
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] arg(_813622, v('(', ')', end_of_file), ')')
   Exit: (196) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (195) [user] is_delimiter(')')
   Call: (195) [system] _807968=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (194) [user] classify_and_convert_charseq(['C'], _772458)
^  Call: (195) [user] classify_and_convert_charseq_(['C'], _820058)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_821010, _821012), once(user:catch(read_from_chars(['C'], _820058), _820992, fail)), '$restore_trace'(_821010, _821012))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_821010, _821012))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _820058), _820992, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(_820058)
   Fail: (196) [system] atomic(_820058)
   Call: (196) [system] atom_chars(_820058, ['C'])
   Exit: (196) [system] atom_chars('C', ['C'])
^  Exit: (195) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (195) [system] integer('C')
   Fail: (195) [system] integer('C')
   Call: (195) [system] _772458='C'
   Exit: (195) [system] 'C'='C'
^  Exit: (194) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (193) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (192) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _835008)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _836866)
   Exit: (194) [system] peek_char((0x563acd73bee0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
   Call: (194) [system] ')'=(/)
   Fail: (194) [system] ')'=(/)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _852876)
   Exit: (193) [system] peek_char((0x563acd73bee0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x563acd73bee0), _856666)
   Exit: (193) [system] get_char((0x563acd73bee0), ')')
   Call: (193) [system] _835008=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), [])
   Call: (192) [system] _735798=['C']
   Exit: (192) [system] ['C']=['C']
^  Exit: (191) [user] read_list(')', (0x563acd73bee0), ['C'])
   Call: (191) [system] _260974=[['AndLink', 'A', 'B'], 'C']
   Exit: (191) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (190) [user] read_list(')', (0x563acd73bee0), [['AndLink', 'A', 'B'], 'C'])
   Call: (190) [system] _3396=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (190) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (189) [user] read_list(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (188) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (188) [user] read_list(')', (0x563acd73bee0), _870548)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _872406)
   Exit: (190) [system] peek_char((0x563acd73bee0), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
   Call: (190) [system] ')'=(/)
   Fail: (190) [system] ')'=(/)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _888416)
   Exit: (189) [system] peek_char((0x563acd73bee0), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x563acd73bee0), _892206)
   Exit: (189) [system] get_char((0x563acd73bee0), ')')
   Call: (189) [system] _870548=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x563acd73bee0), [])
   Call: (188) [system] _3392=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (188) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (187) [user] read_list(')', (0x563acd73bee0), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (187) [system] _3386=[abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (187) [system] [abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]=[abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (186) [user] read_list(')', (0x563acd73bee0), [abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (186) [system] _3378=[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (186) [system] [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]=[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (185) [user] read_list(')', (0x563acd73bee0), [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (184) [user] cont_sexpr(')', (0x563acd73bee0), [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (184) [user] read_list(')', (0x563acd73bee0), _906088)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _907946)
   Exit: (186) [system] peek_char((0x563acd73bee0), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
   Call: (186) [system] ')'=(/)
   Fail: (186) [system] ')'=(/)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _923956)
   Exit: (185) [system] peek_char((0x563acd73bee0), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x563acd73bee0), _927746)
   Exit: (185) [system] get_char((0x563acd73bee0), ')')
   Call: (185) [system] _906088=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x563acd73bee0), [])
   Call: (184) [system] _3374=[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (184) [system] [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (183) [user] read_list(')', (0x563acd73bee0), [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (183) [system] _3362=[[kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (183) [system] [[kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[[kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (182) [user] read_list(')', (0x563acd73bee0), [[kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (182) [system] _3322=[=, [kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (182) [system] [=, [kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[=, [kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (181) [user] read_list(')', (0x563acd73bee0), [=, [kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (180) [user] cont_sexpr(')', (0x563acd73bee0), [=, [kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (179) [user] read_sexpr((0x563acd73bee0), [=, [kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (179) [user] assertz(metta_file_comment(97, 0, 4017, [=, [kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]], '$stream_position'(4017, 97, 0, 4017)))
^  Exit: (179) [user] assertz(metta_file_comment(97, 0, 4017, [=, [kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]], '$stream_position'(4017, 97, 0, 4017)))
^  Exit: (177) [system] once(user:(read_position((0x563acd73bee0), 97, 0, 4017, '$stream_position'(4017, 97, 0, 4017)), read_sexpr((0x563acd73bee0), [=, [kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]]), assertz(metta_file_comment(97, 0, 4017, [=, [kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]], '$stream_position'(4017, 97, 0, 4017)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_946264, _946266, _946268, _946270, _946272))
^  Exit: (177) [user] retract(metta_file_comment(47, 0, 1473, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$stream_position'(1473, 47, 0, 1473)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _949112))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _949112)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _949112)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _951928))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _951928))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _951928)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _954728))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _954728)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _954728)
   Call: (187) [system] var('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
   Call: (187) [system] atom('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
   Call: (187) [system] '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)==true
   Call: (187) [system] '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)==false
   Call: (187) [system] '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)==[_961248, _961254]
   Call: (187) [system] is_list('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
   Call: (187) [system] string('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
   Call: (187) [system] compound('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
   Exit: (187) [system] compound('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _965882, _965884)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT', [";; TODO: recurse over curried rules instead of duplicating code over", 47, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";; TODO: recurse over curried rules instead of duplicating code over", 47, 0], _969624)
   Call: (188) [apply] apply:maplist_([";; TODO: recurse over curried rules instead of duplicating code over", 47, 0], _969624, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";; TODO: recurse over curried rules instead of duplicating code over", _971504)
   Call: (190) [system] var(";; TODO: recurse over curried rules instead of duplicating code over")
   Call: (190) [system] atom(";; TODO: recurse over curried rules instead of duplicating code over")
   Call: (190) [system] ";; TODO: recurse over curried rules instead of duplicating code over"==true
   Call: (190) [system] ";; TODO: recurse over curried rules instead of duplicating code over"==false
   Call: (190) [system] ";; TODO: recurse over curried rules instead of duplicating code over"==[_976146, _976152]
   Call: (190) [system] is_list(";; TODO: recurse over curried rules instead of duplicating code over")
   Call: (190) [system] string(";; TODO: recurse over curried rules instead of duplicating code over")
   Exit: (190) [system] string(";; TODO: recurse over curried rules instead of duplicating code over")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";; TODO: recurse over curried rules instead of duplicating code over")
^  Call: (190) [user] symbol(";; TODO: recurse over curried rules instead of duplicating code over")
   Call: (191) [system] atom(";; TODO: recurse over curried rules instead of duplicating code over")
   Fail: (191) [system] atom(";; TODO: recurse over curried rules instead of duplicating code over")
^  Fail: (190) [user] symbol(";; TODO: recurse over curried rules instead of duplicating code over")
   Call: (190) [system] ";; TODO: recurse over curried rules instead of duplicating code over"=_971504
   Exit: (190) [system] ";; TODO: recurse over curried rules instead of duplicating code over"=";; TODO: recurse over curried rules instead of duplicating code over"
^  Exit: (189) [user] mfix_vars1(";; TODO: recurse over curried rules instead of duplicating code over", ";; TODO: recurse over curried rules instead of duplicating code over")
   Call: (189) [apply] apply:maplist_([47, 0], _971506, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(47, _990026)
   Call: (191) [system] var(47)
   Call: (191) [system] atom(47)
   Call: (191) [system] 47==true
   Call: (191) [system] 47==false
   Call: (191) [system] 47==[_994668, _994674]
   Call: (191) [system] is_list(47)
   Call: (191) [system] string(47)
   Call: (191) [system] compound(47)
^  Call: (191) [user] symbol(47)
   Call: (192) [system] atom(47)
   Fail: (192) [system] atom(47)
^  Fail: (191) [user] symbol(47)
   Call: (191) [system] 47=_990026
   Exit: (191) [system] 47=47
^  Exit: (190) [user] mfix_vars1(47, 47)
   Call: (190) [apply] apply:maplist_([0], _990028, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _1005792)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_1010434, _1010440]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_1005792
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _1005794, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([47, 0], [47, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";; TODO: recurse over curried rules instead of duplicating code over", 47, 0], [";; TODO: recurse over curried rules instead of duplicating code over", 47, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";; TODO: recurse over curried rules instead of duplicating code over", 47, 0], [";; TODO: recurse over curried rules instead of duplicating code over", 47, 0])
   Call: (187) [system] compound_name_arguments(_954728, '$COMMENT', [";; TODO: recurse over curried rules instead of duplicating code over", 47, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT', [";; TODO: recurse over curried rules instead of duplicating code over", 47, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)))
   Call: (184) [system] '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)\=@='$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _1034610))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _1034610))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _1034610)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _1037410))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _1037410)
^  Call: (186) [user] cons_to_c('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _1037410)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)))
   Call: (184) [system] '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)\=@='$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _949112))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _949112))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _949112)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _1051368))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _1051368)
^  Call: (186) [user] cons_to_l('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _1051368)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)))
   Call: (184) [system] '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)\=@='$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)))
   Call: (178) [system] '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)\=@='$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
^  Exit: (171) [user] read_sform((0x563acd73bee0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
^  Exit: (170) [system] once(user:read_sform((0x563acd73bee0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x563acd73bee0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)))
   Call: (169) [system] '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1727204596.0891678), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204596.0891678), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)), 96]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), ynthesize_long_1727204587_629323, 96)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1727204596.0891678), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204596.0891678), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)), 96]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1727204596.3061607)
   Call: (173) [system] arg(1, t(1727204596.0891678), _3148)
   Exit: (173) [system] arg(1, t(1727204596.0891678), 1727204596.0891678)
   Call: (173) [system] _3158 is 1727204596.3061607-1727204596.0891678
   Exit: (173) [system] 0.21699285507202148 is 1727204596.3061607-1727204596.0891678
   Call: (173) [system] 0.21699285507202148>4
   Fail: (173) [system] 0.21699285507202148>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1727204596.0891678), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204596.0891678), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)), 96]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 13)
   Call: (175) [system] atom(13+1)
   Call: (175) [system] set_flag(translated_forms, 14)
   Exit: (175) [system] set_flag(translated_forms, 14)
   Exit: (174) [$syspreds] update_flag(translated_forms, 13, 13+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 13, 13+1))
   Exit: (171) [$syspreds] flag(translated_forms, 13, 13+1)
^  Call: (171) [user] write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), ynthesize_long_1727204587_629323, 96)
^  Call: (172) [user] format((0x563acd7397e0), "/* ~w */~n", [";; TODO: recurse over curried rules instead of duplicating code over"])
^  Exit: (172) [user] format((0x563acd7397e0), "/* ~w */~n", [";; TODO: recurse over curried rules instead of duplicating code over"])
^  Exit: (171) [user] write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), ynthesize_long_1727204587_629323, 96)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1727204596.0891678), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204596.0891678), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)), 96]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 13, 13+1), write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), ynthesize_long_1727204587_629323, 96)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x563acd73bee0))
   Fail: (169) [system] at_end_of_stream((0x563acd73bee0))
^  Call: (169) [user] must_det_ll(line_count((0x563acd73bee0), _3074))
^  Call: (170) [user] once(user:line_count((0x563acd73bee0), _3074))
   Call: (171) [system] line_count((0x563acd73bee0), _3074)
   Exit: (171) [system] line_count((0x563acd73bee0), 97)
^  Exit: (170) [system] once(user:line_count((0x563acd73bee0), 97))
^  Exit: (169) [user] must_det_ll(user:line_count((0x563acd73bee0), 97))
^  Call: (169) [user] must_det_ll(read_sform((0x563acd73bee0), _3084))
^  Call: (170) [user] once(user:read_sform((0x563acd73bee0), _3084))
^  Call: (171) [user] read_sform((0x563acd73bee0), _3084)
   Call: (172) [system] string((0x563acd73bee0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
   Call: (173) [system] string((0x563acd73bee0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), _3084)
   Call: (174) [system] at_end_of_stream((0x563acd73bee0))
   Call: (174) [system] peek_char((0x563acd73bee0), _1126152)
   Exit: (174) [system] peek_char((0x563acd73bee0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x563acd73bee0), '\n')
   Exit: (174) [system] get_char((0x563acd73bee0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x563acd73bee0), _3084)
   Call: (175) [system] at_end_of_stream((0x563acd73bee0))
   Call: (175) [system] peek_char((0x563acd73bee0), _1133574)
   Exit: (175) [system] peek_char((0x563acd73bee0), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
   Call: (176) [system] string((0x563acd73bee0))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), _3084)
   Call: (177) [system] at_end_of_stream((0x563acd73bee0))
   Call: (177) [system] peek_char((0x563acd73bee0), _1141912)
   Exit: (177) [system] peek_char((0x563acd73bee0), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _1144698=(0x563acd73bee0)
   Exit: (177) [system] (0x563acd73bee0)=(0x563acd73bee0)
^  Call: (177) [user] once((read_position((0x563acd73bee0), _1146566, _1146568, _1146570, _1146572), read_sexpr((0x563acd73bee0), _1146584), assertz(metta_file_comment(_1146566, _1146568, _1146570, _1146584, _1146572))))
^  Call: (179) [user] read_position((0x563acd73bee0), _1146566, _1146568, _1146570, _1146572)
   Call: (180) [system] stream_property((0x563acd73bee0), position(_1146572))
   Call: (181) [system] nonvar((0x563acd73bee0))
   Exit: (181) [system] nonvar((0x563acd73bee0))
   Call: (181) [system] nonvar(position(_1146572))
   Exit: (181) [system] nonvar(position(_1146572))
   Exit: (180) [system] stream_property((0x563acd73bee0), position('$stream_position'(4064, 98, 0, 4064)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4064, 98, 0, 4064), _1146566)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _1156824)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(4064, 98, 0, 4064), _1146566)
   Exit: (181) [system] arg(2, '$stream_position'(4064, 98, 0, 4064), 98)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4064, 98, 0, 4064), 98)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4064, 98, 0, 4064), _1146568)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _1164258)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(4064, 98, 0, 4064), _1146568)
   Exit: (181) [system] arg(3, '$stream_position'(4064, 98, 0, 4064), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4064, 98, 0, 4064), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4064, 98, 0, 4064), _1146570)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _1171692)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(4064, 98, 0, 4064), _1146570)
   Exit: (181) [system] arg(1, '$stream_position'(4064, 98, 0, 4064), 4064)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4064, 98, 0, 4064), 4064)
^  Exit: (179) [user] read_position((0x563acd73bee0), 98, 0, 4064, '$stream_position'(4064, 98, 0, 4064))
^  Call: (179) [user] read_sexpr((0x563acd73bee0), _1146584)
   Call: (180) [system] string((0x563acd73bee0))
   Fail: (180) [system] string((0x563acd73bee0))
^  Call: (180) [user] cont_sexpr(')', (0x563acd73bee0), _1146584)
^  Call: (181) [user] skip_spaces((0x563acd73bee0))
   Call: (182) [system] peek_char((0x563acd73bee0), _1181918)
   Exit: (182) [system] peek_char((0x563acd73bee0), '(')
   Call: (182) [system] '('=(;)
   Fail: (182) [system] '('=(;)
   Call: (182) [system] '('=(/)
   Fail: (182) [system] '('=(/)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Fail: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Fail: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Fail: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
   Fail: (183) [system] char_type('(', cntrl)
^  Fail: (182) [user] is_like_space('(')
^  Exit: (181) [user] skip_spaces((0x563acd73bee0))
   Call: (181) [system] get_char((0x563acd73bee0), _1197928)
   Exit: (181) [system] get_char((0x563acd73bee0), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x563acd73bee0), _1146584)
^  Call: (182) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] peek_char((0x563acd73bee0), _1203498)
   Exit: (183) [system] peek_char((0x563acd73bee0), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
   Call: (183) [system] (=)=(/)
   Fail: (183) [system] (=)=(/)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x563acd73bee0))
   Call: (182) [system] peek_char((0x563acd73bee0), _1219508)
   Exit: (182) [system] peek_char((0x563acd73bee0), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x563acd73bee0), _1225078)
^  Call: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _1226936)
   Exit: (184) [system] peek_char((0x563acd73bee0), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
   Call: (184) [system] (=)=(/)
   Fail: (184) [system] (=)=(/)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] get_char((0x563acd73bee0), _1242946)
   Exit: (183) [system] get_char((0x563acd73bee0), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x563acd73bee0), =, _1225078)
^  Call: (184) [user] read_symbolic_cont(')', (0x563acd73bee0), _1260588)
   Call: (185) [system] peek_char((0x563acd73bee0), _1261522)
   Exit: (185) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _1260588=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (184) [user] classify_and_convert_charseq([=], _1225078)
^  Call: (185) [user] classify_and_convert_charseq_([=], _1270806)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_1271758, _1271760), once(user:catch(read_from_chars([=], _1270806), _1271740, fail)), '$restore_trace'(_1271758, _1271760))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_1271758, _1271760))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _1271740, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(=)
   Exit: (186) [system] atomic(=)
^  Exit: (185) [user] classify_and_convert_charseq_([=], =)
   Call: (185) [system] integer(=)
   Fail: (185) [system] integer(=)
   Call: (185) [system] _1225078=(=)
   Exit: (185) [system] (=)=(=)
^  Exit: (184) [user] classify_and_convert_charseq([=], =)
^  Exit: (183) [user] read_symbolic(')', (0x563acd73bee0), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x563acd73bee0), =)
^  Call: (182) [user] read_list(')', (0x563acd73bee0), _1283886)
^  Call: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _1285744)
   Exit: (184) [system] peek_char((0x563acd73bee0), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
   Call: (184) [system] ' '=(/)
   Fail: (184) [system] ' '=(/)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x563acd73bee0), _1295338)
   Exit: (184) [system] get_char((0x563acd73bee0), ' ')
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _1298042)
   Exit: (185) [system] peek_char((0x563acd73bee0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
^  Exit: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] peek_char((0x563acd73bee0), _1314976)
   Exit: (183) [system] peek_char((0x563acd73bee0), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x563acd73bee0), _1320546)
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _1322404)
   Exit: (185) [system] peek_char((0x563acd73bee0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] get_char((0x563acd73bee0), _1338414)
   Exit: (184) [system] get_char((0x563acd73bee0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x563acd73bee0), _1320546)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1343984)
   Exit: (186) [system] peek_char((0x563acd73bee0), k)
   Call: (186) [system] k=(;)
   Fail: (186) [system] k=(;)
   Call: (186) [system] k=(/)
   Fail: (186) [system] k=(/)
^  Call: (186) [user] is_like_space(k)
   Call: (187) [system] char_type(k, 'white')
   Fail: (187) [system] char_type(k, 'white')
   Call: (187) [system] char_type(k, end_of_line)
   Fail: (187) [system] char_type(k, end_of_line)
   Call: (187) [system] char_type(k, space)
   Fail: (187) [system] char_type(k, space)
   Call: (187) [system] char_type(k, cntrl)
   Fail: (187) [system] char_type(k, cntrl)
^  Fail: (186) [user] is_like_space(k)
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _1359994)
   Exit: (185) [system] peek_char((0x563acd73bee0), k)
   Call: (185) [system] k=')'
   Fail: (185) [system] k=')'
   Call: (185) [system] k=end_of_file
   Fail: (185) [system] k=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x563acd73bee0), _1365564)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _1367422)
   Exit: (187) [system] peek_char((0x563acd73bee0), k)
   Call: (187) [system] k=(;)
   Fail: (187) [system] k=(;)
   Call: (187) [system] k=(/)
   Fail: (187) [system] k=(/)
^  Call: (187) [user] is_like_space(k)
   Call: (188) [system] char_type(k, 'white')
   Fail: (188) [system] char_type(k, 'white')
   Call: (188) [system] char_type(k, end_of_line)
   Fail: (188) [system] char_type(k, end_of_line)
   Call: (188) [system] char_type(k, space)
   Fail: (188) [system] char_type(k, space)
   Call: (188) [system] char_type(k, cntrl)
   Fail: (188) [system] char_type(k, cntrl)
^  Fail: (187) [user] is_like_space(k)
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] get_char((0x563acd73bee0), _1383432)
   Exit: (186) [system] get_char((0x563acd73bee0), k)
   Call: (186) [system] k='('
   Fail: (186) [system] k='('
   Call: (186) [system] k='['
   Fail: (186) [system] k='['
   Call: (186) [system] k='{'
   Fail: (186) [system] k='{'
   Call: (186) [system] k='"'
   Fail: (186) [system] k='"'
   Call: (186) [system] k=!
   Fail: (186) [system] k=!
   Call: (186) [system] k='\''
   Fail: (186) [system] k='\''
   Call: (186) [system] k='`'
   Fail: (186) [system] k='`'
   Call: (186) [system] k=end_of_file
   Fail: (186) [system] k=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x563acd73bee0), k, _1365564)
^  Call: (187) [user] read_symbolic_cont(')', (0x563acd73bee0), _1401074)
   Call: (188) [system] peek_char((0x563acd73bee0), _1402008)
   Exit: (188) [system] peek_char((0x563acd73bee0), b)
^  Call: (188) [user] is_delimiter(b)
   Call: (189) [system] char_type(b, space)
   Fail: (189) [system] char_type(b, space)
   Call: (189) [system] arg(_1406728, v('(', ')', end_of_file), b)
   Fail: (189) [system] arg(_1407660, v('(', ')', end_of_file), b)
^  Fail: (188) [user] is_delimiter(b)
   Call: (188) [system] ')'==b
   Fail: (188) [system] ')'==b
   Call: (188) [system] get_char((0x563acd73bee0), b)
   Exit: (188) [system] get_char((0x563acd73bee0), b)
   Call: (188) [system] b=(\)
   Fail: (188) [system] b=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), _1415010)
   Call: (189) [system] peek_char((0x563acd73bee0), _1415944)
   Exit: (189) [system] peek_char((0x563acd73bee0), ')')
^  Call: (189) [user] is_delimiter(')')
   Call: (190) [system] char_type(')', space)
   Fail: (190) [system] char_type(')', space)
   Call: (190) [system] arg(_1420664, v('(', ')', end_of_file), ')')
   Exit: (190) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (189) [user] is_delimiter(')')
   Call: (189) [system] _1415010=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (188) [system] _1401074=[b]
   Exit: (188) [system] [b]=[b]
^  Exit: (187) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
^  Call: (187) [user] classify_and_convert_charseq([k, b], _1365564)
^  Call: (188) [user] classify_and_convert_charseq_([k, b], _1429894)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_1430846, _1430848), once(user:catch(read_from_chars([k, b], _1429894), _1430828, fail)), '$restore_trace'(_1430846, _1430848))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_1430846, _1430848))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([k, b], kb), _1430828, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(kb)
   Exit: (189) [system] atomic(kb)
^  Exit: (188) [user] classify_and_convert_charseq_([k, b], kb)
   Call: (188) [system] integer(kb)
   Fail: (188) [system] integer(kb)
   Call: (188) [system] _1365564=kb
   Exit: (188) [system] kb=kb
^  Exit: (187) [user] classify_and_convert_charseq([k, b], kb)
^  Exit: (186) [user] read_symbolic(')', (0x563acd73bee0), k, kb)
^  Exit: (185) [user] cont_sexpr(')', (0x563acd73bee0), kb)
^  Call: (185) [user] read_list(')', (0x563acd73bee0), _1442974)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _1444832)
   Exit: (187) [system] peek_char((0x563acd73bee0), ')')
   Call: (187) [system] ')'=(;)
   Fail: (187) [system] ')'=(;)
   Call: (187) [system] ')'=(/)
   Fail: (187) [system] ')'=(/)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Fail: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Fail: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Fail: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
   Fail: (188) [system] char_type(')', cntrl)
^  Fail: (187) [user] is_like_space(')')
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1460842)
   Exit: (186) [system] peek_char((0x563acd73bee0), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x563acd73bee0), _1464632)
   Exit: (186) [system] get_char((0x563acd73bee0), ')')
   Call: (186) [system] _1442974=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x563acd73bee0), [])
   Call: (185) [system] _1320546=[kb]
   Exit: (185) [system] [kb]=[kb]
^  Exit: (184) [user] read_list(')', (0x563acd73bee0), [kb])
^  Exit: (183) [user] cont_sexpr(')', (0x563acd73bee0), [kb])
^  Call: (183) [user] read_list(')', (0x563acd73bee0), _1472926)
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _1474784)
   Exit: (185) [system] peek_char((0x563acd73bee0), ' ')
   Call: (185) [system] ' '=(;)
   Fail: (185) [system] ' '=(;)
   Call: (185) [system] ' '=(/)
   Fail: (185) [system] ' '=(/)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x563acd73bee0), _1484378)
   Exit: (185) [system] get_char((0x563acd73bee0), ' ')
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1487082)
   Exit: (186) [system] peek_char((0x563acd73bee0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _1504016)
   Exit: (184) [system] peek_char((0x563acd73bee0), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x563acd73bee0), _1509586)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1511444)
   Exit: (186) [system] peek_char((0x563acd73bee0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] get_char((0x563acd73bee0), _1527454)
   Exit: (185) [system] get_char((0x563acd73bee0), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x563acd73bee0), _1509586)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _1533024)
   Exit: (187) [system] peek_char((0x563acd73bee0), :)
   Call: (187) [system] (:)=(;)
   Fail: (187) [system] (:)=(;)
   Call: (187) [system] (:)=(/)
   Fail: (187) [system] (:)=(/)
^  Call: (187) [user] is_like_space(:)
   Call: (188) [system] char_type(:, 'white')
   Fail: (188) [system] char_type(:, 'white')
   Call: (188) [system] char_type(:, end_of_line)
   Fail: (188) [system] char_type(:, end_of_line)
   Call: (188) [system] char_type(:, space)
   Fail: (188) [system] char_type(:, space)
   Call: (188) [system] char_type(:, cntrl)
   Fail: (188) [system] char_type(:, cntrl)
^  Fail: (187) [user] is_like_space(:)
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1549034)
   Exit: (186) [system] peek_char((0x563acd73bee0), :)
   Call: (186) [system] (:)=')'
   Fail: (186) [system] (:)=')'
   Call: (186) [system] (:)=end_of_file
   Fail: (186) [system] (:)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x563acd73bee0), _1554604)
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _1556462)
   Exit: (188) [system] peek_char((0x563acd73bee0), :)
   Call: (188) [system] (:)=(;)
   Fail: (188) [system] (:)=(;)
   Call: (188) [system] (:)=(/)
   Fail: (188) [system] (:)=(/)
^  Call: (188) [user] is_like_space(:)
   Call: (189) [system] char_type(:, 'white')
   Fail: (189) [system] char_type(:, 'white')
   Call: (189) [system] char_type(:, end_of_line)
   Fail: (189) [system] char_type(:, end_of_line)
   Call: (189) [system] char_type(:, space)
   Fail: (189) [system] char_type(:, space)
   Call: (189) [system] char_type(:, cntrl)
   Fail: (189) [system] char_type(:, cntrl)
^  Fail: (188) [user] is_like_space(:)
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] get_char((0x563acd73bee0), _1572472)
   Exit: (187) [system] get_char((0x563acd73bee0), :)
   Call: (187) [system] (:)='('
   Fail: (187) [system] (:)='('
   Call: (187) [system] (:)='['
   Fail: (187) [system] (:)='['
   Call: (187) [system] (:)='{'
   Fail: (187) [system] (:)='{'
   Call: (187) [system] (:)='"'
   Fail: (187) [system] (:)='"'
   Call: (187) [system] (:)=!
   Fail: (187) [system] (:)=!
   Call: (187) [system] (:)='\''
   Fail: (187) [system] (:)='\''
   Call: (187) [system] (:)='`'
   Fail: (187) [system] (:)='`'
   Call: (187) [system] (:)=end_of_file
   Fail: (187) [system] (:)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x563acd73bee0), :, _1554604)
^  Call: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), _1590114)
   Call: (189) [system] peek_char((0x563acd73bee0), _1591048)
   Exit: (189) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (189) [user] is_delimiter(' ')
   Call: (190) [system] char_type(' ', space)
   Exit: (190) [system] char_type(' ', space)
^  Exit: (189) [user] is_delimiter(' ')
   Call: (189) [system] _1590114=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (188) [user] classify_and_convert_charseq([:], _1554604)
^  Call: (189) [user] classify_and_convert_charseq_([:], _1600332)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_1601284, _1601286), once(user:catch(read_from_chars([:], _1600332), _1601266, fail)), '$restore_trace'(_1601284, _1601286))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_1601284, _1601286))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1601266, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(:)
   Exit: (190) [system] atomic(:)
^  Exit: (189) [user] classify_and_convert_charseq_([:], :)
   Call: (189) [system] integer(:)
   Fail: (189) [system] integer(:)
   Call: (189) [system] _1554604=(:)
   Exit: (189) [system] (:)=(:)
^  Exit: (188) [user] classify_and_convert_charseq([:], :)
^  Exit: (187) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (186) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (186) [user] read_list(')', (0x563acd73bee0), _1613412)
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _1615270)
   Exit: (188) [system] peek_char((0x563acd73bee0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x563acd73bee0), _1624864)
   Exit: (188) [system] get_char((0x563acd73bee0), ' ')
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1627568)
   Exit: (189) [system] peek_char((0x563acd73bee0), c)
   Call: (189) [system] c=(;)
   Fail: (189) [system] c=(;)
   Call: (189) [system] c=(/)
   Fail: (189) [system] c=(/)
^  Call: (189) [user] is_like_space(c)
   Call: (190) [system] char_type(c, 'white')
   Fail: (190) [system] char_type(c, 'white')
   Call: (190) [system] char_type(c, end_of_line)
   Fail: (190) [system] char_type(c, end_of_line)
   Call: (190) [system] char_type(c, space)
   Fail: (190) [system] char_type(c, space)
   Call: (190) [system] char_type(c, cntrl)
   Fail: (190) [system] char_type(c, cntrl)
^  Fail: (189) [user] is_like_space(c)
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _1644502)
   Exit: (187) [system] peek_char((0x563acd73bee0), c)
   Call: (187) [system] c=')'
   Fail: (187) [system] c=')'
   Call: (187) [system] c=end_of_file
   Fail: (187) [system] c=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x563acd73bee0), _1650072)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1651930)
   Exit: (189) [system] peek_char((0x563acd73bee0), c)
   Call: (189) [system] c=(;)
   Fail: (189) [system] c=(;)
   Call: (189) [system] c=(/)
   Fail: (189) [system] c=(/)
^  Call: (189) [user] is_like_space(c)
   Call: (190) [system] char_type(c, 'white')
   Fail: (190) [system] char_type(c, 'white')
   Call: (190) [system] char_type(c, end_of_line)
   Fail: (190) [system] char_type(c, end_of_line)
   Call: (190) [system] char_type(c, space)
   Fail: (190) [system] char_type(c, space)
   Call: (190) [system] char_type(c, cntrl)
   Fail: (190) [system] char_type(c, cntrl)
^  Fail: (189) [user] is_like_space(c)
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] get_char((0x563acd73bee0), _1667940)
   Exit: (188) [system] get_char((0x563acd73bee0), c)
   Call: (188) [system] c='('
   Fail: (188) [system] c='('
   Call: (188) [system] c='['
   Fail: (188) [system] c='['
   Call: (188) [system] c='{'
   Fail: (188) [system] c='{'
   Call: (188) [system] c='"'
   Fail: (188) [system] c='"'
   Call: (188) [system] c=!
   Fail: (188) [system] c=!
   Call: (188) [system] c='\''
   Fail: (188) [system] c='\''
   Call: (188) [system] c='`'
   Fail: (188) [system] c='`'
   Call: (188) [system] c=end_of_file
   Fail: (188) [system] c=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x563acd73bee0), c, _1650072)
^  Call: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), _1685582)
   Call: (190) [system] peek_char((0x563acd73bee0), _1686516)
   Exit: (190) [system] peek_char((0x563acd73bee0), d)
^  Call: (190) [user] is_delimiter(d)
   Call: (191) [system] char_type(d, space)
   Fail: (191) [system] char_type(d, space)
   Call: (191) [system] arg(_1691236, v('(', ')', end_of_file), d)
   Fail: (191) [system] arg(_1692168, v('(', ')', end_of_file), d)
^  Fail: (190) [user] is_delimiter(d)
   Call: (190) [system] ')'==d
   Fail: (190) [system] ')'==d
   Call: (190) [system] get_char((0x563acd73bee0), d)
   Exit: (190) [system] get_char((0x563acd73bee0), d)
   Call: (190) [system] d=(\)
   Fail: (190) [system] d=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), _1699518)
   Call: (191) [system] peek_char((0x563acd73bee0), _1700452)
   Exit: (191) [system] peek_char((0x563acd73bee0), e)
^  Call: (191) [user] is_delimiter(e)
   Call: (192) [system] char_type(e, space)
   Fail: (192) [system] char_type(e, space)
   Call: (192) [system] arg(_1705172, v('(', ')', end_of_file), e)
   Fail: (192) [system] arg(_1706104, v('(', ')', end_of_file), e)
^  Fail: (191) [user] is_delimiter(e)
   Call: (191) [system] ')'==e
   Fail: (191) [system] ')'==e
   Call: (191) [system] get_char((0x563acd73bee0), e)
   Exit: (191) [system] get_char((0x563acd73bee0), e)
   Call: (191) [system] e=(\)
   Fail: (191) [system] e=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), _1713454)
   Call: (192) [system] peek_char((0x563acd73bee0), _1714388)
   Exit: (192) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _1713454=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (191) [system] _1699518=[e]
   Exit: (191) [system] [e]=[e]
^  Exit: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), [e])
   Call: (190) [system] _1685582=[d, e]
   Exit: (190) [system] [d, e]=[d, e]
^  Exit: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, e])
^  Call: (189) [user] classify_and_convert_charseq([c, d, e], _1650072)
^  Call: (190) [user] classify_and_convert_charseq_([c, d, e], _1729260)
^  Call: (192) [system] setup_call_cleanup('$notrace'(_1730212, _1730214), once(user:catch(read_from_chars([c, d, e], _1729260), _1730194, fail)), '$restore_trace'(_1730212, _1730214))
^  Call: (193) [system] sig_atomic(system:'$notrace'(_1730212, _1730214))
^  Exit: (192) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1730194, fail)), system:'$restore_trace'(3, -1))
   Call: (191) [system] atomic(cde)
   Exit: (191) [system] atomic(cde)
^  Exit: (190) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (190) [system] integer(cde)
   Fail: (190) [system] integer(cde)
   Call: (190) [system] _1650072=cde
   Exit: (190) [system] cde=cde
^  Exit: (189) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (188) [user] read_symbolic(')', (0x563acd73bee0), c, cde)
^  Exit: (187) [user] cont_sexpr(')', (0x563acd73bee0), cde)
^  Call: (187) [user] read_list(')', (0x563acd73bee0), _1742340)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1744198)
   Exit: (189) [system] peek_char((0x563acd73bee0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x563acd73bee0), _1753792)
   Exit: (189) [system] get_char((0x563acd73bee0), ' ')
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1756496)
   Exit: (190) [system] peek_char((0x563acd73bee0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _1773430)
   Exit: (188) [system] peek_char((0x563acd73bee0), '(')
   Call: (188) [system] '('=')'
   Fail: (188) [system] '('=')'
   Call: (188) [system] '('=end_of_file
   Fail: (188) [system] '('=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x563acd73bee0), _1779000)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1780858)
   Exit: (190) [system] peek_char((0x563acd73bee0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] get_char((0x563acd73bee0), _1796868)
   Exit: (189) [system] get_char((0x563acd73bee0), '(')
   Call: (189) [system] '('='('
   Exit: (189) [system] '('='('
^  Call: (189) [user] read_list(')', (0x563acd73bee0), _1779000)
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _1802438)
   Exit: (191) [system] peek_char((0x563acd73bee0), 'I')
   Call: (191) [system] 'I'=(;)
   Fail: (191) [system] 'I'=(;)
   Call: (191) [system] 'I'=(/)
   Fail: (191) [system] 'I'=(/)
^  Call: (191) [user] is_like_space('I')
   Call: (192) [system] char_type('I', 'white')
   Fail: (192) [system] char_type('I', 'white')
   Call: (192) [system] char_type('I', end_of_line)
   Fail: (192) [system] char_type('I', end_of_line)
   Call: (192) [system] char_type('I', space)
   Fail: (192) [system] char_type('I', space)
   Call: (192) [system] char_type('I', cntrl)
   Fail: (192) [system] char_type('I', cntrl)
^  Fail: (191) [user] is_like_space('I')
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1818448)
   Exit: (190) [system] peek_char((0x563acd73bee0), 'I')
   Call: (190) [system] 'I'=')'
   Fail: (190) [system] 'I'=')'
   Call: (190) [system] 'I'=end_of_file
   Fail: (190) [system] 'I'=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x563acd73bee0), _1824018)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1825876)
   Exit: (192) [system] peek_char((0x563acd73bee0), 'I')
   Call: (192) [system] 'I'=(;)
   Fail: (192) [system] 'I'=(;)
   Call: (192) [system] 'I'=(/)
   Fail: (192) [system] 'I'=(/)
^  Call: (192) [user] is_like_space('I')
   Call: (193) [system] char_type('I', 'white')
   Fail: (193) [system] char_type('I', 'white')
   Call: (193) [system] char_type('I', end_of_line)
   Fail: (193) [system] char_type('I', end_of_line)
   Call: (193) [system] char_type('I', space)
   Fail: (193) [system] char_type('I', space)
   Call: (193) [system] char_type('I', cntrl)
   Fail: (193) [system] char_type('I', cntrl)
^  Fail: (192) [user] is_like_space('I')
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] get_char((0x563acd73bee0), _1841886)
   Exit: (191) [system] get_char((0x563acd73bee0), 'I')
   Call: (191) [system] 'I'='('
   Fail: (191) [system] 'I'='('
   Call: (191) [system] 'I'='['
   Fail: (191) [system] 'I'='['
   Call: (191) [system] 'I'='{'
   Fail: (191) [system] 'I'='{'
   Call: (191) [system] 'I'='"'
   Fail: (191) [system] 'I'='"'
   Call: (191) [system] 'I'=!
   Fail: (191) [system] 'I'=!
   Call: (191) [system] 'I'='\''
   Fail: (191) [system] 'I'='\''
   Call: (191) [system] 'I'='`'
   Fail: (191) [system] 'I'='`'
   Call: (191) [system] 'I'=end_of_file
   Fail: (191) [system] 'I'=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x563acd73bee0), 'I', _1824018)
^  Call: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), _1859528)
   Call: (193) [system] peek_char((0x563acd73bee0), _1860462)
   Exit: (193) [system] peek_char((0x563acd73bee0), m)
^  Call: (193) [user] is_delimiter(m)
   Call: (194) [system] char_type(m, space)
   Fail: (194) [system] char_type(m, space)
   Call: (194) [system] arg(_1865182, v('(', ')', end_of_file), m)
   Fail: (194) [system] arg(_1866114, v('(', ')', end_of_file), m)
^  Fail: (193) [user] is_delimiter(m)
   Call: (193) [system] ')'==m
   Fail: (193) [system] ')'==m
   Call: (193) [system] get_char((0x563acd73bee0), m)
   Exit: (193) [system] get_char((0x563acd73bee0), m)
   Call: (193) [system] m=(\)
   Fail: (193) [system] m=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _1873464)
   Call: (194) [system] peek_char((0x563acd73bee0), _1874398)
   Exit: (194) [system] peek_char((0x563acd73bee0), p)
^  Call: (194) [user] is_delimiter(p)
   Call: (195) [system] char_type(p, space)
   Fail: (195) [system] char_type(p, space)
   Call: (195) [system] arg(_1879118, v('(', ')', end_of_file), p)
   Fail: (195) [system] arg(_1880050, v('(', ')', end_of_file), p)
^  Fail: (194) [user] is_delimiter(p)
   Call: (194) [system] ')'==p
   Fail: (194) [system] ')'==p
   Call: (194) [system] get_char((0x563acd73bee0), p)
   Exit: (194) [system] get_char((0x563acd73bee0), p)
   Call: (194) [system] p=(\)
   Fail: (194) [system] p=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _1887400)
   Call: (195) [system] peek_char((0x563acd73bee0), _1888334)
   Exit: (195) [system] peek_char((0x563acd73bee0), l)
^  Call: (195) [user] is_delimiter(l)
   Call: (196) [system] char_type(l, space)
   Fail: (196) [system] char_type(l, space)
   Call: (196) [system] arg(_1893054, v('(', ')', end_of_file), l)
   Fail: (196) [system] arg(_1893986, v('(', ')', end_of_file), l)
^  Fail: (195) [user] is_delimiter(l)
   Call: (195) [system] ')'==l
   Fail: (195) [system] ')'==l
   Call: (195) [system] get_char((0x563acd73bee0), l)
   Exit: (195) [system] get_char((0x563acd73bee0), l)
   Call: (195) [system] l=(\)
   Fail: (195) [system] l=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _1901336)
   Call: (196) [system] peek_char((0x563acd73bee0), _1902270)
   Exit: (196) [system] peek_char((0x563acd73bee0), i)
^  Call: (196) [user] is_delimiter(i)
   Call: (197) [system] char_type(i, space)
   Fail: (197) [system] char_type(i, space)
   Call: (197) [system] arg(_1906990, v('(', ')', end_of_file), i)
   Fail: (197) [system] arg(_1907922, v('(', ')', end_of_file), i)
^  Fail: (196) [user] is_delimiter(i)
   Call: (196) [system] ')'==i
   Fail: (196) [system] ')'==i
   Call: (196) [system] get_char((0x563acd73bee0), i)
   Exit: (196) [system] get_char((0x563acd73bee0), i)
   Call: (196) [system] i=(\)
   Fail: (196) [system] i=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _1915272)
   Call: (197) [system] peek_char((0x563acd73bee0), _1916206)
   Exit: (197) [system] peek_char((0x563acd73bee0), c)
^  Call: (197) [user] is_delimiter(c)
   Call: (198) [system] char_type(c, space)
   Fail: (198) [system] char_type(c, space)
   Call: (198) [system] arg(_1920926, v('(', ')', end_of_file), c)
   Fail: (198) [system] arg(_1921858, v('(', ')', end_of_file), c)
^  Fail: (197) [user] is_delimiter(c)
   Call: (197) [system] ')'==c
   Fail: (197) [system] ')'==c
   Call: (197) [system] get_char((0x563acd73bee0), c)
   Exit: (197) [system] get_char((0x563acd73bee0), c)
   Call: (197) [system] c=(\)
   Fail: (197) [system] c=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _1929208)
   Call: (198) [system] peek_char((0x563acd73bee0), _1930142)
   Exit: (198) [system] peek_char((0x563acd73bee0), a)
^  Call: (198) [user] is_delimiter(a)
   Call: (199) [system] char_type(a, space)
   Fail: (199) [system] char_type(a, space)
   Call: (199) [system] arg(_1934862, v('(', ')', end_of_file), a)
   Fail: (199) [system] arg(_1935794, v('(', ')', end_of_file), a)
^  Fail: (198) [user] is_delimiter(a)
   Call: (198) [system] ')'==a
   Fail: (198) [system] ')'==a
   Call: (198) [system] get_char((0x563acd73bee0), a)
   Exit: (198) [system] get_char((0x563acd73bee0), a)
   Call: (198) [system] a=(\)
   Fail: (198) [system] a=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _1943144)
   Call: (199) [system] peek_char((0x563acd73bee0), _1944078)
   Exit: (199) [system] peek_char((0x563acd73bee0), t)
^  Call: (199) [user] is_delimiter(t)
   Call: (200) [system] char_type(t, space)
   Fail: (200) [system] char_type(t, space)
   Call: (200) [system] arg(_1948798, v('(', ')', end_of_file), t)
   Fail: (200) [system] arg(_1949730, v('(', ')', end_of_file), t)
^  Fail: (199) [user] is_delimiter(t)
   Call: (199) [system] ')'==t
   Fail: (199) [system] ')'==t
   Call: (199) [system] get_char((0x563acd73bee0), t)
   Exit: (199) [system] get_char((0x563acd73bee0), t)
   Call: (199) [system] t=(\)
   Fail: (199) [system] t=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _1957080)
   Call: (200) [system] peek_char((0x563acd73bee0), _1958014)
   Exit: (200) [system] peek_char((0x563acd73bee0), i)
^  Call: (200) [user] is_delimiter(i)
   Call: (201) [system] char_type(i, space)
   Fail: (201) [system] char_type(i, space)
   Call: (201) [system] arg(_1962734, v('(', ')', end_of_file), i)
   Fail: (201) [system] arg(_1963666, v('(', ')', end_of_file), i)
^  Fail: (200) [user] is_delimiter(i)
   Call: (200) [system] ')'==i
   Fail: (200) [system] ')'==i
   Call: (200) [system] get_char((0x563acd73bee0), i)
   Exit: (200) [system] get_char((0x563acd73bee0), i)
   Call: (200) [system] i=(\)
   Fail: (200) [system] i=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _1971016)
   Call: (201) [system] peek_char((0x563acd73bee0), _1971950)
   Exit: (201) [system] peek_char((0x563acd73bee0), o)
^  Call: (201) [user] is_delimiter(o)
   Call: (202) [system] char_type(o, space)
   Fail: (202) [system] char_type(o, space)
   Call: (202) [system] arg(_1976670, v('(', ')', end_of_file), o)
   Fail: (202) [system] arg(_1977602, v('(', ')', end_of_file), o)
^  Fail: (201) [user] is_delimiter(o)
   Call: (201) [system] ')'==o
   Fail: (201) [system] ')'==o
   Call: (201) [system] get_char((0x563acd73bee0), o)
   Exit: (201) [system] get_char((0x563acd73bee0), o)
   Call: (201) [system] o=(\)
   Fail: (201) [system] o=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _1984952)
   Call: (202) [system] peek_char((0x563acd73bee0), _1985886)
   Exit: (202) [system] peek_char((0x563acd73bee0), n)
^  Call: (202) [user] is_delimiter(n)
   Call: (203) [system] char_type(n, space)
   Fail: (203) [system] char_type(n, space)
   Call: (203) [system] arg(_1990606, v('(', ')', end_of_file), n)
   Fail: (203) [system] arg(_1991538, v('(', ')', end_of_file), n)
^  Fail: (202) [user] is_delimiter(n)
   Call: (202) [system] ')'==n
   Fail: (202) [system] ')'==n
   Call: (202) [system] get_char((0x563acd73bee0), n)
   Exit: (202) [system] get_char((0x563acd73bee0), n)
   Call: (202) [system] n=(\)
   Fail: (202) [system] n=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1998888)
   Call: (203) [system] peek_char((0x563acd73bee0), _1999822)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _1998888=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (202) [system] _1984952=[n]
   Exit: (202) [system] [n]=[n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (201) [system] _1971016=[o, n]
   Exit: (201) [system] [o, n]=[o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (200) [system] _1957080=[i, o, n]
   Exit: (200) [system] [i, o, n]=[i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (199) [system] _1943144=[t, i, o, n]
   Exit: (199) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (198) [system] _1929208=[a, t, i, o, n]
   Exit: (198) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (197) [system] _1915272=[c, a, t, i, o, n]
   Exit: (197) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (196) [system] _1901336=[i, c, a, t, i, o, n]
   Exit: (196) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (195) [system] _1887400=[l, i, c, a, t, i, o, n]
   Exit: (195) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (194) [system] _1873464=[p, l, i, c, a, t, i, o, n]
   Exit: (194) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (193) [system] _1859528=[m, p, l, i, c, a, t, i, o, n]
   Exit: (193) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (192) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1824018)
^  Call: (193) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _2037046)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_2037998, _2038000), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _2037046), _2037980, fail)), '$restore_trace'(_2037998, _2038000))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_2037998, _2038000))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _2037046), _2037980, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(_2037046)
   Fail: (194) [system] atomic(_2037046)
   Call: (194) [system] atom_chars(_2037046, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (194) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (193) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (193) [system] integer('Implication')
   Fail: (193) [system] integer('Implication')
   Call: (193) [system] _1824018='Implication'
   Exit: (193) [system] 'Implication'='Implication'
^  Exit: (192) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (191) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (190) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (190) [user] read_list(')', (0x563acd73bee0), _2051996)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _2053854)
   Exit: (192) [system] peek_char((0x563acd73bee0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x563acd73bee0), _2063448)
   Exit: (192) [system] get_char((0x563acd73bee0), ' ')
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _2066152)
   Exit: (193) [system] peek_char((0x563acd73bee0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _2083086)
   Exit: (191) [system] peek_char((0x563acd73bee0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x563acd73bee0), _2088656)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _2090514)
   Exit: (193) [system] peek_char((0x563acd73bee0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] get_char((0x563acd73bee0), _12902)
   Exit: (192) [system] get_char((0x563acd73bee0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _3408)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _18472)
   Exit: (194) [system] peek_char((0x563acd73bee0), 'O')
   Call: (194) [system] 'O'=(;)
   Fail: (194) [system] 'O'=(;)
   Call: (194) [system] 'O'=(/)
   Fail: (194) [system] 'O'=(/)
^  Call: (194) [user] is_like_space('O')
   Call: (195) [system] char_type('O', 'white')
   Fail: (195) [system] char_type('O', 'white')
   Call: (195) [system] char_type('O', end_of_line)
   Fail: (195) [system] char_type('O', end_of_line)
   Call: (195) [system] char_type('O', space)
   Fail: (195) [system] char_type('O', space)
   Call: (195) [system] char_type('O', cntrl)
   Fail: (195) [system] char_type('O', cntrl)
^  Fail: (194) [user] is_like_space('O')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _34482)
   Exit: (193) [system] peek_char((0x563acd73bee0), 'O')
   Call: (193) [system] 'O'=')'
   Fail: (193) [system] 'O'=')'
   Call: (193) [system] 'O'=end_of_file
   Fail: (193) [system] 'O'=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x563acd73bee0), _40052)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _41910)
   Exit: (195) [system] peek_char((0x563acd73bee0), 'O')
   Call: (195) [system] 'O'=(;)
   Fail: (195) [system] 'O'=(;)
   Call: (195) [system] 'O'=(/)
   Fail: (195) [system] 'O'=(/)
^  Call: (195) [user] is_like_space('O')
   Call: (196) [system] char_type('O', 'white')
   Fail: (196) [system] char_type('O', 'white')
   Call: (196) [system] char_type('O', end_of_line)
   Fail: (196) [system] char_type('O', end_of_line)
   Call: (196) [system] char_type('O', space)
   Fail: (196) [system] char_type('O', space)
   Call: (196) [system] char_type('O', cntrl)
   Fail: (196) [system] char_type('O', cntrl)
^  Fail: (195) [user] is_like_space('O')
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] get_char((0x563acd73bee0), _57920)
   Exit: (194) [system] get_char((0x563acd73bee0), 'O')
   Call: (194) [system] 'O'='('
   Fail: (194) [system] 'O'='('
   Call: (194) [system] 'O'='['
   Fail: (194) [system] 'O'='['
   Call: (194) [system] 'O'='{'
   Fail: (194) [system] 'O'='{'
   Call: (194) [system] 'O'='"'
   Fail: (194) [system] 'O'='"'
   Call: (194) [system] 'O'=!
   Fail: (194) [system] 'O'=!
   Call: (194) [system] 'O'='\''
   Fail: (194) [system] 'O'='\''
   Call: (194) [system] 'O'='`'
   Fail: (194) [system] 'O'='`'
   Call: (194) [system] 'O'=end_of_file
   Fail: (194) [system] 'O'=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x563acd73bee0), 'O', _40052)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _75562)
   Call: (196) [system] peek_char((0x563acd73bee0), _76496)
   Exit: (196) [system] peek_char((0x563acd73bee0), r)
^  Call: (196) [user] is_delimiter(r)
   Call: (197) [system] char_type(r, space)
   Fail: (197) [system] char_type(r, space)
   Call: (197) [system] arg(_81216, v('(', ')', end_of_file), r)
   Fail: (197) [system] arg(_82148, v('(', ')', end_of_file), r)
^  Fail: (196) [user] is_delimiter(r)
   Call: (196) [system] ')'==r
   Fail: (196) [system] ')'==r
   Call: (196) [system] get_char((0x563acd73bee0), r)
   Exit: (196) [system] get_char((0x563acd73bee0), r)
   Call: (196) [system] r=(\)
   Fail: (196) [system] r=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _89498)
   Call: (197) [system] peek_char((0x563acd73bee0), _90432)
   Exit: (197) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (197) [user] is_delimiter('L')
   Call: (198) [system] char_type('L', space)
   Fail: (198) [system] char_type('L', space)
   Call: (198) [system] arg(_95152, v('(', ')', end_of_file), 'L')
   Fail: (198) [system] arg(_96084, v('(', ')', end_of_file), 'L')
^  Fail: (197) [user] is_delimiter('L')
   Call: (197) [system] ')'=='L'
   Fail: (197) [system] ')'=='L'
   Call: (197) [system] get_char((0x563acd73bee0), 'L')
   Exit: (197) [system] get_char((0x563acd73bee0), 'L')
   Call: (197) [system] 'L'=(\)
   Fail: (197) [system] 'L'=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _103434)
   Call: (198) [system] peek_char((0x563acd73bee0), _104368)
   Exit: (198) [system] peek_char((0x563acd73bee0), i)
^  Call: (198) [user] is_delimiter(i)
   Call: (199) [system] char_type(i, space)
   Fail: (199) [system] char_type(i, space)
   Call: (199) [system] arg(_109088, v('(', ')', end_of_file), i)
   Fail: (199) [system] arg(_110020, v('(', ')', end_of_file), i)
^  Fail: (198) [user] is_delimiter(i)
   Call: (198) [system] ')'==i
   Fail: (198) [system] ')'==i
   Call: (198) [system] get_char((0x563acd73bee0), i)
   Exit: (198) [system] get_char((0x563acd73bee0), i)
   Call: (198) [system] i=(\)
   Fail: (198) [system] i=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _117370)
   Call: (199) [system] peek_char((0x563acd73bee0), _118304)
   Exit: (199) [system] peek_char((0x563acd73bee0), n)
^  Call: (199) [user] is_delimiter(n)
   Call: (200) [system] char_type(n, space)
   Fail: (200) [system] char_type(n, space)
   Call: (200) [system] arg(_123024, v('(', ')', end_of_file), n)
   Fail: (200) [system] arg(_123956, v('(', ')', end_of_file), n)
^  Fail: (199) [user] is_delimiter(n)
   Call: (199) [system] ')'==n
   Fail: (199) [system] ')'==n
   Call: (199) [system] get_char((0x563acd73bee0), n)
   Exit: (199) [system] get_char((0x563acd73bee0), n)
   Call: (199) [system] n=(\)
   Fail: (199) [system] n=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _131306)
   Call: (200) [system] peek_char((0x563acd73bee0), _132240)
   Exit: (200) [system] peek_char((0x563acd73bee0), k)
^  Call: (200) [user] is_delimiter(k)
   Call: (201) [system] char_type(k, space)
   Fail: (201) [system] char_type(k, space)
   Call: (201) [system] arg(_136960, v('(', ')', end_of_file), k)
   Fail: (201) [system] arg(_137892, v('(', ')', end_of_file), k)
^  Fail: (200) [user] is_delimiter(k)
   Call: (200) [system] ')'==k
   Fail: (200) [system] ')'==k
   Call: (200) [system] get_char((0x563acd73bee0), k)
   Exit: (200) [system] get_char((0x563acd73bee0), k)
   Call: (200) [system] k=(\)
   Fail: (200) [system] k=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _145242)
   Call: (201) [system] peek_char((0x563acd73bee0), _146176)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (201) [user] is_delimiter(' ')
   Call: (202) [system] char_type(' ', space)
   Exit: (202) [system] char_type(' ', space)
^  Exit: (201) [user] is_delimiter(' ')
   Call: (201) [system] _145242=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (200) [system] _131306=[k]
   Exit: (200) [system] [k]=[k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (199) [system] _117370=[n, k]
   Exit: (199) [system] [n, k]=[n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (198) [system] _103434=[i, n, k]
   Exit: (198) [system] [i, n, k]=[i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (197) [system] _89498=['L', i, n, k]
   Exit: (197) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (196) [system] _75562=[r, 'L', i, n, k]
   Exit: (196) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (195) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _40052)
^  Call: (196) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _169430)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_170382, _170384), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _169430), _170364, fail)), '$restore_trace'(_170382, _170384))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_170382, _170384))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _169430), _170364, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(_169430)
   Fail: (197) [system] atomic(_169430)
   Call: (197) [system] atom_chars(_169430, ['O', r, 'L', i, n, k])
   Exit: (197) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (196) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (196) [system] integer('OrLink')
   Fail: (196) [system] integer('OrLink')
   Call: (196) [system] _40052='OrLink'
   Exit: (196) [system] 'OrLink'='OrLink'
^  Exit: (195) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (194) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (193) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _184380)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _186238)
   Exit: (195) [system] peek_char((0x563acd73bee0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x563acd73bee0), _195832)
   Exit: (195) [system] get_char((0x563acd73bee0), ' ')
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _198536)
   Exit: (196) [system] peek_char((0x563acd73bee0), 'C')
   Call: (196) [system] 'C'=(;)
   Fail: (196) [system] 'C'=(;)
   Call: (196) [system] 'C'=(/)
   Fail: (196) [system] 'C'=(/)
^  Call: (196) [user] is_like_space('C')
   Call: (197) [system] char_type('C', 'white')
   Fail: (197) [system] char_type('C', 'white')
   Call: (197) [system] char_type('C', end_of_line)
   Fail: (197) [system] char_type('C', end_of_line)
   Call: (197) [system] char_type('C', space)
   Fail: (197) [system] char_type('C', space)
   Call: (197) [system] char_type('C', cntrl)
   Fail: (197) [system] char_type('C', cntrl)
^  Fail: (196) [user] is_like_space('C')
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _215470)
   Exit: (194) [system] peek_char((0x563acd73bee0), 'C')
   Call: (194) [system] 'C'=')'
   Fail: (194) [system] 'C'=')'
   Call: (194) [system] 'C'=end_of_file
   Fail: (194) [system] 'C'=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x563acd73bee0), _221040)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _222898)
   Exit: (196) [system] peek_char((0x563acd73bee0), 'C')
   Call: (196) [system] 'C'=(;)
   Fail: (196) [system] 'C'=(;)
   Call: (196) [system] 'C'=(/)
   Fail: (196) [system] 'C'=(/)
^  Call: (196) [user] is_like_space('C')
   Call: (197) [system] char_type('C', 'white')
   Fail: (197) [system] char_type('C', 'white')
   Call: (197) [system] char_type('C', end_of_line)
   Fail: (197) [system] char_type('C', end_of_line)
   Call: (197) [system] char_type('C', space)
   Fail: (197) [system] char_type('C', space)
   Call: (197) [system] char_type('C', cntrl)
   Fail: (197) [system] char_type('C', cntrl)
^  Fail: (196) [user] is_like_space('C')
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] get_char((0x563acd73bee0), _238908)
   Exit: (195) [system] get_char((0x563acd73bee0), 'C')
   Call: (195) [system] 'C'='('
   Fail: (195) [system] 'C'='('
   Call: (195) [system] 'C'='['
   Fail: (195) [system] 'C'='['
   Call: (195) [system] 'C'='{'
   Fail: (195) [system] 'C'='{'
   Call: (195) [system] 'C'='"'
   Fail: (195) [system] 'C'='"'
   Call: (195) [system] 'C'=!
   Fail: (195) [system] 'C'=!
   Call: (195) [system] 'C'='\''
   Fail: (195) [system] 'C'='\''
   Call: (195) [system] 'C'='`'
   Fail: (195) [system] 'C'='`'
   Call: (195) [system] 'C'=end_of_file
   Fail: (195) [system] 'C'=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x563acd73bee0), 'C', _221040)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _256550)
   Call: (197) [system] peek_char((0x563acd73bee0), _257484)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _256550=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (196) [user] classify_and_convert_charseq(['C'], _221040)
^  Call: (197) [user] classify_and_convert_charseq_(['C'], _266768)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_267720, _267722), once(user:catch(read_from_chars(['C'], _266768), _267702, fail)), '$restore_trace'(_267720, _267722))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_267720, _267722))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _266768), _267702, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(_266768)
   Fail: (198) [system] atomic(_266768)
   Call: (198) [system] atom_chars(_266768, ['C'])
   Exit: (198) [system] atom_chars('C', ['C'])
^  Exit: (197) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (197) [system] integer('C')
   Fail: (197) [system] integer('C')
   Call: (197) [system] _221040='C'
   Exit: (197) [system] 'C'='C'
^  Exit: (196) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (195) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (194) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _281718)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _283576)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x563acd73bee0), _293170)
   Exit: (196) [system] get_char((0x563acd73bee0), ' ')
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _295874)
   Exit: (197) [system] peek_char((0x563acd73bee0), 'D')
   Call: (197) [system] 'D'=(;)
   Fail: (197) [system] 'D'=(;)
   Call: (197) [system] 'D'=(/)
   Fail: (197) [system] 'D'=(/)
^  Call: (197) [user] is_like_space('D')
   Call: (198) [system] char_type('D', 'white')
   Fail: (198) [system] char_type('D', 'white')
   Call: (198) [system] char_type('D', end_of_line)
   Fail: (198) [system] char_type('D', end_of_line)
   Call: (198) [system] char_type('D', space)
   Fail: (198) [system] char_type('D', space)
   Call: (198) [system] char_type('D', cntrl)
   Fail: (198) [system] char_type('D', cntrl)
^  Fail: (197) [user] is_like_space('D')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _312808)
   Exit: (195) [system] peek_char((0x563acd73bee0), 'D')
   Call: (195) [system] 'D'=')'
   Fail: (195) [system] 'D'=')'
   Call: (195) [system] 'D'=end_of_file
   Fail: (195) [system] 'D'=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x563acd73bee0), _318378)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _320236)
   Exit: (197) [system] peek_char((0x563acd73bee0), 'D')
   Call: (197) [system] 'D'=(;)
   Fail: (197) [system] 'D'=(;)
   Call: (197) [system] 'D'=(/)
   Fail: (197) [system] 'D'=(/)
^  Call: (197) [user] is_like_space('D')
   Call: (198) [system] char_type('D', 'white')
   Fail: (198) [system] char_type('D', 'white')
   Call: (198) [system] char_type('D', end_of_line)
   Fail: (198) [system] char_type('D', end_of_line)
   Call: (198) [system] char_type('D', space)
   Fail: (198) [system] char_type('D', space)
   Call: (198) [system] char_type('D', cntrl)
   Fail: (198) [system] char_type('D', cntrl)
^  Fail: (197) [user] is_like_space('D')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] get_char((0x563acd73bee0), _336246)
   Exit: (196) [system] get_char((0x563acd73bee0), 'D')
   Call: (196) [system] 'D'='('
   Fail: (196) [system] 'D'='('
   Call: (196) [system] 'D'='['
   Fail: (196) [system] 'D'='['
   Call: (196) [system] 'D'='{'
   Fail: (196) [system] 'D'='{'
   Call: (196) [system] 'D'='"'
   Fail: (196) [system] 'D'='"'
   Call: (196) [system] 'D'=!
   Fail: (196) [system] 'D'=!
   Call: (196) [system] 'D'='\''
   Fail: (196) [system] 'D'='\''
   Call: (196) [system] 'D'='`'
   Fail: (196) [system] 'D'='`'
   Call: (196) [system] 'D'=end_of_file
   Fail: (196) [system] 'D'=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x563acd73bee0), 'D', _318378)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _353888)
   Call: (198) [system] peek_char((0x563acd73bee0), _354822)
   Exit: (198) [system] peek_char((0x563acd73bee0), ')')
^  Call: (198) [user] is_delimiter(')')
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] arg(_359542, v('(', ')', end_of_file), ')')
   Exit: (199) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (198) [user] is_delimiter(')')
   Call: (198) [system] _353888=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (197) [user] classify_and_convert_charseq(['D'], _318378)
^  Call: (198) [user] classify_and_convert_charseq_(['D'], _365978)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_366930, _366932), once(user:catch(read_from_chars(['D'], _365978), _366912, fail)), '$restore_trace'(_366930, _366932))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_366930, _366932))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _365978), _366912, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(_365978)
   Fail: (199) [system] atomic(_365978)
   Call: (199) [system] atom_chars(_365978, ['D'])
   Exit: (199) [system] atom_chars('D', ['D'])
^  Exit: (198) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (198) [system] integer('D')
   Fail: (198) [system] integer('D')
   Call: (198) [system] _318378='D'
   Exit: (198) [system] 'D'='D'
^  Exit: (197) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (196) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'D')
^  Exit: (195) [user] cont_sexpr(')', (0x563acd73bee0), 'D')
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _380928)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _382786)
   Exit: (197) [system] peek_char((0x563acd73bee0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _398796)
   Exit: (196) [system] peek_char((0x563acd73bee0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x563acd73bee0), _402586)
   Exit: (196) [system] get_char((0x563acd73bee0), ')')
   Call: (196) [system] _380928=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), [])
   Call: (195) [system] _281718=['D']
   Exit: (195) [system] ['D']=['D']
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), ['D'])
   Call: (194) [system] _184380=['C', 'D']
   Exit: (194) [system] ['C', 'D']=['C', 'D']
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), ['C', 'D'])
   Call: (193) [system] _3408=['OrLink', 'C', 'D']
   Exit: (193) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), ['OrLink', 'C', 'D'])
^  Exit: (191) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', 'C', 'D'])
^  Call: (191) [user] read_list(')', (0x563acd73bee0), _416468)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _418326)
   Exit: (193) [system] peek_char((0x563acd73bee0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x563acd73bee0), _427920)
   Exit: (193) [system] get_char((0x563acd73bee0), ' ')
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _430624)
   Exit: (194) [system] peek_char((0x563acd73bee0), 'E')
   Call: (194) [system] 'E'=(;)
   Fail: (194) [system] 'E'=(;)
   Call: (194) [system] 'E'=(/)
   Fail: (194) [system] 'E'=(/)
^  Call: (194) [user] is_like_space('E')
   Call: (195) [system] char_type('E', 'white')
   Fail: (195) [system] char_type('E', 'white')
   Call: (195) [system] char_type('E', end_of_line)
   Fail: (195) [system] char_type('E', end_of_line)
   Call: (195) [system] char_type('E', space)
   Fail: (195) [system] char_type('E', space)
   Call: (195) [system] char_type('E', cntrl)
   Fail: (195) [system] char_type('E', cntrl)
^  Fail: (194) [user] is_like_space('E')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _447558)
   Exit: (192) [system] peek_char((0x563acd73bee0), 'E')
   Call: (192) [system] 'E'=')'
   Fail: (192) [system] 'E'=')'
   Call: (192) [system] 'E'=end_of_file
   Fail: (192) [system] 'E'=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x563acd73bee0), _453128)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _454986)
   Exit: (194) [system] peek_char((0x563acd73bee0), 'E')
   Call: (194) [system] 'E'=(;)
   Fail: (194) [system] 'E'=(;)
   Call: (194) [system] 'E'=(/)
   Fail: (194) [system] 'E'=(/)
^  Call: (194) [user] is_like_space('E')
   Call: (195) [system] char_type('E', 'white')
   Fail: (195) [system] char_type('E', 'white')
   Call: (195) [system] char_type('E', end_of_line)
   Fail: (195) [system] char_type('E', end_of_line)
   Call: (195) [system] char_type('E', space)
   Fail: (195) [system] char_type('E', space)
   Call: (195) [system] char_type('E', cntrl)
   Fail: (195) [system] char_type('E', cntrl)
^  Fail: (194) [user] is_like_space('E')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] get_char((0x563acd73bee0), _470996)
   Exit: (193) [system] get_char((0x563acd73bee0), 'E')
   Call: (193) [system] 'E'='('
   Fail: (193) [system] 'E'='('
   Call: (193) [system] 'E'='['
   Fail: (193) [system] 'E'='['
   Call: (193) [system] 'E'='{'
   Fail: (193) [system] 'E'='{'
   Call: (193) [system] 'E'='"'
   Fail: (193) [system] 'E'='"'
   Call: (193) [system] 'E'=!
   Fail: (193) [system] 'E'=!
   Call: (193) [system] 'E'='\''
   Fail: (193) [system] 'E'='\''
   Call: (193) [system] 'E'='`'
   Fail: (193) [system] 'E'='`'
   Call: (193) [system] 'E'=end_of_file
   Fail: (193) [system] 'E'=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x563acd73bee0), 'E', _453128)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _488638)
   Call: (195) [system] peek_char((0x563acd73bee0), _489572)
   Exit: (195) [system] peek_char((0x563acd73bee0), ')')
^  Call: (195) [user] is_delimiter(')')
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] arg(_494292, v('(', ')', end_of_file), ')')
   Exit: (196) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (195) [user] is_delimiter(')')
   Call: (195) [system] _488638=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (194) [user] classify_and_convert_charseq(['E'], _453128)
^  Call: (195) [user] classify_and_convert_charseq_(['E'], _500728)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_501680, _501682), once(user:catch(read_from_chars(['E'], _500728), _501662, fail)), '$restore_trace'(_501680, _501682))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_501680, _501682))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _500728), _501662, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(_500728)
   Fail: (196) [system] atomic(_500728)
   Call: (196) [system] atom_chars(_500728, ['E'])
   Exit: (196) [system] atom_chars('E', ['E'])
^  Exit: (195) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (195) [system] integer('E')
   Fail: (195) [system] integer('E')
   Call: (195) [system] _453128='E'
   Exit: (195) [system] 'E'='E'
^  Exit: (194) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (193) [user] read_symbolic(')', (0x563acd73bee0), 'E', 'E')
^  Exit: (192) [user] cont_sexpr(')', (0x563acd73bee0), 'E')
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _515678)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _517536)
   Exit: (194) [system] peek_char((0x563acd73bee0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
   Call: (194) [system] ')'=(/)
   Fail: (194) [system] ')'=(/)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _533546)
   Exit: (193) [system] peek_char((0x563acd73bee0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x563acd73bee0), _537336)
   Exit: (193) [system] get_char((0x563acd73bee0), ')')
   Call: (193) [system] _515678=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), [])
   Call: (192) [system] _416468=['E']
   Exit: (192) [system] ['E']=['E']
^  Exit: (191) [user] read_list(')', (0x563acd73bee0), ['E'])
   Call: (191) [system] _3404=[['OrLink', 'C', 'D'], 'E']
   Exit: (191) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (190) [user] read_list(')', (0x563acd73bee0), [['OrLink', 'C', 'D'], 'E'])
   Call: (190) [system] _3396=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (190) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (189) [user] read_list(')', (0x563acd73bee0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (188) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (188) [user] read_list(')', (0x563acd73bee0), _551218)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _553076)
   Exit: (190) [system] peek_char((0x563acd73bee0), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
   Call: (190) [system] ')'=(/)
   Fail: (190) [system] ')'=(/)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _569086)
   Exit: (189) [system] peek_char((0x563acd73bee0), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x563acd73bee0), _572876)
   Exit: (189) [system] get_char((0x563acd73bee0), ')')
   Call: (189) [system] _551218=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x563acd73bee0), [])
   Call: (188) [system] _3392=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (188) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (187) [user] read_list(')', (0x563acd73bee0), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (187) [system] _3386=[cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (187) [system] [cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]=[cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (186) [user] read_list(')', (0x563acd73bee0), [cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (186) [system] _3378=[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (186) [system] [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]=[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (185) [user] read_list(')', (0x563acd73bee0), [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (184) [user] cont_sexpr(')', (0x563acd73bee0), [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (184) [user] read_list(')', (0x563acd73bee0), _586758)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _588616)
   Exit: (186) [system] peek_char((0x563acd73bee0), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
   Call: (186) [system] ')'=(/)
   Fail: (186) [system] ')'=(/)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _604626)
   Exit: (185) [system] peek_char((0x563acd73bee0), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x563acd73bee0), _608416)
   Exit: (185) [system] get_char((0x563acd73bee0), ')')
   Call: (185) [system] _586758=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x563acd73bee0), [])
   Call: (184) [system] _3374=[[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (184) [system] [[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (183) [user] read_list(')', (0x563acd73bee0), [[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (183) [system] _3362=[[kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (183) [system] [[kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[[kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (182) [user] read_list(')', (0x563acd73bee0), [[kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (182) [system] _3322=[=, [kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (182) [system] [=, [kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[=, [kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (181) [user] read_list(')', (0x563acd73bee0), [=, [kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (180) [user] cont_sexpr(')', (0x563acd73bee0), [=, [kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (179) [user] read_sexpr((0x563acd73bee0), [=, [kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (179) [user] assertz(metta_file_comment(98, 0, 4064, [=, [kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]], '$stream_position'(4064, 98, 0, 4064)))
^  Exit: (179) [user] assertz(metta_file_comment(98, 0, 4064, [=, [kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]], '$stream_position'(4064, 98, 0, 4064)))
^  Exit: (177) [system] once(user:(read_position((0x563acd73bee0), 98, 0, 4064, '$stream_position'(4064, 98, 0, 4064)), read_sexpr((0x563acd73bee0), [=, [kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]), assertz(metta_file_comment(98, 0, 4064, [=, [kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]], '$stream_position'(4064, 98, 0, 4064)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_626934, _626936, _626938, _626940, _626942))
^  Exit: (177) [user] retract(metta_file_comment(48, 0, 1542, '$COMMENT'(";; tuples.", 48, 0), '$stream_position'(1542, 48, 0, 1542)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; tuples.", 48, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";; tuples.", 48, 0), _629768))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";; tuples.", 48, 0), _629768)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";; tuples.", 48, 0), _629768)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";; tuples.", 48, 0), _632584))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";; tuples.", 48, 0), _632584))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";; tuples.", 48, 0), _632584)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";; tuples.", 48, 0), _635384))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";; tuples.", 48, 0), _635384)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";; tuples.", 48, 0), _635384)
   Call: (187) [system] var('$COMMENT'(";; tuples.", 48, 0))
   Call: (187) [system] atom('$COMMENT'(";; tuples.", 48, 0))
   Call: (187) [system] '$COMMENT'(";; tuples.", 48, 0)==true
   Call: (187) [system] '$COMMENT'(";; tuples.", 48, 0)==false
   Call: (187) [system] '$COMMENT'(";; tuples.", 48, 0)==[_641904, _641910]
   Call: (187) [system] is_list('$COMMENT'(";; tuples.", 48, 0))
   Call: (187) [system] string('$COMMENT'(";; tuples.", 48, 0))
   Call: (187) [system] compound('$COMMENT'(";; tuples.", 48, 0))
   Exit: (187) [system] compound('$COMMENT'(";; tuples.", 48, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";; tuples.", 48, 0), _646538, _646540)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; tuples.", 48, 0), '$COMMENT', [";; tuples.", 48, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";; tuples.", 48, 0], _650280)
   Call: (188) [apply] apply:maplist_([";; tuples.", 48, 0], _650280, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";; tuples.", _652160)
   Call: (190) [system] var(";; tuples.")
   Call: (190) [system] atom(";; tuples.")
   Call: (190) [system] ";; tuples."==true
   Call: (190) [system] ";; tuples."==false
   Call: (190) [system] ";; tuples."==[_656802, _656808]
   Call: (190) [system] is_list(";; tuples.")
   Call: (190) [system] string(";; tuples.")
   Exit: (190) [system] string(";; tuples.")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";; tuples.")
^  Call: (190) [user] symbol(";; tuples.")
   Call: (191) [system] atom(";; tuples.")
   Fail: (191) [system] atom(";; tuples.")
^  Fail: (190) [user] symbol(";; tuples.")
   Call: (190) [system] ";; tuples."=_652160
   Exit: (190) [system] ";; tuples."=";; tuples."
^  Exit: (189) [user] mfix_vars1(";; tuples.", ";; tuples.")
   Call: (189) [apply] apply:maplist_([48, 0], _652162, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(48, _670682)
   Call: (191) [system] var(48)
   Call: (191) [system] atom(48)
   Call: (191) [system] 48==true
   Call: (191) [system] 48==false
   Call: (191) [system] 48==[_675324, _675330]
   Call: (191) [system] is_list(48)
   Call: (191) [system] string(48)
   Call: (191) [system] compound(48)
^  Call: (191) [user] symbol(48)
   Call: (192) [system] atom(48)
   Fail: (192) [system] atom(48)
^  Fail: (191) [user] symbol(48)
   Call: (191) [system] 48=_670682
   Exit: (191) [system] 48=48
^  Exit: (190) [user] mfix_vars1(48, 48)
   Call: (190) [apply] apply:maplist_([0], _670684, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _686448)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_691090, _691096]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_686448
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _686450, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([48, 0], [48, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";; tuples.", 48, 0], [";; tuples.", 48, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";; tuples.", 48, 0], [";; tuples.", 48, 0])
   Call: (187) [system] compound_name_arguments(_635384, '$COMMENT', [";; tuples.", 48, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; tuples.", 48, 0), '$COMMENT', [";; tuples.", 48, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0)))
   Call: (184) [system] '$COMMENT'(";; tuples.", 48, 0)\=@='$COMMENT'(";; tuples.", 48, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";; tuples.", 48, 0), _715266))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";; tuples.", 48, 0), _715266))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";; tuples.", 48, 0), _715266)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";; tuples.", 48, 0), _718066))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";; tuples.", 48, 0), _718066)
^  Call: (186) [user] cons_to_c('$COMMENT'(";; tuples.", 48, 0), _718066)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0)))
   Call: (184) [system] '$COMMENT'(";; tuples.", 48, 0)\=@='$COMMENT'(";; tuples.", 48, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";; tuples.", 48, 0), _629768))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";; tuples.", 48, 0), _629768))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";; tuples.", 48, 0), _629768)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";; tuples.", 48, 0), _732024))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";; tuples.", 48, 0), _732024)
^  Call: (186) [user] cons_to_l('$COMMENT'(";; tuples.", 48, 0), _732024)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0)))
   Call: (184) [system] '$COMMENT'(";; tuples.", 48, 0)\=@='$COMMENT'(";; tuples.", 48, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0)))
   Call: (178) [system] '$COMMENT'(";; tuples.", 48, 0)\=@='$COMMENT'(";; tuples.", 48, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";; tuples.", 48, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";; tuples.", 48, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";; tuples.", 48, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";; tuples.", 48, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";; tuples.", 48, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";; tuples.", 48, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";; tuples.", 48, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";; tuples.", 48, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";; tuples.", 48, 0))
^  Exit: (171) [user] read_sform((0x563acd73bee0), '$COMMENT'(";; tuples.", 48, 0))
^  Exit: (170) [system] once(user:read_sform((0x563acd73bee0), '$COMMENT'(";; tuples.", 48, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x563acd73bee0), '$COMMENT'(";; tuples.", 48, 0)))
   Call: (169) [system] '$COMMENT'(";; tuples.", 48, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";; tuples.", 48, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1727204596.0891678), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204596.0891678), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; tuples.", 48, 0)), 97]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";; tuples.", 48, 0), ynthesize_long_1727204587_629323, 97)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1727204596.0891678), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204596.0891678), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; tuples.", 48, 0)), 97]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1727204596.520829)
   Call: (173) [system] arg(1, t(1727204596.0891678), _3148)
   Exit: (173) [system] arg(1, t(1727204596.0891678), 1727204596.0891678)
   Call: (173) [system] _3158 is 1727204596.520829-1727204596.0891678
   Exit: (173) [system] 0.43166112899780273 is 1727204596.520829-1727204596.0891678
   Call: (173) [system] 0.43166112899780273>4
   Fail: (173) [system] 0.43166112899780273>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1727204596.0891678), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204596.0891678), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; tuples.", 48, 0)), 97]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 14)
   Call: (175) [system] atom(14+1)
   Call: (175) [system] set_flag(translated_forms, 15)
   Exit: (175) [system] set_flag(translated_forms, 15)
   Exit: (174) [$syspreds] update_flag(translated_forms, 14, 14+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 14, 14+1))
   Exit: (171) [$syspreds] flag(translated_forms, 14, 14+1)
^  Call: (171) [user] write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";; tuples.", 48, 0), ynthesize_long_1727204587_629323, 97)
^  Call: (172) [user] format((0x563acd7397e0), "/* ~w */~n", [";; tuples."])
^  Exit: (172) [user] format((0x563acd7397e0), "/* ~w */~n", [";; tuples."])
^  Exit: (171) [user] write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";; tuples.", 48, 0), ynthesize_long_1727204587_629323, 97)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1727204596.0891678), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204596.0891678), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; tuples.", 48, 0)), 97]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 14, 14+1), write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";; tuples.", 48, 0), ynthesize_long_1727204587_629323, 97)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x563acd73bee0))
   Fail: (169) [system] at_end_of_stream((0x563acd73bee0))
^  Call: (169) [user] must_det_ll(line_count((0x563acd73bee0), _3074))
^  Call: (170) [user] once(user:line_count((0x563acd73bee0), _3074))
   Call: (171) [system] line_count((0x563acd73bee0), _3074)
   Exit: (171) [system] line_count((0x563acd73bee0), 98)
^  Exit: (170) [system] once(user:line_count((0x563acd73bee0), 98))
^  Exit: (169) [user] must_det_ll(user:line_count((0x563acd73bee0), 98))
^  Call: (169) [user] must_det_ll(read_sform((0x563acd73bee0), _3084))
^  Call: (170) [user] once(user:read_sform((0x563acd73bee0), _3084))
^  Call: (171) [user] read_sform((0x563acd73bee0), _3084)
   Call: (172) [system] string((0x563acd73bee0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
   Call: (173) [system] string((0x563acd73bee0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), _3084)
   Call: (174) [system] at_end_of_stream((0x563acd73bee0))
   Call: (174) [system] peek_char((0x563acd73bee0), _806808)
   Exit: (174) [system] peek_char((0x563acd73bee0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x563acd73bee0), '\n')
   Exit: (174) [system] get_char((0x563acd73bee0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x563acd73bee0), _3084)
   Call: (175) [system] at_end_of_stream((0x563acd73bee0))
   Call: (175) [system] peek_char((0x563acd73bee0), _814230)
   Exit: (175) [system] peek_char((0x563acd73bee0), '\n')
   Call: (175) [system] char_type('\n', space)
   Exit: (175) [system] char_type('\n', space)
   Call: (175) [system] get_char((0x563acd73bee0), '\n')
   Exit: (175) [system] get_char((0x563acd73bee0), '\n')
^  Call: (175) [user] parse_sexpr_metta_IO((0x563acd73bee0), _3084)
   Call: (176) [system] at_end_of_stream((0x563acd73bee0))
   Call: (176) [system] peek_char((0x563acd73bee0), _821652)
   Exit: (176) [system] peek_char((0x563acd73bee0), !)
   Call: (176) [system] char_type(!, space)
^  Call: (176) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
   Call: (177) [system] string((0x563acd73bee0))
^  Exit: (176) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
^  Call: (176) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), _3084)
^  Call: (177) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), _3084)
   Call: (178) [system] at_end_of_stream((0x563acd73bee0))
   Call: (178) [system] peek_char((0x563acd73bee0), _829990)
   Exit: (178) [system] peek_char((0x563acd73bee0), !)
   Call: (178) [system] char_type(!, space)
   Call: (178) [system] _832776=(0x563acd73bee0)
   Exit: (178) [system] (0x563acd73bee0)=(0x563acd73bee0)
^  Call: (178) [user] once((read_position((0x563acd73bee0), _834644, _834646, _834648, _834650), read_sexpr((0x563acd73bee0), _834662), assertz(metta_file_comment(_834644, _834646, _834648, _834662, _834650))))
^  Call: (180) [user] read_position((0x563acd73bee0), _834644, _834646, _834648, _834650)
   Call: (181) [system] stream_property((0x563acd73bee0), position(_834650))
   Call: (182) [system] nonvar((0x563acd73bee0))
   Exit: (182) [system] nonvar((0x563acd73bee0))
   Call: (182) [system] nonvar(position(_834650))
   Exit: (182) [system] nonvar(position(_834650))
   Exit: (181) [system] stream_property((0x563acd73bee0), position('$stream_position'(4111, 100, 0, 4111)))
   Call: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(4111, 100, 0, 4111), _834644)
   Call: (182) [system] nonvar(line_count)
   Exit: (182) [system] nonvar(line_count)
   Call: (182) [$syspreds] stream_position_field(line_count, _844902)
   Exit: (182) [$syspreds] stream_position_field(line_count, 2)
   Call: (182) [system] arg(2, '$stream_position'(4111, 100, 0, 4111), _834644)
   Exit: (182) [system] arg(2, '$stream_position'(4111, 100, 0, 4111), 100)
   Exit: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(4111, 100, 0, 4111), 100)
   Call: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(4111, 100, 0, 4111), _834646)
   Call: (182) [system] nonvar(line_position)
   Exit: (182) [system] nonvar(line_position)
   Call: (182) [$syspreds] stream_position_field(line_position, _852336)
   Exit: (182) [$syspreds] stream_position_field(line_position, 3)
   Call: (182) [system] arg(3, '$stream_position'(4111, 100, 0, 4111), _834646)
   Exit: (182) [system] arg(3, '$stream_position'(4111, 100, 0, 4111), 0)
   Exit: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(4111, 100, 0, 4111), 0)
   Call: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(4111, 100, 0, 4111), _834648)
   Call: (182) [system] nonvar(char_count)
   Exit: (182) [system] nonvar(char_count)
   Call: (182) [$syspreds] stream_position_field(char_count, _859770)
   Exit: (182) [$syspreds] stream_position_field(char_count, 1)
   Call: (182) [system] arg(1, '$stream_position'(4111, 100, 0, 4111), _834648)
   Exit: (182) [system] arg(1, '$stream_position'(4111, 100, 0, 4111), 4111)
   Exit: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(4111, 100, 0, 4111), 4111)
^  Exit: (180) [user] read_position((0x563acd73bee0), 100, 0, 4111, '$stream_position'(4111, 100, 0, 4111))
^  Call: (180) [user] read_sexpr((0x563acd73bee0), _834662)
   Call: (181) [system] string((0x563acd73bee0))
   Fail: (181) [system] string((0x563acd73bee0))
^  Call: (181) [user] cont_sexpr(')', (0x563acd73bee0), _834662)
^  Call: (182) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] peek_char((0x563acd73bee0), _869996)
   Exit: (183) [system] peek_char((0x563acd73bee0), !)
   Call: (183) [system] !=(;)
   Fail: (183) [system] !=(;)
   Call: (183) [system] !=(/)
   Fail: (183) [system] !=(/)
^  Call: (183) [user] is_like_space(!)
   Call: (184) [system] char_type(!, 'white')
   Fail: (184) [system] char_type(!, 'white')
   Call: (184) [system] char_type(!, end_of_line)
   Fail: (184) [system] char_type(!, end_of_line)
   Call: (184) [system] char_type(!, space)
   Fail: (184) [system] char_type(!, space)
   Call: (184) [system] char_type(!, cntrl)
   Fail: (184) [system] char_type(!, cntrl)
^  Fail: (183) [user] is_like_space(!)
^  Exit: (182) [user] skip_spaces((0x563acd73bee0))
   Call: (182) [system] get_char((0x563acd73bee0), _886006)
   Exit: (182) [system] get_char((0x563acd73bee0), !)
   Call: (182) [system] !='('
   Fail: (182) [system] !='('
   Call: (182) [system] !='['
   Fail: (182) [system] !='['
   Call: (182) [system] !='{'
   Fail: (182) [system] !='{'
   Call: (182) [system] !='"'
   Fail: (182) [system] !='"'
   Call: (182) [system] !=!
   Exit: (182) [system] !=!
^  Call: (182) [user] read_sexpr((0x563acd73bee0), _897144)
   Call: (183) [system] string((0x563acd73bee0))
   Fail: (183) [system] string((0x563acd73bee0))
^  Call: (183) [user] cont_sexpr(')', (0x563acd73bee0), _897144)
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _901778)
   Exit: (185) [system] peek_char((0x563acd73bee0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] get_char((0x563acd73bee0), _917788)
   Exit: (184) [system] get_char((0x563acd73bee0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x563acd73bee0), _897144)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _923358)
   Exit: (186) [system] peek_char((0x563acd73bee0), a)
   Call: (186) [system] a=(;)
   Fail: (186) [system] a=(;)
   Call: (186) [system] a=(/)
   Fail: (186) [system] a=(/)
^  Call: (186) [user] is_like_space(a)
   Call: (187) [system] char_type(a, 'white')
   Fail: (187) [system] char_type(a, 'white')
   Call: (187) [system] char_type(a, end_of_line)
   Fail: (187) [system] char_type(a, end_of_line)
   Call: (187) [system] char_type(a, space)
   Fail: (187) [system] char_type(a, space)
   Call: (187) [system] char_type(a, cntrl)
   Fail: (187) [system] char_type(a, cntrl)
^  Fail: (186) [user] is_like_space(a)
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _939368)
   Exit: (185) [system] peek_char((0x563acd73bee0), a)
   Call: (185) [system] a=')'
   Fail: (185) [system] a=')'
   Call: (185) [system] a=end_of_file
   Fail: (185) [system] a=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x563acd73bee0), _944938)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _946796)
   Exit: (187) [system] peek_char((0x563acd73bee0), a)
   Call: (187) [system] a=(;)
   Fail: (187) [system] a=(;)
   Call: (187) [system] a=(/)
   Fail: (187) [system] a=(/)
^  Call: (187) [user] is_like_space(a)
   Call: (188) [system] char_type(a, 'white')
   Fail: (188) [system] char_type(a, 'white')
   Call: (188) [system] char_type(a, end_of_line)
   Fail: (188) [system] char_type(a, end_of_line)
   Call: (188) [system] char_type(a, space)
   Fail: (188) [system] char_type(a, space)
   Call: (188) [system] char_type(a, cntrl)
   Fail: (188) [system] char_type(a, cntrl)
^  Fail: (187) [user] is_like_space(a)
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] get_char((0x563acd73bee0), _962806)
   Exit: (186) [system] get_char((0x563acd73bee0), a)
   Call: (186) [system] a='('
   Fail: (186) [system] a='('
   Call: (186) [system] a='['
   Fail: (186) [system] a='['
   Call: (186) [system] a='{'
   Fail: (186) [system] a='{'
   Call: (186) [system] a='"'
   Fail: (186) [system] a='"'
   Call: (186) [system] a=!
   Fail: (186) [system] a=!
   Call: (186) [system] a='\''
   Fail: (186) [system] a='\''
   Call: (186) [system] a='`'
   Fail: (186) [system] a='`'
   Call: (186) [system] a=end_of_file
   Fail: (186) [system] a=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x563acd73bee0), a, _944938)
^  Call: (187) [user] read_symbolic_cont(')', (0x563acd73bee0), _980448)
   Call: (188) [system] peek_char((0x563acd73bee0), _981382)
   Exit: (188) [system] peek_char((0x563acd73bee0), s)
^  Call: (188) [user] is_delimiter(s)
   Call: (189) [system] char_type(s, space)
   Fail: (189) [system] char_type(s, space)
   Call: (189) [system] arg(_986102, v('(', ')', end_of_file), s)
   Fail: (189) [system] arg(_987034, v('(', ')', end_of_file), s)
^  Fail: (188) [user] is_delimiter(s)
   Call: (188) [system] ')'==s
   Fail: (188) [system] ')'==s
   Call: (188) [system] get_char((0x563acd73bee0), s)
   Exit: (188) [system] get_char((0x563acd73bee0), s)
   Call: (188) [system] s=(\)
   Fail: (188) [system] s=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), _994384)
   Call: (189) [system] peek_char((0x563acd73bee0), _995318)
   Exit: (189) [system] peek_char((0x563acd73bee0), s)
^  Call: (189) [user] is_delimiter(s)
   Call: (190) [system] char_type(s, space)
   Fail: (190) [system] char_type(s, space)
   Call: (190) [system] arg(_1000038, v('(', ')', end_of_file), s)
   Fail: (190) [system] arg(_1000970, v('(', ')', end_of_file), s)
^  Fail: (189) [user] is_delimiter(s)
   Call: (189) [system] ')'==s
   Fail: (189) [system] ')'==s
   Call: (189) [system] get_char((0x563acd73bee0), s)
   Exit: (189) [system] get_char((0x563acd73bee0), s)
   Call: (189) [system] s=(\)
   Fail: (189) [system] s=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), _1008320)
   Call: (190) [system] peek_char((0x563acd73bee0), _1009254)
   Exit: (190) [system] peek_char((0x563acd73bee0), e)
^  Call: (190) [user] is_delimiter(e)
   Call: (191) [system] char_type(e, space)
   Fail: (191) [system] char_type(e, space)
   Call: (191) [system] arg(_1013974, v('(', ')', end_of_file), e)
   Fail: (191) [system] arg(_1014906, v('(', ')', end_of_file), e)
^  Fail: (190) [user] is_delimiter(e)
   Call: (190) [system] ')'==e
   Fail: (190) [system] ')'==e
   Call: (190) [system] get_char((0x563acd73bee0), e)
   Exit: (190) [system] get_char((0x563acd73bee0), e)
   Call: (190) [system] e=(\)
   Fail: (190) [system] e=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), _1022256)
   Call: (191) [system] peek_char((0x563acd73bee0), _1023190)
   Exit: (191) [system] peek_char((0x563acd73bee0), r)
^  Call: (191) [user] is_delimiter(r)
   Call: (192) [system] char_type(r, space)
   Fail: (192) [system] char_type(r, space)
   Call: (192) [system] arg(_1027910, v('(', ')', end_of_file), r)
   Fail: (192) [system] arg(_1028842, v('(', ')', end_of_file), r)
^  Fail: (191) [user] is_delimiter(r)
   Call: (191) [system] ')'==r
   Fail: (191) [system] ')'==r
   Call: (191) [system] get_char((0x563acd73bee0), r)
   Exit: (191) [system] get_char((0x563acd73bee0), r)
   Call: (191) [system] r=(\)
   Fail: (191) [system] r=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), _1036192)
   Call: (192) [system] peek_char((0x563acd73bee0), _1037126)
   Exit: (192) [system] peek_char((0x563acd73bee0), t)
^  Call: (192) [user] is_delimiter(t)
   Call: (193) [system] char_type(t, space)
   Fail: (193) [system] char_type(t, space)
   Call: (193) [system] arg(_1041846, v('(', ')', end_of_file), t)
   Fail: (193) [system] arg(_1042778, v('(', ')', end_of_file), t)
^  Fail: (192) [user] is_delimiter(t)
   Call: (192) [system] ')'==t
   Fail: (192) [system] ')'==t
   Call: (192) [system] get_char((0x563acd73bee0), t)
   Exit: (192) [system] get_char((0x563acd73bee0), t)
   Call: (192) [system] t=(\)
   Fail: (192) [system] t=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), _1050128)
   Call: (193) [system] peek_char((0x563acd73bee0), _1051062)
   Exit: (193) [system] peek_char((0x563acd73bee0), 'E')
^  Call: (193) [user] is_delimiter('E')
   Call: (194) [system] char_type('E', space)
   Fail: (194) [system] char_type('E', space)
   Call: (194) [system] arg(_1055782, v('(', ')', end_of_file), 'E')
   Fail: (194) [system] arg(_1056714, v('(', ')', end_of_file), 'E')
^  Fail: (193) [user] is_delimiter('E')
   Call: (193) [system] ')'=='E'
   Fail: (193) [system] ')'=='E'
   Call: (193) [system] get_char((0x563acd73bee0), 'E')
   Exit: (193) [system] get_char((0x563acd73bee0), 'E')
   Call: (193) [system] 'E'=(\)
   Fail: (193) [system] 'E'=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _1064064)
   Call: (194) [system] peek_char((0x563acd73bee0), _1064998)
   Exit: (194) [system] peek_char((0x563acd73bee0), q)
^  Call: (194) [user] is_delimiter(q)
   Call: (195) [system] char_type(q, space)
   Fail: (195) [system] char_type(q, space)
   Call: (195) [system] arg(_1069718, v('(', ')', end_of_file), q)
   Fail: (195) [system] arg(_1070650, v('(', ')', end_of_file), q)
^  Fail: (194) [user] is_delimiter(q)
   Call: (194) [system] ')'==q
   Fail: (194) [system] ')'==q
   Call: (194) [system] get_char((0x563acd73bee0), q)
   Exit: (194) [system] get_char((0x563acd73bee0), q)
   Call: (194) [system] q=(\)
   Fail: (194) [system] q=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _1078000)
   Call: (195) [system] peek_char((0x563acd73bee0), _1078934)
   Exit: (195) [system] peek_char((0x563acd73bee0), u)
^  Call: (195) [user] is_delimiter(u)
   Call: (196) [system] char_type(u, space)
   Fail: (196) [system] char_type(u, space)
   Call: (196) [system] arg(_1083654, v('(', ')', end_of_file), u)
   Fail: (196) [system] arg(_1084586, v('(', ')', end_of_file), u)
^  Fail: (195) [user] is_delimiter(u)
   Call: (195) [system] ')'==u
   Fail: (195) [system] ')'==u
   Call: (195) [system] get_char((0x563acd73bee0), u)
   Exit: (195) [system] get_char((0x563acd73bee0), u)
   Call: (195) [system] u=(\)
   Fail: (195) [system] u=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _1091936)
   Call: (196) [system] peek_char((0x563acd73bee0), _1092870)
   Exit: (196) [system] peek_char((0x563acd73bee0), a)
^  Call: (196) [user] is_delimiter(a)
   Call: (197) [system] char_type(a, space)
   Fail: (197) [system] char_type(a, space)
   Call: (197) [system] arg(_1097590, v('(', ')', end_of_file), a)
   Fail: (197) [system] arg(_1098522, v('(', ')', end_of_file), a)
^  Fail: (196) [user] is_delimiter(a)
   Call: (196) [system] ')'==a
   Fail: (196) [system] ')'==a
   Call: (196) [system] get_char((0x563acd73bee0), a)
   Exit: (196) [system] get_char((0x563acd73bee0), a)
   Call: (196) [system] a=(\)
   Fail: (196) [system] a=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _1105872)
   Call: (197) [system] peek_char((0x563acd73bee0), _1106806)
   Exit: (197) [system] peek_char((0x563acd73bee0), l)
^  Call: (197) [user] is_delimiter(l)
   Call: (198) [system] char_type(l, space)
   Fail: (198) [system] char_type(l, space)
   Call: (198) [system] arg(_1111526, v('(', ')', end_of_file), l)
   Fail: (198) [system] arg(_1112458, v('(', ')', end_of_file), l)
^  Fail: (197) [user] is_delimiter(l)
   Call: (197) [system] ')'==l
   Fail: (197) [system] ')'==l
   Call: (197) [system] get_char((0x563acd73bee0), l)
   Exit: (197) [system] get_char((0x563acd73bee0), l)
   Call: (197) [system] l=(\)
   Fail: (197) [system] l=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _1119808)
   Call: (198) [system] peek_char((0x563acd73bee0), _1120742)
   Exit: (198) [system] peek_char((0x563acd73bee0), 'T')
^  Call: (198) [user] is_delimiter('T')
   Call: (199) [system] char_type('T', space)
   Fail: (199) [system] char_type('T', space)
   Call: (199) [system] arg(_1125462, v('(', ')', end_of_file), 'T')
   Fail: (199) [system] arg(_1126394, v('(', ')', end_of_file), 'T')
^  Fail: (198) [user] is_delimiter('T')
   Call: (198) [system] ')'=='T'
   Fail: (198) [system] ')'=='T'
   Call: (198) [system] get_char((0x563acd73bee0), 'T')
   Exit: (198) [system] get_char((0x563acd73bee0), 'T')
   Call: (198) [system] 'T'=(\)
   Fail: (198) [system] 'T'=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _1133744)
   Call: (199) [system] peek_char((0x563acd73bee0), _1134678)
   Exit: (199) [system] peek_char((0x563acd73bee0), o)
^  Call: (199) [user] is_delimiter(o)
   Call: (200) [system] char_type(o, space)
   Fail: (200) [system] char_type(o, space)
   Call: (200) [system] arg(_1139398, v('(', ')', end_of_file), o)
   Fail: (200) [system] arg(_1140330, v('(', ')', end_of_file), o)
^  Fail: (199) [user] is_delimiter(o)
   Call: (199) [system] ')'==o
   Fail: (199) [system] ')'==o
   Call: (199) [system] get_char((0x563acd73bee0), o)
   Exit: (199) [system] get_char((0x563acd73bee0), o)
   Call: (199) [system] o=(\)
   Fail: (199) [system] o=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _1147680)
   Call: (200) [system] peek_char((0x563acd73bee0), _1148614)
   Exit: (200) [system] peek_char((0x563acd73bee0), 'R')
^  Call: (200) [user] is_delimiter('R')
   Call: (201) [system] char_type('R', space)
   Fail: (201) [system] char_type('R', space)
   Call: (201) [system] arg(_1153334, v('(', ')', end_of_file), 'R')
   Fail: (201) [system] arg(_1154266, v('(', ')', end_of_file), 'R')
^  Fail: (200) [user] is_delimiter('R')
   Call: (200) [system] ')'=='R'
   Fail: (200) [system] ')'=='R'
   Call: (200) [system] get_char((0x563acd73bee0), 'R')
   Exit: (200) [system] get_char((0x563acd73bee0), 'R')
   Call: (200) [system] 'R'=(\)
   Fail: (200) [system] 'R'=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _1161616)
   Call: (201) [system] peek_char((0x563acd73bee0), _1162550)
   Exit: (201) [system] peek_char((0x563acd73bee0), e)
^  Call: (201) [user] is_delimiter(e)
   Call: (202) [system] char_type(e, space)
   Fail: (202) [system] char_type(e, space)
   Call: (202) [system] arg(_1167270, v('(', ')', end_of_file), e)
   Fail: (202) [system] arg(_1168202, v('(', ')', end_of_file), e)
^  Fail: (201) [user] is_delimiter(e)
   Call: (201) [system] ')'==e
   Fail: (201) [system] ')'==e
   Call: (201) [system] get_char((0x563acd73bee0), e)
   Exit: (201) [system] get_char((0x563acd73bee0), e)
   Call: (201) [system] e=(\)
   Fail: (201) [system] e=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _1175552)
   Call: (202) [system] peek_char((0x563acd73bee0), _1176486)
   Exit: (202) [system] peek_char((0x563acd73bee0), s)
^  Call: (202) [user] is_delimiter(s)
   Call: (203) [system] char_type(s, space)
   Fail: (203) [system] char_type(s, space)
   Call: (203) [system] arg(_1181206, v('(', ')', end_of_file), s)
   Fail: (203) [system] arg(_1182138, v('(', ')', end_of_file), s)
^  Fail: (202) [user] is_delimiter(s)
   Call: (202) [system] ')'==s
   Fail: (202) [system] ')'==s
   Call: (202) [system] get_char((0x563acd73bee0), s)
   Exit: (202) [system] get_char((0x563acd73bee0), s)
   Call: (202) [system] s=(\)
   Fail: (202) [system] s=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1189488)
   Call: (203) [system] peek_char((0x563acd73bee0), _1190422)
   Exit: (203) [system] peek_char((0x563acd73bee0), u)
^  Call: (203) [user] is_delimiter(u)
   Call: (204) [system] char_type(u, space)
   Fail: (204) [system] char_type(u, space)
   Call: (204) [system] arg(_1195142, v('(', ')', end_of_file), u)
   Fail: (204) [system] arg(_1196074, v('(', ')', end_of_file), u)
^  Fail: (203) [user] is_delimiter(u)
   Call: (203) [system] ')'==u
   Fail: (203) [system] ')'==u
   Call: (203) [system] get_char((0x563acd73bee0), u)
   Exit: (203) [system] get_char((0x563acd73bee0), u)
   Call: (203) [system] u=(\)
   Fail: (203) [system] u=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1203424)
   Call: (204) [system] peek_char((0x563acd73bee0), _1204358)
   Exit: (204) [system] peek_char((0x563acd73bee0), l)
^  Call: (204) [user] is_delimiter(l)
   Call: (205) [system] char_type(l, space)
   Fail: (205) [system] char_type(l, space)
   Call: (205) [system] arg(_1209078, v('(', ')', end_of_file), l)
   Fail: (205) [system] arg(_1210010, v('(', ')', end_of_file), l)
^  Fail: (204) [user] is_delimiter(l)
   Call: (204) [system] ')'==l
   Fail: (204) [system] ')'==l
   Call: (204) [system] get_char((0x563acd73bee0), l)
   Exit: (204) [system] get_char((0x563acd73bee0), l)
   Call: (204) [system] l=(\)
   Fail: (204) [system] l=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1217360)
   Call: (205) [system] peek_char((0x563acd73bee0), _1218294)
   Exit: (205) [system] peek_char((0x563acd73bee0), t)
^  Call: (205) [user] is_delimiter(t)
   Call: (206) [system] char_type(t, space)
   Fail: (206) [system] char_type(t, space)
   Call: (206) [system] arg(_1223014, v('(', ')', end_of_file), t)
   Fail: (206) [system] arg(_1223946, v('(', ')', end_of_file), t)
^  Fail: (205) [user] is_delimiter(t)
   Call: (205) [system] ')'==t
   Fail: (205) [system] ')'==t
   Call: (205) [system] get_char((0x563acd73bee0), t)
   Exit: (205) [system] get_char((0x563acd73bee0), t)
   Call: (205) [system] t=(\)
   Fail: (205) [system] t=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1231296)
   Call: (206) [system] peek_char((0x563acd73bee0), _1232230)
   Exit: (206) [system] peek_char((0x563acd73bee0), '\n')
^  Call: (206) [user] is_delimiter('\n')
   Call: (207) [system] char_type('\n', space)
   Exit: (207) [system] char_type('\n', space)
^  Exit: (206) [user] is_delimiter('\n')
   Call: (206) [system] _1231296=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (205) [system] _1217360=[t]
   Exit: (205) [system] [t]=[t]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [t])
   Call: (204) [system] _1203424=[l, t]
   Exit: (204) [system] [l, t]=[l, t]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, t])
   Call: (203) [system] _1189488=[u, l, t]
   Exit: (203) [system] [u, l, t]=[u, l, t]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, l, t])
   Call: (202) [system] _1175552=[s, u, l, t]
   Exit: (202) [system] [s, u, l, t]=[s, u, l, t]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, u, l, t])
   Call: (201) [system] _1161616=[e, s, u, l, t]
   Exit: (201) [system] [e, s, u, l, t]=[e, s, u, l, t]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, s, u, l, t])
   Call: (200) [system] _1147680=['R', e, s, u, l, t]
   Exit: (200) [system] ['R', e, s, u, l, t]=['R', e, s, u, l, t]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), ['R', e, s, u, l, t])
   Call: (199) [system] _1133744=[o, 'R', e, s, u, l, t]
   Exit: (199) [system] [o, 'R', e, s, u, l, t]=[o, 'R', e, s, u, l, t]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, 'R', e, s, u, l, t])
   Call: (198) [system] _1119808=['T', o, 'R', e, s, u, l, t]
   Exit: (198) [system] ['T', o, 'R', e, s, u, l, t]=['T', o, 'R', e, s, u, l, t]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), ['T', o, 'R', e, s, u, l, t])
   Call: (197) [system] _1105872=[l, 'T', o, 'R', e, s, u, l, t]
   Exit: (197) [system] [l, 'T', o, 'R', e, s, u, l, t]=[l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, 'T', o, 'R', e, s, u, l, t])
   Call: (196) [system] _1091936=[a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (196) [system] [a, l, 'T', o, 'R', e, s, u, l, t]=[a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (195) [system] _1078000=[u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (195) [system] [u, a, l, 'T', o, 'R', e, s, u, l, t]=[u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (194) [system] _1064064=[q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (194) [system] [q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (193) [system] _1050128=['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (193) [system] ['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), ['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (192) [system] _1036192=[t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (192) [system] [t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (191) [system] _1022256=[r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (191) [system] [r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (190) [system] _1008320=[e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (190) [system] [e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (189) [system] _994384=[s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (189) [system] [s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (188) [system] _980448=[s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (188) [system] [s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (187) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
^  Call: (187) [user] classify_and_convert_charseq([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], _944938)
^  Call: (188) [user] classify_and_convert_charseq_([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], _1291806)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_1292758, _1292760), once(user:catch(read_from_chars([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], _1291806), _1292740, fail)), '$restore_trace'(_1292758, _1292760))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_1292758, _1292760))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], assertEqualToResult), _1292740, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(assertEqualToResult)
   Exit: (189) [system] atomic(assertEqualToResult)
^  Exit: (188) [user] classify_and_convert_charseq_([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], assertEqualToResult)
   Call: (188) [system] integer(assertEqualToResult)
   Fail: (188) [system] integer(assertEqualToResult)
   Call: (188) [system] _944938=assertEqualToResult
   Exit: (188) [system] assertEqualToResult=assertEqualToResult
^  Exit: (187) [user] classify_and_convert_charseq([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], assertEqualToResult)
^  Exit: (186) [user] read_symbolic(')', (0x563acd73bee0), a, assertEqualToResult)
^  Exit: (185) [user] cont_sexpr(')', (0x563acd73bee0), assertEqualToResult)
^  Call: (185) [user] read_list(')', (0x563acd73bee0), _1304886)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _1306744)
   Exit: (187) [system] peek_char((0x563acd73bee0), '\n')
   Call: (187) [system] '\n'=(;)
   Fail: (187) [system] '\n'=(;)
   Call: (187) [system] '\n'=(/)
   Fail: (187) [system] '\n'=(/)
^  Call: (187) [user] is_like_space('\n')
   Call: (188) [system] char_type('\n', 'white')
   Fail: (188) [system] char_type('\n', 'white')
   Call: (188) [system] char_type('\n', end_of_line)
   Exit: (188) [system] char_type('\n', end_of_line)
^  Exit: (187) [user] is_like_space('\n')
   Call: (187) [system] get_char((0x563acd73bee0), _1318194)
   Exit: (187) [system] get_char((0x563acd73bee0), '\n')
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _1320898)
   Exit: (188) [system] peek_char((0x563acd73bee0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x563acd73bee0), _1330492)
   Exit: (188) [system] get_char((0x563acd73bee0), ' ')
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1333196)
   Exit: (189) [system] peek_char((0x563acd73bee0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x563acd73bee0), _1342790)
   Exit: (189) [system] get_char((0x563acd73bee0), ' ')
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1345494)
   Exit: (190) [system] peek_char((0x563acd73bee0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x563acd73bee0), _1355088)
   Exit: (190) [system] get_char((0x563acd73bee0), ' ')
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _1357792)
   Exit: (191) [system] peek_char((0x563acd73bee0), ' ')
   Call: (191) [system] ' '=(;)
   Fail: (191) [system] ' '=(;)
   Call: (191) [system] ' '=(/)
   Fail: (191) [system] ' '=(/)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x563acd73bee0), _1367386)
   Exit: (191) [system] get_char((0x563acd73bee0), ' ')
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1370090)
   Exit: (192) [system] peek_char((0x563acd73bee0), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
   Call: (192) [system] '('=(/)
   Fail: (192) [system] '('=(/)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1390720)
   Exit: (186) [system] peek_char((0x563acd73bee0), '(')
   Call: (186) [system] '('=')'
   Fail: (186) [system] '('=')'
   Call: (186) [system] '('=end_of_file
   Fail: (186) [system] '('=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x563acd73bee0), _1396290)
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _1398148)
   Exit: (188) [system] peek_char((0x563acd73bee0), '(')
   Call: (188) [system] '('=(;)
   Fail: (188) [system] '('=(;)
   Call: (188) [system] '('=(/)
   Fail: (188) [system] '('=(/)
^  Call: (188) [user] is_like_space('(')
   Call: (189) [system] char_type('(', 'white')
   Fail: (189) [system] char_type('(', 'white')
   Call: (189) [system] char_type('(', end_of_line)
   Fail: (189) [system] char_type('(', end_of_line)
   Call: (189) [system] char_type('(', space)
   Fail: (189) [system] char_type('(', space)
   Call: (189) [system] char_type('(', cntrl)
   Fail: (189) [system] char_type('(', cntrl)
^  Fail: (188) [user] is_like_space('(')
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] get_char((0x563acd73bee0), _1414158)
   Exit: (187) [system] get_char((0x563acd73bee0), '(')
   Call: (187) [system] '('='('
   Exit: (187) [system] '('='('
^  Call: (187) [user] read_list(')', (0x563acd73bee0), _1396290)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1419728)
   Exit: (189) [system] peek_char((0x563acd73bee0), k)
   Call: (189) [system] k=(;)
   Fail: (189) [system] k=(;)
   Call: (189) [system] k=(/)
   Fail: (189) [system] k=(/)
^  Call: (189) [user] is_like_space(k)
   Call: (190) [system] char_type(k, 'white')
   Fail: (190) [system] char_type(k, 'white')
   Call: (190) [system] char_type(k, end_of_line)
   Fail: (190) [system] char_type(k, end_of_line)
   Call: (190) [system] char_type(k, space)
   Fail: (190) [system] char_type(k, space)
   Call: (190) [system] char_type(k, cntrl)
   Fail: (190) [system] char_type(k, cntrl)
^  Fail: (189) [user] is_like_space(k)
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _1435738)
   Exit: (188) [system] peek_char((0x563acd73bee0), k)
   Call: (188) [system] k=')'
   Fail: (188) [system] k=')'
   Call: (188) [system] k=end_of_file
   Fail: (188) [system] k=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x563acd73bee0), _1441308)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1443166)
   Exit: (190) [system] peek_char((0x563acd73bee0), k)
   Call: (190) [system] k=(;)
   Fail: (190) [system] k=(;)
   Call: (190) [system] k=(/)
   Fail: (190) [system] k=(/)
^  Call: (190) [user] is_like_space(k)
   Call: (191) [system] char_type(k, 'white')
   Fail: (191) [system] char_type(k, 'white')
   Call: (191) [system] char_type(k, end_of_line)
   Fail: (191) [system] char_type(k, end_of_line)
   Call: (191) [system] char_type(k, space)
   Fail: (191) [system] char_type(k, space)
   Call: (191) [system] char_type(k, cntrl)
   Fail: (191) [system] char_type(k, cntrl)
^  Fail: (190) [user] is_like_space(k)
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] get_char((0x563acd73bee0), _1459176)
   Exit: (189) [system] get_char((0x563acd73bee0), k)
   Call: (189) [system] k='('
   Fail: (189) [system] k='('
   Call: (189) [system] k='['
   Fail: (189) [system] k='['
   Call: (189) [system] k='{'
   Fail: (189) [system] k='{'
   Call: (189) [system] k='"'
   Fail: (189) [system] k='"'
   Call: (189) [system] k=!
   Fail: (189) [system] k=!
   Call: (189) [system] k='\''
   Fail: (189) [system] k='\''
   Call: (189) [system] k='`'
   Fail: (189) [system] k='`'
   Call: (189) [system] k=end_of_file
   Fail: (189) [system] k=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x563acd73bee0), k, _1441308)
^  Call: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), _1476818)
   Call: (191) [system] peek_char((0x563acd73bee0), _1477752)
   Exit: (191) [system] peek_char((0x563acd73bee0), b)
^  Call: (191) [user] is_delimiter(b)
   Call: (192) [system] char_type(b, space)
   Fail: (192) [system] char_type(b, space)
   Call: (192) [system] arg(_1482472, v('(', ')', end_of_file), b)
   Fail: (192) [system] arg(_1483404, v('(', ')', end_of_file), b)
^  Fail: (191) [user] is_delimiter(b)
   Call: (191) [system] ')'==b
   Fail: (191) [system] ')'==b
   Call: (191) [system] get_char((0x563acd73bee0), b)
   Exit: (191) [system] get_char((0x563acd73bee0), b)
   Call: (191) [system] b=(\)
   Fail: (191) [system] b=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), _1490754)
   Call: (192) [system] peek_char((0x563acd73bee0), _1491688)
   Exit: (192) [system] peek_char((0x563acd73bee0), ')')
^  Call: (192) [user] is_delimiter(')')
   Call: (193) [system] char_type(')', space)
   Fail: (193) [system] char_type(')', space)
   Call: (193) [system] arg(_1496408, v('(', ')', end_of_file), ')')
   Exit: (193) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (192) [user] is_delimiter(')')
   Call: (192) [system] _1490754=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (191) [system] _1476818=[b]
   Exit: (191) [system] [b]=[b]
^  Exit: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
^  Call: (190) [user] classify_and_convert_charseq([k, b], _1441308)
^  Call: (191) [user] classify_and_convert_charseq_([k, b], _1505638)
^  Call: (193) [system] setup_call_cleanup('$notrace'(_1506590, _1506592), once(user:catch(read_from_chars([k, b], _1505638), _1506572, fail)), '$restore_trace'(_1506590, _1506592))
^  Call: (194) [system] sig_atomic(system:'$notrace'(_1506590, _1506592))
^  Exit: (193) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([k, b], kb), _1506572, fail)), system:'$restore_trace'(3, -1))
   Call: (192) [system] atomic(kb)
   Exit: (192) [system] atomic(kb)
^  Exit: (191) [user] classify_and_convert_charseq_([k, b], kb)
   Call: (191) [system] integer(kb)
   Fail: (191) [system] integer(kb)
   Call: (191) [system] _1441308=kb
   Exit: (191) [system] kb=kb
^  Exit: (190) [user] classify_and_convert_charseq([k, b], kb)
^  Exit: (189) [user] read_symbolic(')', (0x563acd73bee0), k, kb)
^  Exit: (188) [user] cont_sexpr(')', (0x563acd73bee0), kb)
^  Call: (188) [user] read_list(')', (0x563acd73bee0), _1518718)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1520576)
   Exit: (190) [system] peek_char((0x563acd73bee0), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
   Call: (190) [system] ')'=(/)
   Fail: (190) [system] ')'=(/)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1536586)
   Exit: (189) [system] peek_char((0x563acd73bee0), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x563acd73bee0), _1540376)
   Exit: (189) [system] get_char((0x563acd73bee0), ')')
   Call: (189) [system] _1518718=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x563acd73bee0), [])
   Call: (188) [system] _1396290=[kb]
   Exit: (188) [system] [kb]=[kb]
^  Exit: (187) [user] read_list(')', (0x563acd73bee0), [kb])
^  Exit: (186) [user] cont_sexpr(')', (0x563acd73bee0), [kb])
^  Call: (186) [user] read_list(')', (0x563acd73bee0), _1548670)
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _1550528)
   Exit: (188) [system] peek_char((0x563acd73bee0), '\n')
   Call: (188) [system] '\n'=(;)
   Fail: (188) [system] '\n'=(;)
   Call: (188) [system] '\n'=(/)
   Fail: (188) [system] '\n'=(/)
^  Call: (188) [user] is_like_space('\n')
   Call: (189) [system] char_type('\n', 'white')
   Fail: (189) [system] char_type('\n', 'white')
   Call: (189) [system] char_type('\n', end_of_line)
   Exit: (189) [system] char_type('\n', end_of_line)
^  Exit: (188) [user] is_like_space('\n')
   Call: (188) [system] get_char((0x563acd73bee0), _1561978)
   Exit: (188) [system] get_char((0x563acd73bee0), '\n')
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1564682)
   Exit: (189) [system] peek_char((0x563acd73bee0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x563acd73bee0), _1574276)
   Exit: (189) [system] get_char((0x563acd73bee0), ' ')
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1576980)
   Exit: (190) [system] peek_char((0x563acd73bee0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x563acd73bee0), _1586574)
   Exit: (190) [system] get_char((0x563acd73bee0), ' ')
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _1589278)
   Exit: (191) [system] peek_char((0x563acd73bee0), ' ')
   Call: (191) [system] ' '=(;)
   Fail: (191) [system] ' '=(;)
   Call: (191) [system] ' '=(/)
   Fail: (191) [system] ' '=(/)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x563acd73bee0), _1598872)
   Exit: (191) [system] get_char((0x563acd73bee0), ' ')
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1601576)
   Exit: (192) [system] peek_char((0x563acd73bee0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x563acd73bee0), _1611170)
   Exit: (192) [system] get_char((0x563acd73bee0), ' ')
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1613874)
   Exit: (193) [system] peek_char((0x563acd73bee0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _1634504)
   Exit: (187) [system] peek_char((0x563acd73bee0), '(')
   Call: (187) [system] '('=')'
   Fail: (187) [system] '('=')'
   Call: (187) [system] '('=end_of_file
   Fail: (187) [system] '('=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x563acd73bee0), _1640074)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1641932)
   Exit: (189) [system] peek_char((0x563acd73bee0), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
   Call: (189) [system] '('=(/)
   Fail: (189) [system] '('=(/)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] get_char((0x563acd73bee0), _1657942)
   Exit: (188) [system] get_char((0x563acd73bee0), '(')
   Call: (188) [system] '('='('
   Exit: (188) [system] '('='('
^  Call: (188) [user] read_list(')', (0x563acd73bee0), _1640074)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1663512)
   Exit: (190) [system] peek_char((0x563acd73bee0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x563acd73bee0), _1673106)
   Exit: (190) [system] get_char((0x563acd73bee0), ' ')
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _1675810)
   Exit: (191) [system] peek_char((0x563acd73bee0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1692744)
   Exit: (189) [system] peek_char((0x563acd73bee0), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x563acd73bee0), _1698314)
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _1700172)
   Exit: (191) [system] peek_char((0x563acd73bee0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] get_char((0x563acd73bee0), _1716182)
   Exit: (190) [system] get_char((0x563acd73bee0), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x563acd73bee0), _1698314)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1721752)
   Exit: (192) [system] peek_char((0x563acd73bee0), :)
   Call: (192) [system] (:)=(;)
   Fail: (192) [system] (:)=(;)
   Call: (192) [system] (:)=(/)
   Fail: (192) [system] (:)=(/)
^  Call: (192) [user] is_like_space(:)
   Call: (193) [system] char_type(:, 'white')
   Fail: (193) [system] char_type(:, 'white')
   Call: (193) [system] char_type(:, end_of_line)
   Fail: (193) [system] char_type(:, end_of_line)
   Call: (193) [system] char_type(:, space)
   Fail: (193) [system] char_type(:, space)
   Call: (193) [system] char_type(:, cntrl)
   Fail: (193) [system] char_type(:, cntrl)
^  Fail: (192) [user] is_like_space(:)
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _1737762)
   Exit: (191) [system] peek_char((0x563acd73bee0), :)
   Call: (191) [system] (:)=')'
   Fail: (191) [system] (:)=')'
   Call: (191) [system] (:)=end_of_file
   Fail: (191) [system] (:)=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x563acd73bee0), _1743332)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1745190)
   Exit: (193) [system] peek_char((0x563acd73bee0), :)
   Call: (193) [system] (:)=(;)
   Fail: (193) [system] (:)=(;)
   Call: (193) [system] (:)=(/)
   Fail: (193) [system] (:)=(/)
^  Call: (193) [user] is_like_space(:)
   Call: (194) [system] char_type(:, 'white')
   Fail: (194) [system] char_type(:, 'white')
   Call: (194) [system] char_type(:, end_of_line)
   Fail: (194) [system] char_type(:, end_of_line)
   Call: (194) [system] char_type(:, space)
   Fail: (194) [system] char_type(:, space)
   Call: (194) [system] char_type(:, cntrl)
   Fail: (194) [system] char_type(:, cntrl)
^  Fail: (193) [user] is_like_space(:)
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] get_char((0x563acd73bee0), _1761200)
   Exit: (192) [system] get_char((0x563acd73bee0), :)
   Call: (192) [system] (:)='('
   Fail: (192) [system] (:)='('
   Call: (192) [system] (:)='['
   Fail: (192) [system] (:)='['
   Call: (192) [system] (:)='{'
   Fail: (192) [system] (:)='{'
   Call: (192) [system] (:)='"'
   Fail: (192) [system] (:)='"'
   Call: (192) [system] (:)=!
   Fail: (192) [system] (:)=!
   Call: (192) [system] (:)='\''
   Fail: (192) [system] (:)='\''
   Call: (192) [system] (:)='`'
   Fail: (192) [system] (:)='`'
   Call: (192) [system] (:)=end_of_file
   Fail: (192) [system] (:)=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x563acd73bee0), :, _1743332)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _1778842)
   Call: (194) [system] peek_char((0x563acd73bee0), _1779776)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _1778842=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (193) [user] classify_and_convert_charseq([:], _1743332)
^  Call: (194) [user] classify_and_convert_charseq_([:], _1789060)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_1790012, _1790014), once(user:catch(read_from_chars([:], _1789060), _1789994, fail)), '$restore_trace'(_1790012, _1790014))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_1790012, _1790014))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1789994, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(:)
   Exit: (195) [system] atomic(:)
^  Exit: (194) [user] classify_and_convert_charseq_([:], :)
   Call: (194) [system] integer(:)
   Fail: (194) [system] integer(:)
   Call: (194) [system] _1743332=(:)
   Exit: (194) [system] (:)=(:)
^  Exit: (193) [user] classify_and_convert_charseq([:], :)
^  Exit: (192) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (191) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (191) [user] read_list(')', (0x563acd73bee0), _1802140)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1803998)
   Exit: (193) [system] peek_char((0x563acd73bee0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x563acd73bee0), _1813592)
   Exit: (193) [system] get_char((0x563acd73bee0), ' ')
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1816296)
   Exit: (194) [system] peek_char((0x563acd73bee0), a)
   Call: (194) [system] a=(;)
   Fail: (194) [system] a=(;)
   Call: (194) [system] a=(/)
   Fail: (194) [system] a=(/)
^  Call: (194) [user] is_like_space(a)
   Call: (195) [system] char_type(a, 'white')
   Fail: (195) [system] char_type(a, 'white')
   Call: (195) [system] char_type(a, end_of_line)
   Fail: (195) [system] char_type(a, end_of_line)
   Call: (195) [system] char_type(a, space)
   Fail: (195) [system] char_type(a, space)
   Call: (195) [system] char_type(a, cntrl)
   Fail: (195) [system] char_type(a, cntrl)
^  Fail: (194) [user] is_like_space(a)
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1833230)
   Exit: (192) [system] peek_char((0x563acd73bee0), a)
   Call: (192) [system] a=')'
   Fail: (192) [system] a=')'
   Call: (192) [system] a=end_of_file
   Fail: (192) [system] a=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x563acd73bee0), _1838800)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1840658)
   Exit: (194) [system] peek_char((0x563acd73bee0), a)
   Call: (194) [system] a=(;)
   Fail: (194) [system] a=(;)
   Call: (194) [system] a=(/)
   Fail: (194) [system] a=(/)
^  Call: (194) [user] is_like_space(a)
   Call: (195) [system] char_type(a, 'white')
   Fail: (195) [system] char_type(a, 'white')
   Call: (195) [system] char_type(a, end_of_line)
   Fail: (195) [system] char_type(a, end_of_line)
   Call: (195) [system] char_type(a, space)
   Fail: (195) [system] char_type(a, space)
   Call: (195) [system] char_type(a, cntrl)
   Fail: (195) [system] char_type(a, cntrl)
^  Fail: (194) [user] is_like_space(a)
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] get_char((0x563acd73bee0), _1856668)
   Exit: (193) [system] get_char((0x563acd73bee0), a)
   Call: (193) [system] a='('
   Fail: (193) [system] a='('
   Call: (193) [system] a='['
   Fail: (193) [system] a='['
   Call: (193) [system] a='{'
   Fail: (193) [system] a='{'
   Call: (193) [system] a='"'
   Fail: (193) [system] a='"'
   Call: (193) [system] a=!
   Fail: (193) [system] a=!
   Call: (193) [system] a='\''
   Fail: (193) [system] a='\''
   Call: (193) [system] a='`'
   Fail: (193) [system] a='`'
   Call: (193) [system] a=end_of_file
   Fail: (193) [system] a=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x563acd73bee0), a, _1838800)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _1874310)
   Call: (195) [system] peek_char((0x563acd73bee0), _1875244)
   Exit: (195) [system] peek_char((0x563acd73bee0), b)
^  Call: (195) [user] is_delimiter(b)
   Call: (196) [system] char_type(b, space)
   Fail: (196) [system] char_type(b, space)
   Call: (196) [system] arg(_1879964, v('(', ')', end_of_file), b)
   Fail: (196) [system] arg(_1880896, v('(', ')', end_of_file), b)
^  Fail: (195) [user] is_delimiter(b)
   Call: (195) [system] ')'==b
   Fail: (195) [system] ')'==b
   Call: (195) [system] get_char((0x563acd73bee0), b)
   Exit: (195) [system] get_char((0x563acd73bee0), b)
   Call: (195) [system] b=(\)
   Fail: (195) [system] b=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _1888246)
   Call: (196) [system] peek_char((0x563acd73bee0), _1889180)
   Exit: (196) [system] peek_char((0x563acd73bee0), c)
^  Call: (196) [user] is_delimiter(c)
   Call: (197) [system] char_type(c, space)
   Fail: (197) [system] char_type(c, space)
   Call: (197) [system] arg(_1893900, v('(', ')', end_of_file), c)
   Fail: (197) [system] arg(_1894832, v('(', ')', end_of_file), c)
^  Fail: (196) [user] is_delimiter(c)
   Call: (196) [system] ')'==c
   Fail: (196) [system] ')'==c
   Call: (196) [system] get_char((0x563acd73bee0), c)
   Exit: (196) [system] get_char((0x563acd73bee0), c)
   Call: (196) [system] c=(\)
   Fail: (196) [system] c=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _1902182)
   Call: (197) [system] peek_char((0x563acd73bee0), _1903116)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _1902182=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (196) [system] _1888246=[c]
   Exit: (196) [system] [c]=[c]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [c])
   Call: (195) [system] _1874310=[b, c]
   Exit: (195) [system] [b, c]=[b, c]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [b, c])
^  Call: (194) [user] classify_and_convert_charseq([a, b, c], _1838800)
^  Call: (195) [user] classify_and_convert_charseq_([a, b, c], _1917988)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_1918940, _1918942), once(user:catch(read_from_chars([a, b, c], _1917988), _1918922, fail)), '$restore_trace'(_1918940, _1918942))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_1918940, _1918942))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1918922, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(abc)
   Exit: (196) [system] atomic(abc)
^  Exit: (195) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (195) [system] integer(abc)
   Fail: (195) [system] integer(abc)
   Call: (195) [system] _1838800=abc
   Exit: (195) [system] abc=abc
^  Exit: (194) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (193) [user] read_symbolic(')', (0x563acd73bee0), a, abc)
^  Exit: (192) [user] cont_sexpr(')', (0x563acd73bee0), abc)
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _1931068)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1932926)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x563acd73bee0), _1942520)
   Exit: (194) [system] get_char((0x563acd73bee0), ' ')
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1945224)
   Exit: (195) [system] peek_char((0x563acd73bee0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1962158)
   Exit: (193) [system] peek_char((0x563acd73bee0), '(')
   Call: (193) [system] '('=')'
   Fail: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
   Fail: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x563acd73bee0), _1967728)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1969586)
   Exit: (195) [system] peek_char((0x563acd73bee0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] get_char((0x563acd73bee0), _1985596)
   Exit: (194) [system] get_char((0x563acd73bee0), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _1967728)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1991166)
   Exit: (196) [system] peek_char((0x563acd73bee0), 'I')
   Call: (196) [system] 'I'=(;)
   Fail: (196) [system] 'I'=(;)
   Call: (196) [system] 'I'=(/)
   Fail: (196) [system] 'I'=(/)
^  Call: (196) [user] is_like_space('I')
   Call: (197) [system] char_type('I', 'white')
   Fail: (197) [system] char_type('I', 'white')
   Call: (197) [system] char_type('I', end_of_line)
   Fail: (197) [system] char_type('I', end_of_line)
   Call: (197) [system] char_type('I', space)
   Fail: (197) [system] char_type('I', space)
   Call: (197) [system] char_type('I', cntrl)
   Fail: (197) [system] char_type('I', cntrl)
^  Fail: (196) [user] is_like_space('I')
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _2007176)
   Exit: (195) [system] peek_char((0x563acd73bee0), 'I')
   Call: (195) [system] 'I'=')'
   Fail: (195) [system] 'I'=')'
   Call: (195) [system] 'I'=end_of_file
   Fail: (195) [system] 'I'=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x563acd73bee0), _2012746)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _2014604)
   Exit: (197) [system] peek_char((0x563acd73bee0), 'I')
   Call: (197) [system] 'I'=(;)
   Fail: (197) [system] 'I'=(;)
   Call: (197) [system] 'I'=(/)
   Fail: (197) [system] 'I'=(/)
^  Call: (197) [user] is_like_space('I')
   Call: (198) [system] char_type('I', 'white')
   Fail: (198) [system] char_type('I', 'white')
   Call: (198) [system] char_type('I', end_of_line)
   Fail: (198) [system] char_type('I', end_of_line)
   Call: (198) [system] char_type('I', space)
   Fail: (198) [system] char_type('I', space)
   Call: (198) [system] char_type('I', cntrl)
   Fail: (198) [system] char_type('I', cntrl)
^  Fail: (197) [user] is_like_space('I')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] get_char((0x563acd73bee0), _2030614)
   Exit: (196) [system] get_char((0x563acd73bee0), 'I')
   Call: (196) [system] 'I'='('
   Fail: (196) [system] 'I'='('
   Call: (196) [system] 'I'='['
   Fail: (196) [system] 'I'='['
   Call: (196) [system] 'I'='{'
   Fail: (196) [system] 'I'='{'
   Call: (196) [system] 'I'='"'
   Fail: (196) [system] 'I'='"'
   Call: (196) [system] 'I'=!
   Fail: (196) [system] 'I'=!
   Call: (196) [system] 'I'='\''
   Fail: (196) [system] 'I'='\''
   Call: (196) [system] 'I'='`'
   Fail: (196) [system] 'I'='`'
   Call: (196) [system] 'I'=end_of_file
   Fail: (196) [system] 'I'=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x563acd73bee0), 'I', _2012746)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _2048256)
   Call: (198) [system] peek_char((0x563acd73bee0), _2049190)
   Exit: (198) [system] peek_char((0x563acd73bee0), m)
^  Call: (198) [user] is_delimiter(m)
   Call: (199) [system] char_type(m, space)
   Fail: (199) [system] char_type(m, space)
   Call: (199) [system] arg(_2053910, v('(', ')', end_of_file), m)
   Fail: (199) [system] arg(_2054842, v('(', ')', end_of_file), m)
^  Fail: (198) [user] is_delimiter(m)
   Call: (198) [system] ')'==m
   Fail: (198) [system] ')'==m
   Call: (198) [system] get_char((0x563acd73bee0), m)
   Exit: (198) [system] get_char((0x563acd73bee0), m)
   Call: (198) [system] m=(\)
   Fail: (198) [system] m=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _2062192)
   Call: (199) [system] peek_char((0x563acd73bee0), _2063126)
   Exit: (199) [system] peek_char((0x563acd73bee0), p)
^  Call: (199) [user] is_delimiter(p)
   Call: (200) [system] char_type(p, space)
   Fail: (200) [system] char_type(p, space)
   Call: (200) [system] arg(_2067846, v('(', ')', end_of_file), p)
   Fail: (200) [system] arg(_2068778, v('(', ')', end_of_file), p)
^  Fail: (199) [user] is_delimiter(p)
   Call: (199) [system] ')'==p
   Fail: (199) [system] ')'==p
   Call: (199) [system] get_char((0x563acd73bee0), p)
   Exit: (199) [system] get_char((0x563acd73bee0), p)
   Call: (199) [system] p=(\)
   Fail: (199) [system] p=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _2076128)
   Call: (200) [system] peek_char((0x563acd73bee0), _2077062)
   Exit: (200) [system] peek_char((0x563acd73bee0), l)
^  Call: (200) [user] is_delimiter(l)
   Call: (201) [system] char_type(l, space)
   Fail: (201) [system] char_type(l, space)
   Call: (201) [system] arg(_2081782, v('(', ')', end_of_file), l)
   Fail: (201) [system] arg(_2082714, v('(', ')', end_of_file), l)
^  Fail: (200) [user] is_delimiter(l)
   Call: (200) [system] ')'==l
   Fail: (200) [system] ')'==l
   Call: (200) [system] get_char((0x563acd73bee0), l)
   Exit: (200) [system] get_char((0x563acd73bee0), l)
   Call: (200) [system] l=(\)
   Fail: (200) [system] l=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _2090064)
   Call: (201) [system] peek_char((0x563acd73bee0), _2090998)
   Exit: (201) [system] peek_char((0x563acd73bee0), i)
^  Call: (201) [user] is_delimiter(i)
   Call: (202) [system] char_type(i, space)
   Fail: (202) [system] char_type(i, space)
   Call: (202) [system] arg(_2095718, v('(', ')', end_of_file), i)
   Fail: (202) [system] arg(_3500, v('(', ')', end_of_file), i)
^  Fail: (201) [user] is_delimiter(i)
   Call: (201) [system] ')'==i
   Fail: (201) [system] ')'==i
   Call: (201) [system] get_char((0x563acd73bee0), i)
   Exit: (201) [system] get_char((0x563acd73bee0), i)
   Call: (201) [system] i=(\)
   Fail: (201) [system] i=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _10648)
   Call: (202) [system] peek_char((0x563acd73bee0), _11582)
   Exit: (202) [system] peek_char((0x563acd73bee0), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Fail: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_16302, v('(', ')', end_of_file), c)
   Fail: (203) [system] arg(_17234, v('(', ')', end_of_file), c)
^  Fail: (202) [user] is_delimiter(c)
   Call: (202) [system] ')'==c
   Fail: (202) [system] ')'==c
   Call: (202) [system] get_char((0x563acd73bee0), c)
   Exit: (202) [system] get_char((0x563acd73bee0), c)
   Call: (202) [system] c=(\)
   Fail: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _24584)
   Call: (203) [system] peek_char((0x563acd73bee0), _25518)
   Exit: (203) [system] peek_char((0x563acd73bee0), a)
^  Call: (203) [user] is_delimiter(a)
   Call: (204) [system] char_type(a, space)
   Fail: (204) [system] char_type(a, space)
   Call: (204) [system] arg(_30238, v('(', ')', end_of_file), a)
   Fail: (204) [system] arg(_31170, v('(', ')', end_of_file), a)
^  Fail: (203) [user] is_delimiter(a)
   Call: (203) [system] ')'==a
   Fail: (203) [system] ')'==a
   Call: (203) [system] get_char((0x563acd73bee0), a)
   Exit: (203) [system] get_char((0x563acd73bee0), a)
   Call: (203) [system] a=(\)
   Fail: (203) [system] a=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _38520)
   Call: (204) [system] peek_char((0x563acd73bee0), _39454)
   Exit: (204) [system] peek_char((0x563acd73bee0), t)
^  Call: (204) [user] is_delimiter(t)
   Call: (205) [system] char_type(t, space)
   Fail: (205) [system] char_type(t, space)
   Call: (205) [system] arg(_44174, v('(', ')', end_of_file), t)
   Fail: (205) [system] arg(_45106, v('(', ')', end_of_file), t)
^  Fail: (204) [user] is_delimiter(t)
   Call: (204) [system] ')'==t
   Fail: (204) [system] ')'==t
   Call: (204) [system] get_char((0x563acd73bee0), t)
   Exit: (204) [system] get_char((0x563acd73bee0), t)
   Call: (204) [system] t=(\)
   Fail: (204) [system] t=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _52456)
   Call: (205) [system] peek_char((0x563acd73bee0), _53390)
   Exit: (205) [system] peek_char((0x563acd73bee0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_58110, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_59042, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x563acd73bee0), i)
   Exit: (205) [system] get_char((0x563acd73bee0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _66392)
   Call: (206) [system] peek_char((0x563acd73bee0), _67326)
   Exit: (206) [system] peek_char((0x563acd73bee0), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_72046, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_72978, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x563acd73bee0), o)
   Exit: (206) [system] get_char((0x563acd73bee0), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _80328)
   Call: (207) [system] peek_char((0x563acd73bee0), _81262)
   Exit: (207) [system] peek_char((0x563acd73bee0), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Fail: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_85982, v('(', ')', end_of_file), n)
   Fail: (208) [system] arg(_86914, v('(', ')', end_of_file), n)
^  Fail: (207) [user] is_delimiter(n)
   Call: (207) [system] ')'==n
   Fail: (207) [system] ')'==n
   Call: (207) [system] get_char((0x563acd73bee0), n)
   Exit: (207) [system] get_char((0x563acd73bee0), n)
   Call: (207) [system] n=(\)
   Fail: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _94264)
   Call: (208) [system] peek_char((0x563acd73bee0), _95198)
   Exit: (208) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _94264=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (207) [system] _80328=[n]
   Exit: (207) [system] [n]=[n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (206) [system] _66392=[o, n]
   Exit: (206) [system] [o, n]=[o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (205) [system] _52456=[i, o, n]
   Exit: (205) [system] [i, o, n]=[i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (204) [system] _38520=[t, i, o, n]
   Exit: (204) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (203) [system] _24584=[a, t, i, o, n]
   Exit: (203) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (202) [system] _10648=[c, a, t, i, o, n]
   Exit: (202) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (201) [system] _3430=[i, c, a, t, i, o, n]
   Exit: (201) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (200) [system] _3426=[l, i, c, a, t, i, o, n]
   Exit: (200) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (199) [system] _3422=[p, l, i, c, a, t, i, o, n]
   Exit: (199) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (198) [system] _3418=[m, p, l, i, c, a, t, i, o, n]
   Exit: (198) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (197) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _3414)
^  Call: (198) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _132422)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_133374, _133376), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _132422), _133356, fail)), '$restore_trace'(_133374, _133376))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_133374, _133376))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _132422), _133356, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(_132422)
   Fail: (199) [system] atomic(_132422)
   Call: (199) [system] atom_chars(_132422, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (199) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (198) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (198) [system] integer('Implication')
   Fail: (198) [system] integer('Implication')
   Call: (198) [system] _3414='Implication'
   Exit: (198) [system] 'Implication'='Implication'
^  Exit: (197) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (196) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (195) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _147372)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _149230)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x563acd73bee0), _158824)
   Exit: (197) [system] get_char((0x563acd73bee0), ' ')
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _161528)
   Exit: (198) [system] peek_char((0x563acd73bee0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _178462)
   Exit: (196) [system] peek_char((0x563acd73bee0), '(')
   Call: (196) [system] '('=')'
   Fail: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
   Fail: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x563acd73bee0), _184032)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _185890)
   Exit: (198) [system] peek_char((0x563acd73bee0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] get_char((0x563acd73bee0), _201900)
   Exit: (197) [system] get_char((0x563acd73bee0), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _184032)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _207470)
   Exit: (199) [system] peek_char((0x563acd73bee0), 'A')
   Call: (199) [system] 'A'=(;)
   Fail: (199) [system] 'A'=(;)
   Call: (199) [system] 'A'=(/)
   Fail: (199) [system] 'A'=(/)
^  Call: (199) [user] is_like_space('A')
   Call: (200) [system] char_type('A', 'white')
   Fail: (200) [system] char_type('A', 'white')
   Call: (200) [system] char_type('A', end_of_line)
   Fail: (200) [system] char_type('A', end_of_line)
   Call: (200) [system] char_type('A', space)
   Fail: (200) [system] char_type('A', space)
   Call: (200) [system] char_type('A', cntrl)
   Fail: (200) [system] char_type('A', cntrl)
^  Fail: (199) [user] is_like_space('A')
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _223480)
   Exit: (198) [system] peek_char((0x563acd73bee0), 'A')
   Call: (198) [system] 'A'=')'
   Fail: (198) [system] 'A'=')'
   Call: (198) [system] 'A'=end_of_file
   Fail: (198) [system] 'A'=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x563acd73bee0), _229050)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _230908)
   Exit: (200) [system] peek_char((0x563acd73bee0), 'A')
   Call: (200) [system] 'A'=(;)
   Fail: (200) [system] 'A'=(;)
   Call: (200) [system] 'A'=(/)
   Fail: (200) [system] 'A'=(/)
^  Call: (200) [user] is_like_space('A')
   Call: (201) [system] char_type('A', 'white')
   Fail: (201) [system] char_type('A', 'white')
   Call: (201) [system] char_type('A', end_of_line)
   Fail: (201) [system] char_type('A', end_of_line)
   Call: (201) [system] char_type('A', space)
   Fail: (201) [system] char_type('A', space)
   Call: (201) [system] char_type('A', cntrl)
   Fail: (201) [system] char_type('A', cntrl)
^  Fail: (200) [user] is_like_space('A')
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] get_char((0x563acd73bee0), _246918)
   Exit: (199) [system] get_char((0x563acd73bee0), 'A')
   Call: (199) [system] 'A'='('
   Fail: (199) [system] 'A'='('
   Call: (199) [system] 'A'='['
   Fail: (199) [system] 'A'='['
   Call: (199) [system] 'A'='{'
   Fail: (199) [system] 'A'='{'
   Call: (199) [system] 'A'='"'
   Fail: (199) [system] 'A'='"'
   Call: (199) [system] 'A'=!
   Fail: (199) [system] 'A'=!
   Call: (199) [system] 'A'='\''
   Fail: (199) [system] 'A'='\''
   Call: (199) [system] 'A'='`'
   Fail: (199) [system] 'A'='`'
   Call: (199) [system] 'A'=end_of_file
   Fail: (199) [system] 'A'=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x563acd73bee0), 'A', _229050)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _264560)
   Call: (201) [system] peek_char((0x563acd73bee0), _265494)
   Exit: (201) [system] peek_char((0x563acd73bee0), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_270214, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_271146, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x563acd73bee0), n)
   Exit: (201) [system] get_char((0x563acd73bee0), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _278496)
   Call: (202) [system] peek_char((0x563acd73bee0), _279430)
   Exit: (202) [system] peek_char((0x563acd73bee0), d)
^  Call: (202) [user] is_delimiter(d)
   Call: (203) [system] char_type(d, space)
   Fail: (203) [system] char_type(d, space)
   Call: (203) [system] arg(_284150, v('(', ')', end_of_file), d)
   Fail: (203) [system] arg(_285082, v('(', ')', end_of_file), d)
^  Fail: (202) [user] is_delimiter(d)
   Call: (202) [system] ')'==d
   Fail: (202) [system] ')'==d
   Call: (202) [system] get_char((0x563acd73bee0), d)
   Exit: (202) [system] get_char((0x563acd73bee0), d)
   Call: (202) [system] d=(\)
   Fail: (202) [system] d=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _292432)
   Call: (203) [system] peek_char((0x563acd73bee0), _293366)
   Exit: (203) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (203) [user] is_delimiter('L')
   Call: (204) [system] char_type('L', space)
   Fail: (204) [system] char_type('L', space)
   Call: (204) [system] arg(_298086, v('(', ')', end_of_file), 'L')
   Fail: (204) [system] arg(_299018, v('(', ')', end_of_file), 'L')
^  Fail: (203) [user] is_delimiter('L')
   Call: (203) [system] ')'=='L'
   Fail: (203) [system] ')'=='L'
   Call: (203) [system] get_char((0x563acd73bee0), 'L')
   Exit: (203) [system] get_char((0x563acd73bee0), 'L')
   Call: (203) [system] 'L'=(\)
   Fail: (203) [system] 'L'=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _306368)
   Call: (204) [system] peek_char((0x563acd73bee0), _307302)
   Exit: (204) [system] peek_char((0x563acd73bee0), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Fail: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_312022, v('(', ')', end_of_file), i)
   Fail: (205) [system] arg(_312954, v('(', ')', end_of_file), i)
^  Fail: (204) [user] is_delimiter(i)
   Call: (204) [system] ')'==i
   Fail: (204) [system] ')'==i
   Call: (204) [system] get_char((0x563acd73bee0), i)
   Exit: (204) [system] get_char((0x563acd73bee0), i)
   Call: (204) [system] i=(\)
   Fail: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _320304)
   Call: (205) [system] peek_char((0x563acd73bee0), _321238)
   Exit: (205) [system] peek_char((0x563acd73bee0), n)
^  Call: (205) [user] is_delimiter(n)
   Call: (206) [system] char_type(n, space)
   Fail: (206) [system] char_type(n, space)
   Call: (206) [system] arg(_325958, v('(', ')', end_of_file), n)
   Fail: (206) [system] arg(_326890, v('(', ')', end_of_file), n)
^  Fail: (205) [user] is_delimiter(n)
   Call: (205) [system] ')'==n
   Fail: (205) [system] ')'==n
   Call: (205) [system] get_char((0x563acd73bee0), n)
   Exit: (205) [system] get_char((0x563acd73bee0), n)
   Call: (205) [system] n=(\)
   Fail: (205) [system] n=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _334240)
   Call: (206) [system] peek_char((0x563acd73bee0), _335174)
   Exit: (206) [system] peek_char((0x563acd73bee0), k)
^  Call: (206) [user] is_delimiter(k)
   Call: (207) [system] char_type(k, space)
   Fail: (207) [system] char_type(k, space)
   Call: (207) [system] arg(_339894, v('(', ')', end_of_file), k)
   Fail: (207) [system] arg(_340826, v('(', ')', end_of_file), k)
^  Fail: (206) [user] is_delimiter(k)
   Call: (206) [system] ')'==k
   Fail: (206) [system] ')'==k
   Call: (206) [system] get_char((0x563acd73bee0), k)
   Exit: (206) [system] get_char((0x563acd73bee0), k)
   Call: (206) [system] k=(\)
   Fail: (206) [system] k=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _348176)
   Call: (207) [system] peek_char((0x563acd73bee0), _349110)
   Exit: (207) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _348176=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (206) [system] _334240=[k]
   Exit: (206) [system] [k]=[k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (205) [system] _320304=[n, k]
   Exit: (205) [system] [n, k]=[n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (204) [system] _306368=[i, n, k]
   Exit: (204) [system] [i, n, k]=[i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (203) [system] _292432=['L', i, n, k]
   Exit: (203) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (202) [system] _278496=[d, 'L', i, n, k]
   Exit: (202) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, 'L', i, n, k])
   Call: (201) [system] _264560=[n, d, 'L', i, n, k]
   Exit: (201) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, d, 'L', i, n, k])
^  Call: (200) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _229050)
^  Call: (201) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _375158)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_376110, _376112), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _375158), _376092, fail)), '$restore_trace'(_376110, _376112))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_376110, _376112))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _375158), _376092, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(_375158)
   Fail: (202) [system] atomic(_375158)
   Call: (202) [system] atom_chars(_375158, ['A', n, d, 'L', i, n, k])
   Exit: (202) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (201) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (201) [system] integer('AndLink')
   Fail: (201) [system] integer('AndLink')
   Call: (201) [system] _229050='AndLink'
   Exit: (201) [system] 'AndLink'='AndLink'
^  Exit: (200) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (199) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'AndLink')
^  Exit: (198) [user] cont_sexpr(')', (0x563acd73bee0), 'AndLink')
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _390108)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _391966)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x563acd73bee0), _401560)
   Exit: (200) [system] get_char((0x563acd73bee0), ' ')
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _404264)
   Exit: (201) [system] peek_char((0x563acd73bee0), 'A')
   Call: (201) [system] 'A'=(;)
   Fail: (201) [system] 'A'=(;)
   Call: (201) [system] 'A'=(/)
   Fail: (201) [system] 'A'=(/)
^  Call: (201) [user] is_like_space('A')
   Call: (202) [system] char_type('A', 'white')
   Fail: (202) [system] char_type('A', 'white')
   Call: (202) [system] char_type('A', end_of_line)
   Fail: (202) [system] char_type('A', end_of_line)
   Call: (202) [system] char_type('A', space)
   Fail: (202) [system] char_type('A', space)
   Call: (202) [system] char_type('A', cntrl)
   Fail: (202) [system] char_type('A', cntrl)
^  Fail: (201) [user] is_like_space('A')
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _421198)
   Exit: (199) [system] peek_char((0x563acd73bee0), 'A')
   Call: (199) [system] 'A'=')'
   Fail: (199) [system] 'A'=')'
   Call: (199) [system] 'A'=end_of_file
   Fail: (199) [system] 'A'=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x563acd73bee0), _426768)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _428626)
   Exit: (201) [system] peek_char((0x563acd73bee0), 'A')
   Call: (201) [system] 'A'=(;)
   Fail: (201) [system] 'A'=(;)
   Call: (201) [system] 'A'=(/)
   Fail: (201) [system] 'A'=(/)
^  Call: (201) [user] is_like_space('A')
   Call: (202) [system] char_type('A', 'white')
   Fail: (202) [system] char_type('A', 'white')
   Call: (202) [system] char_type('A', end_of_line)
   Fail: (202) [system] char_type('A', end_of_line)
   Call: (202) [system] char_type('A', space)
   Fail: (202) [system] char_type('A', space)
   Call: (202) [system] char_type('A', cntrl)
   Fail: (202) [system] char_type('A', cntrl)
^  Fail: (201) [user] is_like_space('A')
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] get_char((0x563acd73bee0), _444636)
   Exit: (200) [system] get_char((0x563acd73bee0), 'A')
   Call: (200) [system] 'A'='('
   Fail: (200) [system] 'A'='('
   Call: (200) [system] 'A'='['
   Fail: (200) [system] 'A'='['
   Call: (200) [system] 'A'='{'
   Fail: (200) [system] 'A'='{'
   Call: (200) [system] 'A'='"'
   Fail: (200) [system] 'A'='"'
   Call: (200) [system] 'A'=!
   Fail: (200) [system] 'A'=!
   Call: (200) [system] 'A'='\''
   Fail: (200) [system] 'A'='\''
   Call: (200) [system] 'A'='`'
   Fail: (200) [system] 'A'='`'
   Call: (200) [system] 'A'=end_of_file
   Fail: (200) [system] 'A'=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x563acd73bee0), 'A', _426768)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _462278)
   Call: (202) [system] peek_char((0x563acd73bee0), _463212)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _462278=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (201) [user] classify_and_convert_charseq(['A'], _426768)
^  Call: (202) [user] classify_and_convert_charseq_(['A'], _472496)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_473448, _473450), once(user:catch(read_from_chars(['A'], _472496), _473430, fail)), '$restore_trace'(_473448, _473450))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_473448, _473450))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _472496), _473430, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(_472496)
   Fail: (203) [system] atomic(_472496)
   Call: (203) [system] atom_chars(_472496, ['A'])
   Exit: (203) [system] atom_chars('A', ['A'])
^  Exit: (202) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (202) [system] integer('A')
   Fail: (202) [system] integer('A')
   Call: (202) [system] _426768='A'
   Exit: (202) [system] 'A'='A'
^  Exit: (201) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (200) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (199) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _487446)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _489304)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _498898)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _501602)
   Exit: (202) [system] peek_char((0x563acd73bee0), 'B')
   Call: (202) [system] 'B'=(;)
   Fail: (202) [system] 'B'=(;)
   Call: (202) [system] 'B'=(/)
   Fail: (202) [system] 'B'=(/)
^  Call: (202) [user] is_like_space('B')
   Call: (203) [system] char_type('B', 'white')
   Fail: (203) [system] char_type('B', 'white')
   Call: (203) [system] char_type('B', end_of_line)
   Fail: (203) [system] char_type('B', end_of_line)
   Call: (203) [system] char_type('B', space)
   Fail: (203) [system] char_type('B', space)
   Call: (203) [system] char_type('B', cntrl)
   Fail: (203) [system] char_type('B', cntrl)
^  Fail: (202) [user] is_like_space('B')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _518536)
   Exit: (200) [system] peek_char((0x563acd73bee0), 'B')
   Call: (200) [system] 'B'=')'
   Fail: (200) [system] 'B'=')'
   Call: (200) [system] 'B'=end_of_file
   Fail: (200) [system] 'B'=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x563acd73bee0), _524106)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _525964)
   Exit: (202) [system] peek_char((0x563acd73bee0), 'B')
   Call: (202) [system] 'B'=(;)
   Fail: (202) [system] 'B'=(;)
   Call: (202) [system] 'B'=(/)
   Fail: (202) [system] 'B'=(/)
^  Call: (202) [user] is_like_space('B')
   Call: (203) [system] char_type('B', 'white')
   Fail: (203) [system] char_type('B', 'white')
   Call: (203) [system] char_type('B', end_of_line)
   Fail: (203) [system] char_type('B', end_of_line)
   Call: (203) [system] char_type('B', space)
   Fail: (203) [system] char_type('B', space)
   Call: (203) [system] char_type('B', cntrl)
   Fail: (203) [system] char_type('B', cntrl)
^  Fail: (202) [user] is_like_space('B')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] get_char((0x563acd73bee0), _541974)
   Exit: (201) [system] get_char((0x563acd73bee0), 'B')
   Call: (201) [system] 'B'='('
   Fail: (201) [system] 'B'='('
   Call: (201) [system] 'B'='['
   Fail: (201) [system] 'B'='['
   Call: (201) [system] 'B'='{'
   Fail: (201) [system] 'B'='{'
   Call: (201) [system] 'B'='"'
   Fail: (201) [system] 'B'='"'
   Call: (201) [system] 'B'=!
   Fail: (201) [system] 'B'=!
   Call: (201) [system] 'B'='\''
   Fail: (201) [system] 'B'='\''
   Call: (201) [system] 'B'='`'
   Fail: (201) [system] 'B'='`'
   Call: (201) [system] 'B'=end_of_file
   Fail: (201) [system] 'B'=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x563acd73bee0), 'B', _524106)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _559616)
   Call: (203) [system] peek_char((0x563acd73bee0), _560550)
   Exit: (203) [system] peek_char((0x563acd73bee0), ')')
^  Call: (203) [user] is_delimiter(')')
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] arg(_565270, v('(', ')', end_of_file), ')')
   Exit: (204) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (203) [user] is_delimiter(')')
   Call: (203) [system] _559616=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (202) [user] classify_and_convert_charseq(['B'], _524106)
^  Call: (203) [user] classify_and_convert_charseq_(['B'], _571706)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_572658, _572660), once(user:catch(read_from_chars(['B'], _571706), _572640, fail)), '$restore_trace'(_572658, _572660))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_572658, _572660))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _571706), _572640, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(_571706)
   Fail: (204) [system] atomic(_571706)
   Call: (204) [system] atom_chars(_571706, ['B'])
   Exit: (204) [system] atom_chars('B', ['B'])
^  Exit: (203) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (203) [system] integer('B')
   Fail: (203) [system] integer('B')
   Call: (203) [system] _524106='B'
   Exit: (203) [system] 'B'='B'
^  Exit: (202) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (201) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (200) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _586656)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _588514)
   Exit: (202) [system] peek_char((0x563acd73bee0), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
   Call: (202) [system] ')'=(/)
   Fail: (202) [system] ')'=(/)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _604524)
   Exit: (201) [system] peek_char((0x563acd73bee0), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x563acd73bee0), _608314)
   Exit: (201) [system] get_char((0x563acd73bee0), ')')
   Call: (201) [system] _586656=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), [])
   Call: (200) [system] _487446=['B']
   Exit: (200) [system] ['B']=['B']
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), ['B'])
   Call: (199) [system] _390108=['A', 'B']
   Exit: (199) [system] ['A', 'B']=['A', 'B']
^  Exit: (198) [user] read_list(')', (0x563acd73bee0), ['A', 'B'])
   Call: (198) [system] _184032=['AndLink', 'A', 'B']
   Exit: (198) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (197) [user] read_list(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Exit: (196) [user] cont_sexpr(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Call: (196) [user] read_list(')', (0x563acd73bee0), _622196)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _624054)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x563acd73bee0), _633648)
   Exit: (198) [system] get_char((0x563acd73bee0), ' ')
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _636352)
   Exit: (199) [system] peek_char((0x563acd73bee0), 'C')
   Call: (199) [system] 'C'=(;)
   Fail: (199) [system] 'C'=(;)
   Call: (199) [system] 'C'=(/)
   Fail: (199) [system] 'C'=(/)
^  Call: (199) [user] is_like_space('C')
   Call: (200) [system] char_type('C', 'white')
   Fail: (200) [system] char_type('C', 'white')
   Call: (200) [system] char_type('C', end_of_line)
   Fail: (200) [system] char_type('C', end_of_line)
   Call: (200) [system] char_type('C', space)
   Fail: (200) [system] char_type('C', space)
   Call: (200) [system] char_type('C', cntrl)
   Fail: (200) [system] char_type('C', cntrl)
^  Fail: (199) [user] is_like_space('C')
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _653286)
   Exit: (197) [system] peek_char((0x563acd73bee0), 'C')
   Call: (197) [system] 'C'=')'
   Fail: (197) [system] 'C'=')'
   Call: (197) [system] 'C'=end_of_file
   Fail: (197) [system] 'C'=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x563acd73bee0), _658856)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _660714)
   Exit: (199) [system] peek_char((0x563acd73bee0), 'C')
   Call: (199) [system] 'C'=(;)
   Fail: (199) [system] 'C'=(;)
   Call: (199) [system] 'C'=(/)
   Fail: (199) [system] 'C'=(/)
^  Call: (199) [user] is_like_space('C')
   Call: (200) [system] char_type('C', 'white')
   Fail: (200) [system] char_type('C', 'white')
   Call: (200) [system] char_type('C', end_of_line)
   Fail: (200) [system] char_type('C', end_of_line)
   Call: (200) [system] char_type('C', space)
   Fail: (200) [system] char_type('C', space)
   Call: (200) [system] char_type('C', cntrl)
   Fail: (200) [system] char_type('C', cntrl)
^  Fail: (199) [user] is_like_space('C')
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] get_char((0x563acd73bee0), _676724)
   Exit: (198) [system] get_char((0x563acd73bee0), 'C')
   Call: (198) [system] 'C'='('
   Fail: (198) [system] 'C'='('
   Call: (198) [system] 'C'='['
   Fail: (198) [system] 'C'='['
   Call: (198) [system] 'C'='{'
   Fail: (198) [system] 'C'='{'
   Call: (198) [system] 'C'='"'
   Fail: (198) [system] 'C'='"'
   Call: (198) [system] 'C'=!
   Fail: (198) [system] 'C'=!
   Call: (198) [system] 'C'='\''
   Fail: (198) [system] 'C'='\''
   Call: (198) [system] 'C'='`'
   Fail: (198) [system] 'C'='`'
   Call: (198) [system] 'C'=end_of_file
   Fail: (198) [system] 'C'=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x563acd73bee0), 'C', _658856)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _694366)
   Call: (200) [system] peek_char((0x563acd73bee0), _695300)
   Exit: (200) [system] peek_char((0x563acd73bee0), ')')
^  Call: (200) [user] is_delimiter(')')
   Call: (201) [system] char_type(')', space)
   Fail: (201) [system] char_type(')', space)
   Call: (201) [system] arg(_700020, v('(', ')', end_of_file), ')')
   Exit: (201) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (200) [user] is_delimiter(')')
   Call: (200) [system] _694366=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (199) [user] classify_and_convert_charseq(['C'], _658856)
^  Call: (200) [user] classify_and_convert_charseq_(['C'], _706456)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_707408, _707410), once(user:catch(read_from_chars(['C'], _706456), _707390, fail)), '$restore_trace'(_707408, _707410))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_707408, _707410))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _706456), _707390, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(_706456)
   Fail: (201) [system] atomic(_706456)
   Call: (201) [system] atom_chars(_706456, ['C'])
   Exit: (201) [system] atom_chars('C', ['C'])
^  Exit: (200) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (200) [system] integer('C')
   Fail: (200) [system] integer('C')
   Call: (200) [system] _658856='C'
   Exit: (200) [system] 'C'='C'
^  Exit: (199) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (198) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (197) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _721406)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _723264)
   Exit: (199) [system] peek_char((0x563acd73bee0), ')')
   Call: (199) [system] ')'=(;)
   Fail: (199) [system] ')'=(;)
   Call: (199) [system] ')'=(/)
   Fail: (199) [system] ')'=(/)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Fail: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Fail: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
   Fail: (200) [system] char_type(')', cntrl)
^  Fail: (199) [user] is_like_space(')')
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _739274)
   Exit: (198) [system] peek_char((0x563acd73bee0), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x563acd73bee0), _743064)
   Exit: (198) [system] get_char((0x563acd73bee0), ')')
   Call: (198) [system] _721406=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x563acd73bee0), [])
   Call: (197) [system] _622196=['C']
   Exit: (197) [system] ['C']=['C']
^  Exit: (196) [user] read_list(')', (0x563acd73bee0), ['C'])
   Call: (196) [system] _147372=[['AndLink', 'A', 'B'], 'C']
   Exit: (196) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), [['AndLink', 'A', 'B'], 'C'])
   Call: (195) [system] _3408=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (195) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (193) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _756946)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _758804)
   Exit: (195) [system] peek_char((0x563acd73bee0), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
   Call: (195) [system] ')'=(/)
   Fail: (195) [system] ')'=(/)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _774814)
   Exit: (194) [system] peek_char((0x563acd73bee0), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x563acd73bee0), _778604)
   Exit: (194) [system] get_char((0x563acd73bee0), ')')
   Call: (194) [system] _756946=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), [])
   Call: (193) [system] _3404=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (193) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (192) [system] _3398=[abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (192) [system] [abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]=[abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (191) [user] read_list(')', (0x563acd73bee0), [abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (191) [system] _3390=[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (191) [system] [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]=[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (190) [user] read_list(')', (0x563acd73bee0), [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (189) [user] cont_sexpr(')', (0x563acd73bee0), [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (189) [user] read_list(')', (0x563acd73bee0), _792486)
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _794344)
   Exit: (191) [system] peek_char((0x563acd73bee0), '\n')
   Call: (191) [system] '\n'=(;)
   Fail: (191) [system] '\n'=(;)
   Call: (191) [system] '\n'=(/)
   Fail: (191) [system] '\n'=(/)
^  Call: (191) [user] is_like_space('\n')
   Call: (192) [system] char_type('\n', 'white')
   Fail: (192) [system] char_type('\n', 'white')
   Call: (192) [system] char_type('\n', end_of_line)
   Exit: (192) [system] char_type('\n', end_of_line)
^  Exit: (191) [user] is_like_space('\n')
   Call: (191) [system] get_char((0x563acd73bee0), _805794)
   Exit: (191) [system] get_char((0x563acd73bee0), '\n')
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _808498)
   Exit: (192) [system] peek_char((0x563acd73bee0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x563acd73bee0), _818092)
   Exit: (192) [system] get_char((0x563acd73bee0), ' ')
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _820796)
   Exit: (193) [system] peek_char((0x563acd73bee0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x563acd73bee0), _830390)
   Exit: (193) [system] get_char((0x563acd73bee0), ' ')
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _833094)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x563acd73bee0), _842688)
   Exit: (194) [system] get_char((0x563acd73bee0), ' ')
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _845392)
   Exit: (195) [system] peek_char((0x563acd73bee0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x563acd73bee0), _854986)
   Exit: (195) [system] get_char((0x563acd73bee0), ' ')
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _857690)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x563acd73bee0), _867284)
   Exit: (196) [system] get_char((0x563acd73bee0), ' ')
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _869988)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x563acd73bee0), _879582)
   Exit: (197) [system] get_char((0x563acd73bee0), ' ')
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _882286)
   Exit: (198) [system] peek_char((0x563acd73bee0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _904764)
   Exit: (190) [system] peek_char((0x563acd73bee0), '(')
   Call: (190) [system] '('=')'
   Fail: (190) [system] '('=')'
   Call: (190) [system] '('=end_of_file
   Fail: (190) [system] '('=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x563acd73bee0), _910334)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _912192)
   Exit: (192) [system] peek_char((0x563acd73bee0), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
   Call: (192) [system] '('=(/)
   Fail: (192) [system] '('=(/)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] get_char((0x563acd73bee0), _928202)
   Exit: (191) [system] get_char((0x563acd73bee0), '(')
   Call: (191) [system] '('='('
   Exit: (191) [system] '('='('
^  Call: (191) [user] read_list(')', (0x563acd73bee0), _910334)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _933772)
   Exit: (193) [system] peek_char((0x563acd73bee0), :)
   Call: (193) [system] (:)=(;)
   Fail: (193) [system] (:)=(;)
   Call: (193) [system] (:)=(/)
   Fail: (193) [system] (:)=(/)
^  Call: (193) [user] is_like_space(:)
   Call: (194) [system] char_type(:, 'white')
   Fail: (194) [system] char_type(:, 'white')
   Call: (194) [system] char_type(:, end_of_line)
   Fail: (194) [system] char_type(:, end_of_line)
   Call: (194) [system] char_type(:, space)
   Fail: (194) [system] char_type(:, space)
   Call: (194) [system] char_type(:, cntrl)
   Fail: (194) [system] char_type(:, cntrl)
^  Fail: (193) [user] is_like_space(:)
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _949782)
   Exit: (192) [system] peek_char((0x563acd73bee0), :)
   Call: (192) [system] (:)=')'
   Fail: (192) [system] (:)=')'
   Call: (192) [system] (:)=end_of_file
   Fail: (192) [system] (:)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x563acd73bee0), _955352)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _957210)
   Exit: (194) [system] peek_char((0x563acd73bee0), :)
   Call: (194) [system] (:)=(;)
   Fail: (194) [system] (:)=(;)
   Call: (194) [system] (:)=(/)
   Fail: (194) [system] (:)=(/)
^  Call: (194) [user] is_like_space(:)
   Call: (195) [system] char_type(:, 'white')
   Fail: (195) [system] char_type(:, 'white')
   Call: (195) [system] char_type(:, end_of_line)
   Fail: (195) [system] char_type(:, end_of_line)
   Call: (195) [system] char_type(:, space)
   Fail: (195) [system] char_type(:, space)
   Call: (195) [system] char_type(:, cntrl)
   Fail: (195) [system] char_type(:, cntrl)
^  Fail: (194) [user] is_like_space(:)
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] get_char((0x563acd73bee0), _973220)
   Exit: (193) [system] get_char((0x563acd73bee0), :)
   Call: (193) [system] (:)='('
   Fail: (193) [system] (:)='('
   Call: (193) [system] (:)='['
   Fail: (193) [system] (:)='['
   Call: (193) [system] (:)='{'
   Fail: (193) [system] (:)='{'
   Call: (193) [system] (:)='"'
   Fail: (193) [system] (:)='"'
   Call: (193) [system] (:)=!
   Fail: (193) [system] (:)=!
   Call: (193) [system] (:)='\''
   Fail: (193) [system] (:)='\''
   Call: (193) [system] (:)='`'
   Fail: (193) [system] (:)='`'
   Call: (193) [system] (:)=end_of_file
   Fail: (193) [system] (:)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x563acd73bee0), :, _955352)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _990862)
   Call: (195) [system] peek_char((0x563acd73bee0), _991796)
   Exit: (195) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (195) [user] is_delimiter(' ')
   Call: (196) [system] char_type(' ', space)
   Exit: (196) [system] char_type(' ', space)
^  Exit: (195) [user] is_delimiter(' ')
   Call: (195) [system] _990862=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (194) [user] classify_and_convert_charseq([:], _955352)
^  Call: (195) [user] classify_and_convert_charseq_([:], _1001080)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_1002032, _1002034), once(user:catch(read_from_chars([:], _1001080), _1002014, fail)), '$restore_trace'(_1002032, _1002034))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_1002032, _1002034))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1002014, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(:)
   Exit: (196) [system] atomic(:)
^  Exit: (195) [user] classify_and_convert_charseq_([:], :)
   Call: (195) [system] integer(:)
   Fail: (195) [system] integer(:)
   Call: (195) [system] _955352=(:)
   Exit: (195) [system] (:)=(:)
^  Exit: (194) [user] classify_and_convert_charseq([:], :)
^  Exit: (193) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (192) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _1014160)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1016018)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x563acd73bee0), _1025612)
   Exit: (194) [system] get_char((0x563acd73bee0), ' ')
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1028316)
   Exit: (195) [system] peek_char((0x563acd73bee0), a)
   Call: (195) [system] a=(;)
   Fail: (195) [system] a=(;)
   Call: (195) [system] a=(/)
   Fail: (195) [system] a=(/)
^  Call: (195) [user] is_like_space(a)
   Call: (196) [system] char_type(a, 'white')
   Fail: (196) [system] char_type(a, 'white')
   Call: (196) [system] char_type(a, end_of_line)
   Fail: (196) [system] char_type(a, end_of_line)
   Call: (196) [system] char_type(a, space)
   Fail: (196) [system] char_type(a, space)
   Call: (196) [system] char_type(a, cntrl)
   Fail: (196) [system] char_type(a, cntrl)
^  Fail: (195) [user] is_like_space(a)
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1045250)
   Exit: (193) [system] peek_char((0x563acd73bee0), a)
   Call: (193) [system] a=')'
   Fail: (193) [system] a=')'
   Call: (193) [system] a=end_of_file
   Fail: (193) [system] a=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x563acd73bee0), _1050820)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1052678)
   Exit: (195) [system] peek_char((0x563acd73bee0), a)
   Call: (195) [system] a=(;)
   Fail: (195) [system] a=(;)
   Call: (195) [system] a=(/)
   Fail: (195) [system] a=(/)
^  Call: (195) [user] is_like_space(a)
   Call: (196) [system] char_type(a, 'white')
   Fail: (196) [system] char_type(a, 'white')
   Call: (196) [system] char_type(a, end_of_line)
   Fail: (196) [system] char_type(a, end_of_line)
   Call: (196) [system] char_type(a, space)
   Fail: (196) [system] char_type(a, space)
   Call: (196) [system] char_type(a, cntrl)
   Fail: (196) [system] char_type(a, cntrl)
^  Fail: (195) [user] is_like_space(a)
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] get_char((0x563acd73bee0), _1068688)
   Exit: (194) [system] get_char((0x563acd73bee0), a)
   Call: (194) [system] a='('
   Fail: (194) [system] a='('
   Call: (194) [system] a='['
   Fail: (194) [system] a='['
   Call: (194) [system] a='{'
   Fail: (194) [system] a='{'
   Call: (194) [system] a='"'
   Fail: (194) [system] a='"'
   Call: (194) [system] a=!
   Fail: (194) [system] a=!
   Call: (194) [system] a='\''
   Fail: (194) [system] a='\''
   Call: (194) [system] a='`'
   Fail: (194) [system] a='`'
   Call: (194) [system] a=end_of_file
   Fail: (194) [system] a=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x563acd73bee0), a, _1050820)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _1086330)
   Call: (196) [system] peek_char((0x563acd73bee0), _1087264)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _1086330=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (195) [user] classify_and_convert_charseq([a], _1050820)
^  Call: (196) [user] classify_and_convert_charseq_([a], _1096548)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_1097500, _1097502), once(user:catch(read_from_chars([a], _1096548), _1097482, fail)), '$restore_trace'(_1097500, _1097502))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_1097500, _1097502))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1097482, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(a)
   Exit: (197) [system] atomic(a)
^  Exit: (196) [user] classify_and_convert_charseq_([a], a)
   Call: (196) [system] integer(a)
   Fail: (196) [system] integer(a)
   Call: (196) [system] _1050820=a
   Exit: (196) [system] a=a
^  Exit: (195) [user] classify_and_convert_charseq([a], a)
^  Exit: (194) [user] read_symbolic(')', (0x563acd73bee0), a, a)
^  Exit: (193) [user] cont_sexpr(')', (0x563acd73bee0), a)
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _1109628)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1111486)
   Exit: (195) [system] peek_char((0x563acd73bee0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x563acd73bee0), _1121080)
   Exit: (195) [system] get_char((0x563acd73bee0), ' ')
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1123784)
   Exit: (196) [system] peek_char((0x563acd73bee0), 'A')
   Call: (196) [system] 'A'=(;)
   Fail: (196) [system] 'A'=(;)
   Call: (196) [system] 'A'=(/)
   Fail: (196) [system] 'A'=(/)
^  Call: (196) [user] is_like_space('A')
   Call: (197) [system] char_type('A', 'white')
   Fail: (197) [system] char_type('A', 'white')
   Call: (197) [system] char_type('A', end_of_line)
   Fail: (197) [system] char_type('A', end_of_line)
   Call: (197) [system] char_type('A', space)
   Fail: (197) [system] char_type('A', space)
   Call: (197) [system] char_type('A', cntrl)
   Fail: (197) [system] char_type('A', cntrl)
^  Fail: (196) [user] is_like_space('A')
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1140718)
   Exit: (194) [system] peek_char((0x563acd73bee0), 'A')
   Call: (194) [system] 'A'=')'
   Fail: (194) [system] 'A'=')'
   Call: (194) [system] 'A'=end_of_file
   Fail: (194) [system] 'A'=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x563acd73bee0), _1146288)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1148146)
   Exit: (196) [system] peek_char((0x563acd73bee0), 'A')
   Call: (196) [system] 'A'=(;)
   Fail: (196) [system] 'A'=(;)
   Call: (196) [system] 'A'=(/)
   Fail: (196) [system] 'A'=(/)
^  Call: (196) [user] is_like_space('A')
   Call: (197) [system] char_type('A', 'white')
   Fail: (197) [system] char_type('A', 'white')
   Call: (197) [system] char_type('A', end_of_line)
   Fail: (197) [system] char_type('A', end_of_line)
   Call: (197) [system] char_type('A', space)
   Fail: (197) [system] char_type('A', space)
   Call: (197) [system] char_type('A', cntrl)
   Fail: (197) [system] char_type('A', cntrl)
^  Fail: (196) [user] is_like_space('A')
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] get_char((0x563acd73bee0), _1164156)
   Exit: (195) [system] get_char((0x563acd73bee0), 'A')
   Call: (195) [system] 'A'='('
   Fail: (195) [system] 'A'='('
   Call: (195) [system] 'A'='['
   Fail: (195) [system] 'A'='['
   Call: (195) [system] 'A'='{'
   Fail: (195) [system] 'A'='{'
   Call: (195) [system] 'A'='"'
   Fail: (195) [system] 'A'='"'
   Call: (195) [system] 'A'=!
   Fail: (195) [system] 'A'=!
   Call: (195) [system] 'A'='\''
   Fail: (195) [system] 'A'='\''
   Call: (195) [system] 'A'='`'
   Fail: (195) [system] 'A'='`'
   Call: (195) [system] 'A'=end_of_file
   Fail: (195) [system] 'A'=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x563acd73bee0), 'A', _1146288)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _1181798)
   Call: (197) [system] peek_char((0x563acd73bee0), _1182732)
   Exit: (197) [system] peek_char((0x563acd73bee0), ')')
^  Call: (197) [user] is_delimiter(')')
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] arg(_1187452, v('(', ')', end_of_file), ')')
   Exit: (198) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (197) [user] is_delimiter(')')
   Call: (197) [system] _1181798=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (196) [user] classify_and_convert_charseq(['A'], _1146288)
^  Call: (197) [user] classify_and_convert_charseq_(['A'], _1193888)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_1194840, _1194842), once(user:catch(read_from_chars(['A'], _1193888), _1194822, fail)), '$restore_trace'(_1194840, _1194842))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_1194840, _1194842))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1193888), _1194822, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(_1193888)
   Fail: (198) [system] atomic(_1193888)
   Call: (198) [system] atom_chars(_1193888, ['A'])
   Exit: (198) [system] atom_chars('A', ['A'])
^  Exit: (197) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (197) [system] integer('A')
   Fail: (197) [system] integer('A')
   Call: (197) [system] _1146288='A'
   Exit: (197) [system] 'A'='A'
^  Exit: (196) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (195) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (194) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _1208838)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1210696)
   Exit: (196) [system] peek_char((0x563acd73bee0), ')')
   Call: (196) [system] ')'=(;)
   Fail: (196) [system] ')'=(;)
   Call: (196) [system] ')'=(/)
   Fail: (196) [system] ')'=(/)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Fail: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Fail: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
   Fail: (197) [system] char_type(')', cntrl)
^  Fail: (196) [user] is_like_space(')')
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1226706)
   Exit: (195) [system] peek_char((0x563acd73bee0), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x563acd73bee0), _1230496)
   Exit: (195) [system] get_char((0x563acd73bee0), ')')
   Call: (195) [system] _1208838=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), [])
   Call: (194) [system] _1109628=['A']
   Exit: (194) [system] ['A']=['A']
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), ['A'])
   Call: (193) [system] _1014160=[a, 'A']
   Exit: (193) [system] [a, 'A']=[a, 'A']
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), [a, 'A'])
   Call: (192) [system] _910334=[:, a, 'A']
   Exit: (192) [system] [:, a, 'A']=[:, a, 'A']
^  Exit: (191) [user] read_list(')', (0x563acd73bee0), [:, a, 'A'])
^  Exit: (190) [user] cont_sexpr(')', (0x563acd73bee0), [:, a, 'A'])
^  Call: (190) [user] read_list(')', (0x563acd73bee0), _1244378)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1246236)
   Exit: (192) [system] peek_char((0x563acd73bee0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x563acd73bee0), _1255830)
   Exit: (192) [system] get_char((0x563acd73bee0), ' ')
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1258534)
   Exit: (193) [system] peek_char((0x563acd73bee0), '\n')
   Call: (193) [system] '\n'=(;)
   Fail: (193) [system] '\n'=(;)
   Call: (193) [system] '\n'=(/)
   Fail: (193) [system] '\n'=(/)
^  Call: (193) [user] is_like_space('\n')
   Call: (194) [system] char_type('\n', 'white')
   Fail: (194) [system] char_type('\n', 'white')
   Call: (194) [system] char_type('\n', end_of_line)
   Exit: (194) [system] char_type('\n', end_of_line)
^  Exit: (193) [user] is_like_space('\n')
   Call: (193) [system] get_char((0x563acd73bee0), _1269984)
   Exit: (193) [system] get_char((0x563acd73bee0), '\n')
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1272688)
   Exit: (194) [system] peek_char((0x563acd73bee0), '\t')
   Call: (194) [system] '\t'=(;)
   Fail: (194) [system] '\t'=(;)
   Call: (194) [system] '\t'=(/)
   Fail: (194) [system] '\t'=(/)
^  Call: (194) [user] is_like_space('\t')
   Call: (195) [system] char_type('\t', 'white')
   Exit: (195) [system] char_type('\t', 'white')
^  Exit: (194) [user] is_like_space('\t')
   Call: (194) [system] get_char((0x563acd73bee0), _1282282)
   Exit: (194) [system] get_char((0x563acd73bee0), '\t')
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1284986)
   Exit: (195) [system] peek_char((0x563acd73bee0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x563acd73bee0), _1294580)
   Exit: (195) [system] get_char((0x563acd73bee0), ' ')
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1297284)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x563acd73bee0), _1306878)
   Exit: (196) [system] get_char((0x563acd73bee0), ' ')
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1309582)
   Exit: (197) [system] peek_char((0x563acd73bee0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _1330212)
   Exit: (191) [system] peek_char((0x563acd73bee0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x563acd73bee0), _1335782)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1337640)
   Exit: (193) [system] peek_char((0x563acd73bee0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] get_char((0x563acd73bee0), _1353650)
   Exit: (192) [system] get_char((0x563acd73bee0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _1335782)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1359220)
   Exit: (194) [system] peek_char((0x563acd73bee0), :)
   Call: (194) [system] (:)=(;)
   Fail: (194) [system] (:)=(;)
   Call: (194) [system] (:)=(/)
   Fail: (194) [system] (:)=(/)
^  Call: (194) [user] is_like_space(:)
   Call: (195) [system] char_type(:, 'white')
   Fail: (195) [system] char_type(:, 'white')
   Call: (195) [system] char_type(:, end_of_line)
   Fail: (195) [system] char_type(:, end_of_line)
   Call: (195) [system] char_type(:, space)
   Fail: (195) [system] char_type(:, space)
   Call: (195) [system] char_type(:, cntrl)
   Fail: (195) [system] char_type(:, cntrl)
^  Fail: (194) [user] is_like_space(:)
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1375230)
   Exit: (193) [system] peek_char((0x563acd73bee0), :)
   Call: (193) [system] (:)=')'
   Fail: (193) [system] (:)=')'
   Call: (193) [system] (:)=end_of_file
   Fail: (193) [system] (:)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x563acd73bee0), _1380800)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1382658)
   Exit: (195) [system] peek_char((0x563acd73bee0), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
   Call: (195) [system] (:)=(/)
   Fail: (195) [system] (:)=(/)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] get_char((0x563acd73bee0), _1398668)
   Exit: (194) [system] get_char((0x563acd73bee0), :)
   Call: (194) [system] (:)='('
   Fail: (194) [system] (:)='('
   Call: (194) [system] (:)='['
   Fail: (194) [system] (:)='['
   Call: (194) [system] (:)='{'
   Fail: (194) [system] (:)='{'
   Call: (194) [system] (:)='"'
   Fail: (194) [system] (:)='"'
   Call: (194) [system] (:)=!
   Fail: (194) [system] (:)=!
   Call: (194) [system] (:)='\''
   Fail: (194) [system] (:)='\''
   Call: (194) [system] (:)='`'
   Fail: (194) [system] (:)='`'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x563acd73bee0), :, _1380800)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _1416310)
   Call: (196) [system] peek_char((0x563acd73bee0), _1417244)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _1416310=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (195) [user] classify_and_convert_charseq([:], _1380800)
^  Call: (196) [user] classify_and_convert_charseq_([:], _1426528)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_1427480, _1427482), once(user:catch(read_from_chars([:], _1426528), _1427462, fail)), '$restore_trace'(_1427480, _1427482))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_1427480, _1427482))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1427462, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(:)
   Exit: (197) [system] atomic(:)
^  Exit: (196) [user] classify_and_convert_charseq_([:], :)
   Call: (196) [system] integer(:)
   Fail: (196) [system] integer(:)
   Call: (196) [system] _1380800=(:)
   Exit: (196) [system] (:)=(:)
^  Exit: (195) [user] classify_and_convert_charseq([:], :)
^  Exit: (194) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (193) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _1439608)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1441466)
   Exit: (195) [system] peek_char((0x563acd73bee0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x563acd73bee0), _1451060)
   Exit: (195) [system] get_char((0x563acd73bee0), ' ')
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1453764)
   Exit: (196) [system] peek_char((0x563acd73bee0), a)
   Call: (196) [system] a=(;)
   Fail: (196) [system] a=(;)
   Call: (196) [system] a=(/)
   Fail: (196) [system] a=(/)
^  Call: (196) [user] is_like_space(a)
   Call: (197) [system] char_type(a, 'white')
   Fail: (197) [system] char_type(a, 'white')
   Call: (197) [system] char_type(a, end_of_line)
   Fail: (197) [system] char_type(a, end_of_line)
   Call: (197) [system] char_type(a, space)
   Fail: (197) [system] char_type(a, space)
   Call: (197) [system] char_type(a, cntrl)
   Fail: (197) [system] char_type(a, cntrl)
^  Fail: (196) [user] is_like_space(a)
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1470698)
   Exit: (194) [system] peek_char((0x563acd73bee0), a)
   Call: (194) [system] a=')'
   Fail: (194) [system] a=')'
   Call: (194) [system] a=end_of_file
   Fail: (194) [system] a=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x563acd73bee0), _1476268)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1478126)
   Exit: (196) [system] peek_char((0x563acd73bee0), a)
   Call: (196) [system] a=(;)
   Fail: (196) [system] a=(;)
   Call: (196) [system] a=(/)
   Fail: (196) [system] a=(/)
^  Call: (196) [user] is_like_space(a)
   Call: (197) [system] char_type(a, 'white')
   Fail: (197) [system] char_type(a, 'white')
   Call: (197) [system] char_type(a, end_of_line)
   Fail: (197) [system] char_type(a, end_of_line)
   Call: (197) [system] char_type(a, space)
   Fail: (197) [system] char_type(a, space)
   Call: (197) [system] char_type(a, cntrl)
   Fail: (197) [system] char_type(a, cntrl)
^  Fail: (196) [user] is_like_space(a)
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] get_char((0x563acd73bee0), _1494136)
   Exit: (195) [system] get_char((0x563acd73bee0), a)
   Call: (195) [system] a='('
   Fail: (195) [system] a='('
   Call: (195) [system] a='['
   Fail: (195) [system] a='['
   Call: (195) [system] a='{'
   Fail: (195) [system] a='{'
   Call: (195) [system] a='"'
   Fail: (195) [system] a='"'
   Call: (195) [system] a=!
   Fail: (195) [system] a=!
   Call: (195) [system] a='\''
   Fail: (195) [system] a='\''
   Call: (195) [system] a='`'
   Fail: (195) [system] a='`'
   Call: (195) [system] a=end_of_file
   Fail: (195) [system] a=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x563acd73bee0), a, _1476268)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _1511778)
   Call: (197) [system] peek_char((0x563acd73bee0), _1512712)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _1511778=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (196) [user] classify_and_convert_charseq([a], _1476268)
^  Call: (197) [user] classify_and_convert_charseq_([a], _1521996)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_1522948, _1522950), once(user:catch(read_from_chars([a], _1521996), _1522930, fail)), '$restore_trace'(_1522948, _1522950))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_1522948, _1522950))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1522930, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(a)
   Exit: (198) [system] atomic(a)
^  Exit: (197) [user] classify_and_convert_charseq_([a], a)
   Call: (197) [system] integer(a)
   Fail: (197) [system] integer(a)
   Call: (197) [system] _1476268=a
   Exit: (197) [system] a=a
^  Exit: (196) [user] classify_and_convert_charseq([a], a)
^  Exit: (195) [user] read_symbolic(')', (0x563acd73bee0), a, a)
^  Exit: (194) [user] cont_sexpr(')', (0x563acd73bee0), a)
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _1535076)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1536934)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x563acd73bee0), _1546528)
   Exit: (196) [system] get_char((0x563acd73bee0), ' ')
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1549232)
   Exit: (197) [system] peek_char((0x563acd73bee0), 'B')
   Call: (197) [system] 'B'=(;)
   Fail: (197) [system] 'B'=(;)
   Call: (197) [system] 'B'=(/)
   Fail: (197) [system] 'B'=(/)
^  Call: (197) [user] is_like_space('B')
   Call: (198) [system] char_type('B', 'white')
   Fail: (198) [system] char_type('B', 'white')
   Call: (198) [system] char_type('B', end_of_line)
   Fail: (198) [system] char_type('B', end_of_line)
   Call: (198) [system] char_type('B', space)
   Fail: (198) [system] char_type('B', space)
   Call: (198) [system] char_type('B', cntrl)
   Fail: (198) [system] char_type('B', cntrl)
^  Fail: (197) [user] is_like_space('B')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1566166)
   Exit: (195) [system] peek_char((0x563acd73bee0), 'B')
   Call: (195) [system] 'B'=')'
   Fail: (195) [system] 'B'=')'
   Call: (195) [system] 'B'=end_of_file
   Fail: (195) [system] 'B'=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x563acd73bee0), _1571736)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1573594)
   Exit: (197) [system] peek_char((0x563acd73bee0), 'B')
   Call: (197) [system] 'B'=(;)
   Fail: (197) [system] 'B'=(;)
   Call: (197) [system] 'B'=(/)
   Fail: (197) [system] 'B'=(/)
^  Call: (197) [user] is_like_space('B')
   Call: (198) [system] char_type('B', 'white')
   Fail: (198) [system] char_type('B', 'white')
   Call: (198) [system] char_type('B', end_of_line)
   Fail: (198) [system] char_type('B', end_of_line)
   Call: (198) [system] char_type('B', space)
   Fail: (198) [system] char_type('B', space)
   Call: (198) [system] char_type('B', cntrl)
   Fail: (198) [system] char_type('B', cntrl)
^  Fail: (197) [user] is_like_space('B')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] get_char((0x563acd73bee0), _1589604)
   Exit: (196) [system] get_char((0x563acd73bee0), 'B')
   Call: (196) [system] 'B'='('
   Fail: (196) [system] 'B'='('
   Call: (196) [system] 'B'='['
   Fail: (196) [system] 'B'='['
   Call: (196) [system] 'B'='{'
   Fail: (196) [system] 'B'='{'
   Call: (196) [system] 'B'='"'
   Fail: (196) [system] 'B'='"'
   Call: (196) [system] 'B'=!
   Fail: (196) [system] 'B'=!
   Call: (196) [system] 'B'='\''
   Fail: (196) [system] 'B'='\''
   Call: (196) [system] 'B'='`'
   Fail: (196) [system] 'B'='`'
   Call: (196) [system] 'B'=end_of_file
   Fail: (196) [system] 'B'=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x563acd73bee0), 'B', _1571736)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _1607246)
   Call: (198) [system] peek_char((0x563acd73bee0), _1608180)
   Exit: (198) [system] peek_char((0x563acd73bee0), ')')
^  Call: (198) [user] is_delimiter(')')
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] arg(_1612900, v('(', ')', end_of_file), ')')
   Exit: (199) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (198) [user] is_delimiter(')')
   Call: (198) [system] _1607246=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (197) [user] classify_and_convert_charseq(['B'], _1571736)
^  Call: (198) [user] classify_and_convert_charseq_(['B'], _1619336)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_1620288, _1620290), once(user:catch(read_from_chars(['B'], _1619336), _1620270, fail)), '$restore_trace'(_1620288, _1620290))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_1620288, _1620290))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1619336), _1620270, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(_1619336)
   Fail: (199) [system] atomic(_1619336)
   Call: (199) [system] atom_chars(_1619336, ['B'])
   Exit: (199) [system] atom_chars('B', ['B'])
^  Exit: (198) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (198) [system] integer('B')
   Fail: (198) [system] integer('B')
   Call: (198) [system] _1571736='B'
   Exit: (198) [system] 'B'='B'
^  Exit: (197) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (196) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (195) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _1634286)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1636144)
   Exit: (197) [system] peek_char((0x563acd73bee0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1652154)
   Exit: (196) [system] peek_char((0x563acd73bee0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x563acd73bee0), _1655944)
   Exit: (196) [system] get_char((0x563acd73bee0), ')')
   Call: (196) [system] _1634286=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), [])
   Call: (195) [system] _1535076=['B']
   Exit: (195) [system] ['B']=['B']
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), ['B'])
   Call: (194) [system] _1439608=[a, 'B']
   Exit: (194) [system] [a, 'B']=[a, 'B']
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), [a, 'B'])
   Call: (193) [system] _1335782=[:, a, 'B']
   Exit: (193) [system] [:, a, 'B']=[:, a, 'B']
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), [:, a, 'B'])
^  Exit: (191) [user] cont_sexpr(')', (0x563acd73bee0), [:, a, 'B'])
^  Call: (191) [user] read_list(')', (0x563acd73bee0), _1669826)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1671684)
   Exit: (193) [system] peek_char((0x563acd73bee0), '\n')
   Call: (193) [system] '\n'=(;)
   Fail: (193) [system] '\n'=(;)
   Call: (193) [system] '\n'=(/)
   Fail: (193) [system] '\n'=(/)
^  Call: (193) [user] is_like_space('\n')
   Call: (194) [system] char_type('\n', 'white')
   Fail: (194) [system] char_type('\n', 'white')
   Call: (194) [system] char_type('\n', end_of_line)
   Exit: (194) [system] char_type('\n', end_of_line)
^  Exit: (193) [user] is_like_space('\n')
   Call: (193) [system] get_char((0x563acd73bee0), _1683134)
   Exit: (193) [system] get_char((0x563acd73bee0), '\n')
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1685838)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x563acd73bee0), _1695432)
   Exit: (194) [system] get_char((0x563acd73bee0), ' ')
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1698136)
   Exit: (195) [system] peek_char((0x563acd73bee0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x563acd73bee0), _1707730)
   Exit: (195) [system] get_char((0x563acd73bee0), ' ')
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1710434)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x563acd73bee0), _1720028)
   Exit: (196) [system] get_char((0x563acd73bee0), ' ')
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1722732)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x563acd73bee0), _1732326)
   Exit: (197) [system] get_char((0x563acd73bee0), ' ')
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1735030)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x563acd73bee0), _1744624)
   Exit: (198) [system] get_char((0x563acd73bee0), ' ')
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1747328)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x563acd73bee0), _1756922)
   Exit: (199) [system] get_char((0x563acd73bee0), ' ')
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1759626)
   Exit: (200) [system] peek_char((0x563acd73bee0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1782104)
   Exit: (192) [system] peek_char((0x563acd73bee0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x563acd73bee0), _1787674)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1789532)
   Exit: (194) [system] peek_char((0x563acd73bee0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] get_char((0x563acd73bee0), _1805542)
   Exit: (193) [system] get_char((0x563acd73bee0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _1787674)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1811112)
   Exit: (195) [system] peek_char((0x563acd73bee0), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
   Call: (195) [system] (:)=(/)
   Fail: (195) [system] (:)=(/)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1827122)
   Exit: (194) [system] peek_char((0x563acd73bee0), :)
   Call: (194) [system] (:)=')'
   Fail: (194) [system] (:)=')'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x563acd73bee0), _1832692)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1834550)
   Exit: (196) [system] peek_char((0x563acd73bee0), :)
   Call: (196) [system] (:)=(;)
   Fail: (196) [system] (:)=(;)
   Call: (196) [system] (:)=(/)
   Fail: (196) [system] (:)=(/)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Fail: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Fail: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Fail: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
   Fail: (197) [system] char_type(:, cntrl)
^  Fail: (196) [user] is_like_space(:)
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] get_char((0x563acd73bee0), _1850560)
   Exit: (195) [system] get_char((0x563acd73bee0), :)
   Call: (195) [system] (:)='('
   Fail: (195) [system] (:)='('
   Call: (195) [system] (:)='['
   Fail: (195) [system] (:)='['
   Call: (195) [system] (:)='{'
   Fail: (195) [system] (:)='{'
   Call: (195) [system] (:)='"'
   Fail: (195) [system] (:)='"'
   Call: (195) [system] (:)=!
   Fail: (195) [system] (:)=!
   Call: (195) [system] (:)='\''
   Fail: (195) [system] (:)='\''
   Call: (195) [system] (:)='`'
   Fail: (195) [system] (:)='`'
   Call: (195) [system] (:)=end_of_file
   Fail: (195) [system] (:)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x563acd73bee0), :, _1832692)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _1868202)
   Call: (197) [system] peek_char((0x563acd73bee0), _1869136)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _1868202=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (196) [user] classify_and_convert_charseq([:], _1832692)
^  Call: (197) [user] classify_and_convert_charseq_([:], _1878420)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_1879372, _1879374), once(user:catch(read_from_chars([:], _1878420), _1879354, fail)), '$restore_trace'(_1879372, _1879374))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_1879372, _1879374))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1879354, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(:)
   Exit: (198) [system] atomic(:)
^  Exit: (197) [user] classify_and_convert_charseq_([:], :)
   Call: (197) [system] integer(:)
   Fail: (197) [system] integer(:)
   Call: (197) [system] _1832692=(:)
   Exit: (197) [system] (:)=(:)
^  Exit: (196) [user] classify_and_convert_charseq([:], :)
^  Exit: (195) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (194) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _1891500)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1893358)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x563acd73bee0), _1902952)
   Exit: (196) [system] get_char((0x563acd73bee0), ' ')
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1905656)
   Exit: (197) [system] peek_char((0x563acd73bee0), c)
   Call: (197) [system] c=(;)
   Fail: (197) [system] c=(;)
   Call: (197) [system] c=(/)
   Fail: (197) [system] c=(/)
^  Call: (197) [user] is_like_space(c)
   Call: (198) [system] char_type(c, 'white')
   Fail: (198) [system] char_type(c, 'white')
   Call: (198) [system] char_type(c, end_of_line)
   Fail: (198) [system] char_type(c, end_of_line)
   Call: (198) [system] char_type(c, space)
   Fail: (198) [system] char_type(c, space)
   Call: (198) [system] char_type(c, cntrl)
   Fail: (198) [system] char_type(c, cntrl)
^  Fail: (197) [user] is_like_space(c)
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1922590)
   Exit: (195) [system] peek_char((0x563acd73bee0), c)
   Call: (195) [system] c=')'
   Fail: (195) [system] c=')'
   Call: (195) [system] c=end_of_file
   Fail: (195) [system] c=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x563acd73bee0), _1928160)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1930018)
   Exit: (197) [system] peek_char((0x563acd73bee0), c)
   Call: (197) [system] c=(;)
   Fail: (197) [system] c=(;)
   Call: (197) [system] c=(/)
   Fail: (197) [system] c=(/)
^  Call: (197) [user] is_like_space(c)
   Call: (198) [system] char_type(c, 'white')
   Fail: (198) [system] char_type(c, 'white')
   Call: (198) [system] char_type(c, end_of_line)
   Fail: (198) [system] char_type(c, end_of_line)
   Call: (198) [system] char_type(c, space)
   Fail: (198) [system] char_type(c, space)
   Call: (198) [system] char_type(c, cntrl)
   Fail: (198) [system] char_type(c, cntrl)
^  Fail: (197) [user] is_like_space(c)
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] get_char((0x563acd73bee0), _1946028)
   Exit: (196) [system] get_char((0x563acd73bee0), c)
   Call: (196) [system] c='('
   Fail: (196) [system] c='('
   Call: (196) [system] c='['
   Fail: (196) [system] c='['
   Call: (196) [system] c='{'
   Fail: (196) [system] c='{'
   Call: (196) [system] c='"'
   Fail: (196) [system] c='"'
   Call: (196) [system] c=!
   Fail: (196) [system] c=!
   Call: (196) [system] c='\''
   Fail: (196) [system] c='\''
   Call: (196) [system] c='`'
   Fail: (196) [system] c='`'
   Call: (196) [system] c=end_of_file
   Fail: (196) [system] c=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x563acd73bee0), c, _1928160)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _1963670)
   Call: (198) [system] peek_char((0x563acd73bee0), _1964604)
   Exit: (198) [system] peek_char((0x563acd73bee0), d)
^  Call: (198) [user] is_delimiter(d)
   Call: (199) [system] char_type(d, space)
   Fail: (199) [system] char_type(d, space)
   Call: (199) [system] arg(_1969324, v('(', ')', end_of_file), d)
   Fail: (199) [system] arg(_1970256, v('(', ')', end_of_file), d)
^  Fail: (198) [user] is_delimiter(d)
   Call: (198) [system] ')'==d
   Fail: (198) [system] ')'==d
   Call: (198) [system] get_char((0x563acd73bee0), d)
   Exit: (198) [system] get_char((0x563acd73bee0), d)
   Call: (198) [system] d=(\)
   Fail: (198) [system] d=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _1977606)
   Call: (199) [system] peek_char((0x563acd73bee0), _1978540)
   Exit: (199) [system] peek_char((0x563acd73bee0), e)
^  Call: (199) [user] is_delimiter(e)
   Call: (200) [system] char_type(e, space)
   Fail: (200) [system] char_type(e, space)
   Call: (200) [system] arg(_1983260, v('(', ')', end_of_file), e)
   Fail: (200) [system] arg(_1984192, v('(', ')', end_of_file), e)
^  Fail: (199) [user] is_delimiter(e)
   Call: (199) [system] ')'==e
   Fail: (199) [system] ')'==e
   Call: (199) [system] get_char((0x563acd73bee0), e)
   Exit: (199) [system] get_char((0x563acd73bee0), e)
   Call: (199) [system] e=(\)
   Fail: (199) [system] e=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _1991542)
   Call: (200) [system] peek_char((0x563acd73bee0), _1992476)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _1991542=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (199) [system] _1977606=[e]
   Exit: (199) [system] [e]=[e]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [e])
   Call: (198) [system] _1963670=[d, e]
   Exit: (198) [system] [d, e]=[d, e]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, e])
^  Call: (197) [user] classify_and_convert_charseq([c, d, e], _1928160)
^  Call: (198) [user] classify_and_convert_charseq_([c, d, e], _2007348)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_2008300, _2008302), once(user:catch(read_from_chars([c, d, e], _2007348), _2008282, fail)), '$restore_trace'(_2008300, _2008302))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_2008300, _2008302))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _2008282, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(cde)
   Exit: (199) [system] atomic(cde)
^  Exit: (198) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (198) [system] integer(cde)
   Fail: (198) [system] integer(cde)
   Call: (198) [system] _1928160=cde
   Exit: (198) [system] cde=cde
^  Exit: (197) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (196) [user] read_symbolic(')', (0x563acd73bee0), c, cde)
^  Exit: (195) [user] cont_sexpr(')', (0x563acd73bee0), cde)
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _2020428)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _2022286)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x563acd73bee0), _2031880)
   Exit: (197) [system] get_char((0x563acd73bee0), ' ')
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _2034584)
   Exit: (198) [system] peek_char((0x563acd73bee0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _2051518)
   Exit: (196) [system] peek_char((0x563acd73bee0), '(')
   Call: (196) [system] '('=')'
   Fail: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
   Fail: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x563acd73bee0), _2057088)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _2058946)
   Exit: (198) [system] peek_char((0x563acd73bee0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] get_char((0x563acd73bee0), _2074956)
   Exit: (197) [system] get_char((0x563acd73bee0), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _2057088)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _2080526)
   Exit: (199) [system] peek_char((0x563acd73bee0), 'I')
   Call: (199) [system] 'I'=(;)
   Fail: (199) [system] 'I'=(;)
   Call: (199) [system] 'I'=(/)
   Fail: (199) [system] 'I'=(/)
^  Call: (199) [user] is_like_space('I')
   Call: (200) [system] char_type('I', 'white')
   Fail: (200) [system] char_type('I', 'white')
   Call: (200) [system] char_type('I', end_of_line)
   Fail: (200) [system] char_type('I', end_of_line)
   Call: (200) [system] char_type('I', space)
   Fail: (200) [system] char_type('I', space)
   Call: (200) [system] char_type('I', cntrl)
   Fail: (200) [system] char_type('I', cntrl)
^  Fail: (199) [user] is_like_space('I')
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _3522)
   Exit: (198) [system] peek_char((0x563acd73bee0), 'I')
   Call: (198) [system] 'I'=')'
   Fail: (198) [system] 'I'=')'
   Call: (198) [system] 'I'=end_of_file
   Fail: (198) [system] 'I'=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x563acd73bee0), _8828)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _10686)
   Exit: (200) [system] peek_char((0x563acd73bee0), 'I')
   Call: (200) [system] 'I'=(;)
   Fail: (200) [system] 'I'=(;)
   Call: (200) [system] 'I'=(/)
   Fail: (200) [system] 'I'=(/)
^  Call: (200) [user] is_like_space('I')
   Call: (201) [system] char_type('I', 'white')
   Fail: (201) [system] char_type('I', 'white')
   Call: (201) [system] char_type('I', end_of_line)
   Fail: (201) [system] char_type('I', end_of_line)
   Call: (201) [system] char_type('I', space)
   Fail: (201) [system] char_type('I', space)
   Call: (201) [system] char_type('I', cntrl)
   Fail: (201) [system] char_type('I', cntrl)
^  Fail: (200) [user] is_like_space('I')
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] get_char((0x563acd73bee0), _26696)
   Exit: (199) [system] get_char((0x563acd73bee0), 'I')
   Call: (199) [system] 'I'='('
   Fail: (199) [system] 'I'='('
   Call: (199) [system] 'I'='['
   Fail: (199) [system] 'I'='['
   Call: (199) [system] 'I'='{'
   Fail: (199) [system] 'I'='{'
   Call: (199) [system] 'I'='"'
   Fail: (199) [system] 'I'='"'
   Call: (199) [system] 'I'=!
   Fail: (199) [system] 'I'=!
   Call: (199) [system] 'I'='\''
   Fail: (199) [system] 'I'='\''
   Call: (199) [system] 'I'='`'
   Fail: (199) [system] 'I'='`'
   Call: (199) [system] 'I'=end_of_file
   Fail: (199) [system] 'I'=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x563acd73bee0), 'I', _8828)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _44338)
   Call: (201) [system] peek_char((0x563acd73bee0), _45272)
   Exit: (201) [system] peek_char((0x563acd73bee0), m)
^  Call: (201) [user] is_delimiter(m)
   Call: (202) [system] char_type(m, space)
   Fail: (202) [system] char_type(m, space)
   Call: (202) [system] arg(_49992, v('(', ')', end_of_file), m)
   Fail: (202) [system] arg(_50924, v('(', ')', end_of_file), m)
^  Fail: (201) [user] is_delimiter(m)
   Call: (201) [system] ')'==m
   Fail: (201) [system] ')'==m
   Call: (201) [system] get_char((0x563acd73bee0), m)
   Exit: (201) [system] get_char((0x563acd73bee0), m)
   Call: (201) [system] m=(\)
   Fail: (201) [system] m=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _58274)
   Call: (202) [system] peek_char((0x563acd73bee0), _59208)
   Exit: (202) [system] peek_char((0x563acd73bee0), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Fail: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_63928, v('(', ')', end_of_file), p)
   Fail: (203) [system] arg(_64860, v('(', ')', end_of_file), p)
^  Fail: (202) [user] is_delimiter(p)
   Call: (202) [system] ')'==p
   Fail: (202) [system] ')'==p
   Call: (202) [system] get_char((0x563acd73bee0), p)
   Exit: (202) [system] get_char((0x563acd73bee0), p)
   Call: (202) [system] p=(\)
   Fail: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _72210)
   Call: (203) [system] peek_char((0x563acd73bee0), _73144)
   Exit: (203) [system] peek_char((0x563acd73bee0), l)
^  Call: (203) [user] is_delimiter(l)
   Call: (204) [system] char_type(l, space)
   Fail: (204) [system] char_type(l, space)
   Call: (204) [system] arg(_77864, v('(', ')', end_of_file), l)
   Fail: (204) [system] arg(_78796, v('(', ')', end_of_file), l)
^  Fail: (203) [user] is_delimiter(l)
   Call: (203) [system] ')'==l
   Fail: (203) [system] ')'==l
   Call: (203) [system] get_char((0x563acd73bee0), l)
   Exit: (203) [system] get_char((0x563acd73bee0), l)
   Call: (203) [system] l=(\)
   Fail: (203) [system] l=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _86146)
   Call: (204) [system] peek_char((0x563acd73bee0), _87080)
   Exit: (204) [system] peek_char((0x563acd73bee0), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Fail: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_91800, v('(', ')', end_of_file), i)
   Fail: (205) [system] arg(_92732, v('(', ')', end_of_file), i)
^  Fail: (204) [user] is_delimiter(i)
   Call: (204) [system] ')'==i
   Fail: (204) [system] ')'==i
   Call: (204) [system] get_char((0x563acd73bee0), i)
   Exit: (204) [system] get_char((0x563acd73bee0), i)
   Call: (204) [system] i=(\)
   Fail: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _100082)
   Call: (205) [system] peek_char((0x563acd73bee0), _101016)
   Exit: (205) [system] peek_char((0x563acd73bee0), c)
^  Call: (205) [user] is_delimiter(c)
   Call: (206) [system] char_type(c, space)
   Fail: (206) [system] char_type(c, space)
   Call: (206) [system] arg(_105736, v('(', ')', end_of_file), c)
   Fail: (206) [system] arg(_106668, v('(', ')', end_of_file), c)
^  Fail: (205) [user] is_delimiter(c)
   Call: (205) [system] ')'==c
   Fail: (205) [system] ')'==c
   Call: (205) [system] get_char((0x563acd73bee0), c)
   Exit: (205) [system] get_char((0x563acd73bee0), c)
   Call: (205) [system] c=(\)
   Fail: (205) [system] c=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _114018)
   Call: (206) [system] peek_char((0x563acd73bee0), _114952)
   Exit: (206) [system] peek_char((0x563acd73bee0), a)
^  Call: (206) [user] is_delimiter(a)
   Call: (207) [system] char_type(a, space)
   Fail: (207) [system] char_type(a, space)
   Call: (207) [system] arg(_119672, v('(', ')', end_of_file), a)
   Fail: (207) [system] arg(_120604, v('(', ')', end_of_file), a)
^  Fail: (206) [user] is_delimiter(a)
   Call: (206) [system] ')'==a
   Fail: (206) [system] ')'==a
   Call: (206) [system] get_char((0x563acd73bee0), a)
   Exit: (206) [system] get_char((0x563acd73bee0), a)
   Call: (206) [system] a=(\)
   Fail: (206) [system] a=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _127954)
   Call: (207) [system] peek_char((0x563acd73bee0), _128888)
   Exit: (207) [system] peek_char((0x563acd73bee0), t)
^  Call: (207) [user] is_delimiter(t)
   Call: (208) [system] char_type(t, space)
   Fail: (208) [system] char_type(t, space)
   Call: (208) [system] arg(_133608, v('(', ')', end_of_file), t)
   Fail: (208) [system] arg(_134540, v('(', ')', end_of_file), t)
^  Fail: (207) [user] is_delimiter(t)
   Call: (207) [system] ')'==t
   Fail: (207) [system] ')'==t
   Call: (207) [system] get_char((0x563acd73bee0), t)
   Exit: (207) [system] get_char((0x563acd73bee0), t)
   Call: (207) [system] t=(\)
   Fail: (207) [system] t=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _141890)
   Call: (208) [system] peek_char((0x563acd73bee0), _142824)
   Exit: (208) [system] peek_char((0x563acd73bee0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_147544, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_148476, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x563acd73bee0), i)
   Exit: (208) [system] get_char((0x563acd73bee0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _155826)
   Call: (209) [system] peek_char((0x563acd73bee0), _156760)
   Exit: (209) [system] peek_char((0x563acd73bee0), o)
^  Call: (209) [user] is_delimiter(o)
   Call: (210) [system] char_type(o, space)
   Fail: (210) [system] char_type(o, space)
   Call: (210) [system] arg(_161480, v('(', ')', end_of_file), o)
   Fail: (210) [system] arg(_162412, v('(', ')', end_of_file), o)
^  Fail: (209) [user] is_delimiter(o)
   Call: (209) [system] ')'==o
   Fail: (209) [system] ')'==o
   Call: (209) [system] get_char((0x563acd73bee0), o)
   Exit: (209) [system] get_char((0x563acd73bee0), o)
   Call: (209) [system] o=(\)
   Fail: (209) [system] o=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _169762)
   Call: (210) [system] peek_char((0x563acd73bee0), _170696)
   Exit: (210) [system] peek_char((0x563acd73bee0), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Fail: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_175416, v('(', ')', end_of_file), n)
   Fail: (211) [system] arg(_176348, v('(', ')', end_of_file), n)
^  Fail: (210) [user] is_delimiter(n)
   Call: (210) [system] ')'==n
   Fail: (210) [system] ')'==n
   Call: (210) [system] get_char((0x563acd73bee0), n)
   Exit: (210) [system] get_char((0x563acd73bee0), n)
   Call: (210) [system] n=(\)
   Fail: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _183698)
   Call: (211) [system] peek_char((0x563acd73bee0), _184632)
   Exit: (211) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _183698=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (210) [system] _169762=[n]
   Exit: (210) [system] [n]=[n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (209) [system] _155826=[o, n]
   Exit: (209) [system] [o, n]=[o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (208) [system] _141890=[i, o, n]
   Exit: (208) [system] [i, o, n]=[i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (207) [system] _127954=[t, i, o, n]
   Exit: (207) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (206) [system] _114018=[a, t, i, o, n]
   Exit: (206) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (205) [system] _100082=[c, a, t, i, o, n]
   Exit: (205) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (204) [system] _86146=[i, c, a, t, i, o, n]
   Exit: (204) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (203) [system] _72210=[l, i, c, a, t, i, o, n]
   Exit: (203) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (202) [system] _58274=[p, l, i, c, a, t, i, o, n]
   Exit: (202) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (201) [system] _44338=[m, p, l, i, c, a, t, i, o, n]
   Exit: (201) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (200) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _8828)
^  Call: (201) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _221856)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_222808, _222810), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _221856), _222790, fail)), '$restore_trace'(_222808, _222810))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_222808, _222810))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _221856), _222790, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(_221856)
   Fail: (202) [system] atomic(_221856)
   Call: (202) [system] atom_chars(_221856, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (202) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (201) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (201) [system] integer('Implication')
   Fail: (201) [system] integer('Implication')
   Call: (201) [system] _8828='Implication'
   Exit: (201) [system] 'Implication'='Implication'
^  Exit: (200) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (199) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (198) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _236806)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _238664)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x563acd73bee0), _248258)
   Exit: (200) [system] get_char((0x563acd73bee0), ' ')
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _250962)
   Exit: (201) [system] peek_char((0x563acd73bee0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
   Call: (201) [system] '('=(/)
   Fail: (201) [system] '('=(/)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _267896)
   Exit: (199) [system] peek_char((0x563acd73bee0), '(')
   Call: (199) [system] '('=')'
   Fail: (199) [system] '('=')'
   Call: (199) [system] '('=end_of_file
   Fail: (199) [system] '('=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x563acd73bee0), _273466)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _275324)
   Exit: (201) [system] peek_char((0x563acd73bee0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
   Call: (201) [system] '('=(/)
   Fail: (201) [system] '('=(/)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] get_char((0x563acd73bee0), _291334)
   Exit: (200) [system] get_char((0x563acd73bee0), '(')
   Call: (200) [system] '('='('
   Exit: (200) [system] '('='('
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _273466)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _296904)
   Exit: (202) [system] peek_char((0x563acd73bee0), 'O')
   Call: (202) [system] 'O'=(;)
   Fail: (202) [system] 'O'=(;)
   Call: (202) [system] 'O'=(/)
   Fail: (202) [system] 'O'=(/)
^  Call: (202) [user] is_like_space('O')
   Call: (203) [system] char_type('O', 'white')
   Fail: (203) [system] char_type('O', 'white')
   Call: (203) [system] char_type('O', end_of_line)
   Fail: (203) [system] char_type('O', end_of_line)
   Call: (203) [system] char_type('O', space)
   Fail: (203) [system] char_type('O', space)
   Call: (203) [system] char_type('O', cntrl)
   Fail: (203) [system] char_type('O', cntrl)
^  Fail: (202) [user] is_like_space('O')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _312914)
   Exit: (201) [system] peek_char((0x563acd73bee0), 'O')
   Call: (201) [system] 'O'=')'
   Fail: (201) [system] 'O'=')'
   Call: (201) [system] 'O'=end_of_file
   Fail: (201) [system] 'O'=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x563acd73bee0), _318484)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _320342)
   Exit: (203) [system] peek_char((0x563acd73bee0), 'O')
   Call: (203) [system] 'O'=(;)
   Fail: (203) [system] 'O'=(;)
   Call: (203) [system] 'O'=(/)
   Fail: (203) [system] 'O'=(/)
^  Call: (203) [user] is_like_space('O')
   Call: (204) [system] char_type('O', 'white')
   Fail: (204) [system] char_type('O', 'white')
   Call: (204) [system] char_type('O', end_of_line)
   Fail: (204) [system] char_type('O', end_of_line)
   Call: (204) [system] char_type('O', space)
   Fail: (204) [system] char_type('O', space)
   Call: (204) [system] char_type('O', cntrl)
   Fail: (204) [system] char_type('O', cntrl)
^  Fail: (203) [user] is_like_space('O')
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] get_char((0x563acd73bee0), _336352)
   Exit: (202) [system] get_char((0x563acd73bee0), 'O')
   Call: (202) [system] 'O'='('
   Fail: (202) [system] 'O'='('
   Call: (202) [system] 'O'='['
   Fail: (202) [system] 'O'='['
   Call: (202) [system] 'O'='{'
   Fail: (202) [system] 'O'='{'
   Call: (202) [system] 'O'='"'
   Fail: (202) [system] 'O'='"'
   Call: (202) [system] 'O'=!
   Fail: (202) [system] 'O'=!
   Call: (202) [system] 'O'='\''
   Fail: (202) [system] 'O'='\''
   Call: (202) [system] 'O'='`'
   Fail: (202) [system] 'O'='`'
   Call: (202) [system] 'O'=end_of_file
   Fail: (202) [system] 'O'=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x563acd73bee0), 'O', _318484)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _353994)
   Call: (204) [system] peek_char((0x563acd73bee0), _354928)
   Exit: (204) [system] peek_char((0x563acd73bee0), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_359648, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_360580, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x563acd73bee0), r)
   Exit: (204) [system] get_char((0x563acd73bee0), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _367930)
   Call: (205) [system] peek_char((0x563acd73bee0), _368864)
   Exit: (205) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (205) [user] is_delimiter('L')
   Call: (206) [system] char_type('L', space)
   Fail: (206) [system] char_type('L', space)
   Call: (206) [system] arg(_373584, v('(', ')', end_of_file), 'L')
   Fail: (206) [system] arg(_374516, v('(', ')', end_of_file), 'L')
^  Fail: (205) [user] is_delimiter('L')
   Call: (205) [system] ')'=='L'
   Fail: (205) [system] ')'=='L'
   Call: (205) [system] get_char((0x563acd73bee0), 'L')
   Exit: (205) [system] get_char((0x563acd73bee0), 'L')
   Call: (205) [system] 'L'=(\)
   Fail: (205) [system] 'L'=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _381866)
   Call: (206) [system] peek_char((0x563acd73bee0), _382800)
   Exit: (206) [system] peek_char((0x563acd73bee0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_387520, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_388452, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x563acd73bee0), i)
   Exit: (206) [system] get_char((0x563acd73bee0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _395802)
   Call: (207) [system] peek_char((0x563acd73bee0), _396736)
   Exit: (207) [system] peek_char((0x563acd73bee0), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Fail: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_401456, v('(', ')', end_of_file), n)
   Fail: (208) [system] arg(_402388, v('(', ')', end_of_file), n)
^  Fail: (207) [user] is_delimiter(n)
   Call: (207) [system] ')'==n
   Fail: (207) [system] ')'==n
   Call: (207) [system] get_char((0x563acd73bee0), n)
   Exit: (207) [system] get_char((0x563acd73bee0), n)
   Call: (207) [system] n=(\)
   Fail: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _409738)
   Call: (208) [system] peek_char((0x563acd73bee0), _410672)
   Exit: (208) [system] peek_char((0x563acd73bee0), k)
^  Call: (208) [user] is_delimiter(k)
   Call: (209) [system] char_type(k, space)
   Fail: (209) [system] char_type(k, space)
   Call: (209) [system] arg(_415392, v('(', ')', end_of_file), k)
   Fail: (209) [system] arg(_416324, v('(', ')', end_of_file), k)
^  Fail: (208) [user] is_delimiter(k)
   Call: (208) [system] ')'==k
   Fail: (208) [system] ')'==k
   Call: (208) [system] get_char((0x563acd73bee0), k)
   Exit: (208) [system] get_char((0x563acd73bee0), k)
   Call: (208) [system] k=(\)
   Fail: (208) [system] k=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _423674)
   Call: (209) [system] peek_char((0x563acd73bee0), _424608)
   Exit: (209) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _423674=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (208) [system] _409738=[k]
   Exit: (208) [system] [k]=[k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (207) [system] _395802=[n, k]
   Exit: (207) [system] [n, k]=[n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (206) [system] _381866=[i, n, k]
   Exit: (206) [system] [i, n, k]=[i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (205) [system] _367930=['L', i, n, k]
   Exit: (205) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (204) [system] _353994=[r, 'L', i, n, k]
   Exit: (204) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (203) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _318484)
^  Call: (204) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _447862)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_448814, _448816), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _447862), _448796, fail)), '$restore_trace'(_448814, _448816))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_448814, _448816))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _447862), _448796, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(_447862)
   Fail: (205) [system] atomic(_447862)
   Call: (205) [system] atom_chars(_447862, ['O', r, 'L', i, n, k])
   Exit: (205) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (204) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (204) [system] integer('OrLink')
   Fail: (204) [system] integer('OrLink')
   Call: (204) [system] _318484='OrLink'
   Exit: (204) [system] 'OrLink'='OrLink'
^  Exit: (203) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (202) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (201) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (201) [user] read_list(')', (0x563acd73bee0), _462812)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _464670)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x563acd73bee0), _474264)
   Exit: (203) [system] get_char((0x563acd73bee0), ' ')
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _476968)
   Exit: (204) [system] peek_char((0x563acd73bee0), 'C')
   Call: (204) [system] 'C'=(;)
   Fail: (204) [system] 'C'=(;)
   Call: (204) [system] 'C'=(/)
   Fail: (204) [system] 'C'=(/)
^  Call: (204) [user] is_like_space('C')
   Call: (205) [system] char_type('C', 'white')
   Fail: (205) [system] char_type('C', 'white')
   Call: (205) [system] char_type('C', end_of_line)
   Fail: (205) [system] char_type('C', end_of_line)
   Call: (205) [system] char_type('C', space)
   Fail: (205) [system] char_type('C', space)
   Call: (205) [system] char_type('C', cntrl)
   Fail: (205) [system] char_type('C', cntrl)
^  Fail: (204) [user] is_like_space('C')
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _493902)
   Exit: (202) [system] peek_char((0x563acd73bee0), 'C')
   Call: (202) [system] 'C'=')'
   Fail: (202) [system] 'C'=')'
   Call: (202) [system] 'C'=end_of_file
   Fail: (202) [system] 'C'=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x563acd73bee0), _499472)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _501330)
   Exit: (204) [system] peek_char((0x563acd73bee0), 'C')
   Call: (204) [system] 'C'=(;)
   Fail: (204) [system] 'C'=(;)
   Call: (204) [system] 'C'=(/)
   Fail: (204) [system] 'C'=(/)
^  Call: (204) [user] is_like_space('C')
   Call: (205) [system] char_type('C', 'white')
   Fail: (205) [system] char_type('C', 'white')
   Call: (205) [system] char_type('C', end_of_line)
   Fail: (205) [system] char_type('C', end_of_line)
   Call: (205) [system] char_type('C', space)
   Fail: (205) [system] char_type('C', space)
   Call: (205) [system] char_type('C', cntrl)
   Fail: (205) [system] char_type('C', cntrl)
^  Fail: (204) [user] is_like_space('C')
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] get_char((0x563acd73bee0), _517340)
   Exit: (203) [system] get_char((0x563acd73bee0), 'C')
   Call: (203) [system] 'C'='('
   Fail: (203) [system] 'C'='('
   Call: (203) [system] 'C'='['
   Fail: (203) [system] 'C'='['
   Call: (203) [system] 'C'='{'
   Fail: (203) [system] 'C'='{'
   Call: (203) [system] 'C'='"'
   Fail: (203) [system] 'C'='"'
   Call: (203) [system] 'C'=!
   Fail: (203) [system] 'C'=!
   Call: (203) [system] 'C'='\''
   Fail: (203) [system] 'C'='\''
   Call: (203) [system] 'C'='`'
   Fail: (203) [system] 'C'='`'
   Call: (203) [system] 'C'=end_of_file
   Fail: (203) [system] 'C'=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x563acd73bee0), 'C', _499472)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _534982)
   Call: (205) [system] peek_char((0x563acd73bee0), _535916)
   Exit: (205) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _534982=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (204) [user] classify_and_convert_charseq(['C'], _499472)
^  Call: (205) [user] classify_and_convert_charseq_(['C'], _545200)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_546152, _546154), once(user:catch(read_from_chars(['C'], _545200), _546134, fail)), '$restore_trace'(_546152, _546154))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_546152, _546154))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _545200), _546134, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(_545200)
   Fail: (206) [system] atomic(_545200)
   Call: (206) [system] atom_chars(_545200, ['C'])
   Exit: (206) [system] atom_chars('C', ['C'])
^  Exit: (205) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (205) [system] integer('C')
   Fail: (205) [system] integer('C')
   Call: (205) [system] _499472='C'
   Exit: (205) [system] 'C'='C'
^  Exit: (204) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (203) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (202) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (202) [user] read_list(')', (0x563acd73bee0), _560150)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _562008)
   Exit: (204) [system] peek_char((0x563acd73bee0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x563acd73bee0), _571602)
   Exit: (204) [system] get_char((0x563acd73bee0), ' ')
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _574306)
   Exit: (205) [system] peek_char((0x563acd73bee0), 'D')
   Call: (205) [system] 'D'=(;)
   Fail: (205) [system] 'D'=(;)
   Call: (205) [system] 'D'=(/)
   Fail: (205) [system] 'D'=(/)
^  Call: (205) [user] is_like_space('D')
   Call: (206) [system] char_type('D', 'white')
   Fail: (206) [system] char_type('D', 'white')
   Call: (206) [system] char_type('D', end_of_line)
   Fail: (206) [system] char_type('D', end_of_line)
   Call: (206) [system] char_type('D', space)
   Fail: (206) [system] char_type('D', space)
   Call: (206) [system] char_type('D', cntrl)
   Fail: (206) [system] char_type('D', cntrl)
^  Fail: (205) [user] is_like_space('D')
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _591240)
   Exit: (203) [system] peek_char((0x563acd73bee0), 'D')
   Call: (203) [system] 'D'=')'
   Fail: (203) [system] 'D'=')'
   Call: (203) [system] 'D'=end_of_file
   Fail: (203) [system] 'D'=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x563acd73bee0), _596810)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _598668)
   Exit: (205) [system] peek_char((0x563acd73bee0), 'D')
   Call: (205) [system] 'D'=(;)
   Fail: (205) [system] 'D'=(;)
   Call: (205) [system] 'D'=(/)
   Fail: (205) [system] 'D'=(/)
^  Call: (205) [user] is_like_space('D')
   Call: (206) [system] char_type('D', 'white')
   Fail: (206) [system] char_type('D', 'white')
   Call: (206) [system] char_type('D', end_of_line)
   Fail: (206) [system] char_type('D', end_of_line)
   Call: (206) [system] char_type('D', space)
   Fail: (206) [system] char_type('D', space)
   Call: (206) [system] char_type('D', cntrl)
   Fail: (206) [system] char_type('D', cntrl)
^  Fail: (205) [user] is_like_space('D')
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] get_char((0x563acd73bee0), _614678)
   Exit: (204) [system] get_char((0x563acd73bee0), 'D')
   Call: (204) [system] 'D'='('
   Fail: (204) [system] 'D'='('
   Call: (204) [system] 'D'='['
   Fail: (204) [system] 'D'='['
   Call: (204) [system] 'D'='{'
   Fail: (204) [system] 'D'='{'
   Call: (204) [system] 'D'='"'
   Fail: (204) [system] 'D'='"'
   Call: (204) [system] 'D'=!
   Fail: (204) [system] 'D'=!
   Call: (204) [system] 'D'='\''
   Fail: (204) [system] 'D'='\''
   Call: (204) [system] 'D'='`'
   Fail: (204) [system] 'D'='`'
   Call: (204) [system] 'D'=end_of_file
   Fail: (204) [system] 'D'=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x563acd73bee0), 'D', _596810)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _632320)
   Call: (206) [system] peek_char((0x563acd73bee0), _633254)
   Exit: (206) [system] peek_char((0x563acd73bee0), ')')
^  Call: (206) [user] is_delimiter(')')
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] arg(_637974, v('(', ')', end_of_file), ')')
   Exit: (207) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (206) [user] is_delimiter(')')
   Call: (206) [system] _632320=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (205) [user] classify_and_convert_charseq(['D'], _596810)
^  Call: (206) [user] classify_and_convert_charseq_(['D'], _644410)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_645362, _645364), once(user:catch(read_from_chars(['D'], _644410), _645344, fail)), '$restore_trace'(_645362, _645364))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_645362, _645364))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _644410), _645344, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(_644410)
   Fail: (207) [system] atomic(_644410)
   Call: (207) [system] atom_chars(_644410, ['D'])
   Exit: (207) [system] atom_chars('D', ['D'])
^  Exit: (206) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (206) [system] integer('D')
   Fail: (206) [system] integer('D')
   Call: (206) [system] _596810='D'
   Exit: (206) [system] 'D'='D'
^  Exit: (205) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (204) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'D')
^  Exit: (203) [user] cont_sexpr(')', (0x563acd73bee0), 'D')
^  Call: (203) [user] read_list(')', (0x563acd73bee0), _659360)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _661218)
   Exit: (205) [system] peek_char((0x563acd73bee0), ')')
   Call: (205) [system] ')'=(;)
   Fail: (205) [system] ')'=(;)
   Call: (205) [system] ')'=(/)
   Fail: (205) [system] ')'=(/)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Fail: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Fail: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
   Fail: (206) [system] char_type(')', cntrl)
^  Fail: (205) [user] is_like_space(')')
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _677228)
   Exit: (204) [system] peek_char((0x563acd73bee0), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x563acd73bee0), _681018)
   Exit: (204) [system] get_char((0x563acd73bee0), ')')
   Call: (204) [system] _659360=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x563acd73bee0), [])
   Call: (203) [system] _560150=['D']
   Exit: (203) [system] ['D']=['D']
^  Exit: (202) [user] read_list(')', (0x563acd73bee0), ['D'])
   Call: (202) [system] _462812=['C', 'D']
   Exit: (202) [system] ['C', 'D']=['C', 'D']
^  Exit: (201) [user] read_list(')', (0x563acd73bee0), ['C', 'D'])
   Call: (201) [system] _273466=['OrLink', 'C', 'D']
   Exit: (201) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), ['OrLink', 'C', 'D'])
^  Exit: (199) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', 'C', 'D'])
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _694900)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _696758)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _706352)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _709056)
   Exit: (202) [system] peek_char((0x563acd73bee0), 'E')
   Call: (202) [system] 'E'=(;)
   Fail: (202) [system] 'E'=(;)
   Call: (202) [system] 'E'=(/)
   Fail: (202) [system] 'E'=(/)
^  Call: (202) [user] is_like_space('E')
   Call: (203) [system] char_type('E', 'white')
   Fail: (203) [system] char_type('E', 'white')
   Call: (203) [system] char_type('E', end_of_line)
   Fail: (203) [system] char_type('E', end_of_line)
   Call: (203) [system] char_type('E', space)
   Fail: (203) [system] char_type('E', space)
   Call: (203) [system] char_type('E', cntrl)
   Fail: (203) [system] char_type('E', cntrl)
^  Fail: (202) [user] is_like_space('E')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _725990)
   Exit: (200) [system] peek_char((0x563acd73bee0), 'E')
   Call: (200) [system] 'E'=')'
   Fail: (200) [system] 'E'=')'
   Call: (200) [system] 'E'=end_of_file
   Fail: (200) [system] 'E'=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x563acd73bee0), _731560)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _733418)
   Exit: (202) [system] peek_char((0x563acd73bee0), 'E')
   Call: (202) [system] 'E'=(;)
   Fail: (202) [system] 'E'=(;)
   Call: (202) [system] 'E'=(/)
   Fail: (202) [system] 'E'=(/)
^  Call: (202) [user] is_like_space('E')
   Call: (203) [system] char_type('E', 'white')
   Fail: (203) [system] char_type('E', 'white')
   Call: (203) [system] char_type('E', end_of_line)
   Fail: (203) [system] char_type('E', end_of_line)
   Call: (203) [system] char_type('E', space)
   Fail: (203) [system] char_type('E', space)
   Call: (203) [system] char_type('E', cntrl)
   Fail: (203) [system] char_type('E', cntrl)
^  Fail: (202) [user] is_like_space('E')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] get_char((0x563acd73bee0), _749428)
   Exit: (201) [system] get_char((0x563acd73bee0), 'E')
   Call: (201) [system] 'E'='('
   Fail: (201) [system] 'E'='('
   Call: (201) [system] 'E'='['
   Fail: (201) [system] 'E'='['
   Call: (201) [system] 'E'='{'
   Fail: (201) [system] 'E'='{'
   Call: (201) [system] 'E'='"'
   Fail: (201) [system] 'E'='"'
   Call: (201) [system] 'E'=!
   Fail: (201) [system] 'E'=!
   Call: (201) [system] 'E'='\''
   Fail: (201) [system] 'E'='\''
   Call: (201) [system] 'E'='`'
   Fail: (201) [system] 'E'='`'
   Call: (201) [system] 'E'=end_of_file
   Fail: (201) [system] 'E'=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x563acd73bee0), 'E', _731560)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _767070)
   Call: (203) [system] peek_char((0x563acd73bee0), _768004)
   Exit: (203) [system] peek_char((0x563acd73bee0), ')')
^  Call: (203) [user] is_delimiter(')')
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] arg(_772724, v('(', ')', end_of_file), ')')
   Exit: (204) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (203) [user] is_delimiter(')')
   Call: (203) [system] _767070=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (202) [user] classify_and_convert_charseq(['E'], _731560)
^  Call: (203) [user] classify_and_convert_charseq_(['E'], _779160)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_780112, _780114), once(user:catch(read_from_chars(['E'], _779160), _780094, fail)), '$restore_trace'(_780112, _780114))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_780112, _780114))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _779160), _780094, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(_779160)
   Fail: (204) [system] atomic(_779160)
   Call: (204) [system] atom_chars(_779160, ['E'])
   Exit: (204) [system] atom_chars('E', ['E'])
^  Exit: (203) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (203) [system] integer('E')
   Fail: (203) [system] integer('E')
   Call: (203) [system] _731560='E'
   Exit: (203) [system] 'E'='E'
^  Exit: (202) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (201) [user] read_symbolic(')', (0x563acd73bee0), 'E', 'E')
^  Exit: (200) [user] cont_sexpr(')', (0x563acd73bee0), 'E')
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _794110)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _795968)
   Exit: (202) [system] peek_char((0x563acd73bee0), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
   Call: (202) [system] ')'=(/)
   Fail: (202) [system] ')'=(/)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _811978)
   Exit: (201) [system] peek_char((0x563acd73bee0), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x563acd73bee0), _815768)
   Exit: (201) [system] get_char((0x563acd73bee0), ')')
   Call: (201) [system] _794110=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), [])
   Call: (200) [system] _694900=['E']
   Exit: (200) [system] ['E']=['E']
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), ['E'])
   Call: (199) [system] _236806=[['OrLink', 'C', 'D'], 'E']
   Exit: (199) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (198) [user] read_list(')', (0x563acd73bee0), [['OrLink', 'C', 'D'], 'E'])
   Call: (198) [system] _3516=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (198) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (197) [user] read_list(')', (0x563acd73bee0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (196) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (196) [user] read_list(')', (0x563acd73bee0), _829650)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _831508)
   Exit: (198) [system] peek_char((0x563acd73bee0), ')')
   Call: (198) [system] ')'=(;)
   Fail: (198) [system] ')'=(;)
   Call: (198) [system] ')'=(/)
   Fail: (198) [system] ')'=(/)
^  Call: (198) [user] is_like_space(')')
   Call: (199) [system] char_type(')', 'white')
   Fail: (199) [system] char_type(')', 'white')
   Call: (199) [system] char_type(')', end_of_line)
   Fail: (199) [system] char_type(')', end_of_line)
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] char_type(')', cntrl)
   Fail: (199) [system] char_type(')', cntrl)
^  Fail: (198) [user] is_like_space(')')
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _847518)
   Exit: (197) [system] peek_char((0x563acd73bee0), ')')
   Call: (197) [system] ')'=')'
   Exit: (197) [system] ')'=')'
   Call: (197) [system] get_char((0x563acd73bee0), _851308)
   Exit: (197) [system] get_char((0x563acd73bee0), ')')
   Call: (197) [system] _829650=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_list(')', (0x563acd73bee0), [])
   Call: (196) [system] _3512=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (196) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (195) [system] _3506=[cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (195) [system] [cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]=[cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), [cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (194) [system] _3498=[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (194) [system] [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]=[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (192) [user] cont_sexpr(')', (0x563acd73bee0), [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _865190)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _867048)
   Exit: (194) [system] peek_char((0x563acd73bee0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
   Call: (194) [system] ')'=(/)
   Fail: (194) [system] ')'=(/)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _883058)
   Exit: (193) [system] peek_char((0x563acd73bee0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x563acd73bee0), _886848)
   Exit: (193) [system] get_char((0x563acd73bee0), ')')
   Call: (193) [system] _865190=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), [])
   Call: (192) [system] _3494=[[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (192) [system] [[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (191) [user] read_list(')', (0x563acd73bee0), [[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (191) [system] _3470=[[:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (191) [system] [[:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[[:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (190) [user] read_list(')', (0x563acd73bee0), [[:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (190) [system] _3446=[[:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (190) [system] [[:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[[:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (189) [user] read_list(')', (0x563acd73bee0), [[:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (189) [system] _3384=[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (189) [system] [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (188) [user] read_list(')', (0x563acd73bee0), [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (187) [user] cont_sexpr(')', (0x563acd73bee0), [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (187) [user] read_list(')', (0x563acd73bee0), _903524)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _905382)
   Exit: (189) [system] peek_char((0x563acd73bee0), ')')
   Call: (189) [system] ')'=(;)
   Fail: (189) [system] ')'=(;)
   Call: (189) [system] ')'=(/)
   Fail: (189) [system] ')'=(/)
^  Call: (189) [user] is_like_space(')')
   Call: (190) [system] char_type(')', 'white')
   Fail: (190) [system] char_type(')', 'white')
   Call: (190) [system] char_type(')', end_of_line)
   Fail: (190) [system] char_type(')', end_of_line)
   Call: (190) [system] char_type(')', space)
   Fail: (190) [system] char_type(')', space)
   Call: (190) [system] char_type(')', cntrl)
   Fail: (190) [system] char_type(')', cntrl)
^  Fail: (189) [user] is_like_space(')')
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _921392)
   Exit: (188) [system] peek_char((0x563acd73bee0), ')')
   Call: (188) [system] ')'=')'
   Exit: (188) [system] ')'=')'
   Call: (188) [system] get_char((0x563acd73bee0), _925182)
   Exit: (188) [system] get_char((0x563acd73bee0), ')')
   Call: (188) [system] _903524=[]
   Exit: (188) [system] []=[]
^  Exit: (187) [user] read_list(')', (0x563acd73bee0), [])
   Call: (187) [system] _3380=[[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (187) [system] [[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (186) [user] read_list(')', (0x563acd73bee0), [[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (186) [system] _3368=[[kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (186) [system] [[kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[[kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (185) [user] read_list(')', (0x563acd73bee0), [[kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (185) [system] _3360=[assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (185) [system] [assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (184) [user] read_list(')', (0x563acd73bee0), [assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Exit: (183) [user] cont_sexpr(')', (0x563acd73bee0), [assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Exit: (182) [user] read_sexpr((0x563acd73bee0), [assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (182) [system] _3324=exec([assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Exit: (182) [system] exec([assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])=exec([assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Exit: (181) [user] cont_sexpr(')', (0x563acd73bee0), exec([assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]))
^  Exit: (180) [user] read_sexpr((0x563acd73bee0), exec([assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]))
^  Call: (180) [user] assertz(metta_file_comment(100, 0, 4111, exec([assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]), '$stream_position'(4111, 100, 0, 4111)))
^  Exit: (180) [user] assertz(metta_file_comment(100, 0, 4111, exec([assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]), '$stream_position'(4111, 100, 0, 4111)))
^  Exit: (178) [system] once(user:(read_position((0x563acd73bee0), 100, 0, 4111, '$stream_position'(4111, 100, 0, 4111)), read_sexpr((0x563acd73bee0), exec([assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])), assertz(metta_file_comment(100, 0, 4111, exec([assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]), '$stream_position'(4111, 100, 0, 4111)))))
   Call: (178) [system] fail
^  Call: (178) [user] retract(metta_file_comment(_947420, _947422, _947424, _947426, _947428))
^  Exit: (178) [user] retract(metta_file_comment(18, 0, 367, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], '$stream_position'(367, 18, 0, 367)))
^  Call: (178) [user] trly(untyped_to_metta, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _3084)
^  Call: (179) [user] once(call(untyped_to_metta, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _950332))
^  Call: (180) [user] call(untyped_to_metta, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _950332)
^  Call: (181) [user] untyped_to_metta([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _950332)
^  Call: (182) [user] must_det_ll(trly(mfix_vars1, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _953148))
^  Call: (183) [user] once(user:trly(mfix_vars1, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _953148))
^  Call: (184) [user] trly(mfix_vars1, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _953148)
^  Call: (185) [user] once(call(mfix_vars1, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _955948))
^  Call: (186) [user] call(mfix_vars1, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _955948)
^  Call: (187) [user] mfix_vars1([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _955948)
   Call: (188) [system] var([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
   Call: (188) [system] atom([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
   Call: (188) [system] [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]==true
   Call: (188) [system] [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]==false
   Call: (188) [system] (:)=='['
   Call: (188) [system] (:)=='{'
   Call: (188) [system] is_list([synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
   Exit: (188) [system] is_list([synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
   Call: (188) [lists] lists:last([synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _966170)
   Call: (189) [lists] lists:last_([[->, _a, [->, _kt], [->, _rt], 'Nat', _a]], synthesize, _966170)
   Call: (190) [lists] lists:last_([], [->, _a, [->, _kt], [->, _rt], 'Nat', _a], _966170)
   Exit: (190) [lists] lists:last_([], [->, _a, [->, _kt], [->, _rt], 'Nat', _a], [->, _a, [->, _kt], [->, _rt], 'Nat', _a])
   Exit: (189) [lists] lists:last_([[->, _a, [->, _kt], [->, _rt], 'Nat', _a]], synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a])
   Exit: (188) [lists] lists:last([synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [->, _a, [->, _kt], [->, _rt], 'Nat', _a])
   Call: (188) [system] [->, _a, [->, _kt], [->, _rt], 'Nat', _a]=='}'
   Call: (188) [system] [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]==[_972686, _972692]
   Call: (188) [system] fail
   Call: (188) [system] is_list([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
   Exit: (188) [system] is_list([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Call: (188) [user] apply:maplist(mfix_vars1, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _955948)
   Call: (189) [apply] apply:maplist_([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _955948, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(:, _978266)
   Call: (191) [system] var(:)
   Call: (191) [system] atom(:)
   Exit: (191) [system] atom(:)
^  Call: (191) [user] symbol_concat($, _981974, :)
   Call: (192) [system] atom_concat($, _981974, :)
   Fail: (192) [system] atom_concat($, _981974, :)
^  Fail: (191) [user] symbol_concat($, _981974, :)
   Call: (191) [system] (:)==true
   Call: (191) [system] (:)==false
   Call: (191) [system] (:)==[_987562, _987568]
   Call: (191) [system] is_list(:)
   Call: (191) [system] string(:)
   Call: (191) [system] compound(:)
^  Call: (191) [user] symbol(:)
   Call: (192) [system] atom(:)
   Exit: (192) [system] atom(:)
^  Exit: (191) [user] symbol(:)
^  Exit: (190) [user] mfix_vars1(:, :)
   Call: (190) [apply] apply:maplist_([synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _978268, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(synthesize, _996830)
   Call: (192) [system] var(synthesize)
   Call: (192) [system] atom(synthesize)
   Exit: (192) [system] atom(synthesize)
^  Call: (192) [user] symbol_concat($, _1000538, synthesize)
   Call: (193) [system] atom_concat($, _1000538, synthesize)
   Fail: (193) [system] atom_concat($, _1000538, synthesize)
^  Fail: (192) [user] symbol_concat($, _1000538, synthesize)
   Call: (192) [system] synthesize==true
   Call: (192) [system] synthesize==false
   Call: (192) [system] synthesize==[_1006126, _1006132]
   Call: (192) [system] is_list(synthesize)
   Call: (192) [system] string(synthesize)
   Call: (192) [system] compound(synthesize)
^  Call: (192) [user] symbol(synthesize)
   Call: (193) [system] atom(synthesize)
   Exit: (193) [system] atom(synthesize)
^  Exit: (192) [user] symbol(synthesize)
^  Exit: (191) [user] mfix_vars1(synthesize, synthesize)
   Call: (191) [apply] apply:maplist_([[->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _996832, user:mfix_vars1)
^  Call: (192) [user] mfix_vars1([->, _a, [->, _kt], [->, _rt], 'Nat', _a], _1015394)
   Call: (193) [system] var([->, _a, [->, _kt], [->, _rt], 'Nat', _a])
   Call: (193) [system] atom([->, _a, [->, _kt], [->, _rt], 'Nat', _a])
   Call: (193) [system] [->, _a, [->, _kt], [->, _rt], 'Nat', _a]==true
   Call: (193) [system] [->, _a, [->, _kt], [->, _rt], 'Nat', _a]==false
   Call: (193) [system] (->)=='['
   Call: (193) [system] (->)=='{'
   Call: (193) [system] is_list([_a, [->, _kt], [->, _rt], 'Nat', _a])
   Exit: (193) [system] is_list([_a, [->, _kt], [->, _rt], 'Nat', _a])
   Call: (193) [lists] lists:last([_a, [->, _kt], [->, _rt], 'Nat', _a], _1023738)
   Call: (194) [lists] lists:last_([[->, _kt], [->, _rt], 'Nat', _a], _a, _1023738)
   Call: (195) [lists] lists:last_([[->, _rt], 'Nat', _a], [->, _kt], _1023738)
   Call: (196) [lists] lists:last_(['Nat', _a], [->, _rt], _1023738)
   Call: (197) [lists] lists:last_([_a], 'Nat', _1023738)
   Call: (198) [lists] lists:last_([], _a, _1023738)
   Exit: (198) [lists] lists:last_([], _a, _a)
   Exit: (197) [lists] lists:last_([_a], 'Nat', _a)
   Exit: (196) [lists] lists:last_(['Nat', _a], [->, _rt], _a)
   Exit: (195) [lists] lists:last_([[->, _rt], 'Nat', _a], [->, _kt], _a)
   Exit: (194) [lists] lists:last_([[->, _kt], [->, _rt], 'Nat', _a], _a, _a)
   Exit: (193) [lists] lists:last([_a, [->, _kt], [->, _rt], 'Nat', _a], _a)
   Call: (193) [system] _a=='}'
   Call: (193) [system] [->, _a, [->, _kt], [->, _rt], 'Nat', _a]==[_1035846, _1035852]
   Call: (193) [system] fail
   Call: (193) [system] is_list([->, _a, [->, _kt], [->, _rt], 'Nat', _a])
   Exit: (193) [system] is_list([->, _a, [->, _kt], [->, _rt], 'Nat', _a])
^  Call: (193) [user] apply:maplist(mfix_vars1, [->, _a, [->, _kt], [->, _rt], 'Nat', _a], _1015394)
   Call: (194) [apply] apply:maplist_([->, _a, [->, _kt], [->, _rt], 'Nat', _a], _1015394, user:mfix_vars1)
^  Call: (195) [user] mfix_vars1(->, _1041426)
   Call: (196) [system] var(->)
   Call: (196) [system] atom(->)
   Exit: (196) [system] atom(->)
^  Call: (196) [user] symbol_concat($, _1045134, ->)
   Call: (197) [system] atom_concat($, _1045134, ->)
   Fail: (197) [system] atom_concat($, _1045134, ->)
^  Fail: (196) [user] symbol_concat($, _1045134, ->)
   Call: (196) [system] (->)==true
   Call: (196) [system] (->)==false
   Call: (196) [system] (->)==[_1050722, _1050728]
   Call: (196) [system] is_list(->)
   Call: (196) [system] string(->)
   Call: (196) [system] compound(->)
^  Call: (196) [user] symbol(->)
   Call: (197) [system] atom(->)
   Exit: (197) [system] atom(->)
^  Exit: (196) [user] symbol(->)
^  Exit: (195) [user] mfix_vars1(->, ->)
   Call: (195) [apply] apply:maplist_([_a, [->, _kt], [->, _rt], 'Nat', _a], _1041428, user:mfix_vars1)
^  Call: (196) [user] mfix_vars1(_a, _1059990)
   Call: (197) [system] var(_a)
   Call: (197) [system] atom(_a)
   Call: (197) [system] _a==true
   Call: (197) [system] _a==false
   Call: (197) [system] _a==[_1064632, _1064638]
   Call: (197) [system] is_list(_a)
   Call: (197) [system] string(_a)
   Call: (197) [system] compound(_a)
   Exit: (197) [system] compound(_a)
   Call: (197) [system] compound_name_arguments(_a, _1069266, _1069268)
   Exit: (197) [system] compound_name_arguments(_a, '$VAR', ['_a'])
   Call: (197) [system] '$VAR'\=='$VAR'
^  Exit: (184) [user] trly(mfix_vars1, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (183) [system] once(user:trly(mfix_vars1, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]))
^  Exit: (182) [user] must_det_ll(user:trly(mfix_vars1, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]))
^  Call: (182) [user] must_det_ll(trly(cons_to_c, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1074860))
^  Call: (183) [user] once(user:trly(cons_to_c, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1074860))
^  Call: (184) [user] trly(cons_to_c, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1074860)
^  Call: (185) [user] once(call(cons_to_c, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1077660))
^  Call: (186) [user] call(cons_to_c, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1077660)
^  Call: (187) [user] cons_to_c([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1077660)
^  Call: (188) [user] no_cons_reduce
^  Exit: (188) [user] no_cons_reduce
^  Exit: (187) [user] cons_to_c([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (186) [system] call(user:cons_to_c, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (185) [system] once(user:call(cons_to_c, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]))
   Call: (185) [system] [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]\=@=[:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]
^  Exit: (184) [user] trly(cons_to_c, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (183) [system] once(user:trly(cons_to_c, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]))
^  Exit: (182) [user] must_det_ll(user:trly(cons_to_c, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]))
^  Call: (182) [user] must_det_ll(trly(cons_to_l, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _950332))
^  Call: (183) [user] once(user:trly(cons_to_l, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _950332))
^  Call: (184) [user] trly(cons_to_l, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _950332)
^  Call: (185) [user] once(call(cons_to_l, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1091618))
^  Call: (186) [user] call(cons_to_l, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1091618)
^  Call: (187) [user] cons_to_l([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1091618)
^  Call: (188) [user] no_cons_reduce
^  Exit: (188) [user] no_cons_reduce
^  Exit: (187) [user] cons_to_l([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (186) [system] call(user:cons_to_l, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (185) [system] once(user:call(cons_to_l, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]))
   Call: (185) [system] [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]\=@=[:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]
^  Exit: (184) [user] trly(cons_to_l, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (183) [system] once(user:trly(cons_to_l, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]))
^  Exit: (182) [user] must_det_ll(user:trly(cons_to_l, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]))
^  Exit: (181) [user] untyped_to_metta([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (180) [system] call(user:untyped_to_metta, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (179) [system] once(user:call(untyped_to_metta, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]))
   Call: (179) [system] [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]\=@=[:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]
^  Exit: (178) [user] trly(untyped_to_metta, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (177) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
   Call: (177) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])))
   Exit: (177) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])))
^  Exit: (176) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (175) [user] parse_sexpr_metta_IO((0x563acd73bee0), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (174) [user] parse_sexpr_metta_IO((0x563acd73bee0), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (171) [user] read_sform((0x563acd73bee0), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (170) [system] once(user:read_sform((0x563acd73bee0), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x563acd73bee0), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]))
   Call: (169) [system] [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]==end_of_file
   Fail: (169) [system] [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1727204596.0891678), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204596.0891678), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]), 98]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x563acd7397e0), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], ynthesize_long_1727204587_629323, 98)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1727204596.0891678), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204596.0891678), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]), 98]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1727204597.0781388)
   Call: (173) [system] arg(1, t(1727204596.0891678), _3148)
   Exit: (173) [system] arg(1, t(1727204596.0891678), 1727204596.0891678)
   Call: (173) [system] _3158 is 1727204597.0781388-1727204596.0891678
   Exit: (173) [system] 0.9889709949493408 is 1727204597.0781388-1727204596.0891678
   Call: (173) [system] 0.9889709949493408>4
   Fail: (173) [system] 0.9889709949493408>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1727204596.0891678), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204596.0891678), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]), 98]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 15)
   Call: (175) [system] atom(15+1)
   Call: (175) [system] set_flag(translated_forms, 16)
   Exit: (175) [system] set_flag(translated_forms, 16)
   Exit: (174) [$syspreds] update_flag(translated_forms, 15, 15+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 15, 15+1))
   Exit: (171) [$syspreds] flag(translated_forms, 15, 15+1)
^  Call: (171) [user] write_metta_datalog_term((0x563acd7397e0), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], ynthesize_long_1727204587_629323, 98)
^  Call: (172) [user] s2t_iz(ynthesize_long_1727204587_629323, _1144016, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1144018)
   Call: (173) [system] (:)==(:)
   Exit: (173) [system] (:)==(:)
   Call: (173) [system] is_list([->, _a, [->, _kt], [->, _rt], 'Nat', _a])
   Exit: (173) [system] is_list([->, _a, [->, _kt], [->, _rt], 'Nat', _a])
^  Call: (173) [user] mangle_iz(ynthesize_long_1727204587_629323, _1144016)
^  Call: (174) [user] symbol_concat(ynthesize_long_1727204587_629323, '_iz', _1144016)
   Call: (175) [system] atom_concat(ynthesize_long_1727204587_629323, '_iz', _1144016)
   Exit: (175) [system] atom_concat(ynthesize_long_1727204587_629323, '_iz', ynthesize_long_1727204587_629323_iz)
^  Exit: (174) [user] symbol_concat(ynthesize_long_1727204587_629323, '_iz', ynthesize_long_1727204587_629323_iz)
^  Exit: (173) [user] mangle_iz(ynthesize_long_1727204587_629323, ynthesize_long_1727204587_629323_iz)
^  Call: (173) [user] apply:maplist(s2t, [->, _a, [->, _kt], [->, _rt], 'Nat', _a], _1144960)
   Call: (174) [apply] apply:maplist_([->, _a, [->, _kt], [->, _rt], 'Nat', _a], _1144960, user:s2t)
^  Call: (175) [user] s2t(->, _1156128)
   Call: (176) [system] compound(->)
   Call: (176) [system] (->)=_1156128
   Exit: (176) [system] (->)=(->)
^  Exit: (175) [user] s2t(->, ->)
   Call: (175) [apply] apply:maplist_([_a, [->, _kt], [->, _rt], 'Nat', _a], _1156130, user:s2t)
^  Call: (176) [user] s2t(_a, _1161702)
   Call: (177) [system] compound(_a)
   Exit: (177) [system] compound(_a)
   Call: (177) [system] is_list(_a)
^  Call: (177) [user] s2tl(_a, _1161702)
   Call: (178) [system] compound(_a)
   Exit: (178) [system] compound(_a)
^  Exit: (177) [user] s2tl(_a, _a)
^  Exit: (176) [user] s2t(_a, _a)
   Call: (176) [apply] apply:maplist_([[->, _kt], [->, _rt], 'Nat', _a], _1161704, user:s2t)
^  Call: (177) [user] s2t([->, _kt], _1170972)
   Call: (178) [system] compound([->, _kt])
   Exit: (178) [system] compound([->, _kt])
   Call: (178) [system] (->)==(->)
   Exit: (178) [system] (->)==(->)
^  Call: (178) [user] s2tl([_kt], _1175608)
   Call: (179) [system] compound([_kt])
   Exit: (179) [system] compound([_kt])
^  Call: (179) [user] s2t(_kt, _1178388)
   Call: (180) [system] compound(_kt)
   Exit: (180) [system] compound(_kt)
   Call: (180) [system] is_list(_kt)
^  Call: (180) [user] s2tl(_kt, _1178388)
   Call: (181) [system] compound(_kt)
   Exit: (181) [system] compound(_kt)
^  Exit: (180) [user] s2tl(_kt, _kt)
^  Exit: (179) [user] s2t(_kt, _kt)
^  Call: (179) [user] s2tl([], _1178390)
   Call: (180) [system] compound([])
   Call: (180) [system] []=_1178390
   Exit: (180) [system] []=[]
^  Exit: (179) [user] s2tl([], [])
^  Exit: (178) [user] s2tl([_kt], [_kt])
   Call: (178) [system] _1170972=..[->, [_kt]]
   Exit: (178) [system] ->([_kt])=..[->, [_kt]]
^  Exit: (177) [user] s2t([->, _kt], ->([_kt]))
   Call: (177) [apply] apply:maplist_([[->, _rt], 'Nat', _a], _1170974, user:s2t)
^  Call: (178) [user] s2t([->, _rt], _1196022)
   Call: (179) [system] compound([->, _rt])
   Exit: (179) [system] compound([->, _rt])
   Call: (179) [system] (->)==(->)
   Exit: (179) [system] (->)==(->)
^  Call: (179) [user] s2tl([_rt], _1200658)
   Call: (180) [system] compound([_rt])
   Exit: (180) [system] compound([_rt])
^  Call: (180) [user] s2t(_rt, _1203438)
   Call: (181) [system] compound(_rt)
   Exit: (181) [system] compound(_rt)
   Call: (181) [system] is_list(_rt)
^  Call: (181) [user] s2tl(_rt, _1203438)
   Call: (182) [system] compound(_rt)
   Exit: (182) [system] compound(_rt)
^  Exit: (181) [user] s2tl(_rt, _rt)
^  Exit: (180) [user] s2t(_rt, _rt)
^  Call: (180) [user] s2tl([], _1203440)
   Call: (181) [system] compound([])
   Call: (181) [system] []=_1203440
   Exit: (181) [system] []=[]
^  Exit: (180) [user] s2tl([], [])
^  Exit: (179) [user] s2tl([_rt], [_rt])
   Call: (179) [system] _1196022=..[->, [_rt]]
   Exit: (179) [system] ->([_rt])=..[->, [_rt]]
^  Exit: (178) [user] s2t([->, _rt], ->([_rt]))
   Call: (178) [apply] apply:maplist_(['Nat', _a], _1196024, user:s2t)
^  Call: (179) [user] s2t('Nat', _1221072)
   Call: (180) [system] compound('Nat')
   Call: (180) [system] 'Nat'=_1221072
   Exit: (180) [system] 'Nat'='Nat'
^  Exit: (179) [user] s2t('Nat', 'Nat')
   Call: (179) [apply] apply:maplist_([_a], _1221074, user:s2t)
^  Call: (180) [user] s2t(_a, _1226646)
   Call: (181) [system] compound(_a)
   Exit: (181) [system] compound(_a)
   Call: (181) [system] is_list(_a)
^  Call: (181) [user] s2tl(_a, _1226646)
   Call: (182) [system] compound(_a)
   Exit: (182) [system] compound(_a)
^  Exit: (181) [user] s2tl(_a, _a)
^  Exit: (180) [user] s2t(_a, _a)
   Call: (180) [apply] apply:maplist_([], _1226648, user:s2t)
   Exit: (180) [apply] apply:maplist_([], [], user:s2t)
   Exit: (179) [apply] apply:maplist_([_a], [_a], user:s2t)
   Exit: (178) [apply] apply:maplist_(['Nat', _a], ['Nat', _a], user:s2t)
   Exit: (177) [apply] apply:maplist_([[->, _rt], 'Nat', _a], [->([_rt]), 'Nat', _a], user:s2t)
   Exit: (176) [apply] apply:maplist_([[->, _kt], [->, _rt], 'Nat', _a], [->([_kt]), ->([_rt]), 'Nat', _a], user:s2t)
   Exit: (175) [apply] apply:maplist_([_a, [->, _kt], [->, _rt], 'Nat', _a], [_a, ->([_kt]), ->([_rt]), 'Nat', _a], user:s2t)
   Exit: (174) [apply] apply:maplist_([->, _a, [->, _kt], [->, _rt], 'Nat', _a], [->, _a, ->([_kt]), ->([_rt]), 'Nat', _a], user:s2t)
^  Exit: (173) [apply] apply:maplist(user:s2t, [->, _a, [->, _kt], [->, _rt], 'Nat', _a], [->, _a, ->([_kt]), ->([_rt]), 'Nat', _a])
^  Exit: (172) [user] s2t_iz(ynthesize_long_1727204587_629323, ynthesize_long_1727204587_629323_iz, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a])
^  Call: (172) [user] relistify([synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a], _1244312)
   Call: (173) [system] is_list([synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a])
   Exit: (173) [system] is_list([synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a])
   Call: (173) [system] _1244312=[synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a]
   Exit: (173) [system] [synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a]=[synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a]
^  Exit: (172) [user] relistify([synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a], [synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a])
   Call: (172) [system] _1249874=..[ynthesize_long_1727204587_629323_iz, 98, synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a]
   Exit: (172) [system] ynthesize_long_1727204587_629323_iz(98, synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a)=..[ynthesize_long_1727204587_629323_iz, 98, synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a]
^  Call: (172) [user] format((0x563acd7397e0), "~q.~n", [ynthesize_long_1727204587_629323_iz(98, synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a)])
^  Exit: (172) [user] format((0x563acd7397e0), "~q.~n", [ynthesize_long_1727204587_629323_iz(98, synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a)])
^  Exit: (171) [user] write_metta_datalog_term((0x563acd7397e0), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], ynthesize_long_1727204587_629323, 98)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1727204596.0891678), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204596.0891678), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]), 98]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 15, 15+1), write_metta_datalog_term((0x563acd7397e0), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], ynthesize_long_1727204587_629323, 98)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x563acd73bee0))
   Fail: (169) [system] at_end_of_stream((0x563acd73bee0))
^  Call: (169) [user] must_det_ll(line_count((0x563acd73bee0), _3074))
^  Call: (170) [user] once(user:line_count((0x563acd73bee0), _3074))
   Call: (171) [system] line_count((0x563acd73bee0), _3074)
   Exit: (171) [system] line_count((0x563acd73bee0), 105)
^  Exit: (170) [system] once(user:line_count((0x563acd73bee0), 105))
^  Exit: (169) [user] must_det_ll(user:line_count((0x563acd73bee0), 105))
^  Call: (169) [user] must_det_ll(read_sform((0x563acd73bee0), _3084))
^  Call: (170) [user] once(user:read_sform((0x563acd73bee0), _3084))
^  Call: (171) [user] read_sform((0x563acd73bee0), _3084)
   Call: (172) [system] string((0x563acd73bee0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
   Call: (173) [system] string((0x563acd73bee0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), _3084)
   Call: (174) [system] at_end_of_stream((0x563acd73bee0))
   Call: (174) [system] peek_char((0x563acd73bee0), _1275074)
   Exit: (174) [system] peek_char((0x563acd73bee0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x563acd73bee0), '\n')
   Exit: (174) [system] get_char((0x563acd73bee0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x563acd73bee0), _3084)
   Call: (175) [system] at_end_of_stream((0x563acd73bee0))
   Call: (175) [system] peek_char((0x563acd73bee0), _1282496)
   Exit: (175) [system] peek_char((0x563acd73bee0), '\n')
   Call: (175) [system] char_type('\n', space)
   Exit: (175) [system] char_type('\n', space)
   Call: (175) [system] get_char((0x563acd73bee0), '\n')
   Exit: (175) [system] get_char((0x563acd73bee0), '\n')
^  Call: (175) [user] parse_sexpr_metta_IO((0x563acd73bee0), _3084)
   Call: (176) [system] at_end_of_stream((0x563acd73bee0))
   Call: (176) [system] peek_char((0x563acd73bee0), _1289918)
   Exit: (176) [system] peek_char((0x563acd73bee0), '\n')
   Call: (176) [system] char_type('\n', space)
   Exit: (176) [system] char_type('\n', space)
   Call: (176) [system] get_char((0x563acd73bee0), '\n')
   Exit: (176) [system] get_char((0x563acd73bee0), '\n')
^  Call: (176) [user] parse_sexpr_metta_IO((0x563acd73bee0), _3084)
   Call: (177) [system] at_end_of_stream((0x563acd73bee0))
   Call: (177) [system] peek_char((0x563acd73bee0), _1297340)
   Exit: (177) [system] peek_char((0x563acd73bee0), '(')
   Call: (177) [system] char_type('(', space)
^  Call: (177) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
   Call: (178) [system] string((0x563acd73bee0))
^  Exit: (177) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
^  Call: (177) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), _3084)
^  Call: (178) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), _3084)
   Call: (179) [system] at_end_of_stream((0x563acd73bee0))
   Call: (179) [system] peek_char((0x563acd73bee0), _1305678)
   Exit: (179) [system] peek_char((0x563acd73bee0), '(')
   Call: (179) [system] char_type('(', space)
   Call: (179) [system] _1308464=(0x563acd73bee0)
   Exit: (179) [system] (0x563acd73bee0)=(0x563acd73bee0)
^  Call: (179) [user] once((read_position((0x563acd73bee0), _1310332, _1310334, _1310336, _1310338), read_sexpr((0x563acd73bee0), _1310350), assertz(metta_file_comment(_1310332, _1310334, _1310336, _1310350, _1310338))))
^  Call: (181) [user] read_position((0x563acd73bee0), _1310332, _1310334, _1310336, _1310338)
   Call: (182) [system] stream_property((0x563acd73bee0), position(_1310338))
   Call: (183) [system] nonvar((0x563acd73bee0))
   Exit: (183) [system] nonvar((0x563acd73bee0))
   Call: (183) [system] nonvar(position(_1310338))
   Exit: (183) [system] nonvar(position(_1310338))
   Exit: (182) [system] stream_property((0x563acd73bee0), position('$stream_position'(4259, 108, 0, 4259)))
   Call: (182) [$syspreds] stream_position_data(line_count, '$stream_position'(4259, 108, 0, 4259), _1310332)
   Call: (183) [system] nonvar(line_count)
   Exit: (183) [system] nonvar(line_count)
   Call: (183) [$syspreds] stream_position_field(line_count, _1320590)
   Exit: (183) [$syspreds] stream_position_field(line_count, 2)
   Call: (183) [system] arg(2, '$stream_position'(4259, 108, 0, 4259), _1310332)
   Exit: (183) [system] arg(2, '$stream_position'(4259, 108, 0, 4259), 108)
   Exit: (182) [$syspreds] stream_position_data(line_count, '$stream_position'(4259, 108, 0, 4259), 108)
   Call: (182) [$syspreds] stream_position_data(line_position, '$stream_position'(4259, 108, 0, 4259), _1310334)
   Call: (183) [system] nonvar(line_position)
   Exit: (183) [system] nonvar(line_position)
   Call: (183) [$syspreds] stream_position_field(line_position, _1328024)
   Exit: (183) [$syspreds] stream_position_field(line_position, 3)
   Call: (183) [system] arg(3, '$stream_position'(4259, 108, 0, 4259), _1310334)
   Exit: (183) [system] arg(3, '$stream_position'(4259, 108, 0, 4259), 0)
   Exit: (182) [$syspreds] stream_position_data(line_position, '$stream_position'(4259, 108, 0, 4259), 0)
   Call: (182) [$syspreds] stream_position_data(char_count, '$stream_position'(4259, 108, 0, 4259), _1310336)
   Call: (183) [system] nonvar(char_count)
   Exit: (183) [system] nonvar(char_count)
   Call: (183) [$syspreds] stream_position_field(char_count, _1335458)
   Exit: (183) [$syspreds] stream_position_field(char_count, 1)
   Call: (183) [system] arg(1, '$stream_position'(4259, 108, 0, 4259), _1310336)
   Exit: (183) [system] arg(1, '$stream_position'(4259, 108, 0, 4259), 4259)
   Exit: (182) [$syspreds] stream_position_data(char_count, '$stream_position'(4259, 108, 0, 4259), 4259)
^  Exit: (181) [user] read_position((0x563acd73bee0), 108, 0, 4259, '$stream_position'(4259, 108, 0, 4259))
^  Call: (181) [user] read_sexpr((0x563acd73bee0), _1310350)
   Call: (182) [system] string((0x563acd73bee0))
   Fail: (182) [system] string((0x563acd73bee0))
^  Call: (182) [user] cont_sexpr(')', (0x563acd73bee0), _1310350)
^  Call: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _1345684)
   Exit: (184) [system] peek_char((0x563acd73bee0), '(')
   Call: (184) [system] '('=(;)
   Fail: (184) [system] '('=(;)
   Call: (184) [system] '('=(/)
   Fail: (184) [system] '('=(/)
^  Call: (184) [user] is_like_space('(')
   Call: (185) [system] char_type('(', 'white')
   Fail: (185) [system] char_type('(', 'white')
   Call: (185) [system] char_type('(', end_of_line)
   Fail: (185) [system] char_type('(', end_of_line)
   Call: (185) [system] char_type('(', space)
   Fail: (185) [system] char_type('(', space)
   Call: (185) [system] char_type('(', cntrl)
   Fail: (185) [system] char_type('(', cntrl)
^  Fail: (184) [user] is_like_space('(')
^  Exit: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] get_char((0x563acd73bee0), _1361694)
   Exit: (183) [system] get_char((0x563acd73bee0), '(')
   Call: (183) [system] '('='('
   Exit: (183) [system] '('='('
^  Call: (183) [user] read_list(')', (0x563acd73bee0), _1310350)
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _1367264)
   Exit: (185) [system] peek_char((0x563acd73bee0), :)
   Call: (185) [system] (:)=(;)
   Fail: (185) [system] (:)=(;)
   Call: (185) [system] (:)=(/)
   Fail: (185) [system] (:)=(/)
^  Call: (185) [user] is_like_space(:)
   Call: (186) [system] char_type(:, 'white')
   Fail: (186) [system] char_type(:, 'white')
   Call: (186) [system] char_type(:, end_of_line)
   Fail: (186) [system] char_type(:, end_of_line)
   Call: (186) [system] char_type(:, space)
   Fail: (186) [system] char_type(:, space)
   Call: (186) [system] char_type(:, cntrl)
   Fail: (186) [system] char_type(:, cntrl)
^  Fail: (185) [user] is_like_space(:)
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _1383274)
   Exit: (184) [system] peek_char((0x563acd73bee0), :)
   Call: (184) [system] (:)=')'
   Fail: (184) [system] (:)=')'
   Call: (184) [system] (:)=end_of_file
   Fail: (184) [system] (:)=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x563acd73bee0), _1388844)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1390702)
   Exit: (186) [system] peek_char((0x563acd73bee0), :)
   Call: (186) [system] (:)=(;)
   Fail: (186) [system] (:)=(;)
   Call: (186) [system] (:)=(/)
   Fail: (186) [system] (:)=(/)
^  Call: (186) [user] is_like_space(:)
   Call: (187) [system] char_type(:, 'white')
   Fail: (187) [system] char_type(:, 'white')
   Call: (187) [system] char_type(:, end_of_line)
   Fail: (187) [system] char_type(:, end_of_line)
   Call: (187) [system] char_type(:, space)
   Fail: (187) [system] char_type(:, space)
   Call: (187) [system] char_type(:, cntrl)
   Fail: (187) [system] char_type(:, cntrl)
^  Fail: (186) [user] is_like_space(:)
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] get_char((0x563acd73bee0), _1406712)
   Exit: (185) [system] get_char((0x563acd73bee0), :)
   Call: (185) [system] (:)='('
   Fail: (185) [system] (:)='('
   Call: (185) [system] (:)='['
   Fail: (185) [system] (:)='['
   Call: (185) [system] (:)='{'
   Fail: (185) [system] (:)='{'
   Call: (185) [system] (:)='"'
   Fail: (185) [system] (:)='"'
   Call: (185) [system] (:)=!
   Fail: (185) [system] (:)=!
   Call: (185) [system] (:)='\''
   Fail: (185) [system] (:)='\''
   Call: (185) [system] (:)='`'
   Fail: (185) [system] (:)='`'
   Call: (185) [system] (:)=end_of_file
   Fail: (185) [system] (:)=end_of_file
^  Call: (185) [user] read_symbolic(')', (0x563acd73bee0), :, _1388844)
^  Call: (186) [user] read_symbolic_cont(')', (0x563acd73bee0), _1424354)
   Call: (187) [system] peek_char((0x563acd73bee0), _1425288)
   Exit: (187) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (187) [user] is_delimiter(' ')
   Call: (188) [system] char_type(' ', space)
   Exit: (188) [system] char_type(' ', space)
^  Exit: (187) [user] is_delimiter(' ')
   Call: (187) [system] _1424354=[]
   Exit: (187) [system] []=[]
^  Exit: (186) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (186) [user] classify_and_convert_charseq([:], _1388844)
^  Call: (187) [user] classify_and_convert_charseq_([:], _1434572)
^  Call: (189) [system] setup_call_cleanup('$notrace'(_1435524, _1435526), once(user:catch(read_from_chars([:], _1434572), _1435506, fail)), '$restore_trace'(_1435524, _1435526))
^  Call: (190) [system] sig_atomic(system:'$notrace'(_1435524, _1435526))
^  Exit: (189) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1435506, fail)), system:'$restore_trace'(3, -1))
   Call: (188) [system] atomic(:)
   Exit: (188) [system] atomic(:)
^  Exit: (187) [user] classify_and_convert_charseq_([:], :)
   Call: (187) [system] integer(:)
   Fail: (187) [system] integer(:)
   Call: (187) [system] _1388844=(:)
   Exit: (187) [system] (:)=(:)
^  Exit: (186) [user] classify_and_convert_charseq([:], :)
^  Exit: (185) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (184) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (184) [user] read_list(')', (0x563acd73bee0), _1447652)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1449510)
   Exit: (186) [system] peek_char((0x563acd73bee0), ' ')
   Call: (186) [system] ' '=(;)
   Fail: (186) [system] ' '=(;)
   Call: (186) [system] ' '=(/)
   Fail: (186) [system] ' '=(/)
^  Call: (186) [user] is_like_space(' ')
   Call: (187) [system] char_type(' ', 'white')
   Exit: (187) [system] char_type(' ', 'white')
^  Exit: (186) [user] is_like_space(' ')
   Call: (186) [system] get_char((0x563acd73bee0), _1459104)
   Exit: (186) [system] get_char((0x563acd73bee0), ' ')
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _1461808)
   Exit: (187) [system] peek_char((0x563acd73bee0), r)
   Call: (187) [system] r=(;)
   Fail: (187) [system] r=(;)
   Call: (187) [system] r=(/)
   Fail: (187) [system] r=(/)
^  Call: (187) [user] is_like_space(r)
   Call: (188) [system] char_type(r, 'white')
   Fail: (188) [system] char_type(r, 'white')
   Call: (188) [system] char_type(r, end_of_line)
   Fail: (188) [system] char_type(r, end_of_line)
   Call: (188) [system] char_type(r, space)
   Fail: (188) [system] char_type(r, space)
   Call: (188) [system] char_type(r, cntrl)
   Fail: (188) [system] char_type(r, cntrl)
^  Fail: (187) [user] is_like_space(r)
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _1478742)
   Exit: (185) [system] peek_char((0x563acd73bee0), r)
   Call: (185) [system] r=')'
   Fail: (185) [system] r=')'
   Call: (185) [system] r=end_of_file
   Fail: (185) [system] r=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x563acd73bee0), _1484312)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _1486170)
   Exit: (187) [system] peek_char((0x563acd73bee0), r)
   Call: (187) [system] r=(;)
   Fail: (187) [system] r=(;)
   Call: (187) [system] r=(/)
   Fail: (187) [system] r=(/)
^  Call: (187) [user] is_like_space(r)
   Call: (188) [system] char_type(r, 'white')
   Fail: (188) [system] char_type(r, 'white')
   Call: (188) [system] char_type(r, end_of_line)
   Fail: (188) [system] char_type(r, end_of_line)
   Call: (188) [system] char_type(r, space)
   Fail: (188) [system] char_type(r, space)
   Call: (188) [system] char_type(r, cntrl)
   Fail: (188) [system] char_type(r, cntrl)
^  Fail: (187) [user] is_like_space(r)
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] get_char((0x563acd73bee0), _1502180)
   Exit: (186) [system] get_char((0x563acd73bee0), r)
   Call: (186) [system] r='('
   Fail: (186) [system] r='('
   Call: (186) [system] r='['
   Fail: (186) [system] r='['
   Call: (186) [system] r='{'
   Fail: (186) [system] r='{'
   Call: (186) [system] r='"'
   Fail: (186) [system] r='"'
   Call: (186) [system] r=!
   Fail: (186) [system] r=!
   Call: (186) [system] r='\''
   Fail: (186) [system] r='\''
   Call: (186) [system] r='`'
   Fail: (186) [system] r='`'
   Call: (186) [system] r=end_of_file
   Fail: (186) [system] r=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x563acd73bee0), r, _1484312)
^  Call: (187) [user] read_symbolic_cont(')', (0x563acd73bee0), _1519822)
   Call: (188) [system] peek_char((0x563acd73bee0), _1520756)
   Exit: (188) [system] peek_char((0x563acd73bee0), b)
^  Call: (188) [user] is_delimiter(b)
   Call: (189) [system] char_type(b, space)
   Fail: (189) [system] char_type(b, space)
   Call: (189) [system] arg(_1525476, v('(', ')', end_of_file), b)
   Fail: (189) [system] arg(_1526408, v('(', ')', end_of_file), b)
^  Fail: (188) [user] is_delimiter(b)
   Call: (188) [system] ')'==b
   Fail: (188) [system] ')'==b
   Call: (188) [system] get_char((0x563acd73bee0), b)
   Exit: (188) [system] get_char((0x563acd73bee0), b)
   Call: (188) [system] b=(\)
   Fail: (188) [system] b=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), _1533758)
   Call: (189) [system] peek_char((0x563acd73bee0), _1534692)
   Exit: (189) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (189) [user] is_delimiter(' ')
   Call: (190) [system] char_type(' ', space)
   Exit: (190) [system] char_type(' ', space)
^  Exit: (189) [user] is_delimiter(' ')
   Call: (189) [system] _1533758=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (188) [system] _1519822=[b]
   Exit: (188) [system] [b]=[b]
^  Exit: (187) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
^  Call: (187) [user] classify_and_convert_charseq([r, b], _1484312)
^  Call: (188) [user] classify_and_convert_charseq_([r, b], _1546770)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_1547722, _1547724), once(user:catch(read_from_chars([r, b], _1546770), _1547704, fail)), '$restore_trace'(_1547722, _1547724))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_1547722, _1547724))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([r, b], rb), _1547704, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(rb)
   Exit: (189) [system] atomic(rb)
^  Exit: (188) [user] classify_and_convert_charseq_([r, b], rb)
   Call: (188) [system] integer(rb)
   Fail: (188) [system] integer(rb)
   Call: (188) [system] _1484312=rb
   Exit: (188) [system] rb=rb
^  Exit: (187) [user] classify_and_convert_charseq([r, b], rb)
^  Exit: (186) [user] read_symbolic(')', (0x563acd73bee0), r, rb)
^  Exit: (185) [user] cont_sexpr(')', (0x563acd73bee0), rb)
^  Call: (185) [user] read_list(')', (0x563acd73bee0), _1559850)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _1561708)
   Exit: (187) [system] peek_char((0x563acd73bee0), ' ')
   Call: (187) [system] ' '=(;)
   Fail: (187) [system] ' '=(;)
   Call: (187) [system] ' '=(/)
   Fail: (187) [system] ' '=(/)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x563acd73bee0), _1571302)
   Exit: (187) [system] get_char((0x563acd73bee0), ' ')
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _1574006)
   Exit: (188) [system] peek_char((0x563acd73bee0), '(')
   Call: (188) [system] '('=(;)
   Fail: (188) [system] '('=(;)
   Call: (188) [system] '('=(/)
   Fail: (188) [system] '('=(/)
^  Call: (188) [user] is_like_space('(')
   Call: (189) [system] char_type('(', 'white')
   Fail: (189) [system] char_type('(', 'white')
   Call: (189) [system] char_type('(', end_of_line)
   Fail: (189) [system] char_type('(', end_of_line)
   Call: (189) [system] char_type('(', space)
   Fail: (189) [system] char_type('(', space)
   Call: (189) [system] char_type('(', cntrl)
   Fail: (189) [system] char_type('(', cntrl)
^  Fail: (188) [user] is_like_space('(')
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1590940)
   Exit: (186) [system] peek_char((0x563acd73bee0), '(')
   Call: (186) [system] '('=')'
   Fail: (186) [system] '('=')'
   Call: (186) [system] '('=end_of_file
   Fail: (186) [system] '('=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x563acd73bee0), _1596510)
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _1598368)
   Exit: (188) [system] peek_char((0x563acd73bee0), '(')
   Call: (188) [system] '('=(;)
   Fail: (188) [system] '('=(;)
   Call: (188) [system] '('=(/)
   Fail: (188) [system] '('=(/)
^  Call: (188) [user] is_like_space('(')
   Call: (189) [system] char_type('(', 'white')
   Fail: (189) [system] char_type('(', 'white')
   Call: (189) [system] char_type('(', end_of_line)
   Fail: (189) [system] char_type('(', end_of_line)
   Call: (189) [system] char_type('(', space)
   Fail: (189) [system] char_type('(', space)
   Call: (189) [system] char_type('(', cntrl)
   Fail: (189) [system] char_type('(', cntrl)
^  Fail: (188) [user] is_like_space('(')
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] get_char((0x563acd73bee0), _1614378)
   Exit: (187) [system] get_char((0x563acd73bee0), '(')
   Call: (187) [system] '('='('
   Exit: (187) [system] '('='('
^  Call: (187) [user] read_list(')', (0x563acd73bee0), _1596510)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1619948)
   Exit: (189) [system] peek_char((0x563acd73bee0), -)
   Call: (189) [system] (-)=(;)
   Fail: (189) [system] (-)=(;)
   Call: (189) [system] (-)=(/)
   Fail: (189) [system] (-)=(/)
^  Call: (189) [user] is_like_space(-)
   Call: (190) [system] char_type(-, 'white')
   Fail: (190) [system] char_type(-, 'white')
   Call: (190) [system] char_type(-, end_of_line)
   Fail: (190) [system] char_type(-, end_of_line)
   Call: (190) [system] char_type(-, space)
   Fail: (190) [system] char_type(-, space)
   Call: (190) [system] char_type(-, cntrl)
   Fail: (190) [system] char_type(-, cntrl)
^  Fail: (189) [user] is_like_space(-)
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _1635958)
   Exit: (188) [system] peek_char((0x563acd73bee0), -)
   Call: (188) [system] (-)=')'
   Fail: (188) [system] (-)=')'
   Call: (188) [system] (-)=end_of_file
   Fail: (188) [system] (-)=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x563acd73bee0), _1641528)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1643386)
   Exit: (190) [system] peek_char((0x563acd73bee0), -)
   Call: (190) [system] (-)=(;)
   Fail: (190) [system] (-)=(;)
   Call: (190) [system] (-)=(/)
   Fail: (190) [system] (-)=(/)
^  Call: (190) [user] is_like_space(-)
   Call: (191) [system] char_type(-, 'white')
   Fail: (191) [system] char_type(-, 'white')
   Call: (191) [system] char_type(-, end_of_line)
   Fail: (191) [system] char_type(-, end_of_line)
   Call: (191) [system] char_type(-, space)
   Fail: (191) [system] char_type(-, space)
   Call: (191) [system] char_type(-, cntrl)
   Fail: (191) [system] char_type(-, cntrl)
^  Fail: (190) [user] is_like_space(-)
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] get_char((0x563acd73bee0), _1659396)
   Exit: (189) [system] get_char((0x563acd73bee0), -)
   Call: (189) [system] (-)='('
   Fail: (189) [system] (-)='('
   Call: (189) [system] (-)='['
   Fail: (189) [system] (-)='['
   Call: (189) [system] (-)='{'
   Fail: (189) [system] (-)='{'
   Call: (189) [system] (-)='"'
   Fail: (189) [system] (-)='"'
   Call: (189) [system] (-)=!
   Fail: (189) [system] (-)=!
   Call: (189) [system] (-)='\''
   Fail: (189) [system] (-)='\''
   Call: (189) [system] (-)='`'
   Fail: (189) [system] (-)='`'
   Call: (189) [system] (-)=end_of_file
   Fail: (189) [system] (-)=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x563acd73bee0), -, _1641528)
^  Call: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), _1677038)
   Call: (191) [system] peek_char((0x563acd73bee0), _1677972)
   Exit: (191) [system] peek_char((0x563acd73bee0), >)
^  Call: (191) [user] is_delimiter(>)
   Call: (192) [system] char_type(>, space)
   Fail: (192) [system] char_type(>, space)
   Call: (192) [system] arg(_1682692, v('(', ')', end_of_file), >)
   Fail: (192) [system] arg(_1683624, v('(', ')', end_of_file), >)
^  Fail: (191) [user] is_delimiter(>)
   Call: (191) [system] ')'==(>)
   Fail: (191) [system] ')'==(>)
   Call: (191) [system] get_char((0x563acd73bee0), >)
   Exit: (191) [system] get_char((0x563acd73bee0), >)
   Call: (191) [system] (>)=(\)
   Fail: (191) [system] (>)=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), _1690974)
   Call: (192) [system] peek_char((0x563acd73bee0), _1691908)
   Exit: (192) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _1690974=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (191) [system] _1677038=[>]
   Exit: (191) [system] [>]=[>]
^  Exit: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), [>])
^  Call: (190) [user] classify_and_convert_charseq([-, >], _1641528)
^  Call: (191) [user] classify_and_convert_charseq_([-, >], _1703986)
^  Call: (193) [system] setup_call_cleanup('$notrace'(_1704938, _1704940), once(user:catch(read_from_chars([-, >], _1703986), _1704920, fail)), '$restore_trace'(_1704938, _1704940))
^  Call: (194) [system] sig_atomic(system:'$notrace'(_1704938, _1704940))
^  Exit: (193) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _1704920, fail)), system:'$restore_trace'(3, -1))
   Call: (192) [system] atomic(->)
   Exit: (192) [system] atomic(->)
^  Exit: (191) [user] classify_and_convert_charseq_([-, >], ->)
   Call: (191) [system] integer(->)
   Fail: (191) [system] integer(->)
   Call: (191) [system] _1641528=(->)
   Exit: (191) [system] (->)=(->)
^  Exit: (190) [user] classify_and_convert_charseq([-, >], ->)
^  Exit: (189) [user] read_symbolic(')', (0x563acd73bee0), -, ->)
^  Exit: (188) [user] cont_sexpr(')', (0x563acd73bee0), ->)
^  Call: (188) [user] read_list(')', (0x563acd73bee0), _1717066)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1718924)
   Exit: (190) [system] peek_char((0x563acd73bee0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x563acd73bee0), _1728518)
   Exit: (190) [system] get_char((0x563acd73bee0), ' ')
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _1731222)
   Exit: (191) [system] peek_char((0x563acd73bee0), 'A')
   Call: (191) [system] 'A'=(;)
   Fail: (191) [system] 'A'=(;)
   Call: (191) [system] 'A'=(/)
   Fail: (191) [system] 'A'=(/)
^  Call: (191) [user] is_like_space('A')
   Call: (192) [system] char_type('A', 'white')
   Fail: (192) [system] char_type('A', 'white')
   Call: (192) [system] char_type('A', end_of_line)
   Fail: (192) [system] char_type('A', end_of_line)
   Call: (192) [system] char_type('A', space)
   Fail: (192) [system] char_type('A', space)
   Call: (192) [system] char_type('A', cntrl)
   Fail: (192) [system] char_type('A', cntrl)
^  Fail: (191) [user] is_like_space('A')
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1748156)
   Exit: (189) [system] peek_char((0x563acd73bee0), 'A')
   Call: (189) [system] 'A'=')'
   Fail: (189) [system] 'A'=')'
   Call: (189) [system] 'A'=end_of_file
   Fail: (189) [system] 'A'=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x563acd73bee0), _1753726)
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _1755584)
   Exit: (191) [system] peek_char((0x563acd73bee0), 'A')
   Call: (191) [system] 'A'=(;)
   Fail: (191) [system] 'A'=(;)
   Call: (191) [system] 'A'=(/)
   Fail: (191) [system] 'A'=(/)
^  Call: (191) [user] is_like_space('A')
   Call: (192) [system] char_type('A', 'white')
   Fail: (192) [system] char_type('A', 'white')
   Call: (192) [system] char_type('A', end_of_line)
   Fail: (192) [system] char_type('A', end_of_line)
   Call: (192) [system] char_type('A', space)
   Fail: (192) [system] char_type('A', space)
   Call: (192) [system] char_type('A', cntrl)
   Fail: (192) [system] char_type('A', cntrl)
^  Fail: (191) [user] is_like_space('A')
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] get_char((0x563acd73bee0), _1771594)
   Exit: (190) [system] get_char((0x563acd73bee0), 'A')
   Call: (190) [system] 'A'='('
   Fail: (190) [system] 'A'='('
   Call: (190) [system] 'A'='['
   Fail: (190) [system] 'A'='['
   Call: (190) [system] 'A'='{'
   Fail: (190) [system] 'A'='{'
   Call: (190) [system] 'A'='"'
   Fail: (190) [system] 'A'='"'
   Call: (190) [system] 'A'=!
   Fail: (190) [system] 'A'=!
   Call: (190) [system] 'A'='\''
   Fail: (190) [system] 'A'='\''
   Call: (190) [system] 'A'='`'
   Fail: (190) [system] 'A'='`'
   Call: (190) [system] 'A'=end_of_file
   Fail: (190) [system] 'A'=end_of_file
^  Call: (190) [user] read_symbolic(')', (0x563acd73bee0), 'A', _1753726)
^  Call: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), _1789236)
   Call: (192) [system] peek_char((0x563acd73bee0), _1790170)
   Exit: (192) [system] peek_char((0x563acd73bee0), t)
^  Call: (192) [user] is_delimiter(t)
   Call: (193) [system] char_type(t, space)
   Fail: (193) [system] char_type(t, space)
   Call: (193) [system] arg(_1794890, v('(', ')', end_of_file), t)
   Fail: (193) [system] arg(_1795822, v('(', ')', end_of_file), t)
^  Fail: (192) [user] is_delimiter(t)
   Call: (192) [system] ')'==t
   Fail: (192) [system] ')'==t
   Call: (192) [system] get_char((0x563acd73bee0), t)
   Exit: (192) [system] get_char((0x563acd73bee0), t)
   Call: (192) [system] t=(\)
   Fail: (192) [system] t=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), _1803172)
   Call: (193) [system] peek_char((0x563acd73bee0), _1804106)
   Exit: (193) [system] peek_char((0x563acd73bee0), o)
^  Call: (193) [user] is_delimiter(o)
   Call: (194) [system] char_type(o, space)
   Fail: (194) [system] char_type(o, space)
   Call: (194) [system] arg(_1808826, v('(', ')', end_of_file), o)
   Fail: (194) [system] arg(_1809758, v('(', ')', end_of_file), o)
^  Fail: (193) [user] is_delimiter(o)
   Call: (193) [system] ')'==o
   Fail: (193) [system] ')'==o
   Call: (193) [system] get_char((0x563acd73bee0), o)
   Exit: (193) [system] get_char((0x563acd73bee0), o)
   Call: (193) [system] o=(\)
   Fail: (193) [system] o=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _1817108)
   Call: (194) [system] peek_char((0x563acd73bee0), _1818042)
   Exit: (194) [system] peek_char((0x563acd73bee0), m)
^  Call: (194) [user] is_delimiter(m)
   Call: (195) [system] char_type(m, space)
   Fail: (195) [system] char_type(m, space)
   Call: (195) [system] arg(_1822762, v('(', ')', end_of_file), m)
   Fail: (195) [system] arg(_1823694, v('(', ')', end_of_file), m)
^  Fail: (194) [user] is_delimiter(m)
   Call: (194) [system] ')'==m
   Fail: (194) [system] ')'==m
   Call: (194) [system] get_char((0x563acd73bee0), m)
   Exit: (194) [system] get_char((0x563acd73bee0), m)
   Call: (194) [system] m=(\)
   Fail: (194) [system] m=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _1831044)
   Call: (195) [system] peek_char((0x563acd73bee0), _1831978)
   Exit: (195) [system] peek_char((0x563acd73bee0), ')')
^  Call: (195) [user] is_delimiter(')')
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] arg(_1836698, v('(', ')', end_of_file), ')')
   Exit: (196) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (195) [user] is_delimiter(')')
   Call: (195) [system] _1831044=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (194) [system] _1817108=[m]
   Exit: (194) [system] [m]=[m]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [m])
   Call: (193) [system] _1803172=[o, m]
   Exit: (193) [system] [o, m]=[o, m]
^  Exit: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, m])
   Call: (192) [system] _1789236=[t, o, m]
   Exit: (192) [system] [t, o, m]=[t, o, m]
^  Exit: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, o, m])
^  Call: (191) [user] classify_and_convert_charseq(['A', t, o, m], _1753726)
^  Call: (192) [user] classify_and_convert_charseq_(['A', t, o, m], _1851516)
^  Call: (194) [system] setup_call_cleanup('$notrace'(_1852468, _1852470), once(user:catch(read_from_chars(['A', t, o, m], _1851516), _1852450, fail)), '$restore_trace'(_1852468, _1852470))
^  Call: (195) [system] sig_atomic(system:'$notrace'(_1852468, _1852470))
^  Exit: (194) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', t, o, m], _1851516), _1852450, fail)), system:'$restore_trace'(3, -1))
   Call: (193) [system] atomic(_1851516)
   Fail: (193) [system] atomic(_1851516)
   Call: (193) [system] atom_chars(_1851516, ['A', t, o, m])
   Exit: (193) [system] atom_chars('Atom', ['A', t, o, m])
^  Exit: (192) [user] classify_and_convert_charseq_(['A', t, o, m], 'Atom')
   Call: (192) [system] integer('Atom')
   Fail: (192) [system] integer('Atom')
   Call: (192) [system] _1753726='Atom'
   Exit: (192) [system] 'Atom'='Atom'
^  Exit: (191) [user] classify_and_convert_charseq(['A', t, o, m], 'Atom')
^  Exit: (190) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'Atom')
^  Exit: (189) [user] cont_sexpr(')', (0x563acd73bee0), 'Atom')
^  Call: (189) [user] read_list(')', (0x563acd73bee0), _1866466)
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _1868324)
   Exit: (191) [system] peek_char((0x563acd73bee0), ')')
   Call: (191) [system] ')'=(;)
   Fail: (191) [system] ')'=(;)
   Call: (191) [system] ')'=(/)
   Fail: (191) [system] ')'=(/)
^  Call: (191) [user] is_like_space(')')
   Call: (192) [system] char_type(')', 'white')
   Fail: (192) [system] char_type(')', 'white')
   Call: (192) [system] char_type(')', end_of_line)
   Fail: (192) [system] char_type(')', end_of_line)
   Call: (192) [system] char_type(')', space)
   Fail: (192) [system] char_type(')', space)
   Call: (192) [system] char_type(')', cntrl)
   Fail: (192) [system] char_type(')', cntrl)
^  Fail: (191) [user] is_like_space(')')
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1884334)
   Exit: (190) [system] peek_char((0x563acd73bee0), ')')
   Call: (190) [system] ')'=')'
   Exit: (190) [system] ')'=')'
   Call: (190) [system] get_char((0x563acd73bee0), _1888124)
   Exit: (190) [system] get_char((0x563acd73bee0), ')')
   Call: (190) [system] _1866466=[]
   Exit: (190) [system] []=[]
^  Exit: (189) [user] read_list(')', (0x563acd73bee0), [])
   Call: (189) [system] _1717066=['Atom']
   Exit: (189) [system] ['Atom']=['Atom']
^  Exit: (188) [user] read_list(')', (0x563acd73bee0), ['Atom'])
   Call: (188) [system] _1596510=[->, 'Atom']
   Exit: (188) [system] [->, 'Atom']=[->, 'Atom']
^  Exit: (187) [user] read_list(')', (0x563acd73bee0), [->, 'Atom'])
^  Exit: (186) [user] cont_sexpr(')', (0x563acd73bee0), [->, 'Atom'])
^  Call: (186) [user] read_list(')', (0x563acd73bee0), _1899212)
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _1901070)
   Exit: (188) [system] peek_char((0x563acd73bee0), ')')
   Call: (188) [system] ')'=(;)
   Fail: (188) [system] ')'=(;)
   Call: (188) [system] ')'=(/)
   Fail: (188) [system] ')'=(/)
^  Call: (188) [user] is_like_space(')')
   Call: (189) [system] char_type(')', 'white')
   Fail: (189) [system] char_type(')', 'white')
   Call: (189) [system] char_type(')', end_of_line)
   Fail: (189) [system] char_type(')', end_of_line)
   Call: (189) [system] char_type(')', space)
   Fail: (189) [system] char_type(')', space)
   Call: (189) [system] char_type(')', cntrl)
   Fail: (189) [system] char_type(')', cntrl)
^  Fail: (188) [user] is_like_space(')')
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _1917080)
   Exit: (187) [system] peek_char((0x563acd73bee0), ')')
   Call: (187) [system] ')'=')'
   Exit: (187) [system] ')'=')'
   Call: (187) [system] get_char((0x563acd73bee0), _1920870)
   Exit: (187) [system] get_char((0x563acd73bee0), ')')
   Call: (187) [system] _1899212=[]
   Exit: (187) [system] []=[]
^  Exit: (186) [user] read_list(')', (0x563acd73bee0), [])
   Call: (186) [system] _1559850=[[->, 'Atom']]
   Exit: (186) [system] [[->, 'Atom']]=[[->, 'Atom']]
^  Exit: (185) [user] read_list(')', (0x563acd73bee0), [[->, 'Atom']])
   Call: (185) [system] _1447652=[rb, [->, 'Atom']]
   Exit: (185) [system] [rb, [->, 'Atom']]=[rb, [->, 'Atom']]
^  Exit: (184) [user] read_list(')', (0x563acd73bee0), [rb, [->, 'Atom']])
   Call: (184) [system] _1310350=[:, rb, [->, 'Atom']]
   Exit: (184) [system] [:, rb, [->, 'Atom']]=[:, rb, [->, 'Atom']]
^  Exit: (183) [user] read_list(')', (0x563acd73bee0), [:, rb, [->, 'Atom']])
^  Exit: (182) [user] cont_sexpr(')', (0x563acd73bee0), [:, rb, [->, 'Atom']])
^  Exit: (181) [user] read_sexpr((0x563acd73bee0), [:, rb, [->, 'Atom']])
^  Call: (181) [user] assertz(metta_file_comment(108, 0, 4259, [:, rb, [->, 'Atom']], '$stream_position'(4259, 108, 0, 4259)))
^  Exit: (181) [user] assertz(metta_file_comment(108, 0, 4259, [:, rb, [->, 'Atom']], '$stream_position'(4259, 108, 0, 4259)))
^  Exit: (179) [system] once(user:(read_position((0x563acd73bee0), 108, 0, 4259, '$stream_position'(4259, 108, 0, 4259)), read_sexpr((0x563acd73bee0), [:, rb, [->, 'Atom']]), assertz(metta_file_comment(108, 0, 4259, [:, rb, [->, 'Atom']], '$stream_position'(4259, 108, 0, 4259)))))
   Call: (179) [system] fail
^  Call: (179) [user] retract(metta_file_comment(_1939388, _1939390, _1939392, _1939394, _1939396))
^  Exit: (179) [user] retract(metta_file_comment(50, 0, 1601, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$stream_position'(1601, 50, 0, 1601)))
^  Call: (179) [user] trly(untyped_to_metta, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _3084)
^  Call: (180) [user] once(call(untyped_to_metta, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _1942226))
^  Call: (181) [user] call(untyped_to_metta, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _1942226)
^  Call: (182) [user] untyped_to_metta('$COMMENT'(";; Nullary rule (axiom)", 50, 0), _1942226)
^  Call: (183) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _1945042))
^  Call: (184) [user] once(user:trly(mfix_vars1, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _1945042))
^  Call: (185) [user] trly(mfix_vars1, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _1945042)
^  Call: (186) [user] once(call(mfix_vars1, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _1947842))
^  Call: (187) [user] call(mfix_vars1, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _1947842)
^  Call: (188) [user] mfix_vars1('$COMMENT'(";; Nullary rule (axiom)", 50, 0), _1947842)
   Call: (189) [system] var('$COMMENT'(";; Nullary rule (axiom)", 50, 0))
   Call: (189) [system] atom('$COMMENT'(";; Nullary rule (axiom)", 50, 0))
   Call: (189) [system] '$COMMENT'(";; Nullary rule (axiom)", 50, 0)==true
   Call: (189) [system] '$COMMENT'(";; Nullary rule (axiom)", 50, 0)==false
   Call: (189) [system] '$COMMENT'(";; Nullary rule (axiom)", 50, 0)==[_1954362, _1954368]
   Call: (189) [system] is_list('$COMMENT'(";; Nullary rule (axiom)", 50, 0))
   Call: (189) [system] string('$COMMENT'(";; Nullary rule (axiom)", 50, 0))
   Call: (189) [system] compound('$COMMENT'(";; Nullary rule (axiom)", 50, 0))
   Exit: (189) [system] compound('$COMMENT'(";; Nullary rule (axiom)", 50, 0))
   Call: (189) [system] compound_name_arguments('$COMMENT'(";; Nullary rule (axiom)", 50, 0), _1958996, _1958998)
   Exit: (189) [system] compound_name_arguments('$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT', [";; Nullary rule (axiom)", 50, 0])
   Call: (189) [system] '$COMMENT'\=='$VAR'
   Exit: (189) [system] '$COMMENT'\=='$VAR'
^  Call: (189) [user] apply:maplist(mfix_vars1, [";; Nullary rule (axiom)", 50, 0], _1962738)
   Call: (190) [apply] apply:maplist_([";; Nullary rule (axiom)", 50, 0], _1962738, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(";; Nullary rule (axiom)", _1964618)
   Call: (192) [system] var(";; Nullary rule (axiom)")
   Call: (192) [system] atom(";; Nullary rule (axiom)")
   Call: (192) [system] ";; Nullary rule (axiom)"==true
   Call: (192) [system] ";; Nullary rule (axiom)"==false
   Call: (192) [system] ";; Nullary rule (axiom)"==[_1969260, _1969266]
   Call: (192) [system] is_list(";; Nullary rule (axiom)")
   Call: (192) [system] string(";; Nullary rule (axiom)")
   Exit: (192) [system] string(";; Nullary rule (axiom)")
^  Call: (192) [user] string_to_syms
   Call: (193) [system] fail
   Call: (192) [system] compound(";; Nullary rule (axiom)")
^  Call: (192) [user] symbol(";; Nullary rule (axiom)")
   Call: (193) [system] atom(";; Nullary rule (axiom)")
   Fail: (193) [system] atom(";; Nullary rule (axiom)")
^  Fail: (192) [user] symbol(";; Nullary rule (axiom)")
   Call: (192) [system] ";; Nullary rule (axiom)"=_1964618
   Exit: (192) [system] ";; Nullary rule (axiom)"=";; Nullary rule (axiom)"
^  Exit: (191) [user] mfix_vars1(";; Nullary rule (axiom)", ";; Nullary rule (axiom)")
   Call: (191) [apply] apply:maplist_([50, 0], _1964620, user:mfix_vars1)
^  Call: (192) [user] mfix_vars1(50, _1983140)
   Call: (193) [system] var(50)
   Call: (193) [system] atom(50)
   Call: (193) [system] 50==true
   Call: (193) [system] 50==false
   Call: (193) [system] 50==[_1987782, _1987788]
   Call: (193) [system] is_list(50)
   Call: (193) [system] string(50)
   Call: (193) [system] compound(50)
^  Call: (193) [user] symbol(50)
   Call: (194) [system] atom(50)
   Fail: (194) [system] atom(50)
^  Fail: (193) [user] symbol(50)
   Call: (193) [system] 50=_1983140
   Exit: (193) [system] 50=50
^  Exit: (192) [user] mfix_vars1(50, 50)
   Call: (192) [apply] apply:maplist_([0], _1983142, user:mfix_vars1)
^  Call: (193) [user] mfix_vars1(0, _1998906)
   Call: (194) [system] var(0)
   Call: (194) [system] atom(0)
   Call: (194) [system] 0==true
   Call: (194) [system] 0==false
   Call: (194) [system] 0==[_2003548, _2003554]
   Call: (194) [system] is_list(0)
   Call: (194) [system] string(0)
   Call: (194) [system] compound(0)
^  Call: (194) [user] symbol(0)
   Call: (195) [system] atom(0)
   Fail: (195) [system] atom(0)
^  Fail: (194) [user] symbol(0)
   Call: (194) [system] 0=_1998906
   Exit: (194) [system] 0=0
^  Exit: (193) [user] mfix_vars1(0, 0)
   Call: (193) [apply] apply:maplist_([], _1998908, user:mfix_vars1)
   Exit: (193) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (192) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([50, 0], [50, 0], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([";; Nullary rule (axiom)", 50, 0], [";; Nullary rule (axiom)", 50, 0], user:mfix_vars1)
^  Exit: (189) [apply] apply:maplist(user:mfix_vars1, [";; Nullary rule (axiom)", 50, 0], [";; Nullary rule (axiom)", 50, 0])
   Call: (189) [system] compound_name_arguments(_1947842, '$COMMENT', [";; Nullary rule (axiom)", 50, 0])
   Exit: (189) [system] compound_name_arguments('$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT', [";; Nullary rule (axiom)", 50, 0])
^  Exit: (188) [user] mfix_vars1('$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (187) [system] call(user:mfix_vars1, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (186) [system] once(user:call(mfix_vars1, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0)))
   Call: (186) [system] '$COMMENT'(";; Nullary rule (axiom)", 50, 0)\=@='$COMMENT'(";; Nullary rule (axiom)", 50, 0)
^  Exit: (185) [user] trly(mfix_vars1, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (184) [system] once(user:trly(mfix_vars1, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0)))
^  Exit: (183) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0)))
^  Call: (183) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _2027724))
^  Call: (184) [user] once(user:trly(cons_to_c, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _2027724))
^  Call: (185) [user] trly(cons_to_c, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _2027724)
^  Call: (186) [user] once(call(cons_to_c, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _2030524))
^  Call: (187) [user] call(cons_to_c, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _2030524)
^  Call: (188) [user] cons_to_c('$COMMENT'(";; Nullary rule (axiom)", 50, 0), _2030524)
^  Call: (189) [user] no_cons_reduce
^  Exit: (189) [user] no_cons_reduce
^  Exit: (188) [user] cons_to_c('$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (187) [system] call(user:cons_to_c, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (186) [system] once(user:call(cons_to_c, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0)))
   Call: (186) [system] '$COMMENT'(";; Nullary rule (axiom)", 50, 0)\=@='$COMMENT'(";; Nullary rule (axiom)", 50, 0)
^  Exit: (185) [user] trly(cons_to_c, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (184) [system] once(user:trly(cons_to_c, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0)))
^  Exit: (183) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0)))
^  Call: (183) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _1942226))
^  Call: (184) [user] once(user:trly(cons_to_l, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _1942226))
^  Call: (185) [user] trly(cons_to_l, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _1942226)
^  Call: (186) [user] once(call(cons_to_l, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _2044482))
^  Call: (187) [user] call(cons_to_l, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _2044482)
^  Call: (188) [user] cons_to_l('$COMMENT'(";; Nullary rule (axiom)", 50, 0), _2044482)
^  Call: (189) [user] no_cons_reduce
^  Exit: (189) [user] no_cons_reduce
^  Exit: (188) [user] cons_to_l('$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (187) [system] call(user:cons_to_l, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (186) [system] once(user:call(cons_to_l, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0)))
   Call: (186) [system] '$COMMENT'(";; Nullary rule (axiom)", 50, 0)\=@='$COMMENT'(";; Nullary rule (axiom)", 50, 0)
^  Exit: (185) [user] trly(cons_to_l, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (184) [system] once(user:trly(cons_to_l, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0)))
^  Exit: (183) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0)))
^  Exit: (182) [user] untyped_to_metta('$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (181) [system] call(user:untyped_to_metta, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (180) [system] once(user:call(untyped_to_metta, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0)))
   Call: (180) [system] '$COMMENT'(";; Nullary rule (axiom)", 50, 0)\=@='$COMMENT'(";; Nullary rule (axiom)", 50, 0)
^  Exit: (179) [user] trly(untyped_to_metta, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (178) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
   Call: (178) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))))
   Exit: (178) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))))
^  Exit: (177) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (176) [user] parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (175) [user] parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (171) [user] read_sform((0x563acd73bee0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (170) [system] once(user:read_sform((0x563acd73bee0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x563acd73bee0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0)))
   Call: (169) [system] '$COMMENT'(";; Nullary rule (axiom)", 50, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";; Nullary rule (axiom)", 50, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1727204596.0891678), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204596.0891678), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Nullary rule (axiom)", 50, 0)), 105]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0), ynthesize_long_1727204587_629323, 105)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1727204596.0891678), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204596.0891678), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Nullary rule (axiom)", 50, 0)), 105]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1727204597.194177)
   Call: (173) [system] arg(1, t(1727204596.0891678), _3148)
   Exit: (173) [system] arg(1, t(1727204596.0891678), 1727204596.0891678)
   Call: (173) [system] _3158 is 1727204597.194177-1727204596.0891678
   Exit: (173) [system] 1.1050090789794922 is 1727204597.194177-1727204596.0891678
   Call: (173) [system] 1.1050090789794922>4
   Fail: (173) [system] 1.1050090789794922>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1727204596.0891678), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204596.0891678), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Nullary rule (axiom)", 50, 0)), 105]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 16)
   Call: (175) [system] atom(16+1)
   Call: (175) [system] set_flag(translated_forms, 17)
   Exit: (175) [system] set_flag(translated_forms, 17)
   Exit: (174) [$syspreds] update_flag(translated_forms, 16, 16+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 16, 16+1))
   Exit: (171) [$syspreds] flag(translated_forms, 16, 16+1)
^  Call: (171) [user] write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0), ynthesize_long_1727204587_629323, 105)
^  Call: (172) [user] format((0x563acd7397e0), "/* ~w */~n", [";; Nullary rule (axiom)"])
^  Exit: (172) [user] format((0x563acd7397e0), "/* ~w */~n", [";; Nullary rule (axiom)"])
^  Exit: (171) [user] write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0), ynthesize_long_1727204587_629323, 105)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1727204596.0891678), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204596.0891678), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Nullary rule (axiom)", 50, 0)), 105]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 16, 16+1), write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0), ynthesize_long_1727204587_629323, 105)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x563acd73bee0))
   Fail: (169) [system] at_end_of_stream((0x563acd73bee0))
^  Call: (169) [user] must_det_ll(line_count((0x563acd73bee0), _3074))
^  Call: (170) [user] once(user:line_count((0x563acd73bee0), _3074))
   Call: (171) [system] line_count((0x563acd73bee0), _3074)
   Exit: (171) [system] line_count((0x563acd73bee0), 108)
^  Exit: (170) [system] once(user:line_count((0x563acd73bee0), 108))
^  Exit: (169) [user] must_det_ll(user:line_count((0x563acd73bee0), 108))
^  Call: (169) [user] must_det_ll(read_sform((0x563acd73bee0), _3084))
^  Call: (170) [user] once(user:read_sform((0x563acd73bee0), _3084))
^  Call: (171) [user] read_sform((0x563acd73bee0), _3084)
   Call: (172) [system] string((0x563acd73bee0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
   Call: (173) [system] string((0x563acd73bee0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), _3084)
   Call: (174) [system] at_end_of_stream((0x563acd73bee0))
   Call: (174) [system] peek_char((0x563acd73bee0), _27504)
   Exit: (174) [system] peek_char((0x563acd73bee0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x563acd73bee0), '\n')
   Exit: (174) [system] get_char((0x563acd73bee0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x563acd73bee0), _3084)
   Call: (175) [system] at_end_of_stream((0x563acd73bee0))
   Call: (175) [system] peek_char((0x563acd73bee0), _34926)
   Exit: (175) [system] peek_char((0x563acd73bee0), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
   Call: (176) [system] string((0x563acd73bee0))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), _3084)
   Call: (177) [system] at_end_of_stream((0x563acd73bee0))
   Call: (177) [system] peek_char((0x563acd73bee0), _43264)
   Exit: (177) [system] peek_char((0x563acd73bee0), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _46050=(0x563acd73bee0)
   Exit: (177) [system] (0x563acd73bee0)=(0x563acd73bee0)
^  Call: (177) [user] once((read_position((0x563acd73bee0), _47918, _47920, _47922, _47924), read_sexpr((0x563acd73bee0), _47936), assertz(metta_file_comment(_47918, _47920, _47922, _47936, _47924))))
^  Call: (179) [user] read_position((0x563acd73bee0), _47918, _47920, _47922, _47924)
   Call: (180) [system] stream_property((0x563acd73bee0), position(_47924))
   Call: (181) [system] nonvar((0x563acd73bee0))
   Exit: (181) [system] nonvar((0x563acd73bee0))
   Call: (181) [system] nonvar(position(_47924))
   Exit: (181) [system] nonvar(position(_47924))
   Exit: (180) [system] stream_property((0x563acd73bee0), position('$stream_position'(4276, 109, 0, 4276)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4276, 109, 0, 4276), _47918)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _58176)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(4276, 109, 0, 4276), _47918)
   Exit: (181) [system] arg(2, '$stream_position'(4276, 109, 0, 4276), 109)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4276, 109, 0, 4276), 109)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4276, 109, 0, 4276), _47920)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _65610)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(4276, 109, 0, 4276), _47920)
   Exit: (181) [system] arg(3, '$stream_position'(4276, 109, 0, 4276), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4276, 109, 0, 4276), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4276, 109, 0, 4276), _47922)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _73044)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(4276, 109, 0, 4276), _47922)
   Exit: (181) [system] arg(1, '$stream_position'(4276, 109, 0, 4276), 4276)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4276, 109, 0, 4276), 4276)
^  Exit: (179) [user] read_position((0x563acd73bee0), 109, 0, 4276, '$stream_position'(4276, 109, 0, 4276))
^  Call: (179) [user] read_sexpr((0x563acd73bee0), _47936)
   Call: (180) [system] string((0x563acd73bee0))
   Fail: (180) [system] string((0x563acd73bee0))
^  Call: (180) [user] cont_sexpr(')', (0x563acd73bee0), _47936)
^  Call: (181) [user] skip_spaces((0x563acd73bee0))
   Call: (182) [system] peek_char((0x563acd73bee0), _83270)
   Exit: (182) [system] peek_char((0x563acd73bee0), '(')
   Call: (182) [system] '('=(;)
   Fail: (182) [system] '('=(;)
   Call: (182) [system] '('=(/)
   Fail: (182) [system] '('=(/)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Fail: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Fail: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Fail: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
   Fail: (183) [system] char_type('(', cntrl)
^  Fail: (182) [user] is_like_space('(')
^  Exit: (181) [user] skip_spaces((0x563acd73bee0))
   Call: (181) [system] get_char((0x563acd73bee0), _99280)
   Exit: (181) [system] get_char((0x563acd73bee0), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x563acd73bee0), _47936)
^  Call: (182) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] peek_char((0x563acd73bee0), _104850)
   Exit: (183) [system] peek_char((0x563acd73bee0), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
   Call: (183) [system] (=)=(/)
   Fail: (183) [system] (=)=(/)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x563acd73bee0))
   Call: (182) [system] peek_char((0x563acd73bee0), _120860)
   Exit: (182) [system] peek_char((0x563acd73bee0), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x563acd73bee0), _126430)
^  Call: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _128288)
   Exit: (184) [system] peek_char((0x563acd73bee0), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
   Call: (184) [system] (=)=(/)
   Fail: (184) [system] (=)=(/)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] get_char((0x563acd73bee0), _144298)
   Exit: (183) [system] get_char((0x563acd73bee0), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x563acd73bee0), =, _126430)
^  Call: (184) [user] read_symbolic_cont(')', (0x563acd73bee0), _161940)
   Call: (185) [system] peek_char((0x563acd73bee0), _162874)
   Exit: (185) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _161940=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (184) [user] classify_and_convert_charseq([=], _126430)
^  Call: (185) [user] classify_and_convert_charseq_([=], _172158)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_173110, _173112), once(user:catch(read_from_chars([=], _172158), _173092, fail)), '$restore_trace'(_173110, _173112))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_173110, _173112))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _173092, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(=)
   Exit: (186) [system] atomic(=)
^  Exit: (185) [user] classify_and_convert_charseq_([=], =)
   Call: (185) [system] integer(=)
   Fail: (185) [system] integer(=)
   Call: (185) [system] _126430=(=)
   Exit: (185) [system] (=)=(=)
^  Exit: (184) [user] classify_and_convert_charseq([=], =)
^  Exit: (183) [user] read_symbolic(')', (0x563acd73bee0), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x563acd73bee0), =)
^  Call: (182) [user] read_list(')', (0x563acd73bee0), _185238)
^  Call: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _187096)
   Exit: (184) [system] peek_char((0x563acd73bee0), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
   Call: (184) [system] ' '=(/)
   Fail: (184) [system] ' '=(/)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x563acd73bee0), _196690)
   Exit: (184) [system] get_char((0x563acd73bee0), ' ')
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _199394)
   Exit: (185) [system] peek_char((0x563acd73bee0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
^  Exit: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] peek_char((0x563acd73bee0), _216328)
   Exit: (183) [system] peek_char((0x563acd73bee0), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x563acd73bee0), _221898)
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _223756)
   Exit: (185) [system] peek_char((0x563acd73bee0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] get_char((0x563acd73bee0), _239766)
   Exit: (184) [system] get_char((0x563acd73bee0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x563acd73bee0), _221898)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _245336)
   Exit: (186) [system] peek_char((0x563acd73bee0), r)
   Call: (186) [system] r=(;)
   Fail: (186) [system] r=(;)
   Call: (186) [system] r=(/)
   Fail: (186) [system] r=(/)
^  Call: (186) [user] is_like_space(r)
   Call: (187) [system] char_type(r, 'white')
   Fail: (187) [system] char_type(r, 'white')
   Call: (187) [system] char_type(r, end_of_line)
   Fail: (187) [system] char_type(r, end_of_line)
   Call: (187) [system] char_type(r, space)
   Fail: (187) [system] char_type(r, space)
   Call: (187) [system] char_type(r, cntrl)
   Fail: (187) [system] char_type(r, cntrl)
^  Fail: (186) [user] is_like_space(r)
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _261346)
   Exit: (185) [system] peek_char((0x563acd73bee0), r)
   Call: (185) [system] r=')'
   Fail: (185) [system] r=')'
   Call: (185) [system] r=end_of_file
   Fail: (185) [system] r=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x563acd73bee0), _266916)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _268774)
   Exit: (187) [system] peek_char((0x563acd73bee0), r)
   Call: (187) [system] r=(;)
   Fail: (187) [system] r=(;)
   Call: (187) [system] r=(/)
   Fail: (187) [system] r=(/)
^  Call: (187) [user] is_like_space(r)
   Call: (188) [system] char_type(r, 'white')
   Fail: (188) [system] char_type(r, 'white')
   Call: (188) [system] char_type(r, end_of_line)
   Fail: (188) [system] char_type(r, end_of_line)
   Call: (188) [system] char_type(r, space)
   Fail: (188) [system] char_type(r, space)
   Call: (188) [system] char_type(r, cntrl)
   Fail: (188) [system] char_type(r, cntrl)
^  Fail: (187) [user] is_like_space(r)
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] get_char((0x563acd73bee0), _284784)
   Exit: (186) [system] get_char((0x563acd73bee0), r)
   Call: (186) [system] r='('
   Fail: (186) [system] r='('
   Call: (186) [system] r='['
   Fail: (186) [system] r='['
   Call: (186) [system] r='{'
   Fail: (186) [system] r='{'
   Call: (186) [system] r='"'
   Fail: (186) [system] r='"'
   Call: (186) [system] r=!
   Fail: (186) [system] r=!
   Call: (186) [system] r='\''
   Fail: (186) [system] r='\''
   Call: (186) [system] r='`'
   Fail: (186) [system] r='`'
   Call: (186) [system] r=end_of_file
   Fail: (186) [system] r=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x563acd73bee0), r, _266916)
^  Call: (187) [user] read_symbolic_cont(')', (0x563acd73bee0), _302426)
   Call: (188) [system] peek_char((0x563acd73bee0), _303360)
   Exit: (188) [system] peek_char((0x563acd73bee0), b)
^  Call: (188) [user] is_delimiter(b)
   Call: (189) [system] char_type(b, space)
   Fail: (189) [system] char_type(b, space)
   Call: (189) [system] arg(_308080, v('(', ')', end_of_file), b)
   Fail: (189) [system] arg(_309012, v('(', ')', end_of_file), b)
^  Fail: (188) [user] is_delimiter(b)
   Call: (188) [system] ')'==b
   Fail: (188) [system] ')'==b
   Call: (188) [system] get_char((0x563acd73bee0), b)
   Exit: (188) [system] get_char((0x563acd73bee0), b)
   Call: (188) [system] b=(\)
   Fail: (188) [system] b=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), _316362)
   Call: (189) [system] peek_char((0x563acd73bee0), _317296)
   Exit: (189) [system] peek_char((0x563acd73bee0), ')')
^  Call: (189) [user] is_delimiter(')')
   Call: (190) [system] char_type(')', space)
   Fail: (190) [system] char_type(')', space)
   Call: (190) [system] arg(_322016, v('(', ')', end_of_file), ')')
   Exit: (190) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (189) [user] is_delimiter(')')
   Call: (189) [system] _316362=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (188) [system] _302426=[b]
   Exit: (188) [system] [b]=[b]
^  Exit: (187) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
^  Call: (187) [user] classify_and_convert_charseq([r, b], _266916)
^  Call: (188) [user] classify_and_convert_charseq_([r, b], _331246)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_332198, _332200), once(user:catch(read_from_chars([r, b], _331246), _332180, fail)), '$restore_trace'(_332198, _332200))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_332198, _332200))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([r, b], rb), _332180, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(rb)
   Exit: (189) [system] atomic(rb)
^  Exit: (188) [user] classify_and_convert_charseq_([r, b], rb)
   Call: (188) [system] integer(rb)
   Fail: (188) [system] integer(rb)
   Call: (188) [system] _266916=rb
   Exit: (188) [system] rb=rb
^  Exit: (187) [user] classify_and_convert_charseq([r, b], rb)
^  Exit: (186) [user] read_symbolic(')', (0x563acd73bee0), r, rb)
^  Exit: (185) [user] cont_sexpr(')', (0x563acd73bee0), rb)
^  Call: (185) [user] read_list(')', (0x563acd73bee0), _344326)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _346184)
   Exit: (187) [system] peek_char((0x563acd73bee0), ')')
   Call: (187) [system] ')'=(;)
   Fail: (187) [system] ')'=(;)
   Call: (187) [system] ')'=(/)
   Fail: (187) [system] ')'=(/)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Fail: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Fail: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Fail: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
   Fail: (188) [system] char_type(')', cntrl)
^  Fail: (187) [user] is_like_space(')')
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _362194)
   Exit: (186) [system] peek_char((0x563acd73bee0), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x563acd73bee0), _365984)
   Exit: (186) [system] get_char((0x563acd73bee0), ')')
   Call: (186) [system] _344326=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x563acd73bee0), [])
   Call: (185) [system] _221898=[rb]
   Exit: (185) [system] [rb]=[rb]
^  Exit: (184) [user] read_list(')', (0x563acd73bee0), [rb])
^  Exit: (183) [user] cont_sexpr(')', (0x563acd73bee0), [rb])
^  Call: (183) [user] read_list(')', (0x563acd73bee0), _374278)
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _376136)
   Exit: (185) [system] peek_char((0x563acd73bee0), ' ')
   Call: (185) [system] ' '=(;)
   Fail: (185) [system] ' '=(;)
   Call: (185) [system] ' '=(/)
   Fail: (185) [system] ' '=(/)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x563acd73bee0), _385730)
   Exit: (185) [system] get_char((0x563acd73bee0), ' ')
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _388434)
   Exit: (186) [system] peek_char((0x563acd73bee0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _405368)
   Exit: (184) [system] peek_char((0x563acd73bee0), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x563acd73bee0), _410938)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _412796)
   Exit: (186) [system] peek_char((0x563acd73bee0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] get_char((0x563acd73bee0), _428806)
   Exit: (185) [system] get_char((0x563acd73bee0), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x563acd73bee0), _410938)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _434376)
   Exit: (187) [system] peek_char((0x563acd73bee0), :)
   Call: (187) [system] (:)=(;)
   Fail: (187) [system] (:)=(;)
   Call: (187) [system] (:)=(/)
   Fail: (187) [system] (:)=(/)
^  Call: (187) [user] is_like_space(:)
   Call: (188) [system] char_type(:, 'white')
   Fail: (188) [system] char_type(:, 'white')
   Call: (188) [system] char_type(:, end_of_line)
   Fail: (188) [system] char_type(:, end_of_line)
   Call: (188) [system] char_type(:, space)
   Fail: (188) [system] char_type(:, space)
   Call: (188) [system] char_type(:, cntrl)
   Fail: (188) [system] char_type(:, cntrl)
^  Fail: (187) [user] is_like_space(:)
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _450386)
   Exit: (186) [system] peek_char((0x563acd73bee0), :)
   Call: (186) [system] (:)=')'
   Fail: (186) [system] (:)=')'
   Call: (186) [system] (:)=end_of_file
   Fail: (186) [system] (:)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x563acd73bee0), _455956)
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _457814)
   Exit: (188) [system] peek_char((0x563acd73bee0), :)
   Call: (188) [system] (:)=(;)
   Fail: (188) [system] (:)=(;)
   Call: (188) [system] (:)=(/)
   Fail: (188) [system] (:)=(/)
^  Call: (188) [user] is_like_space(:)
   Call: (189) [system] char_type(:, 'white')
   Fail: (189) [system] char_type(:, 'white')
   Call: (189) [system] char_type(:, end_of_line)
   Fail: (189) [system] char_type(:, end_of_line)
   Call: (189) [system] char_type(:, space)
   Fail: (189) [system] char_type(:, space)
   Call: (189) [system] char_type(:, cntrl)
   Fail: (189) [system] char_type(:, cntrl)
^  Fail: (188) [user] is_like_space(:)
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] get_char((0x563acd73bee0), _473824)
   Exit: (187) [system] get_char((0x563acd73bee0), :)
   Call: (187) [system] (:)='('
   Fail: (187) [system] (:)='('
   Call: (187) [system] (:)='['
   Fail: (187) [system] (:)='['
   Call: (187) [system] (:)='{'
   Fail: (187) [system] (:)='{'
   Call: (187) [system] (:)='"'
   Fail: (187) [system] (:)='"'
   Call: (187) [system] (:)=!
   Fail: (187) [system] (:)=!
   Call: (187) [system] (:)='\''
   Fail: (187) [system] (:)='\''
   Call: (187) [system] (:)='`'
   Fail: (187) [system] (:)='`'
   Call: (187) [system] (:)=end_of_file
   Fail: (187) [system] (:)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x563acd73bee0), :, _455956)
^  Call: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), _491466)
   Call: (189) [system] peek_char((0x563acd73bee0), _492400)
   Exit: (189) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (189) [user] is_delimiter(' ')
   Call: (190) [system] char_type(' ', space)
   Exit: (190) [system] char_type(' ', space)
^  Exit: (189) [user] is_delimiter(' ')
   Call: (189) [system] _491466=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (188) [user] classify_and_convert_charseq([:], _455956)
^  Call: (189) [user] classify_and_convert_charseq_([:], _501684)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_502636, _502638), once(user:catch(read_from_chars([:], _501684), _502618, fail)), '$restore_trace'(_502636, _502638))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_502636, _502638))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _502618, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(:)
   Exit: (190) [system] atomic(:)
^  Exit: (189) [user] classify_and_convert_charseq_([:], :)
   Call: (189) [system] integer(:)
   Fail: (189) [system] integer(:)
   Call: (189) [system] _455956=(:)
   Exit: (189) [system] (:)=(:)
^  Exit: (188) [user] classify_and_convert_charseq([:], :)
^  Exit: (187) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (186) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (186) [user] read_list(')', (0x563acd73bee0), _514764)
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _516622)
   Exit: (188) [system] peek_char((0x563acd73bee0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x563acd73bee0), _526216)
   Exit: (188) [system] get_char((0x563acd73bee0), ' ')
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _528920)
   Exit: (189) [system] peek_char((0x563acd73bee0), 'M')
   Call: (189) [system] 'M'=(;)
   Fail: (189) [system] 'M'=(;)
   Call: (189) [system] 'M'=(/)
   Fail: (189) [system] 'M'=(/)
^  Call: (189) [user] is_like_space('M')
   Call: (190) [system] char_type('M', 'white')
   Fail: (190) [system] char_type('M', 'white')
   Call: (190) [system] char_type('M', end_of_line)
   Fail: (190) [system] char_type('M', end_of_line)
   Call: (190) [system] char_type('M', space)
   Fail: (190) [system] char_type('M', space)
   Call: (190) [system] char_type('M', cntrl)
   Fail: (190) [system] char_type('M', cntrl)
^  Fail: (189) [user] is_like_space('M')
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _545854)
   Exit: (187) [system] peek_char((0x563acd73bee0), 'M')
   Call: (187) [system] 'M'=')'
   Fail: (187) [system] 'M'=')'
   Call: (187) [system] 'M'=end_of_file
   Fail: (187) [system] 'M'=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x563acd73bee0), _551424)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _553282)
   Exit: (189) [system] peek_char((0x563acd73bee0), 'M')
   Call: (189) [system] 'M'=(;)
   Fail: (189) [system] 'M'=(;)
   Call: (189) [system] 'M'=(/)
   Fail: (189) [system] 'M'=(/)
^  Call: (189) [user] is_like_space('M')
   Call: (190) [system] char_type('M', 'white')
   Fail: (190) [system] char_type('M', 'white')
   Call: (190) [system] char_type('M', end_of_line)
   Fail: (190) [system] char_type('M', end_of_line)
   Call: (190) [system] char_type('M', space)
   Fail: (190) [system] char_type('M', space)
   Call: (190) [system] char_type('M', cntrl)
   Fail: (190) [system] char_type('M', cntrl)
^  Fail: (189) [user] is_like_space('M')
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] get_char((0x563acd73bee0), _569292)
   Exit: (188) [system] get_char((0x563acd73bee0), 'M')
   Call: (188) [system] 'M'='('
   Fail: (188) [system] 'M'='('
   Call: (188) [system] 'M'='['
   Fail: (188) [system] 'M'='['
   Call: (188) [system] 'M'='{'
   Fail: (188) [system] 'M'='{'
   Call: (188) [system] 'M'='"'
   Fail: (188) [system] 'M'='"'
   Call: (188) [system] 'M'=!
   Fail: (188) [system] 'M'=!
   Call: (188) [system] 'M'='\''
   Fail: (188) [system] 'M'='\''
   Call: (188) [system] 'M'='`'
   Fail: (188) [system] 'M'='`'
   Call: (188) [system] 'M'=end_of_file
   Fail: (188) [system] 'M'=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x563acd73bee0), 'M', _551424)
^  Call: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), _586934)
   Call: (190) [system] peek_char((0x563acd73bee0), _587868)
   Exit: (190) [system] peek_char((0x563acd73bee0), o)
^  Call: (190) [user] is_delimiter(o)
   Call: (191) [system] char_type(o, space)
   Fail: (191) [system] char_type(o, space)
   Call: (191) [system] arg(_592588, v('(', ')', end_of_file), o)
   Fail: (191) [system] arg(_593520, v('(', ')', end_of_file), o)
^  Fail: (190) [user] is_delimiter(o)
   Call: (190) [system] ')'==o
   Fail: (190) [system] ')'==o
   Call: (190) [system] get_char((0x563acd73bee0), o)
   Exit: (190) [system] get_char((0x563acd73bee0), o)
   Call: (190) [system] o=(\)
   Fail: (190) [system] o=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), _600870)
   Call: (191) [system] peek_char((0x563acd73bee0), _601804)
   Exit: (191) [system] peek_char((0x563acd73bee0), d)
^  Call: (191) [user] is_delimiter(d)
   Call: (192) [system] char_type(d, space)
   Fail: (192) [system] char_type(d, space)
   Call: (192) [system] arg(_606524, v('(', ')', end_of_file), d)
   Fail: (192) [system] arg(_607456, v('(', ')', end_of_file), d)
^  Fail: (191) [user] is_delimiter(d)
   Call: (191) [system] ')'==d
   Fail: (191) [system] ')'==d
   Call: (191) [system] get_char((0x563acd73bee0), d)
   Exit: (191) [system] get_char((0x563acd73bee0), d)
   Call: (191) [system] d=(\)
   Fail: (191) [system] d=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), _614806)
   Call: (192) [system] peek_char((0x563acd73bee0), _615740)
   Exit: (192) [system] peek_char((0x563acd73bee0), u)
^  Call: (192) [user] is_delimiter(u)
   Call: (193) [system] char_type(u, space)
   Fail: (193) [system] char_type(u, space)
   Call: (193) [system] arg(_620460, v('(', ')', end_of_file), u)
   Fail: (193) [system] arg(_621392, v('(', ')', end_of_file), u)
^  Fail: (192) [user] is_delimiter(u)
   Call: (192) [system] ')'==u
   Fail: (192) [system] ')'==u
   Call: (192) [system] get_char((0x563acd73bee0), u)
   Exit: (192) [system] get_char((0x563acd73bee0), u)
   Call: (192) [system] u=(\)
   Fail: (192) [system] u=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), _628742)
   Call: (193) [system] peek_char((0x563acd73bee0), _629676)
   Exit: (193) [system] peek_char((0x563acd73bee0), s)
^  Call: (193) [user] is_delimiter(s)
   Call: (194) [system] char_type(s, space)
   Fail: (194) [system] char_type(s, space)
   Call: (194) [system] arg(_634396, v('(', ')', end_of_file), s)
   Fail: (194) [system] arg(_635328, v('(', ')', end_of_file), s)
^  Fail: (193) [user] is_delimiter(s)
   Call: (193) [system] ')'==s
   Fail: (193) [system] ')'==s
   Call: (193) [system] get_char((0x563acd73bee0), s)
   Exit: (193) [system] get_char((0x563acd73bee0), s)
   Call: (193) [system] s=(\)
   Fail: (193) [system] s=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _642678)
   Call: (194) [system] peek_char((0x563acd73bee0), _643612)
   Exit: (194) [system] peek_char((0x563acd73bee0), 'P')
^  Call: (194) [user] is_delimiter('P')
   Call: (195) [system] char_type('P', space)
   Fail: (195) [system] char_type('P', space)
   Call: (195) [system] arg(_648332, v('(', ')', end_of_file), 'P')
   Fail: (195) [system] arg(_649264, v('(', ')', end_of_file), 'P')
^  Fail: (194) [user] is_delimiter('P')
   Call: (194) [system] ')'=='P'
   Fail: (194) [system] ')'=='P'
   Call: (194) [system] get_char((0x563acd73bee0), 'P')
   Exit: (194) [system] get_char((0x563acd73bee0), 'P')
   Call: (194) [system] 'P'=(\)
   Fail: (194) [system] 'P'=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _656614)
   Call: (195) [system] peek_char((0x563acd73bee0), _657548)
   Exit: (195) [system] peek_char((0x563acd73bee0), o)
^  Call: (195) [user] is_delimiter(o)
   Call: (196) [system] char_type(o, space)
   Fail: (196) [system] char_type(o, space)
   Call: (196) [system] arg(_662268, v('(', ')', end_of_file), o)
   Fail: (196) [system] arg(_663200, v('(', ')', end_of_file), o)
^  Fail: (195) [user] is_delimiter(o)
   Call: (195) [system] ')'==o
   Fail: (195) [system] ')'==o
   Call: (195) [system] get_char((0x563acd73bee0), o)
   Exit: (195) [system] get_char((0x563acd73bee0), o)
   Call: (195) [system] o=(\)
   Fail: (195) [system] o=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _670550)
   Call: (196) [system] peek_char((0x563acd73bee0), _671484)
   Exit: (196) [system] peek_char((0x563acd73bee0), n)
^  Call: (196) [user] is_delimiter(n)
   Call: (197) [system] char_type(n, space)
   Fail: (197) [system] char_type(n, space)
   Call: (197) [system] arg(_676204, v('(', ')', end_of_file), n)
   Fail: (197) [system] arg(_677136, v('(', ')', end_of_file), n)
^  Fail: (196) [user] is_delimiter(n)
   Call: (196) [system] ')'==n
   Fail: (196) [system] ')'==n
   Call: (196) [system] get_char((0x563acd73bee0), n)
   Exit: (196) [system] get_char((0x563acd73bee0), n)
   Call: (196) [system] n=(\)
   Fail: (196) [system] n=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _684486)
   Call: (197) [system] peek_char((0x563acd73bee0), _685420)
   Exit: (197) [system] peek_char((0x563acd73bee0), e)
^  Call: (197) [user] is_delimiter(e)
   Call: (198) [system] char_type(e, space)
   Fail: (198) [system] char_type(e, space)
   Call: (198) [system] arg(_690140, v('(', ')', end_of_file), e)
   Fail: (198) [system] arg(_691072, v('(', ')', end_of_file), e)
^  Fail: (197) [user] is_delimiter(e)
   Call: (197) [system] ')'==e
   Fail: (197) [system] ')'==e
   Call: (197) [system] get_char((0x563acd73bee0), e)
   Exit: (197) [system] get_char((0x563acd73bee0), e)
   Call: (197) [system] e=(\)
   Fail: (197) [system] e=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _698422)
   Call: (198) [system] peek_char((0x563acd73bee0), _699356)
   Exit: (198) [system] peek_char((0x563acd73bee0), n)
^  Call: (198) [user] is_delimiter(n)
   Call: (199) [system] char_type(n, space)
   Fail: (199) [system] char_type(n, space)
   Call: (199) [system] arg(_704076, v('(', ')', end_of_file), n)
   Fail: (199) [system] arg(_705008, v('(', ')', end_of_file), n)
^  Fail: (198) [user] is_delimiter(n)
   Call: (198) [system] ')'==n
   Fail: (198) [system] ')'==n
   Call: (198) [system] get_char((0x563acd73bee0), n)
   Exit: (198) [system] get_char((0x563acd73bee0), n)
   Call: (198) [system] n=(\)
   Fail: (198) [system] n=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _712358)
   Call: (199) [system] peek_char((0x563acd73bee0), _713292)
   Exit: (199) [system] peek_char((0x563acd73bee0), s)
^  Call: (199) [user] is_delimiter(s)
   Call: (200) [system] char_type(s, space)
   Fail: (200) [system] char_type(s, space)
   Call: (200) [system] arg(_718012, v('(', ')', end_of_file), s)
   Fail: (200) [system] arg(_718944, v('(', ')', end_of_file), s)
^  Fail: (199) [user] is_delimiter(s)
   Call: (199) [system] ')'==s
   Fail: (199) [system] ')'==s
   Call: (199) [system] get_char((0x563acd73bee0), s)
   Exit: (199) [system] get_char((0x563acd73bee0), s)
   Call: (199) [system] s=(\)
   Fail: (199) [system] s=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _726294)
   Call: (200) [system] peek_char((0x563acd73bee0), _727228)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _726294=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (199) [system] _712358=[s]
   Exit: (199) [system] [s]=[s]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [s])
   Call: (198) [system] _698422=[n, s]
   Exit: (198) [system] [n, s]=[n, s]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, s])
   Call: (197) [system] _684486=[e, n, s]
   Exit: (197) [system] [e, n, s]=[e, n, s]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, n, s])
   Call: (196) [system] _670550=[n, e, n, s]
   Exit: (196) [system] [n, e, n, s]=[n, e, n, s]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, e, n, s])
   Call: (195) [system] _656614=[o, n, e, n, s]
   Exit: (195) [system] [o, n, e, n, s]=[o, n, e, n, s]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, e, n, s])
   Call: (194) [system] _642678=['P', o, n, e, n, s]
   Exit: (194) [system] ['P', o, n, e, n, s]=['P', o, n, e, n, s]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), ['P', o, n, e, n, s])
   Call: (193) [system] _628742=[s, 'P', o, n, e, n, s]
   Exit: (193) [system] [s, 'P', o, n, e, n, s]=[s, 'P', o, n, e, n, s]
^  Exit: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, 'P', o, n, e, n, s])
   Call: (192) [system] _614806=[u, s, 'P', o, n, e, n, s]
   Exit: (192) [system] [u, s, 'P', o, n, e, n, s]=[u, s, 'P', o, n, e, n, s]
^  Exit: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, s, 'P', o, n, e, n, s])
   Call: (191) [system] _600870=[d, u, s, 'P', o, n, e, n, s]
   Exit: (191) [system] [d, u, s, 'P', o, n, e, n, s]=[d, u, s, 'P', o, n, e, n, s]
^  Exit: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, u, s, 'P', o, n, e, n, s])
   Call: (190) [system] _586934=[o, d, u, s, 'P', o, n, e, n, s]
   Exit: (190) [system] [o, d, u, s, 'P', o, n, e, n, s]=[o, d, u, s, 'P', o, n, e, n, s]
^  Exit: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, d, u, s, 'P', o, n, e, n, s])
^  Call: (189) [user] classify_and_convert_charseq(['M', o, d, u, s, 'P', o, n, e, n, s], _551424)
^  Call: (190) [user] classify_and_convert_charseq_(['M', o, d, u, s, 'P', o, n, e, n, s], _764452)
^  Call: (192) [system] setup_call_cleanup('$notrace'(_765404, _765406), once(user:catch(read_from_chars(['M', o, d, u, s, 'P', o, n, e, n, s], _764452), _765386, fail)), '$restore_trace'(_765404, _765406))
^  Call: (193) [system] sig_atomic(system:'$notrace'(_765404, _765406))
^  Exit: (192) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['M', o, d, u, s, 'P', o, n, e, n, s], _764452), _765386, fail)), system:'$restore_trace'(3, -1))
   Call: (191) [system] atomic(_764452)
   Fail: (191) [system] atomic(_764452)
   Call: (191) [system] atom_chars(_764452, ['M', o, d, u, s, 'P', o, n, e, n, s])
   Exit: (191) [system] atom_chars('ModusPonens', ['M', o, d, u, s, 'P', o, n, e, n, s])
^  Exit: (190) [user] classify_and_convert_charseq_(['M', o, d, u, s, 'P', o, n, e, n, s], 'ModusPonens')
   Call: (190) [system] integer('ModusPonens')
   Fail: (190) [system] integer('ModusPonens')
   Call: (190) [system] _551424='ModusPonens'
   Exit: (190) [system] 'ModusPonens'='ModusPonens'
^  Exit: (189) [user] classify_and_convert_charseq(['M', o, d, u, s, 'P', o, n, e, n, s], 'ModusPonens')
^  Exit: (188) [user] read_symbolic(')', (0x563acd73bee0), 'M', 'ModusPonens')
^  Exit: (187) [user] cont_sexpr(')', (0x563acd73bee0), 'ModusPonens')
^  Call: (187) [user] read_list(')', (0x563acd73bee0), _779402)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _781260)
   Exit: (189) [system] peek_char((0x563acd73bee0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x563acd73bee0), _790854)
   Exit: (189) [system] get_char((0x563acd73bee0), ' ')
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _793558)
   Exit: (190) [system] peek_char((0x563acd73bee0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _810492)
   Exit: (188) [system] peek_char((0x563acd73bee0), '(')
   Call: (188) [system] '('=')'
   Fail: (188) [system] '('=')'
   Call: (188) [system] '('=end_of_file
   Fail: (188) [system] '('=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x563acd73bee0), _816062)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _817920)
   Exit: (190) [system] peek_char((0x563acd73bee0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] get_char((0x563acd73bee0), _833930)
   Exit: (189) [system] get_char((0x563acd73bee0), '(')
   Call: (189) [system] '('='('
   Exit: (189) [system] '('='('
^  Call: (189) [user] read_list(')', (0x563acd73bee0), _816062)
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _839500)
   Exit: (191) [system] peek_char((0x563acd73bee0), -)
   Call: (191) [system] (-)=(;)
   Fail: (191) [system] (-)=(;)
   Call: (191) [system] (-)=(/)
   Fail: (191) [system] (-)=(/)
^  Call: (191) [user] is_like_space(-)
   Call: (192) [system] char_type(-, 'white')
   Fail: (192) [system] char_type(-, 'white')
   Call: (192) [system] char_type(-, end_of_line)
   Fail: (192) [system] char_type(-, end_of_line)
   Call: (192) [system] char_type(-, space)
   Fail: (192) [system] char_type(-, space)
   Call: (192) [system] char_type(-, cntrl)
   Fail: (192) [system] char_type(-, cntrl)
^  Fail: (191) [user] is_like_space(-)
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _855510)
   Exit: (190) [system] peek_char((0x563acd73bee0), -)
   Call: (190) [system] (-)=')'
   Fail: (190) [system] (-)=')'
   Call: (190) [system] (-)=end_of_file
   Fail: (190) [system] (-)=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x563acd73bee0), _861080)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _862938)
   Exit: (192) [system] peek_char((0x563acd73bee0), -)
   Call: (192) [system] (-)=(;)
   Fail: (192) [system] (-)=(;)
   Call: (192) [system] (-)=(/)
   Fail: (192) [system] (-)=(/)
^  Call: (192) [user] is_like_space(-)
   Call: (193) [system] char_type(-, 'white')
   Fail: (193) [system] char_type(-, 'white')
   Call: (193) [system] char_type(-, end_of_line)
   Fail: (193) [system] char_type(-, end_of_line)
   Call: (193) [system] char_type(-, space)
   Fail: (193) [system] char_type(-, space)
   Call: (193) [system] char_type(-, cntrl)
   Fail: (193) [system] char_type(-, cntrl)
^  Fail: (192) [user] is_like_space(-)
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] get_char((0x563acd73bee0), _878948)
   Exit: (191) [system] get_char((0x563acd73bee0), -)
   Call: (191) [system] (-)='('
   Fail: (191) [system] (-)='('
   Call: (191) [system] (-)='['
   Fail: (191) [system] (-)='['
   Call: (191) [system] (-)='{'
   Fail: (191) [system] (-)='{'
   Call: (191) [system] (-)='"'
   Fail: (191) [system] (-)='"'
   Call: (191) [system] (-)=!
   Fail: (191) [system] (-)=!
   Call: (191) [system] (-)='\''
   Fail: (191) [system] (-)='\''
   Call: (191) [system] (-)='`'
   Fail: (191) [system] (-)='`'
   Call: (191) [system] (-)=end_of_file
   Fail: (191) [system] (-)=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x563acd73bee0), -, _861080)
^  Call: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), _896590)
   Call: (193) [system] peek_char((0x563acd73bee0), _897524)
   Exit: (193) [system] peek_char((0x563acd73bee0), >)
^  Call: (193) [user] is_delimiter(>)
   Call: (194) [system] char_type(>, space)
   Fail: (194) [system] char_type(>, space)
   Call: (194) [system] arg(_902244, v('(', ')', end_of_file), >)
   Fail: (194) [system] arg(_903176, v('(', ')', end_of_file), >)
^  Fail: (193) [user] is_delimiter(>)
   Call: (193) [system] ')'==(>)
   Fail: (193) [system] ')'==(>)
   Call: (193) [system] get_char((0x563acd73bee0), >)
   Exit: (193) [system] get_char((0x563acd73bee0), >)
   Call: (193) [system] (>)=(\)
   Fail: (193) [system] (>)=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _910526)
   Call: (194) [system] peek_char((0x563acd73bee0), _911460)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _910526=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (193) [system] _896590=[>]
   Exit: (193) [system] [>]=[>]
^  Exit: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), [>])
^  Call: (192) [user] classify_and_convert_charseq([-, >], _861080)
^  Call: (193) [user] classify_and_convert_charseq_([-, >], _923538)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_924490, _924492), once(user:catch(read_from_chars([-, >], _923538), _924472, fail)), '$restore_trace'(_924490, _924492))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_924490, _924492))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _924472, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(->)
   Exit: (194) [system] atomic(->)
^  Exit: (193) [user] classify_and_convert_charseq_([-, >], ->)
   Call: (193) [system] integer(->)
   Fail: (193) [system] integer(->)
   Call: (193) [system] _861080=(->)
   Exit: (193) [system] (->)=(->)
^  Exit: (192) [user] classify_and_convert_charseq([-, >], ->)
^  Exit: (191) [user] read_symbolic(')', (0x563acd73bee0), -, ->)
^  Exit: (190) [user] cont_sexpr(')', (0x563acd73bee0), ->)
^  Call: (190) [user] read_list(')', (0x563acd73bee0), _936618)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _938476)
   Exit: (192) [system] peek_char((0x563acd73bee0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x563acd73bee0), _948070)
   Exit: (192) [system] get_char((0x563acd73bee0), ' ')
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _950774)
   Exit: (193) [system] peek_char((0x563acd73bee0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _967708)
   Exit: (191) [system] peek_char((0x563acd73bee0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x563acd73bee0), _973278)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _975136)
   Exit: (193) [system] peek_char((0x563acd73bee0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] get_char((0x563acd73bee0), _991146)
   Exit: (192) [system] get_char((0x563acd73bee0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _973278)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _996716)
   Exit: (194) [system] peek_char((0x563acd73bee0), 'I')
   Call: (194) [system] 'I'=(;)
   Fail: (194) [system] 'I'=(;)
   Call: (194) [system] 'I'=(/)
   Fail: (194) [system] 'I'=(/)
^  Call: (194) [user] is_like_space('I')
   Call: (195) [system] char_type('I', 'white')
   Fail: (195) [system] char_type('I', 'white')
   Call: (195) [system] char_type('I', end_of_line)
   Fail: (195) [system] char_type('I', end_of_line)
   Call: (195) [system] char_type('I', space)
   Fail: (195) [system] char_type('I', space)
   Call: (195) [system] char_type('I', cntrl)
   Fail: (195) [system] char_type('I', cntrl)
^  Fail: (194) [user] is_like_space('I')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1012726)
   Exit: (193) [system] peek_char((0x563acd73bee0), 'I')
   Call: (193) [system] 'I'=')'
   Fail: (193) [system] 'I'=')'
   Call: (193) [system] 'I'=end_of_file
   Fail: (193) [system] 'I'=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x563acd73bee0), _1018296)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1020154)
   Exit: (195) [system] peek_char((0x563acd73bee0), 'I')
   Call: (195) [system] 'I'=(;)
   Fail: (195) [system] 'I'=(;)
   Call: (195) [system] 'I'=(/)
   Fail: (195) [system] 'I'=(/)
^  Call: (195) [user] is_like_space('I')
   Call: (196) [system] char_type('I', 'white')
   Fail: (196) [system] char_type('I', 'white')
   Call: (196) [system] char_type('I', end_of_line)
   Fail: (196) [system] char_type('I', end_of_line)
   Call: (196) [system] char_type('I', space)
   Fail: (196) [system] char_type('I', space)
   Call: (196) [system] char_type('I', cntrl)
   Fail: (196) [system] char_type('I', cntrl)
^  Fail: (195) [user] is_like_space('I')
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] get_char((0x563acd73bee0), _1036164)
   Exit: (194) [system] get_char((0x563acd73bee0), 'I')
   Call: (194) [system] 'I'='('
   Fail: (194) [system] 'I'='('
   Call: (194) [system] 'I'='['
   Fail: (194) [system] 'I'='['
   Call: (194) [system] 'I'='{'
   Fail: (194) [system] 'I'='{'
   Call: (194) [system] 'I'='"'
   Fail: (194) [system] 'I'='"'
   Call: (194) [system] 'I'=!
   Fail: (194) [system] 'I'=!
   Call: (194) [system] 'I'='\''
   Fail: (194) [system] 'I'='\''
   Call: (194) [system] 'I'='`'
   Fail: (194) [system] 'I'='`'
   Call: (194) [system] 'I'=end_of_file
   Fail: (194) [system] 'I'=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x563acd73bee0), 'I', _1018296)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _1053806)
   Call: (196) [system] peek_char((0x563acd73bee0), _1054740)
   Exit: (196) [system] peek_char((0x563acd73bee0), m)
^  Call: (196) [user] is_delimiter(m)
   Call: (197) [system] char_type(m, space)
   Fail: (197) [system] char_type(m, space)
   Call: (197) [system] arg(_1059460, v('(', ')', end_of_file), m)
   Fail: (197) [system] arg(_1060392, v('(', ')', end_of_file), m)
^  Fail: (196) [user] is_delimiter(m)
   Call: (196) [system] ')'==m
   Fail: (196) [system] ')'==m
   Call: (196) [system] get_char((0x563acd73bee0), m)
   Exit: (196) [system] get_char((0x563acd73bee0), m)
   Call: (196) [system] m=(\)
   Fail: (196) [system] m=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _1067742)
   Call: (197) [system] peek_char((0x563acd73bee0), _1068676)
   Exit: (197) [system] peek_char((0x563acd73bee0), p)
^  Call: (197) [user] is_delimiter(p)
   Call: (198) [system] char_type(p, space)
   Fail: (198) [system] char_type(p, space)
   Call: (198) [system] arg(_1073396, v('(', ')', end_of_file), p)
   Fail: (198) [system] arg(_1074328, v('(', ')', end_of_file), p)
^  Fail: (197) [user] is_delimiter(p)
   Call: (197) [system] ')'==p
   Fail: (197) [system] ')'==p
   Call: (197) [system] get_char((0x563acd73bee0), p)
   Exit: (197) [system] get_char((0x563acd73bee0), p)
   Call: (197) [system] p=(\)
   Fail: (197) [system] p=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _1081678)
   Call: (198) [system] peek_char((0x563acd73bee0), _1082612)
   Exit: (198) [system] peek_char((0x563acd73bee0), l)
^  Call: (198) [user] is_delimiter(l)
   Call: (199) [system] char_type(l, space)
   Fail: (199) [system] char_type(l, space)
   Call: (199) [system] arg(_1087332, v('(', ')', end_of_file), l)
   Fail: (199) [system] arg(_1088264, v('(', ')', end_of_file), l)
^  Fail: (198) [user] is_delimiter(l)
   Call: (198) [system] ')'==l
   Fail: (198) [system] ')'==l
   Call: (198) [system] get_char((0x563acd73bee0), l)
   Exit: (198) [system] get_char((0x563acd73bee0), l)
   Call: (198) [system] l=(\)
   Fail: (198) [system] l=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _1095614)
   Call: (199) [system] peek_char((0x563acd73bee0), _1096548)
   Exit: (199) [system] peek_char((0x563acd73bee0), i)
^  Call: (199) [user] is_delimiter(i)
   Call: (200) [system] char_type(i, space)
   Fail: (200) [system] char_type(i, space)
   Call: (200) [system] arg(_1101268, v('(', ')', end_of_file), i)
   Fail: (200) [system] arg(_1102200, v('(', ')', end_of_file), i)
^  Fail: (199) [user] is_delimiter(i)
   Call: (199) [system] ')'==i
   Fail: (199) [system] ')'==i
   Call: (199) [system] get_char((0x563acd73bee0), i)
   Exit: (199) [system] get_char((0x563acd73bee0), i)
   Call: (199) [system] i=(\)
   Fail: (199) [system] i=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _1109550)
   Call: (200) [system] peek_char((0x563acd73bee0), _1110484)
   Exit: (200) [system] peek_char((0x563acd73bee0), c)
^  Call: (200) [user] is_delimiter(c)
   Call: (201) [system] char_type(c, space)
   Fail: (201) [system] char_type(c, space)
   Call: (201) [system] arg(_1115204, v('(', ')', end_of_file), c)
   Fail: (201) [system] arg(_1116136, v('(', ')', end_of_file), c)
^  Fail: (200) [user] is_delimiter(c)
   Call: (200) [system] ')'==c
   Fail: (200) [system] ')'==c
   Call: (200) [system] get_char((0x563acd73bee0), c)
   Exit: (200) [system] get_char((0x563acd73bee0), c)
   Call: (200) [system] c=(\)
   Fail: (200) [system] c=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _1123486)
   Call: (201) [system] peek_char((0x563acd73bee0), _1124420)
   Exit: (201) [system] peek_char((0x563acd73bee0), a)
^  Call: (201) [user] is_delimiter(a)
   Call: (202) [system] char_type(a, space)
   Fail: (202) [system] char_type(a, space)
   Call: (202) [system] arg(_1129140, v('(', ')', end_of_file), a)
   Fail: (202) [system] arg(_1130072, v('(', ')', end_of_file), a)
^  Fail: (201) [user] is_delimiter(a)
   Call: (201) [system] ')'==a
   Fail: (201) [system] ')'==a
   Call: (201) [system] get_char((0x563acd73bee0), a)
   Exit: (201) [system] get_char((0x563acd73bee0), a)
   Call: (201) [system] a=(\)
   Fail: (201) [system] a=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _1137422)
   Call: (202) [system] peek_char((0x563acd73bee0), _1138356)
   Exit: (202) [system] peek_char((0x563acd73bee0), t)
^  Call: (202) [user] is_delimiter(t)
   Call: (203) [system] char_type(t, space)
   Fail: (203) [system] char_type(t, space)
   Call: (203) [system] arg(_1143076, v('(', ')', end_of_file), t)
   Fail: (203) [system] arg(_1144008, v('(', ')', end_of_file), t)
^  Fail: (202) [user] is_delimiter(t)
   Call: (202) [system] ')'==t
   Fail: (202) [system] ')'==t
   Call: (202) [system] get_char((0x563acd73bee0), t)
   Exit: (202) [system] get_char((0x563acd73bee0), t)
   Call: (202) [system] t=(\)
   Fail: (202) [system] t=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1151358)
   Call: (203) [system] peek_char((0x563acd73bee0), _1152292)
   Exit: (203) [system] peek_char((0x563acd73bee0), i)
^  Call: (203) [user] is_delimiter(i)
   Call: (204) [system] char_type(i, space)
   Fail: (204) [system] char_type(i, space)
   Call: (204) [system] arg(_1157012, v('(', ')', end_of_file), i)
   Fail: (204) [system] arg(_1157944, v('(', ')', end_of_file), i)
^  Fail: (203) [user] is_delimiter(i)
   Call: (203) [system] ')'==i
   Fail: (203) [system] ')'==i
   Call: (203) [system] get_char((0x563acd73bee0), i)
   Exit: (203) [system] get_char((0x563acd73bee0), i)
   Call: (203) [system] i=(\)
   Fail: (203) [system] i=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1165294)
   Call: (204) [system] peek_char((0x563acd73bee0), _1166228)
   Exit: (204) [system] peek_char((0x563acd73bee0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_1170948, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_1171880, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x563acd73bee0), o)
   Exit: (204) [system] get_char((0x563acd73bee0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1179230)
   Call: (205) [system] peek_char((0x563acd73bee0), _1180164)
   Exit: (205) [system] peek_char((0x563acd73bee0), n)
^  Call: (205) [user] is_delimiter(n)
   Call: (206) [system] char_type(n, space)
   Fail: (206) [system] char_type(n, space)
   Call: (206) [system] arg(_1184884, v('(', ')', end_of_file), n)
   Fail: (206) [system] arg(_1185816, v('(', ')', end_of_file), n)
^  Fail: (205) [user] is_delimiter(n)
   Call: (205) [system] ')'==n
   Fail: (205) [system] ')'==n
   Call: (205) [system] get_char((0x563acd73bee0), n)
   Exit: (205) [system] get_char((0x563acd73bee0), n)
   Call: (205) [system] n=(\)
   Fail: (205) [system] n=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1193166)
   Call: (206) [system] peek_char((0x563acd73bee0), _1194100)
   Exit: (206) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (206) [user] is_delimiter('L')
   Call: (207) [system] char_type('L', space)
   Fail: (207) [system] char_type('L', space)
   Call: (207) [system] arg(_1198820, v('(', ')', end_of_file), 'L')
   Fail: (207) [system] arg(_1199752, v('(', ')', end_of_file), 'L')
^  Fail: (206) [user] is_delimiter('L')
   Call: (206) [system] ')'=='L'
   Fail: (206) [system] ')'=='L'
   Call: (206) [system] get_char((0x563acd73bee0), 'L')
   Exit: (206) [system] get_char((0x563acd73bee0), 'L')
   Call: (206) [system] 'L'=(\)
   Fail: (206) [system] 'L'=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1207102)
   Call: (207) [system] peek_char((0x563acd73bee0), _1208036)
   Exit: (207) [system] peek_char((0x563acd73bee0), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Fail: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_1212756, v('(', ')', end_of_file), i)
   Fail: (208) [system] arg(_1213688, v('(', ')', end_of_file), i)
^  Fail: (207) [user] is_delimiter(i)
   Call: (207) [system] ')'==i
   Fail: (207) [system] ')'==i
   Call: (207) [system] get_char((0x563acd73bee0), i)
   Exit: (207) [system] get_char((0x563acd73bee0), i)
   Call: (207) [system] i=(\)
   Fail: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1221038)
   Call: (208) [system] peek_char((0x563acd73bee0), _1221972)
   Exit: (208) [system] peek_char((0x563acd73bee0), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Fail: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_1226692, v('(', ')', end_of_file), n)
   Fail: (209) [system] arg(_1227624, v('(', ')', end_of_file), n)
^  Fail: (208) [user] is_delimiter(n)
   Call: (208) [system] ')'==n
   Fail: (208) [system] ')'==n
   Call: (208) [system] get_char((0x563acd73bee0), n)
   Exit: (208) [system] get_char((0x563acd73bee0), n)
   Call: (208) [system] n=(\)
   Fail: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1234974)
   Call: (209) [system] peek_char((0x563acd73bee0), _1235908)
   Exit: (209) [system] peek_char((0x563acd73bee0), k)
^  Call: (209) [user] is_delimiter(k)
   Call: (210) [system] char_type(k, space)
   Fail: (210) [system] char_type(k, space)
   Call: (210) [system] arg(_1240628, v('(', ')', end_of_file), k)
   Fail: (210) [system] arg(_1241560, v('(', ')', end_of_file), k)
^  Fail: (209) [user] is_delimiter(k)
   Call: (209) [system] ')'==k
   Fail: (209) [system] ')'==k
   Call: (209) [system] get_char((0x563acd73bee0), k)
   Exit: (209) [system] get_char((0x563acd73bee0), k)
   Call: (209) [system] k=(\)
   Fail: (209) [system] k=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1248910)
   Call: (210) [system] peek_char((0x563acd73bee0), _1249844)
   Exit: (210) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1248910=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (209) [system] _1234974=[k]
   Exit: (209) [system] [k]=[k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (208) [system] _1221038=[n, k]
   Exit: (208) [system] [n, k]=[n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (207) [system] _1207102=[i, n, k]
   Exit: (207) [system] [i, n, k]=[i, n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (206) [system] _1193166=['L', i, n, k]
   Exit: (206) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (205) [system] _1179230=[n, 'L', i, n, k]
   Exit: (205) [system] [n, 'L', i, n, k]=[n, 'L', i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'L', i, n, k])
   Call: (204) [system] _1165294=[o, n, 'L', i, n, k]
   Exit: (204) [system] [o, n, 'L', i, n, k]=[o, n, 'L', i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'L', i, n, k])
   Call: (203) [system] _1151358=[i, o, n, 'L', i, n, k]
   Exit: (203) [system] [i, o, n, 'L', i, n, k]=[i, o, n, 'L', i, n, k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'L', i, n, k])
   Call: (202) [system] _1137422=[t, i, o, n, 'L', i, n, k]
   Exit: (202) [system] [t, i, o, n, 'L', i, n, k]=[t, i, o, n, 'L', i, n, k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'L', i, n, k])
   Call: (201) [system] _1123486=[a, t, i, o, n, 'L', i, n, k]
   Exit: (201) [system] [a, t, i, o, n, 'L', i, n, k]=[a, t, i, o, n, 'L', i, n, k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n, 'L', i, n, k])
   Call: (200) [system] _1109550=[c, a, t, i, o, n, 'L', i, n, k]
   Exit: (200) [system] [c, a, t, i, o, n, 'L', i, n, k]=[c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n, 'L', i, n, k])
   Call: (199) [system] _1095614=[i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (199) [system] [i, c, a, t, i, o, n, 'L', i, n, k]=[i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n, 'L', i, n, k])
   Call: (198) [system] _1081678=[l, i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (198) [system] [l, i, c, a, t, i, o, n, 'L', i, n, k]=[l, i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n, 'L', i, n, k])
   Call: (197) [system] _1067742=[p, l, i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (197) [system] [p, l, i, c, a, t, i, o, n, 'L', i, n, k]=[p, l, i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n, 'L', i, n, k])
   Call: (196) [system] _1053806=[m, p, l, i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (196) [system] [m, p, l, i, c, a, t, i, o, n, 'L', i, n, k]=[m, p, l, i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n, 'L', i, n, k])
^  Call: (195) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _1018296)
^  Call: (196) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _1298244)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_1299196, _1299198), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _1298244), _1299178, fail)), '$restore_trace'(_1299196, _1299198))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_1299196, _1299198))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _1298244), _1299178, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(_1298244)
   Fail: (197) [system] atomic(_1298244)
   Call: (197) [system] atom_chars(_1298244, ['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k])
   Exit: (197) [system] atom_chars('ImplicationLink', ['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k])
^  Exit: (196) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], 'ImplicationLink')
   Call: (196) [system] integer('ImplicationLink')
   Fail: (196) [system] integer('ImplicationLink')
   Call: (196) [system] _1018296='ImplicationLink'
   Exit: (196) [system] 'ImplicationLink'='ImplicationLink'
^  Exit: (195) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], 'ImplicationLink')
^  Exit: (194) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'ImplicationLink')
^  Exit: (193) [user] cont_sexpr(')', (0x563acd73bee0), 'ImplicationLink')
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _1313194)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1315052)
   Exit: (195) [system] peek_char((0x563acd73bee0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x563acd73bee0), _1324646)
   Exit: (195) [system] get_char((0x563acd73bee0), ' ')
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1327350)
   Exit: (196) [system] peek_char((0x563acd73bee0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1344284)
   Exit: (194) [system] peek_char((0x563acd73bee0), $)
   Call: (194) [system] ($)=')'
   Fail: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x563acd73bee0), _1349854)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1351712)
   Exit: (196) [system] peek_char((0x563acd73bee0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] get_char((0x563acd73bee0), _1367722)
   Exit: (195) [system] get_char((0x563acd73bee0), $)
   Call: (195) [system] ($)='('
   Fail: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Fail: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Fail: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Fail: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Fail: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Fail: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Fail: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x563acd73bee0), $, _1349854)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _1385364)
   Call: (197) [system] peek_char((0x563acd73bee0), _1386298)
   Exit: (197) [system] peek_char((0x563acd73bee0), p)
^  Call: (197) [user] is_delimiter(p)
   Call: (198) [system] char_type(p, space)
   Fail: (198) [system] char_type(p, space)
   Call: (198) [system] arg(_1391018, v('(', ')', end_of_file), p)
   Fail: (198) [system] arg(_1391950, v('(', ')', end_of_file), p)
^  Fail: (197) [user] is_delimiter(p)
   Call: (197) [system] ')'==p
   Fail: (197) [system] ')'==p
   Call: (197) [system] get_char((0x563acd73bee0), p)
   Exit: (197) [system] get_char((0x563acd73bee0), p)
   Call: (197) [system] p=(\)
   Fail: (197) [system] p=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _1399300)
   Call: (198) [system] peek_char((0x563acd73bee0), _1400234)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _1399300=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (197) [system] _1385364=[p]
   Exit: (197) [system] [p]=[p]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [p])
^  Call: (196) [user] classify_and_convert_charseq([$, p], _1349854)
^  Call: (197) [user] classify_and_convert_charseq_([$, p], _1412312)
   Call: (198) [system] atom_chars(_1413244, ['_', p])
   Exit: (198) [system] atom_chars('_p', ['_', p])
^  Exit: (197) [user] classify_and_convert_charseq_([$, p], _p)
   Call: (197) [system] integer(_p)
   Fail: (197) [system] integer(_p)
   Call: (197) [system] _1349854=_p
   Exit: (197) [system] _p=_p
^  Exit: (196) [user] classify_and_convert_charseq([$, p], _p)
^  Exit: (195) [user] read_symbolic(')', (0x563acd73bee0), $, _p)
^  Exit: (194) [user] cont_sexpr(')', (0x563acd73bee0), _p)
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _1422536)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1424394)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x563acd73bee0), _1433988)
   Exit: (196) [system] get_char((0x563acd73bee0), ' ')
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1436692)
   Exit: (197) [system] peek_char((0x563acd73bee0), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
   Call: (197) [system] ($)=(/)
   Fail: (197) [system] ($)=(/)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1453626)
   Exit: (195) [system] peek_char((0x563acd73bee0), $)
   Call: (195) [system] ($)=')'
   Fail: (195) [system] ($)=')'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x563acd73bee0), _1459196)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1461054)
   Exit: (197) [system] peek_char((0x563acd73bee0), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
   Call: (197) [system] ($)=(/)
   Fail: (197) [system] ($)=(/)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] get_char((0x563acd73bee0), _1477064)
   Exit: (196) [system] get_char((0x563acd73bee0), $)
   Call: (196) [system] ($)='('
   Fail: (196) [system] ($)='('
   Call: (196) [system] ($)='['
   Fail: (196) [system] ($)='['
   Call: (196) [system] ($)='{'
   Fail: (196) [system] ($)='{'
   Call: (196) [system] ($)='"'
   Fail: (196) [system] ($)='"'
   Call: (196) [system] ($)=!
   Fail: (196) [system] ($)=!
   Call: (196) [system] ($)='\''
   Fail: (196) [system] ($)='\''
   Call: (196) [system] ($)='`'
   Fail: (196) [system] ($)='`'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x563acd73bee0), $, _1459196)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _1494706)
   Call: (198) [system] peek_char((0x563acd73bee0), _1495640)
   Exit: (198) [system] peek_char((0x563acd73bee0), q)
^  Call: (198) [user] is_delimiter(q)
   Call: (199) [system] char_type(q, space)
   Fail: (199) [system] char_type(q, space)
   Call: (199) [system] arg(_1500360, v('(', ')', end_of_file), q)
   Fail: (199) [system] arg(_1501292, v('(', ')', end_of_file), q)
^  Fail: (198) [user] is_delimiter(q)
   Call: (198) [system] ')'==q
   Fail: (198) [system] ')'==q
   Call: (198) [system] get_char((0x563acd73bee0), q)
   Exit: (198) [system] get_char((0x563acd73bee0), q)
   Call: (198) [system] q=(\)
   Fail: (198) [system] q=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _1508642)
   Call: (199) [system] peek_char((0x563acd73bee0), _1509576)
   Exit: (199) [system] peek_char((0x563acd73bee0), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_1514296, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _1508642=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (198) [system] _1494706=[q]
   Exit: (198) [system] [q]=[q]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [q])
^  Call: (197) [user] classify_and_convert_charseq([$, q], _1459196)
^  Call: (198) [user] classify_and_convert_charseq_([$, q], _1523526)
   Call: (199) [system] atom_chars(_1524458, ['_', q])
   Exit: (199) [system] atom_chars('_q', ['_', q])
^  Exit: (198) [user] classify_and_convert_charseq_([$, q], _q)
   Call: (198) [system] integer(_q)
   Fail: (198) [system] integer(_q)
   Call: (198) [system] _1459196=_q
   Exit: (198) [system] _q=_q
^  Exit: (197) [user] classify_and_convert_charseq([$, q], _q)
^  Exit: (196) [user] read_symbolic(')', (0x563acd73bee0), $, _q)
^  Exit: (195) [user] cont_sexpr(')', (0x563acd73bee0), _q)
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _1533750)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1535608)
   Exit: (197) [system] peek_char((0x563acd73bee0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1551618)
   Exit: (196) [system] peek_char((0x563acd73bee0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x563acd73bee0), _1555408)
   Exit: (196) [system] get_char((0x563acd73bee0), ')')
   Call: (196) [system] _1533750=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), [])
   Call: (195) [system] _1422536=[_q]
   Exit: (195) [system] [_q]=[_q]
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), [_q])
   Call: (194) [system] _1313194=[_p, _q]
   Exit: (194) [system] [_p, _q]=[_p, _q]
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), [_p, _q])
   Call: (193) [system] _973278=['ImplicationLink', _p, _q]
   Exit: (193) [system] ['ImplicationLink', _p, _q]=['ImplicationLink', _p, _q]
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), ['ImplicationLink', _p, _q])
^  Exit: (191) [user] cont_sexpr(')', (0x563acd73bee0), ['ImplicationLink', _p, _q])
^  Call: (191) [user] read_list(')', (0x563acd73bee0), _1569290)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1571148)
   Exit: (193) [system] peek_char((0x563acd73bee0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x563acd73bee0), _1580742)
   Exit: (193) [system] get_char((0x563acd73bee0), ' ')
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1583446)
   Exit: (194) [system] peek_char((0x563acd73bee0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1600380)
   Exit: (192) [system] peek_char((0x563acd73bee0), $)
   Call: (192) [system] ($)=')'
   Fail: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x563acd73bee0), _1605950)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1607808)
   Exit: (194) [system] peek_char((0x563acd73bee0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] get_char((0x563acd73bee0), _1623818)
   Exit: (193) [system] get_char((0x563acd73bee0), $)
   Call: (193) [system] ($)='('
   Fail: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Fail: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Fail: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Fail: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Fail: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Fail: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Fail: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x563acd73bee0), $, _1605950)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _1641460)
   Call: (195) [system] peek_char((0x563acd73bee0), _1642394)
   Exit: (195) [system] peek_char((0x563acd73bee0), p)
^  Call: (195) [user] is_delimiter(p)
   Call: (196) [system] char_type(p, space)
   Fail: (196) [system] char_type(p, space)
   Call: (196) [system] arg(_1647114, v('(', ')', end_of_file), p)
   Fail: (196) [system] arg(_1648046, v('(', ')', end_of_file), p)
^  Fail: (195) [user] is_delimiter(p)
   Call: (195) [system] ')'==p
   Fail: (195) [system] ')'==p
   Call: (195) [system] get_char((0x563acd73bee0), p)
   Exit: (195) [system] get_char((0x563acd73bee0), p)
   Call: (195) [system] p=(\)
   Fail: (195) [system] p=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _1655396)
   Call: (196) [system] peek_char((0x563acd73bee0), _1656330)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _1655396=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (195) [system] _1641460=[p]
   Exit: (195) [system] [p]=[p]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [p])
^  Call: (194) [user] classify_and_convert_charseq([$, p], _1605950)
^  Call: (195) [user] classify_and_convert_charseq_([$, p], _1668408)
   Call: (196) [system] atom_chars(_1669340, ['_', p])
   Exit: (196) [system] atom_chars('_p', ['_', p])
^  Exit: (195) [user] classify_and_convert_charseq_([$, p], _p)
   Call: (195) [system] integer(_p)
   Fail: (195) [system] integer(_p)
   Call: (195) [system] _1605950=_p
   Exit: (195) [system] _p=_p
^  Exit: (194) [user] classify_and_convert_charseq([$, p], _p)
^  Exit: (193) [user] read_symbolic(')', (0x563acd73bee0), $, _p)
^  Exit: (192) [user] cont_sexpr(')', (0x563acd73bee0), _p)
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _1678632)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1680490)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x563acd73bee0), _1690084)
   Exit: (194) [system] get_char((0x563acd73bee0), ' ')
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1692788)
   Exit: (195) [system] peek_char((0x563acd73bee0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1709722)
   Exit: (193) [system] peek_char((0x563acd73bee0), $)
   Call: (193) [system] ($)=')'
   Fail: (193) [system] ($)=')'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x563acd73bee0), _1715292)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1717150)
   Exit: (195) [system] peek_char((0x563acd73bee0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] get_char((0x563acd73bee0), _1733160)
   Exit: (194) [system] get_char((0x563acd73bee0), $)
   Call: (194) [system] ($)='('
   Fail: (194) [system] ($)='('
   Call: (194) [system] ($)='['
   Fail: (194) [system] ($)='['
   Call: (194) [system] ($)='{'
   Fail: (194) [system] ($)='{'
   Call: (194) [system] ($)='"'
   Fail: (194) [system] ($)='"'
   Call: (194) [system] ($)=!
   Fail: (194) [system] ($)=!
   Call: (194) [system] ($)='\''
   Fail: (194) [system] ($)='\''
   Call: (194) [system] ($)='`'
   Fail: (194) [system] ($)='`'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x563acd73bee0), $, _1715292)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _1750802)
   Call: (196) [system] peek_char((0x563acd73bee0), _1751736)
   Exit: (196) [system] peek_char((0x563acd73bee0), q)
^  Call: (196) [user] is_delimiter(q)
   Call: (197) [system] char_type(q, space)
   Fail: (197) [system] char_type(q, space)
   Call: (197) [system] arg(_1756456, v('(', ')', end_of_file), q)
   Fail: (197) [system] arg(_1757388, v('(', ')', end_of_file), q)
^  Fail: (196) [user] is_delimiter(q)
   Call: (196) [system] ')'==q
   Fail: (196) [system] ')'==q
   Call: (196) [system] get_char((0x563acd73bee0), q)
   Exit: (196) [system] get_char((0x563acd73bee0), q)
   Call: (196) [system] q=(\)
   Fail: (196) [system] q=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _1764738)
   Call: (197) [system] peek_char((0x563acd73bee0), _1765672)
   Exit: (197) [system] peek_char((0x563acd73bee0), ')')
^  Call: (197) [user] is_delimiter(')')
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] arg(_1770392, v('(', ')', end_of_file), ')')
   Exit: (198) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (197) [user] is_delimiter(')')
   Call: (197) [system] _1764738=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (196) [system] _1750802=[q]
   Exit: (196) [system] [q]=[q]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [q])
^  Call: (195) [user] classify_and_convert_charseq([$, q], _1715292)
^  Call: (196) [user] classify_and_convert_charseq_([$, q], _1779622)
   Call: (197) [system] atom_chars(_1780554, ['_', q])
   Exit: (197) [system] atom_chars('_q', ['_', q])
^  Exit: (196) [user] classify_and_convert_charseq_([$, q], _q)
   Call: (196) [system] integer(_q)
   Fail: (196) [system] integer(_q)
   Call: (196) [system] _1715292=_q
   Exit: (196) [system] _q=_q
^  Exit: (195) [user] classify_and_convert_charseq([$, q], _q)
^  Exit: (194) [user] read_symbolic(')', (0x563acd73bee0), $, _q)
^  Exit: (193) [user] cont_sexpr(')', (0x563acd73bee0), _q)
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _1789846)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1791704)
   Exit: (195) [system] peek_char((0x563acd73bee0), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
   Call: (195) [system] ')'=(/)
   Fail: (195) [system] ')'=(/)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1807714)
   Exit: (194) [system] peek_char((0x563acd73bee0), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x563acd73bee0), _1811504)
   Exit: (194) [system] get_char((0x563acd73bee0), ')')
   Call: (194) [system] _1789846=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), [])
   Call: (193) [system] _1678632=[_q]
   Exit: (193) [system] [_q]=[_q]
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), [_q])
   Call: (192) [system] _1569290=[_p, _q]
   Exit: (192) [system] [_p, _q]=[_p, _q]
^  Exit: (191) [user] read_list(')', (0x563acd73bee0), [_p, _q])
   Call: (191) [system] _936618=[['ImplicationLink', _p, _q], _p, _q]
   Exit: (191) [system] [['ImplicationLink', _p, _q], _p, _q]=[['ImplicationLink', _p, _q], _p, _q]
^  Exit: (190) [user] read_list(')', (0x563acd73bee0), [['ImplicationLink', _p, _q], _p, _q])
   Call: (190) [system] _816062=[->, ['ImplicationLink', _p, _q], _p, _q]
   Exit: (190) [system] [->, ['ImplicationLink', _p, _q], _p, _q]=[->, ['ImplicationLink', _p, _q], _p, _q]
^  Exit: (189) [user] read_list(')', (0x563acd73bee0), [->, ['ImplicationLink', _p, _q], _p, _q])
^  Exit: (188) [user] cont_sexpr(')', (0x563acd73bee0), [->, ['ImplicationLink', _p, _q], _p, _q])
^  Call: (188) [user] read_list(')', (0x563acd73bee0), _1828180)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1830038)
   Exit: (190) [system] peek_char((0x563acd73bee0), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
   Call: (190) [system] ')'=(/)
   Fail: (190) [system] ')'=(/)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1846048)
   Exit: (189) [system] peek_char((0x563acd73bee0), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x563acd73bee0), _1849838)
   Exit: (189) [system] get_char((0x563acd73bee0), ')')
   Call: (189) [system] _1828180=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x563acd73bee0), [])
   Call: (188) [system] _779402=[[->, ['ImplicationLink', _p, _q], _p, _q]]
   Exit: (188) [system] [[->, ['ImplicationLink', _p, _q], _p, _q]]=[[->, ['ImplicationLink', _p, _q], _p, _q]]
^  Exit: (187) [user] read_list(')', (0x563acd73bee0), [[->, ['ImplicationLink', _p, _q], _p, _q]])
   Call: (187) [system] _514764=['ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]
   Exit: (187) [system] ['ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]=['ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]
^  Exit: (186) [user] read_list(')', (0x563acd73bee0), ['ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]])
   Call: (186) [system] _410938=[:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]
   Exit: (186) [system] [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]=[:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]
^  Exit: (185) [user] read_list(')', (0x563acd73bee0), [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]])
^  Exit: (184) [user] cont_sexpr(')', (0x563acd73bee0), [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]])
^  Call: (184) [user] read_list(')', (0x563acd73bee0), _1863720)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1865578)
   Exit: (186) [system] peek_char((0x563acd73bee0), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
   Call: (186) [system] ')'=(/)
   Fail: (186) [system] ')'=(/)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _1881588)
   Exit: (185) [system] peek_char((0x563acd73bee0), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x563acd73bee0), _1885378)
   Exit: (185) [system] get_char((0x563acd73bee0), ')')
   Call: (185) [system] _1863720=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x563acd73bee0), [])
   Call: (184) [system] _374278=[[:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]]
   Exit: (184) [system] [[:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]]=[[:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]]
^  Exit: (183) [user] read_list(')', (0x563acd73bee0), [[:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]])
   Call: (183) [system] _185238=[[rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]]
   Exit: (183) [system] [[rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]]=[[rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]]
^  Exit: (182) [user] read_list(')', (0x563acd73bee0), [[rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]])
   Call: (182) [system] _47936=[=, [rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]]
   Exit: (182) [system] [=, [rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]]=[=, [rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]]
^  Exit: (181) [user] read_list(')', (0x563acd73bee0), [=, [rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]])
^  Exit: (180) [user] cont_sexpr(')', (0x563acd73bee0), [=, [rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]])
^  Exit: (179) [user] read_sexpr((0x563acd73bee0), [=, [rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]])
^  Call: (179) [user] assertz(metta_file_comment(109, 0, 4276, [=, [rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]], '$stream_position'(4276, 109, 0, 4276)))
^  Exit: (179) [user] assertz(metta_file_comment(109, 0, 4276, [=, [rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]], '$stream_position'(4276, 109, 0, 4276)))
^  Exit: (177) [system] once(user:(read_position((0x563acd73bee0), 109, 0, 4276, '$stream_position'(4276, 109, 0, 4276)), read_sexpr((0x563acd73bee0), [=, [rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]]), assertz(metta_file_comment(109, 0, 4276, [=, [rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]], '$stream_position'(4276, 109, 0, 4276)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_1903896, _1903898, _1903900, _1903902, _1903904))
^  Exit: (177) [user] retract(metta_file_comment(50, 0, 1601, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], '$stream_position'(1601, 50, 0, 1601)))
^  Call: (177) [user] trly(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _3084)
^  Call: (178) [user] once(call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1906820))
^  Call: (179) [user] call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1906820)
^  Call: (180) [user] untyped_to_metta([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1906820)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1909636))
^  Call: (182) [user] once(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1909636))
^  Call: (183) [user] trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1909636)
^  Call: (184) [user] once(call(mfix_vars1, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1912436))
^  Call: (185) [user] call(mfix_vars1, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1912436)
^  Call: (186) [user] mfix_vars1([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1912436)
   Call: (187) [system] var([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
   Call: (187) [system] atom([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
   Call: (187) [system] [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]==true
   Call: (187) [system] [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]==false
   Call: (187) [system] (=)=='['
   Call: (187) [system] (=)=='{'
   Call: (187) [system] is_list([[synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
   Exit: (187) [system] is_list([[synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
   Call: (187) [lists] lists:last([[synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1922658)
   Call: (188) [lists] lists:last_([[let, _query, [_kb], _query]], [synthesize, _query, _kb, _rb, _depth], _1922658)
   Call: (189) [lists] lists:last_([], [let, _query, [_kb], _query], _1922658)
   Exit: (189) [lists] lists:last_([], [let, _query, [_kb], _query], [let, _query, [_kb], _query])
   Exit: (188) [lists] lists:last_([[let, _query, [_kb], _query]], [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query])
   Exit: (187) [lists] lists:last([[synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [let, _query, [_kb], _query])
   Call: (187) [system] [let, _query, [_kb], _query]=='}'
   Call: (187) [system] [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]==[_1929174, _1929180]
   Call: (187) [system] fail
   Call: (187) [system] is_list([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
   Exit: (187) [system] is_list([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Call: (187) [user] apply:maplist(mfix_vars1, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1912436)
   Call: (188) [apply] apply:maplist_([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1912436, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(=, _1934754)
   Call: (190) [system] var(=)
   Call: (190) [system] atom(=)
   Exit: (190) [system] atom(=)
^  Call: (190) [user] symbol_concat($, _1938462, =)
   Call: (191) [system] atom_concat($, _1938462, =)
   Fail: (191) [system] atom_concat($, _1938462, =)
^  Fail: (190) [user] symbol_concat($, _1938462, =)
   Call: (190) [system] (=)==true
   Call: (190) [system] (=)==false
   Call: (190) [system] (=)==[_1944050, _1944056]
   Call: (190) [system] is_list(=)
   Call: (190) [system] string(=)
   Call: (190) [system] compound(=)
^  Call: (190) [user] symbol(=)
   Call: (191) [system] atom(=)
   Exit: (191) [system] atom(=)
^  Exit: (190) [user] symbol(=)
^  Exit: (189) [user] mfix_vars1(=, =)
   Call: (189) [apply] apply:maplist_([[synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1934756, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1([synthesize, _query, _kb, _rb, _depth], _1953318)
   Call: (191) [system] var([synthesize, _query, _kb, _rb, _depth])
   Call: (191) [system] atom([synthesize, _query, _kb, _rb, _depth])
   Call: (191) [system] [synthesize, _query, _kb, _rb, _depth]==true
   Call: (191) [system] [synthesize, _query, _kb, _rb, _depth]==false
   Call: (191) [system] synthesize=='['
   Call: (191) [system] synthesize=='{'
   Call: (191) [system] is_list([_query, _kb, _rb, _depth])
   Exit: (191) [system] is_list([_query, _kb, _rb, _depth])
   Call: (191) [lists] lists:last([_query, _kb, _rb, _depth], _1961662)
   Call: (192) [lists] lists:last_([_kb, _rb, _depth], _query, _1961662)
   Call: (193) [lists] lists:last_([_rb, _depth], _kb, _1961662)
   Call: (194) [lists] lists:last_([_depth], _rb, _1961662)
   Call: (195) [lists] lists:last_([], _depth, _1961662)
   Exit: (195) [lists] lists:last_([], _depth, _depth)
   Exit: (194) [lists] lists:last_([_depth], _rb, _depth)
   Exit: (193) [lists] lists:last_([_rb, _depth], _kb, _depth)
   Exit: (192) [lists] lists:last_([_kb, _rb, _depth], _query, _depth)
   Exit: (191) [lists] lists:last([_query, _kb, _rb, _depth], _depth)
   Call: (191) [system] _depth=='}'
   Call: (191) [system] [synthesize, _query, _kb, _rb, _depth]==[_1971906, _1971912]
   Call: (191) [system] fail
   Call: (191) [system] is_list([synthesize, _query, _kb, _rb, _depth])
   Exit: (191) [system] is_list([synthesize, _query, _kb, _rb, _depth])
^  Call: (191) [user] apply:maplist(mfix_vars1, [synthesize, _query, _kb, _rb, _depth], _1953318)
   Call: (192) [apply] apply:maplist_([synthesize, _query, _kb, _rb, _depth], _1953318, user:mfix_vars1)
^  Call: (193) [user] mfix_vars1(synthesize, _1977486)
   Call: (194) [system] var(synthesize)
   Call: (194) [system] atom(synthesize)
   Exit: (194) [system] atom(synthesize)
^  Call: (194) [user] symbol_concat($, _1981194, synthesize)
   Call: (195) [system] atom_concat($, _1981194, synthesize)
   Fail: (195) [system] atom_concat($, _1981194, synthesize)
^  Fail: (194) [user] symbol_concat($, _1981194, synthesize)
   Call: (194) [system] synthesize==true
   Call: (194) [system] synthesize==false
   Call: (194) [system] synthesize==[_1986782, _1986788]
   Call: (194) [system] is_list(synthesize)
   Call: (194) [system] string(synthesize)
   Call: (194) [system] compound(synthesize)
^  Call: (194) [user] symbol(synthesize)
   Call: (195) [system] atom(synthesize)
   Exit: (195) [system] atom(synthesize)
^  Exit: (194) [user] symbol(synthesize)
^  Exit: (193) [user] mfix_vars1(synthesize, synthesize)
   Call: (193) [apply] apply:maplist_([_query, _kb, _rb, _depth], _1977488, user:mfix_vars1)
^  Call: (194) [user] mfix_vars1(_query, _1996050)
   Call: (195) [system] var(_query)
   Call: (195) [system] atom(_query)
   Call: (195) [system] _query==true
   Call: (195) [system] _query==false
   Call: (195) [system] _query==[_2000692, _2000698]
   Call: (195) [system] is_list(_query)
   Call: (195) [system] string(_query)
   Call: (195) [system] compound(_query)
   Exit: (195) [system] compound(_query)
   Call: (195) [system] compound_name_arguments(_query, _2005326, _2005328)
   Exit: (195) [system] compound_name_arguments(_query, '$VAR', ['_query'])
   Call: (195) [system] '$VAR'\=='$VAR'
^  Exit: (183) [user] trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (182) [system] once(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _2010920))
^  Call: (182) [user] once(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _2010920))
^  Call: (183) [user] trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _2010920)
^  Call: (184) [user] once(call(cons_to_c, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _2013720))
^  Call: (185) [user] call(cons_to_c, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _2013720)
^  Call: (186) [user] cons_to_c([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _2013720)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (185) [system] call(user:cons_to_c, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (184) [system] once(user:call(cons_to_c, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]))
   Call: (184) [system] [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]\=@=[=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]
^  Exit: (183) [user] trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (182) [system] once(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1906820))
^  Call: (182) [user] once(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1906820))
^  Call: (183) [user] trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1906820)
^  Call: (184) [user] once(call(cons_to_l, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _2027678))
^  Call: (185) [user] call(cons_to_l, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _2027678)
^  Call: (186) [user] cons_to_l([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _2027678)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (185) [system] call(user:cons_to_l, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (184) [system] once(user:call(cons_to_l, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]))
   Call: (184) [system] [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]\=@=[=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]
^  Exit: (183) [user] trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (182) [system] once(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]))
^  Exit: (180) [user] untyped_to_metta([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (179) [system] call(user:untyped_to_metta, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (178) [system] once(user:call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]))
   Call: (178) [system] [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]\=@=[=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]
^  Exit: (177) [user] trly(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (174) [user] parse_sexpr_metta_IO((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (171) [user] read_sform((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (170) [system] once(user:read_sform((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]))
   Call: (169) [system] [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]==end_of_file
   Fail: (169) [system] [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1727204596.0891678), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204596.0891678), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]), 108]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x563acd7397e0), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], ynthesize_long_1727204587_629323, 108)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1727204596.0891678), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204596.0891678), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]), 108]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1727204597.4502563)
   Call: (173) [system] arg(1, t(1727204596.0891678), _3148)
   Exit: (173) [system] arg(1, t(1727204596.0891678), 1727204596.0891678)
   Call: (173) [system] _3158 is 1727204597.4502563-1727204596.0891678
   Exit: (173) [system] 1.361088514328003 is 1727204597.4502563-1727204596.0891678
   Call: (173) [system] 1.361088514328003>4
   Fail: (173) [system] 1.361088514328003>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1727204596.0891678), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204596.0891678), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]), 108]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 17)
   Call: (175) [system] atom(17+1)
   Call: (175) [system] set_flag(translated_forms, 18)
   Exit: (175) [system] set_flag(translated_forms, 18)
   Exit: (174) [$syspreds] update_flag(translated_forms, 17, 17+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 17, 17+1))
   Exit: (171) [$syspreds] flag(translated_forms, 17, 17+1)
^  Call: (171) [user] write_metta_datalog_term((0x563acd7397e0), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], ynthesize_long_1727204587_629323, 108)
^  Call: (172) [user] s2t_iz(ynthesize_long_1727204587_629323, _2079148, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _2079150)
   Call: (173) [system] (=)==(:)
^  Call: (173) [user] s2tl([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _2079150)
   Call: (174) [system] compound([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
   Exit: (174) [system] compound([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Call: (174) [user] s2t(=, _2083800)
   Call: (175) [system] compound(=)
   Call: (175) [system] (=)=_2083800
   Exit: (175) [system] (=)=(=)
^  Exit: (174) [user] s2t(=, =)
^  Call: (174) [user] s2tl([[synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _2083802)
   Call: (175) [system] compound([[synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
   Exit: (175) [system] compound([[synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Call: (175) [user] s2t([synthesize, _query, _kb, _rb, _depth], _2091218)
   Call: (176) [system] compound([synthesize, _query, _kb, _rb, _depth])
   Exit: (176) [system] compound([synthesize, _query, _kb, _rb, _depth])
   Call: (176) [system] synthesize==(->)
   Call: (176) [system] synthesize=='Cons'
   Call: (176) [system] synthesize==(=)
   Call: (176) [system] is_list([synthesize, _query, _kb, _rb, _depth])
   Exit: (176) [system] is_list([synthesize, _query, _kb, _rb, _depth])
^  Call: (176) [user] apply:maplist(s2t, [synthesize, _query, _kb, _rb, _depth], _5194)
   Call: (177) [apply] apply:maplist_([synthesize, _query, _kb, _rb, _depth], _5194, user:s2t)
^  Call: (178) [user] s2t(synthesize, _7074)
   Call: (179) [system] compound(synthesize)
   Call: (179) [system] synthesize=_7074
   Exit: (179) [system] synthesize=synthesize
^  Exit: (178) [user] s2t(synthesize, synthesize)
   Call: (178) [apply] apply:maplist_([_query, _kb, _rb, _depth], _7076, user:s2t)
^  Call: (179) [user] s2t(_query, _12648)
   Call: (180) [system] compound(_query)
   Exit: (180) [system] compound(_query)
   Call: (180) [system] is_list(_query)
^  Call: (180) [user] s2tl(_query, _12648)
   Call: (181) [system] compound(_query)
   Exit: (181) [system] compound(_query)
^  Exit: (180) [user] s2tl(_query, _query)
^  Exit: (179) [user] s2t(_query, _query)
   Call: (179) [apply] apply:maplist_([_kb, _rb, _depth], _12650, user:s2t)
^  Call: (180) [user] s2t(_kb, _21918)
   Call: (181) [system] compound(_kb)
   Exit: (181) [system] compound(_kb)
   Call: (181) [system] is_list(_kb)
^  Call: (181) [user] s2tl(_kb, _21918)
   Call: (182) [system] compound(_kb)
   Exit: (182) [system] compound(_kb)
^  Exit: (181) [user] s2tl(_kb, _kb)
^  Exit: (180) [user] s2t(_kb, _kb)
   Call: (180) [apply] apply:maplist_([_rb, _depth], _21920, user:s2t)
^  Call: (181) [user] s2t(_rb, _31188)
   Call: (182) [system] compound(_rb)
   Exit: (182) [system] compound(_rb)
   Call: (182) [system] is_list(_rb)
^  Call: (182) [user] s2tl(_rb, _31188)
   Call: (183) [system] compound(_rb)
   Exit: (183) [system] compound(_rb)
^  Exit: (182) [user] s2tl(_rb, _rb)
^  Exit: (181) [user] s2t(_rb, _rb)
   Call: (181) [apply] apply:maplist_([_depth], _31190, user:s2t)
^  Call: (182) [user] s2t(_depth, _40458)
   Call: (183) [system] compound(_depth)
   Exit: (183) [system] compound(_depth)
   Call: (183) [system] is_list(_depth)
^  Call: (183) [user] s2tl(_depth, _40458)
   Call: (184) [system] compound(_depth)
   Exit: (184) [system] compound(_depth)
^  Exit: (183) [user] s2tl(_depth, _depth)
^  Exit: (182) [user] s2t(_depth, _depth)
   Call: (182) [apply] apply:maplist_([], _40460, user:s2t)
   Exit: (182) [apply] apply:maplist_([], [], user:s2t)
   Exit: (181) [apply] apply:maplist_([_depth], [_depth], user:s2t)
   Exit: (180) [apply] apply:maplist_([_rb, _depth], [_rb, _depth], user:s2t)
   Exit: (179) [apply] apply:maplist_([_kb, _rb, _depth], [_kb, _rb, _depth], user:s2t)
   Exit: (178) [apply] apply:maplist_([_query, _kb, _rb, _depth], [_query, _kb, _rb, _depth], user:s2t)
   Exit: (177) [apply] apply:maplist_([synthesize, _query, _kb, _rb, _depth], [synthesize, _query, _kb, _rb, _depth], user:s2t)
^  Exit: (176) [apply] apply:maplist(user:s2t, [synthesize, _query, _kb, _rb, _depth], [synthesize, _query, _kb, _rb, _depth])
   Call: (176) [system] compound_name_arguments(_3408, t, [synthesize, _query, _kb, _rb, _depth])
   Exit: (176) [system] compound_name_arguments(t(synthesize, _query, _kb, _rb, _depth), t, [synthesize, _query, _kb, _rb, _depth])
^  Exit: (175) [user] s2t([synthesize, _query, _kb, _rb, _depth], t(synthesize, _query, _kb, _rb, _depth))
^  Call: (175) [user] s2tl([[let, _query, [_kb], _query]], _3410)
   Call: (176) [system] compound([[let, _query, [_kb], _query]])
   Exit: (176) [system] compound([[let, _query, [_kb], _query]])
^  Call: (176) [user] s2t([let, _query, [_kb], _query], _61838)
   Call: (177) [system] compound([let, _query, [_kb], _query])
   Exit: (177) [system] compound([let, _query, [_kb], _query])
   Call: (177) [system] let==(->)
   Call: (177) [system] let=='Cons'
   Call: (177) [system] let==(=)
   Call: (177) [system] is_list([let, _query, [_kb], _query])
   Exit: (177) [system] is_list([let, _query, [_kb], _query])
^  Call: (177) [user] apply:maplist(s2t, [let, _query, [_kb], _query], _69250)
   Call: (178) [apply] apply:maplist_([let, _query, [_kb], _query], _69250, user:s2t)
^  Call: (179) [user] s2t(let, _71130)
   Call: (180) [system] compound(let)
   Call: (180) [system] let=_71130
   Exit: (180) [system] let=let
^  Exit: (179) [user] s2t(let, let)
   Call: (179) [apply] apply:maplist_([_query, [_kb], _query], _71132, user:s2t)
^  Call: (180) [user] s2t(_query, _76704)
   Call: (181) [system] compound(_query)
   Exit: (181) [system] compound(_query)
   Call: (181) [system] is_list(_query)
^  Call: (181) [user] s2tl(_query, _76704)
   Call: (182) [system] compound(_query)
   Exit: (182) [system] compound(_query)
^  Exit: (181) [user] s2tl(_query, _query)
^  Exit: (180) [user] s2t(_query, _query)
   Call: (180) [apply] apply:maplist_([[_kb], _query], _76706, user:s2t)
^  Call: (181) [user] s2t([_kb], _85974)
   Call: (182) [system] compound([_kb])
   Exit: (182) [system] compound([_kb])
   Call: (182) [system] _kb==(->)
   Call: (182) [system] _kb=='Cons'
   Call: (182) [system] _kb==(=)
   Call: (182) [system] is_list([_kb])
   Exit: (182) [system] is_list([_kb])
^  Call: (182) [user] apply:maplist(s2t, [_kb], _93386)
   Call: (183) [apply] apply:maplist_([_kb], _93386, user:s2t)
^  Call: (184) [user] s2t(_kb, _95266)
   Call: (185) [system] compound(_kb)
   Exit: (185) [system] compound(_kb)
   Call: (185) [system] is_list(_kb)
^  Call: (185) [user] s2tl(_kb, _95266)
   Call: (186) [system] compound(_kb)
   Exit: (186) [system] compound(_kb)
^  Exit: (185) [user] s2tl(_kb, _kb)
^  Exit: (184) [user] s2t(_kb, _kb)
   Call: (184) [apply] apply:maplist_([], _95268, user:s2t)
   Exit: (184) [apply] apply:maplist_([], [], user:s2t)
   Exit: (183) [apply] apply:maplist_([_kb], [_kb], user:s2t)
^  Exit: (182) [apply] apply:maplist(user:s2t, [_kb], [_kb])
   Call: (182) [system] compound_name_arguments(_85974, t, [_kb])
   Exit: (182) [system] compound_name_arguments(t(_kb), t, [_kb])
^  Exit: (181) [user] s2t([_kb], t(_kb))
   Call: (181) [apply] apply:maplist_([_query], _85976, user:s2t)
^  Call: (182) [user] s2t(_query, _111066)
   Call: (183) [system] compound(_query)
   Exit: (183) [system] compound(_query)
   Call: (183) [system] is_list(_query)
^  Call: (183) [user] s2tl(_query, _111066)
   Call: (184) [system] compound(_query)
   Exit: (184) [system] compound(_query)
^  Exit: (183) [user] s2tl(_query, _query)
^  Exit: (182) [user] s2t(_query, _query)
   Call: (182) [apply] apply:maplist_([], _111068, user:s2t)
   Exit: (182) [apply] apply:maplist_([], [], user:s2t)
   Exit: (181) [apply] apply:maplist_([_query], [_query], user:s2t)
   Exit: (180) [apply] apply:maplist_([[_kb], _query], [t(_kb), _query], user:s2t)
   Exit: (179) [apply] apply:maplist_([_query, [_kb], _query], [_query, t(_kb), _query], user:s2t)
   Exit: (178) [apply] apply:maplist_([let, _query, [_kb], _query], [let, _query, t(_kb), _query], user:s2t)
^  Exit: (177) [apply] apply:maplist(user:s2t, [let, _query, [_kb], _query], [let, _query, t(_kb), _query])
   Call: (177) [system] compound_name_arguments(_61838, t, [let, _query, t(_kb), _query])
   Exit: (177) [system] compound_name_arguments(t(let, _query, t(_kb), _query), t, [let, _query, t(_kb), _query])
^  Exit: (176) [user] s2t([let, _query, [_kb], _query], t(let, _query, t(_kb), _query))
^  Call: (176) [user] s2tl([], _61840)
   Call: (177) [system] compound([])
   Call: (177) [system] []=_61840
   Exit: (177) [system] []=[]
^  Exit: (176) [user] s2tl([], [])
^  Exit: (175) [user] s2tl([[let, _query, [_kb], _query]], [t(let, _query, t(_kb), _query)])
^  Exit: (174) [user] s2tl([[synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query)])
^  Exit: (173) [user] s2tl([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query)])
^  Exit: (172) [user] s2t_iz(ynthesize_long_1727204587_629323, ynthesize_long_1727204587_629323, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query)])
^  Call: (172) [user] relistify([=, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query)], _137090)
   Call: (173) [system] is_list([=, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query)])
   Exit: (173) [system] is_list([=, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query)])
   Call: (173) [system] _137090=[=, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query)]
   Exit: (173) [system] [=, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query)]=[=, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query)]
^  Exit: (172) [user] relistify([=, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query)], [=, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query)])
   Call: (172) [system] _142652=..[ynthesize_long_1727204587_629323, 108, =, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query)]
   Exit: (172) [system] ynthesize_long_1727204587_629323(108, =, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query))=..[ynthesize_long_1727204587_629323, 108, =, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query)]
^  Call: (172) [user] format((0x563acd7397e0), "~q.~n", [ynthesize_long_1727204587_629323(108, =, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query))])
^  Exit: (172) [user] format((0x563acd7397e0), "~q.~n", [ynthesize_long_1727204587_629323(108, =, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query))])
^  Exit: (171) [user] write_metta_datalog_term((0x563acd7397e0), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], ynthesize_long_1727204587_629323, 108)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1727204596.0891678), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204596.0891678), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]), 108]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 17, 17+1), write_metta_datalog_term((0x563acd7397e0), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], ynthesize_long_1727204587_629323, 108)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x563acd73bee0))
   Fail: (169) [system] at_end_of_stream((0x563acd73bee0))
^  Call: (169) [user] must_det_ll(line_count((0x563acd73bee0), _3074))
^  Call: (170) [user] once(user:line_count((0x563acd73bee0), _3074))
   Call: (171) [system] line_count((0x563acd73bee0), _3074)
   Exit: (171) [system] line_count((0x563acd73bee0), 109)
^  Exit: (170) [system] once(user:line_count((0x563acd73bee0), 109))
^  Exit: (169) [user] must_det_ll(user:line_count((0x563acd73bee0), 109))
^  Call: (169) [user] must_det_ll(read_sform((0x563acd73bee0), _3084))
^  Call: (170) [user] once(user:read_sform((0x563acd73bee0), _3084))
^  Call: (171) [user] read_sform((0x563acd73bee0), _3084)
   Call: (172) [system] string((0x563acd73bee0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
   Call: (173) [system] string((0x563acd73bee0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), _3084)
   Call: (174) [system] at_end_of_stream((0x563acd73bee0))
   Call: (174) [system] peek_char((0x563acd73bee0), _167844)
   Exit: (174) [system] peek_char((0x563acd73bee0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x563acd73bee0), '\n')
   Exit: (174) [system] get_char((0x563acd73bee0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x563acd73bee0), _3084)
   Call: (175) [system] at_end_of_stream((0x563acd73bee0))
   Call: (175) [system] peek_char((0x563acd73bee0), _175266)
   Exit: (175) [system] peek_char((0x563acd73bee0), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
   Call: (176) [system] string((0x563acd73bee0))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), _3084)
   Call: (177) [system] at_end_of_stream((0x563acd73bee0))
   Call: (177) [system] peek_char((0x563acd73bee0), _183604)
   Exit: (177) [system] peek_char((0x563acd73bee0), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _186390=(0x563acd73bee0)
   Exit: (177) [system] (0x563acd73bee0)=(0x563acd73bee0)
^  Call: (177) [user] once((read_position((0x563acd73bee0), _188258, _188260, _188262, _188264), read_sexpr((0x563acd73bee0), _188276), assertz(metta_file_comment(_188258, _188260, _188262, _188276, _188264))))
^  Call: (179) [user] read_position((0x563acd73bee0), _188258, _188260, _188262, _188264)
   Call: (180) [system] stream_property((0x563acd73bee0), position(_188264))
   Call: (181) [system] nonvar((0x563acd73bee0))
   Exit: (181) [system] nonvar((0x563acd73bee0))
   Call: (181) [system] nonvar(position(_188264))
   Exit: (181) [system] nonvar(position(_188264))
   Exit: (180) [system] stream_property((0x563acd73bee0), position('$stream_position'(4336, 110, 0, 4336)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4336, 110, 0, 4336), _188258)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _198516)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(4336, 110, 0, 4336), _188258)
   Exit: (181) [system] arg(2, '$stream_position'(4336, 110, 0, 4336), 110)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4336, 110, 0, 4336), 110)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4336, 110, 0, 4336), _188260)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _205950)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(4336, 110, 0, 4336), _188260)
   Exit: (181) [system] arg(3, '$stream_position'(4336, 110, 0, 4336), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4336, 110, 0, 4336), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4336, 110, 0, 4336), _188262)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _213384)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(4336, 110, 0, 4336), _188262)
   Exit: (181) [system] arg(1, '$stream_position'(4336, 110, 0, 4336), 4336)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4336, 110, 0, 4336), 4336)
^  Exit: (179) [user] read_position((0x563acd73bee0), 110, 0, 4336, '$stream_position'(4336, 110, 0, 4336))
^  Call: (179) [user] read_sexpr((0x563acd73bee0), _188276)
   Call: (180) [system] string((0x563acd73bee0))
   Fail: (180) [system] string((0x563acd73bee0))
^  Call: (180) [user] cont_sexpr(')', (0x563acd73bee0), _188276)
^  Call: (181) [user] skip_spaces((0x563acd73bee0))
   Call: (182) [system] peek_char((0x563acd73bee0), _223610)
   Exit: (182) [system] peek_char((0x563acd73bee0), '(')
   Call: (182) [system] '('=(;)
   Fail: (182) [system] '('=(;)
   Call: (182) [system] '('=(/)
   Fail: (182) [system] '('=(/)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Fail: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Fail: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Fail: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
   Fail: (183) [system] char_type('(', cntrl)
^  Fail: (182) [user] is_like_space('(')
^  Exit: (181) [user] skip_spaces((0x563acd73bee0))
   Call: (181) [system] get_char((0x563acd73bee0), _239620)
   Exit: (181) [system] get_char((0x563acd73bee0), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x563acd73bee0), _188276)
^  Call: (182) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] peek_char((0x563acd73bee0), _245190)
   Exit: (183) [system] peek_char((0x563acd73bee0), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
   Call: (183) [system] (=)=(/)
   Fail: (183) [system] (=)=(/)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x563acd73bee0))
   Call: (182) [system] peek_char((0x563acd73bee0), _261200)
   Exit: (182) [system] peek_char((0x563acd73bee0), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x563acd73bee0), _266770)
^  Call: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _268628)
   Exit: (184) [system] peek_char((0x563acd73bee0), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
   Call: (184) [system] (=)=(/)
   Fail: (184) [system] (=)=(/)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] get_char((0x563acd73bee0), _284638)
   Exit: (183) [system] get_char((0x563acd73bee0), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x563acd73bee0), =, _266770)
^  Call: (184) [user] read_symbolic_cont(')', (0x563acd73bee0), _302280)
   Call: (185) [system] peek_char((0x563acd73bee0), _303214)
   Exit: (185) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _302280=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (184) [user] classify_and_convert_charseq([=], _266770)
^  Call: (185) [user] classify_and_convert_charseq_([=], _312498)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_313450, _313452), once(user:catch(read_from_chars([=], _312498), _313432, fail)), '$restore_trace'(_313450, _313452))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_313450, _313452))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _313432, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(=)
   Exit: (186) [system] atomic(=)
^  Exit: (185) [user] classify_and_convert_charseq_([=], =)
   Call: (185) [system] integer(=)
   Fail: (185) [system] integer(=)
   Call: (185) [system] _266770=(=)
   Exit: (185) [system] (=)=(=)
^  Exit: (184) [user] classify_and_convert_charseq([=], =)
^  Exit: (183) [user] read_symbolic(')', (0x563acd73bee0), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x563acd73bee0), =)
^  Call: (182) [user] read_list(')', (0x563acd73bee0), _325578)
^  Call: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _327436)
   Exit: (184) [system] peek_char((0x563acd73bee0), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
   Call: (184) [system] ' '=(/)
   Fail: (184) [system] ' '=(/)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x563acd73bee0), _337030)
   Exit: (184) [system] get_char((0x563acd73bee0), ' ')
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _339734)
   Exit: (185) [system] peek_char((0x563acd73bee0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
^  Exit: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] peek_char((0x563acd73bee0), _356668)
   Exit: (183) [system] peek_char((0x563acd73bee0), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x563acd73bee0), _362238)
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _364096)
   Exit: (185) [system] peek_char((0x563acd73bee0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] get_char((0x563acd73bee0), _380106)
   Exit: (184) [system] get_char((0x563acd73bee0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x563acd73bee0), _362238)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _385676)
   Exit: (186) [system] peek_char((0x563acd73bee0), r)
   Call: (186) [system] r=(;)
   Fail: (186) [system] r=(;)
   Call: (186) [system] r=(/)
   Fail: (186) [system] r=(/)
^  Call: (186) [user] is_like_space(r)
   Call: (187) [system] char_type(r, 'white')
   Fail: (187) [system] char_type(r, 'white')
   Call: (187) [system] char_type(r, end_of_line)
   Fail: (187) [system] char_type(r, end_of_line)
   Call: (187) [system] char_type(r, space)
   Fail: (187) [system] char_type(r, space)
   Call: (187) [system] char_type(r, cntrl)
   Fail: (187) [system] char_type(r, cntrl)
^  Fail: (186) [user] is_like_space(r)
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _401686)
   Exit: (185) [system] peek_char((0x563acd73bee0), r)
   Call: (185) [system] r=')'
   Fail: (185) [system] r=')'
   Call: (185) [system] r=end_of_file
   Fail: (185) [system] r=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x563acd73bee0), _407256)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _409114)
   Exit: (187) [system] peek_char((0x563acd73bee0), r)
   Call: (187) [system] r=(;)
   Fail: (187) [system] r=(;)
   Call: (187) [system] r=(/)
   Fail: (187) [system] r=(/)
^  Call: (187) [user] is_like_space(r)
   Call: (188) [system] char_type(r, 'white')
   Fail: (188) [system] char_type(r, 'white')
   Call: (188) [system] char_type(r, end_of_line)
   Fail: (188) [system] char_type(r, end_of_line)
   Call: (188) [system] char_type(r, space)
   Fail: (188) [system] char_type(r, space)
   Call: (188) [system] char_type(r, cntrl)
   Fail: (188) [system] char_type(r, cntrl)
^  Fail: (187) [user] is_like_space(r)
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] get_char((0x563acd73bee0), _425124)
   Exit: (186) [system] get_char((0x563acd73bee0), r)
   Call: (186) [system] r='('
   Fail: (186) [system] r='('
   Call: (186) [system] r='['
   Fail: (186) [system] r='['
   Call: (186) [system] r='{'
   Fail: (186) [system] r='{'
   Call: (186) [system] r='"'
   Fail: (186) [system] r='"'
   Call: (186) [system] r=!
   Fail: (186) [system] r=!
   Call: (186) [system] r='\''
   Fail: (186) [system] r='\''
   Call: (186) [system] r='`'
   Fail: (186) [system] r='`'
   Call: (186) [system] r=end_of_file
   Fail: (186) [system] r=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x563acd73bee0), r, _407256)
^  Call: (187) [user] read_symbolic_cont(')', (0x563acd73bee0), _442766)
   Call: (188) [system] peek_char((0x563acd73bee0), _443700)
   Exit: (188) [system] peek_char((0x563acd73bee0), b)
^  Call: (188) [user] is_delimiter(b)
   Call: (189) [system] char_type(b, space)
   Fail: (189) [system] char_type(b, space)
   Call: (189) [system] arg(_448420, v('(', ')', end_of_file), b)
   Fail: (189) [system] arg(_449352, v('(', ')', end_of_file), b)
^  Fail: (188) [user] is_delimiter(b)
   Call: (188) [system] ')'==b
   Fail: (188) [system] ')'==b
   Call: (188) [system] get_char((0x563acd73bee0), b)
   Exit: (188) [system] get_char((0x563acd73bee0), b)
   Call: (188) [system] b=(\)
   Fail: (188) [system] b=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), _456702)
   Call: (189) [system] peek_char((0x563acd73bee0), _457636)
   Exit: (189) [system] peek_char((0x563acd73bee0), ')')
^  Call: (189) [user] is_delimiter(')')
   Call: (190) [system] char_type(')', space)
   Fail: (190) [system] char_type(')', space)
   Call: (190) [system] arg(_462356, v('(', ')', end_of_file), ')')
   Exit: (190) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (189) [user] is_delimiter(')')
   Call: (189) [system] _456702=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (188) [system] _442766=[b]
   Exit: (188) [system] [b]=[b]
^  Exit: (187) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
^  Call: (187) [user] classify_and_convert_charseq([r, b], _407256)
^  Call: (188) [user] classify_and_convert_charseq_([r, b], _471586)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_472538, _472540), once(user:catch(read_from_chars([r, b], _471586), _472520, fail)), '$restore_trace'(_472538, _472540))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_472538, _472540))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([r, b], rb), _472520, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(rb)
   Exit: (189) [system] atomic(rb)
^  Exit: (188) [user] classify_and_convert_charseq_([r, b], rb)
   Call: (188) [system] integer(rb)
   Fail: (188) [system] integer(rb)
   Call: (188) [system] _407256=rb
   Exit: (188) [system] rb=rb
^  Exit: (187) [user] classify_and_convert_charseq([r, b], rb)
^  Exit: (186) [user] read_symbolic(')', (0x563acd73bee0), r, rb)
^  Exit: (185) [user] cont_sexpr(')', (0x563acd73bee0), rb)
^  Call: (185) [user] read_list(')', (0x563acd73bee0), _484666)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _486524)
   Exit: (187) [system] peek_char((0x563acd73bee0), ')')
   Call: (187) [system] ')'=(;)
   Fail: (187) [system] ')'=(;)
   Call: (187) [system] ')'=(/)
   Fail: (187) [system] ')'=(/)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Fail: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Fail: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Fail: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
   Fail: (188) [system] char_type(')', cntrl)
^  Fail: (187) [user] is_like_space(')')
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _502534)
   Exit: (186) [system] peek_char((0x563acd73bee0), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x563acd73bee0), _506324)
   Exit: (186) [system] get_char((0x563acd73bee0), ')')
   Call: (186) [system] _484666=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x563acd73bee0), [])
   Call: (185) [system] _362238=[rb]
   Exit: (185) [system] [rb]=[rb]
^  Exit: (184) [user] read_list(')', (0x563acd73bee0), [rb])
^  Exit: (183) [user] cont_sexpr(')', (0x563acd73bee0), [rb])
^  Call: (183) [user] read_list(')', (0x563acd73bee0), _514618)
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _516476)
   Exit: (185) [system] peek_char((0x563acd73bee0), ' ')
   Call: (185) [system] ' '=(;)
   Fail: (185) [system] ' '=(;)
   Call: (185) [system] ' '=(/)
   Fail: (185) [system] ' '=(/)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x563acd73bee0), _526070)
   Exit: (185) [system] get_char((0x563acd73bee0), ' ')
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _528774)
   Exit: (186) [system] peek_char((0x563acd73bee0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _545708)
   Exit: (184) [system] peek_char((0x563acd73bee0), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x563acd73bee0), _551278)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _553136)
   Exit: (186) [system] peek_char((0x563acd73bee0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] get_char((0x563acd73bee0), _569146)
   Exit: (185) [system] get_char((0x563acd73bee0), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x563acd73bee0), _551278)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _574716)
   Exit: (187) [system] peek_char((0x563acd73bee0), :)
   Call: (187) [system] (:)=(;)
   Fail: (187) [system] (:)=(;)
   Call: (187) [system] (:)=(/)
   Fail: (187) [system] (:)=(/)
^  Call: (187) [user] is_like_space(:)
   Call: (188) [system] char_type(:, 'white')
   Fail: (188) [system] char_type(:, 'white')
   Call: (188) [system] char_type(:, end_of_line)
   Fail: (188) [system] char_type(:, end_of_line)
   Call: (188) [system] char_type(:, space)
   Fail: (188) [system] char_type(:, space)
   Call: (188) [system] char_type(:, cntrl)
   Fail: (188) [system] char_type(:, cntrl)
^  Fail: (187) [user] is_like_space(:)
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _590726)
   Exit: (186) [system] peek_char((0x563acd73bee0), :)
   Call: (186) [system] (:)=')'
   Fail: (186) [system] (:)=')'
   Call: (186) [system] (:)=end_of_file
   Fail: (186) [system] (:)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x563acd73bee0), _596296)
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _598154)
   Exit: (188) [system] peek_char((0x563acd73bee0), :)
   Call: (188) [system] (:)=(;)
   Fail: (188) [system] (:)=(;)
   Call: (188) [system] (:)=(/)
   Fail: (188) [system] (:)=(/)
^  Call: (188) [user] is_like_space(:)
   Call: (189) [system] char_type(:, 'white')
   Fail: (189) [system] char_type(:, 'white')
   Call: (189) [system] char_type(:, end_of_line)
   Fail: (189) [system] char_type(:, end_of_line)
   Call: (189) [system] char_type(:, space)
   Fail: (189) [system] char_type(:, space)
   Call: (189) [system] char_type(:, cntrl)
   Fail: (189) [system] char_type(:, cntrl)
^  Fail: (188) [user] is_like_space(:)
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] get_char((0x563acd73bee0), _614164)
   Exit: (187) [system] get_char((0x563acd73bee0), :)
   Call: (187) [system] (:)='('
   Fail: (187) [system] (:)='('
   Call: (187) [system] (:)='['
   Fail: (187) [system] (:)='['
   Call: (187) [system] (:)='{'
   Fail: (187) [system] (:)='{'
   Call: (187) [system] (:)='"'
   Fail: (187) [system] (:)='"'
   Call: (187) [system] (:)=!
   Fail: (187) [system] (:)=!
   Call: (187) [system] (:)='\''
   Fail: (187) [system] (:)='\''
   Call: (187) [system] (:)='`'
   Fail: (187) [system] (:)='`'
   Call: (187) [system] (:)=end_of_file
   Fail: (187) [system] (:)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x563acd73bee0), :, _596296)
^  Call: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), _631806)
   Call: (189) [system] peek_char((0x563acd73bee0), _632740)
   Exit: (189) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (189) [user] is_delimiter(' ')
   Call: (190) [system] char_type(' ', space)
   Exit: (190) [system] char_type(' ', space)
^  Exit: (189) [user] is_delimiter(' ')
   Call: (189) [system] _631806=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (188) [user] classify_and_convert_charseq([:], _596296)
^  Call: (189) [user] classify_and_convert_charseq_([:], _642024)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_642976, _642978), once(user:catch(read_from_chars([:], _642024), _642958, fail)), '$restore_trace'(_642976, _642978))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_642976, _642978))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _642958, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(:)
   Exit: (190) [system] atomic(:)
^  Exit: (189) [user] classify_and_convert_charseq_([:], :)
   Call: (189) [system] integer(:)
   Fail: (189) [system] integer(:)
   Call: (189) [system] _596296=(:)
   Exit: (189) [system] (:)=(:)
^  Exit: (188) [user] classify_and_convert_charseq([:], :)
^  Exit: (187) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (186) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (186) [user] read_list(')', (0x563acd73bee0), _655104)
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _656962)
   Exit: (188) [system] peek_char((0x563acd73bee0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x563acd73bee0), _666556)
   Exit: (188) [system] get_char((0x563acd73bee0), ' ')
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _669260)
   Exit: (189) [system] peek_char((0x563acd73bee0), 'D')
   Call: (189) [system] 'D'=(;)
   Fail: (189) [system] 'D'=(;)
   Call: (189) [system] 'D'=(/)
   Fail: (189) [system] 'D'=(/)
^  Call: (189) [user] is_like_space('D')
   Call: (190) [system] char_type('D', 'white')
   Fail: (190) [system] char_type('D', 'white')
   Call: (190) [system] char_type('D', end_of_line)
   Fail: (190) [system] char_type('D', end_of_line)
   Call: (190) [system] char_type('D', space)
   Fail: (190) [system] char_type('D', space)
   Call: (190) [system] char_type('D', cntrl)
   Fail: (190) [system] char_type('D', cntrl)
^  Fail: (189) [user] is_like_space('D')
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _686194)
   Exit: (187) [system] peek_char((0x563acd73bee0), 'D')
   Call: (187) [system] 'D'=')'
   Fail: (187) [system] 'D'=')'
   Call: (187) [system] 'D'=end_of_file
   Fail: (187) [system] 'D'=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x563acd73bee0), _691764)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _693622)
   Exit: (189) [system] peek_char((0x563acd73bee0), 'D')
   Call: (189) [system] 'D'=(;)
   Fail: (189) [system] 'D'=(;)
   Call: (189) [system] 'D'=(/)
   Fail: (189) [system] 'D'=(/)
^  Call: (189) [user] is_like_space('D')
   Call: (190) [system] char_type('D', 'white')
   Fail: (190) [system] char_type('D', 'white')
   Call: (190) [system] char_type('D', end_of_line)
   Fail: (190) [system] char_type('D', end_of_line)
   Call: (190) [system] char_type('D', space)
   Fail: (190) [system] char_type('D', space)
   Call: (190) [system] char_type('D', cntrl)
   Fail: (190) [system] char_type('D', cntrl)
^  Fail: (189) [user] is_like_space('D')
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] get_char((0x563acd73bee0), _709632)
   Exit: (188) [system] get_char((0x563acd73bee0), 'D')
   Call: (188) [system] 'D'='('
   Fail: (188) [system] 'D'='('
   Call: (188) [system] 'D'='['
   Fail: (188) [system] 'D'='['
   Call: (188) [system] 'D'='{'
   Fail: (188) [system] 'D'='{'
   Call: (188) [system] 'D'='"'
   Fail: (188) [system] 'D'='"'
   Call: (188) [system] 'D'=!
   Fail: (188) [system] 'D'=!
   Call: (188) [system] 'D'='\''
   Fail: (188) [system] 'D'='\''
   Call: (188) [system] 'D'='`'
   Fail: (188) [system] 'D'='`'
   Call: (188) [system] 'D'=end_of_file
   Fail: (188) [system] 'D'=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x563acd73bee0), 'D', _691764)
^  Call: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), _727274)
   Call: (190) [system] peek_char((0x563acd73bee0), _728208)
   Exit: (190) [system] peek_char((0x563acd73bee0), e)
^  Call: (190) [user] is_delimiter(e)
   Call: (191) [system] char_type(e, space)
   Fail: (191) [system] char_type(e, space)
   Call: (191) [system] arg(_732928, v('(', ')', end_of_file), e)
   Fail: (191) [system] arg(_733860, v('(', ')', end_of_file), e)
^  Fail: (190) [user] is_delimiter(e)
   Call: (190) [system] ')'==e
   Fail: (190) [system] ')'==e
   Call: (190) [system] get_char((0x563acd73bee0), e)
   Exit: (190) [system] get_char((0x563acd73bee0), e)
   Call: (190) [system] e=(\)
   Fail: (190) [system] e=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), _741210)
   Call: (191) [system] peek_char((0x563acd73bee0), _742144)
   Exit: (191) [system] peek_char((0x563acd73bee0), d)
^  Call: (191) [user] is_delimiter(d)
   Call: (192) [system] char_type(d, space)
   Fail: (192) [system] char_type(d, space)
   Call: (192) [system] arg(_746864, v('(', ')', end_of_file), d)
   Fail: (192) [system] arg(_747796, v('(', ')', end_of_file), d)
^  Fail: (191) [user] is_delimiter(d)
   Call: (191) [system] ')'==d
   Fail: (191) [system] ')'==d
   Call: (191) [system] get_char((0x563acd73bee0), d)
   Exit: (191) [system] get_char((0x563acd73bee0), d)
   Call: (191) [system] d=(\)
   Fail: (191) [system] d=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), _755146)
   Call: (192) [system] peek_char((0x563acd73bee0), _756080)
   Exit: (192) [system] peek_char((0x563acd73bee0), u)
^  Call: (192) [user] is_delimiter(u)
   Call: (193) [system] char_type(u, space)
   Fail: (193) [system] char_type(u, space)
   Call: (193) [system] arg(_760800, v('(', ')', end_of_file), u)
   Fail: (193) [system] arg(_761732, v('(', ')', end_of_file), u)
^  Fail: (192) [user] is_delimiter(u)
   Call: (192) [system] ')'==u
   Fail: (192) [system] ')'==u
   Call: (192) [system] get_char((0x563acd73bee0), u)
   Exit: (192) [system] get_char((0x563acd73bee0), u)
   Call: (192) [system] u=(\)
   Fail: (192) [system] u=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), _769082)
   Call: (193) [system] peek_char((0x563acd73bee0), _770016)
   Exit: (193) [system] peek_char((0x563acd73bee0), c)
^  Call: (193) [user] is_delimiter(c)
   Call: (194) [system] char_type(c, space)
   Fail: (194) [system] char_type(c, space)
   Call: (194) [system] arg(_774736, v('(', ')', end_of_file), c)
   Fail: (194) [system] arg(_775668, v('(', ')', end_of_file), c)
^  Fail: (193) [user] is_delimiter(c)
   Call: (193) [system] ')'==c
   Fail: (193) [system] ')'==c
   Call: (193) [system] get_char((0x563acd73bee0), c)
   Exit: (193) [system] get_char((0x563acd73bee0), c)
   Call: (193) [system] c=(\)
   Fail: (193) [system] c=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _783018)
   Call: (194) [system] peek_char((0x563acd73bee0), _783952)
   Exit: (194) [system] peek_char((0x563acd73bee0), t)
^  Call: (194) [user] is_delimiter(t)
   Call: (195) [system] char_type(t, space)
   Fail: (195) [system] char_type(t, space)
   Call: (195) [system] arg(_788672, v('(', ')', end_of_file), t)
   Fail: (195) [system] arg(_789604, v('(', ')', end_of_file), t)
^  Fail: (194) [user] is_delimiter(t)
   Call: (194) [system] ')'==t
   Fail: (194) [system] ')'==t
   Call: (194) [system] get_char((0x563acd73bee0), t)
   Exit: (194) [system] get_char((0x563acd73bee0), t)
   Call: (194) [system] t=(\)
   Fail: (194) [system] t=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _796954)
   Call: (195) [system] peek_char((0x563acd73bee0), _797888)
   Exit: (195) [system] peek_char((0x563acd73bee0), i)
^  Call: (195) [user] is_delimiter(i)
   Call: (196) [system] char_type(i, space)
   Fail: (196) [system] char_type(i, space)
   Call: (196) [system] arg(_802608, v('(', ')', end_of_file), i)
   Fail: (196) [system] arg(_803540, v('(', ')', end_of_file), i)
^  Fail: (195) [user] is_delimiter(i)
   Call: (195) [system] ')'==i
   Fail: (195) [system] ')'==i
   Call: (195) [system] get_char((0x563acd73bee0), i)
   Exit: (195) [system] get_char((0x563acd73bee0), i)
   Call: (195) [system] i=(\)
   Fail: (195) [system] i=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _810890)
   Call: (196) [system] peek_char((0x563acd73bee0), _811824)
   Exit: (196) [system] peek_char((0x563acd73bee0), o)
^  Call: (196) [user] is_delimiter(o)
   Call: (197) [system] char_type(o, space)
   Fail: (197) [system] char_type(o, space)
   Call: (197) [system] arg(_816544, v('(', ')', end_of_file), o)
   Fail: (197) [system] arg(_817476, v('(', ')', end_of_file), o)
^  Fail: (196) [user] is_delimiter(o)
   Call: (196) [system] ')'==o
   Fail: (196) [system] ')'==o
   Call: (196) [system] get_char((0x563acd73bee0), o)
   Exit: (196) [system] get_char((0x563acd73bee0), o)
   Call: (196) [system] o=(\)
   Fail: (196) [system] o=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _824826)
   Call: (197) [system] peek_char((0x563acd73bee0), _825760)
   Exit: (197) [system] peek_char((0x563acd73bee0), n)
^  Call: (197) [user] is_delimiter(n)
   Call: (198) [system] char_type(n, space)
   Fail: (198) [system] char_type(n, space)
   Call: (198) [system] arg(_830480, v('(', ')', end_of_file), n)
   Fail: (198) [system] arg(_831412, v('(', ')', end_of_file), n)
^  Fail: (197) [user] is_delimiter(n)
   Call: (197) [system] ')'==n
   Fail: (197) [system] ')'==n
   Call: (197) [system] get_char((0x563acd73bee0), n)
   Exit: (197) [system] get_char((0x563acd73bee0), n)
   Call: (197) [system] n=(\)
   Fail: (197) [system] n=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _838762)
   Call: (198) [system] peek_char((0x563acd73bee0), _839696)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _838762=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (197) [system] _824826=[n]
   Exit: (197) [system] [n]=[n]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (196) [system] _810890=[o, n]
   Exit: (196) [system] [o, n]=[o, n]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (195) [system] _796954=[i, o, n]
   Exit: (195) [system] [i, o, n]=[i, o, n]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (194) [system] _783018=[t, i, o, n]
   Exit: (194) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (193) [system] _769082=[c, t, i, o, n]
   Exit: (193) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n])
   Call: (192) [system] _755146=[u, c, t, i, o, n]
   Exit: (192) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, i, o, n])
   Call: (191) [system] _741210=[d, u, c, t, i, o, n]
   Exit: (191) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, u, c, t, i, o, n])
   Call: (190) [system] _727274=[e, d, u, c, t, i, o, n]
   Exit: (190) [system] [e, d, u, c, t, i, o, n]=[e, d, u, c, t, i, o, n]
^  Exit: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, d, u, c, t, i, o, n])
^  Call: (189) [user] classify_and_convert_charseq(['D', e, d, u, c, t, i, o, n], _691764)
^  Call: (190) [user] classify_and_convert_charseq_(['D', e, d, u, c, t, i, o, n], _871332)
^  Call: (192) [system] setup_call_cleanup('$notrace'(_872284, _872286), once(user:catch(read_from_chars(['D', e, d, u, c, t, i, o, n], _871332), _872266, fail)), '$restore_trace'(_872284, _872286))
^  Call: (193) [system] sig_atomic(system:'$notrace'(_872284, _872286))
^  Exit: (192) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', e, d, u, c, t, i, o, n], _871332), _872266, fail)), system:'$restore_trace'(3, -1))
   Call: (191) [system] atomic(_871332)
   Fail: (191) [system] atomic(_871332)
   Call: (191) [system] atom_chars(_871332, ['D', e, d, u, c, t, i, o, n])
   Exit: (191) [system] atom_chars('Deduction', ['D', e, d, u, c, t, i, o, n])
^  Exit: (190) [user] classify_and_convert_charseq_(['D', e, d, u, c, t, i, o, n], 'Deduction')
   Call: (190) [system] integer('Deduction')
   Fail: (190) [system] integer('Deduction')
   Call: (190) [system] _691764='Deduction'
   Exit: (190) [system] 'Deduction'='Deduction'
^  Exit: (189) [user] classify_and_convert_charseq(['D', e, d, u, c, t, i, o, n], 'Deduction')
^  Exit: (188) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'Deduction')
^  Exit: (187) [user] cont_sexpr(')', (0x563acd73bee0), 'Deduction')
^  Call: (187) [user] read_list(')', (0x563acd73bee0), _886282)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _888140)
   Exit: (189) [system] peek_char((0x563acd73bee0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x563acd73bee0), _897734)
   Exit: (189) [system] get_char((0x563acd73bee0), ' ')
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _900438)
   Exit: (190) [system] peek_char((0x563acd73bee0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _917372)
   Exit: (188) [system] peek_char((0x563acd73bee0), '(')
   Call: (188) [system] '('=')'
   Fail: (188) [system] '('=')'
   Call: (188) [system] '('=end_of_file
   Fail: (188) [system] '('=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x563acd73bee0), _922942)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _924800)
   Exit: (190) [system] peek_char((0x563acd73bee0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] get_char((0x563acd73bee0), _940810)
   Exit: (189) [system] get_char((0x563acd73bee0), '(')
   Call: (189) [system] '('='('
   Exit: (189) [system] '('='('
^  Call: (189) [user] read_list(')', (0x563acd73bee0), _922942)
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _946380)
   Exit: (191) [system] peek_char((0x563acd73bee0), -)
   Call: (191) [system] (-)=(;)
   Fail: (191) [system] (-)=(;)
   Call: (191) [system] (-)=(/)
   Fail: (191) [system] (-)=(/)
^  Call: (191) [user] is_like_space(-)
   Call: (192) [system] char_type(-, 'white')
   Fail: (192) [system] char_type(-, 'white')
   Call: (192) [system] char_type(-, end_of_line)
   Fail: (192) [system] char_type(-, end_of_line)
   Call: (192) [system] char_type(-, space)
   Fail: (192) [system] char_type(-, space)
   Call: (192) [system] char_type(-, cntrl)
   Fail: (192) [system] char_type(-, cntrl)
^  Fail: (191) [user] is_like_space(-)
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _962390)
   Exit: (190) [system] peek_char((0x563acd73bee0), -)
   Call: (190) [system] (-)=')'
   Fail: (190) [system] (-)=')'
   Call: (190) [system] (-)=end_of_file
   Fail: (190) [system] (-)=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x563acd73bee0), _967960)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _969818)
   Exit: (192) [system] peek_char((0x563acd73bee0), -)
   Call: (192) [system] (-)=(;)
   Fail: (192) [system] (-)=(;)
   Call: (192) [system] (-)=(/)
   Fail: (192) [system] (-)=(/)
^  Call: (192) [user] is_like_space(-)
   Call: (193) [system] char_type(-, 'white')
   Fail: (193) [system] char_type(-, 'white')
   Call: (193) [system] char_type(-, end_of_line)
   Fail: (193) [system] char_type(-, end_of_line)
   Call: (193) [system] char_type(-, space)
   Fail: (193) [system] char_type(-, space)
   Call: (193) [system] char_type(-, cntrl)
   Fail: (193) [system] char_type(-, cntrl)
^  Fail: (192) [user] is_like_space(-)
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] get_char((0x563acd73bee0), _985828)
   Exit: (191) [system] get_char((0x563acd73bee0), -)
   Call: (191) [system] (-)='('
   Fail: (191) [system] (-)='('
   Call: (191) [system] (-)='['
   Fail: (191) [system] (-)='['
   Call: (191) [system] (-)='{'
   Fail: (191) [system] (-)='{'
   Call: (191) [system] (-)='"'
   Fail: (191) [system] (-)='"'
   Call: (191) [system] (-)=!
   Fail: (191) [system] (-)=!
   Call: (191) [system] (-)='\''
   Fail: (191) [system] (-)='\''
   Call: (191) [system] (-)='`'
   Fail: (191) [system] (-)='`'
   Call: (191) [system] (-)=end_of_file
   Fail: (191) [system] (-)=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x563acd73bee0), -, _967960)
^  Call: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), _1003470)
   Call: (193) [system] peek_char((0x563acd73bee0), _1004404)
   Exit: (193) [system] peek_char((0x563acd73bee0), >)
^  Call: (193) [user] is_delimiter(>)
   Call: (194) [system] char_type(>, space)
   Fail: (194) [system] char_type(>, space)
   Call: (194) [system] arg(_1009124, v('(', ')', end_of_file), >)
   Fail: (194) [system] arg(_1010056, v('(', ')', end_of_file), >)
^  Fail: (193) [user] is_delimiter(>)
   Call: (193) [system] ')'==(>)
   Fail: (193) [system] ')'==(>)
   Call: (193) [system] get_char((0x563acd73bee0), >)
   Exit: (193) [system] get_char((0x563acd73bee0), >)
   Call: (193) [system] (>)=(\)
   Fail: (193) [system] (>)=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _1017406)
   Call: (194) [system] peek_char((0x563acd73bee0), _1018340)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _1017406=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (193) [system] _1003470=[>]
   Exit: (193) [system] [>]=[>]
^  Exit: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), [>])
^  Call: (192) [user] classify_and_convert_charseq([-, >], _967960)
^  Call: (193) [user] classify_and_convert_charseq_([-, >], _1030418)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_1031370, _1031372), once(user:catch(read_from_chars([-, >], _1030418), _1031352, fail)), '$restore_trace'(_1031370, _1031372))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_1031370, _1031372))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _1031352, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(->)
   Exit: (194) [system] atomic(->)
^  Exit: (193) [user] classify_and_convert_charseq_([-, >], ->)
   Call: (193) [system] integer(->)
   Fail: (193) [system] integer(->)
   Call: (193) [system] _967960=(->)
   Exit: (193) [system] (->)=(->)
^  Exit: (192) [user] classify_and_convert_charseq([-, >], ->)
^  Exit: (191) [user] read_symbolic(')', (0x563acd73bee0), -, ->)
^  Exit: (190) [user] cont_sexpr(')', (0x563acd73bee0), ->)
^  Call: (190) [user] read_list(')', (0x563acd73bee0), _1043498)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1045356)
   Exit: (192) [system] peek_char((0x563acd73bee0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x563acd73bee0), _1054950)
   Exit: (192) [system] get_char((0x563acd73bee0), ' ')
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1057654)
   Exit: (193) [system] peek_char((0x563acd73bee0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _1074588)
   Exit: (191) [system] peek_char((0x563acd73bee0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x563acd73bee0), _1080158)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1082016)
   Exit: (193) [system] peek_char((0x563acd73bee0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] get_char((0x563acd73bee0), _1098026)
   Exit: (192) [system] get_char((0x563acd73bee0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _1080158)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1103596)
   Exit: (194) [system] peek_char((0x563acd73bee0), 'I')
   Call: (194) [system] 'I'=(;)
   Fail: (194) [system] 'I'=(;)
   Call: (194) [system] 'I'=(/)
   Fail: (194) [system] 'I'=(/)
^  Call: (194) [user] is_like_space('I')
   Call: (195) [system] char_type('I', 'white')
   Fail: (195) [system] char_type('I', 'white')
   Call: (195) [system] char_type('I', end_of_line)
   Fail: (195) [system] char_type('I', end_of_line)
   Call: (195) [system] char_type('I', space)
   Fail: (195) [system] char_type('I', space)
   Call: (195) [system] char_type('I', cntrl)
   Fail: (195) [system] char_type('I', cntrl)
^  Fail: (194) [user] is_like_space('I')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1119606)
   Exit: (193) [system] peek_char((0x563acd73bee0), 'I')
   Call: (193) [system] 'I'=')'
   Fail: (193) [system] 'I'=')'
   Call: (193) [system] 'I'=end_of_file
   Fail: (193) [system] 'I'=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x563acd73bee0), _1125176)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1127034)
   Exit: (195) [system] peek_char((0x563acd73bee0), 'I')
   Call: (195) [system] 'I'=(;)
   Fail: (195) [system] 'I'=(;)
   Call: (195) [system] 'I'=(/)
   Fail: (195) [system] 'I'=(/)
^  Call: (195) [user] is_like_space('I')
   Call: (196) [system] char_type('I', 'white')
   Fail: (196) [system] char_type('I', 'white')
   Call: (196) [system] char_type('I', end_of_line)
   Fail: (196) [system] char_type('I', end_of_line)
   Call: (196) [system] char_type('I', space)
   Fail: (196) [system] char_type('I', space)
   Call: (196) [system] char_type('I', cntrl)
   Fail: (196) [system] char_type('I', cntrl)
^  Fail: (195) [user] is_like_space('I')
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] get_char((0x563acd73bee0), _1143044)
   Exit: (194) [system] get_char((0x563acd73bee0), 'I')
   Call: (194) [system] 'I'='('
   Fail: (194) [system] 'I'='('
   Call: (194) [system] 'I'='['
   Fail: (194) [system] 'I'='['
   Call: (194) [system] 'I'='{'
   Fail: (194) [system] 'I'='{'
   Call: (194) [system] 'I'='"'
   Fail: (194) [system] 'I'='"'
   Call: (194) [system] 'I'=!
   Fail: (194) [system] 'I'=!
   Call: (194) [system] 'I'='\''
   Fail: (194) [system] 'I'='\''
   Call: (194) [system] 'I'='`'
   Fail: (194) [system] 'I'='`'
   Call: (194) [system] 'I'=end_of_file
   Fail: (194) [system] 'I'=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x563acd73bee0), 'I', _1125176)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _1160686)
   Call: (196) [system] peek_char((0x563acd73bee0), _1161620)
   Exit: (196) [system] peek_char((0x563acd73bee0), m)
^  Call: (196) [user] is_delimiter(m)
   Call: (197) [system] char_type(m, space)
   Fail: (197) [system] char_type(m, space)
   Call: (197) [system] arg(_1166340, v('(', ')', end_of_file), m)
   Fail: (197) [system] arg(_1167272, v('(', ')', end_of_file), m)
^  Fail: (196) [user] is_delimiter(m)
   Call: (196) [system] ')'==m
   Fail: (196) [system] ')'==m
   Call: (196) [system] get_char((0x563acd73bee0), m)
   Exit: (196) [system] get_char((0x563acd73bee0), m)
   Call: (196) [system] m=(\)
   Fail: (196) [system] m=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _1174622)
   Call: (197) [system] peek_char((0x563acd73bee0), _1175556)
   Exit: (197) [system] peek_char((0x563acd73bee0), p)
^  Call: (197) [user] is_delimiter(p)
   Call: (198) [system] char_type(p, space)
   Fail: (198) [system] char_type(p, space)
   Call: (198) [system] arg(_1180276, v('(', ')', end_of_file), p)
   Fail: (198) [system] arg(_1181208, v('(', ')', end_of_file), p)
^  Fail: (197) [user] is_delimiter(p)
   Call: (197) [system] ')'==p
   Fail: (197) [system] ')'==p
   Call: (197) [system] get_char((0x563acd73bee0), p)
   Exit: (197) [system] get_char((0x563acd73bee0), p)
   Call: (197) [system] p=(\)
   Fail: (197) [system] p=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _1188558)
   Call: (198) [system] peek_char((0x563acd73bee0), _1189492)
   Exit: (198) [system] peek_char((0x563acd73bee0), l)
^  Call: (198) [user] is_delimiter(l)
   Call: (199) [system] char_type(l, space)
   Fail: (199) [system] char_type(l, space)
   Call: (199) [system] arg(_1194212, v('(', ')', end_of_file), l)
   Fail: (199) [system] arg(_1195144, v('(', ')', end_of_file), l)
^  Fail: (198) [user] is_delimiter(l)
   Call: (198) [system] ')'==l
   Fail: (198) [system] ')'==l
   Call: (198) [system] get_char((0x563acd73bee0), l)
   Exit: (198) [system] get_char((0x563acd73bee0), l)
   Call: (198) [system] l=(\)
   Fail: (198) [system] l=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _1202494)
   Call: (199) [system] peek_char((0x563acd73bee0), _1203428)
   Exit: (199) [system] peek_char((0x563acd73bee0), i)
^  Call: (199) [user] is_delimiter(i)
   Call: (200) [system] char_type(i, space)
   Fail: (200) [system] char_type(i, space)
   Call: (200) [system] arg(_1208148, v('(', ')', end_of_file), i)
   Fail: (200) [system] arg(_1209080, v('(', ')', end_of_file), i)
^  Fail: (199) [user] is_delimiter(i)
   Call: (199) [system] ')'==i
   Fail: (199) [system] ')'==i
   Call: (199) [system] get_char((0x563acd73bee0), i)
   Exit: (199) [system] get_char((0x563acd73bee0), i)
   Call: (199) [system] i=(\)
   Fail: (199) [system] i=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _1216430)
   Call: (200) [system] peek_char((0x563acd73bee0), _1217364)
   Exit: (200) [system] peek_char((0x563acd73bee0), c)
^  Call: (200) [user] is_delimiter(c)
   Call: (201) [system] char_type(c, space)
   Fail: (201) [system] char_type(c, space)
   Call: (201) [system] arg(_1222084, v('(', ')', end_of_file), c)
   Fail: (201) [system] arg(_1223016, v('(', ')', end_of_file), c)
^  Fail: (200) [user] is_delimiter(c)
   Call: (200) [system] ')'==c
   Fail: (200) [system] ')'==c
   Call: (200) [system] get_char((0x563acd73bee0), c)
   Exit: (200) [system] get_char((0x563acd73bee0), c)
   Call: (200) [system] c=(\)
   Fail: (200) [system] c=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _1230366)
   Call: (201) [system] peek_char((0x563acd73bee0), _1231300)
   Exit: (201) [system] peek_char((0x563acd73bee0), a)
^  Call: (201) [user] is_delimiter(a)
   Call: (202) [system] char_type(a, space)
   Fail: (202) [system] char_type(a, space)
   Call: (202) [system] arg(_1236020, v('(', ')', end_of_file), a)
   Fail: (202) [system] arg(_1236952, v('(', ')', end_of_file), a)
^  Fail: (201) [user] is_delimiter(a)
   Call: (201) [system] ')'==a
   Fail: (201) [system] ')'==a
   Call: (201) [system] get_char((0x563acd73bee0), a)
   Exit: (201) [system] get_char((0x563acd73bee0), a)
   Call: (201) [system] a=(\)
   Fail: (201) [system] a=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _1244302)
   Call: (202) [system] peek_char((0x563acd73bee0), _1245236)
   Exit: (202) [system] peek_char((0x563acd73bee0), t)
^  Call: (202) [user] is_delimiter(t)
   Call: (203) [system] char_type(t, space)
   Fail: (203) [system] char_type(t, space)
   Call: (203) [system] arg(_1249956, v('(', ')', end_of_file), t)
   Fail: (203) [system] arg(_1250888, v('(', ')', end_of_file), t)
^  Fail: (202) [user] is_delimiter(t)
   Call: (202) [system] ')'==t
   Fail: (202) [system] ')'==t
   Call: (202) [system] get_char((0x563acd73bee0), t)
   Exit: (202) [system] get_char((0x563acd73bee0), t)
   Call: (202) [system] t=(\)
   Fail: (202) [system] t=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1258238)
   Call: (203) [system] peek_char((0x563acd73bee0), _1259172)
   Exit: (203) [system] peek_char((0x563acd73bee0), i)
^  Call: (203) [user] is_delimiter(i)
   Call: (204) [system] char_type(i, space)
   Fail: (204) [system] char_type(i, space)
   Call: (204) [system] arg(_1263892, v('(', ')', end_of_file), i)
   Fail: (204) [system] arg(_1264824, v('(', ')', end_of_file), i)
^  Fail: (203) [user] is_delimiter(i)
   Call: (203) [system] ')'==i
   Fail: (203) [system] ')'==i
   Call: (203) [system] get_char((0x563acd73bee0), i)
   Exit: (203) [system] get_char((0x563acd73bee0), i)
   Call: (203) [system] i=(\)
   Fail: (203) [system] i=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1272174)
   Call: (204) [system] peek_char((0x563acd73bee0), _1273108)
   Exit: (204) [system] peek_char((0x563acd73bee0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_1277828, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_1278760, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x563acd73bee0), o)
   Exit: (204) [system] get_char((0x563acd73bee0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1286110)
   Call: (205) [system] peek_char((0x563acd73bee0), _1287044)
   Exit: (205) [system] peek_char((0x563acd73bee0), n)
^  Call: (205) [user] is_delimiter(n)
   Call: (206) [system] char_type(n, space)
   Fail: (206) [system] char_type(n, space)
   Call: (206) [system] arg(_1291764, v('(', ')', end_of_file), n)
   Fail: (206) [system] arg(_1292696, v('(', ')', end_of_file), n)
^  Fail: (205) [user] is_delimiter(n)
   Call: (205) [system] ')'==n
   Fail: (205) [system] ')'==n
   Call: (205) [system] get_char((0x563acd73bee0), n)
   Exit: (205) [system] get_char((0x563acd73bee0), n)
   Call: (205) [system] n=(\)
   Fail: (205) [system] n=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1300046)
   Call: (206) [system] peek_char((0x563acd73bee0), _1300980)
   Exit: (206) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (206) [user] is_delimiter('L')
   Call: (207) [system] char_type('L', space)
   Fail: (207) [system] char_type('L', space)
   Call: (207) [system] arg(_1305700, v('(', ')', end_of_file), 'L')
   Fail: (207) [system] arg(_1306632, v('(', ')', end_of_file), 'L')
^  Fail: (206) [user] is_delimiter('L')
   Call: (206) [system] ')'=='L'
   Fail: (206) [system] ')'=='L'
   Call: (206) [system] get_char((0x563acd73bee0), 'L')
   Exit: (206) [system] get_char((0x563acd73bee0), 'L')
   Call: (206) [system] 'L'=(\)
   Fail: (206) [system] 'L'=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1313982)
   Call: (207) [system] peek_char((0x563acd73bee0), _1314916)
   Exit: (207) [system] peek_char((0x563acd73bee0), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Fail: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_1319636, v('(', ')', end_of_file), i)
   Fail: (208) [system] arg(_1320568, v('(', ')', end_of_file), i)
^  Fail: (207) [user] is_delimiter(i)
   Call: (207) [system] ')'==i
   Fail: (207) [system] ')'==i
   Call: (207) [system] get_char((0x563acd73bee0), i)
   Exit: (207) [system] get_char((0x563acd73bee0), i)
   Call: (207) [system] i=(\)
   Fail: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1327918)
   Call: (208) [system] peek_char((0x563acd73bee0), _1328852)
   Exit: (208) [system] peek_char((0x563acd73bee0), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Fail: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_1333572, v('(', ')', end_of_file), n)
   Fail: (209) [system] arg(_1334504, v('(', ')', end_of_file), n)
^  Fail: (208) [user] is_delimiter(n)
   Call: (208) [system] ')'==n
   Fail: (208) [system] ')'==n
   Call: (208) [system] get_char((0x563acd73bee0), n)
   Exit: (208) [system] get_char((0x563acd73bee0), n)
   Call: (208) [system] n=(\)
   Fail: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1341854)
   Call: (209) [system] peek_char((0x563acd73bee0), _1342788)
   Exit: (209) [system] peek_char((0x563acd73bee0), k)
^  Call: (209) [user] is_delimiter(k)
   Call: (210) [system] char_type(k, space)
   Fail: (210) [system] char_type(k, space)
   Call: (210) [system] arg(_1347508, v('(', ')', end_of_file), k)
   Fail: (210) [system] arg(_1348440, v('(', ')', end_of_file), k)
^  Fail: (209) [user] is_delimiter(k)
   Call: (209) [system] ')'==k
   Fail: (209) [system] ')'==k
   Call: (209) [system] get_char((0x563acd73bee0), k)
   Exit: (209) [system] get_char((0x563acd73bee0), k)
   Call: (209) [system] k=(\)
   Fail: (209) [system] k=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1355790)
   Call: (210) [system] peek_char((0x563acd73bee0), _1356724)
   Exit: (210) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1355790=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (209) [system] _1341854=[k]
   Exit: (209) [system] [k]=[k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (208) [system] _1327918=[n, k]
   Exit: (208) [system] [n, k]=[n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (207) [system] _1313982=[i, n, k]
   Exit: (207) [system] [i, n, k]=[i, n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (206) [system] _1300046=['L', i, n, k]
   Exit: (206) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (205) [system] _1286110=[n, 'L', i, n, k]
   Exit: (205) [system] [n, 'L', i, n, k]=[n, 'L', i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'L', i, n, k])
   Call: (204) [system] _1272174=[o, n, 'L', i, n, k]
   Exit: (204) [system] [o, n, 'L', i, n, k]=[o, n, 'L', i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'L', i, n, k])
   Call: (203) [system] _1258238=[i, o, n, 'L', i, n, k]
   Exit: (203) [system] [i, o, n, 'L', i, n, k]=[i, o, n, 'L', i, n, k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'L', i, n, k])
   Call: (202) [system] _1244302=[t, i, o, n, 'L', i, n, k]
   Exit: (202) [system] [t, i, o, n, 'L', i, n, k]=[t, i, o, n, 'L', i, n, k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'L', i, n, k])
   Call: (201) [system] _1230366=[a, t, i, o, n, 'L', i, n, k]
   Exit: (201) [system] [a, t, i, o, n, 'L', i, n, k]=[a, t, i, o, n, 'L', i, n, k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n, 'L', i, n, k])
   Call: (200) [system] _1216430=[c, a, t, i, o, n, 'L', i, n, k]
   Exit: (200) [system] [c, a, t, i, o, n, 'L', i, n, k]=[c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n, 'L', i, n, k])
   Call: (199) [system] _1202494=[i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (199) [system] [i, c, a, t, i, o, n, 'L', i, n, k]=[i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n, 'L', i, n, k])
   Call: (198) [system] _1188558=[l, i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (198) [system] [l, i, c, a, t, i, o, n, 'L', i, n, k]=[l, i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n, 'L', i, n, k])
   Call: (197) [system] _1174622=[p, l, i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (197) [system] [p, l, i, c, a, t, i, o, n, 'L', i, n, k]=[p, l, i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n, 'L', i, n, k])
   Call: (196) [system] _1160686=[m, p, l, i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (196) [system] [m, p, l, i, c, a, t, i, o, n, 'L', i, n, k]=[m, p, l, i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n, 'L', i, n, k])
^  Call: (195) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _1125176)
^  Call: (196) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _1405124)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_1406076, _1406078), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _1405124), _1406058, fail)), '$restore_trace'(_1406076, _1406078))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_1406076, _1406078))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _1405124), _1406058, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(_1405124)
   Fail: (197) [system] atomic(_1405124)
   Call: (197) [system] atom_chars(_1405124, ['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k])
   Exit: (197) [system] atom_chars('ImplicationLink', ['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k])
^  Exit: (196) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], 'ImplicationLink')
   Call: (196) [system] integer('ImplicationLink')
   Fail: (196) [system] integer('ImplicationLink')
   Call: (196) [system] _1125176='ImplicationLink'
   Exit: (196) [system] 'ImplicationLink'='ImplicationLink'
^  Exit: (195) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], 'ImplicationLink')
^  Exit: (194) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'ImplicationLink')
^  Exit: (193) [user] cont_sexpr(')', (0x563acd73bee0), 'ImplicationLink')
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _1420074)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1421932)
   Exit: (195) [system] peek_char((0x563acd73bee0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x563acd73bee0), _1431526)
   Exit: (195) [system] get_char((0x563acd73bee0), ' ')
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1434230)
   Exit: (196) [system] peek_char((0x563acd73bee0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1451164)
   Exit: (194) [system] peek_char((0x563acd73bee0), $)
   Call: (194) [system] ($)=')'
   Fail: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x563acd73bee0), _1456734)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1458592)
   Exit: (196) [system] peek_char((0x563acd73bee0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] get_char((0x563acd73bee0), _1474602)
   Exit: (195) [system] get_char((0x563acd73bee0), $)
   Call: (195) [system] ($)='('
   Fail: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Fail: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Fail: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Fail: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Fail: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Fail: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Fail: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x563acd73bee0), $, _1456734)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _1492244)
   Call: (197) [system] peek_char((0x563acd73bee0), _1493178)
   Exit: (197) [system] peek_char((0x563acd73bee0), p)
^  Call: (197) [user] is_delimiter(p)
   Call: (198) [system] char_type(p, space)
   Fail: (198) [system] char_type(p, space)
   Call: (198) [system] arg(_1497898, v('(', ')', end_of_file), p)
   Fail: (198) [system] arg(_1498830, v('(', ')', end_of_file), p)
^  Fail: (197) [user] is_delimiter(p)
   Call: (197) [system] ')'==p
   Fail: (197) [system] ')'==p
   Call: (197) [system] get_char((0x563acd73bee0), p)
   Exit: (197) [system] get_char((0x563acd73bee0), p)
   Call: (197) [system] p=(\)
   Fail: (197) [system] p=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _1506180)
   Call: (198) [system] peek_char((0x563acd73bee0), _1507114)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _1506180=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (197) [system] _1492244=[p]
   Exit: (197) [system] [p]=[p]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [p])
^  Call: (196) [user] classify_and_convert_charseq([$, p], _1456734)
^  Call: (197) [user] classify_and_convert_charseq_([$, p], _1519192)
   Call: (198) [system] atom_chars(_1520124, ['_', p])
   Exit: (198) [system] atom_chars('_p', ['_', p])
^  Exit: (197) [user] classify_and_convert_charseq_([$, p], _p)
   Call: (197) [system] integer(_p)
   Fail: (197) [system] integer(_p)
   Call: (197) [system] _1456734=_p
   Exit: (197) [system] _p=_p
^  Exit: (196) [user] classify_and_convert_charseq([$, p], _p)
^  Exit: (195) [user] read_symbolic(')', (0x563acd73bee0), $, _p)
^  Exit: (194) [user] cont_sexpr(')', (0x563acd73bee0), _p)
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _1529416)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1531274)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x563acd73bee0), _1540868)
   Exit: (196) [system] get_char((0x563acd73bee0), ' ')
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1543572)
   Exit: (197) [system] peek_char((0x563acd73bee0), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
   Call: (197) [system] ($)=(/)
   Fail: (197) [system] ($)=(/)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1560506)
   Exit: (195) [system] peek_char((0x563acd73bee0), $)
   Call: (195) [system] ($)=')'
   Fail: (195) [system] ($)=')'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x563acd73bee0), _1566076)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1567934)
   Exit: (197) [system] peek_char((0x563acd73bee0), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
   Call: (197) [system] ($)=(/)
   Fail: (197) [system] ($)=(/)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] get_char((0x563acd73bee0), _1583944)
   Exit: (196) [system] get_char((0x563acd73bee0), $)
   Call: (196) [system] ($)='('
   Fail: (196) [system] ($)='('
   Call: (196) [system] ($)='['
   Fail: (196) [system] ($)='['
   Call: (196) [system] ($)='{'
   Fail: (196) [system] ($)='{'
   Call: (196) [system] ($)='"'
   Fail: (196) [system] ($)='"'
   Call: (196) [system] ($)=!
   Fail: (196) [system] ($)=!
   Call: (196) [system] ($)='\''
   Fail: (196) [system] ($)='\''
   Call: (196) [system] ($)='`'
   Fail: (196) [system] ($)='`'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x563acd73bee0), $, _1566076)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _1601586)
   Call: (198) [system] peek_char((0x563acd73bee0), _1602520)
   Exit: (198) [system] peek_char((0x563acd73bee0), q)
^  Call: (198) [user] is_delimiter(q)
   Call: (199) [system] char_type(q, space)
   Fail: (199) [system] char_type(q, space)
   Call: (199) [system] arg(_1607240, v('(', ')', end_of_file), q)
   Fail: (199) [system] arg(_1608172, v('(', ')', end_of_file), q)
^  Fail: (198) [user] is_delimiter(q)
   Call: (198) [system] ')'==q
   Fail: (198) [system] ')'==q
   Call: (198) [system] get_char((0x563acd73bee0), q)
   Exit: (198) [system] get_char((0x563acd73bee0), q)
   Call: (198) [system] q=(\)
   Fail: (198) [system] q=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _1615522)
   Call: (199) [system] peek_char((0x563acd73bee0), _1616456)
   Exit: (199) [system] peek_char((0x563acd73bee0), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_1621176, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _1615522=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (198) [system] _1601586=[q]
   Exit: (198) [system] [q]=[q]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [q])
^  Call: (197) [user] classify_and_convert_charseq([$, q], _1566076)
^  Call: (198) [user] classify_and_convert_charseq_([$, q], _1630406)
   Call: (199) [system] atom_chars(_1631338, ['_', q])
   Exit: (199) [system] atom_chars('_q', ['_', q])
^  Exit: (198) [user] classify_and_convert_charseq_([$, q], _q)
   Call: (198) [system] integer(_q)
   Fail: (198) [system] integer(_q)
   Call: (198) [system] _1566076=_q
   Exit: (198) [system] _q=_q
^  Exit: (197) [user] classify_and_convert_charseq([$, q], _q)
^  Exit: (196) [user] read_symbolic(')', (0x563acd73bee0), $, _q)
^  Exit: (195) [user] cont_sexpr(')', (0x563acd73bee0), _q)
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _1640630)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1642488)
   Exit: (197) [system] peek_char((0x563acd73bee0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1658498)
   Exit: (196) [system] peek_char((0x563acd73bee0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x563acd73bee0), _1662288)
   Exit: (196) [system] get_char((0x563acd73bee0), ')')
   Call: (196) [system] _1640630=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), [])
   Call: (195) [system] _1529416=[_q]
   Exit: (195) [system] [_q]=[_q]
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), [_q])
   Call: (194) [system] _1420074=[_p, _q]
   Exit: (194) [system] [_p, _q]=[_p, _q]
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), [_p, _q])
   Call: (193) [system] _1080158=['ImplicationLink', _p, _q]
   Exit: (193) [system] ['ImplicationLink', _p, _q]=['ImplicationLink', _p, _q]
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), ['ImplicationLink', _p, _q])
^  Exit: (191) [user] cont_sexpr(')', (0x563acd73bee0), ['ImplicationLink', _p, _q])
^  Call: (191) [user] read_list(')', (0x563acd73bee0), _1676170)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1678028)
   Exit: (193) [system] peek_char((0x563acd73bee0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x563acd73bee0), _1687622)
   Exit: (193) [system] get_char((0x563acd73bee0), ' ')
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1690326)
   Exit: (194) [system] peek_char((0x563acd73bee0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1707260)
   Exit: (192) [system] peek_char((0x563acd73bee0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x563acd73bee0), _1712830)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1714688)
   Exit: (194) [system] peek_char((0x563acd73bee0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] get_char((0x563acd73bee0), _1730698)
   Exit: (193) [system] get_char((0x563acd73bee0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _1712830)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1736268)
   Exit: (195) [system] peek_char((0x563acd73bee0), 'I')
   Call: (195) [system] 'I'=(;)
   Fail: (195) [system] 'I'=(;)
   Call: (195) [system] 'I'=(/)
   Fail: (195) [system] 'I'=(/)
^  Call: (195) [user] is_like_space('I')
   Call: (196) [system] char_type('I', 'white')
   Fail: (196) [system] char_type('I', 'white')
   Call: (196) [system] char_type('I', end_of_line)
   Fail: (196) [system] char_type('I', end_of_line)
   Call: (196) [system] char_type('I', space)
   Fail: (196) [system] char_type('I', space)
   Call: (196) [system] char_type('I', cntrl)
   Fail: (196) [system] char_type('I', cntrl)
^  Fail: (195) [user] is_like_space('I')
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1752278)
   Exit: (194) [system] peek_char((0x563acd73bee0), 'I')
   Call: (194) [system] 'I'=')'
   Fail: (194) [system] 'I'=')'
   Call: (194) [system] 'I'=end_of_file
   Fail: (194) [system] 'I'=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x563acd73bee0), _1757848)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1759706)
   Exit: (196) [system] peek_char((0x563acd73bee0), 'I')
   Call: (196) [system] 'I'=(;)
   Fail: (196) [system] 'I'=(;)
   Call: (196) [system] 'I'=(/)
   Fail: (196) [system] 'I'=(/)
^  Call: (196) [user] is_like_space('I')
   Call: (197) [system] char_type('I', 'white')
   Fail: (197) [system] char_type('I', 'white')
   Call: (197) [system] char_type('I', end_of_line)
   Fail: (197) [system] char_type('I', end_of_line)
   Call: (197) [system] char_type('I', space)
   Fail: (197) [system] char_type('I', space)
   Call: (197) [system] char_type('I', cntrl)
   Fail: (197) [system] char_type('I', cntrl)
^  Fail: (196) [user] is_like_space('I')
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] get_char((0x563acd73bee0), _1775716)
   Exit: (195) [system] get_char((0x563acd73bee0), 'I')
   Call: (195) [system] 'I'='('
   Fail: (195) [system] 'I'='('
   Call: (195) [system] 'I'='['
   Fail: (195) [system] 'I'='['
   Call: (195) [system] 'I'='{'
   Fail: (195) [system] 'I'='{'
   Call: (195) [system] 'I'='"'
   Fail: (195) [system] 'I'='"'
   Call: (195) [system] 'I'=!
   Fail: (195) [system] 'I'=!
   Call: (195) [system] 'I'='\''
   Fail: (195) [system] 'I'='\''
   Call: (195) [system] 'I'='`'
   Fail: (195) [system] 'I'='`'
   Call: (195) [system] 'I'=end_of_file
   Fail: (195) [system] 'I'=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x563acd73bee0), 'I', _1757848)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _1793358)
   Call: (197) [system] peek_char((0x563acd73bee0), _1794292)
   Exit: (197) [system] peek_char((0x563acd73bee0), m)
^  Call: (197) [user] is_delimiter(m)
   Call: (198) [system] char_type(m, space)
   Fail: (198) [system] char_type(m, space)
   Call: (198) [system] arg(_1799012, v('(', ')', end_of_file), m)
   Fail: (198) [system] arg(_1799944, v('(', ')', end_of_file), m)
^  Fail: (197) [user] is_delimiter(m)
   Call: (197) [system] ')'==m
   Fail: (197) [system] ')'==m
   Call: (197) [system] get_char((0x563acd73bee0), m)
   Exit: (197) [system] get_char((0x563acd73bee0), m)
   Call: (197) [system] m=(\)
   Fail: (197) [system] m=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _1807294)
   Call: (198) [system] peek_char((0x563acd73bee0), _1808228)
   Exit: (198) [system] peek_char((0x563acd73bee0), p)
^  Call: (198) [user] is_delimiter(p)
   Call: (199) [system] char_type(p, space)
   Fail: (199) [system] char_type(p, space)
   Call: (199) [system] arg(_1812948, v('(', ')', end_of_file), p)
   Fail: (199) [system] arg(_1813880, v('(', ')', end_of_file), p)
^  Fail: (198) [user] is_delimiter(p)
   Call: (198) [system] ')'==p
   Fail: (198) [system] ')'==p
   Call: (198) [system] get_char((0x563acd73bee0), p)
   Exit: (198) [system] get_char((0x563acd73bee0), p)
   Call: (198) [system] p=(\)
   Fail: (198) [system] p=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _1821230)
   Call: (199) [system] peek_char((0x563acd73bee0), _1822164)
   Exit: (199) [system] peek_char((0x563acd73bee0), l)
^  Call: (199) [user] is_delimiter(l)
   Call: (200) [system] char_type(l, space)
   Fail: (200) [system] char_type(l, space)
   Call: (200) [system] arg(_1826884, v('(', ')', end_of_file), l)
   Fail: (200) [system] arg(_1827816, v('(', ')', end_of_file), l)
^  Fail: (199) [user] is_delimiter(l)
   Call: (199) [system] ')'==l
   Fail: (199) [system] ')'==l
   Call: (199) [system] get_char((0x563acd73bee0), l)
   Exit: (199) [system] get_char((0x563acd73bee0), l)
   Call: (199) [system] l=(\)
   Fail: (199) [system] l=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _1835166)
   Call: (200) [system] peek_char((0x563acd73bee0), _1836100)
   Exit: (200) [system] peek_char((0x563acd73bee0), i)
^  Call: (200) [user] is_delimiter(i)
   Call: (201) [system] char_type(i, space)
   Fail: (201) [system] char_type(i, space)
   Call: (201) [system] arg(_1840820, v('(', ')', end_of_file), i)
   Fail: (201) [system] arg(_1841752, v('(', ')', end_of_file), i)
^  Fail: (200) [user] is_delimiter(i)
   Call: (200) [system] ')'==i
   Fail: (200) [system] ')'==i
   Call: (200) [system] get_char((0x563acd73bee0), i)
   Exit: (200) [system] get_char((0x563acd73bee0), i)
   Call: (200) [system] i=(\)
   Fail: (200) [system] i=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _1849102)
   Call: (201) [system] peek_char((0x563acd73bee0), _1850036)
   Exit: (201) [system] peek_char((0x563acd73bee0), c)
^  Call: (201) [user] is_delimiter(c)
   Call: (202) [system] char_type(c, space)
   Fail: (202) [system] char_type(c, space)
   Call: (202) [system] arg(_1854756, v('(', ')', end_of_file), c)
   Fail: (202) [system] arg(_1855688, v('(', ')', end_of_file), c)
^  Fail: (201) [user] is_delimiter(c)
   Call: (201) [system] ')'==c
   Fail: (201) [system] ')'==c
   Call: (201) [system] get_char((0x563acd73bee0), c)
   Exit: (201) [system] get_char((0x563acd73bee0), c)
   Call: (201) [system] c=(\)
   Fail: (201) [system] c=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _1863038)
   Call: (202) [system] peek_char((0x563acd73bee0), _1863972)
   Exit: (202) [system] peek_char((0x563acd73bee0), a)
^  Call: (202) [user] is_delimiter(a)
   Call: (203) [system] char_type(a, space)
   Fail: (203) [system] char_type(a, space)
   Call: (203) [system] arg(_1868692, v('(', ')', end_of_file), a)
   Fail: (203) [system] arg(_1869624, v('(', ')', end_of_file), a)
^  Fail: (202) [user] is_delimiter(a)
   Call: (202) [system] ')'==a
   Fail: (202) [system] ')'==a
   Call: (202) [system] get_char((0x563acd73bee0), a)
   Exit: (202) [system] get_char((0x563acd73bee0), a)
   Call: (202) [system] a=(\)
   Fail: (202) [system] a=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1876974)
   Call: (203) [system] peek_char((0x563acd73bee0), _1877908)
   Exit: (203) [system] peek_char((0x563acd73bee0), t)
^  Call: (203) [user] is_delimiter(t)
   Call: (204) [system] char_type(t, space)
   Fail: (204) [system] char_type(t, space)
   Call: (204) [system] arg(_1882628, v('(', ')', end_of_file), t)
   Fail: (204) [system] arg(_1883560, v('(', ')', end_of_file), t)
^  Fail: (203) [user] is_delimiter(t)
   Call: (203) [system] ')'==t
   Fail: (203) [system] ')'==t
   Call: (203) [system] get_char((0x563acd73bee0), t)
   Exit: (203) [system] get_char((0x563acd73bee0), t)
   Call: (203) [system] t=(\)
   Fail: (203) [system] t=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1890910)
   Call: (204) [system] peek_char((0x563acd73bee0), _1891844)
   Exit: (204) [system] peek_char((0x563acd73bee0), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Fail: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_1896564, v('(', ')', end_of_file), i)
   Fail: (205) [system] arg(_1897496, v('(', ')', end_of_file), i)
^  Fail: (204) [user] is_delimiter(i)
   Call: (204) [system] ')'==i
   Fail: (204) [system] ')'==i
   Call: (204) [system] get_char((0x563acd73bee0), i)
   Exit: (204) [system] get_char((0x563acd73bee0), i)
   Call: (204) [system] i=(\)
   Fail: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1904846)
   Call: (205) [system] peek_char((0x563acd73bee0), _1905780)
   Exit: (205) [system] peek_char((0x563acd73bee0), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_1910500, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_1911432, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x563acd73bee0), o)
   Exit: (205) [system] get_char((0x563acd73bee0), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1918782)
   Call: (206) [system] peek_char((0x563acd73bee0), _1919716)
   Exit: (206) [system] peek_char((0x563acd73bee0), n)
^  Call: (206) [user] is_delimiter(n)
   Call: (207) [system] char_type(n, space)
   Fail: (207) [system] char_type(n, space)
   Call: (207) [system] arg(_1924436, v('(', ')', end_of_file), n)
   Fail: (207) [system] arg(_1925368, v('(', ')', end_of_file), n)
^  Fail: (206) [user] is_delimiter(n)
   Call: (206) [system] ')'==n
   Fail: (206) [system] ')'==n
   Call: (206) [system] get_char((0x563acd73bee0), n)
   Exit: (206) [system] get_char((0x563acd73bee0), n)
   Call: (206) [system] n=(\)
   Fail: (206) [system] n=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1932718)
   Call: (207) [system] peek_char((0x563acd73bee0), _1933652)
   Exit: (207) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (207) [user] is_delimiter('L')
   Call: (208) [system] char_type('L', space)
   Fail: (208) [system] char_type('L', space)
   Call: (208) [system] arg(_1938372, v('(', ')', end_of_file), 'L')
   Fail: (208) [system] arg(_1939304, v('(', ')', end_of_file), 'L')
^  Fail: (207) [user] is_delimiter('L')
   Call: (207) [system] ')'=='L'
   Fail: (207) [system] ')'=='L'
   Call: (207) [system] get_char((0x563acd73bee0), 'L')
   Exit: (207) [system] get_char((0x563acd73bee0), 'L')
   Call: (207) [system] 'L'=(\)
   Fail: (207) [system] 'L'=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1946654)
   Call: (208) [system] peek_char((0x563acd73bee0), _1947588)
   Exit: (208) [system] peek_char((0x563acd73bee0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_1952308, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_1953240, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x563acd73bee0), i)
   Exit: (208) [system] get_char((0x563acd73bee0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1960590)
   Call: (209) [system] peek_char((0x563acd73bee0), _1961524)
   Exit: (209) [system] peek_char((0x563acd73bee0), n)
^  Call: (209) [user] is_delimiter(n)
   Call: (210) [system] char_type(n, space)
   Fail: (210) [system] char_type(n, space)
   Call: (210) [system] arg(_1966244, v('(', ')', end_of_file), n)
   Fail: (210) [system] arg(_1967176, v('(', ')', end_of_file), n)
^  Fail: (209) [user] is_delimiter(n)
   Call: (209) [system] ')'==n
   Fail: (209) [system] ')'==n
   Call: (209) [system] get_char((0x563acd73bee0), n)
   Exit: (209) [system] get_char((0x563acd73bee0), n)
   Call: (209) [system] n=(\)
   Fail: (209) [system] n=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1974526)
   Call: (210) [system] peek_char((0x563acd73bee0), _1975460)
   Exit: (210) [system] peek_char((0x563acd73bee0), k)
^  Call: (210) [user] is_delimiter(k)
   Call: (211) [system] char_type(k, space)
   Fail: (211) [system] char_type(k, space)
   Call: (211) [system] arg(_1980180, v('(', ')', end_of_file), k)
   Fail: (211) [system] arg(_1981112, v('(', ')', end_of_file), k)
^  Fail: (210) [user] is_delimiter(k)
   Call: (210) [system] ')'==k
   Fail: (210) [system] ')'==k
   Call: (210) [system] get_char((0x563acd73bee0), k)
   Exit: (210) [system] get_char((0x563acd73bee0), k)
   Call: (210) [system] k=(\)
   Fail: (210) [system] k=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1988462)
   Call: (211) [system] peek_char((0x563acd73bee0), _1989396)
   Exit: (211) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _1988462=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (210) [system] _1974526=[k]
   Exit: (210) [system] [k]=[k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (209) [system] _1960590=[n, k]
   Exit: (209) [system] [n, k]=[n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (208) [system] _1946654=[i, n, k]
   Exit: (208) [system] [i, n, k]=[i, n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (207) [system] _1932718=['L', i, n, k]
   Exit: (207) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (206) [system] _1918782=[n, 'L', i, n, k]
   Exit: (206) [system] [n, 'L', i, n, k]=[n, 'L', i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'L', i, n, k])
   Call: (205) [system] _1904846=[o, n, 'L', i, n, k]
   Exit: (205) [system] [o, n, 'L', i, n, k]=[o, n, 'L', i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'L', i, n, k])
   Call: (204) [system] _1890910=[i, o, n, 'L', i, n, k]
   Exit: (204) [system] [i, o, n, 'L', i, n, k]=[i, o, n, 'L', i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'L', i, n, k])
   Call: (203) [system] _1876974=[t, i, o, n, 'L', i, n, k]
   Exit: (203) [system] [t, i, o, n, 'L', i, n, k]=[t, i, o, n, 'L', i, n, k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'L', i, n, k])
   Call: (202) [system] _1863038=[a, t, i, o, n, 'L', i, n, k]
   Exit: (202) [system] [a, t, i, o, n, 'L', i, n, k]=[a, t, i, o, n, 'L', i, n, k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n, 'L', i, n, k])
   Call: (201) [system] _1849102=[c, a, t, i, o, n, 'L', i, n, k]
   Exit: (201) [system] [c, a, t, i, o, n, 'L', i, n, k]=[c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n, 'L', i, n, k])
   Call: (200) [system] _1835166=[i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (200) [system] [i, c, a, t, i, o, n, 'L', i, n, k]=[i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n, 'L', i, n, k])
   Call: (199) [system] _1821230=[l, i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (199) [system] [l, i, c, a, t, i, o, n, 'L', i, n, k]=[l, i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n, 'L', i, n, k])
   Call: (198) [system] _1807294=[p, l, i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (198) [system] [p, l, i, c, a, t, i, o, n, 'L', i, n, k]=[p, l, i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n, 'L', i, n, k])
   Call: (197) [system] _1793358=[m, p, l, i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (197) [system] [m, p, l, i, c, a, t, i, o, n, 'L', i, n, k]=[m, p, l, i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n, 'L', i, n, k])
^  Call: (196) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _1757848)
^  Call: (197) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _2037796)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_2038748, _2038750), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _2037796), _2038730, fail)), '$restore_trace'(_2038748, _2038750))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_2038748, _2038750))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _2037796), _2038730, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(_2037796)
   Fail: (198) [system] atomic(_2037796)
   Call: (198) [system] atom_chars(_2037796, ['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k])
   Exit: (198) [system] atom_chars('ImplicationLink', ['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k])
^  Exit: (197) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], 'ImplicationLink')
   Call: (197) [system] integer('ImplicationLink')
   Fail: (197) [system] integer('ImplicationLink')
   Call: (197) [system] _1757848='ImplicationLink'
   Exit: (197) [system] 'ImplicationLink'='ImplicationLink'
^  Exit: (196) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], 'ImplicationLink')
^  Exit: (195) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'ImplicationLink')
^  Exit: (194) [user] cont_sexpr(')', (0x563acd73bee0), 'ImplicationLink')
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _2052746)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _2054604)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x563acd73bee0), _2064198)
   Exit: (196) [system] get_char((0x563acd73bee0), ' ')
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _2066902)
   Exit: (197) [system] peek_char((0x563acd73bee0), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
   Call: (197) [system] ($)=(/)
   Fail: (197) [system] ($)=(/)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _2083836)
   Exit: (195) [system] peek_char((0x563acd73bee0), $)
   Call: (195) [system] ($)=')'
   Fail: (195) [system] ($)=')'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x563acd73bee0), _2089406)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _2091264)
   Exit: (197) [system] peek_char((0x563acd73bee0), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
   Call: (197) [system] ($)=(/)
   Fail: (197) [system] ($)=(/)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] get_char((0x563acd73bee0), _13840)
   Exit: (196) [system] get_char((0x563acd73bee0), $)
   Call: (196) [system] ($)='('
   Fail: (196) [system] ($)='('
   Call: (196) [system] ($)='['
   Fail: (196) [system] ($)='['
   Call: (196) [system] ($)='{'
   Fail: (196) [system] ($)='{'
   Call: (196) [system] ($)='"'
   Fail: (196) [system] ($)='"'
   Call: (196) [system] ($)=!
   Fail: (196) [system] ($)=!
   Call: (196) [system] ($)='\''
   Fail: (196) [system] ($)='\''
   Call: (196) [system] ($)='`'
   Fail: (196) [system] ($)='`'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x563acd73bee0), $, _3452)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _31482)
   Call: (198) [system] peek_char((0x563acd73bee0), _32416)
   Exit: (198) [system] peek_char((0x563acd73bee0), q)
^  Call: (198) [user] is_delimiter(q)
   Call: (199) [system] char_type(q, space)
   Fail: (199) [system] char_type(q, space)
   Call: (199) [system] arg(_37136, v('(', ')', end_of_file), q)
   Fail: (199) [system] arg(_38068, v('(', ')', end_of_file), q)
^  Fail: (198) [user] is_delimiter(q)
   Call: (198) [system] ')'==q
   Fail: (198) [system] ')'==q
   Call: (198) [system] get_char((0x563acd73bee0), q)
   Exit: (198) [system] get_char((0x563acd73bee0), q)
   Call: (198) [system] q=(\)
   Fail: (198) [system] q=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _45418)
   Call: (199) [system] peek_char((0x563acd73bee0), _46352)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (199) [user] is_delimiter(' ')
   Call: (200) [system] char_type(' ', space)
   Exit: (200) [system] char_type(' ', space)
^  Exit: (199) [user] is_delimiter(' ')
   Call: (199) [system] _45418=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (198) [system] _31482=[q]
   Exit: (198) [system] [q]=[q]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [q])
^  Call: (197) [user] classify_and_convert_charseq([$, q], _3452)
^  Call: (198) [user] classify_and_convert_charseq_([$, q], _58430)
   Call: (199) [system] atom_chars(_59362, ['_', q])
   Exit: (199) [system] atom_chars('_q', ['_', q])
^  Exit: (198) [user] classify_and_convert_charseq_([$, q], _q)
   Call: (198) [system] integer(_q)
   Fail: (198) [system] integer(_q)
   Call: (198) [system] _3452=_q
   Exit: (198) [system] _q=_q
^  Exit: (197) [user] classify_and_convert_charseq([$, q], _q)
^  Exit: (196) [user] read_symbolic(')', (0x563acd73bee0), $, _q)
^  Exit: (195) [user] cont_sexpr(')', (0x563acd73bee0), _q)
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _68654)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _70512)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x563acd73bee0), _80106)
   Exit: (197) [system] get_char((0x563acd73bee0), ' ')
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _82810)
   Exit: (198) [system] peek_char((0x563acd73bee0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _99744)
   Exit: (196) [system] peek_char((0x563acd73bee0), $)
   Call: (196) [system] ($)=')'
   Fail: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x563acd73bee0), _105314)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _107172)
   Exit: (198) [system] peek_char((0x563acd73bee0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] get_char((0x563acd73bee0), _123182)
   Exit: (197) [system] get_char((0x563acd73bee0), $)
   Call: (197) [system] ($)='('
   Fail: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Fail: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Fail: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Fail: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Fail: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Fail: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Fail: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x563acd73bee0), $, _105314)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _140824)
   Call: (199) [system] peek_char((0x563acd73bee0), _141758)
   Exit: (199) [system] peek_char((0x563acd73bee0), r)
^  Call: (199) [user] is_delimiter(r)
   Call: (200) [system] char_type(r, space)
   Fail: (200) [system] char_type(r, space)
   Call: (200) [system] arg(_146478, v('(', ')', end_of_file), r)
   Fail: (200) [system] arg(_147410, v('(', ')', end_of_file), r)
^  Fail: (199) [user] is_delimiter(r)
   Call: (199) [system] ')'==r
   Fail: (199) [system] ')'==r
   Call: (199) [system] get_char((0x563acd73bee0), r)
   Exit: (199) [system] get_char((0x563acd73bee0), r)
   Call: (199) [system] r=(\)
   Fail: (199) [system] r=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _154760)
   Call: (200) [system] peek_char((0x563acd73bee0), _155694)
   Exit: (200) [system] peek_char((0x563acd73bee0), ')')
^  Call: (200) [user] is_delimiter(')')
   Call: (201) [system] char_type(')', space)
   Fail: (201) [system] char_type(')', space)
   Call: (201) [system] arg(_160414, v('(', ')', end_of_file), ')')
   Exit: (201) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (200) [user] is_delimiter(')')
   Call: (200) [system] _154760=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (199) [system] _140824=[r]
   Exit: (199) [system] [r]=[r]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [r])
^  Call: (198) [user] classify_and_convert_charseq([$, r], _105314)
^  Call: (199) [user] classify_and_convert_charseq_([$, r], _169644)
   Call: (200) [system] atom_chars(_170576, ['_', r])
   Exit: (200) [system] atom_chars('_r', ['_', r])
^  Exit: (199) [user] classify_and_convert_charseq_([$, r], _r)
   Call: (199) [system] integer(_r)
   Fail: (199) [system] integer(_r)
   Call: (199) [system] _105314=_r
   Exit: (199) [system] _r=_r
^  Exit: (198) [user] classify_and_convert_charseq([$, r], _r)
^  Exit: (197) [user] read_symbolic(')', (0x563acd73bee0), $, _r)
^  Exit: (196) [user] cont_sexpr(')', (0x563acd73bee0), _r)
^  Call: (196) [user] read_list(')', (0x563acd73bee0), _179868)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _181726)
   Exit: (198) [system] peek_char((0x563acd73bee0), ')')
   Call: (198) [system] ')'=(;)
   Fail: (198) [system] ')'=(;)
   Call: (198) [system] ')'=(/)
   Fail: (198) [system] ')'=(/)
^  Call: (198) [user] is_like_space(')')
   Call: (199) [system] char_type(')', 'white')
   Fail: (199) [system] char_type(')', 'white')
   Call: (199) [system] char_type(')', end_of_line)
   Fail: (199) [system] char_type(')', end_of_line)
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] char_type(')', cntrl)
   Fail: (199) [system] char_type(')', cntrl)
^  Fail: (198) [user] is_like_space(')')
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _197736)
   Exit: (197) [system] peek_char((0x563acd73bee0), ')')
   Call: (197) [system] ')'=')'
   Exit: (197) [system] ')'=')'
   Call: (197) [system] get_char((0x563acd73bee0), _201526)
   Exit: (197) [system] get_char((0x563acd73bee0), ')')
   Call: (197) [system] _179868=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_list(')', (0x563acd73bee0), [])
   Call: (196) [system] _68654=[_r]
   Exit: (196) [system] [_r]=[_r]
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), [_r])
   Call: (195) [system] _3448=[_q, _r]
   Exit: (195) [system] [_q, _r]=[_q, _r]
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), [_q, _r])
   Call: (194) [system] _3440=['ImplicationLink', _q, _r]
   Exit: (194) [system] ['ImplicationLink', _q, _r]=['ImplicationLink', _q, _r]
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), ['ImplicationLink', _q, _r])
^  Exit: (192) [user] cont_sexpr(')', (0x563acd73bee0), ['ImplicationLink', _q, _r])
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _215408)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _217266)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x563acd73bee0), _226860)
   Exit: (194) [system] get_char((0x563acd73bee0), ' ')
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _229564)
   Exit: (195) [system] peek_char((0x563acd73bee0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _246498)
   Exit: (193) [system] peek_char((0x563acd73bee0), '(')
   Call: (193) [system] '('=')'
   Fail: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
   Fail: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x563acd73bee0), _252068)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _253926)
   Exit: (195) [system] peek_char((0x563acd73bee0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] get_char((0x563acd73bee0), _269936)
   Exit: (194) [system] get_char((0x563acd73bee0), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _252068)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _275506)
   Exit: (196) [system] peek_char((0x563acd73bee0), 'I')
   Call: (196) [system] 'I'=(;)
   Fail: (196) [system] 'I'=(;)
   Call: (196) [system] 'I'=(/)
   Fail: (196) [system] 'I'=(/)
^  Call: (196) [user] is_like_space('I')
   Call: (197) [system] char_type('I', 'white')
   Fail: (197) [system] char_type('I', 'white')
   Call: (197) [system] char_type('I', end_of_line)
   Fail: (197) [system] char_type('I', end_of_line)
   Call: (197) [system] char_type('I', space)
   Fail: (197) [system] char_type('I', space)
   Call: (197) [system] char_type('I', cntrl)
   Fail: (197) [system] char_type('I', cntrl)
^  Fail: (196) [user] is_like_space('I')
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _291516)
   Exit: (195) [system] peek_char((0x563acd73bee0), 'I')
   Call: (195) [system] 'I'=')'
   Fail: (195) [system] 'I'=')'
   Call: (195) [system] 'I'=end_of_file
   Fail: (195) [system] 'I'=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x563acd73bee0), _297086)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _298944)
   Exit: (197) [system] peek_char((0x563acd73bee0), 'I')
   Call: (197) [system] 'I'=(;)
   Fail: (197) [system] 'I'=(;)
   Call: (197) [system] 'I'=(/)
   Fail: (197) [system] 'I'=(/)
^  Call: (197) [user] is_like_space('I')
   Call: (198) [system] char_type('I', 'white')
   Fail: (198) [system] char_type('I', 'white')
   Call: (198) [system] char_type('I', end_of_line)
   Fail: (198) [system] char_type('I', end_of_line)
   Call: (198) [system] char_type('I', space)
   Fail: (198) [system] char_type('I', space)
   Call: (198) [system] char_type('I', cntrl)
   Fail: (198) [system] char_type('I', cntrl)
^  Fail: (197) [user] is_like_space('I')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] get_char((0x563acd73bee0), _314954)
   Exit: (196) [system] get_char((0x563acd73bee0), 'I')
   Call: (196) [system] 'I'='('
   Fail: (196) [system] 'I'='('
   Call: (196) [system] 'I'='['
   Fail: (196) [system] 'I'='['
   Call: (196) [system] 'I'='{'
   Fail: (196) [system] 'I'='{'
   Call: (196) [system] 'I'='"'
   Fail: (196) [system] 'I'='"'
   Call: (196) [system] 'I'=!
   Fail: (196) [system] 'I'=!
   Call: (196) [system] 'I'='\''
   Fail: (196) [system] 'I'='\''
   Call: (196) [system] 'I'='`'
   Fail: (196) [system] 'I'='`'
   Call: (196) [system] 'I'=end_of_file
   Fail: (196) [system] 'I'=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x563acd73bee0), 'I', _297086)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _332596)
   Call: (198) [system] peek_char((0x563acd73bee0), _333530)
   Exit: (198) [system] peek_char((0x563acd73bee0), m)
^  Call: (198) [user] is_delimiter(m)
   Call: (199) [system] char_type(m, space)
   Fail: (199) [system] char_type(m, space)
   Call: (199) [system] arg(_338250, v('(', ')', end_of_file), m)
   Fail: (199) [system] arg(_339182, v('(', ')', end_of_file), m)
^  Fail: (198) [user] is_delimiter(m)
   Call: (198) [system] ')'==m
   Fail: (198) [system] ')'==m
   Call: (198) [system] get_char((0x563acd73bee0), m)
   Exit: (198) [system] get_char((0x563acd73bee0), m)
   Call: (198) [system] m=(\)
   Fail: (198) [system] m=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _346532)
   Call: (199) [system] peek_char((0x563acd73bee0), _347466)
   Exit: (199) [system] peek_char((0x563acd73bee0), p)
^  Call: (199) [user] is_delimiter(p)
   Call: (200) [system] char_type(p, space)
   Fail: (200) [system] char_type(p, space)
   Call: (200) [system] arg(_352186, v('(', ')', end_of_file), p)
   Fail: (200) [system] arg(_353118, v('(', ')', end_of_file), p)
^  Fail: (199) [user] is_delimiter(p)
   Call: (199) [system] ')'==p
   Fail: (199) [system] ')'==p
   Call: (199) [system] get_char((0x563acd73bee0), p)
   Exit: (199) [system] get_char((0x563acd73bee0), p)
   Call: (199) [system] p=(\)
   Fail: (199) [system] p=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _360468)
   Call: (200) [system] peek_char((0x563acd73bee0), _361402)
   Exit: (200) [system] peek_char((0x563acd73bee0), l)
^  Call: (200) [user] is_delimiter(l)
   Call: (201) [system] char_type(l, space)
   Fail: (201) [system] char_type(l, space)
   Call: (201) [system] arg(_366122, v('(', ')', end_of_file), l)
   Fail: (201) [system] arg(_367054, v('(', ')', end_of_file), l)
^  Fail: (200) [user] is_delimiter(l)
   Call: (200) [system] ')'==l
   Fail: (200) [system] ')'==l
   Call: (200) [system] get_char((0x563acd73bee0), l)
   Exit: (200) [system] get_char((0x563acd73bee0), l)
   Call: (200) [system] l=(\)
   Fail: (200) [system] l=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _374404)
   Call: (201) [system] peek_char((0x563acd73bee0), _375338)
   Exit: (201) [system] peek_char((0x563acd73bee0), i)
^  Call: (201) [user] is_delimiter(i)
   Call: (202) [system] char_type(i, space)
   Fail: (202) [system] char_type(i, space)
   Call: (202) [system] arg(_380058, v('(', ')', end_of_file), i)
   Fail: (202) [system] arg(_380990, v('(', ')', end_of_file), i)
^  Fail: (201) [user] is_delimiter(i)
   Call: (201) [system] ')'==i
   Fail: (201) [system] ')'==i
   Call: (201) [system] get_char((0x563acd73bee0), i)
   Exit: (201) [system] get_char((0x563acd73bee0), i)
   Call: (201) [system] i=(\)
   Fail: (201) [system] i=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _388340)
   Call: (202) [system] peek_char((0x563acd73bee0), _389274)
   Exit: (202) [system] peek_char((0x563acd73bee0), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Fail: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_393994, v('(', ')', end_of_file), c)
   Fail: (203) [system] arg(_394926, v('(', ')', end_of_file), c)
^  Fail: (202) [user] is_delimiter(c)
   Call: (202) [system] ')'==c
   Fail: (202) [system] ')'==c
   Call: (202) [system] get_char((0x563acd73bee0), c)
   Exit: (202) [system] get_char((0x563acd73bee0), c)
   Call: (202) [system] c=(\)
   Fail: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _402276)
   Call: (203) [system] peek_char((0x563acd73bee0), _403210)
   Exit: (203) [system] peek_char((0x563acd73bee0), a)
^  Call: (203) [user] is_delimiter(a)
   Call: (204) [system] char_type(a, space)
   Fail: (204) [system] char_type(a, space)
   Call: (204) [system] arg(_407930, v('(', ')', end_of_file), a)
   Fail: (204) [system] arg(_408862, v('(', ')', end_of_file), a)
^  Fail: (203) [user] is_delimiter(a)
   Call: (203) [system] ')'==a
   Fail: (203) [system] ')'==a
   Call: (203) [system] get_char((0x563acd73bee0), a)
   Exit: (203) [system] get_char((0x563acd73bee0), a)
   Call: (203) [system] a=(\)
   Fail: (203) [system] a=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _416212)
   Call: (204) [system] peek_char((0x563acd73bee0), _417146)
   Exit: (204) [system] peek_char((0x563acd73bee0), t)
^  Call: (204) [user] is_delimiter(t)
   Call: (205) [system] char_type(t, space)
   Fail: (205) [system] char_type(t, space)
   Call: (205) [system] arg(_421866, v('(', ')', end_of_file), t)
   Fail: (205) [system] arg(_422798, v('(', ')', end_of_file), t)
^  Fail: (204) [user] is_delimiter(t)
   Call: (204) [system] ')'==t
   Fail: (204) [system] ')'==t
   Call: (204) [system] get_char((0x563acd73bee0), t)
   Exit: (204) [system] get_char((0x563acd73bee0), t)
   Call: (204) [system] t=(\)
   Fail: (204) [system] t=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _430148)
   Call: (205) [system] peek_char((0x563acd73bee0), _431082)
   Exit: (205) [system] peek_char((0x563acd73bee0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_435802, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_436734, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x563acd73bee0), i)
   Exit: (205) [system] get_char((0x563acd73bee0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _444084)
   Call: (206) [system] peek_char((0x563acd73bee0), _445018)
   Exit: (206) [system] peek_char((0x563acd73bee0), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_449738, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_450670, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x563acd73bee0), o)
   Exit: (206) [system] get_char((0x563acd73bee0), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _458020)
   Call: (207) [system] peek_char((0x563acd73bee0), _458954)
   Exit: (207) [system] peek_char((0x563acd73bee0), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Fail: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_463674, v('(', ')', end_of_file), n)
   Fail: (208) [system] arg(_464606, v('(', ')', end_of_file), n)
^  Fail: (207) [user] is_delimiter(n)
   Call: (207) [system] ')'==n
   Fail: (207) [system] ')'==n
   Call: (207) [system] get_char((0x563acd73bee0), n)
   Exit: (207) [system] get_char((0x563acd73bee0), n)
   Call: (207) [system] n=(\)
   Fail: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _471956)
   Call: (208) [system] peek_char((0x563acd73bee0), _472890)
   Exit: (208) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (208) [user] is_delimiter('L')
   Call: (209) [system] char_type('L', space)
   Fail: (209) [system] char_type('L', space)
   Call: (209) [system] arg(_477610, v('(', ')', end_of_file), 'L')
   Fail: (209) [system] arg(_478542, v('(', ')', end_of_file), 'L')
^  Fail: (208) [user] is_delimiter('L')
   Call: (208) [system] ')'=='L'
   Fail: (208) [system] ')'=='L'
   Call: (208) [system] get_char((0x563acd73bee0), 'L')
   Exit: (208) [system] get_char((0x563acd73bee0), 'L')
   Call: (208) [system] 'L'=(\)
   Fail: (208) [system] 'L'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _485892)
   Call: (209) [system] peek_char((0x563acd73bee0), _486826)
   Exit: (209) [system] peek_char((0x563acd73bee0), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_491546, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_492478, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x563acd73bee0), i)
   Exit: (209) [system] get_char((0x563acd73bee0), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _499828)
   Call: (210) [system] peek_char((0x563acd73bee0), _500762)
   Exit: (210) [system] peek_char((0x563acd73bee0), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Fail: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_505482, v('(', ')', end_of_file), n)
   Fail: (211) [system] arg(_506414, v('(', ')', end_of_file), n)
^  Fail: (210) [user] is_delimiter(n)
   Call: (210) [system] ')'==n
   Fail: (210) [system] ')'==n
   Call: (210) [system] get_char((0x563acd73bee0), n)
   Exit: (210) [system] get_char((0x563acd73bee0), n)
   Call: (210) [system] n=(\)
   Fail: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _513764)
   Call: (211) [system] peek_char((0x563acd73bee0), _514698)
   Exit: (211) [system] peek_char((0x563acd73bee0), k)
^  Call: (211) [user] is_delimiter(k)
   Call: (212) [system] char_type(k, space)
   Fail: (212) [system] char_type(k, space)
   Call: (212) [system] arg(_519418, v('(', ')', end_of_file), k)
   Fail: (212) [system] arg(_520350, v('(', ')', end_of_file), k)
^  Fail: (211) [user] is_delimiter(k)
   Call: (211) [system] ')'==k
   Fail: (211) [system] ')'==k
   Call: (211) [system] get_char((0x563acd73bee0), k)
   Exit: (211) [system] get_char((0x563acd73bee0), k)
   Call: (211) [system] k=(\)
   Fail: (211) [system] k=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _527700)
   Call: (212) [system] peek_char((0x563acd73bee0), _528634)
   Exit: (212) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _527700=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (211) [system] _513764=[k]
   Exit: (211) [system] [k]=[k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (210) [system] _499828=[n, k]
   Exit: (210) [system] [n, k]=[n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (209) [system] _485892=[i, n, k]
   Exit: (209) [system] [i, n, k]=[i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (208) [system] _471956=['L', i, n, k]
   Exit: (208) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (207) [system] _458020=[n, 'L', i, n, k]
   Exit: (207) [system] [n, 'L', i, n, k]=[n, 'L', i, n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'L', i, n, k])
   Call: (206) [system] _444084=[o, n, 'L', i, n, k]
   Exit: (206) [system] [o, n, 'L', i, n, k]=[o, n, 'L', i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'L', i, n, k])
   Call: (205) [system] _430148=[i, o, n, 'L', i, n, k]
   Exit: (205) [system] [i, o, n, 'L', i, n, k]=[i, o, n, 'L', i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'L', i, n, k])
   Call: (204) [system] _416212=[t, i, o, n, 'L', i, n, k]
   Exit: (204) [system] [t, i, o, n, 'L', i, n, k]=[t, i, o, n, 'L', i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'L', i, n, k])
   Call: (203) [system] _402276=[a, t, i, o, n, 'L', i, n, k]
   Exit: (203) [system] [a, t, i, o, n, 'L', i, n, k]=[a, t, i, o, n, 'L', i, n, k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n, 'L', i, n, k])
   Call: (202) [system] _388340=[c, a, t, i, o, n, 'L', i, n, k]
   Exit: (202) [system] [c, a, t, i, o, n, 'L', i, n, k]=[c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n, 'L', i, n, k])
   Call: (201) [system] _374404=[i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (201) [system] [i, c, a, t, i, o, n, 'L', i, n, k]=[i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n, 'L', i, n, k])
   Call: (200) [system] _360468=[l, i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (200) [system] [l, i, c, a, t, i, o, n, 'L', i, n, k]=[l, i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n, 'L', i, n, k])
   Call: (199) [system] _346532=[p, l, i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (199) [system] [p, l, i, c, a, t, i, o, n, 'L', i, n, k]=[p, l, i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n, 'L', i, n, k])
   Call: (198) [system] _332596=[m, p, l, i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (198) [system] [m, p, l, i, c, a, t, i, o, n, 'L', i, n, k]=[m, p, l, i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n, 'L', i, n, k])
^  Call: (197) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _297086)
^  Call: (198) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _577034)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_577986, _577988), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _577034), _577968, fail)), '$restore_trace'(_577986, _577988))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_577986, _577988))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _577034), _577968, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(_577034)
   Fail: (199) [system] atomic(_577034)
   Call: (199) [system] atom_chars(_577034, ['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k])
   Exit: (199) [system] atom_chars('ImplicationLink', ['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k])
^  Exit: (198) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], 'ImplicationLink')
   Call: (198) [system] integer('ImplicationLink')
   Fail: (198) [system] integer('ImplicationLink')
   Call: (198) [system] _297086='ImplicationLink'
   Exit: (198) [system] 'ImplicationLink'='ImplicationLink'
^  Exit: (197) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], 'ImplicationLink')
^  Exit: (196) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'ImplicationLink')
^  Exit: (195) [user] cont_sexpr(')', (0x563acd73bee0), 'ImplicationLink')
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _591984)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _593842)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x563acd73bee0), _603436)
   Exit: (197) [system] get_char((0x563acd73bee0), ' ')
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _606140)
   Exit: (198) [system] peek_char((0x563acd73bee0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _623074)
   Exit: (196) [system] peek_char((0x563acd73bee0), $)
   Call: (196) [system] ($)=')'
   Fail: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x563acd73bee0), _628644)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _630502)
   Exit: (198) [system] peek_char((0x563acd73bee0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] get_char((0x563acd73bee0), _646512)
   Exit: (197) [system] get_char((0x563acd73bee0), $)
   Call: (197) [system] ($)='('
   Fail: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Fail: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Fail: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Fail: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Fail: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Fail: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Fail: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x563acd73bee0), $, _628644)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _664154)
   Call: (199) [system] peek_char((0x563acd73bee0), _665088)
   Exit: (199) [system] peek_char((0x563acd73bee0), p)
^  Call: (199) [user] is_delimiter(p)
   Call: (200) [system] char_type(p, space)
   Fail: (200) [system] char_type(p, space)
   Call: (200) [system] arg(_669808, v('(', ')', end_of_file), p)
   Fail: (200) [system] arg(_670740, v('(', ')', end_of_file), p)
^  Fail: (199) [user] is_delimiter(p)
   Call: (199) [system] ')'==p
   Fail: (199) [system] ')'==p
   Call: (199) [system] get_char((0x563acd73bee0), p)
   Exit: (199) [system] get_char((0x563acd73bee0), p)
   Call: (199) [system] p=(\)
   Fail: (199) [system] p=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _678090)
   Call: (200) [system] peek_char((0x563acd73bee0), _679024)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _678090=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (199) [system] _664154=[p]
   Exit: (199) [system] [p]=[p]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [p])
^  Call: (198) [user] classify_and_convert_charseq([$, p], _628644)
^  Call: (199) [user] classify_and_convert_charseq_([$, p], _691102)
   Call: (200) [system] atom_chars(_692034, ['_', p])
   Exit: (200) [system] atom_chars('_p', ['_', p])
^  Exit: (199) [user] classify_and_convert_charseq_([$, p], _p)
   Call: (199) [system] integer(_p)
   Fail: (199) [system] integer(_p)
   Call: (199) [system] _628644=_p
   Exit: (199) [system] _p=_p
^  Exit: (198) [user] classify_and_convert_charseq([$, p], _p)
^  Exit: (197) [user] read_symbolic(')', (0x563acd73bee0), $, _p)
^  Exit: (196) [user] cont_sexpr(')', (0x563acd73bee0), _p)
^  Call: (196) [user] read_list(')', (0x563acd73bee0), _701326)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _703184)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x563acd73bee0), _712778)
   Exit: (198) [system] get_char((0x563acd73bee0), ' ')
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _715482)
   Exit: (199) [system] peek_char((0x563acd73bee0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _732416)
   Exit: (197) [system] peek_char((0x563acd73bee0), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x563acd73bee0), _737986)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _739844)
   Exit: (199) [system] peek_char((0x563acd73bee0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] get_char((0x563acd73bee0), _755854)
   Exit: (198) [system] get_char((0x563acd73bee0), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x563acd73bee0), $, _737986)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _773496)
   Call: (200) [system] peek_char((0x563acd73bee0), _774430)
   Exit: (200) [system] peek_char((0x563acd73bee0), r)
^  Call: (200) [user] is_delimiter(r)
   Call: (201) [system] char_type(r, space)
   Fail: (201) [system] char_type(r, space)
   Call: (201) [system] arg(_779150, v('(', ')', end_of_file), r)
   Fail: (201) [system] arg(_780082, v('(', ')', end_of_file), r)
^  Fail: (200) [user] is_delimiter(r)
   Call: (200) [system] ')'==r
   Fail: (200) [system] ')'==r
   Call: (200) [system] get_char((0x563acd73bee0), r)
   Exit: (200) [system] get_char((0x563acd73bee0), r)
   Call: (200) [system] r=(\)
   Fail: (200) [system] r=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _787432)
   Call: (201) [system] peek_char((0x563acd73bee0), _788366)
   Exit: (201) [system] peek_char((0x563acd73bee0), ')')
^  Call: (201) [user] is_delimiter(')')
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] arg(_793086, v('(', ')', end_of_file), ')')
   Exit: (202) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (201) [user] is_delimiter(')')
   Call: (201) [system] _787432=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (200) [system] _773496=[r]
   Exit: (200) [system] [r]=[r]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [r])
^  Call: (199) [user] classify_and_convert_charseq([$, r], _737986)
^  Call: (200) [user] classify_and_convert_charseq_([$, r], _802316)
   Call: (201) [system] atom_chars(_803248, ['_', r])
   Exit: (201) [system] atom_chars('_r', ['_', r])
^  Exit: (200) [user] classify_and_convert_charseq_([$, r], _r)
   Call: (200) [system] integer(_r)
   Fail: (200) [system] integer(_r)
   Call: (200) [system] _737986=_r
   Exit: (200) [system] _r=_r
^  Exit: (199) [user] classify_and_convert_charseq([$, r], _r)
^  Exit: (198) [user] read_symbolic(')', (0x563acd73bee0), $, _r)
^  Exit: (197) [user] cont_sexpr(')', (0x563acd73bee0), _r)
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _812540)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _814398)
   Exit: (199) [system] peek_char((0x563acd73bee0), ')')
   Call: (199) [system] ')'=(;)
   Fail: (199) [system] ')'=(;)
   Call: (199) [system] ')'=(/)
   Fail: (199) [system] ')'=(/)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Fail: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Fail: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
   Fail: (200) [system] char_type(')', cntrl)
^  Fail: (199) [user] is_like_space(')')
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _830408)
   Exit: (198) [system] peek_char((0x563acd73bee0), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x563acd73bee0), _834198)
   Exit: (198) [system] get_char((0x563acd73bee0), ')')
   Call: (198) [system] _812540=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x563acd73bee0), [])
   Call: (197) [system] _701326=[_r]
   Exit: (197) [system] [_r]=[_r]
^  Exit: (196) [user] read_list(')', (0x563acd73bee0), [_r])
   Call: (196) [system] _591984=[_p, _r]
   Exit: (196) [system] [_p, _r]=[_p, _r]
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), [_p, _r])
   Call: (195) [system] _252068=['ImplicationLink', _p, _r]
   Exit: (195) [system] ['ImplicationLink', _p, _r]=['ImplicationLink', _p, _r]
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), ['ImplicationLink', _p, _r])
^  Exit: (193) [user] cont_sexpr(')', (0x563acd73bee0), ['ImplicationLink', _p, _r])
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _848080)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _849938)
   Exit: (195) [system] peek_char((0x563acd73bee0), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
   Call: (195) [system] ')'=(/)
   Fail: (195) [system] ')'=(/)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _865948)
   Exit: (194) [system] peek_char((0x563acd73bee0), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x563acd73bee0), _869738)
   Exit: (194) [system] get_char((0x563acd73bee0), ')')
   Call: (194) [system] _848080=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), [])
   Call: (193) [system] _215408=[['ImplicationLink', _p, _r]]
   Exit: (193) [system] [['ImplicationLink', _p, _r]]=[['ImplicationLink', _p, _r]]
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), [['ImplicationLink', _p, _r]])
   Call: (192) [system] _3436=[['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]
   Exit: (192) [system] [['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]=[['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]
^  Exit: (191) [user] read_list(')', (0x563acd73bee0), [['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]])
   Call: (191) [system] _3404=[['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]
   Exit: (191) [system] [['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]=[['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]
^  Exit: (190) [user] read_list(')', (0x563acd73bee0), [['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]])
   Call: (190) [system] _3396=[->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]
   Exit: (190) [system] [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]=[->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]
^  Exit: (189) [user] read_list(')', (0x563acd73bee0), [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]])
^  Exit: (188) [user] cont_sexpr(')', (0x563acd73bee0), [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]])
^  Call: (188) [user] read_list(')', (0x563acd73bee0), _886414)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _888272)
   Exit: (190) [system] peek_char((0x563acd73bee0), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
   Call: (190) [system] ')'=(/)
   Fail: (190) [system] ')'=(/)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _904282)
   Exit: (189) [system] peek_char((0x563acd73bee0), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x563acd73bee0), _908072)
   Exit: (189) [system] get_char((0x563acd73bee0), ')')
   Call: (189) [system] _886414=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x563acd73bee0), [])
   Call: (188) [system] _3392=[[->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]
   Exit: (188) [system] [[->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]=[[->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]
^  Exit: (187) [user] read_list(')', (0x563acd73bee0), [[->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]])
   Call: (187) [system] _3386=['Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]
   Exit: (187) [system] ['Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]=['Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]
^  Exit: (186) [user] read_list(')', (0x563acd73bee0), ['Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]])
   Call: (186) [system] _3378=[:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]
   Exit: (186) [system] [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]=[:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]
^  Exit: (185) [user] read_list(')', (0x563acd73bee0), [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]])
^  Exit: (184) [user] cont_sexpr(')', (0x563acd73bee0), [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]])
^  Call: (184) [user] read_list(')', (0x563acd73bee0), _921954)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _923812)
   Exit: (186) [system] peek_char((0x563acd73bee0), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
   Call: (186) [system] ')'=(/)
   Fail: (186) [system] ')'=(/)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _939822)
   Exit: (185) [system] peek_char((0x563acd73bee0), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x563acd73bee0), _943612)
   Exit: (185) [system] get_char((0x563acd73bee0), ')')
   Call: (185) [system] _921954=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x563acd73bee0), [])
   Call: (184) [system] _3374=[[:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]]
   Exit: (184) [system] [[:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]]=[[:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]]
^  Exit: (183) [user] read_list(')', (0x563acd73bee0), [[:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]])
   Call: (183) [system] _3362=[[rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]]
   Exit: (183) [system] [[rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]]=[[rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]]
^  Exit: (182) [user] read_list(')', (0x563acd73bee0), [[rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]])
   Call: (182) [system] _3322=[=, [rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]]
   Exit: (182) [system] [=, [rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]]=[=, [rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]]
^  Exit: (181) [user] read_list(')', (0x563acd73bee0), [=, [rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]])
^  Exit: (180) [user] cont_sexpr(')', (0x563acd73bee0), [=, [rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]])
^  Exit: (179) [user] read_sexpr((0x563acd73bee0), [=, [rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]])
^  Call: (179) [user] assertz(metta_file_comment(110, 0, 4336, [=, [rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]], '$stream_position'(4336, 110, 0, 4336)))
^  Exit: (179) [user] assertz(metta_file_comment(110, 0, 4336, [=, [rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]], '$stream_position'(4336, 110, 0, 4336)))
^  Exit: (177) [system] once(user:(read_position((0x563acd73bee0), 110, 0, 4336, '$stream_position'(4336, 110, 0, 4336)), read_sexpr((0x563acd73bee0), [=, [rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]]), assertz(metta_file_comment(110, 0, 4336, [=, [rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]], '$stream_position'(4336, 110, 0, 4336)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_962130, _962132, _962134, _962136, _962138))
^  Exit: (177) [user] retract(metta_file_comment(53, 0, 1693, '$COMMENT'(";; Unary rule", 53, 0), '$stream_position'(1693, 53, 0, 1693)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; Unary rule", 53, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";; Unary rule", 53, 0), _964964))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";; Unary rule", 53, 0), _964964)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";; Unary rule", 53, 0), _964964)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";; Unary rule", 53, 0), _967780))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";; Unary rule", 53, 0), _967780))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";; Unary rule", 53, 0), _967780)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";; Unary rule", 53, 0), _970580))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";; Unary rule", 53, 0), _970580)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";; Unary rule", 53, 0), _970580)
   Call: (187) [system] var('$COMMENT'(";; Unary rule", 53, 0))
   Call: (187) [system] atom('$COMMENT'(";; Unary rule", 53, 0))
   Call: (187) [system] '$COMMENT'(";; Unary rule", 53, 0)==true
   Call: (187) [system] '$COMMENT'(";; Unary rule", 53, 0)==false
   Call: (187) [system] '$COMMENT'(";; Unary rule", 53, 0)==[_977100, _977106]
   Call: (187) [system] is_list('$COMMENT'(";; Unary rule", 53, 0))
   Call: (187) [system] string('$COMMENT'(";; Unary rule", 53, 0))
   Call: (187) [system] compound('$COMMENT'(";; Unary rule", 53, 0))
   Exit: (187) [system] compound('$COMMENT'(";; Unary rule", 53, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";; Unary rule", 53, 0), _981734, _981736)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; Unary rule", 53, 0), '$COMMENT', [";; Unary rule", 53, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";; Unary rule", 53, 0], _985476)
   Call: (188) [apply] apply:maplist_([";; Unary rule", 53, 0], _985476, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";; Unary rule", _987356)
   Call: (190) [system] var(";; Unary rule")
   Call: (190) [system] atom(";; Unary rule")
   Call: (190) [system] ";; Unary rule"==true
   Call: (190) [system] ";; Unary rule"==false
   Call: (190) [system] ";; Unary rule"==[_991998, _992004]
   Call: (190) [system] is_list(";; Unary rule")
   Call: (190) [system] string(";; Unary rule")
   Exit: (190) [system] string(";; Unary rule")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";; Unary rule")
^  Call: (190) [user] symbol(";; Unary rule")
   Call: (191) [system] atom(";; Unary rule")
   Fail: (191) [system] atom(";; Unary rule")
^  Fail: (190) [user] symbol(";; Unary rule")
   Call: (190) [system] ";; Unary rule"=_987356
   Exit: (190) [system] ";; Unary rule"=";; Unary rule"
^  Exit: (189) [user] mfix_vars1(";; Unary rule", ";; Unary rule")
   Call: (189) [apply] apply:maplist_([53, 0], _987358, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(53, _1005878)
   Call: (191) [system] var(53)
   Call: (191) [system] atom(53)
   Call: (191) [system] 53==true
   Call: (191) [system] 53==false
   Call: (191) [system] 53==[_1010520, _1010526]
   Call: (191) [system] is_list(53)
   Call: (191) [system] string(53)
   Call: (191) [system] compound(53)
^  Call: (191) [user] symbol(53)
   Call: (192) [system] atom(53)
   Fail: (192) [system] atom(53)
^  Fail: (191) [user] symbol(53)
   Call: (191) [system] 53=_1005878
   Exit: (191) [system] 53=53
^  Exit: (190) [user] mfix_vars1(53, 53)
   Call: (190) [apply] apply:maplist_([0], _1005880, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _1021644)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_1026286, _1026292]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_1021644
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _1021646, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([53, 0], [53, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";; Unary rule", 53, 0], [";; Unary rule", 53, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";; Unary rule", 53, 0], [";; Unary rule", 53, 0])
   Call: (187) [system] compound_name_arguments(_970580, '$COMMENT', [";; Unary rule", 53, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; Unary rule", 53, 0), '$COMMENT', [";; Unary rule", 53, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0)))
   Call: (184) [system] '$COMMENT'(";; Unary rule", 53, 0)\=@='$COMMENT'(";; Unary rule", 53, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";; Unary rule", 53, 0), _1050462))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";; Unary rule", 53, 0), _1050462))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";; Unary rule", 53, 0), _1050462)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";; Unary rule", 53, 0), _1053262))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";; Unary rule", 53, 0), _1053262)
^  Call: (186) [user] cons_to_c('$COMMENT'(";; Unary rule", 53, 0), _1053262)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0)))
   Call: (184) [system] '$COMMENT'(";; Unary rule", 53, 0)\=@='$COMMENT'(";; Unary rule", 53, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";; Unary rule", 53, 0), _964964))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";; Unary rule", 53, 0), _964964))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";; Unary rule", 53, 0), _964964)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";; Unary rule", 53, 0), _1067220))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";; Unary rule", 53, 0), _1067220)
^  Call: (186) [user] cons_to_l('$COMMENT'(";; Unary rule", 53, 0), _1067220)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0)))
   Call: (184) [system] '$COMMENT'(";; Unary rule", 53, 0)\=@='$COMMENT'(";; Unary rule", 53, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0)))
   Call: (178) [system] '$COMMENT'(";; Unary rule", 53, 0)\=@='$COMMENT'(";; Unary rule", 53, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";; Unary rule", 53, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";; Unary rule", 53, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";; Unary rule", 53, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";; Unary rule", 53, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";; Unary rule", 53, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";; Unary rule", 53, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";; Unary rule", 53, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";; Unary rule", 53, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";; Unary rule", 53, 0))
^  Exit: (171) [user] read_sform((0x563acd73bee0), '$COMMENT'(";; Unary rule", 53, 0))
^  Exit: (170) [system] once(user:read_sform((0x563acd73bee0), '$COMMENT'(";; Unary rule", 53, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x563acd73bee0), '$COMMENT'(";; Unary rule", 53, 0)))
   Call: (169) [system] '$COMMENT'(";; Unary rule", 53, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";; Unary rule", 53, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1727204596.0891678), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204596.0891678), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Unary rule", 53, 0)), 109]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";; Unary rule", 53, 0), ynthesize_long_1727204587_629323, 109)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1727204596.0891678), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204596.0891678), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Unary rule", 53, 0)), 109]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1727204597.8422582)
   Call: (173) [system] arg(1, t(1727204596.0891678), _3148)
   Exit: (173) [system] arg(1, t(1727204596.0891678), 1727204596.0891678)
   Call: (173) [system] _3158 is 1727204597.8422582-1727204596.0891678
   Exit: (173) [system] 1.7530903816223145 is 1727204597.8422582-1727204596.0891678
   Call: (173) [system] 1.7530903816223145>4
   Fail: (173) [system] 1.7530903816223145>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1727204596.0891678), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204596.0891678), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Unary rule", 53, 0)), 109]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 18)
   Call: (175) [system] atom(18+1)
   Call: (175) [system] set_flag(translated_forms, 19)
   Exit: (175) [system] set_flag(translated_forms, 19)
   Exit: (174) [$syspreds] update_flag(translated_forms, 18, 18+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 18, 18+1))
   Exit: (171) [$syspreds] flag(translated_forms, 18, 18+1)
^  Call: (171) [user] write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";; Unary rule", 53, 0), ynthesize_long_1727204587_629323, 109)
^  Call: (172) [user] format((0x563acd7397e0), "/* ~w */~n", [";; Unary rule"])
^  Exit: (172) [user] format((0x563acd7397e0), "/* ~w */~n", [";; Unary rule"])
^  Exit: (171) [user] write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";; Unary rule", 53, 0), ynthesize_long_1727204587_629323, 109)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1727204596.0891678), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204596.0891678), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Unary rule", 53, 0)), 109]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 18, 18+1), write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";; Unary rule", 53, 0), ynthesize_long_1727204587_629323, 109)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x563acd73bee0))
   Fail: (169) [system] at_end_of_stream((0x563acd73bee0))
^  Call: (169) [user] must_det_ll(line_count((0x563acd73bee0), _3074))
^  Call: (170) [user] once(user:line_count((0x563acd73bee0), _3074))
   Call: (171) [system] line_count((0x563acd73bee0), _3074)
   Exit: (171) [system] line_count((0x563acd73bee0), 110)
^  Exit: (170) [system] once(user:line_count((0x563acd73bee0), 110))
^  Exit: (169) [user] must_det_ll(user:line_count((0x563acd73bee0), 110))
^  Call: (169) [user] must_det_ll(read_sform((0x563acd73bee0), _3084))
^  Call: (170) [user] once(user:read_sform((0x563acd73bee0), _3084))
^  Call: (171) [user] read_sform((0x563acd73bee0), _3084)
   Call: (172) [system] string((0x563acd73bee0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
   Call: (173) [system] string((0x563acd73bee0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), _3084)
   Call: (174) [system] at_end_of_stream((0x563acd73bee0))
   Call: (174) [system] peek_char((0x563acd73bee0), _1142004)
   Exit: (174) [system] peek_char((0x563acd73bee0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x563acd73bee0), '\n')
   Exit: (174) [system] get_char((0x563acd73bee0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x563acd73bee0), _3084)
   Call: (175) [system] at_end_of_stream((0x563acd73bee0))
   Call: (175) [system] peek_char((0x563acd73bee0), _1149426)
   Exit: (175) [system] peek_char((0x563acd73bee0), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
   Call: (176) [system] string((0x563acd73bee0))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), _3084)
   Call: (177) [system] at_end_of_stream((0x563acd73bee0))
   Call: (177) [system] peek_char((0x563acd73bee0), _1157764)
   Exit: (177) [system] peek_char((0x563acd73bee0), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _1160550=(0x563acd73bee0)
   Exit: (177) [system] (0x563acd73bee0)=(0x563acd73bee0)
^  Call: (177) [user] once((read_position((0x563acd73bee0), _1162418, _1162420, _1162422, _1162424), read_sexpr((0x563acd73bee0), _1162436), assertz(metta_file_comment(_1162418, _1162420, _1162422, _1162436, _1162424))))
^  Call: (179) [user] read_position((0x563acd73bee0), _1162418, _1162420, _1162422, _1162424)
   Call: (180) [system] stream_property((0x563acd73bee0), position(_1162424))
   Call: (181) [system] nonvar((0x563acd73bee0))
   Exit: (181) [system] nonvar((0x563acd73bee0))
   Call: (181) [system] nonvar(position(_1162424))
   Exit: (181) [system] nonvar(position(_1162424))
   Exit: (180) [system] stream_property((0x563acd73bee0), position('$stream_position'(4436, 111, 0, 4436)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4436, 111, 0, 4436), _1162418)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _1172676)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(4436, 111, 0, 4436), _1162418)
   Exit: (181) [system] arg(2, '$stream_position'(4436, 111, 0, 4436), 111)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4436, 111, 0, 4436), 111)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4436, 111, 0, 4436), _1162420)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _1180110)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(4436, 111, 0, 4436), _1162420)
   Exit: (181) [system] arg(3, '$stream_position'(4436, 111, 0, 4436), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4436, 111, 0, 4436), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4436, 111, 0, 4436), _1162422)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _1187544)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(4436, 111, 0, 4436), _1162422)
   Exit: (181) [system] arg(1, '$stream_position'(4436, 111, 0, 4436), 4436)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4436, 111, 0, 4436), 4436)
^  Exit: (179) [user] read_position((0x563acd73bee0), 111, 0, 4436, '$stream_position'(4436, 111, 0, 4436))
^  Call: (179) [user] read_sexpr((0x563acd73bee0), _1162436)
   Call: (180) [system] string((0x563acd73bee0))
   Fail: (180) [system] string((0x563acd73bee0))
^  Call: (180) [user] cont_sexpr(')', (0x563acd73bee0), _1162436)
^  Call: (181) [user] skip_spaces((0x563acd73bee0))
   Call: (182) [system] peek_char((0x563acd73bee0), _1197770)
   Exit: (182) [system] peek_char((0x563acd73bee0), '(')
   Call: (182) [system] '('=(;)
   Fail: (182) [system] '('=(;)
   Call: (182) [system] '('=(/)
   Fail: (182) [system] '('=(/)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Fail: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Fail: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Fail: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
   Fail: (183) [system] char_type('(', cntrl)
^  Fail: (182) [user] is_like_space('(')
^  Exit: (181) [user] skip_spaces((0x563acd73bee0))
   Call: (181) [system] get_char((0x563acd73bee0), _1213780)
   Exit: (181) [system] get_char((0x563acd73bee0), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x563acd73bee0), _1162436)
^  Call: (182) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] peek_char((0x563acd73bee0), _1219350)
   Exit: (183) [system] peek_char((0x563acd73bee0), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
   Call: (183) [system] (=)=(/)
   Fail: (183) [system] (=)=(/)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x563acd73bee0))
   Call: (182) [system] peek_char((0x563acd73bee0), _1235360)
   Exit: (182) [system] peek_char((0x563acd73bee0), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x563acd73bee0), _1240930)
^  Call: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _1242788)
   Exit: (184) [system] peek_char((0x563acd73bee0), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
   Call: (184) [system] (=)=(/)
   Fail: (184) [system] (=)=(/)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] get_char((0x563acd73bee0), _1258798)
   Exit: (183) [system] get_char((0x563acd73bee0), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x563acd73bee0), =, _1240930)
^  Call: (184) [user] read_symbolic_cont(')', (0x563acd73bee0), _1276440)
   Call: (185) [system] peek_char((0x563acd73bee0), _1277374)
   Exit: (185) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _1276440=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (184) [user] classify_and_convert_charseq([=], _1240930)
^  Call: (185) [user] classify_and_convert_charseq_([=], _1286658)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_1287610, _1287612), once(user:catch(read_from_chars([=], _1286658), _1287592, fail)), '$restore_trace'(_1287610, _1287612))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_1287610, _1287612))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _1287592, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(=)
   Exit: (186) [system] atomic(=)
^  Exit: (185) [user] classify_and_convert_charseq_([=], =)
   Call: (185) [system] integer(=)
   Fail: (185) [system] integer(=)
   Call: (185) [system] _1240930=(=)
   Exit: (185) [system] (=)=(=)
^  Exit: (184) [user] classify_and_convert_charseq([=], =)
^  Exit: (183) [user] read_symbolic(')', (0x563acd73bee0), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x563acd73bee0), =)
^  Call: (182) [user] read_list(')', (0x563acd73bee0), _1299738)
^  Call: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _1301596)
   Exit: (184) [system] peek_char((0x563acd73bee0), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
   Call: (184) [system] ' '=(/)
   Fail: (184) [system] ' '=(/)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x563acd73bee0), _1311190)
   Exit: (184) [system] get_char((0x563acd73bee0), ' ')
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _1313894)
   Exit: (185) [system] peek_char((0x563acd73bee0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
^  Exit: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] peek_char((0x563acd73bee0), _1330828)
   Exit: (183) [system] peek_char((0x563acd73bee0), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x563acd73bee0), _1336398)
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _1338256)
   Exit: (185) [system] peek_char((0x563acd73bee0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] get_char((0x563acd73bee0), _1354266)
   Exit: (184) [system] get_char((0x563acd73bee0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x563acd73bee0), _1336398)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1359836)
   Exit: (186) [system] peek_char((0x563acd73bee0), r)
   Call: (186) [system] r=(;)
   Fail: (186) [system] r=(;)
   Call: (186) [system] r=(/)
   Fail: (186) [system] r=(/)
^  Call: (186) [user] is_like_space(r)
   Call: (187) [system] char_type(r, 'white')
   Fail: (187) [system] char_type(r, 'white')
   Call: (187) [system] char_type(r, end_of_line)
   Fail: (187) [system] char_type(r, end_of_line)
   Call: (187) [system] char_type(r, space)
   Fail: (187) [system] char_type(r, space)
   Call: (187) [system] char_type(r, cntrl)
   Fail: (187) [system] char_type(r, cntrl)
^  Fail: (186) [user] is_like_space(r)
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _1375846)
   Exit: (185) [system] peek_char((0x563acd73bee0), r)
   Call: (185) [system] r=')'
   Fail: (185) [system] r=')'
   Call: (185) [system] r=end_of_file
   Fail: (185) [system] r=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x563acd73bee0), _1381416)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _1383274)
   Exit: (187) [system] peek_char((0x563acd73bee0), r)
   Call: (187) [system] r=(;)
   Fail: (187) [system] r=(;)
   Call: (187) [system] r=(/)
   Fail: (187) [system] r=(/)
^  Call: (187) [user] is_like_space(r)
   Call: (188) [system] char_type(r, 'white')
   Fail: (188) [system] char_type(r, 'white')
   Call: (188) [system] char_type(r, end_of_line)
   Fail: (188) [system] char_type(r, end_of_line)
   Call: (188) [system] char_type(r, space)
   Fail: (188) [system] char_type(r, space)
   Call: (188) [system] char_type(r, cntrl)
   Fail: (188) [system] char_type(r, cntrl)
^  Fail: (187) [user] is_like_space(r)
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] get_char((0x563acd73bee0), _1399284)
   Exit: (186) [system] get_char((0x563acd73bee0), r)
   Call: (186) [system] r='('
   Fail: (186) [system] r='('
   Call: (186) [system] r='['
   Fail: (186) [system] r='['
   Call: (186) [system] r='{'
   Fail: (186) [system] r='{'
   Call: (186) [system] r='"'
   Fail: (186) [system] r='"'
   Call: (186) [system] r=!
   Fail: (186) [system] r=!
   Call: (186) [system] r='\''
   Fail: (186) [system] r='\''
   Call: (186) [system] r='`'
   Fail: (186) [system] r='`'
   Call: (186) [system] r=end_of_file
   Fail: (186) [system] r=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x563acd73bee0), r, _1381416)
^  Call: (187) [user] read_symbolic_cont(')', (0x563acd73bee0), _1416926)
   Call: (188) [system] peek_char((0x563acd73bee0), _1417860)
   Exit: (188) [system] peek_char((0x563acd73bee0), b)
^  Call: (188) [user] is_delimiter(b)
   Call: (189) [system] char_type(b, space)
   Fail: (189) [system] char_type(b, space)
   Call: (189) [system] arg(_1422580, v('(', ')', end_of_file), b)
   Fail: (189) [system] arg(_1423512, v('(', ')', end_of_file), b)
^  Fail: (188) [user] is_delimiter(b)
   Call: (188) [system] ')'==b
   Fail: (188) [system] ')'==b
   Call: (188) [system] get_char((0x563acd73bee0), b)
   Exit: (188) [system] get_char((0x563acd73bee0), b)
   Call: (188) [system] b=(\)
   Fail: (188) [system] b=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), _1430862)
   Call: (189) [system] peek_char((0x563acd73bee0), _1431796)
   Exit: (189) [system] peek_char((0x563acd73bee0), ')')
^  Call: (189) [user] is_delimiter(')')
   Call: (190) [system] char_type(')', space)
   Fail: (190) [system] char_type(')', space)
   Call: (190) [system] arg(_1436516, v('(', ')', end_of_file), ')')
   Exit: (190) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (189) [user] is_delimiter(')')
   Call: (189) [system] _1430862=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (188) [system] _1416926=[b]
   Exit: (188) [system] [b]=[b]
^  Exit: (187) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
^  Call: (187) [user] classify_and_convert_charseq([r, b], _1381416)
^  Call: (188) [user] classify_and_convert_charseq_([r, b], _1445746)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_1446698, _1446700), once(user:catch(read_from_chars([r, b], _1445746), _1446680, fail)), '$restore_trace'(_1446698, _1446700))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_1446698, _1446700))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([r, b], rb), _1446680, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(rb)
   Exit: (189) [system] atomic(rb)
^  Exit: (188) [user] classify_and_convert_charseq_([r, b], rb)
   Call: (188) [system] integer(rb)
   Fail: (188) [system] integer(rb)
   Call: (188) [system] _1381416=rb
   Exit: (188) [system] rb=rb
^  Exit: (187) [user] classify_and_convert_charseq([r, b], rb)
^  Exit: (186) [user] read_symbolic(')', (0x563acd73bee0), r, rb)
^  Exit: (185) [user] cont_sexpr(')', (0x563acd73bee0), rb)
^  Call: (185) [user] read_list(')', (0x563acd73bee0), _1458826)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _1460684)
   Exit: (187) [system] peek_char((0x563acd73bee0), ')')
   Call: (187) [system] ')'=(;)
   Fail: (187) [system] ')'=(;)
   Call: (187) [system] ')'=(/)
   Fail: (187) [system] ')'=(/)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Fail: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Fail: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Fail: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
   Fail: (188) [system] char_type(')', cntrl)
^  Fail: (187) [user] is_like_space(')')
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1476694)
   Exit: (186) [system] peek_char((0x563acd73bee0), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x563acd73bee0), _1480484)
   Exit: (186) [system] get_char((0x563acd73bee0), ')')
   Call: (186) [system] _1458826=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x563acd73bee0), [])
   Call: (185) [system] _1336398=[rb]
   Exit: (185) [system] [rb]=[rb]
^  Exit: (184) [user] read_list(')', (0x563acd73bee0), [rb])
^  Exit: (183) [user] cont_sexpr(')', (0x563acd73bee0), [rb])
^  Call: (183) [user] read_list(')', (0x563acd73bee0), _1488778)
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _1490636)
   Exit: (185) [system] peek_char((0x563acd73bee0), ' ')
   Call: (185) [system] ' '=(;)
   Fail: (185) [system] ' '=(;)
   Call: (185) [system] ' '=(/)
   Fail: (185) [system] ' '=(/)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x563acd73bee0), _1500230)
   Exit: (185) [system] get_char((0x563acd73bee0), ' ')
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1502934)
   Exit: (186) [system] peek_char((0x563acd73bee0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _1519868)
   Exit: (184) [system] peek_char((0x563acd73bee0), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x563acd73bee0), _1525438)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1527296)
   Exit: (186) [system] peek_char((0x563acd73bee0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] get_char((0x563acd73bee0), _1543306)
   Exit: (185) [system] get_char((0x563acd73bee0), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x563acd73bee0), _1525438)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _1548876)
   Exit: (187) [system] peek_char((0x563acd73bee0), :)
   Call: (187) [system] (:)=(;)
   Fail: (187) [system] (:)=(;)
   Call: (187) [system] (:)=(/)
   Fail: (187) [system] (:)=(/)
^  Call: (187) [user] is_like_space(:)
   Call: (188) [system] char_type(:, 'white')
   Fail: (188) [system] char_type(:, 'white')
   Call: (188) [system] char_type(:, end_of_line)
   Fail: (188) [system] char_type(:, end_of_line)
   Call: (188) [system] char_type(:, space)
   Fail: (188) [system] char_type(:, space)
   Call: (188) [system] char_type(:, cntrl)
   Fail: (188) [system] char_type(:, cntrl)
^  Fail: (187) [user] is_like_space(:)
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1564886)
   Exit: (186) [system] peek_char((0x563acd73bee0), :)
   Call: (186) [system] (:)=')'
   Fail: (186) [system] (:)=')'
   Call: (186) [system] (:)=end_of_file
   Fail: (186) [system] (:)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x563acd73bee0), _1570456)
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _1572314)
   Exit: (188) [system] peek_char((0x563acd73bee0), :)
   Call: (188) [system] (:)=(;)
   Fail: (188) [system] (:)=(;)
   Call: (188) [system] (:)=(/)
   Fail: (188) [system] (:)=(/)
^  Call: (188) [user] is_like_space(:)
   Call: (189) [system] char_type(:, 'white')
   Fail: (189) [system] char_type(:, 'white')
   Call: (189) [system] char_type(:, end_of_line)
   Fail: (189) [system] char_type(:, end_of_line)
   Call: (189) [system] char_type(:, space)
   Fail: (189) [system] char_type(:, space)
   Call: (189) [system] char_type(:, cntrl)
   Fail: (189) [system] char_type(:, cntrl)
^  Fail: (188) [user] is_like_space(:)
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] get_char((0x563acd73bee0), _1588324)
   Exit: (187) [system] get_char((0x563acd73bee0), :)
   Call: (187) [system] (:)='('
   Fail: (187) [system] (:)='('
   Call: (187) [system] (:)='['
   Fail: (187) [system] (:)='['
   Call: (187) [system] (:)='{'
   Fail: (187) [system] (:)='{'
   Call: (187) [system] (:)='"'
   Fail: (187) [system] (:)='"'
   Call: (187) [system] (:)=!
   Fail: (187) [system] (:)=!
   Call: (187) [system] (:)='\''
   Fail: (187) [system] (:)='\''
   Call: (187) [system] (:)='`'
   Fail: (187) [system] (:)='`'
   Call: (187) [system] (:)=end_of_file
   Fail: (187) [system] (:)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x563acd73bee0), :, _1570456)
^  Call: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), _1605966)
   Call: (189) [system] peek_char((0x563acd73bee0), _1606900)
   Exit: (189) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (189) [user] is_delimiter(' ')
   Call: (190) [system] char_type(' ', space)
   Exit: (190) [system] char_type(' ', space)
^  Exit: (189) [user] is_delimiter(' ')
   Call: (189) [system] _1605966=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (188) [user] classify_and_convert_charseq([:], _1570456)
^  Call: (189) [user] classify_and_convert_charseq_([:], _1616184)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_1617136, _1617138), once(user:catch(read_from_chars([:], _1616184), _1617118, fail)), '$restore_trace'(_1617136, _1617138))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_1617136, _1617138))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1617118, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(:)
   Exit: (190) [system] atomic(:)
^  Exit: (189) [user] classify_and_convert_charseq_([:], :)
   Call: (189) [system] integer(:)
   Fail: (189) [system] integer(:)
   Call: (189) [system] _1570456=(:)
   Exit: (189) [system] (:)=(:)
^  Exit: (188) [user] classify_and_convert_charseq([:], :)
^  Exit: (187) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (186) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (186) [user] read_list(')', (0x563acd73bee0), _1629264)
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _1631122)
   Exit: (188) [system] peek_char((0x563acd73bee0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x563acd73bee0), _1640716)
   Exit: (188) [system] get_char((0x563acd73bee0), ' ')
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1643420)
   Exit: (189) [system] peek_char((0x563acd73bee0), 'D')
   Call: (189) [system] 'D'=(;)
   Fail: (189) [system] 'D'=(;)
   Call: (189) [system] 'D'=(/)
   Fail: (189) [system] 'D'=(/)
^  Call: (189) [user] is_like_space('D')
   Call: (190) [system] char_type('D', 'white')
   Fail: (190) [system] char_type('D', 'white')
   Call: (190) [system] char_type('D', end_of_line)
   Fail: (190) [system] char_type('D', end_of_line)
   Call: (190) [system] char_type('D', space)
   Fail: (190) [system] char_type('D', space)
   Call: (190) [system] char_type('D', cntrl)
   Fail: (190) [system] char_type('D', cntrl)
^  Fail: (189) [user] is_like_space('D')
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _1660354)
   Exit: (187) [system] peek_char((0x563acd73bee0), 'D')
   Call: (187) [system] 'D'=')'
   Fail: (187) [system] 'D'=')'
   Call: (187) [system] 'D'=end_of_file
   Fail: (187) [system] 'D'=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x563acd73bee0), _1665924)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1667782)
   Exit: (189) [system] peek_char((0x563acd73bee0), 'D')
   Call: (189) [system] 'D'=(;)
   Fail: (189) [system] 'D'=(;)
   Call: (189) [system] 'D'=(/)
   Fail: (189) [system] 'D'=(/)
^  Call: (189) [user] is_like_space('D')
   Call: (190) [system] char_type('D', 'white')
   Fail: (190) [system] char_type('D', 'white')
   Call: (190) [system] char_type('D', end_of_line)
   Fail: (190) [system] char_type('D', end_of_line)
   Call: (190) [system] char_type('D', space)
   Fail: (190) [system] char_type('D', space)
   Call: (190) [system] char_type('D', cntrl)
   Fail: (190) [system] char_type('D', cntrl)
^  Fail: (189) [user] is_like_space('D')
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] get_char((0x563acd73bee0), _1683792)
   Exit: (188) [system] get_char((0x563acd73bee0), 'D')
   Call: (188) [system] 'D'='('
   Fail: (188) [system] 'D'='('
   Call: (188) [system] 'D'='['
   Fail: (188) [system] 'D'='['
   Call: (188) [system] 'D'='{'
   Fail: (188) [system] 'D'='{'
   Call: (188) [system] 'D'='"'
   Fail: (188) [system] 'D'='"'
   Call: (188) [system] 'D'=!
   Fail: (188) [system] 'D'=!
   Call: (188) [system] 'D'='\''
   Fail: (188) [system] 'D'='\''
   Call: (188) [system] 'D'='`'
   Fail: (188) [system] 'D'='`'
   Call: (188) [system] 'D'=end_of_file
   Fail: (188) [system] 'D'=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x563acd73bee0), 'D', _1665924)
^  Call: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), _1701434)
   Call: (190) [system] peek_char((0x563acd73bee0), _1702368)
   Exit: (190) [system] peek_char((0x563acd73bee0), i)
^  Call: (190) [user] is_delimiter(i)
   Call: (191) [system] char_type(i, space)
   Fail: (191) [system] char_type(i, space)
   Call: (191) [system] arg(_1707088, v('(', ')', end_of_file), i)
   Fail: (191) [system] arg(_1708020, v('(', ')', end_of_file), i)
^  Fail: (190) [user] is_delimiter(i)
   Call: (190) [system] ')'==i
   Fail: (190) [system] ')'==i
   Call: (190) [system] get_char((0x563acd73bee0), i)
   Exit: (190) [system] get_char((0x563acd73bee0), i)
   Call: (190) [system] i=(\)
   Fail: (190) [system] i=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), _1715370)
   Call: (191) [system] peek_char((0x563acd73bee0), _1716304)
   Exit: (191) [system] peek_char((0x563acd73bee0), s)
^  Call: (191) [user] is_delimiter(s)
   Call: (192) [system] char_type(s, space)
   Fail: (192) [system] char_type(s, space)
   Call: (192) [system] arg(_1721024, v('(', ')', end_of_file), s)
   Fail: (192) [system] arg(_1721956, v('(', ')', end_of_file), s)
^  Fail: (191) [user] is_delimiter(s)
   Call: (191) [system] ')'==s
   Fail: (191) [system] ')'==s
   Call: (191) [system] get_char((0x563acd73bee0), s)
   Exit: (191) [system] get_char((0x563acd73bee0), s)
   Call: (191) [system] s=(\)
   Fail: (191) [system] s=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), _1729306)
   Call: (192) [system] peek_char((0x563acd73bee0), _1730240)
   Exit: (192) [system] peek_char((0x563acd73bee0), j)
^  Call: (192) [user] is_delimiter(j)
   Call: (193) [system] char_type(j, space)
   Fail: (193) [system] char_type(j, space)
   Call: (193) [system] arg(_1734960, v('(', ')', end_of_file), j)
   Fail: (193) [system] arg(_1735892, v('(', ')', end_of_file), j)
^  Fail: (192) [user] is_delimiter(j)
   Call: (192) [system] ')'==j
   Fail: (192) [system] ')'==j
   Call: (192) [system] get_char((0x563acd73bee0), j)
   Exit: (192) [system] get_char((0x563acd73bee0), j)
   Call: (192) [system] j=(\)
   Fail: (192) [system] j=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), _1743242)
   Call: (193) [system] peek_char((0x563acd73bee0), _1744176)
   Exit: (193) [system] peek_char((0x563acd73bee0), u)
^  Call: (193) [user] is_delimiter(u)
   Call: (194) [system] char_type(u, space)
   Fail: (194) [system] char_type(u, space)
   Call: (194) [system] arg(_1748896, v('(', ')', end_of_file), u)
   Fail: (194) [system] arg(_1749828, v('(', ')', end_of_file), u)
^  Fail: (193) [user] is_delimiter(u)
   Call: (193) [system] ')'==u
   Fail: (193) [system] ')'==u
   Call: (193) [system] get_char((0x563acd73bee0), u)
   Exit: (193) [system] get_char((0x563acd73bee0), u)
   Call: (193) [system] u=(\)
   Fail: (193) [system] u=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _1757178)
   Call: (194) [system] peek_char((0x563acd73bee0), _1758112)
   Exit: (194) [system] peek_char((0x563acd73bee0), n)
^  Call: (194) [user] is_delimiter(n)
   Call: (195) [system] char_type(n, space)
   Fail: (195) [system] char_type(n, space)
   Call: (195) [system] arg(_1762832, v('(', ')', end_of_file), n)
   Fail: (195) [system] arg(_1763764, v('(', ')', end_of_file), n)
^  Fail: (194) [user] is_delimiter(n)
   Call: (194) [system] ')'==n
   Fail: (194) [system] ')'==n
   Call: (194) [system] get_char((0x563acd73bee0), n)
   Exit: (194) [system] get_char((0x563acd73bee0), n)
   Call: (194) [system] n=(\)
   Fail: (194) [system] n=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _1771114)
   Call: (195) [system] peek_char((0x563acd73bee0), _1772048)
   Exit: (195) [system] peek_char((0x563acd73bee0), c)
^  Call: (195) [user] is_delimiter(c)
   Call: (196) [system] char_type(c, space)
   Fail: (196) [system] char_type(c, space)
   Call: (196) [system] arg(_1776768, v('(', ')', end_of_file), c)
   Fail: (196) [system] arg(_1777700, v('(', ')', end_of_file), c)
^  Fail: (195) [user] is_delimiter(c)
   Call: (195) [system] ')'==c
   Fail: (195) [system] ')'==c
   Call: (195) [system] get_char((0x563acd73bee0), c)
   Exit: (195) [system] get_char((0x563acd73bee0), c)
   Call: (195) [system] c=(\)
   Fail: (195) [system] c=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _1785050)
   Call: (196) [system] peek_char((0x563acd73bee0), _1785984)
   Exit: (196) [system] peek_char((0x563acd73bee0), t)
^  Call: (196) [user] is_delimiter(t)
   Call: (197) [system] char_type(t, space)
   Fail: (197) [system] char_type(t, space)
   Call: (197) [system] arg(_1790704, v('(', ')', end_of_file), t)
   Fail: (197) [system] arg(_1791636, v('(', ')', end_of_file), t)
^  Fail: (196) [user] is_delimiter(t)
   Call: (196) [system] ')'==t
   Fail: (196) [system] ')'==t
   Call: (196) [system] get_char((0x563acd73bee0), t)
   Exit: (196) [system] get_char((0x563acd73bee0), t)
   Call: (196) [system] t=(\)
   Fail: (196) [system] t=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _1798986)
   Call: (197) [system] peek_char((0x563acd73bee0), _1799920)
   Exit: (197) [system] peek_char((0x563acd73bee0), i)
^  Call: (197) [user] is_delimiter(i)
   Call: (198) [system] char_type(i, space)
   Fail: (198) [system] char_type(i, space)
   Call: (198) [system] arg(_1804640, v('(', ')', end_of_file), i)
   Fail: (198) [system] arg(_1805572, v('(', ')', end_of_file), i)
^  Fail: (197) [user] is_delimiter(i)
   Call: (197) [system] ')'==i
   Fail: (197) [system] ')'==i
   Call: (197) [system] get_char((0x563acd73bee0), i)
   Exit: (197) [system] get_char((0x563acd73bee0), i)
   Call: (197) [system] i=(\)
   Fail: (197) [system] i=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _1812922)
   Call: (198) [system] peek_char((0x563acd73bee0), _1813856)
   Exit: (198) [system] peek_char((0x563acd73bee0), v)
^  Call: (198) [user] is_delimiter(v)
   Call: (199) [system] char_type(v, space)
   Fail: (199) [system] char_type(v, space)
   Call: (199) [system] arg(_1818576, v('(', ')', end_of_file), v)
   Fail: (199) [system] arg(_1819508, v('(', ')', end_of_file), v)
^  Fail: (198) [user] is_delimiter(v)
   Call: (198) [system] ')'==v
   Fail: (198) [system] ')'==v
   Call: (198) [system] get_char((0x563acd73bee0), v)
   Exit: (198) [system] get_char((0x563acd73bee0), v)
   Call: (198) [system] v=(\)
   Fail: (198) [system] v=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _1826858)
   Call: (199) [system] peek_char((0x563acd73bee0), _1827792)
   Exit: (199) [system] peek_char((0x563acd73bee0), e)
^  Call: (199) [user] is_delimiter(e)
   Call: (200) [system] char_type(e, space)
   Fail: (200) [system] char_type(e, space)
   Call: (200) [system] arg(_1832512, v('(', ')', end_of_file), e)
   Fail: (200) [system] arg(_1833444, v('(', ')', end_of_file), e)
^  Fail: (199) [user] is_delimiter(e)
   Call: (199) [system] ')'==e
   Fail: (199) [system] ')'==e
   Call: (199) [system] get_char((0x563acd73bee0), e)
   Exit: (199) [system] get_char((0x563acd73bee0), e)
   Call: (199) [system] e=(\)
   Fail: (199) [system] e=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _1840794)
   Call: (200) [system] peek_char((0x563acd73bee0), _1841728)
   Exit: (200) [system] peek_char((0x563acd73bee0), 'S')
^  Call: (200) [user] is_delimiter('S')
   Call: (201) [system] char_type('S', space)
   Fail: (201) [system] char_type('S', space)
   Call: (201) [system] arg(_1846448, v('(', ')', end_of_file), 'S')
   Fail: (201) [system] arg(_1847380, v('(', ')', end_of_file), 'S')
^  Fail: (200) [user] is_delimiter('S')
   Call: (200) [system] ')'=='S'
   Fail: (200) [system] ')'=='S'
   Call: (200) [system] get_char((0x563acd73bee0), 'S')
   Exit: (200) [system] get_char((0x563acd73bee0), 'S')
   Call: (200) [system] 'S'=(\)
   Fail: (200) [system] 'S'=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _1854730)
   Call: (201) [system] peek_char((0x563acd73bee0), _1855664)
   Exit: (201) [system] peek_char((0x563acd73bee0), y)
^  Call: (201) [user] is_delimiter(y)
   Call: (202) [system] char_type(y, space)
   Fail: (202) [system] char_type(y, space)
   Call: (202) [system] arg(_1860384, v('(', ')', end_of_file), y)
   Fail: (202) [system] arg(_1861316, v('(', ')', end_of_file), y)
^  Fail: (201) [user] is_delimiter(y)
   Call: (201) [system] ')'==y
   Fail: (201) [system] ')'==y
   Call: (201) [system] get_char((0x563acd73bee0), y)
   Exit: (201) [system] get_char((0x563acd73bee0), y)
   Call: (201) [system] y=(\)
   Fail: (201) [system] y=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _1868666)
   Call: (202) [system] peek_char((0x563acd73bee0), _1869600)
   Exit: (202) [system] peek_char((0x563acd73bee0), l)
^  Call: (202) [user] is_delimiter(l)
   Call: (203) [system] char_type(l, space)
   Fail: (203) [system] char_type(l, space)
   Call: (203) [system] arg(_1874320, v('(', ')', end_of_file), l)
   Fail: (203) [system] arg(_1875252, v('(', ')', end_of_file), l)
^  Fail: (202) [user] is_delimiter(l)
   Call: (202) [system] ')'==l
   Fail: (202) [system] ')'==l
   Call: (202) [system] get_char((0x563acd73bee0), l)
   Exit: (202) [system] get_char((0x563acd73bee0), l)
   Call: (202) [system] l=(\)
   Fail: (202) [system] l=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1882602)
   Call: (203) [system] peek_char((0x563acd73bee0), _1883536)
   Exit: (203) [system] peek_char((0x563acd73bee0), l)
^  Call: (203) [user] is_delimiter(l)
   Call: (204) [system] char_type(l, space)
   Fail: (204) [system] char_type(l, space)
   Call: (204) [system] arg(_1888256, v('(', ')', end_of_file), l)
   Fail: (204) [system] arg(_1889188, v('(', ')', end_of_file), l)
^  Fail: (203) [user] is_delimiter(l)
   Call: (203) [system] ')'==l
   Fail: (203) [system] ')'==l
   Call: (203) [system] get_char((0x563acd73bee0), l)
   Exit: (203) [system] get_char((0x563acd73bee0), l)
   Call: (203) [system] l=(\)
   Fail: (203) [system] l=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1896538)
   Call: (204) [system] peek_char((0x563acd73bee0), _1897472)
   Exit: (204) [system] peek_char((0x563acd73bee0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_1902192, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_1903124, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x563acd73bee0), o)
   Exit: (204) [system] get_char((0x563acd73bee0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1910474)
   Call: (205) [system] peek_char((0x563acd73bee0), _1911408)
   Exit: (205) [system] peek_char((0x563acd73bee0), g)
^  Call: (205) [user] is_delimiter(g)
   Call: (206) [system] char_type(g, space)
   Fail: (206) [system] char_type(g, space)
   Call: (206) [system] arg(_1916128, v('(', ')', end_of_file), g)
   Fail: (206) [system] arg(_1917060, v('(', ')', end_of_file), g)
^  Fail: (205) [user] is_delimiter(g)
   Call: (205) [system] ')'==g
   Fail: (205) [system] ')'==g
   Call: (205) [system] get_char((0x563acd73bee0), g)
   Exit: (205) [system] get_char((0x563acd73bee0), g)
   Call: (205) [system] g=(\)
   Fail: (205) [system] g=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1924410)
   Call: (206) [system] peek_char((0x563acd73bee0), _1925344)
   Exit: (206) [system] peek_char((0x563acd73bee0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_1930064, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_1930996, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x563acd73bee0), i)
   Exit: (206) [system] get_char((0x563acd73bee0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1938346)
   Call: (207) [system] peek_char((0x563acd73bee0), _1939280)
   Exit: (207) [system] peek_char((0x563acd73bee0), s)
^  Call: (207) [user] is_delimiter(s)
   Call: (208) [system] char_type(s, space)
   Fail: (208) [system] char_type(s, space)
   Call: (208) [system] arg(_1944000, v('(', ')', end_of_file), s)
   Fail: (208) [system] arg(_1944932, v('(', ')', end_of_file), s)
^  Fail: (207) [user] is_delimiter(s)
   Call: (207) [system] ')'==s
   Fail: (207) [system] ')'==s
   Call: (207) [system] get_char((0x563acd73bee0), s)
   Exit: (207) [system] get_char((0x563acd73bee0), s)
   Call: (207) [system] s=(\)
   Fail: (207) [system] s=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1952282)
   Call: (208) [system] peek_char((0x563acd73bee0), _1953216)
   Exit: (208) [system] peek_char((0x563acd73bee0), m)
^  Call: (208) [user] is_delimiter(m)
   Call: (209) [system] char_type(m, space)
   Fail: (209) [system] char_type(m, space)
   Call: (209) [system] arg(_1957936, v('(', ')', end_of_file), m)
   Fail: (209) [system] arg(_1958868, v('(', ')', end_of_file), m)
^  Fail: (208) [user] is_delimiter(m)
   Call: (208) [system] ')'==m
   Fail: (208) [system] ')'==m
   Call: (208) [system] get_char((0x563acd73bee0), m)
   Exit: (208) [system] get_char((0x563acd73bee0), m)
   Call: (208) [system] m=(\)
   Fail: (208) [system] m=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1966218)
   Call: (209) [system] peek_char((0x563acd73bee0), _1967152)
   Exit: (209) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _1966218=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (208) [system] _1952282=[m]
   Exit: (208) [system] [m]=[m]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [m])
   Call: (207) [system] _1938346=[s, m]
   Exit: (207) [system] [s, m]=[s, m]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, m])
   Call: (206) [system] _1924410=[i, s, m]
   Exit: (206) [system] [i, s, m]=[i, s, m]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, m])
   Call: (205) [system] _1910474=[g, i, s, m]
   Exit: (205) [system] [g, i, s, m]=[g, i, s, m]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [g, i, s, m])
   Call: (204) [system] _1896538=[o, g, i, s, m]
   Exit: (204) [system] [o, g, i, s, m]=[o, g, i, s, m]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, g, i, s, m])
   Call: (203) [system] _1882602=[l, o, g, i, s, m]
   Exit: (203) [system] [l, o, g, i, s, m]=[l, o, g, i, s, m]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, o, g, i, s, m])
   Call: (202) [system] _1868666=[l, l, o, g, i, s, m]
   Exit: (202) [system] [l, l, o, g, i, s, m]=[l, l, o, g, i, s, m]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, l, o, g, i, s, m])
   Call: (201) [system] _1854730=[y, l, l, o, g, i, s, m]
   Exit: (201) [system] [y, l, l, o, g, i, s, m]=[y, l, l, o, g, i, s, m]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [y, l, l, o, g, i, s, m])
   Call: (200) [system] _1840794=['S', y, l, l, o, g, i, s, m]
   Exit: (200) [system] ['S', y, l, l, o, g, i, s, m]=['S', y, l, l, o, g, i, s, m]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), ['S', y, l, l, o, g, i, s, m])
   Call: (199) [system] _1826858=[e, 'S', y, l, l, o, g, i, s, m]
   Exit: (199) [system] [e, 'S', y, l, l, o, g, i, s, m]=[e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, 'S', y, l, l, o, g, i, s, m])
   Call: (198) [system] _1812922=[v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (198) [system] [v, e, 'S', y, l, l, o, g, i, s, m]=[v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (197) [system] _1798986=[i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (197) [system] [i, v, e, 'S', y, l, l, o, g, i, s, m]=[i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (196) [system] _1785050=[t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (196) [system] [t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (195) [system] _1771114=[c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (195) [system] [c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (194) [system] _1757178=[n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (194) [system] [n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (193) [system] _1743242=[u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (193) [system] [u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (192) [system] _1729306=[j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (192) [system] [j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (191) [system] _1715370=[s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (191) [system] [s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (190) [system] _1701434=[i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (190) [system] [i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
^  Call: (189) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m], _1665924)
^  Call: (190) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m], _2029522)
^  Call: (192) [system] setup_call_cleanup('$notrace'(_2030474, _2030476), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m], _2029522), _2030456, fail)), '$restore_trace'(_2030474, _2030476))
^  Call: (193) [system] sig_atomic(system:'$notrace'(_2030474, _2030476))
^  Exit: (192) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m], _2029522), _2030456, fail)), system:'$restore_trace'(3, -1))
   Call: (191) [system] atomic(_2029522)
   Fail: (191) [system] atomic(_2029522)
   Call: (191) [system] atom_chars(_2029522, ['D', i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Exit: (191) [system] atom_chars('DisjunctiveSyllogism', ['D', i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
^  Exit: (190) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m], 'DisjunctiveSyllogism')
   Call: (190) [system] integer('DisjunctiveSyllogism')
   Fail: (190) [system] integer('DisjunctiveSyllogism')
   Call: (190) [system] _1665924='DisjunctiveSyllogism'
   Exit: (190) [system] 'DisjunctiveSyllogism'='DisjunctiveSyllogism'
^  Exit: (189) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m], 'DisjunctiveSyllogism')
^  Exit: (188) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'DisjunctiveSyllogism')
^  Exit: (187) [user] cont_sexpr(')', (0x563acd73bee0), 'DisjunctiveSyllogism')
^  Call: (187) [user] read_list(')', (0x563acd73bee0), _2044472)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _2046330)
   Exit: (189) [system] peek_char((0x563acd73bee0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x563acd73bee0), _2055924)
   Exit: (189) [system] get_char((0x563acd73bee0), ' ')
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _2058628)
   Exit: (190) [system] peek_char((0x563acd73bee0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _2075562)
   Exit: (188) [system] peek_char((0x563acd73bee0), '(')
   Call: (188) [system] '('=')'
   Fail: (188) [system] '('=')'
   Call: (188) [system] '('=end_of_file
   Fail: (188) [system] '('=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x563acd73bee0), _2081132)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _2082990)
   Exit: (190) [system] peek_char((0x563acd73bee0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] get_char((0x563acd73bee0), _5602)
   Exit: (189) [system] get_char((0x563acd73bee0), '(')
   Call: (189) [system] '('='('
   Exit: (189) [system] '('='('
^  Call: (189) [user] read_list(')', (0x563acd73bee0), _3396)
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _11172)
   Exit: (191) [system] peek_char((0x563acd73bee0), -)
   Call: (191) [system] (-)=(;)
   Fail: (191) [system] (-)=(;)
   Call: (191) [system] (-)=(/)
   Fail: (191) [system] (-)=(/)
^  Call: (191) [user] is_like_space(-)
   Call: (192) [system] char_type(-, 'white')
   Fail: (192) [system] char_type(-, 'white')
   Call: (192) [system] char_type(-, end_of_line)
   Fail: (192) [system] char_type(-, end_of_line)
   Call: (192) [system] char_type(-, space)
   Fail: (192) [system] char_type(-, space)
   Call: (192) [system] char_type(-, cntrl)
   Fail: (192) [system] char_type(-, cntrl)
^  Fail: (191) [user] is_like_space(-)
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _27182)
   Exit: (190) [system] peek_char((0x563acd73bee0), -)
   Call: (190) [system] (-)=')'
   Fail: (190) [system] (-)=')'
   Call: (190) [system] (-)=end_of_file
   Fail: (190) [system] (-)=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x563acd73bee0), _32752)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _34610)
   Exit: (192) [system] peek_char((0x563acd73bee0), -)
   Call: (192) [system] (-)=(;)
   Fail: (192) [system] (-)=(;)
   Call: (192) [system] (-)=(/)
   Fail: (192) [system] (-)=(/)
^  Call: (192) [user] is_like_space(-)
   Call: (193) [system] char_type(-, 'white')
   Fail: (193) [system] char_type(-, 'white')
   Call: (193) [system] char_type(-, end_of_line)
   Fail: (193) [system] char_type(-, end_of_line)
   Call: (193) [system] char_type(-, space)
   Fail: (193) [system] char_type(-, space)
   Call: (193) [system] char_type(-, cntrl)
   Fail: (193) [system] char_type(-, cntrl)
^  Fail: (192) [user] is_like_space(-)
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] get_char((0x563acd73bee0), _50620)
   Exit: (191) [system] get_char((0x563acd73bee0), -)
   Call: (191) [system] (-)='('
   Fail: (191) [system] (-)='('
   Call: (191) [system] (-)='['
   Fail: (191) [system] (-)='['
   Call: (191) [system] (-)='{'
   Fail: (191) [system] (-)='{'
   Call: (191) [system] (-)='"'
   Fail: (191) [system] (-)='"'
   Call: (191) [system] (-)=!
   Fail: (191) [system] (-)=!
   Call: (191) [system] (-)='\''
   Fail: (191) [system] (-)='\''
   Call: (191) [system] (-)='`'
   Fail: (191) [system] (-)='`'
   Call: (191) [system] (-)=end_of_file
   Fail: (191) [system] (-)=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x563acd73bee0), -, _32752)
^  Call: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), _68262)
   Call: (193) [system] peek_char((0x563acd73bee0), _69196)
   Exit: (193) [system] peek_char((0x563acd73bee0), >)
^  Call: (193) [user] is_delimiter(>)
   Call: (194) [system] char_type(>, space)
   Fail: (194) [system] char_type(>, space)
   Call: (194) [system] arg(_73916, v('(', ')', end_of_file), >)
   Fail: (194) [system] arg(_74848, v('(', ')', end_of_file), >)
^  Fail: (193) [user] is_delimiter(>)
   Call: (193) [system] ')'==(>)
   Fail: (193) [system] ')'==(>)
   Call: (193) [system] get_char((0x563acd73bee0), >)
   Exit: (193) [system] get_char((0x563acd73bee0), >)
   Call: (193) [system] (>)=(\)
   Fail: (193) [system] (>)=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _82198)
   Call: (194) [system] peek_char((0x563acd73bee0), _83132)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _82198=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (193) [system] _68262=[>]
   Exit: (193) [system] [>]=[>]
^  Exit: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), [>])
^  Call: (192) [user] classify_and_convert_charseq([-, >], _32752)
^  Call: (193) [user] classify_and_convert_charseq_([-, >], _95210)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_96162, _96164), once(user:catch(read_from_chars([-, >], _95210), _96144, fail)), '$restore_trace'(_96162, _96164))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_96162, _96164))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _96144, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(->)
   Exit: (194) [system] atomic(->)
^  Exit: (193) [user] classify_and_convert_charseq_([-, >], ->)
   Call: (193) [system] integer(->)
   Fail: (193) [system] integer(->)
   Call: (193) [system] _32752=(->)
   Exit: (193) [system] (->)=(->)
^  Exit: (192) [user] classify_and_convert_charseq([-, >], ->)
^  Exit: (191) [user] read_symbolic(')', (0x563acd73bee0), -, ->)
^  Exit: (190) [user] cont_sexpr(')', (0x563acd73bee0), ->)
^  Call: (190) [user] read_list(')', (0x563acd73bee0), _108290)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _110148)
   Exit: (192) [system] peek_char((0x563acd73bee0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x563acd73bee0), _119742)
   Exit: (192) [system] get_char((0x563acd73bee0), ' ')
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _122446)
   Exit: (193) [system] peek_char((0x563acd73bee0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _139380)
   Exit: (191) [system] peek_char((0x563acd73bee0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x563acd73bee0), _144950)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _146808)
   Exit: (193) [system] peek_char((0x563acd73bee0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] get_char((0x563acd73bee0), _162818)
   Exit: (192) [system] get_char((0x563acd73bee0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _144950)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _168388)
   Exit: (194) [system] peek_char((0x563acd73bee0), 'O')
   Call: (194) [system] 'O'=(;)
   Fail: (194) [system] 'O'=(;)
   Call: (194) [system] 'O'=(/)
   Fail: (194) [system] 'O'=(/)
^  Call: (194) [user] is_like_space('O')
   Call: (195) [system] char_type('O', 'white')
   Fail: (195) [system] char_type('O', 'white')
   Call: (195) [system] char_type('O', end_of_line)
   Fail: (195) [system] char_type('O', end_of_line)
   Call: (195) [system] char_type('O', space)
   Fail: (195) [system] char_type('O', space)
   Call: (195) [system] char_type('O', cntrl)
   Fail: (195) [system] char_type('O', cntrl)
^  Fail: (194) [user] is_like_space('O')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _184398)
   Exit: (193) [system] peek_char((0x563acd73bee0), 'O')
   Call: (193) [system] 'O'=')'
   Fail: (193) [system] 'O'=')'
   Call: (193) [system] 'O'=end_of_file
   Fail: (193) [system] 'O'=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x563acd73bee0), _189968)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _191826)
   Exit: (195) [system] peek_char((0x563acd73bee0), 'O')
   Call: (195) [system] 'O'=(;)
   Fail: (195) [system] 'O'=(;)
   Call: (195) [system] 'O'=(/)
   Fail: (195) [system] 'O'=(/)
^  Call: (195) [user] is_like_space('O')
   Call: (196) [system] char_type('O', 'white')
   Fail: (196) [system] char_type('O', 'white')
   Call: (196) [system] char_type('O', end_of_line)
   Fail: (196) [system] char_type('O', end_of_line)
   Call: (196) [system] char_type('O', space)
   Fail: (196) [system] char_type('O', space)
   Call: (196) [system] char_type('O', cntrl)
   Fail: (196) [system] char_type('O', cntrl)
^  Fail: (195) [user] is_like_space('O')
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] get_char((0x563acd73bee0), _207836)
   Exit: (194) [system] get_char((0x563acd73bee0), 'O')
   Call: (194) [system] 'O'='('
   Fail: (194) [system] 'O'='('
   Call: (194) [system] 'O'='['
   Fail: (194) [system] 'O'='['
   Call: (194) [system] 'O'='{'
   Fail: (194) [system] 'O'='{'
   Call: (194) [system] 'O'='"'
   Fail: (194) [system] 'O'='"'
   Call: (194) [system] 'O'=!
   Fail: (194) [system] 'O'=!
   Call: (194) [system] 'O'='\''
   Fail: (194) [system] 'O'='\''
   Call: (194) [system] 'O'='`'
   Fail: (194) [system] 'O'='`'
   Call: (194) [system] 'O'=end_of_file
   Fail: (194) [system] 'O'=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x563acd73bee0), 'O', _189968)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _225478)
   Call: (196) [system] peek_char((0x563acd73bee0), _226412)
   Exit: (196) [system] peek_char((0x563acd73bee0), r)
^  Call: (196) [user] is_delimiter(r)
   Call: (197) [system] char_type(r, space)
   Fail: (197) [system] char_type(r, space)
   Call: (197) [system] arg(_231132, v('(', ')', end_of_file), r)
   Fail: (197) [system] arg(_232064, v('(', ')', end_of_file), r)
^  Fail: (196) [user] is_delimiter(r)
   Call: (196) [system] ')'==r
   Fail: (196) [system] ')'==r
   Call: (196) [system] get_char((0x563acd73bee0), r)
   Exit: (196) [system] get_char((0x563acd73bee0), r)
   Call: (196) [system] r=(\)
   Fail: (196) [system] r=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _239414)
   Call: (197) [system] peek_char((0x563acd73bee0), _240348)
   Exit: (197) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (197) [user] is_delimiter('L')
   Call: (198) [system] char_type('L', space)
   Fail: (198) [system] char_type('L', space)
   Call: (198) [system] arg(_245068, v('(', ')', end_of_file), 'L')
   Fail: (198) [system] arg(_246000, v('(', ')', end_of_file), 'L')
^  Fail: (197) [user] is_delimiter('L')
   Call: (197) [system] ')'=='L'
   Fail: (197) [system] ')'=='L'
   Call: (197) [system] get_char((0x563acd73bee0), 'L')
   Exit: (197) [system] get_char((0x563acd73bee0), 'L')
   Call: (197) [system] 'L'=(\)
   Fail: (197) [system] 'L'=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _253350)
   Call: (198) [system] peek_char((0x563acd73bee0), _254284)
   Exit: (198) [system] peek_char((0x563acd73bee0), i)
^  Call: (198) [user] is_delimiter(i)
   Call: (199) [system] char_type(i, space)
   Fail: (199) [system] char_type(i, space)
   Call: (199) [system] arg(_259004, v('(', ')', end_of_file), i)
   Fail: (199) [system] arg(_259936, v('(', ')', end_of_file), i)
^  Fail: (198) [user] is_delimiter(i)
   Call: (198) [system] ')'==i
   Fail: (198) [system] ')'==i
   Call: (198) [system] get_char((0x563acd73bee0), i)
   Exit: (198) [system] get_char((0x563acd73bee0), i)
   Call: (198) [system] i=(\)
   Fail: (198) [system] i=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _267286)
   Call: (199) [system] peek_char((0x563acd73bee0), _268220)
   Exit: (199) [system] peek_char((0x563acd73bee0), n)
^  Call: (199) [user] is_delimiter(n)
   Call: (200) [system] char_type(n, space)
   Fail: (200) [system] char_type(n, space)
   Call: (200) [system] arg(_272940, v('(', ')', end_of_file), n)
   Fail: (200) [system] arg(_273872, v('(', ')', end_of_file), n)
^  Fail: (199) [user] is_delimiter(n)
   Call: (199) [system] ')'==n
   Fail: (199) [system] ')'==n
   Call: (199) [system] get_char((0x563acd73bee0), n)
   Exit: (199) [system] get_char((0x563acd73bee0), n)
   Call: (199) [system] n=(\)
   Fail: (199) [system] n=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _281222)
   Call: (200) [system] peek_char((0x563acd73bee0), _282156)
   Exit: (200) [system] peek_char((0x563acd73bee0), k)
^  Call: (200) [user] is_delimiter(k)
   Call: (201) [system] char_type(k, space)
   Fail: (201) [system] char_type(k, space)
   Call: (201) [system] arg(_286876, v('(', ')', end_of_file), k)
   Fail: (201) [system] arg(_287808, v('(', ')', end_of_file), k)
^  Fail: (200) [user] is_delimiter(k)
   Call: (200) [system] ')'==k
   Fail: (200) [system] ')'==k
   Call: (200) [system] get_char((0x563acd73bee0), k)
   Exit: (200) [system] get_char((0x563acd73bee0), k)
   Call: (200) [system] k=(\)
   Fail: (200) [system] k=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _295158)
   Call: (201) [system] peek_char((0x563acd73bee0), _296092)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (201) [user] is_delimiter(' ')
   Call: (202) [system] char_type(' ', space)
   Exit: (202) [system] char_type(' ', space)
^  Exit: (201) [user] is_delimiter(' ')
   Call: (201) [system] _295158=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (200) [system] _281222=[k]
   Exit: (200) [system] [k]=[k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (199) [system] _267286=[n, k]
   Exit: (199) [system] [n, k]=[n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (198) [system] _253350=[i, n, k]
   Exit: (198) [system] [i, n, k]=[i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (197) [system] _239414=['L', i, n, k]
   Exit: (197) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (196) [system] _225478=[r, 'L', i, n, k]
   Exit: (196) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (195) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _189968)
^  Call: (196) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _319346)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_320298, _320300), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _319346), _320280, fail)), '$restore_trace'(_320298, _320300))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_320298, _320300))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _319346), _320280, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(_319346)
   Fail: (197) [system] atomic(_319346)
   Call: (197) [system] atom_chars(_319346, ['O', r, 'L', i, n, k])
   Exit: (197) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (196) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (196) [system] integer('OrLink')
   Fail: (196) [system] integer('OrLink')
   Call: (196) [system] _189968='OrLink'
   Exit: (196) [system] 'OrLink'='OrLink'
^  Exit: (195) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (194) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (193) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _334296)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _336154)
   Exit: (195) [system] peek_char((0x563acd73bee0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x563acd73bee0), _345748)
   Exit: (195) [system] get_char((0x563acd73bee0), ' ')
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _348452)
   Exit: (196) [system] peek_char((0x563acd73bee0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _365386)
   Exit: (194) [system] peek_char((0x563acd73bee0), $)
   Call: (194) [system] ($)=')'
   Fail: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x563acd73bee0), _370956)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _372814)
   Exit: (196) [system] peek_char((0x563acd73bee0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] get_char((0x563acd73bee0), _388824)
   Exit: (195) [system] get_char((0x563acd73bee0), $)
   Call: (195) [system] ($)='('
   Fail: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Fail: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Fail: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Fail: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Fail: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Fail: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Fail: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x563acd73bee0), $, _370956)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _406466)
   Call: (197) [system] peek_char((0x563acd73bee0), _407400)
   Exit: (197) [system] peek_char((0x563acd73bee0), p)
^  Call: (197) [user] is_delimiter(p)
   Call: (198) [system] char_type(p, space)
   Fail: (198) [system] char_type(p, space)
   Call: (198) [system] arg(_412120, v('(', ')', end_of_file), p)
   Fail: (198) [system] arg(_413052, v('(', ')', end_of_file), p)
^  Fail: (197) [user] is_delimiter(p)
   Call: (197) [system] ')'==p
   Fail: (197) [system] ')'==p
   Call: (197) [system] get_char((0x563acd73bee0), p)
   Exit: (197) [system] get_char((0x563acd73bee0), p)
   Call: (197) [system] p=(\)
   Fail: (197) [system] p=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _420402)
   Call: (198) [system] peek_char((0x563acd73bee0), _421336)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _420402=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (197) [system] _406466=[p]
   Exit: (197) [system] [p]=[p]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [p])
^  Call: (196) [user] classify_and_convert_charseq([$, p], _370956)
^  Call: (197) [user] classify_and_convert_charseq_([$, p], _433414)
   Call: (198) [system] atom_chars(_434346, ['_', p])
   Exit: (198) [system] atom_chars('_p', ['_', p])
^  Exit: (197) [user] classify_and_convert_charseq_([$, p], _p)
   Call: (197) [system] integer(_p)
   Fail: (197) [system] integer(_p)
   Call: (197) [system] _370956=_p
   Exit: (197) [system] _p=_p
^  Exit: (196) [user] classify_and_convert_charseq([$, p], _p)
^  Exit: (195) [user] read_symbolic(')', (0x563acd73bee0), $, _p)
^  Exit: (194) [user] cont_sexpr(')', (0x563acd73bee0), _p)
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _443638)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _445496)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x563acd73bee0), _455090)
   Exit: (196) [system] get_char((0x563acd73bee0), ' ')
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _457794)
   Exit: (197) [system] peek_char((0x563acd73bee0), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
   Call: (197) [system] ($)=(/)
   Fail: (197) [system] ($)=(/)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _474728)
   Exit: (195) [system] peek_char((0x563acd73bee0), $)
   Call: (195) [system] ($)=')'
   Fail: (195) [system] ($)=')'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x563acd73bee0), _480298)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _482156)
   Exit: (197) [system] peek_char((0x563acd73bee0), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
   Call: (197) [system] ($)=(/)
   Fail: (197) [system] ($)=(/)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] get_char((0x563acd73bee0), _498166)
   Exit: (196) [system] get_char((0x563acd73bee0), $)
   Call: (196) [system] ($)='('
   Fail: (196) [system] ($)='('
   Call: (196) [system] ($)='['
   Fail: (196) [system] ($)='['
   Call: (196) [system] ($)='{'
   Fail: (196) [system] ($)='{'
   Call: (196) [system] ($)='"'
   Fail: (196) [system] ($)='"'
   Call: (196) [system] ($)=!
   Fail: (196) [system] ($)=!
   Call: (196) [system] ($)='\''
   Fail: (196) [system] ($)='\''
   Call: (196) [system] ($)='`'
   Fail: (196) [system] ($)='`'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x563acd73bee0), $, _480298)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _515808)
   Call: (198) [system] peek_char((0x563acd73bee0), _516742)
   Exit: (198) [system] peek_char((0x563acd73bee0), q)
^  Call: (198) [user] is_delimiter(q)
   Call: (199) [system] char_type(q, space)
   Fail: (199) [system] char_type(q, space)
   Call: (199) [system] arg(_521462, v('(', ')', end_of_file), q)
   Fail: (199) [system] arg(_522394, v('(', ')', end_of_file), q)
^  Fail: (198) [user] is_delimiter(q)
   Call: (198) [system] ')'==q
   Fail: (198) [system] ')'==q
   Call: (198) [system] get_char((0x563acd73bee0), q)
   Exit: (198) [system] get_char((0x563acd73bee0), q)
   Call: (198) [system] q=(\)
   Fail: (198) [system] q=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _529744)
   Call: (199) [system] peek_char((0x563acd73bee0), _530678)
   Exit: (199) [system] peek_char((0x563acd73bee0), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_535398, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _529744=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (198) [system] _515808=[q]
   Exit: (198) [system] [q]=[q]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [q])
^  Call: (197) [user] classify_and_convert_charseq([$, q], _480298)
^  Call: (198) [user] classify_and_convert_charseq_([$, q], _544628)
   Call: (199) [system] atom_chars(_545560, ['_', q])
   Exit: (199) [system] atom_chars('_q', ['_', q])
^  Exit: (198) [user] classify_and_convert_charseq_([$, q], _q)
   Call: (198) [system] integer(_q)
   Fail: (198) [system] integer(_q)
   Call: (198) [system] _480298=_q
   Exit: (198) [system] _q=_q
^  Exit: (197) [user] classify_and_convert_charseq([$, q], _q)
^  Exit: (196) [user] read_symbolic(')', (0x563acd73bee0), $, _q)
^  Exit: (195) [user] cont_sexpr(')', (0x563acd73bee0), _q)
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _554852)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _556710)
   Exit: (197) [system] peek_char((0x563acd73bee0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _572720)
   Exit: (196) [system] peek_char((0x563acd73bee0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x563acd73bee0), _576510)
   Exit: (196) [system] get_char((0x563acd73bee0), ')')
   Call: (196) [system] _554852=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), [])
   Call: (195) [system] _443638=[_q]
   Exit: (195) [system] [_q]=[_q]
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), [_q])
   Call: (194) [system] _334296=[_p, _q]
   Exit: (194) [system] [_p, _q]=[_p, _q]
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), [_p, _q])
   Call: (193) [system] _144950=['OrLink', _p, _q]
   Exit: (193) [system] ['OrLink', _p, _q]=['OrLink', _p, _q]
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), ['OrLink', _p, _q])
^  Exit: (191) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', _p, _q])
^  Call: (191) [user] read_list(')', (0x563acd73bee0), _590392)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _592250)
   Exit: (193) [system] peek_char((0x563acd73bee0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x563acd73bee0), _601844)
   Exit: (193) [system] get_char((0x563acd73bee0), ' ')
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _604548)
   Exit: (194) [system] peek_char((0x563acd73bee0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _621482)
   Exit: (192) [system] peek_char((0x563acd73bee0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x563acd73bee0), _627052)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _628910)
   Exit: (194) [system] peek_char((0x563acd73bee0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] get_char((0x563acd73bee0), _644920)
   Exit: (193) [system] get_char((0x563acd73bee0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _627052)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _650490)
   Exit: (195) [system] peek_char((0x563acd73bee0), 'N')
   Call: (195) [system] 'N'=(;)
   Fail: (195) [system] 'N'=(;)
   Call: (195) [system] 'N'=(/)
   Fail: (195) [system] 'N'=(/)
^  Call: (195) [user] is_like_space('N')
   Call: (196) [system] char_type('N', 'white')
   Fail: (196) [system] char_type('N', 'white')
   Call: (196) [system] char_type('N', end_of_line)
   Fail: (196) [system] char_type('N', end_of_line)
   Call: (196) [system] char_type('N', space)
   Fail: (196) [system] char_type('N', space)
   Call: (196) [system] char_type('N', cntrl)
   Fail: (196) [system] char_type('N', cntrl)
^  Fail: (195) [user] is_like_space('N')
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _666500)
   Exit: (194) [system] peek_char((0x563acd73bee0), 'N')
   Call: (194) [system] 'N'=')'
   Fail: (194) [system] 'N'=')'
   Call: (194) [system] 'N'=end_of_file
   Fail: (194) [system] 'N'=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x563acd73bee0), _672070)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _673928)
   Exit: (196) [system] peek_char((0x563acd73bee0), 'N')
   Call: (196) [system] 'N'=(;)
   Fail: (196) [system] 'N'=(;)
   Call: (196) [system] 'N'=(/)
   Fail: (196) [system] 'N'=(/)
^  Call: (196) [user] is_like_space('N')
   Call: (197) [system] char_type('N', 'white')
   Fail: (197) [system] char_type('N', 'white')
   Call: (197) [system] char_type('N', end_of_line)
   Fail: (197) [system] char_type('N', end_of_line)
   Call: (197) [system] char_type('N', space)
   Fail: (197) [system] char_type('N', space)
   Call: (197) [system] char_type('N', cntrl)
   Fail: (197) [system] char_type('N', cntrl)
^  Fail: (196) [user] is_like_space('N')
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] get_char((0x563acd73bee0), _689938)
   Exit: (195) [system] get_char((0x563acd73bee0), 'N')
   Call: (195) [system] 'N'='('
   Fail: (195) [system] 'N'='('
   Call: (195) [system] 'N'='['
   Fail: (195) [system] 'N'='['
   Call: (195) [system] 'N'='{'
   Fail: (195) [system] 'N'='{'
   Call: (195) [system] 'N'='"'
   Fail: (195) [system] 'N'='"'
   Call: (195) [system] 'N'=!
   Fail: (195) [system] 'N'=!
   Call: (195) [system] 'N'='\''
   Fail: (195) [system] 'N'='\''
   Call: (195) [system] 'N'='`'
   Fail: (195) [system] 'N'='`'
   Call: (195) [system] 'N'=end_of_file
   Fail: (195) [system] 'N'=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x563acd73bee0), 'N', _672070)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _707580)
   Call: (197) [system] peek_char((0x563acd73bee0), _708514)
   Exit: (197) [system] peek_char((0x563acd73bee0), o)
^  Call: (197) [user] is_delimiter(o)
   Call: (198) [system] char_type(o, space)
   Fail: (198) [system] char_type(o, space)
   Call: (198) [system] arg(_713234, v('(', ')', end_of_file), o)
   Fail: (198) [system] arg(_714166, v('(', ')', end_of_file), o)
^  Fail: (197) [user] is_delimiter(o)
   Call: (197) [system] ')'==o
   Fail: (197) [system] ')'==o
   Call: (197) [system] get_char((0x563acd73bee0), o)
   Exit: (197) [system] get_char((0x563acd73bee0), o)
   Call: (197) [system] o=(\)
   Fail: (197) [system] o=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _721516)
   Call: (198) [system] peek_char((0x563acd73bee0), _722450)
   Exit: (198) [system] peek_char((0x563acd73bee0), t)
^  Call: (198) [user] is_delimiter(t)
   Call: (199) [system] char_type(t, space)
   Fail: (199) [system] char_type(t, space)
   Call: (199) [system] arg(_727170, v('(', ')', end_of_file), t)
   Fail: (199) [system] arg(_728102, v('(', ')', end_of_file), t)
^  Fail: (198) [user] is_delimiter(t)
   Call: (198) [system] ')'==t
   Fail: (198) [system] ')'==t
   Call: (198) [system] get_char((0x563acd73bee0), t)
   Exit: (198) [system] get_char((0x563acd73bee0), t)
   Call: (198) [system] t=(\)
   Fail: (198) [system] t=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _735452)
   Call: (199) [system] peek_char((0x563acd73bee0), _736386)
   Exit: (199) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (199) [user] is_delimiter('L')
   Call: (200) [system] char_type('L', space)
   Fail: (200) [system] char_type('L', space)
   Call: (200) [system] arg(_741106, v('(', ')', end_of_file), 'L')
   Fail: (200) [system] arg(_742038, v('(', ')', end_of_file), 'L')
^  Fail: (199) [user] is_delimiter('L')
   Call: (199) [system] ')'=='L'
   Fail: (199) [system] ')'=='L'
   Call: (199) [system] get_char((0x563acd73bee0), 'L')
   Exit: (199) [system] get_char((0x563acd73bee0), 'L')
   Call: (199) [system] 'L'=(\)
   Fail: (199) [system] 'L'=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _749388)
   Call: (200) [system] peek_char((0x563acd73bee0), _750322)
   Exit: (200) [system] peek_char((0x563acd73bee0), i)
^  Call: (200) [user] is_delimiter(i)
   Call: (201) [system] char_type(i, space)
   Fail: (201) [system] char_type(i, space)
   Call: (201) [system] arg(_755042, v('(', ')', end_of_file), i)
   Fail: (201) [system] arg(_755974, v('(', ')', end_of_file), i)
^  Fail: (200) [user] is_delimiter(i)
   Call: (200) [system] ')'==i
   Fail: (200) [system] ')'==i
   Call: (200) [system] get_char((0x563acd73bee0), i)
   Exit: (200) [system] get_char((0x563acd73bee0), i)
   Call: (200) [system] i=(\)
   Fail: (200) [system] i=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _763324)
   Call: (201) [system] peek_char((0x563acd73bee0), _764258)
   Exit: (201) [system] peek_char((0x563acd73bee0), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_768978, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_769910, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x563acd73bee0), n)
   Exit: (201) [system] get_char((0x563acd73bee0), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _777260)
   Call: (202) [system] peek_char((0x563acd73bee0), _778194)
   Exit: (202) [system] peek_char((0x563acd73bee0), k)
^  Call: (202) [user] is_delimiter(k)
   Call: (203) [system] char_type(k, space)
   Fail: (203) [system] char_type(k, space)
   Call: (203) [system] arg(_782914, v('(', ')', end_of_file), k)
   Fail: (203) [system] arg(_783846, v('(', ')', end_of_file), k)
^  Fail: (202) [user] is_delimiter(k)
   Call: (202) [system] ')'==k
   Fail: (202) [system] ')'==k
   Call: (202) [system] get_char((0x563acd73bee0), k)
   Exit: (202) [system] get_char((0x563acd73bee0), k)
   Call: (202) [system] k=(\)
   Fail: (202) [system] k=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _791196)
   Call: (203) [system] peek_char((0x563acd73bee0), _792130)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _791196=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (202) [system] _777260=[k]
   Exit: (202) [system] [k]=[k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (201) [system] _763324=[n, k]
   Exit: (201) [system] [n, k]=[n, k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (200) [system] _749388=[i, n, k]
   Exit: (200) [system] [i, n, k]=[i, n, k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (199) [system] _735452=['L', i, n, k]
   Exit: (199) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (198) [system] _721516=[t, 'L', i, n, k]
   Exit: (198) [system] [t, 'L', i, n, k]=[t, 'L', i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, 'L', i, n, k])
   Call: (197) [system] _707580=[o, t, 'L', i, n, k]
   Exit: (197) [system] [o, t, 'L', i, n, k]=[o, t, 'L', i, n, k]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, t, 'L', i, n, k])
^  Call: (196) [user] classify_and_convert_charseq(['N', o, t, 'L', i, n, k], _672070)
^  Call: (197) [user] classify_and_convert_charseq_(['N', o, t, 'L', i, n, k], _818178)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_819130, _819132), once(user:catch(read_from_chars(['N', o, t, 'L', i, n, k], _818178), _819112, fail)), '$restore_trace'(_819130, _819132))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_819130, _819132))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['N', o, t, 'L', i, n, k], _818178), _819112, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(_818178)
   Fail: (198) [system] atomic(_818178)
   Call: (198) [system] atom_chars(_818178, ['N', o, t, 'L', i, n, k])
   Exit: (198) [system] atom_chars('NotLink', ['N', o, t, 'L', i, n, k])
^  Exit: (197) [user] classify_and_convert_charseq_(['N', o, t, 'L', i, n, k], 'NotLink')
   Call: (197) [system] integer('NotLink')
   Fail: (197) [system] integer('NotLink')
   Call: (197) [system] _672070='NotLink'
   Exit: (197) [system] 'NotLink'='NotLink'
^  Exit: (196) [user] classify_and_convert_charseq(['N', o, t, 'L', i, n, k], 'NotLink')
^  Exit: (195) [user] read_symbolic(')', (0x563acd73bee0), 'N', 'NotLink')
^  Exit: (194) [user] cont_sexpr(')', (0x563acd73bee0), 'NotLink')
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _833128)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _834986)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x563acd73bee0), _844580)
   Exit: (196) [system] get_char((0x563acd73bee0), ' ')
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _847284)
   Exit: (197) [system] peek_char((0x563acd73bee0), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
   Call: (197) [system] ($)=(/)
   Fail: (197) [system] ($)=(/)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _864218)
   Exit: (195) [system] peek_char((0x563acd73bee0), $)
   Call: (195) [system] ($)=')'
   Fail: (195) [system] ($)=')'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x563acd73bee0), _869788)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _871646)
   Exit: (197) [system] peek_char((0x563acd73bee0), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
   Call: (197) [system] ($)=(/)
   Fail: (197) [system] ($)=(/)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] get_char((0x563acd73bee0), _887656)
   Exit: (196) [system] get_char((0x563acd73bee0), $)
   Call: (196) [system] ($)='('
   Fail: (196) [system] ($)='('
   Call: (196) [system] ($)='['
   Fail: (196) [system] ($)='['
   Call: (196) [system] ($)='{'
   Fail: (196) [system] ($)='{'
   Call: (196) [system] ($)='"'
   Fail: (196) [system] ($)='"'
   Call: (196) [system] ($)=!
   Fail: (196) [system] ($)=!
   Call: (196) [system] ($)='\''
   Fail: (196) [system] ($)='\''
   Call: (196) [system] ($)='`'
   Fail: (196) [system] ($)='`'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x563acd73bee0), $, _869788)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _905298)
   Call: (198) [system] peek_char((0x563acd73bee0), _906232)
   Exit: (198) [system] peek_char((0x563acd73bee0), p)
^  Call: (198) [user] is_delimiter(p)
   Call: (199) [system] char_type(p, space)
   Fail: (199) [system] char_type(p, space)
   Call: (199) [system] arg(_910952, v('(', ')', end_of_file), p)
   Fail: (199) [system] arg(_911884, v('(', ')', end_of_file), p)
^  Fail: (198) [user] is_delimiter(p)
   Call: (198) [system] ')'==p
   Fail: (198) [system] ')'==p
   Call: (198) [system] get_char((0x563acd73bee0), p)
   Exit: (198) [system] get_char((0x563acd73bee0), p)
   Call: (198) [system] p=(\)
   Fail: (198) [system] p=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _919234)
   Call: (199) [system] peek_char((0x563acd73bee0), _920168)
   Exit: (199) [system] peek_char((0x563acd73bee0), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_924888, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _919234=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (198) [system] _905298=[p]
   Exit: (198) [system] [p]=[p]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [p])
^  Call: (197) [user] classify_and_convert_charseq([$, p], _869788)
^  Call: (198) [user] classify_and_convert_charseq_([$, p], _934118)
   Call: (199) [system] atom_chars(_935050, ['_', p])
   Exit: (199) [system] atom_chars('_p', ['_', p])
^  Exit: (198) [user] classify_and_convert_charseq_([$, p], _p)
   Call: (198) [system] integer(_p)
   Fail: (198) [system] integer(_p)
   Call: (198) [system] _869788=_p
   Exit: (198) [system] _p=_p
^  Exit: (197) [user] classify_and_convert_charseq([$, p], _p)
^  Exit: (196) [user] read_symbolic(')', (0x563acd73bee0), $, _p)
^  Exit: (195) [user] cont_sexpr(')', (0x563acd73bee0), _p)
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _944342)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _946200)
   Exit: (197) [system] peek_char((0x563acd73bee0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _962210)
   Exit: (196) [system] peek_char((0x563acd73bee0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x563acd73bee0), _966000)
   Exit: (196) [system] get_char((0x563acd73bee0), ')')
   Call: (196) [system] _944342=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), [])
   Call: (195) [system] _833128=[_p]
   Exit: (195) [system] [_p]=[_p]
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), [_p])
   Call: (194) [system] _627052=['NotLink', _p]
   Exit: (194) [system] ['NotLink', _p]=['NotLink', _p]
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), ['NotLink', _p])
^  Exit: (192) [user] cont_sexpr(')', (0x563acd73bee0), ['NotLink', _p])
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _977088)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _978946)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x563acd73bee0), _988540)
   Exit: (194) [system] get_char((0x563acd73bee0), ' ')
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _991244)
   Exit: (195) [system] peek_char((0x563acd73bee0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1008178)
   Exit: (193) [system] peek_char((0x563acd73bee0), $)
   Call: (193) [system] ($)=')'
   Fail: (193) [system] ($)=')'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x563acd73bee0), _1013748)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1015606)
   Exit: (195) [system] peek_char((0x563acd73bee0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] get_char((0x563acd73bee0), _1031616)
   Exit: (194) [system] get_char((0x563acd73bee0), $)
   Call: (194) [system] ($)='('
   Fail: (194) [system] ($)='('
   Call: (194) [system] ($)='['
   Fail: (194) [system] ($)='['
   Call: (194) [system] ($)='{'
   Fail: (194) [system] ($)='{'
   Call: (194) [system] ($)='"'
   Fail: (194) [system] ($)='"'
   Call: (194) [system] ($)=!
   Fail: (194) [system] ($)=!
   Call: (194) [system] ($)='\''
   Fail: (194) [system] ($)='\''
   Call: (194) [system] ($)='`'
   Fail: (194) [system] ($)='`'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x563acd73bee0), $, _1013748)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _1049258)
   Call: (196) [system] peek_char((0x563acd73bee0), _1050192)
   Exit: (196) [system] peek_char((0x563acd73bee0), q)
^  Call: (196) [user] is_delimiter(q)
   Call: (197) [system] char_type(q, space)
   Fail: (197) [system] char_type(q, space)
   Call: (197) [system] arg(_1054912, v('(', ')', end_of_file), q)
   Fail: (197) [system] arg(_1055844, v('(', ')', end_of_file), q)
^  Fail: (196) [user] is_delimiter(q)
   Call: (196) [system] ')'==q
   Fail: (196) [system] ')'==q
   Call: (196) [system] get_char((0x563acd73bee0), q)
   Exit: (196) [system] get_char((0x563acd73bee0), q)
   Call: (196) [system] q=(\)
   Fail: (196) [system] q=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _1063194)
   Call: (197) [system] peek_char((0x563acd73bee0), _1064128)
   Exit: (197) [system] peek_char((0x563acd73bee0), ')')
^  Call: (197) [user] is_delimiter(')')
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] arg(_1068848, v('(', ')', end_of_file), ')')
   Exit: (198) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (197) [user] is_delimiter(')')
   Call: (197) [system] _1063194=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (196) [system] _1049258=[q]
   Exit: (196) [system] [q]=[q]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [q])
^  Call: (195) [user] classify_and_convert_charseq([$, q], _1013748)
^  Call: (196) [user] classify_and_convert_charseq_([$, q], _1078078)
   Call: (197) [system] atom_chars(_1079010, ['_', q])
   Exit: (197) [system] atom_chars('_q', ['_', q])
^  Exit: (196) [user] classify_and_convert_charseq_([$, q], _q)
   Call: (196) [system] integer(_q)
   Fail: (196) [system] integer(_q)
   Call: (196) [system] _1013748=_q
   Exit: (196) [system] _q=_q
^  Exit: (195) [user] classify_and_convert_charseq([$, q], _q)
^  Exit: (194) [user] read_symbolic(')', (0x563acd73bee0), $, _q)
^  Exit: (193) [user] cont_sexpr(')', (0x563acd73bee0), _q)
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _1088302)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1090160)
   Exit: (195) [system] peek_char((0x563acd73bee0), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
   Call: (195) [system] ')'=(/)
   Fail: (195) [system] ')'=(/)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1106170)
   Exit: (194) [system] peek_char((0x563acd73bee0), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x563acd73bee0), _1109960)
   Exit: (194) [system] get_char((0x563acd73bee0), ')')
   Call: (194) [system] _1088302=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), [])
   Call: (193) [system] _977088=[_q]
   Exit: (193) [system] [_q]=[_q]
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), [_q])
   Call: (192) [system] _590392=[['NotLink', _p], _q]
   Exit: (192) [system] [['NotLink', _p], _q]=[['NotLink', _p], _q]
^  Exit: (191) [user] read_list(')', (0x563acd73bee0), [['NotLink', _p], _q])
   Call: (191) [system] _108290=[['OrLink', _p, _q], ['NotLink', _p], _q]
   Exit: (191) [system] [['OrLink', _p, _q], ['NotLink', _p], _q]=[['OrLink', _p, _q], ['NotLink', _p], _q]
^  Exit: (190) [user] read_list(')', (0x563acd73bee0), [['OrLink', _p, _q], ['NotLink', _p], _q])
   Call: (190) [system] _3396=[->, ['OrLink', _p, _q], ['NotLink', _p], _q]
   Exit: (190) [system] [->, ['OrLink', _p, _q], ['NotLink', _p], _q]=[->, ['OrLink', _p, _q], ['NotLink', _p], _q]
^  Exit: (189) [user] read_list(')', (0x563acd73bee0), [->, ['OrLink', _p, _q], ['NotLink', _p], _q])
^  Exit: (188) [user] cont_sexpr(')', (0x563acd73bee0), [->, ['OrLink', _p, _q], ['NotLink', _p], _q])
^  Call: (188) [user] read_list(')', (0x563acd73bee0), _1126636)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1128494)
   Exit: (190) [system] peek_char((0x563acd73bee0), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
   Call: (190) [system] ')'=(/)
   Fail: (190) [system] ')'=(/)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1144504)
   Exit: (189) [system] peek_char((0x563acd73bee0), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x563acd73bee0), _1148294)
   Exit: (189) [system] get_char((0x563acd73bee0), ')')
   Call: (189) [system] _1126636=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x563acd73bee0), [])
   Call: (188) [system] _3392=[[->, ['OrLink', _p, _q], ['NotLink', _p], _q]]
   Exit: (188) [system] [[->, ['OrLink', _p, _q], ['NotLink', _p], _q]]=[[->, ['OrLink', _p, _q], ['NotLink', _p], _q]]
^  Exit: (187) [user] read_list(')', (0x563acd73bee0), [[->, ['OrLink', _p, _q], ['NotLink', _p], _q]])
   Call: (187) [system] _3386=['DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]
   Exit: (187) [system] ['DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]=['DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]
^  Exit: (186) [user] read_list(')', (0x563acd73bee0), ['DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]])
   Call: (186) [system] _3378=[:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]
   Exit: (186) [system] [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]=[:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]
^  Exit: (185) [user] read_list(')', (0x563acd73bee0), [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]])
^  Exit: (184) [user] cont_sexpr(')', (0x563acd73bee0), [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]])
^  Call: (184) [user] read_list(')', (0x563acd73bee0), _1162176)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1164034)
   Exit: (186) [system] peek_char((0x563acd73bee0), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
   Call: (186) [system] ')'=(/)
   Fail: (186) [system] ')'=(/)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _1180044)
   Exit: (185) [system] peek_char((0x563acd73bee0), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x563acd73bee0), _1183834)
   Exit: (185) [system] get_char((0x563acd73bee0), ')')
   Call: (185) [system] _1162176=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x563acd73bee0), [])
   Call: (184) [system] _3374=[[:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]]
   Exit: (184) [system] [[:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]]=[[:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]]
^  Exit: (183) [user] read_list(')', (0x563acd73bee0), [[:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]])
   Call: (183) [system] _3362=[[rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]]
   Exit: (183) [system] [[rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]]=[[rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]]
^  Exit: (182) [user] read_list(')', (0x563acd73bee0), [[rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]])
   Call: (182) [system] _3322=[=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]]
   Exit: (182) [system] [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]]=[=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]]
^  Exit: (181) [user] read_list(')', (0x563acd73bee0), [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]])
^  Exit: (180) [user] cont_sexpr(')', (0x563acd73bee0), [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]])
^  Exit: (179) [user] read_sexpr((0x563acd73bee0), [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]])
^  Call: (179) [user] assertz(metta_file_comment(111, 0, 4436, [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]], '$stream_position'(4436, 111, 0, 4436)))
^  Exit: (179) [user] assertz(metta_file_comment(111, 0, 4436, [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]], '$stream_position'(4436, 111, 0, 4436)))
^  Exit: (177) [system] once(user:(read_position((0x563acd73bee0), 111, 0, 4436, '$stream_position'(4436, 111, 0, 4436)), read_sexpr((0x563acd73bee0), [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]]), assertz(metta_file_comment(111, 0, 4436, [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]], '$stream_position'(4436, 111, 0, 4436)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_1202352, _1202354, _1202356, _1202358, _1202360))
^  Exit: (177) [user] retract(metta_file_comment(53, 0, 1693, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], '$stream_position'(1693, 53, 0, 1693)))
^  Call: (177) [user] trly(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _3084)
^  Call: (178) [user] once(call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1205520))
^  Call: (179) [user] call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1205520)
^  Call: (180) [user] untyped_to_metta([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1205520)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1208336))
^  Call: (182) [user] once(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1208336))
^  Call: (183) [user] trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1208336)
^  Call: (184) [user] once(call(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1211136))
^  Call: (185) [user] call(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1211136)
^  Call: (186) [user] mfix_vars1([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1211136)
   Call: (187) [system] var([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
   Call: (187) [system] atom([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
   Call: (187) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]==true
   Call: (187) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]==false
   Call: (187) [system] (=)=='['
   Call: (187) [system] (=)=='{'
   Call: (187) [system] is_list([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
   Exit: (187) [system] is_list([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
   Call: (187) [lists] lists:last([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1221358)
   Call: (188) [lists] lists:last_([['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [synthesize, _query, _kb, _rb, ['S', _k]], _1221358)
   Call: (189) [lists] lists:last_([], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query], _1221358)
   Exit: (189) [lists] lists:last_([], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query])
   Exit: (188) [lists] lists:last_([['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query])
   Exit: (187) [lists] lists:last([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query])
   Call: (187) [system] ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]=='}'
   Call: (187) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]==[_1227874, _1227880]
   Call: (187) [system] fail
   Call: (187) [system] is_list([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
   Exit: (187) [system] is_list([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Call: (187) [user] apply:maplist(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1211136)
   Call: (188) [apply] apply:maplist_([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1211136, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(=, _1233454)
   Call: (190) [system] var(=)
   Call: (190) [system] atom(=)
   Exit: (190) [system] atom(=)
^  Call: (190) [user] symbol_concat($, _1237162, =)
   Call: (191) [system] atom_concat($, _1237162, =)
   Fail: (191) [system] atom_concat($, _1237162, =)
^  Fail: (190) [user] symbol_concat($, _1237162, =)
   Call: (190) [system] (=)==true
   Call: (190) [system] (=)==false
   Call: (190) [system] (=)==[_1242750, _1242756]
   Call: (190) [system] is_list(=)
   Call: (190) [system] string(=)
   Call: (190) [system] compound(=)
^  Call: (190) [user] symbol(=)
   Call: (191) [system] atom(=)
   Exit: (191) [system] atom(=)
^  Exit: (190) [user] symbol(=)
^  Exit: (189) [user] mfix_vars1(=, =)
   Call: (189) [apply] apply:maplist_([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1233456, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1([synthesize, _query, _kb, _rb, ['S', _k]], _1252018)
   Call: (191) [system] var([synthesize, _query, _kb, _rb, ['S', _k]])
   Call: (191) [system] atom([synthesize, _query, _kb, _rb, ['S', _k]])
   Call: (191) [system] [synthesize, _query, _kb, _rb, ['S', _k]]==true
   Call: (191) [system] [synthesize, _query, _kb, _rb, ['S', _k]]==false
   Call: (191) [system] synthesize=='['
   Call: (191) [system] synthesize=='{'
   Call: (191) [system] is_list([_query, _kb, _rb, ['S', _k]])
   Exit: (191) [system] is_list([_query, _kb, _rb, ['S', _k]])
   Call: (191) [lists] lists:last([_query, _kb, _rb, ['S', _k]], _1260362)
   Call: (192) [lists] lists:last_([_kb, _rb, ['S', _k]], _query, _1260362)
   Call: (193) [lists] lists:last_([_rb, ['S', _k]], _kb, _1260362)
   Call: (194) [lists] lists:last_([['S', _k]], _rb, _1260362)
   Call: (195) [lists] lists:last_([], ['S', _k], _1260362)
   Exit: (195) [lists] lists:last_([], ['S', _k], ['S', _k])
   Exit: (194) [lists] lists:last_([['S', _k]], _rb, ['S', _k])
   Exit: (193) [lists] lists:last_([_rb, ['S', _k]], _kb, ['S', _k])
   Exit: (192) [lists] lists:last_([_kb, _rb, ['S', _k]], _query, ['S', _k])
   Exit: (191) [lists] lists:last([_query, _kb, _rb, ['S', _k]], ['S', _k])
   Call: (191) [system] ['S', _k]=='}'
   Call: (191) [system] [synthesize, _query, _kb, _rb, ['S', _k]]==[_1270606, _1270612]
   Call: (191) [system] fail
   Call: (191) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
   Exit: (191) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
^  Call: (191) [user] apply:maplist(mfix_vars1, [synthesize, _query, _kb, _rb, ['S', _k]], _1252018)
   Call: (192) [apply] apply:maplist_([synthesize, _query, _kb, _rb, ['S', _k]], _1252018, user:mfix_vars1)
^  Call: (193) [user] mfix_vars1(synthesize, _1276186)
   Call: (194) [system] var(synthesize)
   Call: (194) [system] atom(synthesize)
   Exit: (194) [system] atom(synthesize)
^  Call: (194) [user] symbol_concat($, _1279894, synthesize)
   Call: (195) [system] atom_concat($, _1279894, synthesize)
   Fail: (195) [system] atom_concat($, _1279894, synthesize)
^  Fail: (194) [user] symbol_concat($, _1279894, synthesize)
   Call: (194) [system] synthesize==true
   Call: (194) [system] synthesize==false
   Call: (194) [system] synthesize==[_1285482, _1285488]
   Call: (194) [system] is_list(synthesize)
   Call: (194) [system] string(synthesize)
   Call: (194) [system] compound(synthesize)
^  Call: (194) [user] symbol(synthesize)
   Call: (195) [system] atom(synthesize)
   Exit: (195) [system] atom(synthesize)
^  Exit: (194) [user] symbol(synthesize)
^  Exit: (193) [user] mfix_vars1(synthesize, synthesize)
   Call: (193) [apply] apply:maplist_([_query, _kb, _rb, ['S', _k]], _1276188, user:mfix_vars1)
^  Call: (194) [user] mfix_vars1(_query, _1294750)
   Call: (195) [system] var(_query)
   Call: (195) [system] atom(_query)
   Call: (195) [system] _query==true
   Call: (195) [system] _query==false
   Call: (195) [system] _query==[_1299392, _1299398]
   Call: (195) [system] is_list(_query)
   Call: (195) [system] string(_query)
   Call: (195) [system] compound(_query)
   Exit: (195) [system] compound(_query)
   Call: (195) [system] compound_name_arguments(_query, _1304026, _1304028)
   Exit: (195) [system] compound_name_arguments(_query, '$VAR', ['_query'])
   Call: (195) [system] '$VAR'\=='$VAR'
^  Exit: (183) [user] trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (182) [system] once(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1309620))
^  Call: (182) [user] once(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1309620))
^  Call: (183) [user] trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1309620)
^  Call: (184) [user] once(call(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1312420))
^  Call: (185) [user] call(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1312420)
^  Call: (186) [user] cons_to_c([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1312420)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (185) [system] call(user:cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (184) [system] once(user:call(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]))
   Call: (184) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]\=@=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]
^  Exit: (183) [user] trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (182) [system] once(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1205520))
^  Call: (182) [user] once(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1205520))
^  Call: (183) [user] trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1205520)
^  Call: (184) [user] once(call(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1326378))
^  Call: (185) [user] call(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1326378)
^  Call: (186) [user] cons_to_l([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1326378)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (185) [system] call(user:cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (184) [system] once(user:call(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]))
   Call: (184) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]\=@=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]
^  Exit: (183) [user] trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (182) [system] once(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]))
^  Exit: (180) [user] untyped_to_metta([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (179) [system] call(user:untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (178) [system] once(user:call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]))
   Call: (178) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]\=@=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]
^  Exit: (177) [user] trly(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (174) [user] parse_sexpr_metta_IO((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (171) [user] read_sform((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (170) [system] once(user:read_sform((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]))
   Call: (169) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]==end_of_file
   Fail: (169) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1727204596.0891678), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204596.0891678), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]), 110]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x563acd7397e0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], ynthesize_long_1727204587_629323, 110)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1727204596.0891678), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204596.0891678), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]), 110]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1727204598.1412082)
   Call: (173) [system] arg(1, t(1727204596.0891678), _3148)
   Exit: (173) [system] arg(1, t(1727204596.0891678), 1727204596.0891678)
   Call: (173) [system] _3158 is 1727204598.1412082-1727204596.0891678
   Exit: (173) [system] 2.0520403385162354 is 1727204598.1412082-1727204596.0891678
   Call: (173) [system] 2.0520403385162354>4
   Fail: (173) [system] 2.0520403385162354>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1727204596.0891678), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204596.0891678), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]), 110]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 19)
   Call: (175) [system] atom(19+1)
   Call: (175) [system] set_flag(translated_forms, 20)
   Exit: (175) [system] set_flag(translated_forms, 20)
   Exit: (174) [$syspreds] update_flag(translated_forms, 19, 19+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 19, 19+1))
   Exit: (171) [$syspreds] flag(translated_forms, 19, 19+1)
^  Call: (171) [user] write_metta_datalog_term((0x563acd7397e0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], ynthesize_long_1727204587_629323, 110)
^  Call: (172) [user] s2t_iz(ynthesize_long_1727204587_629323, _1377848, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1377850)
   Call: (173) [system] (=)==(:)
^  Call: (173) [user] s2tl([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1377850)
   Call: (174) [system] compound([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
   Exit: (174) [system] compound([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Call: (174) [user] s2t(=, _1382500)
   Call: (175) [system] compound(=)
   Call: (175) [system] (=)=_1382500
   Exit: (175) [system] (=)=(=)
^  Exit: (174) [user] s2t(=, =)
^  Call: (174) [user] s2tl([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1382502)
   Call: (175) [system] compound([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
   Exit: (175) [system] compound([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Call: (175) [user] s2t([synthesize, _query, _kb, _rb, ['S', _k]], _1389918)
   Call: (176) [system] compound([synthesize, _query, _kb, _rb, ['S', _k]])
   Exit: (176) [system] compound([synthesize, _query, _kb, _rb, ['S', _k]])
   Call: (176) [system] synthesize==(->)
   Call: (176) [system] synthesize=='Cons'
   Call: (176) [system] synthesize==(=)
   Call: (176) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
   Exit: (176) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
^  Call: (176) [user] apply:maplist(s2t, [synthesize, _query, _kb, _rb, ['S', _k]], _1397330)
   Call: (177) [apply] apply:maplist_([synthesize, _query, _kb, _rb, ['S', _k]], _1397330, user:s2t)
^  Call: (178) [user] s2t(synthesize, _1399210)
   Call: (179) [system] compound(synthesize)
   Call: (179) [system] synthesize=_1399210
   Exit: (179) [system] synthesize=synthesize
^  Exit: (178) [user] s2t(synthesize, synthesize)
   Call: (178) [apply] apply:maplist_([_query, _kb, _rb, ['S', _k]], _1399212, user:s2t)
^  Call: (179) [user] s2t(_query, _1404784)
   Call: (180) [system] compound(_query)
   Exit: (180) [system] compound(_query)
   Call: (180) [system] is_list(_query)
^  Call: (180) [user] s2tl(_query, _1404784)
   Call: (181) [system] compound(_query)
   Exit: (181) [system] compound(_query)
^  Exit: (180) [user] s2tl(_query, _query)
^  Exit: (179) [user] s2t(_query, _query)
   Call: (179) [apply] apply:maplist_([_kb, _rb, ['S', _k]], _1404786, user:s2t)
^  Call: (180) [user] s2t(_kb, _1414054)
   Call: (181) [system] compound(_kb)
   Exit: (181) [system] compound(_kb)
   Call: (181) [system] is_list(_kb)
^  Call: (181) [user] s2tl(_kb, _1414054)
   Call: (182) [system] compound(_kb)
   Exit: (182) [system] compound(_kb)
^  Exit: (181) [user] s2tl(_kb, _kb)
^  Exit: (180) [user] s2t(_kb, _kb)
   Call: (180) [apply] apply:maplist_([_rb, ['S', _k]], _1414056, user:s2t)
^  Call: (181) [user] s2t(_rb, _1423324)
   Call: (182) [system] compound(_rb)
   Exit: (182) [system] compound(_rb)
   Call: (182) [system] is_list(_rb)
^  Call: (182) [user] s2tl(_rb, _1423324)
   Call: (183) [system] compound(_rb)
   Exit: (183) [system] compound(_rb)
^  Exit: (182) [user] s2tl(_rb, _rb)
^  Exit: (181) [user] s2t(_rb, _rb)
   Call: (181) [apply] apply:maplist_([['S', _k]], _1423326, user:s2t)
^  Call: (182) [user] s2t(['S', _k], _1432594)
   Call: (183) [system] compound(['S', _k])
   Exit: (183) [system] compound(['S', _k])
   Call: (183) [system] 'S'==(->)
   Call: (183) [system] 'S'=='Cons'
   Call: (183) [system] 'S'==(=)
   Call: (183) [system] is_list(['S', _k])
   Exit: (183) [system] is_list(['S', _k])
^  Call: (183) [user] apply:maplist(s2t, ['S', _k], _1440006)
   Call: (184) [apply] apply:maplist_(['S', _k], _1440006, user:s2t)
^  Call: (185) [user] s2t('S', _1441886)
   Call: (186) [system] compound('S')
   Call: (186) [system] 'S'=_1441886
   Exit: (186) [system] 'S'='S'
^  Exit: (185) [user] s2t('S', 'S')
   Call: (185) [apply] apply:maplist_([_k], _1441888, user:s2t)
^  Call: (186) [user] s2t(_k, _1447460)
   Call: (187) [system] compound(_k)
   Exit: (187) [system] compound(_k)
   Call: (187) [system] is_list(_k)
^  Call: (187) [user] s2tl(_k, _1447460)
   Call: (188) [system] compound(_k)
   Exit: (188) [system] compound(_k)
^  Exit: (187) [user] s2tl(_k, _k)
^  Exit: (186) [user] s2t(_k, _k)
   Call: (186) [apply] apply:maplist_([], _1447462, user:s2t)
   Exit: (186) [apply] apply:maplist_([], [], user:s2t)
   Exit: (185) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (184) [apply] apply:maplist_(['S', _k], ['S', _k], user:s2t)
^  Exit: (183) [apply] apply:maplist(user:s2t, ['S', _k], ['S', _k])
   Call: (183) [system] compound_name_arguments(_1432594, t, ['S', _k])
   Exit: (183) [system] compound_name_arguments(t('S', _k), t, ['S', _k])
^  Exit: (182) [user] s2t(['S', _k], t('S', _k))
   Call: (182) [apply] apply:maplist_([], _1432596, user:s2t)
   Exit: (182) [apply] apply:maplist_([], [], user:s2t)
   Exit: (181) [apply] apply:maplist_([['S', _k]], [t('S', _k)], user:s2t)
   Exit: (180) [apply] apply:maplist_([_rb, ['S', _k]], [_rb, t('S', _k)], user:s2t)
   Exit: (179) [apply] apply:maplist_([_kb, _rb, ['S', _k]], [_kb, _rb, t('S', _k)], user:s2t)
   Exit: (178) [apply] apply:maplist_([_query, _kb, _rb, ['S', _k]], [_query, _kb, _rb, t('S', _k)], user:s2t)
   Exit: (177) [apply] apply:maplist_([synthesize, _query, _kb, _rb, ['S', _k]], [synthesize, _query, _kb, _rb, t('S', _k)], user:s2t)
^  Exit: (176) [apply] apply:maplist(user:s2t, [synthesize, _query, _kb, _rb, ['S', _k]], [synthesize, _query, _kb, _rb, t('S', _k)])
   Call: (176) [system] compound_name_arguments(_1389918, t, [synthesize, _query, _kb, _rb, t('S', _k)])
   Exit: (176) [system] compound_name_arguments(t(synthesize, _query, _kb, _rb, t('S', _k)), t, [synthesize, _query, _kb, _rb, t('S', _k)])
^  Exit: (175) [user] s2t([synthesize, _query, _kb, _rb, ['S', _k]], t(synthesize, _query, _kb, _rb, t('S', _k)))
^  Call: (175) [user] s2tl([['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1389920)
   Call: (176) [system] compound([['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
   Exit: (176) [system] compound([['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Call: (176) [user] s2t(['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query], _1476304)
   Call: (177) [system] compound(['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query])
   Exit: (177) [system] compound(['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query])
   Call: (177) [system] 'let*'==(->)
   Call: (177) [system] 'let*'=='Cons'
   Call: (177) [system] 'let*'==(=)
   Call: (177) [system] is_list(['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query])
   Exit: (177) [system] is_list(['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query])
^  Call: (177) [user] apply:maplist(s2t, ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query], _1483716)
   Call: (178) [apply] apply:maplist_(['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query], _1483716, user:s2t)
^  Call: (179) [user] s2t('let*', _1485596)
   Call: (180) [system] compound('let*')
   Call: (180) [system] 'let*'=_1485596
   Exit: (180) [system] 'let*'='let*'
^  Exit: (179) [user] s2t('let*', 'let*')
   Call: (179) [apply] apply:maplist_([[[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query], _1485598, user:s2t)
^  Call: (180) [user] s2t([[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _1491170)
   Call: (181) [system] compound([[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]])
   Exit: (181) [system] compound([[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]])
   Call: (181) [system] [[:, _ructor, [->, _premise, _conclusion]], [_rb]]==(->)
   Call: (181) [system] [[:, _ructor, [->, _premise, _conclusion]], [_rb]]=='Cons'
   Call: (181) [system] [[:, _ructor, [->, _premise, _conclusion]], [_rb]]==(=)
   Call: (181) [system] is_list([[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]])
   Exit: (181) [system] is_list([[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]])
^  Call: (181) [user] apply:maplist(s2t, [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _1498582)
   Call: (182) [apply] apply:maplist_([[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _1498582, user:s2t)
^  Call: (183) [user] s2t([[:, _ructor, [->, _premise, _conclusion]], [_rb]], _1500462)
   Call: (184) [system] compound([[:, _ructor, [->, _premise, _conclusion]], [_rb]])
   Exit: (184) [system] compound([[:, _ructor, [->, _premise, _conclusion]], [_rb]])
   Call: (184) [system] [:, _ructor, [->, _premise, _conclusion]]==(->)
   Call: (184) [system] [:, _ructor, [->, _premise, _conclusion]]=='Cons'
   Call: (184) [system] [:, _ructor, [->, _premise, _conclusion]]==(=)
   Call: (184) [system] is_list([[:, _ructor, [->, _premise, _conclusion]], [_rb]])
   Exit: (184) [system] is_list([[:, _ructor, [->, _premise, _conclusion]], [_rb]])
^  Call: (184) [user] apply:maplist(s2t, [[:, _ructor, [->, _premise, _conclusion]], [_rb]], _1507874)
   Call: (185) [apply] apply:maplist_([[:, _ructor, [->, _premise, _conclusion]], [_rb]], _1507874, user:s2t)
^  Call: (186) [user] s2t([:, _ructor, [->, _premise, _conclusion]], _1509754)
   Call: (187) [system] compound([:, _ructor, [->, _premise, _conclusion]])
   Exit: (187) [system] compound([:, _ructor, [->, _premise, _conclusion]])
   Call: (187) [system] (:)==(->)
   Call: (187) [system] (:)=='Cons'
   Call: (187) [system] (:)==(=)
   Call: (187) [system] is_list([:, _ructor, [->, _premise, _conclusion]])
   Exit: (187) [system] is_list([:, _ructor, [->, _premise, _conclusion]])
^  Call: (187) [user] apply:maplist(s2t, [:, _ructor, [->, _premise, _conclusion]], _1517166)
   Call: (188) [apply] apply:maplist_([:, _ructor, [->, _premise, _conclusion]], _1517166, user:s2t)
^  Call: (189) [user] s2t(:, _1519046)
   Call: (190) [system] compound(:)
   Call: (190) [system] (:)=_1519046
   Exit: (190) [system] (:)=(:)
^  Exit: (189) [user] s2t(:, :)
   Call: (189) [apply] apply:maplist_([_ructor, [->, _premise, _conclusion]], _1519048, user:s2t)
^  Call: (190) [user] s2t(_ructor, _1524620)
   Call: (191) [system] compound(_ructor)
   Exit: (191) [system] compound(_ructor)
   Call: (191) [system] is_list(_ructor)
^  Call: (191) [user] s2tl(_ructor, _1524620)
   Call: (192) [system] compound(_ructor)
   Exit: (192) [system] compound(_ructor)
^  Exit: (191) [user] s2tl(_ructor, _ructor)
^  Exit: (190) [user] s2t(_ructor, _ructor)
   Call: (190) [apply] apply:maplist_([[->, _premise, _conclusion]], _1524622, user:s2t)
^  Call: (191) [user] s2t([->, _premise, _conclusion], _1533890)
   Call: (192) [system] compound([->, _premise, _conclusion])
   Exit: (192) [system] compound([->, _premise, _conclusion])
   Call: (192) [system] (->)==(->)
   Exit: (192) [system] (->)==(->)
^  Call: (192) [user] s2tl([_premise, _conclusion], _1538526)
   Call: (193) [system] compound([_premise, _conclusion])
   Exit: (193) [system] compound([_premise, _conclusion])
^  Call: (193) [user] s2t(_premise, _1541306)
   Call: (194) [system] compound(_premise)
   Exit: (194) [system] compound(_premise)
   Call: (194) [system] is_list(_premise)
^  Call: (194) [user] s2tl(_premise, _1541306)
   Call: (195) [system] compound(_premise)
   Exit: (195) [system] compound(_premise)
^  Exit: (194) [user] s2tl(_premise, _premise)
^  Exit: (193) [user] s2t(_premise, _premise)
^  Call: (193) [user] s2tl([_conclusion], _1541308)
   Call: (194) [system] compound([_conclusion])
   Exit: (194) [system] compound([_conclusion])
^  Call: (194) [user] s2t(_conclusion, _1552420)
   Call: (195) [system] compound(_conclusion)
   Exit: (195) [system] compound(_conclusion)
   Call: (195) [system] is_list(_conclusion)
^  Call: (195) [user] s2tl(_conclusion, _1552420)
   Call: (196) [system] compound(_conclusion)
   Exit: (196) [system] compound(_conclusion)
^  Exit: (195) [user] s2tl(_conclusion, _conclusion)
^  Exit: (194) [user] s2t(_conclusion, _conclusion)
^  Call: (194) [user] s2tl([], _1552422)
   Call: (195) [system] compound([])
   Call: (195) [system] []=_1552422
   Exit: (195) [system] []=[]
^  Exit: (194) [user] s2tl([], [])
^  Exit: (193) [user] s2tl([_conclusion], [_conclusion])
^  Exit: (192) [user] s2tl([_premise, _conclusion], [_premise, _conclusion])
   Call: (192) [system] _1533890=..[->, [_premise, _conclusion]]
   Exit: (192) [system] ->([_premise, _conclusion])=..[->, [_premise, _conclusion]]
^  Exit: (191) [user] s2t([->, _premise, _conclusion], ->([_premise, _conclusion]))
   Call: (191) [apply] apply:maplist_([], _1533892, user:s2t)
   Exit: (191) [apply] apply:maplist_([], [], user:s2t)
   Exit: (190) [apply] apply:maplist_([[->, _premise, _conclusion]], [->([_premise, _conclusion])], user:s2t)
   Exit: (189) [apply] apply:maplist_([_ructor, [->, _premise, _conclusion]], [_ructor, ->([_premise, _conclusion])], user:s2t)
   Exit: (188) [apply] apply:maplist_([:, _ructor, [->, _premise, _conclusion]], [:, _ructor, ->([_premise, _conclusion])], user:s2t)
^  Exit: (187) [apply] apply:maplist(user:s2t, [:, _ructor, [->, _premise, _conclusion]], [:, _ructor, ->([_premise, _conclusion])])
   Call: (187) [system] compound_name_arguments(_1509754, t, [:, _ructor, ->([_premise, _conclusion])])
   Exit: (187) [system] compound_name_arguments(t(:, _ructor, ->([_premise, _conclusion])), t, [:, _ructor, ->([_premise, _conclusion])])
^  Exit: (186) [user] s2t([:, _ructor, [->, _premise, _conclusion]], t(:, _ructor, ->([_premise, _conclusion])))
   Call: (186) [apply] apply:maplist_([[_rb]], _1509756, user:s2t)
^  Call: (187) [user] s2t([_rb], _1579380)
   Call: (188) [system] compound([_rb])
   Exit: (188) [system] compound([_rb])
   Call: (188) [system] _rb==(->)
   Call: (188) [system] _rb=='Cons'
   Call: (188) [system] _rb==(=)
   Call: (188) [system] is_list([_rb])
   Exit: (188) [system] is_list([_rb])
^  Call: (188) [user] apply:maplist(s2t, [_rb], _1586792)
   Call: (189) [apply] apply:maplist_([_rb], _1586792, user:s2t)
^  Call: (190) [user] s2t(_rb, _1588672)
   Call: (191) [system] compound(_rb)
   Exit: (191) [system] compound(_rb)
   Call: (191) [system] is_list(_rb)
^  Call: (191) [user] s2tl(_rb, _1588672)
   Call: (192) [system] compound(_rb)
   Exit: (192) [system] compound(_rb)
^  Exit: (191) [user] s2tl(_rb, _rb)
^  Exit: (190) [user] s2t(_rb, _rb)
   Call: (190) [apply] apply:maplist_([], _1588674, user:s2t)
   Exit: (190) [apply] apply:maplist_([], [], user:s2t)
   Exit: (189) [apply] apply:maplist_([_rb], [_rb], user:s2t)
^  Exit: (188) [apply] apply:maplist(user:s2t, [_rb], [_rb])
   Call: (188) [system] compound_name_arguments(_1579380, t, [_rb])
   Exit: (188) [system] compound_name_arguments(t(_rb), t, [_rb])
^  Exit: (187) [user] s2t([_rb], t(_rb))
   Call: (187) [apply] apply:maplist_([], _1579382, user:s2t)
   Exit: (187) [apply] apply:maplist_([], [], user:s2t)
   Exit: (186) [apply] apply:maplist_([[_rb]], [t(_rb)], user:s2t)
   Exit: (185) [apply] apply:maplist_([[:, _ructor, [->, _premise, _conclusion]], [_rb]], [t(:, _ructor, ->([_premise, _conclusion])), t(_rb)], user:s2t)
^  Exit: (184) [apply] apply:maplist(user:s2t, [[:, _ructor, [->, _premise, _conclusion]], [_rb]], [t(:, _ructor, ->([_premise, _conclusion])), t(_rb)])
   Call: (184) [system] compound_name_arguments(_1500462, t, [t(:, _ructor, ->([_premise, _conclusion])), t(_rb)])
   Exit: (184) [system] compound_name_arguments(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t, [t(:, _ructor, ->([_premise, _conclusion])), t(_rb)])
^  Exit: (183) [user] s2t([[:, _ructor, [->, _premise, _conclusion]], [_rb]], t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)))
   Call: (183) [apply] apply:maplist_([[[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _1500464, user:s2t)
^  Call: (184) [user] s2t([[:, [_ructor, _proof], _conclusion], _query], _1611936)
   Call: (185) [system] compound([[:, [_ructor, _proof], _conclusion], _query])
   Exit: (185) [system] compound([[:, [_ructor, _proof], _conclusion], _query])
   Call: (185) [system] [:, [_ructor, _proof], _conclusion]==(->)
   Call: (185) [system] [:, [_ructor, _proof], _conclusion]=='Cons'
   Call: (185) [system] [:, [_ructor, _proof], _conclusion]==(=)
   Call: (185) [system] is_list([[:, [_ructor, _proof], _conclusion], _query])
   Exit: (185) [system] is_list([[:, [_ructor, _proof], _conclusion], _query])
^  Call: (185) [user] apply:maplist(s2t, [[:, [_ructor, _proof], _conclusion], _query], _1619348)
   Call: (186) [apply] apply:maplist_([[:, [_ructor, _proof], _conclusion], _query], _1619348, user:s2t)
^  Call: (187) [user] s2t([:, [_ructor, _proof], _conclusion], _1621228)
   Call: (188) [system] compound([:, [_ructor, _proof], _conclusion])
   Exit: (188) [system] compound([:, [_ructor, _proof], _conclusion])
   Call: (188) [system] (:)==(->)
   Call: (188) [system] (:)=='Cons'
   Call: (188) [system] (:)==(=)
   Call: (188) [system] is_list([:, [_ructor, _proof], _conclusion])
   Exit: (188) [system] is_list([:, [_ructor, _proof], _conclusion])
^  Call: (188) [user] apply:maplist(s2t, [:, [_ructor, _proof], _conclusion], _1628640)
   Call: (189) [apply] apply:maplist_([:, [_ructor, _proof], _conclusion], _1628640, user:s2t)
^  Call: (190) [user] s2t(:, _1630520)
   Call: (191) [system] compound(:)
   Call: (191) [system] (:)=_1630520
   Exit: (191) [system] (:)=(:)
^  Exit: (190) [user] s2t(:, :)
   Call: (190) [apply] apply:maplist_([[_ructor, _proof], _conclusion], _1630522, user:s2t)
^  Call: (191) [user] s2t([_ructor, _proof], _1636094)
   Call: (192) [system] compound([_ructor, _proof])
   Exit: (192) [system] compound([_ructor, _proof])
   Call: (192) [system] _ructor==(->)
   Call: (192) [system] _ructor=='Cons'
   Call: (192) [system] _ructor==(=)
   Call: (192) [system] is_list([_ructor, _proof])
   Exit: (192) [system] is_list([_ructor, _proof])
^  Call: (192) [user] apply:maplist(s2t, [_ructor, _proof], _1643506)
   Call: (193) [apply] apply:maplist_([_ructor, _proof], _1643506, user:s2t)
^  Call: (194) [user] s2t(_ructor, _1645386)
   Call: (195) [system] compound(_ructor)
   Exit: (195) [system] compound(_ructor)
   Call: (195) [system] is_list(_ructor)
^  Call: (195) [user] s2tl(_ructor, _1645386)
   Call: (196) [system] compound(_ructor)
   Exit: (196) [system] compound(_ructor)
^  Exit: (195) [user] s2tl(_ructor, _ructor)
^  Exit: (194) [user] s2t(_ructor, _ructor)
   Call: (194) [apply] apply:maplist_([_proof], _1645388, user:s2t)
^  Call: (195) [user] s2t(_proof, _1654656)
   Call: (196) [system] compound(_proof)
   Exit: (196) [system] compound(_proof)
   Call: (196) [system] is_list(_proof)
^  Call: (196) [user] s2tl(_proof, _1654656)
   Call: (197) [system] compound(_proof)
   Exit: (197) [system] compound(_proof)
^  Exit: (196) [user] s2tl(_proof, _proof)
^  Exit: (195) [user] s2t(_proof, _proof)
   Call: (195) [apply] apply:maplist_([], _1654658, user:s2t)
   Exit: (195) [apply] apply:maplist_([], [], user:s2t)
   Exit: (194) [apply] apply:maplist_([_proof], [_proof], user:s2t)
   Exit: (193) [apply] apply:maplist_([_ructor, _proof], [_ructor, _proof], user:s2t)
^  Exit: (192) [apply] apply:maplist(user:s2t, [_ructor, _proof], [_ructor, _proof])
   Call: (192) [system] compound_name_arguments(_1636094, t, [_ructor, _proof])
   Exit: (192) [system] compound_name_arguments(t(_ructor, _proof), t, [_ructor, _proof])
^  Exit: (191) [user] s2t([_ructor, _proof], t(_ructor, _proof))
   Call: (191) [apply] apply:maplist_([_conclusion], _1636096, user:s2t)
^  Call: (192) [user] s2t(_conclusion, _1671390)
   Call: (193) [system] compound(_conclusion)
   Exit: (193) [system] compound(_conclusion)
   Call: (193) [system] is_list(_conclusion)
^  Call: (193) [user] s2tl(_conclusion, _1671390)
   Call: (194) [system] compound(_conclusion)
   Exit: (194) [system] compound(_conclusion)
^  Exit: (193) [user] s2tl(_conclusion, _conclusion)
^  Exit: (192) [user] s2t(_conclusion, _conclusion)
   Call: (192) [apply] apply:maplist_([], _1671392, user:s2t)
   Exit: (192) [apply] apply:maplist_([], [], user:s2t)
   Exit: (191) [apply] apply:maplist_([_conclusion], [_conclusion], user:s2t)
   Exit: (190) [apply] apply:maplist_([[_ructor, _proof], _conclusion], [t(_ructor, _proof), _conclusion], user:s2t)
   Exit: (189) [apply] apply:maplist_([:, [_ructor, _proof], _conclusion], [:, t(_ructor, _proof), _conclusion], user:s2t)
^  Exit: (188) [apply] apply:maplist(user:s2t, [:, [_ructor, _proof], _conclusion], [:, t(_ructor, _proof), _conclusion])
   Call: (188) [system] compound_name_arguments(_1621228, t, [:, t(_ructor, _proof), _conclusion])
   Exit: (188) [system] compound_name_arguments(t(:, t(_ructor, _proof), _conclusion), t, [:, t(_ructor, _proof), _conclusion])
^  Exit: (187) [user] s2t([:, [_ructor, _proof], _conclusion], t(:, t(_ructor, _proof), _conclusion))
   Call: (187) [apply] apply:maplist_([_query], _1621230, user:s2t)
^  Call: (188) [user] s2t(_query, _1689058)
   Call: (189) [system] compound(_query)
   Exit: (189) [system] compound(_query)
   Call: (189) [system] is_list(_query)
^  Call: (189) [user] s2tl(_query, _1689058)
   Call: (190) [system] compound(_query)
   Exit: (190) [system] compound(_query)
^  Exit: (189) [user] s2tl(_query, _query)
^  Exit: (188) [user] s2t(_query, _query)
   Call: (188) [apply] apply:maplist_([], _1689060, user:s2t)
   Exit: (188) [apply] apply:maplist_([], [], user:s2t)
   Exit: (187) [apply] apply:maplist_([_query], [_query], user:s2t)
   Exit: (186) [apply] apply:maplist_([[:, [_ructor, _proof], _conclusion], _query], [t(:, t(_ructor, _proof), _conclusion), _query], user:s2t)
^  Exit: (185) [apply] apply:maplist(user:s2t, [[:, [_ructor, _proof], _conclusion], _query], [t(:, t(_ructor, _proof), _conclusion), _query])
   Call: (185) [system] compound_name_arguments(_1611936, t, [t(:, t(_ructor, _proof), _conclusion), _query])
   Exit: (185) [system] compound_name_arguments(t(t(:, t(_ructor, _proof), _conclusion), _query), t, [t(:, t(_ructor, _proof), _conclusion), _query])
^  Exit: (184) [user] s2t([[:, [_ructor, _proof], _conclusion], _query], t(t(:, t(_ructor, _proof), _conclusion), _query))
   Call: (184) [apply] apply:maplist_([[[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _1611938, user:s2t)
^  Call: (185) [user] s2t([[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]], _1705792)
   Call: (186) [system] compound([[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]])
   Exit: (186) [system] compound([[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]])
   Call: (186) [system] [:, _proof, _premise]==(->)
   Call: (186) [system] [:, _proof, _premise]=='Cons'
   Call: (186) [system] [:, _proof, _premise]==(=)
   Call: (186) [system] is_list([[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]])
   Exit: (186) [system] is_list([[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]])
^  Call: (186) [user] apply:maplist(s2t, [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]], _1713204)
   Call: (187) [apply] apply:maplist_([[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]], _1713204, user:s2t)
^  Call: (188) [user] s2t([:, _proof, _premise], _1715084)
   Call: (189) [system] compound([:, _proof, _premise])
   Exit: (189) [system] compound([:, _proof, _premise])
   Call: (189) [system] (:)==(->)
   Call: (189) [system] (:)=='Cons'
   Call: (189) [system] (:)==(=)
   Call: (189) [system] is_list([:, _proof, _premise])
   Exit: (189) [system] is_list([:, _proof, _premise])
^  Call: (189) [user] apply:maplist(s2t, [:, _proof, _premise], _1722496)
   Call: (190) [apply] apply:maplist_([:, _proof, _premise], _1722496, user:s2t)
^  Call: (191) [user] s2t(:, _1724376)
   Call: (192) [system] compound(:)
   Call: (192) [system] (:)=_1724376
   Exit: (192) [system] (:)=(:)
^  Exit: (191) [user] s2t(:, :)
   Call: (191) [apply] apply:maplist_([_proof, _premise], _1724378, user:s2t)
^  Call: (192) [user] s2t(_proof, _1729950)
   Call: (193) [system] compound(_proof)
   Exit: (193) [system] compound(_proof)
   Call: (193) [system] is_list(_proof)
^  Call: (193) [user] s2tl(_proof, _1729950)
   Call: (194) [system] compound(_proof)
   Exit: (194) [system] compound(_proof)
^  Exit: (193) [user] s2tl(_proof, _proof)
^  Exit: (192) [user] s2t(_proof, _proof)
   Call: (192) [apply] apply:maplist_([_premise], _1729952, user:s2t)
^  Call: (193) [user] s2t(_premise, _1739220)
   Call: (194) [system] compound(_premise)
   Exit: (194) [system] compound(_premise)
   Call: (194) [system] is_list(_premise)
^  Call: (194) [user] s2tl(_premise, _1739220)
   Call: (195) [system] compound(_premise)
   Exit: (195) [system] compound(_premise)
^  Exit: (194) [user] s2tl(_premise, _premise)
^  Exit: (193) [user] s2t(_premise, _premise)
   Call: (193) [apply] apply:maplist_([], _1739222, user:s2t)
   Exit: (193) [apply] apply:maplist_([], [], user:s2t)
   Exit: (192) [apply] apply:maplist_([_premise], [_premise], user:s2t)
   Exit: (191) [apply] apply:maplist_([_proof, _premise], [_proof, _premise], user:s2t)
   Exit: (190) [apply] apply:maplist_([:, _proof, _premise], [:, _proof, _premise], user:s2t)
^  Exit: (189) [apply] apply:maplist(user:s2t, [:, _proof, _premise], [:, _proof, _premise])
   Call: (189) [system] compound_name_arguments(_1715084, t, [:, _proof, _premise])
   Exit: (189) [system] compound_name_arguments(t(:, _proof, _premise), t, [:, _proof, _premise])
^  Exit: (188) [user] s2t([:, _proof, _premise], t(:, _proof, _premise))
   Call: (188) [apply] apply:maplist_([[synthesize, [:, _proof, _premise], _kb, _rb, _k]], _1715086, user:s2t)
^  Call: (189) [user] s2t([synthesize, [:, _proof, _premise], _kb, _rb, _k], _1756888)
   Call: (190) [system] compound([synthesize, [:, _proof, _premise], _kb, _rb, _k])
   Exit: (190) [system] compound([synthesize, [:, _proof, _premise], _kb, _rb, _k])
   Call: (190) [system] synthesize==(->)
   Call: (190) [system] synthesize=='Cons'
   Call: (190) [system] synthesize==(=)
   Call: (190) [system] is_list([synthesize, [:, _proof, _premise], _kb, _rb, _k])
   Exit: (190) [system] is_list([synthesize, [:, _proof, _premise], _kb, _rb, _k])
^  Call: (190) [user] apply:maplist(s2t, [synthesize, [:, _proof, _premise], _kb, _rb, _k], _1764300)
   Call: (191) [apply] apply:maplist_([synthesize, [:, _proof, _premise], _kb, _rb, _k], _1764300, user:s2t)
^  Call: (192) [user] s2t(synthesize, _1766180)
   Call: (193) [system] compound(synthesize)
   Call: (193) [system] synthesize=_1766180
   Exit: (193) [system] synthesize=synthesize
^  Exit: (192) [user] s2t(synthesize, synthesize)
   Call: (192) [apply] apply:maplist_([[:, _proof, _premise], _kb, _rb, _k], _1766182, user:s2t)
^  Call: (193) [user] s2t([:, _proof, _premise], _1771754)
   Call: (194) [system] compound([:, _proof, _premise])
   Exit: (194) [system] compound([:, _proof, _premise])
   Call: (194) [system] (:)==(->)
   Call: (194) [system] (:)=='Cons'
   Call: (194) [system] (:)==(=)
   Call: (194) [system] is_list([:, _proof, _premise])
   Exit: (194) [system] is_list([:, _proof, _premise])
^  Call: (194) [user] apply:maplist(s2t, [:, _proof, _premise], _1779166)
   Call: (195) [apply] apply:maplist_([:, _proof, _premise], _1779166, user:s2t)
^  Call: (196) [user] s2t(:, _1781046)
   Call: (197) [system] compound(:)
   Call: (197) [system] (:)=_1781046
   Exit: (197) [system] (:)=(:)
^  Exit: (196) [user] s2t(:, :)
   Call: (196) [apply] apply:maplist_([_proof, _premise], _1781048, user:s2t)
^  Call: (197) [user] s2t(_proof, _1786620)
   Call: (198) [system] compound(_proof)
   Exit: (198) [system] compound(_proof)
   Call: (198) [system] is_list(_proof)
^  Call: (198) [user] s2tl(_proof, _1786620)
   Call: (199) [system] compound(_proof)
   Exit: (199) [system] compound(_proof)
^  Exit: (198) [user] s2tl(_proof, _proof)
^  Exit: (197) [user] s2t(_proof, _proof)
   Call: (197) [apply] apply:maplist_([_premise], _1786622, user:s2t)
^  Call: (198) [user] s2t(_premise, _1795890)
   Call: (199) [system] compound(_premise)
   Exit: (199) [system] compound(_premise)
   Call: (199) [system] is_list(_premise)
^  Call: (199) [user] s2tl(_premise, _1795890)
   Call: (200) [system] compound(_premise)
   Exit: (200) [system] compound(_premise)
^  Exit: (199) [user] s2tl(_premise, _premise)
^  Exit: (198) [user] s2t(_premise, _premise)
   Call: (198) [apply] apply:maplist_([], _1795892, user:s2t)
   Exit: (198) [apply] apply:maplist_([], [], user:s2t)
   Exit: (197) [apply] apply:maplist_([_premise], [_premise], user:s2t)
   Exit: (196) [apply] apply:maplist_([_proof, _premise], [_proof, _premise], user:s2t)
   Exit: (195) [apply] apply:maplist_([:, _proof, _premise], [:, _proof, _premise], user:s2t)
^  Exit: (194) [apply] apply:maplist(user:s2t, [:, _proof, _premise], [:, _proof, _premise])
   Call: (194) [system] compound_name_arguments(_1771754, t, [:, _proof, _premise])
   Exit: (194) [system] compound_name_arguments(t(:, _proof, _premise), t, [:, _proof, _premise])
^  Exit: (193) [user] s2t([:, _proof, _premise], t(:, _proof, _premise))
   Call: (193) [apply] apply:maplist_([_kb, _rb, _k], _1771756, user:s2t)
^  Call: (194) [user] s2t(_kb, _1813558)
   Call: (195) [system] compound(_kb)
   Exit: (195) [system] compound(_kb)
   Call: (195) [system] is_list(_kb)
^  Call: (195) [user] s2tl(_kb, _1813558)
   Call: (196) [system] compound(_kb)
   Exit: (196) [system] compound(_kb)
^  Exit: (195) [user] s2tl(_kb, _kb)
^  Exit: (194) [user] s2t(_kb, _kb)
   Call: (194) [apply] apply:maplist_([_rb, _k], _1813560, user:s2t)
^  Call: (195) [user] s2t(_rb, _1822828)
   Call: (196) [system] compound(_rb)
   Exit: (196) [system] compound(_rb)
   Call: (196) [system] is_list(_rb)
^  Call: (196) [user] s2tl(_rb, _1822828)
   Call: (197) [system] compound(_rb)
   Exit: (197) [system] compound(_rb)
^  Exit: (196) [user] s2tl(_rb, _rb)
^  Exit: (195) [user] s2t(_rb, _rb)
   Call: (195) [apply] apply:maplist_([_k], _1822830, user:s2t)
^  Call: (196) [user] s2t(_k, _1832098)
   Call: (197) [system] compound(_k)
   Exit: (197) [system] compound(_k)
   Call: (197) [system] is_list(_k)
^  Call: (197) [user] s2tl(_k, _1832098)
   Call: (198) [system] compound(_k)
   Exit: (198) [system] compound(_k)
^  Exit: (197) [user] s2tl(_k, _k)
^  Exit: (196) [user] s2t(_k, _k)
   Call: (196) [apply] apply:maplist_([], _1832100, user:s2t)
   Exit: (196) [apply] apply:maplist_([], [], user:s2t)
   Exit: (195) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (194) [apply] apply:maplist_([_rb, _k], [_rb, _k], user:s2t)
   Exit: (193) [apply] apply:maplist_([_kb, _rb, _k], [_kb, _rb, _k], user:s2t)
   Exit: (192) [apply] apply:maplist_([[:, _proof, _premise], _kb, _rb, _k], [t(:, _proof, _premise), _kb, _rb, _k], user:s2t)
   Exit: (191) [apply] apply:maplist_([synthesize, [:, _proof, _premise], _kb, _rb, _k], [synthesize, t(:, _proof, _premise), _kb, _rb, _k], user:s2t)
^  Exit: (190) [apply] apply:maplist(user:s2t, [synthesize, [:, _proof, _premise], _kb, _rb, _k], [synthesize, t(:, _proof, _premise), _kb, _rb, _k])
   Call: (190) [system] compound_name_arguments(_1756888, t, [synthesize, t(:, _proof, _premise), _kb, _rb, _k])
   Exit: (190) [system] compound_name_arguments(t(synthesize, t(:, _proof, _premise), _kb, _rb, _k), t, [synthesize, t(:, _proof, _premise), _kb, _rb, _k])
^  Exit: (189) [user] s2t([synthesize, [:, _proof, _premise], _kb, _rb, _k], t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))
   Call: (189) [apply] apply:maplist_([], _1756890, user:s2t)
   Exit: (189) [apply] apply:maplist_([], [], user:s2t)
   Exit: (188) [apply] apply:maplist_([[synthesize, [:, _proof, _premise], _kb, _rb, _k]], [t(synthesize, t(:, _proof, _premise), _kb, _rb, _k)], user:s2t)
   Exit: (187) [apply] apply:maplist_([[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]], [t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k)], user:s2t)
^  Exit: (186) [apply] apply:maplist(user:s2t, [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]], [t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k)])
   Call: (186) [system] compound_name_arguments(_1705792, t, [t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k)])
   Exit: (186) [system] compound_name_arguments(t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k)), t, [t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k)])
^  Exit: (185) [user] s2t([[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]], t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k)))
   Call: (185) [apply] apply:maplist_([], _1705794, user:s2t)
   Exit: (185) [apply] apply:maplist_([], [], user:s2t)
   Exit: (184) [apply] apply:maplist_([[[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], [t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))], user:s2t)
   Exit: (183) [apply] apply:maplist_([[[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], [t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))], user:s2t)
   Exit: (182) [apply] apply:maplist_([[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], [t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))], user:s2t)
^  Exit: (181) [apply] apply:maplist(user:s2t, [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], [t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))])
   Call: (181) [system] compound_name_arguments(_1491170, t, [t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))])
   Exit: (181) [system] compound_name_arguments(t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), t, [t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))])
^  Exit: (180) [user] s2t([[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))))
   Call: (180) [apply] apply:maplist_([_query], _1491172, user:s2t)
^  Call: (181) [user] s2t(_query, _1867496)
   Call: (182) [system] compound(_query)
   Exit: (182) [system] compound(_query)
   Call: (182) [system] is_list(_query)
^  Call: (182) [user] s2tl(_query, _1867496)
   Call: (183) [system] compound(_query)
   Exit: (183) [system] compound(_query)
^  Exit: (182) [user] s2tl(_query, _query)
^  Exit: (181) [user] s2t(_query, _query)
   Call: (181) [apply] apply:maplist_([], _1867498, user:s2t)
   Exit: (181) [apply] apply:maplist_([], [], user:s2t)
   Exit: (180) [apply] apply:maplist_([_query], [_query], user:s2t)
   Exit: (179) [apply] apply:maplist_([[[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query], [t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query], user:s2t)
   Exit: (178) [apply] apply:maplist_(['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query], ['let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query], user:s2t)
^  Exit: (177) [apply] apply:maplist(user:s2t, ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query], ['let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query])
   Call: (177) [system] compound_name_arguments(_1476304, t, ['let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query])
   Exit: (177) [system] compound_name_arguments(t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query), t, ['let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query])
^  Exit: (176) [user] s2t(['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query], t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query))
^  Call: (176) [user] s2tl([], _1476306)
   Call: (177) [system] compound([])
   Call: (177) [system] []=_1476306
   Exit: (177) [system] []=[]
^  Exit: (176) [user] s2tl([], [])
^  Exit: (175) [user] s2tl([['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)])
^  Exit: (174) [user] s2tl([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)])
^  Exit: (173) [user] s2tl([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)])
^  Exit: (172) [user] s2t_iz(ynthesize_long_1727204587_629323, ynthesize_long_1727204587_629323, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)])
^  Call: (172) [user] relistify([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)], _1892586)
   Call: (173) [system] is_list([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)])
   Exit: (173) [system] is_list([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)])
   Call: (173) [system] _1892586=[=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)]
   Exit: (173) [system] [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)]=[=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)]
^  Exit: (172) [user] relistify([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)], [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)])
   Call: (172) [system] _1898148=..[ynthesize_long_1727204587_629323, 110, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)]
   Exit: (172) [system] ynthesize_long_1727204587_629323(110, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query))=..[ynthesize_long_1727204587_629323, 110, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)]
^  Call: (172) [user] format((0x563acd7397e0), "~q.~n", [ynthesize_long_1727204587_629323(110, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query))])
^  Exit: (172) [user] format((0x563acd7397e0), "~q.~n", [ynthesize_long_1727204587_629323(110, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query))])
^  Exit: (171) [user] write_metta_datalog_term((0x563acd7397e0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], ynthesize_long_1727204587_629323, 110)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1727204596.0891678), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204596.0891678), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]), 110]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 19, 19+1), write_metta_datalog_term((0x563acd7397e0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], ynthesize_long_1727204587_629323, 110)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x563acd73bee0))
   Fail: (169) [system] at_end_of_stream((0x563acd73bee0))
^  Call: (169) [user] must_det_ll(line_count((0x563acd73bee0), _3074))
^  Call: (170) [user] once(user:line_count((0x563acd73bee0), _3074))
   Call: (171) [system] line_count((0x563acd73bee0), _3074)
   Exit: (171) [system] line_count((0x563acd73bee0), 111)
^  Exit: (170) [system] once(user:line_count((0x563acd73bee0), 111))
^  Exit: (169) [user] must_det_ll(user:line_count((0x563acd73bee0), 111))
^  Call: (169) [user] must_det_ll(read_sform((0x563acd73bee0), _3084))
^  Call: (170) [user] once(user:read_sform((0x563acd73bee0), _3084))
^  Call: (171) [user] read_sform((0x563acd73bee0), _3084)
   Call: (172) [system] string((0x563acd73bee0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
   Call: (173) [system] string((0x563acd73bee0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), _3084)
   Call: (174) [system] at_end_of_stream((0x563acd73bee0))
   Call: (174) [system] peek_char((0x563acd73bee0), _1923340)
   Exit: (174) [system] peek_char((0x563acd73bee0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x563acd73bee0), '\n')
   Exit: (174) [system] get_char((0x563acd73bee0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x563acd73bee0), _3084)
   Call: (175) [system] at_end_of_stream((0x563acd73bee0))
   Call: (175) [system] peek_char((0x563acd73bee0), _1930762)
   Exit: (175) [system] peek_char((0x563acd73bee0), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
   Call: (176) [system] string((0x563acd73bee0))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), _3084)
   Call: (177) [system] at_end_of_stream((0x563acd73bee0))
   Call: (177) [system] peek_char((0x563acd73bee0), _1939100)
   Exit: (177) [system] peek_char((0x563acd73bee0), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _1941886=(0x563acd73bee0)
   Exit: (177) [system] (0x563acd73bee0)=(0x563acd73bee0)
^  Call: (177) [user] once((read_position((0x563acd73bee0), _1943754, _1943756, _1943758, _1943760), read_sexpr((0x563acd73bee0), _1943772), assertz(metta_file_comment(_1943754, _1943756, _1943758, _1943772, _1943760))))
^  Call: (179) [user] read_position((0x563acd73bee0), _1943754, _1943756, _1943758, _1943760)
   Call: (180) [system] stream_property((0x563acd73bee0), position(_1943760))
   Call: (181) [system] nonvar((0x563acd73bee0))
   Exit: (181) [system] nonvar((0x563acd73bee0))
   Call: (181) [system] nonvar(position(_1943760))
   Exit: (181) [system] nonvar(position(_1943760))
   Exit: (180) [system] stream_property((0x563acd73bee0), position('$stream_position'(4506, 112, 0, 4506)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4506, 112, 0, 4506), _1943754)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _1954012)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(4506, 112, 0, 4506), _1943754)
   Exit: (181) [system] arg(2, '$stream_position'(4506, 112, 0, 4506), 112)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4506, 112, 0, 4506), 112)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4506, 112, 0, 4506), _1943756)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _1961446)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(4506, 112, 0, 4506), _1943756)
   Exit: (181) [system] arg(3, '$stream_position'(4506, 112, 0, 4506), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4506, 112, 0, 4506), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4506, 112, 0, 4506), _1943758)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _1968880)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(4506, 112, 0, 4506), _1943758)
   Exit: (181) [system] arg(1, '$stream_position'(4506, 112, 0, 4506), 4506)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4506, 112, 0, 4506), 4506)
^  Exit: (179) [user] read_position((0x563acd73bee0), 112, 0, 4506, '$stream_position'(4506, 112, 0, 4506))
^  Call: (179) [user] read_sexpr((0x563acd73bee0), _1943772)
   Call: (180) [system] string((0x563acd73bee0))
   Fail: (180) [system] string((0x563acd73bee0))
^  Call: (180) [user] cont_sexpr(')', (0x563acd73bee0), _1943772)
^  Call: (181) [user] skip_spaces((0x563acd73bee0))
   Call: (182) [system] peek_char((0x563acd73bee0), _1979106)
   Exit: (182) [system] peek_char((0x563acd73bee0), '(')
   Call: (182) [system] '('=(;)
   Fail: (182) [system] '('=(;)
   Call: (182) [system] '('=(/)
   Fail: (182) [system] '('=(/)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Fail: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Fail: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Fail: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
   Fail: (183) [system] char_type('(', cntrl)
^  Fail: (182) [user] is_like_space('(')
^  Exit: (181) [user] skip_spaces((0x563acd73bee0))
   Call: (181) [system] get_char((0x563acd73bee0), _1995116)
   Exit: (181) [system] get_char((0x563acd73bee0), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x563acd73bee0), _1943772)
^  Call: (182) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] peek_char((0x563acd73bee0), _2000686)
   Exit: (183) [system] peek_char((0x563acd73bee0), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
   Call: (183) [system] (=)=(/)
   Fail: (183) [system] (=)=(/)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x563acd73bee0))
   Call: (182) [system] peek_char((0x563acd73bee0), _2016696)
   Exit: (182) [system] peek_char((0x563acd73bee0), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x563acd73bee0), _2022266)
^  Call: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _2024124)
   Exit: (184) [system] peek_char((0x563acd73bee0), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
   Call: (184) [system] (=)=(/)
   Fail: (184) [system] (=)=(/)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] get_char((0x563acd73bee0), _2040134)
   Exit: (183) [system] get_char((0x563acd73bee0), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x563acd73bee0), =, _2022266)
^  Call: (184) [user] read_symbolic_cont(')', (0x563acd73bee0), _2057776)
   Call: (185) [system] peek_char((0x563acd73bee0), _2058710)
   Exit: (185) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _2057776=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (184) [user] classify_and_convert_charseq([=], _2022266)
^  Call: (185) [user] classify_and_convert_charseq_([=], _2067994)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_2068946, _2068948), once(user:catch(read_from_chars([=], _2067994), _2068928, fail)), '$restore_trace'(_2068946, _2068948))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_2068946, _2068948))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _2068928, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(=)
   Exit: (186) [system] atomic(=)
^  Exit: (185) [user] classify_and_convert_charseq_([=], =)
   Call: (185) [system] integer(=)
   Fail: (185) [system] integer(=)
   Call: (185) [system] _2022266=(=)
   Exit: (185) [system] (=)=(=)
^  Exit: (184) [user] classify_and_convert_charseq([=], =)
^  Exit: (183) [user] read_symbolic(')', (0x563acd73bee0), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x563acd73bee0), =)
^  Call: (182) [user] read_list(')', (0x563acd73bee0), _2081074)
^  Call: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _2082932)
   Exit: (184) [system] peek_char((0x563acd73bee0), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
   Call: (184) [system] ' '=(/)
   Fail: (184) [system] ' '=(/)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x563acd73bee0), _2092526)
   Exit: (184) [system] get_char((0x563acd73bee0), ' ')
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _2095230)
   Exit: (185) [system] peek_char((0x563acd73bee0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
^  Exit: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] peek_char((0x563acd73bee0), _18796)
   Exit: (183) [system] peek_char((0x563acd73bee0), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x563acd73bee0), _24366)
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _26224)
   Exit: (185) [system] peek_char((0x563acd73bee0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] get_char((0x563acd73bee0), _42234)
   Exit: (184) [system] get_char((0x563acd73bee0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x563acd73bee0), _24366)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _47804)
   Exit: (186) [system] peek_char((0x563acd73bee0), r)
   Call: (186) [system] r=(;)
   Fail: (186) [system] r=(;)
   Call: (186) [system] r=(/)
   Fail: (186) [system] r=(/)
^  Call: (186) [user] is_like_space(r)
   Call: (187) [system] char_type(r, 'white')
   Fail: (187) [system] char_type(r, 'white')
   Call: (187) [system] char_type(r, end_of_line)
   Fail: (187) [system] char_type(r, end_of_line)
   Call: (187) [system] char_type(r, space)
   Fail: (187) [system] char_type(r, space)
   Call: (187) [system] char_type(r, cntrl)
   Fail: (187) [system] char_type(r, cntrl)
^  Fail: (186) [user] is_like_space(r)
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _63814)
   Exit: (185) [system] peek_char((0x563acd73bee0), r)
   Call: (185) [system] r=')'
   Fail: (185) [system] r=')'
   Call: (185) [system] r=end_of_file
   Fail: (185) [system] r=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x563acd73bee0), _69384)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _71242)
   Exit: (187) [system] peek_char((0x563acd73bee0), r)
   Call: (187) [system] r=(;)
   Fail: (187) [system] r=(;)
   Call: (187) [system] r=(/)
   Fail: (187) [system] r=(/)
^  Call: (187) [user] is_like_space(r)
   Call: (188) [system] char_type(r, 'white')
   Fail: (188) [system] char_type(r, 'white')
   Call: (188) [system] char_type(r, end_of_line)
   Fail: (188) [system] char_type(r, end_of_line)
   Call: (188) [system] char_type(r, space)
   Fail: (188) [system] char_type(r, space)
   Call: (188) [system] char_type(r, cntrl)
   Fail: (188) [system] char_type(r, cntrl)
^  Fail: (187) [user] is_like_space(r)
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] get_char((0x563acd73bee0), _87252)
   Exit: (186) [system] get_char((0x563acd73bee0), r)
   Call: (186) [system] r='('
   Fail: (186) [system] r='('
   Call: (186) [system] r='['
   Fail: (186) [system] r='['
   Call: (186) [system] r='{'
   Fail: (186) [system] r='{'
   Call: (186) [system] r='"'
   Fail: (186) [system] r='"'
   Call: (186) [system] r=!
   Fail: (186) [system] r=!
   Call: (186) [system] r='\''
   Fail: (186) [system] r='\''
   Call: (186) [system] r='`'
   Fail: (186) [system] r='`'
   Call: (186) [system] r=end_of_file
   Fail: (186) [system] r=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x563acd73bee0), r, _69384)
^  Call: (187) [user] read_symbolic_cont(')', (0x563acd73bee0), _104894)
   Call: (188) [system] peek_char((0x563acd73bee0), _105828)
   Exit: (188) [system] peek_char((0x563acd73bee0), b)
^  Call: (188) [user] is_delimiter(b)
   Call: (189) [system] char_type(b, space)
   Fail: (189) [system] char_type(b, space)
   Call: (189) [system] arg(_110548, v('(', ')', end_of_file), b)
   Fail: (189) [system] arg(_111480, v('(', ')', end_of_file), b)
^  Fail: (188) [user] is_delimiter(b)
   Call: (188) [system] ')'==b
   Fail: (188) [system] ')'==b
   Call: (188) [system] get_char((0x563acd73bee0), b)
   Exit: (188) [system] get_char((0x563acd73bee0), b)
   Call: (188) [system] b=(\)
   Fail: (188) [system] b=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), _118830)
   Call: (189) [system] peek_char((0x563acd73bee0), _119764)
   Exit: (189) [system] peek_char((0x563acd73bee0), ')')
^  Call: (189) [user] is_delimiter(')')
   Call: (190) [system] char_type(')', space)
   Fail: (190) [system] char_type(')', space)
   Call: (190) [system] arg(_124484, v('(', ')', end_of_file), ')')
   Exit: (190) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (189) [user] is_delimiter(')')
   Call: (189) [system] _118830=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (188) [system] _104894=[b]
   Exit: (188) [system] [b]=[b]
^  Exit: (187) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
^  Call: (187) [user] classify_and_convert_charseq([r, b], _69384)
^  Call: (188) [user] classify_and_convert_charseq_([r, b], _133714)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_134666, _134668), once(user:catch(read_from_chars([r, b], _133714), _134648, fail)), '$restore_trace'(_134666, _134668))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_134666, _134668))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([r, b], rb), _134648, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(rb)
   Exit: (189) [system] atomic(rb)
^  Exit: (188) [user] classify_and_convert_charseq_([r, b], rb)
   Call: (188) [system] integer(rb)
   Fail: (188) [system] integer(rb)
   Call: (188) [system] _69384=rb
   Exit: (188) [system] rb=rb
^  Exit: (187) [user] classify_and_convert_charseq([r, b], rb)
^  Exit: (186) [user] read_symbolic(')', (0x563acd73bee0), r, rb)
^  Exit: (185) [user] cont_sexpr(')', (0x563acd73bee0), rb)
^  Call: (185) [user] read_list(')', (0x563acd73bee0), _146794)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _148652)
   Exit: (187) [system] peek_char((0x563acd73bee0), ')')
   Call: (187) [system] ')'=(;)
   Fail: (187) [system] ')'=(;)
   Call: (187) [system] ')'=(/)
   Fail: (187) [system] ')'=(/)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Fail: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Fail: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Fail: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
   Fail: (188) [system] char_type(')', cntrl)
^  Fail: (187) [user] is_like_space(')')
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _164662)
   Exit: (186) [system] peek_char((0x563acd73bee0), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x563acd73bee0), _168452)
   Exit: (186) [system] get_char((0x563acd73bee0), ')')
   Call: (186) [system] _146794=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x563acd73bee0), [])
   Call: (185) [system] _24366=[rb]
   Exit: (185) [system] [rb]=[rb]
^  Exit: (184) [user] read_list(')', (0x563acd73bee0), [rb])
^  Exit: (183) [user] cont_sexpr(')', (0x563acd73bee0), [rb])
^  Call: (183) [user] read_list(')', (0x563acd73bee0), _176746)
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _178604)
   Exit: (185) [system] peek_char((0x563acd73bee0), ' ')
   Call: (185) [system] ' '=(;)
   Fail: (185) [system] ' '=(;)
   Call: (185) [system] ' '=(/)
   Fail: (185) [system] ' '=(/)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x563acd73bee0), _188198)
   Exit: (185) [system] get_char((0x563acd73bee0), ' ')
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _190902)
   Exit: (186) [system] peek_char((0x563acd73bee0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _207836)
   Exit: (184) [system] peek_char((0x563acd73bee0), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x563acd73bee0), _213406)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _215264)
   Exit: (186) [system] peek_char((0x563acd73bee0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] get_char((0x563acd73bee0), _231274)
   Exit: (185) [system] get_char((0x563acd73bee0), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x563acd73bee0), _213406)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _236844)
   Exit: (187) [system] peek_char((0x563acd73bee0), :)
   Call: (187) [system] (:)=(;)
   Fail: (187) [system] (:)=(;)
   Call: (187) [system] (:)=(/)
   Fail: (187) [system] (:)=(/)
^  Call: (187) [user] is_like_space(:)
   Call: (188) [system] char_type(:, 'white')
   Fail: (188) [system] char_type(:, 'white')
   Call: (188) [system] char_type(:, end_of_line)
   Fail: (188) [system] char_type(:, end_of_line)
   Call: (188) [system] char_type(:, space)
   Fail: (188) [system] char_type(:, space)
   Call: (188) [system] char_type(:, cntrl)
   Fail: (188) [system] char_type(:, cntrl)
^  Fail: (187) [user] is_like_space(:)
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _252854)
   Exit: (186) [system] peek_char((0x563acd73bee0), :)
   Call: (186) [system] (:)=')'
   Fail: (186) [system] (:)=')'
   Call: (186) [system] (:)=end_of_file
   Fail: (186) [system] (:)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x563acd73bee0), _258424)
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _260282)
   Exit: (188) [system] peek_char((0x563acd73bee0), :)
   Call: (188) [system] (:)=(;)
   Fail: (188) [system] (:)=(;)
   Call: (188) [system] (:)=(/)
   Fail: (188) [system] (:)=(/)
^  Call: (188) [user] is_like_space(:)
   Call: (189) [system] char_type(:, 'white')
   Fail: (189) [system] char_type(:, 'white')
   Call: (189) [system] char_type(:, end_of_line)
   Fail: (189) [system] char_type(:, end_of_line)
   Call: (189) [system] char_type(:, space)
   Fail: (189) [system] char_type(:, space)
   Call: (189) [system] char_type(:, cntrl)
   Fail: (189) [system] char_type(:, cntrl)
^  Fail: (188) [user] is_like_space(:)
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] get_char((0x563acd73bee0), _276292)
   Exit: (187) [system] get_char((0x563acd73bee0), :)
   Call: (187) [system] (:)='('
   Fail: (187) [system] (:)='('
   Call: (187) [system] (:)='['
   Fail: (187) [system] (:)='['
   Call: (187) [system] (:)='{'
   Fail: (187) [system] (:)='{'
   Call: (187) [system] (:)='"'
   Fail: (187) [system] (:)='"'
   Call: (187) [system] (:)=!
   Fail: (187) [system] (:)=!
   Call: (187) [system] (:)='\''
   Fail: (187) [system] (:)='\''
   Call: (187) [system] (:)='`'
   Fail: (187) [system] (:)='`'
   Call: (187) [system] (:)=end_of_file
   Fail: (187) [system] (:)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x563acd73bee0), :, _258424)
^  Call: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), _293934)
   Call: (189) [system] peek_char((0x563acd73bee0), _294868)
   Exit: (189) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (189) [user] is_delimiter(' ')
   Call: (190) [system] char_type(' ', space)
   Exit: (190) [system] char_type(' ', space)
^  Exit: (189) [user] is_delimiter(' ')
   Call: (189) [system] _293934=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (188) [user] classify_and_convert_charseq([:], _258424)
^  Call: (189) [user] classify_and_convert_charseq_([:], _304152)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_305104, _305106), once(user:catch(read_from_chars([:], _304152), _305086, fail)), '$restore_trace'(_305104, _305106))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_305104, _305106))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _305086, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(:)
   Exit: (190) [system] atomic(:)
^  Exit: (189) [user] classify_and_convert_charseq_([:], :)
   Call: (189) [system] integer(:)
   Fail: (189) [system] integer(:)
   Call: (189) [system] _258424=(:)
   Exit: (189) [system] (:)=(:)
^  Exit: (188) [user] classify_and_convert_charseq([:], :)
^  Exit: (187) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (186) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (186) [user] read_list(')', (0x563acd73bee0), _317232)
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _319090)
   Exit: (188) [system] peek_char((0x563acd73bee0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x563acd73bee0), _328684)
   Exit: (188) [system] get_char((0x563acd73bee0), ' ')
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _331388)
   Exit: (189) [system] peek_char((0x563acd73bee0), 'D')
   Call: (189) [system] 'D'=(;)
   Fail: (189) [system] 'D'=(;)
   Call: (189) [system] 'D'=(/)
   Fail: (189) [system] 'D'=(/)
^  Call: (189) [user] is_like_space('D')
   Call: (190) [system] char_type('D', 'white')
   Fail: (190) [system] char_type('D', 'white')
   Call: (190) [system] char_type('D', end_of_line)
   Fail: (190) [system] char_type('D', end_of_line)
   Call: (190) [system] char_type('D', space)
   Fail: (190) [system] char_type('D', space)
   Call: (190) [system] char_type('D', cntrl)
   Fail: (190) [system] char_type('D', cntrl)
^  Fail: (189) [user] is_like_space('D')
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _348322)
   Exit: (187) [system] peek_char((0x563acd73bee0), 'D')
   Call: (187) [system] 'D'=')'
   Fail: (187) [system] 'D'=')'
   Call: (187) [system] 'D'=end_of_file
   Fail: (187) [system] 'D'=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x563acd73bee0), _353892)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _355750)
   Exit: (189) [system] peek_char((0x563acd73bee0), 'D')
   Call: (189) [system] 'D'=(;)
   Fail: (189) [system] 'D'=(;)
   Call: (189) [system] 'D'=(/)
   Fail: (189) [system] 'D'=(/)
^  Call: (189) [user] is_like_space('D')
   Call: (190) [system] char_type('D', 'white')
   Fail: (190) [system] char_type('D', 'white')
   Call: (190) [system] char_type('D', end_of_line)
   Fail: (190) [system] char_type('D', end_of_line)
   Call: (190) [system] char_type('D', space)
   Fail: (190) [system] char_type('D', space)
   Call: (190) [system] char_type('D', cntrl)
   Fail: (190) [system] char_type('D', cntrl)
^  Fail: (189) [user] is_like_space('D')
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] get_char((0x563acd73bee0), _371760)
   Exit: (188) [system] get_char((0x563acd73bee0), 'D')
   Call: (188) [system] 'D'='('
   Fail: (188) [system] 'D'='('
   Call: (188) [system] 'D'='['
   Fail: (188) [system] 'D'='['
   Call: (188) [system] 'D'='{'
   Fail: (188) [system] 'D'='{'
   Call: (188) [system] 'D'='"'
   Fail: (188) [system] 'D'='"'
   Call: (188) [system] 'D'=!
   Fail: (188) [system] 'D'=!
   Call: (188) [system] 'D'='\''
   Fail: (188) [system] 'D'='\''
   Call: (188) [system] 'D'='`'
   Fail: (188) [system] 'D'='`'
   Call: (188) [system] 'D'=end_of_file
   Fail: (188) [system] 'D'=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x563acd73bee0), 'D', _353892)
^  Call: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), _389402)
   Call: (190) [system] peek_char((0x563acd73bee0), _390336)
   Exit: (190) [system] peek_char((0x563acd73bee0), i)
^  Call: (190) [user] is_delimiter(i)
   Call: (191) [system] char_type(i, space)
   Fail: (191) [system] char_type(i, space)
   Call: (191) [system] arg(_395056, v('(', ')', end_of_file), i)
   Fail: (191) [system] arg(_395988, v('(', ')', end_of_file), i)
^  Fail: (190) [user] is_delimiter(i)
   Call: (190) [system] ')'==i
   Fail: (190) [system] ')'==i
   Call: (190) [system] get_char((0x563acd73bee0), i)
   Exit: (190) [system] get_char((0x563acd73bee0), i)
   Call: (190) [system] i=(\)
   Fail: (190) [system] i=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), _403338)
   Call: (191) [system] peek_char((0x563acd73bee0), _404272)
   Exit: (191) [system] peek_char((0x563acd73bee0), s)
^  Call: (191) [user] is_delimiter(s)
   Call: (192) [system] char_type(s, space)
   Fail: (192) [system] char_type(s, space)
   Call: (192) [system] arg(_408992, v('(', ')', end_of_file), s)
   Fail: (192) [system] arg(_409924, v('(', ')', end_of_file), s)
^  Fail: (191) [user] is_delimiter(s)
   Call: (191) [system] ')'==s
   Fail: (191) [system] ')'==s
   Call: (191) [system] get_char((0x563acd73bee0), s)
   Exit: (191) [system] get_char((0x563acd73bee0), s)
   Call: (191) [system] s=(\)
   Fail: (191) [system] s=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), _417274)
   Call: (192) [system] peek_char((0x563acd73bee0), _418208)
   Exit: (192) [system] peek_char((0x563acd73bee0), j)
^  Call: (192) [user] is_delimiter(j)
   Call: (193) [system] char_type(j, space)
   Fail: (193) [system] char_type(j, space)
   Call: (193) [system] arg(_422928, v('(', ')', end_of_file), j)
   Fail: (193) [system] arg(_423860, v('(', ')', end_of_file), j)
^  Fail: (192) [user] is_delimiter(j)
   Call: (192) [system] ')'==j
   Fail: (192) [system] ')'==j
   Call: (192) [system] get_char((0x563acd73bee0), j)
   Exit: (192) [system] get_char((0x563acd73bee0), j)
   Call: (192) [system] j=(\)
   Fail: (192) [system] j=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), _431210)
   Call: (193) [system] peek_char((0x563acd73bee0), _432144)
   Exit: (193) [system] peek_char((0x563acd73bee0), u)
^  Call: (193) [user] is_delimiter(u)
   Call: (194) [system] char_type(u, space)
   Fail: (194) [system] char_type(u, space)
   Call: (194) [system] arg(_436864, v('(', ')', end_of_file), u)
   Fail: (194) [system] arg(_437796, v('(', ')', end_of_file), u)
^  Fail: (193) [user] is_delimiter(u)
   Call: (193) [system] ')'==u
   Fail: (193) [system] ')'==u
   Call: (193) [system] get_char((0x563acd73bee0), u)
   Exit: (193) [system] get_char((0x563acd73bee0), u)
   Call: (193) [system] u=(\)
   Fail: (193) [system] u=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _445146)
   Call: (194) [system] peek_char((0x563acd73bee0), _446080)
   Exit: (194) [system] peek_char((0x563acd73bee0), n)
^  Call: (194) [user] is_delimiter(n)
   Call: (195) [system] char_type(n, space)
   Fail: (195) [system] char_type(n, space)
   Call: (195) [system] arg(_450800, v('(', ')', end_of_file), n)
   Fail: (195) [system] arg(_451732, v('(', ')', end_of_file), n)
^  Fail: (194) [user] is_delimiter(n)
   Call: (194) [system] ')'==n
   Fail: (194) [system] ')'==n
   Call: (194) [system] get_char((0x563acd73bee0), n)
   Exit: (194) [system] get_char((0x563acd73bee0), n)
   Call: (194) [system] n=(\)
   Fail: (194) [system] n=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _459082)
   Call: (195) [system] peek_char((0x563acd73bee0), _460016)
   Exit: (195) [system] peek_char((0x563acd73bee0), c)
^  Call: (195) [user] is_delimiter(c)
   Call: (196) [system] char_type(c, space)
   Fail: (196) [system] char_type(c, space)
   Call: (196) [system] arg(_464736, v('(', ')', end_of_file), c)
   Fail: (196) [system] arg(_465668, v('(', ')', end_of_file), c)
^  Fail: (195) [user] is_delimiter(c)
   Call: (195) [system] ')'==c
   Fail: (195) [system] ')'==c
   Call: (195) [system] get_char((0x563acd73bee0), c)
   Exit: (195) [system] get_char((0x563acd73bee0), c)
   Call: (195) [system] c=(\)
   Fail: (195) [system] c=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _473018)
   Call: (196) [system] peek_char((0x563acd73bee0), _473952)
   Exit: (196) [system] peek_char((0x563acd73bee0), t)
^  Call: (196) [user] is_delimiter(t)
   Call: (197) [system] char_type(t, space)
   Fail: (197) [system] char_type(t, space)
   Call: (197) [system] arg(_478672, v('(', ')', end_of_file), t)
   Fail: (197) [system] arg(_479604, v('(', ')', end_of_file), t)
^  Fail: (196) [user] is_delimiter(t)
   Call: (196) [system] ')'==t
   Fail: (196) [system] ')'==t
   Call: (196) [system] get_char((0x563acd73bee0), t)
   Exit: (196) [system] get_char((0x563acd73bee0), t)
   Call: (196) [system] t=(\)
   Fail: (196) [system] t=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _486954)
   Call: (197) [system] peek_char((0x563acd73bee0), _487888)
   Exit: (197) [system] peek_char((0x563acd73bee0), i)
^  Call: (197) [user] is_delimiter(i)
   Call: (198) [system] char_type(i, space)
   Fail: (198) [system] char_type(i, space)
   Call: (198) [system] arg(_492608, v('(', ')', end_of_file), i)
   Fail: (198) [system] arg(_493540, v('(', ')', end_of_file), i)
^  Fail: (197) [user] is_delimiter(i)
   Call: (197) [system] ')'==i
   Fail: (197) [system] ')'==i
   Call: (197) [system] get_char((0x563acd73bee0), i)
   Exit: (197) [system] get_char((0x563acd73bee0), i)
   Call: (197) [system] i=(\)
   Fail: (197) [system] i=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _500890)
   Call: (198) [system] peek_char((0x563acd73bee0), _501824)
   Exit: (198) [system] peek_char((0x563acd73bee0), v)
^  Call: (198) [user] is_delimiter(v)
   Call: (199) [system] char_type(v, space)
   Fail: (199) [system] char_type(v, space)
   Call: (199) [system] arg(_506544, v('(', ')', end_of_file), v)
   Fail: (199) [system] arg(_507476, v('(', ')', end_of_file), v)
^  Fail: (198) [user] is_delimiter(v)
   Call: (198) [system] ')'==v
   Fail: (198) [system] ')'==v
   Call: (198) [system] get_char((0x563acd73bee0), v)
   Exit: (198) [system] get_char((0x563acd73bee0), v)
   Call: (198) [system] v=(\)
   Fail: (198) [system] v=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _514826)
   Call: (199) [system] peek_char((0x563acd73bee0), _515760)
   Exit: (199) [system] peek_char((0x563acd73bee0), e)
^  Call: (199) [user] is_delimiter(e)
   Call: (200) [system] char_type(e, space)
   Fail: (200) [system] char_type(e, space)
   Call: (200) [system] arg(_520480, v('(', ')', end_of_file), e)
   Fail: (200) [system] arg(_521412, v('(', ')', end_of_file), e)
^  Fail: (199) [user] is_delimiter(e)
   Call: (199) [system] ')'==e
   Fail: (199) [system] ')'==e
   Call: (199) [system] get_char((0x563acd73bee0), e)
   Exit: (199) [system] get_char((0x563acd73bee0), e)
   Call: (199) [system] e=(\)
   Fail: (199) [system] e=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _528762)
   Call: (200) [system] peek_char((0x563acd73bee0), _529696)
   Exit: (200) [system] peek_char((0x563acd73bee0), 'S')
^  Call: (200) [user] is_delimiter('S')
   Call: (201) [system] char_type('S', space)
   Fail: (201) [system] char_type('S', space)
   Call: (201) [system] arg(_534416, v('(', ')', end_of_file), 'S')
   Fail: (201) [system] arg(_535348, v('(', ')', end_of_file), 'S')
^  Fail: (200) [user] is_delimiter('S')
   Call: (200) [system] ')'=='S'
   Fail: (200) [system] ')'=='S'
   Call: (200) [system] get_char((0x563acd73bee0), 'S')
   Exit: (200) [system] get_char((0x563acd73bee0), 'S')
   Call: (200) [system] 'S'=(\)
   Fail: (200) [system] 'S'=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _542698)
   Call: (201) [system] peek_char((0x563acd73bee0), _543632)
   Exit: (201) [system] peek_char((0x563acd73bee0), y)
^  Call: (201) [user] is_delimiter(y)
   Call: (202) [system] char_type(y, space)
   Fail: (202) [system] char_type(y, space)
   Call: (202) [system] arg(_548352, v('(', ')', end_of_file), y)
   Fail: (202) [system] arg(_549284, v('(', ')', end_of_file), y)
^  Fail: (201) [user] is_delimiter(y)
   Call: (201) [system] ')'==y
   Fail: (201) [system] ')'==y
   Call: (201) [system] get_char((0x563acd73bee0), y)
   Exit: (201) [system] get_char((0x563acd73bee0), y)
   Call: (201) [system] y=(\)
   Fail: (201) [system] y=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _556634)
   Call: (202) [system] peek_char((0x563acd73bee0), _557568)
   Exit: (202) [system] peek_char((0x563acd73bee0), l)
^  Call: (202) [user] is_delimiter(l)
   Call: (203) [system] char_type(l, space)
   Fail: (203) [system] char_type(l, space)
   Call: (203) [system] arg(_562288, v('(', ')', end_of_file), l)
   Fail: (203) [system] arg(_563220, v('(', ')', end_of_file), l)
^  Fail: (202) [user] is_delimiter(l)
   Call: (202) [system] ')'==l
   Fail: (202) [system] ')'==l
   Call: (202) [system] get_char((0x563acd73bee0), l)
   Exit: (202) [system] get_char((0x563acd73bee0), l)
   Call: (202) [system] l=(\)
   Fail: (202) [system] l=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _570570)
   Call: (203) [system] peek_char((0x563acd73bee0), _571504)
   Exit: (203) [system] peek_char((0x563acd73bee0), l)
^  Call: (203) [user] is_delimiter(l)
   Call: (204) [system] char_type(l, space)
   Fail: (204) [system] char_type(l, space)
   Call: (204) [system] arg(_576224, v('(', ')', end_of_file), l)
   Fail: (204) [system] arg(_577156, v('(', ')', end_of_file), l)
^  Fail: (203) [user] is_delimiter(l)
   Call: (203) [system] ')'==l
   Fail: (203) [system] ')'==l
   Call: (203) [system] get_char((0x563acd73bee0), l)
   Exit: (203) [system] get_char((0x563acd73bee0), l)
   Call: (203) [system] l=(\)
   Fail: (203) [system] l=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _584506)
   Call: (204) [system] peek_char((0x563acd73bee0), _585440)
   Exit: (204) [system] peek_char((0x563acd73bee0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_590160, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_591092, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x563acd73bee0), o)
   Exit: (204) [system] get_char((0x563acd73bee0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _598442)
   Call: (205) [system] peek_char((0x563acd73bee0), _599376)
   Exit: (205) [system] peek_char((0x563acd73bee0), g)
^  Call: (205) [user] is_delimiter(g)
   Call: (206) [system] char_type(g, space)
   Fail: (206) [system] char_type(g, space)
   Call: (206) [system] arg(_604096, v('(', ')', end_of_file), g)
   Fail: (206) [system] arg(_605028, v('(', ')', end_of_file), g)
^  Fail: (205) [user] is_delimiter(g)
   Call: (205) [system] ')'==g
   Fail: (205) [system] ')'==g
   Call: (205) [system] get_char((0x563acd73bee0), g)
   Exit: (205) [system] get_char((0x563acd73bee0), g)
   Call: (205) [system] g=(\)
   Fail: (205) [system] g=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _612378)
   Call: (206) [system] peek_char((0x563acd73bee0), _613312)
   Exit: (206) [system] peek_char((0x563acd73bee0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_618032, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_618964, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x563acd73bee0), i)
   Exit: (206) [system] get_char((0x563acd73bee0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _626314)
   Call: (207) [system] peek_char((0x563acd73bee0), _627248)
   Exit: (207) [system] peek_char((0x563acd73bee0), s)
^  Call: (207) [user] is_delimiter(s)
   Call: (208) [system] char_type(s, space)
   Fail: (208) [system] char_type(s, space)
   Call: (208) [system] arg(_631968, v('(', ')', end_of_file), s)
   Fail: (208) [system] arg(_632900, v('(', ')', end_of_file), s)
^  Fail: (207) [user] is_delimiter(s)
   Call: (207) [system] ')'==s
   Fail: (207) [system] ')'==s
   Call: (207) [system] get_char((0x563acd73bee0), s)
   Exit: (207) [system] get_char((0x563acd73bee0), s)
   Call: (207) [system] s=(\)
   Fail: (207) [system] s=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _640250)
   Call: (208) [system] peek_char((0x563acd73bee0), _641184)
   Exit: (208) [system] peek_char((0x563acd73bee0), m)
^  Call: (208) [user] is_delimiter(m)
   Call: (209) [system] char_type(m, space)
   Fail: (209) [system] char_type(m, space)
   Call: (209) [system] arg(_645904, v('(', ')', end_of_file), m)
   Fail: (209) [system] arg(_646836, v('(', ')', end_of_file), m)
^  Fail: (208) [user] is_delimiter(m)
   Call: (208) [system] ')'==m
   Fail: (208) [system] ')'==m
   Call: (208) [system] get_char((0x563acd73bee0), m)
   Exit: (208) [system] get_char((0x563acd73bee0), m)
   Call: (208) [system] m=(\)
   Fail: (208) [system] m=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _654186)
   Call: (209) [system] peek_char((0x563acd73bee0), _655120)
   Exit: (209) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _654186=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (208) [system] _640250=[m]
   Exit: (208) [system] [m]=[m]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [m])
   Call: (207) [system] _626314=[s, m]
   Exit: (207) [system] [s, m]=[s, m]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, m])
   Call: (206) [system] _612378=[i, s, m]
   Exit: (206) [system] [i, s, m]=[i, s, m]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, m])
   Call: (205) [system] _598442=[g, i, s, m]
   Exit: (205) [system] [g, i, s, m]=[g, i, s, m]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [g, i, s, m])
   Call: (204) [system] _584506=[o, g, i, s, m]
   Exit: (204) [system] [o, g, i, s, m]=[o, g, i, s, m]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, g, i, s, m])
   Call: (203) [system] _570570=[l, o, g, i, s, m]
   Exit: (203) [system] [l, o, g, i, s, m]=[l, o, g, i, s, m]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, o, g, i, s, m])
   Call: (202) [system] _556634=[l, l, o, g, i, s, m]
   Exit: (202) [system] [l, l, o, g, i, s, m]=[l, l, o, g, i, s, m]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, l, o, g, i, s, m])
   Call: (201) [system] _542698=[y, l, l, o, g, i, s, m]
   Exit: (201) [system] [y, l, l, o, g, i, s, m]=[y, l, l, o, g, i, s, m]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [y, l, l, o, g, i, s, m])
   Call: (200) [system] _528762=['S', y, l, l, o, g, i, s, m]
   Exit: (200) [system] ['S', y, l, l, o, g, i, s, m]=['S', y, l, l, o, g, i, s, m]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), ['S', y, l, l, o, g, i, s, m])
   Call: (199) [system] _514826=[e, 'S', y, l, l, o, g, i, s, m]
   Exit: (199) [system] [e, 'S', y, l, l, o, g, i, s, m]=[e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, 'S', y, l, l, o, g, i, s, m])
   Call: (198) [system] _500890=[v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (198) [system] [v, e, 'S', y, l, l, o, g, i, s, m]=[v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (197) [system] _486954=[i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (197) [system] [i, v, e, 'S', y, l, l, o, g, i, s, m]=[i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (196) [system] _473018=[t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (196) [system] [t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (195) [system] _459082=[c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (195) [system] [c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (194) [system] _445146=[n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (194) [system] [n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (193) [system] _431210=[u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (193) [system] [u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (192) [system] _417274=[j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (192) [system] [j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (191) [system] _403338=[s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (191) [system] [s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (190) [system] _389402=[i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (190) [system] [i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
^  Call: (189) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m], _353892)
^  Call: (190) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m], _717490)
^  Call: (192) [system] setup_call_cleanup('$notrace'(_718442, _718444), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m], _717490), _718424, fail)), '$restore_trace'(_718442, _718444))
^  Call: (193) [system] sig_atomic(system:'$notrace'(_718442, _718444))
^  Exit: (192) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m], _717490), _718424, fail)), system:'$restore_trace'(3, -1))
   Call: (191) [system] atomic(_717490)
   Fail: (191) [system] atomic(_717490)
   Call: (191) [system] atom_chars(_717490, ['D', i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Exit: (191) [system] atom_chars('DisjunctiveSyllogism', ['D', i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
^  Exit: (190) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m], 'DisjunctiveSyllogism')
   Call: (190) [system] integer('DisjunctiveSyllogism')
   Fail: (190) [system] integer('DisjunctiveSyllogism')
   Call: (190) [system] _353892='DisjunctiveSyllogism'
   Exit: (190) [system] 'DisjunctiveSyllogism'='DisjunctiveSyllogism'
^  Exit: (189) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m], 'DisjunctiveSyllogism')
^  Exit: (188) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'DisjunctiveSyllogism')
^  Exit: (187) [user] cont_sexpr(')', (0x563acd73bee0), 'DisjunctiveSyllogism')
^  Call: (187) [user] read_list(')', (0x563acd73bee0), _732440)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _734298)
   Exit: (189) [system] peek_char((0x563acd73bee0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x563acd73bee0), _743892)
   Exit: (189) [system] get_char((0x563acd73bee0), ' ')
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _746596)
   Exit: (190) [system] peek_char((0x563acd73bee0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _763530)
   Exit: (188) [system] peek_char((0x563acd73bee0), '(')
   Call: (188) [system] '('=')'
   Fail: (188) [system] '('=')'
   Call: (188) [system] '('=end_of_file
   Fail: (188) [system] '('=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x563acd73bee0), _769100)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _770958)
   Exit: (190) [system] peek_char((0x563acd73bee0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] get_char((0x563acd73bee0), _786968)
   Exit: (189) [system] get_char((0x563acd73bee0), '(')
   Call: (189) [system] '('='('
   Exit: (189) [system] '('='('
^  Call: (189) [user] read_list(')', (0x563acd73bee0), _769100)
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _792538)
   Exit: (191) [system] peek_char((0x563acd73bee0), -)
   Call: (191) [system] (-)=(;)
   Fail: (191) [system] (-)=(;)
   Call: (191) [system] (-)=(/)
   Fail: (191) [system] (-)=(/)
^  Call: (191) [user] is_like_space(-)
   Call: (192) [system] char_type(-, 'white')
   Fail: (192) [system] char_type(-, 'white')
   Call: (192) [system] char_type(-, end_of_line)
   Fail: (192) [system] char_type(-, end_of_line)
   Call: (192) [system] char_type(-, space)
   Fail: (192) [system] char_type(-, space)
   Call: (192) [system] char_type(-, cntrl)
   Fail: (192) [system] char_type(-, cntrl)
^  Fail: (191) [user] is_like_space(-)
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _808548)
   Exit: (190) [system] peek_char((0x563acd73bee0), -)
   Call: (190) [system] (-)=')'
   Fail: (190) [system] (-)=')'
   Call: (190) [system] (-)=end_of_file
   Fail: (190) [system] (-)=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x563acd73bee0), _814118)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _815976)
   Exit: (192) [system] peek_char((0x563acd73bee0), -)
   Call: (192) [system] (-)=(;)
   Fail: (192) [system] (-)=(;)
   Call: (192) [system] (-)=(/)
   Fail: (192) [system] (-)=(/)
^  Call: (192) [user] is_like_space(-)
   Call: (193) [system] char_type(-, 'white')
   Fail: (193) [system] char_type(-, 'white')
   Call: (193) [system] char_type(-, end_of_line)
   Fail: (193) [system] char_type(-, end_of_line)
   Call: (193) [system] char_type(-, space)
   Fail: (193) [system] char_type(-, space)
   Call: (193) [system] char_type(-, cntrl)
   Fail: (193) [system] char_type(-, cntrl)
^  Fail: (192) [user] is_like_space(-)
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] get_char((0x563acd73bee0), _831986)
   Exit: (191) [system] get_char((0x563acd73bee0), -)
   Call: (191) [system] (-)='('
   Fail: (191) [system] (-)='('
   Call: (191) [system] (-)='['
   Fail: (191) [system] (-)='['
   Call: (191) [system] (-)='{'
   Fail: (191) [system] (-)='{'
   Call: (191) [system] (-)='"'
   Fail: (191) [system] (-)='"'
   Call: (191) [system] (-)=!
   Fail: (191) [system] (-)=!
   Call: (191) [system] (-)='\''
   Fail: (191) [system] (-)='\''
   Call: (191) [system] (-)='`'
   Fail: (191) [system] (-)='`'
   Call: (191) [system] (-)=end_of_file
   Fail: (191) [system] (-)=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x563acd73bee0), -, _814118)
^  Call: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), _849628)
   Call: (193) [system] peek_char((0x563acd73bee0), _850562)
   Exit: (193) [system] peek_char((0x563acd73bee0), >)
^  Call: (193) [user] is_delimiter(>)
   Call: (194) [system] char_type(>, space)
   Fail: (194) [system] char_type(>, space)
   Call: (194) [system] arg(_855282, v('(', ')', end_of_file), >)
   Fail: (194) [system] arg(_856214, v('(', ')', end_of_file), >)
^  Fail: (193) [user] is_delimiter(>)
   Call: (193) [system] ')'==(>)
   Fail: (193) [system] ')'==(>)
   Call: (193) [system] get_char((0x563acd73bee0), >)
   Exit: (193) [system] get_char((0x563acd73bee0), >)
   Call: (193) [system] (>)=(\)
   Fail: (193) [system] (>)=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _863564)
   Call: (194) [system] peek_char((0x563acd73bee0), _864498)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _863564=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (193) [system] _849628=[>]
   Exit: (193) [system] [>]=[>]
^  Exit: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), [>])
^  Call: (192) [user] classify_and_convert_charseq([-, >], _814118)
^  Call: (193) [user] classify_and_convert_charseq_([-, >], _876576)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_877528, _877530), once(user:catch(read_from_chars([-, >], _876576), _877510, fail)), '$restore_trace'(_877528, _877530))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_877528, _877530))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _877510, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(->)
   Exit: (194) [system] atomic(->)
^  Exit: (193) [user] classify_and_convert_charseq_([-, >], ->)
   Call: (193) [system] integer(->)
   Fail: (193) [system] integer(->)
   Call: (193) [system] _814118=(->)
   Exit: (193) [system] (->)=(->)
^  Exit: (192) [user] classify_and_convert_charseq([-, >], ->)
^  Exit: (191) [user] read_symbolic(')', (0x563acd73bee0), -, ->)
^  Exit: (190) [user] cont_sexpr(')', (0x563acd73bee0), ->)
^  Call: (190) [user] read_list(')', (0x563acd73bee0), _889656)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _891514)
   Exit: (192) [system] peek_char((0x563acd73bee0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x563acd73bee0), _901108)
   Exit: (192) [system] get_char((0x563acd73bee0), ' ')
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _903812)
   Exit: (193) [system] peek_char((0x563acd73bee0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _920746)
   Exit: (191) [system] peek_char((0x563acd73bee0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x563acd73bee0), _926316)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _928174)
   Exit: (193) [system] peek_char((0x563acd73bee0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] get_char((0x563acd73bee0), _944184)
   Exit: (192) [system] get_char((0x563acd73bee0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _926316)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _949754)
   Exit: (194) [system] peek_char((0x563acd73bee0), 'O')
   Call: (194) [system] 'O'=(;)
   Fail: (194) [system] 'O'=(;)
   Call: (194) [system] 'O'=(/)
   Fail: (194) [system] 'O'=(/)
^  Call: (194) [user] is_like_space('O')
   Call: (195) [system] char_type('O', 'white')
   Fail: (195) [system] char_type('O', 'white')
   Call: (195) [system] char_type('O', end_of_line)
   Fail: (195) [system] char_type('O', end_of_line)
   Call: (195) [system] char_type('O', space)
   Fail: (195) [system] char_type('O', space)
   Call: (195) [system] char_type('O', cntrl)
   Fail: (195) [system] char_type('O', cntrl)
^  Fail: (194) [user] is_like_space('O')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _965764)
   Exit: (193) [system] peek_char((0x563acd73bee0), 'O')
   Call: (193) [system] 'O'=')'
   Fail: (193) [system] 'O'=')'
   Call: (193) [system] 'O'=end_of_file
   Fail: (193) [system] 'O'=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x563acd73bee0), _971334)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _973192)
   Exit: (195) [system] peek_char((0x563acd73bee0), 'O')
   Call: (195) [system] 'O'=(;)
   Fail: (195) [system] 'O'=(;)
   Call: (195) [system] 'O'=(/)
   Fail: (195) [system] 'O'=(/)
^  Call: (195) [user] is_like_space('O')
   Call: (196) [system] char_type('O', 'white')
   Fail: (196) [system] char_type('O', 'white')
   Call: (196) [system] char_type('O', end_of_line)
   Fail: (196) [system] char_type('O', end_of_line)
   Call: (196) [system] char_type('O', space)
   Fail: (196) [system] char_type('O', space)
   Call: (196) [system] char_type('O', cntrl)
   Fail: (196) [system] char_type('O', cntrl)
^  Fail: (195) [user] is_like_space('O')
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] get_char((0x563acd73bee0), _989202)
   Exit: (194) [system] get_char((0x563acd73bee0), 'O')
   Call: (194) [system] 'O'='('
   Fail: (194) [system] 'O'='('
   Call: (194) [system] 'O'='['
   Fail: (194) [system] 'O'='['
   Call: (194) [system] 'O'='{'
   Fail: (194) [system] 'O'='{'
   Call: (194) [system] 'O'='"'
   Fail: (194) [system] 'O'='"'
   Call: (194) [system] 'O'=!
   Fail: (194) [system] 'O'=!
   Call: (194) [system] 'O'='\''
   Fail: (194) [system] 'O'='\''
   Call: (194) [system] 'O'='`'
   Fail: (194) [system] 'O'='`'
   Call: (194) [system] 'O'=end_of_file
   Fail: (194) [system] 'O'=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x563acd73bee0), 'O', _971334)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _1006844)
   Call: (196) [system] peek_char((0x563acd73bee0), _1007778)
   Exit: (196) [system] peek_char((0x563acd73bee0), r)
^  Call: (196) [user] is_delimiter(r)
   Call: (197) [system] char_type(r, space)
   Fail: (197) [system] char_type(r, space)
   Call: (197) [system] arg(_1012498, v('(', ')', end_of_file), r)
   Fail: (197) [system] arg(_1013430, v('(', ')', end_of_file), r)
^  Fail: (196) [user] is_delimiter(r)
   Call: (196) [system] ')'==r
   Fail: (196) [system] ')'==r
   Call: (196) [system] get_char((0x563acd73bee0), r)
   Exit: (196) [system] get_char((0x563acd73bee0), r)
   Call: (196) [system] r=(\)
   Fail: (196) [system] r=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _1020780)
   Call: (197) [system] peek_char((0x563acd73bee0), _1021714)
   Exit: (197) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (197) [user] is_delimiter('L')
   Call: (198) [system] char_type('L', space)
   Fail: (198) [system] char_type('L', space)
   Call: (198) [system] arg(_1026434, v('(', ')', end_of_file), 'L')
   Fail: (198) [system] arg(_1027366, v('(', ')', end_of_file), 'L')
^  Fail: (197) [user] is_delimiter('L')
   Call: (197) [system] ')'=='L'
   Fail: (197) [system] ')'=='L'
   Call: (197) [system] get_char((0x563acd73bee0), 'L')
   Exit: (197) [system] get_char((0x563acd73bee0), 'L')
   Call: (197) [system] 'L'=(\)
   Fail: (197) [system] 'L'=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _1034716)
   Call: (198) [system] peek_char((0x563acd73bee0), _1035650)
   Exit: (198) [system] peek_char((0x563acd73bee0), i)
^  Call: (198) [user] is_delimiter(i)
   Call: (199) [system] char_type(i, space)
   Fail: (199) [system] char_type(i, space)
   Call: (199) [system] arg(_1040370, v('(', ')', end_of_file), i)
   Fail: (199) [system] arg(_1041302, v('(', ')', end_of_file), i)
^  Fail: (198) [user] is_delimiter(i)
   Call: (198) [system] ')'==i
   Fail: (198) [system] ')'==i
   Call: (198) [system] get_char((0x563acd73bee0), i)
   Exit: (198) [system] get_char((0x563acd73bee0), i)
   Call: (198) [system] i=(\)
   Fail: (198) [system] i=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _1048652)
   Call: (199) [system] peek_char((0x563acd73bee0), _1049586)
   Exit: (199) [system] peek_char((0x563acd73bee0), n)
^  Call: (199) [user] is_delimiter(n)
   Call: (200) [system] char_type(n, space)
   Fail: (200) [system] char_type(n, space)
   Call: (200) [system] arg(_1054306, v('(', ')', end_of_file), n)
   Fail: (200) [system] arg(_1055238, v('(', ')', end_of_file), n)
^  Fail: (199) [user] is_delimiter(n)
   Call: (199) [system] ')'==n
   Fail: (199) [system] ')'==n
   Call: (199) [system] get_char((0x563acd73bee0), n)
   Exit: (199) [system] get_char((0x563acd73bee0), n)
   Call: (199) [system] n=(\)
   Fail: (199) [system] n=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _1062588)
   Call: (200) [system] peek_char((0x563acd73bee0), _1063522)
   Exit: (200) [system] peek_char((0x563acd73bee0), k)
^  Call: (200) [user] is_delimiter(k)
   Call: (201) [system] char_type(k, space)
   Fail: (201) [system] char_type(k, space)
   Call: (201) [system] arg(_1068242, v('(', ')', end_of_file), k)
   Fail: (201) [system] arg(_1069174, v('(', ')', end_of_file), k)
^  Fail: (200) [user] is_delimiter(k)
   Call: (200) [system] ')'==k
   Fail: (200) [system] ')'==k
   Call: (200) [system] get_char((0x563acd73bee0), k)
   Exit: (200) [system] get_char((0x563acd73bee0), k)
   Call: (200) [system] k=(\)
   Fail: (200) [system] k=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _1076524)
   Call: (201) [system] peek_char((0x563acd73bee0), _1077458)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (201) [user] is_delimiter(' ')
   Call: (202) [system] char_type(' ', space)
   Exit: (202) [system] char_type(' ', space)
^  Exit: (201) [user] is_delimiter(' ')
   Call: (201) [system] _1076524=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (200) [system] _1062588=[k]
   Exit: (200) [system] [k]=[k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (199) [system] _1048652=[n, k]
   Exit: (199) [system] [n, k]=[n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (198) [system] _1034716=[i, n, k]
   Exit: (198) [system] [i, n, k]=[i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (197) [system] _1020780=['L', i, n, k]
   Exit: (197) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (196) [system] _1006844=[r, 'L', i, n, k]
   Exit: (196) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (195) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _971334)
^  Call: (196) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1100712)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_1101664, _1101666), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1100712), _1101646, fail)), '$restore_trace'(_1101664, _1101666))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_1101664, _1101666))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1100712), _1101646, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(_1100712)
   Fail: (197) [system] atomic(_1100712)
   Call: (197) [system] atom_chars(_1100712, ['O', r, 'L', i, n, k])
   Exit: (197) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (196) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (196) [system] integer('OrLink')
   Fail: (196) [system] integer('OrLink')
   Call: (196) [system] _971334='OrLink'
   Exit: (196) [system] 'OrLink'='OrLink'
^  Exit: (195) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (194) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (193) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _1115662)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1117520)
   Exit: (195) [system] peek_char((0x563acd73bee0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x563acd73bee0), _1127114)
   Exit: (195) [system] get_char((0x563acd73bee0), ' ')
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1129818)
   Exit: (196) [system] peek_char((0x563acd73bee0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1146752)
   Exit: (194) [system] peek_char((0x563acd73bee0), $)
   Call: (194) [system] ($)=')'
   Fail: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x563acd73bee0), _1152322)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1154180)
   Exit: (196) [system] peek_char((0x563acd73bee0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] get_char((0x563acd73bee0), _1170190)
   Exit: (195) [system] get_char((0x563acd73bee0), $)
   Call: (195) [system] ($)='('
   Fail: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Fail: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Fail: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Fail: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Fail: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Fail: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Fail: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x563acd73bee0), $, _1152322)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _1187832)
   Call: (197) [system] peek_char((0x563acd73bee0), _1188766)
   Exit: (197) [system] peek_char((0x563acd73bee0), p)
^  Call: (197) [user] is_delimiter(p)
   Call: (198) [system] char_type(p, space)
   Fail: (198) [system] char_type(p, space)
   Call: (198) [system] arg(_1193486, v('(', ')', end_of_file), p)
   Fail: (198) [system] arg(_1194418, v('(', ')', end_of_file), p)
^  Fail: (197) [user] is_delimiter(p)
   Call: (197) [system] ')'==p
   Fail: (197) [system] ')'==p
   Call: (197) [system] get_char((0x563acd73bee0), p)
   Exit: (197) [system] get_char((0x563acd73bee0), p)
   Call: (197) [system] p=(\)
   Fail: (197) [system] p=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _1201768)
   Call: (198) [system] peek_char((0x563acd73bee0), _1202702)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _1201768=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (197) [system] _1187832=[p]
   Exit: (197) [system] [p]=[p]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [p])
^  Call: (196) [user] classify_and_convert_charseq([$, p], _1152322)
^  Call: (197) [user] classify_and_convert_charseq_([$, p], _1214780)
   Call: (198) [system] atom_chars(_1215712, ['_', p])
   Exit: (198) [system] atom_chars('_p', ['_', p])
^  Exit: (197) [user] classify_and_convert_charseq_([$, p], _p)
   Call: (197) [system] integer(_p)
   Fail: (197) [system] integer(_p)
   Call: (197) [system] _1152322=_p
   Exit: (197) [system] _p=_p
^  Exit: (196) [user] classify_and_convert_charseq([$, p], _p)
^  Exit: (195) [user] read_symbolic(')', (0x563acd73bee0), $, _p)
^  Exit: (194) [user] cont_sexpr(')', (0x563acd73bee0), _p)
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _1225004)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1226862)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x563acd73bee0), _1236456)
   Exit: (196) [system] get_char((0x563acd73bee0), ' ')
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1239160)
   Exit: (197) [system] peek_char((0x563acd73bee0), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
   Call: (197) [system] ($)=(/)
   Fail: (197) [system] ($)=(/)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1256094)
   Exit: (195) [system] peek_char((0x563acd73bee0), $)
   Call: (195) [system] ($)=')'
   Fail: (195) [system] ($)=')'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x563acd73bee0), _1261664)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1263522)
   Exit: (197) [system] peek_char((0x563acd73bee0), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
   Call: (197) [system] ($)=(/)
   Fail: (197) [system] ($)=(/)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] get_char((0x563acd73bee0), _1279532)
   Exit: (196) [system] get_char((0x563acd73bee0), $)
   Call: (196) [system] ($)='('
   Fail: (196) [system] ($)='('
   Call: (196) [system] ($)='['
   Fail: (196) [system] ($)='['
   Call: (196) [system] ($)='{'
   Fail: (196) [system] ($)='{'
   Call: (196) [system] ($)='"'
   Fail: (196) [system] ($)='"'
   Call: (196) [system] ($)=!
   Fail: (196) [system] ($)=!
   Call: (196) [system] ($)='\''
   Fail: (196) [system] ($)='\''
   Call: (196) [system] ($)='`'
   Fail: (196) [system] ($)='`'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x563acd73bee0), $, _1261664)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _1297174)
   Call: (198) [system] peek_char((0x563acd73bee0), _1298108)
   Exit: (198) [system] peek_char((0x563acd73bee0), q)
^  Call: (198) [user] is_delimiter(q)
   Call: (199) [system] char_type(q, space)
   Fail: (199) [system] char_type(q, space)
   Call: (199) [system] arg(_1302828, v('(', ')', end_of_file), q)
   Fail: (199) [system] arg(_1303760, v('(', ')', end_of_file), q)
^  Fail: (198) [user] is_delimiter(q)
   Call: (198) [system] ')'==q
   Fail: (198) [system] ')'==q
   Call: (198) [system] get_char((0x563acd73bee0), q)
   Exit: (198) [system] get_char((0x563acd73bee0), q)
   Call: (198) [system] q=(\)
   Fail: (198) [system] q=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _1311110)
   Call: (199) [system] peek_char((0x563acd73bee0), _1312044)
   Exit: (199) [system] peek_char((0x563acd73bee0), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_1316764, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _1311110=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (198) [system] _1297174=[q]
   Exit: (198) [system] [q]=[q]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [q])
^  Call: (197) [user] classify_and_convert_charseq([$, q], _1261664)
^  Call: (198) [user] classify_and_convert_charseq_([$, q], _1325994)
   Call: (199) [system] atom_chars(_1326926, ['_', q])
   Exit: (199) [system] atom_chars('_q', ['_', q])
^  Exit: (198) [user] classify_and_convert_charseq_([$, q], _q)
   Call: (198) [system] integer(_q)
   Fail: (198) [system] integer(_q)
   Call: (198) [system] _1261664=_q
   Exit: (198) [system] _q=_q
^  Exit: (197) [user] classify_and_convert_charseq([$, q], _q)
^  Exit: (196) [user] read_symbolic(')', (0x563acd73bee0), $, _q)
^  Exit: (195) [user] cont_sexpr(')', (0x563acd73bee0), _q)
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _1336218)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1338076)
   Exit: (197) [system] peek_char((0x563acd73bee0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1354086)
   Exit: (196) [system] peek_char((0x563acd73bee0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x563acd73bee0), _1357876)
   Exit: (196) [system] get_char((0x563acd73bee0), ')')
   Call: (196) [system] _1336218=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), [])
   Call: (195) [system] _1225004=[_q]
   Exit: (195) [system] [_q]=[_q]
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), [_q])
   Call: (194) [system] _1115662=[_p, _q]
   Exit: (194) [system] [_p, _q]=[_p, _q]
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), [_p, _q])
   Call: (193) [system] _926316=['OrLink', _p, _q]
   Exit: (193) [system] ['OrLink', _p, _q]=['OrLink', _p, _q]
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), ['OrLink', _p, _q])
^  Exit: (191) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', _p, _q])
^  Call: (191) [user] read_list(')', (0x563acd73bee0), _1371758)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1373616)
   Exit: (193) [system] peek_char((0x563acd73bee0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x563acd73bee0), _1383210)
   Exit: (193) [system] get_char((0x563acd73bee0), ' ')
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1385914)
   Exit: (194) [system] peek_char((0x563acd73bee0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1402848)
   Exit: (192) [system] peek_char((0x563acd73bee0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x563acd73bee0), _1408418)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1410276)
   Exit: (194) [system] peek_char((0x563acd73bee0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] get_char((0x563acd73bee0), _1426286)
   Exit: (193) [system] get_char((0x563acd73bee0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _1408418)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1431856)
   Exit: (195) [system] peek_char((0x563acd73bee0), 'N')
   Call: (195) [system] 'N'=(;)
   Fail: (195) [system] 'N'=(;)
   Call: (195) [system] 'N'=(/)
   Fail: (195) [system] 'N'=(/)
^  Call: (195) [user] is_like_space('N')
   Call: (196) [system] char_type('N', 'white')
   Fail: (196) [system] char_type('N', 'white')
   Call: (196) [system] char_type('N', end_of_line)
   Fail: (196) [system] char_type('N', end_of_line)
   Call: (196) [system] char_type('N', space)
   Fail: (196) [system] char_type('N', space)
   Call: (196) [system] char_type('N', cntrl)
   Fail: (196) [system] char_type('N', cntrl)
^  Fail: (195) [user] is_like_space('N')
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1447866)
   Exit: (194) [system] peek_char((0x563acd73bee0), 'N')
   Call: (194) [system] 'N'=')'
   Fail: (194) [system] 'N'=')'
   Call: (194) [system] 'N'=end_of_file
   Fail: (194) [system] 'N'=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x563acd73bee0), _1453436)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1455294)
   Exit: (196) [system] peek_char((0x563acd73bee0), 'N')
   Call: (196) [system] 'N'=(;)
   Fail: (196) [system] 'N'=(;)
   Call: (196) [system] 'N'=(/)
   Fail: (196) [system] 'N'=(/)
^  Call: (196) [user] is_like_space('N')
   Call: (197) [system] char_type('N', 'white')
   Fail: (197) [system] char_type('N', 'white')
   Call: (197) [system] char_type('N', end_of_line)
   Fail: (197) [system] char_type('N', end_of_line)
   Call: (197) [system] char_type('N', space)
   Fail: (197) [system] char_type('N', space)
   Call: (197) [system] char_type('N', cntrl)
   Fail: (197) [system] char_type('N', cntrl)
^  Fail: (196) [user] is_like_space('N')
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] get_char((0x563acd73bee0), _1471304)
   Exit: (195) [system] get_char((0x563acd73bee0), 'N')
   Call: (195) [system] 'N'='('
   Fail: (195) [system] 'N'='('
   Call: (195) [system] 'N'='['
   Fail: (195) [system] 'N'='['
   Call: (195) [system] 'N'='{'
   Fail: (195) [system] 'N'='{'
   Call: (195) [system] 'N'='"'
   Fail: (195) [system] 'N'='"'
   Call: (195) [system] 'N'=!
   Fail: (195) [system] 'N'=!
   Call: (195) [system] 'N'='\''
   Fail: (195) [system] 'N'='\''
   Call: (195) [system] 'N'='`'
   Fail: (195) [system] 'N'='`'
   Call: (195) [system] 'N'=end_of_file
   Fail: (195) [system] 'N'=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x563acd73bee0), 'N', _1453436)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _1488946)
   Call: (197) [system] peek_char((0x563acd73bee0), _1489880)
   Exit: (197) [system] peek_char((0x563acd73bee0), o)
^  Call: (197) [user] is_delimiter(o)
   Call: (198) [system] char_type(o, space)
   Fail: (198) [system] char_type(o, space)
   Call: (198) [system] arg(_1494600, v('(', ')', end_of_file), o)
   Fail: (198) [system] arg(_1495532, v('(', ')', end_of_file), o)
^  Fail: (197) [user] is_delimiter(o)
   Call: (197) [system] ')'==o
   Fail: (197) [system] ')'==o
   Call: (197) [system] get_char((0x563acd73bee0), o)
   Exit: (197) [system] get_char((0x563acd73bee0), o)
   Call: (197) [system] o=(\)
   Fail: (197) [system] o=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _1502882)
   Call: (198) [system] peek_char((0x563acd73bee0), _1503816)
   Exit: (198) [system] peek_char((0x563acd73bee0), t)
^  Call: (198) [user] is_delimiter(t)
   Call: (199) [system] char_type(t, space)
   Fail: (199) [system] char_type(t, space)
   Call: (199) [system] arg(_1508536, v('(', ')', end_of_file), t)
   Fail: (199) [system] arg(_1509468, v('(', ')', end_of_file), t)
^  Fail: (198) [user] is_delimiter(t)
   Call: (198) [system] ')'==t
   Fail: (198) [system] ')'==t
   Call: (198) [system] get_char((0x563acd73bee0), t)
   Exit: (198) [system] get_char((0x563acd73bee0), t)
   Call: (198) [system] t=(\)
   Fail: (198) [system] t=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _1516818)
   Call: (199) [system] peek_char((0x563acd73bee0), _1517752)
   Exit: (199) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (199) [user] is_delimiter('L')
   Call: (200) [system] char_type('L', space)
   Fail: (200) [system] char_type('L', space)
   Call: (200) [system] arg(_1522472, v('(', ')', end_of_file), 'L')
   Fail: (200) [system] arg(_1523404, v('(', ')', end_of_file), 'L')
^  Fail: (199) [user] is_delimiter('L')
   Call: (199) [system] ')'=='L'
   Fail: (199) [system] ')'=='L'
   Call: (199) [system] get_char((0x563acd73bee0), 'L')
   Exit: (199) [system] get_char((0x563acd73bee0), 'L')
   Call: (199) [system] 'L'=(\)
   Fail: (199) [system] 'L'=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _1530754)
   Call: (200) [system] peek_char((0x563acd73bee0), _1531688)
   Exit: (200) [system] peek_char((0x563acd73bee0), i)
^  Call: (200) [user] is_delimiter(i)
   Call: (201) [system] char_type(i, space)
   Fail: (201) [system] char_type(i, space)
   Call: (201) [system] arg(_1536408, v('(', ')', end_of_file), i)
   Fail: (201) [system] arg(_1537340, v('(', ')', end_of_file), i)
^  Fail: (200) [user] is_delimiter(i)
   Call: (200) [system] ')'==i
   Fail: (200) [system] ')'==i
   Call: (200) [system] get_char((0x563acd73bee0), i)
   Exit: (200) [system] get_char((0x563acd73bee0), i)
   Call: (200) [system] i=(\)
   Fail: (200) [system] i=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _1544690)
   Call: (201) [system] peek_char((0x563acd73bee0), _1545624)
   Exit: (201) [system] peek_char((0x563acd73bee0), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_1550344, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_1551276, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x563acd73bee0), n)
   Exit: (201) [system] get_char((0x563acd73bee0), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _1558626)
   Call: (202) [system] peek_char((0x563acd73bee0), _1559560)
   Exit: (202) [system] peek_char((0x563acd73bee0), k)
^  Call: (202) [user] is_delimiter(k)
   Call: (203) [system] char_type(k, space)
   Fail: (203) [system] char_type(k, space)
   Call: (203) [system] arg(_1564280, v('(', ')', end_of_file), k)
   Fail: (203) [system] arg(_1565212, v('(', ')', end_of_file), k)
^  Fail: (202) [user] is_delimiter(k)
   Call: (202) [system] ')'==k
   Fail: (202) [system] ')'==k
   Call: (202) [system] get_char((0x563acd73bee0), k)
   Exit: (202) [system] get_char((0x563acd73bee0), k)
   Call: (202) [system] k=(\)
   Fail: (202) [system] k=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1572562)
   Call: (203) [system] peek_char((0x563acd73bee0), _1573496)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _1572562=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (202) [system] _1558626=[k]
   Exit: (202) [system] [k]=[k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (201) [system] _1544690=[n, k]
   Exit: (201) [system] [n, k]=[n, k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (200) [system] _1530754=[i, n, k]
   Exit: (200) [system] [i, n, k]=[i, n, k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (199) [system] _1516818=['L', i, n, k]
   Exit: (199) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (198) [system] _1502882=[t, 'L', i, n, k]
   Exit: (198) [system] [t, 'L', i, n, k]=[t, 'L', i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, 'L', i, n, k])
   Call: (197) [system] _1488946=[o, t, 'L', i, n, k]
   Exit: (197) [system] [o, t, 'L', i, n, k]=[o, t, 'L', i, n, k]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, t, 'L', i, n, k])
^  Call: (196) [user] classify_and_convert_charseq(['N', o, t, 'L', i, n, k], _1453436)
^  Call: (197) [user] classify_and_convert_charseq_(['N', o, t, 'L', i, n, k], _1599544)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_1600496, _1600498), once(user:catch(read_from_chars(['N', o, t, 'L', i, n, k], _1599544), _1600478, fail)), '$restore_trace'(_1600496, _1600498))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_1600496, _1600498))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['N', o, t, 'L', i, n, k], _1599544), _1600478, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(_1599544)
   Fail: (198) [system] atomic(_1599544)
   Call: (198) [system] atom_chars(_1599544, ['N', o, t, 'L', i, n, k])
   Exit: (198) [system] atom_chars('NotLink', ['N', o, t, 'L', i, n, k])
^  Exit: (197) [user] classify_and_convert_charseq_(['N', o, t, 'L', i, n, k], 'NotLink')
   Call: (197) [system] integer('NotLink')
   Fail: (197) [system] integer('NotLink')
   Call: (197) [system] _1453436='NotLink'
   Exit: (197) [system] 'NotLink'='NotLink'
^  Exit: (196) [user] classify_and_convert_charseq(['N', o, t, 'L', i, n, k], 'NotLink')
^  Exit: (195) [user] read_symbolic(')', (0x563acd73bee0), 'N', 'NotLink')
^  Exit: (194) [user] cont_sexpr(')', (0x563acd73bee0), 'NotLink')
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _1614494)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1616352)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x563acd73bee0), _1625946)
   Exit: (196) [system] get_char((0x563acd73bee0), ' ')
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1628650)
   Exit: (197) [system] peek_char((0x563acd73bee0), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
   Call: (197) [system] ($)=(/)
   Fail: (197) [system] ($)=(/)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1645584)
   Exit: (195) [system] peek_char((0x563acd73bee0), $)
   Call: (195) [system] ($)=')'
   Fail: (195) [system] ($)=')'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x563acd73bee0), _1651154)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1653012)
   Exit: (197) [system] peek_char((0x563acd73bee0), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
   Call: (197) [system] ($)=(/)
   Fail: (197) [system] ($)=(/)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] get_char((0x563acd73bee0), _1669022)
   Exit: (196) [system] get_char((0x563acd73bee0), $)
   Call: (196) [system] ($)='('
   Fail: (196) [system] ($)='('
   Call: (196) [system] ($)='['
   Fail: (196) [system] ($)='['
   Call: (196) [system] ($)='{'
   Fail: (196) [system] ($)='{'
   Call: (196) [system] ($)='"'
   Fail: (196) [system] ($)='"'
   Call: (196) [system] ($)=!
   Fail: (196) [system] ($)=!
   Call: (196) [system] ($)='\''
   Fail: (196) [system] ($)='\''
   Call: (196) [system] ($)='`'
   Fail: (196) [system] ($)='`'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x563acd73bee0), $, _1651154)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _1686664)
   Call: (198) [system] peek_char((0x563acd73bee0), _1687598)
   Exit: (198) [system] peek_char((0x563acd73bee0), q)
^  Call: (198) [user] is_delimiter(q)
   Call: (199) [system] char_type(q, space)
   Fail: (199) [system] char_type(q, space)
   Call: (199) [system] arg(_1692318, v('(', ')', end_of_file), q)
   Fail: (199) [system] arg(_1693250, v('(', ')', end_of_file), q)
^  Fail: (198) [user] is_delimiter(q)
   Call: (198) [system] ')'==q
   Fail: (198) [system] ')'==q
   Call: (198) [system] get_char((0x563acd73bee0), q)
   Exit: (198) [system] get_char((0x563acd73bee0), q)
   Call: (198) [system] q=(\)
   Fail: (198) [system] q=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _1700600)
   Call: (199) [system] peek_char((0x563acd73bee0), _1701534)
   Exit: (199) [system] peek_char((0x563acd73bee0), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_1706254, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _1700600=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (198) [system] _1686664=[q]
   Exit: (198) [system] [q]=[q]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [q])
^  Call: (197) [user] classify_and_convert_charseq([$, q], _1651154)
^  Call: (198) [user] classify_and_convert_charseq_([$, q], _1715484)
   Call: (199) [system] atom_chars(_1716416, ['_', q])
   Exit: (199) [system] atom_chars('_q', ['_', q])
^  Exit: (198) [user] classify_and_convert_charseq_([$, q], _q)
   Call: (198) [system] integer(_q)
   Fail: (198) [system] integer(_q)
   Call: (198) [system] _1651154=_q
   Exit: (198) [system] _q=_q
^  Exit: (197) [user] classify_and_convert_charseq([$, q], _q)
^  Exit: (196) [user] read_symbolic(')', (0x563acd73bee0), $, _q)
^  Exit: (195) [user] cont_sexpr(')', (0x563acd73bee0), _q)
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _1725708)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1727566)
   Exit: (197) [system] peek_char((0x563acd73bee0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1743576)
   Exit: (196) [system] peek_char((0x563acd73bee0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x563acd73bee0), _1747366)
   Exit: (196) [system] get_char((0x563acd73bee0), ')')
   Call: (196) [system] _1725708=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), [])
   Call: (195) [system] _1614494=[_q]
   Exit: (195) [system] [_q]=[_q]
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), [_q])
   Call: (194) [system] _1408418=['NotLink', _q]
   Exit: (194) [system] ['NotLink', _q]=['NotLink', _q]
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), ['NotLink', _q])
^  Exit: (192) [user] cont_sexpr(')', (0x563acd73bee0), ['NotLink', _q])
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _1758454)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1760312)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x563acd73bee0), _1769906)
   Exit: (194) [system] get_char((0x563acd73bee0), ' ')
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1772610)
   Exit: (195) [system] peek_char((0x563acd73bee0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1789544)
   Exit: (193) [system] peek_char((0x563acd73bee0), $)
   Call: (193) [system] ($)=')'
   Fail: (193) [system] ($)=')'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x563acd73bee0), _1795114)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1796972)
   Exit: (195) [system] peek_char((0x563acd73bee0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] get_char((0x563acd73bee0), _1812982)
   Exit: (194) [system] get_char((0x563acd73bee0), $)
   Call: (194) [system] ($)='('
   Fail: (194) [system] ($)='('
   Call: (194) [system] ($)='['
   Fail: (194) [system] ($)='['
   Call: (194) [system] ($)='{'
   Fail: (194) [system] ($)='{'
   Call: (194) [system] ($)='"'
   Fail: (194) [system] ($)='"'
   Call: (194) [system] ($)=!
   Fail: (194) [system] ($)=!
   Call: (194) [system] ($)='\''
   Fail: (194) [system] ($)='\''
   Call: (194) [system] ($)='`'
   Fail: (194) [system] ($)='`'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x563acd73bee0), $, _1795114)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _1830624)
   Call: (196) [system] peek_char((0x563acd73bee0), _1831558)
   Exit: (196) [system] peek_char((0x563acd73bee0), p)
^  Call: (196) [user] is_delimiter(p)
   Call: (197) [system] char_type(p, space)
   Fail: (197) [system] char_type(p, space)
   Call: (197) [system] arg(_1836278, v('(', ')', end_of_file), p)
   Fail: (197) [system] arg(_1837210, v('(', ')', end_of_file), p)
^  Fail: (196) [user] is_delimiter(p)
   Call: (196) [system] ')'==p
   Fail: (196) [system] ')'==p
   Call: (196) [system] get_char((0x563acd73bee0), p)
   Exit: (196) [system] get_char((0x563acd73bee0), p)
   Call: (196) [system] p=(\)
   Fail: (196) [system] p=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _1844560)
   Call: (197) [system] peek_char((0x563acd73bee0), _1845494)
   Exit: (197) [system] peek_char((0x563acd73bee0), ')')
^  Call: (197) [user] is_delimiter(')')
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] arg(_1850214, v('(', ')', end_of_file), ')')
   Exit: (198) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (197) [user] is_delimiter(')')
   Call: (197) [system] _1844560=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (196) [system] _1830624=[p]
   Exit: (196) [system] [p]=[p]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [p])
^  Call: (195) [user] classify_and_convert_charseq([$, p], _1795114)
^  Call: (196) [user] classify_and_convert_charseq_([$, p], _1859444)
   Call: (197) [system] atom_chars(_1860376, ['_', p])
   Exit: (197) [system] atom_chars('_p', ['_', p])
^  Exit: (196) [user] classify_and_convert_charseq_([$, p], _p)
   Call: (196) [system] integer(_p)
   Fail: (196) [system] integer(_p)
   Call: (196) [system] _1795114=_p
   Exit: (196) [system] _p=_p
^  Exit: (195) [user] classify_and_convert_charseq([$, p], _p)
^  Exit: (194) [user] read_symbolic(')', (0x563acd73bee0), $, _p)
^  Exit: (193) [user] cont_sexpr(')', (0x563acd73bee0), _p)
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _1869668)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1871526)
   Exit: (195) [system] peek_char((0x563acd73bee0), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
   Call: (195) [system] ')'=(/)
   Fail: (195) [system] ')'=(/)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1887536)
   Exit: (194) [system] peek_char((0x563acd73bee0), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x563acd73bee0), _1891326)
   Exit: (194) [system] get_char((0x563acd73bee0), ')')
   Call: (194) [system] _1869668=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), [])
   Call: (193) [system] _1758454=[_p]
   Exit: (193) [system] [_p]=[_p]
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), [_p])
   Call: (192) [system] _1371758=[['NotLink', _q], _p]
   Exit: (192) [system] [['NotLink', _q], _p]=[['NotLink', _q], _p]
^  Exit: (191) [user] read_list(')', (0x563acd73bee0), [['NotLink', _q], _p])
   Call: (191) [system] _889656=[['OrLink', _p, _q], ['NotLink', _q], _p]
   Exit: (191) [system] [['OrLink', _p, _q], ['NotLink', _q], _p]=[['OrLink', _p, _q], ['NotLink', _q], _p]
^  Exit: (190) [user] read_list(')', (0x563acd73bee0), [['OrLink', _p, _q], ['NotLink', _q], _p])
   Call: (190) [system] _769100=[->, ['OrLink', _p, _q], ['NotLink', _q], _p]
   Exit: (190) [system] [->, ['OrLink', _p, _q], ['NotLink', _q], _p]=[->, ['OrLink', _p, _q], ['NotLink', _q], _p]
^  Exit: (189) [user] read_list(')', (0x563acd73bee0), [->, ['OrLink', _p, _q], ['NotLink', _q], _p])
^  Exit: (188) [user] cont_sexpr(')', (0x563acd73bee0), [->, ['OrLink', _p, _q], ['NotLink', _q], _p])
^  Call: (188) [user] read_list(')', (0x563acd73bee0), _1908002)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1909860)
   Exit: (190) [system] peek_char((0x563acd73bee0), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
   Call: (190) [system] ')'=(/)
   Fail: (190) [system] ')'=(/)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1925870)
   Exit: (189) [system] peek_char((0x563acd73bee0), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x563acd73bee0), _1929660)
   Exit: (189) [system] get_char((0x563acd73bee0), ')')
   Call: (189) [system] _1908002=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x563acd73bee0), [])
   Call: (188) [system] _732440=[[->, ['OrLink', _p, _q], ['NotLink', _q], _p]]
   Exit: (188) [system] [[->, ['OrLink', _p, _q], ['NotLink', _q], _p]]=[[->, ['OrLink', _p, _q], ['NotLink', _q], _p]]
^  Exit: (187) [user] read_list(')', (0x563acd73bee0), [[->, ['OrLink', _p, _q], ['NotLink', _q], _p]])
   Call: (187) [system] _317232=['DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]
   Exit: (187) [system] ['DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]=['DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]
^  Exit: (186) [user] read_list(')', (0x563acd73bee0), ['DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]])
   Call: (186) [system] _213406=[:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]
   Exit: (186) [system] [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]=[:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]
^  Exit: (185) [user] read_list(')', (0x563acd73bee0), [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]])
^  Exit: (184) [user] cont_sexpr(')', (0x563acd73bee0), [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]])
^  Call: (184) [user] read_list(')', (0x563acd73bee0), _1943542)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1945400)
   Exit: (186) [system] peek_char((0x563acd73bee0), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
   Call: (186) [system] ')'=(/)
   Fail: (186) [system] ')'=(/)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _1961410)
   Exit: (185) [system] peek_char((0x563acd73bee0), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x563acd73bee0), _1965200)
   Exit: (185) [system] get_char((0x563acd73bee0), ')')
   Call: (185) [system] _1943542=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x563acd73bee0), [])
   Call: (184) [system] _176746=[[:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]]
   Exit: (184) [system] [[:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]]=[[:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]]
^  Exit: (183) [user] read_list(')', (0x563acd73bee0), [[:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]])
   Call: (183) [system] _3362=[[rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]]
   Exit: (183) [system] [[rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]]=[[rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]]
^  Exit: (182) [user] read_list(')', (0x563acd73bee0), [[rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]])
   Call: (182) [system] _3322=[=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]]
   Exit: (182) [system] [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]]=[=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]]
^  Exit: (181) [user] read_list(')', (0x563acd73bee0), [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]])
^  Exit: (180) [user] cont_sexpr(')', (0x563acd73bee0), [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]])
^  Exit: (179) [user] read_sexpr((0x563acd73bee0), [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]])
^  Call: (179) [user] assertz(metta_file_comment(112, 0, 4506, [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]], '$stream_position'(4506, 112, 0, 4506)))
^  Exit: (179) [user] assertz(metta_file_comment(112, 0, 4506, [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]], '$stream_position'(4506, 112, 0, 4506)))
^  Exit: (177) [system] once(user:(read_position((0x563acd73bee0), 112, 0, 4506, '$stream_position'(4506, 112, 0, 4506)), read_sexpr((0x563acd73bee0), [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]]), assertz(metta_file_comment(112, 0, 4506, [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]], '$stream_position'(4506, 112, 0, 4506)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_1983718, _1983720, _1983722, _1983724, _1983726))
^  Exit: (177) [user] retract(metta_file_comment(59, 0, 1944, '$COMMENT'(";; Binary rule", 59, 0), '$stream_position'(1944, 59, 0, 1944)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; Binary rule", 59, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";; Binary rule", 59, 0), _1986552))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";; Binary rule", 59, 0), _1986552)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";; Binary rule", 59, 0), _1986552)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";; Binary rule", 59, 0), _1989368))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";; Binary rule", 59, 0), _1989368))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";; Binary rule", 59, 0), _1989368)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";; Binary rule", 59, 0), _1992168))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";; Binary rule", 59, 0), _1992168)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";; Binary rule", 59, 0), _1992168)
   Call: (187) [system] var('$COMMENT'(";; Binary rule", 59, 0))
   Call: (187) [system] atom('$COMMENT'(";; Binary rule", 59, 0))
   Call: (187) [system] '$COMMENT'(";; Binary rule", 59, 0)==true
   Call: (187) [system] '$COMMENT'(";; Binary rule", 59, 0)==false
   Call: (187) [system] '$COMMENT'(";; Binary rule", 59, 0)==[_1998688, _1998694]
   Call: (187) [system] is_list('$COMMENT'(";; Binary rule", 59, 0))
   Call: (187) [system] string('$COMMENT'(";; Binary rule", 59, 0))
   Call: (187) [system] compound('$COMMENT'(";; Binary rule", 59, 0))
   Exit: (187) [system] compound('$COMMENT'(";; Binary rule", 59, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";; Binary rule", 59, 0), _2003322, _2003324)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; Binary rule", 59, 0), '$COMMENT', [";; Binary rule", 59, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";; Binary rule", 59, 0], _2007064)
   Call: (188) [apply] apply:maplist_([";; Binary rule", 59, 0], _2007064, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";; Binary rule", _2008944)
   Call: (190) [system] var(";; Binary rule")
   Call: (190) [system] atom(";; Binary rule")
   Call: (190) [system] ";; Binary rule"==true
   Call: (190) [system] ";; Binary rule"==false
   Call: (190) [system] ";; Binary rule"==[_2013586, _2013592]
   Call: (190) [system] is_list(";; Binary rule")
   Call: (190) [system] string(";; Binary rule")
   Exit: (190) [system] string(";; Binary rule")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";; Binary rule")
^  Call: (190) [user] symbol(";; Binary rule")
   Call: (191) [system] atom(";; Binary rule")
   Fail: (191) [system] atom(";; Binary rule")
^  Fail: (190) [user] symbol(";; Binary rule")
   Call: (190) [system] ";; Binary rule"=_2008944
   Exit: (190) [system] ";; Binary rule"=";; Binary rule"
^  Exit: (189) [user] mfix_vars1(";; Binary rule", ";; Binary rule")
   Call: (189) [apply] apply:maplist_([59, 0], _2008946, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(59, _2027466)
   Call: (191) [system] var(59)
   Call: (191) [system] atom(59)
   Call: (191) [system] 59==true
   Call: (191) [system] 59==false
   Call: (191) [system] 59==[_2032108, _2032114]
   Call: (191) [system] is_list(59)
   Call: (191) [system] string(59)
   Call: (191) [system] compound(59)
^  Call: (191) [user] symbol(59)
   Call: (192) [system] atom(59)
   Fail: (192) [system] atom(59)
^  Fail: (191) [user] symbol(59)
   Call: (191) [system] 59=_2027466
   Exit: (191) [system] 59=59
^  Exit: (190) [user] mfix_vars1(59, 59)
   Call: (190) [apply] apply:maplist_([0], _2027468, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _2043232)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_2047874, _2047880]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_2043232
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _2043234, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([59, 0], [59, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";; Binary rule", 59, 0], [";; Binary rule", 59, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";; Binary rule", 59, 0], [";; Binary rule", 59, 0])
   Call: (187) [system] compound_name_arguments(_1992168, '$COMMENT', [";; Binary rule", 59, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; Binary rule", 59, 0), '$COMMENT', [";; Binary rule", 59, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0)))
   Call: (184) [system] '$COMMENT'(";; Binary rule", 59, 0)\=@='$COMMENT'(";; Binary rule", 59, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";; Binary rule", 59, 0), _2072050))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";; Binary rule", 59, 0), _2072050))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";; Binary rule", 59, 0), _2072050)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";; Binary rule", 59, 0), _2074850))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";; Binary rule", 59, 0), _2074850)
^  Call: (186) [user] cons_to_c('$COMMENT'(";; Binary rule", 59, 0), _2074850)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0)))
   Call: (184) [system] '$COMMENT'(";; Binary rule", 59, 0)\=@='$COMMENT'(";; Binary rule", 59, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";; Binary rule", 59, 0), _1986552))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";; Binary rule", 59, 0), _1986552))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";; Binary rule", 59, 0), _1986552)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";; Binary rule", 59, 0), _2088808))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";; Binary rule", 59, 0), _2088808)
^  Call: (186) [user] cons_to_l('$COMMENT'(";; Binary rule", 59, 0), _2088808)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0)))
   Call: (184) [system] '$COMMENT'(";; Binary rule", 59, 0)\=@='$COMMENT'(";; Binary rule", 59, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0)))
   Call: (178) [system] '$COMMENT'(";; Binary rule", 59, 0)\=@='$COMMENT'(";; Binary rule", 59, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";; Binary rule", 59, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";; Binary rule", 59, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";; Binary rule", 59, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";; Binary rule", 59, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";; Binary rule", 59, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";; Binary rule", 59, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";; Binary rule", 59, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";; Binary rule", 59, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";; Binary rule", 59, 0))
^  Exit: (171) [user] read_sform((0x563acd73bee0), '$COMMENT'(";; Binary rule", 59, 0))
^  Exit: (170) [system] once(user:read_sform((0x563acd73bee0), '$COMMENT'(";; Binary rule", 59, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x563acd73bee0), '$COMMENT'(";; Binary rule", 59, 0)))
   Call: (169) [system] '$COMMENT'(";; Binary rule", 59, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";; Binary rule", 59, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1727204596.0891678), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204596.0891678), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Binary rule", 59, 0)), 111]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";; Binary rule", 59, 0), ynthesize_long_1727204587_629323, 111)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1727204596.0891678), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204596.0891678), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Binary rule", 59, 0)), 111]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1727204598.4978094)
   Call: (173) [system] arg(1, t(1727204596.0891678), _3148)
   Exit: (173) [system] arg(1, t(1727204596.0891678), 1727204596.0891678)
   Call: (173) [system] _3158 is 1727204598.4978094-1727204596.0891678
   Exit: (173) [system] 2.4086415767669678 is 1727204598.4978094-1727204596.0891678
   Call: (173) [system] 2.4086415767669678>4
   Fail: (173) [system] 2.4086415767669678>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1727204596.0891678), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204596.0891678), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Binary rule", 59, 0)), 111]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 20)
   Call: (175) [system] atom(20+1)
   Call: (175) [system] set_flag(translated_forms, 21)
   Exit: (175) [system] set_flag(translated_forms, 21)
   Exit: (174) [$syspreds] update_flag(translated_forms, 20, 20+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 20, 20+1))
   Exit: (171) [$syspreds] flag(translated_forms, 20, 20+1)
^  Call: (171) [user] write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";; Binary rule", 59, 0), ynthesize_long_1727204587_629323, 111)
^  Call: (172) [user] format((0x563acd7397e0), "/* ~w */~n", [";; Binary rule"])
^  Exit: (172) [user] format((0x563acd7397e0), "/* ~w */~n", [";; Binary rule"])
^  Exit: (171) [user] write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";; Binary rule", 59, 0), ynthesize_long_1727204587_629323, 111)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1727204596.0891678), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204596.0891678), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Binary rule", 59, 0)), 111]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 20, 20+1), write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";; Binary rule", 59, 0), ynthesize_long_1727204587_629323, 111)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x563acd73bee0))
   Fail: (169) [system] at_end_of_stream((0x563acd73bee0))
^  Call: (169) [user] must_det_ll(line_count((0x563acd73bee0), _3074))
^  Call: (170) [user] once(user:line_count((0x563acd73bee0), _3074))
   Call: (171) [system] line_count((0x563acd73bee0), _3074)
   Exit: (171) [system] line_count((0x563acd73bee0), 112)
^  Exit: (170) [system] once(user:line_count((0x563acd73bee0), 112))
^  Exit: (169) [user] must_det_ll(user:line_count((0x563acd73bee0), 112))
^  Call: (169) [user] must_det_ll(read_sform((0x563acd73bee0), _3084))
^  Call: (170) [user] once(user:read_sform((0x563acd73bee0), _3084))
^  Call: (171) [user] read_sform((0x563acd73bee0), _3084)
   Call: (172) [system] string((0x563acd73bee0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
   Call: (173) [system] string((0x563acd73bee0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), _3084)
   Call: (174) [system] at_end_of_stream((0x563acd73bee0))
   Call: (174) [system] peek_char((0x563acd73bee0), _70168)
   Exit: (174) [system] peek_char((0x563acd73bee0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x563acd73bee0), '\n')
   Exit: (174) [system] get_char((0x563acd73bee0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x563acd73bee0), _3084)
   Call: (175) [system] at_end_of_stream((0x563acd73bee0))
   Call: (175) [system] peek_char((0x563acd73bee0), _77590)
   Exit: (175) [system] peek_char((0x563acd73bee0), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
   Call: (176) [system] string((0x563acd73bee0))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), _3084)
   Call: (177) [system] at_end_of_stream((0x563acd73bee0))
   Call: (177) [system] peek_char((0x563acd73bee0), _85928)
   Exit: (177) [system] peek_char((0x563acd73bee0), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _88714=(0x563acd73bee0)
   Exit: (177) [system] (0x563acd73bee0)=(0x563acd73bee0)
^  Call: (177) [user] once((read_position((0x563acd73bee0), _90582, _90584, _90586, _90588), read_sexpr((0x563acd73bee0), _90600), assertz(metta_file_comment(_90582, _90584, _90586, _90600, _90588))))
^  Call: (179) [user] read_position((0x563acd73bee0), _90582, _90584, _90586, _90588)
   Call: (180) [system] stream_property((0x563acd73bee0), position(_90588))
   Call: (181) [system] nonvar((0x563acd73bee0))
   Exit: (181) [system] nonvar((0x563acd73bee0))
   Call: (181) [system] nonvar(position(_90588))
   Exit: (181) [system] nonvar(position(_90588))
   Exit: (180) [system] stream_property((0x563acd73bee0), position('$stream_position'(4576, 113, 0, 4576)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4576, 113, 0, 4576), _90582)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _100840)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(4576, 113, 0, 4576), _90582)
   Exit: (181) [system] arg(2, '$stream_position'(4576, 113, 0, 4576), 113)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4576, 113, 0, 4576), 113)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4576, 113, 0, 4576), _90584)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _108274)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(4576, 113, 0, 4576), _90584)
   Exit: (181) [system] arg(3, '$stream_position'(4576, 113, 0, 4576), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4576, 113, 0, 4576), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4576, 113, 0, 4576), _90586)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _115708)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(4576, 113, 0, 4576), _90586)
   Exit: (181) [system] arg(1, '$stream_position'(4576, 113, 0, 4576), 4576)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4576, 113, 0, 4576), 4576)
^  Exit: (179) [user] read_position((0x563acd73bee0), 113, 0, 4576, '$stream_position'(4576, 113, 0, 4576))
^  Call: (179) [user] read_sexpr((0x563acd73bee0), _90600)
   Call: (180) [system] string((0x563acd73bee0))
   Fail: (180) [system] string((0x563acd73bee0))
^  Call: (180) [user] cont_sexpr(')', (0x563acd73bee0), _90600)
^  Call: (181) [user] skip_spaces((0x563acd73bee0))
   Call: (182) [system] peek_char((0x563acd73bee0), _125934)
   Exit: (182) [system] peek_char((0x563acd73bee0), '(')
   Call: (182) [system] '('=(;)
   Fail: (182) [system] '('=(;)
   Call: (182) [system] '('=(/)
   Fail: (182) [system] '('=(/)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Fail: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Fail: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Fail: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
   Fail: (183) [system] char_type('(', cntrl)
^  Fail: (182) [user] is_like_space('(')
^  Exit: (181) [user] skip_spaces((0x563acd73bee0))
   Call: (181) [system] get_char((0x563acd73bee0), _141944)
   Exit: (181) [system] get_char((0x563acd73bee0), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x563acd73bee0), _90600)
^  Call: (182) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] peek_char((0x563acd73bee0), _147514)
   Exit: (183) [system] peek_char((0x563acd73bee0), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
   Call: (183) [system] (=)=(/)
   Fail: (183) [system] (=)=(/)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x563acd73bee0))
   Call: (182) [system] peek_char((0x563acd73bee0), _163524)
   Exit: (182) [system] peek_char((0x563acd73bee0), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x563acd73bee0), _169094)
^  Call: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _170952)
   Exit: (184) [system] peek_char((0x563acd73bee0), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
   Call: (184) [system] (=)=(/)
   Fail: (184) [system] (=)=(/)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] get_char((0x563acd73bee0), _186962)
   Exit: (183) [system] get_char((0x563acd73bee0), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x563acd73bee0), =, _169094)
^  Call: (184) [user] read_symbolic_cont(')', (0x563acd73bee0), _204604)
   Call: (185) [system] peek_char((0x563acd73bee0), _205538)
   Exit: (185) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _204604=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (184) [user] classify_and_convert_charseq([=], _169094)
^  Call: (185) [user] classify_and_convert_charseq_([=], _214822)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_215774, _215776), once(user:catch(read_from_chars([=], _214822), _215756, fail)), '$restore_trace'(_215774, _215776))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_215774, _215776))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _215756, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(=)
   Exit: (186) [system] atomic(=)
^  Exit: (185) [user] classify_and_convert_charseq_([=], =)
   Call: (185) [system] integer(=)
   Fail: (185) [system] integer(=)
   Call: (185) [system] _169094=(=)
   Exit: (185) [system] (=)=(=)
^  Exit: (184) [user] classify_and_convert_charseq([=], =)
^  Exit: (183) [user] read_symbolic(')', (0x563acd73bee0), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x563acd73bee0), =)
^  Call: (182) [user] read_list(')', (0x563acd73bee0), _227902)
^  Call: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _229760)
   Exit: (184) [system] peek_char((0x563acd73bee0), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
   Call: (184) [system] ' '=(/)
   Fail: (184) [system] ' '=(/)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x563acd73bee0), _239354)
   Exit: (184) [system] get_char((0x563acd73bee0), ' ')
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _242058)
   Exit: (185) [system] peek_char((0x563acd73bee0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
^  Exit: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] peek_char((0x563acd73bee0), _258992)
   Exit: (183) [system] peek_char((0x563acd73bee0), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x563acd73bee0), _264562)
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _266420)
   Exit: (185) [system] peek_char((0x563acd73bee0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] get_char((0x563acd73bee0), _282430)
   Exit: (184) [system] get_char((0x563acd73bee0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x563acd73bee0), _264562)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _288000)
   Exit: (186) [system] peek_char((0x563acd73bee0), r)
   Call: (186) [system] r=(;)
   Fail: (186) [system] r=(;)
   Call: (186) [system] r=(/)
   Fail: (186) [system] r=(/)
^  Call: (186) [user] is_like_space(r)
   Call: (187) [system] char_type(r, 'white')
   Fail: (187) [system] char_type(r, 'white')
   Call: (187) [system] char_type(r, end_of_line)
   Fail: (187) [system] char_type(r, end_of_line)
   Call: (187) [system] char_type(r, space)
   Fail: (187) [system] char_type(r, space)
   Call: (187) [system] char_type(r, cntrl)
   Fail: (187) [system] char_type(r, cntrl)
^  Fail: (186) [user] is_like_space(r)
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _304010)
   Exit: (185) [system] peek_char((0x563acd73bee0), r)
   Call: (185) [system] r=')'
   Fail: (185) [system] r=')'
   Call: (185) [system] r=end_of_file
   Fail: (185) [system] r=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x563acd73bee0), _309580)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _311438)
   Exit: (187) [system] peek_char((0x563acd73bee0), r)
   Call: (187) [system] r=(;)
   Fail: (187) [system] r=(;)
   Call: (187) [system] r=(/)
   Fail: (187) [system] r=(/)
^  Call: (187) [user] is_like_space(r)
   Call: (188) [system] char_type(r, 'white')
   Fail: (188) [system] char_type(r, 'white')
   Call: (188) [system] char_type(r, end_of_line)
   Fail: (188) [system] char_type(r, end_of_line)
   Call: (188) [system] char_type(r, space)
   Fail: (188) [system] char_type(r, space)
   Call: (188) [system] char_type(r, cntrl)
   Fail: (188) [system] char_type(r, cntrl)
^  Fail: (187) [user] is_like_space(r)
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] get_char((0x563acd73bee0), _327448)
   Exit: (186) [system] get_char((0x563acd73bee0), r)
   Call: (186) [system] r='('
   Fail: (186) [system] r='('
   Call: (186) [system] r='['
   Fail: (186) [system] r='['
   Call: (186) [system] r='{'
   Fail: (186) [system] r='{'
   Call: (186) [system] r='"'
   Fail: (186) [system] r='"'
   Call: (186) [system] r=!
   Fail: (186) [system] r=!
   Call: (186) [system] r='\''
   Fail: (186) [system] r='\''
   Call: (186) [system] r='`'
   Fail: (186) [system] r='`'
   Call: (186) [system] r=end_of_file
   Fail: (186) [system] r=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x563acd73bee0), r, _309580)
^  Call: (187) [user] read_symbolic_cont(')', (0x563acd73bee0), _345090)
   Call: (188) [system] peek_char((0x563acd73bee0), _346024)
   Exit: (188) [system] peek_char((0x563acd73bee0), b)
^  Call: (188) [user] is_delimiter(b)
   Call: (189) [system] char_type(b, space)
   Fail: (189) [system] char_type(b, space)
   Call: (189) [system] arg(_350744, v('(', ')', end_of_file), b)
   Fail: (189) [system] arg(_351676, v('(', ')', end_of_file), b)
^  Fail: (188) [user] is_delimiter(b)
   Call: (188) [system] ')'==b
   Fail: (188) [system] ')'==b
   Call: (188) [system] get_char((0x563acd73bee0), b)
   Exit: (188) [system] get_char((0x563acd73bee0), b)
   Call: (188) [system] b=(\)
   Fail: (188) [system] b=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), _359026)
   Call: (189) [system] peek_char((0x563acd73bee0), _359960)
   Exit: (189) [system] peek_char((0x563acd73bee0), ')')
^  Call: (189) [user] is_delimiter(')')
   Call: (190) [system] char_type(')', space)
   Fail: (190) [system] char_type(')', space)
   Call: (190) [system] arg(_364680, v('(', ')', end_of_file), ')')
   Exit: (190) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (189) [user] is_delimiter(')')
   Call: (189) [system] _359026=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (188) [system] _345090=[b]
   Exit: (188) [system] [b]=[b]
^  Exit: (187) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
^  Call: (187) [user] classify_and_convert_charseq([r, b], _309580)
^  Call: (188) [user] classify_and_convert_charseq_([r, b], _373910)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_374862, _374864), once(user:catch(read_from_chars([r, b], _373910), _374844, fail)), '$restore_trace'(_374862, _374864))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_374862, _374864))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([r, b], rb), _374844, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(rb)
   Exit: (189) [system] atomic(rb)
^  Exit: (188) [user] classify_and_convert_charseq_([r, b], rb)
   Call: (188) [system] integer(rb)
   Fail: (188) [system] integer(rb)
   Call: (188) [system] _309580=rb
   Exit: (188) [system] rb=rb
^  Exit: (187) [user] classify_and_convert_charseq([r, b], rb)
^  Exit: (186) [user] read_symbolic(')', (0x563acd73bee0), r, rb)
^  Exit: (185) [user] cont_sexpr(')', (0x563acd73bee0), rb)
^  Call: (185) [user] read_list(')', (0x563acd73bee0), _386990)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _388848)
   Exit: (187) [system] peek_char((0x563acd73bee0), ')')
   Call: (187) [system] ')'=(;)
   Fail: (187) [system] ')'=(;)
   Call: (187) [system] ')'=(/)
   Fail: (187) [system] ')'=(/)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Fail: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Fail: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Fail: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
   Fail: (188) [system] char_type(')', cntrl)
^  Fail: (187) [user] is_like_space(')')
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _404858)
   Exit: (186) [system] peek_char((0x563acd73bee0), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x563acd73bee0), _408648)
   Exit: (186) [system] get_char((0x563acd73bee0), ')')
   Call: (186) [system] _386990=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x563acd73bee0), [])
   Call: (185) [system] _264562=[rb]
   Exit: (185) [system] [rb]=[rb]
^  Exit: (184) [user] read_list(')', (0x563acd73bee0), [rb])
^  Exit: (183) [user] cont_sexpr(')', (0x563acd73bee0), [rb])
^  Call: (183) [user] read_list(')', (0x563acd73bee0), _416942)
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _418800)
   Exit: (185) [system] peek_char((0x563acd73bee0), ' ')
   Call: (185) [system] ' '=(;)
   Fail: (185) [system] ' '=(;)
   Call: (185) [system] ' '=(/)
   Fail: (185) [system] ' '=(/)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x563acd73bee0), _428394)
   Exit: (185) [system] get_char((0x563acd73bee0), ' ')
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _431098)
   Exit: (186) [system] peek_char((0x563acd73bee0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _448032)
   Exit: (184) [system] peek_char((0x563acd73bee0), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x563acd73bee0), _453602)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _455460)
   Exit: (186) [system] peek_char((0x563acd73bee0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] get_char((0x563acd73bee0), _471470)
   Exit: (185) [system] get_char((0x563acd73bee0), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x563acd73bee0), _453602)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _477040)
   Exit: (187) [system] peek_char((0x563acd73bee0), :)
   Call: (187) [system] (:)=(;)
   Fail: (187) [system] (:)=(;)
   Call: (187) [system] (:)=(/)
   Fail: (187) [system] (:)=(/)
^  Call: (187) [user] is_like_space(:)
   Call: (188) [system] char_type(:, 'white')
   Fail: (188) [system] char_type(:, 'white')
   Call: (188) [system] char_type(:, end_of_line)
   Fail: (188) [system] char_type(:, end_of_line)
   Call: (188) [system] char_type(:, space)
   Fail: (188) [system] char_type(:, space)
   Call: (188) [system] char_type(:, cntrl)
   Fail: (188) [system] char_type(:, cntrl)
^  Fail: (187) [user] is_like_space(:)
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _493050)
   Exit: (186) [system] peek_char((0x563acd73bee0), :)
   Call: (186) [system] (:)=')'
   Fail: (186) [system] (:)=')'
   Call: (186) [system] (:)=end_of_file
   Fail: (186) [system] (:)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x563acd73bee0), _498620)
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _500478)
   Exit: (188) [system] peek_char((0x563acd73bee0), :)
   Call: (188) [system] (:)=(;)
   Fail: (188) [system] (:)=(;)
   Call: (188) [system] (:)=(/)
   Fail: (188) [system] (:)=(/)
^  Call: (188) [user] is_like_space(:)
   Call: (189) [system] char_type(:, 'white')
   Fail: (189) [system] char_type(:, 'white')
   Call: (189) [system] char_type(:, end_of_line)
   Fail: (189) [system] char_type(:, end_of_line)
   Call: (189) [system] char_type(:, space)
   Fail: (189) [system] char_type(:, space)
   Call: (189) [system] char_type(:, cntrl)
   Fail: (189) [system] char_type(:, cntrl)
^  Fail: (188) [user] is_like_space(:)
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] get_char((0x563acd73bee0), _516488)
   Exit: (187) [system] get_char((0x563acd73bee0), :)
   Call: (187) [system] (:)='('
   Fail: (187) [system] (:)='('
   Call: (187) [system] (:)='['
   Fail: (187) [system] (:)='['
   Call: (187) [system] (:)='{'
   Fail: (187) [system] (:)='{'
   Call: (187) [system] (:)='"'
   Fail: (187) [system] (:)='"'
   Call: (187) [system] (:)=!
   Fail: (187) [system] (:)=!
   Call: (187) [system] (:)='\''
   Fail: (187) [system] (:)='\''
   Call: (187) [system] (:)='`'
   Fail: (187) [system] (:)='`'
   Call: (187) [system] (:)=end_of_file
   Fail: (187) [system] (:)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x563acd73bee0), :, _498620)
^  Call: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), _534130)
   Call: (189) [system] peek_char((0x563acd73bee0), _535064)
   Exit: (189) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (189) [user] is_delimiter(' ')
   Call: (190) [system] char_type(' ', space)
   Exit: (190) [system] char_type(' ', space)
^  Exit: (189) [user] is_delimiter(' ')
   Call: (189) [system] _534130=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (188) [user] classify_and_convert_charseq([:], _498620)
^  Call: (189) [user] classify_and_convert_charseq_([:], _544348)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_545300, _545302), once(user:catch(read_from_chars([:], _544348), _545282, fail)), '$restore_trace'(_545300, _545302))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_545300, _545302))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _545282, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(:)
   Exit: (190) [system] atomic(:)
^  Exit: (189) [user] classify_and_convert_charseq_([:], :)
   Call: (189) [system] integer(:)
   Fail: (189) [system] integer(:)
   Call: (189) [system] _498620=(:)
   Exit: (189) [system] (:)=(:)
^  Exit: (188) [user] classify_and_convert_charseq([:], :)
^  Exit: (187) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (186) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (186) [user] read_list(')', (0x563acd73bee0), _557428)
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _559286)
   Exit: (188) [system] peek_char((0x563acd73bee0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x563acd73bee0), _568880)
   Exit: (188) [system] get_char((0x563acd73bee0), ' ')
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _571584)
   Exit: (189) [system] peek_char((0x563acd73bee0), 'C')
   Call: (189) [system] 'C'=(;)
   Fail: (189) [system] 'C'=(;)
   Call: (189) [system] 'C'=(/)
   Fail: (189) [system] 'C'=(/)
^  Call: (189) [user] is_like_space('C')
   Call: (190) [system] char_type('C', 'white')
   Fail: (190) [system] char_type('C', 'white')
   Call: (190) [system] char_type('C', end_of_line)
   Fail: (190) [system] char_type('C', end_of_line)
   Call: (190) [system] char_type('C', space)
   Fail: (190) [system] char_type('C', space)
   Call: (190) [system] char_type('C', cntrl)
   Fail: (190) [system] char_type('C', cntrl)
^  Fail: (189) [user] is_like_space('C')
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _588518)
   Exit: (187) [system] peek_char((0x563acd73bee0), 'C')
   Call: (187) [system] 'C'=')'
   Fail: (187) [system] 'C'=')'
   Call: (187) [system] 'C'=end_of_file
   Fail: (187) [system] 'C'=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x563acd73bee0), _594088)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _595946)
   Exit: (189) [system] peek_char((0x563acd73bee0), 'C')
   Call: (189) [system] 'C'=(;)
   Fail: (189) [system] 'C'=(;)
   Call: (189) [system] 'C'=(/)
   Fail: (189) [system] 'C'=(/)
^  Call: (189) [user] is_like_space('C')
   Call: (190) [system] char_type('C', 'white')
   Fail: (190) [system] char_type('C', 'white')
   Call: (190) [system] char_type('C', end_of_line)
   Fail: (190) [system] char_type('C', end_of_line)
   Call: (190) [system] char_type('C', space)
   Fail: (190) [system] char_type('C', space)
   Call: (190) [system] char_type('C', cntrl)
   Fail: (190) [system] char_type('C', cntrl)
^  Fail: (189) [user] is_like_space('C')
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] get_char((0x563acd73bee0), _611956)
   Exit: (188) [system] get_char((0x563acd73bee0), 'C')
   Call: (188) [system] 'C'='('
   Fail: (188) [system] 'C'='('
   Call: (188) [system] 'C'='['
   Fail: (188) [system] 'C'='['
   Call: (188) [system] 'C'='{'
   Fail: (188) [system] 'C'='{'
   Call: (188) [system] 'C'='"'
   Fail: (188) [system] 'C'='"'
   Call: (188) [system] 'C'=!
   Fail: (188) [system] 'C'=!
   Call: (188) [system] 'C'='\''
   Fail: (188) [system] 'C'='\''
   Call: (188) [system] 'C'='`'
   Fail: (188) [system] 'C'='`'
   Call: (188) [system] 'C'=end_of_file
   Fail: (188) [system] 'C'=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x563acd73bee0), 'C', _594088)
^  Call: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), _629598)
   Call: (190) [system] peek_char((0x563acd73bee0), _630532)
   Exit: (190) [system] peek_char((0x563acd73bee0), o)
^  Call: (190) [user] is_delimiter(o)
   Call: (191) [system] char_type(o, space)
   Fail: (191) [system] char_type(o, space)
   Call: (191) [system] arg(_635252, v('(', ')', end_of_file), o)
   Fail: (191) [system] arg(_636184, v('(', ')', end_of_file), o)
^  Fail: (190) [user] is_delimiter(o)
   Call: (190) [system] ')'==o
   Fail: (190) [system] ')'==o
   Call: (190) [system] get_char((0x563acd73bee0), o)
   Exit: (190) [system] get_char((0x563acd73bee0), o)
   Call: (190) [system] o=(\)
   Fail: (190) [system] o=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), _643534)
   Call: (191) [system] peek_char((0x563acd73bee0), _644468)
   Exit: (191) [system] peek_char((0x563acd73bee0), n)
^  Call: (191) [user] is_delimiter(n)
   Call: (192) [system] char_type(n, space)
   Fail: (192) [system] char_type(n, space)
   Call: (192) [system] arg(_649188, v('(', ')', end_of_file), n)
   Fail: (192) [system] arg(_650120, v('(', ')', end_of_file), n)
^  Fail: (191) [user] is_delimiter(n)
   Call: (191) [system] ')'==n
   Fail: (191) [system] ')'==n
   Call: (191) [system] get_char((0x563acd73bee0), n)
   Exit: (191) [system] get_char((0x563acd73bee0), n)
   Call: (191) [system] n=(\)
   Fail: (191) [system] n=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), _657470)
   Call: (192) [system] peek_char((0x563acd73bee0), _658404)
   Exit: (192) [system] peek_char((0x563acd73bee0), j)
^  Call: (192) [user] is_delimiter(j)
   Call: (193) [system] char_type(j, space)
   Fail: (193) [system] char_type(j, space)
   Call: (193) [system] arg(_663124, v('(', ')', end_of_file), j)
   Fail: (193) [system] arg(_664056, v('(', ')', end_of_file), j)
^  Fail: (192) [user] is_delimiter(j)
   Call: (192) [system] ')'==j
   Fail: (192) [system] ')'==j
   Call: (192) [system] get_char((0x563acd73bee0), j)
   Exit: (192) [system] get_char((0x563acd73bee0), j)
   Call: (192) [system] j=(\)
   Fail: (192) [system] j=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), _671406)
   Call: (193) [system] peek_char((0x563acd73bee0), _672340)
   Exit: (193) [system] peek_char((0x563acd73bee0), u)
^  Call: (193) [user] is_delimiter(u)
   Call: (194) [system] char_type(u, space)
   Fail: (194) [system] char_type(u, space)
   Call: (194) [system] arg(_677060, v('(', ')', end_of_file), u)
   Fail: (194) [system] arg(_677992, v('(', ')', end_of_file), u)
^  Fail: (193) [user] is_delimiter(u)
   Call: (193) [system] ')'==u
   Fail: (193) [system] ')'==u
   Call: (193) [system] get_char((0x563acd73bee0), u)
   Exit: (193) [system] get_char((0x563acd73bee0), u)
   Call: (193) [system] u=(\)
   Fail: (193) [system] u=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _685342)
   Call: (194) [system] peek_char((0x563acd73bee0), _686276)
   Exit: (194) [system] peek_char((0x563acd73bee0), n)
^  Call: (194) [user] is_delimiter(n)
   Call: (195) [system] char_type(n, space)
   Fail: (195) [system] char_type(n, space)
   Call: (195) [system] arg(_690996, v('(', ')', end_of_file), n)
   Fail: (195) [system] arg(_691928, v('(', ')', end_of_file), n)
^  Fail: (194) [user] is_delimiter(n)
   Call: (194) [system] ')'==n
   Fail: (194) [system] ')'==n
   Call: (194) [system] get_char((0x563acd73bee0), n)
   Exit: (194) [system] get_char((0x563acd73bee0), n)
   Call: (194) [system] n=(\)
   Fail: (194) [system] n=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _699278)
   Call: (195) [system] peek_char((0x563acd73bee0), _700212)
   Exit: (195) [system] peek_char((0x563acd73bee0), c)
^  Call: (195) [user] is_delimiter(c)
   Call: (196) [system] char_type(c, space)
   Fail: (196) [system] char_type(c, space)
   Call: (196) [system] arg(_704932, v('(', ')', end_of_file), c)
   Fail: (196) [system] arg(_705864, v('(', ')', end_of_file), c)
^  Fail: (195) [user] is_delimiter(c)
   Call: (195) [system] ')'==c
   Fail: (195) [system] ')'==c
   Call: (195) [system] get_char((0x563acd73bee0), c)
   Exit: (195) [system] get_char((0x563acd73bee0), c)
   Call: (195) [system] c=(\)
   Fail: (195) [system] c=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _713214)
   Call: (196) [system] peek_char((0x563acd73bee0), _714148)
   Exit: (196) [system] peek_char((0x563acd73bee0), t)
^  Call: (196) [user] is_delimiter(t)
   Call: (197) [system] char_type(t, space)
   Fail: (197) [system] char_type(t, space)
   Call: (197) [system] arg(_718868, v('(', ')', end_of_file), t)
   Fail: (197) [system] arg(_719800, v('(', ')', end_of_file), t)
^  Fail: (196) [user] is_delimiter(t)
   Call: (196) [system] ')'==t
   Fail: (196) [system] ')'==t
   Call: (196) [system] get_char((0x563acd73bee0), t)
   Exit: (196) [system] get_char((0x563acd73bee0), t)
   Call: (196) [system] t=(\)
   Fail: (196) [system] t=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _727150)
   Call: (197) [system] peek_char((0x563acd73bee0), _728084)
   Exit: (197) [system] peek_char((0x563acd73bee0), i)
^  Call: (197) [user] is_delimiter(i)
   Call: (198) [system] char_type(i, space)
   Fail: (198) [system] char_type(i, space)
   Call: (198) [system] arg(_732804, v('(', ')', end_of_file), i)
   Fail: (198) [system] arg(_733736, v('(', ')', end_of_file), i)
^  Fail: (197) [user] is_delimiter(i)
   Call: (197) [system] ')'==i
   Fail: (197) [system] ')'==i
   Call: (197) [system] get_char((0x563acd73bee0), i)
   Exit: (197) [system] get_char((0x563acd73bee0), i)
   Call: (197) [system] i=(\)
   Fail: (197) [system] i=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _741086)
   Call: (198) [system] peek_char((0x563acd73bee0), _742020)
   Exit: (198) [system] peek_char((0x563acd73bee0), o)
^  Call: (198) [user] is_delimiter(o)
   Call: (199) [system] char_type(o, space)
   Fail: (199) [system] char_type(o, space)
   Call: (199) [system] arg(_746740, v('(', ')', end_of_file), o)
   Fail: (199) [system] arg(_747672, v('(', ')', end_of_file), o)
^  Fail: (198) [user] is_delimiter(o)
   Call: (198) [system] ')'==o
   Fail: (198) [system] ')'==o
   Call: (198) [system] get_char((0x563acd73bee0), o)
   Exit: (198) [system] get_char((0x563acd73bee0), o)
   Call: (198) [system] o=(\)
   Fail: (198) [system] o=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _755022)
   Call: (199) [system] peek_char((0x563acd73bee0), _755956)
   Exit: (199) [system] peek_char((0x563acd73bee0), n)
^  Call: (199) [user] is_delimiter(n)
   Call: (200) [system] char_type(n, space)
   Fail: (200) [system] char_type(n, space)
   Call: (200) [system] arg(_760676, v('(', ')', end_of_file), n)
   Fail: (200) [system] arg(_761608, v('(', ')', end_of_file), n)
^  Fail: (199) [user] is_delimiter(n)
   Call: (199) [system] ')'==n
   Fail: (199) [system] ')'==n
   Call: (199) [system] get_char((0x563acd73bee0), n)
   Exit: (199) [system] get_char((0x563acd73bee0), n)
   Call: (199) [system] n=(\)
   Fail: (199) [system] n=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _768958)
   Call: (200) [system] peek_char((0x563acd73bee0), _769892)
   Exit: (200) [system] peek_char((0x563acd73bee0), 'I')
^  Call: (200) [user] is_delimiter('I')
   Call: (201) [system] char_type('I', space)
   Fail: (201) [system] char_type('I', space)
   Call: (201) [system] arg(_774612, v('(', ')', end_of_file), 'I')
   Fail: (201) [system] arg(_775544, v('(', ')', end_of_file), 'I')
^  Fail: (200) [user] is_delimiter('I')
   Call: (200) [system] ')'=='I'
   Fail: (200) [system] ')'=='I'
   Call: (200) [system] get_char((0x563acd73bee0), 'I')
   Exit: (200) [system] get_char((0x563acd73bee0), 'I')
   Call: (200) [system] 'I'=(\)
   Fail: (200) [system] 'I'=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _782894)
   Call: (201) [system] peek_char((0x563acd73bee0), _783828)
   Exit: (201) [system] peek_char((0x563acd73bee0), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_788548, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_789480, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x563acd73bee0), n)
   Exit: (201) [system] get_char((0x563acd73bee0), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _796830)
   Call: (202) [system] peek_char((0x563acd73bee0), _797764)
   Exit: (202) [system] peek_char((0x563acd73bee0), t)
^  Call: (202) [user] is_delimiter(t)
   Call: (203) [system] char_type(t, space)
   Fail: (203) [system] char_type(t, space)
   Call: (203) [system] arg(_802484, v('(', ')', end_of_file), t)
   Fail: (203) [system] arg(_803416, v('(', ')', end_of_file), t)
^  Fail: (202) [user] is_delimiter(t)
   Call: (202) [system] ')'==t
   Fail: (202) [system] ')'==t
   Call: (202) [system] get_char((0x563acd73bee0), t)
   Exit: (202) [system] get_char((0x563acd73bee0), t)
   Call: (202) [system] t=(\)
   Fail: (202) [system] t=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _810766)
   Call: (203) [system] peek_char((0x563acd73bee0), _811700)
   Exit: (203) [system] peek_char((0x563acd73bee0), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_816420, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_817352, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x563acd73bee0), r)
   Exit: (203) [system] get_char((0x563acd73bee0), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _824702)
   Call: (204) [system] peek_char((0x563acd73bee0), _825636)
   Exit: (204) [system] peek_char((0x563acd73bee0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_830356, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_831288, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x563acd73bee0), o)
   Exit: (204) [system] get_char((0x563acd73bee0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _838638)
   Call: (205) [system] peek_char((0x563acd73bee0), _839572)
   Exit: (205) [system] peek_char((0x563acd73bee0), d)
^  Call: (205) [user] is_delimiter(d)
   Call: (206) [system] char_type(d, space)
   Fail: (206) [system] char_type(d, space)
   Call: (206) [system] arg(_844292, v('(', ')', end_of_file), d)
   Fail: (206) [system] arg(_845224, v('(', ')', end_of_file), d)
^  Fail: (205) [user] is_delimiter(d)
   Call: (205) [system] ')'==d
   Fail: (205) [system] ')'==d
   Call: (205) [system] get_char((0x563acd73bee0), d)
   Exit: (205) [system] get_char((0x563acd73bee0), d)
   Call: (205) [system] d=(\)
   Fail: (205) [system] d=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _852574)
   Call: (206) [system] peek_char((0x563acd73bee0), _853508)
   Exit: (206) [system] peek_char((0x563acd73bee0), u)
^  Call: (206) [user] is_delimiter(u)
   Call: (207) [system] char_type(u, space)
   Fail: (207) [system] char_type(u, space)
   Call: (207) [system] arg(_858228, v('(', ')', end_of_file), u)
   Fail: (207) [system] arg(_859160, v('(', ')', end_of_file), u)
^  Fail: (206) [user] is_delimiter(u)
   Call: (206) [system] ')'==u
   Fail: (206) [system] ')'==u
   Call: (206) [system] get_char((0x563acd73bee0), u)
   Exit: (206) [system] get_char((0x563acd73bee0), u)
   Call: (206) [system] u=(\)
   Fail: (206) [system] u=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _866510)
   Call: (207) [system] peek_char((0x563acd73bee0), _867444)
   Exit: (207) [system] peek_char((0x563acd73bee0), c)
^  Call: (207) [user] is_delimiter(c)
   Call: (208) [system] char_type(c, space)
   Fail: (208) [system] char_type(c, space)
   Call: (208) [system] arg(_872164, v('(', ')', end_of_file), c)
   Fail: (208) [system] arg(_873096, v('(', ')', end_of_file), c)
^  Fail: (207) [user] is_delimiter(c)
   Call: (207) [system] ')'==c
   Fail: (207) [system] ')'==c
   Call: (207) [system] get_char((0x563acd73bee0), c)
   Exit: (207) [system] get_char((0x563acd73bee0), c)
   Call: (207) [system] c=(\)
   Fail: (207) [system] c=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _880446)
   Call: (208) [system] peek_char((0x563acd73bee0), _881380)
   Exit: (208) [system] peek_char((0x563acd73bee0), t)
^  Call: (208) [user] is_delimiter(t)
   Call: (209) [system] char_type(t, space)
   Fail: (209) [system] char_type(t, space)
   Call: (209) [system] arg(_886100, v('(', ')', end_of_file), t)
   Fail: (209) [system] arg(_887032, v('(', ')', end_of_file), t)
^  Fail: (208) [user] is_delimiter(t)
   Call: (208) [system] ')'==t
   Fail: (208) [system] ')'==t
   Call: (208) [system] get_char((0x563acd73bee0), t)
   Exit: (208) [system] get_char((0x563acd73bee0), t)
   Call: (208) [system] t=(\)
   Fail: (208) [system] t=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _894382)
   Call: (209) [system] peek_char((0x563acd73bee0), _895316)
   Exit: (209) [system] peek_char((0x563acd73bee0), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_900036, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_900968, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x563acd73bee0), i)
   Exit: (209) [system] get_char((0x563acd73bee0), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _908318)
   Call: (210) [system] peek_char((0x563acd73bee0), _909252)
   Exit: (210) [system] peek_char((0x563acd73bee0), o)
^  Call: (210) [user] is_delimiter(o)
   Call: (211) [system] char_type(o, space)
   Fail: (211) [system] char_type(o, space)
   Call: (211) [system] arg(_913972, v('(', ')', end_of_file), o)
   Fail: (211) [system] arg(_914904, v('(', ')', end_of_file), o)
^  Fail: (210) [user] is_delimiter(o)
   Call: (210) [system] ')'==o
   Fail: (210) [system] ')'==o
   Call: (210) [system] get_char((0x563acd73bee0), o)
   Exit: (210) [system] get_char((0x563acd73bee0), o)
   Call: (210) [system] o=(\)
   Fail: (210) [system] o=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _922254)
   Call: (211) [system] peek_char((0x563acd73bee0), _923188)
   Exit: (211) [system] peek_char((0x563acd73bee0), n)
^  Call: (211) [user] is_delimiter(n)
   Call: (212) [system] char_type(n, space)
   Fail: (212) [system] char_type(n, space)
   Call: (212) [system] arg(_927908, v('(', ')', end_of_file), n)
   Fail: (212) [system] arg(_928840, v('(', ')', end_of_file), n)
^  Fail: (211) [user] is_delimiter(n)
   Call: (211) [system] ')'==n
   Fail: (211) [system] ')'==n
   Call: (211) [system] get_char((0x563acd73bee0), n)
   Exit: (211) [system] get_char((0x563acd73bee0), n)
   Call: (211) [system] n=(\)
   Fail: (211) [system] n=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _936190)
   Call: (212) [system] peek_char((0x563acd73bee0), _937124)
   Exit: (212) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _936190=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (211) [system] _922254=[n]
   Exit: (211) [system] [n]=[n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (210) [system] _908318=[o, n]
   Exit: (210) [system] [o, n]=[o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (209) [system] _894382=[i, o, n]
   Exit: (209) [system] [i, o, n]=[i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (208) [system] _880446=[t, i, o, n]
   Exit: (208) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (207) [system] _866510=[c, t, i, o, n]
   Exit: (207) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n])
   Call: (206) [system] _852574=[u, c, t, i, o, n]
   Exit: (206) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, i, o, n])
   Call: (205) [system] _838638=[d, u, c, t, i, o, n]
   Exit: (205) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, u, c, t, i, o, n])
   Call: (204) [system] _824702=[o, d, u, c, t, i, o, n]
   Exit: (204) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, d, u, c, t, i, o, n])
   Call: (203) [system] _810766=[r, o, d, u, c, t, i, o, n]
   Exit: (203) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, d, u, c, t, i, o, n])
   Call: (202) [system] _796830=[t, r, o, d, u, c, t, i, o, n]
   Exit: (202) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, r, o, d, u, c, t, i, o, n])
   Call: (201) [system] _782894=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (201) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (200) [system] _768958=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (200) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (199) [system] _755022=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (199) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (198) [system] _741086=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (198) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (197) [system] _727150=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (197) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (196) [system] _713214=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (196) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (195) [system] _699278=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (195) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (194) [system] _685342=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (194) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (193) [system] _671406=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (193) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (192) [system] _657470=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (192) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (191) [system] _643534=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (191) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (190) [system] _629598=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (190) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (189) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _594088)
^  Call: (190) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1007876)
^  Call: (192) [system] setup_call_cleanup('$notrace'(_1008828, _1008830), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1007876), _1008810, fail)), '$restore_trace'(_1008828, _1008830))
^  Call: (193) [system] sig_atomic(system:'$notrace'(_1008828, _1008830))
^  Exit: (192) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1007876), _1008810, fail)), system:'$restore_trace'(3, -1))
   Call: (191) [system] atomic(_1007876)
   Fail: (191) [system] atomic(_1007876)
   Call: (191) [system] atom_chars(_1007876, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (191) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (190) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
   Call: (190) [system] integer('ConjunctionIntroduction')
   Fail: (190) [system] integer('ConjunctionIntroduction')
   Call: (190) [system] _594088='ConjunctionIntroduction'
   Exit: (190) [system] 'ConjunctionIntroduction'='ConjunctionIntroduction'
^  Exit: (189) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (188) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'ConjunctionIntroduction')
^  Exit: (187) [user] cont_sexpr(')', (0x563acd73bee0), 'ConjunctionIntroduction')
^  Call: (187) [user] read_list(')', (0x563acd73bee0), _1022826)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1024684)
   Exit: (189) [system] peek_char((0x563acd73bee0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x563acd73bee0), _1034278)
   Exit: (189) [system] get_char((0x563acd73bee0), ' ')
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1036982)
   Exit: (190) [system] peek_char((0x563acd73bee0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _1053916)
   Exit: (188) [system] peek_char((0x563acd73bee0), '(')
   Call: (188) [system] '('=')'
   Fail: (188) [system] '('=')'
   Call: (188) [system] '('=end_of_file
   Fail: (188) [system] '('=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x563acd73bee0), _1059486)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1061344)
   Exit: (190) [system] peek_char((0x563acd73bee0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] get_char((0x563acd73bee0), _1077354)
   Exit: (189) [system] get_char((0x563acd73bee0), '(')
   Call: (189) [system] '('='('
   Exit: (189) [system] '('='('
^  Call: (189) [user] read_list(')', (0x563acd73bee0), _1059486)
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _1082924)
   Exit: (191) [system] peek_char((0x563acd73bee0), -)
   Call: (191) [system] (-)=(;)
   Fail: (191) [system] (-)=(;)
   Call: (191) [system] (-)=(/)
   Fail: (191) [system] (-)=(/)
^  Call: (191) [user] is_like_space(-)
   Call: (192) [system] char_type(-, 'white')
   Fail: (192) [system] char_type(-, 'white')
   Call: (192) [system] char_type(-, end_of_line)
   Fail: (192) [system] char_type(-, end_of_line)
   Call: (192) [system] char_type(-, space)
   Fail: (192) [system] char_type(-, space)
   Call: (192) [system] char_type(-, cntrl)
   Fail: (192) [system] char_type(-, cntrl)
^  Fail: (191) [user] is_like_space(-)
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1098934)
   Exit: (190) [system] peek_char((0x563acd73bee0), -)
   Call: (190) [system] (-)=')'
   Fail: (190) [system] (-)=')'
   Call: (190) [system] (-)=end_of_file
   Fail: (190) [system] (-)=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x563acd73bee0), _1104504)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1106362)
   Exit: (192) [system] peek_char((0x563acd73bee0), -)
   Call: (192) [system] (-)=(;)
   Fail: (192) [system] (-)=(;)
   Call: (192) [system] (-)=(/)
   Fail: (192) [system] (-)=(/)
^  Call: (192) [user] is_like_space(-)
   Call: (193) [system] char_type(-, 'white')
   Fail: (193) [system] char_type(-, 'white')
   Call: (193) [system] char_type(-, end_of_line)
   Fail: (193) [system] char_type(-, end_of_line)
   Call: (193) [system] char_type(-, space)
   Fail: (193) [system] char_type(-, space)
   Call: (193) [system] char_type(-, cntrl)
   Fail: (193) [system] char_type(-, cntrl)
^  Fail: (192) [user] is_like_space(-)
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] get_char((0x563acd73bee0), _1122372)
   Exit: (191) [system] get_char((0x563acd73bee0), -)
   Call: (191) [system] (-)='('
   Fail: (191) [system] (-)='('
   Call: (191) [system] (-)='['
   Fail: (191) [system] (-)='['
   Call: (191) [system] (-)='{'
   Fail: (191) [system] (-)='{'
   Call: (191) [system] (-)='"'
   Fail: (191) [system] (-)='"'
   Call: (191) [system] (-)=!
   Fail: (191) [system] (-)=!
   Call: (191) [system] (-)='\''
   Fail: (191) [system] (-)='\''
   Call: (191) [system] (-)='`'
   Fail: (191) [system] (-)='`'
   Call: (191) [system] (-)=end_of_file
   Fail: (191) [system] (-)=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x563acd73bee0), -, _1104504)
^  Call: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), _1140014)
   Call: (193) [system] peek_char((0x563acd73bee0), _1140948)
   Exit: (193) [system] peek_char((0x563acd73bee0), >)
^  Call: (193) [user] is_delimiter(>)
   Call: (194) [system] char_type(>, space)
   Fail: (194) [system] char_type(>, space)
   Call: (194) [system] arg(_1145668, v('(', ')', end_of_file), >)
   Fail: (194) [system] arg(_1146600, v('(', ')', end_of_file), >)
^  Fail: (193) [user] is_delimiter(>)
   Call: (193) [system] ')'==(>)
   Fail: (193) [system] ')'==(>)
   Call: (193) [system] get_char((0x563acd73bee0), >)
   Exit: (193) [system] get_char((0x563acd73bee0), >)
   Call: (193) [system] (>)=(\)
   Fail: (193) [system] (>)=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _1153950)
   Call: (194) [system] peek_char((0x563acd73bee0), _1154884)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _1153950=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (193) [system] _1140014=[>]
   Exit: (193) [system] [>]=[>]
^  Exit: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), [>])
^  Call: (192) [user] classify_and_convert_charseq([-, >], _1104504)
^  Call: (193) [user] classify_and_convert_charseq_([-, >], _1166962)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_1167914, _1167916), once(user:catch(read_from_chars([-, >], _1166962), _1167896, fail)), '$restore_trace'(_1167914, _1167916))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_1167914, _1167916))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _1167896, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(->)
   Exit: (194) [system] atomic(->)
^  Exit: (193) [user] classify_and_convert_charseq_([-, >], ->)
   Call: (193) [system] integer(->)
   Fail: (193) [system] integer(->)
   Call: (193) [system] _1104504=(->)
   Exit: (193) [system] (->)=(->)
^  Exit: (192) [user] classify_and_convert_charseq([-, >], ->)
^  Exit: (191) [user] read_symbolic(')', (0x563acd73bee0), -, ->)
^  Exit: (190) [user] cont_sexpr(')', (0x563acd73bee0), ->)
^  Call: (190) [user] read_list(')', (0x563acd73bee0), _1180042)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1181900)
   Exit: (192) [system] peek_char((0x563acd73bee0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x563acd73bee0), _1191494)
   Exit: (192) [system] get_char((0x563acd73bee0), ' ')
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1194198)
   Exit: (193) [system] peek_char((0x563acd73bee0), $)
   Call: (193) [system] ($)=(;)
   Fail: (193) [system] ($)=(;)
   Call: (193) [system] ($)=(/)
   Fail: (193) [system] ($)=(/)
^  Call: (193) [user] is_like_space($)
   Call: (194) [system] char_type($, 'white')
   Fail: (194) [system] char_type($, 'white')
   Call: (194) [system] char_type($, end_of_line)
   Fail: (194) [system] char_type($, end_of_line)
   Call: (194) [system] char_type($, space)
   Fail: (194) [system] char_type($, space)
   Call: (194) [system] char_type($, cntrl)
   Fail: (194) [system] char_type($, cntrl)
^  Fail: (193) [user] is_like_space($)
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _1211132)
   Exit: (191) [system] peek_char((0x563acd73bee0), $)
   Call: (191) [system] ($)=')'
   Fail: (191) [system] ($)=')'
   Call: (191) [system] ($)=end_of_file
   Fail: (191) [system] ($)=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x563acd73bee0), _1216702)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1218560)
   Exit: (193) [system] peek_char((0x563acd73bee0), $)
   Call: (193) [system] ($)=(;)
   Fail: (193) [system] ($)=(;)
   Call: (193) [system] ($)=(/)
   Fail: (193) [system] ($)=(/)
^  Call: (193) [user] is_like_space($)
   Call: (194) [system] char_type($, 'white')
   Fail: (194) [system] char_type($, 'white')
   Call: (194) [system] char_type($, end_of_line)
   Fail: (194) [system] char_type($, end_of_line)
   Call: (194) [system] char_type($, space)
   Fail: (194) [system] char_type($, space)
   Call: (194) [system] char_type($, cntrl)
   Fail: (194) [system] char_type($, cntrl)
^  Fail: (193) [user] is_like_space($)
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] get_char((0x563acd73bee0), _1234570)
   Exit: (192) [system] get_char((0x563acd73bee0), $)
   Call: (192) [system] ($)='('
   Fail: (192) [system] ($)='('
   Call: (192) [system] ($)='['
   Fail: (192) [system] ($)='['
   Call: (192) [system] ($)='{'
   Fail: (192) [system] ($)='{'
   Call: (192) [system] ($)='"'
   Fail: (192) [system] ($)='"'
   Call: (192) [system] ($)=!
   Fail: (192) [system] ($)=!
   Call: (192) [system] ($)='\''
   Fail: (192) [system] ($)='\''
   Call: (192) [system] ($)='`'
   Fail: (192) [system] ($)='`'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x563acd73bee0), $, _1216702)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _1252212)
   Call: (194) [system] peek_char((0x563acd73bee0), _1253146)
   Exit: (194) [system] peek_char((0x563acd73bee0), p)
^  Call: (194) [user] is_delimiter(p)
   Call: (195) [system] char_type(p, space)
   Fail: (195) [system] char_type(p, space)
   Call: (195) [system] arg(_1257866, v('(', ')', end_of_file), p)
   Fail: (195) [system] arg(_1258798, v('(', ')', end_of_file), p)
^  Fail: (194) [user] is_delimiter(p)
   Call: (194) [system] ')'==p
   Fail: (194) [system] ')'==p
   Call: (194) [system] get_char((0x563acd73bee0), p)
   Exit: (194) [system] get_char((0x563acd73bee0), p)
   Call: (194) [system] p=(\)
   Fail: (194) [system] p=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _1266148)
   Call: (195) [system] peek_char((0x563acd73bee0), _1267082)
   Exit: (195) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (195) [user] is_delimiter(' ')
   Call: (196) [system] char_type(' ', space)
   Exit: (196) [system] char_type(' ', space)
^  Exit: (195) [user] is_delimiter(' ')
   Call: (195) [system] _1266148=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (194) [system] _1252212=[p]
   Exit: (194) [system] [p]=[p]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [p])
^  Call: (193) [user] classify_and_convert_charseq([$, p], _1216702)
^  Call: (194) [user] classify_and_convert_charseq_([$, p], _1279160)
   Call: (195) [system] atom_chars(_1280092, ['_', p])
   Exit: (195) [system] atom_chars('_p', ['_', p])
^  Exit: (194) [user] classify_and_convert_charseq_([$, p], _p)
   Call: (194) [system] integer(_p)
   Fail: (194) [system] integer(_p)
   Call: (194) [system] _1216702=_p
   Exit: (194) [system] _p=_p
^  Exit: (193) [user] classify_and_convert_charseq([$, p], _p)
^  Exit: (192) [user] read_symbolic(')', (0x563acd73bee0), $, _p)
^  Exit: (191) [user] cont_sexpr(')', (0x563acd73bee0), _p)
^  Call: (191) [user] read_list(')', (0x563acd73bee0), _1289384)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1291242)
   Exit: (193) [system] peek_char((0x563acd73bee0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x563acd73bee0), _1300836)
   Exit: (193) [system] get_char((0x563acd73bee0), ' ')
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1303540)
   Exit: (194) [system] peek_char((0x563acd73bee0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1320474)
   Exit: (192) [system] peek_char((0x563acd73bee0), $)
   Call: (192) [system] ($)=')'
   Fail: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x563acd73bee0), _1326044)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1327902)
   Exit: (194) [system] peek_char((0x563acd73bee0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] get_char((0x563acd73bee0), _1343912)
   Exit: (193) [system] get_char((0x563acd73bee0), $)
   Call: (193) [system] ($)='('
   Fail: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Fail: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Fail: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Fail: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Fail: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Fail: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Fail: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x563acd73bee0), $, _1326044)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _1361554)
   Call: (195) [system] peek_char((0x563acd73bee0), _1362488)
   Exit: (195) [system] peek_char((0x563acd73bee0), q)
^  Call: (195) [user] is_delimiter(q)
   Call: (196) [system] char_type(q, space)
   Fail: (196) [system] char_type(q, space)
   Call: (196) [system] arg(_1367208, v('(', ')', end_of_file), q)
   Fail: (196) [system] arg(_1368140, v('(', ')', end_of_file), q)
^  Fail: (195) [user] is_delimiter(q)
   Call: (195) [system] ')'==q
   Fail: (195) [system] ')'==q
   Call: (195) [system] get_char((0x563acd73bee0), q)
   Exit: (195) [system] get_char((0x563acd73bee0), q)
   Call: (195) [system] q=(\)
   Fail: (195) [system] q=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _1375490)
   Call: (196) [system] peek_char((0x563acd73bee0), _1376424)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _1375490=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (195) [system] _1361554=[q]
   Exit: (195) [system] [q]=[q]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [q])
^  Call: (194) [user] classify_and_convert_charseq([$, q], _1326044)
^  Call: (195) [user] classify_and_convert_charseq_([$, q], _1388502)
   Call: (196) [system] atom_chars(_1389434, ['_', q])
   Exit: (196) [system] atom_chars('_q', ['_', q])
^  Exit: (195) [user] classify_and_convert_charseq_([$, q], _q)
   Call: (195) [system] integer(_q)
   Fail: (195) [system] integer(_q)
   Call: (195) [system] _1326044=_q
   Exit: (195) [system] _q=_q
^  Exit: (194) [user] classify_and_convert_charseq([$, q], _q)
^  Exit: (193) [user] read_symbolic(')', (0x563acd73bee0), $, _q)
^  Exit: (192) [user] cont_sexpr(')', (0x563acd73bee0), _q)
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _1398726)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1400584)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x563acd73bee0), _1410178)
   Exit: (194) [system] get_char((0x563acd73bee0), ' ')
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1412882)
   Exit: (195) [system] peek_char((0x563acd73bee0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1429816)
   Exit: (193) [system] peek_char((0x563acd73bee0), '(')
   Call: (193) [system] '('=')'
   Fail: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
   Fail: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x563acd73bee0), _1435386)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1437244)
   Exit: (195) [system] peek_char((0x563acd73bee0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] get_char((0x563acd73bee0), _1453254)
   Exit: (194) [system] get_char((0x563acd73bee0), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _1435386)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1458824)
   Exit: (196) [system] peek_char((0x563acd73bee0), 'A')
   Call: (196) [system] 'A'=(;)
   Fail: (196) [system] 'A'=(;)
   Call: (196) [system] 'A'=(/)
   Fail: (196) [system] 'A'=(/)
^  Call: (196) [user] is_like_space('A')
   Call: (197) [system] char_type('A', 'white')
   Fail: (197) [system] char_type('A', 'white')
   Call: (197) [system] char_type('A', end_of_line)
   Fail: (197) [system] char_type('A', end_of_line)
   Call: (197) [system] char_type('A', space)
   Fail: (197) [system] char_type('A', space)
   Call: (197) [system] char_type('A', cntrl)
   Fail: (197) [system] char_type('A', cntrl)
^  Fail: (196) [user] is_like_space('A')
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1474834)
   Exit: (195) [system] peek_char((0x563acd73bee0), 'A')
   Call: (195) [system] 'A'=')'
   Fail: (195) [system] 'A'=')'
   Call: (195) [system] 'A'=end_of_file
   Fail: (195) [system] 'A'=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x563acd73bee0), _1480404)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1482262)
   Exit: (197) [system] peek_char((0x563acd73bee0), 'A')
   Call: (197) [system] 'A'=(;)
   Fail: (197) [system] 'A'=(;)
   Call: (197) [system] 'A'=(/)
   Fail: (197) [system] 'A'=(/)
^  Call: (197) [user] is_like_space('A')
   Call: (198) [system] char_type('A', 'white')
   Fail: (198) [system] char_type('A', 'white')
   Call: (198) [system] char_type('A', end_of_line)
   Fail: (198) [system] char_type('A', end_of_line)
   Call: (198) [system] char_type('A', space)
   Fail: (198) [system] char_type('A', space)
   Call: (198) [system] char_type('A', cntrl)
   Fail: (198) [system] char_type('A', cntrl)
^  Fail: (197) [user] is_like_space('A')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] get_char((0x563acd73bee0), _1498272)
   Exit: (196) [system] get_char((0x563acd73bee0), 'A')
   Call: (196) [system] 'A'='('
   Fail: (196) [system] 'A'='('
   Call: (196) [system] 'A'='['
   Fail: (196) [system] 'A'='['
   Call: (196) [system] 'A'='{'
   Fail: (196) [system] 'A'='{'
   Call: (196) [system] 'A'='"'
   Fail: (196) [system] 'A'='"'
   Call: (196) [system] 'A'=!
   Fail: (196) [system] 'A'=!
   Call: (196) [system] 'A'='\''
   Fail: (196) [system] 'A'='\''
   Call: (196) [system] 'A'='`'
   Fail: (196) [system] 'A'='`'
   Call: (196) [system] 'A'=end_of_file
   Fail: (196) [system] 'A'=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x563acd73bee0), 'A', _1480404)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _1515914)
   Call: (198) [system] peek_char((0x563acd73bee0), _1516848)
   Exit: (198) [system] peek_char((0x563acd73bee0), n)
^  Call: (198) [user] is_delimiter(n)
   Call: (199) [system] char_type(n, space)
   Fail: (199) [system] char_type(n, space)
   Call: (199) [system] arg(_1521568, v('(', ')', end_of_file), n)
   Fail: (199) [system] arg(_1522500, v('(', ')', end_of_file), n)
^  Fail: (198) [user] is_delimiter(n)
   Call: (198) [system] ')'==n
   Fail: (198) [system] ')'==n
   Call: (198) [system] get_char((0x563acd73bee0), n)
   Exit: (198) [system] get_char((0x563acd73bee0), n)
   Call: (198) [system] n=(\)
   Fail: (198) [system] n=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _1529850)
   Call: (199) [system] peek_char((0x563acd73bee0), _1530784)
   Exit: (199) [system] peek_char((0x563acd73bee0), d)
^  Call: (199) [user] is_delimiter(d)
   Call: (200) [system] char_type(d, space)
   Fail: (200) [system] char_type(d, space)
   Call: (200) [system] arg(_1535504, v('(', ')', end_of_file), d)
   Fail: (200) [system] arg(_1536436, v('(', ')', end_of_file), d)
^  Fail: (199) [user] is_delimiter(d)
   Call: (199) [system] ')'==d
   Fail: (199) [system] ')'==d
   Call: (199) [system] get_char((0x563acd73bee0), d)
   Exit: (199) [system] get_char((0x563acd73bee0), d)
   Call: (199) [system] d=(\)
   Fail: (199) [system] d=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _1543786)
   Call: (200) [system] peek_char((0x563acd73bee0), _1544720)
   Exit: (200) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (200) [user] is_delimiter('L')
   Call: (201) [system] char_type('L', space)
   Fail: (201) [system] char_type('L', space)
   Call: (201) [system] arg(_1549440, v('(', ')', end_of_file), 'L')
   Fail: (201) [system] arg(_1550372, v('(', ')', end_of_file), 'L')
^  Fail: (200) [user] is_delimiter('L')
   Call: (200) [system] ')'=='L'
   Fail: (200) [system] ')'=='L'
   Call: (200) [system] get_char((0x563acd73bee0), 'L')
   Exit: (200) [system] get_char((0x563acd73bee0), 'L')
   Call: (200) [system] 'L'=(\)
   Fail: (200) [system] 'L'=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _1557722)
   Call: (201) [system] peek_char((0x563acd73bee0), _1558656)
   Exit: (201) [system] peek_char((0x563acd73bee0), i)
^  Call: (201) [user] is_delimiter(i)
   Call: (202) [system] char_type(i, space)
   Fail: (202) [system] char_type(i, space)
   Call: (202) [system] arg(_1563376, v('(', ')', end_of_file), i)
   Fail: (202) [system] arg(_1564308, v('(', ')', end_of_file), i)
^  Fail: (201) [user] is_delimiter(i)
   Call: (201) [system] ')'==i
   Fail: (201) [system] ')'==i
   Call: (201) [system] get_char((0x563acd73bee0), i)
   Exit: (201) [system] get_char((0x563acd73bee0), i)
   Call: (201) [system] i=(\)
   Fail: (201) [system] i=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _1571658)
   Call: (202) [system] peek_char((0x563acd73bee0), _1572592)
   Exit: (202) [system] peek_char((0x563acd73bee0), n)
^  Call: (202) [user] is_delimiter(n)
   Call: (203) [system] char_type(n, space)
   Fail: (203) [system] char_type(n, space)
   Call: (203) [system] arg(_1577312, v('(', ')', end_of_file), n)
   Fail: (203) [system] arg(_1578244, v('(', ')', end_of_file), n)
^  Fail: (202) [user] is_delimiter(n)
   Call: (202) [system] ')'==n
   Fail: (202) [system] ')'==n
   Call: (202) [system] get_char((0x563acd73bee0), n)
   Exit: (202) [system] get_char((0x563acd73bee0), n)
   Call: (202) [system] n=(\)
   Fail: (202) [system] n=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1585594)
   Call: (203) [system] peek_char((0x563acd73bee0), _1586528)
   Exit: (203) [system] peek_char((0x563acd73bee0), k)
^  Call: (203) [user] is_delimiter(k)
   Call: (204) [system] char_type(k, space)
   Fail: (204) [system] char_type(k, space)
   Call: (204) [system] arg(_1591248, v('(', ')', end_of_file), k)
   Fail: (204) [system] arg(_1592180, v('(', ')', end_of_file), k)
^  Fail: (203) [user] is_delimiter(k)
   Call: (203) [system] ')'==k
   Fail: (203) [system] ')'==k
   Call: (203) [system] get_char((0x563acd73bee0), k)
   Exit: (203) [system] get_char((0x563acd73bee0), k)
   Call: (203) [system] k=(\)
   Fail: (203) [system] k=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1599530)
   Call: (204) [system] peek_char((0x563acd73bee0), _1600464)
   Exit: (204) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _1599530=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (203) [system] _1585594=[k]
   Exit: (203) [system] [k]=[k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (202) [system] _1571658=[n, k]
   Exit: (202) [system] [n, k]=[n, k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (201) [system] _1557722=[i, n, k]
   Exit: (201) [system] [i, n, k]=[i, n, k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (200) [system] _1543786=['L', i, n, k]
   Exit: (200) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (199) [system] _1529850=[d, 'L', i, n, k]
   Exit: (199) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, 'L', i, n, k])
   Call: (198) [system] _1515914=[n, d, 'L', i, n, k]
   Exit: (198) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, d, 'L', i, n, k])
^  Call: (197) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1480404)
^  Call: (198) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1626512)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_1627464, _1627466), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1626512), _1627446, fail)), '$restore_trace'(_1627464, _1627466))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_1627464, _1627466))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1626512), _1627446, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(_1626512)
   Fail: (199) [system] atomic(_1626512)
   Call: (199) [system] atom_chars(_1626512, ['A', n, d, 'L', i, n, k])
   Exit: (199) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (198) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (198) [system] integer('AndLink')
   Fail: (198) [system] integer('AndLink')
   Call: (198) [system] _1480404='AndLink'
   Exit: (198) [system] 'AndLink'='AndLink'
^  Exit: (197) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (196) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'AndLink')
^  Exit: (195) [user] cont_sexpr(')', (0x563acd73bee0), 'AndLink')
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _1641462)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1643320)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x563acd73bee0), _1652914)
   Exit: (197) [system] get_char((0x563acd73bee0), ' ')
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1655618)
   Exit: (198) [system] peek_char((0x563acd73bee0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1672552)
   Exit: (196) [system] peek_char((0x563acd73bee0), $)
   Call: (196) [system] ($)=')'
   Fail: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x563acd73bee0), _1678122)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1679980)
   Exit: (198) [system] peek_char((0x563acd73bee0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] get_char((0x563acd73bee0), _1695990)
   Exit: (197) [system] get_char((0x563acd73bee0), $)
   Call: (197) [system] ($)='('
   Fail: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Fail: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Fail: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Fail: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Fail: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Fail: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Fail: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x563acd73bee0), $, _1678122)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _1713632)
   Call: (199) [system] peek_char((0x563acd73bee0), _1714566)
   Exit: (199) [system] peek_char((0x563acd73bee0), p)
^  Call: (199) [user] is_delimiter(p)
   Call: (200) [system] char_type(p, space)
   Fail: (200) [system] char_type(p, space)
   Call: (200) [system] arg(_1719286, v('(', ')', end_of_file), p)
   Fail: (200) [system] arg(_1720218, v('(', ')', end_of_file), p)
^  Fail: (199) [user] is_delimiter(p)
   Call: (199) [system] ')'==p
   Fail: (199) [system] ')'==p
   Call: (199) [system] get_char((0x563acd73bee0), p)
   Exit: (199) [system] get_char((0x563acd73bee0), p)
   Call: (199) [system] p=(\)
   Fail: (199) [system] p=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _1727568)
   Call: (200) [system] peek_char((0x563acd73bee0), _1728502)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _1727568=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (199) [system] _1713632=[p]
   Exit: (199) [system] [p]=[p]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [p])
^  Call: (198) [user] classify_and_convert_charseq([$, p], _1678122)
^  Call: (199) [user] classify_and_convert_charseq_([$, p], _1740580)
   Call: (200) [system] atom_chars(_1741512, ['_', p])
   Exit: (200) [system] atom_chars('_p', ['_', p])
^  Exit: (199) [user] classify_and_convert_charseq_([$, p], _p)
   Call: (199) [system] integer(_p)
   Fail: (199) [system] integer(_p)
   Call: (199) [system] _1678122=_p
   Exit: (199) [system] _p=_p
^  Exit: (198) [user] classify_and_convert_charseq([$, p], _p)
^  Exit: (197) [user] read_symbolic(')', (0x563acd73bee0), $, _p)
^  Exit: (196) [user] cont_sexpr(')', (0x563acd73bee0), _p)
^  Call: (196) [user] read_list(')', (0x563acd73bee0), _1750804)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1752662)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x563acd73bee0), _1762256)
   Exit: (198) [system] get_char((0x563acd73bee0), ' ')
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1764960)
   Exit: (199) [system] peek_char((0x563acd73bee0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1781894)
   Exit: (197) [system] peek_char((0x563acd73bee0), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x563acd73bee0), _1787464)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1789322)
   Exit: (199) [system] peek_char((0x563acd73bee0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] get_char((0x563acd73bee0), _1805332)
   Exit: (198) [system] get_char((0x563acd73bee0), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x563acd73bee0), $, _1787464)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _1822974)
   Call: (200) [system] peek_char((0x563acd73bee0), _1823908)
   Exit: (200) [system] peek_char((0x563acd73bee0), q)
^  Call: (200) [user] is_delimiter(q)
   Call: (201) [system] char_type(q, space)
   Fail: (201) [system] char_type(q, space)
   Call: (201) [system] arg(_1828628, v('(', ')', end_of_file), q)
   Fail: (201) [system] arg(_1829560, v('(', ')', end_of_file), q)
^  Fail: (200) [user] is_delimiter(q)
   Call: (200) [system] ')'==q
   Fail: (200) [system] ')'==q
   Call: (200) [system] get_char((0x563acd73bee0), q)
   Exit: (200) [system] get_char((0x563acd73bee0), q)
   Call: (200) [system] q=(\)
   Fail: (200) [system] q=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _1836910)
   Call: (201) [system] peek_char((0x563acd73bee0), _1837844)
   Exit: (201) [system] peek_char((0x563acd73bee0), ')')
^  Call: (201) [user] is_delimiter(')')
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] arg(_1842564, v('(', ')', end_of_file), ')')
   Exit: (202) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (201) [user] is_delimiter(')')
   Call: (201) [system] _1836910=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (200) [system] _1822974=[q]
   Exit: (200) [system] [q]=[q]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [q])
^  Call: (199) [user] classify_and_convert_charseq([$, q], _1787464)
^  Call: (200) [user] classify_and_convert_charseq_([$, q], _1851794)
   Call: (201) [system] atom_chars(_1852726, ['_', q])
   Exit: (201) [system] atom_chars('_q', ['_', q])
^  Exit: (200) [user] classify_and_convert_charseq_([$, q], _q)
   Call: (200) [system] integer(_q)
   Fail: (200) [system] integer(_q)
   Call: (200) [system] _1787464=_q
   Exit: (200) [system] _q=_q
^  Exit: (199) [user] classify_and_convert_charseq([$, q], _q)
^  Exit: (198) [user] read_symbolic(')', (0x563acd73bee0), $, _q)
^  Exit: (197) [user] cont_sexpr(')', (0x563acd73bee0), _q)
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _1862018)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1863876)
   Exit: (199) [system] peek_char((0x563acd73bee0), ')')
   Call: (199) [system] ')'=(;)
   Fail: (199) [system] ')'=(;)
   Call: (199) [system] ')'=(/)
   Fail: (199) [system] ')'=(/)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Fail: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Fail: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
   Fail: (200) [system] char_type(')', cntrl)
^  Fail: (199) [user] is_like_space(')')
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1879886)
   Exit: (198) [system] peek_char((0x563acd73bee0), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x563acd73bee0), _1883676)
   Exit: (198) [system] get_char((0x563acd73bee0), ')')
   Call: (198) [system] _1862018=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x563acd73bee0), [])
   Call: (197) [system] _1750804=[_q]
   Exit: (197) [system] [_q]=[_q]
^  Exit: (196) [user] read_list(')', (0x563acd73bee0), [_q])
   Call: (196) [system] _1641462=[_p, _q]
   Exit: (196) [system] [_p, _q]=[_p, _q]
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), [_p, _q])
   Call: (195) [system] _1435386=['AndLink', _p, _q]
   Exit: (195) [system] ['AndLink', _p, _q]=['AndLink', _p, _q]
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), ['AndLink', _p, _q])
^  Exit: (193) [user] cont_sexpr(')', (0x563acd73bee0), ['AndLink', _p, _q])
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _1897558)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1899416)
   Exit: (195) [system] peek_char((0x563acd73bee0), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
   Call: (195) [system] ')'=(/)
   Fail: (195) [system] ')'=(/)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1915426)
   Exit: (194) [system] peek_char((0x563acd73bee0), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x563acd73bee0), _1919216)
   Exit: (194) [system] get_char((0x563acd73bee0), ')')
   Call: (194) [system] _1897558=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), [])
   Call: (193) [system] _1398726=[['AndLink', _p, _q]]
   Exit: (193) [system] [['AndLink', _p, _q]]=[['AndLink', _p, _q]]
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), [['AndLink', _p, _q]])
   Call: (192) [system] _1289384=[_q, ['AndLink', _p, _q]]
   Exit: (192) [system] [_q, ['AndLink', _p, _q]]=[_q, ['AndLink', _p, _q]]
^  Exit: (191) [user] read_list(')', (0x563acd73bee0), [_q, ['AndLink', _p, _q]])
   Call: (191) [system] _1180042=[_p, _q, ['AndLink', _p, _q]]
   Exit: (191) [system] [_p, _q, ['AndLink', _p, _q]]=[_p, _q, ['AndLink', _p, _q]]
^  Exit: (190) [user] read_list(')', (0x563acd73bee0), [_p, _q, ['AndLink', _p, _q]])
   Call: (190) [system] _1059486=[->, _p, _q, ['AndLink', _p, _q]]
   Exit: (190) [system] [->, _p, _q, ['AndLink', _p, _q]]=[->, _p, _q, ['AndLink', _p, _q]]
^  Exit: (189) [user] read_list(')', (0x563acd73bee0), [->, _p, _q, ['AndLink', _p, _q]])
^  Exit: (188) [user] cont_sexpr(')', (0x563acd73bee0), [->, _p, _q, ['AndLink', _p, _q]])
^  Call: (188) [user] read_list(')', (0x563acd73bee0), _1935892)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1937750)
   Exit: (190) [system] peek_char((0x563acd73bee0), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
   Call: (190) [system] ')'=(/)
   Fail: (190) [system] ')'=(/)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1953760)
   Exit: (189) [system] peek_char((0x563acd73bee0), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x563acd73bee0), _1957550)
   Exit: (189) [system] get_char((0x563acd73bee0), ')')
   Call: (189) [system] _1935892=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x563acd73bee0), [])
   Call: (188) [system] _1022826=[[->, _p, _q, ['AndLink', _p, _q]]]
   Exit: (188) [system] [[->, _p, _q, ['AndLink', _p, _q]]]=[[->, _p, _q, ['AndLink', _p, _q]]]
^  Exit: (187) [user] read_list(')', (0x563acd73bee0), [[->, _p, _q, ['AndLink', _p, _q]]])
   Call: (187) [system] _557428=['ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]
   Exit: (187) [system] ['ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]=['ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]
^  Exit: (186) [user] read_list(')', (0x563acd73bee0), ['ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]])
   Call: (186) [system] _453602=[:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]
   Exit: (186) [system] [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]=[:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]
^  Exit: (185) [user] read_list(')', (0x563acd73bee0), [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]])
^  Exit: (184) [user] cont_sexpr(')', (0x563acd73bee0), [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]])
^  Call: (184) [user] read_list(')', (0x563acd73bee0), _1971432)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1973290)
   Exit: (186) [system] peek_char((0x563acd73bee0), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
   Call: (186) [system] ')'=(/)
   Fail: (186) [system] ')'=(/)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _1989300)
   Exit: (185) [system] peek_char((0x563acd73bee0), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x563acd73bee0), _1993090)
   Exit: (185) [system] get_char((0x563acd73bee0), ')')
   Call: (185) [system] _1971432=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x563acd73bee0), [])
   Call: (184) [system] _416942=[[:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]]
   Exit: (184) [system] [[:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]]=[[:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]]
^  Exit: (183) [user] read_list(')', (0x563acd73bee0), [[:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]])
   Call: (183) [system] _227902=[[rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]]
   Exit: (183) [system] [[rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]]=[[rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]]
^  Exit: (182) [user] read_list(')', (0x563acd73bee0), [[rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]])
   Call: (182) [system] _90600=[=, [rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]]
   Exit: (182) [system] [=, [rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]]=[=, [rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]]
^  Exit: (181) [user] read_list(')', (0x563acd73bee0), [=, [rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]])
^  Exit: (180) [user] cont_sexpr(')', (0x563acd73bee0), [=, [rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]])
^  Exit: (179) [user] read_sexpr((0x563acd73bee0), [=, [rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]])
^  Call: (179) [user] assertz(metta_file_comment(113, 0, 4576, [=, [rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]], '$stream_position'(4576, 113, 0, 4576)))
^  Exit: (179) [user] assertz(metta_file_comment(113, 0, 4576, [=, [rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]], '$stream_position'(4576, 113, 0, 4576)))
^  Exit: (177) [system] once(user:(read_position((0x563acd73bee0), 113, 0, 4576, '$stream_position'(4576, 113, 0, 4576)), read_sexpr((0x563acd73bee0), [=, [rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]]), assertz(metta_file_comment(113, 0, 4576, [=, [rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]], '$stream_position'(4576, 113, 0, 4576)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_2011608, _2011610, _2011612, _2011614, _2011616))
^  Exit: (177) [user] retract(metta_file_comment(59, 0, 1944, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], '$stream_position'(1944, 59, 0, 1944)))
^  Call: (177) [user] trly(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _3084)
^  Call: (178) [user] once(call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _2014908))
^  Call: (179) [user] call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _2014908)
^  Call: (180) [user] untyped_to_metta([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _2014908)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _2017724))
^  Call: (182) [user] once(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _2017724))
^  Call: (183) [user] trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _2017724)
^  Call: (184) [user] once(call(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _2020524))
^  Call: (185) [user] call(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _2020524)
^  Call: (186) [user] mfix_vars1([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _2020524)
   Call: (187) [system] var([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
   Call: (187) [system] atom([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
   Call: (187) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]==true
   Call: (187) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]==false
   Call: (187) [system] (=)=='['
   Call: (187) [system] (=)=='{'
   Call: (187) [system] is_list([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
   Exit: (187) [system] is_list([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
   Call: (187) [lists] lists:last([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _2030746)
   Call: (188) [lists] lists:last_([['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [synthesize, _query, _kb, _rb, ['S', _k]], _2030746)
   Call: (189) [lists] lists:last_([], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query], _2030746)
   Exit: (189) [lists] lists:last_([], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query])
   Exit: (188) [lists] lists:last_([['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query])
   Exit: (187) [lists] lists:last([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query])
   Call: (187) [system] ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]=='}'
   Call: (187) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]==[_2037262, _2037268]
   Call: (187) [system] fail
   Call: (187) [system] is_list([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
   Exit: (187) [system] is_list([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Call: (187) [user] apply:maplist(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _2020524)
   Call: (188) [apply] apply:maplist_([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _2020524, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(=, _2042842)
   Call: (190) [system] var(=)
   Call: (190) [system] atom(=)
   Exit: (190) [system] atom(=)
^  Call: (190) [user] symbol_concat($, _2046550, =)
   Call: (191) [system] atom_concat($, _2046550, =)
   Fail: (191) [system] atom_concat($, _2046550, =)
^  Fail: (190) [user] symbol_concat($, _2046550, =)
   Call: (190) [system] (=)==true
   Call: (190) [system] (=)==false
   Call: (190) [system] (=)==[_2052138, _2052144]
   Call: (190) [system] is_list(=)
   Call: (190) [system] string(=)
   Call: (190) [system] compound(=)
^  Call: (190) [user] symbol(=)
   Call: (191) [system] atom(=)
   Exit: (191) [system] atom(=)
^  Exit: (190) [user] symbol(=)
^  Exit: (189) [user] mfix_vars1(=, =)
   Call: (189) [apply] apply:maplist_([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _2042844, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1([synthesize, _query, _kb, _rb, ['S', _k]], _2061406)
   Call: (191) [system] var([synthesize, _query, _kb, _rb, ['S', _k]])
   Call: (191) [system] atom([synthesize, _query, _kb, _rb, ['S', _k]])
   Call: (191) [system] [synthesize, _query, _kb, _rb, ['S', _k]]==true
   Call: (191) [system] [synthesize, _query, _kb, _rb, ['S', _k]]==false
   Call: (191) [system] synthesize=='['
   Call: (191) [system] synthesize=='{'
   Call: (191) [system] is_list([_query, _kb, _rb, ['S', _k]])
   Exit: (191) [system] is_list([_query, _kb, _rb, ['S', _k]])
   Call: (191) [lists] lists:last([_query, _kb, _rb, ['S', _k]], _2069750)
   Call: (192) [lists] lists:last_([_kb, _rb, ['S', _k]], _query, _2069750)
   Call: (193) [lists] lists:last_([_rb, ['S', _k]], _kb, _2069750)
   Call: (194) [lists] lists:last_([['S', _k]], _rb, _2069750)
   Call: (195) [lists] lists:last_([], ['S', _k], _2069750)
   Exit: (195) [lists] lists:last_([], ['S', _k], ['S', _k])
   Exit: (194) [lists] lists:last_([['S', _k]], _rb, ['S', _k])
   Exit: (193) [lists] lists:last_([_rb, ['S', _k]], _kb, ['S', _k])
   Exit: (192) [lists] lists:last_([_kb, _rb, ['S', _k]], _query, ['S', _k])
   Exit: (191) [lists] lists:last([_query, _kb, _rb, ['S', _k]], ['S', _k])
   Call: (191) [system] ['S', _k]=='}'
   Call: (191) [system] [synthesize, _query, _kb, _rb, ['S', _k]]==[_2079994, _2080000]
   Call: (191) [system] fail
   Call: (191) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
   Exit: (191) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
^  Call: (191) [user] apply:maplist(mfix_vars1, [synthesize, _query, _kb, _rb, ['S', _k]], _2061406)
   Call: (192) [apply] apply:maplist_([synthesize, _query, _kb, _rb, ['S', _k]], _2061406, user:mfix_vars1)
^  Call: (193) [user] mfix_vars1(synthesize, _2085574)
   Call: (194) [system] var(synthesize)
   Call: (194) [system] atom(synthesize)
   Exit: (194) [system] atom(synthesize)
^  Call: (194) [user] symbol_concat($, _2089282, synthesize)
   Call: (195) [system] atom_concat($, _2089282, synthesize)
   Fail: (195) [system] atom_concat($, _2089282, synthesize)
^  Fail: (194) [user] symbol_concat($, _2089282, synthesize)
   Call: (194) [system] synthesize==true
   Call: (194) [system] synthesize==false
   Call: (194) [system] synthesize==[_2094870, _2094876]
   Call: (194) [system] is_list(synthesize)
   Call: (194) [system] string(synthesize)
   Call: (194) [system] compound(synthesize)
^  Call: (194) [user] symbol(synthesize)
   Call: (195) [system] atom(synthesize)
   Exit: (195) [system] atom(synthesize)
^  Exit: (194) [user] symbol(synthesize)
^  Exit: (193) [user] mfix_vars1(synthesize, synthesize)
   Call: (193) [apply] apply:maplist_([_query, _kb, _rb, ['S', _k]], _3868, user:mfix_vars1)
^  Call: (194) [user] mfix_vars1(_query, _11136)
   Call: (195) [system] var(_query)
   Call: (195) [system] atom(_query)
   Call: (195) [system] _query==true
   Call: (195) [system] _query==false
   Call: (195) [system] _query==[_15778, _15784]
   Call: (195) [system] is_list(_query)
   Call: (195) [system] string(_query)
   Call: (195) [system] compound(_query)
   Exit: (195) [system] compound(_query)
   Call: (195) [system] compound_name_arguments(_query, _20412, _20414)
   Exit: (195) [system] compound_name_arguments(_query, '$VAR', ['_query'])
   Call: (195) [system] '$VAR'\=='$VAR'
^  Exit: (183) [user] trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (182) [system] once(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _26006))
^  Call: (182) [user] once(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _26006))
^  Call: (183) [user] trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _26006)
^  Call: (184) [user] once(call(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _28806))
^  Call: (185) [user] call(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _28806)
^  Call: (186) [user] cons_to_c([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _28806)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (185) [system] call(user:cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (184) [system] once(user:call(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]))
   Call: (184) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]\=@=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]
^  Exit: (183) [user] trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (182) [system] once(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _3792))
^  Call: (182) [user] once(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _3792))
^  Call: (183) [user] trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _3792)
^  Call: (184) [user] once(call(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _42764))
^  Call: (185) [user] call(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _42764)
^  Call: (186) [user] cons_to_l([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _42764)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (185) [system] call(user:cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (184) [system] once(user:call(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]))
   Call: (184) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]\=@=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]
^  Exit: (183) [user] trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (182) [system] once(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]))
^  Exit: (180) [user] untyped_to_metta([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (179) [system] call(user:untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (178) [system] once(user:call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]))
   Call: (178) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]\=@=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]
^  Exit: (177) [user] trly(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (174) [user] parse_sexpr_metta_IO((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (171) [user] read_sform((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (170) [system] once(user:read_sform((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]))
   Call: (169) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]==end_of_file
   Fail: (169) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1727204596.0891678), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204596.0891678), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]), 112]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x563acd7397e0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], ynthesize_long_1727204587_629323, 112)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1727204596.0891678), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204596.0891678), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]), 112]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1727204598.7779996)
   Call: (173) [system] arg(1, t(1727204596.0891678), _3148)
   Exit: (173) [system] arg(1, t(1727204596.0891678), 1727204596.0891678)
   Call: (173) [system] _3158 is 1727204598.7779996-1727204596.0891678
   Exit: (173) [system] 2.6888318061828613 is 1727204598.7779996-1727204596.0891678
   Call: (173) [system] 2.6888318061828613>4
   Fail: (173) [system] 2.6888318061828613>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1727204596.0891678), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204596.0891678), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]), 112]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 21)
   Call: (175) [system] atom(21+1)
   Call: (175) [system] set_flag(translated_forms, 22)
   Exit: (175) [system] set_flag(translated_forms, 22)
   Exit: (174) [$syspreds] update_flag(translated_forms, 21, 21+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 21, 21+1))
   Exit: (171) [$syspreds] flag(translated_forms, 21, 21+1)
^  Call: (171) [user] write_metta_datalog_term((0x563acd7397e0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], ynthesize_long_1727204587_629323, 112)
^  Call: (172) [user] s2t_iz(ynthesize_long_1727204587_629323, _94234, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _94236)
   Call: (173) [system] (=)==(:)
^  Call: (173) [user] s2tl([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _94236)
   Call: (174) [system] compound([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
   Exit: (174) [system] compound([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Call: (174) [user] s2t(=, _98886)
   Call: (175) [system] compound(=)
   Call: (175) [system] (=)=_98886
   Exit: (175) [system] (=)=(=)
^  Exit: (174) [user] s2t(=, =)
^  Call: (174) [user] s2tl([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _98888)
   Call: (175) [system] compound([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
   Exit: (175) [system] compound([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Call: (175) [user] s2t([synthesize, _query, _kb, _rb, ['S', _k]], _106304)
   Call: (176) [system] compound([synthesize, _query, _kb, _rb, ['S', _k]])
   Exit: (176) [system] compound([synthesize, _query, _kb, _rb, ['S', _k]])
   Call: (176) [system] synthesize==(->)
   Call: (176) [system] synthesize=='Cons'
   Call: (176) [system] synthesize==(=)
   Call: (176) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
   Exit: (176) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
^  Call: (176) [user] apply:maplist(s2t, [synthesize, _query, _kb, _rb, ['S', _k]], _113716)
   Call: (177) [apply] apply:maplist_([synthesize, _query, _kb, _rb, ['S', _k]], _113716, user:s2t)
^  Call: (178) [user] s2t(synthesize, _115596)
   Call: (179) [system] compound(synthesize)
   Call: (179) [system] synthesize=_115596
   Exit: (179) [system] synthesize=synthesize
^  Exit: (178) [user] s2t(synthesize, synthesize)
   Call: (178) [apply] apply:maplist_([_query, _kb, _rb, ['S', _k]], _115598, user:s2t)
^  Call: (179) [user] s2t(_query, _121170)
   Call: (180) [system] compound(_query)
   Exit: (180) [system] compound(_query)
   Call: (180) [system] is_list(_query)
^  Call: (180) [user] s2tl(_query, _121170)
   Call: (181) [system] compound(_query)
   Exit: (181) [system] compound(_query)
^  Exit: (180) [user] s2tl(_query, _query)
^  Exit: (179) [user] s2t(_query, _query)
   Call: (179) [apply] apply:maplist_([_kb, _rb, ['S', _k]], _121172, user:s2t)
^  Call: (180) [user] s2t(_kb, _130440)
   Call: (181) [system] compound(_kb)
   Exit: (181) [system] compound(_kb)
   Call: (181) [system] is_list(_kb)
^  Call: (181) [user] s2tl(_kb, _130440)
   Call: (182) [system] compound(_kb)
   Exit: (182) [system] compound(_kb)
^  Exit: (181) [user] s2tl(_kb, _kb)
^  Exit: (180) [user] s2t(_kb, _kb)
   Call: (180) [apply] apply:maplist_([_rb, ['S', _k]], _130442, user:s2t)
^  Call: (181) [user] s2t(_rb, _139710)
   Call: (182) [system] compound(_rb)
   Exit: (182) [system] compound(_rb)
   Call: (182) [system] is_list(_rb)
^  Call: (182) [user] s2tl(_rb, _139710)
   Call: (183) [system] compound(_rb)
   Exit: (183) [system] compound(_rb)
^  Exit: (182) [user] s2tl(_rb, _rb)
^  Exit: (181) [user] s2t(_rb, _rb)
   Call: (181) [apply] apply:maplist_([['S', _k]], _139712, user:s2t)
^  Call: (182) [user] s2t(['S', _k], _148980)
   Call: (183) [system] compound(['S', _k])
   Exit: (183) [system] compound(['S', _k])
   Call: (183) [system] 'S'==(->)
   Call: (183) [system] 'S'=='Cons'
   Call: (183) [system] 'S'==(=)
   Call: (183) [system] is_list(['S', _k])
   Exit: (183) [system] is_list(['S', _k])
^  Call: (183) [user] apply:maplist(s2t, ['S', _k], _156392)
   Call: (184) [apply] apply:maplist_(['S', _k], _156392, user:s2t)
^  Call: (185) [user] s2t('S', _158272)
   Call: (186) [system] compound('S')
   Call: (186) [system] 'S'=_158272
   Exit: (186) [system] 'S'='S'
^  Exit: (185) [user] s2t('S', 'S')
   Call: (185) [apply] apply:maplist_([_k], _158274, user:s2t)
^  Call: (186) [user] s2t(_k, _163846)
   Call: (187) [system] compound(_k)
   Exit: (187) [system] compound(_k)
   Call: (187) [system] is_list(_k)
^  Call: (187) [user] s2tl(_k, _163846)
   Call: (188) [system] compound(_k)
   Exit: (188) [system] compound(_k)
^  Exit: (187) [user] s2tl(_k, _k)
^  Exit: (186) [user] s2t(_k, _k)
   Call: (186) [apply] apply:maplist_([], _163848, user:s2t)
   Exit: (186) [apply] apply:maplist_([], [], user:s2t)
   Exit: (185) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (184) [apply] apply:maplist_(['S', _k], ['S', _k], user:s2t)
^  Exit: (183) [apply] apply:maplist(user:s2t, ['S', _k], ['S', _k])
   Call: (183) [system] compound_name_arguments(_148980, t, ['S', _k])
   Exit: (183) [system] compound_name_arguments(t('S', _k), t, ['S', _k])
^  Exit: (182) [user] s2t(['S', _k], t('S', _k))
   Call: (182) [apply] apply:maplist_([], _148982, user:s2t)
   Exit: (182) [apply] apply:maplist_([], [], user:s2t)
   Exit: (181) [apply] apply:maplist_([['S', _k]], [t('S', _k)], user:s2t)
   Exit: (180) [apply] apply:maplist_([_rb, ['S', _k]], [_rb, t('S', _k)], user:s2t)
   Exit: (179) [apply] apply:maplist_([_kb, _rb, ['S', _k]], [_kb, _rb, t('S', _k)], user:s2t)
   Exit: (178) [apply] apply:maplist_([_query, _kb, _rb, ['S', _k]], [_query, _kb, _rb, t('S', _k)], user:s2t)
   Exit: (177) [apply] apply:maplist_([synthesize, _query, _kb, _rb, ['S', _k]], [synthesize, _query, _kb, _rb, t('S', _k)], user:s2t)
^  Exit: (176) [apply] apply:maplist(user:s2t, [synthesize, _query, _kb, _rb, ['S', _k]], [synthesize, _query, _kb, _rb, t('S', _k)])
   Call: (176) [system] compound_name_arguments(_106304, t, [synthesize, _query, _kb, _rb, t('S', _k)])
   Exit: (176) [system] compound_name_arguments(t(synthesize, _query, _kb, _rb, t('S', _k)), t, [synthesize, _query, _kb, _rb, t('S', _k)])
^  Exit: (175) [user] s2t([synthesize, _query, _kb, _rb, ['S', _k]], t(synthesize, _query, _kb, _rb, t('S', _k)))
^  Call: (175) [user] s2tl([['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _106306)
   Call: (176) [system] compound([['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
   Exit: (176) [system] compound([['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Call: (176) [user] s2t(['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query], _192690)
   Call: (177) [system] compound(['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query])
   Exit: (177) [system] compound(['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query])
   Call: (177) [system] 'let*'==(->)
   Call: (177) [system] 'let*'=='Cons'
   Call: (177) [system] 'let*'==(=)
   Call: (177) [system] is_list(['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query])
   Exit: (177) [system] is_list(['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query])
^  Call: (177) [user] apply:maplist(s2t, ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query], _200102)
   Call: (178) [apply] apply:maplist_(['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query], _200102, user:s2t)
^  Call: (179) [user] s2t('let*', _201982)
   Call: (180) [system] compound('let*')
   Call: (180) [system] 'let*'=_201982
   Exit: (180) [system] 'let*'='let*'
^  Exit: (179) [user] s2t('let*', 'let*')
   Call: (179) [apply] apply:maplist_([[[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query], _201984, user:s2t)
^  Call: (180) [user] s2t([[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _207556)
   Call: (181) [system] compound([[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]])
   Exit: (181) [system] compound([[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]])
   Call: (181) [system] [[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]]==(->)
   Call: (181) [system] [[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]]=='Cons'
   Call: (181) [system] [[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]]==(=)
   Call: (181) [system] is_list([[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]])
   Exit: (181) [system] is_list([[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]])
^  Call: (181) [user] apply:maplist(s2t, [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _214968)
   Call: (182) [apply] apply:maplist_([[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _214968, user:s2t)
^  Call: (183) [user] s2t([[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], _216848)
   Call: (184) [system] compound([[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]])
   Exit: (184) [system] compound([[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]])
   Call: (184) [system] [:, _ructor, [->, _premise1, _premise2, _conclusion]]==(->)
   Call: (184) [system] [:, _ructor, [->, _premise1, _premise2, _conclusion]]=='Cons'
   Call: (184) [system] [:, _ructor, [->, _premise1, _premise2, _conclusion]]==(=)
   Call: (184) [system] is_list([[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]])
   Exit: (184) [system] is_list([[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]])
^  Call: (184) [user] apply:maplist(s2t, [[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], _224260)
   Call: (185) [apply] apply:maplist_([[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], _224260, user:s2t)
^  Call: (186) [user] s2t([:, _ructor, [->, _premise1, _premise2, _conclusion]], _226140)
   Call: (187) [system] compound([:, _ructor, [->, _premise1, _premise2, _conclusion]])
   Exit: (187) [system] compound([:, _ructor, [->, _premise1, _premise2, _conclusion]])
   Call: (187) [system] (:)==(->)
   Call: (187) [system] (:)=='Cons'
   Call: (187) [system] (:)==(=)
   Call: (187) [system] is_list([:, _ructor, [->, _premise1, _premise2, _conclusion]])
   Exit: (187) [system] is_list([:, _ructor, [->, _premise1, _premise2, _conclusion]])
^  Call: (187) [user] apply:maplist(s2t, [:, _ructor, [->, _premise1, _premise2, _conclusion]], _233552)
   Call: (188) [apply] apply:maplist_([:, _ructor, [->, _premise1, _premise2, _conclusion]], _233552, user:s2t)
^  Call: (189) [user] s2t(:, _235432)
   Call: (190) [system] compound(:)
   Call: (190) [system] (:)=_235432
   Exit: (190) [system] (:)=(:)
^  Exit: (189) [user] s2t(:, :)
   Call: (189) [apply] apply:maplist_([_ructor, [->, _premise1, _premise2, _conclusion]], _235434, user:s2t)
^  Call: (190) [user] s2t(_ructor, _241006)
   Call: (191) [system] compound(_ructor)
   Exit: (191) [system] compound(_ructor)
   Call: (191) [system] is_list(_ructor)
^  Call: (191) [user] s2tl(_ructor, _241006)
   Call: (192) [system] compound(_ructor)
   Exit: (192) [system] compound(_ructor)
^  Exit: (191) [user] s2tl(_ructor, _ructor)
^  Exit: (190) [user] s2t(_ructor, _ructor)
   Call: (190) [apply] apply:maplist_([[->, _premise1, _premise2, _conclusion]], _241008, user:s2t)
^  Call: (191) [user] s2t([->, _premise1, _premise2, _conclusion], _250276)
   Call: (192) [system] compound([->, _premise1, _premise2, _conclusion])
   Exit: (192) [system] compound([->, _premise1, _premise2, _conclusion])
   Call: (192) [system] (->)==(->)
   Exit: (192) [system] (->)==(->)
^  Call: (192) [user] s2tl([_premise1, _premise2, _conclusion], _254912)
   Call: (193) [system] compound([_premise1, _premise2, _conclusion])
   Exit: (193) [system] compound([_premise1, _premise2, _conclusion])
^  Call: (193) [user] s2t(_premise1, _257692)
   Call: (194) [system] compound(_premise1)
   Exit: (194) [system] compound(_premise1)
   Call: (194) [system] is_list(_premise1)
^  Call: (194) [user] s2tl(_premise1, _257692)
   Call: (195) [system] compound(_premise1)
   Exit: (195) [system] compound(_premise1)
^  Exit: (194) [user] s2tl(_premise1, _premise1)
^  Exit: (193) [user] s2t(_premise1, _premise1)
^  Call: (193) [user] s2tl([_premise2, _conclusion], _257694)
   Call: (194) [system] compound([_premise2, _conclusion])
   Exit: (194) [system] compound([_premise2, _conclusion])
^  Call: (194) [user] s2t(_premise2, _268806)
   Call: (195) [system] compound(_premise2)
   Exit: (195) [system] compound(_premise2)
   Call: (195) [system] is_list(_premise2)
^  Call: (195) [user] s2tl(_premise2, _268806)
   Call: (196) [system] compound(_premise2)
   Exit: (196) [system] compound(_premise2)
^  Exit: (195) [user] s2tl(_premise2, _premise2)
^  Exit: (194) [user] s2t(_premise2, _premise2)
^  Call: (194) [user] s2tl([_conclusion], _268808)
   Call: (195) [system] compound([_conclusion])
   Exit: (195) [system] compound([_conclusion])
^  Call: (195) [user] s2t(_conclusion, _279920)
   Call: (196) [system] compound(_conclusion)
   Exit: (196) [system] compound(_conclusion)
   Call: (196) [system] is_list(_conclusion)
^  Call: (196) [user] s2tl(_conclusion, _279920)
   Call: (197) [system] compound(_conclusion)
   Exit: (197) [system] compound(_conclusion)
^  Exit: (196) [user] s2tl(_conclusion, _conclusion)
^  Exit: (195) [user] s2t(_conclusion, _conclusion)
^  Call: (195) [user] s2tl([], _279922)
   Call: (196) [system] compound([])
   Call: (196) [system] []=_279922
   Exit: (196) [system] []=[]
^  Exit: (195) [user] s2tl([], [])
^  Exit: (194) [user] s2tl([_conclusion], [_conclusion])
^  Exit: (193) [user] s2tl([_premise2, _conclusion], [_premise2, _conclusion])
^  Exit: (192) [user] s2tl([_premise1, _premise2, _conclusion], [_premise1, _premise2, _conclusion])
   Call: (192) [system] _250276=..[->, [_premise1, _premise2, _conclusion]]
   Exit: (192) [system] ->([_premise1, _premise2, _conclusion])=..[->, [_premise1, _premise2, _conclusion]]
^  Exit: (191) [user] s2t([->, _premise1, _premise2, _conclusion], ->([_premise1, _premise2, _conclusion]))
   Call: (191) [apply] apply:maplist_([], _250278, user:s2t)
   Exit: (191) [apply] apply:maplist_([], [], user:s2t)
   Exit: (190) [apply] apply:maplist_([[->, _premise1, _premise2, _conclusion]], [->([_premise1, _premise2, _conclusion])], user:s2t)
   Exit: (189) [apply] apply:maplist_([_ructor, [->, _premise1, _premise2, _conclusion]], [_ructor, ->([_premise1, _premise2, _conclusion])], user:s2t)
   Exit: (188) [apply] apply:maplist_([:, _ructor, [->, _premise1, _premise2, _conclusion]], [:, _ructor, ->([_premise1, _premise2, _conclusion])], user:s2t)
^  Exit: (187) [apply] apply:maplist(user:s2t, [:, _ructor, [->, _premise1, _premise2, _conclusion]], [:, _ructor, ->([_premise1, _premise2, _conclusion])])
   Call: (187) [system] compound_name_arguments(_226140, t, [:, _ructor, ->([_premise1, _premise2, _conclusion])])
   Exit: (187) [system] compound_name_arguments(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t, [:, _ructor, ->([_premise1, _premise2, _conclusion])])
^  Exit: (186) [user] s2t([:, _ructor, [->, _premise1, _premise2, _conclusion]], t(:, _ructor, ->([_premise1, _premise2, _conclusion])))
   Call: (186) [apply] apply:maplist_([[_rb]], _226142, user:s2t)
^  Call: (187) [user] s2t([_rb], _307808)
   Call: (188) [system] compound([_rb])
   Exit: (188) [system] compound([_rb])
   Call: (188) [system] _rb==(->)
   Call: (188) [system] _rb=='Cons'
   Call: (188) [system] _rb==(=)
   Call: (188) [system] is_list([_rb])
   Exit: (188) [system] is_list([_rb])
^  Call: (188) [user] apply:maplist(s2t, [_rb], _315220)
   Call: (189) [apply] apply:maplist_([_rb], _315220, user:s2t)
^  Call: (190) [user] s2t(_rb, _317100)
   Call: (191) [system] compound(_rb)
   Exit: (191) [system] compound(_rb)
   Call: (191) [system] is_list(_rb)
^  Call: (191) [user] s2tl(_rb, _317100)
   Call: (192) [system] compound(_rb)
   Exit: (192) [system] compound(_rb)
^  Exit: (191) [user] s2tl(_rb, _rb)
^  Exit: (190) [user] s2t(_rb, _rb)
   Call: (190) [apply] apply:maplist_([], _317102, user:s2t)
   Exit: (190) [apply] apply:maplist_([], [], user:s2t)
   Exit: (189) [apply] apply:maplist_([_rb], [_rb], user:s2t)
^  Exit: (188) [apply] apply:maplist(user:s2t, [_rb], [_rb])
   Call: (188) [system] compound_name_arguments(_307808, t, [_rb])
   Exit: (188) [system] compound_name_arguments(t(_rb), t, [_rb])
^  Exit: (187) [user] s2t([_rb], t(_rb))
   Call: (187) [apply] apply:maplist_([], _307810, user:s2t)
   Exit: (187) [apply] apply:maplist_([], [], user:s2t)
   Exit: (186) [apply] apply:maplist_([[_rb]], [t(_rb)], user:s2t)
   Exit: (185) [apply] apply:maplist_([[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)], user:s2t)
^  Exit: (184) [apply] apply:maplist(user:s2t, [[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)])
   Call: (184) [system] compound_name_arguments(_216848, t, [t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)])
   Exit: (184) [system] compound_name_arguments(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t, [t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)])
^  Exit: (183) [user] s2t([[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)))
   Call: (183) [apply] apply:maplist_([[[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _216850, user:s2t)
^  Call: (184) [user] s2t([[:, [_ructor, _proof1, _proof2], _conclusion], _query], _340364)
   Call: (185) [system] compound([[:, [_ructor, _proof1, _proof2], _conclusion], _query])
   Exit: (185) [system] compound([[:, [_ructor, _proof1, _proof2], _conclusion], _query])
   Call: (185) [system] [:, [_ructor, _proof1, _proof2], _conclusion]==(->)
   Call: (185) [system] [:, [_ructor, _proof1, _proof2], _conclusion]=='Cons'
   Call: (185) [system] [:, [_ructor, _proof1, _proof2], _conclusion]==(=)
   Call: (185) [system] is_list([[:, [_ructor, _proof1, _proof2], _conclusion], _query])
   Exit: (185) [system] is_list([[:, [_ructor, _proof1, _proof2], _conclusion], _query])
^  Call: (185) [user] apply:maplist(s2t, [[:, [_ructor, _proof1, _proof2], _conclusion], _query], _347776)
   Call: (186) [apply] apply:maplist_([[:, [_ructor, _proof1, _proof2], _conclusion], _query], _347776, user:s2t)
^  Call: (187) [user] s2t([:, [_ructor, _proof1, _proof2], _conclusion], _349656)
   Call: (188) [system] compound([:, [_ructor, _proof1, _proof2], _conclusion])
   Exit: (188) [system] compound([:, [_ructor, _proof1, _proof2], _conclusion])
   Call: (188) [system] (:)==(->)
   Call: (188) [system] (:)=='Cons'
   Call: (188) [system] (:)==(=)
   Call: (188) [system] is_list([:, [_ructor, _proof1, _proof2], _conclusion])
   Exit: (188) [system] is_list([:, [_ructor, _proof1, _proof2], _conclusion])
^  Call: (188) [user] apply:maplist(s2t, [:, [_ructor, _proof1, _proof2], _conclusion], _357068)
   Call: (189) [apply] apply:maplist_([:, [_ructor, _proof1, _proof2], _conclusion], _357068, user:s2t)
^  Call: (190) [user] s2t(:, _358948)
   Call: (191) [system] compound(:)
   Call: (191) [system] (:)=_358948
   Exit: (191) [system] (:)=(:)
^  Exit: (190) [user] s2t(:, :)
   Call: (190) [apply] apply:maplist_([[_ructor, _proof1, _proof2], _conclusion], _358950, user:s2t)
^  Call: (191) [user] s2t([_ructor, _proof1, _proof2], _364522)
   Call: (192) [system] compound([_ructor, _proof1, _proof2])
   Exit: (192) [system] compound([_ructor, _proof1, _proof2])
   Call: (192) [system] _ructor==(->)
   Call: (192) [system] _ructor=='Cons'
   Call: (192) [system] _ructor==(=)
   Call: (192) [system] is_list([_ructor, _proof1, _proof2])
   Exit: (192) [system] is_list([_ructor, _proof1, _proof2])
^  Call: (192) [user] apply:maplist(s2t, [_ructor, _proof1, _proof2], _371934)
   Call: (193) [apply] apply:maplist_([_ructor, _proof1, _proof2], _371934, user:s2t)
^  Call: (194) [user] s2t(_ructor, _373814)
   Call: (195) [system] compound(_ructor)
   Exit: (195) [system] compound(_ructor)
   Call: (195) [system] is_list(_ructor)
^  Call: (195) [user] s2tl(_ructor, _373814)
   Call: (196) [system] compound(_ructor)
   Exit: (196) [system] compound(_ructor)
^  Exit: (195) [user] s2tl(_ructor, _ructor)
^  Exit: (194) [user] s2t(_ructor, _ructor)
   Call: (194) [apply] apply:maplist_([_proof1, _proof2], _373816, user:s2t)
^  Call: (195) [user] s2t(_proof1, _383084)
   Call: (196) [system] compound(_proof1)
   Exit: (196) [system] compound(_proof1)
   Call: (196) [system] is_list(_proof1)
^  Call: (196) [user] s2tl(_proof1, _383084)
   Call: (197) [system] compound(_proof1)
   Exit: (197) [system] compound(_proof1)
^  Exit: (196) [user] s2tl(_proof1, _proof1)
^  Exit: (195) [user] s2t(_proof1, _proof1)
   Call: (195) [apply] apply:maplist_([_proof2], _383086, user:s2t)
^  Call: (196) [user] s2t(_proof2, _392354)
   Call: (197) [system] compound(_proof2)
   Exit: (197) [system] compound(_proof2)
   Call: (197) [system] is_list(_proof2)
^  Call: (197) [user] s2tl(_proof2, _392354)
   Call: (198) [system] compound(_proof2)
   Exit: (198) [system] compound(_proof2)
^  Exit: (197) [user] s2tl(_proof2, _proof2)
^  Exit: (196) [user] s2t(_proof2, _proof2)
   Call: (196) [apply] apply:maplist_([], _392356, user:s2t)
   Exit: (196) [apply] apply:maplist_([], [], user:s2t)
   Exit: (195) [apply] apply:maplist_([_proof2], [_proof2], user:s2t)
   Exit: (194) [apply] apply:maplist_([_proof1, _proof2], [_proof1, _proof2], user:s2t)
   Exit: (193) [apply] apply:maplist_([_ructor, _proof1, _proof2], [_ructor, _proof1, _proof2], user:s2t)
^  Exit: (192) [apply] apply:maplist(user:s2t, [_ructor, _proof1, _proof2], [_ructor, _proof1, _proof2])
   Call: (192) [system] compound_name_arguments(_364522, t, [_ructor, _proof1, _proof2])
   Exit: (192) [system] compound_name_arguments(t(_ructor, _proof1, _proof2), t, [_ructor, _proof1, _proof2])
^  Exit: (191) [user] s2t([_ructor, _proof1, _proof2], t(_ructor, _proof1, _proof2))
   Call: (191) [apply] apply:maplist_([_conclusion], _364524, user:s2t)
^  Call: (192) [user] s2t(_conclusion, _410022)
   Call: (193) [system] compound(_conclusion)
   Exit: (193) [system] compound(_conclusion)
   Call: (193) [system] is_list(_conclusion)
^  Call: (193) [user] s2tl(_conclusion, _410022)
   Call: (194) [system] compound(_conclusion)
   Exit: (194) [system] compound(_conclusion)
^  Exit: (193) [user] s2tl(_conclusion, _conclusion)
^  Exit: (192) [user] s2t(_conclusion, _conclusion)
   Call: (192) [apply] apply:maplist_([], _410024, user:s2t)
   Exit: (192) [apply] apply:maplist_([], [], user:s2t)
   Exit: (191) [apply] apply:maplist_([_conclusion], [_conclusion], user:s2t)
   Exit: (190) [apply] apply:maplist_([[_ructor, _proof1, _proof2], _conclusion], [t(_ructor, _proof1, _proof2), _conclusion], user:s2t)
   Exit: (189) [apply] apply:maplist_([:, [_ructor, _proof1, _proof2], _conclusion], [:, t(_ructor, _proof1, _proof2), _conclusion], user:s2t)
^  Exit: (188) [apply] apply:maplist(user:s2t, [:, [_ructor, _proof1, _proof2], _conclusion], [:, t(_ructor, _proof1, _proof2), _conclusion])
   Call: (188) [system] compound_name_arguments(_349656, t, [:, t(_ructor, _proof1, _proof2), _conclusion])
   Exit: (188) [system] compound_name_arguments(t(:, t(_ructor, _proof1, _proof2), _conclusion), t, [:, t(_ructor, _proof1, _proof2), _conclusion])
^  Exit: (187) [user] s2t([:, [_ructor, _proof1, _proof2], _conclusion], t(:, t(_ructor, _proof1, _proof2), _conclusion))
   Call: (187) [apply] apply:maplist_([_query], _349658, user:s2t)
^  Call: (188) [user] s2t(_query, _427690)
   Call: (189) [system] compound(_query)
   Exit: (189) [system] compound(_query)
   Call: (189) [system] is_list(_query)
^  Call: (189) [user] s2tl(_query, _427690)
   Call: (190) [system] compound(_query)
   Exit: (190) [system] compound(_query)
^  Exit: (189) [user] s2tl(_query, _query)
^  Exit: (188) [user] s2t(_query, _query)
   Call: (188) [apply] apply:maplist_([], _427692, user:s2t)
   Exit: (188) [apply] apply:maplist_([], [], user:s2t)
   Exit: (187) [apply] apply:maplist_([_query], [_query], user:s2t)
   Exit: (186) [apply] apply:maplist_([[:, [_ructor, _proof1, _proof2], _conclusion], _query], [t(:, t(_ructor, _proof1, _proof2), _conclusion), _query], user:s2t)
^  Exit: (185) [apply] apply:maplist(user:s2t, [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [t(:, t(_ructor, _proof1, _proof2), _conclusion), _query])
   Call: (185) [system] compound_name_arguments(_340364, t, [t(:, t(_ructor, _proof1, _proof2), _conclusion), _query])
   Exit: (185) [system] compound_name_arguments(t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t, [t(:, t(_ructor, _proof1, _proof2), _conclusion), _query])
^  Exit: (184) [user] s2t([[:, [_ructor, _proof1, _proof2], _conclusion], _query], t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query))
   Call: (184) [apply] apply:maplist_([[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _340366, user:s2t)
^  Call: (185) [user] s2t([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], _444424)
   Call: (186) [system] compound([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
   Exit: (186) [system] compound([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
   Call: (186) [system] [:, _proof1, _premise1]==(->)
   Call: (186) [system] [:, _proof1, _premise1]=='Cons'
   Call: (186) [system] [:, _proof1, _premise1]==(=)
   Call: (186) [system] is_list([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
   Exit: (186) [system] is_list([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
^  Call: (186) [user] apply:maplist(s2t, [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], _451836)
   Call: (187) [apply] apply:maplist_([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], _451836, user:s2t)
^  Call: (188) [user] s2t([:, _proof1, _premise1], _453716)
   Call: (189) [system] compound([:, _proof1, _premise1])
   Exit: (189) [system] compound([:, _proof1, _premise1])
   Call: (189) [system] (:)==(->)
   Call: (189) [system] (:)=='Cons'
   Call: (189) [system] (:)==(=)
   Call: (189) [system] is_list([:, _proof1, _premise1])
   Exit: (189) [system] is_list([:, _proof1, _premise1])
^  Call: (189) [user] apply:maplist(s2t, [:, _proof1, _premise1], _461128)
   Call: (190) [apply] apply:maplist_([:, _proof1, _premise1], _461128, user:s2t)
^  Call: (191) [user] s2t(:, _463008)
   Call: (192) [system] compound(:)
   Call: (192) [system] (:)=_463008
   Exit: (192) [system] (:)=(:)
^  Exit: (191) [user] s2t(:, :)
   Call: (191) [apply] apply:maplist_([_proof1, _premise1], _463010, user:s2t)
^  Call: (192) [user] s2t(_proof1, _468582)
   Call: (193) [system] compound(_proof1)
   Exit: (193) [system] compound(_proof1)
   Call: (193) [system] is_list(_proof1)
^  Call: (193) [user] s2tl(_proof1, _468582)
   Call: (194) [system] compound(_proof1)
   Exit: (194) [system] compound(_proof1)
^  Exit: (193) [user] s2tl(_proof1, _proof1)
^  Exit: (192) [user] s2t(_proof1, _proof1)
   Call: (192) [apply] apply:maplist_([_premise1], _468584, user:s2t)
^  Call: (193) [user] s2t(_premise1, _477852)
   Call: (194) [system] compound(_premise1)
   Exit: (194) [system] compound(_premise1)
   Call: (194) [system] is_list(_premise1)
^  Call: (194) [user] s2tl(_premise1, _477852)
   Call: (195) [system] compound(_premise1)
   Exit: (195) [system] compound(_premise1)
^  Exit: (194) [user] s2tl(_premise1, _premise1)
^  Exit: (193) [user] s2t(_premise1, _premise1)
   Call: (193) [apply] apply:maplist_([], _477854, user:s2t)
   Exit: (193) [apply] apply:maplist_([], [], user:s2t)
   Exit: (192) [apply] apply:maplist_([_premise1], [_premise1], user:s2t)
   Exit: (191) [apply] apply:maplist_([_proof1, _premise1], [_proof1, _premise1], user:s2t)
   Exit: (190) [apply] apply:maplist_([:, _proof1, _premise1], [:, _proof1, _premise1], user:s2t)
^  Exit: (189) [apply] apply:maplist(user:s2t, [:, _proof1, _premise1], [:, _proof1, _premise1])
   Call: (189) [system] compound_name_arguments(_453716, t, [:, _proof1, _premise1])
   Exit: (189) [system] compound_name_arguments(t(:, _proof1, _premise1), t, [:, _proof1, _premise1])
^  Exit: (188) [user] s2t([:, _proof1, _premise1], t(:, _proof1, _premise1))
   Call: (188) [apply] apply:maplist_([[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], _453718, user:s2t)
^  Call: (189) [user] s2t([synthesize, [:, _proof1, _premise1], _kb, _rb, _k], _495520)
   Call: (190) [system] compound([synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
   Exit: (190) [system] compound([synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
   Call: (190) [system] synthesize==(->)
   Call: (190) [system] synthesize=='Cons'
   Call: (190) [system] synthesize==(=)
   Call: (190) [system] is_list([synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
   Exit: (190) [system] is_list([synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
^  Call: (190) [user] apply:maplist(s2t, [synthesize, [:, _proof1, _premise1], _kb, _rb, _k], _502932)
   Call: (191) [apply] apply:maplist_([synthesize, [:, _proof1, _premise1], _kb, _rb, _k], _502932, user:s2t)
^  Call: (192) [user] s2t(synthesize, _504812)
   Call: (193) [system] compound(synthesize)
   Call: (193) [system] synthesize=_504812
   Exit: (193) [system] synthesize=synthesize
^  Exit: (192) [user] s2t(synthesize, synthesize)
   Call: (192) [apply] apply:maplist_([[:, _proof1, _premise1], _kb, _rb, _k], _504814, user:s2t)
^  Call: (193) [user] s2t([:, _proof1, _premise1], _510386)
   Call: (194) [system] compound([:, _proof1, _premise1])
   Exit: (194) [system] compound([:, _proof1, _premise1])
   Call: (194) [system] (:)==(->)
   Call: (194) [system] (:)=='Cons'
   Call: (194) [system] (:)==(=)
   Call: (194) [system] is_list([:, _proof1, _premise1])
   Exit: (194) [system] is_list([:, _proof1, _premise1])
^  Call: (194) [user] apply:maplist(s2t, [:, _proof1, _premise1], _517798)
   Call: (195) [apply] apply:maplist_([:, _proof1, _premise1], _517798, user:s2t)
^  Call: (196) [user] s2t(:, _519678)
   Call: (197) [system] compound(:)
   Call: (197) [system] (:)=_519678
   Exit: (197) [system] (:)=(:)
^  Exit: (196) [user] s2t(:, :)
   Call: (196) [apply] apply:maplist_([_proof1, _premise1], _519680, user:s2t)
^  Call: (197) [user] s2t(_proof1, _525252)
   Call: (198) [system] compound(_proof1)
   Exit: (198) [system] compound(_proof1)
   Call: (198) [system] is_list(_proof1)
^  Call: (198) [user] s2tl(_proof1, _525252)
   Call: (199) [system] compound(_proof1)
   Exit: (199) [system] compound(_proof1)
^  Exit: (198) [user] s2tl(_proof1, _proof1)
^  Exit: (197) [user] s2t(_proof1, _proof1)
   Call: (197) [apply] apply:maplist_([_premise1], _525254, user:s2t)
^  Call: (198) [user] s2t(_premise1, _534522)
   Call: (199) [system] compound(_premise1)
   Exit: (199) [system] compound(_premise1)
   Call: (199) [system] is_list(_premise1)
^  Call: (199) [user] s2tl(_premise1, _534522)
   Call: (200) [system] compound(_premise1)
   Exit: (200) [system] compound(_premise1)
^  Exit: (199) [user] s2tl(_premise1, _premise1)
^  Exit: (198) [user] s2t(_premise1, _premise1)
   Call: (198) [apply] apply:maplist_([], _534524, user:s2t)
   Exit: (198) [apply] apply:maplist_([], [], user:s2t)
   Exit: (197) [apply] apply:maplist_([_premise1], [_premise1], user:s2t)
   Exit: (196) [apply] apply:maplist_([_proof1, _premise1], [_proof1, _premise1], user:s2t)
   Exit: (195) [apply] apply:maplist_([:, _proof1, _premise1], [:, _proof1, _premise1], user:s2t)
^  Exit: (194) [apply] apply:maplist(user:s2t, [:, _proof1, _premise1], [:, _proof1, _premise1])
   Call: (194) [system] compound_name_arguments(_510386, t, [:, _proof1, _premise1])
   Exit: (194) [system] compound_name_arguments(t(:, _proof1, _premise1), t, [:, _proof1, _premise1])
^  Exit: (193) [user] s2t([:, _proof1, _premise1], t(:, _proof1, _premise1))
   Call: (193) [apply] apply:maplist_([_kb, _rb, _k], _510388, user:s2t)
^  Call: (194) [user] s2t(_kb, _552190)
   Call: (195) [system] compound(_kb)
   Exit: (195) [system] compound(_kb)
   Call: (195) [system] is_list(_kb)
^  Call: (195) [user] s2tl(_kb, _552190)
   Call: (196) [system] compound(_kb)
   Exit: (196) [system] compound(_kb)
^  Exit: (195) [user] s2tl(_kb, _kb)
^  Exit: (194) [user] s2t(_kb, _kb)
   Call: (194) [apply] apply:maplist_([_rb, _k], _552192, user:s2t)
^  Call: (195) [user] s2t(_rb, _561460)
   Call: (196) [system] compound(_rb)
   Exit: (196) [system] compound(_rb)
   Call: (196) [system] is_list(_rb)
^  Call: (196) [user] s2tl(_rb, _561460)
   Call: (197) [system] compound(_rb)
   Exit: (197) [system] compound(_rb)
^  Exit: (196) [user] s2tl(_rb, _rb)
^  Exit: (195) [user] s2t(_rb, _rb)
   Call: (195) [apply] apply:maplist_([_k], _561462, user:s2t)
^  Call: (196) [user] s2t(_k, _570730)
   Call: (197) [system] compound(_k)
   Exit: (197) [system] compound(_k)
   Call: (197) [system] is_list(_k)
^  Call: (197) [user] s2tl(_k, _570730)
   Call: (198) [system] compound(_k)
   Exit: (198) [system] compound(_k)
^  Exit: (197) [user] s2tl(_k, _k)
^  Exit: (196) [user] s2t(_k, _k)
   Call: (196) [apply] apply:maplist_([], _570732, user:s2t)
   Exit: (196) [apply] apply:maplist_([], [], user:s2t)
   Exit: (195) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (194) [apply] apply:maplist_([_rb, _k], [_rb, _k], user:s2t)
   Exit: (193) [apply] apply:maplist_([_kb, _rb, _k], [_kb, _rb, _k], user:s2t)
   Exit: (192) [apply] apply:maplist_([[:, _proof1, _premise1], _kb, _rb, _k], [t(:, _proof1, _premise1), _kb, _rb, _k], user:s2t)
   Exit: (191) [apply] apply:maplist_([synthesize, [:, _proof1, _premise1], _kb, _rb, _k], [synthesize, t(:, _proof1, _premise1), _kb, _rb, _k], user:s2t)
^  Exit: (190) [apply] apply:maplist(user:s2t, [synthesize, [:, _proof1, _premise1], _kb, _rb, _k], [synthesize, t(:, _proof1, _premise1), _kb, _rb, _k])
   Call: (190) [system] compound_name_arguments(_495520, t, [synthesize, t(:, _proof1, _premise1), _kb, _rb, _k])
   Exit: (190) [system] compound_name_arguments(t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k), t, [synthesize, t(:, _proof1, _premise1), _kb, _rb, _k])
^  Exit: (189) [user] s2t([synthesize, [:, _proof1, _premise1], _kb, _rb, _k], t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k))
   Call: (189) [apply] apply:maplist_([], _495522, user:s2t)
   Exit: (189) [apply] apply:maplist_([], [], user:s2t)
   Exit: (188) [apply] apply:maplist_([[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)], user:s2t)
   Exit: (187) [apply] apply:maplist_([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)], user:s2t)
^  Exit: (186) [apply] apply:maplist(user:s2t, [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)])
   Call: (186) [system] compound_name_arguments(_444424, t, [t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)])
   Exit: (186) [system] compound_name_arguments(t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t, [t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)])
^  Exit: (185) [user] s2t([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)))
   Call: (185) [apply] apply:maplist_([[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _444426, user:s2t)
^  Call: (186) [user] s2t([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], _597730)
   Call: (187) [system] compound([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
   Exit: (187) [system] compound([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
   Call: (187) [system] [:, _proof2, _premise2]==(->)
   Call: (187) [system] [:, _proof2, _premise2]=='Cons'
   Call: (187) [system] [:, _proof2, _premise2]==(=)
   Call: (187) [system] is_list([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
   Exit: (187) [system] is_list([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
^  Call: (187) [user] apply:maplist(s2t, [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], _605142)
   Call: (188) [apply] apply:maplist_([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], _605142, user:s2t)
^  Call: (189) [user] s2t([:, _proof2, _premise2], _607022)
   Call: (190) [system] compound([:, _proof2, _premise2])
   Exit: (190) [system] compound([:, _proof2, _premise2])
   Call: (190) [system] (:)==(->)
   Call: (190) [system] (:)=='Cons'
   Call: (190) [system] (:)==(=)
   Call: (190) [system] is_list([:, _proof2, _premise2])
   Exit: (190) [system] is_list([:, _proof2, _premise2])
^  Call: (190) [user] apply:maplist(s2t, [:, _proof2, _premise2], _614434)
   Call: (191) [apply] apply:maplist_([:, _proof2, _premise2], _614434, user:s2t)
^  Call: (192) [user] s2t(:, _616314)
   Call: (193) [system] compound(:)
   Call: (193) [system] (:)=_616314
   Exit: (193) [system] (:)=(:)
^  Exit: (192) [user] s2t(:, :)
   Call: (192) [apply] apply:maplist_([_proof2, _premise2], _616316, user:s2t)
^  Call: (193) [user] s2t(_proof2, _621888)
   Call: (194) [system] compound(_proof2)
   Exit: (194) [system] compound(_proof2)
   Call: (194) [system] is_list(_proof2)
^  Call: (194) [user] s2tl(_proof2, _621888)
   Call: (195) [system] compound(_proof2)
   Exit: (195) [system] compound(_proof2)
^  Exit: (194) [user] s2tl(_proof2, _proof2)
^  Exit: (193) [user] s2t(_proof2, _proof2)
   Call: (193) [apply] apply:maplist_([_premise2], _621890, user:s2t)
^  Call: (194) [user] s2t(_premise2, _631158)
   Call: (195) [system] compound(_premise2)
   Exit: (195) [system] compound(_premise2)
   Call: (195) [system] is_list(_premise2)
^  Call: (195) [user] s2tl(_premise2, _631158)
   Call: (196) [system] compound(_premise2)
   Exit: (196) [system] compound(_premise2)
^  Exit: (195) [user] s2tl(_premise2, _premise2)
^  Exit: (194) [user] s2t(_premise2, _premise2)
   Call: (194) [apply] apply:maplist_([], _631160, user:s2t)
   Exit: (194) [apply] apply:maplist_([], [], user:s2t)
   Exit: (193) [apply] apply:maplist_([_premise2], [_premise2], user:s2t)
   Exit: (192) [apply] apply:maplist_([_proof2, _premise2], [_proof2, _premise2], user:s2t)
   Exit: (191) [apply] apply:maplist_([:, _proof2, _premise2], [:, _proof2, _premise2], user:s2t)
^  Exit: (190) [apply] apply:maplist(user:s2t, [:, _proof2, _premise2], [:, _proof2, _premise2])
   Call: (190) [system] compound_name_arguments(_607022, t, [:, _proof2, _premise2])
   Exit: (190) [system] compound_name_arguments(t(:, _proof2, _premise2), t, [:, _proof2, _premise2])
^  Exit: (189) [user] s2t([:, _proof2, _premise2], t(:, _proof2, _premise2))
   Call: (189) [apply] apply:maplist_([[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], _607024, user:s2t)
^  Call: (190) [user] s2t([synthesize, [:, _proof2, _premise2], _kb, _rb, _k], _648826)
   Call: (191) [system] compound([synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
   Exit: (191) [system] compound([synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
   Call: (191) [system] synthesize==(->)
   Call: (191) [system] synthesize=='Cons'
   Call: (191) [system] synthesize==(=)
   Call: (191) [system] is_list([synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
   Exit: (191) [system] is_list([synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
^  Call: (191) [user] apply:maplist(s2t, [synthesize, [:, _proof2, _premise2], _kb, _rb, _k], _656238)
   Call: (192) [apply] apply:maplist_([synthesize, [:, _proof2, _premise2], _kb, _rb, _k], _656238, user:s2t)
^  Call: (193) [user] s2t(synthesize, _658118)
   Call: (194) [system] compound(synthesize)
   Call: (194) [system] synthesize=_658118
   Exit: (194) [system] synthesize=synthesize
^  Exit: (193) [user] s2t(synthesize, synthesize)
   Call: (193) [apply] apply:maplist_([[:, _proof2, _premise2], _kb, _rb, _k], _658120, user:s2t)
^  Call: (194) [user] s2t([:, _proof2, _premise2], _663692)
   Call: (195) [system] compound([:, _proof2, _premise2])
   Exit: (195) [system] compound([:, _proof2, _premise2])
   Call: (195) [system] (:)==(->)
   Call: (195) [system] (:)=='Cons'
   Call: (195) [system] (:)==(=)
   Call: (195) [system] is_list([:, _proof2, _premise2])
   Exit: (195) [system] is_list([:, _proof2, _premise2])
^  Call: (195) [user] apply:maplist(s2t, [:, _proof2, _premise2], _671104)
   Call: (196) [apply] apply:maplist_([:, _proof2, _premise2], _671104, user:s2t)
^  Call: (197) [user] s2t(:, _672984)
   Call: (198) [system] compound(:)
   Call: (198) [system] (:)=_672984
   Exit: (198) [system] (:)=(:)
^  Exit: (197) [user] s2t(:, :)
   Call: (197) [apply] apply:maplist_([_proof2, _premise2], _672986, user:s2t)
^  Call: (198) [user] s2t(_proof2, _678558)
   Call: (199) [system] compound(_proof2)
   Exit: (199) [system] compound(_proof2)
   Call: (199) [system] is_list(_proof2)
^  Call: (199) [user] s2tl(_proof2, _678558)
   Call: (200) [system] compound(_proof2)
   Exit: (200) [system] compound(_proof2)
^  Exit: (199) [user] s2tl(_proof2, _proof2)
^  Exit: (198) [user] s2t(_proof2, _proof2)
   Call: (198) [apply] apply:maplist_([_premise2], _678560, user:s2t)
^  Call: (199) [user] s2t(_premise2, _687828)
   Call: (200) [system] compound(_premise2)
   Exit: (200) [system] compound(_premise2)
   Call: (200) [system] is_list(_premise2)
^  Call: (200) [user] s2tl(_premise2, _687828)
   Call: (201) [system] compound(_premise2)
   Exit: (201) [system] compound(_premise2)
^  Exit: (200) [user] s2tl(_premise2, _premise2)
^  Exit: (199) [user] s2t(_premise2, _premise2)
   Call: (199) [apply] apply:maplist_([], _687830, user:s2t)
   Exit: (199) [apply] apply:maplist_([], [], user:s2t)
   Exit: (198) [apply] apply:maplist_([_premise2], [_premise2], user:s2t)
   Exit: (197) [apply] apply:maplist_([_proof2, _premise2], [_proof2, _premise2], user:s2t)
   Exit: (196) [apply] apply:maplist_([:, _proof2, _premise2], [:, _proof2, _premise2], user:s2t)
^  Exit: (195) [apply] apply:maplist(user:s2t, [:, _proof2, _premise2], [:, _proof2, _premise2])
   Call: (195) [system] compound_name_arguments(_663692, t, [:, _proof2, _premise2])
   Exit: (195) [system] compound_name_arguments(t(:, _proof2, _premise2), t, [:, _proof2, _premise2])
^  Exit: (194) [user] s2t([:, _proof2, _premise2], t(:, _proof2, _premise2))
   Call: (194) [apply] apply:maplist_([_kb, _rb, _k], _663694, user:s2t)
^  Call: (195) [user] s2t(_kb, _705496)
   Call: (196) [system] compound(_kb)
   Exit: (196) [system] compound(_kb)
   Call: (196) [system] is_list(_kb)
^  Call: (196) [user] s2tl(_kb, _705496)
   Call: (197) [system] compound(_kb)
   Exit: (197) [system] compound(_kb)
^  Exit: (196) [user] s2tl(_kb, _kb)
^  Exit: (195) [user] s2t(_kb, _kb)
   Call: (195) [apply] apply:maplist_([_rb, _k], _705498, user:s2t)
^  Call: (196) [user] s2t(_rb, _714766)
   Call: (197) [system] compound(_rb)
   Exit: (197) [system] compound(_rb)
   Call: (197) [system] is_list(_rb)
^  Call: (197) [user] s2tl(_rb, _714766)
   Call: (198) [system] compound(_rb)
   Exit: (198) [system] compound(_rb)
^  Exit: (197) [user] s2tl(_rb, _rb)
^  Exit: (196) [user] s2t(_rb, _rb)
   Call: (196) [apply] apply:maplist_([_k], _714768, user:s2t)
^  Call: (197) [user] s2t(_k, _724036)
   Call: (198) [system] compound(_k)
   Exit: (198) [system] compound(_k)
   Call: (198) [system] is_list(_k)
^  Call: (198) [user] s2tl(_k, _724036)
   Call: (199) [system] compound(_k)
   Exit: (199) [system] compound(_k)
^  Exit: (198) [user] s2tl(_k, _k)
^  Exit: (197) [user] s2t(_k, _k)
   Call: (197) [apply] apply:maplist_([], _724038, user:s2t)
   Exit: (197) [apply] apply:maplist_([], [], user:s2t)
   Exit: (196) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (195) [apply] apply:maplist_([_rb, _k], [_rb, _k], user:s2t)
   Exit: (194) [apply] apply:maplist_([_kb, _rb, _k], [_kb, _rb, _k], user:s2t)
   Exit: (193) [apply] apply:maplist_([[:, _proof2, _premise2], _kb, _rb, _k], [t(:, _proof2, _premise2), _kb, _rb, _k], user:s2t)
   Exit: (192) [apply] apply:maplist_([synthesize, [:, _proof2, _premise2], _kb, _rb, _k], [synthesize, t(:, _proof2, _premise2), _kb, _rb, _k], user:s2t)
^  Exit: (191) [apply] apply:maplist(user:s2t, [synthesize, [:, _proof2, _premise2], _kb, _rb, _k], [synthesize, t(:, _proof2, _premise2), _kb, _rb, _k])
   Call: (191) [system] compound_name_arguments(_648826, t, [synthesize, t(:, _proof2, _premise2), _kb, _rb, _k])
   Exit: (191) [system] compound_name_arguments(t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k), t, [synthesize, t(:, _proof2, _premise2), _kb, _rb, _k])
^  Exit: (190) [user] s2t([synthesize, [:, _proof2, _premise2], _kb, _rb, _k], t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))
   Call: (190) [apply] apply:maplist_([], _648828, user:s2t)
   Exit: (190) [apply] apply:maplist_([], [], user:s2t)
   Exit: (189) [apply] apply:maplist_([[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)], user:s2t)
   Exit: (188) [apply] apply:maplist_([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)], user:s2t)
^  Exit: (187) [apply] apply:maplist(user:s2t, [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)])
   Call: (187) [system] compound_name_arguments(_597730, t, [t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)])
   Exit: (187) [system] compound_name_arguments(t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t, [t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)])
^  Exit: (186) [user] s2t([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)))
   Call: (186) [apply] apply:maplist_([], _597732, user:s2t)
   Exit: (186) [apply] apply:maplist_([], [], user:s2t)
   Exit: (185) [apply] apply:maplist_([[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], [t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))], user:s2t)
   Exit: (184) [apply] apply:maplist_([[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], [t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))], user:s2t)
   Exit: (183) [apply] apply:maplist_([[[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], [t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))], user:s2t)
   Exit: (182) [apply] apply:maplist_([[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], [t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))], user:s2t)
^  Exit: (181) [apply] apply:maplist(user:s2t, [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], [t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))])
   Call: (181) [system] compound_name_arguments(_207556, t, [t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))])
   Exit: (181) [system] compound_name_arguments(t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), t, [t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))])
^  Exit: (180) [user] s2t([[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))))
   Call: (180) [apply] apply:maplist_([_query], _207558, user:s2t)
^  Call: (181) [user] s2t(_query, _760368)
   Call: (182) [system] compound(_query)
   Exit: (182) [system] compound(_query)
   Call: (182) [system] is_list(_query)
^  Call: (182) [user] s2tl(_query, _760368)
   Call: (183) [system] compound(_query)
   Exit: (183) [system] compound(_query)
^  Exit: (182) [user] s2tl(_query, _query)
^  Exit: (181) [user] s2t(_query, _query)
   Call: (181) [apply] apply:maplist_([], _760370, user:s2t)
   Exit: (181) [apply] apply:maplist_([], [], user:s2t)
   Exit: (180) [apply] apply:maplist_([_query], [_query], user:s2t)
   Exit: (179) [apply] apply:maplist_([[[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query], [t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query], user:s2t)
   Exit: (178) [apply] apply:maplist_(['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query], ['let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query], user:s2t)
^  Exit: (177) [apply] apply:maplist(user:s2t, ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query], ['let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query])
   Call: (177) [system] compound_name_arguments(_192690, t, ['let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query])
   Exit: (177) [system] compound_name_arguments(t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query), t, ['let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query])
^  Exit: (176) [user] s2t(['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query], t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query))
^  Call: (176) [user] s2tl([], _192692)
   Call: (177) [system] compound([])
   Call: (177) [system] []=_192692
   Exit: (177) [system] []=[]
^  Exit: (176) [user] s2tl([], [])
^  Exit: (175) [user] s2tl([['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)])
^  Exit: (174) [user] s2tl([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)])
^  Exit: (173) [user] s2tl([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)])
^  Exit: (172) [user] s2t_iz(ynthesize_long_1727204587_629323, ynthesize_long_1727204587_629323, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)])
^  Call: (172) [user] relistify([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)], _785458)
   Call: (173) [system] is_list([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)])
   Exit: (173) [system] is_list([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)])
   Call: (173) [system] _785458=[=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)]
   Exit: (173) [system] [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)]=[=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)]
^  Exit: (172) [user] relistify([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)], [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)])
   Call: (172) [system] _791020=..[ynthesize_long_1727204587_629323, 112, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)]
   Exit: (172) [system] ynthesize_long_1727204587_629323(112, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query))=..[ynthesize_long_1727204587_629323, 112, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)]
^  Call: (172) [user] format((0x563acd7397e0), "~q.~n", [ynthesize_long_1727204587_629323(112, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query))])
^  Exit: (172) [user] format((0x563acd7397e0), "~q.~n", [ynthesize_long_1727204587_629323(112, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query))])
^  Exit: (171) [user] write_metta_datalog_term((0x563acd7397e0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], ynthesize_long_1727204587_629323, 112)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1727204596.0891678), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204596.0891678), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]), 112]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 21, 21+1), write_metta_datalog_term((0x563acd7397e0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], ynthesize_long_1727204587_629323, 112)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x563acd73bee0))
   Fail: (169) [system] at_end_of_stream((0x563acd73bee0))
^  Call: (169) [user] must_det_ll(line_count((0x563acd73bee0), _3074))
^  Call: (170) [user] once(user:line_count((0x563acd73bee0), _3074))
   Call: (171) [system] line_count((0x563acd73bee0), _3074)
   Exit: (171) [system] line_count((0x563acd73bee0), 113)
^  Exit: (170) [system] once(user:line_count((0x563acd73bee0), 113))
^  Exit: (169) [user] must_det_ll(user:line_count((0x563acd73bee0), 113))
^  Call: (169) [user] must_det_ll(read_sform((0x563acd73bee0), _3084))
^  Call: (170) [user] once(user:read_sform((0x563acd73bee0), _3084))
^  Call: (171) [user] read_sform((0x563acd73bee0), _3084)
   Call: (172) [system] string((0x563acd73bee0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
   Call: (173) [system] string((0x563acd73bee0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), _3084)
   Call: (174) [system] at_end_of_stream((0x563acd73bee0))
   Call: (174) [system] peek_char((0x563acd73bee0), _816212)
   Exit: (174) [system] peek_char((0x563acd73bee0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x563acd73bee0), '\n')
   Exit: (174) [system] get_char((0x563acd73bee0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x563acd73bee0), _3084)
   Call: (175) [system] at_end_of_stream((0x563acd73bee0))
   Call: (175) [system] peek_char((0x563acd73bee0), _823634)
   Exit: (175) [system] peek_char((0x563acd73bee0), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
   Call: (176) [system] string((0x563acd73bee0))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), _3084)
   Call: (177) [system] at_end_of_stream((0x563acd73bee0))
   Call: (177) [system] peek_char((0x563acd73bee0), _831972)
   Exit: (177) [system] peek_char((0x563acd73bee0), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _834758=(0x563acd73bee0)
   Exit: (177) [system] (0x563acd73bee0)=(0x563acd73bee0)
^  Call: (177) [user] once((read_position((0x563acd73bee0), _836626, _836628, _836630, _836632), read_sexpr((0x563acd73bee0), _836644), assertz(metta_file_comment(_836626, _836628, _836630, _836644, _836632))))
^  Call: (179) [user] read_position((0x563acd73bee0), _836626, _836628, _836630, _836632)
   Call: (180) [system] stream_property((0x563acd73bee0), position(_836632))
   Call: (181) [system] nonvar((0x563acd73bee0))
   Exit: (181) [system] nonvar((0x563acd73bee0))
   Call: (181) [system] nonvar(position(_836632))
   Exit: (181) [system] nonvar(position(_836632))
   Exit: (180) [system] stream_property((0x563acd73bee0), position('$stream_position'(4640, 114, 0, 4640)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4640, 114, 0, 4640), _836626)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _846884)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(4640, 114, 0, 4640), _836626)
   Exit: (181) [system] arg(2, '$stream_position'(4640, 114, 0, 4640), 114)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4640, 114, 0, 4640), 114)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4640, 114, 0, 4640), _836628)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _854318)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(4640, 114, 0, 4640), _836628)
   Exit: (181) [system] arg(3, '$stream_position'(4640, 114, 0, 4640), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4640, 114, 0, 4640), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4640, 114, 0, 4640), _836630)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _861752)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(4640, 114, 0, 4640), _836630)
   Exit: (181) [system] arg(1, '$stream_position'(4640, 114, 0, 4640), 4640)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4640, 114, 0, 4640), 4640)
^  Exit: (179) [user] read_position((0x563acd73bee0), 114, 0, 4640, '$stream_position'(4640, 114, 0, 4640))
^  Call: (179) [user] read_sexpr((0x563acd73bee0), _836644)
   Call: (180) [system] string((0x563acd73bee0))
   Fail: (180) [system] string((0x563acd73bee0))
^  Call: (180) [user] cont_sexpr(')', (0x563acd73bee0), _836644)
^  Call: (181) [user] skip_spaces((0x563acd73bee0))
   Call: (182) [system] peek_char((0x563acd73bee0), _871978)
   Exit: (182) [system] peek_char((0x563acd73bee0), '(')
   Call: (182) [system] '('=(;)
   Fail: (182) [system] '('=(;)
   Call: (182) [system] '('=(/)
   Fail: (182) [system] '('=(/)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Fail: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Fail: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Fail: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
   Fail: (183) [system] char_type('(', cntrl)
^  Fail: (182) [user] is_like_space('(')
^  Exit: (181) [user] skip_spaces((0x563acd73bee0))
   Call: (181) [system] get_char((0x563acd73bee0), _887988)
   Exit: (181) [system] get_char((0x563acd73bee0), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x563acd73bee0), _836644)
^  Call: (182) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] peek_char((0x563acd73bee0), _893558)
   Exit: (183) [system] peek_char((0x563acd73bee0), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
   Call: (183) [system] (=)=(/)
   Fail: (183) [system] (=)=(/)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x563acd73bee0))
   Call: (182) [system] peek_char((0x563acd73bee0), _909568)
   Exit: (182) [system] peek_char((0x563acd73bee0), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x563acd73bee0), _915138)
^  Call: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _916996)
   Exit: (184) [system] peek_char((0x563acd73bee0), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
   Call: (184) [system] (=)=(/)
   Fail: (184) [system] (=)=(/)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] get_char((0x563acd73bee0), _933006)
   Exit: (183) [system] get_char((0x563acd73bee0), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x563acd73bee0), =, _915138)
^  Call: (184) [user] read_symbolic_cont(')', (0x563acd73bee0), _950648)
   Call: (185) [system] peek_char((0x563acd73bee0), _951582)
   Exit: (185) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _950648=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (184) [user] classify_and_convert_charseq([=], _915138)
^  Call: (185) [user] classify_and_convert_charseq_([=], _960866)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_961818, _961820), once(user:catch(read_from_chars([=], _960866), _961800, fail)), '$restore_trace'(_961818, _961820))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_961818, _961820))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _961800, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(=)
   Exit: (186) [system] atomic(=)
^  Exit: (185) [user] classify_and_convert_charseq_([=], =)
   Call: (185) [system] integer(=)
   Fail: (185) [system] integer(=)
   Call: (185) [system] _915138=(=)
   Exit: (185) [system] (=)=(=)
^  Exit: (184) [user] classify_and_convert_charseq([=], =)
^  Exit: (183) [user] read_symbolic(')', (0x563acd73bee0), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x563acd73bee0), =)
^  Call: (182) [user] read_list(')', (0x563acd73bee0), _973946)
^  Call: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _975804)
   Exit: (184) [system] peek_char((0x563acd73bee0), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
   Call: (184) [system] ' '=(/)
   Fail: (184) [system] ' '=(/)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x563acd73bee0), _985398)
   Exit: (184) [system] get_char((0x563acd73bee0), ' ')
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _988102)
   Exit: (185) [system] peek_char((0x563acd73bee0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
^  Exit: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] peek_char((0x563acd73bee0), _1005036)
   Exit: (183) [system] peek_char((0x563acd73bee0), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x563acd73bee0), _1010606)
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _1012464)
   Exit: (185) [system] peek_char((0x563acd73bee0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] get_char((0x563acd73bee0), _1028474)
   Exit: (184) [system] get_char((0x563acd73bee0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x563acd73bee0), _1010606)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1034044)
   Exit: (186) [system] peek_char((0x563acd73bee0), r)
   Call: (186) [system] r=(;)
   Fail: (186) [system] r=(;)
   Call: (186) [system] r=(/)
   Fail: (186) [system] r=(/)
^  Call: (186) [user] is_like_space(r)
   Call: (187) [system] char_type(r, 'white')
   Fail: (187) [system] char_type(r, 'white')
   Call: (187) [system] char_type(r, end_of_line)
   Fail: (187) [system] char_type(r, end_of_line)
   Call: (187) [system] char_type(r, space)
   Fail: (187) [system] char_type(r, space)
   Call: (187) [system] char_type(r, cntrl)
   Fail: (187) [system] char_type(r, cntrl)
^  Fail: (186) [user] is_like_space(r)
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _1050054)
   Exit: (185) [system] peek_char((0x563acd73bee0), r)
   Call: (185) [system] r=')'
   Fail: (185) [system] r=')'
   Call: (185) [system] r=end_of_file
   Fail: (185) [system] r=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x563acd73bee0), _1055624)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _1057482)
   Exit: (187) [system] peek_char((0x563acd73bee0), r)
   Call: (187) [system] r=(;)
   Fail: (187) [system] r=(;)
   Call: (187) [system] r=(/)
   Fail: (187) [system] r=(/)
^  Call: (187) [user] is_like_space(r)
   Call: (188) [system] char_type(r, 'white')
   Fail: (188) [system] char_type(r, 'white')
   Call: (188) [system] char_type(r, end_of_line)
   Fail: (188) [system] char_type(r, end_of_line)
   Call: (188) [system] char_type(r, space)
   Fail: (188) [system] char_type(r, space)
   Call: (188) [system] char_type(r, cntrl)
   Fail: (188) [system] char_type(r, cntrl)
^  Fail: (187) [user] is_like_space(r)
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] get_char((0x563acd73bee0), _1073492)
   Exit: (186) [system] get_char((0x563acd73bee0), r)
   Call: (186) [system] r='('
   Fail: (186) [system] r='('
   Call: (186) [system] r='['
   Fail: (186) [system] r='['
   Call: (186) [system] r='{'
   Fail: (186) [system] r='{'
   Call: (186) [system] r='"'
   Fail: (186) [system] r='"'
   Call: (186) [system] r=!
   Fail: (186) [system] r=!
   Call: (186) [system] r='\''
   Fail: (186) [system] r='\''
   Call: (186) [system] r='`'
   Fail: (186) [system] r='`'
   Call: (186) [system] r=end_of_file
   Fail: (186) [system] r=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x563acd73bee0), r, _1055624)
^  Call: (187) [user] read_symbolic_cont(')', (0x563acd73bee0), _1091134)
   Call: (188) [system] peek_char((0x563acd73bee0), _1092068)
   Exit: (188) [system] peek_char((0x563acd73bee0), b)
^  Call: (188) [user] is_delimiter(b)
   Call: (189) [system] char_type(b, space)
   Fail: (189) [system] char_type(b, space)
   Call: (189) [system] arg(_1096788, v('(', ')', end_of_file), b)
   Fail: (189) [system] arg(_1097720, v('(', ')', end_of_file), b)
^  Fail: (188) [user] is_delimiter(b)
   Call: (188) [system] ')'==b
   Fail: (188) [system] ')'==b
   Call: (188) [system] get_char((0x563acd73bee0), b)
   Exit: (188) [system] get_char((0x563acd73bee0), b)
   Call: (188) [system] b=(\)
   Fail: (188) [system] b=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), _1105070)
   Call: (189) [system] peek_char((0x563acd73bee0), _1106004)
   Exit: (189) [system] peek_char((0x563acd73bee0), ')')
^  Call: (189) [user] is_delimiter(')')
   Call: (190) [system] char_type(')', space)
   Fail: (190) [system] char_type(')', space)
   Call: (190) [system] arg(_1110724, v('(', ')', end_of_file), ')')
   Exit: (190) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (189) [user] is_delimiter(')')
   Call: (189) [system] _1105070=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (188) [system] _1091134=[b]
   Exit: (188) [system] [b]=[b]
^  Exit: (187) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
^  Call: (187) [user] classify_and_convert_charseq([r, b], _1055624)
^  Call: (188) [user] classify_and_convert_charseq_([r, b], _1119954)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_1120906, _1120908), once(user:catch(read_from_chars([r, b], _1119954), _1120888, fail)), '$restore_trace'(_1120906, _1120908))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_1120906, _1120908))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([r, b], rb), _1120888, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(rb)
   Exit: (189) [system] atomic(rb)
^  Exit: (188) [user] classify_and_convert_charseq_([r, b], rb)
   Call: (188) [system] integer(rb)
   Fail: (188) [system] integer(rb)
   Call: (188) [system] _1055624=rb
   Exit: (188) [system] rb=rb
^  Exit: (187) [user] classify_and_convert_charseq([r, b], rb)
^  Exit: (186) [user] read_symbolic(')', (0x563acd73bee0), r, rb)
^  Exit: (185) [user] cont_sexpr(')', (0x563acd73bee0), rb)
^  Call: (185) [user] read_list(')', (0x563acd73bee0), _1133034)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _1134892)
   Exit: (187) [system] peek_char((0x563acd73bee0), ')')
   Call: (187) [system] ')'=(;)
   Fail: (187) [system] ')'=(;)
   Call: (187) [system] ')'=(/)
   Fail: (187) [system] ')'=(/)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Fail: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Fail: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Fail: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
   Fail: (188) [system] char_type(')', cntrl)
^  Fail: (187) [user] is_like_space(')')
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1150902)
   Exit: (186) [system] peek_char((0x563acd73bee0), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x563acd73bee0), _1154692)
   Exit: (186) [system] get_char((0x563acd73bee0), ')')
   Call: (186) [system] _1133034=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x563acd73bee0), [])
   Call: (185) [system] _1010606=[rb]
   Exit: (185) [system] [rb]=[rb]
^  Exit: (184) [user] read_list(')', (0x563acd73bee0), [rb])
^  Exit: (183) [user] cont_sexpr(')', (0x563acd73bee0), [rb])
^  Call: (183) [user] read_list(')', (0x563acd73bee0), _1162986)
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _1164844)
   Exit: (185) [system] peek_char((0x563acd73bee0), ' ')
   Call: (185) [system] ' '=(;)
   Fail: (185) [system] ' '=(;)
   Call: (185) [system] ' '=(/)
   Fail: (185) [system] ' '=(/)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x563acd73bee0), _1174438)
   Exit: (185) [system] get_char((0x563acd73bee0), ' ')
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1177142)
   Exit: (186) [system] peek_char((0x563acd73bee0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _1194076)
   Exit: (184) [system] peek_char((0x563acd73bee0), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x563acd73bee0), _1199646)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1201504)
   Exit: (186) [system] peek_char((0x563acd73bee0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] get_char((0x563acd73bee0), _1217514)
   Exit: (185) [system] get_char((0x563acd73bee0), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x563acd73bee0), _1199646)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _1223084)
   Exit: (187) [system] peek_char((0x563acd73bee0), :)
   Call: (187) [system] (:)=(;)
   Fail: (187) [system] (:)=(;)
   Call: (187) [system] (:)=(/)
   Fail: (187) [system] (:)=(/)
^  Call: (187) [user] is_like_space(:)
   Call: (188) [system] char_type(:, 'white')
   Fail: (188) [system] char_type(:, 'white')
   Call: (188) [system] char_type(:, end_of_line)
   Fail: (188) [system] char_type(:, end_of_line)
   Call: (188) [system] char_type(:, space)
   Fail: (188) [system] char_type(:, space)
   Call: (188) [system] char_type(:, cntrl)
   Fail: (188) [system] char_type(:, cntrl)
^  Fail: (187) [user] is_like_space(:)
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1239094)
   Exit: (186) [system] peek_char((0x563acd73bee0), :)
   Call: (186) [system] (:)=')'
   Fail: (186) [system] (:)=')'
   Call: (186) [system] (:)=end_of_file
   Fail: (186) [system] (:)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x563acd73bee0), _1244664)
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _1246522)
   Exit: (188) [system] peek_char((0x563acd73bee0), :)
   Call: (188) [system] (:)=(;)
   Fail: (188) [system] (:)=(;)
   Call: (188) [system] (:)=(/)
   Fail: (188) [system] (:)=(/)
^  Call: (188) [user] is_like_space(:)
   Call: (189) [system] char_type(:, 'white')
   Fail: (189) [system] char_type(:, 'white')
   Call: (189) [system] char_type(:, end_of_line)
   Fail: (189) [system] char_type(:, end_of_line)
   Call: (189) [system] char_type(:, space)
   Fail: (189) [system] char_type(:, space)
   Call: (189) [system] char_type(:, cntrl)
   Fail: (189) [system] char_type(:, cntrl)
^  Fail: (188) [user] is_like_space(:)
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] get_char((0x563acd73bee0), _1262532)
   Exit: (187) [system] get_char((0x563acd73bee0), :)
   Call: (187) [system] (:)='('
   Fail: (187) [system] (:)='('
   Call: (187) [system] (:)='['
   Fail: (187) [system] (:)='['
   Call: (187) [system] (:)='{'
   Fail: (187) [system] (:)='{'
   Call: (187) [system] (:)='"'
   Fail: (187) [system] (:)='"'
   Call: (187) [system] (:)=!
   Fail: (187) [system] (:)=!
   Call: (187) [system] (:)='\''
   Fail: (187) [system] (:)='\''
   Call: (187) [system] (:)='`'
   Fail: (187) [system] (:)='`'
   Call: (187) [system] (:)=end_of_file
   Fail: (187) [system] (:)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x563acd73bee0), :, _1244664)
^  Call: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), _1280174)
   Call: (189) [system] peek_char((0x563acd73bee0), _1281108)
   Exit: (189) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (189) [user] is_delimiter(' ')
   Call: (190) [system] char_type(' ', space)
   Exit: (190) [system] char_type(' ', space)
^  Exit: (189) [user] is_delimiter(' ')
   Call: (189) [system] _1280174=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (188) [user] classify_and_convert_charseq([:], _1244664)
^  Call: (189) [user] classify_and_convert_charseq_([:], _1290392)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_1291344, _1291346), once(user:catch(read_from_chars([:], _1290392), _1291326, fail)), '$restore_trace'(_1291344, _1291346))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_1291344, _1291346))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1291326, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(:)
   Exit: (190) [system] atomic(:)
^  Exit: (189) [user] classify_and_convert_charseq_([:], :)
   Call: (189) [system] integer(:)
   Fail: (189) [system] integer(:)
   Call: (189) [system] _1244664=(:)
   Exit: (189) [system] (:)=(:)
^  Exit: (188) [user] classify_and_convert_charseq([:], :)
^  Exit: (187) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (186) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (186) [user] read_list(')', (0x563acd73bee0), _1303472)
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _1305330)
   Exit: (188) [system] peek_char((0x563acd73bee0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x563acd73bee0), _1314924)
   Exit: (188) [system] get_char((0x563acd73bee0), ' ')
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1317628)
   Exit: (189) [system] peek_char((0x563acd73bee0), 'C')
   Call: (189) [system] 'C'=(;)
   Fail: (189) [system] 'C'=(;)
   Call: (189) [system] 'C'=(/)
   Fail: (189) [system] 'C'=(/)
^  Call: (189) [user] is_like_space('C')
   Call: (190) [system] char_type('C', 'white')
   Fail: (190) [system] char_type('C', 'white')
   Call: (190) [system] char_type('C', end_of_line)
   Fail: (190) [system] char_type('C', end_of_line)
   Call: (190) [system] char_type('C', space)
   Fail: (190) [system] char_type('C', space)
   Call: (190) [system] char_type('C', cntrl)
   Fail: (190) [system] char_type('C', cntrl)
^  Fail: (189) [user] is_like_space('C')
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _1334562)
   Exit: (187) [system] peek_char((0x563acd73bee0), 'C')
   Call: (187) [system] 'C'=')'
   Fail: (187) [system] 'C'=')'
   Call: (187) [system] 'C'=end_of_file
   Fail: (187) [system] 'C'=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x563acd73bee0), _1340132)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1341990)
   Exit: (189) [system] peek_char((0x563acd73bee0), 'C')
   Call: (189) [system] 'C'=(;)
   Fail: (189) [system] 'C'=(;)
   Call: (189) [system] 'C'=(/)
   Fail: (189) [system] 'C'=(/)
^  Call: (189) [user] is_like_space('C')
   Call: (190) [system] char_type('C', 'white')
   Fail: (190) [system] char_type('C', 'white')
   Call: (190) [system] char_type('C', end_of_line)
   Fail: (190) [system] char_type('C', end_of_line)
   Call: (190) [system] char_type('C', space)
   Fail: (190) [system] char_type('C', space)
   Call: (190) [system] char_type('C', cntrl)
   Fail: (190) [system] char_type('C', cntrl)
^  Fail: (189) [user] is_like_space('C')
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] get_char((0x563acd73bee0), _1358000)
   Exit: (188) [system] get_char((0x563acd73bee0), 'C')
   Call: (188) [system] 'C'='('
   Fail: (188) [system] 'C'='('
   Call: (188) [system] 'C'='['
   Fail: (188) [system] 'C'='['
   Call: (188) [system] 'C'='{'
   Fail: (188) [system] 'C'='{'
   Call: (188) [system] 'C'='"'
   Fail: (188) [system] 'C'='"'
   Call: (188) [system] 'C'=!
   Fail: (188) [system] 'C'=!
   Call: (188) [system] 'C'='\''
   Fail: (188) [system] 'C'='\''
   Call: (188) [system] 'C'='`'
   Fail: (188) [system] 'C'='`'
   Call: (188) [system] 'C'=end_of_file
   Fail: (188) [system] 'C'=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x563acd73bee0), 'C', _1340132)
^  Call: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), _1375642)
   Call: (190) [system] peek_char((0x563acd73bee0), _1376576)
   Exit: (190) [system] peek_char((0x563acd73bee0), o)
^  Call: (190) [user] is_delimiter(o)
   Call: (191) [system] char_type(o, space)
   Fail: (191) [system] char_type(o, space)
   Call: (191) [system] arg(_1381296, v('(', ')', end_of_file), o)
   Fail: (191) [system] arg(_1382228, v('(', ')', end_of_file), o)
^  Fail: (190) [user] is_delimiter(o)
   Call: (190) [system] ')'==o
   Fail: (190) [system] ')'==o
   Call: (190) [system] get_char((0x563acd73bee0), o)
   Exit: (190) [system] get_char((0x563acd73bee0), o)
   Call: (190) [system] o=(\)
   Fail: (190) [system] o=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), _1389578)
   Call: (191) [system] peek_char((0x563acd73bee0), _1390512)
   Exit: (191) [system] peek_char((0x563acd73bee0), n)
^  Call: (191) [user] is_delimiter(n)
   Call: (192) [system] char_type(n, space)
   Fail: (192) [system] char_type(n, space)
   Call: (192) [system] arg(_1395232, v('(', ')', end_of_file), n)
   Fail: (192) [system] arg(_1396164, v('(', ')', end_of_file), n)
^  Fail: (191) [user] is_delimiter(n)
   Call: (191) [system] ')'==n
   Fail: (191) [system] ')'==n
   Call: (191) [system] get_char((0x563acd73bee0), n)
   Exit: (191) [system] get_char((0x563acd73bee0), n)
   Call: (191) [system] n=(\)
   Fail: (191) [system] n=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), _1403514)
   Call: (192) [system] peek_char((0x563acd73bee0), _1404448)
   Exit: (192) [system] peek_char((0x563acd73bee0), j)
^  Call: (192) [user] is_delimiter(j)
   Call: (193) [system] char_type(j, space)
   Fail: (193) [system] char_type(j, space)
   Call: (193) [system] arg(_1409168, v('(', ')', end_of_file), j)
   Fail: (193) [system] arg(_1410100, v('(', ')', end_of_file), j)
^  Fail: (192) [user] is_delimiter(j)
   Call: (192) [system] ')'==j
   Fail: (192) [system] ')'==j
   Call: (192) [system] get_char((0x563acd73bee0), j)
   Exit: (192) [system] get_char((0x563acd73bee0), j)
   Call: (192) [system] j=(\)
   Fail: (192) [system] j=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), _1417450)
   Call: (193) [system] peek_char((0x563acd73bee0), _1418384)
   Exit: (193) [system] peek_char((0x563acd73bee0), u)
^  Call: (193) [user] is_delimiter(u)
   Call: (194) [system] char_type(u, space)
   Fail: (194) [system] char_type(u, space)
   Call: (194) [system] arg(_1423104, v('(', ')', end_of_file), u)
   Fail: (194) [system] arg(_1424036, v('(', ')', end_of_file), u)
^  Fail: (193) [user] is_delimiter(u)
   Call: (193) [system] ')'==u
   Fail: (193) [system] ')'==u
   Call: (193) [system] get_char((0x563acd73bee0), u)
   Exit: (193) [system] get_char((0x563acd73bee0), u)
   Call: (193) [system] u=(\)
   Fail: (193) [system] u=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _1431386)
   Call: (194) [system] peek_char((0x563acd73bee0), _1432320)
   Exit: (194) [system] peek_char((0x563acd73bee0), n)
^  Call: (194) [user] is_delimiter(n)
   Call: (195) [system] char_type(n, space)
   Fail: (195) [system] char_type(n, space)
   Call: (195) [system] arg(_1437040, v('(', ')', end_of_file), n)
   Fail: (195) [system] arg(_1437972, v('(', ')', end_of_file), n)
^  Fail: (194) [user] is_delimiter(n)
   Call: (194) [system] ')'==n
   Fail: (194) [system] ')'==n
   Call: (194) [system] get_char((0x563acd73bee0), n)
   Exit: (194) [system] get_char((0x563acd73bee0), n)
   Call: (194) [system] n=(\)
   Fail: (194) [system] n=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _1445322)
   Call: (195) [system] peek_char((0x563acd73bee0), _1446256)
   Exit: (195) [system] peek_char((0x563acd73bee0), c)
^  Call: (195) [user] is_delimiter(c)
   Call: (196) [system] char_type(c, space)
   Fail: (196) [system] char_type(c, space)
   Call: (196) [system] arg(_1450976, v('(', ')', end_of_file), c)
   Fail: (196) [system] arg(_1451908, v('(', ')', end_of_file), c)
^  Fail: (195) [user] is_delimiter(c)
   Call: (195) [system] ')'==c
   Fail: (195) [system] ')'==c
   Call: (195) [system] get_char((0x563acd73bee0), c)
   Exit: (195) [system] get_char((0x563acd73bee0), c)
   Call: (195) [system] c=(\)
   Fail: (195) [system] c=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _1459258)
   Call: (196) [system] peek_char((0x563acd73bee0), _1460192)
   Exit: (196) [system] peek_char((0x563acd73bee0), t)
^  Call: (196) [user] is_delimiter(t)
   Call: (197) [system] char_type(t, space)
   Fail: (197) [system] char_type(t, space)
   Call: (197) [system] arg(_1464912, v('(', ')', end_of_file), t)
   Fail: (197) [system] arg(_1465844, v('(', ')', end_of_file), t)
^  Fail: (196) [user] is_delimiter(t)
   Call: (196) [system] ')'==t
   Fail: (196) [system] ')'==t
   Call: (196) [system] get_char((0x563acd73bee0), t)
   Exit: (196) [system] get_char((0x563acd73bee0), t)
   Call: (196) [system] t=(\)
   Fail: (196) [system] t=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _1473194)
   Call: (197) [system] peek_char((0x563acd73bee0), _1474128)
   Exit: (197) [system] peek_char((0x563acd73bee0), i)
^  Call: (197) [user] is_delimiter(i)
   Call: (198) [system] char_type(i, space)
   Fail: (198) [system] char_type(i, space)
   Call: (198) [system] arg(_1478848, v('(', ')', end_of_file), i)
   Fail: (198) [system] arg(_1479780, v('(', ')', end_of_file), i)
^  Fail: (197) [user] is_delimiter(i)
   Call: (197) [system] ')'==i
   Fail: (197) [system] ')'==i
   Call: (197) [system] get_char((0x563acd73bee0), i)
   Exit: (197) [system] get_char((0x563acd73bee0), i)
   Call: (197) [system] i=(\)
   Fail: (197) [system] i=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _1487130)
   Call: (198) [system] peek_char((0x563acd73bee0), _1488064)
   Exit: (198) [system] peek_char((0x563acd73bee0), o)
^  Call: (198) [user] is_delimiter(o)
   Call: (199) [system] char_type(o, space)
   Fail: (199) [system] char_type(o, space)
   Call: (199) [system] arg(_1492784, v('(', ')', end_of_file), o)
   Fail: (199) [system] arg(_1493716, v('(', ')', end_of_file), o)
^  Fail: (198) [user] is_delimiter(o)
   Call: (198) [system] ')'==o
   Fail: (198) [system] ')'==o
   Call: (198) [system] get_char((0x563acd73bee0), o)
   Exit: (198) [system] get_char((0x563acd73bee0), o)
   Call: (198) [system] o=(\)
   Fail: (198) [system] o=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _1501066)
   Call: (199) [system] peek_char((0x563acd73bee0), _1502000)
   Exit: (199) [system] peek_char((0x563acd73bee0), n)
^  Call: (199) [user] is_delimiter(n)
   Call: (200) [system] char_type(n, space)
   Fail: (200) [system] char_type(n, space)
   Call: (200) [system] arg(_1506720, v('(', ')', end_of_file), n)
   Fail: (200) [system] arg(_1507652, v('(', ')', end_of_file), n)
^  Fail: (199) [user] is_delimiter(n)
   Call: (199) [system] ')'==n
   Fail: (199) [system] ')'==n
   Call: (199) [system] get_char((0x563acd73bee0), n)
   Exit: (199) [system] get_char((0x563acd73bee0), n)
   Call: (199) [system] n=(\)
   Fail: (199) [system] n=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _1515002)
   Call: (200) [system] peek_char((0x563acd73bee0), _1515936)
   Exit: (200) [system] peek_char((0x563acd73bee0), 'E')
^  Call: (200) [user] is_delimiter('E')
   Call: (201) [system] char_type('E', space)
   Fail: (201) [system] char_type('E', space)
   Call: (201) [system] arg(_1520656, v('(', ')', end_of_file), 'E')
   Fail: (201) [system] arg(_1521588, v('(', ')', end_of_file), 'E')
^  Fail: (200) [user] is_delimiter('E')
   Call: (200) [system] ')'=='E'
   Fail: (200) [system] ')'=='E'
   Call: (200) [system] get_char((0x563acd73bee0), 'E')
   Exit: (200) [system] get_char((0x563acd73bee0), 'E')
   Call: (200) [system] 'E'=(\)
   Fail: (200) [system] 'E'=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _1528938)
   Call: (201) [system] peek_char((0x563acd73bee0), _1529872)
   Exit: (201) [system] peek_char((0x563acd73bee0), l)
^  Call: (201) [user] is_delimiter(l)
   Call: (202) [system] char_type(l, space)
   Fail: (202) [system] char_type(l, space)
   Call: (202) [system] arg(_1534592, v('(', ')', end_of_file), l)
   Fail: (202) [system] arg(_1535524, v('(', ')', end_of_file), l)
^  Fail: (201) [user] is_delimiter(l)
   Call: (201) [system] ')'==l
   Fail: (201) [system] ')'==l
   Call: (201) [system] get_char((0x563acd73bee0), l)
   Exit: (201) [system] get_char((0x563acd73bee0), l)
   Call: (201) [system] l=(\)
   Fail: (201) [system] l=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _1542874)
   Call: (202) [system] peek_char((0x563acd73bee0), _1543808)
   Exit: (202) [system] peek_char((0x563acd73bee0), i)
^  Call: (202) [user] is_delimiter(i)
   Call: (203) [system] char_type(i, space)
   Fail: (203) [system] char_type(i, space)
   Call: (203) [system] arg(_1548528, v('(', ')', end_of_file), i)
   Fail: (203) [system] arg(_1549460, v('(', ')', end_of_file), i)
^  Fail: (202) [user] is_delimiter(i)
   Call: (202) [system] ')'==i
   Fail: (202) [system] ')'==i
   Call: (202) [system] get_char((0x563acd73bee0), i)
   Exit: (202) [system] get_char((0x563acd73bee0), i)
   Call: (202) [system] i=(\)
   Fail: (202) [system] i=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1556810)
   Call: (203) [system] peek_char((0x563acd73bee0), _1557744)
   Exit: (203) [system] peek_char((0x563acd73bee0), m)
^  Call: (203) [user] is_delimiter(m)
   Call: (204) [system] char_type(m, space)
   Fail: (204) [system] char_type(m, space)
   Call: (204) [system] arg(_1562464, v('(', ')', end_of_file), m)
   Fail: (204) [system] arg(_1563396, v('(', ')', end_of_file), m)
^  Fail: (203) [user] is_delimiter(m)
   Call: (203) [system] ')'==m
   Fail: (203) [system] ')'==m
   Call: (203) [system] get_char((0x563acd73bee0), m)
   Exit: (203) [system] get_char((0x563acd73bee0), m)
   Call: (203) [system] m=(\)
   Fail: (203) [system] m=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1570746)
   Call: (204) [system] peek_char((0x563acd73bee0), _1571680)
   Exit: (204) [system] peek_char((0x563acd73bee0), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Fail: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_1576400, v('(', ')', end_of_file), i)
   Fail: (205) [system] arg(_1577332, v('(', ')', end_of_file), i)
^  Fail: (204) [user] is_delimiter(i)
   Call: (204) [system] ')'==i
   Fail: (204) [system] ')'==i
   Call: (204) [system] get_char((0x563acd73bee0), i)
   Exit: (204) [system] get_char((0x563acd73bee0), i)
   Call: (204) [system] i=(\)
   Fail: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1584682)
   Call: (205) [system] peek_char((0x563acd73bee0), _1585616)
   Exit: (205) [system] peek_char((0x563acd73bee0), n)
^  Call: (205) [user] is_delimiter(n)
   Call: (206) [system] char_type(n, space)
   Fail: (206) [system] char_type(n, space)
   Call: (206) [system] arg(_1590336, v('(', ')', end_of_file), n)
   Fail: (206) [system] arg(_1591268, v('(', ')', end_of_file), n)
^  Fail: (205) [user] is_delimiter(n)
   Call: (205) [system] ')'==n
   Fail: (205) [system] ')'==n
   Call: (205) [system] get_char((0x563acd73bee0), n)
   Exit: (205) [system] get_char((0x563acd73bee0), n)
   Call: (205) [system] n=(\)
   Fail: (205) [system] n=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1598618)
   Call: (206) [system] peek_char((0x563acd73bee0), _1599552)
   Exit: (206) [system] peek_char((0x563acd73bee0), a)
^  Call: (206) [user] is_delimiter(a)
   Call: (207) [system] char_type(a, space)
   Fail: (207) [system] char_type(a, space)
   Call: (207) [system] arg(_1604272, v('(', ')', end_of_file), a)
   Fail: (207) [system] arg(_1605204, v('(', ')', end_of_file), a)
^  Fail: (206) [user] is_delimiter(a)
   Call: (206) [system] ')'==a
   Fail: (206) [system] ')'==a
   Call: (206) [system] get_char((0x563acd73bee0), a)
   Exit: (206) [system] get_char((0x563acd73bee0), a)
   Call: (206) [system] a=(\)
   Fail: (206) [system] a=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1612554)
   Call: (207) [system] peek_char((0x563acd73bee0), _1613488)
   Exit: (207) [system] peek_char((0x563acd73bee0), t)
^  Call: (207) [user] is_delimiter(t)
   Call: (208) [system] char_type(t, space)
   Fail: (208) [system] char_type(t, space)
   Call: (208) [system] arg(_1618208, v('(', ')', end_of_file), t)
   Fail: (208) [system] arg(_1619140, v('(', ')', end_of_file), t)
^  Fail: (207) [user] is_delimiter(t)
   Call: (207) [system] ')'==t
   Fail: (207) [system] ')'==t
   Call: (207) [system] get_char((0x563acd73bee0), t)
   Exit: (207) [system] get_char((0x563acd73bee0), t)
   Call: (207) [system] t=(\)
   Fail: (207) [system] t=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1626490)
   Call: (208) [system] peek_char((0x563acd73bee0), _1627424)
   Exit: (208) [system] peek_char((0x563acd73bee0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_1632144, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_1633076, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x563acd73bee0), i)
   Exit: (208) [system] get_char((0x563acd73bee0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1640426)
   Call: (209) [system] peek_char((0x563acd73bee0), _1641360)
   Exit: (209) [system] peek_char((0x563acd73bee0), o)
^  Call: (209) [user] is_delimiter(o)
   Call: (210) [system] char_type(o, space)
   Fail: (210) [system] char_type(o, space)
   Call: (210) [system] arg(_1646080, v('(', ')', end_of_file), o)
   Fail: (210) [system] arg(_1647012, v('(', ')', end_of_file), o)
^  Fail: (209) [user] is_delimiter(o)
   Call: (209) [system] ')'==o
   Fail: (209) [system] ')'==o
   Call: (209) [system] get_char((0x563acd73bee0), o)
   Exit: (209) [system] get_char((0x563acd73bee0), o)
   Call: (209) [system] o=(\)
   Fail: (209) [system] o=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1654362)
   Call: (210) [system] peek_char((0x563acd73bee0), _1655296)
   Exit: (210) [system] peek_char((0x563acd73bee0), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Fail: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_1660016, v('(', ')', end_of_file), n)
   Fail: (211) [system] arg(_1660948, v('(', ')', end_of_file), n)
^  Fail: (210) [user] is_delimiter(n)
   Call: (210) [system] ')'==n
   Fail: (210) [system] ')'==n
   Call: (210) [system] get_char((0x563acd73bee0), n)
   Exit: (210) [system] get_char((0x563acd73bee0), n)
   Call: (210) [system] n=(\)
   Fail: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1668298)
   Call: (211) [system] peek_char((0x563acd73bee0), _1669232)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (211) [user] is_delimiter('L')
   Call: (212) [system] char_type('L', space)
   Fail: (212) [system] char_type('L', space)
   Call: (212) [system] arg(_1673952, v('(', ')', end_of_file), 'L')
   Fail: (212) [system] arg(_1674884, v('(', ')', end_of_file), 'L')
^  Fail: (211) [user] is_delimiter('L')
   Call: (211) [system] ')'=='L'
   Fail: (211) [system] ')'=='L'
   Call: (211) [system] get_char((0x563acd73bee0), 'L')
   Exit: (211) [system] get_char((0x563acd73bee0), 'L')
   Call: (211) [system] 'L'=(\)
   Fail: (211) [system] 'L'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1682234)
   Call: (212) [system] peek_char((0x563acd73bee0), _1683168)
   Exit: (212) [system] peek_char((0x563acd73bee0), e)
^  Call: (212) [user] is_delimiter(e)
   Call: (213) [system] char_type(e, space)
   Fail: (213) [system] char_type(e, space)
   Call: (213) [system] arg(_1687888, v('(', ')', end_of_file), e)
   Fail: (213) [system] arg(_1688820, v('(', ')', end_of_file), e)
^  Fail: (212) [user] is_delimiter(e)
   Call: (212) [system] ')'==e
   Fail: (212) [system] ')'==e
   Call: (212) [system] get_char((0x563acd73bee0), e)
   Exit: (212) [system] get_char((0x563acd73bee0), e)
   Call: (212) [system] e=(\)
   Fail: (212) [system] e=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _1696170)
   Call: (213) [system] peek_char((0x563acd73bee0), _1697104)
   Exit: (213) [system] peek_char((0x563acd73bee0), f)
^  Call: (213) [user] is_delimiter(f)
   Call: (214) [system] char_type(f, space)
   Fail: (214) [system] char_type(f, space)
   Call: (214) [system] arg(_1701824, v('(', ')', end_of_file), f)
   Fail: (214) [system] arg(_1702756, v('(', ')', end_of_file), f)
^  Fail: (213) [user] is_delimiter(f)
   Call: (213) [system] ')'==f
   Fail: (213) [system] ')'==f
   Call: (213) [system] get_char((0x563acd73bee0), f)
   Exit: (213) [system] get_char((0x563acd73bee0), f)
   Call: (213) [system] f=(\)
   Fail: (213) [system] f=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _1710106)
   Call: (214) [system] peek_char((0x563acd73bee0), _1711040)
   Exit: (214) [system] peek_char((0x563acd73bee0), t)
^  Call: (214) [user] is_delimiter(t)
   Call: (215) [system] char_type(t, space)
   Fail: (215) [system] char_type(t, space)
   Call: (215) [system] arg(_1715760, v('(', ')', end_of_file), t)
   Fail: (215) [system] arg(_1716692, v('(', ')', end_of_file), t)
^  Fail: (214) [user] is_delimiter(t)
   Call: (214) [system] ')'==t
   Fail: (214) [system] ')'==t
   Call: (214) [system] get_char((0x563acd73bee0), t)
   Exit: (214) [system] get_char((0x563acd73bee0), t)
   Call: (214) [system] t=(\)
   Fail: (214) [system] t=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _1724042)
   Call: (215) [system] peek_char((0x563acd73bee0), _1724976)
   Exit: (215) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _1724042=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (214) [system] _1710106=[t]
   Exit: (214) [system] [t]=[t]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [t])
   Call: (213) [system] _1696170=[f, t]
   Exit: (213) [system] [f, t]=[f, t]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [f, t])
   Call: (212) [system] _1682234=[e, f, t]
   Exit: (212) [system] [e, f, t]=[e, f, t]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, f, t])
   Call: (211) [system] _1668298=['L', e, f, t]
   Exit: (211) [system] ['L', e, f, t]=['L', e, f, t]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', e, f, t])
   Call: (210) [system] _1654362=[n, 'L', e, f, t]
   Exit: (210) [system] [n, 'L', e, f, t]=[n, 'L', e, f, t]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'L', e, f, t])
   Call: (209) [system] _1640426=[o, n, 'L', e, f, t]
   Exit: (209) [system] [o, n, 'L', e, f, t]=[o, n, 'L', e, f, t]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'L', e, f, t])
   Call: (208) [system] _1626490=[i, o, n, 'L', e, f, t]
   Exit: (208) [system] [i, o, n, 'L', e, f, t]=[i, o, n, 'L', e, f, t]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'L', e, f, t])
   Call: (207) [system] _1612554=[t, i, o, n, 'L', e, f, t]
   Exit: (207) [system] [t, i, o, n, 'L', e, f, t]=[t, i, o, n, 'L', e, f, t]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'L', e, f, t])
   Call: (206) [system] _1598618=[a, t, i, o, n, 'L', e, f, t]
   Exit: (206) [system] [a, t, i, o, n, 'L', e, f, t]=[a, t, i, o, n, 'L', e, f, t]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n, 'L', e, f, t])
   Call: (205) [system] _1584682=[n, a, t, i, o, n, 'L', e, f, t]
   Exit: (205) [system] [n, a, t, i, o, n, 'L', e, f, t]=[n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, a, t, i, o, n, 'L', e, f, t])
   Call: (204) [system] _1570746=[i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (204) [system] [i, n, a, t, i, o, n, 'L', e, f, t]=[i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (203) [system] _1556810=[m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (203) [system] [m, i, n, a, t, i, o, n, 'L', e, f, t]=[m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (202) [system] _1542874=[i, m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (202) [system] [i, m, i, n, a, t, i, o, n, 'L', e, f, t]=[i, m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, m, i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (201) [system] _1528938=[l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (201) [system] [l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]=[l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (200) [system] _1515002=['E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (200) [system] ['E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]=['E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), ['E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (199) [system] _1501066=[n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (199) [system] [n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]=[n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (198) [system] _1487130=[o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (198) [system] [o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]=[o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (197) [system] _1473194=[i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (197) [system] [i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]=[i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (196) [system] _1459258=[t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (196) [system] [t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]=[t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (195) [system] _1445322=[c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (195) [system] [c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]=[c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (194) [system] _1431386=[n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (194) [system] [n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]=[n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (193) [system] _1417450=[u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (193) [system] [u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]=[u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (192) [system] _1403514=[j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (192) [system] [j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]=[j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (191) [system] _1389578=[n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (191) [system] [n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]=[n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (190) [system] _1375642=[o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (190) [system] [o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]=[o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
^  Call: (189) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t], _1340132)
^  Call: (190) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t], _1804110)
^  Call: (192) [system] setup_call_cleanup('$notrace'(_1805062, _1805064), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t], _1804110), _1805044, fail)), '$restore_trace'(_1805062, _1805064))
^  Call: (193) [system] sig_atomic(system:'$notrace'(_1805062, _1805064))
^  Exit: (192) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t], _1804110), _1805044, fail)), system:'$restore_trace'(3, -1))
   Call: (191) [system] atomic(_1804110)
   Fail: (191) [system] atomic(_1804110)
   Call: (191) [system] atom_chars(_1804110, ['C', o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
   Exit: (191) [system] atom_chars('ConjunctionEliminationLeft', ['C', o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
^  Exit: (190) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t], 'ConjunctionEliminationLeft')
   Call: (190) [system] integer('ConjunctionEliminationLeft')
   Fail: (190) [system] integer('ConjunctionEliminationLeft')
   Call: (190) [system] _1340132='ConjunctionEliminationLeft'
   Exit: (190) [system] 'ConjunctionEliminationLeft'='ConjunctionEliminationLeft'
^  Exit: (189) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t], 'ConjunctionEliminationLeft')
^  Exit: (188) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'ConjunctionEliminationLeft')
^  Exit: (187) [user] cont_sexpr(')', (0x563acd73bee0), 'ConjunctionEliminationLeft')
^  Call: (187) [user] read_list(')', (0x563acd73bee0), _1819060)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1820918)
   Exit: (189) [system] peek_char((0x563acd73bee0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x563acd73bee0), _1830512)
   Exit: (189) [system] get_char((0x563acd73bee0), ' ')
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1833216)
   Exit: (190) [system] peek_char((0x563acd73bee0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _1850150)
   Exit: (188) [system] peek_char((0x563acd73bee0), '(')
   Call: (188) [system] '('=')'
   Fail: (188) [system] '('=')'
   Call: (188) [system] '('=end_of_file
   Fail: (188) [system] '('=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x563acd73bee0), _1855720)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1857578)
   Exit: (190) [system] peek_char((0x563acd73bee0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] get_char((0x563acd73bee0), _1873588)
   Exit: (189) [system] get_char((0x563acd73bee0), '(')
   Call: (189) [system] '('='('
   Exit: (189) [system] '('='('
^  Call: (189) [user] read_list(')', (0x563acd73bee0), _1855720)
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _1879158)
   Exit: (191) [system] peek_char((0x563acd73bee0), -)
   Call: (191) [system] (-)=(;)
   Fail: (191) [system] (-)=(;)
   Call: (191) [system] (-)=(/)
   Fail: (191) [system] (-)=(/)
^  Call: (191) [user] is_like_space(-)
   Call: (192) [system] char_type(-, 'white')
   Fail: (192) [system] char_type(-, 'white')
   Call: (192) [system] char_type(-, end_of_line)
   Fail: (192) [system] char_type(-, end_of_line)
   Call: (192) [system] char_type(-, space)
   Fail: (192) [system] char_type(-, space)
   Call: (192) [system] char_type(-, cntrl)
   Fail: (192) [system] char_type(-, cntrl)
^  Fail: (191) [user] is_like_space(-)
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1895168)
   Exit: (190) [system] peek_char((0x563acd73bee0), -)
   Call: (190) [system] (-)=')'
   Fail: (190) [system] (-)=')'
   Call: (190) [system] (-)=end_of_file
   Fail: (190) [system] (-)=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x563acd73bee0), _1900738)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1902596)
   Exit: (192) [system] peek_char((0x563acd73bee0), -)
   Call: (192) [system] (-)=(;)
   Fail: (192) [system] (-)=(;)
   Call: (192) [system] (-)=(/)
   Fail: (192) [system] (-)=(/)
^  Call: (192) [user] is_like_space(-)
   Call: (193) [system] char_type(-, 'white')
   Fail: (193) [system] char_type(-, 'white')
   Call: (193) [system] char_type(-, end_of_line)
   Fail: (193) [system] char_type(-, end_of_line)
   Call: (193) [system] char_type(-, space)
   Fail: (193) [system] char_type(-, space)
   Call: (193) [system] char_type(-, cntrl)
   Fail: (193) [system] char_type(-, cntrl)
^  Fail: (192) [user] is_like_space(-)
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] get_char((0x563acd73bee0), _1918606)
   Exit: (191) [system] get_char((0x563acd73bee0), -)
   Call: (191) [system] (-)='('
   Fail: (191) [system] (-)='('
   Call: (191) [system] (-)='['
   Fail: (191) [system] (-)='['
   Call: (191) [system] (-)='{'
   Fail: (191) [system] (-)='{'
   Call: (191) [system] (-)='"'
   Fail: (191) [system] (-)='"'
   Call: (191) [system] (-)=!
   Fail: (191) [system] (-)=!
   Call: (191) [system] (-)='\''
   Fail: (191) [system] (-)='\''
   Call: (191) [system] (-)='`'
   Fail: (191) [system] (-)='`'
   Call: (191) [system] (-)=end_of_file
   Fail: (191) [system] (-)=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x563acd73bee0), -, _1900738)
^  Call: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), _1936248)
   Call: (193) [system] peek_char((0x563acd73bee0), _1937182)
   Exit: (193) [system] peek_char((0x563acd73bee0), >)
^  Call: (193) [user] is_delimiter(>)
   Call: (194) [system] char_type(>, space)
   Fail: (194) [system] char_type(>, space)
   Call: (194) [system] arg(_1941902, v('(', ')', end_of_file), >)
   Fail: (194) [system] arg(_1942834, v('(', ')', end_of_file), >)
^  Fail: (193) [user] is_delimiter(>)
   Call: (193) [system] ')'==(>)
   Fail: (193) [system] ')'==(>)
   Call: (193) [system] get_char((0x563acd73bee0), >)
   Exit: (193) [system] get_char((0x563acd73bee0), >)
   Call: (193) [system] (>)=(\)
   Fail: (193) [system] (>)=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _1950184)
   Call: (194) [system] peek_char((0x563acd73bee0), _1951118)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _1950184=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (193) [system] _1936248=[>]
   Exit: (193) [system] [>]=[>]
^  Exit: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), [>])
^  Call: (192) [user] classify_and_convert_charseq([-, >], _1900738)
^  Call: (193) [user] classify_and_convert_charseq_([-, >], _1963196)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_1964148, _1964150), once(user:catch(read_from_chars([-, >], _1963196), _1964130, fail)), '$restore_trace'(_1964148, _1964150))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_1964148, _1964150))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _1964130, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(->)
   Exit: (194) [system] atomic(->)
^  Exit: (193) [user] classify_and_convert_charseq_([-, >], ->)
   Call: (193) [system] integer(->)
   Fail: (193) [system] integer(->)
   Call: (193) [system] _1900738=(->)
   Exit: (193) [system] (->)=(->)
^  Exit: (192) [user] classify_and_convert_charseq([-, >], ->)
^  Exit: (191) [user] read_symbolic(')', (0x563acd73bee0), -, ->)
^  Exit: (190) [user] cont_sexpr(')', (0x563acd73bee0), ->)
^  Call: (190) [user] read_list(')', (0x563acd73bee0), _1976276)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1978134)
   Exit: (192) [system] peek_char((0x563acd73bee0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x563acd73bee0), _1987728)
   Exit: (192) [system] get_char((0x563acd73bee0), ' ')
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1990432)
   Exit: (193) [system] peek_char((0x563acd73bee0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _2007366)
   Exit: (191) [system] peek_char((0x563acd73bee0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x563acd73bee0), _2012936)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _2014794)
   Exit: (193) [system] peek_char((0x563acd73bee0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] get_char((0x563acd73bee0), _2030804)
   Exit: (192) [system] get_char((0x563acd73bee0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _2012936)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _2036374)
   Exit: (194) [system] peek_char((0x563acd73bee0), 'A')
   Call: (194) [system] 'A'=(;)
   Fail: (194) [system] 'A'=(;)
   Call: (194) [system] 'A'=(/)
   Fail: (194) [system] 'A'=(/)
^  Call: (194) [user] is_like_space('A')
   Call: (195) [system] char_type('A', 'white')
   Fail: (195) [system] char_type('A', 'white')
   Call: (195) [system] char_type('A', end_of_line)
   Fail: (195) [system] char_type('A', end_of_line)
   Call: (195) [system] char_type('A', space)
   Fail: (195) [system] char_type('A', space)
   Call: (195) [system] char_type('A', cntrl)
   Fail: (195) [system] char_type('A', cntrl)
^  Fail: (194) [user] is_like_space('A')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _2052384)
   Exit: (193) [system] peek_char((0x563acd73bee0), 'A')
   Call: (193) [system] 'A'=')'
   Fail: (193) [system] 'A'=')'
   Call: (193) [system] 'A'=end_of_file
   Fail: (193) [system] 'A'=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x563acd73bee0), _2057954)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _2059812)
   Exit: (195) [system] peek_char((0x563acd73bee0), 'A')
   Call: (195) [system] 'A'=(;)
   Fail: (195) [system] 'A'=(;)
   Call: (195) [system] 'A'=(/)
   Fail: (195) [system] 'A'=(/)
^  Call: (195) [user] is_like_space('A')
   Call: (196) [system] char_type('A', 'white')
   Fail: (196) [system] char_type('A', 'white')
   Call: (196) [system] char_type('A', end_of_line)
   Fail: (196) [system] char_type('A', end_of_line)
   Call: (196) [system] char_type('A', space)
   Fail: (196) [system] char_type('A', space)
   Call: (196) [system] char_type('A', cntrl)
   Fail: (196) [system] char_type('A', cntrl)
^  Fail: (195) [user] is_like_space('A')
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] get_char((0x563acd73bee0), _2075822)
   Exit: (194) [system] get_char((0x563acd73bee0), 'A')
   Call: (194) [system] 'A'='('
   Fail: (194) [system] 'A'='('
   Call: (194) [system] 'A'='['
   Fail: (194) [system] 'A'='['
   Call: (194) [system] 'A'='{'
   Fail: (194) [system] 'A'='{'
   Call: (194) [system] 'A'='"'
   Fail: (194) [system] 'A'='"'
   Call: (194) [system] 'A'=!
   Fail: (194) [system] 'A'=!
   Call: (194) [system] 'A'='\''
   Fail: (194) [system] 'A'='\''
   Call: (194) [system] 'A'='`'
   Fail: (194) [system] 'A'='`'
   Call: (194) [system] 'A'=end_of_file
   Fail: (194) [system] 'A'=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x563acd73bee0), 'A', _2057954)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _2093464)
   Call: (196) [system] peek_char((0x563acd73bee0), _2094398)
   Exit: (196) [system] peek_char((0x563acd73bee0), n)
^  Call: (196) [user] is_delimiter(n)
   Call: (197) [system] char_type(n, space)
   Fail: (197) [system] char_type(n, space)
   Call: (197) [system] arg(_5748, v('(', ')', end_of_file), n)
   Fail: (197) [system] arg(_6680, v('(', ')', end_of_file), n)
^  Fail: (196) [user] is_delimiter(n)
   Call: (196) [system] ')'==n
   Fail: (196) [system] ')'==n
   Call: (196) [system] get_char((0x563acd73bee0), n)
   Exit: (196) [system] get_char((0x563acd73bee0), n)
   Call: (196) [system] n=(\)
   Fail: (196) [system] n=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _14030)
   Call: (197) [system] peek_char((0x563acd73bee0), _14964)
   Exit: (197) [system] peek_char((0x563acd73bee0), d)
^  Call: (197) [user] is_delimiter(d)
   Call: (198) [system] char_type(d, space)
   Fail: (198) [system] char_type(d, space)
   Call: (198) [system] arg(_19684, v('(', ')', end_of_file), d)
   Fail: (198) [system] arg(_20616, v('(', ')', end_of_file), d)
^  Fail: (197) [user] is_delimiter(d)
   Call: (197) [system] ')'==d
   Fail: (197) [system] ')'==d
   Call: (197) [system] get_char((0x563acd73bee0), d)
   Exit: (197) [system] get_char((0x563acd73bee0), d)
   Call: (197) [system] d=(\)
   Fail: (197) [system] d=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _27966)
   Call: (198) [system] peek_char((0x563acd73bee0), _28900)
   Exit: (198) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (198) [user] is_delimiter('L')
   Call: (199) [system] char_type('L', space)
   Fail: (199) [system] char_type('L', space)
   Call: (199) [system] arg(_33620, v('(', ')', end_of_file), 'L')
   Fail: (199) [system] arg(_34552, v('(', ')', end_of_file), 'L')
^  Fail: (198) [user] is_delimiter('L')
   Call: (198) [system] ')'=='L'
   Fail: (198) [system] ')'=='L'
   Call: (198) [system] get_char((0x563acd73bee0), 'L')
   Exit: (198) [system] get_char((0x563acd73bee0), 'L')
   Call: (198) [system] 'L'=(\)
   Fail: (198) [system] 'L'=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _41902)
   Call: (199) [system] peek_char((0x563acd73bee0), _42836)
   Exit: (199) [system] peek_char((0x563acd73bee0), i)
^  Call: (199) [user] is_delimiter(i)
   Call: (200) [system] char_type(i, space)
   Fail: (200) [system] char_type(i, space)
   Call: (200) [system] arg(_47556, v('(', ')', end_of_file), i)
   Fail: (200) [system] arg(_48488, v('(', ')', end_of_file), i)
^  Fail: (199) [user] is_delimiter(i)
   Call: (199) [system] ')'==i
   Fail: (199) [system] ')'==i
   Call: (199) [system] get_char((0x563acd73bee0), i)
   Exit: (199) [system] get_char((0x563acd73bee0), i)
   Call: (199) [system] i=(\)
   Fail: (199) [system] i=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _55838)
   Call: (200) [system] peek_char((0x563acd73bee0), _56772)
   Exit: (200) [system] peek_char((0x563acd73bee0), n)
^  Call: (200) [user] is_delimiter(n)
   Call: (201) [system] char_type(n, space)
   Fail: (201) [system] char_type(n, space)
   Call: (201) [system] arg(_61492, v('(', ')', end_of_file), n)
   Fail: (201) [system] arg(_62424, v('(', ')', end_of_file), n)
^  Fail: (200) [user] is_delimiter(n)
   Call: (200) [system] ')'==n
   Fail: (200) [system] ')'==n
   Call: (200) [system] get_char((0x563acd73bee0), n)
   Exit: (200) [system] get_char((0x563acd73bee0), n)
   Call: (200) [system] n=(\)
   Fail: (200) [system] n=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _69774)
   Call: (201) [system] peek_char((0x563acd73bee0), _70708)
   Exit: (201) [system] peek_char((0x563acd73bee0), k)
^  Call: (201) [user] is_delimiter(k)
   Call: (202) [system] char_type(k, space)
   Fail: (202) [system] char_type(k, space)
   Call: (202) [system] arg(_75428, v('(', ')', end_of_file), k)
   Fail: (202) [system] arg(_76360, v('(', ')', end_of_file), k)
^  Fail: (201) [user] is_delimiter(k)
   Call: (201) [system] ')'==k
   Fail: (201) [system] ')'==k
   Call: (201) [system] get_char((0x563acd73bee0), k)
   Exit: (201) [system] get_char((0x563acd73bee0), k)
   Call: (201) [system] k=(\)
   Fail: (201) [system] k=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _83710)
   Call: (202) [system] peek_char((0x563acd73bee0), _84644)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _83710=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (201) [system] _69774=[k]
   Exit: (201) [system] [k]=[k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (200) [system] _55838=[n, k]
   Exit: (200) [system] [n, k]=[n, k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (199) [system] _41902=[i, n, k]
   Exit: (199) [system] [i, n, k]=[i, n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (198) [system] _27966=['L', i, n, k]
   Exit: (198) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (197) [system] _14030=[d, 'L', i, n, k]
   Exit: (197) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, 'L', i, n, k])
   Call: (196) [system] _3418=[n, d, 'L', i, n, k]
   Exit: (196) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, d, 'L', i, n, k])
^  Call: (195) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _3414)
^  Call: (196) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _110692)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_111644, _111646), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _110692), _111626, fail)), '$restore_trace'(_111644, _111646))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_111644, _111646))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _110692), _111626, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(_110692)
   Fail: (197) [system] atomic(_110692)
   Call: (197) [system] atom_chars(_110692, ['A', n, d, 'L', i, n, k])
   Exit: (197) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (196) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (196) [system] integer('AndLink')
   Fail: (196) [system] integer('AndLink')
   Call: (196) [system] _3414='AndLink'
   Exit: (196) [system] 'AndLink'='AndLink'
^  Exit: (195) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (194) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'AndLink')
^  Exit: (193) [user] cont_sexpr(')', (0x563acd73bee0), 'AndLink')
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _125642)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _127500)
   Exit: (195) [system] peek_char((0x563acd73bee0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x563acd73bee0), _137094)
   Exit: (195) [system] get_char((0x563acd73bee0), ' ')
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _139798)
   Exit: (196) [system] peek_char((0x563acd73bee0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _156732)
   Exit: (194) [system] peek_char((0x563acd73bee0), $)
   Call: (194) [system] ($)=')'
   Fail: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x563acd73bee0), _162302)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _164160)
   Exit: (196) [system] peek_char((0x563acd73bee0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] get_char((0x563acd73bee0), _180170)
   Exit: (195) [system] get_char((0x563acd73bee0), $)
   Call: (195) [system] ($)='('
   Fail: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Fail: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Fail: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Fail: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Fail: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Fail: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Fail: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x563acd73bee0), $, _162302)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _197812)
   Call: (197) [system] peek_char((0x563acd73bee0), _198746)
   Exit: (197) [system] peek_char((0x563acd73bee0), p)
^  Call: (197) [user] is_delimiter(p)
   Call: (198) [system] char_type(p, space)
   Fail: (198) [system] char_type(p, space)
   Call: (198) [system] arg(_203466, v('(', ')', end_of_file), p)
   Fail: (198) [system] arg(_204398, v('(', ')', end_of_file), p)
^  Fail: (197) [user] is_delimiter(p)
   Call: (197) [system] ')'==p
   Fail: (197) [system] ')'==p
   Call: (197) [system] get_char((0x563acd73bee0), p)
   Exit: (197) [system] get_char((0x563acd73bee0), p)
   Call: (197) [system] p=(\)
   Fail: (197) [system] p=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _211748)
   Call: (198) [system] peek_char((0x563acd73bee0), _212682)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _211748=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (197) [system] _197812=[p]
   Exit: (197) [system] [p]=[p]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [p])
^  Call: (196) [user] classify_and_convert_charseq([$, p], _162302)
^  Call: (197) [user] classify_and_convert_charseq_([$, p], _224760)
   Call: (198) [system] atom_chars(_225692, ['_', p])
   Exit: (198) [system] atom_chars('_p', ['_', p])
^  Exit: (197) [user] classify_and_convert_charseq_([$, p], _p)
   Call: (197) [system] integer(_p)
   Fail: (197) [system] integer(_p)
   Call: (197) [system] _162302=_p
   Exit: (197) [system] _p=_p
^  Exit: (196) [user] classify_and_convert_charseq([$, p], _p)
^  Exit: (195) [user] read_symbolic(')', (0x563acd73bee0), $, _p)
^  Exit: (194) [user] cont_sexpr(')', (0x563acd73bee0), _p)
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _234984)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _236842)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x563acd73bee0), _246436)
   Exit: (196) [system] get_char((0x563acd73bee0), ' ')
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _249140)
   Exit: (197) [system] peek_char((0x563acd73bee0), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
   Call: (197) [system] ($)=(/)
   Fail: (197) [system] ($)=(/)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _266074)
   Exit: (195) [system] peek_char((0x563acd73bee0), $)
   Call: (195) [system] ($)=')'
   Fail: (195) [system] ($)=')'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x563acd73bee0), _271644)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _273502)
   Exit: (197) [system] peek_char((0x563acd73bee0), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
   Call: (197) [system] ($)=(/)
   Fail: (197) [system] ($)=(/)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] get_char((0x563acd73bee0), _289512)
   Exit: (196) [system] get_char((0x563acd73bee0), $)
   Call: (196) [system] ($)='('
   Fail: (196) [system] ($)='('
   Call: (196) [system] ($)='['
   Fail: (196) [system] ($)='['
   Call: (196) [system] ($)='{'
   Fail: (196) [system] ($)='{'
   Call: (196) [system] ($)='"'
   Fail: (196) [system] ($)='"'
   Call: (196) [system] ($)=!
   Fail: (196) [system] ($)=!
   Call: (196) [system] ($)='\''
   Fail: (196) [system] ($)='\''
   Call: (196) [system] ($)='`'
   Fail: (196) [system] ($)='`'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x563acd73bee0), $, _271644)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _307154)
   Call: (198) [system] peek_char((0x563acd73bee0), _308088)
   Exit: (198) [system] peek_char((0x563acd73bee0), q)
^  Call: (198) [user] is_delimiter(q)
   Call: (199) [system] char_type(q, space)
   Fail: (199) [system] char_type(q, space)
   Call: (199) [system] arg(_312808, v('(', ')', end_of_file), q)
   Fail: (199) [system] arg(_313740, v('(', ')', end_of_file), q)
^  Fail: (198) [user] is_delimiter(q)
   Call: (198) [system] ')'==q
   Fail: (198) [system] ')'==q
   Call: (198) [system] get_char((0x563acd73bee0), q)
   Exit: (198) [system] get_char((0x563acd73bee0), q)
   Call: (198) [system] q=(\)
   Fail: (198) [system] q=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _321090)
   Call: (199) [system] peek_char((0x563acd73bee0), _322024)
   Exit: (199) [system] peek_char((0x563acd73bee0), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_326744, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _321090=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (198) [system] _307154=[q]
   Exit: (198) [system] [q]=[q]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [q])
^  Call: (197) [user] classify_and_convert_charseq([$, q], _271644)
^  Call: (198) [user] classify_and_convert_charseq_([$, q], _335974)
   Call: (199) [system] atom_chars(_336906, ['_', q])
   Exit: (199) [system] atom_chars('_q', ['_', q])
^  Exit: (198) [user] classify_and_convert_charseq_([$, q], _q)
   Call: (198) [system] integer(_q)
   Fail: (198) [system] integer(_q)
   Call: (198) [system] _271644=_q
   Exit: (198) [system] _q=_q
^  Exit: (197) [user] classify_and_convert_charseq([$, q], _q)
^  Exit: (196) [user] read_symbolic(')', (0x563acd73bee0), $, _q)
^  Exit: (195) [user] cont_sexpr(')', (0x563acd73bee0), _q)
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _346198)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _348056)
   Exit: (197) [system] peek_char((0x563acd73bee0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _364066)
   Exit: (196) [system] peek_char((0x563acd73bee0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x563acd73bee0), _367856)
   Exit: (196) [system] get_char((0x563acd73bee0), ')')
   Call: (196) [system] _346198=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), [])
   Call: (195) [system] _234984=[_q]
   Exit: (195) [system] [_q]=[_q]
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), [_q])
   Call: (194) [system] _125642=[_p, _q]
   Exit: (194) [system] [_p, _q]=[_p, _q]
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), [_p, _q])
   Call: (193) [system] _3408=['AndLink', _p, _q]
   Exit: (193) [system] ['AndLink', _p, _q]=['AndLink', _p, _q]
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), ['AndLink', _p, _q])
^  Exit: (191) [user] cont_sexpr(')', (0x563acd73bee0), ['AndLink', _p, _q])
^  Call: (191) [user] read_list(')', (0x563acd73bee0), _381738)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _383596)
   Exit: (193) [system] peek_char((0x563acd73bee0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x563acd73bee0), _393190)
   Exit: (193) [system] get_char((0x563acd73bee0), ' ')
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _395894)
   Exit: (194) [system] peek_char((0x563acd73bee0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _412828)
   Exit: (192) [system] peek_char((0x563acd73bee0), $)
   Call: (192) [system] ($)=')'
   Fail: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x563acd73bee0), _418398)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _420256)
   Exit: (194) [system] peek_char((0x563acd73bee0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] get_char((0x563acd73bee0), _436266)
   Exit: (193) [system] get_char((0x563acd73bee0), $)
   Call: (193) [system] ($)='('
   Fail: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Fail: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Fail: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Fail: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Fail: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Fail: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Fail: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x563acd73bee0), $, _418398)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _453908)
   Call: (195) [system] peek_char((0x563acd73bee0), _454842)
   Exit: (195) [system] peek_char((0x563acd73bee0), p)
^  Call: (195) [user] is_delimiter(p)
   Call: (196) [system] char_type(p, space)
   Fail: (196) [system] char_type(p, space)
   Call: (196) [system] arg(_459562, v('(', ')', end_of_file), p)
   Fail: (196) [system] arg(_460494, v('(', ')', end_of_file), p)
^  Fail: (195) [user] is_delimiter(p)
   Call: (195) [system] ')'==p
   Fail: (195) [system] ')'==p
   Call: (195) [system] get_char((0x563acd73bee0), p)
   Exit: (195) [system] get_char((0x563acd73bee0), p)
   Call: (195) [system] p=(\)
   Fail: (195) [system] p=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _467844)
   Call: (196) [system] peek_char((0x563acd73bee0), _468778)
   Exit: (196) [system] peek_char((0x563acd73bee0), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_473498, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _467844=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (195) [system] _453908=[p]
   Exit: (195) [system] [p]=[p]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [p])
^  Call: (194) [user] classify_and_convert_charseq([$, p], _418398)
^  Call: (195) [user] classify_and_convert_charseq_([$, p], _482728)
   Call: (196) [system] atom_chars(_483660, ['_', p])
   Exit: (196) [system] atom_chars('_p', ['_', p])
^  Exit: (195) [user] classify_and_convert_charseq_([$, p], _p)
   Call: (195) [system] integer(_p)
   Fail: (195) [system] integer(_p)
   Call: (195) [system] _418398=_p
   Exit: (195) [system] _p=_p
^  Exit: (194) [user] classify_and_convert_charseq([$, p], _p)
^  Exit: (193) [user] read_symbolic(')', (0x563acd73bee0), $, _p)
^  Exit: (192) [user] cont_sexpr(')', (0x563acd73bee0), _p)
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _492952)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _494810)
   Exit: (194) [system] peek_char((0x563acd73bee0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
   Call: (194) [system] ')'=(/)
   Fail: (194) [system] ')'=(/)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _510820)
   Exit: (193) [system] peek_char((0x563acd73bee0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x563acd73bee0), _514610)
   Exit: (193) [system] get_char((0x563acd73bee0), ')')
   Call: (193) [system] _492952=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), [])
   Call: (192) [system] _381738=[_p]
   Exit: (192) [system] [_p]=[_p]
^  Exit: (191) [user] read_list(')', (0x563acd73bee0), [_p])
   Call: (191) [system] _3404=[['AndLink', _p, _q], _p]
   Exit: (191) [system] [['AndLink', _p, _q], _p]=[['AndLink', _p, _q], _p]
^  Exit: (190) [user] read_list(')', (0x563acd73bee0), [['AndLink', _p, _q], _p])
   Call: (190) [system] _3396=[->, ['AndLink', _p, _q], _p]
   Exit: (190) [system] [->, ['AndLink', _p, _q], _p]=[->, ['AndLink', _p, _q], _p]
^  Exit: (189) [user] read_list(')', (0x563acd73bee0), [->, ['AndLink', _p, _q], _p])
^  Exit: (188) [user] cont_sexpr(')', (0x563acd73bee0), [->, ['AndLink', _p, _q], _p])
^  Call: (188) [user] read_list(')', (0x563acd73bee0), _528492)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _530350)
   Exit: (190) [system] peek_char((0x563acd73bee0), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
   Call: (190) [system] ')'=(/)
   Fail: (190) [system] ')'=(/)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _546360)
   Exit: (189) [system] peek_char((0x563acd73bee0), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x563acd73bee0), _550150)
   Exit: (189) [system] get_char((0x563acd73bee0), ')')
   Call: (189) [system] _528492=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x563acd73bee0), [])
   Call: (188) [system] _3392=[[->, ['AndLink', _p, _q], _p]]
   Exit: (188) [system] [[->, ['AndLink', _p, _q], _p]]=[[->, ['AndLink', _p, _q], _p]]
^  Exit: (187) [user] read_list(')', (0x563acd73bee0), [[->, ['AndLink', _p, _q], _p]])
   Call: (187) [system] _3386=['ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]
   Exit: (187) [system] ['ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]=['ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]
^  Exit: (186) [user] read_list(')', (0x563acd73bee0), ['ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]])
   Call: (186) [system] _3378=[:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]
   Exit: (186) [system] [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]=[:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]
^  Exit: (185) [user] read_list(')', (0x563acd73bee0), [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]])
^  Exit: (184) [user] cont_sexpr(')', (0x563acd73bee0), [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]])
^  Call: (184) [user] read_list(')', (0x563acd73bee0), _564032)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _565890)
   Exit: (186) [system] peek_char((0x563acd73bee0), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
   Call: (186) [system] ')'=(/)
   Fail: (186) [system] ')'=(/)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _581900)
   Exit: (185) [system] peek_char((0x563acd73bee0), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x563acd73bee0), _585690)
   Exit: (185) [system] get_char((0x563acd73bee0), ')')
   Call: (185) [system] _564032=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x563acd73bee0), [])
   Call: (184) [system] _3374=[[:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]]
   Exit: (184) [system] [[:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]]=[[:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]]
^  Exit: (183) [user] read_list(')', (0x563acd73bee0), [[:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]])
   Call: (183) [system] _3362=[[rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]]
   Exit: (183) [system] [[rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]]=[[rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]]
^  Exit: (182) [user] read_list(')', (0x563acd73bee0), [[rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]])
   Call: (182) [system] _3322=[=, [rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]]
   Exit: (182) [system] [=, [rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]]=[=, [rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]]
^  Exit: (181) [user] read_list(')', (0x563acd73bee0), [=, [rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]])
^  Exit: (180) [user] cont_sexpr(')', (0x563acd73bee0), [=, [rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]])
^  Exit: (179) [user] read_sexpr((0x563acd73bee0), [=, [rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]])
^  Call: (179) [user] assertz(metta_file_comment(114, 0, 4640, [=, [rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]], '$stream_position'(4640, 114, 0, 4640)))
^  Exit: (179) [user] assertz(metta_file_comment(114, 0, 4640, [=, [rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]], '$stream_position'(4640, 114, 0, 4640)))
^  Exit: (177) [system] once(user:(read_position((0x563acd73bee0), 114, 0, 4640, '$stream_position'(4640, 114, 0, 4640)), read_sexpr((0x563acd73bee0), [=, [rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]]), assertz(metta_file_comment(114, 0, 4640, [=, [rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]], '$stream_position'(4640, 114, 0, 4640)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_604208, _604210, _604212, _604214, _604216))
^  Exit: (177) [user] retract(metta_file_comment(66, 0, 2300, '$COMMENT'(";; Trinary rule", 66, 0), '$stream_position'(2300, 66, 0, 2300)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; Trinary rule", 66, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";; Trinary rule", 66, 0), _607044))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";; Trinary rule", 66, 0), _607044)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";; Trinary rule", 66, 0), _607044)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";; Trinary rule", 66, 0), _609860))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";; Trinary rule", 66, 0), _609860))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";; Trinary rule", 66, 0), _609860)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";; Trinary rule", 66, 0), _612660))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";; Trinary rule", 66, 0), _612660)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";; Trinary rule", 66, 0), _612660)
   Call: (187) [system] var('$COMMENT'(";; Trinary rule", 66, 0))
   Call: (187) [system] atom('$COMMENT'(";; Trinary rule", 66, 0))
   Call: (187) [system] '$COMMENT'(";; Trinary rule", 66, 0)==true
   Call: (187) [system] '$COMMENT'(";; Trinary rule", 66, 0)==false
   Call: (187) [system] '$COMMENT'(";; Trinary rule", 66, 0)==[_619180, _619186]
   Call: (187) [system] is_list('$COMMENT'(";; Trinary rule", 66, 0))
   Call: (187) [system] string('$COMMENT'(";; Trinary rule", 66, 0))
   Call: (187) [system] compound('$COMMENT'(";; Trinary rule", 66, 0))
   Exit: (187) [system] compound('$COMMENT'(";; Trinary rule", 66, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";; Trinary rule", 66, 0), _623814, _623816)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT', [";; Trinary rule", 66, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";; Trinary rule", 66, 0], _627556)
   Call: (188) [apply] apply:maplist_([";; Trinary rule", 66, 0], _627556, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";; Trinary rule", _629436)
   Call: (190) [system] var(";; Trinary rule")
   Call: (190) [system] atom(";; Trinary rule")
   Call: (190) [system] ";; Trinary rule"==true
   Call: (190) [system] ";; Trinary rule"==false
   Call: (190) [system] ";; Trinary rule"==[_634078, _634084]
   Call: (190) [system] is_list(";; Trinary rule")
   Call: (190) [system] string(";; Trinary rule")
   Exit: (190) [system] string(";; Trinary rule")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";; Trinary rule")
^  Call: (190) [user] symbol(";; Trinary rule")
   Call: (191) [system] atom(";; Trinary rule")
   Fail: (191) [system] atom(";; Trinary rule")
^  Fail: (190) [user] symbol(";; Trinary rule")
   Call: (190) [system] ";; Trinary rule"=_629436
   Exit: (190) [system] ";; Trinary rule"=";; Trinary rule"
^  Exit: (189) [user] mfix_vars1(";; Trinary rule", ";; Trinary rule")
   Call: (189) [apply] apply:maplist_([66, 0], _629438, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(66, _647958)
   Call: (191) [system] var(66)
   Call: (191) [system] atom(66)
   Call: (191) [system] 66==true
   Call: (191) [system] 66==false
   Call: (191) [system] 66==[_652600, _652606]
   Call: (191) [system] is_list(66)
   Call: (191) [system] string(66)
   Call: (191) [system] compound(66)
^  Call: (191) [user] symbol(66)
   Call: (192) [system] atom(66)
   Fail: (192) [system] atom(66)
^  Fail: (191) [user] symbol(66)
   Call: (191) [system] 66=_647958
   Exit: (191) [system] 66=66
^  Exit: (190) [user] mfix_vars1(66, 66)
   Call: (190) [apply] apply:maplist_([0], _647960, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _663724)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_668366, _668372]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_663724
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _663726, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([66, 0], [66, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";; Trinary rule", 66, 0], [";; Trinary rule", 66, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";; Trinary rule", 66, 0], [";; Trinary rule", 66, 0])
   Call: (187) [system] compound_name_arguments(_612660, '$COMMENT', [";; Trinary rule", 66, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT', [";; Trinary rule", 66, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0)))
   Call: (184) [system] '$COMMENT'(";; Trinary rule", 66, 0)\=@='$COMMENT'(";; Trinary rule", 66, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";; Trinary rule", 66, 0), _692542))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";; Trinary rule", 66, 0), _692542))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";; Trinary rule", 66, 0), _692542)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";; Trinary rule", 66, 0), _695342))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";; Trinary rule", 66, 0), _695342)
^  Call: (186) [user] cons_to_c('$COMMENT'(";; Trinary rule", 66, 0), _695342)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0)))
   Call: (184) [system] '$COMMENT'(";; Trinary rule", 66, 0)\=@='$COMMENT'(";; Trinary rule", 66, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";; Trinary rule", 66, 0), _607044))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";; Trinary rule", 66, 0), _607044))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";; Trinary rule", 66, 0), _607044)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";; Trinary rule", 66, 0), _709300))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";; Trinary rule", 66, 0), _709300)
^  Call: (186) [user] cons_to_l('$COMMENT'(";; Trinary rule", 66, 0), _709300)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0)))
   Call: (184) [system] '$COMMENT'(";; Trinary rule", 66, 0)\=@='$COMMENT'(";; Trinary rule", 66, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0)))
   Call: (178) [system] '$COMMENT'(";; Trinary rule", 66, 0)\=@='$COMMENT'(";; Trinary rule", 66, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";; Trinary rule", 66, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";; Trinary rule", 66, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";; Trinary rule", 66, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";; Trinary rule", 66, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";; Trinary rule", 66, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";; Trinary rule", 66, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";; Trinary rule", 66, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";; Trinary rule", 66, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";; Trinary rule", 66, 0))
^  Exit: (171) [user] read_sform((0x563acd73bee0), '$COMMENT'(";; Trinary rule", 66, 0))
^  Exit: (170) [system] once(user:read_sform((0x563acd73bee0), '$COMMENT'(";; Trinary rule", 66, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x563acd73bee0), '$COMMENT'(";; Trinary rule", 66, 0)))
   Call: (169) [system] '$COMMENT'(";; Trinary rule", 66, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";; Trinary rule", 66, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1727204596.0891678), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204596.0891678), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Trinary rule", 66, 0)), 113]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";; Trinary rule", 66, 0), ynthesize_long_1727204587_629323, 113)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1727204596.0891678), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204596.0891678), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Trinary rule", 66, 0)), 113]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1727204599.1299481)
   Call: (173) [system] arg(1, t(1727204596.0891678), _3148)
   Exit: (173) [system] arg(1, t(1727204596.0891678), 1727204596.0891678)
   Call: (173) [system] _3158 is 1727204599.1299481-1727204596.0891678
   Exit: (173) [system] 3.0407803058624268 is 1727204599.1299481-1727204596.0891678
   Call: (173) [system] 3.0407803058624268>4
   Fail: (173) [system] 3.0407803058624268>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1727204596.0891678), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204596.0891678), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Trinary rule", 66, 0)), 113]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 22)
   Call: (175) [system] atom(22+1)
   Call: (175) [system] set_flag(translated_forms, 23)
   Exit: (175) [system] set_flag(translated_forms, 23)
   Exit: (174) [$syspreds] update_flag(translated_forms, 22, 22+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 22, 22+1))
   Exit: (171) [$syspreds] flag(translated_forms, 22, 22+1)
^  Call: (171) [user] write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";; Trinary rule", 66, 0), ynthesize_long_1727204587_629323, 113)
^  Call: (172) [user] format((0x563acd7397e0), "/* ~w */~n", [";; Trinary rule"])
^  Exit: (172) [user] format((0x563acd7397e0), "/* ~w */~n", [";; Trinary rule"])
^  Exit: (171) [user] write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";; Trinary rule", 66, 0), ynthesize_long_1727204587_629323, 113)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1727204596.0891678), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204596.0891678), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Trinary rule", 66, 0)), 113]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 22, 22+1), write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";; Trinary rule", 66, 0), ynthesize_long_1727204587_629323, 113)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x563acd73bee0))
   Fail: (169) [system] at_end_of_stream((0x563acd73bee0))
^  Call: (169) [user] must_det_ll(line_count((0x563acd73bee0), _3074))
^  Call: (170) [user] once(user:line_count((0x563acd73bee0), _3074))
   Call: (171) [system] line_count((0x563acd73bee0), _3074)
   Exit: (171) [system] line_count((0x563acd73bee0), 114)
^  Exit: (170) [system] once(user:line_count((0x563acd73bee0), 114))
^  Exit: (169) [user] must_det_ll(user:line_count((0x563acd73bee0), 114))
^  Call: (169) [user] must_det_ll(read_sform((0x563acd73bee0), _3084))
^  Call: (170) [user] once(user:read_sform((0x563acd73bee0), _3084))
^  Call: (171) [user] read_sform((0x563acd73bee0), _3084)
   Call: (172) [system] string((0x563acd73bee0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
   Call: (173) [system] string((0x563acd73bee0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), _3084)
   Call: (174) [system] at_end_of_stream((0x563acd73bee0))
   Call: (174) [system] peek_char((0x563acd73bee0), _784084)
   Exit: (174) [system] peek_char((0x563acd73bee0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x563acd73bee0), '\n')
   Exit: (174) [system] get_char((0x563acd73bee0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x563acd73bee0), _3084)
   Call: (175) [system] at_end_of_stream((0x563acd73bee0))
   Call: (175) [system] peek_char((0x563acd73bee0), _791506)
   Exit: (175) [system] peek_char((0x563acd73bee0), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
   Call: (176) [system] string((0x563acd73bee0))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), _3084)
   Call: (177) [system] at_end_of_stream((0x563acd73bee0))
   Call: (177) [system] peek_char((0x563acd73bee0), _799844)
   Exit: (177) [system] peek_char((0x563acd73bee0), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _802630=(0x563acd73bee0)
   Exit: (177) [system] (0x563acd73bee0)=(0x563acd73bee0)
^  Call: (177) [user] once((read_position((0x563acd73bee0), _804498, _804500, _804502, _804504), read_sexpr((0x563acd73bee0), _804516), assertz(metta_file_comment(_804498, _804500, _804502, _804516, _804504))))
^  Call: (179) [user] read_position((0x563acd73bee0), _804498, _804500, _804502, _804504)
   Call: (180) [system] stream_property((0x563acd73bee0), position(_804504))
   Call: (181) [system] nonvar((0x563acd73bee0))
   Exit: (181) [system] nonvar((0x563acd73bee0))
   Call: (181) [system] nonvar(position(_804504))
   Exit: (181) [system] nonvar(position(_804504))
   Exit: (180) [system] stream_property((0x563acd73bee0), position('$stream_position'(4704, 115, 0, 4704)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4704, 115, 0, 4704), _804498)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _814756)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(4704, 115, 0, 4704), _804498)
   Exit: (181) [system] arg(2, '$stream_position'(4704, 115, 0, 4704), 115)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4704, 115, 0, 4704), 115)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4704, 115, 0, 4704), _804500)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _822190)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(4704, 115, 0, 4704), _804500)
   Exit: (181) [system] arg(3, '$stream_position'(4704, 115, 0, 4704), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4704, 115, 0, 4704), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4704, 115, 0, 4704), _804502)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _829624)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(4704, 115, 0, 4704), _804502)
   Exit: (181) [system] arg(1, '$stream_position'(4704, 115, 0, 4704), 4704)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4704, 115, 0, 4704), 4704)
^  Exit: (179) [user] read_position((0x563acd73bee0), 115, 0, 4704, '$stream_position'(4704, 115, 0, 4704))
^  Call: (179) [user] read_sexpr((0x563acd73bee0), _804516)
   Call: (180) [system] string((0x563acd73bee0))
   Fail: (180) [system] string((0x563acd73bee0))
^  Call: (180) [user] cont_sexpr(')', (0x563acd73bee0), _804516)
^  Call: (181) [user] skip_spaces((0x563acd73bee0))
   Call: (182) [system] peek_char((0x563acd73bee0), _839850)
   Exit: (182) [system] peek_char((0x563acd73bee0), '(')
   Call: (182) [system] '('=(;)
   Fail: (182) [system] '('=(;)
   Call: (182) [system] '('=(/)
   Fail: (182) [system] '('=(/)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Fail: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Fail: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Fail: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
   Fail: (183) [system] char_type('(', cntrl)
^  Fail: (182) [user] is_like_space('(')
^  Exit: (181) [user] skip_spaces((0x563acd73bee0))
   Call: (181) [system] get_char((0x563acd73bee0), _855860)
   Exit: (181) [system] get_char((0x563acd73bee0), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x563acd73bee0), _804516)
^  Call: (182) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] peek_char((0x563acd73bee0), _861430)
   Exit: (183) [system] peek_char((0x563acd73bee0), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
   Call: (183) [system] (=)=(/)
   Fail: (183) [system] (=)=(/)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x563acd73bee0))
   Call: (182) [system] peek_char((0x563acd73bee0), _877440)
   Exit: (182) [system] peek_char((0x563acd73bee0), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x563acd73bee0), _883010)
^  Call: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _884868)
   Exit: (184) [system] peek_char((0x563acd73bee0), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
   Call: (184) [system] (=)=(/)
   Fail: (184) [system] (=)=(/)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] get_char((0x563acd73bee0), _900878)
   Exit: (183) [system] get_char((0x563acd73bee0), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x563acd73bee0), =, _883010)
^  Call: (184) [user] read_symbolic_cont(')', (0x563acd73bee0), _918520)
   Call: (185) [system] peek_char((0x563acd73bee0), _919454)
   Exit: (185) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _918520=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (184) [user] classify_and_convert_charseq([=], _883010)
^  Call: (185) [user] classify_and_convert_charseq_([=], _928738)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_929690, _929692), once(user:catch(read_from_chars([=], _928738), _929672, fail)), '$restore_trace'(_929690, _929692))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_929690, _929692))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _929672, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(=)
   Exit: (186) [system] atomic(=)
^  Exit: (185) [user] classify_and_convert_charseq_([=], =)
   Call: (185) [system] integer(=)
   Fail: (185) [system] integer(=)
   Call: (185) [system] _883010=(=)
   Exit: (185) [system] (=)=(=)
^  Exit: (184) [user] classify_and_convert_charseq([=], =)
^  Exit: (183) [user] read_symbolic(')', (0x563acd73bee0), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x563acd73bee0), =)
^  Call: (182) [user] read_list(')', (0x563acd73bee0), _941818)
^  Call: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _943676)
   Exit: (184) [system] peek_char((0x563acd73bee0), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
   Call: (184) [system] ' '=(/)
   Fail: (184) [system] ' '=(/)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x563acd73bee0), _953270)
   Exit: (184) [system] get_char((0x563acd73bee0), ' ')
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _955974)
   Exit: (185) [system] peek_char((0x563acd73bee0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
^  Exit: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] peek_char((0x563acd73bee0), _972908)
   Exit: (183) [system] peek_char((0x563acd73bee0), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x563acd73bee0), _978478)
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _980336)
   Exit: (185) [system] peek_char((0x563acd73bee0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] get_char((0x563acd73bee0), _996346)
   Exit: (184) [system] get_char((0x563acd73bee0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x563acd73bee0), _978478)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1001916)
   Exit: (186) [system] peek_char((0x563acd73bee0), r)
   Call: (186) [system] r=(;)
   Fail: (186) [system] r=(;)
   Call: (186) [system] r=(/)
   Fail: (186) [system] r=(/)
^  Call: (186) [user] is_like_space(r)
   Call: (187) [system] char_type(r, 'white')
   Fail: (187) [system] char_type(r, 'white')
   Call: (187) [system] char_type(r, end_of_line)
   Fail: (187) [system] char_type(r, end_of_line)
   Call: (187) [system] char_type(r, space)
   Fail: (187) [system] char_type(r, space)
   Call: (187) [system] char_type(r, cntrl)
   Fail: (187) [system] char_type(r, cntrl)
^  Fail: (186) [user] is_like_space(r)
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _1017926)
   Exit: (185) [system] peek_char((0x563acd73bee0), r)
   Call: (185) [system] r=')'
   Fail: (185) [system] r=')'
   Call: (185) [system] r=end_of_file
   Fail: (185) [system] r=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x563acd73bee0), _1023496)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _1025354)
   Exit: (187) [system] peek_char((0x563acd73bee0), r)
   Call: (187) [system] r=(;)
   Fail: (187) [system] r=(;)
   Call: (187) [system] r=(/)
   Fail: (187) [system] r=(/)
^  Call: (187) [user] is_like_space(r)
   Call: (188) [system] char_type(r, 'white')
   Fail: (188) [system] char_type(r, 'white')
   Call: (188) [system] char_type(r, end_of_line)
   Fail: (188) [system] char_type(r, end_of_line)
   Call: (188) [system] char_type(r, space)
   Fail: (188) [system] char_type(r, space)
   Call: (188) [system] char_type(r, cntrl)
   Fail: (188) [system] char_type(r, cntrl)
^  Fail: (187) [user] is_like_space(r)
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] get_char((0x563acd73bee0), _1041364)
   Exit: (186) [system] get_char((0x563acd73bee0), r)
   Call: (186) [system] r='('
   Fail: (186) [system] r='('
   Call: (186) [system] r='['
   Fail: (186) [system] r='['
   Call: (186) [system] r='{'
   Fail: (186) [system] r='{'
   Call: (186) [system] r='"'
   Fail: (186) [system] r='"'
   Call: (186) [system] r=!
   Fail: (186) [system] r=!
   Call: (186) [system] r='\''
   Fail: (186) [system] r='\''
   Call: (186) [system] r='`'
   Fail: (186) [system] r='`'
   Call: (186) [system] r=end_of_file
   Fail: (186) [system] r=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x563acd73bee0), r, _1023496)
^  Call: (187) [user] read_symbolic_cont(')', (0x563acd73bee0), _1059006)
   Call: (188) [system] peek_char((0x563acd73bee0), _1059940)
   Exit: (188) [system] peek_char((0x563acd73bee0), b)
^  Call: (188) [user] is_delimiter(b)
   Call: (189) [system] char_type(b, space)
   Fail: (189) [system] char_type(b, space)
   Call: (189) [system] arg(_1064660, v('(', ')', end_of_file), b)
   Fail: (189) [system] arg(_1065592, v('(', ')', end_of_file), b)
^  Fail: (188) [user] is_delimiter(b)
   Call: (188) [system] ')'==b
   Fail: (188) [system] ')'==b
   Call: (188) [system] get_char((0x563acd73bee0), b)
   Exit: (188) [system] get_char((0x563acd73bee0), b)
   Call: (188) [system] b=(\)
   Fail: (188) [system] b=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), _1072942)
   Call: (189) [system] peek_char((0x563acd73bee0), _1073876)
   Exit: (189) [system] peek_char((0x563acd73bee0), ')')
^  Call: (189) [user] is_delimiter(')')
   Call: (190) [system] char_type(')', space)
   Fail: (190) [system] char_type(')', space)
   Call: (190) [system] arg(_1078596, v('(', ')', end_of_file), ')')
   Exit: (190) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (189) [user] is_delimiter(')')
   Call: (189) [system] _1072942=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (188) [system] _1059006=[b]
   Exit: (188) [system] [b]=[b]
^  Exit: (187) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
^  Call: (187) [user] classify_and_convert_charseq([r, b], _1023496)
^  Call: (188) [user] classify_and_convert_charseq_([r, b], _1087826)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_1088778, _1088780), once(user:catch(read_from_chars([r, b], _1087826), _1088760, fail)), '$restore_trace'(_1088778, _1088780))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_1088778, _1088780))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([r, b], rb), _1088760, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(rb)
   Exit: (189) [system] atomic(rb)
^  Exit: (188) [user] classify_and_convert_charseq_([r, b], rb)
   Call: (188) [system] integer(rb)
   Fail: (188) [system] integer(rb)
   Call: (188) [system] _1023496=rb
   Exit: (188) [system] rb=rb
^  Exit: (187) [user] classify_and_convert_charseq([r, b], rb)
^  Exit: (186) [user] read_symbolic(')', (0x563acd73bee0), r, rb)
^  Exit: (185) [user] cont_sexpr(')', (0x563acd73bee0), rb)
^  Call: (185) [user] read_list(')', (0x563acd73bee0), _1100906)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _1102764)
   Exit: (187) [system] peek_char((0x563acd73bee0), ')')
   Call: (187) [system] ')'=(;)
   Fail: (187) [system] ')'=(;)
   Call: (187) [system] ')'=(/)
   Fail: (187) [system] ')'=(/)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Fail: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Fail: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Fail: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
   Fail: (188) [system] char_type(')', cntrl)
^  Fail: (187) [user] is_like_space(')')
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1118774)
   Exit: (186) [system] peek_char((0x563acd73bee0), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x563acd73bee0), _1122564)
   Exit: (186) [system] get_char((0x563acd73bee0), ')')
   Call: (186) [system] _1100906=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x563acd73bee0), [])
   Call: (185) [system] _978478=[rb]
   Exit: (185) [system] [rb]=[rb]
^  Exit: (184) [user] read_list(')', (0x563acd73bee0), [rb])
^  Exit: (183) [user] cont_sexpr(')', (0x563acd73bee0), [rb])
^  Call: (183) [user] read_list(')', (0x563acd73bee0), _1130858)
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _1132716)
   Exit: (185) [system] peek_char((0x563acd73bee0), ' ')
   Call: (185) [system] ' '=(;)
   Fail: (185) [system] ' '=(;)
   Call: (185) [system] ' '=(/)
   Fail: (185) [system] ' '=(/)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x563acd73bee0), _1142310)
   Exit: (185) [system] get_char((0x563acd73bee0), ' ')
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1145014)
   Exit: (186) [system] peek_char((0x563acd73bee0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _1161948)
   Exit: (184) [system] peek_char((0x563acd73bee0), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x563acd73bee0), _1167518)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1169376)
   Exit: (186) [system] peek_char((0x563acd73bee0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] get_char((0x563acd73bee0), _1185386)
   Exit: (185) [system] get_char((0x563acd73bee0), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x563acd73bee0), _1167518)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _1190956)
   Exit: (187) [system] peek_char((0x563acd73bee0), :)
   Call: (187) [system] (:)=(;)
   Fail: (187) [system] (:)=(;)
   Call: (187) [system] (:)=(/)
   Fail: (187) [system] (:)=(/)
^  Call: (187) [user] is_like_space(:)
   Call: (188) [system] char_type(:, 'white')
   Fail: (188) [system] char_type(:, 'white')
   Call: (188) [system] char_type(:, end_of_line)
   Fail: (188) [system] char_type(:, end_of_line)
   Call: (188) [system] char_type(:, space)
   Fail: (188) [system] char_type(:, space)
   Call: (188) [system] char_type(:, cntrl)
   Fail: (188) [system] char_type(:, cntrl)
^  Fail: (187) [user] is_like_space(:)
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1206966)
   Exit: (186) [system] peek_char((0x563acd73bee0), :)
   Call: (186) [system] (:)=')'
   Fail: (186) [system] (:)=')'
   Call: (186) [system] (:)=end_of_file
   Fail: (186) [system] (:)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x563acd73bee0), _1212536)
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _1214394)
   Exit: (188) [system] peek_char((0x563acd73bee0), :)
   Call: (188) [system] (:)=(;)
   Fail: (188) [system] (:)=(;)
   Call: (188) [system] (:)=(/)
   Fail: (188) [system] (:)=(/)
^  Call: (188) [user] is_like_space(:)
   Call: (189) [system] char_type(:, 'white')
   Fail: (189) [system] char_type(:, 'white')
   Call: (189) [system] char_type(:, end_of_line)
   Fail: (189) [system] char_type(:, end_of_line)
   Call: (189) [system] char_type(:, space)
   Fail: (189) [system] char_type(:, space)
   Call: (189) [system] char_type(:, cntrl)
   Fail: (189) [system] char_type(:, cntrl)
^  Fail: (188) [user] is_like_space(:)
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] get_char((0x563acd73bee0), _1230404)
   Exit: (187) [system] get_char((0x563acd73bee0), :)
   Call: (187) [system] (:)='('
   Fail: (187) [system] (:)='('
   Call: (187) [system] (:)='['
   Fail: (187) [system] (:)='['
   Call: (187) [system] (:)='{'
   Fail: (187) [system] (:)='{'
   Call: (187) [system] (:)='"'
   Fail: (187) [system] (:)='"'
   Call: (187) [system] (:)=!
   Fail: (187) [system] (:)=!
   Call: (187) [system] (:)='\''
   Fail: (187) [system] (:)='\''
   Call: (187) [system] (:)='`'
   Fail: (187) [system] (:)='`'
   Call: (187) [system] (:)=end_of_file
   Fail: (187) [system] (:)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x563acd73bee0), :, _1212536)
^  Call: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), _1248046)
   Call: (189) [system] peek_char((0x563acd73bee0), _1248980)
   Exit: (189) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (189) [user] is_delimiter(' ')
   Call: (190) [system] char_type(' ', space)
   Exit: (190) [system] char_type(' ', space)
^  Exit: (189) [user] is_delimiter(' ')
   Call: (189) [system] _1248046=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (188) [user] classify_and_convert_charseq([:], _1212536)
^  Call: (189) [user] classify_and_convert_charseq_([:], _1258264)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_1259216, _1259218), once(user:catch(read_from_chars([:], _1258264), _1259198, fail)), '$restore_trace'(_1259216, _1259218))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_1259216, _1259218))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1259198, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(:)
   Exit: (190) [system] atomic(:)
^  Exit: (189) [user] classify_and_convert_charseq_([:], :)
   Call: (189) [system] integer(:)
   Fail: (189) [system] integer(:)
   Call: (189) [system] _1212536=(:)
   Exit: (189) [system] (:)=(:)
^  Exit: (188) [user] classify_and_convert_charseq([:], :)
^  Exit: (187) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (186) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (186) [user] read_list(')', (0x563acd73bee0), _1271344)
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _1273202)
   Exit: (188) [system] peek_char((0x563acd73bee0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x563acd73bee0), _1282796)
   Exit: (188) [system] get_char((0x563acd73bee0), ' ')
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1285500)
   Exit: (189) [system] peek_char((0x563acd73bee0), 'C')
   Call: (189) [system] 'C'=(;)
   Fail: (189) [system] 'C'=(;)
   Call: (189) [system] 'C'=(/)
   Fail: (189) [system] 'C'=(/)
^  Call: (189) [user] is_like_space('C')
   Call: (190) [system] char_type('C', 'white')
   Fail: (190) [system] char_type('C', 'white')
   Call: (190) [system] char_type('C', end_of_line)
   Fail: (190) [system] char_type('C', end_of_line)
   Call: (190) [system] char_type('C', space)
   Fail: (190) [system] char_type('C', space)
   Call: (190) [system] char_type('C', cntrl)
   Fail: (190) [system] char_type('C', cntrl)
^  Fail: (189) [user] is_like_space('C')
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _1302434)
   Exit: (187) [system] peek_char((0x563acd73bee0), 'C')
   Call: (187) [system] 'C'=')'
   Fail: (187) [system] 'C'=')'
   Call: (187) [system] 'C'=end_of_file
   Fail: (187) [system] 'C'=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x563acd73bee0), _1308004)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1309862)
   Exit: (189) [system] peek_char((0x563acd73bee0), 'C')
   Call: (189) [system] 'C'=(;)
   Fail: (189) [system] 'C'=(;)
   Call: (189) [system] 'C'=(/)
   Fail: (189) [system] 'C'=(/)
^  Call: (189) [user] is_like_space('C')
   Call: (190) [system] char_type('C', 'white')
   Fail: (190) [system] char_type('C', 'white')
   Call: (190) [system] char_type('C', end_of_line)
   Fail: (190) [system] char_type('C', end_of_line)
   Call: (190) [system] char_type('C', space)
   Fail: (190) [system] char_type('C', space)
   Call: (190) [system] char_type('C', cntrl)
   Fail: (190) [system] char_type('C', cntrl)
^  Fail: (189) [user] is_like_space('C')
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] get_char((0x563acd73bee0), _1325872)
   Exit: (188) [system] get_char((0x563acd73bee0), 'C')
   Call: (188) [system] 'C'='('
   Fail: (188) [system] 'C'='('
   Call: (188) [system] 'C'='['
   Fail: (188) [system] 'C'='['
   Call: (188) [system] 'C'='{'
   Fail: (188) [system] 'C'='{'
   Call: (188) [system] 'C'='"'
   Fail: (188) [system] 'C'='"'
   Call: (188) [system] 'C'=!
   Fail: (188) [system] 'C'=!
   Call: (188) [system] 'C'='\''
   Fail: (188) [system] 'C'='\''
   Call: (188) [system] 'C'='`'
   Fail: (188) [system] 'C'='`'
   Call: (188) [system] 'C'=end_of_file
   Fail: (188) [system] 'C'=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x563acd73bee0), 'C', _1308004)
^  Call: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), _1343514)
   Call: (190) [system] peek_char((0x563acd73bee0), _1344448)
   Exit: (190) [system] peek_char((0x563acd73bee0), o)
^  Call: (190) [user] is_delimiter(o)
   Call: (191) [system] char_type(o, space)
   Fail: (191) [system] char_type(o, space)
   Call: (191) [system] arg(_1349168, v('(', ')', end_of_file), o)
   Fail: (191) [system] arg(_1350100, v('(', ')', end_of_file), o)
^  Fail: (190) [user] is_delimiter(o)
   Call: (190) [system] ')'==o
   Fail: (190) [system] ')'==o
   Call: (190) [system] get_char((0x563acd73bee0), o)
   Exit: (190) [system] get_char((0x563acd73bee0), o)
   Call: (190) [system] o=(\)
   Fail: (190) [system] o=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), _1357450)
   Call: (191) [system] peek_char((0x563acd73bee0), _1358384)
   Exit: (191) [system] peek_char((0x563acd73bee0), n)
^  Call: (191) [user] is_delimiter(n)
   Call: (192) [system] char_type(n, space)
   Fail: (192) [system] char_type(n, space)
   Call: (192) [system] arg(_1363104, v('(', ')', end_of_file), n)
   Fail: (192) [system] arg(_1364036, v('(', ')', end_of_file), n)
^  Fail: (191) [user] is_delimiter(n)
   Call: (191) [system] ')'==n
   Fail: (191) [system] ')'==n
   Call: (191) [system] get_char((0x563acd73bee0), n)
   Exit: (191) [system] get_char((0x563acd73bee0), n)
   Call: (191) [system] n=(\)
   Fail: (191) [system] n=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), _1371386)
   Call: (192) [system] peek_char((0x563acd73bee0), _1372320)
   Exit: (192) [system] peek_char((0x563acd73bee0), j)
^  Call: (192) [user] is_delimiter(j)
   Call: (193) [system] char_type(j, space)
   Fail: (193) [system] char_type(j, space)
   Call: (193) [system] arg(_1377040, v('(', ')', end_of_file), j)
   Fail: (193) [system] arg(_1377972, v('(', ')', end_of_file), j)
^  Fail: (192) [user] is_delimiter(j)
   Call: (192) [system] ')'==j
   Fail: (192) [system] ')'==j
   Call: (192) [system] get_char((0x563acd73bee0), j)
   Exit: (192) [system] get_char((0x563acd73bee0), j)
   Call: (192) [system] j=(\)
   Fail: (192) [system] j=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), _1385322)
   Call: (193) [system] peek_char((0x563acd73bee0), _1386256)
   Exit: (193) [system] peek_char((0x563acd73bee0), u)
^  Call: (193) [user] is_delimiter(u)
   Call: (194) [system] char_type(u, space)
   Fail: (194) [system] char_type(u, space)
   Call: (194) [system] arg(_1390976, v('(', ')', end_of_file), u)
   Fail: (194) [system] arg(_1391908, v('(', ')', end_of_file), u)
^  Fail: (193) [user] is_delimiter(u)
   Call: (193) [system] ')'==u
   Fail: (193) [system] ')'==u
   Call: (193) [system] get_char((0x563acd73bee0), u)
   Exit: (193) [system] get_char((0x563acd73bee0), u)
   Call: (193) [system] u=(\)
   Fail: (193) [system] u=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _1399258)
   Call: (194) [system] peek_char((0x563acd73bee0), _1400192)
   Exit: (194) [system] peek_char((0x563acd73bee0), n)
^  Call: (194) [user] is_delimiter(n)
   Call: (195) [system] char_type(n, space)
   Fail: (195) [system] char_type(n, space)
   Call: (195) [system] arg(_1404912, v('(', ')', end_of_file), n)
   Fail: (195) [system] arg(_1405844, v('(', ')', end_of_file), n)
^  Fail: (194) [user] is_delimiter(n)
   Call: (194) [system] ')'==n
   Fail: (194) [system] ')'==n
   Call: (194) [system] get_char((0x563acd73bee0), n)
   Exit: (194) [system] get_char((0x563acd73bee0), n)
   Call: (194) [system] n=(\)
   Fail: (194) [system] n=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _1413194)
   Call: (195) [system] peek_char((0x563acd73bee0), _1414128)
   Exit: (195) [system] peek_char((0x563acd73bee0), c)
^  Call: (195) [user] is_delimiter(c)
   Call: (196) [system] char_type(c, space)
   Fail: (196) [system] char_type(c, space)
   Call: (196) [system] arg(_1418848, v('(', ')', end_of_file), c)
   Fail: (196) [system] arg(_1419780, v('(', ')', end_of_file), c)
^  Fail: (195) [user] is_delimiter(c)
   Call: (195) [system] ')'==c
   Fail: (195) [system] ')'==c
   Call: (195) [system] get_char((0x563acd73bee0), c)
   Exit: (195) [system] get_char((0x563acd73bee0), c)
   Call: (195) [system] c=(\)
   Fail: (195) [system] c=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _1427130)
   Call: (196) [system] peek_char((0x563acd73bee0), _1428064)
   Exit: (196) [system] peek_char((0x563acd73bee0), t)
^  Call: (196) [user] is_delimiter(t)
   Call: (197) [system] char_type(t, space)
   Fail: (197) [system] char_type(t, space)
   Call: (197) [system] arg(_1432784, v('(', ')', end_of_file), t)
   Fail: (197) [system] arg(_1433716, v('(', ')', end_of_file), t)
^  Fail: (196) [user] is_delimiter(t)
   Call: (196) [system] ')'==t
   Fail: (196) [system] ')'==t
   Call: (196) [system] get_char((0x563acd73bee0), t)
   Exit: (196) [system] get_char((0x563acd73bee0), t)
   Call: (196) [system] t=(\)
   Fail: (196) [system] t=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _1441066)
   Call: (197) [system] peek_char((0x563acd73bee0), _1442000)
   Exit: (197) [system] peek_char((0x563acd73bee0), i)
^  Call: (197) [user] is_delimiter(i)
   Call: (198) [system] char_type(i, space)
   Fail: (198) [system] char_type(i, space)
   Call: (198) [system] arg(_1446720, v('(', ')', end_of_file), i)
   Fail: (198) [system] arg(_1447652, v('(', ')', end_of_file), i)
^  Fail: (197) [user] is_delimiter(i)
   Call: (197) [system] ')'==i
   Fail: (197) [system] ')'==i
   Call: (197) [system] get_char((0x563acd73bee0), i)
   Exit: (197) [system] get_char((0x563acd73bee0), i)
   Call: (197) [system] i=(\)
   Fail: (197) [system] i=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _1455002)
   Call: (198) [system] peek_char((0x563acd73bee0), _1455936)
   Exit: (198) [system] peek_char((0x563acd73bee0), o)
^  Call: (198) [user] is_delimiter(o)
   Call: (199) [system] char_type(o, space)
   Fail: (199) [system] char_type(o, space)
   Call: (199) [system] arg(_1460656, v('(', ')', end_of_file), o)
   Fail: (199) [system] arg(_1461588, v('(', ')', end_of_file), o)
^  Fail: (198) [user] is_delimiter(o)
   Call: (198) [system] ')'==o
   Fail: (198) [system] ')'==o
   Call: (198) [system] get_char((0x563acd73bee0), o)
   Exit: (198) [system] get_char((0x563acd73bee0), o)
   Call: (198) [system] o=(\)
   Fail: (198) [system] o=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _1468938)
   Call: (199) [system] peek_char((0x563acd73bee0), _1469872)
   Exit: (199) [system] peek_char((0x563acd73bee0), n)
^  Call: (199) [user] is_delimiter(n)
   Call: (200) [system] char_type(n, space)
   Fail: (200) [system] char_type(n, space)
   Call: (200) [system] arg(_1474592, v('(', ')', end_of_file), n)
   Fail: (200) [system] arg(_1475524, v('(', ')', end_of_file), n)
^  Fail: (199) [user] is_delimiter(n)
   Call: (199) [system] ')'==n
   Fail: (199) [system] ')'==n
   Call: (199) [system] get_char((0x563acd73bee0), n)
   Exit: (199) [system] get_char((0x563acd73bee0), n)
   Call: (199) [system] n=(\)
   Fail: (199) [system] n=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _1482874)
   Call: (200) [system] peek_char((0x563acd73bee0), _1483808)
   Exit: (200) [system] peek_char((0x563acd73bee0), 'E')
^  Call: (200) [user] is_delimiter('E')
   Call: (201) [system] char_type('E', space)
   Fail: (201) [system] char_type('E', space)
   Call: (201) [system] arg(_1488528, v('(', ')', end_of_file), 'E')
   Fail: (201) [system] arg(_1489460, v('(', ')', end_of_file), 'E')
^  Fail: (200) [user] is_delimiter('E')
   Call: (200) [system] ')'=='E'
   Fail: (200) [system] ')'=='E'
   Call: (200) [system] get_char((0x563acd73bee0), 'E')
   Exit: (200) [system] get_char((0x563acd73bee0), 'E')
   Call: (200) [system] 'E'=(\)
   Fail: (200) [system] 'E'=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _1496810)
   Call: (201) [system] peek_char((0x563acd73bee0), _1497744)
   Exit: (201) [system] peek_char((0x563acd73bee0), l)
^  Call: (201) [user] is_delimiter(l)
   Call: (202) [system] char_type(l, space)
   Fail: (202) [system] char_type(l, space)
   Call: (202) [system] arg(_1502464, v('(', ')', end_of_file), l)
   Fail: (202) [system] arg(_1503396, v('(', ')', end_of_file), l)
^  Fail: (201) [user] is_delimiter(l)
   Call: (201) [system] ')'==l
   Fail: (201) [system] ')'==l
   Call: (201) [system] get_char((0x563acd73bee0), l)
   Exit: (201) [system] get_char((0x563acd73bee0), l)
   Call: (201) [system] l=(\)
   Fail: (201) [system] l=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _1510746)
   Call: (202) [system] peek_char((0x563acd73bee0), _1511680)
   Exit: (202) [system] peek_char((0x563acd73bee0), i)
^  Call: (202) [user] is_delimiter(i)
   Call: (203) [system] char_type(i, space)
   Fail: (203) [system] char_type(i, space)
   Call: (203) [system] arg(_1516400, v('(', ')', end_of_file), i)
   Fail: (203) [system] arg(_1517332, v('(', ')', end_of_file), i)
^  Fail: (202) [user] is_delimiter(i)
   Call: (202) [system] ')'==i
   Fail: (202) [system] ')'==i
   Call: (202) [system] get_char((0x563acd73bee0), i)
   Exit: (202) [system] get_char((0x563acd73bee0), i)
   Call: (202) [system] i=(\)
   Fail: (202) [system] i=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1524682)
   Call: (203) [system] peek_char((0x563acd73bee0), _1525616)
   Exit: (203) [system] peek_char((0x563acd73bee0), m)
^  Call: (203) [user] is_delimiter(m)
   Call: (204) [system] char_type(m, space)
   Fail: (204) [system] char_type(m, space)
   Call: (204) [system] arg(_1530336, v('(', ')', end_of_file), m)
   Fail: (204) [system] arg(_1531268, v('(', ')', end_of_file), m)
^  Fail: (203) [user] is_delimiter(m)
   Call: (203) [system] ')'==m
   Fail: (203) [system] ')'==m
   Call: (203) [system] get_char((0x563acd73bee0), m)
   Exit: (203) [system] get_char((0x563acd73bee0), m)
   Call: (203) [system] m=(\)
   Fail: (203) [system] m=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1538618)
   Call: (204) [system] peek_char((0x563acd73bee0), _1539552)
   Exit: (204) [system] peek_char((0x563acd73bee0), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Fail: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_1544272, v('(', ')', end_of_file), i)
   Fail: (205) [system] arg(_1545204, v('(', ')', end_of_file), i)
^  Fail: (204) [user] is_delimiter(i)
   Call: (204) [system] ')'==i
   Fail: (204) [system] ')'==i
   Call: (204) [system] get_char((0x563acd73bee0), i)
   Exit: (204) [system] get_char((0x563acd73bee0), i)
   Call: (204) [system] i=(\)
   Fail: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1552554)
   Call: (205) [system] peek_char((0x563acd73bee0), _1553488)
   Exit: (205) [system] peek_char((0x563acd73bee0), n)
^  Call: (205) [user] is_delimiter(n)
   Call: (206) [system] char_type(n, space)
   Fail: (206) [system] char_type(n, space)
   Call: (206) [system] arg(_1558208, v('(', ')', end_of_file), n)
   Fail: (206) [system] arg(_1559140, v('(', ')', end_of_file), n)
^  Fail: (205) [user] is_delimiter(n)
   Call: (205) [system] ')'==n
   Fail: (205) [system] ')'==n
   Call: (205) [system] get_char((0x563acd73bee0), n)
   Exit: (205) [system] get_char((0x563acd73bee0), n)
   Call: (205) [system] n=(\)
   Fail: (205) [system] n=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1566490)
   Call: (206) [system] peek_char((0x563acd73bee0), _1567424)
   Exit: (206) [system] peek_char((0x563acd73bee0), a)
^  Call: (206) [user] is_delimiter(a)
   Call: (207) [system] char_type(a, space)
   Fail: (207) [system] char_type(a, space)
   Call: (207) [system] arg(_1572144, v('(', ')', end_of_file), a)
   Fail: (207) [system] arg(_1573076, v('(', ')', end_of_file), a)
^  Fail: (206) [user] is_delimiter(a)
   Call: (206) [system] ')'==a
   Fail: (206) [system] ')'==a
   Call: (206) [system] get_char((0x563acd73bee0), a)
   Exit: (206) [system] get_char((0x563acd73bee0), a)
   Call: (206) [system] a=(\)
   Fail: (206) [system] a=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1580426)
   Call: (207) [system] peek_char((0x563acd73bee0), _1581360)
   Exit: (207) [system] peek_char((0x563acd73bee0), t)
^  Call: (207) [user] is_delimiter(t)
   Call: (208) [system] char_type(t, space)
   Fail: (208) [system] char_type(t, space)
   Call: (208) [system] arg(_1586080, v('(', ')', end_of_file), t)
   Fail: (208) [system] arg(_1587012, v('(', ')', end_of_file), t)
^  Fail: (207) [user] is_delimiter(t)
   Call: (207) [system] ')'==t
   Fail: (207) [system] ')'==t
   Call: (207) [system] get_char((0x563acd73bee0), t)
   Exit: (207) [system] get_char((0x563acd73bee0), t)
   Call: (207) [system] t=(\)
   Fail: (207) [system] t=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1594362)
   Call: (208) [system] peek_char((0x563acd73bee0), _1595296)
   Exit: (208) [system] peek_char((0x563acd73bee0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_1600016, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_1600948, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x563acd73bee0), i)
   Exit: (208) [system] get_char((0x563acd73bee0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1608298)
   Call: (209) [system] peek_char((0x563acd73bee0), _1609232)
   Exit: (209) [system] peek_char((0x563acd73bee0), o)
^  Call: (209) [user] is_delimiter(o)
   Call: (210) [system] char_type(o, space)
   Fail: (210) [system] char_type(o, space)
   Call: (210) [system] arg(_1613952, v('(', ')', end_of_file), o)
   Fail: (210) [system] arg(_1614884, v('(', ')', end_of_file), o)
^  Fail: (209) [user] is_delimiter(o)
   Call: (209) [system] ')'==o
   Fail: (209) [system] ')'==o
   Call: (209) [system] get_char((0x563acd73bee0), o)
   Exit: (209) [system] get_char((0x563acd73bee0), o)
   Call: (209) [system] o=(\)
   Fail: (209) [system] o=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1622234)
   Call: (210) [system] peek_char((0x563acd73bee0), _1623168)
   Exit: (210) [system] peek_char((0x563acd73bee0), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Fail: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_1627888, v('(', ')', end_of_file), n)
   Fail: (211) [system] arg(_1628820, v('(', ')', end_of_file), n)
^  Fail: (210) [user] is_delimiter(n)
   Call: (210) [system] ')'==n
   Fail: (210) [system] ')'==n
   Call: (210) [system] get_char((0x563acd73bee0), n)
   Exit: (210) [system] get_char((0x563acd73bee0), n)
   Call: (210) [system] n=(\)
   Fail: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1636170)
   Call: (211) [system] peek_char((0x563acd73bee0), _1637104)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'R')
^  Call: (211) [user] is_delimiter('R')
   Call: (212) [system] char_type('R', space)
   Fail: (212) [system] char_type('R', space)
   Call: (212) [system] arg(_1641824, v('(', ')', end_of_file), 'R')
   Fail: (212) [system] arg(_1642756, v('(', ')', end_of_file), 'R')
^  Fail: (211) [user] is_delimiter('R')
   Call: (211) [system] ')'=='R'
   Fail: (211) [system] ')'=='R'
   Call: (211) [system] get_char((0x563acd73bee0), 'R')
   Exit: (211) [system] get_char((0x563acd73bee0), 'R')
   Call: (211) [system] 'R'=(\)
   Fail: (211) [system] 'R'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1650106)
   Call: (212) [system] peek_char((0x563acd73bee0), _1651040)
   Exit: (212) [system] peek_char((0x563acd73bee0), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_1655760, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_1656692, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x563acd73bee0), i)
   Exit: (212) [system] get_char((0x563acd73bee0), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _1664042)
   Call: (213) [system] peek_char((0x563acd73bee0), _1664976)
   Exit: (213) [system] peek_char((0x563acd73bee0), g)
^  Call: (213) [user] is_delimiter(g)
   Call: (214) [system] char_type(g, space)
   Fail: (214) [system] char_type(g, space)
   Call: (214) [system] arg(_1669696, v('(', ')', end_of_file), g)
   Fail: (214) [system] arg(_1670628, v('(', ')', end_of_file), g)
^  Fail: (213) [user] is_delimiter(g)
   Call: (213) [system] ')'==g
   Fail: (213) [system] ')'==g
   Call: (213) [system] get_char((0x563acd73bee0), g)
   Exit: (213) [system] get_char((0x563acd73bee0), g)
   Call: (213) [system] g=(\)
   Fail: (213) [system] g=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _1677978)
   Call: (214) [system] peek_char((0x563acd73bee0), _1678912)
   Exit: (214) [system] peek_char((0x563acd73bee0), h)
^  Call: (214) [user] is_delimiter(h)
   Call: (215) [system] char_type(h, space)
   Fail: (215) [system] char_type(h, space)
   Call: (215) [system] arg(_1683632, v('(', ')', end_of_file), h)
   Fail: (215) [system] arg(_1684564, v('(', ')', end_of_file), h)
^  Fail: (214) [user] is_delimiter(h)
   Call: (214) [system] ')'==h
   Fail: (214) [system] ')'==h
   Call: (214) [system] get_char((0x563acd73bee0), h)
   Exit: (214) [system] get_char((0x563acd73bee0), h)
   Call: (214) [system] h=(\)
   Fail: (214) [system] h=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _1691914)
   Call: (215) [system] peek_char((0x563acd73bee0), _1692848)
   Exit: (215) [system] peek_char((0x563acd73bee0), t)
^  Call: (215) [user] is_delimiter(t)
   Call: (216) [system] char_type(t, space)
   Fail: (216) [system] char_type(t, space)
   Call: (216) [system] arg(_1697568, v('(', ')', end_of_file), t)
   Fail: (216) [system] arg(_1698500, v('(', ')', end_of_file), t)
^  Fail: (215) [user] is_delimiter(t)
   Call: (215) [system] ')'==t
   Fail: (215) [system] ')'==t
   Call: (215) [system] get_char((0x563acd73bee0), t)
   Exit: (215) [system] get_char((0x563acd73bee0), t)
   Call: (215) [system] t=(\)
   Fail: (215) [system] t=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _1705850)
   Call: (216) [system] peek_char((0x563acd73bee0), _1706784)
   Exit: (216) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _1705850=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (215) [system] _1691914=[t]
   Exit: (215) [system] [t]=[t]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [t])
   Call: (214) [system] _1677978=[h, t]
   Exit: (214) [system] [h, t]=[h, t]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [h, t])
   Call: (213) [system] _1664042=[g, h, t]
   Exit: (213) [system] [g, h, t]=[g, h, t]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [g, h, t])
   Call: (212) [system] _1650106=[i, g, h, t]
   Exit: (212) [system] [i, g, h, t]=[i, g, h, t]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, g, h, t])
   Call: (211) [system] _1636170=['R', i, g, h, t]
   Exit: (211) [system] ['R', i, g, h, t]=['R', i, g, h, t]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), ['R', i, g, h, t])
   Call: (210) [system] _1622234=[n, 'R', i, g, h, t]
   Exit: (210) [system] [n, 'R', i, g, h, t]=[n, 'R', i, g, h, t]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'R', i, g, h, t])
   Call: (209) [system] _1608298=[o, n, 'R', i, g, h, t]
   Exit: (209) [system] [o, n, 'R', i, g, h, t]=[o, n, 'R', i, g, h, t]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'R', i, g, h, t])
   Call: (208) [system] _1594362=[i, o, n, 'R', i, g, h, t]
   Exit: (208) [system] [i, o, n, 'R', i, g, h, t]=[i, o, n, 'R', i, g, h, t]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'R', i, g, h, t])
   Call: (207) [system] _1580426=[t, i, o, n, 'R', i, g, h, t]
   Exit: (207) [system] [t, i, o, n, 'R', i, g, h, t]=[t, i, o, n, 'R', i, g, h, t]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'R', i, g, h, t])
   Call: (206) [system] _1566490=[a, t, i, o, n, 'R', i, g, h, t]
   Exit: (206) [system] [a, t, i, o, n, 'R', i, g, h, t]=[a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n, 'R', i, g, h, t])
   Call: (205) [system] _1552554=[n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (205) [system] [n, a, t, i, o, n, 'R', i, g, h, t]=[n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (204) [system] _1538618=[i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (204) [system] [i, n, a, t, i, o, n, 'R', i, g, h, t]=[i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (203) [system] _1524682=[m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (203) [system] [m, i, n, a, t, i, o, n, 'R', i, g, h, t]=[m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (202) [system] _1510746=[i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (202) [system] [i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]=[i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (201) [system] _1496810=[l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (201) [system] [l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]=[l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (200) [system] _1482874=['E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (200) [system] ['E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]=['E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), ['E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (199) [system] _1468938=[n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (199) [system] [n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]=[n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (198) [system] _1455002=[o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (198) [system] [o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]=[o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (197) [system] _1441066=[i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (197) [system] [i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]=[i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (196) [system] _1427130=[t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (196) [system] [t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]=[t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (195) [system] _1413194=[c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (195) [system] [c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]=[c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (194) [system] _1399258=[n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (194) [system] [n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]=[n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (193) [system] _1385322=[u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (193) [system] [u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]=[u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (192) [system] _1371386=[j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (192) [system] [j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]=[j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (191) [system] _1357450=[n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (191) [system] [n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]=[n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (190) [system] _1343514=[o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (190) [system] [o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]=[o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
^  Call: (189) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t], _1308004)
^  Call: (190) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t], _1788712)
^  Call: (192) [system] setup_call_cleanup('$notrace'(_1789664, _1789666), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t], _1788712), _1789646, fail)), '$restore_trace'(_1789664, _1789666))
^  Call: (193) [system] sig_atomic(system:'$notrace'(_1789664, _1789666))
^  Exit: (192) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t], _1788712), _1789646, fail)), system:'$restore_trace'(3, -1))
   Call: (191) [system] atomic(_1788712)
   Fail: (191) [system] atomic(_1788712)
   Call: (191) [system] atom_chars(_1788712, ['C', o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Exit: (191) [system] atom_chars('ConjunctionEliminationRight', ['C', o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
^  Exit: (190) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t], 'ConjunctionEliminationRight')
   Call: (190) [system] integer('ConjunctionEliminationRight')
   Fail: (190) [system] integer('ConjunctionEliminationRight')
   Call: (190) [system] _1308004='ConjunctionEliminationRight'
   Exit: (190) [system] 'ConjunctionEliminationRight'='ConjunctionEliminationRight'
^  Exit: (189) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t], 'ConjunctionEliminationRight')
^  Exit: (188) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'ConjunctionEliminationRight')
^  Exit: (187) [user] cont_sexpr(')', (0x563acd73bee0), 'ConjunctionEliminationRight')
^  Call: (187) [user] read_list(')', (0x563acd73bee0), _1803662)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1805520)
   Exit: (189) [system] peek_char((0x563acd73bee0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x563acd73bee0), _1815114)
   Exit: (189) [system] get_char((0x563acd73bee0), ' ')
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1817818)
   Exit: (190) [system] peek_char((0x563acd73bee0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _1834752)
   Exit: (188) [system] peek_char((0x563acd73bee0), '(')
   Call: (188) [system] '('=')'
   Fail: (188) [system] '('=')'
   Call: (188) [system] '('=end_of_file
   Fail: (188) [system] '('=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x563acd73bee0), _1840322)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1842180)
   Exit: (190) [system] peek_char((0x563acd73bee0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] get_char((0x563acd73bee0), _1858190)
   Exit: (189) [system] get_char((0x563acd73bee0), '(')
   Call: (189) [system] '('='('
   Exit: (189) [system] '('='('
^  Call: (189) [user] read_list(')', (0x563acd73bee0), _1840322)
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _1863760)
   Exit: (191) [system] peek_char((0x563acd73bee0), -)
   Call: (191) [system] (-)=(;)
   Fail: (191) [system] (-)=(;)
   Call: (191) [system] (-)=(/)
   Fail: (191) [system] (-)=(/)
^  Call: (191) [user] is_like_space(-)
   Call: (192) [system] char_type(-, 'white')
   Fail: (192) [system] char_type(-, 'white')
   Call: (192) [system] char_type(-, end_of_line)
   Fail: (192) [system] char_type(-, end_of_line)
   Call: (192) [system] char_type(-, space)
   Fail: (192) [system] char_type(-, space)
   Call: (192) [system] char_type(-, cntrl)
   Fail: (192) [system] char_type(-, cntrl)
^  Fail: (191) [user] is_like_space(-)
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1879770)
   Exit: (190) [system] peek_char((0x563acd73bee0), -)
   Call: (190) [system] (-)=')'
   Fail: (190) [system] (-)=')'
   Call: (190) [system] (-)=end_of_file
   Fail: (190) [system] (-)=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x563acd73bee0), _1885340)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1887198)
   Exit: (192) [system] peek_char((0x563acd73bee0), -)
   Call: (192) [system] (-)=(;)
   Fail: (192) [system] (-)=(;)
   Call: (192) [system] (-)=(/)
   Fail: (192) [system] (-)=(/)
^  Call: (192) [user] is_like_space(-)
   Call: (193) [system] char_type(-, 'white')
   Fail: (193) [system] char_type(-, 'white')
   Call: (193) [system] char_type(-, end_of_line)
   Fail: (193) [system] char_type(-, end_of_line)
   Call: (193) [system] char_type(-, space)
   Fail: (193) [system] char_type(-, space)
   Call: (193) [system] char_type(-, cntrl)
   Fail: (193) [system] char_type(-, cntrl)
^  Fail: (192) [user] is_like_space(-)
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] get_char((0x563acd73bee0), _1903208)
   Exit: (191) [system] get_char((0x563acd73bee0), -)
   Call: (191) [system] (-)='('
   Fail: (191) [system] (-)='('
   Call: (191) [system] (-)='['
   Fail: (191) [system] (-)='['
   Call: (191) [system] (-)='{'
   Fail: (191) [system] (-)='{'
   Call: (191) [system] (-)='"'
   Fail: (191) [system] (-)='"'
   Call: (191) [system] (-)=!
   Fail: (191) [system] (-)=!
   Call: (191) [system] (-)='\''
   Fail: (191) [system] (-)='\''
   Call: (191) [system] (-)='`'
   Fail: (191) [system] (-)='`'
   Call: (191) [system] (-)=end_of_file
   Fail: (191) [system] (-)=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x563acd73bee0), -, _1885340)
^  Call: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), _1920850)
   Call: (193) [system] peek_char((0x563acd73bee0), _1921784)
   Exit: (193) [system] peek_char((0x563acd73bee0), >)
^  Call: (193) [user] is_delimiter(>)
   Call: (194) [system] char_type(>, space)
   Fail: (194) [system] char_type(>, space)
   Call: (194) [system] arg(_1926504, v('(', ')', end_of_file), >)
   Fail: (194) [system] arg(_1927436, v('(', ')', end_of_file), >)
^  Fail: (193) [user] is_delimiter(>)
   Call: (193) [system] ')'==(>)
   Fail: (193) [system] ')'==(>)
   Call: (193) [system] get_char((0x563acd73bee0), >)
   Exit: (193) [system] get_char((0x563acd73bee0), >)
   Call: (193) [system] (>)=(\)
   Fail: (193) [system] (>)=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _1934786)
   Call: (194) [system] peek_char((0x563acd73bee0), _1935720)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _1934786=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (193) [system] _1920850=[>]
   Exit: (193) [system] [>]=[>]
^  Exit: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), [>])
^  Call: (192) [user] classify_and_convert_charseq([-, >], _1885340)
^  Call: (193) [user] classify_and_convert_charseq_([-, >], _1947798)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_1948750, _1948752), once(user:catch(read_from_chars([-, >], _1947798), _1948732, fail)), '$restore_trace'(_1948750, _1948752))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_1948750, _1948752))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _1948732, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(->)
   Exit: (194) [system] atomic(->)
^  Exit: (193) [user] classify_and_convert_charseq_([-, >], ->)
   Call: (193) [system] integer(->)
   Fail: (193) [system] integer(->)
   Call: (193) [system] _1885340=(->)
   Exit: (193) [system] (->)=(->)
^  Exit: (192) [user] classify_and_convert_charseq([-, >], ->)
^  Exit: (191) [user] read_symbolic(')', (0x563acd73bee0), -, ->)
^  Exit: (190) [user] cont_sexpr(')', (0x563acd73bee0), ->)
^  Call: (190) [user] read_list(')', (0x563acd73bee0), _1960878)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1962736)
   Exit: (192) [system] peek_char((0x563acd73bee0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x563acd73bee0), _1972330)
   Exit: (192) [system] get_char((0x563acd73bee0), ' ')
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1975034)
   Exit: (193) [system] peek_char((0x563acd73bee0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _1991968)
   Exit: (191) [system] peek_char((0x563acd73bee0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x563acd73bee0), _1997538)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1999396)
   Exit: (193) [system] peek_char((0x563acd73bee0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] get_char((0x563acd73bee0), _2015406)
   Exit: (192) [system] get_char((0x563acd73bee0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _1997538)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _2020976)
   Exit: (194) [system] peek_char((0x563acd73bee0), 'A')
   Call: (194) [system] 'A'=(;)
   Fail: (194) [system] 'A'=(;)
   Call: (194) [system] 'A'=(/)
   Fail: (194) [system] 'A'=(/)
^  Call: (194) [user] is_like_space('A')
   Call: (195) [system] char_type('A', 'white')
   Fail: (195) [system] char_type('A', 'white')
   Call: (195) [system] char_type('A', end_of_line)
   Fail: (195) [system] char_type('A', end_of_line)
   Call: (195) [system] char_type('A', space)
   Fail: (195) [system] char_type('A', space)
   Call: (195) [system] char_type('A', cntrl)
   Fail: (195) [system] char_type('A', cntrl)
^  Fail: (194) [user] is_like_space('A')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _2036986)
   Exit: (193) [system] peek_char((0x563acd73bee0), 'A')
   Call: (193) [system] 'A'=')'
   Fail: (193) [system] 'A'=')'
   Call: (193) [system] 'A'=end_of_file
   Fail: (193) [system] 'A'=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x563acd73bee0), _2042556)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _2044414)
   Exit: (195) [system] peek_char((0x563acd73bee0), 'A')
   Call: (195) [system] 'A'=(;)
   Fail: (195) [system] 'A'=(;)
   Call: (195) [system] 'A'=(/)
   Fail: (195) [system] 'A'=(/)
^  Call: (195) [user] is_like_space('A')
   Call: (196) [system] char_type('A', 'white')
   Fail: (196) [system] char_type('A', 'white')
   Call: (196) [system] char_type('A', end_of_line)
   Fail: (196) [system] char_type('A', end_of_line)
   Call: (196) [system] char_type('A', space)
   Fail: (196) [system] char_type('A', space)
   Call: (196) [system] char_type('A', cntrl)
   Fail: (196) [system] char_type('A', cntrl)
^  Fail: (195) [user] is_like_space('A')
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] get_char((0x563acd73bee0), _2060424)
   Exit: (194) [system] get_char((0x563acd73bee0), 'A')
   Call: (194) [system] 'A'='('
   Fail: (194) [system] 'A'='('
   Call: (194) [system] 'A'='['
   Fail: (194) [system] 'A'='['
   Call: (194) [system] 'A'='{'
   Fail: (194) [system] 'A'='{'
   Call: (194) [system] 'A'='"'
   Fail: (194) [system] 'A'='"'
   Call: (194) [system] 'A'=!
   Fail: (194) [system] 'A'=!
   Call: (194) [system] 'A'='\''
   Fail: (194) [system] 'A'='\''
   Call: (194) [system] 'A'='`'
   Fail: (194) [system] 'A'='`'
   Call: (194) [system] 'A'=end_of_file
   Fail: (194) [system] 'A'=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x563acd73bee0), 'A', _2042556)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _2078066)
   Call: (196) [system] peek_char((0x563acd73bee0), _2079000)
   Exit: (196) [system] peek_char((0x563acd73bee0), n)
^  Call: (196) [user] is_delimiter(n)
   Call: (197) [system] char_type(n, space)
   Fail: (197) [system] char_type(n, space)
   Call: (197) [system] arg(_2083720, v('(', ')', end_of_file), n)
   Fail: (197) [system] arg(_2084652, v('(', ')', end_of_file), n)
^  Fail: (196) [user] is_delimiter(n)
   Call: (196) [system] ')'==n
   Fail: (196) [system] ')'==n
   Call: (196) [system] get_char((0x563acd73bee0), n)
   Exit: (196) [system] get_char((0x563acd73bee0), n)
   Call: (196) [system] n=(\)
   Fail: (196) [system] n=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _2092002)
   Call: (197) [system] peek_char((0x563acd73bee0), _2092936)
   Exit: (197) [system] peek_char((0x563acd73bee0), d)
^  Call: (197) [user] is_delimiter(d)
   Call: (198) [system] char_type(d, space)
   Fail: (198) [system] char_type(d, space)
   Call: (198) [system] arg(_4256, v('(', ')', end_of_file), d)
   Fail: (198) [system] arg(_5188, v('(', ')', end_of_file), d)
^  Fail: (197) [user] is_delimiter(d)
   Call: (197) [system] ')'==d
   Fail: (197) [system] ')'==d
   Call: (197) [system] get_char((0x563acd73bee0), d)
   Exit: (197) [system] get_char((0x563acd73bee0), d)
   Call: (197) [system] d=(\)
   Fail: (197) [system] d=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _12538)
   Call: (198) [system] peek_char((0x563acd73bee0), _13472)
   Exit: (198) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (198) [user] is_delimiter('L')
   Call: (199) [system] char_type('L', space)
   Fail: (199) [system] char_type('L', space)
   Call: (199) [system] arg(_18192, v('(', ')', end_of_file), 'L')
   Fail: (199) [system] arg(_19124, v('(', ')', end_of_file), 'L')
^  Fail: (198) [user] is_delimiter('L')
   Call: (198) [system] ')'=='L'
   Fail: (198) [system] ')'=='L'
   Call: (198) [system] get_char((0x563acd73bee0), 'L')
   Exit: (198) [system] get_char((0x563acd73bee0), 'L')
   Call: (198) [system] 'L'=(\)
   Fail: (198) [system] 'L'=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _26474)
   Call: (199) [system] peek_char((0x563acd73bee0), _27408)
   Exit: (199) [system] peek_char((0x563acd73bee0), i)
^  Call: (199) [user] is_delimiter(i)
   Call: (200) [system] char_type(i, space)
   Fail: (200) [system] char_type(i, space)
   Call: (200) [system] arg(_32128, v('(', ')', end_of_file), i)
   Fail: (200) [system] arg(_33060, v('(', ')', end_of_file), i)
^  Fail: (199) [user] is_delimiter(i)
   Call: (199) [system] ')'==i
   Fail: (199) [system] ')'==i
   Call: (199) [system] get_char((0x563acd73bee0), i)
   Exit: (199) [system] get_char((0x563acd73bee0), i)
   Call: (199) [system] i=(\)
   Fail: (199) [system] i=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _40410)
   Call: (200) [system] peek_char((0x563acd73bee0), _41344)
   Exit: (200) [system] peek_char((0x563acd73bee0), n)
^  Call: (200) [user] is_delimiter(n)
   Call: (201) [system] char_type(n, space)
   Fail: (201) [system] char_type(n, space)
   Call: (201) [system] arg(_46064, v('(', ')', end_of_file), n)
   Fail: (201) [system] arg(_46996, v('(', ')', end_of_file), n)
^  Fail: (200) [user] is_delimiter(n)
   Call: (200) [system] ')'==n
   Fail: (200) [system] ')'==n
   Call: (200) [system] get_char((0x563acd73bee0), n)
   Exit: (200) [system] get_char((0x563acd73bee0), n)
   Call: (200) [system] n=(\)
   Fail: (200) [system] n=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _54346)
   Call: (201) [system] peek_char((0x563acd73bee0), _55280)
   Exit: (201) [system] peek_char((0x563acd73bee0), k)
^  Call: (201) [user] is_delimiter(k)
   Call: (202) [system] char_type(k, space)
   Fail: (202) [system] char_type(k, space)
   Call: (202) [system] arg(_60000, v('(', ')', end_of_file), k)
   Fail: (202) [system] arg(_60932, v('(', ')', end_of_file), k)
^  Fail: (201) [user] is_delimiter(k)
   Call: (201) [system] ')'==k
   Fail: (201) [system] ')'==k
   Call: (201) [system] get_char((0x563acd73bee0), k)
   Exit: (201) [system] get_char((0x563acd73bee0), k)
   Call: (201) [system] k=(\)
   Fail: (201) [system] k=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _68282)
   Call: (202) [system] peek_char((0x563acd73bee0), _69216)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _68282=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (201) [system] _54346=[k]
   Exit: (201) [system] [k]=[k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (200) [system] _40410=[n, k]
   Exit: (200) [system] [n, k]=[n, k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (199) [system] _26474=[i, n, k]
   Exit: (199) [system] [i, n, k]=[i, n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (198) [system] _12538=['L', i, n, k]
   Exit: (198) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (197) [system] _3422=[d, 'L', i, n, k]
   Exit: (197) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, 'L', i, n, k])
   Call: (196) [system] _3418=[n, d, 'L', i, n, k]
   Exit: (196) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, d, 'L', i, n, k])
^  Call: (195) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _3414)
^  Call: (196) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _95264)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_96216, _96218), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _95264), _96198, fail)), '$restore_trace'(_96216, _96218))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_96216, _96218))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _95264), _96198, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(_95264)
   Fail: (197) [system] atomic(_95264)
   Call: (197) [system] atom_chars(_95264, ['A', n, d, 'L', i, n, k])
   Exit: (197) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (196) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (196) [system] integer('AndLink')
   Fail: (196) [system] integer('AndLink')
   Call: (196) [system] _3414='AndLink'
   Exit: (196) [system] 'AndLink'='AndLink'
^  Exit: (195) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (194) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'AndLink')
^  Exit: (193) [user] cont_sexpr(')', (0x563acd73bee0), 'AndLink')
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _110214)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _112072)
   Exit: (195) [system] peek_char((0x563acd73bee0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x563acd73bee0), _121666)
   Exit: (195) [system] get_char((0x563acd73bee0), ' ')
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _124370)
   Exit: (196) [system] peek_char((0x563acd73bee0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _141304)
   Exit: (194) [system] peek_char((0x563acd73bee0), $)
   Call: (194) [system] ($)=')'
   Fail: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x563acd73bee0), _146874)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _148732)
   Exit: (196) [system] peek_char((0x563acd73bee0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
   Call: (196) [system] ($)=(/)
   Fail: (196) [system] ($)=(/)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] get_char((0x563acd73bee0), _164742)
   Exit: (195) [system] get_char((0x563acd73bee0), $)
   Call: (195) [system] ($)='('
   Fail: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Fail: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Fail: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Fail: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Fail: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Fail: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Fail: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x563acd73bee0), $, _146874)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _182384)
   Call: (197) [system] peek_char((0x563acd73bee0), _183318)
   Exit: (197) [system] peek_char((0x563acd73bee0), p)
^  Call: (197) [user] is_delimiter(p)
   Call: (198) [system] char_type(p, space)
   Fail: (198) [system] char_type(p, space)
   Call: (198) [system] arg(_188038, v('(', ')', end_of_file), p)
   Fail: (198) [system] arg(_188970, v('(', ')', end_of_file), p)
^  Fail: (197) [user] is_delimiter(p)
   Call: (197) [system] ')'==p
   Fail: (197) [system] ')'==p
   Call: (197) [system] get_char((0x563acd73bee0), p)
   Exit: (197) [system] get_char((0x563acd73bee0), p)
   Call: (197) [system] p=(\)
   Fail: (197) [system] p=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _196320)
   Call: (198) [system] peek_char((0x563acd73bee0), _197254)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _196320=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (197) [system] _182384=[p]
   Exit: (197) [system] [p]=[p]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [p])
^  Call: (196) [user] classify_and_convert_charseq([$, p], _146874)
^  Call: (197) [user] classify_and_convert_charseq_([$, p], _209332)
   Call: (198) [system] atom_chars(_210264, ['_', p])
   Exit: (198) [system] atom_chars('_p', ['_', p])
^  Exit: (197) [user] classify_and_convert_charseq_([$, p], _p)
   Call: (197) [system] integer(_p)
   Fail: (197) [system] integer(_p)
   Call: (197) [system] _146874=_p
   Exit: (197) [system] _p=_p
^  Exit: (196) [user] classify_and_convert_charseq([$, p], _p)
^  Exit: (195) [user] read_symbolic(')', (0x563acd73bee0), $, _p)
^  Exit: (194) [user] cont_sexpr(')', (0x563acd73bee0), _p)
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _219556)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _221414)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x563acd73bee0), _231008)
   Exit: (196) [system] get_char((0x563acd73bee0), ' ')
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _233712)
   Exit: (197) [system] peek_char((0x563acd73bee0), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
   Call: (197) [system] ($)=(/)
   Fail: (197) [system] ($)=(/)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _250646)
   Exit: (195) [system] peek_char((0x563acd73bee0), $)
   Call: (195) [system] ($)=')'
   Fail: (195) [system] ($)=')'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x563acd73bee0), _256216)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _258074)
   Exit: (197) [system] peek_char((0x563acd73bee0), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
   Call: (197) [system] ($)=(/)
   Fail: (197) [system] ($)=(/)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] get_char((0x563acd73bee0), _274084)
   Exit: (196) [system] get_char((0x563acd73bee0), $)
   Call: (196) [system] ($)='('
   Fail: (196) [system] ($)='('
   Call: (196) [system] ($)='['
   Fail: (196) [system] ($)='['
   Call: (196) [system] ($)='{'
   Fail: (196) [system] ($)='{'
   Call: (196) [system] ($)='"'
   Fail: (196) [system] ($)='"'
   Call: (196) [system] ($)=!
   Fail: (196) [system] ($)=!
   Call: (196) [system] ($)='\''
   Fail: (196) [system] ($)='\''
   Call: (196) [system] ($)='`'
   Fail: (196) [system] ($)='`'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x563acd73bee0), $, _256216)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _291726)
   Call: (198) [system] peek_char((0x563acd73bee0), _292660)
   Exit: (198) [system] peek_char((0x563acd73bee0), q)
^  Call: (198) [user] is_delimiter(q)
   Call: (199) [system] char_type(q, space)
   Fail: (199) [system] char_type(q, space)
   Call: (199) [system] arg(_297380, v('(', ')', end_of_file), q)
   Fail: (199) [system] arg(_298312, v('(', ')', end_of_file), q)
^  Fail: (198) [user] is_delimiter(q)
   Call: (198) [system] ')'==q
   Fail: (198) [system] ')'==q
   Call: (198) [system] get_char((0x563acd73bee0), q)
   Exit: (198) [system] get_char((0x563acd73bee0), q)
   Call: (198) [system] q=(\)
   Fail: (198) [system] q=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _305662)
   Call: (199) [system] peek_char((0x563acd73bee0), _306596)
   Exit: (199) [system] peek_char((0x563acd73bee0), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_311316, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _305662=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (198) [system] _291726=[q]
   Exit: (198) [system] [q]=[q]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [q])
^  Call: (197) [user] classify_and_convert_charseq([$, q], _256216)
^  Call: (198) [user] classify_and_convert_charseq_([$, q], _320546)
   Call: (199) [system] atom_chars(_321478, ['_', q])
   Exit: (199) [system] atom_chars('_q', ['_', q])
^  Exit: (198) [user] classify_and_convert_charseq_([$, q], _q)
   Call: (198) [system] integer(_q)
   Fail: (198) [system] integer(_q)
   Call: (198) [system] _256216=_q
   Exit: (198) [system] _q=_q
^  Exit: (197) [user] classify_and_convert_charseq([$, q], _q)
^  Exit: (196) [user] read_symbolic(')', (0x563acd73bee0), $, _q)
^  Exit: (195) [user] cont_sexpr(')', (0x563acd73bee0), _q)
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _330770)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _332628)
   Exit: (197) [system] peek_char((0x563acd73bee0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _348638)
   Exit: (196) [system] peek_char((0x563acd73bee0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x563acd73bee0), _352428)
   Exit: (196) [system] get_char((0x563acd73bee0), ')')
   Call: (196) [system] _330770=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), [])
   Call: (195) [system] _219556=[_q]
   Exit: (195) [system] [_q]=[_q]
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), [_q])
   Call: (194) [system] _110214=[_p, _q]
   Exit: (194) [system] [_p, _q]=[_p, _q]
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), [_p, _q])
   Call: (193) [system] _3408=['AndLink', _p, _q]
   Exit: (193) [system] ['AndLink', _p, _q]=['AndLink', _p, _q]
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), ['AndLink', _p, _q])
^  Exit: (191) [user] cont_sexpr(')', (0x563acd73bee0), ['AndLink', _p, _q])
^  Call: (191) [user] read_list(')', (0x563acd73bee0), _366310)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _368168)
   Exit: (193) [system] peek_char((0x563acd73bee0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x563acd73bee0), _377762)
   Exit: (193) [system] get_char((0x563acd73bee0), ' ')
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _380466)
   Exit: (194) [system] peek_char((0x563acd73bee0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _397400)
   Exit: (192) [system] peek_char((0x563acd73bee0), $)
   Call: (192) [system] ($)=')'
   Fail: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x563acd73bee0), _402970)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _404828)
   Exit: (194) [system] peek_char((0x563acd73bee0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] get_char((0x563acd73bee0), _420838)
   Exit: (193) [system] get_char((0x563acd73bee0), $)
   Call: (193) [system] ($)='('
   Fail: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Fail: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Fail: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Fail: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Fail: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Fail: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Fail: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x563acd73bee0), $, _402970)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _438480)
   Call: (195) [system] peek_char((0x563acd73bee0), _439414)
   Exit: (195) [system] peek_char((0x563acd73bee0), q)
^  Call: (195) [user] is_delimiter(q)
   Call: (196) [system] char_type(q, space)
   Fail: (196) [system] char_type(q, space)
   Call: (196) [system] arg(_444134, v('(', ')', end_of_file), q)
   Fail: (196) [system] arg(_445066, v('(', ')', end_of_file), q)
^  Fail: (195) [user] is_delimiter(q)
   Call: (195) [system] ')'==q
   Fail: (195) [system] ')'==q
   Call: (195) [system] get_char((0x563acd73bee0), q)
   Exit: (195) [system] get_char((0x563acd73bee0), q)
   Call: (195) [system] q=(\)
   Fail: (195) [system] q=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _452416)
   Call: (196) [system] peek_char((0x563acd73bee0), _453350)
   Exit: (196) [system] peek_char((0x563acd73bee0), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_458070, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _452416=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (195) [system] _438480=[q]
   Exit: (195) [system] [q]=[q]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [q])
^  Call: (194) [user] classify_and_convert_charseq([$, q], _402970)
^  Call: (195) [user] classify_and_convert_charseq_([$, q], _467300)
   Call: (196) [system] atom_chars(_468232, ['_', q])
   Exit: (196) [system] atom_chars('_q', ['_', q])
^  Exit: (195) [user] classify_and_convert_charseq_([$, q], _q)
   Call: (195) [system] integer(_q)
   Fail: (195) [system] integer(_q)
   Call: (195) [system] _402970=_q
   Exit: (195) [system] _q=_q
^  Exit: (194) [user] classify_and_convert_charseq([$, q], _q)
^  Exit: (193) [user] read_symbolic(')', (0x563acd73bee0), $, _q)
^  Exit: (192) [user] cont_sexpr(')', (0x563acd73bee0), _q)
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _477524)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _479382)
   Exit: (194) [system] peek_char((0x563acd73bee0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
   Call: (194) [system] ')'=(/)
   Fail: (194) [system] ')'=(/)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _495392)
   Exit: (193) [system] peek_char((0x563acd73bee0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x563acd73bee0), _499182)
   Exit: (193) [system] get_char((0x563acd73bee0), ')')
   Call: (193) [system] _477524=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), [])
   Call: (192) [system] _366310=[_q]
   Exit: (192) [system] [_q]=[_q]
^  Exit: (191) [user] read_list(')', (0x563acd73bee0), [_q])
   Call: (191) [system] _3404=[['AndLink', _p, _q], _q]
   Exit: (191) [system] [['AndLink', _p, _q], _q]=[['AndLink', _p, _q], _q]
^  Exit: (190) [user] read_list(')', (0x563acd73bee0), [['AndLink', _p, _q], _q])
   Call: (190) [system] _3396=[->, ['AndLink', _p, _q], _q]
   Exit: (190) [system] [->, ['AndLink', _p, _q], _q]=[->, ['AndLink', _p, _q], _q]
^  Exit: (189) [user] read_list(')', (0x563acd73bee0), [->, ['AndLink', _p, _q], _q])
^  Exit: (188) [user] cont_sexpr(')', (0x563acd73bee0), [->, ['AndLink', _p, _q], _q])
^  Call: (188) [user] read_list(')', (0x563acd73bee0), _513064)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _514922)
   Exit: (190) [system] peek_char((0x563acd73bee0), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
   Call: (190) [system] ')'=(/)
   Fail: (190) [system] ')'=(/)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _530932)
   Exit: (189) [system] peek_char((0x563acd73bee0), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x563acd73bee0), _534722)
   Exit: (189) [system] get_char((0x563acd73bee0), ')')
   Call: (189) [system] _513064=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x563acd73bee0), [])
   Call: (188) [system] _3392=[[->, ['AndLink', _p, _q], _q]]
   Exit: (188) [system] [[->, ['AndLink', _p, _q], _q]]=[[->, ['AndLink', _p, _q], _q]]
^  Exit: (187) [user] read_list(')', (0x563acd73bee0), [[->, ['AndLink', _p, _q], _q]])
   Call: (187) [system] _3386=['ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]
   Exit: (187) [system] ['ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]=['ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]
^  Exit: (186) [user] read_list(')', (0x563acd73bee0), ['ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]])
   Call: (186) [system] _3378=[:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]
   Exit: (186) [system] [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]=[:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]
^  Exit: (185) [user] read_list(')', (0x563acd73bee0), [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]])
^  Exit: (184) [user] cont_sexpr(')', (0x563acd73bee0), [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]])
^  Call: (184) [user] read_list(')', (0x563acd73bee0), _548604)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _550462)
   Exit: (186) [system] peek_char((0x563acd73bee0), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
   Call: (186) [system] ')'=(/)
   Fail: (186) [system] ')'=(/)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _566472)
   Exit: (185) [system] peek_char((0x563acd73bee0), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x563acd73bee0), _570262)
   Exit: (185) [system] get_char((0x563acd73bee0), ')')
   Call: (185) [system] _548604=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x563acd73bee0), [])
   Call: (184) [system] _3374=[[:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]]
   Exit: (184) [system] [[:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]]=[[:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]]
^  Exit: (183) [user] read_list(')', (0x563acd73bee0), [[:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]])
   Call: (183) [system] _3362=[[rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]]
   Exit: (183) [system] [[rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]]=[[rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]]
^  Exit: (182) [user] read_list(')', (0x563acd73bee0), [[rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]])
   Call: (182) [system] _3322=[=, [rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]]
   Exit: (182) [system] [=, [rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]]=[=, [rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]]
^  Exit: (181) [user] read_list(')', (0x563acd73bee0), [=, [rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]])
^  Exit: (180) [user] cont_sexpr(')', (0x563acd73bee0), [=, [rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]])
^  Exit: (179) [user] read_sexpr((0x563acd73bee0), [=, [rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]])
^  Call: (179) [user] assertz(metta_file_comment(115, 0, 4704, [=, [rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]], '$stream_position'(4704, 115, 0, 4704)))
^  Exit: (179) [user] assertz(metta_file_comment(115, 0, 4704, [=, [rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]], '$stream_position'(4704, 115, 0, 4704)))
^  Exit: (177) [system] once(user:(read_position((0x563acd73bee0), 115, 0, 4704, '$stream_position'(4704, 115, 0, 4704)), read_sexpr((0x563acd73bee0), [=, [rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]]), assertz(metta_file_comment(115, 0, 4704, [=, [rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]], '$stream_position'(4704, 115, 0, 4704)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_588780, _588782, _588784, _588786, _588788))
^  Exit: (177) [user] retract(metta_file_comment(66, 0, 2300, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], '$stream_position'(2300, 66, 0, 2300)))
^  Call: (177) [user] trly(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _3084)
^  Call: (178) [user] once(call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _592212))
^  Call: (179) [user] call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _592212)
^  Call: (180) [user] untyped_to_metta([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _592212)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _595028))
^  Call: (182) [user] once(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _595028))
^  Call: (183) [user] trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _595028)
^  Call: (184) [user] once(call(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _597828))
^  Call: (185) [user] call(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _597828)
^  Call: (186) [user] mfix_vars1([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _597828)
   Call: (187) [system] var([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
   Call: (187) [system] atom([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
   Call: (187) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]==true
   Call: (187) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]==false
   Call: (187) [system] (=)=='['
   Call: (187) [system] (=)=='{'
   Call: (187) [system] is_list([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
   Exit: (187) [system] is_list([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
   Call: (187) [lists] lists:last([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _608050)
   Call: (188) [lists] lists:last_([['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [synthesize, _query, _kb, _rb, ['S', _k]], _608050)
   Call: (189) [lists] lists:last_([], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query], _608050)
   Exit: (189) [lists] lists:last_([], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query])
   Exit: (188) [lists] lists:last_([['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query])
   Exit: (187) [lists] lists:last([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query])
   Call: (187) [system] ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]=='}'
   Call: (187) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]==[_614566, _614572]
   Call: (187) [system] fail
   Call: (187) [system] is_list([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
   Exit: (187) [system] is_list([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Call: (187) [user] apply:maplist(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _597828)
   Call: (188) [apply] apply:maplist_([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _597828, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(=, _620146)
   Call: (190) [system] var(=)
   Call: (190) [system] atom(=)
   Exit: (190) [system] atom(=)
^  Call: (190) [user] symbol_concat($, _623854, =)
   Call: (191) [system] atom_concat($, _623854, =)
   Fail: (191) [system] atom_concat($, _623854, =)
^  Fail: (190) [user] symbol_concat($, _623854, =)
   Call: (190) [system] (=)==true
   Call: (190) [system] (=)==false
   Call: (190) [system] (=)==[_629442, _629448]
   Call: (190) [system] is_list(=)
   Call: (190) [system] string(=)
   Call: (190) [system] compound(=)
^  Call: (190) [user] symbol(=)
   Call: (191) [system] atom(=)
   Exit: (191) [system] atom(=)
^  Exit: (190) [user] symbol(=)
^  Exit: (189) [user] mfix_vars1(=, =)
   Call: (189) [apply] apply:maplist_([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _620148, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1([synthesize, _query, _kb, _rb, ['S', _k]], _638710)
   Call: (191) [system] var([synthesize, _query, _kb, _rb, ['S', _k]])
   Call: (191) [system] atom([synthesize, _query, _kb, _rb, ['S', _k]])
   Call: (191) [system] [synthesize, _query, _kb, _rb, ['S', _k]]==true
   Call: (191) [system] [synthesize, _query, _kb, _rb, ['S', _k]]==false
   Call: (191) [system] synthesize=='['
   Call: (191) [system] synthesize=='{'
   Call: (191) [system] is_list([_query, _kb, _rb, ['S', _k]])
   Exit: (191) [system] is_list([_query, _kb, _rb, ['S', _k]])
   Call: (191) [lists] lists:last([_query, _kb, _rb, ['S', _k]], _647054)
   Call: (192) [lists] lists:last_([_kb, _rb, ['S', _k]], _query, _647054)
   Call: (193) [lists] lists:last_([_rb, ['S', _k]], _kb, _647054)
   Call: (194) [lists] lists:last_([['S', _k]], _rb, _647054)
   Call: (195) [lists] lists:last_([], ['S', _k], _647054)
   Exit: (195) [lists] lists:last_([], ['S', _k], ['S', _k])
   Exit: (194) [lists] lists:last_([['S', _k]], _rb, ['S', _k])
   Exit: (193) [lists] lists:last_([_rb, ['S', _k]], _kb, ['S', _k])
   Exit: (192) [lists] lists:last_([_kb, _rb, ['S', _k]], _query, ['S', _k])
   Exit: (191) [lists] lists:last([_query, _kb, _rb, ['S', _k]], ['S', _k])
   Call: (191) [system] ['S', _k]=='}'
   Call: (191) [system] [synthesize, _query, _kb, _rb, ['S', _k]]==[_657298, _657304]
   Call: (191) [system] fail
   Call: (191) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
   Exit: (191) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
^  Call: (191) [user] apply:maplist(mfix_vars1, [synthesize, _query, _kb, _rb, ['S', _k]], _638710)
   Call: (192) [apply] apply:maplist_([synthesize, _query, _kb, _rb, ['S', _k]], _638710, user:mfix_vars1)
^  Call: (193) [user] mfix_vars1(synthesize, _662878)
   Call: (194) [system] var(synthesize)
   Call: (194) [system] atom(synthesize)
   Exit: (194) [system] atom(synthesize)
^  Call: (194) [user] symbol_concat($, _666586, synthesize)
   Call: (195) [system] atom_concat($, _666586, synthesize)
   Fail: (195) [system] atom_concat($, _666586, synthesize)
^  Fail: (194) [user] symbol_concat($, _666586, synthesize)
   Call: (194) [system] synthesize==true
   Call: (194) [system] synthesize==false
   Call: (194) [system] synthesize==[_672174, _672180]
   Call: (194) [system] is_list(synthesize)
   Call: (194) [system] string(synthesize)
   Call: (194) [system] compound(synthesize)
^  Call: (194) [user] symbol(synthesize)
   Call: (195) [system] atom(synthesize)
   Exit: (195) [system] atom(synthesize)
^  Exit: (194) [user] symbol(synthesize)
^  Exit: (193) [user] mfix_vars1(synthesize, synthesize)
   Call: (193) [apply] apply:maplist_([_query, _kb, _rb, ['S', _k]], _662880, user:mfix_vars1)
^  Call: (194) [user] mfix_vars1(_query, _681442)
   Call: (195) [system] var(_query)
   Call: (195) [system] atom(_query)
   Call: (195) [system] _query==true
   Call: (195) [system] _query==false
   Call: (195) [system] _query==[_686084, _686090]
   Call: (195) [system] is_list(_query)
   Call: (195) [system] string(_query)
   Call: (195) [system] compound(_query)
   Exit: (195) [system] compound(_query)
   Call: (195) [system] compound_name_arguments(_query, _690718, _690720)
   Exit: (195) [system] compound_name_arguments(_query, '$VAR', ['_query'])
   Call: (195) [system] '$VAR'\=='$VAR'
^  Exit: (183) [user] trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (182) [system] once(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _696312))
^  Call: (182) [user] once(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _696312))
^  Call: (183) [user] trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _696312)
^  Call: (184) [user] once(call(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _699112))
^  Call: (185) [user] call(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _699112)
^  Call: (186) [user] cons_to_c([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _699112)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (185) [system] call(user:cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (184) [system] once(user:call(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]))
   Call: (184) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]\=@=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]
^  Exit: (183) [user] trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (182) [system] once(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _592212))
^  Call: (182) [user] once(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _592212))
^  Call: (183) [user] trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _592212)
^  Call: (184) [user] once(call(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _713070))
^  Call: (185) [user] call(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _713070)
^  Call: (186) [user] cons_to_l([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _713070)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (185) [system] call(user:cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (184) [system] once(user:call(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]))
   Call: (184) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]\=@=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]
^  Exit: (183) [user] trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (182) [system] once(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]))
^  Exit: (180) [user] untyped_to_metta([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (179) [system] call(user:untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (178) [system] once(user:call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]))
   Call: (178) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]\=@=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]
^  Exit: (177) [user] trly(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (174) [user] parse_sexpr_metta_IO((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (171) [user] read_sform((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (170) [system] once(user:read_sform((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]))
   Call: (169) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]==end_of_file
   Fail: (169) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1727204596.0891678), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204596.0891678), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]), 114]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x563acd7397e0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], ynthesize_long_1727204587_629323, 114)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1727204596.0891678), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204596.0891678), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]), 114]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1727204599.4147084)
   Call: (173) [system] arg(1, t(1727204596.0891678), _3148)
   Exit: (173) [system] arg(1, t(1727204596.0891678), 1727204596.0891678)
   Call: (173) [system] _3158 is 1727204599.4147084-1727204596.0891678
   Exit: (173) [system] 3.325540542602539 is 1727204599.4147084-1727204596.0891678
   Call: (173) [system] 3.325540542602539>4
   Fail: (173) [system] 3.325540542602539>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1727204596.0891678), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204596.0891678), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]), 114]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 23)
   Call: (175) [system] atom(23+1)
   Call: (175) [system] set_flag(translated_forms, 24)
   Exit: (175) [system] set_flag(translated_forms, 24)
   Exit: (174) [$syspreds] update_flag(translated_forms, 23, 23+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 23, 23+1))
   Exit: (171) [$syspreds] flag(translated_forms, 23, 23+1)
^  Call: (171) [user] write_metta_datalog_term((0x563acd7397e0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], ynthesize_long_1727204587_629323, 114)
^  Call: (172) [user] s2t_iz(ynthesize_long_1727204587_629323, _764540, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _764542)
   Call: (173) [system] (=)==(:)
^  Call: (173) [user] s2tl([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _764542)
   Call: (174) [system] compound([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
   Exit: (174) [system] compound([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Call: (174) [user] s2t(=, _769192)
   Call: (175) [system] compound(=)
   Call: (175) [system] (=)=_769192
   Exit: (175) [system] (=)=(=)
^  Exit: (174) [user] s2t(=, =)
^  Call: (174) [user] s2tl([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _769194)
   Call: (175) [system] compound([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
   Exit: (175) [system] compound([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Call: (175) [user] s2t([synthesize, _query, _kb, _rb, ['S', _k]], _776610)
   Call: (176) [system] compound([synthesize, _query, _kb, _rb, ['S', _k]])
   Exit: (176) [system] compound([synthesize, _query, _kb, _rb, ['S', _k]])
   Call: (176) [system] synthesize==(->)
   Call: (176) [system] synthesize=='Cons'
   Call: (176) [system] synthesize==(=)
   Call: (176) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
   Exit: (176) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
^  Call: (176) [user] apply:maplist(s2t, [synthesize, _query, _kb, _rb, ['S', _k]], _784022)
   Call: (177) [apply] apply:maplist_([synthesize, _query, _kb, _rb, ['S', _k]], _784022, user:s2t)
^  Call: (178) [user] s2t(synthesize, _785902)
   Call: (179) [system] compound(synthesize)
   Call: (179) [system] synthesize=_785902
   Exit: (179) [system] synthesize=synthesize
^  Exit: (178) [user] s2t(synthesize, synthesize)
   Call: (178) [apply] apply:maplist_([_query, _kb, _rb, ['S', _k]], _785904, user:s2t)
^  Call: (179) [user] s2t(_query, _791476)
   Call: (180) [system] compound(_query)
   Exit: (180) [system] compound(_query)
   Call: (180) [system] is_list(_query)
^  Call: (180) [user] s2tl(_query, _791476)
   Call: (181) [system] compound(_query)
   Exit: (181) [system] compound(_query)
^  Exit: (180) [user] s2tl(_query, _query)
^  Exit: (179) [user] s2t(_query, _query)
   Call: (179) [apply] apply:maplist_([_kb, _rb, ['S', _k]], _791478, user:s2t)
^  Call: (180) [user] s2t(_kb, _800746)
   Call: (181) [system] compound(_kb)
   Exit: (181) [system] compound(_kb)
   Call: (181) [system] is_list(_kb)
^  Call: (181) [user] s2tl(_kb, _800746)
   Call: (182) [system] compound(_kb)
   Exit: (182) [system] compound(_kb)
^  Exit: (181) [user] s2tl(_kb, _kb)
^  Exit: (180) [user] s2t(_kb, _kb)
   Call: (180) [apply] apply:maplist_([_rb, ['S', _k]], _800748, user:s2t)
^  Call: (181) [user] s2t(_rb, _810016)
   Call: (182) [system] compound(_rb)
   Exit: (182) [system] compound(_rb)
   Call: (182) [system] is_list(_rb)
^  Call: (182) [user] s2tl(_rb, _810016)
   Call: (183) [system] compound(_rb)
   Exit: (183) [system] compound(_rb)
^  Exit: (182) [user] s2tl(_rb, _rb)
^  Exit: (181) [user] s2t(_rb, _rb)
   Call: (181) [apply] apply:maplist_([['S', _k]], _810018, user:s2t)
^  Call: (182) [user] s2t(['S', _k], _819286)
   Call: (183) [system] compound(['S', _k])
   Exit: (183) [system] compound(['S', _k])
   Call: (183) [system] 'S'==(->)
   Call: (183) [system] 'S'=='Cons'
   Call: (183) [system] 'S'==(=)
   Call: (183) [system] is_list(['S', _k])
   Exit: (183) [system] is_list(['S', _k])
^  Call: (183) [user] apply:maplist(s2t, ['S', _k], _826698)
   Call: (184) [apply] apply:maplist_(['S', _k], _826698, user:s2t)
^  Call: (185) [user] s2t('S', _828578)
   Call: (186) [system] compound('S')
   Call: (186) [system] 'S'=_828578
   Exit: (186) [system] 'S'='S'
^  Exit: (185) [user] s2t('S', 'S')
   Call: (185) [apply] apply:maplist_([_k], _828580, user:s2t)
^  Call: (186) [user] s2t(_k, _834152)
   Call: (187) [system] compound(_k)
   Exit: (187) [system] compound(_k)
   Call: (187) [system] is_list(_k)
^  Call: (187) [user] s2tl(_k, _834152)
   Call: (188) [system] compound(_k)
   Exit: (188) [system] compound(_k)
^  Exit: (187) [user] s2tl(_k, _k)
^  Exit: (186) [user] s2t(_k, _k)
   Call: (186) [apply] apply:maplist_([], _834154, user:s2t)
   Exit: (186) [apply] apply:maplist_([], [], user:s2t)
   Exit: (185) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (184) [apply] apply:maplist_(['S', _k], ['S', _k], user:s2t)
^  Exit: (183) [apply] apply:maplist(user:s2t, ['S', _k], ['S', _k])
   Call: (183) [system] compound_name_arguments(_819286, t, ['S', _k])
   Exit: (183) [system] compound_name_arguments(t('S', _k), t, ['S', _k])
^  Exit: (182) [user] s2t(['S', _k], t('S', _k))
   Call: (182) [apply] apply:maplist_([], _819288, user:s2t)
   Exit: (182) [apply] apply:maplist_([], [], user:s2t)
   Exit: (181) [apply] apply:maplist_([['S', _k]], [t('S', _k)], user:s2t)
   Exit: (180) [apply] apply:maplist_([_rb, ['S', _k]], [_rb, t('S', _k)], user:s2t)
   Exit: (179) [apply] apply:maplist_([_kb, _rb, ['S', _k]], [_kb, _rb, t('S', _k)], user:s2t)
   Exit: (178) [apply] apply:maplist_([_query, _kb, _rb, ['S', _k]], [_query, _kb, _rb, t('S', _k)], user:s2t)
   Exit: (177) [apply] apply:maplist_([synthesize, _query, _kb, _rb, ['S', _k]], [synthesize, _query, _kb, _rb, t('S', _k)], user:s2t)
^  Exit: (176) [apply] apply:maplist(user:s2t, [synthesize, _query, _kb, _rb, ['S', _k]], [synthesize, _query, _kb, _rb, t('S', _k)])
   Call: (176) [system] compound_name_arguments(_776610, t, [synthesize, _query, _kb, _rb, t('S', _k)])
   Exit: (176) [system] compound_name_arguments(t(synthesize, _query, _kb, _rb, t('S', _k)), t, [synthesize, _query, _kb, _rb, t('S', _k)])
^  Exit: (175) [user] s2t([synthesize, _query, _kb, _rb, ['S', _k]], t(synthesize, _query, _kb, _rb, t('S', _k)))
^  Call: (175) [user] s2tl([['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _776612)
   Call: (176) [system] compound([['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
   Exit: (176) [system] compound([['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Call: (176) [user] s2t(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query], _862996)
   Call: (177) [system] compound(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query])
   Exit: (177) [system] compound(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query])
   Call: (177) [system] 'let*'==(->)
   Call: (177) [system] 'let*'=='Cons'
   Call: (177) [system] 'let*'==(=)
   Call: (177) [system] is_list(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query])
   Exit: (177) [system] is_list(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query])
^  Call: (177) [user] apply:maplist(s2t, ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query], _870408)
   Call: (178) [apply] apply:maplist_(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query], _870408, user:s2t)
^  Call: (179) [user] s2t('let*', _872288)
   Call: (180) [system] compound('let*')
   Call: (180) [system] 'let*'=_872288
   Exit: (180) [system] 'let*'='let*'
^  Exit: (179) [user] s2t('let*', 'let*')
   Call: (179) [apply] apply:maplist_([[[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query], _872290, user:s2t)
^  Call: (180) [user] s2t([[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _877862)
   Call: (181) [system] compound([[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]])
   Exit: (181) [system] compound([[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]])
   Call: (181) [system] [[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]]==(->)
   Call: (181) [system] [[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]]=='Cons'
   Call: (181) [system] [[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]]==(=)
   Call: (181) [system] is_list([[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]])
   Exit: (181) [system] is_list([[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]])
^  Call: (181) [user] apply:maplist(s2t, [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _885274)
   Call: (182) [apply] apply:maplist_([[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _885274, user:s2t)
^  Call: (183) [user] s2t([[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], _887154)
   Call: (184) [system] compound([[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]])
   Exit: (184) [system] compound([[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]])
   Call: (184) [system] [:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]]==(->)
   Call: (184) [system] [:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]]=='Cons'
   Call: (184) [system] [:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]]==(=)
   Call: (184) [system] is_list([[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]])
   Exit: (184) [system] is_list([[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]])
^  Call: (184) [user] apply:maplist(s2t, [[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], _894566)
   Call: (185) [apply] apply:maplist_([[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], _894566, user:s2t)
^  Call: (186) [user] s2t([:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], _896446)
   Call: (187) [system] compound([:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]])
   Exit: (187) [system] compound([:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]])
   Call: (187) [system] (:)==(->)
   Call: (187) [system] (:)=='Cons'
   Call: (187) [system] (:)==(=)
   Call: (187) [system] is_list([:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]])
   Exit: (187) [system] is_list([:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]])
^  Call: (187) [user] apply:maplist(s2t, [:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], _903858)
   Call: (188) [apply] apply:maplist_([:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], _903858, user:s2t)
^  Call: (189) [user] s2t(:, _905738)
   Call: (190) [system] compound(:)
   Call: (190) [system] (:)=_905738
   Exit: (190) [system] (:)=(:)
^  Exit: (189) [user] s2t(:, :)
   Call: (189) [apply] apply:maplist_([_ructor, [->, _premise1, _premise2, _premise3, _conclusion]], _905740, user:s2t)
^  Call: (190) [user] s2t(_ructor, _911312)
   Call: (191) [system] compound(_ructor)
   Exit: (191) [system] compound(_ructor)
   Call: (191) [system] is_list(_ructor)
^  Call: (191) [user] s2tl(_ructor, _911312)
   Call: (192) [system] compound(_ructor)
   Exit: (192) [system] compound(_ructor)
^  Exit: (191) [user] s2tl(_ructor, _ructor)
^  Exit: (190) [user] s2t(_ructor, _ructor)
   Call: (190) [apply] apply:maplist_([[->, _premise1, _premise2, _premise3, _conclusion]], _911314, user:s2t)
^  Call: (191) [user] s2t([->, _premise1, _premise2, _premise3, _conclusion], _920582)
   Call: (192) [system] compound([->, _premise1, _premise2, _premise3, _conclusion])
   Exit: (192) [system] compound([->, _premise1, _premise2, _premise3, _conclusion])
   Call: (192) [system] (->)==(->)
   Exit: (192) [system] (->)==(->)
^  Call: (192) [user] s2tl([_premise1, _premise2, _premise3, _conclusion], _925218)
   Call: (193) [system] compound([_premise1, _premise2, _premise3, _conclusion])
   Exit: (193) [system] compound([_premise1, _premise2, _premise3, _conclusion])
^  Call: (193) [user] s2t(_premise1, _927998)
   Call: (194) [system] compound(_premise1)
   Exit: (194) [system] compound(_premise1)
   Call: (194) [system] is_list(_premise1)
^  Call: (194) [user] s2tl(_premise1, _927998)
   Call: (195) [system] compound(_premise1)
   Exit: (195) [system] compound(_premise1)
^  Exit: (194) [user] s2tl(_premise1, _premise1)
^  Exit: (193) [user] s2t(_premise1, _premise1)
^  Call: (193) [user] s2tl([_premise2, _premise3, _conclusion], _928000)
   Call: (194) [system] compound([_premise2, _premise3, _conclusion])
   Exit: (194) [system] compound([_premise2, _premise3, _conclusion])
^  Call: (194) [user] s2t(_premise2, _939112)
   Call: (195) [system] compound(_premise2)
   Exit: (195) [system] compound(_premise2)
   Call: (195) [system] is_list(_premise2)
^  Call: (195) [user] s2tl(_premise2, _939112)
   Call: (196) [system] compound(_premise2)
   Exit: (196) [system] compound(_premise2)
^  Exit: (195) [user] s2tl(_premise2, _premise2)
^  Exit: (194) [user] s2t(_premise2, _premise2)
^  Call: (194) [user] s2tl([_premise3, _conclusion], _939114)
   Call: (195) [system] compound([_premise3, _conclusion])
   Exit: (195) [system] compound([_premise3, _conclusion])
^  Call: (195) [user] s2t(_premise3, _950226)
   Call: (196) [system] compound(_premise3)
   Exit: (196) [system] compound(_premise3)
   Call: (196) [system] is_list(_premise3)
^  Call: (196) [user] s2tl(_premise3, _950226)
   Call: (197) [system] compound(_premise3)
   Exit: (197) [system] compound(_premise3)
^  Exit: (196) [user] s2tl(_premise3, _premise3)
^  Exit: (195) [user] s2t(_premise3, _premise3)
^  Call: (195) [user] s2tl([_conclusion], _950228)
   Call: (196) [system] compound([_conclusion])
   Exit: (196) [system] compound([_conclusion])
^  Call: (196) [user] s2t(_conclusion, _961340)
   Call: (197) [system] compound(_conclusion)
   Exit: (197) [system] compound(_conclusion)
   Call: (197) [system] is_list(_conclusion)
^  Call: (197) [user] s2tl(_conclusion, _961340)
   Call: (198) [system] compound(_conclusion)
   Exit: (198) [system] compound(_conclusion)
^  Exit: (197) [user] s2tl(_conclusion, _conclusion)
^  Exit: (196) [user] s2t(_conclusion, _conclusion)
^  Call: (196) [user] s2tl([], _961342)
   Call: (197) [system] compound([])
   Call: (197) [system] []=_961342
   Exit: (197) [system] []=[]
^  Exit: (196) [user] s2tl([], [])
^  Exit: (195) [user] s2tl([_conclusion], [_conclusion])
^  Exit: (194) [user] s2tl([_premise3, _conclusion], [_premise3, _conclusion])
^  Exit: (193) [user] s2tl([_premise2, _premise3, _conclusion], [_premise2, _premise3, _conclusion])
^  Exit: (192) [user] s2tl([_premise1, _premise2, _premise3, _conclusion], [_premise1, _premise2, _premise3, _conclusion])
   Call: (192) [system] _920582=..[->, [_premise1, _premise2, _premise3, _conclusion]]
   Exit: (192) [system] ->([_premise1, _premise2, _premise3, _conclusion])=..[->, [_premise1, _premise2, _premise3, _conclusion]]
^  Exit: (191) [user] s2t([->, _premise1, _premise2, _premise3, _conclusion], ->([_premise1, _premise2, _premise3, _conclusion]))
   Call: (191) [apply] apply:maplist_([], _920584, user:s2t)
   Exit: (191) [apply] apply:maplist_([], [], user:s2t)
   Exit: (190) [apply] apply:maplist_([[->, _premise1, _premise2, _premise3, _conclusion]], [->([_premise1, _premise2, _premise3, _conclusion])], user:s2t)
   Exit: (189) [apply] apply:maplist_([_ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_ructor, ->([_premise1, _premise2, _premise3, _conclusion])], user:s2t)
   Exit: (188) [apply] apply:maplist_([:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])], user:s2t)
^  Exit: (187) [apply] apply:maplist(user:s2t, [:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])])
   Call: (187) [system] compound_name_arguments(_896446, t, [:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])])
   Exit: (187) [system] compound_name_arguments(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t, [:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])])
^  Exit: (186) [user] s2t([:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])))
   Call: (186) [apply] apply:maplist_([[_rb]], _896448, user:s2t)
^  Call: (187) [user] s2t([_rb], _990156)
   Call: (188) [system] compound([_rb])
   Exit: (188) [system] compound([_rb])
   Call: (188) [system] _rb==(->)
   Call: (188) [system] _rb=='Cons'
   Call: (188) [system] _rb==(=)
   Call: (188) [system] is_list([_rb])
   Exit: (188) [system] is_list([_rb])
^  Call: (188) [user] apply:maplist(s2t, [_rb], _997568)
   Call: (189) [apply] apply:maplist_([_rb], _997568, user:s2t)
^  Call: (190) [user] s2t(_rb, _999448)
   Call: (191) [system] compound(_rb)
   Exit: (191) [system] compound(_rb)
   Call: (191) [system] is_list(_rb)
^  Call: (191) [user] s2tl(_rb, _999448)
   Call: (192) [system] compound(_rb)
   Exit: (192) [system] compound(_rb)
^  Exit: (191) [user] s2tl(_rb, _rb)
^  Exit: (190) [user] s2t(_rb, _rb)
   Call: (190) [apply] apply:maplist_([], _999450, user:s2t)
   Exit: (190) [apply] apply:maplist_([], [], user:s2t)
   Exit: (189) [apply] apply:maplist_([_rb], [_rb], user:s2t)
^  Exit: (188) [apply] apply:maplist(user:s2t, [_rb], [_rb])
   Call: (188) [system] compound_name_arguments(_990156, t, [_rb])
   Exit: (188) [system] compound_name_arguments(t(_rb), t, [_rb])
^  Exit: (187) [user] s2t([_rb], t(_rb))
   Call: (187) [apply] apply:maplist_([], _990158, user:s2t)
   Exit: (187) [apply] apply:maplist_([], [], user:s2t)
   Exit: (186) [apply] apply:maplist_([[_rb]], [t(_rb)], user:s2t)
   Exit: (185) [apply] apply:maplist_([[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)], user:s2t)
^  Exit: (184) [apply] apply:maplist(user:s2t, [[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)])
   Call: (184) [system] compound_name_arguments(_887154, t, [t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)])
   Exit: (184) [system] compound_name_arguments(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t, [t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)])
^  Exit: (183) [user] s2t([[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)))
   Call: (183) [apply] apply:maplist_([[[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _887156, user:s2t)
^  Call: (184) [user] s2t([[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], _1022712)
   Call: (185) [system] compound([[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query])
   Exit: (185) [system] compound([[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query])
   Call: (185) [system] [:, [_ructor, _proof1, _proof2, _proof3], _conclusion]==(->)
   Call: (185) [system] [:, [_ructor, _proof1, _proof2, _proof3], _conclusion]=='Cons'
   Call: (185) [system] [:, [_ructor, _proof1, _proof2, _proof3], _conclusion]==(=)
   Call: (185) [system] is_list([[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query])
   Exit: (185) [system] is_list([[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query])
^  Call: (185) [user] apply:maplist(s2t, [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], _1030124)
   Call: (186) [apply] apply:maplist_([[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], _1030124, user:s2t)
^  Call: (187) [user] s2t([:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _1032004)
   Call: (188) [system] compound([:, [_ructor, _proof1, _proof2, _proof3], _conclusion])
   Exit: (188) [system] compound([:, [_ructor, _proof1, _proof2, _proof3], _conclusion])
   Call: (188) [system] (:)==(->)
   Call: (188) [system] (:)=='Cons'
   Call: (188) [system] (:)==(=)
   Call: (188) [system] is_list([:, [_ructor, _proof1, _proof2, _proof3], _conclusion])
   Exit: (188) [system] is_list([:, [_ructor, _proof1, _proof2, _proof3], _conclusion])
^  Call: (188) [user] apply:maplist(s2t, [:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _1039416)
   Call: (189) [apply] apply:maplist_([:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _1039416, user:s2t)
^  Call: (190) [user] s2t(:, _1041296)
   Call: (191) [system] compound(:)
   Call: (191) [system] (:)=_1041296
   Exit: (191) [system] (:)=(:)
^  Exit: (190) [user] s2t(:, :)
   Call: (190) [apply] apply:maplist_([[_ructor, _proof1, _proof2, _proof3], _conclusion], _1041298, user:s2t)
^  Call: (191) [user] s2t([_ructor, _proof1, _proof2, _proof3], _1046870)
   Call: (192) [system] compound([_ructor, _proof1, _proof2, _proof3])
   Exit: (192) [system] compound([_ructor, _proof1, _proof2, _proof3])
   Call: (192) [system] _ructor==(->)
   Call: (192) [system] _ructor=='Cons'
   Call: (192) [system] _ructor==(=)
   Call: (192) [system] is_list([_ructor, _proof1, _proof2, _proof3])
   Exit: (192) [system] is_list([_ructor, _proof1, _proof2, _proof3])
^  Call: (192) [user] apply:maplist(s2t, [_ructor, _proof1, _proof2, _proof3], _1054282)
   Call: (193) [apply] apply:maplist_([_ructor, _proof1, _proof2, _proof3], _1054282, user:s2t)
^  Call: (194) [user] s2t(_ructor, _1056162)
   Call: (195) [system] compound(_ructor)
   Exit: (195) [system] compound(_ructor)
   Call: (195) [system] is_list(_ructor)
^  Call: (195) [user] s2tl(_ructor, _1056162)
   Call: (196) [system] compound(_ructor)
   Exit: (196) [system] compound(_ructor)
^  Exit: (195) [user] s2tl(_ructor, _ructor)
^  Exit: (194) [user] s2t(_ructor, _ructor)
   Call: (194) [apply] apply:maplist_([_proof1, _proof2, _proof3], _1056164, user:s2t)
^  Call: (195) [user] s2t(_proof1, _1065432)
   Call: (196) [system] compound(_proof1)
   Exit: (196) [system] compound(_proof1)
   Call: (196) [system] is_list(_proof1)
^  Call: (196) [user] s2tl(_proof1, _1065432)
   Call: (197) [system] compound(_proof1)
   Exit: (197) [system] compound(_proof1)
^  Exit: (196) [user] s2tl(_proof1, _proof1)
^  Exit: (195) [user] s2t(_proof1, _proof1)
   Call: (195) [apply] apply:maplist_([_proof2, _proof3], _1065434, user:s2t)
^  Call: (196) [user] s2t(_proof2, _1074702)
   Call: (197) [system] compound(_proof2)
   Exit: (197) [system] compound(_proof2)
   Call: (197) [system] is_list(_proof2)
^  Call: (197) [user] s2tl(_proof2, _1074702)
   Call: (198) [system] compound(_proof2)
   Exit: (198) [system] compound(_proof2)
^  Exit: (197) [user] s2tl(_proof2, _proof2)
^  Exit: (196) [user] s2t(_proof2, _proof2)
   Call: (196) [apply] apply:maplist_([_proof3], _1074704, user:s2t)
^  Call: (197) [user] s2t(_proof3, _1083972)
   Call: (198) [system] compound(_proof3)
   Exit: (198) [system] compound(_proof3)
   Call: (198) [system] is_list(_proof3)
^  Call: (198) [user] s2tl(_proof3, _1083972)
   Call: (199) [system] compound(_proof3)
   Exit: (199) [system] compound(_proof3)
^  Exit: (198) [user] s2tl(_proof3, _proof3)
^  Exit: (197) [user] s2t(_proof3, _proof3)
   Call: (197) [apply] apply:maplist_([], _1083974, user:s2t)
   Exit: (197) [apply] apply:maplist_([], [], user:s2t)
   Exit: (196) [apply] apply:maplist_([_proof3], [_proof3], user:s2t)
   Exit: (195) [apply] apply:maplist_([_proof2, _proof3], [_proof2, _proof3], user:s2t)
   Exit: (194) [apply] apply:maplist_([_proof1, _proof2, _proof3], [_proof1, _proof2, _proof3], user:s2t)
   Exit: (193) [apply] apply:maplist_([_ructor, _proof1, _proof2, _proof3], [_ructor, _proof1, _proof2, _proof3], user:s2t)
^  Exit: (192) [apply] apply:maplist(user:s2t, [_ructor, _proof1, _proof2, _proof3], [_ructor, _proof1, _proof2, _proof3])
   Call: (192) [system] compound_name_arguments(_1046870, t, [_ructor, _proof1, _proof2, _proof3])
   Exit: (192) [system] compound_name_arguments(t(_ructor, _proof1, _proof2, _proof3), t, [_ructor, _proof1, _proof2, _proof3])
^  Exit: (191) [user] s2t([_ructor, _proof1, _proof2, _proof3], t(_ructor, _proof1, _proof2, _proof3))
   Call: (191) [apply] apply:maplist_([_conclusion], _1046872, user:s2t)
^  Call: (192) [user] s2t(_conclusion, _1102574)
   Call: (193) [system] compound(_conclusion)
   Exit: (193) [system] compound(_conclusion)
   Call: (193) [system] is_list(_conclusion)
^  Call: (193) [user] s2tl(_conclusion, _1102574)
   Call: (194) [system] compound(_conclusion)
   Exit: (194) [system] compound(_conclusion)
^  Exit: (193) [user] s2tl(_conclusion, _conclusion)
^  Exit: (192) [user] s2t(_conclusion, _conclusion)
   Call: (192) [apply] apply:maplist_([], _1102576, user:s2t)
   Exit: (192) [apply] apply:maplist_([], [], user:s2t)
   Exit: (191) [apply] apply:maplist_([_conclusion], [_conclusion], user:s2t)
   Exit: (190) [apply] apply:maplist_([[_ructor, _proof1, _proof2, _proof3], _conclusion], [t(_ructor, _proof1, _proof2, _proof3), _conclusion], user:s2t)
   Exit: (189) [apply] apply:maplist_([:, [_ructor, _proof1, _proof2, _proof3], _conclusion], [:, t(_ructor, _proof1, _proof2, _proof3), _conclusion], user:s2t)
^  Exit: (188) [apply] apply:maplist(user:s2t, [:, [_ructor, _proof1, _proof2, _proof3], _conclusion], [:, t(_ructor, _proof1, _proof2, _proof3), _conclusion])
   Call: (188) [system] compound_name_arguments(_1032004, t, [:, t(_ructor, _proof1, _proof2, _proof3), _conclusion])
   Exit: (188) [system] compound_name_arguments(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), t, [:, t(_ructor, _proof1, _proof2, _proof3), _conclusion])
^  Exit: (187) [user] s2t([:, [_ructor, _proof1, _proof2, _proof3], _conclusion], t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion))
   Call: (187) [apply] apply:maplist_([_query], _1032006, user:s2t)
^  Call: (188) [user] s2t(_query, _1120242)
   Call: (189) [system] compound(_query)
   Exit: (189) [system] compound(_query)
   Call: (189) [system] is_list(_query)
^  Call: (189) [user] s2tl(_query, _1120242)
   Call: (190) [system] compound(_query)
   Exit: (190) [system] compound(_query)
^  Exit: (189) [user] s2tl(_query, _query)
^  Exit: (188) [user] s2t(_query, _query)
   Call: (188) [apply] apply:maplist_([], _1120244, user:s2t)
   Exit: (188) [apply] apply:maplist_([], [], user:s2t)
   Exit: (187) [apply] apply:maplist_([_query], [_query], user:s2t)
   Exit: (186) [apply] apply:maplist_([[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query], user:s2t)
^  Exit: (185) [apply] apply:maplist(user:s2t, [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query])
   Call: (185) [system] compound_name_arguments(_1022712, t, [t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query])
   Exit: (185) [system] compound_name_arguments(t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t, [t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query])
^  Exit: (184) [user] s2t([[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query))
   Call: (184) [apply] apply:maplist_([[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _1022714, user:s2t)
^  Call: (185) [user] s2t([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], _1136976)
   Call: (186) [system] compound([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
   Exit: (186) [system] compound([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
   Call: (186) [system] [:, _proof1, _premise1]==(->)
   Call: (186) [system] [:, _proof1, _premise1]=='Cons'
   Call: (186) [system] [:, _proof1, _premise1]==(=)
   Call: (186) [system] is_list([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
   Exit: (186) [system] is_list([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
^  Call: (186) [user] apply:maplist(s2t, [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], _1144388)
   Call: (187) [apply] apply:maplist_([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], _1144388, user:s2t)
^  Call: (188) [user] s2t([:, _proof1, _premise1], _1146268)
   Call: (189) [system] compound([:, _proof1, _premise1])
   Exit: (189) [system] compound([:, _proof1, _premise1])
   Call: (189) [system] (:)==(->)
   Call: (189) [system] (:)=='Cons'
   Call: (189) [system] (:)==(=)
   Call: (189) [system] is_list([:, _proof1, _premise1])
   Exit: (189) [system] is_list([:, _proof1, _premise1])
^  Call: (189) [user] apply:maplist(s2t, [:, _proof1, _premise1], _1153680)
   Call: (190) [apply] apply:maplist_([:, _proof1, _premise1], _1153680, user:s2t)
^  Call: (191) [user] s2t(:, _1155560)
   Call: (192) [system] compound(:)
   Call: (192) [system] (:)=_1155560
   Exit: (192) [system] (:)=(:)
^  Exit: (191) [user] s2t(:, :)
   Call: (191) [apply] apply:maplist_([_proof1, _premise1], _1155562, user:s2t)
^  Call: (192) [user] s2t(_proof1, _1161134)
   Call: (193) [system] compound(_proof1)
   Exit: (193) [system] compound(_proof1)
   Call: (193) [system] is_list(_proof1)
^  Call: (193) [user] s2tl(_proof1, _1161134)
   Call: (194) [system] compound(_proof1)
   Exit: (194) [system] compound(_proof1)
^  Exit: (193) [user] s2tl(_proof1, _proof1)
^  Exit: (192) [user] s2t(_proof1, _proof1)
   Call: (192) [apply] apply:maplist_([_premise1], _1161136, user:s2t)
^  Call: (193) [user] s2t(_premise1, _1170404)
   Call: (194) [system] compound(_premise1)
   Exit: (194) [system] compound(_premise1)
   Call: (194) [system] is_list(_premise1)
^  Call: (194) [user] s2tl(_premise1, _1170404)
   Call: (195) [system] compound(_premise1)
   Exit: (195) [system] compound(_premise1)
^  Exit: (194) [user] s2tl(_premise1, _premise1)
^  Exit: (193) [user] s2t(_premise1, _premise1)
   Call: (193) [apply] apply:maplist_([], _1170406, user:s2t)
   Exit: (193) [apply] apply:maplist_([], [], user:s2t)
   Exit: (192) [apply] apply:maplist_([_premise1], [_premise1], user:s2t)
   Exit: (191) [apply] apply:maplist_([_proof1, _premise1], [_proof1, _premise1], user:s2t)
   Exit: (190) [apply] apply:maplist_([:, _proof1, _premise1], [:, _proof1, _premise1], user:s2t)
^  Exit: (189) [apply] apply:maplist(user:s2t, [:, _proof1, _premise1], [:, _proof1, _premise1])
   Call: (189) [system] compound_name_arguments(_1146268, t, [:, _proof1, _premise1])
   Exit: (189) [system] compound_name_arguments(t(:, _proof1, _premise1), t, [:, _proof1, _premise1])
^  Exit: (188) [user] s2t([:, _proof1, _premise1], t(:, _proof1, _premise1))
   Call: (188) [apply] apply:maplist_([[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], _1146270, user:s2t)
^  Call: (189) [user] s2t([synthesize, [:, _proof1, _premise1], _kb, _rb, _k], _1188072)
   Call: (190) [system] compound([synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
   Exit: (190) [system] compound([synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
   Call: (190) [system] synthesize==(->)
   Call: (190) [system] synthesize=='Cons'
   Call: (190) [system] synthesize==(=)
   Call: (190) [system] is_list([synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
   Exit: (190) [system] is_list([synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
^  Call: (190) [user] apply:maplist(s2t, [synthesize, [:, _proof1, _premise1], _kb, _rb, _k], _1195484)
   Call: (191) [apply] apply:maplist_([synthesize, [:, _proof1, _premise1], _kb, _rb, _k], _1195484, user:s2t)
^  Call: (192) [user] s2t(synthesize, _1197364)
   Call: (193) [system] compound(synthesize)
   Call: (193) [system] synthesize=_1197364
   Exit: (193) [system] synthesize=synthesize
^  Exit: (192) [user] s2t(synthesize, synthesize)
   Call: (192) [apply] apply:maplist_([[:, _proof1, _premise1], _kb, _rb, _k], _1197366, user:s2t)
^  Call: (193) [user] s2t([:, _proof1, _premise1], _1202938)
   Call: (194) [system] compound([:, _proof1, _premise1])
   Exit: (194) [system] compound([:, _proof1, _premise1])
   Call: (194) [system] (:)==(->)
   Call: (194) [system] (:)=='Cons'
   Call: (194) [system] (:)==(=)
   Call: (194) [system] is_list([:, _proof1, _premise1])
   Exit: (194) [system] is_list([:, _proof1, _premise1])
^  Call: (194) [user] apply:maplist(s2t, [:, _proof1, _premise1], _1210350)
   Call: (195) [apply] apply:maplist_([:, _proof1, _premise1], _1210350, user:s2t)
^  Call: (196) [user] s2t(:, _1212230)
   Call: (197) [system] compound(:)
   Call: (197) [system] (:)=_1212230
   Exit: (197) [system] (:)=(:)
^  Exit: (196) [user] s2t(:, :)
   Call: (196) [apply] apply:maplist_([_proof1, _premise1], _1212232, user:s2t)
^  Call: (197) [user] s2t(_proof1, _1217804)
   Call: (198) [system] compound(_proof1)
   Exit: (198) [system] compound(_proof1)
   Call: (198) [system] is_list(_proof1)
^  Call: (198) [user] s2tl(_proof1, _1217804)
   Call: (199) [system] compound(_proof1)
   Exit: (199) [system] compound(_proof1)
^  Exit: (198) [user] s2tl(_proof1, _proof1)
^  Exit: (197) [user] s2t(_proof1, _proof1)
   Call: (197) [apply] apply:maplist_([_premise1], _1217806, user:s2t)
^  Call: (198) [user] s2t(_premise1, _1227074)
   Call: (199) [system] compound(_premise1)
   Exit: (199) [system] compound(_premise1)
   Call: (199) [system] is_list(_premise1)
^  Call: (199) [user] s2tl(_premise1, _1227074)
   Call: (200) [system] compound(_premise1)
   Exit: (200) [system] compound(_premise1)
^  Exit: (199) [user] s2tl(_premise1, _premise1)
^  Exit: (198) [user] s2t(_premise1, _premise1)
   Call: (198) [apply] apply:maplist_([], _1227076, user:s2t)
   Exit: (198) [apply] apply:maplist_([], [], user:s2t)
   Exit: (197) [apply] apply:maplist_([_premise1], [_premise1], user:s2t)
   Exit: (196) [apply] apply:maplist_([_proof1, _premise1], [_proof1, _premise1], user:s2t)
   Exit: (195) [apply] apply:maplist_([:, _proof1, _premise1], [:, _proof1, _premise1], user:s2t)
^  Exit: (194) [apply] apply:maplist(user:s2t, [:, _proof1, _premise1], [:, _proof1, _premise1])
   Call: (194) [system] compound_name_arguments(_1202938, t, [:, _proof1, _premise1])
   Exit: (194) [system] compound_name_arguments(t(:, _proof1, _premise1), t, [:, _proof1, _premise1])
^  Exit: (193) [user] s2t([:, _proof1, _premise1], t(:, _proof1, _premise1))
   Call: (193) [apply] apply:maplist_([_kb, _rb, _k], _1202940, user:s2t)
^  Call: (194) [user] s2t(_kb, _1244742)
   Call: (195) [system] compound(_kb)
   Exit: (195) [system] compound(_kb)
   Call: (195) [system] is_list(_kb)
^  Call: (195) [user] s2tl(_kb, _1244742)
   Call: (196) [system] compound(_kb)
   Exit: (196) [system] compound(_kb)
^  Exit: (195) [user] s2tl(_kb, _kb)
^  Exit: (194) [user] s2t(_kb, _kb)
   Call: (194) [apply] apply:maplist_([_rb, _k], _1244744, user:s2t)
^  Call: (195) [user] s2t(_rb, _1254012)
   Call: (196) [system] compound(_rb)
   Exit: (196) [system] compound(_rb)
   Call: (196) [system] is_list(_rb)
^  Call: (196) [user] s2tl(_rb, _1254012)
   Call: (197) [system] compound(_rb)
   Exit: (197) [system] compound(_rb)
^  Exit: (196) [user] s2tl(_rb, _rb)
^  Exit: (195) [user] s2t(_rb, _rb)
   Call: (195) [apply] apply:maplist_([_k], _1254014, user:s2t)
^  Call: (196) [user] s2t(_k, _1263282)
   Call: (197) [system] compound(_k)
   Exit: (197) [system] compound(_k)
   Call: (197) [system] is_list(_k)
^  Call: (197) [user] s2tl(_k, _1263282)
   Call: (198) [system] compound(_k)
   Exit: (198) [system] compound(_k)
^  Exit: (197) [user] s2tl(_k, _k)
^  Exit: (196) [user] s2t(_k, _k)
   Call: (196) [apply] apply:maplist_([], _1263284, user:s2t)
   Exit: (196) [apply] apply:maplist_([], [], user:s2t)
   Exit: (195) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (194) [apply] apply:maplist_([_rb, _k], [_rb, _k], user:s2t)
   Exit: (193) [apply] apply:maplist_([_kb, _rb, _k], [_kb, _rb, _k], user:s2t)
   Exit: (192) [apply] apply:maplist_([[:, _proof1, _premise1], _kb, _rb, _k], [t(:, _proof1, _premise1), _kb, _rb, _k], user:s2t)
   Exit: (191) [apply] apply:maplist_([synthesize, [:, _proof1, _premise1], _kb, _rb, _k], [synthesize, t(:, _proof1, _premise1), _kb, _rb, _k], user:s2t)
^  Exit: (190) [apply] apply:maplist(user:s2t, [synthesize, [:, _proof1, _premise1], _kb, _rb, _k], [synthesize, t(:, _proof1, _premise1), _kb, _rb, _k])
   Call: (190) [system] compound_name_arguments(_1188072, t, [synthesize, t(:, _proof1, _premise1), _kb, _rb, _k])
   Exit: (190) [system] compound_name_arguments(t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k), t, [synthesize, t(:, _proof1, _premise1), _kb, _rb, _k])
^  Exit: (189) [user] s2t([synthesize, [:, _proof1, _premise1], _kb, _rb, _k], t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k))
   Call: (189) [apply] apply:maplist_([], _1188074, user:s2t)
   Exit: (189) [apply] apply:maplist_([], [], user:s2t)
   Exit: (188) [apply] apply:maplist_([[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)], user:s2t)
   Exit: (187) [apply] apply:maplist_([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)], user:s2t)
^  Exit: (186) [apply] apply:maplist(user:s2t, [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)])
   Call: (186) [system] compound_name_arguments(_1136976, t, [t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)])
   Exit: (186) [system] compound_name_arguments(t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t, [t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)])
^  Exit: (185) [user] s2t([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)))
   Call: (185) [apply] apply:maplist_([[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _1136978, user:s2t)
^  Call: (186) [user] s2t([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], _1290282)
   Call: (187) [system] compound([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
   Exit: (187) [system] compound([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
   Call: (187) [system] [:, _proof2, _premise2]==(->)
   Call: (187) [system] [:, _proof2, _premise2]=='Cons'
   Call: (187) [system] [:, _proof2, _premise2]==(=)
   Call: (187) [system] is_list([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
   Exit: (187) [system] is_list([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
^  Call: (187) [user] apply:maplist(s2t, [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], _1297694)
   Call: (188) [apply] apply:maplist_([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], _1297694, user:s2t)
^  Call: (189) [user] s2t([:, _proof2, _premise2], _1299574)
   Call: (190) [system] compound([:, _proof2, _premise2])
   Exit: (190) [system] compound([:, _proof2, _premise2])
   Call: (190) [system] (:)==(->)
   Call: (190) [system] (:)=='Cons'
   Call: (190) [system] (:)==(=)
   Call: (190) [system] is_list([:, _proof2, _premise2])
   Exit: (190) [system] is_list([:, _proof2, _premise2])
^  Call: (190) [user] apply:maplist(s2t, [:, _proof2, _premise2], _1306986)
   Call: (191) [apply] apply:maplist_([:, _proof2, _premise2], _1306986, user:s2t)
^  Call: (192) [user] s2t(:, _1308866)
   Call: (193) [system] compound(:)
   Call: (193) [system] (:)=_1308866
   Exit: (193) [system] (:)=(:)
^  Exit: (192) [user] s2t(:, :)
   Call: (192) [apply] apply:maplist_([_proof2, _premise2], _1308868, user:s2t)
^  Call: (193) [user] s2t(_proof2, _1314440)
   Call: (194) [system] compound(_proof2)
   Exit: (194) [system] compound(_proof2)
   Call: (194) [system] is_list(_proof2)
^  Call: (194) [user] s2tl(_proof2, _1314440)
   Call: (195) [system] compound(_proof2)
   Exit: (195) [system] compound(_proof2)
^  Exit: (194) [user] s2tl(_proof2, _proof2)
^  Exit: (193) [user] s2t(_proof2, _proof2)
   Call: (193) [apply] apply:maplist_([_premise2], _1314442, user:s2t)
^  Call: (194) [user] s2t(_premise2, _1323710)
   Call: (195) [system] compound(_premise2)
   Exit: (195) [system] compound(_premise2)
   Call: (195) [system] is_list(_premise2)
^  Call: (195) [user] s2tl(_premise2, _1323710)
   Call: (196) [system] compound(_premise2)
   Exit: (196) [system] compound(_premise2)
^  Exit: (195) [user] s2tl(_premise2, _premise2)
^  Exit: (194) [user] s2t(_premise2, _premise2)
   Call: (194) [apply] apply:maplist_([], _1323712, user:s2t)
   Exit: (194) [apply] apply:maplist_([], [], user:s2t)
   Exit: (193) [apply] apply:maplist_([_premise2], [_premise2], user:s2t)
   Exit: (192) [apply] apply:maplist_([_proof2, _premise2], [_proof2, _premise2], user:s2t)
   Exit: (191) [apply] apply:maplist_([:, _proof2, _premise2], [:, _proof2, _premise2], user:s2t)
^  Exit: (190) [apply] apply:maplist(user:s2t, [:, _proof2, _premise2], [:, _proof2, _premise2])
   Call: (190) [system] compound_name_arguments(_1299574, t, [:, _proof2, _premise2])
   Exit: (190) [system] compound_name_arguments(t(:, _proof2, _premise2), t, [:, _proof2, _premise2])
^  Exit: (189) [user] s2t([:, _proof2, _premise2], t(:, _proof2, _premise2))
   Call: (189) [apply] apply:maplist_([[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], _1299576, user:s2t)
^  Call: (190) [user] s2t([synthesize, [:, _proof2, _premise2], _kb, _rb, _k], _1341378)
   Call: (191) [system] compound([synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
   Exit: (191) [system] compound([synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
   Call: (191) [system] synthesize==(->)
   Call: (191) [system] synthesize=='Cons'
   Call: (191) [system] synthesize==(=)
   Call: (191) [system] is_list([synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
   Exit: (191) [system] is_list([synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
^  Call: (191) [user] apply:maplist(s2t, [synthesize, [:, _proof2, _premise2], _kb, _rb, _k], _1348790)
   Call: (192) [apply] apply:maplist_([synthesize, [:, _proof2, _premise2], _kb, _rb, _k], _1348790, user:s2t)
^  Call: (193) [user] s2t(synthesize, _1350670)
   Call: (194) [system] compound(synthesize)
   Call: (194) [system] synthesize=_1350670
   Exit: (194) [system] synthesize=synthesize
^  Exit: (193) [user] s2t(synthesize, synthesize)
   Call: (193) [apply] apply:maplist_([[:, _proof2, _premise2], _kb, _rb, _k], _1350672, user:s2t)
^  Call: (194) [user] s2t([:, _proof2, _premise2], _1356244)
   Call: (195) [system] compound([:, _proof2, _premise2])
   Exit: (195) [system] compound([:, _proof2, _premise2])
   Call: (195) [system] (:)==(->)
   Call: (195) [system] (:)=='Cons'
   Call: (195) [system] (:)==(=)
   Call: (195) [system] is_list([:, _proof2, _premise2])
   Exit: (195) [system] is_list([:, _proof2, _premise2])
^  Call: (195) [user] apply:maplist(s2t, [:, _proof2, _premise2], _1363656)
   Call: (196) [apply] apply:maplist_([:, _proof2, _premise2], _1363656, user:s2t)
^  Call: (197) [user] s2t(:, _1365536)
   Call: (198) [system] compound(:)
   Call: (198) [system] (:)=_1365536
   Exit: (198) [system] (:)=(:)
^  Exit: (197) [user] s2t(:, :)
   Call: (197) [apply] apply:maplist_([_proof2, _premise2], _1365538, user:s2t)
^  Call: (198) [user] s2t(_proof2, _1371110)
   Call: (199) [system] compound(_proof2)
   Exit: (199) [system] compound(_proof2)
   Call: (199) [system] is_list(_proof2)
^  Call: (199) [user] s2tl(_proof2, _1371110)
   Call: (200) [system] compound(_proof2)
   Exit: (200) [system] compound(_proof2)
^  Exit: (199) [user] s2tl(_proof2, _proof2)
^  Exit: (198) [user] s2t(_proof2, _proof2)
   Call: (198) [apply] apply:maplist_([_premise2], _1371112, user:s2t)
^  Call: (199) [user] s2t(_premise2, _1380380)
   Call: (200) [system] compound(_premise2)
   Exit: (200) [system] compound(_premise2)
   Call: (200) [system] is_list(_premise2)
^  Call: (200) [user] s2tl(_premise2, _1380380)
   Call: (201) [system] compound(_premise2)
   Exit: (201) [system] compound(_premise2)
^  Exit: (200) [user] s2tl(_premise2, _premise2)
^  Exit: (199) [user] s2t(_premise2, _premise2)
   Call: (199) [apply] apply:maplist_([], _1380382, user:s2t)
   Exit: (199) [apply] apply:maplist_([], [], user:s2t)
   Exit: (198) [apply] apply:maplist_([_premise2], [_premise2], user:s2t)
   Exit: (197) [apply] apply:maplist_([_proof2, _premise2], [_proof2, _premise2], user:s2t)
   Exit: (196) [apply] apply:maplist_([:, _proof2, _premise2], [:, _proof2, _premise2], user:s2t)
^  Exit: (195) [apply] apply:maplist(user:s2t, [:, _proof2, _premise2], [:, _proof2, _premise2])
   Call: (195) [system] compound_name_arguments(_1356244, t, [:, _proof2, _premise2])
   Exit: (195) [system] compound_name_arguments(t(:, _proof2, _premise2), t, [:, _proof2, _premise2])
^  Exit: (194) [user] s2t([:, _proof2, _premise2], t(:, _proof2, _premise2))
   Call: (194) [apply] apply:maplist_([_kb, _rb, _k], _1356246, user:s2t)
^  Call: (195) [user] s2t(_kb, _1398048)
   Call: (196) [system] compound(_kb)
   Exit: (196) [system] compound(_kb)
   Call: (196) [system] is_list(_kb)
^  Call: (196) [user] s2tl(_kb, _1398048)
   Call: (197) [system] compound(_kb)
   Exit: (197) [system] compound(_kb)
^  Exit: (196) [user] s2tl(_kb, _kb)
^  Exit: (195) [user] s2t(_kb, _kb)
   Call: (195) [apply] apply:maplist_([_rb, _k], _1398050, user:s2t)
^  Call: (196) [user] s2t(_rb, _1407318)
   Call: (197) [system] compound(_rb)
   Exit: (197) [system] compound(_rb)
   Call: (197) [system] is_list(_rb)
^  Call: (197) [user] s2tl(_rb, _1407318)
   Call: (198) [system] compound(_rb)
   Exit: (198) [system] compound(_rb)
^  Exit: (197) [user] s2tl(_rb, _rb)
^  Exit: (196) [user] s2t(_rb, _rb)
   Call: (196) [apply] apply:maplist_([_k], _1407320, user:s2t)
^  Call: (197) [user] s2t(_k, _1416588)
   Call: (198) [system] compound(_k)
   Exit: (198) [system] compound(_k)
   Call: (198) [system] is_list(_k)
^  Call: (198) [user] s2tl(_k, _1416588)
   Call: (199) [system] compound(_k)
   Exit: (199) [system] compound(_k)
^  Exit: (198) [user] s2tl(_k, _k)
^  Exit: (197) [user] s2t(_k, _k)
   Call: (197) [apply] apply:maplist_([], _1416590, user:s2t)
   Exit: (197) [apply] apply:maplist_([], [], user:s2t)
   Exit: (196) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (195) [apply] apply:maplist_([_rb, _k], [_rb, _k], user:s2t)
   Exit: (194) [apply] apply:maplist_([_kb, _rb, _k], [_kb, _rb, _k], user:s2t)
   Exit: (193) [apply] apply:maplist_([[:, _proof2, _premise2], _kb, _rb, _k], [t(:, _proof2, _premise2), _kb, _rb, _k], user:s2t)
   Exit: (192) [apply] apply:maplist_([synthesize, [:, _proof2, _premise2], _kb, _rb, _k], [synthesize, t(:, _proof2, _premise2), _kb, _rb, _k], user:s2t)
^  Exit: (191) [apply] apply:maplist(user:s2t, [synthesize, [:, _proof2, _premise2], _kb, _rb, _k], [synthesize, t(:, _proof2, _premise2), _kb, _rb, _k])
   Call: (191) [system] compound_name_arguments(_1341378, t, [synthesize, t(:, _proof2, _premise2), _kb, _rb, _k])
   Exit: (191) [system] compound_name_arguments(t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k), t, [synthesize, t(:, _proof2, _premise2), _kb, _rb, _k])
^  Exit: (190) [user] s2t([synthesize, [:, _proof2, _premise2], _kb, _rb, _k], t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))
   Call: (190) [apply] apply:maplist_([], _1341380, user:s2t)
   Exit: (190) [apply] apply:maplist_([], [], user:s2t)
   Exit: (189) [apply] apply:maplist_([[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)], user:s2t)
   Exit: (188) [apply] apply:maplist_([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)], user:s2t)
^  Exit: (187) [apply] apply:maplist(user:s2t, [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)])
   Call: (187) [system] compound_name_arguments(_1290282, t, [t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)])
   Exit: (187) [system] compound_name_arguments(t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t, [t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)])
^  Exit: (186) [user] s2t([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)))
   Call: (186) [apply] apply:maplist_([[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _1290284, user:s2t)
^  Call: (187) [user] s2t([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], _1443588)
   Call: (188) [system] compound([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
   Exit: (188) [system] compound([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
   Call: (188) [system] [:, _proof3, _premise3]==(->)
   Call: (188) [system] [:, _proof3, _premise3]=='Cons'
   Call: (188) [system] [:, _proof3, _premise3]==(=)
   Call: (188) [system] is_list([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
   Exit: (188) [system] is_list([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
^  Call: (188) [user] apply:maplist(s2t, [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], _1451000)
   Call: (189) [apply] apply:maplist_([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], _1451000, user:s2t)
^  Call: (190) [user] s2t([:, _proof3, _premise3], _1452880)
   Call: (191) [system] compound([:, _proof3, _premise3])
   Exit: (191) [system] compound([:, _proof3, _premise3])
   Call: (191) [system] (:)==(->)
   Call: (191) [system] (:)=='Cons'
   Call: (191) [system] (:)==(=)
   Call: (191) [system] is_list([:, _proof3, _premise3])
   Exit: (191) [system] is_list([:, _proof3, _premise3])
^  Call: (191) [user] apply:maplist(s2t, [:, _proof3, _premise3], _1460292)
   Call: (192) [apply] apply:maplist_([:, _proof3, _premise3], _1460292, user:s2t)
^  Call: (193) [user] s2t(:, _1462172)
   Call: (194) [system] compound(:)
   Call: (194) [system] (:)=_1462172
   Exit: (194) [system] (:)=(:)
^  Exit: (193) [user] s2t(:, :)
   Call: (193) [apply] apply:maplist_([_proof3, _premise3], _1462174, user:s2t)
^  Call: (194) [user] s2t(_proof3, _1467746)
   Call: (195) [system] compound(_proof3)
   Exit: (195) [system] compound(_proof3)
   Call: (195) [system] is_list(_proof3)
^  Call: (195) [user] s2tl(_proof3, _1467746)
   Call: (196) [system] compound(_proof3)
   Exit: (196) [system] compound(_proof3)
^  Exit: (195) [user] s2tl(_proof3, _proof3)
^  Exit: (194) [user] s2t(_proof3, _proof3)
   Call: (194) [apply] apply:maplist_([_premise3], _1467748, user:s2t)
^  Call: (195) [user] s2t(_premise3, _1477016)
   Call: (196) [system] compound(_premise3)
   Exit: (196) [system] compound(_premise3)
   Call: (196) [system] is_list(_premise3)
^  Call: (196) [user] s2tl(_premise3, _1477016)
   Call: (197) [system] compound(_premise3)
   Exit: (197) [system] compound(_premise3)
^  Exit: (196) [user] s2tl(_premise3, _premise3)
^  Exit: (195) [user] s2t(_premise3, _premise3)
   Call: (195) [apply] apply:maplist_([], _1477018, user:s2t)
   Exit: (195) [apply] apply:maplist_([], [], user:s2t)
   Exit: (194) [apply] apply:maplist_([_premise3], [_premise3], user:s2t)
   Exit: (193) [apply] apply:maplist_([_proof3, _premise3], [_proof3, _premise3], user:s2t)
   Exit: (192) [apply] apply:maplist_([:, _proof3, _premise3], [:, _proof3, _premise3], user:s2t)
^  Exit: (191) [apply] apply:maplist(user:s2t, [:, _proof3, _premise3], [:, _proof3, _premise3])
   Call: (191) [system] compound_name_arguments(_1452880, t, [:, _proof3, _premise3])
   Exit: (191) [system] compound_name_arguments(t(:, _proof3, _premise3), t, [:, _proof3, _premise3])
^  Exit: (190) [user] s2t([:, _proof3, _premise3], t(:, _proof3, _premise3))
   Call: (190) [apply] apply:maplist_([[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], _1452882, user:s2t)
^  Call: (191) [user] s2t([synthesize, [:, _proof3, _premise3], _kb, _rb, _k], _1494684)
   Call: (192) [system] compound([synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
   Exit: (192) [system] compound([synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
   Call: (192) [system] synthesize==(->)
   Call: (192) [system] synthesize=='Cons'
   Call: (192) [system] synthesize==(=)
   Call: (192) [system] is_list([synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
   Exit: (192) [system] is_list([synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
^  Call: (192) [user] apply:maplist(s2t, [synthesize, [:, _proof3, _premise3], _kb, _rb, _k], _1502096)
   Call: (193) [apply] apply:maplist_([synthesize, [:, _proof3, _premise3], _kb, _rb, _k], _1502096, user:s2t)
^  Call: (194) [user] s2t(synthesize, _1503976)
   Call: (195) [system] compound(synthesize)
   Call: (195) [system] synthesize=_1503976
   Exit: (195) [system] synthesize=synthesize
^  Exit: (194) [user] s2t(synthesize, synthesize)
   Call: (194) [apply] apply:maplist_([[:, _proof3, _premise3], _kb, _rb, _k], _1503978, user:s2t)
^  Call: (195) [user] s2t([:, _proof3, _premise3], _1509550)
   Call: (196) [system] compound([:, _proof3, _premise3])
   Exit: (196) [system] compound([:, _proof3, _premise3])
   Call: (196) [system] (:)==(->)
   Call: (196) [system] (:)=='Cons'
   Call: (196) [system] (:)==(=)
   Call: (196) [system] is_list([:, _proof3, _premise3])
   Exit: (196) [system] is_list([:, _proof3, _premise3])
^  Call: (196) [user] apply:maplist(s2t, [:, _proof3, _premise3], _1516962)
   Call: (197) [apply] apply:maplist_([:, _proof3, _premise3], _1516962, user:s2t)
^  Call: (198) [user] s2t(:, _1518842)
   Call: (199) [system] compound(:)
   Call: (199) [system] (:)=_1518842
   Exit: (199) [system] (:)=(:)
^  Exit: (198) [user] s2t(:, :)
   Call: (198) [apply] apply:maplist_([_proof3, _premise3], _1518844, user:s2t)
^  Call: (199) [user] s2t(_proof3, _1524416)
   Call: (200) [system] compound(_proof3)
   Exit: (200) [system] compound(_proof3)
   Call: (200) [system] is_list(_proof3)
^  Call: (200) [user] s2tl(_proof3, _1524416)
   Call: (201) [system] compound(_proof3)
   Exit: (201) [system] compound(_proof3)
^  Exit: (200) [user] s2tl(_proof3, _proof3)
^  Exit: (199) [user] s2t(_proof3, _proof3)
   Call: (199) [apply] apply:maplist_([_premise3], _1524418, user:s2t)
^  Call: (200) [user] s2t(_premise3, _1533686)
   Call: (201) [system] compound(_premise3)
   Exit: (201) [system] compound(_premise3)
   Call: (201) [system] is_list(_premise3)
^  Call: (201) [user] s2tl(_premise3, _1533686)
   Call: (202) [system] compound(_premise3)
   Exit: (202) [system] compound(_premise3)
^  Exit: (201) [user] s2tl(_premise3, _premise3)
^  Exit: (200) [user] s2t(_premise3, _premise3)
   Call: (200) [apply] apply:maplist_([], _1533688, user:s2t)
   Exit: (200) [apply] apply:maplist_([], [], user:s2t)
   Exit: (199) [apply] apply:maplist_([_premise3], [_premise3], user:s2t)
   Exit: (198) [apply] apply:maplist_([_proof3, _premise3], [_proof3, _premise3], user:s2t)
   Exit: (197) [apply] apply:maplist_([:, _proof3, _premise3], [:, _proof3, _premise3], user:s2t)
^  Exit: (196) [apply] apply:maplist(user:s2t, [:, _proof3, _premise3], [:, _proof3, _premise3])
   Call: (196) [system] compound_name_arguments(_1509550, t, [:, _proof3, _premise3])
   Exit: (196) [system] compound_name_arguments(t(:, _proof3, _premise3), t, [:, _proof3, _premise3])
^  Exit: (195) [user] s2t([:, _proof3, _premise3], t(:, _proof3, _premise3))
   Call: (195) [apply] apply:maplist_([_kb, _rb, _k], _1509552, user:s2t)
^  Call: (196) [user] s2t(_kb, _1551354)
   Call: (197) [system] compound(_kb)
   Exit: (197) [system] compound(_kb)
   Call: (197) [system] is_list(_kb)
^  Call: (197) [user] s2tl(_kb, _1551354)
   Call: (198) [system] compound(_kb)
   Exit: (198) [system] compound(_kb)
^  Exit: (197) [user] s2tl(_kb, _kb)
^  Exit: (196) [user] s2t(_kb, _kb)
   Call: (196) [apply] apply:maplist_([_rb, _k], _1551356, user:s2t)
^  Call: (197) [user] s2t(_rb, _1560624)
   Call: (198) [system] compound(_rb)
   Exit: (198) [system] compound(_rb)
   Call: (198) [system] is_list(_rb)
^  Call: (198) [user] s2tl(_rb, _1560624)
   Call: (199) [system] compound(_rb)
   Exit: (199) [system] compound(_rb)
^  Exit: (198) [user] s2tl(_rb, _rb)
^  Exit: (197) [user] s2t(_rb, _rb)
   Call: (197) [apply] apply:maplist_([_k], _1560626, user:s2t)
^  Call: (198) [user] s2t(_k, _1569894)
   Call: (199) [system] compound(_k)
   Exit: (199) [system] compound(_k)
   Call: (199) [system] is_list(_k)
^  Call: (199) [user] s2tl(_k, _1569894)
   Call: (200) [system] compound(_k)
   Exit: (200) [system] compound(_k)
^  Exit: (199) [user] s2tl(_k, _k)
^  Exit: (198) [user] s2t(_k, _k)
   Call: (198) [apply] apply:maplist_([], _1569896, user:s2t)
   Exit: (198) [apply] apply:maplist_([], [], user:s2t)
   Exit: (197) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (196) [apply] apply:maplist_([_rb, _k], [_rb, _k], user:s2t)
   Exit: (195) [apply] apply:maplist_([_kb, _rb, _k], [_kb, _rb, _k], user:s2t)
   Exit: (194) [apply] apply:maplist_([[:, _proof3, _premise3], _kb, _rb, _k], [t(:, _proof3, _premise3), _kb, _rb, _k], user:s2t)
   Exit: (193) [apply] apply:maplist_([synthesize, [:, _proof3, _premise3], _kb, _rb, _k], [synthesize, t(:, _proof3, _premise3), _kb, _rb, _k], user:s2t)
^  Exit: (192) [apply] apply:maplist(user:s2t, [synthesize, [:, _proof3, _premise3], _kb, _rb, _k], [synthesize, t(:, _proof3, _premise3), _kb, _rb, _k])
   Call: (192) [system] compound_name_arguments(_1494684, t, [synthesize, t(:, _proof3, _premise3), _kb, _rb, _k])
   Exit: (192) [system] compound_name_arguments(t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k), t, [synthesize, t(:, _proof3, _premise3), _kb, _rb, _k])
^  Exit: (191) [user] s2t([synthesize, [:, _proof3, _premise3], _kb, _rb, _k], t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))
   Call: (191) [apply] apply:maplist_([], _1494686, user:s2t)
   Exit: (191) [apply] apply:maplist_([], [], user:s2t)
   Exit: (190) [apply] apply:maplist_([[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)], user:s2t)
   Exit: (189) [apply] apply:maplist_([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)], user:s2t)
^  Exit: (188) [apply] apply:maplist(user:s2t, [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)])
   Call: (188) [system] compound_name_arguments(_1443588, t, [t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)])
   Exit: (188) [system] compound_name_arguments(t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t, [t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)])
^  Exit: (187) [user] s2t([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)))
   Call: (187) [apply] apply:maplist_([], _1443590, user:s2t)
   Exit: (187) [apply] apply:maplist_([], [], user:s2t)
   Exit: (186) [apply] apply:maplist_([[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], [t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))], user:s2t)
   Exit: (185) [apply] apply:maplist_([[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], [t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))], user:s2t)
   Exit: (184) [apply] apply:maplist_([[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], [t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))], user:s2t)
   Exit: (183) [apply] apply:maplist_([[[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], [t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))], user:s2t)
   Exit: (182) [apply] apply:maplist_([[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], [t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))], user:s2t)
^  Exit: (181) [apply] apply:maplist(user:s2t, [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], [t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))])
   Call: (181) [system] compound_name_arguments(_877862, t, [t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))])
   Exit: (181) [system] compound_name_arguments(t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), t, [t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))])
^  Exit: (180) [user] s2t([[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))))
   Call: (180) [apply] apply:maplist_([_query], _877864, user:s2t)
^  Call: (181) [user] s2t(_query, _1607160)
   Call: (182) [system] compound(_query)
   Exit: (182) [system] compound(_query)
   Call: (182) [system] is_list(_query)
^  Call: (182) [user] s2tl(_query, _1607160)
   Call: (183) [system] compound(_query)
   Exit: (183) [system] compound(_query)
^  Exit: (182) [user] s2tl(_query, _query)
^  Exit: (181) [user] s2t(_query, _query)
   Call: (181) [apply] apply:maplist_([], _1607162, user:s2t)
   Exit: (181) [apply] apply:maplist_([], [], user:s2t)
   Exit: (180) [apply] apply:maplist_([_query], [_query], user:s2t)
   Exit: (179) [apply] apply:maplist_([[[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query], [t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query], user:s2t)
   Exit: (178) [apply] apply:maplist_(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query], ['let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query], user:s2t)
^  Exit: (177) [apply] apply:maplist(user:s2t, ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query], ['let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query])
   Call: (177) [system] compound_name_arguments(_862996, t, ['let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query])
   Exit: (177) [system] compound_name_arguments(t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query), t, ['let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query])
^  Exit: (176) [user] s2t(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query], t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query))
^  Call: (176) [user] s2tl([], _862998)
   Call: (177) [system] compound([])
   Call: (177) [system] []=_862998
   Exit: (177) [system] []=[]
^  Exit: (176) [user] s2tl([], [])
^  Exit: (175) [user] s2tl([['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)])
^  Exit: (174) [user] s2tl([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)])
^  Exit: (173) [user] s2tl([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)])
^  Exit: (172) [user] s2t_iz(ynthesize_long_1727204587_629323, ynthesize_long_1727204587_629323, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)])
^  Call: (172) [user] relistify([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)], _1632250)
   Call: (173) [system] is_list([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)])
   Exit: (173) [system] is_list([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)])
   Call: (173) [system] _1632250=[=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)]
   Exit: (173) [system] [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)]=[=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)]
^  Exit: (172) [user] relistify([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)], [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)])
   Call: (172) [system] _1637812=..[ynthesize_long_1727204587_629323, 114, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)]
   Exit: (172) [system] ynthesize_long_1727204587_629323(114, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query))=..[ynthesize_long_1727204587_629323, 114, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)]
^  Call: (172) [user] format((0x563acd7397e0), "~q.~n", [ynthesize_long_1727204587_629323(114, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query))])
^  Exit: (172) [user] format((0x563acd7397e0), "~q.~n", [ynthesize_long_1727204587_629323(114, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query))])
^  Exit: (171) [user] write_metta_datalog_term((0x563acd7397e0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], ynthesize_long_1727204587_629323, 114)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1727204596.0891678), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204596.0891678), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]), 114]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 23, 23+1), write_metta_datalog_term((0x563acd7397e0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], ynthesize_long_1727204587_629323, 114)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x563acd73bee0))
   Fail: (169) [system] at_end_of_stream((0x563acd73bee0))
^  Call: (169) [user] must_det_ll(line_count((0x563acd73bee0), _3074))
^  Call: (170) [user] once(user:line_count((0x563acd73bee0), _3074))
   Call: (171) [system] line_count((0x563acd73bee0), _3074)
   Exit: (171) [system] line_count((0x563acd73bee0), 115)
^  Exit: (170) [system] once(user:line_count((0x563acd73bee0), 115))
^  Exit: (169) [user] must_det_ll(user:line_count((0x563acd73bee0), 115))
^  Call: (169) [user] must_det_ll(read_sform((0x563acd73bee0), _3084))
^  Call: (170) [user] once(user:read_sform((0x563acd73bee0), _3084))
^  Call: (171) [user] read_sform((0x563acd73bee0), _3084)
   Call: (172) [system] string((0x563acd73bee0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
   Call: (173) [system] string((0x563acd73bee0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), _3084)
   Call: (174) [system] at_end_of_stream((0x563acd73bee0))
   Call: (174) [system] peek_char((0x563acd73bee0), _1663004)
   Exit: (174) [system] peek_char((0x563acd73bee0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x563acd73bee0), '\n')
   Exit: (174) [system] get_char((0x563acd73bee0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x563acd73bee0), _3084)
   Call: (175) [system] at_end_of_stream((0x563acd73bee0))
   Call: (175) [system] peek_char((0x563acd73bee0), _1670426)
   Exit: (175) [system] peek_char((0x563acd73bee0), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
   Call: (176) [system] string((0x563acd73bee0))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), _3084)
   Call: (177) [system] at_end_of_stream((0x563acd73bee0))
   Call: (177) [system] peek_char((0x563acd73bee0), _1678764)
   Exit: (177) [system] peek_char((0x563acd73bee0), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _1681550=(0x563acd73bee0)
   Exit: (177) [system] (0x563acd73bee0)=(0x563acd73bee0)
^  Call: (177) [user] once((read_position((0x563acd73bee0), _1683418, _1683420, _1683422, _1683424), read_sexpr((0x563acd73bee0), _1683436), assertz(metta_file_comment(_1683418, _1683420, _1683422, _1683436, _1683424))))
^  Call: (179) [user] read_position((0x563acd73bee0), _1683418, _1683420, _1683422, _1683424)
   Call: (180) [system] stream_property((0x563acd73bee0), position(_1683424))
   Call: (181) [system] nonvar((0x563acd73bee0))
   Exit: (181) [system] nonvar((0x563acd73bee0))
   Call: (181) [system] nonvar(position(_1683424))
   Exit: (181) [system] nonvar(position(_1683424))
   Exit: (180) [system] stream_property((0x563acd73bee0), position('$stream_position'(4769, 116, 0, 4769)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4769, 116, 0, 4769), _1683418)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _1693676)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(4769, 116, 0, 4769), _1683418)
   Exit: (181) [system] arg(2, '$stream_position'(4769, 116, 0, 4769), 116)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4769, 116, 0, 4769), 116)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4769, 116, 0, 4769), _1683420)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _1701110)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(4769, 116, 0, 4769), _1683420)
   Exit: (181) [system] arg(3, '$stream_position'(4769, 116, 0, 4769), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4769, 116, 0, 4769), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4769, 116, 0, 4769), _1683422)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _1708544)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(4769, 116, 0, 4769), _1683422)
   Exit: (181) [system] arg(1, '$stream_position'(4769, 116, 0, 4769), 4769)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4769, 116, 0, 4769), 4769)
^  Exit: (179) [user] read_position((0x563acd73bee0), 116, 0, 4769, '$stream_position'(4769, 116, 0, 4769))
^  Call: (179) [user] read_sexpr((0x563acd73bee0), _1683436)
   Call: (180) [system] string((0x563acd73bee0))
   Fail: (180) [system] string((0x563acd73bee0))
^  Call: (180) [user] cont_sexpr(')', (0x563acd73bee0), _1683436)
^  Call: (181) [user] skip_spaces((0x563acd73bee0))
   Call: (182) [system] peek_char((0x563acd73bee0), _1718770)
   Exit: (182) [system] peek_char((0x563acd73bee0), '(')
   Call: (182) [system] '('=(;)
   Fail: (182) [system] '('=(;)
   Call: (182) [system] '('=(/)
   Fail: (182) [system] '('=(/)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Fail: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Fail: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Fail: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
   Fail: (183) [system] char_type('(', cntrl)
^  Fail: (182) [user] is_like_space('(')
^  Exit: (181) [user] skip_spaces((0x563acd73bee0))
   Call: (181) [system] get_char((0x563acd73bee0), _1734780)
   Exit: (181) [system] get_char((0x563acd73bee0), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x563acd73bee0), _1683436)
^  Call: (182) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] peek_char((0x563acd73bee0), _1740350)
   Exit: (183) [system] peek_char((0x563acd73bee0), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
   Call: (183) [system] (=)=(/)
   Fail: (183) [system] (=)=(/)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x563acd73bee0))
   Call: (182) [system] peek_char((0x563acd73bee0), _1756360)
   Exit: (182) [system] peek_char((0x563acd73bee0), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x563acd73bee0), _1761930)
^  Call: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _1763788)
   Exit: (184) [system] peek_char((0x563acd73bee0), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
   Call: (184) [system] (=)=(/)
   Fail: (184) [system] (=)=(/)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] get_char((0x563acd73bee0), _1779798)
   Exit: (183) [system] get_char((0x563acd73bee0), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x563acd73bee0), =, _1761930)
^  Call: (184) [user] read_symbolic_cont(')', (0x563acd73bee0), _1797440)
   Call: (185) [system] peek_char((0x563acd73bee0), _1798374)
   Exit: (185) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _1797440=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (184) [user] classify_and_convert_charseq([=], _1761930)
^  Call: (185) [user] classify_and_convert_charseq_([=], _1807658)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_1808610, _1808612), once(user:catch(read_from_chars([=], _1807658), _1808592, fail)), '$restore_trace'(_1808610, _1808612))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_1808610, _1808612))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _1808592, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(=)
   Exit: (186) [system] atomic(=)
^  Exit: (185) [user] classify_and_convert_charseq_([=], =)
   Call: (185) [system] integer(=)
   Fail: (185) [system] integer(=)
   Call: (185) [system] _1761930=(=)
   Exit: (185) [system] (=)=(=)
^  Exit: (184) [user] classify_and_convert_charseq([=], =)
^  Exit: (183) [user] read_symbolic(')', (0x563acd73bee0), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x563acd73bee0), =)
^  Call: (182) [user] read_list(')', (0x563acd73bee0), _1820738)
^  Call: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _1822596)
   Exit: (184) [system] peek_char((0x563acd73bee0), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
   Call: (184) [system] ' '=(/)
   Fail: (184) [system] ' '=(/)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x563acd73bee0), _1832190)
   Exit: (184) [system] get_char((0x563acd73bee0), ' ')
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _1834894)
   Exit: (185) [system] peek_char((0x563acd73bee0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
^  Exit: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] peek_char((0x563acd73bee0), _1851828)
   Exit: (183) [system] peek_char((0x563acd73bee0), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x563acd73bee0), _1857398)
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _1859256)
   Exit: (185) [system] peek_char((0x563acd73bee0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] get_char((0x563acd73bee0), _1875266)
   Exit: (184) [system] get_char((0x563acd73bee0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x563acd73bee0), _1857398)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1880836)
   Exit: (186) [system] peek_char((0x563acd73bee0), r)
   Call: (186) [system] r=(;)
   Fail: (186) [system] r=(;)
   Call: (186) [system] r=(/)
   Fail: (186) [system] r=(/)
^  Call: (186) [user] is_like_space(r)
   Call: (187) [system] char_type(r, 'white')
   Fail: (187) [system] char_type(r, 'white')
   Call: (187) [system] char_type(r, end_of_line)
   Fail: (187) [system] char_type(r, end_of_line)
   Call: (187) [system] char_type(r, space)
   Fail: (187) [system] char_type(r, space)
   Call: (187) [system] char_type(r, cntrl)
   Fail: (187) [system] char_type(r, cntrl)
^  Fail: (186) [user] is_like_space(r)
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _1896846)
   Exit: (185) [system] peek_char((0x563acd73bee0), r)
   Call: (185) [system] r=')'
   Fail: (185) [system] r=')'
   Call: (185) [system] r=end_of_file
   Fail: (185) [system] r=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x563acd73bee0), _1902416)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _1904274)
   Exit: (187) [system] peek_char((0x563acd73bee0), r)
   Call: (187) [system] r=(;)
   Fail: (187) [system] r=(;)
   Call: (187) [system] r=(/)
   Fail: (187) [system] r=(/)
^  Call: (187) [user] is_like_space(r)
   Call: (188) [system] char_type(r, 'white')
   Fail: (188) [system] char_type(r, 'white')
   Call: (188) [system] char_type(r, end_of_line)
   Fail: (188) [system] char_type(r, end_of_line)
   Call: (188) [system] char_type(r, space)
   Fail: (188) [system] char_type(r, space)
   Call: (188) [system] char_type(r, cntrl)
   Fail: (188) [system] char_type(r, cntrl)
^  Fail: (187) [user] is_like_space(r)
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] get_char((0x563acd73bee0), _1920284)
   Exit: (186) [system] get_char((0x563acd73bee0), r)
   Call: (186) [system] r='('
   Fail: (186) [system] r='('
   Call: (186) [system] r='['
   Fail: (186) [system] r='['
   Call: (186) [system] r='{'
   Fail: (186) [system] r='{'
   Call: (186) [system] r='"'
   Fail: (186) [system] r='"'
   Call: (186) [system] r=!
   Fail: (186) [system] r=!
   Call: (186) [system] r='\''
   Fail: (186) [system] r='\''
   Call: (186) [system] r='`'
   Fail: (186) [system] r='`'
   Call: (186) [system] r=end_of_file
   Fail: (186) [system] r=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x563acd73bee0), r, _1902416)
^  Call: (187) [user] read_symbolic_cont(')', (0x563acd73bee0), _1937926)
   Call: (188) [system] peek_char((0x563acd73bee0), _1938860)
   Exit: (188) [system] peek_char((0x563acd73bee0), b)
^  Call: (188) [user] is_delimiter(b)
   Call: (189) [system] char_type(b, space)
   Fail: (189) [system] char_type(b, space)
   Call: (189) [system] arg(_1943580, v('(', ')', end_of_file), b)
   Fail: (189) [system] arg(_1944512, v('(', ')', end_of_file), b)
^  Fail: (188) [user] is_delimiter(b)
   Call: (188) [system] ')'==b
   Fail: (188) [system] ')'==b
   Call: (188) [system] get_char((0x563acd73bee0), b)
   Exit: (188) [system] get_char((0x563acd73bee0), b)
   Call: (188) [system] b=(\)
   Fail: (188) [system] b=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), _1951862)
   Call: (189) [system] peek_char((0x563acd73bee0), _1952796)
   Exit: (189) [system] peek_char((0x563acd73bee0), ')')
^  Call: (189) [user] is_delimiter(')')
   Call: (190) [system] char_type(')', space)
   Fail: (190) [system] char_type(')', space)
   Call: (190) [system] arg(_1957516, v('(', ')', end_of_file), ')')
   Exit: (190) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (189) [user] is_delimiter(')')
   Call: (189) [system] _1951862=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (188) [system] _1937926=[b]
   Exit: (188) [system] [b]=[b]
^  Exit: (187) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
^  Call: (187) [user] classify_and_convert_charseq([r, b], _1902416)
^  Call: (188) [user] classify_and_convert_charseq_([r, b], _1966746)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_1967698, _1967700), once(user:catch(read_from_chars([r, b], _1966746), _1967680, fail)), '$restore_trace'(_1967698, _1967700))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_1967698, _1967700))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([r, b], rb), _1967680, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(rb)
   Exit: (189) [system] atomic(rb)
^  Exit: (188) [user] classify_and_convert_charseq_([r, b], rb)
   Call: (188) [system] integer(rb)
   Fail: (188) [system] integer(rb)
   Call: (188) [system] _1902416=rb
   Exit: (188) [system] rb=rb
^  Exit: (187) [user] classify_and_convert_charseq([r, b], rb)
^  Exit: (186) [user] read_symbolic(')', (0x563acd73bee0), r, rb)
^  Exit: (185) [user] cont_sexpr(')', (0x563acd73bee0), rb)
^  Call: (185) [user] read_list(')', (0x563acd73bee0), _1979826)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _1981684)
   Exit: (187) [system] peek_char((0x563acd73bee0), ')')
   Call: (187) [system] ')'=(;)
   Fail: (187) [system] ')'=(;)
   Call: (187) [system] ')'=(/)
   Fail: (187) [system] ')'=(/)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Fail: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Fail: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Fail: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
   Fail: (188) [system] char_type(')', cntrl)
^  Fail: (187) [user] is_like_space(')')
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1997694)
   Exit: (186) [system] peek_char((0x563acd73bee0), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x563acd73bee0), _2001484)
   Exit: (186) [system] get_char((0x563acd73bee0), ')')
   Call: (186) [system] _1979826=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x563acd73bee0), [])
   Call: (185) [system] _1857398=[rb]
   Exit: (185) [system] [rb]=[rb]
^  Exit: (184) [user] read_list(')', (0x563acd73bee0), [rb])
^  Exit: (183) [user] cont_sexpr(')', (0x563acd73bee0), [rb])
^  Call: (183) [user] read_list(')', (0x563acd73bee0), _2009778)
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _2011636)
   Exit: (185) [system] peek_char((0x563acd73bee0), ' ')
   Call: (185) [system] ' '=(;)
   Fail: (185) [system] ' '=(;)
   Call: (185) [system] ' '=(/)
   Fail: (185) [system] ' '=(/)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x563acd73bee0), _2021230)
   Exit: (185) [system] get_char((0x563acd73bee0), ' ')
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _2023934)
   Exit: (186) [system] peek_char((0x563acd73bee0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _2040868)
   Exit: (184) [system] peek_char((0x563acd73bee0), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x563acd73bee0), _2046438)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _2048296)
   Exit: (186) [system] peek_char((0x563acd73bee0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
   Call: (186) [system] '('=(/)
   Fail: (186) [system] '('=(/)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] get_char((0x563acd73bee0), _2064306)
   Exit: (185) [system] get_char((0x563acd73bee0), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x563acd73bee0), _2046438)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _2069876)
   Exit: (187) [system] peek_char((0x563acd73bee0), :)
   Call: (187) [system] (:)=(;)
   Fail: (187) [system] (:)=(;)
   Call: (187) [system] (:)=(/)
   Fail: (187) [system] (:)=(/)
^  Call: (187) [user] is_like_space(:)
   Call: (188) [system] char_type(:, 'white')
   Fail: (188) [system] char_type(:, 'white')
   Call: (188) [system] char_type(:, end_of_line)
   Fail: (188) [system] char_type(:, end_of_line)
   Call: (188) [system] char_type(:, space)
   Fail: (188) [system] char_type(:, space)
   Call: (188) [system] char_type(:, cntrl)
   Fail: (188) [system] char_type(:, cntrl)
^  Fail: (187) [user] is_like_space(:)
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _2085886)
   Exit: (186) [system] peek_char((0x563acd73bee0), :)
   Call: (186) [system] (:)=')'
   Fail: (186) [system] (:)=')'
   Call: (186) [system] (:)=end_of_file
   Fail: (186) [system] (:)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x563acd73bee0), _2091456)
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _2093314)
   Exit: (188) [system] peek_char((0x563acd73bee0), :)
   Call: (188) [system] (:)=(;)
   Fail: (188) [system] (:)=(;)
   Call: (188) [system] (:)=(/)
   Fail: (188) [system] (:)=(/)
^  Call: (188) [user] is_like_space(:)
   Call: (189) [system] char_type(:, 'white')
   Fail: (189) [system] char_type(:, 'white')
   Call: (189) [system] char_type(:, end_of_line)
   Fail: (189) [system] char_type(:, end_of_line)
   Call: (189) [system] char_type(:, space)
   Fail: (189) [system] char_type(:, space)
   Call: (189) [system] char_type(:, cntrl)
   Fail: (189) [system] char_type(:, cntrl)
^  Fail: (188) [user] is_like_space(:)
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] get_char((0x563acd73bee0), _16036)
   Exit: (187) [system] get_char((0x563acd73bee0), :)
   Call: (187) [system] (:)='('
   Fail: (187) [system] (:)='('
   Call: (187) [system] (:)='['
   Fail: (187) [system] (:)='['
   Call: (187) [system] (:)='{'
   Fail: (187) [system] (:)='{'
   Call: (187) [system] (:)='"'
   Fail: (187) [system] (:)='"'
   Call: (187) [system] (:)=!
   Fail: (187) [system] (:)=!
   Call: (187) [system] (:)='\''
   Fail: (187) [system] (:)='\''
   Call: (187) [system] (:)='`'
   Fail: (187) [system] (:)='`'
   Call: (187) [system] (:)=end_of_file
   Fail: (187) [system] (:)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x563acd73bee0), :, _3384)
^  Call: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), _33678)
   Call: (189) [system] peek_char((0x563acd73bee0), _34612)
   Exit: (189) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (189) [user] is_delimiter(' ')
   Call: (190) [system] char_type(' ', space)
   Exit: (190) [system] char_type(' ', space)
^  Exit: (189) [user] is_delimiter(' ')
   Call: (189) [system] _33678=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (188) [user] classify_and_convert_charseq([:], _3384)
^  Call: (189) [user] classify_and_convert_charseq_([:], _43896)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_44848, _44850), once(user:catch(read_from_chars([:], _43896), _44830, fail)), '$restore_trace'(_44848, _44850))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_44848, _44850))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _44830, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(:)
   Exit: (190) [system] atomic(:)
^  Exit: (189) [user] classify_and_convert_charseq_([:], :)
   Call: (189) [system] integer(:)
   Fail: (189) [system] integer(:)
   Call: (189) [system] _3384=(:)
   Exit: (189) [system] (:)=(:)
^  Exit: (188) [user] classify_and_convert_charseq([:], :)
^  Exit: (187) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (186) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (186) [user] read_list(')', (0x563acd73bee0), _56976)
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _58834)
   Exit: (188) [system] peek_char((0x563acd73bee0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x563acd73bee0), _68428)
   Exit: (188) [system] get_char((0x563acd73bee0), ' ')
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _71132)
   Exit: (189) [system] peek_char((0x563acd73bee0), 'D')
   Call: (189) [system] 'D'=(;)
   Fail: (189) [system] 'D'=(;)
   Call: (189) [system] 'D'=(/)
   Fail: (189) [system] 'D'=(/)
^  Call: (189) [user] is_like_space('D')
   Call: (190) [system] char_type('D', 'white')
   Fail: (190) [system] char_type('D', 'white')
   Call: (190) [system] char_type('D', end_of_line)
   Fail: (190) [system] char_type('D', end_of_line)
   Call: (190) [system] char_type('D', space)
   Fail: (190) [system] char_type('D', space)
   Call: (190) [system] char_type('D', cntrl)
   Fail: (190) [system] char_type('D', cntrl)
^  Fail: (189) [user] is_like_space('D')
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _88066)
   Exit: (187) [system] peek_char((0x563acd73bee0), 'D')
   Call: (187) [system] 'D'=')'
   Fail: (187) [system] 'D'=')'
   Call: (187) [system] 'D'=end_of_file
   Fail: (187) [system] 'D'=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x563acd73bee0), _93636)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _95494)
   Exit: (189) [system] peek_char((0x563acd73bee0), 'D')
   Call: (189) [system] 'D'=(;)
   Fail: (189) [system] 'D'=(;)
   Call: (189) [system] 'D'=(/)
   Fail: (189) [system] 'D'=(/)
^  Call: (189) [user] is_like_space('D')
   Call: (190) [system] char_type('D', 'white')
   Fail: (190) [system] char_type('D', 'white')
   Call: (190) [system] char_type('D', end_of_line)
   Fail: (190) [system] char_type('D', end_of_line)
   Call: (190) [system] char_type('D', space)
   Fail: (190) [system] char_type('D', space)
   Call: (190) [system] char_type('D', cntrl)
   Fail: (190) [system] char_type('D', cntrl)
^  Fail: (189) [user] is_like_space('D')
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] get_char((0x563acd73bee0), _111504)
   Exit: (188) [system] get_char((0x563acd73bee0), 'D')
   Call: (188) [system] 'D'='('
   Fail: (188) [system] 'D'='('
   Call: (188) [system] 'D'='['
   Fail: (188) [system] 'D'='['
   Call: (188) [system] 'D'='{'
   Fail: (188) [system] 'D'='{'
   Call: (188) [system] 'D'='"'
   Fail: (188) [system] 'D'='"'
   Call: (188) [system] 'D'=!
   Fail: (188) [system] 'D'=!
   Call: (188) [system] 'D'='\''
   Fail: (188) [system] 'D'='\''
   Call: (188) [system] 'D'='`'
   Fail: (188) [system] 'D'='`'
   Call: (188) [system] 'D'=end_of_file
   Fail: (188) [system] 'D'=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x563acd73bee0), 'D', _93636)
^  Call: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), _129146)
   Call: (190) [system] peek_char((0x563acd73bee0), _130080)
   Exit: (190) [system] peek_char((0x563acd73bee0), i)
^  Call: (190) [user] is_delimiter(i)
   Call: (191) [system] char_type(i, space)
   Fail: (191) [system] char_type(i, space)
   Call: (191) [system] arg(_134800, v('(', ')', end_of_file), i)
   Fail: (191) [system] arg(_135732, v('(', ')', end_of_file), i)
^  Fail: (190) [user] is_delimiter(i)
   Call: (190) [system] ')'==i
   Fail: (190) [system] ')'==i
   Call: (190) [system] get_char((0x563acd73bee0), i)
   Exit: (190) [system] get_char((0x563acd73bee0), i)
   Call: (190) [system] i=(\)
   Fail: (190) [system] i=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), _143082)
   Call: (191) [system] peek_char((0x563acd73bee0), _144016)
   Exit: (191) [system] peek_char((0x563acd73bee0), s)
^  Call: (191) [user] is_delimiter(s)
   Call: (192) [system] char_type(s, space)
   Fail: (192) [system] char_type(s, space)
   Call: (192) [system] arg(_148736, v('(', ')', end_of_file), s)
   Fail: (192) [system] arg(_149668, v('(', ')', end_of_file), s)
^  Fail: (191) [user] is_delimiter(s)
   Call: (191) [system] ')'==s
   Fail: (191) [system] ')'==s
   Call: (191) [system] get_char((0x563acd73bee0), s)
   Exit: (191) [system] get_char((0x563acd73bee0), s)
   Call: (191) [system] s=(\)
   Fail: (191) [system] s=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), _157018)
   Call: (192) [system] peek_char((0x563acd73bee0), _157952)
   Exit: (192) [system] peek_char((0x563acd73bee0), j)
^  Call: (192) [user] is_delimiter(j)
   Call: (193) [system] char_type(j, space)
   Fail: (193) [system] char_type(j, space)
   Call: (193) [system] arg(_162672, v('(', ')', end_of_file), j)
   Fail: (193) [system] arg(_163604, v('(', ')', end_of_file), j)
^  Fail: (192) [user] is_delimiter(j)
   Call: (192) [system] ')'==j
   Fail: (192) [system] ')'==j
   Call: (192) [system] get_char((0x563acd73bee0), j)
   Exit: (192) [system] get_char((0x563acd73bee0), j)
   Call: (192) [system] j=(\)
   Fail: (192) [system] j=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), _170954)
   Call: (193) [system] peek_char((0x563acd73bee0), _171888)
   Exit: (193) [system] peek_char((0x563acd73bee0), u)
^  Call: (193) [user] is_delimiter(u)
   Call: (194) [system] char_type(u, space)
   Fail: (194) [system] char_type(u, space)
   Call: (194) [system] arg(_176608, v('(', ')', end_of_file), u)
   Fail: (194) [system] arg(_177540, v('(', ')', end_of_file), u)
^  Fail: (193) [user] is_delimiter(u)
   Call: (193) [system] ')'==u
   Fail: (193) [system] ')'==u
   Call: (193) [system] get_char((0x563acd73bee0), u)
   Exit: (193) [system] get_char((0x563acd73bee0), u)
   Call: (193) [system] u=(\)
   Fail: (193) [system] u=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _184890)
   Call: (194) [system] peek_char((0x563acd73bee0), _185824)
   Exit: (194) [system] peek_char((0x563acd73bee0), n)
^  Call: (194) [user] is_delimiter(n)
   Call: (195) [system] char_type(n, space)
   Fail: (195) [system] char_type(n, space)
   Call: (195) [system] arg(_190544, v('(', ')', end_of_file), n)
   Fail: (195) [system] arg(_191476, v('(', ')', end_of_file), n)
^  Fail: (194) [user] is_delimiter(n)
   Call: (194) [system] ')'==n
   Fail: (194) [system] ')'==n
   Call: (194) [system] get_char((0x563acd73bee0), n)
   Exit: (194) [system] get_char((0x563acd73bee0), n)
   Call: (194) [system] n=(\)
   Fail: (194) [system] n=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _198826)
   Call: (195) [system] peek_char((0x563acd73bee0), _199760)
   Exit: (195) [system] peek_char((0x563acd73bee0), c)
^  Call: (195) [user] is_delimiter(c)
   Call: (196) [system] char_type(c, space)
   Fail: (196) [system] char_type(c, space)
   Call: (196) [system] arg(_204480, v('(', ')', end_of_file), c)
   Fail: (196) [system] arg(_205412, v('(', ')', end_of_file), c)
^  Fail: (195) [user] is_delimiter(c)
   Call: (195) [system] ')'==c
   Fail: (195) [system] ')'==c
   Call: (195) [system] get_char((0x563acd73bee0), c)
   Exit: (195) [system] get_char((0x563acd73bee0), c)
   Call: (195) [system] c=(\)
   Fail: (195) [system] c=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _212762)
   Call: (196) [system] peek_char((0x563acd73bee0), _213696)
   Exit: (196) [system] peek_char((0x563acd73bee0), t)
^  Call: (196) [user] is_delimiter(t)
   Call: (197) [system] char_type(t, space)
   Fail: (197) [system] char_type(t, space)
   Call: (197) [system] arg(_218416, v('(', ')', end_of_file), t)
   Fail: (197) [system] arg(_219348, v('(', ')', end_of_file), t)
^  Fail: (196) [user] is_delimiter(t)
   Call: (196) [system] ')'==t
   Fail: (196) [system] ')'==t
   Call: (196) [system] get_char((0x563acd73bee0), t)
   Exit: (196) [system] get_char((0x563acd73bee0), t)
   Call: (196) [system] t=(\)
   Fail: (196) [system] t=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _226698)
   Call: (197) [system] peek_char((0x563acd73bee0), _227632)
   Exit: (197) [system] peek_char((0x563acd73bee0), i)
^  Call: (197) [user] is_delimiter(i)
   Call: (198) [system] char_type(i, space)
   Fail: (198) [system] char_type(i, space)
   Call: (198) [system] arg(_232352, v('(', ')', end_of_file), i)
   Fail: (198) [system] arg(_233284, v('(', ')', end_of_file), i)
^  Fail: (197) [user] is_delimiter(i)
   Call: (197) [system] ')'==i
   Fail: (197) [system] ')'==i
   Call: (197) [system] get_char((0x563acd73bee0), i)
   Exit: (197) [system] get_char((0x563acd73bee0), i)
   Call: (197) [system] i=(\)
   Fail: (197) [system] i=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _240634)
   Call: (198) [system] peek_char((0x563acd73bee0), _241568)
   Exit: (198) [system] peek_char((0x563acd73bee0), o)
^  Call: (198) [user] is_delimiter(o)
   Call: (199) [system] char_type(o, space)
   Fail: (199) [system] char_type(o, space)
   Call: (199) [system] arg(_246288, v('(', ')', end_of_file), o)
   Fail: (199) [system] arg(_247220, v('(', ')', end_of_file), o)
^  Fail: (198) [user] is_delimiter(o)
   Call: (198) [system] ')'==o
   Fail: (198) [system] ')'==o
   Call: (198) [system] get_char((0x563acd73bee0), o)
   Exit: (198) [system] get_char((0x563acd73bee0), o)
   Call: (198) [system] o=(\)
   Fail: (198) [system] o=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _254570)
   Call: (199) [system] peek_char((0x563acd73bee0), _255504)
   Exit: (199) [system] peek_char((0x563acd73bee0), n)
^  Call: (199) [user] is_delimiter(n)
   Call: (200) [system] char_type(n, space)
   Fail: (200) [system] char_type(n, space)
   Call: (200) [system] arg(_260224, v('(', ')', end_of_file), n)
   Fail: (200) [system] arg(_261156, v('(', ')', end_of_file), n)
^  Fail: (199) [user] is_delimiter(n)
   Call: (199) [system] ')'==n
   Fail: (199) [system] ')'==n
   Call: (199) [system] get_char((0x563acd73bee0), n)
   Exit: (199) [system] get_char((0x563acd73bee0), n)
   Call: (199) [system] n=(\)
   Fail: (199) [system] n=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _268506)
   Call: (200) [system] peek_char((0x563acd73bee0), _269440)
   Exit: (200) [system] peek_char((0x563acd73bee0), 'I')
^  Call: (200) [user] is_delimiter('I')
   Call: (201) [system] char_type('I', space)
   Fail: (201) [system] char_type('I', space)
   Call: (201) [system] arg(_274160, v('(', ')', end_of_file), 'I')
   Fail: (201) [system] arg(_275092, v('(', ')', end_of_file), 'I')
^  Fail: (200) [user] is_delimiter('I')
   Call: (200) [system] ')'=='I'
   Fail: (200) [system] ')'=='I'
   Call: (200) [system] get_char((0x563acd73bee0), 'I')
   Exit: (200) [system] get_char((0x563acd73bee0), 'I')
   Call: (200) [system] 'I'=(\)
   Fail: (200) [system] 'I'=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _282442)
   Call: (201) [system] peek_char((0x563acd73bee0), _283376)
   Exit: (201) [system] peek_char((0x563acd73bee0), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_288096, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_289028, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x563acd73bee0), n)
   Exit: (201) [system] get_char((0x563acd73bee0), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _296378)
   Call: (202) [system] peek_char((0x563acd73bee0), _297312)
   Exit: (202) [system] peek_char((0x563acd73bee0), t)
^  Call: (202) [user] is_delimiter(t)
   Call: (203) [system] char_type(t, space)
   Fail: (203) [system] char_type(t, space)
   Call: (203) [system] arg(_302032, v('(', ')', end_of_file), t)
   Fail: (203) [system] arg(_302964, v('(', ')', end_of_file), t)
^  Fail: (202) [user] is_delimiter(t)
   Call: (202) [system] ')'==t
   Fail: (202) [system] ')'==t
   Call: (202) [system] get_char((0x563acd73bee0), t)
   Exit: (202) [system] get_char((0x563acd73bee0), t)
   Call: (202) [system] t=(\)
   Fail: (202) [system] t=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _310314)
   Call: (203) [system] peek_char((0x563acd73bee0), _311248)
   Exit: (203) [system] peek_char((0x563acd73bee0), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_315968, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_316900, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x563acd73bee0), r)
   Exit: (203) [system] get_char((0x563acd73bee0), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _324250)
   Call: (204) [system] peek_char((0x563acd73bee0), _325184)
   Exit: (204) [system] peek_char((0x563acd73bee0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_329904, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_330836, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x563acd73bee0), o)
   Exit: (204) [system] get_char((0x563acd73bee0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _338186)
   Call: (205) [system] peek_char((0x563acd73bee0), _339120)
   Exit: (205) [system] peek_char((0x563acd73bee0), d)
^  Call: (205) [user] is_delimiter(d)
   Call: (206) [system] char_type(d, space)
   Fail: (206) [system] char_type(d, space)
   Call: (206) [system] arg(_343840, v('(', ')', end_of_file), d)
   Fail: (206) [system] arg(_344772, v('(', ')', end_of_file), d)
^  Fail: (205) [user] is_delimiter(d)
   Call: (205) [system] ')'==d
   Fail: (205) [system] ')'==d
   Call: (205) [system] get_char((0x563acd73bee0), d)
   Exit: (205) [system] get_char((0x563acd73bee0), d)
   Call: (205) [system] d=(\)
   Fail: (205) [system] d=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _352122)
   Call: (206) [system] peek_char((0x563acd73bee0), _353056)
   Exit: (206) [system] peek_char((0x563acd73bee0), u)
^  Call: (206) [user] is_delimiter(u)
   Call: (207) [system] char_type(u, space)
   Fail: (207) [system] char_type(u, space)
   Call: (207) [system] arg(_357776, v('(', ')', end_of_file), u)
   Fail: (207) [system] arg(_358708, v('(', ')', end_of_file), u)
^  Fail: (206) [user] is_delimiter(u)
   Call: (206) [system] ')'==u
   Fail: (206) [system] ')'==u
   Call: (206) [system] get_char((0x563acd73bee0), u)
   Exit: (206) [system] get_char((0x563acd73bee0), u)
   Call: (206) [system] u=(\)
   Fail: (206) [system] u=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _366058)
   Call: (207) [system] peek_char((0x563acd73bee0), _366992)
   Exit: (207) [system] peek_char((0x563acd73bee0), c)
^  Call: (207) [user] is_delimiter(c)
   Call: (208) [system] char_type(c, space)
   Fail: (208) [system] char_type(c, space)
   Call: (208) [system] arg(_371712, v('(', ')', end_of_file), c)
   Fail: (208) [system] arg(_372644, v('(', ')', end_of_file), c)
^  Fail: (207) [user] is_delimiter(c)
   Call: (207) [system] ')'==c
   Fail: (207) [system] ')'==c
   Call: (207) [system] get_char((0x563acd73bee0), c)
   Exit: (207) [system] get_char((0x563acd73bee0), c)
   Call: (207) [system] c=(\)
   Fail: (207) [system] c=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _379994)
   Call: (208) [system] peek_char((0x563acd73bee0), _380928)
   Exit: (208) [system] peek_char((0x563acd73bee0), t)
^  Call: (208) [user] is_delimiter(t)
   Call: (209) [system] char_type(t, space)
   Fail: (209) [system] char_type(t, space)
   Call: (209) [system] arg(_385648, v('(', ')', end_of_file), t)
   Fail: (209) [system] arg(_386580, v('(', ')', end_of_file), t)
^  Fail: (208) [user] is_delimiter(t)
   Call: (208) [system] ')'==t
   Fail: (208) [system] ')'==t
   Call: (208) [system] get_char((0x563acd73bee0), t)
   Exit: (208) [system] get_char((0x563acd73bee0), t)
   Call: (208) [system] t=(\)
   Fail: (208) [system] t=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _393930)
   Call: (209) [system] peek_char((0x563acd73bee0), _394864)
   Exit: (209) [system] peek_char((0x563acd73bee0), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_399584, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_400516, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x563acd73bee0), i)
   Exit: (209) [system] get_char((0x563acd73bee0), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _407866)
   Call: (210) [system] peek_char((0x563acd73bee0), _408800)
   Exit: (210) [system] peek_char((0x563acd73bee0), o)
^  Call: (210) [user] is_delimiter(o)
   Call: (211) [system] char_type(o, space)
   Fail: (211) [system] char_type(o, space)
   Call: (211) [system] arg(_413520, v('(', ')', end_of_file), o)
   Fail: (211) [system] arg(_414452, v('(', ')', end_of_file), o)
^  Fail: (210) [user] is_delimiter(o)
   Call: (210) [system] ')'==o
   Fail: (210) [system] ')'==o
   Call: (210) [system] get_char((0x563acd73bee0), o)
   Exit: (210) [system] get_char((0x563acd73bee0), o)
   Call: (210) [system] o=(\)
   Fail: (210) [system] o=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _421802)
   Call: (211) [system] peek_char((0x563acd73bee0), _422736)
   Exit: (211) [system] peek_char((0x563acd73bee0), n)
^  Call: (211) [user] is_delimiter(n)
   Call: (212) [system] char_type(n, space)
   Fail: (212) [system] char_type(n, space)
   Call: (212) [system] arg(_427456, v('(', ')', end_of_file), n)
   Fail: (212) [system] arg(_428388, v('(', ')', end_of_file), n)
^  Fail: (211) [user] is_delimiter(n)
   Call: (211) [system] ')'==n
   Fail: (211) [system] ')'==n
   Call: (211) [system] get_char((0x563acd73bee0), n)
   Exit: (211) [system] get_char((0x563acd73bee0), n)
   Call: (211) [system] n=(\)
   Fail: (211) [system] n=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _435738)
   Call: (212) [system] peek_char((0x563acd73bee0), _436672)
   Exit: (212) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _435738=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (211) [system] _421802=[n]
   Exit: (211) [system] [n]=[n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (210) [system] _407866=[o, n]
   Exit: (210) [system] [o, n]=[o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (209) [system] _393930=[i, o, n]
   Exit: (209) [system] [i, o, n]=[i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (208) [system] _379994=[t, i, o, n]
   Exit: (208) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (207) [system] _366058=[c, t, i, o, n]
   Exit: (207) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n])
   Call: (206) [system] _352122=[u, c, t, i, o, n]
   Exit: (206) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, i, o, n])
   Call: (205) [system] _338186=[d, u, c, t, i, o, n]
   Exit: (205) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, u, c, t, i, o, n])
   Call: (204) [system] _324250=[o, d, u, c, t, i, o, n]
   Exit: (204) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, d, u, c, t, i, o, n])
   Call: (203) [system] _310314=[r, o, d, u, c, t, i, o, n]
   Exit: (203) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, d, u, c, t, i, o, n])
   Call: (202) [system] _296378=[t, r, o, d, u, c, t, i, o, n]
   Exit: (202) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, r, o, d, u, c, t, i, o, n])
   Call: (201) [system] _282442=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (201) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (200) [system] _268506=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (200) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (199) [system] _254570=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (199) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (198) [system] _240634=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (198) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (197) [system] _226698=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (197) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (196) [system] _212762=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (196) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (195) [system] _198826=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (195) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (194) [system] _184890=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (194) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (193) [system] _170954=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (193) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (192) [system] _157018=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (192) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (191) [system] _143082=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (191) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (190) [system] _129146=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (190) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (189) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _93636)
^  Call: (190) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _507424)
^  Call: (192) [system] setup_call_cleanup('$notrace'(_508376, _508378), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _507424), _508358, fail)), '$restore_trace'(_508376, _508378))
^  Call: (193) [system] sig_atomic(system:'$notrace'(_508376, _508378))
^  Exit: (192) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _507424), _508358, fail)), system:'$restore_trace'(3, -1))
   Call: (191) [system] atomic(_507424)
   Fail: (191) [system] atomic(_507424)
   Call: (191) [system] atom_chars(_507424, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (191) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (190) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (190) [system] integer('DisjunctionIntroduction')
   Fail: (190) [system] integer('DisjunctionIntroduction')
   Call: (190) [system] _93636='DisjunctionIntroduction'
   Exit: (190) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (189) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (188) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'DisjunctionIntroduction')
^  Exit: (187) [user] cont_sexpr(')', (0x563acd73bee0), 'DisjunctionIntroduction')
^  Call: (187) [user] read_list(')', (0x563acd73bee0), _522374)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _524232)
   Exit: (189) [system] peek_char((0x563acd73bee0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x563acd73bee0), _533826)
   Exit: (189) [system] get_char((0x563acd73bee0), ' ')
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _536530)
   Exit: (190) [system] peek_char((0x563acd73bee0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _553464)
   Exit: (188) [system] peek_char((0x563acd73bee0), '(')
   Call: (188) [system] '('=')'
   Fail: (188) [system] '('=')'
   Call: (188) [system] '('=end_of_file
   Fail: (188) [system] '('=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x563acd73bee0), _559034)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _560892)
   Exit: (190) [system] peek_char((0x563acd73bee0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] get_char((0x563acd73bee0), _576902)
   Exit: (189) [system] get_char((0x563acd73bee0), '(')
   Call: (189) [system] '('='('
   Exit: (189) [system] '('='('
^  Call: (189) [user] read_list(')', (0x563acd73bee0), _559034)
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _582472)
   Exit: (191) [system] peek_char((0x563acd73bee0), -)
   Call: (191) [system] (-)=(;)
   Fail: (191) [system] (-)=(;)
   Call: (191) [system] (-)=(/)
   Fail: (191) [system] (-)=(/)
^  Call: (191) [user] is_like_space(-)
   Call: (192) [system] char_type(-, 'white')
   Fail: (192) [system] char_type(-, 'white')
   Call: (192) [system] char_type(-, end_of_line)
   Fail: (192) [system] char_type(-, end_of_line)
   Call: (192) [system] char_type(-, space)
   Fail: (192) [system] char_type(-, space)
   Call: (192) [system] char_type(-, cntrl)
   Fail: (192) [system] char_type(-, cntrl)
^  Fail: (191) [user] is_like_space(-)
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _598482)
   Exit: (190) [system] peek_char((0x563acd73bee0), -)
   Call: (190) [system] (-)=')'
   Fail: (190) [system] (-)=')'
   Call: (190) [system] (-)=end_of_file
   Fail: (190) [system] (-)=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x563acd73bee0), _604052)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _605910)
   Exit: (192) [system] peek_char((0x563acd73bee0), -)
   Call: (192) [system] (-)=(;)
   Fail: (192) [system] (-)=(;)
   Call: (192) [system] (-)=(/)
   Fail: (192) [system] (-)=(/)
^  Call: (192) [user] is_like_space(-)
   Call: (193) [system] char_type(-, 'white')
   Fail: (193) [system] char_type(-, 'white')
   Call: (193) [system] char_type(-, end_of_line)
   Fail: (193) [system] char_type(-, end_of_line)
   Call: (193) [system] char_type(-, space)
   Fail: (193) [system] char_type(-, space)
   Call: (193) [system] char_type(-, cntrl)
   Fail: (193) [system] char_type(-, cntrl)
^  Fail: (192) [user] is_like_space(-)
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] get_char((0x563acd73bee0), _621920)
   Exit: (191) [system] get_char((0x563acd73bee0), -)
   Call: (191) [system] (-)='('
   Fail: (191) [system] (-)='('
   Call: (191) [system] (-)='['
   Fail: (191) [system] (-)='['
   Call: (191) [system] (-)='{'
   Fail: (191) [system] (-)='{'
   Call: (191) [system] (-)='"'
   Fail: (191) [system] (-)='"'
   Call: (191) [system] (-)=!
   Fail: (191) [system] (-)=!
   Call: (191) [system] (-)='\''
   Fail: (191) [system] (-)='\''
   Call: (191) [system] (-)='`'
   Fail: (191) [system] (-)='`'
   Call: (191) [system] (-)=end_of_file
   Fail: (191) [system] (-)=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x563acd73bee0), -, _604052)
^  Call: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), _639562)
   Call: (193) [system] peek_char((0x563acd73bee0), _640496)
   Exit: (193) [system] peek_char((0x563acd73bee0), >)
^  Call: (193) [user] is_delimiter(>)
   Call: (194) [system] char_type(>, space)
   Fail: (194) [system] char_type(>, space)
   Call: (194) [system] arg(_645216, v('(', ')', end_of_file), >)
   Fail: (194) [system] arg(_646148, v('(', ')', end_of_file), >)
^  Fail: (193) [user] is_delimiter(>)
   Call: (193) [system] ')'==(>)
   Fail: (193) [system] ')'==(>)
   Call: (193) [system] get_char((0x563acd73bee0), >)
   Exit: (193) [system] get_char((0x563acd73bee0), >)
   Call: (193) [system] (>)=(\)
   Fail: (193) [system] (>)=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _653498)
   Call: (194) [system] peek_char((0x563acd73bee0), _654432)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _653498=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (193) [system] _639562=[>]
   Exit: (193) [system] [>]=[>]
^  Exit: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), [>])
^  Call: (192) [user] classify_and_convert_charseq([-, >], _604052)
^  Call: (193) [user] classify_and_convert_charseq_([-, >], _666510)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_667462, _667464), once(user:catch(read_from_chars([-, >], _666510), _667444, fail)), '$restore_trace'(_667462, _667464))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_667462, _667464))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _667444, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(->)
   Exit: (194) [system] atomic(->)
^  Exit: (193) [user] classify_and_convert_charseq_([-, >], ->)
   Call: (193) [system] integer(->)
   Fail: (193) [system] integer(->)
   Call: (193) [system] _604052=(->)
   Exit: (193) [system] (->)=(->)
^  Exit: (192) [user] classify_and_convert_charseq([-, >], ->)
^  Exit: (191) [user] read_symbolic(')', (0x563acd73bee0), -, ->)
^  Exit: (190) [user] cont_sexpr(')', (0x563acd73bee0), ->)
^  Call: (190) [user] read_list(')', (0x563acd73bee0), _679590)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _681448)
   Exit: (192) [system] peek_char((0x563acd73bee0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x563acd73bee0), _691042)
   Exit: (192) [system] get_char((0x563acd73bee0), ' ')
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _693746)
   Exit: (193) [system] peek_char((0x563acd73bee0), $)
   Call: (193) [system] ($)=(;)
   Fail: (193) [system] ($)=(;)
   Call: (193) [system] ($)=(/)
   Fail: (193) [system] ($)=(/)
^  Call: (193) [user] is_like_space($)
   Call: (194) [system] char_type($, 'white')
   Fail: (194) [system] char_type($, 'white')
   Call: (194) [system] char_type($, end_of_line)
   Fail: (194) [system] char_type($, end_of_line)
   Call: (194) [system] char_type($, space)
   Fail: (194) [system] char_type($, space)
   Call: (194) [system] char_type($, cntrl)
   Fail: (194) [system] char_type($, cntrl)
^  Fail: (193) [user] is_like_space($)
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _710680)
   Exit: (191) [system] peek_char((0x563acd73bee0), $)
   Call: (191) [system] ($)=')'
   Fail: (191) [system] ($)=')'
   Call: (191) [system] ($)=end_of_file
   Fail: (191) [system] ($)=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x563acd73bee0), _716250)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _718108)
   Exit: (193) [system] peek_char((0x563acd73bee0), $)
   Call: (193) [system] ($)=(;)
   Fail: (193) [system] ($)=(;)
   Call: (193) [system] ($)=(/)
   Fail: (193) [system] ($)=(/)
^  Call: (193) [user] is_like_space($)
   Call: (194) [system] char_type($, 'white')
   Fail: (194) [system] char_type($, 'white')
   Call: (194) [system] char_type($, end_of_line)
   Fail: (194) [system] char_type($, end_of_line)
   Call: (194) [system] char_type($, space)
   Fail: (194) [system] char_type($, space)
   Call: (194) [system] char_type($, cntrl)
   Fail: (194) [system] char_type($, cntrl)
^  Fail: (193) [user] is_like_space($)
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] get_char((0x563acd73bee0), _734118)
   Exit: (192) [system] get_char((0x563acd73bee0), $)
   Call: (192) [system] ($)='('
   Fail: (192) [system] ($)='('
   Call: (192) [system] ($)='['
   Fail: (192) [system] ($)='['
   Call: (192) [system] ($)='{'
   Fail: (192) [system] ($)='{'
   Call: (192) [system] ($)='"'
   Fail: (192) [system] ($)='"'
   Call: (192) [system] ($)=!
   Fail: (192) [system] ($)=!
   Call: (192) [system] ($)='\''
   Fail: (192) [system] ($)='\''
   Call: (192) [system] ($)='`'
   Fail: (192) [system] ($)='`'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x563acd73bee0), $, _716250)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _751760)
   Call: (194) [system] peek_char((0x563acd73bee0), _752694)
   Exit: (194) [system] peek_char((0x563acd73bee0), p)
^  Call: (194) [user] is_delimiter(p)
   Call: (195) [system] char_type(p, space)
   Fail: (195) [system] char_type(p, space)
   Call: (195) [system] arg(_757414, v('(', ')', end_of_file), p)
   Fail: (195) [system] arg(_758346, v('(', ')', end_of_file), p)
^  Fail: (194) [user] is_delimiter(p)
   Call: (194) [system] ')'==p
   Fail: (194) [system] ')'==p
   Call: (194) [system] get_char((0x563acd73bee0), p)
   Exit: (194) [system] get_char((0x563acd73bee0), p)
   Call: (194) [system] p=(\)
   Fail: (194) [system] p=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _765696)
   Call: (195) [system] peek_char((0x563acd73bee0), _766630)
   Exit: (195) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (195) [user] is_delimiter(' ')
   Call: (196) [system] char_type(' ', space)
   Exit: (196) [system] char_type(' ', space)
^  Exit: (195) [user] is_delimiter(' ')
   Call: (195) [system] _765696=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (194) [system] _751760=[p]
   Exit: (194) [system] [p]=[p]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [p])
^  Call: (193) [user] classify_and_convert_charseq([$, p], _716250)
^  Call: (194) [user] classify_and_convert_charseq_([$, p], _778708)
   Call: (195) [system] atom_chars(_779640, ['_', p])
   Exit: (195) [system] atom_chars('_p', ['_', p])
^  Exit: (194) [user] classify_and_convert_charseq_([$, p], _p)
   Call: (194) [system] integer(_p)
   Fail: (194) [system] integer(_p)
   Call: (194) [system] _716250=_p
   Exit: (194) [system] _p=_p
^  Exit: (193) [user] classify_and_convert_charseq([$, p], _p)
^  Exit: (192) [user] read_symbolic(')', (0x563acd73bee0), $, _p)
^  Exit: (191) [user] cont_sexpr(')', (0x563acd73bee0), _p)
^  Call: (191) [user] read_list(')', (0x563acd73bee0), _788932)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _790790)
   Exit: (193) [system] peek_char((0x563acd73bee0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x563acd73bee0), _800384)
   Exit: (193) [system] get_char((0x563acd73bee0), ' ')
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _803088)
   Exit: (194) [system] peek_char((0x563acd73bee0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _820022)
   Exit: (192) [system] peek_char((0x563acd73bee0), $)
   Call: (192) [system] ($)=')'
   Fail: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x563acd73bee0), _825592)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _827450)
   Exit: (194) [system] peek_char((0x563acd73bee0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] get_char((0x563acd73bee0), _843460)
   Exit: (193) [system] get_char((0x563acd73bee0), $)
   Call: (193) [system] ($)='('
   Fail: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Fail: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Fail: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Fail: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Fail: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Fail: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Fail: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x563acd73bee0), $, _825592)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _861102)
   Call: (195) [system] peek_char((0x563acd73bee0), _862036)
   Exit: (195) [system] peek_char((0x563acd73bee0), q)
^  Call: (195) [user] is_delimiter(q)
   Call: (196) [system] char_type(q, space)
   Fail: (196) [system] char_type(q, space)
   Call: (196) [system] arg(_866756, v('(', ')', end_of_file), q)
   Fail: (196) [system] arg(_867688, v('(', ')', end_of_file), q)
^  Fail: (195) [user] is_delimiter(q)
   Call: (195) [system] ')'==q
   Fail: (195) [system] ')'==q
   Call: (195) [system] get_char((0x563acd73bee0), q)
   Exit: (195) [system] get_char((0x563acd73bee0), q)
   Call: (195) [system] q=(\)
   Fail: (195) [system] q=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _875038)
   Call: (196) [system] peek_char((0x563acd73bee0), _875972)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _875038=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (195) [system] _861102=[q]
   Exit: (195) [system] [q]=[q]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [q])
^  Call: (194) [user] classify_and_convert_charseq([$, q], _825592)
^  Call: (195) [user] classify_and_convert_charseq_([$, q], _888050)
   Call: (196) [system] atom_chars(_888982, ['_', q])
   Exit: (196) [system] atom_chars('_q', ['_', q])
^  Exit: (195) [user] classify_and_convert_charseq_([$, q], _q)
   Call: (195) [system] integer(_q)
   Fail: (195) [system] integer(_q)
   Call: (195) [system] _825592=_q
   Exit: (195) [system] _q=_q
^  Exit: (194) [user] classify_and_convert_charseq([$, q], _q)
^  Exit: (193) [user] read_symbolic(')', (0x563acd73bee0), $, _q)
^  Exit: (192) [user] cont_sexpr(')', (0x563acd73bee0), _q)
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _898274)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _900132)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x563acd73bee0), _909726)
   Exit: (194) [system] get_char((0x563acd73bee0), ' ')
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _912430)
   Exit: (195) [system] peek_char((0x563acd73bee0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _929364)
   Exit: (193) [system] peek_char((0x563acd73bee0), '(')
   Call: (193) [system] '('=')'
   Fail: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
   Fail: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x563acd73bee0), _934934)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _936792)
   Exit: (195) [system] peek_char((0x563acd73bee0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] get_char((0x563acd73bee0), _952802)
   Exit: (194) [system] get_char((0x563acd73bee0), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _934934)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _958372)
   Exit: (196) [system] peek_char((0x563acd73bee0), 'O')
   Call: (196) [system] 'O'=(;)
   Fail: (196) [system] 'O'=(;)
   Call: (196) [system] 'O'=(/)
   Fail: (196) [system] 'O'=(/)
^  Call: (196) [user] is_like_space('O')
   Call: (197) [system] char_type('O', 'white')
   Fail: (197) [system] char_type('O', 'white')
   Call: (197) [system] char_type('O', end_of_line)
   Fail: (197) [system] char_type('O', end_of_line)
   Call: (197) [system] char_type('O', space)
   Fail: (197) [system] char_type('O', space)
   Call: (197) [system] char_type('O', cntrl)
   Fail: (197) [system] char_type('O', cntrl)
^  Fail: (196) [user] is_like_space('O')
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _974382)
   Exit: (195) [system] peek_char((0x563acd73bee0), 'O')
   Call: (195) [system] 'O'=')'
   Fail: (195) [system] 'O'=')'
   Call: (195) [system] 'O'=end_of_file
   Fail: (195) [system] 'O'=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x563acd73bee0), _979952)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _981810)
   Exit: (197) [system] peek_char((0x563acd73bee0), 'O')
   Call: (197) [system] 'O'=(;)
   Fail: (197) [system] 'O'=(;)
   Call: (197) [system] 'O'=(/)
   Fail: (197) [system] 'O'=(/)
^  Call: (197) [user] is_like_space('O')
   Call: (198) [system] char_type('O', 'white')
   Fail: (198) [system] char_type('O', 'white')
   Call: (198) [system] char_type('O', end_of_line)
   Fail: (198) [system] char_type('O', end_of_line)
   Call: (198) [system] char_type('O', space)
   Fail: (198) [system] char_type('O', space)
   Call: (198) [system] char_type('O', cntrl)
   Fail: (198) [system] char_type('O', cntrl)
^  Fail: (197) [user] is_like_space('O')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] get_char((0x563acd73bee0), _997820)
   Exit: (196) [system] get_char((0x563acd73bee0), 'O')
   Call: (196) [system] 'O'='('
   Fail: (196) [system] 'O'='('
   Call: (196) [system] 'O'='['
   Fail: (196) [system] 'O'='['
   Call: (196) [system] 'O'='{'
   Fail: (196) [system] 'O'='{'
   Call: (196) [system] 'O'='"'
   Fail: (196) [system] 'O'='"'
   Call: (196) [system] 'O'=!
   Fail: (196) [system] 'O'=!
   Call: (196) [system] 'O'='\''
   Fail: (196) [system] 'O'='\''
   Call: (196) [system] 'O'='`'
   Fail: (196) [system] 'O'='`'
   Call: (196) [system] 'O'=end_of_file
   Fail: (196) [system] 'O'=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x563acd73bee0), 'O', _979952)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _1015462)
   Call: (198) [system] peek_char((0x563acd73bee0), _1016396)
   Exit: (198) [system] peek_char((0x563acd73bee0), r)
^  Call: (198) [user] is_delimiter(r)
   Call: (199) [system] char_type(r, space)
   Fail: (199) [system] char_type(r, space)
   Call: (199) [system] arg(_1021116, v('(', ')', end_of_file), r)
   Fail: (199) [system] arg(_1022048, v('(', ')', end_of_file), r)
^  Fail: (198) [user] is_delimiter(r)
   Call: (198) [system] ')'==r
   Fail: (198) [system] ')'==r
   Call: (198) [system] get_char((0x563acd73bee0), r)
   Exit: (198) [system] get_char((0x563acd73bee0), r)
   Call: (198) [system] r=(\)
   Fail: (198) [system] r=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _1029398)
   Call: (199) [system] peek_char((0x563acd73bee0), _1030332)
   Exit: (199) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (199) [user] is_delimiter('L')
   Call: (200) [system] char_type('L', space)
   Fail: (200) [system] char_type('L', space)
   Call: (200) [system] arg(_1035052, v('(', ')', end_of_file), 'L')
   Fail: (200) [system] arg(_1035984, v('(', ')', end_of_file), 'L')
^  Fail: (199) [user] is_delimiter('L')
   Call: (199) [system] ')'=='L'
   Fail: (199) [system] ')'=='L'
   Call: (199) [system] get_char((0x563acd73bee0), 'L')
   Exit: (199) [system] get_char((0x563acd73bee0), 'L')
   Call: (199) [system] 'L'=(\)
   Fail: (199) [system] 'L'=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _1043334)
   Call: (200) [system] peek_char((0x563acd73bee0), _1044268)
   Exit: (200) [system] peek_char((0x563acd73bee0), i)
^  Call: (200) [user] is_delimiter(i)
   Call: (201) [system] char_type(i, space)
   Fail: (201) [system] char_type(i, space)
   Call: (201) [system] arg(_1048988, v('(', ')', end_of_file), i)
   Fail: (201) [system] arg(_1049920, v('(', ')', end_of_file), i)
^  Fail: (200) [user] is_delimiter(i)
   Call: (200) [system] ')'==i
   Fail: (200) [system] ')'==i
   Call: (200) [system] get_char((0x563acd73bee0), i)
   Exit: (200) [system] get_char((0x563acd73bee0), i)
   Call: (200) [system] i=(\)
   Fail: (200) [system] i=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _1057270)
   Call: (201) [system] peek_char((0x563acd73bee0), _1058204)
   Exit: (201) [system] peek_char((0x563acd73bee0), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_1062924, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_1063856, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x563acd73bee0), n)
   Exit: (201) [system] get_char((0x563acd73bee0), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _1071206)
   Call: (202) [system] peek_char((0x563acd73bee0), _1072140)
   Exit: (202) [system] peek_char((0x563acd73bee0), k)
^  Call: (202) [user] is_delimiter(k)
   Call: (203) [system] char_type(k, space)
   Fail: (203) [system] char_type(k, space)
   Call: (203) [system] arg(_1076860, v('(', ')', end_of_file), k)
   Fail: (203) [system] arg(_1077792, v('(', ')', end_of_file), k)
^  Fail: (202) [user] is_delimiter(k)
   Call: (202) [system] ')'==k
   Fail: (202) [system] ')'==k
   Call: (202) [system] get_char((0x563acd73bee0), k)
   Exit: (202) [system] get_char((0x563acd73bee0), k)
   Call: (202) [system] k=(\)
   Fail: (202) [system] k=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1085142)
   Call: (203) [system] peek_char((0x563acd73bee0), _1086076)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _1085142=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (202) [system] _1071206=[k]
   Exit: (202) [system] [k]=[k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (201) [system] _1057270=[n, k]
   Exit: (201) [system] [n, k]=[n, k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (200) [system] _1043334=[i, n, k]
   Exit: (200) [system] [i, n, k]=[i, n, k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (199) [system] _1029398=['L', i, n, k]
   Exit: (199) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (198) [system] _1015462=[r, 'L', i, n, k]
   Exit: (198) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (197) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _979952)
^  Call: (198) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1109330)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_1110282, _1110284), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1109330), _1110264, fail)), '$restore_trace'(_1110282, _1110284))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_1110282, _1110284))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1109330), _1110264, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(_1109330)
   Fail: (199) [system] atomic(_1109330)
   Call: (199) [system] atom_chars(_1109330, ['O', r, 'L', i, n, k])
   Exit: (199) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (198) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (198) [system] integer('OrLink')
   Fail: (198) [system] integer('OrLink')
   Call: (198) [system] _979952='OrLink'
   Exit: (198) [system] 'OrLink'='OrLink'
^  Exit: (197) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (196) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (195) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _1124280)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1126138)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x563acd73bee0), _1135732)
   Exit: (197) [system] get_char((0x563acd73bee0), ' ')
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1138436)
   Exit: (198) [system] peek_char((0x563acd73bee0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1155370)
   Exit: (196) [system] peek_char((0x563acd73bee0), $)
   Call: (196) [system] ($)=')'
   Fail: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x563acd73bee0), _1160940)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1162798)
   Exit: (198) [system] peek_char((0x563acd73bee0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
   Call: (198) [system] ($)=(/)
   Fail: (198) [system] ($)=(/)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] get_char((0x563acd73bee0), _1178808)
   Exit: (197) [system] get_char((0x563acd73bee0), $)
   Call: (197) [system] ($)='('
   Fail: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Fail: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Fail: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Fail: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Fail: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Fail: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Fail: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x563acd73bee0), $, _1160940)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _1196450)
   Call: (199) [system] peek_char((0x563acd73bee0), _1197384)
   Exit: (199) [system] peek_char((0x563acd73bee0), p)
^  Call: (199) [user] is_delimiter(p)
   Call: (200) [system] char_type(p, space)
   Fail: (200) [system] char_type(p, space)
   Call: (200) [system] arg(_1202104, v('(', ')', end_of_file), p)
   Fail: (200) [system] arg(_1203036, v('(', ')', end_of_file), p)
^  Fail: (199) [user] is_delimiter(p)
   Call: (199) [system] ')'==p
   Fail: (199) [system] ')'==p
   Call: (199) [system] get_char((0x563acd73bee0), p)
   Exit: (199) [system] get_char((0x563acd73bee0), p)
   Call: (199) [system] p=(\)
   Fail: (199) [system] p=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _1210386)
   Call: (200) [system] peek_char((0x563acd73bee0), _1211320)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _1210386=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (199) [system] _1196450=[p]
   Exit: (199) [system] [p]=[p]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [p])
^  Call: (198) [user] classify_and_convert_charseq([$, p], _1160940)
^  Call: (199) [user] classify_and_convert_charseq_([$, p], _1223398)
   Call: (200) [system] atom_chars(_1224330, ['_', p])
   Exit: (200) [system] atom_chars('_p', ['_', p])
^  Exit: (199) [user] classify_and_convert_charseq_([$, p], _p)
   Call: (199) [system] integer(_p)
   Fail: (199) [system] integer(_p)
   Call: (199) [system] _1160940=_p
   Exit: (199) [system] _p=_p
^  Exit: (198) [user] classify_and_convert_charseq([$, p], _p)
^  Exit: (197) [user] read_symbolic(')', (0x563acd73bee0), $, _p)
^  Exit: (196) [user] cont_sexpr(')', (0x563acd73bee0), _p)
^  Call: (196) [user] read_list(')', (0x563acd73bee0), _1233622)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1235480)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x563acd73bee0), _1245074)
   Exit: (198) [system] get_char((0x563acd73bee0), ' ')
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1247778)
   Exit: (199) [system] peek_char((0x563acd73bee0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1264712)
   Exit: (197) [system] peek_char((0x563acd73bee0), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x563acd73bee0), _1270282)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1272140)
   Exit: (199) [system] peek_char((0x563acd73bee0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
   Call: (199) [system] ($)=(/)
   Fail: (199) [system] ($)=(/)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] get_char((0x563acd73bee0), _1288150)
   Exit: (198) [system] get_char((0x563acd73bee0), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x563acd73bee0), $, _1270282)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _1305792)
   Call: (200) [system] peek_char((0x563acd73bee0), _1306726)
   Exit: (200) [system] peek_char((0x563acd73bee0), q)
^  Call: (200) [user] is_delimiter(q)
   Call: (201) [system] char_type(q, space)
   Fail: (201) [system] char_type(q, space)
   Call: (201) [system] arg(_1311446, v('(', ')', end_of_file), q)
   Fail: (201) [system] arg(_1312378, v('(', ')', end_of_file), q)
^  Fail: (200) [user] is_delimiter(q)
   Call: (200) [system] ')'==q
   Fail: (200) [system] ')'==q
   Call: (200) [system] get_char((0x563acd73bee0), q)
   Exit: (200) [system] get_char((0x563acd73bee0), q)
   Call: (200) [system] q=(\)
   Fail: (200) [system] q=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _1319728)
   Call: (201) [system] peek_char((0x563acd73bee0), _1320662)
   Exit: (201) [system] peek_char((0x563acd73bee0), ')')
^  Call: (201) [user] is_delimiter(')')
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] arg(_1325382, v('(', ')', end_of_file), ')')
   Exit: (202) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (201) [user] is_delimiter(')')
   Call: (201) [system] _1319728=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (200) [system] _1305792=[q]
   Exit: (200) [system] [q]=[q]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [q])
^  Call: (199) [user] classify_and_convert_charseq([$, q], _1270282)
^  Call: (200) [user] classify_and_convert_charseq_([$, q], _1334612)
   Call: (201) [system] atom_chars(_1335544, ['_', q])
   Exit: (201) [system] atom_chars('_q', ['_', q])
^  Exit: (200) [user] classify_and_convert_charseq_([$, q], _q)
   Call: (200) [system] integer(_q)
   Fail: (200) [system] integer(_q)
   Call: (200) [system] _1270282=_q
   Exit: (200) [system] _q=_q
^  Exit: (199) [user] classify_and_convert_charseq([$, q], _q)
^  Exit: (198) [user] read_symbolic(')', (0x563acd73bee0), $, _q)
^  Exit: (197) [user] cont_sexpr(')', (0x563acd73bee0), _q)
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _1344836)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1346694)
   Exit: (199) [system] peek_char((0x563acd73bee0), ')')
   Call: (199) [system] ')'=(;)
   Fail: (199) [system] ')'=(;)
   Call: (199) [system] ')'=(/)
   Fail: (199) [system] ')'=(/)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Fail: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Fail: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
   Fail: (200) [system] char_type(')', cntrl)
^  Fail: (199) [user] is_like_space(')')
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1362704)
   Exit: (198) [system] peek_char((0x563acd73bee0), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x563acd73bee0), _1366494)
   Exit: (198) [system] get_char((0x563acd73bee0), ')')
   Call: (198) [system] _1344836=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x563acd73bee0), [])
   Call: (197) [system] _1233622=[_q]
   Exit: (197) [system] [_q]=[_q]
^  Exit: (196) [user] read_list(')', (0x563acd73bee0), [_q])
   Call: (196) [system] _1124280=[_p, _q]
   Exit: (196) [system] [_p, _q]=[_p, _q]
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), [_p, _q])
   Call: (195) [system] _934934=['OrLink', _p, _q]
   Exit: (195) [system] ['OrLink', _p, _q]=['OrLink', _p, _q]
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), ['OrLink', _p, _q])
^  Exit: (193) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', _p, _q])
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _1380376)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1382234)
   Exit: (195) [system] peek_char((0x563acd73bee0), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
   Call: (195) [system] ')'=(/)
   Fail: (195) [system] ')'=(/)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1398244)
   Exit: (194) [system] peek_char((0x563acd73bee0), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x563acd73bee0), _1402034)
   Exit: (194) [system] get_char((0x563acd73bee0), ')')
   Call: (194) [system] _1380376=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), [])
   Call: (193) [system] _898274=[['OrLink', _p, _q]]
   Exit: (193) [system] [['OrLink', _p, _q]]=[['OrLink', _p, _q]]
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), [['OrLink', _p, _q]])
   Call: (192) [system] _788932=[_q, ['OrLink', _p, _q]]
   Exit: (192) [system] [_q, ['OrLink', _p, _q]]=[_q, ['OrLink', _p, _q]]
^  Exit: (191) [user] read_list(')', (0x563acd73bee0), [_q, ['OrLink', _p, _q]])
   Call: (191) [system] _679590=[_p, _q, ['OrLink', _p, _q]]
   Exit: (191) [system] [_p, _q, ['OrLink', _p, _q]]=[_p, _q, ['OrLink', _p, _q]]
^  Exit: (190) [user] read_list(')', (0x563acd73bee0), [_p, _q, ['OrLink', _p, _q]])
   Call: (190) [system] _559034=[->, _p, _q, ['OrLink', _p, _q]]
   Exit: (190) [system] [->, _p, _q, ['OrLink', _p, _q]]=[->, _p, _q, ['OrLink', _p, _q]]
^  Exit: (189) [user] read_list(')', (0x563acd73bee0), [->, _p, _q, ['OrLink', _p, _q]])
^  Exit: (188) [user] cont_sexpr(')', (0x563acd73bee0), [->, _p, _q, ['OrLink', _p, _q]])
^  Call: (188) [user] read_list(')', (0x563acd73bee0), _1418710)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1420568)
   Exit: (190) [system] peek_char((0x563acd73bee0), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
   Call: (190) [system] ')'=(/)
   Fail: (190) [system] ')'=(/)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1436578)
   Exit: (189) [system] peek_char((0x563acd73bee0), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x563acd73bee0), _1440368)
   Exit: (189) [system] get_char((0x563acd73bee0), ')')
   Call: (189) [system] _1418710=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x563acd73bee0), [])
   Call: (188) [system] _522374=[[->, _p, _q, ['OrLink', _p, _q]]]
   Exit: (188) [system] [[->, _p, _q, ['OrLink', _p, _q]]]=[[->, _p, _q, ['OrLink', _p, _q]]]
^  Exit: (187) [user] read_list(')', (0x563acd73bee0), [[->, _p, _q, ['OrLink', _p, _q]]])
   Call: (187) [system] _56976=['DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]
   Exit: (187) [system] ['DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]=['DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]
^  Exit: (186) [user] read_list(')', (0x563acd73bee0), ['DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]])
   Call: (186) [system] _3378=[:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]
   Exit: (186) [system] [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]=[:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]
^  Exit: (185) [user] read_list(')', (0x563acd73bee0), [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]])
^  Exit: (184) [user] cont_sexpr(')', (0x563acd73bee0), [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]])
^  Call: (184) [user] read_list(')', (0x563acd73bee0), _1454250)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1456108)
   Exit: (186) [system] peek_char((0x563acd73bee0), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
   Call: (186) [system] ')'=(/)
   Fail: (186) [system] ')'=(/)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _1472118)
   Exit: (185) [system] peek_char((0x563acd73bee0), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x563acd73bee0), _1475908)
   Exit: (185) [system] get_char((0x563acd73bee0), ')')
   Call: (185) [system] _1454250=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x563acd73bee0), [])
   Call: (184) [system] _3374=[[:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]]
   Exit: (184) [system] [[:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]]=[[:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]]
^  Exit: (183) [user] read_list(')', (0x563acd73bee0), [[:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]])
   Call: (183) [system] _3362=[[rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]]
   Exit: (183) [system] [[rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]]=[[rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]]
^  Exit: (182) [user] read_list(')', (0x563acd73bee0), [[rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]])
   Call: (182) [system] _3322=[=, [rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]]
   Exit: (182) [system] [=, [rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]]=[=, [rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]]
^  Exit: (181) [user] read_list(')', (0x563acd73bee0), [=, [rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]])
^  Exit: (180) [user] cont_sexpr(')', (0x563acd73bee0), [=, [rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]])
^  Exit: (179) [user] read_sexpr((0x563acd73bee0), [=, [rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]])
^  Call: (179) [user] assertz(metta_file_comment(116, 0, 4769, [=, [rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]], '$stream_position'(4769, 116, 0, 4769)))
^  Exit: (179) [user] assertz(metta_file_comment(116, 0, 4769, [=, [rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]], '$stream_position'(4769, 116, 0, 4769)))
^  Exit: (177) [system] once(user:(read_position((0x563acd73bee0), 116, 0, 4769, '$stream_position'(4769, 116, 0, 4769)), read_sexpr((0x563acd73bee0), [=, [rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]]), assertz(metta_file_comment(116, 0, 4769, [=, [rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]], '$stream_position'(4769, 116, 0, 4769)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_1494426, _1494428, _1494430, _1494432, _1494434))
^  Exit: (177) [user] retract(metta_file_comment(74, 0, 2755, '$COMMENT'(";; Quaternary rule", 74, 0), '$stream_position'(2755, 74, 0, 2755)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; Quaternary rule", 74, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";; Quaternary rule", 74, 0), _1497262))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";; Quaternary rule", 74, 0), _1497262)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";; Quaternary rule", 74, 0), _1497262)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";; Quaternary rule", 74, 0), _1500078))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";; Quaternary rule", 74, 0), _1500078))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";; Quaternary rule", 74, 0), _1500078)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";; Quaternary rule", 74, 0), _1502878))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";; Quaternary rule", 74, 0), _1502878)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";; Quaternary rule", 74, 0), _1502878)
   Call: (187) [system] var('$COMMENT'(";; Quaternary rule", 74, 0))
   Call: (187) [system] atom('$COMMENT'(";; Quaternary rule", 74, 0))
   Call: (187) [system] '$COMMENT'(";; Quaternary rule", 74, 0)==true
   Call: (187) [system] '$COMMENT'(";; Quaternary rule", 74, 0)==false
   Call: (187) [system] '$COMMENT'(";; Quaternary rule", 74, 0)==[_1509398, _1509404]
   Call: (187) [system] is_list('$COMMENT'(";; Quaternary rule", 74, 0))
   Call: (187) [system] string('$COMMENT'(";; Quaternary rule", 74, 0))
   Call: (187) [system] compound('$COMMENT'(";; Quaternary rule", 74, 0))
   Exit: (187) [system] compound('$COMMENT'(";; Quaternary rule", 74, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";; Quaternary rule", 74, 0), _1514032, _1514034)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT', [";; Quaternary rule", 74, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";; Quaternary rule", 74, 0], _1517774)
   Call: (188) [apply] apply:maplist_([";; Quaternary rule", 74, 0], _1517774, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";; Quaternary rule", _1519654)
   Call: (190) [system] var(";; Quaternary rule")
   Call: (190) [system] atom(";; Quaternary rule")
   Call: (190) [system] ";; Quaternary rule"==true
   Call: (190) [system] ";; Quaternary rule"==false
   Call: (190) [system] ";; Quaternary rule"==[_1524296, _1524302]
   Call: (190) [system] is_list(";; Quaternary rule")
   Call: (190) [system] string(";; Quaternary rule")
   Exit: (190) [system] string(";; Quaternary rule")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";; Quaternary rule")
^  Call: (190) [user] symbol(";; Quaternary rule")
   Call: (191) [system] atom(";; Quaternary rule")
   Fail: (191) [system] atom(";; Quaternary rule")
^  Fail: (190) [user] symbol(";; Quaternary rule")
   Call: (190) [system] ";; Quaternary rule"=_1519654
   Exit: (190) [system] ";; Quaternary rule"=";; Quaternary rule"
^  Exit: (189) [user] mfix_vars1(";; Quaternary rule", ";; Quaternary rule")
   Call: (189) [apply] apply:maplist_([74, 0], _1519656, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(74, _1538176)
   Call: (191) [system] var(74)
   Call: (191) [system] atom(74)
   Call: (191) [system] 74==true
   Call: (191) [system] 74==false
   Call: (191) [system] 74==[_1542818, _1542824]
   Call: (191) [system] is_list(74)
   Call: (191) [system] string(74)
   Call: (191) [system] compound(74)
^  Call: (191) [user] symbol(74)
   Call: (192) [system] atom(74)
   Fail: (192) [system] atom(74)
^  Fail: (191) [user] symbol(74)
   Call: (191) [system] 74=_1538176
   Exit: (191) [system] 74=74
^  Exit: (190) [user] mfix_vars1(74, 74)
   Call: (190) [apply] apply:maplist_([0], _1538178, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _1553942)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_1558584, _1558590]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_1553942
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _1553944, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([74, 0], [74, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";; Quaternary rule", 74, 0], [";; Quaternary rule", 74, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";; Quaternary rule", 74, 0], [";; Quaternary rule", 74, 0])
   Call: (187) [system] compound_name_arguments(_1502878, '$COMMENT', [";; Quaternary rule", 74, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT', [";; Quaternary rule", 74, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0)))
   Call: (184) [system] '$COMMENT'(";; Quaternary rule", 74, 0)\=@='$COMMENT'(";; Quaternary rule", 74, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";; Quaternary rule", 74, 0), _1582760))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";; Quaternary rule", 74, 0), _1582760))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";; Quaternary rule", 74, 0), _1582760)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";; Quaternary rule", 74, 0), _1585560))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";; Quaternary rule", 74, 0), _1585560)
^  Call: (186) [user] cons_to_c('$COMMENT'(";; Quaternary rule", 74, 0), _1585560)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0)))
   Call: (184) [system] '$COMMENT'(";; Quaternary rule", 74, 0)\=@='$COMMENT'(";; Quaternary rule", 74, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";; Quaternary rule", 74, 0), _1497262))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";; Quaternary rule", 74, 0), _1497262))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";; Quaternary rule", 74, 0), _1497262)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";; Quaternary rule", 74, 0), _1599518))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";; Quaternary rule", 74, 0), _1599518)
^  Call: (186) [user] cons_to_l('$COMMENT'(";; Quaternary rule", 74, 0), _1599518)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0)))
   Call: (184) [system] '$COMMENT'(";; Quaternary rule", 74, 0)\=@='$COMMENT'(";; Quaternary rule", 74, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0)))
   Call: (178) [system] '$COMMENT'(";; Quaternary rule", 74, 0)\=@='$COMMENT'(";; Quaternary rule", 74, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";; Quaternary rule", 74, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";; Quaternary rule", 74, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";; Quaternary rule", 74, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";; Quaternary rule", 74, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";; Quaternary rule", 74, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";; Quaternary rule", 74, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";; Quaternary rule", 74, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";; Quaternary rule", 74, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";; Quaternary rule", 74, 0))
^  Exit: (171) [user] read_sform((0x563acd73bee0), '$COMMENT'(";; Quaternary rule", 74, 0))
^  Exit: (170) [system] once(user:read_sform((0x563acd73bee0), '$COMMENT'(";; Quaternary rule", 74, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x563acd73bee0), '$COMMENT'(";; Quaternary rule", 74, 0)))
   Call: (169) [system] '$COMMENT'(";; Quaternary rule", 74, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";; Quaternary rule", 74, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1727204596.0891678), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204596.0891678), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Quaternary rule", 74, 0)), 115]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";; Quaternary rule", 74, 0), ynthesize_long_1727204587_629323, 115)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1727204596.0891678), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204596.0891678), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Quaternary rule", 74, 0)), 115]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1727204599.7922215)
   Call: (173) [system] arg(1, t(1727204596.0891678), _3148)
   Exit: (173) [system] arg(1, t(1727204596.0891678), 1727204596.0891678)
   Call: (173) [system] _3158 is 1727204599.7922215-1727204596.0891678
   Exit: (173) [system] 3.7030537128448486 is 1727204599.7922215-1727204596.0891678
   Call: (173) [system] 3.7030537128448486>4
   Fail: (173) [system] 3.7030537128448486>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1727204596.0891678), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204596.0891678), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Quaternary rule", 74, 0)), 115]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 24)
   Call: (175) [system] atom(24+1)
   Call: (175) [system] set_flag(translated_forms, 25)
   Exit: (175) [system] set_flag(translated_forms, 25)
   Exit: (174) [$syspreds] update_flag(translated_forms, 24, 24+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 24, 24+1))
   Exit: (171) [$syspreds] flag(translated_forms, 24, 24+1)
^  Call: (171) [user] write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";; Quaternary rule", 74, 0), ynthesize_long_1727204587_629323, 115)
^  Call: (172) [user] format((0x563acd7397e0), "/* ~w */~n", [";; Quaternary rule"])
^  Exit: (172) [user] format((0x563acd7397e0), "/* ~w */~n", [";; Quaternary rule"])
^  Exit: (171) [user] write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";; Quaternary rule", 74, 0), ynthesize_long_1727204587_629323, 115)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1727204596.0891678), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204596.0891678), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Quaternary rule", 74, 0)), 115]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 24, 24+1), write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";; Quaternary rule", 74, 0), ynthesize_long_1727204587_629323, 115)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x563acd73bee0))
   Fail: (169) [system] at_end_of_stream((0x563acd73bee0))
^  Call: (169) [user] must_det_ll(line_count((0x563acd73bee0), _3074))
^  Call: (170) [user] once(user:line_count((0x563acd73bee0), _3074))
   Call: (171) [system] line_count((0x563acd73bee0), _3074)
   Exit: (171) [system] line_count((0x563acd73bee0), 116)
^  Exit: (170) [system] once(user:line_count((0x563acd73bee0), 116))
^  Exit: (169) [user] must_det_ll(user:line_count((0x563acd73bee0), 116))
^  Call: (169) [user] must_det_ll(read_sform((0x563acd73bee0), _3084))
^  Call: (170) [user] once(user:read_sform((0x563acd73bee0), _3084))
^  Call: (171) [user] read_sform((0x563acd73bee0), _3084)
   Call: (172) [system] string((0x563acd73bee0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
   Call: (173) [system] string((0x563acd73bee0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), _3084)
   Call: (174) [system] at_end_of_stream((0x563acd73bee0))
   Call: (174) [system] peek_char((0x563acd73bee0), _1674302)
   Exit: (174) [system] peek_char((0x563acd73bee0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x563acd73bee0), '\n')
   Exit: (174) [system] get_char((0x563acd73bee0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x563acd73bee0), _3084)
   Call: (175) [system] at_end_of_stream((0x563acd73bee0))
   Call: (175) [system] peek_char((0x563acd73bee0), _1681724)
   Exit: (175) [system] peek_char((0x563acd73bee0), '\n')
   Call: (175) [system] char_type('\n', space)
   Exit: (175) [system] char_type('\n', space)
   Call: (175) [system] get_char((0x563acd73bee0), '\n')
   Exit: (175) [system] get_char((0x563acd73bee0), '\n')
^  Call: (175) [user] parse_sexpr_metta_IO((0x563acd73bee0), _3084)
   Call: (176) [system] at_end_of_stream((0x563acd73bee0))
   Call: (176) [system] peek_char((0x563acd73bee0), _1689146)
   Exit: (176) [system] peek_char((0x563acd73bee0), !)
   Call: (176) [system] char_type(!, space)
^  Call: (176) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
   Call: (177) [system] string((0x563acd73bee0))
^  Exit: (176) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
^  Call: (176) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), _3084)
^  Call: (177) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), _3084)
   Call: (178) [system] at_end_of_stream((0x563acd73bee0))
   Call: (178) [system] peek_char((0x563acd73bee0), _1697484)
   Exit: (178) [system] peek_char((0x563acd73bee0), !)
   Call: (178) [system] char_type(!, space)
   Call: (178) [system] _1700270=(0x563acd73bee0)
   Exit: (178) [system] (0x563acd73bee0)=(0x563acd73bee0)
^  Call: (178) [user] once((read_position((0x563acd73bee0), _1702138, _1702140, _1702142, _1702144), read_sexpr((0x563acd73bee0), _1702156), assertz(metta_file_comment(_1702138, _1702140, _1702142, _1702156, _1702144))))
^  Call: (180) [user] read_position((0x563acd73bee0), _1702138, _1702140, _1702142, _1702144)
   Call: (181) [system] stream_property((0x563acd73bee0), position(_1702144))
   Call: (182) [system] nonvar((0x563acd73bee0))
   Exit: (182) [system] nonvar((0x563acd73bee0))
   Call: (182) [system] nonvar(position(_1702144))
   Exit: (182) [system] nonvar(position(_1702144))
   Exit: (181) [system] stream_property((0x563acd73bee0), position('$stream_position'(4833, 118, 0, 4833)))
   Call: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(4833, 118, 0, 4833), _1702138)
   Call: (182) [system] nonvar(line_count)
   Exit: (182) [system] nonvar(line_count)
   Call: (182) [$syspreds] stream_position_field(line_count, _1712396)
   Exit: (182) [$syspreds] stream_position_field(line_count, 2)
   Call: (182) [system] arg(2, '$stream_position'(4833, 118, 0, 4833), _1702138)
   Exit: (182) [system] arg(2, '$stream_position'(4833, 118, 0, 4833), 118)
   Exit: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(4833, 118, 0, 4833), 118)
   Call: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(4833, 118, 0, 4833), _1702140)
   Call: (182) [system] nonvar(line_position)
   Exit: (182) [system] nonvar(line_position)
   Call: (182) [$syspreds] stream_position_field(line_position, _1719830)
   Exit: (182) [$syspreds] stream_position_field(line_position, 3)
   Call: (182) [system] arg(3, '$stream_position'(4833, 118, 0, 4833), _1702140)
   Exit: (182) [system] arg(3, '$stream_position'(4833, 118, 0, 4833), 0)
   Exit: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(4833, 118, 0, 4833), 0)
   Call: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(4833, 118, 0, 4833), _1702142)
   Call: (182) [system] nonvar(char_count)
   Exit: (182) [system] nonvar(char_count)
   Call: (182) [$syspreds] stream_position_field(char_count, _1727264)
   Exit: (182) [$syspreds] stream_position_field(char_count, 1)
   Call: (182) [system] arg(1, '$stream_position'(4833, 118, 0, 4833), _1702142)
   Exit: (182) [system] arg(1, '$stream_position'(4833, 118, 0, 4833), 4833)
   Exit: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(4833, 118, 0, 4833), 4833)
^  Exit: (180) [user] read_position((0x563acd73bee0), 118, 0, 4833, '$stream_position'(4833, 118, 0, 4833))
^  Call: (180) [user] read_sexpr((0x563acd73bee0), _1702156)
   Call: (181) [system] string((0x563acd73bee0))
   Fail: (181) [system] string((0x563acd73bee0))
^  Call: (181) [user] cont_sexpr(')', (0x563acd73bee0), _1702156)
^  Call: (182) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] peek_char((0x563acd73bee0), _1737490)
   Exit: (183) [system] peek_char((0x563acd73bee0), !)
   Call: (183) [system] !=(;)
   Fail: (183) [system] !=(;)
   Call: (183) [system] !=(/)
   Fail: (183) [system] !=(/)
^  Call: (183) [user] is_like_space(!)
   Call: (184) [system] char_type(!, 'white')
   Fail: (184) [system] char_type(!, 'white')
   Call: (184) [system] char_type(!, end_of_line)
   Fail: (184) [system] char_type(!, end_of_line)
   Call: (184) [system] char_type(!, space)
   Fail: (184) [system] char_type(!, space)
   Call: (184) [system] char_type(!, cntrl)
   Fail: (184) [system] char_type(!, cntrl)
^  Fail: (183) [user] is_like_space(!)
^  Exit: (182) [user] skip_spaces((0x563acd73bee0))
   Call: (182) [system] get_char((0x563acd73bee0), _1753500)
   Exit: (182) [system] get_char((0x563acd73bee0), !)
   Call: (182) [system] !='('
   Fail: (182) [system] !='('
   Call: (182) [system] !='['
   Fail: (182) [system] !='['
   Call: (182) [system] !='{'
   Fail: (182) [system] !='{'
   Call: (182) [system] !='"'
   Fail: (182) [system] !='"'
   Call: (182) [system] !=!
   Exit: (182) [system] !=!
^  Call: (182) [user] read_sexpr((0x563acd73bee0), _1764638)
   Call: (183) [system] string((0x563acd73bee0))
   Fail: (183) [system] string((0x563acd73bee0))
^  Call: (183) [user] cont_sexpr(')', (0x563acd73bee0), _1764638)
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _1769272)
   Exit: (185) [system] peek_char((0x563acd73bee0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] get_char((0x563acd73bee0), _1785282)
   Exit: (184) [system] get_char((0x563acd73bee0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x563acd73bee0), _1764638)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1790852)
   Exit: (186) [system] peek_char((0x563acd73bee0), a)
   Call: (186) [system] a=(;)
   Fail: (186) [system] a=(;)
   Call: (186) [system] a=(/)
   Fail: (186) [system] a=(/)
^  Call: (186) [user] is_like_space(a)
   Call: (187) [system] char_type(a, 'white')
   Fail: (187) [system] char_type(a, 'white')
   Call: (187) [system] char_type(a, end_of_line)
   Fail: (187) [system] char_type(a, end_of_line)
   Call: (187) [system] char_type(a, space)
   Fail: (187) [system] char_type(a, space)
   Call: (187) [system] char_type(a, cntrl)
   Fail: (187) [system] char_type(a, cntrl)
^  Fail: (186) [user] is_like_space(a)
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _1806862)
   Exit: (185) [system] peek_char((0x563acd73bee0), a)
   Call: (185) [system] a=')'
   Fail: (185) [system] a=')'
   Call: (185) [system] a=end_of_file
   Fail: (185) [system] a=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x563acd73bee0), _1812432)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _1814290)
   Exit: (187) [system] peek_char((0x563acd73bee0), a)
   Call: (187) [system] a=(;)
   Fail: (187) [system] a=(;)
   Call: (187) [system] a=(/)
   Fail: (187) [system] a=(/)
^  Call: (187) [user] is_like_space(a)
   Call: (188) [system] char_type(a, 'white')
   Fail: (188) [system] char_type(a, 'white')
   Call: (188) [system] char_type(a, end_of_line)
   Fail: (188) [system] char_type(a, end_of_line)
   Call: (188) [system] char_type(a, space)
   Fail: (188) [system] char_type(a, space)
   Call: (188) [system] char_type(a, cntrl)
   Fail: (188) [system] char_type(a, cntrl)
^  Fail: (187) [user] is_like_space(a)
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] get_char((0x563acd73bee0), _1830300)
   Exit: (186) [system] get_char((0x563acd73bee0), a)
   Call: (186) [system] a='('
   Fail: (186) [system] a='('
   Call: (186) [system] a='['
   Fail: (186) [system] a='['
   Call: (186) [system] a='{'
   Fail: (186) [system] a='{'
   Call: (186) [system] a='"'
   Fail: (186) [system] a='"'
   Call: (186) [system] a=!
   Fail: (186) [system] a=!
   Call: (186) [system] a='\''
   Fail: (186) [system] a='\''
   Call: (186) [system] a='`'
   Fail: (186) [system] a='`'
   Call: (186) [system] a=end_of_file
   Fail: (186) [system] a=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x563acd73bee0), a, _1812432)
^  Call: (187) [user] read_symbolic_cont(')', (0x563acd73bee0), _1847942)
   Call: (188) [system] peek_char((0x563acd73bee0), _1848876)
   Exit: (188) [system] peek_char((0x563acd73bee0), s)
^  Call: (188) [user] is_delimiter(s)
   Call: (189) [system] char_type(s, space)
   Fail: (189) [system] char_type(s, space)
   Call: (189) [system] arg(_1853596, v('(', ')', end_of_file), s)
   Fail: (189) [system] arg(_1854528, v('(', ')', end_of_file), s)
^  Fail: (188) [user] is_delimiter(s)
   Call: (188) [system] ')'==s
   Fail: (188) [system] ')'==s
   Call: (188) [system] get_char((0x563acd73bee0), s)
   Exit: (188) [system] get_char((0x563acd73bee0), s)
   Call: (188) [system] s=(\)
   Fail: (188) [system] s=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), _1861878)
   Call: (189) [system] peek_char((0x563acd73bee0), _1862812)
   Exit: (189) [system] peek_char((0x563acd73bee0), s)
^  Call: (189) [user] is_delimiter(s)
   Call: (190) [system] char_type(s, space)
   Fail: (190) [system] char_type(s, space)
   Call: (190) [system] arg(_1867532, v('(', ')', end_of_file), s)
   Fail: (190) [system] arg(_1868464, v('(', ')', end_of_file), s)
^  Fail: (189) [user] is_delimiter(s)
   Call: (189) [system] ')'==s
   Fail: (189) [system] ')'==s
   Call: (189) [system] get_char((0x563acd73bee0), s)
   Exit: (189) [system] get_char((0x563acd73bee0), s)
   Call: (189) [system] s=(\)
   Fail: (189) [system] s=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), _1875814)
   Call: (190) [system] peek_char((0x563acd73bee0), _1876748)
   Exit: (190) [system] peek_char((0x563acd73bee0), e)
^  Call: (190) [user] is_delimiter(e)
   Call: (191) [system] char_type(e, space)
   Fail: (191) [system] char_type(e, space)
   Call: (191) [system] arg(_1881468, v('(', ')', end_of_file), e)
   Fail: (191) [system] arg(_1882400, v('(', ')', end_of_file), e)
^  Fail: (190) [user] is_delimiter(e)
   Call: (190) [system] ')'==e
   Fail: (190) [system] ')'==e
   Call: (190) [system] get_char((0x563acd73bee0), e)
   Exit: (190) [system] get_char((0x563acd73bee0), e)
   Call: (190) [system] e=(\)
   Fail: (190) [system] e=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), _1889750)
   Call: (191) [system] peek_char((0x563acd73bee0), _1890684)
   Exit: (191) [system] peek_char((0x563acd73bee0), r)
^  Call: (191) [user] is_delimiter(r)
   Call: (192) [system] char_type(r, space)
   Fail: (192) [system] char_type(r, space)
   Call: (192) [system] arg(_1895404, v('(', ')', end_of_file), r)
   Fail: (192) [system] arg(_1896336, v('(', ')', end_of_file), r)
^  Fail: (191) [user] is_delimiter(r)
   Call: (191) [system] ')'==r
   Fail: (191) [system] ')'==r
   Call: (191) [system] get_char((0x563acd73bee0), r)
   Exit: (191) [system] get_char((0x563acd73bee0), r)
   Call: (191) [system] r=(\)
   Fail: (191) [system] r=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), _1903686)
   Call: (192) [system] peek_char((0x563acd73bee0), _1904620)
   Exit: (192) [system] peek_char((0x563acd73bee0), t)
^  Call: (192) [user] is_delimiter(t)
   Call: (193) [system] char_type(t, space)
   Fail: (193) [system] char_type(t, space)
   Call: (193) [system] arg(_1909340, v('(', ')', end_of_file), t)
   Fail: (193) [system] arg(_1910272, v('(', ')', end_of_file), t)
^  Fail: (192) [user] is_delimiter(t)
   Call: (192) [system] ')'==t
   Fail: (192) [system] ')'==t
   Call: (192) [system] get_char((0x563acd73bee0), t)
   Exit: (192) [system] get_char((0x563acd73bee0), t)
   Call: (192) [system] t=(\)
   Fail: (192) [system] t=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), _1917622)
   Call: (193) [system] peek_char((0x563acd73bee0), _1918556)
   Exit: (193) [system] peek_char((0x563acd73bee0), 'E')
^  Call: (193) [user] is_delimiter('E')
   Call: (194) [system] char_type('E', space)
   Fail: (194) [system] char_type('E', space)
   Call: (194) [system] arg(_1923276, v('(', ')', end_of_file), 'E')
   Fail: (194) [system] arg(_1924208, v('(', ')', end_of_file), 'E')
^  Fail: (193) [user] is_delimiter('E')
   Call: (193) [system] ')'=='E'
   Fail: (193) [system] ')'=='E'
   Call: (193) [system] get_char((0x563acd73bee0), 'E')
   Exit: (193) [system] get_char((0x563acd73bee0), 'E')
   Call: (193) [system] 'E'=(\)
   Fail: (193) [system] 'E'=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _1931558)
   Call: (194) [system] peek_char((0x563acd73bee0), _1932492)
   Exit: (194) [system] peek_char((0x563acd73bee0), q)
^  Call: (194) [user] is_delimiter(q)
   Call: (195) [system] char_type(q, space)
   Fail: (195) [system] char_type(q, space)
   Call: (195) [system] arg(_1937212, v('(', ')', end_of_file), q)
   Fail: (195) [system] arg(_1938144, v('(', ')', end_of_file), q)
^  Fail: (194) [user] is_delimiter(q)
   Call: (194) [system] ')'==q
   Fail: (194) [system] ')'==q
   Call: (194) [system] get_char((0x563acd73bee0), q)
   Exit: (194) [system] get_char((0x563acd73bee0), q)
   Call: (194) [system] q=(\)
   Fail: (194) [system] q=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _1945494)
   Call: (195) [system] peek_char((0x563acd73bee0), _1946428)
   Exit: (195) [system] peek_char((0x563acd73bee0), u)
^  Call: (195) [user] is_delimiter(u)
   Call: (196) [system] char_type(u, space)
   Fail: (196) [system] char_type(u, space)
   Call: (196) [system] arg(_1951148, v('(', ')', end_of_file), u)
   Fail: (196) [system] arg(_1952080, v('(', ')', end_of_file), u)
^  Fail: (195) [user] is_delimiter(u)
   Call: (195) [system] ')'==u
   Fail: (195) [system] ')'==u
   Call: (195) [system] get_char((0x563acd73bee0), u)
   Exit: (195) [system] get_char((0x563acd73bee0), u)
   Call: (195) [system] u=(\)
   Fail: (195) [system] u=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _1959430)
   Call: (196) [system] peek_char((0x563acd73bee0), _1960364)
   Exit: (196) [system] peek_char((0x563acd73bee0), a)
^  Call: (196) [user] is_delimiter(a)
   Call: (197) [system] char_type(a, space)
   Fail: (197) [system] char_type(a, space)
   Call: (197) [system] arg(_1965084, v('(', ')', end_of_file), a)
   Fail: (197) [system] arg(_1966016, v('(', ')', end_of_file), a)
^  Fail: (196) [user] is_delimiter(a)
   Call: (196) [system] ')'==a
   Fail: (196) [system] ')'==a
   Call: (196) [system] get_char((0x563acd73bee0), a)
   Exit: (196) [system] get_char((0x563acd73bee0), a)
   Call: (196) [system] a=(\)
   Fail: (196) [system] a=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _1973366)
   Call: (197) [system] peek_char((0x563acd73bee0), _1974300)
   Exit: (197) [system] peek_char((0x563acd73bee0), l)
^  Call: (197) [user] is_delimiter(l)
   Call: (198) [system] char_type(l, space)
   Fail: (198) [system] char_type(l, space)
   Call: (198) [system] arg(_1979020, v('(', ')', end_of_file), l)
   Fail: (198) [system] arg(_1979952, v('(', ')', end_of_file), l)
^  Fail: (197) [user] is_delimiter(l)
   Call: (197) [system] ')'==l
   Fail: (197) [system] ')'==l
   Call: (197) [system] get_char((0x563acd73bee0), l)
   Exit: (197) [system] get_char((0x563acd73bee0), l)
   Call: (197) [system] l=(\)
   Fail: (197) [system] l=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _1987302)
   Call: (198) [system] peek_char((0x563acd73bee0), _1988236)
   Exit: (198) [system] peek_char((0x563acd73bee0), 'T')
^  Call: (198) [user] is_delimiter('T')
   Call: (199) [system] char_type('T', space)
   Fail: (199) [system] char_type('T', space)
   Call: (199) [system] arg(_1992956, v('(', ')', end_of_file), 'T')
   Fail: (199) [system] arg(_1993888, v('(', ')', end_of_file), 'T')
^  Fail: (198) [user] is_delimiter('T')
   Call: (198) [system] ')'=='T'
   Fail: (198) [system] ')'=='T'
   Call: (198) [system] get_char((0x563acd73bee0), 'T')
   Exit: (198) [system] get_char((0x563acd73bee0), 'T')
   Call: (198) [system] 'T'=(\)
   Fail: (198) [system] 'T'=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _2001238)
   Call: (199) [system] peek_char((0x563acd73bee0), _2002172)
   Exit: (199) [system] peek_char((0x563acd73bee0), o)
^  Call: (199) [user] is_delimiter(o)
   Call: (200) [system] char_type(o, space)
   Fail: (200) [system] char_type(o, space)
   Call: (200) [system] arg(_2006892, v('(', ')', end_of_file), o)
   Fail: (200) [system] arg(_2007824, v('(', ')', end_of_file), o)
^  Fail: (199) [user] is_delimiter(o)
   Call: (199) [system] ')'==o
   Fail: (199) [system] ')'==o
   Call: (199) [system] get_char((0x563acd73bee0), o)
   Exit: (199) [system] get_char((0x563acd73bee0), o)
   Call: (199) [system] o=(\)
   Fail: (199) [system] o=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _2015174)
   Call: (200) [system] peek_char((0x563acd73bee0), _2016108)
   Exit: (200) [system] peek_char((0x563acd73bee0), 'R')
^  Call: (200) [user] is_delimiter('R')
   Call: (201) [system] char_type('R', space)
   Fail: (201) [system] char_type('R', space)
   Call: (201) [system] arg(_2020828, v('(', ')', end_of_file), 'R')
   Fail: (201) [system] arg(_2021760, v('(', ')', end_of_file), 'R')
^  Fail: (200) [user] is_delimiter('R')
   Call: (200) [system] ')'=='R'
   Fail: (200) [system] ')'=='R'
   Call: (200) [system] get_char((0x563acd73bee0), 'R')
   Exit: (200) [system] get_char((0x563acd73bee0), 'R')
   Call: (200) [system] 'R'=(\)
   Fail: (200) [system] 'R'=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _2029110)
   Call: (201) [system] peek_char((0x563acd73bee0), _2030044)
   Exit: (201) [system] peek_char((0x563acd73bee0), e)
^  Call: (201) [user] is_delimiter(e)
   Call: (202) [system] char_type(e, space)
   Fail: (202) [system] char_type(e, space)
   Call: (202) [system] arg(_2034764, v('(', ')', end_of_file), e)
   Fail: (202) [system] arg(_2035696, v('(', ')', end_of_file), e)
^  Fail: (201) [user] is_delimiter(e)
   Call: (201) [system] ')'==e
   Fail: (201) [system] ')'==e
   Call: (201) [system] get_char((0x563acd73bee0), e)
   Exit: (201) [system] get_char((0x563acd73bee0), e)
   Call: (201) [system] e=(\)
   Fail: (201) [system] e=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _2043046)
   Call: (202) [system] peek_char((0x563acd73bee0), _2043980)
   Exit: (202) [system] peek_char((0x563acd73bee0), s)
^  Call: (202) [user] is_delimiter(s)
   Call: (203) [system] char_type(s, space)
   Fail: (203) [system] char_type(s, space)
   Call: (203) [system] arg(_2048700, v('(', ')', end_of_file), s)
   Fail: (203) [system] arg(_2049632, v('(', ')', end_of_file), s)
^  Fail: (202) [user] is_delimiter(s)
   Call: (202) [system] ')'==s
   Fail: (202) [system] ')'==s
   Call: (202) [system] get_char((0x563acd73bee0), s)
   Exit: (202) [system] get_char((0x563acd73bee0), s)
   Call: (202) [system] s=(\)
   Fail: (202) [system] s=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _2056982)
   Call: (203) [system] peek_char((0x563acd73bee0), _2057916)
   Exit: (203) [system] peek_char((0x563acd73bee0), u)
^  Call: (203) [user] is_delimiter(u)
   Call: (204) [system] char_type(u, space)
   Fail: (204) [system] char_type(u, space)
   Call: (204) [system] arg(_2062636, v('(', ')', end_of_file), u)
   Fail: (204) [system] arg(_2063568, v('(', ')', end_of_file), u)
^  Fail: (203) [user] is_delimiter(u)
   Call: (203) [system] ')'==u
   Fail: (203) [system] ')'==u
   Call: (203) [system] get_char((0x563acd73bee0), u)
   Exit: (203) [system] get_char((0x563acd73bee0), u)
   Call: (203) [system] u=(\)
   Fail: (203) [system] u=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _2070918)
   Call: (204) [system] peek_char((0x563acd73bee0), _2071852)
   Exit: (204) [system] peek_char((0x563acd73bee0), l)
^  Call: (204) [user] is_delimiter(l)
   Call: (205) [system] char_type(l, space)
   Fail: (205) [system] char_type(l, space)
   Call: (205) [system] arg(_2076572, v('(', ')', end_of_file), l)
   Fail: (205) [system] arg(_2077504, v('(', ')', end_of_file), l)
^  Fail: (204) [user] is_delimiter(l)
   Call: (204) [system] ')'==l
   Fail: (204) [system] ')'==l
   Call: (204) [system] get_char((0x563acd73bee0), l)
   Exit: (204) [system] get_char((0x563acd73bee0), l)
   Call: (204) [system] l=(\)
   Fail: (204) [system] l=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _2084854)
   Call: (205) [system] peek_char((0x563acd73bee0), _2085788)
   Exit: (205) [system] peek_char((0x563acd73bee0), t)
^  Call: (205) [user] is_delimiter(t)
   Call: (206) [system] char_type(t, space)
   Fail: (206) [system] char_type(t, space)
   Call: (206) [system] arg(_2090508, v('(', ')', end_of_file), t)
   Fail: (206) [system] arg(_2091440, v('(', ')', end_of_file), t)
^  Fail: (205) [user] is_delimiter(t)
   Call: (205) [system] ')'==t
   Fail: (205) [system] ')'==t
   Call: (205) [system] get_char((0x563acd73bee0), t)
   Exit: (205) [system] get_char((0x563acd73bee0), t)
   Call: (205) [system] t=(\)
   Fail: (205) [system] t=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _5256)
   Call: (206) [system] peek_char((0x563acd73bee0), _6190)
   Exit: (206) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _5256=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (205) [system] _3438=[t]
   Exit: (205) [system] [t]=[t]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [t])
   Call: (204) [system] _3434=[l, t]
   Exit: (204) [system] [l, t]=[l, t]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, t])
   Call: (203) [system] _3430=[u, l, t]
   Exit: (203) [system] [u, l, t]=[u, l, t]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, l, t])
   Call: (202) [system] _3426=[s, u, l, t]
   Exit: (202) [system] [s, u, l, t]=[s, u, l, t]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, u, l, t])
   Call: (201) [system] _3422=[e, s, u, l, t]
   Exit: (201) [system] [e, s, u, l, t]=[e, s, u, l, t]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, s, u, l, t])
   Call: (200) [system] _3418=['R', e, s, u, l, t]
   Exit: (200) [system] ['R', e, s, u, l, t]=['R', e, s, u, l, t]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), ['R', e, s, u, l, t])
   Call: (199) [system] _3414=[o, 'R', e, s, u, l, t]
   Exit: (199) [system] [o, 'R', e, s, u, l, t]=[o, 'R', e, s, u, l, t]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, 'R', e, s, u, l, t])
   Call: (198) [system] _3410=['T', o, 'R', e, s, u, l, t]
   Exit: (198) [system] ['T', o, 'R', e, s, u, l, t]=['T', o, 'R', e, s, u, l, t]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), ['T', o, 'R', e, s, u, l, t])
   Call: (197) [system] _3406=[l, 'T', o, 'R', e, s, u, l, t]
   Exit: (197) [system] [l, 'T', o, 'R', e, s, u, l, t]=[l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, 'T', o, 'R', e, s, u, l, t])
   Call: (196) [system] _3402=[a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (196) [system] [a, l, 'T', o, 'R', e, s, u, l, t]=[a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (195) [system] _3398=[u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (195) [system] [u, a, l, 'T', o, 'R', e, s, u, l, t]=[u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (194) [system] _3394=[q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (194) [system] [q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (193) [system] _3390=['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (193) [system] ['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), ['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (192) [system] _3386=[t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (192) [system] [t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (191) [system] _3382=[r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (191) [system] [r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (190) [system] _3378=[e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (190) [system] [e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (189) [system] _3374=[s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (189) [system] [s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (188) [system] _3370=[s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (188) [system] [s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (187) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
^  Call: (187) [user] classify_and_convert_charseq([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], _3366)
^  Call: (188) [user] classify_and_convert_charseq_([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], _65766)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_66718, _66720), once(user:catch(read_from_chars([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], _65766), _66700, fail)), '$restore_trace'(_66718, _66720))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_66718, _66720))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], assertEqualToResult), _66700, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(assertEqualToResult)
   Exit: (189) [system] atomic(assertEqualToResult)
^  Exit: (188) [user] classify_and_convert_charseq_([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], assertEqualToResult)
   Call: (188) [system] integer(assertEqualToResult)
   Fail: (188) [system] integer(assertEqualToResult)
   Call: (188) [system] _3366=assertEqualToResult
   Exit: (188) [system] assertEqualToResult=assertEqualToResult
^  Exit: (187) [user] classify_and_convert_charseq([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], assertEqualToResult)
^  Exit: (186) [user] read_symbolic(')', (0x563acd73bee0), a, assertEqualToResult)
^  Exit: (185) [user] cont_sexpr(')', (0x563acd73bee0), assertEqualToResult)
^  Call: (185) [user] read_list(')', (0x563acd73bee0), _78846)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _80704)
   Exit: (187) [system] peek_char((0x563acd73bee0), ' ')
   Call: (187) [system] ' '=(;)
   Fail: (187) [system] ' '=(;)
   Call: (187) [system] ' '=(/)
   Fail: (187) [system] ' '=(/)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x563acd73bee0), _90298)
   Exit: (187) [system] get_char((0x563acd73bee0), ' ')
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _93002)
   Exit: (188) [system] peek_char((0x563acd73bee0), '\n')
   Call: (188) [system] '\n'=(;)
   Fail: (188) [system] '\n'=(;)
   Call: (188) [system] '\n'=(/)
   Fail: (188) [system] '\n'=(/)
^  Call: (188) [user] is_like_space('\n')
   Call: (189) [system] char_type('\n', 'white')
   Fail: (189) [system] char_type('\n', 'white')
   Call: (189) [system] char_type('\n', end_of_line)
   Exit: (189) [system] char_type('\n', end_of_line)
^  Exit: (188) [user] is_like_space('\n')
   Call: (188) [system] get_char((0x563acd73bee0), _104452)
   Exit: (188) [system] get_char((0x563acd73bee0), '\n')
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _107156)
   Exit: (189) [system] peek_char((0x563acd73bee0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x563acd73bee0), _116750)
   Exit: (189) [system] get_char((0x563acd73bee0), ' ')
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _119454)
   Exit: (190) [system] peek_char((0x563acd73bee0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x563acd73bee0), _129048)
   Exit: (190) [system] get_char((0x563acd73bee0), ' ')
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _131752)
   Exit: (191) [system] peek_char((0x563acd73bee0), ' ')
   Call: (191) [system] ' '=(;)
   Fail: (191) [system] ' '=(;)
   Call: (191) [system] ' '=(/)
   Fail: (191) [system] ' '=(/)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x563acd73bee0), _141346)
   Exit: (191) [system] get_char((0x563acd73bee0), ' ')
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _144050)
   Exit: (192) [system] peek_char((0x563acd73bee0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x563acd73bee0), _153644)
   Exit: (192) [system] get_char((0x563acd73bee0), ' ')
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _156348)
   Exit: (193) [system] peek_char((0x563acd73bee0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x563acd73bee0), _165942)
   Exit: (193) [system] get_char((0x563acd73bee0), ' ')
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _168646)
   Exit: (194) [system] peek_char((0x563acd73bee0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _191124)
   Exit: (186) [system] peek_char((0x563acd73bee0), '(')
   Call: (186) [system] '('=')'
   Fail: (186) [system] '('=')'
   Call: (186) [system] '('=end_of_file
   Fail: (186) [system] '('=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x563acd73bee0), _196694)
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _198552)
   Exit: (188) [system] peek_char((0x563acd73bee0), '(')
   Call: (188) [system] '('=(;)
   Fail: (188) [system] '('=(;)
   Call: (188) [system] '('=(/)
   Fail: (188) [system] '('=(/)
^  Call: (188) [user] is_like_space('(')
   Call: (189) [system] char_type('(', 'white')
   Fail: (189) [system] char_type('(', 'white')
   Call: (189) [system] char_type('(', end_of_line)
   Fail: (189) [system] char_type('(', end_of_line)
   Call: (189) [system] char_type('(', space)
   Fail: (189) [system] char_type('(', space)
   Call: (189) [system] char_type('(', cntrl)
   Fail: (189) [system] char_type('(', cntrl)
^  Fail: (188) [user] is_like_space('(')
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] get_char((0x563acd73bee0), _214562)
   Exit: (187) [system] get_char((0x563acd73bee0), '(')
   Call: (187) [system] '('='('
   Exit: (187) [system] '('='('
^  Call: (187) [user] read_list(')', (0x563acd73bee0), _196694)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _220132)
   Exit: (189) [system] peek_char((0x563acd73bee0), s)
   Call: (189) [system] s=(;)
   Fail: (189) [system] s=(;)
   Call: (189) [system] s=(/)
   Fail: (189) [system] s=(/)
^  Call: (189) [user] is_like_space(s)
   Call: (190) [system] char_type(s, 'white')
   Fail: (190) [system] char_type(s, 'white')
   Call: (190) [system] char_type(s, end_of_line)
   Fail: (190) [system] char_type(s, end_of_line)
   Call: (190) [system] char_type(s, space)
   Fail: (190) [system] char_type(s, space)
   Call: (190) [system] char_type(s, cntrl)
   Fail: (190) [system] char_type(s, cntrl)
^  Fail: (189) [user] is_like_space(s)
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _236142)
   Exit: (188) [system] peek_char((0x563acd73bee0), s)
   Call: (188) [system] s=')'
   Fail: (188) [system] s=')'
   Call: (188) [system] s=end_of_file
   Fail: (188) [system] s=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x563acd73bee0), _241712)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _243570)
   Exit: (190) [system] peek_char((0x563acd73bee0), s)
   Call: (190) [system] s=(;)
   Fail: (190) [system] s=(;)
   Call: (190) [system] s=(/)
   Fail: (190) [system] s=(/)
^  Call: (190) [user] is_like_space(s)
   Call: (191) [system] char_type(s, 'white')
   Fail: (191) [system] char_type(s, 'white')
   Call: (191) [system] char_type(s, end_of_line)
   Fail: (191) [system] char_type(s, end_of_line)
   Call: (191) [system] char_type(s, space)
   Fail: (191) [system] char_type(s, space)
   Call: (191) [system] char_type(s, cntrl)
   Fail: (191) [system] char_type(s, cntrl)
^  Fail: (190) [user] is_like_space(s)
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] get_char((0x563acd73bee0), _259580)
   Exit: (189) [system] get_char((0x563acd73bee0), s)
   Call: (189) [system] s='('
   Fail: (189) [system] s='('
   Call: (189) [system] s='['
   Fail: (189) [system] s='['
   Call: (189) [system] s='{'
   Fail: (189) [system] s='{'
   Call: (189) [system] s='"'
   Fail: (189) [system] s='"'
   Call: (189) [system] s=!
   Fail: (189) [system] s=!
   Call: (189) [system] s='\''
   Fail: (189) [system] s='\''
   Call: (189) [system] s='`'
   Fail: (189) [system] s='`'
   Call: (189) [system] s=end_of_file
   Fail: (189) [system] s=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x563acd73bee0), s, _241712)
^  Call: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), _277222)
   Call: (191) [system] peek_char((0x563acd73bee0), _278156)
   Exit: (191) [system] peek_char((0x563acd73bee0), y)
^  Call: (191) [user] is_delimiter(y)
   Call: (192) [system] char_type(y, space)
   Fail: (192) [system] char_type(y, space)
   Call: (192) [system] arg(_282876, v('(', ')', end_of_file), y)
   Fail: (192) [system] arg(_283808, v('(', ')', end_of_file), y)
^  Fail: (191) [user] is_delimiter(y)
   Call: (191) [system] ')'==y
   Fail: (191) [system] ')'==y
   Call: (191) [system] get_char((0x563acd73bee0), y)
   Exit: (191) [system] get_char((0x563acd73bee0), y)
   Call: (191) [system] y=(\)
   Fail: (191) [system] y=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), _291158)
   Call: (192) [system] peek_char((0x563acd73bee0), _292092)
   Exit: (192) [system] peek_char((0x563acd73bee0), n)
^  Call: (192) [user] is_delimiter(n)
   Call: (193) [system] char_type(n, space)
   Fail: (193) [system] char_type(n, space)
   Call: (193) [system] arg(_296812, v('(', ')', end_of_file), n)
   Fail: (193) [system] arg(_297744, v('(', ')', end_of_file), n)
^  Fail: (192) [user] is_delimiter(n)
   Call: (192) [system] ')'==n
   Fail: (192) [system] ')'==n
   Call: (192) [system] get_char((0x563acd73bee0), n)
   Exit: (192) [system] get_char((0x563acd73bee0), n)
   Call: (192) [system] n=(\)
   Fail: (192) [system] n=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), _305094)
   Call: (193) [system] peek_char((0x563acd73bee0), _306028)
   Exit: (193) [system] peek_char((0x563acd73bee0), t)
^  Call: (193) [user] is_delimiter(t)
   Call: (194) [system] char_type(t, space)
   Fail: (194) [system] char_type(t, space)
   Call: (194) [system] arg(_310748, v('(', ')', end_of_file), t)
   Fail: (194) [system] arg(_311680, v('(', ')', end_of_file), t)
^  Fail: (193) [user] is_delimiter(t)
   Call: (193) [system] ')'==t
   Fail: (193) [system] ')'==t
   Call: (193) [system] get_char((0x563acd73bee0), t)
   Exit: (193) [system] get_char((0x563acd73bee0), t)
   Call: (193) [system] t=(\)
   Fail: (193) [system] t=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _319030)
   Call: (194) [system] peek_char((0x563acd73bee0), _319964)
   Exit: (194) [system] peek_char((0x563acd73bee0), h)
^  Call: (194) [user] is_delimiter(h)
   Call: (195) [system] char_type(h, space)
   Fail: (195) [system] char_type(h, space)
   Call: (195) [system] arg(_324684, v('(', ')', end_of_file), h)
   Fail: (195) [system] arg(_325616, v('(', ')', end_of_file), h)
^  Fail: (194) [user] is_delimiter(h)
   Call: (194) [system] ')'==h
   Fail: (194) [system] ')'==h
   Call: (194) [system] get_char((0x563acd73bee0), h)
   Exit: (194) [system] get_char((0x563acd73bee0), h)
   Call: (194) [system] h=(\)
   Fail: (194) [system] h=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _332966)
   Call: (195) [system] peek_char((0x563acd73bee0), _333900)
   Exit: (195) [system] peek_char((0x563acd73bee0), e)
^  Call: (195) [user] is_delimiter(e)
   Call: (196) [system] char_type(e, space)
   Fail: (196) [system] char_type(e, space)
   Call: (196) [system] arg(_338620, v('(', ')', end_of_file), e)
   Fail: (196) [system] arg(_339552, v('(', ')', end_of_file), e)
^  Fail: (195) [user] is_delimiter(e)
   Call: (195) [system] ')'==e
   Fail: (195) [system] ')'==e
   Call: (195) [system] get_char((0x563acd73bee0), e)
   Exit: (195) [system] get_char((0x563acd73bee0), e)
   Call: (195) [system] e=(\)
   Fail: (195) [system] e=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _346902)
   Call: (196) [system] peek_char((0x563acd73bee0), _347836)
   Exit: (196) [system] peek_char((0x563acd73bee0), s)
^  Call: (196) [user] is_delimiter(s)
   Call: (197) [system] char_type(s, space)
   Fail: (197) [system] char_type(s, space)
   Call: (197) [system] arg(_352556, v('(', ')', end_of_file), s)
   Fail: (197) [system] arg(_353488, v('(', ')', end_of_file), s)
^  Fail: (196) [user] is_delimiter(s)
   Call: (196) [system] ')'==s
   Fail: (196) [system] ')'==s
   Call: (196) [system] get_char((0x563acd73bee0), s)
   Exit: (196) [system] get_char((0x563acd73bee0), s)
   Call: (196) [system] s=(\)
   Fail: (196) [system] s=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _360838)
   Call: (197) [system] peek_char((0x563acd73bee0), _361772)
   Exit: (197) [system] peek_char((0x563acd73bee0), i)
^  Call: (197) [user] is_delimiter(i)
   Call: (198) [system] char_type(i, space)
   Fail: (198) [system] char_type(i, space)
   Call: (198) [system] arg(_366492, v('(', ')', end_of_file), i)
   Fail: (198) [system] arg(_367424, v('(', ')', end_of_file), i)
^  Fail: (197) [user] is_delimiter(i)
   Call: (197) [system] ')'==i
   Fail: (197) [system] ')'==i
   Call: (197) [system] get_char((0x563acd73bee0), i)
   Exit: (197) [system] get_char((0x563acd73bee0), i)
   Call: (197) [system] i=(\)
   Fail: (197) [system] i=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _374774)
   Call: (198) [system] peek_char((0x563acd73bee0), _375708)
   Exit: (198) [system] peek_char((0x563acd73bee0), z)
^  Call: (198) [user] is_delimiter(z)
   Call: (199) [system] char_type(z, space)
   Fail: (199) [system] char_type(z, space)
   Call: (199) [system] arg(_380428, v('(', ')', end_of_file), z)
   Fail: (199) [system] arg(_381360, v('(', ')', end_of_file), z)
^  Fail: (198) [user] is_delimiter(z)
   Call: (198) [system] ')'==z
   Fail: (198) [system] ')'==z
   Call: (198) [system] get_char((0x563acd73bee0), z)
   Exit: (198) [system] get_char((0x563acd73bee0), z)
   Call: (198) [system] z=(\)
   Fail: (198) [system] z=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _388710)
   Call: (199) [system] peek_char((0x563acd73bee0), _389644)
   Exit: (199) [system] peek_char((0x563acd73bee0), e)
^  Call: (199) [user] is_delimiter(e)
   Call: (200) [system] char_type(e, space)
   Fail: (200) [system] char_type(e, space)
   Call: (200) [system] arg(_394364, v('(', ')', end_of_file), e)
   Fail: (200) [system] arg(_395296, v('(', ')', end_of_file), e)
^  Fail: (199) [user] is_delimiter(e)
   Call: (199) [system] ')'==e
   Fail: (199) [system] ')'==e
   Call: (199) [system] get_char((0x563acd73bee0), e)
   Exit: (199) [system] get_char((0x563acd73bee0), e)
   Call: (199) [system] e=(\)
   Fail: (199) [system] e=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _402646)
   Call: (200) [system] peek_char((0x563acd73bee0), _403580)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _402646=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (199) [system] _388710=[e]
   Exit: (199) [system] [e]=[e]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [e])
   Call: (198) [system] _374774=[z, e]
   Exit: (198) [system] [z, e]=[z, e]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [z, e])
   Call: (197) [system] _360838=[i, z, e]
   Exit: (197) [system] [i, z, e]=[i, z, e]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, z, e])
   Call: (196) [system] _346902=[s, i, z, e]
   Exit: (196) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, i, z, e])
   Call: (195) [system] _332966=[e, s, i, z, e]
   Exit: (195) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, s, i, z, e])
   Call: (194) [system] _319030=[h, e, s, i, z, e]
   Exit: (194) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [h, e, s, i, z, e])
   Call: (193) [system] _305094=[t, h, e, s, i, z, e]
   Exit: (193) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, h, e, s, i, z, e])
   Call: (192) [system] _291158=[n, t, h, e, s, i, z, e]
   Exit: (192) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, h, e, s, i, z, e])
   Call: (191) [system] _277222=[y, n, t, h, e, s, i, z, e]
   Exit: (191) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), [y, n, t, h, e, s, i, z, e])
^  Call: (190) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _241712)
^  Call: (191) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _438010)
^  Call: (193) [system] setup_call_cleanup('$notrace'(_438962, _438964), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _438010), _438944, fail)), '$restore_trace'(_438962, _438964))
^  Call: (194) [system] sig_atomic(system:'$notrace'(_438962, _438964))
^  Exit: (193) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _438944, fail)), system:'$restore_trace'(3, -1))
   Call: (192) [system] atomic(synthesize)
   Exit: (192) [system] atomic(synthesize)
^  Exit: (191) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (191) [system] integer(synthesize)
   Fail: (191) [system] integer(synthesize)
   Call: (191) [system] _241712=synthesize
   Exit: (191) [system] synthesize=synthesize
^  Exit: (190) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (189) [user] read_symbolic(')', (0x563acd73bee0), s, synthesize)
^  Exit: (188) [user] cont_sexpr(')', (0x563acd73bee0), synthesize)
^  Call: (188) [user] read_list(')', (0x563acd73bee0), _451090)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _452948)
   Exit: (190) [system] peek_char((0x563acd73bee0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x563acd73bee0), _462542)
   Exit: (190) [system] get_char((0x563acd73bee0), ' ')
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _465246)
   Exit: (191) [system] peek_char((0x563acd73bee0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _482180)
   Exit: (189) [system] peek_char((0x563acd73bee0), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x563acd73bee0), _487750)
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _489608)
   Exit: (191) [system] peek_char((0x563acd73bee0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] get_char((0x563acd73bee0), _505618)
   Exit: (190) [system] get_char((0x563acd73bee0), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x563acd73bee0), _487750)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _511188)
   Exit: (192) [system] peek_char((0x563acd73bee0), :)
   Call: (192) [system] (:)=(;)
   Fail: (192) [system] (:)=(;)
   Call: (192) [system] (:)=(/)
   Fail: (192) [system] (:)=(/)
^  Call: (192) [user] is_like_space(:)
   Call: (193) [system] char_type(:, 'white')
   Fail: (193) [system] char_type(:, 'white')
   Call: (193) [system] char_type(:, end_of_line)
   Fail: (193) [system] char_type(:, end_of_line)
   Call: (193) [system] char_type(:, space)
   Fail: (193) [system] char_type(:, space)
   Call: (193) [system] char_type(:, cntrl)
   Fail: (193) [system] char_type(:, cntrl)
^  Fail: (192) [user] is_like_space(:)
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _527198)
   Exit: (191) [system] peek_char((0x563acd73bee0), :)
   Call: (191) [system] (:)=')'
   Fail: (191) [system] (:)=')'
   Call: (191) [system] (:)=end_of_file
   Fail: (191) [system] (:)=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x563acd73bee0), _532768)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _534626)
   Exit: (193) [system] peek_char((0x563acd73bee0), :)
   Call: (193) [system] (:)=(;)
   Fail: (193) [system] (:)=(;)
   Call: (193) [system] (:)=(/)
   Fail: (193) [system] (:)=(/)
^  Call: (193) [user] is_like_space(:)
   Call: (194) [system] char_type(:, 'white')
   Fail: (194) [system] char_type(:, 'white')
   Call: (194) [system] char_type(:, end_of_line)
   Fail: (194) [system] char_type(:, end_of_line)
   Call: (194) [system] char_type(:, space)
   Fail: (194) [system] char_type(:, space)
   Call: (194) [system] char_type(:, cntrl)
   Fail: (194) [system] char_type(:, cntrl)
^  Fail: (193) [user] is_like_space(:)
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] get_char((0x563acd73bee0), _550636)
   Exit: (192) [system] get_char((0x563acd73bee0), :)
   Call: (192) [system] (:)='('
   Fail: (192) [system] (:)='('
   Call: (192) [system] (:)='['
   Fail: (192) [system] (:)='['
   Call: (192) [system] (:)='{'
   Fail: (192) [system] (:)='{'
   Call: (192) [system] (:)='"'
   Fail: (192) [system] (:)='"'
   Call: (192) [system] (:)=!
   Fail: (192) [system] (:)=!
   Call: (192) [system] (:)='\''
   Fail: (192) [system] (:)='\''
   Call: (192) [system] (:)='`'
   Fail: (192) [system] (:)='`'
   Call: (192) [system] (:)=end_of_file
   Fail: (192) [system] (:)=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x563acd73bee0), :, _532768)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _568278)
   Call: (194) [system] peek_char((0x563acd73bee0), _569212)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _568278=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (193) [user] classify_and_convert_charseq([:], _532768)
^  Call: (194) [user] classify_and_convert_charseq_([:], _578496)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_579448, _579450), once(user:catch(read_from_chars([:], _578496), _579430, fail)), '$restore_trace'(_579448, _579450))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_579448, _579450))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _579430, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(:)
   Exit: (195) [system] atomic(:)
^  Exit: (194) [user] classify_and_convert_charseq_([:], :)
   Call: (194) [system] integer(:)
   Fail: (194) [system] integer(:)
   Call: (194) [system] _532768=(:)
   Exit: (194) [system] (:)=(:)
^  Exit: (193) [user] classify_and_convert_charseq([:], :)
^  Exit: (192) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (191) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (191) [user] read_list(')', (0x563acd73bee0), _591576)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _593434)
   Exit: (193) [system] peek_char((0x563acd73bee0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x563acd73bee0), _603028)
   Exit: (193) [system] get_char((0x563acd73bee0), ' ')
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _605732)
   Exit: (194) [system] peek_char((0x563acd73bee0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _622666)
   Exit: (192) [system] peek_char((0x563acd73bee0), $)
   Call: (192) [system] ($)=')'
   Fail: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x563acd73bee0), _628236)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _630094)
   Exit: (194) [system] peek_char((0x563acd73bee0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] get_char((0x563acd73bee0), _646104)
   Exit: (193) [system] get_char((0x563acd73bee0), $)
   Call: (193) [system] ($)='('
   Fail: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Fail: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Fail: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Fail: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Fail: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Fail: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Fail: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x563acd73bee0), $, _628236)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _663746)
   Call: (195) [system] peek_char((0x563acd73bee0), _664680)
   Exit: (195) [system] peek_char((0x563acd73bee0), t)
^  Call: (195) [user] is_delimiter(t)
   Call: (196) [system] char_type(t, space)
   Fail: (196) [system] char_type(t, space)
   Call: (196) [system] arg(_669400, v('(', ')', end_of_file), t)
   Fail: (196) [system] arg(_670332, v('(', ')', end_of_file), t)
^  Fail: (195) [user] is_delimiter(t)
   Call: (195) [system] ')'==t
   Fail: (195) [system] ')'==t
   Call: (195) [system] get_char((0x563acd73bee0), t)
   Exit: (195) [system] get_char((0x563acd73bee0), t)
   Call: (195) [system] t=(\)
   Fail: (195) [system] t=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _677682)
   Call: (196) [system] peek_char((0x563acd73bee0), _678616)
   Exit: (196) [system] peek_char((0x563acd73bee0), e)
^  Call: (196) [user] is_delimiter(e)
   Call: (197) [system] char_type(e, space)
   Fail: (197) [system] char_type(e, space)
   Call: (197) [system] arg(_683336, v('(', ')', end_of_file), e)
   Fail: (197) [system] arg(_684268, v('(', ')', end_of_file), e)
^  Fail: (196) [user] is_delimiter(e)
   Call: (196) [system] ')'==e
   Fail: (196) [system] ')'==e
   Call: (196) [system] get_char((0x563acd73bee0), e)
   Exit: (196) [system] get_char((0x563acd73bee0), e)
   Call: (196) [system] e=(\)
   Fail: (196) [system] e=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _691618)
   Call: (197) [system] peek_char((0x563acd73bee0), _692552)
   Exit: (197) [system] peek_char((0x563acd73bee0), r)
^  Call: (197) [user] is_delimiter(r)
   Call: (198) [system] char_type(r, space)
   Fail: (198) [system] char_type(r, space)
   Call: (198) [system] arg(_697272, v('(', ')', end_of_file), r)
   Fail: (198) [system] arg(_698204, v('(', ')', end_of_file), r)
^  Fail: (197) [user] is_delimiter(r)
   Call: (197) [system] ')'==r
   Fail: (197) [system] ')'==r
   Call: (197) [system] get_char((0x563acd73bee0), r)
   Exit: (197) [system] get_char((0x563acd73bee0), r)
   Call: (197) [system] r=(\)
   Fail: (197) [system] r=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _705554)
   Call: (198) [system] peek_char((0x563acd73bee0), _706488)
   Exit: (198) [system] peek_char((0x563acd73bee0), m)
^  Call: (198) [user] is_delimiter(m)
   Call: (199) [system] char_type(m, space)
   Fail: (199) [system] char_type(m, space)
   Call: (199) [system] arg(_711208, v('(', ')', end_of_file), m)
   Fail: (199) [system] arg(_712140, v('(', ')', end_of_file), m)
^  Fail: (198) [user] is_delimiter(m)
   Call: (198) [system] ')'==m
   Fail: (198) [system] ')'==m
   Call: (198) [system] get_char((0x563acd73bee0), m)
   Exit: (198) [system] get_char((0x563acd73bee0), m)
   Call: (198) [system] m=(\)
   Fail: (198) [system] m=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _719490)
   Call: (199) [system] peek_char((0x563acd73bee0), _720424)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (199) [user] is_delimiter(' ')
   Call: (200) [system] char_type(' ', space)
   Exit: (200) [system] char_type(' ', space)
^  Exit: (199) [user] is_delimiter(' ')
   Call: (199) [system] _719490=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (198) [system] _705554=[m]
   Exit: (198) [system] [m]=[m]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [m])
   Call: (197) [system] _691618=[r, m]
   Exit: (197) [system] [r, m]=[r, m]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, m])
   Call: (196) [system] _677682=[e, r, m]
   Exit: (196) [system] [e, r, m]=[e, r, m]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, r, m])
   Call: (195) [system] _663746=[t, e, r, m]
   Exit: (195) [system] [t, e, r, m]=[t, e, r, m]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, e, r, m])
^  Call: (194) [user] classify_and_convert_charseq([$, t, e, r, m], _628236)
^  Call: (195) [user] classify_and_convert_charseq_([$, t, e, r, m], _740884)
   Call: (196) [system] atom_chars(_741816, ['_', t, e, r, m])
   Exit: (196) [system] atom_chars('_term', ['_', t, e, r, m])
^  Exit: (195) [user] classify_and_convert_charseq_([$, t, e, r, m], _term)
   Call: (195) [system] integer(_term)
   Fail: (195) [system] integer(_term)
   Call: (195) [system] _628236=_term
   Exit: (195) [system] _term=_term
^  Exit: (194) [user] classify_and_convert_charseq([$, t, e, r, m], _term)
^  Exit: (193) [user] read_symbolic(')', (0x563acd73bee0), $, _term)
^  Exit: (192) [user] cont_sexpr(')', (0x563acd73bee0), _term)
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _751108)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _752966)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x563acd73bee0), _762560)
   Exit: (194) [system] get_char((0x563acd73bee0), ' ')
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _765264)
   Exit: (195) [system] peek_char((0x563acd73bee0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _782198)
   Exit: (193) [system] peek_char((0x563acd73bee0), $)
   Call: (193) [system] ($)=')'
   Fail: (193) [system] ($)=')'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x563acd73bee0), _787768)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _789626)
   Exit: (195) [system] peek_char((0x563acd73bee0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] get_char((0x563acd73bee0), _805636)
   Exit: (194) [system] get_char((0x563acd73bee0), $)
   Call: (194) [system] ($)='('
   Fail: (194) [system] ($)='('
   Call: (194) [system] ($)='['
   Fail: (194) [system] ($)='['
   Call: (194) [system] ($)='{'
   Fail: (194) [system] ($)='{'
   Call: (194) [system] ($)='"'
   Fail: (194) [system] ($)='"'
   Call: (194) [system] ($)=!
   Fail: (194) [system] ($)=!
   Call: (194) [system] ($)='\''
   Fail: (194) [system] ($)='\''
   Call: (194) [system] ($)='`'
   Fail: (194) [system] ($)='`'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x563acd73bee0), $, _787768)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _823278)
   Call: (196) [system] peek_char((0x563acd73bee0), _824212)
   Exit: (196) [system] peek_char((0x563acd73bee0), t)
^  Call: (196) [user] is_delimiter(t)
   Call: (197) [system] char_type(t, space)
   Fail: (197) [system] char_type(t, space)
   Call: (197) [system] arg(_828932, v('(', ')', end_of_file), t)
   Fail: (197) [system] arg(_829864, v('(', ')', end_of_file), t)
^  Fail: (196) [user] is_delimiter(t)
   Call: (196) [system] ')'==t
   Fail: (196) [system] ')'==t
   Call: (196) [system] get_char((0x563acd73bee0), t)
   Exit: (196) [system] get_char((0x563acd73bee0), t)
   Call: (196) [system] t=(\)
   Fail: (196) [system] t=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _837214)
   Call: (197) [system] peek_char((0x563acd73bee0), _838148)
   Exit: (197) [system] peek_char((0x563acd73bee0), y)
^  Call: (197) [user] is_delimiter(y)
   Call: (198) [system] char_type(y, space)
   Fail: (198) [system] char_type(y, space)
   Call: (198) [system] arg(_842868, v('(', ')', end_of_file), y)
   Fail: (198) [system] arg(_843800, v('(', ')', end_of_file), y)
^  Fail: (197) [user] is_delimiter(y)
   Call: (197) [system] ')'==y
   Fail: (197) [system] ')'==y
   Call: (197) [system] get_char((0x563acd73bee0), y)
   Exit: (197) [system] get_char((0x563acd73bee0), y)
   Call: (197) [system] y=(\)
   Fail: (197) [system] y=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _851150)
   Call: (198) [system] peek_char((0x563acd73bee0), _852084)
   Exit: (198) [system] peek_char((0x563acd73bee0), p)
^  Call: (198) [user] is_delimiter(p)
   Call: (199) [system] char_type(p, space)
   Fail: (199) [system] char_type(p, space)
   Call: (199) [system] arg(_856804, v('(', ')', end_of_file), p)
   Fail: (199) [system] arg(_857736, v('(', ')', end_of_file), p)
^  Fail: (198) [user] is_delimiter(p)
   Call: (198) [system] ')'==p
   Fail: (198) [system] ')'==p
   Call: (198) [system] get_char((0x563acd73bee0), p)
   Exit: (198) [system] get_char((0x563acd73bee0), p)
   Call: (198) [system] p=(\)
   Fail: (198) [system] p=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _865086)
   Call: (199) [system] peek_char((0x563acd73bee0), _866020)
   Exit: (199) [system] peek_char((0x563acd73bee0), e)
^  Call: (199) [user] is_delimiter(e)
   Call: (200) [system] char_type(e, space)
   Fail: (200) [system] char_type(e, space)
   Call: (200) [system] arg(_870740, v('(', ')', end_of_file), e)
   Fail: (200) [system] arg(_871672, v('(', ')', end_of_file), e)
^  Fail: (199) [user] is_delimiter(e)
   Call: (199) [system] ')'==e
   Fail: (199) [system] ')'==e
   Call: (199) [system] get_char((0x563acd73bee0), e)
   Exit: (199) [system] get_char((0x563acd73bee0), e)
   Call: (199) [system] e=(\)
   Fail: (199) [system] e=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _879022)
   Call: (200) [system] peek_char((0x563acd73bee0), _879956)
   Exit: (200) [system] peek_char((0x563acd73bee0), ')')
^  Call: (200) [user] is_delimiter(')')
   Call: (201) [system] char_type(')', space)
   Fail: (201) [system] char_type(')', space)
   Call: (201) [system] arg(_884676, v('(', ')', end_of_file), ')')
   Exit: (201) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (200) [user] is_delimiter(')')
   Call: (200) [system] _879022=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (199) [system] _865086=[e]
   Exit: (199) [system] [e]=[e]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [e])
   Call: (198) [system] _851150=[p, e]
   Exit: (198) [system] [p, e]=[p, e]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, e])
   Call: (197) [system] _837214=[y, p, e]
   Exit: (197) [system] [y, p, e]=[y, p, e]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [y, p, e])
   Call: (196) [system] _823278=[t, y, p, e]
   Exit: (196) [system] [t, y, p, e]=[t, y, p, e]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, y, p, e])
^  Call: (195) [user] classify_and_convert_charseq([$, t, y, p, e], _787768)
^  Call: (196) [user] classify_and_convert_charseq_([$, t, y, p, e], _902288)
   Call: (197) [system] atom_chars(_903220, ['_', t, y, p, e])
   Exit: (197) [system] atom_chars('_type', ['_', t, y, p, e])
^  Exit: (196) [user] classify_and_convert_charseq_([$, t, y, p, e], _type)
   Call: (196) [system] integer(_type)
   Fail: (196) [system] integer(_type)
   Call: (196) [system] _787768=_type
   Exit: (196) [system] _type=_type
^  Exit: (195) [user] classify_and_convert_charseq([$, t, y, p, e], _type)
^  Exit: (194) [user] read_symbolic(')', (0x563acd73bee0), $, _type)
^  Exit: (193) [user] cont_sexpr(')', (0x563acd73bee0), _type)
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _912512)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _914370)
   Exit: (195) [system] peek_char((0x563acd73bee0), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
   Call: (195) [system] ')'=(/)
   Fail: (195) [system] ')'=(/)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _930380)
   Exit: (194) [system] peek_char((0x563acd73bee0), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x563acd73bee0), _934170)
   Exit: (194) [system] get_char((0x563acd73bee0), ')')
   Call: (194) [system] _912512=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), [])
   Call: (193) [system] _751108=[_type]
   Exit: (193) [system] [_type]=[_type]
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), [_type])
   Call: (192) [system] _591576=[_term, _type]
   Exit: (192) [system] [_term, _type]=[_term, _type]
^  Exit: (191) [user] read_list(')', (0x563acd73bee0), [_term, _type])
   Call: (191) [system] _487750=[:, _term, _type]
   Exit: (191) [system] [:, _term, _type]=[:, _term, _type]
^  Exit: (190) [user] read_list(')', (0x563acd73bee0), [:, _term, _type])
^  Exit: (189) [user] cont_sexpr(')', (0x563acd73bee0), [:, _term, _type])
^  Call: (189) [user] read_list(')', (0x563acd73bee0), _948052)
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _949910)
   Exit: (191) [system] peek_char((0x563acd73bee0), ' ')
   Call: (191) [system] ' '=(;)
   Fail: (191) [system] ' '=(;)
   Call: (191) [system] ' '=(/)
   Fail: (191) [system] ' '=(/)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x563acd73bee0), _959504)
   Exit: (191) [system] get_char((0x563acd73bee0), ' ')
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _962208)
   Exit: (192) [system] peek_char((0x563acd73bee0), k)
   Call: (192) [system] k=(;)
   Fail: (192) [system] k=(;)
   Call: (192) [system] k=(/)
   Fail: (192) [system] k=(/)
^  Call: (192) [user] is_like_space(k)
   Call: (193) [system] char_type(k, 'white')
   Fail: (193) [system] char_type(k, 'white')
   Call: (193) [system] char_type(k, end_of_line)
   Fail: (193) [system] char_type(k, end_of_line)
   Call: (193) [system] char_type(k, space)
   Fail: (193) [system] char_type(k, space)
   Call: (193) [system] char_type(k, cntrl)
   Fail: (193) [system] char_type(k, cntrl)
^  Fail: (192) [user] is_like_space(k)
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _979142)
   Exit: (190) [system] peek_char((0x563acd73bee0), k)
   Call: (190) [system] k=')'
   Fail: (190) [system] k=')'
   Call: (190) [system] k=end_of_file
   Fail: (190) [system] k=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x563acd73bee0), _984712)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _986570)
   Exit: (192) [system] peek_char((0x563acd73bee0), k)
   Call: (192) [system] k=(;)
   Fail: (192) [system] k=(;)
   Call: (192) [system] k=(/)
   Fail: (192) [system] k=(/)
^  Call: (192) [user] is_like_space(k)
   Call: (193) [system] char_type(k, 'white')
   Fail: (193) [system] char_type(k, 'white')
   Call: (193) [system] char_type(k, end_of_line)
   Fail: (193) [system] char_type(k, end_of_line)
   Call: (193) [system] char_type(k, space)
   Fail: (193) [system] char_type(k, space)
   Call: (193) [system] char_type(k, cntrl)
   Fail: (193) [system] char_type(k, cntrl)
^  Fail: (192) [user] is_like_space(k)
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] get_char((0x563acd73bee0), _1002580)
   Exit: (191) [system] get_char((0x563acd73bee0), k)
   Call: (191) [system] k='('
   Fail: (191) [system] k='('
   Call: (191) [system] k='['
   Fail: (191) [system] k='['
   Call: (191) [system] k='{'
   Fail: (191) [system] k='{'
   Call: (191) [system] k='"'
   Fail: (191) [system] k='"'
   Call: (191) [system] k=!
   Fail: (191) [system] k=!
   Call: (191) [system] k='\''
   Fail: (191) [system] k='\''
   Call: (191) [system] k='`'
   Fail: (191) [system] k='`'
   Call: (191) [system] k=end_of_file
   Fail: (191) [system] k=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x563acd73bee0), k, _984712)
^  Call: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), _1020222)
   Call: (193) [system] peek_char((0x563acd73bee0), _1021156)
   Exit: (193) [system] peek_char((0x563acd73bee0), b)
^  Call: (193) [user] is_delimiter(b)
   Call: (194) [system] char_type(b, space)
   Fail: (194) [system] char_type(b, space)
   Call: (194) [system] arg(_1025876, v('(', ')', end_of_file), b)
   Fail: (194) [system] arg(_1026808, v('(', ')', end_of_file), b)
^  Fail: (193) [user] is_delimiter(b)
   Call: (193) [system] ')'==b
   Fail: (193) [system] ')'==b
   Call: (193) [system] get_char((0x563acd73bee0), b)
   Exit: (193) [system] get_char((0x563acd73bee0), b)
   Call: (193) [system] b=(\)
   Fail: (193) [system] b=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _1034158)
   Call: (194) [system] peek_char((0x563acd73bee0), _1035092)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _1034158=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (193) [system] _1020222=[b]
   Exit: (193) [system] [b]=[b]
^  Exit: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
^  Call: (192) [user] classify_and_convert_charseq([k, b], _984712)
^  Call: (193) [user] classify_and_convert_charseq_([k, b], _1047170)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_1048122, _1048124), once(user:catch(read_from_chars([k, b], _1047170), _1048104, fail)), '$restore_trace'(_1048122, _1048124))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_1048122, _1048124))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([k, b], kb), _1048104, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(kb)
   Exit: (194) [system] atomic(kb)
^  Exit: (193) [user] classify_and_convert_charseq_([k, b], kb)
   Call: (193) [system] integer(kb)
   Fail: (193) [system] integer(kb)
   Call: (193) [system] _984712=kb
   Exit: (193) [system] kb=kb
^  Exit: (192) [user] classify_and_convert_charseq([k, b], kb)
^  Exit: (191) [user] read_symbolic(')', (0x563acd73bee0), k, kb)
^  Exit: (190) [user] cont_sexpr(')', (0x563acd73bee0), kb)
^  Call: (190) [user] read_list(')', (0x563acd73bee0), _1060250)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1062108)
   Exit: (192) [system] peek_char((0x563acd73bee0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x563acd73bee0), _1071702)
   Exit: (192) [system] get_char((0x563acd73bee0), ' ')
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1074406)
   Exit: (193) [system] peek_char((0x563acd73bee0), r)
   Call: (193) [system] r=(;)
   Fail: (193) [system] r=(;)
   Call: (193) [system] r=(/)
   Fail: (193) [system] r=(/)
^  Call: (193) [user] is_like_space(r)
   Call: (194) [system] char_type(r, 'white')
   Fail: (194) [system] char_type(r, 'white')
   Call: (194) [system] char_type(r, end_of_line)
   Fail: (194) [system] char_type(r, end_of_line)
   Call: (194) [system] char_type(r, space)
   Fail: (194) [system] char_type(r, space)
   Call: (194) [system] char_type(r, cntrl)
   Fail: (194) [system] char_type(r, cntrl)
^  Fail: (193) [user] is_like_space(r)
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _1091340)
   Exit: (191) [system] peek_char((0x563acd73bee0), r)
   Call: (191) [system] r=')'
   Fail: (191) [system] r=')'
   Call: (191) [system] r=end_of_file
   Fail: (191) [system] r=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x563acd73bee0), _1096910)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1098768)
   Exit: (193) [system] peek_char((0x563acd73bee0), r)
   Call: (193) [system] r=(;)
   Fail: (193) [system] r=(;)
   Call: (193) [system] r=(/)
   Fail: (193) [system] r=(/)
^  Call: (193) [user] is_like_space(r)
   Call: (194) [system] char_type(r, 'white')
   Fail: (194) [system] char_type(r, 'white')
   Call: (194) [system] char_type(r, end_of_line)
   Fail: (194) [system] char_type(r, end_of_line)
   Call: (194) [system] char_type(r, space)
   Fail: (194) [system] char_type(r, space)
   Call: (194) [system] char_type(r, cntrl)
   Fail: (194) [system] char_type(r, cntrl)
^  Fail: (193) [user] is_like_space(r)
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] get_char((0x563acd73bee0), _1114778)
   Exit: (192) [system] get_char((0x563acd73bee0), r)
   Call: (192) [system] r='('
   Fail: (192) [system] r='('
   Call: (192) [system] r='['
   Fail: (192) [system] r='['
   Call: (192) [system] r='{'
   Fail: (192) [system] r='{'
   Call: (192) [system] r='"'
   Fail: (192) [system] r='"'
   Call: (192) [system] r=!
   Fail: (192) [system] r=!
   Call: (192) [system] r='\''
   Fail: (192) [system] r='\''
   Call: (192) [system] r='`'
   Fail: (192) [system] r='`'
   Call: (192) [system] r=end_of_file
   Fail: (192) [system] r=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x563acd73bee0), r, _1096910)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _1132420)
   Call: (194) [system] peek_char((0x563acd73bee0), _1133354)
   Exit: (194) [system] peek_char((0x563acd73bee0), b)
^  Call: (194) [user] is_delimiter(b)
   Call: (195) [system] char_type(b, space)
   Fail: (195) [system] char_type(b, space)
   Call: (195) [system] arg(_1138074, v('(', ')', end_of_file), b)
   Fail: (195) [system] arg(_1139006, v('(', ')', end_of_file), b)
^  Fail: (194) [user] is_delimiter(b)
   Call: (194) [system] ')'==b
   Fail: (194) [system] ')'==b
   Call: (194) [system] get_char((0x563acd73bee0), b)
   Exit: (194) [system] get_char((0x563acd73bee0), b)
   Call: (194) [system] b=(\)
   Fail: (194) [system] b=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _1146356)
   Call: (195) [system] peek_char((0x563acd73bee0), _1147290)
   Exit: (195) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (195) [user] is_delimiter(' ')
   Call: (196) [system] char_type(' ', space)
   Exit: (196) [system] char_type(' ', space)
^  Exit: (195) [user] is_delimiter(' ')
   Call: (195) [system] _1146356=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (194) [system] _1132420=[b]
   Exit: (194) [system] [b]=[b]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
^  Call: (193) [user] classify_and_convert_charseq([r, b], _1096910)
^  Call: (194) [user] classify_and_convert_charseq_([r, b], _1159368)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_1160320, _1160322), once(user:catch(read_from_chars([r, b], _1159368), _1160302, fail)), '$restore_trace'(_1160320, _1160322))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_1160320, _1160322))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([r, b], rb), _1160302, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(rb)
   Exit: (195) [system] atomic(rb)
^  Exit: (194) [user] classify_and_convert_charseq_([r, b], rb)
   Call: (194) [system] integer(rb)
   Fail: (194) [system] integer(rb)
   Call: (194) [system] _1096910=rb
   Exit: (194) [system] rb=rb
^  Exit: (193) [user] classify_and_convert_charseq([r, b], rb)
^  Exit: (192) [user] read_symbolic(')', (0x563acd73bee0), r, rb)
^  Exit: (191) [user] cont_sexpr(')', (0x563acd73bee0), rb)
^  Call: (191) [user] read_list(')', (0x563acd73bee0), _1172448)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1174306)
   Exit: (193) [system] peek_char((0x563acd73bee0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x563acd73bee0), _1183900)
   Exit: (193) [system] get_char((0x563acd73bee0), ' ')
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1186604)
   Exit: (194) [system] peek_char((0x563acd73bee0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1203538)
   Exit: (192) [system] peek_char((0x563acd73bee0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x563acd73bee0), _1209108)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1210966)
   Exit: (194) [system] peek_char((0x563acd73bee0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] get_char((0x563acd73bee0), _1226976)
   Exit: (193) [system] get_char((0x563acd73bee0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _1209108)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1232546)
   Exit: (195) [system] peek_char((0x563acd73bee0), 'S')
   Call: (195) [system] 'S'=(;)
   Fail: (195) [system] 'S'=(;)
   Call: (195) [system] 'S'=(/)
   Fail: (195) [system] 'S'=(/)
^  Call: (195) [user] is_like_space('S')
   Call: (196) [system] char_type('S', 'white')
   Fail: (196) [system] char_type('S', 'white')
   Call: (196) [system] char_type('S', end_of_line)
   Fail: (196) [system] char_type('S', end_of_line)
   Call: (196) [system] char_type('S', space)
   Fail: (196) [system] char_type('S', space)
   Call: (196) [system] char_type('S', cntrl)
   Fail: (196) [system] char_type('S', cntrl)
^  Fail: (195) [user] is_like_space('S')
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1248556)
   Exit: (194) [system] peek_char((0x563acd73bee0), 'S')
   Call: (194) [system] 'S'=')'
   Fail: (194) [system] 'S'=')'
   Call: (194) [system] 'S'=end_of_file
   Fail: (194) [system] 'S'=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x563acd73bee0), _1254126)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1255984)
   Exit: (196) [system] peek_char((0x563acd73bee0), 'S')
   Call: (196) [system] 'S'=(;)
   Fail: (196) [system] 'S'=(;)
   Call: (196) [system] 'S'=(/)
   Fail: (196) [system] 'S'=(/)
^  Call: (196) [user] is_like_space('S')
   Call: (197) [system] char_type('S', 'white')
   Fail: (197) [system] char_type('S', 'white')
   Call: (197) [system] char_type('S', end_of_line)
   Fail: (197) [system] char_type('S', end_of_line)
   Call: (197) [system] char_type('S', space)
   Fail: (197) [system] char_type('S', space)
   Call: (197) [system] char_type('S', cntrl)
   Fail: (197) [system] char_type('S', cntrl)
^  Fail: (196) [user] is_like_space('S')
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] get_char((0x563acd73bee0), _1271994)
   Exit: (195) [system] get_char((0x563acd73bee0), 'S')
   Call: (195) [system] 'S'='('
   Fail: (195) [system] 'S'='('
   Call: (195) [system] 'S'='['
   Fail: (195) [system] 'S'='['
   Call: (195) [system] 'S'='{'
   Fail: (195) [system] 'S'='{'
   Call: (195) [system] 'S'='"'
   Fail: (195) [system] 'S'='"'
   Call: (195) [system] 'S'=!
   Fail: (195) [system] 'S'=!
   Call: (195) [system] 'S'='\''
   Fail: (195) [system] 'S'='\''
   Call: (195) [system] 'S'='`'
   Fail: (195) [system] 'S'='`'
   Call: (195) [system] 'S'=end_of_file
   Fail: (195) [system] 'S'=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x563acd73bee0), 'S', _1254126)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _1289636)
   Call: (197) [system] peek_char((0x563acd73bee0), _1290570)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _1289636=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (196) [user] classify_and_convert_charseq(['S'], _1254126)
^  Call: (197) [user] classify_and_convert_charseq_(['S'], _1299854)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_1300806, _1300808), once(user:catch(read_from_chars(['S'], _1299854), _1300788, fail)), '$restore_trace'(_1300806, _1300808))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_1300806, _1300808))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['S'], _1299854), _1300788, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(_1299854)
   Fail: (198) [system] atomic(_1299854)
   Call: (198) [system] atom_chars(_1299854, ['S'])
   Exit: (198) [system] atom_chars('S', ['S'])
^  Exit: (197) [user] classify_and_convert_charseq_(['S'], 'S')
   Call: (197) [system] integer('S')
   Fail: (197) [system] integer('S')
   Call: (197) [system] _1254126='S'
   Exit: (197) [system] 'S'='S'
^  Exit: (196) [user] classify_and_convert_charseq(['S'], 'S')
^  Exit: (195) [user] read_symbolic(')', (0x563acd73bee0), 'S', 'S')
^  Exit: (194) [user] cont_sexpr(')', (0x563acd73bee0), 'S')
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _1314804)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1316662)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x563acd73bee0), _1326256)
   Exit: (196) [system] get_char((0x563acd73bee0), ' ')
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1328960)
   Exit: (197) [system] peek_char((0x563acd73bee0), 'Z')
   Call: (197) [system] 'Z'=(;)
   Fail: (197) [system] 'Z'=(;)
   Call: (197) [system] 'Z'=(/)
   Fail: (197) [system] 'Z'=(/)
^  Call: (197) [user] is_like_space('Z')
   Call: (198) [system] char_type('Z', 'white')
   Fail: (198) [system] char_type('Z', 'white')
   Call: (198) [system] char_type('Z', end_of_line)
   Fail: (198) [system] char_type('Z', end_of_line)
   Call: (198) [system] char_type('Z', space)
   Fail: (198) [system] char_type('Z', space)
   Call: (198) [system] char_type('Z', cntrl)
   Fail: (198) [system] char_type('Z', cntrl)
^  Fail: (197) [user] is_like_space('Z')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1345894)
   Exit: (195) [system] peek_char((0x563acd73bee0), 'Z')
   Call: (195) [system] 'Z'=')'
   Fail: (195) [system] 'Z'=')'
   Call: (195) [system] 'Z'=end_of_file
   Fail: (195) [system] 'Z'=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x563acd73bee0), _1351464)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1353322)
   Exit: (197) [system] peek_char((0x563acd73bee0), 'Z')
   Call: (197) [system] 'Z'=(;)
   Fail: (197) [system] 'Z'=(;)
   Call: (197) [system] 'Z'=(/)
   Fail: (197) [system] 'Z'=(/)
^  Call: (197) [user] is_like_space('Z')
   Call: (198) [system] char_type('Z', 'white')
   Fail: (198) [system] char_type('Z', 'white')
   Call: (198) [system] char_type('Z', end_of_line)
   Fail: (198) [system] char_type('Z', end_of_line)
   Call: (198) [system] char_type('Z', space)
   Fail: (198) [system] char_type('Z', space)
   Call: (198) [system] char_type('Z', cntrl)
   Fail: (198) [system] char_type('Z', cntrl)
^  Fail: (197) [user] is_like_space('Z')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] get_char((0x563acd73bee0), _1369332)
   Exit: (196) [system] get_char((0x563acd73bee0), 'Z')
   Call: (196) [system] 'Z'='('
   Fail: (196) [system] 'Z'='('
   Call: (196) [system] 'Z'='['
   Fail: (196) [system] 'Z'='['
   Call: (196) [system] 'Z'='{'
   Fail: (196) [system] 'Z'='{'
   Call: (196) [system] 'Z'='"'
   Fail: (196) [system] 'Z'='"'
   Call: (196) [system] 'Z'=!
   Fail: (196) [system] 'Z'=!
   Call: (196) [system] 'Z'='\''
   Fail: (196) [system] 'Z'='\''
   Call: (196) [system] 'Z'='`'
   Fail: (196) [system] 'Z'='`'
   Call: (196) [system] 'Z'=end_of_file
   Fail: (196) [system] 'Z'=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x563acd73bee0), 'Z', _1351464)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _1386974)
   Call: (198) [system] peek_char((0x563acd73bee0), _1387908)
   Exit: (198) [system] peek_char((0x563acd73bee0), ')')
^  Call: (198) [user] is_delimiter(')')
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] arg(_1392628, v('(', ')', end_of_file), ')')
   Exit: (199) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (198) [user] is_delimiter(')')
   Call: (198) [system] _1386974=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (197) [user] classify_and_convert_charseq(['Z'], _1351464)
^  Call: (198) [user] classify_and_convert_charseq_(['Z'], _1399064)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_1400016, _1400018), once(user:catch(read_from_chars(['Z'], _1399064), _1399998, fail)), '$restore_trace'(_1400016, _1400018))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_1400016, _1400018))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['Z'], _1399064), _1399998, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(_1399064)
   Fail: (199) [system] atomic(_1399064)
   Call: (199) [system] atom_chars(_1399064, ['Z'])
   Exit: (199) [system] atom_chars('Z', ['Z'])
^  Exit: (198) [user] classify_and_convert_charseq_(['Z'], 'Z')
   Call: (198) [system] integer('Z')
   Fail: (198) [system] integer('Z')
   Call: (198) [system] _1351464='Z'
   Exit: (198) [system] 'Z'='Z'
^  Exit: (197) [user] classify_and_convert_charseq(['Z'], 'Z')
^  Exit: (196) [user] read_symbolic(')', (0x563acd73bee0), 'Z', 'Z')
^  Exit: (195) [user] cont_sexpr(')', (0x563acd73bee0), 'Z')
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _1414014)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1415872)
   Exit: (197) [system] peek_char((0x563acd73bee0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1431882)
   Exit: (196) [system] peek_char((0x563acd73bee0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x563acd73bee0), _1435672)
   Exit: (196) [system] get_char((0x563acd73bee0), ')')
   Call: (196) [system] _1414014=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), [])
   Call: (195) [system] _1314804=['Z']
   Exit: (195) [system] ['Z']=['Z']
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), ['Z'])
   Call: (194) [system] _1209108=['S', 'Z']
   Exit: (194) [system] ['S', 'Z']=['S', 'Z']
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), ['S', 'Z'])
^  Exit: (192) [user] cont_sexpr(')', (0x563acd73bee0), ['S', 'Z'])
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _1446760)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1448618)
   Exit: (194) [system] peek_char((0x563acd73bee0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
   Call: (194) [system] ')'=(/)
   Fail: (194) [system] ')'=(/)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1464628)
   Exit: (193) [system] peek_char((0x563acd73bee0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x563acd73bee0), _1468418)
   Exit: (193) [system] get_char((0x563acd73bee0), ')')
   Call: (193) [system] _1446760=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), [])
   Call: (192) [system] _1172448=[['S', 'Z']]
   Exit: (192) [system] [['S', 'Z']]=[['S', 'Z']]
^  Exit: (191) [user] read_list(')', (0x563acd73bee0), [['S', 'Z']])
   Call: (191) [system] _1060250=[rb, ['S', 'Z']]
   Exit: (191) [system] [rb, ['S', 'Z']]=[rb, ['S', 'Z']]
^  Exit: (190) [user] read_list(')', (0x563acd73bee0), [rb, ['S', 'Z']])
   Call: (190) [system] _948052=[kb, rb, ['S', 'Z']]
   Exit: (190) [system] [kb, rb, ['S', 'Z']]=[kb, rb, ['S', 'Z']]
^  Exit: (189) [user] read_list(')', (0x563acd73bee0), [kb, rb, ['S', 'Z']])
   Call: (189) [system] _451090=[[:, _term, _type], kb, rb, ['S', 'Z']]
   Exit: (189) [system] [[:, _term, _type], kb, rb, ['S', 'Z']]=[[:, _term, _type], kb, rb, ['S', 'Z']]
^  Exit: (188) [user] read_list(')', (0x563acd73bee0), [[:, _term, _type], kb, rb, ['S', 'Z']])
   Call: (188) [system] _196694=[synthesize, [:, _term, _type], kb, rb, ['S', 'Z']]
   Exit: (188) [system] [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']]=[synthesize, [:, _term, _type], kb, rb, ['S', 'Z']]
^  Exit: (187) [user] read_list(')', (0x563acd73bee0), [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']])
^  Exit: (186) [user] cont_sexpr(')', (0x563acd73bee0), [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']])
^  Call: (186) [user] read_list(')', (0x563acd73bee0), _1487888)
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _1489746)
   Exit: (188) [system] peek_char((0x563acd73bee0), '\n')
   Call: (188) [system] '\n'=(;)
   Fail: (188) [system] '\n'=(;)
   Call: (188) [system] '\n'=(/)
   Fail: (188) [system] '\n'=(/)
^  Call: (188) [user] is_like_space('\n')
   Call: (189) [system] char_type('\n', 'white')
   Fail: (189) [system] char_type('\n', 'white')
   Call: (189) [system] char_type('\n', end_of_line)
   Exit: (189) [system] char_type('\n', end_of_line)
^  Exit: (188) [user] is_like_space('\n')
   Call: (188) [system] get_char((0x563acd73bee0), _1501196)
   Exit: (188) [system] get_char((0x563acd73bee0), '\n')
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1503900)
   Exit: (189) [system] peek_char((0x563acd73bee0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x563acd73bee0), _1513494)
   Exit: (189) [system] get_char((0x563acd73bee0), ' ')
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1516198)
   Exit: (190) [system] peek_char((0x563acd73bee0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x563acd73bee0), _1525792)
   Exit: (190) [system] get_char((0x563acd73bee0), ' ')
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _1528496)
   Exit: (191) [system] peek_char((0x563acd73bee0), ' ')
   Call: (191) [system] ' '=(;)
   Fail: (191) [system] ' '=(;)
   Call: (191) [system] ' '=(/)
   Fail: (191) [system] ' '=(/)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x563acd73bee0), _1538090)
   Exit: (191) [system] get_char((0x563acd73bee0), ' ')
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1540794)
   Exit: (192) [system] peek_char((0x563acd73bee0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x563acd73bee0), _1550388)
   Exit: (192) [system] get_char((0x563acd73bee0), ' ')
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1553092)
   Exit: (193) [system] peek_char((0x563acd73bee0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x563acd73bee0), _1562686)
   Exit: (193) [system] get_char((0x563acd73bee0), ' ')
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1565390)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x563acd73bee0), _1574984)
   Exit: (194) [system] get_char((0x563acd73bee0), ' ')
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1577688)
   Exit: (195) [system] peek_char((0x563acd73bee0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x563acd73bee0), _1587282)
   Exit: (195) [system] get_char((0x563acd73bee0), ' ')
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1589986)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x563acd73bee0), _1599580)
   Exit: (196) [system] get_char((0x563acd73bee0), ' ')
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1602284)
   Exit: (197) [system] peek_char((0x563acd73bee0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _1626610)
   Exit: (187) [system] peek_char((0x563acd73bee0), '(')
   Call: (187) [system] '('=')'
   Fail: (187) [system] '('=')'
   Call: (187) [system] '('=end_of_file
   Fail: (187) [system] '('=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x563acd73bee0), _1632180)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1634038)
   Exit: (189) [system] peek_char((0x563acd73bee0), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
   Call: (189) [system] '('=(/)
   Fail: (189) [system] '('=(/)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] get_char((0x563acd73bee0), _1650048)
   Exit: (188) [system] get_char((0x563acd73bee0), '(')
   Call: (188) [system] '('='('
   Exit: (188) [system] '('='('
^  Call: (188) [user] read_list(')', (0x563acd73bee0), _1632180)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1655618)
   Exit: (190) [system] peek_char((0x563acd73bee0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1671628)
   Exit: (189) [system] peek_char((0x563acd73bee0), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x563acd73bee0), _1677198)
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _1679056)
   Exit: (191) [system] peek_char((0x563acd73bee0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] get_char((0x563acd73bee0), _1695066)
   Exit: (190) [system] get_char((0x563acd73bee0), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x563acd73bee0), _1677198)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1700636)
   Exit: (192) [system] peek_char((0x563acd73bee0), :)
   Call: (192) [system] (:)=(;)
   Fail: (192) [system] (:)=(;)
   Call: (192) [system] (:)=(/)
   Fail: (192) [system] (:)=(/)
^  Call: (192) [user] is_like_space(:)
   Call: (193) [system] char_type(:, 'white')
   Fail: (193) [system] char_type(:, 'white')
   Call: (193) [system] char_type(:, end_of_line)
   Fail: (193) [system] char_type(:, end_of_line)
   Call: (193) [system] char_type(:, space)
   Fail: (193) [system] char_type(:, space)
   Call: (193) [system] char_type(:, cntrl)
   Fail: (193) [system] char_type(:, cntrl)
^  Fail: (192) [user] is_like_space(:)
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _1716646)
   Exit: (191) [system] peek_char((0x563acd73bee0), :)
   Call: (191) [system] (:)=')'
   Fail: (191) [system] (:)=')'
   Call: (191) [system] (:)=end_of_file
   Fail: (191) [system] (:)=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x563acd73bee0), _1722216)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1724074)
   Exit: (193) [system] peek_char((0x563acd73bee0), :)
   Call: (193) [system] (:)=(;)
   Fail: (193) [system] (:)=(;)
   Call: (193) [system] (:)=(/)
   Fail: (193) [system] (:)=(/)
^  Call: (193) [user] is_like_space(:)
   Call: (194) [system] char_type(:, 'white')
   Fail: (194) [system] char_type(:, 'white')
   Call: (194) [system] char_type(:, end_of_line)
   Fail: (194) [system] char_type(:, end_of_line)
   Call: (194) [system] char_type(:, space)
   Fail: (194) [system] char_type(:, space)
   Call: (194) [system] char_type(:, cntrl)
   Fail: (194) [system] char_type(:, cntrl)
^  Fail: (193) [user] is_like_space(:)
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] get_char((0x563acd73bee0), _1740084)
   Exit: (192) [system] get_char((0x563acd73bee0), :)
   Call: (192) [system] (:)='('
   Fail: (192) [system] (:)='('
   Call: (192) [system] (:)='['
   Fail: (192) [system] (:)='['
   Call: (192) [system] (:)='{'
   Fail: (192) [system] (:)='{'
   Call: (192) [system] (:)='"'
   Fail: (192) [system] (:)='"'
   Call: (192) [system] (:)=!
   Fail: (192) [system] (:)=!
   Call: (192) [system] (:)='\''
   Fail: (192) [system] (:)='\''
   Call: (192) [system] (:)='`'
   Fail: (192) [system] (:)='`'
   Call: (192) [system] (:)=end_of_file
   Fail: (192) [system] (:)=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x563acd73bee0), :, _1722216)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _1757726)
   Call: (194) [system] peek_char((0x563acd73bee0), _1758660)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _1757726=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (193) [user] classify_and_convert_charseq([:], _1722216)
^  Call: (194) [user] classify_and_convert_charseq_([:], _1767944)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_1768896, _1768898), once(user:catch(read_from_chars([:], _1767944), _1768878, fail)), '$restore_trace'(_1768896, _1768898))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_1768896, _1768898))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1768878, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(:)
   Exit: (195) [system] atomic(:)
^  Exit: (194) [user] classify_and_convert_charseq_([:], :)
   Call: (194) [system] integer(:)
   Fail: (194) [system] integer(:)
   Call: (194) [system] _1722216=(:)
   Exit: (194) [system] (:)=(:)
^  Exit: (193) [user] classify_and_convert_charseq([:], :)
^  Exit: (192) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (191) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (191) [user] read_list(')', (0x563acd73bee0), _1781024)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1782882)
   Exit: (193) [system] peek_char((0x563acd73bee0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x563acd73bee0), _1792476)
   Exit: (193) [system] get_char((0x563acd73bee0), ' ')
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1795180)
   Exit: (194) [system] peek_char((0x563acd73bee0), a)
   Call: (194) [system] a=(;)
   Fail: (194) [system] a=(;)
   Call: (194) [system] a=(/)
   Fail: (194) [system] a=(/)
^  Call: (194) [user] is_like_space(a)
   Call: (195) [system] char_type(a, 'white')
   Fail: (195) [system] char_type(a, 'white')
   Call: (195) [system] char_type(a, end_of_line)
   Fail: (195) [system] char_type(a, end_of_line)
   Call: (195) [system] char_type(a, space)
   Fail: (195) [system] char_type(a, space)
   Call: (195) [system] char_type(a, cntrl)
   Fail: (195) [system] char_type(a, cntrl)
^  Fail: (194) [user] is_like_space(a)
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1812114)
   Exit: (192) [system] peek_char((0x563acd73bee0), a)
   Call: (192) [system] a=')'
   Fail: (192) [system] a=')'
   Call: (192) [system] a=end_of_file
   Fail: (192) [system] a=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x563acd73bee0), _1817684)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1819542)
   Exit: (194) [system] peek_char((0x563acd73bee0), a)
   Call: (194) [system] a=(;)
   Fail: (194) [system] a=(;)
   Call: (194) [system] a=(/)
   Fail: (194) [system] a=(/)
^  Call: (194) [user] is_like_space(a)
   Call: (195) [system] char_type(a, 'white')
   Fail: (195) [system] char_type(a, 'white')
   Call: (195) [system] char_type(a, end_of_line)
   Fail: (195) [system] char_type(a, end_of_line)
   Call: (195) [system] char_type(a, space)
   Fail: (195) [system] char_type(a, space)
   Call: (195) [system] char_type(a, cntrl)
   Fail: (195) [system] char_type(a, cntrl)
^  Fail: (194) [user] is_like_space(a)
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] get_char((0x563acd73bee0), _1835552)
   Exit: (193) [system] get_char((0x563acd73bee0), a)
   Call: (193) [system] a='('
   Fail: (193) [system] a='('
   Call: (193) [system] a='['
   Fail: (193) [system] a='['
   Call: (193) [system] a='{'
   Fail: (193) [system] a='{'
   Call: (193) [system] a='"'
   Fail: (193) [system] a='"'
   Call: (193) [system] a=!
   Fail: (193) [system] a=!
   Call: (193) [system] a='\''
   Fail: (193) [system] a='\''
   Call: (193) [system] a='`'
   Fail: (193) [system] a='`'
   Call: (193) [system] a=end_of_file
   Fail: (193) [system] a=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x563acd73bee0), a, _1817684)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _1853194)
   Call: (195) [system] peek_char((0x563acd73bee0), _1854128)
   Exit: (195) [system] peek_char((0x563acd73bee0), b)
^  Call: (195) [user] is_delimiter(b)
   Call: (196) [system] char_type(b, space)
   Fail: (196) [system] char_type(b, space)
   Call: (196) [system] arg(_1858848, v('(', ')', end_of_file), b)
   Fail: (196) [system] arg(_1859780, v('(', ')', end_of_file), b)
^  Fail: (195) [user] is_delimiter(b)
   Call: (195) [system] ')'==b
   Fail: (195) [system] ')'==b
   Call: (195) [system] get_char((0x563acd73bee0), b)
   Exit: (195) [system] get_char((0x563acd73bee0), b)
   Call: (195) [system] b=(\)
   Fail: (195) [system] b=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _1867130)
   Call: (196) [system] peek_char((0x563acd73bee0), _1868064)
   Exit: (196) [system] peek_char((0x563acd73bee0), c)
^  Call: (196) [user] is_delimiter(c)
   Call: (197) [system] char_type(c, space)
   Fail: (197) [system] char_type(c, space)
   Call: (197) [system] arg(_1872784, v('(', ')', end_of_file), c)
   Fail: (197) [system] arg(_1873716, v('(', ')', end_of_file), c)
^  Fail: (196) [user] is_delimiter(c)
   Call: (196) [system] ')'==c
   Fail: (196) [system] ')'==c
   Call: (196) [system] get_char((0x563acd73bee0), c)
   Exit: (196) [system] get_char((0x563acd73bee0), c)
   Call: (196) [system] c=(\)
   Fail: (196) [system] c=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _1881066)
   Call: (197) [system] peek_char((0x563acd73bee0), _1882000)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _1881066=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (196) [system] _1867130=[c]
   Exit: (196) [system] [c]=[c]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [c])
   Call: (195) [system] _1853194=[b, c]
   Exit: (195) [system] [b, c]=[b, c]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [b, c])
^  Call: (194) [user] classify_and_convert_charseq([a, b, c], _1817684)
^  Call: (195) [user] classify_and_convert_charseq_([a, b, c], _1896872)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_1897824, _1897826), once(user:catch(read_from_chars([a, b, c], _1896872), _1897806, fail)), '$restore_trace'(_1897824, _1897826))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_1897824, _1897826))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1897806, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(abc)
   Exit: (196) [system] atomic(abc)
^  Exit: (195) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (195) [system] integer(abc)
   Fail: (195) [system] integer(abc)
   Call: (195) [system] _1817684=abc
   Exit: (195) [system] abc=abc
^  Exit: (194) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (193) [user] read_symbolic(')', (0x563acd73bee0), a, abc)
^  Exit: (192) [user] cont_sexpr(')', (0x563acd73bee0), abc)
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _1909952)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1911810)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x563acd73bee0), _1921404)
   Exit: (194) [system] get_char((0x563acd73bee0), ' ')
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1924108)
   Exit: (195) [system] peek_char((0x563acd73bee0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1941042)
   Exit: (193) [system] peek_char((0x563acd73bee0), '(')
   Call: (193) [system] '('=')'
   Fail: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
   Fail: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x563acd73bee0), _1946612)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1948470)
   Exit: (195) [system] peek_char((0x563acd73bee0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] get_char((0x563acd73bee0), _1964480)
   Exit: (194) [system] get_char((0x563acd73bee0), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _1946612)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1970050)
   Exit: (196) [system] peek_char((0x563acd73bee0), 'I')
   Call: (196) [system] 'I'=(;)
   Fail: (196) [system] 'I'=(;)
   Call: (196) [system] 'I'=(/)
   Fail: (196) [system] 'I'=(/)
^  Call: (196) [user] is_like_space('I')
   Call: (197) [system] char_type('I', 'white')
   Fail: (197) [system] char_type('I', 'white')
   Call: (197) [system] char_type('I', end_of_line)
   Fail: (197) [system] char_type('I', end_of_line)
   Call: (197) [system] char_type('I', space)
   Fail: (197) [system] char_type('I', space)
   Call: (197) [system] char_type('I', cntrl)
   Fail: (197) [system] char_type('I', cntrl)
^  Fail: (196) [user] is_like_space('I')
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1986060)
   Exit: (195) [system] peek_char((0x563acd73bee0), 'I')
   Call: (195) [system] 'I'=')'
   Fail: (195) [system] 'I'=')'
   Call: (195) [system] 'I'=end_of_file
   Fail: (195) [system] 'I'=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x563acd73bee0), _1991630)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1993488)
   Exit: (197) [system] peek_char((0x563acd73bee0), 'I')
   Call: (197) [system] 'I'=(;)
   Fail: (197) [system] 'I'=(;)
   Call: (197) [system] 'I'=(/)
   Fail: (197) [system] 'I'=(/)
^  Call: (197) [user] is_like_space('I')
   Call: (198) [system] char_type('I', 'white')
   Fail: (198) [system] char_type('I', 'white')
   Call: (198) [system] char_type('I', end_of_line)
   Fail: (198) [system] char_type('I', end_of_line)
   Call: (198) [system] char_type('I', space)
   Fail: (198) [system] char_type('I', space)
   Call: (198) [system] char_type('I', cntrl)
   Fail: (198) [system] char_type('I', cntrl)
^  Fail: (197) [user] is_like_space('I')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] get_char((0x563acd73bee0), _2009498)
   Exit: (196) [system] get_char((0x563acd73bee0), 'I')
   Call: (196) [system] 'I'='('
   Fail: (196) [system] 'I'='('
   Call: (196) [system] 'I'='['
   Fail: (196) [system] 'I'='['
   Call: (196) [system] 'I'='{'
   Fail: (196) [system] 'I'='{'
   Call: (196) [system] 'I'='"'
   Fail: (196) [system] 'I'='"'
   Call: (196) [system] 'I'=!
   Fail: (196) [system] 'I'=!
   Call: (196) [system] 'I'='\''
   Fail: (196) [system] 'I'='\''
   Call: (196) [system] 'I'='`'
   Fail: (196) [system] 'I'='`'
   Call: (196) [system] 'I'=end_of_file
   Fail: (196) [system] 'I'=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x563acd73bee0), 'I', _1991630)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _2027140)
   Call: (198) [system] peek_char((0x563acd73bee0), _2028074)
   Exit: (198) [system] peek_char((0x563acd73bee0), m)
^  Call: (198) [user] is_delimiter(m)
   Call: (199) [system] char_type(m, space)
   Fail: (199) [system] char_type(m, space)
   Call: (199) [system] arg(_2032794, v('(', ')', end_of_file), m)
   Fail: (199) [system] arg(_2033726, v('(', ')', end_of_file), m)
^  Fail: (198) [user] is_delimiter(m)
   Call: (198) [system] ')'==m
   Fail: (198) [system] ')'==m
   Call: (198) [system] get_char((0x563acd73bee0), m)
   Exit: (198) [system] get_char((0x563acd73bee0), m)
   Call: (198) [system] m=(\)
   Fail: (198) [system] m=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _2041076)
   Call: (199) [system] peek_char((0x563acd73bee0), _2042010)
   Exit: (199) [system] peek_char((0x563acd73bee0), p)
^  Call: (199) [user] is_delimiter(p)
   Call: (200) [system] char_type(p, space)
   Fail: (200) [system] char_type(p, space)
   Call: (200) [system] arg(_2046730, v('(', ')', end_of_file), p)
   Fail: (200) [system] arg(_2047662, v('(', ')', end_of_file), p)
^  Fail: (199) [user] is_delimiter(p)
   Call: (199) [system] ')'==p
   Fail: (199) [system] ')'==p
   Call: (199) [system] get_char((0x563acd73bee0), p)
   Exit: (199) [system] get_char((0x563acd73bee0), p)
   Call: (199) [system] p=(\)
   Fail: (199) [system] p=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _2055012)
   Call: (200) [system] peek_char((0x563acd73bee0), _2055946)
   Exit: (200) [system] peek_char((0x563acd73bee0), l)
^  Call: (200) [user] is_delimiter(l)
   Call: (201) [system] char_type(l, space)
   Fail: (201) [system] char_type(l, space)
   Call: (201) [system] arg(_2060666, v('(', ')', end_of_file), l)
   Fail: (201) [system] arg(_2061598, v('(', ')', end_of_file), l)
^  Fail: (200) [user] is_delimiter(l)
   Call: (200) [system] ')'==l
   Fail: (200) [system] ')'==l
   Call: (200) [system] get_char((0x563acd73bee0), l)
   Exit: (200) [system] get_char((0x563acd73bee0), l)
   Call: (200) [system] l=(\)
   Fail: (200) [system] l=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _2068948)
   Call: (201) [system] peek_char((0x563acd73bee0), _2069882)
   Exit: (201) [system] peek_char((0x563acd73bee0), i)
^  Call: (201) [user] is_delimiter(i)
   Call: (202) [system] char_type(i, space)
   Fail: (202) [system] char_type(i, space)
   Call: (202) [system] arg(_2074602, v('(', ')', end_of_file), i)
   Fail: (202) [system] arg(_2075534, v('(', ')', end_of_file), i)
^  Fail: (201) [user] is_delimiter(i)
   Call: (201) [system] ')'==i
   Fail: (201) [system] ')'==i
   Call: (201) [system] get_char((0x563acd73bee0), i)
   Exit: (201) [system] get_char((0x563acd73bee0), i)
   Call: (201) [system] i=(\)
   Fail: (201) [system] i=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _2082884)
   Call: (202) [system] peek_char((0x563acd73bee0), _2083818)
   Exit: (202) [system] peek_char((0x563acd73bee0), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Fail: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_2088538, v('(', ')', end_of_file), c)
   Fail: (203) [system] arg(_2089470, v('(', ')', end_of_file), c)
^  Fail: (202) [user] is_delimiter(c)
   Call: (202) [system] ')'==c
   Fail: (202) [system] ')'==c
   Call: (202) [system] get_char((0x563acd73bee0), c)
   Exit: (202) [system] get_char((0x563acd73bee0), c)
   Call: (202) [system] c=(\)
   Fail: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _3502)
   Call: (203) [system] peek_char((0x563acd73bee0), _4374)
   Exit: (203) [system] peek_char((0x563acd73bee0), a)
^  Call: (203) [user] is_delimiter(a)
   Call: (204) [system] char_type(a, space)
   Fail: (204) [system] char_type(a, space)
   Call: (204) [system] arg(_9094, v('(', ')', end_of_file), a)
   Fail: (204) [system] arg(_10026, v('(', ')', end_of_file), a)
^  Fail: (203) [user] is_delimiter(a)
   Call: (203) [system] ')'==a
   Fail: (203) [system] ')'==a
   Call: (203) [system] get_char((0x563acd73bee0), a)
   Exit: (203) [system] get_char((0x563acd73bee0), a)
   Call: (203) [system] a=(\)
   Fail: (203) [system] a=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _17376)
   Call: (204) [system] peek_char((0x563acd73bee0), _18310)
   Exit: (204) [system] peek_char((0x563acd73bee0), t)
^  Call: (204) [user] is_delimiter(t)
   Call: (205) [system] char_type(t, space)
   Fail: (205) [system] char_type(t, space)
   Call: (205) [system] arg(_23030, v('(', ')', end_of_file), t)
   Fail: (205) [system] arg(_23962, v('(', ')', end_of_file), t)
^  Fail: (204) [user] is_delimiter(t)
   Call: (204) [system] ')'==t
   Fail: (204) [system] ')'==t
   Call: (204) [system] get_char((0x563acd73bee0), t)
   Exit: (204) [system] get_char((0x563acd73bee0), t)
   Call: (204) [system] t=(\)
   Fail: (204) [system] t=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _31312)
   Call: (205) [system] peek_char((0x563acd73bee0), _32246)
   Exit: (205) [system] peek_char((0x563acd73bee0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_36966, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_37898, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x563acd73bee0), i)
   Exit: (205) [system] get_char((0x563acd73bee0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _45248)
   Call: (206) [system] peek_char((0x563acd73bee0), _46182)
   Exit: (206) [system] peek_char((0x563acd73bee0), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_50902, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_51834, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x563acd73bee0), o)
   Exit: (206) [system] get_char((0x563acd73bee0), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _59184)
   Call: (207) [system] peek_char((0x563acd73bee0), _60118)
   Exit: (207) [system] peek_char((0x563acd73bee0), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Fail: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_64838, v('(', ')', end_of_file), n)
   Fail: (208) [system] arg(_65770, v('(', ')', end_of_file), n)
^  Fail: (207) [user] is_delimiter(n)
   Call: (207) [system] ')'==n
   Fail: (207) [system] ')'==n
   Call: (207) [system] get_char((0x563acd73bee0), n)
   Exit: (207) [system] get_char((0x563acd73bee0), n)
   Call: (207) [system] n=(\)
   Fail: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _73120)
   Call: (208) [system] peek_char((0x563acd73bee0), _74054)
   Exit: (208) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _73120=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (207) [system] _59184=[n]
   Exit: (207) [system] [n]=[n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (206) [system] _45248=[o, n]
   Exit: (206) [system] [o, n]=[o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (205) [system] _31312=[i, o, n]
   Exit: (205) [system] [i, o, n]=[i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (204) [system] _17376=[t, i, o, n]
   Exit: (204) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (203) [system] _3502=[a, t, i, o, n]
   Exit: (203) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (202) [system] _3496=[c, a, t, i, o, n]
   Exit: (202) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (201) [system] _3492=[i, c, a, t, i, o, n]
   Exit: (201) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (200) [system] _3488=[l, i, c, a, t, i, o, n]
   Exit: (200) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (199) [system] _3484=[p, l, i, c, a, t, i, o, n]
   Exit: (199) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (198) [system] _3480=[m, p, l, i, c, a, t, i, o, n]
   Exit: (198) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (197) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _3476)
^  Call: (198) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _111278)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_112230, _112232), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _111278), _112212, fail)), '$restore_trace'(_112230, _112232))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_112230, _112232))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _111278), _112212, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(_111278)
   Fail: (199) [system] atomic(_111278)
   Call: (199) [system] atom_chars(_111278, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (199) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (198) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (198) [system] integer('Implication')
   Fail: (198) [system] integer('Implication')
   Call: (198) [system] _3476='Implication'
   Exit: (198) [system] 'Implication'='Implication'
^  Exit: (197) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (196) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (195) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _126228)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _128086)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x563acd73bee0), _137680)
   Exit: (197) [system] get_char((0x563acd73bee0), ' ')
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _140384)
   Exit: (198) [system] peek_char((0x563acd73bee0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _157318)
   Exit: (196) [system] peek_char((0x563acd73bee0), '(')
   Call: (196) [system] '('=')'
   Fail: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
   Fail: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x563acd73bee0), _162888)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _164746)
   Exit: (198) [system] peek_char((0x563acd73bee0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] get_char((0x563acd73bee0), _180756)
   Exit: (197) [system] get_char((0x563acd73bee0), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _162888)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _186326)
   Exit: (199) [system] peek_char((0x563acd73bee0), 'A')
   Call: (199) [system] 'A'=(;)
   Fail: (199) [system] 'A'=(;)
   Call: (199) [system] 'A'=(/)
   Fail: (199) [system] 'A'=(/)
^  Call: (199) [user] is_like_space('A')
   Call: (200) [system] char_type('A', 'white')
   Fail: (200) [system] char_type('A', 'white')
   Call: (200) [system] char_type('A', end_of_line)
   Fail: (200) [system] char_type('A', end_of_line)
   Call: (200) [system] char_type('A', space)
   Fail: (200) [system] char_type('A', space)
   Call: (200) [system] char_type('A', cntrl)
   Fail: (200) [system] char_type('A', cntrl)
^  Fail: (199) [user] is_like_space('A')
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _202336)
   Exit: (198) [system] peek_char((0x563acd73bee0), 'A')
   Call: (198) [system] 'A'=')'
   Fail: (198) [system] 'A'=')'
   Call: (198) [system] 'A'=end_of_file
   Fail: (198) [system] 'A'=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x563acd73bee0), _207906)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _209764)
   Exit: (200) [system] peek_char((0x563acd73bee0), 'A')
   Call: (200) [system] 'A'=(;)
   Fail: (200) [system] 'A'=(;)
   Call: (200) [system] 'A'=(/)
   Fail: (200) [system] 'A'=(/)
^  Call: (200) [user] is_like_space('A')
   Call: (201) [system] char_type('A', 'white')
   Fail: (201) [system] char_type('A', 'white')
   Call: (201) [system] char_type('A', end_of_line)
   Fail: (201) [system] char_type('A', end_of_line)
   Call: (201) [system] char_type('A', space)
   Fail: (201) [system] char_type('A', space)
   Call: (201) [system] char_type('A', cntrl)
   Fail: (201) [system] char_type('A', cntrl)
^  Fail: (200) [user] is_like_space('A')
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] get_char((0x563acd73bee0), _225774)
   Exit: (199) [system] get_char((0x563acd73bee0), 'A')
   Call: (199) [system] 'A'='('
   Fail: (199) [system] 'A'='('
   Call: (199) [system] 'A'='['
   Fail: (199) [system] 'A'='['
   Call: (199) [system] 'A'='{'
   Fail: (199) [system] 'A'='{'
   Call: (199) [system] 'A'='"'
   Fail: (199) [system] 'A'='"'
   Call: (199) [system] 'A'=!
   Fail: (199) [system] 'A'=!
   Call: (199) [system] 'A'='\''
   Fail: (199) [system] 'A'='\''
   Call: (199) [system] 'A'='`'
   Fail: (199) [system] 'A'='`'
   Call: (199) [system] 'A'=end_of_file
   Fail: (199) [system] 'A'=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x563acd73bee0), 'A', _207906)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _243416)
   Call: (201) [system] peek_char((0x563acd73bee0), _244350)
   Exit: (201) [system] peek_char((0x563acd73bee0), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_249070, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_250002, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x563acd73bee0), n)
   Exit: (201) [system] get_char((0x563acd73bee0), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _257352)
   Call: (202) [system] peek_char((0x563acd73bee0), _258286)
   Exit: (202) [system] peek_char((0x563acd73bee0), d)
^  Call: (202) [user] is_delimiter(d)
   Call: (203) [system] char_type(d, space)
   Fail: (203) [system] char_type(d, space)
   Call: (203) [system] arg(_263006, v('(', ')', end_of_file), d)
   Fail: (203) [system] arg(_263938, v('(', ')', end_of_file), d)
^  Fail: (202) [user] is_delimiter(d)
   Call: (202) [system] ')'==d
   Fail: (202) [system] ')'==d
   Call: (202) [system] get_char((0x563acd73bee0), d)
   Exit: (202) [system] get_char((0x563acd73bee0), d)
   Call: (202) [system] d=(\)
   Fail: (202) [system] d=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _271288)
   Call: (203) [system] peek_char((0x563acd73bee0), _272222)
   Exit: (203) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (203) [user] is_delimiter('L')
   Call: (204) [system] char_type('L', space)
   Fail: (204) [system] char_type('L', space)
   Call: (204) [system] arg(_276942, v('(', ')', end_of_file), 'L')
   Fail: (204) [system] arg(_277874, v('(', ')', end_of_file), 'L')
^  Fail: (203) [user] is_delimiter('L')
   Call: (203) [system] ')'=='L'
   Fail: (203) [system] ')'=='L'
   Call: (203) [system] get_char((0x563acd73bee0), 'L')
   Exit: (203) [system] get_char((0x563acd73bee0), 'L')
   Call: (203) [system] 'L'=(\)
   Fail: (203) [system] 'L'=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _285224)
   Call: (204) [system] peek_char((0x563acd73bee0), _286158)
   Exit: (204) [system] peek_char((0x563acd73bee0), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Fail: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_290878, v('(', ')', end_of_file), i)
   Fail: (205) [system] arg(_291810, v('(', ')', end_of_file), i)
^  Fail: (204) [user] is_delimiter(i)
   Call: (204) [system] ')'==i
   Fail: (204) [system] ')'==i
   Call: (204) [system] get_char((0x563acd73bee0), i)
   Exit: (204) [system] get_char((0x563acd73bee0), i)
   Call: (204) [system] i=(\)
   Fail: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _299160)
   Call: (205) [system] peek_char((0x563acd73bee0), _300094)
   Exit: (205) [system] peek_char((0x563acd73bee0), n)
^  Call: (205) [user] is_delimiter(n)
   Call: (206) [system] char_type(n, space)
   Fail: (206) [system] char_type(n, space)
   Call: (206) [system] arg(_304814, v('(', ')', end_of_file), n)
   Fail: (206) [system] arg(_305746, v('(', ')', end_of_file), n)
^  Fail: (205) [user] is_delimiter(n)
   Call: (205) [system] ')'==n
   Fail: (205) [system] ')'==n
   Call: (205) [system] get_char((0x563acd73bee0), n)
   Exit: (205) [system] get_char((0x563acd73bee0), n)
   Call: (205) [system] n=(\)
   Fail: (205) [system] n=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _313096)
   Call: (206) [system] peek_char((0x563acd73bee0), _314030)
   Exit: (206) [system] peek_char((0x563acd73bee0), k)
^  Call: (206) [user] is_delimiter(k)
   Call: (207) [system] char_type(k, space)
   Fail: (207) [system] char_type(k, space)
   Call: (207) [system] arg(_318750, v('(', ')', end_of_file), k)
   Fail: (207) [system] arg(_319682, v('(', ')', end_of_file), k)
^  Fail: (206) [user] is_delimiter(k)
   Call: (206) [system] ')'==k
   Fail: (206) [system] ')'==k
   Call: (206) [system] get_char((0x563acd73bee0), k)
   Exit: (206) [system] get_char((0x563acd73bee0), k)
   Call: (206) [system] k=(\)
   Fail: (206) [system] k=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _327032)
   Call: (207) [system] peek_char((0x563acd73bee0), _327966)
   Exit: (207) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _327032=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (206) [system] _313096=[k]
   Exit: (206) [system] [k]=[k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (205) [system] _299160=[n, k]
   Exit: (205) [system] [n, k]=[n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (204) [system] _285224=[i, n, k]
   Exit: (204) [system] [i, n, k]=[i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (203) [system] _271288=['L', i, n, k]
   Exit: (203) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (202) [system] _257352=[d, 'L', i, n, k]
   Exit: (202) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, 'L', i, n, k])
   Call: (201) [system] _243416=[n, d, 'L', i, n, k]
   Exit: (201) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, d, 'L', i, n, k])
^  Call: (200) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _207906)
^  Call: (201) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _354014)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_354966, _354968), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _354014), _354948, fail)), '$restore_trace'(_354966, _354968))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_354966, _354968))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _354014), _354948, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(_354014)
   Fail: (202) [system] atomic(_354014)
   Call: (202) [system] atom_chars(_354014, ['A', n, d, 'L', i, n, k])
   Exit: (202) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (201) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (201) [system] integer('AndLink')
   Fail: (201) [system] integer('AndLink')
   Call: (201) [system] _207906='AndLink'
   Exit: (201) [system] 'AndLink'='AndLink'
^  Exit: (200) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (199) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'AndLink')
^  Exit: (198) [user] cont_sexpr(')', (0x563acd73bee0), 'AndLink')
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _368964)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _370822)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x563acd73bee0), _380416)
   Exit: (200) [system] get_char((0x563acd73bee0), ' ')
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _383120)
   Exit: (201) [system] peek_char((0x563acd73bee0), 'A')
   Call: (201) [system] 'A'=(;)
   Fail: (201) [system] 'A'=(;)
   Call: (201) [system] 'A'=(/)
   Fail: (201) [system] 'A'=(/)
^  Call: (201) [user] is_like_space('A')
   Call: (202) [system] char_type('A', 'white')
   Fail: (202) [system] char_type('A', 'white')
   Call: (202) [system] char_type('A', end_of_line)
   Fail: (202) [system] char_type('A', end_of_line)
   Call: (202) [system] char_type('A', space)
   Fail: (202) [system] char_type('A', space)
   Call: (202) [system] char_type('A', cntrl)
   Fail: (202) [system] char_type('A', cntrl)
^  Fail: (201) [user] is_like_space('A')
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _400054)
   Exit: (199) [system] peek_char((0x563acd73bee0), 'A')
   Call: (199) [system] 'A'=')'
   Fail: (199) [system] 'A'=')'
   Call: (199) [system] 'A'=end_of_file
   Fail: (199) [system] 'A'=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x563acd73bee0), _405624)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _407482)
   Exit: (201) [system] peek_char((0x563acd73bee0), 'A')
   Call: (201) [system] 'A'=(;)
   Fail: (201) [system] 'A'=(;)
   Call: (201) [system] 'A'=(/)
   Fail: (201) [system] 'A'=(/)
^  Call: (201) [user] is_like_space('A')
   Call: (202) [system] char_type('A', 'white')
   Fail: (202) [system] char_type('A', 'white')
   Call: (202) [system] char_type('A', end_of_line)
   Fail: (202) [system] char_type('A', end_of_line)
   Call: (202) [system] char_type('A', space)
   Fail: (202) [system] char_type('A', space)
   Call: (202) [system] char_type('A', cntrl)
   Fail: (202) [system] char_type('A', cntrl)
^  Fail: (201) [user] is_like_space('A')
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] get_char((0x563acd73bee0), _423492)
   Exit: (200) [system] get_char((0x563acd73bee0), 'A')
   Call: (200) [system] 'A'='('
   Fail: (200) [system] 'A'='('
   Call: (200) [system] 'A'='['
   Fail: (200) [system] 'A'='['
   Call: (200) [system] 'A'='{'
   Fail: (200) [system] 'A'='{'
   Call: (200) [system] 'A'='"'
   Fail: (200) [system] 'A'='"'
   Call: (200) [system] 'A'=!
   Fail: (200) [system] 'A'=!
   Call: (200) [system] 'A'='\''
   Fail: (200) [system] 'A'='\''
   Call: (200) [system] 'A'='`'
   Fail: (200) [system] 'A'='`'
   Call: (200) [system] 'A'=end_of_file
   Fail: (200) [system] 'A'=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x563acd73bee0), 'A', _405624)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _441134)
   Call: (202) [system] peek_char((0x563acd73bee0), _442068)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _441134=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (201) [user] classify_and_convert_charseq(['A'], _405624)
^  Call: (202) [user] classify_and_convert_charseq_(['A'], _451352)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_452304, _452306), once(user:catch(read_from_chars(['A'], _451352), _452286, fail)), '$restore_trace'(_452304, _452306))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_452304, _452306))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _451352), _452286, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(_451352)
   Fail: (203) [system] atomic(_451352)
   Call: (203) [system] atom_chars(_451352, ['A'])
   Exit: (203) [system] atom_chars('A', ['A'])
^  Exit: (202) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (202) [system] integer('A')
   Fail: (202) [system] integer('A')
   Call: (202) [system] _405624='A'
   Exit: (202) [system] 'A'='A'
^  Exit: (201) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (200) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (199) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _466302)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _468160)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _477754)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _480458)
   Exit: (202) [system] peek_char((0x563acd73bee0), 'B')
   Call: (202) [system] 'B'=(;)
   Fail: (202) [system] 'B'=(;)
   Call: (202) [system] 'B'=(/)
   Fail: (202) [system] 'B'=(/)
^  Call: (202) [user] is_like_space('B')
   Call: (203) [system] char_type('B', 'white')
   Fail: (203) [system] char_type('B', 'white')
   Call: (203) [system] char_type('B', end_of_line)
   Fail: (203) [system] char_type('B', end_of_line)
   Call: (203) [system] char_type('B', space)
   Fail: (203) [system] char_type('B', space)
   Call: (203) [system] char_type('B', cntrl)
   Fail: (203) [system] char_type('B', cntrl)
^  Fail: (202) [user] is_like_space('B')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _497392)
   Exit: (200) [system] peek_char((0x563acd73bee0), 'B')
   Call: (200) [system] 'B'=')'
   Fail: (200) [system] 'B'=')'
   Call: (200) [system] 'B'=end_of_file
   Fail: (200) [system] 'B'=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x563acd73bee0), _502962)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _504820)
   Exit: (202) [system] peek_char((0x563acd73bee0), 'B')
   Call: (202) [system] 'B'=(;)
   Fail: (202) [system] 'B'=(;)
   Call: (202) [system] 'B'=(/)
   Fail: (202) [system] 'B'=(/)
^  Call: (202) [user] is_like_space('B')
   Call: (203) [system] char_type('B', 'white')
   Fail: (203) [system] char_type('B', 'white')
   Call: (203) [system] char_type('B', end_of_line)
   Fail: (203) [system] char_type('B', end_of_line)
   Call: (203) [system] char_type('B', space)
   Fail: (203) [system] char_type('B', space)
   Call: (203) [system] char_type('B', cntrl)
   Fail: (203) [system] char_type('B', cntrl)
^  Fail: (202) [user] is_like_space('B')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] get_char((0x563acd73bee0), _520830)
   Exit: (201) [system] get_char((0x563acd73bee0), 'B')
   Call: (201) [system] 'B'='('
   Fail: (201) [system] 'B'='('
   Call: (201) [system] 'B'='['
   Fail: (201) [system] 'B'='['
   Call: (201) [system] 'B'='{'
   Fail: (201) [system] 'B'='{'
   Call: (201) [system] 'B'='"'
   Fail: (201) [system] 'B'='"'
   Call: (201) [system] 'B'=!
   Fail: (201) [system] 'B'=!
   Call: (201) [system] 'B'='\''
   Fail: (201) [system] 'B'='\''
   Call: (201) [system] 'B'='`'
   Fail: (201) [system] 'B'='`'
   Call: (201) [system] 'B'=end_of_file
   Fail: (201) [system] 'B'=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x563acd73bee0), 'B', _502962)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _538472)
   Call: (203) [system] peek_char((0x563acd73bee0), _539406)
   Exit: (203) [system] peek_char((0x563acd73bee0), ')')
^  Call: (203) [user] is_delimiter(')')
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] arg(_544126, v('(', ')', end_of_file), ')')
   Exit: (204) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (203) [user] is_delimiter(')')
   Call: (203) [system] _538472=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (202) [user] classify_and_convert_charseq(['B'], _502962)
^  Call: (203) [user] classify_and_convert_charseq_(['B'], _550562)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_551514, _551516), once(user:catch(read_from_chars(['B'], _550562), _551496, fail)), '$restore_trace'(_551514, _551516))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_551514, _551516))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _550562), _551496, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(_550562)
   Fail: (204) [system] atomic(_550562)
   Call: (204) [system] atom_chars(_550562, ['B'])
   Exit: (204) [system] atom_chars('B', ['B'])
^  Exit: (203) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (203) [system] integer('B')
   Fail: (203) [system] integer('B')
   Call: (203) [system] _502962='B'
   Exit: (203) [system] 'B'='B'
^  Exit: (202) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (201) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (200) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _565512)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _567370)
   Exit: (202) [system] peek_char((0x563acd73bee0), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
   Call: (202) [system] ')'=(/)
   Fail: (202) [system] ')'=(/)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _583380)
   Exit: (201) [system] peek_char((0x563acd73bee0), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x563acd73bee0), _587170)
   Exit: (201) [system] get_char((0x563acd73bee0), ')')
   Call: (201) [system] _565512=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), [])
   Call: (200) [system] _466302=['B']
   Exit: (200) [system] ['B']=['B']
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), ['B'])
   Call: (199) [system] _368964=['A', 'B']
   Exit: (199) [system] ['A', 'B']=['A', 'B']
^  Exit: (198) [user] read_list(')', (0x563acd73bee0), ['A', 'B'])
   Call: (198) [system] _162888=['AndLink', 'A', 'B']
   Exit: (198) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (197) [user] read_list(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Exit: (196) [user] cont_sexpr(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Call: (196) [user] read_list(')', (0x563acd73bee0), _601052)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _602910)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x563acd73bee0), _612504)
   Exit: (198) [system] get_char((0x563acd73bee0), ' ')
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _615208)
   Exit: (199) [system] peek_char((0x563acd73bee0), 'C')
   Call: (199) [system] 'C'=(;)
   Fail: (199) [system] 'C'=(;)
   Call: (199) [system] 'C'=(/)
   Fail: (199) [system] 'C'=(/)
^  Call: (199) [user] is_like_space('C')
   Call: (200) [system] char_type('C', 'white')
   Fail: (200) [system] char_type('C', 'white')
   Call: (200) [system] char_type('C', end_of_line)
   Fail: (200) [system] char_type('C', end_of_line)
   Call: (200) [system] char_type('C', space)
   Fail: (200) [system] char_type('C', space)
   Call: (200) [system] char_type('C', cntrl)
   Fail: (200) [system] char_type('C', cntrl)
^  Fail: (199) [user] is_like_space('C')
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _632142)
   Exit: (197) [system] peek_char((0x563acd73bee0), 'C')
   Call: (197) [system] 'C'=')'
   Fail: (197) [system] 'C'=')'
   Call: (197) [system] 'C'=end_of_file
   Fail: (197) [system] 'C'=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x563acd73bee0), _637712)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _639570)
   Exit: (199) [system] peek_char((0x563acd73bee0), 'C')
   Call: (199) [system] 'C'=(;)
   Fail: (199) [system] 'C'=(;)
   Call: (199) [system] 'C'=(/)
   Fail: (199) [system] 'C'=(/)
^  Call: (199) [user] is_like_space('C')
   Call: (200) [system] char_type('C', 'white')
   Fail: (200) [system] char_type('C', 'white')
   Call: (200) [system] char_type('C', end_of_line)
   Fail: (200) [system] char_type('C', end_of_line)
   Call: (200) [system] char_type('C', space)
   Fail: (200) [system] char_type('C', space)
   Call: (200) [system] char_type('C', cntrl)
   Fail: (200) [system] char_type('C', cntrl)
^  Fail: (199) [user] is_like_space('C')
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] get_char((0x563acd73bee0), _655580)
   Exit: (198) [system] get_char((0x563acd73bee0), 'C')
   Call: (198) [system] 'C'='('
   Fail: (198) [system] 'C'='('
   Call: (198) [system] 'C'='['
   Fail: (198) [system] 'C'='['
   Call: (198) [system] 'C'='{'
   Fail: (198) [system] 'C'='{'
   Call: (198) [system] 'C'='"'
   Fail: (198) [system] 'C'='"'
   Call: (198) [system] 'C'=!
   Fail: (198) [system] 'C'=!
   Call: (198) [system] 'C'='\''
   Fail: (198) [system] 'C'='\''
   Call: (198) [system] 'C'='`'
   Fail: (198) [system] 'C'='`'
   Call: (198) [system] 'C'=end_of_file
   Fail: (198) [system] 'C'=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x563acd73bee0), 'C', _637712)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _673222)
   Call: (200) [system] peek_char((0x563acd73bee0), _674156)
   Exit: (200) [system] peek_char((0x563acd73bee0), ')')
^  Call: (200) [user] is_delimiter(')')
   Call: (201) [system] char_type(')', space)
   Fail: (201) [system] char_type(')', space)
   Call: (201) [system] arg(_678876, v('(', ')', end_of_file), ')')
   Exit: (201) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (200) [user] is_delimiter(')')
   Call: (200) [system] _673222=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (199) [user] classify_and_convert_charseq(['C'], _637712)
^  Call: (200) [user] classify_and_convert_charseq_(['C'], _685312)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_686264, _686266), once(user:catch(read_from_chars(['C'], _685312), _686246, fail)), '$restore_trace'(_686264, _686266))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_686264, _686266))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _685312), _686246, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(_685312)
   Fail: (201) [system] atomic(_685312)
   Call: (201) [system] atom_chars(_685312, ['C'])
   Exit: (201) [system] atom_chars('C', ['C'])
^  Exit: (200) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (200) [system] integer('C')
   Fail: (200) [system] integer('C')
   Call: (200) [system] _637712='C'
   Exit: (200) [system] 'C'='C'
^  Exit: (199) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (198) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (197) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _700262)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _702120)
   Exit: (199) [system] peek_char((0x563acd73bee0), ')')
   Call: (199) [system] ')'=(;)
   Fail: (199) [system] ')'=(;)
   Call: (199) [system] ')'=(/)
   Fail: (199) [system] ')'=(/)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Fail: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Fail: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
   Fail: (200) [system] char_type(')', cntrl)
^  Fail: (199) [user] is_like_space(')')
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _718130)
   Exit: (198) [system] peek_char((0x563acd73bee0), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x563acd73bee0), _721920)
   Exit: (198) [system] get_char((0x563acd73bee0), ')')
   Call: (198) [system] _700262=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x563acd73bee0), [])
   Call: (197) [system] _601052=['C']
   Exit: (197) [system] ['C']=['C']
^  Exit: (196) [user] read_list(')', (0x563acd73bee0), ['C'])
   Call: (196) [system] _126228=[['AndLink', 'A', 'B'], 'C']
   Exit: (196) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), [['AndLink', 'A', 'B'], 'C'])
   Call: (195) [system] _3470=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (195) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (193) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _735802)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _737660)
   Exit: (195) [system] peek_char((0x563acd73bee0), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
   Call: (195) [system] ')'=(/)
   Fail: (195) [system] ')'=(/)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _753670)
   Exit: (194) [system] peek_char((0x563acd73bee0), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x563acd73bee0), _757460)
   Exit: (194) [system] get_char((0x563acd73bee0), ')')
   Call: (194) [system] _735802=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), [])
   Call: (193) [system] _3466=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (193) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (192) [system] _3460=[abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (192) [system] [abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]=[abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (191) [user] read_list(')', (0x563acd73bee0), [abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (191) [system] _3452=[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (191) [system] [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]=[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (190) [user] read_list(')', (0x563acd73bee0), [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (189) [user] cont_sexpr(')', (0x563acd73bee0), [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (189) [user] read_list(')', (0x563acd73bee0), _771342)
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _773200)
   Exit: (191) [system] peek_char((0x563acd73bee0), '\n')
   Call: (191) [system] '\n'=(;)
   Fail: (191) [system] '\n'=(;)
   Call: (191) [system] '\n'=(/)
   Fail: (191) [system] '\n'=(/)
^  Call: (191) [user] is_like_space('\n')
   Call: (192) [system] char_type('\n', 'white')
   Fail: (192) [system] char_type('\n', 'white')
   Call: (192) [system] char_type('\n', end_of_line)
   Exit: (192) [system] char_type('\n', end_of_line)
^  Exit: (191) [user] is_like_space('\n')
   Call: (191) [system] get_char((0x563acd73bee0), _784650)
   Exit: (191) [system] get_char((0x563acd73bee0), '\n')
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _787354)
   Exit: (192) [system] peek_char((0x563acd73bee0), '\t')
   Call: (192) [system] '\t'=(;)
   Fail: (192) [system] '\t'=(;)
   Call: (192) [system] '\t'=(/)
   Fail: (192) [system] '\t'=(/)
^  Call: (192) [user] is_like_space('\t')
   Call: (193) [system] char_type('\t', 'white')
   Exit: (193) [system] char_type('\t', 'white')
^  Exit: (192) [user] is_like_space('\t')
   Call: (192) [system] get_char((0x563acd73bee0), _796948)
   Exit: (192) [system] get_char((0x563acd73bee0), '\t')
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _799652)
   Exit: (193) [system] peek_char((0x563acd73bee0), '\t')
   Call: (193) [system] '\t'=(;)
   Fail: (193) [system] '\t'=(;)
   Call: (193) [system] '\t'=(/)
   Fail: (193) [system] '\t'=(/)
^  Call: (193) [user] is_like_space('\t')
   Call: (194) [system] char_type('\t', 'white')
   Exit: (194) [system] char_type('\t', 'white')
^  Exit: (193) [user] is_like_space('\t')
   Call: (193) [system] get_char((0x563acd73bee0), _809246)
   Exit: (193) [system] get_char((0x563acd73bee0), '\t')
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _811950)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x563acd73bee0), _821544)
   Exit: (194) [system] get_char((0x563acd73bee0), ' ')
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _824248)
   Exit: (195) [system] peek_char((0x563acd73bee0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _843954)
   Exit: (190) [system] peek_char((0x563acd73bee0), '(')
   Call: (190) [system] '('=')'
   Fail: (190) [system] '('=')'
   Call: (190) [system] '('=end_of_file
   Fail: (190) [system] '('=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x563acd73bee0), _849524)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _851382)
   Exit: (192) [system] peek_char((0x563acd73bee0), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
   Call: (192) [system] '('=(/)
   Fail: (192) [system] '('=(/)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] get_char((0x563acd73bee0), _867392)
   Exit: (191) [system] get_char((0x563acd73bee0), '(')
   Call: (191) [system] '('='('
   Exit: (191) [system] '('='('
^  Call: (191) [user] read_list(')', (0x563acd73bee0), _849524)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _872962)
   Exit: (193) [system] peek_char((0x563acd73bee0), :)
   Call: (193) [system] (:)=(;)
   Fail: (193) [system] (:)=(;)
   Call: (193) [system] (:)=(/)
   Fail: (193) [system] (:)=(/)
^  Call: (193) [user] is_like_space(:)
   Call: (194) [system] char_type(:, 'white')
   Fail: (194) [system] char_type(:, 'white')
   Call: (194) [system] char_type(:, end_of_line)
   Fail: (194) [system] char_type(:, end_of_line)
   Call: (194) [system] char_type(:, space)
   Fail: (194) [system] char_type(:, space)
   Call: (194) [system] char_type(:, cntrl)
   Fail: (194) [system] char_type(:, cntrl)
^  Fail: (193) [user] is_like_space(:)
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _888972)
   Exit: (192) [system] peek_char((0x563acd73bee0), :)
   Call: (192) [system] (:)=')'
   Fail: (192) [system] (:)=')'
   Call: (192) [system] (:)=end_of_file
   Fail: (192) [system] (:)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x563acd73bee0), _894542)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _896400)
   Exit: (194) [system] peek_char((0x563acd73bee0), :)
   Call: (194) [system] (:)=(;)
   Fail: (194) [system] (:)=(;)
   Call: (194) [system] (:)=(/)
   Fail: (194) [system] (:)=(/)
^  Call: (194) [user] is_like_space(:)
   Call: (195) [system] char_type(:, 'white')
   Fail: (195) [system] char_type(:, 'white')
   Call: (195) [system] char_type(:, end_of_line)
   Fail: (195) [system] char_type(:, end_of_line)
   Call: (195) [system] char_type(:, space)
   Fail: (195) [system] char_type(:, space)
   Call: (195) [system] char_type(:, cntrl)
   Fail: (195) [system] char_type(:, cntrl)
^  Fail: (194) [user] is_like_space(:)
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] get_char((0x563acd73bee0), _912410)
   Exit: (193) [system] get_char((0x563acd73bee0), :)
   Call: (193) [system] (:)='('
   Fail: (193) [system] (:)='('
   Call: (193) [system] (:)='['
   Fail: (193) [system] (:)='['
   Call: (193) [system] (:)='{'
   Fail: (193) [system] (:)='{'
   Call: (193) [system] (:)='"'
   Fail: (193) [system] (:)='"'
   Call: (193) [system] (:)=!
   Fail: (193) [system] (:)=!
   Call: (193) [system] (:)='\''
   Fail: (193) [system] (:)='\''
   Call: (193) [system] (:)='`'
   Fail: (193) [system] (:)='`'
   Call: (193) [system] (:)=end_of_file
   Fail: (193) [system] (:)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x563acd73bee0), :, _894542)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _930052)
   Call: (195) [system] peek_char((0x563acd73bee0), _930986)
   Exit: (195) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (195) [user] is_delimiter(' ')
   Call: (196) [system] char_type(' ', space)
   Exit: (196) [system] char_type(' ', space)
^  Exit: (195) [user] is_delimiter(' ')
   Call: (195) [system] _930052=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (194) [user] classify_and_convert_charseq([:], _894542)
^  Call: (195) [user] classify_and_convert_charseq_([:], _940270)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_941222, _941224), once(user:catch(read_from_chars([:], _940270), _941204, fail)), '$restore_trace'(_941222, _941224))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_941222, _941224))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _941204, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(:)
   Exit: (196) [system] atomic(:)
^  Exit: (195) [user] classify_and_convert_charseq_([:], :)
   Call: (195) [system] integer(:)
   Fail: (195) [system] integer(:)
   Call: (195) [system] _894542=(:)
   Exit: (195) [system] (:)=(:)
^  Exit: (194) [user] classify_and_convert_charseq([:], :)
^  Exit: (193) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (192) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _953350)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _955208)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x563acd73bee0), _964802)
   Exit: (194) [system] get_char((0x563acd73bee0), ' ')
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _967506)
   Exit: (195) [system] peek_char((0x563acd73bee0), c)
   Call: (195) [system] c=(;)
   Fail: (195) [system] c=(;)
   Call: (195) [system] c=(/)
   Fail: (195) [system] c=(/)
^  Call: (195) [user] is_like_space(c)
   Call: (196) [system] char_type(c, 'white')
   Fail: (196) [system] char_type(c, 'white')
   Call: (196) [system] char_type(c, end_of_line)
   Fail: (196) [system] char_type(c, end_of_line)
   Call: (196) [system] char_type(c, space)
   Fail: (196) [system] char_type(c, space)
   Call: (196) [system] char_type(c, cntrl)
   Fail: (196) [system] char_type(c, cntrl)
^  Fail: (195) [user] is_like_space(c)
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _984440)
   Exit: (193) [system] peek_char((0x563acd73bee0), c)
   Call: (193) [system] c=')'
   Fail: (193) [system] c=')'
   Call: (193) [system] c=end_of_file
   Fail: (193) [system] c=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x563acd73bee0), _990010)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _991868)
   Exit: (195) [system] peek_char((0x563acd73bee0), c)
   Call: (195) [system] c=(;)
   Fail: (195) [system] c=(;)
   Call: (195) [system] c=(/)
   Fail: (195) [system] c=(/)
^  Call: (195) [user] is_like_space(c)
   Call: (196) [system] char_type(c, 'white')
   Fail: (196) [system] char_type(c, 'white')
   Call: (196) [system] char_type(c, end_of_line)
   Fail: (196) [system] char_type(c, end_of_line)
   Call: (196) [system] char_type(c, space)
   Fail: (196) [system] char_type(c, space)
   Call: (196) [system] char_type(c, cntrl)
   Fail: (196) [system] char_type(c, cntrl)
^  Fail: (195) [user] is_like_space(c)
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] get_char((0x563acd73bee0), _1007878)
   Exit: (194) [system] get_char((0x563acd73bee0), c)
   Call: (194) [system] c='('
   Fail: (194) [system] c='('
   Call: (194) [system] c='['
   Fail: (194) [system] c='['
   Call: (194) [system] c='{'
   Fail: (194) [system] c='{'
   Call: (194) [system] c='"'
   Fail: (194) [system] c='"'
   Call: (194) [system] c=!
   Fail: (194) [system] c=!
   Call: (194) [system] c='\''
   Fail: (194) [system] c='\''
   Call: (194) [system] c='`'
   Fail: (194) [system] c='`'
   Call: (194) [system] c=end_of_file
   Fail: (194) [system] c=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x563acd73bee0), c, _990010)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _1025520)
   Call: (196) [system] peek_char((0x563acd73bee0), _1026454)
   Exit: (196) [system] peek_char((0x563acd73bee0), d)
^  Call: (196) [user] is_delimiter(d)
   Call: (197) [system] char_type(d, space)
   Fail: (197) [system] char_type(d, space)
   Call: (197) [system] arg(_1031174, v('(', ')', end_of_file), d)
   Fail: (197) [system] arg(_1032106, v('(', ')', end_of_file), d)
^  Fail: (196) [user] is_delimiter(d)
   Call: (196) [system] ')'==d
   Fail: (196) [system] ')'==d
   Call: (196) [system] get_char((0x563acd73bee0), d)
   Exit: (196) [system] get_char((0x563acd73bee0), d)
   Call: (196) [system] d=(\)
   Fail: (196) [system] d=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _1039456)
   Call: (197) [system] peek_char((0x563acd73bee0), _1040390)
   Exit: (197) [system] peek_char((0x563acd73bee0), e)
^  Call: (197) [user] is_delimiter(e)
   Call: (198) [system] char_type(e, space)
   Fail: (198) [system] char_type(e, space)
   Call: (198) [system] arg(_1045110, v('(', ')', end_of_file), e)
   Fail: (198) [system] arg(_1046042, v('(', ')', end_of_file), e)
^  Fail: (197) [user] is_delimiter(e)
   Call: (197) [system] ')'==e
   Fail: (197) [system] ')'==e
   Call: (197) [system] get_char((0x563acd73bee0), e)
   Exit: (197) [system] get_char((0x563acd73bee0), e)
   Call: (197) [system] e=(\)
   Fail: (197) [system] e=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _1053392)
   Call: (198) [system] peek_char((0x563acd73bee0), _1054326)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _1053392=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (197) [system] _1039456=[e]
   Exit: (197) [system] [e]=[e]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [e])
   Call: (196) [system] _1025520=[d, e]
   Exit: (196) [system] [d, e]=[d, e]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, e])
^  Call: (195) [user] classify_and_convert_charseq([c, d, e], _990010)
^  Call: (196) [user] classify_and_convert_charseq_([c, d, e], _1069198)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_1070150, _1070152), once(user:catch(read_from_chars([c, d, e], _1069198), _1070132, fail)), '$restore_trace'(_1070150, _1070152))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_1070150, _1070152))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1070132, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(cde)
   Exit: (197) [system] atomic(cde)
^  Exit: (196) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (196) [system] integer(cde)
   Fail: (196) [system] integer(cde)
   Call: (196) [system] _990010=cde
   Exit: (196) [system] cde=cde
^  Exit: (195) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (194) [user] read_symbolic(')', (0x563acd73bee0), c, cde)
^  Exit: (193) [user] cont_sexpr(')', (0x563acd73bee0), cde)
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _1082278)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1084136)
   Exit: (195) [system] peek_char((0x563acd73bee0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x563acd73bee0), _1093730)
   Exit: (195) [system] get_char((0x563acd73bee0), ' ')
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1096434)
   Exit: (196) [system] peek_char((0x563acd73bee0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1113368)
   Exit: (194) [system] peek_char((0x563acd73bee0), '(')
   Call: (194) [system] '('=')'
   Fail: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
   Fail: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x563acd73bee0), _1118938)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1120796)
   Exit: (196) [system] peek_char((0x563acd73bee0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] get_char((0x563acd73bee0), _1136806)
   Exit: (195) [system] get_char((0x563acd73bee0), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _1118938)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1142376)
   Exit: (197) [system] peek_char((0x563acd73bee0), 'I')
   Call: (197) [system] 'I'=(;)
   Fail: (197) [system] 'I'=(;)
   Call: (197) [system] 'I'=(/)
   Fail: (197) [system] 'I'=(/)
^  Call: (197) [user] is_like_space('I')
   Call: (198) [system] char_type('I', 'white')
   Fail: (198) [system] char_type('I', 'white')
   Call: (198) [system] char_type('I', end_of_line)
   Fail: (198) [system] char_type('I', end_of_line)
   Call: (198) [system] char_type('I', space)
   Fail: (198) [system] char_type('I', space)
   Call: (198) [system] char_type('I', cntrl)
   Fail: (198) [system] char_type('I', cntrl)
^  Fail: (197) [user] is_like_space('I')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1158386)
   Exit: (196) [system] peek_char((0x563acd73bee0), 'I')
   Call: (196) [system] 'I'=')'
   Fail: (196) [system] 'I'=')'
   Call: (196) [system] 'I'=end_of_file
   Fail: (196) [system] 'I'=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x563acd73bee0), _1163956)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1165814)
   Exit: (198) [system] peek_char((0x563acd73bee0), 'I')
   Call: (198) [system] 'I'=(;)
   Fail: (198) [system] 'I'=(;)
   Call: (198) [system] 'I'=(/)
   Fail: (198) [system] 'I'=(/)
^  Call: (198) [user] is_like_space('I')
   Call: (199) [system] char_type('I', 'white')
   Fail: (199) [system] char_type('I', 'white')
   Call: (199) [system] char_type('I', end_of_line)
   Fail: (199) [system] char_type('I', end_of_line)
   Call: (199) [system] char_type('I', space)
   Fail: (199) [system] char_type('I', space)
   Call: (199) [system] char_type('I', cntrl)
   Fail: (199) [system] char_type('I', cntrl)
^  Fail: (198) [user] is_like_space('I')
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] get_char((0x563acd73bee0), _1181824)
   Exit: (197) [system] get_char((0x563acd73bee0), 'I')
   Call: (197) [system] 'I'='('
   Fail: (197) [system] 'I'='('
   Call: (197) [system] 'I'='['
   Fail: (197) [system] 'I'='['
   Call: (197) [system] 'I'='{'
   Fail: (197) [system] 'I'='{'
   Call: (197) [system] 'I'='"'
   Fail: (197) [system] 'I'='"'
   Call: (197) [system] 'I'=!
   Fail: (197) [system] 'I'=!
   Call: (197) [system] 'I'='\''
   Fail: (197) [system] 'I'='\''
   Call: (197) [system] 'I'='`'
   Fail: (197) [system] 'I'='`'
   Call: (197) [system] 'I'=end_of_file
   Fail: (197) [system] 'I'=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x563acd73bee0), 'I', _1163956)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _1199466)
   Call: (199) [system] peek_char((0x563acd73bee0), _1200400)
   Exit: (199) [system] peek_char((0x563acd73bee0), m)
^  Call: (199) [user] is_delimiter(m)
   Call: (200) [system] char_type(m, space)
   Fail: (200) [system] char_type(m, space)
   Call: (200) [system] arg(_1205120, v('(', ')', end_of_file), m)
   Fail: (200) [system] arg(_1206052, v('(', ')', end_of_file), m)
^  Fail: (199) [user] is_delimiter(m)
   Call: (199) [system] ')'==m
   Fail: (199) [system] ')'==m
   Call: (199) [system] get_char((0x563acd73bee0), m)
   Exit: (199) [system] get_char((0x563acd73bee0), m)
   Call: (199) [system] m=(\)
   Fail: (199) [system] m=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _1213402)
   Call: (200) [system] peek_char((0x563acd73bee0), _1214336)
   Exit: (200) [system] peek_char((0x563acd73bee0), p)
^  Call: (200) [user] is_delimiter(p)
   Call: (201) [system] char_type(p, space)
   Fail: (201) [system] char_type(p, space)
   Call: (201) [system] arg(_1219056, v('(', ')', end_of_file), p)
   Fail: (201) [system] arg(_1219988, v('(', ')', end_of_file), p)
^  Fail: (200) [user] is_delimiter(p)
   Call: (200) [system] ')'==p
   Fail: (200) [system] ')'==p
   Call: (200) [system] get_char((0x563acd73bee0), p)
   Exit: (200) [system] get_char((0x563acd73bee0), p)
   Call: (200) [system] p=(\)
   Fail: (200) [system] p=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _1227338)
   Call: (201) [system] peek_char((0x563acd73bee0), _1228272)
   Exit: (201) [system] peek_char((0x563acd73bee0), l)
^  Call: (201) [user] is_delimiter(l)
   Call: (202) [system] char_type(l, space)
   Fail: (202) [system] char_type(l, space)
   Call: (202) [system] arg(_1232992, v('(', ')', end_of_file), l)
   Fail: (202) [system] arg(_1233924, v('(', ')', end_of_file), l)
^  Fail: (201) [user] is_delimiter(l)
   Call: (201) [system] ')'==l
   Fail: (201) [system] ')'==l
   Call: (201) [system] get_char((0x563acd73bee0), l)
   Exit: (201) [system] get_char((0x563acd73bee0), l)
   Call: (201) [system] l=(\)
   Fail: (201) [system] l=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _1241274)
   Call: (202) [system] peek_char((0x563acd73bee0), _1242208)
   Exit: (202) [system] peek_char((0x563acd73bee0), i)
^  Call: (202) [user] is_delimiter(i)
   Call: (203) [system] char_type(i, space)
   Fail: (203) [system] char_type(i, space)
   Call: (203) [system] arg(_1246928, v('(', ')', end_of_file), i)
   Fail: (203) [system] arg(_1247860, v('(', ')', end_of_file), i)
^  Fail: (202) [user] is_delimiter(i)
   Call: (202) [system] ')'==i
   Fail: (202) [system] ')'==i
   Call: (202) [system] get_char((0x563acd73bee0), i)
   Exit: (202) [system] get_char((0x563acd73bee0), i)
   Call: (202) [system] i=(\)
   Fail: (202) [system] i=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1255210)
   Call: (203) [system] peek_char((0x563acd73bee0), _1256144)
   Exit: (203) [system] peek_char((0x563acd73bee0), c)
^  Call: (203) [user] is_delimiter(c)
   Call: (204) [system] char_type(c, space)
   Fail: (204) [system] char_type(c, space)
   Call: (204) [system] arg(_1260864, v('(', ')', end_of_file), c)
   Fail: (204) [system] arg(_1261796, v('(', ')', end_of_file), c)
^  Fail: (203) [user] is_delimiter(c)
   Call: (203) [system] ')'==c
   Fail: (203) [system] ')'==c
   Call: (203) [system] get_char((0x563acd73bee0), c)
   Exit: (203) [system] get_char((0x563acd73bee0), c)
   Call: (203) [system] c=(\)
   Fail: (203) [system] c=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1269146)
   Call: (204) [system] peek_char((0x563acd73bee0), _1270080)
   Exit: (204) [system] peek_char((0x563acd73bee0), a)
^  Call: (204) [user] is_delimiter(a)
   Call: (205) [system] char_type(a, space)
   Fail: (205) [system] char_type(a, space)
   Call: (205) [system] arg(_1274800, v('(', ')', end_of_file), a)
   Fail: (205) [system] arg(_1275732, v('(', ')', end_of_file), a)
^  Fail: (204) [user] is_delimiter(a)
   Call: (204) [system] ')'==a
   Fail: (204) [system] ')'==a
   Call: (204) [system] get_char((0x563acd73bee0), a)
   Exit: (204) [system] get_char((0x563acd73bee0), a)
   Call: (204) [system] a=(\)
   Fail: (204) [system] a=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1283082)
   Call: (205) [system] peek_char((0x563acd73bee0), _1284016)
   Exit: (205) [system] peek_char((0x563acd73bee0), t)
^  Call: (205) [user] is_delimiter(t)
   Call: (206) [system] char_type(t, space)
   Fail: (206) [system] char_type(t, space)
   Call: (206) [system] arg(_1288736, v('(', ')', end_of_file), t)
   Fail: (206) [system] arg(_1289668, v('(', ')', end_of_file), t)
^  Fail: (205) [user] is_delimiter(t)
   Call: (205) [system] ')'==t
   Fail: (205) [system] ')'==t
   Call: (205) [system] get_char((0x563acd73bee0), t)
   Exit: (205) [system] get_char((0x563acd73bee0), t)
   Call: (205) [system] t=(\)
   Fail: (205) [system] t=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1297018)
   Call: (206) [system] peek_char((0x563acd73bee0), _1297952)
   Exit: (206) [system] peek_char((0x563acd73bee0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_1302672, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_1303604, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x563acd73bee0), i)
   Exit: (206) [system] get_char((0x563acd73bee0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1310954)
   Call: (207) [system] peek_char((0x563acd73bee0), _1311888)
   Exit: (207) [system] peek_char((0x563acd73bee0), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_1316608, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_1317540, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x563acd73bee0), o)
   Exit: (207) [system] get_char((0x563acd73bee0), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1324890)
   Call: (208) [system] peek_char((0x563acd73bee0), _1325824)
   Exit: (208) [system] peek_char((0x563acd73bee0), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Fail: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_1330544, v('(', ')', end_of_file), n)
   Fail: (209) [system] arg(_1331476, v('(', ')', end_of_file), n)
^  Fail: (208) [user] is_delimiter(n)
   Call: (208) [system] ')'==n
   Fail: (208) [system] ')'==n
   Call: (208) [system] get_char((0x563acd73bee0), n)
   Exit: (208) [system] get_char((0x563acd73bee0), n)
   Call: (208) [system] n=(\)
   Fail: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1338826)
   Call: (209) [system] peek_char((0x563acd73bee0), _1339760)
   Exit: (209) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _1338826=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (208) [system] _1324890=[n]
   Exit: (208) [system] [n]=[n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (207) [system] _1310954=[o, n]
   Exit: (207) [system] [o, n]=[o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (206) [system] _1297018=[i, o, n]
   Exit: (206) [system] [i, o, n]=[i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (205) [system] _1283082=[t, i, o, n]
   Exit: (205) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (204) [system] _1269146=[a, t, i, o, n]
   Exit: (204) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (203) [system] _1255210=[c, a, t, i, o, n]
   Exit: (203) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (202) [system] _1241274=[i, c, a, t, i, o, n]
   Exit: (202) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (201) [system] _1227338=[l, i, c, a, t, i, o, n]
   Exit: (201) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (200) [system] _1213402=[p, l, i, c, a, t, i, o, n]
   Exit: (200) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (199) [system] _1199466=[m, p, l, i, c, a, t, i, o, n]
   Exit: (199) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (198) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1163956)
^  Call: (199) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1376984)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_1377936, _1377938), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1376984), _1377918, fail)), '$restore_trace'(_1377936, _1377938))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_1377936, _1377938))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1376984), _1377918, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(_1376984)
   Fail: (200) [system] atomic(_1376984)
   Call: (200) [system] atom_chars(_1376984, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (200) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (199) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (199) [system] integer('Implication')
   Fail: (199) [system] integer('Implication')
   Call: (199) [system] _1163956='Implication'
   Exit: (199) [system] 'Implication'='Implication'
^  Exit: (198) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (197) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (196) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (196) [user] read_list(')', (0x563acd73bee0), _1391934)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1393792)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x563acd73bee0), _1403386)
   Exit: (198) [system] get_char((0x563acd73bee0), ' ')
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1406090)
   Exit: (199) [system] peek_char((0x563acd73bee0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1423024)
   Exit: (197) [system] peek_char((0x563acd73bee0), '(')
   Call: (197) [system] '('=')'
   Fail: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
   Fail: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x563acd73bee0), _1428594)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1430452)
   Exit: (199) [system] peek_char((0x563acd73bee0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] get_char((0x563acd73bee0), _1446462)
   Exit: (198) [system] get_char((0x563acd73bee0), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _1428594)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1452032)
   Exit: (200) [system] peek_char((0x563acd73bee0), 'O')
   Call: (200) [system] 'O'=(;)
   Fail: (200) [system] 'O'=(;)
   Call: (200) [system] 'O'=(/)
   Fail: (200) [system] 'O'=(/)
^  Call: (200) [user] is_like_space('O')
   Call: (201) [system] char_type('O', 'white')
   Fail: (201) [system] char_type('O', 'white')
   Call: (201) [system] char_type('O', end_of_line)
   Fail: (201) [system] char_type('O', end_of_line)
   Call: (201) [system] char_type('O', space)
   Fail: (201) [system] char_type('O', space)
   Call: (201) [system] char_type('O', cntrl)
   Fail: (201) [system] char_type('O', cntrl)
^  Fail: (200) [user] is_like_space('O')
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1468042)
   Exit: (199) [system] peek_char((0x563acd73bee0), 'O')
   Call: (199) [system] 'O'=')'
   Fail: (199) [system] 'O'=')'
   Call: (199) [system] 'O'=end_of_file
   Fail: (199) [system] 'O'=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x563acd73bee0), _1473612)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1475470)
   Exit: (201) [system] peek_char((0x563acd73bee0), 'O')
   Call: (201) [system] 'O'=(;)
   Fail: (201) [system] 'O'=(;)
   Call: (201) [system] 'O'=(/)
   Fail: (201) [system] 'O'=(/)
^  Call: (201) [user] is_like_space('O')
   Call: (202) [system] char_type('O', 'white')
   Fail: (202) [system] char_type('O', 'white')
   Call: (202) [system] char_type('O', end_of_line)
   Fail: (202) [system] char_type('O', end_of_line)
   Call: (202) [system] char_type('O', space)
   Fail: (202) [system] char_type('O', space)
   Call: (202) [system] char_type('O', cntrl)
   Fail: (202) [system] char_type('O', cntrl)
^  Fail: (201) [user] is_like_space('O')
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] get_char((0x563acd73bee0), _1491480)
   Exit: (200) [system] get_char((0x563acd73bee0), 'O')
   Call: (200) [system] 'O'='('
   Fail: (200) [system] 'O'='('
   Call: (200) [system] 'O'='['
   Fail: (200) [system] 'O'='['
   Call: (200) [system] 'O'='{'
   Fail: (200) [system] 'O'='{'
   Call: (200) [system] 'O'='"'
   Fail: (200) [system] 'O'='"'
   Call: (200) [system] 'O'=!
   Fail: (200) [system] 'O'=!
   Call: (200) [system] 'O'='\''
   Fail: (200) [system] 'O'='\''
   Call: (200) [system] 'O'='`'
   Fail: (200) [system] 'O'='`'
   Call: (200) [system] 'O'=end_of_file
   Fail: (200) [system] 'O'=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x563acd73bee0), 'O', _1473612)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _1509122)
   Call: (202) [system] peek_char((0x563acd73bee0), _1510056)
   Exit: (202) [system] peek_char((0x563acd73bee0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_1514776, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_1515708, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x563acd73bee0), r)
   Exit: (202) [system] get_char((0x563acd73bee0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1523058)
   Call: (203) [system] peek_char((0x563acd73bee0), _1523992)
   Exit: (203) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (203) [user] is_delimiter('L')
   Call: (204) [system] char_type('L', space)
   Fail: (204) [system] char_type('L', space)
   Call: (204) [system] arg(_1528712, v('(', ')', end_of_file), 'L')
   Fail: (204) [system] arg(_1529644, v('(', ')', end_of_file), 'L')
^  Fail: (203) [user] is_delimiter('L')
   Call: (203) [system] ')'=='L'
   Fail: (203) [system] ')'=='L'
   Call: (203) [system] get_char((0x563acd73bee0), 'L')
   Exit: (203) [system] get_char((0x563acd73bee0), 'L')
   Call: (203) [system] 'L'=(\)
   Fail: (203) [system] 'L'=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1536994)
   Call: (204) [system] peek_char((0x563acd73bee0), _1537928)
   Exit: (204) [system] peek_char((0x563acd73bee0), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Fail: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_1542648, v('(', ')', end_of_file), i)
   Fail: (205) [system] arg(_1543580, v('(', ')', end_of_file), i)
^  Fail: (204) [user] is_delimiter(i)
   Call: (204) [system] ')'==i
   Fail: (204) [system] ')'==i
   Call: (204) [system] get_char((0x563acd73bee0), i)
   Exit: (204) [system] get_char((0x563acd73bee0), i)
   Call: (204) [system] i=(\)
   Fail: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1550930)
   Call: (205) [system] peek_char((0x563acd73bee0), _1551864)
   Exit: (205) [system] peek_char((0x563acd73bee0), n)
^  Call: (205) [user] is_delimiter(n)
   Call: (206) [system] char_type(n, space)
   Fail: (206) [system] char_type(n, space)
   Call: (206) [system] arg(_1556584, v('(', ')', end_of_file), n)
   Fail: (206) [system] arg(_1557516, v('(', ')', end_of_file), n)
^  Fail: (205) [user] is_delimiter(n)
   Call: (205) [system] ')'==n
   Fail: (205) [system] ')'==n
   Call: (205) [system] get_char((0x563acd73bee0), n)
   Exit: (205) [system] get_char((0x563acd73bee0), n)
   Call: (205) [system] n=(\)
   Fail: (205) [system] n=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1564866)
   Call: (206) [system] peek_char((0x563acd73bee0), _1565800)
   Exit: (206) [system] peek_char((0x563acd73bee0), k)
^  Call: (206) [user] is_delimiter(k)
   Call: (207) [system] char_type(k, space)
   Fail: (207) [system] char_type(k, space)
   Call: (207) [system] arg(_1570520, v('(', ')', end_of_file), k)
   Fail: (207) [system] arg(_1571452, v('(', ')', end_of_file), k)
^  Fail: (206) [user] is_delimiter(k)
   Call: (206) [system] ')'==k
   Fail: (206) [system] ')'==k
   Call: (206) [system] get_char((0x563acd73bee0), k)
   Exit: (206) [system] get_char((0x563acd73bee0), k)
   Call: (206) [system] k=(\)
   Fail: (206) [system] k=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1578802)
   Call: (207) [system] peek_char((0x563acd73bee0), _1579736)
   Exit: (207) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _1578802=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (206) [system] _1564866=[k]
   Exit: (206) [system] [k]=[k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (205) [system] _1550930=[n, k]
   Exit: (205) [system] [n, k]=[n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (204) [system] _1536994=[i, n, k]
   Exit: (204) [system] [i, n, k]=[i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (203) [system] _1523058=['L', i, n, k]
   Exit: (203) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (202) [system] _1509122=[r, 'L', i, n, k]
   Exit: (202) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (201) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1473612)
^  Call: (202) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1602990)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_1603942, _1603944), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1602990), _1603924, fail)), '$restore_trace'(_1603942, _1603944))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_1603942, _1603944))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1602990), _1603924, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(_1602990)
   Fail: (203) [system] atomic(_1602990)
   Call: (203) [system] atom_chars(_1602990, ['O', r, 'L', i, n, k])
   Exit: (203) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (202) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (202) [system] integer('OrLink')
   Fail: (202) [system] integer('OrLink')
   Call: (202) [system] _1473612='OrLink'
   Exit: (202) [system] 'OrLink'='OrLink'
^  Exit: (201) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (200) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (199) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _1617940)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1619798)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _1629392)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1632096)
   Exit: (202) [system] peek_char((0x563acd73bee0), 'C')
   Call: (202) [system] 'C'=(;)
   Fail: (202) [system] 'C'=(;)
   Call: (202) [system] 'C'=(/)
   Fail: (202) [system] 'C'=(/)
^  Call: (202) [user] is_like_space('C')
   Call: (203) [system] char_type('C', 'white')
   Fail: (203) [system] char_type('C', 'white')
   Call: (203) [system] char_type('C', end_of_line)
   Fail: (203) [system] char_type('C', end_of_line)
   Call: (203) [system] char_type('C', space)
   Fail: (203) [system] char_type('C', space)
   Call: (203) [system] char_type('C', cntrl)
   Fail: (203) [system] char_type('C', cntrl)
^  Fail: (202) [user] is_like_space('C')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1649030)
   Exit: (200) [system] peek_char((0x563acd73bee0), 'C')
   Call: (200) [system] 'C'=')'
   Fail: (200) [system] 'C'=')'
   Call: (200) [system] 'C'=end_of_file
   Fail: (200) [system] 'C'=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x563acd73bee0), _1654600)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1656458)
   Exit: (202) [system] peek_char((0x563acd73bee0), 'C')
   Call: (202) [system] 'C'=(;)
   Fail: (202) [system] 'C'=(;)
   Call: (202) [system] 'C'=(/)
   Fail: (202) [system] 'C'=(/)
^  Call: (202) [user] is_like_space('C')
   Call: (203) [system] char_type('C', 'white')
   Fail: (203) [system] char_type('C', 'white')
   Call: (203) [system] char_type('C', end_of_line)
   Fail: (203) [system] char_type('C', end_of_line)
   Call: (203) [system] char_type('C', space)
   Fail: (203) [system] char_type('C', space)
   Call: (203) [system] char_type('C', cntrl)
   Fail: (203) [system] char_type('C', cntrl)
^  Fail: (202) [user] is_like_space('C')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] get_char((0x563acd73bee0), _1672468)
   Exit: (201) [system] get_char((0x563acd73bee0), 'C')
   Call: (201) [system] 'C'='('
   Fail: (201) [system] 'C'='('
   Call: (201) [system] 'C'='['
   Fail: (201) [system] 'C'='['
   Call: (201) [system] 'C'='{'
   Fail: (201) [system] 'C'='{'
   Call: (201) [system] 'C'='"'
   Fail: (201) [system] 'C'='"'
   Call: (201) [system] 'C'=!
   Fail: (201) [system] 'C'=!
   Call: (201) [system] 'C'='\''
   Fail: (201) [system] 'C'='\''
   Call: (201) [system] 'C'='`'
   Fail: (201) [system] 'C'='`'
   Call: (201) [system] 'C'=end_of_file
   Fail: (201) [system] 'C'=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x563acd73bee0), 'C', _1654600)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1690110)
   Call: (203) [system] peek_char((0x563acd73bee0), _1691044)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _1690110=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (202) [user] classify_and_convert_charseq(['C'], _1654600)
^  Call: (203) [user] classify_and_convert_charseq_(['C'], _1700328)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_1701280, _1701282), once(user:catch(read_from_chars(['C'], _1700328), _1701262, fail)), '$restore_trace'(_1701280, _1701282))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_1701280, _1701282))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1700328), _1701262, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(_1700328)
   Fail: (204) [system] atomic(_1700328)
   Call: (204) [system] atom_chars(_1700328, ['C'])
   Exit: (204) [system] atom_chars('C', ['C'])
^  Exit: (203) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (203) [system] integer('C')
   Fail: (203) [system] integer('C')
   Call: (203) [system] _1654600='C'
   Exit: (203) [system] 'C'='C'
^  Exit: (202) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (201) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (200) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _1715278)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1717136)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x563acd73bee0), _1726730)
   Exit: (202) [system] get_char((0x563acd73bee0), ' ')
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1729434)
   Exit: (203) [system] peek_char((0x563acd73bee0), 'D')
   Call: (203) [system] 'D'=(;)
   Fail: (203) [system] 'D'=(;)
   Call: (203) [system] 'D'=(/)
   Fail: (203) [system] 'D'=(/)
^  Call: (203) [user] is_like_space('D')
   Call: (204) [system] char_type('D', 'white')
   Fail: (204) [system] char_type('D', 'white')
   Call: (204) [system] char_type('D', end_of_line)
   Fail: (204) [system] char_type('D', end_of_line)
   Call: (204) [system] char_type('D', space)
   Fail: (204) [system] char_type('D', space)
   Call: (204) [system] char_type('D', cntrl)
   Fail: (204) [system] char_type('D', cntrl)
^  Fail: (203) [user] is_like_space('D')
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1746368)
   Exit: (201) [system] peek_char((0x563acd73bee0), 'D')
   Call: (201) [system] 'D'=')'
   Fail: (201) [system] 'D'=')'
   Call: (201) [system] 'D'=end_of_file
   Fail: (201) [system] 'D'=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x563acd73bee0), _1751938)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1753796)
   Exit: (203) [system] peek_char((0x563acd73bee0), 'D')
   Call: (203) [system] 'D'=(;)
   Fail: (203) [system] 'D'=(;)
   Call: (203) [system] 'D'=(/)
   Fail: (203) [system] 'D'=(/)
^  Call: (203) [user] is_like_space('D')
   Call: (204) [system] char_type('D', 'white')
   Fail: (204) [system] char_type('D', 'white')
   Call: (204) [system] char_type('D', end_of_line)
   Fail: (204) [system] char_type('D', end_of_line)
   Call: (204) [system] char_type('D', space)
   Fail: (204) [system] char_type('D', space)
   Call: (204) [system] char_type('D', cntrl)
   Fail: (204) [system] char_type('D', cntrl)
^  Fail: (203) [user] is_like_space('D')
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] get_char((0x563acd73bee0), _1769806)
   Exit: (202) [system] get_char((0x563acd73bee0), 'D')
   Call: (202) [system] 'D'='('
   Fail: (202) [system] 'D'='('
   Call: (202) [system] 'D'='['
   Fail: (202) [system] 'D'='['
   Call: (202) [system] 'D'='{'
   Fail: (202) [system] 'D'='{'
   Call: (202) [system] 'D'='"'
   Fail: (202) [system] 'D'='"'
   Call: (202) [system] 'D'=!
   Fail: (202) [system] 'D'=!
   Call: (202) [system] 'D'='\''
   Fail: (202) [system] 'D'='\''
   Call: (202) [system] 'D'='`'
   Fail: (202) [system] 'D'='`'
   Call: (202) [system] 'D'=end_of_file
   Fail: (202) [system] 'D'=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x563acd73bee0), 'D', _1751938)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1787448)
   Call: (204) [system] peek_char((0x563acd73bee0), _1788382)
   Exit: (204) [system] peek_char((0x563acd73bee0), ')')
^  Call: (204) [user] is_delimiter(')')
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] arg(_1793102, v('(', ')', end_of_file), ')')
   Exit: (205) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (204) [user] is_delimiter(')')
   Call: (204) [system] _1787448=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (203) [user] classify_and_convert_charseq(['D'], _1751938)
^  Call: (204) [user] classify_and_convert_charseq_(['D'], _1799538)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_1800490, _1800492), once(user:catch(read_from_chars(['D'], _1799538), _1800472, fail)), '$restore_trace'(_1800490, _1800492))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_1800490, _1800492))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1799538), _1800472, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(_1799538)
   Fail: (205) [system] atomic(_1799538)
   Call: (205) [system] atom_chars(_1799538, ['D'])
   Exit: (205) [system] atom_chars('D', ['D'])
^  Exit: (204) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (204) [system] integer('D')
   Fail: (204) [system] integer('D')
   Call: (204) [system] _1751938='D'
   Exit: (204) [system] 'D'='D'
^  Exit: (203) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (202) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'D')
^  Exit: (201) [user] cont_sexpr(')', (0x563acd73bee0), 'D')
^  Call: (201) [user] read_list(')', (0x563acd73bee0), _1814488)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1816346)
   Exit: (203) [system] peek_char((0x563acd73bee0), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
   Call: (203) [system] ')'=(/)
   Fail: (203) [system] ')'=(/)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1832356)
   Exit: (202) [system] peek_char((0x563acd73bee0), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x563acd73bee0), _1836146)
   Exit: (202) [system] get_char((0x563acd73bee0), ')')
   Call: (202) [system] _1814488=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x563acd73bee0), [])
   Call: (201) [system] _1715278=['D']
   Exit: (201) [system] ['D']=['D']
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), ['D'])
   Call: (200) [system] _1617940=['C', 'D']
   Exit: (200) [system] ['C', 'D']=['C', 'D']
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), ['C', 'D'])
   Call: (199) [system] _1428594=['OrLink', 'C', 'D']
   Exit: (199) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (198) [user] read_list(')', (0x563acd73bee0), ['OrLink', 'C', 'D'])
^  Exit: (197) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', 'C', 'D'])
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _1850028)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1851886)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x563acd73bee0), _1861480)
   Exit: (199) [system] get_char((0x563acd73bee0), ' ')
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1864184)
   Exit: (200) [system] peek_char((0x563acd73bee0), 'E')
   Call: (200) [system] 'E'=(;)
   Fail: (200) [system] 'E'=(;)
   Call: (200) [system] 'E'=(/)
   Fail: (200) [system] 'E'=(/)
^  Call: (200) [user] is_like_space('E')
   Call: (201) [system] char_type('E', 'white')
   Fail: (201) [system] char_type('E', 'white')
   Call: (201) [system] char_type('E', end_of_line)
   Fail: (201) [system] char_type('E', end_of_line)
   Call: (201) [system] char_type('E', space)
   Fail: (201) [system] char_type('E', space)
   Call: (201) [system] char_type('E', cntrl)
   Fail: (201) [system] char_type('E', cntrl)
^  Fail: (200) [user] is_like_space('E')
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1881118)
   Exit: (198) [system] peek_char((0x563acd73bee0), 'E')
   Call: (198) [system] 'E'=')'
   Fail: (198) [system] 'E'=')'
   Call: (198) [system] 'E'=end_of_file
   Fail: (198) [system] 'E'=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x563acd73bee0), _1886688)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1888546)
   Exit: (200) [system] peek_char((0x563acd73bee0), 'E')
   Call: (200) [system] 'E'=(;)
   Fail: (200) [system] 'E'=(;)
   Call: (200) [system] 'E'=(/)
   Fail: (200) [system] 'E'=(/)
^  Call: (200) [user] is_like_space('E')
   Call: (201) [system] char_type('E', 'white')
   Fail: (201) [system] char_type('E', 'white')
   Call: (201) [system] char_type('E', end_of_line)
   Fail: (201) [system] char_type('E', end_of_line)
   Call: (201) [system] char_type('E', space)
   Fail: (201) [system] char_type('E', space)
   Call: (201) [system] char_type('E', cntrl)
   Fail: (201) [system] char_type('E', cntrl)
^  Fail: (200) [user] is_like_space('E')
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] get_char((0x563acd73bee0), _1904556)
   Exit: (199) [system] get_char((0x563acd73bee0), 'E')
   Call: (199) [system] 'E'='('
   Fail: (199) [system] 'E'='('
   Call: (199) [system] 'E'='['
   Fail: (199) [system] 'E'='['
   Call: (199) [system] 'E'='{'
   Fail: (199) [system] 'E'='{'
   Call: (199) [system] 'E'='"'
   Fail: (199) [system] 'E'='"'
   Call: (199) [system] 'E'=!
   Fail: (199) [system] 'E'=!
   Call: (199) [system] 'E'='\''
   Fail: (199) [system] 'E'='\''
   Call: (199) [system] 'E'='`'
   Fail: (199) [system] 'E'='`'
   Call: (199) [system] 'E'=end_of_file
   Fail: (199) [system] 'E'=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x563acd73bee0), 'E', _1886688)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _1922198)
   Call: (201) [system] peek_char((0x563acd73bee0), _1923132)
   Exit: (201) [system] peek_char((0x563acd73bee0), ')')
^  Call: (201) [user] is_delimiter(')')
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] arg(_1927852, v('(', ')', end_of_file), ')')
   Exit: (202) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (201) [user] is_delimiter(')')
   Call: (201) [system] _1922198=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (200) [user] classify_and_convert_charseq(['E'], _1886688)
^  Call: (201) [user] classify_and_convert_charseq_(['E'], _1934288)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_1935240, _1935242), once(user:catch(read_from_chars(['E'], _1934288), _1935222, fail)), '$restore_trace'(_1935240, _1935242))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_1935240, _1935242))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1934288), _1935222, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(_1934288)
   Fail: (202) [system] atomic(_1934288)
   Call: (202) [system] atom_chars(_1934288, ['E'])
   Exit: (202) [system] atom_chars('E', ['E'])
^  Exit: (201) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (201) [system] integer('E')
   Fail: (201) [system] integer('E')
   Call: (201) [system] _1886688='E'
   Exit: (201) [system] 'E'='E'
^  Exit: (200) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (199) [user] read_symbolic(')', (0x563acd73bee0), 'E', 'E')
^  Exit: (198) [user] cont_sexpr(')', (0x563acd73bee0), 'E')
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _1949238)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1951096)
   Exit: (200) [system] peek_char((0x563acd73bee0), ')')
   Call: (200) [system] ')'=(;)
   Fail: (200) [system] ')'=(;)
   Call: (200) [system] ')'=(/)
   Fail: (200) [system] ')'=(/)
^  Call: (200) [user] is_like_space(')')
   Call: (201) [system] char_type(')', 'white')
   Fail: (201) [system] char_type(')', 'white')
   Call: (201) [system] char_type(')', end_of_line)
   Fail: (201) [system] char_type(')', end_of_line)
   Call: (201) [system] char_type(')', space)
   Fail: (201) [system] char_type(')', space)
   Call: (201) [system] char_type(')', cntrl)
   Fail: (201) [system] char_type(')', cntrl)
^  Fail: (200) [user] is_like_space(')')
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1967106)
   Exit: (199) [system] peek_char((0x563acd73bee0), ')')
   Call: (199) [system] ')'=')'
   Exit: (199) [system] ')'=')'
   Call: (199) [system] get_char((0x563acd73bee0), _1970896)
   Exit: (199) [system] get_char((0x563acd73bee0), ')')
   Call: (199) [system] _1949238=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_list(')', (0x563acd73bee0), [])
   Call: (198) [system] _1850028=['E']
   Exit: (198) [system] ['E']=['E']
^  Exit: (197) [user] read_list(')', (0x563acd73bee0), ['E'])
   Call: (197) [system] _1391934=[['OrLink', 'C', 'D'], 'E']
   Exit: (197) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (196) [user] read_list(')', (0x563acd73bee0), [['OrLink', 'C', 'D'], 'E'])
   Call: (196) [system] _1118938=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (196) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (194) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _1984778)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1986636)
   Exit: (196) [system] peek_char((0x563acd73bee0), ')')
   Call: (196) [system] ')'=(;)
   Fail: (196) [system] ')'=(;)
   Call: (196) [system] ')'=(/)
   Fail: (196) [system] ')'=(/)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Fail: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Fail: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
   Fail: (197) [system] char_type(')', cntrl)
^  Fail: (196) [user] is_like_space(')')
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _2002646)
   Exit: (195) [system] peek_char((0x563acd73bee0), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x563acd73bee0), _2006436)
   Exit: (195) [system] get_char((0x563acd73bee0), ')')
   Call: (195) [system] _1984778=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), [])
   Call: (194) [system] _1082278=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (194) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (193) [system] _953350=[cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (193) [system] [cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]=[cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), [cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (192) [system] _849524=[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (192) [system] [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]=[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (191) [user] read_list(')', (0x563acd73bee0), [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (190) [user] cont_sexpr(')', (0x563acd73bee0), [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (190) [user] read_list(')', (0x563acd73bee0), _2020318)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _2022176)
   Exit: (192) [system] peek_char((0x563acd73bee0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x563acd73bee0), _2031770)
   Exit: (192) [system] get_char((0x563acd73bee0), ' ')
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _2034474)
   Exit: (193) [system] peek_char((0x563acd73bee0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _2051408)
   Exit: (191) [system] peek_char((0x563acd73bee0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x563acd73bee0), _2056978)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _2058836)
   Exit: (193) [system] peek_char((0x563acd73bee0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] get_char((0x563acd73bee0), _2074846)
   Exit: (192) [system] get_char((0x563acd73bee0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _2056978)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _2080416)
   Exit: (194) [system] peek_char((0x563acd73bee0), :)
   Call: (194) [system] (:)=(;)
   Fail: (194) [system] (:)=(;)
   Call: (194) [system] (:)=(/)
   Fail: (194) [system] (:)=(/)
^  Call: (194) [user] is_like_space(:)
   Call: (195) [system] char_type(:, 'white')
   Fail: (195) [system] char_type(:, 'white')
   Call: (195) [system] char_type(:, end_of_line)
   Fail: (195) [system] char_type(:, end_of_line)
   Call: (195) [system] char_type(:, space)
   Fail: (195) [system] char_type(:, space)
   Call: (195) [system] char_type(:, cntrl)
   Fail: (195) [system] char_type(:, cntrl)
^  Fail: (194) [user] is_like_space(:)
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _3578)
   Exit: (193) [system] peek_char((0x563acd73bee0), :)
   Call: (193) [system] (:)=')'
   Fail: (193) [system] (:)=')'
   Call: (193) [system] (:)=end_of_file
   Fail: (193) [system] (:)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x563acd73bee0), _8816)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _10674)
   Exit: (195) [system] peek_char((0x563acd73bee0), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
   Call: (195) [system] (:)=(/)
   Fail: (195) [system] (:)=(/)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] get_char((0x563acd73bee0), _26684)
   Exit: (194) [system] get_char((0x563acd73bee0), :)
   Call: (194) [system] (:)='('
   Fail: (194) [system] (:)='('
   Call: (194) [system] (:)='['
   Fail: (194) [system] (:)='['
   Call: (194) [system] (:)='{'
   Fail: (194) [system] (:)='{'
   Call: (194) [system] (:)='"'
   Fail: (194) [system] (:)='"'
   Call: (194) [system] (:)=!
   Fail: (194) [system] (:)=!
   Call: (194) [system] (:)='\''
   Fail: (194) [system] (:)='\''
   Call: (194) [system] (:)='`'
   Fail: (194) [system] (:)='`'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x563acd73bee0), :, _8816)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _44326)
   Call: (196) [system] peek_char((0x563acd73bee0), _45260)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _44326=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (195) [user] classify_and_convert_charseq([:], _8816)
^  Call: (196) [user] classify_and_convert_charseq_([:], _54544)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_55496, _55498), once(user:catch(read_from_chars([:], _54544), _55478, fail)), '$restore_trace'(_55496, _55498))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_55496, _55498))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _55478, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(:)
   Exit: (197) [system] atomic(:)
^  Exit: (196) [user] classify_and_convert_charseq_([:], :)
   Call: (196) [system] integer(:)
   Fail: (196) [system] integer(:)
   Call: (196) [system] _8816=(:)
   Exit: (196) [system] (:)=(:)
^  Exit: (195) [user] classify_and_convert_charseq([:], :)
^  Exit: (194) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (193) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _67624)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _69482)
   Exit: (195) [system] peek_char((0x563acd73bee0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x563acd73bee0), _79076)
   Exit: (195) [system] get_char((0x563acd73bee0), ' ')
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _81780)
   Exit: (196) [system] peek_char((0x563acd73bee0), a)
   Call: (196) [system] a=(;)
   Fail: (196) [system] a=(;)
   Call: (196) [system] a=(/)
   Fail: (196) [system] a=(/)
^  Call: (196) [user] is_like_space(a)
   Call: (197) [system] char_type(a, 'white')
   Fail: (197) [system] char_type(a, 'white')
   Call: (197) [system] char_type(a, end_of_line)
   Fail: (197) [system] char_type(a, end_of_line)
   Call: (197) [system] char_type(a, space)
   Fail: (197) [system] char_type(a, space)
   Call: (197) [system] char_type(a, cntrl)
   Fail: (197) [system] char_type(a, cntrl)
^  Fail: (196) [user] is_like_space(a)
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _98714)
   Exit: (194) [system] peek_char((0x563acd73bee0), a)
   Call: (194) [system] a=')'
   Fail: (194) [system] a=')'
   Call: (194) [system] a=end_of_file
   Fail: (194) [system] a=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x563acd73bee0), _104284)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _106142)
   Exit: (196) [system] peek_char((0x563acd73bee0), a)
   Call: (196) [system] a=(;)
   Fail: (196) [system] a=(;)
   Call: (196) [system] a=(/)
   Fail: (196) [system] a=(/)
^  Call: (196) [user] is_like_space(a)
   Call: (197) [system] char_type(a, 'white')
   Fail: (197) [system] char_type(a, 'white')
   Call: (197) [system] char_type(a, end_of_line)
   Fail: (197) [system] char_type(a, end_of_line)
   Call: (197) [system] char_type(a, space)
   Fail: (197) [system] char_type(a, space)
   Call: (197) [system] char_type(a, cntrl)
   Fail: (197) [system] char_type(a, cntrl)
^  Fail: (196) [user] is_like_space(a)
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] get_char((0x563acd73bee0), _122152)
   Exit: (195) [system] get_char((0x563acd73bee0), a)
   Call: (195) [system] a='('
   Fail: (195) [system] a='('
   Call: (195) [system] a='['
   Fail: (195) [system] a='['
   Call: (195) [system] a='{'
   Fail: (195) [system] a='{'
   Call: (195) [system] a='"'
   Fail: (195) [system] a='"'
   Call: (195) [system] a=!
   Fail: (195) [system] a=!
   Call: (195) [system] a='\''
   Fail: (195) [system] a='\''
   Call: (195) [system] a='`'
   Fail: (195) [system] a='`'
   Call: (195) [system] a=end_of_file
   Fail: (195) [system] a=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x563acd73bee0), a, _104284)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _139794)
   Call: (197) [system] peek_char((0x563acd73bee0), _140728)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _139794=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (196) [user] classify_and_convert_charseq([a], _104284)
^  Call: (197) [user] classify_and_convert_charseq_([a], _150012)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_150964, _150966), once(user:catch(read_from_chars([a], _150012), _150946, fail)), '$restore_trace'(_150964, _150966))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_150964, _150966))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _150946, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(a)
   Exit: (198) [system] atomic(a)
^  Exit: (197) [user] classify_and_convert_charseq_([a], a)
   Call: (197) [system] integer(a)
   Fail: (197) [system] integer(a)
   Call: (197) [system] _104284=a
   Exit: (197) [system] a=a
^  Exit: (196) [user] classify_and_convert_charseq([a], a)
^  Exit: (195) [user] read_symbolic(')', (0x563acd73bee0), a, a)
^  Exit: (194) [user] cont_sexpr(')', (0x563acd73bee0), a)
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _163092)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _164950)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x563acd73bee0), _174544)
   Exit: (196) [system] get_char((0x563acd73bee0), ' ')
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _177248)
   Exit: (197) [system] peek_char((0x563acd73bee0), 'A')
   Call: (197) [system] 'A'=(;)
   Fail: (197) [system] 'A'=(;)
   Call: (197) [system] 'A'=(/)
   Fail: (197) [system] 'A'=(/)
^  Call: (197) [user] is_like_space('A')
   Call: (198) [system] char_type('A', 'white')
   Fail: (198) [system] char_type('A', 'white')
   Call: (198) [system] char_type('A', end_of_line)
   Fail: (198) [system] char_type('A', end_of_line)
   Call: (198) [system] char_type('A', space)
   Fail: (198) [system] char_type('A', space)
   Call: (198) [system] char_type('A', cntrl)
   Fail: (198) [system] char_type('A', cntrl)
^  Fail: (197) [user] is_like_space('A')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _194182)
   Exit: (195) [system] peek_char((0x563acd73bee0), 'A')
   Call: (195) [system] 'A'=')'
   Fail: (195) [system] 'A'=')'
   Call: (195) [system] 'A'=end_of_file
   Fail: (195) [system] 'A'=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x563acd73bee0), _199752)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _201610)
   Exit: (197) [system] peek_char((0x563acd73bee0), 'A')
   Call: (197) [system] 'A'=(;)
   Fail: (197) [system] 'A'=(;)
   Call: (197) [system] 'A'=(/)
   Fail: (197) [system] 'A'=(/)
^  Call: (197) [user] is_like_space('A')
   Call: (198) [system] char_type('A', 'white')
   Fail: (198) [system] char_type('A', 'white')
   Call: (198) [system] char_type('A', end_of_line)
   Fail: (198) [system] char_type('A', end_of_line)
   Call: (198) [system] char_type('A', space)
   Fail: (198) [system] char_type('A', space)
   Call: (198) [system] char_type('A', cntrl)
   Fail: (198) [system] char_type('A', cntrl)
^  Fail: (197) [user] is_like_space('A')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] get_char((0x563acd73bee0), _217620)
   Exit: (196) [system] get_char((0x563acd73bee0), 'A')
   Call: (196) [system] 'A'='('
   Fail: (196) [system] 'A'='('
   Call: (196) [system] 'A'='['
   Fail: (196) [system] 'A'='['
   Call: (196) [system] 'A'='{'
   Fail: (196) [system] 'A'='{'
   Call: (196) [system] 'A'='"'
   Fail: (196) [system] 'A'='"'
   Call: (196) [system] 'A'=!
   Fail: (196) [system] 'A'=!
   Call: (196) [system] 'A'='\''
   Fail: (196) [system] 'A'='\''
   Call: (196) [system] 'A'='`'
   Fail: (196) [system] 'A'='`'
   Call: (196) [system] 'A'=end_of_file
   Fail: (196) [system] 'A'=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x563acd73bee0), 'A', _199752)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _235262)
   Call: (198) [system] peek_char((0x563acd73bee0), _236196)
   Exit: (198) [system] peek_char((0x563acd73bee0), ')')
^  Call: (198) [user] is_delimiter(')')
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] arg(_240916, v('(', ')', end_of_file), ')')
   Exit: (199) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (198) [user] is_delimiter(')')
   Call: (198) [system] _235262=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (197) [user] classify_and_convert_charseq(['A'], _199752)
^  Call: (198) [user] classify_and_convert_charseq_(['A'], _247352)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_248304, _248306), once(user:catch(read_from_chars(['A'], _247352), _248286, fail)), '$restore_trace'(_248304, _248306))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_248304, _248306))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _247352), _248286, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(_247352)
   Fail: (199) [system] atomic(_247352)
   Call: (199) [system] atom_chars(_247352, ['A'])
   Exit: (199) [system] atom_chars('A', ['A'])
^  Exit: (198) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (198) [system] integer('A')
   Fail: (198) [system] integer('A')
   Call: (198) [system] _199752='A'
   Exit: (198) [system] 'A'='A'
^  Exit: (197) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (196) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (195) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _262302)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _264160)
   Exit: (197) [system] peek_char((0x563acd73bee0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _280170)
   Exit: (196) [system] peek_char((0x563acd73bee0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x563acd73bee0), _283960)
   Exit: (196) [system] get_char((0x563acd73bee0), ')')
   Call: (196) [system] _262302=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), [])
   Call: (195) [system] _163092=['A']
   Exit: (195) [system] ['A']=['A']
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), ['A'])
   Call: (194) [system] _67624=[a, 'A']
   Exit: (194) [system] [a, 'A']=[a, 'A']
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), [a, 'A'])
   Call: (193) [system] _3572=[:, a, 'A']
   Exit: (193) [system] [:, a, 'A']=[:, a, 'A']
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), [:, a, 'A'])
^  Exit: (191) [user] cont_sexpr(')', (0x563acd73bee0), [:, a, 'A'])
^  Call: (191) [user] read_list(')', (0x563acd73bee0), _297842)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _299700)
   Exit: (193) [system] peek_char((0x563acd73bee0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x563acd73bee0), _309294)
   Exit: (193) [system] get_char((0x563acd73bee0), ' ')
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _311998)
   Exit: (194) [system] peek_char((0x563acd73bee0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _328932)
   Exit: (192) [system] peek_char((0x563acd73bee0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x563acd73bee0), _334502)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _336360)
   Exit: (194) [system] peek_char((0x563acd73bee0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] get_char((0x563acd73bee0), _352370)
   Exit: (193) [system] get_char((0x563acd73bee0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _334502)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _357940)
   Exit: (195) [system] peek_char((0x563acd73bee0), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
   Call: (195) [system] (:)=(/)
   Fail: (195) [system] (:)=(/)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _373950)
   Exit: (194) [system] peek_char((0x563acd73bee0), :)
   Call: (194) [system] (:)=')'
   Fail: (194) [system] (:)=')'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x563acd73bee0), _379520)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _381378)
   Exit: (196) [system] peek_char((0x563acd73bee0), :)
   Call: (196) [system] (:)=(;)
   Fail: (196) [system] (:)=(;)
   Call: (196) [system] (:)=(/)
   Fail: (196) [system] (:)=(/)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Fail: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Fail: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Fail: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
   Fail: (197) [system] char_type(:, cntrl)
^  Fail: (196) [user] is_like_space(:)
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] get_char((0x563acd73bee0), _397388)
   Exit: (195) [system] get_char((0x563acd73bee0), :)
   Call: (195) [system] (:)='('
   Fail: (195) [system] (:)='('
   Call: (195) [system] (:)='['
   Fail: (195) [system] (:)='['
   Call: (195) [system] (:)='{'
   Fail: (195) [system] (:)='{'
   Call: (195) [system] (:)='"'
   Fail: (195) [system] (:)='"'
   Call: (195) [system] (:)=!
   Fail: (195) [system] (:)=!
   Call: (195) [system] (:)='\''
   Fail: (195) [system] (:)='\''
   Call: (195) [system] (:)='`'
   Fail: (195) [system] (:)='`'
   Call: (195) [system] (:)=end_of_file
   Fail: (195) [system] (:)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x563acd73bee0), :, _379520)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _415030)
   Call: (197) [system] peek_char((0x563acd73bee0), _415964)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _415030=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (196) [user] classify_and_convert_charseq([:], _379520)
^  Call: (197) [user] classify_and_convert_charseq_([:], _425248)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_426200, _426202), once(user:catch(read_from_chars([:], _425248), _426182, fail)), '$restore_trace'(_426200, _426202))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_426200, _426202))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _426182, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(:)
   Exit: (198) [system] atomic(:)
^  Exit: (197) [user] classify_and_convert_charseq_([:], :)
   Call: (197) [system] integer(:)
   Fail: (197) [system] integer(:)
   Call: (197) [system] _379520=(:)
   Exit: (197) [system] (:)=(:)
^  Exit: (196) [user] classify_and_convert_charseq([:], :)
^  Exit: (195) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (194) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _438328)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _440186)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x563acd73bee0), _449780)
   Exit: (196) [system] get_char((0x563acd73bee0), ' ')
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _452484)
   Exit: (197) [system] peek_char((0x563acd73bee0), a)
   Call: (197) [system] a=(;)
   Fail: (197) [system] a=(;)
   Call: (197) [system] a=(/)
   Fail: (197) [system] a=(/)
^  Call: (197) [user] is_like_space(a)
   Call: (198) [system] char_type(a, 'white')
   Fail: (198) [system] char_type(a, 'white')
   Call: (198) [system] char_type(a, end_of_line)
   Fail: (198) [system] char_type(a, end_of_line)
   Call: (198) [system] char_type(a, space)
   Fail: (198) [system] char_type(a, space)
   Call: (198) [system] char_type(a, cntrl)
   Fail: (198) [system] char_type(a, cntrl)
^  Fail: (197) [user] is_like_space(a)
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _469418)
   Exit: (195) [system] peek_char((0x563acd73bee0), a)
   Call: (195) [system] a=')'
   Fail: (195) [system] a=')'
   Call: (195) [system] a=end_of_file
   Fail: (195) [system] a=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x563acd73bee0), _474988)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _476846)
   Exit: (197) [system] peek_char((0x563acd73bee0), a)
   Call: (197) [system] a=(;)
   Fail: (197) [system] a=(;)
   Call: (197) [system] a=(/)
   Fail: (197) [system] a=(/)
^  Call: (197) [user] is_like_space(a)
   Call: (198) [system] char_type(a, 'white')
   Fail: (198) [system] char_type(a, 'white')
   Call: (198) [system] char_type(a, end_of_line)
   Fail: (198) [system] char_type(a, end_of_line)
   Call: (198) [system] char_type(a, space)
   Fail: (198) [system] char_type(a, space)
   Call: (198) [system] char_type(a, cntrl)
   Fail: (198) [system] char_type(a, cntrl)
^  Fail: (197) [user] is_like_space(a)
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] get_char((0x563acd73bee0), _492856)
   Exit: (196) [system] get_char((0x563acd73bee0), a)
   Call: (196) [system] a='('
   Fail: (196) [system] a='('
   Call: (196) [system] a='['
   Fail: (196) [system] a='['
   Call: (196) [system] a='{'
   Fail: (196) [system] a='{'
   Call: (196) [system] a='"'
   Fail: (196) [system] a='"'
   Call: (196) [system] a=!
   Fail: (196) [system] a=!
   Call: (196) [system] a='\''
   Fail: (196) [system] a='\''
   Call: (196) [system] a='`'
   Fail: (196) [system] a='`'
   Call: (196) [system] a=end_of_file
   Fail: (196) [system] a=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x563acd73bee0), a, _474988)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _510498)
   Call: (198) [system] peek_char((0x563acd73bee0), _511432)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _510498=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (197) [user] classify_and_convert_charseq([a], _474988)
^  Call: (198) [user] classify_and_convert_charseq_([a], _520716)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_521668, _521670), once(user:catch(read_from_chars([a], _520716), _521650, fail)), '$restore_trace'(_521668, _521670))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_521668, _521670))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _521650, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(a)
   Exit: (199) [system] atomic(a)
^  Exit: (198) [user] classify_and_convert_charseq_([a], a)
   Call: (198) [system] integer(a)
   Fail: (198) [system] integer(a)
   Call: (198) [system] _474988=a
   Exit: (198) [system] a=a
^  Exit: (197) [user] classify_and_convert_charseq([a], a)
^  Exit: (196) [user] read_symbolic(')', (0x563acd73bee0), a, a)
^  Exit: (195) [user] cont_sexpr(')', (0x563acd73bee0), a)
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _533796)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _535654)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x563acd73bee0), _545248)
   Exit: (197) [system] get_char((0x563acd73bee0), ' ')
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _547952)
   Exit: (198) [system] peek_char((0x563acd73bee0), 'B')
   Call: (198) [system] 'B'=(;)
   Fail: (198) [system] 'B'=(;)
   Call: (198) [system] 'B'=(/)
   Fail: (198) [system] 'B'=(/)
^  Call: (198) [user] is_like_space('B')
   Call: (199) [system] char_type('B', 'white')
   Fail: (199) [system] char_type('B', 'white')
   Call: (199) [system] char_type('B', end_of_line)
   Fail: (199) [system] char_type('B', end_of_line)
   Call: (199) [system] char_type('B', space)
   Fail: (199) [system] char_type('B', space)
   Call: (199) [system] char_type('B', cntrl)
   Fail: (199) [system] char_type('B', cntrl)
^  Fail: (198) [user] is_like_space('B')
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _564886)
   Exit: (196) [system] peek_char((0x563acd73bee0), 'B')
   Call: (196) [system] 'B'=')'
   Fail: (196) [system] 'B'=')'
   Call: (196) [system] 'B'=end_of_file
   Fail: (196) [system] 'B'=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x563acd73bee0), _570456)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _572314)
   Exit: (198) [system] peek_char((0x563acd73bee0), 'B')
   Call: (198) [system] 'B'=(;)
   Fail: (198) [system] 'B'=(;)
   Call: (198) [system] 'B'=(/)
   Fail: (198) [system] 'B'=(/)
^  Call: (198) [user] is_like_space('B')
   Call: (199) [system] char_type('B', 'white')
   Fail: (199) [system] char_type('B', 'white')
   Call: (199) [system] char_type('B', end_of_line)
   Fail: (199) [system] char_type('B', end_of_line)
   Call: (199) [system] char_type('B', space)
   Fail: (199) [system] char_type('B', space)
   Call: (199) [system] char_type('B', cntrl)
   Fail: (199) [system] char_type('B', cntrl)
^  Fail: (198) [user] is_like_space('B')
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] get_char((0x563acd73bee0), _588324)
   Exit: (197) [system] get_char((0x563acd73bee0), 'B')
   Call: (197) [system] 'B'='('
   Fail: (197) [system] 'B'='('
   Call: (197) [system] 'B'='['
   Fail: (197) [system] 'B'='['
   Call: (197) [system] 'B'='{'
   Fail: (197) [system] 'B'='{'
   Call: (197) [system] 'B'='"'
   Fail: (197) [system] 'B'='"'
   Call: (197) [system] 'B'=!
   Fail: (197) [system] 'B'=!
   Call: (197) [system] 'B'='\''
   Fail: (197) [system] 'B'='\''
   Call: (197) [system] 'B'='`'
   Fail: (197) [system] 'B'='`'
   Call: (197) [system] 'B'=end_of_file
   Fail: (197) [system] 'B'=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x563acd73bee0), 'B', _570456)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _605966)
   Call: (199) [system] peek_char((0x563acd73bee0), _606900)
   Exit: (199) [system] peek_char((0x563acd73bee0), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_611620, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _605966=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (198) [user] classify_and_convert_charseq(['B'], _570456)
^  Call: (199) [user] classify_and_convert_charseq_(['B'], _618056)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_619008, _619010), once(user:catch(read_from_chars(['B'], _618056), _618990, fail)), '$restore_trace'(_619008, _619010))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_619008, _619010))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _618056), _618990, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(_618056)
   Fail: (200) [system] atomic(_618056)
   Call: (200) [system] atom_chars(_618056, ['B'])
   Exit: (200) [system] atom_chars('B', ['B'])
^  Exit: (199) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (199) [system] integer('B')
   Fail: (199) [system] integer('B')
   Call: (199) [system] _570456='B'
   Exit: (199) [system] 'B'='B'
^  Exit: (198) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (197) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (196) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (196) [user] read_list(')', (0x563acd73bee0), _633006)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _634864)
   Exit: (198) [system] peek_char((0x563acd73bee0), ')')
   Call: (198) [system] ')'=(;)
   Fail: (198) [system] ')'=(;)
   Call: (198) [system] ')'=(/)
   Fail: (198) [system] ')'=(/)
^  Call: (198) [user] is_like_space(')')
   Call: (199) [system] char_type(')', 'white')
   Fail: (199) [system] char_type(')', 'white')
   Call: (199) [system] char_type(')', end_of_line)
   Fail: (199) [system] char_type(')', end_of_line)
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] char_type(')', cntrl)
   Fail: (199) [system] char_type(')', cntrl)
^  Fail: (198) [user] is_like_space(')')
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _650874)
   Exit: (197) [system] peek_char((0x563acd73bee0), ')')
   Call: (197) [system] ')'=')'
   Exit: (197) [system] ')'=')'
   Call: (197) [system] get_char((0x563acd73bee0), _654664)
   Exit: (197) [system] get_char((0x563acd73bee0), ')')
   Call: (197) [system] _633006=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_list(')', (0x563acd73bee0), [])
   Call: (196) [system] _533796=['B']
   Exit: (196) [system] ['B']=['B']
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), ['B'])
   Call: (195) [system] _438328=[a, 'B']
   Exit: (195) [system] [a, 'B']=[a, 'B']
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), [a, 'B'])
   Call: (194) [system] _334502=[:, a, 'B']
   Exit: (194) [system] [:, a, 'B']=[:, a, 'B']
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), [:, a, 'B'])
^  Exit: (192) [user] cont_sexpr(')', (0x563acd73bee0), [:, a, 'B'])
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _668546)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _670404)
   Exit: (194) [system] peek_char((0x563acd73bee0), '\n')
   Call: (194) [system] '\n'=(;)
   Fail: (194) [system] '\n'=(;)
   Call: (194) [system] '\n'=(/)
   Fail: (194) [system] '\n'=(/)
^  Call: (194) [user] is_like_space('\n')
   Call: (195) [system] char_type('\n', 'white')
   Fail: (195) [system] char_type('\n', 'white')
   Call: (195) [system] char_type('\n', end_of_line)
   Exit: (195) [system] char_type('\n', end_of_line)
^  Exit: (194) [user] is_like_space('\n')
   Call: (194) [system] get_char((0x563acd73bee0), _681854)
   Exit: (194) [system] get_char((0x563acd73bee0), '\n')
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _684558)
   Exit: (195) [system] peek_char((0x563acd73bee0), '\t')
   Call: (195) [system] '\t'=(;)
   Fail: (195) [system] '\t'=(;)
   Call: (195) [system] '\t'=(/)
   Fail: (195) [system] '\t'=(/)
^  Call: (195) [user] is_like_space('\t')
   Call: (196) [system] char_type('\t', 'white')
   Exit: (196) [system] char_type('\t', 'white')
^  Exit: (195) [user] is_like_space('\t')
   Call: (195) [system] get_char((0x563acd73bee0), _694152)
   Exit: (195) [system] get_char((0x563acd73bee0), '\t')
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _696856)
   Exit: (196) [system] peek_char((0x563acd73bee0), '\t')
   Call: (196) [system] '\t'=(;)
   Fail: (196) [system] '\t'=(;)
   Call: (196) [system] '\t'=(/)
   Fail: (196) [system] '\t'=(/)
^  Call: (196) [user] is_like_space('\t')
   Call: (197) [system] char_type('\t', 'white')
   Exit: (197) [system] char_type('\t', 'white')
^  Exit: (196) [user] is_like_space('\t')
   Call: (196) [system] get_char((0x563acd73bee0), _706450)
   Exit: (196) [system] get_char((0x563acd73bee0), '\t')
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _709154)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x563acd73bee0), _718748)
   Exit: (197) [system] get_char((0x563acd73bee0), ' ')
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _721452)
   Exit: (198) [system] peek_char((0x563acd73bee0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _741158)
   Exit: (193) [system] peek_char((0x563acd73bee0), '(')
   Call: (193) [system] '('=')'
   Fail: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
   Fail: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x563acd73bee0), _746728)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _748586)
   Exit: (195) [system] peek_char((0x563acd73bee0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] get_char((0x563acd73bee0), _764596)
   Exit: (194) [system] get_char((0x563acd73bee0), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _746728)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _770166)
   Exit: (196) [system] peek_char((0x563acd73bee0), :)
   Call: (196) [system] (:)=(;)
   Fail: (196) [system] (:)=(;)
   Call: (196) [system] (:)=(/)
   Fail: (196) [system] (:)=(/)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Fail: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Fail: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Fail: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
   Fail: (197) [system] char_type(:, cntrl)
^  Fail: (196) [user] is_like_space(:)
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _786176)
   Exit: (195) [system] peek_char((0x563acd73bee0), :)
   Call: (195) [system] (:)=')'
   Fail: (195) [system] (:)=')'
   Call: (195) [system] (:)=end_of_file
   Fail: (195) [system] (:)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x563acd73bee0), _791746)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _793604)
   Exit: (197) [system] peek_char((0x563acd73bee0), :)
   Call: (197) [system] (:)=(;)
   Fail: (197) [system] (:)=(;)
   Call: (197) [system] (:)=(/)
   Fail: (197) [system] (:)=(/)
^  Call: (197) [user] is_like_space(:)
   Call: (198) [system] char_type(:, 'white')
   Fail: (198) [system] char_type(:, 'white')
   Call: (198) [system] char_type(:, end_of_line)
   Fail: (198) [system] char_type(:, end_of_line)
   Call: (198) [system] char_type(:, space)
   Fail: (198) [system] char_type(:, space)
   Call: (198) [system] char_type(:, cntrl)
   Fail: (198) [system] char_type(:, cntrl)
^  Fail: (197) [user] is_like_space(:)
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] get_char((0x563acd73bee0), _809614)
   Exit: (196) [system] get_char((0x563acd73bee0), :)
   Call: (196) [system] (:)='('
   Fail: (196) [system] (:)='('
   Call: (196) [system] (:)='['
   Fail: (196) [system] (:)='['
   Call: (196) [system] (:)='{'
   Fail: (196) [system] (:)='{'
   Call: (196) [system] (:)='"'
   Fail: (196) [system] (:)='"'
   Call: (196) [system] (:)=!
   Fail: (196) [system] (:)=!
   Call: (196) [system] (:)='\''
   Fail: (196) [system] (:)='\''
   Call: (196) [system] (:)='`'
   Fail: (196) [system] (:)='`'
   Call: (196) [system] (:)=end_of_file
   Fail: (196) [system] (:)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x563acd73bee0), :, _791746)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _827256)
   Call: (198) [system] peek_char((0x563acd73bee0), _828190)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _827256=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (197) [user] classify_and_convert_charseq([:], _791746)
^  Call: (198) [user] classify_and_convert_charseq_([:], _837474)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_838426, _838428), once(user:catch(read_from_chars([:], _837474), _838408, fail)), '$restore_trace'(_838426, _838428))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_838426, _838428))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _838408, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(:)
   Exit: (199) [system] atomic(:)
^  Exit: (198) [user] classify_and_convert_charseq_([:], :)
   Call: (198) [system] integer(:)
   Fail: (198) [system] integer(:)
   Call: (198) [system] _791746=(:)
   Exit: (198) [system] (:)=(:)
^  Exit: (197) [user] classify_and_convert_charseq([:], :)
^  Exit: (196) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (195) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _850554)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _852412)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x563acd73bee0), _862006)
   Exit: (197) [system] get_char((0x563acd73bee0), ' ')
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _864710)
   Exit: (198) [system] peek_char((0x563acd73bee0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _881644)
   Exit: (196) [system] peek_char((0x563acd73bee0), '(')
   Call: (196) [system] '('=')'
   Fail: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
   Fail: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x563acd73bee0), _887214)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _889072)
   Exit: (198) [system] peek_char((0x563acd73bee0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] get_char((0x563acd73bee0), _905082)
   Exit: (197) [system] get_char((0x563acd73bee0), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _887214)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _910652)
   Exit: (199) [system] peek_char((0x563acd73bee0), 'C')
   Call: (199) [system] 'C'=(;)
   Fail: (199) [system] 'C'=(;)
   Call: (199) [system] 'C'=(/)
   Fail: (199) [system] 'C'=(/)
^  Call: (199) [user] is_like_space('C')
   Call: (200) [system] char_type('C', 'white')
   Fail: (200) [system] char_type('C', 'white')
   Call: (200) [system] char_type('C', end_of_line)
   Fail: (200) [system] char_type('C', end_of_line)
   Call: (200) [system] char_type('C', space)
   Fail: (200) [system] char_type('C', space)
   Call: (200) [system] char_type('C', cntrl)
   Fail: (200) [system] char_type('C', cntrl)
^  Fail: (199) [user] is_like_space('C')
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _926662)
   Exit: (198) [system] peek_char((0x563acd73bee0), 'C')
   Call: (198) [system] 'C'=')'
   Fail: (198) [system] 'C'=')'
   Call: (198) [system] 'C'=end_of_file
   Fail: (198) [system] 'C'=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x563acd73bee0), _932232)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _934090)
   Exit: (200) [system] peek_char((0x563acd73bee0), 'C')
   Call: (200) [system] 'C'=(;)
   Fail: (200) [system] 'C'=(;)
   Call: (200) [system] 'C'=(/)
   Fail: (200) [system] 'C'=(/)
^  Call: (200) [user] is_like_space('C')
   Call: (201) [system] char_type('C', 'white')
   Fail: (201) [system] char_type('C', 'white')
   Call: (201) [system] char_type('C', end_of_line)
   Fail: (201) [system] char_type('C', end_of_line)
   Call: (201) [system] char_type('C', space)
   Fail: (201) [system] char_type('C', space)
   Call: (201) [system] char_type('C', cntrl)
   Fail: (201) [system] char_type('C', cntrl)
^  Fail: (200) [user] is_like_space('C')
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] get_char((0x563acd73bee0), _950100)
   Exit: (199) [system] get_char((0x563acd73bee0), 'C')
   Call: (199) [system] 'C'='('
   Fail: (199) [system] 'C'='('
   Call: (199) [system] 'C'='['
   Fail: (199) [system] 'C'='['
   Call: (199) [system] 'C'='{'
   Fail: (199) [system] 'C'='{'
   Call: (199) [system] 'C'='"'
   Fail: (199) [system] 'C'='"'
   Call: (199) [system] 'C'=!
   Fail: (199) [system] 'C'=!
   Call: (199) [system] 'C'='\''
   Fail: (199) [system] 'C'='\''
   Call: (199) [system] 'C'='`'
   Fail: (199) [system] 'C'='`'
   Call: (199) [system] 'C'=end_of_file
   Fail: (199) [system] 'C'=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x563acd73bee0), 'C', _932232)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _967742)
   Call: (201) [system] peek_char((0x563acd73bee0), _968676)
   Exit: (201) [system] peek_char((0x563acd73bee0), o)
^  Call: (201) [user] is_delimiter(o)
   Call: (202) [system] char_type(o, space)
   Fail: (202) [system] char_type(o, space)
   Call: (202) [system] arg(_973396, v('(', ')', end_of_file), o)
   Fail: (202) [system] arg(_974328, v('(', ')', end_of_file), o)
^  Fail: (201) [user] is_delimiter(o)
   Call: (201) [system] ')'==o
   Fail: (201) [system] ')'==o
   Call: (201) [system] get_char((0x563acd73bee0), o)
   Exit: (201) [system] get_char((0x563acd73bee0), o)
   Call: (201) [system] o=(\)
   Fail: (201) [system] o=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _981678)
   Call: (202) [system] peek_char((0x563acd73bee0), _982612)
   Exit: (202) [system] peek_char((0x563acd73bee0), n)
^  Call: (202) [user] is_delimiter(n)
   Call: (203) [system] char_type(n, space)
   Fail: (203) [system] char_type(n, space)
   Call: (203) [system] arg(_987332, v('(', ')', end_of_file), n)
   Fail: (203) [system] arg(_988264, v('(', ')', end_of_file), n)
^  Fail: (202) [user] is_delimiter(n)
   Call: (202) [system] ')'==n
   Fail: (202) [system] ')'==n
   Call: (202) [system] get_char((0x563acd73bee0), n)
   Exit: (202) [system] get_char((0x563acd73bee0), n)
   Call: (202) [system] n=(\)
   Fail: (202) [system] n=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _995614)
   Call: (203) [system] peek_char((0x563acd73bee0), _996548)
   Exit: (203) [system] peek_char((0x563acd73bee0), j)
^  Call: (203) [user] is_delimiter(j)
   Call: (204) [system] char_type(j, space)
   Fail: (204) [system] char_type(j, space)
   Call: (204) [system] arg(_1001268, v('(', ')', end_of_file), j)
   Fail: (204) [system] arg(_1002200, v('(', ')', end_of_file), j)
^  Fail: (203) [user] is_delimiter(j)
   Call: (203) [system] ')'==j
   Fail: (203) [system] ')'==j
   Call: (203) [system] get_char((0x563acd73bee0), j)
   Exit: (203) [system] get_char((0x563acd73bee0), j)
   Call: (203) [system] j=(\)
   Fail: (203) [system] j=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1009550)
   Call: (204) [system] peek_char((0x563acd73bee0), _1010484)
   Exit: (204) [system] peek_char((0x563acd73bee0), u)
^  Call: (204) [user] is_delimiter(u)
   Call: (205) [system] char_type(u, space)
   Fail: (205) [system] char_type(u, space)
   Call: (205) [system] arg(_1015204, v('(', ')', end_of_file), u)
   Fail: (205) [system] arg(_1016136, v('(', ')', end_of_file), u)
^  Fail: (204) [user] is_delimiter(u)
   Call: (204) [system] ')'==u
   Fail: (204) [system] ')'==u
   Call: (204) [system] get_char((0x563acd73bee0), u)
   Exit: (204) [system] get_char((0x563acd73bee0), u)
   Call: (204) [system] u=(\)
   Fail: (204) [system] u=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1023486)
   Call: (205) [system] peek_char((0x563acd73bee0), _1024420)
   Exit: (205) [system] peek_char((0x563acd73bee0), n)
^  Call: (205) [user] is_delimiter(n)
   Call: (206) [system] char_type(n, space)
   Fail: (206) [system] char_type(n, space)
   Call: (206) [system] arg(_1029140, v('(', ')', end_of_file), n)
   Fail: (206) [system] arg(_1030072, v('(', ')', end_of_file), n)
^  Fail: (205) [user] is_delimiter(n)
   Call: (205) [system] ')'==n
   Fail: (205) [system] ')'==n
   Call: (205) [system] get_char((0x563acd73bee0), n)
   Exit: (205) [system] get_char((0x563acd73bee0), n)
   Call: (205) [system] n=(\)
   Fail: (205) [system] n=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1037422)
   Call: (206) [system] peek_char((0x563acd73bee0), _1038356)
   Exit: (206) [system] peek_char((0x563acd73bee0), c)
^  Call: (206) [user] is_delimiter(c)
   Call: (207) [system] char_type(c, space)
   Fail: (207) [system] char_type(c, space)
   Call: (207) [system] arg(_1043076, v('(', ')', end_of_file), c)
   Fail: (207) [system] arg(_1044008, v('(', ')', end_of_file), c)
^  Fail: (206) [user] is_delimiter(c)
   Call: (206) [system] ')'==c
   Fail: (206) [system] ')'==c
   Call: (206) [system] get_char((0x563acd73bee0), c)
   Exit: (206) [system] get_char((0x563acd73bee0), c)
   Call: (206) [system] c=(\)
   Fail: (206) [system] c=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1051358)
   Call: (207) [system] peek_char((0x563acd73bee0), _1052292)
   Exit: (207) [system] peek_char((0x563acd73bee0), t)
^  Call: (207) [user] is_delimiter(t)
   Call: (208) [system] char_type(t, space)
   Fail: (208) [system] char_type(t, space)
   Call: (208) [system] arg(_1057012, v('(', ')', end_of_file), t)
   Fail: (208) [system] arg(_1057944, v('(', ')', end_of_file), t)
^  Fail: (207) [user] is_delimiter(t)
   Call: (207) [system] ')'==t
   Fail: (207) [system] ')'==t
   Call: (207) [system] get_char((0x563acd73bee0), t)
   Exit: (207) [system] get_char((0x563acd73bee0), t)
   Call: (207) [system] t=(\)
   Fail: (207) [system] t=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1065294)
   Call: (208) [system] peek_char((0x563acd73bee0), _1066228)
   Exit: (208) [system] peek_char((0x563acd73bee0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_1070948, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_1071880, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x563acd73bee0), i)
   Exit: (208) [system] get_char((0x563acd73bee0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1079230)
   Call: (209) [system] peek_char((0x563acd73bee0), _1080164)
   Exit: (209) [system] peek_char((0x563acd73bee0), o)
^  Call: (209) [user] is_delimiter(o)
   Call: (210) [system] char_type(o, space)
   Fail: (210) [system] char_type(o, space)
   Call: (210) [system] arg(_1084884, v('(', ')', end_of_file), o)
   Fail: (210) [system] arg(_1085816, v('(', ')', end_of_file), o)
^  Fail: (209) [user] is_delimiter(o)
   Call: (209) [system] ')'==o
   Fail: (209) [system] ')'==o
   Call: (209) [system] get_char((0x563acd73bee0), o)
   Exit: (209) [system] get_char((0x563acd73bee0), o)
   Call: (209) [system] o=(\)
   Fail: (209) [system] o=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1093166)
   Call: (210) [system] peek_char((0x563acd73bee0), _1094100)
   Exit: (210) [system] peek_char((0x563acd73bee0), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Fail: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_1098820, v('(', ')', end_of_file), n)
   Fail: (211) [system] arg(_1099752, v('(', ')', end_of_file), n)
^  Fail: (210) [user] is_delimiter(n)
   Call: (210) [system] ')'==n
   Fail: (210) [system] ')'==n
   Call: (210) [system] get_char((0x563acd73bee0), n)
   Exit: (210) [system] get_char((0x563acd73bee0), n)
   Call: (210) [system] n=(\)
   Fail: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1107102)
   Call: (211) [system] peek_char((0x563acd73bee0), _1108036)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'I')
^  Call: (211) [user] is_delimiter('I')
   Call: (212) [system] char_type('I', space)
   Fail: (212) [system] char_type('I', space)
   Call: (212) [system] arg(_1112756, v('(', ')', end_of_file), 'I')
   Fail: (212) [system] arg(_1113688, v('(', ')', end_of_file), 'I')
^  Fail: (211) [user] is_delimiter('I')
   Call: (211) [system] ')'=='I'
   Fail: (211) [system] ')'=='I'
   Call: (211) [system] get_char((0x563acd73bee0), 'I')
   Exit: (211) [system] get_char((0x563acd73bee0), 'I')
   Call: (211) [system] 'I'=(\)
   Fail: (211) [system] 'I'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1121038)
   Call: (212) [system] peek_char((0x563acd73bee0), _1121972)
   Exit: (212) [system] peek_char((0x563acd73bee0), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Fail: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_1126692, v('(', ')', end_of_file), n)
   Fail: (213) [system] arg(_1127624, v('(', ')', end_of_file), n)
^  Fail: (212) [user] is_delimiter(n)
   Call: (212) [system] ')'==n
   Fail: (212) [system] ')'==n
   Call: (212) [system] get_char((0x563acd73bee0), n)
   Exit: (212) [system] get_char((0x563acd73bee0), n)
   Call: (212) [system] n=(\)
   Fail: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _1134974)
   Call: (213) [system] peek_char((0x563acd73bee0), _1135908)
   Exit: (213) [system] peek_char((0x563acd73bee0), t)
^  Call: (213) [user] is_delimiter(t)
   Call: (214) [system] char_type(t, space)
   Fail: (214) [system] char_type(t, space)
   Call: (214) [system] arg(_1140628, v('(', ')', end_of_file), t)
   Fail: (214) [system] arg(_1141560, v('(', ')', end_of_file), t)
^  Fail: (213) [user] is_delimiter(t)
   Call: (213) [system] ')'==t
   Fail: (213) [system] ')'==t
   Call: (213) [system] get_char((0x563acd73bee0), t)
   Exit: (213) [system] get_char((0x563acd73bee0), t)
   Call: (213) [system] t=(\)
   Fail: (213) [system] t=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _1148910)
   Call: (214) [system] peek_char((0x563acd73bee0), _1149844)
   Exit: (214) [system] peek_char((0x563acd73bee0), r)
^  Call: (214) [user] is_delimiter(r)
   Call: (215) [system] char_type(r, space)
   Fail: (215) [system] char_type(r, space)
   Call: (215) [system] arg(_1154564, v('(', ')', end_of_file), r)
   Fail: (215) [system] arg(_1155496, v('(', ')', end_of_file), r)
^  Fail: (214) [user] is_delimiter(r)
   Call: (214) [system] ')'==r
   Fail: (214) [system] ')'==r
   Call: (214) [system] get_char((0x563acd73bee0), r)
   Exit: (214) [system] get_char((0x563acd73bee0), r)
   Call: (214) [system] r=(\)
   Fail: (214) [system] r=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _1162846)
   Call: (215) [system] peek_char((0x563acd73bee0), _1163780)
   Exit: (215) [system] peek_char((0x563acd73bee0), o)
^  Call: (215) [user] is_delimiter(o)
   Call: (216) [system] char_type(o, space)
   Fail: (216) [system] char_type(o, space)
   Call: (216) [system] arg(_1168500, v('(', ')', end_of_file), o)
   Fail: (216) [system] arg(_1169432, v('(', ')', end_of_file), o)
^  Fail: (215) [user] is_delimiter(o)
   Call: (215) [system] ')'==o
   Fail: (215) [system] ')'==o
   Call: (215) [system] get_char((0x563acd73bee0), o)
   Exit: (215) [system] get_char((0x563acd73bee0), o)
   Call: (215) [system] o=(\)
   Fail: (215) [system] o=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _1176782)
   Call: (216) [system] peek_char((0x563acd73bee0), _1177716)
   Exit: (216) [system] peek_char((0x563acd73bee0), d)
^  Call: (216) [user] is_delimiter(d)
   Call: (217) [system] char_type(d, space)
   Fail: (217) [system] char_type(d, space)
   Call: (217) [system] arg(_1182436, v('(', ')', end_of_file), d)
   Fail: (217) [system] arg(_1183368, v('(', ')', end_of_file), d)
^  Fail: (216) [user] is_delimiter(d)
   Call: (216) [system] ')'==d
   Fail: (216) [system] ')'==d
   Call: (216) [system] get_char((0x563acd73bee0), d)
   Exit: (216) [system] get_char((0x563acd73bee0), d)
   Call: (216) [system] d=(\)
   Fail: (216) [system] d=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _1190718)
   Call: (217) [system] peek_char((0x563acd73bee0), _1191652)
   Exit: (217) [system] peek_char((0x563acd73bee0), u)
^  Call: (217) [user] is_delimiter(u)
   Call: (218) [system] char_type(u, space)
   Fail: (218) [system] char_type(u, space)
   Call: (218) [system] arg(_1196372, v('(', ')', end_of_file), u)
   Fail: (218) [system] arg(_1197304, v('(', ')', end_of_file), u)
^  Fail: (217) [user] is_delimiter(u)
   Call: (217) [system] ')'==u
   Fail: (217) [system] ')'==u
   Call: (217) [system] get_char((0x563acd73bee0), u)
   Exit: (217) [system] get_char((0x563acd73bee0), u)
   Call: (217) [system] u=(\)
   Fail: (217) [system] u=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _1204654)
   Call: (218) [system] peek_char((0x563acd73bee0), _1205588)
   Exit: (218) [system] peek_char((0x563acd73bee0), c)
^  Call: (218) [user] is_delimiter(c)
   Call: (219) [system] char_type(c, space)
   Fail: (219) [system] char_type(c, space)
   Call: (219) [system] arg(_1210308, v('(', ')', end_of_file), c)
   Fail: (219) [system] arg(_1211240, v('(', ')', end_of_file), c)
^  Fail: (218) [user] is_delimiter(c)
   Call: (218) [system] ')'==c
   Fail: (218) [system] ')'==c
   Call: (218) [system] get_char((0x563acd73bee0), c)
   Exit: (218) [system] get_char((0x563acd73bee0), c)
   Call: (218) [system] c=(\)
   Fail: (218) [system] c=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _1218590)
   Call: (219) [system] peek_char((0x563acd73bee0), _1219524)
   Exit: (219) [system] peek_char((0x563acd73bee0), t)
^  Call: (219) [user] is_delimiter(t)
   Call: (220) [system] char_type(t, space)
   Fail: (220) [system] char_type(t, space)
   Call: (220) [system] arg(_1224244, v('(', ')', end_of_file), t)
   Fail: (220) [system] arg(_1225176, v('(', ')', end_of_file), t)
^  Fail: (219) [user] is_delimiter(t)
   Call: (219) [system] ')'==t
   Fail: (219) [system] ')'==t
   Call: (219) [system] get_char((0x563acd73bee0), t)
   Exit: (219) [system] get_char((0x563acd73bee0), t)
   Call: (219) [system] t=(\)
   Fail: (219) [system] t=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _1232526)
   Call: (220) [system] peek_char((0x563acd73bee0), _1233460)
   Exit: (220) [system] peek_char((0x563acd73bee0), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_1238180, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_1239112, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x563acd73bee0), i)
   Exit: (220) [system] get_char((0x563acd73bee0), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _1246462)
   Call: (221) [system] peek_char((0x563acd73bee0), _1247396)
   Exit: (221) [system] peek_char((0x563acd73bee0), o)
^  Call: (221) [user] is_delimiter(o)
   Call: (222) [system] char_type(o, space)
   Fail: (222) [system] char_type(o, space)
   Call: (222) [system] arg(_1252116, v('(', ')', end_of_file), o)
   Fail: (222) [system] arg(_1253048, v('(', ')', end_of_file), o)
^  Fail: (221) [user] is_delimiter(o)
   Call: (221) [system] ')'==o
   Fail: (221) [system] ')'==o
   Call: (221) [system] get_char((0x563acd73bee0), o)
   Exit: (221) [system] get_char((0x563acd73bee0), o)
   Call: (221) [system] o=(\)
   Fail: (221) [system] o=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _1260398)
   Call: (222) [system] peek_char((0x563acd73bee0), _1261332)
   Exit: (222) [system] peek_char((0x563acd73bee0), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_1266052, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_1266984, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x563acd73bee0), n)
   Exit: (222) [system] get_char((0x563acd73bee0), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _1274334)
   Call: (223) [system] peek_char((0x563acd73bee0), _1275268)
   Exit: (223) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _1274334=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (222) [system] _1260398=[n]
   Exit: (222) [system] [n]=[n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (221) [system] _1246462=[o, n]
   Exit: (221) [system] [o, n]=[o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (220) [system] _1232526=[i, o, n]
   Exit: (220) [system] [i, o, n]=[i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (219) [system] _1218590=[t, i, o, n]
   Exit: (219) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (218) [system] _1204654=[c, t, i, o, n]
   Exit: (218) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n])
   Call: (217) [system] _1190718=[u, c, t, i, o, n]
   Exit: (217) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, i, o, n])
   Call: (216) [system] _1176782=[d, u, c, t, i, o, n]
   Exit: (216) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, u, c, t, i, o, n])
   Call: (215) [system] _1162846=[o, d, u, c, t, i, o, n]
   Exit: (215) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, d, u, c, t, i, o, n])
   Call: (214) [system] _1148910=[r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1134974=[t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _1121038=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _1107102=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _1093166=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _1079230=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _1065294=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (207) [system] _1051358=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (207) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (206) [system] _1037422=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (206) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (205) [system] _1023486=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (205) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (204) [system] _1009550=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (204) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (203) [system] _995614=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (203) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (202) [system] _981678=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (202) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (201) [system] _967742=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (201) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (200) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _932232)
^  Call: (201) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1346020)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_1346972, _1346974), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1346020), _1346954, fail)), '$restore_trace'(_1346972, _1346974))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_1346972, _1346974))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1346020), _1346954, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(_1346020)
   Fail: (202) [system] atomic(_1346020)
   Call: (202) [system] atom_chars(_1346020, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (202) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (201) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
   Call: (201) [system] integer('ConjunctionIntroduction')
   Fail: (201) [system] integer('ConjunctionIntroduction')
   Call: (201) [system] _932232='ConjunctionIntroduction'
   Exit: (201) [system] 'ConjunctionIntroduction'='ConjunctionIntroduction'
^  Exit: (200) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (199) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'ConjunctionIntroduction')
^  Exit: (198) [user] cont_sexpr(')', (0x563acd73bee0), 'ConjunctionIntroduction')
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _1360970)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1362828)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x563acd73bee0), _1372422)
   Exit: (200) [system] get_char((0x563acd73bee0), ' ')
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1375126)
   Exit: (201) [system] peek_char((0x563acd73bee0), a)
   Call: (201) [system] a=(;)
   Fail: (201) [system] a=(;)
   Call: (201) [system] a=(/)
   Fail: (201) [system] a=(/)
^  Call: (201) [user] is_like_space(a)
   Call: (202) [system] char_type(a, 'white')
   Fail: (202) [system] char_type(a, 'white')
   Call: (202) [system] char_type(a, end_of_line)
   Fail: (202) [system] char_type(a, end_of_line)
   Call: (202) [system] char_type(a, space)
   Fail: (202) [system] char_type(a, space)
   Call: (202) [system] char_type(a, cntrl)
   Fail: (202) [system] char_type(a, cntrl)
^  Fail: (201) [user] is_like_space(a)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1392060)
   Exit: (199) [system] peek_char((0x563acd73bee0), a)
   Call: (199) [system] a=')'
   Fail: (199) [system] a=')'
   Call: (199) [system] a=end_of_file
   Fail: (199) [system] a=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x563acd73bee0), _1397630)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1399488)
   Exit: (201) [system] peek_char((0x563acd73bee0), a)
   Call: (201) [system] a=(;)
   Fail: (201) [system] a=(;)
   Call: (201) [system] a=(/)
   Fail: (201) [system] a=(/)
^  Call: (201) [user] is_like_space(a)
   Call: (202) [system] char_type(a, 'white')
   Fail: (202) [system] char_type(a, 'white')
   Call: (202) [system] char_type(a, end_of_line)
   Fail: (202) [system] char_type(a, end_of_line)
   Call: (202) [system] char_type(a, space)
   Fail: (202) [system] char_type(a, space)
   Call: (202) [system] char_type(a, cntrl)
   Fail: (202) [system] char_type(a, cntrl)
^  Fail: (201) [user] is_like_space(a)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] get_char((0x563acd73bee0), _1415498)
   Exit: (200) [system] get_char((0x563acd73bee0), a)
   Call: (200) [system] a='('
   Fail: (200) [system] a='('
   Call: (200) [system] a='['
   Fail: (200) [system] a='['
   Call: (200) [system] a='{'
   Fail: (200) [system] a='{'
   Call: (200) [system] a='"'
   Fail: (200) [system] a='"'
   Call: (200) [system] a=!
   Fail: (200) [system] a=!
   Call: (200) [system] a='\''
   Fail: (200) [system] a='\''
   Call: (200) [system] a='`'
   Fail: (200) [system] a='`'
   Call: (200) [system] a=end_of_file
   Fail: (200) [system] a=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x563acd73bee0), a, _1397630)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _1433140)
   Call: (202) [system] peek_char((0x563acd73bee0), _1434074)
   Exit: (202) [system] peek_char((0x563acd73bee0), b)
^  Call: (202) [user] is_delimiter(b)
   Call: (203) [system] char_type(b, space)
   Fail: (203) [system] char_type(b, space)
   Call: (203) [system] arg(_1438794, v('(', ')', end_of_file), b)
   Fail: (203) [system] arg(_1439726, v('(', ')', end_of_file), b)
^  Fail: (202) [user] is_delimiter(b)
   Call: (202) [system] ')'==b
   Fail: (202) [system] ')'==b
   Call: (202) [system] get_char((0x563acd73bee0), b)
   Exit: (202) [system] get_char((0x563acd73bee0), b)
   Call: (202) [system] b=(\)
   Fail: (202) [system] b=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1447076)
   Call: (203) [system] peek_char((0x563acd73bee0), _1448010)
   Exit: (203) [system] peek_char((0x563acd73bee0), c)
^  Call: (203) [user] is_delimiter(c)
   Call: (204) [system] char_type(c, space)
   Fail: (204) [system] char_type(c, space)
   Call: (204) [system] arg(_1452730, v('(', ')', end_of_file), c)
   Fail: (204) [system] arg(_1453662, v('(', ')', end_of_file), c)
^  Fail: (203) [user] is_delimiter(c)
   Call: (203) [system] ')'==c
   Fail: (203) [system] ')'==c
   Call: (203) [system] get_char((0x563acd73bee0), c)
   Exit: (203) [system] get_char((0x563acd73bee0), c)
   Call: (203) [system] c=(\)
   Fail: (203) [system] c=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1461012)
   Call: (204) [system] peek_char((0x563acd73bee0), _1461946)
   Exit: (204) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _1461012=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (203) [system] _1447076=[c]
   Exit: (203) [system] [c]=[c]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [c])
   Call: (202) [system] _1433140=[b, c]
   Exit: (202) [system] [b, c]=[b, c]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [b, c])
^  Call: (201) [user] classify_and_convert_charseq([a, b, c], _1397630)
^  Call: (202) [user] classify_and_convert_charseq_([a, b, c], _1476818)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_1477770, _1477772), once(user:catch(read_from_chars([a, b, c], _1476818), _1477752, fail)), '$restore_trace'(_1477770, _1477772))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_1477770, _1477772))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1477752, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(abc)
   Exit: (203) [system] atomic(abc)
^  Exit: (202) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (202) [system] integer(abc)
   Fail: (202) [system] integer(abc)
   Call: (202) [system] _1397630=abc
   Exit: (202) [system] abc=abc
^  Exit: (201) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (200) [user] read_symbolic(')', (0x563acd73bee0), a, abc)
^  Exit: (199) [user] cont_sexpr(')', (0x563acd73bee0), abc)
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _1489898)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1491756)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _1501350)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1504054)
   Exit: (202) [system] peek_char((0x563acd73bee0), a)
   Call: (202) [system] a=(;)
   Fail: (202) [system] a=(;)
   Call: (202) [system] a=(/)
   Fail: (202) [system] a=(/)
^  Call: (202) [user] is_like_space(a)
   Call: (203) [system] char_type(a, 'white')
   Fail: (203) [system] char_type(a, 'white')
   Call: (203) [system] char_type(a, end_of_line)
   Fail: (203) [system] char_type(a, end_of_line)
   Call: (203) [system] char_type(a, space)
   Fail: (203) [system] char_type(a, space)
   Call: (203) [system] char_type(a, cntrl)
   Fail: (203) [system] char_type(a, cntrl)
^  Fail: (202) [user] is_like_space(a)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1520988)
   Exit: (200) [system] peek_char((0x563acd73bee0), a)
   Call: (200) [system] a=')'
   Fail: (200) [system] a=')'
   Call: (200) [system] a=end_of_file
   Fail: (200) [system] a=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x563acd73bee0), _1526558)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1528416)
   Exit: (202) [system] peek_char((0x563acd73bee0), a)
   Call: (202) [system] a=(;)
   Fail: (202) [system] a=(;)
   Call: (202) [system] a=(/)
   Fail: (202) [system] a=(/)
^  Call: (202) [user] is_like_space(a)
   Call: (203) [system] char_type(a, 'white')
   Fail: (203) [system] char_type(a, 'white')
   Call: (203) [system] char_type(a, end_of_line)
   Fail: (203) [system] char_type(a, end_of_line)
   Call: (203) [system] char_type(a, space)
   Fail: (203) [system] char_type(a, space)
   Call: (203) [system] char_type(a, cntrl)
   Fail: (203) [system] char_type(a, cntrl)
^  Fail: (202) [user] is_like_space(a)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] get_char((0x563acd73bee0), _1544426)
   Exit: (201) [system] get_char((0x563acd73bee0), a)
   Call: (201) [system] a='('
   Fail: (201) [system] a='('
   Call: (201) [system] a='['
   Fail: (201) [system] a='['
   Call: (201) [system] a='{'
   Fail: (201) [system] a='{'
   Call: (201) [system] a='"'
   Fail: (201) [system] a='"'
   Call: (201) [system] a=!
   Fail: (201) [system] a=!
   Call: (201) [system] a='\''
   Fail: (201) [system] a='\''
   Call: (201) [system] a='`'
   Fail: (201) [system] a='`'
   Call: (201) [system] a=end_of_file
   Fail: (201) [system] a=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x563acd73bee0), a, _1526558)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1562068)
   Call: (203) [system] peek_char((0x563acd73bee0), _1563002)
   Exit: (203) [system] peek_char((0x563acd73bee0), b)
^  Call: (203) [user] is_delimiter(b)
   Call: (204) [system] char_type(b, space)
   Fail: (204) [system] char_type(b, space)
   Call: (204) [system] arg(_1567722, v('(', ')', end_of_file), b)
   Fail: (204) [system] arg(_1568654, v('(', ')', end_of_file), b)
^  Fail: (203) [user] is_delimiter(b)
   Call: (203) [system] ')'==b
   Fail: (203) [system] ')'==b
   Call: (203) [system] get_char((0x563acd73bee0), b)
   Exit: (203) [system] get_char((0x563acd73bee0), b)
   Call: (203) [system] b=(\)
   Fail: (203) [system] b=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1576004)
   Call: (204) [system] peek_char((0x563acd73bee0), _1576938)
   Exit: (204) [system] peek_char((0x563acd73bee0), c)
^  Call: (204) [user] is_delimiter(c)
   Call: (205) [system] char_type(c, space)
   Fail: (205) [system] char_type(c, space)
   Call: (205) [system] arg(_1581658, v('(', ')', end_of_file), c)
   Fail: (205) [system] arg(_1582590, v('(', ')', end_of_file), c)
^  Fail: (204) [user] is_delimiter(c)
   Call: (204) [system] ')'==c
   Fail: (204) [system] ')'==c
   Call: (204) [system] get_char((0x563acd73bee0), c)
   Exit: (204) [system] get_char((0x563acd73bee0), c)
   Call: (204) [system] c=(\)
   Fail: (204) [system] c=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1589940)
   Call: (205) [system] peek_char((0x563acd73bee0), _1590874)
   Exit: (205) [system] peek_char((0x563acd73bee0), ')')
^  Call: (205) [user] is_delimiter(')')
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] arg(_1595594, v('(', ')', end_of_file), ')')
   Exit: (206) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (205) [user] is_delimiter(')')
   Call: (205) [system] _1589940=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (204) [system] _1576004=[c]
   Exit: (204) [system] [c]=[c]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [c])
   Call: (203) [system] _1562068=[b, c]
   Exit: (203) [system] [b, c]=[b, c]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [b, c])
^  Call: (202) [user] classify_and_convert_charseq([a, b, c], _1526558)
^  Call: (203) [user] classify_and_convert_charseq_([a, b, c], _1607618)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_1608570, _1608572), once(user:catch(read_from_chars([a, b, c], _1607618), _1608552, fail)), '$restore_trace'(_1608570, _1608572))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_1608570, _1608572))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1608552, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(abc)
   Exit: (204) [system] atomic(abc)
^  Exit: (203) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (203) [system] integer(abc)
   Fail: (203) [system] integer(abc)
   Call: (203) [system] _1526558=abc
   Exit: (203) [system] abc=abc
^  Exit: (202) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (201) [user] read_symbolic(')', (0x563acd73bee0), a, abc)
^  Exit: (200) [user] cont_sexpr(')', (0x563acd73bee0), abc)
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _1620698)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1622556)
   Exit: (202) [system] peek_char((0x563acd73bee0), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
   Call: (202) [system] ')'=(/)
   Fail: (202) [system] ')'=(/)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1638566)
   Exit: (201) [system] peek_char((0x563acd73bee0), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x563acd73bee0), _1642356)
   Exit: (201) [system] get_char((0x563acd73bee0), ')')
   Call: (201) [system] _1620698=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), [])
   Call: (200) [system] _1489898=[abc]
   Exit: (200) [system] [abc]=[abc]
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), [abc])
   Call: (199) [system] _1360970=[abc, abc]
   Exit: (199) [system] [abc, abc]=[abc, abc]
^  Exit: (198) [user] read_list(')', (0x563acd73bee0), [abc, abc])
   Call: (198) [system] _887214=['ConjunctionIntroduction', abc, abc]
   Exit: (198) [system] ['ConjunctionIntroduction', abc, abc]=['ConjunctionIntroduction', abc, abc]
^  Exit: (197) [user] read_list(')', (0x563acd73bee0), ['ConjunctionIntroduction', abc, abc])
^  Exit: (196) [user] cont_sexpr(')', (0x563acd73bee0), ['ConjunctionIntroduction', abc, abc])
^  Call: (196) [user] read_list(')', (0x563acd73bee0), _1656238)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1658096)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x563acd73bee0), _1667690)
   Exit: (198) [system] get_char((0x563acd73bee0), ' ')
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1670394)
   Exit: (199) [system] peek_char((0x563acd73bee0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1687328)
   Exit: (197) [system] peek_char((0x563acd73bee0), '(')
   Call: (197) [system] '('=')'
   Fail: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
   Fail: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x563acd73bee0), _1692898)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1694756)
   Exit: (199) [system] peek_char((0x563acd73bee0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] get_char((0x563acd73bee0), _1710766)
   Exit: (198) [system] get_char((0x563acd73bee0), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _1692898)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1716336)
   Exit: (200) [system] peek_char((0x563acd73bee0), 'A')
   Call: (200) [system] 'A'=(;)
   Fail: (200) [system] 'A'=(;)
   Call: (200) [system] 'A'=(/)
   Fail: (200) [system] 'A'=(/)
^  Call: (200) [user] is_like_space('A')
   Call: (201) [system] char_type('A', 'white')
   Fail: (201) [system] char_type('A', 'white')
   Call: (201) [system] char_type('A', end_of_line)
   Fail: (201) [system] char_type('A', end_of_line)
   Call: (201) [system] char_type('A', space)
   Fail: (201) [system] char_type('A', space)
   Call: (201) [system] char_type('A', cntrl)
   Fail: (201) [system] char_type('A', cntrl)
^  Fail: (200) [user] is_like_space('A')
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1732346)
   Exit: (199) [system] peek_char((0x563acd73bee0), 'A')
   Call: (199) [system] 'A'=')'
   Fail: (199) [system] 'A'=')'
   Call: (199) [system] 'A'=end_of_file
   Fail: (199) [system] 'A'=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x563acd73bee0), _1737916)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1739774)
   Exit: (201) [system] peek_char((0x563acd73bee0), 'A')
   Call: (201) [system] 'A'=(;)
   Fail: (201) [system] 'A'=(;)
   Call: (201) [system] 'A'=(/)
   Fail: (201) [system] 'A'=(/)
^  Call: (201) [user] is_like_space('A')
   Call: (202) [system] char_type('A', 'white')
   Fail: (202) [system] char_type('A', 'white')
   Call: (202) [system] char_type('A', end_of_line)
   Fail: (202) [system] char_type('A', end_of_line)
   Call: (202) [system] char_type('A', space)
   Fail: (202) [system] char_type('A', space)
   Call: (202) [system] char_type('A', cntrl)
   Fail: (202) [system] char_type('A', cntrl)
^  Fail: (201) [user] is_like_space('A')
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] get_char((0x563acd73bee0), _1755784)
   Exit: (200) [system] get_char((0x563acd73bee0), 'A')
   Call: (200) [system] 'A'='('
   Fail: (200) [system] 'A'='('
   Call: (200) [system] 'A'='['
   Fail: (200) [system] 'A'='['
   Call: (200) [system] 'A'='{'
   Fail: (200) [system] 'A'='{'
   Call: (200) [system] 'A'='"'
   Fail: (200) [system] 'A'='"'
   Call: (200) [system] 'A'=!
   Fail: (200) [system] 'A'=!
   Call: (200) [system] 'A'='\''
   Fail: (200) [system] 'A'='\''
   Call: (200) [system] 'A'='`'
   Fail: (200) [system] 'A'='`'
   Call: (200) [system] 'A'=end_of_file
   Fail: (200) [system] 'A'=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x563acd73bee0), 'A', _1737916)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _1773426)
   Call: (202) [system] peek_char((0x563acd73bee0), _1774360)
   Exit: (202) [system] peek_char((0x563acd73bee0), n)
^  Call: (202) [user] is_delimiter(n)
   Call: (203) [system] char_type(n, space)
   Fail: (203) [system] char_type(n, space)
   Call: (203) [system] arg(_1779080, v('(', ')', end_of_file), n)
   Fail: (203) [system] arg(_1780012, v('(', ')', end_of_file), n)
^  Fail: (202) [user] is_delimiter(n)
   Call: (202) [system] ')'==n
   Fail: (202) [system] ')'==n
   Call: (202) [system] get_char((0x563acd73bee0), n)
   Exit: (202) [system] get_char((0x563acd73bee0), n)
   Call: (202) [system] n=(\)
   Fail: (202) [system] n=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1787362)
   Call: (203) [system] peek_char((0x563acd73bee0), _1788296)
   Exit: (203) [system] peek_char((0x563acd73bee0), d)
^  Call: (203) [user] is_delimiter(d)
   Call: (204) [system] char_type(d, space)
   Fail: (204) [system] char_type(d, space)
   Call: (204) [system] arg(_1793016, v('(', ')', end_of_file), d)
   Fail: (204) [system] arg(_1793948, v('(', ')', end_of_file), d)
^  Fail: (203) [user] is_delimiter(d)
   Call: (203) [system] ')'==d
   Fail: (203) [system] ')'==d
   Call: (203) [system] get_char((0x563acd73bee0), d)
   Exit: (203) [system] get_char((0x563acd73bee0), d)
   Call: (203) [system] d=(\)
   Fail: (203) [system] d=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1801298)
   Call: (204) [system] peek_char((0x563acd73bee0), _1802232)
   Exit: (204) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (204) [user] is_delimiter('L')
   Call: (205) [system] char_type('L', space)
   Fail: (205) [system] char_type('L', space)
   Call: (205) [system] arg(_1806952, v('(', ')', end_of_file), 'L')
   Fail: (205) [system] arg(_1807884, v('(', ')', end_of_file), 'L')
^  Fail: (204) [user] is_delimiter('L')
   Call: (204) [system] ')'=='L'
   Fail: (204) [system] ')'=='L'
   Call: (204) [system] get_char((0x563acd73bee0), 'L')
   Exit: (204) [system] get_char((0x563acd73bee0), 'L')
   Call: (204) [system] 'L'=(\)
   Fail: (204) [system] 'L'=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1815234)
   Call: (205) [system] peek_char((0x563acd73bee0), _1816168)
   Exit: (205) [system] peek_char((0x563acd73bee0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_1820888, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_1821820, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x563acd73bee0), i)
   Exit: (205) [system] get_char((0x563acd73bee0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1829170)
   Call: (206) [system] peek_char((0x563acd73bee0), _1830104)
   Exit: (206) [system] peek_char((0x563acd73bee0), n)
^  Call: (206) [user] is_delimiter(n)
   Call: (207) [system] char_type(n, space)
   Fail: (207) [system] char_type(n, space)
   Call: (207) [system] arg(_1834824, v('(', ')', end_of_file), n)
   Fail: (207) [system] arg(_1835756, v('(', ')', end_of_file), n)
^  Fail: (206) [user] is_delimiter(n)
   Call: (206) [system] ')'==n
   Fail: (206) [system] ')'==n
   Call: (206) [system] get_char((0x563acd73bee0), n)
   Exit: (206) [system] get_char((0x563acd73bee0), n)
   Call: (206) [system] n=(\)
   Fail: (206) [system] n=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1843106)
   Call: (207) [system] peek_char((0x563acd73bee0), _1844040)
   Exit: (207) [system] peek_char((0x563acd73bee0), k)
^  Call: (207) [user] is_delimiter(k)
   Call: (208) [system] char_type(k, space)
   Fail: (208) [system] char_type(k, space)
   Call: (208) [system] arg(_1848760, v('(', ')', end_of_file), k)
   Fail: (208) [system] arg(_1849692, v('(', ')', end_of_file), k)
^  Fail: (207) [user] is_delimiter(k)
   Call: (207) [system] ')'==k
   Fail: (207) [system] ')'==k
   Call: (207) [system] get_char((0x563acd73bee0), k)
   Exit: (207) [system] get_char((0x563acd73bee0), k)
   Call: (207) [system] k=(\)
   Fail: (207) [system] k=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1857042)
   Call: (208) [system] peek_char((0x563acd73bee0), _1857976)
   Exit: (208) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _1857042=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (207) [system] _1843106=[k]
   Exit: (207) [system] [k]=[k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (206) [system] _1829170=[n, k]
   Exit: (206) [system] [n, k]=[n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (205) [system] _1815234=[i, n, k]
   Exit: (205) [system] [i, n, k]=[i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (204) [system] _1801298=['L', i, n, k]
   Exit: (204) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (203) [system] _1787362=[d, 'L', i, n, k]
   Exit: (203) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, 'L', i, n, k])
   Call: (202) [system] _1773426=[n, d, 'L', i, n, k]
   Exit: (202) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, d, 'L', i, n, k])
^  Call: (201) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1737916)
^  Call: (202) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1884024)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_1884976, _1884978), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1884024), _1884958, fail)), '$restore_trace'(_1884976, _1884978))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_1884976, _1884978))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1884024), _1884958, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(_1884024)
   Fail: (203) [system] atomic(_1884024)
   Call: (203) [system] atom_chars(_1884024, ['A', n, d, 'L', i, n, k])
   Exit: (203) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (202) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (202) [system] integer('AndLink')
   Fail: (202) [system] integer('AndLink')
   Call: (202) [system] _1737916='AndLink'
   Exit: (202) [system] 'AndLink'='AndLink'
^  Exit: (201) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (200) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'AndLink')
^  Exit: (199) [user] cont_sexpr(')', (0x563acd73bee0), 'AndLink')
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _1898974)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1900832)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _1910426)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1913130)
   Exit: (202) [system] peek_char((0x563acd73bee0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1930064)
   Exit: (200) [system] peek_char((0x563acd73bee0), '(')
   Call: (200) [system] '('=')'
   Fail: (200) [system] '('=')'
   Call: (200) [system] '('=end_of_file
   Fail: (200) [system] '('=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x563acd73bee0), _1935634)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1937492)
   Exit: (202) [system] peek_char((0x563acd73bee0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] get_char((0x563acd73bee0), _1953502)
   Exit: (201) [system] get_char((0x563acd73bee0), '(')
   Call: (201) [system] '('='('
   Exit: (201) [system] '('='('
^  Call: (201) [user] read_list(')', (0x563acd73bee0), _1935634)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1959072)
   Exit: (203) [system] peek_char((0x563acd73bee0), 'I')
   Call: (203) [system] 'I'=(;)
   Fail: (203) [system] 'I'=(;)
   Call: (203) [system] 'I'=(/)
   Fail: (203) [system] 'I'=(/)
^  Call: (203) [user] is_like_space('I')
   Call: (204) [system] char_type('I', 'white')
   Fail: (204) [system] char_type('I', 'white')
   Call: (204) [system] char_type('I', end_of_line)
   Fail: (204) [system] char_type('I', end_of_line)
   Call: (204) [system] char_type('I', space)
   Fail: (204) [system] char_type('I', space)
   Call: (204) [system] char_type('I', cntrl)
   Fail: (204) [system] char_type('I', cntrl)
^  Fail: (203) [user] is_like_space('I')
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1975082)
   Exit: (202) [system] peek_char((0x563acd73bee0), 'I')
   Call: (202) [system] 'I'=')'
   Fail: (202) [system] 'I'=')'
   Call: (202) [system] 'I'=end_of_file
   Fail: (202) [system] 'I'=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x563acd73bee0), _1980652)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1982510)
   Exit: (204) [system] peek_char((0x563acd73bee0), 'I')
   Call: (204) [system] 'I'=(;)
   Fail: (204) [system] 'I'=(;)
   Call: (204) [system] 'I'=(/)
   Fail: (204) [system] 'I'=(/)
^  Call: (204) [user] is_like_space('I')
   Call: (205) [system] char_type('I', 'white')
   Fail: (205) [system] char_type('I', 'white')
   Call: (205) [system] char_type('I', end_of_line)
   Fail: (205) [system] char_type('I', end_of_line)
   Call: (205) [system] char_type('I', space)
   Fail: (205) [system] char_type('I', space)
   Call: (205) [system] char_type('I', cntrl)
   Fail: (205) [system] char_type('I', cntrl)
^  Fail: (204) [user] is_like_space('I')
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] get_char((0x563acd73bee0), _1998520)
   Exit: (203) [system] get_char((0x563acd73bee0), 'I')
   Call: (203) [system] 'I'='('
   Fail: (203) [system] 'I'='('
   Call: (203) [system] 'I'='['
   Fail: (203) [system] 'I'='['
   Call: (203) [system] 'I'='{'
   Fail: (203) [system] 'I'='{'
   Call: (203) [system] 'I'='"'
   Fail: (203) [system] 'I'='"'
   Call: (203) [system] 'I'=!
   Fail: (203) [system] 'I'=!
   Call: (203) [system] 'I'='\''
   Fail: (203) [system] 'I'='\''
   Call: (203) [system] 'I'='`'
   Fail: (203) [system] 'I'='`'
   Call: (203) [system] 'I'=end_of_file
   Fail: (203) [system] 'I'=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x563acd73bee0), 'I', _1980652)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _2016162)
   Call: (205) [system] peek_char((0x563acd73bee0), _2017096)
   Exit: (205) [system] peek_char((0x563acd73bee0), m)
^  Call: (205) [user] is_delimiter(m)
   Call: (206) [system] char_type(m, space)
   Fail: (206) [system] char_type(m, space)
   Call: (206) [system] arg(_2021816, v('(', ')', end_of_file), m)
   Fail: (206) [system] arg(_2022748, v('(', ')', end_of_file), m)
^  Fail: (205) [user] is_delimiter(m)
   Call: (205) [system] ')'==m
   Fail: (205) [system] ')'==m
   Call: (205) [system] get_char((0x563acd73bee0), m)
   Exit: (205) [system] get_char((0x563acd73bee0), m)
   Call: (205) [system] m=(\)
   Fail: (205) [system] m=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _2030098)
   Call: (206) [system] peek_char((0x563acd73bee0), _2031032)
   Exit: (206) [system] peek_char((0x563acd73bee0), p)
^  Call: (206) [user] is_delimiter(p)
   Call: (207) [system] char_type(p, space)
   Fail: (207) [system] char_type(p, space)
   Call: (207) [system] arg(_2035752, v('(', ')', end_of_file), p)
   Fail: (207) [system] arg(_2036684, v('(', ')', end_of_file), p)
^  Fail: (206) [user] is_delimiter(p)
   Call: (206) [system] ')'==p
   Fail: (206) [system] ')'==p
   Call: (206) [system] get_char((0x563acd73bee0), p)
   Exit: (206) [system] get_char((0x563acd73bee0), p)
   Call: (206) [system] p=(\)
   Fail: (206) [system] p=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _2044034)
   Call: (207) [system] peek_char((0x563acd73bee0), _2044968)
   Exit: (207) [system] peek_char((0x563acd73bee0), l)
^  Call: (207) [user] is_delimiter(l)
   Call: (208) [system] char_type(l, space)
   Fail: (208) [system] char_type(l, space)
   Call: (208) [system] arg(_2049688, v('(', ')', end_of_file), l)
   Fail: (208) [system] arg(_2050620, v('(', ')', end_of_file), l)
^  Fail: (207) [user] is_delimiter(l)
   Call: (207) [system] ')'==l
   Fail: (207) [system] ')'==l
   Call: (207) [system] get_char((0x563acd73bee0), l)
   Exit: (207) [system] get_char((0x563acd73bee0), l)
   Call: (207) [system] l=(\)
   Fail: (207) [system] l=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _2057970)
   Call: (208) [system] peek_char((0x563acd73bee0), _2058904)
   Exit: (208) [system] peek_char((0x563acd73bee0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_2063624, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_2064556, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x563acd73bee0), i)
   Exit: (208) [system] get_char((0x563acd73bee0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _2071906)
   Call: (209) [system] peek_char((0x563acd73bee0), _2072840)
   Exit: (209) [system] peek_char((0x563acd73bee0), c)
^  Call: (209) [user] is_delimiter(c)
   Call: (210) [system] char_type(c, space)
   Fail: (210) [system] char_type(c, space)
   Call: (210) [system] arg(_2077560, v('(', ')', end_of_file), c)
   Fail: (210) [system] arg(_2078492, v('(', ')', end_of_file), c)
^  Fail: (209) [user] is_delimiter(c)
   Call: (209) [system] ')'==c
   Fail: (209) [system] ')'==c
   Call: (209) [system] get_char((0x563acd73bee0), c)
   Exit: (209) [system] get_char((0x563acd73bee0), c)
   Call: (209) [system] c=(\)
   Fail: (209) [system] c=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _2085842)
   Call: (210) [system] peek_char((0x563acd73bee0), _2086776)
   Exit: (210) [system] peek_char((0x563acd73bee0), a)
^  Call: (210) [user] is_delimiter(a)
   Call: (211) [system] char_type(a, space)
   Fail: (211) [system] char_type(a, space)
   Call: (211) [system] arg(_2091496, v('(', ')', end_of_file), a)
   Fail: (211) [system] arg(_2092428, v('(', ')', end_of_file), a)
^  Fail: (210) [user] is_delimiter(a)
   Call: (210) [system] ')'==a
   Fail: (210) [system] ')'==a
   Call: (210) [system] get_char((0x563acd73bee0), a)
   Exit: (210) [system] get_char((0x563acd73bee0), a)
   Call: (210) [system] a=(\)
   Fail: (210) [system] a=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _6458)
   Call: (211) [system] peek_char((0x563acd73bee0), _7392)
   Exit: (211) [system] peek_char((0x563acd73bee0), t)
^  Call: (211) [user] is_delimiter(t)
   Call: (212) [system] char_type(t, space)
   Fail: (212) [system] char_type(t, space)
   Call: (212) [system] arg(_12112, v('(', ')', end_of_file), t)
   Fail: (212) [system] arg(_13044, v('(', ')', end_of_file), t)
^  Fail: (211) [user] is_delimiter(t)
   Call: (211) [system] ')'==t
   Fail: (211) [system] ')'==t
   Call: (211) [system] get_char((0x563acd73bee0), t)
   Exit: (211) [system] get_char((0x563acd73bee0), t)
   Call: (211) [system] t=(\)
   Fail: (211) [system] t=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _20394)
   Call: (212) [system] peek_char((0x563acd73bee0), _21328)
   Exit: (212) [system] peek_char((0x563acd73bee0), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_26048, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_26980, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x563acd73bee0), i)
   Exit: (212) [system] get_char((0x563acd73bee0), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _34330)
   Call: (213) [system] peek_char((0x563acd73bee0), _35264)
   Exit: (213) [system] peek_char((0x563acd73bee0), o)
^  Call: (213) [user] is_delimiter(o)
   Call: (214) [system] char_type(o, space)
   Fail: (214) [system] char_type(o, space)
   Call: (214) [system] arg(_39984, v('(', ')', end_of_file), o)
   Fail: (214) [system] arg(_40916, v('(', ')', end_of_file), o)
^  Fail: (213) [user] is_delimiter(o)
   Call: (213) [system] ')'==o
   Fail: (213) [system] ')'==o
   Call: (213) [system] get_char((0x563acd73bee0), o)
   Exit: (213) [system] get_char((0x563acd73bee0), o)
   Call: (213) [system] o=(\)
   Fail: (213) [system] o=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _48266)
   Call: (214) [system] peek_char((0x563acd73bee0), _49200)
   Exit: (214) [system] peek_char((0x563acd73bee0), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_53920, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_54852, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x563acd73bee0), n)
   Exit: (214) [system] get_char((0x563acd73bee0), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _62202)
   Call: (215) [system] peek_char((0x563acd73bee0), _63136)
   Exit: (215) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _62202=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (214) [system] _48266=[n]
   Exit: (214) [system] [n]=[n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (213) [system] _34330=[o, n]
   Exit: (213) [system] [o, n]=[o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (212) [system] _20394=[i, o, n]
   Exit: (212) [system] [i, o, n]=[i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (211) [system] _6458=[t, i, o, n]
   Exit: (211) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (210) [system] _3698=[a, t, i, o, n]
   Exit: (210) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (209) [system] _3694=[c, a, t, i, o, n]
   Exit: (209) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (208) [system] _3690=[i, c, a, t, i, o, n]
   Exit: (208) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (207) [system] _3686=[l, i, c, a, t, i, o, n]
   Exit: (207) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (206) [system] _3682=[p, l, i, c, a, t, i, o, n]
   Exit: (206) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (205) [system] _3678=[m, p, l, i, c, a, t, i, o, n]
   Exit: (205) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (204) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _3674)
^  Call: (205) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _100360)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_101312, _101314), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _100360), _101294, fail)), '$restore_trace'(_101312, _101314))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_101312, _101314))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _100360), _101294, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(_100360)
   Fail: (206) [system] atomic(_100360)
   Call: (206) [system] atom_chars(_100360, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (206) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (205) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (205) [system] integer('Implication')
   Fail: (205) [system] integer('Implication')
   Call: (205) [system] _3674='Implication'
   Exit: (205) [system] 'Implication'='Implication'
^  Exit: (204) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (203) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (202) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (202) [user] read_list(')', (0x563acd73bee0), _115310)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _117168)
   Exit: (204) [system] peek_char((0x563acd73bee0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x563acd73bee0), _126762)
   Exit: (204) [system] get_char((0x563acd73bee0), ' ')
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _129466)
   Exit: (205) [system] peek_char((0x563acd73bee0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _146400)
   Exit: (203) [system] peek_char((0x563acd73bee0), '(')
   Call: (203) [system] '('=')'
   Fail: (203) [system] '('=')'
   Call: (203) [system] '('=end_of_file
   Fail: (203) [system] '('=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x563acd73bee0), _151970)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _153828)
   Exit: (205) [system] peek_char((0x563acd73bee0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] get_char((0x563acd73bee0), _169838)
   Exit: (204) [system] get_char((0x563acd73bee0), '(')
   Call: (204) [system] '('='('
   Exit: (204) [system] '('='('
^  Call: (204) [user] read_list(')', (0x563acd73bee0), _151970)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _175408)
   Exit: (206) [system] peek_char((0x563acd73bee0), 'A')
   Call: (206) [system] 'A'=(;)
   Fail: (206) [system] 'A'=(;)
   Call: (206) [system] 'A'=(/)
   Fail: (206) [system] 'A'=(/)
^  Call: (206) [user] is_like_space('A')
   Call: (207) [system] char_type('A', 'white')
   Fail: (207) [system] char_type('A', 'white')
   Call: (207) [system] char_type('A', end_of_line)
   Fail: (207) [system] char_type('A', end_of_line)
   Call: (207) [system] char_type('A', space)
   Fail: (207) [system] char_type('A', space)
   Call: (207) [system] char_type('A', cntrl)
   Fail: (207) [system] char_type('A', cntrl)
^  Fail: (206) [user] is_like_space('A')
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _191418)
   Exit: (205) [system] peek_char((0x563acd73bee0), 'A')
   Call: (205) [system] 'A'=')'
   Fail: (205) [system] 'A'=')'
   Call: (205) [system] 'A'=end_of_file
   Fail: (205) [system] 'A'=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x563acd73bee0), _196988)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _198846)
   Exit: (207) [system] peek_char((0x563acd73bee0), 'A')
   Call: (207) [system] 'A'=(;)
   Fail: (207) [system] 'A'=(;)
   Call: (207) [system] 'A'=(/)
   Fail: (207) [system] 'A'=(/)
^  Call: (207) [user] is_like_space('A')
   Call: (208) [system] char_type('A', 'white')
   Fail: (208) [system] char_type('A', 'white')
   Call: (208) [system] char_type('A', end_of_line)
   Fail: (208) [system] char_type('A', end_of_line)
   Call: (208) [system] char_type('A', space)
   Fail: (208) [system] char_type('A', space)
   Call: (208) [system] char_type('A', cntrl)
   Fail: (208) [system] char_type('A', cntrl)
^  Fail: (207) [user] is_like_space('A')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] get_char((0x563acd73bee0), _214856)
   Exit: (206) [system] get_char((0x563acd73bee0), 'A')
   Call: (206) [system] 'A'='('
   Fail: (206) [system] 'A'='('
   Call: (206) [system] 'A'='['
   Fail: (206) [system] 'A'='['
   Call: (206) [system] 'A'='{'
   Fail: (206) [system] 'A'='{'
   Call: (206) [system] 'A'='"'
   Fail: (206) [system] 'A'='"'
   Call: (206) [system] 'A'=!
   Fail: (206) [system] 'A'=!
   Call: (206) [system] 'A'='\''
   Fail: (206) [system] 'A'='\''
   Call: (206) [system] 'A'='`'
   Fail: (206) [system] 'A'='`'
   Call: (206) [system] 'A'=end_of_file
   Fail: (206) [system] 'A'=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x563acd73bee0), 'A', _196988)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _232498)
   Call: (208) [system] peek_char((0x563acd73bee0), _233432)
   Exit: (208) [system] peek_char((0x563acd73bee0), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Fail: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_238152, v('(', ')', end_of_file), n)
   Fail: (209) [system] arg(_239084, v('(', ')', end_of_file), n)
^  Fail: (208) [user] is_delimiter(n)
   Call: (208) [system] ')'==n
   Fail: (208) [system] ')'==n
   Call: (208) [system] get_char((0x563acd73bee0), n)
   Exit: (208) [system] get_char((0x563acd73bee0), n)
   Call: (208) [system] n=(\)
   Fail: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _246434)
   Call: (209) [system] peek_char((0x563acd73bee0), _247368)
   Exit: (209) [system] peek_char((0x563acd73bee0), d)
^  Call: (209) [user] is_delimiter(d)
   Call: (210) [system] char_type(d, space)
   Fail: (210) [system] char_type(d, space)
   Call: (210) [system] arg(_252088, v('(', ')', end_of_file), d)
   Fail: (210) [system] arg(_253020, v('(', ')', end_of_file), d)
^  Fail: (209) [user] is_delimiter(d)
   Call: (209) [system] ')'==d
   Fail: (209) [system] ')'==d
   Call: (209) [system] get_char((0x563acd73bee0), d)
   Exit: (209) [system] get_char((0x563acd73bee0), d)
   Call: (209) [system] d=(\)
   Fail: (209) [system] d=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _260370)
   Call: (210) [system] peek_char((0x563acd73bee0), _261304)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (210) [user] is_delimiter('L')
   Call: (211) [system] char_type('L', space)
   Fail: (211) [system] char_type('L', space)
   Call: (211) [system] arg(_266024, v('(', ')', end_of_file), 'L')
   Fail: (211) [system] arg(_266956, v('(', ')', end_of_file), 'L')
^  Fail: (210) [user] is_delimiter('L')
   Call: (210) [system] ')'=='L'
   Fail: (210) [system] ')'=='L'
   Call: (210) [system] get_char((0x563acd73bee0), 'L')
   Exit: (210) [system] get_char((0x563acd73bee0), 'L')
   Call: (210) [system] 'L'=(\)
   Fail: (210) [system] 'L'=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _274306)
   Call: (211) [system] peek_char((0x563acd73bee0), _275240)
   Exit: (211) [system] peek_char((0x563acd73bee0), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Fail: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_279960, v('(', ')', end_of_file), i)
   Fail: (212) [system] arg(_280892, v('(', ')', end_of_file), i)
^  Fail: (211) [user] is_delimiter(i)
   Call: (211) [system] ')'==i
   Fail: (211) [system] ')'==i
   Call: (211) [system] get_char((0x563acd73bee0), i)
   Exit: (211) [system] get_char((0x563acd73bee0), i)
   Call: (211) [system] i=(\)
   Fail: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _288242)
   Call: (212) [system] peek_char((0x563acd73bee0), _289176)
   Exit: (212) [system] peek_char((0x563acd73bee0), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Fail: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_293896, v('(', ')', end_of_file), n)
   Fail: (213) [system] arg(_294828, v('(', ')', end_of_file), n)
^  Fail: (212) [user] is_delimiter(n)
   Call: (212) [system] ')'==n
   Fail: (212) [system] ')'==n
   Call: (212) [system] get_char((0x563acd73bee0), n)
   Exit: (212) [system] get_char((0x563acd73bee0), n)
   Call: (212) [system] n=(\)
   Fail: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _302178)
   Call: (213) [system] peek_char((0x563acd73bee0), _303112)
   Exit: (213) [system] peek_char((0x563acd73bee0), k)
^  Call: (213) [user] is_delimiter(k)
   Call: (214) [system] char_type(k, space)
   Fail: (214) [system] char_type(k, space)
   Call: (214) [system] arg(_307832, v('(', ')', end_of_file), k)
   Fail: (214) [system] arg(_308764, v('(', ')', end_of_file), k)
^  Fail: (213) [user] is_delimiter(k)
   Call: (213) [system] ')'==k
   Fail: (213) [system] ')'==k
   Call: (213) [system] get_char((0x563acd73bee0), k)
   Exit: (213) [system] get_char((0x563acd73bee0), k)
   Call: (213) [system] k=(\)
   Fail: (213) [system] k=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _316114)
   Call: (214) [system] peek_char((0x563acd73bee0), _317048)
   Exit: (214) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _316114=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (213) [system] _302178=[k]
   Exit: (213) [system] [k]=[k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (212) [system] _288242=[n, k]
   Exit: (212) [system] [n, k]=[n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (211) [system] _274306=[i, n, k]
   Exit: (211) [system] [i, n, k]=[i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (210) [system] _260370=['L', i, n, k]
   Exit: (210) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (209) [system] _246434=[d, 'L', i, n, k]
   Exit: (209) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, 'L', i, n, k])
   Call: (208) [system] _232498=[n, d, 'L', i, n, k]
   Exit: (208) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, d, 'L', i, n, k])
^  Call: (207) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _196988)
^  Call: (208) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _343096)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_344048, _344050), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _343096), _344030, fail)), '$restore_trace'(_344048, _344050))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_344048, _344050))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _343096), _344030, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_343096)
   Fail: (209) [system] atomic(_343096)
   Call: (209) [system] atom_chars(_343096, ['A', n, d, 'L', i, n, k])
   Exit: (209) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (208) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (208) [system] integer('AndLink')
   Fail: (208) [system] integer('AndLink')
   Call: (208) [system] _196988='AndLink'
   Exit: (208) [system] 'AndLink'='AndLink'
^  Exit: (207) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (206) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'AndLink')
^  Exit: (205) [user] cont_sexpr(')', (0x563acd73bee0), 'AndLink')
^  Call: (205) [user] read_list(')', (0x563acd73bee0), _358046)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _359904)
   Exit: (207) [system] peek_char((0x563acd73bee0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
   Call: (207) [system] ' '=(/)
   Fail: (207) [system] ' '=(/)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x563acd73bee0), _369498)
   Exit: (207) [system] get_char((0x563acd73bee0), ' ')
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _372202)
   Exit: (208) [system] peek_char((0x563acd73bee0), 'A')
   Call: (208) [system] 'A'=(;)
   Fail: (208) [system] 'A'=(;)
   Call: (208) [system] 'A'=(/)
   Fail: (208) [system] 'A'=(/)
^  Call: (208) [user] is_like_space('A')
   Call: (209) [system] char_type('A', 'white')
   Fail: (209) [system] char_type('A', 'white')
   Call: (209) [system] char_type('A', end_of_line)
   Fail: (209) [system] char_type('A', end_of_line)
   Call: (209) [system] char_type('A', space)
   Fail: (209) [system] char_type('A', space)
   Call: (209) [system] char_type('A', cntrl)
   Fail: (209) [system] char_type('A', cntrl)
^  Fail: (208) [user] is_like_space('A')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _389136)
   Exit: (206) [system] peek_char((0x563acd73bee0), 'A')
   Call: (206) [system] 'A'=')'
   Fail: (206) [system] 'A'=')'
   Call: (206) [system] 'A'=end_of_file
   Fail: (206) [system] 'A'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x563acd73bee0), _394706)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _396564)
   Exit: (208) [system] peek_char((0x563acd73bee0), 'A')
   Call: (208) [system] 'A'=(;)
   Fail: (208) [system] 'A'=(;)
   Call: (208) [system] 'A'=(/)
   Fail: (208) [system] 'A'=(/)
^  Call: (208) [user] is_like_space('A')
   Call: (209) [system] char_type('A', 'white')
   Fail: (209) [system] char_type('A', 'white')
   Call: (209) [system] char_type('A', end_of_line)
   Fail: (209) [system] char_type('A', end_of_line)
   Call: (209) [system] char_type('A', space)
   Fail: (209) [system] char_type('A', space)
   Call: (209) [system] char_type('A', cntrl)
   Fail: (209) [system] char_type('A', cntrl)
^  Fail: (208) [user] is_like_space('A')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] get_char((0x563acd73bee0), _412574)
   Exit: (207) [system] get_char((0x563acd73bee0), 'A')
   Call: (207) [system] 'A'='('
   Fail: (207) [system] 'A'='('
   Call: (207) [system] 'A'='['
   Fail: (207) [system] 'A'='['
   Call: (207) [system] 'A'='{'
   Fail: (207) [system] 'A'='{'
   Call: (207) [system] 'A'='"'
   Fail: (207) [system] 'A'='"'
   Call: (207) [system] 'A'=!
   Fail: (207) [system] 'A'=!
   Call: (207) [system] 'A'='\''
   Fail: (207) [system] 'A'='\''
   Call: (207) [system] 'A'='`'
   Fail: (207) [system] 'A'='`'
   Call: (207) [system] 'A'=end_of_file
   Fail: (207) [system] 'A'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x563acd73bee0), 'A', _394706)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _430216)
   Call: (209) [system] peek_char((0x563acd73bee0), _431150)
   Exit: (209) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _430216=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (208) [user] classify_and_convert_charseq(['A'], _394706)
^  Call: (209) [user] classify_and_convert_charseq_(['A'], _440434)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_441386, _441388), once(user:catch(read_from_chars(['A'], _440434), _441368, fail)), '$restore_trace'(_441386, _441388))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_441386, _441388))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _440434), _441368, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_440434)
   Fail: (210) [system] atomic(_440434)
   Call: (210) [system] atom_chars(_440434, ['A'])
   Exit: (210) [system] atom_chars('A', ['A'])
^  Exit: (209) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (209) [system] integer('A')
   Fail: (209) [system] integer('A')
   Call: (209) [system] _394706='A'
   Exit: (209) [system] 'A'='A'
^  Exit: (208) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (207) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (206) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (206) [user] read_list(')', (0x563acd73bee0), _455384)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _457242)
   Exit: (208) [system] peek_char((0x563acd73bee0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x563acd73bee0), _466836)
   Exit: (208) [system] get_char((0x563acd73bee0), ' ')
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _469540)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'B')
   Call: (209) [system] 'B'=(;)
   Fail: (209) [system] 'B'=(;)
   Call: (209) [system] 'B'=(/)
   Fail: (209) [system] 'B'=(/)
^  Call: (209) [user] is_like_space('B')
   Call: (210) [system] char_type('B', 'white')
   Fail: (210) [system] char_type('B', 'white')
   Call: (210) [system] char_type('B', end_of_line)
   Fail: (210) [system] char_type('B', end_of_line)
   Call: (210) [system] char_type('B', space)
   Fail: (210) [system] char_type('B', space)
   Call: (210) [system] char_type('B', cntrl)
   Fail: (210) [system] char_type('B', cntrl)
^  Fail: (209) [user] is_like_space('B')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _486474)
   Exit: (207) [system] peek_char((0x563acd73bee0), 'B')
   Call: (207) [system] 'B'=')'
   Fail: (207) [system] 'B'=')'
   Call: (207) [system] 'B'=end_of_file
   Fail: (207) [system] 'B'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x563acd73bee0), _492044)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _493902)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'B')
   Call: (209) [system] 'B'=(;)
   Fail: (209) [system] 'B'=(;)
   Call: (209) [system] 'B'=(/)
   Fail: (209) [system] 'B'=(/)
^  Call: (209) [user] is_like_space('B')
   Call: (210) [system] char_type('B', 'white')
   Fail: (210) [system] char_type('B', 'white')
   Call: (210) [system] char_type('B', end_of_line)
   Fail: (210) [system] char_type('B', end_of_line)
   Call: (210) [system] char_type('B', space)
   Fail: (210) [system] char_type('B', space)
   Call: (210) [system] char_type('B', cntrl)
   Fail: (210) [system] char_type('B', cntrl)
^  Fail: (209) [user] is_like_space('B')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] get_char((0x563acd73bee0), _509912)
   Exit: (208) [system] get_char((0x563acd73bee0), 'B')
   Call: (208) [system] 'B'='('
   Fail: (208) [system] 'B'='('
   Call: (208) [system] 'B'='['
   Fail: (208) [system] 'B'='['
   Call: (208) [system] 'B'='{'
   Fail: (208) [system] 'B'='{'
   Call: (208) [system] 'B'='"'
   Fail: (208) [system] 'B'='"'
   Call: (208) [system] 'B'=!
   Fail: (208) [system] 'B'=!
   Call: (208) [system] 'B'='\''
   Fail: (208) [system] 'B'='\''
   Call: (208) [system] 'B'='`'
   Fail: (208) [system] 'B'='`'
   Call: (208) [system] 'B'=end_of_file
   Fail: (208) [system] 'B'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x563acd73bee0), 'B', _492044)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _527554)
   Call: (210) [system] peek_char((0x563acd73bee0), _528488)
   Exit: (210) [system] peek_char((0x563acd73bee0), ')')
^  Call: (210) [user] is_delimiter(')')
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] arg(_533208, v('(', ')', end_of_file), ')')
   Exit: (211) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (210) [user] is_delimiter(')')
   Call: (210) [system] _527554=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (209) [user] classify_and_convert_charseq(['B'], _492044)
^  Call: (210) [user] classify_and_convert_charseq_(['B'], _539644)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_540596, _540598), once(user:catch(read_from_chars(['B'], _539644), _540578, fail)), '$restore_trace'(_540596, _540598))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_540596, _540598))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _539644), _540578, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_539644)
   Fail: (211) [system] atomic(_539644)
   Call: (211) [system] atom_chars(_539644, ['B'])
   Exit: (211) [system] atom_chars('B', ['B'])
^  Exit: (210) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (210) [system] integer('B')
   Fail: (210) [system] integer('B')
   Call: (210) [system] _492044='B'
   Exit: (210) [system] 'B'='B'
^  Exit: (209) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (208) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (207) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (207) [user] read_list(')', (0x563acd73bee0), _554594)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _556452)
   Exit: (209) [system] peek_char((0x563acd73bee0), ')')
   Call: (209) [system] ')'=(;)
   Fail: (209) [system] ')'=(;)
   Call: (209) [system] ')'=(/)
   Fail: (209) [system] ')'=(/)
^  Call: (209) [user] is_like_space(')')
   Call: (210) [system] char_type(')', 'white')
   Fail: (210) [system] char_type(')', 'white')
   Call: (210) [system] char_type(')', end_of_line)
   Fail: (210) [system] char_type(')', end_of_line)
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] char_type(')', cntrl)
   Fail: (210) [system] char_type(')', cntrl)
^  Fail: (209) [user] is_like_space(')')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _572462)
   Exit: (208) [system] peek_char((0x563acd73bee0), ')')
   Call: (208) [system] ')'=')'
   Exit: (208) [system] ')'=')'
   Call: (208) [system] get_char((0x563acd73bee0), _576252)
   Exit: (208) [system] get_char((0x563acd73bee0), ')')
   Call: (208) [system] _554594=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_list(')', (0x563acd73bee0), [])
   Call: (207) [system] _455384=['B']
   Exit: (207) [system] ['B']=['B']
^  Exit: (206) [user] read_list(')', (0x563acd73bee0), ['B'])
   Call: (206) [system] _358046=['A', 'B']
   Exit: (206) [system] ['A', 'B']=['A', 'B']
^  Exit: (205) [user] read_list(')', (0x563acd73bee0), ['A', 'B'])
   Call: (205) [system] _151970=['AndLink', 'A', 'B']
   Exit: (205) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (204) [user] read_list(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Exit: (203) [user] cont_sexpr(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Call: (203) [user] read_list(')', (0x563acd73bee0), _590134)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _591992)
   Exit: (205) [system] peek_char((0x563acd73bee0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x563acd73bee0), _601586)
   Exit: (205) [system] get_char((0x563acd73bee0), ' ')
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _604290)
   Exit: (206) [system] peek_char((0x563acd73bee0), 'C')
   Call: (206) [system] 'C'=(;)
   Fail: (206) [system] 'C'=(;)
   Call: (206) [system] 'C'=(/)
   Fail: (206) [system] 'C'=(/)
^  Call: (206) [user] is_like_space('C')
   Call: (207) [system] char_type('C', 'white')
   Fail: (207) [system] char_type('C', 'white')
   Call: (207) [system] char_type('C', end_of_line)
   Fail: (207) [system] char_type('C', end_of_line)
   Call: (207) [system] char_type('C', space)
   Fail: (207) [system] char_type('C', space)
   Call: (207) [system] char_type('C', cntrl)
   Fail: (207) [system] char_type('C', cntrl)
^  Fail: (206) [user] is_like_space('C')
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _621224)
   Exit: (204) [system] peek_char((0x563acd73bee0), 'C')
   Call: (204) [system] 'C'=')'
   Fail: (204) [system] 'C'=')'
   Call: (204) [system] 'C'=end_of_file
   Fail: (204) [system] 'C'=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x563acd73bee0), _626794)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _628652)
   Exit: (206) [system] peek_char((0x563acd73bee0), 'C')
   Call: (206) [system] 'C'=(;)
   Fail: (206) [system] 'C'=(;)
   Call: (206) [system] 'C'=(/)
   Fail: (206) [system] 'C'=(/)
^  Call: (206) [user] is_like_space('C')
   Call: (207) [system] char_type('C', 'white')
   Fail: (207) [system] char_type('C', 'white')
   Call: (207) [system] char_type('C', end_of_line)
   Fail: (207) [system] char_type('C', end_of_line)
   Call: (207) [system] char_type('C', space)
   Fail: (207) [system] char_type('C', space)
   Call: (207) [system] char_type('C', cntrl)
   Fail: (207) [system] char_type('C', cntrl)
^  Fail: (206) [user] is_like_space('C')
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] get_char((0x563acd73bee0), _644662)
   Exit: (205) [system] get_char((0x563acd73bee0), 'C')
   Call: (205) [system] 'C'='('
   Fail: (205) [system] 'C'='('
   Call: (205) [system] 'C'='['
   Fail: (205) [system] 'C'='['
   Call: (205) [system] 'C'='{'
   Fail: (205) [system] 'C'='{'
   Call: (205) [system] 'C'='"'
   Fail: (205) [system] 'C'='"'
   Call: (205) [system] 'C'=!
   Fail: (205) [system] 'C'=!
   Call: (205) [system] 'C'='\''
   Fail: (205) [system] 'C'='\''
   Call: (205) [system] 'C'='`'
   Fail: (205) [system] 'C'='`'
   Call: (205) [system] 'C'=end_of_file
   Fail: (205) [system] 'C'=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x563acd73bee0), 'C', _626794)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _662304)
   Call: (207) [system] peek_char((0x563acd73bee0), _663238)
   Exit: (207) [system] peek_char((0x563acd73bee0), ')')
^  Call: (207) [user] is_delimiter(')')
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] arg(_667958, v('(', ')', end_of_file), ')')
   Exit: (208) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (207) [user] is_delimiter(')')
   Call: (207) [system] _662304=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (206) [user] classify_and_convert_charseq(['C'], _626794)
^  Call: (207) [user] classify_and_convert_charseq_(['C'], _674394)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_675346, _675348), once(user:catch(read_from_chars(['C'], _674394), _675328, fail)), '$restore_trace'(_675346, _675348))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_675346, _675348))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _674394), _675328, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(_674394)
   Fail: (208) [system] atomic(_674394)
   Call: (208) [system] atom_chars(_674394, ['C'])
   Exit: (208) [system] atom_chars('C', ['C'])
^  Exit: (207) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (207) [system] integer('C')
   Fail: (207) [system] integer('C')
   Call: (207) [system] _626794='C'
   Exit: (207) [system] 'C'='C'
^  Exit: (206) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (205) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (204) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (204) [user] read_list(')', (0x563acd73bee0), _689344)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _691202)
   Exit: (206) [system] peek_char((0x563acd73bee0), ')')
   Call: (206) [system] ')'=(;)
   Fail: (206) [system] ')'=(;)
   Call: (206) [system] ')'=(/)
   Fail: (206) [system] ')'=(/)
^  Call: (206) [user] is_like_space(')')
   Call: (207) [system] char_type(')', 'white')
   Fail: (207) [system] char_type(')', 'white')
   Call: (207) [system] char_type(')', end_of_line)
   Fail: (207) [system] char_type(')', end_of_line)
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] char_type(')', cntrl)
   Fail: (207) [system] char_type(')', cntrl)
^  Fail: (206) [user] is_like_space(')')
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _707212)
   Exit: (205) [system] peek_char((0x563acd73bee0), ')')
   Call: (205) [system] ')'=')'
   Exit: (205) [system] ')'=')'
   Call: (205) [system] get_char((0x563acd73bee0), _711002)
   Exit: (205) [system] get_char((0x563acd73bee0), ')')
   Call: (205) [system] _689344=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_list(')', (0x563acd73bee0), [])
   Call: (204) [system] _590134=['C']
   Exit: (204) [system] ['C']=['C']
^  Exit: (203) [user] read_list(')', (0x563acd73bee0), ['C'])
   Call: (203) [system] _115310=[['AndLink', 'A', 'B'], 'C']
   Exit: (203) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (202) [user] read_list(')', (0x563acd73bee0), [['AndLink', 'A', 'B'], 'C'])
   Call: (202) [system] _3668=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (202) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (201) [user] read_list(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (200) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _724884)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _726742)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x563acd73bee0), _736336)
   Exit: (202) [system] get_char((0x563acd73bee0), ' ')
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _739040)
   Exit: (203) [system] peek_char((0x563acd73bee0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _755974)
   Exit: (201) [system] peek_char((0x563acd73bee0), '(')
   Call: (201) [system] '('=')'
   Fail: (201) [system] '('=')'
   Call: (201) [system] '('=end_of_file
   Fail: (201) [system] '('=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x563acd73bee0), _761544)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _763402)
   Exit: (203) [system] peek_char((0x563acd73bee0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] get_char((0x563acd73bee0), _779412)
   Exit: (202) [system] get_char((0x563acd73bee0), '(')
   Call: (202) [system] '('='('
   Exit: (202) [system] '('='('
^  Call: (202) [user] read_list(')', (0x563acd73bee0), _761544)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _784982)
   Exit: (204) [system] peek_char((0x563acd73bee0), 'I')
   Call: (204) [system] 'I'=(;)
   Fail: (204) [system] 'I'=(;)
   Call: (204) [system] 'I'=(/)
   Fail: (204) [system] 'I'=(/)
^  Call: (204) [user] is_like_space('I')
   Call: (205) [system] char_type('I', 'white')
   Fail: (205) [system] char_type('I', 'white')
   Call: (205) [system] char_type('I', end_of_line)
   Fail: (205) [system] char_type('I', end_of_line)
   Call: (205) [system] char_type('I', space)
   Fail: (205) [system] char_type('I', space)
   Call: (205) [system] char_type('I', cntrl)
   Fail: (205) [system] char_type('I', cntrl)
^  Fail: (204) [user] is_like_space('I')
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _800992)
   Exit: (203) [system] peek_char((0x563acd73bee0), 'I')
   Call: (203) [system] 'I'=')'
   Fail: (203) [system] 'I'=')'
   Call: (203) [system] 'I'=end_of_file
   Fail: (203) [system] 'I'=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x563acd73bee0), _806562)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _808420)
   Exit: (205) [system] peek_char((0x563acd73bee0), 'I')
   Call: (205) [system] 'I'=(;)
   Fail: (205) [system] 'I'=(;)
   Call: (205) [system] 'I'=(/)
   Fail: (205) [system] 'I'=(/)
^  Call: (205) [user] is_like_space('I')
   Call: (206) [system] char_type('I', 'white')
   Fail: (206) [system] char_type('I', 'white')
   Call: (206) [system] char_type('I', end_of_line)
   Fail: (206) [system] char_type('I', end_of_line)
   Call: (206) [system] char_type('I', space)
   Fail: (206) [system] char_type('I', space)
   Call: (206) [system] char_type('I', cntrl)
   Fail: (206) [system] char_type('I', cntrl)
^  Fail: (205) [user] is_like_space('I')
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] get_char((0x563acd73bee0), _824430)
   Exit: (204) [system] get_char((0x563acd73bee0), 'I')
   Call: (204) [system] 'I'='('
   Fail: (204) [system] 'I'='('
   Call: (204) [system] 'I'='['
   Fail: (204) [system] 'I'='['
   Call: (204) [system] 'I'='{'
   Fail: (204) [system] 'I'='{'
   Call: (204) [system] 'I'='"'
   Fail: (204) [system] 'I'='"'
   Call: (204) [system] 'I'=!
   Fail: (204) [system] 'I'=!
   Call: (204) [system] 'I'='\''
   Fail: (204) [system] 'I'='\''
   Call: (204) [system] 'I'='`'
   Fail: (204) [system] 'I'='`'
   Call: (204) [system] 'I'=end_of_file
   Fail: (204) [system] 'I'=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x563acd73bee0), 'I', _806562)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _842072)
   Call: (206) [system] peek_char((0x563acd73bee0), _843006)
   Exit: (206) [system] peek_char((0x563acd73bee0), m)
^  Call: (206) [user] is_delimiter(m)
   Call: (207) [system] char_type(m, space)
   Fail: (207) [system] char_type(m, space)
   Call: (207) [system] arg(_847726, v('(', ')', end_of_file), m)
   Fail: (207) [system] arg(_848658, v('(', ')', end_of_file), m)
^  Fail: (206) [user] is_delimiter(m)
   Call: (206) [system] ')'==m
   Fail: (206) [system] ')'==m
   Call: (206) [system] get_char((0x563acd73bee0), m)
   Exit: (206) [system] get_char((0x563acd73bee0), m)
   Call: (206) [system] m=(\)
   Fail: (206) [system] m=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _856008)
   Call: (207) [system] peek_char((0x563acd73bee0), _856942)
   Exit: (207) [system] peek_char((0x563acd73bee0), p)
^  Call: (207) [user] is_delimiter(p)
   Call: (208) [system] char_type(p, space)
   Fail: (208) [system] char_type(p, space)
   Call: (208) [system] arg(_861662, v('(', ')', end_of_file), p)
   Fail: (208) [system] arg(_862594, v('(', ')', end_of_file), p)
^  Fail: (207) [user] is_delimiter(p)
   Call: (207) [system] ')'==p
   Fail: (207) [system] ')'==p
   Call: (207) [system] get_char((0x563acd73bee0), p)
   Exit: (207) [system] get_char((0x563acd73bee0), p)
   Call: (207) [system] p=(\)
   Fail: (207) [system] p=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _869944)
   Call: (208) [system] peek_char((0x563acd73bee0), _870878)
   Exit: (208) [system] peek_char((0x563acd73bee0), l)
^  Call: (208) [user] is_delimiter(l)
   Call: (209) [system] char_type(l, space)
   Fail: (209) [system] char_type(l, space)
   Call: (209) [system] arg(_875598, v('(', ')', end_of_file), l)
   Fail: (209) [system] arg(_876530, v('(', ')', end_of_file), l)
^  Fail: (208) [user] is_delimiter(l)
   Call: (208) [system] ')'==l
   Fail: (208) [system] ')'==l
   Call: (208) [system] get_char((0x563acd73bee0), l)
   Exit: (208) [system] get_char((0x563acd73bee0), l)
   Call: (208) [system] l=(\)
   Fail: (208) [system] l=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _883880)
   Call: (209) [system] peek_char((0x563acd73bee0), _884814)
   Exit: (209) [system] peek_char((0x563acd73bee0), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_889534, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_890466, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x563acd73bee0), i)
   Exit: (209) [system] get_char((0x563acd73bee0), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _897816)
   Call: (210) [system] peek_char((0x563acd73bee0), _898750)
   Exit: (210) [system] peek_char((0x563acd73bee0), c)
^  Call: (210) [user] is_delimiter(c)
   Call: (211) [system] char_type(c, space)
   Fail: (211) [system] char_type(c, space)
   Call: (211) [system] arg(_903470, v('(', ')', end_of_file), c)
   Fail: (211) [system] arg(_904402, v('(', ')', end_of_file), c)
^  Fail: (210) [user] is_delimiter(c)
   Call: (210) [system] ')'==c
   Fail: (210) [system] ')'==c
   Call: (210) [system] get_char((0x563acd73bee0), c)
   Exit: (210) [system] get_char((0x563acd73bee0), c)
   Call: (210) [system] c=(\)
   Fail: (210) [system] c=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _911752)
   Call: (211) [system] peek_char((0x563acd73bee0), _912686)
   Exit: (211) [system] peek_char((0x563acd73bee0), a)
^  Call: (211) [user] is_delimiter(a)
   Call: (212) [system] char_type(a, space)
   Fail: (212) [system] char_type(a, space)
   Call: (212) [system] arg(_917406, v('(', ')', end_of_file), a)
   Fail: (212) [system] arg(_918338, v('(', ')', end_of_file), a)
^  Fail: (211) [user] is_delimiter(a)
   Call: (211) [system] ')'==a
   Fail: (211) [system] ')'==a
   Call: (211) [system] get_char((0x563acd73bee0), a)
   Exit: (211) [system] get_char((0x563acd73bee0), a)
   Call: (211) [system] a=(\)
   Fail: (211) [system] a=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _925688)
   Call: (212) [system] peek_char((0x563acd73bee0), _926622)
   Exit: (212) [system] peek_char((0x563acd73bee0), t)
^  Call: (212) [user] is_delimiter(t)
   Call: (213) [system] char_type(t, space)
   Fail: (213) [system] char_type(t, space)
   Call: (213) [system] arg(_931342, v('(', ')', end_of_file), t)
   Fail: (213) [system] arg(_932274, v('(', ')', end_of_file), t)
^  Fail: (212) [user] is_delimiter(t)
   Call: (212) [system] ')'==t
   Fail: (212) [system] ')'==t
   Call: (212) [system] get_char((0x563acd73bee0), t)
   Exit: (212) [system] get_char((0x563acd73bee0), t)
   Call: (212) [system] t=(\)
   Fail: (212) [system] t=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _939624)
   Call: (213) [system] peek_char((0x563acd73bee0), _940558)
   Exit: (213) [system] peek_char((0x563acd73bee0), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Fail: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_945278, v('(', ')', end_of_file), i)
   Fail: (214) [system] arg(_946210, v('(', ')', end_of_file), i)
^  Fail: (213) [user] is_delimiter(i)
   Call: (213) [system] ')'==i
   Fail: (213) [system] ')'==i
   Call: (213) [system] get_char((0x563acd73bee0), i)
   Exit: (213) [system] get_char((0x563acd73bee0), i)
   Call: (213) [system] i=(\)
   Fail: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _953560)
   Call: (214) [system] peek_char((0x563acd73bee0), _954494)
   Exit: (214) [system] peek_char((0x563acd73bee0), o)
^  Call: (214) [user] is_delimiter(o)
   Call: (215) [system] char_type(o, space)
   Fail: (215) [system] char_type(o, space)
   Call: (215) [system] arg(_959214, v('(', ')', end_of_file), o)
   Fail: (215) [system] arg(_960146, v('(', ')', end_of_file), o)
^  Fail: (214) [user] is_delimiter(o)
   Call: (214) [system] ')'==o
   Fail: (214) [system] ')'==o
   Call: (214) [system] get_char((0x563acd73bee0), o)
   Exit: (214) [system] get_char((0x563acd73bee0), o)
   Call: (214) [system] o=(\)
   Fail: (214) [system] o=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _967496)
   Call: (215) [system] peek_char((0x563acd73bee0), _968430)
   Exit: (215) [system] peek_char((0x563acd73bee0), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_973150, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_974082, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x563acd73bee0), n)
   Exit: (215) [system] get_char((0x563acd73bee0), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _981432)
   Call: (216) [system] peek_char((0x563acd73bee0), _982366)
   Exit: (216) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _981432=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (215) [system] _967496=[n]
   Exit: (215) [system] [n]=[n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (214) [system] _953560=[o, n]
   Exit: (214) [system] [o, n]=[o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (213) [system] _939624=[i, o, n]
   Exit: (213) [system] [i, o, n]=[i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (212) [system] _925688=[t, i, o, n]
   Exit: (212) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (211) [system] _911752=[a, t, i, o, n]
   Exit: (211) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (210) [system] _897816=[c, a, t, i, o, n]
   Exit: (210) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (209) [system] _883880=[i, c, a, t, i, o, n]
   Exit: (209) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (208) [system] _869944=[l, i, c, a, t, i, o, n]
   Exit: (208) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (207) [system] _856008=[p, l, i, c, a, t, i, o, n]
   Exit: (207) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (206) [system] _842072=[m, p, l, i, c, a, t, i, o, n]
   Exit: (206) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (205) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _806562)
^  Call: (206) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1019590)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_1020542, _1020544), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1019590), _1020524, fail)), '$restore_trace'(_1020542, _1020544))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_1020542, _1020544))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1019590), _1020524, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(_1019590)
   Fail: (207) [system] atomic(_1019590)
   Call: (207) [system] atom_chars(_1019590, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (207) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (206) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (206) [system] integer('Implication')
   Fail: (206) [system] integer('Implication')
   Call: (206) [system] _806562='Implication'
   Exit: (206) [system] 'Implication'='Implication'
^  Exit: (205) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (204) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (203) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (203) [user] read_list(')', (0x563acd73bee0), _1034540)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1036398)
   Exit: (205) [system] peek_char((0x563acd73bee0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x563acd73bee0), _1045992)
   Exit: (205) [system] get_char((0x563acd73bee0), ' ')
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1048696)
   Exit: (206) [system] peek_char((0x563acd73bee0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1065630)
   Exit: (204) [system] peek_char((0x563acd73bee0), '(')
   Call: (204) [system] '('=')'
   Fail: (204) [system] '('=')'
   Call: (204) [system] '('=end_of_file
   Fail: (204) [system] '('=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x563acd73bee0), _1071200)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1073058)
   Exit: (206) [system] peek_char((0x563acd73bee0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] get_char((0x563acd73bee0), _1089068)
   Exit: (205) [system] get_char((0x563acd73bee0), '(')
   Call: (205) [system] '('='('
   Exit: (205) [system] '('='('
^  Call: (205) [user] read_list(')', (0x563acd73bee0), _1071200)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1094638)
   Exit: (207) [system] peek_char((0x563acd73bee0), 'A')
   Call: (207) [system] 'A'=(;)
   Fail: (207) [system] 'A'=(;)
   Call: (207) [system] 'A'=(/)
   Fail: (207) [system] 'A'=(/)
^  Call: (207) [user] is_like_space('A')
   Call: (208) [system] char_type('A', 'white')
   Fail: (208) [system] char_type('A', 'white')
   Call: (208) [system] char_type('A', end_of_line)
   Fail: (208) [system] char_type('A', end_of_line)
   Call: (208) [system] char_type('A', space)
   Fail: (208) [system] char_type('A', space)
   Call: (208) [system] char_type('A', cntrl)
   Fail: (208) [system] char_type('A', cntrl)
^  Fail: (207) [user] is_like_space('A')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1110648)
   Exit: (206) [system] peek_char((0x563acd73bee0), 'A')
   Call: (206) [system] 'A'=')'
   Fail: (206) [system] 'A'=')'
   Call: (206) [system] 'A'=end_of_file
   Fail: (206) [system] 'A'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x563acd73bee0), _1116218)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1118076)
   Exit: (208) [system] peek_char((0x563acd73bee0), 'A')
   Call: (208) [system] 'A'=(;)
   Fail: (208) [system] 'A'=(;)
   Call: (208) [system] 'A'=(/)
   Fail: (208) [system] 'A'=(/)
^  Call: (208) [user] is_like_space('A')
   Call: (209) [system] char_type('A', 'white')
   Fail: (209) [system] char_type('A', 'white')
   Call: (209) [system] char_type('A', end_of_line)
   Fail: (209) [system] char_type('A', end_of_line)
   Call: (209) [system] char_type('A', space)
   Fail: (209) [system] char_type('A', space)
   Call: (209) [system] char_type('A', cntrl)
   Fail: (209) [system] char_type('A', cntrl)
^  Fail: (208) [user] is_like_space('A')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] get_char((0x563acd73bee0), _1134086)
   Exit: (207) [system] get_char((0x563acd73bee0), 'A')
   Call: (207) [system] 'A'='('
   Fail: (207) [system] 'A'='('
   Call: (207) [system] 'A'='['
   Fail: (207) [system] 'A'='['
   Call: (207) [system] 'A'='{'
   Fail: (207) [system] 'A'='{'
   Call: (207) [system] 'A'='"'
   Fail: (207) [system] 'A'='"'
   Call: (207) [system] 'A'=!
   Fail: (207) [system] 'A'=!
   Call: (207) [system] 'A'='\''
   Fail: (207) [system] 'A'='\''
   Call: (207) [system] 'A'='`'
   Fail: (207) [system] 'A'='`'
   Call: (207) [system] 'A'=end_of_file
   Fail: (207) [system] 'A'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x563acd73bee0), 'A', _1116218)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1151728)
   Call: (209) [system] peek_char((0x563acd73bee0), _1152662)
   Exit: (209) [system] peek_char((0x563acd73bee0), n)
^  Call: (209) [user] is_delimiter(n)
   Call: (210) [system] char_type(n, space)
   Fail: (210) [system] char_type(n, space)
   Call: (210) [system] arg(_1157382, v('(', ')', end_of_file), n)
   Fail: (210) [system] arg(_1158314, v('(', ')', end_of_file), n)
^  Fail: (209) [user] is_delimiter(n)
   Call: (209) [system] ')'==n
   Fail: (209) [system] ')'==n
   Call: (209) [system] get_char((0x563acd73bee0), n)
   Exit: (209) [system] get_char((0x563acd73bee0), n)
   Call: (209) [system] n=(\)
   Fail: (209) [system] n=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1165664)
   Call: (210) [system] peek_char((0x563acd73bee0), _1166598)
   Exit: (210) [system] peek_char((0x563acd73bee0), d)
^  Call: (210) [user] is_delimiter(d)
   Call: (211) [system] char_type(d, space)
   Fail: (211) [system] char_type(d, space)
   Call: (211) [system] arg(_1171318, v('(', ')', end_of_file), d)
   Fail: (211) [system] arg(_1172250, v('(', ')', end_of_file), d)
^  Fail: (210) [user] is_delimiter(d)
   Call: (210) [system] ')'==d
   Fail: (210) [system] ')'==d
   Call: (210) [system] get_char((0x563acd73bee0), d)
   Exit: (210) [system] get_char((0x563acd73bee0), d)
   Call: (210) [system] d=(\)
   Fail: (210) [system] d=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1179600)
   Call: (211) [system] peek_char((0x563acd73bee0), _1180534)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (211) [user] is_delimiter('L')
   Call: (212) [system] char_type('L', space)
   Fail: (212) [system] char_type('L', space)
   Call: (212) [system] arg(_1185254, v('(', ')', end_of_file), 'L')
   Fail: (212) [system] arg(_1186186, v('(', ')', end_of_file), 'L')
^  Fail: (211) [user] is_delimiter('L')
   Call: (211) [system] ')'=='L'
   Fail: (211) [system] ')'=='L'
   Call: (211) [system] get_char((0x563acd73bee0), 'L')
   Exit: (211) [system] get_char((0x563acd73bee0), 'L')
   Call: (211) [system] 'L'=(\)
   Fail: (211) [system] 'L'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1193536)
   Call: (212) [system] peek_char((0x563acd73bee0), _1194470)
   Exit: (212) [system] peek_char((0x563acd73bee0), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_1199190, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_1200122, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x563acd73bee0), i)
   Exit: (212) [system] get_char((0x563acd73bee0), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _1207472)
   Call: (213) [system] peek_char((0x563acd73bee0), _1208406)
   Exit: (213) [system] peek_char((0x563acd73bee0), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_1213126, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_1214058, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x563acd73bee0), n)
   Exit: (213) [system] get_char((0x563acd73bee0), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _1221408)
   Call: (214) [system] peek_char((0x563acd73bee0), _1222342)
   Exit: (214) [system] peek_char((0x563acd73bee0), k)
^  Call: (214) [user] is_delimiter(k)
   Call: (215) [system] char_type(k, space)
   Fail: (215) [system] char_type(k, space)
   Call: (215) [system] arg(_1227062, v('(', ')', end_of_file), k)
   Fail: (215) [system] arg(_1227994, v('(', ')', end_of_file), k)
^  Fail: (214) [user] is_delimiter(k)
   Call: (214) [system] ')'==k
   Fail: (214) [system] ')'==k
   Call: (214) [system] get_char((0x563acd73bee0), k)
   Exit: (214) [system] get_char((0x563acd73bee0), k)
   Call: (214) [system] k=(\)
   Fail: (214) [system] k=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _1235344)
   Call: (215) [system] peek_char((0x563acd73bee0), _1236278)
   Exit: (215) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _1235344=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (214) [system] _1221408=[k]
   Exit: (214) [system] [k]=[k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (213) [system] _1207472=[n, k]
   Exit: (213) [system] [n, k]=[n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (212) [system] _1193536=[i, n, k]
   Exit: (212) [system] [i, n, k]=[i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (211) [system] _1179600=['L', i, n, k]
   Exit: (211) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (210) [system] _1165664=[d, 'L', i, n, k]
   Exit: (210) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, 'L', i, n, k])
   Call: (209) [system] _1151728=[n, d, 'L', i, n, k]
   Exit: (209) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, d, 'L', i, n, k])
^  Call: (208) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1116218)
^  Call: (209) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1262326)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_1263278, _1263280), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1262326), _1263260, fail)), '$restore_trace'(_1263278, _1263280))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_1263278, _1263280))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1262326), _1263260, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_1262326)
   Fail: (210) [system] atomic(_1262326)
   Call: (210) [system] atom_chars(_1262326, ['A', n, d, 'L', i, n, k])
   Exit: (210) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (209) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (209) [system] integer('AndLink')
   Fail: (209) [system] integer('AndLink')
   Call: (209) [system] _1116218='AndLink'
   Exit: (209) [system] 'AndLink'='AndLink'
^  Exit: (208) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (207) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'AndLink')
^  Exit: (206) [user] cont_sexpr(')', (0x563acd73bee0), 'AndLink')
^  Call: (206) [user] read_list(')', (0x563acd73bee0), _1277276)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1279134)
   Exit: (208) [system] peek_char((0x563acd73bee0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x563acd73bee0), _1288728)
   Exit: (208) [system] get_char((0x563acd73bee0), ' ')
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1291432)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'A')
   Call: (209) [system] 'A'=(;)
   Fail: (209) [system] 'A'=(;)
   Call: (209) [system] 'A'=(/)
   Fail: (209) [system] 'A'=(/)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Fail: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Fail: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Fail: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
   Fail: (210) [system] char_type('A', cntrl)
^  Fail: (209) [user] is_like_space('A')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1308366)
   Exit: (207) [system] peek_char((0x563acd73bee0), 'A')
   Call: (207) [system] 'A'=')'
   Fail: (207) [system] 'A'=')'
   Call: (207) [system] 'A'=end_of_file
   Fail: (207) [system] 'A'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x563acd73bee0), _1313936)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1315794)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'A')
   Call: (209) [system] 'A'=(;)
   Fail: (209) [system] 'A'=(;)
   Call: (209) [system] 'A'=(/)
   Fail: (209) [system] 'A'=(/)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Fail: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Fail: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Fail: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
   Fail: (210) [system] char_type('A', cntrl)
^  Fail: (209) [user] is_like_space('A')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] get_char((0x563acd73bee0), _1331804)
   Exit: (208) [system] get_char((0x563acd73bee0), 'A')
   Call: (208) [system] 'A'='('
   Fail: (208) [system] 'A'='('
   Call: (208) [system] 'A'='['
   Fail: (208) [system] 'A'='['
   Call: (208) [system] 'A'='{'
   Fail: (208) [system] 'A'='{'
   Call: (208) [system] 'A'='"'
   Fail: (208) [system] 'A'='"'
   Call: (208) [system] 'A'=!
   Fail: (208) [system] 'A'=!
   Call: (208) [system] 'A'='\''
   Fail: (208) [system] 'A'='\''
   Call: (208) [system] 'A'='`'
   Fail: (208) [system] 'A'='`'
   Call: (208) [system] 'A'=end_of_file
   Fail: (208) [system] 'A'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x563acd73bee0), 'A', _1313936)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1349446)
   Call: (210) [system] peek_char((0x563acd73bee0), _1350380)
   Exit: (210) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1349446=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (209) [user] classify_and_convert_charseq(['A'], _1313936)
^  Call: (210) [user] classify_and_convert_charseq_(['A'], _1359664)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1360616, _1360618), once(user:catch(read_from_chars(['A'], _1359664), _1360598, fail)), '$restore_trace'(_1360616, _1360618))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1360616, _1360618))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1359664), _1360598, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_1359664)
   Fail: (211) [system] atomic(_1359664)
   Call: (211) [system] atom_chars(_1359664, ['A'])
   Exit: (211) [system] atom_chars('A', ['A'])
^  Exit: (210) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (210) [system] integer('A')
   Fail: (210) [system] integer('A')
   Call: (210) [system] _1313936='A'
   Exit: (210) [system] 'A'='A'
^  Exit: (209) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (208) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (207) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (207) [user] read_list(')', (0x563acd73bee0), _1374614)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1376472)
   Exit: (209) [system] peek_char((0x563acd73bee0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x563acd73bee0), _1386066)
   Exit: (209) [system] get_char((0x563acd73bee0), ' ')
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1388770)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'B')
   Call: (210) [system] 'B'=(;)
   Fail: (210) [system] 'B'=(;)
   Call: (210) [system] 'B'=(/)
   Fail: (210) [system] 'B'=(/)
^  Call: (210) [user] is_like_space('B')
   Call: (211) [system] char_type('B', 'white')
   Fail: (211) [system] char_type('B', 'white')
   Call: (211) [system] char_type('B', end_of_line)
   Fail: (211) [system] char_type('B', end_of_line)
   Call: (211) [system] char_type('B', space)
   Fail: (211) [system] char_type('B', space)
   Call: (211) [system] char_type('B', cntrl)
   Fail: (211) [system] char_type('B', cntrl)
^  Fail: (210) [user] is_like_space('B')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1405704)
   Exit: (208) [system] peek_char((0x563acd73bee0), 'B')
   Call: (208) [system] 'B'=')'
   Fail: (208) [system] 'B'=')'
   Call: (208) [system] 'B'=end_of_file
   Fail: (208) [system] 'B'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x563acd73bee0), _1411274)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1413132)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'B')
   Call: (210) [system] 'B'=(;)
   Fail: (210) [system] 'B'=(;)
   Call: (210) [system] 'B'=(/)
   Fail: (210) [system] 'B'=(/)
^  Call: (210) [user] is_like_space('B')
   Call: (211) [system] char_type('B', 'white')
   Fail: (211) [system] char_type('B', 'white')
   Call: (211) [system] char_type('B', end_of_line)
   Fail: (211) [system] char_type('B', end_of_line)
   Call: (211) [system] char_type('B', space)
   Fail: (211) [system] char_type('B', space)
   Call: (211) [system] char_type('B', cntrl)
   Fail: (211) [system] char_type('B', cntrl)
^  Fail: (210) [user] is_like_space('B')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] get_char((0x563acd73bee0), _1429142)
   Exit: (209) [system] get_char((0x563acd73bee0), 'B')
   Call: (209) [system] 'B'='('
   Fail: (209) [system] 'B'='('
   Call: (209) [system] 'B'='['
   Fail: (209) [system] 'B'='['
   Call: (209) [system] 'B'='{'
   Fail: (209) [system] 'B'='{'
   Call: (209) [system] 'B'='"'
   Fail: (209) [system] 'B'='"'
   Call: (209) [system] 'B'=!
   Fail: (209) [system] 'B'=!
   Call: (209) [system] 'B'='\''
   Fail: (209) [system] 'B'='\''
   Call: (209) [system] 'B'='`'
   Fail: (209) [system] 'B'='`'
   Call: (209) [system] 'B'=end_of_file
   Fail: (209) [system] 'B'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x563acd73bee0), 'B', _1411274)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1446784)
   Call: (211) [system] peek_char((0x563acd73bee0), _1447718)
   Exit: (211) [system] peek_char((0x563acd73bee0), ')')
^  Call: (211) [user] is_delimiter(')')
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] arg(_1452438, v('(', ')', end_of_file), ')')
   Exit: (212) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (211) [user] is_delimiter(')')
   Call: (211) [system] _1446784=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (210) [user] classify_and_convert_charseq(['B'], _1411274)
^  Call: (211) [user] classify_and_convert_charseq_(['B'], _1458874)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_1459826, _1459828), once(user:catch(read_from_chars(['B'], _1458874), _1459808, fail)), '$restore_trace'(_1459826, _1459828))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_1459826, _1459828))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1458874), _1459808, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_1458874)
   Fail: (212) [system] atomic(_1458874)
   Call: (212) [system] atom_chars(_1458874, ['B'])
   Exit: (212) [system] atom_chars('B', ['B'])
^  Exit: (211) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (211) [system] integer('B')
   Fail: (211) [system] integer('B')
   Call: (211) [system] _1411274='B'
   Exit: (211) [system] 'B'='B'
^  Exit: (210) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (209) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (208) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (208) [user] read_list(')', (0x563acd73bee0), _1473824)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1475682)
   Exit: (210) [system] peek_char((0x563acd73bee0), ')')
   Call: (210) [system] ')'=(;)
   Fail: (210) [system] ')'=(;)
   Call: (210) [system] ')'=(/)
   Fail: (210) [system] ')'=(/)
^  Call: (210) [user] is_like_space(')')
   Call: (211) [system] char_type(')', 'white')
   Fail: (211) [system] char_type(')', 'white')
   Call: (211) [system] char_type(')', end_of_line)
   Fail: (211) [system] char_type(')', end_of_line)
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] char_type(')', cntrl)
   Fail: (211) [system] char_type(')', cntrl)
^  Fail: (210) [user] is_like_space(')')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1491692)
   Exit: (209) [system] peek_char((0x563acd73bee0), ')')
   Call: (209) [system] ')'=')'
   Exit: (209) [system] ')'=')'
   Call: (209) [system] get_char((0x563acd73bee0), _1495482)
   Exit: (209) [system] get_char((0x563acd73bee0), ')')
   Call: (209) [system] _1473824=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_list(')', (0x563acd73bee0), [])
   Call: (208) [system] _1374614=['B']
   Exit: (208) [system] ['B']=['B']
^  Exit: (207) [user] read_list(')', (0x563acd73bee0), ['B'])
   Call: (207) [system] _1277276=['A', 'B']
   Exit: (207) [system] ['A', 'B']=['A', 'B']
^  Exit: (206) [user] read_list(')', (0x563acd73bee0), ['A', 'B'])
   Call: (206) [system] _1071200=['AndLink', 'A', 'B']
   Exit: (206) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (205) [user] read_list(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Exit: (204) [user] cont_sexpr(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Call: (204) [user] read_list(')', (0x563acd73bee0), _1509364)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1511222)
   Exit: (206) [system] peek_char((0x563acd73bee0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
   Call: (206) [system] ' '=(/)
   Fail: (206) [system] ' '=(/)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x563acd73bee0), _1520816)
   Exit: (206) [system] get_char((0x563acd73bee0), ' ')
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1523520)
   Exit: (207) [system] peek_char((0x563acd73bee0), 'C')
   Call: (207) [system] 'C'=(;)
   Fail: (207) [system] 'C'=(;)
   Call: (207) [system] 'C'=(/)
   Fail: (207) [system] 'C'=(/)
^  Call: (207) [user] is_like_space('C')
   Call: (208) [system] char_type('C', 'white')
   Fail: (208) [system] char_type('C', 'white')
   Call: (208) [system] char_type('C', end_of_line)
   Fail: (208) [system] char_type('C', end_of_line)
   Call: (208) [system] char_type('C', space)
   Fail: (208) [system] char_type('C', space)
   Call: (208) [system] char_type('C', cntrl)
   Fail: (208) [system] char_type('C', cntrl)
^  Fail: (207) [user] is_like_space('C')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1540454)
   Exit: (205) [system] peek_char((0x563acd73bee0), 'C')
   Call: (205) [system] 'C'=')'
   Fail: (205) [system] 'C'=')'
   Call: (205) [system] 'C'=end_of_file
   Fail: (205) [system] 'C'=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x563acd73bee0), _1546024)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1547882)
   Exit: (207) [system] peek_char((0x563acd73bee0), 'C')
   Call: (207) [system] 'C'=(;)
   Fail: (207) [system] 'C'=(;)
   Call: (207) [system] 'C'=(/)
   Fail: (207) [system] 'C'=(/)
^  Call: (207) [user] is_like_space('C')
   Call: (208) [system] char_type('C', 'white')
   Fail: (208) [system] char_type('C', 'white')
   Call: (208) [system] char_type('C', end_of_line)
   Fail: (208) [system] char_type('C', end_of_line)
   Call: (208) [system] char_type('C', space)
   Fail: (208) [system] char_type('C', space)
   Call: (208) [system] char_type('C', cntrl)
   Fail: (208) [system] char_type('C', cntrl)
^  Fail: (207) [user] is_like_space('C')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] get_char((0x563acd73bee0), _1563892)
   Exit: (206) [system] get_char((0x563acd73bee0), 'C')
   Call: (206) [system] 'C'='('
   Fail: (206) [system] 'C'='('
   Call: (206) [system] 'C'='['
   Fail: (206) [system] 'C'='['
   Call: (206) [system] 'C'='{'
   Fail: (206) [system] 'C'='{'
   Call: (206) [system] 'C'='"'
   Fail: (206) [system] 'C'='"'
   Call: (206) [system] 'C'=!
   Fail: (206) [system] 'C'=!
   Call: (206) [system] 'C'='\''
   Fail: (206) [system] 'C'='\''
   Call: (206) [system] 'C'='`'
   Fail: (206) [system] 'C'='`'
   Call: (206) [system] 'C'=end_of_file
   Fail: (206) [system] 'C'=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x563acd73bee0), 'C', _1546024)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1581534)
   Call: (208) [system] peek_char((0x563acd73bee0), _1582468)
   Exit: (208) [system] peek_char((0x563acd73bee0), ')')
^  Call: (208) [user] is_delimiter(')')
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] arg(_1587188, v('(', ')', end_of_file), ')')
   Exit: (209) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (208) [user] is_delimiter(')')
   Call: (208) [system] _1581534=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (207) [user] classify_and_convert_charseq(['C'], _1546024)
^  Call: (208) [user] classify_and_convert_charseq_(['C'], _1593624)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_1594576, _1594578), once(user:catch(read_from_chars(['C'], _1593624), _1594558, fail)), '$restore_trace'(_1594576, _1594578))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_1594576, _1594578))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1593624), _1594558, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_1593624)
   Fail: (209) [system] atomic(_1593624)
   Call: (209) [system] atom_chars(_1593624, ['C'])
   Exit: (209) [system] atom_chars('C', ['C'])
^  Exit: (208) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (208) [system] integer('C')
   Fail: (208) [system] integer('C')
   Call: (208) [system] _1546024='C'
   Exit: (208) [system] 'C'='C'
^  Exit: (207) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (206) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (205) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (205) [user] read_list(')', (0x563acd73bee0), _1608574)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1610432)
   Exit: (207) [system] peek_char((0x563acd73bee0), ')')
   Call: (207) [system] ')'=(;)
   Fail: (207) [system] ')'=(;)
   Call: (207) [system] ')'=(/)
   Fail: (207) [system] ')'=(/)
^  Call: (207) [user] is_like_space(')')
   Call: (208) [system] char_type(')', 'white')
   Fail: (208) [system] char_type(')', 'white')
   Call: (208) [system] char_type(')', end_of_line)
   Fail: (208) [system] char_type(')', end_of_line)
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] char_type(')', cntrl)
   Fail: (208) [system] char_type(')', cntrl)
^  Fail: (207) [user] is_like_space(')')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1626442)
   Exit: (206) [system] peek_char((0x563acd73bee0), ')')
   Call: (206) [system] ')'=')'
   Exit: (206) [system] ')'=')'
   Call: (206) [system] get_char((0x563acd73bee0), _1630232)
   Exit: (206) [system] get_char((0x563acd73bee0), ')')
   Call: (206) [system] _1608574=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_list(')', (0x563acd73bee0), [])
   Call: (205) [system] _1509364=['C']
   Exit: (205) [system] ['C']=['C']
^  Exit: (204) [user] read_list(')', (0x563acd73bee0), ['C'])
   Call: (204) [system] _1034540=[['AndLink', 'A', 'B'], 'C']
   Exit: (204) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (203) [user] read_list(')', (0x563acd73bee0), [['AndLink', 'A', 'B'], 'C'])
   Call: (203) [system] _761544=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (203) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (202) [user] read_list(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (201) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (201) [user] read_list(')', (0x563acd73bee0), _1644114)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1645972)
   Exit: (203) [system] peek_char((0x563acd73bee0), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
   Call: (203) [system] ')'=(/)
   Fail: (203) [system] ')'=(/)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1661982)
   Exit: (202) [system] peek_char((0x563acd73bee0), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x563acd73bee0), _1665772)
   Exit: (202) [system] get_char((0x563acd73bee0), ')')
   Call: (202) [system] _1644114=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x563acd73bee0), [])
   Call: (201) [system] _724884=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (201) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (200) [system] _3664=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (200) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (199) [system] _3656=['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (199) [system] ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (198) [user] read_list(')', (0x563acd73bee0), ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (197) [user] cont_sexpr(')', (0x563acd73bee0), ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _1679654)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1681512)
   Exit: (199) [system] peek_char((0x563acd73bee0), ')')
   Call: (199) [system] ')'=(;)
   Fail: (199) [system] ')'=(;)
   Call: (199) [system] ')'=(/)
   Fail: (199) [system] ')'=(/)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Fail: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Fail: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
   Fail: (200) [system] char_type(')', cntrl)
^  Fail: (199) [user] is_like_space(')')
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1697522)
   Exit: (198) [system] peek_char((0x563acd73bee0), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x563acd73bee0), _1701312)
   Exit: (198) [system] get_char((0x563acd73bee0), ')')
   Call: (198) [system] _1679654=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x563acd73bee0), [])
   Call: (197) [system] _3652=[['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (197) [system] [['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (196) [user] read_list(')', (0x563acd73bee0), [['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (196) [system] _3628=[['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (196) [system] [['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), [['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (195) [system] _3620=[:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (195) [system] [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (193) [user] cont_sexpr(')', (0x563acd73bee0), [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _1715194)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1717052)
   Exit: (195) [system] peek_char((0x563acd73bee0), '\n')
   Call: (195) [system] '\n'=(;)
   Fail: (195) [system] '\n'=(;)
   Call: (195) [system] '\n'=(/)
   Fail: (195) [system] '\n'=(/)
^  Call: (195) [user] is_like_space('\n')
   Call: (196) [system] char_type('\n', 'white')
   Fail: (196) [system] char_type('\n', 'white')
   Call: (196) [system] char_type('\n', end_of_line)
   Exit: (196) [system] char_type('\n', end_of_line)
^  Exit: (195) [user] is_like_space('\n')
   Call: (195) [system] get_char((0x563acd73bee0), _1728502)
   Exit: (195) [system] get_char((0x563acd73bee0), '\n')
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1731206)
   Exit: (196) [system] peek_char((0x563acd73bee0), '\t')
   Call: (196) [system] '\t'=(;)
   Fail: (196) [system] '\t'=(;)
   Call: (196) [system] '\t'=(/)
   Fail: (196) [system] '\t'=(/)
^  Call: (196) [user] is_like_space('\t')
   Call: (197) [system] char_type('\t', 'white')
   Exit: (197) [system] char_type('\t', 'white')
^  Exit: (196) [user] is_like_space('\t')
   Call: (196) [system] get_char((0x563acd73bee0), _1740800)
   Exit: (196) [system] get_char((0x563acd73bee0), '\t')
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1743504)
   Exit: (197) [system] peek_char((0x563acd73bee0), '\t')
   Call: (197) [system] '\t'=(;)
   Fail: (197) [system] '\t'=(;)
   Call: (197) [system] '\t'=(/)
   Fail: (197) [system] '\t'=(/)
^  Call: (197) [user] is_like_space('\t')
   Call: (198) [system] char_type('\t', 'white')
   Exit: (198) [system] char_type('\t', 'white')
^  Exit: (197) [user] is_like_space('\t')
   Call: (197) [system] get_char((0x563acd73bee0), _1753098)
   Exit: (197) [system] get_char((0x563acd73bee0), '\t')
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1755802)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x563acd73bee0), _1765396)
   Exit: (198) [system] get_char((0x563acd73bee0), ' ')
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1768100)
   Exit: (199) [system] peek_char((0x563acd73bee0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1787806)
   Exit: (194) [system] peek_char((0x563acd73bee0), '(')
   Call: (194) [system] '('=')'
   Fail: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
   Fail: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x563acd73bee0), _1793376)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1795234)
   Exit: (196) [system] peek_char((0x563acd73bee0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] get_char((0x563acd73bee0), _1811244)
   Exit: (195) [system] get_char((0x563acd73bee0), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _1793376)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1816814)
   Exit: (197) [system] peek_char((0x563acd73bee0), :)
   Call: (197) [system] (:)=(;)
   Fail: (197) [system] (:)=(;)
   Call: (197) [system] (:)=(/)
   Fail: (197) [system] (:)=(/)
^  Call: (197) [user] is_like_space(:)
   Call: (198) [system] char_type(:, 'white')
   Fail: (198) [system] char_type(:, 'white')
   Call: (198) [system] char_type(:, end_of_line)
   Fail: (198) [system] char_type(:, end_of_line)
   Call: (198) [system] char_type(:, space)
   Fail: (198) [system] char_type(:, space)
   Call: (198) [system] char_type(:, cntrl)
   Fail: (198) [system] char_type(:, cntrl)
^  Fail: (197) [user] is_like_space(:)
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1832824)
   Exit: (196) [system] peek_char((0x563acd73bee0), :)
   Call: (196) [system] (:)=')'
   Fail: (196) [system] (:)=')'
   Call: (196) [system] (:)=end_of_file
   Fail: (196) [system] (:)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x563acd73bee0), _1838394)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1840252)
   Exit: (198) [system] peek_char((0x563acd73bee0), :)
   Call: (198) [system] (:)=(;)
   Fail: (198) [system] (:)=(;)
   Call: (198) [system] (:)=(/)
   Fail: (198) [system] (:)=(/)
^  Call: (198) [user] is_like_space(:)
   Call: (199) [system] char_type(:, 'white')
   Fail: (199) [system] char_type(:, 'white')
   Call: (199) [system] char_type(:, end_of_line)
   Fail: (199) [system] char_type(:, end_of_line)
   Call: (199) [system] char_type(:, space)
   Fail: (199) [system] char_type(:, space)
   Call: (199) [system] char_type(:, cntrl)
   Fail: (199) [system] char_type(:, cntrl)
^  Fail: (198) [user] is_like_space(:)
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] get_char((0x563acd73bee0), _1856262)
   Exit: (197) [system] get_char((0x563acd73bee0), :)
   Call: (197) [system] (:)='('
   Fail: (197) [system] (:)='('
   Call: (197) [system] (:)='['
   Fail: (197) [system] (:)='['
   Call: (197) [system] (:)='{'
   Fail: (197) [system] (:)='{'
   Call: (197) [system] (:)='"'
   Fail: (197) [system] (:)='"'
   Call: (197) [system] (:)=!
   Fail: (197) [system] (:)=!
   Call: (197) [system] (:)='\''
   Fail: (197) [system] (:)='\''
   Call: (197) [system] (:)='`'
   Fail: (197) [system] (:)='`'
   Call: (197) [system] (:)=end_of_file
   Fail: (197) [system] (:)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x563acd73bee0), :, _1838394)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _1873904)
   Call: (199) [system] peek_char((0x563acd73bee0), _1874838)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (199) [user] is_delimiter(' ')
   Call: (200) [system] char_type(' ', space)
   Exit: (200) [system] char_type(' ', space)
^  Exit: (199) [user] is_delimiter(' ')
   Call: (199) [system] _1873904=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (198) [user] classify_and_convert_charseq([:], _1838394)
^  Call: (199) [user] classify_and_convert_charseq_([:], _1884122)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_1885074, _1885076), once(user:catch(read_from_chars([:], _1884122), _1885056, fail)), '$restore_trace'(_1885074, _1885076))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_1885074, _1885076))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1885056, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(:)
   Exit: (200) [system] atomic(:)
^  Exit: (199) [user] classify_and_convert_charseq_([:], :)
   Call: (199) [system] integer(:)
   Fail: (199) [system] integer(:)
   Call: (199) [system] _1838394=(:)
   Exit: (199) [system] (:)=(:)
^  Exit: (198) [user] classify_and_convert_charseq([:], :)
^  Exit: (197) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (196) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (196) [user] read_list(')', (0x563acd73bee0), _1897202)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1899060)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x563acd73bee0), _1908654)
   Exit: (198) [system] get_char((0x563acd73bee0), ' ')
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1911358)
   Exit: (199) [system] peek_char((0x563acd73bee0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1928292)
   Exit: (197) [system] peek_char((0x563acd73bee0), '(')
   Call: (197) [system] '('=')'
   Fail: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
   Fail: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x563acd73bee0), _1933862)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1935720)
   Exit: (199) [system] peek_char((0x563acd73bee0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] get_char((0x563acd73bee0), _1951730)
   Exit: (198) [system] get_char((0x563acd73bee0), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _1933862)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1957300)
   Exit: (200) [system] peek_char((0x563acd73bee0), 'C')
   Call: (200) [system] 'C'=(;)
   Fail: (200) [system] 'C'=(;)
   Call: (200) [system] 'C'=(/)
   Fail: (200) [system] 'C'=(/)
^  Call: (200) [user] is_like_space('C')
   Call: (201) [system] char_type('C', 'white')
   Fail: (201) [system] char_type('C', 'white')
   Call: (201) [system] char_type('C', end_of_line)
   Fail: (201) [system] char_type('C', end_of_line)
   Call: (201) [system] char_type('C', space)
   Fail: (201) [system] char_type('C', space)
   Call: (201) [system] char_type('C', cntrl)
   Fail: (201) [system] char_type('C', cntrl)
^  Fail: (200) [user] is_like_space('C')
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1973310)
   Exit: (199) [system] peek_char((0x563acd73bee0), 'C')
   Call: (199) [system] 'C'=')'
   Fail: (199) [system] 'C'=')'
   Call: (199) [system] 'C'=end_of_file
   Fail: (199) [system] 'C'=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x563acd73bee0), _1978880)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1980738)
   Exit: (201) [system] peek_char((0x563acd73bee0), 'C')
   Call: (201) [system] 'C'=(;)
   Fail: (201) [system] 'C'=(;)
   Call: (201) [system] 'C'=(/)
   Fail: (201) [system] 'C'=(/)
^  Call: (201) [user] is_like_space('C')
   Call: (202) [system] char_type('C', 'white')
   Fail: (202) [system] char_type('C', 'white')
   Call: (202) [system] char_type('C', end_of_line)
   Fail: (202) [system] char_type('C', end_of_line)
   Call: (202) [system] char_type('C', space)
   Fail: (202) [system] char_type('C', space)
   Call: (202) [system] char_type('C', cntrl)
   Fail: (202) [system] char_type('C', cntrl)
^  Fail: (201) [user] is_like_space('C')
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] get_char((0x563acd73bee0), _1996748)
   Exit: (200) [system] get_char((0x563acd73bee0), 'C')
   Call: (200) [system] 'C'='('
   Fail: (200) [system] 'C'='('
   Call: (200) [system] 'C'='['
   Fail: (200) [system] 'C'='['
   Call: (200) [system] 'C'='{'
   Fail: (200) [system] 'C'='{'
   Call: (200) [system] 'C'='"'
   Fail: (200) [system] 'C'='"'
   Call: (200) [system] 'C'=!
   Fail: (200) [system] 'C'=!
   Call: (200) [system] 'C'='\''
   Fail: (200) [system] 'C'='\''
   Call: (200) [system] 'C'='`'
   Fail: (200) [system] 'C'='`'
   Call: (200) [system] 'C'=end_of_file
   Fail: (200) [system] 'C'=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x563acd73bee0), 'C', _1978880)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _2014390)
   Call: (202) [system] peek_char((0x563acd73bee0), _2015324)
   Exit: (202) [system] peek_char((0x563acd73bee0), o)
^  Call: (202) [user] is_delimiter(o)
   Call: (203) [system] char_type(o, space)
   Fail: (203) [system] char_type(o, space)
   Call: (203) [system] arg(_2020044, v('(', ')', end_of_file), o)
   Fail: (203) [system] arg(_2020976, v('(', ')', end_of_file), o)
^  Fail: (202) [user] is_delimiter(o)
   Call: (202) [system] ')'==o
   Fail: (202) [system] ')'==o
   Call: (202) [system] get_char((0x563acd73bee0), o)
   Exit: (202) [system] get_char((0x563acd73bee0), o)
   Call: (202) [system] o=(\)
   Fail: (202) [system] o=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _2028326)
   Call: (203) [system] peek_char((0x563acd73bee0), _2029260)
   Exit: (203) [system] peek_char((0x563acd73bee0), n)
^  Call: (203) [user] is_delimiter(n)
   Call: (204) [system] char_type(n, space)
   Fail: (204) [system] char_type(n, space)
   Call: (204) [system] arg(_2033980, v('(', ')', end_of_file), n)
   Fail: (204) [system] arg(_2034912, v('(', ')', end_of_file), n)
^  Fail: (203) [user] is_delimiter(n)
   Call: (203) [system] ')'==n
   Fail: (203) [system] ')'==n
   Call: (203) [system] get_char((0x563acd73bee0), n)
   Exit: (203) [system] get_char((0x563acd73bee0), n)
   Call: (203) [system] n=(\)
   Fail: (203) [system] n=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _2042262)
   Call: (204) [system] peek_char((0x563acd73bee0), _2043196)
   Exit: (204) [system] peek_char((0x563acd73bee0), j)
^  Call: (204) [user] is_delimiter(j)
   Call: (205) [system] char_type(j, space)
   Fail: (205) [system] char_type(j, space)
   Call: (205) [system] arg(_2047916, v('(', ')', end_of_file), j)
   Fail: (205) [system] arg(_2048848, v('(', ')', end_of_file), j)
^  Fail: (204) [user] is_delimiter(j)
   Call: (204) [system] ')'==j
   Fail: (204) [system] ')'==j
   Call: (204) [system] get_char((0x563acd73bee0), j)
   Exit: (204) [system] get_char((0x563acd73bee0), j)
   Call: (204) [system] j=(\)
   Fail: (204) [system] j=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _2056198)
   Call: (205) [system] peek_char((0x563acd73bee0), _2057132)
   Exit: (205) [system] peek_char((0x563acd73bee0), u)
^  Call: (205) [user] is_delimiter(u)
   Call: (206) [system] char_type(u, space)
   Fail: (206) [system] char_type(u, space)
   Call: (206) [system] arg(_2061852, v('(', ')', end_of_file), u)
   Fail: (206) [system] arg(_2062784, v('(', ')', end_of_file), u)
^  Fail: (205) [user] is_delimiter(u)
   Call: (205) [system] ')'==u
   Fail: (205) [system] ')'==u
   Call: (205) [system] get_char((0x563acd73bee0), u)
   Exit: (205) [system] get_char((0x563acd73bee0), u)
   Call: (205) [system] u=(\)
   Fail: (205) [system] u=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _2070134)
   Call: (206) [system] peek_char((0x563acd73bee0), _2071068)
   Exit: (206) [system] peek_char((0x563acd73bee0), n)
^  Call: (206) [user] is_delimiter(n)
   Call: (207) [system] char_type(n, space)
   Fail: (207) [system] char_type(n, space)
   Call: (207) [system] arg(_2075788, v('(', ')', end_of_file), n)
   Fail: (207) [system] arg(_2076720, v('(', ')', end_of_file), n)
^  Fail: (206) [user] is_delimiter(n)
   Call: (206) [system] ')'==n
   Fail: (206) [system] ')'==n
   Call: (206) [system] get_char((0x563acd73bee0), n)
   Exit: (206) [system] get_char((0x563acd73bee0), n)
   Call: (206) [system] n=(\)
   Fail: (206) [system] n=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _2084070)
   Call: (207) [system] peek_char((0x563acd73bee0), _2085004)
   Exit: (207) [system] peek_char((0x563acd73bee0), c)
^  Call: (207) [user] is_delimiter(c)
   Call: (208) [system] char_type(c, space)
   Fail: (208) [system] char_type(c, space)
   Call: (208) [system] arg(_2089724, v('(', ')', end_of_file), c)
   Fail: (208) [system] arg(_2090656, v('(', ')', end_of_file), c)
^  Fail: (207) [user] is_delimiter(c)
   Call: (207) [system] ')'==c
   Fail: (207) [system] ')'==c
   Call: (207) [system] get_char((0x563acd73bee0), c)
   Exit: (207) [system] get_char((0x563acd73bee0), c)
   Call: (207) [system] c=(\)
   Fail: (207) [system] c=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _5078)
   Call: (208) [system] peek_char((0x563acd73bee0), _6012)
   Exit: (208) [system] peek_char((0x563acd73bee0), t)
^  Call: (208) [user] is_delimiter(t)
   Call: (209) [system] char_type(t, space)
   Fail: (209) [system] char_type(t, space)
   Call: (209) [system] arg(_10732, v('(', ')', end_of_file), t)
   Fail: (209) [system] arg(_11664, v('(', ')', end_of_file), t)
^  Fail: (208) [user] is_delimiter(t)
   Call: (208) [system] ')'==t
   Fail: (208) [system] ')'==t
   Call: (208) [system] get_char((0x563acd73bee0), t)
   Exit: (208) [system] get_char((0x563acd73bee0), t)
   Call: (208) [system] t=(\)
   Fail: (208) [system] t=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _19014)
   Call: (209) [system] peek_char((0x563acd73bee0), _19948)
   Exit: (209) [system] peek_char((0x563acd73bee0), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_24668, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_25600, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x563acd73bee0), i)
   Exit: (209) [system] get_char((0x563acd73bee0), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _32950)
   Call: (210) [system] peek_char((0x563acd73bee0), _33884)
   Exit: (210) [system] peek_char((0x563acd73bee0), o)
^  Call: (210) [user] is_delimiter(o)
   Call: (211) [system] char_type(o, space)
   Fail: (211) [system] char_type(o, space)
   Call: (211) [system] arg(_38604, v('(', ')', end_of_file), o)
   Fail: (211) [system] arg(_39536, v('(', ')', end_of_file), o)
^  Fail: (210) [user] is_delimiter(o)
   Call: (210) [system] ')'==o
   Fail: (210) [system] ')'==o
   Call: (210) [system] get_char((0x563acd73bee0), o)
   Exit: (210) [system] get_char((0x563acd73bee0), o)
   Call: (210) [system] o=(\)
   Fail: (210) [system] o=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _46886)
   Call: (211) [system] peek_char((0x563acd73bee0), _47820)
   Exit: (211) [system] peek_char((0x563acd73bee0), n)
^  Call: (211) [user] is_delimiter(n)
   Call: (212) [system] char_type(n, space)
   Fail: (212) [system] char_type(n, space)
   Call: (212) [system] arg(_52540, v('(', ')', end_of_file), n)
   Fail: (212) [system] arg(_53472, v('(', ')', end_of_file), n)
^  Fail: (211) [user] is_delimiter(n)
   Call: (211) [system] ')'==n
   Fail: (211) [system] ')'==n
   Call: (211) [system] get_char((0x563acd73bee0), n)
   Exit: (211) [system] get_char((0x563acd73bee0), n)
   Call: (211) [system] n=(\)
   Fail: (211) [system] n=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _60822)
   Call: (212) [system] peek_char((0x563acd73bee0), _61756)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'I')
^  Call: (212) [user] is_delimiter('I')
   Call: (213) [system] char_type('I', space)
   Fail: (213) [system] char_type('I', space)
   Call: (213) [system] arg(_66476, v('(', ')', end_of_file), 'I')
   Fail: (213) [system] arg(_67408, v('(', ')', end_of_file), 'I')
^  Fail: (212) [user] is_delimiter('I')
   Call: (212) [system] ')'=='I'
   Fail: (212) [system] ')'=='I'
   Call: (212) [system] get_char((0x563acd73bee0), 'I')
   Exit: (212) [system] get_char((0x563acd73bee0), 'I')
   Call: (212) [system] 'I'=(\)
   Fail: (212) [system] 'I'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _74758)
   Call: (213) [system] peek_char((0x563acd73bee0), _75692)
   Exit: (213) [system] peek_char((0x563acd73bee0), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_80412, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_81344, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x563acd73bee0), n)
   Exit: (213) [system] get_char((0x563acd73bee0), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _88694)
   Call: (214) [system] peek_char((0x563acd73bee0), _89628)
   Exit: (214) [system] peek_char((0x563acd73bee0), t)
^  Call: (214) [user] is_delimiter(t)
   Call: (215) [system] char_type(t, space)
   Fail: (215) [system] char_type(t, space)
   Call: (215) [system] arg(_94348, v('(', ')', end_of_file), t)
   Fail: (215) [system] arg(_95280, v('(', ')', end_of_file), t)
^  Fail: (214) [user] is_delimiter(t)
   Call: (214) [system] ')'==t
   Fail: (214) [system] ')'==t
   Call: (214) [system] get_char((0x563acd73bee0), t)
   Exit: (214) [system] get_char((0x563acd73bee0), t)
   Call: (214) [system] t=(\)
   Fail: (214) [system] t=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _102630)
   Call: (215) [system] peek_char((0x563acd73bee0), _103564)
   Exit: (215) [system] peek_char((0x563acd73bee0), r)
^  Call: (215) [user] is_delimiter(r)
   Call: (216) [system] char_type(r, space)
   Fail: (216) [system] char_type(r, space)
   Call: (216) [system] arg(_108284, v('(', ')', end_of_file), r)
   Fail: (216) [system] arg(_109216, v('(', ')', end_of_file), r)
^  Fail: (215) [user] is_delimiter(r)
   Call: (215) [system] ')'==r
   Fail: (215) [system] ')'==r
   Call: (215) [system] get_char((0x563acd73bee0), r)
   Exit: (215) [system] get_char((0x563acd73bee0), r)
   Call: (215) [system] r=(\)
   Fail: (215) [system] r=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _116566)
   Call: (216) [system] peek_char((0x563acd73bee0), _117500)
   Exit: (216) [system] peek_char((0x563acd73bee0), o)
^  Call: (216) [user] is_delimiter(o)
   Call: (217) [system] char_type(o, space)
   Fail: (217) [system] char_type(o, space)
   Call: (217) [system] arg(_122220, v('(', ')', end_of_file), o)
   Fail: (217) [system] arg(_123152, v('(', ')', end_of_file), o)
^  Fail: (216) [user] is_delimiter(o)
   Call: (216) [system] ')'==o
   Fail: (216) [system] ')'==o
   Call: (216) [system] get_char((0x563acd73bee0), o)
   Exit: (216) [system] get_char((0x563acd73bee0), o)
   Call: (216) [system] o=(\)
   Fail: (216) [system] o=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _130502)
   Call: (217) [system] peek_char((0x563acd73bee0), _131436)
   Exit: (217) [system] peek_char((0x563acd73bee0), d)
^  Call: (217) [user] is_delimiter(d)
   Call: (218) [system] char_type(d, space)
   Fail: (218) [system] char_type(d, space)
   Call: (218) [system] arg(_136156, v('(', ')', end_of_file), d)
   Fail: (218) [system] arg(_137088, v('(', ')', end_of_file), d)
^  Fail: (217) [user] is_delimiter(d)
   Call: (217) [system] ')'==d
   Fail: (217) [system] ')'==d
   Call: (217) [system] get_char((0x563acd73bee0), d)
   Exit: (217) [system] get_char((0x563acd73bee0), d)
   Call: (217) [system] d=(\)
   Fail: (217) [system] d=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _144438)
   Call: (218) [system] peek_char((0x563acd73bee0), _145372)
   Exit: (218) [system] peek_char((0x563acd73bee0), u)
^  Call: (218) [user] is_delimiter(u)
   Call: (219) [system] char_type(u, space)
   Fail: (219) [system] char_type(u, space)
   Call: (219) [system] arg(_150092, v('(', ')', end_of_file), u)
   Fail: (219) [system] arg(_151024, v('(', ')', end_of_file), u)
^  Fail: (218) [user] is_delimiter(u)
   Call: (218) [system] ')'==u
   Fail: (218) [system] ')'==u
   Call: (218) [system] get_char((0x563acd73bee0), u)
   Exit: (218) [system] get_char((0x563acd73bee0), u)
   Call: (218) [system] u=(\)
   Fail: (218) [system] u=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _158374)
   Call: (219) [system] peek_char((0x563acd73bee0), _159308)
   Exit: (219) [system] peek_char((0x563acd73bee0), c)
^  Call: (219) [user] is_delimiter(c)
   Call: (220) [system] char_type(c, space)
   Fail: (220) [system] char_type(c, space)
   Call: (220) [system] arg(_164028, v('(', ')', end_of_file), c)
   Fail: (220) [system] arg(_164960, v('(', ')', end_of_file), c)
^  Fail: (219) [user] is_delimiter(c)
   Call: (219) [system] ')'==c
   Fail: (219) [system] ')'==c
   Call: (219) [system] get_char((0x563acd73bee0), c)
   Exit: (219) [system] get_char((0x563acd73bee0), c)
   Call: (219) [system] c=(\)
   Fail: (219) [system] c=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _172310)
   Call: (220) [system] peek_char((0x563acd73bee0), _173244)
   Exit: (220) [system] peek_char((0x563acd73bee0), t)
^  Call: (220) [user] is_delimiter(t)
   Call: (221) [system] char_type(t, space)
   Fail: (221) [system] char_type(t, space)
   Call: (221) [system] arg(_177964, v('(', ')', end_of_file), t)
   Fail: (221) [system] arg(_178896, v('(', ')', end_of_file), t)
^  Fail: (220) [user] is_delimiter(t)
   Call: (220) [system] ')'==t
   Fail: (220) [system] ')'==t
   Call: (220) [system] get_char((0x563acd73bee0), t)
   Exit: (220) [system] get_char((0x563acd73bee0), t)
   Call: (220) [system] t=(\)
   Fail: (220) [system] t=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _186246)
   Call: (221) [system] peek_char((0x563acd73bee0), _187180)
   Exit: (221) [system] peek_char((0x563acd73bee0), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_191900, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_192832, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x563acd73bee0), i)
   Exit: (221) [system] get_char((0x563acd73bee0), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _200182)
   Call: (222) [system] peek_char((0x563acd73bee0), _201116)
   Exit: (222) [system] peek_char((0x563acd73bee0), o)
^  Call: (222) [user] is_delimiter(o)
   Call: (223) [system] char_type(o, space)
   Fail: (223) [system] char_type(o, space)
   Call: (223) [system] arg(_205836, v('(', ')', end_of_file), o)
   Fail: (223) [system] arg(_206768, v('(', ')', end_of_file), o)
^  Fail: (222) [user] is_delimiter(o)
   Call: (222) [system] ')'==o
   Fail: (222) [system] ')'==o
   Call: (222) [system] get_char((0x563acd73bee0), o)
   Exit: (222) [system] get_char((0x563acd73bee0), o)
   Call: (222) [system] o=(\)
   Fail: (222) [system] o=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _214118)
   Call: (223) [system] peek_char((0x563acd73bee0), _215052)
   Exit: (223) [system] peek_char((0x563acd73bee0), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_219772, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_220704, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x563acd73bee0), n)
   Exit: (223) [system] get_char((0x563acd73bee0), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _228054)
   Call: (224) [system] peek_char((0x563acd73bee0), _228988)
   Exit: (224) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _228054=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (223) [system] _214118=[n]
   Exit: (223) [system] [n]=[n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (222) [system] _200182=[o, n]
   Exit: (222) [system] [o, n]=[o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (221) [system] _186246=[i, o, n]
   Exit: (221) [system] [i, o, n]=[i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (220) [system] _172310=[t, i, o, n]
   Exit: (220) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (219) [system] _158374=[c, t, i, o, n]
   Exit: (219) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n])
   Call: (218) [system] _144438=[u, c, t, i, o, n]
   Exit: (218) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, i, o, n])
   Call: (217) [system] _130502=[d, u, c, t, i, o, n]
   Exit: (217) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, u, c, t, i, o, n])
   Call: (216) [system] _116566=[o, d, u, c, t, i, o, n]
   Exit: (216) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, d, u, c, t, i, o, n])
   Call: (215) [system] _102630=[r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _88694=[t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _74758=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _60822=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _46886=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _32950=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _19014=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _5078=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (207) [system] _3794=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (207) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (206) [system] _3790=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (206) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (205) [system] _3786=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (205) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (204) [system] _3782=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (204) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (203) [system] _3778=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (203) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (202) [system] _3774=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (202) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (201) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _3770)
^  Call: (202) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _299740)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_300692, _300694), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _299740), _300674, fail)), '$restore_trace'(_300692, _300694))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_300692, _300694))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _299740), _300674, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(_299740)
   Fail: (203) [system] atomic(_299740)
   Call: (203) [system] atom_chars(_299740, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (203) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (202) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
   Call: (202) [system] integer('ConjunctionIntroduction')
   Fail: (202) [system] integer('ConjunctionIntroduction')
   Call: (202) [system] _3770='ConjunctionIntroduction'
   Exit: (202) [system] 'ConjunctionIntroduction'='ConjunctionIntroduction'
^  Exit: (201) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (200) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'ConjunctionIntroduction')
^  Exit: (199) [user] cont_sexpr(')', (0x563acd73bee0), 'ConjunctionIntroduction')
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _314690)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _316548)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _326142)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _328846)
   Exit: (202) [system] peek_char((0x563acd73bee0), a)
   Call: (202) [system] a=(;)
   Fail: (202) [system] a=(;)
   Call: (202) [system] a=(/)
   Fail: (202) [system] a=(/)
^  Call: (202) [user] is_like_space(a)
   Call: (203) [system] char_type(a, 'white')
   Fail: (203) [system] char_type(a, 'white')
   Call: (203) [system] char_type(a, end_of_line)
   Fail: (203) [system] char_type(a, end_of_line)
   Call: (203) [system] char_type(a, space)
   Fail: (203) [system] char_type(a, space)
   Call: (203) [system] char_type(a, cntrl)
   Fail: (203) [system] char_type(a, cntrl)
^  Fail: (202) [user] is_like_space(a)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _345780)
   Exit: (200) [system] peek_char((0x563acd73bee0), a)
   Call: (200) [system] a=')'
   Fail: (200) [system] a=')'
   Call: (200) [system] a=end_of_file
   Fail: (200) [system] a=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x563acd73bee0), _351350)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _353208)
   Exit: (202) [system] peek_char((0x563acd73bee0), a)
   Call: (202) [system] a=(;)
   Fail: (202) [system] a=(;)
   Call: (202) [system] a=(/)
   Fail: (202) [system] a=(/)
^  Call: (202) [user] is_like_space(a)
   Call: (203) [system] char_type(a, 'white')
   Fail: (203) [system] char_type(a, 'white')
   Call: (203) [system] char_type(a, end_of_line)
   Fail: (203) [system] char_type(a, end_of_line)
   Call: (203) [system] char_type(a, space)
   Fail: (203) [system] char_type(a, space)
   Call: (203) [system] char_type(a, cntrl)
   Fail: (203) [system] char_type(a, cntrl)
^  Fail: (202) [user] is_like_space(a)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] get_char((0x563acd73bee0), _369218)
   Exit: (201) [system] get_char((0x563acd73bee0), a)
   Call: (201) [system] a='('
   Fail: (201) [system] a='('
   Call: (201) [system] a='['
   Fail: (201) [system] a='['
   Call: (201) [system] a='{'
   Fail: (201) [system] a='{'
   Call: (201) [system] a='"'
   Fail: (201) [system] a='"'
   Call: (201) [system] a=!
   Fail: (201) [system] a=!
   Call: (201) [system] a='\''
   Fail: (201) [system] a='\''
   Call: (201) [system] a='`'
   Fail: (201) [system] a='`'
   Call: (201) [system] a=end_of_file
   Fail: (201) [system] a=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x563acd73bee0), a, _351350)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _386860)
   Call: (203) [system] peek_char((0x563acd73bee0), _387794)
   Exit: (203) [system] peek_char((0x563acd73bee0), b)
^  Call: (203) [user] is_delimiter(b)
   Call: (204) [system] char_type(b, space)
   Fail: (204) [system] char_type(b, space)
   Call: (204) [system] arg(_392514, v('(', ')', end_of_file), b)
   Fail: (204) [system] arg(_393446, v('(', ')', end_of_file), b)
^  Fail: (203) [user] is_delimiter(b)
   Call: (203) [system] ')'==b
   Fail: (203) [system] ')'==b
   Call: (203) [system] get_char((0x563acd73bee0), b)
   Exit: (203) [system] get_char((0x563acd73bee0), b)
   Call: (203) [system] b=(\)
   Fail: (203) [system] b=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _400796)
   Call: (204) [system] peek_char((0x563acd73bee0), _401730)
   Exit: (204) [system] peek_char((0x563acd73bee0), c)
^  Call: (204) [user] is_delimiter(c)
   Call: (205) [system] char_type(c, space)
   Fail: (205) [system] char_type(c, space)
   Call: (205) [system] arg(_406450, v('(', ')', end_of_file), c)
   Fail: (205) [system] arg(_407382, v('(', ')', end_of_file), c)
^  Fail: (204) [user] is_delimiter(c)
   Call: (204) [system] ')'==c
   Fail: (204) [system] ')'==c
   Call: (204) [system] get_char((0x563acd73bee0), c)
   Exit: (204) [system] get_char((0x563acd73bee0), c)
   Call: (204) [system] c=(\)
   Fail: (204) [system] c=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _414732)
   Call: (205) [system] peek_char((0x563acd73bee0), _415666)
   Exit: (205) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _414732=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (204) [system] _400796=[c]
   Exit: (204) [system] [c]=[c]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [c])
   Call: (203) [system] _386860=[b, c]
   Exit: (203) [system] [b, c]=[b, c]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [b, c])
^  Call: (202) [user] classify_and_convert_charseq([a, b, c], _351350)
^  Call: (203) [user] classify_and_convert_charseq_([a, b, c], _430538)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_431490, _431492), once(user:catch(read_from_chars([a, b, c], _430538), _431472, fail)), '$restore_trace'(_431490, _431492))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_431490, _431492))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _431472, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(abc)
   Exit: (204) [system] atomic(abc)
^  Exit: (203) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (203) [system] integer(abc)
   Fail: (203) [system] integer(abc)
   Call: (203) [system] _351350=abc
   Exit: (203) [system] abc=abc
^  Exit: (202) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (201) [user] read_symbolic(')', (0x563acd73bee0), a, abc)
^  Exit: (200) [user] cont_sexpr(')', (0x563acd73bee0), abc)
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _443618)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _445476)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x563acd73bee0), _455070)
   Exit: (202) [system] get_char((0x563acd73bee0), ' ')
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _457774)
   Exit: (203) [system] peek_char((0x563acd73bee0), c)
   Call: (203) [system] c=(;)
   Fail: (203) [system] c=(;)
   Call: (203) [system] c=(/)
   Fail: (203) [system] c=(/)
^  Call: (203) [user] is_like_space(c)
   Call: (204) [system] char_type(c, 'white')
   Fail: (204) [system] char_type(c, 'white')
   Call: (204) [system] char_type(c, end_of_line)
   Fail: (204) [system] char_type(c, end_of_line)
   Call: (204) [system] char_type(c, space)
   Fail: (204) [system] char_type(c, space)
   Call: (204) [system] char_type(c, cntrl)
   Fail: (204) [system] char_type(c, cntrl)
^  Fail: (203) [user] is_like_space(c)
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _474708)
   Exit: (201) [system] peek_char((0x563acd73bee0), c)
   Call: (201) [system] c=')'
   Fail: (201) [system] c=')'
   Call: (201) [system] c=end_of_file
   Fail: (201) [system] c=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x563acd73bee0), _480278)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _482136)
   Exit: (203) [system] peek_char((0x563acd73bee0), c)
   Call: (203) [system] c=(;)
   Fail: (203) [system] c=(;)
   Call: (203) [system] c=(/)
   Fail: (203) [system] c=(/)
^  Call: (203) [user] is_like_space(c)
   Call: (204) [system] char_type(c, 'white')
   Fail: (204) [system] char_type(c, 'white')
   Call: (204) [system] char_type(c, end_of_line)
   Fail: (204) [system] char_type(c, end_of_line)
   Call: (204) [system] char_type(c, space)
   Fail: (204) [system] char_type(c, space)
   Call: (204) [system] char_type(c, cntrl)
   Fail: (204) [system] char_type(c, cntrl)
^  Fail: (203) [user] is_like_space(c)
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] get_char((0x563acd73bee0), _498146)
   Exit: (202) [system] get_char((0x563acd73bee0), c)
   Call: (202) [system] c='('
   Fail: (202) [system] c='('
   Call: (202) [system] c='['
   Fail: (202) [system] c='['
   Call: (202) [system] c='{'
   Fail: (202) [system] c='{'
   Call: (202) [system] c='"'
   Fail: (202) [system] c='"'
   Call: (202) [system] c=!
   Fail: (202) [system] c=!
   Call: (202) [system] c='\''
   Fail: (202) [system] c='\''
   Call: (202) [system] c='`'
   Fail: (202) [system] c='`'
   Call: (202) [system] c=end_of_file
   Fail: (202) [system] c=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x563acd73bee0), c, _480278)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _515788)
   Call: (204) [system] peek_char((0x563acd73bee0), _516722)
   Exit: (204) [system] peek_char((0x563acd73bee0), d)
^  Call: (204) [user] is_delimiter(d)
   Call: (205) [system] char_type(d, space)
   Fail: (205) [system] char_type(d, space)
   Call: (205) [system] arg(_521442, v('(', ')', end_of_file), d)
   Fail: (205) [system] arg(_522374, v('(', ')', end_of_file), d)
^  Fail: (204) [user] is_delimiter(d)
   Call: (204) [system] ')'==d
   Fail: (204) [system] ')'==d
   Call: (204) [system] get_char((0x563acd73bee0), d)
   Exit: (204) [system] get_char((0x563acd73bee0), d)
   Call: (204) [system] d=(\)
   Fail: (204) [system] d=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _529724)
   Call: (205) [system] peek_char((0x563acd73bee0), _530658)
   Exit: (205) [system] peek_char((0x563acd73bee0), e)
^  Call: (205) [user] is_delimiter(e)
   Call: (206) [system] char_type(e, space)
   Fail: (206) [system] char_type(e, space)
   Call: (206) [system] arg(_535378, v('(', ')', end_of_file), e)
   Fail: (206) [system] arg(_536310, v('(', ')', end_of_file), e)
^  Fail: (205) [user] is_delimiter(e)
   Call: (205) [system] ')'==e
   Fail: (205) [system] ')'==e
   Call: (205) [system] get_char((0x563acd73bee0), e)
   Exit: (205) [system] get_char((0x563acd73bee0), e)
   Call: (205) [system] e=(\)
   Fail: (205) [system] e=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _543660)
   Call: (206) [system] peek_char((0x563acd73bee0), _544594)
   Exit: (206) [system] peek_char((0x563acd73bee0), ')')
^  Call: (206) [user] is_delimiter(')')
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] arg(_549314, v('(', ')', end_of_file), ')')
   Exit: (207) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (206) [user] is_delimiter(')')
   Call: (206) [system] _543660=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (205) [system] _529724=[e]
   Exit: (205) [system] [e]=[e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [e])
   Call: (204) [system] _515788=[d, e]
   Exit: (204) [system] [d, e]=[d, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, e])
^  Call: (203) [user] classify_and_convert_charseq([c, d, e], _480278)
^  Call: (204) [user] classify_and_convert_charseq_([c, d, e], _561338)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_562290, _562292), once(user:catch(read_from_chars([c, d, e], _561338), _562272, fail)), '$restore_trace'(_562290, _562292))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_562290, _562292))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _562272, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(cde)
   Exit: (205) [system] atomic(cde)
^  Exit: (204) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (204) [system] integer(cde)
   Fail: (204) [system] integer(cde)
   Call: (204) [system] _480278=cde
   Exit: (204) [system] cde=cde
^  Exit: (203) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (202) [user] read_symbolic(')', (0x563acd73bee0), c, cde)
^  Exit: (201) [user] cont_sexpr(')', (0x563acd73bee0), cde)
^  Call: (201) [user] read_list(')', (0x563acd73bee0), _574418)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _576276)
   Exit: (203) [system] peek_char((0x563acd73bee0), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
   Call: (203) [system] ')'=(/)
   Fail: (203) [system] ')'=(/)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _592286)
   Exit: (202) [system] peek_char((0x563acd73bee0), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x563acd73bee0), _596076)
   Exit: (202) [system] get_char((0x563acd73bee0), ')')
   Call: (202) [system] _574418=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x563acd73bee0), [])
   Call: (201) [system] _443618=[cde]
   Exit: (201) [system] [cde]=[cde]
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), [cde])
   Call: (200) [system] _314690=[abc, cde]
   Exit: (200) [system] [abc, cde]=[abc, cde]
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), [abc, cde])
   Call: (199) [system] _3764=['ConjunctionIntroduction', abc, cde]
   Exit: (199) [system] ['ConjunctionIntroduction', abc, cde]=['ConjunctionIntroduction', abc, cde]
^  Exit: (198) [user] read_list(')', (0x563acd73bee0), ['ConjunctionIntroduction', abc, cde])
^  Exit: (197) [user] cont_sexpr(')', (0x563acd73bee0), ['ConjunctionIntroduction', abc, cde])
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _609958)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _611816)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x563acd73bee0), _621410)
   Exit: (199) [system] get_char((0x563acd73bee0), ' ')
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _624114)
   Exit: (200) [system] peek_char((0x563acd73bee0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _641048)
   Exit: (198) [system] peek_char((0x563acd73bee0), '(')
   Call: (198) [system] '('=')'
   Fail: (198) [system] '('=')'
   Call: (198) [system] '('=end_of_file
   Fail: (198) [system] '('=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x563acd73bee0), _646618)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _648476)
   Exit: (200) [system] peek_char((0x563acd73bee0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] get_char((0x563acd73bee0), _664486)
   Exit: (199) [system] get_char((0x563acd73bee0), '(')
   Call: (199) [system] '('='('
   Exit: (199) [system] '('='('
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _646618)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _670056)
   Exit: (201) [system] peek_char((0x563acd73bee0), 'A')
   Call: (201) [system] 'A'=(;)
   Fail: (201) [system] 'A'=(;)
   Call: (201) [system] 'A'=(/)
   Fail: (201) [system] 'A'=(/)
^  Call: (201) [user] is_like_space('A')
   Call: (202) [system] char_type('A', 'white')
   Fail: (202) [system] char_type('A', 'white')
   Call: (202) [system] char_type('A', end_of_line)
   Fail: (202) [system] char_type('A', end_of_line)
   Call: (202) [system] char_type('A', space)
   Fail: (202) [system] char_type('A', space)
   Call: (202) [system] char_type('A', cntrl)
   Fail: (202) [system] char_type('A', cntrl)
^  Fail: (201) [user] is_like_space('A')
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _686066)
   Exit: (200) [system] peek_char((0x563acd73bee0), 'A')
   Call: (200) [system] 'A'=')'
   Fail: (200) [system] 'A'=')'
   Call: (200) [system] 'A'=end_of_file
   Fail: (200) [system] 'A'=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x563acd73bee0), _691636)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _693494)
   Exit: (202) [system] peek_char((0x563acd73bee0), 'A')
   Call: (202) [system] 'A'=(;)
   Fail: (202) [system] 'A'=(;)
   Call: (202) [system] 'A'=(/)
   Fail: (202) [system] 'A'=(/)
^  Call: (202) [user] is_like_space('A')
   Call: (203) [system] char_type('A', 'white')
   Fail: (203) [system] char_type('A', 'white')
   Call: (203) [system] char_type('A', end_of_line)
   Fail: (203) [system] char_type('A', end_of_line)
   Call: (203) [system] char_type('A', space)
   Fail: (203) [system] char_type('A', space)
   Call: (203) [system] char_type('A', cntrl)
   Fail: (203) [system] char_type('A', cntrl)
^  Fail: (202) [user] is_like_space('A')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] get_char((0x563acd73bee0), _709504)
   Exit: (201) [system] get_char((0x563acd73bee0), 'A')
   Call: (201) [system] 'A'='('
   Fail: (201) [system] 'A'='('
   Call: (201) [system] 'A'='['
   Fail: (201) [system] 'A'='['
   Call: (201) [system] 'A'='{'
   Fail: (201) [system] 'A'='{'
   Call: (201) [system] 'A'='"'
   Fail: (201) [system] 'A'='"'
   Call: (201) [system] 'A'=!
   Fail: (201) [system] 'A'=!
   Call: (201) [system] 'A'='\''
   Fail: (201) [system] 'A'='\''
   Call: (201) [system] 'A'='`'
   Fail: (201) [system] 'A'='`'
   Call: (201) [system] 'A'=end_of_file
   Fail: (201) [system] 'A'=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x563acd73bee0), 'A', _691636)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _727146)
   Call: (203) [system] peek_char((0x563acd73bee0), _728080)
   Exit: (203) [system] peek_char((0x563acd73bee0), n)
^  Call: (203) [user] is_delimiter(n)
   Call: (204) [system] char_type(n, space)
   Fail: (204) [system] char_type(n, space)
   Call: (204) [system] arg(_732800, v('(', ')', end_of_file), n)
   Fail: (204) [system] arg(_733732, v('(', ')', end_of_file), n)
^  Fail: (203) [user] is_delimiter(n)
   Call: (203) [system] ')'==n
   Fail: (203) [system] ')'==n
   Call: (203) [system] get_char((0x563acd73bee0), n)
   Exit: (203) [system] get_char((0x563acd73bee0), n)
   Call: (203) [system] n=(\)
   Fail: (203) [system] n=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _741082)
   Call: (204) [system] peek_char((0x563acd73bee0), _742016)
   Exit: (204) [system] peek_char((0x563acd73bee0), d)
^  Call: (204) [user] is_delimiter(d)
   Call: (205) [system] char_type(d, space)
   Fail: (205) [system] char_type(d, space)
   Call: (205) [system] arg(_746736, v('(', ')', end_of_file), d)
   Fail: (205) [system] arg(_747668, v('(', ')', end_of_file), d)
^  Fail: (204) [user] is_delimiter(d)
   Call: (204) [system] ')'==d
   Fail: (204) [system] ')'==d
   Call: (204) [system] get_char((0x563acd73bee0), d)
   Exit: (204) [system] get_char((0x563acd73bee0), d)
   Call: (204) [system] d=(\)
   Fail: (204) [system] d=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _755018)
   Call: (205) [system] peek_char((0x563acd73bee0), _755952)
   Exit: (205) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (205) [user] is_delimiter('L')
   Call: (206) [system] char_type('L', space)
   Fail: (206) [system] char_type('L', space)
   Call: (206) [system] arg(_760672, v('(', ')', end_of_file), 'L')
   Fail: (206) [system] arg(_761604, v('(', ')', end_of_file), 'L')
^  Fail: (205) [user] is_delimiter('L')
   Call: (205) [system] ')'=='L'
   Fail: (205) [system] ')'=='L'
   Call: (205) [system] get_char((0x563acd73bee0), 'L')
   Exit: (205) [system] get_char((0x563acd73bee0), 'L')
   Call: (205) [system] 'L'=(\)
   Fail: (205) [system] 'L'=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _768954)
   Call: (206) [system] peek_char((0x563acd73bee0), _769888)
   Exit: (206) [system] peek_char((0x563acd73bee0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_774608, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_775540, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x563acd73bee0), i)
   Exit: (206) [system] get_char((0x563acd73bee0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _782890)
   Call: (207) [system] peek_char((0x563acd73bee0), _783824)
   Exit: (207) [system] peek_char((0x563acd73bee0), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Fail: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_788544, v('(', ')', end_of_file), n)
   Fail: (208) [system] arg(_789476, v('(', ')', end_of_file), n)
^  Fail: (207) [user] is_delimiter(n)
   Call: (207) [system] ')'==n
   Fail: (207) [system] ')'==n
   Call: (207) [system] get_char((0x563acd73bee0), n)
   Exit: (207) [system] get_char((0x563acd73bee0), n)
   Call: (207) [system] n=(\)
   Fail: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _796826)
   Call: (208) [system] peek_char((0x563acd73bee0), _797760)
   Exit: (208) [system] peek_char((0x563acd73bee0), k)
^  Call: (208) [user] is_delimiter(k)
   Call: (209) [system] char_type(k, space)
   Fail: (209) [system] char_type(k, space)
   Call: (209) [system] arg(_802480, v('(', ')', end_of_file), k)
   Fail: (209) [system] arg(_803412, v('(', ')', end_of_file), k)
^  Fail: (208) [user] is_delimiter(k)
   Call: (208) [system] ')'==k
   Fail: (208) [system] ')'==k
   Call: (208) [system] get_char((0x563acd73bee0), k)
   Exit: (208) [system] get_char((0x563acd73bee0), k)
   Call: (208) [system] k=(\)
   Fail: (208) [system] k=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _810762)
   Call: (209) [system] peek_char((0x563acd73bee0), _811696)
   Exit: (209) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _810762=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (208) [system] _796826=[k]
   Exit: (208) [system] [k]=[k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (207) [system] _782890=[n, k]
   Exit: (207) [system] [n, k]=[n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (206) [system] _768954=[i, n, k]
   Exit: (206) [system] [i, n, k]=[i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (205) [system] _755018=['L', i, n, k]
   Exit: (205) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (204) [system] _741082=[d, 'L', i, n, k]
   Exit: (204) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, 'L', i, n, k])
   Call: (203) [system] _727146=[n, d, 'L', i, n, k]
   Exit: (203) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, d, 'L', i, n, k])
^  Call: (202) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _691636)
^  Call: (203) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _837744)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_838696, _838698), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _837744), _838678, fail)), '$restore_trace'(_838696, _838698))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_838696, _838698))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _837744), _838678, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(_837744)
   Fail: (204) [system] atomic(_837744)
   Call: (204) [system] atom_chars(_837744, ['A', n, d, 'L', i, n, k])
   Exit: (204) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (203) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (203) [system] integer('AndLink')
   Fail: (203) [system] integer('AndLink')
   Call: (203) [system] _691636='AndLink'
   Exit: (203) [system] 'AndLink'='AndLink'
^  Exit: (202) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (201) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'AndLink')
^  Exit: (200) [user] cont_sexpr(')', (0x563acd73bee0), 'AndLink')
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _852694)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _854552)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x563acd73bee0), _864146)
   Exit: (202) [system] get_char((0x563acd73bee0), ' ')
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _866850)
   Exit: (203) [system] peek_char((0x563acd73bee0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _883784)
   Exit: (201) [system] peek_char((0x563acd73bee0), '(')
   Call: (201) [system] '('=')'
   Fail: (201) [system] '('=')'
   Call: (201) [system] '('=end_of_file
   Fail: (201) [system] '('=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x563acd73bee0), _889354)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _891212)
   Exit: (203) [system] peek_char((0x563acd73bee0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] get_char((0x563acd73bee0), _907222)
   Exit: (202) [system] get_char((0x563acd73bee0), '(')
   Call: (202) [system] '('='('
   Exit: (202) [system] '('='('
^  Call: (202) [user] read_list(')', (0x563acd73bee0), _889354)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _912792)
   Exit: (204) [system] peek_char((0x563acd73bee0), 'I')
   Call: (204) [system] 'I'=(;)
   Fail: (204) [system] 'I'=(;)
   Call: (204) [system] 'I'=(/)
   Fail: (204) [system] 'I'=(/)
^  Call: (204) [user] is_like_space('I')
   Call: (205) [system] char_type('I', 'white')
   Fail: (205) [system] char_type('I', 'white')
   Call: (205) [system] char_type('I', end_of_line)
   Fail: (205) [system] char_type('I', end_of_line)
   Call: (205) [system] char_type('I', space)
   Fail: (205) [system] char_type('I', space)
   Call: (205) [system] char_type('I', cntrl)
   Fail: (205) [system] char_type('I', cntrl)
^  Fail: (204) [user] is_like_space('I')
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _928802)
   Exit: (203) [system] peek_char((0x563acd73bee0), 'I')
   Call: (203) [system] 'I'=')'
   Fail: (203) [system] 'I'=')'
   Call: (203) [system] 'I'=end_of_file
   Fail: (203) [system] 'I'=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x563acd73bee0), _934372)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _936230)
   Exit: (205) [system] peek_char((0x563acd73bee0), 'I')
   Call: (205) [system] 'I'=(;)
   Fail: (205) [system] 'I'=(;)
   Call: (205) [system] 'I'=(/)
   Fail: (205) [system] 'I'=(/)
^  Call: (205) [user] is_like_space('I')
   Call: (206) [system] char_type('I', 'white')
   Fail: (206) [system] char_type('I', 'white')
   Call: (206) [system] char_type('I', end_of_line)
   Fail: (206) [system] char_type('I', end_of_line)
   Call: (206) [system] char_type('I', space)
   Fail: (206) [system] char_type('I', space)
   Call: (206) [system] char_type('I', cntrl)
   Fail: (206) [system] char_type('I', cntrl)
^  Fail: (205) [user] is_like_space('I')
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] get_char((0x563acd73bee0), _952240)
   Exit: (204) [system] get_char((0x563acd73bee0), 'I')
   Call: (204) [system] 'I'='('
   Fail: (204) [system] 'I'='('
   Call: (204) [system] 'I'='['
   Fail: (204) [system] 'I'='['
   Call: (204) [system] 'I'='{'
   Fail: (204) [system] 'I'='{'
   Call: (204) [system] 'I'='"'
   Fail: (204) [system] 'I'='"'
   Call: (204) [system] 'I'=!
   Fail: (204) [system] 'I'=!
   Call: (204) [system] 'I'='\''
   Fail: (204) [system] 'I'='\''
   Call: (204) [system] 'I'='`'
   Fail: (204) [system] 'I'='`'
   Call: (204) [system] 'I'=end_of_file
   Fail: (204) [system] 'I'=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x563acd73bee0), 'I', _934372)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _969882)
   Call: (206) [system] peek_char((0x563acd73bee0), _970816)
   Exit: (206) [system] peek_char((0x563acd73bee0), m)
^  Call: (206) [user] is_delimiter(m)
   Call: (207) [system] char_type(m, space)
   Fail: (207) [system] char_type(m, space)
   Call: (207) [system] arg(_975536, v('(', ')', end_of_file), m)
   Fail: (207) [system] arg(_976468, v('(', ')', end_of_file), m)
^  Fail: (206) [user] is_delimiter(m)
   Call: (206) [system] ')'==m
   Fail: (206) [system] ')'==m
   Call: (206) [system] get_char((0x563acd73bee0), m)
   Exit: (206) [system] get_char((0x563acd73bee0), m)
   Call: (206) [system] m=(\)
   Fail: (206) [system] m=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _983818)
   Call: (207) [system] peek_char((0x563acd73bee0), _984752)
   Exit: (207) [system] peek_char((0x563acd73bee0), p)
^  Call: (207) [user] is_delimiter(p)
   Call: (208) [system] char_type(p, space)
   Fail: (208) [system] char_type(p, space)
   Call: (208) [system] arg(_989472, v('(', ')', end_of_file), p)
   Fail: (208) [system] arg(_990404, v('(', ')', end_of_file), p)
^  Fail: (207) [user] is_delimiter(p)
   Call: (207) [system] ')'==p
   Fail: (207) [system] ')'==p
   Call: (207) [system] get_char((0x563acd73bee0), p)
   Exit: (207) [system] get_char((0x563acd73bee0), p)
   Call: (207) [system] p=(\)
   Fail: (207) [system] p=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _997754)
   Call: (208) [system] peek_char((0x563acd73bee0), _998688)
   Exit: (208) [system] peek_char((0x563acd73bee0), l)
^  Call: (208) [user] is_delimiter(l)
   Call: (209) [system] char_type(l, space)
   Fail: (209) [system] char_type(l, space)
   Call: (209) [system] arg(_1003408, v('(', ')', end_of_file), l)
   Fail: (209) [system] arg(_1004340, v('(', ')', end_of_file), l)
^  Fail: (208) [user] is_delimiter(l)
   Call: (208) [system] ')'==l
   Fail: (208) [system] ')'==l
   Call: (208) [system] get_char((0x563acd73bee0), l)
   Exit: (208) [system] get_char((0x563acd73bee0), l)
   Call: (208) [system] l=(\)
   Fail: (208) [system] l=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1011690)
   Call: (209) [system] peek_char((0x563acd73bee0), _1012624)
   Exit: (209) [system] peek_char((0x563acd73bee0), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_1017344, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_1018276, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x563acd73bee0), i)
   Exit: (209) [system] get_char((0x563acd73bee0), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1025626)
   Call: (210) [system] peek_char((0x563acd73bee0), _1026560)
   Exit: (210) [system] peek_char((0x563acd73bee0), c)
^  Call: (210) [user] is_delimiter(c)
   Call: (211) [system] char_type(c, space)
   Fail: (211) [system] char_type(c, space)
   Call: (211) [system] arg(_1031280, v('(', ')', end_of_file), c)
   Fail: (211) [system] arg(_1032212, v('(', ')', end_of_file), c)
^  Fail: (210) [user] is_delimiter(c)
   Call: (210) [system] ')'==c
   Fail: (210) [system] ')'==c
   Call: (210) [system] get_char((0x563acd73bee0), c)
   Exit: (210) [system] get_char((0x563acd73bee0), c)
   Call: (210) [system] c=(\)
   Fail: (210) [system] c=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1039562)
   Call: (211) [system] peek_char((0x563acd73bee0), _1040496)
   Exit: (211) [system] peek_char((0x563acd73bee0), a)
^  Call: (211) [user] is_delimiter(a)
   Call: (212) [system] char_type(a, space)
   Fail: (212) [system] char_type(a, space)
   Call: (212) [system] arg(_1045216, v('(', ')', end_of_file), a)
   Fail: (212) [system] arg(_1046148, v('(', ')', end_of_file), a)
^  Fail: (211) [user] is_delimiter(a)
   Call: (211) [system] ')'==a
   Fail: (211) [system] ')'==a
   Call: (211) [system] get_char((0x563acd73bee0), a)
   Exit: (211) [system] get_char((0x563acd73bee0), a)
   Call: (211) [system] a=(\)
   Fail: (211) [system] a=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1053498)
   Call: (212) [system] peek_char((0x563acd73bee0), _1054432)
   Exit: (212) [system] peek_char((0x563acd73bee0), t)
^  Call: (212) [user] is_delimiter(t)
   Call: (213) [system] char_type(t, space)
   Fail: (213) [system] char_type(t, space)
   Call: (213) [system] arg(_1059152, v('(', ')', end_of_file), t)
   Fail: (213) [system] arg(_1060084, v('(', ')', end_of_file), t)
^  Fail: (212) [user] is_delimiter(t)
   Call: (212) [system] ')'==t
   Fail: (212) [system] ')'==t
   Call: (212) [system] get_char((0x563acd73bee0), t)
   Exit: (212) [system] get_char((0x563acd73bee0), t)
   Call: (212) [system] t=(\)
   Fail: (212) [system] t=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _1067434)
   Call: (213) [system] peek_char((0x563acd73bee0), _1068368)
   Exit: (213) [system] peek_char((0x563acd73bee0), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Fail: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_1073088, v('(', ')', end_of_file), i)
   Fail: (214) [system] arg(_1074020, v('(', ')', end_of_file), i)
^  Fail: (213) [user] is_delimiter(i)
   Call: (213) [system] ')'==i
   Fail: (213) [system] ')'==i
   Call: (213) [system] get_char((0x563acd73bee0), i)
   Exit: (213) [system] get_char((0x563acd73bee0), i)
   Call: (213) [system] i=(\)
   Fail: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _1081370)
   Call: (214) [system] peek_char((0x563acd73bee0), _1082304)
   Exit: (214) [system] peek_char((0x563acd73bee0), o)
^  Call: (214) [user] is_delimiter(o)
   Call: (215) [system] char_type(o, space)
   Fail: (215) [system] char_type(o, space)
   Call: (215) [system] arg(_1087024, v('(', ')', end_of_file), o)
   Fail: (215) [system] arg(_1087956, v('(', ')', end_of_file), o)
^  Fail: (214) [user] is_delimiter(o)
   Call: (214) [system] ')'==o
   Fail: (214) [system] ')'==o
   Call: (214) [system] get_char((0x563acd73bee0), o)
   Exit: (214) [system] get_char((0x563acd73bee0), o)
   Call: (214) [system] o=(\)
   Fail: (214) [system] o=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _1095306)
   Call: (215) [system] peek_char((0x563acd73bee0), _1096240)
   Exit: (215) [system] peek_char((0x563acd73bee0), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_1100960, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_1101892, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x563acd73bee0), n)
   Exit: (215) [system] get_char((0x563acd73bee0), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _1109242)
   Call: (216) [system] peek_char((0x563acd73bee0), _1110176)
   Exit: (216) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _1109242=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (215) [system] _1095306=[n]
   Exit: (215) [system] [n]=[n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (214) [system] _1081370=[o, n]
   Exit: (214) [system] [o, n]=[o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (213) [system] _1067434=[i, o, n]
   Exit: (213) [system] [i, o, n]=[i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (212) [system] _1053498=[t, i, o, n]
   Exit: (212) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (211) [system] _1039562=[a, t, i, o, n]
   Exit: (211) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (210) [system] _1025626=[c, a, t, i, o, n]
   Exit: (210) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (209) [system] _1011690=[i, c, a, t, i, o, n]
   Exit: (209) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (208) [system] _997754=[l, i, c, a, t, i, o, n]
   Exit: (208) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (207) [system] _983818=[p, l, i, c, a, t, i, o, n]
   Exit: (207) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (206) [system] _969882=[m, p, l, i, c, a, t, i, o, n]
   Exit: (206) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (205) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _934372)
^  Call: (206) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1147400)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_1148352, _1148354), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1147400), _1148334, fail)), '$restore_trace'(_1148352, _1148354))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_1148352, _1148354))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1147400), _1148334, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(_1147400)
   Fail: (207) [system] atomic(_1147400)
   Call: (207) [system] atom_chars(_1147400, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (207) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (206) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (206) [system] integer('Implication')
   Fail: (206) [system] integer('Implication')
   Call: (206) [system] _934372='Implication'
   Exit: (206) [system] 'Implication'='Implication'
^  Exit: (205) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (204) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (203) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (203) [user] read_list(')', (0x563acd73bee0), _1162350)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1164208)
   Exit: (205) [system] peek_char((0x563acd73bee0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x563acd73bee0), _1173802)
   Exit: (205) [system] get_char((0x563acd73bee0), ' ')
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1176506)
   Exit: (206) [system] peek_char((0x563acd73bee0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1193440)
   Exit: (204) [system] peek_char((0x563acd73bee0), '(')
   Call: (204) [system] '('=')'
   Fail: (204) [system] '('=')'
   Call: (204) [system] '('=end_of_file
   Fail: (204) [system] '('=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x563acd73bee0), _1199010)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1200868)
   Exit: (206) [system] peek_char((0x563acd73bee0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] get_char((0x563acd73bee0), _1216878)
   Exit: (205) [system] get_char((0x563acd73bee0), '(')
   Call: (205) [system] '('='('
   Exit: (205) [system] '('='('
^  Call: (205) [user] read_list(')', (0x563acd73bee0), _1199010)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1222448)
   Exit: (207) [system] peek_char((0x563acd73bee0), 'A')
   Call: (207) [system] 'A'=(;)
   Fail: (207) [system] 'A'=(;)
   Call: (207) [system] 'A'=(/)
   Fail: (207) [system] 'A'=(/)
^  Call: (207) [user] is_like_space('A')
   Call: (208) [system] char_type('A', 'white')
   Fail: (208) [system] char_type('A', 'white')
   Call: (208) [system] char_type('A', end_of_line)
   Fail: (208) [system] char_type('A', end_of_line)
   Call: (208) [system] char_type('A', space)
   Fail: (208) [system] char_type('A', space)
   Call: (208) [system] char_type('A', cntrl)
   Fail: (208) [system] char_type('A', cntrl)
^  Fail: (207) [user] is_like_space('A')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1238458)
   Exit: (206) [system] peek_char((0x563acd73bee0), 'A')
   Call: (206) [system] 'A'=')'
   Fail: (206) [system] 'A'=')'
   Call: (206) [system] 'A'=end_of_file
   Fail: (206) [system] 'A'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x563acd73bee0), _1244028)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1245886)
   Exit: (208) [system] peek_char((0x563acd73bee0), 'A')
   Call: (208) [system] 'A'=(;)
   Fail: (208) [system] 'A'=(;)
   Call: (208) [system] 'A'=(/)
   Fail: (208) [system] 'A'=(/)
^  Call: (208) [user] is_like_space('A')
   Call: (209) [system] char_type('A', 'white')
   Fail: (209) [system] char_type('A', 'white')
   Call: (209) [system] char_type('A', end_of_line)
   Fail: (209) [system] char_type('A', end_of_line)
   Call: (209) [system] char_type('A', space)
   Fail: (209) [system] char_type('A', space)
   Call: (209) [system] char_type('A', cntrl)
   Fail: (209) [system] char_type('A', cntrl)
^  Fail: (208) [user] is_like_space('A')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] get_char((0x563acd73bee0), _1261896)
   Exit: (207) [system] get_char((0x563acd73bee0), 'A')
   Call: (207) [system] 'A'='('
   Fail: (207) [system] 'A'='('
   Call: (207) [system] 'A'='['
   Fail: (207) [system] 'A'='['
   Call: (207) [system] 'A'='{'
   Fail: (207) [system] 'A'='{'
   Call: (207) [system] 'A'='"'
   Fail: (207) [system] 'A'='"'
   Call: (207) [system] 'A'=!
   Fail: (207) [system] 'A'=!
   Call: (207) [system] 'A'='\''
   Fail: (207) [system] 'A'='\''
   Call: (207) [system] 'A'='`'
   Fail: (207) [system] 'A'='`'
   Call: (207) [system] 'A'=end_of_file
   Fail: (207) [system] 'A'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x563acd73bee0), 'A', _1244028)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1279538)
   Call: (209) [system] peek_char((0x563acd73bee0), _1280472)
   Exit: (209) [system] peek_char((0x563acd73bee0), n)
^  Call: (209) [user] is_delimiter(n)
   Call: (210) [system] char_type(n, space)
   Fail: (210) [system] char_type(n, space)
   Call: (210) [system] arg(_1285192, v('(', ')', end_of_file), n)
   Fail: (210) [system] arg(_1286124, v('(', ')', end_of_file), n)
^  Fail: (209) [user] is_delimiter(n)
   Call: (209) [system] ')'==n
   Fail: (209) [system] ')'==n
   Call: (209) [system] get_char((0x563acd73bee0), n)
   Exit: (209) [system] get_char((0x563acd73bee0), n)
   Call: (209) [system] n=(\)
   Fail: (209) [system] n=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1293474)
   Call: (210) [system] peek_char((0x563acd73bee0), _1294408)
   Exit: (210) [system] peek_char((0x563acd73bee0), d)
^  Call: (210) [user] is_delimiter(d)
   Call: (211) [system] char_type(d, space)
   Fail: (211) [system] char_type(d, space)
   Call: (211) [system] arg(_1299128, v('(', ')', end_of_file), d)
   Fail: (211) [system] arg(_1300060, v('(', ')', end_of_file), d)
^  Fail: (210) [user] is_delimiter(d)
   Call: (210) [system] ')'==d
   Fail: (210) [system] ')'==d
   Call: (210) [system] get_char((0x563acd73bee0), d)
   Exit: (210) [system] get_char((0x563acd73bee0), d)
   Call: (210) [system] d=(\)
   Fail: (210) [system] d=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1307410)
   Call: (211) [system] peek_char((0x563acd73bee0), _1308344)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (211) [user] is_delimiter('L')
   Call: (212) [system] char_type('L', space)
   Fail: (212) [system] char_type('L', space)
   Call: (212) [system] arg(_1313064, v('(', ')', end_of_file), 'L')
   Fail: (212) [system] arg(_1313996, v('(', ')', end_of_file), 'L')
^  Fail: (211) [user] is_delimiter('L')
   Call: (211) [system] ')'=='L'
   Fail: (211) [system] ')'=='L'
   Call: (211) [system] get_char((0x563acd73bee0), 'L')
   Exit: (211) [system] get_char((0x563acd73bee0), 'L')
   Call: (211) [system] 'L'=(\)
   Fail: (211) [system] 'L'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1321346)
   Call: (212) [system] peek_char((0x563acd73bee0), _1322280)
   Exit: (212) [system] peek_char((0x563acd73bee0), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_1327000, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_1327932, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x563acd73bee0), i)
   Exit: (212) [system] get_char((0x563acd73bee0), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _1335282)
   Call: (213) [system] peek_char((0x563acd73bee0), _1336216)
   Exit: (213) [system] peek_char((0x563acd73bee0), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_1340936, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_1341868, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x563acd73bee0), n)
   Exit: (213) [system] get_char((0x563acd73bee0), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _1349218)
   Call: (214) [system] peek_char((0x563acd73bee0), _1350152)
   Exit: (214) [system] peek_char((0x563acd73bee0), k)
^  Call: (214) [user] is_delimiter(k)
   Call: (215) [system] char_type(k, space)
   Fail: (215) [system] char_type(k, space)
   Call: (215) [system] arg(_1354872, v('(', ')', end_of_file), k)
   Fail: (215) [system] arg(_1355804, v('(', ')', end_of_file), k)
^  Fail: (214) [user] is_delimiter(k)
   Call: (214) [system] ')'==k
   Fail: (214) [system] ')'==k
   Call: (214) [system] get_char((0x563acd73bee0), k)
   Exit: (214) [system] get_char((0x563acd73bee0), k)
   Call: (214) [system] k=(\)
   Fail: (214) [system] k=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _1363154)
   Call: (215) [system] peek_char((0x563acd73bee0), _1364088)
   Exit: (215) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _1363154=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (214) [system] _1349218=[k]
   Exit: (214) [system] [k]=[k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (213) [system] _1335282=[n, k]
   Exit: (213) [system] [n, k]=[n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (212) [system] _1321346=[i, n, k]
   Exit: (212) [system] [i, n, k]=[i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (211) [system] _1307410=['L', i, n, k]
   Exit: (211) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (210) [system] _1293474=[d, 'L', i, n, k]
   Exit: (210) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, 'L', i, n, k])
   Call: (209) [system] _1279538=[n, d, 'L', i, n, k]
   Exit: (209) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, d, 'L', i, n, k])
^  Call: (208) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1244028)
^  Call: (209) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1390136)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_1391088, _1391090), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1390136), _1391070, fail)), '$restore_trace'(_1391088, _1391090))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_1391088, _1391090))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1390136), _1391070, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_1390136)
   Fail: (210) [system] atomic(_1390136)
   Call: (210) [system] atom_chars(_1390136, ['A', n, d, 'L', i, n, k])
   Exit: (210) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (209) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (209) [system] integer('AndLink')
   Fail: (209) [system] integer('AndLink')
   Call: (209) [system] _1244028='AndLink'
   Exit: (209) [system] 'AndLink'='AndLink'
^  Exit: (208) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (207) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'AndLink')
^  Exit: (206) [user] cont_sexpr(')', (0x563acd73bee0), 'AndLink')
^  Call: (206) [user] read_list(')', (0x563acd73bee0), _1405086)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1406944)
   Exit: (208) [system] peek_char((0x563acd73bee0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x563acd73bee0), _1416538)
   Exit: (208) [system] get_char((0x563acd73bee0), ' ')
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1419242)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'A')
   Call: (209) [system] 'A'=(;)
   Fail: (209) [system] 'A'=(;)
   Call: (209) [system] 'A'=(/)
   Fail: (209) [system] 'A'=(/)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Fail: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Fail: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Fail: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
   Fail: (210) [system] char_type('A', cntrl)
^  Fail: (209) [user] is_like_space('A')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1436176)
   Exit: (207) [system] peek_char((0x563acd73bee0), 'A')
   Call: (207) [system] 'A'=')'
   Fail: (207) [system] 'A'=')'
   Call: (207) [system] 'A'=end_of_file
   Fail: (207) [system] 'A'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x563acd73bee0), _1441746)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1443604)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'A')
   Call: (209) [system] 'A'=(;)
   Fail: (209) [system] 'A'=(;)
   Call: (209) [system] 'A'=(/)
   Fail: (209) [system] 'A'=(/)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Fail: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Fail: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Fail: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
   Fail: (210) [system] char_type('A', cntrl)
^  Fail: (209) [user] is_like_space('A')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] get_char((0x563acd73bee0), _1459614)
   Exit: (208) [system] get_char((0x563acd73bee0), 'A')
   Call: (208) [system] 'A'='('
   Fail: (208) [system] 'A'='('
   Call: (208) [system] 'A'='['
   Fail: (208) [system] 'A'='['
   Call: (208) [system] 'A'='{'
   Fail: (208) [system] 'A'='{'
   Call: (208) [system] 'A'='"'
   Fail: (208) [system] 'A'='"'
   Call: (208) [system] 'A'=!
   Fail: (208) [system] 'A'=!
   Call: (208) [system] 'A'='\''
   Fail: (208) [system] 'A'='\''
   Call: (208) [system] 'A'='`'
   Fail: (208) [system] 'A'='`'
   Call: (208) [system] 'A'=end_of_file
   Fail: (208) [system] 'A'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x563acd73bee0), 'A', _1441746)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1477256)
   Call: (210) [system] peek_char((0x563acd73bee0), _1478190)
   Exit: (210) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1477256=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (209) [user] classify_and_convert_charseq(['A'], _1441746)
^  Call: (210) [user] classify_and_convert_charseq_(['A'], _1487474)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1488426, _1488428), once(user:catch(read_from_chars(['A'], _1487474), _1488408, fail)), '$restore_trace'(_1488426, _1488428))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1488426, _1488428))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1487474), _1488408, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_1487474)
   Fail: (211) [system] atomic(_1487474)
   Call: (211) [system] atom_chars(_1487474, ['A'])
   Exit: (211) [system] atom_chars('A', ['A'])
^  Exit: (210) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (210) [system] integer('A')
   Fail: (210) [system] integer('A')
   Call: (210) [system] _1441746='A'
   Exit: (210) [system] 'A'='A'
^  Exit: (209) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (208) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (207) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (207) [user] read_list(')', (0x563acd73bee0), _1502424)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1504282)
   Exit: (209) [system] peek_char((0x563acd73bee0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x563acd73bee0), _1513876)
   Exit: (209) [system] get_char((0x563acd73bee0), ' ')
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1516580)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'B')
   Call: (210) [system] 'B'=(;)
   Fail: (210) [system] 'B'=(;)
   Call: (210) [system] 'B'=(/)
   Fail: (210) [system] 'B'=(/)
^  Call: (210) [user] is_like_space('B')
   Call: (211) [system] char_type('B', 'white')
   Fail: (211) [system] char_type('B', 'white')
   Call: (211) [system] char_type('B', end_of_line)
   Fail: (211) [system] char_type('B', end_of_line)
   Call: (211) [system] char_type('B', space)
   Fail: (211) [system] char_type('B', space)
   Call: (211) [system] char_type('B', cntrl)
   Fail: (211) [system] char_type('B', cntrl)
^  Fail: (210) [user] is_like_space('B')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1533514)
   Exit: (208) [system] peek_char((0x563acd73bee0), 'B')
   Call: (208) [system] 'B'=')'
   Fail: (208) [system] 'B'=')'
   Call: (208) [system] 'B'=end_of_file
   Fail: (208) [system] 'B'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x563acd73bee0), _1539084)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1540942)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'B')
   Call: (210) [system] 'B'=(;)
   Fail: (210) [system] 'B'=(;)
   Call: (210) [system] 'B'=(/)
   Fail: (210) [system] 'B'=(/)
^  Call: (210) [user] is_like_space('B')
   Call: (211) [system] char_type('B', 'white')
   Fail: (211) [system] char_type('B', 'white')
   Call: (211) [system] char_type('B', end_of_line)
   Fail: (211) [system] char_type('B', end_of_line)
   Call: (211) [system] char_type('B', space)
   Fail: (211) [system] char_type('B', space)
   Call: (211) [system] char_type('B', cntrl)
   Fail: (211) [system] char_type('B', cntrl)
^  Fail: (210) [user] is_like_space('B')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] get_char((0x563acd73bee0), _1556952)
   Exit: (209) [system] get_char((0x563acd73bee0), 'B')
   Call: (209) [system] 'B'='('
   Fail: (209) [system] 'B'='('
   Call: (209) [system] 'B'='['
   Fail: (209) [system] 'B'='['
   Call: (209) [system] 'B'='{'
   Fail: (209) [system] 'B'='{'
   Call: (209) [system] 'B'='"'
   Fail: (209) [system] 'B'='"'
   Call: (209) [system] 'B'=!
   Fail: (209) [system] 'B'=!
   Call: (209) [system] 'B'='\''
   Fail: (209) [system] 'B'='\''
   Call: (209) [system] 'B'='`'
   Fail: (209) [system] 'B'='`'
   Call: (209) [system] 'B'=end_of_file
   Fail: (209) [system] 'B'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x563acd73bee0), 'B', _1539084)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1574594)
   Call: (211) [system] peek_char((0x563acd73bee0), _1575528)
   Exit: (211) [system] peek_char((0x563acd73bee0), ')')
^  Call: (211) [user] is_delimiter(')')
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] arg(_1580248, v('(', ')', end_of_file), ')')
   Exit: (212) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (211) [user] is_delimiter(')')
   Call: (211) [system] _1574594=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (210) [user] classify_and_convert_charseq(['B'], _1539084)
^  Call: (211) [user] classify_and_convert_charseq_(['B'], _1586684)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_1587636, _1587638), once(user:catch(read_from_chars(['B'], _1586684), _1587618, fail)), '$restore_trace'(_1587636, _1587638))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_1587636, _1587638))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1586684), _1587618, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_1586684)
   Fail: (212) [system] atomic(_1586684)
   Call: (212) [system] atom_chars(_1586684, ['B'])
   Exit: (212) [system] atom_chars('B', ['B'])
^  Exit: (211) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (211) [system] integer('B')
   Fail: (211) [system] integer('B')
   Call: (211) [system] _1539084='B'
   Exit: (211) [system] 'B'='B'
^  Exit: (210) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (209) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (208) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (208) [user] read_list(')', (0x563acd73bee0), _1601634)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1603492)
   Exit: (210) [system] peek_char((0x563acd73bee0), ')')
   Call: (210) [system] ')'=(;)
   Fail: (210) [system] ')'=(;)
   Call: (210) [system] ')'=(/)
   Fail: (210) [system] ')'=(/)
^  Call: (210) [user] is_like_space(')')
   Call: (211) [system] char_type(')', 'white')
   Fail: (211) [system] char_type(')', 'white')
   Call: (211) [system] char_type(')', end_of_line)
   Fail: (211) [system] char_type(')', end_of_line)
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] char_type(')', cntrl)
   Fail: (211) [system] char_type(')', cntrl)
^  Fail: (210) [user] is_like_space(')')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1619502)
   Exit: (209) [system] peek_char((0x563acd73bee0), ')')
   Call: (209) [system] ')'=')'
   Exit: (209) [system] ')'=')'
   Call: (209) [system] get_char((0x563acd73bee0), _1623292)
   Exit: (209) [system] get_char((0x563acd73bee0), ')')
   Call: (209) [system] _1601634=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_list(')', (0x563acd73bee0), [])
   Call: (208) [system] _1502424=['B']
   Exit: (208) [system] ['B']=['B']
^  Exit: (207) [user] read_list(')', (0x563acd73bee0), ['B'])
   Call: (207) [system] _1405086=['A', 'B']
   Exit: (207) [system] ['A', 'B']=['A', 'B']
^  Exit: (206) [user] read_list(')', (0x563acd73bee0), ['A', 'B'])
   Call: (206) [system] _1199010=['AndLink', 'A', 'B']
   Exit: (206) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (205) [user] read_list(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Exit: (204) [user] cont_sexpr(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Call: (204) [user] read_list(')', (0x563acd73bee0), _1637174)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1639032)
   Exit: (206) [system] peek_char((0x563acd73bee0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
   Call: (206) [system] ' '=(/)
   Fail: (206) [system] ' '=(/)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x563acd73bee0), _1648626)
   Exit: (206) [system] get_char((0x563acd73bee0), ' ')
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1651330)
   Exit: (207) [system] peek_char((0x563acd73bee0), 'C')
   Call: (207) [system] 'C'=(;)
   Fail: (207) [system] 'C'=(;)
   Call: (207) [system] 'C'=(/)
   Fail: (207) [system] 'C'=(/)
^  Call: (207) [user] is_like_space('C')
   Call: (208) [system] char_type('C', 'white')
   Fail: (208) [system] char_type('C', 'white')
   Call: (208) [system] char_type('C', end_of_line)
   Fail: (208) [system] char_type('C', end_of_line)
   Call: (208) [system] char_type('C', space)
   Fail: (208) [system] char_type('C', space)
   Call: (208) [system] char_type('C', cntrl)
   Fail: (208) [system] char_type('C', cntrl)
^  Fail: (207) [user] is_like_space('C')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1668264)
   Exit: (205) [system] peek_char((0x563acd73bee0), 'C')
   Call: (205) [system] 'C'=')'
   Fail: (205) [system] 'C'=')'
   Call: (205) [system] 'C'=end_of_file
   Fail: (205) [system] 'C'=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x563acd73bee0), _1673834)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1675692)
   Exit: (207) [system] peek_char((0x563acd73bee0), 'C')
   Call: (207) [system] 'C'=(;)
   Fail: (207) [system] 'C'=(;)
   Call: (207) [system] 'C'=(/)
   Fail: (207) [system] 'C'=(/)
^  Call: (207) [user] is_like_space('C')
   Call: (208) [system] char_type('C', 'white')
   Fail: (208) [system] char_type('C', 'white')
   Call: (208) [system] char_type('C', end_of_line)
   Fail: (208) [system] char_type('C', end_of_line)
   Call: (208) [system] char_type('C', space)
   Fail: (208) [system] char_type('C', space)
   Call: (208) [system] char_type('C', cntrl)
   Fail: (208) [system] char_type('C', cntrl)
^  Fail: (207) [user] is_like_space('C')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] get_char((0x563acd73bee0), _1691702)
   Exit: (206) [system] get_char((0x563acd73bee0), 'C')
   Call: (206) [system] 'C'='('
   Fail: (206) [system] 'C'='('
   Call: (206) [system] 'C'='['
   Fail: (206) [system] 'C'='['
   Call: (206) [system] 'C'='{'
   Fail: (206) [system] 'C'='{'
   Call: (206) [system] 'C'='"'
   Fail: (206) [system] 'C'='"'
   Call: (206) [system] 'C'=!
   Fail: (206) [system] 'C'=!
   Call: (206) [system] 'C'='\''
   Fail: (206) [system] 'C'='\''
   Call: (206) [system] 'C'='`'
   Fail: (206) [system] 'C'='`'
   Call: (206) [system] 'C'=end_of_file
   Fail: (206) [system] 'C'=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x563acd73bee0), 'C', _1673834)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1709344)
   Call: (208) [system] peek_char((0x563acd73bee0), _1710278)
   Exit: (208) [system] peek_char((0x563acd73bee0), ')')
^  Call: (208) [user] is_delimiter(')')
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] arg(_1714998, v('(', ')', end_of_file), ')')
   Exit: (209) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (208) [user] is_delimiter(')')
   Call: (208) [system] _1709344=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (207) [user] classify_and_convert_charseq(['C'], _1673834)
^  Call: (208) [user] classify_and_convert_charseq_(['C'], _1721434)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_1722386, _1722388), once(user:catch(read_from_chars(['C'], _1721434), _1722368, fail)), '$restore_trace'(_1722386, _1722388))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_1722386, _1722388))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1721434), _1722368, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_1721434)
   Fail: (209) [system] atomic(_1721434)
   Call: (209) [system] atom_chars(_1721434, ['C'])
   Exit: (209) [system] atom_chars('C', ['C'])
^  Exit: (208) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (208) [system] integer('C')
   Fail: (208) [system] integer('C')
   Call: (208) [system] _1673834='C'
   Exit: (208) [system] 'C'='C'
^  Exit: (207) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (206) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (205) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (205) [user] read_list(')', (0x563acd73bee0), _1736384)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1738242)
   Exit: (207) [system] peek_char((0x563acd73bee0), ')')
   Call: (207) [system] ')'=(;)
   Fail: (207) [system] ')'=(;)
   Call: (207) [system] ')'=(/)
   Fail: (207) [system] ')'=(/)
^  Call: (207) [user] is_like_space(')')
   Call: (208) [system] char_type(')', 'white')
   Fail: (208) [system] char_type(')', 'white')
   Call: (208) [system] char_type(')', end_of_line)
   Fail: (208) [system] char_type(')', end_of_line)
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] char_type(')', cntrl)
   Fail: (208) [system] char_type(')', cntrl)
^  Fail: (207) [user] is_like_space(')')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1754252)
   Exit: (206) [system] peek_char((0x563acd73bee0), ')')
   Call: (206) [system] ')'=')'
   Exit: (206) [system] ')'=')'
   Call: (206) [system] get_char((0x563acd73bee0), _1758042)
   Exit: (206) [system] get_char((0x563acd73bee0), ')')
   Call: (206) [system] _1736384=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_list(')', (0x563acd73bee0), [])
   Call: (205) [system] _1637174=['C']
   Exit: (205) [system] ['C']=['C']
^  Exit: (204) [user] read_list(')', (0x563acd73bee0), ['C'])
   Call: (204) [system] _1162350=[['AndLink', 'A', 'B'], 'C']
   Exit: (204) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (203) [user] read_list(')', (0x563acd73bee0), [['AndLink', 'A', 'B'], 'C'])
   Call: (203) [system] _889354=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (203) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (202) [user] read_list(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (201) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (201) [user] read_list(')', (0x563acd73bee0), _1771924)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1773782)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x563acd73bee0), _1783376)
   Exit: (203) [system] get_char((0x563acd73bee0), ' ')
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1786080)
   Exit: (204) [system] peek_char((0x563acd73bee0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
   Call: (204) [system] '('=(/)
   Fail: (204) [system] '('=(/)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1803014)
   Exit: (202) [system] peek_char((0x563acd73bee0), '(')
   Call: (202) [system] '('=')'
   Fail: (202) [system] '('=')'
   Call: (202) [system] '('=end_of_file
   Fail: (202) [system] '('=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x563acd73bee0), _1808584)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1810442)
   Exit: (204) [system] peek_char((0x563acd73bee0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
   Call: (204) [system] '('=(/)
   Fail: (204) [system] '('=(/)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] get_char((0x563acd73bee0), _1826452)
   Exit: (203) [system] get_char((0x563acd73bee0), '(')
   Call: (203) [system] '('='('
   Exit: (203) [system] '('='('
^  Call: (203) [user] read_list(')', (0x563acd73bee0), _1808584)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1832022)
   Exit: (205) [system] peek_char((0x563acd73bee0), 'I')
   Call: (205) [system] 'I'=(;)
   Fail: (205) [system] 'I'=(;)
   Call: (205) [system] 'I'=(/)
   Fail: (205) [system] 'I'=(/)
^  Call: (205) [user] is_like_space('I')
   Call: (206) [system] char_type('I', 'white')
   Fail: (206) [system] char_type('I', 'white')
   Call: (206) [system] char_type('I', end_of_line)
   Fail: (206) [system] char_type('I', end_of_line)
   Call: (206) [system] char_type('I', space)
   Fail: (206) [system] char_type('I', space)
   Call: (206) [system] char_type('I', cntrl)
   Fail: (206) [system] char_type('I', cntrl)
^  Fail: (205) [user] is_like_space('I')
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1848032)
   Exit: (204) [system] peek_char((0x563acd73bee0), 'I')
   Call: (204) [system] 'I'=')'
   Fail: (204) [system] 'I'=')'
   Call: (204) [system] 'I'=end_of_file
   Fail: (204) [system] 'I'=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x563acd73bee0), _1853602)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1855460)
   Exit: (206) [system] peek_char((0x563acd73bee0), 'I')
   Call: (206) [system] 'I'=(;)
   Fail: (206) [system] 'I'=(;)
   Call: (206) [system] 'I'=(/)
   Fail: (206) [system] 'I'=(/)
^  Call: (206) [user] is_like_space('I')
   Call: (207) [system] char_type('I', 'white')
   Fail: (207) [system] char_type('I', 'white')
   Call: (207) [system] char_type('I', end_of_line)
   Fail: (207) [system] char_type('I', end_of_line)
   Call: (207) [system] char_type('I', space)
   Fail: (207) [system] char_type('I', space)
   Call: (207) [system] char_type('I', cntrl)
   Fail: (207) [system] char_type('I', cntrl)
^  Fail: (206) [user] is_like_space('I')
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] get_char((0x563acd73bee0), _1871470)
   Exit: (205) [system] get_char((0x563acd73bee0), 'I')
   Call: (205) [system] 'I'='('
   Fail: (205) [system] 'I'='('
   Call: (205) [system] 'I'='['
   Fail: (205) [system] 'I'='['
   Call: (205) [system] 'I'='{'
   Fail: (205) [system] 'I'='{'
   Call: (205) [system] 'I'='"'
   Fail: (205) [system] 'I'='"'
   Call: (205) [system] 'I'=!
   Fail: (205) [system] 'I'=!
   Call: (205) [system] 'I'='\''
   Fail: (205) [system] 'I'='\''
   Call: (205) [system] 'I'='`'
   Fail: (205) [system] 'I'='`'
   Call: (205) [system] 'I'=end_of_file
   Fail: (205) [system] 'I'=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x563acd73bee0), 'I', _1853602)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1889112)
   Call: (207) [system] peek_char((0x563acd73bee0), _1890046)
   Exit: (207) [system] peek_char((0x563acd73bee0), m)
^  Call: (207) [user] is_delimiter(m)
   Call: (208) [system] char_type(m, space)
   Fail: (208) [system] char_type(m, space)
   Call: (208) [system] arg(_1894766, v('(', ')', end_of_file), m)
   Fail: (208) [system] arg(_1895698, v('(', ')', end_of_file), m)
^  Fail: (207) [user] is_delimiter(m)
   Call: (207) [system] ')'==m
   Fail: (207) [system] ')'==m
   Call: (207) [system] get_char((0x563acd73bee0), m)
   Exit: (207) [system] get_char((0x563acd73bee0), m)
   Call: (207) [system] m=(\)
   Fail: (207) [system] m=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1903048)
   Call: (208) [system] peek_char((0x563acd73bee0), _1903982)
   Exit: (208) [system] peek_char((0x563acd73bee0), p)
^  Call: (208) [user] is_delimiter(p)
   Call: (209) [system] char_type(p, space)
   Fail: (209) [system] char_type(p, space)
   Call: (209) [system] arg(_1908702, v('(', ')', end_of_file), p)
   Fail: (209) [system] arg(_1909634, v('(', ')', end_of_file), p)
^  Fail: (208) [user] is_delimiter(p)
   Call: (208) [system] ')'==p
   Fail: (208) [system] ')'==p
   Call: (208) [system] get_char((0x563acd73bee0), p)
   Exit: (208) [system] get_char((0x563acd73bee0), p)
   Call: (208) [system] p=(\)
   Fail: (208) [system] p=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1916984)
   Call: (209) [system] peek_char((0x563acd73bee0), _1917918)
   Exit: (209) [system] peek_char((0x563acd73bee0), l)
^  Call: (209) [user] is_delimiter(l)
   Call: (210) [system] char_type(l, space)
   Fail: (210) [system] char_type(l, space)
   Call: (210) [system] arg(_1922638, v('(', ')', end_of_file), l)
   Fail: (210) [system] arg(_1923570, v('(', ')', end_of_file), l)
^  Fail: (209) [user] is_delimiter(l)
   Call: (209) [system] ')'==l
   Fail: (209) [system] ')'==l
   Call: (209) [system] get_char((0x563acd73bee0), l)
   Exit: (209) [system] get_char((0x563acd73bee0), l)
   Call: (209) [system] l=(\)
   Fail: (209) [system] l=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1930920)
   Call: (210) [system] peek_char((0x563acd73bee0), _1931854)
   Exit: (210) [system] peek_char((0x563acd73bee0), i)
^  Call: (210) [user] is_delimiter(i)
   Call: (211) [system] char_type(i, space)
   Fail: (211) [system] char_type(i, space)
   Call: (211) [system] arg(_1936574, v('(', ')', end_of_file), i)
   Fail: (211) [system] arg(_1937506, v('(', ')', end_of_file), i)
^  Fail: (210) [user] is_delimiter(i)
   Call: (210) [system] ')'==i
   Fail: (210) [system] ')'==i
   Call: (210) [system] get_char((0x563acd73bee0), i)
   Exit: (210) [system] get_char((0x563acd73bee0), i)
   Call: (210) [system] i=(\)
   Fail: (210) [system] i=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1944856)
   Call: (211) [system] peek_char((0x563acd73bee0), _1945790)
   Exit: (211) [system] peek_char((0x563acd73bee0), c)
^  Call: (211) [user] is_delimiter(c)
   Call: (212) [system] char_type(c, space)
   Fail: (212) [system] char_type(c, space)
   Call: (212) [system] arg(_1950510, v('(', ')', end_of_file), c)
   Fail: (212) [system] arg(_1951442, v('(', ')', end_of_file), c)
^  Fail: (211) [user] is_delimiter(c)
   Call: (211) [system] ')'==c
   Fail: (211) [system] ')'==c
   Call: (211) [system] get_char((0x563acd73bee0), c)
   Exit: (211) [system] get_char((0x563acd73bee0), c)
   Call: (211) [system] c=(\)
   Fail: (211) [system] c=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1958792)
   Call: (212) [system] peek_char((0x563acd73bee0), _1959726)
   Exit: (212) [system] peek_char((0x563acd73bee0), a)
^  Call: (212) [user] is_delimiter(a)
   Call: (213) [system] char_type(a, space)
   Fail: (213) [system] char_type(a, space)
   Call: (213) [system] arg(_1964446, v('(', ')', end_of_file), a)
   Fail: (213) [system] arg(_1965378, v('(', ')', end_of_file), a)
^  Fail: (212) [user] is_delimiter(a)
   Call: (212) [system] ')'==a
   Fail: (212) [system] ')'==a
   Call: (212) [system] get_char((0x563acd73bee0), a)
   Exit: (212) [system] get_char((0x563acd73bee0), a)
   Call: (212) [system] a=(\)
   Fail: (212) [system] a=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _1972728)
   Call: (213) [system] peek_char((0x563acd73bee0), _1973662)
   Exit: (213) [system] peek_char((0x563acd73bee0), t)
^  Call: (213) [user] is_delimiter(t)
   Call: (214) [system] char_type(t, space)
   Fail: (214) [system] char_type(t, space)
   Call: (214) [system] arg(_1978382, v('(', ')', end_of_file), t)
   Fail: (214) [system] arg(_1979314, v('(', ')', end_of_file), t)
^  Fail: (213) [user] is_delimiter(t)
   Call: (213) [system] ')'==t
   Fail: (213) [system] ')'==t
   Call: (213) [system] get_char((0x563acd73bee0), t)
   Exit: (213) [system] get_char((0x563acd73bee0), t)
   Call: (213) [system] t=(\)
   Fail: (213) [system] t=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _1986664)
   Call: (214) [system] peek_char((0x563acd73bee0), _1987598)
   Exit: (214) [system] peek_char((0x563acd73bee0), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Fail: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_1992318, v('(', ')', end_of_file), i)
   Fail: (215) [system] arg(_1993250, v('(', ')', end_of_file), i)
^  Fail: (214) [user] is_delimiter(i)
   Call: (214) [system] ')'==i
   Fail: (214) [system] ')'==i
   Call: (214) [system] get_char((0x563acd73bee0), i)
   Exit: (214) [system] get_char((0x563acd73bee0), i)
   Call: (214) [system] i=(\)
   Fail: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _2000600)
   Call: (215) [system] peek_char((0x563acd73bee0), _2001534)
   Exit: (215) [system] peek_char((0x563acd73bee0), o)
^  Call: (215) [user] is_delimiter(o)
   Call: (216) [system] char_type(o, space)
   Fail: (216) [system] char_type(o, space)
   Call: (216) [system] arg(_2006254, v('(', ')', end_of_file), o)
   Fail: (216) [system] arg(_2007186, v('(', ')', end_of_file), o)
^  Fail: (215) [user] is_delimiter(o)
   Call: (215) [system] ')'==o
   Fail: (215) [system] ')'==o
   Call: (215) [system] get_char((0x563acd73bee0), o)
   Exit: (215) [system] get_char((0x563acd73bee0), o)
   Call: (215) [system] o=(\)
   Fail: (215) [system] o=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _2014536)
   Call: (216) [system] peek_char((0x563acd73bee0), _2015470)
   Exit: (216) [system] peek_char((0x563acd73bee0), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_2020190, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_2021122, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x563acd73bee0), n)
   Exit: (216) [system] get_char((0x563acd73bee0), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _2028472)
   Call: (217) [system] peek_char((0x563acd73bee0), _2029406)
   Exit: (217) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _2028472=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (216) [system] _2014536=[n]
   Exit: (216) [system] [n]=[n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (215) [system] _2000600=[o, n]
   Exit: (215) [system] [o, n]=[o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (214) [system] _1986664=[i, o, n]
   Exit: (214) [system] [i, o, n]=[i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (213) [system] _1972728=[t, i, o, n]
   Exit: (213) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (212) [system] _1958792=[a, t, i, o, n]
   Exit: (212) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (211) [system] _1944856=[c, a, t, i, o, n]
   Exit: (211) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (210) [system] _1930920=[i, c, a, t, i, o, n]
   Exit: (210) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (209) [system] _1916984=[l, i, c, a, t, i, o, n]
   Exit: (209) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (208) [system] _1903048=[p, l, i, c, a, t, i, o, n]
   Exit: (208) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (207) [system] _1889112=[m, p, l, i, c, a, t, i, o, n]
   Exit: (207) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (206) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1853602)
^  Call: (207) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _2066630)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_2067582, _2067584), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _2066630), _2067564, fail)), '$restore_trace'(_2067582, _2067584))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_2067582, _2067584))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _2066630), _2067564, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(_2066630)
   Fail: (208) [system] atomic(_2066630)
   Call: (208) [system] atom_chars(_2066630, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (208) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (207) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (207) [system] integer('Implication')
   Fail: (207) [system] integer('Implication')
   Call: (207) [system] _1853602='Implication'
   Exit: (207) [system] 'Implication'='Implication'
^  Exit: (206) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (205) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (204) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (204) [user] read_list(')', (0x563acd73bee0), _2081580)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _2083438)
   Exit: (206) [system] peek_char((0x563acd73bee0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
   Call: (206) [system] ' '=(/)
   Fail: (206) [system] ' '=(/)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x563acd73bee0), _2093032)
   Exit: (206) [system] get_char((0x563acd73bee0), ' ')
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _2095736)
   Exit: (207) [system] peek_char((0x563acd73bee0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _19680)
   Exit: (205) [system] peek_char((0x563acd73bee0), '(')
   Call: (205) [system] '('=')'
   Fail: (205) [system] '('=')'
   Call: (205) [system] '('=end_of_file
   Fail: (205) [system] '('=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x563acd73bee0), _25250)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _27108)
   Exit: (207) [system] peek_char((0x563acd73bee0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] get_char((0x563acd73bee0), _43118)
   Exit: (206) [system] get_char((0x563acd73bee0), '(')
   Call: (206) [system] '('='('
   Exit: (206) [system] '('='('
^  Call: (206) [user] read_list(')', (0x563acd73bee0), _25250)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _48688)
   Exit: (208) [system] peek_char((0x563acd73bee0), 'O')
   Call: (208) [system] 'O'=(;)
   Fail: (208) [system] 'O'=(;)
   Call: (208) [system] 'O'=(/)
   Fail: (208) [system] 'O'=(/)
^  Call: (208) [user] is_like_space('O')
   Call: (209) [system] char_type('O', 'white')
   Fail: (209) [system] char_type('O', 'white')
   Call: (209) [system] char_type('O', end_of_line)
   Fail: (209) [system] char_type('O', end_of_line)
   Call: (209) [system] char_type('O', space)
   Fail: (209) [system] char_type('O', space)
   Call: (209) [system] char_type('O', cntrl)
   Fail: (209) [system] char_type('O', cntrl)
^  Fail: (208) [user] is_like_space('O')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _64698)
   Exit: (207) [system] peek_char((0x563acd73bee0), 'O')
   Call: (207) [system] 'O'=')'
   Fail: (207) [system] 'O'=')'
   Call: (207) [system] 'O'=end_of_file
   Fail: (207) [system] 'O'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x563acd73bee0), _70268)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _72126)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'O')
   Call: (209) [system] 'O'=(;)
   Fail: (209) [system] 'O'=(;)
   Call: (209) [system] 'O'=(/)
   Fail: (209) [system] 'O'=(/)
^  Call: (209) [user] is_like_space('O')
   Call: (210) [system] char_type('O', 'white')
   Fail: (210) [system] char_type('O', 'white')
   Call: (210) [system] char_type('O', end_of_line)
   Fail: (210) [system] char_type('O', end_of_line)
   Call: (210) [system] char_type('O', space)
   Fail: (210) [system] char_type('O', space)
   Call: (210) [system] char_type('O', cntrl)
   Fail: (210) [system] char_type('O', cntrl)
^  Fail: (209) [user] is_like_space('O')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] get_char((0x563acd73bee0), _88136)
   Exit: (208) [system] get_char((0x563acd73bee0), 'O')
   Call: (208) [system] 'O'='('
   Fail: (208) [system] 'O'='('
   Call: (208) [system] 'O'='['
   Fail: (208) [system] 'O'='['
   Call: (208) [system] 'O'='{'
   Fail: (208) [system] 'O'='{'
   Call: (208) [system] 'O'='"'
   Fail: (208) [system] 'O'='"'
   Call: (208) [system] 'O'=!
   Fail: (208) [system] 'O'=!
   Call: (208) [system] 'O'='\''
   Fail: (208) [system] 'O'='\''
   Call: (208) [system] 'O'='`'
   Fail: (208) [system] 'O'='`'
   Call: (208) [system] 'O'=end_of_file
   Fail: (208) [system] 'O'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x563acd73bee0), 'O', _70268)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _105778)
   Call: (210) [system] peek_char((0x563acd73bee0), _106712)
   Exit: (210) [system] peek_char((0x563acd73bee0), r)
^  Call: (210) [user] is_delimiter(r)
   Call: (211) [system] char_type(r, space)
   Fail: (211) [system] char_type(r, space)
   Call: (211) [system] arg(_111432, v('(', ')', end_of_file), r)
   Fail: (211) [system] arg(_112364, v('(', ')', end_of_file), r)
^  Fail: (210) [user] is_delimiter(r)
   Call: (210) [system] ')'==r
   Fail: (210) [system] ')'==r
   Call: (210) [system] get_char((0x563acd73bee0), r)
   Exit: (210) [system] get_char((0x563acd73bee0), r)
   Call: (210) [system] r=(\)
   Fail: (210) [system] r=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _119714)
   Call: (211) [system] peek_char((0x563acd73bee0), _120648)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (211) [user] is_delimiter('L')
   Call: (212) [system] char_type('L', space)
   Fail: (212) [system] char_type('L', space)
   Call: (212) [system] arg(_125368, v('(', ')', end_of_file), 'L')
   Fail: (212) [system] arg(_126300, v('(', ')', end_of_file), 'L')
^  Fail: (211) [user] is_delimiter('L')
   Call: (211) [system] ')'=='L'
   Fail: (211) [system] ')'=='L'
   Call: (211) [system] get_char((0x563acd73bee0), 'L')
   Exit: (211) [system] get_char((0x563acd73bee0), 'L')
   Call: (211) [system] 'L'=(\)
   Fail: (211) [system] 'L'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _133650)
   Call: (212) [system] peek_char((0x563acd73bee0), _134584)
   Exit: (212) [system] peek_char((0x563acd73bee0), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_139304, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_140236, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x563acd73bee0), i)
   Exit: (212) [system] get_char((0x563acd73bee0), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _147586)
   Call: (213) [system] peek_char((0x563acd73bee0), _148520)
   Exit: (213) [system] peek_char((0x563acd73bee0), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_153240, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_154172, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x563acd73bee0), n)
   Exit: (213) [system] get_char((0x563acd73bee0), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _161522)
   Call: (214) [system] peek_char((0x563acd73bee0), _162456)
   Exit: (214) [system] peek_char((0x563acd73bee0), k)
^  Call: (214) [user] is_delimiter(k)
   Call: (215) [system] char_type(k, space)
   Fail: (215) [system] char_type(k, space)
   Call: (215) [system] arg(_167176, v('(', ')', end_of_file), k)
   Fail: (215) [system] arg(_168108, v('(', ')', end_of_file), k)
^  Fail: (214) [user] is_delimiter(k)
   Call: (214) [system] ')'==k
   Fail: (214) [system] ')'==k
   Call: (214) [system] get_char((0x563acd73bee0), k)
   Exit: (214) [system] get_char((0x563acd73bee0), k)
   Call: (214) [system] k=(\)
   Fail: (214) [system] k=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _175458)
   Call: (215) [system] peek_char((0x563acd73bee0), _176392)
   Exit: (215) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _175458=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (214) [system] _161522=[k]
   Exit: (214) [system] [k]=[k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (213) [system] _147586=[n, k]
   Exit: (213) [system] [n, k]=[n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (212) [system] _133650=[i, n, k]
   Exit: (212) [system] [i, n, k]=[i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (211) [system] _119714=['L', i, n, k]
   Exit: (211) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (210) [system] _105778=[r, 'L', i, n, k]
   Exit: (210) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (209) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _70268)
^  Call: (210) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _199646)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_200598, _200600), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _199646), _200580, fail)), '$restore_trace'(_200598, _200600))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_200598, _200600))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _199646), _200580, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_199646)
   Fail: (211) [system] atomic(_199646)
   Call: (211) [system] atom_chars(_199646, ['O', r, 'L', i, n, k])
   Exit: (211) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (210) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (210) [system] integer('OrLink')
   Fail: (210) [system] integer('OrLink')
   Call: (210) [system] _70268='OrLink'
   Exit: (210) [system] 'OrLink'='OrLink'
^  Exit: (209) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (208) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (207) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (207) [user] read_list(')', (0x563acd73bee0), _214596)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _216454)
   Exit: (209) [system] peek_char((0x563acd73bee0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x563acd73bee0), _226048)
   Exit: (209) [system] get_char((0x563acd73bee0), ' ')
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _228752)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'C')
   Call: (210) [system] 'C'=(;)
   Fail: (210) [system] 'C'=(;)
   Call: (210) [system] 'C'=(/)
   Fail: (210) [system] 'C'=(/)
^  Call: (210) [user] is_like_space('C')
   Call: (211) [system] char_type('C', 'white')
   Fail: (211) [system] char_type('C', 'white')
   Call: (211) [system] char_type('C', end_of_line)
   Fail: (211) [system] char_type('C', end_of_line)
   Call: (211) [system] char_type('C', space)
   Fail: (211) [system] char_type('C', space)
   Call: (211) [system] char_type('C', cntrl)
   Fail: (211) [system] char_type('C', cntrl)
^  Fail: (210) [user] is_like_space('C')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _245686)
   Exit: (208) [system] peek_char((0x563acd73bee0), 'C')
   Call: (208) [system] 'C'=')'
   Fail: (208) [system] 'C'=')'
   Call: (208) [system] 'C'=end_of_file
   Fail: (208) [system] 'C'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x563acd73bee0), _251256)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _253114)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'C')
   Call: (210) [system] 'C'=(;)
   Fail: (210) [system] 'C'=(;)
   Call: (210) [system] 'C'=(/)
   Fail: (210) [system] 'C'=(/)
^  Call: (210) [user] is_like_space('C')
   Call: (211) [system] char_type('C', 'white')
   Fail: (211) [system] char_type('C', 'white')
   Call: (211) [system] char_type('C', end_of_line)
   Fail: (211) [system] char_type('C', end_of_line)
   Call: (211) [system] char_type('C', space)
   Fail: (211) [system] char_type('C', space)
   Call: (211) [system] char_type('C', cntrl)
   Fail: (211) [system] char_type('C', cntrl)
^  Fail: (210) [user] is_like_space('C')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] get_char((0x563acd73bee0), _269124)
   Exit: (209) [system] get_char((0x563acd73bee0), 'C')
   Call: (209) [system] 'C'='('
   Fail: (209) [system] 'C'='('
   Call: (209) [system] 'C'='['
   Fail: (209) [system] 'C'='['
   Call: (209) [system] 'C'='{'
   Fail: (209) [system] 'C'='{'
   Call: (209) [system] 'C'='"'
   Fail: (209) [system] 'C'='"'
   Call: (209) [system] 'C'=!
   Fail: (209) [system] 'C'=!
   Call: (209) [system] 'C'='\''
   Fail: (209) [system] 'C'='\''
   Call: (209) [system] 'C'='`'
   Fail: (209) [system] 'C'='`'
   Call: (209) [system] 'C'=end_of_file
   Fail: (209) [system] 'C'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x563acd73bee0), 'C', _251256)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _286766)
   Call: (211) [system] peek_char((0x563acd73bee0), _287700)
   Exit: (211) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _286766=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (210) [user] classify_and_convert_charseq(['C'], _251256)
^  Call: (211) [user] classify_and_convert_charseq_(['C'], _296984)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_297936, _297938), once(user:catch(read_from_chars(['C'], _296984), _297918, fail)), '$restore_trace'(_297936, _297938))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_297936, _297938))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _296984), _297918, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_296984)
   Fail: (212) [system] atomic(_296984)
   Call: (212) [system] atom_chars(_296984, ['C'])
   Exit: (212) [system] atom_chars('C', ['C'])
^  Exit: (211) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (211) [system] integer('C')
   Fail: (211) [system] integer('C')
   Call: (211) [system] _251256='C'
   Exit: (211) [system] 'C'='C'
^  Exit: (210) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (209) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (208) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (208) [user] read_list(')', (0x563acd73bee0), _311934)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _313792)
   Exit: (210) [system] peek_char((0x563acd73bee0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x563acd73bee0), _323386)
   Exit: (210) [system] get_char((0x563acd73bee0), ' ')
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _326090)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'D')
   Call: (211) [system] 'D'=(;)
   Fail: (211) [system] 'D'=(;)
   Call: (211) [system] 'D'=(/)
   Fail: (211) [system] 'D'=(/)
^  Call: (211) [user] is_like_space('D')
   Call: (212) [system] char_type('D', 'white')
   Fail: (212) [system] char_type('D', 'white')
   Call: (212) [system] char_type('D', end_of_line)
   Fail: (212) [system] char_type('D', end_of_line)
   Call: (212) [system] char_type('D', space)
   Fail: (212) [system] char_type('D', space)
   Call: (212) [system] char_type('D', cntrl)
   Fail: (212) [system] char_type('D', cntrl)
^  Fail: (211) [user] is_like_space('D')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _343024)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'D')
   Call: (209) [system] 'D'=')'
   Fail: (209) [system] 'D'=')'
   Call: (209) [system] 'D'=end_of_file
   Fail: (209) [system] 'D'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x563acd73bee0), _348594)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _350452)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'D')
   Call: (211) [system] 'D'=(;)
   Fail: (211) [system] 'D'=(;)
   Call: (211) [system] 'D'=(/)
   Fail: (211) [system] 'D'=(/)
^  Call: (211) [user] is_like_space('D')
   Call: (212) [system] char_type('D', 'white')
   Fail: (212) [system] char_type('D', 'white')
   Call: (212) [system] char_type('D', end_of_line)
   Fail: (212) [system] char_type('D', end_of_line)
   Call: (212) [system] char_type('D', space)
   Fail: (212) [system] char_type('D', space)
   Call: (212) [system] char_type('D', cntrl)
   Fail: (212) [system] char_type('D', cntrl)
^  Fail: (211) [user] is_like_space('D')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] get_char((0x563acd73bee0), _366462)
   Exit: (210) [system] get_char((0x563acd73bee0), 'D')
   Call: (210) [system] 'D'='('
   Fail: (210) [system] 'D'='('
   Call: (210) [system] 'D'='['
   Fail: (210) [system] 'D'='['
   Call: (210) [system] 'D'='{'
   Fail: (210) [system] 'D'='{'
   Call: (210) [system] 'D'='"'
   Fail: (210) [system] 'D'='"'
   Call: (210) [system] 'D'=!
   Fail: (210) [system] 'D'=!
   Call: (210) [system] 'D'='\''
   Fail: (210) [system] 'D'='\''
   Call: (210) [system] 'D'='`'
   Fail: (210) [system] 'D'='`'
   Call: (210) [system] 'D'=end_of_file
   Fail: (210) [system] 'D'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x563acd73bee0), 'D', _348594)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _384104)
   Call: (212) [system] peek_char((0x563acd73bee0), _385038)
   Exit: (212) [system] peek_char((0x563acd73bee0), ')')
^  Call: (212) [user] is_delimiter(')')
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] arg(_389758, v('(', ')', end_of_file), ')')
   Exit: (213) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (212) [user] is_delimiter(')')
   Call: (212) [system] _384104=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (211) [user] classify_and_convert_charseq(['D'], _348594)
^  Call: (212) [user] classify_and_convert_charseq_(['D'], _396194)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_397146, _397148), once(user:catch(read_from_chars(['D'], _396194), _397128, fail)), '$restore_trace'(_397146, _397148))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_397146, _397148))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _396194), _397128, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_396194)
   Fail: (213) [system] atomic(_396194)
   Call: (213) [system] atom_chars(_396194, ['D'])
   Exit: (213) [system] atom_chars('D', ['D'])
^  Exit: (212) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (212) [system] integer('D')
   Fail: (212) [system] integer('D')
   Call: (212) [system] _348594='D'
   Exit: (212) [system] 'D'='D'
^  Exit: (211) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (210) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'D')
^  Exit: (209) [user] cont_sexpr(')', (0x563acd73bee0), 'D')
^  Call: (209) [user] read_list(')', (0x563acd73bee0), _411144)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _413002)
   Exit: (211) [system] peek_char((0x563acd73bee0), ')')
   Call: (211) [system] ')'=(;)
   Fail: (211) [system] ')'=(;)
   Call: (211) [system] ')'=(/)
   Fail: (211) [system] ')'=(/)
^  Call: (211) [user] is_like_space(')')
   Call: (212) [system] char_type(')', 'white')
   Fail: (212) [system] char_type(')', 'white')
   Call: (212) [system] char_type(')', end_of_line)
   Fail: (212) [system] char_type(')', end_of_line)
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] char_type(')', cntrl)
   Fail: (212) [system] char_type(')', cntrl)
^  Fail: (211) [user] is_like_space(')')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _429012)
   Exit: (210) [system] peek_char((0x563acd73bee0), ')')
   Call: (210) [system] ')'=')'
   Exit: (210) [system] ')'=')'
   Call: (210) [system] get_char((0x563acd73bee0), _432802)
   Exit: (210) [system] get_char((0x563acd73bee0), ')')
   Call: (210) [system] _411144=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_list(')', (0x563acd73bee0), [])
   Call: (209) [system] _311934=['D']
   Exit: (209) [system] ['D']=['D']
^  Exit: (208) [user] read_list(')', (0x563acd73bee0), ['D'])
   Call: (208) [system] _214596=['C', 'D']
   Exit: (208) [system] ['C', 'D']=['C', 'D']
^  Exit: (207) [user] read_list(')', (0x563acd73bee0), ['C', 'D'])
   Call: (207) [system] _25250=['OrLink', 'C', 'D']
   Exit: (207) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (206) [user] read_list(')', (0x563acd73bee0), ['OrLink', 'C', 'D'])
^  Exit: (205) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', 'C', 'D'])
^  Call: (205) [user] read_list(')', (0x563acd73bee0), _446684)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _448542)
   Exit: (207) [system] peek_char((0x563acd73bee0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
   Call: (207) [system] ' '=(/)
   Fail: (207) [system] ' '=(/)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x563acd73bee0), _458136)
   Exit: (207) [system] get_char((0x563acd73bee0), ' ')
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _460840)
   Exit: (208) [system] peek_char((0x563acd73bee0), 'E')
   Call: (208) [system] 'E'=(;)
   Fail: (208) [system] 'E'=(;)
   Call: (208) [system] 'E'=(/)
   Fail: (208) [system] 'E'=(/)
^  Call: (208) [user] is_like_space('E')
   Call: (209) [system] char_type('E', 'white')
   Fail: (209) [system] char_type('E', 'white')
   Call: (209) [system] char_type('E', end_of_line)
   Fail: (209) [system] char_type('E', end_of_line)
   Call: (209) [system] char_type('E', space)
   Fail: (209) [system] char_type('E', space)
   Call: (209) [system] char_type('E', cntrl)
   Fail: (209) [system] char_type('E', cntrl)
^  Fail: (208) [user] is_like_space('E')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _477774)
   Exit: (206) [system] peek_char((0x563acd73bee0), 'E')
   Call: (206) [system] 'E'=')'
   Fail: (206) [system] 'E'=')'
   Call: (206) [system] 'E'=end_of_file
   Fail: (206) [system] 'E'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x563acd73bee0), _483344)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _485202)
   Exit: (208) [system] peek_char((0x563acd73bee0), 'E')
   Call: (208) [system] 'E'=(;)
   Fail: (208) [system] 'E'=(;)
   Call: (208) [system] 'E'=(/)
   Fail: (208) [system] 'E'=(/)
^  Call: (208) [user] is_like_space('E')
   Call: (209) [system] char_type('E', 'white')
   Fail: (209) [system] char_type('E', 'white')
   Call: (209) [system] char_type('E', end_of_line)
   Fail: (209) [system] char_type('E', end_of_line)
   Call: (209) [system] char_type('E', space)
   Fail: (209) [system] char_type('E', space)
   Call: (209) [system] char_type('E', cntrl)
   Fail: (209) [system] char_type('E', cntrl)
^  Fail: (208) [user] is_like_space('E')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] get_char((0x563acd73bee0), _501212)
   Exit: (207) [system] get_char((0x563acd73bee0), 'E')
   Call: (207) [system] 'E'='('
   Fail: (207) [system] 'E'='('
   Call: (207) [system] 'E'='['
   Fail: (207) [system] 'E'='['
   Call: (207) [system] 'E'='{'
   Fail: (207) [system] 'E'='{'
   Call: (207) [system] 'E'='"'
   Fail: (207) [system] 'E'='"'
   Call: (207) [system] 'E'=!
   Fail: (207) [system] 'E'=!
   Call: (207) [system] 'E'='\''
   Fail: (207) [system] 'E'='\''
   Call: (207) [system] 'E'='`'
   Fail: (207) [system] 'E'='`'
   Call: (207) [system] 'E'=end_of_file
   Fail: (207) [system] 'E'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x563acd73bee0), 'E', _483344)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _518854)
   Call: (209) [system] peek_char((0x563acd73bee0), _519788)
   Exit: (209) [system] peek_char((0x563acd73bee0), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_524508, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _518854=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (208) [user] classify_and_convert_charseq(['E'], _483344)
^  Call: (209) [user] classify_and_convert_charseq_(['E'], _530944)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_531896, _531898), once(user:catch(read_from_chars(['E'], _530944), _531878, fail)), '$restore_trace'(_531896, _531898))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_531896, _531898))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _530944), _531878, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_530944)
   Fail: (210) [system] atomic(_530944)
   Call: (210) [system] atom_chars(_530944, ['E'])
   Exit: (210) [system] atom_chars('E', ['E'])
^  Exit: (209) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (209) [system] integer('E')
   Fail: (209) [system] integer('E')
   Call: (209) [system] _483344='E'
   Exit: (209) [system] 'E'='E'
^  Exit: (208) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (207) [user] read_symbolic(')', (0x563acd73bee0), 'E', 'E')
^  Exit: (206) [user] cont_sexpr(')', (0x563acd73bee0), 'E')
^  Call: (206) [user] read_list(')', (0x563acd73bee0), _545894)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _547752)
   Exit: (208) [system] peek_char((0x563acd73bee0), ')')
   Call: (208) [system] ')'=(;)
   Fail: (208) [system] ')'=(;)
   Call: (208) [system] ')'=(/)
   Fail: (208) [system] ')'=(/)
^  Call: (208) [user] is_like_space(')')
   Call: (209) [system] char_type(')', 'white')
   Fail: (209) [system] char_type(')', 'white')
   Call: (209) [system] char_type(')', end_of_line)
   Fail: (209) [system] char_type(')', end_of_line)
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] char_type(')', cntrl)
   Fail: (209) [system] char_type(')', cntrl)
^  Fail: (208) [user] is_like_space(')')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _563762)
   Exit: (207) [system] peek_char((0x563acd73bee0), ')')
   Call: (207) [system] ')'=')'
   Exit: (207) [system] ')'=')'
   Call: (207) [system] get_char((0x563acd73bee0), _567552)
   Exit: (207) [system] get_char((0x563acd73bee0), ')')
   Call: (207) [system] _545894=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_list(')', (0x563acd73bee0), [])
   Call: (206) [system] _446684=['E']
   Exit: (206) [system] ['E']=['E']
^  Exit: (205) [user] read_list(')', (0x563acd73bee0), ['E'])
   Call: (205) [system] _3850=[['OrLink', 'C', 'D'], 'E']
   Exit: (205) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (204) [user] read_list(')', (0x563acd73bee0), [['OrLink', 'C', 'D'], 'E'])
   Call: (204) [system] _3842=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (204) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (203) [user] read_list(')', (0x563acd73bee0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (202) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (202) [user] read_list(')', (0x563acd73bee0), _581434)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _583292)
   Exit: (204) [system] peek_char((0x563acd73bee0), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
   Call: (204) [system] ')'=(/)
   Fail: (204) [system] ')'=(/)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _599302)
   Exit: (203) [system] peek_char((0x563acd73bee0), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x563acd73bee0), _603092)
   Exit: (203) [system] get_char((0x563acd73bee0), ')')
   Call: (203) [system] _581434=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x563acd73bee0), [])
   Call: (202) [system] _3838=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (202) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (201) [user] read_list(')', (0x563acd73bee0), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (201) [system] _3796=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (201) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (200) [system] _3788=['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (200) [system] ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (198) [user] cont_sexpr(')', (0x563acd73bee0), ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _616974)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _618832)
   Exit: (200) [system] peek_char((0x563acd73bee0), ')')
   Call: (200) [system] ')'=(;)
   Fail: (200) [system] ')'=(;)
   Call: (200) [system] ')'=(/)
   Fail: (200) [system] ')'=(/)
^  Call: (200) [user] is_like_space(')')
   Call: (201) [system] char_type(')', 'white')
   Fail: (201) [system] char_type(')', 'white')
   Call: (201) [system] char_type(')', end_of_line)
   Fail: (201) [system] char_type(')', end_of_line)
   Call: (201) [system] char_type(')', space)
   Fail: (201) [system] char_type(')', space)
   Call: (201) [system] char_type(')', cntrl)
   Fail: (201) [system] char_type(')', cntrl)
^  Fail: (200) [user] is_like_space(')')
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _634842)
   Exit: (199) [system] peek_char((0x563acd73bee0), ')')
   Call: (199) [system] ')'=')'
   Exit: (199) [system] ')'=')'
   Call: (199) [system] get_char((0x563acd73bee0), _638632)
   Exit: (199) [system] get_char((0x563acd73bee0), ')')
   Call: (199) [system] _616974=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_list(')', (0x563acd73bee0), [])
   Call: (198) [system] _3784=[['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (198) [system] [['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (197) [user] read_list(')', (0x563acd73bee0), [['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (197) [system] _3760=[['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (197) [system] [['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (196) [user] read_list(')', (0x563acd73bee0), [['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (196) [system] _3752=[:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (196) [system] [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (194) [user] cont_sexpr(')', (0x563acd73bee0), [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _652514)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _654372)
   Exit: (196) [system] peek_char((0x563acd73bee0), '\n')
   Call: (196) [system] '\n'=(;)
   Fail: (196) [system] '\n'=(;)
   Call: (196) [system] '\n'=(/)
   Fail: (196) [system] '\n'=(/)
^  Call: (196) [user] is_like_space('\n')
   Call: (197) [system] char_type('\n', 'white')
   Fail: (197) [system] char_type('\n', 'white')
   Call: (197) [system] char_type('\n', end_of_line)
   Exit: (197) [system] char_type('\n', end_of_line)
^  Exit: (196) [user] is_like_space('\n')
   Call: (196) [system] get_char((0x563acd73bee0), _665822)
   Exit: (196) [system] get_char((0x563acd73bee0), '\n')
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _668526)
   Exit: (197) [system] peek_char((0x563acd73bee0), '\t')
   Call: (197) [system] '\t'=(;)
   Fail: (197) [system] '\t'=(;)
   Call: (197) [system] '\t'=(/)
   Fail: (197) [system] '\t'=(/)
^  Call: (197) [user] is_like_space('\t')
   Call: (198) [system] char_type('\t', 'white')
   Exit: (198) [system] char_type('\t', 'white')
^  Exit: (197) [user] is_like_space('\t')
   Call: (197) [system] get_char((0x563acd73bee0), _678120)
   Exit: (197) [system] get_char((0x563acd73bee0), '\t')
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _680824)
   Exit: (198) [system] peek_char((0x563acd73bee0), '\t')
   Call: (198) [system] '\t'=(;)
   Fail: (198) [system] '\t'=(;)
   Call: (198) [system] '\t'=(/)
   Fail: (198) [system] '\t'=(/)
^  Call: (198) [user] is_like_space('\t')
   Call: (199) [system] char_type('\t', 'white')
   Exit: (199) [system] char_type('\t', 'white')
^  Exit: (198) [user] is_like_space('\t')
   Call: (198) [system] get_char((0x563acd73bee0), _690418)
   Exit: (198) [system] get_char((0x563acd73bee0), '\t')
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _693122)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x563acd73bee0), _702716)
   Exit: (199) [system] get_char((0x563acd73bee0), ' ')
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _705420)
   Exit: (200) [system] peek_char((0x563acd73bee0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _725126)
   Exit: (195) [system] peek_char((0x563acd73bee0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x563acd73bee0), _730696)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _732554)
   Exit: (197) [system] peek_char((0x563acd73bee0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] get_char((0x563acd73bee0), _748564)
   Exit: (196) [system] get_char((0x563acd73bee0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x563acd73bee0), _730696)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _754134)
   Exit: (198) [system] peek_char((0x563acd73bee0), :)
   Call: (198) [system] (:)=(;)
   Fail: (198) [system] (:)=(;)
   Call: (198) [system] (:)=(/)
   Fail: (198) [system] (:)=(/)
^  Call: (198) [user] is_like_space(:)
   Call: (199) [system] char_type(:, 'white')
   Fail: (199) [system] char_type(:, 'white')
   Call: (199) [system] char_type(:, end_of_line)
   Fail: (199) [system] char_type(:, end_of_line)
   Call: (199) [system] char_type(:, space)
   Fail: (199) [system] char_type(:, space)
   Call: (199) [system] char_type(:, cntrl)
   Fail: (199) [system] char_type(:, cntrl)
^  Fail: (198) [user] is_like_space(:)
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _770144)
   Exit: (197) [system] peek_char((0x563acd73bee0), :)
   Call: (197) [system] (:)=')'
   Fail: (197) [system] (:)=')'
   Call: (197) [system] (:)=end_of_file
   Fail: (197) [system] (:)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x563acd73bee0), _775714)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _777572)
   Exit: (199) [system] peek_char((0x563acd73bee0), :)
   Call: (199) [system] (:)=(;)
   Fail: (199) [system] (:)=(;)
   Call: (199) [system] (:)=(/)
   Fail: (199) [system] (:)=(/)
^  Call: (199) [user] is_like_space(:)
   Call: (200) [system] char_type(:, 'white')
   Fail: (200) [system] char_type(:, 'white')
   Call: (200) [system] char_type(:, end_of_line)
   Fail: (200) [system] char_type(:, end_of_line)
   Call: (200) [system] char_type(:, space)
   Fail: (200) [system] char_type(:, space)
   Call: (200) [system] char_type(:, cntrl)
   Fail: (200) [system] char_type(:, cntrl)
^  Fail: (199) [user] is_like_space(:)
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] get_char((0x563acd73bee0), _793582)
   Exit: (198) [system] get_char((0x563acd73bee0), :)
   Call: (198) [system] (:)='('
   Fail: (198) [system] (:)='('
   Call: (198) [system] (:)='['
   Fail: (198) [system] (:)='['
   Call: (198) [system] (:)='{'
   Fail: (198) [system] (:)='{'
   Call: (198) [system] (:)='"'
   Fail: (198) [system] (:)='"'
   Call: (198) [system] (:)=!
   Fail: (198) [system] (:)=!
   Call: (198) [system] (:)='\''
   Fail: (198) [system] (:)='\''
   Call: (198) [system] (:)='`'
   Fail: (198) [system] (:)='`'
   Call: (198) [system] (:)=end_of_file
   Fail: (198) [system] (:)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x563acd73bee0), :, _775714)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _811224)
   Call: (200) [system] peek_char((0x563acd73bee0), _812158)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _811224=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (199) [user] classify_and_convert_charseq([:], _775714)
^  Call: (200) [user] classify_and_convert_charseq_([:], _821442)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_822394, _822396), once(user:catch(read_from_chars([:], _821442), _822376, fail)), '$restore_trace'(_822394, _822396))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_822394, _822396))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _822376, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(:)
   Exit: (201) [system] atomic(:)
^  Exit: (200) [user] classify_and_convert_charseq_([:], :)
   Call: (200) [system] integer(:)
   Fail: (200) [system] integer(:)
   Call: (200) [system] _775714=(:)
   Exit: (200) [system] (:)=(:)
^  Exit: (199) [user] classify_and_convert_charseq([:], :)
^  Exit: (198) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (197) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _834522)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _836380)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x563acd73bee0), _845974)
   Exit: (199) [system] get_char((0x563acd73bee0), ' ')
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _848678)
   Exit: (200) [system] peek_char((0x563acd73bee0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _865612)
   Exit: (198) [system] peek_char((0x563acd73bee0), '(')
   Call: (198) [system] '('=')'
   Fail: (198) [system] '('=')'
   Call: (198) [system] '('=end_of_file
   Fail: (198) [system] '('=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x563acd73bee0), _871182)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _873040)
   Exit: (200) [system] peek_char((0x563acd73bee0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] get_char((0x563acd73bee0), _889050)
   Exit: (199) [system] get_char((0x563acd73bee0), '(')
   Call: (199) [system] '('='('
   Exit: (199) [system] '('='('
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _871182)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _894620)
   Exit: (201) [system] peek_char((0x563acd73bee0), 'C')
   Call: (201) [system] 'C'=(;)
   Fail: (201) [system] 'C'=(;)
   Call: (201) [system] 'C'=(/)
   Fail: (201) [system] 'C'=(/)
^  Call: (201) [user] is_like_space('C')
   Call: (202) [system] char_type('C', 'white')
   Fail: (202) [system] char_type('C', 'white')
   Call: (202) [system] char_type('C', end_of_line)
   Fail: (202) [system] char_type('C', end_of_line)
   Call: (202) [system] char_type('C', space)
   Fail: (202) [system] char_type('C', space)
   Call: (202) [system] char_type('C', cntrl)
   Fail: (202) [system] char_type('C', cntrl)
^  Fail: (201) [user] is_like_space('C')
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _910630)
   Exit: (200) [system] peek_char((0x563acd73bee0), 'C')
   Call: (200) [system] 'C'=')'
   Fail: (200) [system] 'C'=')'
   Call: (200) [system] 'C'=end_of_file
   Fail: (200) [system] 'C'=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x563acd73bee0), _916200)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _918058)
   Exit: (202) [system] peek_char((0x563acd73bee0), 'C')
   Call: (202) [system] 'C'=(;)
   Fail: (202) [system] 'C'=(;)
   Call: (202) [system] 'C'=(/)
   Fail: (202) [system] 'C'=(/)
^  Call: (202) [user] is_like_space('C')
   Call: (203) [system] char_type('C', 'white')
   Fail: (203) [system] char_type('C', 'white')
   Call: (203) [system] char_type('C', end_of_line)
   Fail: (203) [system] char_type('C', end_of_line)
   Call: (203) [system] char_type('C', space)
   Fail: (203) [system] char_type('C', space)
   Call: (203) [system] char_type('C', cntrl)
   Fail: (203) [system] char_type('C', cntrl)
^  Fail: (202) [user] is_like_space('C')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] get_char((0x563acd73bee0), _934068)
   Exit: (201) [system] get_char((0x563acd73bee0), 'C')
   Call: (201) [system] 'C'='('
   Fail: (201) [system] 'C'='('
   Call: (201) [system] 'C'='['
   Fail: (201) [system] 'C'='['
   Call: (201) [system] 'C'='{'
   Fail: (201) [system] 'C'='{'
   Call: (201) [system] 'C'='"'
   Fail: (201) [system] 'C'='"'
   Call: (201) [system] 'C'=!
   Fail: (201) [system] 'C'=!
   Call: (201) [system] 'C'='\''
   Fail: (201) [system] 'C'='\''
   Call: (201) [system] 'C'='`'
   Fail: (201) [system] 'C'='`'
   Call: (201) [system] 'C'=end_of_file
   Fail: (201) [system] 'C'=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x563acd73bee0), 'C', _916200)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _951710)
   Call: (203) [system] peek_char((0x563acd73bee0), _952644)
   Exit: (203) [system] peek_char((0x563acd73bee0), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Fail: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_957364, v('(', ')', end_of_file), o)
   Fail: (204) [system] arg(_958296, v('(', ')', end_of_file), o)
^  Fail: (203) [user] is_delimiter(o)
   Call: (203) [system] ')'==o
   Fail: (203) [system] ')'==o
   Call: (203) [system] get_char((0x563acd73bee0), o)
   Exit: (203) [system] get_char((0x563acd73bee0), o)
   Call: (203) [system] o=(\)
   Fail: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _965646)
   Call: (204) [system] peek_char((0x563acd73bee0), _966580)
   Exit: (204) [system] peek_char((0x563acd73bee0), n)
^  Call: (204) [user] is_delimiter(n)
   Call: (205) [system] char_type(n, space)
   Fail: (205) [system] char_type(n, space)
   Call: (205) [system] arg(_971300, v('(', ')', end_of_file), n)
   Fail: (205) [system] arg(_972232, v('(', ')', end_of_file), n)
^  Fail: (204) [user] is_delimiter(n)
   Call: (204) [system] ')'==n
   Fail: (204) [system] ')'==n
   Call: (204) [system] get_char((0x563acd73bee0), n)
   Exit: (204) [system] get_char((0x563acd73bee0), n)
   Call: (204) [system] n=(\)
   Fail: (204) [system] n=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _979582)
   Call: (205) [system] peek_char((0x563acd73bee0), _980516)
   Exit: (205) [system] peek_char((0x563acd73bee0), j)
^  Call: (205) [user] is_delimiter(j)
   Call: (206) [system] char_type(j, space)
   Fail: (206) [system] char_type(j, space)
   Call: (206) [system] arg(_985236, v('(', ')', end_of_file), j)
   Fail: (206) [system] arg(_986168, v('(', ')', end_of_file), j)
^  Fail: (205) [user] is_delimiter(j)
   Call: (205) [system] ')'==j
   Fail: (205) [system] ')'==j
   Call: (205) [system] get_char((0x563acd73bee0), j)
   Exit: (205) [system] get_char((0x563acd73bee0), j)
   Call: (205) [system] j=(\)
   Fail: (205) [system] j=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _993518)
   Call: (206) [system] peek_char((0x563acd73bee0), _994452)
   Exit: (206) [system] peek_char((0x563acd73bee0), u)
^  Call: (206) [user] is_delimiter(u)
   Call: (207) [system] char_type(u, space)
   Fail: (207) [system] char_type(u, space)
   Call: (207) [system] arg(_999172, v('(', ')', end_of_file), u)
   Fail: (207) [system] arg(_1000104, v('(', ')', end_of_file), u)
^  Fail: (206) [user] is_delimiter(u)
   Call: (206) [system] ')'==u
   Fail: (206) [system] ')'==u
   Call: (206) [system] get_char((0x563acd73bee0), u)
   Exit: (206) [system] get_char((0x563acd73bee0), u)
   Call: (206) [system] u=(\)
   Fail: (206) [system] u=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1007454)
   Call: (207) [system] peek_char((0x563acd73bee0), _1008388)
   Exit: (207) [system] peek_char((0x563acd73bee0), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Fail: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_1013108, v('(', ')', end_of_file), n)
   Fail: (208) [system] arg(_1014040, v('(', ')', end_of_file), n)
^  Fail: (207) [user] is_delimiter(n)
   Call: (207) [system] ')'==n
   Fail: (207) [system] ')'==n
   Call: (207) [system] get_char((0x563acd73bee0), n)
   Exit: (207) [system] get_char((0x563acd73bee0), n)
   Call: (207) [system] n=(\)
   Fail: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1021390)
   Call: (208) [system] peek_char((0x563acd73bee0), _1022324)
   Exit: (208) [system] peek_char((0x563acd73bee0), c)
^  Call: (208) [user] is_delimiter(c)
   Call: (209) [system] char_type(c, space)
   Fail: (209) [system] char_type(c, space)
   Call: (209) [system] arg(_1027044, v('(', ')', end_of_file), c)
   Fail: (209) [system] arg(_1027976, v('(', ')', end_of_file), c)
^  Fail: (208) [user] is_delimiter(c)
   Call: (208) [system] ')'==c
   Fail: (208) [system] ')'==c
   Call: (208) [system] get_char((0x563acd73bee0), c)
   Exit: (208) [system] get_char((0x563acd73bee0), c)
   Call: (208) [system] c=(\)
   Fail: (208) [system] c=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1035326)
   Call: (209) [system] peek_char((0x563acd73bee0), _1036260)
   Exit: (209) [system] peek_char((0x563acd73bee0), t)
^  Call: (209) [user] is_delimiter(t)
   Call: (210) [system] char_type(t, space)
   Fail: (210) [system] char_type(t, space)
   Call: (210) [system] arg(_1040980, v('(', ')', end_of_file), t)
   Fail: (210) [system] arg(_1041912, v('(', ')', end_of_file), t)
^  Fail: (209) [user] is_delimiter(t)
   Call: (209) [system] ')'==t
   Fail: (209) [system] ')'==t
   Call: (209) [system] get_char((0x563acd73bee0), t)
   Exit: (209) [system] get_char((0x563acd73bee0), t)
   Call: (209) [system] t=(\)
   Fail: (209) [system] t=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1049262)
   Call: (210) [system] peek_char((0x563acd73bee0), _1050196)
   Exit: (210) [system] peek_char((0x563acd73bee0), i)
^  Call: (210) [user] is_delimiter(i)
   Call: (211) [system] char_type(i, space)
   Fail: (211) [system] char_type(i, space)
   Call: (211) [system] arg(_1054916, v('(', ')', end_of_file), i)
   Fail: (211) [system] arg(_1055848, v('(', ')', end_of_file), i)
^  Fail: (210) [user] is_delimiter(i)
   Call: (210) [system] ')'==i
   Fail: (210) [system] ')'==i
   Call: (210) [system] get_char((0x563acd73bee0), i)
   Exit: (210) [system] get_char((0x563acd73bee0), i)
   Call: (210) [system] i=(\)
   Fail: (210) [system] i=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1063198)
   Call: (211) [system] peek_char((0x563acd73bee0), _1064132)
   Exit: (211) [system] peek_char((0x563acd73bee0), o)
^  Call: (211) [user] is_delimiter(o)
   Call: (212) [system] char_type(o, space)
   Fail: (212) [system] char_type(o, space)
   Call: (212) [system] arg(_1068852, v('(', ')', end_of_file), o)
   Fail: (212) [system] arg(_1069784, v('(', ')', end_of_file), o)
^  Fail: (211) [user] is_delimiter(o)
   Call: (211) [system] ')'==o
   Fail: (211) [system] ')'==o
   Call: (211) [system] get_char((0x563acd73bee0), o)
   Exit: (211) [system] get_char((0x563acd73bee0), o)
   Call: (211) [system] o=(\)
   Fail: (211) [system] o=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1077134)
   Call: (212) [system] peek_char((0x563acd73bee0), _1078068)
   Exit: (212) [system] peek_char((0x563acd73bee0), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Fail: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_1082788, v('(', ')', end_of_file), n)
   Fail: (213) [system] arg(_1083720, v('(', ')', end_of_file), n)
^  Fail: (212) [user] is_delimiter(n)
   Call: (212) [system] ')'==n
   Fail: (212) [system] ')'==n
   Call: (212) [system] get_char((0x563acd73bee0), n)
   Exit: (212) [system] get_char((0x563acd73bee0), n)
   Call: (212) [system] n=(\)
   Fail: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _1091070)
   Call: (213) [system] peek_char((0x563acd73bee0), _1092004)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'I')
^  Call: (213) [user] is_delimiter('I')
   Call: (214) [system] char_type('I', space)
   Fail: (214) [system] char_type('I', space)
   Call: (214) [system] arg(_1096724, v('(', ')', end_of_file), 'I')
   Fail: (214) [system] arg(_1097656, v('(', ')', end_of_file), 'I')
^  Fail: (213) [user] is_delimiter('I')
   Call: (213) [system] ')'=='I'
   Fail: (213) [system] ')'=='I'
   Call: (213) [system] get_char((0x563acd73bee0), 'I')
   Exit: (213) [system] get_char((0x563acd73bee0), 'I')
   Call: (213) [system] 'I'=(\)
   Fail: (213) [system] 'I'=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _1105006)
   Call: (214) [system] peek_char((0x563acd73bee0), _1105940)
   Exit: (214) [system] peek_char((0x563acd73bee0), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_1110660, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_1111592, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x563acd73bee0), n)
   Exit: (214) [system] get_char((0x563acd73bee0), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _1118942)
   Call: (215) [system] peek_char((0x563acd73bee0), _1119876)
   Exit: (215) [system] peek_char((0x563acd73bee0), t)
^  Call: (215) [user] is_delimiter(t)
   Call: (216) [system] char_type(t, space)
   Fail: (216) [system] char_type(t, space)
   Call: (216) [system] arg(_1124596, v('(', ')', end_of_file), t)
   Fail: (216) [system] arg(_1125528, v('(', ')', end_of_file), t)
^  Fail: (215) [user] is_delimiter(t)
   Call: (215) [system] ')'==t
   Fail: (215) [system] ')'==t
   Call: (215) [system] get_char((0x563acd73bee0), t)
   Exit: (215) [system] get_char((0x563acd73bee0), t)
   Call: (215) [system] t=(\)
   Fail: (215) [system] t=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _1132878)
   Call: (216) [system] peek_char((0x563acd73bee0), _1133812)
   Exit: (216) [system] peek_char((0x563acd73bee0), r)
^  Call: (216) [user] is_delimiter(r)
   Call: (217) [system] char_type(r, space)
   Fail: (217) [system] char_type(r, space)
   Call: (217) [system] arg(_1138532, v('(', ')', end_of_file), r)
   Fail: (217) [system] arg(_1139464, v('(', ')', end_of_file), r)
^  Fail: (216) [user] is_delimiter(r)
   Call: (216) [system] ')'==r
   Fail: (216) [system] ')'==r
   Call: (216) [system] get_char((0x563acd73bee0), r)
   Exit: (216) [system] get_char((0x563acd73bee0), r)
   Call: (216) [system] r=(\)
   Fail: (216) [system] r=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _1146814)
   Call: (217) [system] peek_char((0x563acd73bee0), _1147748)
   Exit: (217) [system] peek_char((0x563acd73bee0), o)
^  Call: (217) [user] is_delimiter(o)
   Call: (218) [system] char_type(o, space)
   Fail: (218) [system] char_type(o, space)
   Call: (218) [system] arg(_1152468, v('(', ')', end_of_file), o)
   Fail: (218) [system] arg(_1153400, v('(', ')', end_of_file), o)
^  Fail: (217) [user] is_delimiter(o)
   Call: (217) [system] ')'==o
   Fail: (217) [system] ')'==o
   Call: (217) [system] get_char((0x563acd73bee0), o)
   Exit: (217) [system] get_char((0x563acd73bee0), o)
   Call: (217) [system] o=(\)
   Fail: (217) [system] o=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _1160750)
   Call: (218) [system] peek_char((0x563acd73bee0), _1161684)
   Exit: (218) [system] peek_char((0x563acd73bee0), d)
^  Call: (218) [user] is_delimiter(d)
   Call: (219) [system] char_type(d, space)
   Fail: (219) [system] char_type(d, space)
   Call: (219) [system] arg(_1166404, v('(', ')', end_of_file), d)
   Fail: (219) [system] arg(_1167336, v('(', ')', end_of_file), d)
^  Fail: (218) [user] is_delimiter(d)
   Call: (218) [system] ')'==d
   Fail: (218) [system] ')'==d
   Call: (218) [system] get_char((0x563acd73bee0), d)
   Exit: (218) [system] get_char((0x563acd73bee0), d)
   Call: (218) [system] d=(\)
   Fail: (218) [system] d=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _1174686)
   Call: (219) [system] peek_char((0x563acd73bee0), _1175620)
   Exit: (219) [system] peek_char((0x563acd73bee0), u)
^  Call: (219) [user] is_delimiter(u)
   Call: (220) [system] char_type(u, space)
   Fail: (220) [system] char_type(u, space)
   Call: (220) [system] arg(_1180340, v('(', ')', end_of_file), u)
   Fail: (220) [system] arg(_1181272, v('(', ')', end_of_file), u)
^  Fail: (219) [user] is_delimiter(u)
   Call: (219) [system] ')'==u
   Fail: (219) [system] ')'==u
   Call: (219) [system] get_char((0x563acd73bee0), u)
   Exit: (219) [system] get_char((0x563acd73bee0), u)
   Call: (219) [system] u=(\)
   Fail: (219) [system] u=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _1188622)
   Call: (220) [system] peek_char((0x563acd73bee0), _1189556)
   Exit: (220) [system] peek_char((0x563acd73bee0), c)
^  Call: (220) [user] is_delimiter(c)
   Call: (221) [system] char_type(c, space)
   Fail: (221) [system] char_type(c, space)
   Call: (221) [system] arg(_1194276, v('(', ')', end_of_file), c)
   Fail: (221) [system] arg(_1195208, v('(', ')', end_of_file), c)
^  Fail: (220) [user] is_delimiter(c)
   Call: (220) [system] ')'==c
   Fail: (220) [system] ')'==c
   Call: (220) [system] get_char((0x563acd73bee0), c)
   Exit: (220) [system] get_char((0x563acd73bee0), c)
   Call: (220) [system] c=(\)
   Fail: (220) [system] c=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _1202558)
   Call: (221) [system] peek_char((0x563acd73bee0), _1203492)
   Exit: (221) [system] peek_char((0x563acd73bee0), t)
^  Call: (221) [user] is_delimiter(t)
   Call: (222) [system] char_type(t, space)
   Fail: (222) [system] char_type(t, space)
   Call: (222) [system] arg(_1208212, v('(', ')', end_of_file), t)
   Fail: (222) [system] arg(_1209144, v('(', ')', end_of_file), t)
^  Fail: (221) [user] is_delimiter(t)
   Call: (221) [system] ')'==t
   Fail: (221) [system] ')'==t
   Call: (221) [system] get_char((0x563acd73bee0), t)
   Exit: (221) [system] get_char((0x563acd73bee0), t)
   Call: (221) [system] t=(\)
   Fail: (221) [system] t=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _1216494)
   Call: (222) [system] peek_char((0x563acd73bee0), _1217428)
   Exit: (222) [system] peek_char((0x563acd73bee0), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_1222148, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_1223080, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x563acd73bee0), i)
   Exit: (222) [system] get_char((0x563acd73bee0), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _1230430)
   Call: (223) [system] peek_char((0x563acd73bee0), _1231364)
   Exit: (223) [system] peek_char((0x563acd73bee0), o)
^  Call: (223) [user] is_delimiter(o)
   Call: (224) [system] char_type(o, space)
   Fail: (224) [system] char_type(o, space)
   Call: (224) [system] arg(_1236084, v('(', ')', end_of_file), o)
   Fail: (224) [system] arg(_1237016, v('(', ')', end_of_file), o)
^  Fail: (223) [user] is_delimiter(o)
   Call: (223) [system] ')'==o
   Fail: (223) [system] ')'==o
   Call: (223) [system] get_char((0x563acd73bee0), o)
   Exit: (223) [system] get_char((0x563acd73bee0), o)
   Call: (223) [system] o=(\)
   Fail: (223) [system] o=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _1244366)
   Call: (224) [system] peek_char((0x563acd73bee0), _1245300)
   Exit: (224) [system] peek_char((0x563acd73bee0), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_1250020, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_1250952, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x563acd73bee0), n)
   Exit: (224) [system] get_char((0x563acd73bee0), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _1258302)
   Call: (225) [system] peek_char((0x563acd73bee0), _1259236)
   Exit: (225) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _1258302=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (224) [system] _1244366=[n]
   Exit: (224) [system] [n]=[n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (223) [system] _1230430=[o, n]
   Exit: (223) [system] [o, n]=[o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (222) [system] _1216494=[i, o, n]
   Exit: (222) [system] [i, o, n]=[i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (221) [system] _1202558=[t, i, o, n]
   Exit: (221) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (220) [system] _1188622=[c, t, i, o, n]
   Exit: (220) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n])
   Call: (219) [system] _1174686=[u, c, t, i, o, n]
   Exit: (219) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, i, o, n])
   Call: (218) [system] _1160750=[d, u, c, t, i, o, n]
   Exit: (218) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, u, c, t, i, o, n])
   Call: (217) [system] _1146814=[o, d, u, c, t, i, o, n]
   Exit: (217) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, d, u, c, t, i, o, n])
   Call: (216) [system] _1132878=[r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1118942=[t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _1105006=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1091070=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _1077134=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _1063198=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _1049262=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _1035326=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _1021390=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (207) [system] _1007454=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (207) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (206) [system] _993518=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (206) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (205) [system] _979582=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (205) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (204) [system] _965646=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (204) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (203) [system] _951710=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (203) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (202) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _916200)
^  Call: (203) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1329988)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_1330940, _1330942), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1329988), _1330922, fail)), '$restore_trace'(_1330940, _1330942))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_1330940, _1330942))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1329988), _1330922, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(_1329988)
   Fail: (204) [system] atomic(_1329988)
   Call: (204) [system] atom_chars(_1329988, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (204) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (203) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
   Call: (203) [system] integer('ConjunctionIntroduction')
   Fail: (203) [system] integer('ConjunctionIntroduction')
   Call: (203) [system] _916200='ConjunctionIntroduction'
   Exit: (203) [system] 'ConjunctionIntroduction'='ConjunctionIntroduction'
^  Exit: (202) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (201) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'ConjunctionIntroduction')
^  Exit: (200) [user] cont_sexpr(')', (0x563acd73bee0), 'ConjunctionIntroduction')
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _1344938)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1346796)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x563acd73bee0), _1356390)
   Exit: (202) [system] get_char((0x563acd73bee0), ' ')
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1359094)
   Exit: (203) [system] peek_char((0x563acd73bee0), a)
   Call: (203) [system] a=(;)
   Fail: (203) [system] a=(;)
   Call: (203) [system] a=(/)
   Fail: (203) [system] a=(/)
^  Call: (203) [user] is_like_space(a)
   Call: (204) [system] char_type(a, 'white')
   Fail: (204) [system] char_type(a, 'white')
   Call: (204) [system] char_type(a, end_of_line)
   Fail: (204) [system] char_type(a, end_of_line)
   Call: (204) [system] char_type(a, space)
   Fail: (204) [system] char_type(a, space)
   Call: (204) [system] char_type(a, cntrl)
   Fail: (204) [system] char_type(a, cntrl)
^  Fail: (203) [user] is_like_space(a)
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1376028)
   Exit: (201) [system] peek_char((0x563acd73bee0), a)
   Call: (201) [system] a=')'
   Fail: (201) [system] a=')'
   Call: (201) [system] a=end_of_file
   Fail: (201) [system] a=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x563acd73bee0), _1381598)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1383456)
   Exit: (203) [system] peek_char((0x563acd73bee0), a)
   Call: (203) [system] a=(;)
   Fail: (203) [system] a=(;)
   Call: (203) [system] a=(/)
   Fail: (203) [system] a=(/)
^  Call: (203) [user] is_like_space(a)
   Call: (204) [system] char_type(a, 'white')
   Fail: (204) [system] char_type(a, 'white')
   Call: (204) [system] char_type(a, end_of_line)
   Fail: (204) [system] char_type(a, end_of_line)
   Call: (204) [system] char_type(a, space)
   Fail: (204) [system] char_type(a, space)
   Call: (204) [system] char_type(a, cntrl)
   Fail: (204) [system] char_type(a, cntrl)
^  Fail: (203) [user] is_like_space(a)
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] get_char((0x563acd73bee0), _1399466)
   Exit: (202) [system] get_char((0x563acd73bee0), a)
   Call: (202) [system] a='('
   Fail: (202) [system] a='('
   Call: (202) [system] a='['
   Fail: (202) [system] a='['
   Call: (202) [system] a='{'
   Fail: (202) [system] a='{'
   Call: (202) [system] a='"'
   Fail: (202) [system] a='"'
   Call: (202) [system] a=!
   Fail: (202) [system] a=!
   Call: (202) [system] a='\''
   Fail: (202) [system] a='\''
   Call: (202) [system] a='`'
   Fail: (202) [system] a='`'
   Call: (202) [system] a=end_of_file
   Fail: (202) [system] a=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x563acd73bee0), a, _1381598)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1417108)
   Call: (204) [system] peek_char((0x563acd73bee0), _1418042)
   Exit: (204) [system] peek_char((0x563acd73bee0), b)
^  Call: (204) [user] is_delimiter(b)
   Call: (205) [system] char_type(b, space)
   Fail: (205) [system] char_type(b, space)
   Call: (205) [system] arg(_1422762, v('(', ')', end_of_file), b)
   Fail: (205) [system] arg(_1423694, v('(', ')', end_of_file), b)
^  Fail: (204) [user] is_delimiter(b)
   Call: (204) [system] ')'==b
   Fail: (204) [system] ')'==b
   Call: (204) [system] get_char((0x563acd73bee0), b)
   Exit: (204) [system] get_char((0x563acd73bee0), b)
   Call: (204) [system] b=(\)
   Fail: (204) [system] b=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1431044)
   Call: (205) [system] peek_char((0x563acd73bee0), _1431978)
   Exit: (205) [system] peek_char((0x563acd73bee0), c)
^  Call: (205) [user] is_delimiter(c)
   Call: (206) [system] char_type(c, space)
   Fail: (206) [system] char_type(c, space)
   Call: (206) [system] arg(_1436698, v('(', ')', end_of_file), c)
   Fail: (206) [system] arg(_1437630, v('(', ')', end_of_file), c)
^  Fail: (205) [user] is_delimiter(c)
   Call: (205) [system] ')'==c
   Fail: (205) [system] ')'==c
   Call: (205) [system] get_char((0x563acd73bee0), c)
   Exit: (205) [system] get_char((0x563acd73bee0), c)
   Call: (205) [system] c=(\)
   Fail: (205) [system] c=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1444980)
   Call: (206) [system] peek_char((0x563acd73bee0), _1445914)
   Exit: (206) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _1444980=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (205) [system] _1431044=[c]
   Exit: (205) [system] [c]=[c]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [c])
   Call: (204) [system] _1417108=[b, c]
   Exit: (204) [system] [b, c]=[b, c]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [b, c])
^  Call: (203) [user] classify_and_convert_charseq([a, b, c], _1381598)
^  Call: (204) [user] classify_and_convert_charseq_([a, b, c], _1460786)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_1461738, _1461740), once(user:catch(read_from_chars([a, b, c], _1460786), _1461720, fail)), '$restore_trace'(_1461738, _1461740))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_1461738, _1461740))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1461720, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(abc)
   Exit: (205) [system] atomic(abc)
^  Exit: (204) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (204) [system] integer(abc)
   Fail: (204) [system] integer(abc)
   Call: (204) [system] _1381598=abc
   Exit: (204) [system] abc=abc
^  Exit: (203) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (202) [user] read_symbolic(')', (0x563acd73bee0), a, abc)
^  Exit: (201) [user] cont_sexpr(')', (0x563acd73bee0), abc)
^  Call: (201) [user] read_list(')', (0x563acd73bee0), _1473866)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1475724)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x563acd73bee0), _1485318)
   Exit: (203) [system] get_char((0x563acd73bee0), ' ')
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1488022)
   Exit: (204) [system] peek_char((0x563acd73bee0), a)
   Call: (204) [system] a=(;)
   Fail: (204) [system] a=(;)
   Call: (204) [system] a=(/)
   Fail: (204) [system] a=(/)
^  Call: (204) [user] is_like_space(a)
   Call: (205) [system] char_type(a, 'white')
   Fail: (205) [system] char_type(a, 'white')
   Call: (205) [system] char_type(a, end_of_line)
   Fail: (205) [system] char_type(a, end_of_line)
   Call: (205) [system] char_type(a, space)
   Fail: (205) [system] char_type(a, space)
   Call: (205) [system] char_type(a, cntrl)
   Fail: (205) [system] char_type(a, cntrl)
^  Fail: (204) [user] is_like_space(a)
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1504956)
   Exit: (202) [system] peek_char((0x563acd73bee0), a)
   Call: (202) [system] a=')'
   Fail: (202) [system] a=')'
   Call: (202) [system] a=end_of_file
   Fail: (202) [system] a=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x563acd73bee0), _1510526)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1512384)
   Exit: (204) [system] peek_char((0x563acd73bee0), a)
   Call: (204) [system] a=(;)
   Fail: (204) [system] a=(;)
   Call: (204) [system] a=(/)
   Fail: (204) [system] a=(/)
^  Call: (204) [user] is_like_space(a)
   Call: (205) [system] char_type(a, 'white')
   Fail: (205) [system] char_type(a, 'white')
   Call: (205) [system] char_type(a, end_of_line)
   Fail: (205) [system] char_type(a, end_of_line)
   Call: (205) [system] char_type(a, space)
   Fail: (205) [system] char_type(a, space)
   Call: (205) [system] char_type(a, cntrl)
   Fail: (205) [system] char_type(a, cntrl)
^  Fail: (204) [user] is_like_space(a)
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] get_char((0x563acd73bee0), _1528394)
   Exit: (203) [system] get_char((0x563acd73bee0), a)
   Call: (203) [system] a='('
   Fail: (203) [system] a='('
   Call: (203) [system] a='['
   Fail: (203) [system] a='['
   Call: (203) [system] a='{'
   Fail: (203) [system] a='{'
   Call: (203) [system] a='"'
   Fail: (203) [system] a='"'
   Call: (203) [system] a=!
   Fail: (203) [system] a=!
   Call: (203) [system] a='\''
   Fail: (203) [system] a='\''
   Call: (203) [system] a='`'
   Fail: (203) [system] a='`'
   Call: (203) [system] a=end_of_file
   Fail: (203) [system] a=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x563acd73bee0), a, _1510526)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1546036)
   Call: (205) [system] peek_char((0x563acd73bee0), _1546970)
   Exit: (205) [system] peek_char((0x563acd73bee0), ')')
^  Call: (205) [user] is_delimiter(')')
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] arg(_1551690, v('(', ')', end_of_file), ')')
   Exit: (206) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (205) [user] is_delimiter(')')
   Call: (205) [system] _1546036=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (204) [user] classify_and_convert_charseq([a], _1510526)
^  Call: (205) [user] classify_and_convert_charseq_([a], _1558126)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_1559078, _1559080), once(user:catch(read_from_chars([a], _1558126), _1559060, fail)), '$restore_trace'(_1559078, _1559080))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_1559078, _1559080))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1559060, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(a)
   Exit: (206) [system] atomic(a)
^  Exit: (205) [user] classify_and_convert_charseq_([a], a)
   Call: (205) [system] integer(a)
   Fail: (205) [system] integer(a)
   Call: (205) [system] _1510526=a
   Exit: (205) [system] a=a
^  Exit: (204) [user] classify_and_convert_charseq([a], a)
^  Exit: (203) [user] read_symbolic(')', (0x563acd73bee0), a, a)
^  Exit: (202) [user] cont_sexpr(')', (0x563acd73bee0), a)
^  Call: (202) [user] read_list(')', (0x563acd73bee0), _1571206)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1573064)
   Exit: (204) [system] peek_char((0x563acd73bee0), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
   Call: (204) [system] ')'=(/)
   Fail: (204) [system] ')'=(/)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1589074)
   Exit: (203) [system] peek_char((0x563acd73bee0), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x563acd73bee0), _1592864)
   Exit: (203) [system] get_char((0x563acd73bee0), ')')
   Call: (203) [system] _1571206=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x563acd73bee0), [])
   Call: (202) [system] _1473866=[a]
   Exit: (202) [system] [a]=[a]
^  Exit: (201) [user] read_list(')', (0x563acd73bee0), [a])
   Call: (201) [system] _1344938=[abc, a]
   Exit: (201) [system] [abc, a]=[abc, a]
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), [abc, a])
   Call: (200) [system] _871182=['ConjunctionIntroduction', abc, a]
   Exit: (200) [system] ['ConjunctionIntroduction', abc, a]=['ConjunctionIntroduction', abc, a]
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), ['ConjunctionIntroduction', abc, a])
^  Exit: (198) [user] cont_sexpr(')', (0x563acd73bee0), ['ConjunctionIntroduction', abc, a])
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _1606746)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1608604)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x563acd73bee0), _1618198)
   Exit: (200) [system] get_char((0x563acd73bee0), ' ')
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1620902)
   Exit: (201) [system] peek_char((0x563acd73bee0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
   Call: (201) [system] '('=(/)
   Fail: (201) [system] '('=(/)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1637836)
   Exit: (199) [system] peek_char((0x563acd73bee0), '(')
   Call: (199) [system] '('=')'
   Fail: (199) [system] '('=')'
   Call: (199) [system] '('=end_of_file
   Fail: (199) [system] '('=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x563acd73bee0), _1643406)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1645264)
   Exit: (201) [system] peek_char((0x563acd73bee0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
   Call: (201) [system] '('=(/)
   Fail: (201) [system] '('=(/)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] get_char((0x563acd73bee0), _1661274)
   Exit: (200) [system] get_char((0x563acd73bee0), '(')
   Call: (200) [system] '('='('
   Exit: (200) [system] '('='('
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _1643406)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1666844)
   Exit: (202) [system] peek_char((0x563acd73bee0), 'A')
   Call: (202) [system] 'A'=(;)
   Fail: (202) [system] 'A'=(;)
   Call: (202) [system] 'A'=(/)
   Fail: (202) [system] 'A'=(/)
^  Call: (202) [user] is_like_space('A')
   Call: (203) [system] char_type('A', 'white')
   Fail: (203) [system] char_type('A', 'white')
   Call: (203) [system] char_type('A', end_of_line)
   Fail: (203) [system] char_type('A', end_of_line)
   Call: (203) [system] char_type('A', space)
   Fail: (203) [system] char_type('A', space)
   Call: (203) [system] char_type('A', cntrl)
   Fail: (203) [system] char_type('A', cntrl)
^  Fail: (202) [user] is_like_space('A')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1682854)
   Exit: (201) [system] peek_char((0x563acd73bee0), 'A')
   Call: (201) [system] 'A'=')'
   Fail: (201) [system] 'A'=')'
   Call: (201) [system] 'A'=end_of_file
   Fail: (201) [system] 'A'=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x563acd73bee0), _1688424)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1690282)
   Exit: (203) [system] peek_char((0x563acd73bee0), 'A')
   Call: (203) [system] 'A'=(;)
   Fail: (203) [system] 'A'=(;)
   Call: (203) [system] 'A'=(/)
   Fail: (203) [system] 'A'=(/)
^  Call: (203) [user] is_like_space('A')
   Call: (204) [system] char_type('A', 'white')
   Fail: (204) [system] char_type('A', 'white')
   Call: (204) [system] char_type('A', end_of_line)
   Fail: (204) [system] char_type('A', end_of_line)
   Call: (204) [system] char_type('A', space)
   Fail: (204) [system] char_type('A', space)
   Call: (204) [system] char_type('A', cntrl)
   Fail: (204) [system] char_type('A', cntrl)
^  Fail: (203) [user] is_like_space('A')
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] get_char((0x563acd73bee0), _1706292)
   Exit: (202) [system] get_char((0x563acd73bee0), 'A')
   Call: (202) [system] 'A'='('
   Fail: (202) [system] 'A'='('
   Call: (202) [system] 'A'='['
   Fail: (202) [system] 'A'='['
   Call: (202) [system] 'A'='{'
   Fail: (202) [system] 'A'='{'
   Call: (202) [system] 'A'='"'
   Fail: (202) [system] 'A'='"'
   Call: (202) [system] 'A'=!
   Fail: (202) [system] 'A'=!
   Call: (202) [system] 'A'='\''
   Fail: (202) [system] 'A'='\''
   Call: (202) [system] 'A'='`'
   Fail: (202) [system] 'A'='`'
   Call: (202) [system] 'A'=end_of_file
   Fail: (202) [system] 'A'=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x563acd73bee0), 'A', _1688424)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1723934)
   Call: (204) [system] peek_char((0x563acd73bee0), _1724868)
   Exit: (204) [system] peek_char((0x563acd73bee0), n)
^  Call: (204) [user] is_delimiter(n)
   Call: (205) [system] char_type(n, space)
   Fail: (205) [system] char_type(n, space)
   Call: (205) [system] arg(_1729588, v('(', ')', end_of_file), n)
   Fail: (205) [system] arg(_1730520, v('(', ')', end_of_file), n)
^  Fail: (204) [user] is_delimiter(n)
   Call: (204) [system] ')'==n
   Fail: (204) [system] ')'==n
   Call: (204) [system] get_char((0x563acd73bee0), n)
   Exit: (204) [system] get_char((0x563acd73bee0), n)
   Call: (204) [system] n=(\)
   Fail: (204) [system] n=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1737870)
   Call: (205) [system] peek_char((0x563acd73bee0), _1738804)
   Exit: (205) [system] peek_char((0x563acd73bee0), d)
^  Call: (205) [user] is_delimiter(d)
   Call: (206) [system] char_type(d, space)
   Fail: (206) [system] char_type(d, space)
   Call: (206) [system] arg(_1743524, v('(', ')', end_of_file), d)
   Fail: (206) [system] arg(_1744456, v('(', ')', end_of_file), d)
^  Fail: (205) [user] is_delimiter(d)
   Call: (205) [system] ')'==d
   Fail: (205) [system] ')'==d
   Call: (205) [system] get_char((0x563acd73bee0), d)
   Exit: (205) [system] get_char((0x563acd73bee0), d)
   Call: (205) [system] d=(\)
   Fail: (205) [system] d=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1751806)
   Call: (206) [system] peek_char((0x563acd73bee0), _1752740)
   Exit: (206) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (206) [user] is_delimiter('L')
   Call: (207) [system] char_type('L', space)
   Fail: (207) [system] char_type('L', space)
   Call: (207) [system] arg(_1757460, v('(', ')', end_of_file), 'L')
   Fail: (207) [system] arg(_1758392, v('(', ')', end_of_file), 'L')
^  Fail: (206) [user] is_delimiter('L')
   Call: (206) [system] ')'=='L'
   Fail: (206) [system] ')'=='L'
   Call: (206) [system] get_char((0x563acd73bee0), 'L')
   Exit: (206) [system] get_char((0x563acd73bee0), 'L')
   Call: (206) [system] 'L'=(\)
   Fail: (206) [system] 'L'=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1765742)
   Call: (207) [system] peek_char((0x563acd73bee0), _1766676)
   Exit: (207) [system] peek_char((0x563acd73bee0), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Fail: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_1771396, v('(', ')', end_of_file), i)
   Fail: (208) [system] arg(_1772328, v('(', ')', end_of_file), i)
^  Fail: (207) [user] is_delimiter(i)
   Call: (207) [system] ')'==i
   Fail: (207) [system] ')'==i
   Call: (207) [system] get_char((0x563acd73bee0), i)
   Exit: (207) [system] get_char((0x563acd73bee0), i)
   Call: (207) [system] i=(\)
   Fail: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1779678)
   Call: (208) [system] peek_char((0x563acd73bee0), _1780612)
   Exit: (208) [system] peek_char((0x563acd73bee0), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Fail: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_1785332, v('(', ')', end_of_file), n)
   Fail: (209) [system] arg(_1786264, v('(', ')', end_of_file), n)
^  Fail: (208) [user] is_delimiter(n)
   Call: (208) [system] ')'==n
   Fail: (208) [system] ')'==n
   Call: (208) [system] get_char((0x563acd73bee0), n)
   Exit: (208) [system] get_char((0x563acd73bee0), n)
   Call: (208) [system] n=(\)
   Fail: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1793614)
   Call: (209) [system] peek_char((0x563acd73bee0), _1794548)
   Exit: (209) [system] peek_char((0x563acd73bee0), k)
^  Call: (209) [user] is_delimiter(k)
   Call: (210) [system] char_type(k, space)
   Fail: (210) [system] char_type(k, space)
   Call: (210) [system] arg(_1799268, v('(', ')', end_of_file), k)
   Fail: (210) [system] arg(_1800200, v('(', ')', end_of_file), k)
^  Fail: (209) [user] is_delimiter(k)
   Call: (209) [system] ')'==k
   Fail: (209) [system] ')'==k
   Call: (209) [system] get_char((0x563acd73bee0), k)
   Exit: (209) [system] get_char((0x563acd73bee0), k)
   Call: (209) [system] k=(\)
   Fail: (209) [system] k=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1807550)
   Call: (210) [system] peek_char((0x563acd73bee0), _1808484)
   Exit: (210) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1807550=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (209) [system] _1793614=[k]
   Exit: (209) [system] [k]=[k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (208) [system] _1779678=[n, k]
   Exit: (208) [system] [n, k]=[n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (207) [system] _1765742=[i, n, k]
   Exit: (207) [system] [i, n, k]=[i, n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (206) [system] _1751806=['L', i, n, k]
   Exit: (206) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (205) [system] _1737870=[d, 'L', i, n, k]
   Exit: (205) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, 'L', i, n, k])
   Call: (204) [system] _1723934=[n, d, 'L', i, n, k]
   Exit: (204) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, d, 'L', i, n, k])
^  Call: (203) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1688424)
^  Call: (204) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1834532)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_1835484, _1835486), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1834532), _1835466, fail)), '$restore_trace'(_1835484, _1835486))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_1835484, _1835486))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1834532), _1835466, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(_1834532)
   Fail: (205) [system] atomic(_1834532)
   Call: (205) [system] atom_chars(_1834532, ['A', n, d, 'L', i, n, k])
   Exit: (205) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (204) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (204) [system] integer('AndLink')
   Fail: (204) [system] integer('AndLink')
   Call: (204) [system] _1688424='AndLink'
   Exit: (204) [system] 'AndLink'='AndLink'
^  Exit: (203) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (202) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'AndLink')
^  Exit: (201) [user] cont_sexpr(')', (0x563acd73bee0), 'AndLink')
^  Call: (201) [user] read_list(')', (0x563acd73bee0), _1849482)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1851340)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x563acd73bee0), _1860934)
   Exit: (203) [system] get_char((0x563acd73bee0), ' ')
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1863638)
   Exit: (204) [system] peek_char((0x563acd73bee0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
   Call: (204) [system] '('=(/)
   Fail: (204) [system] '('=(/)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1880572)
   Exit: (202) [system] peek_char((0x563acd73bee0), '(')
   Call: (202) [system] '('=')'
   Fail: (202) [system] '('=')'
   Call: (202) [system] '('=end_of_file
   Fail: (202) [system] '('=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x563acd73bee0), _1886142)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1888000)
   Exit: (204) [system] peek_char((0x563acd73bee0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
   Call: (204) [system] '('=(/)
   Fail: (204) [system] '('=(/)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] get_char((0x563acd73bee0), _1904010)
   Exit: (203) [system] get_char((0x563acd73bee0), '(')
   Call: (203) [system] '('='('
   Exit: (203) [system] '('='('
^  Call: (203) [user] read_list(')', (0x563acd73bee0), _1886142)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1909580)
   Exit: (205) [system] peek_char((0x563acd73bee0), 'I')
   Call: (205) [system] 'I'=(;)
   Fail: (205) [system] 'I'=(;)
   Call: (205) [system] 'I'=(/)
   Fail: (205) [system] 'I'=(/)
^  Call: (205) [user] is_like_space('I')
   Call: (206) [system] char_type('I', 'white')
   Fail: (206) [system] char_type('I', 'white')
   Call: (206) [system] char_type('I', end_of_line)
   Fail: (206) [system] char_type('I', end_of_line)
   Call: (206) [system] char_type('I', space)
   Fail: (206) [system] char_type('I', space)
   Call: (206) [system] char_type('I', cntrl)
   Fail: (206) [system] char_type('I', cntrl)
^  Fail: (205) [user] is_like_space('I')
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1925590)
   Exit: (204) [system] peek_char((0x563acd73bee0), 'I')
   Call: (204) [system] 'I'=')'
   Fail: (204) [system] 'I'=')'
   Call: (204) [system] 'I'=end_of_file
   Fail: (204) [system] 'I'=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x563acd73bee0), _1931160)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1933018)
   Exit: (206) [system] peek_char((0x563acd73bee0), 'I')
   Call: (206) [system] 'I'=(;)
   Fail: (206) [system] 'I'=(;)
   Call: (206) [system] 'I'=(/)
   Fail: (206) [system] 'I'=(/)
^  Call: (206) [user] is_like_space('I')
   Call: (207) [system] char_type('I', 'white')
   Fail: (207) [system] char_type('I', 'white')
   Call: (207) [system] char_type('I', end_of_line)
   Fail: (207) [system] char_type('I', end_of_line)
   Call: (207) [system] char_type('I', space)
   Fail: (207) [system] char_type('I', space)
   Call: (207) [system] char_type('I', cntrl)
   Fail: (207) [system] char_type('I', cntrl)
^  Fail: (206) [user] is_like_space('I')
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] get_char((0x563acd73bee0), _1949028)
   Exit: (205) [system] get_char((0x563acd73bee0), 'I')
   Call: (205) [system] 'I'='('
   Fail: (205) [system] 'I'='('
   Call: (205) [system] 'I'='['
   Fail: (205) [system] 'I'='['
   Call: (205) [system] 'I'='{'
   Fail: (205) [system] 'I'='{'
   Call: (205) [system] 'I'='"'
   Fail: (205) [system] 'I'='"'
   Call: (205) [system] 'I'=!
   Fail: (205) [system] 'I'=!
   Call: (205) [system] 'I'='\''
   Fail: (205) [system] 'I'='\''
   Call: (205) [system] 'I'='`'
   Fail: (205) [system] 'I'='`'
   Call: (205) [system] 'I'=end_of_file
   Fail: (205) [system] 'I'=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x563acd73bee0), 'I', _1931160)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1966670)
   Call: (207) [system] peek_char((0x563acd73bee0), _1967604)
   Exit: (207) [system] peek_char((0x563acd73bee0), m)
^  Call: (207) [user] is_delimiter(m)
   Call: (208) [system] char_type(m, space)
   Fail: (208) [system] char_type(m, space)
   Call: (208) [system] arg(_1972324, v('(', ')', end_of_file), m)
   Fail: (208) [system] arg(_1973256, v('(', ')', end_of_file), m)
^  Fail: (207) [user] is_delimiter(m)
   Call: (207) [system] ')'==m
   Fail: (207) [system] ')'==m
   Call: (207) [system] get_char((0x563acd73bee0), m)
   Exit: (207) [system] get_char((0x563acd73bee0), m)
   Call: (207) [system] m=(\)
   Fail: (207) [system] m=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1980606)
   Call: (208) [system] peek_char((0x563acd73bee0), _1981540)
   Exit: (208) [system] peek_char((0x563acd73bee0), p)
^  Call: (208) [user] is_delimiter(p)
   Call: (209) [system] char_type(p, space)
   Fail: (209) [system] char_type(p, space)
   Call: (209) [system] arg(_1986260, v('(', ')', end_of_file), p)
   Fail: (209) [system] arg(_1987192, v('(', ')', end_of_file), p)
^  Fail: (208) [user] is_delimiter(p)
   Call: (208) [system] ')'==p
   Fail: (208) [system] ')'==p
   Call: (208) [system] get_char((0x563acd73bee0), p)
   Exit: (208) [system] get_char((0x563acd73bee0), p)
   Call: (208) [system] p=(\)
   Fail: (208) [system] p=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1994542)
   Call: (209) [system] peek_char((0x563acd73bee0), _1995476)
   Exit: (209) [system] peek_char((0x563acd73bee0), l)
^  Call: (209) [user] is_delimiter(l)
   Call: (210) [system] char_type(l, space)
   Fail: (210) [system] char_type(l, space)
   Call: (210) [system] arg(_2000196, v('(', ')', end_of_file), l)
   Fail: (210) [system] arg(_2001128, v('(', ')', end_of_file), l)
^  Fail: (209) [user] is_delimiter(l)
   Call: (209) [system] ')'==l
   Fail: (209) [system] ')'==l
   Call: (209) [system] get_char((0x563acd73bee0), l)
   Exit: (209) [system] get_char((0x563acd73bee0), l)
   Call: (209) [system] l=(\)
   Fail: (209) [system] l=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _2008478)
   Call: (210) [system] peek_char((0x563acd73bee0), _2009412)
   Exit: (210) [system] peek_char((0x563acd73bee0), i)
^  Call: (210) [user] is_delimiter(i)
   Call: (211) [system] char_type(i, space)
   Fail: (211) [system] char_type(i, space)
   Call: (211) [system] arg(_2014132, v('(', ')', end_of_file), i)
   Fail: (211) [system] arg(_2015064, v('(', ')', end_of_file), i)
^  Fail: (210) [user] is_delimiter(i)
   Call: (210) [system] ')'==i
   Fail: (210) [system] ')'==i
   Call: (210) [system] get_char((0x563acd73bee0), i)
   Exit: (210) [system] get_char((0x563acd73bee0), i)
   Call: (210) [system] i=(\)
   Fail: (210) [system] i=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _2022414)
   Call: (211) [system] peek_char((0x563acd73bee0), _2023348)
   Exit: (211) [system] peek_char((0x563acd73bee0), c)
^  Call: (211) [user] is_delimiter(c)
   Call: (212) [system] char_type(c, space)
   Fail: (212) [system] char_type(c, space)
   Call: (212) [system] arg(_2028068, v('(', ')', end_of_file), c)
   Fail: (212) [system] arg(_2029000, v('(', ')', end_of_file), c)
^  Fail: (211) [user] is_delimiter(c)
   Call: (211) [system] ')'==c
   Fail: (211) [system] ')'==c
   Call: (211) [system] get_char((0x563acd73bee0), c)
   Exit: (211) [system] get_char((0x563acd73bee0), c)
   Call: (211) [system] c=(\)
   Fail: (211) [system] c=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _2036350)
   Call: (212) [system] peek_char((0x563acd73bee0), _2037284)
   Exit: (212) [system] peek_char((0x563acd73bee0), a)
^  Call: (212) [user] is_delimiter(a)
   Call: (213) [system] char_type(a, space)
   Fail: (213) [system] char_type(a, space)
   Call: (213) [system] arg(_2042004, v('(', ')', end_of_file), a)
   Fail: (213) [system] arg(_2042936, v('(', ')', end_of_file), a)
^  Fail: (212) [user] is_delimiter(a)
   Call: (212) [system] ')'==a
   Fail: (212) [system] ')'==a
   Call: (212) [system] get_char((0x563acd73bee0), a)
   Exit: (212) [system] get_char((0x563acd73bee0), a)
   Call: (212) [system] a=(\)
   Fail: (212) [system] a=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _2050286)
   Call: (213) [system] peek_char((0x563acd73bee0), _2051220)
   Exit: (213) [system] peek_char((0x563acd73bee0), t)
^  Call: (213) [user] is_delimiter(t)
   Call: (214) [system] char_type(t, space)
   Fail: (214) [system] char_type(t, space)
   Call: (214) [system] arg(_2055940, v('(', ')', end_of_file), t)
   Fail: (214) [system] arg(_2056872, v('(', ')', end_of_file), t)
^  Fail: (213) [user] is_delimiter(t)
   Call: (213) [system] ')'==t
   Fail: (213) [system] ')'==t
   Call: (213) [system] get_char((0x563acd73bee0), t)
   Exit: (213) [system] get_char((0x563acd73bee0), t)
   Call: (213) [system] t=(\)
   Fail: (213) [system] t=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _2064222)
   Call: (214) [system] peek_char((0x563acd73bee0), _2065156)
   Exit: (214) [system] peek_char((0x563acd73bee0), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Fail: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_2069876, v('(', ')', end_of_file), i)
   Fail: (215) [system] arg(_2070808, v('(', ')', end_of_file), i)
^  Fail: (214) [user] is_delimiter(i)
   Call: (214) [system] ')'==i
   Fail: (214) [system] ')'==i
   Call: (214) [system] get_char((0x563acd73bee0), i)
   Exit: (214) [system] get_char((0x563acd73bee0), i)
   Call: (214) [system] i=(\)
   Fail: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _2078158)
   Call: (215) [system] peek_char((0x563acd73bee0), _2079092)
   Exit: (215) [system] peek_char((0x563acd73bee0), o)
^  Call: (215) [user] is_delimiter(o)
   Call: (216) [system] char_type(o, space)
   Fail: (216) [system] char_type(o, space)
   Call: (216) [system] arg(_2083812, v('(', ')', end_of_file), o)
   Fail: (216) [system] arg(_2084744, v('(', ')', end_of_file), o)
^  Fail: (215) [user] is_delimiter(o)
   Call: (215) [system] ')'==o
   Fail: (215) [system] ')'==o
   Call: (215) [system] get_char((0x563acd73bee0), o)
   Exit: (215) [system] get_char((0x563acd73bee0), o)
   Call: (215) [system] o=(\)
   Fail: (215) [system] o=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _2092094)
   Call: (216) [system] peek_char((0x563acd73bee0), _2093028)
   Exit: (216) [system] peek_char((0x563acd73bee0), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_4862, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_5794, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x563acd73bee0), n)
   Exit: (216) [system] get_char((0x563acd73bee0), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _13144)
   Call: (217) [system] peek_char((0x563acd73bee0), _14078)
   Exit: (217) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _13144=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (216) [system] _3978=[n]
   Exit: (216) [system] [n]=[n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (215) [system] _3974=[o, n]
   Exit: (215) [system] [o, n]=[o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (214) [system] _3970=[i, o, n]
   Exit: (214) [system] [i, o, n]=[i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (213) [system] _3966=[t, i, o, n]
   Exit: (213) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (212) [system] _3962=[a, t, i, o, n]
   Exit: (212) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (211) [system] _3958=[c, a, t, i, o, n]
   Exit: (211) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (210) [system] _3954=[i, c, a, t, i, o, n]
   Exit: (210) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (209) [system] _3950=[l, i, c, a, t, i, o, n]
   Exit: (209) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (208) [system] _3946=[p, l, i, c, a, t, i, o, n]
   Exit: (208) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (207) [system] _3942=[m, p, l, i, c, a, t, i, o, n]
   Exit: (207) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (206) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _3938)
^  Call: (207) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _51302)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_52254, _52256), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _51302), _52236, fail)), '$restore_trace'(_52254, _52256))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_52254, _52256))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _51302), _52236, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(_51302)
   Fail: (208) [system] atomic(_51302)
   Call: (208) [system] atom_chars(_51302, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (208) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (207) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (207) [system] integer('Implication')
   Fail: (207) [system] integer('Implication')
   Call: (207) [system] _3938='Implication'
   Exit: (207) [system] 'Implication'='Implication'
^  Exit: (206) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (205) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (204) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (204) [user] read_list(')', (0x563acd73bee0), _66252)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _68110)
   Exit: (206) [system] peek_char((0x563acd73bee0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
   Call: (206) [system] ' '=(/)
   Fail: (206) [system] ' '=(/)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x563acd73bee0), _77704)
   Exit: (206) [system] get_char((0x563acd73bee0), ' ')
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _80408)
   Exit: (207) [system] peek_char((0x563acd73bee0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _97342)
   Exit: (205) [system] peek_char((0x563acd73bee0), '(')
   Call: (205) [system] '('=')'
   Fail: (205) [system] '('=')'
   Call: (205) [system] '('=end_of_file
   Fail: (205) [system] '('=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x563acd73bee0), _102912)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _104770)
   Exit: (207) [system] peek_char((0x563acd73bee0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] get_char((0x563acd73bee0), _120780)
   Exit: (206) [system] get_char((0x563acd73bee0), '(')
   Call: (206) [system] '('='('
   Exit: (206) [system] '('='('
^  Call: (206) [user] read_list(')', (0x563acd73bee0), _102912)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _126350)
   Exit: (208) [system] peek_char((0x563acd73bee0), 'A')
   Call: (208) [system] 'A'=(;)
   Fail: (208) [system] 'A'=(;)
   Call: (208) [system] 'A'=(/)
   Fail: (208) [system] 'A'=(/)
^  Call: (208) [user] is_like_space('A')
   Call: (209) [system] char_type('A', 'white')
   Fail: (209) [system] char_type('A', 'white')
   Call: (209) [system] char_type('A', end_of_line)
   Fail: (209) [system] char_type('A', end_of_line)
   Call: (209) [system] char_type('A', space)
   Fail: (209) [system] char_type('A', space)
   Call: (209) [system] char_type('A', cntrl)
   Fail: (209) [system] char_type('A', cntrl)
^  Fail: (208) [user] is_like_space('A')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _142360)
   Exit: (207) [system] peek_char((0x563acd73bee0), 'A')
   Call: (207) [system] 'A'=')'
   Fail: (207) [system] 'A'=')'
   Call: (207) [system] 'A'=end_of_file
   Fail: (207) [system] 'A'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x563acd73bee0), _147930)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _149788)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'A')
   Call: (209) [system] 'A'=(;)
   Fail: (209) [system] 'A'=(;)
   Call: (209) [system] 'A'=(/)
   Fail: (209) [system] 'A'=(/)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Fail: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Fail: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Fail: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
   Fail: (210) [system] char_type('A', cntrl)
^  Fail: (209) [user] is_like_space('A')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] get_char((0x563acd73bee0), _165798)
   Exit: (208) [system] get_char((0x563acd73bee0), 'A')
   Call: (208) [system] 'A'='('
   Fail: (208) [system] 'A'='('
   Call: (208) [system] 'A'='['
   Fail: (208) [system] 'A'='['
   Call: (208) [system] 'A'='{'
   Fail: (208) [system] 'A'='{'
   Call: (208) [system] 'A'='"'
   Fail: (208) [system] 'A'='"'
   Call: (208) [system] 'A'=!
   Fail: (208) [system] 'A'=!
   Call: (208) [system] 'A'='\''
   Fail: (208) [system] 'A'='\''
   Call: (208) [system] 'A'='`'
   Fail: (208) [system] 'A'='`'
   Call: (208) [system] 'A'=end_of_file
   Fail: (208) [system] 'A'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x563acd73bee0), 'A', _147930)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _183440)
   Call: (210) [system] peek_char((0x563acd73bee0), _184374)
   Exit: (210) [system] peek_char((0x563acd73bee0), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Fail: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_189094, v('(', ')', end_of_file), n)
   Fail: (211) [system] arg(_190026, v('(', ')', end_of_file), n)
^  Fail: (210) [user] is_delimiter(n)
   Call: (210) [system] ')'==n
   Fail: (210) [system] ')'==n
   Call: (210) [system] get_char((0x563acd73bee0), n)
   Exit: (210) [system] get_char((0x563acd73bee0), n)
   Call: (210) [system] n=(\)
   Fail: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _197376)
   Call: (211) [system] peek_char((0x563acd73bee0), _198310)
   Exit: (211) [system] peek_char((0x563acd73bee0), d)
^  Call: (211) [user] is_delimiter(d)
   Call: (212) [system] char_type(d, space)
   Fail: (212) [system] char_type(d, space)
   Call: (212) [system] arg(_203030, v('(', ')', end_of_file), d)
   Fail: (212) [system] arg(_203962, v('(', ')', end_of_file), d)
^  Fail: (211) [user] is_delimiter(d)
   Call: (211) [system] ')'==d
   Fail: (211) [system] ')'==d
   Call: (211) [system] get_char((0x563acd73bee0), d)
   Exit: (211) [system] get_char((0x563acd73bee0), d)
   Call: (211) [system] d=(\)
   Fail: (211) [system] d=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _211312)
   Call: (212) [system] peek_char((0x563acd73bee0), _212246)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (212) [user] is_delimiter('L')
   Call: (213) [system] char_type('L', space)
   Fail: (213) [system] char_type('L', space)
   Call: (213) [system] arg(_216966, v('(', ')', end_of_file), 'L')
   Fail: (213) [system] arg(_217898, v('(', ')', end_of_file), 'L')
^  Fail: (212) [user] is_delimiter('L')
   Call: (212) [system] ')'=='L'
   Fail: (212) [system] ')'=='L'
   Call: (212) [system] get_char((0x563acd73bee0), 'L')
   Exit: (212) [system] get_char((0x563acd73bee0), 'L')
   Call: (212) [system] 'L'=(\)
   Fail: (212) [system] 'L'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _225248)
   Call: (213) [system] peek_char((0x563acd73bee0), _226182)
   Exit: (213) [system] peek_char((0x563acd73bee0), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Fail: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_230902, v('(', ')', end_of_file), i)
   Fail: (214) [system] arg(_231834, v('(', ')', end_of_file), i)
^  Fail: (213) [user] is_delimiter(i)
   Call: (213) [system] ')'==i
   Fail: (213) [system] ')'==i
   Call: (213) [system] get_char((0x563acd73bee0), i)
   Exit: (213) [system] get_char((0x563acd73bee0), i)
   Call: (213) [system] i=(\)
   Fail: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _239184)
   Call: (214) [system] peek_char((0x563acd73bee0), _240118)
   Exit: (214) [system] peek_char((0x563acd73bee0), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_244838, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_245770, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x563acd73bee0), n)
   Exit: (214) [system] get_char((0x563acd73bee0), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _253120)
   Call: (215) [system] peek_char((0x563acd73bee0), _254054)
   Exit: (215) [system] peek_char((0x563acd73bee0), k)
^  Call: (215) [user] is_delimiter(k)
   Call: (216) [system] char_type(k, space)
   Fail: (216) [system] char_type(k, space)
   Call: (216) [system] arg(_258774, v('(', ')', end_of_file), k)
   Fail: (216) [system] arg(_259706, v('(', ')', end_of_file), k)
^  Fail: (215) [user] is_delimiter(k)
   Call: (215) [system] ')'==k
   Fail: (215) [system] ')'==k
   Call: (215) [system] get_char((0x563acd73bee0), k)
   Exit: (215) [system] get_char((0x563acd73bee0), k)
   Call: (215) [system] k=(\)
   Fail: (215) [system] k=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _267056)
   Call: (216) [system] peek_char((0x563acd73bee0), _267990)
   Exit: (216) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _267056=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (215) [system] _253120=[k]
   Exit: (215) [system] [k]=[k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (214) [system] _239184=[n, k]
   Exit: (214) [system] [n, k]=[n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (213) [system] _225248=[i, n, k]
   Exit: (213) [system] [i, n, k]=[i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (212) [system] _211312=['L', i, n, k]
   Exit: (212) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (211) [system] _197376=[d, 'L', i, n, k]
   Exit: (211) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, 'L', i, n, k])
   Call: (210) [system] _183440=[n, d, 'L', i, n, k]
   Exit: (210) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, d, 'L', i, n, k])
^  Call: (209) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _147930)
^  Call: (210) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _294038)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_294990, _294992), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _294038), _294972, fail)), '$restore_trace'(_294990, _294992))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_294990, _294992))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _294038), _294972, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_294038)
   Fail: (211) [system] atomic(_294038)
   Call: (211) [system] atom_chars(_294038, ['A', n, d, 'L', i, n, k])
   Exit: (211) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (210) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (210) [system] integer('AndLink')
   Fail: (210) [system] integer('AndLink')
   Call: (210) [system] _147930='AndLink'
   Exit: (210) [system] 'AndLink'='AndLink'
^  Exit: (209) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (208) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'AndLink')
^  Exit: (207) [user] cont_sexpr(')', (0x563acd73bee0), 'AndLink')
^  Call: (207) [user] read_list(')', (0x563acd73bee0), _308988)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _310846)
   Exit: (209) [system] peek_char((0x563acd73bee0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x563acd73bee0), _320440)
   Exit: (209) [system] get_char((0x563acd73bee0), ' ')
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _323144)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'A')
   Call: (210) [system] 'A'=(;)
   Fail: (210) [system] 'A'=(;)
   Call: (210) [system] 'A'=(/)
   Fail: (210) [system] 'A'=(/)
^  Call: (210) [user] is_like_space('A')
   Call: (211) [system] char_type('A', 'white')
   Fail: (211) [system] char_type('A', 'white')
   Call: (211) [system] char_type('A', end_of_line)
   Fail: (211) [system] char_type('A', end_of_line)
   Call: (211) [system] char_type('A', space)
   Fail: (211) [system] char_type('A', space)
   Call: (211) [system] char_type('A', cntrl)
   Fail: (211) [system] char_type('A', cntrl)
^  Fail: (210) [user] is_like_space('A')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _340078)
   Exit: (208) [system] peek_char((0x563acd73bee0), 'A')
   Call: (208) [system] 'A'=')'
   Fail: (208) [system] 'A'=')'
   Call: (208) [system] 'A'=end_of_file
   Fail: (208) [system] 'A'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x563acd73bee0), _345648)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _347506)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'A')
   Call: (210) [system] 'A'=(;)
   Fail: (210) [system] 'A'=(;)
   Call: (210) [system] 'A'=(/)
   Fail: (210) [system] 'A'=(/)
^  Call: (210) [user] is_like_space('A')
   Call: (211) [system] char_type('A', 'white')
   Fail: (211) [system] char_type('A', 'white')
   Call: (211) [system] char_type('A', end_of_line)
   Fail: (211) [system] char_type('A', end_of_line)
   Call: (211) [system] char_type('A', space)
   Fail: (211) [system] char_type('A', space)
   Call: (211) [system] char_type('A', cntrl)
   Fail: (211) [system] char_type('A', cntrl)
^  Fail: (210) [user] is_like_space('A')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] get_char((0x563acd73bee0), _363516)
   Exit: (209) [system] get_char((0x563acd73bee0), 'A')
   Call: (209) [system] 'A'='('
   Fail: (209) [system] 'A'='('
   Call: (209) [system] 'A'='['
   Fail: (209) [system] 'A'='['
   Call: (209) [system] 'A'='{'
   Fail: (209) [system] 'A'='{'
   Call: (209) [system] 'A'='"'
   Fail: (209) [system] 'A'='"'
   Call: (209) [system] 'A'=!
   Fail: (209) [system] 'A'=!
   Call: (209) [system] 'A'='\''
   Fail: (209) [system] 'A'='\''
   Call: (209) [system] 'A'='`'
   Fail: (209) [system] 'A'='`'
   Call: (209) [system] 'A'=end_of_file
   Fail: (209) [system] 'A'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x563acd73bee0), 'A', _345648)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _381158)
   Call: (211) [system] peek_char((0x563acd73bee0), _382092)
   Exit: (211) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _381158=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (210) [user] classify_and_convert_charseq(['A'], _345648)
^  Call: (211) [user] classify_and_convert_charseq_(['A'], _391376)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_392328, _392330), once(user:catch(read_from_chars(['A'], _391376), _392310, fail)), '$restore_trace'(_392328, _392330))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_392328, _392330))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _391376), _392310, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_391376)
   Fail: (212) [system] atomic(_391376)
   Call: (212) [system] atom_chars(_391376, ['A'])
   Exit: (212) [system] atom_chars('A', ['A'])
^  Exit: (211) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (211) [system] integer('A')
   Fail: (211) [system] integer('A')
   Call: (211) [system] _345648='A'
   Exit: (211) [system] 'A'='A'
^  Exit: (210) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (209) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (208) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (208) [user] read_list(')', (0x563acd73bee0), _406326)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _408184)
   Exit: (210) [system] peek_char((0x563acd73bee0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x563acd73bee0), _417778)
   Exit: (210) [system] get_char((0x563acd73bee0), ' ')
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _420482)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'B')
   Call: (211) [system] 'B'=(;)
   Fail: (211) [system] 'B'=(;)
   Call: (211) [system] 'B'=(/)
   Fail: (211) [system] 'B'=(/)
^  Call: (211) [user] is_like_space('B')
   Call: (212) [system] char_type('B', 'white')
   Fail: (212) [system] char_type('B', 'white')
   Call: (212) [system] char_type('B', end_of_line)
   Fail: (212) [system] char_type('B', end_of_line)
   Call: (212) [system] char_type('B', space)
   Fail: (212) [system] char_type('B', space)
   Call: (212) [system] char_type('B', cntrl)
   Fail: (212) [system] char_type('B', cntrl)
^  Fail: (211) [user] is_like_space('B')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _437416)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'B')
   Call: (209) [system] 'B'=')'
   Fail: (209) [system] 'B'=')'
   Call: (209) [system] 'B'=end_of_file
   Fail: (209) [system] 'B'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x563acd73bee0), _442986)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _444844)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'B')
   Call: (211) [system] 'B'=(;)
   Fail: (211) [system] 'B'=(;)
   Call: (211) [system] 'B'=(/)
   Fail: (211) [system] 'B'=(/)
^  Call: (211) [user] is_like_space('B')
   Call: (212) [system] char_type('B', 'white')
   Fail: (212) [system] char_type('B', 'white')
   Call: (212) [system] char_type('B', end_of_line)
   Fail: (212) [system] char_type('B', end_of_line)
   Call: (212) [system] char_type('B', space)
   Fail: (212) [system] char_type('B', space)
   Call: (212) [system] char_type('B', cntrl)
   Fail: (212) [system] char_type('B', cntrl)
^  Fail: (211) [user] is_like_space('B')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] get_char((0x563acd73bee0), _460854)
   Exit: (210) [system] get_char((0x563acd73bee0), 'B')
   Call: (210) [system] 'B'='('
   Fail: (210) [system] 'B'='('
   Call: (210) [system] 'B'='['
   Fail: (210) [system] 'B'='['
   Call: (210) [system] 'B'='{'
   Fail: (210) [system] 'B'='{'
   Call: (210) [system] 'B'='"'
   Fail: (210) [system] 'B'='"'
   Call: (210) [system] 'B'=!
   Fail: (210) [system] 'B'=!
   Call: (210) [system] 'B'='\''
   Fail: (210) [system] 'B'='\''
   Call: (210) [system] 'B'='`'
   Fail: (210) [system] 'B'='`'
   Call: (210) [system] 'B'=end_of_file
   Fail: (210) [system] 'B'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x563acd73bee0), 'B', _442986)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _478496)
   Call: (212) [system] peek_char((0x563acd73bee0), _479430)
   Exit: (212) [system] peek_char((0x563acd73bee0), ')')
^  Call: (212) [user] is_delimiter(')')
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] arg(_484150, v('(', ')', end_of_file), ')')
   Exit: (213) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (212) [user] is_delimiter(')')
   Call: (212) [system] _478496=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (211) [user] classify_and_convert_charseq(['B'], _442986)
^  Call: (212) [user] classify_and_convert_charseq_(['B'], _490586)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_491538, _491540), once(user:catch(read_from_chars(['B'], _490586), _491520, fail)), '$restore_trace'(_491538, _491540))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_491538, _491540))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _490586), _491520, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_490586)
   Fail: (213) [system] atomic(_490586)
   Call: (213) [system] atom_chars(_490586, ['B'])
   Exit: (213) [system] atom_chars('B', ['B'])
^  Exit: (212) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (212) [system] integer('B')
   Fail: (212) [system] integer('B')
   Call: (212) [system] _442986='B'
   Exit: (212) [system] 'B'='B'
^  Exit: (211) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (210) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (209) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (209) [user] read_list(')', (0x563acd73bee0), _505536)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _507394)
   Exit: (211) [system] peek_char((0x563acd73bee0), ')')
   Call: (211) [system] ')'=(;)
   Fail: (211) [system] ')'=(;)
   Call: (211) [system] ')'=(/)
   Fail: (211) [system] ')'=(/)
^  Call: (211) [user] is_like_space(')')
   Call: (212) [system] char_type(')', 'white')
   Fail: (212) [system] char_type(')', 'white')
   Call: (212) [system] char_type(')', end_of_line)
   Fail: (212) [system] char_type(')', end_of_line)
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] char_type(')', cntrl)
   Fail: (212) [system] char_type(')', cntrl)
^  Fail: (211) [user] is_like_space(')')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _523404)
   Exit: (210) [system] peek_char((0x563acd73bee0), ')')
   Call: (210) [system] ')'=')'
   Exit: (210) [system] ')'=')'
   Call: (210) [system] get_char((0x563acd73bee0), _527194)
   Exit: (210) [system] get_char((0x563acd73bee0), ')')
   Call: (210) [system] _505536=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_list(')', (0x563acd73bee0), [])
   Call: (209) [system] _406326=['B']
   Exit: (209) [system] ['B']=['B']
^  Exit: (208) [user] read_list(')', (0x563acd73bee0), ['B'])
   Call: (208) [system] _308988=['A', 'B']
   Exit: (208) [system] ['A', 'B']=['A', 'B']
^  Exit: (207) [user] read_list(')', (0x563acd73bee0), ['A', 'B'])
   Call: (207) [system] _102912=['AndLink', 'A', 'B']
   Exit: (207) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (206) [user] read_list(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Exit: (205) [user] cont_sexpr(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Call: (205) [user] read_list(')', (0x563acd73bee0), _541076)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _542934)
   Exit: (207) [system] peek_char((0x563acd73bee0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
   Call: (207) [system] ' '=(/)
   Fail: (207) [system] ' '=(/)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x563acd73bee0), _552528)
   Exit: (207) [system] get_char((0x563acd73bee0), ' ')
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _555232)
   Exit: (208) [system] peek_char((0x563acd73bee0), 'C')
   Call: (208) [system] 'C'=(;)
   Fail: (208) [system] 'C'=(;)
   Call: (208) [system] 'C'=(/)
   Fail: (208) [system] 'C'=(/)
^  Call: (208) [user] is_like_space('C')
   Call: (209) [system] char_type('C', 'white')
   Fail: (209) [system] char_type('C', 'white')
   Call: (209) [system] char_type('C', end_of_line)
   Fail: (209) [system] char_type('C', end_of_line)
   Call: (209) [system] char_type('C', space)
   Fail: (209) [system] char_type('C', space)
   Call: (209) [system] char_type('C', cntrl)
   Fail: (209) [system] char_type('C', cntrl)
^  Fail: (208) [user] is_like_space('C')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _572166)
   Exit: (206) [system] peek_char((0x563acd73bee0), 'C')
   Call: (206) [system] 'C'=')'
   Fail: (206) [system] 'C'=')'
   Call: (206) [system] 'C'=end_of_file
   Fail: (206) [system] 'C'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x563acd73bee0), _577736)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _579594)
   Exit: (208) [system] peek_char((0x563acd73bee0), 'C')
   Call: (208) [system] 'C'=(;)
   Fail: (208) [system] 'C'=(;)
   Call: (208) [system] 'C'=(/)
   Fail: (208) [system] 'C'=(/)
^  Call: (208) [user] is_like_space('C')
   Call: (209) [system] char_type('C', 'white')
   Fail: (209) [system] char_type('C', 'white')
   Call: (209) [system] char_type('C', end_of_line)
   Fail: (209) [system] char_type('C', end_of_line)
   Call: (209) [system] char_type('C', space)
   Fail: (209) [system] char_type('C', space)
   Call: (209) [system] char_type('C', cntrl)
   Fail: (209) [system] char_type('C', cntrl)
^  Fail: (208) [user] is_like_space('C')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] get_char((0x563acd73bee0), _595604)
   Exit: (207) [system] get_char((0x563acd73bee0), 'C')
   Call: (207) [system] 'C'='('
   Fail: (207) [system] 'C'='('
   Call: (207) [system] 'C'='['
   Fail: (207) [system] 'C'='['
   Call: (207) [system] 'C'='{'
   Fail: (207) [system] 'C'='{'
   Call: (207) [system] 'C'='"'
   Fail: (207) [system] 'C'='"'
   Call: (207) [system] 'C'=!
   Fail: (207) [system] 'C'=!
   Call: (207) [system] 'C'='\''
   Fail: (207) [system] 'C'='\''
   Call: (207) [system] 'C'='`'
   Fail: (207) [system] 'C'='`'
   Call: (207) [system] 'C'=end_of_file
   Fail: (207) [system] 'C'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x563acd73bee0), 'C', _577736)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _613246)
   Call: (209) [system] peek_char((0x563acd73bee0), _614180)
   Exit: (209) [system] peek_char((0x563acd73bee0), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_618900, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _613246=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (208) [user] classify_and_convert_charseq(['C'], _577736)
^  Call: (209) [user] classify_and_convert_charseq_(['C'], _625336)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_626288, _626290), once(user:catch(read_from_chars(['C'], _625336), _626270, fail)), '$restore_trace'(_626288, _626290))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_626288, _626290))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _625336), _626270, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_625336)
   Fail: (210) [system] atomic(_625336)
   Call: (210) [system] atom_chars(_625336, ['C'])
   Exit: (210) [system] atom_chars('C', ['C'])
^  Exit: (209) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (209) [system] integer('C')
   Fail: (209) [system] integer('C')
   Call: (209) [system] _577736='C'
   Exit: (209) [system] 'C'='C'
^  Exit: (208) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (207) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (206) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (206) [user] read_list(')', (0x563acd73bee0), _640286)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _642144)
   Exit: (208) [system] peek_char((0x563acd73bee0), ')')
   Call: (208) [system] ')'=(;)
   Fail: (208) [system] ')'=(;)
   Call: (208) [system] ')'=(/)
   Fail: (208) [system] ')'=(/)
^  Call: (208) [user] is_like_space(')')
   Call: (209) [system] char_type(')', 'white')
   Fail: (209) [system] char_type(')', 'white')
   Call: (209) [system] char_type(')', end_of_line)
   Fail: (209) [system] char_type(')', end_of_line)
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] char_type(')', cntrl)
   Fail: (209) [system] char_type(')', cntrl)
^  Fail: (208) [user] is_like_space(')')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _658154)
   Exit: (207) [system] peek_char((0x563acd73bee0), ')')
   Call: (207) [system] ')'=')'
   Exit: (207) [system] ')'=')'
   Call: (207) [system] get_char((0x563acd73bee0), _661944)
   Exit: (207) [system] get_char((0x563acd73bee0), ')')
   Call: (207) [system] _640286=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_list(')', (0x563acd73bee0), [])
   Call: (206) [system] _541076=['C']
   Exit: (206) [system] ['C']=['C']
^  Exit: (205) [user] read_list(')', (0x563acd73bee0), ['C'])
   Call: (205) [system] _66252=[['AndLink', 'A', 'B'], 'C']
   Exit: (205) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (204) [user] read_list(')', (0x563acd73bee0), [['AndLink', 'A', 'B'], 'C'])
   Call: (204) [system] _3932=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (204) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (203) [user] read_list(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (202) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (202) [user] read_list(')', (0x563acd73bee0), _675826)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _677684)
   Exit: (204) [system] peek_char((0x563acd73bee0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x563acd73bee0), _687278)
   Exit: (204) [system] get_char((0x563acd73bee0), ' ')
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _689982)
   Exit: (205) [system] peek_char((0x563acd73bee0), 'A')
   Call: (205) [system] 'A'=(;)
   Fail: (205) [system] 'A'=(;)
   Call: (205) [system] 'A'=(/)
   Fail: (205) [system] 'A'=(/)
^  Call: (205) [user] is_like_space('A')
   Call: (206) [system] char_type('A', 'white')
   Fail: (206) [system] char_type('A', 'white')
   Call: (206) [system] char_type('A', end_of_line)
   Fail: (206) [system] char_type('A', end_of_line)
   Call: (206) [system] char_type('A', space)
   Fail: (206) [system] char_type('A', space)
   Call: (206) [system] char_type('A', cntrl)
   Fail: (206) [system] char_type('A', cntrl)
^  Fail: (205) [user] is_like_space('A')
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _706916)
   Exit: (203) [system] peek_char((0x563acd73bee0), 'A')
   Call: (203) [system] 'A'=')'
   Fail: (203) [system] 'A'=')'
   Call: (203) [system] 'A'=end_of_file
   Fail: (203) [system] 'A'=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x563acd73bee0), _712486)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _714344)
   Exit: (205) [system] peek_char((0x563acd73bee0), 'A')
   Call: (205) [system] 'A'=(;)
   Fail: (205) [system] 'A'=(;)
   Call: (205) [system] 'A'=(/)
   Fail: (205) [system] 'A'=(/)
^  Call: (205) [user] is_like_space('A')
   Call: (206) [system] char_type('A', 'white')
   Fail: (206) [system] char_type('A', 'white')
   Call: (206) [system] char_type('A', end_of_line)
   Fail: (206) [system] char_type('A', end_of_line)
   Call: (206) [system] char_type('A', space)
   Fail: (206) [system] char_type('A', space)
   Call: (206) [system] char_type('A', cntrl)
   Fail: (206) [system] char_type('A', cntrl)
^  Fail: (205) [user] is_like_space('A')
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] get_char((0x563acd73bee0), _730354)
   Exit: (204) [system] get_char((0x563acd73bee0), 'A')
   Call: (204) [system] 'A'='('
   Fail: (204) [system] 'A'='('
   Call: (204) [system] 'A'='['
   Fail: (204) [system] 'A'='['
   Call: (204) [system] 'A'='{'
   Fail: (204) [system] 'A'='{'
   Call: (204) [system] 'A'='"'
   Fail: (204) [system] 'A'='"'
   Call: (204) [system] 'A'=!
   Fail: (204) [system] 'A'=!
   Call: (204) [system] 'A'='\''
   Fail: (204) [system] 'A'='\''
   Call: (204) [system] 'A'='`'
   Fail: (204) [system] 'A'='`'
   Call: (204) [system] 'A'=end_of_file
   Fail: (204) [system] 'A'=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x563acd73bee0), 'A', _712486)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _747996)
   Call: (206) [system] peek_char((0x563acd73bee0), _748930)
   Exit: (206) [system] peek_char((0x563acd73bee0), ')')
^  Call: (206) [user] is_delimiter(')')
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] arg(_753650, v('(', ')', end_of_file), ')')
   Exit: (207) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (206) [user] is_delimiter(')')
   Call: (206) [system] _747996=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (205) [user] classify_and_convert_charseq(['A'], _712486)
^  Call: (206) [user] classify_and_convert_charseq_(['A'], _760086)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_761038, _761040), once(user:catch(read_from_chars(['A'], _760086), _761020, fail)), '$restore_trace'(_761038, _761040))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_761038, _761040))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _760086), _761020, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(_760086)
   Fail: (207) [system] atomic(_760086)
   Call: (207) [system] atom_chars(_760086, ['A'])
   Exit: (207) [system] atom_chars('A', ['A'])
^  Exit: (206) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (206) [system] integer('A')
   Fail: (206) [system] integer('A')
   Call: (206) [system] _712486='A'
   Exit: (206) [system] 'A'='A'
^  Exit: (205) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (204) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (203) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (203) [user] read_list(')', (0x563acd73bee0), _775036)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _776894)
   Exit: (205) [system] peek_char((0x563acd73bee0), ')')
   Call: (205) [system] ')'=(;)
   Fail: (205) [system] ')'=(;)
   Call: (205) [system] ')'=(/)
   Fail: (205) [system] ')'=(/)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Fail: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Fail: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
   Fail: (206) [system] char_type(')', cntrl)
^  Fail: (205) [user] is_like_space(')')
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _792904)
   Exit: (204) [system] peek_char((0x563acd73bee0), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x563acd73bee0), _796694)
   Exit: (204) [system] get_char((0x563acd73bee0), ')')
   Call: (204) [system] _775036=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x563acd73bee0), [])
   Call: (203) [system] _675826=['A']
   Exit: (203) [system] ['A']=['A']
^  Exit: (202) [user] read_list(')', (0x563acd73bee0), ['A'])
   Call: (202) [system] _3928=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
   Exit: (202) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
^  Exit: (201) [user] read_list(')', (0x563acd73bee0), [['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
   Call: (201) [system] _3920=['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
   Exit: (201) [system] ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']=['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
^  Exit: (199) [user] cont_sexpr(')', (0x563acd73bee0), ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _810576)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _812434)
   Exit: (201) [system] peek_char((0x563acd73bee0), ')')
   Call: (201) [system] ')'=(;)
   Fail: (201) [system] ')'=(;)
   Call: (201) [system] ')'=(/)
   Fail: (201) [system] ')'=(/)
^  Call: (201) [user] is_like_space(')')
   Call: (202) [system] char_type(')', 'white')
   Fail: (202) [system] char_type(')', 'white')
   Call: (202) [system] char_type(')', end_of_line)
   Fail: (202) [system] char_type(')', end_of_line)
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] char_type(')', cntrl)
   Fail: (202) [system] char_type(')', cntrl)
^  Fail: (201) [user] is_like_space(')')
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _828444)
   Exit: (200) [system] peek_char((0x563acd73bee0), ')')
   Call: (200) [system] ')'=')'
   Exit: (200) [system] ')'=')'
   Call: (200) [system] get_char((0x563acd73bee0), _832234)
   Exit: (200) [system] get_char((0x563acd73bee0), ')')
   Call: (200) [system] _810576=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), [])
   Call: (199) [system] _3916=[['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (199) [system] [['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=[['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (198) [user] read_list(')', (0x563acd73bee0), [['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
   Call: (198) [system] _3892=[['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (198) [system] [['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=[['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (197) [user] read_list(')', (0x563acd73bee0), [['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
   Call: (197) [system] _3884=[:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (197) [system] [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=[:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (196) [user] read_list(')', (0x563acd73bee0), [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
^  Exit: (195) [user] cont_sexpr(')', (0x563acd73bee0), [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _846116)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _847974)
   Exit: (197) [system] peek_char((0x563acd73bee0), '\n')
   Call: (197) [system] '\n'=(;)
   Fail: (197) [system] '\n'=(;)
   Call: (197) [system] '\n'=(/)
   Fail: (197) [system] '\n'=(/)
^  Call: (197) [user] is_like_space('\n')
   Call: (198) [system] char_type('\n', 'white')
   Fail: (198) [system] char_type('\n', 'white')
   Call: (198) [system] char_type('\n', end_of_line)
   Exit: (198) [system] char_type('\n', end_of_line)
^  Exit: (197) [user] is_like_space('\n')
   Call: (197) [system] get_char((0x563acd73bee0), _859424)
   Exit: (197) [system] get_char((0x563acd73bee0), '\n')
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _862128)
   Exit: (198) [system] peek_char((0x563acd73bee0), '\t')
   Call: (198) [system] '\t'=(;)
   Fail: (198) [system] '\t'=(;)
   Call: (198) [system] '\t'=(/)
   Fail: (198) [system] '\t'=(/)
^  Call: (198) [user] is_like_space('\t')
   Call: (199) [system] char_type('\t', 'white')
   Exit: (199) [system] char_type('\t', 'white')
^  Exit: (198) [user] is_like_space('\t')
   Call: (198) [system] get_char((0x563acd73bee0), _871722)
   Exit: (198) [system] get_char((0x563acd73bee0), '\t')
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _874426)
   Exit: (199) [system] peek_char((0x563acd73bee0), '\t')
   Call: (199) [system] '\t'=(;)
   Fail: (199) [system] '\t'=(;)
   Call: (199) [system] '\t'=(/)
   Fail: (199) [system] '\t'=(/)
^  Call: (199) [user] is_like_space('\t')
   Call: (200) [system] char_type('\t', 'white')
   Exit: (200) [system] char_type('\t', 'white')
^  Exit: (199) [user] is_like_space('\t')
   Call: (199) [system] get_char((0x563acd73bee0), _884020)
   Exit: (199) [system] get_char((0x563acd73bee0), '\t')
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _886724)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x563acd73bee0), _896318)
   Exit: (200) [system] get_char((0x563acd73bee0), ' ')
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _899022)
   Exit: (201) [system] peek_char((0x563acd73bee0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
   Call: (201) [system] '('=(/)
   Fail: (201) [system] '('=(/)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _918728)
   Exit: (196) [system] peek_char((0x563acd73bee0), '(')
   Call: (196) [system] '('=')'
   Fail: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
   Fail: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x563acd73bee0), _924298)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _926156)
   Exit: (198) [system] peek_char((0x563acd73bee0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] get_char((0x563acd73bee0), _942166)
   Exit: (197) [system] get_char((0x563acd73bee0), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _924298)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _947736)
   Exit: (199) [system] peek_char((0x563acd73bee0), :)
   Call: (199) [system] (:)=(;)
   Fail: (199) [system] (:)=(;)
   Call: (199) [system] (:)=(/)
   Fail: (199) [system] (:)=(/)
^  Call: (199) [user] is_like_space(:)
   Call: (200) [system] char_type(:, 'white')
   Fail: (200) [system] char_type(:, 'white')
   Call: (200) [system] char_type(:, end_of_line)
   Fail: (200) [system] char_type(:, end_of_line)
   Call: (200) [system] char_type(:, space)
   Fail: (200) [system] char_type(:, space)
   Call: (200) [system] char_type(:, cntrl)
   Fail: (200) [system] char_type(:, cntrl)
^  Fail: (199) [user] is_like_space(:)
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _963746)
   Exit: (198) [system] peek_char((0x563acd73bee0), :)
   Call: (198) [system] (:)=')'
   Fail: (198) [system] (:)=')'
   Call: (198) [system] (:)=end_of_file
   Fail: (198) [system] (:)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x563acd73bee0), _969316)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _971174)
   Exit: (200) [system] peek_char((0x563acd73bee0), :)
   Call: (200) [system] (:)=(;)
   Fail: (200) [system] (:)=(;)
   Call: (200) [system] (:)=(/)
   Fail: (200) [system] (:)=(/)
^  Call: (200) [user] is_like_space(:)
   Call: (201) [system] char_type(:, 'white')
   Fail: (201) [system] char_type(:, 'white')
   Call: (201) [system] char_type(:, end_of_line)
   Fail: (201) [system] char_type(:, end_of_line)
   Call: (201) [system] char_type(:, space)
   Fail: (201) [system] char_type(:, space)
   Call: (201) [system] char_type(:, cntrl)
   Fail: (201) [system] char_type(:, cntrl)
^  Fail: (200) [user] is_like_space(:)
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] get_char((0x563acd73bee0), _987184)
   Exit: (199) [system] get_char((0x563acd73bee0), :)
   Call: (199) [system] (:)='('
   Fail: (199) [system] (:)='('
   Call: (199) [system] (:)='['
   Fail: (199) [system] (:)='['
   Call: (199) [system] (:)='{'
   Fail: (199) [system] (:)='{'
   Call: (199) [system] (:)='"'
   Fail: (199) [system] (:)='"'
   Call: (199) [system] (:)=!
   Fail: (199) [system] (:)=!
   Call: (199) [system] (:)='\''
   Fail: (199) [system] (:)='\''
   Call: (199) [system] (:)='`'
   Fail: (199) [system] (:)='`'
   Call: (199) [system] (:)=end_of_file
   Fail: (199) [system] (:)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x563acd73bee0), :, _969316)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _1004826)
   Call: (201) [system] peek_char((0x563acd73bee0), _1005760)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (201) [user] is_delimiter(' ')
   Call: (202) [system] char_type(' ', space)
   Exit: (202) [system] char_type(' ', space)
^  Exit: (201) [user] is_delimiter(' ')
   Call: (201) [system] _1004826=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (200) [user] classify_and_convert_charseq([:], _969316)
^  Call: (201) [user] classify_and_convert_charseq_([:], _1015044)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_1015996, _1015998), once(user:catch(read_from_chars([:], _1015044), _1015978, fail)), '$restore_trace'(_1015996, _1015998))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_1015996, _1015998))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1015978, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(:)
   Exit: (202) [system] atomic(:)
^  Exit: (201) [user] classify_and_convert_charseq_([:], :)
   Call: (201) [system] integer(:)
   Fail: (201) [system] integer(:)
   Call: (201) [system] _969316=(:)
   Exit: (201) [system] (:)=(:)
^  Exit: (200) [user] classify_and_convert_charseq([:], :)
^  Exit: (199) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (198) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _1028124)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1029982)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x563acd73bee0), _1039576)
   Exit: (200) [system] get_char((0x563acd73bee0), ' ')
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1042280)
   Exit: (201) [system] peek_char((0x563acd73bee0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
   Call: (201) [system] '('=(/)
   Fail: (201) [system] '('=(/)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1059214)
   Exit: (199) [system] peek_char((0x563acd73bee0), '(')
   Call: (199) [system] '('=')'
   Fail: (199) [system] '('=')'
   Call: (199) [system] '('=end_of_file
   Fail: (199) [system] '('=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x563acd73bee0), _1064784)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1066642)
   Exit: (201) [system] peek_char((0x563acd73bee0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
   Call: (201) [system] '('=(/)
   Fail: (201) [system] '('=(/)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] get_char((0x563acd73bee0), _1082652)
   Exit: (200) [system] get_char((0x563acd73bee0), '(')
   Call: (200) [system] '('='('
   Exit: (200) [system] '('='('
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _1064784)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1088222)
   Exit: (202) [system] peek_char((0x563acd73bee0), 'C')
   Call: (202) [system] 'C'=(;)
   Fail: (202) [system] 'C'=(;)
   Call: (202) [system] 'C'=(/)
   Fail: (202) [system] 'C'=(/)
^  Call: (202) [user] is_like_space('C')
   Call: (203) [system] char_type('C', 'white')
   Fail: (203) [system] char_type('C', 'white')
   Call: (203) [system] char_type('C', end_of_line)
   Fail: (203) [system] char_type('C', end_of_line)
   Call: (203) [system] char_type('C', space)
   Fail: (203) [system] char_type('C', space)
   Call: (203) [system] char_type('C', cntrl)
   Fail: (203) [system] char_type('C', cntrl)
^  Fail: (202) [user] is_like_space('C')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1104232)
   Exit: (201) [system] peek_char((0x563acd73bee0), 'C')
   Call: (201) [system] 'C'=')'
   Fail: (201) [system] 'C'=')'
   Call: (201) [system] 'C'=end_of_file
   Fail: (201) [system] 'C'=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x563acd73bee0), _1109802)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1111660)
   Exit: (203) [system] peek_char((0x563acd73bee0), 'C')
   Call: (203) [system] 'C'=(;)
   Fail: (203) [system] 'C'=(;)
   Call: (203) [system] 'C'=(/)
   Fail: (203) [system] 'C'=(/)
^  Call: (203) [user] is_like_space('C')
   Call: (204) [system] char_type('C', 'white')
   Fail: (204) [system] char_type('C', 'white')
   Call: (204) [system] char_type('C', end_of_line)
   Fail: (204) [system] char_type('C', end_of_line)
   Call: (204) [system] char_type('C', space)
   Fail: (204) [system] char_type('C', space)
   Call: (204) [system] char_type('C', cntrl)
   Fail: (204) [system] char_type('C', cntrl)
^  Fail: (203) [user] is_like_space('C')
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] get_char((0x563acd73bee0), _1127670)
   Exit: (202) [system] get_char((0x563acd73bee0), 'C')
   Call: (202) [system] 'C'='('
   Fail: (202) [system] 'C'='('
   Call: (202) [system] 'C'='['
   Fail: (202) [system] 'C'='['
   Call: (202) [system] 'C'='{'
   Fail: (202) [system] 'C'='{'
   Call: (202) [system] 'C'='"'
   Fail: (202) [system] 'C'='"'
   Call: (202) [system] 'C'=!
   Fail: (202) [system] 'C'=!
   Call: (202) [system] 'C'='\''
   Fail: (202) [system] 'C'='\''
   Call: (202) [system] 'C'='`'
   Fail: (202) [system] 'C'='`'
   Call: (202) [system] 'C'=end_of_file
   Fail: (202) [system] 'C'=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x563acd73bee0), 'C', _1109802)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1145312)
   Call: (204) [system] peek_char((0x563acd73bee0), _1146246)
   Exit: (204) [system] peek_char((0x563acd73bee0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_1150966, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_1151898, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x563acd73bee0), o)
   Exit: (204) [system] get_char((0x563acd73bee0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1159248)
   Call: (205) [system] peek_char((0x563acd73bee0), _1160182)
   Exit: (205) [system] peek_char((0x563acd73bee0), n)
^  Call: (205) [user] is_delimiter(n)
   Call: (206) [system] char_type(n, space)
   Fail: (206) [system] char_type(n, space)
   Call: (206) [system] arg(_1164902, v('(', ')', end_of_file), n)
   Fail: (206) [system] arg(_1165834, v('(', ')', end_of_file), n)
^  Fail: (205) [user] is_delimiter(n)
   Call: (205) [system] ')'==n
   Fail: (205) [system] ')'==n
   Call: (205) [system] get_char((0x563acd73bee0), n)
   Exit: (205) [system] get_char((0x563acd73bee0), n)
   Call: (205) [system] n=(\)
   Fail: (205) [system] n=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1173184)
   Call: (206) [system] peek_char((0x563acd73bee0), _1174118)
   Exit: (206) [system] peek_char((0x563acd73bee0), j)
^  Call: (206) [user] is_delimiter(j)
   Call: (207) [system] char_type(j, space)
   Fail: (207) [system] char_type(j, space)
   Call: (207) [system] arg(_1178838, v('(', ')', end_of_file), j)
   Fail: (207) [system] arg(_1179770, v('(', ')', end_of_file), j)
^  Fail: (206) [user] is_delimiter(j)
   Call: (206) [system] ')'==j
   Fail: (206) [system] ')'==j
   Call: (206) [system] get_char((0x563acd73bee0), j)
   Exit: (206) [system] get_char((0x563acd73bee0), j)
   Call: (206) [system] j=(\)
   Fail: (206) [system] j=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1187120)
   Call: (207) [system] peek_char((0x563acd73bee0), _1188054)
   Exit: (207) [system] peek_char((0x563acd73bee0), u)
^  Call: (207) [user] is_delimiter(u)
   Call: (208) [system] char_type(u, space)
   Fail: (208) [system] char_type(u, space)
   Call: (208) [system] arg(_1192774, v('(', ')', end_of_file), u)
   Fail: (208) [system] arg(_1193706, v('(', ')', end_of_file), u)
^  Fail: (207) [user] is_delimiter(u)
   Call: (207) [system] ')'==u
   Fail: (207) [system] ')'==u
   Call: (207) [system] get_char((0x563acd73bee0), u)
   Exit: (207) [system] get_char((0x563acd73bee0), u)
   Call: (207) [system] u=(\)
   Fail: (207) [system] u=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1201056)
   Call: (208) [system] peek_char((0x563acd73bee0), _1201990)
   Exit: (208) [system] peek_char((0x563acd73bee0), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Fail: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_1206710, v('(', ')', end_of_file), n)
   Fail: (209) [system] arg(_1207642, v('(', ')', end_of_file), n)
^  Fail: (208) [user] is_delimiter(n)
   Call: (208) [system] ')'==n
   Fail: (208) [system] ')'==n
   Call: (208) [system] get_char((0x563acd73bee0), n)
   Exit: (208) [system] get_char((0x563acd73bee0), n)
   Call: (208) [system] n=(\)
   Fail: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1214992)
   Call: (209) [system] peek_char((0x563acd73bee0), _1215926)
   Exit: (209) [system] peek_char((0x563acd73bee0), c)
^  Call: (209) [user] is_delimiter(c)
   Call: (210) [system] char_type(c, space)
   Fail: (210) [system] char_type(c, space)
   Call: (210) [system] arg(_1220646, v('(', ')', end_of_file), c)
   Fail: (210) [system] arg(_1221578, v('(', ')', end_of_file), c)
^  Fail: (209) [user] is_delimiter(c)
   Call: (209) [system] ')'==c
   Fail: (209) [system] ')'==c
   Call: (209) [system] get_char((0x563acd73bee0), c)
   Exit: (209) [system] get_char((0x563acd73bee0), c)
   Call: (209) [system] c=(\)
   Fail: (209) [system] c=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1228928)
   Call: (210) [system] peek_char((0x563acd73bee0), _1229862)
   Exit: (210) [system] peek_char((0x563acd73bee0), t)
^  Call: (210) [user] is_delimiter(t)
   Call: (211) [system] char_type(t, space)
   Fail: (211) [system] char_type(t, space)
   Call: (211) [system] arg(_1234582, v('(', ')', end_of_file), t)
   Fail: (211) [system] arg(_1235514, v('(', ')', end_of_file), t)
^  Fail: (210) [user] is_delimiter(t)
   Call: (210) [system] ')'==t
   Fail: (210) [system] ')'==t
   Call: (210) [system] get_char((0x563acd73bee0), t)
   Exit: (210) [system] get_char((0x563acd73bee0), t)
   Call: (210) [system] t=(\)
   Fail: (210) [system] t=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1242864)
   Call: (211) [system] peek_char((0x563acd73bee0), _1243798)
   Exit: (211) [system] peek_char((0x563acd73bee0), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Fail: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_1248518, v('(', ')', end_of_file), i)
   Fail: (212) [system] arg(_1249450, v('(', ')', end_of_file), i)
^  Fail: (211) [user] is_delimiter(i)
   Call: (211) [system] ')'==i
   Fail: (211) [system] ')'==i
   Call: (211) [system] get_char((0x563acd73bee0), i)
   Exit: (211) [system] get_char((0x563acd73bee0), i)
   Call: (211) [system] i=(\)
   Fail: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1256800)
   Call: (212) [system] peek_char((0x563acd73bee0), _1257734)
   Exit: (212) [system] peek_char((0x563acd73bee0), o)
^  Call: (212) [user] is_delimiter(o)
   Call: (213) [system] char_type(o, space)
   Fail: (213) [system] char_type(o, space)
   Call: (213) [system] arg(_1262454, v('(', ')', end_of_file), o)
   Fail: (213) [system] arg(_1263386, v('(', ')', end_of_file), o)
^  Fail: (212) [user] is_delimiter(o)
   Call: (212) [system] ')'==o
   Fail: (212) [system] ')'==o
   Call: (212) [system] get_char((0x563acd73bee0), o)
   Exit: (212) [system] get_char((0x563acd73bee0), o)
   Call: (212) [system] o=(\)
   Fail: (212) [system] o=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _1270736)
   Call: (213) [system] peek_char((0x563acd73bee0), _1271670)
   Exit: (213) [system] peek_char((0x563acd73bee0), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_1276390, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_1277322, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x563acd73bee0), n)
   Exit: (213) [system] get_char((0x563acd73bee0), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _1284672)
   Call: (214) [system] peek_char((0x563acd73bee0), _1285606)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'I')
^  Call: (214) [user] is_delimiter('I')
   Call: (215) [system] char_type('I', space)
   Fail: (215) [system] char_type('I', space)
   Call: (215) [system] arg(_1290326, v('(', ')', end_of_file), 'I')
   Fail: (215) [system] arg(_1291258, v('(', ')', end_of_file), 'I')
^  Fail: (214) [user] is_delimiter('I')
   Call: (214) [system] ')'=='I'
   Fail: (214) [system] ')'=='I'
   Call: (214) [system] get_char((0x563acd73bee0), 'I')
   Exit: (214) [system] get_char((0x563acd73bee0), 'I')
   Call: (214) [system] 'I'=(\)
   Fail: (214) [system] 'I'=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _1298608)
   Call: (215) [system] peek_char((0x563acd73bee0), _1299542)
   Exit: (215) [system] peek_char((0x563acd73bee0), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_1304262, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_1305194, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x563acd73bee0), n)
   Exit: (215) [system] get_char((0x563acd73bee0), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _1312544)
   Call: (216) [system] peek_char((0x563acd73bee0), _1313478)
   Exit: (216) [system] peek_char((0x563acd73bee0), t)
^  Call: (216) [user] is_delimiter(t)
   Call: (217) [system] char_type(t, space)
   Fail: (217) [system] char_type(t, space)
   Call: (217) [system] arg(_1318198, v('(', ')', end_of_file), t)
   Fail: (217) [system] arg(_1319130, v('(', ')', end_of_file), t)
^  Fail: (216) [user] is_delimiter(t)
   Call: (216) [system] ')'==t
   Fail: (216) [system] ')'==t
   Call: (216) [system] get_char((0x563acd73bee0), t)
   Exit: (216) [system] get_char((0x563acd73bee0), t)
   Call: (216) [system] t=(\)
   Fail: (216) [system] t=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _1326480)
   Call: (217) [system] peek_char((0x563acd73bee0), _1327414)
   Exit: (217) [system] peek_char((0x563acd73bee0), r)
^  Call: (217) [user] is_delimiter(r)
   Call: (218) [system] char_type(r, space)
   Fail: (218) [system] char_type(r, space)
   Call: (218) [system] arg(_1332134, v('(', ')', end_of_file), r)
   Fail: (218) [system] arg(_1333066, v('(', ')', end_of_file), r)
^  Fail: (217) [user] is_delimiter(r)
   Call: (217) [system] ')'==r
   Fail: (217) [system] ')'==r
   Call: (217) [system] get_char((0x563acd73bee0), r)
   Exit: (217) [system] get_char((0x563acd73bee0), r)
   Call: (217) [system] r=(\)
   Fail: (217) [system] r=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _1340416)
   Call: (218) [system] peek_char((0x563acd73bee0), _1341350)
   Exit: (218) [system] peek_char((0x563acd73bee0), o)
^  Call: (218) [user] is_delimiter(o)
   Call: (219) [system] char_type(o, space)
   Fail: (219) [system] char_type(o, space)
   Call: (219) [system] arg(_1346070, v('(', ')', end_of_file), o)
   Fail: (219) [system] arg(_1347002, v('(', ')', end_of_file), o)
^  Fail: (218) [user] is_delimiter(o)
   Call: (218) [system] ')'==o
   Fail: (218) [system] ')'==o
   Call: (218) [system] get_char((0x563acd73bee0), o)
   Exit: (218) [system] get_char((0x563acd73bee0), o)
   Call: (218) [system] o=(\)
   Fail: (218) [system] o=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _1354352)
   Call: (219) [system] peek_char((0x563acd73bee0), _1355286)
   Exit: (219) [system] peek_char((0x563acd73bee0), d)
^  Call: (219) [user] is_delimiter(d)
   Call: (220) [system] char_type(d, space)
   Fail: (220) [system] char_type(d, space)
   Call: (220) [system] arg(_1360006, v('(', ')', end_of_file), d)
   Fail: (220) [system] arg(_1360938, v('(', ')', end_of_file), d)
^  Fail: (219) [user] is_delimiter(d)
   Call: (219) [system] ')'==d
   Fail: (219) [system] ')'==d
   Call: (219) [system] get_char((0x563acd73bee0), d)
   Exit: (219) [system] get_char((0x563acd73bee0), d)
   Call: (219) [system] d=(\)
   Fail: (219) [system] d=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _1368288)
   Call: (220) [system] peek_char((0x563acd73bee0), _1369222)
   Exit: (220) [system] peek_char((0x563acd73bee0), u)
^  Call: (220) [user] is_delimiter(u)
   Call: (221) [system] char_type(u, space)
   Fail: (221) [system] char_type(u, space)
   Call: (221) [system] arg(_1373942, v('(', ')', end_of_file), u)
   Fail: (221) [system] arg(_1374874, v('(', ')', end_of_file), u)
^  Fail: (220) [user] is_delimiter(u)
   Call: (220) [system] ')'==u
   Fail: (220) [system] ')'==u
   Call: (220) [system] get_char((0x563acd73bee0), u)
   Exit: (220) [system] get_char((0x563acd73bee0), u)
   Call: (220) [system] u=(\)
   Fail: (220) [system] u=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _1382224)
   Call: (221) [system] peek_char((0x563acd73bee0), _1383158)
   Exit: (221) [system] peek_char((0x563acd73bee0), c)
^  Call: (221) [user] is_delimiter(c)
   Call: (222) [system] char_type(c, space)
   Fail: (222) [system] char_type(c, space)
   Call: (222) [system] arg(_1387878, v('(', ')', end_of_file), c)
   Fail: (222) [system] arg(_1388810, v('(', ')', end_of_file), c)
^  Fail: (221) [user] is_delimiter(c)
   Call: (221) [system] ')'==c
   Fail: (221) [system] ')'==c
   Call: (221) [system] get_char((0x563acd73bee0), c)
   Exit: (221) [system] get_char((0x563acd73bee0), c)
   Call: (221) [system] c=(\)
   Fail: (221) [system] c=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _1396160)
   Call: (222) [system] peek_char((0x563acd73bee0), _1397094)
   Exit: (222) [system] peek_char((0x563acd73bee0), t)
^  Call: (222) [user] is_delimiter(t)
   Call: (223) [system] char_type(t, space)
   Fail: (223) [system] char_type(t, space)
   Call: (223) [system] arg(_1401814, v('(', ')', end_of_file), t)
   Fail: (223) [system] arg(_1402746, v('(', ')', end_of_file), t)
^  Fail: (222) [user] is_delimiter(t)
   Call: (222) [system] ')'==t
   Fail: (222) [system] ')'==t
   Call: (222) [system] get_char((0x563acd73bee0), t)
   Exit: (222) [system] get_char((0x563acd73bee0), t)
   Call: (222) [system] t=(\)
   Fail: (222) [system] t=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _1410096)
   Call: (223) [system] peek_char((0x563acd73bee0), _1411030)
   Exit: (223) [system] peek_char((0x563acd73bee0), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Fail: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_1415750, v('(', ')', end_of_file), i)
   Fail: (224) [system] arg(_1416682, v('(', ')', end_of_file), i)
^  Fail: (223) [user] is_delimiter(i)
   Call: (223) [system] ')'==i
   Fail: (223) [system] ')'==i
   Call: (223) [system] get_char((0x563acd73bee0), i)
   Exit: (223) [system] get_char((0x563acd73bee0), i)
   Call: (223) [system] i=(\)
   Fail: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _1424032)
   Call: (224) [system] peek_char((0x563acd73bee0), _1424966)
   Exit: (224) [system] peek_char((0x563acd73bee0), o)
^  Call: (224) [user] is_delimiter(o)
   Call: (225) [system] char_type(o, space)
   Fail: (225) [system] char_type(o, space)
   Call: (225) [system] arg(_1429686, v('(', ')', end_of_file), o)
   Fail: (225) [system] arg(_1430618, v('(', ')', end_of_file), o)
^  Fail: (224) [user] is_delimiter(o)
   Call: (224) [system] ')'==o
   Fail: (224) [system] ')'==o
   Call: (224) [system] get_char((0x563acd73bee0), o)
   Exit: (224) [system] get_char((0x563acd73bee0), o)
   Call: (224) [system] o=(\)
   Fail: (224) [system] o=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _1437968)
   Call: (225) [system] peek_char((0x563acd73bee0), _1438902)
   Exit: (225) [system] peek_char((0x563acd73bee0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_1443622, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_1444554, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x563acd73bee0), n)
   Exit: (225) [system] get_char((0x563acd73bee0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _1451904)
   Call: (226) [system] peek_char((0x563acd73bee0), _1452838)
   Exit: (226) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _1451904=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (225) [system] _1437968=[n]
   Exit: (225) [system] [n]=[n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (224) [system] _1424032=[o, n]
   Exit: (224) [system] [o, n]=[o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (223) [system] _1410096=[i, o, n]
   Exit: (223) [system] [i, o, n]=[i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (222) [system] _1396160=[t, i, o, n]
   Exit: (222) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (221) [system] _1382224=[c, t, i, o, n]
   Exit: (221) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n])
   Call: (220) [system] _1368288=[u, c, t, i, o, n]
   Exit: (220) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, i, o, n])
   Call: (219) [system] _1354352=[d, u, c, t, i, o, n]
   Exit: (219) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, u, c, t, i, o, n])
   Call: (218) [system] _1340416=[o, d, u, c, t, i, o, n]
   Exit: (218) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, d, u, c, t, i, o, n])
   Call: (217) [system] _1326480=[r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1312544=[t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1298608=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _1284672=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1270736=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _1256800=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _1242864=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _1228928=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _1214992=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _1201056=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (207) [system] _1187120=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (207) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (206) [system] _1173184=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (206) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (205) [system] _1159248=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (205) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (204) [system] _1145312=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (204) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (203) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1109802)
^  Call: (204) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1523590)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_1524542, _1524544), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1523590), _1524524, fail)), '$restore_trace'(_1524542, _1524544))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_1524542, _1524544))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1523590), _1524524, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(_1523590)
   Fail: (205) [system] atomic(_1523590)
   Call: (205) [system] atom_chars(_1523590, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (205) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (204) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
   Call: (204) [system] integer('ConjunctionIntroduction')
   Fail: (204) [system] integer('ConjunctionIntroduction')
   Call: (204) [system] _1109802='ConjunctionIntroduction'
   Exit: (204) [system] 'ConjunctionIntroduction'='ConjunctionIntroduction'
^  Exit: (203) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (202) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'ConjunctionIntroduction')
^  Exit: (201) [user] cont_sexpr(')', (0x563acd73bee0), 'ConjunctionIntroduction')
^  Call: (201) [user] read_list(')', (0x563acd73bee0), _1538540)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1540398)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x563acd73bee0), _1549992)
   Exit: (203) [system] get_char((0x563acd73bee0), ' ')
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1552696)
   Exit: (204) [system] peek_char((0x563acd73bee0), a)
   Call: (204) [system] a=(;)
   Fail: (204) [system] a=(;)
   Call: (204) [system] a=(/)
   Fail: (204) [system] a=(/)
^  Call: (204) [user] is_like_space(a)
   Call: (205) [system] char_type(a, 'white')
   Fail: (205) [system] char_type(a, 'white')
   Call: (205) [system] char_type(a, end_of_line)
   Fail: (205) [system] char_type(a, end_of_line)
   Call: (205) [system] char_type(a, space)
   Fail: (205) [system] char_type(a, space)
   Call: (205) [system] char_type(a, cntrl)
   Fail: (205) [system] char_type(a, cntrl)
^  Fail: (204) [user] is_like_space(a)
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1569630)
   Exit: (202) [system] peek_char((0x563acd73bee0), a)
   Call: (202) [system] a=')'
   Fail: (202) [system] a=')'
   Call: (202) [system] a=end_of_file
   Fail: (202) [system] a=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x563acd73bee0), _1575200)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1577058)
   Exit: (204) [system] peek_char((0x563acd73bee0), a)
   Call: (204) [system] a=(;)
   Fail: (204) [system] a=(;)
   Call: (204) [system] a=(/)
   Fail: (204) [system] a=(/)
^  Call: (204) [user] is_like_space(a)
   Call: (205) [system] char_type(a, 'white')
   Fail: (205) [system] char_type(a, 'white')
   Call: (205) [system] char_type(a, end_of_line)
   Fail: (205) [system] char_type(a, end_of_line)
   Call: (205) [system] char_type(a, space)
   Fail: (205) [system] char_type(a, space)
   Call: (205) [system] char_type(a, cntrl)
   Fail: (205) [system] char_type(a, cntrl)
^  Fail: (204) [user] is_like_space(a)
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] get_char((0x563acd73bee0), _1593068)
   Exit: (203) [system] get_char((0x563acd73bee0), a)
   Call: (203) [system] a='('
   Fail: (203) [system] a='('
   Call: (203) [system] a='['
   Fail: (203) [system] a='['
   Call: (203) [system] a='{'
   Fail: (203) [system] a='{'
   Call: (203) [system] a='"'
   Fail: (203) [system] a='"'
   Call: (203) [system] a=!
   Fail: (203) [system] a=!
   Call: (203) [system] a='\''
   Fail: (203) [system] a='\''
   Call: (203) [system] a='`'
   Fail: (203) [system] a='`'
   Call: (203) [system] a=end_of_file
   Fail: (203) [system] a=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x563acd73bee0), a, _1575200)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1610710)
   Call: (205) [system] peek_char((0x563acd73bee0), _1611644)
   Exit: (205) [system] peek_char((0x563acd73bee0), b)
^  Call: (205) [user] is_delimiter(b)
   Call: (206) [system] char_type(b, space)
   Fail: (206) [system] char_type(b, space)
   Call: (206) [system] arg(_1616364, v('(', ')', end_of_file), b)
   Fail: (206) [system] arg(_1617296, v('(', ')', end_of_file), b)
^  Fail: (205) [user] is_delimiter(b)
   Call: (205) [system] ')'==b
   Fail: (205) [system] ')'==b
   Call: (205) [system] get_char((0x563acd73bee0), b)
   Exit: (205) [system] get_char((0x563acd73bee0), b)
   Call: (205) [system] b=(\)
   Fail: (205) [system] b=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1624646)
   Call: (206) [system] peek_char((0x563acd73bee0), _1625580)
   Exit: (206) [system] peek_char((0x563acd73bee0), c)
^  Call: (206) [user] is_delimiter(c)
   Call: (207) [system] char_type(c, space)
   Fail: (207) [system] char_type(c, space)
   Call: (207) [system] arg(_1630300, v('(', ')', end_of_file), c)
   Fail: (207) [system] arg(_1631232, v('(', ')', end_of_file), c)
^  Fail: (206) [user] is_delimiter(c)
   Call: (206) [system] ')'==c
   Fail: (206) [system] ')'==c
   Call: (206) [system] get_char((0x563acd73bee0), c)
   Exit: (206) [system] get_char((0x563acd73bee0), c)
   Call: (206) [system] c=(\)
   Fail: (206) [system] c=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1638582)
   Call: (207) [system] peek_char((0x563acd73bee0), _1639516)
   Exit: (207) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _1638582=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (206) [system] _1624646=[c]
   Exit: (206) [system] [c]=[c]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [c])
   Call: (205) [system] _1610710=[b, c]
   Exit: (205) [system] [b, c]=[b, c]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [b, c])
^  Call: (204) [user] classify_and_convert_charseq([a, b, c], _1575200)
^  Call: (205) [user] classify_and_convert_charseq_([a, b, c], _1654388)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_1655340, _1655342), once(user:catch(read_from_chars([a, b, c], _1654388), _1655322, fail)), '$restore_trace'(_1655340, _1655342))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_1655340, _1655342))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1655322, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(abc)
   Exit: (206) [system] atomic(abc)
^  Exit: (205) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (205) [system] integer(abc)
   Fail: (205) [system] integer(abc)
   Call: (205) [system] _1575200=abc
   Exit: (205) [system] abc=abc
^  Exit: (204) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (203) [user] read_symbolic(')', (0x563acd73bee0), a, abc)
^  Exit: (202) [user] cont_sexpr(')', (0x563acd73bee0), abc)
^  Call: (202) [user] read_list(')', (0x563acd73bee0), _1667468)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1669326)
   Exit: (204) [system] peek_char((0x563acd73bee0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x563acd73bee0), _1678920)
   Exit: (204) [system] get_char((0x563acd73bee0), ' ')
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1681624)
   Exit: (205) [system] peek_char((0x563acd73bee0), a)
   Call: (205) [system] a=(;)
   Fail: (205) [system] a=(;)
   Call: (205) [system] a=(/)
   Fail: (205) [system] a=(/)
^  Call: (205) [user] is_like_space(a)
   Call: (206) [system] char_type(a, 'white')
   Fail: (206) [system] char_type(a, 'white')
   Call: (206) [system] char_type(a, end_of_line)
   Fail: (206) [system] char_type(a, end_of_line)
   Call: (206) [system] char_type(a, space)
   Fail: (206) [system] char_type(a, space)
   Call: (206) [system] char_type(a, cntrl)
   Fail: (206) [system] char_type(a, cntrl)
^  Fail: (205) [user] is_like_space(a)
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1698558)
   Exit: (203) [system] peek_char((0x563acd73bee0), a)
   Call: (203) [system] a=')'
   Fail: (203) [system] a=')'
   Call: (203) [system] a=end_of_file
   Fail: (203) [system] a=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x563acd73bee0), _1704128)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1705986)
   Exit: (205) [system] peek_char((0x563acd73bee0), a)
   Call: (205) [system] a=(;)
   Fail: (205) [system] a=(;)
   Call: (205) [system] a=(/)
   Fail: (205) [system] a=(/)
^  Call: (205) [user] is_like_space(a)
   Call: (206) [system] char_type(a, 'white')
   Fail: (206) [system] char_type(a, 'white')
   Call: (206) [system] char_type(a, end_of_line)
   Fail: (206) [system] char_type(a, end_of_line)
   Call: (206) [system] char_type(a, space)
   Fail: (206) [system] char_type(a, space)
   Call: (206) [system] char_type(a, cntrl)
   Fail: (206) [system] char_type(a, cntrl)
^  Fail: (205) [user] is_like_space(a)
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] get_char((0x563acd73bee0), _1721996)
   Exit: (204) [system] get_char((0x563acd73bee0), a)
   Call: (204) [system] a='('
   Fail: (204) [system] a='('
   Call: (204) [system] a='['
   Fail: (204) [system] a='['
   Call: (204) [system] a='{'
   Fail: (204) [system] a='{'
   Call: (204) [system] a='"'
   Fail: (204) [system] a='"'
   Call: (204) [system] a=!
   Fail: (204) [system] a=!
   Call: (204) [system] a='\''
   Fail: (204) [system] a='\''
   Call: (204) [system] a='`'
   Fail: (204) [system] a='`'
   Call: (204) [system] a=end_of_file
   Fail: (204) [system] a=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x563acd73bee0), a, _1704128)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1739638)
   Call: (206) [system] peek_char((0x563acd73bee0), _1740572)
   Exit: (206) [system] peek_char((0x563acd73bee0), ')')
^  Call: (206) [user] is_delimiter(')')
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] arg(_1745292, v('(', ')', end_of_file), ')')
   Exit: (207) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (206) [user] is_delimiter(')')
   Call: (206) [system] _1739638=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (205) [user] classify_and_convert_charseq([a], _1704128)
^  Call: (206) [user] classify_and_convert_charseq_([a], _1751728)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_1752680, _1752682), once(user:catch(read_from_chars([a], _1751728), _1752662, fail)), '$restore_trace'(_1752680, _1752682))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_1752680, _1752682))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1752662, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(a)
   Exit: (207) [system] atomic(a)
^  Exit: (206) [user] classify_and_convert_charseq_([a], a)
   Call: (206) [system] integer(a)
   Fail: (206) [system] integer(a)
   Call: (206) [system] _1704128=a
   Exit: (206) [system] a=a
^  Exit: (205) [user] classify_and_convert_charseq([a], a)
^  Exit: (204) [user] read_symbolic(')', (0x563acd73bee0), a, a)
^  Exit: (203) [user] cont_sexpr(')', (0x563acd73bee0), a)
^  Call: (203) [user] read_list(')', (0x563acd73bee0), _1764808)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1766666)
   Exit: (205) [system] peek_char((0x563acd73bee0), ')')
   Call: (205) [system] ')'=(;)
   Fail: (205) [system] ')'=(;)
   Call: (205) [system] ')'=(/)
   Fail: (205) [system] ')'=(/)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Fail: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Fail: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
   Fail: (206) [system] char_type(')', cntrl)
^  Fail: (205) [user] is_like_space(')')
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1782676)
   Exit: (204) [system] peek_char((0x563acd73bee0), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x563acd73bee0), _1786466)
   Exit: (204) [system] get_char((0x563acd73bee0), ')')
   Call: (204) [system] _1764808=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x563acd73bee0), [])
   Call: (203) [system] _1667468=[a]
   Exit: (203) [system] [a]=[a]
^  Exit: (202) [user] read_list(')', (0x563acd73bee0), [a])
   Call: (202) [system] _1538540=[abc, a]
   Exit: (202) [system] [abc, a]=[abc, a]
^  Exit: (201) [user] read_list(')', (0x563acd73bee0), [abc, a])
   Call: (201) [system] _1064784=['ConjunctionIntroduction', abc, a]
   Exit: (201) [system] ['ConjunctionIntroduction', abc, a]=['ConjunctionIntroduction', abc, a]
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), ['ConjunctionIntroduction', abc, a])
^  Exit: (199) [user] cont_sexpr(')', (0x563acd73bee0), ['ConjunctionIntroduction', abc, a])
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _1800348)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1802206)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _1811800)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1814504)
   Exit: (202) [system] peek_char((0x563acd73bee0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1831438)
   Exit: (200) [system] peek_char((0x563acd73bee0), '(')
   Call: (200) [system] '('=')'
   Fail: (200) [system] '('=')'
   Call: (200) [system] '('=end_of_file
   Fail: (200) [system] '('=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x563acd73bee0), _1837008)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1838866)
   Exit: (202) [system] peek_char((0x563acd73bee0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] get_char((0x563acd73bee0), _1854876)
   Exit: (201) [system] get_char((0x563acd73bee0), '(')
   Call: (201) [system] '('='('
   Exit: (201) [system] '('='('
^  Call: (201) [user] read_list(')', (0x563acd73bee0), _1837008)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1860446)
   Exit: (203) [system] peek_char((0x563acd73bee0), 'A')
   Call: (203) [system] 'A'=(;)
   Fail: (203) [system] 'A'=(;)
   Call: (203) [system] 'A'=(/)
   Fail: (203) [system] 'A'=(/)
^  Call: (203) [user] is_like_space('A')
   Call: (204) [system] char_type('A', 'white')
   Fail: (204) [system] char_type('A', 'white')
   Call: (204) [system] char_type('A', end_of_line)
   Fail: (204) [system] char_type('A', end_of_line)
   Call: (204) [system] char_type('A', space)
   Fail: (204) [system] char_type('A', space)
   Call: (204) [system] char_type('A', cntrl)
   Fail: (204) [system] char_type('A', cntrl)
^  Fail: (203) [user] is_like_space('A')
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1876456)
   Exit: (202) [system] peek_char((0x563acd73bee0), 'A')
   Call: (202) [system] 'A'=')'
   Fail: (202) [system] 'A'=')'
   Call: (202) [system] 'A'=end_of_file
   Fail: (202) [system] 'A'=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x563acd73bee0), _1882026)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1883884)
   Exit: (204) [system] peek_char((0x563acd73bee0), 'A')
   Call: (204) [system] 'A'=(;)
   Fail: (204) [system] 'A'=(;)
   Call: (204) [system] 'A'=(/)
   Fail: (204) [system] 'A'=(/)
^  Call: (204) [user] is_like_space('A')
   Call: (205) [system] char_type('A', 'white')
   Fail: (205) [system] char_type('A', 'white')
   Call: (205) [system] char_type('A', end_of_line)
   Fail: (205) [system] char_type('A', end_of_line)
   Call: (205) [system] char_type('A', space)
   Fail: (205) [system] char_type('A', space)
   Call: (205) [system] char_type('A', cntrl)
   Fail: (205) [system] char_type('A', cntrl)
^  Fail: (204) [user] is_like_space('A')
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] get_char((0x563acd73bee0), _1899894)
   Exit: (203) [system] get_char((0x563acd73bee0), 'A')
   Call: (203) [system] 'A'='('
   Fail: (203) [system] 'A'='('
   Call: (203) [system] 'A'='['
   Fail: (203) [system] 'A'='['
   Call: (203) [system] 'A'='{'
   Fail: (203) [system] 'A'='{'
   Call: (203) [system] 'A'='"'
   Fail: (203) [system] 'A'='"'
   Call: (203) [system] 'A'=!
   Fail: (203) [system] 'A'=!
   Call: (203) [system] 'A'='\''
   Fail: (203) [system] 'A'='\''
   Call: (203) [system] 'A'='`'
   Fail: (203) [system] 'A'='`'
   Call: (203) [system] 'A'=end_of_file
   Fail: (203) [system] 'A'=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x563acd73bee0), 'A', _1882026)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1917536)
   Call: (205) [system] peek_char((0x563acd73bee0), _1918470)
   Exit: (205) [system] peek_char((0x563acd73bee0), n)
^  Call: (205) [user] is_delimiter(n)
   Call: (206) [system] char_type(n, space)
   Fail: (206) [system] char_type(n, space)
   Call: (206) [system] arg(_1923190, v('(', ')', end_of_file), n)
   Fail: (206) [system] arg(_1924122, v('(', ')', end_of_file), n)
^  Fail: (205) [user] is_delimiter(n)
   Call: (205) [system] ')'==n
   Fail: (205) [system] ')'==n
   Call: (205) [system] get_char((0x563acd73bee0), n)
   Exit: (205) [system] get_char((0x563acd73bee0), n)
   Call: (205) [system] n=(\)
   Fail: (205) [system] n=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1931472)
   Call: (206) [system] peek_char((0x563acd73bee0), _1932406)
   Exit: (206) [system] peek_char((0x563acd73bee0), d)
^  Call: (206) [user] is_delimiter(d)
   Call: (207) [system] char_type(d, space)
   Fail: (207) [system] char_type(d, space)
   Call: (207) [system] arg(_1937126, v('(', ')', end_of_file), d)
   Fail: (207) [system] arg(_1938058, v('(', ')', end_of_file), d)
^  Fail: (206) [user] is_delimiter(d)
   Call: (206) [system] ')'==d
   Fail: (206) [system] ')'==d
   Call: (206) [system] get_char((0x563acd73bee0), d)
   Exit: (206) [system] get_char((0x563acd73bee0), d)
   Call: (206) [system] d=(\)
   Fail: (206) [system] d=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1945408)
   Call: (207) [system] peek_char((0x563acd73bee0), _1946342)
   Exit: (207) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (207) [user] is_delimiter('L')
   Call: (208) [system] char_type('L', space)
   Fail: (208) [system] char_type('L', space)
   Call: (208) [system] arg(_1951062, v('(', ')', end_of_file), 'L')
   Fail: (208) [system] arg(_1951994, v('(', ')', end_of_file), 'L')
^  Fail: (207) [user] is_delimiter('L')
   Call: (207) [system] ')'=='L'
   Fail: (207) [system] ')'=='L'
   Call: (207) [system] get_char((0x563acd73bee0), 'L')
   Exit: (207) [system] get_char((0x563acd73bee0), 'L')
   Call: (207) [system] 'L'=(\)
   Fail: (207) [system] 'L'=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1959344)
   Call: (208) [system] peek_char((0x563acd73bee0), _1960278)
   Exit: (208) [system] peek_char((0x563acd73bee0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_1964998, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_1965930, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x563acd73bee0), i)
   Exit: (208) [system] get_char((0x563acd73bee0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1973280)
   Call: (209) [system] peek_char((0x563acd73bee0), _1974214)
   Exit: (209) [system] peek_char((0x563acd73bee0), n)
^  Call: (209) [user] is_delimiter(n)
   Call: (210) [system] char_type(n, space)
   Fail: (210) [system] char_type(n, space)
   Call: (210) [system] arg(_1978934, v('(', ')', end_of_file), n)
   Fail: (210) [system] arg(_1979866, v('(', ')', end_of_file), n)
^  Fail: (209) [user] is_delimiter(n)
   Call: (209) [system] ')'==n
   Fail: (209) [system] ')'==n
   Call: (209) [system] get_char((0x563acd73bee0), n)
   Exit: (209) [system] get_char((0x563acd73bee0), n)
   Call: (209) [system] n=(\)
   Fail: (209) [system] n=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1987216)
   Call: (210) [system] peek_char((0x563acd73bee0), _1988150)
   Exit: (210) [system] peek_char((0x563acd73bee0), k)
^  Call: (210) [user] is_delimiter(k)
   Call: (211) [system] char_type(k, space)
   Fail: (211) [system] char_type(k, space)
   Call: (211) [system] arg(_1992870, v('(', ')', end_of_file), k)
   Fail: (211) [system] arg(_1993802, v('(', ')', end_of_file), k)
^  Fail: (210) [user] is_delimiter(k)
   Call: (210) [system] ')'==k
   Fail: (210) [system] ')'==k
   Call: (210) [system] get_char((0x563acd73bee0), k)
   Exit: (210) [system] get_char((0x563acd73bee0), k)
   Call: (210) [system] k=(\)
   Fail: (210) [system] k=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _2001152)
   Call: (211) [system] peek_char((0x563acd73bee0), _2002086)
   Exit: (211) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _2001152=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (210) [system] _1987216=[k]
   Exit: (210) [system] [k]=[k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (209) [system] _1973280=[n, k]
   Exit: (209) [system] [n, k]=[n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (208) [system] _1959344=[i, n, k]
   Exit: (208) [system] [i, n, k]=[i, n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (207) [system] _1945408=['L', i, n, k]
   Exit: (207) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (206) [system] _1931472=[d, 'L', i, n, k]
   Exit: (206) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, 'L', i, n, k])
   Call: (205) [system] _1917536=[n, d, 'L', i, n, k]
   Exit: (205) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, d, 'L', i, n, k])
^  Call: (204) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1882026)
^  Call: (205) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _2028134)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_2029086, _2029088), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _2028134), _2029068, fail)), '$restore_trace'(_2029086, _2029088))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_2029086, _2029088))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _2028134), _2029068, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(_2028134)
   Fail: (206) [system] atomic(_2028134)
   Call: (206) [system] atom_chars(_2028134, ['A', n, d, 'L', i, n, k])
   Exit: (206) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (205) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (205) [system] integer('AndLink')
   Fail: (205) [system] integer('AndLink')
   Call: (205) [system] _1882026='AndLink'
   Exit: (205) [system] 'AndLink'='AndLink'
^  Exit: (204) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (203) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'AndLink')
^  Exit: (202) [user] cont_sexpr(')', (0x563acd73bee0), 'AndLink')
^  Call: (202) [user] read_list(')', (0x563acd73bee0), _2043084)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _2044942)
   Exit: (204) [system] peek_char((0x563acd73bee0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x563acd73bee0), _2054536)
   Exit: (204) [system] get_char((0x563acd73bee0), ' ')
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _2057240)
   Exit: (205) [system] peek_char((0x563acd73bee0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _2074174)
   Exit: (203) [system] peek_char((0x563acd73bee0), '(')
   Call: (203) [system] '('=')'
   Fail: (203) [system] '('=')'
   Call: (203) [system] '('=end_of_file
   Fail: (203) [system] '('=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x563acd73bee0), _2079744)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _2081602)
   Exit: (205) [system] peek_char((0x563acd73bee0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] get_char((0x563acd73bee0), _4778)
   Exit: (204) [system] get_char((0x563acd73bee0), '(')
   Call: (204) [system] '('='('
   Exit: (204) [system] '('='('
^  Call: (204) [user] read_list(')', (0x563acd73bee0), _4028)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _10348)
   Exit: (206) [system] peek_char((0x563acd73bee0), 'I')
   Call: (206) [system] 'I'=(;)
   Fail: (206) [system] 'I'=(;)
   Call: (206) [system] 'I'=(/)
   Fail: (206) [system] 'I'=(/)
^  Call: (206) [user] is_like_space('I')
   Call: (207) [system] char_type('I', 'white')
   Fail: (207) [system] char_type('I', 'white')
   Call: (207) [system] char_type('I', end_of_line)
   Fail: (207) [system] char_type('I', end_of_line)
   Call: (207) [system] char_type('I', space)
   Fail: (207) [system] char_type('I', space)
   Call: (207) [system] char_type('I', cntrl)
   Fail: (207) [system] char_type('I', cntrl)
^  Fail: (206) [user] is_like_space('I')
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _26358)
   Exit: (205) [system] peek_char((0x563acd73bee0), 'I')
   Call: (205) [system] 'I'=')'
   Fail: (205) [system] 'I'=')'
   Call: (205) [system] 'I'=end_of_file
   Fail: (205) [system] 'I'=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x563acd73bee0), _31928)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _33786)
   Exit: (207) [system] peek_char((0x563acd73bee0), 'I')
   Call: (207) [system] 'I'=(;)
   Fail: (207) [system] 'I'=(;)
   Call: (207) [system] 'I'=(/)
   Fail: (207) [system] 'I'=(/)
^  Call: (207) [user] is_like_space('I')
   Call: (208) [system] char_type('I', 'white')
   Fail: (208) [system] char_type('I', 'white')
   Call: (208) [system] char_type('I', end_of_line)
   Fail: (208) [system] char_type('I', end_of_line)
   Call: (208) [system] char_type('I', space)
   Fail: (208) [system] char_type('I', space)
   Call: (208) [system] char_type('I', cntrl)
   Fail: (208) [system] char_type('I', cntrl)
^  Fail: (207) [user] is_like_space('I')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] get_char((0x563acd73bee0), _49796)
   Exit: (206) [system] get_char((0x563acd73bee0), 'I')
   Call: (206) [system] 'I'='('
   Fail: (206) [system] 'I'='('
   Call: (206) [system] 'I'='['
   Fail: (206) [system] 'I'='['
   Call: (206) [system] 'I'='{'
   Fail: (206) [system] 'I'='{'
   Call: (206) [system] 'I'='"'
   Fail: (206) [system] 'I'='"'
   Call: (206) [system] 'I'=!
   Fail: (206) [system] 'I'=!
   Call: (206) [system] 'I'='\''
   Fail: (206) [system] 'I'='\''
   Call: (206) [system] 'I'='`'
   Fail: (206) [system] 'I'='`'
   Call: (206) [system] 'I'=end_of_file
   Fail: (206) [system] 'I'=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x563acd73bee0), 'I', _31928)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _67438)
   Call: (208) [system] peek_char((0x563acd73bee0), _68372)
   Exit: (208) [system] peek_char((0x563acd73bee0), m)
^  Call: (208) [user] is_delimiter(m)
   Call: (209) [system] char_type(m, space)
   Fail: (209) [system] char_type(m, space)
   Call: (209) [system] arg(_73092, v('(', ')', end_of_file), m)
   Fail: (209) [system] arg(_74024, v('(', ')', end_of_file), m)
^  Fail: (208) [user] is_delimiter(m)
   Call: (208) [system] ')'==m
   Fail: (208) [system] ')'==m
   Call: (208) [system] get_char((0x563acd73bee0), m)
   Exit: (208) [system] get_char((0x563acd73bee0), m)
   Call: (208) [system] m=(\)
   Fail: (208) [system] m=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _81374)
   Call: (209) [system] peek_char((0x563acd73bee0), _82308)
   Exit: (209) [system] peek_char((0x563acd73bee0), p)
^  Call: (209) [user] is_delimiter(p)
   Call: (210) [system] char_type(p, space)
   Fail: (210) [system] char_type(p, space)
   Call: (210) [system] arg(_87028, v('(', ')', end_of_file), p)
   Fail: (210) [system] arg(_87960, v('(', ')', end_of_file), p)
^  Fail: (209) [user] is_delimiter(p)
   Call: (209) [system] ')'==p
   Fail: (209) [system] ')'==p
   Call: (209) [system] get_char((0x563acd73bee0), p)
   Exit: (209) [system] get_char((0x563acd73bee0), p)
   Call: (209) [system] p=(\)
   Fail: (209) [system] p=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _95310)
   Call: (210) [system] peek_char((0x563acd73bee0), _96244)
   Exit: (210) [system] peek_char((0x563acd73bee0), l)
^  Call: (210) [user] is_delimiter(l)
   Call: (211) [system] char_type(l, space)
   Fail: (211) [system] char_type(l, space)
   Call: (211) [system] arg(_100964, v('(', ')', end_of_file), l)
   Fail: (211) [system] arg(_101896, v('(', ')', end_of_file), l)
^  Fail: (210) [user] is_delimiter(l)
   Call: (210) [system] ')'==l
   Fail: (210) [system] ')'==l
   Call: (210) [system] get_char((0x563acd73bee0), l)
   Exit: (210) [system] get_char((0x563acd73bee0), l)
   Call: (210) [system] l=(\)
   Fail: (210) [system] l=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _109246)
   Call: (211) [system] peek_char((0x563acd73bee0), _110180)
   Exit: (211) [system] peek_char((0x563acd73bee0), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Fail: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_114900, v('(', ')', end_of_file), i)
   Fail: (212) [system] arg(_115832, v('(', ')', end_of_file), i)
^  Fail: (211) [user] is_delimiter(i)
   Call: (211) [system] ')'==i
   Fail: (211) [system] ')'==i
   Call: (211) [system] get_char((0x563acd73bee0), i)
   Exit: (211) [system] get_char((0x563acd73bee0), i)
   Call: (211) [system] i=(\)
   Fail: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _123182)
   Call: (212) [system] peek_char((0x563acd73bee0), _124116)
   Exit: (212) [system] peek_char((0x563acd73bee0), c)
^  Call: (212) [user] is_delimiter(c)
   Call: (213) [system] char_type(c, space)
   Fail: (213) [system] char_type(c, space)
   Call: (213) [system] arg(_128836, v('(', ')', end_of_file), c)
   Fail: (213) [system] arg(_129768, v('(', ')', end_of_file), c)
^  Fail: (212) [user] is_delimiter(c)
   Call: (212) [system] ')'==c
   Fail: (212) [system] ')'==c
   Call: (212) [system] get_char((0x563acd73bee0), c)
   Exit: (212) [system] get_char((0x563acd73bee0), c)
   Call: (212) [system] c=(\)
   Fail: (212) [system] c=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _137118)
   Call: (213) [system] peek_char((0x563acd73bee0), _138052)
   Exit: (213) [system] peek_char((0x563acd73bee0), a)
^  Call: (213) [user] is_delimiter(a)
   Call: (214) [system] char_type(a, space)
   Fail: (214) [system] char_type(a, space)
   Call: (214) [system] arg(_142772, v('(', ')', end_of_file), a)
   Fail: (214) [system] arg(_143704, v('(', ')', end_of_file), a)
^  Fail: (213) [user] is_delimiter(a)
   Call: (213) [system] ')'==a
   Fail: (213) [system] ')'==a
   Call: (213) [system] get_char((0x563acd73bee0), a)
   Exit: (213) [system] get_char((0x563acd73bee0), a)
   Call: (213) [system] a=(\)
   Fail: (213) [system] a=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _151054)
   Call: (214) [system] peek_char((0x563acd73bee0), _151988)
   Exit: (214) [system] peek_char((0x563acd73bee0), t)
^  Call: (214) [user] is_delimiter(t)
   Call: (215) [system] char_type(t, space)
   Fail: (215) [system] char_type(t, space)
   Call: (215) [system] arg(_156708, v('(', ')', end_of_file), t)
   Fail: (215) [system] arg(_157640, v('(', ')', end_of_file), t)
^  Fail: (214) [user] is_delimiter(t)
   Call: (214) [system] ')'==t
   Fail: (214) [system] ')'==t
   Call: (214) [system] get_char((0x563acd73bee0), t)
   Exit: (214) [system] get_char((0x563acd73bee0), t)
   Call: (214) [system] t=(\)
   Fail: (214) [system] t=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _164990)
   Call: (215) [system] peek_char((0x563acd73bee0), _165924)
   Exit: (215) [system] peek_char((0x563acd73bee0), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Fail: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_170644, v('(', ')', end_of_file), i)
   Fail: (216) [system] arg(_171576, v('(', ')', end_of_file), i)
^  Fail: (215) [user] is_delimiter(i)
   Call: (215) [system] ')'==i
   Fail: (215) [system] ')'==i
   Call: (215) [system] get_char((0x563acd73bee0), i)
   Exit: (215) [system] get_char((0x563acd73bee0), i)
   Call: (215) [system] i=(\)
   Fail: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _178926)
   Call: (216) [system] peek_char((0x563acd73bee0), _179860)
   Exit: (216) [system] peek_char((0x563acd73bee0), o)
^  Call: (216) [user] is_delimiter(o)
   Call: (217) [system] char_type(o, space)
   Fail: (217) [system] char_type(o, space)
   Call: (217) [system] arg(_184580, v('(', ')', end_of_file), o)
   Fail: (217) [system] arg(_185512, v('(', ')', end_of_file), o)
^  Fail: (216) [user] is_delimiter(o)
   Call: (216) [system] ')'==o
   Fail: (216) [system] ')'==o
   Call: (216) [system] get_char((0x563acd73bee0), o)
   Exit: (216) [system] get_char((0x563acd73bee0), o)
   Call: (216) [system] o=(\)
   Fail: (216) [system] o=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _192862)
   Call: (217) [system] peek_char((0x563acd73bee0), _193796)
   Exit: (217) [system] peek_char((0x563acd73bee0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_198516, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_199448, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x563acd73bee0), n)
   Exit: (217) [system] get_char((0x563acd73bee0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _206798)
   Call: (218) [system] peek_char((0x563acd73bee0), _207732)
   Exit: (218) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _206798=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (217) [system] _192862=[n]
   Exit: (217) [system] [n]=[n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (216) [system] _178926=[o, n]
   Exit: (216) [system] [o, n]=[o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (215) [system] _164990=[i, o, n]
   Exit: (215) [system] [i, o, n]=[i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (214) [system] _151054=[t, i, o, n]
   Exit: (214) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (213) [system] _137118=[a, t, i, o, n]
   Exit: (213) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (212) [system] _123182=[c, a, t, i, o, n]
   Exit: (212) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (211) [system] _109246=[i, c, a, t, i, o, n]
   Exit: (211) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (210) [system] _95310=[l, i, c, a, t, i, o, n]
   Exit: (210) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (209) [system] _81374=[p, l, i, c, a, t, i, o, n]
   Exit: (209) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (208) [system] _67438=[m, p, l, i, c, a, t, i, o, n]
   Exit: (208) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (207) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _31928)
^  Call: (208) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _244956)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_245908, _245910), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _244956), _245890, fail)), '$restore_trace'(_245908, _245910))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_245908, _245910))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _244956), _245890, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_244956)
   Fail: (209) [system] atomic(_244956)
   Call: (209) [system] atom_chars(_244956, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (209) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (208) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (208) [system] integer('Implication')
   Fail: (208) [system] integer('Implication')
   Call: (208) [system] _31928='Implication'
   Exit: (208) [system] 'Implication'='Implication'
^  Exit: (207) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (206) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (205) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (205) [user] read_list(')', (0x563acd73bee0), _259906)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _261764)
   Exit: (207) [system] peek_char((0x563acd73bee0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
   Call: (207) [system] ' '=(/)
   Fail: (207) [system] ' '=(/)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x563acd73bee0), _271358)
   Exit: (207) [system] get_char((0x563acd73bee0), ' ')
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _274062)
   Exit: (208) [system] peek_char((0x563acd73bee0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _290996)
   Exit: (206) [system] peek_char((0x563acd73bee0), '(')
   Call: (206) [system] '('=')'
   Fail: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
   Fail: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x563acd73bee0), _296566)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _298424)
   Exit: (208) [system] peek_char((0x563acd73bee0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] get_char((0x563acd73bee0), _314434)
   Exit: (207) [system] get_char((0x563acd73bee0), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x563acd73bee0), _296566)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _320004)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'A')
   Call: (209) [system] 'A'=(;)
   Fail: (209) [system] 'A'=(;)
   Call: (209) [system] 'A'=(/)
   Fail: (209) [system] 'A'=(/)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Fail: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Fail: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Fail: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
   Fail: (210) [system] char_type('A', cntrl)
^  Fail: (209) [user] is_like_space('A')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _336014)
   Exit: (208) [system] peek_char((0x563acd73bee0), 'A')
   Call: (208) [system] 'A'=')'
   Fail: (208) [system] 'A'=')'
   Call: (208) [system] 'A'=end_of_file
   Fail: (208) [system] 'A'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x563acd73bee0), _341584)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _343442)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'A')
   Call: (210) [system] 'A'=(;)
   Fail: (210) [system] 'A'=(;)
   Call: (210) [system] 'A'=(/)
   Fail: (210) [system] 'A'=(/)
^  Call: (210) [user] is_like_space('A')
   Call: (211) [system] char_type('A', 'white')
   Fail: (211) [system] char_type('A', 'white')
   Call: (211) [system] char_type('A', end_of_line)
   Fail: (211) [system] char_type('A', end_of_line)
   Call: (211) [system] char_type('A', space)
   Fail: (211) [system] char_type('A', space)
   Call: (211) [system] char_type('A', cntrl)
   Fail: (211) [system] char_type('A', cntrl)
^  Fail: (210) [user] is_like_space('A')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] get_char((0x563acd73bee0), _359452)
   Exit: (209) [system] get_char((0x563acd73bee0), 'A')
   Call: (209) [system] 'A'='('
   Fail: (209) [system] 'A'='('
   Call: (209) [system] 'A'='['
   Fail: (209) [system] 'A'='['
   Call: (209) [system] 'A'='{'
   Fail: (209) [system] 'A'='{'
   Call: (209) [system] 'A'='"'
   Fail: (209) [system] 'A'='"'
   Call: (209) [system] 'A'=!
   Fail: (209) [system] 'A'=!
   Call: (209) [system] 'A'='\''
   Fail: (209) [system] 'A'='\''
   Call: (209) [system] 'A'='`'
   Fail: (209) [system] 'A'='`'
   Call: (209) [system] 'A'=end_of_file
   Fail: (209) [system] 'A'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x563acd73bee0), 'A', _341584)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _377094)
   Call: (211) [system] peek_char((0x563acd73bee0), _378028)
   Exit: (211) [system] peek_char((0x563acd73bee0), n)
^  Call: (211) [user] is_delimiter(n)
   Call: (212) [system] char_type(n, space)
   Fail: (212) [system] char_type(n, space)
   Call: (212) [system] arg(_382748, v('(', ')', end_of_file), n)
   Fail: (212) [system] arg(_383680, v('(', ')', end_of_file), n)
^  Fail: (211) [user] is_delimiter(n)
   Call: (211) [system] ')'==n
   Fail: (211) [system] ')'==n
   Call: (211) [system] get_char((0x563acd73bee0), n)
   Exit: (211) [system] get_char((0x563acd73bee0), n)
   Call: (211) [system] n=(\)
   Fail: (211) [system] n=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _391030)
   Call: (212) [system] peek_char((0x563acd73bee0), _391964)
   Exit: (212) [system] peek_char((0x563acd73bee0), d)
^  Call: (212) [user] is_delimiter(d)
   Call: (213) [system] char_type(d, space)
   Fail: (213) [system] char_type(d, space)
   Call: (213) [system] arg(_396684, v('(', ')', end_of_file), d)
   Fail: (213) [system] arg(_397616, v('(', ')', end_of_file), d)
^  Fail: (212) [user] is_delimiter(d)
   Call: (212) [system] ')'==d
   Fail: (212) [system] ')'==d
   Call: (212) [system] get_char((0x563acd73bee0), d)
   Exit: (212) [system] get_char((0x563acd73bee0), d)
   Call: (212) [system] d=(\)
   Fail: (212) [system] d=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _404966)
   Call: (213) [system] peek_char((0x563acd73bee0), _405900)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (213) [user] is_delimiter('L')
   Call: (214) [system] char_type('L', space)
   Fail: (214) [system] char_type('L', space)
   Call: (214) [system] arg(_410620, v('(', ')', end_of_file), 'L')
   Fail: (214) [system] arg(_411552, v('(', ')', end_of_file), 'L')
^  Fail: (213) [user] is_delimiter('L')
   Call: (213) [system] ')'=='L'
   Fail: (213) [system] ')'=='L'
   Call: (213) [system] get_char((0x563acd73bee0), 'L')
   Exit: (213) [system] get_char((0x563acd73bee0), 'L')
   Call: (213) [system] 'L'=(\)
   Fail: (213) [system] 'L'=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _418902)
   Call: (214) [system] peek_char((0x563acd73bee0), _419836)
   Exit: (214) [system] peek_char((0x563acd73bee0), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Fail: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_424556, v('(', ')', end_of_file), i)
   Fail: (215) [system] arg(_425488, v('(', ')', end_of_file), i)
^  Fail: (214) [user] is_delimiter(i)
   Call: (214) [system] ')'==i
   Fail: (214) [system] ')'==i
   Call: (214) [system] get_char((0x563acd73bee0), i)
   Exit: (214) [system] get_char((0x563acd73bee0), i)
   Call: (214) [system] i=(\)
   Fail: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _432838)
   Call: (215) [system] peek_char((0x563acd73bee0), _433772)
   Exit: (215) [system] peek_char((0x563acd73bee0), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_438492, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_439424, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x563acd73bee0), n)
   Exit: (215) [system] get_char((0x563acd73bee0), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _446774)
   Call: (216) [system] peek_char((0x563acd73bee0), _447708)
   Exit: (216) [system] peek_char((0x563acd73bee0), k)
^  Call: (216) [user] is_delimiter(k)
   Call: (217) [system] char_type(k, space)
   Fail: (217) [system] char_type(k, space)
   Call: (217) [system] arg(_452428, v('(', ')', end_of_file), k)
   Fail: (217) [system] arg(_453360, v('(', ')', end_of_file), k)
^  Fail: (216) [user] is_delimiter(k)
   Call: (216) [system] ')'==k
   Fail: (216) [system] ')'==k
   Call: (216) [system] get_char((0x563acd73bee0), k)
   Exit: (216) [system] get_char((0x563acd73bee0), k)
   Call: (216) [system] k=(\)
   Fail: (216) [system] k=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _460710)
   Call: (217) [system] peek_char((0x563acd73bee0), _461644)
   Exit: (217) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _460710=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (216) [system] _446774=[k]
   Exit: (216) [system] [k]=[k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (215) [system] _432838=[n, k]
   Exit: (215) [system] [n, k]=[n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (214) [system] _418902=[i, n, k]
   Exit: (214) [system] [i, n, k]=[i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (213) [system] _404966=['L', i, n, k]
   Exit: (213) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (212) [system] _391030=[d, 'L', i, n, k]
   Exit: (212) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, 'L', i, n, k])
   Call: (211) [system] _377094=[n, d, 'L', i, n, k]
   Exit: (211) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, d, 'L', i, n, k])
^  Call: (210) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _341584)
^  Call: (211) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _487692)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_488644, _488646), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _487692), _488626, fail)), '$restore_trace'(_488644, _488646))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_488644, _488646))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _487692), _488626, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_487692)
   Fail: (212) [system] atomic(_487692)
   Call: (212) [system] atom_chars(_487692, ['A', n, d, 'L', i, n, k])
   Exit: (212) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (211) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (211) [system] integer('AndLink')
   Fail: (211) [system] integer('AndLink')
   Call: (211) [system] _341584='AndLink'
   Exit: (211) [system] 'AndLink'='AndLink'
^  Exit: (210) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (209) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'AndLink')
^  Exit: (208) [user] cont_sexpr(')', (0x563acd73bee0), 'AndLink')
^  Call: (208) [user] read_list(')', (0x563acd73bee0), _502642)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _504500)
   Exit: (210) [system] peek_char((0x563acd73bee0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x563acd73bee0), _514094)
   Exit: (210) [system] get_char((0x563acd73bee0), ' ')
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _516798)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'A')
   Call: (211) [system] 'A'=(;)
   Fail: (211) [system] 'A'=(;)
   Call: (211) [system] 'A'=(/)
   Fail: (211) [system] 'A'=(/)
^  Call: (211) [user] is_like_space('A')
   Call: (212) [system] char_type('A', 'white')
   Fail: (212) [system] char_type('A', 'white')
   Call: (212) [system] char_type('A', end_of_line)
   Fail: (212) [system] char_type('A', end_of_line)
   Call: (212) [system] char_type('A', space)
   Fail: (212) [system] char_type('A', space)
   Call: (212) [system] char_type('A', cntrl)
   Fail: (212) [system] char_type('A', cntrl)
^  Fail: (211) [user] is_like_space('A')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _533732)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'A')
   Call: (209) [system] 'A'=')'
   Fail: (209) [system] 'A'=')'
   Call: (209) [system] 'A'=end_of_file
   Fail: (209) [system] 'A'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x563acd73bee0), _539302)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _541160)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'A')
   Call: (211) [system] 'A'=(;)
   Fail: (211) [system] 'A'=(;)
   Call: (211) [system] 'A'=(/)
   Fail: (211) [system] 'A'=(/)
^  Call: (211) [user] is_like_space('A')
   Call: (212) [system] char_type('A', 'white')
   Fail: (212) [system] char_type('A', 'white')
   Call: (212) [system] char_type('A', end_of_line)
   Fail: (212) [system] char_type('A', end_of_line)
   Call: (212) [system] char_type('A', space)
   Fail: (212) [system] char_type('A', space)
   Call: (212) [system] char_type('A', cntrl)
   Fail: (212) [system] char_type('A', cntrl)
^  Fail: (211) [user] is_like_space('A')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] get_char((0x563acd73bee0), _557170)
   Exit: (210) [system] get_char((0x563acd73bee0), 'A')
   Call: (210) [system] 'A'='('
   Fail: (210) [system] 'A'='('
   Call: (210) [system] 'A'='['
   Fail: (210) [system] 'A'='['
   Call: (210) [system] 'A'='{'
   Fail: (210) [system] 'A'='{'
   Call: (210) [system] 'A'='"'
   Fail: (210) [system] 'A'='"'
   Call: (210) [system] 'A'=!
   Fail: (210) [system] 'A'=!
   Call: (210) [system] 'A'='\''
   Fail: (210) [system] 'A'='\''
   Call: (210) [system] 'A'='`'
   Fail: (210) [system] 'A'='`'
   Call: (210) [system] 'A'=end_of_file
   Fail: (210) [system] 'A'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x563acd73bee0), 'A', _539302)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _574812)
   Call: (212) [system] peek_char((0x563acd73bee0), _575746)
   Exit: (212) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _574812=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (211) [user] classify_and_convert_charseq(['A'], _539302)
^  Call: (212) [user] classify_and_convert_charseq_(['A'], _585030)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_585982, _585984), once(user:catch(read_from_chars(['A'], _585030), _585964, fail)), '$restore_trace'(_585982, _585984))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_585982, _585984))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _585030), _585964, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_585030)
   Fail: (213) [system] atomic(_585030)
   Call: (213) [system] atom_chars(_585030, ['A'])
   Exit: (213) [system] atom_chars('A', ['A'])
^  Exit: (212) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (212) [system] integer('A')
   Fail: (212) [system] integer('A')
   Call: (212) [system] _539302='A'
   Exit: (212) [system] 'A'='A'
^  Exit: (211) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (210) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (209) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (209) [user] read_list(')', (0x563acd73bee0), _599980)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _601838)
   Exit: (211) [system] peek_char((0x563acd73bee0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x563acd73bee0), _611432)
   Exit: (211) [system] get_char((0x563acd73bee0), ' ')
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _614136)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'B')
   Call: (212) [system] 'B'=(;)
   Fail: (212) [system] 'B'=(;)
   Call: (212) [system] 'B'=(/)
   Fail: (212) [system] 'B'=(/)
^  Call: (212) [user] is_like_space('B')
   Call: (213) [system] char_type('B', 'white')
   Fail: (213) [system] char_type('B', 'white')
   Call: (213) [system] char_type('B', end_of_line)
   Fail: (213) [system] char_type('B', end_of_line)
   Call: (213) [system] char_type('B', space)
   Fail: (213) [system] char_type('B', space)
   Call: (213) [system] char_type('B', cntrl)
   Fail: (213) [system] char_type('B', cntrl)
^  Fail: (212) [user] is_like_space('B')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _631070)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'B')
   Call: (210) [system] 'B'=')'
   Fail: (210) [system] 'B'=')'
   Call: (210) [system] 'B'=end_of_file
   Fail: (210) [system] 'B'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x563acd73bee0), _636640)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _638498)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'B')
   Call: (212) [system] 'B'=(;)
   Fail: (212) [system] 'B'=(;)
   Call: (212) [system] 'B'=(/)
   Fail: (212) [system] 'B'=(/)
^  Call: (212) [user] is_like_space('B')
   Call: (213) [system] char_type('B', 'white')
   Fail: (213) [system] char_type('B', 'white')
   Call: (213) [system] char_type('B', end_of_line)
   Fail: (213) [system] char_type('B', end_of_line)
   Call: (213) [system] char_type('B', space)
   Fail: (213) [system] char_type('B', space)
   Call: (213) [system] char_type('B', cntrl)
   Fail: (213) [system] char_type('B', cntrl)
^  Fail: (212) [user] is_like_space('B')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] get_char((0x563acd73bee0), _654508)
   Exit: (211) [system] get_char((0x563acd73bee0), 'B')
   Call: (211) [system] 'B'='('
   Fail: (211) [system] 'B'='('
   Call: (211) [system] 'B'='['
   Fail: (211) [system] 'B'='['
   Call: (211) [system] 'B'='{'
   Fail: (211) [system] 'B'='{'
   Call: (211) [system] 'B'='"'
   Fail: (211) [system] 'B'='"'
   Call: (211) [system] 'B'=!
   Fail: (211) [system] 'B'=!
   Call: (211) [system] 'B'='\''
   Fail: (211) [system] 'B'='\''
   Call: (211) [system] 'B'='`'
   Fail: (211) [system] 'B'='`'
   Call: (211) [system] 'B'=end_of_file
   Fail: (211) [system] 'B'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x563acd73bee0), 'B', _636640)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _672150)
   Call: (213) [system] peek_char((0x563acd73bee0), _673084)
   Exit: (213) [system] peek_char((0x563acd73bee0), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_677804, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _672150=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (212) [user] classify_and_convert_charseq(['B'], _636640)
^  Call: (213) [user] classify_and_convert_charseq_(['B'], _684240)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_685192, _685194), once(user:catch(read_from_chars(['B'], _684240), _685174, fail)), '$restore_trace'(_685192, _685194))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_685192, _685194))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _684240), _685174, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_684240)
   Fail: (214) [system] atomic(_684240)
   Call: (214) [system] atom_chars(_684240, ['B'])
   Exit: (214) [system] atom_chars('B', ['B'])
^  Exit: (213) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (213) [system] integer('B')
   Fail: (213) [system] integer('B')
   Call: (213) [system] _636640='B'
   Exit: (213) [system] 'B'='B'
^  Exit: (212) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (211) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (210) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (210) [user] read_list(')', (0x563acd73bee0), _699190)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _701048)
   Exit: (212) [system] peek_char((0x563acd73bee0), ')')
   Call: (212) [system] ')'=(;)
   Fail: (212) [system] ')'=(;)
   Call: (212) [system] ')'=(/)
   Fail: (212) [system] ')'=(/)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Fail: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Fail: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
   Fail: (213) [system] char_type(')', cntrl)
^  Fail: (212) [user] is_like_space(')')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _717058)
   Exit: (211) [system] peek_char((0x563acd73bee0), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x563acd73bee0), _720848)
   Exit: (211) [system] get_char((0x563acd73bee0), ')')
   Call: (211) [system] _699190=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x563acd73bee0), [])
   Call: (210) [system] _599980=['B']
   Exit: (210) [system] ['B']=['B']
^  Exit: (209) [user] read_list(')', (0x563acd73bee0), ['B'])
   Call: (209) [system] _502642=['A', 'B']
   Exit: (209) [system] ['A', 'B']=['A', 'B']
^  Exit: (208) [user] read_list(')', (0x563acd73bee0), ['A', 'B'])
   Call: (208) [system] _296566=['AndLink', 'A', 'B']
   Exit: (208) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (207) [user] read_list(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Exit: (206) [user] cont_sexpr(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Call: (206) [user] read_list(')', (0x563acd73bee0), _734730)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _736588)
   Exit: (208) [system] peek_char((0x563acd73bee0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x563acd73bee0), _746182)
   Exit: (208) [system] get_char((0x563acd73bee0), ' ')
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _748886)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'C')
   Call: (209) [system] 'C'=(;)
   Fail: (209) [system] 'C'=(;)
   Call: (209) [system] 'C'=(/)
   Fail: (209) [system] 'C'=(/)
^  Call: (209) [user] is_like_space('C')
   Call: (210) [system] char_type('C', 'white')
   Fail: (210) [system] char_type('C', 'white')
   Call: (210) [system] char_type('C', end_of_line)
   Fail: (210) [system] char_type('C', end_of_line)
   Call: (210) [system] char_type('C', space)
   Fail: (210) [system] char_type('C', space)
   Call: (210) [system] char_type('C', cntrl)
   Fail: (210) [system] char_type('C', cntrl)
^  Fail: (209) [user] is_like_space('C')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _765820)
   Exit: (207) [system] peek_char((0x563acd73bee0), 'C')
   Call: (207) [system] 'C'=')'
   Fail: (207) [system] 'C'=')'
   Call: (207) [system] 'C'=end_of_file
   Fail: (207) [system] 'C'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x563acd73bee0), _771390)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _773248)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'C')
   Call: (209) [system] 'C'=(;)
   Fail: (209) [system] 'C'=(;)
   Call: (209) [system] 'C'=(/)
   Fail: (209) [system] 'C'=(/)
^  Call: (209) [user] is_like_space('C')
   Call: (210) [system] char_type('C', 'white')
   Fail: (210) [system] char_type('C', 'white')
   Call: (210) [system] char_type('C', end_of_line)
   Fail: (210) [system] char_type('C', end_of_line)
   Call: (210) [system] char_type('C', space)
   Fail: (210) [system] char_type('C', space)
   Call: (210) [system] char_type('C', cntrl)
   Fail: (210) [system] char_type('C', cntrl)
^  Fail: (209) [user] is_like_space('C')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] get_char((0x563acd73bee0), _789258)
   Exit: (208) [system] get_char((0x563acd73bee0), 'C')
   Call: (208) [system] 'C'='('
   Fail: (208) [system] 'C'='('
   Call: (208) [system] 'C'='['
   Fail: (208) [system] 'C'='['
   Call: (208) [system] 'C'='{'
   Fail: (208) [system] 'C'='{'
   Call: (208) [system] 'C'='"'
   Fail: (208) [system] 'C'='"'
   Call: (208) [system] 'C'=!
   Fail: (208) [system] 'C'=!
   Call: (208) [system] 'C'='\''
   Fail: (208) [system] 'C'='\''
   Call: (208) [system] 'C'='`'
   Fail: (208) [system] 'C'='`'
   Call: (208) [system] 'C'=end_of_file
   Fail: (208) [system] 'C'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x563acd73bee0), 'C', _771390)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _806900)
   Call: (210) [system] peek_char((0x563acd73bee0), _807834)
   Exit: (210) [system] peek_char((0x563acd73bee0), ')')
^  Call: (210) [user] is_delimiter(')')
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] arg(_812554, v('(', ')', end_of_file), ')')
   Exit: (211) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (210) [user] is_delimiter(')')
   Call: (210) [system] _806900=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (209) [user] classify_and_convert_charseq(['C'], _771390)
^  Call: (210) [user] classify_and_convert_charseq_(['C'], _818990)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_819942, _819944), once(user:catch(read_from_chars(['C'], _818990), _819924, fail)), '$restore_trace'(_819942, _819944))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_819942, _819944))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _818990), _819924, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_818990)
   Fail: (211) [system] atomic(_818990)
   Call: (211) [system] atom_chars(_818990, ['C'])
   Exit: (211) [system] atom_chars('C', ['C'])
^  Exit: (210) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (210) [system] integer('C')
   Fail: (210) [system] integer('C')
   Call: (210) [system] _771390='C'
   Exit: (210) [system] 'C'='C'
^  Exit: (209) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (208) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (207) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (207) [user] read_list(')', (0x563acd73bee0), _833940)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _835798)
   Exit: (209) [system] peek_char((0x563acd73bee0), ')')
   Call: (209) [system] ')'=(;)
   Fail: (209) [system] ')'=(;)
   Call: (209) [system] ')'=(/)
   Fail: (209) [system] ')'=(/)
^  Call: (209) [user] is_like_space(')')
   Call: (210) [system] char_type(')', 'white')
   Fail: (210) [system] char_type(')', 'white')
   Call: (210) [system] char_type(')', end_of_line)
   Fail: (210) [system] char_type(')', end_of_line)
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] char_type(')', cntrl)
   Fail: (210) [system] char_type(')', cntrl)
^  Fail: (209) [user] is_like_space(')')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _851808)
   Exit: (208) [system] peek_char((0x563acd73bee0), ')')
   Call: (208) [system] ')'=')'
   Exit: (208) [system] ')'=')'
   Call: (208) [system] get_char((0x563acd73bee0), _855598)
   Exit: (208) [system] get_char((0x563acd73bee0), ')')
   Call: (208) [system] _833940=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_list(')', (0x563acd73bee0), [])
   Call: (207) [system] _734730=['C']
   Exit: (207) [system] ['C']=['C']
^  Exit: (206) [user] read_list(')', (0x563acd73bee0), ['C'])
   Call: (206) [system] _259906=[['AndLink', 'A', 'B'], 'C']
   Exit: (206) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (205) [user] read_list(')', (0x563acd73bee0), [['AndLink', 'A', 'B'], 'C'])
   Call: (205) [system] _4028=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (205) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (204) [user] read_list(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (203) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (203) [user] read_list(')', (0x563acd73bee0), _869480)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _871338)
   Exit: (205) [system] peek_char((0x563acd73bee0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x563acd73bee0), _880932)
   Exit: (205) [system] get_char((0x563acd73bee0), ' ')
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _883636)
   Exit: (206) [system] peek_char((0x563acd73bee0), 'B')
   Call: (206) [system] 'B'=(;)
   Fail: (206) [system] 'B'=(;)
   Call: (206) [system] 'B'=(/)
   Fail: (206) [system] 'B'=(/)
^  Call: (206) [user] is_like_space('B')
   Call: (207) [system] char_type('B', 'white')
   Fail: (207) [system] char_type('B', 'white')
   Call: (207) [system] char_type('B', end_of_line)
   Fail: (207) [system] char_type('B', end_of_line)
   Call: (207) [system] char_type('B', space)
   Fail: (207) [system] char_type('B', space)
   Call: (207) [system] char_type('B', cntrl)
   Fail: (207) [system] char_type('B', cntrl)
^  Fail: (206) [user] is_like_space('B')
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _900570)
   Exit: (204) [system] peek_char((0x563acd73bee0), 'B')
   Call: (204) [system] 'B'=')'
   Fail: (204) [system] 'B'=')'
   Call: (204) [system] 'B'=end_of_file
   Fail: (204) [system] 'B'=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x563acd73bee0), _906140)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _907998)
   Exit: (206) [system] peek_char((0x563acd73bee0), 'B')
   Call: (206) [system] 'B'=(;)
   Fail: (206) [system] 'B'=(;)
   Call: (206) [system] 'B'=(/)
   Fail: (206) [system] 'B'=(/)
^  Call: (206) [user] is_like_space('B')
   Call: (207) [system] char_type('B', 'white')
   Fail: (207) [system] char_type('B', 'white')
   Call: (207) [system] char_type('B', end_of_line)
   Fail: (207) [system] char_type('B', end_of_line)
   Call: (207) [system] char_type('B', space)
   Fail: (207) [system] char_type('B', space)
   Call: (207) [system] char_type('B', cntrl)
   Fail: (207) [system] char_type('B', cntrl)
^  Fail: (206) [user] is_like_space('B')
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] get_char((0x563acd73bee0), _924008)
   Exit: (205) [system] get_char((0x563acd73bee0), 'B')
   Call: (205) [system] 'B'='('
   Fail: (205) [system] 'B'='('
   Call: (205) [system] 'B'='['
   Fail: (205) [system] 'B'='['
   Call: (205) [system] 'B'='{'
   Fail: (205) [system] 'B'='{'
   Call: (205) [system] 'B'='"'
   Fail: (205) [system] 'B'='"'
   Call: (205) [system] 'B'=!
   Fail: (205) [system] 'B'=!
   Call: (205) [system] 'B'='\''
   Fail: (205) [system] 'B'='\''
   Call: (205) [system] 'B'='`'
   Fail: (205) [system] 'B'='`'
   Call: (205) [system] 'B'=end_of_file
   Fail: (205) [system] 'B'=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x563acd73bee0), 'B', _906140)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _941650)
   Call: (207) [system] peek_char((0x563acd73bee0), _942584)
   Exit: (207) [system] peek_char((0x563acd73bee0), ')')
^  Call: (207) [user] is_delimiter(')')
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] arg(_947304, v('(', ')', end_of_file), ')')
   Exit: (208) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (207) [user] is_delimiter(')')
   Call: (207) [system] _941650=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (206) [user] classify_and_convert_charseq(['B'], _906140)
^  Call: (207) [user] classify_and_convert_charseq_(['B'], _953740)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_954692, _954694), once(user:catch(read_from_chars(['B'], _953740), _954674, fail)), '$restore_trace'(_954692, _954694))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_954692, _954694))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _953740), _954674, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(_953740)
   Fail: (208) [system] atomic(_953740)
   Call: (208) [system] atom_chars(_953740, ['B'])
   Exit: (208) [system] atom_chars('B', ['B'])
^  Exit: (207) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (207) [system] integer('B')
   Fail: (207) [system] integer('B')
   Call: (207) [system] _906140='B'
   Exit: (207) [system] 'B'='B'
^  Exit: (206) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (205) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (204) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (204) [user] read_list(')', (0x563acd73bee0), _968690)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _970548)
   Exit: (206) [system] peek_char((0x563acd73bee0), ')')
   Call: (206) [system] ')'=(;)
   Fail: (206) [system] ')'=(;)
   Call: (206) [system] ')'=(/)
   Fail: (206) [system] ')'=(/)
^  Call: (206) [user] is_like_space(')')
   Call: (207) [system] char_type(')', 'white')
   Fail: (207) [system] char_type(')', 'white')
   Call: (207) [system] char_type(')', end_of_line)
   Fail: (207) [system] char_type(')', end_of_line)
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] char_type(')', cntrl)
   Fail: (207) [system] char_type(')', cntrl)
^  Fail: (206) [user] is_like_space(')')
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _986558)
   Exit: (205) [system] peek_char((0x563acd73bee0), ')')
   Call: (205) [system] ')'=')'
   Exit: (205) [system] ')'=')'
   Call: (205) [system] get_char((0x563acd73bee0), _990348)
   Exit: (205) [system] get_char((0x563acd73bee0), ')')
   Call: (205) [system] _968690=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_list(')', (0x563acd73bee0), [])
   Call: (204) [system] _869480=['B']
   Exit: (204) [system] ['B']=['B']
^  Exit: (203) [user] read_list(')', (0x563acd73bee0), ['B'])
   Call: (203) [system] _4024=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
   Exit: (203) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
^  Exit: (202) [user] read_list(')', (0x563acd73bee0), [['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
   Call: (202) [system] _4016=['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
   Exit: (202) [system] ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']=['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
^  Exit: (201) [user] read_list(')', (0x563acd73bee0), ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
^  Exit: (200) [user] cont_sexpr(')', (0x563acd73bee0), ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _1004230)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1006088)
   Exit: (202) [system] peek_char((0x563acd73bee0), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
   Call: (202) [system] ')'=(/)
   Fail: (202) [system] ')'=(/)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1022098)
   Exit: (201) [system] peek_char((0x563acd73bee0), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x563acd73bee0), _1025888)
   Exit: (201) [system] get_char((0x563acd73bee0), ')')
   Call: (201) [system] _1004230=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), [])
   Call: (200) [system] _4012=[['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (200) [system] [['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=[['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), [['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
   Call: (199) [system] _3988=[['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (199) [system] [['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=[['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (198) [user] read_list(')', (0x563acd73bee0), [['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
   Call: (198) [system] _3980=[:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (198) [system] [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=[:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (197) [user] read_list(')', (0x563acd73bee0), [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
^  Exit: (196) [user] cont_sexpr(')', (0x563acd73bee0), [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
^  Call: (196) [user] read_list(')', (0x563acd73bee0), _1039770)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1041628)
   Exit: (198) [system] peek_char((0x563acd73bee0), '\n')
   Call: (198) [system] '\n'=(;)
   Fail: (198) [system] '\n'=(;)
   Call: (198) [system] '\n'=(/)
   Fail: (198) [system] '\n'=(/)
^  Call: (198) [user] is_like_space('\n')
   Call: (199) [system] char_type('\n', 'white')
   Fail: (199) [system] char_type('\n', 'white')
   Call: (199) [system] char_type('\n', end_of_line)
   Exit: (199) [system] char_type('\n', end_of_line)
^  Exit: (198) [user] is_like_space('\n')
   Call: (198) [system] get_char((0x563acd73bee0), _1053078)
   Exit: (198) [system] get_char((0x563acd73bee0), '\n')
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1055782)
   Exit: (199) [system] peek_char((0x563acd73bee0), '\t')
   Call: (199) [system] '\t'=(;)
   Fail: (199) [system] '\t'=(;)
   Call: (199) [system] '\t'=(/)
   Fail: (199) [system] '\t'=(/)
^  Call: (199) [user] is_like_space('\t')
   Call: (200) [system] char_type('\t', 'white')
   Exit: (200) [system] char_type('\t', 'white')
^  Exit: (199) [user] is_like_space('\t')
   Call: (199) [system] get_char((0x563acd73bee0), _1065376)
   Exit: (199) [system] get_char((0x563acd73bee0), '\t')
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1068080)
   Exit: (200) [system] peek_char((0x563acd73bee0), '\t')
   Call: (200) [system] '\t'=(;)
   Fail: (200) [system] '\t'=(;)
   Call: (200) [system] '\t'=(/)
   Fail: (200) [system] '\t'=(/)
^  Call: (200) [user] is_like_space('\t')
   Call: (201) [system] char_type('\t', 'white')
   Exit: (201) [system] char_type('\t', 'white')
^  Exit: (200) [user] is_like_space('\t')
   Call: (200) [system] get_char((0x563acd73bee0), _1077674)
   Exit: (200) [system] get_char((0x563acd73bee0), '\t')
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1080378)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _1089972)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1092676)
   Exit: (202) [system] peek_char((0x563acd73bee0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1112382)
   Exit: (197) [system] peek_char((0x563acd73bee0), '(')
   Call: (197) [system] '('=')'
   Fail: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
   Fail: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x563acd73bee0), _1117952)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1119810)
   Exit: (199) [system] peek_char((0x563acd73bee0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] get_char((0x563acd73bee0), _1135820)
   Exit: (198) [system] get_char((0x563acd73bee0), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _1117952)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1141390)
   Exit: (200) [system] peek_char((0x563acd73bee0), :)
   Call: (200) [system] (:)=(;)
   Fail: (200) [system] (:)=(;)
   Call: (200) [system] (:)=(/)
   Fail: (200) [system] (:)=(/)
^  Call: (200) [user] is_like_space(:)
   Call: (201) [system] char_type(:, 'white')
   Fail: (201) [system] char_type(:, 'white')
   Call: (201) [system] char_type(:, end_of_line)
   Fail: (201) [system] char_type(:, end_of_line)
   Call: (201) [system] char_type(:, space)
   Fail: (201) [system] char_type(:, space)
   Call: (201) [system] char_type(:, cntrl)
   Fail: (201) [system] char_type(:, cntrl)
^  Fail: (200) [user] is_like_space(:)
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1157400)
   Exit: (199) [system] peek_char((0x563acd73bee0), :)
   Call: (199) [system] (:)=')'
   Fail: (199) [system] (:)=')'
   Call: (199) [system] (:)=end_of_file
   Fail: (199) [system] (:)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x563acd73bee0), _1162970)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1164828)
   Exit: (201) [system] peek_char((0x563acd73bee0), :)
   Call: (201) [system] (:)=(;)
   Fail: (201) [system] (:)=(;)
   Call: (201) [system] (:)=(/)
   Fail: (201) [system] (:)=(/)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Fail: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Fail: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Fail: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
   Fail: (202) [system] char_type(:, cntrl)
^  Fail: (201) [user] is_like_space(:)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] get_char((0x563acd73bee0), _1180838)
   Exit: (200) [system] get_char((0x563acd73bee0), :)
   Call: (200) [system] (:)='('
   Fail: (200) [system] (:)='('
   Call: (200) [system] (:)='['
   Fail: (200) [system] (:)='['
   Call: (200) [system] (:)='{'
   Fail: (200) [system] (:)='{'
   Call: (200) [system] (:)='"'
   Fail: (200) [system] (:)='"'
   Call: (200) [system] (:)=!
   Fail: (200) [system] (:)=!
   Call: (200) [system] (:)='\''
   Fail: (200) [system] (:)='\''
   Call: (200) [system] (:)='`'
   Fail: (200) [system] (:)='`'
   Call: (200) [system] (:)=end_of_file
   Fail: (200) [system] (:)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x563acd73bee0), :, _1162970)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _1198480)
   Call: (202) [system] peek_char((0x563acd73bee0), _1199414)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _1198480=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (201) [user] classify_and_convert_charseq([:], _1162970)
^  Call: (202) [user] classify_and_convert_charseq_([:], _1208698)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_1209650, _1209652), once(user:catch(read_from_chars([:], _1208698), _1209632, fail)), '$restore_trace'(_1209650, _1209652))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_1209650, _1209652))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1209632, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(:)
   Exit: (203) [system] atomic(:)
^  Exit: (202) [user] classify_and_convert_charseq_([:], :)
   Call: (202) [system] integer(:)
   Fail: (202) [system] integer(:)
   Call: (202) [system] _1162970=(:)
   Exit: (202) [system] (:)=(:)
^  Exit: (201) [user] classify_and_convert_charseq([:], :)
^  Exit: (200) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (199) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _1221778)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1223636)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _1233230)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1235934)
   Exit: (202) [system] peek_char((0x563acd73bee0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1252868)
   Exit: (200) [system] peek_char((0x563acd73bee0), '(')
   Call: (200) [system] '('=')'
   Fail: (200) [system] '('=')'
   Call: (200) [system] '('=end_of_file
   Fail: (200) [system] '('=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x563acd73bee0), _1258438)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1260296)
   Exit: (202) [system] peek_char((0x563acd73bee0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] get_char((0x563acd73bee0), _1276306)
   Exit: (201) [system] get_char((0x563acd73bee0), '(')
   Call: (201) [system] '('='('
   Exit: (201) [system] '('='('
^  Call: (201) [user] read_list(')', (0x563acd73bee0), _1258438)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1281876)
   Exit: (203) [system] peek_char((0x563acd73bee0), 'C')
   Call: (203) [system] 'C'=(;)
   Fail: (203) [system] 'C'=(;)
   Call: (203) [system] 'C'=(/)
   Fail: (203) [system] 'C'=(/)
^  Call: (203) [user] is_like_space('C')
   Call: (204) [system] char_type('C', 'white')
   Fail: (204) [system] char_type('C', 'white')
   Call: (204) [system] char_type('C', end_of_line)
   Fail: (204) [system] char_type('C', end_of_line)
   Call: (204) [system] char_type('C', space)
   Fail: (204) [system] char_type('C', space)
   Call: (204) [system] char_type('C', cntrl)
   Fail: (204) [system] char_type('C', cntrl)
^  Fail: (203) [user] is_like_space('C')
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1297886)
   Exit: (202) [system] peek_char((0x563acd73bee0), 'C')
   Call: (202) [system] 'C'=')'
   Fail: (202) [system] 'C'=')'
   Call: (202) [system] 'C'=end_of_file
   Fail: (202) [system] 'C'=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x563acd73bee0), _1303456)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1305314)
   Exit: (204) [system] peek_char((0x563acd73bee0), 'C')
   Call: (204) [system] 'C'=(;)
   Fail: (204) [system] 'C'=(;)
   Call: (204) [system] 'C'=(/)
   Fail: (204) [system] 'C'=(/)
^  Call: (204) [user] is_like_space('C')
   Call: (205) [system] char_type('C', 'white')
   Fail: (205) [system] char_type('C', 'white')
   Call: (205) [system] char_type('C', end_of_line)
   Fail: (205) [system] char_type('C', end_of_line)
   Call: (205) [system] char_type('C', space)
   Fail: (205) [system] char_type('C', space)
   Call: (205) [system] char_type('C', cntrl)
   Fail: (205) [system] char_type('C', cntrl)
^  Fail: (204) [user] is_like_space('C')
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] get_char((0x563acd73bee0), _1321324)
   Exit: (203) [system] get_char((0x563acd73bee0), 'C')
   Call: (203) [system] 'C'='('
   Fail: (203) [system] 'C'='('
   Call: (203) [system] 'C'='['
   Fail: (203) [system] 'C'='['
   Call: (203) [system] 'C'='{'
   Fail: (203) [system] 'C'='{'
   Call: (203) [system] 'C'='"'
   Fail: (203) [system] 'C'='"'
   Call: (203) [system] 'C'=!
   Fail: (203) [system] 'C'=!
   Call: (203) [system] 'C'='\''
   Fail: (203) [system] 'C'='\''
   Call: (203) [system] 'C'='`'
   Fail: (203) [system] 'C'='`'
   Call: (203) [system] 'C'=end_of_file
   Fail: (203) [system] 'C'=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x563acd73bee0), 'C', _1303456)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1338966)
   Call: (205) [system] peek_char((0x563acd73bee0), _1339900)
   Exit: (205) [system] peek_char((0x563acd73bee0), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_1344620, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_1345552, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x563acd73bee0), o)
   Exit: (205) [system] get_char((0x563acd73bee0), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1352902)
   Call: (206) [system] peek_char((0x563acd73bee0), _1353836)
   Exit: (206) [system] peek_char((0x563acd73bee0), n)
^  Call: (206) [user] is_delimiter(n)
   Call: (207) [system] char_type(n, space)
   Fail: (207) [system] char_type(n, space)
   Call: (207) [system] arg(_1358556, v('(', ')', end_of_file), n)
   Fail: (207) [system] arg(_1359488, v('(', ')', end_of_file), n)
^  Fail: (206) [user] is_delimiter(n)
   Call: (206) [system] ')'==n
   Fail: (206) [system] ')'==n
   Call: (206) [system] get_char((0x563acd73bee0), n)
   Exit: (206) [system] get_char((0x563acd73bee0), n)
   Call: (206) [system] n=(\)
   Fail: (206) [system] n=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1366838)
   Call: (207) [system] peek_char((0x563acd73bee0), _1367772)
   Exit: (207) [system] peek_char((0x563acd73bee0), j)
^  Call: (207) [user] is_delimiter(j)
   Call: (208) [system] char_type(j, space)
   Fail: (208) [system] char_type(j, space)
   Call: (208) [system] arg(_1372492, v('(', ')', end_of_file), j)
   Fail: (208) [system] arg(_1373424, v('(', ')', end_of_file), j)
^  Fail: (207) [user] is_delimiter(j)
   Call: (207) [system] ')'==j
   Fail: (207) [system] ')'==j
   Call: (207) [system] get_char((0x563acd73bee0), j)
   Exit: (207) [system] get_char((0x563acd73bee0), j)
   Call: (207) [system] j=(\)
   Fail: (207) [system] j=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1380774)
   Call: (208) [system] peek_char((0x563acd73bee0), _1381708)
   Exit: (208) [system] peek_char((0x563acd73bee0), u)
^  Call: (208) [user] is_delimiter(u)
   Call: (209) [system] char_type(u, space)
   Fail: (209) [system] char_type(u, space)
   Call: (209) [system] arg(_1386428, v('(', ')', end_of_file), u)
   Fail: (209) [system] arg(_1387360, v('(', ')', end_of_file), u)
^  Fail: (208) [user] is_delimiter(u)
   Call: (208) [system] ')'==u
   Fail: (208) [system] ')'==u
   Call: (208) [system] get_char((0x563acd73bee0), u)
   Exit: (208) [system] get_char((0x563acd73bee0), u)
   Call: (208) [system] u=(\)
   Fail: (208) [system] u=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1394710)
   Call: (209) [system] peek_char((0x563acd73bee0), _1395644)
   Exit: (209) [system] peek_char((0x563acd73bee0), n)
^  Call: (209) [user] is_delimiter(n)
   Call: (210) [system] char_type(n, space)
   Fail: (210) [system] char_type(n, space)
   Call: (210) [system] arg(_1400364, v('(', ')', end_of_file), n)
   Fail: (210) [system] arg(_1401296, v('(', ')', end_of_file), n)
^  Fail: (209) [user] is_delimiter(n)
   Call: (209) [system] ')'==n
   Fail: (209) [system] ')'==n
   Call: (209) [system] get_char((0x563acd73bee0), n)
   Exit: (209) [system] get_char((0x563acd73bee0), n)
   Call: (209) [system] n=(\)
   Fail: (209) [system] n=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1408646)
   Call: (210) [system] peek_char((0x563acd73bee0), _1409580)
   Exit: (210) [system] peek_char((0x563acd73bee0), c)
^  Call: (210) [user] is_delimiter(c)
   Call: (211) [system] char_type(c, space)
   Fail: (211) [system] char_type(c, space)
   Call: (211) [system] arg(_1414300, v('(', ')', end_of_file), c)
   Fail: (211) [system] arg(_1415232, v('(', ')', end_of_file), c)
^  Fail: (210) [user] is_delimiter(c)
   Call: (210) [system] ')'==c
   Fail: (210) [system] ')'==c
   Call: (210) [system] get_char((0x563acd73bee0), c)
   Exit: (210) [system] get_char((0x563acd73bee0), c)
   Call: (210) [system] c=(\)
   Fail: (210) [system] c=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1422582)
   Call: (211) [system] peek_char((0x563acd73bee0), _1423516)
   Exit: (211) [system] peek_char((0x563acd73bee0), t)
^  Call: (211) [user] is_delimiter(t)
   Call: (212) [system] char_type(t, space)
   Fail: (212) [system] char_type(t, space)
   Call: (212) [system] arg(_1428236, v('(', ')', end_of_file), t)
   Fail: (212) [system] arg(_1429168, v('(', ')', end_of_file), t)
^  Fail: (211) [user] is_delimiter(t)
   Call: (211) [system] ')'==t
   Fail: (211) [system] ')'==t
   Call: (211) [system] get_char((0x563acd73bee0), t)
   Exit: (211) [system] get_char((0x563acd73bee0), t)
   Call: (211) [system] t=(\)
   Fail: (211) [system] t=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1436518)
   Call: (212) [system] peek_char((0x563acd73bee0), _1437452)
   Exit: (212) [system] peek_char((0x563acd73bee0), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_1442172, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_1443104, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x563acd73bee0), i)
   Exit: (212) [system] get_char((0x563acd73bee0), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _1450454)
   Call: (213) [system] peek_char((0x563acd73bee0), _1451388)
   Exit: (213) [system] peek_char((0x563acd73bee0), o)
^  Call: (213) [user] is_delimiter(o)
   Call: (214) [system] char_type(o, space)
   Fail: (214) [system] char_type(o, space)
   Call: (214) [system] arg(_1456108, v('(', ')', end_of_file), o)
   Fail: (214) [system] arg(_1457040, v('(', ')', end_of_file), o)
^  Fail: (213) [user] is_delimiter(o)
   Call: (213) [system] ')'==o
   Fail: (213) [system] ')'==o
   Call: (213) [system] get_char((0x563acd73bee0), o)
   Exit: (213) [system] get_char((0x563acd73bee0), o)
   Call: (213) [system] o=(\)
   Fail: (213) [system] o=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _1464390)
   Call: (214) [system] peek_char((0x563acd73bee0), _1465324)
   Exit: (214) [system] peek_char((0x563acd73bee0), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_1470044, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_1470976, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x563acd73bee0), n)
   Exit: (214) [system] get_char((0x563acd73bee0), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _1478326)
   Call: (215) [system] peek_char((0x563acd73bee0), _1479260)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'I')
^  Call: (215) [user] is_delimiter('I')
   Call: (216) [system] char_type('I', space)
   Fail: (216) [system] char_type('I', space)
   Call: (216) [system] arg(_1483980, v('(', ')', end_of_file), 'I')
   Fail: (216) [system] arg(_1484912, v('(', ')', end_of_file), 'I')
^  Fail: (215) [user] is_delimiter('I')
   Call: (215) [system] ')'=='I'
   Fail: (215) [system] ')'=='I'
   Call: (215) [system] get_char((0x563acd73bee0), 'I')
   Exit: (215) [system] get_char((0x563acd73bee0), 'I')
   Call: (215) [system] 'I'=(\)
   Fail: (215) [system] 'I'=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _1492262)
   Call: (216) [system] peek_char((0x563acd73bee0), _1493196)
   Exit: (216) [system] peek_char((0x563acd73bee0), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_1497916, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_1498848, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x563acd73bee0), n)
   Exit: (216) [system] get_char((0x563acd73bee0), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _1506198)
   Call: (217) [system] peek_char((0x563acd73bee0), _1507132)
   Exit: (217) [system] peek_char((0x563acd73bee0), t)
^  Call: (217) [user] is_delimiter(t)
   Call: (218) [system] char_type(t, space)
   Fail: (218) [system] char_type(t, space)
   Call: (218) [system] arg(_1511852, v('(', ')', end_of_file), t)
   Fail: (218) [system] arg(_1512784, v('(', ')', end_of_file), t)
^  Fail: (217) [user] is_delimiter(t)
   Call: (217) [system] ')'==t
   Fail: (217) [system] ')'==t
   Call: (217) [system] get_char((0x563acd73bee0), t)
   Exit: (217) [system] get_char((0x563acd73bee0), t)
   Call: (217) [system] t=(\)
   Fail: (217) [system] t=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _1520134)
   Call: (218) [system] peek_char((0x563acd73bee0), _1521068)
   Exit: (218) [system] peek_char((0x563acd73bee0), r)
^  Call: (218) [user] is_delimiter(r)
   Call: (219) [system] char_type(r, space)
   Fail: (219) [system] char_type(r, space)
   Call: (219) [system] arg(_1525788, v('(', ')', end_of_file), r)
   Fail: (219) [system] arg(_1526720, v('(', ')', end_of_file), r)
^  Fail: (218) [user] is_delimiter(r)
   Call: (218) [system] ')'==r
   Fail: (218) [system] ')'==r
   Call: (218) [system] get_char((0x563acd73bee0), r)
   Exit: (218) [system] get_char((0x563acd73bee0), r)
   Call: (218) [system] r=(\)
   Fail: (218) [system] r=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _1534070)
   Call: (219) [system] peek_char((0x563acd73bee0), _1535004)
   Exit: (219) [system] peek_char((0x563acd73bee0), o)
^  Call: (219) [user] is_delimiter(o)
   Call: (220) [system] char_type(o, space)
   Fail: (220) [system] char_type(o, space)
   Call: (220) [system] arg(_1539724, v('(', ')', end_of_file), o)
   Fail: (220) [system] arg(_1540656, v('(', ')', end_of_file), o)
^  Fail: (219) [user] is_delimiter(o)
   Call: (219) [system] ')'==o
   Fail: (219) [system] ')'==o
   Call: (219) [system] get_char((0x563acd73bee0), o)
   Exit: (219) [system] get_char((0x563acd73bee0), o)
   Call: (219) [system] o=(\)
   Fail: (219) [system] o=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _1548006)
   Call: (220) [system] peek_char((0x563acd73bee0), _1548940)
   Exit: (220) [system] peek_char((0x563acd73bee0), d)
^  Call: (220) [user] is_delimiter(d)
   Call: (221) [system] char_type(d, space)
   Fail: (221) [system] char_type(d, space)
   Call: (221) [system] arg(_1553660, v('(', ')', end_of_file), d)
   Fail: (221) [system] arg(_1554592, v('(', ')', end_of_file), d)
^  Fail: (220) [user] is_delimiter(d)
   Call: (220) [system] ')'==d
   Fail: (220) [system] ')'==d
   Call: (220) [system] get_char((0x563acd73bee0), d)
   Exit: (220) [system] get_char((0x563acd73bee0), d)
   Call: (220) [system] d=(\)
   Fail: (220) [system] d=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _1561942)
   Call: (221) [system] peek_char((0x563acd73bee0), _1562876)
   Exit: (221) [system] peek_char((0x563acd73bee0), u)
^  Call: (221) [user] is_delimiter(u)
   Call: (222) [system] char_type(u, space)
   Fail: (222) [system] char_type(u, space)
   Call: (222) [system] arg(_1567596, v('(', ')', end_of_file), u)
   Fail: (222) [system] arg(_1568528, v('(', ')', end_of_file), u)
^  Fail: (221) [user] is_delimiter(u)
   Call: (221) [system] ')'==u
   Fail: (221) [system] ')'==u
   Call: (221) [system] get_char((0x563acd73bee0), u)
   Exit: (221) [system] get_char((0x563acd73bee0), u)
   Call: (221) [system] u=(\)
   Fail: (221) [system] u=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _1575878)
   Call: (222) [system] peek_char((0x563acd73bee0), _1576812)
   Exit: (222) [system] peek_char((0x563acd73bee0), c)
^  Call: (222) [user] is_delimiter(c)
   Call: (223) [system] char_type(c, space)
   Fail: (223) [system] char_type(c, space)
   Call: (223) [system] arg(_1581532, v('(', ')', end_of_file), c)
   Fail: (223) [system] arg(_1582464, v('(', ')', end_of_file), c)
^  Fail: (222) [user] is_delimiter(c)
   Call: (222) [system] ')'==c
   Fail: (222) [system] ')'==c
   Call: (222) [system] get_char((0x563acd73bee0), c)
   Exit: (222) [system] get_char((0x563acd73bee0), c)
   Call: (222) [system] c=(\)
   Fail: (222) [system] c=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _1589814)
   Call: (223) [system] peek_char((0x563acd73bee0), _1590748)
   Exit: (223) [system] peek_char((0x563acd73bee0), t)
^  Call: (223) [user] is_delimiter(t)
   Call: (224) [system] char_type(t, space)
   Fail: (224) [system] char_type(t, space)
   Call: (224) [system] arg(_1595468, v('(', ')', end_of_file), t)
   Fail: (224) [system] arg(_1596400, v('(', ')', end_of_file), t)
^  Fail: (223) [user] is_delimiter(t)
   Call: (223) [system] ')'==t
   Fail: (223) [system] ')'==t
   Call: (223) [system] get_char((0x563acd73bee0), t)
   Exit: (223) [system] get_char((0x563acd73bee0), t)
   Call: (223) [system] t=(\)
   Fail: (223) [system] t=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _1603750)
   Call: (224) [system] peek_char((0x563acd73bee0), _1604684)
   Exit: (224) [system] peek_char((0x563acd73bee0), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Fail: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_1609404, v('(', ')', end_of_file), i)
   Fail: (225) [system] arg(_1610336, v('(', ')', end_of_file), i)
^  Fail: (224) [user] is_delimiter(i)
   Call: (224) [system] ')'==i
   Fail: (224) [system] ')'==i
   Call: (224) [system] get_char((0x563acd73bee0), i)
   Exit: (224) [system] get_char((0x563acd73bee0), i)
   Call: (224) [system] i=(\)
   Fail: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _1617686)
   Call: (225) [system] peek_char((0x563acd73bee0), _1618620)
   Exit: (225) [system] peek_char((0x563acd73bee0), o)
^  Call: (225) [user] is_delimiter(o)
   Call: (226) [system] char_type(o, space)
   Fail: (226) [system] char_type(o, space)
   Call: (226) [system] arg(_1623340, v('(', ')', end_of_file), o)
   Fail: (226) [system] arg(_1624272, v('(', ')', end_of_file), o)
^  Fail: (225) [user] is_delimiter(o)
   Call: (225) [system] ')'==o
   Fail: (225) [system] ')'==o
   Call: (225) [system] get_char((0x563acd73bee0), o)
   Exit: (225) [system] get_char((0x563acd73bee0), o)
   Call: (225) [system] o=(\)
   Fail: (225) [system] o=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _1631622)
   Call: (226) [system] peek_char((0x563acd73bee0), _1632556)
   Exit: (226) [system] peek_char((0x563acd73bee0), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_1637276, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_1638208, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x563acd73bee0), n)
   Exit: (226) [system] get_char((0x563acd73bee0), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _1645558)
   Call: (227) [system] peek_char((0x563acd73bee0), _1646492)
   Exit: (227) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _1645558=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (226) [system] _1631622=[n]
   Exit: (226) [system] [n]=[n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (225) [system] _1617686=[o, n]
   Exit: (225) [system] [o, n]=[o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (224) [system] _1603750=[i, o, n]
   Exit: (224) [system] [i, o, n]=[i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (223) [system] _1589814=[t, i, o, n]
   Exit: (223) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (222) [system] _1575878=[c, t, i, o, n]
   Exit: (222) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n])
   Call: (221) [system] _1561942=[u, c, t, i, o, n]
   Exit: (221) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, i, o, n])
   Call: (220) [system] _1548006=[d, u, c, t, i, o, n]
   Exit: (220) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, u, c, t, i, o, n])
   Call: (219) [system] _1534070=[o, d, u, c, t, i, o, n]
   Exit: (219) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, d, u, c, t, i, o, n])
   Call: (218) [system] _1520134=[r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1506198=[t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1492262=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1478326=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _1464390=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1450454=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _1436518=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _1422582=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _1408646=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _1394710=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _1380774=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (207) [system] _1366838=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (207) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (206) [system] _1352902=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (206) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (205) [system] _1338966=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (205) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (204) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1303456)
^  Call: (205) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1717244)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_1718196, _1718198), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1717244), _1718178, fail)), '$restore_trace'(_1718196, _1718198))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_1718196, _1718198))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1717244), _1718178, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(_1717244)
   Fail: (206) [system] atomic(_1717244)
   Call: (206) [system] atom_chars(_1717244, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (206) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (205) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
   Call: (205) [system] integer('ConjunctionIntroduction')
   Fail: (205) [system] integer('ConjunctionIntroduction')
   Call: (205) [system] _1303456='ConjunctionIntroduction'
   Exit: (205) [system] 'ConjunctionIntroduction'='ConjunctionIntroduction'
^  Exit: (204) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (203) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'ConjunctionIntroduction')
^  Exit: (202) [user] cont_sexpr(')', (0x563acd73bee0), 'ConjunctionIntroduction')
^  Call: (202) [user] read_list(')', (0x563acd73bee0), _1732194)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1734052)
   Exit: (204) [system] peek_char((0x563acd73bee0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x563acd73bee0), _1743646)
   Exit: (204) [system] get_char((0x563acd73bee0), ' ')
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1746350)
   Exit: (205) [system] peek_char((0x563acd73bee0), c)
   Call: (205) [system] c=(;)
   Fail: (205) [system] c=(;)
   Call: (205) [system] c=(/)
   Fail: (205) [system] c=(/)
^  Call: (205) [user] is_like_space(c)
   Call: (206) [system] char_type(c, 'white')
   Fail: (206) [system] char_type(c, 'white')
   Call: (206) [system] char_type(c, end_of_line)
   Fail: (206) [system] char_type(c, end_of_line)
   Call: (206) [system] char_type(c, space)
   Fail: (206) [system] char_type(c, space)
   Call: (206) [system] char_type(c, cntrl)
   Fail: (206) [system] char_type(c, cntrl)
^  Fail: (205) [user] is_like_space(c)
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1763284)
   Exit: (203) [system] peek_char((0x563acd73bee0), c)
   Call: (203) [system] c=')'
   Fail: (203) [system] c=')'
   Call: (203) [system] c=end_of_file
   Fail: (203) [system] c=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x563acd73bee0), _1768854)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1770712)
   Exit: (205) [system] peek_char((0x563acd73bee0), c)
   Call: (205) [system] c=(;)
   Fail: (205) [system] c=(;)
   Call: (205) [system] c=(/)
   Fail: (205) [system] c=(/)
^  Call: (205) [user] is_like_space(c)
   Call: (206) [system] char_type(c, 'white')
   Fail: (206) [system] char_type(c, 'white')
   Call: (206) [system] char_type(c, end_of_line)
   Fail: (206) [system] char_type(c, end_of_line)
   Call: (206) [system] char_type(c, space)
   Fail: (206) [system] char_type(c, space)
   Call: (206) [system] char_type(c, cntrl)
   Fail: (206) [system] char_type(c, cntrl)
^  Fail: (205) [user] is_like_space(c)
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] get_char((0x563acd73bee0), _1786722)
   Exit: (204) [system] get_char((0x563acd73bee0), c)
   Call: (204) [system] c='('
   Fail: (204) [system] c='('
   Call: (204) [system] c='['
   Fail: (204) [system] c='['
   Call: (204) [system] c='{'
   Fail: (204) [system] c='{'
   Call: (204) [system] c='"'
   Fail: (204) [system] c='"'
   Call: (204) [system] c=!
   Fail: (204) [system] c=!
   Call: (204) [system] c='\''
   Fail: (204) [system] c='\''
   Call: (204) [system] c='`'
   Fail: (204) [system] c='`'
   Call: (204) [system] c=end_of_file
   Fail: (204) [system] c=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x563acd73bee0), c, _1768854)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1804364)
   Call: (206) [system] peek_char((0x563acd73bee0), _1805298)
   Exit: (206) [system] peek_char((0x563acd73bee0), d)
^  Call: (206) [user] is_delimiter(d)
   Call: (207) [system] char_type(d, space)
   Fail: (207) [system] char_type(d, space)
   Call: (207) [system] arg(_1810018, v('(', ')', end_of_file), d)
   Fail: (207) [system] arg(_1810950, v('(', ')', end_of_file), d)
^  Fail: (206) [user] is_delimiter(d)
   Call: (206) [system] ')'==d
   Fail: (206) [system] ')'==d
   Call: (206) [system] get_char((0x563acd73bee0), d)
   Exit: (206) [system] get_char((0x563acd73bee0), d)
   Call: (206) [system] d=(\)
   Fail: (206) [system] d=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1818300)
   Call: (207) [system] peek_char((0x563acd73bee0), _1819234)
   Exit: (207) [system] peek_char((0x563acd73bee0), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_1823954, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_1824886, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x563acd73bee0), e)
   Exit: (207) [system] get_char((0x563acd73bee0), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1832236)
   Call: (208) [system] peek_char((0x563acd73bee0), _1833170)
   Exit: (208) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _1832236=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (207) [system] _1818300=[e]
   Exit: (207) [system] [e]=[e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [e])
   Call: (206) [system] _1804364=[d, e]
   Exit: (206) [system] [d, e]=[d, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, e])
^  Call: (205) [user] classify_and_convert_charseq([c, d, e], _1768854)
^  Call: (206) [user] classify_and_convert_charseq_([c, d, e], _1848042)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_1848994, _1848996), once(user:catch(read_from_chars([c, d, e], _1848042), _1848976, fail)), '$restore_trace'(_1848994, _1848996))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_1848994, _1848996))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1848976, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(cde)
   Exit: (207) [system] atomic(cde)
^  Exit: (206) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (206) [system] integer(cde)
   Fail: (206) [system] integer(cde)
   Call: (206) [system] _1768854=cde
   Exit: (206) [system] cde=cde
^  Exit: (205) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (204) [user] read_symbolic(')', (0x563acd73bee0), c, cde)
^  Exit: (203) [user] cont_sexpr(')', (0x563acd73bee0), cde)
^  Call: (203) [user] read_list(')', (0x563acd73bee0), _1861122)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1862980)
   Exit: (205) [system] peek_char((0x563acd73bee0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x563acd73bee0), _1872574)
   Exit: (205) [system] get_char((0x563acd73bee0), ' ')
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1875278)
   Exit: (206) [system] peek_char((0x563acd73bee0), a)
   Call: (206) [system] a=(;)
   Fail: (206) [system] a=(;)
   Call: (206) [system] a=(/)
   Fail: (206) [system] a=(/)
^  Call: (206) [user] is_like_space(a)
   Call: (207) [system] char_type(a, 'white')
   Fail: (207) [system] char_type(a, 'white')
   Call: (207) [system] char_type(a, end_of_line)
   Fail: (207) [system] char_type(a, end_of_line)
   Call: (207) [system] char_type(a, space)
   Fail: (207) [system] char_type(a, space)
   Call: (207) [system] char_type(a, cntrl)
   Fail: (207) [system] char_type(a, cntrl)
^  Fail: (206) [user] is_like_space(a)
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1892212)
   Exit: (204) [system] peek_char((0x563acd73bee0), a)
   Call: (204) [system] a=')'
   Fail: (204) [system] a=')'
   Call: (204) [system] a=end_of_file
   Fail: (204) [system] a=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x563acd73bee0), _1897782)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1899640)
   Exit: (206) [system] peek_char((0x563acd73bee0), a)
   Call: (206) [system] a=(;)
   Fail: (206) [system] a=(;)
   Call: (206) [system] a=(/)
   Fail: (206) [system] a=(/)
^  Call: (206) [user] is_like_space(a)
   Call: (207) [system] char_type(a, 'white')
   Fail: (207) [system] char_type(a, 'white')
   Call: (207) [system] char_type(a, end_of_line)
   Fail: (207) [system] char_type(a, end_of_line)
   Call: (207) [system] char_type(a, space)
   Fail: (207) [system] char_type(a, space)
   Call: (207) [system] char_type(a, cntrl)
   Fail: (207) [system] char_type(a, cntrl)
^  Fail: (206) [user] is_like_space(a)
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] get_char((0x563acd73bee0), _1915650)
   Exit: (205) [system] get_char((0x563acd73bee0), a)
   Call: (205) [system] a='('
   Fail: (205) [system] a='('
   Call: (205) [system] a='['
   Fail: (205) [system] a='['
   Call: (205) [system] a='{'
   Fail: (205) [system] a='{'
   Call: (205) [system] a='"'
   Fail: (205) [system] a='"'
   Call: (205) [system] a=!
   Fail: (205) [system] a=!
   Call: (205) [system] a='\''
   Fail: (205) [system] a='\''
   Call: (205) [system] a='`'
   Fail: (205) [system] a='`'
   Call: (205) [system] a=end_of_file
   Fail: (205) [system] a=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x563acd73bee0), a, _1897782)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1933292)
   Call: (207) [system] peek_char((0x563acd73bee0), _1934226)
   Exit: (207) [system] peek_char((0x563acd73bee0), b)
^  Call: (207) [user] is_delimiter(b)
   Call: (208) [system] char_type(b, space)
   Fail: (208) [system] char_type(b, space)
   Call: (208) [system] arg(_1938946, v('(', ')', end_of_file), b)
   Fail: (208) [system] arg(_1939878, v('(', ')', end_of_file), b)
^  Fail: (207) [user] is_delimiter(b)
   Call: (207) [system] ')'==b
   Fail: (207) [system] ')'==b
   Call: (207) [system] get_char((0x563acd73bee0), b)
   Exit: (207) [system] get_char((0x563acd73bee0), b)
   Call: (207) [system] b=(\)
   Fail: (207) [system] b=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1947228)
   Call: (208) [system] peek_char((0x563acd73bee0), _1948162)
   Exit: (208) [system] peek_char((0x563acd73bee0), c)
^  Call: (208) [user] is_delimiter(c)
   Call: (209) [system] char_type(c, space)
   Fail: (209) [system] char_type(c, space)
   Call: (209) [system] arg(_1952882, v('(', ')', end_of_file), c)
   Fail: (209) [system] arg(_1953814, v('(', ')', end_of_file), c)
^  Fail: (208) [user] is_delimiter(c)
   Call: (208) [system] ')'==c
   Fail: (208) [system] ')'==c
   Call: (208) [system] get_char((0x563acd73bee0), c)
   Exit: (208) [system] get_char((0x563acd73bee0), c)
   Call: (208) [system] c=(\)
   Fail: (208) [system] c=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1961164)
   Call: (209) [system] peek_char((0x563acd73bee0), _1962098)
   Exit: (209) [system] peek_char((0x563acd73bee0), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_1966818, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _1961164=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (208) [system] _1947228=[c]
   Exit: (208) [system] [c]=[c]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [c])
   Call: (207) [system] _1933292=[b, c]
   Exit: (207) [system] [b, c]=[b, c]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [b, c])
^  Call: (206) [user] classify_and_convert_charseq([a, b, c], _1897782)
^  Call: (207) [user] classify_and_convert_charseq_([a, b, c], _1978842)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_1979794, _1979796), once(user:catch(read_from_chars([a, b, c], _1978842), _1979776, fail)), '$restore_trace'(_1979794, _1979796))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_1979794, _1979796))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1979776, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(abc)
   Exit: (208) [system] atomic(abc)
^  Exit: (207) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (207) [system] integer(abc)
   Fail: (207) [system] integer(abc)
   Call: (207) [system] _1897782=abc
   Exit: (207) [system] abc=abc
^  Exit: (206) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (205) [user] read_symbolic(')', (0x563acd73bee0), a, abc)
^  Exit: (204) [user] cont_sexpr(')', (0x563acd73bee0), abc)
^  Call: (204) [user] read_list(')', (0x563acd73bee0), _1991922)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1993780)
   Exit: (206) [system] peek_char((0x563acd73bee0), ')')
   Call: (206) [system] ')'=(;)
   Fail: (206) [system] ')'=(;)
   Call: (206) [system] ')'=(/)
   Fail: (206) [system] ')'=(/)
^  Call: (206) [user] is_like_space(')')
   Call: (207) [system] char_type(')', 'white')
   Fail: (207) [system] char_type(')', 'white')
   Call: (207) [system] char_type(')', end_of_line)
   Fail: (207) [system] char_type(')', end_of_line)
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] char_type(')', cntrl)
   Fail: (207) [system] char_type(')', cntrl)
^  Fail: (206) [user] is_like_space(')')
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _2009790)
   Exit: (205) [system] peek_char((0x563acd73bee0), ')')
   Call: (205) [system] ')'=')'
   Exit: (205) [system] ')'=')'
   Call: (205) [system] get_char((0x563acd73bee0), _2013580)
   Exit: (205) [system] get_char((0x563acd73bee0), ')')
   Call: (205) [system] _1991922=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_list(')', (0x563acd73bee0), [])
   Call: (204) [system] _1861122=[abc]
   Exit: (204) [system] [abc]=[abc]
^  Exit: (203) [user] read_list(')', (0x563acd73bee0), [abc])
   Call: (203) [system] _1732194=[cde, abc]
   Exit: (203) [system] [cde, abc]=[cde, abc]
^  Exit: (202) [user] read_list(')', (0x563acd73bee0), [cde, abc])
   Call: (202) [system] _1258438=['ConjunctionIntroduction', cde, abc]
   Exit: (202) [system] ['ConjunctionIntroduction', cde, abc]=['ConjunctionIntroduction', cde, abc]
^  Exit: (201) [user] read_list(')', (0x563acd73bee0), ['ConjunctionIntroduction', cde, abc])
^  Exit: (200) [user] cont_sexpr(')', (0x563acd73bee0), ['ConjunctionIntroduction', cde, abc])
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _2027462)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _2029320)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x563acd73bee0), _2038914)
   Exit: (202) [system] get_char((0x563acd73bee0), ' ')
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _2041618)
   Exit: (203) [system] peek_char((0x563acd73bee0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _2058552)
   Exit: (201) [system] peek_char((0x563acd73bee0), '(')
   Call: (201) [system] '('=')'
   Fail: (201) [system] '('=')'
   Call: (201) [system] '('=end_of_file
   Fail: (201) [system] '('=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x563acd73bee0), _2064122)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _2065980)
   Exit: (203) [system] peek_char((0x563acd73bee0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] get_char((0x563acd73bee0), _2081990)
   Exit: (202) [system] get_char((0x563acd73bee0), '(')
   Call: (202) [system] '('='('
   Exit: (202) [system] '('='('
^  Call: (202) [user] read_list(')', (0x563acd73bee0), _2064122)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _2087560)
   Exit: (204) [system] peek_char((0x563acd73bee0), 'A')
   Call: (204) [system] 'A'=(;)
   Fail: (204) [system] 'A'=(;)
   Call: (204) [system] 'A'=(/)
   Fail: (204) [system] 'A'=(/)
^  Call: (204) [user] is_like_space('A')
   Call: (205) [system] char_type('A', 'white')
   Fail: (205) [system] char_type('A', 'white')
   Call: (205) [system] char_type('A', end_of_line)
   Fail: (205) [system] char_type('A', end_of_line)
   Call: (205) [system] char_type('A', space)
   Fail: (205) [system] char_type('A', space)
   Call: (205) [system] char_type('A', cntrl)
   Fail: (205) [system] char_type('A', cntrl)
^  Fail: (204) [user] is_like_space('A')
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _10958)
   Exit: (203) [system] peek_char((0x563acd73bee0), 'A')
   Call: (203) [system] 'A'=')'
   Fail: (203) [system] 'A'=')'
   Call: (203) [system] 'A'=end_of_file
   Fail: (203) [system] 'A'=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x563acd73bee0), _16528)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _18386)
   Exit: (205) [system] peek_char((0x563acd73bee0), 'A')
   Call: (205) [system] 'A'=(;)
   Fail: (205) [system] 'A'=(;)
   Call: (205) [system] 'A'=(/)
   Fail: (205) [system] 'A'=(/)
^  Call: (205) [user] is_like_space('A')
   Call: (206) [system] char_type('A', 'white')
   Fail: (206) [system] char_type('A', 'white')
   Call: (206) [system] char_type('A', end_of_line)
   Fail: (206) [system] char_type('A', end_of_line)
   Call: (206) [system] char_type('A', space)
   Fail: (206) [system] char_type('A', space)
   Call: (206) [system] char_type('A', cntrl)
   Fail: (206) [system] char_type('A', cntrl)
^  Fail: (205) [user] is_like_space('A')
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] get_char((0x563acd73bee0), _34396)
   Exit: (204) [system] get_char((0x563acd73bee0), 'A')
   Call: (204) [system] 'A'='('
   Fail: (204) [system] 'A'='('
   Call: (204) [system] 'A'='['
   Fail: (204) [system] 'A'='['
   Call: (204) [system] 'A'='{'
   Fail: (204) [system] 'A'='{'
   Call: (204) [system] 'A'='"'
   Fail: (204) [system] 'A'='"'
   Call: (204) [system] 'A'=!
   Fail: (204) [system] 'A'=!
   Call: (204) [system] 'A'='\''
   Fail: (204) [system] 'A'='\''
   Call: (204) [system] 'A'='`'
   Fail: (204) [system] 'A'='`'
   Call: (204) [system] 'A'=end_of_file
   Fail: (204) [system] 'A'=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x563acd73bee0), 'A', _16528)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _52038)
   Call: (206) [system] peek_char((0x563acd73bee0), _52972)
   Exit: (206) [system] peek_char((0x563acd73bee0), n)
^  Call: (206) [user] is_delimiter(n)
   Call: (207) [system] char_type(n, space)
   Fail: (207) [system] char_type(n, space)
   Call: (207) [system] arg(_57692, v('(', ')', end_of_file), n)
   Fail: (207) [system] arg(_58624, v('(', ')', end_of_file), n)
^  Fail: (206) [user] is_delimiter(n)
   Call: (206) [system] ')'==n
   Fail: (206) [system] ')'==n
   Call: (206) [system] get_char((0x563acd73bee0), n)
   Exit: (206) [system] get_char((0x563acd73bee0), n)
   Call: (206) [system] n=(\)
   Fail: (206) [system] n=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _65974)
   Call: (207) [system] peek_char((0x563acd73bee0), _66908)
   Exit: (207) [system] peek_char((0x563acd73bee0), d)
^  Call: (207) [user] is_delimiter(d)
   Call: (208) [system] char_type(d, space)
   Fail: (208) [system] char_type(d, space)
   Call: (208) [system] arg(_71628, v('(', ')', end_of_file), d)
   Fail: (208) [system] arg(_72560, v('(', ')', end_of_file), d)
^  Fail: (207) [user] is_delimiter(d)
   Call: (207) [system] ')'==d
   Fail: (207) [system] ')'==d
   Call: (207) [system] get_char((0x563acd73bee0), d)
   Exit: (207) [system] get_char((0x563acd73bee0), d)
   Call: (207) [system] d=(\)
   Fail: (207) [system] d=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _79910)
   Call: (208) [system] peek_char((0x563acd73bee0), _80844)
   Exit: (208) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (208) [user] is_delimiter('L')
   Call: (209) [system] char_type('L', space)
   Fail: (209) [system] char_type('L', space)
   Call: (209) [system] arg(_85564, v('(', ')', end_of_file), 'L')
   Fail: (209) [system] arg(_86496, v('(', ')', end_of_file), 'L')
^  Fail: (208) [user] is_delimiter('L')
   Call: (208) [system] ')'=='L'
   Fail: (208) [system] ')'=='L'
   Call: (208) [system] get_char((0x563acd73bee0), 'L')
   Exit: (208) [system] get_char((0x563acd73bee0), 'L')
   Call: (208) [system] 'L'=(\)
   Fail: (208) [system] 'L'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _93846)
   Call: (209) [system] peek_char((0x563acd73bee0), _94780)
   Exit: (209) [system] peek_char((0x563acd73bee0), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_99500, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_100432, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x563acd73bee0), i)
   Exit: (209) [system] get_char((0x563acd73bee0), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _107782)
   Call: (210) [system] peek_char((0x563acd73bee0), _108716)
   Exit: (210) [system] peek_char((0x563acd73bee0), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Fail: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_113436, v('(', ')', end_of_file), n)
   Fail: (211) [system] arg(_114368, v('(', ')', end_of_file), n)
^  Fail: (210) [user] is_delimiter(n)
   Call: (210) [system] ')'==n
   Fail: (210) [system] ')'==n
   Call: (210) [system] get_char((0x563acd73bee0), n)
   Exit: (210) [system] get_char((0x563acd73bee0), n)
   Call: (210) [system] n=(\)
   Fail: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _121718)
   Call: (211) [system] peek_char((0x563acd73bee0), _122652)
   Exit: (211) [system] peek_char((0x563acd73bee0), k)
^  Call: (211) [user] is_delimiter(k)
   Call: (212) [system] char_type(k, space)
   Fail: (212) [system] char_type(k, space)
   Call: (212) [system] arg(_127372, v('(', ')', end_of_file), k)
   Fail: (212) [system] arg(_128304, v('(', ')', end_of_file), k)
^  Fail: (211) [user] is_delimiter(k)
   Call: (211) [system] ')'==k
   Fail: (211) [system] ')'==k
   Call: (211) [system] get_char((0x563acd73bee0), k)
   Exit: (211) [system] get_char((0x563acd73bee0), k)
   Call: (211) [system] k=(\)
   Fail: (211) [system] k=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _135654)
   Call: (212) [system] peek_char((0x563acd73bee0), _136588)
   Exit: (212) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _135654=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (211) [system] _121718=[k]
   Exit: (211) [system] [k]=[k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (210) [system] _107782=[n, k]
   Exit: (210) [system] [n, k]=[n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (209) [system] _93846=[i, n, k]
   Exit: (209) [system] [i, n, k]=[i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (208) [system] _79910=['L', i, n, k]
   Exit: (208) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (207) [system] _65974=[d, 'L', i, n, k]
   Exit: (207) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, 'L', i, n, k])
   Call: (206) [system] _52038=[n, d, 'L', i, n, k]
   Exit: (206) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, d, 'L', i, n, k])
^  Call: (205) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _16528)
^  Call: (206) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _162636)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_163588, _163590), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _162636), _163570, fail)), '$restore_trace'(_163588, _163590))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_163588, _163590))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _162636), _163570, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(_162636)
   Fail: (207) [system] atomic(_162636)
   Call: (207) [system] atom_chars(_162636, ['A', n, d, 'L', i, n, k])
   Exit: (207) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (206) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (206) [system] integer('AndLink')
   Fail: (206) [system] integer('AndLink')
   Call: (206) [system] _16528='AndLink'
   Exit: (206) [system] 'AndLink'='AndLink'
^  Exit: (205) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (204) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'AndLink')
^  Exit: (203) [user] cont_sexpr(')', (0x563acd73bee0), 'AndLink')
^  Call: (203) [user] read_list(')', (0x563acd73bee0), _177586)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _179444)
   Exit: (205) [system] peek_char((0x563acd73bee0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x563acd73bee0), _189038)
   Exit: (205) [system] get_char((0x563acd73bee0), ' ')
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _191742)
   Exit: (206) [system] peek_char((0x563acd73bee0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _208676)
   Exit: (204) [system] peek_char((0x563acd73bee0), '(')
   Call: (204) [system] '('=')'
   Fail: (204) [system] '('=')'
   Call: (204) [system] '('=end_of_file
   Fail: (204) [system] '('=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x563acd73bee0), _214246)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _216104)
   Exit: (206) [system] peek_char((0x563acd73bee0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] get_char((0x563acd73bee0), _232114)
   Exit: (205) [system] get_char((0x563acd73bee0), '(')
   Call: (205) [system] '('='('
   Exit: (205) [system] '('='('
^  Call: (205) [user] read_list(')', (0x563acd73bee0), _214246)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _237684)
   Exit: (207) [system] peek_char((0x563acd73bee0), 'I')
   Call: (207) [system] 'I'=(;)
   Fail: (207) [system] 'I'=(;)
   Call: (207) [system] 'I'=(/)
   Fail: (207) [system] 'I'=(/)
^  Call: (207) [user] is_like_space('I')
   Call: (208) [system] char_type('I', 'white')
   Fail: (208) [system] char_type('I', 'white')
   Call: (208) [system] char_type('I', end_of_line)
   Fail: (208) [system] char_type('I', end_of_line)
   Call: (208) [system] char_type('I', space)
   Fail: (208) [system] char_type('I', space)
   Call: (208) [system] char_type('I', cntrl)
   Fail: (208) [system] char_type('I', cntrl)
^  Fail: (207) [user] is_like_space('I')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _253694)
   Exit: (206) [system] peek_char((0x563acd73bee0), 'I')
   Call: (206) [system] 'I'=')'
   Fail: (206) [system] 'I'=')'
   Call: (206) [system] 'I'=end_of_file
   Fail: (206) [system] 'I'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x563acd73bee0), _259264)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _261122)
   Exit: (208) [system] peek_char((0x563acd73bee0), 'I')
   Call: (208) [system] 'I'=(;)
   Fail: (208) [system] 'I'=(;)
   Call: (208) [system] 'I'=(/)
   Fail: (208) [system] 'I'=(/)
^  Call: (208) [user] is_like_space('I')
   Call: (209) [system] char_type('I', 'white')
   Fail: (209) [system] char_type('I', 'white')
   Call: (209) [system] char_type('I', end_of_line)
   Fail: (209) [system] char_type('I', end_of_line)
   Call: (209) [system] char_type('I', space)
   Fail: (209) [system] char_type('I', space)
   Call: (209) [system] char_type('I', cntrl)
   Fail: (209) [system] char_type('I', cntrl)
^  Fail: (208) [user] is_like_space('I')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] get_char((0x563acd73bee0), _277132)
   Exit: (207) [system] get_char((0x563acd73bee0), 'I')
   Call: (207) [system] 'I'='('
   Fail: (207) [system] 'I'='('
   Call: (207) [system] 'I'='['
   Fail: (207) [system] 'I'='['
   Call: (207) [system] 'I'='{'
   Fail: (207) [system] 'I'='{'
   Call: (207) [system] 'I'='"'
   Fail: (207) [system] 'I'='"'
   Call: (207) [system] 'I'=!
   Fail: (207) [system] 'I'=!
   Call: (207) [system] 'I'='\''
   Fail: (207) [system] 'I'='\''
   Call: (207) [system] 'I'='`'
   Fail: (207) [system] 'I'='`'
   Call: (207) [system] 'I'=end_of_file
   Fail: (207) [system] 'I'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x563acd73bee0), 'I', _259264)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _294774)
   Call: (209) [system] peek_char((0x563acd73bee0), _295708)
   Exit: (209) [system] peek_char((0x563acd73bee0), m)
^  Call: (209) [user] is_delimiter(m)
   Call: (210) [system] char_type(m, space)
   Fail: (210) [system] char_type(m, space)
   Call: (210) [system] arg(_300428, v('(', ')', end_of_file), m)
   Fail: (210) [system] arg(_301360, v('(', ')', end_of_file), m)
^  Fail: (209) [user] is_delimiter(m)
   Call: (209) [system] ')'==m
   Fail: (209) [system] ')'==m
   Call: (209) [system] get_char((0x563acd73bee0), m)
   Exit: (209) [system] get_char((0x563acd73bee0), m)
   Call: (209) [system] m=(\)
   Fail: (209) [system] m=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _308710)
   Call: (210) [system] peek_char((0x563acd73bee0), _309644)
   Exit: (210) [system] peek_char((0x563acd73bee0), p)
^  Call: (210) [user] is_delimiter(p)
   Call: (211) [system] char_type(p, space)
   Fail: (211) [system] char_type(p, space)
   Call: (211) [system] arg(_314364, v('(', ')', end_of_file), p)
   Fail: (211) [system] arg(_315296, v('(', ')', end_of_file), p)
^  Fail: (210) [user] is_delimiter(p)
   Call: (210) [system] ')'==p
   Fail: (210) [system] ')'==p
   Call: (210) [system] get_char((0x563acd73bee0), p)
   Exit: (210) [system] get_char((0x563acd73bee0), p)
   Call: (210) [system] p=(\)
   Fail: (210) [system] p=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _322646)
   Call: (211) [system] peek_char((0x563acd73bee0), _323580)
   Exit: (211) [system] peek_char((0x563acd73bee0), l)
^  Call: (211) [user] is_delimiter(l)
   Call: (212) [system] char_type(l, space)
   Fail: (212) [system] char_type(l, space)
   Call: (212) [system] arg(_328300, v('(', ')', end_of_file), l)
   Fail: (212) [system] arg(_329232, v('(', ')', end_of_file), l)
^  Fail: (211) [user] is_delimiter(l)
   Call: (211) [system] ')'==l
   Fail: (211) [system] ')'==l
   Call: (211) [system] get_char((0x563acd73bee0), l)
   Exit: (211) [system] get_char((0x563acd73bee0), l)
   Call: (211) [system] l=(\)
   Fail: (211) [system] l=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _336582)
   Call: (212) [system] peek_char((0x563acd73bee0), _337516)
   Exit: (212) [system] peek_char((0x563acd73bee0), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_342236, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_343168, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x563acd73bee0), i)
   Exit: (212) [system] get_char((0x563acd73bee0), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _350518)
   Call: (213) [system] peek_char((0x563acd73bee0), _351452)
   Exit: (213) [system] peek_char((0x563acd73bee0), c)
^  Call: (213) [user] is_delimiter(c)
   Call: (214) [system] char_type(c, space)
   Fail: (214) [system] char_type(c, space)
   Call: (214) [system] arg(_356172, v('(', ')', end_of_file), c)
   Fail: (214) [system] arg(_357104, v('(', ')', end_of_file), c)
^  Fail: (213) [user] is_delimiter(c)
   Call: (213) [system] ')'==c
   Fail: (213) [system] ')'==c
   Call: (213) [system] get_char((0x563acd73bee0), c)
   Exit: (213) [system] get_char((0x563acd73bee0), c)
   Call: (213) [system] c=(\)
   Fail: (213) [system] c=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _364454)
   Call: (214) [system] peek_char((0x563acd73bee0), _365388)
   Exit: (214) [system] peek_char((0x563acd73bee0), a)
^  Call: (214) [user] is_delimiter(a)
   Call: (215) [system] char_type(a, space)
   Fail: (215) [system] char_type(a, space)
   Call: (215) [system] arg(_370108, v('(', ')', end_of_file), a)
   Fail: (215) [system] arg(_371040, v('(', ')', end_of_file), a)
^  Fail: (214) [user] is_delimiter(a)
   Call: (214) [system] ')'==a
   Fail: (214) [system] ')'==a
   Call: (214) [system] get_char((0x563acd73bee0), a)
   Exit: (214) [system] get_char((0x563acd73bee0), a)
   Call: (214) [system] a=(\)
   Fail: (214) [system] a=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _378390)
   Call: (215) [system] peek_char((0x563acd73bee0), _379324)
   Exit: (215) [system] peek_char((0x563acd73bee0), t)
^  Call: (215) [user] is_delimiter(t)
   Call: (216) [system] char_type(t, space)
   Fail: (216) [system] char_type(t, space)
   Call: (216) [system] arg(_384044, v('(', ')', end_of_file), t)
   Fail: (216) [system] arg(_384976, v('(', ')', end_of_file), t)
^  Fail: (215) [user] is_delimiter(t)
   Call: (215) [system] ')'==t
   Fail: (215) [system] ')'==t
   Call: (215) [system] get_char((0x563acd73bee0), t)
   Exit: (215) [system] get_char((0x563acd73bee0), t)
   Call: (215) [system] t=(\)
   Fail: (215) [system] t=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _392326)
   Call: (216) [system] peek_char((0x563acd73bee0), _393260)
   Exit: (216) [system] peek_char((0x563acd73bee0), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Fail: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_397980, v('(', ')', end_of_file), i)
   Fail: (217) [system] arg(_398912, v('(', ')', end_of_file), i)
^  Fail: (216) [user] is_delimiter(i)
   Call: (216) [system] ')'==i
   Fail: (216) [system] ')'==i
   Call: (216) [system] get_char((0x563acd73bee0), i)
   Exit: (216) [system] get_char((0x563acd73bee0), i)
   Call: (216) [system] i=(\)
   Fail: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _406262)
   Call: (217) [system] peek_char((0x563acd73bee0), _407196)
   Exit: (217) [system] peek_char((0x563acd73bee0), o)
^  Call: (217) [user] is_delimiter(o)
   Call: (218) [system] char_type(o, space)
   Fail: (218) [system] char_type(o, space)
   Call: (218) [system] arg(_411916, v('(', ')', end_of_file), o)
   Fail: (218) [system] arg(_412848, v('(', ')', end_of_file), o)
^  Fail: (217) [user] is_delimiter(o)
   Call: (217) [system] ')'==o
   Fail: (217) [system] ')'==o
   Call: (217) [system] get_char((0x563acd73bee0), o)
   Exit: (217) [system] get_char((0x563acd73bee0), o)
   Call: (217) [system] o=(\)
   Fail: (217) [system] o=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _420198)
   Call: (218) [system] peek_char((0x563acd73bee0), _421132)
   Exit: (218) [system] peek_char((0x563acd73bee0), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_425852, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_426784, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x563acd73bee0), n)
   Exit: (218) [system] get_char((0x563acd73bee0), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _434134)
   Call: (219) [system] peek_char((0x563acd73bee0), _435068)
   Exit: (219) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _434134=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (218) [system] _420198=[n]
   Exit: (218) [system] [n]=[n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (217) [system] _406262=[o, n]
   Exit: (217) [system] [o, n]=[o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (216) [system] _392326=[i, o, n]
   Exit: (216) [system] [i, o, n]=[i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (215) [system] _378390=[t, i, o, n]
   Exit: (215) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (214) [system] _364454=[a, t, i, o, n]
   Exit: (214) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (213) [system] _350518=[c, a, t, i, o, n]
   Exit: (213) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (212) [system] _336582=[i, c, a, t, i, o, n]
   Exit: (212) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (211) [system] _322646=[l, i, c, a, t, i, o, n]
   Exit: (211) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (210) [system] _308710=[p, l, i, c, a, t, i, o, n]
   Exit: (210) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (209) [system] _294774=[m, p, l, i, c, a, t, i, o, n]
   Exit: (209) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (208) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _259264)
^  Call: (209) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _472292)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_473244, _473246), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _472292), _473226, fail)), '$restore_trace'(_473244, _473246))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_473244, _473246))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _472292), _473226, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_472292)
   Fail: (210) [system] atomic(_472292)
   Call: (210) [system] atom_chars(_472292, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (210) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (209) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (209) [system] integer('Implication')
   Fail: (209) [system] integer('Implication')
   Call: (209) [system] _259264='Implication'
   Exit: (209) [system] 'Implication'='Implication'
^  Exit: (208) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (207) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (206) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (206) [user] read_list(')', (0x563acd73bee0), _487242)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _489100)
   Exit: (208) [system] peek_char((0x563acd73bee0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x563acd73bee0), _498694)
   Exit: (208) [system] get_char((0x563acd73bee0), ' ')
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _501398)
   Exit: (209) [system] peek_char((0x563acd73bee0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _518332)
   Exit: (207) [system] peek_char((0x563acd73bee0), '(')
   Call: (207) [system] '('=')'
   Fail: (207) [system] '('=')'
   Call: (207) [system] '('=end_of_file
   Fail: (207) [system] '('=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x563acd73bee0), _523902)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _525760)
   Exit: (209) [system] peek_char((0x563acd73bee0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] get_char((0x563acd73bee0), _541770)
   Exit: (208) [system] get_char((0x563acd73bee0), '(')
   Call: (208) [system] '('='('
   Exit: (208) [system] '('='('
^  Call: (208) [user] read_list(')', (0x563acd73bee0), _523902)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _547340)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'O')
   Call: (210) [system] 'O'=(;)
   Fail: (210) [system] 'O'=(;)
   Call: (210) [system] 'O'=(/)
   Fail: (210) [system] 'O'=(/)
^  Call: (210) [user] is_like_space('O')
   Call: (211) [system] char_type('O', 'white')
   Fail: (211) [system] char_type('O', 'white')
   Call: (211) [system] char_type('O', end_of_line)
   Fail: (211) [system] char_type('O', end_of_line)
   Call: (211) [system] char_type('O', space)
   Fail: (211) [system] char_type('O', space)
   Call: (211) [system] char_type('O', cntrl)
   Fail: (211) [system] char_type('O', cntrl)
^  Fail: (210) [user] is_like_space('O')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _563350)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'O')
   Call: (209) [system] 'O'=')'
   Fail: (209) [system] 'O'=')'
   Call: (209) [system] 'O'=end_of_file
   Fail: (209) [system] 'O'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x563acd73bee0), _568920)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _570778)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'O')
   Call: (211) [system] 'O'=(;)
   Fail: (211) [system] 'O'=(;)
   Call: (211) [system] 'O'=(/)
   Fail: (211) [system] 'O'=(/)
^  Call: (211) [user] is_like_space('O')
   Call: (212) [system] char_type('O', 'white')
   Fail: (212) [system] char_type('O', 'white')
   Call: (212) [system] char_type('O', end_of_line)
   Fail: (212) [system] char_type('O', end_of_line)
   Call: (212) [system] char_type('O', space)
   Fail: (212) [system] char_type('O', space)
   Call: (212) [system] char_type('O', cntrl)
   Fail: (212) [system] char_type('O', cntrl)
^  Fail: (211) [user] is_like_space('O')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] get_char((0x563acd73bee0), _586788)
   Exit: (210) [system] get_char((0x563acd73bee0), 'O')
   Call: (210) [system] 'O'='('
   Fail: (210) [system] 'O'='('
   Call: (210) [system] 'O'='['
   Fail: (210) [system] 'O'='['
   Call: (210) [system] 'O'='{'
   Fail: (210) [system] 'O'='{'
   Call: (210) [system] 'O'='"'
   Fail: (210) [system] 'O'='"'
   Call: (210) [system] 'O'=!
   Fail: (210) [system] 'O'=!
   Call: (210) [system] 'O'='\''
   Fail: (210) [system] 'O'='\''
   Call: (210) [system] 'O'='`'
   Fail: (210) [system] 'O'='`'
   Call: (210) [system] 'O'=end_of_file
   Fail: (210) [system] 'O'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x563acd73bee0), 'O', _568920)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _604430)
   Call: (212) [system] peek_char((0x563acd73bee0), _605364)
   Exit: (212) [system] peek_char((0x563acd73bee0), r)
^  Call: (212) [user] is_delimiter(r)
   Call: (213) [system] char_type(r, space)
   Fail: (213) [system] char_type(r, space)
   Call: (213) [system] arg(_610084, v('(', ')', end_of_file), r)
   Fail: (213) [system] arg(_611016, v('(', ')', end_of_file), r)
^  Fail: (212) [user] is_delimiter(r)
   Call: (212) [system] ')'==r
   Fail: (212) [system] ')'==r
   Call: (212) [system] get_char((0x563acd73bee0), r)
   Exit: (212) [system] get_char((0x563acd73bee0), r)
   Call: (212) [system] r=(\)
   Fail: (212) [system] r=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _618366)
   Call: (213) [system] peek_char((0x563acd73bee0), _619300)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (213) [user] is_delimiter('L')
   Call: (214) [system] char_type('L', space)
   Fail: (214) [system] char_type('L', space)
   Call: (214) [system] arg(_624020, v('(', ')', end_of_file), 'L')
   Fail: (214) [system] arg(_624952, v('(', ')', end_of_file), 'L')
^  Fail: (213) [user] is_delimiter('L')
   Call: (213) [system] ')'=='L'
   Fail: (213) [system] ')'=='L'
   Call: (213) [system] get_char((0x563acd73bee0), 'L')
   Exit: (213) [system] get_char((0x563acd73bee0), 'L')
   Call: (213) [system] 'L'=(\)
   Fail: (213) [system] 'L'=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _632302)
   Call: (214) [system] peek_char((0x563acd73bee0), _633236)
   Exit: (214) [system] peek_char((0x563acd73bee0), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Fail: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_637956, v('(', ')', end_of_file), i)
   Fail: (215) [system] arg(_638888, v('(', ')', end_of_file), i)
^  Fail: (214) [user] is_delimiter(i)
   Call: (214) [system] ')'==i
   Fail: (214) [system] ')'==i
   Call: (214) [system] get_char((0x563acd73bee0), i)
   Exit: (214) [system] get_char((0x563acd73bee0), i)
   Call: (214) [system] i=(\)
   Fail: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _646238)
   Call: (215) [system] peek_char((0x563acd73bee0), _647172)
   Exit: (215) [system] peek_char((0x563acd73bee0), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_651892, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_652824, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x563acd73bee0), n)
   Exit: (215) [system] get_char((0x563acd73bee0), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _660174)
   Call: (216) [system] peek_char((0x563acd73bee0), _661108)
   Exit: (216) [system] peek_char((0x563acd73bee0), k)
^  Call: (216) [user] is_delimiter(k)
   Call: (217) [system] char_type(k, space)
   Fail: (217) [system] char_type(k, space)
   Call: (217) [system] arg(_665828, v('(', ')', end_of_file), k)
   Fail: (217) [system] arg(_666760, v('(', ')', end_of_file), k)
^  Fail: (216) [user] is_delimiter(k)
   Call: (216) [system] ')'==k
   Fail: (216) [system] ')'==k
   Call: (216) [system] get_char((0x563acd73bee0), k)
   Exit: (216) [system] get_char((0x563acd73bee0), k)
   Call: (216) [system] k=(\)
   Fail: (216) [system] k=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _674110)
   Call: (217) [system] peek_char((0x563acd73bee0), _675044)
   Exit: (217) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _674110=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (216) [system] _660174=[k]
   Exit: (216) [system] [k]=[k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (215) [system] _646238=[n, k]
   Exit: (215) [system] [n, k]=[n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (214) [system] _632302=[i, n, k]
   Exit: (214) [system] [i, n, k]=[i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (213) [system] _618366=['L', i, n, k]
   Exit: (213) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (212) [system] _604430=[r, 'L', i, n, k]
   Exit: (212) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (211) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _568920)
^  Call: (212) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _698298)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_699250, _699252), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _698298), _699232, fail)), '$restore_trace'(_699250, _699252))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_699250, _699252))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _698298), _699232, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_698298)
   Fail: (213) [system] atomic(_698298)
   Call: (213) [system] atom_chars(_698298, ['O', r, 'L', i, n, k])
   Exit: (213) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (212) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (212) [system] integer('OrLink')
   Fail: (212) [system] integer('OrLink')
   Call: (212) [system] _568920='OrLink'
   Exit: (212) [system] 'OrLink'='OrLink'
^  Exit: (211) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (210) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (209) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (209) [user] read_list(')', (0x563acd73bee0), _713248)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _715106)
   Exit: (211) [system] peek_char((0x563acd73bee0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x563acd73bee0), _724700)
   Exit: (211) [system] get_char((0x563acd73bee0), ' ')
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _727404)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'C')
   Call: (212) [system] 'C'=(;)
   Fail: (212) [system] 'C'=(;)
   Call: (212) [system] 'C'=(/)
   Fail: (212) [system] 'C'=(/)
^  Call: (212) [user] is_like_space('C')
   Call: (213) [system] char_type('C', 'white')
   Fail: (213) [system] char_type('C', 'white')
   Call: (213) [system] char_type('C', end_of_line)
   Fail: (213) [system] char_type('C', end_of_line)
   Call: (213) [system] char_type('C', space)
   Fail: (213) [system] char_type('C', space)
   Call: (213) [system] char_type('C', cntrl)
   Fail: (213) [system] char_type('C', cntrl)
^  Fail: (212) [user] is_like_space('C')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _744338)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'C')
   Call: (210) [system] 'C'=')'
   Fail: (210) [system] 'C'=')'
   Call: (210) [system] 'C'=end_of_file
   Fail: (210) [system] 'C'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x563acd73bee0), _749908)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _751766)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'C')
   Call: (212) [system] 'C'=(;)
   Fail: (212) [system] 'C'=(;)
   Call: (212) [system] 'C'=(/)
   Fail: (212) [system] 'C'=(/)
^  Call: (212) [user] is_like_space('C')
   Call: (213) [system] char_type('C', 'white')
   Fail: (213) [system] char_type('C', 'white')
   Call: (213) [system] char_type('C', end_of_line)
   Fail: (213) [system] char_type('C', end_of_line)
   Call: (213) [system] char_type('C', space)
   Fail: (213) [system] char_type('C', space)
   Call: (213) [system] char_type('C', cntrl)
   Fail: (213) [system] char_type('C', cntrl)
^  Fail: (212) [user] is_like_space('C')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] get_char((0x563acd73bee0), _767776)
   Exit: (211) [system] get_char((0x563acd73bee0), 'C')
   Call: (211) [system] 'C'='('
   Fail: (211) [system] 'C'='('
   Call: (211) [system] 'C'='['
   Fail: (211) [system] 'C'='['
   Call: (211) [system] 'C'='{'
   Fail: (211) [system] 'C'='{'
   Call: (211) [system] 'C'='"'
   Fail: (211) [system] 'C'='"'
   Call: (211) [system] 'C'=!
   Fail: (211) [system] 'C'=!
   Call: (211) [system] 'C'='\''
   Fail: (211) [system] 'C'='\''
   Call: (211) [system] 'C'='`'
   Fail: (211) [system] 'C'='`'
   Call: (211) [system] 'C'=end_of_file
   Fail: (211) [system] 'C'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x563acd73bee0), 'C', _749908)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _785418)
   Call: (213) [system] peek_char((0x563acd73bee0), _786352)
   Exit: (213) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (213) [user] is_delimiter(' ')
   Call: (214) [system] char_type(' ', space)
   Exit: (214) [system] char_type(' ', space)
^  Exit: (213) [user] is_delimiter(' ')
   Call: (213) [system] _785418=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (212) [user] classify_and_convert_charseq(['C'], _749908)
^  Call: (213) [user] classify_and_convert_charseq_(['C'], _795636)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_796588, _796590), once(user:catch(read_from_chars(['C'], _795636), _796570, fail)), '$restore_trace'(_796588, _796590))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_796588, _796590))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _795636), _796570, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_795636)
   Fail: (214) [system] atomic(_795636)
   Call: (214) [system] atom_chars(_795636, ['C'])
   Exit: (214) [system] atom_chars('C', ['C'])
^  Exit: (213) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (213) [system] integer('C')
   Fail: (213) [system] integer('C')
   Call: (213) [system] _749908='C'
   Exit: (213) [system] 'C'='C'
^  Exit: (212) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (211) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (210) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (210) [user] read_list(')', (0x563acd73bee0), _810586)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _812444)
   Exit: (212) [system] peek_char((0x563acd73bee0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x563acd73bee0), _822038)
   Exit: (212) [system] get_char((0x563acd73bee0), ' ')
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _824742)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'D')
   Call: (213) [system] 'D'=(;)
   Fail: (213) [system] 'D'=(;)
   Call: (213) [system] 'D'=(/)
   Fail: (213) [system] 'D'=(/)
^  Call: (213) [user] is_like_space('D')
   Call: (214) [system] char_type('D', 'white')
   Fail: (214) [system] char_type('D', 'white')
   Call: (214) [system] char_type('D', end_of_line)
   Fail: (214) [system] char_type('D', end_of_line)
   Call: (214) [system] char_type('D', space)
   Fail: (214) [system] char_type('D', space)
   Call: (214) [system] char_type('D', cntrl)
   Fail: (214) [system] char_type('D', cntrl)
^  Fail: (213) [user] is_like_space('D')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _841676)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'D')
   Call: (211) [system] 'D'=')'
   Fail: (211) [system] 'D'=')'
   Call: (211) [system] 'D'=end_of_file
   Fail: (211) [system] 'D'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x563acd73bee0), _847246)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _849104)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'D')
   Call: (213) [system] 'D'=(;)
   Fail: (213) [system] 'D'=(;)
   Call: (213) [system] 'D'=(/)
   Fail: (213) [system] 'D'=(/)
^  Call: (213) [user] is_like_space('D')
   Call: (214) [system] char_type('D', 'white')
   Fail: (214) [system] char_type('D', 'white')
   Call: (214) [system] char_type('D', end_of_line)
   Fail: (214) [system] char_type('D', end_of_line)
   Call: (214) [system] char_type('D', space)
   Fail: (214) [system] char_type('D', space)
   Call: (214) [system] char_type('D', cntrl)
   Fail: (214) [system] char_type('D', cntrl)
^  Fail: (213) [user] is_like_space('D')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] get_char((0x563acd73bee0), _865114)
   Exit: (212) [system] get_char((0x563acd73bee0), 'D')
   Call: (212) [system] 'D'='('
   Fail: (212) [system] 'D'='('
   Call: (212) [system] 'D'='['
   Fail: (212) [system] 'D'='['
   Call: (212) [system] 'D'='{'
   Fail: (212) [system] 'D'='{'
   Call: (212) [system] 'D'='"'
   Fail: (212) [system] 'D'='"'
   Call: (212) [system] 'D'=!
   Fail: (212) [system] 'D'=!
   Call: (212) [system] 'D'='\''
   Fail: (212) [system] 'D'='\''
   Call: (212) [system] 'D'='`'
   Fail: (212) [system] 'D'='`'
   Call: (212) [system] 'D'=end_of_file
   Fail: (212) [system] 'D'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x563acd73bee0), 'D', _847246)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _882756)
   Call: (214) [system] peek_char((0x563acd73bee0), _883690)
   Exit: (214) [system] peek_char((0x563acd73bee0), ')')
^  Call: (214) [user] is_delimiter(')')
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] arg(_888410, v('(', ')', end_of_file), ')')
   Exit: (215) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (214) [user] is_delimiter(')')
   Call: (214) [system] _882756=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (213) [user] classify_and_convert_charseq(['D'], _847246)
^  Call: (214) [user] classify_and_convert_charseq_(['D'], _894846)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_895798, _895800), once(user:catch(read_from_chars(['D'], _894846), _895780, fail)), '$restore_trace'(_895798, _895800))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_895798, _895800))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _894846), _895780, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_894846)
   Fail: (215) [system] atomic(_894846)
   Call: (215) [system] atom_chars(_894846, ['D'])
   Exit: (215) [system] atom_chars('D', ['D'])
^  Exit: (214) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (214) [system] integer('D')
   Fail: (214) [system] integer('D')
   Call: (214) [system] _847246='D'
   Exit: (214) [system] 'D'='D'
^  Exit: (213) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (212) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'D')
^  Exit: (211) [user] cont_sexpr(')', (0x563acd73bee0), 'D')
^  Call: (211) [user] read_list(')', (0x563acd73bee0), _909796)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _911654)
   Exit: (213) [system] peek_char((0x563acd73bee0), ')')
   Call: (213) [system] ')'=(;)
   Fail: (213) [system] ')'=(;)
   Call: (213) [system] ')'=(/)
   Fail: (213) [system] ')'=(/)
^  Call: (213) [user] is_like_space(')')
   Call: (214) [system] char_type(')', 'white')
   Fail: (214) [system] char_type(')', 'white')
   Call: (214) [system] char_type(')', end_of_line)
   Fail: (214) [system] char_type(')', end_of_line)
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] char_type(')', cntrl)
   Fail: (214) [system] char_type(')', cntrl)
^  Fail: (213) [user] is_like_space(')')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _927664)
   Exit: (212) [system] peek_char((0x563acd73bee0), ')')
   Call: (212) [system] ')'=')'
   Exit: (212) [system] ')'=')'
   Call: (212) [system] get_char((0x563acd73bee0), _931454)
   Exit: (212) [system] get_char((0x563acd73bee0), ')')
   Call: (212) [system] _909796=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_list(')', (0x563acd73bee0), [])
   Call: (211) [system] _810586=['D']
   Exit: (211) [system] ['D']=['D']
^  Exit: (210) [user] read_list(')', (0x563acd73bee0), ['D'])
   Call: (210) [system] _713248=['C', 'D']
   Exit: (210) [system] ['C', 'D']=['C', 'D']
^  Exit: (209) [user] read_list(')', (0x563acd73bee0), ['C', 'D'])
   Call: (209) [system] _523902=['OrLink', 'C', 'D']
   Exit: (209) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (208) [user] read_list(')', (0x563acd73bee0), ['OrLink', 'C', 'D'])
^  Exit: (207) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', 'C', 'D'])
^  Call: (207) [user] read_list(')', (0x563acd73bee0), _945336)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _947194)
   Exit: (209) [system] peek_char((0x563acd73bee0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x563acd73bee0), _956788)
   Exit: (209) [system] get_char((0x563acd73bee0), ' ')
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _959492)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'E')
   Call: (210) [system] 'E'=(;)
   Fail: (210) [system] 'E'=(;)
   Call: (210) [system] 'E'=(/)
   Fail: (210) [system] 'E'=(/)
^  Call: (210) [user] is_like_space('E')
   Call: (211) [system] char_type('E', 'white')
   Fail: (211) [system] char_type('E', 'white')
   Call: (211) [system] char_type('E', end_of_line)
   Fail: (211) [system] char_type('E', end_of_line)
   Call: (211) [system] char_type('E', space)
   Fail: (211) [system] char_type('E', space)
   Call: (211) [system] char_type('E', cntrl)
   Fail: (211) [system] char_type('E', cntrl)
^  Fail: (210) [user] is_like_space('E')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _976426)
   Exit: (208) [system] peek_char((0x563acd73bee0), 'E')
   Call: (208) [system] 'E'=')'
   Fail: (208) [system] 'E'=')'
   Call: (208) [system] 'E'=end_of_file
   Fail: (208) [system] 'E'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x563acd73bee0), _981996)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _983854)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'E')
   Call: (210) [system] 'E'=(;)
   Fail: (210) [system] 'E'=(;)
   Call: (210) [system] 'E'=(/)
   Fail: (210) [system] 'E'=(/)
^  Call: (210) [user] is_like_space('E')
   Call: (211) [system] char_type('E', 'white')
   Fail: (211) [system] char_type('E', 'white')
   Call: (211) [system] char_type('E', end_of_line)
   Fail: (211) [system] char_type('E', end_of_line)
   Call: (211) [system] char_type('E', space)
   Fail: (211) [system] char_type('E', space)
   Call: (211) [system] char_type('E', cntrl)
   Fail: (211) [system] char_type('E', cntrl)
^  Fail: (210) [user] is_like_space('E')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] get_char((0x563acd73bee0), _999864)
   Exit: (209) [system] get_char((0x563acd73bee0), 'E')
   Call: (209) [system] 'E'='('
   Fail: (209) [system] 'E'='('
   Call: (209) [system] 'E'='['
   Fail: (209) [system] 'E'='['
   Call: (209) [system] 'E'='{'
   Fail: (209) [system] 'E'='{'
   Call: (209) [system] 'E'='"'
   Fail: (209) [system] 'E'='"'
   Call: (209) [system] 'E'=!
   Fail: (209) [system] 'E'=!
   Call: (209) [system] 'E'='\''
   Fail: (209) [system] 'E'='\''
   Call: (209) [system] 'E'='`'
   Fail: (209) [system] 'E'='`'
   Call: (209) [system] 'E'=end_of_file
   Fail: (209) [system] 'E'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x563acd73bee0), 'E', _981996)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1017506)
   Call: (211) [system] peek_char((0x563acd73bee0), _1018440)
   Exit: (211) [system] peek_char((0x563acd73bee0), ')')
^  Call: (211) [user] is_delimiter(')')
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] arg(_1023160, v('(', ')', end_of_file), ')')
   Exit: (212) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (211) [user] is_delimiter(')')
   Call: (211) [system] _1017506=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (210) [user] classify_and_convert_charseq(['E'], _981996)
^  Call: (211) [user] classify_and_convert_charseq_(['E'], _1029596)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_1030548, _1030550), once(user:catch(read_from_chars(['E'], _1029596), _1030530, fail)), '$restore_trace'(_1030548, _1030550))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_1030548, _1030550))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1029596), _1030530, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_1029596)
   Fail: (212) [system] atomic(_1029596)
   Call: (212) [system] atom_chars(_1029596, ['E'])
   Exit: (212) [system] atom_chars('E', ['E'])
^  Exit: (211) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (211) [system] integer('E')
   Fail: (211) [system] integer('E')
   Call: (211) [system] _981996='E'
   Exit: (211) [system] 'E'='E'
^  Exit: (210) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (209) [user] read_symbolic(')', (0x563acd73bee0), 'E', 'E')
^  Exit: (208) [user] cont_sexpr(')', (0x563acd73bee0), 'E')
^  Call: (208) [user] read_list(')', (0x563acd73bee0), _1044546)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1046404)
   Exit: (210) [system] peek_char((0x563acd73bee0), ')')
   Call: (210) [system] ')'=(;)
   Fail: (210) [system] ')'=(;)
   Call: (210) [system] ')'=(/)
   Fail: (210) [system] ')'=(/)
^  Call: (210) [user] is_like_space(')')
   Call: (211) [system] char_type(')', 'white')
   Fail: (211) [system] char_type(')', 'white')
   Call: (211) [system] char_type(')', end_of_line)
   Fail: (211) [system] char_type(')', end_of_line)
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] char_type(')', cntrl)
   Fail: (211) [system] char_type(')', cntrl)
^  Fail: (210) [user] is_like_space(')')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1062414)
   Exit: (209) [system] peek_char((0x563acd73bee0), ')')
   Call: (209) [system] ')'=')'
   Exit: (209) [system] ')'=')'
   Call: (209) [system] get_char((0x563acd73bee0), _1066204)
   Exit: (209) [system] get_char((0x563acd73bee0), ')')
   Call: (209) [system] _1044546=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_list(')', (0x563acd73bee0), [])
   Call: (208) [system] _945336=['E']
   Exit: (208) [system] ['E']=['E']
^  Exit: (207) [user] read_list(')', (0x563acd73bee0), ['E'])
   Call: (207) [system] _487242=[['OrLink', 'C', 'D'], 'E']
   Exit: (207) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (206) [user] read_list(')', (0x563acd73bee0), [['OrLink', 'C', 'D'], 'E'])
   Call: (206) [system] _214246=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (206) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (205) [user] read_list(')', (0x563acd73bee0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (204) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (204) [user] read_list(')', (0x563acd73bee0), _1080086)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1081944)
   Exit: (206) [system] peek_char((0x563acd73bee0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
   Call: (206) [system] ' '=(/)
   Fail: (206) [system] ' '=(/)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x563acd73bee0), _1091538)
   Exit: (206) [system] get_char((0x563acd73bee0), ' ')
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1094242)
   Exit: (207) [system] peek_char((0x563acd73bee0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1111176)
   Exit: (205) [system] peek_char((0x563acd73bee0), '(')
   Call: (205) [system] '('=')'
   Fail: (205) [system] '('=')'
   Call: (205) [system] '('=end_of_file
   Fail: (205) [system] '('=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x563acd73bee0), _1116746)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1118604)
   Exit: (207) [system] peek_char((0x563acd73bee0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] get_char((0x563acd73bee0), _1134614)
   Exit: (206) [system] get_char((0x563acd73bee0), '(')
   Call: (206) [system] '('='('
   Exit: (206) [system] '('='('
^  Call: (206) [user] read_list(')', (0x563acd73bee0), _1116746)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1140184)
   Exit: (208) [system] peek_char((0x563acd73bee0), 'I')
   Call: (208) [system] 'I'=(;)
   Fail: (208) [system] 'I'=(;)
   Call: (208) [system] 'I'=(/)
   Fail: (208) [system] 'I'=(/)
^  Call: (208) [user] is_like_space('I')
   Call: (209) [system] char_type('I', 'white')
   Fail: (209) [system] char_type('I', 'white')
   Call: (209) [system] char_type('I', end_of_line)
   Fail: (209) [system] char_type('I', end_of_line)
   Call: (209) [system] char_type('I', space)
   Fail: (209) [system] char_type('I', space)
   Call: (209) [system] char_type('I', cntrl)
   Fail: (209) [system] char_type('I', cntrl)
^  Fail: (208) [user] is_like_space('I')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1156194)
   Exit: (207) [system] peek_char((0x563acd73bee0), 'I')
   Call: (207) [system] 'I'=')'
   Fail: (207) [system] 'I'=')'
   Call: (207) [system] 'I'=end_of_file
   Fail: (207) [system] 'I'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x563acd73bee0), _1161764)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1163622)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'I')
   Call: (209) [system] 'I'=(;)
   Fail: (209) [system] 'I'=(;)
   Call: (209) [system] 'I'=(/)
   Fail: (209) [system] 'I'=(/)
^  Call: (209) [user] is_like_space('I')
   Call: (210) [system] char_type('I', 'white')
   Fail: (210) [system] char_type('I', 'white')
   Call: (210) [system] char_type('I', end_of_line)
   Fail: (210) [system] char_type('I', end_of_line)
   Call: (210) [system] char_type('I', space)
   Fail: (210) [system] char_type('I', space)
   Call: (210) [system] char_type('I', cntrl)
   Fail: (210) [system] char_type('I', cntrl)
^  Fail: (209) [user] is_like_space('I')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] get_char((0x563acd73bee0), _1179632)
   Exit: (208) [system] get_char((0x563acd73bee0), 'I')
   Call: (208) [system] 'I'='('
   Fail: (208) [system] 'I'='('
   Call: (208) [system] 'I'='['
   Fail: (208) [system] 'I'='['
   Call: (208) [system] 'I'='{'
   Fail: (208) [system] 'I'='{'
   Call: (208) [system] 'I'='"'
   Fail: (208) [system] 'I'='"'
   Call: (208) [system] 'I'=!
   Fail: (208) [system] 'I'=!
   Call: (208) [system] 'I'='\''
   Fail: (208) [system] 'I'='\''
   Call: (208) [system] 'I'='`'
   Fail: (208) [system] 'I'='`'
   Call: (208) [system] 'I'=end_of_file
   Fail: (208) [system] 'I'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x563acd73bee0), 'I', _1161764)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1197274)
   Call: (210) [system] peek_char((0x563acd73bee0), _1198208)
   Exit: (210) [system] peek_char((0x563acd73bee0), m)
^  Call: (210) [user] is_delimiter(m)
   Call: (211) [system] char_type(m, space)
   Fail: (211) [system] char_type(m, space)
   Call: (211) [system] arg(_1202928, v('(', ')', end_of_file), m)
   Fail: (211) [system] arg(_1203860, v('(', ')', end_of_file), m)
^  Fail: (210) [user] is_delimiter(m)
   Call: (210) [system] ')'==m
   Fail: (210) [system] ')'==m
   Call: (210) [system] get_char((0x563acd73bee0), m)
   Exit: (210) [system] get_char((0x563acd73bee0), m)
   Call: (210) [system] m=(\)
   Fail: (210) [system] m=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1211210)
   Call: (211) [system] peek_char((0x563acd73bee0), _1212144)
   Exit: (211) [system] peek_char((0x563acd73bee0), p)
^  Call: (211) [user] is_delimiter(p)
   Call: (212) [system] char_type(p, space)
   Fail: (212) [system] char_type(p, space)
   Call: (212) [system] arg(_1216864, v('(', ')', end_of_file), p)
   Fail: (212) [system] arg(_1217796, v('(', ')', end_of_file), p)
^  Fail: (211) [user] is_delimiter(p)
   Call: (211) [system] ')'==p
   Fail: (211) [system] ')'==p
   Call: (211) [system] get_char((0x563acd73bee0), p)
   Exit: (211) [system] get_char((0x563acd73bee0), p)
   Call: (211) [system] p=(\)
   Fail: (211) [system] p=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1225146)
   Call: (212) [system] peek_char((0x563acd73bee0), _1226080)
   Exit: (212) [system] peek_char((0x563acd73bee0), l)
^  Call: (212) [user] is_delimiter(l)
   Call: (213) [system] char_type(l, space)
   Fail: (213) [system] char_type(l, space)
   Call: (213) [system] arg(_1230800, v('(', ')', end_of_file), l)
   Fail: (213) [system] arg(_1231732, v('(', ')', end_of_file), l)
^  Fail: (212) [user] is_delimiter(l)
   Call: (212) [system] ')'==l
   Fail: (212) [system] ')'==l
   Call: (212) [system] get_char((0x563acd73bee0), l)
   Exit: (212) [system] get_char((0x563acd73bee0), l)
   Call: (212) [system] l=(\)
   Fail: (212) [system] l=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _1239082)
   Call: (213) [system] peek_char((0x563acd73bee0), _1240016)
   Exit: (213) [system] peek_char((0x563acd73bee0), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Fail: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_1244736, v('(', ')', end_of_file), i)
   Fail: (214) [system] arg(_1245668, v('(', ')', end_of_file), i)
^  Fail: (213) [user] is_delimiter(i)
   Call: (213) [system] ')'==i
   Fail: (213) [system] ')'==i
   Call: (213) [system] get_char((0x563acd73bee0), i)
   Exit: (213) [system] get_char((0x563acd73bee0), i)
   Call: (213) [system] i=(\)
   Fail: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _1253018)
   Call: (214) [system] peek_char((0x563acd73bee0), _1253952)
   Exit: (214) [system] peek_char((0x563acd73bee0), c)
^  Call: (214) [user] is_delimiter(c)
   Call: (215) [system] char_type(c, space)
   Fail: (215) [system] char_type(c, space)
   Call: (215) [system] arg(_1258672, v('(', ')', end_of_file), c)
   Fail: (215) [system] arg(_1259604, v('(', ')', end_of_file), c)
^  Fail: (214) [user] is_delimiter(c)
   Call: (214) [system] ')'==c
   Fail: (214) [system] ')'==c
   Call: (214) [system] get_char((0x563acd73bee0), c)
   Exit: (214) [system] get_char((0x563acd73bee0), c)
   Call: (214) [system] c=(\)
   Fail: (214) [system] c=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _1266954)
   Call: (215) [system] peek_char((0x563acd73bee0), _1267888)
   Exit: (215) [system] peek_char((0x563acd73bee0), a)
^  Call: (215) [user] is_delimiter(a)
   Call: (216) [system] char_type(a, space)
   Fail: (216) [system] char_type(a, space)
   Call: (216) [system] arg(_1272608, v('(', ')', end_of_file), a)
   Fail: (216) [system] arg(_1273540, v('(', ')', end_of_file), a)
^  Fail: (215) [user] is_delimiter(a)
   Call: (215) [system] ')'==a
   Fail: (215) [system] ')'==a
   Call: (215) [system] get_char((0x563acd73bee0), a)
   Exit: (215) [system] get_char((0x563acd73bee0), a)
   Call: (215) [system] a=(\)
   Fail: (215) [system] a=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _1280890)
   Call: (216) [system] peek_char((0x563acd73bee0), _1281824)
   Exit: (216) [system] peek_char((0x563acd73bee0), t)
^  Call: (216) [user] is_delimiter(t)
   Call: (217) [system] char_type(t, space)
   Fail: (217) [system] char_type(t, space)
   Call: (217) [system] arg(_1286544, v('(', ')', end_of_file), t)
   Fail: (217) [system] arg(_1287476, v('(', ')', end_of_file), t)
^  Fail: (216) [user] is_delimiter(t)
   Call: (216) [system] ')'==t
   Fail: (216) [system] ')'==t
   Call: (216) [system] get_char((0x563acd73bee0), t)
   Exit: (216) [system] get_char((0x563acd73bee0), t)
   Call: (216) [system] t=(\)
   Fail: (216) [system] t=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _1294826)
   Call: (217) [system] peek_char((0x563acd73bee0), _1295760)
   Exit: (217) [system] peek_char((0x563acd73bee0), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_1300480, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_1301412, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x563acd73bee0), i)
   Exit: (217) [system] get_char((0x563acd73bee0), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _1308762)
   Call: (218) [system] peek_char((0x563acd73bee0), _1309696)
   Exit: (218) [system] peek_char((0x563acd73bee0), o)
^  Call: (218) [user] is_delimiter(o)
   Call: (219) [system] char_type(o, space)
   Fail: (219) [system] char_type(o, space)
   Call: (219) [system] arg(_1314416, v('(', ')', end_of_file), o)
   Fail: (219) [system] arg(_1315348, v('(', ')', end_of_file), o)
^  Fail: (218) [user] is_delimiter(o)
   Call: (218) [system] ')'==o
   Fail: (218) [system] ')'==o
   Call: (218) [system] get_char((0x563acd73bee0), o)
   Exit: (218) [system] get_char((0x563acd73bee0), o)
   Call: (218) [system] o=(\)
   Fail: (218) [system] o=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _1322698)
   Call: (219) [system] peek_char((0x563acd73bee0), _1323632)
   Exit: (219) [system] peek_char((0x563acd73bee0), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_1328352, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_1329284, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x563acd73bee0), n)
   Exit: (219) [system] get_char((0x563acd73bee0), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _1336634)
   Call: (220) [system] peek_char((0x563acd73bee0), _1337568)
   Exit: (220) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _1336634=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (219) [system] _1322698=[n]
   Exit: (219) [system] [n]=[n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (218) [system] _1308762=[o, n]
   Exit: (218) [system] [o, n]=[o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (217) [system] _1294826=[i, o, n]
   Exit: (217) [system] [i, o, n]=[i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (216) [system] _1280890=[t, i, o, n]
   Exit: (216) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (215) [system] _1266954=[a, t, i, o, n]
   Exit: (215) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (214) [system] _1253018=[c, a, t, i, o, n]
   Exit: (214) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (213) [system] _1239082=[i, c, a, t, i, o, n]
   Exit: (213) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (212) [system] _1225146=[l, i, c, a, t, i, o, n]
   Exit: (212) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (211) [system] _1211210=[p, l, i, c, a, t, i, o, n]
   Exit: (211) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (210) [system] _1197274=[m, p, l, i, c, a, t, i, o, n]
   Exit: (210) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (209) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1161764)
^  Call: (210) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1374792)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1375744, _1375746), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1374792), _1375726, fail)), '$restore_trace'(_1375744, _1375746))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1375744, _1375746))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1374792), _1375726, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_1374792)
   Fail: (211) [system] atomic(_1374792)
   Call: (211) [system] atom_chars(_1374792, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (211) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (210) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (210) [system] integer('Implication')
   Fail: (210) [system] integer('Implication')
   Call: (210) [system] _1161764='Implication'
   Exit: (210) [system] 'Implication'='Implication'
^  Exit: (209) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (208) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (207) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (207) [user] read_list(')', (0x563acd73bee0), _1389742)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1391600)
   Exit: (209) [system] peek_char((0x563acd73bee0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x563acd73bee0), _1401194)
   Exit: (209) [system] get_char((0x563acd73bee0), ' ')
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1403898)
   Exit: (210) [system] peek_char((0x563acd73bee0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1420832)
   Exit: (208) [system] peek_char((0x563acd73bee0), '(')
   Call: (208) [system] '('=')'
   Fail: (208) [system] '('=')'
   Call: (208) [system] '('=end_of_file
   Fail: (208) [system] '('=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x563acd73bee0), _1426402)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1428260)
   Exit: (210) [system] peek_char((0x563acd73bee0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] get_char((0x563acd73bee0), _1444270)
   Exit: (209) [system] get_char((0x563acd73bee0), '(')
   Call: (209) [system] '('='('
   Exit: (209) [system] '('='('
^  Call: (209) [user] read_list(')', (0x563acd73bee0), _1426402)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1449840)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'A')
   Call: (211) [system] 'A'=(;)
   Fail: (211) [system] 'A'=(;)
   Call: (211) [system] 'A'=(/)
   Fail: (211) [system] 'A'=(/)
^  Call: (211) [user] is_like_space('A')
   Call: (212) [system] char_type('A', 'white')
   Fail: (212) [system] char_type('A', 'white')
   Call: (212) [system] char_type('A', end_of_line)
   Fail: (212) [system] char_type('A', end_of_line)
   Call: (212) [system] char_type('A', space)
   Fail: (212) [system] char_type('A', space)
   Call: (212) [system] char_type('A', cntrl)
   Fail: (212) [system] char_type('A', cntrl)
^  Fail: (211) [user] is_like_space('A')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1465850)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'A')
   Call: (210) [system] 'A'=')'
   Fail: (210) [system] 'A'=')'
   Call: (210) [system] 'A'=end_of_file
   Fail: (210) [system] 'A'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x563acd73bee0), _1471420)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1473278)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'A')
   Call: (212) [system] 'A'=(;)
   Fail: (212) [system] 'A'=(;)
   Call: (212) [system] 'A'=(/)
   Fail: (212) [system] 'A'=(/)
^  Call: (212) [user] is_like_space('A')
   Call: (213) [system] char_type('A', 'white')
   Fail: (213) [system] char_type('A', 'white')
   Call: (213) [system] char_type('A', end_of_line)
   Fail: (213) [system] char_type('A', end_of_line)
   Call: (213) [system] char_type('A', space)
   Fail: (213) [system] char_type('A', space)
   Call: (213) [system] char_type('A', cntrl)
   Fail: (213) [system] char_type('A', cntrl)
^  Fail: (212) [user] is_like_space('A')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] get_char((0x563acd73bee0), _1489288)
   Exit: (211) [system] get_char((0x563acd73bee0), 'A')
   Call: (211) [system] 'A'='('
   Fail: (211) [system] 'A'='('
   Call: (211) [system] 'A'='['
   Fail: (211) [system] 'A'='['
   Call: (211) [system] 'A'='{'
   Fail: (211) [system] 'A'='{'
   Call: (211) [system] 'A'='"'
   Fail: (211) [system] 'A'='"'
   Call: (211) [system] 'A'=!
   Fail: (211) [system] 'A'=!
   Call: (211) [system] 'A'='\''
   Fail: (211) [system] 'A'='\''
   Call: (211) [system] 'A'='`'
   Fail: (211) [system] 'A'='`'
   Call: (211) [system] 'A'=end_of_file
   Fail: (211) [system] 'A'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x563acd73bee0), 'A', _1471420)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _1506930)
   Call: (213) [system] peek_char((0x563acd73bee0), _1507864)
   Exit: (213) [system] peek_char((0x563acd73bee0), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_1512584, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_1513516, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x563acd73bee0), n)
   Exit: (213) [system] get_char((0x563acd73bee0), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _1520866)
   Call: (214) [system] peek_char((0x563acd73bee0), _1521800)
   Exit: (214) [system] peek_char((0x563acd73bee0), d)
^  Call: (214) [user] is_delimiter(d)
   Call: (215) [system] char_type(d, space)
   Fail: (215) [system] char_type(d, space)
   Call: (215) [system] arg(_1526520, v('(', ')', end_of_file), d)
   Fail: (215) [system] arg(_1527452, v('(', ')', end_of_file), d)
^  Fail: (214) [user] is_delimiter(d)
   Call: (214) [system] ')'==d
   Fail: (214) [system] ')'==d
   Call: (214) [system] get_char((0x563acd73bee0), d)
   Exit: (214) [system] get_char((0x563acd73bee0), d)
   Call: (214) [system] d=(\)
   Fail: (214) [system] d=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _1534802)
   Call: (215) [system] peek_char((0x563acd73bee0), _1535736)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (215) [user] is_delimiter('L')
   Call: (216) [system] char_type('L', space)
   Fail: (216) [system] char_type('L', space)
   Call: (216) [system] arg(_1540456, v('(', ')', end_of_file), 'L')
   Fail: (216) [system] arg(_1541388, v('(', ')', end_of_file), 'L')
^  Fail: (215) [user] is_delimiter('L')
   Call: (215) [system] ')'=='L'
   Fail: (215) [system] ')'=='L'
   Call: (215) [system] get_char((0x563acd73bee0), 'L')
   Exit: (215) [system] get_char((0x563acd73bee0), 'L')
   Call: (215) [system] 'L'=(\)
   Fail: (215) [system] 'L'=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _1548738)
   Call: (216) [system] peek_char((0x563acd73bee0), _1549672)
   Exit: (216) [system] peek_char((0x563acd73bee0), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Fail: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_1554392, v('(', ')', end_of_file), i)
   Fail: (217) [system] arg(_1555324, v('(', ')', end_of_file), i)
^  Fail: (216) [user] is_delimiter(i)
   Call: (216) [system] ')'==i
   Fail: (216) [system] ')'==i
   Call: (216) [system] get_char((0x563acd73bee0), i)
   Exit: (216) [system] get_char((0x563acd73bee0), i)
   Call: (216) [system] i=(\)
   Fail: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _1562674)
   Call: (217) [system] peek_char((0x563acd73bee0), _1563608)
   Exit: (217) [system] peek_char((0x563acd73bee0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_1568328, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_1569260, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x563acd73bee0), n)
   Exit: (217) [system] get_char((0x563acd73bee0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _1576610)
   Call: (218) [system] peek_char((0x563acd73bee0), _1577544)
   Exit: (218) [system] peek_char((0x563acd73bee0), k)
^  Call: (218) [user] is_delimiter(k)
   Call: (219) [system] char_type(k, space)
   Fail: (219) [system] char_type(k, space)
   Call: (219) [system] arg(_1582264, v('(', ')', end_of_file), k)
   Fail: (219) [system] arg(_1583196, v('(', ')', end_of_file), k)
^  Fail: (218) [user] is_delimiter(k)
   Call: (218) [system] ')'==k
   Fail: (218) [system] ')'==k
   Call: (218) [system] get_char((0x563acd73bee0), k)
   Exit: (218) [system] get_char((0x563acd73bee0), k)
   Call: (218) [system] k=(\)
   Fail: (218) [system] k=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _1590546)
   Call: (219) [system] peek_char((0x563acd73bee0), _1591480)
   Exit: (219) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _1590546=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (218) [system] _1576610=[k]
   Exit: (218) [system] [k]=[k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (217) [system] _1562674=[n, k]
   Exit: (217) [system] [n, k]=[n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (216) [system] _1548738=[i, n, k]
   Exit: (216) [system] [i, n, k]=[i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (215) [system] _1534802=['L', i, n, k]
   Exit: (215) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (214) [system] _1520866=[d, 'L', i, n, k]
   Exit: (214) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, 'L', i, n, k])
   Call: (213) [system] _1506930=[n, d, 'L', i, n, k]
   Exit: (213) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, d, 'L', i, n, k])
^  Call: (212) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1471420)
^  Call: (213) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1617528)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_1618480, _1618482), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1617528), _1618462, fail)), '$restore_trace'(_1618480, _1618482))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_1618480, _1618482))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1617528), _1618462, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_1617528)
   Fail: (214) [system] atomic(_1617528)
   Call: (214) [system] atom_chars(_1617528, ['A', n, d, 'L', i, n, k])
   Exit: (214) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (213) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (213) [system] integer('AndLink')
   Fail: (213) [system] integer('AndLink')
   Call: (213) [system] _1471420='AndLink'
   Exit: (213) [system] 'AndLink'='AndLink'
^  Exit: (212) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (211) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'AndLink')
^  Exit: (210) [user] cont_sexpr(')', (0x563acd73bee0), 'AndLink')
^  Call: (210) [user] read_list(')', (0x563acd73bee0), _1632478)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1634336)
   Exit: (212) [system] peek_char((0x563acd73bee0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x563acd73bee0), _1643930)
   Exit: (212) [system] get_char((0x563acd73bee0), ' ')
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1646634)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'A')
   Call: (213) [system] 'A'=(;)
   Fail: (213) [system] 'A'=(;)
   Call: (213) [system] 'A'=(/)
   Fail: (213) [system] 'A'=(/)
^  Call: (213) [user] is_like_space('A')
   Call: (214) [system] char_type('A', 'white')
   Fail: (214) [system] char_type('A', 'white')
   Call: (214) [system] char_type('A', end_of_line)
   Fail: (214) [system] char_type('A', end_of_line)
   Call: (214) [system] char_type('A', space)
   Fail: (214) [system] char_type('A', space)
   Call: (214) [system] char_type('A', cntrl)
   Fail: (214) [system] char_type('A', cntrl)
^  Fail: (213) [user] is_like_space('A')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1663568)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'A')
   Call: (211) [system] 'A'=')'
   Fail: (211) [system] 'A'=')'
   Call: (211) [system] 'A'=end_of_file
   Fail: (211) [system] 'A'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x563acd73bee0), _1669138)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1670996)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'A')
   Call: (213) [system] 'A'=(;)
   Fail: (213) [system] 'A'=(;)
   Call: (213) [system] 'A'=(/)
   Fail: (213) [system] 'A'=(/)
^  Call: (213) [user] is_like_space('A')
   Call: (214) [system] char_type('A', 'white')
   Fail: (214) [system] char_type('A', 'white')
   Call: (214) [system] char_type('A', end_of_line)
   Fail: (214) [system] char_type('A', end_of_line)
   Call: (214) [system] char_type('A', space)
   Fail: (214) [system] char_type('A', space)
   Call: (214) [system] char_type('A', cntrl)
   Fail: (214) [system] char_type('A', cntrl)
^  Fail: (213) [user] is_like_space('A')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] get_char((0x563acd73bee0), _1687006)
   Exit: (212) [system] get_char((0x563acd73bee0), 'A')
   Call: (212) [system] 'A'='('
   Fail: (212) [system] 'A'='('
   Call: (212) [system] 'A'='['
   Fail: (212) [system] 'A'='['
   Call: (212) [system] 'A'='{'
   Fail: (212) [system] 'A'='{'
   Call: (212) [system] 'A'='"'
   Fail: (212) [system] 'A'='"'
   Call: (212) [system] 'A'=!
   Fail: (212) [system] 'A'=!
   Call: (212) [system] 'A'='\''
   Fail: (212) [system] 'A'='\''
   Call: (212) [system] 'A'='`'
   Fail: (212) [system] 'A'='`'
   Call: (212) [system] 'A'=end_of_file
   Fail: (212) [system] 'A'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x563acd73bee0), 'A', _1669138)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _1704648)
   Call: (214) [system] peek_char((0x563acd73bee0), _1705582)
   Exit: (214) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _1704648=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (213) [user] classify_and_convert_charseq(['A'], _1669138)
^  Call: (214) [user] classify_and_convert_charseq_(['A'], _1714866)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1715818, _1715820), once(user:catch(read_from_chars(['A'], _1714866), _1715800, fail)), '$restore_trace'(_1715818, _1715820))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1715818, _1715820))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1714866), _1715800, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_1714866)
   Fail: (215) [system] atomic(_1714866)
   Call: (215) [system] atom_chars(_1714866, ['A'])
   Exit: (215) [system] atom_chars('A', ['A'])
^  Exit: (214) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (214) [system] integer('A')
   Fail: (214) [system] integer('A')
   Call: (214) [system] _1669138='A'
   Exit: (214) [system] 'A'='A'
^  Exit: (213) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (212) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (211) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (211) [user] read_list(')', (0x563acd73bee0), _1729816)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1731674)
   Exit: (213) [system] peek_char((0x563acd73bee0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x563acd73bee0), _1741268)
   Exit: (213) [system] get_char((0x563acd73bee0), ' ')
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1743972)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'B')
   Call: (214) [system] 'B'=(;)
   Fail: (214) [system] 'B'=(;)
   Call: (214) [system] 'B'=(/)
   Fail: (214) [system] 'B'=(/)
^  Call: (214) [user] is_like_space('B')
   Call: (215) [system] char_type('B', 'white')
   Fail: (215) [system] char_type('B', 'white')
   Call: (215) [system] char_type('B', end_of_line)
   Fail: (215) [system] char_type('B', end_of_line)
   Call: (215) [system] char_type('B', space)
   Fail: (215) [system] char_type('B', space)
   Call: (215) [system] char_type('B', cntrl)
   Fail: (215) [system] char_type('B', cntrl)
^  Fail: (214) [user] is_like_space('B')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1760906)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'B')
   Call: (212) [system] 'B'=')'
   Fail: (212) [system] 'B'=')'
   Call: (212) [system] 'B'=end_of_file
   Fail: (212) [system] 'B'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x563acd73bee0), _1766476)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1768334)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'B')
   Call: (214) [system] 'B'=(;)
   Fail: (214) [system] 'B'=(;)
   Call: (214) [system] 'B'=(/)
   Fail: (214) [system] 'B'=(/)
^  Call: (214) [user] is_like_space('B')
   Call: (215) [system] char_type('B', 'white')
   Fail: (215) [system] char_type('B', 'white')
   Call: (215) [system] char_type('B', end_of_line)
   Fail: (215) [system] char_type('B', end_of_line)
   Call: (215) [system] char_type('B', space)
   Fail: (215) [system] char_type('B', space)
   Call: (215) [system] char_type('B', cntrl)
   Fail: (215) [system] char_type('B', cntrl)
^  Fail: (214) [user] is_like_space('B')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] get_char((0x563acd73bee0), _1784344)
   Exit: (213) [system] get_char((0x563acd73bee0), 'B')
   Call: (213) [system] 'B'='('
   Fail: (213) [system] 'B'='('
   Call: (213) [system] 'B'='['
   Fail: (213) [system] 'B'='['
   Call: (213) [system] 'B'='{'
   Fail: (213) [system] 'B'='{'
   Call: (213) [system] 'B'='"'
   Fail: (213) [system] 'B'='"'
   Call: (213) [system] 'B'=!
   Fail: (213) [system] 'B'=!
   Call: (213) [system] 'B'='\''
   Fail: (213) [system] 'B'='\''
   Call: (213) [system] 'B'='`'
   Fail: (213) [system] 'B'='`'
   Call: (213) [system] 'B'=end_of_file
   Fail: (213) [system] 'B'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x563acd73bee0), 'B', _1766476)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _1801986)
   Call: (215) [system] peek_char((0x563acd73bee0), _1802920)
   Exit: (215) [system] peek_char((0x563acd73bee0), ')')
^  Call: (215) [user] is_delimiter(')')
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] arg(_1807640, v('(', ')', end_of_file), ')')
   Exit: (216) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (215) [user] is_delimiter(')')
   Call: (215) [system] _1801986=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (214) [user] classify_and_convert_charseq(['B'], _1766476)
^  Call: (215) [user] classify_and_convert_charseq_(['B'], _1814076)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_1815028, _1815030), once(user:catch(read_from_chars(['B'], _1814076), _1815010, fail)), '$restore_trace'(_1815028, _1815030))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_1815028, _1815030))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1814076), _1815010, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_1814076)
   Fail: (216) [system] atomic(_1814076)
   Call: (216) [system] atom_chars(_1814076, ['B'])
   Exit: (216) [system] atom_chars('B', ['B'])
^  Exit: (215) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (215) [system] integer('B')
   Fail: (215) [system] integer('B')
   Call: (215) [system] _1766476='B'
   Exit: (215) [system] 'B'='B'
^  Exit: (214) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (213) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (212) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (212) [user] read_list(')', (0x563acd73bee0), _1829026)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1830884)
   Exit: (214) [system] peek_char((0x563acd73bee0), ')')
   Call: (214) [system] ')'=(;)
   Fail: (214) [system] ')'=(;)
   Call: (214) [system] ')'=(/)
   Fail: (214) [system] ')'=(/)
^  Call: (214) [user] is_like_space(')')
   Call: (215) [system] char_type(')', 'white')
   Fail: (215) [system] char_type(')', 'white')
   Call: (215) [system] char_type(')', end_of_line)
   Fail: (215) [system] char_type(')', end_of_line)
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] char_type(')', cntrl)
   Fail: (215) [system] char_type(')', cntrl)
^  Fail: (214) [user] is_like_space(')')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1846894)
   Exit: (213) [system] peek_char((0x563acd73bee0), ')')
   Call: (213) [system] ')'=')'
   Exit: (213) [system] ')'=')'
   Call: (213) [system] get_char((0x563acd73bee0), _1850684)
   Exit: (213) [system] get_char((0x563acd73bee0), ')')
   Call: (213) [system] _1829026=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_list(')', (0x563acd73bee0), [])
   Call: (212) [system] _1729816=['B']
   Exit: (212) [system] ['B']=['B']
^  Exit: (211) [user] read_list(')', (0x563acd73bee0), ['B'])
   Call: (211) [system] _1632478=['A', 'B']
   Exit: (211) [system] ['A', 'B']=['A', 'B']
^  Exit: (210) [user] read_list(')', (0x563acd73bee0), ['A', 'B'])
   Call: (210) [system] _1426402=['AndLink', 'A', 'B']
   Exit: (210) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (209) [user] read_list(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Exit: (208) [user] cont_sexpr(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Call: (208) [user] read_list(')', (0x563acd73bee0), _1864566)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1866424)
   Exit: (210) [system] peek_char((0x563acd73bee0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x563acd73bee0), _1876018)
   Exit: (210) [system] get_char((0x563acd73bee0), ' ')
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1878722)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'C')
   Call: (211) [system] 'C'=(;)
   Fail: (211) [system] 'C'=(;)
   Call: (211) [system] 'C'=(/)
   Fail: (211) [system] 'C'=(/)
^  Call: (211) [user] is_like_space('C')
   Call: (212) [system] char_type('C', 'white')
   Fail: (212) [system] char_type('C', 'white')
   Call: (212) [system] char_type('C', end_of_line)
   Fail: (212) [system] char_type('C', end_of_line)
   Call: (212) [system] char_type('C', space)
   Fail: (212) [system] char_type('C', space)
   Call: (212) [system] char_type('C', cntrl)
   Fail: (212) [system] char_type('C', cntrl)
^  Fail: (211) [user] is_like_space('C')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1895656)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'C')
   Call: (209) [system] 'C'=')'
   Fail: (209) [system] 'C'=')'
   Call: (209) [system] 'C'=end_of_file
   Fail: (209) [system] 'C'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x563acd73bee0), _1901226)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1903084)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'C')
   Call: (211) [system] 'C'=(;)
   Fail: (211) [system] 'C'=(;)
   Call: (211) [system] 'C'=(/)
   Fail: (211) [system] 'C'=(/)
^  Call: (211) [user] is_like_space('C')
   Call: (212) [system] char_type('C', 'white')
   Fail: (212) [system] char_type('C', 'white')
   Call: (212) [system] char_type('C', end_of_line)
   Fail: (212) [system] char_type('C', end_of_line)
   Call: (212) [system] char_type('C', space)
   Fail: (212) [system] char_type('C', space)
   Call: (212) [system] char_type('C', cntrl)
   Fail: (212) [system] char_type('C', cntrl)
^  Fail: (211) [user] is_like_space('C')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] get_char((0x563acd73bee0), _1919094)
   Exit: (210) [system] get_char((0x563acd73bee0), 'C')
   Call: (210) [system] 'C'='('
   Fail: (210) [system] 'C'='('
   Call: (210) [system] 'C'='['
   Fail: (210) [system] 'C'='['
   Call: (210) [system] 'C'='{'
   Fail: (210) [system] 'C'='{'
   Call: (210) [system] 'C'='"'
   Fail: (210) [system] 'C'='"'
   Call: (210) [system] 'C'=!
   Fail: (210) [system] 'C'=!
   Call: (210) [system] 'C'='\''
   Fail: (210) [system] 'C'='\''
   Call: (210) [system] 'C'='`'
   Fail: (210) [system] 'C'='`'
   Call: (210) [system] 'C'=end_of_file
   Fail: (210) [system] 'C'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x563acd73bee0), 'C', _1901226)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1936736)
   Call: (212) [system] peek_char((0x563acd73bee0), _1937670)
   Exit: (212) [system] peek_char((0x563acd73bee0), ')')
^  Call: (212) [user] is_delimiter(')')
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] arg(_1942390, v('(', ')', end_of_file), ')')
   Exit: (213) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (212) [user] is_delimiter(')')
   Call: (212) [system] _1936736=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (211) [user] classify_and_convert_charseq(['C'], _1901226)
^  Call: (212) [user] classify_and_convert_charseq_(['C'], _1948826)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_1949778, _1949780), once(user:catch(read_from_chars(['C'], _1948826), _1949760, fail)), '$restore_trace'(_1949778, _1949780))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_1949778, _1949780))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1948826), _1949760, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_1948826)
   Fail: (213) [system] atomic(_1948826)
   Call: (213) [system] atom_chars(_1948826, ['C'])
   Exit: (213) [system] atom_chars('C', ['C'])
^  Exit: (212) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (212) [system] integer('C')
   Fail: (212) [system] integer('C')
   Call: (212) [system] _1901226='C'
   Exit: (212) [system] 'C'='C'
^  Exit: (211) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (210) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (209) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (209) [user] read_list(')', (0x563acd73bee0), _1963776)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1965634)
   Exit: (211) [system] peek_char((0x563acd73bee0), ')')
   Call: (211) [system] ')'=(;)
   Fail: (211) [system] ')'=(;)
   Call: (211) [system] ')'=(/)
   Fail: (211) [system] ')'=(/)
^  Call: (211) [user] is_like_space(')')
   Call: (212) [system] char_type(')', 'white')
   Fail: (212) [system] char_type(')', 'white')
   Call: (212) [system] char_type(')', end_of_line)
   Fail: (212) [system] char_type(')', end_of_line)
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] char_type(')', cntrl)
   Fail: (212) [system] char_type(')', cntrl)
^  Fail: (211) [user] is_like_space(')')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1981644)
   Exit: (210) [system] peek_char((0x563acd73bee0), ')')
   Call: (210) [system] ')'=')'
   Exit: (210) [system] ')'=')'
   Call: (210) [system] get_char((0x563acd73bee0), _1985434)
   Exit: (210) [system] get_char((0x563acd73bee0), ')')
   Call: (210) [system] _1963776=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_list(')', (0x563acd73bee0), [])
   Call: (209) [system] _1864566=['C']
   Exit: (209) [system] ['C']=['C']
^  Exit: (208) [user] read_list(')', (0x563acd73bee0), ['C'])
   Call: (208) [system] _1389742=[['AndLink', 'A', 'B'], 'C']
   Exit: (208) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (207) [user] read_list(')', (0x563acd73bee0), [['AndLink', 'A', 'B'], 'C'])
   Call: (207) [system] _1116746=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (207) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (206) [user] read_list(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (205) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (205) [user] read_list(')', (0x563acd73bee0), _1999316)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _2001174)
   Exit: (207) [system] peek_char((0x563acd73bee0), ')')
   Call: (207) [system] ')'=(;)
   Fail: (207) [system] ')'=(;)
   Call: (207) [system] ')'=(/)
   Fail: (207) [system] ')'=(/)
^  Call: (207) [user] is_like_space(')')
   Call: (208) [system] char_type(')', 'white')
   Fail: (208) [system] char_type(')', 'white')
   Call: (208) [system] char_type(')', end_of_line)
   Fail: (208) [system] char_type(')', end_of_line)
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] char_type(')', cntrl)
   Fail: (208) [system] char_type(')', cntrl)
^  Fail: (207) [user] is_like_space(')')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _2017184)
   Exit: (206) [system] peek_char((0x563acd73bee0), ')')
   Call: (206) [system] ')'=')'
   Exit: (206) [system] ')'=')'
   Call: (206) [system] get_char((0x563acd73bee0), _2020974)
   Exit: (206) [system] get_char((0x563acd73bee0), ')')
   Call: (206) [system] _1999316=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_list(')', (0x563acd73bee0), [])
   Call: (205) [system] _1080086=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (205) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (204) [user] read_list(')', (0x563acd73bee0), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (204) [system] _177586=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (204) [system] [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (203) [user] read_list(')', (0x563acd73bee0), [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (203) [system] _4112=['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (203) [system] ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (202) [user] read_list(')', (0x563acd73bee0), ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (201) [user] cont_sexpr(')', (0x563acd73bee0), ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (201) [user] read_list(')', (0x563acd73bee0), _2034856)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _2036714)
   Exit: (203) [system] peek_char((0x563acd73bee0), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
   Call: (203) [system] ')'=(/)
   Fail: (203) [system] ')'=(/)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _2052724)
   Exit: (202) [system] peek_char((0x563acd73bee0), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x563acd73bee0), _2056514)
   Exit: (202) [system] get_char((0x563acd73bee0), ')')
   Call: (202) [system] _2034856=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x563acd73bee0), [])
   Call: (201) [system] _4108=[['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (201) [system] [['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), [['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (200) [system] _4084=[['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (200) [system] [['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), [['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (199) [system] _4076=[:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (199) [system] [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (198) [user] read_list(')', (0x563acd73bee0), [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (197) [user] cont_sexpr(')', (0x563acd73bee0), [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _2070396)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _2072254)
   Exit: (199) [system] peek_char((0x563acd73bee0), '\n')
   Call: (199) [system] '\n'=(;)
   Fail: (199) [system] '\n'=(;)
   Call: (199) [system] '\n'=(/)
   Fail: (199) [system] '\n'=(/)
^  Call: (199) [user] is_like_space('\n')
   Call: (200) [system] char_type('\n', 'white')
   Fail: (200) [system] char_type('\n', 'white')
   Call: (200) [system] char_type('\n', end_of_line)
   Exit: (200) [system] char_type('\n', end_of_line)
^  Exit: (199) [user] is_like_space('\n')
   Call: (199) [system] get_char((0x563acd73bee0), _2083704)
   Exit: (199) [system] get_char((0x563acd73bee0), '\n')
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _2086408)
   Exit: (200) [system] peek_char((0x563acd73bee0), '\t')
   Call: (200) [system] '\t'=(;)
   Fail: (200) [system] '\t'=(;)
   Call: (200) [system] '\t'=(/)
   Fail: (200) [system] '\t'=(/)
^  Call: (200) [user] is_like_space('\t')
   Call: (201) [system] char_type('\t', 'white')
   Exit: (201) [system] char_type('\t', 'white')
^  Exit: (200) [user] is_like_space('\t')
   Call: (200) [system] get_char((0x563acd73bee0), _2096002)
   Exit: (200) [system] get_char((0x563acd73bee0), '\t')
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _6010)
   Exit: (201) [system] peek_char((0x563acd73bee0), '\t')
   Call: (201) [system] '\t'=(;)
   Fail: (201) [system] '\t'=(;)
   Call: (201) [system] '\t'=(/)
   Fail: (201) [system] '\t'=(/)
^  Call: (201) [user] is_like_space('\t')
   Call: (202) [system] char_type('\t', 'white')
   Exit: (202) [system] char_type('\t', 'white')
^  Exit: (201) [user] is_like_space('\t')
   Call: (201) [system] get_char((0x563acd73bee0), _15604)
   Exit: (201) [system] get_char((0x563acd73bee0), '\t')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _18308)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x563acd73bee0), _27902)
   Exit: (202) [system] get_char((0x563acd73bee0), ' ')
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _30606)
   Exit: (203) [system] peek_char((0x563acd73bee0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _50312)
   Exit: (198) [system] peek_char((0x563acd73bee0), '(')
   Call: (198) [system] '('=')'
   Fail: (198) [system] '('=')'
   Call: (198) [system] '('=end_of_file
   Fail: (198) [system] '('=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x563acd73bee0), _55882)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _57740)
   Exit: (200) [system] peek_char((0x563acd73bee0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] get_char((0x563acd73bee0), _73750)
   Exit: (199) [system] get_char((0x563acd73bee0), '(')
   Call: (199) [system] '('='('
   Exit: (199) [system] '('='('
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _55882)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _79320)
   Exit: (201) [system] peek_char((0x563acd73bee0), :)
   Call: (201) [system] (:)=(;)
   Fail: (201) [system] (:)=(;)
   Call: (201) [system] (:)=(/)
   Fail: (201) [system] (:)=(/)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Fail: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Fail: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Fail: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
   Fail: (202) [system] char_type(:, cntrl)
^  Fail: (201) [user] is_like_space(:)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _95330)
   Exit: (200) [system] peek_char((0x563acd73bee0), :)
   Call: (200) [system] (:)=')'
   Fail: (200) [system] (:)=')'
   Call: (200) [system] (:)=end_of_file
   Fail: (200) [system] (:)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x563acd73bee0), _100900)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _102758)
   Exit: (202) [system] peek_char((0x563acd73bee0), :)
   Call: (202) [system] (:)=(;)
   Fail: (202) [system] (:)=(;)
   Call: (202) [system] (:)=(/)
   Fail: (202) [system] (:)=(/)
^  Call: (202) [user] is_like_space(:)
   Call: (203) [system] char_type(:, 'white')
   Fail: (203) [system] char_type(:, 'white')
   Call: (203) [system] char_type(:, end_of_line)
   Fail: (203) [system] char_type(:, end_of_line)
   Call: (203) [system] char_type(:, space)
   Fail: (203) [system] char_type(:, space)
   Call: (203) [system] char_type(:, cntrl)
   Fail: (203) [system] char_type(:, cntrl)
^  Fail: (202) [user] is_like_space(:)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] get_char((0x563acd73bee0), _118768)
   Exit: (201) [system] get_char((0x563acd73bee0), :)
   Call: (201) [system] (:)='('
   Fail: (201) [system] (:)='('
   Call: (201) [system] (:)='['
   Fail: (201) [system] (:)='['
   Call: (201) [system] (:)='{'
   Fail: (201) [system] (:)='{'
   Call: (201) [system] (:)='"'
   Fail: (201) [system] (:)='"'
   Call: (201) [system] (:)=!
   Fail: (201) [system] (:)=!
   Call: (201) [system] (:)='\''
   Fail: (201) [system] (:)='\''
   Call: (201) [system] (:)='`'
   Fail: (201) [system] (:)='`'
   Call: (201) [system] (:)=end_of_file
   Fail: (201) [system] (:)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x563acd73bee0), :, _100900)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _136410)
   Call: (203) [system] peek_char((0x563acd73bee0), _137344)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _136410=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (202) [user] classify_and_convert_charseq([:], _100900)
^  Call: (203) [user] classify_and_convert_charseq_([:], _146628)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_147580, _147582), once(user:catch(read_from_chars([:], _146628), _147562, fail)), '$restore_trace'(_147580, _147582))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_147580, _147582))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _147562, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(:)
   Exit: (204) [system] atomic(:)
^  Exit: (203) [user] classify_and_convert_charseq_([:], :)
   Call: (203) [system] integer(:)
   Fail: (203) [system] integer(:)
   Call: (203) [system] _100900=(:)
   Exit: (203) [system] (:)=(:)
^  Exit: (202) [user] classify_and_convert_charseq([:], :)
^  Exit: (201) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (200) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _159708)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _161566)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x563acd73bee0), _171160)
   Exit: (202) [system] get_char((0x563acd73bee0), ' ')
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _173864)
   Exit: (203) [system] peek_char((0x563acd73bee0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _190798)
   Exit: (201) [system] peek_char((0x563acd73bee0), '(')
   Call: (201) [system] '('=')'
   Fail: (201) [system] '('=')'
   Call: (201) [system] '('=end_of_file
   Fail: (201) [system] '('=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x563acd73bee0), _196368)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _198226)
   Exit: (203) [system] peek_char((0x563acd73bee0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] get_char((0x563acd73bee0), _214236)
   Exit: (202) [system] get_char((0x563acd73bee0), '(')
   Call: (202) [system] '('='('
   Exit: (202) [system] '('='('
^  Call: (202) [user] read_list(')', (0x563acd73bee0), _196368)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _219806)
   Exit: (204) [system] peek_char((0x563acd73bee0), 'C')
   Call: (204) [system] 'C'=(;)
   Fail: (204) [system] 'C'=(;)
   Call: (204) [system] 'C'=(/)
   Fail: (204) [system] 'C'=(/)
^  Call: (204) [user] is_like_space('C')
   Call: (205) [system] char_type('C', 'white')
   Fail: (205) [system] char_type('C', 'white')
   Call: (205) [system] char_type('C', end_of_line)
   Fail: (205) [system] char_type('C', end_of_line)
   Call: (205) [system] char_type('C', space)
   Fail: (205) [system] char_type('C', space)
   Call: (205) [system] char_type('C', cntrl)
   Fail: (205) [system] char_type('C', cntrl)
^  Fail: (204) [user] is_like_space('C')
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _235816)
   Exit: (203) [system] peek_char((0x563acd73bee0), 'C')
   Call: (203) [system] 'C'=')'
   Fail: (203) [system] 'C'=')'
   Call: (203) [system] 'C'=end_of_file
   Fail: (203) [system] 'C'=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x563acd73bee0), _241386)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _243244)
   Exit: (205) [system] peek_char((0x563acd73bee0), 'C')
   Call: (205) [system] 'C'=(;)
   Fail: (205) [system] 'C'=(;)
   Call: (205) [system] 'C'=(/)
   Fail: (205) [system] 'C'=(/)
^  Call: (205) [user] is_like_space('C')
   Call: (206) [system] char_type('C', 'white')
   Fail: (206) [system] char_type('C', 'white')
   Call: (206) [system] char_type('C', end_of_line)
   Fail: (206) [system] char_type('C', end_of_line)
   Call: (206) [system] char_type('C', space)
   Fail: (206) [system] char_type('C', space)
   Call: (206) [system] char_type('C', cntrl)
   Fail: (206) [system] char_type('C', cntrl)
^  Fail: (205) [user] is_like_space('C')
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] get_char((0x563acd73bee0), _259254)
   Exit: (204) [system] get_char((0x563acd73bee0), 'C')
   Call: (204) [system] 'C'='('
   Fail: (204) [system] 'C'='('
   Call: (204) [system] 'C'='['
   Fail: (204) [system] 'C'='['
   Call: (204) [system] 'C'='{'
   Fail: (204) [system] 'C'='{'
   Call: (204) [system] 'C'='"'
   Fail: (204) [system] 'C'='"'
   Call: (204) [system] 'C'=!
   Fail: (204) [system] 'C'=!
   Call: (204) [system] 'C'='\''
   Fail: (204) [system] 'C'='\''
   Call: (204) [system] 'C'='`'
   Fail: (204) [system] 'C'='`'
   Call: (204) [system] 'C'=end_of_file
   Fail: (204) [system] 'C'=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x563acd73bee0), 'C', _241386)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _276896)
   Call: (206) [system] peek_char((0x563acd73bee0), _277830)
   Exit: (206) [system] peek_char((0x563acd73bee0), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_282550, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_283482, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x563acd73bee0), o)
   Exit: (206) [system] get_char((0x563acd73bee0), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _290832)
   Call: (207) [system] peek_char((0x563acd73bee0), _291766)
   Exit: (207) [system] peek_char((0x563acd73bee0), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Fail: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_296486, v('(', ')', end_of_file), n)
   Fail: (208) [system] arg(_297418, v('(', ')', end_of_file), n)
^  Fail: (207) [user] is_delimiter(n)
   Call: (207) [system] ')'==n
   Fail: (207) [system] ')'==n
   Call: (207) [system] get_char((0x563acd73bee0), n)
   Exit: (207) [system] get_char((0x563acd73bee0), n)
   Call: (207) [system] n=(\)
   Fail: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _304768)
   Call: (208) [system] peek_char((0x563acd73bee0), _305702)
   Exit: (208) [system] peek_char((0x563acd73bee0), j)
^  Call: (208) [user] is_delimiter(j)
   Call: (209) [system] char_type(j, space)
   Fail: (209) [system] char_type(j, space)
   Call: (209) [system] arg(_310422, v('(', ')', end_of_file), j)
   Fail: (209) [system] arg(_311354, v('(', ')', end_of_file), j)
^  Fail: (208) [user] is_delimiter(j)
   Call: (208) [system] ')'==j
   Fail: (208) [system] ')'==j
   Call: (208) [system] get_char((0x563acd73bee0), j)
   Exit: (208) [system] get_char((0x563acd73bee0), j)
   Call: (208) [system] j=(\)
   Fail: (208) [system] j=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _318704)
   Call: (209) [system] peek_char((0x563acd73bee0), _319638)
   Exit: (209) [system] peek_char((0x563acd73bee0), u)
^  Call: (209) [user] is_delimiter(u)
   Call: (210) [system] char_type(u, space)
   Fail: (210) [system] char_type(u, space)
   Call: (210) [system] arg(_324358, v('(', ')', end_of_file), u)
   Fail: (210) [system] arg(_325290, v('(', ')', end_of_file), u)
^  Fail: (209) [user] is_delimiter(u)
   Call: (209) [system] ')'==u
   Fail: (209) [system] ')'==u
   Call: (209) [system] get_char((0x563acd73bee0), u)
   Exit: (209) [system] get_char((0x563acd73bee0), u)
   Call: (209) [system] u=(\)
   Fail: (209) [system] u=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _332640)
   Call: (210) [system] peek_char((0x563acd73bee0), _333574)
   Exit: (210) [system] peek_char((0x563acd73bee0), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Fail: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_338294, v('(', ')', end_of_file), n)
   Fail: (211) [system] arg(_339226, v('(', ')', end_of_file), n)
^  Fail: (210) [user] is_delimiter(n)
   Call: (210) [system] ')'==n
   Fail: (210) [system] ')'==n
   Call: (210) [system] get_char((0x563acd73bee0), n)
   Exit: (210) [system] get_char((0x563acd73bee0), n)
   Call: (210) [system] n=(\)
   Fail: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _346576)
   Call: (211) [system] peek_char((0x563acd73bee0), _347510)
   Exit: (211) [system] peek_char((0x563acd73bee0), c)
^  Call: (211) [user] is_delimiter(c)
   Call: (212) [system] char_type(c, space)
   Fail: (212) [system] char_type(c, space)
   Call: (212) [system] arg(_352230, v('(', ')', end_of_file), c)
   Fail: (212) [system] arg(_353162, v('(', ')', end_of_file), c)
^  Fail: (211) [user] is_delimiter(c)
   Call: (211) [system] ')'==c
   Fail: (211) [system] ')'==c
   Call: (211) [system] get_char((0x563acd73bee0), c)
   Exit: (211) [system] get_char((0x563acd73bee0), c)
   Call: (211) [system] c=(\)
   Fail: (211) [system] c=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _360512)
   Call: (212) [system] peek_char((0x563acd73bee0), _361446)
   Exit: (212) [system] peek_char((0x563acd73bee0), t)
^  Call: (212) [user] is_delimiter(t)
   Call: (213) [system] char_type(t, space)
   Fail: (213) [system] char_type(t, space)
   Call: (213) [system] arg(_366166, v('(', ')', end_of_file), t)
   Fail: (213) [system] arg(_367098, v('(', ')', end_of_file), t)
^  Fail: (212) [user] is_delimiter(t)
   Call: (212) [system] ')'==t
   Fail: (212) [system] ')'==t
   Call: (212) [system] get_char((0x563acd73bee0), t)
   Exit: (212) [system] get_char((0x563acd73bee0), t)
   Call: (212) [system] t=(\)
   Fail: (212) [system] t=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _374448)
   Call: (213) [system] peek_char((0x563acd73bee0), _375382)
   Exit: (213) [system] peek_char((0x563acd73bee0), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Fail: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_380102, v('(', ')', end_of_file), i)
   Fail: (214) [system] arg(_381034, v('(', ')', end_of_file), i)
^  Fail: (213) [user] is_delimiter(i)
   Call: (213) [system] ')'==i
   Fail: (213) [system] ')'==i
   Call: (213) [system] get_char((0x563acd73bee0), i)
   Exit: (213) [system] get_char((0x563acd73bee0), i)
   Call: (213) [system] i=(\)
   Fail: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _388384)
   Call: (214) [system] peek_char((0x563acd73bee0), _389318)
   Exit: (214) [system] peek_char((0x563acd73bee0), o)
^  Call: (214) [user] is_delimiter(o)
   Call: (215) [system] char_type(o, space)
   Fail: (215) [system] char_type(o, space)
   Call: (215) [system] arg(_394038, v('(', ')', end_of_file), o)
   Fail: (215) [system] arg(_394970, v('(', ')', end_of_file), o)
^  Fail: (214) [user] is_delimiter(o)
   Call: (214) [system] ')'==o
   Fail: (214) [system] ')'==o
   Call: (214) [system] get_char((0x563acd73bee0), o)
   Exit: (214) [system] get_char((0x563acd73bee0), o)
   Call: (214) [system] o=(\)
   Fail: (214) [system] o=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _402320)
   Call: (215) [system] peek_char((0x563acd73bee0), _403254)
   Exit: (215) [system] peek_char((0x563acd73bee0), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_407974, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_408906, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x563acd73bee0), n)
   Exit: (215) [system] get_char((0x563acd73bee0), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _416256)
   Call: (216) [system] peek_char((0x563acd73bee0), _417190)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'I')
^  Call: (216) [user] is_delimiter('I')
   Call: (217) [system] char_type('I', space)
   Fail: (217) [system] char_type('I', space)
   Call: (217) [system] arg(_421910, v('(', ')', end_of_file), 'I')
   Fail: (217) [system] arg(_422842, v('(', ')', end_of_file), 'I')
^  Fail: (216) [user] is_delimiter('I')
   Call: (216) [system] ')'=='I'
   Fail: (216) [system] ')'=='I'
   Call: (216) [system] get_char((0x563acd73bee0), 'I')
   Exit: (216) [system] get_char((0x563acd73bee0), 'I')
   Call: (216) [system] 'I'=(\)
   Fail: (216) [system] 'I'=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _430192)
   Call: (217) [system] peek_char((0x563acd73bee0), _431126)
   Exit: (217) [system] peek_char((0x563acd73bee0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_435846, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_436778, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x563acd73bee0), n)
   Exit: (217) [system] get_char((0x563acd73bee0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _444128)
   Call: (218) [system] peek_char((0x563acd73bee0), _445062)
   Exit: (218) [system] peek_char((0x563acd73bee0), t)
^  Call: (218) [user] is_delimiter(t)
   Call: (219) [system] char_type(t, space)
   Fail: (219) [system] char_type(t, space)
   Call: (219) [system] arg(_449782, v('(', ')', end_of_file), t)
   Fail: (219) [system] arg(_450714, v('(', ')', end_of_file), t)
^  Fail: (218) [user] is_delimiter(t)
   Call: (218) [system] ')'==t
   Fail: (218) [system] ')'==t
   Call: (218) [system] get_char((0x563acd73bee0), t)
   Exit: (218) [system] get_char((0x563acd73bee0), t)
   Call: (218) [system] t=(\)
   Fail: (218) [system] t=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _458064)
   Call: (219) [system] peek_char((0x563acd73bee0), _458998)
   Exit: (219) [system] peek_char((0x563acd73bee0), r)
^  Call: (219) [user] is_delimiter(r)
   Call: (220) [system] char_type(r, space)
   Fail: (220) [system] char_type(r, space)
   Call: (220) [system] arg(_463718, v('(', ')', end_of_file), r)
   Fail: (220) [system] arg(_464650, v('(', ')', end_of_file), r)
^  Fail: (219) [user] is_delimiter(r)
   Call: (219) [system] ')'==r
   Fail: (219) [system] ')'==r
   Call: (219) [system] get_char((0x563acd73bee0), r)
   Exit: (219) [system] get_char((0x563acd73bee0), r)
   Call: (219) [system] r=(\)
   Fail: (219) [system] r=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _472000)
   Call: (220) [system] peek_char((0x563acd73bee0), _472934)
   Exit: (220) [system] peek_char((0x563acd73bee0), o)
^  Call: (220) [user] is_delimiter(o)
   Call: (221) [system] char_type(o, space)
   Fail: (221) [system] char_type(o, space)
   Call: (221) [system] arg(_477654, v('(', ')', end_of_file), o)
   Fail: (221) [system] arg(_478586, v('(', ')', end_of_file), o)
^  Fail: (220) [user] is_delimiter(o)
   Call: (220) [system] ')'==o
   Fail: (220) [system] ')'==o
   Call: (220) [system] get_char((0x563acd73bee0), o)
   Exit: (220) [system] get_char((0x563acd73bee0), o)
   Call: (220) [system] o=(\)
   Fail: (220) [system] o=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _485936)
   Call: (221) [system] peek_char((0x563acd73bee0), _486870)
   Exit: (221) [system] peek_char((0x563acd73bee0), d)
^  Call: (221) [user] is_delimiter(d)
   Call: (222) [system] char_type(d, space)
   Fail: (222) [system] char_type(d, space)
   Call: (222) [system] arg(_491590, v('(', ')', end_of_file), d)
   Fail: (222) [system] arg(_492522, v('(', ')', end_of_file), d)
^  Fail: (221) [user] is_delimiter(d)
   Call: (221) [system] ')'==d
   Fail: (221) [system] ')'==d
   Call: (221) [system] get_char((0x563acd73bee0), d)
   Exit: (221) [system] get_char((0x563acd73bee0), d)
   Call: (221) [system] d=(\)
   Fail: (221) [system] d=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _499872)
   Call: (222) [system] peek_char((0x563acd73bee0), _500806)
   Exit: (222) [system] peek_char((0x563acd73bee0), u)
^  Call: (222) [user] is_delimiter(u)
   Call: (223) [system] char_type(u, space)
   Fail: (223) [system] char_type(u, space)
   Call: (223) [system] arg(_505526, v('(', ')', end_of_file), u)
   Fail: (223) [system] arg(_506458, v('(', ')', end_of_file), u)
^  Fail: (222) [user] is_delimiter(u)
   Call: (222) [system] ')'==u
   Fail: (222) [system] ')'==u
   Call: (222) [system] get_char((0x563acd73bee0), u)
   Exit: (222) [system] get_char((0x563acd73bee0), u)
   Call: (222) [system] u=(\)
   Fail: (222) [system] u=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _513808)
   Call: (223) [system] peek_char((0x563acd73bee0), _514742)
   Exit: (223) [system] peek_char((0x563acd73bee0), c)
^  Call: (223) [user] is_delimiter(c)
   Call: (224) [system] char_type(c, space)
   Fail: (224) [system] char_type(c, space)
   Call: (224) [system] arg(_519462, v('(', ')', end_of_file), c)
   Fail: (224) [system] arg(_520394, v('(', ')', end_of_file), c)
^  Fail: (223) [user] is_delimiter(c)
   Call: (223) [system] ')'==c
   Fail: (223) [system] ')'==c
   Call: (223) [system] get_char((0x563acd73bee0), c)
   Exit: (223) [system] get_char((0x563acd73bee0), c)
   Call: (223) [system] c=(\)
   Fail: (223) [system] c=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _527744)
   Call: (224) [system] peek_char((0x563acd73bee0), _528678)
   Exit: (224) [system] peek_char((0x563acd73bee0), t)
^  Call: (224) [user] is_delimiter(t)
   Call: (225) [system] char_type(t, space)
   Fail: (225) [system] char_type(t, space)
   Call: (225) [system] arg(_533398, v('(', ')', end_of_file), t)
   Fail: (225) [system] arg(_534330, v('(', ')', end_of_file), t)
^  Fail: (224) [user] is_delimiter(t)
   Call: (224) [system] ')'==t
   Fail: (224) [system] ')'==t
   Call: (224) [system] get_char((0x563acd73bee0), t)
   Exit: (224) [system] get_char((0x563acd73bee0), t)
   Call: (224) [system] t=(\)
   Fail: (224) [system] t=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _541680)
   Call: (225) [system] peek_char((0x563acd73bee0), _542614)
   Exit: (225) [system] peek_char((0x563acd73bee0), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_547334, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_548266, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x563acd73bee0), i)
   Exit: (225) [system] get_char((0x563acd73bee0), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _555616)
   Call: (226) [system] peek_char((0x563acd73bee0), _556550)
   Exit: (226) [system] peek_char((0x563acd73bee0), o)
^  Call: (226) [user] is_delimiter(o)
   Call: (227) [system] char_type(o, space)
   Fail: (227) [system] char_type(o, space)
   Call: (227) [system] arg(_561270, v('(', ')', end_of_file), o)
   Fail: (227) [system] arg(_562202, v('(', ')', end_of_file), o)
^  Fail: (226) [user] is_delimiter(o)
   Call: (226) [system] ')'==o
   Fail: (226) [system] ')'==o
   Call: (226) [system] get_char((0x563acd73bee0), o)
   Exit: (226) [system] get_char((0x563acd73bee0), o)
   Call: (226) [system] o=(\)
   Fail: (226) [system] o=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _569552)
   Call: (227) [system] peek_char((0x563acd73bee0), _570486)
   Exit: (227) [system] peek_char((0x563acd73bee0), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_575206, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_576138, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x563acd73bee0), n)
   Exit: (227) [system] get_char((0x563acd73bee0), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _583488)
   Call: (228) [system] peek_char((0x563acd73bee0), _584422)
   Exit: (228) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _583488=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (227) [system] _569552=[n]
   Exit: (227) [system] [n]=[n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (226) [system] _555616=[o, n]
   Exit: (226) [system] [o, n]=[o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (225) [system] _541680=[i, o, n]
   Exit: (225) [system] [i, o, n]=[i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (224) [system] _527744=[t, i, o, n]
   Exit: (224) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (223) [system] _513808=[c, t, i, o, n]
   Exit: (223) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n])
   Call: (222) [system] _499872=[u, c, t, i, o, n]
   Exit: (222) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, i, o, n])
   Call: (221) [system] _485936=[d, u, c, t, i, o, n]
   Exit: (221) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, u, c, t, i, o, n])
   Call: (220) [system] _472000=[o, d, u, c, t, i, o, n]
   Exit: (220) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, d, u, c, t, i, o, n])
   Call: (219) [system] _458064=[r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _444128=[t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _430192=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _416256=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _402320=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _388384=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _374448=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _360512=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _346576=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _332640=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _318704=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _304768=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (207) [system] _290832=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (207) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (206) [system] _276896=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (206) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (205) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _241386)
^  Call: (206) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _655174)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_656126, _656128), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _655174), _656108, fail)), '$restore_trace'(_656126, _656128))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_656126, _656128))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _655174), _656108, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(_655174)
   Fail: (207) [system] atomic(_655174)
   Call: (207) [system] atom_chars(_655174, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (207) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (206) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
   Call: (206) [system] integer('ConjunctionIntroduction')
   Fail: (206) [system] integer('ConjunctionIntroduction')
   Call: (206) [system] _241386='ConjunctionIntroduction'
   Exit: (206) [system] 'ConjunctionIntroduction'='ConjunctionIntroduction'
^  Exit: (205) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (204) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'ConjunctionIntroduction')
^  Exit: (203) [user] cont_sexpr(')', (0x563acd73bee0), 'ConjunctionIntroduction')
^  Call: (203) [user] read_list(')', (0x563acd73bee0), _670124)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _671982)
   Exit: (205) [system] peek_char((0x563acd73bee0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x563acd73bee0), _681576)
   Exit: (205) [system] get_char((0x563acd73bee0), ' ')
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _684280)
   Exit: (206) [system] peek_char((0x563acd73bee0), c)
   Call: (206) [system] c=(;)
   Fail: (206) [system] c=(;)
   Call: (206) [system] c=(/)
   Fail: (206) [system] c=(/)
^  Call: (206) [user] is_like_space(c)
   Call: (207) [system] char_type(c, 'white')
   Fail: (207) [system] char_type(c, 'white')
   Call: (207) [system] char_type(c, end_of_line)
   Fail: (207) [system] char_type(c, end_of_line)
   Call: (207) [system] char_type(c, space)
   Fail: (207) [system] char_type(c, space)
   Call: (207) [system] char_type(c, cntrl)
   Fail: (207) [system] char_type(c, cntrl)
^  Fail: (206) [user] is_like_space(c)
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _701214)
   Exit: (204) [system] peek_char((0x563acd73bee0), c)
   Call: (204) [system] c=')'
   Fail: (204) [system] c=')'
   Call: (204) [system] c=end_of_file
   Fail: (204) [system] c=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x563acd73bee0), _706784)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _708642)
   Exit: (206) [system] peek_char((0x563acd73bee0), c)
   Call: (206) [system] c=(;)
   Fail: (206) [system] c=(;)
   Call: (206) [system] c=(/)
   Fail: (206) [system] c=(/)
^  Call: (206) [user] is_like_space(c)
   Call: (207) [system] char_type(c, 'white')
   Fail: (207) [system] char_type(c, 'white')
   Call: (207) [system] char_type(c, end_of_line)
   Fail: (207) [system] char_type(c, end_of_line)
   Call: (207) [system] char_type(c, space)
   Fail: (207) [system] char_type(c, space)
   Call: (207) [system] char_type(c, cntrl)
   Fail: (207) [system] char_type(c, cntrl)
^  Fail: (206) [user] is_like_space(c)
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] get_char((0x563acd73bee0), _724652)
   Exit: (205) [system] get_char((0x563acd73bee0), c)
   Call: (205) [system] c='('
   Fail: (205) [system] c='('
   Call: (205) [system] c='['
   Fail: (205) [system] c='['
   Call: (205) [system] c='{'
   Fail: (205) [system] c='{'
   Call: (205) [system] c='"'
   Fail: (205) [system] c='"'
   Call: (205) [system] c=!
   Fail: (205) [system] c=!
   Call: (205) [system] c='\''
   Fail: (205) [system] c='\''
   Call: (205) [system] c='`'
   Fail: (205) [system] c='`'
   Call: (205) [system] c=end_of_file
   Fail: (205) [system] c=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x563acd73bee0), c, _706784)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _742294)
   Call: (207) [system] peek_char((0x563acd73bee0), _743228)
   Exit: (207) [system] peek_char((0x563acd73bee0), d)
^  Call: (207) [user] is_delimiter(d)
   Call: (208) [system] char_type(d, space)
   Fail: (208) [system] char_type(d, space)
   Call: (208) [system] arg(_747948, v('(', ')', end_of_file), d)
   Fail: (208) [system] arg(_748880, v('(', ')', end_of_file), d)
^  Fail: (207) [user] is_delimiter(d)
   Call: (207) [system] ')'==d
   Fail: (207) [system] ')'==d
   Call: (207) [system] get_char((0x563acd73bee0), d)
   Exit: (207) [system] get_char((0x563acd73bee0), d)
   Call: (207) [system] d=(\)
   Fail: (207) [system] d=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _756230)
   Call: (208) [system] peek_char((0x563acd73bee0), _757164)
   Exit: (208) [system] peek_char((0x563acd73bee0), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Fail: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_761884, v('(', ')', end_of_file), e)
   Fail: (209) [system] arg(_762816, v('(', ')', end_of_file), e)
^  Fail: (208) [user] is_delimiter(e)
   Call: (208) [system] ')'==e
   Fail: (208) [system] ')'==e
   Call: (208) [system] get_char((0x563acd73bee0), e)
   Exit: (208) [system] get_char((0x563acd73bee0), e)
   Call: (208) [system] e=(\)
   Fail: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _770166)
   Call: (209) [system] peek_char((0x563acd73bee0), _771100)
   Exit: (209) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _770166=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (208) [system] _756230=[e]
   Exit: (208) [system] [e]=[e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [e])
   Call: (207) [system] _742294=[d, e]
   Exit: (207) [system] [d, e]=[d, e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, e])
^  Call: (206) [user] classify_and_convert_charseq([c, d, e], _706784)
^  Call: (207) [user] classify_and_convert_charseq_([c, d, e], _785972)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_786924, _786926), once(user:catch(read_from_chars([c, d, e], _785972), _786906, fail)), '$restore_trace'(_786924, _786926))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_786924, _786926))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _786906, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(cde)
   Exit: (208) [system] atomic(cde)
^  Exit: (207) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (207) [system] integer(cde)
   Fail: (207) [system] integer(cde)
   Call: (207) [system] _706784=cde
   Exit: (207) [system] cde=cde
^  Exit: (206) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (205) [user] read_symbolic(')', (0x563acd73bee0), c, cde)
^  Exit: (204) [user] cont_sexpr(')', (0x563acd73bee0), cde)
^  Call: (204) [user] read_list(')', (0x563acd73bee0), _799052)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _800910)
   Exit: (206) [system] peek_char((0x563acd73bee0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
   Call: (206) [system] ' '=(/)
   Fail: (206) [system] ' '=(/)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x563acd73bee0), _810504)
   Exit: (206) [system] get_char((0x563acd73bee0), ' ')
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _813208)
   Exit: (207) [system] peek_char((0x563acd73bee0), c)
   Call: (207) [system] c=(;)
   Fail: (207) [system] c=(;)
   Call: (207) [system] c=(/)
   Fail: (207) [system] c=(/)
^  Call: (207) [user] is_like_space(c)
   Call: (208) [system] char_type(c, 'white')
   Fail: (208) [system] char_type(c, 'white')
   Call: (208) [system] char_type(c, end_of_line)
   Fail: (208) [system] char_type(c, end_of_line)
   Call: (208) [system] char_type(c, space)
   Fail: (208) [system] char_type(c, space)
   Call: (208) [system] char_type(c, cntrl)
   Fail: (208) [system] char_type(c, cntrl)
^  Fail: (207) [user] is_like_space(c)
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _830142)
   Exit: (205) [system] peek_char((0x563acd73bee0), c)
   Call: (205) [system] c=')'
   Fail: (205) [system] c=')'
   Call: (205) [system] c=end_of_file
   Fail: (205) [system] c=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x563acd73bee0), _835712)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _837570)
   Exit: (207) [system] peek_char((0x563acd73bee0), c)
   Call: (207) [system] c=(;)
   Fail: (207) [system] c=(;)
   Call: (207) [system] c=(/)
   Fail: (207) [system] c=(/)
^  Call: (207) [user] is_like_space(c)
   Call: (208) [system] char_type(c, 'white')
   Fail: (208) [system] char_type(c, 'white')
   Call: (208) [system] char_type(c, end_of_line)
   Fail: (208) [system] char_type(c, end_of_line)
   Call: (208) [system] char_type(c, space)
   Fail: (208) [system] char_type(c, space)
   Call: (208) [system] char_type(c, cntrl)
   Fail: (208) [system] char_type(c, cntrl)
^  Fail: (207) [user] is_like_space(c)
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] get_char((0x563acd73bee0), _853580)
   Exit: (206) [system] get_char((0x563acd73bee0), c)
   Call: (206) [system] c='('
   Fail: (206) [system] c='('
   Call: (206) [system] c='['
   Fail: (206) [system] c='['
   Call: (206) [system] c='{'
   Fail: (206) [system] c='{'
   Call: (206) [system] c='"'
   Fail: (206) [system] c='"'
   Call: (206) [system] c=!
   Fail: (206) [system] c=!
   Call: (206) [system] c='\''
   Fail: (206) [system] c='\''
   Call: (206) [system] c='`'
   Fail: (206) [system] c='`'
   Call: (206) [system] c=end_of_file
   Fail: (206) [system] c=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x563acd73bee0), c, _835712)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _871222)
   Call: (208) [system] peek_char((0x563acd73bee0), _872156)
   Exit: (208) [system] peek_char((0x563acd73bee0), d)
^  Call: (208) [user] is_delimiter(d)
   Call: (209) [system] char_type(d, space)
   Fail: (209) [system] char_type(d, space)
   Call: (209) [system] arg(_876876, v('(', ')', end_of_file), d)
   Fail: (209) [system] arg(_877808, v('(', ')', end_of_file), d)
^  Fail: (208) [user] is_delimiter(d)
   Call: (208) [system] ')'==d
   Fail: (208) [system] ')'==d
   Call: (208) [system] get_char((0x563acd73bee0), d)
   Exit: (208) [system] get_char((0x563acd73bee0), d)
   Call: (208) [system] d=(\)
   Fail: (208) [system] d=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _885158)
   Call: (209) [system] peek_char((0x563acd73bee0), _886092)
   Exit: (209) [system] peek_char((0x563acd73bee0), e)
^  Call: (209) [user] is_delimiter(e)
   Call: (210) [system] char_type(e, space)
   Fail: (210) [system] char_type(e, space)
   Call: (210) [system] arg(_890812, v('(', ')', end_of_file), e)
   Fail: (210) [system] arg(_891744, v('(', ')', end_of_file), e)
^  Fail: (209) [user] is_delimiter(e)
   Call: (209) [system] ')'==e
   Fail: (209) [system] ')'==e
   Call: (209) [system] get_char((0x563acd73bee0), e)
   Exit: (209) [system] get_char((0x563acd73bee0), e)
   Call: (209) [system] e=(\)
   Fail: (209) [system] e=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _899094)
   Call: (210) [system] peek_char((0x563acd73bee0), _900028)
   Exit: (210) [system] peek_char((0x563acd73bee0), ')')
^  Call: (210) [user] is_delimiter(')')
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] arg(_904748, v('(', ')', end_of_file), ')')
   Exit: (211) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (210) [user] is_delimiter(')')
   Call: (210) [system] _899094=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (209) [system] _885158=[e]
   Exit: (209) [system] [e]=[e]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [e])
   Call: (208) [system] _871222=[d, e]
   Exit: (208) [system] [d, e]=[d, e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, e])
^  Call: (207) [user] classify_and_convert_charseq([c, d, e], _835712)
^  Call: (208) [user] classify_and_convert_charseq_([c, d, e], _916772)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_917724, _917726), once(user:catch(read_from_chars([c, d, e], _916772), _917706, fail)), '$restore_trace'(_917724, _917726))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_917724, _917726))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _917706, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(cde)
   Exit: (209) [system] atomic(cde)
^  Exit: (208) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (208) [system] integer(cde)
   Fail: (208) [system] integer(cde)
   Call: (208) [system] _835712=cde
   Exit: (208) [system] cde=cde
^  Exit: (207) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (206) [user] read_symbolic(')', (0x563acd73bee0), c, cde)
^  Exit: (205) [user] cont_sexpr(')', (0x563acd73bee0), cde)
^  Call: (205) [user] read_list(')', (0x563acd73bee0), _929852)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _931710)
   Exit: (207) [system] peek_char((0x563acd73bee0), ')')
   Call: (207) [system] ')'=(;)
   Fail: (207) [system] ')'=(;)
   Call: (207) [system] ')'=(/)
   Fail: (207) [system] ')'=(/)
^  Call: (207) [user] is_like_space(')')
   Call: (208) [system] char_type(')', 'white')
   Fail: (208) [system] char_type(')', 'white')
   Call: (208) [system] char_type(')', end_of_line)
   Fail: (208) [system] char_type(')', end_of_line)
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] char_type(')', cntrl)
   Fail: (208) [system] char_type(')', cntrl)
^  Fail: (207) [user] is_like_space(')')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _947720)
   Exit: (206) [system] peek_char((0x563acd73bee0), ')')
   Call: (206) [system] ')'=')'
   Exit: (206) [system] ')'=')'
   Call: (206) [system] get_char((0x563acd73bee0), _951510)
   Exit: (206) [system] get_char((0x563acd73bee0), ')')
   Call: (206) [system] _929852=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_list(')', (0x563acd73bee0), [])
   Call: (205) [system] _799052=[cde]
   Exit: (205) [system] [cde]=[cde]
^  Exit: (204) [user] read_list(')', (0x563acd73bee0), [cde])
   Call: (204) [system] _670124=[cde, cde]
   Exit: (204) [system] [cde, cde]=[cde, cde]
^  Exit: (203) [user] read_list(')', (0x563acd73bee0), [cde, cde])
   Call: (203) [system] _196368=['ConjunctionIntroduction', cde, cde]
   Exit: (203) [system] ['ConjunctionIntroduction', cde, cde]=['ConjunctionIntroduction', cde, cde]
^  Exit: (202) [user] read_list(')', (0x563acd73bee0), ['ConjunctionIntroduction', cde, cde])
^  Exit: (201) [user] cont_sexpr(')', (0x563acd73bee0), ['ConjunctionIntroduction', cde, cde])
^  Call: (201) [user] read_list(')', (0x563acd73bee0), _965392)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _967250)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x563acd73bee0), _976844)
   Exit: (203) [system] get_char((0x563acd73bee0), ' ')
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _979548)
   Exit: (204) [system] peek_char((0x563acd73bee0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
   Call: (204) [system] '('=(/)
   Fail: (204) [system] '('=(/)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _996482)
   Exit: (202) [system] peek_char((0x563acd73bee0), '(')
   Call: (202) [system] '('=')'
   Fail: (202) [system] '('=')'
   Call: (202) [system] '('=end_of_file
   Fail: (202) [system] '('=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x563acd73bee0), _1002052)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1003910)
   Exit: (204) [system] peek_char((0x563acd73bee0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
   Call: (204) [system] '('=(/)
   Fail: (204) [system] '('=(/)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] get_char((0x563acd73bee0), _1019920)
   Exit: (203) [system] get_char((0x563acd73bee0), '(')
   Call: (203) [system] '('='('
   Exit: (203) [system] '('='('
^  Call: (203) [user] read_list(')', (0x563acd73bee0), _1002052)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1025490)
   Exit: (205) [system] peek_char((0x563acd73bee0), 'A')
   Call: (205) [system] 'A'=(;)
   Fail: (205) [system] 'A'=(;)
   Call: (205) [system] 'A'=(/)
   Fail: (205) [system] 'A'=(/)
^  Call: (205) [user] is_like_space('A')
   Call: (206) [system] char_type('A', 'white')
   Fail: (206) [system] char_type('A', 'white')
   Call: (206) [system] char_type('A', end_of_line)
   Fail: (206) [system] char_type('A', end_of_line)
   Call: (206) [system] char_type('A', space)
   Fail: (206) [system] char_type('A', space)
   Call: (206) [system] char_type('A', cntrl)
   Fail: (206) [system] char_type('A', cntrl)
^  Fail: (205) [user] is_like_space('A')
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1041500)
   Exit: (204) [system] peek_char((0x563acd73bee0), 'A')
   Call: (204) [system] 'A'=')'
   Fail: (204) [system] 'A'=')'
   Call: (204) [system] 'A'=end_of_file
   Fail: (204) [system] 'A'=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x563acd73bee0), _1047070)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1048928)
   Exit: (206) [system] peek_char((0x563acd73bee0), 'A')
   Call: (206) [system] 'A'=(;)
   Fail: (206) [system] 'A'=(;)
   Call: (206) [system] 'A'=(/)
   Fail: (206) [system] 'A'=(/)
^  Call: (206) [user] is_like_space('A')
   Call: (207) [system] char_type('A', 'white')
   Fail: (207) [system] char_type('A', 'white')
   Call: (207) [system] char_type('A', end_of_line)
   Fail: (207) [system] char_type('A', end_of_line)
   Call: (207) [system] char_type('A', space)
   Fail: (207) [system] char_type('A', space)
   Call: (207) [system] char_type('A', cntrl)
   Fail: (207) [system] char_type('A', cntrl)
^  Fail: (206) [user] is_like_space('A')
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] get_char((0x563acd73bee0), _1064938)
   Exit: (205) [system] get_char((0x563acd73bee0), 'A')
   Call: (205) [system] 'A'='('
   Fail: (205) [system] 'A'='('
   Call: (205) [system] 'A'='['
   Fail: (205) [system] 'A'='['
   Call: (205) [system] 'A'='{'
   Fail: (205) [system] 'A'='{'
   Call: (205) [system] 'A'='"'
   Fail: (205) [system] 'A'='"'
   Call: (205) [system] 'A'=!
   Fail: (205) [system] 'A'=!
   Call: (205) [system] 'A'='\''
   Fail: (205) [system] 'A'='\''
   Call: (205) [system] 'A'='`'
   Fail: (205) [system] 'A'='`'
   Call: (205) [system] 'A'=end_of_file
   Fail: (205) [system] 'A'=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x563acd73bee0), 'A', _1047070)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1082580)
   Call: (207) [system] peek_char((0x563acd73bee0), _1083514)
   Exit: (207) [system] peek_char((0x563acd73bee0), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Fail: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_1088234, v('(', ')', end_of_file), n)
   Fail: (208) [system] arg(_1089166, v('(', ')', end_of_file), n)
^  Fail: (207) [user] is_delimiter(n)
   Call: (207) [system] ')'==n
   Fail: (207) [system] ')'==n
   Call: (207) [system] get_char((0x563acd73bee0), n)
   Exit: (207) [system] get_char((0x563acd73bee0), n)
   Call: (207) [system] n=(\)
   Fail: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1096516)
   Call: (208) [system] peek_char((0x563acd73bee0), _1097450)
   Exit: (208) [system] peek_char((0x563acd73bee0), d)
^  Call: (208) [user] is_delimiter(d)
   Call: (209) [system] char_type(d, space)
   Fail: (209) [system] char_type(d, space)
   Call: (209) [system] arg(_1102170, v('(', ')', end_of_file), d)
   Fail: (209) [system] arg(_1103102, v('(', ')', end_of_file), d)
^  Fail: (208) [user] is_delimiter(d)
   Call: (208) [system] ')'==d
   Fail: (208) [system] ')'==d
   Call: (208) [system] get_char((0x563acd73bee0), d)
   Exit: (208) [system] get_char((0x563acd73bee0), d)
   Call: (208) [system] d=(\)
   Fail: (208) [system] d=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1110452)
   Call: (209) [system] peek_char((0x563acd73bee0), _1111386)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (209) [user] is_delimiter('L')
   Call: (210) [system] char_type('L', space)
   Fail: (210) [system] char_type('L', space)
   Call: (210) [system] arg(_1116106, v('(', ')', end_of_file), 'L')
   Fail: (210) [system] arg(_1117038, v('(', ')', end_of_file), 'L')
^  Fail: (209) [user] is_delimiter('L')
   Call: (209) [system] ')'=='L'
   Fail: (209) [system] ')'=='L'
   Call: (209) [system] get_char((0x563acd73bee0), 'L')
   Exit: (209) [system] get_char((0x563acd73bee0), 'L')
   Call: (209) [system] 'L'=(\)
   Fail: (209) [system] 'L'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1124388)
   Call: (210) [system] peek_char((0x563acd73bee0), _1125322)
   Exit: (210) [system] peek_char((0x563acd73bee0), i)
^  Call: (210) [user] is_delimiter(i)
   Call: (211) [system] char_type(i, space)
   Fail: (211) [system] char_type(i, space)
   Call: (211) [system] arg(_1130042, v('(', ')', end_of_file), i)
   Fail: (211) [system] arg(_1130974, v('(', ')', end_of_file), i)
^  Fail: (210) [user] is_delimiter(i)
   Call: (210) [system] ')'==i
   Fail: (210) [system] ')'==i
   Call: (210) [system] get_char((0x563acd73bee0), i)
   Exit: (210) [system] get_char((0x563acd73bee0), i)
   Call: (210) [system] i=(\)
   Fail: (210) [system] i=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1138324)
   Call: (211) [system] peek_char((0x563acd73bee0), _1139258)
   Exit: (211) [system] peek_char((0x563acd73bee0), n)
^  Call: (211) [user] is_delimiter(n)
   Call: (212) [system] char_type(n, space)
   Fail: (212) [system] char_type(n, space)
   Call: (212) [system] arg(_1143978, v('(', ')', end_of_file), n)
   Fail: (212) [system] arg(_1144910, v('(', ')', end_of_file), n)
^  Fail: (211) [user] is_delimiter(n)
   Call: (211) [system] ')'==n
   Fail: (211) [system] ')'==n
   Call: (211) [system] get_char((0x563acd73bee0), n)
   Exit: (211) [system] get_char((0x563acd73bee0), n)
   Call: (211) [system] n=(\)
   Fail: (211) [system] n=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1152260)
   Call: (212) [system] peek_char((0x563acd73bee0), _1153194)
   Exit: (212) [system] peek_char((0x563acd73bee0), k)
^  Call: (212) [user] is_delimiter(k)
   Call: (213) [system] char_type(k, space)
   Fail: (213) [system] char_type(k, space)
   Call: (213) [system] arg(_1157914, v('(', ')', end_of_file), k)
   Fail: (213) [system] arg(_1158846, v('(', ')', end_of_file), k)
^  Fail: (212) [user] is_delimiter(k)
   Call: (212) [system] ')'==k
   Fail: (212) [system] ')'==k
   Call: (212) [system] get_char((0x563acd73bee0), k)
   Exit: (212) [system] get_char((0x563acd73bee0), k)
   Call: (212) [system] k=(\)
   Fail: (212) [system] k=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _1166196)
   Call: (213) [system] peek_char((0x563acd73bee0), _1167130)
   Exit: (213) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (213) [user] is_delimiter(' ')
   Call: (214) [system] char_type(' ', space)
   Exit: (214) [system] char_type(' ', space)
^  Exit: (213) [user] is_delimiter(' ')
   Call: (213) [system] _1166196=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (212) [system] _1152260=[k]
   Exit: (212) [system] [k]=[k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (211) [system] _1138324=[n, k]
   Exit: (211) [system] [n, k]=[n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (210) [system] _1124388=[i, n, k]
   Exit: (210) [system] [i, n, k]=[i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (209) [system] _1110452=['L', i, n, k]
   Exit: (209) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (208) [system] _1096516=[d, 'L', i, n, k]
   Exit: (208) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, 'L', i, n, k])
   Call: (207) [system] _1082580=[n, d, 'L', i, n, k]
   Exit: (207) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, d, 'L', i, n, k])
^  Call: (206) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1047070)
^  Call: (207) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1193178)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_1194130, _1194132), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1193178), _1194112, fail)), '$restore_trace'(_1194130, _1194132))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_1194130, _1194132))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1193178), _1194112, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(_1193178)
   Fail: (208) [system] atomic(_1193178)
   Call: (208) [system] atom_chars(_1193178, ['A', n, d, 'L', i, n, k])
   Exit: (208) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (207) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (207) [system] integer('AndLink')
   Fail: (207) [system] integer('AndLink')
   Call: (207) [system] _1047070='AndLink'
   Exit: (207) [system] 'AndLink'='AndLink'
^  Exit: (206) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (205) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'AndLink')
^  Exit: (204) [user] cont_sexpr(')', (0x563acd73bee0), 'AndLink')
^  Call: (204) [user] read_list(')', (0x563acd73bee0), _1208128)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1209986)
   Exit: (206) [system] peek_char((0x563acd73bee0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
   Call: (206) [system] ' '=(/)
   Fail: (206) [system] ' '=(/)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x563acd73bee0), _1219580)
   Exit: (206) [system] get_char((0x563acd73bee0), ' ')
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1222284)
   Exit: (207) [system] peek_char((0x563acd73bee0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1239218)
   Exit: (205) [system] peek_char((0x563acd73bee0), '(')
   Call: (205) [system] '('=')'
   Fail: (205) [system] '('=')'
   Call: (205) [system] '('=end_of_file
   Fail: (205) [system] '('=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x563acd73bee0), _1244788)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1246646)
   Exit: (207) [system] peek_char((0x563acd73bee0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] get_char((0x563acd73bee0), _1262656)
   Exit: (206) [system] get_char((0x563acd73bee0), '(')
   Call: (206) [system] '('='('
   Exit: (206) [system] '('='('
^  Call: (206) [user] read_list(')', (0x563acd73bee0), _1244788)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1268226)
   Exit: (208) [system] peek_char((0x563acd73bee0), 'I')
   Call: (208) [system] 'I'=(;)
   Fail: (208) [system] 'I'=(;)
   Call: (208) [system] 'I'=(/)
   Fail: (208) [system] 'I'=(/)
^  Call: (208) [user] is_like_space('I')
   Call: (209) [system] char_type('I', 'white')
   Fail: (209) [system] char_type('I', 'white')
   Call: (209) [system] char_type('I', end_of_line)
   Fail: (209) [system] char_type('I', end_of_line)
   Call: (209) [system] char_type('I', space)
   Fail: (209) [system] char_type('I', space)
   Call: (209) [system] char_type('I', cntrl)
   Fail: (209) [system] char_type('I', cntrl)
^  Fail: (208) [user] is_like_space('I')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1284236)
   Exit: (207) [system] peek_char((0x563acd73bee0), 'I')
   Call: (207) [system] 'I'=')'
   Fail: (207) [system] 'I'=')'
   Call: (207) [system] 'I'=end_of_file
   Fail: (207) [system] 'I'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x563acd73bee0), _1289806)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1291664)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'I')
   Call: (209) [system] 'I'=(;)
   Fail: (209) [system] 'I'=(;)
   Call: (209) [system] 'I'=(/)
   Fail: (209) [system] 'I'=(/)
^  Call: (209) [user] is_like_space('I')
   Call: (210) [system] char_type('I', 'white')
   Fail: (210) [system] char_type('I', 'white')
   Call: (210) [system] char_type('I', end_of_line)
   Fail: (210) [system] char_type('I', end_of_line)
   Call: (210) [system] char_type('I', space)
   Fail: (210) [system] char_type('I', space)
   Call: (210) [system] char_type('I', cntrl)
   Fail: (210) [system] char_type('I', cntrl)
^  Fail: (209) [user] is_like_space('I')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] get_char((0x563acd73bee0), _1307674)
   Exit: (208) [system] get_char((0x563acd73bee0), 'I')
   Call: (208) [system] 'I'='('
   Fail: (208) [system] 'I'='('
   Call: (208) [system] 'I'='['
   Fail: (208) [system] 'I'='['
   Call: (208) [system] 'I'='{'
   Fail: (208) [system] 'I'='{'
   Call: (208) [system] 'I'='"'
   Fail: (208) [system] 'I'='"'
   Call: (208) [system] 'I'=!
   Fail: (208) [system] 'I'=!
   Call: (208) [system] 'I'='\''
   Fail: (208) [system] 'I'='\''
   Call: (208) [system] 'I'='`'
   Fail: (208) [system] 'I'='`'
   Call: (208) [system] 'I'=end_of_file
   Fail: (208) [system] 'I'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x563acd73bee0), 'I', _1289806)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1325316)
   Call: (210) [system] peek_char((0x563acd73bee0), _1326250)
   Exit: (210) [system] peek_char((0x563acd73bee0), m)
^  Call: (210) [user] is_delimiter(m)
   Call: (211) [system] char_type(m, space)
   Fail: (211) [system] char_type(m, space)
   Call: (211) [system] arg(_1330970, v('(', ')', end_of_file), m)
   Fail: (211) [system] arg(_1331902, v('(', ')', end_of_file), m)
^  Fail: (210) [user] is_delimiter(m)
   Call: (210) [system] ')'==m
   Fail: (210) [system] ')'==m
   Call: (210) [system] get_char((0x563acd73bee0), m)
   Exit: (210) [system] get_char((0x563acd73bee0), m)
   Call: (210) [system] m=(\)
   Fail: (210) [system] m=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1339252)
   Call: (211) [system] peek_char((0x563acd73bee0), _1340186)
   Exit: (211) [system] peek_char((0x563acd73bee0), p)
^  Call: (211) [user] is_delimiter(p)
   Call: (212) [system] char_type(p, space)
   Fail: (212) [system] char_type(p, space)
   Call: (212) [system] arg(_1344906, v('(', ')', end_of_file), p)
   Fail: (212) [system] arg(_1345838, v('(', ')', end_of_file), p)
^  Fail: (211) [user] is_delimiter(p)
   Call: (211) [system] ')'==p
   Fail: (211) [system] ')'==p
   Call: (211) [system] get_char((0x563acd73bee0), p)
   Exit: (211) [system] get_char((0x563acd73bee0), p)
   Call: (211) [system] p=(\)
   Fail: (211) [system] p=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1353188)
   Call: (212) [system] peek_char((0x563acd73bee0), _1354122)
   Exit: (212) [system] peek_char((0x563acd73bee0), l)
^  Call: (212) [user] is_delimiter(l)
   Call: (213) [system] char_type(l, space)
   Fail: (213) [system] char_type(l, space)
   Call: (213) [system] arg(_1358842, v('(', ')', end_of_file), l)
   Fail: (213) [system] arg(_1359774, v('(', ')', end_of_file), l)
^  Fail: (212) [user] is_delimiter(l)
   Call: (212) [system] ')'==l
   Fail: (212) [system] ')'==l
   Call: (212) [system] get_char((0x563acd73bee0), l)
   Exit: (212) [system] get_char((0x563acd73bee0), l)
   Call: (212) [system] l=(\)
   Fail: (212) [system] l=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _1367124)
   Call: (213) [system] peek_char((0x563acd73bee0), _1368058)
   Exit: (213) [system] peek_char((0x563acd73bee0), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Fail: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_1372778, v('(', ')', end_of_file), i)
   Fail: (214) [system] arg(_1373710, v('(', ')', end_of_file), i)
^  Fail: (213) [user] is_delimiter(i)
   Call: (213) [system] ')'==i
   Fail: (213) [system] ')'==i
   Call: (213) [system] get_char((0x563acd73bee0), i)
   Exit: (213) [system] get_char((0x563acd73bee0), i)
   Call: (213) [system] i=(\)
   Fail: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _1381060)
   Call: (214) [system] peek_char((0x563acd73bee0), _1381994)
   Exit: (214) [system] peek_char((0x563acd73bee0), c)
^  Call: (214) [user] is_delimiter(c)
   Call: (215) [system] char_type(c, space)
   Fail: (215) [system] char_type(c, space)
   Call: (215) [system] arg(_1386714, v('(', ')', end_of_file), c)
   Fail: (215) [system] arg(_1387646, v('(', ')', end_of_file), c)
^  Fail: (214) [user] is_delimiter(c)
   Call: (214) [system] ')'==c
   Fail: (214) [system] ')'==c
   Call: (214) [system] get_char((0x563acd73bee0), c)
   Exit: (214) [system] get_char((0x563acd73bee0), c)
   Call: (214) [system] c=(\)
   Fail: (214) [system] c=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _1394996)
   Call: (215) [system] peek_char((0x563acd73bee0), _1395930)
   Exit: (215) [system] peek_char((0x563acd73bee0), a)
^  Call: (215) [user] is_delimiter(a)
   Call: (216) [system] char_type(a, space)
   Fail: (216) [system] char_type(a, space)
   Call: (216) [system] arg(_1400650, v('(', ')', end_of_file), a)
   Fail: (216) [system] arg(_1401582, v('(', ')', end_of_file), a)
^  Fail: (215) [user] is_delimiter(a)
   Call: (215) [system] ')'==a
   Fail: (215) [system] ')'==a
   Call: (215) [system] get_char((0x563acd73bee0), a)
   Exit: (215) [system] get_char((0x563acd73bee0), a)
   Call: (215) [system] a=(\)
   Fail: (215) [system] a=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _1408932)
   Call: (216) [system] peek_char((0x563acd73bee0), _1409866)
   Exit: (216) [system] peek_char((0x563acd73bee0), t)
^  Call: (216) [user] is_delimiter(t)
   Call: (217) [system] char_type(t, space)
   Fail: (217) [system] char_type(t, space)
   Call: (217) [system] arg(_1414586, v('(', ')', end_of_file), t)
   Fail: (217) [system] arg(_1415518, v('(', ')', end_of_file), t)
^  Fail: (216) [user] is_delimiter(t)
   Call: (216) [system] ')'==t
   Fail: (216) [system] ')'==t
   Call: (216) [system] get_char((0x563acd73bee0), t)
   Exit: (216) [system] get_char((0x563acd73bee0), t)
   Call: (216) [system] t=(\)
   Fail: (216) [system] t=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _1422868)
   Call: (217) [system] peek_char((0x563acd73bee0), _1423802)
   Exit: (217) [system] peek_char((0x563acd73bee0), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_1428522, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_1429454, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x563acd73bee0), i)
   Exit: (217) [system] get_char((0x563acd73bee0), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _1436804)
   Call: (218) [system] peek_char((0x563acd73bee0), _1437738)
   Exit: (218) [system] peek_char((0x563acd73bee0), o)
^  Call: (218) [user] is_delimiter(o)
   Call: (219) [system] char_type(o, space)
   Fail: (219) [system] char_type(o, space)
   Call: (219) [system] arg(_1442458, v('(', ')', end_of_file), o)
   Fail: (219) [system] arg(_1443390, v('(', ')', end_of_file), o)
^  Fail: (218) [user] is_delimiter(o)
   Call: (218) [system] ')'==o
   Fail: (218) [system] ')'==o
   Call: (218) [system] get_char((0x563acd73bee0), o)
   Exit: (218) [system] get_char((0x563acd73bee0), o)
   Call: (218) [system] o=(\)
   Fail: (218) [system] o=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _1450740)
   Call: (219) [system] peek_char((0x563acd73bee0), _1451674)
   Exit: (219) [system] peek_char((0x563acd73bee0), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_1456394, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_1457326, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x563acd73bee0), n)
   Exit: (219) [system] get_char((0x563acd73bee0), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _1464676)
   Call: (220) [system] peek_char((0x563acd73bee0), _1465610)
   Exit: (220) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _1464676=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (219) [system] _1450740=[n]
   Exit: (219) [system] [n]=[n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (218) [system] _1436804=[o, n]
   Exit: (218) [system] [o, n]=[o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (217) [system] _1422868=[i, o, n]
   Exit: (217) [system] [i, o, n]=[i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (216) [system] _1408932=[t, i, o, n]
   Exit: (216) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (215) [system] _1394996=[a, t, i, o, n]
   Exit: (215) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (214) [system] _1381060=[c, a, t, i, o, n]
   Exit: (214) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (213) [system] _1367124=[i, c, a, t, i, o, n]
   Exit: (213) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (212) [system] _1353188=[l, i, c, a, t, i, o, n]
   Exit: (212) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (211) [system] _1339252=[p, l, i, c, a, t, i, o, n]
   Exit: (211) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (210) [system] _1325316=[m, p, l, i, c, a, t, i, o, n]
   Exit: (210) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (209) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1289806)
^  Call: (210) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1502834)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1503786, _1503788), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1502834), _1503768, fail)), '$restore_trace'(_1503786, _1503788))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1503786, _1503788))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1502834), _1503768, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_1502834)
   Fail: (211) [system] atomic(_1502834)
   Call: (211) [system] atom_chars(_1502834, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (211) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (210) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (210) [system] integer('Implication')
   Fail: (210) [system] integer('Implication')
   Call: (210) [system] _1289806='Implication'
   Exit: (210) [system] 'Implication'='Implication'
^  Exit: (209) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (208) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (207) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (207) [user] read_list(')', (0x563acd73bee0), _1517784)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1519642)
   Exit: (209) [system] peek_char((0x563acd73bee0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x563acd73bee0), _1529236)
   Exit: (209) [system] get_char((0x563acd73bee0), ' ')
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1531940)
   Exit: (210) [system] peek_char((0x563acd73bee0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1548874)
   Exit: (208) [system] peek_char((0x563acd73bee0), '(')
   Call: (208) [system] '('=')'
   Fail: (208) [system] '('=')'
   Call: (208) [system] '('=end_of_file
   Fail: (208) [system] '('=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x563acd73bee0), _1554444)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1556302)
   Exit: (210) [system] peek_char((0x563acd73bee0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] get_char((0x563acd73bee0), _1572312)
   Exit: (209) [system] get_char((0x563acd73bee0), '(')
   Call: (209) [system] '('='('
   Exit: (209) [system] '('='('
^  Call: (209) [user] read_list(')', (0x563acd73bee0), _1554444)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1577882)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'O')
   Call: (211) [system] 'O'=(;)
   Fail: (211) [system] 'O'=(;)
   Call: (211) [system] 'O'=(/)
   Fail: (211) [system] 'O'=(/)
^  Call: (211) [user] is_like_space('O')
   Call: (212) [system] char_type('O', 'white')
   Fail: (212) [system] char_type('O', 'white')
   Call: (212) [system] char_type('O', end_of_line)
   Fail: (212) [system] char_type('O', end_of_line)
   Call: (212) [system] char_type('O', space)
   Fail: (212) [system] char_type('O', space)
   Call: (212) [system] char_type('O', cntrl)
   Fail: (212) [system] char_type('O', cntrl)
^  Fail: (211) [user] is_like_space('O')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1593892)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'O')
   Call: (210) [system] 'O'=')'
   Fail: (210) [system] 'O'=')'
   Call: (210) [system] 'O'=end_of_file
   Fail: (210) [system] 'O'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x563acd73bee0), _1599462)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1601320)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'O')
   Call: (212) [system] 'O'=(;)
   Fail: (212) [system] 'O'=(;)
   Call: (212) [system] 'O'=(/)
   Fail: (212) [system] 'O'=(/)
^  Call: (212) [user] is_like_space('O')
   Call: (213) [system] char_type('O', 'white')
   Fail: (213) [system] char_type('O', 'white')
   Call: (213) [system] char_type('O', end_of_line)
   Fail: (213) [system] char_type('O', end_of_line)
   Call: (213) [system] char_type('O', space)
   Fail: (213) [system] char_type('O', space)
   Call: (213) [system] char_type('O', cntrl)
   Fail: (213) [system] char_type('O', cntrl)
^  Fail: (212) [user] is_like_space('O')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] get_char((0x563acd73bee0), _1617330)
   Exit: (211) [system] get_char((0x563acd73bee0), 'O')
   Call: (211) [system] 'O'='('
   Fail: (211) [system] 'O'='('
   Call: (211) [system] 'O'='['
   Fail: (211) [system] 'O'='['
   Call: (211) [system] 'O'='{'
   Fail: (211) [system] 'O'='{'
   Call: (211) [system] 'O'='"'
   Fail: (211) [system] 'O'='"'
   Call: (211) [system] 'O'=!
   Fail: (211) [system] 'O'=!
   Call: (211) [system] 'O'='\''
   Fail: (211) [system] 'O'='\''
   Call: (211) [system] 'O'='`'
   Fail: (211) [system] 'O'='`'
   Call: (211) [system] 'O'=end_of_file
   Fail: (211) [system] 'O'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x563acd73bee0), 'O', _1599462)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _1634972)
   Call: (213) [system] peek_char((0x563acd73bee0), _1635906)
   Exit: (213) [system] peek_char((0x563acd73bee0), r)
^  Call: (213) [user] is_delimiter(r)
   Call: (214) [system] char_type(r, space)
   Fail: (214) [system] char_type(r, space)
   Call: (214) [system] arg(_1640626, v('(', ')', end_of_file), r)
   Fail: (214) [system] arg(_1641558, v('(', ')', end_of_file), r)
^  Fail: (213) [user] is_delimiter(r)
   Call: (213) [system] ')'==r
   Fail: (213) [system] ')'==r
   Call: (213) [system] get_char((0x563acd73bee0), r)
   Exit: (213) [system] get_char((0x563acd73bee0), r)
   Call: (213) [system] r=(\)
   Fail: (213) [system] r=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _1648908)
   Call: (214) [system] peek_char((0x563acd73bee0), _1649842)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (214) [user] is_delimiter('L')
   Call: (215) [system] char_type('L', space)
   Fail: (215) [system] char_type('L', space)
   Call: (215) [system] arg(_1654562, v('(', ')', end_of_file), 'L')
   Fail: (215) [system] arg(_1655494, v('(', ')', end_of_file), 'L')
^  Fail: (214) [user] is_delimiter('L')
   Call: (214) [system] ')'=='L'
   Fail: (214) [system] ')'=='L'
   Call: (214) [system] get_char((0x563acd73bee0), 'L')
   Exit: (214) [system] get_char((0x563acd73bee0), 'L')
   Call: (214) [system] 'L'=(\)
   Fail: (214) [system] 'L'=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _1662844)
   Call: (215) [system] peek_char((0x563acd73bee0), _1663778)
   Exit: (215) [system] peek_char((0x563acd73bee0), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Fail: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_1668498, v('(', ')', end_of_file), i)
   Fail: (216) [system] arg(_1669430, v('(', ')', end_of_file), i)
^  Fail: (215) [user] is_delimiter(i)
   Call: (215) [system] ')'==i
   Fail: (215) [system] ')'==i
   Call: (215) [system] get_char((0x563acd73bee0), i)
   Exit: (215) [system] get_char((0x563acd73bee0), i)
   Call: (215) [system] i=(\)
   Fail: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _1676780)
   Call: (216) [system] peek_char((0x563acd73bee0), _1677714)
   Exit: (216) [system] peek_char((0x563acd73bee0), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_1682434, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_1683366, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x563acd73bee0), n)
   Exit: (216) [system] get_char((0x563acd73bee0), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _1690716)
   Call: (217) [system] peek_char((0x563acd73bee0), _1691650)
   Exit: (217) [system] peek_char((0x563acd73bee0), k)
^  Call: (217) [user] is_delimiter(k)
   Call: (218) [system] char_type(k, space)
   Fail: (218) [system] char_type(k, space)
   Call: (218) [system] arg(_1696370, v('(', ')', end_of_file), k)
   Fail: (218) [system] arg(_1697302, v('(', ')', end_of_file), k)
^  Fail: (217) [user] is_delimiter(k)
   Call: (217) [system] ')'==k
   Fail: (217) [system] ')'==k
   Call: (217) [system] get_char((0x563acd73bee0), k)
   Exit: (217) [system] get_char((0x563acd73bee0), k)
   Call: (217) [system] k=(\)
   Fail: (217) [system] k=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _1704652)
   Call: (218) [system] peek_char((0x563acd73bee0), _1705586)
   Exit: (218) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _1704652=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (217) [system] _1690716=[k]
   Exit: (217) [system] [k]=[k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (216) [system] _1676780=[n, k]
   Exit: (216) [system] [n, k]=[n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (215) [system] _1662844=[i, n, k]
   Exit: (215) [system] [i, n, k]=[i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (214) [system] _1648908=['L', i, n, k]
   Exit: (214) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (213) [system] _1634972=[r, 'L', i, n, k]
   Exit: (213) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (212) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1599462)
^  Call: (213) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1728840)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_1729792, _1729794), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1728840), _1729774, fail)), '$restore_trace'(_1729792, _1729794))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_1729792, _1729794))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1728840), _1729774, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_1728840)
   Fail: (214) [system] atomic(_1728840)
   Call: (214) [system] atom_chars(_1728840, ['O', r, 'L', i, n, k])
   Exit: (214) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (213) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (213) [system] integer('OrLink')
   Fail: (213) [system] integer('OrLink')
   Call: (213) [system] _1599462='OrLink'
   Exit: (213) [system] 'OrLink'='OrLink'
^  Exit: (212) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (211) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (210) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (210) [user] read_list(')', (0x563acd73bee0), _1743790)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1745648)
   Exit: (212) [system] peek_char((0x563acd73bee0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x563acd73bee0), _1755242)
   Exit: (212) [system] get_char((0x563acd73bee0), ' ')
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1757946)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'C')
   Call: (213) [system] 'C'=(;)
   Fail: (213) [system] 'C'=(;)
   Call: (213) [system] 'C'=(/)
   Fail: (213) [system] 'C'=(/)
^  Call: (213) [user] is_like_space('C')
   Call: (214) [system] char_type('C', 'white')
   Fail: (214) [system] char_type('C', 'white')
   Call: (214) [system] char_type('C', end_of_line)
   Fail: (214) [system] char_type('C', end_of_line)
   Call: (214) [system] char_type('C', space)
   Fail: (214) [system] char_type('C', space)
   Call: (214) [system] char_type('C', cntrl)
   Fail: (214) [system] char_type('C', cntrl)
^  Fail: (213) [user] is_like_space('C')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1774880)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'C')
   Call: (211) [system] 'C'=')'
   Fail: (211) [system] 'C'=')'
   Call: (211) [system] 'C'=end_of_file
   Fail: (211) [system] 'C'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x563acd73bee0), _1780450)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1782308)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'C')
   Call: (213) [system] 'C'=(;)
   Fail: (213) [system] 'C'=(;)
   Call: (213) [system] 'C'=(/)
   Fail: (213) [system] 'C'=(/)
^  Call: (213) [user] is_like_space('C')
   Call: (214) [system] char_type('C', 'white')
   Fail: (214) [system] char_type('C', 'white')
   Call: (214) [system] char_type('C', end_of_line)
   Fail: (214) [system] char_type('C', end_of_line)
   Call: (214) [system] char_type('C', space)
   Fail: (214) [system] char_type('C', space)
   Call: (214) [system] char_type('C', cntrl)
   Fail: (214) [system] char_type('C', cntrl)
^  Fail: (213) [user] is_like_space('C')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] get_char((0x563acd73bee0), _1798318)
   Exit: (212) [system] get_char((0x563acd73bee0), 'C')
   Call: (212) [system] 'C'='('
   Fail: (212) [system] 'C'='('
   Call: (212) [system] 'C'='['
   Fail: (212) [system] 'C'='['
   Call: (212) [system] 'C'='{'
   Fail: (212) [system] 'C'='{'
   Call: (212) [system] 'C'='"'
   Fail: (212) [system] 'C'='"'
   Call: (212) [system] 'C'=!
   Fail: (212) [system] 'C'=!
   Call: (212) [system] 'C'='\''
   Fail: (212) [system] 'C'='\''
   Call: (212) [system] 'C'='`'
   Fail: (212) [system] 'C'='`'
   Call: (212) [system] 'C'=end_of_file
   Fail: (212) [system] 'C'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x563acd73bee0), 'C', _1780450)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _1815960)
   Call: (214) [system] peek_char((0x563acd73bee0), _1816894)
   Exit: (214) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _1815960=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (213) [user] classify_and_convert_charseq(['C'], _1780450)
^  Call: (214) [user] classify_and_convert_charseq_(['C'], _1826178)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1827130, _1827132), once(user:catch(read_from_chars(['C'], _1826178), _1827112, fail)), '$restore_trace'(_1827130, _1827132))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1827130, _1827132))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1826178), _1827112, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_1826178)
   Fail: (215) [system] atomic(_1826178)
   Call: (215) [system] atom_chars(_1826178, ['C'])
   Exit: (215) [system] atom_chars('C', ['C'])
^  Exit: (214) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (214) [system] integer('C')
   Fail: (214) [system] integer('C')
   Call: (214) [system] _1780450='C'
   Exit: (214) [system] 'C'='C'
^  Exit: (213) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (212) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (211) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (211) [user] read_list(')', (0x563acd73bee0), _1841128)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1842986)
   Exit: (213) [system] peek_char((0x563acd73bee0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x563acd73bee0), _1852580)
   Exit: (213) [system] get_char((0x563acd73bee0), ' ')
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1855284)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'D')
   Call: (214) [system] 'D'=(;)
   Fail: (214) [system] 'D'=(;)
   Call: (214) [system] 'D'=(/)
   Fail: (214) [system] 'D'=(/)
^  Call: (214) [user] is_like_space('D')
   Call: (215) [system] char_type('D', 'white')
   Fail: (215) [system] char_type('D', 'white')
   Call: (215) [system] char_type('D', end_of_line)
   Fail: (215) [system] char_type('D', end_of_line)
   Call: (215) [system] char_type('D', space)
   Fail: (215) [system] char_type('D', space)
   Call: (215) [system] char_type('D', cntrl)
   Fail: (215) [system] char_type('D', cntrl)
^  Fail: (214) [user] is_like_space('D')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1872218)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'D')
   Call: (212) [system] 'D'=')'
   Fail: (212) [system] 'D'=')'
   Call: (212) [system] 'D'=end_of_file
   Fail: (212) [system] 'D'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x563acd73bee0), _1877788)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1879646)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'D')
   Call: (214) [system] 'D'=(;)
   Fail: (214) [system] 'D'=(;)
   Call: (214) [system] 'D'=(/)
   Fail: (214) [system] 'D'=(/)
^  Call: (214) [user] is_like_space('D')
   Call: (215) [system] char_type('D', 'white')
   Fail: (215) [system] char_type('D', 'white')
   Call: (215) [system] char_type('D', end_of_line)
   Fail: (215) [system] char_type('D', end_of_line)
   Call: (215) [system] char_type('D', space)
   Fail: (215) [system] char_type('D', space)
   Call: (215) [system] char_type('D', cntrl)
   Fail: (215) [system] char_type('D', cntrl)
^  Fail: (214) [user] is_like_space('D')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] get_char((0x563acd73bee0), _1895656)
   Exit: (213) [system] get_char((0x563acd73bee0), 'D')
   Call: (213) [system] 'D'='('
   Fail: (213) [system] 'D'='('
   Call: (213) [system] 'D'='['
   Fail: (213) [system] 'D'='['
   Call: (213) [system] 'D'='{'
   Fail: (213) [system] 'D'='{'
   Call: (213) [system] 'D'='"'
   Fail: (213) [system] 'D'='"'
   Call: (213) [system] 'D'=!
   Fail: (213) [system] 'D'=!
   Call: (213) [system] 'D'='\''
   Fail: (213) [system] 'D'='\''
   Call: (213) [system] 'D'='`'
   Fail: (213) [system] 'D'='`'
   Call: (213) [system] 'D'=end_of_file
   Fail: (213) [system] 'D'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x563acd73bee0), 'D', _1877788)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _1913298)
   Call: (215) [system] peek_char((0x563acd73bee0), _1914232)
   Exit: (215) [system] peek_char((0x563acd73bee0), ')')
^  Call: (215) [user] is_delimiter(')')
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] arg(_1918952, v('(', ')', end_of_file), ')')
   Exit: (216) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (215) [user] is_delimiter(')')
   Call: (215) [system] _1913298=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (214) [user] classify_and_convert_charseq(['D'], _1877788)
^  Call: (215) [user] classify_and_convert_charseq_(['D'], _1925388)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_1926340, _1926342), once(user:catch(read_from_chars(['D'], _1925388), _1926322, fail)), '$restore_trace'(_1926340, _1926342))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_1926340, _1926342))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1925388), _1926322, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_1925388)
   Fail: (216) [system] atomic(_1925388)
   Call: (216) [system] atom_chars(_1925388, ['D'])
   Exit: (216) [system] atom_chars('D', ['D'])
^  Exit: (215) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (215) [system] integer('D')
   Fail: (215) [system] integer('D')
   Call: (215) [system] _1877788='D'
   Exit: (215) [system] 'D'='D'
^  Exit: (214) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (213) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'D')
^  Exit: (212) [user] cont_sexpr(')', (0x563acd73bee0), 'D')
^  Call: (212) [user] read_list(')', (0x563acd73bee0), _1940338)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1942196)
   Exit: (214) [system] peek_char((0x563acd73bee0), ')')
   Call: (214) [system] ')'=(;)
   Fail: (214) [system] ')'=(;)
   Call: (214) [system] ')'=(/)
   Fail: (214) [system] ')'=(/)
^  Call: (214) [user] is_like_space(')')
   Call: (215) [system] char_type(')', 'white')
   Fail: (215) [system] char_type(')', 'white')
   Call: (215) [system] char_type(')', end_of_line)
   Fail: (215) [system] char_type(')', end_of_line)
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] char_type(')', cntrl)
   Fail: (215) [system] char_type(')', cntrl)
^  Fail: (214) [user] is_like_space(')')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1958206)
   Exit: (213) [system] peek_char((0x563acd73bee0), ')')
   Call: (213) [system] ')'=')'
   Exit: (213) [system] ')'=')'
   Call: (213) [system] get_char((0x563acd73bee0), _1961996)
   Exit: (213) [system] get_char((0x563acd73bee0), ')')
   Call: (213) [system] _1940338=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_list(')', (0x563acd73bee0), [])
   Call: (212) [system] _1841128=['D']
   Exit: (212) [system] ['D']=['D']
^  Exit: (211) [user] read_list(')', (0x563acd73bee0), ['D'])
   Call: (211) [system] _1743790=['C', 'D']
   Exit: (211) [system] ['C', 'D']=['C', 'D']
^  Exit: (210) [user] read_list(')', (0x563acd73bee0), ['C', 'D'])
   Call: (210) [system] _1554444=['OrLink', 'C', 'D']
   Exit: (210) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (209) [user] read_list(')', (0x563acd73bee0), ['OrLink', 'C', 'D'])
^  Exit: (208) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', 'C', 'D'])
^  Call: (208) [user] read_list(')', (0x563acd73bee0), _1975878)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1977736)
   Exit: (210) [system] peek_char((0x563acd73bee0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x563acd73bee0), _1987330)
   Exit: (210) [system] get_char((0x563acd73bee0), ' ')
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1990034)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'E')
   Call: (211) [system] 'E'=(;)
   Fail: (211) [system] 'E'=(;)
   Call: (211) [system] 'E'=(/)
   Fail: (211) [system] 'E'=(/)
^  Call: (211) [user] is_like_space('E')
   Call: (212) [system] char_type('E', 'white')
   Fail: (212) [system] char_type('E', 'white')
   Call: (212) [system] char_type('E', end_of_line)
   Fail: (212) [system] char_type('E', end_of_line)
   Call: (212) [system] char_type('E', space)
   Fail: (212) [system] char_type('E', space)
   Call: (212) [system] char_type('E', cntrl)
   Fail: (212) [system] char_type('E', cntrl)
^  Fail: (211) [user] is_like_space('E')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _2006968)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'E')
   Call: (209) [system] 'E'=')'
   Fail: (209) [system] 'E'=')'
   Call: (209) [system] 'E'=end_of_file
   Fail: (209) [system] 'E'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x563acd73bee0), _2012538)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _2014396)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'E')
   Call: (211) [system] 'E'=(;)
   Fail: (211) [system] 'E'=(;)
   Call: (211) [system] 'E'=(/)
   Fail: (211) [system] 'E'=(/)
^  Call: (211) [user] is_like_space('E')
   Call: (212) [system] char_type('E', 'white')
   Fail: (212) [system] char_type('E', 'white')
   Call: (212) [system] char_type('E', end_of_line)
   Fail: (212) [system] char_type('E', end_of_line)
   Call: (212) [system] char_type('E', space)
   Fail: (212) [system] char_type('E', space)
   Call: (212) [system] char_type('E', cntrl)
   Fail: (212) [system] char_type('E', cntrl)
^  Fail: (211) [user] is_like_space('E')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] get_char((0x563acd73bee0), _2030406)
   Exit: (210) [system] get_char((0x563acd73bee0), 'E')
   Call: (210) [system] 'E'='('
   Fail: (210) [system] 'E'='('
   Call: (210) [system] 'E'='['
   Fail: (210) [system] 'E'='['
   Call: (210) [system] 'E'='{'
   Fail: (210) [system] 'E'='{'
   Call: (210) [system] 'E'='"'
   Fail: (210) [system] 'E'='"'
   Call: (210) [system] 'E'=!
   Fail: (210) [system] 'E'=!
   Call: (210) [system] 'E'='\''
   Fail: (210) [system] 'E'='\''
   Call: (210) [system] 'E'='`'
   Fail: (210) [system] 'E'='`'
   Call: (210) [system] 'E'=end_of_file
   Fail: (210) [system] 'E'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x563acd73bee0), 'E', _2012538)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _2048048)
   Call: (212) [system] peek_char((0x563acd73bee0), _2048982)
   Exit: (212) [system] peek_char((0x563acd73bee0), ')')
^  Call: (212) [user] is_delimiter(')')
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] arg(_2053702, v('(', ')', end_of_file), ')')
   Exit: (213) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (212) [user] is_delimiter(')')
   Call: (212) [system] _2048048=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (211) [user] classify_and_convert_charseq(['E'], _2012538)
^  Call: (212) [user] classify_and_convert_charseq_(['E'], _2060138)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_2061090, _2061092), once(user:catch(read_from_chars(['E'], _2060138), _2061072, fail)), '$restore_trace'(_2061090, _2061092))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_2061090, _2061092))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _2060138), _2061072, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_2060138)
   Fail: (213) [system] atomic(_2060138)
   Call: (213) [system] atom_chars(_2060138, ['E'])
   Exit: (213) [system] atom_chars('E', ['E'])
^  Exit: (212) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (212) [system] integer('E')
   Fail: (212) [system] integer('E')
   Call: (212) [system] _2012538='E'
   Exit: (212) [system] 'E'='E'
^  Exit: (211) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (210) [user] read_symbolic(')', (0x563acd73bee0), 'E', 'E')
^  Exit: (209) [user] cont_sexpr(')', (0x563acd73bee0), 'E')
^  Call: (209) [user] read_list(')', (0x563acd73bee0), _2075088)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _2076946)
   Exit: (211) [system] peek_char((0x563acd73bee0), ')')
   Call: (211) [system] ')'=(;)
   Fail: (211) [system] ')'=(;)
   Call: (211) [system] ')'=(/)
   Fail: (211) [system] ')'=(/)
^  Call: (211) [user] is_like_space(')')
   Call: (212) [system] char_type(')', 'white')
   Fail: (212) [system] char_type(')', 'white')
   Call: (212) [system] char_type(')', end_of_line)
   Fail: (212) [system] char_type(')', end_of_line)
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] char_type(')', cntrl)
   Fail: (212) [system] char_type(')', cntrl)
^  Fail: (211) [user] is_like_space(')')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _2092956)
   Exit: (210) [system] peek_char((0x563acd73bee0), ')')
   Call: (210) [system] ')'=')'
   Exit: (210) [system] ')'=')'
   Call: (210) [system] get_char((0x563acd73bee0), _4356)
   Exit: (210) [system] get_char((0x563acd73bee0), ')')
   Call: (210) [system] _4294=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_list(')', (0x563acd73bee0), [])
   Call: (209) [system] _4288=['E']
   Exit: (209) [system] ['E']=['E']
^  Exit: (208) [user] read_list(')', (0x563acd73bee0), ['E'])
   Call: (208) [system] _4264=[['OrLink', 'C', 'D'], 'E']
   Exit: (208) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (207) [user] read_list(')', (0x563acd73bee0), [['OrLink', 'C', 'D'], 'E'])
   Call: (207) [system] _4256=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (207) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (206) [user] read_list(')', (0x563acd73bee0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (205) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (205) [user] read_list(')', (0x563acd73bee0), _18078)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _19936)
   Exit: (207) [system] peek_char((0x563acd73bee0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
   Call: (207) [system] ' '=(/)
   Fail: (207) [system] ' '=(/)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x563acd73bee0), _29530)
   Exit: (207) [system] get_char((0x563acd73bee0), ' ')
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _32234)
   Exit: (208) [system] peek_char((0x563acd73bee0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _49168)
   Exit: (206) [system] peek_char((0x563acd73bee0), '(')
   Call: (206) [system] '('=')'
   Fail: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
   Fail: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x563acd73bee0), _54738)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _56596)
   Exit: (208) [system] peek_char((0x563acd73bee0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] get_char((0x563acd73bee0), _72606)
   Exit: (207) [system] get_char((0x563acd73bee0), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x563acd73bee0), _54738)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _78176)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'I')
   Call: (209) [system] 'I'=(;)
   Fail: (209) [system] 'I'=(;)
   Call: (209) [system] 'I'=(/)
   Fail: (209) [system] 'I'=(/)
^  Call: (209) [user] is_like_space('I')
   Call: (210) [system] char_type('I', 'white')
   Fail: (210) [system] char_type('I', 'white')
   Call: (210) [system] char_type('I', end_of_line)
   Fail: (210) [system] char_type('I', end_of_line)
   Call: (210) [system] char_type('I', space)
   Fail: (210) [system] char_type('I', space)
   Call: (210) [system] char_type('I', cntrl)
   Fail: (210) [system] char_type('I', cntrl)
^  Fail: (209) [user] is_like_space('I')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _94186)
   Exit: (208) [system] peek_char((0x563acd73bee0), 'I')
   Call: (208) [system] 'I'=')'
   Fail: (208) [system] 'I'=')'
   Call: (208) [system] 'I'=end_of_file
   Fail: (208) [system] 'I'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x563acd73bee0), _99756)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _101614)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'I')
   Call: (210) [system] 'I'=(;)
   Fail: (210) [system] 'I'=(;)
   Call: (210) [system] 'I'=(/)
   Fail: (210) [system] 'I'=(/)
^  Call: (210) [user] is_like_space('I')
   Call: (211) [system] char_type('I', 'white')
   Fail: (211) [system] char_type('I', 'white')
   Call: (211) [system] char_type('I', end_of_line)
   Fail: (211) [system] char_type('I', end_of_line)
   Call: (211) [system] char_type('I', space)
   Fail: (211) [system] char_type('I', space)
   Call: (211) [system] char_type('I', cntrl)
   Fail: (211) [system] char_type('I', cntrl)
^  Fail: (210) [user] is_like_space('I')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] get_char((0x563acd73bee0), _117624)
   Exit: (209) [system] get_char((0x563acd73bee0), 'I')
   Call: (209) [system] 'I'='('
   Fail: (209) [system] 'I'='('
   Call: (209) [system] 'I'='['
   Fail: (209) [system] 'I'='['
   Call: (209) [system] 'I'='{'
   Fail: (209) [system] 'I'='{'
   Call: (209) [system] 'I'='"'
   Fail: (209) [system] 'I'='"'
   Call: (209) [system] 'I'=!
   Fail: (209) [system] 'I'=!
   Call: (209) [system] 'I'='\''
   Fail: (209) [system] 'I'='\''
   Call: (209) [system] 'I'='`'
   Fail: (209) [system] 'I'='`'
   Call: (209) [system] 'I'=end_of_file
   Fail: (209) [system] 'I'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x563acd73bee0), 'I', _99756)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _135266)
   Call: (211) [system] peek_char((0x563acd73bee0), _136200)
   Exit: (211) [system] peek_char((0x563acd73bee0), m)
^  Call: (211) [user] is_delimiter(m)
   Call: (212) [system] char_type(m, space)
   Fail: (212) [system] char_type(m, space)
   Call: (212) [system] arg(_140920, v('(', ')', end_of_file), m)
   Fail: (212) [system] arg(_141852, v('(', ')', end_of_file), m)
^  Fail: (211) [user] is_delimiter(m)
   Call: (211) [system] ')'==m
   Fail: (211) [system] ')'==m
   Call: (211) [system] get_char((0x563acd73bee0), m)
   Exit: (211) [system] get_char((0x563acd73bee0), m)
   Call: (211) [system] m=(\)
   Fail: (211) [system] m=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _149202)
   Call: (212) [system] peek_char((0x563acd73bee0), _150136)
   Exit: (212) [system] peek_char((0x563acd73bee0), p)
^  Call: (212) [user] is_delimiter(p)
   Call: (213) [system] char_type(p, space)
   Fail: (213) [system] char_type(p, space)
   Call: (213) [system] arg(_154856, v('(', ')', end_of_file), p)
   Fail: (213) [system] arg(_155788, v('(', ')', end_of_file), p)
^  Fail: (212) [user] is_delimiter(p)
   Call: (212) [system] ')'==p
   Fail: (212) [system] ')'==p
   Call: (212) [system] get_char((0x563acd73bee0), p)
   Exit: (212) [system] get_char((0x563acd73bee0), p)
   Call: (212) [system] p=(\)
   Fail: (212) [system] p=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _163138)
   Call: (213) [system] peek_char((0x563acd73bee0), _164072)
   Exit: (213) [system] peek_char((0x563acd73bee0), l)
^  Call: (213) [user] is_delimiter(l)
   Call: (214) [system] char_type(l, space)
   Fail: (214) [system] char_type(l, space)
   Call: (214) [system] arg(_168792, v('(', ')', end_of_file), l)
   Fail: (214) [system] arg(_169724, v('(', ')', end_of_file), l)
^  Fail: (213) [user] is_delimiter(l)
   Call: (213) [system] ')'==l
   Fail: (213) [system] ')'==l
   Call: (213) [system] get_char((0x563acd73bee0), l)
   Exit: (213) [system] get_char((0x563acd73bee0), l)
   Call: (213) [system] l=(\)
   Fail: (213) [system] l=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _177074)
   Call: (214) [system] peek_char((0x563acd73bee0), _178008)
   Exit: (214) [system] peek_char((0x563acd73bee0), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Fail: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_182728, v('(', ')', end_of_file), i)
   Fail: (215) [system] arg(_183660, v('(', ')', end_of_file), i)
^  Fail: (214) [user] is_delimiter(i)
   Call: (214) [system] ')'==i
   Fail: (214) [system] ')'==i
   Call: (214) [system] get_char((0x563acd73bee0), i)
   Exit: (214) [system] get_char((0x563acd73bee0), i)
   Call: (214) [system] i=(\)
   Fail: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _191010)
   Call: (215) [system] peek_char((0x563acd73bee0), _191944)
   Exit: (215) [system] peek_char((0x563acd73bee0), c)
^  Call: (215) [user] is_delimiter(c)
   Call: (216) [system] char_type(c, space)
   Fail: (216) [system] char_type(c, space)
   Call: (216) [system] arg(_196664, v('(', ')', end_of_file), c)
   Fail: (216) [system] arg(_197596, v('(', ')', end_of_file), c)
^  Fail: (215) [user] is_delimiter(c)
   Call: (215) [system] ')'==c
   Fail: (215) [system] ')'==c
   Call: (215) [system] get_char((0x563acd73bee0), c)
   Exit: (215) [system] get_char((0x563acd73bee0), c)
   Call: (215) [system] c=(\)
   Fail: (215) [system] c=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _204946)
   Call: (216) [system] peek_char((0x563acd73bee0), _205880)
   Exit: (216) [system] peek_char((0x563acd73bee0), a)
^  Call: (216) [user] is_delimiter(a)
   Call: (217) [system] char_type(a, space)
   Fail: (217) [system] char_type(a, space)
   Call: (217) [system] arg(_210600, v('(', ')', end_of_file), a)
   Fail: (217) [system] arg(_211532, v('(', ')', end_of_file), a)
^  Fail: (216) [user] is_delimiter(a)
   Call: (216) [system] ')'==a
   Fail: (216) [system] ')'==a
   Call: (216) [system] get_char((0x563acd73bee0), a)
   Exit: (216) [system] get_char((0x563acd73bee0), a)
   Call: (216) [system] a=(\)
   Fail: (216) [system] a=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _218882)
   Call: (217) [system] peek_char((0x563acd73bee0), _219816)
   Exit: (217) [system] peek_char((0x563acd73bee0), t)
^  Call: (217) [user] is_delimiter(t)
   Call: (218) [system] char_type(t, space)
   Fail: (218) [system] char_type(t, space)
   Call: (218) [system] arg(_224536, v('(', ')', end_of_file), t)
   Fail: (218) [system] arg(_225468, v('(', ')', end_of_file), t)
^  Fail: (217) [user] is_delimiter(t)
   Call: (217) [system] ')'==t
   Fail: (217) [system] ')'==t
   Call: (217) [system] get_char((0x563acd73bee0), t)
   Exit: (217) [system] get_char((0x563acd73bee0), t)
   Call: (217) [system] t=(\)
   Fail: (217) [system] t=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _232818)
   Call: (218) [system] peek_char((0x563acd73bee0), _233752)
   Exit: (218) [system] peek_char((0x563acd73bee0), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Fail: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_238472, v('(', ')', end_of_file), i)
   Fail: (219) [system] arg(_239404, v('(', ')', end_of_file), i)
^  Fail: (218) [user] is_delimiter(i)
   Call: (218) [system] ')'==i
   Fail: (218) [system] ')'==i
   Call: (218) [system] get_char((0x563acd73bee0), i)
   Exit: (218) [system] get_char((0x563acd73bee0), i)
   Call: (218) [system] i=(\)
   Fail: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _246754)
   Call: (219) [system] peek_char((0x563acd73bee0), _247688)
   Exit: (219) [system] peek_char((0x563acd73bee0), o)
^  Call: (219) [user] is_delimiter(o)
   Call: (220) [system] char_type(o, space)
   Fail: (220) [system] char_type(o, space)
   Call: (220) [system] arg(_252408, v('(', ')', end_of_file), o)
   Fail: (220) [system] arg(_253340, v('(', ')', end_of_file), o)
^  Fail: (219) [user] is_delimiter(o)
   Call: (219) [system] ')'==o
   Fail: (219) [system] ')'==o
   Call: (219) [system] get_char((0x563acd73bee0), o)
   Exit: (219) [system] get_char((0x563acd73bee0), o)
   Call: (219) [system] o=(\)
   Fail: (219) [system] o=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _260690)
   Call: (220) [system] peek_char((0x563acd73bee0), _261624)
   Exit: (220) [system] peek_char((0x563acd73bee0), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_266344, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_267276, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x563acd73bee0), n)
   Exit: (220) [system] get_char((0x563acd73bee0), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _274626)
   Call: (221) [system] peek_char((0x563acd73bee0), _275560)
   Exit: (221) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (221) [user] is_delimiter(' ')
   Call: (222) [system] char_type(' ', space)
   Exit: (222) [system] char_type(' ', space)
^  Exit: (221) [user] is_delimiter(' ')
   Call: (221) [system] _274626=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (220) [system] _260690=[n]
   Exit: (220) [system] [n]=[n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (219) [system] _246754=[o, n]
   Exit: (219) [system] [o, n]=[o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (218) [system] _232818=[i, o, n]
   Exit: (218) [system] [i, o, n]=[i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (217) [system] _218882=[t, i, o, n]
   Exit: (217) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (216) [system] _204946=[a, t, i, o, n]
   Exit: (216) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (215) [system] _191010=[c, a, t, i, o, n]
   Exit: (215) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (214) [system] _177074=[i, c, a, t, i, o, n]
   Exit: (214) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (213) [system] _163138=[l, i, c, a, t, i, o, n]
   Exit: (213) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (212) [system] _149202=[p, l, i, c, a, t, i, o, n]
   Exit: (212) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (211) [system] _135266=[m, p, l, i, c, a, t, i, o, n]
   Exit: (211) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (210) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _99756)
^  Call: (211) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _312784)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_313736, _313738), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _312784), _313718, fail)), '$restore_trace'(_313736, _313738))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_313736, _313738))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _312784), _313718, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_312784)
   Fail: (212) [system] atomic(_312784)
   Call: (212) [system] atom_chars(_312784, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (212) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (211) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (211) [system] integer('Implication')
   Fail: (211) [system] integer('Implication')
   Call: (211) [system] _99756='Implication'
   Exit: (211) [system] 'Implication'='Implication'
^  Exit: (210) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (209) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (208) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (208) [user] read_list(')', (0x563acd73bee0), _327734)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _329592)
   Exit: (210) [system] peek_char((0x563acd73bee0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x563acd73bee0), _339186)
   Exit: (210) [system] get_char((0x563acd73bee0), ' ')
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _341890)
   Exit: (211) [system] peek_char((0x563acd73bee0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _358824)
   Exit: (209) [system] peek_char((0x563acd73bee0), '(')
   Call: (209) [system] '('=')'
   Fail: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
   Fail: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x563acd73bee0), _364394)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _366252)
   Exit: (211) [system] peek_char((0x563acd73bee0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] get_char((0x563acd73bee0), _382262)
   Exit: (210) [system] get_char((0x563acd73bee0), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x563acd73bee0), _364394)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _387832)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'O')
   Call: (212) [system] 'O'=(;)
   Fail: (212) [system] 'O'=(;)
   Call: (212) [system] 'O'=(/)
   Fail: (212) [system] 'O'=(/)
^  Call: (212) [user] is_like_space('O')
   Call: (213) [system] char_type('O', 'white')
   Fail: (213) [system] char_type('O', 'white')
   Call: (213) [system] char_type('O', end_of_line)
   Fail: (213) [system] char_type('O', end_of_line)
   Call: (213) [system] char_type('O', space)
   Fail: (213) [system] char_type('O', space)
   Call: (213) [system] char_type('O', cntrl)
   Fail: (213) [system] char_type('O', cntrl)
^  Fail: (212) [user] is_like_space('O')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _403842)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'O')
   Call: (211) [system] 'O'=')'
   Fail: (211) [system] 'O'=')'
   Call: (211) [system] 'O'=end_of_file
   Fail: (211) [system] 'O'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x563acd73bee0), _409412)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _411270)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'O')
   Call: (213) [system] 'O'=(;)
   Fail: (213) [system] 'O'=(;)
   Call: (213) [system] 'O'=(/)
   Fail: (213) [system] 'O'=(/)
^  Call: (213) [user] is_like_space('O')
   Call: (214) [system] char_type('O', 'white')
   Fail: (214) [system] char_type('O', 'white')
   Call: (214) [system] char_type('O', end_of_line)
   Fail: (214) [system] char_type('O', end_of_line)
   Call: (214) [system] char_type('O', space)
   Fail: (214) [system] char_type('O', space)
   Call: (214) [system] char_type('O', cntrl)
   Fail: (214) [system] char_type('O', cntrl)
^  Fail: (213) [user] is_like_space('O')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] get_char((0x563acd73bee0), _427280)
   Exit: (212) [system] get_char((0x563acd73bee0), 'O')
   Call: (212) [system] 'O'='('
   Fail: (212) [system] 'O'='('
   Call: (212) [system] 'O'='['
   Fail: (212) [system] 'O'='['
   Call: (212) [system] 'O'='{'
   Fail: (212) [system] 'O'='{'
   Call: (212) [system] 'O'='"'
   Fail: (212) [system] 'O'='"'
   Call: (212) [system] 'O'=!
   Fail: (212) [system] 'O'=!
   Call: (212) [system] 'O'='\''
   Fail: (212) [system] 'O'='\''
   Call: (212) [system] 'O'='`'
   Fail: (212) [system] 'O'='`'
   Call: (212) [system] 'O'=end_of_file
   Fail: (212) [system] 'O'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x563acd73bee0), 'O', _409412)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _444922)
   Call: (214) [system] peek_char((0x563acd73bee0), _445856)
   Exit: (214) [system] peek_char((0x563acd73bee0), r)
^  Call: (214) [user] is_delimiter(r)
   Call: (215) [system] char_type(r, space)
   Fail: (215) [system] char_type(r, space)
   Call: (215) [system] arg(_450576, v('(', ')', end_of_file), r)
   Fail: (215) [system] arg(_451508, v('(', ')', end_of_file), r)
^  Fail: (214) [user] is_delimiter(r)
   Call: (214) [system] ')'==r
   Fail: (214) [system] ')'==r
   Call: (214) [system] get_char((0x563acd73bee0), r)
   Exit: (214) [system] get_char((0x563acd73bee0), r)
   Call: (214) [system] r=(\)
   Fail: (214) [system] r=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _458858)
   Call: (215) [system] peek_char((0x563acd73bee0), _459792)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (215) [user] is_delimiter('L')
   Call: (216) [system] char_type('L', space)
   Fail: (216) [system] char_type('L', space)
   Call: (216) [system] arg(_464512, v('(', ')', end_of_file), 'L')
   Fail: (216) [system] arg(_465444, v('(', ')', end_of_file), 'L')
^  Fail: (215) [user] is_delimiter('L')
   Call: (215) [system] ')'=='L'
   Fail: (215) [system] ')'=='L'
   Call: (215) [system] get_char((0x563acd73bee0), 'L')
   Exit: (215) [system] get_char((0x563acd73bee0), 'L')
   Call: (215) [system] 'L'=(\)
   Fail: (215) [system] 'L'=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _472794)
   Call: (216) [system] peek_char((0x563acd73bee0), _473728)
   Exit: (216) [system] peek_char((0x563acd73bee0), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Fail: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_478448, v('(', ')', end_of_file), i)
   Fail: (217) [system] arg(_479380, v('(', ')', end_of_file), i)
^  Fail: (216) [user] is_delimiter(i)
   Call: (216) [system] ')'==i
   Fail: (216) [system] ')'==i
   Call: (216) [system] get_char((0x563acd73bee0), i)
   Exit: (216) [system] get_char((0x563acd73bee0), i)
   Call: (216) [system] i=(\)
   Fail: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _486730)
   Call: (217) [system] peek_char((0x563acd73bee0), _487664)
   Exit: (217) [system] peek_char((0x563acd73bee0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_492384, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_493316, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x563acd73bee0), n)
   Exit: (217) [system] get_char((0x563acd73bee0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _500666)
   Call: (218) [system] peek_char((0x563acd73bee0), _501600)
   Exit: (218) [system] peek_char((0x563acd73bee0), k)
^  Call: (218) [user] is_delimiter(k)
   Call: (219) [system] char_type(k, space)
   Fail: (219) [system] char_type(k, space)
   Call: (219) [system] arg(_506320, v('(', ')', end_of_file), k)
   Fail: (219) [system] arg(_507252, v('(', ')', end_of_file), k)
^  Fail: (218) [user] is_delimiter(k)
   Call: (218) [system] ')'==k
   Fail: (218) [system] ')'==k
   Call: (218) [system] get_char((0x563acd73bee0), k)
   Exit: (218) [system] get_char((0x563acd73bee0), k)
   Call: (218) [system] k=(\)
   Fail: (218) [system] k=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _514602)
   Call: (219) [system] peek_char((0x563acd73bee0), _515536)
   Exit: (219) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _514602=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (218) [system] _500666=[k]
   Exit: (218) [system] [k]=[k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (217) [system] _486730=[n, k]
   Exit: (217) [system] [n, k]=[n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (216) [system] _472794=[i, n, k]
   Exit: (216) [system] [i, n, k]=[i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (215) [system] _458858=['L', i, n, k]
   Exit: (215) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (214) [system] _444922=[r, 'L', i, n, k]
   Exit: (214) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (213) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _409412)
^  Call: (214) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _538790)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_539742, _539744), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _538790), _539724, fail)), '$restore_trace'(_539742, _539744))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_539742, _539744))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _538790), _539724, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_538790)
   Fail: (215) [system] atomic(_538790)
   Call: (215) [system] atom_chars(_538790, ['O', r, 'L', i, n, k])
   Exit: (215) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (214) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (214) [system] integer('OrLink')
   Fail: (214) [system] integer('OrLink')
   Call: (214) [system] _409412='OrLink'
   Exit: (214) [system] 'OrLink'='OrLink'
^  Exit: (213) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (212) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (211) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (211) [user] read_list(')', (0x563acd73bee0), _553740)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _555598)
   Exit: (213) [system] peek_char((0x563acd73bee0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x563acd73bee0), _565192)
   Exit: (213) [system] get_char((0x563acd73bee0), ' ')
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _567896)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'C')
   Call: (214) [system] 'C'=(;)
   Fail: (214) [system] 'C'=(;)
   Call: (214) [system] 'C'=(/)
   Fail: (214) [system] 'C'=(/)
^  Call: (214) [user] is_like_space('C')
   Call: (215) [system] char_type('C', 'white')
   Fail: (215) [system] char_type('C', 'white')
   Call: (215) [system] char_type('C', end_of_line)
   Fail: (215) [system] char_type('C', end_of_line)
   Call: (215) [system] char_type('C', space)
   Fail: (215) [system] char_type('C', space)
   Call: (215) [system] char_type('C', cntrl)
   Fail: (215) [system] char_type('C', cntrl)
^  Fail: (214) [user] is_like_space('C')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _584830)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'C')
   Call: (212) [system] 'C'=')'
   Fail: (212) [system] 'C'=')'
   Call: (212) [system] 'C'=end_of_file
   Fail: (212) [system] 'C'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x563acd73bee0), _590400)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _592258)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'C')
   Call: (214) [system] 'C'=(;)
   Fail: (214) [system] 'C'=(;)
   Call: (214) [system] 'C'=(/)
   Fail: (214) [system] 'C'=(/)
^  Call: (214) [user] is_like_space('C')
   Call: (215) [system] char_type('C', 'white')
   Fail: (215) [system] char_type('C', 'white')
   Call: (215) [system] char_type('C', end_of_line)
   Fail: (215) [system] char_type('C', end_of_line)
   Call: (215) [system] char_type('C', space)
   Fail: (215) [system] char_type('C', space)
   Call: (215) [system] char_type('C', cntrl)
   Fail: (215) [system] char_type('C', cntrl)
^  Fail: (214) [user] is_like_space('C')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] get_char((0x563acd73bee0), _608268)
   Exit: (213) [system] get_char((0x563acd73bee0), 'C')
   Call: (213) [system] 'C'='('
   Fail: (213) [system] 'C'='('
   Call: (213) [system] 'C'='['
   Fail: (213) [system] 'C'='['
   Call: (213) [system] 'C'='{'
   Fail: (213) [system] 'C'='{'
   Call: (213) [system] 'C'='"'
   Fail: (213) [system] 'C'='"'
   Call: (213) [system] 'C'=!
   Fail: (213) [system] 'C'=!
   Call: (213) [system] 'C'='\''
   Fail: (213) [system] 'C'='\''
   Call: (213) [system] 'C'='`'
   Fail: (213) [system] 'C'='`'
   Call: (213) [system] 'C'=end_of_file
   Fail: (213) [system] 'C'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x563acd73bee0), 'C', _590400)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _625910)
   Call: (215) [system] peek_char((0x563acd73bee0), _626844)
   Exit: (215) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _625910=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (214) [user] classify_and_convert_charseq(['C'], _590400)
^  Call: (215) [user] classify_and_convert_charseq_(['C'], _636128)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_637080, _637082), once(user:catch(read_from_chars(['C'], _636128), _637062, fail)), '$restore_trace'(_637080, _637082))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_637080, _637082))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _636128), _637062, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_636128)
   Fail: (216) [system] atomic(_636128)
   Call: (216) [system] atom_chars(_636128, ['C'])
   Exit: (216) [system] atom_chars('C', ['C'])
^  Exit: (215) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (215) [system] integer('C')
   Fail: (215) [system] integer('C')
   Call: (215) [system] _590400='C'
   Exit: (215) [system] 'C'='C'
^  Exit: (214) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (213) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (212) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (212) [user] read_list(')', (0x563acd73bee0), _651078)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _652936)
   Exit: (214) [system] peek_char((0x563acd73bee0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x563acd73bee0), _662530)
   Exit: (214) [system] get_char((0x563acd73bee0), ' ')
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _665234)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'D')
   Call: (215) [system] 'D'=(;)
   Fail: (215) [system] 'D'=(;)
   Call: (215) [system] 'D'=(/)
   Fail: (215) [system] 'D'=(/)
^  Call: (215) [user] is_like_space('D')
   Call: (216) [system] char_type('D', 'white')
   Fail: (216) [system] char_type('D', 'white')
   Call: (216) [system] char_type('D', end_of_line)
   Fail: (216) [system] char_type('D', end_of_line)
   Call: (216) [system] char_type('D', space)
   Fail: (216) [system] char_type('D', space)
   Call: (216) [system] char_type('D', cntrl)
   Fail: (216) [system] char_type('D', cntrl)
^  Fail: (215) [user] is_like_space('D')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _682168)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'D')
   Call: (213) [system] 'D'=')'
   Fail: (213) [system] 'D'=')'
   Call: (213) [system] 'D'=end_of_file
   Fail: (213) [system] 'D'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x563acd73bee0), _687738)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _689596)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'D')
   Call: (215) [system] 'D'=(;)
   Fail: (215) [system] 'D'=(;)
   Call: (215) [system] 'D'=(/)
   Fail: (215) [system] 'D'=(/)
^  Call: (215) [user] is_like_space('D')
   Call: (216) [system] char_type('D', 'white')
   Fail: (216) [system] char_type('D', 'white')
   Call: (216) [system] char_type('D', end_of_line)
   Fail: (216) [system] char_type('D', end_of_line)
   Call: (216) [system] char_type('D', space)
   Fail: (216) [system] char_type('D', space)
   Call: (216) [system] char_type('D', cntrl)
   Fail: (216) [system] char_type('D', cntrl)
^  Fail: (215) [user] is_like_space('D')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] get_char((0x563acd73bee0), _705606)
   Exit: (214) [system] get_char((0x563acd73bee0), 'D')
   Call: (214) [system] 'D'='('
   Fail: (214) [system] 'D'='('
   Call: (214) [system] 'D'='['
   Fail: (214) [system] 'D'='['
   Call: (214) [system] 'D'='{'
   Fail: (214) [system] 'D'='{'
   Call: (214) [system] 'D'='"'
   Fail: (214) [system] 'D'='"'
   Call: (214) [system] 'D'=!
   Fail: (214) [system] 'D'=!
   Call: (214) [system] 'D'='\''
   Fail: (214) [system] 'D'='\''
   Call: (214) [system] 'D'='`'
   Fail: (214) [system] 'D'='`'
   Call: (214) [system] 'D'=end_of_file
   Fail: (214) [system] 'D'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x563acd73bee0), 'D', _687738)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _723248)
   Call: (216) [system] peek_char((0x563acd73bee0), _724182)
   Exit: (216) [system] peek_char((0x563acd73bee0), ')')
^  Call: (216) [user] is_delimiter(')')
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] arg(_728902, v('(', ')', end_of_file), ')')
   Exit: (217) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (216) [user] is_delimiter(')')
   Call: (216) [system] _723248=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (215) [user] classify_and_convert_charseq(['D'], _687738)
^  Call: (216) [user] classify_and_convert_charseq_(['D'], _735338)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_736290, _736292), once(user:catch(read_from_chars(['D'], _735338), _736272, fail)), '$restore_trace'(_736290, _736292))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_736290, _736292))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _735338), _736272, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_735338)
   Fail: (217) [system] atomic(_735338)
   Call: (217) [system] atom_chars(_735338, ['D'])
   Exit: (217) [system] atom_chars('D', ['D'])
^  Exit: (216) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (216) [system] integer('D')
   Fail: (216) [system] integer('D')
   Call: (216) [system] _687738='D'
   Exit: (216) [system] 'D'='D'
^  Exit: (215) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (214) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'D')
^  Exit: (213) [user] cont_sexpr(')', (0x563acd73bee0), 'D')
^  Call: (213) [user] read_list(')', (0x563acd73bee0), _750288)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _752146)
   Exit: (215) [system] peek_char((0x563acd73bee0), ')')
   Call: (215) [system] ')'=(;)
   Fail: (215) [system] ')'=(;)
   Call: (215) [system] ')'=(/)
   Fail: (215) [system] ')'=(/)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Fail: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Fail: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
   Fail: (216) [system] char_type(')', cntrl)
^  Fail: (215) [user] is_like_space(')')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _768156)
   Exit: (214) [system] peek_char((0x563acd73bee0), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x563acd73bee0), _771946)
   Exit: (214) [system] get_char((0x563acd73bee0), ')')
   Call: (214) [system] _750288=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x563acd73bee0), [])
   Call: (213) [system] _651078=['D']
   Exit: (213) [system] ['D']=['D']
^  Exit: (212) [user] read_list(')', (0x563acd73bee0), ['D'])
   Call: (212) [system] _553740=['C', 'D']
   Exit: (212) [system] ['C', 'D']=['C', 'D']
^  Exit: (211) [user] read_list(')', (0x563acd73bee0), ['C', 'D'])
   Call: (211) [system] _364394=['OrLink', 'C', 'D']
   Exit: (211) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (210) [user] read_list(')', (0x563acd73bee0), ['OrLink', 'C', 'D'])
^  Exit: (209) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', 'C', 'D'])
^  Call: (209) [user] read_list(')', (0x563acd73bee0), _785828)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _787686)
   Exit: (211) [system] peek_char((0x563acd73bee0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x563acd73bee0), _797280)
   Exit: (211) [system] get_char((0x563acd73bee0), ' ')
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _799984)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'E')
   Call: (212) [system] 'E'=(;)
   Fail: (212) [system] 'E'=(;)
   Call: (212) [system] 'E'=(/)
   Fail: (212) [system] 'E'=(/)
^  Call: (212) [user] is_like_space('E')
   Call: (213) [system] char_type('E', 'white')
   Fail: (213) [system] char_type('E', 'white')
   Call: (213) [system] char_type('E', end_of_line)
   Fail: (213) [system] char_type('E', end_of_line)
   Call: (213) [system] char_type('E', space)
   Fail: (213) [system] char_type('E', space)
   Call: (213) [system] char_type('E', cntrl)
   Fail: (213) [system] char_type('E', cntrl)
^  Fail: (212) [user] is_like_space('E')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _816918)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'E')
   Call: (210) [system] 'E'=')'
   Fail: (210) [system] 'E'=')'
   Call: (210) [system] 'E'=end_of_file
   Fail: (210) [system] 'E'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x563acd73bee0), _822488)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _824346)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'E')
   Call: (212) [system] 'E'=(;)
   Fail: (212) [system] 'E'=(;)
   Call: (212) [system] 'E'=(/)
   Fail: (212) [system] 'E'=(/)
^  Call: (212) [user] is_like_space('E')
   Call: (213) [system] char_type('E', 'white')
   Fail: (213) [system] char_type('E', 'white')
   Call: (213) [system] char_type('E', end_of_line)
   Fail: (213) [system] char_type('E', end_of_line)
   Call: (213) [system] char_type('E', space)
   Fail: (213) [system] char_type('E', space)
   Call: (213) [system] char_type('E', cntrl)
   Fail: (213) [system] char_type('E', cntrl)
^  Fail: (212) [user] is_like_space('E')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] get_char((0x563acd73bee0), _840356)
   Exit: (211) [system] get_char((0x563acd73bee0), 'E')
   Call: (211) [system] 'E'='('
   Fail: (211) [system] 'E'='('
   Call: (211) [system] 'E'='['
   Fail: (211) [system] 'E'='['
   Call: (211) [system] 'E'='{'
   Fail: (211) [system] 'E'='{'
   Call: (211) [system] 'E'='"'
   Fail: (211) [system] 'E'='"'
   Call: (211) [system] 'E'=!
   Fail: (211) [system] 'E'=!
   Call: (211) [system] 'E'='\''
   Fail: (211) [system] 'E'='\''
   Call: (211) [system] 'E'='`'
   Fail: (211) [system] 'E'='`'
   Call: (211) [system] 'E'=end_of_file
   Fail: (211) [system] 'E'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x563acd73bee0), 'E', _822488)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _857998)
   Call: (213) [system] peek_char((0x563acd73bee0), _858932)
   Exit: (213) [system] peek_char((0x563acd73bee0), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_863652, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _857998=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (212) [user] classify_and_convert_charseq(['E'], _822488)
^  Call: (213) [user] classify_and_convert_charseq_(['E'], _870088)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_871040, _871042), once(user:catch(read_from_chars(['E'], _870088), _871022, fail)), '$restore_trace'(_871040, _871042))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_871040, _871042))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _870088), _871022, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_870088)
   Fail: (214) [system] atomic(_870088)
   Call: (214) [system] atom_chars(_870088, ['E'])
   Exit: (214) [system] atom_chars('E', ['E'])
^  Exit: (213) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (213) [system] integer('E')
   Fail: (213) [system] integer('E')
   Call: (213) [system] _822488='E'
   Exit: (213) [system] 'E'='E'
^  Exit: (212) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (211) [user] read_symbolic(')', (0x563acd73bee0), 'E', 'E')
^  Exit: (210) [user] cont_sexpr(')', (0x563acd73bee0), 'E')
^  Call: (210) [user] read_list(')', (0x563acd73bee0), _885038)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _886896)
   Exit: (212) [system] peek_char((0x563acd73bee0), ')')
   Call: (212) [system] ')'=(;)
   Fail: (212) [system] ')'=(;)
   Call: (212) [system] ')'=(/)
   Fail: (212) [system] ')'=(/)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Fail: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Fail: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
   Fail: (213) [system] char_type(')', cntrl)
^  Fail: (212) [user] is_like_space(')')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _902906)
   Exit: (211) [system] peek_char((0x563acd73bee0), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x563acd73bee0), _906696)
   Exit: (211) [system] get_char((0x563acd73bee0), ')')
   Call: (211) [system] _885038=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x563acd73bee0), [])
   Call: (210) [system] _785828=['E']
   Exit: (210) [system] ['E']=['E']
^  Exit: (209) [user] read_list(')', (0x563acd73bee0), ['E'])
   Call: (209) [system] _327734=[['OrLink', 'C', 'D'], 'E']
   Exit: (209) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (208) [user] read_list(')', (0x563acd73bee0), [['OrLink', 'C', 'D'], 'E'])
   Call: (208) [system] _54738=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (208) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (207) [user] read_list(')', (0x563acd73bee0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (206) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (206) [user] read_list(')', (0x563acd73bee0), _920578)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _922436)
   Exit: (208) [system] peek_char((0x563acd73bee0), ')')
   Call: (208) [system] ')'=(;)
   Fail: (208) [system] ')'=(;)
   Call: (208) [system] ')'=(/)
   Fail: (208) [system] ')'=(/)
^  Call: (208) [user] is_like_space(')')
   Call: (209) [system] char_type(')', 'white')
   Fail: (209) [system] char_type(')', 'white')
   Call: (209) [system] char_type(')', end_of_line)
   Fail: (209) [system] char_type(')', end_of_line)
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] char_type(')', cntrl)
   Fail: (209) [system] char_type(')', cntrl)
^  Fail: (208) [user] is_like_space(')')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _938446)
   Exit: (207) [system] peek_char((0x563acd73bee0), ')')
   Call: (207) [system] ')'=')'
   Exit: (207) [system] ')'=')'
   Call: (207) [system] get_char((0x563acd73bee0), _942236)
   Exit: (207) [system] get_char((0x563acd73bee0), ')')
   Call: (207) [system] _920578=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_list(')', (0x563acd73bee0), [])
   Call: (206) [system] _18078=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (206) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (205) [user] read_list(')', (0x563acd73bee0), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (205) [system] _4252=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (205) [system] [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (204) [user] read_list(')', (0x563acd73bee0), [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (204) [system] _4244=['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (204) [system] ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (203) [user] read_list(')', (0x563acd73bee0), ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (202) [user] cont_sexpr(')', (0x563acd73bee0), ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (202) [user] read_list(')', (0x563acd73bee0), _956118)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _957976)
   Exit: (204) [system] peek_char((0x563acd73bee0), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
   Call: (204) [system] ')'=(/)
   Fail: (204) [system] ')'=(/)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _973986)
   Exit: (203) [system] peek_char((0x563acd73bee0), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x563acd73bee0), _977776)
   Exit: (203) [system] get_char((0x563acd73bee0), ')')
   Call: (203) [system] _956118=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x563acd73bee0), [])
   Call: (202) [system] _4240=[['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (202) [system] [['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (201) [user] read_list(')', (0x563acd73bee0), [['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (201) [system] _4216=[['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (201) [system] [['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), [['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (200) [system] _4208=[:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (200) [system] [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (198) [user] cont_sexpr(')', (0x563acd73bee0), [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _991658)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _993516)
   Exit: (200) [system] peek_char((0x563acd73bee0), '\n')
   Call: (200) [system] '\n'=(;)
   Fail: (200) [system] '\n'=(;)
   Call: (200) [system] '\n'=(/)
   Fail: (200) [system] '\n'=(/)
^  Call: (200) [user] is_like_space('\n')
   Call: (201) [system] char_type('\n', 'white')
   Fail: (201) [system] char_type('\n', 'white')
   Call: (201) [system] char_type('\n', end_of_line)
   Exit: (201) [system] char_type('\n', end_of_line)
^  Exit: (200) [user] is_like_space('\n')
   Call: (200) [system] get_char((0x563acd73bee0), _1004966)
   Exit: (200) [system] get_char((0x563acd73bee0), '\n')
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1007670)
   Exit: (201) [system] peek_char((0x563acd73bee0), '\t')
   Call: (201) [system] '\t'=(;)
   Fail: (201) [system] '\t'=(;)
   Call: (201) [system] '\t'=(/)
   Fail: (201) [system] '\t'=(/)
^  Call: (201) [user] is_like_space('\t')
   Call: (202) [system] char_type('\t', 'white')
   Exit: (202) [system] char_type('\t', 'white')
^  Exit: (201) [user] is_like_space('\t')
   Call: (201) [system] get_char((0x563acd73bee0), _1017264)
   Exit: (201) [system] get_char((0x563acd73bee0), '\t')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1019968)
   Exit: (202) [system] peek_char((0x563acd73bee0), '\t')
   Call: (202) [system] '\t'=(;)
   Fail: (202) [system] '\t'=(;)
   Call: (202) [system] '\t'=(/)
   Fail: (202) [system] '\t'=(/)
^  Call: (202) [user] is_like_space('\t')
   Call: (203) [system] char_type('\t', 'white')
   Exit: (203) [system] char_type('\t', 'white')
^  Exit: (202) [user] is_like_space('\t')
   Call: (202) [system] get_char((0x563acd73bee0), _1029562)
   Exit: (202) [system] get_char((0x563acd73bee0), '\t')
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1032266)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x563acd73bee0), _1041860)
   Exit: (203) [system] get_char((0x563acd73bee0), ' ')
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1044564)
   Exit: (204) [system] peek_char((0x563acd73bee0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
   Call: (204) [system] '('=(/)
   Fail: (204) [system] '('=(/)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1064270)
   Exit: (199) [system] peek_char((0x563acd73bee0), '(')
   Call: (199) [system] '('=')'
   Fail: (199) [system] '('=')'
   Call: (199) [system] '('=end_of_file
   Fail: (199) [system] '('=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x563acd73bee0), _1069840)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1071698)
   Exit: (201) [system] peek_char((0x563acd73bee0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
   Call: (201) [system] '('=(/)
   Fail: (201) [system] '('=(/)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] get_char((0x563acd73bee0), _1087708)
   Exit: (200) [system] get_char((0x563acd73bee0), '(')
   Call: (200) [system] '('='('
   Exit: (200) [system] '('='('
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _1069840)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1093278)
   Exit: (202) [system] peek_char((0x563acd73bee0), :)
   Call: (202) [system] (:)=(;)
   Fail: (202) [system] (:)=(;)
   Call: (202) [system] (:)=(/)
   Fail: (202) [system] (:)=(/)
^  Call: (202) [user] is_like_space(:)
   Call: (203) [system] char_type(:, 'white')
   Fail: (203) [system] char_type(:, 'white')
   Call: (203) [system] char_type(:, end_of_line)
   Fail: (203) [system] char_type(:, end_of_line)
   Call: (203) [system] char_type(:, space)
   Fail: (203) [system] char_type(:, space)
   Call: (203) [system] char_type(:, cntrl)
   Fail: (203) [system] char_type(:, cntrl)
^  Fail: (202) [user] is_like_space(:)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1109288)
   Exit: (201) [system] peek_char((0x563acd73bee0), :)
   Call: (201) [system] (:)=')'
   Fail: (201) [system] (:)=')'
   Call: (201) [system] (:)=end_of_file
   Fail: (201) [system] (:)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x563acd73bee0), _1114858)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1116716)
   Exit: (203) [system] peek_char((0x563acd73bee0), :)
   Call: (203) [system] (:)=(;)
   Fail: (203) [system] (:)=(;)
   Call: (203) [system] (:)=(/)
   Fail: (203) [system] (:)=(/)
^  Call: (203) [user] is_like_space(:)
   Call: (204) [system] char_type(:, 'white')
   Fail: (204) [system] char_type(:, 'white')
   Call: (204) [system] char_type(:, end_of_line)
   Fail: (204) [system] char_type(:, end_of_line)
   Call: (204) [system] char_type(:, space)
   Fail: (204) [system] char_type(:, space)
   Call: (204) [system] char_type(:, cntrl)
   Fail: (204) [system] char_type(:, cntrl)
^  Fail: (203) [user] is_like_space(:)
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] get_char((0x563acd73bee0), _1132726)
   Exit: (202) [system] get_char((0x563acd73bee0), :)
   Call: (202) [system] (:)='('
   Fail: (202) [system] (:)='('
   Call: (202) [system] (:)='['
   Fail: (202) [system] (:)='['
   Call: (202) [system] (:)='{'
   Fail: (202) [system] (:)='{'
   Call: (202) [system] (:)='"'
   Fail: (202) [system] (:)='"'
   Call: (202) [system] (:)=!
   Fail: (202) [system] (:)=!
   Call: (202) [system] (:)='\''
   Fail: (202) [system] (:)='\''
   Call: (202) [system] (:)='`'
   Fail: (202) [system] (:)='`'
   Call: (202) [system] (:)=end_of_file
   Fail: (202) [system] (:)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x563acd73bee0), :, _1114858)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1150368)
   Call: (204) [system] peek_char((0x563acd73bee0), _1151302)
   Exit: (204) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _1150368=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (203) [user] classify_and_convert_charseq([:], _1114858)
^  Call: (204) [user] classify_and_convert_charseq_([:], _1160586)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_1161538, _1161540), once(user:catch(read_from_chars([:], _1160586), _1161520, fail)), '$restore_trace'(_1161538, _1161540))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_1161538, _1161540))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1161520, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(:)
   Exit: (205) [system] atomic(:)
^  Exit: (204) [user] classify_and_convert_charseq_([:], :)
   Call: (204) [system] integer(:)
   Fail: (204) [system] integer(:)
   Call: (204) [system] _1114858=(:)
   Exit: (204) [system] (:)=(:)
^  Exit: (203) [user] classify_and_convert_charseq([:], :)
^  Exit: (202) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (201) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (201) [user] read_list(')', (0x563acd73bee0), _1173666)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1175524)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x563acd73bee0), _1185118)
   Exit: (203) [system] get_char((0x563acd73bee0), ' ')
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1187822)
   Exit: (204) [system] peek_char((0x563acd73bee0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
   Call: (204) [system] '('=(/)
   Fail: (204) [system] '('=(/)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1204756)
   Exit: (202) [system] peek_char((0x563acd73bee0), '(')
   Call: (202) [system] '('=')'
   Fail: (202) [system] '('=')'
   Call: (202) [system] '('=end_of_file
   Fail: (202) [system] '('=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x563acd73bee0), _1210326)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1212184)
   Exit: (204) [system] peek_char((0x563acd73bee0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
   Call: (204) [system] '('=(/)
   Fail: (204) [system] '('=(/)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] get_char((0x563acd73bee0), _1228194)
   Exit: (203) [system] get_char((0x563acd73bee0), '(')
   Call: (203) [system] '('='('
   Exit: (203) [system] '('='('
^  Call: (203) [user] read_list(')', (0x563acd73bee0), _1210326)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1233764)
   Exit: (205) [system] peek_char((0x563acd73bee0), 'C')
   Call: (205) [system] 'C'=(;)
   Fail: (205) [system] 'C'=(;)
   Call: (205) [system] 'C'=(/)
   Fail: (205) [system] 'C'=(/)
^  Call: (205) [user] is_like_space('C')
   Call: (206) [system] char_type('C', 'white')
   Fail: (206) [system] char_type('C', 'white')
   Call: (206) [system] char_type('C', end_of_line)
   Fail: (206) [system] char_type('C', end_of_line)
   Call: (206) [system] char_type('C', space)
   Fail: (206) [system] char_type('C', space)
   Call: (206) [system] char_type('C', cntrl)
   Fail: (206) [system] char_type('C', cntrl)
^  Fail: (205) [user] is_like_space('C')
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1249774)
   Exit: (204) [system] peek_char((0x563acd73bee0), 'C')
   Call: (204) [system] 'C'=')'
   Fail: (204) [system] 'C'=')'
   Call: (204) [system] 'C'=end_of_file
   Fail: (204) [system] 'C'=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x563acd73bee0), _1255344)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1257202)
   Exit: (206) [system] peek_char((0x563acd73bee0), 'C')
   Call: (206) [system] 'C'=(;)
   Fail: (206) [system] 'C'=(;)
   Call: (206) [system] 'C'=(/)
   Fail: (206) [system] 'C'=(/)
^  Call: (206) [user] is_like_space('C')
   Call: (207) [system] char_type('C', 'white')
   Fail: (207) [system] char_type('C', 'white')
   Call: (207) [system] char_type('C', end_of_line)
   Fail: (207) [system] char_type('C', end_of_line)
   Call: (207) [system] char_type('C', space)
   Fail: (207) [system] char_type('C', space)
   Call: (207) [system] char_type('C', cntrl)
   Fail: (207) [system] char_type('C', cntrl)
^  Fail: (206) [user] is_like_space('C')
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] get_char((0x563acd73bee0), _1273212)
   Exit: (205) [system] get_char((0x563acd73bee0), 'C')
   Call: (205) [system] 'C'='('
   Fail: (205) [system] 'C'='('
   Call: (205) [system] 'C'='['
   Fail: (205) [system] 'C'='['
   Call: (205) [system] 'C'='{'
   Fail: (205) [system] 'C'='{'
   Call: (205) [system] 'C'='"'
   Fail: (205) [system] 'C'='"'
   Call: (205) [system] 'C'=!
   Fail: (205) [system] 'C'=!
   Call: (205) [system] 'C'='\''
   Fail: (205) [system] 'C'='\''
   Call: (205) [system] 'C'='`'
   Fail: (205) [system] 'C'='`'
   Call: (205) [system] 'C'=end_of_file
   Fail: (205) [system] 'C'=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x563acd73bee0), 'C', _1255344)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1290854)
   Call: (207) [system] peek_char((0x563acd73bee0), _1291788)
   Exit: (207) [system] peek_char((0x563acd73bee0), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_1296508, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_1297440, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x563acd73bee0), o)
   Exit: (207) [system] get_char((0x563acd73bee0), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1304790)
   Call: (208) [system] peek_char((0x563acd73bee0), _1305724)
   Exit: (208) [system] peek_char((0x563acd73bee0), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Fail: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_1310444, v('(', ')', end_of_file), n)
   Fail: (209) [system] arg(_1311376, v('(', ')', end_of_file), n)
^  Fail: (208) [user] is_delimiter(n)
   Call: (208) [system] ')'==n
   Fail: (208) [system] ')'==n
   Call: (208) [system] get_char((0x563acd73bee0), n)
   Exit: (208) [system] get_char((0x563acd73bee0), n)
   Call: (208) [system] n=(\)
   Fail: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1318726)
   Call: (209) [system] peek_char((0x563acd73bee0), _1319660)
   Exit: (209) [system] peek_char((0x563acd73bee0), j)
^  Call: (209) [user] is_delimiter(j)
   Call: (210) [system] char_type(j, space)
   Fail: (210) [system] char_type(j, space)
   Call: (210) [system] arg(_1324380, v('(', ')', end_of_file), j)
   Fail: (210) [system] arg(_1325312, v('(', ')', end_of_file), j)
^  Fail: (209) [user] is_delimiter(j)
   Call: (209) [system] ')'==j
   Fail: (209) [system] ')'==j
   Call: (209) [system] get_char((0x563acd73bee0), j)
   Exit: (209) [system] get_char((0x563acd73bee0), j)
   Call: (209) [system] j=(\)
   Fail: (209) [system] j=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1332662)
   Call: (210) [system] peek_char((0x563acd73bee0), _1333596)
   Exit: (210) [system] peek_char((0x563acd73bee0), u)
^  Call: (210) [user] is_delimiter(u)
   Call: (211) [system] char_type(u, space)
   Fail: (211) [system] char_type(u, space)
   Call: (211) [system] arg(_1338316, v('(', ')', end_of_file), u)
   Fail: (211) [system] arg(_1339248, v('(', ')', end_of_file), u)
^  Fail: (210) [user] is_delimiter(u)
   Call: (210) [system] ')'==u
   Fail: (210) [system] ')'==u
   Call: (210) [system] get_char((0x563acd73bee0), u)
   Exit: (210) [system] get_char((0x563acd73bee0), u)
   Call: (210) [system] u=(\)
   Fail: (210) [system] u=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1346598)
   Call: (211) [system] peek_char((0x563acd73bee0), _1347532)
   Exit: (211) [system] peek_char((0x563acd73bee0), n)
^  Call: (211) [user] is_delimiter(n)
   Call: (212) [system] char_type(n, space)
   Fail: (212) [system] char_type(n, space)
   Call: (212) [system] arg(_1352252, v('(', ')', end_of_file), n)
   Fail: (212) [system] arg(_1353184, v('(', ')', end_of_file), n)
^  Fail: (211) [user] is_delimiter(n)
   Call: (211) [system] ')'==n
   Fail: (211) [system] ')'==n
   Call: (211) [system] get_char((0x563acd73bee0), n)
   Exit: (211) [system] get_char((0x563acd73bee0), n)
   Call: (211) [system] n=(\)
   Fail: (211) [system] n=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1360534)
   Call: (212) [system] peek_char((0x563acd73bee0), _1361468)
   Exit: (212) [system] peek_char((0x563acd73bee0), c)
^  Call: (212) [user] is_delimiter(c)
   Call: (213) [system] char_type(c, space)
   Fail: (213) [system] char_type(c, space)
   Call: (213) [system] arg(_1366188, v('(', ')', end_of_file), c)
   Fail: (213) [system] arg(_1367120, v('(', ')', end_of_file), c)
^  Fail: (212) [user] is_delimiter(c)
   Call: (212) [system] ')'==c
   Fail: (212) [system] ')'==c
   Call: (212) [system] get_char((0x563acd73bee0), c)
   Exit: (212) [system] get_char((0x563acd73bee0), c)
   Call: (212) [system] c=(\)
   Fail: (212) [system] c=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _1374470)
   Call: (213) [system] peek_char((0x563acd73bee0), _1375404)
   Exit: (213) [system] peek_char((0x563acd73bee0), t)
^  Call: (213) [user] is_delimiter(t)
   Call: (214) [system] char_type(t, space)
   Fail: (214) [system] char_type(t, space)
   Call: (214) [system] arg(_1380124, v('(', ')', end_of_file), t)
   Fail: (214) [system] arg(_1381056, v('(', ')', end_of_file), t)
^  Fail: (213) [user] is_delimiter(t)
   Call: (213) [system] ')'==t
   Fail: (213) [system] ')'==t
   Call: (213) [system] get_char((0x563acd73bee0), t)
   Exit: (213) [system] get_char((0x563acd73bee0), t)
   Call: (213) [system] t=(\)
   Fail: (213) [system] t=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _1388406)
   Call: (214) [system] peek_char((0x563acd73bee0), _1389340)
   Exit: (214) [system] peek_char((0x563acd73bee0), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Fail: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_1394060, v('(', ')', end_of_file), i)
   Fail: (215) [system] arg(_1394992, v('(', ')', end_of_file), i)
^  Fail: (214) [user] is_delimiter(i)
   Call: (214) [system] ')'==i
   Fail: (214) [system] ')'==i
   Call: (214) [system] get_char((0x563acd73bee0), i)
   Exit: (214) [system] get_char((0x563acd73bee0), i)
   Call: (214) [system] i=(\)
   Fail: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _1402342)
   Call: (215) [system] peek_char((0x563acd73bee0), _1403276)
   Exit: (215) [system] peek_char((0x563acd73bee0), o)
^  Call: (215) [user] is_delimiter(o)
   Call: (216) [system] char_type(o, space)
   Fail: (216) [system] char_type(o, space)
   Call: (216) [system] arg(_1407996, v('(', ')', end_of_file), o)
   Fail: (216) [system] arg(_1408928, v('(', ')', end_of_file), o)
^  Fail: (215) [user] is_delimiter(o)
   Call: (215) [system] ')'==o
   Fail: (215) [system] ')'==o
   Call: (215) [system] get_char((0x563acd73bee0), o)
   Exit: (215) [system] get_char((0x563acd73bee0), o)
   Call: (215) [system] o=(\)
   Fail: (215) [system] o=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _1416278)
   Call: (216) [system] peek_char((0x563acd73bee0), _1417212)
   Exit: (216) [system] peek_char((0x563acd73bee0), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_1421932, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_1422864, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x563acd73bee0), n)
   Exit: (216) [system] get_char((0x563acd73bee0), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _1430214)
   Call: (217) [system] peek_char((0x563acd73bee0), _1431148)
   Exit: (217) [system] peek_char((0x563acd73bee0), 'I')
^  Call: (217) [user] is_delimiter('I')
   Call: (218) [system] char_type('I', space)
   Fail: (218) [system] char_type('I', space)
   Call: (218) [system] arg(_1435868, v('(', ')', end_of_file), 'I')
   Fail: (218) [system] arg(_1436800, v('(', ')', end_of_file), 'I')
^  Fail: (217) [user] is_delimiter('I')
   Call: (217) [system] ')'=='I'
   Fail: (217) [system] ')'=='I'
   Call: (217) [system] get_char((0x563acd73bee0), 'I')
   Exit: (217) [system] get_char((0x563acd73bee0), 'I')
   Call: (217) [system] 'I'=(\)
   Fail: (217) [system] 'I'=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _1444150)
   Call: (218) [system] peek_char((0x563acd73bee0), _1445084)
   Exit: (218) [system] peek_char((0x563acd73bee0), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_1449804, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_1450736, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x563acd73bee0), n)
   Exit: (218) [system] get_char((0x563acd73bee0), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _1458086)
   Call: (219) [system] peek_char((0x563acd73bee0), _1459020)
   Exit: (219) [system] peek_char((0x563acd73bee0), t)
^  Call: (219) [user] is_delimiter(t)
   Call: (220) [system] char_type(t, space)
   Fail: (220) [system] char_type(t, space)
   Call: (220) [system] arg(_1463740, v('(', ')', end_of_file), t)
   Fail: (220) [system] arg(_1464672, v('(', ')', end_of_file), t)
^  Fail: (219) [user] is_delimiter(t)
   Call: (219) [system] ')'==t
   Fail: (219) [system] ')'==t
   Call: (219) [system] get_char((0x563acd73bee0), t)
   Exit: (219) [system] get_char((0x563acd73bee0), t)
   Call: (219) [system] t=(\)
   Fail: (219) [system] t=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _1472022)
   Call: (220) [system] peek_char((0x563acd73bee0), _1472956)
   Exit: (220) [system] peek_char((0x563acd73bee0), r)
^  Call: (220) [user] is_delimiter(r)
   Call: (221) [system] char_type(r, space)
   Fail: (221) [system] char_type(r, space)
   Call: (221) [system] arg(_1477676, v('(', ')', end_of_file), r)
   Fail: (221) [system] arg(_1478608, v('(', ')', end_of_file), r)
^  Fail: (220) [user] is_delimiter(r)
   Call: (220) [system] ')'==r
   Fail: (220) [system] ')'==r
   Call: (220) [system] get_char((0x563acd73bee0), r)
   Exit: (220) [system] get_char((0x563acd73bee0), r)
   Call: (220) [system] r=(\)
   Fail: (220) [system] r=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _1485958)
   Call: (221) [system] peek_char((0x563acd73bee0), _1486892)
   Exit: (221) [system] peek_char((0x563acd73bee0), o)
^  Call: (221) [user] is_delimiter(o)
   Call: (222) [system] char_type(o, space)
   Fail: (222) [system] char_type(o, space)
   Call: (222) [system] arg(_1491612, v('(', ')', end_of_file), o)
   Fail: (222) [system] arg(_1492544, v('(', ')', end_of_file), o)
^  Fail: (221) [user] is_delimiter(o)
   Call: (221) [system] ')'==o
   Fail: (221) [system] ')'==o
   Call: (221) [system] get_char((0x563acd73bee0), o)
   Exit: (221) [system] get_char((0x563acd73bee0), o)
   Call: (221) [system] o=(\)
   Fail: (221) [system] o=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _1499894)
   Call: (222) [system] peek_char((0x563acd73bee0), _1500828)
   Exit: (222) [system] peek_char((0x563acd73bee0), d)
^  Call: (222) [user] is_delimiter(d)
   Call: (223) [system] char_type(d, space)
   Fail: (223) [system] char_type(d, space)
   Call: (223) [system] arg(_1505548, v('(', ')', end_of_file), d)
   Fail: (223) [system] arg(_1506480, v('(', ')', end_of_file), d)
^  Fail: (222) [user] is_delimiter(d)
   Call: (222) [system] ')'==d
   Fail: (222) [system] ')'==d
   Call: (222) [system] get_char((0x563acd73bee0), d)
   Exit: (222) [system] get_char((0x563acd73bee0), d)
   Call: (222) [system] d=(\)
   Fail: (222) [system] d=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _1513830)
   Call: (223) [system] peek_char((0x563acd73bee0), _1514764)
   Exit: (223) [system] peek_char((0x563acd73bee0), u)
^  Call: (223) [user] is_delimiter(u)
   Call: (224) [system] char_type(u, space)
   Fail: (224) [system] char_type(u, space)
   Call: (224) [system] arg(_1519484, v('(', ')', end_of_file), u)
   Fail: (224) [system] arg(_1520416, v('(', ')', end_of_file), u)
^  Fail: (223) [user] is_delimiter(u)
   Call: (223) [system] ')'==u
   Fail: (223) [system] ')'==u
   Call: (223) [system] get_char((0x563acd73bee0), u)
   Exit: (223) [system] get_char((0x563acd73bee0), u)
   Call: (223) [system] u=(\)
   Fail: (223) [system] u=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _1527766)
   Call: (224) [system] peek_char((0x563acd73bee0), _1528700)
   Exit: (224) [system] peek_char((0x563acd73bee0), c)
^  Call: (224) [user] is_delimiter(c)
   Call: (225) [system] char_type(c, space)
   Fail: (225) [system] char_type(c, space)
   Call: (225) [system] arg(_1533420, v('(', ')', end_of_file), c)
   Fail: (225) [system] arg(_1534352, v('(', ')', end_of_file), c)
^  Fail: (224) [user] is_delimiter(c)
   Call: (224) [system] ')'==c
   Fail: (224) [system] ')'==c
   Call: (224) [system] get_char((0x563acd73bee0), c)
   Exit: (224) [system] get_char((0x563acd73bee0), c)
   Call: (224) [system] c=(\)
   Fail: (224) [system] c=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _1541702)
   Call: (225) [system] peek_char((0x563acd73bee0), _1542636)
   Exit: (225) [system] peek_char((0x563acd73bee0), t)
^  Call: (225) [user] is_delimiter(t)
   Call: (226) [system] char_type(t, space)
   Fail: (226) [system] char_type(t, space)
   Call: (226) [system] arg(_1547356, v('(', ')', end_of_file), t)
   Fail: (226) [system] arg(_1548288, v('(', ')', end_of_file), t)
^  Fail: (225) [user] is_delimiter(t)
   Call: (225) [system] ')'==t
   Fail: (225) [system] ')'==t
   Call: (225) [system] get_char((0x563acd73bee0), t)
   Exit: (225) [system] get_char((0x563acd73bee0), t)
   Call: (225) [system] t=(\)
   Fail: (225) [system] t=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _1555638)
   Call: (226) [system] peek_char((0x563acd73bee0), _1556572)
   Exit: (226) [system] peek_char((0x563acd73bee0), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Fail: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_1561292, v('(', ')', end_of_file), i)
   Fail: (227) [system] arg(_1562224, v('(', ')', end_of_file), i)
^  Fail: (226) [user] is_delimiter(i)
   Call: (226) [system] ')'==i
   Fail: (226) [system] ')'==i
   Call: (226) [system] get_char((0x563acd73bee0), i)
   Exit: (226) [system] get_char((0x563acd73bee0), i)
   Call: (226) [system] i=(\)
   Fail: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _1569574)
   Call: (227) [system] peek_char((0x563acd73bee0), _1570508)
   Exit: (227) [system] peek_char((0x563acd73bee0), o)
^  Call: (227) [user] is_delimiter(o)
   Call: (228) [system] char_type(o, space)
   Fail: (228) [system] char_type(o, space)
   Call: (228) [system] arg(_1575228, v('(', ')', end_of_file), o)
   Fail: (228) [system] arg(_1576160, v('(', ')', end_of_file), o)
^  Fail: (227) [user] is_delimiter(o)
   Call: (227) [system] ')'==o
   Fail: (227) [system] ')'==o
   Call: (227) [system] get_char((0x563acd73bee0), o)
   Exit: (227) [system] get_char((0x563acd73bee0), o)
   Call: (227) [system] o=(\)
   Fail: (227) [system] o=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _1583510)
   Call: (228) [system] peek_char((0x563acd73bee0), _1584444)
   Exit: (228) [system] peek_char((0x563acd73bee0), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_1589164, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_1590096, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x563acd73bee0), n)
   Exit: (228) [system] get_char((0x563acd73bee0), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _1597446)
   Call: (229) [system] peek_char((0x563acd73bee0), _1598380)
   Exit: (229) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _1597446=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (228) [system] _1583510=[n]
   Exit: (228) [system] [n]=[n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (227) [system] _1569574=[o, n]
   Exit: (227) [system] [o, n]=[o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (226) [system] _1555638=[i, o, n]
   Exit: (226) [system] [i, o, n]=[i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (225) [system] _1541702=[t, i, o, n]
   Exit: (225) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (224) [system] _1527766=[c, t, i, o, n]
   Exit: (224) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n])
   Call: (223) [system] _1513830=[u, c, t, i, o, n]
   Exit: (223) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, i, o, n])
   Call: (222) [system] _1499894=[d, u, c, t, i, o, n]
   Exit: (222) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, u, c, t, i, o, n])
   Call: (221) [system] _1485958=[o, d, u, c, t, i, o, n]
   Exit: (221) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, d, u, c, t, i, o, n])
   Call: (220) [system] _1472022=[r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1458086=[t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1444150=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1430214=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1416278=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1402342=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _1388406=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1374470=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _1360534=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _1346598=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _1332662=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _1318726=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _1304790=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (207) [system] _1290854=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (207) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (206) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1255344)
^  Call: (207) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1669132)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_1670084, _1670086), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1669132), _1670066, fail)), '$restore_trace'(_1670084, _1670086))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_1670084, _1670086))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1669132), _1670066, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(_1669132)
   Fail: (208) [system] atomic(_1669132)
   Call: (208) [system] atom_chars(_1669132, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (208) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (207) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
   Call: (207) [system] integer('ConjunctionIntroduction')
   Fail: (207) [system] integer('ConjunctionIntroduction')
   Call: (207) [system] _1255344='ConjunctionIntroduction'
   Exit: (207) [system] 'ConjunctionIntroduction'='ConjunctionIntroduction'
^  Exit: (206) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (205) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'ConjunctionIntroduction')
^  Exit: (204) [user] cont_sexpr(')', (0x563acd73bee0), 'ConjunctionIntroduction')
^  Call: (204) [user] read_list(')', (0x563acd73bee0), _1684082)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1685940)
   Exit: (206) [system] peek_char((0x563acd73bee0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
   Call: (206) [system] ' '=(/)
   Fail: (206) [system] ' '=(/)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x563acd73bee0), _1695534)
   Exit: (206) [system] get_char((0x563acd73bee0), ' ')
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1698238)
   Exit: (207) [system] peek_char((0x563acd73bee0), c)
   Call: (207) [system] c=(;)
   Fail: (207) [system] c=(;)
   Call: (207) [system] c=(/)
   Fail: (207) [system] c=(/)
^  Call: (207) [user] is_like_space(c)
   Call: (208) [system] char_type(c, 'white')
   Fail: (208) [system] char_type(c, 'white')
   Call: (208) [system] char_type(c, end_of_line)
   Fail: (208) [system] char_type(c, end_of_line)
   Call: (208) [system] char_type(c, space)
   Fail: (208) [system] char_type(c, space)
   Call: (208) [system] char_type(c, cntrl)
   Fail: (208) [system] char_type(c, cntrl)
^  Fail: (207) [user] is_like_space(c)
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1715172)
   Exit: (205) [system] peek_char((0x563acd73bee0), c)
   Call: (205) [system] c=')'
   Fail: (205) [system] c=')'
   Call: (205) [system] c=end_of_file
   Fail: (205) [system] c=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x563acd73bee0), _1720742)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1722600)
   Exit: (207) [system] peek_char((0x563acd73bee0), c)
   Call: (207) [system] c=(;)
   Fail: (207) [system] c=(;)
   Call: (207) [system] c=(/)
   Fail: (207) [system] c=(/)
^  Call: (207) [user] is_like_space(c)
   Call: (208) [system] char_type(c, 'white')
   Fail: (208) [system] char_type(c, 'white')
   Call: (208) [system] char_type(c, end_of_line)
   Fail: (208) [system] char_type(c, end_of_line)
   Call: (208) [system] char_type(c, space)
   Fail: (208) [system] char_type(c, space)
   Call: (208) [system] char_type(c, cntrl)
   Fail: (208) [system] char_type(c, cntrl)
^  Fail: (207) [user] is_like_space(c)
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] get_char((0x563acd73bee0), _1738610)
   Exit: (206) [system] get_char((0x563acd73bee0), c)
   Call: (206) [system] c='('
   Fail: (206) [system] c='('
   Call: (206) [system] c='['
   Fail: (206) [system] c='['
   Call: (206) [system] c='{'
   Fail: (206) [system] c='{'
   Call: (206) [system] c='"'
   Fail: (206) [system] c='"'
   Call: (206) [system] c=!
   Fail: (206) [system] c=!
   Call: (206) [system] c='\''
   Fail: (206) [system] c='\''
   Call: (206) [system] c='`'
   Fail: (206) [system] c='`'
   Call: (206) [system] c=end_of_file
   Fail: (206) [system] c=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x563acd73bee0), c, _1720742)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1756252)
   Call: (208) [system] peek_char((0x563acd73bee0), _1757186)
   Exit: (208) [system] peek_char((0x563acd73bee0), d)
^  Call: (208) [user] is_delimiter(d)
   Call: (209) [system] char_type(d, space)
   Fail: (209) [system] char_type(d, space)
   Call: (209) [system] arg(_1761906, v('(', ')', end_of_file), d)
   Fail: (209) [system] arg(_1762838, v('(', ')', end_of_file), d)
^  Fail: (208) [user] is_delimiter(d)
   Call: (208) [system] ')'==d
   Fail: (208) [system] ')'==d
   Call: (208) [system] get_char((0x563acd73bee0), d)
   Exit: (208) [system] get_char((0x563acd73bee0), d)
   Call: (208) [system] d=(\)
   Fail: (208) [system] d=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1770188)
   Call: (209) [system] peek_char((0x563acd73bee0), _1771122)
   Exit: (209) [system] peek_char((0x563acd73bee0), e)
^  Call: (209) [user] is_delimiter(e)
   Call: (210) [system] char_type(e, space)
   Fail: (210) [system] char_type(e, space)
   Call: (210) [system] arg(_1775842, v('(', ')', end_of_file), e)
   Fail: (210) [system] arg(_1776774, v('(', ')', end_of_file), e)
^  Fail: (209) [user] is_delimiter(e)
   Call: (209) [system] ')'==e
   Fail: (209) [system] ')'==e
   Call: (209) [system] get_char((0x563acd73bee0), e)
   Exit: (209) [system] get_char((0x563acd73bee0), e)
   Call: (209) [system] e=(\)
   Fail: (209) [system] e=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1784124)
   Call: (210) [system] peek_char((0x563acd73bee0), _1785058)
   Exit: (210) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1784124=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (209) [system] _1770188=[e]
   Exit: (209) [system] [e]=[e]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [e])
   Call: (208) [system] _1756252=[d, e]
   Exit: (208) [system] [d, e]=[d, e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, e])
^  Call: (207) [user] classify_and_convert_charseq([c, d, e], _1720742)
^  Call: (208) [user] classify_and_convert_charseq_([c, d, e], _1799930)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_1800882, _1800884), once(user:catch(read_from_chars([c, d, e], _1799930), _1800864, fail)), '$restore_trace'(_1800882, _1800884))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_1800882, _1800884))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1800864, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(cde)
   Exit: (209) [system] atomic(cde)
^  Exit: (208) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (208) [system] integer(cde)
   Fail: (208) [system] integer(cde)
   Call: (208) [system] _1720742=cde
   Exit: (208) [system] cde=cde
^  Exit: (207) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (206) [user] read_symbolic(')', (0x563acd73bee0), c, cde)
^  Exit: (205) [user] cont_sexpr(')', (0x563acd73bee0), cde)
^  Call: (205) [user] read_list(')', (0x563acd73bee0), _1813010)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1814868)
   Exit: (207) [system] peek_char((0x563acd73bee0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
   Call: (207) [system] ' '=(/)
   Fail: (207) [system] ' '=(/)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x563acd73bee0), _1824462)
   Exit: (207) [system] get_char((0x563acd73bee0), ' ')
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1827166)
   Exit: (208) [system] peek_char((0x563acd73bee0), a)
   Call: (208) [system] a=(;)
   Fail: (208) [system] a=(;)
   Call: (208) [system] a=(/)
   Fail: (208) [system] a=(/)
^  Call: (208) [user] is_like_space(a)
   Call: (209) [system] char_type(a, 'white')
   Fail: (209) [system] char_type(a, 'white')
   Call: (209) [system] char_type(a, end_of_line)
   Fail: (209) [system] char_type(a, end_of_line)
   Call: (209) [system] char_type(a, space)
   Fail: (209) [system] char_type(a, space)
   Call: (209) [system] char_type(a, cntrl)
   Fail: (209) [system] char_type(a, cntrl)
^  Fail: (208) [user] is_like_space(a)
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1844100)
   Exit: (206) [system] peek_char((0x563acd73bee0), a)
   Call: (206) [system] a=')'
   Fail: (206) [system] a=')'
   Call: (206) [system] a=end_of_file
   Fail: (206) [system] a=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x563acd73bee0), _1849670)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1851528)
   Exit: (208) [system] peek_char((0x563acd73bee0), a)
   Call: (208) [system] a=(;)
   Fail: (208) [system] a=(;)
   Call: (208) [system] a=(/)
   Fail: (208) [system] a=(/)
^  Call: (208) [user] is_like_space(a)
   Call: (209) [system] char_type(a, 'white')
   Fail: (209) [system] char_type(a, 'white')
   Call: (209) [system] char_type(a, end_of_line)
   Fail: (209) [system] char_type(a, end_of_line)
   Call: (209) [system] char_type(a, space)
   Fail: (209) [system] char_type(a, space)
   Call: (209) [system] char_type(a, cntrl)
   Fail: (209) [system] char_type(a, cntrl)
^  Fail: (208) [user] is_like_space(a)
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] get_char((0x563acd73bee0), _1867538)
   Exit: (207) [system] get_char((0x563acd73bee0), a)
   Call: (207) [system] a='('
   Fail: (207) [system] a='('
   Call: (207) [system] a='['
   Fail: (207) [system] a='['
   Call: (207) [system] a='{'
   Fail: (207) [system] a='{'
   Call: (207) [system] a='"'
   Fail: (207) [system] a='"'
   Call: (207) [system] a=!
   Fail: (207) [system] a=!
   Call: (207) [system] a='\''
   Fail: (207) [system] a='\''
   Call: (207) [system] a='`'
   Fail: (207) [system] a='`'
   Call: (207) [system] a=end_of_file
   Fail: (207) [system] a=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x563acd73bee0), a, _1849670)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1885180)
   Call: (209) [system] peek_char((0x563acd73bee0), _1886114)
   Exit: (209) [system] peek_char((0x563acd73bee0), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_1890834, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _1885180=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (208) [user] classify_and_convert_charseq([a], _1849670)
^  Call: (209) [user] classify_and_convert_charseq_([a], _1897270)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_1898222, _1898224), once(user:catch(read_from_chars([a], _1897270), _1898204, fail)), '$restore_trace'(_1898222, _1898224))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_1898222, _1898224))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1898204, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(a)
   Exit: (210) [system] atomic(a)
^  Exit: (209) [user] classify_and_convert_charseq_([a], a)
   Call: (209) [system] integer(a)
   Fail: (209) [system] integer(a)
   Call: (209) [system] _1849670=a
   Exit: (209) [system] a=a
^  Exit: (208) [user] classify_and_convert_charseq([a], a)
^  Exit: (207) [user] read_symbolic(')', (0x563acd73bee0), a, a)
^  Exit: (206) [user] cont_sexpr(')', (0x563acd73bee0), a)
^  Call: (206) [user] read_list(')', (0x563acd73bee0), _1910350)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1912208)
   Exit: (208) [system] peek_char((0x563acd73bee0), ')')
   Call: (208) [system] ')'=(;)
   Fail: (208) [system] ')'=(;)
   Call: (208) [system] ')'=(/)
   Fail: (208) [system] ')'=(/)
^  Call: (208) [user] is_like_space(')')
   Call: (209) [system] char_type(')', 'white')
   Fail: (209) [system] char_type(')', 'white')
   Call: (209) [system] char_type(')', end_of_line)
   Fail: (209) [system] char_type(')', end_of_line)
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] char_type(')', cntrl)
   Fail: (209) [system] char_type(')', cntrl)
^  Fail: (208) [user] is_like_space(')')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1928218)
   Exit: (207) [system] peek_char((0x563acd73bee0), ')')
   Call: (207) [system] ')'=')'
   Exit: (207) [system] ')'=')'
   Call: (207) [system] get_char((0x563acd73bee0), _1932008)
   Exit: (207) [system] get_char((0x563acd73bee0), ')')
   Call: (207) [system] _1910350=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_list(')', (0x563acd73bee0), [])
   Call: (206) [system] _1813010=[a]
   Exit: (206) [system] [a]=[a]
^  Exit: (205) [user] read_list(')', (0x563acd73bee0), [a])
   Call: (205) [system] _1684082=[cde, a]
   Exit: (205) [system] [cde, a]=[cde, a]
^  Exit: (204) [user] read_list(')', (0x563acd73bee0), [cde, a])
   Call: (204) [system] _1210326=['ConjunctionIntroduction', cde, a]
   Exit: (204) [system] ['ConjunctionIntroduction', cde, a]=['ConjunctionIntroduction', cde, a]
^  Exit: (203) [user] read_list(')', (0x563acd73bee0), ['ConjunctionIntroduction', cde, a])
^  Exit: (202) [user] cont_sexpr(')', (0x563acd73bee0), ['ConjunctionIntroduction', cde, a])
^  Call: (202) [user] read_list(')', (0x563acd73bee0), _1945890)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1947748)
   Exit: (204) [system] peek_char((0x563acd73bee0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x563acd73bee0), _1957342)
   Exit: (204) [system] get_char((0x563acd73bee0), ' ')
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1960046)
   Exit: (205) [system] peek_char((0x563acd73bee0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1976980)
   Exit: (203) [system] peek_char((0x563acd73bee0), '(')
   Call: (203) [system] '('=')'
   Fail: (203) [system] '('=')'
   Call: (203) [system] '('=end_of_file
   Fail: (203) [system] '('=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x563acd73bee0), _1982550)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1984408)
   Exit: (205) [system] peek_char((0x563acd73bee0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] get_char((0x563acd73bee0), _2000418)
   Exit: (204) [system] get_char((0x563acd73bee0), '(')
   Call: (204) [system] '('='('
   Exit: (204) [system] '('='('
^  Call: (204) [user] read_list(')', (0x563acd73bee0), _1982550)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _2005988)
   Exit: (206) [system] peek_char((0x563acd73bee0), 'A')
   Call: (206) [system] 'A'=(;)
   Fail: (206) [system] 'A'=(;)
   Call: (206) [system] 'A'=(/)
   Fail: (206) [system] 'A'=(/)
^  Call: (206) [user] is_like_space('A')
   Call: (207) [system] char_type('A', 'white')
   Fail: (207) [system] char_type('A', 'white')
   Call: (207) [system] char_type('A', end_of_line)
   Fail: (207) [system] char_type('A', end_of_line)
   Call: (207) [system] char_type('A', space)
   Fail: (207) [system] char_type('A', space)
   Call: (207) [system] char_type('A', cntrl)
   Fail: (207) [system] char_type('A', cntrl)
^  Fail: (206) [user] is_like_space('A')
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _2021998)
   Exit: (205) [system] peek_char((0x563acd73bee0), 'A')
   Call: (205) [system] 'A'=')'
   Fail: (205) [system] 'A'=')'
   Call: (205) [system] 'A'=end_of_file
   Fail: (205) [system] 'A'=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x563acd73bee0), _2027568)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _2029426)
   Exit: (207) [system] peek_char((0x563acd73bee0), 'A')
   Call: (207) [system] 'A'=(;)
   Fail: (207) [system] 'A'=(;)
   Call: (207) [system] 'A'=(/)
   Fail: (207) [system] 'A'=(/)
^  Call: (207) [user] is_like_space('A')
   Call: (208) [system] char_type('A', 'white')
   Fail: (208) [system] char_type('A', 'white')
   Call: (208) [system] char_type('A', end_of_line)
   Fail: (208) [system] char_type('A', end_of_line)
   Call: (208) [system] char_type('A', space)
   Fail: (208) [system] char_type('A', space)
   Call: (208) [system] char_type('A', cntrl)
   Fail: (208) [system] char_type('A', cntrl)
^  Fail: (207) [user] is_like_space('A')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] get_char((0x563acd73bee0), _2045436)
   Exit: (206) [system] get_char((0x563acd73bee0), 'A')
   Call: (206) [system] 'A'='('
   Fail: (206) [system] 'A'='('
   Call: (206) [system] 'A'='['
   Fail: (206) [system] 'A'='['
   Call: (206) [system] 'A'='{'
   Fail: (206) [system] 'A'='{'
   Call: (206) [system] 'A'='"'
   Fail: (206) [system] 'A'='"'
   Call: (206) [system] 'A'=!
   Fail: (206) [system] 'A'=!
   Call: (206) [system] 'A'='\''
   Fail: (206) [system] 'A'='\''
   Call: (206) [system] 'A'='`'
   Fail: (206) [system] 'A'='`'
   Call: (206) [system] 'A'=end_of_file
   Fail: (206) [system] 'A'=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x563acd73bee0), 'A', _2027568)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _2063078)
   Call: (208) [system] peek_char((0x563acd73bee0), _2064012)
   Exit: (208) [system] peek_char((0x563acd73bee0), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Fail: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_2068732, v('(', ')', end_of_file), n)
   Fail: (209) [system] arg(_2069664, v('(', ')', end_of_file), n)
^  Fail: (208) [user] is_delimiter(n)
   Call: (208) [system] ')'==n
   Fail: (208) [system] ')'==n
   Call: (208) [system] get_char((0x563acd73bee0), n)
   Exit: (208) [system] get_char((0x563acd73bee0), n)
   Call: (208) [system] n=(\)
   Fail: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _2077014)
   Call: (209) [system] peek_char((0x563acd73bee0), _2077948)
   Exit: (209) [system] peek_char((0x563acd73bee0), d)
^  Call: (209) [user] is_delimiter(d)
   Call: (210) [system] char_type(d, space)
   Fail: (210) [system] char_type(d, space)
   Call: (210) [system] arg(_2082668, v('(', ')', end_of_file), d)
   Fail: (210) [system] arg(_2083600, v('(', ')', end_of_file), d)
^  Fail: (209) [user] is_delimiter(d)
   Call: (209) [system] ')'==d
   Fail: (209) [system] ')'==d
   Call: (209) [system] get_char((0x563acd73bee0), d)
   Exit: (209) [system] get_char((0x563acd73bee0), d)
   Call: (209) [system] d=(\)
   Fail: (209) [system] d=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _2090950)
   Call: (210) [system] peek_char((0x563acd73bee0), _2091884)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (210) [user] is_delimiter('L')
   Call: (211) [system] char_type('L', space)
   Fail: (211) [system] char_type('L', space)
   Call: (211) [system] arg(_4464, v('(', ')', end_of_file), 'L')
   Fail: (211) [system] arg(_5150, v('(', ')', end_of_file), 'L')
^  Fail: (210) [user] is_delimiter('L')
   Call: (210) [system] ')'=='L'
   Fail: (210) [system] ')'=='L'
   Call: (210) [system] get_char((0x563acd73bee0), 'L')
   Exit: (210) [system] get_char((0x563acd73bee0), 'L')
   Call: (210) [system] 'L'=(\)
   Fail: (210) [system] 'L'=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _12500)
   Call: (211) [system] peek_char((0x563acd73bee0), _13434)
   Exit: (211) [system] peek_char((0x563acd73bee0), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Fail: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_18154, v('(', ')', end_of_file), i)
   Fail: (212) [system] arg(_19086, v('(', ')', end_of_file), i)
^  Fail: (211) [user] is_delimiter(i)
   Call: (211) [system] ')'==i
   Fail: (211) [system] ')'==i
   Call: (211) [system] get_char((0x563acd73bee0), i)
   Exit: (211) [system] get_char((0x563acd73bee0), i)
   Call: (211) [system] i=(\)
   Fail: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _26436)
   Call: (212) [system] peek_char((0x563acd73bee0), _27370)
   Exit: (212) [system] peek_char((0x563acd73bee0), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Fail: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_32090, v('(', ')', end_of_file), n)
   Fail: (213) [system] arg(_33022, v('(', ')', end_of_file), n)
^  Fail: (212) [user] is_delimiter(n)
   Call: (212) [system] ')'==n
   Fail: (212) [system] ')'==n
   Call: (212) [system] get_char((0x563acd73bee0), n)
   Exit: (212) [system] get_char((0x563acd73bee0), n)
   Call: (212) [system] n=(\)
   Fail: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _40372)
   Call: (213) [system] peek_char((0x563acd73bee0), _41306)
   Exit: (213) [system] peek_char((0x563acd73bee0), k)
^  Call: (213) [user] is_delimiter(k)
   Call: (214) [system] char_type(k, space)
   Fail: (214) [system] char_type(k, space)
   Call: (214) [system] arg(_46026, v('(', ')', end_of_file), k)
   Fail: (214) [system] arg(_46958, v('(', ')', end_of_file), k)
^  Fail: (213) [user] is_delimiter(k)
   Call: (213) [system] ')'==k
   Fail: (213) [system] ')'==k
   Call: (213) [system] get_char((0x563acd73bee0), k)
   Exit: (213) [system] get_char((0x563acd73bee0), k)
   Call: (213) [system] k=(\)
   Fail: (213) [system] k=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _54308)
   Call: (214) [system] peek_char((0x563acd73bee0), _55242)
   Exit: (214) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _54308=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (213) [system] _40372=[k]
   Exit: (213) [system] [k]=[k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (212) [system] _26436=[n, k]
   Exit: (212) [system] [n, k]=[n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (211) [system] _12500=[i, n, k]
   Exit: (211) [system] [i, n, k]=[i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (210) [system] _4394=['L', i, n, k]
   Exit: (210) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (209) [system] _4390=[d, 'L', i, n, k]
   Exit: (209) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, 'L', i, n, k])
   Call: (208) [system] _4386=[n, d, 'L', i, n, k]
   Exit: (208) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, d, 'L', i, n, k])
^  Call: (207) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _4382)
^  Call: (208) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _81290)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_82242, _82244), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _81290), _82224, fail)), '$restore_trace'(_82242, _82244))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_82242, _82244))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _81290), _82224, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_81290)
   Fail: (209) [system] atomic(_81290)
   Call: (209) [system] atom_chars(_81290, ['A', n, d, 'L', i, n, k])
   Exit: (209) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (208) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (208) [system] integer('AndLink')
   Fail: (208) [system] integer('AndLink')
   Call: (208) [system] _4382='AndLink'
   Exit: (208) [system] 'AndLink'='AndLink'
^  Exit: (207) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (206) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'AndLink')
^  Exit: (205) [user] cont_sexpr(')', (0x563acd73bee0), 'AndLink')
^  Call: (205) [user] read_list(')', (0x563acd73bee0), _96240)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _98098)
   Exit: (207) [system] peek_char((0x563acd73bee0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
   Call: (207) [system] ' '=(/)
   Fail: (207) [system] ' '=(/)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x563acd73bee0), _107692)
   Exit: (207) [system] get_char((0x563acd73bee0), ' ')
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _110396)
   Exit: (208) [system] peek_char((0x563acd73bee0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _127330)
   Exit: (206) [system] peek_char((0x563acd73bee0), '(')
   Call: (206) [system] '('=')'
   Fail: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
   Fail: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x563acd73bee0), _132900)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _134758)
   Exit: (208) [system] peek_char((0x563acd73bee0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] get_char((0x563acd73bee0), _150768)
   Exit: (207) [system] get_char((0x563acd73bee0), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x563acd73bee0), _132900)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _156338)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'I')
   Call: (209) [system] 'I'=(;)
   Fail: (209) [system] 'I'=(;)
   Call: (209) [system] 'I'=(/)
   Fail: (209) [system] 'I'=(/)
^  Call: (209) [user] is_like_space('I')
   Call: (210) [system] char_type('I', 'white')
   Fail: (210) [system] char_type('I', 'white')
   Call: (210) [system] char_type('I', end_of_line)
   Fail: (210) [system] char_type('I', end_of_line)
   Call: (210) [system] char_type('I', space)
   Fail: (210) [system] char_type('I', space)
   Call: (210) [system] char_type('I', cntrl)
   Fail: (210) [system] char_type('I', cntrl)
^  Fail: (209) [user] is_like_space('I')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _172348)
   Exit: (208) [system] peek_char((0x563acd73bee0), 'I')
   Call: (208) [system] 'I'=')'
   Fail: (208) [system] 'I'=')'
   Call: (208) [system] 'I'=end_of_file
   Fail: (208) [system] 'I'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x563acd73bee0), _177918)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _179776)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'I')
   Call: (210) [system] 'I'=(;)
   Fail: (210) [system] 'I'=(;)
   Call: (210) [system] 'I'=(/)
   Fail: (210) [system] 'I'=(/)
^  Call: (210) [user] is_like_space('I')
   Call: (211) [system] char_type('I', 'white')
   Fail: (211) [system] char_type('I', 'white')
   Call: (211) [system] char_type('I', end_of_line)
   Fail: (211) [system] char_type('I', end_of_line)
   Call: (211) [system] char_type('I', space)
   Fail: (211) [system] char_type('I', space)
   Call: (211) [system] char_type('I', cntrl)
   Fail: (211) [system] char_type('I', cntrl)
^  Fail: (210) [user] is_like_space('I')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] get_char((0x563acd73bee0), _195786)
   Exit: (209) [system] get_char((0x563acd73bee0), 'I')
   Call: (209) [system] 'I'='('
   Fail: (209) [system] 'I'='('
   Call: (209) [system] 'I'='['
   Fail: (209) [system] 'I'='['
   Call: (209) [system] 'I'='{'
   Fail: (209) [system] 'I'='{'
   Call: (209) [system] 'I'='"'
   Fail: (209) [system] 'I'='"'
   Call: (209) [system] 'I'=!
   Fail: (209) [system] 'I'=!
   Call: (209) [system] 'I'='\''
   Fail: (209) [system] 'I'='\''
   Call: (209) [system] 'I'='`'
   Fail: (209) [system] 'I'='`'
   Call: (209) [system] 'I'=end_of_file
   Fail: (209) [system] 'I'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x563acd73bee0), 'I', _177918)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _213428)
   Call: (211) [system] peek_char((0x563acd73bee0), _214362)
   Exit: (211) [system] peek_char((0x563acd73bee0), m)
^  Call: (211) [user] is_delimiter(m)
   Call: (212) [system] char_type(m, space)
   Fail: (212) [system] char_type(m, space)
   Call: (212) [system] arg(_219082, v('(', ')', end_of_file), m)
   Fail: (212) [system] arg(_220014, v('(', ')', end_of_file), m)
^  Fail: (211) [user] is_delimiter(m)
   Call: (211) [system] ')'==m
   Fail: (211) [system] ')'==m
   Call: (211) [system] get_char((0x563acd73bee0), m)
   Exit: (211) [system] get_char((0x563acd73bee0), m)
   Call: (211) [system] m=(\)
   Fail: (211) [system] m=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _227364)
   Call: (212) [system] peek_char((0x563acd73bee0), _228298)
   Exit: (212) [system] peek_char((0x563acd73bee0), p)
^  Call: (212) [user] is_delimiter(p)
   Call: (213) [system] char_type(p, space)
   Fail: (213) [system] char_type(p, space)
   Call: (213) [system] arg(_233018, v('(', ')', end_of_file), p)
   Fail: (213) [system] arg(_233950, v('(', ')', end_of_file), p)
^  Fail: (212) [user] is_delimiter(p)
   Call: (212) [system] ')'==p
   Fail: (212) [system] ')'==p
   Call: (212) [system] get_char((0x563acd73bee0), p)
   Exit: (212) [system] get_char((0x563acd73bee0), p)
   Call: (212) [system] p=(\)
   Fail: (212) [system] p=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _241300)
   Call: (213) [system] peek_char((0x563acd73bee0), _242234)
   Exit: (213) [system] peek_char((0x563acd73bee0), l)
^  Call: (213) [user] is_delimiter(l)
   Call: (214) [system] char_type(l, space)
   Fail: (214) [system] char_type(l, space)
   Call: (214) [system] arg(_246954, v('(', ')', end_of_file), l)
   Fail: (214) [system] arg(_247886, v('(', ')', end_of_file), l)
^  Fail: (213) [user] is_delimiter(l)
   Call: (213) [system] ')'==l
   Fail: (213) [system] ')'==l
   Call: (213) [system] get_char((0x563acd73bee0), l)
   Exit: (213) [system] get_char((0x563acd73bee0), l)
   Call: (213) [system] l=(\)
   Fail: (213) [system] l=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _255236)
   Call: (214) [system] peek_char((0x563acd73bee0), _256170)
   Exit: (214) [system] peek_char((0x563acd73bee0), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Fail: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_260890, v('(', ')', end_of_file), i)
   Fail: (215) [system] arg(_261822, v('(', ')', end_of_file), i)
^  Fail: (214) [user] is_delimiter(i)
   Call: (214) [system] ')'==i
   Fail: (214) [system] ')'==i
   Call: (214) [system] get_char((0x563acd73bee0), i)
   Exit: (214) [system] get_char((0x563acd73bee0), i)
   Call: (214) [system] i=(\)
   Fail: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _269172)
   Call: (215) [system] peek_char((0x563acd73bee0), _270106)
   Exit: (215) [system] peek_char((0x563acd73bee0), c)
^  Call: (215) [user] is_delimiter(c)
   Call: (216) [system] char_type(c, space)
   Fail: (216) [system] char_type(c, space)
   Call: (216) [system] arg(_274826, v('(', ')', end_of_file), c)
   Fail: (216) [system] arg(_275758, v('(', ')', end_of_file), c)
^  Fail: (215) [user] is_delimiter(c)
   Call: (215) [system] ')'==c
   Fail: (215) [system] ')'==c
   Call: (215) [system] get_char((0x563acd73bee0), c)
   Exit: (215) [system] get_char((0x563acd73bee0), c)
   Call: (215) [system] c=(\)
   Fail: (215) [system] c=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _283108)
   Call: (216) [system] peek_char((0x563acd73bee0), _284042)
   Exit: (216) [system] peek_char((0x563acd73bee0), a)
^  Call: (216) [user] is_delimiter(a)
   Call: (217) [system] char_type(a, space)
   Fail: (217) [system] char_type(a, space)
   Call: (217) [system] arg(_288762, v('(', ')', end_of_file), a)
   Fail: (217) [system] arg(_289694, v('(', ')', end_of_file), a)
^  Fail: (216) [user] is_delimiter(a)
   Call: (216) [system] ')'==a
   Fail: (216) [system] ')'==a
   Call: (216) [system] get_char((0x563acd73bee0), a)
   Exit: (216) [system] get_char((0x563acd73bee0), a)
   Call: (216) [system] a=(\)
   Fail: (216) [system] a=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _297044)
   Call: (217) [system] peek_char((0x563acd73bee0), _297978)
   Exit: (217) [system] peek_char((0x563acd73bee0), t)
^  Call: (217) [user] is_delimiter(t)
   Call: (218) [system] char_type(t, space)
   Fail: (218) [system] char_type(t, space)
   Call: (218) [system] arg(_302698, v('(', ')', end_of_file), t)
   Fail: (218) [system] arg(_303630, v('(', ')', end_of_file), t)
^  Fail: (217) [user] is_delimiter(t)
   Call: (217) [system] ')'==t
   Fail: (217) [system] ')'==t
   Call: (217) [system] get_char((0x563acd73bee0), t)
   Exit: (217) [system] get_char((0x563acd73bee0), t)
   Call: (217) [system] t=(\)
   Fail: (217) [system] t=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _310980)
   Call: (218) [system] peek_char((0x563acd73bee0), _311914)
   Exit: (218) [system] peek_char((0x563acd73bee0), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Fail: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_316634, v('(', ')', end_of_file), i)
   Fail: (219) [system] arg(_317566, v('(', ')', end_of_file), i)
^  Fail: (218) [user] is_delimiter(i)
   Call: (218) [system] ')'==i
   Fail: (218) [system] ')'==i
   Call: (218) [system] get_char((0x563acd73bee0), i)
   Exit: (218) [system] get_char((0x563acd73bee0), i)
   Call: (218) [system] i=(\)
   Fail: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _324916)
   Call: (219) [system] peek_char((0x563acd73bee0), _325850)
   Exit: (219) [system] peek_char((0x563acd73bee0), o)
^  Call: (219) [user] is_delimiter(o)
   Call: (220) [system] char_type(o, space)
   Fail: (220) [system] char_type(o, space)
   Call: (220) [system] arg(_330570, v('(', ')', end_of_file), o)
   Fail: (220) [system] arg(_331502, v('(', ')', end_of_file), o)
^  Fail: (219) [user] is_delimiter(o)
   Call: (219) [system] ')'==o
   Fail: (219) [system] ')'==o
   Call: (219) [system] get_char((0x563acd73bee0), o)
   Exit: (219) [system] get_char((0x563acd73bee0), o)
   Call: (219) [system] o=(\)
   Fail: (219) [system] o=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _338852)
   Call: (220) [system] peek_char((0x563acd73bee0), _339786)
   Exit: (220) [system] peek_char((0x563acd73bee0), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_344506, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_345438, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x563acd73bee0), n)
   Exit: (220) [system] get_char((0x563acd73bee0), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _352788)
   Call: (221) [system] peek_char((0x563acd73bee0), _353722)
   Exit: (221) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (221) [user] is_delimiter(' ')
   Call: (222) [system] char_type(' ', space)
   Exit: (222) [system] char_type(' ', space)
^  Exit: (221) [user] is_delimiter(' ')
   Call: (221) [system] _352788=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (220) [system] _338852=[n]
   Exit: (220) [system] [n]=[n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (219) [system] _324916=[o, n]
   Exit: (219) [system] [o, n]=[o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (218) [system] _310980=[i, o, n]
   Exit: (218) [system] [i, o, n]=[i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (217) [system] _297044=[t, i, o, n]
   Exit: (217) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (216) [system] _283108=[a, t, i, o, n]
   Exit: (216) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (215) [system] _269172=[c, a, t, i, o, n]
   Exit: (215) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (214) [system] _255236=[i, c, a, t, i, o, n]
   Exit: (214) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (213) [system] _241300=[l, i, c, a, t, i, o, n]
   Exit: (213) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (212) [system] _227364=[p, l, i, c, a, t, i, o, n]
   Exit: (212) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (211) [system] _213428=[m, p, l, i, c, a, t, i, o, n]
   Exit: (211) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (210) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _177918)
^  Call: (211) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _390946)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_391898, _391900), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _390946), _391880, fail)), '$restore_trace'(_391898, _391900))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_391898, _391900))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _390946), _391880, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_390946)
   Fail: (212) [system] atomic(_390946)
   Call: (212) [system] atom_chars(_390946, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (212) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (211) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (211) [system] integer('Implication')
   Fail: (211) [system] integer('Implication')
   Call: (211) [system] _177918='Implication'
   Exit: (211) [system] 'Implication'='Implication'
^  Exit: (210) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (209) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (208) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (208) [user] read_list(')', (0x563acd73bee0), _405896)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _407754)
   Exit: (210) [system] peek_char((0x563acd73bee0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x563acd73bee0), _417348)
   Exit: (210) [system] get_char((0x563acd73bee0), ' ')
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _420052)
   Exit: (211) [system] peek_char((0x563acd73bee0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _436986)
   Exit: (209) [system] peek_char((0x563acd73bee0), '(')
   Call: (209) [system] '('=')'
   Fail: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
   Fail: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x563acd73bee0), _442556)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _444414)
   Exit: (211) [system] peek_char((0x563acd73bee0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] get_char((0x563acd73bee0), _460424)
   Exit: (210) [system] get_char((0x563acd73bee0), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x563acd73bee0), _442556)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _465994)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'O')
   Call: (212) [system] 'O'=(;)
   Fail: (212) [system] 'O'=(;)
   Call: (212) [system] 'O'=(/)
   Fail: (212) [system] 'O'=(/)
^  Call: (212) [user] is_like_space('O')
   Call: (213) [system] char_type('O', 'white')
   Fail: (213) [system] char_type('O', 'white')
   Call: (213) [system] char_type('O', end_of_line)
   Fail: (213) [system] char_type('O', end_of_line)
   Call: (213) [system] char_type('O', space)
   Fail: (213) [system] char_type('O', space)
   Call: (213) [system] char_type('O', cntrl)
   Fail: (213) [system] char_type('O', cntrl)
^  Fail: (212) [user] is_like_space('O')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _482004)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'O')
   Call: (211) [system] 'O'=')'
   Fail: (211) [system] 'O'=')'
   Call: (211) [system] 'O'=end_of_file
   Fail: (211) [system] 'O'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x563acd73bee0), _487574)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _489432)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'O')
   Call: (213) [system] 'O'=(;)
   Fail: (213) [system] 'O'=(;)
   Call: (213) [system] 'O'=(/)
   Fail: (213) [system] 'O'=(/)
^  Call: (213) [user] is_like_space('O')
   Call: (214) [system] char_type('O', 'white')
   Fail: (214) [system] char_type('O', 'white')
   Call: (214) [system] char_type('O', end_of_line)
   Fail: (214) [system] char_type('O', end_of_line)
   Call: (214) [system] char_type('O', space)
   Fail: (214) [system] char_type('O', space)
   Call: (214) [system] char_type('O', cntrl)
   Fail: (214) [system] char_type('O', cntrl)
^  Fail: (213) [user] is_like_space('O')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] get_char((0x563acd73bee0), _505442)
   Exit: (212) [system] get_char((0x563acd73bee0), 'O')
   Call: (212) [system] 'O'='('
   Fail: (212) [system] 'O'='('
   Call: (212) [system] 'O'='['
   Fail: (212) [system] 'O'='['
   Call: (212) [system] 'O'='{'
   Fail: (212) [system] 'O'='{'
   Call: (212) [system] 'O'='"'
   Fail: (212) [system] 'O'='"'
   Call: (212) [system] 'O'=!
   Fail: (212) [system] 'O'=!
   Call: (212) [system] 'O'='\''
   Fail: (212) [system] 'O'='\''
   Call: (212) [system] 'O'='`'
   Fail: (212) [system] 'O'='`'
   Call: (212) [system] 'O'=end_of_file
   Fail: (212) [system] 'O'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x563acd73bee0), 'O', _487574)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _523084)
   Call: (214) [system] peek_char((0x563acd73bee0), _524018)
   Exit: (214) [system] peek_char((0x563acd73bee0), r)
^  Call: (214) [user] is_delimiter(r)
   Call: (215) [system] char_type(r, space)
   Fail: (215) [system] char_type(r, space)
   Call: (215) [system] arg(_528738, v('(', ')', end_of_file), r)
   Fail: (215) [system] arg(_529670, v('(', ')', end_of_file), r)
^  Fail: (214) [user] is_delimiter(r)
   Call: (214) [system] ')'==r
   Fail: (214) [system] ')'==r
   Call: (214) [system] get_char((0x563acd73bee0), r)
   Exit: (214) [system] get_char((0x563acd73bee0), r)
   Call: (214) [system] r=(\)
   Fail: (214) [system] r=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _537020)
   Call: (215) [system] peek_char((0x563acd73bee0), _537954)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (215) [user] is_delimiter('L')
   Call: (216) [system] char_type('L', space)
   Fail: (216) [system] char_type('L', space)
   Call: (216) [system] arg(_542674, v('(', ')', end_of_file), 'L')
   Fail: (216) [system] arg(_543606, v('(', ')', end_of_file), 'L')
^  Fail: (215) [user] is_delimiter('L')
   Call: (215) [system] ')'=='L'
   Fail: (215) [system] ')'=='L'
   Call: (215) [system] get_char((0x563acd73bee0), 'L')
   Exit: (215) [system] get_char((0x563acd73bee0), 'L')
   Call: (215) [system] 'L'=(\)
   Fail: (215) [system] 'L'=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _550956)
   Call: (216) [system] peek_char((0x563acd73bee0), _551890)
   Exit: (216) [system] peek_char((0x563acd73bee0), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Fail: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_556610, v('(', ')', end_of_file), i)
   Fail: (217) [system] arg(_557542, v('(', ')', end_of_file), i)
^  Fail: (216) [user] is_delimiter(i)
   Call: (216) [system] ')'==i
   Fail: (216) [system] ')'==i
   Call: (216) [system] get_char((0x563acd73bee0), i)
   Exit: (216) [system] get_char((0x563acd73bee0), i)
   Call: (216) [system] i=(\)
   Fail: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _564892)
   Call: (217) [system] peek_char((0x563acd73bee0), _565826)
   Exit: (217) [system] peek_char((0x563acd73bee0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_570546, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_571478, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x563acd73bee0), n)
   Exit: (217) [system] get_char((0x563acd73bee0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _578828)
   Call: (218) [system] peek_char((0x563acd73bee0), _579762)
   Exit: (218) [system] peek_char((0x563acd73bee0), k)
^  Call: (218) [user] is_delimiter(k)
   Call: (219) [system] char_type(k, space)
   Fail: (219) [system] char_type(k, space)
   Call: (219) [system] arg(_584482, v('(', ')', end_of_file), k)
   Fail: (219) [system] arg(_585414, v('(', ')', end_of_file), k)
^  Fail: (218) [user] is_delimiter(k)
   Call: (218) [system] ')'==k
   Fail: (218) [system] ')'==k
   Call: (218) [system] get_char((0x563acd73bee0), k)
   Exit: (218) [system] get_char((0x563acd73bee0), k)
   Call: (218) [system] k=(\)
   Fail: (218) [system] k=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _592764)
   Call: (219) [system] peek_char((0x563acd73bee0), _593698)
   Exit: (219) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _592764=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (218) [system] _578828=[k]
   Exit: (218) [system] [k]=[k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (217) [system] _564892=[n, k]
   Exit: (217) [system] [n, k]=[n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (216) [system] _550956=[i, n, k]
   Exit: (216) [system] [i, n, k]=[i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (215) [system] _537020=['L', i, n, k]
   Exit: (215) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (214) [system] _523084=[r, 'L', i, n, k]
   Exit: (214) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (213) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _487574)
^  Call: (214) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _616952)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_617904, _617906), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _616952), _617886, fail)), '$restore_trace'(_617904, _617906))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_617904, _617906))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _616952), _617886, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_616952)
   Fail: (215) [system] atomic(_616952)
   Call: (215) [system] atom_chars(_616952, ['O', r, 'L', i, n, k])
   Exit: (215) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (214) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (214) [system] integer('OrLink')
   Fail: (214) [system] integer('OrLink')
   Call: (214) [system] _487574='OrLink'
   Exit: (214) [system] 'OrLink'='OrLink'
^  Exit: (213) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (212) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (211) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (211) [user] read_list(')', (0x563acd73bee0), _631902)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _633760)
   Exit: (213) [system] peek_char((0x563acd73bee0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x563acd73bee0), _643354)
   Exit: (213) [system] get_char((0x563acd73bee0), ' ')
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _646058)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'C')
   Call: (214) [system] 'C'=(;)
   Fail: (214) [system] 'C'=(;)
   Call: (214) [system] 'C'=(/)
   Fail: (214) [system] 'C'=(/)
^  Call: (214) [user] is_like_space('C')
   Call: (215) [system] char_type('C', 'white')
   Fail: (215) [system] char_type('C', 'white')
   Call: (215) [system] char_type('C', end_of_line)
   Fail: (215) [system] char_type('C', end_of_line)
   Call: (215) [system] char_type('C', space)
   Fail: (215) [system] char_type('C', space)
   Call: (215) [system] char_type('C', cntrl)
   Fail: (215) [system] char_type('C', cntrl)
^  Fail: (214) [user] is_like_space('C')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _662992)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'C')
   Call: (212) [system] 'C'=')'
   Fail: (212) [system] 'C'=')'
   Call: (212) [system] 'C'=end_of_file
   Fail: (212) [system] 'C'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x563acd73bee0), _668562)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _670420)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'C')
   Call: (214) [system] 'C'=(;)
   Fail: (214) [system] 'C'=(;)
   Call: (214) [system] 'C'=(/)
   Fail: (214) [system] 'C'=(/)
^  Call: (214) [user] is_like_space('C')
   Call: (215) [system] char_type('C', 'white')
   Fail: (215) [system] char_type('C', 'white')
   Call: (215) [system] char_type('C', end_of_line)
   Fail: (215) [system] char_type('C', end_of_line)
   Call: (215) [system] char_type('C', space)
   Fail: (215) [system] char_type('C', space)
   Call: (215) [system] char_type('C', cntrl)
   Fail: (215) [system] char_type('C', cntrl)
^  Fail: (214) [user] is_like_space('C')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] get_char((0x563acd73bee0), _686430)
   Exit: (213) [system] get_char((0x563acd73bee0), 'C')
   Call: (213) [system] 'C'='('
   Fail: (213) [system] 'C'='('
   Call: (213) [system] 'C'='['
   Fail: (213) [system] 'C'='['
   Call: (213) [system] 'C'='{'
   Fail: (213) [system] 'C'='{'
   Call: (213) [system] 'C'='"'
   Fail: (213) [system] 'C'='"'
   Call: (213) [system] 'C'=!
   Fail: (213) [system] 'C'=!
   Call: (213) [system] 'C'='\''
   Fail: (213) [system] 'C'='\''
   Call: (213) [system] 'C'='`'
   Fail: (213) [system] 'C'='`'
   Call: (213) [system] 'C'=end_of_file
   Fail: (213) [system] 'C'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x563acd73bee0), 'C', _668562)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _704072)
   Call: (215) [system] peek_char((0x563acd73bee0), _705006)
   Exit: (215) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _704072=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (214) [user] classify_and_convert_charseq(['C'], _668562)
^  Call: (215) [user] classify_and_convert_charseq_(['C'], _714290)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_715242, _715244), once(user:catch(read_from_chars(['C'], _714290), _715224, fail)), '$restore_trace'(_715242, _715244))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_715242, _715244))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _714290), _715224, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_714290)
   Fail: (216) [system] atomic(_714290)
   Call: (216) [system] atom_chars(_714290, ['C'])
   Exit: (216) [system] atom_chars('C', ['C'])
^  Exit: (215) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (215) [system] integer('C')
   Fail: (215) [system] integer('C')
   Call: (215) [system] _668562='C'
   Exit: (215) [system] 'C'='C'
^  Exit: (214) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (213) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (212) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (212) [user] read_list(')', (0x563acd73bee0), _729240)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _731098)
   Exit: (214) [system] peek_char((0x563acd73bee0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x563acd73bee0), _740692)
   Exit: (214) [system] get_char((0x563acd73bee0), ' ')
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _743396)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'D')
   Call: (215) [system] 'D'=(;)
   Fail: (215) [system] 'D'=(;)
   Call: (215) [system] 'D'=(/)
   Fail: (215) [system] 'D'=(/)
^  Call: (215) [user] is_like_space('D')
   Call: (216) [system] char_type('D', 'white')
   Fail: (216) [system] char_type('D', 'white')
   Call: (216) [system] char_type('D', end_of_line)
   Fail: (216) [system] char_type('D', end_of_line)
   Call: (216) [system] char_type('D', space)
   Fail: (216) [system] char_type('D', space)
   Call: (216) [system] char_type('D', cntrl)
   Fail: (216) [system] char_type('D', cntrl)
^  Fail: (215) [user] is_like_space('D')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _760330)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'D')
   Call: (213) [system] 'D'=')'
   Fail: (213) [system] 'D'=')'
   Call: (213) [system] 'D'=end_of_file
   Fail: (213) [system] 'D'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x563acd73bee0), _765900)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _767758)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'D')
   Call: (215) [system] 'D'=(;)
   Fail: (215) [system] 'D'=(;)
   Call: (215) [system] 'D'=(/)
   Fail: (215) [system] 'D'=(/)
^  Call: (215) [user] is_like_space('D')
   Call: (216) [system] char_type('D', 'white')
   Fail: (216) [system] char_type('D', 'white')
   Call: (216) [system] char_type('D', end_of_line)
   Fail: (216) [system] char_type('D', end_of_line)
   Call: (216) [system] char_type('D', space)
   Fail: (216) [system] char_type('D', space)
   Call: (216) [system] char_type('D', cntrl)
   Fail: (216) [system] char_type('D', cntrl)
^  Fail: (215) [user] is_like_space('D')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] get_char((0x563acd73bee0), _783768)
   Exit: (214) [system] get_char((0x563acd73bee0), 'D')
   Call: (214) [system] 'D'='('
   Fail: (214) [system] 'D'='('
   Call: (214) [system] 'D'='['
   Fail: (214) [system] 'D'='['
   Call: (214) [system] 'D'='{'
   Fail: (214) [system] 'D'='{'
   Call: (214) [system] 'D'='"'
   Fail: (214) [system] 'D'='"'
   Call: (214) [system] 'D'=!
   Fail: (214) [system] 'D'=!
   Call: (214) [system] 'D'='\''
   Fail: (214) [system] 'D'='\''
   Call: (214) [system] 'D'='`'
   Fail: (214) [system] 'D'='`'
   Call: (214) [system] 'D'=end_of_file
   Fail: (214) [system] 'D'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x563acd73bee0), 'D', _765900)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _801410)
   Call: (216) [system] peek_char((0x563acd73bee0), _802344)
   Exit: (216) [system] peek_char((0x563acd73bee0), ')')
^  Call: (216) [user] is_delimiter(')')
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] arg(_807064, v('(', ')', end_of_file), ')')
   Exit: (217) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (216) [user] is_delimiter(')')
   Call: (216) [system] _801410=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (215) [user] classify_and_convert_charseq(['D'], _765900)
^  Call: (216) [user] classify_and_convert_charseq_(['D'], _813500)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_814452, _814454), once(user:catch(read_from_chars(['D'], _813500), _814434, fail)), '$restore_trace'(_814452, _814454))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_814452, _814454))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _813500), _814434, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_813500)
   Fail: (217) [system] atomic(_813500)
   Call: (217) [system] atom_chars(_813500, ['D'])
   Exit: (217) [system] atom_chars('D', ['D'])
^  Exit: (216) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (216) [system] integer('D')
   Fail: (216) [system] integer('D')
   Call: (216) [system] _765900='D'
   Exit: (216) [system] 'D'='D'
^  Exit: (215) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (214) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'D')
^  Exit: (213) [user] cont_sexpr(')', (0x563acd73bee0), 'D')
^  Call: (213) [user] read_list(')', (0x563acd73bee0), _828450)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _830308)
   Exit: (215) [system] peek_char((0x563acd73bee0), ')')
   Call: (215) [system] ')'=(;)
   Fail: (215) [system] ')'=(;)
   Call: (215) [system] ')'=(/)
   Fail: (215) [system] ')'=(/)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Fail: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Fail: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
   Fail: (216) [system] char_type(')', cntrl)
^  Fail: (215) [user] is_like_space(')')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _846318)
   Exit: (214) [system] peek_char((0x563acd73bee0), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x563acd73bee0), _850108)
   Exit: (214) [system] get_char((0x563acd73bee0), ')')
   Call: (214) [system] _828450=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x563acd73bee0), [])
   Call: (213) [system] _729240=['D']
   Exit: (213) [system] ['D']=['D']
^  Exit: (212) [user] read_list(')', (0x563acd73bee0), ['D'])
   Call: (212) [system] _631902=['C', 'D']
   Exit: (212) [system] ['C', 'D']=['C', 'D']
^  Exit: (211) [user] read_list(')', (0x563acd73bee0), ['C', 'D'])
   Call: (211) [system] _442556=['OrLink', 'C', 'D']
   Exit: (211) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (210) [user] read_list(')', (0x563acd73bee0), ['OrLink', 'C', 'D'])
^  Exit: (209) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', 'C', 'D'])
^  Call: (209) [user] read_list(')', (0x563acd73bee0), _863990)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _865848)
   Exit: (211) [system] peek_char((0x563acd73bee0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x563acd73bee0), _875442)
   Exit: (211) [system] get_char((0x563acd73bee0), ' ')
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _878146)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'E')
   Call: (212) [system] 'E'=(;)
   Fail: (212) [system] 'E'=(;)
   Call: (212) [system] 'E'=(/)
   Fail: (212) [system] 'E'=(/)
^  Call: (212) [user] is_like_space('E')
   Call: (213) [system] char_type('E', 'white')
   Fail: (213) [system] char_type('E', 'white')
   Call: (213) [system] char_type('E', end_of_line)
   Fail: (213) [system] char_type('E', end_of_line)
   Call: (213) [system] char_type('E', space)
   Fail: (213) [system] char_type('E', space)
   Call: (213) [system] char_type('E', cntrl)
   Fail: (213) [system] char_type('E', cntrl)
^  Fail: (212) [user] is_like_space('E')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _895080)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'E')
   Call: (210) [system] 'E'=')'
   Fail: (210) [system] 'E'=')'
   Call: (210) [system] 'E'=end_of_file
   Fail: (210) [system] 'E'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x563acd73bee0), _900650)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _902508)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'E')
   Call: (212) [system] 'E'=(;)
   Fail: (212) [system] 'E'=(;)
   Call: (212) [system] 'E'=(/)
   Fail: (212) [system] 'E'=(/)
^  Call: (212) [user] is_like_space('E')
   Call: (213) [system] char_type('E', 'white')
   Fail: (213) [system] char_type('E', 'white')
   Call: (213) [system] char_type('E', end_of_line)
   Fail: (213) [system] char_type('E', end_of_line)
   Call: (213) [system] char_type('E', space)
   Fail: (213) [system] char_type('E', space)
   Call: (213) [system] char_type('E', cntrl)
   Fail: (213) [system] char_type('E', cntrl)
^  Fail: (212) [user] is_like_space('E')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] get_char((0x563acd73bee0), _918518)
   Exit: (211) [system] get_char((0x563acd73bee0), 'E')
   Call: (211) [system] 'E'='('
   Fail: (211) [system] 'E'='('
   Call: (211) [system] 'E'='['
   Fail: (211) [system] 'E'='['
   Call: (211) [system] 'E'='{'
   Fail: (211) [system] 'E'='{'
   Call: (211) [system] 'E'='"'
   Fail: (211) [system] 'E'='"'
   Call: (211) [system] 'E'=!
   Fail: (211) [system] 'E'=!
   Call: (211) [system] 'E'='\''
   Fail: (211) [system] 'E'='\''
   Call: (211) [system] 'E'='`'
   Fail: (211) [system] 'E'='`'
   Call: (211) [system] 'E'=end_of_file
   Fail: (211) [system] 'E'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x563acd73bee0), 'E', _900650)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _936160)
   Call: (213) [system] peek_char((0x563acd73bee0), _937094)
   Exit: (213) [system] peek_char((0x563acd73bee0), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_941814, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _936160=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (212) [user] classify_and_convert_charseq(['E'], _900650)
^  Call: (213) [user] classify_and_convert_charseq_(['E'], _948250)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_949202, _949204), once(user:catch(read_from_chars(['E'], _948250), _949184, fail)), '$restore_trace'(_949202, _949204))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_949202, _949204))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _948250), _949184, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_948250)
   Fail: (214) [system] atomic(_948250)
   Call: (214) [system] atom_chars(_948250, ['E'])
   Exit: (214) [system] atom_chars('E', ['E'])
^  Exit: (213) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (213) [system] integer('E')
   Fail: (213) [system] integer('E')
   Call: (213) [system] _900650='E'
   Exit: (213) [system] 'E'='E'
^  Exit: (212) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (211) [user] read_symbolic(')', (0x563acd73bee0), 'E', 'E')
^  Exit: (210) [user] cont_sexpr(')', (0x563acd73bee0), 'E')
^  Call: (210) [user] read_list(')', (0x563acd73bee0), _963200)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _965058)
   Exit: (212) [system] peek_char((0x563acd73bee0), ')')
   Call: (212) [system] ')'=(;)
   Fail: (212) [system] ')'=(;)
   Call: (212) [system] ')'=(/)
   Fail: (212) [system] ')'=(/)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Fail: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Fail: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
   Fail: (213) [system] char_type(')', cntrl)
^  Fail: (212) [user] is_like_space(')')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _981068)
   Exit: (211) [system] peek_char((0x563acd73bee0), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x563acd73bee0), _984858)
   Exit: (211) [system] get_char((0x563acd73bee0), ')')
   Call: (211) [system] _963200=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x563acd73bee0), [])
   Call: (210) [system] _863990=['E']
   Exit: (210) [system] ['E']=['E']
^  Exit: (209) [user] read_list(')', (0x563acd73bee0), ['E'])
   Call: (209) [system] _405896=[['OrLink', 'C', 'D'], 'E']
   Exit: (209) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (208) [user] read_list(')', (0x563acd73bee0), [['OrLink', 'C', 'D'], 'E'])
   Call: (208) [system] _132900=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (208) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (207) [user] read_list(')', (0x563acd73bee0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (206) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (206) [user] read_list(')', (0x563acd73bee0), _998740)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1000598)
   Exit: (208) [system] peek_char((0x563acd73bee0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x563acd73bee0), _1010192)
   Exit: (208) [system] get_char((0x563acd73bee0), ' ')
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1012896)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'A')
   Call: (209) [system] 'A'=(;)
   Fail: (209) [system] 'A'=(;)
   Call: (209) [system] 'A'=(/)
   Fail: (209) [system] 'A'=(/)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Fail: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Fail: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Fail: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
   Fail: (210) [system] char_type('A', cntrl)
^  Fail: (209) [user] is_like_space('A')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1029830)
   Exit: (207) [system] peek_char((0x563acd73bee0), 'A')
   Call: (207) [system] 'A'=')'
   Fail: (207) [system] 'A'=')'
   Call: (207) [system] 'A'=end_of_file
   Fail: (207) [system] 'A'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x563acd73bee0), _1035400)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1037258)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'A')
   Call: (209) [system] 'A'=(;)
   Fail: (209) [system] 'A'=(;)
   Call: (209) [system] 'A'=(/)
   Fail: (209) [system] 'A'=(/)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Fail: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Fail: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Fail: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
   Fail: (210) [system] char_type('A', cntrl)
^  Fail: (209) [user] is_like_space('A')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] get_char((0x563acd73bee0), _1053268)
   Exit: (208) [system] get_char((0x563acd73bee0), 'A')
   Call: (208) [system] 'A'='('
   Fail: (208) [system] 'A'='('
   Call: (208) [system] 'A'='['
   Fail: (208) [system] 'A'='['
   Call: (208) [system] 'A'='{'
   Fail: (208) [system] 'A'='{'
   Call: (208) [system] 'A'='"'
   Fail: (208) [system] 'A'='"'
   Call: (208) [system] 'A'=!
   Fail: (208) [system] 'A'=!
   Call: (208) [system] 'A'='\''
   Fail: (208) [system] 'A'='\''
   Call: (208) [system] 'A'='`'
   Fail: (208) [system] 'A'='`'
   Call: (208) [system] 'A'=end_of_file
   Fail: (208) [system] 'A'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x563acd73bee0), 'A', _1035400)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1070910)
   Call: (210) [system] peek_char((0x563acd73bee0), _1071844)
   Exit: (210) [system] peek_char((0x563acd73bee0), ')')
^  Call: (210) [user] is_delimiter(')')
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] arg(_1076564, v('(', ')', end_of_file), ')')
   Exit: (211) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (210) [user] is_delimiter(')')
   Call: (210) [system] _1070910=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (209) [user] classify_and_convert_charseq(['A'], _1035400)
^  Call: (210) [user] classify_and_convert_charseq_(['A'], _1083000)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1083952, _1083954), once(user:catch(read_from_chars(['A'], _1083000), _1083934, fail)), '$restore_trace'(_1083952, _1083954))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1083952, _1083954))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1083000), _1083934, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_1083000)
   Fail: (211) [system] atomic(_1083000)
   Call: (211) [system] atom_chars(_1083000, ['A'])
   Exit: (211) [system] atom_chars('A', ['A'])
^  Exit: (210) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (210) [system] integer('A')
   Fail: (210) [system] integer('A')
   Call: (210) [system] _1035400='A'
   Exit: (210) [system] 'A'='A'
^  Exit: (209) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (208) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (207) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (207) [user] read_list(')', (0x563acd73bee0), _1097950)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1099808)
   Exit: (209) [system] peek_char((0x563acd73bee0), ')')
   Call: (209) [system] ')'=(;)
   Fail: (209) [system] ')'=(;)
   Call: (209) [system] ')'=(/)
   Fail: (209) [system] ')'=(/)
^  Call: (209) [user] is_like_space(')')
   Call: (210) [system] char_type(')', 'white')
   Fail: (210) [system] char_type(')', 'white')
   Call: (210) [system] char_type(')', end_of_line)
   Fail: (210) [system] char_type(')', end_of_line)
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] char_type(')', cntrl)
   Fail: (210) [system] char_type(')', cntrl)
^  Fail: (209) [user] is_like_space(')')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1115818)
   Exit: (208) [system] peek_char((0x563acd73bee0), ')')
   Call: (208) [system] ')'=')'
   Exit: (208) [system] ')'=')'
   Call: (208) [system] get_char((0x563acd73bee0), _1119608)
   Exit: (208) [system] get_char((0x563acd73bee0), ')')
   Call: (208) [system] _1097950=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_list(')', (0x563acd73bee0), [])
   Call: (207) [system] _998740=['A']
   Exit: (207) [system] ['A']=['A']
^  Exit: (206) [user] read_list(')', (0x563acd73bee0), ['A'])
   Call: (206) [system] _96240=[['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']
   Exit: (206) [system] [['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']=[['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']
^  Exit: (205) [user] read_list(')', (0x563acd73bee0), [['Implication', ['OrLink', 'C', 'D'], 'E'], 'A'])
   Call: (205) [system] _4376=['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']
   Exit: (205) [system] ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']=['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']
^  Exit: (204) [user] read_list(')', (0x563acd73bee0), ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A'])
^  Exit: (203) [user] cont_sexpr(')', (0x563acd73bee0), ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A'])
^  Call: (203) [user] read_list(')', (0x563acd73bee0), _1133490)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1135348)
   Exit: (205) [system] peek_char((0x563acd73bee0), ')')
   Call: (205) [system] ')'=(;)
   Fail: (205) [system] ')'=(;)
   Call: (205) [system] ')'=(/)
   Fail: (205) [system] ')'=(/)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Fail: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Fail: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
   Fail: (206) [system] char_type(')', cntrl)
^  Fail: (205) [user] is_like_space(')')
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1151358)
   Exit: (204) [system] peek_char((0x563acd73bee0), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x563acd73bee0), _1155148)
   Exit: (204) [system] get_char((0x563acd73bee0), ')')
   Call: (204) [system] _1133490=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x563acd73bee0), [])
   Call: (203) [system] _4372=[['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
   Exit: (203) [system] [['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]=[['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
^  Exit: (202) [user] read_list(')', (0x563acd73bee0), [['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']])
   Call: (202) [system] _4348=[['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
   Exit: (202) [system] [['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]=[['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
^  Exit: (201) [user] read_list(')', (0x563acd73bee0), [['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']])
   Call: (201) [system] _4340=[:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
   Exit: (201) [system] [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]=[:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']])
^  Exit: (199) [user] cont_sexpr(')', (0x563acd73bee0), [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']])
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _1169030)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1170888)
   Exit: (201) [system] peek_char((0x563acd73bee0), '\n')
   Call: (201) [system] '\n'=(;)
   Fail: (201) [system] '\n'=(;)
   Call: (201) [system] '\n'=(/)
   Fail: (201) [system] '\n'=(/)
^  Call: (201) [user] is_like_space('\n')
   Call: (202) [system] char_type('\n', 'white')
   Fail: (202) [system] char_type('\n', 'white')
   Call: (202) [system] char_type('\n', end_of_line)
   Exit: (202) [system] char_type('\n', end_of_line)
^  Exit: (201) [user] is_like_space('\n')
   Call: (201) [system] get_char((0x563acd73bee0), _1182338)
   Exit: (201) [system] get_char((0x563acd73bee0), '\n')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1185042)
   Exit: (202) [system] peek_char((0x563acd73bee0), '\t')
   Call: (202) [system] '\t'=(;)
   Fail: (202) [system] '\t'=(;)
   Call: (202) [system] '\t'=(/)
   Fail: (202) [system] '\t'=(/)
^  Call: (202) [user] is_like_space('\t')
   Call: (203) [system] char_type('\t', 'white')
   Exit: (203) [system] char_type('\t', 'white')
^  Exit: (202) [user] is_like_space('\t')
   Call: (202) [system] get_char((0x563acd73bee0), _1194636)
   Exit: (202) [system] get_char((0x563acd73bee0), '\t')
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1197340)
   Exit: (203) [system] peek_char((0x563acd73bee0), '\t')
   Call: (203) [system] '\t'=(;)
   Fail: (203) [system] '\t'=(;)
   Call: (203) [system] '\t'=(/)
   Fail: (203) [system] '\t'=(/)
^  Call: (203) [user] is_like_space('\t')
   Call: (204) [system] char_type('\t', 'white')
   Exit: (204) [system] char_type('\t', 'white')
^  Exit: (203) [user] is_like_space('\t')
   Call: (203) [system] get_char((0x563acd73bee0), _1206934)
   Exit: (203) [system] get_char((0x563acd73bee0), '\t')
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1209638)
   Exit: (204) [system] peek_char((0x563acd73bee0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x563acd73bee0), _1219232)
   Exit: (204) [system] get_char((0x563acd73bee0), ' ')
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1221936)
   Exit: (205) [system] peek_char((0x563acd73bee0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1241642)
   Exit: (200) [system] peek_char((0x563acd73bee0), '(')
   Call: (200) [system] '('=')'
   Fail: (200) [system] '('=')'
   Call: (200) [system] '('=end_of_file
   Fail: (200) [system] '('=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x563acd73bee0), _1247212)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1249070)
   Exit: (202) [system] peek_char((0x563acd73bee0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] get_char((0x563acd73bee0), _1265080)
   Exit: (201) [system] get_char((0x563acd73bee0), '(')
   Call: (201) [system] '('='('
   Exit: (201) [system] '('='('
^  Call: (201) [user] read_list(')', (0x563acd73bee0), _1247212)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1270650)
   Exit: (203) [system] peek_char((0x563acd73bee0), :)
   Call: (203) [system] (:)=(;)
   Fail: (203) [system] (:)=(;)
   Call: (203) [system] (:)=(/)
   Fail: (203) [system] (:)=(/)
^  Call: (203) [user] is_like_space(:)
   Call: (204) [system] char_type(:, 'white')
   Fail: (204) [system] char_type(:, 'white')
   Call: (204) [system] char_type(:, end_of_line)
   Fail: (204) [system] char_type(:, end_of_line)
   Call: (204) [system] char_type(:, space)
   Fail: (204) [system] char_type(:, space)
   Call: (204) [system] char_type(:, cntrl)
   Fail: (204) [system] char_type(:, cntrl)
^  Fail: (203) [user] is_like_space(:)
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1286660)
   Exit: (202) [system] peek_char((0x563acd73bee0), :)
   Call: (202) [system] (:)=')'
   Fail: (202) [system] (:)=')'
   Call: (202) [system] (:)=end_of_file
   Fail: (202) [system] (:)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x563acd73bee0), _1292230)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1294088)
   Exit: (204) [system] peek_char((0x563acd73bee0), :)
   Call: (204) [system] (:)=(;)
   Fail: (204) [system] (:)=(;)
   Call: (204) [system] (:)=(/)
   Fail: (204) [system] (:)=(/)
^  Call: (204) [user] is_like_space(:)
   Call: (205) [system] char_type(:, 'white')
   Fail: (205) [system] char_type(:, 'white')
   Call: (205) [system] char_type(:, end_of_line)
   Fail: (205) [system] char_type(:, end_of_line)
   Call: (205) [system] char_type(:, space)
   Fail: (205) [system] char_type(:, space)
   Call: (205) [system] char_type(:, cntrl)
   Fail: (205) [system] char_type(:, cntrl)
^  Fail: (204) [user] is_like_space(:)
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] get_char((0x563acd73bee0), _1310098)
   Exit: (203) [system] get_char((0x563acd73bee0), :)
   Call: (203) [system] (:)='('
   Fail: (203) [system] (:)='('
   Call: (203) [system] (:)='['
   Fail: (203) [system] (:)='['
   Call: (203) [system] (:)='{'
   Fail: (203) [system] (:)='{'
   Call: (203) [system] (:)='"'
   Fail: (203) [system] (:)='"'
   Call: (203) [system] (:)=!
   Fail: (203) [system] (:)=!
   Call: (203) [system] (:)='\''
   Fail: (203) [system] (:)='\''
   Call: (203) [system] (:)='`'
   Fail: (203) [system] (:)='`'
   Call: (203) [system] (:)=end_of_file
   Fail: (203) [system] (:)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x563acd73bee0), :, _1292230)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1327740)
   Call: (205) [system] peek_char((0x563acd73bee0), _1328674)
   Exit: (205) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _1327740=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (204) [user] classify_and_convert_charseq([:], _1292230)
^  Call: (205) [user] classify_and_convert_charseq_([:], _1337958)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_1338910, _1338912), once(user:catch(read_from_chars([:], _1337958), _1338892, fail)), '$restore_trace'(_1338910, _1338912))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_1338910, _1338912))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1338892, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(:)
   Exit: (206) [system] atomic(:)
^  Exit: (205) [user] classify_and_convert_charseq_([:], :)
   Call: (205) [system] integer(:)
   Fail: (205) [system] integer(:)
   Call: (205) [system] _1292230=(:)
   Exit: (205) [system] (:)=(:)
^  Exit: (204) [user] classify_and_convert_charseq([:], :)
^  Exit: (203) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (202) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (202) [user] read_list(')', (0x563acd73bee0), _1351038)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1352896)
   Exit: (204) [system] peek_char((0x563acd73bee0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x563acd73bee0), _1362490)
   Exit: (204) [system] get_char((0x563acd73bee0), ' ')
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1365194)
   Exit: (205) [system] peek_char((0x563acd73bee0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1382128)
   Exit: (203) [system] peek_char((0x563acd73bee0), '(')
   Call: (203) [system] '('=')'
   Fail: (203) [system] '('=')'
   Call: (203) [system] '('=end_of_file
   Fail: (203) [system] '('=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x563acd73bee0), _1387698)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1389556)
   Exit: (205) [system] peek_char((0x563acd73bee0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] get_char((0x563acd73bee0), _1405566)
   Exit: (204) [system] get_char((0x563acd73bee0), '(')
   Call: (204) [system] '('='('
   Exit: (204) [system] '('='('
^  Call: (204) [user] read_list(')', (0x563acd73bee0), _1387698)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1411136)
   Exit: (206) [system] peek_char((0x563acd73bee0), 'C')
   Call: (206) [system] 'C'=(;)
   Fail: (206) [system] 'C'=(;)
   Call: (206) [system] 'C'=(/)
   Fail: (206) [system] 'C'=(/)
^  Call: (206) [user] is_like_space('C')
   Call: (207) [system] char_type('C', 'white')
   Fail: (207) [system] char_type('C', 'white')
   Call: (207) [system] char_type('C', end_of_line)
   Fail: (207) [system] char_type('C', end_of_line)
   Call: (207) [system] char_type('C', space)
   Fail: (207) [system] char_type('C', space)
   Call: (207) [system] char_type('C', cntrl)
   Fail: (207) [system] char_type('C', cntrl)
^  Fail: (206) [user] is_like_space('C')
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1427146)
   Exit: (205) [system] peek_char((0x563acd73bee0), 'C')
   Call: (205) [system] 'C'=')'
   Fail: (205) [system] 'C'=')'
   Call: (205) [system] 'C'=end_of_file
   Fail: (205) [system] 'C'=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x563acd73bee0), _1432716)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1434574)
   Exit: (207) [system] peek_char((0x563acd73bee0), 'C')
   Call: (207) [system] 'C'=(;)
   Fail: (207) [system] 'C'=(;)
   Call: (207) [system] 'C'=(/)
   Fail: (207) [system] 'C'=(/)
^  Call: (207) [user] is_like_space('C')
   Call: (208) [system] char_type('C', 'white')
   Fail: (208) [system] char_type('C', 'white')
   Call: (208) [system] char_type('C', end_of_line)
   Fail: (208) [system] char_type('C', end_of_line)
   Call: (208) [system] char_type('C', space)
   Fail: (208) [system] char_type('C', space)
   Call: (208) [system] char_type('C', cntrl)
   Fail: (208) [system] char_type('C', cntrl)
^  Fail: (207) [user] is_like_space('C')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] get_char((0x563acd73bee0), _1450584)
   Exit: (206) [system] get_char((0x563acd73bee0), 'C')
   Call: (206) [system] 'C'='('
   Fail: (206) [system] 'C'='('
   Call: (206) [system] 'C'='['
   Fail: (206) [system] 'C'='['
   Call: (206) [system] 'C'='{'
   Fail: (206) [system] 'C'='{'
   Call: (206) [system] 'C'='"'
   Fail: (206) [system] 'C'='"'
   Call: (206) [system] 'C'=!
   Fail: (206) [system] 'C'=!
   Call: (206) [system] 'C'='\''
   Fail: (206) [system] 'C'='\''
   Call: (206) [system] 'C'='`'
   Fail: (206) [system] 'C'='`'
   Call: (206) [system] 'C'=end_of_file
   Fail: (206) [system] 'C'=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x563acd73bee0), 'C', _1432716)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1468226)
   Call: (208) [system] peek_char((0x563acd73bee0), _1469160)
   Exit: (208) [system] peek_char((0x563acd73bee0), o)
^  Call: (208) [user] is_delimiter(o)
   Call: (209) [system] char_type(o, space)
   Fail: (209) [system] char_type(o, space)
   Call: (209) [system] arg(_1473880, v('(', ')', end_of_file), o)
   Fail: (209) [system] arg(_1474812, v('(', ')', end_of_file), o)
^  Fail: (208) [user] is_delimiter(o)
   Call: (208) [system] ')'==o
   Fail: (208) [system] ')'==o
   Call: (208) [system] get_char((0x563acd73bee0), o)
   Exit: (208) [system] get_char((0x563acd73bee0), o)
   Call: (208) [system] o=(\)
   Fail: (208) [system] o=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1482162)
   Call: (209) [system] peek_char((0x563acd73bee0), _1483096)
   Exit: (209) [system] peek_char((0x563acd73bee0), n)
^  Call: (209) [user] is_delimiter(n)
   Call: (210) [system] char_type(n, space)
   Fail: (210) [system] char_type(n, space)
   Call: (210) [system] arg(_1487816, v('(', ')', end_of_file), n)
   Fail: (210) [system] arg(_1488748, v('(', ')', end_of_file), n)
^  Fail: (209) [user] is_delimiter(n)
   Call: (209) [system] ')'==n
   Fail: (209) [system] ')'==n
   Call: (209) [system] get_char((0x563acd73bee0), n)
   Exit: (209) [system] get_char((0x563acd73bee0), n)
   Call: (209) [system] n=(\)
   Fail: (209) [system] n=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1496098)
   Call: (210) [system] peek_char((0x563acd73bee0), _1497032)
   Exit: (210) [system] peek_char((0x563acd73bee0), j)
^  Call: (210) [user] is_delimiter(j)
   Call: (211) [system] char_type(j, space)
   Fail: (211) [system] char_type(j, space)
   Call: (211) [system] arg(_1501752, v('(', ')', end_of_file), j)
   Fail: (211) [system] arg(_1502684, v('(', ')', end_of_file), j)
^  Fail: (210) [user] is_delimiter(j)
   Call: (210) [system] ')'==j
   Fail: (210) [system] ')'==j
   Call: (210) [system] get_char((0x563acd73bee0), j)
   Exit: (210) [system] get_char((0x563acd73bee0), j)
   Call: (210) [system] j=(\)
   Fail: (210) [system] j=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1510034)
   Call: (211) [system] peek_char((0x563acd73bee0), _1510968)
   Exit: (211) [system] peek_char((0x563acd73bee0), u)
^  Call: (211) [user] is_delimiter(u)
   Call: (212) [system] char_type(u, space)
   Fail: (212) [system] char_type(u, space)
   Call: (212) [system] arg(_1515688, v('(', ')', end_of_file), u)
   Fail: (212) [system] arg(_1516620, v('(', ')', end_of_file), u)
^  Fail: (211) [user] is_delimiter(u)
   Call: (211) [system] ')'==u
   Fail: (211) [system] ')'==u
   Call: (211) [system] get_char((0x563acd73bee0), u)
   Exit: (211) [system] get_char((0x563acd73bee0), u)
   Call: (211) [system] u=(\)
   Fail: (211) [system] u=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1523970)
   Call: (212) [system] peek_char((0x563acd73bee0), _1524904)
   Exit: (212) [system] peek_char((0x563acd73bee0), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Fail: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_1529624, v('(', ')', end_of_file), n)
   Fail: (213) [system] arg(_1530556, v('(', ')', end_of_file), n)
^  Fail: (212) [user] is_delimiter(n)
   Call: (212) [system] ')'==n
   Fail: (212) [system] ')'==n
   Call: (212) [system] get_char((0x563acd73bee0), n)
   Exit: (212) [system] get_char((0x563acd73bee0), n)
   Call: (212) [system] n=(\)
   Fail: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _1537906)
   Call: (213) [system] peek_char((0x563acd73bee0), _1538840)
   Exit: (213) [system] peek_char((0x563acd73bee0), c)
^  Call: (213) [user] is_delimiter(c)
   Call: (214) [system] char_type(c, space)
   Fail: (214) [system] char_type(c, space)
   Call: (214) [system] arg(_1543560, v('(', ')', end_of_file), c)
   Fail: (214) [system] arg(_1544492, v('(', ')', end_of_file), c)
^  Fail: (213) [user] is_delimiter(c)
   Call: (213) [system] ')'==c
   Fail: (213) [system] ')'==c
   Call: (213) [system] get_char((0x563acd73bee0), c)
   Exit: (213) [system] get_char((0x563acd73bee0), c)
   Call: (213) [system] c=(\)
   Fail: (213) [system] c=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _1551842)
   Call: (214) [system] peek_char((0x563acd73bee0), _1552776)
   Exit: (214) [system] peek_char((0x563acd73bee0), t)
^  Call: (214) [user] is_delimiter(t)
   Call: (215) [system] char_type(t, space)
   Fail: (215) [system] char_type(t, space)
   Call: (215) [system] arg(_1557496, v('(', ')', end_of_file), t)
   Fail: (215) [system] arg(_1558428, v('(', ')', end_of_file), t)
^  Fail: (214) [user] is_delimiter(t)
   Call: (214) [system] ')'==t
   Fail: (214) [system] ')'==t
   Call: (214) [system] get_char((0x563acd73bee0), t)
   Exit: (214) [system] get_char((0x563acd73bee0), t)
   Call: (214) [system] t=(\)
   Fail: (214) [system] t=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _1565778)
   Call: (215) [system] peek_char((0x563acd73bee0), _1566712)
   Exit: (215) [system] peek_char((0x563acd73bee0), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Fail: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_1571432, v('(', ')', end_of_file), i)
   Fail: (216) [system] arg(_1572364, v('(', ')', end_of_file), i)
^  Fail: (215) [user] is_delimiter(i)
   Call: (215) [system] ')'==i
   Fail: (215) [system] ')'==i
   Call: (215) [system] get_char((0x563acd73bee0), i)
   Exit: (215) [system] get_char((0x563acd73bee0), i)
   Call: (215) [system] i=(\)
   Fail: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _1579714)
   Call: (216) [system] peek_char((0x563acd73bee0), _1580648)
   Exit: (216) [system] peek_char((0x563acd73bee0), o)
^  Call: (216) [user] is_delimiter(o)
   Call: (217) [system] char_type(o, space)
   Fail: (217) [system] char_type(o, space)
   Call: (217) [system] arg(_1585368, v('(', ')', end_of_file), o)
   Fail: (217) [system] arg(_1586300, v('(', ')', end_of_file), o)
^  Fail: (216) [user] is_delimiter(o)
   Call: (216) [system] ')'==o
   Fail: (216) [system] ')'==o
   Call: (216) [system] get_char((0x563acd73bee0), o)
   Exit: (216) [system] get_char((0x563acd73bee0), o)
   Call: (216) [system] o=(\)
   Fail: (216) [system] o=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _1593650)
   Call: (217) [system] peek_char((0x563acd73bee0), _1594584)
   Exit: (217) [system] peek_char((0x563acd73bee0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_1599304, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_1600236, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x563acd73bee0), n)
   Exit: (217) [system] get_char((0x563acd73bee0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _1607586)
   Call: (218) [system] peek_char((0x563acd73bee0), _1608520)
   Exit: (218) [system] peek_char((0x563acd73bee0), 'I')
^  Call: (218) [user] is_delimiter('I')
   Call: (219) [system] char_type('I', space)
   Fail: (219) [system] char_type('I', space)
   Call: (219) [system] arg(_1613240, v('(', ')', end_of_file), 'I')
   Fail: (219) [system] arg(_1614172, v('(', ')', end_of_file), 'I')
^  Fail: (218) [user] is_delimiter('I')
   Call: (218) [system] ')'=='I'
   Fail: (218) [system] ')'=='I'
   Call: (218) [system] get_char((0x563acd73bee0), 'I')
   Exit: (218) [system] get_char((0x563acd73bee0), 'I')
   Call: (218) [system] 'I'=(\)
   Fail: (218) [system] 'I'=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _1621522)
   Call: (219) [system] peek_char((0x563acd73bee0), _1622456)
   Exit: (219) [system] peek_char((0x563acd73bee0), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_1627176, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_1628108, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x563acd73bee0), n)
   Exit: (219) [system] get_char((0x563acd73bee0), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _1635458)
   Call: (220) [system] peek_char((0x563acd73bee0), _1636392)
   Exit: (220) [system] peek_char((0x563acd73bee0), t)
^  Call: (220) [user] is_delimiter(t)
   Call: (221) [system] char_type(t, space)
   Fail: (221) [system] char_type(t, space)
   Call: (221) [system] arg(_1641112, v('(', ')', end_of_file), t)
   Fail: (221) [system] arg(_1642044, v('(', ')', end_of_file), t)
^  Fail: (220) [user] is_delimiter(t)
   Call: (220) [system] ')'==t
   Fail: (220) [system] ')'==t
   Call: (220) [system] get_char((0x563acd73bee0), t)
   Exit: (220) [system] get_char((0x563acd73bee0), t)
   Call: (220) [system] t=(\)
   Fail: (220) [system] t=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _1649394)
   Call: (221) [system] peek_char((0x563acd73bee0), _1650328)
   Exit: (221) [system] peek_char((0x563acd73bee0), r)
^  Call: (221) [user] is_delimiter(r)
   Call: (222) [system] char_type(r, space)
   Fail: (222) [system] char_type(r, space)
   Call: (222) [system] arg(_1655048, v('(', ')', end_of_file), r)
   Fail: (222) [system] arg(_1655980, v('(', ')', end_of_file), r)
^  Fail: (221) [user] is_delimiter(r)
   Call: (221) [system] ')'==r
   Fail: (221) [system] ')'==r
   Call: (221) [system] get_char((0x563acd73bee0), r)
   Exit: (221) [system] get_char((0x563acd73bee0), r)
   Call: (221) [system] r=(\)
   Fail: (221) [system] r=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _1663330)
   Call: (222) [system] peek_char((0x563acd73bee0), _1664264)
   Exit: (222) [system] peek_char((0x563acd73bee0), o)
^  Call: (222) [user] is_delimiter(o)
   Call: (223) [system] char_type(o, space)
   Fail: (223) [system] char_type(o, space)
   Call: (223) [system] arg(_1668984, v('(', ')', end_of_file), o)
   Fail: (223) [system] arg(_1669916, v('(', ')', end_of_file), o)
^  Fail: (222) [user] is_delimiter(o)
   Call: (222) [system] ')'==o
   Fail: (222) [system] ')'==o
   Call: (222) [system] get_char((0x563acd73bee0), o)
   Exit: (222) [system] get_char((0x563acd73bee0), o)
   Call: (222) [system] o=(\)
   Fail: (222) [system] o=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _1677266)
   Call: (223) [system] peek_char((0x563acd73bee0), _1678200)
   Exit: (223) [system] peek_char((0x563acd73bee0), d)
^  Call: (223) [user] is_delimiter(d)
   Call: (224) [system] char_type(d, space)
   Fail: (224) [system] char_type(d, space)
   Call: (224) [system] arg(_1682920, v('(', ')', end_of_file), d)
   Fail: (224) [system] arg(_1683852, v('(', ')', end_of_file), d)
^  Fail: (223) [user] is_delimiter(d)
   Call: (223) [system] ')'==d
   Fail: (223) [system] ')'==d
   Call: (223) [system] get_char((0x563acd73bee0), d)
   Exit: (223) [system] get_char((0x563acd73bee0), d)
   Call: (223) [system] d=(\)
   Fail: (223) [system] d=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _1691202)
   Call: (224) [system] peek_char((0x563acd73bee0), _1692136)
   Exit: (224) [system] peek_char((0x563acd73bee0), u)
^  Call: (224) [user] is_delimiter(u)
   Call: (225) [system] char_type(u, space)
   Fail: (225) [system] char_type(u, space)
   Call: (225) [system] arg(_1696856, v('(', ')', end_of_file), u)
   Fail: (225) [system] arg(_1697788, v('(', ')', end_of_file), u)
^  Fail: (224) [user] is_delimiter(u)
   Call: (224) [system] ')'==u
   Fail: (224) [system] ')'==u
   Call: (224) [system] get_char((0x563acd73bee0), u)
   Exit: (224) [system] get_char((0x563acd73bee0), u)
   Call: (224) [system] u=(\)
   Fail: (224) [system] u=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _1705138)
   Call: (225) [system] peek_char((0x563acd73bee0), _1706072)
   Exit: (225) [system] peek_char((0x563acd73bee0), c)
^  Call: (225) [user] is_delimiter(c)
   Call: (226) [system] char_type(c, space)
   Fail: (226) [system] char_type(c, space)
   Call: (226) [system] arg(_1710792, v('(', ')', end_of_file), c)
   Fail: (226) [system] arg(_1711724, v('(', ')', end_of_file), c)
^  Fail: (225) [user] is_delimiter(c)
   Call: (225) [system] ')'==c
   Fail: (225) [system] ')'==c
   Call: (225) [system] get_char((0x563acd73bee0), c)
   Exit: (225) [system] get_char((0x563acd73bee0), c)
   Call: (225) [system] c=(\)
   Fail: (225) [system] c=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _1719074)
   Call: (226) [system] peek_char((0x563acd73bee0), _1720008)
   Exit: (226) [system] peek_char((0x563acd73bee0), t)
^  Call: (226) [user] is_delimiter(t)
   Call: (227) [system] char_type(t, space)
   Fail: (227) [system] char_type(t, space)
   Call: (227) [system] arg(_1724728, v('(', ')', end_of_file), t)
   Fail: (227) [system] arg(_1725660, v('(', ')', end_of_file), t)
^  Fail: (226) [user] is_delimiter(t)
   Call: (226) [system] ')'==t
   Fail: (226) [system] ')'==t
   Call: (226) [system] get_char((0x563acd73bee0), t)
   Exit: (226) [system] get_char((0x563acd73bee0), t)
   Call: (226) [system] t=(\)
   Fail: (226) [system] t=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _1733010)
   Call: (227) [system] peek_char((0x563acd73bee0), _1733944)
   Exit: (227) [system] peek_char((0x563acd73bee0), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_1738664, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_1739596, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x563acd73bee0), i)
   Exit: (227) [system] get_char((0x563acd73bee0), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _1746946)
   Call: (228) [system] peek_char((0x563acd73bee0), _1747880)
   Exit: (228) [system] peek_char((0x563acd73bee0), o)
^  Call: (228) [user] is_delimiter(o)
   Call: (229) [system] char_type(o, space)
   Fail: (229) [system] char_type(o, space)
   Call: (229) [system] arg(_1752600, v('(', ')', end_of_file), o)
   Fail: (229) [system] arg(_1753532, v('(', ')', end_of_file), o)
^  Fail: (228) [user] is_delimiter(o)
   Call: (228) [system] ')'==o
   Fail: (228) [system] ')'==o
   Call: (228) [system] get_char((0x563acd73bee0), o)
   Exit: (228) [system] get_char((0x563acd73bee0), o)
   Call: (228) [system] o=(\)
   Fail: (228) [system] o=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _1760882)
   Call: (229) [system] peek_char((0x563acd73bee0), _1761816)
   Exit: (229) [system] peek_char((0x563acd73bee0), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_1766536, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_1767468, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x563acd73bee0), n)
   Exit: (229) [system] get_char((0x563acd73bee0), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _1774818)
   Call: (230) [system] peek_char((0x563acd73bee0), _1775752)
   Exit: (230) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _1774818=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (229) [system] _1760882=[n]
   Exit: (229) [system] [n]=[n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (228) [system] _1746946=[o, n]
   Exit: (228) [system] [o, n]=[o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (227) [system] _1733010=[i, o, n]
   Exit: (227) [system] [i, o, n]=[i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (226) [system] _1719074=[t, i, o, n]
   Exit: (226) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (225) [system] _1705138=[c, t, i, o, n]
   Exit: (225) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n])
   Call: (224) [system] _1691202=[u, c, t, i, o, n]
   Exit: (224) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, i, o, n])
   Call: (223) [system] _1677266=[d, u, c, t, i, o, n]
   Exit: (223) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, u, c, t, i, o, n])
   Call: (222) [system] _1663330=[o, d, u, c, t, i, o, n]
   Exit: (222) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, d, u, c, t, i, o, n])
   Call: (221) [system] _1649394=[r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1635458=[t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1621522=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1607586=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1593650=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1579714=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1565778=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _1551842=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1537906=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _1523970=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _1510034=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _1496098=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _1482162=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _1468226=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (207) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1432716)
^  Call: (208) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1846504)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_1847456, _1847458), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1846504), _1847438, fail)), '$restore_trace'(_1847456, _1847458))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_1847456, _1847458))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1846504), _1847438, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_1846504)
   Fail: (209) [system] atomic(_1846504)
   Call: (209) [system] atom_chars(_1846504, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (209) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (208) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
   Call: (208) [system] integer('ConjunctionIntroduction')
   Fail: (208) [system] integer('ConjunctionIntroduction')
   Call: (208) [system] _1432716='ConjunctionIntroduction'
   Exit: (208) [system] 'ConjunctionIntroduction'='ConjunctionIntroduction'
^  Exit: (207) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (206) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'ConjunctionIntroduction')
^  Exit: (205) [user] cont_sexpr(')', (0x563acd73bee0), 'ConjunctionIntroduction')
^  Call: (205) [user] read_list(')', (0x563acd73bee0), _1861454)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1863312)
   Exit: (207) [system] peek_char((0x563acd73bee0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
   Call: (207) [system] ' '=(/)
   Fail: (207) [system] ' '=(/)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x563acd73bee0), _1872906)
   Exit: (207) [system] get_char((0x563acd73bee0), ' ')
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1875610)
   Exit: (208) [system] peek_char((0x563acd73bee0), c)
   Call: (208) [system] c=(;)
   Fail: (208) [system] c=(;)
   Call: (208) [system] c=(/)
   Fail: (208) [system] c=(/)
^  Call: (208) [user] is_like_space(c)
   Call: (209) [system] char_type(c, 'white')
   Fail: (209) [system] char_type(c, 'white')
   Call: (209) [system] char_type(c, end_of_line)
   Fail: (209) [system] char_type(c, end_of_line)
   Call: (209) [system] char_type(c, space)
   Fail: (209) [system] char_type(c, space)
   Call: (209) [system] char_type(c, cntrl)
   Fail: (209) [system] char_type(c, cntrl)
^  Fail: (208) [user] is_like_space(c)
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1892544)
   Exit: (206) [system] peek_char((0x563acd73bee0), c)
   Call: (206) [system] c=')'
   Fail: (206) [system] c=')'
   Call: (206) [system] c=end_of_file
   Fail: (206) [system] c=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x563acd73bee0), _1898114)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1899972)
   Exit: (208) [system] peek_char((0x563acd73bee0), c)
   Call: (208) [system] c=(;)
   Fail: (208) [system] c=(;)
   Call: (208) [system] c=(/)
   Fail: (208) [system] c=(/)
^  Call: (208) [user] is_like_space(c)
   Call: (209) [system] char_type(c, 'white')
   Fail: (209) [system] char_type(c, 'white')
   Call: (209) [system] char_type(c, end_of_line)
   Fail: (209) [system] char_type(c, end_of_line)
   Call: (209) [system] char_type(c, space)
   Fail: (209) [system] char_type(c, space)
   Call: (209) [system] char_type(c, cntrl)
   Fail: (209) [system] char_type(c, cntrl)
^  Fail: (208) [user] is_like_space(c)
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] get_char((0x563acd73bee0), _1915982)
   Exit: (207) [system] get_char((0x563acd73bee0), c)
   Call: (207) [system] c='('
   Fail: (207) [system] c='('
   Call: (207) [system] c='['
   Fail: (207) [system] c='['
   Call: (207) [system] c='{'
   Fail: (207) [system] c='{'
   Call: (207) [system] c='"'
   Fail: (207) [system] c='"'
   Call: (207) [system] c=!
   Fail: (207) [system] c=!
   Call: (207) [system] c='\''
   Fail: (207) [system] c='\''
   Call: (207) [system] c='`'
   Fail: (207) [system] c='`'
   Call: (207) [system] c=end_of_file
   Fail: (207) [system] c=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x563acd73bee0), c, _1898114)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1933624)
   Call: (209) [system] peek_char((0x563acd73bee0), _1934558)
   Exit: (209) [system] peek_char((0x563acd73bee0), d)
^  Call: (209) [user] is_delimiter(d)
   Call: (210) [system] char_type(d, space)
   Fail: (210) [system] char_type(d, space)
   Call: (210) [system] arg(_1939278, v('(', ')', end_of_file), d)
   Fail: (210) [system] arg(_1940210, v('(', ')', end_of_file), d)
^  Fail: (209) [user] is_delimiter(d)
   Call: (209) [system] ')'==d
   Fail: (209) [system] ')'==d
   Call: (209) [system] get_char((0x563acd73bee0), d)
   Exit: (209) [system] get_char((0x563acd73bee0), d)
   Call: (209) [system] d=(\)
   Fail: (209) [system] d=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1947560)
   Call: (210) [system] peek_char((0x563acd73bee0), _1948494)
   Exit: (210) [system] peek_char((0x563acd73bee0), e)
^  Call: (210) [user] is_delimiter(e)
   Call: (211) [system] char_type(e, space)
   Fail: (211) [system] char_type(e, space)
   Call: (211) [system] arg(_1953214, v('(', ')', end_of_file), e)
   Fail: (211) [system] arg(_1954146, v('(', ')', end_of_file), e)
^  Fail: (210) [user] is_delimiter(e)
   Call: (210) [system] ')'==e
   Fail: (210) [system] ')'==e
   Call: (210) [system] get_char((0x563acd73bee0), e)
   Exit: (210) [system] get_char((0x563acd73bee0), e)
   Call: (210) [system] e=(\)
   Fail: (210) [system] e=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1961496)
   Call: (211) [system] peek_char((0x563acd73bee0), _1962430)
   Exit: (211) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _1961496=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (210) [system] _1947560=[e]
   Exit: (210) [system] [e]=[e]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [e])
   Call: (209) [system] _1933624=[d, e]
   Exit: (209) [system] [d, e]=[d, e]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, e])
^  Call: (208) [user] classify_and_convert_charseq([c, d, e], _1898114)
^  Call: (209) [user] classify_and_convert_charseq_([c, d, e], _1977302)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_1978254, _1978256), once(user:catch(read_from_chars([c, d, e], _1977302), _1978236, fail)), '$restore_trace'(_1978254, _1978256))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_1978254, _1978256))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1978236, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(cde)
   Exit: (210) [system] atomic(cde)
^  Exit: (209) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (209) [system] integer(cde)
   Fail: (209) [system] integer(cde)
   Call: (209) [system] _1898114=cde
   Exit: (209) [system] cde=cde
^  Exit: (208) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (207) [user] read_symbolic(')', (0x563acd73bee0), c, cde)
^  Exit: (206) [user] cont_sexpr(')', (0x563acd73bee0), cde)
^  Call: (206) [user] read_list(')', (0x563acd73bee0), _1990382)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1992240)
   Exit: (208) [system] peek_char((0x563acd73bee0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x563acd73bee0), _2001834)
   Exit: (208) [system] get_char((0x563acd73bee0), ' ')
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _2004538)
   Exit: (209) [system] peek_char((0x563acd73bee0), a)
   Call: (209) [system] a=(;)
   Fail: (209) [system] a=(;)
   Call: (209) [system] a=(/)
   Fail: (209) [system] a=(/)
^  Call: (209) [user] is_like_space(a)
   Call: (210) [system] char_type(a, 'white')
   Fail: (210) [system] char_type(a, 'white')
   Call: (210) [system] char_type(a, end_of_line)
   Fail: (210) [system] char_type(a, end_of_line)
   Call: (210) [system] char_type(a, space)
   Fail: (210) [system] char_type(a, space)
   Call: (210) [system] char_type(a, cntrl)
   Fail: (210) [system] char_type(a, cntrl)
^  Fail: (209) [user] is_like_space(a)
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _2021472)
   Exit: (207) [system] peek_char((0x563acd73bee0), a)
   Call: (207) [system] a=')'
   Fail: (207) [system] a=')'
   Call: (207) [system] a=end_of_file
   Fail: (207) [system] a=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x563acd73bee0), _2027042)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _2028900)
   Exit: (209) [system] peek_char((0x563acd73bee0), a)
   Call: (209) [system] a=(;)
   Fail: (209) [system] a=(;)
   Call: (209) [system] a=(/)
   Fail: (209) [system] a=(/)
^  Call: (209) [user] is_like_space(a)
   Call: (210) [system] char_type(a, 'white')
   Fail: (210) [system] char_type(a, 'white')
   Call: (210) [system] char_type(a, end_of_line)
   Fail: (210) [system] char_type(a, end_of_line)
   Call: (210) [system] char_type(a, space)
   Fail: (210) [system] char_type(a, space)
   Call: (210) [system] char_type(a, cntrl)
   Fail: (210) [system] char_type(a, cntrl)
^  Fail: (209) [user] is_like_space(a)
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] get_char((0x563acd73bee0), _2044910)
   Exit: (208) [system] get_char((0x563acd73bee0), a)
   Call: (208) [system] a='('
   Fail: (208) [system] a='('
   Call: (208) [system] a='['
   Fail: (208) [system] a='['
   Call: (208) [system] a='{'
   Fail: (208) [system] a='{'
   Call: (208) [system] a='"'
   Fail: (208) [system] a='"'
   Call: (208) [system] a=!
   Fail: (208) [system] a=!
   Call: (208) [system] a='\''
   Fail: (208) [system] a='\''
   Call: (208) [system] a='`'
   Fail: (208) [system] a='`'
   Call: (208) [system] a=end_of_file
   Fail: (208) [system] a=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x563acd73bee0), a, _2027042)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _2062552)
   Call: (210) [system] peek_char((0x563acd73bee0), _2063486)
   Exit: (210) [system] peek_char((0x563acd73bee0), ')')
^  Call: (210) [user] is_delimiter(')')
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] arg(_2068206, v('(', ')', end_of_file), ')')
   Exit: (211) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (210) [user] is_delimiter(')')
   Call: (210) [system] _2062552=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (209) [user] classify_and_convert_charseq([a], _2027042)
^  Call: (210) [user] classify_and_convert_charseq_([a], _2074642)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_2075594, _2075596), once(user:catch(read_from_chars([a], _2074642), _2075576, fail)), '$restore_trace'(_2075594, _2075596))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_2075594, _2075596))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _2075576, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(a)
   Exit: (211) [system] atomic(a)
^  Exit: (210) [user] classify_and_convert_charseq_([a], a)
   Call: (210) [system] integer(a)
   Fail: (210) [system] integer(a)
   Call: (210) [system] _2027042=a
   Exit: (210) [system] a=a
^  Exit: (209) [user] classify_and_convert_charseq([a], a)
^  Exit: (208) [user] read_symbolic(')', (0x563acd73bee0), a, a)
^  Exit: (207) [user] cont_sexpr(')', (0x563acd73bee0), a)
^  Call: (207) [user] read_list(')', (0x563acd73bee0), _2087722)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _2089580)
   Exit: (209) [system] peek_char((0x563acd73bee0), ')')
   Call: (209) [system] ')'=(;)
   Fail: (209) [system] ')'=(;)
   Call: (209) [system] ')'=(/)
   Fail: (209) [system] ')'=(/)
^  Call: (209) [user] is_like_space(')')
   Call: (210) [system] char_type(')', 'white')
   Fail: (210) [system] char_type(')', 'white')
   Call: (210) [system] char_type(')', end_of_line)
   Fail: (210) [system] char_type(')', end_of_line)
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] char_type(')', cntrl)
   Fail: (210) [system] char_type(')', cntrl)
^  Fail: (209) [user] is_like_space(')')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _13368)
   Exit: (208) [system] peek_char((0x563acd73bee0), ')')
   Call: (208) [system] ')'=')'
   Exit: (208) [system] ')'=')'
   Call: (208) [system] get_char((0x563acd73bee0), _17158)
   Exit: (208) [system] get_char((0x563acd73bee0), ')')
   Call: (208) [system] _4468=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_list(')', (0x563acd73bee0), [])
   Call: (207) [system] _4462=[a]
   Exit: (207) [system] [a]=[a]
^  Exit: (206) [user] read_list(')', (0x563acd73bee0), [a])
   Call: (206) [system] _4456=[cde, a]
   Exit: (206) [system] [cde, a]=[cde, a]
^  Exit: (205) [user] read_list(')', (0x563acd73bee0), [cde, a])
   Call: (205) [system] _4448=['ConjunctionIntroduction', cde, a]
   Exit: (205) [system] ['ConjunctionIntroduction', cde, a]=['ConjunctionIntroduction', cde, a]
^  Exit: (204) [user] read_list(')', (0x563acd73bee0), ['ConjunctionIntroduction', cde, a])
^  Exit: (203) [user] cont_sexpr(')', (0x563acd73bee0), ['ConjunctionIntroduction', cde, a])
^  Call: (203) [user] read_list(')', (0x563acd73bee0), _31040)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _32898)
   Exit: (205) [system] peek_char((0x563acd73bee0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x563acd73bee0), _42492)
   Exit: (205) [system] get_char((0x563acd73bee0), ' ')
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _45196)
   Exit: (206) [system] peek_char((0x563acd73bee0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _62130)
   Exit: (204) [system] peek_char((0x563acd73bee0), '(')
   Call: (204) [system] '('=')'
   Fail: (204) [system] '('=')'
   Call: (204) [system] '('=end_of_file
   Fail: (204) [system] '('=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x563acd73bee0), _67700)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _69558)
   Exit: (206) [system] peek_char((0x563acd73bee0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] get_char((0x563acd73bee0), _85568)
   Exit: (205) [system] get_char((0x563acd73bee0), '(')
   Call: (205) [system] '('='('
   Exit: (205) [system] '('='('
^  Call: (205) [user] read_list(')', (0x563acd73bee0), _67700)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _91138)
   Exit: (207) [system] peek_char((0x563acd73bee0), 'A')
   Call: (207) [system] 'A'=(;)
   Fail: (207) [system] 'A'=(;)
   Call: (207) [system] 'A'=(/)
   Fail: (207) [system] 'A'=(/)
^  Call: (207) [user] is_like_space('A')
   Call: (208) [system] char_type('A', 'white')
   Fail: (208) [system] char_type('A', 'white')
   Call: (208) [system] char_type('A', end_of_line)
   Fail: (208) [system] char_type('A', end_of_line)
   Call: (208) [system] char_type('A', space)
   Fail: (208) [system] char_type('A', space)
   Call: (208) [system] char_type('A', cntrl)
   Fail: (208) [system] char_type('A', cntrl)
^  Fail: (207) [user] is_like_space('A')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _107148)
   Exit: (206) [system] peek_char((0x563acd73bee0), 'A')
   Call: (206) [system] 'A'=')'
   Fail: (206) [system] 'A'=')'
   Call: (206) [system] 'A'=end_of_file
   Fail: (206) [system] 'A'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x563acd73bee0), _112718)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _114576)
   Exit: (208) [system] peek_char((0x563acd73bee0), 'A')
   Call: (208) [system] 'A'=(;)
   Fail: (208) [system] 'A'=(;)
   Call: (208) [system] 'A'=(/)
   Fail: (208) [system] 'A'=(/)
^  Call: (208) [user] is_like_space('A')
   Call: (209) [system] char_type('A', 'white')
   Fail: (209) [system] char_type('A', 'white')
   Call: (209) [system] char_type('A', end_of_line)
   Fail: (209) [system] char_type('A', end_of_line)
   Call: (209) [system] char_type('A', space)
   Fail: (209) [system] char_type('A', space)
   Call: (209) [system] char_type('A', cntrl)
   Fail: (209) [system] char_type('A', cntrl)
^  Fail: (208) [user] is_like_space('A')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] get_char((0x563acd73bee0), _130586)
   Exit: (207) [system] get_char((0x563acd73bee0), 'A')
   Call: (207) [system] 'A'='('
   Fail: (207) [system] 'A'='('
   Call: (207) [system] 'A'='['
   Fail: (207) [system] 'A'='['
   Call: (207) [system] 'A'='{'
   Fail: (207) [system] 'A'='{'
   Call: (207) [system] 'A'='"'
   Fail: (207) [system] 'A'='"'
   Call: (207) [system] 'A'=!
   Fail: (207) [system] 'A'=!
   Call: (207) [system] 'A'='\''
   Fail: (207) [system] 'A'='\''
   Call: (207) [system] 'A'='`'
   Fail: (207) [system] 'A'='`'
   Call: (207) [system] 'A'=end_of_file
   Fail: (207) [system] 'A'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x563acd73bee0), 'A', _112718)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _148228)
   Call: (209) [system] peek_char((0x563acd73bee0), _149162)
   Exit: (209) [system] peek_char((0x563acd73bee0), n)
^  Call: (209) [user] is_delimiter(n)
   Call: (210) [system] char_type(n, space)
   Fail: (210) [system] char_type(n, space)
   Call: (210) [system] arg(_153882, v('(', ')', end_of_file), n)
   Fail: (210) [system] arg(_154814, v('(', ')', end_of_file), n)
^  Fail: (209) [user] is_delimiter(n)
   Call: (209) [system] ')'==n
   Fail: (209) [system] ')'==n
   Call: (209) [system] get_char((0x563acd73bee0), n)
   Exit: (209) [system] get_char((0x563acd73bee0), n)
   Call: (209) [system] n=(\)
   Fail: (209) [system] n=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _162164)
   Call: (210) [system] peek_char((0x563acd73bee0), _163098)
   Exit: (210) [system] peek_char((0x563acd73bee0), d)
^  Call: (210) [user] is_delimiter(d)
   Call: (211) [system] char_type(d, space)
   Fail: (211) [system] char_type(d, space)
   Call: (211) [system] arg(_167818, v('(', ')', end_of_file), d)
   Fail: (211) [system] arg(_168750, v('(', ')', end_of_file), d)
^  Fail: (210) [user] is_delimiter(d)
   Call: (210) [system] ')'==d
   Fail: (210) [system] ')'==d
   Call: (210) [system] get_char((0x563acd73bee0), d)
   Exit: (210) [system] get_char((0x563acd73bee0), d)
   Call: (210) [system] d=(\)
   Fail: (210) [system] d=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _176100)
   Call: (211) [system] peek_char((0x563acd73bee0), _177034)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (211) [user] is_delimiter('L')
   Call: (212) [system] char_type('L', space)
   Fail: (212) [system] char_type('L', space)
   Call: (212) [system] arg(_181754, v('(', ')', end_of_file), 'L')
   Fail: (212) [system] arg(_182686, v('(', ')', end_of_file), 'L')
^  Fail: (211) [user] is_delimiter('L')
   Call: (211) [system] ')'=='L'
   Fail: (211) [system] ')'=='L'
   Call: (211) [system] get_char((0x563acd73bee0), 'L')
   Exit: (211) [system] get_char((0x563acd73bee0), 'L')
   Call: (211) [system] 'L'=(\)
   Fail: (211) [system] 'L'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _190036)
   Call: (212) [system] peek_char((0x563acd73bee0), _190970)
   Exit: (212) [system] peek_char((0x563acd73bee0), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_195690, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_196622, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x563acd73bee0), i)
   Exit: (212) [system] get_char((0x563acd73bee0), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _203972)
   Call: (213) [system] peek_char((0x563acd73bee0), _204906)
   Exit: (213) [system] peek_char((0x563acd73bee0), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_209626, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_210558, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x563acd73bee0), n)
   Exit: (213) [system] get_char((0x563acd73bee0), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _217908)
   Call: (214) [system] peek_char((0x563acd73bee0), _218842)
   Exit: (214) [system] peek_char((0x563acd73bee0), k)
^  Call: (214) [user] is_delimiter(k)
   Call: (215) [system] char_type(k, space)
   Fail: (215) [system] char_type(k, space)
   Call: (215) [system] arg(_223562, v('(', ')', end_of_file), k)
   Fail: (215) [system] arg(_224494, v('(', ')', end_of_file), k)
^  Fail: (214) [user] is_delimiter(k)
   Call: (214) [system] ')'==k
   Fail: (214) [system] ')'==k
   Call: (214) [system] get_char((0x563acd73bee0), k)
   Exit: (214) [system] get_char((0x563acd73bee0), k)
   Call: (214) [system] k=(\)
   Fail: (214) [system] k=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _231844)
   Call: (215) [system] peek_char((0x563acd73bee0), _232778)
   Exit: (215) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _231844=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (214) [system] _217908=[k]
   Exit: (214) [system] [k]=[k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (213) [system] _203972=[n, k]
   Exit: (213) [system] [n, k]=[n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (212) [system] _190036=[i, n, k]
   Exit: (212) [system] [i, n, k]=[i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (211) [system] _176100=['L', i, n, k]
   Exit: (211) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (210) [system] _162164=[d, 'L', i, n, k]
   Exit: (210) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, 'L', i, n, k])
   Call: (209) [system] _148228=[n, d, 'L', i, n, k]
   Exit: (209) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, d, 'L', i, n, k])
^  Call: (208) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _112718)
^  Call: (209) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _258826)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_259778, _259780), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _258826), _259760, fail)), '$restore_trace'(_259778, _259780))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_259778, _259780))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _258826), _259760, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_258826)
   Fail: (210) [system] atomic(_258826)
   Call: (210) [system] atom_chars(_258826, ['A', n, d, 'L', i, n, k])
   Exit: (210) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (209) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (209) [system] integer('AndLink')
   Fail: (209) [system] integer('AndLink')
   Call: (209) [system] _112718='AndLink'
   Exit: (209) [system] 'AndLink'='AndLink'
^  Exit: (208) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (207) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'AndLink')
^  Exit: (206) [user] cont_sexpr(')', (0x563acd73bee0), 'AndLink')
^  Call: (206) [user] read_list(')', (0x563acd73bee0), _273776)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _275634)
   Exit: (208) [system] peek_char((0x563acd73bee0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x563acd73bee0), _285228)
   Exit: (208) [system] get_char((0x563acd73bee0), ' ')
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _287932)
   Exit: (209) [system] peek_char((0x563acd73bee0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _304866)
   Exit: (207) [system] peek_char((0x563acd73bee0), '(')
   Call: (207) [system] '('=')'
   Fail: (207) [system] '('=')'
   Call: (207) [system] '('=end_of_file
   Fail: (207) [system] '('=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x563acd73bee0), _310436)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _312294)
   Exit: (209) [system] peek_char((0x563acd73bee0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] get_char((0x563acd73bee0), _328304)
   Exit: (208) [system] get_char((0x563acd73bee0), '(')
   Call: (208) [system] '('='('
   Exit: (208) [system] '('='('
^  Call: (208) [user] read_list(')', (0x563acd73bee0), _310436)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _333874)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'I')
   Call: (210) [system] 'I'=(;)
   Fail: (210) [system] 'I'=(;)
   Call: (210) [system] 'I'=(/)
   Fail: (210) [system] 'I'=(/)
^  Call: (210) [user] is_like_space('I')
   Call: (211) [system] char_type('I', 'white')
   Fail: (211) [system] char_type('I', 'white')
   Call: (211) [system] char_type('I', end_of_line)
   Fail: (211) [system] char_type('I', end_of_line)
   Call: (211) [system] char_type('I', space)
   Fail: (211) [system] char_type('I', space)
   Call: (211) [system] char_type('I', cntrl)
   Fail: (211) [system] char_type('I', cntrl)
^  Fail: (210) [user] is_like_space('I')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _349884)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'I')
   Call: (209) [system] 'I'=')'
   Fail: (209) [system] 'I'=')'
   Call: (209) [system] 'I'=end_of_file
   Fail: (209) [system] 'I'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x563acd73bee0), _355454)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _357312)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'I')
   Call: (211) [system] 'I'=(;)
   Fail: (211) [system] 'I'=(;)
   Call: (211) [system] 'I'=(/)
   Fail: (211) [system] 'I'=(/)
^  Call: (211) [user] is_like_space('I')
   Call: (212) [system] char_type('I', 'white')
   Fail: (212) [system] char_type('I', 'white')
   Call: (212) [system] char_type('I', end_of_line)
   Fail: (212) [system] char_type('I', end_of_line)
   Call: (212) [system] char_type('I', space)
   Fail: (212) [system] char_type('I', space)
   Call: (212) [system] char_type('I', cntrl)
   Fail: (212) [system] char_type('I', cntrl)
^  Fail: (211) [user] is_like_space('I')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] get_char((0x563acd73bee0), _373322)
   Exit: (210) [system] get_char((0x563acd73bee0), 'I')
   Call: (210) [system] 'I'='('
   Fail: (210) [system] 'I'='('
   Call: (210) [system] 'I'='['
   Fail: (210) [system] 'I'='['
   Call: (210) [system] 'I'='{'
   Fail: (210) [system] 'I'='{'
   Call: (210) [system] 'I'='"'
   Fail: (210) [system] 'I'='"'
   Call: (210) [system] 'I'=!
   Fail: (210) [system] 'I'=!
   Call: (210) [system] 'I'='\''
   Fail: (210) [system] 'I'='\''
   Call: (210) [system] 'I'='`'
   Fail: (210) [system] 'I'='`'
   Call: (210) [system] 'I'=end_of_file
   Fail: (210) [system] 'I'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x563acd73bee0), 'I', _355454)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _390964)
   Call: (212) [system] peek_char((0x563acd73bee0), _391898)
   Exit: (212) [system] peek_char((0x563acd73bee0), m)
^  Call: (212) [user] is_delimiter(m)
   Call: (213) [system] char_type(m, space)
   Fail: (213) [system] char_type(m, space)
   Call: (213) [system] arg(_396618, v('(', ')', end_of_file), m)
   Fail: (213) [system] arg(_397550, v('(', ')', end_of_file), m)
^  Fail: (212) [user] is_delimiter(m)
   Call: (212) [system] ')'==m
   Fail: (212) [system] ')'==m
   Call: (212) [system] get_char((0x563acd73bee0), m)
   Exit: (212) [system] get_char((0x563acd73bee0), m)
   Call: (212) [system] m=(\)
   Fail: (212) [system] m=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _404900)
   Call: (213) [system] peek_char((0x563acd73bee0), _405834)
   Exit: (213) [system] peek_char((0x563acd73bee0), p)
^  Call: (213) [user] is_delimiter(p)
   Call: (214) [system] char_type(p, space)
   Fail: (214) [system] char_type(p, space)
   Call: (214) [system] arg(_410554, v('(', ')', end_of_file), p)
   Fail: (214) [system] arg(_411486, v('(', ')', end_of_file), p)
^  Fail: (213) [user] is_delimiter(p)
   Call: (213) [system] ')'==p
   Fail: (213) [system] ')'==p
   Call: (213) [system] get_char((0x563acd73bee0), p)
   Exit: (213) [system] get_char((0x563acd73bee0), p)
   Call: (213) [system] p=(\)
   Fail: (213) [system] p=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _418836)
   Call: (214) [system] peek_char((0x563acd73bee0), _419770)
   Exit: (214) [system] peek_char((0x563acd73bee0), l)
^  Call: (214) [user] is_delimiter(l)
   Call: (215) [system] char_type(l, space)
   Fail: (215) [system] char_type(l, space)
   Call: (215) [system] arg(_424490, v('(', ')', end_of_file), l)
   Fail: (215) [system] arg(_425422, v('(', ')', end_of_file), l)
^  Fail: (214) [user] is_delimiter(l)
   Call: (214) [system] ')'==l
   Fail: (214) [system] ')'==l
   Call: (214) [system] get_char((0x563acd73bee0), l)
   Exit: (214) [system] get_char((0x563acd73bee0), l)
   Call: (214) [system] l=(\)
   Fail: (214) [system] l=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _432772)
   Call: (215) [system] peek_char((0x563acd73bee0), _433706)
   Exit: (215) [system] peek_char((0x563acd73bee0), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Fail: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_438426, v('(', ')', end_of_file), i)
   Fail: (216) [system] arg(_439358, v('(', ')', end_of_file), i)
^  Fail: (215) [user] is_delimiter(i)
   Call: (215) [system] ')'==i
   Fail: (215) [system] ')'==i
   Call: (215) [system] get_char((0x563acd73bee0), i)
   Exit: (215) [system] get_char((0x563acd73bee0), i)
   Call: (215) [system] i=(\)
   Fail: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _446708)
   Call: (216) [system] peek_char((0x563acd73bee0), _447642)
   Exit: (216) [system] peek_char((0x563acd73bee0), c)
^  Call: (216) [user] is_delimiter(c)
   Call: (217) [system] char_type(c, space)
   Fail: (217) [system] char_type(c, space)
   Call: (217) [system] arg(_452362, v('(', ')', end_of_file), c)
   Fail: (217) [system] arg(_453294, v('(', ')', end_of_file), c)
^  Fail: (216) [user] is_delimiter(c)
   Call: (216) [system] ')'==c
   Fail: (216) [system] ')'==c
   Call: (216) [system] get_char((0x563acd73bee0), c)
   Exit: (216) [system] get_char((0x563acd73bee0), c)
   Call: (216) [system] c=(\)
   Fail: (216) [system] c=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _460644)
   Call: (217) [system] peek_char((0x563acd73bee0), _461578)
   Exit: (217) [system] peek_char((0x563acd73bee0), a)
^  Call: (217) [user] is_delimiter(a)
   Call: (218) [system] char_type(a, space)
   Fail: (218) [system] char_type(a, space)
   Call: (218) [system] arg(_466298, v('(', ')', end_of_file), a)
   Fail: (218) [system] arg(_467230, v('(', ')', end_of_file), a)
^  Fail: (217) [user] is_delimiter(a)
   Call: (217) [system] ')'==a
   Fail: (217) [system] ')'==a
   Call: (217) [system] get_char((0x563acd73bee0), a)
   Exit: (217) [system] get_char((0x563acd73bee0), a)
   Call: (217) [system] a=(\)
   Fail: (217) [system] a=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _474580)
   Call: (218) [system] peek_char((0x563acd73bee0), _475514)
   Exit: (218) [system] peek_char((0x563acd73bee0), t)
^  Call: (218) [user] is_delimiter(t)
   Call: (219) [system] char_type(t, space)
   Fail: (219) [system] char_type(t, space)
   Call: (219) [system] arg(_480234, v('(', ')', end_of_file), t)
   Fail: (219) [system] arg(_481166, v('(', ')', end_of_file), t)
^  Fail: (218) [user] is_delimiter(t)
   Call: (218) [system] ')'==t
   Fail: (218) [system] ')'==t
   Call: (218) [system] get_char((0x563acd73bee0), t)
   Exit: (218) [system] get_char((0x563acd73bee0), t)
   Call: (218) [system] t=(\)
   Fail: (218) [system] t=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _488516)
   Call: (219) [system] peek_char((0x563acd73bee0), _489450)
   Exit: (219) [system] peek_char((0x563acd73bee0), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Fail: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_494170, v('(', ')', end_of_file), i)
   Fail: (220) [system] arg(_495102, v('(', ')', end_of_file), i)
^  Fail: (219) [user] is_delimiter(i)
   Call: (219) [system] ')'==i
   Fail: (219) [system] ')'==i
   Call: (219) [system] get_char((0x563acd73bee0), i)
   Exit: (219) [system] get_char((0x563acd73bee0), i)
   Call: (219) [system] i=(\)
   Fail: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _502452)
   Call: (220) [system] peek_char((0x563acd73bee0), _503386)
   Exit: (220) [system] peek_char((0x563acd73bee0), o)
^  Call: (220) [user] is_delimiter(o)
   Call: (221) [system] char_type(o, space)
   Fail: (221) [system] char_type(o, space)
   Call: (221) [system] arg(_508106, v('(', ')', end_of_file), o)
   Fail: (221) [system] arg(_509038, v('(', ')', end_of_file), o)
^  Fail: (220) [user] is_delimiter(o)
   Call: (220) [system] ')'==o
   Fail: (220) [system] ')'==o
   Call: (220) [system] get_char((0x563acd73bee0), o)
   Exit: (220) [system] get_char((0x563acd73bee0), o)
   Call: (220) [system] o=(\)
   Fail: (220) [system] o=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _516388)
   Call: (221) [system] peek_char((0x563acd73bee0), _517322)
   Exit: (221) [system] peek_char((0x563acd73bee0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_522042, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_522974, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x563acd73bee0), n)
   Exit: (221) [system] get_char((0x563acd73bee0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _530324)
   Call: (222) [system] peek_char((0x563acd73bee0), _531258)
   Exit: (222) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _530324=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (221) [system] _516388=[n]
   Exit: (221) [system] [n]=[n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (220) [system] _502452=[o, n]
   Exit: (220) [system] [o, n]=[o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (219) [system] _488516=[i, o, n]
   Exit: (219) [system] [i, o, n]=[i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (218) [system] _474580=[t, i, o, n]
   Exit: (218) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (217) [system] _460644=[a, t, i, o, n]
   Exit: (217) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (216) [system] _446708=[c, a, t, i, o, n]
   Exit: (216) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (215) [system] _432772=[i, c, a, t, i, o, n]
   Exit: (215) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (214) [system] _418836=[l, i, c, a, t, i, o, n]
   Exit: (214) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (213) [system] _404900=[p, l, i, c, a, t, i, o, n]
   Exit: (213) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (212) [system] _390964=[m, p, l, i, c, a, t, i, o, n]
   Exit: (212) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (211) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _355454)
^  Call: (212) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _568482)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_569434, _569436), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _568482), _569416, fail)), '$restore_trace'(_569434, _569436))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_569434, _569436))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _568482), _569416, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_568482)
   Fail: (213) [system] atomic(_568482)
   Call: (213) [system] atom_chars(_568482, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (213) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (212) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (212) [system] integer('Implication')
   Fail: (212) [system] integer('Implication')
   Call: (212) [system] _355454='Implication'
   Exit: (212) [system] 'Implication'='Implication'
^  Exit: (211) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (210) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (209) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (209) [user] read_list(')', (0x563acd73bee0), _583432)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _585290)
   Exit: (211) [system] peek_char((0x563acd73bee0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x563acd73bee0), _594884)
   Exit: (211) [system] get_char((0x563acd73bee0), ' ')
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _597588)
   Exit: (212) [system] peek_char((0x563acd73bee0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _614522)
   Exit: (210) [system] peek_char((0x563acd73bee0), '(')
   Call: (210) [system] '('=')'
   Fail: (210) [system] '('=')'
   Call: (210) [system] '('=end_of_file
   Fail: (210) [system] '('=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x563acd73bee0), _620092)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _621950)
   Exit: (212) [system] peek_char((0x563acd73bee0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] get_char((0x563acd73bee0), _637960)
   Exit: (211) [system] get_char((0x563acd73bee0), '(')
   Call: (211) [system] '('='('
   Exit: (211) [system] '('='('
^  Call: (211) [user] read_list(')', (0x563acd73bee0), _620092)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _643530)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'O')
   Call: (213) [system] 'O'=(;)
   Fail: (213) [system] 'O'=(;)
   Call: (213) [system] 'O'=(/)
   Fail: (213) [system] 'O'=(/)
^  Call: (213) [user] is_like_space('O')
   Call: (214) [system] char_type('O', 'white')
   Fail: (214) [system] char_type('O', 'white')
   Call: (214) [system] char_type('O', end_of_line)
   Fail: (214) [system] char_type('O', end_of_line)
   Call: (214) [system] char_type('O', space)
   Fail: (214) [system] char_type('O', space)
   Call: (214) [system] char_type('O', cntrl)
   Fail: (214) [system] char_type('O', cntrl)
^  Fail: (213) [user] is_like_space('O')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _659540)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'O')
   Call: (212) [system] 'O'=')'
   Fail: (212) [system] 'O'=')'
   Call: (212) [system] 'O'=end_of_file
   Fail: (212) [system] 'O'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x563acd73bee0), _665110)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _666968)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'O')
   Call: (214) [system] 'O'=(;)
   Fail: (214) [system] 'O'=(;)
   Call: (214) [system] 'O'=(/)
   Fail: (214) [system] 'O'=(/)
^  Call: (214) [user] is_like_space('O')
   Call: (215) [system] char_type('O', 'white')
   Fail: (215) [system] char_type('O', 'white')
   Call: (215) [system] char_type('O', end_of_line)
   Fail: (215) [system] char_type('O', end_of_line)
   Call: (215) [system] char_type('O', space)
   Fail: (215) [system] char_type('O', space)
   Call: (215) [system] char_type('O', cntrl)
   Fail: (215) [system] char_type('O', cntrl)
^  Fail: (214) [user] is_like_space('O')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] get_char((0x563acd73bee0), _682978)
   Exit: (213) [system] get_char((0x563acd73bee0), 'O')
   Call: (213) [system] 'O'='('
   Fail: (213) [system] 'O'='('
   Call: (213) [system] 'O'='['
   Fail: (213) [system] 'O'='['
   Call: (213) [system] 'O'='{'
   Fail: (213) [system] 'O'='{'
   Call: (213) [system] 'O'='"'
   Fail: (213) [system] 'O'='"'
   Call: (213) [system] 'O'=!
   Fail: (213) [system] 'O'=!
   Call: (213) [system] 'O'='\''
   Fail: (213) [system] 'O'='\''
   Call: (213) [system] 'O'='`'
   Fail: (213) [system] 'O'='`'
   Call: (213) [system] 'O'=end_of_file
   Fail: (213) [system] 'O'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x563acd73bee0), 'O', _665110)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _700620)
   Call: (215) [system] peek_char((0x563acd73bee0), _701554)
   Exit: (215) [system] peek_char((0x563acd73bee0), r)
^  Call: (215) [user] is_delimiter(r)
   Call: (216) [system] char_type(r, space)
   Fail: (216) [system] char_type(r, space)
   Call: (216) [system] arg(_706274, v('(', ')', end_of_file), r)
   Fail: (216) [system] arg(_707206, v('(', ')', end_of_file), r)
^  Fail: (215) [user] is_delimiter(r)
   Call: (215) [system] ')'==r
   Fail: (215) [system] ')'==r
   Call: (215) [system] get_char((0x563acd73bee0), r)
   Exit: (215) [system] get_char((0x563acd73bee0), r)
   Call: (215) [system] r=(\)
   Fail: (215) [system] r=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _714556)
   Call: (216) [system] peek_char((0x563acd73bee0), _715490)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (216) [user] is_delimiter('L')
   Call: (217) [system] char_type('L', space)
   Fail: (217) [system] char_type('L', space)
   Call: (217) [system] arg(_720210, v('(', ')', end_of_file), 'L')
   Fail: (217) [system] arg(_721142, v('(', ')', end_of_file), 'L')
^  Fail: (216) [user] is_delimiter('L')
   Call: (216) [system] ')'=='L'
   Fail: (216) [system] ')'=='L'
   Call: (216) [system] get_char((0x563acd73bee0), 'L')
   Exit: (216) [system] get_char((0x563acd73bee0), 'L')
   Call: (216) [system] 'L'=(\)
   Fail: (216) [system] 'L'=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _728492)
   Call: (217) [system] peek_char((0x563acd73bee0), _729426)
   Exit: (217) [system] peek_char((0x563acd73bee0), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_734146, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_735078, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x563acd73bee0), i)
   Exit: (217) [system] get_char((0x563acd73bee0), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _742428)
   Call: (218) [system] peek_char((0x563acd73bee0), _743362)
   Exit: (218) [system] peek_char((0x563acd73bee0), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_748082, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_749014, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x563acd73bee0), n)
   Exit: (218) [system] get_char((0x563acd73bee0), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _756364)
   Call: (219) [system] peek_char((0x563acd73bee0), _757298)
   Exit: (219) [system] peek_char((0x563acd73bee0), k)
^  Call: (219) [user] is_delimiter(k)
   Call: (220) [system] char_type(k, space)
   Fail: (220) [system] char_type(k, space)
   Call: (220) [system] arg(_762018, v('(', ')', end_of_file), k)
   Fail: (220) [system] arg(_762950, v('(', ')', end_of_file), k)
^  Fail: (219) [user] is_delimiter(k)
   Call: (219) [system] ')'==k
   Fail: (219) [system] ')'==k
   Call: (219) [system] get_char((0x563acd73bee0), k)
   Exit: (219) [system] get_char((0x563acd73bee0), k)
   Call: (219) [system] k=(\)
   Fail: (219) [system] k=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _770300)
   Call: (220) [system] peek_char((0x563acd73bee0), _771234)
   Exit: (220) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _770300=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (219) [system] _756364=[k]
   Exit: (219) [system] [k]=[k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (218) [system] _742428=[n, k]
   Exit: (218) [system] [n, k]=[n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (217) [system] _728492=[i, n, k]
   Exit: (217) [system] [i, n, k]=[i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (216) [system] _714556=['L', i, n, k]
   Exit: (216) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (215) [system] _700620=[r, 'L', i, n, k]
   Exit: (215) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (214) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _665110)
^  Call: (215) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _794488)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_795440, _795442), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _794488), _795422, fail)), '$restore_trace'(_795440, _795442))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_795440, _795442))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _794488), _795422, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_794488)
   Fail: (216) [system] atomic(_794488)
   Call: (216) [system] atom_chars(_794488, ['O', r, 'L', i, n, k])
   Exit: (216) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (215) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (215) [system] integer('OrLink')
   Fail: (215) [system] integer('OrLink')
   Call: (215) [system] _665110='OrLink'
   Exit: (215) [system] 'OrLink'='OrLink'
^  Exit: (214) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (213) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (212) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (212) [user] read_list(')', (0x563acd73bee0), _809438)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _811296)
   Exit: (214) [system] peek_char((0x563acd73bee0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x563acd73bee0), _820890)
   Exit: (214) [system] get_char((0x563acd73bee0), ' ')
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _823594)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'C')
   Call: (215) [system] 'C'=(;)
   Fail: (215) [system] 'C'=(;)
   Call: (215) [system] 'C'=(/)
   Fail: (215) [system] 'C'=(/)
^  Call: (215) [user] is_like_space('C')
   Call: (216) [system] char_type('C', 'white')
   Fail: (216) [system] char_type('C', 'white')
   Call: (216) [system] char_type('C', end_of_line)
   Fail: (216) [system] char_type('C', end_of_line)
   Call: (216) [system] char_type('C', space)
   Fail: (216) [system] char_type('C', space)
   Call: (216) [system] char_type('C', cntrl)
   Fail: (216) [system] char_type('C', cntrl)
^  Fail: (215) [user] is_like_space('C')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _840528)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'C')
   Call: (213) [system] 'C'=')'
   Fail: (213) [system] 'C'=')'
   Call: (213) [system] 'C'=end_of_file
   Fail: (213) [system] 'C'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x563acd73bee0), _846098)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _847956)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'C')
   Call: (215) [system] 'C'=(;)
   Fail: (215) [system] 'C'=(;)
   Call: (215) [system] 'C'=(/)
   Fail: (215) [system] 'C'=(/)
^  Call: (215) [user] is_like_space('C')
   Call: (216) [system] char_type('C', 'white')
   Fail: (216) [system] char_type('C', 'white')
   Call: (216) [system] char_type('C', end_of_line)
   Fail: (216) [system] char_type('C', end_of_line)
   Call: (216) [system] char_type('C', space)
   Fail: (216) [system] char_type('C', space)
   Call: (216) [system] char_type('C', cntrl)
   Fail: (216) [system] char_type('C', cntrl)
^  Fail: (215) [user] is_like_space('C')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] get_char((0x563acd73bee0), _863966)
   Exit: (214) [system] get_char((0x563acd73bee0), 'C')
   Call: (214) [system] 'C'='('
   Fail: (214) [system] 'C'='('
   Call: (214) [system] 'C'='['
   Fail: (214) [system] 'C'='['
   Call: (214) [system] 'C'='{'
   Fail: (214) [system] 'C'='{'
   Call: (214) [system] 'C'='"'
   Fail: (214) [system] 'C'='"'
   Call: (214) [system] 'C'=!
   Fail: (214) [system] 'C'=!
   Call: (214) [system] 'C'='\''
   Fail: (214) [system] 'C'='\''
   Call: (214) [system] 'C'='`'
   Fail: (214) [system] 'C'='`'
   Call: (214) [system] 'C'=end_of_file
   Fail: (214) [system] 'C'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x563acd73bee0), 'C', _846098)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _881608)
   Call: (216) [system] peek_char((0x563acd73bee0), _882542)
   Exit: (216) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _881608=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (215) [user] classify_and_convert_charseq(['C'], _846098)
^  Call: (216) [user] classify_and_convert_charseq_(['C'], _891826)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_892778, _892780), once(user:catch(read_from_chars(['C'], _891826), _892760, fail)), '$restore_trace'(_892778, _892780))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_892778, _892780))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _891826), _892760, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_891826)
   Fail: (217) [system] atomic(_891826)
   Call: (217) [system] atom_chars(_891826, ['C'])
   Exit: (217) [system] atom_chars('C', ['C'])
^  Exit: (216) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (216) [system] integer('C')
   Fail: (216) [system] integer('C')
   Call: (216) [system] _846098='C'
   Exit: (216) [system] 'C'='C'
^  Exit: (215) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (214) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (213) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (213) [user] read_list(')', (0x563acd73bee0), _906776)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _908634)
   Exit: (215) [system] peek_char((0x563acd73bee0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x563acd73bee0), _918228)
   Exit: (215) [system] get_char((0x563acd73bee0), ' ')
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _920932)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'D')
   Call: (216) [system] 'D'=(;)
   Fail: (216) [system] 'D'=(;)
   Call: (216) [system] 'D'=(/)
   Fail: (216) [system] 'D'=(/)
^  Call: (216) [user] is_like_space('D')
   Call: (217) [system] char_type('D', 'white')
   Fail: (217) [system] char_type('D', 'white')
   Call: (217) [system] char_type('D', end_of_line)
   Fail: (217) [system] char_type('D', end_of_line)
   Call: (217) [system] char_type('D', space)
   Fail: (217) [system] char_type('D', space)
   Call: (217) [system] char_type('D', cntrl)
   Fail: (217) [system] char_type('D', cntrl)
^  Fail: (216) [user] is_like_space('D')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _937866)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'D')
   Call: (214) [system] 'D'=')'
   Fail: (214) [system] 'D'=')'
   Call: (214) [system] 'D'=end_of_file
   Fail: (214) [system] 'D'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x563acd73bee0), _943436)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _945294)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'D')
   Call: (216) [system] 'D'=(;)
   Fail: (216) [system] 'D'=(;)
   Call: (216) [system] 'D'=(/)
   Fail: (216) [system] 'D'=(/)
^  Call: (216) [user] is_like_space('D')
   Call: (217) [system] char_type('D', 'white')
   Fail: (217) [system] char_type('D', 'white')
   Call: (217) [system] char_type('D', end_of_line)
   Fail: (217) [system] char_type('D', end_of_line)
   Call: (217) [system] char_type('D', space)
   Fail: (217) [system] char_type('D', space)
   Call: (217) [system] char_type('D', cntrl)
   Fail: (217) [system] char_type('D', cntrl)
^  Fail: (216) [user] is_like_space('D')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] get_char((0x563acd73bee0), _961304)
   Exit: (215) [system] get_char((0x563acd73bee0), 'D')
   Call: (215) [system] 'D'='('
   Fail: (215) [system] 'D'='('
   Call: (215) [system] 'D'='['
   Fail: (215) [system] 'D'='['
   Call: (215) [system] 'D'='{'
   Fail: (215) [system] 'D'='{'
   Call: (215) [system] 'D'='"'
   Fail: (215) [system] 'D'='"'
   Call: (215) [system] 'D'=!
   Fail: (215) [system] 'D'=!
   Call: (215) [system] 'D'='\''
   Fail: (215) [system] 'D'='\''
   Call: (215) [system] 'D'='`'
   Fail: (215) [system] 'D'='`'
   Call: (215) [system] 'D'=end_of_file
   Fail: (215) [system] 'D'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x563acd73bee0), 'D', _943436)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _978946)
   Call: (217) [system] peek_char((0x563acd73bee0), _979880)
   Exit: (217) [system] peek_char((0x563acd73bee0), ')')
^  Call: (217) [user] is_delimiter(')')
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] arg(_984600, v('(', ')', end_of_file), ')')
   Exit: (218) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (217) [user] is_delimiter(')')
   Call: (217) [system] _978946=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (216) [user] classify_and_convert_charseq(['D'], _943436)
^  Call: (217) [user] classify_and_convert_charseq_(['D'], _991036)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_991988, _991990), once(user:catch(read_from_chars(['D'], _991036), _991970, fail)), '$restore_trace'(_991988, _991990))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_991988, _991990))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _991036), _991970, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_991036)
   Fail: (218) [system] atomic(_991036)
   Call: (218) [system] atom_chars(_991036, ['D'])
   Exit: (218) [system] atom_chars('D', ['D'])
^  Exit: (217) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (217) [system] integer('D')
   Fail: (217) [system] integer('D')
   Call: (217) [system] _943436='D'
   Exit: (217) [system] 'D'='D'
^  Exit: (216) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (215) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'D')
^  Exit: (214) [user] cont_sexpr(')', (0x563acd73bee0), 'D')
^  Call: (214) [user] read_list(')', (0x563acd73bee0), _1005986)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1007844)
   Exit: (216) [system] peek_char((0x563acd73bee0), ')')
   Call: (216) [system] ')'=(;)
   Fail: (216) [system] ')'=(;)
   Call: (216) [system] ')'=(/)
   Fail: (216) [system] ')'=(/)
^  Call: (216) [user] is_like_space(')')
   Call: (217) [system] char_type(')', 'white')
   Fail: (217) [system] char_type(')', 'white')
   Call: (217) [system] char_type(')', end_of_line)
   Fail: (217) [system] char_type(')', end_of_line)
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] char_type(')', cntrl)
   Fail: (217) [system] char_type(')', cntrl)
^  Fail: (216) [user] is_like_space(')')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1023854)
   Exit: (215) [system] peek_char((0x563acd73bee0), ')')
   Call: (215) [system] ')'=')'
   Exit: (215) [system] ')'=')'
   Call: (215) [system] get_char((0x563acd73bee0), _1027644)
   Exit: (215) [system] get_char((0x563acd73bee0), ')')
   Call: (215) [system] _1005986=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_list(')', (0x563acd73bee0), [])
   Call: (214) [system] _906776=['D']
   Exit: (214) [system] ['D']=['D']
^  Exit: (213) [user] read_list(')', (0x563acd73bee0), ['D'])
   Call: (213) [system] _809438=['C', 'D']
   Exit: (213) [system] ['C', 'D']=['C', 'D']
^  Exit: (212) [user] read_list(')', (0x563acd73bee0), ['C', 'D'])
   Call: (212) [system] _620092=['OrLink', 'C', 'D']
   Exit: (212) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (211) [user] read_list(')', (0x563acd73bee0), ['OrLink', 'C', 'D'])
^  Exit: (210) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', 'C', 'D'])
^  Call: (210) [user] read_list(')', (0x563acd73bee0), _1041526)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1043384)
   Exit: (212) [system] peek_char((0x563acd73bee0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x563acd73bee0), _1052978)
   Exit: (212) [system] get_char((0x563acd73bee0), ' ')
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1055682)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'E')
   Call: (213) [system] 'E'=(;)
   Fail: (213) [system] 'E'=(;)
   Call: (213) [system] 'E'=(/)
   Fail: (213) [system] 'E'=(/)
^  Call: (213) [user] is_like_space('E')
   Call: (214) [system] char_type('E', 'white')
   Fail: (214) [system] char_type('E', 'white')
   Call: (214) [system] char_type('E', end_of_line)
   Fail: (214) [system] char_type('E', end_of_line)
   Call: (214) [system] char_type('E', space)
   Fail: (214) [system] char_type('E', space)
   Call: (214) [system] char_type('E', cntrl)
   Fail: (214) [system] char_type('E', cntrl)
^  Fail: (213) [user] is_like_space('E')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1072616)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'E')
   Call: (211) [system] 'E'=')'
   Fail: (211) [system] 'E'=')'
   Call: (211) [system] 'E'=end_of_file
   Fail: (211) [system] 'E'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x563acd73bee0), _1078186)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1080044)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'E')
   Call: (213) [system] 'E'=(;)
   Fail: (213) [system] 'E'=(;)
   Call: (213) [system] 'E'=(/)
   Fail: (213) [system] 'E'=(/)
^  Call: (213) [user] is_like_space('E')
   Call: (214) [system] char_type('E', 'white')
   Fail: (214) [system] char_type('E', 'white')
   Call: (214) [system] char_type('E', end_of_line)
   Fail: (214) [system] char_type('E', end_of_line)
   Call: (214) [system] char_type('E', space)
   Fail: (214) [system] char_type('E', space)
   Call: (214) [system] char_type('E', cntrl)
   Fail: (214) [system] char_type('E', cntrl)
^  Fail: (213) [user] is_like_space('E')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] get_char((0x563acd73bee0), _1096054)
   Exit: (212) [system] get_char((0x563acd73bee0), 'E')
   Call: (212) [system] 'E'='('
   Fail: (212) [system] 'E'='('
   Call: (212) [system] 'E'='['
   Fail: (212) [system] 'E'='['
   Call: (212) [system] 'E'='{'
   Fail: (212) [system] 'E'='{'
   Call: (212) [system] 'E'='"'
   Fail: (212) [system] 'E'='"'
   Call: (212) [system] 'E'=!
   Fail: (212) [system] 'E'=!
   Call: (212) [system] 'E'='\''
   Fail: (212) [system] 'E'='\''
   Call: (212) [system] 'E'='`'
   Fail: (212) [system] 'E'='`'
   Call: (212) [system] 'E'=end_of_file
   Fail: (212) [system] 'E'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x563acd73bee0), 'E', _1078186)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _1113696)
   Call: (214) [system] peek_char((0x563acd73bee0), _1114630)
   Exit: (214) [system] peek_char((0x563acd73bee0), ')')
^  Call: (214) [user] is_delimiter(')')
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] arg(_1119350, v('(', ')', end_of_file), ')')
   Exit: (215) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (214) [user] is_delimiter(')')
   Call: (214) [system] _1113696=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (213) [user] classify_and_convert_charseq(['E'], _1078186)
^  Call: (214) [user] classify_and_convert_charseq_(['E'], _1125786)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1126738, _1126740), once(user:catch(read_from_chars(['E'], _1125786), _1126720, fail)), '$restore_trace'(_1126738, _1126740))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1126738, _1126740))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1125786), _1126720, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_1125786)
   Fail: (215) [system] atomic(_1125786)
   Call: (215) [system] atom_chars(_1125786, ['E'])
   Exit: (215) [system] atom_chars('E', ['E'])
^  Exit: (214) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (214) [system] integer('E')
   Fail: (214) [system] integer('E')
   Call: (214) [system] _1078186='E'
   Exit: (214) [system] 'E'='E'
^  Exit: (213) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (212) [user] read_symbolic(')', (0x563acd73bee0), 'E', 'E')
^  Exit: (211) [user] cont_sexpr(')', (0x563acd73bee0), 'E')
^  Call: (211) [user] read_list(')', (0x563acd73bee0), _1140736)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1142594)
   Exit: (213) [system] peek_char((0x563acd73bee0), ')')
   Call: (213) [system] ')'=(;)
   Fail: (213) [system] ')'=(;)
   Call: (213) [system] ')'=(/)
   Fail: (213) [system] ')'=(/)
^  Call: (213) [user] is_like_space(')')
   Call: (214) [system] char_type(')', 'white')
   Fail: (214) [system] char_type(')', 'white')
   Call: (214) [system] char_type(')', end_of_line)
   Fail: (214) [system] char_type(')', end_of_line)
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] char_type(')', cntrl)
   Fail: (214) [system] char_type(')', cntrl)
^  Fail: (213) [user] is_like_space(')')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1158604)
   Exit: (212) [system] peek_char((0x563acd73bee0), ')')
   Call: (212) [system] ')'=')'
   Exit: (212) [system] ')'=')'
   Call: (212) [system] get_char((0x563acd73bee0), _1162394)
   Exit: (212) [system] get_char((0x563acd73bee0), ')')
   Call: (212) [system] _1140736=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_list(')', (0x563acd73bee0), [])
   Call: (211) [system] _1041526=['E']
   Exit: (211) [system] ['E']=['E']
^  Exit: (210) [user] read_list(')', (0x563acd73bee0), ['E'])
   Call: (210) [system] _583432=[['OrLink', 'C', 'D'], 'E']
   Exit: (210) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (209) [user] read_list(')', (0x563acd73bee0), [['OrLink', 'C', 'D'], 'E'])
   Call: (209) [system] _310436=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (209) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (208) [user] read_list(')', (0x563acd73bee0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (207) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (207) [user] read_list(')', (0x563acd73bee0), _1176276)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1178134)
   Exit: (209) [system] peek_char((0x563acd73bee0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x563acd73bee0), _1187728)
   Exit: (209) [system] get_char((0x563acd73bee0), ' ')
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1190432)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'B')
   Call: (210) [system] 'B'=(;)
   Fail: (210) [system] 'B'=(;)
   Call: (210) [system] 'B'=(/)
   Fail: (210) [system] 'B'=(/)
^  Call: (210) [user] is_like_space('B')
   Call: (211) [system] char_type('B', 'white')
   Fail: (211) [system] char_type('B', 'white')
   Call: (211) [system] char_type('B', end_of_line)
   Fail: (211) [system] char_type('B', end_of_line)
   Call: (211) [system] char_type('B', space)
   Fail: (211) [system] char_type('B', space)
   Call: (211) [system] char_type('B', cntrl)
   Fail: (211) [system] char_type('B', cntrl)
^  Fail: (210) [user] is_like_space('B')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1207366)
   Exit: (208) [system] peek_char((0x563acd73bee0), 'B')
   Call: (208) [system] 'B'=')'
   Fail: (208) [system] 'B'=')'
   Call: (208) [system] 'B'=end_of_file
   Fail: (208) [system] 'B'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x563acd73bee0), _1212936)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1214794)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'B')
   Call: (210) [system] 'B'=(;)
   Fail: (210) [system] 'B'=(;)
   Call: (210) [system] 'B'=(/)
   Fail: (210) [system] 'B'=(/)
^  Call: (210) [user] is_like_space('B')
   Call: (211) [system] char_type('B', 'white')
   Fail: (211) [system] char_type('B', 'white')
   Call: (211) [system] char_type('B', end_of_line)
   Fail: (211) [system] char_type('B', end_of_line)
   Call: (211) [system] char_type('B', space)
   Fail: (211) [system] char_type('B', space)
   Call: (211) [system] char_type('B', cntrl)
   Fail: (211) [system] char_type('B', cntrl)
^  Fail: (210) [user] is_like_space('B')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] get_char((0x563acd73bee0), _1230804)
   Exit: (209) [system] get_char((0x563acd73bee0), 'B')
   Call: (209) [system] 'B'='('
   Fail: (209) [system] 'B'='('
   Call: (209) [system] 'B'='['
   Fail: (209) [system] 'B'='['
   Call: (209) [system] 'B'='{'
   Fail: (209) [system] 'B'='{'
   Call: (209) [system] 'B'='"'
   Fail: (209) [system] 'B'='"'
   Call: (209) [system] 'B'=!
   Fail: (209) [system] 'B'=!
   Call: (209) [system] 'B'='\''
   Fail: (209) [system] 'B'='\''
   Call: (209) [system] 'B'='`'
   Fail: (209) [system] 'B'='`'
   Call: (209) [system] 'B'=end_of_file
   Fail: (209) [system] 'B'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x563acd73bee0), 'B', _1212936)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1248446)
   Call: (211) [system] peek_char((0x563acd73bee0), _1249380)
   Exit: (211) [system] peek_char((0x563acd73bee0), ')')
^  Call: (211) [user] is_delimiter(')')
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] arg(_1254100, v('(', ')', end_of_file), ')')
   Exit: (212) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (211) [user] is_delimiter(')')
   Call: (211) [system] _1248446=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (210) [user] classify_and_convert_charseq(['B'], _1212936)
^  Call: (211) [user] classify_and_convert_charseq_(['B'], _1260536)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_1261488, _1261490), once(user:catch(read_from_chars(['B'], _1260536), _1261470, fail)), '$restore_trace'(_1261488, _1261490))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_1261488, _1261490))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1260536), _1261470, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_1260536)
   Fail: (212) [system] atomic(_1260536)
   Call: (212) [system] atom_chars(_1260536, ['B'])
   Exit: (212) [system] atom_chars('B', ['B'])
^  Exit: (211) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (211) [system] integer('B')
   Fail: (211) [system] integer('B')
   Call: (211) [system] _1212936='B'
   Exit: (211) [system] 'B'='B'
^  Exit: (210) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (209) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (208) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (208) [user] read_list(')', (0x563acd73bee0), _1275486)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1277344)
   Exit: (210) [system] peek_char((0x563acd73bee0), ')')
   Call: (210) [system] ')'=(;)
   Fail: (210) [system] ')'=(;)
   Call: (210) [system] ')'=(/)
   Fail: (210) [system] ')'=(/)
^  Call: (210) [user] is_like_space(')')
   Call: (211) [system] char_type(')', 'white')
   Fail: (211) [system] char_type(')', 'white')
   Call: (211) [system] char_type(')', end_of_line)
   Fail: (211) [system] char_type(')', end_of_line)
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] char_type(')', cntrl)
   Fail: (211) [system] char_type(')', cntrl)
^  Fail: (210) [user] is_like_space(')')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1293354)
   Exit: (209) [system] peek_char((0x563acd73bee0), ')')
   Call: (209) [system] ')'=')'
   Exit: (209) [system] ')'=')'
   Call: (209) [system] get_char((0x563acd73bee0), _1297144)
   Exit: (209) [system] get_char((0x563acd73bee0), ')')
   Call: (209) [system] _1275486=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_list(')', (0x563acd73bee0), [])
   Call: (208) [system] _1176276=['B']
   Exit: (208) [system] ['B']=['B']
^  Exit: (207) [user] read_list(')', (0x563acd73bee0), ['B'])
   Call: (207) [system] _273776=[['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']
   Exit: (207) [system] [['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']=[['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']
^  Exit: (206) [user] read_list(')', (0x563acd73bee0), [['Implication', ['OrLink', 'C', 'D'], 'E'], 'B'])
   Call: (206) [system] _67700=['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']
   Exit: (206) [system] ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']=['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']
^  Exit: (205) [user] read_list(')', (0x563acd73bee0), ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B'])
^  Exit: (204) [user] cont_sexpr(')', (0x563acd73bee0), ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B'])
^  Call: (204) [user] read_list(')', (0x563acd73bee0), _1311026)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1312884)
   Exit: (206) [system] peek_char((0x563acd73bee0), ')')
   Call: (206) [system] ')'=(;)
   Fail: (206) [system] ')'=(;)
   Call: (206) [system] ')'=(/)
   Fail: (206) [system] ')'=(/)
^  Call: (206) [user] is_like_space(')')
   Call: (207) [system] char_type(')', 'white')
   Fail: (207) [system] char_type(')', 'white')
   Call: (207) [system] char_type(')', end_of_line)
   Fail: (207) [system] char_type(')', end_of_line)
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] char_type(')', cntrl)
   Fail: (207) [system] char_type(')', cntrl)
^  Fail: (206) [user] is_like_space(')')
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1328894)
   Exit: (205) [system] peek_char((0x563acd73bee0), ')')
   Call: (205) [system] ')'=')'
   Exit: (205) [system] ')'=')'
   Call: (205) [system] get_char((0x563acd73bee0), _1332684)
   Exit: (205) [system] get_char((0x563acd73bee0), ')')
   Call: (205) [system] _1311026=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_list(')', (0x563acd73bee0), [])
   Call: (204) [system] _31040=[['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
   Exit: (204) [system] [['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]=[['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
^  Exit: (203) [user] read_list(')', (0x563acd73bee0), [['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']])
   Call: (203) [system] _4444=[['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
   Exit: (203) [system] [['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]=[['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
^  Exit: (202) [user] read_list(')', (0x563acd73bee0), [['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']])
   Call: (202) [system] _4436=[:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
   Exit: (202) [system] [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]=[:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
^  Exit: (201) [user] read_list(')', (0x563acd73bee0), [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']])
^  Exit: (200) [user] cont_sexpr(')', (0x563acd73bee0), [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']])
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _1346566)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1348424)
   Exit: (202) [system] peek_char((0x563acd73bee0), '\n')
   Call: (202) [system] '\n'=(;)
   Fail: (202) [system] '\n'=(;)
   Call: (202) [system] '\n'=(/)
   Fail: (202) [system] '\n'=(/)
^  Call: (202) [user] is_like_space('\n')
   Call: (203) [system] char_type('\n', 'white')
   Fail: (203) [system] char_type('\n', 'white')
   Call: (203) [system] char_type('\n', end_of_line)
   Exit: (203) [system] char_type('\n', end_of_line)
^  Exit: (202) [user] is_like_space('\n')
   Call: (202) [system] get_char((0x563acd73bee0), _1359874)
   Exit: (202) [system] get_char((0x563acd73bee0), '\n')
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1362578)
   Exit: (203) [system] peek_char((0x563acd73bee0), '\t')
   Call: (203) [system] '\t'=(;)
   Fail: (203) [system] '\t'=(;)
   Call: (203) [system] '\t'=(/)
   Fail: (203) [system] '\t'=(/)
^  Call: (203) [user] is_like_space('\t')
   Call: (204) [system] char_type('\t', 'white')
   Exit: (204) [system] char_type('\t', 'white')
^  Exit: (203) [user] is_like_space('\t')
   Call: (203) [system] get_char((0x563acd73bee0), _1372172)
   Exit: (203) [system] get_char((0x563acd73bee0), '\t')
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1374876)
   Exit: (204) [system] peek_char((0x563acd73bee0), '\t')
   Call: (204) [system] '\t'=(;)
   Fail: (204) [system] '\t'=(;)
   Call: (204) [system] '\t'=(/)
   Fail: (204) [system] '\t'=(/)
^  Call: (204) [user] is_like_space('\t')
   Call: (205) [system] char_type('\t', 'white')
   Exit: (205) [system] char_type('\t', 'white')
^  Exit: (204) [user] is_like_space('\t')
   Call: (204) [system] get_char((0x563acd73bee0), _1384470)
   Exit: (204) [system] get_char((0x563acd73bee0), '\t')
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1387174)
   Exit: (205) [system] peek_char((0x563acd73bee0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x563acd73bee0), _1396768)
   Exit: (205) [system] get_char((0x563acd73bee0), ' ')
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1399472)
   Exit: (206) [system] peek_char((0x563acd73bee0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1419178)
   Exit: (201) [system] peek_char((0x563acd73bee0), '(')
   Call: (201) [system] '('=')'
   Fail: (201) [system] '('=')'
   Call: (201) [system] '('=end_of_file
   Fail: (201) [system] '('=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x563acd73bee0), _1424748)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1426606)
   Exit: (203) [system] peek_char((0x563acd73bee0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] get_char((0x563acd73bee0), _1442616)
   Exit: (202) [system] get_char((0x563acd73bee0), '(')
   Call: (202) [system] '('='('
   Exit: (202) [system] '('='('
^  Call: (202) [user] read_list(')', (0x563acd73bee0), _1424748)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1448186)
   Exit: (204) [system] peek_char((0x563acd73bee0), :)
   Call: (204) [system] (:)=(;)
   Fail: (204) [system] (:)=(;)
   Call: (204) [system] (:)=(/)
   Fail: (204) [system] (:)=(/)
^  Call: (204) [user] is_like_space(:)
   Call: (205) [system] char_type(:, 'white')
   Fail: (205) [system] char_type(:, 'white')
   Call: (205) [system] char_type(:, end_of_line)
   Fail: (205) [system] char_type(:, end_of_line)
   Call: (205) [system] char_type(:, space)
   Fail: (205) [system] char_type(:, space)
   Call: (205) [system] char_type(:, cntrl)
   Fail: (205) [system] char_type(:, cntrl)
^  Fail: (204) [user] is_like_space(:)
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1464196)
   Exit: (203) [system] peek_char((0x563acd73bee0), :)
   Call: (203) [system] (:)=')'
   Fail: (203) [system] (:)=')'
   Call: (203) [system] (:)=end_of_file
   Fail: (203) [system] (:)=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x563acd73bee0), _1469766)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1471624)
   Exit: (205) [system] peek_char((0x563acd73bee0), :)
   Call: (205) [system] (:)=(;)
   Fail: (205) [system] (:)=(;)
   Call: (205) [system] (:)=(/)
   Fail: (205) [system] (:)=(/)
^  Call: (205) [user] is_like_space(:)
   Call: (206) [system] char_type(:, 'white')
   Fail: (206) [system] char_type(:, 'white')
   Call: (206) [system] char_type(:, end_of_line)
   Fail: (206) [system] char_type(:, end_of_line)
   Call: (206) [system] char_type(:, space)
   Fail: (206) [system] char_type(:, space)
   Call: (206) [system] char_type(:, cntrl)
   Fail: (206) [system] char_type(:, cntrl)
^  Fail: (205) [user] is_like_space(:)
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] get_char((0x563acd73bee0), _1487634)
   Exit: (204) [system] get_char((0x563acd73bee0), :)
   Call: (204) [system] (:)='('
   Fail: (204) [system] (:)='('
   Call: (204) [system] (:)='['
   Fail: (204) [system] (:)='['
   Call: (204) [system] (:)='{'
   Fail: (204) [system] (:)='{'
   Call: (204) [system] (:)='"'
   Fail: (204) [system] (:)='"'
   Call: (204) [system] (:)=!
   Fail: (204) [system] (:)=!
   Call: (204) [system] (:)='\''
   Fail: (204) [system] (:)='\''
   Call: (204) [system] (:)='`'
   Fail: (204) [system] (:)='`'
   Call: (204) [system] (:)=end_of_file
   Fail: (204) [system] (:)=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x563acd73bee0), :, _1469766)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1505276)
   Call: (206) [system] peek_char((0x563acd73bee0), _1506210)
   Exit: (206) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _1505276=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (205) [user] classify_and_convert_charseq([:], _1469766)
^  Call: (206) [user] classify_and_convert_charseq_([:], _1515494)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_1516446, _1516448), once(user:catch(read_from_chars([:], _1515494), _1516428, fail)), '$restore_trace'(_1516446, _1516448))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_1516446, _1516448))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1516428, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(:)
   Exit: (207) [system] atomic(:)
^  Exit: (206) [user] classify_and_convert_charseq_([:], :)
   Call: (206) [system] integer(:)
   Fail: (206) [system] integer(:)
   Call: (206) [system] _1469766=(:)
   Exit: (206) [system] (:)=(:)
^  Exit: (205) [user] classify_and_convert_charseq([:], :)
^  Exit: (204) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (203) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (203) [user] read_list(')', (0x563acd73bee0), _1528574)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1530432)
   Exit: (205) [system] peek_char((0x563acd73bee0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x563acd73bee0), _1540026)
   Exit: (205) [system] get_char((0x563acd73bee0), ' ')
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1542730)
   Exit: (206) [system] peek_char((0x563acd73bee0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1559664)
   Exit: (204) [system] peek_char((0x563acd73bee0), '(')
   Call: (204) [system] '('=')'
   Fail: (204) [system] '('=')'
   Call: (204) [system] '('=end_of_file
   Fail: (204) [system] '('=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x563acd73bee0), _1565234)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1567092)
   Exit: (206) [system] peek_char((0x563acd73bee0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] get_char((0x563acd73bee0), _1583102)
   Exit: (205) [system] get_char((0x563acd73bee0), '(')
   Call: (205) [system] '('='('
   Exit: (205) [system] '('='('
^  Call: (205) [user] read_list(')', (0x563acd73bee0), _1565234)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1588672)
   Exit: (207) [system] peek_char((0x563acd73bee0), 'C')
   Call: (207) [system] 'C'=(;)
   Fail: (207) [system] 'C'=(;)
   Call: (207) [system] 'C'=(/)
   Fail: (207) [system] 'C'=(/)
^  Call: (207) [user] is_like_space('C')
   Call: (208) [system] char_type('C', 'white')
   Fail: (208) [system] char_type('C', 'white')
   Call: (208) [system] char_type('C', end_of_line)
   Fail: (208) [system] char_type('C', end_of_line)
   Call: (208) [system] char_type('C', space)
   Fail: (208) [system] char_type('C', space)
   Call: (208) [system] char_type('C', cntrl)
   Fail: (208) [system] char_type('C', cntrl)
^  Fail: (207) [user] is_like_space('C')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1604682)
   Exit: (206) [system] peek_char((0x563acd73bee0), 'C')
   Call: (206) [system] 'C'=')'
   Fail: (206) [system] 'C'=')'
   Call: (206) [system] 'C'=end_of_file
   Fail: (206) [system] 'C'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x563acd73bee0), _1610252)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1612110)
   Exit: (208) [system] peek_char((0x563acd73bee0), 'C')
   Call: (208) [system] 'C'=(;)
   Fail: (208) [system] 'C'=(;)
   Call: (208) [system] 'C'=(/)
   Fail: (208) [system] 'C'=(/)
^  Call: (208) [user] is_like_space('C')
   Call: (209) [system] char_type('C', 'white')
   Fail: (209) [system] char_type('C', 'white')
   Call: (209) [system] char_type('C', end_of_line)
   Fail: (209) [system] char_type('C', end_of_line)
   Call: (209) [system] char_type('C', space)
   Fail: (209) [system] char_type('C', space)
   Call: (209) [system] char_type('C', cntrl)
   Fail: (209) [system] char_type('C', cntrl)
^  Fail: (208) [user] is_like_space('C')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] get_char((0x563acd73bee0), _1628120)
   Exit: (207) [system] get_char((0x563acd73bee0), 'C')
   Call: (207) [system] 'C'='('
   Fail: (207) [system] 'C'='('
   Call: (207) [system] 'C'='['
   Fail: (207) [system] 'C'='['
   Call: (207) [system] 'C'='{'
   Fail: (207) [system] 'C'='{'
   Call: (207) [system] 'C'='"'
   Fail: (207) [system] 'C'='"'
   Call: (207) [system] 'C'=!
   Fail: (207) [system] 'C'=!
   Call: (207) [system] 'C'='\''
   Fail: (207) [system] 'C'='\''
   Call: (207) [system] 'C'='`'
   Fail: (207) [system] 'C'='`'
   Call: (207) [system] 'C'=end_of_file
   Fail: (207) [system] 'C'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x563acd73bee0), 'C', _1610252)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1645762)
   Call: (209) [system] peek_char((0x563acd73bee0), _1646696)
   Exit: (209) [system] peek_char((0x563acd73bee0), o)
^  Call: (209) [user] is_delimiter(o)
   Call: (210) [system] char_type(o, space)
   Fail: (210) [system] char_type(o, space)
   Call: (210) [system] arg(_1651416, v('(', ')', end_of_file), o)
   Fail: (210) [system] arg(_1652348, v('(', ')', end_of_file), o)
^  Fail: (209) [user] is_delimiter(o)
   Call: (209) [system] ')'==o
   Fail: (209) [system] ')'==o
   Call: (209) [system] get_char((0x563acd73bee0), o)
   Exit: (209) [system] get_char((0x563acd73bee0), o)
   Call: (209) [system] o=(\)
   Fail: (209) [system] o=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1659698)
   Call: (210) [system] peek_char((0x563acd73bee0), _1660632)
   Exit: (210) [system] peek_char((0x563acd73bee0), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Fail: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_1665352, v('(', ')', end_of_file), n)
   Fail: (211) [system] arg(_1666284, v('(', ')', end_of_file), n)
^  Fail: (210) [user] is_delimiter(n)
   Call: (210) [system] ')'==n
   Fail: (210) [system] ')'==n
   Call: (210) [system] get_char((0x563acd73bee0), n)
   Exit: (210) [system] get_char((0x563acd73bee0), n)
   Call: (210) [system] n=(\)
   Fail: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1673634)
   Call: (211) [system] peek_char((0x563acd73bee0), _1674568)
   Exit: (211) [system] peek_char((0x563acd73bee0), j)
^  Call: (211) [user] is_delimiter(j)
   Call: (212) [system] char_type(j, space)
   Fail: (212) [system] char_type(j, space)
   Call: (212) [system] arg(_1679288, v('(', ')', end_of_file), j)
   Fail: (212) [system] arg(_1680220, v('(', ')', end_of_file), j)
^  Fail: (211) [user] is_delimiter(j)
   Call: (211) [system] ')'==j
   Fail: (211) [system] ')'==j
   Call: (211) [system] get_char((0x563acd73bee0), j)
   Exit: (211) [system] get_char((0x563acd73bee0), j)
   Call: (211) [system] j=(\)
   Fail: (211) [system] j=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1687570)
   Call: (212) [system] peek_char((0x563acd73bee0), _1688504)
   Exit: (212) [system] peek_char((0x563acd73bee0), u)
^  Call: (212) [user] is_delimiter(u)
   Call: (213) [system] char_type(u, space)
   Fail: (213) [system] char_type(u, space)
   Call: (213) [system] arg(_1693224, v('(', ')', end_of_file), u)
   Fail: (213) [system] arg(_1694156, v('(', ')', end_of_file), u)
^  Fail: (212) [user] is_delimiter(u)
   Call: (212) [system] ')'==u
   Fail: (212) [system] ')'==u
   Call: (212) [system] get_char((0x563acd73bee0), u)
   Exit: (212) [system] get_char((0x563acd73bee0), u)
   Call: (212) [system] u=(\)
   Fail: (212) [system] u=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _1701506)
   Call: (213) [system] peek_char((0x563acd73bee0), _1702440)
   Exit: (213) [system] peek_char((0x563acd73bee0), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_1707160, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_1708092, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x563acd73bee0), n)
   Exit: (213) [system] get_char((0x563acd73bee0), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _1715442)
   Call: (214) [system] peek_char((0x563acd73bee0), _1716376)
   Exit: (214) [system] peek_char((0x563acd73bee0), c)
^  Call: (214) [user] is_delimiter(c)
   Call: (215) [system] char_type(c, space)
   Fail: (215) [system] char_type(c, space)
   Call: (215) [system] arg(_1721096, v('(', ')', end_of_file), c)
   Fail: (215) [system] arg(_1722028, v('(', ')', end_of_file), c)
^  Fail: (214) [user] is_delimiter(c)
   Call: (214) [system] ')'==c
   Fail: (214) [system] ')'==c
   Call: (214) [system] get_char((0x563acd73bee0), c)
   Exit: (214) [system] get_char((0x563acd73bee0), c)
   Call: (214) [system] c=(\)
   Fail: (214) [system] c=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _1729378)
   Call: (215) [system] peek_char((0x563acd73bee0), _1730312)
   Exit: (215) [system] peek_char((0x563acd73bee0), t)
^  Call: (215) [user] is_delimiter(t)
   Call: (216) [system] char_type(t, space)
   Fail: (216) [system] char_type(t, space)
   Call: (216) [system] arg(_1735032, v('(', ')', end_of_file), t)
   Fail: (216) [system] arg(_1735964, v('(', ')', end_of_file), t)
^  Fail: (215) [user] is_delimiter(t)
   Call: (215) [system] ')'==t
   Fail: (215) [system] ')'==t
   Call: (215) [system] get_char((0x563acd73bee0), t)
   Exit: (215) [system] get_char((0x563acd73bee0), t)
   Call: (215) [system] t=(\)
   Fail: (215) [system] t=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _1743314)
   Call: (216) [system] peek_char((0x563acd73bee0), _1744248)
   Exit: (216) [system] peek_char((0x563acd73bee0), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Fail: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_1748968, v('(', ')', end_of_file), i)
   Fail: (217) [system] arg(_1749900, v('(', ')', end_of_file), i)
^  Fail: (216) [user] is_delimiter(i)
   Call: (216) [system] ')'==i
   Fail: (216) [system] ')'==i
   Call: (216) [system] get_char((0x563acd73bee0), i)
   Exit: (216) [system] get_char((0x563acd73bee0), i)
   Call: (216) [system] i=(\)
   Fail: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _1757250)
   Call: (217) [system] peek_char((0x563acd73bee0), _1758184)
   Exit: (217) [system] peek_char((0x563acd73bee0), o)
^  Call: (217) [user] is_delimiter(o)
   Call: (218) [system] char_type(o, space)
   Fail: (218) [system] char_type(o, space)
   Call: (218) [system] arg(_1762904, v('(', ')', end_of_file), o)
   Fail: (218) [system] arg(_1763836, v('(', ')', end_of_file), o)
^  Fail: (217) [user] is_delimiter(o)
   Call: (217) [system] ')'==o
   Fail: (217) [system] ')'==o
   Call: (217) [system] get_char((0x563acd73bee0), o)
   Exit: (217) [system] get_char((0x563acd73bee0), o)
   Call: (217) [system] o=(\)
   Fail: (217) [system] o=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _1771186)
   Call: (218) [system] peek_char((0x563acd73bee0), _1772120)
   Exit: (218) [system] peek_char((0x563acd73bee0), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_1776840, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_1777772, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x563acd73bee0), n)
   Exit: (218) [system] get_char((0x563acd73bee0), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _1785122)
   Call: (219) [system] peek_char((0x563acd73bee0), _1786056)
   Exit: (219) [system] peek_char((0x563acd73bee0), 'I')
^  Call: (219) [user] is_delimiter('I')
   Call: (220) [system] char_type('I', space)
   Fail: (220) [system] char_type('I', space)
   Call: (220) [system] arg(_1790776, v('(', ')', end_of_file), 'I')
   Fail: (220) [system] arg(_1791708, v('(', ')', end_of_file), 'I')
^  Fail: (219) [user] is_delimiter('I')
   Call: (219) [system] ')'=='I'
   Fail: (219) [system] ')'=='I'
   Call: (219) [system] get_char((0x563acd73bee0), 'I')
   Exit: (219) [system] get_char((0x563acd73bee0), 'I')
   Call: (219) [system] 'I'=(\)
   Fail: (219) [system] 'I'=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _1799058)
   Call: (220) [system] peek_char((0x563acd73bee0), _1799992)
   Exit: (220) [system] peek_char((0x563acd73bee0), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_1804712, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_1805644, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x563acd73bee0), n)
   Exit: (220) [system] get_char((0x563acd73bee0), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _1812994)
   Call: (221) [system] peek_char((0x563acd73bee0), _1813928)
   Exit: (221) [system] peek_char((0x563acd73bee0), t)
^  Call: (221) [user] is_delimiter(t)
   Call: (222) [system] char_type(t, space)
   Fail: (222) [system] char_type(t, space)
   Call: (222) [system] arg(_1818648, v('(', ')', end_of_file), t)
   Fail: (222) [system] arg(_1819580, v('(', ')', end_of_file), t)
^  Fail: (221) [user] is_delimiter(t)
   Call: (221) [system] ')'==t
   Fail: (221) [system] ')'==t
   Call: (221) [system] get_char((0x563acd73bee0), t)
   Exit: (221) [system] get_char((0x563acd73bee0), t)
   Call: (221) [system] t=(\)
   Fail: (221) [system] t=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _1826930)
   Call: (222) [system] peek_char((0x563acd73bee0), _1827864)
   Exit: (222) [system] peek_char((0x563acd73bee0), r)
^  Call: (222) [user] is_delimiter(r)
   Call: (223) [system] char_type(r, space)
   Fail: (223) [system] char_type(r, space)
   Call: (223) [system] arg(_1832584, v('(', ')', end_of_file), r)
   Fail: (223) [system] arg(_1833516, v('(', ')', end_of_file), r)
^  Fail: (222) [user] is_delimiter(r)
   Call: (222) [system] ')'==r
   Fail: (222) [system] ')'==r
   Call: (222) [system] get_char((0x563acd73bee0), r)
   Exit: (222) [system] get_char((0x563acd73bee0), r)
   Call: (222) [system] r=(\)
   Fail: (222) [system] r=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _1840866)
   Call: (223) [system] peek_char((0x563acd73bee0), _1841800)
   Exit: (223) [system] peek_char((0x563acd73bee0), o)
^  Call: (223) [user] is_delimiter(o)
   Call: (224) [system] char_type(o, space)
   Fail: (224) [system] char_type(o, space)
   Call: (224) [system] arg(_1846520, v('(', ')', end_of_file), o)
   Fail: (224) [system] arg(_1847452, v('(', ')', end_of_file), o)
^  Fail: (223) [user] is_delimiter(o)
   Call: (223) [system] ')'==o
   Fail: (223) [system] ')'==o
   Call: (223) [system] get_char((0x563acd73bee0), o)
   Exit: (223) [system] get_char((0x563acd73bee0), o)
   Call: (223) [system] o=(\)
   Fail: (223) [system] o=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _1854802)
   Call: (224) [system] peek_char((0x563acd73bee0), _1855736)
   Exit: (224) [system] peek_char((0x563acd73bee0), d)
^  Call: (224) [user] is_delimiter(d)
   Call: (225) [system] char_type(d, space)
   Fail: (225) [system] char_type(d, space)
   Call: (225) [system] arg(_1860456, v('(', ')', end_of_file), d)
   Fail: (225) [system] arg(_1861388, v('(', ')', end_of_file), d)
^  Fail: (224) [user] is_delimiter(d)
   Call: (224) [system] ')'==d
   Fail: (224) [system] ')'==d
   Call: (224) [system] get_char((0x563acd73bee0), d)
   Exit: (224) [system] get_char((0x563acd73bee0), d)
   Call: (224) [system] d=(\)
   Fail: (224) [system] d=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _1868738)
   Call: (225) [system] peek_char((0x563acd73bee0), _1869672)
   Exit: (225) [system] peek_char((0x563acd73bee0), u)
^  Call: (225) [user] is_delimiter(u)
   Call: (226) [system] char_type(u, space)
   Fail: (226) [system] char_type(u, space)
   Call: (226) [system] arg(_1874392, v('(', ')', end_of_file), u)
   Fail: (226) [system] arg(_1875324, v('(', ')', end_of_file), u)
^  Fail: (225) [user] is_delimiter(u)
   Call: (225) [system] ')'==u
   Fail: (225) [system] ')'==u
   Call: (225) [system] get_char((0x563acd73bee0), u)
   Exit: (225) [system] get_char((0x563acd73bee0), u)
   Call: (225) [system] u=(\)
   Fail: (225) [system] u=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _1882674)
   Call: (226) [system] peek_char((0x563acd73bee0), _1883608)
   Exit: (226) [system] peek_char((0x563acd73bee0), c)
^  Call: (226) [user] is_delimiter(c)
   Call: (227) [system] char_type(c, space)
   Fail: (227) [system] char_type(c, space)
   Call: (227) [system] arg(_1888328, v('(', ')', end_of_file), c)
   Fail: (227) [system] arg(_1889260, v('(', ')', end_of_file), c)
^  Fail: (226) [user] is_delimiter(c)
   Call: (226) [system] ')'==c
   Fail: (226) [system] ')'==c
   Call: (226) [system] get_char((0x563acd73bee0), c)
   Exit: (226) [system] get_char((0x563acd73bee0), c)
   Call: (226) [system] c=(\)
   Fail: (226) [system] c=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _1896610)
   Call: (227) [system] peek_char((0x563acd73bee0), _1897544)
   Exit: (227) [system] peek_char((0x563acd73bee0), t)
^  Call: (227) [user] is_delimiter(t)
   Call: (228) [system] char_type(t, space)
   Fail: (228) [system] char_type(t, space)
   Call: (228) [system] arg(_1902264, v('(', ')', end_of_file), t)
   Fail: (228) [system] arg(_1903196, v('(', ')', end_of_file), t)
^  Fail: (227) [user] is_delimiter(t)
   Call: (227) [system] ')'==t
   Fail: (227) [system] ')'==t
   Call: (227) [system] get_char((0x563acd73bee0), t)
   Exit: (227) [system] get_char((0x563acd73bee0), t)
   Call: (227) [system] t=(\)
   Fail: (227) [system] t=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _1910546)
   Call: (228) [system] peek_char((0x563acd73bee0), _1911480)
   Exit: (228) [system] peek_char((0x563acd73bee0), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_1916200, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_1917132, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x563acd73bee0), i)
   Exit: (228) [system] get_char((0x563acd73bee0), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _1924482)
   Call: (229) [system] peek_char((0x563acd73bee0), _1925416)
   Exit: (229) [system] peek_char((0x563acd73bee0), o)
^  Call: (229) [user] is_delimiter(o)
   Call: (230) [system] char_type(o, space)
   Fail: (230) [system] char_type(o, space)
   Call: (230) [system] arg(_1930136, v('(', ')', end_of_file), o)
   Fail: (230) [system] arg(_1931068, v('(', ')', end_of_file), o)
^  Fail: (229) [user] is_delimiter(o)
   Call: (229) [system] ')'==o
   Fail: (229) [system] ')'==o
   Call: (229) [system] get_char((0x563acd73bee0), o)
   Exit: (229) [system] get_char((0x563acd73bee0), o)
   Call: (229) [system] o=(\)
   Fail: (229) [system] o=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _1938418)
   Call: (230) [system] peek_char((0x563acd73bee0), _1939352)
   Exit: (230) [system] peek_char((0x563acd73bee0), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_1944072, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_1945004, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x563acd73bee0), n)
   Exit: (230) [system] get_char((0x563acd73bee0), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _1952354)
   Call: (231) [system] peek_char((0x563acd73bee0), _1953288)
   Exit: (231) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _1952354=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (230) [system] _1938418=[n]
   Exit: (230) [system] [n]=[n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (229) [system] _1924482=[o, n]
   Exit: (229) [system] [o, n]=[o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (228) [system] _1910546=[i, o, n]
   Exit: (228) [system] [i, o, n]=[i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (227) [system] _1896610=[t, i, o, n]
   Exit: (227) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (226) [system] _1882674=[c, t, i, o, n]
   Exit: (226) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n])
   Call: (225) [system] _1868738=[u, c, t, i, o, n]
   Exit: (225) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, i, o, n])
   Call: (224) [system] _1854802=[d, u, c, t, i, o, n]
   Exit: (224) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, u, c, t, i, o, n])
   Call: (223) [system] _1840866=[o, d, u, c, t, i, o, n]
   Exit: (223) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, d, u, c, t, i, o, n])
   Call: (222) [system] _1826930=[r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1812994=[t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1799058=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1785122=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1771186=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1757250=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1743314=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1729378=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _1715442=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1701506=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _1687570=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _1673634=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _1659698=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _1645762=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (208) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1610252)
^  Call: (209) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _2024040)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_2024992, _2024994), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _2024040), _2024974, fail)), '$restore_trace'(_2024992, _2024994))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_2024992, _2024994))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _2024040), _2024974, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_2024040)
   Fail: (210) [system] atomic(_2024040)
   Call: (210) [system] atom_chars(_2024040, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (210) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (209) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
   Call: (209) [system] integer('ConjunctionIntroduction')
   Fail: (209) [system] integer('ConjunctionIntroduction')
   Call: (209) [system] _1610252='ConjunctionIntroduction'
   Exit: (209) [system] 'ConjunctionIntroduction'='ConjunctionIntroduction'
^  Exit: (208) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (207) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'ConjunctionIntroduction')
^  Exit: (206) [user] cont_sexpr(')', (0x563acd73bee0), 'ConjunctionIntroduction')
^  Call: (206) [user] read_list(')', (0x563acd73bee0), _2038990)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _2040848)
   Exit: (208) [system] peek_char((0x563acd73bee0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x563acd73bee0), _2050442)
   Exit: (208) [system] get_char((0x563acd73bee0), ' ')
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _2053146)
   Exit: (209) [system] peek_char((0x563acd73bee0), a)
   Call: (209) [system] a=(;)
   Fail: (209) [system] a=(;)
   Call: (209) [system] a=(/)
   Fail: (209) [system] a=(/)
^  Call: (209) [user] is_like_space(a)
   Call: (210) [system] char_type(a, 'white')
   Fail: (210) [system] char_type(a, 'white')
   Call: (210) [system] char_type(a, end_of_line)
   Fail: (210) [system] char_type(a, end_of_line)
   Call: (210) [system] char_type(a, space)
   Fail: (210) [system] char_type(a, space)
   Call: (210) [system] char_type(a, cntrl)
   Fail: (210) [system] char_type(a, cntrl)
^  Fail: (209) [user] is_like_space(a)
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _2070080)
   Exit: (207) [system] peek_char((0x563acd73bee0), a)
   Call: (207) [system] a=')'
   Fail: (207) [system] a=')'
   Call: (207) [system] a=end_of_file
   Fail: (207) [system] a=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x563acd73bee0), _2075650)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _2077508)
   Exit: (209) [system] peek_char((0x563acd73bee0), a)
   Call: (209) [system] a=(;)
   Fail: (209) [system] a=(;)
   Call: (209) [system] a=(/)
   Fail: (209) [system] a=(/)
^  Call: (209) [user] is_like_space(a)
   Call: (210) [system] char_type(a, 'white')
   Fail: (210) [system] char_type(a, 'white')
   Call: (210) [system] char_type(a, end_of_line)
   Fail: (210) [system] char_type(a, end_of_line)
   Call: (210) [system] char_type(a, space)
   Fail: (210) [system] char_type(a, space)
   Call: (210) [system] char_type(a, cntrl)
   Fail: (210) [system] char_type(a, cntrl)
^  Fail: (209) [user] is_like_space(a)
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] get_char((0x563acd73bee0), _2093518)
   Exit: (208) [system] get_char((0x563acd73bee0), a)
   Call: (208) [system] a='('
   Fail: (208) [system] a='('
   Call: (208) [system] a='['
   Fail: (208) [system] a='['
   Call: (208) [system] a='{'
   Fail: (208) [system] a='{'
   Call: (208) [system] a='"'
   Fail: (208) [system] a='"'
   Call: (208) [system] a=!
   Fail: (208) [system] a=!
   Call: (208) [system] a='\''
   Fail: (208) [system] a='\''
   Call: (208) [system] a='`'
   Fail: (208) [system] a='`'
   Call: (208) [system] a=end_of_file
   Fail: (208) [system] a=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x563acd73bee0), a, _4556)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _18918)
   Call: (210) [system] peek_char((0x563acd73bee0), _19852)
   Exit: (210) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _18918=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (209) [user] classify_and_convert_charseq([a], _4556)
^  Call: (210) [user] classify_and_convert_charseq_([a], _29136)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_30088, _30090), once(user:catch(read_from_chars([a], _29136), _30070, fail)), '$restore_trace'(_30088, _30090))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_30088, _30090))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _30070, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(a)
   Exit: (211) [system] atomic(a)
^  Exit: (210) [user] classify_and_convert_charseq_([a], a)
   Call: (210) [system] integer(a)
   Fail: (210) [system] integer(a)
   Call: (210) [system] _4556=a
   Exit: (210) [system] a=a
^  Exit: (209) [user] classify_and_convert_charseq([a], a)
^  Exit: (208) [user] read_symbolic(')', (0x563acd73bee0), a, a)
^  Exit: (207) [user] cont_sexpr(')', (0x563acd73bee0), a)
^  Call: (207) [user] read_list(')', (0x563acd73bee0), _42216)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _44074)
   Exit: (209) [system] peek_char((0x563acd73bee0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x563acd73bee0), _53668)
   Exit: (209) [system] get_char((0x563acd73bee0), ' ')
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _56372)
   Exit: (210) [system] peek_char((0x563acd73bee0), a)
   Call: (210) [system] a=(;)
   Fail: (210) [system] a=(;)
   Call: (210) [system] a=(/)
   Fail: (210) [system] a=(/)
^  Call: (210) [user] is_like_space(a)
   Call: (211) [system] char_type(a, 'white')
   Fail: (211) [system] char_type(a, 'white')
   Call: (211) [system] char_type(a, end_of_line)
   Fail: (211) [system] char_type(a, end_of_line)
   Call: (211) [system] char_type(a, space)
   Fail: (211) [system] char_type(a, space)
   Call: (211) [system] char_type(a, cntrl)
   Fail: (211) [system] char_type(a, cntrl)
^  Fail: (210) [user] is_like_space(a)
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _73306)
   Exit: (208) [system] peek_char((0x563acd73bee0), a)
   Call: (208) [system] a=')'
   Fail: (208) [system] a=')'
   Call: (208) [system] a=end_of_file
   Fail: (208) [system] a=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x563acd73bee0), _78876)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _80734)
   Exit: (210) [system] peek_char((0x563acd73bee0), a)
   Call: (210) [system] a=(;)
   Fail: (210) [system] a=(;)
   Call: (210) [system] a=(/)
   Fail: (210) [system] a=(/)
^  Call: (210) [user] is_like_space(a)
   Call: (211) [system] char_type(a, 'white')
   Fail: (211) [system] char_type(a, 'white')
   Call: (211) [system] char_type(a, end_of_line)
   Fail: (211) [system] char_type(a, end_of_line)
   Call: (211) [system] char_type(a, space)
   Fail: (211) [system] char_type(a, space)
   Call: (211) [system] char_type(a, cntrl)
   Fail: (211) [system] char_type(a, cntrl)
^  Fail: (210) [user] is_like_space(a)
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] get_char((0x563acd73bee0), _96744)
   Exit: (209) [system] get_char((0x563acd73bee0), a)
   Call: (209) [system] a='('
   Fail: (209) [system] a='('
   Call: (209) [system] a='['
   Fail: (209) [system] a='['
   Call: (209) [system] a='{'
   Fail: (209) [system] a='{'
   Call: (209) [system] a='"'
   Fail: (209) [system] a='"'
   Call: (209) [system] a=!
   Fail: (209) [system] a=!
   Call: (209) [system] a='\''
   Fail: (209) [system] a='\''
   Call: (209) [system] a='`'
   Fail: (209) [system] a='`'
   Call: (209) [system] a=end_of_file
   Fail: (209) [system] a=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x563acd73bee0), a, _78876)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _114386)
   Call: (211) [system] peek_char((0x563acd73bee0), _115320)
   Exit: (211) [system] peek_char((0x563acd73bee0), b)
^  Call: (211) [user] is_delimiter(b)
   Call: (212) [system] char_type(b, space)
   Fail: (212) [system] char_type(b, space)
   Call: (212) [system] arg(_120040, v('(', ')', end_of_file), b)
   Fail: (212) [system] arg(_120972, v('(', ')', end_of_file), b)
^  Fail: (211) [user] is_delimiter(b)
   Call: (211) [system] ')'==b
   Fail: (211) [system] ')'==b
   Call: (211) [system] get_char((0x563acd73bee0), b)
   Exit: (211) [system] get_char((0x563acd73bee0), b)
   Call: (211) [system] b=(\)
   Fail: (211) [system] b=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _128322)
   Call: (212) [system] peek_char((0x563acd73bee0), _129256)
   Exit: (212) [system] peek_char((0x563acd73bee0), c)
^  Call: (212) [user] is_delimiter(c)
   Call: (213) [system] char_type(c, space)
   Fail: (213) [system] char_type(c, space)
   Call: (213) [system] arg(_133976, v('(', ')', end_of_file), c)
   Fail: (213) [system] arg(_134908, v('(', ')', end_of_file), c)
^  Fail: (212) [user] is_delimiter(c)
   Call: (212) [system] ')'==c
   Fail: (212) [system] ')'==c
   Call: (212) [system] get_char((0x563acd73bee0), c)
   Exit: (212) [system] get_char((0x563acd73bee0), c)
   Call: (212) [system] c=(\)
   Fail: (212) [system] c=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _142258)
   Call: (213) [system] peek_char((0x563acd73bee0), _143192)
   Exit: (213) [system] peek_char((0x563acd73bee0), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_147912, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _142258=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (212) [system] _128322=[c]
   Exit: (212) [system] [c]=[c]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [c])
   Call: (211) [system] _114386=[b, c]
   Exit: (211) [system] [b, c]=[b, c]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [b, c])
^  Call: (210) [user] classify_and_convert_charseq([a, b, c], _78876)
^  Call: (211) [user] classify_and_convert_charseq_([a, b, c], _159936)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_160888, _160890), once(user:catch(read_from_chars([a, b, c], _159936), _160870, fail)), '$restore_trace'(_160888, _160890))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_160888, _160890))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _160870, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(abc)
   Exit: (212) [system] atomic(abc)
^  Exit: (211) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (211) [system] integer(abc)
   Fail: (211) [system] integer(abc)
   Call: (211) [system] _78876=abc
   Exit: (211) [system] abc=abc
^  Exit: (210) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (209) [user] read_symbolic(')', (0x563acd73bee0), a, abc)
^  Exit: (208) [user] cont_sexpr(')', (0x563acd73bee0), abc)
^  Call: (208) [user] read_list(')', (0x563acd73bee0), _173016)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _174874)
   Exit: (210) [system] peek_char((0x563acd73bee0), ')')
   Call: (210) [system] ')'=(;)
   Fail: (210) [system] ')'=(;)
   Call: (210) [system] ')'=(/)
   Fail: (210) [system] ')'=(/)
^  Call: (210) [user] is_like_space(')')
   Call: (211) [system] char_type(')', 'white')
   Fail: (211) [system] char_type(')', 'white')
   Call: (211) [system] char_type(')', end_of_line)
   Fail: (211) [system] char_type(')', end_of_line)
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] char_type(')', cntrl)
   Fail: (211) [system] char_type(')', cntrl)
^  Fail: (210) [user] is_like_space(')')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _190884)
   Exit: (209) [system] peek_char((0x563acd73bee0), ')')
   Call: (209) [system] ')'=')'
   Exit: (209) [system] ')'=')'
   Call: (209) [system] get_char((0x563acd73bee0), _194674)
   Exit: (209) [system] get_char((0x563acd73bee0), ')')
   Call: (209) [system] _173016=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_list(')', (0x563acd73bee0), [])
   Call: (208) [system] _42216=[abc]
   Exit: (208) [system] [abc]=[abc]
^  Exit: (207) [user] read_list(')', (0x563acd73bee0), [abc])
   Call: (207) [system] _4552=[a, abc]
   Exit: (207) [system] [a, abc]=[a, abc]
^  Exit: (206) [user] read_list(')', (0x563acd73bee0), [a, abc])
   Call: (206) [system] _4544=['ConjunctionIntroduction', a, abc]
   Exit: (206) [system] ['ConjunctionIntroduction', a, abc]=['ConjunctionIntroduction', a, abc]
^  Exit: (205) [user] read_list(')', (0x563acd73bee0), ['ConjunctionIntroduction', a, abc])
^  Exit: (204) [user] cont_sexpr(')', (0x563acd73bee0), ['ConjunctionIntroduction', a, abc])
^  Call: (204) [user] read_list(')', (0x563acd73bee0), _208556)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _210414)
   Exit: (206) [system] peek_char((0x563acd73bee0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
   Call: (206) [system] ' '=(/)
   Fail: (206) [system] ' '=(/)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x563acd73bee0), _220008)
   Exit: (206) [system] get_char((0x563acd73bee0), ' ')
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _222712)
   Exit: (207) [system] peek_char((0x563acd73bee0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _239646)
   Exit: (205) [system] peek_char((0x563acd73bee0), '(')
   Call: (205) [system] '('=')'
   Fail: (205) [system] '('=')'
   Call: (205) [system] '('=end_of_file
   Fail: (205) [system] '('=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x563acd73bee0), _245216)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _247074)
   Exit: (207) [system] peek_char((0x563acd73bee0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] get_char((0x563acd73bee0), _263084)
   Exit: (206) [system] get_char((0x563acd73bee0), '(')
   Call: (206) [system] '('='('
   Exit: (206) [system] '('='('
^  Call: (206) [user] read_list(')', (0x563acd73bee0), _245216)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _268654)
   Exit: (208) [system] peek_char((0x563acd73bee0), 'A')
   Call: (208) [system] 'A'=(;)
   Fail: (208) [system] 'A'=(;)
   Call: (208) [system] 'A'=(/)
   Fail: (208) [system] 'A'=(/)
^  Call: (208) [user] is_like_space('A')
   Call: (209) [system] char_type('A', 'white')
   Fail: (209) [system] char_type('A', 'white')
   Call: (209) [system] char_type('A', end_of_line)
   Fail: (209) [system] char_type('A', end_of_line)
   Call: (209) [system] char_type('A', space)
   Fail: (209) [system] char_type('A', space)
   Call: (209) [system] char_type('A', cntrl)
   Fail: (209) [system] char_type('A', cntrl)
^  Fail: (208) [user] is_like_space('A')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _284664)
   Exit: (207) [system] peek_char((0x563acd73bee0), 'A')
   Call: (207) [system] 'A'=')'
   Fail: (207) [system] 'A'=')'
   Call: (207) [system] 'A'=end_of_file
   Fail: (207) [system] 'A'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x563acd73bee0), _290234)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _292092)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'A')
   Call: (209) [system] 'A'=(;)
   Fail: (209) [system] 'A'=(;)
   Call: (209) [system] 'A'=(/)
   Fail: (209) [system] 'A'=(/)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Fail: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Fail: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Fail: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
   Fail: (210) [system] char_type('A', cntrl)
^  Fail: (209) [user] is_like_space('A')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] get_char((0x563acd73bee0), _308102)
   Exit: (208) [system] get_char((0x563acd73bee0), 'A')
   Call: (208) [system] 'A'='('
   Fail: (208) [system] 'A'='('
   Call: (208) [system] 'A'='['
   Fail: (208) [system] 'A'='['
   Call: (208) [system] 'A'='{'
   Fail: (208) [system] 'A'='{'
   Call: (208) [system] 'A'='"'
   Fail: (208) [system] 'A'='"'
   Call: (208) [system] 'A'=!
   Fail: (208) [system] 'A'=!
   Call: (208) [system] 'A'='\''
   Fail: (208) [system] 'A'='\''
   Call: (208) [system] 'A'='`'
   Fail: (208) [system] 'A'='`'
   Call: (208) [system] 'A'=end_of_file
   Fail: (208) [system] 'A'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x563acd73bee0), 'A', _290234)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _325744)
   Call: (210) [system] peek_char((0x563acd73bee0), _326678)
   Exit: (210) [system] peek_char((0x563acd73bee0), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Fail: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_331398, v('(', ')', end_of_file), n)
   Fail: (211) [system] arg(_332330, v('(', ')', end_of_file), n)
^  Fail: (210) [user] is_delimiter(n)
   Call: (210) [system] ')'==n
   Fail: (210) [system] ')'==n
   Call: (210) [system] get_char((0x563acd73bee0), n)
   Exit: (210) [system] get_char((0x563acd73bee0), n)
   Call: (210) [system] n=(\)
   Fail: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _339680)
   Call: (211) [system] peek_char((0x563acd73bee0), _340614)
   Exit: (211) [system] peek_char((0x563acd73bee0), d)
^  Call: (211) [user] is_delimiter(d)
   Call: (212) [system] char_type(d, space)
   Fail: (212) [system] char_type(d, space)
   Call: (212) [system] arg(_345334, v('(', ')', end_of_file), d)
   Fail: (212) [system] arg(_346266, v('(', ')', end_of_file), d)
^  Fail: (211) [user] is_delimiter(d)
   Call: (211) [system] ')'==d
   Fail: (211) [system] ')'==d
   Call: (211) [system] get_char((0x563acd73bee0), d)
   Exit: (211) [system] get_char((0x563acd73bee0), d)
   Call: (211) [system] d=(\)
   Fail: (211) [system] d=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _353616)
   Call: (212) [system] peek_char((0x563acd73bee0), _354550)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (212) [user] is_delimiter('L')
   Call: (213) [system] char_type('L', space)
   Fail: (213) [system] char_type('L', space)
   Call: (213) [system] arg(_359270, v('(', ')', end_of_file), 'L')
   Fail: (213) [system] arg(_360202, v('(', ')', end_of_file), 'L')
^  Fail: (212) [user] is_delimiter('L')
   Call: (212) [system] ')'=='L'
   Fail: (212) [system] ')'=='L'
   Call: (212) [system] get_char((0x563acd73bee0), 'L')
   Exit: (212) [system] get_char((0x563acd73bee0), 'L')
   Call: (212) [system] 'L'=(\)
   Fail: (212) [system] 'L'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _367552)
   Call: (213) [system] peek_char((0x563acd73bee0), _368486)
   Exit: (213) [system] peek_char((0x563acd73bee0), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Fail: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_373206, v('(', ')', end_of_file), i)
   Fail: (214) [system] arg(_374138, v('(', ')', end_of_file), i)
^  Fail: (213) [user] is_delimiter(i)
   Call: (213) [system] ')'==i
   Fail: (213) [system] ')'==i
   Call: (213) [system] get_char((0x563acd73bee0), i)
   Exit: (213) [system] get_char((0x563acd73bee0), i)
   Call: (213) [system] i=(\)
   Fail: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _381488)
   Call: (214) [system] peek_char((0x563acd73bee0), _382422)
   Exit: (214) [system] peek_char((0x563acd73bee0), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_387142, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_388074, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x563acd73bee0), n)
   Exit: (214) [system] get_char((0x563acd73bee0), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _395424)
   Call: (215) [system] peek_char((0x563acd73bee0), _396358)
   Exit: (215) [system] peek_char((0x563acd73bee0), k)
^  Call: (215) [user] is_delimiter(k)
   Call: (216) [system] char_type(k, space)
   Fail: (216) [system] char_type(k, space)
   Call: (216) [system] arg(_401078, v('(', ')', end_of_file), k)
   Fail: (216) [system] arg(_402010, v('(', ')', end_of_file), k)
^  Fail: (215) [user] is_delimiter(k)
   Call: (215) [system] ')'==k
   Fail: (215) [system] ')'==k
   Call: (215) [system] get_char((0x563acd73bee0), k)
   Exit: (215) [system] get_char((0x563acd73bee0), k)
   Call: (215) [system] k=(\)
   Fail: (215) [system] k=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _409360)
   Call: (216) [system] peek_char((0x563acd73bee0), _410294)
   Exit: (216) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _409360=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (215) [system] _395424=[k]
   Exit: (215) [system] [k]=[k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (214) [system] _381488=[n, k]
   Exit: (214) [system] [n, k]=[n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (213) [system] _367552=[i, n, k]
   Exit: (213) [system] [i, n, k]=[i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (212) [system] _353616=['L', i, n, k]
   Exit: (212) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (211) [system] _339680=[d, 'L', i, n, k]
   Exit: (211) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, 'L', i, n, k])
   Call: (210) [system] _325744=[n, d, 'L', i, n, k]
   Exit: (210) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, d, 'L', i, n, k])
^  Call: (209) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _290234)
^  Call: (210) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _436342)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_437294, _437296), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _436342), _437276, fail)), '$restore_trace'(_437294, _437296))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_437294, _437296))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _436342), _437276, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_436342)
   Fail: (211) [system] atomic(_436342)
   Call: (211) [system] atom_chars(_436342, ['A', n, d, 'L', i, n, k])
   Exit: (211) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (210) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (210) [system] integer('AndLink')
   Fail: (210) [system] integer('AndLink')
   Call: (210) [system] _290234='AndLink'
   Exit: (210) [system] 'AndLink'='AndLink'
^  Exit: (209) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (208) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'AndLink')
^  Exit: (207) [user] cont_sexpr(')', (0x563acd73bee0), 'AndLink')
^  Call: (207) [user] read_list(')', (0x563acd73bee0), _451292)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _453150)
   Exit: (209) [system] peek_char((0x563acd73bee0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x563acd73bee0), _462744)
   Exit: (209) [system] get_char((0x563acd73bee0), ' ')
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _465448)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'A')
   Call: (210) [system] 'A'=(;)
   Fail: (210) [system] 'A'=(;)
   Call: (210) [system] 'A'=(/)
   Fail: (210) [system] 'A'=(/)
^  Call: (210) [user] is_like_space('A')
   Call: (211) [system] char_type('A', 'white')
   Fail: (211) [system] char_type('A', 'white')
   Call: (211) [system] char_type('A', end_of_line)
   Fail: (211) [system] char_type('A', end_of_line)
   Call: (211) [system] char_type('A', space)
   Fail: (211) [system] char_type('A', space)
   Call: (211) [system] char_type('A', cntrl)
   Fail: (211) [system] char_type('A', cntrl)
^  Fail: (210) [user] is_like_space('A')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _482382)
   Exit: (208) [system] peek_char((0x563acd73bee0), 'A')
   Call: (208) [system] 'A'=')'
   Fail: (208) [system] 'A'=')'
   Call: (208) [system] 'A'=end_of_file
   Fail: (208) [system] 'A'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x563acd73bee0), _487952)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _489810)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'A')
   Call: (210) [system] 'A'=(;)
   Fail: (210) [system] 'A'=(;)
   Call: (210) [system] 'A'=(/)
   Fail: (210) [system] 'A'=(/)
^  Call: (210) [user] is_like_space('A')
   Call: (211) [system] char_type('A', 'white')
   Fail: (211) [system] char_type('A', 'white')
   Call: (211) [system] char_type('A', end_of_line)
   Fail: (211) [system] char_type('A', end_of_line)
   Call: (211) [system] char_type('A', space)
   Fail: (211) [system] char_type('A', space)
   Call: (211) [system] char_type('A', cntrl)
   Fail: (211) [system] char_type('A', cntrl)
^  Fail: (210) [user] is_like_space('A')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] get_char((0x563acd73bee0), _505820)
   Exit: (209) [system] get_char((0x563acd73bee0), 'A')
   Call: (209) [system] 'A'='('
   Fail: (209) [system] 'A'='('
   Call: (209) [system] 'A'='['
   Fail: (209) [system] 'A'='['
   Call: (209) [system] 'A'='{'
   Fail: (209) [system] 'A'='{'
   Call: (209) [system] 'A'='"'
   Fail: (209) [system] 'A'='"'
   Call: (209) [system] 'A'=!
   Fail: (209) [system] 'A'=!
   Call: (209) [system] 'A'='\''
   Fail: (209) [system] 'A'='\''
   Call: (209) [system] 'A'='`'
   Fail: (209) [system] 'A'='`'
   Call: (209) [system] 'A'=end_of_file
   Fail: (209) [system] 'A'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x563acd73bee0), 'A', _487952)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _523462)
   Call: (211) [system] peek_char((0x563acd73bee0), _524396)
   Exit: (211) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _523462=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (210) [user] classify_and_convert_charseq(['A'], _487952)
^  Call: (211) [user] classify_and_convert_charseq_(['A'], _533680)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_534632, _534634), once(user:catch(read_from_chars(['A'], _533680), _534614, fail)), '$restore_trace'(_534632, _534634))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_534632, _534634))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _533680), _534614, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_533680)
   Fail: (212) [system] atomic(_533680)
   Call: (212) [system] atom_chars(_533680, ['A'])
   Exit: (212) [system] atom_chars('A', ['A'])
^  Exit: (211) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (211) [system] integer('A')
   Fail: (211) [system] integer('A')
   Call: (211) [system] _487952='A'
   Exit: (211) [system] 'A'='A'
^  Exit: (210) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (209) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (208) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (208) [user] read_list(')', (0x563acd73bee0), _548630)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _550488)
   Exit: (210) [system] peek_char((0x563acd73bee0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x563acd73bee0), _560082)
   Exit: (210) [system] get_char((0x563acd73bee0), ' ')
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _562786)
   Exit: (211) [system] peek_char((0x563acd73bee0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _579720)
   Exit: (209) [system] peek_char((0x563acd73bee0), '(')
   Call: (209) [system] '('=')'
   Fail: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
   Fail: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x563acd73bee0), _585290)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _587148)
   Exit: (211) [system] peek_char((0x563acd73bee0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] get_char((0x563acd73bee0), _603158)
   Exit: (210) [system] get_char((0x563acd73bee0), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x563acd73bee0), _585290)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _608728)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'I')
   Call: (212) [system] 'I'=(;)
   Fail: (212) [system] 'I'=(;)
   Call: (212) [system] 'I'=(/)
   Fail: (212) [system] 'I'=(/)
^  Call: (212) [user] is_like_space('I')
   Call: (213) [system] char_type('I', 'white')
   Fail: (213) [system] char_type('I', 'white')
   Call: (213) [system] char_type('I', end_of_line)
   Fail: (213) [system] char_type('I', end_of_line)
   Call: (213) [system] char_type('I', space)
   Fail: (213) [system] char_type('I', space)
   Call: (213) [system] char_type('I', cntrl)
   Fail: (213) [system] char_type('I', cntrl)
^  Fail: (212) [user] is_like_space('I')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _624738)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'I')
   Call: (211) [system] 'I'=')'
   Fail: (211) [system] 'I'=')'
   Call: (211) [system] 'I'=end_of_file
   Fail: (211) [system] 'I'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x563acd73bee0), _630308)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _632166)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'I')
   Call: (213) [system] 'I'=(;)
   Fail: (213) [system] 'I'=(;)
   Call: (213) [system] 'I'=(/)
   Fail: (213) [system] 'I'=(/)
^  Call: (213) [user] is_like_space('I')
   Call: (214) [system] char_type('I', 'white')
   Fail: (214) [system] char_type('I', 'white')
   Call: (214) [system] char_type('I', end_of_line)
   Fail: (214) [system] char_type('I', end_of_line)
   Call: (214) [system] char_type('I', space)
   Fail: (214) [system] char_type('I', space)
   Call: (214) [system] char_type('I', cntrl)
   Fail: (214) [system] char_type('I', cntrl)
^  Fail: (213) [user] is_like_space('I')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] get_char((0x563acd73bee0), _648176)
   Exit: (212) [system] get_char((0x563acd73bee0), 'I')
   Call: (212) [system] 'I'='('
   Fail: (212) [system] 'I'='('
   Call: (212) [system] 'I'='['
   Fail: (212) [system] 'I'='['
   Call: (212) [system] 'I'='{'
   Fail: (212) [system] 'I'='{'
   Call: (212) [system] 'I'='"'
   Fail: (212) [system] 'I'='"'
   Call: (212) [system] 'I'=!
   Fail: (212) [system] 'I'=!
   Call: (212) [system] 'I'='\''
   Fail: (212) [system] 'I'='\''
   Call: (212) [system] 'I'='`'
   Fail: (212) [system] 'I'='`'
   Call: (212) [system] 'I'=end_of_file
   Fail: (212) [system] 'I'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x563acd73bee0), 'I', _630308)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _665818)
   Call: (214) [system] peek_char((0x563acd73bee0), _666752)
   Exit: (214) [system] peek_char((0x563acd73bee0), m)
^  Call: (214) [user] is_delimiter(m)
   Call: (215) [system] char_type(m, space)
   Fail: (215) [system] char_type(m, space)
   Call: (215) [system] arg(_671472, v('(', ')', end_of_file), m)
   Fail: (215) [system] arg(_672404, v('(', ')', end_of_file), m)
^  Fail: (214) [user] is_delimiter(m)
   Call: (214) [system] ')'==m
   Fail: (214) [system] ')'==m
   Call: (214) [system] get_char((0x563acd73bee0), m)
   Exit: (214) [system] get_char((0x563acd73bee0), m)
   Call: (214) [system] m=(\)
   Fail: (214) [system] m=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _679754)
   Call: (215) [system] peek_char((0x563acd73bee0), _680688)
   Exit: (215) [system] peek_char((0x563acd73bee0), p)
^  Call: (215) [user] is_delimiter(p)
   Call: (216) [system] char_type(p, space)
   Fail: (216) [system] char_type(p, space)
   Call: (216) [system] arg(_685408, v('(', ')', end_of_file), p)
   Fail: (216) [system] arg(_686340, v('(', ')', end_of_file), p)
^  Fail: (215) [user] is_delimiter(p)
   Call: (215) [system] ')'==p
   Fail: (215) [system] ')'==p
   Call: (215) [system] get_char((0x563acd73bee0), p)
   Exit: (215) [system] get_char((0x563acd73bee0), p)
   Call: (215) [system] p=(\)
   Fail: (215) [system] p=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _693690)
   Call: (216) [system] peek_char((0x563acd73bee0), _694624)
   Exit: (216) [system] peek_char((0x563acd73bee0), l)
^  Call: (216) [user] is_delimiter(l)
   Call: (217) [system] char_type(l, space)
   Fail: (217) [system] char_type(l, space)
   Call: (217) [system] arg(_699344, v('(', ')', end_of_file), l)
   Fail: (217) [system] arg(_700276, v('(', ')', end_of_file), l)
^  Fail: (216) [user] is_delimiter(l)
   Call: (216) [system] ')'==l
   Fail: (216) [system] ')'==l
   Call: (216) [system] get_char((0x563acd73bee0), l)
   Exit: (216) [system] get_char((0x563acd73bee0), l)
   Call: (216) [system] l=(\)
   Fail: (216) [system] l=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _707626)
   Call: (217) [system] peek_char((0x563acd73bee0), _708560)
   Exit: (217) [system] peek_char((0x563acd73bee0), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_713280, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_714212, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x563acd73bee0), i)
   Exit: (217) [system] get_char((0x563acd73bee0), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _721562)
   Call: (218) [system] peek_char((0x563acd73bee0), _722496)
   Exit: (218) [system] peek_char((0x563acd73bee0), c)
^  Call: (218) [user] is_delimiter(c)
   Call: (219) [system] char_type(c, space)
   Fail: (219) [system] char_type(c, space)
   Call: (219) [system] arg(_727216, v('(', ')', end_of_file), c)
   Fail: (219) [system] arg(_728148, v('(', ')', end_of_file), c)
^  Fail: (218) [user] is_delimiter(c)
   Call: (218) [system] ')'==c
   Fail: (218) [system] ')'==c
   Call: (218) [system] get_char((0x563acd73bee0), c)
   Exit: (218) [system] get_char((0x563acd73bee0), c)
   Call: (218) [system] c=(\)
   Fail: (218) [system] c=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _735498)
   Call: (219) [system] peek_char((0x563acd73bee0), _736432)
   Exit: (219) [system] peek_char((0x563acd73bee0), a)
^  Call: (219) [user] is_delimiter(a)
   Call: (220) [system] char_type(a, space)
   Fail: (220) [system] char_type(a, space)
   Call: (220) [system] arg(_741152, v('(', ')', end_of_file), a)
   Fail: (220) [system] arg(_742084, v('(', ')', end_of_file), a)
^  Fail: (219) [user] is_delimiter(a)
   Call: (219) [system] ')'==a
   Fail: (219) [system] ')'==a
   Call: (219) [system] get_char((0x563acd73bee0), a)
   Exit: (219) [system] get_char((0x563acd73bee0), a)
   Call: (219) [system] a=(\)
   Fail: (219) [system] a=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _749434)
   Call: (220) [system] peek_char((0x563acd73bee0), _750368)
   Exit: (220) [system] peek_char((0x563acd73bee0), t)
^  Call: (220) [user] is_delimiter(t)
   Call: (221) [system] char_type(t, space)
   Fail: (221) [system] char_type(t, space)
   Call: (221) [system] arg(_755088, v('(', ')', end_of_file), t)
   Fail: (221) [system] arg(_756020, v('(', ')', end_of_file), t)
^  Fail: (220) [user] is_delimiter(t)
   Call: (220) [system] ')'==t
   Fail: (220) [system] ')'==t
   Call: (220) [system] get_char((0x563acd73bee0), t)
   Exit: (220) [system] get_char((0x563acd73bee0), t)
   Call: (220) [system] t=(\)
   Fail: (220) [system] t=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _763370)
   Call: (221) [system] peek_char((0x563acd73bee0), _764304)
   Exit: (221) [system] peek_char((0x563acd73bee0), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_769024, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_769956, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x563acd73bee0), i)
   Exit: (221) [system] get_char((0x563acd73bee0), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _777306)
   Call: (222) [system] peek_char((0x563acd73bee0), _778240)
   Exit: (222) [system] peek_char((0x563acd73bee0), o)
^  Call: (222) [user] is_delimiter(o)
   Call: (223) [system] char_type(o, space)
   Fail: (223) [system] char_type(o, space)
   Call: (223) [system] arg(_782960, v('(', ')', end_of_file), o)
   Fail: (223) [system] arg(_783892, v('(', ')', end_of_file), o)
^  Fail: (222) [user] is_delimiter(o)
   Call: (222) [system] ')'==o
   Fail: (222) [system] ')'==o
   Call: (222) [system] get_char((0x563acd73bee0), o)
   Exit: (222) [system] get_char((0x563acd73bee0), o)
   Call: (222) [system] o=(\)
   Fail: (222) [system] o=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _791242)
   Call: (223) [system] peek_char((0x563acd73bee0), _792176)
   Exit: (223) [system] peek_char((0x563acd73bee0), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_796896, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_797828, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x563acd73bee0), n)
   Exit: (223) [system] get_char((0x563acd73bee0), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _805178)
   Call: (224) [system] peek_char((0x563acd73bee0), _806112)
   Exit: (224) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _805178=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (223) [system] _791242=[n]
   Exit: (223) [system] [n]=[n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (222) [system] _777306=[o, n]
   Exit: (222) [system] [o, n]=[o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (221) [system] _763370=[i, o, n]
   Exit: (221) [system] [i, o, n]=[i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (220) [system] _749434=[t, i, o, n]
   Exit: (220) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (219) [system] _735498=[a, t, i, o, n]
   Exit: (219) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (218) [system] _721562=[c, a, t, i, o, n]
   Exit: (218) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (217) [system] _707626=[i, c, a, t, i, o, n]
   Exit: (217) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (216) [system] _693690=[l, i, c, a, t, i, o, n]
   Exit: (216) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (215) [system] _679754=[p, l, i, c, a, t, i, o, n]
   Exit: (215) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (214) [system] _665818=[m, p, l, i, c, a, t, i, o, n]
   Exit: (214) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (213) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _630308)
^  Call: (214) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _843336)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_844288, _844290), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _843336), _844270, fail)), '$restore_trace'(_844288, _844290))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_844288, _844290))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _843336), _844270, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_843336)
   Fail: (215) [system] atomic(_843336)
   Call: (215) [system] atom_chars(_843336, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (215) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (214) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (214) [system] integer('Implication')
   Fail: (214) [system] integer('Implication')
   Call: (214) [system] _630308='Implication'
   Exit: (214) [system] 'Implication'='Implication'
^  Exit: (213) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (212) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (211) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (211) [user] read_list(')', (0x563acd73bee0), _858286)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _860144)
   Exit: (213) [system] peek_char((0x563acd73bee0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x563acd73bee0), _869738)
   Exit: (213) [system] get_char((0x563acd73bee0), ' ')
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _872442)
   Exit: (214) [system] peek_char((0x563acd73bee0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _889376)
   Exit: (212) [system] peek_char((0x563acd73bee0), '(')
   Call: (212) [system] '('=')'
   Fail: (212) [system] '('=')'
   Call: (212) [system] '('=end_of_file
   Fail: (212) [system] '('=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x563acd73bee0), _894946)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _896804)
   Exit: (214) [system] peek_char((0x563acd73bee0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] get_char((0x563acd73bee0), _912814)
   Exit: (213) [system] get_char((0x563acd73bee0), '(')
   Call: (213) [system] '('='('
   Exit: (213) [system] '('='('
^  Call: (213) [user] read_list(')', (0x563acd73bee0), _894946)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _918384)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'A')
   Call: (215) [system] 'A'=(;)
   Fail: (215) [system] 'A'=(;)
   Call: (215) [system] 'A'=(/)
   Fail: (215) [system] 'A'=(/)
^  Call: (215) [user] is_like_space('A')
   Call: (216) [system] char_type('A', 'white')
   Fail: (216) [system] char_type('A', 'white')
   Call: (216) [system] char_type('A', end_of_line)
   Fail: (216) [system] char_type('A', end_of_line)
   Call: (216) [system] char_type('A', space)
   Fail: (216) [system] char_type('A', space)
   Call: (216) [system] char_type('A', cntrl)
   Fail: (216) [system] char_type('A', cntrl)
^  Fail: (215) [user] is_like_space('A')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _934394)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'A')
   Call: (214) [system] 'A'=')'
   Fail: (214) [system] 'A'=')'
   Call: (214) [system] 'A'=end_of_file
   Fail: (214) [system] 'A'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x563acd73bee0), _939964)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _941822)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'A')
   Call: (216) [system] 'A'=(;)
   Fail: (216) [system] 'A'=(;)
   Call: (216) [system] 'A'=(/)
   Fail: (216) [system] 'A'=(/)
^  Call: (216) [user] is_like_space('A')
   Call: (217) [system] char_type('A', 'white')
   Fail: (217) [system] char_type('A', 'white')
   Call: (217) [system] char_type('A', end_of_line)
   Fail: (217) [system] char_type('A', end_of_line)
   Call: (217) [system] char_type('A', space)
   Fail: (217) [system] char_type('A', space)
   Call: (217) [system] char_type('A', cntrl)
   Fail: (217) [system] char_type('A', cntrl)
^  Fail: (216) [user] is_like_space('A')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] get_char((0x563acd73bee0), _957832)
   Exit: (215) [system] get_char((0x563acd73bee0), 'A')
   Call: (215) [system] 'A'='('
   Fail: (215) [system] 'A'='('
   Call: (215) [system] 'A'='['
   Fail: (215) [system] 'A'='['
   Call: (215) [system] 'A'='{'
   Fail: (215) [system] 'A'='{'
   Call: (215) [system] 'A'='"'
   Fail: (215) [system] 'A'='"'
   Call: (215) [system] 'A'=!
   Fail: (215) [system] 'A'=!
   Call: (215) [system] 'A'='\''
   Fail: (215) [system] 'A'='\''
   Call: (215) [system] 'A'='`'
   Fail: (215) [system] 'A'='`'
   Call: (215) [system] 'A'=end_of_file
   Fail: (215) [system] 'A'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x563acd73bee0), 'A', _939964)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _975474)
   Call: (217) [system] peek_char((0x563acd73bee0), _976408)
   Exit: (217) [system] peek_char((0x563acd73bee0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_981128, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_982060, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x563acd73bee0), n)
   Exit: (217) [system] get_char((0x563acd73bee0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _989410)
   Call: (218) [system] peek_char((0x563acd73bee0), _990344)
   Exit: (218) [system] peek_char((0x563acd73bee0), d)
^  Call: (218) [user] is_delimiter(d)
   Call: (219) [system] char_type(d, space)
   Fail: (219) [system] char_type(d, space)
   Call: (219) [system] arg(_995064, v('(', ')', end_of_file), d)
   Fail: (219) [system] arg(_995996, v('(', ')', end_of_file), d)
^  Fail: (218) [user] is_delimiter(d)
   Call: (218) [system] ')'==d
   Fail: (218) [system] ')'==d
   Call: (218) [system] get_char((0x563acd73bee0), d)
   Exit: (218) [system] get_char((0x563acd73bee0), d)
   Call: (218) [system] d=(\)
   Fail: (218) [system] d=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _1003346)
   Call: (219) [system] peek_char((0x563acd73bee0), _1004280)
   Exit: (219) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (219) [user] is_delimiter('L')
   Call: (220) [system] char_type('L', space)
   Fail: (220) [system] char_type('L', space)
   Call: (220) [system] arg(_1009000, v('(', ')', end_of_file), 'L')
   Fail: (220) [system] arg(_1009932, v('(', ')', end_of_file), 'L')
^  Fail: (219) [user] is_delimiter('L')
   Call: (219) [system] ')'=='L'
   Fail: (219) [system] ')'=='L'
   Call: (219) [system] get_char((0x563acd73bee0), 'L')
   Exit: (219) [system] get_char((0x563acd73bee0), 'L')
   Call: (219) [system] 'L'=(\)
   Fail: (219) [system] 'L'=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _1017282)
   Call: (220) [system] peek_char((0x563acd73bee0), _1018216)
   Exit: (220) [system] peek_char((0x563acd73bee0), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_1022936, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_1023868, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x563acd73bee0), i)
   Exit: (220) [system] get_char((0x563acd73bee0), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _1031218)
   Call: (221) [system] peek_char((0x563acd73bee0), _1032152)
   Exit: (221) [system] peek_char((0x563acd73bee0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_1036872, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_1037804, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x563acd73bee0), n)
   Exit: (221) [system] get_char((0x563acd73bee0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _1045154)
   Call: (222) [system] peek_char((0x563acd73bee0), _1046088)
   Exit: (222) [system] peek_char((0x563acd73bee0), k)
^  Call: (222) [user] is_delimiter(k)
   Call: (223) [system] char_type(k, space)
   Fail: (223) [system] char_type(k, space)
   Call: (223) [system] arg(_1050808, v('(', ')', end_of_file), k)
   Fail: (223) [system] arg(_1051740, v('(', ')', end_of_file), k)
^  Fail: (222) [user] is_delimiter(k)
   Call: (222) [system] ')'==k
   Fail: (222) [system] ')'==k
   Call: (222) [system] get_char((0x563acd73bee0), k)
   Exit: (222) [system] get_char((0x563acd73bee0), k)
   Call: (222) [system] k=(\)
   Fail: (222) [system] k=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _1059090)
   Call: (223) [system] peek_char((0x563acd73bee0), _1060024)
   Exit: (223) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _1059090=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (222) [system] _1045154=[k]
   Exit: (222) [system] [k]=[k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (221) [system] _1031218=[n, k]
   Exit: (221) [system] [n, k]=[n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (220) [system] _1017282=[i, n, k]
   Exit: (220) [system] [i, n, k]=[i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (219) [system] _1003346=['L', i, n, k]
   Exit: (219) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (218) [system] _989410=[d, 'L', i, n, k]
   Exit: (218) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, 'L', i, n, k])
   Call: (217) [system] _975474=[n, d, 'L', i, n, k]
   Exit: (217) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, d, 'L', i, n, k])
^  Call: (216) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _939964)
^  Call: (217) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1086072)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1087024, _1087026), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1086072), _1087006, fail)), '$restore_trace'(_1087024, _1087026))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1087024, _1087026))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1086072), _1087006, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_1086072)
   Fail: (218) [system] atomic(_1086072)
   Call: (218) [system] atom_chars(_1086072, ['A', n, d, 'L', i, n, k])
   Exit: (218) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (217) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (217) [system] integer('AndLink')
   Fail: (217) [system] integer('AndLink')
   Call: (217) [system] _939964='AndLink'
   Exit: (217) [system] 'AndLink'='AndLink'
^  Exit: (216) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (215) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'AndLink')
^  Exit: (214) [user] cont_sexpr(')', (0x563acd73bee0), 'AndLink')
^  Call: (214) [user] read_list(')', (0x563acd73bee0), _1101022)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1102880)
   Exit: (216) [system] peek_char((0x563acd73bee0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x563acd73bee0), _1112474)
   Exit: (216) [system] get_char((0x563acd73bee0), ' ')
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1115178)
   Exit: (217) [system] peek_char((0x563acd73bee0), 'A')
   Call: (217) [system] 'A'=(;)
   Fail: (217) [system] 'A'=(;)
   Call: (217) [system] 'A'=(/)
   Fail: (217) [system] 'A'=(/)
^  Call: (217) [user] is_like_space('A')
   Call: (218) [system] char_type('A', 'white')
   Fail: (218) [system] char_type('A', 'white')
   Call: (218) [system] char_type('A', end_of_line)
   Fail: (218) [system] char_type('A', end_of_line)
   Call: (218) [system] char_type('A', space)
   Fail: (218) [system] char_type('A', space)
   Call: (218) [system] char_type('A', cntrl)
   Fail: (218) [system] char_type('A', cntrl)
^  Fail: (217) [user] is_like_space('A')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1132112)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'A')
   Call: (215) [system] 'A'=')'
   Fail: (215) [system] 'A'=')'
   Call: (215) [system] 'A'=end_of_file
   Fail: (215) [system] 'A'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x563acd73bee0), _1137682)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1139540)
   Exit: (217) [system] peek_char((0x563acd73bee0), 'A')
   Call: (217) [system] 'A'=(;)
   Fail: (217) [system] 'A'=(;)
   Call: (217) [system] 'A'=(/)
   Fail: (217) [system] 'A'=(/)
^  Call: (217) [user] is_like_space('A')
   Call: (218) [system] char_type('A', 'white')
   Fail: (218) [system] char_type('A', 'white')
   Call: (218) [system] char_type('A', end_of_line)
   Fail: (218) [system] char_type('A', end_of_line)
   Call: (218) [system] char_type('A', space)
   Fail: (218) [system] char_type('A', space)
   Call: (218) [system] char_type('A', cntrl)
   Fail: (218) [system] char_type('A', cntrl)
^  Fail: (217) [user] is_like_space('A')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] get_char((0x563acd73bee0), _1155550)
   Exit: (216) [system] get_char((0x563acd73bee0), 'A')
   Call: (216) [system] 'A'='('
   Fail: (216) [system] 'A'='('
   Call: (216) [system] 'A'='['
   Fail: (216) [system] 'A'='['
   Call: (216) [system] 'A'='{'
   Fail: (216) [system] 'A'='{'
   Call: (216) [system] 'A'='"'
   Fail: (216) [system] 'A'='"'
   Call: (216) [system] 'A'=!
   Fail: (216) [system] 'A'=!
   Call: (216) [system] 'A'='\''
   Fail: (216) [system] 'A'='\''
   Call: (216) [system] 'A'='`'
   Fail: (216) [system] 'A'='`'
   Call: (216) [system] 'A'=end_of_file
   Fail: (216) [system] 'A'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x563acd73bee0), 'A', _1137682)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _1173192)
   Call: (218) [system] peek_char((0x563acd73bee0), _1174126)
   Exit: (218) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _1173192=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (217) [user] classify_and_convert_charseq(['A'], _1137682)
^  Call: (218) [user] classify_and_convert_charseq_(['A'], _1183410)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_1184362, _1184364), once(user:catch(read_from_chars(['A'], _1183410), _1184344, fail)), '$restore_trace'(_1184362, _1184364))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_1184362, _1184364))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1183410), _1184344, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_1183410)
   Fail: (219) [system] atomic(_1183410)
   Call: (219) [system] atom_chars(_1183410, ['A'])
   Exit: (219) [system] atom_chars('A', ['A'])
^  Exit: (218) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (218) [system] integer('A')
   Fail: (218) [system] integer('A')
   Call: (218) [system] _1137682='A'
   Exit: (218) [system] 'A'='A'
^  Exit: (217) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (216) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (215) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (215) [user] read_list(')', (0x563acd73bee0), _1198360)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1200218)
   Exit: (217) [system] peek_char((0x563acd73bee0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x563acd73bee0), _1209812)
   Exit: (217) [system] get_char((0x563acd73bee0), ' ')
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _1212516)
   Exit: (218) [system] peek_char((0x563acd73bee0), 'B')
   Call: (218) [system] 'B'=(;)
   Fail: (218) [system] 'B'=(;)
   Call: (218) [system] 'B'=(/)
   Fail: (218) [system] 'B'=(/)
^  Call: (218) [user] is_like_space('B')
   Call: (219) [system] char_type('B', 'white')
   Fail: (219) [system] char_type('B', 'white')
   Call: (219) [system] char_type('B', end_of_line)
   Fail: (219) [system] char_type('B', end_of_line)
   Call: (219) [system] char_type('B', space)
   Fail: (219) [system] char_type('B', space)
   Call: (219) [system] char_type('B', cntrl)
   Fail: (219) [system] char_type('B', cntrl)
^  Fail: (218) [user] is_like_space('B')
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1229450)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'B')
   Call: (216) [system] 'B'=')'
   Fail: (216) [system] 'B'=')'
   Call: (216) [system] 'B'=end_of_file
   Fail: (216) [system] 'B'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x563acd73bee0), _1235020)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _1236878)
   Exit: (218) [system] peek_char((0x563acd73bee0), 'B')
   Call: (218) [system] 'B'=(;)
   Fail: (218) [system] 'B'=(;)
   Call: (218) [system] 'B'=(/)
   Fail: (218) [system] 'B'=(/)
^  Call: (218) [user] is_like_space('B')
   Call: (219) [system] char_type('B', 'white')
   Fail: (219) [system] char_type('B', 'white')
   Call: (219) [system] char_type('B', end_of_line)
   Fail: (219) [system] char_type('B', end_of_line)
   Call: (219) [system] char_type('B', space)
   Fail: (219) [system] char_type('B', space)
   Call: (219) [system] char_type('B', cntrl)
   Fail: (219) [system] char_type('B', cntrl)
^  Fail: (218) [user] is_like_space('B')
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] get_char((0x563acd73bee0), _1252888)
   Exit: (217) [system] get_char((0x563acd73bee0), 'B')
   Call: (217) [system] 'B'='('
   Fail: (217) [system] 'B'='('
   Call: (217) [system] 'B'='['
   Fail: (217) [system] 'B'='['
   Call: (217) [system] 'B'='{'
   Fail: (217) [system] 'B'='{'
   Call: (217) [system] 'B'='"'
   Fail: (217) [system] 'B'='"'
   Call: (217) [system] 'B'=!
   Fail: (217) [system] 'B'=!
   Call: (217) [system] 'B'='\''
   Fail: (217) [system] 'B'='\''
   Call: (217) [system] 'B'='`'
   Fail: (217) [system] 'B'='`'
   Call: (217) [system] 'B'=end_of_file
   Fail: (217) [system] 'B'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x563acd73bee0), 'B', _1235020)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _1270530)
   Call: (219) [system] peek_char((0x563acd73bee0), _1271464)
   Exit: (219) [system] peek_char((0x563acd73bee0), ')')
^  Call: (219) [user] is_delimiter(')')
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] arg(_1276184, v('(', ')', end_of_file), ')')
   Exit: (220) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (219) [user] is_delimiter(')')
   Call: (219) [system] _1270530=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (218) [user] classify_and_convert_charseq(['B'], _1235020)
^  Call: (219) [user] classify_and_convert_charseq_(['B'], _1282620)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_1283572, _1283574), once(user:catch(read_from_chars(['B'], _1282620), _1283554, fail)), '$restore_trace'(_1283572, _1283574))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_1283572, _1283574))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1282620), _1283554, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_1282620)
   Fail: (220) [system] atomic(_1282620)
   Call: (220) [system] atom_chars(_1282620, ['B'])
   Exit: (220) [system] atom_chars('B', ['B'])
^  Exit: (219) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (219) [system] integer('B')
   Fail: (219) [system] integer('B')
   Call: (219) [system] _1235020='B'
   Exit: (219) [system] 'B'='B'
^  Exit: (218) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (217) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (216) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (216) [user] read_list(')', (0x563acd73bee0), _1297570)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _1299428)
   Exit: (218) [system] peek_char((0x563acd73bee0), ')')
   Call: (218) [system] ')'=(;)
   Fail: (218) [system] ')'=(;)
   Call: (218) [system] ')'=(/)
   Fail: (218) [system] ')'=(/)
^  Call: (218) [user] is_like_space(')')
   Call: (219) [system] char_type(')', 'white')
   Fail: (219) [system] char_type(')', 'white')
   Call: (219) [system] char_type(')', end_of_line)
   Fail: (219) [system] char_type(')', end_of_line)
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] char_type(')', cntrl)
   Fail: (219) [system] char_type(')', cntrl)
^  Fail: (218) [user] is_like_space(')')
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1315438)
   Exit: (217) [system] peek_char((0x563acd73bee0), ')')
   Call: (217) [system] ')'=')'
   Exit: (217) [system] ')'=')'
   Call: (217) [system] get_char((0x563acd73bee0), _1319228)
   Exit: (217) [system] get_char((0x563acd73bee0), ')')
   Call: (217) [system] _1297570=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_list(')', (0x563acd73bee0), [])
   Call: (216) [system] _1198360=['B']
   Exit: (216) [system] ['B']=['B']
^  Exit: (215) [user] read_list(')', (0x563acd73bee0), ['B'])
   Call: (215) [system] _1101022=['A', 'B']
   Exit: (215) [system] ['A', 'B']=['A', 'B']
^  Exit: (214) [user] read_list(')', (0x563acd73bee0), ['A', 'B'])
   Call: (214) [system] _894946=['AndLink', 'A', 'B']
   Exit: (214) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (213) [user] read_list(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Exit: (212) [user] cont_sexpr(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Call: (212) [user] read_list(')', (0x563acd73bee0), _1333110)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1334968)
   Exit: (214) [system] peek_char((0x563acd73bee0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x563acd73bee0), _1344562)
   Exit: (214) [system] get_char((0x563acd73bee0), ' ')
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1347266)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'C')
   Call: (215) [system] 'C'=(;)
   Fail: (215) [system] 'C'=(;)
   Call: (215) [system] 'C'=(/)
   Fail: (215) [system] 'C'=(/)
^  Call: (215) [user] is_like_space('C')
   Call: (216) [system] char_type('C', 'white')
   Fail: (216) [system] char_type('C', 'white')
   Call: (216) [system] char_type('C', end_of_line)
   Fail: (216) [system] char_type('C', end_of_line)
   Call: (216) [system] char_type('C', space)
   Fail: (216) [system] char_type('C', space)
   Call: (216) [system] char_type('C', cntrl)
   Fail: (216) [system] char_type('C', cntrl)
^  Fail: (215) [user] is_like_space('C')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1364200)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'C')
   Call: (213) [system] 'C'=')'
   Fail: (213) [system] 'C'=')'
   Call: (213) [system] 'C'=end_of_file
   Fail: (213) [system] 'C'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x563acd73bee0), _1369770)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1371628)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'C')
   Call: (215) [system] 'C'=(;)
   Fail: (215) [system] 'C'=(;)
   Call: (215) [system] 'C'=(/)
   Fail: (215) [system] 'C'=(/)
^  Call: (215) [user] is_like_space('C')
   Call: (216) [system] char_type('C', 'white')
   Fail: (216) [system] char_type('C', 'white')
   Call: (216) [system] char_type('C', end_of_line)
   Fail: (216) [system] char_type('C', end_of_line)
   Call: (216) [system] char_type('C', space)
   Fail: (216) [system] char_type('C', space)
   Call: (216) [system] char_type('C', cntrl)
   Fail: (216) [system] char_type('C', cntrl)
^  Fail: (215) [user] is_like_space('C')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] get_char((0x563acd73bee0), _1387638)
   Exit: (214) [system] get_char((0x563acd73bee0), 'C')
   Call: (214) [system] 'C'='('
   Fail: (214) [system] 'C'='('
   Call: (214) [system] 'C'='['
   Fail: (214) [system] 'C'='['
   Call: (214) [system] 'C'='{'
   Fail: (214) [system] 'C'='{'
   Call: (214) [system] 'C'='"'
   Fail: (214) [system] 'C'='"'
   Call: (214) [system] 'C'=!
   Fail: (214) [system] 'C'=!
   Call: (214) [system] 'C'='\''
   Fail: (214) [system] 'C'='\''
   Call: (214) [system] 'C'='`'
   Fail: (214) [system] 'C'='`'
   Call: (214) [system] 'C'=end_of_file
   Fail: (214) [system] 'C'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x563acd73bee0), 'C', _1369770)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _1405280)
   Call: (216) [system] peek_char((0x563acd73bee0), _1406214)
   Exit: (216) [system] peek_char((0x563acd73bee0), ')')
^  Call: (216) [user] is_delimiter(')')
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] arg(_1410934, v('(', ')', end_of_file), ')')
   Exit: (217) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (216) [user] is_delimiter(')')
   Call: (216) [system] _1405280=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (215) [user] classify_and_convert_charseq(['C'], _1369770)
^  Call: (216) [user] classify_and_convert_charseq_(['C'], _1417370)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1418322, _1418324), once(user:catch(read_from_chars(['C'], _1417370), _1418304, fail)), '$restore_trace'(_1418322, _1418324))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1418322, _1418324))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1417370), _1418304, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_1417370)
   Fail: (217) [system] atomic(_1417370)
   Call: (217) [system] atom_chars(_1417370, ['C'])
   Exit: (217) [system] atom_chars('C', ['C'])
^  Exit: (216) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (216) [system] integer('C')
   Fail: (216) [system] integer('C')
   Call: (216) [system] _1369770='C'
   Exit: (216) [system] 'C'='C'
^  Exit: (215) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (214) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (213) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (213) [user] read_list(')', (0x563acd73bee0), _1432320)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1434178)
   Exit: (215) [system] peek_char((0x563acd73bee0), ')')
   Call: (215) [system] ')'=(;)
   Fail: (215) [system] ')'=(;)
   Call: (215) [system] ')'=(/)
   Fail: (215) [system] ')'=(/)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Fail: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Fail: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
   Fail: (216) [system] char_type(')', cntrl)
^  Fail: (215) [user] is_like_space(')')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1450188)
   Exit: (214) [system] peek_char((0x563acd73bee0), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x563acd73bee0), _1453978)
   Exit: (214) [system] get_char((0x563acd73bee0), ')')
   Call: (214) [system] _1432320=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x563acd73bee0), [])
   Call: (213) [system] _1333110=['C']
   Exit: (213) [system] ['C']=['C']
^  Exit: (212) [user] read_list(')', (0x563acd73bee0), ['C'])
   Call: (212) [system] _858286=[['AndLink', 'A', 'B'], 'C']
   Exit: (212) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (211) [user] read_list(')', (0x563acd73bee0), [['AndLink', 'A', 'B'], 'C'])
   Call: (211) [system] _585290=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (211) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (210) [user] read_list(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (209) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (209) [user] read_list(')', (0x563acd73bee0), _1467860)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1469718)
   Exit: (211) [system] peek_char((0x563acd73bee0), ')')
   Call: (211) [system] ')'=(;)
   Fail: (211) [system] ')'=(;)
   Call: (211) [system] ')'=(/)
   Fail: (211) [system] ')'=(/)
^  Call: (211) [user] is_like_space(')')
   Call: (212) [system] char_type(')', 'white')
   Fail: (212) [system] char_type(')', 'white')
   Call: (212) [system] char_type(')', end_of_line)
   Fail: (212) [system] char_type(')', end_of_line)
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] char_type(')', cntrl)
   Fail: (212) [system] char_type(')', cntrl)
^  Fail: (211) [user] is_like_space(')')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1485728)
   Exit: (210) [system] peek_char((0x563acd73bee0), ')')
   Call: (210) [system] ')'=')'
   Exit: (210) [system] ')'=')'
   Call: (210) [system] get_char((0x563acd73bee0), _1489518)
   Exit: (210) [system] get_char((0x563acd73bee0), ')')
   Call: (210) [system] _1467860=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_list(')', (0x563acd73bee0), [])
   Call: (209) [system] _548630=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (209) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (208) [user] read_list(')', (0x563acd73bee0), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (208) [system] _451292=['A', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (208) [system] ['A', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['A', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (207) [user] read_list(')', (0x563acd73bee0), ['A', ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (207) [system] _245216=['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (207) [system] ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (206) [user] read_list(')', (0x563acd73bee0), ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (205) [user] cont_sexpr(')', (0x563acd73bee0), ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (205) [user] read_list(')', (0x563acd73bee0), _1503400)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1505258)
   Exit: (207) [system] peek_char((0x563acd73bee0), ')')
   Call: (207) [system] ')'=(;)
   Fail: (207) [system] ')'=(;)
   Call: (207) [system] ')'=(/)
   Fail: (207) [system] ')'=(/)
^  Call: (207) [user] is_like_space(')')
   Call: (208) [system] char_type(')', 'white')
   Fail: (208) [system] char_type(')', 'white')
   Call: (208) [system] char_type(')', end_of_line)
   Fail: (208) [system] char_type(')', end_of_line)
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] char_type(')', cntrl)
   Fail: (208) [system] char_type(')', cntrl)
^  Fail: (207) [user] is_like_space(')')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1521268)
   Exit: (206) [system] peek_char((0x563acd73bee0), ')')
   Call: (206) [system] ')'=')'
   Exit: (206) [system] ')'=')'
   Call: (206) [system] get_char((0x563acd73bee0), _1525058)
   Exit: (206) [system] get_char((0x563acd73bee0), ')')
   Call: (206) [system] _1503400=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_list(')', (0x563acd73bee0), [])
   Call: (205) [system] _208556=[['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (205) [system] [['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (204) [user] read_list(')', (0x563acd73bee0), [['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (204) [system] _4540=[['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (204) [system] [['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (203) [user] read_list(')', (0x563acd73bee0), [['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (203) [system] _4532=[:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (203) [system] [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (202) [user] read_list(')', (0x563acd73bee0), [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (201) [user] cont_sexpr(')', (0x563acd73bee0), [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (201) [user] read_list(')', (0x563acd73bee0), _1538940)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1540798)
   Exit: (203) [system] peek_char((0x563acd73bee0), '\n')
   Call: (203) [system] '\n'=(;)
   Fail: (203) [system] '\n'=(;)
   Call: (203) [system] '\n'=(/)
   Fail: (203) [system] '\n'=(/)
^  Call: (203) [user] is_like_space('\n')
   Call: (204) [system] char_type('\n', 'white')
   Fail: (204) [system] char_type('\n', 'white')
   Call: (204) [system] char_type('\n', end_of_line)
   Exit: (204) [system] char_type('\n', end_of_line)
^  Exit: (203) [user] is_like_space('\n')
   Call: (203) [system] get_char((0x563acd73bee0), _1552248)
   Exit: (203) [system] get_char((0x563acd73bee0), '\n')
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1554952)
   Exit: (204) [system] peek_char((0x563acd73bee0), '\t')
   Call: (204) [system] '\t'=(;)
   Fail: (204) [system] '\t'=(;)
   Call: (204) [system] '\t'=(/)
   Fail: (204) [system] '\t'=(/)
^  Call: (204) [user] is_like_space('\t')
   Call: (205) [system] char_type('\t', 'white')
   Exit: (205) [system] char_type('\t', 'white')
^  Exit: (204) [user] is_like_space('\t')
   Call: (204) [system] get_char((0x563acd73bee0), _1564546)
   Exit: (204) [system] get_char((0x563acd73bee0), '\t')
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1567250)
   Exit: (205) [system] peek_char((0x563acd73bee0), '\t')
   Call: (205) [system] '\t'=(;)
   Fail: (205) [system] '\t'=(;)
   Call: (205) [system] '\t'=(/)
   Fail: (205) [system] '\t'=(/)
^  Call: (205) [user] is_like_space('\t')
   Call: (206) [system] char_type('\t', 'white')
   Exit: (206) [system] char_type('\t', 'white')
^  Exit: (205) [user] is_like_space('\t')
   Call: (205) [system] get_char((0x563acd73bee0), _1576844)
   Exit: (205) [system] get_char((0x563acd73bee0), '\t')
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1579548)
   Exit: (206) [system] peek_char((0x563acd73bee0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
   Call: (206) [system] ' '=(/)
   Fail: (206) [system] ' '=(/)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x563acd73bee0), _1589142)
   Exit: (206) [system] get_char((0x563acd73bee0), ' ')
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1591846)
   Exit: (207) [system] peek_char((0x563acd73bee0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1611552)
   Exit: (202) [system] peek_char((0x563acd73bee0), '(')
   Call: (202) [system] '('=')'
   Fail: (202) [system] '('=')'
   Call: (202) [system] '('=end_of_file
   Fail: (202) [system] '('=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x563acd73bee0), _1617122)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1618980)
   Exit: (204) [system] peek_char((0x563acd73bee0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
   Call: (204) [system] '('=(/)
   Fail: (204) [system] '('=(/)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] get_char((0x563acd73bee0), _1634990)
   Exit: (203) [system] get_char((0x563acd73bee0), '(')
   Call: (203) [system] '('='('
   Exit: (203) [system] '('='('
^  Call: (203) [user] read_list(')', (0x563acd73bee0), _1617122)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1640560)
   Exit: (205) [system] peek_char((0x563acd73bee0), :)
   Call: (205) [system] (:)=(;)
   Fail: (205) [system] (:)=(;)
   Call: (205) [system] (:)=(/)
   Fail: (205) [system] (:)=(/)
^  Call: (205) [user] is_like_space(:)
   Call: (206) [system] char_type(:, 'white')
   Fail: (206) [system] char_type(:, 'white')
   Call: (206) [system] char_type(:, end_of_line)
   Fail: (206) [system] char_type(:, end_of_line)
   Call: (206) [system] char_type(:, space)
   Fail: (206) [system] char_type(:, space)
   Call: (206) [system] char_type(:, cntrl)
   Fail: (206) [system] char_type(:, cntrl)
^  Fail: (205) [user] is_like_space(:)
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1656570)
   Exit: (204) [system] peek_char((0x563acd73bee0), :)
   Call: (204) [system] (:)=')'
   Fail: (204) [system] (:)=')'
   Call: (204) [system] (:)=end_of_file
   Fail: (204) [system] (:)=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x563acd73bee0), _1662140)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1663998)
   Exit: (206) [system] peek_char((0x563acd73bee0), :)
   Call: (206) [system] (:)=(;)
   Fail: (206) [system] (:)=(;)
   Call: (206) [system] (:)=(/)
   Fail: (206) [system] (:)=(/)
^  Call: (206) [user] is_like_space(:)
   Call: (207) [system] char_type(:, 'white')
   Fail: (207) [system] char_type(:, 'white')
   Call: (207) [system] char_type(:, end_of_line)
   Fail: (207) [system] char_type(:, end_of_line)
   Call: (207) [system] char_type(:, space)
   Fail: (207) [system] char_type(:, space)
   Call: (207) [system] char_type(:, cntrl)
   Fail: (207) [system] char_type(:, cntrl)
^  Fail: (206) [user] is_like_space(:)
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] get_char((0x563acd73bee0), _1680008)
   Exit: (205) [system] get_char((0x563acd73bee0), :)
   Call: (205) [system] (:)='('
   Fail: (205) [system] (:)='('
   Call: (205) [system] (:)='['
   Fail: (205) [system] (:)='['
   Call: (205) [system] (:)='{'
   Fail: (205) [system] (:)='{'
   Call: (205) [system] (:)='"'
   Fail: (205) [system] (:)='"'
   Call: (205) [system] (:)=!
   Fail: (205) [system] (:)=!
   Call: (205) [system] (:)='\''
   Fail: (205) [system] (:)='\''
   Call: (205) [system] (:)='`'
   Fail: (205) [system] (:)='`'
   Call: (205) [system] (:)=end_of_file
   Fail: (205) [system] (:)=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x563acd73bee0), :, _1662140)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1697650)
   Call: (207) [system] peek_char((0x563acd73bee0), _1698584)
   Exit: (207) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _1697650=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (206) [user] classify_and_convert_charseq([:], _1662140)
^  Call: (207) [user] classify_and_convert_charseq_([:], _1707868)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_1708820, _1708822), once(user:catch(read_from_chars([:], _1707868), _1708802, fail)), '$restore_trace'(_1708820, _1708822))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_1708820, _1708822))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1708802, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(:)
   Exit: (208) [system] atomic(:)
^  Exit: (207) [user] classify_and_convert_charseq_([:], :)
   Call: (207) [system] integer(:)
   Fail: (207) [system] integer(:)
   Call: (207) [system] _1662140=(:)
   Exit: (207) [system] (:)=(:)
^  Exit: (206) [user] classify_and_convert_charseq([:], :)
^  Exit: (205) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (204) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (204) [user] read_list(')', (0x563acd73bee0), _1720948)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1722806)
   Exit: (206) [system] peek_char((0x563acd73bee0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
   Call: (206) [system] ' '=(/)
   Fail: (206) [system] ' '=(/)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x563acd73bee0), _1732400)
   Exit: (206) [system] get_char((0x563acd73bee0), ' ')
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1735104)
   Exit: (207) [system] peek_char((0x563acd73bee0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1752038)
   Exit: (205) [system] peek_char((0x563acd73bee0), '(')
   Call: (205) [system] '('=')'
   Fail: (205) [system] '('=')'
   Call: (205) [system] '('=end_of_file
   Fail: (205) [system] '('=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x563acd73bee0), _1757608)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1759466)
   Exit: (207) [system] peek_char((0x563acd73bee0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] get_char((0x563acd73bee0), _1775476)
   Exit: (206) [system] get_char((0x563acd73bee0), '(')
   Call: (206) [system] '('='('
   Exit: (206) [system] '('='('
^  Call: (206) [user] read_list(')', (0x563acd73bee0), _1757608)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1781046)
   Exit: (208) [system] peek_char((0x563acd73bee0), 'C')
   Call: (208) [system] 'C'=(;)
   Fail: (208) [system] 'C'=(;)
   Call: (208) [system] 'C'=(/)
   Fail: (208) [system] 'C'=(/)
^  Call: (208) [user] is_like_space('C')
   Call: (209) [system] char_type('C', 'white')
   Fail: (209) [system] char_type('C', 'white')
   Call: (209) [system] char_type('C', end_of_line)
   Fail: (209) [system] char_type('C', end_of_line)
   Call: (209) [system] char_type('C', space)
   Fail: (209) [system] char_type('C', space)
   Call: (209) [system] char_type('C', cntrl)
   Fail: (209) [system] char_type('C', cntrl)
^  Fail: (208) [user] is_like_space('C')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1797056)
   Exit: (207) [system] peek_char((0x563acd73bee0), 'C')
   Call: (207) [system] 'C'=')'
   Fail: (207) [system] 'C'=')'
   Call: (207) [system] 'C'=end_of_file
   Fail: (207) [system] 'C'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x563acd73bee0), _1802626)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1804484)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'C')
   Call: (209) [system] 'C'=(;)
   Fail: (209) [system] 'C'=(;)
   Call: (209) [system] 'C'=(/)
   Fail: (209) [system] 'C'=(/)
^  Call: (209) [user] is_like_space('C')
   Call: (210) [system] char_type('C', 'white')
   Fail: (210) [system] char_type('C', 'white')
   Call: (210) [system] char_type('C', end_of_line)
   Fail: (210) [system] char_type('C', end_of_line)
   Call: (210) [system] char_type('C', space)
   Fail: (210) [system] char_type('C', space)
   Call: (210) [system] char_type('C', cntrl)
   Fail: (210) [system] char_type('C', cntrl)
^  Fail: (209) [user] is_like_space('C')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] get_char((0x563acd73bee0), _1820494)
   Exit: (208) [system] get_char((0x563acd73bee0), 'C')
   Call: (208) [system] 'C'='('
   Fail: (208) [system] 'C'='('
   Call: (208) [system] 'C'='['
   Fail: (208) [system] 'C'='['
   Call: (208) [system] 'C'='{'
   Fail: (208) [system] 'C'='{'
   Call: (208) [system] 'C'='"'
   Fail: (208) [system] 'C'='"'
   Call: (208) [system] 'C'=!
   Fail: (208) [system] 'C'=!
   Call: (208) [system] 'C'='\''
   Fail: (208) [system] 'C'='\''
   Call: (208) [system] 'C'='`'
   Fail: (208) [system] 'C'='`'
   Call: (208) [system] 'C'=end_of_file
   Fail: (208) [system] 'C'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x563acd73bee0), 'C', _1802626)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1838136)
   Call: (210) [system] peek_char((0x563acd73bee0), _1839070)
   Exit: (210) [system] peek_char((0x563acd73bee0), o)
^  Call: (210) [user] is_delimiter(o)
   Call: (211) [system] char_type(o, space)
   Fail: (211) [system] char_type(o, space)
   Call: (211) [system] arg(_1843790, v('(', ')', end_of_file), o)
   Fail: (211) [system] arg(_1844722, v('(', ')', end_of_file), o)
^  Fail: (210) [user] is_delimiter(o)
   Call: (210) [system] ')'==o
   Fail: (210) [system] ')'==o
   Call: (210) [system] get_char((0x563acd73bee0), o)
   Exit: (210) [system] get_char((0x563acd73bee0), o)
   Call: (210) [system] o=(\)
   Fail: (210) [system] o=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1852072)
   Call: (211) [system] peek_char((0x563acd73bee0), _1853006)
   Exit: (211) [system] peek_char((0x563acd73bee0), n)
^  Call: (211) [user] is_delimiter(n)
   Call: (212) [system] char_type(n, space)
   Fail: (212) [system] char_type(n, space)
   Call: (212) [system] arg(_1857726, v('(', ')', end_of_file), n)
   Fail: (212) [system] arg(_1858658, v('(', ')', end_of_file), n)
^  Fail: (211) [user] is_delimiter(n)
   Call: (211) [system] ')'==n
   Fail: (211) [system] ')'==n
   Call: (211) [system] get_char((0x563acd73bee0), n)
   Exit: (211) [system] get_char((0x563acd73bee0), n)
   Call: (211) [system] n=(\)
   Fail: (211) [system] n=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1866008)
   Call: (212) [system] peek_char((0x563acd73bee0), _1866942)
   Exit: (212) [system] peek_char((0x563acd73bee0), j)
^  Call: (212) [user] is_delimiter(j)
   Call: (213) [system] char_type(j, space)
   Fail: (213) [system] char_type(j, space)
   Call: (213) [system] arg(_1871662, v('(', ')', end_of_file), j)
   Fail: (213) [system] arg(_1872594, v('(', ')', end_of_file), j)
^  Fail: (212) [user] is_delimiter(j)
   Call: (212) [system] ')'==j
   Fail: (212) [system] ')'==j
   Call: (212) [system] get_char((0x563acd73bee0), j)
   Exit: (212) [system] get_char((0x563acd73bee0), j)
   Call: (212) [system] j=(\)
   Fail: (212) [system] j=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _1879944)
   Call: (213) [system] peek_char((0x563acd73bee0), _1880878)
   Exit: (213) [system] peek_char((0x563acd73bee0), u)
^  Call: (213) [user] is_delimiter(u)
   Call: (214) [system] char_type(u, space)
   Fail: (214) [system] char_type(u, space)
   Call: (214) [system] arg(_1885598, v('(', ')', end_of_file), u)
   Fail: (214) [system] arg(_1886530, v('(', ')', end_of_file), u)
^  Fail: (213) [user] is_delimiter(u)
   Call: (213) [system] ')'==u
   Fail: (213) [system] ')'==u
   Call: (213) [system] get_char((0x563acd73bee0), u)
   Exit: (213) [system] get_char((0x563acd73bee0), u)
   Call: (213) [system] u=(\)
   Fail: (213) [system] u=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _1893880)
   Call: (214) [system] peek_char((0x563acd73bee0), _1894814)
   Exit: (214) [system] peek_char((0x563acd73bee0), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_1899534, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_1900466, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x563acd73bee0), n)
   Exit: (214) [system] get_char((0x563acd73bee0), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _1907816)
   Call: (215) [system] peek_char((0x563acd73bee0), _1908750)
   Exit: (215) [system] peek_char((0x563acd73bee0), c)
^  Call: (215) [user] is_delimiter(c)
   Call: (216) [system] char_type(c, space)
   Fail: (216) [system] char_type(c, space)
   Call: (216) [system] arg(_1913470, v('(', ')', end_of_file), c)
   Fail: (216) [system] arg(_1914402, v('(', ')', end_of_file), c)
^  Fail: (215) [user] is_delimiter(c)
   Call: (215) [system] ')'==c
   Fail: (215) [system] ')'==c
   Call: (215) [system] get_char((0x563acd73bee0), c)
   Exit: (215) [system] get_char((0x563acd73bee0), c)
   Call: (215) [system] c=(\)
   Fail: (215) [system] c=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _1921752)
   Call: (216) [system] peek_char((0x563acd73bee0), _1922686)
   Exit: (216) [system] peek_char((0x563acd73bee0), t)
^  Call: (216) [user] is_delimiter(t)
   Call: (217) [system] char_type(t, space)
   Fail: (217) [system] char_type(t, space)
   Call: (217) [system] arg(_1927406, v('(', ')', end_of_file), t)
   Fail: (217) [system] arg(_1928338, v('(', ')', end_of_file), t)
^  Fail: (216) [user] is_delimiter(t)
   Call: (216) [system] ')'==t
   Fail: (216) [system] ')'==t
   Call: (216) [system] get_char((0x563acd73bee0), t)
   Exit: (216) [system] get_char((0x563acd73bee0), t)
   Call: (216) [system] t=(\)
   Fail: (216) [system] t=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _1935688)
   Call: (217) [system] peek_char((0x563acd73bee0), _1936622)
   Exit: (217) [system] peek_char((0x563acd73bee0), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_1941342, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_1942274, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x563acd73bee0), i)
   Exit: (217) [system] get_char((0x563acd73bee0), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _1949624)
   Call: (218) [system] peek_char((0x563acd73bee0), _1950558)
   Exit: (218) [system] peek_char((0x563acd73bee0), o)
^  Call: (218) [user] is_delimiter(o)
   Call: (219) [system] char_type(o, space)
   Fail: (219) [system] char_type(o, space)
   Call: (219) [system] arg(_1955278, v('(', ')', end_of_file), o)
   Fail: (219) [system] arg(_1956210, v('(', ')', end_of_file), o)
^  Fail: (218) [user] is_delimiter(o)
   Call: (218) [system] ')'==o
   Fail: (218) [system] ')'==o
   Call: (218) [system] get_char((0x563acd73bee0), o)
   Exit: (218) [system] get_char((0x563acd73bee0), o)
   Call: (218) [system] o=(\)
   Fail: (218) [system] o=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _1963560)
   Call: (219) [system] peek_char((0x563acd73bee0), _1964494)
   Exit: (219) [system] peek_char((0x563acd73bee0), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_1969214, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_1970146, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x563acd73bee0), n)
   Exit: (219) [system] get_char((0x563acd73bee0), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _1977496)
   Call: (220) [system] peek_char((0x563acd73bee0), _1978430)
   Exit: (220) [system] peek_char((0x563acd73bee0), 'I')
^  Call: (220) [user] is_delimiter('I')
   Call: (221) [system] char_type('I', space)
   Fail: (221) [system] char_type('I', space)
   Call: (221) [system] arg(_1983150, v('(', ')', end_of_file), 'I')
   Fail: (221) [system] arg(_1984082, v('(', ')', end_of_file), 'I')
^  Fail: (220) [user] is_delimiter('I')
   Call: (220) [system] ')'=='I'
   Fail: (220) [system] ')'=='I'
   Call: (220) [system] get_char((0x563acd73bee0), 'I')
   Exit: (220) [system] get_char((0x563acd73bee0), 'I')
   Call: (220) [system] 'I'=(\)
   Fail: (220) [system] 'I'=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _1991432)
   Call: (221) [system] peek_char((0x563acd73bee0), _1992366)
   Exit: (221) [system] peek_char((0x563acd73bee0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_1997086, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_1998018, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x563acd73bee0), n)
   Exit: (221) [system] get_char((0x563acd73bee0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _2005368)
   Call: (222) [system] peek_char((0x563acd73bee0), _2006302)
   Exit: (222) [system] peek_char((0x563acd73bee0), t)
^  Call: (222) [user] is_delimiter(t)
   Call: (223) [system] char_type(t, space)
   Fail: (223) [system] char_type(t, space)
   Call: (223) [system] arg(_2011022, v('(', ')', end_of_file), t)
   Fail: (223) [system] arg(_2011954, v('(', ')', end_of_file), t)
^  Fail: (222) [user] is_delimiter(t)
   Call: (222) [system] ')'==t
   Fail: (222) [system] ')'==t
   Call: (222) [system] get_char((0x563acd73bee0), t)
   Exit: (222) [system] get_char((0x563acd73bee0), t)
   Call: (222) [system] t=(\)
   Fail: (222) [system] t=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _2019304)
   Call: (223) [system] peek_char((0x563acd73bee0), _2020238)
   Exit: (223) [system] peek_char((0x563acd73bee0), r)
^  Call: (223) [user] is_delimiter(r)
   Call: (224) [system] char_type(r, space)
   Fail: (224) [system] char_type(r, space)
   Call: (224) [system] arg(_2024958, v('(', ')', end_of_file), r)
   Fail: (224) [system] arg(_2025890, v('(', ')', end_of_file), r)
^  Fail: (223) [user] is_delimiter(r)
   Call: (223) [system] ')'==r
   Fail: (223) [system] ')'==r
   Call: (223) [system] get_char((0x563acd73bee0), r)
   Exit: (223) [system] get_char((0x563acd73bee0), r)
   Call: (223) [system] r=(\)
   Fail: (223) [system] r=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _2033240)
   Call: (224) [system] peek_char((0x563acd73bee0), _2034174)
   Exit: (224) [system] peek_char((0x563acd73bee0), o)
^  Call: (224) [user] is_delimiter(o)
   Call: (225) [system] char_type(o, space)
   Fail: (225) [system] char_type(o, space)
   Call: (225) [system] arg(_2038894, v('(', ')', end_of_file), o)
   Fail: (225) [system] arg(_2039826, v('(', ')', end_of_file), o)
^  Fail: (224) [user] is_delimiter(o)
   Call: (224) [system] ')'==o
   Fail: (224) [system] ')'==o
   Call: (224) [system] get_char((0x563acd73bee0), o)
   Exit: (224) [system] get_char((0x563acd73bee0), o)
   Call: (224) [system] o=(\)
   Fail: (224) [system] o=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _2047176)
   Call: (225) [system] peek_char((0x563acd73bee0), _2048110)
   Exit: (225) [system] peek_char((0x563acd73bee0), d)
^  Call: (225) [user] is_delimiter(d)
   Call: (226) [system] char_type(d, space)
   Fail: (226) [system] char_type(d, space)
   Call: (226) [system] arg(_2052830, v('(', ')', end_of_file), d)
   Fail: (226) [system] arg(_2053762, v('(', ')', end_of_file), d)
^  Fail: (225) [user] is_delimiter(d)
   Call: (225) [system] ')'==d
   Fail: (225) [system] ')'==d
   Call: (225) [system] get_char((0x563acd73bee0), d)
   Exit: (225) [system] get_char((0x563acd73bee0), d)
   Call: (225) [system] d=(\)
   Fail: (225) [system] d=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _2061112)
   Call: (226) [system] peek_char((0x563acd73bee0), _2062046)
   Exit: (226) [system] peek_char((0x563acd73bee0), u)
^  Call: (226) [user] is_delimiter(u)
   Call: (227) [system] char_type(u, space)
   Fail: (227) [system] char_type(u, space)
   Call: (227) [system] arg(_2066766, v('(', ')', end_of_file), u)
   Fail: (227) [system] arg(_2067698, v('(', ')', end_of_file), u)
^  Fail: (226) [user] is_delimiter(u)
   Call: (226) [system] ')'==u
   Fail: (226) [system] ')'==u
   Call: (226) [system] get_char((0x563acd73bee0), u)
   Exit: (226) [system] get_char((0x563acd73bee0), u)
   Call: (226) [system] u=(\)
   Fail: (226) [system] u=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _2075048)
   Call: (227) [system] peek_char((0x563acd73bee0), _2075982)
   Exit: (227) [system] peek_char((0x563acd73bee0), c)
^  Call: (227) [user] is_delimiter(c)
   Call: (228) [system] char_type(c, space)
   Fail: (228) [system] char_type(c, space)
   Call: (228) [system] arg(_2080702, v('(', ')', end_of_file), c)
   Fail: (228) [system] arg(_2081634, v('(', ')', end_of_file), c)
^  Fail: (227) [user] is_delimiter(c)
   Call: (227) [system] ')'==c
   Fail: (227) [system] ')'==c
   Call: (227) [system] get_char((0x563acd73bee0), c)
   Exit: (227) [system] get_char((0x563acd73bee0), c)
   Call: (227) [system] c=(\)
   Fail: (227) [system] c=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _2088984)
   Call: (228) [system] peek_char((0x563acd73bee0), _2089918)
   Exit: (228) [system] peek_char((0x563acd73bee0), t)
^  Call: (228) [user] is_delimiter(t)
   Call: (229) [system] char_type(t, space)
   Fail: (229) [system] char_type(t, space)
   Call: (229) [system] arg(_2094638, v('(', ')', end_of_file), t)
   Fail: (229) [system] arg(_2095570, v('(', ')', end_of_file), t)
^  Fail: (228) [user] is_delimiter(t)
   Call: (228) [system] ')'==t
   Fail: (228) [system] ')'==t
   Call: (228) [system] get_char((0x563acd73bee0), t)
   Exit: (228) [system] get_char((0x563acd73bee0), t)
   Call: (228) [system] t=(\)
   Fail: (228) [system] t=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _10890)
   Call: (229) [system] peek_char((0x563acd73bee0), _11824)
   Exit: (229) [system] peek_char((0x563acd73bee0), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_16544, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_17476, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x563acd73bee0), i)
   Exit: (229) [system] get_char((0x563acd73bee0), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _24826)
   Call: (230) [system] peek_char((0x563acd73bee0), _25760)
   Exit: (230) [system] peek_char((0x563acd73bee0), o)
^  Call: (230) [user] is_delimiter(o)
   Call: (231) [system] char_type(o, space)
   Fail: (231) [system] char_type(o, space)
   Call: (231) [system] arg(_30480, v('(', ')', end_of_file), o)
   Fail: (231) [system] arg(_31412, v('(', ')', end_of_file), o)
^  Fail: (230) [user] is_delimiter(o)
   Call: (230) [system] ')'==o
   Fail: (230) [system] ')'==o
   Call: (230) [system] get_char((0x563acd73bee0), o)
   Exit: (230) [system] get_char((0x563acd73bee0), o)
   Call: (230) [system] o=(\)
   Fail: (230) [system] o=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _38762)
   Call: (231) [system] peek_char((0x563acd73bee0), _39696)
   Exit: (231) [system] peek_char((0x563acd73bee0), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_44416, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_45348, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x563acd73bee0), n)
   Exit: (231) [system] get_char((0x563acd73bee0), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _52698)
   Call: (232) [system] peek_char((0x563acd73bee0), _53632)
   Exit: (232) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _52698=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (231) [system] _38762=[n]
   Exit: (231) [system] [n]=[n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (230) [system] _24826=[o, n]
   Exit: (230) [system] [o, n]=[o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (229) [system] _10890=[i, o, n]
   Exit: (229) [system] [i, o, n]=[i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (228) [system] _4722=[t, i, o, n]
   Exit: (228) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (227) [system] _4718=[c, t, i, o, n]
   Exit: (227) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n])
   Call: (226) [system] _4714=[u, c, t, i, o, n]
   Exit: (226) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, i, o, n])
   Call: (225) [system] _4710=[d, u, c, t, i, o, n]
   Exit: (225) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, u, c, t, i, o, n])
   Call: (224) [system] _4706=[o, d, u, c, t, i, o, n]
   Exit: (224) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, d, u, c, t, i, o, n])
   Call: (223) [system] _4702=[r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _4698=[t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _4694=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _4690=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _4686=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _4682=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _4678=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _4674=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _4670=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _4666=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _4662=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _4658=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _4654=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _4650=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (209) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _4646)
^  Call: (210) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _124384)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_125336, _125338), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _124384), _125318, fail)), '$restore_trace'(_125336, _125338))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_125336, _125338))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _124384), _125318, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_124384)
   Fail: (211) [system] atomic(_124384)
   Call: (211) [system] atom_chars(_124384, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (211) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (210) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
   Call: (210) [system] integer('ConjunctionIntroduction')
   Fail: (210) [system] integer('ConjunctionIntroduction')
   Call: (210) [system] _4646='ConjunctionIntroduction'
   Exit: (210) [system] 'ConjunctionIntroduction'='ConjunctionIntroduction'
^  Exit: (209) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (208) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'ConjunctionIntroduction')
^  Exit: (207) [user] cont_sexpr(')', (0x563acd73bee0), 'ConjunctionIntroduction')
^  Call: (207) [user] read_list(')', (0x563acd73bee0), _139334)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _141192)
   Exit: (209) [system] peek_char((0x563acd73bee0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x563acd73bee0), _150786)
   Exit: (209) [system] get_char((0x563acd73bee0), ' ')
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _153490)
   Exit: (210) [system] peek_char((0x563acd73bee0), a)
   Call: (210) [system] a=(;)
   Fail: (210) [system] a=(;)
   Call: (210) [system] a=(/)
   Fail: (210) [system] a=(/)
^  Call: (210) [user] is_like_space(a)
   Call: (211) [system] char_type(a, 'white')
   Fail: (211) [system] char_type(a, 'white')
   Call: (211) [system] char_type(a, end_of_line)
   Fail: (211) [system] char_type(a, end_of_line)
   Call: (211) [system] char_type(a, space)
   Fail: (211) [system] char_type(a, space)
   Call: (211) [system] char_type(a, cntrl)
   Fail: (211) [system] char_type(a, cntrl)
^  Fail: (210) [user] is_like_space(a)
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _170424)
   Exit: (208) [system] peek_char((0x563acd73bee0), a)
   Call: (208) [system] a=')'
   Fail: (208) [system] a=')'
   Call: (208) [system] a=end_of_file
   Fail: (208) [system] a=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x563acd73bee0), _175994)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _177852)
   Exit: (210) [system] peek_char((0x563acd73bee0), a)
   Call: (210) [system] a=(;)
   Fail: (210) [system] a=(;)
   Call: (210) [system] a=(/)
   Fail: (210) [system] a=(/)
^  Call: (210) [user] is_like_space(a)
   Call: (211) [system] char_type(a, 'white')
   Fail: (211) [system] char_type(a, 'white')
   Call: (211) [system] char_type(a, end_of_line)
   Fail: (211) [system] char_type(a, end_of_line)
   Call: (211) [system] char_type(a, space)
   Fail: (211) [system] char_type(a, space)
   Call: (211) [system] char_type(a, cntrl)
   Fail: (211) [system] char_type(a, cntrl)
^  Fail: (210) [user] is_like_space(a)
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] get_char((0x563acd73bee0), _193862)
   Exit: (209) [system] get_char((0x563acd73bee0), a)
   Call: (209) [system] a='('
   Fail: (209) [system] a='('
   Call: (209) [system] a='['
   Fail: (209) [system] a='['
   Call: (209) [system] a='{'
   Fail: (209) [system] a='{'
   Call: (209) [system] a='"'
   Fail: (209) [system] a='"'
   Call: (209) [system] a=!
   Fail: (209) [system] a=!
   Call: (209) [system] a='\''
   Fail: (209) [system] a='\''
   Call: (209) [system] a='`'
   Fail: (209) [system] a='`'
   Call: (209) [system] a=end_of_file
   Fail: (209) [system] a=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x563acd73bee0), a, _175994)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _211504)
   Call: (211) [system] peek_char((0x563acd73bee0), _212438)
   Exit: (211) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _211504=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (210) [user] classify_and_convert_charseq([a], _175994)
^  Call: (211) [user] classify_and_convert_charseq_([a], _221722)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_222674, _222676), once(user:catch(read_from_chars([a], _221722), _222656, fail)), '$restore_trace'(_222674, _222676))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_222674, _222676))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _222656, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(a)
   Exit: (212) [system] atomic(a)
^  Exit: (211) [user] classify_and_convert_charseq_([a], a)
   Call: (211) [system] integer(a)
   Fail: (211) [system] integer(a)
   Call: (211) [system] _175994=a
   Exit: (211) [system] a=a
^  Exit: (210) [user] classify_and_convert_charseq([a], a)
^  Exit: (209) [user] read_symbolic(')', (0x563acd73bee0), a, a)
^  Exit: (208) [user] cont_sexpr(')', (0x563acd73bee0), a)
^  Call: (208) [user] read_list(')', (0x563acd73bee0), _234802)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _236660)
   Exit: (210) [system] peek_char((0x563acd73bee0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x563acd73bee0), _246254)
   Exit: (210) [system] get_char((0x563acd73bee0), ' ')
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _248958)
   Exit: (211) [system] peek_char((0x563acd73bee0), c)
   Call: (211) [system] c=(;)
   Fail: (211) [system] c=(;)
   Call: (211) [system] c=(/)
   Fail: (211) [system] c=(/)
^  Call: (211) [user] is_like_space(c)
   Call: (212) [system] char_type(c, 'white')
   Fail: (212) [system] char_type(c, 'white')
   Call: (212) [system] char_type(c, end_of_line)
   Fail: (212) [system] char_type(c, end_of_line)
   Call: (212) [system] char_type(c, space)
   Fail: (212) [system] char_type(c, space)
   Call: (212) [system] char_type(c, cntrl)
   Fail: (212) [system] char_type(c, cntrl)
^  Fail: (211) [user] is_like_space(c)
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _265892)
   Exit: (209) [system] peek_char((0x563acd73bee0), c)
   Call: (209) [system] c=')'
   Fail: (209) [system] c=')'
   Call: (209) [system] c=end_of_file
   Fail: (209) [system] c=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x563acd73bee0), _271462)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _273320)
   Exit: (211) [system] peek_char((0x563acd73bee0), c)
   Call: (211) [system] c=(;)
   Fail: (211) [system] c=(;)
   Call: (211) [system] c=(/)
   Fail: (211) [system] c=(/)
^  Call: (211) [user] is_like_space(c)
   Call: (212) [system] char_type(c, 'white')
   Fail: (212) [system] char_type(c, 'white')
   Call: (212) [system] char_type(c, end_of_line)
   Fail: (212) [system] char_type(c, end_of_line)
   Call: (212) [system] char_type(c, space)
   Fail: (212) [system] char_type(c, space)
   Call: (212) [system] char_type(c, cntrl)
   Fail: (212) [system] char_type(c, cntrl)
^  Fail: (211) [user] is_like_space(c)
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] get_char((0x563acd73bee0), _289330)
   Exit: (210) [system] get_char((0x563acd73bee0), c)
   Call: (210) [system] c='('
   Fail: (210) [system] c='('
   Call: (210) [system] c='['
   Fail: (210) [system] c='['
   Call: (210) [system] c='{'
   Fail: (210) [system] c='{'
   Call: (210) [system] c='"'
   Fail: (210) [system] c='"'
   Call: (210) [system] c=!
   Fail: (210) [system] c=!
   Call: (210) [system] c='\''
   Fail: (210) [system] c='\''
   Call: (210) [system] c='`'
   Fail: (210) [system] c='`'
   Call: (210) [system] c=end_of_file
   Fail: (210) [system] c=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x563acd73bee0), c, _271462)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _306972)
   Call: (212) [system] peek_char((0x563acd73bee0), _307906)
   Exit: (212) [system] peek_char((0x563acd73bee0), d)
^  Call: (212) [user] is_delimiter(d)
   Call: (213) [system] char_type(d, space)
   Fail: (213) [system] char_type(d, space)
   Call: (213) [system] arg(_312626, v('(', ')', end_of_file), d)
   Fail: (213) [system] arg(_313558, v('(', ')', end_of_file), d)
^  Fail: (212) [user] is_delimiter(d)
   Call: (212) [system] ')'==d
   Fail: (212) [system] ')'==d
   Call: (212) [system] get_char((0x563acd73bee0), d)
   Exit: (212) [system] get_char((0x563acd73bee0), d)
   Call: (212) [system] d=(\)
   Fail: (212) [system] d=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _320908)
   Call: (213) [system] peek_char((0x563acd73bee0), _321842)
   Exit: (213) [system] peek_char((0x563acd73bee0), e)
^  Call: (213) [user] is_delimiter(e)
   Call: (214) [system] char_type(e, space)
   Fail: (214) [system] char_type(e, space)
   Call: (214) [system] arg(_326562, v('(', ')', end_of_file), e)
   Fail: (214) [system] arg(_327494, v('(', ')', end_of_file), e)
^  Fail: (213) [user] is_delimiter(e)
   Call: (213) [system] ')'==e
   Fail: (213) [system] ')'==e
   Call: (213) [system] get_char((0x563acd73bee0), e)
   Exit: (213) [system] get_char((0x563acd73bee0), e)
   Call: (213) [system] e=(\)
   Fail: (213) [system] e=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _334844)
   Call: (214) [system] peek_char((0x563acd73bee0), _335778)
   Exit: (214) [system] peek_char((0x563acd73bee0), ')')
^  Call: (214) [user] is_delimiter(')')
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] arg(_340498, v('(', ')', end_of_file), ')')
   Exit: (215) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (214) [user] is_delimiter(')')
   Call: (214) [system] _334844=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (213) [system] _320908=[e]
   Exit: (213) [system] [e]=[e]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [e])
   Call: (212) [system] _306972=[d, e]
   Exit: (212) [system] [d, e]=[d, e]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, e])
^  Call: (211) [user] classify_and_convert_charseq([c, d, e], _271462)
^  Call: (212) [user] classify_and_convert_charseq_([c, d, e], _352522)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_353474, _353476), once(user:catch(read_from_chars([c, d, e], _352522), _353456, fail)), '$restore_trace'(_353474, _353476))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_353474, _353476))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _353456, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(cde)
   Exit: (213) [system] atomic(cde)
^  Exit: (212) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (212) [system] integer(cde)
   Fail: (212) [system] integer(cde)
   Call: (212) [system] _271462=cde
   Exit: (212) [system] cde=cde
^  Exit: (211) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (210) [user] read_symbolic(')', (0x563acd73bee0), c, cde)
^  Exit: (209) [user] cont_sexpr(')', (0x563acd73bee0), cde)
^  Call: (209) [user] read_list(')', (0x563acd73bee0), _365602)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _367460)
   Exit: (211) [system] peek_char((0x563acd73bee0), ')')
   Call: (211) [system] ')'=(;)
   Fail: (211) [system] ')'=(;)
   Call: (211) [system] ')'=(/)
   Fail: (211) [system] ')'=(/)
^  Call: (211) [user] is_like_space(')')
   Call: (212) [system] char_type(')', 'white')
   Fail: (212) [system] char_type(')', 'white')
   Call: (212) [system] char_type(')', end_of_line)
   Fail: (212) [system] char_type(')', end_of_line)
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] char_type(')', cntrl)
   Fail: (212) [system] char_type(')', cntrl)
^  Fail: (211) [user] is_like_space(')')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _383470)
   Exit: (210) [system] peek_char((0x563acd73bee0), ')')
   Call: (210) [system] ')'=')'
   Exit: (210) [system] ')'=')'
   Call: (210) [system] get_char((0x563acd73bee0), _387260)
   Exit: (210) [system] get_char((0x563acd73bee0), ')')
   Call: (210) [system] _365602=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_list(')', (0x563acd73bee0), [])
   Call: (209) [system] _234802=[cde]
   Exit: (209) [system] [cde]=[cde]
^  Exit: (208) [user] read_list(')', (0x563acd73bee0), [cde])
   Call: (208) [system] _139334=[a, cde]
   Exit: (208) [system] [a, cde]=[a, cde]
^  Exit: (207) [user] read_list(')', (0x563acd73bee0), [a, cde])
   Call: (207) [system] _4640=['ConjunctionIntroduction', a, cde]
   Exit: (207) [system] ['ConjunctionIntroduction', a, cde]=['ConjunctionIntroduction', a, cde]
^  Exit: (206) [user] read_list(')', (0x563acd73bee0), ['ConjunctionIntroduction', a, cde])
^  Exit: (205) [user] cont_sexpr(')', (0x563acd73bee0), ['ConjunctionIntroduction', a, cde])
^  Call: (205) [user] read_list(')', (0x563acd73bee0), _401142)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _403000)
   Exit: (207) [system] peek_char((0x563acd73bee0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
   Call: (207) [system] ' '=(/)
   Fail: (207) [system] ' '=(/)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x563acd73bee0), _412594)
   Exit: (207) [system] get_char((0x563acd73bee0), ' ')
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _415298)
   Exit: (208) [system] peek_char((0x563acd73bee0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _432232)
   Exit: (206) [system] peek_char((0x563acd73bee0), '(')
   Call: (206) [system] '('=')'
   Fail: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
   Fail: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x563acd73bee0), _437802)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _439660)
   Exit: (208) [system] peek_char((0x563acd73bee0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] get_char((0x563acd73bee0), _455670)
   Exit: (207) [system] get_char((0x563acd73bee0), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x563acd73bee0), _437802)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _461240)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'A')
   Call: (209) [system] 'A'=(;)
   Fail: (209) [system] 'A'=(;)
   Call: (209) [system] 'A'=(/)
   Fail: (209) [system] 'A'=(/)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Fail: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Fail: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Fail: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
   Fail: (210) [system] char_type('A', cntrl)
^  Fail: (209) [user] is_like_space('A')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _477250)
   Exit: (208) [system] peek_char((0x563acd73bee0), 'A')
   Call: (208) [system] 'A'=')'
   Fail: (208) [system] 'A'=')'
   Call: (208) [system] 'A'=end_of_file
   Fail: (208) [system] 'A'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x563acd73bee0), _482820)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _484678)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'A')
   Call: (210) [system] 'A'=(;)
   Fail: (210) [system] 'A'=(;)
   Call: (210) [system] 'A'=(/)
   Fail: (210) [system] 'A'=(/)
^  Call: (210) [user] is_like_space('A')
   Call: (211) [system] char_type('A', 'white')
   Fail: (211) [system] char_type('A', 'white')
   Call: (211) [system] char_type('A', end_of_line)
   Fail: (211) [system] char_type('A', end_of_line)
   Call: (211) [system] char_type('A', space)
   Fail: (211) [system] char_type('A', space)
   Call: (211) [system] char_type('A', cntrl)
   Fail: (211) [system] char_type('A', cntrl)
^  Fail: (210) [user] is_like_space('A')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] get_char((0x563acd73bee0), _500688)
   Exit: (209) [system] get_char((0x563acd73bee0), 'A')
   Call: (209) [system] 'A'='('
   Fail: (209) [system] 'A'='('
   Call: (209) [system] 'A'='['
   Fail: (209) [system] 'A'='['
   Call: (209) [system] 'A'='{'
   Fail: (209) [system] 'A'='{'
   Call: (209) [system] 'A'='"'
   Fail: (209) [system] 'A'='"'
   Call: (209) [system] 'A'=!
   Fail: (209) [system] 'A'=!
   Call: (209) [system] 'A'='\''
   Fail: (209) [system] 'A'='\''
   Call: (209) [system] 'A'='`'
   Fail: (209) [system] 'A'='`'
   Call: (209) [system] 'A'=end_of_file
   Fail: (209) [system] 'A'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x563acd73bee0), 'A', _482820)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _518330)
   Call: (211) [system] peek_char((0x563acd73bee0), _519264)
   Exit: (211) [system] peek_char((0x563acd73bee0), n)
^  Call: (211) [user] is_delimiter(n)
   Call: (212) [system] char_type(n, space)
   Fail: (212) [system] char_type(n, space)
   Call: (212) [system] arg(_523984, v('(', ')', end_of_file), n)
   Fail: (212) [system] arg(_524916, v('(', ')', end_of_file), n)
^  Fail: (211) [user] is_delimiter(n)
   Call: (211) [system] ')'==n
   Fail: (211) [system] ')'==n
   Call: (211) [system] get_char((0x563acd73bee0), n)
   Exit: (211) [system] get_char((0x563acd73bee0), n)
   Call: (211) [system] n=(\)
   Fail: (211) [system] n=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _532266)
   Call: (212) [system] peek_char((0x563acd73bee0), _533200)
   Exit: (212) [system] peek_char((0x563acd73bee0), d)
^  Call: (212) [user] is_delimiter(d)
   Call: (213) [system] char_type(d, space)
   Fail: (213) [system] char_type(d, space)
   Call: (213) [system] arg(_537920, v('(', ')', end_of_file), d)
   Fail: (213) [system] arg(_538852, v('(', ')', end_of_file), d)
^  Fail: (212) [user] is_delimiter(d)
   Call: (212) [system] ')'==d
   Fail: (212) [system] ')'==d
   Call: (212) [system] get_char((0x563acd73bee0), d)
   Exit: (212) [system] get_char((0x563acd73bee0), d)
   Call: (212) [system] d=(\)
   Fail: (212) [system] d=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _546202)
   Call: (213) [system] peek_char((0x563acd73bee0), _547136)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (213) [user] is_delimiter('L')
   Call: (214) [system] char_type('L', space)
   Fail: (214) [system] char_type('L', space)
   Call: (214) [system] arg(_551856, v('(', ')', end_of_file), 'L')
   Fail: (214) [system] arg(_552788, v('(', ')', end_of_file), 'L')
^  Fail: (213) [user] is_delimiter('L')
   Call: (213) [system] ')'=='L'
   Fail: (213) [system] ')'=='L'
   Call: (213) [system] get_char((0x563acd73bee0), 'L')
   Exit: (213) [system] get_char((0x563acd73bee0), 'L')
   Call: (213) [system] 'L'=(\)
   Fail: (213) [system] 'L'=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _560138)
   Call: (214) [system] peek_char((0x563acd73bee0), _561072)
   Exit: (214) [system] peek_char((0x563acd73bee0), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Fail: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_565792, v('(', ')', end_of_file), i)
   Fail: (215) [system] arg(_566724, v('(', ')', end_of_file), i)
^  Fail: (214) [user] is_delimiter(i)
   Call: (214) [system] ')'==i
   Fail: (214) [system] ')'==i
   Call: (214) [system] get_char((0x563acd73bee0), i)
   Exit: (214) [system] get_char((0x563acd73bee0), i)
   Call: (214) [system] i=(\)
   Fail: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _574074)
   Call: (215) [system] peek_char((0x563acd73bee0), _575008)
   Exit: (215) [system] peek_char((0x563acd73bee0), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_579728, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_580660, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x563acd73bee0), n)
   Exit: (215) [system] get_char((0x563acd73bee0), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _588010)
   Call: (216) [system] peek_char((0x563acd73bee0), _588944)
   Exit: (216) [system] peek_char((0x563acd73bee0), k)
^  Call: (216) [user] is_delimiter(k)
   Call: (217) [system] char_type(k, space)
   Fail: (217) [system] char_type(k, space)
   Call: (217) [system] arg(_593664, v('(', ')', end_of_file), k)
   Fail: (217) [system] arg(_594596, v('(', ')', end_of_file), k)
^  Fail: (216) [user] is_delimiter(k)
   Call: (216) [system] ')'==k
   Fail: (216) [system] ')'==k
   Call: (216) [system] get_char((0x563acd73bee0), k)
   Exit: (216) [system] get_char((0x563acd73bee0), k)
   Call: (216) [system] k=(\)
   Fail: (216) [system] k=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _601946)
   Call: (217) [system] peek_char((0x563acd73bee0), _602880)
   Exit: (217) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _601946=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (216) [system] _588010=[k]
   Exit: (216) [system] [k]=[k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (215) [system] _574074=[n, k]
   Exit: (215) [system] [n, k]=[n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (214) [system] _560138=[i, n, k]
   Exit: (214) [system] [i, n, k]=[i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (213) [system] _546202=['L', i, n, k]
   Exit: (213) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (212) [system] _532266=[d, 'L', i, n, k]
   Exit: (212) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, 'L', i, n, k])
   Call: (211) [system] _518330=[n, d, 'L', i, n, k]
   Exit: (211) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, d, 'L', i, n, k])
^  Call: (210) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _482820)
^  Call: (211) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _628928)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_629880, _629882), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _628928), _629862, fail)), '$restore_trace'(_629880, _629882))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_629880, _629882))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _628928), _629862, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_628928)
   Fail: (212) [system] atomic(_628928)
   Call: (212) [system] atom_chars(_628928, ['A', n, d, 'L', i, n, k])
   Exit: (212) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (211) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (211) [system] integer('AndLink')
   Fail: (211) [system] integer('AndLink')
   Call: (211) [system] _482820='AndLink'
   Exit: (211) [system] 'AndLink'='AndLink'
^  Exit: (210) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (209) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'AndLink')
^  Exit: (208) [user] cont_sexpr(')', (0x563acd73bee0), 'AndLink')
^  Call: (208) [user] read_list(')', (0x563acd73bee0), _643878)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _645736)
   Exit: (210) [system] peek_char((0x563acd73bee0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x563acd73bee0), _655330)
   Exit: (210) [system] get_char((0x563acd73bee0), ' ')
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _658034)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'A')
   Call: (211) [system] 'A'=(;)
   Fail: (211) [system] 'A'=(;)
   Call: (211) [system] 'A'=(/)
   Fail: (211) [system] 'A'=(/)
^  Call: (211) [user] is_like_space('A')
   Call: (212) [system] char_type('A', 'white')
   Fail: (212) [system] char_type('A', 'white')
   Call: (212) [system] char_type('A', end_of_line)
   Fail: (212) [system] char_type('A', end_of_line)
   Call: (212) [system] char_type('A', space)
   Fail: (212) [system] char_type('A', space)
   Call: (212) [system] char_type('A', cntrl)
   Fail: (212) [system] char_type('A', cntrl)
^  Fail: (211) [user] is_like_space('A')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _674968)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'A')
   Call: (209) [system] 'A'=')'
   Fail: (209) [system] 'A'=')'
   Call: (209) [system] 'A'=end_of_file
   Fail: (209) [system] 'A'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x563acd73bee0), _680538)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _682396)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'A')
   Call: (211) [system] 'A'=(;)
   Fail: (211) [system] 'A'=(;)
   Call: (211) [system] 'A'=(/)
   Fail: (211) [system] 'A'=(/)
^  Call: (211) [user] is_like_space('A')
   Call: (212) [system] char_type('A', 'white')
   Fail: (212) [system] char_type('A', 'white')
   Call: (212) [system] char_type('A', end_of_line)
   Fail: (212) [system] char_type('A', end_of_line)
   Call: (212) [system] char_type('A', space)
   Fail: (212) [system] char_type('A', space)
   Call: (212) [system] char_type('A', cntrl)
   Fail: (212) [system] char_type('A', cntrl)
^  Fail: (211) [user] is_like_space('A')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] get_char((0x563acd73bee0), _698406)
   Exit: (210) [system] get_char((0x563acd73bee0), 'A')
   Call: (210) [system] 'A'='('
   Fail: (210) [system] 'A'='('
   Call: (210) [system] 'A'='['
   Fail: (210) [system] 'A'='['
   Call: (210) [system] 'A'='{'
   Fail: (210) [system] 'A'='{'
   Call: (210) [system] 'A'='"'
   Fail: (210) [system] 'A'='"'
   Call: (210) [system] 'A'=!
   Fail: (210) [system] 'A'=!
   Call: (210) [system] 'A'='\''
   Fail: (210) [system] 'A'='\''
   Call: (210) [system] 'A'='`'
   Fail: (210) [system] 'A'='`'
   Call: (210) [system] 'A'=end_of_file
   Fail: (210) [system] 'A'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x563acd73bee0), 'A', _680538)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _716048)
   Call: (212) [system] peek_char((0x563acd73bee0), _716982)
   Exit: (212) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _716048=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (211) [user] classify_and_convert_charseq(['A'], _680538)
^  Call: (212) [user] classify_and_convert_charseq_(['A'], _726266)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_727218, _727220), once(user:catch(read_from_chars(['A'], _726266), _727200, fail)), '$restore_trace'(_727218, _727220))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_727218, _727220))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _726266), _727200, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_726266)
   Fail: (213) [system] atomic(_726266)
   Call: (213) [system] atom_chars(_726266, ['A'])
   Exit: (213) [system] atom_chars('A', ['A'])
^  Exit: (212) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (212) [system] integer('A')
   Fail: (212) [system] integer('A')
   Call: (212) [system] _680538='A'
   Exit: (212) [system] 'A'='A'
^  Exit: (211) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (210) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (209) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (209) [user] read_list(')', (0x563acd73bee0), _741216)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _743074)
   Exit: (211) [system] peek_char((0x563acd73bee0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x563acd73bee0), _752668)
   Exit: (211) [system] get_char((0x563acd73bee0), ' ')
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _755372)
   Exit: (212) [system] peek_char((0x563acd73bee0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _772306)
   Exit: (210) [system] peek_char((0x563acd73bee0), '(')
   Call: (210) [system] '('=')'
   Fail: (210) [system] '('=')'
   Call: (210) [system] '('=end_of_file
   Fail: (210) [system] '('=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x563acd73bee0), _777876)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _779734)
   Exit: (212) [system] peek_char((0x563acd73bee0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] get_char((0x563acd73bee0), _795744)
   Exit: (211) [system] get_char((0x563acd73bee0), '(')
   Call: (211) [system] '('='('
   Exit: (211) [system] '('='('
^  Call: (211) [user] read_list(')', (0x563acd73bee0), _777876)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _801314)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'I')
   Call: (213) [system] 'I'=(;)
   Fail: (213) [system] 'I'=(;)
   Call: (213) [system] 'I'=(/)
   Fail: (213) [system] 'I'=(/)
^  Call: (213) [user] is_like_space('I')
   Call: (214) [system] char_type('I', 'white')
   Fail: (214) [system] char_type('I', 'white')
   Call: (214) [system] char_type('I', end_of_line)
   Fail: (214) [system] char_type('I', end_of_line)
   Call: (214) [system] char_type('I', space)
   Fail: (214) [system] char_type('I', space)
   Call: (214) [system] char_type('I', cntrl)
   Fail: (214) [system] char_type('I', cntrl)
^  Fail: (213) [user] is_like_space('I')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _817324)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'I')
   Call: (212) [system] 'I'=')'
   Fail: (212) [system] 'I'=')'
   Call: (212) [system] 'I'=end_of_file
   Fail: (212) [system] 'I'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x563acd73bee0), _822894)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _824752)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'I')
   Call: (214) [system] 'I'=(;)
   Fail: (214) [system] 'I'=(;)
   Call: (214) [system] 'I'=(/)
   Fail: (214) [system] 'I'=(/)
^  Call: (214) [user] is_like_space('I')
   Call: (215) [system] char_type('I', 'white')
   Fail: (215) [system] char_type('I', 'white')
   Call: (215) [system] char_type('I', end_of_line)
   Fail: (215) [system] char_type('I', end_of_line)
   Call: (215) [system] char_type('I', space)
   Fail: (215) [system] char_type('I', space)
   Call: (215) [system] char_type('I', cntrl)
   Fail: (215) [system] char_type('I', cntrl)
^  Fail: (214) [user] is_like_space('I')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] get_char((0x563acd73bee0), _840762)
   Exit: (213) [system] get_char((0x563acd73bee0), 'I')
   Call: (213) [system] 'I'='('
   Fail: (213) [system] 'I'='('
   Call: (213) [system] 'I'='['
   Fail: (213) [system] 'I'='['
   Call: (213) [system] 'I'='{'
   Fail: (213) [system] 'I'='{'
   Call: (213) [system] 'I'='"'
   Fail: (213) [system] 'I'='"'
   Call: (213) [system] 'I'=!
   Fail: (213) [system] 'I'=!
   Call: (213) [system] 'I'='\''
   Fail: (213) [system] 'I'='\''
   Call: (213) [system] 'I'='`'
   Fail: (213) [system] 'I'='`'
   Call: (213) [system] 'I'=end_of_file
   Fail: (213) [system] 'I'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x563acd73bee0), 'I', _822894)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _858404)
   Call: (215) [system] peek_char((0x563acd73bee0), _859338)
   Exit: (215) [system] peek_char((0x563acd73bee0), m)
^  Call: (215) [user] is_delimiter(m)
   Call: (216) [system] char_type(m, space)
   Fail: (216) [system] char_type(m, space)
   Call: (216) [system] arg(_864058, v('(', ')', end_of_file), m)
   Fail: (216) [system] arg(_864990, v('(', ')', end_of_file), m)
^  Fail: (215) [user] is_delimiter(m)
   Call: (215) [system] ')'==m
   Fail: (215) [system] ')'==m
   Call: (215) [system] get_char((0x563acd73bee0), m)
   Exit: (215) [system] get_char((0x563acd73bee0), m)
   Call: (215) [system] m=(\)
   Fail: (215) [system] m=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _872340)
   Call: (216) [system] peek_char((0x563acd73bee0), _873274)
   Exit: (216) [system] peek_char((0x563acd73bee0), p)
^  Call: (216) [user] is_delimiter(p)
   Call: (217) [system] char_type(p, space)
   Fail: (217) [system] char_type(p, space)
   Call: (217) [system] arg(_877994, v('(', ')', end_of_file), p)
   Fail: (217) [system] arg(_878926, v('(', ')', end_of_file), p)
^  Fail: (216) [user] is_delimiter(p)
   Call: (216) [system] ')'==p
   Fail: (216) [system] ')'==p
   Call: (216) [system] get_char((0x563acd73bee0), p)
   Exit: (216) [system] get_char((0x563acd73bee0), p)
   Call: (216) [system] p=(\)
   Fail: (216) [system] p=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _886276)
   Call: (217) [system] peek_char((0x563acd73bee0), _887210)
   Exit: (217) [system] peek_char((0x563acd73bee0), l)
^  Call: (217) [user] is_delimiter(l)
   Call: (218) [system] char_type(l, space)
   Fail: (218) [system] char_type(l, space)
   Call: (218) [system] arg(_891930, v('(', ')', end_of_file), l)
   Fail: (218) [system] arg(_892862, v('(', ')', end_of_file), l)
^  Fail: (217) [user] is_delimiter(l)
   Call: (217) [system] ')'==l
   Fail: (217) [system] ')'==l
   Call: (217) [system] get_char((0x563acd73bee0), l)
   Exit: (217) [system] get_char((0x563acd73bee0), l)
   Call: (217) [system] l=(\)
   Fail: (217) [system] l=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _900212)
   Call: (218) [system] peek_char((0x563acd73bee0), _901146)
   Exit: (218) [system] peek_char((0x563acd73bee0), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Fail: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_905866, v('(', ')', end_of_file), i)
   Fail: (219) [system] arg(_906798, v('(', ')', end_of_file), i)
^  Fail: (218) [user] is_delimiter(i)
   Call: (218) [system] ')'==i
   Fail: (218) [system] ')'==i
   Call: (218) [system] get_char((0x563acd73bee0), i)
   Exit: (218) [system] get_char((0x563acd73bee0), i)
   Call: (218) [system] i=(\)
   Fail: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _914148)
   Call: (219) [system] peek_char((0x563acd73bee0), _915082)
   Exit: (219) [system] peek_char((0x563acd73bee0), c)
^  Call: (219) [user] is_delimiter(c)
   Call: (220) [system] char_type(c, space)
   Fail: (220) [system] char_type(c, space)
   Call: (220) [system] arg(_919802, v('(', ')', end_of_file), c)
   Fail: (220) [system] arg(_920734, v('(', ')', end_of_file), c)
^  Fail: (219) [user] is_delimiter(c)
   Call: (219) [system] ')'==c
   Fail: (219) [system] ')'==c
   Call: (219) [system] get_char((0x563acd73bee0), c)
   Exit: (219) [system] get_char((0x563acd73bee0), c)
   Call: (219) [system] c=(\)
   Fail: (219) [system] c=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _928084)
   Call: (220) [system] peek_char((0x563acd73bee0), _929018)
   Exit: (220) [system] peek_char((0x563acd73bee0), a)
^  Call: (220) [user] is_delimiter(a)
   Call: (221) [system] char_type(a, space)
   Fail: (221) [system] char_type(a, space)
   Call: (221) [system] arg(_933738, v('(', ')', end_of_file), a)
   Fail: (221) [system] arg(_934670, v('(', ')', end_of_file), a)
^  Fail: (220) [user] is_delimiter(a)
   Call: (220) [system] ')'==a
   Fail: (220) [system] ')'==a
   Call: (220) [system] get_char((0x563acd73bee0), a)
   Exit: (220) [system] get_char((0x563acd73bee0), a)
   Call: (220) [system] a=(\)
   Fail: (220) [system] a=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _942020)
   Call: (221) [system] peek_char((0x563acd73bee0), _942954)
   Exit: (221) [system] peek_char((0x563acd73bee0), t)
^  Call: (221) [user] is_delimiter(t)
   Call: (222) [system] char_type(t, space)
   Fail: (222) [system] char_type(t, space)
   Call: (222) [system] arg(_947674, v('(', ')', end_of_file), t)
   Fail: (222) [system] arg(_948606, v('(', ')', end_of_file), t)
^  Fail: (221) [user] is_delimiter(t)
   Call: (221) [system] ')'==t
   Fail: (221) [system] ')'==t
   Call: (221) [system] get_char((0x563acd73bee0), t)
   Exit: (221) [system] get_char((0x563acd73bee0), t)
   Call: (221) [system] t=(\)
   Fail: (221) [system] t=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _955956)
   Call: (222) [system] peek_char((0x563acd73bee0), _956890)
   Exit: (222) [system] peek_char((0x563acd73bee0), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_961610, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_962542, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x563acd73bee0), i)
   Exit: (222) [system] get_char((0x563acd73bee0), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _969892)
   Call: (223) [system] peek_char((0x563acd73bee0), _970826)
   Exit: (223) [system] peek_char((0x563acd73bee0), o)
^  Call: (223) [user] is_delimiter(o)
   Call: (224) [system] char_type(o, space)
   Fail: (224) [system] char_type(o, space)
   Call: (224) [system] arg(_975546, v('(', ')', end_of_file), o)
   Fail: (224) [system] arg(_976478, v('(', ')', end_of_file), o)
^  Fail: (223) [user] is_delimiter(o)
   Call: (223) [system] ')'==o
   Fail: (223) [system] ')'==o
   Call: (223) [system] get_char((0x563acd73bee0), o)
   Exit: (223) [system] get_char((0x563acd73bee0), o)
   Call: (223) [system] o=(\)
   Fail: (223) [system] o=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _983828)
   Call: (224) [system] peek_char((0x563acd73bee0), _984762)
   Exit: (224) [system] peek_char((0x563acd73bee0), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_989482, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_990414, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x563acd73bee0), n)
   Exit: (224) [system] get_char((0x563acd73bee0), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _997764)
   Call: (225) [system] peek_char((0x563acd73bee0), _998698)
   Exit: (225) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _997764=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (224) [system] _983828=[n]
   Exit: (224) [system] [n]=[n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (223) [system] _969892=[o, n]
   Exit: (223) [system] [o, n]=[o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (222) [system] _955956=[i, o, n]
   Exit: (222) [system] [i, o, n]=[i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (221) [system] _942020=[t, i, o, n]
   Exit: (221) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (220) [system] _928084=[a, t, i, o, n]
   Exit: (220) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (219) [system] _914148=[c, a, t, i, o, n]
   Exit: (219) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (218) [system] _900212=[i, c, a, t, i, o, n]
   Exit: (218) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (217) [system] _886276=[l, i, c, a, t, i, o, n]
   Exit: (217) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (216) [system] _872340=[p, l, i, c, a, t, i, o, n]
   Exit: (216) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (215) [system] _858404=[m, p, l, i, c, a, t, i, o, n]
   Exit: (215) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (214) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _822894)
^  Call: (215) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1035922)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_1036874, _1036876), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1035922), _1036856, fail)), '$restore_trace'(_1036874, _1036876))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_1036874, _1036876))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1035922), _1036856, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_1035922)
   Fail: (216) [system] atomic(_1035922)
   Call: (216) [system] atom_chars(_1035922, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (216) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (215) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (215) [system] integer('Implication')
   Fail: (215) [system] integer('Implication')
   Call: (215) [system] _822894='Implication'
   Exit: (215) [system] 'Implication'='Implication'
^  Exit: (214) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (213) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (212) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (212) [user] read_list(')', (0x563acd73bee0), _1050872)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1052730)
   Exit: (214) [system] peek_char((0x563acd73bee0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x563acd73bee0), _1062324)
   Exit: (214) [system] get_char((0x563acd73bee0), ' ')
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1065028)
   Exit: (215) [system] peek_char((0x563acd73bee0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1081962)
   Exit: (213) [system] peek_char((0x563acd73bee0), '(')
   Call: (213) [system] '('=')'
   Fail: (213) [system] '('=')'
   Call: (213) [system] '('=end_of_file
   Fail: (213) [system] '('=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x563acd73bee0), _1087532)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1089390)
   Exit: (215) [system] peek_char((0x563acd73bee0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] get_char((0x563acd73bee0), _1105400)
   Exit: (214) [system] get_char((0x563acd73bee0), '(')
   Call: (214) [system] '('='('
   Exit: (214) [system] '('='('
^  Call: (214) [user] read_list(')', (0x563acd73bee0), _1087532)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1110970)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'O')
   Call: (216) [system] 'O'=(;)
   Fail: (216) [system] 'O'=(;)
   Call: (216) [system] 'O'=(/)
   Fail: (216) [system] 'O'=(/)
^  Call: (216) [user] is_like_space('O')
   Call: (217) [system] char_type('O', 'white')
   Fail: (217) [system] char_type('O', 'white')
   Call: (217) [system] char_type('O', end_of_line)
   Fail: (217) [system] char_type('O', end_of_line)
   Call: (217) [system] char_type('O', space)
   Fail: (217) [system] char_type('O', space)
   Call: (217) [system] char_type('O', cntrl)
   Fail: (217) [system] char_type('O', cntrl)
^  Fail: (216) [user] is_like_space('O')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1126980)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'O')
   Call: (215) [system] 'O'=')'
   Fail: (215) [system] 'O'=')'
   Call: (215) [system] 'O'=end_of_file
   Fail: (215) [system] 'O'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x563acd73bee0), _1132550)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1134408)
   Exit: (217) [system] peek_char((0x563acd73bee0), 'O')
   Call: (217) [system] 'O'=(;)
   Fail: (217) [system] 'O'=(;)
   Call: (217) [system] 'O'=(/)
   Fail: (217) [system] 'O'=(/)
^  Call: (217) [user] is_like_space('O')
   Call: (218) [system] char_type('O', 'white')
   Fail: (218) [system] char_type('O', 'white')
   Call: (218) [system] char_type('O', end_of_line)
   Fail: (218) [system] char_type('O', end_of_line)
   Call: (218) [system] char_type('O', space)
   Fail: (218) [system] char_type('O', space)
   Call: (218) [system] char_type('O', cntrl)
   Fail: (218) [system] char_type('O', cntrl)
^  Fail: (217) [user] is_like_space('O')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] get_char((0x563acd73bee0), _1150418)
   Exit: (216) [system] get_char((0x563acd73bee0), 'O')
   Call: (216) [system] 'O'='('
   Fail: (216) [system] 'O'='('
   Call: (216) [system] 'O'='['
   Fail: (216) [system] 'O'='['
   Call: (216) [system] 'O'='{'
   Fail: (216) [system] 'O'='{'
   Call: (216) [system] 'O'='"'
   Fail: (216) [system] 'O'='"'
   Call: (216) [system] 'O'=!
   Fail: (216) [system] 'O'=!
   Call: (216) [system] 'O'='\''
   Fail: (216) [system] 'O'='\''
   Call: (216) [system] 'O'='`'
   Fail: (216) [system] 'O'='`'
   Call: (216) [system] 'O'=end_of_file
   Fail: (216) [system] 'O'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x563acd73bee0), 'O', _1132550)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _1168060)
   Call: (218) [system] peek_char((0x563acd73bee0), _1168994)
   Exit: (218) [system] peek_char((0x563acd73bee0), r)
^  Call: (218) [user] is_delimiter(r)
   Call: (219) [system] char_type(r, space)
   Fail: (219) [system] char_type(r, space)
   Call: (219) [system] arg(_1173714, v('(', ')', end_of_file), r)
   Fail: (219) [system] arg(_1174646, v('(', ')', end_of_file), r)
^  Fail: (218) [user] is_delimiter(r)
   Call: (218) [system] ')'==r
   Fail: (218) [system] ')'==r
   Call: (218) [system] get_char((0x563acd73bee0), r)
   Exit: (218) [system] get_char((0x563acd73bee0), r)
   Call: (218) [system] r=(\)
   Fail: (218) [system] r=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _1181996)
   Call: (219) [system] peek_char((0x563acd73bee0), _1182930)
   Exit: (219) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (219) [user] is_delimiter('L')
   Call: (220) [system] char_type('L', space)
   Fail: (220) [system] char_type('L', space)
   Call: (220) [system] arg(_1187650, v('(', ')', end_of_file), 'L')
   Fail: (220) [system] arg(_1188582, v('(', ')', end_of_file), 'L')
^  Fail: (219) [user] is_delimiter('L')
   Call: (219) [system] ')'=='L'
   Fail: (219) [system] ')'=='L'
   Call: (219) [system] get_char((0x563acd73bee0), 'L')
   Exit: (219) [system] get_char((0x563acd73bee0), 'L')
   Call: (219) [system] 'L'=(\)
   Fail: (219) [system] 'L'=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _1195932)
   Call: (220) [system] peek_char((0x563acd73bee0), _1196866)
   Exit: (220) [system] peek_char((0x563acd73bee0), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_1201586, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_1202518, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x563acd73bee0), i)
   Exit: (220) [system] get_char((0x563acd73bee0), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _1209868)
   Call: (221) [system] peek_char((0x563acd73bee0), _1210802)
   Exit: (221) [system] peek_char((0x563acd73bee0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_1215522, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_1216454, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x563acd73bee0), n)
   Exit: (221) [system] get_char((0x563acd73bee0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _1223804)
   Call: (222) [system] peek_char((0x563acd73bee0), _1224738)
   Exit: (222) [system] peek_char((0x563acd73bee0), k)
^  Call: (222) [user] is_delimiter(k)
   Call: (223) [system] char_type(k, space)
   Fail: (223) [system] char_type(k, space)
   Call: (223) [system] arg(_1229458, v('(', ')', end_of_file), k)
   Fail: (223) [system] arg(_1230390, v('(', ')', end_of_file), k)
^  Fail: (222) [user] is_delimiter(k)
   Call: (222) [system] ')'==k
   Fail: (222) [system] ')'==k
   Call: (222) [system] get_char((0x563acd73bee0), k)
   Exit: (222) [system] get_char((0x563acd73bee0), k)
   Call: (222) [system] k=(\)
   Fail: (222) [system] k=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _1237740)
   Call: (223) [system] peek_char((0x563acd73bee0), _1238674)
   Exit: (223) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _1237740=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (222) [system] _1223804=[k]
   Exit: (222) [system] [k]=[k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (221) [system] _1209868=[n, k]
   Exit: (221) [system] [n, k]=[n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (220) [system] _1195932=[i, n, k]
   Exit: (220) [system] [i, n, k]=[i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (219) [system] _1181996=['L', i, n, k]
   Exit: (219) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (218) [system] _1168060=[r, 'L', i, n, k]
   Exit: (218) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (217) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1132550)
^  Call: (218) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1261928)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_1262880, _1262882), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1261928), _1262862, fail)), '$restore_trace'(_1262880, _1262882))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_1262880, _1262882))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1261928), _1262862, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_1261928)
   Fail: (219) [system] atomic(_1261928)
   Call: (219) [system] atom_chars(_1261928, ['O', r, 'L', i, n, k])
   Exit: (219) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (218) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (218) [system] integer('OrLink')
   Fail: (218) [system] integer('OrLink')
   Call: (218) [system] _1132550='OrLink'
   Exit: (218) [system] 'OrLink'='OrLink'
^  Exit: (217) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (216) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (215) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (215) [user] read_list(')', (0x563acd73bee0), _1276878)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1278736)
   Exit: (217) [system] peek_char((0x563acd73bee0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x563acd73bee0), _1288330)
   Exit: (217) [system] get_char((0x563acd73bee0), ' ')
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _1291034)
   Exit: (218) [system] peek_char((0x563acd73bee0), 'C')
   Call: (218) [system] 'C'=(;)
   Fail: (218) [system] 'C'=(;)
   Call: (218) [system] 'C'=(/)
   Fail: (218) [system] 'C'=(/)
^  Call: (218) [user] is_like_space('C')
   Call: (219) [system] char_type('C', 'white')
   Fail: (219) [system] char_type('C', 'white')
   Call: (219) [system] char_type('C', end_of_line)
   Fail: (219) [system] char_type('C', end_of_line)
   Call: (219) [system] char_type('C', space)
   Fail: (219) [system] char_type('C', space)
   Call: (219) [system] char_type('C', cntrl)
   Fail: (219) [system] char_type('C', cntrl)
^  Fail: (218) [user] is_like_space('C')
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1307968)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'C')
   Call: (216) [system] 'C'=')'
   Fail: (216) [system] 'C'=')'
   Call: (216) [system] 'C'=end_of_file
   Fail: (216) [system] 'C'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x563acd73bee0), _1313538)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _1315396)
   Exit: (218) [system] peek_char((0x563acd73bee0), 'C')
   Call: (218) [system] 'C'=(;)
   Fail: (218) [system] 'C'=(;)
   Call: (218) [system] 'C'=(/)
   Fail: (218) [system] 'C'=(/)
^  Call: (218) [user] is_like_space('C')
   Call: (219) [system] char_type('C', 'white')
   Fail: (219) [system] char_type('C', 'white')
   Call: (219) [system] char_type('C', end_of_line)
   Fail: (219) [system] char_type('C', end_of_line)
   Call: (219) [system] char_type('C', space)
   Fail: (219) [system] char_type('C', space)
   Call: (219) [system] char_type('C', cntrl)
   Fail: (219) [system] char_type('C', cntrl)
^  Fail: (218) [user] is_like_space('C')
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] get_char((0x563acd73bee0), _1331406)
   Exit: (217) [system] get_char((0x563acd73bee0), 'C')
   Call: (217) [system] 'C'='('
   Fail: (217) [system] 'C'='('
   Call: (217) [system] 'C'='['
   Fail: (217) [system] 'C'='['
   Call: (217) [system] 'C'='{'
   Fail: (217) [system] 'C'='{'
   Call: (217) [system] 'C'='"'
   Fail: (217) [system] 'C'='"'
   Call: (217) [system] 'C'=!
   Fail: (217) [system] 'C'=!
   Call: (217) [system] 'C'='\''
   Fail: (217) [system] 'C'='\''
   Call: (217) [system] 'C'='`'
   Fail: (217) [system] 'C'='`'
   Call: (217) [system] 'C'=end_of_file
   Fail: (217) [system] 'C'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x563acd73bee0), 'C', _1313538)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _1349048)
   Call: (219) [system] peek_char((0x563acd73bee0), _1349982)
   Exit: (219) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _1349048=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (218) [user] classify_and_convert_charseq(['C'], _1313538)
^  Call: (219) [user] classify_and_convert_charseq_(['C'], _1359266)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_1360218, _1360220), once(user:catch(read_from_chars(['C'], _1359266), _1360200, fail)), '$restore_trace'(_1360218, _1360220))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_1360218, _1360220))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1359266), _1360200, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_1359266)
   Fail: (220) [system] atomic(_1359266)
   Call: (220) [system] atom_chars(_1359266, ['C'])
   Exit: (220) [system] atom_chars('C', ['C'])
^  Exit: (219) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (219) [system] integer('C')
   Fail: (219) [system] integer('C')
   Call: (219) [system] _1313538='C'
   Exit: (219) [system] 'C'='C'
^  Exit: (218) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (217) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (216) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (216) [user] read_list(')', (0x563acd73bee0), _1374216)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _1376074)
   Exit: (218) [system] peek_char((0x563acd73bee0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x563acd73bee0), _1385668)
   Exit: (218) [system] get_char((0x563acd73bee0), ' ')
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _1388372)
   Exit: (219) [system] peek_char((0x563acd73bee0), 'D')
   Call: (219) [system] 'D'=(;)
   Fail: (219) [system] 'D'=(;)
   Call: (219) [system] 'D'=(/)
   Fail: (219) [system] 'D'=(/)
^  Call: (219) [user] is_like_space('D')
   Call: (220) [system] char_type('D', 'white')
   Fail: (220) [system] char_type('D', 'white')
   Call: (220) [system] char_type('D', end_of_line)
   Fail: (220) [system] char_type('D', end_of_line)
   Call: (220) [system] char_type('D', space)
   Fail: (220) [system] char_type('D', space)
   Call: (220) [system] char_type('D', cntrl)
   Fail: (220) [system] char_type('D', cntrl)
^  Fail: (219) [user] is_like_space('D')
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1405306)
   Exit: (217) [system] peek_char((0x563acd73bee0), 'D')
   Call: (217) [system] 'D'=')'
   Fail: (217) [system] 'D'=')'
   Call: (217) [system] 'D'=end_of_file
   Fail: (217) [system] 'D'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x563acd73bee0), _1410876)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _1412734)
   Exit: (219) [system] peek_char((0x563acd73bee0), 'D')
   Call: (219) [system] 'D'=(;)
   Fail: (219) [system] 'D'=(;)
   Call: (219) [system] 'D'=(/)
   Fail: (219) [system] 'D'=(/)
^  Call: (219) [user] is_like_space('D')
   Call: (220) [system] char_type('D', 'white')
   Fail: (220) [system] char_type('D', 'white')
   Call: (220) [system] char_type('D', end_of_line)
   Fail: (220) [system] char_type('D', end_of_line)
   Call: (220) [system] char_type('D', space)
   Fail: (220) [system] char_type('D', space)
   Call: (220) [system] char_type('D', cntrl)
   Fail: (220) [system] char_type('D', cntrl)
^  Fail: (219) [user] is_like_space('D')
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] get_char((0x563acd73bee0), _1428744)
   Exit: (218) [system] get_char((0x563acd73bee0), 'D')
   Call: (218) [system] 'D'='('
   Fail: (218) [system] 'D'='('
   Call: (218) [system] 'D'='['
   Fail: (218) [system] 'D'='['
   Call: (218) [system] 'D'='{'
   Fail: (218) [system] 'D'='{'
   Call: (218) [system] 'D'='"'
   Fail: (218) [system] 'D'='"'
   Call: (218) [system] 'D'=!
   Fail: (218) [system] 'D'=!
   Call: (218) [system] 'D'='\''
   Fail: (218) [system] 'D'='\''
   Call: (218) [system] 'D'='`'
   Fail: (218) [system] 'D'='`'
   Call: (218) [system] 'D'=end_of_file
   Fail: (218) [system] 'D'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x563acd73bee0), 'D', _1410876)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _1446386)
   Call: (220) [system] peek_char((0x563acd73bee0), _1447320)
   Exit: (220) [system] peek_char((0x563acd73bee0), ')')
^  Call: (220) [user] is_delimiter(')')
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] arg(_1452040, v('(', ')', end_of_file), ')')
   Exit: (221) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (220) [user] is_delimiter(')')
   Call: (220) [system] _1446386=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (219) [user] classify_and_convert_charseq(['D'], _1410876)
^  Call: (220) [user] classify_and_convert_charseq_(['D'], _1458476)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_1459428, _1459430), once(user:catch(read_from_chars(['D'], _1458476), _1459410, fail)), '$restore_trace'(_1459428, _1459430))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_1459428, _1459430))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1458476), _1459410, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_1458476)
   Fail: (221) [system] atomic(_1458476)
   Call: (221) [system] atom_chars(_1458476, ['D'])
   Exit: (221) [system] atom_chars('D', ['D'])
^  Exit: (220) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (220) [system] integer('D')
   Fail: (220) [system] integer('D')
   Call: (220) [system] _1410876='D'
   Exit: (220) [system] 'D'='D'
^  Exit: (219) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (218) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'D')
^  Exit: (217) [user] cont_sexpr(')', (0x563acd73bee0), 'D')
^  Call: (217) [user] read_list(')', (0x563acd73bee0), _1473426)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _1475284)
   Exit: (219) [system] peek_char((0x563acd73bee0), ')')
   Call: (219) [system] ')'=(;)
   Fail: (219) [system] ')'=(;)
   Call: (219) [system] ')'=(/)
   Fail: (219) [system] ')'=(/)
^  Call: (219) [user] is_like_space(')')
   Call: (220) [system] char_type(')', 'white')
   Fail: (220) [system] char_type(')', 'white')
   Call: (220) [system] char_type(')', end_of_line)
   Fail: (220) [system] char_type(')', end_of_line)
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] char_type(')', cntrl)
   Fail: (220) [system] char_type(')', cntrl)
^  Fail: (219) [user] is_like_space(')')
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _1491294)
   Exit: (218) [system] peek_char((0x563acd73bee0), ')')
   Call: (218) [system] ')'=')'
   Exit: (218) [system] ')'=')'
   Call: (218) [system] get_char((0x563acd73bee0), _1495084)
   Exit: (218) [system] get_char((0x563acd73bee0), ')')
   Call: (218) [system] _1473426=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_list(')', (0x563acd73bee0), [])
   Call: (217) [system] _1374216=['D']
   Exit: (217) [system] ['D']=['D']
^  Exit: (216) [user] read_list(')', (0x563acd73bee0), ['D'])
   Call: (216) [system] _1276878=['C', 'D']
   Exit: (216) [system] ['C', 'D']=['C', 'D']
^  Exit: (215) [user] read_list(')', (0x563acd73bee0), ['C', 'D'])
   Call: (215) [system] _1087532=['OrLink', 'C', 'D']
   Exit: (215) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (214) [user] read_list(')', (0x563acd73bee0), ['OrLink', 'C', 'D'])
^  Exit: (213) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', 'C', 'D'])
^  Call: (213) [user] read_list(')', (0x563acd73bee0), _1508966)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1510824)
   Exit: (215) [system] peek_char((0x563acd73bee0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x563acd73bee0), _1520418)
   Exit: (215) [system] get_char((0x563acd73bee0), ' ')
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1523122)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'E')
   Call: (216) [system] 'E'=(;)
   Fail: (216) [system] 'E'=(;)
   Call: (216) [system] 'E'=(/)
   Fail: (216) [system] 'E'=(/)
^  Call: (216) [user] is_like_space('E')
   Call: (217) [system] char_type('E', 'white')
   Fail: (217) [system] char_type('E', 'white')
   Call: (217) [system] char_type('E', end_of_line)
   Fail: (217) [system] char_type('E', end_of_line)
   Call: (217) [system] char_type('E', space)
   Fail: (217) [system] char_type('E', space)
   Call: (217) [system] char_type('E', cntrl)
   Fail: (217) [system] char_type('E', cntrl)
^  Fail: (216) [user] is_like_space('E')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1540056)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'E')
   Call: (214) [system] 'E'=')'
   Fail: (214) [system] 'E'=')'
   Call: (214) [system] 'E'=end_of_file
   Fail: (214) [system] 'E'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x563acd73bee0), _1545626)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1547484)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'E')
   Call: (216) [system] 'E'=(;)
   Fail: (216) [system] 'E'=(;)
   Call: (216) [system] 'E'=(/)
   Fail: (216) [system] 'E'=(/)
^  Call: (216) [user] is_like_space('E')
   Call: (217) [system] char_type('E', 'white')
   Fail: (217) [system] char_type('E', 'white')
   Call: (217) [system] char_type('E', end_of_line)
   Fail: (217) [system] char_type('E', end_of_line)
   Call: (217) [system] char_type('E', space)
   Fail: (217) [system] char_type('E', space)
   Call: (217) [system] char_type('E', cntrl)
   Fail: (217) [system] char_type('E', cntrl)
^  Fail: (216) [user] is_like_space('E')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] get_char((0x563acd73bee0), _1563494)
   Exit: (215) [system] get_char((0x563acd73bee0), 'E')
   Call: (215) [system] 'E'='('
   Fail: (215) [system] 'E'='('
   Call: (215) [system] 'E'='['
   Fail: (215) [system] 'E'='['
   Call: (215) [system] 'E'='{'
   Fail: (215) [system] 'E'='{'
   Call: (215) [system] 'E'='"'
   Fail: (215) [system] 'E'='"'
   Call: (215) [system] 'E'=!
   Fail: (215) [system] 'E'=!
   Call: (215) [system] 'E'='\''
   Fail: (215) [system] 'E'='\''
   Call: (215) [system] 'E'='`'
   Fail: (215) [system] 'E'='`'
   Call: (215) [system] 'E'=end_of_file
   Fail: (215) [system] 'E'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x563acd73bee0), 'E', _1545626)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _1581136)
   Call: (217) [system] peek_char((0x563acd73bee0), _1582070)
   Exit: (217) [system] peek_char((0x563acd73bee0), ')')
^  Call: (217) [user] is_delimiter(')')
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] arg(_1586790, v('(', ')', end_of_file), ')')
   Exit: (218) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (217) [user] is_delimiter(')')
   Call: (217) [system] _1581136=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (216) [user] classify_and_convert_charseq(['E'], _1545626)
^  Call: (217) [user] classify_and_convert_charseq_(['E'], _1593226)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1594178, _1594180), once(user:catch(read_from_chars(['E'], _1593226), _1594160, fail)), '$restore_trace'(_1594178, _1594180))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1594178, _1594180))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1593226), _1594160, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_1593226)
   Fail: (218) [system] atomic(_1593226)
   Call: (218) [system] atom_chars(_1593226, ['E'])
   Exit: (218) [system] atom_chars('E', ['E'])
^  Exit: (217) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (217) [system] integer('E')
   Fail: (217) [system] integer('E')
   Call: (217) [system] _1545626='E'
   Exit: (217) [system] 'E'='E'
^  Exit: (216) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (215) [user] read_symbolic(')', (0x563acd73bee0), 'E', 'E')
^  Exit: (214) [user] cont_sexpr(')', (0x563acd73bee0), 'E')
^  Call: (214) [user] read_list(')', (0x563acd73bee0), _1608176)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1610034)
   Exit: (216) [system] peek_char((0x563acd73bee0), ')')
   Call: (216) [system] ')'=(;)
   Fail: (216) [system] ')'=(;)
   Call: (216) [system] ')'=(/)
   Fail: (216) [system] ')'=(/)
^  Call: (216) [user] is_like_space(')')
   Call: (217) [system] char_type(')', 'white')
   Fail: (217) [system] char_type(')', 'white')
   Call: (217) [system] char_type(')', end_of_line)
   Fail: (217) [system] char_type(')', end_of_line)
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] char_type(')', cntrl)
   Fail: (217) [system] char_type(')', cntrl)
^  Fail: (216) [user] is_like_space(')')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1626044)
   Exit: (215) [system] peek_char((0x563acd73bee0), ')')
   Call: (215) [system] ')'=')'
   Exit: (215) [system] ')'=')'
   Call: (215) [system] get_char((0x563acd73bee0), _1629834)
   Exit: (215) [system] get_char((0x563acd73bee0), ')')
   Call: (215) [system] _1608176=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_list(')', (0x563acd73bee0), [])
   Call: (214) [system] _1508966=['E']
   Exit: (214) [system] ['E']=['E']
^  Exit: (213) [user] read_list(')', (0x563acd73bee0), ['E'])
   Call: (213) [system] _1050872=[['OrLink', 'C', 'D'], 'E']
   Exit: (213) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (212) [user] read_list(')', (0x563acd73bee0), [['OrLink', 'C', 'D'], 'E'])
   Call: (212) [system] _777876=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (212) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (211) [user] read_list(')', (0x563acd73bee0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (210) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (210) [user] read_list(')', (0x563acd73bee0), _1643716)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1645574)
   Exit: (212) [system] peek_char((0x563acd73bee0), ')')
   Call: (212) [system] ')'=(;)
   Fail: (212) [system] ')'=(;)
   Call: (212) [system] ')'=(/)
   Fail: (212) [system] ')'=(/)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Fail: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Fail: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
   Fail: (213) [system] char_type(')', cntrl)
^  Fail: (212) [user] is_like_space(')')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1661584)
   Exit: (211) [system] peek_char((0x563acd73bee0), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x563acd73bee0), _1665374)
   Exit: (211) [system] get_char((0x563acd73bee0), ')')
   Call: (211) [system] _1643716=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x563acd73bee0), [])
   Call: (210) [system] _741216=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (210) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (209) [user] read_list(')', (0x563acd73bee0), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (209) [system] _643878=['A', ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (209) [system] ['A', ['Implication', ['OrLink', 'C', 'D'], 'E']]=['A', ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (208) [user] read_list(')', (0x563acd73bee0), ['A', ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (208) [system] _437802=['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (208) [system] ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]=['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (207) [user] read_list(')', (0x563acd73bee0), ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (206) [user] cont_sexpr(')', (0x563acd73bee0), ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (206) [user] read_list(')', (0x563acd73bee0), _1679256)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1681114)
   Exit: (208) [system] peek_char((0x563acd73bee0), ')')
   Call: (208) [system] ')'=(;)
   Fail: (208) [system] ')'=(;)
   Call: (208) [system] ')'=(/)
   Fail: (208) [system] ')'=(/)
^  Call: (208) [user] is_like_space(')')
   Call: (209) [system] char_type(')', 'white')
   Fail: (209) [system] char_type(')', 'white')
   Call: (209) [system] char_type(')', end_of_line)
   Fail: (209) [system] char_type(')', end_of_line)
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] char_type(')', cntrl)
   Fail: (209) [system] char_type(')', cntrl)
^  Fail: (208) [user] is_like_space(')')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1697124)
   Exit: (207) [system] peek_char((0x563acd73bee0), ')')
   Call: (207) [system] ')'=')'
   Exit: (207) [system] ')'=')'
   Call: (207) [system] get_char((0x563acd73bee0), _1700914)
   Exit: (207) [system] get_char((0x563acd73bee0), ')')
   Call: (207) [system] _1679256=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_list(')', (0x563acd73bee0), [])
   Call: (206) [system] _401142=[['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (206) [system] [['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (205) [user] read_list(')', (0x563acd73bee0), [['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (205) [system] _4636=[['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (205) [system] [['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (204) [user] read_list(')', (0x563acd73bee0), [['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (204) [system] _4628=[:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (204) [system] [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (203) [user] read_list(')', (0x563acd73bee0), [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (202) [user] cont_sexpr(')', (0x563acd73bee0), [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (202) [user] read_list(')', (0x563acd73bee0), _1714796)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1716654)
   Exit: (204) [system] peek_char((0x563acd73bee0), '\n')
   Call: (204) [system] '\n'=(;)
   Fail: (204) [system] '\n'=(;)
   Call: (204) [system] '\n'=(/)
   Fail: (204) [system] '\n'=(/)
^  Call: (204) [user] is_like_space('\n')
   Call: (205) [system] char_type('\n', 'white')
   Fail: (205) [system] char_type('\n', 'white')
   Call: (205) [system] char_type('\n', end_of_line)
   Exit: (205) [system] char_type('\n', end_of_line)
^  Exit: (204) [user] is_like_space('\n')
   Call: (204) [system] get_char((0x563acd73bee0), _1728104)
   Exit: (204) [system] get_char((0x563acd73bee0), '\n')
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1730808)
   Exit: (205) [system] peek_char((0x563acd73bee0), '\t')
   Call: (205) [system] '\t'=(;)
   Fail: (205) [system] '\t'=(;)
   Call: (205) [system] '\t'=(/)
   Fail: (205) [system] '\t'=(/)
^  Call: (205) [user] is_like_space('\t')
   Call: (206) [system] char_type('\t', 'white')
   Exit: (206) [system] char_type('\t', 'white')
^  Exit: (205) [user] is_like_space('\t')
   Call: (205) [system] get_char((0x563acd73bee0), _1740402)
   Exit: (205) [system] get_char((0x563acd73bee0), '\t')
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1743106)
   Exit: (206) [system] peek_char((0x563acd73bee0), '\t')
   Call: (206) [system] '\t'=(;)
   Fail: (206) [system] '\t'=(;)
   Call: (206) [system] '\t'=(/)
   Fail: (206) [system] '\t'=(/)
^  Call: (206) [user] is_like_space('\t')
   Call: (207) [system] char_type('\t', 'white')
   Exit: (207) [system] char_type('\t', 'white')
^  Exit: (206) [user] is_like_space('\t')
   Call: (206) [system] get_char((0x563acd73bee0), _1752700)
   Exit: (206) [system] get_char((0x563acd73bee0), '\t')
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1755404)
   Exit: (207) [system] peek_char((0x563acd73bee0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
   Call: (207) [system] ' '=(/)
   Fail: (207) [system] ' '=(/)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x563acd73bee0), _1764998)
   Exit: (207) [system] get_char((0x563acd73bee0), ' ')
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1767702)
   Exit: (208) [system] peek_char((0x563acd73bee0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1787408)
   Exit: (203) [system] peek_char((0x563acd73bee0), '(')
   Call: (203) [system] '('=')'
   Fail: (203) [system] '('=')'
   Call: (203) [system] '('=end_of_file
   Fail: (203) [system] '('=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x563acd73bee0), _1792978)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1794836)
   Exit: (205) [system] peek_char((0x563acd73bee0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] get_char((0x563acd73bee0), _1810846)
   Exit: (204) [system] get_char((0x563acd73bee0), '(')
   Call: (204) [system] '('='('
   Exit: (204) [system] '('='('
^  Call: (204) [user] read_list(')', (0x563acd73bee0), _1792978)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1816416)
   Exit: (206) [system] peek_char((0x563acd73bee0), :)
   Call: (206) [system] (:)=(;)
   Fail: (206) [system] (:)=(;)
   Call: (206) [system] (:)=(/)
   Fail: (206) [system] (:)=(/)
^  Call: (206) [user] is_like_space(:)
   Call: (207) [system] char_type(:, 'white')
   Fail: (207) [system] char_type(:, 'white')
   Call: (207) [system] char_type(:, end_of_line)
   Fail: (207) [system] char_type(:, end_of_line)
   Call: (207) [system] char_type(:, space)
   Fail: (207) [system] char_type(:, space)
   Call: (207) [system] char_type(:, cntrl)
   Fail: (207) [system] char_type(:, cntrl)
^  Fail: (206) [user] is_like_space(:)
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1832426)
   Exit: (205) [system] peek_char((0x563acd73bee0), :)
   Call: (205) [system] (:)=')'
   Fail: (205) [system] (:)=')'
   Call: (205) [system] (:)=end_of_file
   Fail: (205) [system] (:)=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x563acd73bee0), _1837996)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1839854)
   Exit: (207) [system] peek_char((0x563acd73bee0), :)
   Call: (207) [system] (:)=(;)
   Fail: (207) [system] (:)=(;)
   Call: (207) [system] (:)=(/)
   Fail: (207) [system] (:)=(/)
^  Call: (207) [user] is_like_space(:)
   Call: (208) [system] char_type(:, 'white')
   Fail: (208) [system] char_type(:, 'white')
   Call: (208) [system] char_type(:, end_of_line)
   Fail: (208) [system] char_type(:, end_of_line)
   Call: (208) [system] char_type(:, space)
   Fail: (208) [system] char_type(:, space)
   Call: (208) [system] char_type(:, cntrl)
   Fail: (208) [system] char_type(:, cntrl)
^  Fail: (207) [user] is_like_space(:)
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] get_char((0x563acd73bee0), _1855864)
   Exit: (206) [system] get_char((0x563acd73bee0), :)
   Call: (206) [system] (:)='('
   Fail: (206) [system] (:)='('
   Call: (206) [system] (:)='['
   Fail: (206) [system] (:)='['
   Call: (206) [system] (:)='{'
   Fail: (206) [system] (:)='{'
   Call: (206) [system] (:)='"'
   Fail: (206) [system] (:)='"'
   Call: (206) [system] (:)=!
   Fail: (206) [system] (:)=!
   Call: (206) [system] (:)='\''
   Fail: (206) [system] (:)='\''
   Call: (206) [system] (:)='`'
   Fail: (206) [system] (:)='`'
   Call: (206) [system] (:)=end_of_file
   Fail: (206) [system] (:)=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x563acd73bee0), :, _1837996)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1873506)
   Call: (208) [system] peek_char((0x563acd73bee0), _1874440)
   Exit: (208) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _1873506=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (207) [user] classify_and_convert_charseq([:], _1837996)
^  Call: (208) [user] classify_and_convert_charseq_([:], _1883724)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_1884676, _1884678), once(user:catch(read_from_chars([:], _1883724), _1884658, fail)), '$restore_trace'(_1884676, _1884678))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_1884676, _1884678))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1884658, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(:)
   Exit: (209) [system] atomic(:)
^  Exit: (208) [user] classify_and_convert_charseq_([:], :)
   Call: (208) [system] integer(:)
   Fail: (208) [system] integer(:)
   Call: (208) [system] _1837996=(:)
   Exit: (208) [system] (:)=(:)
^  Exit: (207) [user] classify_and_convert_charseq([:], :)
^  Exit: (206) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (205) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (205) [user] read_list(')', (0x563acd73bee0), _1896804)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1898662)
   Exit: (207) [system] peek_char((0x563acd73bee0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
   Call: (207) [system] ' '=(/)
   Fail: (207) [system] ' '=(/)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x563acd73bee0), _1908256)
   Exit: (207) [system] get_char((0x563acd73bee0), ' ')
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1910960)
   Exit: (208) [system] peek_char((0x563acd73bee0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1927894)
   Exit: (206) [system] peek_char((0x563acd73bee0), '(')
   Call: (206) [system] '('=')'
   Fail: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
   Fail: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x563acd73bee0), _1933464)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1935322)
   Exit: (208) [system] peek_char((0x563acd73bee0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] get_char((0x563acd73bee0), _1951332)
   Exit: (207) [system] get_char((0x563acd73bee0), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x563acd73bee0), _1933464)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1956902)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'C')
   Call: (209) [system] 'C'=(;)
   Fail: (209) [system] 'C'=(;)
   Call: (209) [system] 'C'=(/)
   Fail: (209) [system] 'C'=(/)
^  Call: (209) [user] is_like_space('C')
   Call: (210) [system] char_type('C', 'white')
   Fail: (210) [system] char_type('C', 'white')
   Call: (210) [system] char_type('C', end_of_line)
   Fail: (210) [system] char_type('C', end_of_line)
   Call: (210) [system] char_type('C', space)
   Fail: (210) [system] char_type('C', space)
   Call: (210) [system] char_type('C', cntrl)
   Fail: (210) [system] char_type('C', cntrl)
^  Fail: (209) [user] is_like_space('C')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1972912)
   Exit: (208) [system] peek_char((0x563acd73bee0), 'C')
   Call: (208) [system] 'C'=')'
   Fail: (208) [system] 'C'=')'
   Call: (208) [system] 'C'=end_of_file
   Fail: (208) [system] 'C'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x563acd73bee0), _1978482)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1980340)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'C')
   Call: (210) [system] 'C'=(;)
   Fail: (210) [system] 'C'=(;)
   Call: (210) [system] 'C'=(/)
   Fail: (210) [system] 'C'=(/)
^  Call: (210) [user] is_like_space('C')
   Call: (211) [system] char_type('C', 'white')
   Fail: (211) [system] char_type('C', 'white')
   Call: (211) [system] char_type('C', end_of_line)
   Fail: (211) [system] char_type('C', end_of_line)
   Call: (211) [system] char_type('C', space)
   Fail: (211) [system] char_type('C', space)
   Call: (211) [system] char_type('C', cntrl)
   Fail: (211) [system] char_type('C', cntrl)
^  Fail: (210) [user] is_like_space('C')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] get_char((0x563acd73bee0), _1996350)
   Exit: (209) [system] get_char((0x563acd73bee0), 'C')
   Call: (209) [system] 'C'='('
   Fail: (209) [system] 'C'='('
   Call: (209) [system] 'C'='['
   Fail: (209) [system] 'C'='['
   Call: (209) [system] 'C'='{'
   Fail: (209) [system] 'C'='{'
   Call: (209) [system] 'C'='"'
   Fail: (209) [system] 'C'='"'
   Call: (209) [system] 'C'=!
   Fail: (209) [system] 'C'=!
   Call: (209) [system] 'C'='\''
   Fail: (209) [system] 'C'='\''
   Call: (209) [system] 'C'='`'
   Fail: (209) [system] 'C'='`'
   Call: (209) [system] 'C'=end_of_file
   Fail: (209) [system] 'C'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x563acd73bee0), 'C', _1978482)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _2013992)
   Call: (211) [system] peek_char((0x563acd73bee0), _2014926)
   Exit: (211) [system] peek_char((0x563acd73bee0), o)
^  Call: (211) [user] is_delimiter(o)
   Call: (212) [system] char_type(o, space)
   Fail: (212) [system] char_type(o, space)
   Call: (212) [system] arg(_2019646, v('(', ')', end_of_file), o)
   Fail: (212) [system] arg(_2020578, v('(', ')', end_of_file), o)
^  Fail: (211) [user] is_delimiter(o)
   Call: (211) [system] ')'==o
   Fail: (211) [system] ')'==o
   Call: (211) [system] get_char((0x563acd73bee0), o)
   Exit: (211) [system] get_char((0x563acd73bee0), o)
   Call: (211) [system] o=(\)
   Fail: (211) [system] o=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _2027928)
   Call: (212) [system] peek_char((0x563acd73bee0), _2028862)
   Exit: (212) [system] peek_char((0x563acd73bee0), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Fail: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_2033582, v('(', ')', end_of_file), n)
   Fail: (213) [system] arg(_2034514, v('(', ')', end_of_file), n)
^  Fail: (212) [user] is_delimiter(n)
   Call: (212) [system] ')'==n
   Fail: (212) [system] ')'==n
   Call: (212) [system] get_char((0x563acd73bee0), n)
   Exit: (212) [system] get_char((0x563acd73bee0), n)
   Call: (212) [system] n=(\)
   Fail: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _2041864)
   Call: (213) [system] peek_char((0x563acd73bee0), _2042798)
   Exit: (213) [system] peek_char((0x563acd73bee0), j)
^  Call: (213) [user] is_delimiter(j)
   Call: (214) [system] char_type(j, space)
   Fail: (214) [system] char_type(j, space)
   Call: (214) [system] arg(_2047518, v('(', ')', end_of_file), j)
   Fail: (214) [system] arg(_2048450, v('(', ')', end_of_file), j)
^  Fail: (213) [user] is_delimiter(j)
   Call: (213) [system] ')'==j
   Fail: (213) [system] ')'==j
   Call: (213) [system] get_char((0x563acd73bee0), j)
   Exit: (213) [system] get_char((0x563acd73bee0), j)
   Call: (213) [system] j=(\)
   Fail: (213) [system] j=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _2055800)
   Call: (214) [system] peek_char((0x563acd73bee0), _2056734)
   Exit: (214) [system] peek_char((0x563acd73bee0), u)
^  Call: (214) [user] is_delimiter(u)
   Call: (215) [system] char_type(u, space)
   Fail: (215) [system] char_type(u, space)
   Call: (215) [system] arg(_2061454, v('(', ')', end_of_file), u)
   Fail: (215) [system] arg(_2062386, v('(', ')', end_of_file), u)
^  Fail: (214) [user] is_delimiter(u)
   Call: (214) [system] ')'==u
   Fail: (214) [system] ')'==u
   Call: (214) [system] get_char((0x563acd73bee0), u)
   Exit: (214) [system] get_char((0x563acd73bee0), u)
   Call: (214) [system] u=(\)
   Fail: (214) [system] u=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _2069736)
   Call: (215) [system] peek_char((0x563acd73bee0), _2070670)
   Exit: (215) [system] peek_char((0x563acd73bee0), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_2075390, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_2076322, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x563acd73bee0), n)
   Exit: (215) [system] get_char((0x563acd73bee0), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _2083672)
   Call: (216) [system] peek_char((0x563acd73bee0), _2084606)
   Exit: (216) [system] peek_char((0x563acd73bee0), c)
^  Call: (216) [user] is_delimiter(c)
   Call: (217) [system] char_type(c, space)
   Fail: (217) [system] char_type(c, space)
   Call: (217) [system] arg(_2089326, v('(', ')', end_of_file), c)
   Fail: (217) [system] arg(_2090258, v('(', ')', end_of_file), c)
^  Fail: (216) [user] is_delimiter(c)
   Call: (216) [system] ')'==c
   Fail: (216) [system] ')'==c
   Call: (216) [system] get_char((0x563acd73bee0), c)
   Exit: (216) [system] get_char((0x563acd73bee0), c)
   Call: (216) [system] c=(\)
   Fail: (216) [system] c=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _5518)
   Call: (217) [system] peek_char((0x563acd73bee0), _6452)
   Exit: (217) [system] peek_char((0x563acd73bee0), t)
^  Call: (217) [user] is_delimiter(t)
   Call: (218) [system] char_type(t, space)
   Fail: (218) [system] char_type(t, space)
   Call: (218) [system] arg(_11172, v('(', ')', end_of_file), t)
   Fail: (218) [system] arg(_12104, v('(', ')', end_of_file), t)
^  Fail: (217) [user] is_delimiter(t)
   Call: (217) [system] ')'==t
   Fail: (217) [system] ')'==t
   Call: (217) [system] get_char((0x563acd73bee0), t)
   Exit: (217) [system] get_char((0x563acd73bee0), t)
   Call: (217) [system] t=(\)
   Fail: (217) [system] t=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _19454)
   Call: (218) [system] peek_char((0x563acd73bee0), _20388)
   Exit: (218) [system] peek_char((0x563acd73bee0), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Fail: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_25108, v('(', ')', end_of_file), i)
   Fail: (219) [system] arg(_26040, v('(', ')', end_of_file), i)
^  Fail: (218) [user] is_delimiter(i)
   Call: (218) [system] ')'==i
   Fail: (218) [system] ')'==i
   Call: (218) [system] get_char((0x563acd73bee0), i)
   Exit: (218) [system] get_char((0x563acd73bee0), i)
   Call: (218) [system] i=(\)
   Fail: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _33390)
   Call: (219) [system] peek_char((0x563acd73bee0), _34324)
   Exit: (219) [system] peek_char((0x563acd73bee0), o)
^  Call: (219) [user] is_delimiter(o)
   Call: (220) [system] char_type(o, space)
   Fail: (220) [system] char_type(o, space)
   Call: (220) [system] arg(_39044, v('(', ')', end_of_file), o)
   Fail: (220) [system] arg(_39976, v('(', ')', end_of_file), o)
^  Fail: (219) [user] is_delimiter(o)
   Call: (219) [system] ')'==o
   Fail: (219) [system] ')'==o
   Call: (219) [system] get_char((0x563acd73bee0), o)
   Exit: (219) [system] get_char((0x563acd73bee0), o)
   Call: (219) [system] o=(\)
   Fail: (219) [system] o=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _47326)
   Call: (220) [system] peek_char((0x563acd73bee0), _48260)
   Exit: (220) [system] peek_char((0x563acd73bee0), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_52980, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_53912, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x563acd73bee0), n)
   Exit: (220) [system] get_char((0x563acd73bee0), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _61262)
   Call: (221) [system] peek_char((0x563acd73bee0), _62196)
   Exit: (221) [system] peek_char((0x563acd73bee0), 'I')
^  Call: (221) [user] is_delimiter('I')
   Call: (222) [system] char_type('I', space)
   Fail: (222) [system] char_type('I', space)
   Call: (222) [system] arg(_66916, v('(', ')', end_of_file), 'I')
   Fail: (222) [system] arg(_67848, v('(', ')', end_of_file), 'I')
^  Fail: (221) [user] is_delimiter('I')
   Call: (221) [system] ')'=='I'
   Fail: (221) [system] ')'=='I'
   Call: (221) [system] get_char((0x563acd73bee0), 'I')
   Exit: (221) [system] get_char((0x563acd73bee0), 'I')
   Call: (221) [system] 'I'=(\)
   Fail: (221) [system] 'I'=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _75198)
   Call: (222) [system] peek_char((0x563acd73bee0), _76132)
   Exit: (222) [system] peek_char((0x563acd73bee0), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_80852, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_81784, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x563acd73bee0), n)
   Exit: (222) [system] get_char((0x563acd73bee0), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _89134)
   Call: (223) [system] peek_char((0x563acd73bee0), _90068)
   Exit: (223) [system] peek_char((0x563acd73bee0), t)
^  Call: (223) [user] is_delimiter(t)
   Call: (224) [system] char_type(t, space)
   Fail: (224) [system] char_type(t, space)
   Call: (224) [system] arg(_94788, v('(', ')', end_of_file), t)
   Fail: (224) [system] arg(_95720, v('(', ')', end_of_file), t)
^  Fail: (223) [user] is_delimiter(t)
   Call: (223) [system] ')'==t
   Fail: (223) [system] ')'==t
   Call: (223) [system] get_char((0x563acd73bee0), t)
   Exit: (223) [system] get_char((0x563acd73bee0), t)
   Call: (223) [system] t=(\)
   Fail: (223) [system] t=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _103070)
   Call: (224) [system] peek_char((0x563acd73bee0), _104004)
   Exit: (224) [system] peek_char((0x563acd73bee0), r)
^  Call: (224) [user] is_delimiter(r)
   Call: (225) [system] char_type(r, space)
   Fail: (225) [system] char_type(r, space)
   Call: (225) [system] arg(_108724, v('(', ')', end_of_file), r)
   Fail: (225) [system] arg(_109656, v('(', ')', end_of_file), r)
^  Fail: (224) [user] is_delimiter(r)
   Call: (224) [system] ')'==r
   Fail: (224) [system] ')'==r
   Call: (224) [system] get_char((0x563acd73bee0), r)
   Exit: (224) [system] get_char((0x563acd73bee0), r)
   Call: (224) [system] r=(\)
   Fail: (224) [system] r=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _117006)
   Call: (225) [system] peek_char((0x563acd73bee0), _117940)
   Exit: (225) [system] peek_char((0x563acd73bee0), o)
^  Call: (225) [user] is_delimiter(o)
   Call: (226) [system] char_type(o, space)
   Fail: (226) [system] char_type(o, space)
   Call: (226) [system] arg(_122660, v('(', ')', end_of_file), o)
   Fail: (226) [system] arg(_123592, v('(', ')', end_of_file), o)
^  Fail: (225) [user] is_delimiter(o)
   Call: (225) [system] ')'==o
   Fail: (225) [system] ')'==o
   Call: (225) [system] get_char((0x563acd73bee0), o)
   Exit: (225) [system] get_char((0x563acd73bee0), o)
   Call: (225) [system] o=(\)
   Fail: (225) [system] o=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _130942)
   Call: (226) [system] peek_char((0x563acd73bee0), _131876)
   Exit: (226) [system] peek_char((0x563acd73bee0), d)
^  Call: (226) [user] is_delimiter(d)
   Call: (227) [system] char_type(d, space)
   Fail: (227) [system] char_type(d, space)
   Call: (227) [system] arg(_136596, v('(', ')', end_of_file), d)
   Fail: (227) [system] arg(_137528, v('(', ')', end_of_file), d)
^  Fail: (226) [user] is_delimiter(d)
   Call: (226) [system] ')'==d
   Fail: (226) [system] ')'==d
   Call: (226) [system] get_char((0x563acd73bee0), d)
   Exit: (226) [system] get_char((0x563acd73bee0), d)
   Call: (226) [system] d=(\)
   Fail: (226) [system] d=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _144878)
   Call: (227) [system] peek_char((0x563acd73bee0), _145812)
   Exit: (227) [system] peek_char((0x563acd73bee0), u)
^  Call: (227) [user] is_delimiter(u)
   Call: (228) [system] char_type(u, space)
   Fail: (228) [system] char_type(u, space)
   Call: (228) [system] arg(_150532, v('(', ')', end_of_file), u)
   Fail: (228) [system] arg(_151464, v('(', ')', end_of_file), u)
^  Fail: (227) [user] is_delimiter(u)
   Call: (227) [system] ')'==u
   Fail: (227) [system] ')'==u
   Call: (227) [system] get_char((0x563acd73bee0), u)
   Exit: (227) [system] get_char((0x563acd73bee0), u)
   Call: (227) [system] u=(\)
   Fail: (227) [system] u=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _158814)
   Call: (228) [system] peek_char((0x563acd73bee0), _159748)
   Exit: (228) [system] peek_char((0x563acd73bee0), c)
^  Call: (228) [user] is_delimiter(c)
   Call: (229) [system] char_type(c, space)
   Fail: (229) [system] char_type(c, space)
   Call: (229) [system] arg(_164468, v('(', ')', end_of_file), c)
   Fail: (229) [system] arg(_165400, v('(', ')', end_of_file), c)
^  Fail: (228) [user] is_delimiter(c)
   Call: (228) [system] ')'==c
   Fail: (228) [system] ')'==c
   Call: (228) [system] get_char((0x563acd73bee0), c)
   Exit: (228) [system] get_char((0x563acd73bee0), c)
   Call: (228) [system] c=(\)
   Fail: (228) [system] c=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _172750)
   Call: (229) [system] peek_char((0x563acd73bee0), _173684)
   Exit: (229) [system] peek_char((0x563acd73bee0), t)
^  Call: (229) [user] is_delimiter(t)
   Call: (230) [system] char_type(t, space)
   Fail: (230) [system] char_type(t, space)
   Call: (230) [system] arg(_178404, v('(', ')', end_of_file), t)
   Fail: (230) [system] arg(_179336, v('(', ')', end_of_file), t)
^  Fail: (229) [user] is_delimiter(t)
   Call: (229) [system] ')'==t
   Fail: (229) [system] ')'==t
   Call: (229) [system] get_char((0x563acd73bee0), t)
   Exit: (229) [system] get_char((0x563acd73bee0), t)
   Call: (229) [system] t=(\)
   Fail: (229) [system] t=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _186686)
   Call: (230) [system] peek_char((0x563acd73bee0), _187620)
   Exit: (230) [system] peek_char((0x563acd73bee0), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Fail: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_192340, v('(', ')', end_of_file), i)
   Fail: (231) [system] arg(_193272, v('(', ')', end_of_file), i)
^  Fail: (230) [user] is_delimiter(i)
   Call: (230) [system] ')'==i
   Fail: (230) [system] ')'==i
   Call: (230) [system] get_char((0x563acd73bee0), i)
   Exit: (230) [system] get_char((0x563acd73bee0), i)
   Call: (230) [system] i=(\)
   Fail: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _200622)
   Call: (231) [system] peek_char((0x563acd73bee0), _201556)
   Exit: (231) [system] peek_char((0x563acd73bee0), o)
^  Call: (231) [user] is_delimiter(o)
   Call: (232) [system] char_type(o, space)
   Fail: (232) [system] char_type(o, space)
   Call: (232) [system] arg(_206276, v('(', ')', end_of_file), o)
   Fail: (232) [system] arg(_207208, v('(', ')', end_of_file), o)
^  Fail: (231) [user] is_delimiter(o)
   Call: (231) [system] ')'==o
   Fail: (231) [system] ')'==o
   Call: (231) [system] get_char((0x563acd73bee0), o)
   Exit: (231) [system] get_char((0x563acd73bee0), o)
   Call: (231) [system] o=(\)
   Fail: (231) [system] o=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _214558)
   Call: (232) [system] peek_char((0x563acd73bee0), _215492)
   Exit: (232) [system] peek_char((0x563acd73bee0), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Fail: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_220212, v('(', ')', end_of_file), n)
   Fail: (233) [system] arg(_221144, v('(', ')', end_of_file), n)
^  Fail: (232) [user] is_delimiter(n)
   Call: (232) [system] ')'==n
   Fail: (232) [system] ')'==n
   Call: (232) [system] get_char((0x563acd73bee0), n)
   Exit: (232) [system] get_char((0x563acd73bee0), n)
   Call: (232) [system] n=(\)
   Fail: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _228494)
   Call: (233) [system] peek_char((0x563acd73bee0), _229428)
   Exit: (233) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _228494=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (232) [system] _214558=[n]
   Exit: (232) [system] [n]=[n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (231) [system] _200622=[o, n]
   Exit: (231) [system] [o, n]=[o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (230) [system] _186686=[i, o, n]
   Exit: (230) [system] [i, o, n]=[i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (229) [system] _172750=[t, i, o, n]
   Exit: (229) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (228) [system] _158814=[c, t, i, o, n]
   Exit: (228) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n])
   Call: (227) [system] _144878=[u, c, t, i, o, n]
   Exit: (227) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, i, o, n])
   Call: (226) [system] _130942=[d, u, c, t, i, o, n]
   Exit: (226) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, u, c, t, i, o, n])
   Call: (225) [system] _117006=[o, d, u, c, t, i, o, n]
   Exit: (225) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, d, u, c, t, i, o, n])
   Call: (224) [system] _103070=[r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _89134=[t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _75198=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _61262=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _47326=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _33390=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _19454=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _5518=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _4766=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _4762=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _4758=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _4754=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _4750=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _4746=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (210) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _4742)
^  Call: (211) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _300180)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_301132, _301134), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _300180), _301114, fail)), '$restore_trace'(_301132, _301134))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_301132, _301134))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _300180), _301114, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_300180)
   Fail: (212) [system] atomic(_300180)
   Call: (212) [system] atom_chars(_300180, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (212) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (211) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
   Call: (211) [system] integer('ConjunctionIntroduction')
   Fail: (211) [system] integer('ConjunctionIntroduction')
   Call: (211) [system] _4742='ConjunctionIntroduction'
   Exit: (211) [system] 'ConjunctionIntroduction'='ConjunctionIntroduction'
^  Exit: (210) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (209) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'ConjunctionIntroduction')
^  Exit: (208) [user] cont_sexpr(')', (0x563acd73bee0), 'ConjunctionIntroduction')
^  Call: (208) [user] read_list(')', (0x563acd73bee0), _315130)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _316988)
   Exit: (210) [system] peek_char((0x563acd73bee0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x563acd73bee0), _326582)
   Exit: (210) [system] get_char((0x563acd73bee0), ' ')
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _329286)
   Exit: (211) [system] peek_char((0x563acd73bee0), a)
   Call: (211) [system] a=(;)
   Fail: (211) [system] a=(;)
   Call: (211) [system] a=(/)
   Fail: (211) [system] a=(/)
^  Call: (211) [user] is_like_space(a)
   Call: (212) [system] char_type(a, 'white')
   Fail: (212) [system] char_type(a, 'white')
   Call: (212) [system] char_type(a, end_of_line)
   Fail: (212) [system] char_type(a, end_of_line)
   Call: (212) [system] char_type(a, space)
   Fail: (212) [system] char_type(a, space)
   Call: (212) [system] char_type(a, cntrl)
   Fail: (212) [system] char_type(a, cntrl)
^  Fail: (211) [user] is_like_space(a)
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _346220)
   Exit: (209) [system] peek_char((0x563acd73bee0), a)
   Call: (209) [system] a=')'
   Fail: (209) [system] a=')'
   Call: (209) [system] a=end_of_file
   Fail: (209) [system] a=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x563acd73bee0), _351790)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _353648)
   Exit: (211) [system] peek_char((0x563acd73bee0), a)
   Call: (211) [system] a=(;)
   Fail: (211) [system] a=(;)
   Call: (211) [system] a=(/)
   Fail: (211) [system] a=(/)
^  Call: (211) [user] is_like_space(a)
   Call: (212) [system] char_type(a, 'white')
   Fail: (212) [system] char_type(a, 'white')
   Call: (212) [system] char_type(a, end_of_line)
   Fail: (212) [system] char_type(a, end_of_line)
   Call: (212) [system] char_type(a, space)
   Fail: (212) [system] char_type(a, space)
   Call: (212) [system] char_type(a, cntrl)
   Fail: (212) [system] char_type(a, cntrl)
^  Fail: (211) [user] is_like_space(a)
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] get_char((0x563acd73bee0), _369658)
   Exit: (210) [system] get_char((0x563acd73bee0), a)
   Call: (210) [system] a='('
   Fail: (210) [system] a='('
   Call: (210) [system] a='['
   Fail: (210) [system] a='['
   Call: (210) [system] a='{'
   Fail: (210) [system] a='{'
   Call: (210) [system] a='"'
   Fail: (210) [system] a='"'
   Call: (210) [system] a=!
   Fail: (210) [system] a=!
   Call: (210) [system] a='\''
   Fail: (210) [system] a='\''
   Call: (210) [system] a='`'
   Fail: (210) [system] a='`'
   Call: (210) [system] a=end_of_file
   Fail: (210) [system] a=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x563acd73bee0), a, _351790)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _387300)
   Call: (212) [system] peek_char((0x563acd73bee0), _388234)
   Exit: (212) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _387300=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (211) [user] classify_and_convert_charseq([a], _351790)
^  Call: (212) [user] classify_and_convert_charseq_([a], _397518)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_398470, _398472), once(user:catch(read_from_chars([a], _397518), _398452, fail)), '$restore_trace'(_398470, _398472))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_398470, _398472))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _398452, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(a)
   Exit: (213) [system] atomic(a)
^  Exit: (212) [user] classify_and_convert_charseq_([a], a)
   Call: (212) [system] integer(a)
   Fail: (212) [system] integer(a)
   Call: (212) [system] _351790=a
   Exit: (212) [system] a=a
^  Exit: (211) [user] classify_and_convert_charseq([a], a)
^  Exit: (210) [user] read_symbolic(')', (0x563acd73bee0), a, a)
^  Exit: (209) [user] cont_sexpr(')', (0x563acd73bee0), a)
^  Call: (209) [user] read_list(')', (0x563acd73bee0), _410598)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _412456)
   Exit: (211) [system] peek_char((0x563acd73bee0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x563acd73bee0), _422050)
   Exit: (211) [system] get_char((0x563acd73bee0), ' ')
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _424754)
   Exit: (212) [system] peek_char((0x563acd73bee0), a)
   Call: (212) [system] a=(;)
   Fail: (212) [system] a=(;)
   Call: (212) [system] a=(/)
   Fail: (212) [system] a=(/)
^  Call: (212) [user] is_like_space(a)
   Call: (213) [system] char_type(a, 'white')
   Fail: (213) [system] char_type(a, 'white')
   Call: (213) [system] char_type(a, end_of_line)
   Fail: (213) [system] char_type(a, end_of_line)
   Call: (213) [system] char_type(a, space)
   Fail: (213) [system] char_type(a, space)
   Call: (213) [system] char_type(a, cntrl)
   Fail: (213) [system] char_type(a, cntrl)
^  Fail: (212) [user] is_like_space(a)
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _441688)
   Exit: (210) [system] peek_char((0x563acd73bee0), a)
   Call: (210) [system] a=')'
   Fail: (210) [system] a=')'
   Call: (210) [system] a=end_of_file
   Fail: (210) [system] a=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x563acd73bee0), _447258)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _449116)
   Exit: (212) [system] peek_char((0x563acd73bee0), a)
   Call: (212) [system] a=(;)
   Fail: (212) [system] a=(;)
   Call: (212) [system] a=(/)
   Fail: (212) [system] a=(/)
^  Call: (212) [user] is_like_space(a)
   Call: (213) [system] char_type(a, 'white')
   Fail: (213) [system] char_type(a, 'white')
   Call: (213) [system] char_type(a, end_of_line)
   Fail: (213) [system] char_type(a, end_of_line)
   Call: (213) [system] char_type(a, space)
   Fail: (213) [system] char_type(a, space)
   Call: (213) [system] char_type(a, cntrl)
   Fail: (213) [system] char_type(a, cntrl)
^  Fail: (212) [user] is_like_space(a)
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] get_char((0x563acd73bee0), _465126)
   Exit: (211) [system] get_char((0x563acd73bee0), a)
   Call: (211) [system] a='('
   Fail: (211) [system] a='('
   Call: (211) [system] a='['
   Fail: (211) [system] a='['
   Call: (211) [system] a='{'
   Fail: (211) [system] a='{'
   Call: (211) [system] a='"'
   Fail: (211) [system] a='"'
   Call: (211) [system] a=!
   Fail: (211) [system] a=!
   Call: (211) [system] a='\''
   Fail: (211) [system] a='\''
   Call: (211) [system] a='`'
   Fail: (211) [system] a='`'
   Call: (211) [system] a=end_of_file
   Fail: (211) [system] a=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x563acd73bee0), a, _447258)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _482768)
   Call: (213) [system] peek_char((0x563acd73bee0), _483702)
   Exit: (213) [system] peek_char((0x563acd73bee0), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_488422, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _482768=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (212) [user] classify_and_convert_charseq([a], _447258)
^  Call: (213) [user] classify_and_convert_charseq_([a], _494858)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_495810, _495812), once(user:catch(read_from_chars([a], _494858), _495792, fail)), '$restore_trace'(_495810, _495812))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_495810, _495812))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _495792, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(a)
   Exit: (214) [system] atomic(a)
^  Exit: (213) [user] classify_and_convert_charseq_([a], a)
   Call: (213) [system] integer(a)
   Fail: (213) [system] integer(a)
   Call: (213) [system] _447258=a
   Exit: (213) [system] a=a
^  Exit: (212) [user] classify_and_convert_charseq([a], a)
^  Exit: (211) [user] read_symbolic(')', (0x563acd73bee0), a, a)
^  Exit: (210) [user] cont_sexpr(')', (0x563acd73bee0), a)
^  Call: (210) [user] read_list(')', (0x563acd73bee0), _507938)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _509796)
   Exit: (212) [system] peek_char((0x563acd73bee0), ')')
   Call: (212) [system] ')'=(;)
   Fail: (212) [system] ')'=(;)
   Call: (212) [system] ')'=(/)
   Fail: (212) [system] ')'=(/)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Fail: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Fail: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
   Fail: (213) [system] char_type(')', cntrl)
^  Fail: (212) [user] is_like_space(')')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _525806)
   Exit: (211) [system] peek_char((0x563acd73bee0), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x563acd73bee0), _529596)
   Exit: (211) [system] get_char((0x563acd73bee0), ')')
   Call: (211) [system] _507938=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x563acd73bee0), [])
   Call: (210) [system] _410598=[a]
   Exit: (210) [system] [a]=[a]
^  Exit: (209) [user] read_list(')', (0x563acd73bee0), [a])
   Call: (209) [system] _315130=[a, a]
   Exit: (209) [system] [a, a]=[a, a]
^  Exit: (208) [user] read_list(')', (0x563acd73bee0), [a, a])
   Call: (208) [system] _4736=['ConjunctionIntroduction', a, a]
   Exit: (208) [system] ['ConjunctionIntroduction', a, a]=['ConjunctionIntroduction', a, a]
^  Exit: (207) [user] read_list(')', (0x563acd73bee0), ['ConjunctionIntroduction', a, a])
^  Exit: (206) [user] cont_sexpr(')', (0x563acd73bee0), ['ConjunctionIntroduction', a, a])
^  Call: (206) [user] read_list(')', (0x563acd73bee0), _543478)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _545336)
   Exit: (208) [system] peek_char((0x563acd73bee0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x563acd73bee0), _554930)
   Exit: (208) [system] get_char((0x563acd73bee0), ' ')
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _557634)
   Exit: (209) [system] peek_char((0x563acd73bee0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _574568)
   Exit: (207) [system] peek_char((0x563acd73bee0), '(')
   Call: (207) [system] '('=')'
   Fail: (207) [system] '('=')'
   Call: (207) [system] '('=end_of_file
   Fail: (207) [system] '('=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x563acd73bee0), _580138)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _581996)
   Exit: (209) [system] peek_char((0x563acd73bee0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] get_char((0x563acd73bee0), _598006)
   Exit: (208) [system] get_char((0x563acd73bee0), '(')
   Call: (208) [system] '('='('
   Exit: (208) [system] '('='('
^  Call: (208) [user] read_list(')', (0x563acd73bee0), _580138)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _603576)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'A')
   Call: (210) [system] 'A'=(;)
   Fail: (210) [system] 'A'=(;)
   Call: (210) [system] 'A'=(/)
   Fail: (210) [system] 'A'=(/)
^  Call: (210) [user] is_like_space('A')
   Call: (211) [system] char_type('A', 'white')
   Fail: (211) [system] char_type('A', 'white')
   Call: (211) [system] char_type('A', end_of_line)
   Fail: (211) [system] char_type('A', end_of_line)
   Call: (211) [system] char_type('A', space)
   Fail: (211) [system] char_type('A', space)
   Call: (211) [system] char_type('A', cntrl)
   Fail: (211) [system] char_type('A', cntrl)
^  Fail: (210) [user] is_like_space('A')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _619586)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'A')
   Call: (209) [system] 'A'=')'
   Fail: (209) [system] 'A'=')'
   Call: (209) [system] 'A'=end_of_file
   Fail: (209) [system] 'A'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x563acd73bee0), _625156)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _627014)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'A')
   Call: (211) [system] 'A'=(;)
   Fail: (211) [system] 'A'=(;)
   Call: (211) [system] 'A'=(/)
   Fail: (211) [system] 'A'=(/)
^  Call: (211) [user] is_like_space('A')
   Call: (212) [system] char_type('A', 'white')
   Fail: (212) [system] char_type('A', 'white')
   Call: (212) [system] char_type('A', end_of_line)
   Fail: (212) [system] char_type('A', end_of_line)
   Call: (212) [system] char_type('A', space)
   Fail: (212) [system] char_type('A', space)
   Call: (212) [system] char_type('A', cntrl)
   Fail: (212) [system] char_type('A', cntrl)
^  Fail: (211) [user] is_like_space('A')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] get_char((0x563acd73bee0), _643024)
   Exit: (210) [system] get_char((0x563acd73bee0), 'A')
   Call: (210) [system] 'A'='('
   Fail: (210) [system] 'A'='('
   Call: (210) [system] 'A'='['
   Fail: (210) [system] 'A'='['
   Call: (210) [system] 'A'='{'
   Fail: (210) [system] 'A'='{'
   Call: (210) [system] 'A'='"'
   Fail: (210) [system] 'A'='"'
   Call: (210) [system] 'A'=!
   Fail: (210) [system] 'A'=!
   Call: (210) [system] 'A'='\''
   Fail: (210) [system] 'A'='\''
   Call: (210) [system] 'A'='`'
   Fail: (210) [system] 'A'='`'
   Call: (210) [system] 'A'=end_of_file
   Fail: (210) [system] 'A'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x563acd73bee0), 'A', _625156)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _660666)
   Call: (212) [system] peek_char((0x563acd73bee0), _661600)
   Exit: (212) [system] peek_char((0x563acd73bee0), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Fail: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_666320, v('(', ')', end_of_file), n)
   Fail: (213) [system] arg(_667252, v('(', ')', end_of_file), n)
^  Fail: (212) [user] is_delimiter(n)
   Call: (212) [system] ')'==n
   Fail: (212) [system] ')'==n
   Call: (212) [system] get_char((0x563acd73bee0), n)
   Exit: (212) [system] get_char((0x563acd73bee0), n)
   Call: (212) [system] n=(\)
   Fail: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _674602)
   Call: (213) [system] peek_char((0x563acd73bee0), _675536)
   Exit: (213) [system] peek_char((0x563acd73bee0), d)
^  Call: (213) [user] is_delimiter(d)
   Call: (214) [system] char_type(d, space)
   Fail: (214) [system] char_type(d, space)
   Call: (214) [system] arg(_680256, v('(', ')', end_of_file), d)
   Fail: (214) [system] arg(_681188, v('(', ')', end_of_file), d)
^  Fail: (213) [user] is_delimiter(d)
   Call: (213) [system] ')'==d
   Fail: (213) [system] ')'==d
   Call: (213) [system] get_char((0x563acd73bee0), d)
   Exit: (213) [system] get_char((0x563acd73bee0), d)
   Call: (213) [system] d=(\)
   Fail: (213) [system] d=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _688538)
   Call: (214) [system] peek_char((0x563acd73bee0), _689472)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (214) [user] is_delimiter('L')
   Call: (215) [system] char_type('L', space)
   Fail: (215) [system] char_type('L', space)
   Call: (215) [system] arg(_694192, v('(', ')', end_of_file), 'L')
   Fail: (215) [system] arg(_695124, v('(', ')', end_of_file), 'L')
^  Fail: (214) [user] is_delimiter('L')
   Call: (214) [system] ')'=='L'
   Fail: (214) [system] ')'=='L'
   Call: (214) [system] get_char((0x563acd73bee0), 'L')
   Exit: (214) [system] get_char((0x563acd73bee0), 'L')
   Call: (214) [system] 'L'=(\)
   Fail: (214) [system] 'L'=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _702474)
   Call: (215) [system] peek_char((0x563acd73bee0), _703408)
   Exit: (215) [system] peek_char((0x563acd73bee0), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Fail: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_708128, v('(', ')', end_of_file), i)
   Fail: (216) [system] arg(_709060, v('(', ')', end_of_file), i)
^  Fail: (215) [user] is_delimiter(i)
   Call: (215) [system] ')'==i
   Fail: (215) [system] ')'==i
   Call: (215) [system] get_char((0x563acd73bee0), i)
   Exit: (215) [system] get_char((0x563acd73bee0), i)
   Call: (215) [system] i=(\)
   Fail: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _716410)
   Call: (216) [system] peek_char((0x563acd73bee0), _717344)
   Exit: (216) [system] peek_char((0x563acd73bee0), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_722064, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_722996, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x563acd73bee0), n)
   Exit: (216) [system] get_char((0x563acd73bee0), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _730346)
   Call: (217) [system] peek_char((0x563acd73bee0), _731280)
   Exit: (217) [system] peek_char((0x563acd73bee0), k)
^  Call: (217) [user] is_delimiter(k)
   Call: (218) [system] char_type(k, space)
   Fail: (218) [system] char_type(k, space)
   Call: (218) [system] arg(_736000, v('(', ')', end_of_file), k)
   Fail: (218) [system] arg(_736932, v('(', ')', end_of_file), k)
^  Fail: (217) [user] is_delimiter(k)
   Call: (217) [system] ')'==k
   Fail: (217) [system] ')'==k
   Call: (217) [system] get_char((0x563acd73bee0), k)
   Exit: (217) [system] get_char((0x563acd73bee0), k)
   Call: (217) [system] k=(\)
   Fail: (217) [system] k=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _744282)
   Call: (218) [system] peek_char((0x563acd73bee0), _745216)
   Exit: (218) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _744282=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (217) [system] _730346=[k]
   Exit: (217) [system] [k]=[k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (216) [system] _716410=[n, k]
   Exit: (216) [system] [n, k]=[n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (215) [system] _702474=[i, n, k]
   Exit: (215) [system] [i, n, k]=[i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (214) [system] _688538=['L', i, n, k]
   Exit: (214) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (213) [system] _674602=[d, 'L', i, n, k]
   Exit: (213) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, 'L', i, n, k])
   Call: (212) [system] _660666=[n, d, 'L', i, n, k]
   Exit: (212) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, d, 'L', i, n, k])
^  Call: (211) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _625156)
^  Call: (212) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _771264)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_772216, _772218), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _771264), _772198, fail)), '$restore_trace'(_772216, _772218))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_772216, _772218))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _771264), _772198, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_771264)
   Fail: (213) [system] atomic(_771264)
   Call: (213) [system] atom_chars(_771264, ['A', n, d, 'L', i, n, k])
   Exit: (213) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (212) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (212) [system] integer('AndLink')
   Fail: (212) [system] integer('AndLink')
   Call: (212) [system] _625156='AndLink'
   Exit: (212) [system] 'AndLink'='AndLink'
^  Exit: (211) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (210) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'AndLink')
^  Exit: (209) [user] cont_sexpr(')', (0x563acd73bee0), 'AndLink')
^  Call: (209) [user] read_list(')', (0x563acd73bee0), _786214)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _788072)
   Exit: (211) [system] peek_char((0x563acd73bee0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x563acd73bee0), _797666)
   Exit: (211) [system] get_char((0x563acd73bee0), ' ')
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _800370)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'A')
   Call: (212) [system] 'A'=(;)
   Fail: (212) [system] 'A'=(;)
   Call: (212) [system] 'A'=(/)
   Fail: (212) [system] 'A'=(/)
^  Call: (212) [user] is_like_space('A')
   Call: (213) [system] char_type('A', 'white')
   Fail: (213) [system] char_type('A', 'white')
   Call: (213) [system] char_type('A', end_of_line)
   Fail: (213) [system] char_type('A', end_of_line)
   Call: (213) [system] char_type('A', space)
   Fail: (213) [system] char_type('A', space)
   Call: (213) [system] char_type('A', cntrl)
   Fail: (213) [system] char_type('A', cntrl)
^  Fail: (212) [user] is_like_space('A')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _817304)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'A')
   Call: (210) [system] 'A'=')'
   Fail: (210) [system] 'A'=')'
   Call: (210) [system] 'A'=end_of_file
   Fail: (210) [system] 'A'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x563acd73bee0), _822874)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _824732)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'A')
   Call: (212) [system] 'A'=(;)
   Fail: (212) [system] 'A'=(;)
   Call: (212) [system] 'A'=(/)
   Fail: (212) [system] 'A'=(/)
^  Call: (212) [user] is_like_space('A')
   Call: (213) [system] char_type('A', 'white')
   Fail: (213) [system] char_type('A', 'white')
   Call: (213) [system] char_type('A', end_of_line)
   Fail: (213) [system] char_type('A', end_of_line)
   Call: (213) [system] char_type('A', space)
   Fail: (213) [system] char_type('A', space)
   Call: (213) [system] char_type('A', cntrl)
   Fail: (213) [system] char_type('A', cntrl)
^  Fail: (212) [user] is_like_space('A')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] get_char((0x563acd73bee0), _840742)
   Exit: (211) [system] get_char((0x563acd73bee0), 'A')
   Call: (211) [system] 'A'='('
   Fail: (211) [system] 'A'='('
   Call: (211) [system] 'A'='['
   Fail: (211) [system] 'A'='['
   Call: (211) [system] 'A'='{'
   Fail: (211) [system] 'A'='{'
   Call: (211) [system] 'A'='"'
   Fail: (211) [system] 'A'='"'
   Call: (211) [system] 'A'=!
   Fail: (211) [system] 'A'=!
   Call: (211) [system] 'A'='\''
   Fail: (211) [system] 'A'='\''
   Call: (211) [system] 'A'='`'
   Fail: (211) [system] 'A'='`'
   Call: (211) [system] 'A'=end_of_file
   Fail: (211) [system] 'A'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x563acd73bee0), 'A', _822874)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _858384)
   Call: (213) [system] peek_char((0x563acd73bee0), _859318)
   Exit: (213) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (213) [user] is_delimiter(' ')
   Call: (214) [system] char_type(' ', space)
   Exit: (214) [system] char_type(' ', space)
^  Exit: (213) [user] is_delimiter(' ')
   Call: (213) [system] _858384=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (212) [user] classify_and_convert_charseq(['A'], _822874)
^  Call: (213) [user] classify_and_convert_charseq_(['A'], _868602)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_869554, _869556), once(user:catch(read_from_chars(['A'], _868602), _869536, fail)), '$restore_trace'(_869554, _869556))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_869554, _869556))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _868602), _869536, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_868602)
   Fail: (214) [system] atomic(_868602)
   Call: (214) [system] atom_chars(_868602, ['A'])
   Exit: (214) [system] atom_chars('A', ['A'])
^  Exit: (213) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (213) [system] integer('A')
   Fail: (213) [system] integer('A')
   Call: (213) [system] _822874='A'
   Exit: (213) [system] 'A'='A'
^  Exit: (212) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (211) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (210) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (210) [user] read_list(')', (0x563acd73bee0), _883552)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _885410)
   Exit: (212) [system] peek_char((0x563acd73bee0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x563acd73bee0), _895004)
   Exit: (212) [system] get_char((0x563acd73bee0), ' ')
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _897708)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'A')
   Call: (213) [system] 'A'=(;)
   Fail: (213) [system] 'A'=(;)
   Call: (213) [system] 'A'=(/)
   Fail: (213) [system] 'A'=(/)
^  Call: (213) [user] is_like_space('A')
   Call: (214) [system] char_type('A', 'white')
   Fail: (214) [system] char_type('A', 'white')
   Call: (214) [system] char_type('A', end_of_line)
   Fail: (214) [system] char_type('A', end_of_line)
   Call: (214) [system] char_type('A', space)
   Fail: (214) [system] char_type('A', space)
   Call: (214) [system] char_type('A', cntrl)
   Fail: (214) [system] char_type('A', cntrl)
^  Fail: (213) [user] is_like_space('A')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _914642)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'A')
   Call: (211) [system] 'A'=')'
   Fail: (211) [system] 'A'=')'
   Call: (211) [system] 'A'=end_of_file
   Fail: (211) [system] 'A'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x563acd73bee0), _920212)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _922070)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'A')
   Call: (213) [system] 'A'=(;)
   Fail: (213) [system] 'A'=(;)
   Call: (213) [system] 'A'=(/)
   Fail: (213) [system] 'A'=(/)
^  Call: (213) [user] is_like_space('A')
   Call: (214) [system] char_type('A', 'white')
   Fail: (214) [system] char_type('A', 'white')
   Call: (214) [system] char_type('A', end_of_line)
   Fail: (214) [system] char_type('A', end_of_line)
   Call: (214) [system] char_type('A', space)
   Fail: (214) [system] char_type('A', space)
   Call: (214) [system] char_type('A', cntrl)
   Fail: (214) [system] char_type('A', cntrl)
^  Fail: (213) [user] is_like_space('A')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] get_char((0x563acd73bee0), _938080)
   Exit: (212) [system] get_char((0x563acd73bee0), 'A')
   Call: (212) [system] 'A'='('
   Fail: (212) [system] 'A'='('
   Call: (212) [system] 'A'='['
   Fail: (212) [system] 'A'='['
   Call: (212) [system] 'A'='{'
   Fail: (212) [system] 'A'='{'
   Call: (212) [system] 'A'='"'
   Fail: (212) [system] 'A'='"'
   Call: (212) [system] 'A'=!
   Fail: (212) [system] 'A'=!
   Call: (212) [system] 'A'='\''
   Fail: (212) [system] 'A'='\''
   Call: (212) [system] 'A'='`'
   Fail: (212) [system] 'A'='`'
   Call: (212) [system] 'A'=end_of_file
   Fail: (212) [system] 'A'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x563acd73bee0), 'A', _920212)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _955722)
   Call: (214) [system] peek_char((0x563acd73bee0), _956656)
   Exit: (214) [system] peek_char((0x563acd73bee0), ')')
^  Call: (214) [user] is_delimiter(')')
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] arg(_961376, v('(', ')', end_of_file), ')')
   Exit: (215) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (214) [user] is_delimiter(')')
   Call: (214) [system] _955722=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (213) [user] classify_and_convert_charseq(['A'], _920212)
^  Call: (214) [user] classify_and_convert_charseq_(['A'], _967812)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_968764, _968766), once(user:catch(read_from_chars(['A'], _967812), _968746, fail)), '$restore_trace'(_968764, _968766))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_968764, _968766))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _967812), _968746, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_967812)
   Fail: (215) [system] atomic(_967812)
   Call: (215) [system] atom_chars(_967812, ['A'])
   Exit: (215) [system] atom_chars('A', ['A'])
^  Exit: (214) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (214) [system] integer('A')
   Fail: (214) [system] integer('A')
   Call: (214) [system] _920212='A'
   Exit: (214) [system] 'A'='A'
^  Exit: (213) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (212) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (211) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (211) [user] read_list(')', (0x563acd73bee0), _982762)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _984620)
   Exit: (213) [system] peek_char((0x563acd73bee0), ')')
   Call: (213) [system] ')'=(;)
   Fail: (213) [system] ')'=(;)
   Call: (213) [system] ')'=(/)
   Fail: (213) [system] ')'=(/)
^  Call: (213) [user] is_like_space(')')
   Call: (214) [system] char_type(')', 'white')
   Fail: (214) [system] char_type(')', 'white')
   Call: (214) [system] char_type(')', end_of_line)
   Fail: (214) [system] char_type(')', end_of_line)
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] char_type(')', cntrl)
   Fail: (214) [system] char_type(')', cntrl)
^  Fail: (213) [user] is_like_space(')')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1000630)
   Exit: (212) [system] peek_char((0x563acd73bee0), ')')
   Call: (212) [system] ')'=')'
   Exit: (212) [system] ')'=')'
   Call: (212) [system] get_char((0x563acd73bee0), _1004420)
   Exit: (212) [system] get_char((0x563acd73bee0), ')')
   Call: (212) [system] _982762=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_list(')', (0x563acd73bee0), [])
   Call: (211) [system] _883552=['A']
   Exit: (211) [system] ['A']=['A']
^  Exit: (210) [user] read_list(')', (0x563acd73bee0), ['A'])
   Call: (210) [system] _786214=['A', 'A']
   Exit: (210) [system] ['A', 'A']=['A', 'A']
^  Exit: (209) [user] read_list(')', (0x563acd73bee0), ['A', 'A'])
   Call: (209) [system] _580138=['AndLink', 'A', 'A']
   Exit: (209) [system] ['AndLink', 'A', 'A']=['AndLink', 'A', 'A']
^  Exit: (208) [user] read_list(')', (0x563acd73bee0), ['AndLink', 'A', 'A'])
^  Exit: (207) [user] cont_sexpr(')', (0x563acd73bee0), ['AndLink', 'A', 'A'])
^  Call: (207) [user] read_list(')', (0x563acd73bee0), _1018302)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1020160)
   Exit: (209) [system] peek_char((0x563acd73bee0), ')')
   Call: (209) [system] ')'=(;)
   Fail: (209) [system] ')'=(;)
   Call: (209) [system] ')'=(/)
   Fail: (209) [system] ')'=(/)
^  Call: (209) [user] is_like_space(')')
   Call: (210) [system] char_type(')', 'white')
   Fail: (210) [system] char_type(')', 'white')
   Call: (210) [system] char_type(')', end_of_line)
   Fail: (210) [system] char_type(')', end_of_line)
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] char_type(')', cntrl)
   Fail: (210) [system] char_type(')', cntrl)
^  Fail: (209) [user] is_like_space(')')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1036170)
   Exit: (208) [system] peek_char((0x563acd73bee0), ')')
   Call: (208) [system] ')'=')'
   Exit: (208) [system] ')'=')'
   Call: (208) [system] get_char((0x563acd73bee0), _1039960)
   Exit: (208) [system] get_char((0x563acd73bee0), ')')
   Call: (208) [system] _1018302=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_list(')', (0x563acd73bee0), [])
   Call: (207) [system] _543478=[['AndLink', 'A', 'A']]
   Exit: (207) [system] [['AndLink', 'A', 'A']]=[['AndLink', 'A', 'A']]
^  Exit: (206) [user] read_list(')', (0x563acd73bee0), [['AndLink', 'A', 'A']])
   Call: (206) [system] _4732=[['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']]
   Exit: (206) [system] [['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']]=[['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']]
^  Exit: (205) [user] read_list(')', (0x563acd73bee0), [['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']])
   Call: (205) [system] _4724=[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']]
   Exit: (205) [system] [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']]=[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']]
^  Exit: (204) [user] read_list(')', (0x563acd73bee0), [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']])
^  Exit: (203) [user] cont_sexpr(')', (0x563acd73bee0), [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']])
^  Call: (203) [user] read_list(')', (0x563acd73bee0), _1053842)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1055700)
   Exit: (205) [system] peek_char((0x563acd73bee0), '\n')
   Call: (205) [system] '\n'=(;)
   Fail: (205) [system] '\n'=(;)
   Call: (205) [system] '\n'=(/)
   Fail: (205) [system] '\n'=(/)
^  Call: (205) [user] is_like_space('\n')
   Call: (206) [system] char_type('\n', 'white')
   Fail: (206) [system] char_type('\n', 'white')
   Call: (206) [system] char_type('\n', end_of_line)
   Exit: (206) [system] char_type('\n', end_of_line)
^  Exit: (205) [user] is_like_space('\n')
   Call: (205) [system] get_char((0x563acd73bee0), _1067150)
   Exit: (205) [system] get_char((0x563acd73bee0), '\n')
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1069854)
   Exit: (206) [system] peek_char((0x563acd73bee0), '\t')
   Call: (206) [system] '\t'=(;)
   Fail: (206) [system] '\t'=(;)
   Call: (206) [system] '\t'=(/)
   Fail: (206) [system] '\t'=(/)
^  Call: (206) [user] is_like_space('\t')
   Call: (207) [system] char_type('\t', 'white')
   Exit: (207) [system] char_type('\t', 'white')
^  Exit: (206) [user] is_like_space('\t')
   Call: (206) [system] get_char((0x563acd73bee0), _1079448)
   Exit: (206) [system] get_char((0x563acd73bee0), '\t')
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1082152)
   Exit: (207) [system] peek_char((0x563acd73bee0), '\t')
   Call: (207) [system] '\t'=(;)
   Fail: (207) [system] '\t'=(;)
   Call: (207) [system] '\t'=(/)
   Fail: (207) [system] '\t'=(/)
^  Call: (207) [user] is_like_space('\t')
   Call: (208) [system] char_type('\t', 'white')
   Exit: (208) [system] char_type('\t', 'white')
^  Exit: (207) [user] is_like_space('\t')
   Call: (207) [system] get_char((0x563acd73bee0), _1091746)
   Exit: (207) [system] get_char((0x563acd73bee0), '\t')
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1094450)
   Exit: (208) [system] peek_char((0x563acd73bee0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x563acd73bee0), _1104044)
   Exit: (208) [system] get_char((0x563acd73bee0), ' ')
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1106748)
   Exit: (209) [system] peek_char((0x563acd73bee0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1126454)
   Exit: (204) [system] peek_char((0x563acd73bee0), '(')
   Call: (204) [system] '('=')'
   Fail: (204) [system] '('=')'
   Call: (204) [system] '('=end_of_file
   Fail: (204) [system] '('=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x563acd73bee0), _1132024)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1133882)
   Exit: (206) [system] peek_char((0x563acd73bee0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] get_char((0x563acd73bee0), _1149892)
   Exit: (205) [system] get_char((0x563acd73bee0), '(')
   Call: (205) [system] '('='('
   Exit: (205) [system] '('='('
^  Call: (205) [user] read_list(')', (0x563acd73bee0), _1132024)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1155462)
   Exit: (207) [system] peek_char((0x563acd73bee0), :)
   Call: (207) [system] (:)=(;)
   Fail: (207) [system] (:)=(;)
   Call: (207) [system] (:)=(/)
   Fail: (207) [system] (:)=(/)
^  Call: (207) [user] is_like_space(:)
   Call: (208) [system] char_type(:, 'white')
   Fail: (208) [system] char_type(:, 'white')
   Call: (208) [system] char_type(:, end_of_line)
   Fail: (208) [system] char_type(:, end_of_line)
   Call: (208) [system] char_type(:, space)
   Fail: (208) [system] char_type(:, space)
   Call: (208) [system] char_type(:, cntrl)
   Fail: (208) [system] char_type(:, cntrl)
^  Fail: (207) [user] is_like_space(:)
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1171472)
   Exit: (206) [system] peek_char((0x563acd73bee0), :)
   Call: (206) [system] (:)=')'
   Fail: (206) [system] (:)=')'
   Call: (206) [system] (:)=end_of_file
   Fail: (206) [system] (:)=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x563acd73bee0), _1177042)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1178900)
   Exit: (208) [system] peek_char((0x563acd73bee0), :)
   Call: (208) [system] (:)=(;)
   Fail: (208) [system] (:)=(;)
   Call: (208) [system] (:)=(/)
   Fail: (208) [system] (:)=(/)
^  Call: (208) [user] is_like_space(:)
   Call: (209) [system] char_type(:, 'white')
   Fail: (209) [system] char_type(:, 'white')
   Call: (209) [system] char_type(:, end_of_line)
   Fail: (209) [system] char_type(:, end_of_line)
   Call: (209) [system] char_type(:, space)
   Fail: (209) [system] char_type(:, space)
   Call: (209) [system] char_type(:, cntrl)
   Fail: (209) [system] char_type(:, cntrl)
^  Fail: (208) [user] is_like_space(:)
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] get_char((0x563acd73bee0), _1194910)
   Exit: (207) [system] get_char((0x563acd73bee0), :)
   Call: (207) [system] (:)='('
   Fail: (207) [system] (:)='('
   Call: (207) [system] (:)='['
   Fail: (207) [system] (:)='['
   Call: (207) [system] (:)='{'
   Fail: (207) [system] (:)='{'
   Call: (207) [system] (:)='"'
   Fail: (207) [system] (:)='"'
   Call: (207) [system] (:)=!
   Fail: (207) [system] (:)=!
   Call: (207) [system] (:)='\''
   Fail: (207) [system] (:)='\''
   Call: (207) [system] (:)='`'
   Fail: (207) [system] (:)='`'
   Call: (207) [system] (:)=end_of_file
   Fail: (207) [system] (:)=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x563acd73bee0), :, _1177042)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1212552)
   Call: (209) [system] peek_char((0x563acd73bee0), _1213486)
   Exit: (209) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _1212552=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (208) [user] classify_and_convert_charseq([:], _1177042)
^  Call: (209) [user] classify_and_convert_charseq_([:], _1222770)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_1223722, _1223724), once(user:catch(read_from_chars([:], _1222770), _1223704, fail)), '$restore_trace'(_1223722, _1223724))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_1223722, _1223724))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1223704, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(:)
   Exit: (210) [system] atomic(:)
^  Exit: (209) [user] classify_and_convert_charseq_([:], :)
   Call: (209) [system] integer(:)
   Fail: (209) [system] integer(:)
   Call: (209) [system] _1177042=(:)
   Exit: (209) [system] (:)=(:)
^  Exit: (208) [user] classify_and_convert_charseq([:], :)
^  Exit: (207) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (206) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (206) [user] read_list(')', (0x563acd73bee0), _1235850)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1237708)
   Exit: (208) [system] peek_char((0x563acd73bee0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x563acd73bee0), _1247302)
   Exit: (208) [system] get_char((0x563acd73bee0), ' ')
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1250006)
   Exit: (209) [system] peek_char((0x563acd73bee0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1266940)
   Exit: (207) [system] peek_char((0x563acd73bee0), '(')
   Call: (207) [system] '('=')'
   Fail: (207) [system] '('=')'
   Call: (207) [system] '('=end_of_file
   Fail: (207) [system] '('=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x563acd73bee0), _1272510)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1274368)
   Exit: (209) [system] peek_char((0x563acd73bee0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] get_char((0x563acd73bee0), _1290378)
   Exit: (208) [system] get_char((0x563acd73bee0), '(')
   Call: (208) [system] '('='('
   Exit: (208) [system] '('='('
^  Call: (208) [user] read_list(')', (0x563acd73bee0), _1272510)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1295948)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'C')
   Call: (210) [system] 'C'=(;)
   Fail: (210) [system] 'C'=(;)
   Call: (210) [system] 'C'=(/)
   Fail: (210) [system] 'C'=(/)
^  Call: (210) [user] is_like_space('C')
   Call: (211) [system] char_type('C', 'white')
   Fail: (211) [system] char_type('C', 'white')
   Call: (211) [system] char_type('C', end_of_line)
   Fail: (211) [system] char_type('C', end_of_line)
   Call: (211) [system] char_type('C', space)
   Fail: (211) [system] char_type('C', space)
   Call: (211) [system] char_type('C', cntrl)
   Fail: (211) [system] char_type('C', cntrl)
^  Fail: (210) [user] is_like_space('C')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1311958)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'C')
   Call: (209) [system] 'C'=')'
   Fail: (209) [system] 'C'=')'
   Call: (209) [system] 'C'=end_of_file
   Fail: (209) [system] 'C'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x563acd73bee0), _1317528)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1319386)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'C')
   Call: (211) [system] 'C'=(;)
   Fail: (211) [system] 'C'=(;)
   Call: (211) [system] 'C'=(/)
   Fail: (211) [system] 'C'=(/)
^  Call: (211) [user] is_like_space('C')
   Call: (212) [system] char_type('C', 'white')
   Fail: (212) [system] char_type('C', 'white')
   Call: (212) [system] char_type('C', end_of_line)
   Fail: (212) [system] char_type('C', end_of_line)
   Call: (212) [system] char_type('C', space)
   Fail: (212) [system] char_type('C', space)
   Call: (212) [system] char_type('C', cntrl)
   Fail: (212) [system] char_type('C', cntrl)
^  Fail: (211) [user] is_like_space('C')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] get_char((0x563acd73bee0), _1335396)
   Exit: (210) [system] get_char((0x563acd73bee0), 'C')
   Call: (210) [system] 'C'='('
   Fail: (210) [system] 'C'='('
   Call: (210) [system] 'C'='['
   Fail: (210) [system] 'C'='['
   Call: (210) [system] 'C'='{'
   Fail: (210) [system] 'C'='{'
   Call: (210) [system] 'C'='"'
   Fail: (210) [system] 'C'='"'
   Call: (210) [system] 'C'=!
   Fail: (210) [system] 'C'=!
   Call: (210) [system] 'C'='\''
   Fail: (210) [system] 'C'='\''
   Call: (210) [system] 'C'='`'
   Fail: (210) [system] 'C'='`'
   Call: (210) [system] 'C'=end_of_file
   Fail: (210) [system] 'C'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x563acd73bee0), 'C', _1317528)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1353038)
   Call: (212) [system] peek_char((0x563acd73bee0), _1353972)
   Exit: (212) [system] peek_char((0x563acd73bee0), o)
^  Call: (212) [user] is_delimiter(o)
   Call: (213) [system] char_type(o, space)
   Fail: (213) [system] char_type(o, space)
   Call: (213) [system] arg(_1358692, v('(', ')', end_of_file), o)
   Fail: (213) [system] arg(_1359624, v('(', ')', end_of_file), o)
^  Fail: (212) [user] is_delimiter(o)
   Call: (212) [system] ')'==o
   Fail: (212) [system] ')'==o
   Call: (212) [system] get_char((0x563acd73bee0), o)
   Exit: (212) [system] get_char((0x563acd73bee0), o)
   Call: (212) [system] o=(\)
   Fail: (212) [system] o=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _1366974)
   Call: (213) [system] peek_char((0x563acd73bee0), _1367908)
   Exit: (213) [system] peek_char((0x563acd73bee0), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_1372628, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_1373560, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x563acd73bee0), n)
   Exit: (213) [system] get_char((0x563acd73bee0), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _1380910)
   Call: (214) [system] peek_char((0x563acd73bee0), _1381844)
   Exit: (214) [system] peek_char((0x563acd73bee0), j)
^  Call: (214) [user] is_delimiter(j)
   Call: (215) [system] char_type(j, space)
   Fail: (215) [system] char_type(j, space)
   Call: (215) [system] arg(_1386564, v('(', ')', end_of_file), j)
   Fail: (215) [system] arg(_1387496, v('(', ')', end_of_file), j)
^  Fail: (214) [user] is_delimiter(j)
   Call: (214) [system] ')'==j
   Fail: (214) [system] ')'==j
   Call: (214) [system] get_char((0x563acd73bee0), j)
   Exit: (214) [system] get_char((0x563acd73bee0), j)
   Call: (214) [system] j=(\)
   Fail: (214) [system] j=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _1394846)
   Call: (215) [system] peek_char((0x563acd73bee0), _1395780)
   Exit: (215) [system] peek_char((0x563acd73bee0), u)
^  Call: (215) [user] is_delimiter(u)
   Call: (216) [system] char_type(u, space)
   Fail: (216) [system] char_type(u, space)
   Call: (216) [system] arg(_1400500, v('(', ')', end_of_file), u)
   Fail: (216) [system] arg(_1401432, v('(', ')', end_of_file), u)
^  Fail: (215) [user] is_delimiter(u)
   Call: (215) [system] ')'==u
   Fail: (215) [system] ')'==u
   Call: (215) [system] get_char((0x563acd73bee0), u)
   Exit: (215) [system] get_char((0x563acd73bee0), u)
   Call: (215) [system] u=(\)
   Fail: (215) [system] u=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _1408782)
   Call: (216) [system] peek_char((0x563acd73bee0), _1409716)
   Exit: (216) [system] peek_char((0x563acd73bee0), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_1414436, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_1415368, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x563acd73bee0), n)
   Exit: (216) [system] get_char((0x563acd73bee0), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _1422718)
   Call: (217) [system] peek_char((0x563acd73bee0), _1423652)
   Exit: (217) [system] peek_char((0x563acd73bee0), c)
^  Call: (217) [user] is_delimiter(c)
   Call: (218) [system] char_type(c, space)
   Fail: (218) [system] char_type(c, space)
   Call: (218) [system] arg(_1428372, v('(', ')', end_of_file), c)
   Fail: (218) [system] arg(_1429304, v('(', ')', end_of_file), c)
^  Fail: (217) [user] is_delimiter(c)
   Call: (217) [system] ')'==c
   Fail: (217) [system] ')'==c
   Call: (217) [system] get_char((0x563acd73bee0), c)
   Exit: (217) [system] get_char((0x563acd73bee0), c)
   Call: (217) [system] c=(\)
   Fail: (217) [system] c=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _1436654)
   Call: (218) [system] peek_char((0x563acd73bee0), _1437588)
   Exit: (218) [system] peek_char((0x563acd73bee0), t)
^  Call: (218) [user] is_delimiter(t)
   Call: (219) [system] char_type(t, space)
   Fail: (219) [system] char_type(t, space)
   Call: (219) [system] arg(_1442308, v('(', ')', end_of_file), t)
   Fail: (219) [system] arg(_1443240, v('(', ')', end_of_file), t)
^  Fail: (218) [user] is_delimiter(t)
   Call: (218) [system] ')'==t
   Fail: (218) [system] ')'==t
   Call: (218) [system] get_char((0x563acd73bee0), t)
   Exit: (218) [system] get_char((0x563acd73bee0), t)
   Call: (218) [system] t=(\)
   Fail: (218) [system] t=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _1450590)
   Call: (219) [system] peek_char((0x563acd73bee0), _1451524)
   Exit: (219) [system] peek_char((0x563acd73bee0), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Fail: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_1456244, v('(', ')', end_of_file), i)
   Fail: (220) [system] arg(_1457176, v('(', ')', end_of_file), i)
^  Fail: (219) [user] is_delimiter(i)
   Call: (219) [system] ')'==i
   Fail: (219) [system] ')'==i
   Call: (219) [system] get_char((0x563acd73bee0), i)
   Exit: (219) [system] get_char((0x563acd73bee0), i)
   Call: (219) [system] i=(\)
   Fail: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _1464526)
   Call: (220) [system] peek_char((0x563acd73bee0), _1465460)
   Exit: (220) [system] peek_char((0x563acd73bee0), o)
^  Call: (220) [user] is_delimiter(o)
   Call: (221) [system] char_type(o, space)
   Fail: (221) [system] char_type(o, space)
   Call: (221) [system] arg(_1470180, v('(', ')', end_of_file), o)
   Fail: (221) [system] arg(_1471112, v('(', ')', end_of_file), o)
^  Fail: (220) [user] is_delimiter(o)
   Call: (220) [system] ')'==o
   Fail: (220) [system] ')'==o
   Call: (220) [system] get_char((0x563acd73bee0), o)
   Exit: (220) [system] get_char((0x563acd73bee0), o)
   Call: (220) [system] o=(\)
   Fail: (220) [system] o=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _1478462)
   Call: (221) [system] peek_char((0x563acd73bee0), _1479396)
   Exit: (221) [system] peek_char((0x563acd73bee0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_1484116, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_1485048, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x563acd73bee0), n)
   Exit: (221) [system] get_char((0x563acd73bee0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _1492398)
   Call: (222) [system] peek_char((0x563acd73bee0), _1493332)
   Exit: (222) [system] peek_char((0x563acd73bee0), 'I')
^  Call: (222) [user] is_delimiter('I')
   Call: (223) [system] char_type('I', space)
   Fail: (223) [system] char_type('I', space)
   Call: (223) [system] arg(_1498052, v('(', ')', end_of_file), 'I')
   Fail: (223) [system] arg(_1498984, v('(', ')', end_of_file), 'I')
^  Fail: (222) [user] is_delimiter('I')
   Call: (222) [system] ')'=='I'
   Fail: (222) [system] ')'=='I'
   Call: (222) [system] get_char((0x563acd73bee0), 'I')
   Exit: (222) [system] get_char((0x563acd73bee0), 'I')
   Call: (222) [system] 'I'=(\)
   Fail: (222) [system] 'I'=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _1506334)
   Call: (223) [system] peek_char((0x563acd73bee0), _1507268)
   Exit: (223) [system] peek_char((0x563acd73bee0), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_1511988, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_1512920, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x563acd73bee0), n)
   Exit: (223) [system] get_char((0x563acd73bee0), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _1520270)
   Call: (224) [system] peek_char((0x563acd73bee0), _1521204)
   Exit: (224) [system] peek_char((0x563acd73bee0), t)
^  Call: (224) [user] is_delimiter(t)
   Call: (225) [system] char_type(t, space)
   Fail: (225) [system] char_type(t, space)
   Call: (225) [system] arg(_1525924, v('(', ')', end_of_file), t)
   Fail: (225) [system] arg(_1526856, v('(', ')', end_of_file), t)
^  Fail: (224) [user] is_delimiter(t)
   Call: (224) [system] ')'==t
   Fail: (224) [system] ')'==t
   Call: (224) [system] get_char((0x563acd73bee0), t)
   Exit: (224) [system] get_char((0x563acd73bee0), t)
   Call: (224) [system] t=(\)
   Fail: (224) [system] t=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _1534206)
   Call: (225) [system] peek_char((0x563acd73bee0), _1535140)
   Exit: (225) [system] peek_char((0x563acd73bee0), r)
^  Call: (225) [user] is_delimiter(r)
   Call: (226) [system] char_type(r, space)
   Fail: (226) [system] char_type(r, space)
   Call: (226) [system] arg(_1539860, v('(', ')', end_of_file), r)
   Fail: (226) [system] arg(_1540792, v('(', ')', end_of_file), r)
^  Fail: (225) [user] is_delimiter(r)
   Call: (225) [system] ')'==r
   Fail: (225) [system] ')'==r
   Call: (225) [system] get_char((0x563acd73bee0), r)
   Exit: (225) [system] get_char((0x563acd73bee0), r)
   Call: (225) [system] r=(\)
   Fail: (225) [system] r=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _1548142)
   Call: (226) [system] peek_char((0x563acd73bee0), _1549076)
   Exit: (226) [system] peek_char((0x563acd73bee0), o)
^  Call: (226) [user] is_delimiter(o)
   Call: (227) [system] char_type(o, space)
   Fail: (227) [system] char_type(o, space)
   Call: (227) [system] arg(_1553796, v('(', ')', end_of_file), o)
   Fail: (227) [system] arg(_1554728, v('(', ')', end_of_file), o)
^  Fail: (226) [user] is_delimiter(o)
   Call: (226) [system] ')'==o
   Fail: (226) [system] ')'==o
   Call: (226) [system] get_char((0x563acd73bee0), o)
   Exit: (226) [system] get_char((0x563acd73bee0), o)
   Call: (226) [system] o=(\)
   Fail: (226) [system] o=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _1562078)
   Call: (227) [system] peek_char((0x563acd73bee0), _1563012)
   Exit: (227) [system] peek_char((0x563acd73bee0), d)
^  Call: (227) [user] is_delimiter(d)
   Call: (228) [system] char_type(d, space)
   Fail: (228) [system] char_type(d, space)
   Call: (228) [system] arg(_1567732, v('(', ')', end_of_file), d)
   Fail: (228) [system] arg(_1568664, v('(', ')', end_of_file), d)
^  Fail: (227) [user] is_delimiter(d)
   Call: (227) [system] ')'==d
   Fail: (227) [system] ')'==d
   Call: (227) [system] get_char((0x563acd73bee0), d)
   Exit: (227) [system] get_char((0x563acd73bee0), d)
   Call: (227) [system] d=(\)
   Fail: (227) [system] d=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _1576014)
   Call: (228) [system] peek_char((0x563acd73bee0), _1576948)
   Exit: (228) [system] peek_char((0x563acd73bee0), u)
^  Call: (228) [user] is_delimiter(u)
   Call: (229) [system] char_type(u, space)
   Fail: (229) [system] char_type(u, space)
   Call: (229) [system] arg(_1581668, v('(', ')', end_of_file), u)
   Fail: (229) [system] arg(_1582600, v('(', ')', end_of_file), u)
^  Fail: (228) [user] is_delimiter(u)
   Call: (228) [system] ')'==u
   Fail: (228) [system] ')'==u
   Call: (228) [system] get_char((0x563acd73bee0), u)
   Exit: (228) [system] get_char((0x563acd73bee0), u)
   Call: (228) [system] u=(\)
   Fail: (228) [system] u=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _1589950)
   Call: (229) [system] peek_char((0x563acd73bee0), _1590884)
   Exit: (229) [system] peek_char((0x563acd73bee0), c)
^  Call: (229) [user] is_delimiter(c)
   Call: (230) [system] char_type(c, space)
   Fail: (230) [system] char_type(c, space)
   Call: (230) [system] arg(_1595604, v('(', ')', end_of_file), c)
   Fail: (230) [system] arg(_1596536, v('(', ')', end_of_file), c)
^  Fail: (229) [user] is_delimiter(c)
   Call: (229) [system] ')'==c
   Fail: (229) [system] ')'==c
   Call: (229) [system] get_char((0x563acd73bee0), c)
   Exit: (229) [system] get_char((0x563acd73bee0), c)
   Call: (229) [system] c=(\)
   Fail: (229) [system] c=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _1603886)
   Call: (230) [system] peek_char((0x563acd73bee0), _1604820)
   Exit: (230) [system] peek_char((0x563acd73bee0), t)
^  Call: (230) [user] is_delimiter(t)
   Call: (231) [system] char_type(t, space)
   Fail: (231) [system] char_type(t, space)
   Call: (231) [system] arg(_1609540, v('(', ')', end_of_file), t)
   Fail: (231) [system] arg(_1610472, v('(', ')', end_of_file), t)
^  Fail: (230) [user] is_delimiter(t)
   Call: (230) [system] ')'==t
   Fail: (230) [system] ')'==t
   Call: (230) [system] get_char((0x563acd73bee0), t)
   Exit: (230) [system] get_char((0x563acd73bee0), t)
   Call: (230) [system] t=(\)
   Fail: (230) [system] t=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _1617822)
   Call: (231) [system] peek_char((0x563acd73bee0), _1618756)
   Exit: (231) [system] peek_char((0x563acd73bee0), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Fail: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_1623476, v('(', ')', end_of_file), i)
   Fail: (232) [system] arg(_1624408, v('(', ')', end_of_file), i)
^  Fail: (231) [user] is_delimiter(i)
   Call: (231) [system] ')'==i
   Fail: (231) [system] ')'==i
   Call: (231) [system] get_char((0x563acd73bee0), i)
   Exit: (231) [system] get_char((0x563acd73bee0), i)
   Call: (231) [system] i=(\)
   Fail: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _1631758)
   Call: (232) [system] peek_char((0x563acd73bee0), _1632692)
   Exit: (232) [system] peek_char((0x563acd73bee0), o)
^  Call: (232) [user] is_delimiter(o)
   Call: (233) [system] char_type(o, space)
   Fail: (233) [system] char_type(o, space)
   Call: (233) [system] arg(_1637412, v('(', ')', end_of_file), o)
   Fail: (233) [system] arg(_1638344, v('(', ')', end_of_file), o)
^  Fail: (232) [user] is_delimiter(o)
   Call: (232) [system] ')'==o
   Fail: (232) [system] ')'==o
   Call: (232) [system] get_char((0x563acd73bee0), o)
   Exit: (232) [system] get_char((0x563acd73bee0), o)
   Call: (232) [system] o=(\)
   Fail: (232) [system] o=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _1645694)
   Call: (233) [system] peek_char((0x563acd73bee0), _1646628)
   Exit: (233) [system] peek_char((0x563acd73bee0), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_1651348, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_1652280, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x563acd73bee0), n)
   Exit: (233) [system] get_char((0x563acd73bee0), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), _1659630)
   Call: (234) [system] peek_char((0x563acd73bee0), _1660564)
   Exit: (234) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _1659630=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (233) [system] _1645694=[n]
   Exit: (233) [system] [n]=[n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (232) [system] _1631758=[o, n]
   Exit: (232) [system] [o, n]=[o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (231) [system] _1617822=[i, o, n]
   Exit: (231) [system] [i, o, n]=[i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (230) [system] _1603886=[t, i, o, n]
   Exit: (230) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (229) [system] _1589950=[c, t, i, o, n]
   Exit: (229) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n])
   Call: (228) [system] _1576014=[u, c, t, i, o, n]
   Exit: (228) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, i, o, n])
   Call: (227) [system] _1562078=[d, u, c, t, i, o, n]
   Exit: (227) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, u, c, t, i, o, n])
   Call: (226) [system] _1548142=[o, d, u, c, t, i, o, n]
   Exit: (226) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, d, u, c, t, i, o, n])
   Call: (225) [system] _1534206=[r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1520270=[t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1506334=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1492398=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1478462=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1464526=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1450590=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1436654=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1422718=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1408782=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1394846=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _1380910=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1366974=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _1353038=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (211) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1317528)
^  Call: (212) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1731316)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_1732268, _1732270), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1731316), _1732250, fail)), '$restore_trace'(_1732268, _1732270))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_1732268, _1732270))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1731316), _1732250, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_1731316)
   Fail: (213) [system] atomic(_1731316)
   Call: (213) [system] atom_chars(_1731316, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (213) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (212) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
   Call: (212) [system] integer('ConjunctionIntroduction')
   Fail: (212) [system] integer('ConjunctionIntroduction')
   Call: (212) [system] _1317528='ConjunctionIntroduction'
   Exit: (212) [system] 'ConjunctionIntroduction'='ConjunctionIntroduction'
^  Exit: (211) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (210) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'ConjunctionIntroduction')
^  Exit: (209) [user] cont_sexpr(')', (0x563acd73bee0), 'ConjunctionIntroduction')
^  Call: (209) [user] read_list(')', (0x563acd73bee0), _1746266)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1748124)
   Exit: (211) [system] peek_char((0x563acd73bee0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x563acd73bee0), _1757718)
   Exit: (211) [system] get_char((0x563acd73bee0), ' ')
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1760422)
   Exit: (212) [system] peek_char((0x563acd73bee0), a)
   Call: (212) [system] a=(;)
   Fail: (212) [system] a=(;)
   Call: (212) [system] a=(/)
   Fail: (212) [system] a=(/)
^  Call: (212) [user] is_like_space(a)
   Call: (213) [system] char_type(a, 'white')
   Fail: (213) [system] char_type(a, 'white')
   Call: (213) [system] char_type(a, end_of_line)
   Fail: (213) [system] char_type(a, end_of_line)
   Call: (213) [system] char_type(a, space)
   Fail: (213) [system] char_type(a, space)
   Call: (213) [system] char_type(a, cntrl)
   Fail: (213) [system] char_type(a, cntrl)
^  Fail: (212) [user] is_like_space(a)
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1777356)
   Exit: (210) [system] peek_char((0x563acd73bee0), a)
   Call: (210) [system] a=')'
   Fail: (210) [system] a=')'
   Call: (210) [system] a=end_of_file
   Fail: (210) [system] a=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x563acd73bee0), _1782926)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1784784)
   Exit: (212) [system] peek_char((0x563acd73bee0), a)
   Call: (212) [system] a=(;)
   Fail: (212) [system] a=(;)
   Call: (212) [system] a=(/)
   Fail: (212) [system] a=(/)
^  Call: (212) [user] is_like_space(a)
   Call: (213) [system] char_type(a, 'white')
   Fail: (213) [system] char_type(a, 'white')
   Call: (213) [system] char_type(a, end_of_line)
   Fail: (213) [system] char_type(a, end_of_line)
   Call: (213) [system] char_type(a, space)
   Fail: (213) [system] char_type(a, space)
   Call: (213) [system] char_type(a, cntrl)
   Fail: (213) [system] char_type(a, cntrl)
^  Fail: (212) [user] is_like_space(a)
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] get_char((0x563acd73bee0), _1800794)
   Exit: (211) [system] get_char((0x563acd73bee0), a)
   Call: (211) [system] a='('
   Fail: (211) [system] a='('
   Call: (211) [system] a='['
   Fail: (211) [system] a='['
   Call: (211) [system] a='{'
   Fail: (211) [system] a='{'
   Call: (211) [system] a='"'
   Fail: (211) [system] a='"'
   Call: (211) [system] a=!
   Fail: (211) [system] a=!
   Call: (211) [system] a='\''
   Fail: (211) [system] a='\''
   Call: (211) [system] a='`'
   Fail: (211) [system] a='`'
   Call: (211) [system] a=end_of_file
   Fail: (211) [system] a=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x563acd73bee0), a, _1782926)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _1818436)
   Call: (213) [system] peek_char((0x563acd73bee0), _1819370)
   Exit: (213) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (213) [user] is_delimiter(' ')
   Call: (214) [system] char_type(' ', space)
   Exit: (214) [system] char_type(' ', space)
^  Exit: (213) [user] is_delimiter(' ')
   Call: (213) [system] _1818436=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (212) [user] classify_and_convert_charseq([a], _1782926)
^  Call: (213) [user] classify_and_convert_charseq_([a], _1828654)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_1829606, _1829608), once(user:catch(read_from_chars([a], _1828654), _1829588, fail)), '$restore_trace'(_1829606, _1829608))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_1829606, _1829608))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1829588, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(a)
   Exit: (214) [system] atomic(a)
^  Exit: (213) [user] classify_and_convert_charseq_([a], a)
   Call: (213) [system] integer(a)
   Fail: (213) [system] integer(a)
   Call: (213) [system] _1782926=a
   Exit: (213) [system] a=a
^  Exit: (212) [user] classify_and_convert_charseq([a], a)
^  Exit: (211) [user] read_symbolic(')', (0x563acd73bee0), a, a)
^  Exit: (210) [user] cont_sexpr(')', (0x563acd73bee0), a)
^  Call: (210) [user] read_list(')', (0x563acd73bee0), _1841734)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1843592)
   Exit: (212) [system] peek_char((0x563acd73bee0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x563acd73bee0), _1853186)
   Exit: (212) [system] get_char((0x563acd73bee0), ' ')
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1855890)
   Exit: (213) [system] peek_char((0x563acd73bee0), a)
   Call: (213) [system] a=(;)
   Fail: (213) [system] a=(;)
   Call: (213) [system] a=(/)
   Fail: (213) [system] a=(/)
^  Call: (213) [user] is_like_space(a)
   Call: (214) [system] char_type(a, 'white')
   Fail: (214) [system] char_type(a, 'white')
   Call: (214) [system] char_type(a, end_of_line)
   Fail: (214) [system] char_type(a, end_of_line)
   Call: (214) [system] char_type(a, space)
   Fail: (214) [system] char_type(a, space)
   Call: (214) [system] char_type(a, cntrl)
   Fail: (214) [system] char_type(a, cntrl)
^  Fail: (213) [user] is_like_space(a)
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1872824)
   Exit: (211) [system] peek_char((0x563acd73bee0), a)
   Call: (211) [system] a=')'
   Fail: (211) [system] a=')'
   Call: (211) [system] a=end_of_file
   Fail: (211) [system] a=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x563acd73bee0), _1878394)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1880252)
   Exit: (213) [system] peek_char((0x563acd73bee0), a)
   Call: (213) [system] a=(;)
   Fail: (213) [system] a=(;)
   Call: (213) [system] a=(/)
   Fail: (213) [system] a=(/)
^  Call: (213) [user] is_like_space(a)
   Call: (214) [system] char_type(a, 'white')
   Fail: (214) [system] char_type(a, 'white')
   Call: (214) [system] char_type(a, end_of_line)
   Fail: (214) [system] char_type(a, end_of_line)
   Call: (214) [system] char_type(a, space)
   Fail: (214) [system] char_type(a, space)
   Call: (214) [system] char_type(a, cntrl)
   Fail: (214) [system] char_type(a, cntrl)
^  Fail: (213) [user] is_like_space(a)
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] get_char((0x563acd73bee0), _1896262)
   Exit: (212) [system] get_char((0x563acd73bee0), a)
   Call: (212) [system] a='('
   Fail: (212) [system] a='('
   Call: (212) [system] a='['
   Fail: (212) [system] a='['
   Call: (212) [system] a='{'
   Fail: (212) [system] a='{'
   Call: (212) [system] a='"'
   Fail: (212) [system] a='"'
   Call: (212) [system] a=!
   Fail: (212) [system] a=!
   Call: (212) [system] a='\''
   Fail: (212) [system] a='\''
   Call: (212) [system] a='`'
   Fail: (212) [system] a='`'
   Call: (212) [system] a=end_of_file
   Fail: (212) [system] a=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x563acd73bee0), a, _1878394)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _1913904)
   Call: (214) [system] peek_char((0x563acd73bee0), _1914838)
   Exit: (214) [system] peek_char((0x563acd73bee0), ')')
^  Call: (214) [user] is_delimiter(')')
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] arg(_1919558, v('(', ')', end_of_file), ')')
   Exit: (215) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (214) [user] is_delimiter(')')
   Call: (214) [system] _1913904=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (213) [user] classify_and_convert_charseq([a], _1878394)
^  Call: (214) [user] classify_and_convert_charseq_([a], _1925994)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1926946, _1926948), once(user:catch(read_from_chars([a], _1925994), _1926928, fail)), '$restore_trace'(_1926946, _1926948))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1926946, _1926948))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1926928, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(a)
   Exit: (215) [system] atomic(a)
^  Exit: (214) [user] classify_and_convert_charseq_([a], a)
   Call: (214) [system] integer(a)
   Fail: (214) [system] integer(a)
   Call: (214) [system] _1878394=a
   Exit: (214) [system] a=a
^  Exit: (213) [user] classify_and_convert_charseq([a], a)
^  Exit: (212) [user] read_symbolic(')', (0x563acd73bee0), a, a)
^  Exit: (211) [user] cont_sexpr(')', (0x563acd73bee0), a)
^  Call: (211) [user] read_list(')', (0x563acd73bee0), _1939074)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1940932)
   Exit: (213) [system] peek_char((0x563acd73bee0), ')')
   Call: (213) [system] ')'=(;)
   Fail: (213) [system] ')'=(;)
   Call: (213) [system] ')'=(/)
   Fail: (213) [system] ')'=(/)
^  Call: (213) [user] is_like_space(')')
   Call: (214) [system] char_type(')', 'white')
   Fail: (214) [system] char_type(')', 'white')
   Call: (214) [system] char_type(')', end_of_line)
   Fail: (214) [system] char_type(')', end_of_line)
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] char_type(')', cntrl)
   Fail: (214) [system] char_type(')', cntrl)
^  Fail: (213) [user] is_like_space(')')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1956942)
   Exit: (212) [system] peek_char((0x563acd73bee0), ')')
   Call: (212) [system] ')'=')'
   Exit: (212) [system] ')'=')'
   Call: (212) [system] get_char((0x563acd73bee0), _1960732)
   Exit: (212) [system] get_char((0x563acd73bee0), ')')
   Call: (212) [system] _1939074=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_list(')', (0x563acd73bee0), [])
   Call: (211) [system] _1841734=[a]
   Exit: (211) [system] [a]=[a]
^  Exit: (210) [user] read_list(')', (0x563acd73bee0), [a])
   Call: (210) [system] _1746266=[a, a]
   Exit: (210) [system] [a, a]=[a, a]
^  Exit: (209) [user] read_list(')', (0x563acd73bee0), [a, a])
   Call: (209) [system] _1272510=['ConjunctionIntroduction', a, a]
   Exit: (209) [system] ['ConjunctionIntroduction', a, a]=['ConjunctionIntroduction', a, a]
^  Exit: (208) [user] read_list(')', (0x563acd73bee0), ['ConjunctionIntroduction', a, a])
^  Exit: (207) [user] cont_sexpr(')', (0x563acd73bee0), ['ConjunctionIntroduction', a, a])
^  Call: (207) [user] read_list(')', (0x563acd73bee0), _1974614)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1976472)
   Exit: (209) [system] peek_char((0x563acd73bee0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x563acd73bee0), _1986066)
   Exit: (209) [system] get_char((0x563acd73bee0), ' ')
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1988770)
   Exit: (210) [system] peek_char((0x563acd73bee0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _2005704)
   Exit: (208) [system] peek_char((0x563acd73bee0), '(')
   Call: (208) [system] '('=')'
   Fail: (208) [system] '('=')'
   Call: (208) [system] '('=end_of_file
   Fail: (208) [system] '('=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x563acd73bee0), _2011274)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _2013132)
   Exit: (210) [system] peek_char((0x563acd73bee0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] get_char((0x563acd73bee0), _2029142)
   Exit: (209) [system] get_char((0x563acd73bee0), '(')
   Call: (209) [system] '('='('
   Exit: (209) [system] '('='('
^  Call: (209) [user] read_list(')', (0x563acd73bee0), _2011274)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _2034712)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'A')
   Call: (211) [system] 'A'=(;)
   Fail: (211) [system] 'A'=(;)
   Call: (211) [system] 'A'=(/)
   Fail: (211) [system] 'A'=(/)
^  Call: (211) [user] is_like_space('A')
   Call: (212) [system] char_type('A', 'white')
   Fail: (212) [system] char_type('A', 'white')
   Call: (212) [system] char_type('A', end_of_line)
   Fail: (212) [system] char_type('A', end_of_line)
   Call: (212) [system] char_type('A', space)
   Fail: (212) [system] char_type('A', space)
   Call: (212) [system] char_type('A', cntrl)
   Fail: (212) [system] char_type('A', cntrl)
^  Fail: (211) [user] is_like_space('A')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _2050722)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'A')
   Call: (210) [system] 'A'=')'
   Fail: (210) [system] 'A'=')'
   Call: (210) [system] 'A'=end_of_file
   Fail: (210) [system] 'A'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x563acd73bee0), _2056292)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _2058150)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'A')
   Call: (212) [system] 'A'=(;)
   Fail: (212) [system] 'A'=(;)
   Call: (212) [system] 'A'=(/)
   Fail: (212) [system] 'A'=(/)
^  Call: (212) [user] is_like_space('A')
   Call: (213) [system] char_type('A', 'white')
   Fail: (213) [system] char_type('A', 'white')
   Call: (213) [system] char_type('A', end_of_line)
   Fail: (213) [system] char_type('A', end_of_line)
   Call: (213) [system] char_type('A', space)
   Fail: (213) [system] char_type('A', space)
   Call: (213) [system] char_type('A', cntrl)
   Fail: (213) [system] char_type('A', cntrl)
^  Fail: (212) [user] is_like_space('A')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] get_char((0x563acd73bee0), _2074160)
   Exit: (211) [system] get_char((0x563acd73bee0), 'A')
   Call: (211) [system] 'A'='('
   Fail: (211) [system] 'A'='('
   Call: (211) [system] 'A'='['
   Fail: (211) [system] 'A'='['
   Call: (211) [system] 'A'='{'
   Fail: (211) [system] 'A'='{'
   Call: (211) [system] 'A'='"'
   Fail: (211) [system] 'A'='"'
   Call: (211) [system] 'A'=!
   Fail: (211) [system] 'A'=!
   Call: (211) [system] 'A'='\''
   Fail: (211) [system] 'A'='\''
   Call: (211) [system] 'A'='`'
   Fail: (211) [system] 'A'='`'
   Call: (211) [system] 'A'=end_of_file
   Fail: (211) [system] 'A'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x563acd73bee0), 'A', _2056292)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _2091802)
   Call: (213) [system] peek_char((0x563acd73bee0), _2092736)
   Exit: (213) [system] peek_char((0x563acd73bee0), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_5514, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_6446, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x563acd73bee0), n)
   Exit: (213) [system] get_char((0x563acd73bee0), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _13796)
   Call: (214) [system] peek_char((0x563acd73bee0), _14730)
   Exit: (214) [system] peek_char((0x563acd73bee0), d)
^  Call: (214) [user] is_delimiter(d)
   Call: (215) [system] char_type(d, space)
   Fail: (215) [system] char_type(d, space)
   Call: (215) [system] arg(_19450, v('(', ')', end_of_file), d)
   Fail: (215) [system] arg(_20382, v('(', ')', end_of_file), d)
^  Fail: (214) [user] is_delimiter(d)
   Call: (214) [system] ')'==d
   Fail: (214) [system] ')'==d
   Call: (214) [system] get_char((0x563acd73bee0), d)
   Exit: (214) [system] get_char((0x563acd73bee0), d)
   Call: (214) [system] d=(\)
   Fail: (214) [system] d=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _27732)
   Call: (215) [system] peek_char((0x563acd73bee0), _28666)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (215) [user] is_delimiter('L')
   Call: (216) [system] char_type('L', space)
   Fail: (216) [system] char_type('L', space)
   Call: (216) [system] arg(_33386, v('(', ')', end_of_file), 'L')
   Fail: (216) [system] arg(_34318, v('(', ')', end_of_file), 'L')
^  Fail: (215) [user] is_delimiter('L')
   Call: (215) [system] ')'=='L'
   Fail: (215) [system] ')'=='L'
   Call: (215) [system] get_char((0x563acd73bee0), 'L')
   Exit: (215) [system] get_char((0x563acd73bee0), 'L')
   Call: (215) [system] 'L'=(\)
   Fail: (215) [system] 'L'=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _41668)
   Call: (216) [system] peek_char((0x563acd73bee0), _42602)
   Exit: (216) [system] peek_char((0x563acd73bee0), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Fail: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_47322, v('(', ')', end_of_file), i)
   Fail: (217) [system] arg(_48254, v('(', ')', end_of_file), i)
^  Fail: (216) [user] is_delimiter(i)
   Call: (216) [system] ')'==i
   Fail: (216) [system] ')'==i
   Call: (216) [system] get_char((0x563acd73bee0), i)
   Exit: (216) [system] get_char((0x563acd73bee0), i)
   Call: (216) [system] i=(\)
   Fail: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _55604)
   Call: (217) [system] peek_char((0x563acd73bee0), _56538)
   Exit: (217) [system] peek_char((0x563acd73bee0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_61258, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_62190, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x563acd73bee0), n)
   Exit: (217) [system] get_char((0x563acd73bee0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _69540)
   Call: (218) [system] peek_char((0x563acd73bee0), _70474)
   Exit: (218) [system] peek_char((0x563acd73bee0), k)
^  Call: (218) [user] is_delimiter(k)
   Call: (219) [system] char_type(k, space)
   Fail: (219) [system] char_type(k, space)
   Call: (219) [system] arg(_75194, v('(', ')', end_of_file), k)
   Fail: (219) [system] arg(_76126, v('(', ')', end_of_file), k)
^  Fail: (218) [user] is_delimiter(k)
   Call: (218) [system] ')'==k
   Fail: (218) [system] ')'==k
   Call: (218) [system] get_char((0x563acd73bee0), k)
   Exit: (218) [system] get_char((0x563acd73bee0), k)
   Call: (218) [system] k=(\)
   Fail: (218) [system] k=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _83476)
   Call: (219) [system] peek_char((0x563acd73bee0), _84410)
   Exit: (219) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _83476=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (218) [system] _69540=[k]
   Exit: (218) [system] [k]=[k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (217) [system] _55604=[n, k]
   Exit: (217) [system] [n, k]=[n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (216) [system] _41668=[i, n, k]
   Exit: (216) [system] [i, n, k]=[i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (215) [system] _27732=['L', i, n, k]
   Exit: (215) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (214) [system] _13796=[d, 'L', i, n, k]
   Exit: (214) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, 'L', i, n, k])
   Call: (213) [system] _4830=[n, d, 'L', i, n, k]
   Exit: (213) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, d, 'L', i, n, k])
^  Call: (212) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _4826)
^  Call: (213) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _110458)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_111410, _111412), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _110458), _111392, fail)), '$restore_trace'(_111410, _111412))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_111410, _111412))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _110458), _111392, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_110458)
   Fail: (214) [system] atomic(_110458)
   Call: (214) [system] atom_chars(_110458, ['A', n, d, 'L', i, n, k])
   Exit: (214) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (213) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (213) [system] integer('AndLink')
   Fail: (213) [system] integer('AndLink')
   Call: (213) [system] _4826='AndLink'
   Exit: (213) [system] 'AndLink'='AndLink'
^  Exit: (212) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (211) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'AndLink')
^  Exit: (210) [user] cont_sexpr(')', (0x563acd73bee0), 'AndLink')
^  Call: (210) [user] read_list(')', (0x563acd73bee0), _125408)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _127266)
   Exit: (212) [system] peek_char((0x563acd73bee0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x563acd73bee0), _136860)
   Exit: (212) [system] get_char((0x563acd73bee0), ' ')
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _139564)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'A')
   Call: (213) [system] 'A'=(;)
   Fail: (213) [system] 'A'=(;)
   Call: (213) [system] 'A'=(/)
   Fail: (213) [system] 'A'=(/)
^  Call: (213) [user] is_like_space('A')
   Call: (214) [system] char_type('A', 'white')
   Fail: (214) [system] char_type('A', 'white')
   Call: (214) [system] char_type('A', end_of_line)
   Fail: (214) [system] char_type('A', end_of_line)
   Call: (214) [system] char_type('A', space)
   Fail: (214) [system] char_type('A', space)
   Call: (214) [system] char_type('A', cntrl)
   Fail: (214) [system] char_type('A', cntrl)
^  Fail: (213) [user] is_like_space('A')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _156498)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'A')
   Call: (211) [system] 'A'=')'
   Fail: (211) [system] 'A'=')'
   Call: (211) [system] 'A'=end_of_file
   Fail: (211) [system] 'A'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x563acd73bee0), _162068)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _163926)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'A')
   Call: (213) [system] 'A'=(;)
   Fail: (213) [system] 'A'=(;)
   Call: (213) [system] 'A'=(/)
   Fail: (213) [system] 'A'=(/)
^  Call: (213) [user] is_like_space('A')
   Call: (214) [system] char_type('A', 'white')
   Fail: (214) [system] char_type('A', 'white')
   Call: (214) [system] char_type('A', end_of_line)
   Fail: (214) [system] char_type('A', end_of_line)
   Call: (214) [system] char_type('A', space)
   Fail: (214) [system] char_type('A', space)
   Call: (214) [system] char_type('A', cntrl)
   Fail: (214) [system] char_type('A', cntrl)
^  Fail: (213) [user] is_like_space('A')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] get_char((0x563acd73bee0), _179936)
   Exit: (212) [system] get_char((0x563acd73bee0), 'A')
   Call: (212) [system] 'A'='('
   Fail: (212) [system] 'A'='('
   Call: (212) [system] 'A'='['
   Fail: (212) [system] 'A'='['
   Call: (212) [system] 'A'='{'
   Fail: (212) [system] 'A'='{'
   Call: (212) [system] 'A'='"'
   Fail: (212) [system] 'A'='"'
   Call: (212) [system] 'A'=!
   Fail: (212) [system] 'A'=!
   Call: (212) [system] 'A'='\''
   Fail: (212) [system] 'A'='\''
   Call: (212) [system] 'A'='`'
   Fail: (212) [system] 'A'='`'
   Call: (212) [system] 'A'=end_of_file
   Fail: (212) [system] 'A'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x563acd73bee0), 'A', _162068)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _197578)
   Call: (214) [system] peek_char((0x563acd73bee0), _198512)
   Exit: (214) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _197578=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (213) [user] classify_and_convert_charseq(['A'], _162068)
^  Call: (214) [user] classify_and_convert_charseq_(['A'], _207796)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_208748, _208750), once(user:catch(read_from_chars(['A'], _207796), _208730, fail)), '$restore_trace'(_208748, _208750))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_208748, _208750))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _207796), _208730, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_207796)
   Fail: (215) [system] atomic(_207796)
   Call: (215) [system] atom_chars(_207796, ['A'])
   Exit: (215) [system] atom_chars('A', ['A'])
^  Exit: (214) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (214) [system] integer('A')
   Fail: (214) [system] integer('A')
   Call: (214) [system] _162068='A'
   Exit: (214) [system] 'A'='A'
^  Exit: (213) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (212) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (211) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (211) [user] read_list(')', (0x563acd73bee0), _222746)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _224604)
   Exit: (213) [system] peek_char((0x563acd73bee0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x563acd73bee0), _234198)
   Exit: (213) [system] get_char((0x563acd73bee0), ' ')
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _236902)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'B')
   Call: (214) [system] 'B'=(;)
   Fail: (214) [system] 'B'=(;)
   Call: (214) [system] 'B'=(/)
   Fail: (214) [system] 'B'=(/)
^  Call: (214) [user] is_like_space('B')
   Call: (215) [system] char_type('B', 'white')
   Fail: (215) [system] char_type('B', 'white')
   Call: (215) [system] char_type('B', end_of_line)
   Fail: (215) [system] char_type('B', end_of_line)
   Call: (215) [system] char_type('B', space)
   Fail: (215) [system] char_type('B', space)
   Call: (215) [system] char_type('B', cntrl)
   Fail: (215) [system] char_type('B', cntrl)
^  Fail: (214) [user] is_like_space('B')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _253836)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'B')
   Call: (212) [system] 'B'=')'
   Fail: (212) [system] 'B'=')'
   Call: (212) [system] 'B'=end_of_file
   Fail: (212) [system] 'B'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x563acd73bee0), _259406)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _261264)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'B')
   Call: (214) [system] 'B'=(;)
   Fail: (214) [system] 'B'=(;)
   Call: (214) [system] 'B'=(/)
   Fail: (214) [system] 'B'=(/)
^  Call: (214) [user] is_like_space('B')
   Call: (215) [system] char_type('B', 'white')
   Fail: (215) [system] char_type('B', 'white')
   Call: (215) [system] char_type('B', end_of_line)
   Fail: (215) [system] char_type('B', end_of_line)
   Call: (215) [system] char_type('B', space)
   Fail: (215) [system] char_type('B', space)
   Call: (215) [system] char_type('B', cntrl)
   Fail: (215) [system] char_type('B', cntrl)
^  Fail: (214) [user] is_like_space('B')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] get_char((0x563acd73bee0), _277274)
   Exit: (213) [system] get_char((0x563acd73bee0), 'B')
   Call: (213) [system] 'B'='('
   Fail: (213) [system] 'B'='('
   Call: (213) [system] 'B'='['
   Fail: (213) [system] 'B'='['
   Call: (213) [system] 'B'='{'
   Fail: (213) [system] 'B'='{'
   Call: (213) [system] 'B'='"'
   Fail: (213) [system] 'B'='"'
   Call: (213) [system] 'B'=!
   Fail: (213) [system] 'B'=!
   Call: (213) [system] 'B'='\''
   Fail: (213) [system] 'B'='\''
   Call: (213) [system] 'B'='`'
   Fail: (213) [system] 'B'='`'
   Call: (213) [system] 'B'=end_of_file
   Fail: (213) [system] 'B'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x563acd73bee0), 'B', _259406)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _294916)
   Call: (215) [system] peek_char((0x563acd73bee0), _295850)
   Exit: (215) [system] peek_char((0x563acd73bee0), ')')
^  Call: (215) [user] is_delimiter(')')
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] arg(_300570, v('(', ')', end_of_file), ')')
   Exit: (216) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (215) [user] is_delimiter(')')
   Call: (215) [system] _294916=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (214) [user] classify_and_convert_charseq(['B'], _259406)
^  Call: (215) [user] classify_and_convert_charseq_(['B'], _307006)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_307958, _307960), once(user:catch(read_from_chars(['B'], _307006), _307940, fail)), '$restore_trace'(_307958, _307960))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_307958, _307960))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _307006), _307940, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_307006)
   Fail: (216) [system] atomic(_307006)
   Call: (216) [system] atom_chars(_307006, ['B'])
   Exit: (216) [system] atom_chars('B', ['B'])
^  Exit: (215) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (215) [system] integer('B')
   Fail: (215) [system] integer('B')
   Call: (215) [system] _259406='B'
   Exit: (215) [system] 'B'='B'
^  Exit: (214) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (213) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (212) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (212) [user] read_list(')', (0x563acd73bee0), _321956)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _323814)
   Exit: (214) [system] peek_char((0x563acd73bee0), ')')
   Call: (214) [system] ')'=(;)
   Fail: (214) [system] ')'=(;)
   Call: (214) [system] ')'=(/)
   Fail: (214) [system] ')'=(/)
^  Call: (214) [user] is_like_space(')')
   Call: (215) [system] char_type(')', 'white')
   Fail: (215) [system] char_type(')', 'white')
   Call: (215) [system] char_type(')', end_of_line)
   Fail: (215) [system] char_type(')', end_of_line)
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] char_type(')', cntrl)
   Fail: (215) [system] char_type(')', cntrl)
^  Fail: (214) [user] is_like_space(')')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _339824)
   Exit: (213) [system] peek_char((0x563acd73bee0), ')')
   Call: (213) [system] ')'=')'
   Exit: (213) [system] ')'=')'
   Call: (213) [system] get_char((0x563acd73bee0), _343614)
   Exit: (213) [system] get_char((0x563acd73bee0), ')')
   Call: (213) [system] _321956=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_list(')', (0x563acd73bee0), [])
   Call: (212) [system] _222746=['B']
   Exit: (212) [system] ['B']=['B']
^  Exit: (211) [user] read_list(')', (0x563acd73bee0), ['B'])
   Call: (211) [system] _125408=['A', 'B']
   Exit: (211) [system] ['A', 'B']=['A', 'B']
^  Exit: (210) [user] read_list(')', (0x563acd73bee0), ['A', 'B'])
   Call: (210) [system] _4820=['AndLink', 'A', 'B']
   Exit: (210) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (209) [user] read_list(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Exit: (208) [user] cont_sexpr(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Call: (208) [user] read_list(')', (0x563acd73bee0), _357496)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _359354)
   Exit: (210) [system] peek_char((0x563acd73bee0), ')')
   Call: (210) [system] ')'=(;)
   Fail: (210) [system] ')'=(;)
   Call: (210) [system] ')'=(/)
   Fail: (210) [system] ')'=(/)
^  Call: (210) [user] is_like_space(')')
   Call: (211) [system] char_type(')', 'white')
   Fail: (211) [system] char_type(')', 'white')
   Call: (211) [system] char_type(')', end_of_line)
   Fail: (211) [system] char_type(')', end_of_line)
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] char_type(')', cntrl)
   Fail: (211) [system] char_type(')', cntrl)
^  Fail: (210) [user] is_like_space(')')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _375364)
   Exit: (209) [system] peek_char((0x563acd73bee0), ')')
   Call: (209) [system] ')'=')'
   Exit: (209) [system] ')'=')'
   Call: (209) [system] get_char((0x563acd73bee0), _379154)
   Exit: (209) [system] get_char((0x563acd73bee0), ')')
   Call: (209) [system] _357496=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_list(')', (0x563acd73bee0), [])
   Call: (208) [system] _4816=[['AndLink', 'A', 'B']]
   Exit: (208) [system] [['AndLink', 'A', 'B']]=[['AndLink', 'A', 'B']]
^  Exit: (207) [user] read_list(')', (0x563acd73bee0), [['AndLink', 'A', 'B']])
   Call: (207) [system] _4792=[['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']]
   Exit: (207) [system] [['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']]=[['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']]
^  Exit: (206) [user] read_list(')', (0x563acd73bee0), [['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']])
   Call: (206) [system] _4784=[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']]
   Exit: (206) [system] [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']]=[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']]
^  Exit: (205) [user] read_list(')', (0x563acd73bee0), [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']])
^  Exit: (204) [user] cont_sexpr(')', (0x563acd73bee0), [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']])
^  Call: (204) [user] read_list(')', (0x563acd73bee0), _393036)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _394894)
   Exit: (206) [system] peek_char((0x563acd73bee0), '\n')
   Call: (206) [system] '\n'=(;)
   Fail: (206) [system] '\n'=(;)
   Call: (206) [system] '\n'=(/)
   Fail: (206) [system] '\n'=(/)
^  Call: (206) [user] is_like_space('\n')
   Call: (207) [system] char_type('\n', 'white')
   Fail: (207) [system] char_type('\n', 'white')
   Call: (207) [system] char_type('\n', end_of_line)
   Exit: (207) [system] char_type('\n', end_of_line)
^  Exit: (206) [user] is_like_space('\n')
   Call: (206) [system] get_char((0x563acd73bee0), _406344)
   Exit: (206) [system] get_char((0x563acd73bee0), '\n')
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _409048)
   Exit: (207) [system] peek_char((0x563acd73bee0), '\t')
   Call: (207) [system] '\t'=(;)
   Fail: (207) [system] '\t'=(;)
   Call: (207) [system] '\t'=(/)
   Fail: (207) [system] '\t'=(/)
^  Call: (207) [user] is_like_space('\t')
   Call: (208) [system] char_type('\t', 'white')
   Exit: (208) [system] char_type('\t', 'white')
^  Exit: (207) [user] is_like_space('\t')
   Call: (207) [system] get_char((0x563acd73bee0), _418642)
   Exit: (207) [system] get_char((0x563acd73bee0), '\t')
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _421346)
   Exit: (208) [system] peek_char((0x563acd73bee0), '\t')
   Call: (208) [system] '\t'=(;)
   Fail: (208) [system] '\t'=(;)
   Call: (208) [system] '\t'=(/)
   Fail: (208) [system] '\t'=(/)
^  Call: (208) [user] is_like_space('\t')
   Call: (209) [system] char_type('\t', 'white')
   Exit: (209) [system] char_type('\t', 'white')
^  Exit: (208) [user] is_like_space('\t')
   Call: (208) [system] get_char((0x563acd73bee0), _430940)
   Exit: (208) [system] get_char((0x563acd73bee0), '\t')
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _433644)
   Exit: (209) [system] peek_char((0x563acd73bee0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x563acd73bee0), _443238)
   Exit: (209) [system] get_char((0x563acd73bee0), ' ')
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _445942)
   Exit: (210) [system] peek_char((0x563acd73bee0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _465648)
   Exit: (205) [system] peek_char((0x563acd73bee0), '(')
   Call: (205) [system] '('=')'
   Fail: (205) [system] '('=')'
   Call: (205) [system] '('=end_of_file
   Fail: (205) [system] '('=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x563acd73bee0), _471218)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _473076)
   Exit: (207) [system] peek_char((0x563acd73bee0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] get_char((0x563acd73bee0), _489086)
   Exit: (206) [system] get_char((0x563acd73bee0), '(')
   Call: (206) [system] '('='('
   Exit: (206) [system] '('='('
^  Call: (206) [user] read_list(')', (0x563acd73bee0), _471218)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _494656)
   Exit: (208) [system] peek_char((0x563acd73bee0), :)
   Call: (208) [system] (:)=(;)
   Fail: (208) [system] (:)=(;)
   Call: (208) [system] (:)=(/)
   Fail: (208) [system] (:)=(/)
^  Call: (208) [user] is_like_space(:)
   Call: (209) [system] char_type(:, 'white')
   Fail: (209) [system] char_type(:, 'white')
   Call: (209) [system] char_type(:, end_of_line)
   Fail: (209) [system] char_type(:, end_of_line)
   Call: (209) [system] char_type(:, space)
   Fail: (209) [system] char_type(:, space)
   Call: (209) [system] char_type(:, cntrl)
   Fail: (209) [system] char_type(:, cntrl)
^  Fail: (208) [user] is_like_space(:)
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _510666)
   Exit: (207) [system] peek_char((0x563acd73bee0), :)
   Call: (207) [system] (:)=')'
   Fail: (207) [system] (:)=')'
   Call: (207) [system] (:)=end_of_file
   Fail: (207) [system] (:)=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x563acd73bee0), _516236)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _518094)
   Exit: (209) [system] peek_char((0x563acd73bee0), :)
   Call: (209) [system] (:)=(;)
   Fail: (209) [system] (:)=(;)
   Call: (209) [system] (:)=(/)
   Fail: (209) [system] (:)=(/)
^  Call: (209) [user] is_like_space(:)
   Call: (210) [system] char_type(:, 'white')
   Fail: (210) [system] char_type(:, 'white')
   Call: (210) [system] char_type(:, end_of_line)
   Fail: (210) [system] char_type(:, end_of_line)
   Call: (210) [system] char_type(:, space)
   Fail: (210) [system] char_type(:, space)
   Call: (210) [system] char_type(:, cntrl)
   Fail: (210) [system] char_type(:, cntrl)
^  Fail: (209) [user] is_like_space(:)
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] get_char((0x563acd73bee0), _534104)
   Exit: (208) [system] get_char((0x563acd73bee0), :)
   Call: (208) [system] (:)='('
   Fail: (208) [system] (:)='('
   Call: (208) [system] (:)='['
   Fail: (208) [system] (:)='['
   Call: (208) [system] (:)='{'
   Fail: (208) [system] (:)='{'
   Call: (208) [system] (:)='"'
   Fail: (208) [system] (:)='"'
   Call: (208) [system] (:)=!
   Fail: (208) [system] (:)=!
   Call: (208) [system] (:)='\''
   Fail: (208) [system] (:)='\''
   Call: (208) [system] (:)='`'
   Fail: (208) [system] (:)='`'
   Call: (208) [system] (:)=end_of_file
   Fail: (208) [system] (:)=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x563acd73bee0), :, _516236)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _551746)
   Call: (210) [system] peek_char((0x563acd73bee0), _552680)
   Exit: (210) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _551746=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (209) [user] classify_and_convert_charseq([:], _516236)
^  Call: (210) [user] classify_and_convert_charseq_([:], _561964)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_562916, _562918), once(user:catch(read_from_chars([:], _561964), _562898, fail)), '$restore_trace'(_562916, _562918))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_562916, _562918))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _562898, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(:)
   Exit: (211) [system] atomic(:)
^  Exit: (210) [user] classify_and_convert_charseq_([:], :)
   Call: (210) [system] integer(:)
   Fail: (210) [system] integer(:)
   Call: (210) [system] _516236=(:)
   Exit: (210) [system] (:)=(:)
^  Exit: (209) [user] classify_and_convert_charseq([:], :)
^  Exit: (208) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (207) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (207) [user] read_list(')', (0x563acd73bee0), _575044)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _576902)
   Exit: (209) [system] peek_char((0x563acd73bee0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x563acd73bee0), _586496)
   Exit: (209) [system] get_char((0x563acd73bee0), ' ')
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _589200)
   Exit: (210) [system] peek_char((0x563acd73bee0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _606134)
   Exit: (208) [system] peek_char((0x563acd73bee0), '(')
   Call: (208) [system] '('=')'
   Fail: (208) [system] '('=')'
   Call: (208) [system] '('=end_of_file
   Fail: (208) [system] '('=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x563acd73bee0), _611704)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _613562)
   Exit: (210) [system] peek_char((0x563acd73bee0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] get_char((0x563acd73bee0), _629572)
   Exit: (209) [system] get_char((0x563acd73bee0), '(')
   Call: (209) [system] '('='('
   Exit: (209) [system] '('='('
^  Call: (209) [user] read_list(')', (0x563acd73bee0), _611704)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _635142)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'C')
   Call: (211) [system] 'C'=(;)
   Fail: (211) [system] 'C'=(;)
   Call: (211) [system] 'C'=(/)
   Fail: (211) [system] 'C'=(/)
^  Call: (211) [user] is_like_space('C')
   Call: (212) [system] char_type('C', 'white')
   Fail: (212) [system] char_type('C', 'white')
   Call: (212) [system] char_type('C', end_of_line)
   Fail: (212) [system] char_type('C', end_of_line)
   Call: (212) [system] char_type('C', space)
   Fail: (212) [system] char_type('C', space)
   Call: (212) [system] char_type('C', cntrl)
   Fail: (212) [system] char_type('C', cntrl)
^  Fail: (211) [user] is_like_space('C')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _651152)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'C')
   Call: (210) [system] 'C'=')'
   Fail: (210) [system] 'C'=')'
   Call: (210) [system] 'C'=end_of_file
   Fail: (210) [system] 'C'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x563acd73bee0), _656722)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _658580)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'C')
   Call: (212) [system] 'C'=(;)
   Fail: (212) [system] 'C'=(;)
   Call: (212) [system] 'C'=(/)
   Fail: (212) [system] 'C'=(/)
^  Call: (212) [user] is_like_space('C')
   Call: (213) [system] char_type('C', 'white')
   Fail: (213) [system] char_type('C', 'white')
   Call: (213) [system] char_type('C', end_of_line)
   Fail: (213) [system] char_type('C', end_of_line)
   Call: (213) [system] char_type('C', space)
   Fail: (213) [system] char_type('C', space)
   Call: (213) [system] char_type('C', cntrl)
   Fail: (213) [system] char_type('C', cntrl)
^  Fail: (212) [user] is_like_space('C')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] get_char((0x563acd73bee0), _674590)
   Exit: (211) [system] get_char((0x563acd73bee0), 'C')
   Call: (211) [system] 'C'='('
   Fail: (211) [system] 'C'='('
   Call: (211) [system] 'C'='['
   Fail: (211) [system] 'C'='['
   Call: (211) [system] 'C'='{'
   Fail: (211) [system] 'C'='{'
   Call: (211) [system] 'C'='"'
   Fail: (211) [system] 'C'='"'
   Call: (211) [system] 'C'=!
   Fail: (211) [system] 'C'=!
   Call: (211) [system] 'C'='\''
   Fail: (211) [system] 'C'='\''
   Call: (211) [system] 'C'='`'
   Fail: (211) [system] 'C'='`'
   Call: (211) [system] 'C'=end_of_file
   Fail: (211) [system] 'C'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x563acd73bee0), 'C', _656722)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _692232)
   Call: (213) [system] peek_char((0x563acd73bee0), _693166)
   Exit: (213) [system] peek_char((0x563acd73bee0), o)
^  Call: (213) [user] is_delimiter(o)
   Call: (214) [system] char_type(o, space)
   Fail: (214) [system] char_type(o, space)
   Call: (214) [system] arg(_697886, v('(', ')', end_of_file), o)
   Fail: (214) [system] arg(_698818, v('(', ')', end_of_file), o)
^  Fail: (213) [user] is_delimiter(o)
   Call: (213) [system] ')'==o
   Fail: (213) [system] ')'==o
   Call: (213) [system] get_char((0x563acd73bee0), o)
   Exit: (213) [system] get_char((0x563acd73bee0), o)
   Call: (213) [system] o=(\)
   Fail: (213) [system] o=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _706168)
   Call: (214) [system] peek_char((0x563acd73bee0), _707102)
   Exit: (214) [system] peek_char((0x563acd73bee0), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_711822, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_712754, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x563acd73bee0), n)
   Exit: (214) [system] get_char((0x563acd73bee0), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _720104)
   Call: (215) [system] peek_char((0x563acd73bee0), _721038)
   Exit: (215) [system] peek_char((0x563acd73bee0), j)
^  Call: (215) [user] is_delimiter(j)
   Call: (216) [system] char_type(j, space)
   Fail: (216) [system] char_type(j, space)
   Call: (216) [system] arg(_725758, v('(', ')', end_of_file), j)
   Fail: (216) [system] arg(_726690, v('(', ')', end_of_file), j)
^  Fail: (215) [user] is_delimiter(j)
   Call: (215) [system] ')'==j
   Fail: (215) [system] ')'==j
   Call: (215) [system] get_char((0x563acd73bee0), j)
   Exit: (215) [system] get_char((0x563acd73bee0), j)
   Call: (215) [system] j=(\)
   Fail: (215) [system] j=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _734040)
   Call: (216) [system] peek_char((0x563acd73bee0), _734974)
   Exit: (216) [system] peek_char((0x563acd73bee0), u)
^  Call: (216) [user] is_delimiter(u)
   Call: (217) [system] char_type(u, space)
   Fail: (217) [system] char_type(u, space)
   Call: (217) [system] arg(_739694, v('(', ')', end_of_file), u)
   Fail: (217) [system] arg(_740626, v('(', ')', end_of_file), u)
^  Fail: (216) [user] is_delimiter(u)
   Call: (216) [system] ')'==u
   Fail: (216) [system] ')'==u
   Call: (216) [system] get_char((0x563acd73bee0), u)
   Exit: (216) [system] get_char((0x563acd73bee0), u)
   Call: (216) [system] u=(\)
   Fail: (216) [system] u=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _747976)
   Call: (217) [system] peek_char((0x563acd73bee0), _748910)
   Exit: (217) [system] peek_char((0x563acd73bee0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_753630, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_754562, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x563acd73bee0), n)
   Exit: (217) [system] get_char((0x563acd73bee0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _761912)
   Call: (218) [system] peek_char((0x563acd73bee0), _762846)
   Exit: (218) [system] peek_char((0x563acd73bee0), c)
^  Call: (218) [user] is_delimiter(c)
   Call: (219) [system] char_type(c, space)
   Fail: (219) [system] char_type(c, space)
   Call: (219) [system] arg(_767566, v('(', ')', end_of_file), c)
   Fail: (219) [system] arg(_768498, v('(', ')', end_of_file), c)
^  Fail: (218) [user] is_delimiter(c)
   Call: (218) [system] ')'==c
   Fail: (218) [system] ')'==c
   Call: (218) [system] get_char((0x563acd73bee0), c)
   Exit: (218) [system] get_char((0x563acd73bee0), c)
   Call: (218) [system] c=(\)
   Fail: (218) [system] c=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _775848)
   Call: (219) [system] peek_char((0x563acd73bee0), _776782)
   Exit: (219) [system] peek_char((0x563acd73bee0), t)
^  Call: (219) [user] is_delimiter(t)
   Call: (220) [system] char_type(t, space)
   Fail: (220) [system] char_type(t, space)
   Call: (220) [system] arg(_781502, v('(', ')', end_of_file), t)
   Fail: (220) [system] arg(_782434, v('(', ')', end_of_file), t)
^  Fail: (219) [user] is_delimiter(t)
   Call: (219) [system] ')'==t
   Fail: (219) [system] ')'==t
   Call: (219) [system] get_char((0x563acd73bee0), t)
   Exit: (219) [system] get_char((0x563acd73bee0), t)
   Call: (219) [system] t=(\)
   Fail: (219) [system] t=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _789784)
   Call: (220) [system] peek_char((0x563acd73bee0), _790718)
   Exit: (220) [system] peek_char((0x563acd73bee0), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_795438, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_796370, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x563acd73bee0), i)
   Exit: (220) [system] get_char((0x563acd73bee0), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _803720)
   Call: (221) [system] peek_char((0x563acd73bee0), _804654)
   Exit: (221) [system] peek_char((0x563acd73bee0), o)
^  Call: (221) [user] is_delimiter(o)
   Call: (222) [system] char_type(o, space)
   Fail: (222) [system] char_type(o, space)
   Call: (222) [system] arg(_809374, v('(', ')', end_of_file), o)
   Fail: (222) [system] arg(_810306, v('(', ')', end_of_file), o)
^  Fail: (221) [user] is_delimiter(o)
   Call: (221) [system] ')'==o
   Fail: (221) [system] ')'==o
   Call: (221) [system] get_char((0x563acd73bee0), o)
   Exit: (221) [system] get_char((0x563acd73bee0), o)
   Call: (221) [system] o=(\)
   Fail: (221) [system] o=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _817656)
   Call: (222) [system] peek_char((0x563acd73bee0), _818590)
   Exit: (222) [system] peek_char((0x563acd73bee0), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_823310, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_824242, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x563acd73bee0), n)
   Exit: (222) [system] get_char((0x563acd73bee0), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _831592)
   Call: (223) [system] peek_char((0x563acd73bee0), _832526)
   Exit: (223) [system] peek_char((0x563acd73bee0), 'I')
^  Call: (223) [user] is_delimiter('I')
   Call: (224) [system] char_type('I', space)
   Fail: (224) [system] char_type('I', space)
   Call: (224) [system] arg(_837246, v('(', ')', end_of_file), 'I')
   Fail: (224) [system] arg(_838178, v('(', ')', end_of_file), 'I')
^  Fail: (223) [user] is_delimiter('I')
   Call: (223) [system] ')'=='I'
   Fail: (223) [system] ')'=='I'
   Call: (223) [system] get_char((0x563acd73bee0), 'I')
   Exit: (223) [system] get_char((0x563acd73bee0), 'I')
   Call: (223) [system] 'I'=(\)
   Fail: (223) [system] 'I'=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _845528)
   Call: (224) [system] peek_char((0x563acd73bee0), _846462)
   Exit: (224) [system] peek_char((0x563acd73bee0), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_851182, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_852114, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x563acd73bee0), n)
   Exit: (224) [system] get_char((0x563acd73bee0), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _859464)
   Call: (225) [system] peek_char((0x563acd73bee0), _860398)
   Exit: (225) [system] peek_char((0x563acd73bee0), t)
^  Call: (225) [user] is_delimiter(t)
   Call: (226) [system] char_type(t, space)
   Fail: (226) [system] char_type(t, space)
   Call: (226) [system] arg(_865118, v('(', ')', end_of_file), t)
   Fail: (226) [system] arg(_866050, v('(', ')', end_of_file), t)
^  Fail: (225) [user] is_delimiter(t)
   Call: (225) [system] ')'==t
   Fail: (225) [system] ')'==t
   Call: (225) [system] get_char((0x563acd73bee0), t)
   Exit: (225) [system] get_char((0x563acd73bee0), t)
   Call: (225) [system] t=(\)
   Fail: (225) [system] t=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _873400)
   Call: (226) [system] peek_char((0x563acd73bee0), _874334)
   Exit: (226) [system] peek_char((0x563acd73bee0), r)
^  Call: (226) [user] is_delimiter(r)
   Call: (227) [system] char_type(r, space)
   Fail: (227) [system] char_type(r, space)
   Call: (227) [system] arg(_879054, v('(', ')', end_of_file), r)
   Fail: (227) [system] arg(_879986, v('(', ')', end_of_file), r)
^  Fail: (226) [user] is_delimiter(r)
   Call: (226) [system] ')'==r
   Fail: (226) [system] ')'==r
   Call: (226) [system] get_char((0x563acd73bee0), r)
   Exit: (226) [system] get_char((0x563acd73bee0), r)
   Call: (226) [system] r=(\)
   Fail: (226) [system] r=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _887336)
   Call: (227) [system] peek_char((0x563acd73bee0), _888270)
   Exit: (227) [system] peek_char((0x563acd73bee0), o)
^  Call: (227) [user] is_delimiter(o)
   Call: (228) [system] char_type(o, space)
   Fail: (228) [system] char_type(o, space)
   Call: (228) [system] arg(_892990, v('(', ')', end_of_file), o)
   Fail: (228) [system] arg(_893922, v('(', ')', end_of_file), o)
^  Fail: (227) [user] is_delimiter(o)
   Call: (227) [system] ')'==o
   Fail: (227) [system] ')'==o
   Call: (227) [system] get_char((0x563acd73bee0), o)
   Exit: (227) [system] get_char((0x563acd73bee0), o)
   Call: (227) [system] o=(\)
   Fail: (227) [system] o=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _901272)
   Call: (228) [system] peek_char((0x563acd73bee0), _902206)
   Exit: (228) [system] peek_char((0x563acd73bee0), d)
^  Call: (228) [user] is_delimiter(d)
   Call: (229) [system] char_type(d, space)
   Fail: (229) [system] char_type(d, space)
   Call: (229) [system] arg(_906926, v('(', ')', end_of_file), d)
   Fail: (229) [system] arg(_907858, v('(', ')', end_of_file), d)
^  Fail: (228) [user] is_delimiter(d)
   Call: (228) [system] ')'==d
   Fail: (228) [system] ')'==d
   Call: (228) [system] get_char((0x563acd73bee0), d)
   Exit: (228) [system] get_char((0x563acd73bee0), d)
   Call: (228) [system] d=(\)
   Fail: (228) [system] d=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _915208)
   Call: (229) [system] peek_char((0x563acd73bee0), _916142)
   Exit: (229) [system] peek_char((0x563acd73bee0), u)
^  Call: (229) [user] is_delimiter(u)
   Call: (230) [system] char_type(u, space)
   Fail: (230) [system] char_type(u, space)
   Call: (230) [system] arg(_920862, v('(', ')', end_of_file), u)
   Fail: (230) [system] arg(_921794, v('(', ')', end_of_file), u)
^  Fail: (229) [user] is_delimiter(u)
   Call: (229) [system] ')'==u
   Fail: (229) [system] ')'==u
   Call: (229) [system] get_char((0x563acd73bee0), u)
   Exit: (229) [system] get_char((0x563acd73bee0), u)
   Call: (229) [system] u=(\)
   Fail: (229) [system] u=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _929144)
   Call: (230) [system] peek_char((0x563acd73bee0), _930078)
   Exit: (230) [system] peek_char((0x563acd73bee0), c)
^  Call: (230) [user] is_delimiter(c)
   Call: (231) [system] char_type(c, space)
   Fail: (231) [system] char_type(c, space)
   Call: (231) [system] arg(_934798, v('(', ')', end_of_file), c)
   Fail: (231) [system] arg(_935730, v('(', ')', end_of_file), c)
^  Fail: (230) [user] is_delimiter(c)
   Call: (230) [system] ')'==c
   Fail: (230) [system] ')'==c
   Call: (230) [system] get_char((0x563acd73bee0), c)
   Exit: (230) [system] get_char((0x563acd73bee0), c)
   Call: (230) [system] c=(\)
   Fail: (230) [system] c=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _943080)
   Call: (231) [system] peek_char((0x563acd73bee0), _944014)
   Exit: (231) [system] peek_char((0x563acd73bee0), t)
^  Call: (231) [user] is_delimiter(t)
   Call: (232) [system] char_type(t, space)
   Fail: (232) [system] char_type(t, space)
   Call: (232) [system] arg(_948734, v('(', ')', end_of_file), t)
   Fail: (232) [system] arg(_949666, v('(', ')', end_of_file), t)
^  Fail: (231) [user] is_delimiter(t)
   Call: (231) [system] ')'==t
   Fail: (231) [system] ')'==t
   Call: (231) [system] get_char((0x563acd73bee0), t)
   Exit: (231) [system] get_char((0x563acd73bee0), t)
   Call: (231) [system] t=(\)
   Fail: (231) [system] t=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _957016)
   Call: (232) [system] peek_char((0x563acd73bee0), _957950)
   Exit: (232) [system] peek_char((0x563acd73bee0), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Fail: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_962670, v('(', ')', end_of_file), i)
   Fail: (233) [system] arg(_963602, v('(', ')', end_of_file), i)
^  Fail: (232) [user] is_delimiter(i)
   Call: (232) [system] ')'==i
   Fail: (232) [system] ')'==i
   Call: (232) [system] get_char((0x563acd73bee0), i)
   Exit: (232) [system] get_char((0x563acd73bee0), i)
   Call: (232) [system] i=(\)
   Fail: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _970952)
   Call: (233) [system] peek_char((0x563acd73bee0), _971886)
   Exit: (233) [system] peek_char((0x563acd73bee0), o)
^  Call: (233) [user] is_delimiter(o)
   Call: (234) [system] char_type(o, space)
   Fail: (234) [system] char_type(o, space)
   Call: (234) [system] arg(_976606, v('(', ')', end_of_file), o)
   Fail: (234) [system] arg(_977538, v('(', ')', end_of_file), o)
^  Fail: (233) [user] is_delimiter(o)
   Call: (233) [system] ')'==o
   Fail: (233) [system] ')'==o
   Call: (233) [system] get_char((0x563acd73bee0), o)
   Exit: (233) [system] get_char((0x563acd73bee0), o)
   Call: (233) [system] o=(\)
   Fail: (233) [system] o=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), _984888)
   Call: (234) [system] peek_char((0x563acd73bee0), _985822)
   Exit: (234) [system] peek_char((0x563acd73bee0), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Fail: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_990542, v('(', ')', end_of_file), n)
   Fail: (235) [system] arg(_991474, v('(', ')', end_of_file), n)
^  Fail: (234) [user] is_delimiter(n)
   Call: (234) [system] ')'==n
   Fail: (234) [system] ')'==n
   Call: (234) [system] get_char((0x563acd73bee0), n)
   Exit: (234) [system] get_char((0x563acd73bee0), n)
   Call: (234) [system] n=(\)
   Fail: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), _998824)
   Call: (235) [system] peek_char((0x563acd73bee0), _999758)
   Exit: (235) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (235) [user] is_delimiter(' ')
   Call: (236) [system] char_type(' ', space)
   Exit: (236) [system] char_type(' ', space)
^  Exit: (235) [user] is_delimiter(' ')
   Call: (235) [system] _998824=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (234) [system] _984888=[n]
   Exit: (234) [system] [n]=[n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (233) [system] _970952=[o, n]
   Exit: (233) [system] [o, n]=[o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (232) [system] _957016=[i, o, n]
   Exit: (232) [system] [i, o, n]=[i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (231) [system] _943080=[t, i, o, n]
   Exit: (231) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (230) [system] _929144=[c, t, i, o, n]
   Exit: (230) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n])
   Call: (229) [system] _915208=[u, c, t, i, o, n]
   Exit: (229) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, i, o, n])
   Call: (228) [system] _901272=[d, u, c, t, i, o, n]
   Exit: (228) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, u, c, t, i, o, n])
   Call: (227) [system] _887336=[o, d, u, c, t, i, o, n]
   Exit: (227) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, d, u, c, t, i, o, n])
   Call: (226) [system] _873400=[r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _859464=[t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _845528=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _831592=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _817656=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _803720=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _789784=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _775848=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _761912=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _747976=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _734040=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _720104=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _706168=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _692232=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (212) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _656722)
^  Call: (213) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1070510)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_1071462, _1071464), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1070510), _1071444, fail)), '$restore_trace'(_1071462, _1071464))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_1071462, _1071464))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1070510), _1071444, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_1070510)
   Fail: (214) [system] atomic(_1070510)
   Call: (214) [system] atom_chars(_1070510, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (214) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (213) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
   Call: (213) [system] integer('ConjunctionIntroduction')
   Fail: (213) [system] integer('ConjunctionIntroduction')
   Call: (213) [system] _656722='ConjunctionIntroduction'
   Exit: (213) [system] 'ConjunctionIntroduction'='ConjunctionIntroduction'
^  Exit: (212) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (211) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'ConjunctionIntroduction')
^  Exit: (210) [user] cont_sexpr(')', (0x563acd73bee0), 'ConjunctionIntroduction')
^  Call: (210) [user] read_list(')', (0x563acd73bee0), _1085460)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1087318)
   Exit: (212) [system] peek_char((0x563acd73bee0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x563acd73bee0), _1096912)
   Exit: (212) [system] get_char((0x563acd73bee0), ' ')
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1099616)
   Exit: (213) [system] peek_char((0x563acd73bee0), a)
   Call: (213) [system] a=(;)
   Fail: (213) [system] a=(;)
   Call: (213) [system] a=(/)
   Fail: (213) [system] a=(/)
^  Call: (213) [user] is_like_space(a)
   Call: (214) [system] char_type(a, 'white')
   Fail: (214) [system] char_type(a, 'white')
   Call: (214) [system] char_type(a, end_of_line)
   Fail: (214) [system] char_type(a, end_of_line)
   Call: (214) [system] char_type(a, space)
   Fail: (214) [system] char_type(a, space)
   Call: (214) [system] char_type(a, cntrl)
   Fail: (214) [system] char_type(a, cntrl)
^  Fail: (213) [user] is_like_space(a)
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1116550)
   Exit: (211) [system] peek_char((0x563acd73bee0), a)
   Call: (211) [system] a=')'
   Fail: (211) [system] a=')'
   Call: (211) [system] a=end_of_file
   Fail: (211) [system] a=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x563acd73bee0), _1122120)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1123978)
   Exit: (213) [system] peek_char((0x563acd73bee0), a)
   Call: (213) [system] a=(;)
   Fail: (213) [system] a=(;)
   Call: (213) [system] a=(/)
   Fail: (213) [system] a=(/)
^  Call: (213) [user] is_like_space(a)
   Call: (214) [system] char_type(a, 'white')
   Fail: (214) [system] char_type(a, 'white')
   Call: (214) [system] char_type(a, end_of_line)
   Fail: (214) [system] char_type(a, end_of_line)
   Call: (214) [system] char_type(a, space)
   Fail: (214) [system] char_type(a, space)
   Call: (214) [system] char_type(a, cntrl)
   Fail: (214) [system] char_type(a, cntrl)
^  Fail: (213) [user] is_like_space(a)
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] get_char((0x563acd73bee0), _1139988)
   Exit: (212) [system] get_char((0x563acd73bee0), a)
   Call: (212) [system] a='('
   Fail: (212) [system] a='('
   Call: (212) [system] a='['
   Fail: (212) [system] a='['
   Call: (212) [system] a='{'
   Fail: (212) [system] a='{'
   Call: (212) [system] a='"'
   Fail: (212) [system] a='"'
   Call: (212) [system] a=!
   Fail: (212) [system] a=!
   Call: (212) [system] a='\''
   Fail: (212) [system] a='\''
   Call: (212) [system] a='`'
   Fail: (212) [system] a='`'
   Call: (212) [system] a=end_of_file
   Fail: (212) [system] a=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x563acd73bee0), a, _1122120)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _1157630)
   Call: (214) [system] peek_char((0x563acd73bee0), _1158564)
   Exit: (214) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _1157630=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (213) [user] classify_and_convert_charseq([a], _1122120)
^  Call: (214) [user] classify_and_convert_charseq_([a], _1167848)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1168800, _1168802), once(user:catch(read_from_chars([a], _1167848), _1168782, fail)), '$restore_trace'(_1168800, _1168802))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1168800, _1168802))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1168782, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(a)
   Exit: (215) [system] atomic(a)
^  Exit: (214) [user] classify_and_convert_charseq_([a], a)
   Call: (214) [system] integer(a)
   Fail: (214) [system] integer(a)
   Call: (214) [system] _1122120=a
   Exit: (214) [system] a=a
^  Exit: (213) [user] classify_and_convert_charseq([a], a)
^  Exit: (212) [user] read_symbolic(')', (0x563acd73bee0), a, a)
^  Exit: (211) [user] cont_sexpr(')', (0x563acd73bee0), a)
^  Call: (211) [user] read_list(')', (0x563acd73bee0), _1180928)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1182786)
   Exit: (213) [system] peek_char((0x563acd73bee0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x563acd73bee0), _1192380)
   Exit: (213) [system] get_char((0x563acd73bee0), ' ')
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1195084)
   Exit: (214) [system] peek_char((0x563acd73bee0), a)
   Call: (214) [system] a=(;)
   Fail: (214) [system] a=(;)
   Call: (214) [system] a=(/)
   Fail: (214) [system] a=(/)
^  Call: (214) [user] is_like_space(a)
   Call: (215) [system] char_type(a, 'white')
   Fail: (215) [system] char_type(a, 'white')
   Call: (215) [system] char_type(a, end_of_line)
   Fail: (215) [system] char_type(a, end_of_line)
   Call: (215) [system] char_type(a, space)
   Fail: (215) [system] char_type(a, space)
   Call: (215) [system] char_type(a, cntrl)
   Fail: (215) [system] char_type(a, cntrl)
^  Fail: (214) [user] is_like_space(a)
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1212018)
   Exit: (212) [system] peek_char((0x563acd73bee0), a)
   Call: (212) [system] a=')'
   Fail: (212) [system] a=')'
   Call: (212) [system] a=end_of_file
   Fail: (212) [system] a=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x563acd73bee0), _1217588)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1219446)
   Exit: (214) [system] peek_char((0x563acd73bee0), a)
   Call: (214) [system] a=(;)
   Fail: (214) [system] a=(;)
   Call: (214) [system] a=(/)
   Fail: (214) [system] a=(/)
^  Call: (214) [user] is_like_space(a)
   Call: (215) [system] char_type(a, 'white')
   Fail: (215) [system] char_type(a, 'white')
   Call: (215) [system] char_type(a, end_of_line)
   Fail: (215) [system] char_type(a, end_of_line)
   Call: (215) [system] char_type(a, space)
   Fail: (215) [system] char_type(a, space)
   Call: (215) [system] char_type(a, cntrl)
   Fail: (215) [system] char_type(a, cntrl)
^  Fail: (214) [user] is_like_space(a)
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] get_char((0x563acd73bee0), _1235456)
   Exit: (213) [system] get_char((0x563acd73bee0), a)
   Call: (213) [system] a='('
   Fail: (213) [system] a='('
   Call: (213) [system] a='['
   Fail: (213) [system] a='['
   Call: (213) [system] a='{'
   Fail: (213) [system] a='{'
   Call: (213) [system] a='"'
   Fail: (213) [system] a='"'
   Call: (213) [system] a=!
   Fail: (213) [system] a=!
   Call: (213) [system] a='\''
   Fail: (213) [system] a='\''
   Call: (213) [system] a='`'
   Fail: (213) [system] a='`'
   Call: (213) [system] a=end_of_file
   Fail: (213) [system] a=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x563acd73bee0), a, _1217588)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _1253098)
   Call: (215) [system] peek_char((0x563acd73bee0), _1254032)
   Exit: (215) [system] peek_char((0x563acd73bee0), b)
^  Call: (215) [user] is_delimiter(b)
   Call: (216) [system] char_type(b, space)
   Fail: (216) [system] char_type(b, space)
   Call: (216) [system] arg(_1258752, v('(', ')', end_of_file), b)
   Fail: (216) [system] arg(_1259684, v('(', ')', end_of_file), b)
^  Fail: (215) [user] is_delimiter(b)
   Call: (215) [system] ')'==b
   Fail: (215) [system] ')'==b
   Call: (215) [system] get_char((0x563acd73bee0), b)
   Exit: (215) [system] get_char((0x563acd73bee0), b)
   Call: (215) [system] b=(\)
   Fail: (215) [system] b=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _1267034)
   Call: (216) [system] peek_char((0x563acd73bee0), _1267968)
   Exit: (216) [system] peek_char((0x563acd73bee0), c)
^  Call: (216) [user] is_delimiter(c)
   Call: (217) [system] char_type(c, space)
   Fail: (217) [system] char_type(c, space)
   Call: (217) [system] arg(_1272688, v('(', ')', end_of_file), c)
   Fail: (217) [system] arg(_1273620, v('(', ')', end_of_file), c)
^  Fail: (216) [user] is_delimiter(c)
   Call: (216) [system] ')'==c
   Fail: (216) [system] ')'==c
   Call: (216) [system] get_char((0x563acd73bee0), c)
   Exit: (216) [system] get_char((0x563acd73bee0), c)
   Call: (216) [system] c=(\)
   Fail: (216) [system] c=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _1280970)
   Call: (217) [system] peek_char((0x563acd73bee0), _1281904)
   Exit: (217) [system] peek_char((0x563acd73bee0), ')')
^  Call: (217) [user] is_delimiter(')')
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] arg(_1286624, v('(', ')', end_of_file), ')')
   Exit: (218) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (217) [user] is_delimiter(')')
   Call: (217) [system] _1280970=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (216) [system] _1267034=[c]
   Exit: (216) [system] [c]=[c]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [c])
   Call: (215) [system] _1253098=[b, c]
   Exit: (215) [system] [b, c]=[b, c]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [b, c])
^  Call: (214) [user] classify_and_convert_charseq([a, b, c], _1217588)
^  Call: (215) [user] classify_and_convert_charseq_([a, b, c], _1298648)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_1299600, _1299602), once(user:catch(read_from_chars([a, b, c], _1298648), _1299582, fail)), '$restore_trace'(_1299600, _1299602))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_1299600, _1299602))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1299582, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(abc)
   Exit: (216) [system] atomic(abc)
^  Exit: (215) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (215) [system] integer(abc)
   Fail: (215) [system] integer(abc)
   Call: (215) [system] _1217588=abc
   Exit: (215) [system] abc=abc
^  Exit: (214) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (213) [user] read_symbolic(')', (0x563acd73bee0), a, abc)
^  Exit: (212) [user] cont_sexpr(')', (0x563acd73bee0), abc)
^  Call: (212) [user] read_list(')', (0x563acd73bee0), _1311728)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1313586)
   Exit: (214) [system] peek_char((0x563acd73bee0), ')')
   Call: (214) [system] ')'=(;)
   Fail: (214) [system] ')'=(;)
   Call: (214) [system] ')'=(/)
   Fail: (214) [system] ')'=(/)
^  Call: (214) [user] is_like_space(')')
   Call: (215) [system] char_type(')', 'white')
   Fail: (215) [system] char_type(')', 'white')
   Call: (215) [system] char_type(')', end_of_line)
   Fail: (215) [system] char_type(')', end_of_line)
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] char_type(')', cntrl)
   Fail: (215) [system] char_type(')', cntrl)
^  Fail: (214) [user] is_like_space(')')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1329596)
   Exit: (213) [system] peek_char((0x563acd73bee0), ')')
   Call: (213) [system] ')'=')'
   Exit: (213) [system] ')'=')'
   Call: (213) [system] get_char((0x563acd73bee0), _1333386)
   Exit: (213) [system] get_char((0x563acd73bee0), ')')
   Call: (213) [system] _1311728=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_list(')', (0x563acd73bee0), [])
   Call: (212) [system] _1180928=[abc]
   Exit: (212) [system] [abc]=[abc]
^  Exit: (211) [user] read_list(')', (0x563acd73bee0), [abc])
   Call: (211) [system] _1085460=[a, abc]
   Exit: (211) [system] [a, abc]=[a, abc]
^  Exit: (210) [user] read_list(')', (0x563acd73bee0), [a, abc])
   Call: (210) [system] _611704=['ConjunctionIntroduction', a, abc]
   Exit: (210) [system] ['ConjunctionIntroduction', a, abc]=['ConjunctionIntroduction', a, abc]
^  Exit: (209) [user] read_list(')', (0x563acd73bee0), ['ConjunctionIntroduction', a, abc])
^  Exit: (208) [user] cont_sexpr(')', (0x563acd73bee0), ['ConjunctionIntroduction', a, abc])
^  Call: (208) [user] read_list(')', (0x563acd73bee0), _1347268)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1349126)
   Exit: (210) [system] peek_char((0x563acd73bee0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x563acd73bee0), _1358720)
   Exit: (210) [system] get_char((0x563acd73bee0), ' ')
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1361424)
   Exit: (211) [system] peek_char((0x563acd73bee0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1378358)
   Exit: (209) [system] peek_char((0x563acd73bee0), '(')
   Call: (209) [system] '('=')'
   Fail: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
   Fail: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x563acd73bee0), _1383928)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1385786)
   Exit: (211) [system] peek_char((0x563acd73bee0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] get_char((0x563acd73bee0), _1401796)
   Exit: (210) [system] get_char((0x563acd73bee0), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x563acd73bee0), _1383928)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1407366)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'A')
   Call: (212) [system] 'A'=(;)
   Fail: (212) [system] 'A'=(;)
   Call: (212) [system] 'A'=(/)
   Fail: (212) [system] 'A'=(/)
^  Call: (212) [user] is_like_space('A')
   Call: (213) [system] char_type('A', 'white')
   Fail: (213) [system] char_type('A', 'white')
   Call: (213) [system] char_type('A', end_of_line)
   Fail: (213) [system] char_type('A', end_of_line)
   Call: (213) [system] char_type('A', space)
   Fail: (213) [system] char_type('A', space)
   Call: (213) [system] char_type('A', cntrl)
   Fail: (213) [system] char_type('A', cntrl)
^  Fail: (212) [user] is_like_space('A')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1423376)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'A')
   Call: (211) [system] 'A'=')'
   Fail: (211) [system] 'A'=')'
   Call: (211) [system] 'A'=end_of_file
   Fail: (211) [system] 'A'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x563acd73bee0), _1428946)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1430804)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'A')
   Call: (213) [system] 'A'=(;)
   Fail: (213) [system] 'A'=(;)
   Call: (213) [system] 'A'=(/)
   Fail: (213) [system] 'A'=(/)
^  Call: (213) [user] is_like_space('A')
   Call: (214) [system] char_type('A', 'white')
   Fail: (214) [system] char_type('A', 'white')
   Call: (214) [system] char_type('A', end_of_line)
   Fail: (214) [system] char_type('A', end_of_line)
   Call: (214) [system] char_type('A', space)
   Fail: (214) [system] char_type('A', space)
   Call: (214) [system] char_type('A', cntrl)
   Fail: (214) [system] char_type('A', cntrl)
^  Fail: (213) [user] is_like_space('A')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] get_char((0x563acd73bee0), _1446814)
   Exit: (212) [system] get_char((0x563acd73bee0), 'A')
   Call: (212) [system] 'A'='('
   Fail: (212) [system] 'A'='('
   Call: (212) [system] 'A'='['
   Fail: (212) [system] 'A'='['
   Call: (212) [system] 'A'='{'
   Fail: (212) [system] 'A'='{'
   Call: (212) [system] 'A'='"'
   Fail: (212) [system] 'A'='"'
   Call: (212) [system] 'A'=!
   Fail: (212) [system] 'A'=!
   Call: (212) [system] 'A'='\''
   Fail: (212) [system] 'A'='\''
   Call: (212) [system] 'A'='`'
   Fail: (212) [system] 'A'='`'
   Call: (212) [system] 'A'=end_of_file
   Fail: (212) [system] 'A'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x563acd73bee0), 'A', _1428946)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _1464456)
   Call: (214) [system] peek_char((0x563acd73bee0), _1465390)
   Exit: (214) [system] peek_char((0x563acd73bee0), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_1470110, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_1471042, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x563acd73bee0), n)
   Exit: (214) [system] get_char((0x563acd73bee0), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _1478392)
   Call: (215) [system] peek_char((0x563acd73bee0), _1479326)
   Exit: (215) [system] peek_char((0x563acd73bee0), d)
^  Call: (215) [user] is_delimiter(d)
   Call: (216) [system] char_type(d, space)
   Fail: (216) [system] char_type(d, space)
   Call: (216) [system] arg(_1484046, v('(', ')', end_of_file), d)
   Fail: (216) [system] arg(_1484978, v('(', ')', end_of_file), d)
^  Fail: (215) [user] is_delimiter(d)
   Call: (215) [system] ')'==d
   Fail: (215) [system] ')'==d
   Call: (215) [system] get_char((0x563acd73bee0), d)
   Exit: (215) [system] get_char((0x563acd73bee0), d)
   Call: (215) [system] d=(\)
   Fail: (215) [system] d=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _1492328)
   Call: (216) [system] peek_char((0x563acd73bee0), _1493262)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (216) [user] is_delimiter('L')
   Call: (217) [system] char_type('L', space)
   Fail: (217) [system] char_type('L', space)
   Call: (217) [system] arg(_1497982, v('(', ')', end_of_file), 'L')
   Fail: (217) [system] arg(_1498914, v('(', ')', end_of_file), 'L')
^  Fail: (216) [user] is_delimiter('L')
   Call: (216) [system] ')'=='L'
   Fail: (216) [system] ')'=='L'
   Call: (216) [system] get_char((0x563acd73bee0), 'L')
   Exit: (216) [system] get_char((0x563acd73bee0), 'L')
   Call: (216) [system] 'L'=(\)
   Fail: (216) [system] 'L'=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _1506264)
   Call: (217) [system] peek_char((0x563acd73bee0), _1507198)
   Exit: (217) [system] peek_char((0x563acd73bee0), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_1511918, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_1512850, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x563acd73bee0), i)
   Exit: (217) [system] get_char((0x563acd73bee0), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _1520200)
   Call: (218) [system] peek_char((0x563acd73bee0), _1521134)
   Exit: (218) [system] peek_char((0x563acd73bee0), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_1525854, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_1526786, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x563acd73bee0), n)
   Exit: (218) [system] get_char((0x563acd73bee0), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _1534136)
   Call: (219) [system] peek_char((0x563acd73bee0), _1535070)
   Exit: (219) [system] peek_char((0x563acd73bee0), k)
^  Call: (219) [user] is_delimiter(k)
   Call: (220) [system] char_type(k, space)
   Fail: (220) [system] char_type(k, space)
   Call: (220) [system] arg(_1539790, v('(', ')', end_of_file), k)
   Fail: (220) [system] arg(_1540722, v('(', ')', end_of_file), k)
^  Fail: (219) [user] is_delimiter(k)
   Call: (219) [system] ')'==k
   Fail: (219) [system] ')'==k
   Call: (219) [system] get_char((0x563acd73bee0), k)
   Exit: (219) [system] get_char((0x563acd73bee0), k)
   Call: (219) [system] k=(\)
   Fail: (219) [system] k=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _1548072)
   Call: (220) [system] peek_char((0x563acd73bee0), _1549006)
   Exit: (220) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _1548072=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (219) [system] _1534136=[k]
   Exit: (219) [system] [k]=[k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (218) [system] _1520200=[n, k]
   Exit: (218) [system] [n, k]=[n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (217) [system] _1506264=[i, n, k]
   Exit: (217) [system] [i, n, k]=[i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (216) [system] _1492328=['L', i, n, k]
   Exit: (216) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (215) [system] _1478392=[d, 'L', i, n, k]
   Exit: (215) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, 'L', i, n, k])
   Call: (214) [system] _1464456=[n, d, 'L', i, n, k]
   Exit: (214) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, d, 'L', i, n, k])
^  Call: (213) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1428946)
^  Call: (214) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1575054)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1576006, _1576008), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1575054), _1575988, fail)), '$restore_trace'(_1576006, _1576008))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1576006, _1576008))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1575054), _1575988, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_1575054)
   Fail: (215) [system] atomic(_1575054)
   Call: (215) [system] atom_chars(_1575054, ['A', n, d, 'L', i, n, k])
   Exit: (215) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (214) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (214) [system] integer('AndLink')
   Fail: (214) [system] integer('AndLink')
   Call: (214) [system] _1428946='AndLink'
   Exit: (214) [system] 'AndLink'='AndLink'
^  Exit: (213) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (212) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'AndLink')
^  Exit: (211) [user] cont_sexpr(')', (0x563acd73bee0), 'AndLink')
^  Call: (211) [user] read_list(')', (0x563acd73bee0), _1590004)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1591862)
   Exit: (213) [system] peek_char((0x563acd73bee0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x563acd73bee0), _1601456)
   Exit: (213) [system] get_char((0x563acd73bee0), ' ')
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1604160)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'B')
   Call: (214) [system] 'B'=(;)
   Fail: (214) [system] 'B'=(;)
   Call: (214) [system] 'B'=(/)
   Fail: (214) [system] 'B'=(/)
^  Call: (214) [user] is_like_space('B')
   Call: (215) [system] char_type('B', 'white')
   Fail: (215) [system] char_type('B', 'white')
   Call: (215) [system] char_type('B', end_of_line)
   Fail: (215) [system] char_type('B', end_of_line)
   Call: (215) [system] char_type('B', space)
   Fail: (215) [system] char_type('B', space)
   Call: (215) [system] char_type('B', cntrl)
   Fail: (215) [system] char_type('B', cntrl)
^  Fail: (214) [user] is_like_space('B')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1621094)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'B')
   Call: (212) [system] 'B'=')'
   Fail: (212) [system] 'B'=')'
   Call: (212) [system] 'B'=end_of_file
   Fail: (212) [system] 'B'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x563acd73bee0), _1626664)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1628522)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'B')
   Call: (214) [system] 'B'=(;)
   Fail: (214) [system] 'B'=(;)
   Call: (214) [system] 'B'=(/)
   Fail: (214) [system] 'B'=(/)
^  Call: (214) [user] is_like_space('B')
   Call: (215) [system] char_type('B', 'white')
   Fail: (215) [system] char_type('B', 'white')
   Call: (215) [system] char_type('B', end_of_line)
   Fail: (215) [system] char_type('B', end_of_line)
   Call: (215) [system] char_type('B', space)
   Fail: (215) [system] char_type('B', space)
   Call: (215) [system] char_type('B', cntrl)
   Fail: (215) [system] char_type('B', cntrl)
^  Fail: (214) [user] is_like_space('B')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] get_char((0x563acd73bee0), _1644532)
   Exit: (213) [system] get_char((0x563acd73bee0), 'B')
   Call: (213) [system] 'B'='('
   Fail: (213) [system] 'B'='('
   Call: (213) [system] 'B'='['
   Fail: (213) [system] 'B'='['
   Call: (213) [system] 'B'='{'
   Fail: (213) [system] 'B'='{'
   Call: (213) [system] 'B'='"'
   Fail: (213) [system] 'B'='"'
   Call: (213) [system] 'B'=!
   Fail: (213) [system] 'B'=!
   Call: (213) [system] 'B'='\''
   Fail: (213) [system] 'B'='\''
   Call: (213) [system] 'B'='`'
   Fail: (213) [system] 'B'='`'
   Call: (213) [system] 'B'=end_of_file
   Fail: (213) [system] 'B'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x563acd73bee0), 'B', _1626664)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _1662174)
   Call: (215) [system] peek_char((0x563acd73bee0), _1663108)
   Exit: (215) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _1662174=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (214) [user] classify_and_convert_charseq(['B'], _1626664)
^  Call: (215) [user] classify_and_convert_charseq_(['B'], _1672392)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_1673344, _1673346), once(user:catch(read_from_chars(['B'], _1672392), _1673326, fail)), '$restore_trace'(_1673344, _1673346))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_1673344, _1673346))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1672392), _1673326, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_1672392)
   Fail: (216) [system] atomic(_1672392)
   Call: (216) [system] atom_chars(_1672392, ['B'])
   Exit: (216) [system] atom_chars('B', ['B'])
^  Exit: (215) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (215) [system] integer('B')
   Fail: (215) [system] integer('B')
   Call: (215) [system] _1626664='B'
   Exit: (215) [system] 'B'='B'
^  Exit: (214) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (213) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (212) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (212) [user] read_list(')', (0x563acd73bee0), _1687342)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1689200)
   Exit: (214) [system] peek_char((0x563acd73bee0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x563acd73bee0), _1698794)
   Exit: (214) [system] get_char((0x563acd73bee0), ' ')
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1701498)
   Exit: (215) [system] peek_char((0x563acd73bee0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1718432)
   Exit: (213) [system] peek_char((0x563acd73bee0), '(')
   Call: (213) [system] '('=')'
   Fail: (213) [system] '('=')'
   Call: (213) [system] '('=end_of_file
   Fail: (213) [system] '('=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x563acd73bee0), _1724002)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1725860)
   Exit: (215) [system] peek_char((0x563acd73bee0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] get_char((0x563acd73bee0), _1741870)
   Exit: (214) [system] get_char((0x563acd73bee0), '(')
   Call: (214) [system] '('='('
   Exit: (214) [system] '('='('
^  Call: (214) [user] read_list(')', (0x563acd73bee0), _1724002)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1747440)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'I')
   Call: (216) [system] 'I'=(;)
   Fail: (216) [system] 'I'=(;)
   Call: (216) [system] 'I'=(/)
   Fail: (216) [system] 'I'=(/)
^  Call: (216) [user] is_like_space('I')
   Call: (217) [system] char_type('I', 'white')
   Fail: (217) [system] char_type('I', 'white')
   Call: (217) [system] char_type('I', end_of_line)
   Fail: (217) [system] char_type('I', end_of_line)
   Call: (217) [system] char_type('I', space)
   Fail: (217) [system] char_type('I', space)
   Call: (217) [system] char_type('I', cntrl)
   Fail: (217) [system] char_type('I', cntrl)
^  Fail: (216) [user] is_like_space('I')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1763450)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'I')
   Call: (215) [system] 'I'=')'
   Fail: (215) [system] 'I'=')'
   Call: (215) [system] 'I'=end_of_file
   Fail: (215) [system] 'I'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x563acd73bee0), _1769020)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1770878)
   Exit: (217) [system] peek_char((0x563acd73bee0), 'I')
   Call: (217) [system] 'I'=(;)
   Fail: (217) [system] 'I'=(;)
   Call: (217) [system] 'I'=(/)
   Fail: (217) [system] 'I'=(/)
^  Call: (217) [user] is_like_space('I')
   Call: (218) [system] char_type('I', 'white')
   Fail: (218) [system] char_type('I', 'white')
   Call: (218) [system] char_type('I', end_of_line)
   Fail: (218) [system] char_type('I', end_of_line)
   Call: (218) [system] char_type('I', space)
   Fail: (218) [system] char_type('I', space)
   Call: (218) [system] char_type('I', cntrl)
   Fail: (218) [system] char_type('I', cntrl)
^  Fail: (217) [user] is_like_space('I')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] get_char((0x563acd73bee0), _1786888)
   Exit: (216) [system] get_char((0x563acd73bee0), 'I')
   Call: (216) [system] 'I'='('
   Fail: (216) [system] 'I'='('
   Call: (216) [system] 'I'='['
   Fail: (216) [system] 'I'='['
   Call: (216) [system] 'I'='{'
   Fail: (216) [system] 'I'='{'
   Call: (216) [system] 'I'='"'
   Fail: (216) [system] 'I'='"'
   Call: (216) [system] 'I'=!
   Fail: (216) [system] 'I'=!
   Call: (216) [system] 'I'='\''
   Fail: (216) [system] 'I'='\''
   Call: (216) [system] 'I'='`'
   Fail: (216) [system] 'I'='`'
   Call: (216) [system] 'I'=end_of_file
   Fail: (216) [system] 'I'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x563acd73bee0), 'I', _1769020)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _1804530)
   Call: (218) [system] peek_char((0x563acd73bee0), _1805464)
   Exit: (218) [system] peek_char((0x563acd73bee0), m)
^  Call: (218) [user] is_delimiter(m)
   Call: (219) [system] char_type(m, space)
   Fail: (219) [system] char_type(m, space)
   Call: (219) [system] arg(_1810184, v('(', ')', end_of_file), m)
   Fail: (219) [system] arg(_1811116, v('(', ')', end_of_file), m)
^  Fail: (218) [user] is_delimiter(m)
   Call: (218) [system] ')'==m
   Fail: (218) [system] ')'==m
   Call: (218) [system] get_char((0x563acd73bee0), m)
   Exit: (218) [system] get_char((0x563acd73bee0), m)
   Call: (218) [system] m=(\)
   Fail: (218) [system] m=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _1818466)
   Call: (219) [system] peek_char((0x563acd73bee0), _1819400)
   Exit: (219) [system] peek_char((0x563acd73bee0), p)
^  Call: (219) [user] is_delimiter(p)
   Call: (220) [system] char_type(p, space)
   Fail: (220) [system] char_type(p, space)
   Call: (220) [system] arg(_1824120, v('(', ')', end_of_file), p)
   Fail: (220) [system] arg(_1825052, v('(', ')', end_of_file), p)
^  Fail: (219) [user] is_delimiter(p)
   Call: (219) [system] ')'==p
   Fail: (219) [system] ')'==p
   Call: (219) [system] get_char((0x563acd73bee0), p)
   Exit: (219) [system] get_char((0x563acd73bee0), p)
   Call: (219) [system] p=(\)
   Fail: (219) [system] p=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _1832402)
   Call: (220) [system] peek_char((0x563acd73bee0), _1833336)
   Exit: (220) [system] peek_char((0x563acd73bee0), l)
^  Call: (220) [user] is_delimiter(l)
   Call: (221) [system] char_type(l, space)
   Fail: (221) [system] char_type(l, space)
   Call: (221) [system] arg(_1838056, v('(', ')', end_of_file), l)
   Fail: (221) [system] arg(_1838988, v('(', ')', end_of_file), l)
^  Fail: (220) [user] is_delimiter(l)
   Call: (220) [system] ')'==l
   Fail: (220) [system] ')'==l
   Call: (220) [system] get_char((0x563acd73bee0), l)
   Exit: (220) [system] get_char((0x563acd73bee0), l)
   Call: (220) [system] l=(\)
   Fail: (220) [system] l=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _1846338)
   Call: (221) [system] peek_char((0x563acd73bee0), _1847272)
   Exit: (221) [system] peek_char((0x563acd73bee0), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_1851992, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_1852924, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x563acd73bee0), i)
   Exit: (221) [system] get_char((0x563acd73bee0), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _1860274)
   Call: (222) [system] peek_char((0x563acd73bee0), _1861208)
   Exit: (222) [system] peek_char((0x563acd73bee0), c)
^  Call: (222) [user] is_delimiter(c)
   Call: (223) [system] char_type(c, space)
   Fail: (223) [system] char_type(c, space)
   Call: (223) [system] arg(_1865928, v('(', ')', end_of_file), c)
   Fail: (223) [system] arg(_1866860, v('(', ')', end_of_file), c)
^  Fail: (222) [user] is_delimiter(c)
   Call: (222) [system] ')'==c
   Fail: (222) [system] ')'==c
   Call: (222) [system] get_char((0x563acd73bee0), c)
   Exit: (222) [system] get_char((0x563acd73bee0), c)
   Call: (222) [system] c=(\)
   Fail: (222) [system] c=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _1874210)
   Call: (223) [system] peek_char((0x563acd73bee0), _1875144)
   Exit: (223) [system] peek_char((0x563acd73bee0), a)
^  Call: (223) [user] is_delimiter(a)
   Call: (224) [system] char_type(a, space)
   Fail: (224) [system] char_type(a, space)
   Call: (224) [system] arg(_1879864, v('(', ')', end_of_file), a)
   Fail: (224) [system] arg(_1880796, v('(', ')', end_of_file), a)
^  Fail: (223) [user] is_delimiter(a)
   Call: (223) [system] ')'==a
   Fail: (223) [system] ')'==a
   Call: (223) [system] get_char((0x563acd73bee0), a)
   Exit: (223) [system] get_char((0x563acd73bee0), a)
   Call: (223) [system] a=(\)
   Fail: (223) [system] a=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _1888146)
   Call: (224) [system] peek_char((0x563acd73bee0), _1889080)
   Exit: (224) [system] peek_char((0x563acd73bee0), t)
^  Call: (224) [user] is_delimiter(t)
   Call: (225) [system] char_type(t, space)
   Fail: (225) [system] char_type(t, space)
   Call: (225) [system] arg(_1893800, v('(', ')', end_of_file), t)
   Fail: (225) [system] arg(_1894732, v('(', ')', end_of_file), t)
^  Fail: (224) [user] is_delimiter(t)
   Call: (224) [system] ')'==t
   Fail: (224) [system] ')'==t
   Call: (224) [system] get_char((0x563acd73bee0), t)
   Exit: (224) [system] get_char((0x563acd73bee0), t)
   Call: (224) [system] t=(\)
   Fail: (224) [system] t=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _1902082)
   Call: (225) [system] peek_char((0x563acd73bee0), _1903016)
   Exit: (225) [system] peek_char((0x563acd73bee0), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_1907736, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_1908668, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x563acd73bee0), i)
   Exit: (225) [system] get_char((0x563acd73bee0), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _1916018)
   Call: (226) [system] peek_char((0x563acd73bee0), _1916952)
   Exit: (226) [system] peek_char((0x563acd73bee0), o)
^  Call: (226) [user] is_delimiter(o)
   Call: (227) [system] char_type(o, space)
   Fail: (227) [system] char_type(o, space)
   Call: (227) [system] arg(_1921672, v('(', ')', end_of_file), o)
   Fail: (227) [system] arg(_1922604, v('(', ')', end_of_file), o)
^  Fail: (226) [user] is_delimiter(o)
   Call: (226) [system] ')'==o
   Fail: (226) [system] ')'==o
   Call: (226) [system] get_char((0x563acd73bee0), o)
   Exit: (226) [system] get_char((0x563acd73bee0), o)
   Call: (226) [system] o=(\)
   Fail: (226) [system] o=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _1929954)
   Call: (227) [system] peek_char((0x563acd73bee0), _1930888)
   Exit: (227) [system] peek_char((0x563acd73bee0), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_1935608, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_1936540, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x563acd73bee0), n)
   Exit: (227) [system] get_char((0x563acd73bee0), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _1943890)
   Call: (228) [system] peek_char((0x563acd73bee0), _1944824)
   Exit: (228) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _1943890=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (227) [system] _1929954=[n]
   Exit: (227) [system] [n]=[n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (226) [system] _1916018=[o, n]
   Exit: (226) [system] [o, n]=[o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (225) [system] _1902082=[i, o, n]
   Exit: (225) [system] [i, o, n]=[i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (224) [system] _1888146=[t, i, o, n]
   Exit: (224) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (223) [system] _1874210=[a, t, i, o, n]
   Exit: (223) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (222) [system] _1860274=[c, a, t, i, o, n]
   Exit: (222) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (221) [system] _1846338=[i, c, a, t, i, o, n]
   Exit: (221) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (220) [system] _1832402=[l, i, c, a, t, i, o, n]
   Exit: (220) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (219) [system] _1818466=[p, l, i, c, a, t, i, o, n]
   Exit: (219) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (218) [system] _1804530=[m, p, l, i, c, a, t, i, o, n]
   Exit: (218) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (217) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1769020)
^  Call: (218) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1982048)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_1983000, _1983002), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1982048), _1982982, fail)), '$restore_trace'(_1983000, _1983002))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_1983000, _1983002))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1982048), _1982982, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_1982048)
   Fail: (219) [system] atomic(_1982048)
   Call: (219) [system] atom_chars(_1982048, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (219) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (218) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (218) [system] integer('Implication')
   Fail: (218) [system] integer('Implication')
   Call: (218) [system] _1769020='Implication'
   Exit: (218) [system] 'Implication'='Implication'
^  Exit: (217) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (216) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (215) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (215) [user] read_list(')', (0x563acd73bee0), _1996998)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1998856)
   Exit: (217) [system] peek_char((0x563acd73bee0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x563acd73bee0), _2008450)
   Exit: (217) [system] get_char((0x563acd73bee0), ' ')
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _2011154)
   Exit: (218) [system] peek_char((0x563acd73bee0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _2028088)
   Exit: (216) [system] peek_char((0x563acd73bee0), '(')
   Call: (216) [system] '('=')'
   Fail: (216) [system] '('=')'
   Call: (216) [system] '('=end_of_file
   Fail: (216) [system] '('=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x563acd73bee0), _2033658)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _2035516)
   Exit: (218) [system] peek_char((0x563acd73bee0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] get_char((0x563acd73bee0), _2051526)
   Exit: (217) [system] get_char((0x563acd73bee0), '(')
   Call: (217) [system] '('='('
   Exit: (217) [system] '('='('
^  Call: (217) [user] read_list(')', (0x563acd73bee0), _2033658)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _2057096)
   Exit: (219) [system] peek_char((0x563acd73bee0), 'A')
   Call: (219) [system] 'A'=(;)
   Fail: (219) [system] 'A'=(;)
   Call: (219) [system] 'A'=(/)
   Fail: (219) [system] 'A'=(/)
^  Call: (219) [user] is_like_space('A')
   Call: (220) [system] char_type('A', 'white')
   Fail: (220) [system] char_type('A', 'white')
   Call: (220) [system] char_type('A', end_of_line)
   Fail: (220) [system] char_type('A', end_of_line)
   Call: (220) [system] char_type('A', space)
   Fail: (220) [system] char_type('A', space)
   Call: (220) [system] char_type('A', cntrl)
   Fail: (220) [system] char_type('A', cntrl)
^  Fail: (219) [user] is_like_space('A')
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _2073106)
   Exit: (218) [system] peek_char((0x563acd73bee0), 'A')
   Call: (218) [system] 'A'=')'
   Fail: (218) [system] 'A'=')'
   Call: (218) [system] 'A'=end_of_file
   Fail: (218) [system] 'A'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x563acd73bee0), _2078676)
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _2080534)
   Exit: (220) [system] peek_char((0x563acd73bee0), 'A')
   Call: (220) [system] 'A'=(;)
   Fail: (220) [system] 'A'=(;)
   Call: (220) [system] 'A'=(/)
   Fail: (220) [system] 'A'=(/)
^  Call: (220) [user] is_like_space('A')
   Call: (221) [system] char_type('A', 'white')
   Fail: (221) [system] char_type('A', 'white')
   Call: (221) [system] char_type('A', end_of_line)
   Fail: (221) [system] char_type('A', end_of_line)
   Call: (221) [system] char_type('A', space)
   Fail: (221) [system] char_type('A', space)
   Call: (221) [system] char_type('A', cntrl)
   Fail: (221) [system] char_type('A', cntrl)
^  Fail: (220) [user] is_like_space('A')
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] get_char((0x563acd73bee0), _4920)
   Exit: (219) [system] get_char((0x563acd73bee0), 'A')
   Call: (219) [system] 'A'='('
   Fail: (219) [system] 'A'='('
   Call: (219) [system] 'A'='['
   Fail: (219) [system] 'A'='['
   Call: (219) [system] 'A'='{'
   Fail: (219) [system] 'A'='{'
   Call: (219) [system] 'A'='"'
   Fail: (219) [system] 'A'='"'
   Call: (219) [system] 'A'=!
   Fail: (219) [system] 'A'=!
   Call: (219) [system] 'A'='\''
   Fail: (219) [system] 'A'='\''
   Call: (219) [system] 'A'='`'
   Fail: (219) [system] 'A'='`'
   Call: (219) [system] 'A'=end_of_file
   Fail: (219) [system] 'A'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x563acd73bee0), 'A', _4916)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _22304)
   Call: (221) [system] peek_char((0x563acd73bee0), _23238)
   Exit: (221) [system] peek_char((0x563acd73bee0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_27958, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_28890, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x563acd73bee0), n)
   Exit: (221) [system] get_char((0x563acd73bee0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _36240)
   Call: (222) [system] peek_char((0x563acd73bee0), _37174)
   Exit: (222) [system] peek_char((0x563acd73bee0), d)
^  Call: (222) [user] is_delimiter(d)
   Call: (223) [system] char_type(d, space)
   Fail: (223) [system] char_type(d, space)
   Call: (223) [system] arg(_41894, v('(', ')', end_of_file), d)
   Fail: (223) [system] arg(_42826, v('(', ')', end_of_file), d)
^  Fail: (222) [user] is_delimiter(d)
   Call: (222) [system] ')'==d
   Fail: (222) [system] ')'==d
   Call: (222) [system] get_char((0x563acd73bee0), d)
   Exit: (222) [system] get_char((0x563acd73bee0), d)
   Call: (222) [system] d=(\)
   Fail: (222) [system] d=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _50176)
   Call: (223) [system] peek_char((0x563acd73bee0), _51110)
   Exit: (223) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (223) [user] is_delimiter('L')
   Call: (224) [system] char_type('L', space)
   Fail: (224) [system] char_type('L', space)
   Call: (224) [system] arg(_55830, v('(', ')', end_of_file), 'L')
   Fail: (224) [system] arg(_56762, v('(', ')', end_of_file), 'L')
^  Fail: (223) [user] is_delimiter('L')
   Call: (223) [system] ')'=='L'
   Fail: (223) [system] ')'=='L'
   Call: (223) [system] get_char((0x563acd73bee0), 'L')
   Exit: (223) [system] get_char((0x563acd73bee0), 'L')
   Call: (223) [system] 'L'=(\)
   Fail: (223) [system] 'L'=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _64112)
   Call: (224) [system] peek_char((0x563acd73bee0), _65046)
   Exit: (224) [system] peek_char((0x563acd73bee0), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Fail: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_69766, v('(', ')', end_of_file), i)
   Fail: (225) [system] arg(_70698, v('(', ')', end_of_file), i)
^  Fail: (224) [user] is_delimiter(i)
   Call: (224) [system] ')'==i
   Fail: (224) [system] ')'==i
   Call: (224) [system] get_char((0x563acd73bee0), i)
   Exit: (224) [system] get_char((0x563acd73bee0), i)
   Call: (224) [system] i=(\)
   Fail: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _78048)
   Call: (225) [system] peek_char((0x563acd73bee0), _78982)
   Exit: (225) [system] peek_char((0x563acd73bee0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_83702, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_84634, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x563acd73bee0), n)
   Exit: (225) [system] get_char((0x563acd73bee0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _91984)
   Call: (226) [system] peek_char((0x563acd73bee0), _92918)
   Exit: (226) [system] peek_char((0x563acd73bee0), k)
^  Call: (226) [user] is_delimiter(k)
   Call: (227) [system] char_type(k, space)
   Fail: (227) [system] char_type(k, space)
   Call: (227) [system] arg(_97638, v('(', ')', end_of_file), k)
   Fail: (227) [system] arg(_98570, v('(', ')', end_of_file), k)
^  Fail: (226) [user] is_delimiter(k)
   Call: (226) [system] ')'==k
   Fail: (226) [system] ')'==k
   Call: (226) [system] get_char((0x563acd73bee0), k)
   Exit: (226) [system] get_char((0x563acd73bee0), k)
   Call: (226) [system] k=(\)
   Fail: (226) [system] k=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _105920)
   Call: (227) [system] peek_char((0x563acd73bee0), _106854)
   Exit: (227) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _105920=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (226) [system] _91984=[k]
   Exit: (226) [system] [k]=[k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (225) [system] _78048=[n, k]
   Exit: (225) [system] [n, k]=[n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (224) [system] _64112=[i, n, k]
   Exit: (224) [system] [i, n, k]=[i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (223) [system] _50176=['L', i, n, k]
   Exit: (223) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (222) [system] _36240=[d, 'L', i, n, k]
   Exit: (222) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, 'L', i, n, k])
   Call: (221) [system] _22304=[n, d, 'L', i, n, k]
   Exit: (221) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, d, 'L', i, n, k])
^  Call: (220) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _4916)
^  Call: (221) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _132902)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_133854, _133856), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _132902), _133836, fail)), '$restore_trace'(_133854, _133856))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_133854, _133856))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _132902), _133836, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_132902)
   Fail: (222) [system] atomic(_132902)
   Call: (222) [system] atom_chars(_132902, ['A', n, d, 'L', i, n, k])
   Exit: (222) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (221) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (221) [system] integer('AndLink')
   Fail: (221) [system] integer('AndLink')
   Call: (221) [system] _4916='AndLink'
   Exit: (221) [system] 'AndLink'='AndLink'
^  Exit: (220) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (219) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'AndLink')
^  Exit: (218) [user] cont_sexpr(')', (0x563acd73bee0), 'AndLink')
^  Call: (218) [user] read_list(')', (0x563acd73bee0), _147852)
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _149710)
   Exit: (220) [system] peek_char((0x563acd73bee0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x563acd73bee0), _159304)
   Exit: (220) [system] get_char((0x563acd73bee0), ' ')
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _162008)
   Exit: (221) [system] peek_char((0x563acd73bee0), 'A')
   Call: (221) [system] 'A'=(;)
   Fail: (221) [system] 'A'=(;)
   Call: (221) [system] 'A'=(/)
   Fail: (221) [system] 'A'=(/)
^  Call: (221) [user] is_like_space('A')
   Call: (222) [system] char_type('A', 'white')
   Fail: (222) [system] char_type('A', 'white')
   Call: (222) [system] char_type('A', end_of_line)
   Fail: (222) [system] char_type('A', end_of_line)
   Call: (222) [system] char_type('A', space)
   Fail: (222) [system] char_type('A', space)
   Call: (222) [system] char_type('A', cntrl)
   Fail: (222) [system] char_type('A', cntrl)
^  Fail: (221) [user] is_like_space('A')
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _178942)
   Exit: (219) [system] peek_char((0x563acd73bee0), 'A')
   Call: (219) [system] 'A'=')'
   Fail: (219) [system] 'A'=')'
   Call: (219) [system] 'A'=end_of_file
   Fail: (219) [system] 'A'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x563acd73bee0), _184512)
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _186370)
   Exit: (221) [system] peek_char((0x563acd73bee0), 'A')
   Call: (221) [system] 'A'=(;)
   Fail: (221) [system] 'A'=(;)
   Call: (221) [system] 'A'=(/)
   Fail: (221) [system] 'A'=(/)
^  Call: (221) [user] is_like_space('A')
   Call: (222) [system] char_type('A', 'white')
   Fail: (222) [system] char_type('A', 'white')
   Call: (222) [system] char_type('A', end_of_line)
   Fail: (222) [system] char_type('A', end_of_line)
   Call: (222) [system] char_type('A', space)
   Fail: (222) [system] char_type('A', space)
   Call: (222) [system] char_type('A', cntrl)
   Fail: (222) [system] char_type('A', cntrl)
^  Fail: (221) [user] is_like_space('A')
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] get_char((0x563acd73bee0), _202380)
   Exit: (220) [system] get_char((0x563acd73bee0), 'A')
   Call: (220) [system] 'A'='('
   Fail: (220) [system] 'A'='('
   Call: (220) [system] 'A'='['
   Fail: (220) [system] 'A'='['
   Call: (220) [system] 'A'='{'
   Fail: (220) [system] 'A'='{'
   Call: (220) [system] 'A'='"'
   Fail: (220) [system] 'A'='"'
   Call: (220) [system] 'A'=!
   Fail: (220) [system] 'A'=!
   Call: (220) [system] 'A'='\''
   Fail: (220) [system] 'A'='\''
   Call: (220) [system] 'A'='`'
   Fail: (220) [system] 'A'='`'
   Call: (220) [system] 'A'=end_of_file
   Fail: (220) [system] 'A'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x563acd73bee0), 'A', _184512)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _220022)
   Call: (222) [system] peek_char((0x563acd73bee0), _220956)
   Exit: (222) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _220022=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (221) [user] classify_and_convert_charseq(['A'], _184512)
^  Call: (222) [user] classify_and_convert_charseq_(['A'], _230240)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_231192, _231194), once(user:catch(read_from_chars(['A'], _230240), _231174, fail)), '$restore_trace'(_231192, _231194))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_231192, _231194))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _230240), _231174, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_230240)
   Fail: (223) [system] atomic(_230240)
   Call: (223) [system] atom_chars(_230240, ['A'])
   Exit: (223) [system] atom_chars('A', ['A'])
^  Exit: (222) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (222) [system] integer('A')
   Fail: (222) [system] integer('A')
   Call: (222) [system] _184512='A'
   Exit: (222) [system] 'A'='A'
^  Exit: (221) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (220) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (219) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (219) [user] read_list(')', (0x563acd73bee0), _245190)
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _247048)
   Exit: (221) [system] peek_char((0x563acd73bee0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x563acd73bee0), _256642)
   Exit: (221) [system] get_char((0x563acd73bee0), ' ')
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _259346)
   Exit: (222) [system] peek_char((0x563acd73bee0), 'B')
   Call: (222) [system] 'B'=(;)
   Fail: (222) [system] 'B'=(;)
   Call: (222) [system] 'B'=(/)
   Fail: (222) [system] 'B'=(/)
^  Call: (222) [user] is_like_space('B')
   Call: (223) [system] char_type('B', 'white')
   Fail: (223) [system] char_type('B', 'white')
   Call: (223) [system] char_type('B', end_of_line)
   Fail: (223) [system] char_type('B', end_of_line)
   Call: (223) [system] char_type('B', space)
   Fail: (223) [system] char_type('B', space)
   Call: (223) [system] char_type('B', cntrl)
   Fail: (223) [system] char_type('B', cntrl)
^  Fail: (222) [user] is_like_space('B')
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _276280)
   Exit: (220) [system] peek_char((0x563acd73bee0), 'B')
   Call: (220) [system] 'B'=')'
   Fail: (220) [system] 'B'=')'
   Call: (220) [system] 'B'=end_of_file
   Fail: (220) [system] 'B'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x563acd73bee0), _281850)
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _283708)
   Exit: (222) [system] peek_char((0x563acd73bee0), 'B')
   Call: (222) [system] 'B'=(;)
   Fail: (222) [system] 'B'=(;)
   Call: (222) [system] 'B'=(/)
   Fail: (222) [system] 'B'=(/)
^  Call: (222) [user] is_like_space('B')
   Call: (223) [system] char_type('B', 'white')
   Fail: (223) [system] char_type('B', 'white')
   Call: (223) [system] char_type('B', end_of_line)
   Fail: (223) [system] char_type('B', end_of_line)
   Call: (223) [system] char_type('B', space)
   Fail: (223) [system] char_type('B', space)
   Call: (223) [system] char_type('B', cntrl)
   Fail: (223) [system] char_type('B', cntrl)
^  Fail: (222) [user] is_like_space('B')
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] get_char((0x563acd73bee0), _299718)
   Exit: (221) [system] get_char((0x563acd73bee0), 'B')
   Call: (221) [system] 'B'='('
   Fail: (221) [system] 'B'='('
   Call: (221) [system] 'B'='['
   Fail: (221) [system] 'B'='['
   Call: (221) [system] 'B'='{'
   Fail: (221) [system] 'B'='{'
   Call: (221) [system] 'B'='"'
   Fail: (221) [system] 'B'='"'
   Call: (221) [system] 'B'=!
   Fail: (221) [system] 'B'=!
   Call: (221) [system] 'B'='\''
   Fail: (221) [system] 'B'='\''
   Call: (221) [system] 'B'='`'
   Fail: (221) [system] 'B'='`'
   Call: (221) [system] 'B'=end_of_file
   Fail: (221) [system] 'B'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x563acd73bee0), 'B', _281850)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _317360)
   Call: (223) [system] peek_char((0x563acd73bee0), _318294)
   Exit: (223) [system] peek_char((0x563acd73bee0), ')')
^  Call: (223) [user] is_delimiter(')')
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] arg(_323014, v('(', ')', end_of_file), ')')
   Exit: (224) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (223) [user] is_delimiter(')')
   Call: (223) [system] _317360=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (222) [user] classify_and_convert_charseq(['B'], _281850)
^  Call: (223) [user] classify_and_convert_charseq_(['B'], _329450)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_330402, _330404), once(user:catch(read_from_chars(['B'], _329450), _330384, fail)), '$restore_trace'(_330402, _330404))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_330402, _330404))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _329450), _330384, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_329450)
   Fail: (224) [system] atomic(_329450)
   Call: (224) [system] atom_chars(_329450, ['B'])
   Exit: (224) [system] atom_chars('B', ['B'])
^  Exit: (223) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (223) [system] integer('B')
   Fail: (223) [system] integer('B')
   Call: (223) [system] _281850='B'
   Exit: (223) [system] 'B'='B'
^  Exit: (222) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (221) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (220) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (220) [user] read_list(')', (0x563acd73bee0), _344400)
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _346258)
   Exit: (222) [system] peek_char((0x563acd73bee0), ')')
   Call: (222) [system] ')'=(;)
   Fail: (222) [system] ')'=(;)
   Call: (222) [system] ')'=(/)
   Fail: (222) [system] ')'=(/)
^  Call: (222) [user] is_like_space(')')
   Call: (223) [system] char_type(')', 'white')
   Fail: (223) [system] char_type(')', 'white')
   Call: (223) [system] char_type(')', end_of_line)
   Fail: (223) [system] char_type(')', end_of_line)
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] char_type(')', cntrl)
   Fail: (223) [system] char_type(')', cntrl)
^  Fail: (222) [user] is_like_space(')')
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _362268)
   Exit: (221) [system] peek_char((0x563acd73bee0), ')')
   Call: (221) [system] ')'=')'
   Exit: (221) [system] ')'=')'
   Call: (221) [system] get_char((0x563acd73bee0), _366058)
   Exit: (221) [system] get_char((0x563acd73bee0), ')')
   Call: (221) [system] _344400=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_list(')', (0x563acd73bee0), [])
   Call: (220) [system] _245190=['B']
   Exit: (220) [system] ['B']=['B']
^  Exit: (219) [user] read_list(')', (0x563acd73bee0), ['B'])
   Call: (219) [system] _147852=['A', 'B']
   Exit: (219) [system] ['A', 'B']=['A', 'B']
^  Exit: (218) [user] read_list(')', (0x563acd73bee0), ['A', 'B'])
   Call: (218) [system] _4910=['AndLink', 'A', 'B']
   Exit: (218) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (217) [user] read_list(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Exit: (216) [user] cont_sexpr(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Call: (216) [user] read_list(')', (0x563acd73bee0), _379940)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _381798)
   Exit: (218) [system] peek_char((0x563acd73bee0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x563acd73bee0), _391392)
   Exit: (218) [system] get_char((0x563acd73bee0), ' ')
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _394096)
   Exit: (219) [system] peek_char((0x563acd73bee0), 'C')
   Call: (219) [system] 'C'=(;)
   Fail: (219) [system] 'C'=(;)
   Call: (219) [system] 'C'=(/)
   Fail: (219) [system] 'C'=(/)
^  Call: (219) [user] is_like_space('C')
   Call: (220) [system] char_type('C', 'white')
   Fail: (220) [system] char_type('C', 'white')
   Call: (220) [system] char_type('C', end_of_line)
   Fail: (220) [system] char_type('C', end_of_line)
   Call: (220) [system] char_type('C', space)
   Fail: (220) [system] char_type('C', space)
   Call: (220) [system] char_type('C', cntrl)
   Fail: (220) [system] char_type('C', cntrl)
^  Fail: (219) [user] is_like_space('C')
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _411030)
   Exit: (217) [system] peek_char((0x563acd73bee0), 'C')
   Call: (217) [system] 'C'=')'
   Fail: (217) [system] 'C'=')'
   Call: (217) [system] 'C'=end_of_file
   Fail: (217) [system] 'C'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x563acd73bee0), _416600)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _418458)
   Exit: (219) [system] peek_char((0x563acd73bee0), 'C')
   Call: (219) [system] 'C'=(;)
   Fail: (219) [system] 'C'=(;)
   Call: (219) [system] 'C'=(/)
   Fail: (219) [system] 'C'=(/)
^  Call: (219) [user] is_like_space('C')
   Call: (220) [system] char_type('C', 'white')
   Fail: (220) [system] char_type('C', 'white')
   Call: (220) [system] char_type('C', end_of_line)
   Fail: (220) [system] char_type('C', end_of_line)
   Call: (220) [system] char_type('C', space)
   Fail: (220) [system] char_type('C', space)
   Call: (220) [system] char_type('C', cntrl)
   Fail: (220) [system] char_type('C', cntrl)
^  Fail: (219) [user] is_like_space('C')
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] get_char((0x563acd73bee0), _434468)
   Exit: (218) [system] get_char((0x563acd73bee0), 'C')
   Call: (218) [system] 'C'='('
   Fail: (218) [system] 'C'='('
   Call: (218) [system] 'C'='['
   Fail: (218) [system] 'C'='['
   Call: (218) [system] 'C'='{'
   Fail: (218) [system] 'C'='{'
   Call: (218) [system] 'C'='"'
   Fail: (218) [system] 'C'='"'
   Call: (218) [system] 'C'=!
   Fail: (218) [system] 'C'=!
   Call: (218) [system] 'C'='\''
   Fail: (218) [system] 'C'='\''
   Call: (218) [system] 'C'='`'
   Fail: (218) [system] 'C'='`'
   Call: (218) [system] 'C'=end_of_file
   Fail: (218) [system] 'C'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x563acd73bee0), 'C', _416600)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _452110)
   Call: (220) [system] peek_char((0x563acd73bee0), _453044)
   Exit: (220) [system] peek_char((0x563acd73bee0), ')')
^  Call: (220) [user] is_delimiter(')')
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] arg(_457764, v('(', ')', end_of_file), ')')
   Exit: (221) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (220) [user] is_delimiter(')')
   Call: (220) [system] _452110=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (219) [user] classify_and_convert_charseq(['C'], _416600)
^  Call: (220) [user] classify_and_convert_charseq_(['C'], _464200)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_465152, _465154), once(user:catch(read_from_chars(['C'], _464200), _465134, fail)), '$restore_trace'(_465152, _465154))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_465152, _465154))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _464200), _465134, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_464200)
   Fail: (221) [system] atomic(_464200)
   Call: (221) [system] atom_chars(_464200, ['C'])
   Exit: (221) [system] atom_chars('C', ['C'])
^  Exit: (220) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (220) [system] integer('C')
   Fail: (220) [system] integer('C')
   Call: (220) [system] _416600='C'
   Exit: (220) [system] 'C'='C'
^  Exit: (219) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (218) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (217) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (217) [user] read_list(')', (0x563acd73bee0), _479150)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _481008)
   Exit: (219) [system] peek_char((0x563acd73bee0), ')')
   Call: (219) [system] ')'=(;)
   Fail: (219) [system] ')'=(;)
   Call: (219) [system] ')'=(/)
   Fail: (219) [system] ')'=(/)
^  Call: (219) [user] is_like_space(')')
   Call: (220) [system] char_type(')', 'white')
   Fail: (220) [system] char_type(')', 'white')
   Call: (220) [system] char_type(')', end_of_line)
   Fail: (220) [system] char_type(')', end_of_line)
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] char_type(')', cntrl)
   Fail: (220) [system] char_type(')', cntrl)
^  Fail: (219) [user] is_like_space(')')
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _497018)
   Exit: (218) [system] peek_char((0x563acd73bee0), ')')
   Call: (218) [system] ')'=')'
   Exit: (218) [system] ')'=')'
   Call: (218) [system] get_char((0x563acd73bee0), _500808)
   Exit: (218) [system] get_char((0x563acd73bee0), ')')
   Call: (218) [system] _479150=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_list(')', (0x563acd73bee0), [])
   Call: (217) [system] _379940=['C']
   Exit: (217) [system] ['C']=['C']
^  Exit: (216) [user] read_list(')', (0x563acd73bee0), ['C'])
   Call: (216) [system] _4906=[['AndLink', 'A', 'B'], 'C']
   Exit: (216) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (215) [user] read_list(')', (0x563acd73bee0), [['AndLink', 'A', 'B'], 'C'])
   Call: (215) [system] _4898=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (215) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (214) [user] read_list(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (213) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (213) [user] read_list(')', (0x563acd73bee0), _514690)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _516548)
   Exit: (215) [system] peek_char((0x563acd73bee0), ')')
   Call: (215) [system] ')'=(;)
   Fail: (215) [system] ')'=(;)
   Call: (215) [system] ')'=(/)
   Fail: (215) [system] ')'=(/)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Fail: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Fail: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
   Fail: (216) [system] char_type(')', cntrl)
^  Fail: (215) [user] is_like_space(')')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _532558)
   Exit: (214) [system] peek_char((0x563acd73bee0), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x563acd73bee0), _536348)
   Exit: (214) [system] get_char((0x563acd73bee0), ')')
   Call: (214) [system] _514690=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x563acd73bee0), [])
   Call: (213) [system] _4894=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (213) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (212) [user] read_list(')', (0x563acd73bee0), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (212) [system] _4888=['B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (212) [system] ['B', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (211) [user] read_list(')', (0x563acd73bee0), ['B', ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (211) [system] _4880=['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (211) [system] ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (210) [user] read_list(')', (0x563acd73bee0), ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (209) [user] cont_sexpr(')', (0x563acd73bee0), ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (209) [user] read_list(')', (0x563acd73bee0), _550230)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _552088)
   Exit: (211) [system] peek_char((0x563acd73bee0), ')')
   Call: (211) [system] ')'=(;)
   Fail: (211) [system] ')'=(;)
   Call: (211) [system] ')'=(/)
   Fail: (211) [system] ')'=(/)
^  Call: (211) [user] is_like_space(')')
   Call: (212) [system] char_type(')', 'white')
   Fail: (212) [system] char_type(')', 'white')
   Call: (212) [system] char_type(')', end_of_line)
   Fail: (212) [system] char_type(')', end_of_line)
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] char_type(')', cntrl)
   Fail: (212) [system] char_type(')', cntrl)
^  Fail: (211) [user] is_like_space(')')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _568098)
   Exit: (210) [system] peek_char((0x563acd73bee0), ')')
   Call: (210) [system] ')'=')'
   Exit: (210) [system] ')'=')'
   Call: (210) [system] get_char((0x563acd73bee0), _571888)
   Exit: (210) [system] get_char((0x563acd73bee0), ')')
   Call: (210) [system] _550230=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_list(')', (0x563acd73bee0), [])
   Call: (209) [system] _4876=[['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (209) [system] [['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (208) [user] read_list(')', (0x563acd73bee0), [['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (208) [system] _4852=[['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (208) [system] [['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (207) [user] read_list(')', (0x563acd73bee0), [['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (207) [system] _4844=[:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (207) [system] [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (206) [user] read_list(')', (0x563acd73bee0), [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (205) [user] cont_sexpr(')', (0x563acd73bee0), [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (205) [user] read_list(')', (0x563acd73bee0), _585770)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _587628)
   Exit: (207) [system] peek_char((0x563acd73bee0), '\n')
   Call: (207) [system] '\n'=(;)
   Fail: (207) [system] '\n'=(;)
   Call: (207) [system] '\n'=(/)
   Fail: (207) [system] '\n'=(/)
^  Call: (207) [user] is_like_space('\n')
   Call: (208) [system] char_type('\n', 'white')
   Fail: (208) [system] char_type('\n', 'white')
   Call: (208) [system] char_type('\n', end_of_line)
   Exit: (208) [system] char_type('\n', end_of_line)
^  Exit: (207) [user] is_like_space('\n')
   Call: (207) [system] get_char((0x563acd73bee0), _599078)
   Exit: (207) [system] get_char((0x563acd73bee0), '\n')
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _601782)
   Exit: (208) [system] peek_char((0x563acd73bee0), '\t')
   Call: (208) [system] '\t'=(;)
   Fail: (208) [system] '\t'=(;)
   Call: (208) [system] '\t'=(/)
   Fail: (208) [system] '\t'=(/)
^  Call: (208) [user] is_like_space('\t')
   Call: (209) [system] char_type('\t', 'white')
   Exit: (209) [system] char_type('\t', 'white')
^  Exit: (208) [user] is_like_space('\t')
   Call: (208) [system] get_char((0x563acd73bee0), _611376)
   Exit: (208) [system] get_char((0x563acd73bee0), '\t')
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _614080)
   Exit: (209) [system] peek_char((0x563acd73bee0), '\t')
   Call: (209) [system] '\t'=(;)
   Fail: (209) [system] '\t'=(;)
   Call: (209) [system] '\t'=(/)
   Fail: (209) [system] '\t'=(/)
^  Call: (209) [user] is_like_space('\t')
   Call: (210) [system] char_type('\t', 'white')
   Exit: (210) [system] char_type('\t', 'white')
^  Exit: (209) [user] is_like_space('\t')
   Call: (209) [system] get_char((0x563acd73bee0), _623674)
   Exit: (209) [system] get_char((0x563acd73bee0), '\t')
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _626378)
   Exit: (210) [system] peek_char((0x563acd73bee0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x563acd73bee0), _635972)
   Exit: (210) [system] get_char((0x563acd73bee0), ' ')
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _638676)
   Exit: (211) [system] peek_char((0x563acd73bee0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _658382)
   Exit: (206) [system] peek_char((0x563acd73bee0), '(')
   Call: (206) [system] '('=')'
   Fail: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
   Fail: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x563acd73bee0), _663952)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _665810)
   Exit: (208) [system] peek_char((0x563acd73bee0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] get_char((0x563acd73bee0), _681820)
   Exit: (207) [system] get_char((0x563acd73bee0), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x563acd73bee0), _663952)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _687390)
   Exit: (209) [system] peek_char((0x563acd73bee0), :)
   Call: (209) [system] (:)=(;)
   Fail: (209) [system] (:)=(;)
   Call: (209) [system] (:)=(/)
   Fail: (209) [system] (:)=(/)
^  Call: (209) [user] is_like_space(:)
   Call: (210) [system] char_type(:, 'white')
   Fail: (210) [system] char_type(:, 'white')
   Call: (210) [system] char_type(:, end_of_line)
   Fail: (210) [system] char_type(:, end_of_line)
   Call: (210) [system] char_type(:, space)
   Fail: (210) [system] char_type(:, space)
   Call: (210) [system] char_type(:, cntrl)
   Fail: (210) [system] char_type(:, cntrl)
^  Fail: (209) [user] is_like_space(:)
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _703400)
   Exit: (208) [system] peek_char((0x563acd73bee0), :)
   Call: (208) [system] (:)=')'
   Fail: (208) [system] (:)=')'
   Call: (208) [system] (:)=end_of_file
   Fail: (208) [system] (:)=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x563acd73bee0), _708970)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _710828)
   Exit: (210) [system] peek_char((0x563acd73bee0), :)
   Call: (210) [system] (:)=(;)
   Fail: (210) [system] (:)=(;)
   Call: (210) [system] (:)=(/)
   Fail: (210) [system] (:)=(/)
^  Call: (210) [user] is_like_space(:)
   Call: (211) [system] char_type(:, 'white')
   Fail: (211) [system] char_type(:, 'white')
   Call: (211) [system] char_type(:, end_of_line)
   Fail: (211) [system] char_type(:, end_of_line)
   Call: (211) [system] char_type(:, space)
   Fail: (211) [system] char_type(:, space)
   Call: (211) [system] char_type(:, cntrl)
   Fail: (211) [system] char_type(:, cntrl)
^  Fail: (210) [user] is_like_space(:)
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] get_char((0x563acd73bee0), _726838)
   Exit: (209) [system] get_char((0x563acd73bee0), :)
   Call: (209) [system] (:)='('
   Fail: (209) [system] (:)='('
   Call: (209) [system] (:)='['
   Fail: (209) [system] (:)='['
   Call: (209) [system] (:)='{'
   Fail: (209) [system] (:)='{'
   Call: (209) [system] (:)='"'
   Fail: (209) [system] (:)='"'
   Call: (209) [system] (:)=!
   Fail: (209) [system] (:)=!
   Call: (209) [system] (:)='\''
   Fail: (209) [system] (:)='\''
   Call: (209) [system] (:)='`'
   Fail: (209) [system] (:)='`'
   Call: (209) [system] (:)=end_of_file
   Fail: (209) [system] (:)=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x563acd73bee0), :, _708970)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _744480)
   Call: (211) [system] peek_char((0x563acd73bee0), _745414)
   Exit: (211) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _744480=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (210) [user] classify_and_convert_charseq([:], _708970)
^  Call: (211) [user] classify_and_convert_charseq_([:], _754698)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_755650, _755652), once(user:catch(read_from_chars([:], _754698), _755632, fail)), '$restore_trace'(_755650, _755652))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_755650, _755652))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _755632, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(:)
   Exit: (212) [system] atomic(:)
^  Exit: (211) [user] classify_and_convert_charseq_([:], :)
   Call: (211) [system] integer(:)
   Fail: (211) [system] integer(:)
   Call: (211) [system] _708970=(:)
   Exit: (211) [system] (:)=(:)
^  Exit: (210) [user] classify_and_convert_charseq([:], :)
^  Exit: (209) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (208) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (208) [user] read_list(')', (0x563acd73bee0), _767778)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _769636)
   Exit: (210) [system] peek_char((0x563acd73bee0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x563acd73bee0), _779230)
   Exit: (210) [system] get_char((0x563acd73bee0), ' ')
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _781934)
   Exit: (211) [system] peek_char((0x563acd73bee0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _798868)
   Exit: (209) [system] peek_char((0x563acd73bee0), '(')
   Call: (209) [system] '('=')'
   Fail: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
   Fail: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x563acd73bee0), _804438)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _806296)
   Exit: (211) [system] peek_char((0x563acd73bee0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] get_char((0x563acd73bee0), _822306)
   Exit: (210) [system] get_char((0x563acd73bee0), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x563acd73bee0), _804438)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _827876)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'C')
   Call: (212) [system] 'C'=(;)
   Fail: (212) [system] 'C'=(;)
   Call: (212) [system] 'C'=(/)
   Fail: (212) [system] 'C'=(/)
^  Call: (212) [user] is_like_space('C')
   Call: (213) [system] char_type('C', 'white')
   Fail: (213) [system] char_type('C', 'white')
   Call: (213) [system] char_type('C', end_of_line)
   Fail: (213) [system] char_type('C', end_of_line)
   Call: (213) [system] char_type('C', space)
   Fail: (213) [system] char_type('C', space)
   Call: (213) [system] char_type('C', cntrl)
   Fail: (213) [system] char_type('C', cntrl)
^  Fail: (212) [user] is_like_space('C')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _843886)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'C')
   Call: (211) [system] 'C'=')'
   Fail: (211) [system] 'C'=')'
   Call: (211) [system] 'C'=end_of_file
   Fail: (211) [system] 'C'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x563acd73bee0), _849456)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _851314)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'C')
   Call: (213) [system] 'C'=(;)
   Fail: (213) [system] 'C'=(;)
   Call: (213) [system] 'C'=(/)
   Fail: (213) [system] 'C'=(/)
^  Call: (213) [user] is_like_space('C')
   Call: (214) [system] char_type('C', 'white')
   Fail: (214) [system] char_type('C', 'white')
   Call: (214) [system] char_type('C', end_of_line)
   Fail: (214) [system] char_type('C', end_of_line)
   Call: (214) [system] char_type('C', space)
   Fail: (214) [system] char_type('C', space)
   Call: (214) [system] char_type('C', cntrl)
   Fail: (214) [system] char_type('C', cntrl)
^  Fail: (213) [user] is_like_space('C')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] get_char((0x563acd73bee0), _867324)
   Exit: (212) [system] get_char((0x563acd73bee0), 'C')
   Call: (212) [system] 'C'='('
   Fail: (212) [system] 'C'='('
   Call: (212) [system] 'C'='['
   Fail: (212) [system] 'C'='['
   Call: (212) [system] 'C'='{'
   Fail: (212) [system] 'C'='{'
   Call: (212) [system] 'C'='"'
   Fail: (212) [system] 'C'='"'
   Call: (212) [system] 'C'=!
   Fail: (212) [system] 'C'=!
   Call: (212) [system] 'C'='\''
   Fail: (212) [system] 'C'='\''
   Call: (212) [system] 'C'='`'
   Fail: (212) [system] 'C'='`'
   Call: (212) [system] 'C'=end_of_file
   Fail: (212) [system] 'C'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x563acd73bee0), 'C', _849456)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _884966)
   Call: (214) [system] peek_char((0x563acd73bee0), _885900)
   Exit: (214) [system] peek_char((0x563acd73bee0), o)
^  Call: (214) [user] is_delimiter(o)
   Call: (215) [system] char_type(o, space)
   Fail: (215) [system] char_type(o, space)
   Call: (215) [system] arg(_890620, v('(', ')', end_of_file), o)
   Fail: (215) [system] arg(_891552, v('(', ')', end_of_file), o)
^  Fail: (214) [user] is_delimiter(o)
   Call: (214) [system] ')'==o
   Fail: (214) [system] ')'==o
   Call: (214) [system] get_char((0x563acd73bee0), o)
   Exit: (214) [system] get_char((0x563acd73bee0), o)
   Call: (214) [system] o=(\)
   Fail: (214) [system] o=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _898902)
   Call: (215) [system] peek_char((0x563acd73bee0), _899836)
   Exit: (215) [system] peek_char((0x563acd73bee0), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_904556, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_905488, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x563acd73bee0), n)
   Exit: (215) [system] get_char((0x563acd73bee0), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _912838)
   Call: (216) [system] peek_char((0x563acd73bee0), _913772)
   Exit: (216) [system] peek_char((0x563acd73bee0), j)
^  Call: (216) [user] is_delimiter(j)
   Call: (217) [system] char_type(j, space)
   Fail: (217) [system] char_type(j, space)
   Call: (217) [system] arg(_918492, v('(', ')', end_of_file), j)
   Fail: (217) [system] arg(_919424, v('(', ')', end_of_file), j)
^  Fail: (216) [user] is_delimiter(j)
   Call: (216) [system] ')'==j
   Fail: (216) [system] ')'==j
   Call: (216) [system] get_char((0x563acd73bee0), j)
   Exit: (216) [system] get_char((0x563acd73bee0), j)
   Call: (216) [system] j=(\)
   Fail: (216) [system] j=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _926774)
   Call: (217) [system] peek_char((0x563acd73bee0), _927708)
   Exit: (217) [system] peek_char((0x563acd73bee0), u)
^  Call: (217) [user] is_delimiter(u)
   Call: (218) [system] char_type(u, space)
   Fail: (218) [system] char_type(u, space)
   Call: (218) [system] arg(_932428, v('(', ')', end_of_file), u)
   Fail: (218) [system] arg(_933360, v('(', ')', end_of_file), u)
^  Fail: (217) [user] is_delimiter(u)
   Call: (217) [system] ')'==u
   Fail: (217) [system] ')'==u
   Call: (217) [system] get_char((0x563acd73bee0), u)
   Exit: (217) [system] get_char((0x563acd73bee0), u)
   Call: (217) [system] u=(\)
   Fail: (217) [system] u=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _940710)
   Call: (218) [system] peek_char((0x563acd73bee0), _941644)
   Exit: (218) [system] peek_char((0x563acd73bee0), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_946364, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_947296, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x563acd73bee0), n)
   Exit: (218) [system] get_char((0x563acd73bee0), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _954646)
   Call: (219) [system] peek_char((0x563acd73bee0), _955580)
   Exit: (219) [system] peek_char((0x563acd73bee0), c)
^  Call: (219) [user] is_delimiter(c)
   Call: (220) [system] char_type(c, space)
   Fail: (220) [system] char_type(c, space)
   Call: (220) [system] arg(_960300, v('(', ')', end_of_file), c)
   Fail: (220) [system] arg(_961232, v('(', ')', end_of_file), c)
^  Fail: (219) [user] is_delimiter(c)
   Call: (219) [system] ')'==c
   Fail: (219) [system] ')'==c
   Call: (219) [system] get_char((0x563acd73bee0), c)
   Exit: (219) [system] get_char((0x563acd73bee0), c)
   Call: (219) [system] c=(\)
   Fail: (219) [system] c=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _968582)
   Call: (220) [system] peek_char((0x563acd73bee0), _969516)
   Exit: (220) [system] peek_char((0x563acd73bee0), t)
^  Call: (220) [user] is_delimiter(t)
   Call: (221) [system] char_type(t, space)
   Fail: (221) [system] char_type(t, space)
   Call: (221) [system] arg(_974236, v('(', ')', end_of_file), t)
   Fail: (221) [system] arg(_975168, v('(', ')', end_of_file), t)
^  Fail: (220) [user] is_delimiter(t)
   Call: (220) [system] ')'==t
   Fail: (220) [system] ')'==t
   Call: (220) [system] get_char((0x563acd73bee0), t)
   Exit: (220) [system] get_char((0x563acd73bee0), t)
   Call: (220) [system] t=(\)
   Fail: (220) [system] t=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _982518)
   Call: (221) [system] peek_char((0x563acd73bee0), _983452)
   Exit: (221) [system] peek_char((0x563acd73bee0), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_988172, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_989104, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x563acd73bee0), i)
   Exit: (221) [system] get_char((0x563acd73bee0), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _996454)
   Call: (222) [system] peek_char((0x563acd73bee0), _997388)
   Exit: (222) [system] peek_char((0x563acd73bee0), o)
^  Call: (222) [user] is_delimiter(o)
   Call: (223) [system] char_type(o, space)
   Fail: (223) [system] char_type(o, space)
   Call: (223) [system] arg(_1002108, v('(', ')', end_of_file), o)
   Fail: (223) [system] arg(_1003040, v('(', ')', end_of_file), o)
^  Fail: (222) [user] is_delimiter(o)
   Call: (222) [system] ')'==o
   Fail: (222) [system] ')'==o
   Call: (222) [system] get_char((0x563acd73bee0), o)
   Exit: (222) [system] get_char((0x563acd73bee0), o)
   Call: (222) [system] o=(\)
   Fail: (222) [system] o=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _1010390)
   Call: (223) [system] peek_char((0x563acd73bee0), _1011324)
   Exit: (223) [system] peek_char((0x563acd73bee0), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_1016044, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_1016976, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x563acd73bee0), n)
   Exit: (223) [system] get_char((0x563acd73bee0), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _1024326)
   Call: (224) [system] peek_char((0x563acd73bee0), _1025260)
   Exit: (224) [system] peek_char((0x563acd73bee0), 'I')
^  Call: (224) [user] is_delimiter('I')
   Call: (225) [system] char_type('I', space)
   Fail: (225) [system] char_type('I', space)
   Call: (225) [system] arg(_1029980, v('(', ')', end_of_file), 'I')
   Fail: (225) [system] arg(_1030912, v('(', ')', end_of_file), 'I')
^  Fail: (224) [user] is_delimiter('I')
   Call: (224) [system] ')'=='I'
   Fail: (224) [system] ')'=='I'
   Call: (224) [system] get_char((0x563acd73bee0), 'I')
   Exit: (224) [system] get_char((0x563acd73bee0), 'I')
   Call: (224) [system] 'I'=(\)
   Fail: (224) [system] 'I'=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _1038262)
   Call: (225) [system] peek_char((0x563acd73bee0), _1039196)
   Exit: (225) [system] peek_char((0x563acd73bee0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_1043916, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_1044848, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x563acd73bee0), n)
   Exit: (225) [system] get_char((0x563acd73bee0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _1052198)
   Call: (226) [system] peek_char((0x563acd73bee0), _1053132)
   Exit: (226) [system] peek_char((0x563acd73bee0), t)
^  Call: (226) [user] is_delimiter(t)
   Call: (227) [system] char_type(t, space)
   Fail: (227) [system] char_type(t, space)
   Call: (227) [system] arg(_1057852, v('(', ')', end_of_file), t)
   Fail: (227) [system] arg(_1058784, v('(', ')', end_of_file), t)
^  Fail: (226) [user] is_delimiter(t)
   Call: (226) [system] ')'==t
   Fail: (226) [system] ')'==t
   Call: (226) [system] get_char((0x563acd73bee0), t)
   Exit: (226) [system] get_char((0x563acd73bee0), t)
   Call: (226) [system] t=(\)
   Fail: (226) [system] t=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _1066134)
   Call: (227) [system] peek_char((0x563acd73bee0), _1067068)
   Exit: (227) [system] peek_char((0x563acd73bee0), r)
^  Call: (227) [user] is_delimiter(r)
   Call: (228) [system] char_type(r, space)
   Fail: (228) [system] char_type(r, space)
   Call: (228) [system] arg(_1071788, v('(', ')', end_of_file), r)
   Fail: (228) [system] arg(_1072720, v('(', ')', end_of_file), r)
^  Fail: (227) [user] is_delimiter(r)
   Call: (227) [system] ')'==r
   Fail: (227) [system] ')'==r
   Call: (227) [system] get_char((0x563acd73bee0), r)
   Exit: (227) [system] get_char((0x563acd73bee0), r)
   Call: (227) [system] r=(\)
   Fail: (227) [system] r=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _1080070)
   Call: (228) [system] peek_char((0x563acd73bee0), _1081004)
   Exit: (228) [system] peek_char((0x563acd73bee0), o)
^  Call: (228) [user] is_delimiter(o)
   Call: (229) [system] char_type(o, space)
   Fail: (229) [system] char_type(o, space)
   Call: (229) [system] arg(_1085724, v('(', ')', end_of_file), o)
   Fail: (229) [system] arg(_1086656, v('(', ')', end_of_file), o)
^  Fail: (228) [user] is_delimiter(o)
   Call: (228) [system] ')'==o
   Fail: (228) [system] ')'==o
   Call: (228) [system] get_char((0x563acd73bee0), o)
   Exit: (228) [system] get_char((0x563acd73bee0), o)
   Call: (228) [system] o=(\)
   Fail: (228) [system] o=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _1094006)
   Call: (229) [system] peek_char((0x563acd73bee0), _1094940)
   Exit: (229) [system] peek_char((0x563acd73bee0), d)
^  Call: (229) [user] is_delimiter(d)
   Call: (230) [system] char_type(d, space)
   Fail: (230) [system] char_type(d, space)
   Call: (230) [system] arg(_1099660, v('(', ')', end_of_file), d)
   Fail: (230) [system] arg(_1100592, v('(', ')', end_of_file), d)
^  Fail: (229) [user] is_delimiter(d)
   Call: (229) [system] ')'==d
   Fail: (229) [system] ')'==d
   Call: (229) [system] get_char((0x563acd73bee0), d)
   Exit: (229) [system] get_char((0x563acd73bee0), d)
   Call: (229) [system] d=(\)
   Fail: (229) [system] d=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _1107942)
   Call: (230) [system] peek_char((0x563acd73bee0), _1108876)
   Exit: (230) [system] peek_char((0x563acd73bee0), u)
^  Call: (230) [user] is_delimiter(u)
   Call: (231) [system] char_type(u, space)
   Fail: (231) [system] char_type(u, space)
   Call: (231) [system] arg(_1113596, v('(', ')', end_of_file), u)
   Fail: (231) [system] arg(_1114528, v('(', ')', end_of_file), u)
^  Fail: (230) [user] is_delimiter(u)
   Call: (230) [system] ')'==u
   Fail: (230) [system] ')'==u
   Call: (230) [system] get_char((0x563acd73bee0), u)
   Exit: (230) [system] get_char((0x563acd73bee0), u)
   Call: (230) [system] u=(\)
   Fail: (230) [system] u=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _1121878)
   Call: (231) [system] peek_char((0x563acd73bee0), _1122812)
   Exit: (231) [system] peek_char((0x563acd73bee0), c)
^  Call: (231) [user] is_delimiter(c)
   Call: (232) [system] char_type(c, space)
   Fail: (232) [system] char_type(c, space)
   Call: (232) [system] arg(_1127532, v('(', ')', end_of_file), c)
   Fail: (232) [system] arg(_1128464, v('(', ')', end_of_file), c)
^  Fail: (231) [user] is_delimiter(c)
   Call: (231) [system] ')'==c
   Fail: (231) [system] ')'==c
   Call: (231) [system] get_char((0x563acd73bee0), c)
   Exit: (231) [system] get_char((0x563acd73bee0), c)
   Call: (231) [system] c=(\)
   Fail: (231) [system] c=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _1135814)
   Call: (232) [system] peek_char((0x563acd73bee0), _1136748)
   Exit: (232) [system] peek_char((0x563acd73bee0), t)
^  Call: (232) [user] is_delimiter(t)
   Call: (233) [system] char_type(t, space)
   Fail: (233) [system] char_type(t, space)
   Call: (233) [system] arg(_1141468, v('(', ')', end_of_file), t)
   Fail: (233) [system] arg(_1142400, v('(', ')', end_of_file), t)
^  Fail: (232) [user] is_delimiter(t)
   Call: (232) [system] ')'==t
   Fail: (232) [system] ')'==t
   Call: (232) [system] get_char((0x563acd73bee0), t)
   Exit: (232) [system] get_char((0x563acd73bee0), t)
   Call: (232) [system] t=(\)
   Fail: (232) [system] t=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _1149750)
   Call: (233) [system] peek_char((0x563acd73bee0), _1150684)
   Exit: (233) [system] peek_char((0x563acd73bee0), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Fail: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_1155404, v('(', ')', end_of_file), i)
   Fail: (234) [system] arg(_1156336, v('(', ')', end_of_file), i)
^  Fail: (233) [user] is_delimiter(i)
   Call: (233) [system] ')'==i
   Fail: (233) [system] ')'==i
   Call: (233) [system] get_char((0x563acd73bee0), i)
   Exit: (233) [system] get_char((0x563acd73bee0), i)
   Call: (233) [system] i=(\)
   Fail: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), _1163686)
   Call: (234) [system] peek_char((0x563acd73bee0), _1164620)
   Exit: (234) [system] peek_char((0x563acd73bee0), o)
^  Call: (234) [user] is_delimiter(o)
   Call: (235) [system] char_type(o, space)
   Fail: (235) [system] char_type(o, space)
   Call: (235) [system] arg(_1169340, v('(', ')', end_of_file), o)
   Fail: (235) [system] arg(_1170272, v('(', ')', end_of_file), o)
^  Fail: (234) [user] is_delimiter(o)
   Call: (234) [system] ')'==o
   Fail: (234) [system] ')'==o
   Call: (234) [system] get_char((0x563acd73bee0), o)
   Exit: (234) [system] get_char((0x563acd73bee0), o)
   Call: (234) [system] o=(\)
   Fail: (234) [system] o=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), _1177622)
   Call: (235) [system] peek_char((0x563acd73bee0), _1178556)
   Exit: (235) [system] peek_char((0x563acd73bee0), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Fail: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_1183276, v('(', ')', end_of_file), n)
   Fail: (236) [system] arg(_1184208, v('(', ')', end_of_file), n)
^  Fail: (235) [user] is_delimiter(n)
   Call: (235) [system] ')'==n
   Fail: (235) [system] ')'==n
   Call: (235) [system] get_char((0x563acd73bee0), n)
   Exit: (235) [system] get_char((0x563acd73bee0), n)
   Call: (235) [system] n=(\)
   Fail: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), _1191558)
   Call: (236) [system] peek_char((0x563acd73bee0), _1192492)
   Exit: (236) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (236) [user] is_delimiter(' ')
   Call: (237) [system] char_type(' ', space)
   Exit: (237) [system] char_type(' ', space)
^  Exit: (236) [user] is_delimiter(' ')
   Call: (236) [system] _1191558=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (235) [system] _1177622=[n]
   Exit: (235) [system] [n]=[n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (234) [system] _1163686=[o, n]
   Exit: (234) [system] [o, n]=[o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (233) [system] _1149750=[i, o, n]
   Exit: (233) [system] [i, o, n]=[i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (232) [system] _1135814=[t, i, o, n]
   Exit: (232) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (231) [system] _1121878=[c, t, i, o, n]
   Exit: (231) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n])
   Call: (230) [system] _1107942=[u, c, t, i, o, n]
   Exit: (230) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, i, o, n])
   Call: (229) [system] _1094006=[d, u, c, t, i, o, n]
   Exit: (229) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, u, c, t, i, o, n])
   Call: (228) [system] _1080070=[o, d, u, c, t, i, o, n]
   Exit: (228) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, d, u, c, t, i, o, n])
   Call: (227) [system] _1066134=[r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _1052198=[t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _1038262=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1024326=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1010390=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _996454=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _982518=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _968582=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _954646=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _940710=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _926774=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _912838=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _898902=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _884966=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (213) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _849456)
^  Call: (214) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1263244)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1264196, _1264198), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1263244), _1264178, fail)), '$restore_trace'(_1264196, _1264198))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1264196, _1264198))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1263244), _1264178, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_1263244)
   Fail: (215) [system] atomic(_1263244)
   Call: (215) [system] atom_chars(_1263244, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (215) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (214) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
   Call: (214) [system] integer('ConjunctionIntroduction')
   Fail: (214) [system] integer('ConjunctionIntroduction')
   Call: (214) [system] _849456='ConjunctionIntroduction'
   Exit: (214) [system] 'ConjunctionIntroduction'='ConjunctionIntroduction'
^  Exit: (213) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (212) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'ConjunctionIntroduction')
^  Exit: (211) [user] cont_sexpr(')', (0x563acd73bee0), 'ConjunctionIntroduction')
^  Call: (211) [user] read_list(')', (0x563acd73bee0), _1278194)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1280052)
   Exit: (213) [system] peek_char((0x563acd73bee0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x563acd73bee0), _1289646)
   Exit: (213) [system] get_char((0x563acd73bee0), ' ')
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1292350)
   Exit: (214) [system] peek_char((0x563acd73bee0), a)
   Call: (214) [system] a=(;)
   Fail: (214) [system] a=(;)
   Call: (214) [system] a=(/)
   Fail: (214) [system] a=(/)
^  Call: (214) [user] is_like_space(a)
   Call: (215) [system] char_type(a, 'white')
   Fail: (215) [system] char_type(a, 'white')
   Call: (215) [system] char_type(a, end_of_line)
   Fail: (215) [system] char_type(a, end_of_line)
   Call: (215) [system] char_type(a, space)
   Fail: (215) [system] char_type(a, space)
   Call: (215) [system] char_type(a, cntrl)
   Fail: (215) [system] char_type(a, cntrl)
^  Fail: (214) [user] is_like_space(a)
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1309284)
   Exit: (212) [system] peek_char((0x563acd73bee0), a)
   Call: (212) [system] a=')'
   Fail: (212) [system] a=')'
   Call: (212) [system] a=end_of_file
   Fail: (212) [system] a=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x563acd73bee0), _1314854)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1316712)
   Exit: (214) [system] peek_char((0x563acd73bee0), a)
   Call: (214) [system] a=(;)
   Fail: (214) [system] a=(;)
   Call: (214) [system] a=(/)
   Fail: (214) [system] a=(/)
^  Call: (214) [user] is_like_space(a)
   Call: (215) [system] char_type(a, 'white')
   Fail: (215) [system] char_type(a, 'white')
   Call: (215) [system] char_type(a, end_of_line)
   Fail: (215) [system] char_type(a, end_of_line)
   Call: (215) [system] char_type(a, space)
   Fail: (215) [system] char_type(a, space)
   Call: (215) [system] char_type(a, cntrl)
   Fail: (215) [system] char_type(a, cntrl)
^  Fail: (214) [user] is_like_space(a)
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] get_char((0x563acd73bee0), _1332722)
   Exit: (213) [system] get_char((0x563acd73bee0), a)
   Call: (213) [system] a='('
   Fail: (213) [system] a='('
   Call: (213) [system] a='['
   Fail: (213) [system] a='['
   Call: (213) [system] a='{'
   Fail: (213) [system] a='{'
   Call: (213) [system] a='"'
   Fail: (213) [system] a='"'
   Call: (213) [system] a=!
   Fail: (213) [system] a=!
   Call: (213) [system] a='\''
   Fail: (213) [system] a='\''
   Call: (213) [system] a='`'
   Fail: (213) [system] a='`'
   Call: (213) [system] a=end_of_file
   Fail: (213) [system] a=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x563acd73bee0), a, _1314854)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _1350364)
   Call: (215) [system] peek_char((0x563acd73bee0), _1351298)
   Exit: (215) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _1350364=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (214) [user] classify_and_convert_charseq([a], _1314854)
^  Call: (215) [user] classify_and_convert_charseq_([a], _1360582)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_1361534, _1361536), once(user:catch(read_from_chars([a], _1360582), _1361516, fail)), '$restore_trace'(_1361534, _1361536))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_1361534, _1361536))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1361516, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(a)
   Exit: (216) [system] atomic(a)
^  Exit: (215) [user] classify_and_convert_charseq_([a], a)
   Call: (215) [system] integer(a)
   Fail: (215) [system] integer(a)
   Call: (215) [system] _1314854=a
   Exit: (215) [system] a=a
^  Exit: (214) [user] classify_and_convert_charseq([a], a)
^  Exit: (213) [user] read_symbolic(')', (0x563acd73bee0), a, a)
^  Exit: (212) [user] cont_sexpr(')', (0x563acd73bee0), a)
^  Call: (212) [user] read_list(')', (0x563acd73bee0), _1373662)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1375520)
   Exit: (214) [system] peek_char((0x563acd73bee0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x563acd73bee0), _1385114)
   Exit: (214) [system] get_char((0x563acd73bee0), ' ')
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1387818)
   Exit: (215) [system] peek_char((0x563acd73bee0), c)
   Call: (215) [system] c=(;)
   Fail: (215) [system] c=(;)
   Call: (215) [system] c=(/)
   Fail: (215) [system] c=(/)
^  Call: (215) [user] is_like_space(c)
   Call: (216) [system] char_type(c, 'white')
   Fail: (216) [system] char_type(c, 'white')
   Call: (216) [system] char_type(c, end_of_line)
   Fail: (216) [system] char_type(c, end_of_line)
   Call: (216) [system] char_type(c, space)
   Fail: (216) [system] char_type(c, space)
   Call: (216) [system] char_type(c, cntrl)
   Fail: (216) [system] char_type(c, cntrl)
^  Fail: (215) [user] is_like_space(c)
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1404752)
   Exit: (213) [system] peek_char((0x563acd73bee0), c)
   Call: (213) [system] c=')'
   Fail: (213) [system] c=')'
   Call: (213) [system] c=end_of_file
   Fail: (213) [system] c=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x563acd73bee0), _1410322)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1412180)
   Exit: (215) [system] peek_char((0x563acd73bee0), c)
   Call: (215) [system] c=(;)
   Fail: (215) [system] c=(;)
   Call: (215) [system] c=(/)
   Fail: (215) [system] c=(/)
^  Call: (215) [user] is_like_space(c)
   Call: (216) [system] char_type(c, 'white')
   Fail: (216) [system] char_type(c, 'white')
   Call: (216) [system] char_type(c, end_of_line)
   Fail: (216) [system] char_type(c, end_of_line)
   Call: (216) [system] char_type(c, space)
   Fail: (216) [system] char_type(c, space)
   Call: (216) [system] char_type(c, cntrl)
   Fail: (216) [system] char_type(c, cntrl)
^  Fail: (215) [user] is_like_space(c)
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] get_char((0x563acd73bee0), _1428190)
   Exit: (214) [system] get_char((0x563acd73bee0), c)
   Call: (214) [system] c='('
   Fail: (214) [system] c='('
   Call: (214) [system] c='['
   Fail: (214) [system] c='['
   Call: (214) [system] c='{'
   Fail: (214) [system] c='{'
   Call: (214) [system] c='"'
   Fail: (214) [system] c='"'
   Call: (214) [system] c=!
   Fail: (214) [system] c=!
   Call: (214) [system] c='\''
   Fail: (214) [system] c='\''
   Call: (214) [system] c='`'
   Fail: (214) [system] c='`'
   Call: (214) [system] c=end_of_file
   Fail: (214) [system] c=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x563acd73bee0), c, _1410322)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _1445832)
   Call: (216) [system] peek_char((0x563acd73bee0), _1446766)
   Exit: (216) [system] peek_char((0x563acd73bee0), d)
^  Call: (216) [user] is_delimiter(d)
   Call: (217) [system] char_type(d, space)
   Fail: (217) [system] char_type(d, space)
   Call: (217) [system] arg(_1451486, v('(', ')', end_of_file), d)
   Fail: (217) [system] arg(_1452418, v('(', ')', end_of_file), d)
^  Fail: (216) [user] is_delimiter(d)
   Call: (216) [system] ')'==d
   Fail: (216) [system] ')'==d
   Call: (216) [system] get_char((0x563acd73bee0), d)
   Exit: (216) [system] get_char((0x563acd73bee0), d)
   Call: (216) [system] d=(\)
   Fail: (216) [system] d=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _1459768)
   Call: (217) [system] peek_char((0x563acd73bee0), _1460702)
   Exit: (217) [system] peek_char((0x563acd73bee0), e)
^  Call: (217) [user] is_delimiter(e)
   Call: (218) [system] char_type(e, space)
   Fail: (218) [system] char_type(e, space)
   Call: (218) [system] arg(_1465422, v('(', ')', end_of_file), e)
   Fail: (218) [system] arg(_1466354, v('(', ')', end_of_file), e)
^  Fail: (217) [user] is_delimiter(e)
   Call: (217) [system] ')'==e
   Fail: (217) [system] ')'==e
   Call: (217) [system] get_char((0x563acd73bee0), e)
   Exit: (217) [system] get_char((0x563acd73bee0), e)
   Call: (217) [system] e=(\)
   Fail: (217) [system] e=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _1473704)
   Call: (218) [system] peek_char((0x563acd73bee0), _1474638)
   Exit: (218) [system] peek_char((0x563acd73bee0), ')')
^  Call: (218) [user] is_delimiter(')')
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] arg(_1479358, v('(', ')', end_of_file), ')')
   Exit: (219) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (218) [user] is_delimiter(')')
   Call: (218) [system] _1473704=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (217) [system] _1459768=[e]
   Exit: (217) [system] [e]=[e]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [e])
   Call: (216) [system] _1445832=[d, e]
   Exit: (216) [system] [d, e]=[d, e]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, e])
^  Call: (215) [user] classify_and_convert_charseq([c, d, e], _1410322)
^  Call: (216) [user] classify_and_convert_charseq_([c, d, e], _1491382)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1492334, _1492336), once(user:catch(read_from_chars([c, d, e], _1491382), _1492316, fail)), '$restore_trace'(_1492334, _1492336))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1492334, _1492336))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1492316, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(cde)
   Exit: (217) [system] atomic(cde)
^  Exit: (216) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (216) [system] integer(cde)
   Fail: (216) [system] integer(cde)
   Call: (216) [system] _1410322=cde
   Exit: (216) [system] cde=cde
^  Exit: (215) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (214) [user] read_symbolic(')', (0x563acd73bee0), c, cde)
^  Exit: (213) [user] cont_sexpr(')', (0x563acd73bee0), cde)
^  Call: (213) [user] read_list(')', (0x563acd73bee0), _1504462)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1506320)
   Exit: (215) [system] peek_char((0x563acd73bee0), ')')
   Call: (215) [system] ')'=(;)
   Fail: (215) [system] ')'=(;)
   Call: (215) [system] ')'=(/)
   Fail: (215) [system] ')'=(/)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Fail: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Fail: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
   Fail: (216) [system] char_type(')', cntrl)
^  Fail: (215) [user] is_like_space(')')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1522330)
   Exit: (214) [system] peek_char((0x563acd73bee0), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x563acd73bee0), _1526120)
   Exit: (214) [system] get_char((0x563acd73bee0), ')')
   Call: (214) [system] _1504462=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x563acd73bee0), [])
   Call: (213) [system] _1373662=[cde]
   Exit: (213) [system] [cde]=[cde]
^  Exit: (212) [user] read_list(')', (0x563acd73bee0), [cde])
   Call: (212) [system] _1278194=[a, cde]
   Exit: (212) [system] [a, cde]=[a, cde]
^  Exit: (211) [user] read_list(')', (0x563acd73bee0), [a, cde])
   Call: (211) [system] _804438=['ConjunctionIntroduction', a, cde]
   Exit: (211) [system] ['ConjunctionIntroduction', a, cde]=['ConjunctionIntroduction', a, cde]
^  Exit: (210) [user] read_list(')', (0x563acd73bee0), ['ConjunctionIntroduction', a, cde])
^  Exit: (209) [user] cont_sexpr(')', (0x563acd73bee0), ['ConjunctionIntroduction', a, cde])
^  Call: (209) [user] read_list(')', (0x563acd73bee0), _1540002)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1541860)
   Exit: (211) [system] peek_char((0x563acd73bee0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x563acd73bee0), _1551454)
   Exit: (211) [system] get_char((0x563acd73bee0), ' ')
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1554158)
   Exit: (212) [system] peek_char((0x563acd73bee0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1571092)
   Exit: (210) [system] peek_char((0x563acd73bee0), '(')
   Call: (210) [system] '('=')'
   Fail: (210) [system] '('=')'
   Call: (210) [system] '('=end_of_file
   Fail: (210) [system] '('=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x563acd73bee0), _1576662)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1578520)
   Exit: (212) [system] peek_char((0x563acd73bee0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] get_char((0x563acd73bee0), _1594530)
   Exit: (211) [system] get_char((0x563acd73bee0), '(')
   Call: (211) [system] '('='('
   Exit: (211) [system] '('='('
^  Call: (211) [user] read_list(')', (0x563acd73bee0), _1576662)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1600100)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'A')
   Call: (213) [system] 'A'=(;)
   Fail: (213) [system] 'A'=(;)
   Call: (213) [system] 'A'=(/)
   Fail: (213) [system] 'A'=(/)
^  Call: (213) [user] is_like_space('A')
   Call: (214) [system] char_type('A', 'white')
   Fail: (214) [system] char_type('A', 'white')
   Call: (214) [system] char_type('A', end_of_line)
   Fail: (214) [system] char_type('A', end_of_line)
   Call: (214) [system] char_type('A', space)
   Fail: (214) [system] char_type('A', space)
   Call: (214) [system] char_type('A', cntrl)
   Fail: (214) [system] char_type('A', cntrl)
^  Fail: (213) [user] is_like_space('A')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1616110)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'A')
   Call: (212) [system] 'A'=')'
   Fail: (212) [system] 'A'=')'
   Call: (212) [system] 'A'=end_of_file
   Fail: (212) [system] 'A'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x563acd73bee0), _1621680)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1623538)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'A')
   Call: (214) [system] 'A'=(;)
   Fail: (214) [system] 'A'=(;)
   Call: (214) [system] 'A'=(/)
   Fail: (214) [system] 'A'=(/)
^  Call: (214) [user] is_like_space('A')
   Call: (215) [system] char_type('A', 'white')
   Fail: (215) [system] char_type('A', 'white')
   Call: (215) [system] char_type('A', end_of_line)
   Fail: (215) [system] char_type('A', end_of_line)
   Call: (215) [system] char_type('A', space)
   Fail: (215) [system] char_type('A', space)
   Call: (215) [system] char_type('A', cntrl)
   Fail: (215) [system] char_type('A', cntrl)
^  Fail: (214) [user] is_like_space('A')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] get_char((0x563acd73bee0), _1639548)
   Exit: (213) [system] get_char((0x563acd73bee0), 'A')
   Call: (213) [system] 'A'='('
   Fail: (213) [system] 'A'='('
   Call: (213) [system] 'A'='['
   Fail: (213) [system] 'A'='['
   Call: (213) [system] 'A'='{'
   Fail: (213) [system] 'A'='{'
   Call: (213) [system] 'A'='"'
   Fail: (213) [system] 'A'='"'
   Call: (213) [system] 'A'=!
   Fail: (213) [system] 'A'=!
   Call: (213) [system] 'A'='\''
   Fail: (213) [system] 'A'='\''
   Call: (213) [system] 'A'='`'
   Fail: (213) [system] 'A'='`'
   Call: (213) [system] 'A'=end_of_file
   Fail: (213) [system] 'A'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x563acd73bee0), 'A', _1621680)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _1657190)
   Call: (215) [system] peek_char((0x563acd73bee0), _1658124)
   Exit: (215) [system] peek_char((0x563acd73bee0), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_1662844, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_1663776, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x563acd73bee0), n)
   Exit: (215) [system] get_char((0x563acd73bee0), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _1671126)
   Call: (216) [system] peek_char((0x563acd73bee0), _1672060)
   Exit: (216) [system] peek_char((0x563acd73bee0), d)
^  Call: (216) [user] is_delimiter(d)
   Call: (217) [system] char_type(d, space)
   Fail: (217) [system] char_type(d, space)
   Call: (217) [system] arg(_1676780, v('(', ')', end_of_file), d)
   Fail: (217) [system] arg(_1677712, v('(', ')', end_of_file), d)
^  Fail: (216) [user] is_delimiter(d)
   Call: (216) [system] ')'==d
   Fail: (216) [system] ')'==d
   Call: (216) [system] get_char((0x563acd73bee0), d)
   Exit: (216) [system] get_char((0x563acd73bee0), d)
   Call: (216) [system] d=(\)
   Fail: (216) [system] d=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _1685062)
   Call: (217) [system] peek_char((0x563acd73bee0), _1685996)
   Exit: (217) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (217) [user] is_delimiter('L')
   Call: (218) [system] char_type('L', space)
   Fail: (218) [system] char_type('L', space)
   Call: (218) [system] arg(_1690716, v('(', ')', end_of_file), 'L')
   Fail: (218) [system] arg(_1691648, v('(', ')', end_of_file), 'L')
^  Fail: (217) [user] is_delimiter('L')
   Call: (217) [system] ')'=='L'
   Fail: (217) [system] ')'=='L'
   Call: (217) [system] get_char((0x563acd73bee0), 'L')
   Exit: (217) [system] get_char((0x563acd73bee0), 'L')
   Call: (217) [system] 'L'=(\)
   Fail: (217) [system] 'L'=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _1698998)
   Call: (218) [system] peek_char((0x563acd73bee0), _1699932)
   Exit: (218) [system] peek_char((0x563acd73bee0), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Fail: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_1704652, v('(', ')', end_of_file), i)
   Fail: (219) [system] arg(_1705584, v('(', ')', end_of_file), i)
^  Fail: (218) [user] is_delimiter(i)
   Call: (218) [system] ')'==i
   Fail: (218) [system] ')'==i
   Call: (218) [system] get_char((0x563acd73bee0), i)
   Exit: (218) [system] get_char((0x563acd73bee0), i)
   Call: (218) [system] i=(\)
   Fail: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _1712934)
   Call: (219) [system] peek_char((0x563acd73bee0), _1713868)
   Exit: (219) [system] peek_char((0x563acd73bee0), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_1718588, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_1719520, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x563acd73bee0), n)
   Exit: (219) [system] get_char((0x563acd73bee0), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _1726870)
   Call: (220) [system] peek_char((0x563acd73bee0), _1727804)
   Exit: (220) [system] peek_char((0x563acd73bee0), k)
^  Call: (220) [user] is_delimiter(k)
   Call: (221) [system] char_type(k, space)
   Fail: (221) [system] char_type(k, space)
   Call: (221) [system] arg(_1732524, v('(', ')', end_of_file), k)
   Fail: (221) [system] arg(_1733456, v('(', ')', end_of_file), k)
^  Fail: (220) [user] is_delimiter(k)
   Call: (220) [system] ')'==k
   Fail: (220) [system] ')'==k
   Call: (220) [system] get_char((0x563acd73bee0), k)
   Exit: (220) [system] get_char((0x563acd73bee0), k)
   Call: (220) [system] k=(\)
   Fail: (220) [system] k=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _1740806)
   Call: (221) [system] peek_char((0x563acd73bee0), _1741740)
   Exit: (221) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (221) [user] is_delimiter(' ')
   Call: (222) [system] char_type(' ', space)
   Exit: (222) [system] char_type(' ', space)
^  Exit: (221) [user] is_delimiter(' ')
   Call: (221) [system] _1740806=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (220) [system] _1726870=[k]
   Exit: (220) [system] [k]=[k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (219) [system] _1712934=[n, k]
   Exit: (219) [system] [n, k]=[n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (218) [system] _1698998=[i, n, k]
   Exit: (218) [system] [i, n, k]=[i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (217) [system] _1685062=['L', i, n, k]
   Exit: (217) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (216) [system] _1671126=[d, 'L', i, n, k]
   Exit: (216) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, 'L', i, n, k])
   Call: (215) [system] _1657190=[n, d, 'L', i, n, k]
   Exit: (215) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, d, 'L', i, n, k])
^  Call: (214) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1621680)
^  Call: (215) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1767788)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_1768740, _1768742), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1767788), _1768722, fail)), '$restore_trace'(_1768740, _1768742))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_1768740, _1768742))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1767788), _1768722, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_1767788)
   Fail: (216) [system] atomic(_1767788)
   Call: (216) [system] atom_chars(_1767788, ['A', n, d, 'L', i, n, k])
   Exit: (216) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (215) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (215) [system] integer('AndLink')
   Fail: (215) [system] integer('AndLink')
   Call: (215) [system] _1621680='AndLink'
   Exit: (215) [system] 'AndLink'='AndLink'
^  Exit: (214) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (213) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'AndLink')
^  Exit: (212) [user] cont_sexpr(')', (0x563acd73bee0), 'AndLink')
^  Call: (212) [user] read_list(')', (0x563acd73bee0), _1782738)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1784596)
   Exit: (214) [system] peek_char((0x563acd73bee0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x563acd73bee0), _1794190)
   Exit: (214) [system] get_char((0x563acd73bee0), ' ')
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1796894)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'B')
   Call: (215) [system] 'B'=(;)
   Fail: (215) [system] 'B'=(;)
   Call: (215) [system] 'B'=(/)
   Fail: (215) [system] 'B'=(/)
^  Call: (215) [user] is_like_space('B')
   Call: (216) [system] char_type('B', 'white')
   Fail: (216) [system] char_type('B', 'white')
   Call: (216) [system] char_type('B', end_of_line)
   Fail: (216) [system] char_type('B', end_of_line)
   Call: (216) [system] char_type('B', space)
   Fail: (216) [system] char_type('B', space)
   Call: (216) [system] char_type('B', cntrl)
   Fail: (216) [system] char_type('B', cntrl)
^  Fail: (215) [user] is_like_space('B')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1813828)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'B')
   Call: (213) [system] 'B'=')'
   Fail: (213) [system] 'B'=')'
   Call: (213) [system] 'B'=end_of_file
   Fail: (213) [system] 'B'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x563acd73bee0), _1819398)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1821256)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'B')
   Call: (215) [system] 'B'=(;)
   Fail: (215) [system] 'B'=(;)
   Call: (215) [system] 'B'=(/)
   Fail: (215) [system] 'B'=(/)
^  Call: (215) [user] is_like_space('B')
   Call: (216) [system] char_type('B', 'white')
   Fail: (216) [system] char_type('B', 'white')
   Call: (216) [system] char_type('B', end_of_line)
   Fail: (216) [system] char_type('B', end_of_line)
   Call: (216) [system] char_type('B', space)
   Fail: (216) [system] char_type('B', space)
   Call: (216) [system] char_type('B', cntrl)
   Fail: (216) [system] char_type('B', cntrl)
^  Fail: (215) [user] is_like_space('B')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] get_char((0x563acd73bee0), _1837266)
   Exit: (214) [system] get_char((0x563acd73bee0), 'B')
   Call: (214) [system] 'B'='('
   Fail: (214) [system] 'B'='('
   Call: (214) [system] 'B'='['
   Fail: (214) [system] 'B'='['
   Call: (214) [system] 'B'='{'
   Fail: (214) [system] 'B'='{'
   Call: (214) [system] 'B'='"'
   Fail: (214) [system] 'B'='"'
   Call: (214) [system] 'B'=!
   Fail: (214) [system] 'B'=!
   Call: (214) [system] 'B'='\''
   Fail: (214) [system] 'B'='\''
   Call: (214) [system] 'B'='`'
   Fail: (214) [system] 'B'='`'
   Call: (214) [system] 'B'=end_of_file
   Fail: (214) [system] 'B'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x563acd73bee0), 'B', _1819398)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _1854908)
   Call: (216) [system] peek_char((0x563acd73bee0), _1855842)
   Exit: (216) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _1854908=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (215) [user] classify_and_convert_charseq(['B'], _1819398)
^  Call: (216) [user] classify_and_convert_charseq_(['B'], _1865126)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1866078, _1866080), once(user:catch(read_from_chars(['B'], _1865126), _1866060, fail)), '$restore_trace'(_1866078, _1866080))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1866078, _1866080))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1865126), _1866060, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_1865126)
   Fail: (217) [system] atomic(_1865126)
   Call: (217) [system] atom_chars(_1865126, ['B'])
   Exit: (217) [system] atom_chars('B', ['B'])
^  Exit: (216) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (216) [system] integer('B')
   Fail: (216) [system] integer('B')
   Call: (216) [system] _1819398='B'
   Exit: (216) [system] 'B'='B'
^  Exit: (215) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (214) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (213) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (213) [user] read_list(')', (0x563acd73bee0), _1880076)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1881934)
   Exit: (215) [system] peek_char((0x563acd73bee0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x563acd73bee0), _1891528)
   Exit: (215) [system] get_char((0x563acd73bee0), ' ')
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1894232)
   Exit: (216) [system] peek_char((0x563acd73bee0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1911166)
   Exit: (214) [system] peek_char((0x563acd73bee0), '(')
   Call: (214) [system] '('=')'
   Fail: (214) [system] '('=')'
   Call: (214) [system] '('=end_of_file
   Fail: (214) [system] '('=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x563acd73bee0), _1916736)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1918594)
   Exit: (216) [system] peek_char((0x563acd73bee0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] get_char((0x563acd73bee0), _1934604)
   Exit: (215) [system] get_char((0x563acd73bee0), '(')
   Call: (215) [system] '('='('
   Exit: (215) [system] '('='('
^  Call: (215) [user] read_list(')', (0x563acd73bee0), _1916736)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1940174)
   Exit: (217) [system] peek_char((0x563acd73bee0), 'I')
   Call: (217) [system] 'I'=(;)
   Fail: (217) [system] 'I'=(;)
   Call: (217) [system] 'I'=(/)
   Fail: (217) [system] 'I'=(/)
^  Call: (217) [user] is_like_space('I')
   Call: (218) [system] char_type('I', 'white')
   Fail: (218) [system] char_type('I', 'white')
   Call: (218) [system] char_type('I', end_of_line)
   Fail: (218) [system] char_type('I', end_of_line)
   Call: (218) [system] char_type('I', space)
   Fail: (218) [system] char_type('I', space)
   Call: (218) [system] char_type('I', cntrl)
   Fail: (218) [system] char_type('I', cntrl)
^  Fail: (217) [user] is_like_space('I')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1956184)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'I')
   Call: (216) [system] 'I'=')'
   Fail: (216) [system] 'I'=')'
   Call: (216) [system] 'I'=end_of_file
   Fail: (216) [system] 'I'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x563acd73bee0), _1961754)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _1963612)
   Exit: (218) [system] peek_char((0x563acd73bee0), 'I')
   Call: (218) [system] 'I'=(;)
   Fail: (218) [system] 'I'=(;)
   Call: (218) [system] 'I'=(/)
   Fail: (218) [system] 'I'=(/)
^  Call: (218) [user] is_like_space('I')
   Call: (219) [system] char_type('I', 'white')
   Fail: (219) [system] char_type('I', 'white')
   Call: (219) [system] char_type('I', end_of_line)
   Fail: (219) [system] char_type('I', end_of_line)
   Call: (219) [system] char_type('I', space)
   Fail: (219) [system] char_type('I', space)
   Call: (219) [system] char_type('I', cntrl)
   Fail: (219) [system] char_type('I', cntrl)
^  Fail: (218) [user] is_like_space('I')
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] get_char((0x563acd73bee0), _1979622)
   Exit: (217) [system] get_char((0x563acd73bee0), 'I')
   Call: (217) [system] 'I'='('
   Fail: (217) [system] 'I'='('
   Call: (217) [system] 'I'='['
   Fail: (217) [system] 'I'='['
   Call: (217) [system] 'I'='{'
   Fail: (217) [system] 'I'='{'
   Call: (217) [system] 'I'='"'
   Fail: (217) [system] 'I'='"'
   Call: (217) [system] 'I'=!
   Fail: (217) [system] 'I'=!
   Call: (217) [system] 'I'='\''
   Fail: (217) [system] 'I'='\''
   Call: (217) [system] 'I'='`'
   Fail: (217) [system] 'I'='`'
   Call: (217) [system] 'I'=end_of_file
   Fail: (217) [system] 'I'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x563acd73bee0), 'I', _1961754)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _1997264)
   Call: (219) [system] peek_char((0x563acd73bee0), _1998198)
   Exit: (219) [system] peek_char((0x563acd73bee0), m)
^  Call: (219) [user] is_delimiter(m)
   Call: (220) [system] char_type(m, space)
   Fail: (220) [system] char_type(m, space)
   Call: (220) [system] arg(_2002918, v('(', ')', end_of_file), m)
   Fail: (220) [system] arg(_2003850, v('(', ')', end_of_file), m)
^  Fail: (219) [user] is_delimiter(m)
   Call: (219) [system] ')'==m
   Fail: (219) [system] ')'==m
   Call: (219) [system] get_char((0x563acd73bee0), m)
   Exit: (219) [system] get_char((0x563acd73bee0), m)
   Call: (219) [system] m=(\)
   Fail: (219) [system] m=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _2011200)
   Call: (220) [system] peek_char((0x563acd73bee0), _2012134)
   Exit: (220) [system] peek_char((0x563acd73bee0), p)
^  Call: (220) [user] is_delimiter(p)
   Call: (221) [system] char_type(p, space)
   Fail: (221) [system] char_type(p, space)
   Call: (221) [system] arg(_2016854, v('(', ')', end_of_file), p)
   Fail: (221) [system] arg(_2017786, v('(', ')', end_of_file), p)
^  Fail: (220) [user] is_delimiter(p)
   Call: (220) [system] ')'==p
   Fail: (220) [system] ')'==p
   Call: (220) [system] get_char((0x563acd73bee0), p)
   Exit: (220) [system] get_char((0x563acd73bee0), p)
   Call: (220) [system] p=(\)
   Fail: (220) [system] p=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _2025136)
   Call: (221) [system] peek_char((0x563acd73bee0), _2026070)
   Exit: (221) [system] peek_char((0x563acd73bee0), l)
^  Call: (221) [user] is_delimiter(l)
   Call: (222) [system] char_type(l, space)
   Fail: (222) [system] char_type(l, space)
   Call: (222) [system] arg(_2030790, v('(', ')', end_of_file), l)
   Fail: (222) [system] arg(_2031722, v('(', ')', end_of_file), l)
^  Fail: (221) [user] is_delimiter(l)
   Call: (221) [system] ')'==l
   Fail: (221) [system] ')'==l
   Call: (221) [system] get_char((0x563acd73bee0), l)
   Exit: (221) [system] get_char((0x563acd73bee0), l)
   Call: (221) [system] l=(\)
   Fail: (221) [system] l=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _2039072)
   Call: (222) [system] peek_char((0x563acd73bee0), _2040006)
   Exit: (222) [system] peek_char((0x563acd73bee0), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_2044726, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_2045658, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x563acd73bee0), i)
   Exit: (222) [system] get_char((0x563acd73bee0), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _2053008)
   Call: (223) [system] peek_char((0x563acd73bee0), _2053942)
   Exit: (223) [system] peek_char((0x563acd73bee0), c)
^  Call: (223) [user] is_delimiter(c)
   Call: (224) [system] char_type(c, space)
   Fail: (224) [system] char_type(c, space)
   Call: (224) [system] arg(_2058662, v('(', ')', end_of_file), c)
   Fail: (224) [system] arg(_2059594, v('(', ')', end_of_file), c)
^  Fail: (223) [user] is_delimiter(c)
   Call: (223) [system] ')'==c
   Fail: (223) [system] ')'==c
   Call: (223) [system] get_char((0x563acd73bee0), c)
   Exit: (223) [system] get_char((0x563acd73bee0), c)
   Call: (223) [system] c=(\)
   Fail: (223) [system] c=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _2066944)
   Call: (224) [system] peek_char((0x563acd73bee0), _2067878)
   Exit: (224) [system] peek_char((0x563acd73bee0), a)
^  Call: (224) [user] is_delimiter(a)
   Call: (225) [system] char_type(a, space)
   Fail: (225) [system] char_type(a, space)
   Call: (225) [system] arg(_2072598, v('(', ')', end_of_file), a)
   Fail: (225) [system] arg(_2073530, v('(', ')', end_of_file), a)
^  Fail: (224) [user] is_delimiter(a)
   Call: (224) [system] ')'==a
   Fail: (224) [system] ')'==a
   Call: (224) [system] get_char((0x563acd73bee0), a)
   Exit: (224) [system] get_char((0x563acd73bee0), a)
   Call: (224) [system] a=(\)
   Fail: (224) [system] a=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _2080880)
   Call: (225) [system] peek_char((0x563acd73bee0), _2081814)
   Exit: (225) [system] peek_char((0x563acd73bee0), t)
^  Call: (225) [user] is_delimiter(t)
   Call: (226) [system] char_type(t, space)
   Fail: (226) [system] char_type(t, space)
   Call: (226) [system] arg(_2086534, v('(', ')', end_of_file), t)
   Fail: (226) [system] arg(_2087466, v('(', ')', end_of_file), t)
^  Fail: (225) [user] is_delimiter(t)
   Call: (225) [system] ')'==t
   Fail: (225) [system] ')'==t
   Call: (225) [system] get_char((0x563acd73bee0), t)
   Exit: (225) [system] get_char((0x563acd73bee0), t)
   Call: (225) [system] t=(\)
   Fail: (225) [system] t=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _2094816)
   Call: (226) [system] peek_char((0x563acd73bee0), _2095750)
   Exit: (226) [system] peek_char((0x563acd73bee0), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Fail: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_8646, v('(', ')', end_of_file), i)
   Fail: (227) [system] arg(_9578, v('(', ')', end_of_file), i)
^  Fail: (226) [user] is_delimiter(i)
   Call: (226) [system] ')'==i
   Fail: (226) [system] ')'==i
   Call: (226) [system] get_char((0x563acd73bee0), i)
   Exit: (226) [system] get_char((0x563acd73bee0), i)
   Call: (226) [system] i=(\)
   Fail: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _16928)
   Call: (227) [system] peek_char((0x563acd73bee0), _17862)
   Exit: (227) [system] peek_char((0x563acd73bee0), o)
^  Call: (227) [user] is_delimiter(o)
   Call: (228) [system] char_type(o, space)
   Fail: (228) [system] char_type(o, space)
   Call: (228) [system] arg(_22582, v('(', ')', end_of_file), o)
   Fail: (228) [system] arg(_23514, v('(', ')', end_of_file), o)
^  Fail: (227) [user] is_delimiter(o)
   Call: (227) [system] ')'==o
   Fail: (227) [system] ')'==o
   Call: (227) [system] get_char((0x563acd73bee0), o)
   Exit: (227) [system] get_char((0x563acd73bee0), o)
   Call: (227) [system] o=(\)
   Fail: (227) [system] o=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _30864)
   Call: (228) [system] peek_char((0x563acd73bee0), _31798)
   Exit: (228) [system] peek_char((0x563acd73bee0), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_36518, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_37450, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x563acd73bee0), n)
   Exit: (228) [system] get_char((0x563acd73bee0), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _44800)
   Call: (229) [system] peek_char((0x563acd73bee0), _45734)
   Exit: (229) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _44800=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (228) [system] _30864=[n]
   Exit: (228) [system] [n]=[n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (227) [system] _16928=[o, n]
   Exit: (227) [system] [o, n]=[o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (226) [system] _5032=[i, o, n]
   Exit: (226) [system] [i, o, n]=[i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (225) [system] _5028=[t, i, o, n]
   Exit: (225) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (224) [system] _5024=[a, t, i, o, n]
   Exit: (224) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (223) [system] _5020=[c, a, t, i, o, n]
   Exit: (223) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (222) [system] _5016=[i, c, a, t, i, o, n]
   Exit: (222) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (221) [system] _5012=[l, i, c, a, t, i, o, n]
   Exit: (221) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (220) [system] _5008=[p, l, i, c, a, t, i, o, n]
   Exit: (220) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (219) [system] _5004=[m, p, l, i, c, a, t, i, o, n]
   Exit: (219) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (218) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _5000)
^  Call: (219) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _82958)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_83910, _83912), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _82958), _83892, fail)), '$restore_trace'(_83910, _83912))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_83910, _83912))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _82958), _83892, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_82958)
   Fail: (220) [system] atomic(_82958)
   Call: (220) [system] atom_chars(_82958, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (220) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (219) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (219) [system] integer('Implication')
   Fail: (219) [system] integer('Implication')
   Call: (219) [system] _5000='Implication'
   Exit: (219) [system] 'Implication'='Implication'
^  Exit: (218) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (217) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (216) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (216) [user] read_list(')', (0x563acd73bee0), _97908)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _99766)
   Exit: (218) [system] peek_char((0x563acd73bee0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x563acd73bee0), _109360)
   Exit: (218) [system] get_char((0x563acd73bee0), ' ')
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _112064)
   Exit: (219) [system] peek_char((0x563acd73bee0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _128998)
   Exit: (217) [system] peek_char((0x563acd73bee0), '(')
   Call: (217) [system] '('=')'
   Fail: (217) [system] '('=')'
   Call: (217) [system] '('=end_of_file
   Fail: (217) [system] '('=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x563acd73bee0), _134568)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _136426)
   Exit: (219) [system] peek_char((0x563acd73bee0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] get_char((0x563acd73bee0), _152436)
   Exit: (218) [system] get_char((0x563acd73bee0), '(')
   Call: (218) [system] '('='('
   Exit: (218) [system] '('='('
^  Call: (218) [user] read_list(')', (0x563acd73bee0), _134568)
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _158006)
   Exit: (220) [system] peek_char((0x563acd73bee0), 'O')
   Call: (220) [system] 'O'=(;)
   Fail: (220) [system] 'O'=(;)
   Call: (220) [system] 'O'=(/)
   Fail: (220) [system] 'O'=(/)
^  Call: (220) [user] is_like_space('O')
   Call: (221) [system] char_type('O', 'white')
   Fail: (221) [system] char_type('O', 'white')
   Call: (221) [system] char_type('O', end_of_line)
   Fail: (221) [system] char_type('O', end_of_line)
   Call: (221) [system] char_type('O', space)
   Fail: (221) [system] char_type('O', space)
   Call: (221) [system] char_type('O', cntrl)
   Fail: (221) [system] char_type('O', cntrl)
^  Fail: (220) [user] is_like_space('O')
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _174016)
   Exit: (219) [system] peek_char((0x563acd73bee0), 'O')
   Call: (219) [system] 'O'=')'
   Fail: (219) [system] 'O'=')'
   Call: (219) [system] 'O'=end_of_file
   Fail: (219) [system] 'O'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x563acd73bee0), _179586)
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _181444)
   Exit: (221) [system] peek_char((0x563acd73bee0), 'O')
   Call: (221) [system] 'O'=(;)
   Fail: (221) [system] 'O'=(;)
   Call: (221) [system] 'O'=(/)
   Fail: (221) [system] 'O'=(/)
^  Call: (221) [user] is_like_space('O')
   Call: (222) [system] char_type('O', 'white')
   Fail: (222) [system] char_type('O', 'white')
   Call: (222) [system] char_type('O', end_of_line)
   Fail: (222) [system] char_type('O', end_of_line)
   Call: (222) [system] char_type('O', space)
   Fail: (222) [system] char_type('O', space)
   Call: (222) [system] char_type('O', cntrl)
   Fail: (222) [system] char_type('O', cntrl)
^  Fail: (221) [user] is_like_space('O')
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] get_char((0x563acd73bee0), _197454)
   Exit: (220) [system] get_char((0x563acd73bee0), 'O')
   Call: (220) [system] 'O'='('
   Fail: (220) [system] 'O'='('
   Call: (220) [system] 'O'='['
   Fail: (220) [system] 'O'='['
   Call: (220) [system] 'O'='{'
   Fail: (220) [system] 'O'='{'
   Call: (220) [system] 'O'='"'
   Fail: (220) [system] 'O'='"'
   Call: (220) [system] 'O'=!
   Fail: (220) [system] 'O'=!
   Call: (220) [system] 'O'='\''
   Fail: (220) [system] 'O'='\''
   Call: (220) [system] 'O'='`'
   Fail: (220) [system] 'O'='`'
   Call: (220) [system] 'O'=end_of_file
   Fail: (220) [system] 'O'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x563acd73bee0), 'O', _179586)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _215096)
   Call: (222) [system] peek_char((0x563acd73bee0), _216030)
   Exit: (222) [system] peek_char((0x563acd73bee0), r)
^  Call: (222) [user] is_delimiter(r)
   Call: (223) [system] char_type(r, space)
   Fail: (223) [system] char_type(r, space)
   Call: (223) [system] arg(_220750, v('(', ')', end_of_file), r)
   Fail: (223) [system] arg(_221682, v('(', ')', end_of_file), r)
^  Fail: (222) [user] is_delimiter(r)
   Call: (222) [system] ')'==r
   Fail: (222) [system] ')'==r
   Call: (222) [system] get_char((0x563acd73bee0), r)
   Exit: (222) [system] get_char((0x563acd73bee0), r)
   Call: (222) [system] r=(\)
   Fail: (222) [system] r=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _229032)
   Call: (223) [system] peek_char((0x563acd73bee0), _229966)
   Exit: (223) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (223) [user] is_delimiter('L')
   Call: (224) [system] char_type('L', space)
   Fail: (224) [system] char_type('L', space)
   Call: (224) [system] arg(_234686, v('(', ')', end_of_file), 'L')
   Fail: (224) [system] arg(_235618, v('(', ')', end_of_file), 'L')
^  Fail: (223) [user] is_delimiter('L')
   Call: (223) [system] ')'=='L'
   Fail: (223) [system] ')'=='L'
   Call: (223) [system] get_char((0x563acd73bee0), 'L')
   Exit: (223) [system] get_char((0x563acd73bee0), 'L')
   Call: (223) [system] 'L'=(\)
   Fail: (223) [system] 'L'=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _242968)
   Call: (224) [system] peek_char((0x563acd73bee0), _243902)
   Exit: (224) [system] peek_char((0x563acd73bee0), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Fail: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_248622, v('(', ')', end_of_file), i)
   Fail: (225) [system] arg(_249554, v('(', ')', end_of_file), i)
^  Fail: (224) [user] is_delimiter(i)
   Call: (224) [system] ')'==i
   Fail: (224) [system] ')'==i
   Call: (224) [system] get_char((0x563acd73bee0), i)
   Exit: (224) [system] get_char((0x563acd73bee0), i)
   Call: (224) [system] i=(\)
   Fail: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _256904)
   Call: (225) [system] peek_char((0x563acd73bee0), _257838)
   Exit: (225) [system] peek_char((0x563acd73bee0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_262558, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_263490, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x563acd73bee0), n)
   Exit: (225) [system] get_char((0x563acd73bee0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _270840)
   Call: (226) [system] peek_char((0x563acd73bee0), _271774)
   Exit: (226) [system] peek_char((0x563acd73bee0), k)
^  Call: (226) [user] is_delimiter(k)
   Call: (227) [system] char_type(k, space)
   Fail: (227) [system] char_type(k, space)
   Call: (227) [system] arg(_276494, v('(', ')', end_of_file), k)
   Fail: (227) [system] arg(_277426, v('(', ')', end_of_file), k)
^  Fail: (226) [user] is_delimiter(k)
   Call: (226) [system] ')'==k
   Fail: (226) [system] ')'==k
   Call: (226) [system] get_char((0x563acd73bee0), k)
   Exit: (226) [system] get_char((0x563acd73bee0), k)
   Call: (226) [system] k=(\)
   Fail: (226) [system] k=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _284776)
   Call: (227) [system] peek_char((0x563acd73bee0), _285710)
   Exit: (227) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _284776=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (226) [system] _270840=[k]
   Exit: (226) [system] [k]=[k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (225) [system] _256904=[n, k]
   Exit: (225) [system] [n, k]=[n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (224) [system] _242968=[i, n, k]
   Exit: (224) [system] [i, n, k]=[i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (223) [system] _229032=['L', i, n, k]
   Exit: (223) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (222) [system] _215096=[r, 'L', i, n, k]
   Exit: (222) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (221) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _179586)
^  Call: (222) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _308964)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_309916, _309918), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _308964), _309898, fail)), '$restore_trace'(_309916, _309918))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_309916, _309918))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _308964), _309898, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_308964)
   Fail: (223) [system] atomic(_308964)
   Call: (223) [system] atom_chars(_308964, ['O', r, 'L', i, n, k])
   Exit: (223) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (222) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (222) [system] integer('OrLink')
   Fail: (222) [system] integer('OrLink')
   Call: (222) [system] _179586='OrLink'
   Exit: (222) [system] 'OrLink'='OrLink'
^  Exit: (221) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (220) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (219) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (219) [user] read_list(')', (0x563acd73bee0), _323914)
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _325772)
   Exit: (221) [system] peek_char((0x563acd73bee0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x563acd73bee0), _335366)
   Exit: (221) [system] get_char((0x563acd73bee0), ' ')
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _338070)
   Exit: (222) [system] peek_char((0x563acd73bee0), 'C')
   Call: (222) [system] 'C'=(;)
   Fail: (222) [system] 'C'=(;)
   Call: (222) [system] 'C'=(/)
   Fail: (222) [system] 'C'=(/)
^  Call: (222) [user] is_like_space('C')
   Call: (223) [system] char_type('C', 'white')
   Fail: (223) [system] char_type('C', 'white')
   Call: (223) [system] char_type('C', end_of_line)
   Fail: (223) [system] char_type('C', end_of_line)
   Call: (223) [system] char_type('C', space)
   Fail: (223) [system] char_type('C', space)
   Call: (223) [system] char_type('C', cntrl)
   Fail: (223) [system] char_type('C', cntrl)
^  Fail: (222) [user] is_like_space('C')
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _355004)
   Exit: (220) [system] peek_char((0x563acd73bee0), 'C')
   Call: (220) [system] 'C'=')'
   Fail: (220) [system] 'C'=')'
   Call: (220) [system] 'C'=end_of_file
   Fail: (220) [system] 'C'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x563acd73bee0), _360574)
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _362432)
   Exit: (222) [system] peek_char((0x563acd73bee0), 'C')
   Call: (222) [system] 'C'=(;)
   Fail: (222) [system] 'C'=(;)
   Call: (222) [system] 'C'=(/)
   Fail: (222) [system] 'C'=(/)
^  Call: (222) [user] is_like_space('C')
   Call: (223) [system] char_type('C', 'white')
   Fail: (223) [system] char_type('C', 'white')
   Call: (223) [system] char_type('C', end_of_line)
   Fail: (223) [system] char_type('C', end_of_line)
   Call: (223) [system] char_type('C', space)
   Fail: (223) [system] char_type('C', space)
   Call: (223) [system] char_type('C', cntrl)
   Fail: (223) [system] char_type('C', cntrl)
^  Fail: (222) [user] is_like_space('C')
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] get_char((0x563acd73bee0), _378442)
   Exit: (221) [system] get_char((0x563acd73bee0), 'C')
   Call: (221) [system] 'C'='('
   Fail: (221) [system] 'C'='('
   Call: (221) [system] 'C'='['
   Fail: (221) [system] 'C'='['
   Call: (221) [system] 'C'='{'
   Fail: (221) [system] 'C'='{'
   Call: (221) [system] 'C'='"'
   Fail: (221) [system] 'C'='"'
   Call: (221) [system] 'C'=!
   Fail: (221) [system] 'C'=!
   Call: (221) [system] 'C'='\''
   Fail: (221) [system] 'C'='\''
   Call: (221) [system] 'C'='`'
   Fail: (221) [system] 'C'='`'
   Call: (221) [system] 'C'=end_of_file
   Fail: (221) [system] 'C'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x563acd73bee0), 'C', _360574)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _396084)
   Call: (223) [system] peek_char((0x563acd73bee0), _397018)
   Exit: (223) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _396084=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (222) [user] classify_and_convert_charseq(['C'], _360574)
^  Call: (223) [user] classify_and_convert_charseq_(['C'], _406302)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_407254, _407256), once(user:catch(read_from_chars(['C'], _406302), _407236, fail)), '$restore_trace'(_407254, _407256))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_407254, _407256))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _406302), _407236, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_406302)
   Fail: (224) [system] atomic(_406302)
   Call: (224) [system] atom_chars(_406302, ['C'])
   Exit: (224) [system] atom_chars('C', ['C'])
^  Exit: (223) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (223) [system] integer('C')
   Fail: (223) [system] integer('C')
   Call: (223) [system] _360574='C'
   Exit: (223) [system] 'C'='C'
^  Exit: (222) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (221) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (220) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (220) [user] read_list(')', (0x563acd73bee0), _421252)
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _423110)
   Exit: (222) [system] peek_char((0x563acd73bee0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x563acd73bee0), _432704)
   Exit: (222) [system] get_char((0x563acd73bee0), ' ')
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _435408)
   Exit: (223) [system] peek_char((0x563acd73bee0), 'D')
   Call: (223) [system] 'D'=(;)
   Fail: (223) [system] 'D'=(;)
   Call: (223) [system] 'D'=(/)
   Fail: (223) [system] 'D'=(/)
^  Call: (223) [user] is_like_space('D')
   Call: (224) [system] char_type('D', 'white')
   Fail: (224) [system] char_type('D', 'white')
   Call: (224) [system] char_type('D', end_of_line)
   Fail: (224) [system] char_type('D', end_of_line)
   Call: (224) [system] char_type('D', space)
   Fail: (224) [system] char_type('D', space)
   Call: (224) [system] char_type('D', cntrl)
   Fail: (224) [system] char_type('D', cntrl)
^  Fail: (223) [user] is_like_space('D')
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _452342)
   Exit: (221) [system] peek_char((0x563acd73bee0), 'D')
   Call: (221) [system] 'D'=')'
   Fail: (221) [system] 'D'=')'
   Call: (221) [system] 'D'=end_of_file
   Fail: (221) [system] 'D'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x563acd73bee0), _457912)
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _459770)
   Exit: (223) [system] peek_char((0x563acd73bee0), 'D')
   Call: (223) [system] 'D'=(;)
   Fail: (223) [system] 'D'=(;)
   Call: (223) [system] 'D'=(/)
   Fail: (223) [system] 'D'=(/)
^  Call: (223) [user] is_like_space('D')
   Call: (224) [system] char_type('D', 'white')
   Fail: (224) [system] char_type('D', 'white')
   Call: (224) [system] char_type('D', end_of_line)
   Fail: (224) [system] char_type('D', end_of_line)
   Call: (224) [system] char_type('D', space)
   Fail: (224) [system] char_type('D', space)
   Call: (224) [system] char_type('D', cntrl)
   Fail: (224) [system] char_type('D', cntrl)
^  Fail: (223) [user] is_like_space('D')
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] get_char((0x563acd73bee0), _475780)
   Exit: (222) [system] get_char((0x563acd73bee0), 'D')
   Call: (222) [system] 'D'='('
   Fail: (222) [system] 'D'='('
   Call: (222) [system] 'D'='['
   Fail: (222) [system] 'D'='['
   Call: (222) [system] 'D'='{'
   Fail: (222) [system] 'D'='{'
   Call: (222) [system] 'D'='"'
   Fail: (222) [system] 'D'='"'
   Call: (222) [system] 'D'=!
   Fail: (222) [system] 'D'=!
   Call: (222) [system] 'D'='\''
   Fail: (222) [system] 'D'='\''
   Call: (222) [system] 'D'='`'
   Fail: (222) [system] 'D'='`'
   Call: (222) [system] 'D'=end_of_file
   Fail: (222) [system] 'D'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x563acd73bee0), 'D', _457912)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _493422)
   Call: (224) [system] peek_char((0x563acd73bee0), _494356)
   Exit: (224) [system] peek_char((0x563acd73bee0), ')')
^  Call: (224) [user] is_delimiter(')')
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] arg(_499076, v('(', ')', end_of_file), ')')
   Exit: (225) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (224) [user] is_delimiter(')')
   Call: (224) [system] _493422=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (223) [user] classify_and_convert_charseq(['D'], _457912)
^  Call: (224) [user] classify_and_convert_charseq_(['D'], _505512)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_506464, _506466), once(user:catch(read_from_chars(['D'], _505512), _506446, fail)), '$restore_trace'(_506464, _506466))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_506464, _506466))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _505512), _506446, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_505512)
   Fail: (225) [system] atomic(_505512)
   Call: (225) [system] atom_chars(_505512, ['D'])
   Exit: (225) [system] atom_chars('D', ['D'])
^  Exit: (224) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (224) [system] integer('D')
   Fail: (224) [system] integer('D')
   Call: (224) [system] _457912='D'
   Exit: (224) [system] 'D'='D'
^  Exit: (223) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (222) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'D')
^  Exit: (221) [user] cont_sexpr(')', (0x563acd73bee0), 'D')
^  Call: (221) [user] read_list(')', (0x563acd73bee0), _520462)
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _522320)
   Exit: (223) [system] peek_char((0x563acd73bee0), ')')
   Call: (223) [system] ')'=(;)
   Fail: (223) [system] ')'=(;)
   Call: (223) [system] ')'=(/)
   Fail: (223) [system] ')'=(/)
^  Call: (223) [user] is_like_space(')')
   Call: (224) [system] char_type(')', 'white')
   Fail: (224) [system] char_type(')', 'white')
   Call: (224) [system] char_type(')', end_of_line)
   Fail: (224) [system] char_type(')', end_of_line)
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] char_type(')', cntrl)
   Fail: (224) [system] char_type(')', cntrl)
^  Fail: (223) [user] is_like_space(')')
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _538330)
   Exit: (222) [system] peek_char((0x563acd73bee0), ')')
   Call: (222) [system] ')'=')'
   Exit: (222) [system] ')'=')'
   Call: (222) [system] get_char((0x563acd73bee0), _542120)
   Exit: (222) [system] get_char((0x563acd73bee0), ')')
   Call: (222) [system] _520462=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_list(')', (0x563acd73bee0), [])
   Call: (221) [system] _421252=['D']
   Exit: (221) [system] ['D']=['D']
^  Exit: (220) [user] read_list(')', (0x563acd73bee0), ['D'])
   Call: (220) [system] _323914=['C', 'D']
   Exit: (220) [system] ['C', 'D']=['C', 'D']
^  Exit: (219) [user] read_list(')', (0x563acd73bee0), ['C', 'D'])
   Call: (219) [system] _134568=['OrLink', 'C', 'D']
   Exit: (219) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (218) [user] read_list(')', (0x563acd73bee0), ['OrLink', 'C', 'D'])
^  Exit: (217) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', 'C', 'D'])
^  Call: (217) [user] read_list(')', (0x563acd73bee0), _556002)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _557860)
   Exit: (219) [system] peek_char((0x563acd73bee0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x563acd73bee0), _567454)
   Exit: (219) [system] get_char((0x563acd73bee0), ' ')
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _570158)
   Exit: (220) [system] peek_char((0x563acd73bee0), 'E')
   Call: (220) [system] 'E'=(;)
   Fail: (220) [system] 'E'=(;)
   Call: (220) [system] 'E'=(/)
   Fail: (220) [system] 'E'=(/)
^  Call: (220) [user] is_like_space('E')
   Call: (221) [system] char_type('E', 'white')
   Fail: (221) [system] char_type('E', 'white')
   Call: (221) [system] char_type('E', end_of_line)
   Fail: (221) [system] char_type('E', end_of_line)
   Call: (221) [system] char_type('E', space)
   Fail: (221) [system] char_type('E', space)
   Call: (221) [system] char_type('E', cntrl)
   Fail: (221) [system] char_type('E', cntrl)
^  Fail: (220) [user] is_like_space('E')
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _587092)
   Exit: (218) [system] peek_char((0x563acd73bee0), 'E')
   Call: (218) [system] 'E'=')'
   Fail: (218) [system] 'E'=')'
   Call: (218) [system] 'E'=end_of_file
   Fail: (218) [system] 'E'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x563acd73bee0), _592662)
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _594520)
   Exit: (220) [system] peek_char((0x563acd73bee0), 'E')
   Call: (220) [system] 'E'=(;)
   Fail: (220) [system] 'E'=(;)
   Call: (220) [system] 'E'=(/)
   Fail: (220) [system] 'E'=(/)
^  Call: (220) [user] is_like_space('E')
   Call: (221) [system] char_type('E', 'white')
   Fail: (221) [system] char_type('E', 'white')
   Call: (221) [system] char_type('E', end_of_line)
   Fail: (221) [system] char_type('E', end_of_line)
   Call: (221) [system] char_type('E', space)
   Fail: (221) [system] char_type('E', space)
   Call: (221) [system] char_type('E', cntrl)
   Fail: (221) [system] char_type('E', cntrl)
^  Fail: (220) [user] is_like_space('E')
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] get_char((0x563acd73bee0), _610530)
   Exit: (219) [system] get_char((0x563acd73bee0), 'E')
   Call: (219) [system] 'E'='('
   Fail: (219) [system] 'E'='('
   Call: (219) [system] 'E'='['
   Fail: (219) [system] 'E'='['
   Call: (219) [system] 'E'='{'
   Fail: (219) [system] 'E'='{'
   Call: (219) [system] 'E'='"'
   Fail: (219) [system] 'E'='"'
   Call: (219) [system] 'E'=!
   Fail: (219) [system] 'E'=!
   Call: (219) [system] 'E'='\''
   Fail: (219) [system] 'E'='\''
   Call: (219) [system] 'E'='`'
   Fail: (219) [system] 'E'='`'
   Call: (219) [system] 'E'=end_of_file
   Fail: (219) [system] 'E'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x563acd73bee0), 'E', _592662)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _628172)
   Call: (221) [system] peek_char((0x563acd73bee0), _629106)
   Exit: (221) [system] peek_char((0x563acd73bee0), ')')
^  Call: (221) [user] is_delimiter(')')
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] arg(_633826, v('(', ')', end_of_file), ')')
   Exit: (222) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (221) [user] is_delimiter(')')
   Call: (221) [system] _628172=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (220) [user] classify_and_convert_charseq(['E'], _592662)
^  Call: (221) [user] classify_and_convert_charseq_(['E'], _640262)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_641214, _641216), once(user:catch(read_from_chars(['E'], _640262), _641196, fail)), '$restore_trace'(_641214, _641216))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_641214, _641216))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _640262), _641196, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_640262)
   Fail: (222) [system] atomic(_640262)
   Call: (222) [system] atom_chars(_640262, ['E'])
   Exit: (222) [system] atom_chars('E', ['E'])
^  Exit: (221) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (221) [system] integer('E')
   Fail: (221) [system] integer('E')
   Call: (221) [system] _592662='E'
   Exit: (221) [system] 'E'='E'
^  Exit: (220) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (219) [user] read_symbolic(')', (0x563acd73bee0), 'E', 'E')
^  Exit: (218) [user] cont_sexpr(')', (0x563acd73bee0), 'E')
^  Call: (218) [user] read_list(')', (0x563acd73bee0), _655212)
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _657070)
   Exit: (220) [system] peek_char((0x563acd73bee0), ')')
   Call: (220) [system] ')'=(;)
   Fail: (220) [system] ')'=(;)
   Call: (220) [system] ')'=(/)
   Fail: (220) [system] ')'=(/)
^  Call: (220) [user] is_like_space(')')
   Call: (221) [system] char_type(')', 'white')
   Fail: (221) [system] char_type(')', 'white')
   Call: (221) [system] char_type(')', end_of_line)
   Fail: (221) [system] char_type(')', end_of_line)
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] char_type(')', cntrl)
   Fail: (221) [system] char_type(')', cntrl)
^  Fail: (220) [user] is_like_space(')')
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _673080)
   Exit: (219) [system] peek_char((0x563acd73bee0), ')')
   Call: (219) [system] ')'=')'
   Exit: (219) [system] ')'=')'
   Call: (219) [system] get_char((0x563acd73bee0), _676870)
   Exit: (219) [system] get_char((0x563acd73bee0), ')')
   Call: (219) [system] _655212=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_list(')', (0x563acd73bee0), [])
   Call: (218) [system] _556002=['E']
   Exit: (218) [system] ['E']=['E']
^  Exit: (217) [user] read_list(')', (0x563acd73bee0), ['E'])
   Call: (217) [system] _97908=[['OrLink', 'C', 'D'], 'E']
   Exit: (217) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (216) [user] read_list(')', (0x563acd73bee0), [['OrLink', 'C', 'D'], 'E'])
   Call: (216) [system] _4994=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (216) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (215) [user] read_list(')', (0x563acd73bee0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (214) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (214) [user] read_list(')', (0x563acd73bee0), _690752)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _692610)
   Exit: (216) [system] peek_char((0x563acd73bee0), ')')
   Call: (216) [system] ')'=(;)
   Fail: (216) [system] ')'=(;)
   Call: (216) [system] ')'=(/)
   Fail: (216) [system] ')'=(/)
^  Call: (216) [user] is_like_space(')')
   Call: (217) [system] char_type(')', 'white')
   Fail: (217) [system] char_type(')', 'white')
   Call: (217) [system] char_type(')', end_of_line)
   Fail: (217) [system] char_type(')', end_of_line)
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] char_type(')', cntrl)
   Fail: (217) [system] char_type(')', cntrl)
^  Fail: (216) [user] is_like_space(')')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _708620)
   Exit: (215) [system] peek_char((0x563acd73bee0), ')')
   Call: (215) [system] ')'=')'
   Exit: (215) [system] ')'=')'
   Call: (215) [system] get_char((0x563acd73bee0), _712410)
   Exit: (215) [system] get_char((0x563acd73bee0), ')')
   Call: (215) [system] _690752=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_list(')', (0x563acd73bee0), [])
   Call: (214) [system] _4990=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (214) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (213) [user] read_list(')', (0x563acd73bee0), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (213) [system] _4984=['B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (213) [system] ['B', ['Implication', ['OrLink', 'C', 'D'], 'E']]=['B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (212) [user] read_list(')', (0x563acd73bee0), ['B', ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (212) [system] _4976=['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (212) [system] ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]=['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (211) [user] read_list(')', (0x563acd73bee0), ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (210) [user] cont_sexpr(')', (0x563acd73bee0), ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (210) [user] read_list(')', (0x563acd73bee0), _726292)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _728150)
   Exit: (212) [system] peek_char((0x563acd73bee0), ')')
   Call: (212) [system] ')'=(;)
   Fail: (212) [system] ')'=(;)
   Call: (212) [system] ')'=(/)
   Fail: (212) [system] ')'=(/)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Fail: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Fail: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
   Fail: (213) [system] char_type(')', cntrl)
^  Fail: (212) [user] is_like_space(')')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _744160)
   Exit: (211) [system] peek_char((0x563acd73bee0), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x563acd73bee0), _747950)
   Exit: (211) [system] get_char((0x563acd73bee0), ')')
   Call: (211) [system] _726292=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x563acd73bee0), [])
   Call: (210) [system] _4972=[['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (210) [system] [['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (209) [user] read_list(')', (0x563acd73bee0), [['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (209) [system] _4948=[['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (209) [system] [['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (208) [user] read_list(')', (0x563acd73bee0), [['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (208) [system] _4940=[:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (208) [system] [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (207) [user] read_list(')', (0x563acd73bee0), [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (206) [user] cont_sexpr(')', (0x563acd73bee0), [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (206) [user] read_list(')', (0x563acd73bee0), _761832)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _763690)
   Exit: (208) [system] peek_char((0x563acd73bee0), '\n')
   Call: (208) [system] '\n'=(;)
   Fail: (208) [system] '\n'=(;)
   Call: (208) [system] '\n'=(/)
   Fail: (208) [system] '\n'=(/)
^  Call: (208) [user] is_like_space('\n')
   Call: (209) [system] char_type('\n', 'white')
   Fail: (209) [system] char_type('\n', 'white')
   Call: (209) [system] char_type('\n', end_of_line)
   Exit: (209) [system] char_type('\n', end_of_line)
^  Exit: (208) [user] is_like_space('\n')
   Call: (208) [system] get_char((0x563acd73bee0), _775140)
   Exit: (208) [system] get_char((0x563acd73bee0), '\n')
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _777844)
   Exit: (209) [system] peek_char((0x563acd73bee0), '\t')
   Call: (209) [system] '\t'=(;)
   Fail: (209) [system] '\t'=(;)
   Call: (209) [system] '\t'=(/)
   Fail: (209) [system] '\t'=(/)
^  Call: (209) [user] is_like_space('\t')
   Call: (210) [system] char_type('\t', 'white')
   Exit: (210) [system] char_type('\t', 'white')
^  Exit: (209) [user] is_like_space('\t')
   Call: (209) [system] get_char((0x563acd73bee0), _787438)
   Exit: (209) [system] get_char((0x563acd73bee0), '\t')
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _790142)
   Exit: (210) [system] peek_char((0x563acd73bee0), '\t')
   Call: (210) [system] '\t'=(;)
   Fail: (210) [system] '\t'=(;)
   Call: (210) [system] '\t'=(/)
   Fail: (210) [system] '\t'=(/)
^  Call: (210) [user] is_like_space('\t')
   Call: (211) [system] char_type('\t', 'white')
   Exit: (211) [system] char_type('\t', 'white')
^  Exit: (210) [user] is_like_space('\t')
   Call: (210) [system] get_char((0x563acd73bee0), _799736)
   Exit: (210) [system] get_char((0x563acd73bee0), '\t')
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _802440)
   Exit: (211) [system] peek_char((0x563acd73bee0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x563acd73bee0), _812034)
   Exit: (211) [system] get_char((0x563acd73bee0), ' ')
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _814738)
   Exit: (212) [system] peek_char((0x563acd73bee0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _834444)
   Exit: (207) [system] peek_char((0x563acd73bee0), '(')
   Call: (207) [system] '('=')'
   Fail: (207) [system] '('=')'
   Call: (207) [system] '('=end_of_file
   Fail: (207) [system] '('=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x563acd73bee0), _840014)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _841872)
   Exit: (209) [system] peek_char((0x563acd73bee0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] get_char((0x563acd73bee0), _857882)
   Exit: (208) [system] get_char((0x563acd73bee0), '(')
   Call: (208) [system] '('='('
   Exit: (208) [system] '('='('
^  Call: (208) [user] read_list(')', (0x563acd73bee0), _840014)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _863452)
   Exit: (210) [system] peek_char((0x563acd73bee0), :)
   Call: (210) [system] (:)=(;)
   Fail: (210) [system] (:)=(;)
   Call: (210) [system] (:)=(/)
   Fail: (210) [system] (:)=(/)
^  Call: (210) [user] is_like_space(:)
   Call: (211) [system] char_type(:, 'white')
   Fail: (211) [system] char_type(:, 'white')
   Call: (211) [system] char_type(:, end_of_line)
   Fail: (211) [system] char_type(:, end_of_line)
   Call: (211) [system] char_type(:, space)
   Fail: (211) [system] char_type(:, space)
   Call: (211) [system] char_type(:, cntrl)
   Fail: (211) [system] char_type(:, cntrl)
^  Fail: (210) [user] is_like_space(:)
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _879462)
   Exit: (209) [system] peek_char((0x563acd73bee0), :)
   Call: (209) [system] (:)=')'
   Fail: (209) [system] (:)=')'
   Call: (209) [system] (:)=end_of_file
   Fail: (209) [system] (:)=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x563acd73bee0), _885032)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _886890)
   Exit: (211) [system] peek_char((0x563acd73bee0), :)
   Call: (211) [system] (:)=(;)
   Fail: (211) [system] (:)=(;)
   Call: (211) [system] (:)=(/)
   Fail: (211) [system] (:)=(/)
^  Call: (211) [user] is_like_space(:)
   Call: (212) [system] char_type(:, 'white')
   Fail: (212) [system] char_type(:, 'white')
   Call: (212) [system] char_type(:, end_of_line)
   Fail: (212) [system] char_type(:, end_of_line)
   Call: (212) [system] char_type(:, space)
   Fail: (212) [system] char_type(:, space)
   Call: (212) [system] char_type(:, cntrl)
   Fail: (212) [system] char_type(:, cntrl)
^  Fail: (211) [user] is_like_space(:)
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] get_char((0x563acd73bee0), _902900)
   Exit: (210) [system] get_char((0x563acd73bee0), :)
   Call: (210) [system] (:)='('
   Fail: (210) [system] (:)='('
   Call: (210) [system] (:)='['
   Fail: (210) [system] (:)='['
   Call: (210) [system] (:)='{'
   Fail: (210) [system] (:)='{'
   Call: (210) [system] (:)='"'
   Fail: (210) [system] (:)='"'
   Call: (210) [system] (:)=!
   Fail: (210) [system] (:)=!
   Call: (210) [system] (:)='\''
   Fail: (210) [system] (:)='\''
   Call: (210) [system] (:)='`'
   Fail: (210) [system] (:)='`'
   Call: (210) [system] (:)=end_of_file
   Fail: (210) [system] (:)=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x563acd73bee0), :, _885032)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _920542)
   Call: (212) [system] peek_char((0x563acd73bee0), _921476)
   Exit: (212) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _920542=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (211) [user] classify_and_convert_charseq([:], _885032)
^  Call: (212) [user] classify_and_convert_charseq_([:], _930760)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_931712, _931714), once(user:catch(read_from_chars([:], _930760), _931694, fail)), '$restore_trace'(_931712, _931714))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_931712, _931714))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _931694, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(:)
   Exit: (213) [system] atomic(:)
^  Exit: (212) [user] classify_and_convert_charseq_([:], :)
   Call: (212) [system] integer(:)
   Fail: (212) [system] integer(:)
   Call: (212) [system] _885032=(:)
   Exit: (212) [system] (:)=(:)
^  Exit: (211) [user] classify_and_convert_charseq([:], :)
^  Exit: (210) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (209) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (209) [user] read_list(')', (0x563acd73bee0), _943840)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _945698)
   Exit: (211) [system] peek_char((0x563acd73bee0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x563acd73bee0), _955292)
   Exit: (211) [system] get_char((0x563acd73bee0), ' ')
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _957996)
   Exit: (212) [system] peek_char((0x563acd73bee0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _974930)
   Exit: (210) [system] peek_char((0x563acd73bee0), '(')
   Call: (210) [system] '('=')'
   Fail: (210) [system] '('=')'
   Call: (210) [system] '('=end_of_file
   Fail: (210) [system] '('=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x563acd73bee0), _980500)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _982358)
   Exit: (212) [system] peek_char((0x563acd73bee0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] get_char((0x563acd73bee0), _998368)
   Exit: (211) [system] get_char((0x563acd73bee0), '(')
   Call: (211) [system] '('='('
   Exit: (211) [system] '('='('
^  Call: (211) [user] read_list(')', (0x563acd73bee0), _980500)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1003938)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'C')
   Call: (213) [system] 'C'=(;)
   Fail: (213) [system] 'C'=(;)
   Call: (213) [system] 'C'=(/)
   Fail: (213) [system] 'C'=(/)
^  Call: (213) [user] is_like_space('C')
   Call: (214) [system] char_type('C', 'white')
   Fail: (214) [system] char_type('C', 'white')
   Call: (214) [system] char_type('C', end_of_line)
   Fail: (214) [system] char_type('C', end_of_line)
   Call: (214) [system] char_type('C', space)
   Fail: (214) [system] char_type('C', space)
   Call: (214) [system] char_type('C', cntrl)
   Fail: (214) [system] char_type('C', cntrl)
^  Fail: (213) [user] is_like_space('C')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1019948)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'C')
   Call: (212) [system] 'C'=')'
   Fail: (212) [system] 'C'=')'
   Call: (212) [system] 'C'=end_of_file
   Fail: (212) [system] 'C'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x563acd73bee0), _1025518)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1027376)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'C')
   Call: (214) [system] 'C'=(;)
   Fail: (214) [system] 'C'=(;)
   Call: (214) [system] 'C'=(/)
   Fail: (214) [system] 'C'=(/)
^  Call: (214) [user] is_like_space('C')
   Call: (215) [system] char_type('C', 'white')
   Fail: (215) [system] char_type('C', 'white')
   Call: (215) [system] char_type('C', end_of_line)
   Fail: (215) [system] char_type('C', end_of_line)
   Call: (215) [system] char_type('C', space)
   Fail: (215) [system] char_type('C', space)
   Call: (215) [system] char_type('C', cntrl)
   Fail: (215) [system] char_type('C', cntrl)
^  Fail: (214) [user] is_like_space('C')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] get_char((0x563acd73bee0), _1043386)
   Exit: (213) [system] get_char((0x563acd73bee0), 'C')
   Call: (213) [system] 'C'='('
   Fail: (213) [system] 'C'='('
   Call: (213) [system] 'C'='['
   Fail: (213) [system] 'C'='['
   Call: (213) [system] 'C'='{'
   Fail: (213) [system] 'C'='{'
   Call: (213) [system] 'C'='"'
   Fail: (213) [system] 'C'='"'
   Call: (213) [system] 'C'=!
   Fail: (213) [system] 'C'=!
   Call: (213) [system] 'C'='\''
   Fail: (213) [system] 'C'='\''
   Call: (213) [system] 'C'='`'
   Fail: (213) [system] 'C'='`'
   Call: (213) [system] 'C'=end_of_file
   Fail: (213) [system] 'C'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x563acd73bee0), 'C', _1025518)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _1061028)
   Call: (215) [system] peek_char((0x563acd73bee0), _1061962)
   Exit: (215) [system] peek_char((0x563acd73bee0), o)
^  Call: (215) [user] is_delimiter(o)
   Call: (216) [system] char_type(o, space)
   Fail: (216) [system] char_type(o, space)
   Call: (216) [system] arg(_1066682, v('(', ')', end_of_file), o)
   Fail: (216) [system] arg(_1067614, v('(', ')', end_of_file), o)
^  Fail: (215) [user] is_delimiter(o)
   Call: (215) [system] ')'==o
   Fail: (215) [system] ')'==o
   Call: (215) [system] get_char((0x563acd73bee0), o)
   Exit: (215) [system] get_char((0x563acd73bee0), o)
   Call: (215) [system] o=(\)
   Fail: (215) [system] o=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _1074964)
   Call: (216) [system] peek_char((0x563acd73bee0), _1075898)
   Exit: (216) [system] peek_char((0x563acd73bee0), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_1080618, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_1081550, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x563acd73bee0), n)
   Exit: (216) [system] get_char((0x563acd73bee0), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _1088900)
   Call: (217) [system] peek_char((0x563acd73bee0), _1089834)
   Exit: (217) [system] peek_char((0x563acd73bee0), j)
^  Call: (217) [user] is_delimiter(j)
   Call: (218) [system] char_type(j, space)
   Fail: (218) [system] char_type(j, space)
   Call: (218) [system] arg(_1094554, v('(', ')', end_of_file), j)
   Fail: (218) [system] arg(_1095486, v('(', ')', end_of_file), j)
^  Fail: (217) [user] is_delimiter(j)
   Call: (217) [system] ')'==j
   Fail: (217) [system] ')'==j
   Call: (217) [system] get_char((0x563acd73bee0), j)
   Exit: (217) [system] get_char((0x563acd73bee0), j)
   Call: (217) [system] j=(\)
   Fail: (217) [system] j=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _1102836)
   Call: (218) [system] peek_char((0x563acd73bee0), _1103770)
   Exit: (218) [system] peek_char((0x563acd73bee0), u)
^  Call: (218) [user] is_delimiter(u)
   Call: (219) [system] char_type(u, space)
   Fail: (219) [system] char_type(u, space)
   Call: (219) [system] arg(_1108490, v('(', ')', end_of_file), u)
   Fail: (219) [system] arg(_1109422, v('(', ')', end_of_file), u)
^  Fail: (218) [user] is_delimiter(u)
   Call: (218) [system] ')'==u
   Fail: (218) [system] ')'==u
   Call: (218) [system] get_char((0x563acd73bee0), u)
   Exit: (218) [system] get_char((0x563acd73bee0), u)
   Call: (218) [system] u=(\)
   Fail: (218) [system] u=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _1116772)
   Call: (219) [system] peek_char((0x563acd73bee0), _1117706)
   Exit: (219) [system] peek_char((0x563acd73bee0), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_1122426, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_1123358, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x563acd73bee0), n)
   Exit: (219) [system] get_char((0x563acd73bee0), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _1130708)
   Call: (220) [system] peek_char((0x563acd73bee0), _1131642)
   Exit: (220) [system] peek_char((0x563acd73bee0), c)
^  Call: (220) [user] is_delimiter(c)
   Call: (221) [system] char_type(c, space)
   Fail: (221) [system] char_type(c, space)
   Call: (221) [system] arg(_1136362, v('(', ')', end_of_file), c)
   Fail: (221) [system] arg(_1137294, v('(', ')', end_of_file), c)
^  Fail: (220) [user] is_delimiter(c)
   Call: (220) [system] ')'==c
   Fail: (220) [system] ')'==c
   Call: (220) [system] get_char((0x563acd73bee0), c)
   Exit: (220) [system] get_char((0x563acd73bee0), c)
   Call: (220) [system] c=(\)
   Fail: (220) [system] c=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _1144644)
   Call: (221) [system] peek_char((0x563acd73bee0), _1145578)
   Exit: (221) [system] peek_char((0x563acd73bee0), t)
^  Call: (221) [user] is_delimiter(t)
   Call: (222) [system] char_type(t, space)
   Fail: (222) [system] char_type(t, space)
   Call: (222) [system] arg(_1150298, v('(', ')', end_of_file), t)
   Fail: (222) [system] arg(_1151230, v('(', ')', end_of_file), t)
^  Fail: (221) [user] is_delimiter(t)
   Call: (221) [system] ')'==t
   Fail: (221) [system] ')'==t
   Call: (221) [system] get_char((0x563acd73bee0), t)
   Exit: (221) [system] get_char((0x563acd73bee0), t)
   Call: (221) [system] t=(\)
   Fail: (221) [system] t=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _1158580)
   Call: (222) [system] peek_char((0x563acd73bee0), _1159514)
   Exit: (222) [system] peek_char((0x563acd73bee0), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_1164234, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_1165166, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x563acd73bee0), i)
   Exit: (222) [system] get_char((0x563acd73bee0), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _1172516)
   Call: (223) [system] peek_char((0x563acd73bee0), _1173450)
   Exit: (223) [system] peek_char((0x563acd73bee0), o)
^  Call: (223) [user] is_delimiter(o)
   Call: (224) [system] char_type(o, space)
   Fail: (224) [system] char_type(o, space)
   Call: (224) [system] arg(_1178170, v('(', ')', end_of_file), o)
   Fail: (224) [system] arg(_1179102, v('(', ')', end_of_file), o)
^  Fail: (223) [user] is_delimiter(o)
   Call: (223) [system] ')'==o
   Fail: (223) [system] ')'==o
   Call: (223) [system] get_char((0x563acd73bee0), o)
   Exit: (223) [system] get_char((0x563acd73bee0), o)
   Call: (223) [system] o=(\)
   Fail: (223) [system] o=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _1186452)
   Call: (224) [system] peek_char((0x563acd73bee0), _1187386)
   Exit: (224) [system] peek_char((0x563acd73bee0), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_1192106, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_1193038, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x563acd73bee0), n)
   Exit: (224) [system] get_char((0x563acd73bee0), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _1200388)
   Call: (225) [system] peek_char((0x563acd73bee0), _1201322)
   Exit: (225) [system] peek_char((0x563acd73bee0), 'I')
^  Call: (225) [user] is_delimiter('I')
   Call: (226) [system] char_type('I', space)
   Fail: (226) [system] char_type('I', space)
   Call: (226) [system] arg(_1206042, v('(', ')', end_of_file), 'I')
   Fail: (226) [system] arg(_1206974, v('(', ')', end_of_file), 'I')
^  Fail: (225) [user] is_delimiter('I')
   Call: (225) [system] ')'=='I'
   Fail: (225) [system] ')'=='I'
   Call: (225) [system] get_char((0x563acd73bee0), 'I')
   Exit: (225) [system] get_char((0x563acd73bee0), 'I')
   Call: (225) [system] 'I'=(\)
   Fail: (225) [system] 'I'=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _1214324)
   Call: (226) [system] peek_char((0x563acd73bee0), _1215258)
   Exit: (226) [system] peek_char((0x563acd73bee0), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_1219978, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_1220910, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x563acd73bee0), n)
   Exit: (226) [system] get_char((0x563acd73bee0), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _1228260)
   Call: (227) [system] peek_char((0x563acd73bee0), _1229194)
   Exit: (227) [system] peek_char((0x563acd73bee0), t)
^  Call: (227) [user] is_delimiter(t)
   Call: (228) [system] char_type(t, space)
   Fail: (228) [system] char_type(t, space)
   Call: (228) [system] arg(_1233914, v('(', ')', end_of_file), t)
   Fail: (228) [system] arg(_1234846, v('(', ')', end_of_file), t)
^  Fail: (227) [user] is_delimiter(t)
   Call: (227) [system] ')'==t
   Fail: (227) [system] ')'==t
   Call: (227) [system] get_char((0x563acd73bee0), t)
   Exit: (227) [system] get_char((0x563acd73bee0), t)
   Call: (227) [system] t=(\)
   Fail: (227) [system] t=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _1242196)
   Call: (228) [system] peek_char((0x563acd73bee0), _1243130)
   Exit: (228) [system] peek_char((0x563acd73bee0), r)
^  Call: (228) [user] is_delimiter(r)
   Call: (229) [system] char_type(r, space)
   Fail: (229) [system] char_type(r, space)
   Call: (229) [system] arg(_1247850, v('(', ')', end_of_file), r)
   Fail: (229) [system] arg(_1248782, v('(', ')', end_of_file), r)
^  Fail: (228) [user] is_delimiter(r)
   Call: (228) [system] ')'==r
   Fail: (228) [system] ')'==r
   Call: (228) [system] get_char((0x563acd73bee0), r)
   Exit: (228) [system] get_char((0x563acd73bee0), r)
   Call: (228) [system] r=(\)
   Fail: (228) [system] r=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _1256132)
   Call: (229) [system] peek_char((0x563acd73bee0), _1257066)
   Exit: (229) [system] peek_char((0x563acd73bee0), o)
^  Call: (229) [user] is_delimiter(o)
   Call: (230) [system] char_type(o, space)
   Fail: (230) [system] char_type(o, space)
   Call: (230) [system] arg(_1261786, v('(', ')', end_of_file), o)
   Fail: (230) [system] arg(_1262718, v('(', ')', end_of_file), o)
^  Fail: (229) [user] is_delimiter(o)
   Call: (229) [system] ')'==o
   Fail: (229) [system] ')'==o
   Call: (229) [system] get_char((0x563acd73bee0), o)
   Exit: (229) [system] get_char((0x563acd73bee0), o)
   Call: (229) [system] o=(\)
   Fail: (229) [system] o=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _1270068)
   Call: (230) [system] peek_char((0x563acd73bee0), _1271002)
   Exit: (230) [system] peek_char((0x563acd73bee0), d)
^  Call: (230) [user] is_delimiter(d)
   Call: (231) [system] char_type(d, space)
   Fail: (231) [system] char_type(d, space)
   Call: (231) [system] arg(_1275722, v('(', ')', end_of_file), d)
   Fail: (231) [system] arg(_1276654, v('(', ')', end_of_file), d)
^  Fail: (230) [user] is_delimiter(d)
   Call: (230) [system] ')'==d
   Fail: (230) [system] ')'==d
   Call: (230) [system] get_char((0x563acd73bee0), d)
   Exit: (230) [system] get_char((0x563acd73bee0), d)
   Call: (230) [system] d=(\)
   Fail: (230) [system] d=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _1284004)
   Call: (231) [system] peek_char((0x563acd73bee0), _1284938)
   Exit: (231) [system] peek_char((0x563acd73bee0), u)
^  Call: (231) [user] is_delimiter(u)
   Call: (232) [system] char_type(u, space)
   Fail: (232) [system] char_type(u, space)
   Call: (232) [system] arg(_1289658, v('(', ')', end_of_file), u)
   Fail: (232) [system] arg(_1290590, v('(', ')', end_of_file), u)
^  Fail: (231) [user] is_delimiter(u)
   Call: (231) [system] ')'==u
   Fail: (231) [system] ')'==u
   Call: (231) [system] get_char((0x563acd73bee0), u)
   Exit: (231) [system] get_char((0x563acd73bee0), u)
   Call: (231) [system] u=(\)
   Fail: (231) [system] u=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _1297940)
   Call: (232) [system] peek_char((0x563acd73bee0), _1298874)
   Exit: (232) [system] peek_char((0x563acd73bee0), c)
^  Call: (232) [user] is_delimiter(c)
   Call: (233) [system] char_type(c, space)
   Fail: (233) [system] char_type(c, space)
   Call: (233) [system] arg(_1303594, v('(', ')', end_of_file), c)
   Fail: (233) [system] arg(_1304526, v('(', ')', end_of_file), c)
^  Fail: (232) [user] is_delimiter(c)
   Call: (232) [system] ')'==c
   Fail: (232) [system] ')'==c
   Call: (232) [system] get_char((0x563acd73bee0), c)
   Exit: (232) [system] get_char((0x563acd73bee0), c)
   Call: (232) [system] c=(\)
   Fail: (232) [system] c=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _1311876)
   Call: (233) [system] peek_char((0x563acd73bee0), _1312810)
   Exit: (233) [system] peek_char((0x563acd73bee0), t)
^  Call: (233) [user] is_delimiter(t)
   Call: (234) [system] char_type(t, space)
   Fail: (234) [system] char_type(t, space)
   Call: (234) [system] arg(_1317530, v('(', ')', end_of_file), t)
   Fail: (234) [system] arg(_1318462, v('(', ')', end_of_file), t)
^  Fail: (233) [user] is_delimiter(t)
   Call: (233) [system] ')'==t
   Fail: (233) [system] ')'==t
   Call: (233) [system] get_char((0x563acd73bee0), t)
   Exit: (233) [system] get_char((0x563acd73bee0), t)
   Call: (233) [system] t=(\)
   Fail: (233) [system] t=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), _1325812)
   Call: (234) [system] peek_char((0x563acd73bee0), _1326746)
   Exit: (234) [system] peek_char((0x563acd73bee0), i)
^  Call: (234) [user] is_delimiter(i)
   Call: (235) [system] char_type(i, space)
   Fail: (235) [system] char_type(i, space)
   Call: (235) [system] arg(_1331466, v('(', ')', end_of_file), i)
   Fail: (235) [system] arg(_1332398, v('(', ')', end_of_file), i)
^  Fail: (234) [user] is_delimiter(i)
   Call: (234) [system] ')'==i
   Fail: (234) [system] ')'==i
   Call: (234) [system] get_char((0x563acd73bee0), i)
   Exit: (234) [system] get_char((0x563acd73bee0), i)
   Call: (234) [system] i=(\)
   Fail: (234) [system] i=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), _1339748)
   Call: (235) [system] peek_char((0x563acd73bee0), _1340682)
   Exit: (235) [system] peek_char((0x563acd73bee0), o)
^  Call: (235) [user] is_delimiter(o)
   Call: (236) [system] char_type(o, space)
   Fail: (236) [system] char_type(o, space)
   Call: (236) [system] arg(_1345402, v('(', ')', end_of_file), o)
   Fail: (236) [system] arg(_1346334, v('(', ')', end_of_file), o)
^  Fail: (235) [user] is_delimiter(o)
   Call: (235) [system] ')'==o
   Fail: (235) [system] ')'==o
   Call: (235) [system] get_char((0x563acd73bee0), o)
   Exit: (235) [system] get_char((0x563acd73bee0), o)
   Call: (235) [system] o=(\)
   Fail: (235) [system] o=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), _1353684)
   Call: (236) [system] peek_char((0x563acd73bee0), _1354618)
   Exit: (236) [system] peek_char((0x563acd73bee0), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Fail: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_1359338, v('(', ')', end_of_file), n)
   Fail: (237) [system] arg(_1360270, v('(', ')', end_of_file), n)
^  Fail: (236) [user] is_delimiter(n)
   Call: (236) [system] ')'==n
   Fail: (236) [system] ')'==n
   Call: (236) [system] get_char((0x563acd73bee0), n)
   Exit: (236) [system] get_char((0x563acd73bee0), n)
   Call: (236) [system] n=(\)
   Fail: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), _1367620)
   Call: (237) [system] peek_char((0x563acd73bee0), _1368554)
   Exit: (237) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (237) [user] is_delimiter(' ')
   Call: (238) [system] char_type(' ', space)
   Exit: (238) [system] char_type(' ', space)
^  Exit: (237) [user] is_delimiter(' ')
   Call: (237) [system] _1367620=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (236) [system] _1353684=[n]
   Exit: (236) [system] [n]=[n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (235) [system] _1339748=[o, n]
   Exit: (235) [system] [o, n]=[o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (234) [system] _1325812=[i, o, n]
   Exit: (234) [system] [i, o, n]=[i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (233) [system] _1311876=[t, i, o, n]
   Exit: (233) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (232) [system] _1297940=[c, t, i, o, n]
   Exit: (232) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n])
   Call: (231) [system] _1284004=[u, c, t, i, o, n]
   Exit: (231) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, i, o, n])
   Call: (230) [system] _1270068=[d, u, c, t, i, o, n]
   Exit: (230) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, u, c, t, i, o, n])
   Call: (229) [system] _1256132=[o, d, u, c, t, i, o, n]
   Exit: (229) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, d, u, c, t, i, o, n])
   Call: (228) [system] _1242196=[r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _1228260=[t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _1214324=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _1200388=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1186452=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1172516=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1158580=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1144644=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1130708=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1116772=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1102836=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1088900=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1074964=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1061028=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (214) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1025518)
^  Call: (215) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1439306)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_1440258, _1440260), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1439306), _1440240, fail)), '$restore_trace'(_1440258, _1440260))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_1440258, _1440260))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1439306), _1440240, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_1439306)
   Fail: (216) [system] atomic(_1439306)
   Call: (216) [system] atom_chars(_1439306, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (216) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (215) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
   Call: (215) [system] integer('ConjunctionIntroduction')
   Fail: (215) [system] integer('ConjunctionIntroduction')
   Call: (215) [system] _1025518='ConjunctionIntroduction'
   Exit: (215) [system] 'ConjunctionIntroduction'='ConjunctionIntroduction'
^  Exit: (214) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (213) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'ConjunctionIntroduction')
^  Exit: (212) [user] cont_sexpr(')', (0x563acd73bee0), 'ConjunctionIntroduction')
^  Call: (212) [user] read_list(')', (0x563acd73bee0), _1454256)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1456114)
   Exit: (214) [system] peek_char((0x563acd73bee0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x563acd73bee0), _1465708)
   Exit: (214) [system] get_char((0x563acd73bee0), ' ')
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1468412)
   Exit: (215) [system] peek_char((0x563acd73bee0), a)
   Call: (215) [system] a=(;)
   Fail: (215) [system] a=(;)
   Call: (215) [system] a=(/)
   Fail: (215) [system] a=(/)
^  Call: (215) [user] is_like_space(a)
   Call: (216) [system] char_type(a, 'white')
   Fail: (216) [system] char_type(a, 'white')
   Call: (216) [system] char_type(a, end_of_line)
   Fail: (216) [system] char_type(a, end_of_line)
   Call: (216) [system] char_type(a, space)
   Fail: (216) [system] char_type(a, space)
   Call: (216) [system] char_type(a, cntrl)
   Fail: (216) [system] char_type(a, cntrl)
^  Fail: (215) [user] is_like_space(a)
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1485346)
   Exit: (213) [system] peek_char((0x563acd73bee0), a)
   Call: (213) [system] a=')'
   Fail: (213) [system] a=')'
   Call: (213) [system] a=end_of_file
   Fail: (213) [system] a=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x563acd73bee0), _1490916)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1492774)
   Exit: (215) [system] peek_char((0x563acd73bee0), a)
   Call: (215) [system] a=(;)
   Fail: (215) [system] a=(;)
   Call: (215) [system] a=(/)
   Fail: (215) [system] a=(/)
^  Call: (215) [user] is_like_space(a)
   Call: (216) [system] char_type(a, 'white')
   Fail: (216) [system] char_type(a, 'white')
   Call: (216) [system] char_type(a, end_of_line)
   Fail: (216) [system] char_type(a, end_of_line)
   Call: (216) [system] char_type(a, space)
   Fail: (216) [system] char_type(a, space)
   Call: (216) [system] char_type(a, cntrl)
   Fail: (216) [system] char_type(a, cntrl)
^  Fail: (215) [user] is_like_space(a)
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] get_char((0x563acd73bee0), _1508784)
   Exit: (214) [system] get_char((0x563acd73bee0), a)
   Call: (214) [system] a='('
   Fail: (214) [system] a='('
   Call: (214) [system] a='['
   Fail: (214) [system] a='['
   Call: (214) [system] a='{'
   Fail: (214) [system] a='{'
   Call: (214) [system] a='"'
   Fail: (214) [system] a='"'
   Call: (214) [system] a=!
   Fail: (214) [system] a=!
   Call: (214) [system] a='\''
   Fail: (214) [system] a='\''
   Call: (214) [system] a='`'
   Fail: (214) [system] a='`'
   Call: (214) [system] a=end_of_file
   Fail: (214) [system] a=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x563acd73bee0), a, _1490916)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _1526426)
   Call: (216) [system] peek_char((0x563acd73bee0), _1527360)
   Exit: (216) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _1526426=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (215) [user] classify_and_convert_charseq([a], _1490916)
^  Call: (216) [user] classify_and_convert_charseq_([a], _1536644)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1537596, _1537598), once(user:catch(read_from_chars([a], _1536644), _1537578, fail)), '$restore_trace'(_1537596, _1537598))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1537596, _1537598))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1537578, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(a)
   Exit: (217) [system] atomic(a)
^  Exit: (216) [user] classify_and_convert_charseq_([a], a)
   Call: (216) [system] integer(a)
   Fail: (216) [system] integer(a)
   Call: (216) [system] _1490916=a
   Exit: (216) [system] a=a
^  Exit: (215) [user] classify_and_convert_charseq([a], a)
^  Exit: (214) [user] read_symbolic(')', (0x563acd73bee0), a, a)
^  Exit: (213) [user] cont_sexpr(')', (0x563acd73bee0), a)
^  Call: (213) [user] read_list(')', (0x563acd73bee0), _1549724)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1551582)
   Exit: (215) [system] peek_char((0x563acd73bee0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x563acd73bee0), _1561176)
   Exit: (215) [system] get_char((0x563acd73bee0), ' ')
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1563880)
   Exit: (216) [system] peek_char((0x563acd73bee0), a)
   Call: (216) [system] a=(;)
   Fail: (216) [system] a=(;)
   Call: (216) [system] a=(/)
   Fail: (216) [system] a=(/)
^  Call: (216) [user] is_like_space(a)
   Call: (217) [system] char_type(a, 'white')
   Fail: (217) [system] char_type(a, 'white')
   Call: (217) [system] char_type(a, end_of_line)
   Fail: (217) [system] char_type(a, end_of_line)
   Call: (217) [system] char_type(a, space)
   Fail: (217) [system] char_type(a, space)
   Call: (217) [system] char_type(a, cntrl)
   Fail: (217) [system] char_type(a, cntrl)
^  Fail: (216) [user] is_like_space(a)
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1580814)
   Exit: (214) [system] peek_char((0x563acd73bee0), a)
   Call: (214) [system] a=')'
   Fail: (214) [system] a=')'
   Call: (214) [system] a=end_of_file
   Fail: (214) [system] a=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x563acd73bee0), _1586384)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1588242)
   Exit: (216) [system] peek_char((0x563acd73bee0), a)
   Call: (216) [system] a=(;)
   Fail: (216) [system] a=(;)
   Call: (216) [system] a=(/)
   Fail: (216) [system] a=(/)
^  Call: (216) [user] is_like_space(a)
   Call: (217) [system] char_type(a, 'white')
   Fail: (217) [system] char_type(a, 'white')
   Call: (217) [system] char_type(a, end_of_line)
   Fail: (217) [system] char_type(a, end_of_line)
   Call: (217) [system] char_type(a, space)
   Fail: (217) [system] char_type(a, space)
   Call: (217) [system] char_type(a, cntrl)
   Fail: (217) [system] char_type(a, cntrl)
^  Fail: (216) [user] is_like_space(a)
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] get_char((0x563acd73bee0), _1604252)
   Exit: (215) [system] get_char((0x563acd73bee0), a)
   Call: (215) [system] a='('
   Fail: (215) [system] a='('
   Call: (215) [system] a='['
   Fail: (215) [system] a='['
   Call: (215) [system] a='{'
   Fail: (215) [system] a='{'
   Call: (215) [system] a='"'
   Fail: (215) [system] a='"'
   Call: (215) [system] a=!
   Fail: (215) [system] a=!
   Call: (215) [system] a='\''
   Fail: (215) [system] a='\''
   Call: (215) [system] a='`'
   Fail: (215) [system] a='`'
   Call: (215) [system] a=end_of_file
   Fail: (215) [system] a=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x563acd73bee0), a, _1586384)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _1621894)
   Call: (217) [system] peek_char((0x563acd73bee0), _1622828)
   Exit: (217) [system] peek_char((0x563acd73bee0), ')')
^  Call: (217) [user] is_delimiter(')')
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] arg(_1627548, v('(', ')', end_of_file), ')')
   Exit: (218) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (217) [user] is_delimiter(')')
   Call: (217) [system] _1621894=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (216) [user] classify_and_convert_charseq([a], _1586384)
^  Call: (217) [user] classify_and_convert_charseq_([a], _1633984)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1634936, _1634938), once(user:catch(read_from_chars([a], _1633984), _1634918, fail)), '$restore_trace'(_1634936, _1634938))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1634936, _1634938))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1634918, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(a)
   Exit: (218) [system] atomic(a)
^  Exit: (217) [user] classify_and_convert_charseq_([a], a)
   Call: (217) [system] integer(a)
   Fail: (217) [system] integer(a)
   Call: (217) [system] _1586384=a
   Exit: (217) [system] a=a
^  Exit: (216) [user] classify_and_convert_charseq([a], a)
^  Exit: (215) [user] read_symbolic(')', (0x563acd73bee0), a, a)
^  Exit: (214) [user] cont_sexpr(')', (0x563acd73bee0), a)
^  Call: (214) [user] read_list(')', (0x563acd73bee0), _1647064)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1648922)
   Exit: (216) [system] peek_char((0x563acd73bee0), ')')
   Call: (216) [system] ')'=(;)
   Fail: (216) [system] ')'=(;)
   Call: (216) [system] ')'=(/)
   Fail: (216) [system] ')'=(/)
^  Call: (216) [user] is_like_space(')')
   Call: (217) [system] char_type(')', 'white')
   Fail: (217) [system] char_type(')', 'white')
   Call: (217) [system] char_type(')', end_of_line)
   Fail: (217) [system] char_type(')', end_of_line)
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] char_type(')', cntrl)
   Fail: (217) [system] char_type(')', cntrl)
^  Fail: (216) [user] is_like_space(')')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1664932)
   Exit: (215) [system] peek_char((0x563acd73bee0), ')')
   Call: (215) [system] ')'=')'
   Exit: (215) [system] ')'=')'
   Call: (215) [system] get_char((0x563acd73bee0), _1668722)
   Exit: (215) [system] get_char((0x563acd73bee0), ')')
   Call: (215) [system] _1647064=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_list(')', (0x563acd73bee0), [])
   Call: (214) [system] _1549724=[a]
   Exit: (214) [system] [a]=[a]
^  Exit: (213) [user] read_list(')', (0x563acd73bee0), [a])
   Call: (213) [system] _1454256=[a, a]
   Exit: (213) [system] [a, a]=[a, a]
^  Exit: (212) [user] read_list(')', (0x563acd73bee0), [a, a])
   Call: (212) [system] _980500=['ConjunctionIntroduction', a, a]
   Exit: (212) [system] ['ConjunctionIntroduction', a, a]=['ConjunctionIntroduction', a, a]
^  Exit: (211) [user] read_list(')', (0x563acd73bee0), ['ConjunctionIntroduction', a, a])
^  Exit: (210) [user] cont_sexpr(')', (0x563acd73bee0), ['ConjunctionIntroduction', a, a])
^  Call: (210) [user] read_list(')', (0x563acd73bee0), _1682604)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1684462)
   Exit: (212) [system] peek_char((0x563acd73bee0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x563acd73bee0), _1694056)
   Exit: (212) [system] get_char((0x563acd73bee0), ' ')
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1696760)
   Exit: (213) [system] peek_char((0x563acd73bee0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1713694)
   Exit: (211) [system] peek_char((0x563acd73bee0), '(')
   Call: (211) [system] '('=')'
   Fail: (211) [system] '('=')'
   Call: (211) [system] '('=end_of_file
   Fail: (211) [system] '('=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x563acd73bee0), _1719264)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1721122)
   Exit: (213) [system] peek_char((0x563acd73bee0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] get_char((0x563acd73bee0), _1737132)
   Exit: (212) [system] get_char((0x563acd73bee0), '(')
   Call: (212) [system] '('='('
   Exit: (212) [system] '('='('
^  Call: (212) [user] read_list(')', (0x563acd73bee0), _1719264)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1742702)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'A')
   Call: (214) [system] 'A'=(;)
   Fail: (214) [system] 'A'=(;)
   Call: (214) [system] 'A'=(/)
   Fail: (214) [system] 'A'=(/)
^  Call: (214) [user] is_like_space('A')
   Call: (215) [system] char_type('A', 'white')
   Fail: (215) [system] char_type('A', 'white')
   Call: (215) [system] char_type('A', end_of_line)
   Fail: (215) [system] char_type('A', end_of_line)
   Call: (215) [system] char_type('A', space)
   Fail: (215) [system] char_type('A', space)
   Call: (215) [system] char_type('A', cntrl)
   Fail: (215) [system] char_type('A', cntrl)
^  Fail: (214) [user] is_like_space('A')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1758712)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'A')
   Call: (213) [system] 'A'=')'
   Fail: (213) [system] 'A'=')'
   Call: (213) [system] 'A'=end_of_file
   Fail: (213) [system] 'A'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x563acd73bee0), _1764282)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1766140)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'A')
   Call: (215) [system] 'A'=(;)
   Fail: (215) [system] 'A'=(;)
   Call: (215) [system] 'A'=(/)
   Fail: (215) [system] 'A'=(/)
^  Call: (215) [user] is_like_space('A')
   Call: (216) [system] char_type('A', 'white')
   Fail: (216) [system] char_type('A', 'white')
   Call: (216) [system] char_type('A', end_of_line)
   Fail: (216) [system] char_type('A', end_of_line)
   Call: (216) [system] char_type('A', space)
   Fail: (216) [system] char_type('A', space)
   Call: (216) [system] char_type('A', cntrl)
   Fail: (216) [system] char_type('A', cntrl)
^  Fail: (215) [user] is_like_space('A')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] get_char((0x563acd73bee0), _1782150)
   Exit: (214) [system] get_char((0x563acd73bee0), 'A')
   Call: (214) [system] 'A'='('
   Fail: (214) [system] 'A'='('
   Call: (214) [system] 'A'='['
   Fail: (214) [system] 'A'='['
   Call: (214) [system] 'A'='{'
   Fail: (214) [system] 'A'='{'
   Call: (214) [system] 'A'='"'
   Fail: (214) [system] 'A'='"'
   Call: (214) [system] 'A'=!
   Fail: (214) [system] 'A'=!
   Call: (214) [system] 'A'='\''
   Fail: (214) [system] 'A'='\''
   Call: (214) [system] 'A'='`'
   Fail: (214) [system] 'A'='`'
   Call: (214) [system] 'A'=end_of_file
   Fail: (214) [system] 'A'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x563acd73bee0), 'A', _1764282)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _1799792)
   Call: (216) [system] peek_char((0x563acd73bee0), _1800726)
   Exit: (216) [system] peek_char((0x563acd73bee0), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_1805446, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_1806378, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x563acd73bee0), n)
   Exit: (216) [system] get_char((0x563acd73bee0), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _1813728)
   Call: (217) [system] peek_char((0x563acd73bee0), _1814662)
   Exit: (217) [system] peek_char((0x563acd73bee0), d)
^  Call: (217) [user] is_delimiter(d)
   Call: (218) [system] char_type(d, space)
   Fail: (218) [system] char_type(d, space)
   Call: (218) [system] arg(_1819382, v('(', ')', end_of_file), d)
   Fail: (218) [system] arg(_1820314, v('(', ')', end_of_file), d)
^  Fail: (217) [user] is_delimiter(d)
   Call: (217) [system] ')'==d
   Fail: (217) [system] ')'==d
   Call: (217) [system] get_char((0x563acd73bee0), d)
   Exit: (217) [system] get_char((0x563acd73bee0), d)
   Call: (217) [system] d=(\)
   Fail: (217) [system] d=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _1827664)
   Call: (218) [system] peek_char((0x563acd73bee0), _1828598)
   Exit: (218) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (218) [user] is_delimiter('L')
   Call: (219) [system] char_type('L', space)
   Fail: (219) [system] char_type('L', space)
   Call: (219) [system] arg(_1833318, v('(', ')', end_of_file), 'L')
   Fail: (219) [system] arg(_1834250, v('(', ')', end_of_file), 'L')
^  Fail: (218) [user] is_delimiter('L')
   Call: (218) [system] ')'=='L'
   Fail: (218) [system] ')'=='L'
   Call: (218) [system] get_char((0x563acd73bee0), 'L')
   Exit: (218) [system] get_char((0x563acd73bee0), 'L')
   Call: (218) [system] 'L'=(\)
   Fail: (218) [system] 'L'=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _1841600)
   Call: (219) [system] peek_char((0x563acd73bee0), _1842534)
   Exit: (219) [system] peek_char((0x563acd73bee0), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Fail: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_1847254, v('(', ')', end_of_file), i)
   Fail: (220) [system] arg(_1848186, v('(', ')', end_of_file), i)
^  Fail: (219) [user] is_delimiter(i)
   Call: (219) [system] ')'==i
   Fail: (219) [system] ')'==i
   Call: (219) [system] get_char((0x563acd73bee0), i)
   Exit: (219) [system] get_char((0x563acd73bee0), i)
   Call: (219) [system] i=(\)
   Fail: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _1855536)
   Call: (220) [system] peek_char((0x563acd73bee0), _1856470)
   Exit: (220) [system] peek_char((0x563acd73bee0), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_1861190, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_1862122, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x563acd73bee0), n)
   Exit: (220) [system] get_char((0x563acd73bee0), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _1869472)
   Call: (221) [system] peek_char((0x563acd73bee0), _1870406)
   Exit: (221) [system] peek_char((0x563acd73bee0), k)
^  Call: (221) [user] is_delimiter(k)
   Call: (222) [system] char_type(k, space)
   Fail: (222) [system] char_type(k, space)
   Call: (222) [system] arg(_1875126, v('(', ')', end_of_file), k)
   Fail: (222) [system] arg(_1876058, v('(', ')', end_of_file), k)
^  Fail: (221) [user] is_delimiter(k)
   Call: (221) [system] ')'==k
   Fail: (221) [system] ')'==k
   Call: (221) [system] get_char((0x563acd73bee0), k)
   Exit: (221) [system] get_char((0x563acd73bee0), k)
   Call: (221) [system] k=(\)
   Fail: (221) [system] k=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _1883408)
   Call: (222) [system] peek_char((0x563acd73bee0), _1884342)
   Exit: (222) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _1883408=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (221) [system] _1869472=[k]
   Exit: (221) [system] [k]=[k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (220) [system] _1855536=[n, k]
   Exit: (220) [system] [n, k]=[n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (219) [system] _1841600=[i, n, k]
   Exit: (219) [system] [i, n, k]=[i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (218) [system] _1827664=['L', i, n, k]
   Exit: (218) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (217) [system] _1813728=[d, 'L', i, n, k]
   Exit: (217) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, 'L', i, n, k])
   Call: (216) [system] _1799792=[n, d, 'L', i, n, k]
   Exit: (216) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, d, 'L', i, n, k])
^  Call: (215) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1764282)
^  Call: (216) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1910390)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1911342, _1911344), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1910390), _1911324, fail)), '$restore_trace'(_1911342, _1911344))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1911342, _1911344))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1910390), _1911324, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_1910390)
   Fail: (217) [system] atomic(_1910390)
   Call: (217) [system] atom_chars(_1910390, ['A', n, d, 'L', i, n, k])
   Exit: (217) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (216) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (216) [system] integer('AndLink')
   Fail: (216) [system] integer('AndLink')
   Call: (216) [system] _1764282='AndLink'
   Exit: (216) [system] 'AndLink'='AndLink'
^  Exit: (215) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (214) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'AndLink')
^  Exit: (213) [user] cont_sexpr(')', (0x563acd73bee0), 'AndLink')
^  Call: (213) [user] read_list(')', (0x563acd73bee0), _1925340)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1927198)
   Exit: (215) [system] peek_char((0x563acd73bee0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x563acd73bee0), _1936792)
   Exit: (215) [system] get_char((0x563acd73bee0), ' ')
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1939496)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'B')
   Call: (216) [system] 'B'=(;)
   Fail: (216) [system] 'B'=(;)
   Call: (216) [system] 'B'=(/)
   Fail: (216) [system] 'B'=(/)
^  Call: (216) [user] is_like_space('B')
   Call: (217) [system] char_type('B', 'white')
   Fail: (217) [system] char_type('B', 'white')
   Call: (217) [system] char_type('B', end_of_line)
   Fail: (217) [system] char_type('B', end_of_line)
   Call: (217) [system] char_type('B', space)
   Fail: (217) [system] char_type('B', space)
   Call: (217) [system] char_type('B', cntrl)
   Fail: (217) [system] char_type('B', cntrl)
^  Fail: (216) [user] is_like_space('B')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1956430)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'B')
   Call: (214) [system] 'B'=')'
   Fail: (214) [system] 'B'=')'
   Call: (214) [system] 'B'=end_of_file
   Fail: (214) [system] 'B'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x563acd73bee0), _1962000)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1963858)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'B')
   Call: (216) [system] 'B'=(;)
   Fail: (216) [system] 'B'=(;)
   Call: (216) [system] 'B'=(/)
   Fail: (216) [system] 'B'=(/)
^  Call: (216) [user] is_like_space('B')
   Call: (217) [system] char_type('B', 'white')
   Fail: (217) [system] char_type('B', 'white')
   Call: (217) [system] char_type('B', end_of_line)
   Fail: (217) [system] char_type('B', end_of_line)
   Call: (217) [system] char_type('B', space)
   Fail: (217) [system] char_type('B', space)
   Call: (217) [system] char_type('B', cntrl)
   Fail: (217) [system] char_type('B', cntrl)
^  Fail: (216) [user] is_like_space('B')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] get_char((0x563acd73bee0), _1979868)
   Exit: (215) [system] get_char((0x563acd73bee0), 'B')
   Call: (215) [system] 'B'='('
   Fail: (215) [system] 'B'='('
   Call: (215) [system] 'B'='['
   Fail: (215) [system] 'B'='['
   Call: (215) [system] 'B'='{'
   Fail: (215) [system] 'B'='{'
   Call: (215) [system] 'B'='"'
   Fail: (215) [system] 'B'='"'
   Call: (215) [system] 'B'=!
   Fail: (215) [system] 'B'=!
   Call: (215) [system] 'B'='\''
   Fail: (215) [system] 'B'='\''
   Call: (215) [system] 'B'='`'
   Fail: (215) [system] 'B'='`'
   Call: (215) [system] 'B'=end_of_file
   Fail: (215) [system] 'B'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x563acd73bee0), 'B', _1962000)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _1997510)
   Call: (217) [system] peek_char((0x563acd73bee0), _1998444)
   Exit: (217) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _1997510=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (216) [user] classify_and_convert_charseq(['B'], _1962000)
^  Call: (217) [user] classify_and_convert_charseq_(['B'], _2007728)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_2008680, _2008682), once(user:catch(read_from_chars(['B'], _2007728), _2008662, fail)), '$restore_trace'(_2008680, _2008682))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_2008680, _2008682))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _2007728), _2008662, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_2007728)
   Fail: (218) [system] atomic(_2007728)
   Call: (218) [system] atom_chars(_2007728, ['B'])
   Exit: (218) [system] atom_chars('B', ['B'])
^  Exit: (217) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (217) [system] integer('B')
   Fail: (217) [system] integer('B')
   Call: (217) [system] _1962000='B'
   Exit: (217) [system] 'B'='B'
^  Exit: (216) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (215) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (214) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (214) [user] read_list(')', (0x563acd73bee0), _2022678)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _2024536)
   Exit: (216) [system] peek_char((0x563acd73bee0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x563acd73bee0), _2034130)
   Exit: (216) [system] get_char((0x563acd73bee0), ' ')
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _2036834)
   Exit: (217) [system] peek_char((0x563acd73bee0), 'A')
   Call: (217) [system] 'A'=(;)
   Fail: (217) [system] 'A'=(;)
   Call: (217) [system] 'A'=(/)
   Fail: (217) [system] 'A'=(/)
^  Call: (217) [user] is_like_space('A')
   Call: (218) [system] char_type('A', 'white')
   Fail: (218) [system] char_type('A', 'white')
   Call: (218) [system] char_type('A', end_of_line)
   Fail: (218) [system] char_type('A', end_of_line)
   Call: (218) [system] char_type('A', space)
   Fail: (218) [system] char_type('A', space)
   Call: (218) [system] char_type('A', cntrl)
   Fail: (218) [system] char_type('A', cntrl)
^  Fail: (217) [user] is_like_space('A')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _2053768)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'A')
   Call: (215) [system] 'A'=')'
   Fail: (215) [system] 'A'=')'
   Call: (215) [system] 'A'=end_of_file
   Fail: (215) [system] 'A'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x563acd73bee0), _2059338)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _2061196)
   Exit: (217) [system] peek_char((0x563acd73bee0), 'A')
   Call: (217) [system] 'A'=(;)
   Fail: (217) [system] 'A'=(;)
   Call: (217) [system] 'A'=(/)
   Fail: (217) [system] 'A'=(/)
^  Call: (217) [user] is_like_space('A')
   Call: (218) [system] char_type('A', 'white')
   Fail: (218) [system] char_type('A', 'white')
   Call: (218) [system] char_type('A', end_of_line)
   Fail: (218) [system] char_type('A', end_of_line)
   Call: (218) [system] char_type('A', space)
   Fail: (218) [system] char_type('A', space)
   Call: (218) [system] char_type('A', cntrl)
   Fail: (218) [system] char_type('A', cntrl)
^  Fail: (217) [user] is_like_space('A')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] get_char((0x563acd73bee0), _2077206)
   Exit: (216) [system] get_char((0x563acd73bee0), 'A')
   Call: (216) [system] 'A'='('
   Fail: (216) [system] 'A'='('
   Call: (216) [system] 'A'='['
   Fail: (216) [system] 'A'='['
   Call: (216) [system] 'A'='{'
   Fail: (216) [system] 'A'='{'
   Call: (216) [system] 'A'='"'
   Fail: (216) [system] 'A'='"'
   Call: (216) [system] 'A'=!
   Fail: (216) [system] 'A'=!
   Call: (216) [system] 'A'='\''
   Fail: (216) [system] 'A'='\''
   Call: (216) [system] 'A'='`'
   Fail: (216) [system] 'A'='`'
   Call: (216) [system] 'A'=end_of_file
   Fail: (216) [system] 'A'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x563acd73bee0), 'A', _2059338)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _2094848)
   Call: (218) [system] peek_char((0x563acd73bee0), _2095782)
   Exit: (218) [system] peek_char((0x563acd73bee0), ')')
^  Call: (218) [user] is_delimiter(')')
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] arg(_8734, v('(', ')', end_of_file), ')')
   Exit: (219) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (218) [user] is_delimiter(')')
   Call: (218) [system] _5094=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (217) [user] classify_and_convert_charseq(['A'], _5090)
^  Call: (218) [user] classify_and_convert_charseq_(['A'], _15170)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_16122, _16124), once(user:catch(read_from_chars(['A'], _15170), _16104, fail)), '$restore_trace'(_16122, _16124))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_16122, _16124))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _15170), _16104, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_15170)
   Fail: (219) [system] atomic(_15170)
   Call: (219) [system] atom_chars(_15170, ['A'])
   Exit: (219) [system] atom_chars('A', ['A'])
^  Exit: (218) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (218) [system] integer('A')
   Fail: (218) [system] integer('A')
   Call: (218) [system] _5090='A'
   Exit: (218) [system] 'A'='A'
^  Exit: (217) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (216) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (215) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (215) [user] read_list(')', (0x563acd73bee0), _30120)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _31978)
   Exit: (217) [system] peek_char((0x563acd73bee0), ')')
   Call: (217) [system] ')'=(;)
   Fail: (217) [system] ')'=(;)
   Call: (217) [system] ')'=(/)
   Fail: (217) [system] ')'=(/)
^  Call: (217) [user] is_like_space(')')
   Call: (218) [system] char_type(')', 'white')
   Fail: (218) [system] char_type(')', 'white')
   Call: (218) [system] char_type(')', end_of_line)
   Fail: (218) [system] char_type(')', end_of_line)
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] char_type(')', cntrl)
   Fail: (218) [system] char_type(')', cntrl)
^  Fail: (217) [user] is_like_space(')')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _47988)
   Exit: (216) [system] peek_char((0x563acd73bee0), ')')
   Call: (216) [system] ')'=')'
   Exit: (216) [system] ')'=')'
   Call: (216) [system] get_char((0x563acd73bee0), _51778)
   Exit: (216) [system] get_char((0x563acd73bee0), ')')
   Call: (216) [system] _30120=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_list(')', (0x563acd73bee0), [])
   Call: (215) [system] _5086=['A']
   Exit: (215) [system] ['A']=['A']
^  Exit: (214) [user] read_list(')', (0x563acd73bee0), ['A'])
   Call: (214) [system] _5080=['B', 'A']
   Exit: (214) [system] ['B', 'A']=['B', 'A']
^  Exit: (213) [user] read_list(')', (0x563acd73bee0), ['B', 'A'])
   Call: (213) [system] _5072=['AndLink', 'B', 'A']
   Exit: (213) [system] ['AndLink', 'B', 'A']=['AndLink', 'B', 'A']
^  Exit: (212) [user] read_list(')', (0x563acd73bee0), ['AndLink', 'B', 'A'])
^  Exit: (211) [user] cont_sexpr(')', (0x563acd73bee0), ['AndLink', 'B', 'A'])
^  Call: (211) [user] read_list(')', (0x563acd73bee0), _65660)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _67518)
   Exit: (213) [system] peek_char((0x563acd73bee0), ')')
   Call: (213) [system] ')'=(;)
   Fail: (213) [system] ')'=(;)
   Call: (213) [system] ')'=(/)
   Fail: (213) [system] ')'=(/)
^  Call: (213) [user] is_like_space(')')
   Call: (214) [system] char_type(')', 'white')
   Fail: (214) [system] char_type(')', 'white')
   Call: (214) [system] char_type(')', end_of_line)
   Fail: (214) [system] char_type(')', end_of_line)
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] char_type(')', cntrl)
   Fail: (214) [system] char_type(')', cntrl)
^  Fail: (213) [user] is_like_space(')')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _83528)
   Exit: (212) [system] peek_char((0x563acd73bee0), ')')
   Call: (212) [system] ')'=')'
   Exit: (212) [system] ')'=')'
   Call: (212) [system] get_char((0x563acd73bee0), _87318)
   Exit: (212) [system] get_char((0x563acd73bee0), ')')
   Call: (212) [system] _65660=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_list(')', (0x563acd73bee0), [])
   Call: (211) [system] _5068=[['AndLink', 'B', 'A']]
   Exit: (211) [system] [['AndLink', 'B', 'A']]=[['AndLink', 'B', 'A']]
^  Exit: (210) [user] read_list(')', (0x563acd73bee0), [['AndLink', 'B', 'A']])
   Call: (210) [system] _5044=[['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']]
   Exit: (210) [system] [['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']]=[['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']]
^  Exit: (209) [user] read_list(')', (0x563acd73bee0), [['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']])
   Call: (209) [system] _5036=[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']]
   Exit: (209) [system] [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']]=[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']]
^  Exit: (208) [user] read_list(')', (0x563acd73bee0), [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']])
^  Exit: (207) [user] cont_sexpr(')', (0x563acd73bee0), [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']])
^  Call: (207) [user] read_list(')', (0x563acd73bee0), _101200)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _103058)
   Exit: (209) [system] peek_char((0x563acd73bee0), '\n')
   Call: (209) [system] '\n'=(;)
   Fail: (209) [system] '\n'=(;)
   Call: (209) [system] '\n'=(/)
   Fail: (209) [system] '\n'=(/)
^  Call: (209) [user] is_like_space('\n')
   Call: (210) [system] char_type('\n', 'white')
   Fail: (210) [system] char_type('\n', 'white')
   Call: (210) [system] char_type('\n', end_of_line)
   Exit: (210) [system] char_type('\n', end_of_line)
^  Exit: (209) [user] is_like_space('\n')
   Call: (209) [system] get_char((0x563acd73bee0), _114508)
   Exit: (209) [system] get_char((0x563acd73bee0), '\n')
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _117212)
   Exit: (210) [system] peek_char((0x563acd73bee0), '\t')
   Call: (210) [system] '\t'=(;)
   Fail: (210) [system] '\t'=(;)
   Call: (210) [system] '\t'=(/)
   Fail: (210) [system] '\t'=(/)
^  Call: (210) [user] is_like_space('\t')
   Call: (211) [system] char_type('\t', 'white')
   Exit: (211) [system] char_type('\t', 'white')
^  Exit: (210) [user] is_like_space('\t')
   Call: (210) [system] get_char((0x563acd73bee0), _126806)
   Exit: (210) [system] get_char((0x563acd73bee0), '\t')
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _129510)
   Exit: (211) [system] peek_char((0x563acd73bee0), '\t')
   Call: (211) [system] '\t'=(;)
   Fail: (211) [system] '\t'=(;)
   Call: (211) [system] '\t'=(/)
   Fail: (211) [system] '\t'=(/)
^  Call: (211) [user] is_like_space('\t')
   Call: (212) [system] char_type('\t', 'white')
   Exit: (212) [system] char_type('\t', 'white')
^  Exit: (211) [user] is_like_space('\t')
   Call: (211) [system] get_char((0x563acd73bee0), _139104)
   Exit: (211) [system] get_char((0x563acd73bee0), '\t')
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _141808)
   Exit: (212) [system] peek_char((0x563acd73bee0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x563acd73bee0), _151402)
   Exit: (212) [system] get_char((0x563acd73bee0), ' ')
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _154106)
   Exit: (213) [system] peek_char((0x563acd73bee0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _173812)
   Exit: (208) [system] peek_char((0x563acd73bee0), '(')
   Call: (208) [system] '('=')'
   Fail: (208) [system] '('=')'
   Call: (208) [system] '('=end_of_file
   Fail: (208) [system] '('=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x563acd73bee0), _179382)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _181240)
   Exit: (210) [system] peek_char((0x563acd73bee0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] get_char((0x563acd73bee0), _197250)
   Exit: (209) [system] get_char((0x563acd73bee0), '(')
   Call: (209) [system] '('='('
   Exit: (209) [system] '('='('
^  Call: (209) [user] read_list(')', (0x563acd73bee0), _179382)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _202820)
   Exit: (211) [system] peek_char((0x563acd73bee0), :)
   Call: (211) [system] (:)=(;)
   Fail: (211) [system] (:)=(;)
   Call: (211) [system] (:)=(/)
   Fail: (211) [system] (:)=(/)
^  Call: (211) [user] is_like_space(:)
   Call: (212) [system] char_type(:, 'white')
   Fail: (212) [system] char_type(:, 'white')
   Call: (212) [system] char_type(:, end_of_line)
   Fail: (212) [system] char_type(:, end_of_line)
   Call: (212) [system] char_type(:, space)
   Fail: (212) [system] char_type(:, space)
   Call: (212) [system] char_type(:, cntrl)
   Fail: (212) [system] char_type(:, cntrl)
^  Fail: (211) [user] is_like_space(:)
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _218830)
   Exit: (210) [system] peek_char((0x563acd73bee0), :)
   Call: (210) [system] (:)=')'
   Fail: (210) [system] (:)=')'
   Call: (210) [system] (:)=end_of_file
   Fail: (210) [system] (:)=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x563acd73bee0), _224400)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _226258)
   Exit: (212) [system] peek_char((0x563acd73bee0), :)
   Call: (212) [system] (:)=(;)
   Fail: (212) [system] (:)=(;)
   Call: (212) [system] (:)=(/)
   Fail: (212) [system] (:)=(/)
^  Call: (212) [user] is_like_space(:)
   Call: (213) [system] char_type(:, 'white')
   Fail: (213) [system] char_type(:, 'white')
   Call: (213) [system] char_type(:, end_of_line)
   Fail: (213) [system] char_type(:, end_of_line)
   Call: (213) [system] char_type(:, space)
   Fail: (213) [system] char_type(:, space)
   Call: (213) [system] char_type(:, cntrl)
   Fail: (213) [system] char_type(:, cntrl)
^  Fail: (212) [user] is_like_space(:)
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] get_char((0x563acd73bee0), _242268)
   Exit: (211) [system] get_char((0x563acd73bee0), :)
   Call: (211) [system] (:)='('
   Fail: (211) [system] (:)='('
   Call: (211) [system] (:)='['
   Fail: (211) [system] (:)='['
   Call: (211) [system] (:)='{'
   Fail: (211) [system] (:)='{'
   Call: (211) [system] (:)='"'
   Fail: (211) [system] (:)='"'
   Call: (211) [system] (:)=!
   Fail: (211) [system] (:)=!
   Call: (211) [system] (:)='\''
   Fail: (211) [system] (:)='\''
   Call: (211) [system] (:)='`'
   Fail: (211) [system] (:)='`'
   Call: (211) [system] (:)=end_of_file
   Fail: (211) [system] (:)=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x563acd73bee0), :, _224400)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _259910)
   Call: (213) [system] peek_char((0x563acd73bee0), _260844)
   Exit: (213) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (213) [user] is_delimiter(' ')
   Call: (214) [system] char_type(' ', space)
   Exit: (214) [system] char_type(' ', space)
^  Exit: (213) [user] is_delimiter(' ')
   Call: (213) [system] _259910=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (212) [user] classify_and_convert_charseq([:], _224400)
^  Call: (213) [user] classify_and_convert_charseq_([:], _270128)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_271080, _271082), once(user:catch(read_from_chars([:], _270128), _271062, fail)), '$restore_trace'(_271080, _271082))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_271080, _271082))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _271062, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(:)
   Exit: (214) [system] atomic(:)
^  Exit: (213) [user] classify_and_convert_charseq_([:], :)
   Call: (213) [system] integer(:)
   Fail: (213) [system] integer(:)
   Call: (213) [system] _224400=(:)
   Exit: (213) [system] (:)=(:)
^  Exit: (212) [user] classify_and_convert_charseq([:], :)
^  Exit: (211) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (210) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (210) [user] read_list(')', (0x563acd73bee0), _283208)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _285066)
   Exit: (212) [system] peek_char((0x563acd73bee0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x563acd73bee0), _294660)
   Exit: (212) [system] get_char((0x563acd73bee0), ' ')
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _297364)
   Exit: (213) [system] peek_char((0x563acd73bee0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _314298)
   Exit: (211) [system] peek_char((0x563acd73bee0), '(')
   Call: (211) [system] '('=')'
   Fail: (211) [system] '('=')'
   Call: (211) [system] '('=end_of_file
   Fail: (211) [system] '('=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x563acd73bee0), _319868)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _321726)
   Exit: (213) [system] peek_char((0x563acd73bee0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] get_char((0x563acd73bee0), _337736)
   Exit: (212) [system] get_char((0x563acd73bee0), '(')
   Call: (212) [system] '('='('
   Exit: (212) [system] '('='('
^  Call: (212) [user] read_list(')', (0x563acd73bee0), _319868)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _343306)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'C')
   Call: (214) [system] 'C'=(;)
   Fail: (214) [system] 'C'=(;)
   Call: (214) [system] 'C'=(/)
   Fail: (214) [system] 'C'=(/)
^  Call: (214) [user] is_like_space('C')
   Call: (215) [system] char_type('C', 'white')
   Fail: (215) [system] char_type('C', 'white')
   Call: (215) [system] char_type('C', end_of_line)
   Fail: (215) [system] char_type('C', end_of_line)
   Call: (215) [system] char_type('C', space)
   Fail: (215) [system] char_type('C', space)
   Call: (215) [system] char_type('C', cntrl)
   Fail: (215) [system] char_type('C', cntrl)
^  Fail: (214) [user] is_like_space('C')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _359316)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'C')
   Call: (213) [system] 'C'=')'
   Fail: (213) [system] 'C'=')'
   Call: (213) [system] 'C'=end_of_file
   Fail: (213) [system] 'C'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x563acd73bee0), _364886)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _366744)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'C')
   Call: (215) [system] 'C'=(;)
   Fail: (215) [system] 'C'=(;)
   Call: (215) [system] 'C'=(/)
   Fail: (215) [system] 'C'=(/)
^  Call: (215) [user] is_like_space('C')
   Call: (216) [system] char_type('C', 'white')
   Fail: (216) [system] char_type('C', 'white')
   Call: (216) [system] char_type('C', end_of_line)
   Fail: (216) [system] char_type('C', end_of_line)
   Call: (216) [system] char_type('C', space)
   Fail: (216) [system] char_type('C', space)
   Call: (216) [system] char_type('C', cntrl)
   Fail: (216) [system] char_type('C', cntrl)
^  Fail: (215) [user] is_like_space('C')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] get_char((0x563acd73bee0), _382754)
   Exit: (214) [system] get_char((0x563acd73bee0), 'C')
   Call: (214) [system] 'C'='('
   Fail: (214) [system] 'C'='('
   Call: (214) [system] 'C'='['
   Fail: (214) [system] 'C'='['
   Call: (214) [system] 'C'='{'
   Fail: (214) [system] 'C'='{'
   Call: (214) [system] 'C'='"'
   Fail: (214) [system] 'C'='"'
   Call: (214) [system] 'C'=!
   Fail: (214) [system] 'C'=!
   Call: (214) [system] 'C'='\''
   Fail: (214) [system] 'C'='\''
   Call: (214) [system] 'C'='`'
   Fail: (214) [system] 'C'='`'
   Call: (214) [system] 'C'=end_of_file
   Fail: (214) [system] 'C'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x563acd73bee0), 'C', _364886)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _400396)
   Call: (216) [system] peek_char((0x563acd73bee0), _401330)
   Exit: (216) [system] peek_char((0x563acd73bee0), o)
^  Call: (216) [user] is_delimiter(o)
   Call: (217) [system] char_type(o, space)
   Fail: (217) [system] char_type(o, space)
   Call: (217) [system] arg(_406050, v('(', ')', end_of_file), o)
   Fail: (217) [system] arg(_406982, v('(', ')', end_of_file), o)
^  Fail: (216) [user] is_delimiter(o)
   Call: (216) [system] ')'==o
   Fail: (216) [system] ')'==o
   Call: (216) [system] get_char((0x563acd73bee0), o)
   Exit: (216) [system] get_char((0x563acd73bee0), o)
   Call: (216) [system] o=(\)
   Fail: (216) [system] o=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _414332)
   Call: (217) [system] peek_char((0x563acd73bee0), _415266)
   Exit: (217) [system] peek_char((0x563acd73bee0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_419986, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_420918, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x563acd73bee0), n)
   Exit: (217) [system] get_char((0x563acd73bee0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _428268)
   Call: (218) [system] peek_char((0x563acd73bee0), _429202)
   Exit: (218) [system] peek_char((0x563acd73bee0), j)
^  Call: (218) [user] is_delimiter(j)
   Call: (219) [system] char_type(j, space)
   Fail: (219) [system] char_type(j, space)
   Call: (219) [system] arg(_433922, v('(', ')', end_of_file), j)
   Fail: (219) [system] arg(_434854, v('(', ')', end_of_file), j)
^  Fail: (218) [user] is_delimiter(j)
   Call: (218) [system] ')'==j
   Fail: (218) [system] ')'==j
   Call: (218) [system] get_char((0x563acd73bee0), j)
   Exit: (218) [system] get_char((0x563acd73bee0), j)
   Call: (218) [system] j=(\)
   Fail: (218) [system] j=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _442204)
   Call: (219) [system] peek_char((0x563acd73bee0), _443138)
   Exit: (219) [system] peek_char((0x563acd73bee0), u)
^  Call: (219) [user] is_delimiter(u)
   Call: (220) [system] char_type(u, space)
   Fail: (220) [system] char_type(u, space)
   Call: (220) [system] arg(_447858, v('(', ')', end_of_file), u)
   Fail: (220) [system] arg(_448790, v('(', ')', end_of_file), u)
^  Fail: (219) [user] is_delimiter(u)
   Call: (219) [system] ')'==u
   Fail: (219) [system] ')'==u
   Call: (219) [system] get_char((0x563acd73bee0), u)
   Exit: (219) [system] get_char((0x563acd73bee0), u)
   Call: (219) [system] u=(\)
   Fail: (219) [system] u=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _456140)
   Call: (220) [system] peek_char((0x563acd73bee0), _457074)
   Exit: (220) [system] peek_char((0x563acd73bee0), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_461794, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_462726, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x563acd73bee0), n)
   Exit: (220) [system] get_char((0x563acd73bee0), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _470076)
   Call: (221) [system] peek_char((0x563acd73bee0), _471010)
   Exit: (221) [system] peek_char((0x563acd73bee0), c)
^  Call: (221) [user] is_delimiter(c)
   Call: (222) [system] char_type(c, space)
   Fail: (222) [system] char_type(c, space)
   Call: (222) [system] arg(_475730, v('(', ')', end_of_file), c)
   Fail: (222) [system] arg(_476662, v('(', ')', end_of_file), c)
^  Fail: (221) [user] is_delimiter(c)
   Call: (221) [system] ')'==c
   Fail: (221) [system] ')'==c
   Call: (221) [system] get_char((0x563acd73bee0), c)
   Exit: (221) [system] get_char((0x563acd73bee0), c)
   Call: (221) [system] c=(\)
   Fail: (221) [system] c=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _484012)
   Call: (222) [system] peek_char((0x563acd73bee0), _484946)
   Exit: (222) [system] peek_char((0x563acd73bee0), t)
^  Call: (222) [user] is_delimiter(t)
   Call: (223) [system] char_type(t, space)
   Fail: (223) [system] char_type(t, space)
   Call: (223) [system] arg(_489666, v('(', ')', end_of_file), t)
   Fail: (223) [system] arg(_490598, v('(', ')', end_of_file), t)
^  Fail: (222) [user] is_delimiter(t)
   Call: (222) [system] ')'==t
   Fail: (222) [system] ')'==t
   Call: (222) [system] get_char((0x563acd73bee0), t)
   Exit: (222) [system] get_char((0x563acd73bee0), t)
   Call: (222) [system] t=(\)
   Fail: (222) [system] t=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _497948)
   Call: (223) [system] peek_char((0x563acd73bee0), _498882)
   Exit: (223) [system] peek_char((0x563acd73bee0), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Fail: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_503602, v('(', ')', end_of_file), i)
   Fail: (224) [system] arg(_504534, v('(', ')', end_of_file), i)
^  Fail: (223) [user] is_delimiter(i)
   Call: (223) [system] ')'==i
   Fail: (223) [system] ')'==i
   Call: (223) [system] get_char((0x563acd73bee0), i)
   Exit: (223) [system] get_char((0x563acd73bee0), i)
   Call: (223) [system] i=(\)
   Fail: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _511884)
   Call: (224) [system] peek_char((0x563acd73bee0), _512818)
   Exit: (224) [system] peek_char((0x563acd73bee0), o)
^  Call: (224) [user] is_delimiter(o)
   Call: (225) [system] char_type(o, space)
   Fail: (225) [system] char_type(o, space)
   Call: (225) [system] arg(_517538, v('(', ')', end_of_file), o)
   Fail: (225) [system] arg(_518470, v('(', ')', end_of_file), o)
^  Fail: (224) [user] is_delimiter(o)
   Call: (224) [system] ')'==o
   Fail: (224) [system] ')'==o
   Call: (224) [system] get_char((0x563acd73bee0), o)
   Exit: (224) [system] get_char((0x563acd73bee0), o)
   Call: (224) [system] o=(\)
   Fail: (224) [system] o=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _525820)
   Call: (225) [system] peek_char((0x563acd73bee0), _526754)
   Exit: (225) [system] peek_char((0x563acd73bee0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_531474, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_532406, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x563acd73bee0), n)
   Exit: (225) [system] get_char((0x563acd73bee0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _539756)
   Call: (226) [system] peek_char((0x563acd73bee0), _540690)
   Exit: (226) [system] peek_char((0x563acd73bee0), 'I')
^  Call: (226) [user] is_delimiter('I')
   Call: (227) [system] char_type('I', space)
   Fail: (227) [system] char_type('I', space)
   Call: (227) [system] arg(_545410, v('(', ')', end_of_file), 'I')
   Fail: (227) [system] arg(_546342, v('(', ')', end_of_file), 'I')
^  Fail: (226) [user] is_delimiter('I')
   Call: (226) [system] ')'=='I'
   Fail: (226) [system] ')'=='I'
   Call: (226) [system] get_char((0x563acd73bee0), 'I')
   Exit: (226) [system] get_char((0x563acd73bee0), 'I')
   Call: (226) [system] 'I'=(\)
   Fail: (226) [system] 'I'=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _553692)
   Call: (227) [system] peek_char((0x563acd73bee0), _554626)
   Exit: (227) [system] peek_char((0x563acd73bee0), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_559346, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_560278, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x563acd73bee0), n)
   Exit: (227) [system] get_char((0x563acd73bee0), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _567628)
   Call: (228) [system] peek_char((0x563acd73bee0), _568562)
   Exit: (228) [system] peek_char((0x563acd73bee0), t)
^  Call: (228) [user] is_delimiter(t)
   Call: (229) [system] char_type(t, space)
   Fail: (229) [system] char_type(t, space)
   Call: (229) [system] arg(_573282, v('(', ')', end_of_file), t)
   Fail: (229) [system] arg(_574214, v('(', ')', end_of_file), t)
^  Fail: (228) [user] is_delimiter(t)
   Call: (228) [system] ')'==t
   Fail: (228) [system] ')'==t
   Call: (228) [system] get_char((0x563acd73bee0), t)
   Exit: (228) [system] get_char((0x563acd73bee0), t)
   Call: (228) [system] t=(\)
   Fail: (228) [system] t=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _581564)
   Call: (229) [system] peek_char((0x563acd73bee0), _582498)
   Exit: (229) [system] peek_char((0x563acd73bee0), r)
^  Call: (229) [user] is_delimiter(r)
   Call: (230) [system] char_type(r, space)
   Fail: (230) [system] char_type(r, space)
   Call: (230) [system] arg(_587218, v('(', ')', end_of_file), r)
   Fail: (230) [system] arg(_588150, v('(', ')', end_of_file), r)
^  Fail: (229) [user] is_delimiter(r)
   Call: (229) [system] ')'==r
   Fail: (229) [system] ')'==r
   Call: (229) [system] get_char((0x563acd73bee0), r)
   Exit: (229) [system] get_char((0x563acd73bee0), r)
   Call: (229) [system] r=(\)
   Fail: (229) [system] r=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _595500)
   Call: (230) [system] peek_char((0x563acd73bee0), _596434)
   Exit: (230) [system] peek_char((0x563acd73bee0), o)
^  Call: (230) [user] is_delimiter(o)
   Call: (231) [system] char_type(o, space)
   Fail: (231) [system] char_type(o, space)
   Call: (231) [system] arg(_601154, v('(', ')', end_of_file), o)
   Fail: (231) [system] arg(_602086, v('(', ')', end_of_file), o)
^  Fail: (230) [user] is_delimiter(o)
   Call: (230) [system] ')'==o
   Fail: (230) [system] ')'==o
   Call: (230) [system] get_char((0x563acd73bee0), o)
   Exit: (230) [system] get_char((0x563acd73bee0), o)
   Call: (230) [system] o=(\)
   Fail: (230) [system] o=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _609436)
   Call: (231) [system] peek_char((0x563acd73bee0), _610370)
   Exit: (231) [system] peek_char((0x563acd73bee0), d)
^  Call: (231) [user] is_delimiter(d)
   Call: (232) [system] char_type(d, space)
   Fail: (232) [system] char_type(d, space)
   Call: (232) [system] arg(_615090, v('(', ')', end_of_file), d)
   Fail: (232) [system] arg(_616022, v('(', ')', end_of_file), d)
^  Fail: (231) [user] is_delimiter(d)
   Call: (231) [system] ')'==d
   Fail: (231) [system] ')'==d
   Call: (231) [system] get_char((0x563acd73bee0), d)
   Exit: (231) [system] get_char((0x563acd73bee0), d)
   Call: (231) [system] d=(\)
   Fail: (231) [system] d=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _623372)
   Call: (232) [system] peek_char((0x563acd73bee0), _624306)
   Exit: (232) [system] peek_char((0x563acd73bee0), u)
^  Call: (232) [user] is_delimiter(u)
   Call: (233) [system] char_type(u, space)
   Fail: (233) [system] char_type(u, space)
   Call: (233) [system] arg(_629026, v('(', ')', end_of_file), u)
   Fail: (233) [system] arg(_629958, v('(', ')', end_of_file), u)
^  Fail: (232) [user] is_delimiter(u)
   Call: (232) [system] ')'==u
   Fail: (232) [system] ')'==u
   Call: (232) [system] get_char((0x563acd73bee0), u)
   Exit: (232) [system] get_char((0x563acd73bee0), u)
   Call: (232) [system] u=(\)
   Fail: (232) [system] u=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _637308)
   Call: (233) [system] peek_char((0x563acd73bee0), _638242)
   Exit: (233) [system] peek_char((0x563acd73bee0), c)
^  Call: (233) [user] is_delimiter(c)
   Call: (234) [system] char_type(c, space)
   Fail: (234) [system] char_type(c, space)
   Call: (234) [system] arg(_642962, v('(', ')', end_of_file), c)
   Fail: (234) [system] arg(_643894, v('(', ')', end_of_file), c)
^  Fail: (233) [user] is_delimiter(c)
   Call: (233) [system] ')'==c
   Fail: (233) [system] ')'==c
   Call: (233) [system] get_char((0x563acd73bee0), c)
   Exit: (233) [system] get_char((0x563acd73bee0), c)
   Call: (233) [system] c=(\)
   Fail: (233) [system] c=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), _651244)
   Call: (234) [system] peek_char((0x563acd73bee0), _652178)
   Exit: (234) [system] peek_char((0x563acd73bee0), t)
^  Call: (234) [user] is_delimiter(t)
   Call: (235) [system] char_type(t, space)
   Fail: (235) [system] char_type(t, space)
   Call: (235) [system] arg(_656898, v('(', ')', end_of_file), t)
   Fail: (235) [system] arg(_657830, v('(', ')', end_of_file), t)
^  Fail: (234) [user] is_delimiter(t)
   Call: (234) [system] ')'==t
   Fail: (234) [system] ')'==t
   Call: (234) [system] get_char((0x563acd73bee0), t)
   Exit: (234) [system] get_char((0x563acd73bee0), t)
   Call: (234) [system] t=(\)
   Fail: (234) [system] t=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), _665180)
   Call: (235) [system] peek_char((0x563acd73bee0), _666114)
   Exit: (235) [system] peek_char((0x563acd73bee0), i)
^  Call: (235) [user] is_delimiter(i)
   Call: (236) [system] char_type(i, space)
   Fail: (236) [system] char_type(i, space)
   Call: (236) [system] arg(_670834, v('(', ')', end_of_file), i)
   Fail: (236) [system] arg(_671766, v('(', ')', end_of_file), i)
^  Fail: (235) [user] is_delimiter(i)
   Call: (235) [system] ')'==i
   Fail: (235) [system] ')'==i
   Call: (235) [system] get_char((0x563acd73bee0), i)
   Exit: (235) [system] get_char((0x563acd73bee0), i)
   Call: (235) [system] i=(\)
   Fail: (235) [system] i=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), _679116)
   Call: (236) [system] peek_char((0x563acd73bee0), _680050)
   Exit: (236) [system] peek_char((0x563acd73bee0), o)
^  Call: (236) [user] is_delimiter(o)
   Call: (237) [system] char_type(o, space)
   Fail: (237) [system] char_type(o, space)
   Call: (237) [system] arg(_684770, v('(', ')', end_of_file), o)
   Fail: (237) [system] arg(_685702, v('(', ')', end_of_file), o)
^  Fail: (236) [user] is_delimiter(o)
   Call: (236) [system] ')'==o
   Fail: (236) [system] ')'==o
   Call: (236) [system] get_char((0x563acd73bee0), o)
   Exit: (236) [system] get_char((0x563acd73bee0), o)
   Call: (236) [system] o=(\)
   Fail: (236) [system] o=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), _693052)
   Call: (237) [system] peek_char((0x563acd73bee0), _693986)
   Exit: (237) [system] peek_char((0x563acd73bee0), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Fail: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_698706, v('(', ')', end_of_file), n)
   Fail: (238) [system] arg(_699638, v('(', ')', end_of_file), n)
^  Fail: (237) [user] is_delimiter(n)
   Call: (237) [system] ')'==n
   Fail: (237) [system] ')'==n
   Call: (237) [system] get_char((0x563acd73bee0), n)
   Exit: (237) [system] get_char((0x563acd73bee0), n)
   Call: (237) [system] n=(\)
   Fail: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), _706988)
   Call: (238) [system] peek_char((0x563acd73bee0), _707922)
   Exit: (238) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (238) [user] is_delimiter(' ')
   Call: (239) [system] char_type(' ', space)
   Exit: (239) [system] char_type(' ', space)
^  Exit: (238) [user] is_delimiter(' ')
   Call: (238) [system] _706988=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (237) [system] _693052=[n]
   Exit: (237) [system] [n]=[n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (236) [system] _679116=[o, n]
   Exit: (236) [system] [o, n]=[o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (235) [system] _665180=[i, o, n]
   Exit: (235) [system] [i, o, n]=[i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (234) [system] _651244=[t, i, o, n]
   Exit: (234) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (233) [system] _637308=[c, t, i, o, n]
   Exit: (233) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n])
   Call: (232) [system] _623372=[u, c, t, i, o, n]
   Exit: (232) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, i, o, n])
   Call: (231) [system] _609436=[d, u, c, t, i, o, n]
   Exit: (231) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, u, c, t, i, o, n])
   Call: (230) [system] _595500=[o, d, u, c, t, i, o, n]
   Exit: (230) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, d, u, c, t, i, o, n])
   Call: (229) [system] _581564=[r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _567628=[t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _553692=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _539756=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _525820=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _511884=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _497948=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _484012=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _470076=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _456140=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _442204=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _428268=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _414332=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _400396=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (215) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _364886)
^  Call: (216) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _778674)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_779626, _779628), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _778674), _779608, fail)), '$restore_trace'(_779626, _779628))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_779626, _779628))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _778674), _779608, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_778674)
   Fail: (217) [system] atomic(_778674)
   Call: (217) [system] atom_chars(_778674, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (217) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (216) [user] classify_and_convert_charseq_(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
   Call: (216) [system] integer('ConjunctionIntroduction')
   Fail: (216) [system] integer('ConjunctionIntroduction')
   Call: (216) [system] _364886='ConjunctionIntroduction'
   Exit: (216) [system] 'ConjunctionIntroduction'='ConjunctionIntroduction'
^  Exit: (215) [user] classify_and_convert_charseq(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (214) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'ConjunctionIntroduction')
^  Exit: (213) [user] cont_sexpr(')', (0x563acd73bee0), 'ConjunctionIntroduction')
^  Call: (213) [user] read_list(')', (0x563acd73bee0), _793624)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _795482)
   Exit: (215) [system] peek_char((0x563acd73bee0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x563acd73bee0), _805076)
   Exit: (215) [system] get_char((0x563acd73bee0), ' ')
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _807780)
   Exit: (216) [system] peek_char((0x563acd73bee0), a)
   Call: (216) [system] a=(;)
   Fail: (216) [system] a=(;)
   Call: (216) [system] a=(/)
   Fail: (216) [system] a=(/)
^  Call: (216) [user] is_like_space(a)
   Call: (217) [system] char_type(a, 'white')
   Fail: (217) [system] char_type(a, 'white')
   Call: (217) [system] char_type(a, end_of_line)
   Fail: (217) [system] char_type(a, end_of_line)
   Call: (217) [system] char_type(a, space)
   Fail: (217) [system] char_type(a, space)
   Call: (217) [system] char_type(a, cntrl)
   Fail: (217) [system] char_type(a, cntrl)
^  Fail: (216) [user] is_like_space(a)
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _824714)
   Exit: (214) [system] peek_char((0x563acd73bee0), a)
   Call: (214) [system] a=')'
   Fail: (214) [system] a=')'
   Call: (214) [system] a=end_of_file
   Fail: (214) [system] a=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x563acd73bee0), _830284)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _832142)
   Exit: (216) [system] peek_char((0x563acd73bee0), a)
   Call: (216) [system] a=(;)
   Fail: (216) [system] a=(;)
   Call: (216) [system] a=(/)
   Fail: (216) [system] a=(/)
^  Call: (216) [user] is_like_space(a)
   Call: (217) [system] char_type(a, 'white')
   Fail: (217) [system] char_type(a, 'white')
   Call: (217) [system] char_type(a, end_of_line)
   Fail: (217) [system] char_type(a, end_of_line)
   Call: (217) [system] char_type(a, space)
   Fail: (217) [system] char_type(a, space)
   Call: (217) [system] char_type(a, cntrl)
   Fail: (217) [system] char_type(a, cntrl)
^  Fail: (216) [user] is_like_space(a)
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] get_char((0x563acd73bee0), _848152)
   Exit: (215) [system] get_char((0x563acd73bee0), a)
   Call: (215) [system] a='('
   Fail: (215) [system] a='('
   Call: (215) [system] a='['
   Fail: (215) [system] a='['
   Call: (215) [system] a='{'
   Fail: (215) [system] a='{'
   Call: (215) [system] a='"'
   Fail: (215) [system] a='"'
   Call: (215) [system] a=!
   Fail: (215) [system] a=!
   Call: (215) [system] a='\''
   Fail: (215) [system] a='\''
   Call: (215) [system] a='`'
   Fail: (215) [system] a='`'
   Call: (215) [system] a=end_of_file
   Fail: (215) [system] a=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x563acd73bee0), a, _830284)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _865794)
   Call: (217) [system] peek_char((0x563acd73bee0), _866728)
   Exit: (217) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _865794=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (216) [user] classify_and_convert_charseq([a], _830284)
^  Call: (217) [user] classify_and_convert_charseq_([a], _876012)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_876964, _876966), once(user:catch(read_from_chars([a], _876012), _876946, fail)), '$restore_trace'(_876964, _876966))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_876964, _876966))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _876946, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(a)
   Exit: (218) [system] atomic(a)
^  Exit: (217) [user] classify_and_convert_charseq_([a], a)
   Call: (217) [system] integer(a)
   Fail: (217) [system] integer(a)
   Call: (217) [system] _830284=a
   Exit: (217) [system] a=a
^  Exit: (216) [user] classify_and_convert_charseq([a], a)
^  Exit: (215) [user] read_symbolic(')', (0x563acd73bee0), a, a)
^  Exit: (214) [user] cont_sexpr(')', (0x563acd73bee0), a)
^  Call: (214) [user] read_list(')', (0x563acd73bee0), _889092)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _890950)
   Exit: (216) [system] peek_char((0x563acd73bee0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x563acd73bee0), _900544)
   Exit: (216) [system] get_char((0x563acd73bee0), ' ')
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _903248)
   Exit: (217) [system] peek_char((0x563acd73bee0), a)
   Call: (217) [system] a=(;)
   Fail: (217) [system] a=(;)
   Call: (217) [system] a=(/)
   Fail: (217) [system] a=(/)
^  Call: (217) [user] is_like_space(a)
   Call: (218) [system] char_type(a, 'white')
   Fail: (218) [system] char_type(a, 'white')
   Call: (218) [system] char_type(a, end_of_line)
   Fail: (218) [system] char_type(a, end_of_line)
   Call: (218) [system] char_type(a, space)
   Fail: (218) [system] char_type(a, space)
   Call: (218) [system] char_type(a, cntrl)
   Fail: (218) [system] char_type(a, cntrl)
^  Fail: (217) [user] is_like_space(a)
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _920182)
   Exit: (215) [system] peek_char((0x563acd73bee0), a)
   Call: (215) [system] a=')'
   Fail: (215) [system] a=')'
   Call: (215) [system] a=end_of_file
   Fail: (215) [system] a=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x563acd73bee0), _925752)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _927610)
   Exit: (217) [system] peek_char((0x563acd73bee0), a)
   Call: (217) [system] a=(;)
   Fail: (217) [system] a=(;)
   Call: (217) [system] a=(/)
   Fail: (217) [system] a=(/)
^  Call: (217) [user] is_like_space(a)
   Call: (218) [system] char_type(a, 'white')
   Fail: (218) [system] char_type(a, 'white')
   Call: (218) [system] char_type(a, end_of_line)
   Fail: (218) [system] char_type(a, end_of_line)
   Call: (218) [system] char_type(a, space)
   Fail: (218) [system] char_type(a, space)
   Call: (218) [system] char_type(a, cntrl)
   Fail: (218) [system] char_type(a, cntrl)
^  Fail: (217) [user] is_like_space(a)
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] get_char((0x563acd73bee0), _943620)
   Exit: (216) [system] get_char((0x563acd73bee0), a)
   Call: (216) [system] a='('
   Fail: (216) [system] a='('
   Call: (216) [system] a='['
   Fail: (216) [system] a='['
   Call: (216) [system] a='{'
   Fail: (216) [system] a='{'
   Call: (216) [system] a='"'
   Fail: (216) [system] a='"'
   Call: (216) [system] a=!
   Fail: (216) [system] a=!
   Call: (216) [system] a='\''
   Fail: (216) [system] a='\''
   Call: (216) [system] a='`'
   Fail: (216) [system] a='`'
   Call: (216) [system] a=end_of_file
   Fail: (216) [system] a=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x563acd73bee0), a, _925752)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _961262)
   Call: (218) [system] peek_char((0x563acd73bee0), _962196)
   Exit: (218) [system] peek_char((0x563acd73bee0), ')')
^  Call: (218) [user] is_delimiter(')')
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] arg(_966916, v('(', ')', end_of_file), ')')
   Exit: (219) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (218) [user] is_delimiter(')')
   Call: (218) [system] _961262=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (217) [user] classify_and_convert_charseq([a], _925752)
^  Call: (218) [user] classify_and_convert_charseq_([a], _973352)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_974304, _974306), once(user:catch(read_from_chars([a], _973352), _974286, fail)), '$restore_trace'(_974304, _974306))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_974304, _974306))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _974286, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(a)
   Exit: (219) [system] atomic(a)
^  Exit: (218) [user] classify_and_convert_charseq_([a], a)
   Call: (218) [system] integer(a)
   Fail: (218) [system] integer(a)
   Call: (218) [system] _925752=a
   Exit: (218) [system] a=a
^  Exit: (217) [user] classify_and_convert_charseq([a], a)
^  Exit: (216) [user] read_symbolic(')', (0x563acd73bee0), a, a)
^  Exit: (215) [user] cont_sexpr(')', (0x563acd73bee0), a)
^  Call: (215) [user] read_list(')', (0x563acd73bee0), _986432)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _988290)
   Exit: (217) [system] peek_char((0x563acd73bee0), ')')
   Call: (217) [system] ')'=(;)
   Fail: (217) [system] ')'=(;)
   Call: (217) [system] ')'=(/)
   Fail: (217) [system] ')'=(/)
^  Call: (217) [user] is_like_space(')')
   Call: (218) [system] char_type(')', 'white')
   Fail: (218) [system] char_type(')', 'white')
   Call: (218) [system] char_type(')', end_of_line)
   Fail: (218) [system] char_type(')', end_of_line)
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] char_type(')', cntrl)
   Fail: (218) [system] char_type(')', cntrl)
^  Fail: (217) [user] is_like_space(')')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1004300)
   Exit: (216) [system] peek_char((0x563acd73bee0), ')')
   Call: (216) [system] ')'=')'
   Exit: (216) [system] ')'=')'
   Call: (216) [system] get_char((0x563acd73bee0), _1008090)
   Exit: (216) [system] get_char((0x563acd73bee0), ')')
   Call: (216) [system] _986432=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_list(')', (0x563acd73bee0), [])
   Call: (215) [system] _889092=[a]
   Exit: (215) [system] [a]=[a]
^  Exit: (214) [user] read_list(')', (0x563acd73bee0), [a])
   Call: (214) [system] _793624=[a, a]
   Exit: (214) [system] [a, a]=[a, a]
^  Exit: (213) [user] read_list(')', (0x563acd73bee0), [a, a])
   Call: (213) [system] _319868=['ConjunctionIntroduction', a, a]
   Exit: (213) [system] ['ConjunctionIntroduction', a, a]=['ConjunctionIntroduction', a, a]
^  Exit: (212) [user] read_list(')', (0x563acd73bee0), ['ConjunctionIntroduction', a, a])
^  Exit: (211) [user] cont_sexpr(')', (0x563acd73bee0), ['ConjunctionIntroduction', a, a])
^  Call: (211) [user] read_list(')', (0x563acd73bee0), _1021972)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1023830)
   Exit: (213) [system] peek_char((0x563acd73bee0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x563acd73bee0), _1033424)
   Exit: (213) [system] get_char((0x563acd73bee0), ' ')
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1036128)
   Exit: (214) [system] peek_char((0x563acd73bee0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1053062)
   Exit: (212) [system] peek_char((0x563acd73bee0), '(')
   Call: (212) [system] '('=')'
   Fail: (212) [system] '('=')'
   Call: (212) [system] '('=end_of_file
   Fail: (212) [system] '('=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x563acd73bee0), _1058632)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1060490)
   Exit: (214) [system] peek_char((0x563acd73bee0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] get_char((0x563acd73bee0), _1076500)
   Exit: (213) [system] get_char((0x563acd73bee0), '(')
   Call: (213) [system] '('='('
   Exit: (213) [system] '('='('
^  Call: (213) [user] read_list(')', (0x563acd73bee0), _1058632)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1082070)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'A')
   Call: (215) [system] 'A'=(;)
   Fail: (215) [system] 'A'=(;)
   Call: (215) [system] 'A'=(/)
   Fail: (215) [system] 'A'=(/)
^  Call: (215) [user] is_like_space('A')
   Call: (216) [system] char_type('A', 'white')
   Fail: (216) [system] char_type('A', 'white')
   Call: (216) [system] char_type('A', end_of_line)
   Fail: (216) [system] char_type('A', end_of_line)
   Call: (216) [system] char_type('A', space)
   Fail: (216) [system] char_type('A', space)
   Call: (216) [system] char_type('A', cntrl)
   Fail: (216) [system] char_type('A', cntrl)
^  Fail: (215) [user] is_like_space('A')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1098080)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'A')
   Call: (214) [system] 'A'=')'
   Fail: (214) [system] 'A'=')'
   Call: (214) [system] 'A'=end_of_file
   Fail: (214) [system] 'A'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x563acd73bee0), _1103650)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1105508)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'A')
   Call: (216) [system] 'A'=(;)
   Fail: (216) [system] 'A'=(;)
   Call: (216) [system] 'A'=(/)
   Fail: (216) [system] 'A'=(/)
^  Call: (216) [user] is_like_space('A')
   Call: (217) [system] char_type('A', 'white')
   Fail: (217) [system] char_type('A', 'white')
   Call: (217) [system] char_type('A', end_of_line)
   Fail: (217) [system] char_type('A', end_of_line)
   Call: (217) [system] char_type('A', space)
   Fail: (217) [system] char_type('A', space)
   Call: (217) [system] char_type('A', cntrl)
   Fail: (217) [system] char_type('A', cntrl)
^  Fail: (216) [user] is_like_space('A')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] get_char((0x563acd73bee0), _1121518)
   Exit: (215) [system] get_char((0x563acd73bee0), 'A')
   Call: (215) [system] 'A'='('
   Fail: (215) [system] 'A'='('
   Call: (215) [system] 'A'='['
   Fail: (215) [system] 'A'='['
   Call: (215) [system] 'A'='{'
   Fail: (215) [system] 'A'='{'
   Call: (215) [system] 'A'='"'
   Fail: (215) [system] 'A'='"'
   Call: (215) [system] 'A'=!
   Fail: (215) [system] 'A'=!
   Call: (215) [system] 'A'='\''
   Fail: (215) [system] 'A'='\''
   Call: (215) [system] 'A'='`'
   Fail: (215) [system] 'A'='`'
   Call: (215) [system] 'A'=end_of_file
   Fail: (215) [system] 'A'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x563acd73bee0), 'A', _1103650)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _1139160)
   Call: (217) [system] peek_char((0x563acd73bee0), _1140094)
   Exit: (217) [system] peek_char((0x563acd73bee0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_1144814, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_1145746, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x563acd73bee0), n)
   Exit: (217) [system] get_char((0x563acd73bee0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _1153096)
   Call: (218) [system] peek_char((0x563acd73bee0), _1154030)
   Exit: (218) [system] peek_char((0x563acd73bee0), d)
^  Call: (218) [user] is_delimiter(d)
   Call: (219) [system] char_type(d, space)
   Fail: (219) [system] char_type(d, space)
   Call: (219) [system] arg(_1158750, v('(', ')', end_of_file), d)
   Fail: (219) [system] arg(_1159682, v('(', ')', end_of_file), d)
^  Fail: (218) [user] is_delimiter(d)
   Call: (218) [system] ')'==d
   Fail: (218) [system] ')'==d
   Call: (218) [system] get_char((0x563acd73bee0), d)
   Exit: (218) [system] get_char((0x563acd73bee0), d)
   Call: (218) [system] d=(\)
   Fail: (218) [system] d=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _1167032)
   Call: (219) [system] peek_char((0x563acd73bee0), _1167966)
   Exit: (219) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (219) [user] is_delimiter('L')
   Call: (220) [system] char_type('L', space)
   Fail: (220) [system] char_type('L', space)
   Call: (220) [system] arg(_1172686, v('(', ')', end_of_file), 'L')
   Fail: (220) [system] arg(_1173618, v('(', ')', end_of_file), 'L')
^  Fail: (219) [user] is_delimiter('L')
   Call: (219) [system] ')'=='L'
   Fail: (219) [system] ')'=='L'
   Call: (219) [system] get_char((0x563acd73bee0), 'L')
   Exit: (219) [system] get_char((0x563acd73bee0), 'L')
   Call: (219) [system] 'L'=(\)
   Fail: (219) [system] 'L'=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _1180968)
   Call: (220) [system] peek_char((0x563acd73bee0), _1181902)
   Exit: (220) [system] peek_char((0x563acd73bee0), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_1186622, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_1187554, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x563acd73bee0), i)
   Exit: (220) [system] get_char((0x563acd73bee0), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _1194904)
   Call: (221) [system] peek_char((0x563acd73bee0), _1195838)
   Exit: (221) [system] peek_char((0x563acd73bee0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_1200558, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_1201490, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x563acd73bee0), n)
   Exit: (221) [system] get_char((0x563acd73bee0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _1208840)
   Call: (222) [system] peek_char((0x563acd73bee0), _1209774)
   Exit: (222) [system] peek_char((0x563acd73bee0), k)
^  Call: (222) [user] is_delimiter(k)
   Call: (223) [system] char_type(k, space)
   Fail: (223) [system] char_type(k, space)
   Call: (223) [system] arg(_1214494, v('(', ')', end_of_file), k)
   Fail: (223) [system] arg(_1215426, v('(', ')', end_of_file), k)
^  Fail: (222) [user] is_delimiter(k)
   Call: (222) [system] ')'==k
   Fail: (222) [system] ')'==k
   Call: (222) [system] get_char((0x563acd73bee0), k)
   Exit: (222) [system] get_char((0x563acd73bee0), k)
   Call: (222) [system] k=(\)
   Fail: (222) [system] k=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _1222776)
   Call: (223) [system] peek_char((0x563acd73bee0), _1223710)
   Exit: (223) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _1222776=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (222) [system] _1208840=[k]
   Exit: (222) [system] [k]=[k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (221) [system] _1194904=[n, k]
   Exit: (221) [system] [n, k]=[n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (220) [system] _1180968=[i, n, k]
   Exit: (220) [system] [i, n, k]=[i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (219) [system] _1167032=['L', i, n, k]
   Exit: (219) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (218) [system] _1153096=[d, 'L', i, n, k]
   Exit: (218) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, 'L', i, n, k])
   Call: (217) [system] _1139160=[n, d, 'L', i, n, k]
   Exit: (217) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, d, 'L', i, n, k])
^  Call: (216) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1103650)
^  Call: (217) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1249758)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1250710, _1250712), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1249758), _1250692, fail)), '$restore_trace'(_1250710, _1250712))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1250710, _1250712))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1249758), _1250692, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_1249758)
   Fail: (218) [system] atomic(_1249758)
   Call: (218) [system] atom_chars(_1249758, ['A', n, d, 'L', i, n, k])
   Exit: (218) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (217) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (217) [system] integer('AndLink')
   Fail: (217) [system] integer('AndLink')
   Call: (217) [system] _1103650='AndLink'
   Exit: (217) [system] 'AndLink'='AndLink'
^  Exit: (216) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (215) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'AndLink')
^  Exit: (214) [user] cont_sexpr(')', (0x563acd73bee0), 'AndLink')
^  Call: (214) [user] read_list(')', (0x563acd73bee0), _1264708)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1266566)
   Exit: (216) [system] peek_char((0x563acd73bee0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x563acd73bee0), _1276160)
   Exit: (216) [system] get_char((0x563acd73bee0), ' ')
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1278864)
   Exit: (217) [system] peek_char((0x563acd73bee0), 'B')
   Call: (217) [system] 'B'=(;)
   Fail: (217) [system] 'B'=(;)
   Call: (217) [system] 'B'=(/)
   Fail: (217) [system] 'B'=(/)
^  Call: (217) [user] is_like_space('B')
   Call: (218) [system] char_type('B', 'white')
   Fail: (218) [system] char_type('B', 'white')
   Call: (218) [system] char_type('B', end_of_line)
   Fail: (218) [system] char_type('B', end_of_line)
   Call: (218) [system] char_type('B', space)
   Fail: (218) [system] char_type('B', space)
   Call: (218) [system] char_type('B', cntrl)
   Fail: (218) [system] char_type('B', cntrl)
^  Fail: (217) [user] is_like_space('B')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1295798)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'B')
   Call: (215) [system] 'B'=')'
   Fail: (215) [system] 'B'=')'
   Call: (215) [system] 'B'=end_of_file
   Fail: (215) [system] 'B'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x563acd73bee0), _1301368)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1303226)
   Exit: (217) [system] peek_char((0x563acd73bee0), 'B')
   Call: (217) [system] 'B'=(;)
   Fail: (217) [system] 'B'=(;)
   Call: (217) [system] 'B'=(/)
   Fail: (217) [system] 'B'=(/)
^  Call: (217) [user] is_like_space('B')
   Call: (218) [system] char_type('B', 'white')
   Fail: (218) [system] char_type('B', 'white')
   Call: (218) [system] char_type('B', end_of_line)
   Fail: (218) [system] char_type('B', end_of_line)
   Call: (218) [system] char_type('B', space)
   Fail: (218) [system] char_type('B', space)
   Call: (218) [system] char_type('B', cntrl)
   Fail: (218) [system] char_type('B', cntrl)
^  Fail: (217) [user] is_like_space('B')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] get_char((0x563acd73bee0), _1319236)
   Exit: (216) [system] get_char((0x563acd73bee0), 'B')
   Call: (216) [system] 'B'='('
   Fail: (216) [system] 'B'='('
   Call: (216) [system] 'B'='['
   Fail: (216) [system] 'B'='['
   Call: (216) [system] 'B'='{'
   Fail: (216) [system] 'B'='{'
   Call: (216) [system] 'B'='"'
   Fail: (216) [system] 'B'='"'
   Call: (216) [system] 'B'=!
   Fail: (216) [system] 'B'=!
   Call: (216) [system] 'B'='\''
   Fail: (216) [system] 'B'='\''
   Call: (216) [system] 'B'='`'
   Fail: (216) [system] 'B'='`'
   Call: (216) [system] 'B'=end_of_file
   Fail: (216) [system] 'B'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x563acd73bee0), 'B', _1301368)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _1336878)
   Call: (218) [system] peek_char((0x563acd73bee0), _1337812)
   Exit: (218) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _1336878=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (217) [user] classify_and_convert_charseq(['B'], _1301368)
^  Call: (218) [user] classify_and_convert_charseq_(['B'], _1347096)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_1348048, _1348050), once(user:catch(read_from_chars(['B'], _1347096), _1348030, fail)), '$restore_trace'(_1348048, _1348050))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_1348048, _1348050))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1347096), _1348030, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_1347096)
   Fail: (219) [system] atomic(_1347096)
   Call: (219) [system] atom_chars(_1347096, ['B'])
   Exit: (219) [system] atom_chars('B', ['B'])
^  Exit: (218) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (218) [system] integer('B')
   Fail: (218) [system] integer('B')
   Call: (218) [system] _1301368='B'
   Exit: (218) [system] 'B'='B'
^  Exit: (217) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (216) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (215) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (215) [user] read_list(')', (0x563acd73bee0), _1362046)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1363904)
   Exit: (217) [system] peek_char((0x563acd73bee0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x563acd73bee0), _1373498)
   Exit: (217) [system] get_char((0x563acd73bee0), ' ')
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _1376202)
   Exit: (218) [system] peek_char((0x563acd73bee0), 'B')
   Call: (218) [system] 'B'=(;)
   Fail: (218) [system] 'B'=(;)
   Call: (218) [system] 'B'=(/)
   Fail: (218) [system] 'B'=(/)
^  Call: (218) [user] is_like_space('B')
   Call: (219) [system] char_type('B', 'white')
   Fail: (219) [system] char_type('B', 'white')
   Call: (219) [system] char_type('B', end_of_line)
   Fail: (219) [system] char_type('B', end_of_line)
   Call: (219) [system] char_type('B', space)
   Fail: (219) [system] char_type('B', space)
   Call: (219) [system] char_type('B', cntrl)
   Fail: (219) [system] char_type('B', cntrl)
^  Fail: (218) [user] is_like_space('B')
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1393136)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'B')
   Call: (216) [system] 'B'=')'
   Fail: (216) [system] 'B'=')'
   Call: (216) [system] 'B'=end_of_file
   Fail: (216) [system] 'B'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x563acd73bee0), _1398706)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _1400564)
   Exit: (218) [system] peek_char((0x563acd73bee0), 'B')
   Call: (218) [system] 'B'=(;)
   Fail: (218) [system] 'B'=(;)
   Call: (218) [system] 'B'=(/)
   Fail: (218) [system] 'B'=(/)
^  Call: (218) [user] is_like_space('B')
   Call: (219) [system] char_type('B', 'white')
   Fail: (219) [system] char_type('B', 'white')
   Call: (219) [system] char_type('B', end_of_line)
   Fail: (219) [system] char_type('B', end_of_line)
   Call: (219) [system] char_type('B', space)
   Fail: (219) [system] char_type('B', space)
   Call: (219) [system] char_type('B', cntrl)
   Fail: (219) [system] char_type('B', cntrl)
^  Fail: (218) [user] is_like_space('B')
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] get_char((0x563acd73bee0), _1416574)
   Exit: (217) [system] get_char((0x563acd73bee0), 'B')
   Call: (217) [system] 'B'='('
   Fail: (217) [system] 'B'='('
   Call: (217) [system] 'B'='['
   Fail: (217) [system] 'B'='['
   Call: (217) [system] 'B'='{'
   Fail: (217) [system] 'B'='{'
   Call: (217) [system] 'B'='"'
   Fail: (217) [system] 'B'='"'
   Call: (217) [system] 'B'=!
   Fail: (217) [system] 'B'=!
   Call: (217) [system] 'B'='\''
   Fail: (217) [system] 'B'='\''
   Call: (217) [system] 'B'='`'
   Fail: (217) [system] 'B'='`'
   Call: (217) [system] 'B'=end_of_file
   Fail: (217) [system] 'B'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x563acd73bee0), 'B', _1398706)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _1434216)
   Call: (219) [system] peek_char((0x563acd73bee0), _1435150)
   Exit: (219) [system] peek_char((0x563acd73bee0), ')')
^  Call: (219) [user] is_delimiter(')')
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] arg(_1439870, v('(', ')', end_of_file), ')')
   Exit: (220) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (219) [user] is_delimiter(')')
   Call: (219) [system] _1434216=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (218) [user] classify_and_convert_charseq(['B'], _1398706)
^  Call: (219) [user] classify_and_convert_charseq_(['B'], _1446306)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_1447258, _1447260), once(user:catch(read_from_chars(['B'], _1446306), _1447240, fail)), '$restore_trace'(_1447258, _1447260))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_1447258, _1447260))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1446306), _1447240, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_1446306)
   Fail: (220) [system] atomic(_1446306)
   Call: (220) [system] atom_chars(_1446306, ['B'])
   Exit: (220) [system] atom_chars('B', ['B'])
^  Exit: (219) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (219) [system] integer('B')
   Fail: (219) [system] integer('B')
   Call: (219) [system] _1398706='B'
   Exit: (219) [system] 'B'='B'
^  Exit: (218) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (217) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (216) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (216) [user] read_list(')', (0x563acd73bee0), _1461256)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _1463114)
   Exit: (218) [system] peek_char((0x563acd73bee0), ')')
   Call: (218) [system] ')'=(;)
   Fail: (218) [system] ')'=(;)
   Call: (218) [system] ')'=(/)
   Fail: (218) [system] ')'=(/)
^  Call: (218) [user] is_like_space(')')
   Call: (219) [system] char_type(')', 'white')
   Fail: (219) [system] char_type(')', 'white')
   Call: (219) [system] char_type(')', end_of_line)
   Fail: (219) [system] char_type(')', end_of_line)
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] char_type(')', cntrl)
   Fail: (219) [system] char_type(')', cntrl)
^  Fail: (218) [user] is_like_space(')')
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1479124)
   Exit: (217) [system] peek_char((0x563acd73bee0), ')')
   Call: (217) [system] ')'=')'
   Exit: (217) [system] ')'=')'
   Call: (217) [system] get_char((0x563acd73bee0), _1482914)
   Exit: (217) [system] get_char((0x563acd73bee0), ')')
   Call: (217) [system] _1461256=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_list(')', (0x563acd73bee0), [])
   Call: (216) [system] _1362046=['B']
   Exit: (216) [system] ['B']=['B']
^  Exit: (215) [user] read_list(')', (0x563acd73bee0), ['B'])
   Call: (215) [system] _1264708=['B', 'B']
   Exit: (215) [system] ['B', 'B']=['B', 'B']
^  Exit: (214) [user] read_list(')', (0x563acd73bee0), ['B', 'B'])
   Call: (214) [system] _1058632=['AndLink', 'B', 'B']
   Exit: (214) [system] ['AndLink', 'B', 'B']=['AndLink', 'B', 'B']
^  Exit: (213) [user] read_list(')', (0x563acd73bee0), ['AndLink', 'B', 'B'])
^  Exit: (212) [user] cont_sexpr(')', (0x563acd73bee0), ['AndLink', 'B', 'B'])
^  Call: (212) [user] read_list(')', (0x563acd73bee0), _1496796)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1498654)
   Exit: (214) [system] peek_char((0x563acd73bee0), ')')
   Call: (214) [system] ')'=(;)
   Fail: (214) [system] ')'=(;)
   Call: (214) [system] ')'=(/)
   Fail: (214) [system] ')'=(/)
^  Call: (214) [user] is_like_space(')')
   Call: (215) [system] char_type(')', 'white')
   Fail: (215) [system] char_type(')', 'white')
   Call: (215) [system] char_type(')', end_of_line)
   Fail: (215) [system] char_type(')', end_of_line)
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] char_type(')', cntrl)
   Fail: (215) [system] char_type(')', cntrl)
^  Fail: (214) [user] is_like_space(')')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1514664)
   Exit: (213) [system] peek_char((0x563acd73bee0), ')')
   Call: (213) [system] ')'=')'
   Exit: (213) [system] ')'=')'
   Call: (213) [system] get_char((0x563acd73bee0), _1518454)
   Exit: (213) [system] get_char((0x563acd73bee0), ')')
   Call: (213) [system] _1496796=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_list(')', (0x563acd73bee0), [])
   Call: (212) [system] _1021972=[['AndLink', 'B', 'B']]
   Exit: (212) [system] [['AndLink', 'B', 'B']]=[['AndLink', 'B', 'B']]
^  Exit: (211) [user] read_list(')', (0x563acd73bee0), [['AndLink', 'B', 'B']])
   Call: (211) [system] _283208=[['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']]
   Exit: (211) [system] [['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']]=[['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']]
^  Exit: (210) [user] read_list(')', (0x563acd73bee0), [['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']])
   Call: (210) [system] _179382=[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']]
   Exit: (210) [system] [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']]=[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']]
^  Exit: (209) [user] read_list(')', (0x563acd73bee0), [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']])
^  Exit: (208) [user] cont_sexpr(')', (0x563acd73bee0), [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']])
^  Call: (208) [user] read_list(')', (0x563acd73bee0), _1532336)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1534194)
   Exit: (210) [system] peek_char((0x563acd73bee0), '\n')
   Call: (210) [system] '\n'=(;)
   Fail: (210) [system] '\n'=(;)
   Call: (210) [system] '\n'=(/)
   Fail: (210) [system] '\n'=(/)
^  Call: (210) [user] is_like_space('\n')
   Call: (211) [system] char_type('\n', 'white')
   Fail: (211) [system] char_type('\n', 'white')
   Call: (211) [system] char_type('\n', end_of_line)
   Exit: (211) [system] char_type('\n', end_of_line)
^  Exit: (210) [user] is_like_space('\n')
   Call: (210) [system] get_char((0x563acd73bee0), _1545644)
   Exit: (210) [system] get_char((0x563acd73bee0), '\n')
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1548348)
   Exit: (211) [system] peek_char((0x563acd73bee0), '\t')
   Call: (211) [system] '\t'=(;)
   Fail: (211) [system] '\t'=(;)
   Call: (211) [system] '\t'=(/)
   Fail: (211) [system] '\t'=(/)
^  Call: (211) [user] is_like_space('\t')
   Call: (212) [system] char_type('\t', 'white')
   Exit: (212) [system] char_type('\t', 'white')
^  Exit: (211) [user] is_like_space('\t')
   Call: (211) [system] get_char((0x563acd73bee0), _1557942)
   Exit: (211) [system] get_char((0x563acd73bee0), '\t')
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1560646)
   Exit: (212) [system] peek_char((0x563acd73bee0), '\t')
   Call: (212) [system] '\t'=(;)
   Fail: (212) [system] '\t'=(;)
   Call: (212) [system] '\t'=(/)
   Fail: (212) [system] '\t'=(/)
^  Call: (212) [user] is_like_space('\t')
   Call: (213) [system] char_type('\t', 'white')
   Exit: (213) [system] char_type('\t', 'white')
^  Exit: (212) [user] is_like_space('\t')
   Call: (212) [system] get_char((0x563acd73bee0), _1570240)
   Exit: (212) [system] get_char((0x563acd73bee0), '\t')
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1572944)
   Exit: (213) [system] peek_char((0x563acd73bee0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x563acd73bee0), _1582538)
   Exit: (213) [system] get_char((0x563acd73bee0), ' ')
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1585242)
   Exit: (214) [system] peek_char((0x563acd73bee0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1604948)
   Exit: (209) [system] peek_char((0x563acd73bee0), '(')
   Call: (209) [system] '('=')'
   Fail: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
   Fail: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x563acd73bee0), _1610518)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1612376)
   Exit: (211) [system] peek_char((0x563acd73bee0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] get_char((0x563acd73bee0), _1628386)
   Exit: (210) [system] get_char((0x563acd73bee0), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x563acd73bee0), _1610518)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1633956)
   Exit: (212) [system] peek_char((0x563acd73bee0), :)
   Call: (212) [system] (:)=(;)
   Fail: (212) [system] (:)=(;)
   Call: (212) [system] (:)=(/)
   Fail: (212) [system] (:)=(/)
^  Call: (212) [user] is_like_space(:)
   Call: (213) [system] char_type(:, 'white')
   Fail: (213) [system] char_type(:, 'white')
   Call: (213) [system] char_type(:, end_of_line)
   Fail: (213) [system] char_type(:, end_of_line)
   Call: (213) [system] char_type(:, space)
   Fail: (213) [system] char_type(:, space)
   Call: (213) [system] char_type(:, cntrl)
   Fail: (213) [system] char_type(:, cntrl)
^  Fail: (212) [user] is_like_space(:)
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1649966)
   Exit: (211) [system] peek_char((0x563acd73bee0), :)
   Call: (211) [system] (:)=')'
   Fail: (211) [system] (:)=')'
   Call: (211) [system] (:)=end_of_file
   Fail: (211) [system] (:)=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x563acd73bee0), _1655536)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1657394)
   Exit: (213) [system] peek_char((0x563acd73bee0), :)
   Call: (213) [system] (:)=(;)
   Fail: (213) [system] (:)=(;)
   Call: (213) [system] (:)=(/)
   Fail: (213) [system] (:)=(/)
^  Call: (213) [user] is_like_space(:)
   Call: (214) [system] char_type(:, 'white')
   Fail: (214) [system] char_type(:, 'white')
   Call: (214) [system] char_type(:, end_of_line)
   Fail: (214) [system] char_type(:, end_of_line)
   Call: (214) [system] char_type(:, space)
   Fail: (214) [system] char_type(:, space)
   Call: (214) [system] char_type(:, cntrl)
   Fail: (214) [system] char_type(:, cntrl)
^  Fail: (213) [user] is_like_space(:)
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] get_char((0x563acd73bee0), _1673404)
   Exit: (212) [system] get_char((0x563acd73bee0), :)
   Call: (212) [system] (:)='('
   Fail: (212) [system] (:)='('
   Call: (212) [system] (:)='['
   Fail: (212) [system] (:)='['
   Call: (212) [system] (:)='{'
   Fail: (212) [system] (:)='{'
   Call: (212) [system] (:)='"'
   Fail: (212) [system] (:)='"'
   Call: (212) [system] (:)=!
   Fail: (212) [system] (:)=!
   Call: (212) [system] (:)='\''
   Fail: (212) [system] (:)='\''
   Call: (212) [system] (:)='`'
   Fail: (212) [system] (:)='`'
   Call: (212) [system] (:)=end_of_file
   Fail: (212) [system] (:)=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x563acd73bee0), :, _1655536)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _1691046)
   Call: (214) [system] peek_char((0x563acd73bee0), _1691980)
   Exit: (214) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _1691046=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (213) [user] classify_and_convert_charseq([:], _1655536)
^  Call: (214) [user] classify_and_convert_charseq_([:], _1701264)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1702216, _1702218), once(user:catch(read_from_chars([:], _1701264), _1702198, fail)), '$restore_trace'(_1702216, _1702218))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1702216, _1702218))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1702198, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(:)
   Exit: (215) [system] atomic(:)
^  Exit: (214) [user] classify_and_convert_charseq_([:], :)
   Call: (214) [system] integer(:)
   Fail: (214) [system] integer(:)
   Call: (214) [system] _1655536=(:)
   Exit: (214) [system] (:)=(:)
^  Exit: (213) [user] classify_and_convert_charseq([:], :)
^  Exit: (212) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (211) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (211) [user] read_list(')', (0x563acd73bee0), _1714344)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1716202)
   Exit: (213) [system] peek_char((0x563acd73bee0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x563acd73bee0), _1725796)
   Exit: (213) [system] get_char((0x563acd73bee0), ' ')
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1728500)
   Exit: (214) [system] peek_char((0x563acd73bee0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1745434)
   Exit: (212) [system] peek_char((0x563acd73bee0), '(')
   Call: (212) [system] '('=')'
   Fail: (212) [system] '('=')'
   Call: (212) [system] '('=end_of_file
   Fail: (212) [system] '('=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x563acd73bee0), _1751004)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1752862)
   Exit: (214) [system] peek_char((0x563acd73bee0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] get_char((0x563acd73bee0), _1768872)
   Exit: (213) [system] get_char((0x563acd73bee0), '(')
   Call: (213) [system] '('='('
   Exit: (213) [system] '('='('
^  Call: (213) [user] read_list(')', (0x563acd73bee0), _1751004)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1774442)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'D')
   Call: (215) [system] 'D'=(;)
   Fail: (215) [system] 'D'=(;)
   Call: (215) [system] 'D'=(/)
   Fail: (215) [system] 'D'=(/)
^  Call: (215) [user] is_like_space('D')
   Call: (216) [system] char_type('D', 'white')
   Fail: (216) [system] char_type('D', 'white')
   Call: (216) [system] char_type('D', end_of_line)
   Fail: (216) [system] char_type('D', end_of_line)
   Call: (216) [system] char_type('D', space)
   Fail: (216) [system] char_type('D', space)
   Call: (216) [system] char_type('D', cntrl)
   Fail: (216) [system] char_type('D', cntrl)
^  Fail: (215) [user] is_like_space('D')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1790452)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'D')
   Call: (214) [system] 'D'=')'
   Fail: (214) [system] 'D'=')'
   Call: (214) [system] 'D'=end_of_file
   Fail: (214) [system] 'D'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x563acd73bee0), _1796022)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1797880)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'D')
   Call: (216) [system] 'D'=(;)
   Fail: (216) [system] 'D'=(;)
   Call: (216) [system] 'D'=(/)
   Fail: (216) [system] 'D'=(/)
^  Call: (216) [user] is_like_space('D')
   Call: (217) [system] char_type('D', 'white')
   Fail: (217) [system] char_type('D', 'white')
   Call: (217) [system] char_type('D', end_of_line)
   Fail: (217) [system] char_type('D', end_of_line)
   Call: (217) [system] char_type('D', space)
   Fail: (217) [system] char_type('D', space)
   Call: (217) [system] char_type('D', cntrl)
   Fail: (217) [system] char_type('D', cntrl)
^  Fail: (216) [user] is_like_space('D')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] get_char((0x563acd73bee0), _1813890)
   Exit: (215) [system] get_char((0x563acd73bee0), 'D')
   Call: (215) [system] 'D'='('
   Fail: (215) [system] 'D'='('
   Call: (215) [system] 'D'='['
   Fail: (215) [system] 'D'='['
   Call: (215) [system] 'D'='{'
   Fail: (215) [system] 'D'='{'
   Call: (215) [system] 'D'='"'
   Fail: (215) [system] 'D'='"'
   Call: (215) [system] 'D'=!
   Fail: (215) [system] 'D'=!
   Call: (215) [system] 'D'='\''
   Fail: (215) [system] 'D'='\''
   Call: (215) [system] 'D'='`'
   Fail: (215) [system] 'D'='`'
   Call: (215) [system] 'D'=end_of_file
   Fail: (215) [system] 'D'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x563acd73bee0), 'D', _1796022)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _1831532)
   Call: (217) [system] peek_char((0x563acd73bee0), _1832466)
   Exit: (217) [system] peek_char((0x563acd73bee0), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_1837186, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_1838118, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x563acd73bee0), i)
   Exit: (217) [system] get_char((0x563acd73bee0), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _1845468)
   Call: (218) [system] peek_char((0x563acd73bee0), _1846402)
   Exit: (218) [system] peek_char((0x563acd73bee0), s)
^  Call: (218) [user] is_delimiter(s)
   Call: (219) [system] char_type(s, space)
   Fail: (219) [system] char_type(s, space)
   Call: (219) [system] arg(_1851122, v('(', ')', end_of_file), s)
   Fail: (219) [system] arg(_1852054, v('(', ')', end_of_file), s)
^  Fail: (218) [user] is_delimiter(s)
   Call: (218) [system] ')'==s
   Fail: (218) [system] ')'==s
   Call: (218) [system] get_char((0x563acd73bee0), s)
   Exit: (218) [system] get_char((0x563acd73bee0), s)
   Call: (218) [system] s=(\)
   Fail: (218) [system] s=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _1859404)
   Call: (219) [system] peek_char((0x563acd73bee0), _1860338)
   Exit: (219) [system] peek_char((0x563acd73bee0), j)
^  Call: (219) [user] is_delimiter(j)
   Call: (220) [system] char_type(j, space)
   Fail: (220) [system] char_type(j, space)
   Call: (220) [system] arg(_1865058, v('(', ')', end_of_file), j)
   Fail: (220) [system] arg(_1865990, v('(', ')', end_of_file), j)
^  Fail: (219) [user] is_delimiter(j)
   Call: (219) [system] ')'==j
   Fail: (219) [system] ')'==j
   Call: (219) [system] get_char((0x563acd73bee0), j)
   Exit: (219) [system] get_char((0x563acd73bee0), j)
   Call: (219) [system] j=(\)
   Fail: (219) [system] j=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _1873340)
   Call: (220) [system] peek_char((0x563acd73bee0), _1874274)
   Exit: (220) [system] peek_char((0x563acd73bee0), u)
^  Call: (220) [user] is_delimiter(u)
   Call: (221) [system] char_type(u, space)
   Fail: (221) [system] char_type(u, space)
   Call: (221) [system] arg(_1878994, v('(', ')', end_of_file), u)
   Fail: (221) [system] arg(_1879926, v('(', ')', end_of_file), u)
^  Fail: (220) [user] is_delimiter(u)
   Call: (220) [system] ')'==u
   Fail: (220) [system] ')'==u
   Call: (220) [system] get_char((0x563acd73bee0), u)
   Exit: (220) [system] get_char((0x563acd73bee0), u)
   Call: (220) [system] u=(\)
   Fail: (220) [system] u=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _1887276)
   Call: (221) [system] peek_char((0x563acd73bee0), _1888210)
   Exit: (221) [system] peek_char((0x563acd73bee0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_1892930, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_1893862, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x563acd73bee0), n)
   Exit: (221) [system] get_char((0x563acd73bee0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _1901212)
   Call: (222) [system] peek_char((0x563acd73bee0), _1902146)
   Exit: (222) [system] peek_char((0x563acd73bee0), c)
^  Call: (222) [user] is_delimiter(c)
   Call: (223) [system] char_type(c, space)
   Fail: (223) [system] char_type(c, space)
   Call: (223) [system] arg(_1906866, v('(', ')', end_of_file), c)
   Fail: (223) [system] arg(_1907798, v('(', ')', end_of_file), c)
^  Fail: (222) [user] is_delimiter(c)
   Call: (222) [system] ')'==c
   Fail: (222) [system] ')'==c
   Call: (222) [system] get_char((0x563acd73bee0), c)
   Exit: (222) [system] get_char((0x563acd73bee0), c)
   Call: (222) [system] c=(\)
   Fail: (222) [system] c=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _1915148)
   Call: (223) [system] peek_char((0x563acd73bee0), _1916082)
   Exit: (223) [system] peek_char((0x563acd73bee0), t)
^  Call: (223) [user] is_delimiter(t)
   Call: (224) [system] char_type(t, space)
   Fail: (224) [system] char_type(t, space)
   Call: (224) [system] arg(_1920802, v('(', ')', end_of_file), t)
   Fail: (224) [system] arg(_1921734, v('(', ')', end_of_file), t)
^  Fail: (223) [user] is_delimiter(t)
   Call: (223) [system] ')'==t
   Fail: (223) [system] ')'==t
   Call: (223) [system] get_char((0x563acd73bee0), t)
   Exit: (223) [system] get_char((0x563acd73bee0), t)
   Call: (223) [system] t=(\)
   Fail: (223) [system] t=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _1929084)
   Call: (224) [system] peek_char((0x563acd73bee0), _1930018)
   Exit: (224) [system] peek_char((0x563acd73bee0), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Fail: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_1934738, v('(', ')', end_of_file), i)
   Fail: (225) [system] arg(_1935670, v('(', ')', end_of_file), i)
^  Fail: (224) [user] is_delimiter(i)
   Call: (224) [system] ')'==i
   Fail: (224) [system] ')'==i
   Call: (224) [system] get_char((0x563acd73bee0), i)
   Exit: (224) [system] get_char((0x563acd73bee0), i)
   Call: (224) [system] i=(\)
   Fail: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _1943020)
   Call: (225) [system] peek_char((0x563acd73bee0), _1943954)
   Exit: (225) [system] peek_char((0x563acd73bee0), o)
^  Call: (225) [user] is_delimiter(o)
   Call: (226) [system] char_type(o, space)
   Fail: (226) [system] char_type(o, space)
   Call: (226) [system] arg(_1948674, v('(', ')', end_of_file), o)
   Fail: (226) [system] arg(_1949606, v('(', ')', end_of_file), o)
^  Fail: (225) [user] is_delimiter(o)
   Call: (225) [system] ')'==o
   Fail: (225) [system] ')'==o
   Call: (225) [system] get_char((0x563acd73bee0), o)
   Exit: (225) [system] get_char((0x563acd73bee0), o)
   Call: (225) [system] o=(\)
   Fail: (225) [system] o=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _1956956)
   Call: (226) [system] peek_char((0x563acd73bee0), _1957890)
   Exit: (226) [system] peek_char((0x563acd73bee0), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_1962610, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_1963542, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x563acd73bee0), n)
   Exit: (226) [system] get_char((0x563acd73bee0), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _1970892)
   Call: (227) [system] peek_char((0x563acd73bee0), _1971826)
   Exit: (227) [system] peek_char((0x563acd73bee0), 'I')
^  Call: (227) [user] is_delimiter('I')
   Call: (228) [system] char_type('I', space)
   Fail: (228) [system] char_type('I', space)
   Call: (228) [system] arg(_1976546, v('(', ')', end_of_file), 'I')
   Fail: (228) [system] arg(_1977478, v('(', ')', end_of_file), 'I')
^  Fail: (227) [user] is_delimiter('I')
   Call: (227) [system] ')'=='I'
   Fail: (227) [system] ')'=='I'
   Call: (227) [system] get_char((0x563acd73bee0), 'I')
   Exit: (227) [system] get_char((0x563acd73bee0), 'I')
   Call: (227) [system] 'I'=(\)
   Fail: (227) [system] 'I'=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _1984828)
   Call: (228) [system] peek_char((0x563acd73bee0), _1985762)
   Exit: (228) [system] peek_char((0x563acd73bee0), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_1990482, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_1991414, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x563acd73bee0), n)
   Exit: (228) [system] get_char((0x563acd73bee0), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _1998764)
   Call: (229) [system] peek_char((0x563acd73bee0), _1999698)
   Exit: (229) [system] peek_char((0x563acd73bee0), t)
^  Call: (229) [user] is_delimiter(t)
   Call: (230) [system] char_type(t, space)
   Fail: (230) [system] char_type(t, space)
   Call: (230) [system] arg(_2004418, v('(', ')', end_of_file), t)
   Fail: (230) [system] arg(_2005350, v('(', ')', end_of_file), t)
^  Fail: (229) [user] is_delimiter(t)
   Call: (229) [system] ')'==t
   Fail: (229) [system] ')'==t
   Call: (229) [system] get_char((0x563acd73bee0), t)
   Exit: (229) [system] get_char((0x563acd73bee0), t)
   Call: (229) [system] t=(\)
   Fail: (229) [system] t=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _2012700)
   Call: (230) [system] peek_char((0x563acd73bee0), _2013634)
   Exit: (230) [system] peek_char((0x563acd73bee0), r)
^  Call: (230) [user] is_delimiter(r)
   Call: (231) [system] char_type(r, space)
   Fail: (231) [system] char_type(r, space)
   Call: (231) [system] arg(_2018354, v('(', ')', end_of_file), r)
   Fail: (231) [system] arg(_2019286, v('(', ')', end_of_file), r)
^  Fail: (230) [user] is_delimiter(r)
   Call: (230) [system] ')'==r
   Fail: (230) [system] ')'==r
   Call: (230) [system] get_char((0x563acd73bee0), r)
   Exit: (230) [system] get_char((0x563acd73bee0), r)
   Call: (230) [system] r=(\)
   Fail: (230) [system] r=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _2026636)
   Call: (231) [system] peek_char((0x563acd73bee0), _2027570)
   Exit: (231) [system] peek_char((0x563acd73bee0), o)
^  Call: (231) [user] is_delimiter(o)
   Call: (232) [system] char_type(o, space)
   Fail: (232) [system] char_type(o, space)
   Call: (232) [system] arg(_2032290, v('(', ')', end_of_file), o)
   Fail: (232) [system] arg(_2033222, v('(', ')', end_of_file), o)
^  Fail: (231) [user] is_delimiter(o)
   Call: (231) [system] ')'==o
   Fail: (231) [system] ')'==o
   Call: (231) [system] get_char((0x563acd73bee0), o)
   Exit: (231) [system] get_char((0x563acd73bee0), o)
   Call: (231) [system] o=(\)
   Fail: (231) [system] o=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _2040572)
   Call: (232) [system] peek_char((0x563acd73bee0), _2041506)
   Exit: (232) [system] peek_char((0x563acd73bee0), d)
^  Call: (232) [user] is_delimiter(d)
   Call: (233) [system] char_type(d, space)
   Fail: (233) [system] char_type(d, space)
   Call: (233) [system] arg(_2046226, v('(', ')', end_of_file), d)
   Fail: (233) [system] arg(_2047158, v('(', ')', end_of_file), d)
^  Fail: (232) [user] is_delimiter(d)
   Call: (232) [system] ')'==d
   Fail: (232) [system] ')'==d
   Call: (232) [system] get_char((0x563acd73bee0), d)
   Exit: (232) [system] get_char((0x563acd73bee0), d)
   Call: (232) [system] d=(\)
   Fail: (232) [system] d=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _2054508)
   Call: (233) [system] peek_char((0x563acd73bee0), _2055442)
   Exit: (233) [system] peek_char((0x563acd73bee0), u)
^  Call: (233) [user] is_delimiter(u)
   Call: (234) [system] char_type(u, space)
   Fail: (234) [system] char_type(u, space)
   Call: (234) [system] arg(_2060162, v('(', ')', end_of_file), u)
   Fail: (234) [system] arg(_2061094, v('(', ')', end_of_file), u)
^  Fail: (233) [user] is_delimiter(u)
   Call: (233) [system] ')'==u
   Fail: (233) [system] ')'==u
   Call: (233) [system] get_char((0x563acd73bee0), u)
   Exit: (233) [system] get_char((0x563acd73bee0), u)
   Call: (233) [system] u=(\)
   Fail: (233) [system] u=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), _2068444)
   Call: (234) [system] peek_char((0x563acd73bee0), _2069378)
   Exit: (234) [system] peek_char((0x563acd73bee0), c)
^  Call: (234) [user] is_delimiter(c)
   Call: (235) [system] char_type(c, space)
   Fail: (235) [system] char_type(c, space)
   Call: (235) [system] arg(_2074098, v('(', ')', end_of_file), c)
   Fail: (235) [system] arg(_2075030, v('(', ')', end_of_file), c)
^  Fail: (234) [user] is_delimiter(c)
   Call: (234) [system] ')'==c
   Fail: (234) [system] ')'==c
   Call: (234) [system] get_char((0x563acd73bee0), c)
   Exit: (234) [system] get_char((0x563acd73bee0), c)
   Call: (234) [system] c=(\)
   Fail: (234) [system] c=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), _2082380)
   Call: (235) [system] peek_char((0x563acd73bee0), _2083314)
   Exit: (235) [system] peek_char((0x563acd73bee0), t)
^  Call: (235) [user] is_delimiter(t)
   Call: (236) [system] char_type(t, space)
   Fail: (236) [system] char_type(t, space)
   Call: (236) [system] arg(_2088034, v('(', ')', end_of_file), t)
   Fail: (236) [system] arg(_2088966, v('(', ')', end_of_file), t)
^  Fail: (235) [user] is_delimiter(t)
   Call: (235) [system] ')'==t
   Fail: (235) [system] ')'==t
   Call: (235) [system] get_char((0x563acd73bee0), t)
   Exit: (235) [system] get_char((0x563acd73bee0), t)
   Call: (235) [system] t=(\)
   Fail: (235) [system] t=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), _5256)
   Call: (236) [system] peek_char((0x563acd73bee0), _5782)
   Exit: (236) [system] peek_char((0x563acd73bee0), i)
^  Call: (236) [user] is_delimiter(i)
   Call: (237) [system] char_type(i, space)
   Fail: (237) [system] char_type(i, space)
   Call: (237) [system] arg(_10502, v('(', ')', end_of_file), i)
   Fail: (237) [system] arg(_11434, v('(', ')', end_of_file), i)
^  Fail: (236) [user] is_delimiter(i)
   Call: (236) [system] ')'==i
   Fail: (236) [system] ')'==i
   Call: (236) [system] get_char((0x563acd73bee0), i)
   Exit: (236) [system] get_char((0x563acd73bee0), i)
   Call: (236) [system] i=(\)
   Fail: (236) [system] i=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), _18784)
   Call: (237) [system] peek_char((0x563acd73bee0), _19718)
   Exit: (237) [system] peek_char((0x563acd73bee0), o)
^  Call: (237) [user] is_delimiter(o)
   Call: (238) [system] char_type(o, space)
   Fail: (238) [system] char_type(o, space)
   Call: (238) [system] arg(_24438, v('(', ')', end_of_file), o)
   Fail: (238) [system] arg(_25370, v('(', ')', end_of_file), o)
^  Fail: (237) [user] is_delimiter(o)
   Call: (237) [system] ')'==o
   Fail: (237) [system] ')'==o
   Call: (237) [system] get_char((0x563acd73bee0), o)
   Exit: (237) [system] get_char((0x563acd73bee0), o)
   Call: (237) [system] o=(\)
   Fail: (237) [system] o=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), _32720)
   Call: (238) [system] peek_char((0x563acd73bee0), _33654)
   Exit: (238) [system] peek_char((0x563acd73bee0), n)
^  Call: (238) [user] is_delimiter(n)
   Call: (239) [system] char_type(n, space)
   Fail: (239) [system] char_type(n, space)
   Call: (239) [system] arg(_38374, v('(', ')', end_of_file), n)
   Fail: (239) [system] arg(_39306, v('(', ')', end_of_file), n)
^  Fail: (238) [user] is_delimiter(n)
   Call: (238) [system] ')'==n
   Fail: (238) [system] ')'==n
   Call: (238) [system] get_char((0x563acd73bee0), n)
   Exit: (238) [system] get_char((0x563acd73bee0), n)
   Call: (238) [system] n=(\)
   Fail: (238) [system] n=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x563acd73bee0), _46656)
   Call: (239) [system] peek_char((0x563acd73bee0), _47590)
   Exit: (239) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (239) [user] is_delimiter(' ')
   Call: (240) [system] char_type(' ', space)
   Exit: (240) [system] char_type(' ', space)
^  Exit: (239) [user] is_delimiter(' ')
   Call: (239) [system] _46656=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (238) [system] _32720=[n]
   Exit: (238) [system] [n]=[n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (237) [system] _18784=[o, n]
   Exit: (237) [system] [o, n]=[o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (236) [system] _5256=[i, o, n]
   Exit: (236) [system] [i, o, n]=[i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (235) [system] _5250=[t, i, o, n]
   Exit: (235) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (234) [system] _5246=[c, t, i, o, n]
   Exit: (234) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n])
   Call: (233) [system] _5242=[u, c, t, i, o, n]
   Exit: (233) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, i, o, n])
   Call: (232) [system] _5238=[d, u, c, t, i, o, n]
   Exit: (232) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, u, c, t, i, o, n])
   Call: (231) [system] _5234=[o, d, u, c, t, i, o, n]
   Exit: (231) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, d, u, c, t, i, o, n])
   Call: (230) [system] _5230=[r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _5226=[t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _5222=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _5218=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _5214=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _5210=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _5206=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _5202=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _5198=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _5194=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _5190=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _5186=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _5182=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _5178=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (216) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _5174)
^  Call: (217) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _118342)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_119294, _119296), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _118342), _119276, fail)), '$restore_trace'(_119294, _119296))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_119294, _119296))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _118342), _119276, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_118342)
   Fail: (218) [system] atomic(_118342)
   Call: (218) [system] atom_chars(_118342, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (218) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (217) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (217) [system] integer('DisjunctionIntroduction')
   Fail: (217) [system] integer('DisjunctionIntroduction')
   Call: (217) [system] _5174='DisjunctionIntroduction'
   Exit: (217) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (216) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (215) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'DisjunctionIntroduction')
^  Exit: (214) [user] cont_sexpr(')', (0x563acd73bee0), 'DisjunctionIntroduction')
^  Call: (214) [user] read_list(')', (0x563acd73bee0), _133292)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _135150)
   Exit: (216) [system] peek_char((0x563acd73bee0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x563acd73bee0), _144744)
   Exit: (216) [system] get_char((0x563acd73bee0), ' ')
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _147448)
   Exit: (217) [system] peek_char((0x563acd73bee0), a)
   Call: (217) [system] a=(;)
   Fail: (217) [system] a=(;)
   Call: (217) [system] a=(/)
   Fail: (217) [system] a=(/)
^  Call: (217) [user] is_like_space(a)
   Call: (218) [system] char_type(a, 'white')
   Fail: (218) [system] char_type(a, 'white')
   Call: (218) [system] char_type(a, end_of_line)
   Fail: (218) [system] char_type(a, end_of_line)
   Call: (218) [system] char_type(a, space)
   Fail: (218) [system] char_type(a, space)
   Call: (218) [system] char_type(a, cntrl)
   Fail: (218) [system] char_type(a, cntrl)
^  Fail: (217) [user] is_like_space(a)
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _164382)
   Exit: (215) [system] peek_char((0x563acd73bee0), a)
   Call: (215) [system] a=')'
   Fail: (215) [system] a=')'
   Call: (215) [system] a=end_of_file
   Fail: (215) [system] a=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x563acd73bee0), _169952)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _171810)
   Exit: (217) [system] peek_char((0x563acd73bee0), a)
   Call: (217) [system] a=(;)
   Fail: (217) [system] a=(;)
   Call: (217) [system] a=(/)
   Fail: (217) [system] a=(/)
^  Call: (217) [user] is_like_space(a)
   Call: (218) [system] char_type(a, 'white')
   Fail: (218) [system] char_type(a, 'white')
   Call: (218) [system] char_type(a, end_of_line)
   Fail: (218) [system] char_type(a, end_of_line)
   Call: (218) [system] char_type(a, space)
   Fail: (218) [system] char_type(a, space)
   Call: (218) [system] char_type(a, cntrl)
   Fail: (218) [system] char_type(a, cntrl)
^  Fail: (217) [user] is_like_space(a)
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] get_char((0x563acd73bee0), _187820)
   Exit: (216) [system] get_char((0x563acd73bee0), a)
   Call: (216) [system] a='('
   Fail: (216) [system] a='('
   Call: (216) [system] a='['
   Fail: (216) [system] a='['
   Call: (216) [system] a='{'
   Fail: (216) [system] a='{'
   Call: (216) [system] a='"'
   Fail: (216) [system] a='"'
   Call: (216) [system] a=!
   Fail: (216) [system] a=!
   Call: (216) [system] a='\''
   Fail: (216) [system] a='\''
   Call: (216) [system] a='`'
   Fail: (216) [system] a='`'
   Call: (216) [system] a=end_of_file
   Fail: (216) [system] a=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x563acd73bee0), a, _169952)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _205462)
   Call: (218) [system] peek_char((0x563acd73bee0), _206396)
   Exit: (218) [system] peek_char((0x563acd73bee0), b)
^  Call: (218) [user] is_delimiter(b)
   Call: (219) [system] char_type(b, space)
   Fail: (219) [system] char_type(b, space)
   Call: (219) [system] arg(_211116, v('(', ')', end_of_file), b)
   Fail: (219) [system] arg(_212048, v('(', ')', end_of_file), b)
^  Fail: (218) [user] is_delimiter(b)
   Call: (218) [system] ')'==b
   Fail: (218) [system] ')'==b
   Call: (218) [system] get_char((0x563acd73bee0), b)
   Exit: (218) [system] get_char((0x563acd73bee0), b)
   Call: (218) [system] b=(\)
   Fail: (218) [system] b=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _219398)
   Call: (219) [system] peek_char((0x563acd73bee0), _220332)
   Exit: (219) [system] peek_char((0x563acd73bee0), c)
^  Call: (219) [user] is_delimiter(c)
   Call: (220) [system] char_type(c, space)
   Fail: (220) [system] char_type(c, space)
   Call: (220) [system] arg(_225052, v('(', ')', end_of_file), c)
   Fail: (220) [system] arg(_225984, v('(', ')', end_of_file), c)
^  Fail: (219) [user] is_delimiter(c)
   Call: (219) [system] ')'==c
   Fail: (219) [system] ')'==c
   Call: (219) [system] get_char((0x563acd73bee0), c)
   Exit: (219) [system] get_char((0x563acd73bee0), c)
   Call: (219) [system] c=(\)
   Fail: (219) [system] c=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _233334)
   Call: (220) [system] peek_char((0x563acd73bee0), _234268)
   Exit: (220) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _233334=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (219) [system] _219398=[c]
   Exit: (219) [system] [c]=[c]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [c])
   Call: (218) [system] _205462=[b, c]
   Exit: (218) [system] [b, c]=[b, c]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [b, c])
^  Call: (217) [user] classify_and_convert_charseq([a, b, c], _169952)
^  Call: (218) [user] classify_and_convert_charseq_([a, b, c], _249140)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_250092, _250094), once(user:catch(read_from_chars([a, b, c], _249140), _250074, fail)), '$restore_trace'(_250092, _250094))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_250092, _250094))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _250074, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(abc)
   Exit: (219) [system] atomic(abc)
^  Exit: (218) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (218) [system] integer(abc)
   Fail: (218) [system] integer(abc)
   Call: (218) [system] _169952=abc
   Exit: (218) [system] abc=abc
^  Exit: (217) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (216) [user] read_symbolic(')', (0x563acd73bee0), a, abc)
^  Exit: (215) [user] cont_sexpr(')', (0x563acd73bee0), abc)
^  Call: (215) [user] read_list(')', (0x563acd73bee0), _262220)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _264078)
   Exit: (217) [system] peek_char((0x563acd73bee0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x563acd73bee0), _273672)
   Exit: (217) [system] get_char((0x563acd73bee0), ' ')
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _276376)
   Exit: (218) [system] peek_char((0x563acd73bee0), a)
   Call: (218) [system] a=(;)
   Fail: (218) [system] a=(;)
   Call: (218) [system] a=(/)
   Fail: (218) [system] a=(/)
^  Call: (218) [user] is_like_space(a)
   Call: (219) [system] char_type(a, 'white')
   Fail: (219) [system] char_type(a, 'white')
   Call: (219) [system] char_type(a, end_of_line)
   Fail: (219) [system] char_type(a, end_of_line)
   Call: (219) [system] char_type(a, space)
   Fail: (219) [system] char_type(a, space)
   Call: (219) [system] char_type(a, cntrl)
   Fail: (219) [system] char_type(a, cntrl)
^  Fail: (218) [user] is_like_space(a)
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _293310)
   Exit: (216) [system] peek_char((0x563acd73bee0), a)
   Call: (216) [system] a=')'
   Fail: (216) [system] a=')'
   Call: (216) [system] a=end_of_file
   Fail: (216) [system] a=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x563acd73bee0), _298880)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _300738)
   Exit: (218) [system] peek_char((0x563acd73bee0), a)
   Call: (218) [system] a=(;)
   Fail: (218) [system] a=(;)
   Call: (218) [system] a=(/)
   Fail: (218) [system] a=(/)
^  Call: (218) [user] is_like_space(a)
   Call: (219) [system] char_type(a, 'white')
   Fail: (219) [system] char_type(a, 'white')
   Call: (219) [system] char_type(a, end_of_line)
   Fail: (219) [system] char_type(a, end_of_line)
   Call: (219) [system] char_type(a, space)
   Fail: (219) [system] char_type(a, space)
   Call: (219) [system] char_type(a, cntrl)
   Fail: (219) [system] char_type(a, cntrl)
^  Fail: (218) [user] is_like_space(a)
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] get_char((0x563acd73bee0), _316748)
   Exit: (217) [system] get_char((0x563acd73bee0), a)
   Call: (217) [system] a='('
   Fail: (217) [system] a='('
   Call: (217) [system] a='['
   Fail: (217) [system] a='['
   Call: (217) [system] a='{'
   Fail: (217) [system] a='{'
   Call: (217) [system] a='"'
   Fail: (217) [system] a='"'
   Call: (217) [system] a=!
   Fail: (217) [system] a=!
   Call: (217) [system] a='\''
   Fail: (217) [system] a='\''
   Call: (217) [system] a='`'
   Fail: (217) [system] a='`'
   Call: (217) [system] a=end_of_file
   Fail: (217) [system] a=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x563acd73bee0), a, _298880)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _334390)
   Call: (219) [system] peek_char((0x563acd73bee0), _335324)
   Exit: (219) [system] peek_char((0x563acd73bee0), b)
^  Call: (219) [user] is_delimiter(b)
   Call: (220) [system] char_type(b, space)
   Fail: (220) [system] char_type(b, space)
   Call: (220) [system] arg(_340044, v('(', ')', end_of_file), b)
   Fail: (220) [system] arg(_340976, v('(', ')', end_of_file), b)
^  Fail: (219) [user] is_delimiter(b)
   Call: (219) [system] ')'==b
   Fail: (219) [system] ')'==b
   Call: (219) [system] get_char((0x563acd73bee0), b)
   Exit: (219) [system] get_char((0x563acd73bee0), b)
   Call: (219) [system] b=(\)
   Fail: (219) [system] b=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _348326)
   Call: (220) [system] peek_char((0x563acd73bee0), _349260)
   Exit: (220) [system] peek_char((0x563acd73bee0), c)
^  Call: (220) [user] is_delimiter(c)
   Call: (221) [system] char_type(c, space)
   Fail: (221) [system] char_type(c, space)
   Call: (221) [system] arg(_353980, v('(', ')', end_of_file), c)
   Fail: (221) [system] arg(_354912, v('(', ')', end_of_file), c)
^  Fail: (220) [user] is_delimiter(c)
   Call: (220) [system] ')'==c
   Fail: (220) [system] ')'==c
   Call: (220) [system] get_char((0x563acd73bee0), c)
   Exit: (220) [system] get_char((0x563acd73bee0), c)
   Call: (220) [system] c=(\)
   Fail: (220) [system] c=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _362262)
   Call: (221) [system] peek_char((0x563acd73bee0), _363196)
   Exit: (221) [system] peek_char((0x563acd73bee0), ')')
^  Call: (221) [user] is_delimiter(')')
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] arg(_367916, v('(', ')', end_of_file), ')')
   Exit: (222) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (221) [user] is_delimiter(')')
   Call: (221) [system] _362262=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (220) [system] _348326=[c]
   Exit: (220) [system] [c]=[c]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [c])
   Call: (219) [system] _334390=[b, c]
   Exit: (219) [system] [b, c]=[b, c]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [b, c])
^  Call: (218) [user] classify_and_convert_charseq([a, b, c], _298880)
^  Call: (219) [user] classify_and_convert_charseq_([a, b, c], _379940)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_380892, _380894), once(user:catch(read_from_chars([a, b, c], _379940), _380874, fail)), '$restore_trace'(_380892, _380894))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_380892, _380894))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _380874, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(abc)
   Exit: (220) [system] atomic(abc)
^  Exit: (219) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (219) [system] integer(abc)
   Fail: (219) [system] integer(abc)
   Call: (219) [system] _298880=abc
   Exit: (219) [system] abc=abc
^  Exit: (218) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (217) [user] read_symbolic(')', (0x563acd73bee0), a, abc)
^  Exit: (216) [user] cont_sexpr(')', (0x563acd73bee0), abc)
^  Call: (216) [user] read_list(')', (0x563acd73bee0), _393020)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _394878)
   Exit: (218) [system] peek_char((0x563acd73bee0), ')')
   Call: (218) [system] ')'=(;)
   Fail: (218) [system] ')'=(;)
   Call: (218) [system] ')'=(/)
   Fail: (218) [system] ')'=(/)
^  Call: (218) [user] is_like_space(')')
   Call: (219) [system] char_type(')', 'white')
   Fail: (219) [system] char_type(')', 'white')
   Call: (219) [system] char_type(')', end_of_line)
   Fail: (219) [system] char_type(')', end_of_line)
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] char_type(')', cntrl)
   Fail: (219) [system] char_type(')', cntrl)
^  Fail: (218) [user] is_like_space(')')
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _410888)
   Exit: (217) [system] peek_char((0x563acd73bee0), ')')
   Call: (217) [system] ')'=')'
   Exit: (217) [system] ')'=')'
   Call: (217) [system] get_char((0x563acd73bee0), _414678)
   Exit: (217) [system] get_char((0x563acd73bee0), ')')
   Call: (217) [system] _393020=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_list(')', (0x563acd73bee0), [])
   Call: (216) [system] _262220=[abc]
   Exit: (216) [system] [abc]=[abc]
^  Exit: (215) [user] read_list(')', (0x563acd73bee0), [abc])
   Call: (215) [system] _133292=[abc, abc]
   Exit: (215) [system] [abc, abc]=[abc, abc]
^  Exit: (214) [user] read_list(')', (0x563acd73bee0), [abc, abc])
   Call: (214) [system] _5168=['DisjunctionIntroduction', abc, abc]
   Exit: (214) [system] ['DisjunctionIntroduction', abc, abc]=['DisjunctionIntroduction', abc, abc]
^  Exit: (213) [user] read_list(')', (0x563acd73bee0), ['DisjunctionIntroduction', abc, abc])
^  Exit: (212) [user] cont_sexpr(')', (0x563acd73bee0), ['DisjunctionIntroduction', abc, abc])
^  Call: (212) [user] read_list(')', (0x563acd73bee0), _428560)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _430418)
   Exit: (214) [system] peek_char((0x563acd73bee0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x563acd73bee0), _440012)
   Exit: (214) [system] get_char((0x563acd73bee0), ' ')
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _442716)
   Exit: (215) [system] peek_char((0x563acd73bee0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _459650)
   Exit: (213) [system] peek_char((0x563acd73bee0), '(')
   Call: (213) [system] '('=')'
   Fail: (213) [system] '('=')'
   Call: (213) [system] '('=end_of_file
   Fail: (213) [system] '('=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x563acd73bee0), _465220)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _467078)
   Exit: (215) [system] peek_char((0x563acd73bee0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] get_char((0x563acd73bee0), _483088)
   Exit: (214) [system] get_char((0x563acd73bee0), '(')
   Call: (214) [system] '('='('
   Exit: (214) [system] '('='('
^  Call: (214) [user] read_list(')', (0x563acd73bee0), _465220)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _488658)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'O')
   Call: (216) [system] 'O'=(;)
   Fail: (216) [system] 'O'=(;)
   Call: (216) [system] 'O'=(/)
   Fail: (216) [system] 'O'=(/)
^  Call: (216) [user] is_like_space('O')
   Call: (217) [system] char_type('O', 'white')
   Fail: (217) [system] char_type('O', 'white')
   Call: (217) [system] char_type('O', end_of_line)
   Fail: (217) [system] char_type('O', end_of_line)
   Call: (217) [system] char_type('O', space)
   Fail: (217) [system] char_type('O', space)
   Call: (217) [system] char_type('O', cntrl)
   Fail: (217) [system] char_type('O', cntrl)
^  Fail: (216) [user] is_like_space('O')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _504668)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'O')
   Call: (215) [system] 'O'=')'
   Fail: (215) [system] 'O'=')'
   Call: (215) [system] 'O'=end_of_file
   Fail: (215) [system] 'O'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x563acd73bee0), _510238)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _512096)
   Exit: (217) [system] peek_char((0x563acd73bee0), 'O')
   Call: (217) [system] 'O'=(;)
   Fail: (217) [system] 'O'=(;)
   Call: (217) [system] 'O'=(/)
   Fail: (217) [system] 'O'=(/)
^  Call: (217) [user] is_like_space('O')
   Call: (218) [system] char_type('O', 'white')
   Fail: (218) [system] char_type('O', 'white')
   Call: (218) [system] char_type('O', end_of_line)
   Fail: (218) [system] char_type('O', end_of_line)
   Call: (218) [system] char_type('O', space)
   Fail: (218) [system] char_type('O', space)
   Call: (218) [system] char_type('O', cntrl)
   Fail: (218) [system] char_type('O', cntrl)
^  Fail: (217) [user] is_like_space('O')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] get_char((0x563acd73bee0), _528106)
   Exit: (216) [system] get_char((0x563acd73bee0), 'O')
   Call: (216) [system] 'O'='('
   Fail: (216) [system] 'O'='('
   Call: (216) [system] 'O'='['
   Fail: (216) [system] 'O'='['
   Call: (216) [system] 'O'='{'
   Fail: (216) [system] 'O'='{'
   Call: (216) [system] 'O'='"'
   Fail: (216) [system] 'O'='"'
   Call: (216) [system] 'O'=!
   Fail: (216) [system] 'O'=!
   Call: (216) [system] 'O'='\''
   Fail: (216) [system] 'O'='\''
   Call: (216) [system] 'O'='`'
   Fail: (216) [system] 'O'='`'
   Call: (216) [system] 'O'=end_of_file
   Fail: (216) [system] 'O'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x563acd73bee0), 'O', _510238)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _545748)
   Call: (218) [system] peek_char((0x563acd73bee0), _546682)
   Exit: (218) [system] peek_char((0x563acd73bee0), r)
^  Call: (218) [user] is_delimiter(r)
   Call: (219) [system] char_type(r, space)
   Fail: (219) [system] char_type(r, space)
   Call: (219) [system] arg(_551402, v('(', ')', end_of_file), r)
   Fail: (219) [system] arg(_552334, v('(', ')', end_of_file), r)
^  Fail: (218) [user] is_delimiter(r)
   Call: (218) [system] ')'==r
   Fail: (218) [system] ')'==r
   Call: (218) [system] get_char((0x563acd73bee0), r)
   Exit: (218) [system] get_char((0x563acd73bee0), r)
   Call: (218) [system] r=(\)
   Fail: (218) [system] r=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _559684)
   Call: (219) [system] peek_char((0x563acd73bee0), _560618)
   Exit: (219) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (219) [user] is_delimiter('L')
   Call: (220) [system] char_type('L', space)
   Fail: (220) [system] char_type('L', space)
   Call: (220) [system] arg(_565338, v('(', ')', end_of_file), 'L')
   Fail: (220) [system] arg(_566270, v('(', ')', end_of_file), 'L')
^  Fail: (219) [user] is_delimiter('L')
   Call: (219) [system] ')'=='L'
   Fail: (219) [system] ')'=='L'
   Call: (219) [system] get_char((0x563acd73bee0), 'L')
   Exit: (219) [system] get_char((0x563acd73bee0), 'L')
   Call: (219) [system] 'L'=(\)
   Fail: (219) [system] 'L'=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _573620)
   Call: (220) [system] peek_char((0x563acd73bee0), _574554)
   Exit: (220) [system] peek_char((0x563acd73bee0), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_579274, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_580206, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x563acd73bee0), i)
   Exit: (220) [system] get_char((0x563acd73bee0), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _587556)
   Call: (221) [system] peek_char((0x563acd73bee0), _588490)
   Exit: (221) [system] peek_char((0x563acd73bee0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_593210, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_594142, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x563acd73bee0), n)
   Exit: (221) [system] get_char((0x563acd73bee0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _601492)
   Call: (222) [system] peek_char((0x563acd73bee0), _602426)
   Exit: (222) [system] peek_char((0x563acd73bee0), k)
^  Call: (222) [user] is_delimiter(k)
   Call: (223) [system] char_type(k, space)
   Fail: (223) [system] char_type(k, space)
   Call: (223) [system] arg(_607146, v('(', ')', end_of_file), k)
   Fail: (223) [system] arg(_608078, v('(', ')', end_of_file), k)
^  Fail: (222) [user] is_delimiter(k)
   Call: (222) [system] ')'==k
   Fail: (222) [system] ')'==k
   Call: (222) [system] get_char((0x563acd73bee0), k)
   Exit: (222) [system] get_char((0x563acd73bee0), k)
   Call: (222) [system] k=(\)
   Fail: (222) [system] k=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _615428)
   Call: (223) [system] peek_char((0x563acd73bee0), _616362)
   Exit: (223) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _615428=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (222) [system] _601492=[k]
   Exit: (222) [system] [k]=[k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (221) [system] _587556=[n, k]
   Exit: (221) [system] [n, k]=[n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (220) [system] _573620=[i, n, k]
   Exit: (220) [system] [i, n, k]=[i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (219) [system] _559684=['L', i, n, k]
   Exit: (219) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (218) [system] _545748=[r, 'L', i, n, k]
   Exit: (218) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (217) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _510238)
^  Call: (218) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _639616)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_640568, _640570), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _639616), _640550, fail)), '$restore_trace'(_640568, _640570))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_640568, _640570))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _639616), _640550, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_639616)
   Fail: (219) [system] atomic(_639616)
   Call: (219) [system] atom_chars(_639616, ['O', r, 'L', i, n, k])
   Exit: (219) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (218) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (218) [system] integer('OrLink')
   Fail: (218) [system] integer('OrLink')
   Call: (218) [system] _510238='OrLink'
   Exit: (218) [system] 'OrLink'='OrLink'
^  Exit: (217) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (216) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (215) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (215) [user] read_list(')', (0x563acd73bee0), _654566)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _656424)
   Exit: (217) [system] peek_char((0x563acd73bee0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x563acd73bee0), _666018)
   Exit: (217) [system] get_char((0x563acd73bee0), ' ')
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _668722)
   Exit: (218) [system] peek_char((0x563acd73bee0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _685656)
   Exit: (216) [system] peek_char((0x563acd73bee0), '(')
   Call: (216) [system] '('=')'
   Fail: (216) [system] '('=')'
   Call: (216) [system] '('=end_of_file
   Fail: (216) [system] '('=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x563acd73bee0), _691226)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _693084)
   Exit: (218) [system] peek_char((0x563acd73bee0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] get_char((0x563acd73bee0), _709094)
   Exit: (217) [system] get_char((0x563acd73bee0), '(')
   Call: (217) [system] '('='('
   Exit: (217) [system] '('='('
^  Call: (217) [user] read_list(')', (0x563acd73bee0), _691226)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _714664)
   Exit: (219) [system] peek_char((0x563acd73bee0), 'I')
   Call: (219) [system] 'I'=(;)
   Fail: (219) [system] 'I'=(;)
   Call: (219) [system] 'I'=(/)
   Fail: (219) [system] 'I'=(/)
^  Call: (219) [user] is_like_space('I')
   Call: (220) [system] char_type('I', 'white')
   Fail: (220) [system] char_type('I', 'white')
   Call: (220) [system] char_type('I', end_of_line)
   Fail: (220) [system] char_type('I', end_of_line)
   Call: (220) [system] char_type('I', space)
   Fail: (220) [system] char_type('I', space)
   Call: (220) [system] char_type('I', cntrl)
   Fail: (220) [system] char_type('I', cntrl)
^  Fail: (219) [user] is_like_space('I')
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _730674)
   Exit: (218) [system] peek_char((0x563acd73bee0), 'I')
   Call: (218) [system] 'I'=')'
   Fail: (218) [system] 'I'=')'
   Call: (218) [system] 'I'=end_of_file
   Fail: (218) [system] 'I'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x563acd73bee0), _736244)
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _738102)
   Exit: (220) [system] peek_char((0x563acd73bee0), 'I')
   Call: (220) [system] 'I'=(;)
   Fail: (220) [system] 'I'=(;)
   Call: (220) [system] 'I'=(/)
   Fail: (220) [system] 'I'=(/)
^  Call: (220) [user] is_like_space('I')
   Call: (221) [system] char_type('I', 'white')
   Fail: (221) [system] char_type('I', 'white')
   Call: (221) [system] char_type('I', end_of_line)
   Fail: (221) [system] char_type('I', end_of_line)
   Call: (221) [system] char_type('I', space)
   Fail: (221) [system] char_type('I', space)
   Call: (221) [system] char_type('I', cntrl)
   Fail: (221) [system] char_type('I', cntrl)
^  Fail: (220) [user] is_like_space('I')
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] get_char((0x563acd73bee0), _754112)
   Exit: (219) [system] get_char((0x563acd73bee0), 'I')
   Call: (219) [system] 'I'='('
   Fail: (219) [system] 'I'='('
   Call: (219) [system] 'I'='['
   Fail: (219) [system] 'I'='['
   Call: (219) [system] 'I'='{'
   Fail: (219) [system] 'I'='{'
   Call: (219) [system] 'I'='"'
   Fail: (219) [system] 'I'='"'
   Call: (219) [system] 'I'=!
   Fail: (219) [system] 'I'=!
   Call: (219) [system] 'I'='\''
   Fail: (219) [system] 'I'='\''
   Call: (219) [system] 'I'='`'
   Fail: (219) [system] 'I'='`'
   Call: (219) [system] 'I'=end_of_file
   Fail: (219) [system] 'I'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x563acd73bee0), 'I', _736244)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _771754)
   Call: (221) [system] peek_char((0x563acd73bee0), _772688)
   Exit: (221) [system] peek_char((0x563acd73bee0), m)
^  Call: (221) [user] is_delimiter(m)
   Call: (222) [system] char_type(m, space)
   Fail: (222) [system] char_type(m, space)
   Call: (222) [system] arg(_777408, v('(', ')', end_of_file), m)
   Fail: (222) [system] arg(_778340, v('(', ')', end_of_file), m)
^  Fail: (221) [user] is_delimiter(m)
   Call: (221) [system] ')'==m
   Fail: (221) [system] ')'==m
   Call: (221) [system] get_char((0x563acd73bee0), m)
   Exit: (221) [system] get_char((0x563acd73bee0), m)
   Call: (221) [system] m=(\)
   Fail: (221) [system] m=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _785690)
   Call: (222) [system] peek_char((0x563acd73bee0), _786624)
   Exit: (222) [system] peek_char((0x563acd73bee0), p)
^  Call: (222) [user] is_delimiter(p)
   Call: (223) [system] char_type(p, space)
   Fail: (223) [system] char_type(p, space)
   Call: (223) [system] arg(_791344, v('(', ')', end_of_file), p)
   Fail: (223) [system] arg(_792276, v('(', ')', end_of_file), p)
^  Fail: (222) [user] is_delimiter(p)
   Call: (222) [system] ')'==p
   Fail: (222) [system] ')'==p
   Call: (222) [system] get_char((0x563acd73bee0), p)
   Exit: (222) [system] get_char((0x563acd73bee0), p)
   Call: (222) [system] p=(\)
   Fail: (222) [system] p=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _799626)
   Call: (223) [system] peek_char((0x563acd73bee0), _800560)
   Exit: (223) [system] peek_char((0x563acd73bee0), l)
^  Call: (223) [user] is_delimiter(l)
   Call: (224) [system] char_type(l, space)
   Fail: (224) [system] char_type(l, space)
   Call: (224) [system] arg(_805280, v('(', ')', end_of_file), l)
   Fail: (224) [system] arg(_806212, v('(', ')', end_of_file), l)
^  Fail: (223) [user] is_delimiter(l)
   Call: (223) [system] ')'==l
   Fail: (223) [system] ')'==l
   Call: (223) [system] get_char((0x563acd73bee0), l)
   Exit: (223) [system] get_char((0x563acd73bee0), l)
   Call: (223) [system] l=(\)
   Fail: (223) [system] l=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _813562)
   Call: (224) [system] peek_char((0x563acd73bee0), _814496)
   Exit: (224) [system] peek_char((0x563acd73bee0), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Fail: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_819216, v('(', ')', end_of_file), i)
   Fail: (225) [system] arg(_820148, v('(', ')', end_of_file), i)
^  Fail: (224) [user] is_delimiter(i)
   Call: (224) [system] ')'==i
   Fail: (224) [system] ')'==i
   Call: (224) [system] get_char((0x563acd73bee0), i)
   Exit: (224) [system] get_char((0x563acd73bee0), i)
   Call: (224) [system] i=(\)
   Fail: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _827498)
   Call: (225) [system] peek_char((0x563acd73bee0), _828432)
   Exit: (225) [system] peek_char((0x563acd73bee0), c)
^  Call: (225) [user] is_delimiter(c)
   Call: (226) [system] char_type(c, space)
   Fail: (226) [system] char_type(c, space)
   Call: (226) [system] arg(_833152, v('(', ')', end_of_file), c)
   Fail: (226) [system] arg(_834084, v('(', ')', end_of_file), c)
^  Fail: (225) [user] is_delimiter(c)
   Call: (225) [system] ')'==c
   Fail: (225) [system] ')'==c
   Call: (225) [system] get_char((0x563acd73bee0), c)
   Exit: (225) [system] get_char((0x563acd73bee0), c)
   Call: (225) [system] c=(\)
   Fail: (225) [system] c=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _841434)
   Call: (226) [system] peek_char((0x563acd73bee0), _842368)
   Exit: (226) [system] peek_char((0x563acd73bee0), a)
^  Call: (226) [user] is_delimiter(a)
   Call: (227) [system] char_type(a, space)
   Fail: (227) [system] char_type(a, space)
   Call: (227) [system] arg(_847088, v('(', ')', end_of_file), a)
   Fail: (227) [system] arg(_848020, v('(', ')', end_of_file), a)
^  Fail: (226) [user] is_delimiter(a)
   Call: (226) [system] ')'==a
   Fail: (226) [system] ')'==a
   Call: (226) [system] get_char((0x563acd73bee0), a)
   Exit: (226) [system] get_char((0x563acd73bee0), a)
   Call: (226) [system] a=(\)
   Fail: (226) [system] a=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _855370)
   Call: (227) [system] peek_char((0x563acd73bee0), _856304)
   Exit: (227) [system] peek_char((0x563acd73bee0), t)
^  Call: (227) [user] is_delimiter(t)
   Call: (228) [system] char_type(t, space)
   Fail: (228) [system] char_type(t, space)
   Call: (228) [system] arg(_861024, v('(', ')', end_of_file), t)
   Fail: (228) [system] arg(_861956, v('(', ')', end_of_file), t)
^  Fail: (227) [user] is_delimiter(t)
   Call: (227) [system] ')'==t
   Fail: (227) [system] ')'==t
   Call: (227) [system] get_char((0x563acd73bee0), t)
   Exit: (227) [system] get_char((0x563acd73bee0), t)
   Call: (227) [system] t=(\)
   Fail: (227) [system] t=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _869306)
   Call: (228) [system] peek_char((0x563acd73bee0), _870240)
   Exit: (228) [system] peek_char((0x563acd73bee0), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_874960, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_875892, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x563acd73bee0), i)
   Exit: (228) [system] get_char((0x563acd73bee0), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _883242)
   Call: (229) [system] peek_char((0x563acd73bee0), _884176)
   Exit: (229) [system] peek_char((0x563acd73bee0), o)
^  Call: (229) [user] is_delimiter(o)
   Call: (230) [system] char_type(o, space)
   Fail: (230) [system] char_type(o, space)
   Call: (230) [system] arg(_888896, v('(', ')', end_of_file), o)
   Fail: (230) [system] arg(_889828, v('(', ')', end_of_file), o)
^  Fail: (229) [user] is_delimiter(o)
   Call: (229) [system] ')'==o
   Fail: (229) [system] ')'==o
   Call: (229) [system] get_char((0x563acd73bee0), o)
   Exit: (229) [system] get_char((0x563acd73bee0), o)
   Call: (229) [system] o=(\)
   Fail: (229) [system] o=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _897178)
   Call: (230) [system] peek_char((0x563acd73bee0), _898112)
   Exit: (230) [system] peek_char((0x563acd73bee0), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_902832, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_903764, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x563acd73bee0), n)
   Exit: (230) [system] get_char((0x563acd73bee0), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _911114)
   Call: (231) [system] peek_char((0x563acd73bee0), _912048)
   Exit: (231) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _911114=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (230) [system] _897178=[n]
   Exit: (230) [system] [n]=[n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (229) [system] _883242=[o, n]
   Exit: (229) [system] [o, n]=[o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (228) [system] _869306=[i, o, n]
   Exit: (228) [system] [i, o, n]=[i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (227) [system] _855370=[t, i, o, n]
   Exit: (227) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (226) [system] _841434=[a, t, i, o, n]
   Exit: (226) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (225) [system] _827498=[c, a, t, i, o, n]
   Exit: (225) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (224) [system] _813562=[i, c, a, t, i, o, n]
   Exit: (224) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (223) [system] _799626=[l, i, c, a, t, i, o, n]
   Exit: (223) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (222) [system] _785690=[p, l, i, c, a, t, i, o, n]
   Exit: (222) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (221) [system] _771754=[m, p, l, i, c, a, t, i, o, n]
   Exit: (221) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (220) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _736244)
^  Call: (221) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _949272)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_950224, _950226), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _949272), _950206, fail)), '$restore_trace'(_950224, _950226))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_950224, _950226))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _949272), _950206, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_949272)
   Fail: (222) [system] atomic(_949272)
   Call: (222) [system] atom_chars(_949272, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (222) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (221) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (221) [system] integer('Implication')
   Fail: (221) [system] integer('Implication')
   Call: (221) [system] _736244='Implication'
   Exit: (221) [system] 'Implication'='Implication'
^  Exit: (220) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (219) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (218) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (218) [user] read_list(')', (0x563acd73bee0), _964222)
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _966080)
   Exit: (220) [system] peek_char((0x563acd73bee0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x563acd73bee0), _975674)
   Exit: (220) [system] get_char((0x563acd73bee0), ' ')
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _978378)
   Exit: (221) [system] peek_char((0x563acd73bee0), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _995312)
   Exit: (219) [system] peek_char((0x563acd73bee0), '(')
   Call: (219) [system] '('=')'
   Fail: (219) [system] '('=')'
   Call: (219) [system] '('=end_of_file
   Fail: (219) [system] '('=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x563acd73bee0), _1000882)
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _1002740)
   Exit: (221) [system] peek_char((0x563acd73bee0), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] get_char((0x563acd73bee0), _1018750)
   Exit: (220) [system] get_char((0x563acd73bee0), '(')
   Call: (220) [system] '('='('
   Exit: (220) [system] '('='('
^  Call: (220) [user] read_list(')', (0x563acd73bee0), _1000882)
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _1024320)
   Exit: (222) [system] peek_char((0x563acd73bee0), 'A')
   Call: (222) [system] 'A'=(;)
   Fail: (222) [system] 'A'=(;)
   Call: (222) [system] 'A'=(/)
   Fail: (222) [system] 'A'=(/)
^  Call: (222) [user] is_like_space('A')
   Call: (223) [system] char_type('A', 'white')
   Fail: (223) [system] char_type('A', 'white')
   Call: (223) [system] char_type('A', end_of_line)
   Fail: (223) [system] char_type('A', end_of_line)
   Call: (223) [system] char_type('A', space)
   Fail: (223) [system] char_type('A', space)
   Call: (223) [system] char_type('A', cntrl)
   Fail: (223) [system] char_type('A', cntrl)
^  Fail: (222) [user] is_like_space('A')
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _1040330)
   Exit: (221) [system] peek_char((0x563acd73bee0), 'A')
   Call: (221) [system] 'A'=')'
   Fail: (221) [system] 'A'=')'
   Call: (221) [system] 'A'=end_of_file
   Fail: (221) [system] 'A'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x563acd73bee0), _1045900)
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _1047758)
   Exit: (223) [system] peek_char((0x563acd73bee0), 'A')
   Call: (223) [system] 'A'=(;)
   Fail: (223) [system] 'A'=(;)
   Call: (223) [system] 'A'=(/)
   Fail: (223) [system] 'A'=(/)
^  Call: (223) [user] is_like_space('A')
   Call: (224) [system] char_type('A', 'white')
   Fail: (224) [system] char_type('A', 'white')
   Call: (224) [system] char_type('A', end_of_line)
   Fail: (224) [system] char_type('A', end_of_line)
   Call: (224) [system] char_type('A', space)
   Fail: (224) [system] char_type('A', space)
   Call: (224) [system] char_type('A', cntrl)
   Fail: (224) [system] char_type('A', cntrl)
^  Fail: (223) [user] is_like_space('A')
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] get_char((0x563acd73bee0), _1063768)
   Exit: (222) [system] get_char((0x563acd73bee0), 'A')
   Call: (222) [system] 'A'='('
   Fail: (222) [system] 'A'='('
   Call: (222) [system] 'A'='['
   Fail: (222) [system] 'A'='['
   Call: (222) [system] 'A'='{'
   Fail: (222) [system] 'A'='{'
   Call: (222) [system] 'A'='"'
   Fail: (222) [system] 'A'='"'
   Call: (222) [system] 'A'=!
   Fail: (222) [system] 'A'=!
   Call: (222) [system] 'A'='\''
   Fail: (222) [system] 'A'='\''
   Call: (222) [system] 'A'='`'
   Fail: (222) [system] 'A'='`'
   Call: (222) [system] 'A'=end_of_file
   Fail: (222) [system] 'A'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x563acd73bee0), 'A', _1045900)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _1081410)
   Call: (224) [system] peek_char((0x563acd73bee0), _1082344)
   Exit: (224) [system] peek_char((0x563acd73bee0), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_1087064, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_1087996, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x563acd73bee0), n)
   Exit: (224) [system] get_char((0x563acd73bee0), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _1095346)
   Call: (225) [system] peek_char((0x563acd73bee0), _1096280)
   Exit: (225) [system] peek_char((0x563acd73bee0), d)
^  Call: (225) [user] is_delimiter(d)
   Call: (226) [system] char_type(d, space)
   Fail: (226) [system] char_type(d, space)
   Call: (226) [system] arg(_1101000, v('(', ')', end_of_file), d)
   Fail: (226) [system] arg(_1101932, v('(', ')', end_of_file), d)
^  Fail: (225) [user] is_delimiter(d)
   Call: (225) [system] ')'==d
   Fail: (225) [system] ')'==d
   Call: (225) [system] get_char((0x563acd73bee0), d)
   Exit: (225) [system] get_char((0x563acd73bee0), d)
   Call: (225) [system] d=(\)
   Fail: (225) [system] d=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _1109282)
   Call: (226) [system] peek_char((0x563acd73bee0), _1110216)
   Exit: (226) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (226) [user] is_delimiter('L')
   Call: (227) [system] char_type('L', space)
   Fail: (227) [system] char_type('L', space)
   Call: (227) [system] arg(_1114936, v('(', ')', end_of_file), 'L')
   Fail: (227) [system] arg(_1115868, v('(', ')', end_of_file), 'L')
^  Fail: (226) [user] is_delimiter('L')
   Call: (226) [system] ')'=='L'
   Fail: (226) [system] ')'=='L'
   Call: (226) [system] get_char((0x563acd73bee0), 'L')
   Exit: (226) [system] get_char((0x563acd73bee0), 'L')
   Call: (226) [system] 'L'=(\)
   Fail: (226) [system] 'L'=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _1123218)
   Call: (227) [system] peek_char((0x563acd73bee0), _1124152)
   Exit: (227) [system] peek_char((0x563acd73bee0), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_1128872, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_1129804, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x563acd73bee0), i)
   Exit: (227) [system] get_char((0x563acd73bee0), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _1137154)
   Call: (228) [system] peek_char((0x563acd73bee0), _1138088)
   Exit: (228) [system] peek_char((0x563acd73bee0), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_1142808, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_1143740, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x563acd73bee0), n)
   Exit: (228) [system] get_char((0x563acd73bee0), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _1151090)
   Call: (229) [system] peek_char((0x563acd73bee0), _1152024)
   Exit: (229) [system] peek_char((0x563acd73bee0), k)
^  Call: (229) [user] is_delimiter(k)
   Call: (230) [system] char_type(k, space)
   Fail: (230) [system] char_type(k, space)
   Call: (230) [system] arg(_1156744, v('(', ')', end_of_file), k)
   Fail: (230) [system] arg(_1157676, v('(', ')', end_of_file), k)
^  Fail: (229) [user] is_delimiter(k)
   Call: (229) [system] ')'==k
   Fail: (229) [system] ')'==k
   Call: (229) [system] get_char((0x563acd73bee0), k)
   Exit: (229) [system] get_char((0x563acd73bee0), k)
   Call: (229) [system] k=(\)
   Fail: (229) [system] k=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _1165026)
   Call: (230) [system] peek_char((0x563acd73bee0), _1165960)
   Exit: (230) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _1165026=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (229) [system] _1151090=[k]
   Exit: (229) [system] [k]=[k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (228) [system] _1137154=[n, k]
   Exit: (228) [system] [n, k]=[n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (227) [system] _1123218=[i, n, k]
   Exit: (227) [system] [i, n, k]=[i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (226) [system] _1109282=['L', i, n, k]
   Exit: (226) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (225) [system] _1095346=[d, 'L', i, n, k]
   Exit: (225) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, 'L', i, n, k])
   Call: (224) [system] _1081410=[n, d, 'L', i, n, k]
   Exit: (224) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, d, 'L', i, n, k])
^  Call: (223) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1045900)
^  Call: (224) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1192008)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_1192960, _1192962), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1192008), _1192942, fail)), '$restore_trace'(_1192960, _1192962))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_1192960, _1192962))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1192008), _1192942, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_1192008)
   Fail: (225) [system] atomic(_1192008)
   Call: (225) [system] atom_chars(_1192008, ['A', n, d, 'L', i, n, k])
   Exit: (225) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (224) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (224) [system] integer('AndLink')
   Fail: (224) [system] integer('AndLink')
   Call: (224) [system] _1045900='AndLink'
   Exit: (224) [system] 'AndLink'='AndLink'
^  Exit: (223) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (222) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'AndLink')
^  Exit: (221) [user] cont_sexpr(')', (0x563acd73bee0), 'AndLink')
^  Call: (221) [user] read_list(')', (0x563acd73bee0), _1206958)
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _1208816)
   Exit: (223) [system] peek_char((0x563acd73bee0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x563acd73bee0), _1218410)
   Exit: (223) [system] get_char((0x563acd73bee0), ' ')
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _1221114)
   Exit: (224) [system] peek_char((0x563acd73bee0), 'A')
   Call: (224) [system] 'A'=(;)
   Fail: (224) [system] 'A'=(;)
   Call: (224) [system] 'A'=(/)
   Fail: (224) [system] 'A'=(/)
^  Call: (224) [user] is_like_space('A')
   Call: (225) [system] char_type('A', 'white')
   Fail: (225) [system] char_type('A', 'white')
   Call: (225) [system] char_type('A', end_of_line)
   Fail: (225) [system] char_type('A', end_of_line)
   Call: (225) [system] char_type('A', space)
   Fail: (225) [system] char_type('A', space)
   Call: (225) [system] char_type('A', cntrl)
   Fail: (225) [system] char_type('A', cntrl)
^  Fail: (224) [user] is_like_space('A')
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _1238048)
   Exit: (222) [system] peek_char((0x563acd73bee0), 'A')
   Call: (222) [system] 'A'=')'
   Fail: (222) [system] 'A'=')'
   Call: (222) [system] 'A'=end_of_file
   Fail: (222) [system] 'A'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x563acd73bee0), _1243618)
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _1245476)
   Exit: (224) [system] peek_char((0x563acd73bee0), 'A')
   Call: (224) [system] 'A'=(;)
   Fail: (224) [system] 'A'=(;)
   Call: (224) [system] 'A'=(/)
   Fail: (224) [system] 'A'=(/)
^  Call: (224) [user] is_like_space('A')
   Call: (225) [system] char_type('A', 'white')
   Fail: (225) [system] char_type('A', 'white')
   Call: (225) [system] char_type('A', end_of_line)
   Fail: (225) [system] char_type('A', end_of_line)
   Call: (225) [system] char_type('A', space)
   Fail: (225) [system] char_type('A', space)
   Call: (225) [system] char_type('A', cntrl)
   Fail: (225) [system] char_type('A', cntrl)
^  Fail: (224) [user] is_like_space('A')
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] get_char((0x563acd73bee0), _1261486)
   Exit: (223) [system] get_char((0x563acd73bee0), 'A')
   Call: (223) [system] 'A'='('
   Fail: (223) [system] 'A'='('
   Call: (223) [system] 'A'='['
   Fail: (223) [system] 'A'='['
   Call: (223) [system] 'A'='{'
   Fail: (223) [system] 'A'='{'
   Call: (223) [system] 'A'='"'
   Fail: (223) [system] 'A'='"'
   Call: (223) [system] 'A'=!
   Fail: (223) [system] 'A'=!
   Call: (223) [system] 'A'='\''
   Fail: (223) [system] 'A'='\''
   Call: (223) [system] 'A'='`'
   Fail: (223) [system] 'A'='`'
   Call: (223) [system] 'A'=end_of_file
   Fail: (223) [system] 'A'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x563acd73bee0), 'A', _1243618)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _1279128)
   Call: (225) [system] peek_char((0x563acd73bee0), _1280062)
   Exit: (225) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _1279128=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (224) [user] classify_and_convert_charseq(['A'], _1243618)
^  Call: (225) [user] classify_and_convert_charseq_(['A'], _1289346)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1290298, _1290300), once(user:catch(read_from_chars(['A'], _1289346), _1290280, fail)), '$restore_trace'(_1290298, _1290300))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1290298, _1290300))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1289346), _1290280, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_1289346)
   Fail: (226) [system] atomic(_1289346)
   Call: (226) [system] atom_chars(_1289346, ['A'])
   Exit: (226) [system] atom_chars('A', ['A'])
^  Exit: (225) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (225) [system] integer('A')
   Fail: (225) [system] integer('A')
   Call: (225) [system] _1243618='A'
   Exit: (225) [system] 'A'='A'
^  Exit: (224) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (223) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (222) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (222) [user] read_list(')', (0x563acd73bee0), _1304296)
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _1306154)
   Exit: (224) [system] peek_char((0x563acd73bee0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x563acd73bee0), _1315748)
   Exit: (224) [system] get_char((0x563acd73bee0), ' ')
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _1318452)
   Exit: (225) [system] peek_char((0x563acd73bee0), 'B')
   Call: (225) [system] 'B'=(;)
   Fail: (225) [system] 'B'=(;)
   Call: (225) [system] 'B'=(/)
   Fail: (225) [system] 'B'=(/)
^  Call: (225) [user] is_like_space('B')
   Call: (226) [system] char_type('B', 'white')
   Fail: (226) [system] char_type('B', 'white')
   Call: (226) [system] char_type('B', end_of_line)
   Fail: (226) [system] char_type('B', end_of_line)
   Call: (226) [system] char_type('B', space)
   Fail: (226) [system] char_type('B', space)
   Call: (226) [system] char_type('B', cntrl)
   Fail: (226) [system] char_type('B', cntrl)
^  Fail: (225) [user] is_like_space('B')
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _1335386)
   Exit: (223) [system] peek_char((0x563acd73bee0), 'B')
   Call: (223) [system] 'B'=')'
   Fail: (223) [system] 'B'=')'
   Call: (223) [system] 'B'=end_of_file
   Fail: (223) [system] 'B'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x563acd73bee0), _1340956)
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _1342814)
   Exit: (225) [system] peek_char((0x563acd73bee0), 'B')
   Call: (225) [system] 'B'=(;)
   Fail: (225) [system] 'B'=(;)
   Call: (225) [system] 'B'=(/)
   Fail: (225) [system] 'B'=(/)
^  Call: (225) [user] is_like_space('B')
   Call: (226) [system] char_type('B', 'white')
   Fail: (226) [system] char_type('B', 'white')
   Call: (226) [system] char_type('B', end_of_line)
   Fail: (226) [system] char_type('B', end_of_line)
   Call: (226) [system] char_type('B', space)
   Fail: (226) [system] char_type('B', space)
   Call: (226) [system] char_type('B', cntrl)
   Fail: (226) [system] char_type('B', cntrl)
^  Fail: (225) [user] is_like_space('B')
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] get_char((0x563acd73bee0), _1358824)
   Exit: (224) [system] get_char((0x563acd73bee0), 'B')
   Call: (224) [system] 'B'='('
   Fail: (224) [system] 'B'='('
   Call: (224) [system] 'B'='['
   Fail: (224) [system] 'B'='['
   Call: (224) [system] 'B'='{'
   Fail: (224) [system] 'B'='{'
   Call: (224) [system] 'B'='"'
   Fail: (224) [system] 'B'='"'
   Call: (224) [system] 'B'=!
   Fail: (224) [system] 'B'=!
   Call: (224) [system] 'B'='\''
   Fail: (224) [system] 'B'='\''
   Call: (224) [system] 'B'='`'
   Fail: (224) [system] 'B'='`'
   Call: (224) [system] 'B'=end_of_file
   Fail: (224) [system] 'B'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x563acd73bee0), 'B', _1340956)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _1376466)
   Call: (226) [system] peek_char((0x563acd73bee0), _1377400)
   Exit: (226) [system] peek_char((0x563acd73bee0), ')')
^  Call: (226) [user] is_delimiter(')')
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] arg(_1382120, v('(', ')', end_of_file), ')')
   Exit: (227) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (226) [user] is_delimiter(')')
   Call: (226) [system] _1376466=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (225) [user] classify_and_convert_charseq(['B'], _1340956)
^  Call: (226) [user] classify_and_convert_charseq_(['B'], _1388556)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_1389508, _1389510), once(user:catch(read_from_chars(['B'], _1388556), _1389490, fail)), '$restore_trace'(_1389508, _1389510))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_1389508, _1389510))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1388556), _1389490, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_1388556)
   Fail: (227) [system] atomic(_1388556)
   Call: (227) [system] atom_chars(_1388556, ['B'])
   Exit: (227) [system] atom_chars('B', ['B'])
^  Exit: (226) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (226) [system] integer('B')
   Fail: (226) [system] integer('B')
   Call: (226) [system] _1340956='B'
   Exit: (226) [system] 'B'='B'
^  Exit: (225) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (224) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (223) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (223) [user] read_list(')', (0x563acd73bee0), _1403506)
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _1405364)
   Exit: (225) [system] peek_char((0x563acd73bee0), ')')
   Call: (225) [system] ')'=(;)
   Fail: (225) [system] ')'=(;)
   Call: (225) [system] ')'=(/)
   Fail: (225) [system] ')'=(/)
^  Call: (225) [user] is_like_space(')')
   Call: (226) [system] char_type(')', 'white')
   Fail: (226) [system] char_type(')', 'white')
   Call: (226) [system] char_type(')', end_of_line)
   Fail: (226) [system] char_type(')', end_of_line)
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] char_type(')', cntrl)
   Fail: (226) [system] char_type(')', cntrl)
^  Fail: (225) [user] is_like_space(')')
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _1421374)
   Exit: (224) [system] peek_char((0x563acd73bee0), ')')
   Call: (224) [system] ')'=')'
   Exit: (224) [system] ')'=')'
   Call: (224) [system] get_char((0x563acd73bee0), _1425164)
   Exit: (224) [system] get_char((0x563acd73bee0), ')')
   Call: (224) [system] _1403506=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_list(')', (0x563acd73bee0), [])
   Call: (223) [system] _1304296=['B']
   Exit: (223) [system] ['B']=['B']
^  Exit: (222) [user] read_list(')', (0x563acd73bee0), ['B'])
   Call: (222) [system] _1206958=['A', 'B']
   Exit: (222) [system] ['A', 'B']=['A', 'B']
^  Exit: (221) [user] read_list(')', (0x563acd73bee0), ['A', 'B'])
   Call: (221) [system] _1000882=['AndLink', 'A', 'B']
   Exit: (221) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (220) [user] read_list(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Exit: (219) [user] cont_sexpr(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Call: (219) [user] read_list(')', (0x563acd73bee0), _1439046)
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _1440904)
   Exit: (221) [system] peek_char((0x563acd73bee0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x563acd73bee0), _1450498)
   Exit: (221) [system] get_char((0x563acd73bee0), ' ')
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _1453202)
   Exit: (222) [system] peek_char((0x563acd73bee0), 'C')
   Call: (222) [system] 'C'=(;)
   Fail: (222) [system] 'C'=(;)
   Call: (222) [system] 'C'=(/)
   Fail: (222) [system] 'C'=(/)
^  Call: (222) [user] is_like_space('C')
   Call: (223) [system] char_type('C', 'white')
   Fail: (223) [system] char_type('C', 'white')
   Call: (223) [system] char_type('C', end_of_line)
   Fail: (223) [system] char_type('C', end_of_line)
   Call: (223) [system] char_type('C', space)
   Fail: (223) [system] char_type('C', space)
   Call: (223) [system] char_type('C', cntrl)
   Fail: (223) [system] char_type('C', cntrl)
^  Fail: (222) [user] is_like_space('C')
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _1470136)
   Exit: (220) [system] peek_char((0x563acd73bee0), 'C')
   Call: (220) [system] 'C'=')'
   Fail: (220) [system] 'C'=')'
   Call: (220) [system] 'C'=end_of_file
   Fail: (220) [system] 'C'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x563acd73bee0), _1475706)
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _1477564)
   Exit: (222) [system] peek_char((0x563acd73bee0), 'C')
   Call: (222) [system] 'C'=(;)
   Fail: (222) [system] 'C'=(;)
   Call: (222) [system] 'C'=(/)
   Fail: (222) [system] 'C'=(/)
^  Call: (222) [user] is_like_space('C')
   Call: (223) [system] char_type('C', 'white')
   Fail: (223) [system] char_type('C', 'white')
   Call: (223) [system] char_type('C', end_of_line)
   Fail: (223) [system] char_type('C', end_of_line)
   Call: (223) [system] char_type('C', space)
   Fail: (223) [system] char_type('C', space)
   Call: (223) [system] char_type('C', cntrl)
   Fail: (223) [system] char_type('C', cntrl)
^  Fail: (222) [user] is_like_space('C')
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] get_char((0x563acd73bee0), _1493574)
   Exit: (221) [system] get_char((0x563acd73bee0), 'C')
   Call: (221) [system] 'C'='('
   Fail: (221) [system] 'C'='('
   Call: (221) [system] 'C'='['
   Fail: (221) [system] 'C'='['
   Call: (221) [system] 'C'='{'
   Fail: (221) [system] 'C'='{'
   Call: (221) [system] 'C'='"'
   Fail: (221) [system] 'C'='"'
   Call: (221) [system] 'C'=!
   Fail: (221) [system] 'C'=!
   Call: (221) [system] 'C'='\''
   Fail: (221) [system] 'C'='\''
   Call: (221) [system] 'C'='`'
   Fail: (221) [system] 'C'='`'
   Call: (221) [system] 'C'=end_of_file
   Fail: (221) [system] 'C'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x563acd73bee0), 'C', _1475706)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _1511216)
   Call: (223) [system] peek_char((0x563acd73bee0), _1512150)
   Exit: (223) [system] peek_char((0x563acd73bee0), ')')
^  Call: (223) [user] is_delimiter(')')
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] arg(_1516870, v('(', ')', end_of_file), ')')
   Exit: (224) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (223) [user] is_delimiter(')')
   Call: (223) [system] _1511216=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (222) [user] classify_and_convert_charseq(['C'], _1475706)
^  Call: (223) [user] classify_and_convert_charseq_(['C'], _1523306)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_1524258, _1524260), once(user:catch(read_from_chars(['C'], _1523306), _1524240, fail)), '$restore_trace'(_1524258, _1524260))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_1524258, _1524260))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1523306), _1524240, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_1523306)
   Fail: (224) [system] atomic(_1523306)
   Call: (224) [system] atom_chars(_1523306, ['C'])
   Exit: (224) [system] atom_chars('C', ['C'])
^  Exit: (223) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (223) [system] integer('C')
   Fail: (223) [system] integer('C')
   Call: (223) [system] _1475706='C'
   Exit: (223) [system] 'C'='C'
^  Exit: (222) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (221) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (220) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (220) [user] read_list(')', (0x563acd73bee0), _1538256)
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _1540114)
   Exit: (222) [system] peek_char((0x563acd73bee0), ')')
   Call: (222) [system] ')'=(;)
   Fail: (222) [system] ')'=(;)
   Call: (222) [system] ')'=(/)
   Fail: (222) [system] ')'=(/)
^  Call: (222) [user] is_like_space(')')
   Call: (223) [system] char_type(')', 'white')
   Fail: (223) [system] char_type(')', 'white')
   Call: (223) [system] char_type(')', end_of_line)
   Fail: (223) [system] char_type(')', end_of_line)
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] char_type(')', cntrl)
   Fail: (223) [system] char_type(')', cntrl)
^  Fail: (222) [user] is_like_space(')')
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _1556124)
   Exit: (221) [system] peek_char((0x563acd73bee0), ')')
   Call: (221) [system] ')'=')'
   Exit: (221) [system] ')'=')'
   Call: (221) [system] get_char((0x563acd73bee0), _1559914)
   Exit: (221) [system] get_char((0x563acd73bee0), ')')
   Call: (221) [system] _1538256=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_list(')', (0x563acd73bee0), [])
   Call: (220) [system] _1439046=['C']
   Exit: (220) [system] ['C']=['C']
^  Exit: (219) [user] read_list(')', (0x563acd73bee0), ['C'])
   Call: (219) [system] _964222=[['AndLink', 'A', 'B'], 'C']
   Exit: (219) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (218) [user] read_list(')', (0x563acd73bee0), [['AndLink', 'A', 'B'], 'C'])
   Call: (218) [system] _691226=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (218) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (217) [user] read_list(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (216) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (216) [user] read_list(')', (0x563acd73bee0), _1573796)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _1575654)
   Exit: (218) [system] peek_char((0x563acd73bee0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x563acd73bee0), _1585248)
   Exit: (218) [system] get_char((0x563acd73bee0), ' ')
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _1587952)
   Exit: (219) [system] peek_char((0x563acd73bee0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1604886)
   Exit: (217) [system] peek_char((0x563acd73bee0), '(')
   Call: (217) [system] '('=')'
   Fail: (217) [system] '('=')'
   Call: (217) [system] '('=end_of_file
   Fail: (217) [system] '('=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x563acd73bee0), _1610456)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _1612314)
   Exit: (219) [system] peek_char((0x563acd73bee0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] get_char((0x563acd73bee0), _1628324)
   Exit: (218) [system] get_char((0x563acd73bee0), '(')
   Call: (218) [system] '('='('
   Exit: (218) [system] '('='('
^  Call: (218) [user] read_list(')', (0x563acd73bee0), _1610456)
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _1633894)
   Exit: (220) [system] peek_char((0x563acd73bee0), 'I')
   Call: (220) [system] 'I'=(;)
   Fail: (220) [system] 'I'=(;)
   Call: (220) [system] 'I'=(/)
   Fail: (220) [system] 'I'=(/)
^  Call: (220) [user] is_like_space('I')
   Call: (221) [system] char_type('I', 'white')
   Fail: (221) [system] char_type('I', 'white')
   Call: (221) [system] char_type('I', end_of_line)
   Fail: (221) [system] char_type('I', end_of_line)
   Call: (221) [system] char_type('I', space)
   Fail: (221) [system] char_type('I', space)
   Call: (221) [system] char_type('I', cntrl)
   Fail: (221) [system] char_type('I', cntrl)
^  Fail: (220) [user] is_like_space('I')
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _1649904)
   Exit: (219) [system] peek_char((0x563acd73bee0), 'I')
   Call: (219) [system] 'I'=')'
   Fail: (219) [system] 'I'=')'
   Call: (219) [system] 'I'=end_of_file
   Fail: (219) [system] 'I'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x563acd73bee0), _1655474)
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _1657332)
   Exit: (221) [system] peek_char((0x563acd73bee0), 'I')
   Call: (221) [system] 'I'=(;)
   Fail: (221) [system] 'I'=(;)
   Call: (221) [system] 'I'=(/)
   Fail: (221) [system] 'I'=(/)
^  Call: (221) [user] is_like_space('I')
   Call: (222) [system] char_type('I', 'white')
   Fail: (222) [system] char_type('I', 'white')
   Call: (222) [system] char_type('I', end_of_line)
   Fail: (222) [system] char_type('I', end_of_line)
   Call: (222) [system] char_type('I', space)
   Fail: (222) [system] char_type('I', space)
   Call: (222) [system] char_type('I', cntrl)
   Fail: (222) [system] char_type('I', cntrl)
^  Fail: (221) [user] is_like_space('I')
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] get_char((0x563acd73bee0), _1673342)
   Exit: (220) [system] get_char((0x563acd73bee0), 'I')
   Call: (220) [system] 'I'='('
   Fail: (220) [system] 'I'='('
   Call: (220) [system] 'I'='['
   Fail: (220) [system] 'I'='['
   Call: (220) [system] 'I'='{'
   Fail: (220) [system] 'I'='{'
   Call: (220) [system] 'I'='"'
   Fail: (220) [system] 'I'='"'
   Call: (220) [system] 'I'=!
   Fail: (220) [system] 'I'=!
   Call: (220) [system] 'I'='\''
   Fail: (220) [system] 'I'='\''
   Call: (220) [system] 'I'='`'
   Fail: (220) [system] 'I'='`'
   Call: (220) [system] 'I'=end_of_file
   Fail: (220) [system] 'I'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x563acd73bee0), 'I', _1655474)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _1690984)
   Call: (222) [system] peek_char((0x563acd73bee0), _1691918)
   Exit: (222) [system] peek_char((0x563acd73bee0), m)
^  Call: (222) [user] is_delimiter(m)
   Call: (223) [system] char_type(m, space)
   Fail: (223) [system] char_type(m, space)
   Call: (223) [system] arg(_1696638, v('(', ')', end_of_file), m)
   Fail: (223) [system] arg(_1697570, v('(', ')', end_of_file), m)
^  Fail: (222) [user] is_delimiter(m)
   Call: (222) [system] ')'==m
   Fail: (222) [system] ')'==m
   Call: (222) [system] get_char((0x563acd73bee0), m)
   Exit: (222) [system] get_char((0x563acd73bee0), m)
   Call: (222) [system] m=(\)
   Fail: (222) [system] m=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _1704920)
   Call: (223) [system] peek_char((0x563acd73bee0), _1705854)
   Exit: (223) [system] peek_char((0x563acd73bee0), p)
^  Call: (223) [user] is_delimiter(p)
   Call: (224) [system] char_type(p, space)
   Fail: (224) [system] char_type(p, space)
   Call: (224) [system] arg(_1710574, v('(', ')', end_of_file), p)
   Fail: (224) [system] arg(_1711506, v('(', ')', end_of_file), p)
^  Fail: (223) [user] is_delimiter(p)
   Call: (223) [system] ')'==p
   Fail: (223) [system] ')'==p
   Call: (223) [system] get_char((0x563acd73bee0), p)
   Exit: (223) [system] get_char((0x563acd73bee0), p)
   Call: (223) [system] p=(\)
   Fail: (223) [system] p=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _1718856)
   Call: (224) [system] peek_char((0x563acd73bee0), _1719790)
   Exit: (224) [system] peek_char((0x563acd73bee0), l)
^  Call: (224) [user] is_delimiter(l)
   Call: (225) [system] char_type(l, space)
   Fail: (225) [system] char_type(l, space)
   Call: (225) [system] arg(_1724510, v('(', ')', end_of_file), l)
   Fail: (225) [system] arg(_1725442, v('(', ')', end_of_file), l)
^  Fail: (224) [user] is_delimiter(l)
   Call: (224) [system] ')'==l
   Fail: (224) [system] ')'==l
   Call: (224) [system] get_char((0x563acd73bee0), l)
   Exit: (224) [system] get_char((0x563acd73bee0), l)
   Call: (224) [system] l=(\)
   Fail: (224) [system] l=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _1732792)
   Call: (225) [system] peek_char((0x563acd73bee0), _1733726)
   Exit: (225) [system] peek_char((0x563acd73bee0), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_1738446, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_1739378, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x563acd73bee0), i)
   Exit: (225) [system] get_char((0x563acd73bee0), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _1746728)
   Call: (226) [system] peek_char((0x563acd73bee0), _1747662)
   Exit: (226) [system] peek_char((0x563acd73bee0), c)
^  Call: (226) [user] is_delimiter(c)
   Call: (227) [system] char_type(c, space)
   Fail: (227) [system] char_type(c, space)
   Call: (227) [system] arg(_1752382, v('(', ')', end_of_file), c)
   Fail: (227) [system] arg(_1753314, v('(', ')', end_of_file), c)
^  Fail: (226) [user] is_delimiter(c)
   Call: (226) [system] ')'==c
   Fail: (226) [system] ')'==c
   Call: (226) [system] get_char((0x563acd73bee0), c)
   Exit: (226) [system] get_char((0x563acd73bee0), c)
   Call: (226) [system] c=(\)
   Fail: (226) [system] c=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _1760664)
   Call: (227) [system] peek_char((0x563acd73bee0), _1761598)
   Exit: (227) [system] peek_char((0x563acd73bee0), a)
^  Call: (227) [user] is_delimiter(a)
   Call: (228) [system] char_type(a, space)
   Fail: (228) [system] char_type(a, space)
   Call: (228) [system] arg(_1766318, v('(', ')', end_of_file), a)
   Fail: (228) [system] arg(_1767250, v('(', ')', end_of_file), a)
^  Fail: (227) [user] is_delimiter(a)
   Call: (227) [system] ')'==a
   Fail: (227) [system] ')'==a
   Call: (227) [system] get_char((0x563acd73bee0), a)
   Exit: (227) [system] get_char((0x563acd73bee0), a)
   Call: (227) [system] a=(\)
   Fail: (227) [system] a=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _1774600)
   Call: (228) [system] peek_char((0x563acd73bee0), _1775534)
   Exit: (228) [system] peek_char((0x563acd73bee0), t)
^  Call: (228) [user] is_delimiter(t)
   Call: (229) [system] char_type(t, space)
   Fail: (229) [system] char_type(t, space)
   Call: (229) [system] arg(_1780254, v('(', ')', end_of_file), t)
   Fail: (229) [system] arg(_1781186, v('(', ')', end_of_file), t)
^  Fail: (228) [user] is_delimiter(t)
   Call: (228) [system] ')'==t
   Fail: (228) [system] ')'==t
   Call: (228) [system] get_char((0x563acd73bee0), t)
   Exit: (228) [system] get_char((0x563acd73bee0), t)
   Call: (228) [system] t=(\)
   Fail: (228) [system] t=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _1788536)
   Call: (229) [system] peek_char((0x563acd73bee0), _1789470)
   Exit: (229) [system] peek_char((0x563acd73bee0), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_1794190, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_1795122, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x563acd73bee0), i)
   Exit: (229) [system] get_char((0x563acd73bee0), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _1802472)
   Call: (230) [system] peek_char((0x563acd73bee0), _1803406)
   Exit: (230) [system] peek_char((0x563acd73bee0), o)
^  Call: (230) [user] is_delimiter(o)
   Call: (231) [system] char_type(o, space)
   Fail: (231) [system] char_type(o, space)
   Call: (231) [system] arg(_1808126, v('(', ')', end_of_file), o)
   Fail: (231) [system] arg(_1809058, v('(', ')', end_of_file), o)
^  Fail: (230) [user] is_delimiter(o)
   Call: (230) [system] ')'==o
   Fail: (230) [system] ')'==o
   Call: (230) [system] get_char((0x563acd73bee0), o)
   Exit: (230) [system] get_char((0x563acd73bee0), o)
   Call: (230) [system] o=(\)
   Fail: (230) [system] o=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _1816408)
   Call: (231) [system] peek_char((0x563acd73bee0), _1817342)
   Exit: (231) [system] peek_char((0x563acd73bee0), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_1822062, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_1822994, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x563acd73bee0), n)
   Exit: (231) [system] get_char((0x563acd73bee0), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _1830344)
   Call: (232) [system] peek_char((0x563acd73bee0), _1831278)
   Exit: (232) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _1830344=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (231) [system] _1816408=[n]
   Exit: (231) [system] [n]=[n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (230) [system] _1802472=[o, n]
   Exit: (230) [system] [o, n]=[o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (229) [system] _1788536=[i, o, n]
   Exit: (229) [system] [i, o, n]=[i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (228) [system] _1774600=[t, i, o, n]
   Exit: (228) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (227) [system] _1760664=[a, t, i, o, n]
   Exit: (227) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (226) [system] _1746728=[c, a, t, i, o, n]
   Exit: (226) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (225) [system] _1732792=[i, c, a, t, i, o, n]
   Exit: (225) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (224) [system] _1718856=[l, i, c, a, t, i, o, n]
   Exit: (224) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (223) [system] _1704920=[p, l, i, c, a, t, i, o, n]
   Exit: (223) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (222) [system] _1690984=[m, p, l, i, c, a, t, i, o, n]
   Exit: (222) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (221) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1655474)
^  Call: (222) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1868502)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_1869454, _1869456), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1868502), _1869436, fail)), '$restore_trace'(_1869454, _1869456))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_1869454, _1869456))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1868502), _1869436, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_1868502)
   Fail: (223) [system] atomic(_1868502)
   Call: (223) [system] atom_chars(_1868502, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (223) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (222) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (222) [system] integer('Implication')
   Fail: (222) [system] integer('Implication')
   Call: (222) [system] _1655474='Implication'
   Exit: (222) [system] 'Implication'='Implication'
^  Exit: (221) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (220) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (219) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (219) [user] read_list(')', (0x563acd73bee0), _1883452)
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _1885310)
   Exit: (221) [system] peek_char((0x563acd73bee0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x563acd73bee0), _1894904)
   Exit: (221) [system] get_char((0x563acd73bee0), ' ')
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _1897608)
   Exit: (222) [system] peek_char((0x563acd73bee0), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
   Call: (222) [system] '('=(/)
   Fail: (222) [system] '('=(/)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _1914542)
   Exit: (220) [system] peek_char((0x563acd73bee0), '(')
   Call: (220) [system] '('=')'
   Fail: (220) [system] '('=')'
   Call: (220) [system] '('=end_of_file
   Fail: (220) [system] '('=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x563acd73bee0), _1920112)
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _1921970)
   Exit: (222) [system] peek_char((0x563acd73bee0), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
   Call: (222) [system] '('=(/)
   Fail: (222) [system] '('=(/)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] get_char((0x563acd73bee0), _1937980)
   Exit: (221) [system] get_char((0x563acd73bee0), '(')
   Call: (221) [system] '('='('
   Exit: (221) [system] '('='('
^  Call: (221) [user] read_list(')', (0x563acd73bee0), _1920112)
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _1943550)
   Exit: (223) [system] peek_char((0x563acd73bee0), 'A')
   Call: (223) [system] 'A'=(;)
   Fail: (223) [system] 'A'=(;)
   Call: (223) [system] 'A'=(/)
   Fail: (223) [system] 'A'=(/)
^  Call: (223) [user] is_like_space('A')
   Call: (224) [system] char_type('A', 'white')
   Fail: (224) [system] char_type('A', 'white')
   Call: (224) [system] char_type('A', end_of_line)
   Fail: (224) [system] char_type('A', end_of_line)
   Call: (224) [system] char_type('A', space)
   Fail: (224) [system] char_type('A', space)
   Call: (224) [system] char_type('A', cntrl)
   Fail: (224) [system] char_type('A', cntrl)
^  Fail: (223) [user] is_like_space('A')
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _1959560)
   Exit: (222) [system] peek_char((0x563acd73bee0), 'A')
   Call: (222) [system] 'A'=')'
   Fail: (222) [system] 'A'=')'
   Call: (222) [system] 'A'=end_of_file
   Fail: (222) [system] 'A'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x563acd73bee0), _1965130)
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _1966988)
   Exit: (224) [system] peek_char((0x563acd73bee0), 'A')
   Call: (224) [system] 'A'=(;)
   Fail: (224) [system] 'A'=(;)
   Call: (224) [system] 'A'=(/)
   Fail: (224) [system] 'A'=(/)
^  Call: (224) [user] is_like_space('A')
   Call: (225) [system] char_type('A', 'white')
   Fail: (225) [system] char_type('A', 'white')
   Call: (225) [system] char_type('A', end_of_line)
   Fail: (225) [system] char_type('A', end_of_line)
   Call: (225) [system] char_type('A', space)
   Fail: (225) [system] char_type('A', space)
   Call: (225) [system] char_type('A', cntrl)
   Fail: (225) [system] char_type('A', cntrl)
^  Fail: (224) [user] is_like_space('A')
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] get_char((0x563acd73bee0), _1982998)
   Exit: (223) [system] get_char((0x563acd73bee0), 'A')
   Call: (223) [system] 'A'='('
   Fail: (223) [system] 'A'='('
   Call: (223) [system] 'A'='['
   Fail: (223) [system] 'A'='['
   Call: (223) [system] 'A'='{'
   Fail: (223) [system] 'A'='{'
   Call: (223) [system] 'A'='"'
   Fail: (223) [system] 'A'='"'
   Call: (223) [system] 'A'=!
   Fail: (223) [system] 'A'=!
   Call: (223) [system] 'A'='\''
   Fail: (223) [system] 'A'='\''
   Call: (223) [system] 'A'='`'
   Fail: (223) [system] 'A'='`'
   Call: (223) [system] 'A'=end_of_file
   Fail: (223) [system] 'A'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x563acd73bee0), 'A', _1965130)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _2000640)
   Call: (225) [system] peek_char((0x563acd73bee0), _2001574)
   Exit: (225) [system] peek_char((0x563acd73bee0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_2006294, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_2007226, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x563acd73bee0), n)
   Exit: (225) [system] get_char((0x563acd73bee0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _2014576)
   Call: (226) [system] peek_char((0x563acd73bee0), _2015510)
   Exit: (226) [system] peek_char((0x563acd73bee0), d)
^  Call: (226) [user] is_delimiter(d)
   Call: (227) [system] char_type(d, space)
   Fail: (227) [system] char_type(d, space)
   Call: (227) [system] arg(_2020230, v('(', ')', end_of_file), d)
   Fail: (227) [system] arg(_2021162, v('(', ')', end_of_file), d)
^  Fail: (226) [user] is_delimiter(d)
   Call: (226) [system] ')'==d
   Fail: (226) [system] ')'==d
   Call: (226) [system] get_char((0x563acd73bee0), d)
   Exit: (226) [system] get_char((0x563acd73bee0), d)
   Call: (226) [system] d=(\)
   Fail: (226) [system] d=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _2028512)
   Call: (227) [system] peek_char((0x563acd73bee0), _2029446)
   Exit: (227) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (227) [user] is_delimiter('L')
   Call: (228) [system] char_type('L', space)
   Fail: (228) [system] char_type('L', space)
   Call: (228) [system] arg(_2034166, v('(', ')', end_of_file), 'L')
   Fail: (228) [system] arg(_2035098, v('(', ')', end_of_file), 'L')
^  Fail: (227) [user] is_delimiter('L')
   Call: (227) [system] ')'=='L'
   Fail: (227) [system] ')'=='L'
   Call: (227) [system] get_char((0x563acd73bee0), 'L')
   Exit: (227) [system] get_char((0x563acd73bee0), 'L')
   Call: (227) [system] 'L'=(\)
   Fail: (227) [system] 'L'=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _2042448)
   Call: (228) [system] peek_char((0x563acd73bee0), _2043382)
   Exit: (228) [system] peek_char((0x563acd73bee0), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_2048102, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_2049034, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x563acd73bee0), i)
   Exit: (228) [system] get_char((0x563acd73bee0), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _2056384)
   Call: (229) [system] peek_char((0x563acd73bee0), _2057318)
   Exit: (229) [system] peek_char((0x563acd73bee0), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_2062038, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_2062970, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x563acd73bee0), n)
   Exit: (229) [system] get_char((0x563acd73bee0), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _2070320)
   Call: (230) [system] peek_char((0x563acd73bee0), _2071254)
   Exit: (230) [system] peek_char((0x563acd73bee0), k)
^  Call: (230) [user] is_delimiter(k)
   Call: (231) [system] char_type(k, space)
   Fail: (231) [system] char_type(k, space)
   Call: (231) [system] arg(_2075974, v('(', ')', end_of_file), k)
   Fail: (231) [system] arg(_2076906, v('(', ')', end_of_file), k)
^  Fail: (230) [user] is_delimiter(k)
   Call: (230) [system] ')'==k
   Fail: (230) [system] ')'==k
   Call: (230) [system] get_char((0x563acd73bee0), k)
   Exit: (230) [system] get_char((0x563acd73bee0), k)
   Call: (230) [system] k=(\)
   Fail: (230) [system] k=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _2084256)
   Call: (231) [system] peek_char((0x563acd73bee0), _2085190)
   Exit: (231) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _2084256=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (230) [system] _2070320=[k]
   Exit: (230) [system] [k]=[k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (229) [system] _5284=[n, k]
   Exit: (229) [system] [n, k]=[n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (228) [system] _5280=[i, n, k]
   Exit: (228) [system] [i, n, k]=[i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (227) [system] _5276=['L', i, n, k]
   Exit: (227) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (226) [system] _5272=[d, 'L', i, n, k]
   Exit: (226) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, 'L', i, n, k])
   Call: (225) [system] _5268=[n, d, 'L', i, n, k]
   Exit: (225) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, d, 'L', i, n, k])
^  Call: (224) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _5264)
^  Call: (225) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _19796)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_20748, _20750), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _19796), _20730, fail)), '$restore_trace'(_20748, _20750))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_20748, _20750))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _19796), _20730, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_19796)
   Fail: (226) [system] atomic(_19796)
   Call: (226) [system] atom_chars(_19796, ['A', n, d, 'L', i, n, k])
   Exit: (226) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (225) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (225) [system] integer('AndLink')
   Fail: (225) [system] integer('AndLink')
   Call: (225) [system] _5264='AndLink'
   Exit: (225) [system] 'AndLink'='AndLink'
^  Exit: (224) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (223) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'AndLink')
^  Exit: (222) [user] cont_sexpr(')', (0x563acd73bee0), 'AndLink')
^  Call: (222) [user] read_list(')', (0x563acd73bee0), _34746)
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _36604)
   Exit: (224) [system] peek_char((0x563acd73bee0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x563acd73bee0), _46198)
   Exit: (224) [system] get_char((0x563acd73bee0), ' ')
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _48902)
   Exit: (225) [system] peek_char((0x563acd73bee0), 'A')
   Call: (225) [system] 'A'=(;)
   Fail: (225) [system] 'A'=(;)
   Call: (225) [system] 'A'=(/)
   Fail: (225) [system] 'A'=(/)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Fail: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Fail: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Fail: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
   Fail: (226) [system] char_type('A', cntrl)
^  Fail: (225) [user] is_like_space('A')
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _65836)
   Exit: (223) [system] peek_char((0x563acd73bee0), 'A')
   Call: (223) [system] 'A'=')'
   Fail: (223) [system] 'A'=')'
   Call: (223) [system] 'A'=end_of_file
   Fail: (223) [system] 'A'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x563acd73bee0), _71406)
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _73264)
   Exit: (225) [system] peek_char((0x563acd73bee0), 'A')
   Call: (225) [system] 'A'=(;)
   Fail: (225) [system] 'A'=(;)
   Call: (225) [system] 'A'=(/)
   Fail: (225) [system] 'A'=(/)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Fail: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Fail: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Fail: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
   Fail: (226) [system] char_type('A', cntrl)
^  Fail: (225) [user] is_like_space('A')
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] get_char((0x563acd73bee0), _89274)
   Exit: (224) [system] get_char((0x563acd73bee0), 'A')
   Call: (224) [system] 'A'='('
   Fail: (224) [system] 'A'='('
   Call: (224) [system] 'A'='['
   Fail: (224) [system] 'A'='['
   Call: (224) [system] 'A'='{'
   Fail: (224) [system] 'A'='{'
   Call: (224) [system] 'A'='"'
   Fail: (224) [system] 'A'='"'
   Call: (224) [system] 'A'=!
   Fail: (224) [system] 'A'=!
   Call: (224) [system] 'A'='\''
   Fail: (224) [system] 'A'='\''
   Call: (224) [system] 'A'='`'
   Fail: (224) [system] 'A'='`'
   Call: (224) [system] 'A'=end_of_file
   Fail: (224) [system] 'A'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x563acd73bee0), 'A', _71406)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _106916)
   Call: (226) [system] peek_char((0x563acd73bee0), _107850)
   Exit: (226) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _106916=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (225) [user] classify_and_convert_charseq(['A'], _71406)
^  Call: (226) [user] classify_and_convert_charseq_(['A'], _117134)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_118086, _118088), once(user:catch(read_from_chars(['A'], _117134), _118068, fail)), '$restore_trace'(_118086, _118088))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_118086, _118088))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _117134), _118068, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_117134)
   Fail: (227) [system] atomic(_117134)
   Call: (227) [system] atom_chars(_117134, ['A'])
   Exit: (227) [system] atom_chars('A', ['A'])
^  Exit: (226) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (226) [system] integer('A')
   Fail: (226) [system] integer('A')
   Call: (226) [system] _71406='A'
   Exit: (226) [system] 'A'='A'
^  Exit: (225) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (224) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (223) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (223) [user] read_list(')', (0x563acd73bee0), _132084)
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _133942)
   Exit: (225) [system] peek_char((0x563acd73bee0), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x563acd73bee0), _143536)
   Exit: (225) [system] get_char((0x563acd73bee0), ' ')
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _146240)
   Exit: (226) [system] peek_char((0x563acd73bee0), 'B')
   Call: (226) [system] 'B'=(;)
   Fail: (226) [system] 'B'=(;)
   Call: (226) [system] 'B'=(/)
   Fail: (226) [system] 'B'=(/)
^  Call: (226) [user] is_like_space('B')
   Call: (227) [system] char_type('B', 'white')
   Fail: (227) [system] char_type('B', 'white')
   Call: (227) [system] char_type('B', end_of_line)
   Fail: (227) [system] char_type('B', end_of_line)
   Call: (227) [system] char_type('B', space)
   Fail: (227) [system] char_type('B', space)
   Call: (227) [system] char_type('B', cntrl)
   Fail: (227) [system] char_type('B', cntrl)
^  Fail: (226) [user] is_like_space('B')
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _163174)
   Exit: (224) [system] peek_char((0x563acd73bee0), 'B')
   Call: (224) [system] 'B'=')'
   Fail: (224) [system] 'B'=')'
   Call: (224) [system] 'B'=end_of_file
   Fail: (224) [system] 'B'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x563acd73bee0), _168744)
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _170602)
   Exit: (226) [system] peek_char((0x563acd73bee0), 'B')
   Call: (226) [system] 'B'=(;)
   Fail: (226) [system] 'B'=(;)
   Call: (226) [system] 'B'=(/)
   Fail: (226) [system] 'B'=(/)
^  Call: (226) [user] is_like_space('B')
   Call: (227) [system] char_type('B', 'white')
   Fail: (227) [system] char_type('B', 'white')
   Call: (227) [system] char_type('B', end_of_line)
   Fail: (227) [system] char_type('B', end_of_line)
   Call: (227) [system] char_type('B', space)
   Fail: (227) [system] char_type('B', space)
   Call: (227) [system] char_type('B', cntrl)
   Fail: (227) [system] char_type('B', cntrl)
^  Fail: (226) [user] is_like_space('B')
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] get_char((0x563acd73bee0), _186612)
   Exit: (225) [system] get_char((0x563acd73bee0), 'B')
   Call: (225) [system] 'B'='('
   Fail: (225) [system] 'B'='('
   Call: (225) [system] 'B'='['
   Fail: (225) [system] 'B'='['
   Call: (225) [system] 'B'='{'
   Fail: (225) [system] 'B'='{'
   Call: (225) [system] 'B'='"'
   Fail: (225) [system] 'B'='"'
   Call: (225) [system] 'B'=!
   Fail: (225) [system] 'B'=!
   Call: (225) [system] 'B'='\''
   Fail: (225) [system] 'B'='\''
   Call: (225) [system] 'B'='`'
   Fail: (225) [system] 'B'='`'
   Call: (225) [system] 'B'=end_of_file
   Fail: (225) [system] 'B'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x563acd73bee0), 'B', _168744)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _204254)
   Call: (227) [system] peek_char((0x563acd73bee0), _205188)
   Exit: (227) [system] peek_char((0x563acd73bee0), ')')
^  Call: (227) [user] is_delimiter(')')
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] arg(_209908, v('(', ')', end_of_file), ')')
   Exit: (228) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (227) [user] is_delimiter(')')
   Call: (227) [system] _204254=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (226) [user] classify_and_convert_charseq(['B'], _168744)
^  Call: (227) [user] classify_and_convert_charseq_(['B'], _216344)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_217296, _217298), once(user:catch(read_from_chars(['B'], _216344), _217278, fail)), '$restore_trace'(_217296, _217298))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_217296, _217298))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _216344), _217278, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_216344)
   Fail: (228) [system] atomic(_216344)
   Call: (228) [system] atom_chars(_216344, ['B'])
   Exit: (228) [system] atom_chars('B', ['B'])
^  Exit: (227) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (227) [system] integer('B')
   Fail: (227) [system] integer('B')
   Call: (227) [system] _168744='B'
   Exit: (227) [system] 'B'='B'
^  Exit: (226) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (225) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (224) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (224) [user] read_list(')', (0x563acd73bee0), _231294)
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _233152)
   Exit: (226) [system] peek_char((0x563acd73bee0), ')')
   Call: (226) [system] ')'=(;)
   Fail: (226) [system] ')'=(;)
   Call: (226) [system] ')'=(/)
   Fail: (226) [system] ')'=(/)
^  Call: (226) [user] is_like_space(')')
   Call: (227) [system] char_type(')', 'white')
   Fail: (227) [system] char_type(')', 'white')
   Call: (227) [system] char_type(')', end_of_line)
   Fail: (227) [system] char_type(')', end_of_line)
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] char_type(')', cntrl)
   Fail: (227) [system] char_type(')', cntrl)
^  Fail: (226) [user] is_like_space(')')
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _249162)
   Exit: (225) [system] peek_char((0x563acd73bee0), ')')
   Call: (225) [system] ')'=')'
   Exit: (225) [system] ')'=')'
   Call: (225) [system] get_char((0x563acd73bee0), _252952)
   Exit: (225) [system] get_char((0x563acd73bee0), ')')
   Call: (225) [system] _231294=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_list(')', (0x563acd73bee0), [])
   Call: (224) [system] _132084=['B']
   Exit: (224) [system] ['B']=['B']
^  Exit: (223) [user] read_list(')', (0x563acd73bee0), ['B'])
   Call: (223) [system] _34746=['A', 'B']
   Exit: (223) [system] ['A', 'B']=['A', 'B']
^  Exit: (222) [user] read_list(')', (0x563acd73bee0), ['A', 'B'])
   Call: (222) [system] _5258=['AndLink', 'A', 'B']
   Exit: (222) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (221) [user] read_list(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Exit: (220) [user] cont_sexpr(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Call: (220) [user] read_list(')', (0x563acd73bee0), _266834)
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _268692)
   Exit: (222) [system] peek_char((0x563acd73bee0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x563acd73bee0), _278286)
   Exit: (222) [system] get_char((0x563acd73bee0), ' ')
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _280990)
   Exit: (223) [system] peek_char((0x563acd73bee0), 'C')
   Call: (223) [system] 'C'=(;)
   Fail: (223) [system] 'C'=(;)
   Call: (223) [system] 'C'=(/)
   Fail: (223) [system] 'C'=(/)
^  Call: (223) [user] is_like_space('C')
   Call: (224) [system] char_type('C', 'white')
   Fail: (224) [system] char_type('C', 'white')
   Call: (224) [system] char_type('C', end_of_line)
   Fail: (224) [system] char_type('C', end_of_line)
   Call: (224) [system] char_type('C', space)
   Fail: (224) [system] char_type('C', space)
   Call: (224) [system] char_type('C', cntrl)
   Fail: (224) [system] char_type('C', cntrl)
^  Fail: (223) [user] is_like_space('C')
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _297924)
   Exit: (221) [system] peek_char((0x563acd73bee0), 'C')
   Call: (221) [system] 'C'=')'
   Fail: (221) [system] 'C'=')'
   Call: (221) [system] 'C'=end_of_file
   Fail: (221) [system] 'C'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x563acd73bee0), _303494)
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _305352)
   Exit: (223) [system] peek_char((0x563acd73bee0), 'C')
   Call: (223) [system] 'C'=(;)
   Fail: (223) [system] 'C'=(;)
   Call: (223) [system] 'C'=(/)
   Fail: (223) [system] 'C'=(/)
^  Call: (223) [user] is_like_space('C')
   Call: (224) [system] char_type('C', 'white')
   Fail: (224) [system] char_type('C', 'white')
   Call: (224) [system] char_type('C', end_of_line)
   Fail: (224) [system] char_type('C', end_of_line)
   Call: (224) [system] char_type('C', space)
   Fail: (224) [system] char_type('C', space)
   Call: (224) [system] char_type('C', cntrl)
   Fail: (224) [system] char_type('C', cntrl)
^  Fail: (223) [user] is_like_space('C')
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] get_char((0x563acd73bee0), _321362)
   Exit: (222) [system] get_char((0x563acd73bee0), 'C')
   Call: (222) [system] 'C'='('
   Fail: (222) [system] 'C'='('
   Call: (222) [system] 'C'='['
   Fail: (222) [system] 'C'='['
   Call: (222) [system] 'C'='{'
   Fail: (222) [system] 'C'='{'
   Call: (222) [system] 'C'='"'
   Fail: (222) [system] 'C'='"'
   Call: (222) [system] 'C'=!
   Fail: (222) [system] 'C'=!
   Call: (222) [system] 'C'='\''
   Fail: (222) [system] 'C'='\''
   Call: (222) [system] 'C'='`'
   Fail: (222) [system] 'C'='`'
   Call: (222) [system] 'C'=end_of_file
   Fail: (222) [system] 'C'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x563acd73bee0), 'C', _303494)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _339004)
   Call: (224) [system] peek_char((0x563acd73bee0), _339938)
   Exit: (224) [system] peek_char((0x563acd73bee0), ')')
^  Call: (224) [user] is_delimiter(')')
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] arg(_344658, v('(', ')', end_of_file), ')')
   Exit: (225) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (224) [user] is_delimiter(')')
   Call: (224) [system] _339004=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (223) [user] classify_and_convert_charseq(['C'], _303494)
^  Call: (224) [user] classify_and_convert_charseq_(['C'], _351094)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_352046, _352048), once(user:catch(read_from_chars(['C'], _351094), _352028, fail)), '$restore_trace'(_352046, _352048))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_352046, _352048))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _351094), _352028, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_351094)
   Fail: (225) [system] atomic(_351094)
   Call: (225) [system] atom_chars(_351094, ['C'])
   Exit: (225) [system] atom_chars('C', ['C'])
^  Exit: (224) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (224) [system] integer('C')
   Fail: (224) [system] integer('C')
   Call: (224) [system] _303494='C'
   Exit: (224) [system] 'C'='C'
^  Exit: (223) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (222) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (221) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (221) [user] read_list(')', (0x563acd73bee0), _366044)
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _367902)
   Exit: (223) [system] peek_char((0x563acd73bee0), ')')
   Call: (223) [system] ')'=(;)
   Fail: (223) [system] ')'=(;)
   Call: (223) [system] ')'=(/)
   Fail: (223) [system] ')'=(/)
^  Call: (223) [user] is_like_space(')')
   Call: (224) [system] char_type(')', 'white')
   Fail: (224) [system] char_type(')', 'white')
   Call: (224) [system] char_type(')', end_of_line)
   Fail: (224) [system] char_type(')', end_of_line)
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] char_type(')', cntrl)
   Fail: (224) [system] char_type(')', cntrl)
^  Fail: (223) [user] is_like_space(')')
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _383912)
   Exit: (222) [system] peek_char((0x563acd73bee0), ')')
   Call: (222) [system] ')'=')'
   Exit: (222) [system] ')'=')'
   Call: (222) [system] get_char((0x563acd73bee0), _387702)
   Exit: (222) [system] get_char((0x563acd73bee0), ')')
   Call: (222) [system] _366044=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_list(')', (0x563acd73bee0), [])
   Call: (221) [system] _266834=['C']
   Exit: (221) [system] ['C']=['C']
^  Exit: (220) [user] read_list(')', (0x563acd73bee0), ['C'])
   Call: (220) [system] _5254=[['AndLink', 'A', 'B'], 'C']
   Exit: (220) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (219) [user] read_list(')', (0x563acd73bee0), [['AndLink', 'A', 'B'], 'C'])
   Call: (219) [system] _5246=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (219) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (218) [user] read_list(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (217) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (217) [user] read_list(')', (0x563acd73bee0), _401584)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _403442)
   Exit: (219) [system] peek_char((0x563acd73bee0), ')')
   Call: (219) [system] ')'=(;)
   Fail: (219) [system] ')'=(;)
   Call: (219) [system] ')'=(/)
   Fail: (219) [system] ')'=(/)
^  Call: (219) [user] is_like_space(')')
   Call: (220) [system] char_type(')', 'white')
   Fail: (220) [system] char_type(')', 'white')
   Call: (220) [system] char_type(')', end_of_line)
   Fail: (220) [system] char_type(')', end_of_line)
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] char_type(')', cntrl)
   Fail: (220) [system] char_type(')', cntrl)
^  Fail: (219) [user] is_like_space(')')
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _419452)
   Exit: (218) [system] peek_char((0x563acd73bee0), ')')
   Call: (218) [system] ')'=')'
   Exit: (218) [system] ')'=')'
   Call: (218) [system] get_char((0x563acd73bee0), _423242)
   Exit: (218) [system] get_char((0x563acd73bee0), ')')
   Call: (218) [system] _401584=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_list(')', (0x563acd73bee0), [])
   Call: (217) [system] _5242=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (217) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (216) [user] read_list(')', (0x563acd73bee0), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (216) [system] _5200=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (216) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (215) [user] read_list(')', (0x563acd73bee0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (215) [system] _5192=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (215) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (214) [user] read_list(')', (0x563acd73bee0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (213) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (213) [user] read_list(')', (0x563acd73bee0), _437124)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _438982)
   Exit: (215) [system] peek_char((0x563acd73bee0), ')')
   Call: (215) [system] ')'=(;)
   Fail: (215) [system] ')'=(;)
   Call: (215) [system] ')'=(/)
   Fail: (215) [system] ')'=(/)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Fail: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Fail: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
   Fail: (216) [system] char_type(')', cntrl)
^  Fail: (215) [user] is_like_space(')')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _454992)
   Exit: (214) [system] peek_char((0x563acd73bee0), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x563acd73bee0), _458782)
   Exit: (214) [system] get_char((0x563acd73bee0), ')')
   Call: (214) [system] _437124=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x563acd73bee0), [])
   Call: (213) [system] _5188=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (213) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (212) [user] read_list(')', (0x563acd73bee0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (212) [system] _5164=[['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (212) [system] [['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (211) [user] read_list(')', (0x563acd73bee0), [['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (211) [system] _5156=[:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (211) [system] [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (210) [user] read_list(')', (0x563acd73bee0), [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (209) [user] cont_sexpr(')', (0x563acd73bee0), [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (209) [user] read_list(')', (0x563acd73bee0), _472664)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _474522)
   Exit: (211) [system] peek_char((0x563acd73bee0), '\n')
   Call: (211) [system] '\n'=(;)
   Fail: (211) [system] '\n'=(;)
   Call: (211) [system] '\n'=(/)
   Fail: (211) [system] '\n'=(/)
^  Call: (211) [user] is_like_space('\n')
   Call: (212) [system] char_type('\n', 'white')
   Fail: (212) [system] char_type('\n', 'white')
   Call: (212) [system] char_type('\n', end_of_line)
   Exit: (212) [system] char_type('\n', end_of_line)
^  Exit: (211) [user] is_like_space('\n')
   Call: (211) [system] get_char((0x563acd73bee0), _485972)
   Exit: (211) [system] get_char((0x563acd73bee0), '\n')
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _488676)
   Exit: (212) [system] peek_char((0x563acd73bee0), '\t')
   Call: (212) [system] '\t'=(;)
   Fail: (212) [system] '\t'=(;)
   Call: (212) [system] '\t'=(/)
   Fail: (212) [system] '\t'=(/)
^  Call: (212) [user] is_like_space('\t')
   Call: (213) [system] char_type('\t', 'white')
   Exit: (213) [system] char_type('\t', 'white')
^  Exit: (212) [user] is_like_space('\t')
   Call: (212) [system] get_char((0x563acd73bee0), _498270)
   Exit: (212) [system] get_char((0x563acd73bee0), '\t')
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _500974)
   Exit: (213) [system] peek_char((0x563acd73bee0), '\t')
   Call: (213) [system] '\t'=(;)
   Fail: (213) [system] '\t'=(;)
   Call: (213) [system] '\t'=(/)
   Fail: (213) [system] '\t'=(/)
^  Call: (213) [user] is_like_space('\t')
   Call: (214) [system] char_type('\t', 'white')
   Exit: (214) [system] char_type('\t', 'white')
^  Exit: (213) [user] is_like_space('\t')
   Call: (213) [system] get_char((0x563acd73bee0), _510568)
   Exit: (213) [system] get_char((0x563acd73bee0), '\t')
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _513272)
   Exit: (214) [system] peek_char((0x563acd73bee0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x563acd73bee0), _522866)
   Exit: (214) [system] get_char((0x563acd73bee0), ' ')
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _525570)
   Exit: (215) [system] peek_char((0x563acd73bee0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _545276)
   Exit: (210) [system] peek_char((0x563acd73bee0), '(')
   Call: (210) [system] '('=')'
   Fail: (210) [system] '('=')'
   Call: (210) [system] '('=end_of_file
   Fail: (210) [system] '('=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x563acd73bee0), _550846)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _552704)
   Exit: (212) [system] peek_char((0x563acd73bee0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] get_char((0x563acd73bee0), _568714)
   Exit: (211) [system] get_char((0x563acd73bee0), '(')
   Call: (211) [system] '('='('
   Exit: (211) [system] '('='('
^  Call: (211) [user] read_list(')', (0x563acd73bee0), _550846)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _574284)
   Exit: (213) [system] peek_char((0x563acd73bee0), :)
   Call: (213) [system] (:)=(;)
   Fail: (213) [system] (:)=(;)
   Call: (213) [system] (:)=(/)
   Fail: (213) [system] (:)=(/)
^  Call: (213) [user] is_like_space(:)
   Call: (214) [system] char_type(:, 'white')
   Fail: (214) [system] char_type(:, 'white')
   Call: (214) [system] char_type(:, end_of_line)
   Fail: (214) [system] char_type(:, end_of_line)
   Call: (214) [system] char_type(:, space)
   Fail: (214) [system] char_type(:, space)
   Call: (214) [system] char_type(:, cntrl)
   Fail: (214) [system] char_type(:, cntrl)
^  Fail: (213) [user] is_like_space(:)
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _590294)
   Exit: (212) [system] peek_char((0x563acd73bee0), :)
   Call: (212) [system] (:)=')'
   Fail: (212) [system] (:)=')'
   Call: (212) [system] (:)=end_of_file
   Fail: (212) [system] (:)=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x563acd73bee0), _595864)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _597722)
   Exit: (214) [system] peek_char((0x563acd73bee0), :)
   Call: (214) [system] (:)=(;)
   Fail: (214) [system] (:)=(;)
   Call: (214) [system] (:)=(/)
   Fail: (214) [system] (:)=(/)
^  Call: (214) [user] is_like_space(:)
   Call: (215) [system] char_type(:, 'white')
   Fail: (215) [system] char_type(:, 'white')
   Call: (215) [system] char_type(:, end_of_line)
   Fail: (215) [system] char_type(:, end_of_line)
   Call: (215) [system] char_type(:, space)
   Fail: (215) [system] char_type(:, space)
   Call: (215) [system] char_type(:, cntrl)
   Fail: (215) [system] char_type(:, cntrl)
^  Fail: (214) [user] is_like_space(:)
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] get_char((0x563acd73bee0), _613732)
   Exit: (213) [system] get_char((0x563acd73bee0), :)
   Call: (213) [system] (:)='('
   Fail: (213) [system] (:)='('
   Call: (213) [system] (:)='['
   Fail: (213) [system] (:)='['
   Call: (213) [system] (:)='{'
   Fail: (213) [system] (:)='{'
   Call: (213) [system] (:)='"'
   Fail: (213) [system] (:)='"'
   Call: (213) [system] (:)=!
   Fail: (213) [system] (:)=!
   Call: (213) [system] (:)='\''
   Fail: (213) [system] (:)='\''
   Call: (213) [system] (:)='`'
   Fail: (213) [system] (:)='`'
   Call: (213) [system] (:)=end_of_file
   Fail: (213) [system] (:)=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x563acd73bee0), :, _595864)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _631374)
   Call: (215) [system] peek_char((0x563acd73bee0), _632308)
   Exit: (215) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _631374=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (214) [user] classify_and_convert_charseq([:], _595864)
^  Call: (215) [user] classify_and_convert_charseq_([:], _641592)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_642544, _642546), once(user:catch(read_from_chars([:], _641592), _642526, fail)), '$restore_trace'(_642544, _642546))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_642544, _642546))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _642526, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(:)
   Exit: (216) [system] atomic(:)
^  Exit: (215) [user] classify_and_convert_charseq_([:], :)
   Call: (215) [system] integer(:)
   Fail: (215) [system] integer(:)
   Call: (215) [system] _595864=(:)
   Exit: (215) [system] (:)=(:)
^  Exit: (214) [user] classify_and_convert_charseq([:], :)
^  Exit: (213) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (212) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (212) [user] read_list(')', (0x563acd73bee0), _654672)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _656530)
   Exit: (214) [system] peek_char((0x563acd73bee0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x563acd73bee0), _666124)
   Exit: (214) [system] get_char((0x563acd73bee0), ' ')
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _668828)
   Exit: (215) [system] peek_char((0x563acd73bee0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _685762)
   Exit: (213) [system] peek_char((0x563acd73bee0), '(')
   Call: (213) [system] '('=')'
   Fail: (213) [system] '('=')'
   Call: (213) [system] '('=end_of_file
   Fail: (213) [system] '('=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x563acd73bee0), _691332)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _693190)
   Exit: (215) [system] peek_char((0x563acd73bee0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] get_char((0x563acd73bee0), _709200)
   Exit: (214) [system] get_char((0x563acd73bee0), '(')
   Call: (214) [system] '('='('
   Exit: (214) [system] '('='('
^  Call: (214) [user] read_list(')', (0x563acd73bee0), _691332)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _714770)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'D')
   Call: (216) [system] 'D'=(;)
   Fail: (216) [system] 'D'=(;)
   Call: (216) [system] 'D'=(/)
   Fail: (216) [system] 'D'=(/)
^  Call: (216) [user] is_like_space('D')
   Call: (217) [system] char_type('D', 'white')
   Fail: (217) [system] char_type('D', 'white')
   Call: (217) [system] char_type('D', end_of_line)
   Fail: (217) [system] char_type('D', end_of_line)
   Call: (217) [system] char_type('D', space)
   Fail: (217) [system] char_type('D', space)
   Call: (217) [system] char_type('D', cntrl)
   Fail: (217) [system] char_type('D', cntrl)
^  Fail: (216) [user] is_like_space('D')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _730780)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'D')
   Call: (215) [system] 'D'=')'
   Fail: (215) [system] 'D'=')'
   Call: (215) [system] 'D'=end_of_file
   Fail: (215) [system] 'D'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x563acd73bee0), _736350)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _738208)
   Exit: (217) [system] peek_char((0x563acd73bee0), 'D')
   Call: (217) [system] 'D'=(;)
   Fail: (217) [system] 'D'=(;)
   Call: (217) [system] 'D'=(/)
   Fail: (217) [system] 'D'=(/)
^  Call: (217) [user] is_like_space('D')
   Call: (218) [system] char_type('D', 'white')
   Fail: (218) [system] char_type('D', 'white')
   Call: (218) [system] char_type('D', end_of_line)
   Fail: (218) [system] char_type('D', end_of_line)
   Call: (218) [system] char_type('D', space)
   Fail: (218) [system] char_type('D', space)
   Call: (218) [system] char_type('D', cntrl)
   Fail: (218) [system] char_type('D', cntrl)
^  Fail: (217) [user] is_like_space('D')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] get_char((0x563acd73bee0), _754218)
   Exit: (216) [system] get_char((0x563acd73bee0), 'D')
   Call: (216) [system] 'D'='('
   Fail: (216) [system] 'D'='('
   Call: (216) [system] 'D'='['
   Fail: (216) [system] 'D'='['
   Call: (216) [system] 'D'='{'
   Fail: (216) [system] 'D'='{'
   Call: (216) [system] 'D'='"'
   Fail: (216) [system] 'D'='"'
   Call: (216) [system] 'D'=!
   Fail: (216) [system] 'D'=!
   Call: (216) [system] 'D'='\''
   Fail: (216) [system] 'D'='\''
   Call: (216) [system] 'D'='`'
   Fail: (216) [system] 'D'='`'
   Call: (216) [system] 'D'=end_of_file
   Fail: (216) [system] 'D'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x563acd73bee0), 'D', _736350)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _771860)
   Call: (218) [system] peek_char((0x563acd73bee0), _772794)
   Exit: (218) [system] peek_char((0x563acd73bee0), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Fail: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_777514, v('(', ')', end_of_file), i)
   Fail: (219) [system] arg(_778446, v('(', ')', end_of_file), i)
^  Fail: (218) [user] is_delimiter(i)
   Call: (218) [system] ')'==i
   Fail: (218) [system] ')'==i
   Call: (218) [system] get_char((0x563acd73bee0), i)
   Exit: (218) [system] get_char((0x563acd73bee0), i)
   Call: (218) [system] i=(\)
   Fail: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _785796)
   Call: (219) [system] peek_char((0x563acd73bee0), _786730)
   Exit: (219) [system] peek_char((0x563acd73bee0), s)
^  Call: (219) [user] is_delimiter(s)
   Call: (220) [system] char_type(s, space)
   Fail: (220) [system] char_type(s, space)
   Call: (220) [system] arg(_791450, v('(', ')', end_of_file), s)
   Fail: (220) [system] arg(_792382, v('(', ')', end_of_file), s)
^  Fail: (219) [user] is_delimiter(s)
   Call: (219) [system] ')'==s
   Fail: (219) [system] ')'==s
   Call: (219) [system] get_char((0x563acd73bee0), s)
   Exit: (219) [system] get_char((0x563acd73bee0), s)
   Call: (219) [system] s=(\)
   Fail: (219) [system] s=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _799732)
   Call: (220) [system] peek_char((0x563acd73bee0), _800666)
   Exit: (220) [system] peek_char((0x563acd73bee0), j)
^  Call: (220) [user] is_delimiter(j)
   Call: (221) [system] char_type(j, space)
   Fail: (221) [system] char_type(j, space)
   Call: (221) [system] arg(_805386, v('(', ')', end_of_file), j)
   Fail: (221) [system] arg(_806318, v('(', ')', end_of_file), j)
^  Fail: (220) [user] is_delimiter(j)
   Call: (220) [system] ')'==j
   Fail: (220) [system] ')'==j
   Call: (220) [system] get_char((0x563acd73bee0), j)
   Exit: (220) [system] get_char((0x563acd73bee0), j)
   Call: (220) [system] j=(\)
   Fail: (220) [system] j=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _813668)
   Call: (221) [system] peek_char((0x563acd73bee0), _814602)
   Exit: (221) [system] peek_char((0x563acd73bee0), u)
^  Call: (221) [user] is_delimiter(u)
   Call: (222) [system] char_type(u, space)
   Fail: (222) [system] char_type(u, space)
   Call: (222) [system] arg(_819322, v('(', ')', end_of_file), u)
   Fail: (222) [system] arg(_820254, v('(', ')', end_of_file), u)
^  Fail: (221) [user] is_delimiter(u)
   Call: (221) [system] ')'==u
   Fail: (221) [system] ')'==u
   Call: (221) [system] get_char((0x563acd73bee0), u)
   Exit: (221) [system] get_char((0x563acd73bee0), u)
   Call: (221) [system] u=(\)
   Fail: (221) [system] u=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _827604)
   Call: (222) [system] peek_char((0x563acd73bee0), _828538)
   Exit: (222) [system] peek_char((0x563acd73bee0), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_833258, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_834190, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x563acd73bee0), n)
   Exit: (222) [system] get_char((0x563acd73bee0), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _841540)
   Call: (223) [system] peek_char((0x563acd73bee0), _842474)
   Exit: (223) [system] peek_char((0x563acd73bee0), c)
^  Call: (223) [user] is_delimiter(c)
   Call: (224) [system] char_type(c, space)
   Fail: (224) [system] char_type(c, space)
   Call: (224) [system] arg(_847194, v('(', ')', end_of_file), c)
   Fail: (224) [system] arg(_848126, v('(', ')', end_of_file), c)
^  Fail: (223) [user] is_delimiter(c)
   Call: (223) [system] ')'==c
   Fail: (223) [system] ')'==c
   Call: (223) [system] get_char((0x563acd73bee0), c)
   Exit: (223) [system] get_char((0x563acd73bee0), c)
   Call: (223) [system] c=(\)
   Fail: (223) [system] c=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _855476)
   Call: (224) [system] peek_char((0x563acd73bee0), _856410)
   Exit: (224) [system] peek_char((0x563acd73bee0), t)
^  Call: (224) [user] is_delimiter(t)
   Call: (225) [system] char_type(t, space)
   Fail: (225) [system] char_type(t, space)
   Call: (225) [system] arg(_861130, v('(', ')', end_of_file), t)
   Fail: (225) [system] arg(_862062, v('(', ')', end_of_file), t)
^  Fail: (224) [user] is_delimiter(t)
   Call: (224) [system] ')'==t
   Fail: (224) [system] ')'==t
   Call: (224) [system] get_char((0x563acd73bee0), t)
   Exit: (224) [system] get_char((0x563acd73bee0), t)
   Call: (224) [system] t=(\)
   Fail: (224) [system] t=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _869412)
   Call: (225) [system] peek_char((0x563acd73bee0), _870346)
   Exit: (225) [system] peek_char((0x563acd73bee0), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_875066, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_875998, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x563acd73bee0), i)
   Exit: (225) [system] get_char((0x563acd73bee0), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _883348)
   Call: (226) [system] peek_char((0x563acd73bee0), _884282)
   Exit: (226) [system] peek_char((0x563acd73bee0), o)
^  Call: (226) [user] is_delimiter(o)
   Call: (227) [system] char_type(o, space)
   Fail: (227) [system] char_type(o, space)
   Call: (227) [system] arg(_889002, v('(', ')', end_of_file), o)
   Fail: (227) [system] arg(_889934, v('(', ')', end_of_file), o)
^  Fail: (226) [user] is_delimiter(o)
   Call: (226) [system] ')'==o
   Fail: (226) [system] ')'==o
   Call: (226) [system] get_char((0x563acd73bee0), o)
   Exit: (226) [system] get_char((0x563acd73bee0), o)
   Call: (226) [system] o=(\)
   Fail: (226) [system] o=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _897284)
   Call: (227) [system] peek_char((0x563acd73bee0), _898218)
   Exit: (227) [system] peek_char((0x563acd73bee0), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_902938, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_903870, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x563acd73bee0), n)
   Exit: (227) [system] get_char((0x563acd73bee0), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _911220)
   Call: (228) [system] peek_char((0x563acd73bee0), _912154)
   Exit: (228) [system] peek_char((0x563acd73bee0), 'I')
^  Call: (228) [user] is_delimiter('I')
   Call: (229) [system] char_type('I', space)
   Fail: (229) [system] char_type('I', space)
   Call: (229) [system] arg(_916874, v('(', ')', end_of_file), 'I')
   Fail: (229) [system] arg(_917806, v('(', ')', end_of_file), 'I')
^  Fail: (228) [user] is_delimiter('I')
   Call: (228) [system] ')'=='I'
   Fail: (228) [system] ')'=='I'
   Call: (228) [system] get_char((0x563acd73bee0), 'I')
   Exit: (228) [system] get_char((0x563acd73bee0), 'I')
   Call: (228) [system] 'I'=(\)
   Fail: (228) [system] 'I'=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _925156)
   Call: (229) [system] peek_char((0x563acd73bee0), _926090)
   Exit: (229) [system] peek_char((0x563acd73bee0), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_930810, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_931742, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x563acd73bee0), n)
   Exit: (229) [system] get_char((0x563acd73bee0), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _939092)
   Call: (230) [system] peek_char((0x563acd73bee0), _940026)
   Exit: (230) [system] peek_char((0x563acd73bee0), t)
^  Call: (230) [user] is_delimiter(t)
   Call: (231) [system] char_type(t, space)
   Fail: (231) [system] char_type(t, space)
   Call: (231) [system] arg(_944746, v('(', ')', end_of_file), t)
   Fail: (231) [system] arg(_945678, v('(', ')', end_of_file), t)
^  Fail: (230) [user] is_delimiter(t)
   Call: (230) [system] ')'==t
   Fail: (230) [system] ')'==t
   Call: (230) [system] get_char((0x563acd73bee0), t)
   Exit: (230) [system] get_char((0x563acd73bee0), t)
   Call: (230) [system] t=(\)
   Fail: (230) [system] t=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _953028)
   Call: (231) [system] peek_char((0x563acd73bee0), _953962)
   Exit: (231) [system] peek_char((0x563acd73bee0), r)
^  Call: (231) [user] is_delimiter(r)
   Call: (232) [system] char_type(r, space)
   Fail: (232) [system] char_type(r, space)
   Call: (232) [system] arg(_958682, v('(', ')', end_of_file), r)
   Fail: (232) [system] arg(_959614, v('(', ')', end_of_file), r)
^  Fail: (231) [user] is_delimiter(r)
   Call: (231) [system] ')'==r
   Fail: (231) [system] ')'==r
   Call: (231) [system] get_char((0x563acd73bee0), r)
   Exit: (231) [system] get_char((0x563acd73bee0), r)
   Call: (231) [system] r=(\)
   Fail: (231) [system] r=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _966964)
   Call: (232) [system] peek_char((0x563acd73bee0), _967898)
   Exit: (232) [system] peek_char((0x563acd73bee0), o)
^  Call: (232) [user] is_delimiter(o)
   Call: (233) [system] char_type(o, space)
   Fail: (233) [system] char_type(o, space)
   Call: (233) [system] arg(_972618, v('(', ')', end_of_file), o)
   Fail: (233) [system] arg(_973550, v('(', ')', end_of_file), o)
^  Fail: (232) [user] is_delimiter(o)
   Call: (232) [system] ')'==o
   Fail: (232) [system] ')'==o
   Call: (232) [system] get_char((0x563acd73bee0), o)
   Exit: (232) [system] get_char((0x563acd73bee0), o)
   Call: (232) [system] o=(\)
   Fail: (232) [system] o=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _980900)
   Call: (233) [system] peek_char((0x563acd73bee0), _981834)
   Exit: (233) [system] peek_char((0x563acd73bee0), d)
^  Call: (233) [user] is_delimiter(d)
   Call: (234) [system] char_type(d, space)
   Fail: (234) [system] char_type(d, space)
   Call: (234) [system] arg(_986554, v('(', ')', end_of_file), d)
   Fail: (234) [system] arg(_987486, v('(', ')', end_of_file), d)
^  Fail: (233) [user] is_delimiter(d)
   Call: (233) [system] ')'==d
   Fail: (233) [system] ')'==d
   Call: (233) [system] get_char((0x563acd73bee0), d)
   Exit: (233) [system] get_char((0x563acd73bee0), d)
   Call: (233) [system] d=(\)
   Fail: (233) [system] d=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), _994836)
   Call: (234) [system] peek_char((0x563acd73bee0), _995770)
   Exit: (234) [system] peek_char((0x563acd73bee0), u)
^  Call: (234) [user] is_delimiter(u)
   Call: (235) [system] char_type(u, space)
   Fail: (235) [system] char_type(u, space)
   Call: (235) [system] arg(_1000490, v('(', ')', end_of_file), u)
   Fail: (235) [system] arg(_1001422, v('(', ')', end_of_file), u)
^  Fail: (234) [user] is_delimiter(u)
   Call: (234) [system] ')'==u
   Fail: (234) [system] ')'==u
   Call: (234) [system] get_char((0x563acd73bee0), u)
   Exit: (234) [system] get_char((0x563acd73bee0), u)
   Call: (234) [system] u=(\)
   Fail: (234) [system] u=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), _1008772)
   Call: (235) [system] peek_char((0x563acd73bee0), _1009706)
   Exit: (235) [system] peek_char((0x563acd73bee0), c)
^  Call: (235) [user] is_delimiter(c)
   Call: (236) [system] char_type(c, space)
   Fail: (236) [system] char_type(c, space)
   Call: (236) [system] arg(_1014426, v('(', ')', end_of_file), c)
   Fail: (236) [system] arg(_1015358, v('(', ')', end_of_file), c)
^  Fail: (235) [user] is_delimiter(c)
   Call: (235) [system] ')'==c
   Fail: (235) [system] ')'==c
   Call: (235) [system] get_char((0x563acd73bee0), c)
   Exit: (235) [system] get_char((0x563acd73bee0), c)
   Call: (235) [system] c=(\)
   Fail: (235) [system] c=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), _1022708)
   Call: (236) [system] peek_char((0x563acd73bee0), _1023642)
   Exit: (236) [system] peek_char((0x563acd73bee0), t)
^  Call: (236) [user] is_delimiter(t)
   Call: (237) [system] char_type(t, space)
   Fail: (237) [system] char_type(t, space)
   Call: (237) [system] arg(_1028362, v('(', ')', end_of_file), t)
   Fail: (237) [system] arg(_1029294, v('(', ')', end_of_file), t)
^  Fail: (236) [user] is_delimiter(t)
   Call: (236) [system] ')'==t
   Fail: (236) [system] ')'==t
   Call: (236) [system] get_char((0x563acd73bee0), t)
   Exit: (236) [system] get_char((0x563acd73bee0), t)
   Call: (236) [system] t=(\)
   Fail: (236) [system] t=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), _1036644)
   Call: (237) [system] peek_char((0x563acd73bee0), _1037578)
   Exit: (237) [system] peek_char((0x563acd73bee0), i)
^  Call: (237) [user] is_delimiter(i)
   Call: (238) [system] char_type(i, space)
   Fail: (238) [system] char_type(i, space)
   Call: (238) [system] arg(_1042298, v('(', ')', end_of_file), i)
   Fail: (238) [system] arg(_1043230, v('(', ')', end_of_file), i)
^  Fail: (237) [user] is_delimiter(i)
   Call: (237) [system] ')'==i
   Fail: (237) [system] ')'==i
   Call: (237) [system] get_char((0x563acd73bee0), i)
   Exit: (237) [system] get_char((0x563acd73bee0), i)
   Call: (237) [system] i=(\)
   Fail: (237) [system] i=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), _1050580)
   Call: (238) [system] peek_char((0x563acd73bee0), _1051514)
   Exit: (238) [system] peek_char((0x563acd73bee0), o)
^  Call: (238) [user] is_delimiter(o)
   Call: (239) [system] char_type(o, space)
   Fail: (239) [system] char_type(o, space)
   Call: (239) [system] arg(_1056234, v('(', ')', end_of_file), o)
   Fail: (239) [system] arg(_1057166, v('(', ')', end_of_file), o)
^  Fail: (238) [user] is_delimiter(o)
   Call: (238) [system] ')'==o
   Fail: (238) [system] ')'==o
   Call: (238) [system] get_char((0x563acd73bee0), o)
   Exit: (238) [system] get_char((0x563acd73bee0), o)
   Call: (238) [system] o=(\)
   Fail: (238) [system] o=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x563acd73bee0), _1064516)
   Call: (239) [system] peek_char((0x563acd73bee0), _1065450)
   Exit: (239) [system] peek_char((0x563acd73bee0), n)
^  Call: (239) [user] is_delimiter(n)
   Call: (240) [system] char_type(n, space)
   Fail: (240) [system] char_type(n, space)
   Call: (240) [system] arg(_1070170, v('(', ')', end_of_file), n)
   Fail: (240) [system] arg(_1071102, v('(', ')', end_of_file), n)
^  Fail: (239) [user] is_delimiter(n)
   Call: (239) [system] ')'==n
   Fail: (239) [system] ')'==n
   Call: (239) [system] get_char((0x563acd73bee0), n)
   Exit: (239) [system] get_char((0x563acd73bee0), n)
   Call: (239) [system] n=(\)
   Fail: (239) [system] n=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x563acd73bee0), _1078452)
   Call: (240) [system] peek_char((0x563acd73bee0), _1079386)
   Exit: (240) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (240) [user] is_delimiter(' ')
   Call: (241) [system] char_type(' ', space)
   Exit: (241) [system] char_type(' ', space)
^  Exit: (240) [user] is_delimiter(' ')
   Call: (240) [system] _1078452=[]
   Exit: (240) [system] []=[]
^  Exit: (239) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (239) [system] _1064516=[n]
   Exit: (239) [system] [n]=[n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (238) [system] _1050580=[o, n]
   Exit: (238) [system] [o, n]=[o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (237) [system] _1036644=[i, o, n]
   Exit: (237) [system] [i, o, n]=[i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (236) [system] _1022708=[t, i, o, n]
   Exit: (236) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (235) [system] _1008772=[c, t, i, o, n]
   Exit: (235) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n])
   Call: (234) [system] _994836=[u, c, t, i, o, n]
   Exit: (234) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, i, o, n])
   Call: (233) [system] _980900=[d, u, c, t, i, o, n]
   Exit: (233) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, u, c, t, i, o, n])
   Call: (232) [system] _966964=[o, d, u, c, t, i, o, n]
   Exit: (232) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, d, u, c, t, i, o, n])
   Call: (231) [system] _953028=[r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _939092=[t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _925156=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _911220=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _897284=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _883348=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _869412=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _855476=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _841540=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _827604=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _813668=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _799732=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _785796=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _771860=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (217) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _736350)
^  Call: (218) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1150138)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_1151090, _1151092), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1150138), _1151072, fail)), '$restore_trace'(_1151090, _1151092))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_1151090, _1151092))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1150138), _1151072, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_1150138)
   Fail: (219) [system] atomic(_1150138)
   Call: (219) [system] atom_chars(_1150138, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (219) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (218) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (218) [system] integer('DisjunctionIntroduction')
   Fail: (218) [system] integer('DisjunctionIntroduction')
   Call: (218) [system] _736350='DisjunctionIntroduction'
   Exit: (218) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (217) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (216) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'DisjunctionIntroduction')
^  Exit: (215) [user] cont_sexpr(')', (0x563acd73bee0), 'DisjunctionIntroduction')
^  Call: (215) [user] read_list(')', (0x563acd73bee0), _1165088)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1166946)
   Exit: (217) [system] peek_char((0x563acd73bee0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x563acd73bee0), _1176540)
   Exit: (217) [system] get_char((0x563acd73bee0), ' ')
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _1179244)
   Exit: (218) [system] peek_char((0x563acd73bee0), a)
   Call: (218) [system] a=(;)
   Fail: (218) [system] a=(;)
   Call: (218) [system] a=(/)
   Fail: (218) [system] a=(/)
^  Call: (218) [user] is_like_space(a)
   Call: (219) [system] char_type(a, 'white')
   Fail: (219) [system] char_type(a, 'white')
   Call: (219) [system] char_type(a, end_of_line)
   Fail: (219) [system] char_type(a, end_of_line)
   Call: (219) [system] char_type(a, space)
   Fail: (219) [system] char_type(a, space)
   Call: (219) [system] char_type(a, cntrl)
   Fail: (219) [system] char_type(a, cntrl)
^  Fail: (218) [user] is_like_space(a)
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1196178)
   Exit: (216) [system] peek_char((0x563acd73bee0), a)
   Call: (216) [system] a=')'
   Fail: (216) [system] a=')'
   Call: (216) [system] a=end_of_file
   Fail: (216) [system] a=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x563acd73bee0), _1201748)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _1203606)
   Exit: (218) [system] peek_char((0x563acd73bee0), a)
   Call: (218) [system] a=(;)
   Fail: (218) [system] a=(;)
   Call: (218) [system] a=(/)
   Fail: (218) [system] a=(/)
^  Call: (218) [user] is_like_space(a)
   Call: (219) [system] char_type(a, 'white')
   Fail: (219) [system] char_type(a, 'white')
   Call: (219) [system] char_type(a, end_of_line)
   Fail: (219) [system] char_type(a, end_of_line)
   Call: (219) [system] char_type(a, space)
   Fail: (219) [system] char_type(a, space)
   Call: (219) [system] char_type(a, cntrl)
   Fail: (219) [system] char_type(a, cntrl)
^  Fail: (218) [user] is_like_space(a)
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] get_char((0x563acd73bee0), _1219616)
   Exit: (217) [system] get_char((0x563acd73bee0), a)
   Call: (217) [system] a='('
   Fail: (217) [system] a='('
   Call: (217) [system] a='['
   Fail: (217) [system] a='['
   Call: (217) [system] a='{'
   Fail: (217) [system] a='{'
   Call: (217) [system] a='"'
   Fail: (217) [system] a='"'
   Call: (217) [system] a=!
   Fail: (217) [system] a=!
   Call: (217) [system] a='\''
   Fail: (217) [system] a='\''
   Call: (217) [system] a='`'
   Fail: (217) [system] a='`'
   Call: (217) [system] a=end_of_file
   Fail: (217) [system] a=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x563acd73bee0), a, _1201748)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _1237258)
   Call: (219) [system] peek_char((0x563acd73bee0), _1238192)
   Exit: (219) [system] peek_char((0x563acd73bee0), b)
^  Call: (219) [user] is_delimiter(b)
   Call: (220) [system] char_type(b, space)
   Fail: (220) [system] char_type(b, space)
   Call: (220) [system] arg(_1242912, v('(', ')', end_of_file), b)
   Fail: (220) [system] arg(_1243844, v('(', ')', end_of_file), b)
^  Fail: (219) [user] is_delimiter(b)
   Call: (219) [system] ')'==b
   Fail: (219) [system] ')'==b
   Call: (219) [system] get_char((0x563acd73bee0), b)
   Exit: (219) [system] get_char((0x563acd73bee0), b)
   Call: (219) [system] b=(\)
   Fail: (219) [system] b=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _1251194)
   Call: (220) [system] peek_char((0x563acd73bee0), _1252128)
   Exit: (220) [system] peek_char((0x563acd73bee0), c)
^  Call: (220) [user] is_delimiter(c)
   Call: (221) [system] char_type(c, space)
   Fail: (221) [system] char_type(c, space)
   Call: (221) [system] arg(_1256848, v('(', ')', end_of_file), c)
   Fail: (221) [system] arg(_1257780, v('(', ')', end_of_file), c)
^  Fail: (220) [user] is_delimiter(c)
   Call: (220) [system] ')'==c
   Fail: (220) [system] ')'==c
   Call: (220) [system] get_char((0x563acd73bee0), c)
   Exit: (220) [system] get_char((0x563acd73bee0), c)
   Call: (220) [system] c=(\)
   Fail: (220) [system] c=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _1265130)
   Call: (221) [system] peek_char((0x563acd73bee0), _1266064)
   Exit: (221) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (221) [user] is_delimiter(' ')
   Call: (222) [system] char_type(' ', space)
   Exit: (222) [system] char_type(' ', space)
^  Exit: (221) [user] is_delimiter(' ')
   Call: (221) [system] _1265130=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (220) [system] _1251194=[c]
   Exit: (220) [system] [c]=[c]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [c])
   Call: (219) [system] _1237258=[b, c]
   Exit: (219) [system] [b, c]=[b, c]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [b, c])
^  Call: (218) [user] classify_and_convert_charseq([a, b, c], _1201748)
^  Call: (219) [user] classify_and_convert_charseq_([a, b, c], _1280936)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_1281888, _1281890), once(user:catch(read_from_chars([a, b, c], _1280936), _1281870, fail)), '$restore_trace'(_1281888, _1281890))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_1281888, _1281890))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1281870, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(abc)
   Exit: (220) [system] atomic(abc)
^  Exit: (219) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (219) [system] integer(abc)
   Fail: (219) [system] integer(abc)
   Call: (219) [system] _1201748=abc
   Exit: (219) [system] abc=abc
^  Exit: (218) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (217) [user] read_symbolic(')', (0x563acd73bee0), a, abc)
^  Exit: (216) [user] cont_sexpr(')', (0x563acd73bee0), abc)
^  Call: (216) [user] read_list(')', (0x563acd73bee0), _1294016)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _1295874)
   Exit: (218) [system] peek_char((0x563acd73bee0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x563acd73bee0), _1305468)
   Exit: (218) [system] get_char((0x563acd73bee0), ' ')
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _1308172)
   Exit: (219) [system] peek_char((0x563acd73bee0), c)
   Call: (219) [system] c=(;)
   Fail: (219) [system] c=(;)
   Call: (219) [system] c=(/)
   Fail: (219) [system] c=(/)
^  Call: (219) [user] is_like_space(c)
   Call: (220) [system] char_type(c, 'white')
   Fail: (220) [system] char_type(c, 'white')
   Call: (220) [system] char_type(c, end_of_line)
   Fail: (220) [system] char_type(c, end_of_line)
   Call: (220) [system] char_type(c, space)
   Fail: (220) [system] char_type(c, space)
   Call: (220) [system] char_type(c, cntrl)
   Fail: (220) [system] char_type(c, cntrl)
^  Fail: (219) [user] is_like_space(c)
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1325106)
   Exit: (217) [system] peek_char((0x563acd73bee0), c)
   Call: (217) [system] c=')'
   Fail: (217) [system] c=')'
   Call: (217) [system] c=end_of_file
   Fail: (217) [system] c=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x563acd73bee0), _1330676)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _1332534)
   Exit: (219) [system] peek_char((0x563acd73bee0), c)
   Call: (219) [system] c=(;)
   Fail: (219) [system] c=(;)
   Call: (219) [system] c=(/)
   Fail: (219) [system] c=(/)
^  Call: (219) [user] is_like_space(c)
   Call: (220) [system] char_type(c, 'white')
   Fail: (220) [system] char_type(c, 'white')
   Call: (220) [system] char_type(c, end_of_line)
   Fail: (220) [system] char_type(c, end_of_line)
   Call: (220) [system] char_type(c, space)
   Fail: (220) [system] char_type(c, space)
   Call: (220) [system] char_type(c, cntrl)
   Fail: (220) [system] char_type(c, cntrl)
^  Fail: (219) [user] is_like_space(c)
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] get_char((0x563acd73bee0), _1348544)
   Exit: (218) [system] get_char((0x563acd73bee0), c)
   Call: (218) [system] c='('
   Fail: (218) [system] c='('
   Call: (218) [system] c='['
   Fail: (218) [system] c='['
   Call: (218) [system] c='{'
   Fail: (218) [system] c='{'
   Call: (218) [system] c='"'
   Fail: (218) [system] c='"'
   Call: (218) [system] c=!
   Fail: (218) [system] c=!
   Call: (218) [system] c='\''
   Fail: (218) [system] c='\''
   Call: (218) [system] c='`'
   Fail: (218) [system] c='`'
   Call: (218) [system] c=end_of_file
   Fail: (218) [system] c=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x563acd73bee0), c, _1330676)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _1366186)
   Call: (220) [system] peek_char((0x563acd73bee0), _1367120)
   Exit: (220) [system] peek_char((0x563acd73bee0), d)
^  Call: (220) [user] is_delimiter(d)
   Call: (221) [system] char_type(d, space)
   Fail: (221) [system] char_type(d, space)
   Call: (221) [system] arg(_1371840, v('(', ')', end_of_file), d)
   Fail: (221) [system] arg(_1372772, v('(', ')', end_of_file), d)
^  Fail: (220) [user] is_delimiter(d)
   Call: (220) [system] ')'==d
   Fail: (220) [system] ')'==d
   Call: (220) [system] get_char((0x563acd73bee0), d)
   Exit: (220) [system] get_char((0x563acd73bee0), d)
   Call: (220) [system] d=(\)
   Fail: (220) [system] d=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _1380122)
   Call: (221) [system] peek_char((0x563acd73bee0), _1381056)
   Exit: (221) [system] peek_char((0x563acd73bee0), e)
^  Call: (221) [user] is_delimiter(e)
   Call: (222) [system] char_type(e, space)
   Fail: (222) [system] char_type(e, space)
   Call: (222) [system] arg(_1385776, v('(', ')', end_of_file), e)
   Fail: (222) [system] arg(_1386708, v('(', ')', end_of_file), e)
^  Fail: (221) [user] is_delimiter(e)
   Call: (221) [system] ')'==e
   Fail: (221) [system] ')'==e
   Call: (221) [system] get_char((0x563acd73bee0), e)
   Exit: (221) [system] get_char((0x563acd73bee0), e)
   Call: (221) [system] e=(\)
   Fail: (221) [system] e=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _1394058)
   Call: (222) [system] peek_char((0x563acd73bee0), _1394992)
   Exit: (222) [system] peek_char((0x563acd73bee0), ')')
^  Call: (222) [user] is_delimiter(')')
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] arg(_1399712, v('(', ')', end_of_file), ')')
   Exit: (223) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (222) [user] is_delimiter(')')
   Call: (222) [system] _1394058=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (221) [system] _1380122=[e]
   Exit: (221) [system] [e]=[e]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [e])
   Call: (220) [system] _1366186=[d, e]
   Exit: (220) [system] [d, e]=[d, e]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, e])
^  Call: (219) [user] classify_and_convert_charseq([c, d, e], _1330676)
^  Call: (220) [user] classify_and_convert_charseq_([c, d, e], _1411736)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_1412688, _1412690), once(user:catch(read_from_chars([c, d, e], _1411736), _1412670, fail)), '$restore_trace'(_1412688, _1412690))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_1412688, _1412690))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1412670, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(cde)
   Exit: (221) [system] atomic(cde)
^  Exit: (220) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (220) [system] integer(cde)
   Fail: (220) [system] integer(cde)
   Call: (220) [system] _1330676=cde
   Exit: (220) [system] cde=cde
^  Exit: (219) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (218) [user] read_symbolic(')', (0x563acd73bee0), c, cde)
^  Exit: (217) [user] cont_sexpr(')', (0x563acd73bee0), cde)
^  Call: (217) [user] read_list(')', (0x563acd73bee0), _1424816)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _1426674)
   Exit: (219) [system] peek_char((0x563acd73bee0), ')')
   Call: (219) [system] ')'=(;)
   Fail: (219) [system] ')'=(;)
   Call: (219) [system] ')'=(/)
   Fail: (219) [system] ')'=(/)
^  Call: (219) [user] is_like_space(')')
   Call: (220) [system] char_type(')', 'white')
   Fail: (220) [system] char_type(')', 'white')
   Call: (220) [system] char_type(')', end_of_line)
   Fail: (220) [system] char_type(')', end_of_line)
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] char_type(')', cntrl)
   Fail: (220) [system] char_type(')', cntrl)
^  Fail: (219) [user] is_like_space(')')
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _1442684)
   Exit: (218) [system] peek_char((0x563acd73bee0), ')')
   Call: (218) [system] ')'=')'
   Exit: (218) [system] ')'=')'
   Call: (218) [system] get_char((0x563acd73bee0), _1446474)
   Exit: (218) [system] get_char((0x563acd73bee0), ')')
   Call: (218) [system] _1424816=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_list(')', (0x563acd73bee0), [])
   Call: (217) [system] _1294016=[cde]
   Exit: (217) [system] [cde]=[cde]
^  Exit: (216) [user] read_list(')', (0x563acd73bee0), [cde])
   Call: (216) [system] _1165088=[abc, cde]
   Exit: (216) [system] [abc, cde]=[abc, cde]
^  Exit: (215) [user] read_list(')', (0x563acd73bee0), [abc, cde])
   Call: (215) [system] _691332=['DisjunctionIntroduction', abc, cde]
   Exit: (215) [system] ['DisjunctionIntroduction', abc, cde]=['DisjunctionIntroduction', abc, cde]
^  Exit: (214) [user] read_list(')', (0x563acd73bee0), ['DisjunctionIntroduction', abc, cde])
^  Exit: (213) [user] cont_sexpr(')', (0x563acd73bee0), ['DisjunctionIntroduction', abc, cde])
^  Call: (213) [user] read_list(')', (0x563acd73bee0), _1460356)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1462214)
   Exit: (215) [system] peek_char((0x563acd73bee0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x563acd73bee0), _1471808)
   Exit: (215) [system] get_char((0x563acd73bee0), ' ')
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1474512)
   Exit: (216) [system] peek_char((0x563acd73bee0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1491446)
   Exit: (214) [system] peek_char((0x563acd73bee0), '(')
   Call: (214) [system] '('=')'
   Fail: (214) [system] '('=')'
   Call: (214) [system] '('=end_of_file
   Fail: (214) [system] '('=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x563acd73bee0), _1497016)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1498874)
   Exit: (216) [system] peek_char((0x563acd73bee0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] get_char((0x563acd73bee0), _1514884)
   Exit: (215) [system] get_char((0x563acd73bee0), '(')
   Call: (215) [system] '('='('
   Exit: (215) [system] '('='('
^  Call: (215) [user] read_list(')', (0x563acd73bee0), _1497016)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1520454)
   Exit: (217) [system] peek_char((0x563acd73bee0), 'O')
   Call: (217) [system] 'O'=(;)
   Fail: (217) [system] 'O'=(;)
   Call: (217) [system] 'O'=(/)
   Fail: (217) [system] 'O'=(/)
^  Call: (217) [user] is_like_space('O')
   Call: (218) [system] char_type('O', 'white')
   Fail: (218) [system] char_type('O', 'white')
   Call: (218) [system] char_type('O', end_of_line)
   Fail: (218) [system] char_type('O', end_of_line)
   Call: (218) [system] char_type('O', space)
   Fail: (218) [system] char_type('O', space)
   Call: (218) [system] char_type('O', cntrl)
   Fail: (218) [system] char_type('O', cntrl)
^  Fail: (217) [user] is_like_space('O')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1536464)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'O')
   Call: (216) [system] 'O'=')'
   Fail: (216) [system] 'O'=')'
   Call: (216) [system] 'O'=end_of_file
   Fail: (216) [system] 'O'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x563acd73bee0), _1542034)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _1543892)
   Exit: (218) [system] peek_char((0x563acd73bee0), 'O')
   Call: (218) [system] 'O'=(;)
   Fail: (218) [system] 'O'=(;)
   Call: (218) [system] 'O'=(/)
   Fail: (218) [system] 'O'=(/)
^  Call: (218) [user] is_like_space('O')
   Call: (219) [system] char_type('O', 'white')
   Fail: (219) [system] char_type('O', 'white')
   Call: (219) [system] char_type('O', end_of_line)
   Fail: (219) [system] char_type('O', end_of_line)
   Call: (219) [system] char_type('O', space)
   Fail: (219) [system] char_type('O', space)
   Call: (219) [system] char_type('O', cntrl)
   Fail: (219) [system] char_type('O', cntrl)
^  Fail: (218) [user] is_like_space('O')
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] get_char((0x563acd73bee0), _1559902)
   Exit: (217) [system] get_char((0x563acd73bee0), 'O')
   Call: (217) [system] 'O'='('
   Fail: (217) [system] 'O'='('
   Call: (217) [system] 'O'='['
   Fail: (217) [system] 'O'='['
   Call: (217) [system] 'O'='{'
   Fail: (217) [system] 'O'='{'
   Call: (217) [system] 'O'='"'
   Fail: (217) [system] 'O'='"'
   Call: (217) [system] 'O'=!
   Fail: (217) [system] 'O'=!
   Call: (217) [system] 'O'='\''
   Fail: (217) [system] 'O'='\''
   Call: (217) [system] 'O'='`'
   Fail: (217) [system] 'O'='`'
   Call: (217) [system] 'O'=end_of_file
   Fail: (217) [system] 'O'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x563acd73bee0), 'O', _1542034)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _1577544)
   Call: (219) [system] peek_char((0x563acd73bee0), _1578478)
   Exit: (219) [system] peek_char((0x563acd73bee0), r)
^  Call: (219) [user] is_delimiter(r)
   Call: (220) [system] char_type(r, space)
   Fail: (220) [system] char_type(r, space)
   Call: (220) [system] arg(_1583198, v('(', ')', end_of_file), r)
   Fail: (220) [system] arg(_1584130, v('(', ')', end_of_file), r)
^  Fail: (219) [user] is_delimiter(r)
   Call: (219) [system] ')'==r
   Fail: (219) [system] ')'==r
   Call: (219) [system] get_char((0x563acd73bee0), r)
   Exit: (219) [system] get_char((0x563acd73bee0), r)
   Call: (219) [system] r=(\)
   Fail: (219) [system] r=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _1591480)
   Call: (220) [system] peek_char((0x563acd73bee0), _1592414)
   Exit: (220) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (220) [user] is_delimiter('L')
   Call: (221) [system] char_type('L', space)
   Fail: (221) [system] char_type('L', space)
   Call: (221) [system] arg(_1597134, v('(', ')', end_of_file), 'L')
   Fail: (221) [system] arg(_1598066, v('(', ')', end_of_file), 'L')
^  Fail: (220) [user] is_delimiter('L')
   Call: (220) [system] ')'=='L'
   Fail: (220) [system] ')'=='L'
   Call: (220) [system] get_char((0x563acd73bee0), 'L')
   Exit: (220) [system] get_char((0x563acd73bee0), 'L')
   Call: (220) [system] 'L'=(\)
   Fail: (220) [system] 'L'=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _1605416)
   Call: (221) [system] peek_char((0x563acd73bee0), _1606350)
   Exit: (221) [system] peek_char((0x563acd73bee0), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_1611070, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_1612002, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x563acd73bee0), i)
   Exit: (221) [system] get_char((0x563acd73bee0), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _1619352)
   Call: (222) [system] peek_char((0x563acd73bee0), _1620286)
   Exit: (222) [system] peek_char((0x563acd73bee0), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_1625006, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_1625938, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x563acd73bee0), n)
   Exit: (222) [system] get_char((0x563acd73bee0), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _1633288)
   Call: (223) [system] peek_char((0x563acd73bee0), _1634222)
   Exit: (223) [system] peek_char((0x563acd73bee0), k)
^  Call: (223) [user] is_delimiter(k)
   Call: (224) [system] char_type(k, space)
   Fail: (224) [system] char_type(k, space)
   Call: (224) [system] arg(_1638942, v('(', ')', end_of_file), k)
   Fail: (224) [system] arg(_1639874, v('(', ')', end_of_file), k)
^  Fail: (223) [user] is_delimiter(k)
   Call: (223) [system] ')'==k
   Fail: (223) [system] ')'==k
   Call: (223) [system] get_char((0x563acd73bee0), k)
   Exit: (223) [system] get_char((0x563acd73bee0), k)
   Call: (223) [system] k=(\)
   Fail: (223) [system] k=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _1647224)
   Call: (224) [system] peek_char((0x563acd73bee0), _1648158)
   Exit: (224) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _1647224=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (223) [system] _1633288=[k]
   Exit: (223) [system] [k]=[k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (222) [system] _1619352=[n, k]
   Exit: (222) [system] [n, k]=[n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (221) [system] _1605416=[i, n, k]
   Exit: (221) [system] [i, n, k]=[i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (220) [system] _1591480=['L', i, n, k]
   Exit: (220) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (219) [system] _1577544=[r, 'L', i, n, k]
   Exit: (219) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (218) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1542034)
^  Call: (219) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1671412)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_1672364, _1672366), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1671412), _1672346, fail)), '$restore_trace'(_1672364, _1672366))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_1672364, _1672366))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1671412), _1672346, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_1671412)
   Fail: (220) [system] atomic(_1671412)
   Call: (220) [system] atom_chars(_1671412, ['O', r, 'L', i, n, k])
   Exit: (220) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (219) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (219) [system] integer('OrLink')
   Fail: (219) [system] integer('OrLink')
   Call: (219) [system] _1542034='OrLink'
   Exit: (219) [system] 'OrLink'='OrLink'
^  Exit: (218) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (217) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (216) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (216) [user] read_list(')', (0x563acd73bee0), _1686362)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _1688220)
   Exit: (218) [system] peek_char((0x563acd73bee0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x563acd73bee0), _1697814)
   Exit: (218) [system] get_char((0x563acd73bee0), ' ')
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _1700518)
   Exit: (219) [system] peek_char((0x563acd73bee0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1717452)
   Exit: (217) [system] peek_char((0x563acd73bee0), '(')
   Call: (217) [system] '('=')'
   Fail: (217) [system] '('=')'
   Call: (217) [system] '('=end_of_file
   Fail: (217) [system] '('=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x563acd73bee0), _1723022)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _1724880)
   Exit: (219) [system] peek_char((0x563acd73bee0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] get_char((0x563acd73bee0), _1740890)
   Exit: (218) [system] get_char((0x563acd73bee0), '(')
   Call: (218) [system] '('='('
   Exit: (218) [system] '('='('
^  Call: (218) [user] read_list(')', (0x563acd73bee0), _1723022)
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _1746460)
   Exit: (220) [system] peek_char((0x563acd73bee0), 'I')
   Call: (220) [system] 'I'=(;)
   Fail: (220) [system] 'I'=(;)
   Call: (220) [system] 'I'=(/)
   Fail: (220) [system] 'I'=(/)
^  Call: (220) [user] is_like_space('I')
   Call: (221) [system] char_type('I', 'white')
   Fail: (221) [system] char_type('I', 'white')
   Call: (221) [system] char_type('I', end_of_line)
   Fail: (221) [system] char_type('I', end_of_line)
   Call: (221) [system] char_type('I', space)
   Fail: (221) [system] char_type('I', space)
   Call: (221) [system] char_type('I', cntrl)
   Fail: (221) [system] char_type('I', cntrl)
^  Fail: (220) [user] is_like_space('I')
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _1762470)
   Exit: (219) [system] peek_char((0x563acd73bee0), 'I')
   Call: (219) [system] 'I'=')'
   Fail: (219) [system] 'I'=')'
   Call: (219) [system] 'I'=end_of_file
   Fail: (219) [system] 'I'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x563acd73bee0), _1768040)
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _1769898)
   Exit: (221) [system] peek_char((0x563acd73bee0), 'I')
   Call: (221) [system] 'I'=(;)
   Fail: (221) [system] 'I'=(;)
   Call: (221) [system] 'I'=(/)
   Fail: (221) [system] 'I'=(/)
^  Call: (221) [user] is_like_space('I')
   Call: (222) [system] char_type('I', 'white')
   Fail: (222) [system] char_type('I', 'white')
   Call: (222) [system] char_type('I', end_of_line)
   Fail: (222) [system] char_type('I', end_of_line)
   Call: (222) [system] char_type('I', space)
   Fail: (222) [system] char_type('I', space)
   Call: (222) [system] char_type('I', cntrl)
   Fail: (222) [system] char_type('I', cntrl)
^  Fail: (221) [user] is_like_space('I')
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] get_char((0x563acd73bee0), _1785908)
   Exit: (220) [system] get_char((0x563acd73bee0), 'I')
   Call: (220) [system] 'I'='('
   Fail: (220) [system] 'I'='('
   Call: (220) [system] 'I'='['
   Fail: (220) [system] 'I'='['
   Call: (220) [system] 'I'='{'
   Fail: (220) [system] 'I'='{'
   Call: (220) [system] 'I'='"'
   Fail: (220) [system] 'I'='"'
   Call: (220) [system] 'I'=!
   Fail: (220) [system] 'I'=!
   Call: (220) [system] 'I'='\''
   Fail: (220) [system] 'I'='\''
   Call: (220) [system] 'I'='`'
   Fail: (220) [system] 'I'='`'
   Call: (220) [system] 'I'=end_of_file
   Fail: (220) [system] 'I'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x563acd73bee0), 'I', _1768040)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _1803550)
   Call: (222) [system] peek_char((0x563acd73bee0), _1804484)
   Exit: (222) [system] peek_char((0x563acd73bee0), m)
^  Call: (222) [user] is_delimiter(m)
   Call: (223) [system] char_type(m, space)
   Fail: (223) [system] char_type(m, space)
   Call: (223) [system] arg(_1809204, v('(', ')', end_of_file), m)
   Fail: (223) [system] arg(_1810136, v('(', ')', end_of_file), m)
^  Fail: (222) [user] is_delimiter(m)
   Call: (222) [system] ')'==m
   Fail: (222) [system] ')'==m
   Call: (222) [system] get_char((0x563acd73bee0), m)
   Exit: (222) [system] get_char((0x563acd73bee0), m)
   Call: (222) [system] m=(\)
   Fail: (222) [system] m=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _1817486)
   Call: (223) [system] peek_char((0x563acd73bee0), _1818420)
   Exit: (223) [system] peek_char((0x563acd73bee0), p)
^  Call: (223) [user] is_delimiter(p)
   Call: (224) [system] char_type(p, space)
   Fail: (224) [system] char_type(p, space)
   Call: (224) [system] arg(_1823140, v('(', ')', end_of_file), p)
   Fail: (224) [system] arg(_1824072, v('(', ')', end_of_file), p)
^  Fail: (223) [user] is_delimiter(p)
   Call: (223) [system] ')'==p
   Fail: (223) [system] ')'==p
   Call: (223) [system] get_char((0x563acd73bee0), p)
   Exit: (223) [system] get_char((0x563acd73bee0), p)
   Call: (223) [system] p=(\)
   Fail: (223) [system] p=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _1831422)
   Call: (224) [system] peek_char((0x563acd73bee0), _1832356)
   Exit: (224) [system] peek_char((0x563acd73bee0), l)
^  Call: (224) [user] is_delimiter(l)
   Call: (225) [system] char_type(l, space)
   Fail: (225) [system] char_type(l, space)
   Call: (225) [system] arg(_1837076, v('(', ')', end_of_file), l)
   Fail: (225) [system] arg(_1838008, v('(', ')', end_of_file), l)
^  Fail: (224) [user] is_delimiter(l)
   Call: (224) [system] ')'==l
   Fail: (224) [system] ')'==l
   Call: (224) [system] get_char((0x563acd73bee0), l)
   Exit: (224) [system] get_char((0x563acd73bee0), l)
   Call: (224) [system] l=(\)
   Fail: (224) [system] l=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _1845358)
   Call: (225) [system] peek_char((0x563acd73bee0), _1846292)
   Exit: (225) [system] peek_char((0x563acd73bee0), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_1851012, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_1851944, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x563acd73bee0), i)
   Exit: (225) [system] get_char((0x563acd73bee0), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _1859294)
   Call: (226) [system] peek_char((0x563acd73bee0), _1860228)
   Exit: (226) [system] peek_char((0x563acd73bee0), c)
^  Call: (226) [user] is_delimiter(c)
   Call: (227) [system] char_type(c, space)
   Fail: (227) [system] char_type(c, space)
   Call: (227) [system] arg(_1864948, v('(', ')', end_of_file), c)
   Fail: (227) [system] arg(_1865880, v('(', ')', end_of_file), c)
^  Fail: (226) [user] is_delimiter(c)
   Call: (226) [system] ')'==c
   Fail: (226) [system] ')'==c
   Call: (226) [system] get_char((0x563acd73bee0), c)
   Exit: (226) [system] get_char((0x563acd73bee0), c)
   Call: (226) [system] c=(\)
   Fail: (226) [system] c=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _1873230)
   Call: (227) [system] peek_char((0x563acd73bee0), _1874164)
   Exit: (227) [system] peek_char((0x563acd73bee0), a)
^  Call: (227) [user] is_delimiter(a)
   Call: (228) [system] char_type(a, space)
   Fail: (228) [system] char_type(a, space)
   Call: (228) [system] arg(_1878884, v('(', ')', end_of_file), a)
   Fail: (228) [system] arg(_1879816, v('(', ')', end_of_file), a)
^  Fail: (227) [user] is_delimiter(a)
   Call: (227) [system] ')'==a
   Fail: (227) [system] ')'==a
   Call: (227) [system] get_char((0x563acd73bee0), a)
   Exit: (227) [system] get_char((0x563acd73bee0), a)
   Call: (227) [system] a=(\)
   Fail: (227) [system] a=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _1887166)
   Call: (228) [system] peek_char((0x563acd73bee0), _1888100)
   Exit: (228) [system] peek_char((0x563acd73bee0), t)
^  Call: (228) [user] is_delimiter(t)
   Call: (229) [system] char_type(t, space)
   Fail: (229) [system] char_type(t, space)
   Call: (229) [system] arg(_1892820, v('(', ')', end_of_file), t)
   Fail: (229) [system] arg(_1893752, v('(', ')', end_of_file), t)
^  Fail: (228) [user] is_delimiter(t)
   Call: (228) [system] ')'==t
   Fail: (228) [system] ')'==t
   Call: (228) [system] get_char((0x563acd73bee0), t)
   Exit: (228) [system] get_char((0x563acd73bee0), t)
   Call: (228) [system] t=(\)
   Fail: (228) [system] t=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _1901102)
   Call: (229) [system] peek_char((0x563acd73bee0), _1902036)
   Exit: (229) [system] peek_char((0x563acd73bee0), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_1906756, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_1907688, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x563acd73bee0), i)
   Exit: (229) [system] get_char((0x563acd73bee0), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _1915038)
   Call: (230) [system] peek_char((0x563acd73bee0), _1915972)
   Exit: (230) [system] peek_char((0x563acd73bee0), o)
^  Call: (230) [user] is_delimiter(o)
   Call: (231) [system] char_type(o, space)
   Fail: (231) [system] char_type(o, space)
   Call: (231) [system] arg(_1920692, v('(', ')', end_of_file), o)
   Fail: (231) [system] arg(_1921624, v('(', ')', end_of_file), o)
^  Fail: (230) [user] is_delimiter(o)
   Call: (230) [system] ')'==o
   Fail: (230) [system] ')'==o
   Call: (230) [system] get_char((0x563acd73bee0), o)
   Exit: (230) [system] get_char((0x563acd73bee0), o)
   Call: (230) [system] o=(\)
   Fail: (230) [system] o=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _1928974)
   Call: (231) [system] peek_char((0x563acd73bee0), _1929908)
   Exit: (231) [system] peek_char((0x563acd73bee0), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_1934628, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_1935560, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x563acd73bee0), n)
   Exit: (231) [system] get_char((0x563acd73bee0), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _1942910)
   Call: (232) [system] peek_char((0x563acd73bee0), _1943844)
   Exit: (232) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _1942910=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (231) [system] _1928974=[n]
   Exit: (231) [system] [n]=[n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (230) [system] _1915038=[o, n]
   Exit: (230) [system] [o, n]=[o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (229) [system] _1901102=[i, o, n]
   Exit: (229) [system] [i, o, n]=[i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (228) [system] _1887166=[t, i, o, n]
   Exit: (228) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (227) [system] _1873230=[a, t, i, o, n]
   Exit: (227) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (226) [system] _1859294=[c, a, t, i, o, n]
   Exit: (226) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (225) [system] _1845358=[i, c, a, t, i, o, n]
   Exit: (225) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (224) [system] _1831422=[l, i, c, a, t, i, o, n]
   Exit: (224) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (223) [system] _1817486=[p, l, i, c, a, t, i, o, n]
   Exit: (223) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (222) [system] _1803550=[m, p, l, i, c, a, t, i, o, n]
   Exit: (222) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (221) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1768040)
^  Call: (222) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1981068)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_1982020, _1982022), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1981068), _1982002, fail)), '$restore_trace'(_1982020, _1982022))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_1982020, _1982022))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1981068), _1982002, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_1981068)
   Fail: (223) [system] atomic(_1981068)
   Call: (223) [system] atom_chars(_1981068, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (223) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (222) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (222) [system] integer('Implication')
   Fail: (222) [system] integer('Implication')
   Call: (222) [system] _1768040='Implication'
   Exit: (222) [system] 'Implication'='Implication'
^  Exit: (221) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (220) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (219) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (219) [user] read_list(')', (0x563acd73bee0), _1996018)
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _1997876)
   Exit: (221) [system] peek_char((0x563acd73bee0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x563acd73bee0), _2007470)
   Exit: (221) [system] get_char((0x563acd73bee0), ' ')
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _2010174)
   Exit: (222) [system] peek_char((0x563acd73bee0), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
   Call: (222) [system] '('=(/)
   Fail: (222) [system] '('=(/)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _2027108)
   Exit: (220) [system] peek_char((0x563acd73bee0), '(')
   Call: (220) [system] '('=')'
   Fail: (220) [system] '('=')'
   Call: (220) [system] '('=end_of_file
   Fail: (220) [system] '('=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x563acd73bee0), _2032678)
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _2034536)
   Exit: (222) [system] peek_char((0x563acd73bee0), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
   Call: (222) [system] '('=(/)
   Fail: (222) [system] '('=(/)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] get_char((0x563acd73bee0), _2050546)
   Exit: (221) [system] get_char((0x563acd73bee0), '(')
   Call: (221) [system] '('='('
   Exit: (221) [system] '('='('
^  Call: (221) [user] read_list(')', (0x563acd73bee0), _2032678)
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _2056116)
   Exit: (223) [system] peek_char((0x563acd73bee0), 'A')
   Call: (223) [system] 'A'=(;)
   Fail: (223) [system] 'A'=(;)
   Call: (223) [system] 'A'=(/)
   Fail: (223) [system] 'A'=(/)
^  Call: (223) [user] is_like_space('A')
   Call: (224) [system] char_type('A', 'white')
   Fail: (224) [system] char_type('A', 'white')
   Call: (224) [system] char_type('A', end_of_line)
   Fail: (224) [system] char_type('A', end_of_line)
   Call: (224) [system] char_type('A', space)
   Fail: (224) [system] char_type('A', space)
   Call: (224) [system] char_type('A', cntrl)
   Fail: (224) [system] char_type('A', cntrl)
^  Fail: (223) [user] is_like_space('A')
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _2072126)
   Exit: (222) [system] peek_char((0x563acd73bee0), 'A')
   Call: (222) [system] 'A'=')'
   Fail: (222) [system] 'A'=')'
   Call: (222) [system] 'A'=end_of_file
   Fail: (222) [system] 'A'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x563acd73bee0), _2077696)
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _2079554)
   Exit: (224) [system] peek_char((0x563acd73bee0), 'A')
   Call: (224) [system] 'A'=(;)
   Fail: (224) [system] 'A'=(;)
   Call: (224) [system] 'A'=(/)
   Fail: (224) [system] 'A'=(/)
^  Call: (224) [user] is_like_space('A')
   Call: (225) [system] char_type('A', 'white')
   Fail: (225) [system] char_type('A', 'white')
   Call: (225) [system] char_type('A', end_of_line)
   Fail: (225) [system] char_type('A', end_of_line)
   Call: (225) [system] char_type('A', space)
   Fail: (225) [system] char_type('A', space)
   Call: (225) [system] char_type('A', cntrl)
   Fail: (225) [system] char_type('A', cntrl)
^  Fail: (224) [user] is_like_space('A')
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] get_char((0x563acd73bee0), _2095564)
   Exit: (223) [system] get_char((0x563acd73bee0), 'A')
   Call: (223) [system] 'A'='('
   Fail: (223) [system] 'A'='('
   Call: (223) [system] 'A'='['
   Fail: (223) [system] 'A'='['
   Call: (223) [system] 'A'='{'
   Fail: (223) [system] 'A'='{'
   Call: (223) [system] 'A'='"'
   Fail: (223) [system] 'A'='"'
   Call: (223) [system] 'A'=!
   Fail: (223) [system] 'A'=!
   Call: (223) [system] 'A'='\''
   Fail: (223) [system] 'A'='\''
   Call: (223) [system] 'A'='`'
   Fail: (223) [system] 'A'='`'
   Call: (223) [system] 'A'=end_of_file
   Fail: (223) [system] 'A'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x563acd73bee0), 'A', _5354)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _21768)
   Call: (225) [system] peek_char((0x563acd73bee0), _22702)
   Exit: (225) [system] peek_char((0x563acd73bee0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_27422, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_28354, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x563acd73bee0), n)
   Exit: (225) [system] get_char((0x563acd73bee0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _35704)
   Call: (226) [system] peek_char((0x563acd73bee0), _36638)
   Exit: (226) [system] peek_char((0x563acd73bee0), d)
^  Call: (226) [user] is_delimiter(d)
   Call: (227) [system] char_type(d, space)
   Fail: (227) [system] char_type(d, space)
   Call: (227) [system] arg(_41358, v('(', ')', end_of_file), d)
   Fail: (227) [system] arg(_42290, v('(', ')', end_of_file), d)
^  Fail: (226) [user] is_delimiter(d)
   Call: (226) [system] ')'==d
   Fail: (226) [system] ')'==d
   Call: (226) [system] get_char((0x563acd73bee0), d)
   Exit: (226) [system] get_char((0x563acd73bee0), d)
   Call: (226) [system] d=(\)
   Fail: (226) [system] d=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _49640)
   Call: (227) [system] peek_char((0x563acd73bee0), _50574)
   Exit: (227) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (227) [user] is_delimiter('L')
   Call: (228) [system] char_type('L', space)
   Fail: (228) [system] char_type('L', space)
   Call: (228) [system] arg(_55294, v('(', ')', end_of_file), 'L')
   Fail: (228) [system] arg(_56226, v('(', ')', end_of_file), 'L')
^  Fail: (227) [user] is_delimiter('L')
   Call: (227) [system] ')'=='L'
   Fail: (227) [system] ')'=='L'
   Call: (227) [system] get_char((0x563acd73bee0), 'L')
   Exit: (227) [system] get_char((0x563acd73bee0), 'L')
   Call: (227) [system] 'L'=(\)
   Fail: (227) [system] 'L'=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _63576)
   Call: (228) [system] peek_char((0x563acd73bee0), _64510)
   Exit: (228) [system] peek_char((0x563acd73bee0), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_69230, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_70162, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x563acd73bee0), i)
   Exit: (228) [system] get_char((0x563acd73bee0), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _77512)
   Call: (229) [system] peek_char((0x563acd73bee0), _78446)
   Exit: (229) [system] peek_char((0x563acd73bee0), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_83166, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_84098, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x563acd73bee0), n)
   Exit: (229) [system] get_char((0x563acd73bee0), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _91448)
   Call: (230) [system] peek_char((0x563acd73bee0), _92382)
   Exit: (230) [system] peek_char((0x563acd73bee0), k)
^  Call: (230) [user] is_delimiter(k)
   Call: (231) [system] char_type(k, space)
   Fail: (231) [system] char_type(k, space)
   Call: (231) [system] arg(_97102, v('(', ')', end_of_file), k)
   Fail: (231) [system] arg(_98034, v('(', ')', end_of_file), k)
^  Fail: (230) [user] is_delimiter(k)
   Call: (230) [system] ')'==k
   Fail: (230) [system] ')'==k
   Call: (230) [system] get_char((0x563acd73bee0), k)
   Exit: (230) [system] get_char((0x563acd73bee0), k)
   Call: (230) [system] k=(\)
   Fail: (230) [system] k=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _105384)
   Call: (231) [system] peek_char((0x563acd73bee0), _106318)
   Exit: (231) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _105384=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (230) [system] _91448=[k]
   Exit: (230) [system] [k]=[k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (229) [system] _77512=[n, k]
   Exit: (229) [system] [n, k]=[n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (228) [system] _63576=[i, n, k]
   Exit: (228) [system] [i, n, k]=[i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (227) [system] _49640=['L', i, n, k]
   Exit: (227) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (226) [system] _35704=[d, 'L', i, n, k]
   Exit: (226) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, 'L', i, n, k])
   Call: (225) [system] _21768=[n, d, 'L', i, n, k]
   Exit: (225) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, d, 'L', i, n, k])
^  Call: (224) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _5354)
^  Call: (225) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _132366)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_133318, _133320), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _132366), _133300, fail)), '$restore_trace'(_133318, _133320))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_133318, _133320))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _132366), _133300, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_132366)
   Fail: (226) [system] atomic(_132366)
   Call: (226) [system] atom_chars(_132366, ['A', n, d, 'L', i, n, k])
   Exit: (226) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (225) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (225) [system] integer('AndLink')
   Fail: (225) [system] integer('AndLink')
   Call: (225) [system] _5354='AndLink'
   Exit: (225) [system] 'AndLink'='AndLink'
^  Exit: (224) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (223) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'AndLink')
^  Exit: (222) [user] cont_sexpr(')', (0x563acd73bee0), 'AndLink')
^  Call: (222) [user] read_list(')', (0x563acd73bee0), _147316)
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _149174)
   Exit: (224) [system] peek_char((0x563acd73bee0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x563acd73bee0), _158768)
   Exit: (224) [system] get_char((0x563acd73bee0), ' ')
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _161472)
   Exit: (225) [system] peek_char((0x563acd73bee0), 'A')
   Call: (225) [system] 'A'=(;)
   Fail: (225) [system] 'A'=(;)
   Call: (225) [system] 'A'=(/)
   Fail: (225) [system] 'A'=(/)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Fail: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Fail: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Fail: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
   Fail: (226) [system] char_type('A', cntrl)
^  Fail: (225) [user] is_like_space('A')
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _178406)
   Exit: (223) [system] peek_char((0x563acd73bee0), 'A')
   Call: (223) [system] 'A'=')'
   Fail: (223) [system] 'A'=')'
   Call: (223) [system] 'A'=end_of_file
   Fail: (223) [system] 'A'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x563acd73bee0), _183976)
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _185834)
   Exit: (225) [system] peek_char((0x563acd73bee0), 'A')
   Call: (225) [system] 'A'=(;)
   Fail: (225) [system] 'A'=(;)
   Call: (225) [system] 'A'=(/)
   Fail: (225) [system] 'A'=(/)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Fail: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Fail: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Fail: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
   Fail: (226) [system] char_type('A', cntrl)
^  Fail: (225) [user] is_like_space('A')
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] get_char((0x563acd73bee0), _201844)
   Exit: (224) [system] get_char((0x563acd73bee0), 'A')
   Call: (224) [system] 'A'='('
   Fail: (224) [system] 'A'='('
   Call: (224) [system] 'A'='['
   Fail: (224) [system] 'A'='['
   Call: (224) [system] 'A'='{'
   Fail: (224) [system] 'A'='{'
   Call: (224) [system] 'A'='"'
   Fail: (224) [system] 'A'='"'
   Call: (224) [system] 'A'=!
   Fail: (224) [system] 'A'=!
   Call: (224) [system] 'A'='\''
   Fail: (224) [system] 'A'='\''
   Call: (224) [system] 'A'='`'
   Fail: (224) [system] 'A'='`'
   Call: (224) [system] 'A'=end_of_file
   Fail: (224) [system] 'A'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x563acd73bee0), 'A', _183976)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _219486)
   Call: (226) [system] peek_char((0x563acd73bee0), _220420)
   Exit: (226) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _219486=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (225) [user] classify_and_convert_charseq(['A'], _183976)
^  Call: (226) [user] classify_and_convert_charseq_(['A'], _229704)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_230656, _230658), once(user:catch(read_from_chars(['A'], _229704), _230638, fail)), '$restore_trace'(_230656, _230658))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_230656, _230658))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _229704), _230638, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_229704)
   Fail: (227) [system] atomic(_229704)
   Call: (227) [system] atom_chars(_229704, ['A'])
   Exit: (227) [system] atom_chars('A', ['A'])
^  Exit: (226) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (226) [system] integer('A')
   Fail: (226) [system] integer('A')
   Call: (226) [system] _183976='A'
   Exit: (226) [system] 'A'='A'
^  Exit: (225) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (224) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (223) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (223) [user] read_list(')', (0x563acd73bee0), _244654)
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _246512)
   Exit: (225) [system] peek_char((0x563acd73bee0), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x563acd73bee0), _256106)
   Exit: (225) [system] get_char((0x563acd73bee0), ' ')
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _258810)
   Exit: (226) [system] peek_char((0x563acd73bee0), 'B')
   Call: (226) [system] 'B'=(;)
   Fail: (226) [system] 'B'=(;)
   Call: (226) [system] 'B'=(/)
   Fail: (226) [system] 'B'=(/)
^  Call: (226) [user] is_like_space('B')
   Call: (227) [system] char_type('B', 'white')
   Fail: (227) [system] char_type('B', 'white')
   Call: (227) [system] char_type('B', end_of_line)
   Fail: (227) [system] char_type('B', end_of_line)
   Call: (227) [system] char_type('B', space)
   Fail: (227) [system] char_type('B', space)
   Call: (227) [system] char_type('B', cntrl)
   Fail: (227) [system] char_type('B', cntrl)
^  Fail: (226) [user] is_like_space('B')
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _275744)
   Exit: (224) [system] peek_char((0x563acd73bee0), 'B')
   Call: (224) [system] 'B'=')'
   Fail: (224) [system] 'B'=')'
   Call: (224) [system] 'B'=end_of_file
   Fail: (224) [system] 'B'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x563acd73bee0), _281314)
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _283172)
   Exit: (226) [system] peek_char((0x563acd73bee0), 'B')
   Call: (226) [system] 'B'=(;)
   Fail: (226) [system] 'B'=(;)
   Call: (226) [system] 'B'=(/)
   Fail: (226) [system] 'B'=(/)
^  Call: (226) [user] is_like_space('B')
   Call: (227) [system] char_type('B', 'white')
   Fail: (227) [system] char_type('B', 'white')
   Call: (227) [system] char_type('B', end_of_line)
   Fail: (227) [system] char_type('B', end_of_line)
   Call: (227) [system] char_type('B', space)
   Fail: (227) [system] char_type('B', space)
   Call: (227) [system] char_type('B', cntrl)
   Fail: (227) [system] char_type('B', cntrl)
^  Fail: (226) [user] is_like_space('B')
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] get_char((0x563acd73bee0), _299182)
   Exit: (225) [system] get_char((0x563acd73bee0), 'B')
   Call: (225) [system] 'B'='('
   Fail: (225) [system] 'B'='('
   Call: (225) [system] 'B'='['
   Fail: (225) [system] 'B'='['
   Call: (225) [system] 'B'='{'
   Fail: (225) [system] 'B'='{'
   Call: (225) [system] 'B'='"'
   Fail: (225) [system] 'B'='"'
   Call: (225) [system] 'B'=!
   Fail: (225) [system] 'B'=!
   Call: (225) [system] 'B'='\''
   Fail: (225) [system] 'B'='\''
   Call: (225) [system] 'B'='`'
   Fail: (225) [system] 'B'='`'
   Call: (225) [system] 'B'=end_of_file
   Fail: (225) [system] 'B'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x563acd73bee0), 'B', _281314)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _316824)
   Call: (227) [system] peek_char((0x563acd73bee0), _317758)
   Exit: (227) [system] peek_char((0x563acd73bee0), ')')
^  Call: (227) [user] is_delimiter(')')
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] arg(_322478, v('(', ')', end_of_file), ')')
   Exit: (228) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (227) [user] is_delimiter(')')
   Call: (227) [system] _316824=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (226) [user] classify_and_convert_charseq(['B'], _281314)
^  Call: (227) [user] classify_and_convert_charseq_(['B'], _328914)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_329866, _329868), once(user:catch(read_from_chars(['B'], _328914), _329848, fail)), '$restore_trace'(_329866, _329868))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_329866, _329868))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _328914), _329848, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_328914)
   Fail: (228) [system] atomic(_328914)
   Call: (228) [system] atom_chars(_328914, ['B'])
   Exit: (228) [system] atom_chars('B', ['B'])
^  Exit: (227) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (227) [system] integer('B')
   Fail: (227) [system] integer('B')
   Call: (227) [system] _281314='B'
   Exit: (227) [system] 'B'='B'
^  Exit: (226) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (225) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (224) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (224) [user] read_list(')', (0x563acd73bee0), _343864)
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _345722)
   Exit: (226) [system] peek_char((0x563acd73bee0), ')')
   Call: (226) [system] ')'=(;)
   Fail: (226) [system] ')'=(;)
   Call: (226) [system] ')'=(/)
   Fail: (226) [system] ')'=(/)
^  Call: (226) [user] is_like_space(')')
   Call: (227) [system] char_type(')', 'white')
   Fail: (227) [system] char_type(')', 'white')
   Call: (227) [system] char_type(')', end_of_line)
   Fail: (227) [system] char_type(')', end_of_line)
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] char_type(')', cntrl)
   Fail: (227) [system] char_type(')', cntrl)
^  Fail: (226) [user] is_like_space(')')
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _361732)
   Exit: (225) [system] peek_char((0x563acd73bee0), ')')
   Call: (225) [system] ')'=')'
   Exit: (225) [system] ')'=')'
   Call: (225) [system] get_char((0x563acd73bee0), _365522)
   Exit: (225) [system] get_char((0x563acd73bee0), ')')
   Call: (225) [system] _343864=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_list(')', (0x563acd73bee0), [])
   Call: (224) [system] _244654=['B']
   Exit: (224) [system] ['B']=['B']
^  Exit: (223) [user] read_list(')', (0x563acd73bee0), ['B'])
   Call: (223) [system] _147316=['A', 'B']
   Exit: (223) [system] ['A', 'B']=['A', 'B']
^  Exit: (222) [user] read_list(')', (0x563acd73bee0), ['A', 'B'])
   Call: (222) [system] _5348=['AndLink', 'A', 'B']
   Exit: (222) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (221) [user] read_list(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Exit: (220) [user] cont_sexpr(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Call: (220) [user] read_list(')', (0x563acd73bee0), _379404)
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _381262)
   Exit: (222) [system] peek_char((0x563acd73bee0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x563acd73bee0), _390856)
   Exit: (222) [system] get_char((0x563acd73bee0), ' ')
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _393560)
   Exit: (223) [system] peek_char((0x563acd73bee0), 'C')
   Call: (223) [system] 'C'=(;)
   Fail: (223) [system] 'C'=(;)
   Call: (223) [system] 'C'=(/)
   Fail: (223) [system] 'C'=(/)
^  Call: (223) [user] is_like_space('C')
   Call: (224) [system] char_type('C', 'white')
   Fail: (224) [system] char_type('C', 'white')
   Call: (224) [system] char_type('C', end_of_line)
   Fail: (224) [system] char_type('C', end_of_line)
   Call: (224) [system] char_type('C', space)
   Fail: (224) [system] char_type('C', space)
   Call: (224) [system] char_type('C', cntrl)
   Fail: (224) [system] char_type('C', cntrl)
^  Fail: (223) [user] is_like_space('C')
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _410494)
   Exit: (221) [system] peek_char((0x563acd73bee0), 'C')
   Call: (221) [system] 'C'=')'
   Fail: (221) [system] 'C'=')'
   Call: (221) [system] 'C'=end_of_file
   Fail: (221) [system] 'C'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x563acd73bee0), _416064)
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _417922)
   Exit: (223) [system] peek_char((0x563acd73bee0), 'C')
   Call: (223) [system] 'C'=(;)
   Fail: (223) [system] 'C'=(;)
   Call: (223) [system] 'C'=(/)
   Fail: (223) [system] 'C'=(/)
^  Call: (223) [user] is_like_space('C')
   Call: (224) [system] char_type('C', 'white')
   Fail: (224) [system] char_type('C', 'white')
   Call: (224) [system] char_type('C', end_of_line)
   Fail: (224) [system] char_type('C', end_of_line)
   Call: (224) [system] char_type('C', space)
   Fail: (224) [system] char_type('C', space)
   Call: (224) [system] char_type('C', cntrl)
   Fail: (224) [system] char_type('C', cntrl)
^  Fail: (223) [user] is_like_space('C')
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] get_char((0x563acd73bee0), _433932)
   Exit: (222) [system] get_char((0x563acd73bee0), 'C')
   Call: (222) [system] 'C'='('
   Fail: (222) [system] 'C'='('
   Call: (222) [system] 'C'='['
   Fail: (222) [system] 'C'='['
   Call: (222) [system] 'C'='{'
   Fail: (222) [system] 'C'='{'
   Call: (222) [system] 'C'='"'
   Fail: (222) [system] 'C'='"'
   Call: (222) [system] 'C'=!
   Fail: (222) [system] 'C'=!
   Call: (222) [system] 'C'='\''
   Fail: (222) [system] 'C'='\''
   Call: (222) [system] 'C'='`'
   Fail: (222) [system] 'C'='`'
   Call: (222) [system] 'C'=end_of_file
   Fail: (222) [system] 'C'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x563acd73bee0), 'C', _416064)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _451574)
   Call: (224) [system] peek_char((0x563acd73bee0), _452508)
   Exit: (224) [system] peek_char((0x563acd73bee0), ')')
^  Call: (224) [user] is_delimiter(')')
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] arg(_457228, v('(', ')', end_of_file), ')')
   Exit: (225) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (224) [user] is_delimiter(')')
   Call: (224) [system] _451574=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (223) [user] classify_and_convert_charseq(['C'], _416064)
^  Call: (224) [user] classify_and_convert_charseq_(['C'], _463664)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_464616, _464618), once(user:catch(read_from_chars(['C'], _463664), _464598, fail)), '$restore_trace'(_464616, _464618))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_464616, _464618))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _463664), _464598, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_463664)
   Fail: (225) [system] atomic(_463664)
   Call: (225) [system] atom_chars(_463664, ['C'])
   Exit: (225) [system] atom_chars('C', ['C'])
^  Exit: (224) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (224) [system] integer('C')
   Fail: (224) [system] integer('C')
   Call: (224) [system] _416064='C'
   Exit: (224) [system] 'C'='C'
^  Exit: (223) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (222) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (221) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (221) [user] read_list(')', (0x563acd73bee0), _478614)
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _480472)
   Exit: (223) [system] peek_char((0x563acd73bee0), ')')
   Call: (223) [system] ')'=(;)
   Fail: (223) [system] ')'=(;)
   Call: (223) [system] ')'=(/)
   Fail: (223) [system] ')'=(/)
^  Call: (223) [user] is_like_space(')')
   Call: (224) [system] char_type(')', 'white')
   Fail: (224) [system] char_type(')', 'white')
   Call: (224) [system] char_type(')', end_of_line)
   Fail: (224) [system] char_type(')', end_of_line)
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] char_type(')', cntrl)
   Fail: (224) [system] char_type(')', cntrl)
^  Fail: (223) [user] is_like_space(')')
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _496482)
   Exit: (222) [system] peek_char((0x563acd73bee0), ')')
   Call: (222) [system] ')'=')'
   Exit: (222) [system] ')'=')'
   Call: (222) [system] get_char((0x563acd73bee0), _500272)
   Exit: (222) [system] get_char((0x563acd73bee0), ')')
   Call: (222) [system] _478614=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_list(')', (0x563acd73bee0), [])
   Call: (221) [system] _379404=['C']
   Exit: (221) [system] ['C']=['C']
^  Exit: (220) [user] read_list(')', (0x563acd73bee0), ['C'])
   Call: (220) [system] _5344=[['AndLink', 'A', 'B'], 'C']
   Exit: (220) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (219) [user] read_list(')', (0x563acd73bee0), [['AndLink', 'A', 'B'], 'C'])
   Call: (219) [system] _5336=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (219) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (218) [user] read_list(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (217) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (217) [user] read_list(')', (0x563acd73bee0), _514154)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _516012)
   Exit: (219) [system] peek_char((0x563acd73bee0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x563acd73bee0), _525606)
   Exit: (219) [system] get_char((0x563acd73bee0), ' ')
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _528310)
   Exit: (220) [system] peek_char((0x563acd73bee0), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _545244)
   Exit: (218) [system] peek_char((0x563acd73bee0), '(')
   Call: (218) [system] '('=')'
   Fail: (218) [system] '('=')'
   Call: (218) [system] '('=end_of_file
   Fail: (218) [system] '('=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x563acd73bee0), _550814)
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _552672)
   Exit: (220) [system] peek_char((0x563acd73bee0), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] get_char((0x563acd73bee0), _568682)
   Exit: (219) [system] get_char((0x563acd73bee0), '(')
   Call: (219) [system] '('='('
   Exit: (219) [system] '('='('
^  Call: (219) [user] read_list(')', (0x563acd73bee0), _550814)
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _574252)
   Exit: (221) [system] peek_char((0x563acd73bee0), 'I')
   Call: (221) [system] 'I'=(;)
   Fail: (221) [system] 'I'=(;)
   Call: (221) [system] 'I'=(/)
   Fail: (221) [system] 'I'=(/)
^  Call: (221) [user] is_like_space('I')
   Call: (222) [system] char_type('I', 'white')
   Fail: (222) [system] char_type('I', 'white')
   Call: (222) [system] char_type('I', end_of_line)
   Fail: (222) [system] char_type('I', end_of_line)
   Call: (222) [system] char_type('I', space)
   Fail: (222) [system] char_type('I', space)
   Call: (222) [system] char_type('I', cntrl)
   Fail: (222) [system] char_type('I', cntrl)
^  Fail: (221) [user] is_like_space('I')
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _590262)
   Exit: (220) [system] peek_char((0x563acd73bee0), 'I')
   Call: (220) [system] 'I'=')'
   Fail: (220) [system] 'I'=')'
   Call: (220) [system] 'I'=end_of_file
   Fail: (220) [system] 'I'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x563acd73bee0), _595832)
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _597690)
   Exit: (222) [system] peek_char((0x563acd73bee0), 'I')
   Call: (222) [system] 'I'=(;)
   Fail: (222) [system] 'I'=(;)
   Call: (222) [system] 'I'=(/)
   Fail: (222) [system] 'I'=(/)
^  Call: (222) [user] is_like_space('I')
   Call: (223) [system] char_type('I', 'white')
   Fail: (223) [system] char_type('I', 'white')
   Call: (223) [system] char_type('I', end_of_line)
   Fail: (223) [system] char_type('I', end_of_line)
   Call: (223) [system] char_type('I', space)
   Fail: (223) [system] char_type('I', space)
   Call: (223) [system] char_type('I', cntrl)
   Fail: (223) [system] char_type('I', cntrl)
^  Fail: (222) [user] is_like_space('I')
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] get_char((0x563acd73bee0), _613700)
   Exit: (221) [system] get_char((0x563acd73bee0), 'I')
   Call: (221) [system] 'I'='('
   Fail: (221) [system] 'I'='('
   Call: (221) [system] 'I'='['
   Fail: (221) [system] 'I'='['
   Call: (221) [system] 'I'='{'
   Fail: (221) [system] 'I'='{'
   Call: (221) [system] 'I'='"'
   Fail: (221) [system] 'I'='"'
   Call: (221) [system] 'I'=!
   Fail: (221) [system] 'I'=!
   Call: (221) [system] 'I'='\''
   Fail: (221) [system] 'I'='\''
   Call: (221) [system] 'I'='`'
   Fail: (221) [system] 'I'='`'
   Call: (221) [system] 'I'=end_of_file
   Fail: (221) [system] 'I'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x563acd73bee0), 'I', _595832)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _631342)
   Call: (223) [system] peek_char((0x563acd73bee0), _632276)
   Exit: (223) [system] peek_char((0x563acd73bee0), m)
^  Call: (223) [user] is_delimiter(m)
   Call: (224) [system] char_type(m, space)
   Fail: (224) [system] char_type(m, space)
   Call: (224) [system] arg(_636996, v('(', ')', end_of_file), m)
   Fail: (224) [system] arg(_637928, v('(', ')', end_of_file), m)
^  Fail: (223) [user] is_delimiter(m)
   Call: (223) [system] ')'==m
   Fail: (223) [system] ')'==m
   Call: (223) [system] get_char((0x563acd73bee0), m)
   Exit: (223) [system] get_char((0x563acd73bee0), m)
   Call: (223) [system] m=(\)
   Fail: (223) [system] m=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _645278)
   Call: (224) [system] peek_char((0x563acd73bee0), _646212)
   Exit: (224) [system] peek_char((0x563acd73bee0), p)
^  Call: (224) [user] is_delimiter(p)
   Call: (225) [system] char_type(p, space)
   Fail: (225) [system] char_type(p, space)
   Call: (225) [system] arg(_650932, v('(', ')', end_of_file), p)
   Fail: (225) [system] arg(_651864, v('(', ')', end_of_file), p)
^  Fail: (224) [user] is_delimiter(p)
   Call: (224) [system] ')'==p
   Fail: (224) [system] ')'==p
   Call: (224) [system] get_char((0x563acd73bee0), p)
   Exit: (224) [system] get_char((0x563acd73bee0), p)
   Call: (224) [system] p=(\)
   Fail: (224) [system] p=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _659214)
   Call: (225) [system] peek_char((0x563acd73bee0), _660148)
   Exit: (225) [system] peek_char((0x563acd73bee0), l)
^  Call: (225) [user] is_delimiter(l)
   Call: (226) [system] char_type(l, space)
   Fail: (226) [system] char_type(l, space)
   Call: (226) [system] arg(_664868, v('(', ')', end_of_file), l)
   Fail: (226) [system] arg(_665800, v('(', ')', end_of_file), l)
^  Fail: (225) [user] is_delimiter(l)
   Call: (225) [system] ')'==l
   Fail: (225) [system] ')'==l
   Call: (225) [system] get_char((0x563acd73bee0), l)
   Exit: (225) [system] get_char((0x563acd73bee0), l)
   Call: (225) [system] l=(\)
   Fail: (225) [system] l=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _673150)
   Call: (226) [system] peek_char((0x563acd73bee0), _674084)
   Exit: (226) [system] peek_char((0x563acd73bee0), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Fail: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_678804, v('(', ')', end_of_file), i)
   Fail: (227) [system] arg(_679736, v('(', ')', end_of_file), i)
^  Fail: (226) [user] is_delimiter(i)
   Call: (226) [system] ')'==i
   Fail: (226) [system] ')'==i
   Call: (226) [system] get_char((0x563acd73bee0), i)
   Exit: (226) [system] get_char((0x563acd73bee0), i)
   Call: (226) [system] i=(\)
   Fail: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _687086)
   Call: (227) [system] peek_char((0x563acd73bee0), _688020)
   Exit: (227) [system] peek_char((0x563acd73bee0), c)
^  Call: (227) [user] is_delimiter(c)
   Call: (228) [system] char_type(c, space)
   Fail: (228) [system] char_type(c, space)
   Call: (228) [system] arg(_692740, v('(', ')', end_of_file), c)
   Fail: (228) [system] arg(_693672, v('(', ')', end_of_file), c)
^  Fail: (227) [user] is_delimiter(c)
   Call: (227) [system] ')'==c
   Fail: (227) [system] ')'==c
   Call: (227) [system] get_char((0x563acd73bee0), c)
   Exit: (227) [system] get_char((0x563acd73bee0), c)
   Call: (227) [system] c=(\)
   Fail: (227) [system] c=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _701022)
   Call: (228) [system] peek_char((0x563acd73bee0), _701956)
   Exit: (228) [system] peek_char((0x563acd73bee0), a)
^  Call: (228) [user] is_delimiter(a)
   Call: (229) [system] char_type(a, space)
   Fail: (229) [system] char_type(a, space)
   Call: (229) [system] arg(_706676, v('(', ')', end_of_file), a)
   Fail: (229) [system] arg(_707608, v('(', ')', end_of_file), a)
^  Fail: (228) [user] is_delimiter(a)
   Call: (228) [system] ')'==a
   Fail: (228) [system] ')'==a
   Call: (228) [system] get_char((0x563acd73bee0), a)
   Exit: (228) [system] get_char((0x563acd73bee0), a)
   Call: (228) [system] a=(\)
   Fail: (228) [system] a=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _714958)
   Call: (229) [system] peek_char((0x563acd73bee0), _715892)
   Exit: (229) [system] peek_char((0x563acd73bee0), t)
^  Call: (229) [user] is_delimiter(t)
   Call: (230) [system] char_type(t, space)
   Fail: (230) [system] char_type(t, space)
   Call: (230) [system] arg(_720612, v('(', ')', end_of_file), t)
   Fail: (230) [system] arg(_721544, v('(', ')', end_of_file), t)
^  Fail: (229) [user] is_delimiter(t)
   Call: (229) [system] ')'==t
   Fail: (229) [system] ')'==t
   Call: (229) [system] get_char((0x563acd73bee0), t)
   Exit: (229) [system] get_char((0x563acd73bee0), t)
   Call: (229) [system] t=(\)
   Fail: (229) [system] t=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _728894)
   Call: (230) [system] peek_char((0x563acd73bee0), _729828)
   Exit: (230) [system] peek_char((0x563acd73bee0), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Fail: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_734548, v('(', ')', end_of_file), i)
   Fail: (231) [system] arg(_735480, v('(', ')', end_of_file), i)
^  Fail: (230) [user] is_delimiter(i)
   Call: (230) [system] ')'==i
   Fail: (230) [system] ')'==i
   Call: (230) [system] get_char((0x563acd73bee0), i)
   Exit: (230) [system] get_char((0x563acd73bee0), i)
   Call: (230) [system] i=(\)
   Fail: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _742830)
   Call: (231) [system] peek_char((0x563acd73bee0), _743764)
   Exit: (231) [system] peek_char((0x563acd73bee0), o)
^  Call: (231) [user] is_delimiter(o)
   Call: (232) [system] char_type(o, space)
   Fail: (232) [system] char_type(o, space)
   Call: (232) [system] arg(_748484, v('(', ')', end_of_file), o)
   Fail: (232) [system] arg(_749416, v('(', ')', end_of_file), o)
^  Fail: (231) [user] is_delimiter(o)
   Call: (231) [system] ')'==o
   Fail: (231) [system] ')'==o
   Call: (231) [system] get_char((0x563acd73bee0), o)
   Exit: (231) [system] get_char((0x563acd73bee0), o)
   Call: (231) [system] o=(\)
   Fail: (231) [system] o=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _756766)
   Call: (232) [system] peek_char((0x563acd73bee0), _757700)
   Exit: (232) [system] peek_char((0x563acd73bee0), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Fail: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_762420, v('(', ')', end_of_file), n)
   Fail: (233) [system] arg(_763352, v('(', ')', end_of_file), n)
^  Fail: (232) [user] is_delimiter(n)
   Call: (232) [system] ')'==n
   Fail: (232) [system] ')'==n
   Call: (232) [system] get_char((0x563acd73bee0), n)
   Exit: (232) [system] get_char((0x563acd73bee0), n)
   Call: (232) [system] n=(\)
   Fail: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _770702)
   Call: (233) [system] peek_char((0x563acd73bee0), _771636)
   Exit: (233) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _770702=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (232) [system] _756766=[n]
   Exit: (232) [system] [n]=[n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (231) [system] _742830=[o, n]
   Exit: (231) [system] [o, n]=[o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (230) [system] _728894=[i, o, n]
   Exit: (230) [system] [i, o, n]=[i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (229) [system] _714958=[t, i, o, n]
   Exit: (229) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (228) [system] _701022=[a, t, i, o, n]
   Exit: (228) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (227) [system] _687086=[c, a, t, i, o, n]
   Exit: (227) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (226) [system] _673150=[i, c, a, t, i, o, n]
   Exit: (226) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (225) [system] _659214=[l, i, c, a, t, i, o, n]
   Exit: (225) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (224) [system] _645278=[p, l, i, c, a, t, i, o, n]
   Exit: (224) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (223) [system] _631342=[m, p, l, i, c, a, t, i, o, n]
   Exit: (223) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (222) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _595832)
^  Call: (223) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _808860)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_809812, _809814), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _808860), _809794, fail)), '$restore_trace'(_809812, _809814))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_809812, _809814))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _808860), _809794, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_808860)
   Fail: (224) [system] atomic(_808860)
   Call: (224) [system] atom_chars(_808860, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (224) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (223) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (223) [system] integer('Implication')
   Fail: (223) [system] integer('Implication')
   Call: (223) [system] _595832='Implication'
   Exit: (223) [system] 'Implication'='Implication'
^  Exit: (222) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (221) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (220) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (220) [user] read_list(')', (0x563acd73bee0), _823810)
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _825668)
   Exit: (222) [system] peek_char((0x563acd73bee0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x563acd73bee0), _835262)
   Exit: (222) [system] get_char((0x563acd73bee0), ' ')
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _837966)
   Exit: (223) [system] peek_char((0x563acd73bee0), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
   Call: (223) [system] '('=(/)
   Fail: (223) [system] '('=(/)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _854900)
   Exit: (221) [system] peek_char((0x563acd73bee0), '(')
   Call: (221) [system] '('=')'
   Fail: (221) [system] '('=')'
   Call: (221) [system] '('=end_of_file
   Fail: (221) [system] '('=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x563acd73bee0), _860470)
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _862328)
   Exit: (223) [system] peek_char((0x563acd73bee0), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
   Call: (223) [system] '('=(/)
   Fail: (223) [system] '('=(/)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] get_char((0x563acd73bee0), _878338)
   Exit: (222) [system] get_char((0x563acd73bee0), '(')
   Call: (222) [system] '('='('
   Exit: (222) [system] '('='('
^  Call: (222) [user] read_list(')', (0x563acd73bee0), _860470)
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _883908)
   Exit: (224) [system] peek_char((0x563acd73bee0), 'O')
   Call: (224) [system] 'O'=(;)
   Fail: (224) [system] 'O'=(;)
   Call: (224) [system] 'O'=(/)
   Fail: (224) [system] 'O'=(/)
^  Call: (224) [user] is_like_space('O')
   Call: (225) [system] char_type('O', 'white')
   Fail: (225) [system] char_type('O', 'white')
   Call: (225) [system] char_type('O', end_of_line)
   Fail: (225) [system] char_type('O', end_of_line)
   Call: (225) [system] char_type('O', space)
   Fail: (225) [system] char_type('O', space)
   Call: (225) [system] char_type('O', cntrl)
   Fail: (225) [system] char_type('O', cntrl)
^  Fail: (224) [user] is_like_space('O')
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _899918)
   Exit: (223) [system] peek_char((0x563acd73bee0), 'O')
   Call: (223) [system] 'O'=')'
   Fail: (223) [system] 'O'=')'
   Call: (223) [system] 'O'=end_of_file
   Fail: (223) [system] 'O'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x563acd73bee0), _905488)
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _907346)
   Exit: (225) [system] peek_char((0x563acd73bee0), 'O')
   Call: (225) [system] 'O'=(;)
   Fail: (225) [system] 'O'=(;)
   Call: (225) [system] 'O'=(/)
   Fail: (225) [system] 'O'=(/)
^  Call: (225) [user] is_like_space('O')
   Call: (226) [system] char_type('O', 'white')
   Fail: (226) [system] char_type('O', 'white')
   Call: (226) [system] char_type('O', end_of_line)
   Fail: (226) [system] char_type('O', end_of_line)
   Call: (226) [system] char_type('O', space)
   Fail: (226) [system] char_type('O', space)
   Call: (226) [system] char_type('O', cntrl)
   Fail: (226) [system] char_type('O', cntrl)
^  Fail: (225) [user] is_like_space('O')
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] get_char((0x563acd73bee0), _923356)
   Exit: (224) [system] get_char((0x563acd73bee0), 'O')
   Call: (224) [system] 'O'='('
   Fail: (224) [system] 'O'='('
   Call: (224) [system] 'O'='['
   Fail: (224) [system] 'O'='['
   Call: (224) [system] 'O'='{'
   Fail: (224) [system] 'O'='{'
   Call: (224) [system] 'O'='"'
   Fail: (224) [system] 'O'='"'
   Call: (224) [system] 'O'=!
   Fail: (224) [system] 'O'=!
   Call: (224) [system] 'O'='\''
   Fail: (224) [system] 'O'='\''
   Call: (224) [system] 'O'='`'
   Fail: (224) [system] 'O'='`'
   Call: (224) [system] 'O'=end_of_file
   Fail: (224) [system] 'O'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x563acd73bee0), 'O', _905488)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _940998)
   Call: (226) [system] peek_char((0x563acd73bee0), _941932)
   Exit: (226) [system] peek_char((0x563acd73bee0), r)
^  Call: (226) [user] is_delimiter(r)
   Call: (227) [system] char_type(r, space)
   Fail: (227) [system] char_type(r, space)
   Call: (227) [system] arg(_946652, v('(', ')', end_of_file), r)
   Fail: (227) [system] arg(_947584, v('(', ')', end_of_file), r)
^  Fail: (226) [user] is_delimiter(r)
   Call: (226) [system] ')'==r
   Fail: (226) [system] ')'==r
   Call: (226) [system] get_char((0x563acd73bee0), r)
   Exit: (226) [system] get_char((0x563acd73bee0), r)
   Call: (226) [system] r=(\)
   Fail: (226) [system] r=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _954934)
   Call: (227) [system] peek_char((0x563acd73bee0), _955868)
   Exit: (227) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (227) [user] is_delimiter('L')
   Call: (228) [system] char_type('L', space)
   Fail: (228) [system] char_type('L', space)
   Call: (228) [system] arg(_960588, v('(', ')', end_of_file), 'L')
   Fail: (228) [system] arg(_961520, v('(', ')', end_of_file), 'L')
^  Fail: (227) [user] is_delimiter('L')
   Call: (227) [system] ')'=='L'
   Fail: (227) [system] ')'=='L'
   Call: (227) [system] get_char((0x563acd73bee0), 'L')
   Exit: (227) [system] get_char((0x563acd73bee0), 'L')
   Call: (227) [system] 'L'=(\)
   Fail: (227) [system] 'L'=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _968870)
   Call: (228) [system] peek_char((0x563acd73bee0), _969804)
   Exit: (228) [system] peek_char((0x563acd73bee0), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_974524, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_975456, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x563acd73bee0), i)
   Exit: (228) [system] get_char((0x563acd73bee0), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _982806)
   Call: (229) [system] peek_char((0x563acd73bee0), _983740)
   Exit: (229) [system] peek_char((0x563acd73bee0), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_988460, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_989392, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x563acd73bee0), n)
   Exit: (229) [system] get_char((0x563acd73bee0), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _996742)
   Call: (230) [system] peek_char((0x563acd73bee0), _997676)
   Exit: (230) [system] peek_char((0x563acd73bee0), k)
^  Call: (230) [user] is_delimiter(k)
   Call: (231) [system] char_type(k, space)
   Fail: (231) [system] char_type(k, space)
   Call: (231) [system] arg(_1002396, v('(', ')', end_of_file), k)
   Fail: (231) [system] arg(_1003328, v('(', ')', end_of_file), k)
^  Fail: (230) [user] is_delimiter(k)
   Call: (230) [system] ')'==k
   Fail: (230) [system] ')'==k
   Call: (230) [system] get_char((0x563acd73bee0), k)
   Exit: (230) [system] get_char((0x563acd73bee0), k)
   Call: (230) [system] k=(\)
   Fail: (230) [system] k=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _1010678)
   Call: (231) [system] peek_char((0x563acd73bee0), _1011612)
   Exit: (231) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _1010678=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (230) [system] _996742=[k]
   Exit: (230) [system] [k]=[k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (229) [system] _982806=[n, k]
   Exit: (229) [system] [n, k]=[n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (228) [system] _968870=[i, n, k]
   Exit: (228) [system] [i, n, k]=[i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (227) [system] _954934=['L', i, n, k]
   Exit: (227) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (226) [system] _940998=[r, 'L', i, n, k]
   Exit: (226) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (225) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _905488)
^  Call: (226) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1034866)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_1035818, _1035820), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1034866), _1035800, fail)), '$restore_trace'(_1035818, _1035820))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_1035818, _1035820))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1034866), _1035800, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_1034866)
   Fail: (227) [system] atomic(_1034866)
   Call: (227) [system] atom_chars(_1034866, ['O', r, 'L', i, n, k])
   Exit: (227) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (226) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (226) [system] integer('OrLink')
   Fail: (226) [system] integer('OrLink')
   Call: (226) [system] _905488='OrLink'
   Exit: (226) [system] 'OrLink'='OrLink'
^  Exit: (225) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (224) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (223) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (223) [user] read_list(')', (0x563acd73bee0), _1049816)
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _1051674)
   Exit: (225) [system] peek_char((0x563acd73bee0), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x563acd73bee0), _1061268)
   Exit: (225) [system] get_char((0x563acd73bee0), ' ')
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _1063972)
   Exit: (226) [system] peek_char((0x563acd73bee0), 'C')
   Call: (226) [system] 'C'=(;)
   Fail: (226) [system] 'C'=(;)
   Call: (226) [system] 'C'=(/)
   Fail: (226) [system] 'C'=(/)
^  Call: (226) [user] is_like_space('C')
   Call: (227) [system] char_type('C', 'white')
   Fail: (227) [system] char_type('C', 'white')
   Call: (227) [system] char_type('C', end_of_line)
   Fail: (227) [system] char_type('C', end_of_line)
   Call: (227) [system] char_type('C', space)
   Fail: (227) [system] char_type('C', space)
   Call: (227) [system] char_type('C', cntrl)
   Fail: (227) [system] char_type('C', cntrl)
^  Fail: (226) [user] is_like_space('C')
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _1080906)
   Exit: (224) [system] peek_char((0x563acd73bee0), 'C')
   Call: (224) [system] 'C'=')'
   Fail: (224) [system] 'C'=')'
   Call: (224) [system] 'C'=end_of_file
   Fail: (224) [system] 'C'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x563acd73bee0), _1086476)
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _1088334)
   Exit: (226) [system] peek_char((0x563acd73bee0), 'C')
   Call: (226) [system] 'C'=(;)
   Fail: (226) [system] 'C'=(;)
   Call: (226) [system] 'C'=(/)
   Fail: (226) [system] 'C'=(/)
^  Call: (226) [user] is_like_space('C')
   Call: (227) [system] char_type('C', 'white')
   Fail: (227) [system] char_type('C', 'white')
   Call: (227) [system] char_type('C', end_of_line)
   Fail: (227) [system] char_type('C', end_of_line)
   Call: (227) [system] char_type('C', space)
   Fail: (227) [system] char_type('C', space)
   Call: (227) [system] char_type('C', cntrl)
   Fail: (227) [system] char_type('C', cntrl)
^  Fail: (226) [user] is_like_space('C')
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] get_char((0x563acd73bee0), _1104344)
   Exit: (225) [system] get_char((0x563acd73bee0), 'C')
   Call: (225) [system] 'C'='('
   Fail: (225) [system] 'C'='('
   Call: (225) [system] 'C'='['
   Fail: (225) [system] 'C'='['
   Call: (225) [system] 'C'='{'
   Fail: (225) [system] 'C'='{'
   Call: (225) [system] 'C'='"'
   Fail: (225) [system] 'C'='"'
   Call: (225) [system] 'C'=!
   Fail: (225) [system] 'C'=!
   Call: (225) [system] 'C'='\''
   Fail: (225) [system] 'C'='\''
   Call: (225) [system] 'C'='`'
   Fail: (225) [system] 'C'='`'
   Call: (225) [system] 'C'=end_of_file
   Fail: (225) [system] 'C'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x563acd73bee0), 'C', _1086476)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _1121986)
   Call: (227) [system] peek_char((0x563acd73bee0), _1122920)
   Exit: (227) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _1121986=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (226) [user] classify_and_convert_charseq(['C'], _1086476)
^  Call: (227) [user] classify_and_convert_charseq_(['C'], _1132204)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1133156, _1133158), once(user:catch(read_from_chars(['C'], _1132204), _1133138, fail)), '$restore_trace'(_1133156, _1133158))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1133156, _1133158))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1132204), _1133138, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_1132204)
   Fail: (228) [system] atomic(_1132204)
   Call: (228) [system] atom_chars(_1132204, ['C'])
   Exit: (228) [system] atom_chars('C', ['C'])
^  Exit: (227) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (227) [system] integer('C')
   Fail: (227) [system] integer('C')
   Call: (227) [system] _1086476='C'
   Exit: (227) [system] 'C'='C'
^  Exit: (226) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (225) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (224) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (224) [user] read_list(')', (0x563acd73bee0), _1147154)
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _1149012)
   Exit: (226) [system] peek_char((0x563acd73bee0), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x563acd73bee0), _1158606)
   Exit: (226) [system] get_char((0x563acd73bee0), ' ')
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _1161310)
   Exit: (227) [system] peek_char((0x563acd73bee0), 'D')
   Call: (227) [system] 'D'=(;)
   Fail: (227) [system] 'D'=(;)
   Call: (227) [system] 'D'=(/)
   Fail: (227) [system] 'D'=(/)
^  Call: (227) [user] is_like_space('D')
   Call: (228) [system] char_type('D', 'white')
   Fail: (228) [system] char_type('D', 'white')
   Call: (228) [system] char_type('D', end_of_line)
   Fail: (228) [system] char_type('D', end_of_line)
   Call: (228) [system] char_type('D', space)
   Fail: (228) [system] char_type('D', space)
   Call: (228) [system] char_type('D', cntrl)
   Fail: (228) [system] char_type('D', cntrl)
^  Fail: (227) [user] is_like_space('D')
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _1178244)
   Exit: (225) [system] peek_char((0x563acd73bee0), 'D')
   Call: (225) [system] 'D'=')'
   Fail: (225) [system] 'D'=')'
   Call: (225) [system] 'D'=end_of_file
   Fail: (225) [system] 'D'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x563acd73bee0), _1183814)
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _1185672)
   Exit: (227) [system] peek_char((0x563acd73bee0), 'D')
   Call: (227) [system] 'D'=(;)
   Fail: (227) [system] 'D'=(;)
   Call: (227) [system] 'D'=(/)
   Fail: (227) [system] 'D'=(/)
^  Call: (227) [user] is_like_space('D')
   Call: (228) [system] char_type('D', 'white')
   Fail: (228) [system] char_type('D', 'white')
   Call: (228) [system] char_type('D', end_of_line)
   Fail: (228) [system] char_type('D', end_of_line)
   Call: (228) [system] char_type('D', space)
   Fail: (228) [system] char_type('D', space)
   Call: (228) [system] char_type('D', cntrl)
   Fail: (228) [system] char_type('D', cntrl)
^  Fail: (227) [user] is_like_space('D')
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] get_char((0x563acd73bee0), _1201682)
   Exit: (226) [system] get_char((0x563acd73bee0), 'D')
   Call: (226) [system] 'D'='('
   Fail: (226) [system] 'D'='('
   Call: (226) [system] 'D'='['
   Fail: (226) [system] 'D'='['
   Call: (226) [system] 'D'='{'
   Fail: (226) [system] 'D'='{'
   Call: (226) [system] 'D'='"'
   Fail: (226) [system] 'D'='"'
   Call: (226) [system] 'D'=!
   Fail: (226) [system] 'D'=!
   Call: (226) [system] 'D'='\''
   Fail: (226) [system] 'D'='\''
   Call: (226) [system] 'D'='`'
   Fail: (226) [system] 'D'='`'
   Call: (226) [system] 'D'=end_of_file
   Fail: (226) [system] 'D'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x563acd73bee0), 'D', _1183814)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _1219324)
   Call: (228) [system] peek_char((0x563acd73bee0), _1220258)
   Exit: (228) [system] peek_char((0x563acd73bee0), ')')
^  Call: (228) [user] is_delimiter(')')
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] arg(_1224978, v('(', ')', end_of_file), ')')
   Exit: (229) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (228) [user] is_delimiter(')')
   Call: (228) [system] _1219324=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (227) [user] classify_and_convert_charseq(['D'], _1183814)
^  Call: (228) [user] classify_and_convert_charseq_(['D'], _1231414)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_1232366, _1232368), once(user:catch(read_from_chars(['D'], _1231414), _1232348, fail)), '$restore_trace'(_1232366, _1232368))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_1232366, _1232368))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1231414), _1232348, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_1231414)
   Fail: (229) [system] atomic(_1231414)
   Call: (229) [system] atom_chars(_1231414, ['D'])
   Exit: (229) [system] atom_chars('D', ['D'])
^  Exit: (228) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (228) [system] integer('D')
   Fail: (228) [system] integer('D')
   Call: (228) [system] _1183814='D'
   Exit: (228) [system] 'D'='D'
^  Exit: (227) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (226) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'D')
^  Exit: (225) [user] cont_sexpr(')', (0x563acd73bee0), 'D')
^  Call: (225) [user] read_list(')', (0x563acd73bee0), _1246364)
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _1248222)
   Exit: (227) [system] peek_char((0x563acd73bee0), ')')
   Call: (227) [system] ')'=(;)
   Fail: (227) [system] ')'=(;)
   Call: (227) [system] ')'=(/)
   Fail: (227) [system] ')'=(/)
^  Call: (227) [user] is_like_space(')')
   Call: (228) [system] char_type(')', 'white')
   Fail: (228) [system] char_type(')', 'white')
   Call: (228) [system] char_type(')', end_of_line)
   Fail: (228) [system] char_type(')', end_of_line)
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] char_type(')', cntrl)
   Fail: (228) [system] char_type(')', cntrl)
^  Fail: (227) [user] is_like_space(')')
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _1264232)
   Exit: (226) [system] peek_char((0x563acd73bee0), ')')
   Call: (226) [system] ')'=')'
   Exit: (226) [system] ')'=')'
   Call: (226) [system] get_char((0x563acd73bee0), _1268022)
   Exit: (226) [system] get_char((0x563acd73bee0), ')')
   Call: (226) [system] _1246364=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_list(')', (0x563acd73bee0), [])
   Call: (225) [system] _1147154=['D']
   Exit: (225) [system] ['D']=['D']
^  Exit: (224) [user] read_list(')', (0x563acd73bee0), ['D'])
   Call: (224) [system] _1049816=['C', 'D']
   Exit: (224) [system] ['C', 'D']=['C', 'D']
^  Exit: (223) [user] read_list(')', (0x563acd73bee0), ['C', 'D'])
   Call: (223) [system] _860470=['OrLink', 'C', 'D']
   Exit: (223) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (222) [user] read_list(')', (0x563acd73bee0), ['OrLink', 'C', 'D'])
^  Exit: (221) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', 'C', 'D'])
^  Call: (221) [user] read_list(')', (0x563acd73bee0), _1281904)
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _1283762)
   Exit: (223) [system] peek_char((0x563acd73bee0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x563acd73bee0), _1293356)
   Exit: (223) [system] get_char((0x563acd73bee0), ' ')
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _1296060)
   Exit: (224) [system] peek_char((0x563acd73bee0), 'E')
   Call: (224) [system] 'E'=(;)
   Fail: (224) [system] 'E'=(;)
   Call: (224) [system] 'E'=(/)
   Fail: (224) [system] 'E'=(/)
^  Call: (224) [user] is_like_space('E')
   Call: (225) [system] char_type('E', 'white')
   Fail: (225) [system] char_type('E', 'white')
   Call: (225) [system] char_type('E', end_of_line)
   Fail: (225) [system] char_type('E', end_of_line)
   Call: (225) [system] char_type('E', space)
   Fail: (225) [system] char_type('E', space)
   Call: (225) [system] char_type('E', cntrl)
   Fail: (225) [system] char_type('E', cntrl)
^  Fail: (224) [user] is_like_space('E')
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _1312994)
   Exit: (222) [system] peek_char((0x563acd73bee0), 'E')
   Call: (222) [system] 'E'=')'
   Fail: (222) [system] 'E'=')'
   Call: (222) [system] 'E'=end_of_file
   Fail: (222) [system] 'E'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x563acd73bee0), _1318564)
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _1320422)
   Exit: (224) [system] peek_char((0x563acd73bee0), 'E')
   Call: (224) [system] 'E'=(;)
   Fail: (224) [system] 'E'=(;)
   Call: (224) [system] 'E'=(/)
   Fail: (224) [system] 'E'=(/)
^  Call: (224) [user] is_like_space('E')
   Call: (225) [system] char_type('E', 'white')
   Fail: (225) [system] char_type('E', 'white')
   Call: (225) [system] char_type('E', end_of_line)
   Fail: (225) [system] char_type('E', end_of_line)
   Call: (225) [system] char_type('E', space)
   Fail: (225) [system] char_type('E', space)
   Call: (225) [system] char_type('E', cntrl)
   Fail: (225) [system] char_type('E', cntrl)
^  Fail: (224) [user] is_like_space('E')
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] get_char((0x563acd73bee0), _1336432)
   Exit: (223) [system] get_char((0x563acd73bee0), 'E')
   Call: (223) [system] 'E'='('
   Fail: (223) [system] 'E'='('
   Call: (223) [system] 'E'='['
   Fail: (223) [system] 'E'='['
   Call: (223) [system] 'E'='{'
   Fail: (223) [system] 'E'='{'
   Call: (223) [system] 'E'='"'
   Fail: (223) [system] 'E'='"'
   Call: (223) [system] 'E'=!
   Fail: (223) [system] 'E'=!
   Call: (223) [system] 'E'='\''
   Fail: (223) [system] 'E'='\''
   Call: (223) [system] 'E'='`'
   Fail: (223) [system] 'E'='`'
   Call: (223) [system] 'E'=end_of_file
   Fail: (223) [system] 'E'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x563acd73bee0), 'E', _1318564)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _1354074)
   Call: (225) [system] peek_char((0x563acd73bee0), _1355008)
   Exit: (225) [system] peek_char((0x563acd73bee0), ')')
^  Call: (225) [user] is_delimiter(')')
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] arg(_1359728, v('(', ')', end_of_file), ')')
   Exit: (226) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (225) [user] is_delimiter(')')
   Call: (225) [system] _1354074=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (224) [user] classify_and_convert_charseq(['E'], _1318564)
^  Call: (225) [user] classify_and_convert_charseq_(['E'], _1366164)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1367116, _1367118), once(user:catch(read_from_chars(['E'], _1366164), _1367098, fail)), '$restore_trace'(_1367116, _1367118))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1367116, _1367118))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1366164), _1367098, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_1366164)
   Fail: (226) [system] atomic(_1366164)
   Call: (226) [system] atom_chars(_1366164, ['E'])
   Exit: (226) [system] atom_chars('E', ['E'])
^  Exit: (225) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (225) [system] integer('E')
   Fail: (225) [system] integer('E')
   Call: (225) [system] _1318564='E'
   Exit: (225) [system] 'E'='E'
^  Exit: (224) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (223) [user] read_symbolic(')', (0x563acd73bee0), 'E', 'E')
^  Exit: (222) [user] cont_sexpr(')', (0x563acd73bee0), 'E')
^  Call: (222) [user] read_list(')', (0x563acd73bee0), _1381114)
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _1382972)
   Exit: (224) [system] peek_char((0x563acd73bee0), ')')
   Call: (224) [system] ')'=(;)
   Fail: (224) [system] ')'=(;)
   Call: (224) [system] ')'=(/)
   Fail: (224) [system] ')'=(/)
^  Call: (224) [user] is_like_space(')')
   Call: (225) [system] char_type(')', 'white')
   Fail: (225) [system] char_type(')', 'white')
   Call: (225) [system] char_type(')', end_of_line)
   Fail: (225) [system] char_type(')', end_of_line)
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] char_type(')', cntrl)
   Fail: (225) [system] char_type(')', cntrl)
^  Fail: (224) [user] is_like_space(')')
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _1398982)
   Exit: (223) [system] peek_char((0x563acd73bee0), ')')
   Call: (223) [system] ')'=')'
   Exit: (223) [system] ')'=')'
   Call: (223) [system] get_char((0x563acd73bee0), _1402772)
   Exit: (223) [system] get_char((0x563acd73bee0), ')')
   Call: (223) [system] _1381114=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_list(')', (0x563acd73bee0), [])
   Call: (222) [system] _1281904=['E']
   Exit: (222) [system] ['E']=['E']
^  Exit: (221) [user] read_list(')', (0x563acd73bee0), ['E'])
   Call: (221) [system] _823810=[['OrLink', 'C', 'D'], 'E']
   Exit: (221) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (220) [user] read_list(')', (0x563acd73bee0), [['OrLink', 'C', 'D'], 'E'])
   Call: (220) [system] _550814=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (220) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (219) [user] read_list(')', (0x563acd73bee0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (218) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (218) [user] read_list(')', (0x563acd73bee0), _1416654)
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _1418512)
   Exit: (220) [system] peek_char((0x563acd73bee0), ')')
   Call: (220) [system] ')'=(;)
   Fail: (220) [system] ')'=(;)
   Call: (220) [system] ')'=(/)
   Fail: (220) [system] ')'=(/)
^  Call: (220) [user] is_like_space(')')
   Call: (221) [system] char_type(')', 'white')
   Fail: (221) [system] char_type(')', 'white')
   Call: (221) [system] char_type(')', end_of_line)
   Fail: (221) [system] char_type(')', end_of_line)
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] char_type(')', cntrl)
   Fail: (221) [system] char_type(')', cntrl)
^  Fail: (220) [user] is_like_space(')')
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _1434522)
   Exit: (219) [system] peek_char((0x563acd73bee0), ')')
   Call: (219) [system] ')'=')'
   Exit: (219) [system] ')'=')'
   Call: (219) [system] get_char((0x563acd73bee0), _1438312)
   Exit: (219) [system] get_char((0x563acd73bee0), ')')
   Call: (219) [system] _1416654=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_list(')', (0x563acd73bee0), [])
   Call: (218) [system] _514154=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (218) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (217) [user] read_list(')', (0x563acd73bee0), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (217) [system] _5332=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (217) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (216) [user] read_list(')', (0x563acd73bee0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (216) [system] _5324=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (216) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (215) [user] read_list(')', (0x563acd73bee0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (214) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (214) [user] read_list(')', (0x563acd73bee0), _1452194)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1454052)
   Exit: (216) [system] peek_char((0x563acd73bee0), ')')
   Call: (216) [system] ')'=(;)
   Fail: (216) [system] ')'=(;)
   Call: (216) [system] ')'=(/)
   Fail: (216) [system] ')'=(/)
^  Call: (216) [user] is_like_space(')')
   Call: (217) [system] char_type(')', 'white')
   Fail: (217) [system] char_type(')', 'white')
   Call: (217) [system] char_type(')', end_of_line)
   Fail: (217) [system] char_type(')', end_of_line)
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] char_type(')', cntrl)
   Fail: (217) [system] char_type(')', cntrl)
^  Fail: (216) [user] is_like_space(')')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1470062)
   Exit: (215) [system] peek_char((0x563acd73bee0), ')')
   Call: (215) [system] ')'=')'
   Exit: (215) [system] ')'=')'
   Call: (215) [system] get_char((0x563acd73bee0), _1473852)
   Exit: (215) [system] get_char((0x563acd73bee0), ')')
   Call: (215) [system] _1452194=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_list(')', (0x563acd73bee0), [])
   Call: (214) [system] _5320=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (214) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (213) [user] read_list(')', (0x563acd73bee0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (213) [system] _5296=[['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (213) [system] [['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (212) [user] read_list(')', (0x563acd73bee0), [['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (212) [system] _5288=[:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (212) [system] [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (211) [user] read_list(')', (0x563acd73bee0), [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (210) [user] cont_sexpr(')', (0x563acd73bee0), [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (210) [user] read_list(')', (0x563acd73bee0), _1487734)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1489592)
   Exit: (212) [system] peek_char((0x563acd73bee0), '\n')
   Call: (212) [system] '\n'=(;)
   Fail: (212) [system] '\n'=(;)
   Call: (212) [system] '\n'=(/)
   Fail: (212) [system] '\n'=(/)
^  Call: (212) [user] is_like_space('\n')
   Call: (213) [system] char_type('\n', 'white')
   Fail: (213) [system] char_type('\n', 'white')
   Call: (213) [system] char_type('\n', end_of_line)
   Exit: (213) [system] char_type('\n', end_of_line)
^  Exit: (212) [user] is_like_space('\n')
   Call: (212) [system] get_char((0x563acd73bee0), _1501042)
   Exit: (212) [system] get_char((0x563acd73bee0), '\n')
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1503746)
   Exit: (213) [system] peek_char((0x563acd73bee0), '\t')
   Call: (213) [system] '\t'=(;)
   Fail: (213) [system] '\t'=(;)
   Call: (213) [system] '\t'=(/)
   Fail: (213) [system] '\t'=(/)
^  Call: (213) [user] is_like_space('\t')
   Call: (214) [system] char_type('\t', 'white')
   Exit: (214) [system] char_type('\t', 'white')
^  Exit: (213) [user] is_like_space('\t')
   Call: (213) [system] get_char((0x563acd73bee0), _1513340)
   Exit: (213) [system] get_char((0x563acd73bee0), '\t')
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1516044)
   Exit: (214) [system] peek_char((0x563acd73bee0), '\t')
   Call: (214) [system] '\t'=(;)
   Fail: (214) [system] '\t'=(;)
   Call: (214) [system] '\t'=(/)
   Fail: (214) [system] '\t'=(/)
^  Call: (214) [user] is_like_space('\t')
   Call: (215) [system] char_type('\t', 'white')
   Exit: (215) [system] char_type('\t', 'white')
^  Exit: (214) [user] is_like_space('\t')
   Call: (214) [system] get_char((0x563acd73bee0), _1525638)
   Exit: (214) [system] get_char((0x563acd73bee0), '\t')
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1528342)
   Exit: (215) [system] peek_char((0x563acd73bee0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x563acd73bee0), _1537936)
   Exit: (215) [system] get_char((0x563acd73bee0), ' ')
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1540640)
   Exit: (216) [system] peek_char((0x563acd73bee0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1560346)
   Exit: (211) [system] peek_char((0x563acd73bee0), '(')
   Call: (211) [system] '('=')'
   Fail: (211) [system] '('=')'
   Call: (211) [system] '('=end_of_file
   Fail: (211) [system] '('=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x563acd73bee0), _1565916)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1567774)
   Exit: (213) [system] peek_char((0x563acd73bee0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] get_char((0x563acd73bee0), _1583784)
   Exit: (212) [system] get_char((0x563acd73bee0), '(')
   Call: (212) [system] '('='('
   Exit: (212) [system] '('='('
^  Call: (212) [user] read_list(')', (0x563acd73bee0), _1565916)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1589354)
   Exit: (214) [system] peek_char((0x563acd73bee0), :)
   Call: (214) [system] (:)=(;)
   Fail: (214) [system] (:)=(;)
   Call: (214) [system] (:)=(/)
   Fail: (214) [system] (:)=(/)
^  Call: (214) [user] is_like_space(:)
   Call: (215) [system] char_type(:, 'white')
   Fail: (215) [system] char_type(:, 'white')
   Call: (215) [system] char_type(:, end_of_line)
   Fail: (215) [system] char_type(:, end_of_line)
   Call: (215) [system] char_type(:, space)
   Fail: (215) [system] char_type(:, space)
   Call: (215) [system] char_type(:, cntrl)
   Fail: (215) [system] char_type(:, cntrl)
^  Fail: (214) [user] is_like_space(:)
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1605364)
   Exit: (213) [system] peek_char((0x563acd73bee0), :)
   Call: (213) [system] (:)=')'
   Fail: (213) [system] (:)=')'
   Call: (213) [system] (:)=end_of_file
   Fail: (213) [system] (:)=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x563acd73bee0), _1610934)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1612792)
   Exit: (215) [system] peek_char((0x563acd73bee0), :)
   Call: (215) [system] (:)=(;)
   Fail: (215) [system] (:)=(;)
   Call: (215) [system] (:)=(/)
   Fail: (215) [system] (:)=(/)
^  Call: (215) [user] is_like_space(:)
   Call: (216) [system] char_type(:, 'white')
   Fail: (216) [system] char_type(:, 'white')
   Call: (216) [system] char_type(:, end_of_line)
   Fail: (216) [system] char_type(:, end_of_line)
   Call: (216) [system] char_type(:, space)
   Fail: (216) [system] char_type(:, space)
   Call: (216) [system] char_type(:, cntrl)
   Fail: (216) [system] char_type(:, cntrl)
^  Fail: (215) [user] is_like_space(:)
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] get_char((0x563acd73bee0), _1628802)
   Exit: (214) [system] get_char((0x563acd73bee0), :)
   Call: (214) [system] (:)='('
   Fail: (214) [system] (:)='('
   Call: (214) [system] (:)='['
   Fail: (214) [system] (:)='['
   Call: (214) [system] (:)='{'
   Fail: (214) [system] (:)='{'
   Call: (214) [system] (:)='"'
   Fail: (214) [system] (:)='"'
   Call: (214) [system] (:)=!
   Fail: (214) [system] (:)=!
   Call: (214) [system] (:)='\''
   Fail: (214) [system] (:)='\''
   Call: (214) [system] (:)='`'
   Fail: (214) [system] (:)='`'
   Call: (214) [system] (:)=end_of_file
   Fail: (214) [system] (:)=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x563acd73bee0), :, _1610934)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _1646444)
   Call: (216) [system] peek_char((0x563acd73bee0), _1647378)
   Exit: (216) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _1646444=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (215) [user] classify_and_convert_charseq([:], _1610934)
^  Call: (216) [user] classify_and_convert_charseq_([:], _1656662)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1657614, _1657616), once(user:catch(read_from_chars([:], _1656662), _1657596, fail)), '$restore_trace'(_1657614, _1657616))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1657614, _1657616))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1657596, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(:)
   Exit: (217) [system] atomic(:)
^  Exit: (216) [user] classify_and_convert_charseq_([:], :)
   Call: (216) [system] integer(:)
   Fail: (216) [system] integer(:)
   Call: (216) [system] _1610934=(:)
   Exit: (216) [system] (:)=(:)
^  Exit: (215) [user] classify_and_convert_charseq([:], :)
^  Exit: (214) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (213) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (213) [user] read_list(')', (0x563acd73bee0), _1669742)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1671600)
   Exit: (215) [system] peek_char((0x563acd73bee0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x563acd73bee0), _1681194)
   Exit: (215) [system] get_char((0x563acd73bee0), ' ')
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1683898)
   Exit: (216) [system] peek_char((0x563acd73bee0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1700832)
   Exit: (214) [system] peek_char((0x563acd73bee0), '(')
   Call: (214) [system] '('=')'
   Fail: (214) [system] '('=')'
   Call: (214) [system] '('=end_of_file
   Fail: (214) [system] '('=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x563acd73bee0), _1706402)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1708260)
   Exit: (216) [system] peek_char((0x563acd73bee0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] get_char((0x563acd73bee0), _1724270)
   Exit: (215) [system] get_char((0x563acd73bee0), '(')
   Call: (215) [system] '('='('
   Exit: (215) [system] '('='('
^  Call: (215) [user] read_list(')', (0x563acd73bee0), _1706402)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1729840)
   Exit: (217) [system] peek_char((0x563acd73bee0), 'D')
   Call: (217) [system] 'D'=(;)
   Fail: (217) [system] 'D'=(;)
   Call: (217) [system] 'D'=(/)
   Fail: (217) [system] 'D'=(/)
^  Call: (217) [user] is_like_space('D')
   Call: (218) [system] char_type('D', 'white')
   Fail: (218) [system] char_type('D', 'white')
   Call: (218) [system] char_type('D', end_of_line)
   Fail: (218) [system] char_type('D', end_of_line)
   Call: (218) [system] char_type('D', space)
   Fail: (218) [system] char_type('D', space)
   Call: (218) [system] char_type('D', cntrl)
   Fail: (218) [system] char_type('D', cntrl)
^  Fail: (217) [user] is_like_space('D')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1745850)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'D')
   Call: (216) [system] 'D'=')'
   Fail: (216) [system] 'D'=')'
   Call: (216) [system] 'D'=end_of_file
   Fail: (216) [system] 'D'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x563acd73bee0), _1751420)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _1753278)
   Exit: (218) [system] peek_char((0x563acd73bee0), 'D')
   Call: (218) [system] 'D'=(;)
   Fail: (218) [system] 'D'=(;)
   Call: (218) [system] 'D'=(/)
   Fail: (218) [system] 'D'=(/)
^  Call: (218) [user] is_like_space('D')
   Call: (219) [system] char_type('D', 'white')
   Fail: (219) [system] char_type('D', 'white')
   Call: (219) [system] char_type('D', end_of_line)
   Fail: (219) [system] char_type('D', end_of_line)
   Call: (219) [system] char_type('D', space)
   Fail: (219) [system] char_type('D', space)
   Call: (219) [system] char_type('D', cntrl)
   Fail: (219) [system] char_type('D', cntrl)
^  Fail: (218) [user] is_like_space('D')
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] get_char((0x563acd73bee0), _1769288)
   Exit: (217) [system] get_char((0x563acd73bee0), 'D')
   Call: (217) [system] 'D'='('
   Fail: (217) [system] 'D'='('
   Call: (217) [system] 'D'='['
   Fail: (217) [system] 'D'='['
   Call: (217) [system] 'D'='{'
   Fail: (217) [system] 'D'='{'
   Call: (217) [system] 'D'='"'
   Fail: (217) [system] 'D'='"'
   Call: (217) [system] 'D'=!
   Fail: (217) [system] 'D'=!
   Call: (217) [system] 'D'='\''
   Fail: (217) [system] 'D'='\''
   Call: (217) [system] 'D'='`'
   Fail: (217) [system] 'D'='`'
   Call: (217) [system] 'D'=end_of_file
   Fail: (217) [system] 'D'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x563acd73bee0), 'D', _1751420)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _1786930)
   Call: (219) [system] peek_char((0x563acd73bee0), _1787864)
   Exit: (219) [system] peek_char((0x563acd73bee0), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Fail: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_1792584, v('(', ')', end_of_file), i)
   Fail: (220) [system] arg(_1793516, v('(', ')', end_of_file), i)
^  Fail: (219) [user] is_delimiter(i)
   Call: (219) [system] ')'==i
   Fail: (219) [system] ')'==i
   Call: (219) [system] get_char((0x563acd73bee0), i)
   Exit: (219) [system] get_char((0x563acd73bee0), i)
   Call: (219) [system] i=(\)
   Fail: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _1800866)
   Call: (220) [system] peek_char((0x563acd73bee0), _1801800)
   Exit: (220) [system] peek_char((0x563acd73bee0), s)
^  Call: (220) [user] is_delimiter(s)
   Call: (221) [system] char_type(s, space)
   Fail: (221) [system] char_type(s, space)
   Call: (221) [system] arg(_1806520, v('(', ')', end_of_file), s)
   Fail: (221) [system] arg(_1807452, v('(', ')', end_of_file), s)
^  Fail: (220) [user] is_delimiter(s)
   Call: (220) [system] ')'==s
   Fail: (220) [system] ')'==s
   Call: (220) [system] get_char((0x563acd73bee0), s)
   Exit: (220) [system] get_char((0x563acd73bee0), s)
   Call: (220) [system] s=(\)
   Fail: (220) [system] s=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _1814802)
   Call: (221) [system] peek_char((0x563acd73bee0), _1815736)
   Exit: (221) [system] peek_char((0x563acd73bee0), j)
^  Call: (221) [user] is_delimiter(j)
   Call: (222) [system] char_type(j, space)
   Fail: (222) [system] char_type(j, space)
   Call: (222) [system] arg(_1820456, v('(', ')', end_of_file), j)
   Fail: (222) [system] arg(_1821388, v('(', ')', end_of_file), j)
^  Fail: (221) [user] is_delimiter(j)
   Call: (221) [system] ')'==j
   Fail: (221) [system] ')'==j
   Call: (221) [system] get_char((0x563acd73bee0), j)
   Exit: (221) [system] get_char((0x563acd73bee0), j)
   Call: (221) [system] j=(\)
   Fail: (221) [system] j=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _1828738)
   Call: (222) [system] peek_char((0x563acd73bee0), _1829672)
   Exit: (222) [system] peek_char((0x563acd73bee0), u)
^  Call: (222) [user] is_delimiter(u)
   Call: (223) [system] char_type(u, space)
   Fail: (223) [system] char_type(u, space)
   Call: (223) [system] arg(_1834392, v('(', ')', end_of_file), u)
   Fail: (223) [system] arg(_1835324, v('(', ')', end_of_file), u)
^  Fail: (222) [user] is_delimiter(u)
   Call: (222) [system] ')'==u
   Fail: (222) [system] ')'==u
   Call: (222) [system] get_char((0x563acd73bee0), u)
   Exit: (222) [system] get_char((0x563acd73bee0), u)
   Call: (222) [system] u=(\)
   Fail: (222) [system] u=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _1842674)
   Call: (223) [system] peek_char((0x563acd73bee0), _1843608)
   Exit: (223) [system] peek_char((0x563acd73bee0), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_1848328, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_1849260, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x563acd73bee0), n)
   Exit: (223) [system] get_char((0x563acd73bee0), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _1856610)
   Call: (224) [system] peek_char((0x563acd73bee0), _1857544)
   Exit: (224) [system] peek_char((0x563acd73bee0), c)
^  Call: (224) [user] is_delimiter(c)
   Call: (225) [system] char_type(c, space)
   Fail: (225) [system] char_type(c, space)
   Call: (225) [system] arg(_1862264, v('(', ')', end_of_file), c)
   Fail: (225) [system] arg(_1863196, v('(', ')', end_of_file), c)
^  Fail: (224) [user] is_delimiter(c)
   Call: (224) [system] ')'==c
   Fail: (224) [system] ')'==c
   Call: (224) [system] get_char((0x563acd73bee0), c)
   Exit: (224) [system] get_char((0x563acd73bee0), c)
   Call: (224) [system] c=(\)
   Fail: (224) [system] c=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _1870546)
   Call: (225) [system] peek_char((0x563acd73bee0), _1871480)
   Exit: (225) [system] peek_char((0x563acd73bee0), t)
^  Call: (225) [user] is_delimiter(t)
   Call: (226) [system] char_type(t, space)
   Fail: (226) [system] char_type(t, space)
   Call: (226) [system] arg(_1876200, v('(', ')', end_of_file), t)
   Fail: (226) [system] arg(_1877132, v('(', ')', end_of_file), t)
^  Fail: (225) [user] is_delimiter(t)
   Call: (225) [system] ')'==t
   Fail: (225) [system] ')'==t
   Call: (225) [system] get_char((0x563acd73bee0), t)
   Exit: (225) [system] get_char((0x563acd73bee0), t)
   Call: (225) [system] t=(\)
   Fail: (225) [system] t=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _1884482)
   Call: (226) [system] peek_char((0x563acd73bee0), _1885416)
   Exit: (226) [system] peek_char((0x563acd73bee0), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Fail: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_1890136, v('(', ')', end_of_file), i)
   Fail: (227) [system] arg(_1891068, v('(', ')', end_of_file), i)
^  Fail: (226) [user] is_delimiter(i)
   Call: (226) [system] ')'==i
   Fail: (226) [system] ')'==i
   Call: (226) [system] get_char((0x563acd73bee0), i)
   Exit: (226) [system] get_char((0x563acd73bee0), i)
   Call: (226) [system] i=(\)
   Fail: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _1898418)
   Call: (227) [system] peek_char((0x563acd73bee0), _1899352)
   Exit: (227) [system] peek_char((0x563acd73bee0), o)
^  Call: (227) [user] is_delimiter(o)
   Call: (228) [system] char_type(o, space)
   Fail: (228) [system] char_type(o, space)
   Call: (228) [system] arg(_1904072, v('(', ')', end_of_file), o)
   Fail: (228) [system] arg(_1905004, v('(', ')', end_of_file), o)
^  Fail: (227) [user] is_delimiter(o)
   Call: (227) [system] ')'==o
   Fail: (227) [system] ')'==o
   Call: (227) [system] get_char((0x563acd73bee0), o)
   Exit: (227) [system] get_char((0x563acd73bee0), o)
   Call: (227) [system] o=(\)
   Fail: (227) [system] o=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _1912354)
   Call: (228) [system] peek_char((0x563acd73bee0), _1913288)
   Exit: (228) [system] peek_char((0x563acd73bee0), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_1918008, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_1918940, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x563acd73bee0), n)
   Exit: (228) [system] get_char((0x563acd73bee0), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _1926290)
   Call: (229) [system] peek_char((0x563acd73bee0), _1927224)
   Exit: (229) [system] peek_char((0x563acd73bee0), 'I')
^  Call: (229) [user] is_delimiter('I')
   Call: (230) [system] char_type('I', space)
   Fail: (230) [system] char_type('I', space)
   Call: (230) [system] arg(_1931944, v('(', ')', end_of_file), 'I')
   Fail: (230) [system] arg(_1932876, v('(', ')', end_of_file), 'I')
^  Fail: (229) [user] is_delimiter('I')
   Call: (229) [system] ')'=='I'
   Fail: (229) [system] ')'=='I'
   Call: (229) [system] get_char((0x563acd73bee0), 'I')
   Exit: (229) [system] get_char((0x563acd73bee0), 'I')
   Call: (229) [system] 'I'=(\)
   Fail: (229) [system] 'I'=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _1940226)
   Call: (230) [system] peek_char((0x563acd73bee0), _1941160)
   Exit: (230) [system] peek_char((0x563acd73bee0), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_1945880, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_1946812, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x563acd73bee0), n)
   Exit: (230) [system] get_char((0x563acd73bee0), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _1954162)
   Call: (231) [system] peek_char((0x563acd73bee0), _1955096)
   Exit: (231) [system] peek_char((0x563acd73bee0), t)
^  Call: (231) [user] is_delimiter(t)
   Call: (232) [system] char_type(t, space)
   Fail: (232) [system] char_type(t, space)
   Call: (232) [system] arg(_1959816, v('(', ')', end_of_file), t)
   Fail: (232) [system] arg(_1960748, v('(', ')', end_of_file), t)
^  Fail: (231) [user] is_delimiter(t)
   Call: (231) [system] ')'==t
   Fail: (231) [system] ')'==t
   Call: (231) [system] get_char((0x563acd73bee0), t)
   Exit: (231) [system] get_char((0x563acd73bee0), t)
   Call: (231) [system] t=(\)
   Fail: (231) [system] t=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _1968098)
   Call: (232) [system] peek_char((0x563acd73bee0), _1969032)
   Exit: (232) [system] peek_char((0x563acd73bee0), r)
^  Call: (232) [user] is_delimiter(r)
   Call: (233) [system] char_type(r, space)
   Fail: (233) [system] char_type(r, space)
   Call: (233) [system] arg(_1973752, v('(', ')', end_of_file), r)
   Fail: (233) [system] arg(_1974684, v('(', ')', end_of_file), r)
^  Fail: (232) [user] is_delimiter(r)
   Call: (232) [system] ')'==r
   Fail: (232) [system] ')'==r
   Call: (232) [system] get_char((0x563acd73bee0), r)
   Exit: (232) [system] get_char((0x563acd73bee0), r)
   Call: (232) [system] r=(\)
   Fail: (232) [system] r=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _1982034)
   Call: (233) [system] peek_char((0x563acd73bee0), _1982968)
   Exit: (233) [system] peek_char((0x563acd73bee0), o)
^  Call: (233) [user] is_delimiter(o)
   Call: (234) [system] char_type(o, space)
   Fail: (234) [system] char_type(o, space)
   Call: (234) [system] arg(_1987688, v('(', ')', end_of_file), o)
   Fail: (234) [system] arg(_1988620, v('(', ')', end_of_file), o)
^  Fail: (233) [user] is_delimiter(o)
   Call: (233) [system] ')'==o
   Fail: (233) [system] ')'==o
   Call: (233) [system] get_char((0x563acd73bee0), o)
   Exit: (233) [system] get_char((0x563acd73bee0), o)
   Call: (233) [system] o=(\)
   Fail: (233) [system] o=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), _1995970)
   Call: (234) [system] peek_char((0x563acd73bee0), _1996904)
   Exit: (234) [system] peek_char((0x563acd73bee0), d)
^  Call: (234) [user] is_delimiter(d)
   Call: (235) [system] char_type(d, space)
   Fail: (235) [system] char_type(d, space)
   Call: (235) [system] arg(_2001624, v('(', ')', end_of_file), d)
   Fail: (235) [system] arg(_2002556, v('(', ')', end_of_file), d)
^  Fail: (234) [user] is_delimiter(d)
   Call: (234) [system] ')'==d
   Fail: (234) [system] ')'==d
   Call: (234) [system] get_char((0x563acd73bee0), d)
   Exit: (234) [system] get_char((0x563acd73bee0), d)
   Call: (234) [system] d=(\)
   Fail: (234) [system] d=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), _2009906)
   Call: (235) [system] peek_char((0x563acd73bee0), _2010840)
   Exit: (235) [system] peek_char((0x563acd73bee0), u)
^  Call: (235) [user] is_delimiter(u)
   Call: (236) [system] char_type(u, space)
   Fail: (236) [system] char_type(u, space)
   Call: (236) [system] arg(_2015560, v('(', ')', end_of_file), u)
   Fail: (236) [system] arg(_2016492, v('(', ')', end_of_file), u)
^  Fail: (235) [user] is_delimiter(u)
   Call: (235) [system] ')'==u
   Fail: (235) [system] ')'==u
   Call: (235) [system] get_char((0x563acd73bee0), u)
   Exit: (235) [system] get_char((0x563acd73bee0), u)
   Call: (235) [system] u=(\)
   Fail: (235) [system] u=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), _2023842)
   Call: (236) [system] peek_char((0x563acd73bee0), _2024776)
   Exit: (236) [system] peek_char((0x563acd73bee0), c)
^  Call: (236) [user] is_delimiter(c)
   Call: (237) [system] char_type(c, space)
   Fail: (237) [system] char_type(c, space)
   Call: (237) [system] arg(_2029496, v('(', ')', end_of_file), c)
   Fail: (237) [system] arg(_2030428, v('(', ')', end_of_file), c)
^  Fail: (236) [user] is_delimiter(c)
   Call: (236) [system] ')'==c
   Fail: (236) [system] ')'==c
   Call: (236) [system] get_char((0x563acd73bee0), c)
   Exit: (236) [system] get_char((0x563acd73bee0), c)
   Call: (236) [system] c=(\)
   Fail: (236) [system] c=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), _2037778)
   Call: (237) [system] peek_char((0x563acd73bee0), _2038712)
   Exit: (237) [system] peek_char((0x563acd73bee0), t)
^  Call: (237) [user] is_delimiter(t)
   Call: (238) [system] char_type(t, space)
   Fail: (238) [system] char_type(t, space)
   Call: (238) [system] arg(_2043432, v('(', ')', end_of_file), t)
   Fail: (238) [system] arg(_2044364, v('(', ')', end_of_file), t)
^  Fail: (237) [user] is_delimiter(t)
   Call: (237) [system] ')'==t
   Fail: (237) [system] ')'==t
   Call: (237) [system] get_char((0x563acd73bee0), t)
   Exit: (237) [system] get_char((0x563acd73bee0), t)
   Call: (237) [system] t=(\)
   Fail: (237) [system] t=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), _2051714)
   Call: (238) [system] peek_char((0x563acd73bee0), _2052648)
   Exit: (238) [system] peek_char((0x563acd73bee0), i)
^  Call: (238) [user] is_delimiter(i)
   Call: (239) [system] char_type(i, space)
   Fail: (239) [system] char_type(i, space)
   Call: (239) [system] arg(_2057368, v('(', ')', end_of_file), i)
   Fail: (239) [system] arg(_2058300, v('(', ')', end_of_file), i)
^  Fail: (238) [user] is_delimiter(i)
   Call: (238) [system] ')'==i
   Fail: (238) [system] ')'==i
   Call: (238) [system] get_char((0x563acd73bee0), i)
   Exit: (238) [system] get_char((0x563acd73bee0), i)
   Call: (238) [system] i=(\)
   Fail: (238) [system] i=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x563acd73bee0), _2065650)
   Call: (239) [system] peek_char((0x563acd73bee0), _2066584)
   Exit: (239) [system] peek_char((0x563acd73bee0), o)
^  Call: (239) [user] is_delimiter(o)
   Call: (240) [system] char_type(o, space)
   Fail: (240) [system] char_type(o, space)
   Call: (240) [system] arg(_2071304, v('(', ')', end_of_file), o)
   Fail: (240) [system] arg(_2072236, v('(', ')', end_of_file), o)
^  Fail: (239) [user] is_delimiter(o)
   Call: (239) [system] ')'==o
   Fail: (239) [system] ')'==o
   Call: (239) [system] get_char((0x563acd73bee0), o)
   Exit: (239) [system] get_char((0x563acd73bee0), o)
   Call: (239) [system] o=(\)
   Fail: (239) [system] o=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x563acd73bee0), _2079586)
   Call: (240) [system] peek_char((0x563acd73bee0), _2080520)
   Exit: (240) [system] peek_char((0x563acd73bee0), n)
^  Call: (240) [user] is_delimiter(n)
   Call: (241) [system] char_type(n, space)
   Fail: (241) [system] char_type(n, space)
   Call: (241) [system] arg(_2085240, v('(', ')', end_of_file), n)
   Fail: (241) [system] arg(_2086172, v('(', ')', end_of_file), n)
^  Fail: (240) [user] is_delimiter(n)
   Call: (240) [system] ')'==n
   Fail: (240) [system] ')'==n
   Call: (240) [system] get_char((0x563acd73bee0), n)
   Exit: (240) [system] get_char((0x563acd73bee0), n)
   Call: (240) [system] n=(\)
   Fail: (240) [system] n=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x563acd73bee0), _2093522)
   Call: (241) [system] peek_char((0x563acd73bee0), _2094456)
   Exit: (241) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (241) [user] is_delimiter(' ')
   Call: (242) [system] char_type(' ', space)
   Exit: (242) [system] char_type(' ', space)
^  Exit: (241) [user] is_delimiter(' ')
   Call: (241) [system] _5530=[]
   Exit: (241) [system] []=[]
^  Exit: (240) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (240) [system] _5526=[n]
   Exit: (240) [system] [n]=[n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (239) [system] _5522=[o, n]
   Exit: (239) [system] [o, n]=[o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (238) [system] _5518=[i, o, n]
   Exit: (238) [system] [i, o, n]=[i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (237) [system] _5514=[t, i, o, n]
   Exit: (237) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (236) [system] _5510=[c, t, i, o, n]
   Exit: (236) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n])
   Call: (235) [system] _5506=[u, c, t, i, o, n]
   Exit: (235) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, i, o, n])
   Call: (234) [system] _5502=[d, u, c, t, i, o, n]
   Exit: (234) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, u, c, t, i, o, n])
   Call: (233) [system] _5498=[o, d, u, c, t, i, o, n]
   Exit: (233) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, d, u, c, t, i, o, n])
   Call: (232) [system] _5494=[r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _5490=[t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _5486=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _5482=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _5478=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _5474=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _5470=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _5466=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _5462=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _5458=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _5454=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _5450=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _5446=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _5442=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (218) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _5438)
^  Call: (219) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _73932)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_74884, _74886), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _73932), _74866, fail)), '$restore_trace'(_74884, _74886))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_74884, _74886))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _73932), _74866, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_73932)
   Fail: (220) [system] atomic(_73932)
   Call: (220) [system] atom_chars(_73932, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (220) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (219) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (219) [system] integer('DisjunctionIntroduction')
   Fail: (219) [system] integer('DisjunctionIntroduction')
   Call: (219) [system] _5438='DisjunctionIntroduction'
   Exit: (219) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (218) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (217) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'DisjunctionIntroduction')
^  Exit: (216) [user] cont_sexpr(')', (0x563acd73bee0), 'DisjunctionIntroduction')
^  Call: (216) [user] read_list(')', (0x563acd73bee0), _88882)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _90740)
   Exit: (218) [system] peek_char((0x563acd73bee0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x563acd73bee0), _100334)
   Exit: (218) [system] get_char((0x563acd73bee0), ' ')
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _103038)
   Exit: (219) [system] peek_char((0x563acd73bee0), a)
   Call: (219) [system] a=(;)
   Fail: (219) [system] a=(;)
   Call: (219) [system] a=(/)
   Fail: (219) [system] a=(/)
^  Call: (219) [user] is_like_space(a)
   Call: (220) [system] char_type(a, 'white')
   Fail: (220) [system] char_type(a, 'white')
   Call: (220) [system] char_type(a, end_of_line)
   Fail: (220) [system] char_type(a, end_of_line)
   Call: (220) [system] char_type(a, space)
   Fail: (220) [system] char_type(a, space)
   Call: (220) [system] char_type(a, cntrl)
   Fail: (220) [system] char_type(a, cntrl)
^  Fail: (219) [user] is_like_space(a)
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _119972)
   Exit: (217) [system] peek_char((0x563acd73bee0), a)
   Call: (217) [system] a=')'
   Fail: (217) [system] a=')'
   Call: (217) [system] a=end_of_file
   Fail: (217) [system] a=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x563acd73bee0), _125542)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _127400)
   Exit: (219) [system] peek_char((0x563acd73bee0), a)
   Call: (219) [system] a=(;)
   Fail: (219) [system] a=(;)
   Call: (219) [system] a=(/)
   Fail: (219) [system] a=(/)
^  Call: (219) [user] is_like_space(a)
   Call: (220) [system] char_type(a, 'white')
   Fail: (220) [system] char_type(a, 'white')
   Call: (220) [system] char_type(a, end_of_line)
   Fail: (220) [system] char_type(a, end_of_line)
   Call: (220) [system] char_type(a, space)
   Fail: (220) [system] char_type(a, space)
   Call: (220) [system] char_type(a, cntrl)
   Fail: (220) [system] char_type(a, cntrl)
^  Fail: (219) [user] is_like_space(a)
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] get_char((0x563acd73bee0), _143410)
   Exit: (218) [system] get_char((0x563acd73bee0), a)
   Call: (218) [system] a='('
   Fail: (218) [system] a='('
   Call: (218) [system] a='['
   Fail: (218) [system] a='['
   Call: (218) [system] a='{'
   Fail: (218) [system] a='{'
   Call: (218) [system] a='"'
   Fail: (218) [system] a='"'
   Call: (218) [system] a=!
   Fail: (218) [system] a=!
   Call: (218) [system] a='\''
   Fail: (218) [system] a='\''
   Call: (218) [system] a='`'
   Fail: (218) [system] a='`'
   Call: (218) [system] a=end_of_file
   Fail: (218) [system] a=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x563acd73bee0), a, _125542)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _161052)
   Call: (220) [system] peek_char((0x563acd73bee0), _161986)
   Exit: (220) [system] peek_char((0x563acd73bee0), b)
^  Call: (220) [user] is_delimiter(b)
   Call: (221) [system] char_type(b, space)
   Fail: (221) [system] char_type(b, space)
   Call: (221) [system] arg(_166706, v('(', ')', end_of_file), b)
   Fail: (221) [system] arg(_167638, v('(', ')', end_of_file), b)
^  Fail: (220) [user] is_delimiter(b)
   Call: (220) [system] ')'==b
   Fail: (220) [system] ')'==b
   Call: (220) [system] get_char((0x563acd73bee0), b)
   Exit: (220) [system] get_char((0x563acd73bee0), b)
   Call: (220) [system] b=(\)
   Fail: (220) [system] b=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _174988)
   Call: (221) [system] peek_char((0x563acd73bee0), _175922)
   Exit: (221) [system] peek_char((0x563acd73bee0), c)
^  Call: (221) [user] is_delimiter(c)
   Call: (222) [system] char_type(c, space)
   Fail: (222) [system] char_type(c, space)
   Call: (222) [system] arg(_180642, v('(', ')', end_of_file), c)
   Fail: (222) [system] arg(_181574, v('(', ')', end_of_file), c)
^  Fail: (221) [user] is_delimiter(c)
   Call: (221) [system] ')'==c
   Fail: (221) [system] ')'==c
   Call: (221) [system] get_char((0x563acd73bee0), c)
   Exit: (221) [system] get_char((0x563acd73bee0), c)
   Call: (221) [system] c=(\)
   Fail: (221) [system] c=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _188924)
   Call: (222) [system] peek_char((0x563acd73bee0), _189858)
   Exit: (222) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _188924=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (221) [system] _174988=[c]
   Exit: (221) [system] [c]=[c]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [c])
   Call: (220) [system] _161052=[b, c]
   Exit: (220) [system] [b, c]=[b, c]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [b, c])
^  Call: (219) [user] classify_and_convert_charseq([a, b, c], _125542)
^  Call: (220) [user] classify_and_convert_charseq_([a, b, c], _204730)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_205682, _205684), once(user:catch(read_from_chars([a, b, c], _204730), _205664, fail)), '$restore_trace'(_205682, _205684))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_205682, _205684))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _205664, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(abc)
   Exit: (221) [system] atomic(abc)
^  Exit: (220) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (220) [system] integer(abc)
   Fail: (220) [system] integer(abc)
   Call: (220) [system] _125542=abc
   Exit: (220) [system] abc=abc
^  Exit: (219) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (218) [user] read_symbolic(')', (0x563acd73bee0), a, abc)
^  Exit: (217) [user] cont_sexpr(')', (0x563acd73bee0), abc)
^  Call: (217) [user] read_list(')', (0x563acd73bee0), _217810)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _219668)
   Exit: (219) [system] peek_char((0x563acd73bee0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x563acd73bee0), _229262)
   Exit: (219) [system] get_char((0x563acd73bee0), ' ')
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _231966)
   Exit: (220) [system] peek_char((0x563acd73bee0), a)
   Call: (220) [system] a=(;)
   Fail: (220) [system] a=(;)
   Call: (220) [system] a=(/)
   Fail: (220) [system] a=(/)
^  Call: (220) [user] is_like_space(a)
   Call: (221) [system] char_type(a, 'white')
   Fail: (221) [system] char_type(a, 'white')
   Call: (221) [system] char_type(a, end_of_line)
   Fail: (221) [system] char_type(a, end_of_line)
   Call: (221) [system] char_type(a, space)
   Fail: (221) [system] char_type(a, space)
   Call: (221) [system] char_type(a, cntrl)
   Fail: (221) [system] char_type(a, cntrl)
^  Fail: (220) [user] is_like_space(a)
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _248900)
   Exit: (218) [system] peek_char((0x563acd73bee0), a)
   Call: (218) [system] a=')'
   Fail: (218) [system] a=')'
   Call: (218) [system] a=end_of_file
   Fail: (218) [system] a=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x563acd73bee0), _254470)
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _256328)
   Exit: (220) [system] peek_char((0x563acd73bee0), a)
   Call: (220) [system] a=(;)
   Fail: (220) [system] a=(;)
   Call: (220) [system] a=(/)
   Fail: (220) [system] a=(/)
^  Call: (220) [user] is_like_space(a)
   Call: (221) [system] char_type(a, 'white')
   Fail: (221) [system] char_type(a, 'white')
   Call: (221) [system] char_type(a, end_of_line)
   Fail: (221) [system] char_type(a, end_of_line)
   Call: (221) [system] char_type(a, space)
   Fail: (221) [system] char_type(a, space)
   Call: (221) [system] char_type(a, cntrl)
   Fail: (221) [system] char_type(a, cntrl)
^  Fail: (220) [user] is_like_space(a)
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] get_char((0x563acd73bee0), _272338)
   Exit: (219) [system] get_char((0x563acd73bee0), a)
   Call: (219) [system] a='('
   Fail: (219) [system] a='('
   Call: (219) [system] a='['
   Fail: (219) [system] a='['
   Call: (219) [system] a='{'
   Fail: (219) [system] a='{'
   Call: (219) [system] a='"'
   Fail: (219) [system] a='"'
   Call: (219) [system] a=!
   Fail: (219) [system] a=!
   Call: (219) [system] a='\''
   Fail: (219) [system] a='\''
   Call: (219) [system] a='`'
   Fail: (219) [system] a='`'
   Call: (219) [system] a=end_of_file
   Fail: (219) [system] a=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x563acd73bee0), a, _254470)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _289980)
   Call: (221) [system] peek_char((0x563acd73bee0), _290914)
   Exit: (221) [system] peek_char((0x563acd73bee0), ')')
^  Call: (221) [user] is_delimiter(')')
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] arg(_295634, v('(', ')', end_of_file), ')')
   Exit: (222) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (221) [user] is_delimiter(')')
   Call: (221) [system] _289980=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (220) [user] classify_and_convert_charseq([a], _254470)
^  Call: (221) [user] classify_and_convert_charseq_([a], _302070)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_303022, _303024), once(user:catch(read_from_chars([a], _302070), _303004, fail)), '$restore_trace'(_303022, _303024))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_303022, _303024))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _303004, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(a)
   Exit: (222) [system] atomic(a)
^  Exit: (221) [user] classify_and_convert_charseq_([a], a)
   Call: (221) [system] integer(a)
   Fail: (221) [system] integer(a)
   Call: (221) [system] _254470=a
   Exit: (221) [system] a=a
^  Exit: (220) [user] classify_and_convert_charseq([a], a)
^  Exit: (219) [user] read_symbolic(')', (0x563acd73bee0), a, a)
^  Exit: (218) [user] cont_sexpr(')', (0x563acd73bee0), a)
^  Call: (218) [user] read_list(')', (0x563acd73bee0), _315150)
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _317008)
   Exit: (220) [system] peek_char((0x563acd73bee0), ')')
   Call: (220) [system] ')'=(;)
   Fail: (220) [system] ')'=(;)
   Call: (220) [system] ')'=(/)
   Fail: (220) [system] ')'=(/)
^  Call: (220) [user] is_like_space(')')
   Call: (221) [system] char_type(')', 'white')
   Fail: (221) [system] char_type(')', 'white')
   Call: (221) [system] char_type(')', end_of_line)
   Fail: (221) [system] char_type(')', end_of_line)
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] char_type(')', cntrl)
   Fail: (221) [system] char_type(')', cntrl)
^  Fail: (220) [user] is_like_space(')')
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _333018)
   Exit: (219) [system] peek_char((0x563acd73bee0), ')')
   Call: (219) [system] ')'=')'
   Exit: (219) [system] ')'=')'
   Call: (219) [system] get_char((0x563acd73bee0), _336808)
   Exit: (219) [system] get_char((0x563acd73bee0), ')')
   Call: (219) [system] _315150=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_list(')', (0x563acd73bee0), [])
   Call: (218) [system] _217810=[a]
   Exit: (218) [system] [a]=[a]
^  Exit: (217) [user] read_list(')', (0x563acd73bee0), [a])
   Call: (217) [system] _88882=[abc, a]
   Exit: (217) [system] [abc, a]=[abc, a]
^  Exit: (216) [user] read_list(')', (0x563acd73bee0), [abc, a])
   Call: (216) [system] _5432=['DisjunctionIntroduction', abc, a]
   Exit: (216) [system] ['DisjunctionIntroduction', abc, a]=['DisjunctionIntroduction', abc, a]
^  Exit: (215) [user] read_list(')', (0x563acd73bee0), ['DisjunctionIntroduction', abc, a])
^  Exit: (214) [user] cont_sexpr(')', (0x563acd73bee0), ['DisjunctionIntroduction', abc, a])
^  Call: (214) [user] read_list(')', (0x563acd73bee0), _350690)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _352548)
   Exit: (216) [system] peek_char((0x563acd73bee0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x563acd73bee0), _362142)
   Exit: (216) [system] get_char((0x563acd73bee0), ' ')
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _364846)
   Exit: (217) [system] peek_char((0x563acd73bee0), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
   Call: (217) [system] '('=(/)
   Fail: (217) [system] '('=(/)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _381780)
   Exit: (215) [system] peek_char((0x563acd73bee0), '(')
   Call: (215) [system] '('=')'
   Fail: (215) [system] '('=')'
   Call: (215) [system] '('=end_of_file
   Fail: (215) [system] '('=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x563acd73bee0), _387350)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _389208)
   Exit: (217) [system] peek_char((0x563acd73bee0), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
   Call: (217) [system] '('=(/)
   Fail: (217) [system] '('=(/)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] get_char((0x563acd73bee0), _405218)
   Exit: (216) [system] get_char((0x563acd73bee0), '(')
   Call: (216) [system] '('='('
   Exit: (216) [system] '('='('
^  Call: (216) [user] read_list(')', (0x563acd73bee0), _387350)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _410788)
   Exit: (218) [system] peek_char((0x563acd73bee0), 'O')
   Call: (218) [system] 'O'=(;)
   Fail: (218) [system] 'O'=(;)
   Call: (218) [system] 'O'=(/)
   Fail: (218) [system] 'O'=(/)
^  Call: (218) [user] is_like_space('O')
   Call: (219) [system] char_type('O', 'white')
   Fail: (219) [system] char_type('O', 'white')
   Call: (219) [system] char_type('O', end_of_line)
   Fail: (219) [system] char_type('O', end_of_line)
   Call: (219) [system] char_type('O', space)
   Fail: (219) [system] char_type('O', space)
   Call: (219) [system] char_type('O', cntrl)
   Fail: (219) [system] char_type('O', cntrl)
^  Fail: (218) [user] is_like_space('O')
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _426798)
   Exit: (217) [system] peek_char((0x563acd73bee0), 'O')
   Call: (217) [system] 'O'=')'
   Fail: (217) [system] 'O'=')'
   Call: (217) [system] 'O'=end_of_file
   Fail: (217) [system] 'O'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x563acd73bee0), _432368)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _434226)
   Exit: (219) [system] peek_char((0x563acd73bee0), 'O')
   Call: (219) [system] 'O'=(;)
   Fail: (219) [system] 'O'=(;)
   Call: (219) [system] 'O'=(/)
   Fail: (219) [system] 'O'=(/)
^  Call: (219) [user] is_like_space('O')
   Call: (220) [system] char_type('O', 'white')
   Fail: (220) [system] char_type('O', 'white')
   Call: (220) [system] char_type('O', end_of_line)
   Fail: (220) [system] char_type('O', end_of_line)
   Call: (220) [system] char_type('O', space)
   Fail: (220) [system] char_type('O', space)
   Call: (220) [system] char_type('O', cntrl)
   Fail: (220) [system] char_type('O', cntrl)
^  Fail: (219) [user] is_like_space('O')
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] get_char((0x563acd73bee0), _450236)
   Exit: (218) [system] get_char((0x563acd73bee0), 'O')
   Call: (218) [system] 'O'='('
   Fail: (218) [system] 'O'='('
   Call: (218) [system] 'O'='['
   Fail: (218) [system] 'O'='['
   Call: (218) [system] 'O'='{'
   Fail: (218) [system] 'O'='{'
   Call: (218) [system] 'O'='"'
   Fail: (218) [system] 'O'='"'
   Call: (218) [system] 'O'=!
   Fail: (218) [system] 'O'=!
   Call: (218) [system] 'O'='\''
   Fail: (218) [system] 'O'='\''
   Call: (218) [system] 'O'='`'
   Fail: (218) [system] 'O'='`'
   Call: (218) [system] 'O'=end_of_file
   Fail: (218) [system] 'O'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x563acd73bee0), 'O', _432368)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _467878)
   Call: (220) [system] peek_char((0x563acd73bee0), _468812)
   Exit: (220) [system] peek_char((0x563acd73bee0), r)
^  Call: (220) [user] is_delimiter(r)
   Call: (221) [system] char_type(r, space)
   Fail: (221) [system] char_type(r, space)
   Call: (221) [system] arg(_473532, v('(', ')', end_of_file), r)
   Fail: (221) [system] arg(_474464, v('(', ')', end_of_file), r)
^  Fail: (220) [user] is_delimiter(r)
   Call: (220) [system] ')'==r
   Fail: (220) [system] ')'==r
   Call: (220) [system] get_char((0x563acd73bee0), r)
   Exit: (220) [system] get_char((0x563acd73bee0), r)
   Call: (220) [system] r=(\)
   Fail: (220) [system] r=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _481814)
   Call: (221) [system] peek_char((0x563acd73bee0), _482748)
   Exit: (221) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (221) [user] is_delimiter('L')
   Call: (222) [system] char_type('L', space)
   Fail: (222) [system] char_type('L', space)
   Call: (222) [system] arg(_487468, v('(', ')', end_of_file), 'L')
   Fail: (222) [system] arg(_488400, v('(', ')', end_of_file), 'L')
^  Fail: (221) [user] is_delimiter('L')
   Call: (221) [system] ')'=='L'
   Fail: (221) [system] ')'=='L'
   Call: (221) [system] get_char((0x563acd73bee0), 'L')
   Exit: (221) [system] get_char((0x563acd73bee0), 'L')
   Call: (221) [system] 'L'=(\)
   Fail: (221) [system] 'L'=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _495750)
   Call: (222) [system] peek_char((0x563acd73bee0), _496684)
   Exit: (222) [system] peek_char((0x563acd73bee0), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_501404, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_502336, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x563acd73bee0), i)
   Exit: (222) [system] get_char((0x563acd73bee0), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _509686)
   Call: (223) [system] peek_char((0x563acd73bee0), _510620)
   Exit: (223) [system] peek_char((0x563acd73bee0), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_515340, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_516272, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x563acd73bee0), n)
   Exit: (223) [system] get_char((0x563acd73bee0), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _523622)
   Call: (224) [system] peek_char((0x563acd73bee0), _524556)
   Exit: (224) [system] peek_char((0x563acd73bee0), k)
^  Call: (224) [user] is_delimiter(k)
   Call: (225) [system] char_type(k, space)
   Fail: (225) [system] char_type(k, space)
   Call: (225) [system] arg(_529276, v('(', ')', end_of_file), k)
   Fail: (225) [system] arg(_530208, v('(', ')', end_of_file), k)
^  Fail: (224) [user] is_delimiter(k)
   Call: (224) [system] ')'==k
   Fail: (224) [system] ')'==k
   Call: (224) [system] get_char((0x563acd73bee0), k)
   Exit: (224) [system] get_char((0x563acd73bee0), k)
   Call: (224) [system] k=(\)
   Fail: (224) [system] k=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _537558)
   Call: (225) [system] peek_char((0x563acd73bee0), _538492)
   Exit: (225) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _537558=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (224) [system] _523622=[k]
   Exit: (224) [system] [k]=[k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (223) [system] _509686=[n, k]
   Exit: (223) [system] [n, k]=[n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (222) [system] _495750=[i, n, k]
   Exit: (222) [system] [i, n, k]=[i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (221) [system] _481814=['L', i, n, k]
   Exit: (221) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (220) [system] _467878=[r, 'L', i, n, k]
   Exit: (220) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (219) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _432368)
^  Call: (220) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _561746)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_562698, _562700), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _561746), _562680, fail)), '$restore_trace'(_562698, _562700))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_562698, _562700))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _561746), _562680, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_561746)
   Fail: (221) [system] atomic(_561746)
   Call: (221) [system] atom_chars(_561746, ['O', r, 'L', i, n, k])
   Exit: (221) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (220) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (220) [system] integer('OrLink')
   Fail: (220) [system] integer('OrLink')
   Call: (220) [system] _432368='OrLink'
   Exit: (220) [system] 'OrLink'='OrLink'
^  Exit: (219) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (218) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (217) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (217) [user] read_list(')', (0x563acd73bee0), _576696)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _578554)
   Exit: (219) [system] peek_char((0x563acd73bee0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x563acd73bee0), _588148)
   Exit: (219) [system] get_char((0x563acd73bee0), ' ')
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _590852)
   Exit: (220) [system] peek_char((0x563acd73bee0), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _607786)
   Exit: (218) [system] peek_char((0x563acd73bee0), '(')
   Call: (218) [system] '('=')'
   Fail: (218) [system] '('=')'
   Call: (218) [system] '('=end_of_file
   Fail: (218) [system] '('=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x563acd73bee0), _613356)
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _615214)
   Exit: (220) [system] peek_char((0x563acd73bee0), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] get_char((0x563acd73bee0), _631224)
   Exit: (219) [system] get_char((0x563acd73bee0), '(')
   Call: (219) [system] '('='('
   Exit: (219) [system] '('='('
^  Call: (219) [user] read_list(')', (0x563acd73bee0), _613356)
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _636794)
   Exit: (221) [system] peek_char((0x563acd73bee0), 'I')
   Call: (221) [system] 'I'=(;)
   Fail: (221) [system] 'I'=(;)
   Call: (221) [system] 'I'=(/)
   Fail: (221) [system] 'I'=(/)
^  Call: (221) [user] is_like_space('I')
   Call: (222) [system] char_type('I', 'white')
   Fail: (222) [system] char_type('I', 'white')
   Call: (222) [system] char_type('I', end_of_line)
   Fail: (222) [system] char_type('I', end_of_line)
   Call: (222) [system] char_type('I', space)
   Fail: (222) [system] char_type('I', space)
   Call: (222) [system] char_type('I', cntrl)
   Fail: (222) [system] char_type('I', cntrl)
^  Fail: (221) [user] is_like_space('I')
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _652804)
   Exit: (220) [system] peek_char((0x563acd73bee0), 'I')
   Call: (220) [system] 'I'=')'
   Fail: (220) [system] 'I'=')'
   Call: (220) [system] 'I'=end_of_file
   Fail: (220) [system] 'I'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x563acd73bee0), _658374)
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _660232)
   Exit: (222) [system] peek_char((0x563acd73bee0), 'I')
   Call: (222) [system] 'I'=(;)
   Fail: (222) [system] 'I'=(;)
   Call: (222) [system] 'I'=(/)
   Fail: (222) [system] 'I'=(/)
^  Call: (222) [user] is_like_space('I')
   Call: (223) [system] char_type('I', 'white')
   Fail: (223) [system] char_type('I', 'white')
   Call: (223) [system] char_type('I', end_of_line)
   Fail: (223) [system] char_type('I', end_of_line)
   Call: (223) [system] char_type('I', space)
   Fail: (223) [system] char_type('I', space)
   Call: (223) [system] char_type('I', cntrl)
   Fail: (223) [system] char_type('I', cntrl)
^  Fail: (222) [user] is_like_space('I')
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] get_char((0x563acd73bee0), _676242)
   Exit: (221) [system] get_char((0x563acd73bee0), 'I')
   Call: (221) [system] 'I'='('
   Fail: (221) [system] 'I'='('
   Call: (221) [system] 'I'='['
   Fail: (221) [system] 'I'='['
   Call: (221) [system] 'I'='{'
   Fail: (221) [system] 'I'='{'
   Call: (221) [system] 'I'='"'
   Fail: (221) [system] 'I'='"'
   Call: (221) [system] 'I'=!
   Fail: (221) [system] 'I'=!
   Call: (221) [system] 'I'='\''
   Fail: (221) [system] 'I'='\''
   Call: (221) [system] 'I'='`'
   Fail: (221) [system] 'I'='`'
   Call: (221) [system] 'I'=end_of_file
   Fail: (221) [system] 'I'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x563acd73bee0), 'I', _658374)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _693884)
   Call: (223) [system] peek_char((0x563acd73bee0), _694818)
   Exit: (223) [system] peek_char((0x563acd73bee0), m)
^  Call: (223) [user] is_delimiter(m)
   Call: (224) [system] char_type(m, space)
   Fail: (224) [system] char_type(m, space)
   Call: (224) [system] arg(_699538, v('(', ')', end_of_file), m)
   Fail: (224) [system] arg(_700470, v('(', ')', end_of_file), m)
^  Fail: (223) [user] is_delimiter(m)
   Call: (223) [system] ')'==m
   Fail: (223) [system] ')'==m
   Call: (223) [system] get_char((0x563acd73bee0), m)
   Exit: (223) [system] get_char((0x563acd73bee0), m)
   Call: (223) [system] m=(\)
   Fail: (223) [system] m=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _707820)
   Call: (224) [system] peek_char((0x563acd73bee0), _708754)
   Exit: (224) [system] peek_char((0x563acd73bee0), p)
^  Call: (224) [user] is_delimiter(p)
   Call: (225) [system] char_type(p, space)
   Fail: (225) [system] char_type(p, space)
   Call: (225) [system] arg(_713474, v('(', ')', end_of_file), p)
   Fail: (225) [system] arg(_714406, v('(', ')', end_of_file), p)
^  Fail: (224) [user] is_delimiter(p)
   Call: (224) [system] ')'==p
   Fail: (224) [system] ')'==p
   Call: (224) [system] get_char((0x563acd73bee0), p)
   Exit: (224) [system] get_char((0x563acd73bee0), p)
   Call: (224) [system] p=(\)
   Fail: (224) [system] p=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _721756)
   Call: (225) [system] peek_char((0x563acd73bee0), _722690)
   Exit: (225) [system] peek_char((0x563acd73bee0), l)
^  Call: (225) [user] is_delimiter(l)
   Call: (226) [system] char_type(l, space)
   Fail: (226) [system] char_type(l, space)
   Call: (226) [system] arg(_727410, v('(', ')', end_of_file), l)
   Fail: (226) [system] arg(_728342, v('(', ')', end_of_file), l)
^  Fail: (225) [user] is_delimiter(l)
   Call: (225) [system] ')'==l
   Fail: (225) [system] ')'==l
   Call: (225) [system] get_char((0x563acd73bee0), l)
   Exit: (225) [system] get_char((0x563acd73bee0), l)
   Call: (225) [system] l=(\)
   Fail: (225) [system] l=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _735692)
   Call: (226) [system] peek_char((0x563acd73bee0), _736626)
   Exit: (226) [system] peek_char((0x563acd73bee0), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Fail: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_741346, v('(', ')', end_of_file), i)
   Fail: (227) [system] arg(_742278, v('(', ')', end_of_file), i)
^  Fail: (226) [user] is_delimiter(i)
   Call: (226) [system] ')'==i
   Fail: (226) [system] ')'==i
   Call: (226) [system] get_char((0x563acd73bee0), i)
   Exit: (226) [system] get_char((0x563acd73bee0), i)
   Call: (226) [system] i=(\)
   Fail: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _749628)
   Call: (227) [system] peek_char((0x563acd73bee0), _750562)
   Exit: (227) [system] peek_char((0x563acd73bee0), c)
^  Call: (227) [user] is_delimiter(c)
   Call: (228) [system] char_type(c, space)
   Fail: (228) [system] char_type(c, space)
   Call: (228) [system] arg(_755282, v('(', ')', end_of_file), c)
   Fail: (228) [system] arg(_756214, v('(', ')', end_of_file), c)
^  Fail: (227) [user] is_delimiter(c)
   Call: (227) [system] ')'==c
   Fail: (227) [system] ')'==c
   Call: (227) [system] get_char((0x563acd73bee0), c)
   Exit: (227) [system] get_char((0x563acd73bee0), c)
   Call: (227) [system] c=(\)
   Fail: (227) [system] c=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _763564)
   Call: (228) [system] peek_char((0x563acd73bee0), _764498)
   Exit: (228) [system] peek_char((0x563acd73bee0), a)
^  Call: (228) [user] is_delimiter(a)
   Call: (229) [system] char_type(a, space)
   Fail: (229) [system] char_type(a, space)
   Call: (229) [system] arg(_769218, v('(', ')', end_of_file), a)
   Fail: (229) [system] arg(_770150, v('(', ')', end_of_file), a)
^  Fail: (228) [user] is_delimiter(a)
   Call: (228) [system] ')'==a
   Fail: (228) [system] ')'==a
   Call: (228) [system] get_char((0x563acd73bee0), a)
   Exit: (228) [system] get_char((0x563acd73bee0), a)
   Call: (228) [system] a=(\)
   Fail: (228) [system] a=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _777500)
   Call: (229) [system] peek_char((0x563acd73bee0), _778434)
   Exit: (229) [system] peek_char((0x563acd73bee0), t)
^  Call: (229) [user] is_delimiter(t)
   Call: (230) [system] char_type(t, space)
   Fail: (230) [system] char_type(t, space)
   Call: (230) [system] arg(_783154, v('(', ')', end_of_file), t)
   Fail: (230) [system] arg(_784086, v('(', ')', end_of_file), t)
^  Fail: (229) [user] is_delimiter(t)
   Call: (229) [system] ')'==t
   Fail: (229) [system] ')'==t
   Call: (229) [system] get_char((0x563acd73bee0), t)
   Exit: (229) [system] get_char((0x563acd73bee0), t)
   Call: (229) [system] t=(\)
   Fail: (229) [system] t=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _791436)
   Call: (230) [system] peek_char((0x563acd73bee0), _792370)
   Exit: (230) [system] peek_char((0x563acd73bee0), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Fail: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_797090, v('(', ')', end_of_file), i)
   Fail: (231) [system] arg(_798022, v('(', ')', end_of_file), i)
^  Fail: (230) [user] is_delimiter(i)
   Call: (230) [system] ')'==i
   Fail: (230) [system] ')'==i
   Call: (230) [system] get_char((0x563acd73bee0), i)
   Exit: (230) [system] get_char((0x563acd73bee0), i)
   Call: (230) [system] i=(\)
   Fail: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _805372)
   Call: (231) [system] peek_char((0x563acd73bee0), _806306)
   Exit: (231) [system] peek_char((0x563acd73bee0), o)
^  Call: (231) [user] is_delimiter(o)
   Call: (232) [system] char_type(o, space)
   Fail: (232) [system] char_type(o, space)
   Call: (232) [system] arg(_811026, v('(', ')', end_of_file), o)
   Fail: (232) [system] arg(_811958, v('(', ')', end_of_file), o)
^  Fail: (231) [user] is_delimiter(o)
   Call: (231) [system] ')'==o
   Fail: (231) [system] ')'==o
   Call: (231) [system] get_char((0x563acd73bee0), o)
   Exit: (231) [system] get_char((0x563acd73bee0), o)
   Call: (231) [system] o=(\)
   Fail: (231) [system] o=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _819308)
   Call: (232) [system] peek_char((0x563acd73bee0), _820242)
   Exit: (232) [system] peek_char((0x563acd73bee0), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Fail: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_824962, v('(', ')', end_of_file), n)
   Fail: (233) [system] arg(_825894, v('(', ')', end_of_file), n)
^  Fail: (232) [user] is_delimiter(n)
   Call: (232) [system] ')'==n
   Fail: (232) [system] ')'==n
   Call: (232) [system] get_char((0x563acd73bee0), n)
   Exit: (232) [system] get_char((0x563acd73bee0), n)
   Call: (232) [system] n=(\)
   Fail: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _833244)
   Call: (233) [system] peek_char((0x563acd73bee0), _834178)
   Exit: (233) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _833244=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (232) [system] _819308=[n]
   Exit: (232) [system] [n]=[n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (231) [system] _805372=[o, n]
   Exit: (231) [system] [o, n]=[o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (230) [system] _791436=[i, o, n]
   Exit: (230) [system] [i, o, n]=[i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (229) [system] _777500=[t, i, o, n]
   Exit: (229) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (228) [system] _763564=[a, t, i, o, n]
   Exit: (228) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (227) [system] _749628=[c, a, t, i, o, n]
   Exit: (227) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (226) [system] _735692=[i, c, a, t, i, o, n]
   Exit: (226) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (225) [system] _721756=[l, i, c, a, t, i, o, n]
   Exit: (225) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (224) [system] _707820=[p, l, i, c, a, t, i, o, n]
   Exit: (224) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (223) [system] _693884=[m, p, l, i, c, a, t, i, o, n]
   Exit: (223) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (222) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _658374)
^  Call: (223) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _871402)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_872354, _872356), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _871402), _872336, fail)), '$restore_trace'(_872354, _872356))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_872354, _872356))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _871402), _872336, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_871402)
   Fail: (224) [system] atomic(_871402)
   Call: (224) [system] atom_chars(_871402, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (224) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (223) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (223) [system] integer('Implication')
   Fail: (223) [system] integer('Implication')
   Call: (223) [system] _658374='Implication'
   Exit: (223) [system] 'Implication'='Implication'
^  Exit: (222) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (221) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (220) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (220) [user] read_list(')', (0x563acd73bee0), _886352)
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _888210)
   Exit: (222) [system] peek_char((0x563acd73bee0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x563acd73bee0), _897804)
   Exit: (222) [system] get_char((0x563acd73bee0), ' ')
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _900508)
   Exit: (223) [system] peek_char((0x563acd73bee0), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
   Call: (223) [system] '('=(/)
   Fail: (223) [system] '('=(/)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _917442)
   Exit: (221) [system] peek_char((0x563acd73bee0), '(')
   Call: (221) [system] '('=')'
   Fail: (221) [system] '('=')'
   Call: (221) [system] '('=end_of_file
   Fail: (221) [system] '('=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x563acd73bee0), _923012)
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _924870)
   Exit: (223) [system] peek_char((0x563acd73bee0), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
   Call: (223) [system] '('=(/)
   Fail: (223) [system] '('=(/)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] get_char((0x563acd73bee0), _940880)
   Exit: (222) [system] get_char((0x563acd73bee0), '(')
   Call: (222) [system] '('='('
   Exit: (222) [system] '('='('
^  Call: (222) [user] read_list(')', (0x563acd73bee0), _923012)
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _946450)
   Exit: (224) [system] peek_char((0x563acd73bee0), 'A')
   Call: (224) [system] 'A'=(;)
   Fail: (224) [system] 'A'=(;)
   Call: (224) [system] 'A'=(/)
   Fail: (224) [system] 'A'=(/)
^  Call: (224) [user] is_like_space('A')
   Call: (225) [system] char_type('A', 'white')
   Fail: (225) [system] char_type('A', 'white')
   Call: (225) [system] char_type('A', end_of_line)
   Fail: (225) [system] char_type('A', end_of_line)
   Call: (225) [system] char_type('A', space)
   Fail: (225) [system] char_type('A', space)
   Call: (225) [system] char_type('A', cntrl)
   Fail: (225) [system] char_type('A', cntrl)
^  Fail: (224) [user] is_like_space('A')
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _962460)
   Exit: (223) [system] peek_char((0x563acd73bee0), 'A')
   Call: (223) [system] 'A'=')'
   Fail: (223) [system] 'A'=')'
   Call: (223) [system] 'A'=end_of_file
   Fail: (223) [system] 'A'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x563acd73bee0), _968030)
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _969888)
   Exit: (225) [system] peek_char((0x563acd73bee0), 'A')
   Call: (225) [system] 'A'=(;)
   Fail: (225) [system] 'A'=(;)
   Call: (225) [system] 'A'=(/)
   Fail: (225) [system] 'A'=(/)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Fail: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Fail: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Fail: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
   Fail: (226) [system] char_type('A', cntrl)
^  Fail: (225) [user] is_like_space('A')
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] get_char((0x563acd73bee0), _985898)
   Exit: (224) [system] get_char((0x563acd73bee0), 'A')
   Call: (224) [system] 'A'='('
   Fail: (224) [system] 'A'='('
   Call: (224) [system] 'A'='['
   Fail: (224) [system] 'A'='['
   Call: (224) [system] 'A'='{'
   Fail: (224) [system] 'A'='{'
   Call: (224) [system] 'A'='"'
   Fail: (224) [system] 'A'='"'
   Call: (224) [system] 'A'=!
   Fail: (224) [system] 'A'=!
   Call: (224) [system] 'A'='\''
   Fail: (224) [system] 'A'='\''
   Call: (224) [system] 'A'='`'
   Fail: (224) [system] 'A'='`'
   Call: (224) [system] 'A'=end_of_file
   Fail: (224) [system] 'A'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x563acd73bee0), 'A', _968030)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _1003540)
   Call: (226) [system] peek_char((0x563acd73bee0), _1004474)
   Exit: (226) [system] peek_char((0x563acd73bee0), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_1009194, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_1010126, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x563acd73bee0), n)
   Exit: (226) [system] get_char((0x563acd73bee0), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _1017476)
   Call: (227) [system] peek_char((0x563acd73bee0), _1018410)
   Exit: (227) [system] peek_char((0x563acd73bee0), d)
^  Call: (227) [user] is_delimiter(d)
   Call: (228) [system] char_type(d, space)
   Fail: (228) [system] char_type(d, space)
   Call: (228) [system] arg(_1023130, v('(', ')', end_of_file), d)
   Fail: (228) [system] arg(_1024062, v('(', ')', end_of_file), d)
^  Fail: (227) [user] is_delimiter(d)
   Call: (227) [system] ')'==d
   Fail: (227) [system] ')'==d
   Call: (227) [system] get_char((0x563acd73bee0), d)
   Exit: (227) [system] get_char((0x563acd73bee0), d)
   Call: (227) [system] d=(\)
   Fail: (227) [system] d=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _1031412)
   Call: (228) [system] peek_char((0x563acd73bee0), _1032346)
   Exit: (228) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (228) [user] is_delimiter('L')
   Call: (229) [system] char_type('L', space)
   Fail: (229) [system] char_type('L', space)
   Call: (229) [system] arg(_1037066, v('(', ')', end_of_file), 'L')
   Fail: (229) [system] arg(_1037998, v('(', ')', end_of_file), 'L')
^  Fail: (228) [user] is_delimiter('L')
   Call: (228) [system] ')'=='L'
   Fail: (228) [system] ')'=='L'
   Call: (228) [system] get_char((0x563acd73bee0), 'L')
   Exit: (228) [system] get_char((0x563acd73bee0), 'L')
   Call: (228) [system] 'L'=(\)
   Fail: (228) [system] 'L'=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _1045348)
   Call: (229) [system] peek_char((0x563acd73bee0), _1046282)
   Exit: (229) [system] peek_char((0x563acd73bee0), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_1051002, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_1051934, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x563acd73bee0), i)
   Exit: (229) [system] get_char((0x563acd73bee0), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _1059284)
   Call: (230) [system] peek_char((0x563acd73bee0), _1060218)
   Exit: (230) [system] peek_char((0x563acd73bee0), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_1064938, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_1065870, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x563acd73bee0), n)
   Exit: (230) [system] get_char((0x563acd73bee0), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _1073220)
   Call: (231) [system] peek_char((0x563acd73bee0), _1074154)
   Exit: (231) [system] peek_char((0x563acd73bee0), k)
^  Call: (231) [user] is_delimiter(k)
   Call: (232) [system] char_type(k, space)
   Fail: (232) [system] char_type(k, space)
   Call: (232) [system] arg(_1078874, v('(', ')', end_of_file), k)
   Fail: (232) [system] arg(_1079806, v('(', ')', end_of_file), k)
^  Fail: (231) [user] is_delimiter(k)
   Call: (231) [system] ')'==k
   Fail: (231) [system] ')'==k
   Call: (231) [system] get_char((0x563acd73bee0), k)
   Exit: (231) [system] get_char((0x563acd73bee0), k)
   Call: (231) [system] k=(\)
   Fail: (231) [system] k=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _1087156)
   Call: (232) [system] peek_char((0x563acd73bee0), _1088090)
   Exit: (232) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _1087156=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (231) [system] _1073220=[k]
   Exit: (231) [system] [k]=[k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (230) [system] _1059284=[n, k]
   Exit: (230) [system] [n, k]=[n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (229) [system] _1045348=[i, n, k]
   Exit: (229) [system] [i, n, k]=[i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (228) [system] _1031412=['L', i, n, k]
   Exit: (228) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (227) [system] _1017476=[d, 'L', i, n, k]
   Exit: (227) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, 'L', i, n, k])
   Call: (226) [system] _1003540=[n, d, 'L', i, n, k]
   Exit: (226) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, d, 'L', i, n, k])
^  Call: (225) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _968030)
^  Call: (226) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1114138)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_1115090, _1115092), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1114138), _1115072, fail)), '$restore_trace'(_1115090, _1115092))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_1115090, _1115092))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1114138), _1115072, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_1114138)
   Fail: (227) [system] atomic(_1114138)
   Call: (227) [system] atom_chars(_1114138, ['A', n, d, 'L', i, n, k])
   Exit: (227) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (226) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (226) [system] integer('AndLink')
   Fail: (226) [system] integer('AndLink')
   Call: (226) [system] _968030='AndLink'
   Exit: (226) [system] 'AndLink'='AndLink'
^  Exit: (225) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (224) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'AndLink')
^  Exit: (223) [user] cont_sexpr(')', (0x563acd73bee0), 'AndLink')
^  Call: (223) [user] read_list(')', (0x563acd73bee0), _1129088)
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _1130946)
   Exit: (225) [system] peek_char((0x563acd73bee0), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x563acd73bee0), _1140540)
   Exit: (225) [system] get_char((0x563acd73bee0), ' ')
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _1143244)
   Exit: (226) [system] peek_char((0x563acd73bee0), 'A')
   Call: (226) [system] 'A'=(;)
   Fail: (226) [system] 'A'=(;)
   Call: (226) [system] 'A'=(/)
   Fail: (226) [system] 'A'=(/)
^  Call: (226) [user] is_like_space('A')
   Call: (227) [system] char_type('A', 'white')
   Fail: (227) [system] char_type('A', 'white')
   Call: (227) [system] char_type('A', end_of_line)
   Fail: (227) [system] char_type('A', end_of_line)
   Call: (227) [system] char_type('A', space)
   Fail: (227) [system] char_type('A', space)
   Call: (227) [system] char_type('A', cntrl)
   Fail: (227) [system] char_type('A', cntrl)
^  Fail: (226) [user] is_like_space('A')
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _1160178)
   Exit: (224) [system] peek_char((0x563acd73bee0), 'A')
   Call: (224) [system] 'A'=')'
   Fail: (224) [system] 'A'=')'
   Call: (224) [system] 'A'=end_of_file
   Fail: (224) [system] 'A'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x563acd73bee0), _1165748)
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _1167606)
   Exit: (226) [system] peek_char((0x563acd73bee0), 'A')
   Call: (226) [system] 'A'=(;)
   Fail: (226) [system] 'A'=(;)
   Call: (226) [system] 'A'=(/)
   Fail: (226) [system] 'A'=(/)
^  Call: (226) [user] is_like_space('A')
   Call: (227) [system] char_type('A', 'white')
   Fail: (227) [system] char_type('A', 'white')
   Call: (227) [system] char_type('A', end_of_line)
   Fail: (227) [system] char_type('A', end_of_line)
   Call: (227) [system] char_type('A', space)
   Fail: (227) [system] char_type('A', space)
   Call: (227) [system] char_type('A', cntrl)
   Fail: (227) [system] char_type('A', cntrl)
^  Fail: (226) [user] is_like_space('A')
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] get_char((0x563acd73bee0), _1183616)
   Exit: (225) [system] get_char((0x563acd73bee0), 'A')
   Call: (225) [system] 'A'='('
   Fail: (225) [system] 'A'='('
   Call: (225) [system] 'A'='['
   Fail: (225) [system] 'A'='['
   Call: (225) [system] 'A'='{'
   Fail: (225) [system] 'A'='{'
   Call: (225) [system] 'A'='"'
   Fail: (225) [system] 'A'='"'
   Call: (225) [system] 'A'=!
   Fail: (225) [system] 'A'=!
   Call: (225) [system] 'A'='\''
   Fail: (225) [system] 'A'='\''
   Call: (225) [system] 'A'='`'
   Fail: (225) [system] 'A'='`'
   Call: (225) [system] 'A'=end_of_file
   Fail: (225) [system] 'A'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x563acd73bee0), 'A', _1165748)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _1201258)
   Call: (227) [system] peek_char((0x563acd73bee0), _1202192)
   Exit: (227) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _1201258=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (226) [user] classify_and_convert_charseq(['A'], _1165748)
^  Call: (227) [user] classify_and_convert_charseq_(['A'], _1211476)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1212428, _1212430), once(user:catch(read_from_chars(['A'], _1211476), _1212410, fail)), '$restore_trace'(_1212428, _1212430))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1212428, _1212430))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1211476), _1212410, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_1211476)
   Fail: (228) [system] atomic(_1211476)
   Call: (228) [system] atom_chars(_1211476, ['A'])
   Exit: (228) [system] atom_chars('A', ['A'])
^  Exit: (227) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (227) [system] integer('A')
   Fail: (227) [system] integer('A')
   Call: (227) [system] _1165748='A'
   Exit: (227) [system] 'A'='A'
^  Exit: (226) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (225) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (224) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (224) [user] read_list(')', (0x563acd73bee0), _1226426)
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _1228284)
   Exit: (226) [system] peek_char((0x563acd73bee0), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x563acd73bee0), _1237878)
   Exit: (226) [system] get_char((0x563acd73bee0), ' ')
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _1240582)
   Exit: (227) [system] peek_char((0x563acd73bee0), 'B')
   Call: (227) [system] 'B'=(;)
   Fail: (227) [system] 'B'=(;)
   Call: (227) [system] 'B'=(/)
   Fail: (227) [system] 'B'=(/)
^  Call: (227) [user] is_like_space('B')
   Call: (228) [system] char_type('B', 'white')
   Fail: (228) [system] char_type('B', 'white')
   Call: (228) [system] char_type('B', end_of_line)
   Fail: (228) [system] char_type('B', end_of_line)
   Call: (228) [system] char_type('B', space)
   Fail: (228) [system] char_type('B', space)
   Call: (228) [system] char_type('B', cntrl)
   Fail: (228) [system] char_type('B', cntrl)
^  Fail: (227) [user] is_like_space('B')
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _1257516)
   Exit: (225) [system] peek_char((0x563acd73bee0), 'B')
   Call: (225) [system] 'B'=')'
   Fail: (225) [system] 'B'=')'
   Call: (225) [system] 'B'=end_of_file
   Fail: (225) [system] 'B'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x563acd73bee0), _1263086)
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _1264944)
   Exit: (227) [system] peek_char((0x563acd73bee0), 'B')
   Call: (227) [system] 'B'=(;)
   Fail: (227) [system] 'B'=(;)
   Call: (227) [system] 'B'=(/)
   Fail: (227) [system] 'B'=(/)
^  Call: (227) [user] is_like_space('B')
   Call: (228) [system] char_type('B', 'white')
   Fail: (228) [system] char_type('B', 'white')
   Call: (228) [system] char_type('B', end_of_line)
   Fail: (228) [system] char_type('B', end_of_line)
   Call: (228) [system] char_type('B', space)
   Fail: (228) [system] char_type('B', space)
   Call: (228) [system] char_type('B', cntrl)
   Fail: (228) [system] char_type('B', cntrl)
^  Fail: (227) [user] is_like_space('B')
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] get_char((0x563acd73bee0), _1280954)
   Exit: (226) [system] get_char((0x563acd73bee0), 'B')
   Call: (226) [system] 'B'='('
   Fail: (226) [system] 'B'='('
   Call: (226) [system] 'B'='['
   Fail: (226) [system] 'B'='['
   Call: (226) [system] 'B'='{'
   Fail: (226) [system] 'B'='{'
   Call: (226) [system] 'B'='"'
   Fail: (226) [system] 'B'='"'
   Call: (226) [system] 'B'=!
   Fail: (226) [system] 'B'=!
   Call: (226) [system] 'B'='\''
   Fail: (226) [system] 'B'='\''
   Call: (226) [system] 'B'='`'
   Fail: (226) [system] 'B'='`'
   Call: (226) [system] 'B'=end_of_file
   Fail: (226) [system] 'B'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x563acd73bee0), 'B', _1263086)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _1298596)
   Call: (228) [system] peek_char((0x563acd73bee0), _1299530)
   Exit: (228) [system] peek_char((0x563acd73bee0), ')')
^  Call: (228) [user] is_delimiter(')')
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] arg(_1304250, v('(', ')', end_of_file), ')')
   Exit: (229) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (228) [user] is_delimiter(')')
   Call: (228) [system] _1298596=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (227) [user] classify_and_convert_charseq(['B'], _1263086)
^  Call: (228) [user] classify_and_convert_charseq_(['B'], _1310686)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_1311638, _1311640), once(user:catch(read_from_chars(['B'], _1310686), _1311620, fail)), '$restore_trace'(_1311638, _1311640))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_1311638, _1311640))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1310686), _1311620, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_1310686)
   Fail: (229) [system] atomic(_1310686)
   Call: (229) [system] atom_chars(_1310686, ['B'])
   Exit: (229) [system] atom_chars('B', ['B'])
^  Exit: (228) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (228) [system] integer('B')
   Fail: (228) [system] integer('B')
   Call: (228) [system] _1263086='B'
   Exit: (228) [system] 'B'='B'
^  Exit: (227) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (226) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (225) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (225) [user] read_list(')', (0x563acd73bee0), _1325636)
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _1327494)
   Exit: (227) [system] peek_char((0x563acd73bee0), ')')
   Call: (227) [system] ')'=(;)
   Fail: (227) [system] ')'=(;)
   Call: (227) [system] ')'=(/)
   Fail: (227) [system] ')'=(/)
^  Call: (227) [user] is_like_space(')')
   Call: (228) [system] char_type(')', 'white')
   Fail: (228) [system] char_type(')', 'white')
   Call: (228) [system] char_type(')', end_of_line)
   Fail: (228) [system] char_type(')', end_of_line)
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] char_type(')', cntrl)
   Fail: (228) [system] char_type(')', cntrl)
^  Fail: (227) [user] is_like_space(')')
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _1343504)
   Exit: (226) [system] peek_char((0x563acd73bee0), ')')
   Call: (226) [system] ')'=')'
   Exit: (226) [system] ')'=')'
   Call: (226) [system] get_char((0x563acd73bee0), _1347294)
   Exit: (226) [system] get_char((0x563acd73bee0), ')')
   Call: (226) [system] _1325636=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_list(')', (0x563acd73bee0), [])
   Call: (225) [system] _1226426=['B']
   Exit: (225) [system] ['B']=['B']
^  Exit: (224) [user] read_list(')', (0x563acd73bee0), ['B'])
   Call: (224) [system] _1129088=['A', 'B']
   Exit: (224) [system] ['A', 'B']=['A', 'B']
^  Exit: (223) [user] read_list(')', (0x563acd73bee0), ['A', 'B'])
   Call: (223) [system] _923012=['AndLink', 'A', 'B']
   Exit: (223) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (222) [user] read_list(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Exit: (221) [user] cont_sexpr(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Call: (221) [user] read_list(')', (0x563acd73bee0), _1361176)
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _1363034)
   Exit: (223) [system] peek_char((0x563acd73bee0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x563acd73bee0), _1372628)
   Exit: (223) [system] get_char((0x563acd73bee0), ' ')
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _1375332)
   Exit: (224) [system] peek_char((0x563acd73bee0), 'C')
   Call: (224) [system] 'C'=(;)
   Fail: (224) [system] 'C'=(;)
   Call: (224) [system] 'C'=(/)
   Fail: (224) [system] 'C'=(/)
^  Call: (224) [user] is_like_space('C')
   Call: (225) [system] char_type('C', 'white')
   Fail: (225) [system] char_type('C', 'white')
   Call: (225) [system] char_type('C', end_of_line)
   Fail: (225) [system] char_type('C', end_of_line)
   Call: (225) [system] char_type('C', space)
   Fail: (225) [system] char_type('C', space)
   Call: (225) [system] char_type('C', cntrl)
   Fail: (225) [system] char_type('C', cntrl)
^  Fail: (224) [user] is_like_space('C')
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _1392266)
   Exit: (222) [system] peek_char((0x563acd73bee0), 'C')
   Call: (222) [system] 'C'=')'
   Fail: (222) [system] 'C'=')'
   Call: (222) [system] 'C'=end_of_file
   Fail: (222) [system] 'C'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x563acd73bee0), _1397836)
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _1399694)
   Exit: (224) [system] peek_char((0x563acd73bee0), 'C')
   Call: (224) [system] 'C'=(;)
   Fail: (224) [system] 'C'=(;)
   Call: (224) [system] 'C'=(/)
   Fail: (224) [system] 'C'=(/)
^  Call: (224) [user] is_like_space('C')
   Call: (225) [system] char_type('C', 'white')
   Fail: (225) [system] char_type('C', 'white')
   Call: (225) [system] char_type('C', end_of_line)
   Fail: (225) [system] char_type('C', end_of_line)
   Call: (225) [system] char_type('C', space)
   Fail: (225) [system] char_type('C', space)
   Call: (225) [system] char_type('C', cntrl)
   Fail: (225) [system] char_type('C', cntrl)
^  Fail: (224) [user] is_like_space('C')
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] get_char((0x563acd73bee0), _1415704)
   Exit: (223) [system] get_char((0x563acd73bee0), 'C')
   Call: (223) [system] 'C'='('
   Fail: (223) [system] 'C'='('
   Call: (223) [system] 'C'='['
   Fail: (223) [system] 'C'='['
   Call: (223) [system] 'C'='{'
   Fail: (223) [system] 'C'='{'
   Call: (223) [system] 'C'='"'
   Fail: (223) [system] 'C'='"'
   Call: (223) [system] 'C'=!
   Fail: (223) [system] 'C'=!
   Call: (223) [system] 'C'='\''
   Fail: (223) [system] 'C'='\''
   Call: (223) [system] 'C'='`'
   Fail: (223) [system] 'C'='`'
   Call: (223) [system] 'C'=end_of_file
   Fail: (223) [system] 'C'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x563acd73bee0), 'C', _1397836)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _1433346)
   Call: (225) [system] peek_char((0x563acd73bee0), _1434280)
   Exit: (225) [system] peek_char((0x563acd73bee0), ')')
^  Call: (225) [user] is_delimiter(')')
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] arg(_1439000, v('(', ')', end_of_file), ')')
   Exit: (226) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (225) [user] is_delimiter(')')
   Call: (225) [system] _1433346=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (224) [user] classify_and_convert_charseq(['C'], _1397836)
^  Call: (225) [user] classify_and_convert_charseq_(['C'], _1445436)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1446388, _1446390), once(user:catch(read_from_chars(['C'], _1445436), _1446370, fail)), '$restore_trace'(_1446388, _1446390))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1446388, _1446390))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1445436), _1446370, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_1445436)
   Fail: (226) [system] atomic(_1445436)
   Call: (226) [system] atom_chars(_1445436, ['C'])
   Exit: (226) [system] atom_chars('C', ['C'])
^  Exit: (225) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (225) [system] integer('C')
   Fail: (225) [system] integer('C')
   Call: (225) [system] _1397836='C'
   Exit: (225) [system] 'C'='C'
^  Exit: (224) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (223) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (222) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (222) [user] read_list(')', (0x563acd73bee0), _1460386)
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _1462244)
   Exit: (224) [system] peek_char((0x563acd73bee0), ')')
   Call: (224) [system] ')'=(;)
   Fail: (224) [system] ')'=(;)
   Call: (224) [system] ')'=(/)
   Fail: (224) [system] ')'=(/)
^  Call: (224) [user] is_like_space(')')
   Call: (225) [system] char_type(')', 'white')
   Fail: (225) [system] char_type(')', 'white')
   Call: (225) [system] char_type(')', end_of_line)
   Fail: (225) [system] char_type(')', end_of_line)
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] char_type(')', cntrl)
   Fail: (225) [system] char_type(')', cntrl)
^  Fail: (224) [user] is_like_space(')')
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _1478254)
   Exit: (223) [system] peek_char((0x563acd73bee0), ')')
   Call: (223) [system] ')'=')'
   Exit: (223) [system] ')'=')'
   Call: (223) [system] get_char((0x563acd73bee0), _1482044)
   Exit: (223) [system] get_char((0x563acd73bee0), ')')
   Call: (223) [system] _1460386=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_list(')', (0x563acd73bee0), [])
   Call: (222) [system] _1361176=['C']
   Exit: (222) [system] ['C']=['C']
^  Exit: (221) [user] read_list(')', (0x563acd73bee0), ['C'])
   Call: (221) [system] _886352=[['AndLink', 'A', 'B'], 'C']
   Exit: (221) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (220) [user] read_list(')', (0x563acd73bee0), [['AndLink', 'A', 'B'], 'C'])
   Call: (220) [system] _613356=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (220) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (219) [user] read_list(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (218) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (218) [user] read_list(')', (0x563acd73bee0), _1495926)
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _1497784)
   Exit: (220) [system] peek_char((0x563acd73bee0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x563acd73bee0), _1507378)
   Exit: (220) [system] get_char((0x563acd73bee0), ' ')
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _1510082)
   Exit: (221) [system] peek_char((0x563acd73bee0), 'A')
   Call: (221) [system] 'A'=(;)
   Fail: (221) [system] 'A'=(;)
   Call: (221) [system] 'A'=(/)
   Fail: (221) [system] 'A'=(/)
^  Call: (221) [user] is_like_space('A')
   Call: (222) [system] char_type('A', 'white')
   Fail: (222) [system] char_type('A', 'white')
   Call: (222) [system] char_type('A', end_of_line)
   Fail: (222) [system] char_type('A', end_of_line)
   Call: (222) [system] char_type('A', space)
   Fail: (222) [system] char_type('A', space)
   Call: (222) [system] char_type('A', cntrl)
   Fail: (222) [system] char_type('A', cntrl)
^  Fail: (221) [user] is_like_space('A')
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _1527016)
   Exit: (219) [system] peek_char((0x563acd73bee0), 'A')
   Call: (219) [system] 'A'=')'
   Fail: (219) [system] 'A'=')'
   Call: (219) [system] 'A'=end_of_file
   Fail: (219) [system] 'A'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x563acd73bee0), _1532586)
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _1534444)
   Exit: (221) [system] peek_char((0x563acd73bee0), 'A')
   Call: (221) [system] 'A'=(;)
   Fail: (221) [system] 'A'=(;)
   Call: (221) [system] 'A'=(/)
   Fail: (221) [system] 'A'=(/)
^  Call: (221) [user] is_like_space('A')
   Call: (222) [system] char_type('A', 'white')
   Fail: (222) [system] char_type('A', 'white')
   Call: (222) [system] char_type('A', end_of_line)
   Fail: (222) [system] char_type('A', end_of_line)
   Call: (222) [system] char_type('A', space)
   Fail: (222) [system] char_type('A', space)
   Call: (222) [system] char_type('A', cntrl)
   Fail: (222) [system] char_type('A', cntrl)
^  Fail: (221) [user] is_like_space('A')
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] get_char((0x563acd73bee0), _1550454)
   Exit: (220) [system] get_char((0x563acd73bee0), 'A')
   Call: (220) [system] 'A'='('
   Fail: (220) [system] 'A'='('
   Call: (220) [system] 'A'='['
   Fail: (220) [system] 'A'='['
   Call: (220) [system] 'A'='{'
   Fail: (220) [system] 'A'='{'
   Call: (220) [system] 'A'='"'
   Fail: (220) [system] 'A'='"'
   Call: (220) [system] 'A'=!
   Fail: (220) [system] 'A'=!
   Call: (220) [system] 'A'='\''
   Fail: (220) [system] 'A'='\''
   Call: (220) [system] 'A'='`'
   Fail: (220) [system] 'A'='`'
   Call: (220) [system] 'A'=end_of_file
   Fail: (220) [system] 'A'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x563acd73bee0), 'A', _1532586)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _1568096)
   Call: (222) [system] peek_char((0x563acd73bee0), _1569030)
   Exit: (222) [system] peek_char((0x563acd73bee0), ')')
^  Call: (222) [user] is_delimiter(')')
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] arg(_1573750, v('(', ')', end_of_file), ')')
   Exit: (223) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (222) [user] is_delimiter(')')
   Call: (222) [system] _1568096=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (221) [user] classify_and_convert_charseq(['A'], _1532586)
^  Call: (222) [user] classify_and_convert_charseq_(['A'], _1580186)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_1581138, _1581140), once(user:catch(read_from_chars(['A'], _1580186), _1581120, fail)), '$restore_trace'(_1581138, _1581140))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_1581138, _1581140))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1580186), _1581120, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_1580186)
   Fail: (223) [system] atomic(_1580186)
   Call: (223) [system] atom_chars(_1580186, ['A'])
   Exit: (223) [system] atom_chars('A', ['A'])
^  Exit: (222) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (222) [system] integer('A')
   Fail: (222) [system] integer('A')
   Call: (222) [system] _1532586='A'
   Exit: (222) [system] 'A'='A'
^  Exit: (221) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (220) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (219) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (219) [user] read_list(')', (0x563acd73bee0), _1595136)
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _1596994)
   Exit: (221) [system] peek_char((0x563acd73bee0), ')')
   Call: (221) [system] ')'=(;)
   Fail: (221) [system] ')'=(;)
   Call: (221) [system] ')'=(/)
   Fail: (221) [system] ')'=(/)
^  Call: (221) [user] is_like_space(')')
   Call: (222) [system] char_type(')', 'white')
   Fail: (222) [system] char_type(')', 'white')
   Call: (222) [system] char_type(')', end_of_line)
   Fail: (222) [system] char_type(')', end_of_line)
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] char_type(')', cntrl)
   Fail: (222) [system] char_type(')', cntrl)
^  Fail: (221) [user] is_like_space(')')
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _1613004)
   Exit: (220) [system] peek_char((0x563acd73bee0), ')')
   Call: (220) [system] ')'=')'
   Exit: (220) [system] ')'=')'
   Call: (220) [system] get_char((0x563acd73bee0), _1616794)
   Exit: (220) [system] get_char((0x563acd73bee0), ')')
   Call: (220) [system] _1595136=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_list(')', (0x563acd73bee0), [])
   Call: (219) [system] _1495926=['A']
   Exit: (219) [system] ['A']=['A']
^  Exit: (218) [user] read_list(')', (0x563acd73bee0), ['A'])
   Call: (218) [system] _576696=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
   Exit: (218) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
^  Exit: (217) [user] read_list(')', (0x563acd73bee0), [['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
   Call: (217) [system] _387350=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
   Exit: (217) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
^  Exit: (216) [user] read_list(')', (0x563acd73bee0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
^  Exit: (215) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
^  Call: (215) [user] read_list(')', (0x563acd73bee0), _1630676)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1632534)
   Exit: (217) [system] peek_char((0x563acd73bee0), ')')
   Call: (217) [system] ')'=(;)
   Fail: (217) [system] ')'=(;)
   Call: (217) [system] ')'=(/)
   Fail: (217) [system] ')'=(/)
^  Call: (217) [user] is_like_space(')')
   Call: (218) [system] char_type(')', 'white')
   Fail: (218) [system] char_type(')', 'white')
   Call: (218) [system] char_type(')', end_of_line)
   Fail: (218) [system] char_type(')', end_of_line)
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] char_type(')', cntrl)
   Fail: (218) [system] char_type(')', cntrl)
^  Fail: (217) [user] is_like_space(')')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1648544)
   Exit: (216) [system] peek_char((0x563acd73bee0), ')')
   Call: (216) [system] ')'=')'
   Exit: (216) [system] ')'=')'
   Call: (216) [system] get_char((0x563acd73bee0), _1652334)
   Exit: (216) [system] get_char((0x563acd73bee0), ')')
   Call: (216) [system] _1630676=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_list(')', (0x563acd73bee0), [])
   Call: (215) [system] _350690=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (215) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (214) [user] read_list(')', (0x563acd73bee0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
   Call: (214) [system] _5428=[['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (214) [system] [['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=[['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (213) [user] read_list(')', (0x563acd73bee0), [['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
   Call: (213) [system] _5420=[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (213) [system] [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (212) [user] read_list(')', (0x563acd73bee0), [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
^  Exit: (211) [user] cont_sexpr(')', (0x563acd73bee0), [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
^  Call: (211) [user] read_list(')', (0x563acd73bee0), _1666216)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1668074)
   Exit: (213) [system] peek_char((0x563acd73bee0), '\n')
   Call: (213) [system] '\n'=(;)
   Fail: (213) [system] '\n'=(;)
   Call: (213) [system] '\n'=(/)
   Fail: (213) [system] '\n'=(/)
^  Call: (213) [user] is_like_space('\n')
   Call: (214) [system] char_type('\n', 'white')
   Fail: (214) [system] char_type('\n', 'white')
   Call: (214) [system] char_type('\n', end_of_line)
   Exit: (214) [system] char_type('\n', end_of_line)
^  Exit: (213) [user] is_like_space('\n')
   Call: (213) [system] get_char((0x563acd73bee0), _1679524)
   Exit: (213) [system] get_char((0x563acd73bee0), '\n')
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1682228)
   Exit: (214) [system] peek_char((0x563acd73bee0), '\t')
   Call: (214) [system] '\t'=(;)
   Fail: (214) [system] '\t'=(;)
   Call: (214) [system] '\t'=(/)
   Fail: (214) [system] '\t'=(/)
^  Call: (214) [user] is_like_space('\t')
   Call: (215) [system] char_type('\t', 'white')
   Exit: (215) [system] char_type('\t', 'white')
^  Exit: (214) [user] is_like_space('\t')
   Call: (214) [system] get_char((0x563acd73bee0), _1691822)
   Exit: (214) [system] get_char((0x563acd73bee0), '\t')
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1694526)
   Exit: (215) [system] peek_char((0x563acd73bee0), '\t')
   Call: (215) [system] '\t'=(;)
   Fail: (215) [system] '\t'=(;)
   Call: (215) [system] '\t'=(/)
   Fail: (215) [system] '\t'=(/)
^  Call: (215) [user] is_like_space('\t')
   Call: (216) [system] char_type('\t', 'white')
   Exit: (216) [system] char_type('\t', 'white')
^  Exit: (215) [user] is_like_space('\t')
   Call: (215) [system] get_char((0x563acd73bee0), _1704120)
   Exit: (215) [system] get_char((0x563acd73bee0), '\t')
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1706824)
   Exit: (216) [system] peek_char((0x563acd73bee0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x563acd73bee0), _1716418)
   Exit: (216) [system] get_char((0x563acd73bee0), ' ')
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1719122)
   Exit: (217) [system] peek_char((0x563acd73bee0), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
   Call: (217) [system] '('=(/)
   Fail: (217) [system] '('=(/)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1738828)
   Exit: (212) [system] peek_char((0x563acd73bee0), '(')
   Call: (212) [system] '('=')'
   Fail: (212) [system] '('=')'
   Call: (212) [system] '('=end_of_file
   Fail: (212) [system] '('=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x563acd73bee0), _1744398)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1746256)
   Exit: (214) [system] peek_char((0x563acd73bee0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] get_char((0x563acd73bee0), _1762266)
   Exit: (213) [system] get_char((0x563acd73bee0), '(')
   Call: (213) [system] '('='('
   Exit: (213) [system] '('='('
^  Call: (213) [user] read_list(')', (0x563acd73bee0), _1744398)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1767836)
   Exit: (215) [system] peek_char((0x563acd73bee0), :)
   Call: (215) [system] (:)=(;)
   Fail: (215) [system] (:)=(;)
   Call: (215) [system] (:)=(/)
   Fail: (215) [system] (:)=(/)
^  Call: (215) [user] is_like_space(:)
   Call: (216) [system] char_type(:, 'white')
   Fail: (216) [system] char_type(:, 'white')
   Call: (216) [system] char_type(:, end_of_line)
   Fail: (216) [system] char_type(:, end_of_line)
   Call: (216) [system] char_type(:, space)
   Fail: (216) [system] char_type(:, space)
   Call: (216) [system] char_type(:, cntrl)
   Fail: (216) [system] char_type(:, cntrl)
^  Fail: (215) [user] is_like_space(:)
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1783846)
   Exit: (214) [system] peek_char((0x563acd73bee0), :)
   Call: (214) [system] (:)=')'
   Fail: (214) [system] (:)=')'
   Call: (214) [system] (:)=end_of_file
   Fail: (214) [system] (:)=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x563acd73bee0), _1789416)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1791274)
   Exit: (216) [system] peek_char((0x563acd73bee0), :)
   Call: (216) [system] (:)=(;)
   Fail: (216) [system] (:)=(;)
   Call: (216) [system] (:)=(/)
   Fail: (216) [system] (:)=(/)
^  Call: (216) [user] is_like_space(:)
   Call: (217) [system] char_type(:, 'white')
   Fail: (217) [system] char_type(:, 'white')
   Call: (217) [system] char_type(:, end_of_line)
   Fail: (217) [system] char_type(:, end_of_line)
   Call: (217) [system] char_type(:, space)
   Fail: (217) [system] char_type(:, space)
   Call: (217) [system] char_type(:, cntrl)
   Fail: (217) [system] char_type(:, cntrl)
^  Fail: (216) [user] is_like_space(:)
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] get_char((0x563acd73bee0), _1807284)
   Exit: (215) [system] get_char((0x563acd73bee0), :)
   Call: (215) [system] (:)='('
   Fail: (215) [system] (:)='('
   Call: (215) [system] (:)='['
   Fail: (215) [system] (:)='['
   Call: (215) [system] (:)='{'
   Fail: (215) [system] (:)='{'
   Call: (215) [system] (:)='"'
   Fail: (215) [system] (:)='"'
   Call: (215) [system] (:)=!
   Fail: (215) [system] (:)=!
   Call: (215) [system] (:)='\''
   Fail: (215) [system] (:)='\''
   Call: (215) [system] (:)='`'
   Fail: (215) [system] (:)='`'
   Call: (215) [system] (:)=end_of_file
   Fail: (215) [system] (:)=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x563acd73bee0), :, _1789416)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _1824926)
   Call: (217) [system] peek_char((0x563acd73bee0), _1825860)
   Exit: (217) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _1824926=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (216) [user] classify_and_convert_charseq([:], _1789416)
^  Call: (217) [user] classify_and_convert_charseq_([:], _1835144)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1836096, _1836098), once(user:catch(read_from_chars([:], _1835144), _1836078, fail)), '$restore_trace'(_1836096, _1836098))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1836096, _1836098))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1836078, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(:)
   Exit: (218) [system] atomic(:)
^  Exit: (217) [user] classify_and_convert_charseq_([:], :)
   Call: (217) [system] integer(:)
   Fail: (217) [system] integer(:)
   Call: (217) [system] _1789416=(:)
   Exit: (217) [system] (:)=(:)
^  Exit: (216) [user] classify_and_convert_charseq([:], :)
^  Exit: (215) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (214) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (214) [user] read_list(')', (0x563acd73bee0), _1848224)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1850082)
   Exit: (216) [system] peek_char((0x563acd73bee0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x563acd73bee0), _1859676)
   Exit: (216) [system] get_char((0x563acd73bee0), ' ')
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1862380)
   Exit: (217) [system] peek_char((0x563acd73bee0), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
   Call: (217) [system] '('=(/)
   Fail: (217) [system] '('=(/)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1879314)
   Exit: (215) [system] peek_char((0x563acd73bee0), '(')
   Call: (215) [system] '('=')'
   Fail: (215) [system] '('=')'
   Call: (215) [system] '('=end_of_file
   Fail: (215) [system] '('=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x563acd73bee0), _1884884)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1886742)
   Exit: (217) [system] peek_char((0x563acd73bee0), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
   Call: (217) [system] '('=(/)
   Fail: (217) [system] '('=(/)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] get_char((0x563acd73bee0), _1902752)
   Exit: (216) [system] get_char((0x563acd73bee0), '(')
   Call: (216) [system] '('='('
   Exit: (216) [system] '('='('
^  Call: (216) [user] read_list(')', (0x563acd73bee0), _1884884)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _1908322)
   Exit: (218) [system] peek_char((0x563acd73bee0), 'D')
   Call: (218) [system] 'D'=(;)
   Fail: (218) [system] 'D'=(;)
   Call: (218) [system] 'D'=(/)
   Fail: (218) [system] 'D'=(/)
^  Call: (218) [user] is_like_space('D')
   Call: (219) [system] char_type('D', 'white')
   Fail: (219) [system] char_type('D', 'white')
   Call: (219) [system] char_type('D', end_of_line)
   Fail: (219) [system] char_type('D', end_of_line)
   Call: (219) [system] char_type('D', space)
   Fail: (219) [system] char_type('D', space)
   Call: (219) [system] char_type('D', cntrl)
   Fail: (219) [system] char_type('D', cntrl)
^  Fail: (218) [user] is_like_space('D')
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1924332)
   Exit: (217) [system] peek_char((0x563acd73bee0), 'D')
   Call: (217) [system] 'D'=')'
   Fail: (217) [system] 'D'=')'
   Call: (217) [system] 'D'=end_of_file
   Fail: (217) [system] 'D'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x563acd73bee0), _1929902)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _1931760)
   Exit: (219) [system] peek_char((0x563acd73bee0), 'D')
   Call: (219) [system] 'D'=(;)
   Fail: (219) [system] 'D'=(;)
   Call: (219) [system] 'D'=(/)
   Fail: (219) [system] 'D'=(/)
^  Call: (219) [user] is_like_space('D')
   Call: (220) [system] char_type('D', 'white')
   Fail: (220) [system] char_type('D', 'white')
   Call: (220) [system] char_type('D', end_of_line)
   Fail: (220) [system] char_type('D', end_of_line)
   Call: (220) [system] char_type('D', space)
   Fail: (220) [system] char_type('D', space)
   Call: (220) [system] char_type('D', cntrl)
   Fail: (220) [system] char_type('D', cntrl)
^  Fail: (219) [user] is_like_space('D')
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] get_char((0x563acd73bee0), _1947770)
   Exit: (218) [system] get_char((0x563acd73bee0), 'D')
   Call: (218) [system] 'D'='('
   Fail: (218) [system] 'D'='('
   Call: (218) [system] 'D'='['
   Fail: (218) [system] 'D'='['
   Call: (218) [system] 'D'='{'
   Fail: (218) [system] 'D'='{'
   Call: (218) [system] 'D'='"'
   Fail: (218) [system] 'D'='"'
   Call: (218) [system] 'D'=!
   Fail: (218) [system] 'D'=!
   Call: (218) [system] 'D'='\''
   Fail: (218) [system] 'D'='\''
   Call: (218) [system] 'D'='`'
   Fail: (218) [system] 'D'='`'
   Call: (218) [system] 'D'=end_of_file
   Fail: (218) [system] 'D'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x563acd73bee0), 'D', _1929902)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _1965412)
   Call: (220) [system] peek_char((0x563acd73bee0), _1966346)
   Exit: (220) [system] peek_char((0x563acd73bee0), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_1971066, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_1971998, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x563acd73bee0), i)
   Exit: (220) [system] get_char((0x563acd73bee0), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _1979348)
   Call: (221) [system] peek_char((0x563acd73bee0), _1980282)
   Exit: (221) [system] peek_char((0x563acd73bee0), s)
^  Call: (221) [user] is_delimiter(s)
   Call: (222) [system] char_type(s, space)
   Fail: (222) [system] char_type(s, space)
   Call: (222) [system] arg(_1985002, v('(', ')', end_of_file), s)
   Fail: (222) [system] arg(_1985934, v('(', ')', end_of_file), s)
^  Fail: (221) [user] is_delimiter(s)
   Call: (221) [system] ')'==s
   Fail: (221) [system] ')'==s
   Call: (221) [system] get_char((0x563acd73bee0), s)
   Exit: (221) [system] get_char((0x563acd73bee0), s)
   Call: (221) [system] s=(\)
   Fail: (221) [system] s=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _1993284)
   Call: (222) [system] peek_char((0x563acd73bee0), _1994218)
   Exit: (222) [system] peek_char((0x563acd73bee0), j)
^  Call: (222) [user] is_delimiter(j)
   Call: (223) [system] char_type(j, space)
   Fail: (223) [system] char_type(j, space)
   Call: (223) [system] arg(_1998938, v('(', ')', end_of_file), j)
   Fail: (223) [system] arg(_1999870, v('(', ')', end_of_file), j)
^  Fail: (222) [user] is_delimiter(j)
   Call: (222) [system] ')'==j
   Fail: (222) [system] ')'==j
   Call: (222) [system] get_char((0x563acd73bee0), j)
   Exit: (222) [system] get_char((0x563acd73bee0), j)
   Call: (222) [system] j=(\)
   Fail: (222) [system] j=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _2007220)
   Call: (223) [system] peek_char((0x563acd73bee0), _2008154)
   Exit: (223) [system] peek_char((0x563acd73bee0), u)
^  Call: (223) [user] is_delimiter(u)
   Call: (224) [system] char_type(u, space)
   Fail: (224) [system] char_type(u, space)
   Call: (224) [system] arg(_2012874, v('(', ')', end_of_file), u)
   Fail: (224) [system] arg(_2013806, v('(', ')', end_of_file), u)
^  Fail: (223) [user] is_delimiter(u)
   Call: (223) [system] ')'==u
   Fail: (223) [system] ')'==u
   Call: (223) [system] get_char((0x563acd73bee0), u)
   Exit: (223) [system] get_char((0x563acd73bee0), u)
   Call: (223) [system] u=(\)
   Fail: (223) [system] u=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _2021156)
   Call: (224) [system] peek_char((0x563acd73bee0), _2022090)
   Exit: (224) [system] peek_char((0x563acd73bee0), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_2026810, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_2027742, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x563acd73bee0), n)
   Exit: (224) [system] get_char((0x563acd73bee0), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _2035092)
   Call: (225) [system] peek_char((0x563acd73bee0), _2036026)
   Exit: (225) [system] peek_char((0x563acd73bee0), c)
^  Call: (225) [user] is_delimiter(c)
   Call: (226) [system] char_type(c, space)
   Fail: (226) [system] char_type(c, space)
   Call: (226) [system] arg(_2040746, v('(', ')', end_of_file), c)
   Fail: (226) [system] arg(_2041678, v('(', ')', end_of_file), c)
^  Fail: (225) [user] is_delimiter(c)
   Call: (225) [system] ')'==c
   Fail: (225) [system] ')'==c
   Call: (225) [system] get_char((0x563acd73bee0), c)
   Exit: (225) [system] get_char((0x563acd73bee0), c)
   Call: (225) [system] c=(\)
   Fail: (225) [system] c=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _2049028)
   Call: (226) [system] peek_char((0x563acd73bee0), _2049962)
   Exit: (226) [system] peek_char((0x563acd73bee0), t)
^  Call: (226) [user] is_delimiter(t)
   Call: (227) [system] char_type(t, space)
   Fail: (227) [system] char_type(t, space)
   Call: (227) [system] arg(_2054682, v('(', ')', end_of_file), t)
   Fail: (227) [system] arg(_2055614, v('(', ')', end_of_file), t)
^  Fail: (226) [user] is_delimiter(t)
   Call: (226) [system] ')'==t
   Fail: (226) [system] ')'==t
   Call: (226) [system] get_char((0x563acd73bee0), t)
   Exit: (226) [system] get_char((0x563acd73bee0), t)
   Call: (226) [system] t=(\)
   Fail: (226) [system] t=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _2062964)
   Call: (227) [system] peek_char((0x563acd73bee0), _2063898)
   Exit: (227) [system] peek_char((0x563acd73bee0), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_2068618, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_2069550, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x563acd73bee0), i)
   Exit: (227) [system] get_char((0x563acd73bee0), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _2076900)
   Call: (228) [system] peek_char((0x563acd73bee0), _2077834)
   Exit: (228) [system] peek_char((0x563acd73bee0), o)
^  Call: (228) [user] is_delimiter(o)
   Call: (229) [system] char_type(o, space)
   Fail: (229) [system] char_type(o, space)
   Call: (229) [system] arg(_2082554, v('(', ')', end_of_file), o)
   Fail: (229) [system] arg(_2083486, v('(', ')', end_of_file), o)
^  Fail: (228) [user] is_delimiter(o)
   Call: (228) [system] ')'==o
   Fail: (228) [system] ')'==o
   Call: (228) [system] get_char((0x563acd73bee0), o)
   Exit: (228) [system] get_char((0x563acd73bee0), o)
   Call: (228) [system] o=(\)
   Fail: (228) [system] o=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _2090836)
   Call: (229) [system] peek_char((0x563acd73bee0), _2091770)
   Exit: (229) [system] peek_char((0x563acd73bee0), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_5644, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_6244, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x563acd73bee0), n)
   Exit: (229) [system] get_char((0x563acd73bee0), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _13594)
   Call: (230) [system] peek_char((0x563acd73bee0), _14528)
   Exit: (230) [system] peek_char((0x563acd73bee0), 'I')
^  Call: (230) [user] is_delimiter('I')
   Call: (231) [system] char_type('I', space)
   Fail: (231) [system] char_type('I', space)
   Call: (231) [system] arg(_19248, v('(', ')', end_of_file), 'I')
   Fail: (231) [system] arg(_20180, v('(', ')', end_of_file), 'I')
^  Fail: (230) [user] is_delimiter('I')
   Call: (230) [system] ')'=='I'
   Fail: (230) [system] ')'=='I'
   Call: (230) [system] get_char((0x563acd73bee0), 'I')
   Exit: (230) [system] get_char((0x563acd73bee0), 'I')
   Call: (230) [system] 'I'=(\)
   Fail: (230) [system] 'I'=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _27530)
   Call: (231) [system] peek_char((0x563acd73bee0), _28464)
   Exit: (231) [system] peek_char((0x563acd73bee0), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_33184, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_34116, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x563acd73bee0), n)
   Exit: (231) [system] get_char((0x563acd73bee0), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _41466)
   Call: (232) [system] peek_char((0x563acd73bee0), _42400)
   Exit: (232) [system] peek_char((0x563acd73bee0), t)
^  Call: (232) [user] is_delimiter(t)
   Call: (233) [system] char_type(t, space)
   Fail: (233) [system] char_type(t, space)
   Call: (233) [system] arg(_47120, v('(', ')', end_of_file), t)
   Fail: (233) [system] arg(_48052, v('(', ')', end_of_file), t)
^  Fail: (232) [user] is_delimiter(t)
   Call: (232) [system] ')'==t
   Fail: (232) [system] ')'==t
   Call: (232) [system] get_char((0x563acd73bee0), t)
   Exit: (232) [system] get_char((0x563acd73bee0), t)
   Call: (232) [system] t=(\)
   Fail: (232) [system] t=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _55402)
   Call: (233) [system] peek_char((0x563acd73bee0), _56336)
   Exit: (233) [system] peek_char((0x563acd73bee0), r)
^  Call: (233) [user] is_delimiter(r)
   Call: (234) [system] char_type(r, space)
   Fail: (234) [system] char_type(r, space)
   Call: (234) [system] arg(_61056, v('(', ')', end_of_file), r)
   Fail: (234) [system] arg(_61988, v('(', ')', end_of_file), r)
^  Fail: (233) [user] is_delimiter(r)
   Call: (233) [system] ')'==r
   Fail: (233) [system] ')'==r
   Call: (233) [system] get_char((0x563acd73bee0), r)
   Exit: (233) [system] get_char((0x563acd73bee0), r)
   Call: (233) [system] r=(\)
   Fail: (233) [system] r=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), _69338)
   Call: (234) [system] peek_char((0x563acd73bee0), _70272)
   Exit: (234) [system] peek_char((0x563acd73bee0), o)
^  Call: (234) [user] is_delimiter(o)
   Call: (235) [system] char_type(o, space)
   Fail: (235) [system] char_type(o, space)
   Call: (235) [system] arg(_74992, v('(', ')', end_of_file), o)
   Fail: (235) [system] arg(_75924, v('(', ')', end_of_file), o)
^  Fail: (234) [user] is_delimiter(o)
   Call: (234) [system] ')'==o
   Fail: (234) [system] ')'==o
   Call: (234) [system] get_char((0x563acd73bee0), o)
   Exit: (234) [system] get_char((0x563acd73bee0), o)
   Call: (234) [system] o=(\)
   Fail: (234) [system] o=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), _83274)
   Call: (235) [system] peek_char((0x563acd73bee0), _84208)
   Exit: (235) [system] peek_char((0x563acd73bee0), d)
^  Call: (235) [user] is_delimiter(d)
   Call: (236) [system] char_type(d, space)
   Fail: (236) [system] char_type(d, space)
   Call: (236) [system] arg(_88928, v('(', ')', end_of_file), d)
   Fail: (236) [system] arg(_89860, v('(', ')', end_of_file), d)
^  Fail: (235) [user] is_delimiter(d)
   Call: (235) [system] ')'==d
   Fail: (235) [system] ')'==d
   Call: (235) [system] get_char((0x563acd73bee0), d)
   Exit: (235) [system] get_char((0x563acd73bee0), d)
   Call: (235) [system] d=(\)
   Fail: (235) [system] d=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), _97210)
   Call: (236) [system] peek_char((0x563acd73bee0), _98144)
   Exit: (236) [system] peek_char((0x563acd73bee0), u)
^  Call: (236) [user] is_delimiter(u)
   Call: (237) [system] char_type(u, space)
   Fail: (237) [system] char_type(u, space)
   Call: (237) [system] arg(_102864, v('(', ')', end_of_file), u)
   Fail: (237) [system] arg(_103796, v('(', ')', end_of_file), u)
^  Fail: (236) [user] is_delimiter(u)
   Call: (236) [system] ')'==u
   Fail: (236) [system] ')'==u
   Call: (236) [system] get_char((0x563acd73bee0), u)
   Exit: (236) [system] get_char((0x563acd73bee0), u)
   Call: (236) [system] u=(\)
   Fail: (236) [system] u=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), _111146)
   Call: (237) [system] peek_char((0x563acd73bee0), _112080)
   Exit: (237) [system] peek_char((0x563acd73bee0), c)
^  Call: (237) [user] is_delimiter(c)
   Call: (238) [system] char_type(c, space)
   Fail: (238) [system] char_type(c, space)
   Call: (238) [system] arg(_116800, v('(', ')', end_of_file), c)
   Fail: (238) [system] arg(_117732, v('(', ')', end_of_file), c)
^  Fail: (237) [user] is_delimiter(c)
   Call: (237) [system] ')'==c
   Fail: (237) [system] ')'==c
   Call: (237) [system] get_char((0x563acd73bee0), c)
   Exit: (237) [system] get_char((0x563acd73bee0), c)
   Call: (237) [system] c=(\)
   Fail: (237) [system] c=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), _125082)
   Call: (238) [system] peek_char((0x563acd73bee0), _126016)
   Exit: (238) [system] peek_char((0x563acd73bee0), t)
^  Call: (238) [user] is_delimiter(t)
   Call: (239) [system] char_type(t, space)
   Fail: (239) [system] char_type(t, space)
   Call: (239) [system] arg(_130736, v('(', ')', end_of_file), t)
   Fail: (239) [system] arg(_131668, v('(', ')', end_of_file), t)
^  Fail: (238) [user] is_delimiter(t)
   Call: (238) [system] ')'==t
   Fail: (238) [system] ')'==t
   Call: (238) [system] get_char((0x563acd73bee0), t)
   Exit: (238) [system] get_char((0x563acd73bee0), t)
   Call: (238) [system] t=(\)
   Fail: (238) [system] t=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x563acd73bee0), _139018)
   Call: (239) [system] peek_char((0x563acd73bee0), _139952)
   Exit: (239) [system] peek_char((0x563acd73bee0), i)
^  Call: (239) [user] is_delimiter(i)
   Call: (240) [system] char_type(i, space)
   Fail: (240) [system] char_type(i, space)
   Call: (240) [system] arg(_144672, v('(', ')', end_of_file), i)
   Fail: (240) [system] arg(_145604, v('(', ')', end_of_file), i)
^  Fail: (239) [user] is_delimiter(i)
   Call: (239) [system] ')'==i
   Fail: (239) [system] ')'==i
   Call: (239) [system] get_char((0x563acd73bee0), i)
   Exit: (239) [system] get_char((0x563acd73bee0), i)
   Call: (239) [system] i=(\)
   Fail: (239) [system] i=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x563acd73bee0), _152954)
   Call: (240) [system] peek_char((0x563acd73bee0), _153888)
   Exit: (240) [system] peek_char((0x563acd73bee0), o)
^  Call: (240) [user] is_delimiter(o)
   Call: (241) [system] char_type(o, space)
   Fail: (241) [system] char_type(o, space)
   Call: (241) [system] arg(_158608, v('(', ')', end_of_file), o)
   Fail: (241) [system] arg(_159540, v('(', ')', end_of_file), o)
^  Fail: (240) [user] is_delimiter(o)
   Call: (240) [system] ')'==o
   Fail: (240) [system] ')'==o
   Call: (240) [system] get_char((0x563acd73bee0), o)
   Exit: (240) [system] get_char((0x563acd73bee0), o)
   Call: (240) [system] o=(\)
   Fail: (240) [system] o=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x563acd73bee0), _166890)
   Call: (241) [system] peek_char((0x563acd73bee0), _167824)
   Exit: (241) [system] peek_char((0x563acd73bee0), n)
^  Call: (241) [user] is_delimiter(n)
   Call: (242) [system] char_type(n, space)
   Fail: (242) [system] char_type(n, space)
   Call: (242) [system] arg(_172544, v('(', ')', end_of_file), n)
   Fail: (242) [system] arg(_173476, v('(', ')', end_of_file), n)
^  Fail: (241) [user] is_delimiter(n)
   Call: (241) [system] ')'==n
   Fail: (241) [system] ')'==n
   Call: (241) [system] get_char((0x563acd73bee0), n)
   Exit: (241) [system] get_char((0x563acd73bee0), n)
   Call: (241) [system] n=(\)
   Fail: (241) [system] n=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x563acd73bee0), _180826)
   Call: (242) [system] peek_char((0x563acd73bee0), _181760)
   Exit: (242) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (242) [user] is_delimiter(' ')
   Call: (243) [system] char_type(' ', space)
   Exit: (243) [system] char_type(' ', space)
^  Exit: (242) [user] is_delimiter(' ')
   Call: (242) [system] _180826=[]
   Exit: (242) [system] []=[]
^  Exit: (241) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (241) [system] _166890=[n]
   Exit: (241) [system] [n]=[n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (240) [system] _152954=[o, n]
   Exit: (240) [system] [o, n]=[o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (239) [system] _139018=[i, o, n]
   Exit: (239) [system] [i, o, n]=[i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (238) [system] _125082=[t, i, o, n]
   Exit: (238) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (237) [system] _111146=[c, t, i, o, n]
   Exit: (237) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n])
   Call: (236) [system] _97210=[u, c, t, i, o, n]
   Exit: (236) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, i, o, n])
   Call: (235) [system] _83274=[d, u, c, t, i, o, n]
   Exit: (235) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, u, c, t, i, o, n])
   Call: (234) [system] _69338=[o, d, u, c, t, i, o, n]
   Exit: (234) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, d, u, c, t, i, o, n])
   Call: (233) [system] _55402=[r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _41466=[t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _27530=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _13594=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _5574=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _5570=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _5566=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _5562=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _5558=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _5554=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _5550=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _5546=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _5542=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _5538=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (219) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _5534)
^  Call: (220) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _252512)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_253464, _253466), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _252512), _253446, fail)), '$restore_trace'(_253464, _253466))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_253464, _253466))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _252512), _253446, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_252512)
   Fail: (221) [system] atomic(_252512)
   Call: (221) [system] atom_chars(_252512, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (221) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (220) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (220) [system] integer('DisjunctionIntroduction')
   Fail: (220) [system] integer('DisjunctionIntroduction')
   Call: (220) [system] _5534='DisjunctionIntroduction'
   Exit: (220) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (219) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (218) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'DisjunctionIntroduction')
^  Exit: (217) [user] cont_sexpr(')', (0x563acd73bee0), 'DisjunctionIntroduction')
^  Call: (217) [user] read_list(')', (0x563acd73bee0), _267462)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _269320)
   Exit: (219) [system] peek_char((0x563acd73bee0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x563acd73bee0), _278914)
   Exit: (219) [system] get_char((0x563acd73bee0), ' ')
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _281618)
   Exit: (220) [system] peek_char((0x563acd73bee0), a)
   Call: (220) [system] a=(;)
   Fail: (220) [system] a=(;)
   Call: (220) [system] a=(/)
   Fail: (220) [system] a=(/)
^  Call: (220) [user] is_like_space(a)
   Call: (221) [system] char_type(a, 'white')
   Fail: (221) [system] char_type(a, 'white')
   Call: (221) [system] char_type(a, end_of_line)
   Fail: (221) [system] char_type(a, end_of_line)
   Call: (221) [system] char_type(a, space)
   Fail: (221) [system] char_type(a, space)
   Call: (221) [system] char_type(a, cntrl)
   Fail: (221) [system] char_type(a, cntrl)
^  Fail: (220) [user] is_like_space(a)
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _298552)
   Exit: (218) [system] peek_char((0x563acd73bee0), a)
   Call: (218) [system] a=')'
   Fail: (218) [system] a=')'
   Call: (218) [system] a=end_of_file
   Fail: (218) [system] a=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x563acd73bee0), _304122)
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _305980)
   Exit: (220) [system] peek_char((0x563acd73bee0), a)
   Call: (220) [system] a=(;)
   Fail: (220) [system] a=(;)
   Call: (220) [system] a=(/)
   Fail: (220) [system] a=(/)
^  Call: (220) [user] is_like_space(a)
   Call: (221) [system] char_type(a, 'white')
   Fail: (221) [system] char_type(a, 'white')
   Call: (221) [system] char_type(a, end_of_line)
   Fail: (221) [system] char_type(a, end_of_line)
   Call: (221) [system] char_type(a, space)
   Fail: (221) [system] char_type(a, space)
   Call: (221) [system] char_type(a, cntrl)
   Fail: (221) [system] char_type(a, cntrl)
^  Fail: (220) [user] is_like_space(a)
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] get_char((0x563acd73bee0), _321990)
   Exit: (219) [system] get_char((0x563acd73bee0), a)
   Call: (219) [system] a='('
   Fail: (219) [system] a='('
   Call: (219) [system] a='['
   Fail: (219) [system] a='['
   Call: (219) [system] a='{'
   Fail: (219) [system] a='{'
   Call: (219) [system] a='"'
   Fail: (219) [system] a='"'
   Call: (219) [system] a=!
   Fail: (219) [system] a=!
   Call: (219) [system] a='\''
   Fail: (219) [system] a='\''
   Call: (219) [system] a='`'
   Fail: (219) [system] a='`'
   Call: (219) [system] a=end_of_file
   Fail: (219) [system] a=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x563acd73bee0), a, _304122)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _339632)
   Call: (221) [system] peek_char((0x563acd73bee0), _340566)
   Exit: (221) [system] peek_char((0x563acd73bee0), b)
^  Call: (221) [user] is_delimiter(b)
   Call: (222) [system] char_type(b, space)
   Fail: (222) [system] char_type(b, space)
   Call: (222) [system] arg(_345286, v('(', ')', end_of_file), b)
   Fail: (222) [system] arg(_346218, v('(', ')', end_of_file), b)
^  Fail: (221) [user] is_delimiter(b)
   Call: (221) [system] ')'==b
   Fail: (221) [system] ')'==b
   Call: (221) [system] get_char((0x563acd73bee0), b)
   Exit: (221) [system] get_char((0x563acd73bee0), b)
   Call: (221) [system] b=(\)
   Fail: (221) [system] b=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _353568)
   Call: (222) [system] peek_char((0x563acd73bee0), _354502)
   Exit: (222) [system] peek_char((0x563acd73bee0), c)
^  Call: (222) [user] is_delimiter(c)
   Call: (223) [system] char_type(c, space)
   Fail: (223) [system] char_type(c, space)
   Call: (223) [system] arg(_359222, v('(', ')', end_of_file), c)
   Fail: (223) [system] arg(_360154, v('(', ')', end_of_file), c)
^  Fail: (222) [user] is_delimiter(c)
   Call: (222) [system] ')'==c
   Fail: (222) [system] ')'==c
   Call: (222) [system] get_char((0x563acd73bee0), c)
   Exit: (222) [system] get_char((0x563acd73bee0), c)
   Call: (222) [system] c=(\)
   Fail: (222) [system] c=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _367504)
   Call: (223) [system] peek_char((0x563acd73bee0), _368438)
   Exit: (223) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _367504=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (222) [system] _353568=[c]
   Exit: (222) [system] [c]=[c]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [c])
   Call: (221) [system] _339632=[b, c]
   Exit: (221) [system] [b, c]=[b, c]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [b, c])
^  Call: (220) [user] classify_and_convert_charseq([a, b, c], _304122)
^  Call: (221) [user] classify_and_convert_charseq_([a, b, c], _383310)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_384262, _384264), once(user:catch(read_from_chars([a, b, c], _383310), _384244, fail)), '$restore_trace'(_384262, _384264))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_384262, _384264))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _384244, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(abc)
   Exit: (222) [system] atomic(abc)
^  Exit: (221) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (221) [system] integer(abc)
   Fail: (221) [system] integer(abc)
   Call: (221) [system] _304122=abc
   Exit: (221) [system] abc=abc
^  Exit: (220) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (219) [user] read_symbolic(')', (0x563acd73bee0), a, abc)
^  Exit: (218) [user] cont_sexpr(')', (0x563acd73bee0), abc)
^  Call: (218) [user] read_list(')', (0x563acd73bee0), _396390)
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _398248)
   Exit: (220) [system] peek_char((0x563acd73bee0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x563acd73bee0), _407842)
   Exit: (220) [system] get_char((0x563acd73bee0), ' ')
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _410546)
   Exit: (221) [system] peek_char((0x563acd73bee0), a)
   Call: (221) [system] a=(;)
   Fail: (221) [system] a=(;)
   Call: (221) [system] a=(/)
   Fail: (221) [system] a=(/)
^  Call: (221) [user] is_like_space(a)
   Call: (222) [system] char_type(a, 'white')
   Fail: (222) [system] char_type(a, 'white')
   Call: (222) [system] char_type(a, end_of_line)
   Fail: (222) [system] char_type(a, end_of_line)
   Call: (222) [system] char_type(a, space)
   Fail: (222) [system] char_type(a, space)
   Call: (222) [system] char_type(a, cntrl)
   Fail: (222) [system] char_type(a, cntrl)
^  Fail: (221) [user] is_like_space(a)
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _427480)
   Exit: (219) [system] peek_char((0x563acd73bee0), a)
   Call: (219) [system] a=')'
   Fail: (219) [system] a=')'
   Call: (219) [system] a=end_of_file
   Fail: (219) [system] a=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x563acd73bee0), _433050)
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _434908)
   Exit: (221) [system] peek_char((0x563acd73bee0), a)
   Call: (221) [system] a=(;)
   Fail: (221) [system] a=(;)
   Call: (221) [system] a=(/)
   Fail: (221) [system] a=(/)
^  Call: (221) [user] is_like_space(a)
   Call: (222) [system] char_type(a, 'white')
   Fail: (222) [system] char_type(a, 'white')
   Call: (222) [system] char_type(a, end_of_line)
   Fail: (222) [system] char_type(a, end_of_line)
   Call: (222) [system] char_type(a, space)
   Fail: (222) [system] char_type(a, space)
   Call: (222) [system] char_type(a, cntrl)
   Fail: (222) [system] char_type(a, cntrl)
^  Fail: (221) [user] is_like_space(a)
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] get_char((0x563acd73bee0), _450918)
   Exit: (220) [system] get_char((0x563acd73bee0), a)
   Call: (220) [system] a='('
   Fail: (220) [system] a='('
   Call: (220) [system] a='['
   Fail: (220) [system] a='['
   Call: (220) [system] a='{'
   Fail: (220) [system] a='{'
   Call: (220) [system] a='"'
   Fail: (220) [system] a='"'
   Call: (220) [system] a=!
   Fail: (220) [system] a=!
   Call: (220) [system] a='\''
   Fail: (220) [system] a='\''
   Call: (220) [system] a='`'
   Fail: (220) [system] a='`'
   Call: (220) [system] a=end_of_file
   Fail: (220) [system] a=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x563acd73bee0), a, _433050)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _468560)
   Call: (222) [system] peek_char((0x563acd73bee0), _469494)
   Exit: (222) [system] peek_char((0x563acd73bee0), ')')
^  Call: (222) [user] is_delimiter(')')
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] arg(_474214, v('(', ')', end_of_file), ')')
   Exit: (223) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (222) [user] is_delimiter(')')
   Call: (222) [system] _468560=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (221) [user] classify_and_convert_charseq([a], _433050)
^  Call: (222) [user] classify_and_convert_charseq_([a], _480650)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_481602, _481604), once(user:catch(read_from_chars([a], _480650), _481584, fail)), '$restore_trace'(_481602, _481604))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_481602, _481604))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _481584, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(a)
   Exit: (223) [system] atomic(a)
^  Exit: (222) [user] classify_and_convert_charseq_([a], a)
   Call: (222) [system] integer(a)
   Fail: (222) [system] integer(a)
   Call: (222) [system] _433050=a
   Exit: (222) [system] a=a
^  Exit: (221) [user] classify_and_convert_charseq([a], a)
^  Exit: (220) [user] read_symbolic(')', (0x563acd73bee0), a, a)
^  Exit: (219) [user] cont_sexpr(')', (0x563acd73bee0), a)
^  Call: (219) [user] read_list(')', (0x563acd73bee0), _493730)
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _495588)
   Exit: (221) [system] peek_char((0x563acd73bee0), ')')
   Call: (221) [system] ')'=(;)
   Fail: (221) [system] ')'=(;)
   Call: (221) [system] ')'=(/)
   Fail: (221) [system] ')'=(/)
^  Call: (221) [user] is_like_space(')')
   Call: (222) [system] char_type(')', 'white')
   Fail: (222) [system] char_type(')', 'white')
   Call: (222) [system] char_type(')', end_of_line)
   Fail: (222) [system] char_type(')', end_of_line)
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] char_type(')', cntrl)
   Fail: (222) [system] char_type(')', cntrl)
^  Fail: (221) [user] is_like_space(')')
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _511598)
   Exit: (220) [system] peek_char((0x563acd73bee0), ')')
   Call: (220) [system] ')'=')'
   Exit: (220) [system] ')'=')'
   Call: (220) [system] get_char((0x563acd73bee0), _515388)
   Exit: (220) [system] get_char((0x563acd73bee0), ')')
   Call: (220) [system] _493730=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_list(')', (0x563acd73bee0), [])
   Call: (219) [system] _396390=[a]
   Exit: (219) [system] [a]=[a]
^  Exit: (218) [user] read_list(')', (0x563acd73bee0), [a])
   Call: (218) [system] _267462=[abc, a]
   Exit: (218) [system] [abc, a]=[abc, a]
^  Exit: (217) [user] read_list(')', (0x563acd73bee0), [abc, a])
   Call: (217) [system] _5528=['DisjunctionIntroduction', abc, a]
   Exit: (217) [system] ['DisjunctionIntroduction', abc, a]=['DisjunctionIntroduction', abc, a]
^  Exit: (216) [user] read_list(')', (0x563acd73bee0), ['DisjunctionIntroduction', abc, a])
^  Exit: (215) [user] cont_sexpr(')', (0x563acd73bee0), ['DisjunctionIntroduction', abc, a])
^  Call: (215) [user] read_list(')', (0x563acd73bee0), _529270)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _531128)
   Exit: (217) [system] peek_char((0x563acd73bee0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x563acd73bee0), _540722)
   Exit: (217) [system] get_char((0x563acd73bee0), ' ')
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _543426)
   Exit: (218) [system] peek_char((0x563acd73bee0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _560360)
   Exit: (216) [system] peek_char((0x563acd73bee0), '(')
   Call: (216) [system] '('=')'
   Fail: (216) [system] '('=')'
   Call: (216) [system] '('=end_of_file
   Fail: (216) [system] '('=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x563acd73bee0), _565930)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _567788)
   Exit: (218) [system] peek_char((0x563acd73bee0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] get_char((0x563acd73bee0), _583798)
   Exit: (217) [system] get_char((0x563acd73bee0), '(')
   Call: (217) [system] '('='('
   Exit: (217) [system] '('='('
^  Call: (217) [user] read_list(')', (0x563acd73bee0), _565930)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _589368)
   Exit: (219) [system] peek_char((0x563acd73bee0), 'O')
   Call: (219) [system] 'O'=(;)
   Fail: (219) [system] 'O'=(;)
   Call: (219) [system] 'O'=(/)
   Fail: (219) [system] 'O'=(/)
^  Call: (219) [user] is_like_space('O')
   Call: (220) [system] char_type('O', 'white')
   Fail: (220) [system] char_type('O', 'white')
   Call: (220) [system] char_type('O', end_of_line)
   Fail: (220) [system] char_type('O', end_of_line)
   Call: (220) [system] char_type('O', space)
   Fail: (220) [system] char_type('O', space)
   Call: (220) [system] char_type('O', cntrl)
   Fail: (220) [system] char_type('O', cntrl)
^  Fail: (219) [user] is_like_space('O')
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _605378)
   Exit: (218) [system] peek_char((0x563acd73bee0), 'O')
   Call: (218) [system] 'O'=')'
   Fail: (218) [system] 'O'=')'
   Call: (218) [system] 'O'=end_of_file
   Fail: (218) [system] 'O'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x563acd73bee0), _610948)
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _612806)
   Exit: (220) [system] peek_char((0x563acd73bee0), 'O')
   Call: (220) [system] 'O'=(;)
   Fail: (220) [system] 'O'=(;)
   Call: (220) [system] 'O'=(/)
   Fail: (220) [system] 'O'=(/)
^  Call: (220) [user] is_like_space('O')
   Call: (221) [system] char_type('O', 'white')
   Fail: (221) [system] char_type('O', 'white')
   Call: (221) [system] char_type('O', end_of_line)
   Fail: (221) [system] char_type('O', end_of_line)
   Call: (221) [system] char_type('O', space)
   Fail: (221) [system] char_type('O', space)
   Call: (221) [system] char_type('O', cntrl)
   Fail: (221) [system] char_type('O', cntrl)
^  Fail: (220) [user] is_like_space('O')
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] get_char((0x563acd73bee0), _628816)
   Exit: (219) [system] get_char((0x563acd73bee0), 'O')
   Call: (219) [system] 'O'='('
   Fail: (219) [system] 'O'='('
   Call: (219) [system] 'O'='['
   Fail: (219) [system] 'O'='['
   Call: (219) [system] 'O'='{'
   Fail: (219) [system] 'O'='{'
   Call: (219) [system] 'O'='"'
   Fail: (219) [system] 'O'='"'
   Call: (219) [system] 'O'=!
   Fail: (219) [system] 'O'=!
   Call: (219) [system] 'O'='\''
   Fail: (219) [system] 'O'='\''
   Call: (219) [system] 'O'='`'
   Fail: (219) [system] 'O'='`'
   Call: (219) [system] 'O'=end_of_file
   Fail: (219) [system] 'O'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x563acd73bee0), 'O', _610948)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _646458)
   Call: (221) [system] peek_char((0x563acd73bee0), _647392)
   Exit: (221) [system] peek_char((0x563acd73bee0), r)
^  Call: (221) [user] is_delimiter(r)
   Call: (222) [system] char_type(r, space)
   Fail: (222) [system] char_type(r, space)
   Call: (222) [system] arg(_652112, v('(', ')', end_of_file), r)
   Fail: (222) [system] arg(_653044, v('(', ')', end_of_file), r)
^  Fail: (221) [user] is_delimiter(r)
   Call: (221) [system] ')'==r
   Fail: (221) [system] ')'==r
   Call: (221) [system] get_char((0x563acd73bee0), r)
   Exit: (221) [system] get_char((0x563acd73bee0), r)
   Call: (221) [system] r=(\)
   Fail: (221) [system] r=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _660394)
   Call: (222) [system] peek_char((0x563acd73bee0), _661328)
   Exit: (222) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (222) [user] is_delimiter('L')
   Call: (223) [system] char_type('L', space)
   Fail: (223) [system] char_type('L', space)
   Call: (223) [system] arg(_666048, v('(', ')', end_of_file), 'L')
   Fail: (223) [system] arg(_666980, v('(', ')', end_of_file), 'L')
^  Fail: (222) [user] is_delimiter('L')
   Call: (222) [system] ')'=='L'
   Fail: (222) [system] ')'=='L'
   Call: (222) [system] get_char((0x563acd73bee0), 'L')
   Exit: (222) [system] get_char((0x563acd73bee0), 'L')
   Call: (222) [system] 'L'=(\)
   Fail: (222) [system] 'L'=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _674330)
   Call: (223) [system] peek_char((0x563acd73bee0), _675264)
   Exit: (223) [system] peek_char((0x563acd73bee0), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Fail: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_679984, v('(', ')', end_of_file), i)
   Fail: (224) [system] arg(_680916, v('(', ')', end_of_file), i)
^  Fail: (223) [user] is_delimiter(i)
   Call: (223) [system] ')'==i
   Fail: (223) [system] ')'==i
   Call: (223) [system] get_char((0x563acd73bee0), i)
   Exit: (223) [system] get_char((0x563acd73bee0), i)
   Call: (223) [system] i=(\)
   Fail: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _688266)
   Call: (224) [system] peek_char((0x563acd73bee0), _689200)
   Exit: (224) [system] peek_char((0x563acd73bee0), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_693920, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_694852, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x563acd73bee0), n)
   Exit: (224) [system] get_char((0x563acd73bee0), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _702202)
   Call: (225) [system] peek_char((0x563acd73bee0), _703136)
   Exit: (225) [system] peek_char((0x563acd73bee0), k)
^  Call: (225) [user] is_delimiter(k)
   Call: (226) [system] char_type(k, space)
   Fail: (226) [system] char_type(k, space)
   Call: (226) [system] arg(_707856, v('(', ')', end_of_file), k)
   Fail: (226) [system] arg(_708788, v('(', ')', end_of_file), k)
^  Fail: (225) [user] is_delimiter(k)
   Call: (225) [system] ')'==k
   Fail: (225) [system] ')'==k
   Call: (225) [system] get_char((0x563acd73bee0), k)
   Exit: (225) [system] get_char((0x563acd73bee0), k)
   Call: (225) [system] k=(\)
   Fail: (225) [system] k=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _716138)
   Call: (226) [system] peek_char((0x563acd73bee0), _717072)
   Exit: (226) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _716138=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (225) [system] _702202=[k]
   Exit: (225) [system] [k]=[k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (224) [system] _688266=[n, k]
   Exit: (224) [system] [n, k]=[n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (223) [system] _674330=[i, n, k]
   Exit: (223) [system] [i, n, k]=[i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (222) [system] _660394=['L', i, n, k]
   Exit: (222) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (221) [system] _646458=[r, 'L', i, n, k]
   Exit: (221) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (220) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _610948)
^  Call: (221) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _740326)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_741278, _741280), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _740326), _741260, fail)), '$restore_trace'(_741278, _741280))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_741278, _741280))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _740326), _741260, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_740326)
   Fail: (222) [system] atomic(_740326)
   Call: (222) [system] atom_chars(_740326, ['O', r, 'L', i, n, k])
   Exit: (222) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (221) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (221) [system] integer('OrLink')
   Fail: (221) [system] integer('OrLink')
   Call: (221) [system] _610948='OrLink'
   Exit: (221) [system] 'OrLink'='OrLink'
^  Exit: (220) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (219) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (218) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (218) [user] read_list(')', (0x563acd73bee0), _755276)
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _757134)
   Exit: (220) [system] peek_char((0x563acd73bee0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x563acd73bee0), _766728)
   Exit: (220) [system] get_char((0x563acd73bee0), ' ')
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _769432)
   Exit: (221) [system] peek_char((0x563acd73bee0), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _786366)
   Exit: (219) [system] peek_char((0x563acd73bee0), '(')
   Call: (219) [system] '('=')'
   Fail: (219) [system] '('=')'
   Call: (219) [system] '('=end_of_file
   Fail: (219) [system] '('=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x563acd73bee0), _791936)
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _793794)
   Exit: (221) [system] peek_char((0x563acd73bee0), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] get_char((0x563acd73bee0), _809804)
   Exit: (220) [system] get_char((0x563acd73bee0), '(')
   Call: (220) [system] '('='('
   Exit: (220) [system] '('='('
^  Call: (220) [user] read_list(')', (0x563acd73bee0), _791936)
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _815374)
   Exit: (222) [system] peek_char((0x563acd73bee0), 'I')
   Call: (222) [system] 'I'=(;)
   Fail: (222) [system] 'I'=(;)
   Call: (222) [system] 'I'=(/)
   Fail: (222) [system] 'I'=(/)
^  Call: (222) [user] is_like_space('I')
   Call: (223) [system] char_type('I', 'white')
   Fail: (223) [system] char_type('I', 'white')
   Call: (223) [system] char_type('I', end_of_line)
   Fail: (223) [system] char_type('I', end_of_line)
   Call: (223) [system] char_type('I', space)
   Fail: (223) [system] char_type('I', space)
   Call: (223) [system] char_type('I', cntrl)
   Fail: (223) [system] char_type('I', cntrl)
^  Fail: (222) [user] is_like_space('I')
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _831384)
   Exit: (221) [system] peek_char((0x563acd73bee0), 'I')
   Call: (221) [system] 'I'=')'
   Fail: (221) [system] 'I'=')'
   Call: (221) [system] 'I'=end_of_file
   Fail: (221) [system] 'I'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x563acd73bee0), _836954)
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _838812)
   Exit: (223) [system] peek_char((0x563acd73bee0), 'I')
   Call: (223) [system] 'I'=(;)
   Fail: (223) [system] 'I'=(;)
   Call: (223) [system] 'I'=(/)
   Fail: (223) [system] 'I'=(/)
^  Call: (223) [user] is_like_space('I')
   Call: (224) [system] char_type('I', 'white')
   Fail: (224) [system] char_type('I', 'white')
   Call: (224) [system] char_type('I', end_of_line)
   Fail: (224) [system] char_type('I', end_of_line)
   Call: (224) [system] char_type('I', space)
   Fail: (224) [system] char_type('I', space)
   Call: (224) [system] char_type('I', cntrl)
   Fail: (224) [system] char_type('I', cntrl)
^  Fail: (223) [user] is_like_space('I')
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] get_char((0x563acd73bee0), _854822)
   Exit: (222) [system] get_char((0x563acd73bee0), 'I')
   Call: (222) [system] 'I'='('
   Fail: (222) [system] 'I'='('
   Call: (222) [system] 'I'='['
   Fail: (222) [system] 'I'='['
   Call: (222) [system] 'I'='{'
   Fail: (222) [system] 'I'='{'
   Call: (222) [system] 'I'='"'
   Fail: (222) [system] 'I'='"'
   Call: (222) [system] 'I'=!
   Fail: (222) [system] 'I'=!
   Call: (222) [system] 'I'='\''
   Fail: (222) [system] 'I'='\''
   Call: (222) [system] 'I'='`'
   Fail: (222) [system] 'I'='`'
   Call: (222) [system] 'I'=end_of_file
   Fail: (222) [system] 'I'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x563acd73bee0), 'I', _836954)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _872464)
   Call: (224) [system] peek_char((0x563acd73bee0), _873398)
   Exit: (224) [system] peek_char((0x563acd73bee0), m)
^  Call: (224) [user] is_delimiter(m)
   Call: (225) [system] char_type(m, space)
   Fail: (225) [system] char_type(m, space)
   Call: (225) [system] arg(_878118, v('(', ')', end_of_file), m)
   Fail: (225) [system] arg(_879050, v('(', ')', end_of_file), m)
^  Fail: (224) [user] is_delimiter(m)
   Call: (224) [system] ')'==m
   Fail: (224) [system] ')'==m
   Call: (224) [system] get_char((0x563acd73bee0), m)
   Exit: (224) [system] get_char((0x563acd73bee0), m)
   Call: (224) [system] m=(\)
   Fail: (224) [system] m=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _886400)
   Call: (225) [system] peek_char((0x563acd73bee0), _887334)
   Exit: (225) [system] peek_char((0x563acd73bee0), p)
^  Call: (225) [user] is_delimiter(p)
   Call: (226) [system] char_type(p, space)
   Fail: (226) [system] char_type(p, space)
   Call: (226) [system] arg(_892054, v('(', ')', end_of_file), p)
   Fail: (226) [system] arg(_892986, v('(', ')', end_of_file), p)
^  Fail: (225) [user] is_delimiter(p)
   Call: (225) [system] ')'==p
   Fail: (225) [system] ')'==p
   Call: (225) [system] get_char((0x563acd73bee0), p)
   Exit: (225) [system] get_char((0x563acd73bee0), p)
   Call: (225) [system] p=(\)
   Fail: (225) [system] p=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _900336)
   Call: (226) [system] peek_char((0x563acd73bee0), _901270)
   Exit: (226) [system] peek_char((0x563acd73bee0), l)
^  Call: (226) [user] is_delimiter(l)
   Call: (227) [system] char_type(l, space)
   Fail: (227) [system] char_type(l, space)
   Call: (227) [system] arg(_905990, v('(', ')', end_of_file), l)
   Fail: (227) [system] arg(_906922, v('(', ')', end_of_file), l)
^  Fail: (226) [user] is_delimiter(l)
   Call: (226) [system] ')'==l
   Fail: (226) [system] ')'==l
   Call: (226) [system] get_char((0x563acd73bee0), l)
   Exit: (226) [system] get_char((0x563acd73bee0), l)
   Call: (226) [system] l=(\)
   Fail: (226) [system] l=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _914272)
   Call: (227) [system] peek_char((0x563acd73bee0), _915206)
   Exit: (227) [system] peek_char((0x563acd73bee0), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_919926, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_920858, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x563acd73bee0), i)
   Exit: (227) [system] get_char((0x563acd73bee0), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _928208)
   Call: (228) [system] peek_char((0x563acd73bee0), _929142)
   Exit: (228) [system] peek_char((0x563acd73bee0), c)
^  Call: (228) [user] is_delimiter(c)
   Call: (229) [system] char_type(c, space)
   Fail: (229) [system] char_type(c, space)
   Call: (229) [system] arg(_933862, v('(', ')', end_of_file), c)
   Fail: (229) [system] arg(_934794, v('(', ')', end_of_file), c)
^  Fail: (228) [user] is_delimiter(c)
   Call: (228) [system] ')'==c
   Fail: (228) [system] ')'==c
   Call: (228) [system] get_char((0x563acd73bee0), c)
   Exit: (228) [system] get_char((0x563acd73bee0), c)
   Call: (228) [system] c=(\)
   Fail: (228) [system] c=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _942144)
   Call: (229) [system] peek_char((0x563acd73bee0), _943078)
   Exit: (229) [system] peek_char((0x563acd73bee0), a)
^  Call: (229) [user] is_delimiter(a)
   Call: (230) [system] char_type(a, space)
   Fail: (230) [system] char_type(a, space)
   Call: (230) [system] arg(_947798, v('(', ')', end_of_file), a)
   Fail: (230) [system] arg(_948730, v('(', ')', end_of_file), a)
^  Fail: (229) [user] is_delimiter(a)
   Call: (229) [system] ')'==a
   Fail: (229) [system] ')'==a
   Call: (229) [system] get_char((0x563acd73bee0), a)
   Exit: (229) [system] get_char((0x563acd73bee0), a)
   Call: (229) [system] a=(\)
   Fail: (229) [system] a=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _956080)
   Call: (230) [system] peek_char((0x563acd73bee0), _957014)
   Exit: (230) [system] peek_char((0x563acd73bee0), t)
^  Call: (230) [user] is_delimiter(t)
   Call: (231) [system] char_type(t, space)
   Fail: (231) [system] char_type(t, space)
   Call: (231) [system] arg(_961734, v('(', ')', end_of_file), t)
   Fail: (231) [system] arg(_962666, v('(', ')', end_of_file), t)
^  Fail: (230) [user] is_delimiter(t)
   Call: (230) [system] ')'==t
   Fail: (230) [system] ')'==t
   Call: (230) [system] get_char((0x563acd73bee0), t)
   Exit: (230) [system] get_char((0x563acd73bee0), t)
   Call: (230) [system] t=(\)
   Fail: (230) [system] t=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _970016)
   Call: (231) [system] peek_char((0x563acd73bee0), _970950)
   Exit: (231) [system] peek_char((0x563acd73bee0), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Fail: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_975670, v('(', ')', end_of_file), i)
   Fail: (232) [system] arg(_976602, v('(', ')', end_of_file), i)
^  Fail: (231) [user] is_delimiter(i)
   Call: (231) [system] ')'==i
   Fail: (231) [system] ')'==i
   Call: (231) [system] get_char((0x563acd73bee0), i)
   Exit: (231) [system] get_char((0x563acd73bee0), i)
   Call: (231) [system] i=(\)
   Fail: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _983952)
   Call: (232) [system] peek_char((0x563acd73bee0), _984886)
   Exit: (232) [system] peek_char((0x563acd73bee0), o)
^  Call: (232) [user] is_delimiter(o)
   Call: (233) [system] char_type(o, space)
   Fail: (233) [system] char_type(o, space)
   Call: (233) [system] arg(_989606, v('(', ')', end_of_file), o)
   Fail: (233) [system] arg(_990538, v('(', ')', end_of_file), o)
^  Fail: (232) [user] is_delimiter(o)
   Call: (232) [system] ')'==o
   Fail: (232) [system] ')'==o
   Call: (232) [system] get_char((0x563acd73bee0), o)
   Exit: (232) [system] get_char((0x563acd73bee0), o)
   Call: (232) [system] o=(\)
   Fail: (232) [system] o=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _997888)
   Call: (233) [system] peek_char((0x563acd73bee0), _998822)
   Exit: (233) [system] peek_char((0x563acd73bee0), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_1003542, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_1004474, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x563acd73bee0), n)
   Exit: (233) [system] get_char((0x563acd73bee0), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), _1011824)
   Call: (234) [system] peek_char((0x563acd73bee0), _1012758)
   Exit: (234) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _1011824=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (233) [system] _997888=[n]
   Exit: (233) [system] [n]=[n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (232) [system] _983952=[o, n]
   Exit: (232) [system] [o, n]=[o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (231) [system] _970016=[i, o, n]
   Exit: (231) [system] [i, o, n]=[i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (230) [system] _956080=[t, i, o, n]
   Exit: (230) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (229) [system] _942144=[a, t, i, o, n]
   Exit: (229) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (228) [system] _928208=[c, a, t, i, o, n]
   Exit: (228) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (227) [system] _914272=[i, c, a, t, i, o, n]
   Exit: (227) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (226) [system] _900336=[l, i, c, a, t, i, o, n]
   Exit: (226) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (225) [system] _886400=[p, l, i, c, a, t, i, o, n]
   Exit: (225) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (224) [system] _872464=[m, p, l, i, c, a, t, i, o, n]
   Exit: (224) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (223) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _836954)
^  Call: (224) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1049982)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_1050934, _1050936), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1049982), _1050916, fail)), '$restore_trace'(_1050934, _1050936))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_1050934, _1050936))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1049982), _1050916, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_1049982)
   Fail: (225) [system] atomic(_1049982)
   Call: (225) [system] atom_chars(_1049982, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (225) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (224) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (224) [system] integer('Implication')
   Fail: (224) [system] integer('Implication')
   Call: (224) [system] _836954='Implication'
   Exit: (224) [system] 'Implication'='Implication'
^  Exit: (223) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (222) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (221) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (221) [user] read_list(')', (0x563acd73bee0), _1064932)
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _1066790)
   Exit: (223) [system] peek_char((0x563acd73bee0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x563acd73bee0), _1076384)
   Exit: (223) [system] get_char((0x563acd73bee0), ' ')
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _1079088)
   Exit: (224) [system] peek_char((0x563acd73bee0), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
   Call: (224) [system] '('=(/)
   Fail: (224) [system] '('=(/)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _1096022)
   Exit: (222) [system] peek_char((0x563acd73bee0), '(')
   Call: (222) [system] '('=')'
   Fail: (222) [system] '('=')'
   Call: (222) [system] '('=end_of_file
   Fail: (222) [system] '('=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x563acd73bee0), _1101592)
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _1103450)
   Exit: (224) [system] peek_char((0x563acd73bee0), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
   Call: (224) [system] '('=(/)
   Fail: (224) [system] '('=(/)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] get_char((0x563acd73bee0), _1119460)
   Exit: (223) [system] get_char((0x563acd73bee0), '(')
   Call: (223) [system] '('='('
   Exit: (223) [system] '('='('
^  Call: (223) [user] read_list(')', (0x563acd73bee0), _1101592)
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _1125030)
   Exit: (225) [system] peek_char((0x563acd73bee0), 'A')
   Call: (225) [system] 'A'=(;)
   Fail: (225) [system] 'A'=(;)
   Call: (225) [system] 'A'=(/)
   Fail: (225) [system] 'A'=(/)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Fail: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Fail: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Fail: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
   Fail: (226) [system] char_type('A', cntrl)
^  Fail: (225) [user] is_like_space('A')
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _1141040)
   Exit: (224) [system] peek_char((0x563acd73bee0), 'A')
   Call: (224) [system] 'A'=')'
   Fail: (224) [system] 'A'=')'
   Call: (224) [system] 'A'=end_of_file
   Fail: (224) [system] 'A'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x563acd73bee0), _1146610)
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _1148468)
   Exit: (226) [system] peek_char((0x563acd73bee0), 'A')
   Call: (226) [system] 'A'=(;)
   Fail: (226) [system] 'A'=(;)
   Call: (226) [system] 'A'=(/)
   Fail: (226) [system] 'A'=(/)
^  Call: (226) [user] is_like_space('A')
   Call: (227) [system] char_type('A', 'white')
   Fail: (227) [system] char_type('A', 'white')
   Call: (227) [system] char_type('A', end_of_line)
   Fail: (227) [system] char_type('A', end_of_line)
   Call: (227) [system] char_type('A', space)
   Fail: (227) [system] char_type('A', space)
   Call: (227) [system] char_type('A', cntrl)
   Fail: (227) [system] char_type('A', cntrl)
^  Fail: (226) [user] is_like_space('A')
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] get_char((0x563acd73bee0), _1164478)
   Exit: (225) [system] get_char((0x563acd73bee0), 'A')
   Call: (225) [system] 'A'='('
   Fail: (225) [system] 'A'='('
   Call: (225) [system] 'A'='['
   Fail: (225) [system] 'A'='['
   Call: (225) [system] 'A'='{'
   Fail: (225) [system] 'A'='{'
   Call: (225) [system] 'A'='"'
   Fail: (225) [system] 'A'='"'
   Call: (225) [system] 'A'=!
   Fail: (225) [system] 'A'=!
   Call: (225) [system] 'A'='\''
   Fail: (225) [system] 'A'='\''
   Call: (225) [system] 'A'='`'
   Fail: (225) [system] 'A'='`'
   Call: (225) [system] 'A'=end_of_file
   Fail: (225) [system] 'A'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x563acd73bee0), 'A', _1146610)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _1182120)
   Call: (227) [system] peek_char((0x563acd73bee0), _1183054)
   Exit: (227) [system] peek_char((0x563acd73bee0), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_1187774, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_1188706, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x563acd73bee0), n)
   Exit: (227) [system] get_char((0x563acd73bee0), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _1196056)
   Call: (228) [system] peek_char((0x563acd73bee0), _1196990)
   Exit: (228) [system] peek_char((0x563acd73bee0), d)
^  Call: (228) [user] is_delimiter(d)
   Call: (229) [system] char_type(d, space)
   Fail: (229) [system] char_type(d, space)
   Call: (229) [system] arg(_1201710, v('(', ')', end_of_file), d)
   Fail: (229) [system] arg(_1202642, v('(', ')', end_of_file), d)
^  Fail: (228) [user] is_delimiter(d)
   Call: (228) [system] ')'==d
   Fail: (228) [system] ')'==d
   Call: (228) [system] get_char((0x563acd73bee0), d)
   Exit: (228) [system] get_char((0x563acd73bee0), d)
   Call: (228) [system] d=(\)
   Fail: (228) [system] d=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _1209992)
   Call: (229) [system] peek_char((0x563acd73bee0), _1210926)
   Exit: (229) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (229) [user] is_delimiter('L')
   Call: (230) [system] char_type('L', space)
   Fail: (230) [system] char_type('L', space)
   Call: (230) [system] arg(_1215646, v('(', ')', end_of_file), 'L')
   Fail: (230) [system] arg(_1216578, v('(', ')', end_of_file), 'L')
^  Fail: (229) [user] is_delimiter('L')
   Call: (229) [system] ')'=='L'
   Fail: (229) [system] ')'=='L'
   Call: (229) [system] get_char((0x563acd73bee0), 'L')
   Exit: (229) [system] get_char((0x563acd73bee0), 'L')
   Call: (229) [system] 'L'=(\)
   Fail: (229) [system] 'L'=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _1223928)
   Call: (230) [system] peek_char((0x563acd73bee0), _1224862)
   Exit: (230) [system] peek_char((0x563acd73bee0), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Fail: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_1229582, v('(', ')', end_of_file), i)
   Fail: (231) [system] arg(_1230514, v('(', ')', end_of_file), i)
^  Fail: (230) [user] is_delimiter(i)
   Call: (230) [system] ')'==i
   Fail: (230) [system] ')'==i
   Call: (230) [system] get_char((0x563acd73bee0), i)
   Exit: (230) [system] get_char((0x563acd73bee0), i)
   Call: (230) [system] i=(\)
   Fail: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _1237864)
   Call: (231) [system] peek_char((0x563acd73bee0), _1238798)
   Exit: (231) [system] peek_char((0x563acd73bee0), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_1243518, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_1244450, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x563acd73bee0), n)
   Exit: (231) [system] get_char((0x563acd73bee0), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _1251800)
   Call: (232) [system] peek_char((0x563acd73bee0), _1252734)
   Exit: (232) [system] peek_char((0x563acd73bee0), k)
^  Call: (232) [user] is_delimiter(k)
   Call: (233) [system] char_type(k, space)
   Fail: (233) [system] char_type(k, space)
   Call: (233) [system] arg(_1257454, v('(', ')', end_of_file), k)
   Fail: (233) [system] arg(_1258386, v('(', ')', end_of_file), k)
^  Fail: (232) [user] is_delimiter(k)
   Call: (232) [system] ')'==k
   Fail: (232) [system] ')'==k
   Call: (232) [system] get_char((0x563acd73bee0), k)
   Exit: (232) [system] get_char((0x563acd73bee0), k)
   Call: (232) [system] k=(\)
   Fail: (232) [system] k=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _1265736)
   Call: (233) [system] peek_char((0x563acd73bee0), _1266670)
   Exit: (233) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _1265736=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (232) [system] _1251800=[k]
   Exit: (232) [system] [k]=[k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (231) [system] _1237864=[n, k]
   Exit: (231) [system] [n, k]=[n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (230) [system] _1223928=[i, n, k]
   Exit: (230) [system] [i, n, k]=[i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (229) [system] _1209992=['L', i, n, k]
   Exit: (229) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (228) [system] _1196056=[d, 'L', i, n, k]
   Exit: (228) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, 'L', i, n, k])
   Call: (227) [system] _1182120=[n, d, 'L', i, n, k]
   Exit: (227) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, d, 'L', i, n, k])
^  Call: (226) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1146610)
^  Call: (227) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1292718)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1293670, _1293672), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1292718), _1293652, fail)), '$restore_trace'(_1293670, _1293672))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1293670, _1293672))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1292718), _1293652, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_1292718)
   Fail: (228) [system] atomic(_1292718)
   Call: (228) [system] atom_chars(_1292718, ['A', n, d, 'L', i, n, k])
   Exit: (228) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (227) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (227) [system] integer('AndLink')
   Fail: (227) [system] integer('AndLink')
   Call: (227) [system] _1146610='AndLink'
   Exit: (227) [system] 'AndLink'='AndLink'
^  Exit: (226) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (225) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'AndLink')
^  Exit: (224) [user] cont_sexpr(')', (0x563acd73bee0), 'AndLink')
^  Call: (224) [user] read_list(')', (0x563acd73bee0), _1307668)
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _1309526)
   Exit: (226) [system] peek_char((0x563acd73bee0), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x563acd73bee0), _1319120)
   Exit: (226) [system] get_char((0x563acd73bee0), ' ')
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _1321824)
   Exit: (227) [system] peek_char((0x563acd73bee0), 'A')
   Call: (227) [system] 'A'=(;)
   Fail: (227) [system] 'A'=(;)
   Call: (227) [system] 'A'=(/)
   Fail: (227) [system] 'A'=(/)
^  Call: (227) [user] is_like_space('A')
   Call: (228) [system] char_type('A', 'white')
   Fail: (228) [system] char_type('A', 'white')
   Call: (228) [system] char_type('A', end_of_line)
   Fail: (228) [system] char_type('A', end_of_line)
   Call: (228) [system] char_type('A', space)
   Fail: (228) [system] char_type('A', space)
   Call: (228) [system] char_type('A', cntrl)
   Fail: (228) [system] char_type('A', cntrl)
^  Fail: (227) [user] is_like_space('A')
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _1338758)
   Exit: (225) [system] peek_char((0x563acd73bee0), 'A')
   Call: (225) [system] 'A'=')'
   Fail: (225) [system] 'A'=')'
   Call: (225) [system] 'A'=end_of_file
   Fail: (225) [system] 'A'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x563acd73bee0), _1344328)
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _1346186)
   Exit: (227) [system] peek_char((0x563acd73bee0), 'A')
   Call: (227) [system] 'A'=(;)
   Fail: (227) [system] 'A'=(;)
   Call: (227) [system] 'A'=(/)
   Fail: (227) [system] 'A'=(/)
^  Call: (227) [user] is_like_space('A')
   Call: (228) [system] char_type('A', 'white')
   Fail: (228) [system] char_type('A', 'white')
   Call: (228) [system] char_type('A', end_of_line)
   Fail: (228) [system] char_type('A', end_of_line)
   Call: (228) [system] char_type('A', space)
   Fail: (228) [system] char_type('A', space)
   Call: (228) [system] char_type('A', cntrl)
   Fail: (228) [system] char_type('A', cntrl)
^  Fail: (227) [user] is_like_space('A')
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] get_char((0x563acd73bee0), _1362196)
   Exit: (226) [system] get_char((0x563acd73bee0), 'A')
   Call: (226) [system] 'A'='('
   Fail: (226) [system] 'A'='('
   Call: (226) [system] 'A'='['
   Fail: (226) [system] 'A'='['
   Call: (226) [system] 'A'='{'
   Fail: (226) [system] 'A'='{'
   Call: (226) [system] 'A'='"'
   Fail: (226) [system] 'A'='"'
   Call: (226) [system] 'A'=!
   Fail: (226) [system] 'A'=!
   Call: (226) [system] 'A'='\''
   Fail: (226) [system] 'A'='\''
   Call: (226) [system] 'A'='`'
   Fail: (226) [system] 'A'='`'
   Call: (226) [system] 'A'=end_of_file
   Fail: (226) [system] 'A'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x563acd73bee0), 'A', _1344328)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _1379838)
   Call: (228) [system] peek_char((0x563acd73bee0), _1380772)
   Exit: (228) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _1379838=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (227) [user] classify_and_convert_charseq(['A'], _1344328)
^  Call: (228) [user] classify_and_convert_charseq_(['A'], _1390056)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_1391008, _1391010), once(user:catch(read_from_chars(['A'], _1390056), _1390990, fail)), '$restore_trace'(_1391008, _1391010))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_1391008, _1391010))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1390056), _1390990, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_1390056)
   Fail: (229) [system] atomic(_1390056)
   Call: (229) [system] atom_chars(_1390056, ['A'])
   Exit: (229) [system] atom_chars('A', ['A'])
^  Exit: (228) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (228) [system] integer('A')
   Fail: (228) [system] integer('A')
   Call: (228) [system] _1344328='A'
   Exit: (228) [system] 'A'='A'
^  Exit: (227) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (226) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (225) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (225) [user] read_list(')', (0x563acd73bee0), _1405006)
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _1406864)
   Exit: (227) [system] peek_char((0x563acd73bee0), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
   Call: (227) [system] ' '=(/)
   Fail: (227) [system] ' '=(/)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x563acd73bee0), _1416458)
   Exit: (227) [system] get_char((0x563acd73bee0), ' ')
^  Call: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _1419162)
   Exit: (228) [system] peek_char((0x563acd73bee0), 'B')
   Call: (228) [system] 'B'=(;)
   Fail: (228) [system] 'B'=(;)
   Call: (228) [system] 'B'=(/)
   Fail: (228) [system] 'B'=(/)
^  Call: (228) [user] is_like_space('B')
   Call: (229) [system] char_type('B', 'white')
   Fail: (229) [system] char_type('B', 'white')
   Call: (229) [system] char_type('B', end_of_line)
   Fail: (229) [system] char_type('B', end_of_line)
   Call: (229) [system] char_type('B', space)
   Fail: (229) [system] char_type('B', space)
   Call: (229) [system] char_type('B', cntrl)
   Fail: (229) [system] char_type('B', cntrl)
^  Fail: (228) [user] is_like_space('B')
^  Exit: (227) [user] skip_spaces((0x563acd73bee0))
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _1436096)
   Exit: (226) [system] peek_char((0x563acd73bee0), 'B')
   Call: (226) [system] 'B'=')'
   Fail: (226) [system] 'B'=')'
   Call: (226) [system] 'B'=end_of_file
   Fail: (226) [system] 'B'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x563acd73bee0), _1441666)
^  Call: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _1443524)
   Exit: (228) [system] peek_char((0x563acd73bee0), 'B')
   Call: (228) [system] 'B'=(;)
   Fail: (228) [system] 'B'=(;)
   Call: (228) [system] 'B'=(/)
   Fail: (228) [system] 'B'=(/)
^  Call: (228) [user] is_like_space('B')
   Call: (229) [system] char_type('B', 'white')
   Fail: (229) [system] char_type('B', 'white')
   Call: (229) [system] char_type('B', end_of_line)
   Fail: (229) [system] char_type('B', end_of_line)
   Call: (229) [system] char_type('B', space)
   Fail: (229) [system] char_type('B', space)
   Call: (229) [system] char_type('B', cntrl)
   Fail: (229) [system] char_type('B', cntrl)
^  Fail: (228) [user] is_like_space('B')
^  Exit: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] get_char((0x563acd73bee0), _1459534)
   Exit: (227) [system] get_char((0x563acd73bee0), 'B')
   Call: (227) [system] 'B'='('
   Fail: (227) [system] 'B'='('
   Call: (227) [system] 'B'='['
   Fail: (227) [system] 'B'='['
   Call: (227) [system] 'B'='{'
   Fail: (227) [system] 'B'='{'
   Call: (227) [system] 'B'='"'
   Fail: (227) [system] 'B'='"'
   Call: (227) [system] 'B'=!
   Fail: (227) [system] 'B'=!
   Call: (227) [system] 'B'='\''
   Fail: (227) [system] 'B'='\''
   Call: (227) [system] 'B'='`'
   Fail: (227) [system] 'B'='`'
   Call: (227) [system] 'B'=end_of_file
   Fail: (227) [system] 'B'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x563acd73bee0), 'B', _1441666)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _1477176)
   Call: (229) [system] peek_char((0x563acd73bee0), _1478110)
   Exit: (229) [system] peek_char((0x563acd73bee0), ')')
^  Call: (229) [user] is_delimiter(')')
   Call: (230) [system] char_type(')', space)
   Fail: (230) [system] char_type(')', space)
   Call: (230) [system] arg(_1482830, v('(', ')', end_of_file), ')')
   Exit: (230) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (229) [user] is_delimiter(')')
   Call: (229) [system] _1477176=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (228) [user] classify_and_convert_charseq(['B'], _1441666)
^  Call: (229) [user] classify_and_convert_charseq_(['B'], _1489266)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_1490218, _1490220), once(user:catch(read_from_chars(['B'], _1489266), _1490200, fail)), '$restore_trace'(_1490218, _1490220))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_1490218, _1490220))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1489266), _1490200, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_1489266)
   Fail: (230) [system] atomic(_1489266)
   Call: (230) [system] atom_chars(_1489266, ['B'])
   Exit: (230) [system] atom_chars('B', ['B'])
^  Exit: (229) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (229) [system] integer('B')
   Fail: (229) [system] integer('B')
   Call: (229) [system] _1441666='B'
   Exit: (229) [system] 'B'='B'
^  Exit: (228) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (227) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (226) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (226) [user] read_list(')', (0x563acd73bee0), _1504216)
^  Call: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _1506074)
   Exit: (228) [system] peek_char((0x563acd73bee0), ')')
   Call: (228) [system] ')'=(;)
   Fail: (228) [system] ')'=(;)
   Call: (228) [system] ')'=(/)
   Fail: (228) [system] ')'=(/)
^  Call: (228) [user] is_like_space(')')
   Call: (229) [system] char_type(')', 'white')
   Fail: (229) [system] char_type(')', 'white')
   Call: (229) [system] char_type(')', end_of_line)
   Fail: (229) [system] char_type(')', end_of_line)
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] char_type(')', cntrl)
   Fail: (229) [system] char_type(')', cntrl)
^  Fail: (228) [user] is_like_space(')')
^  Exit: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _1522084)
   Exit: (227) [system] peek_char((0x563acd73bee0), ')')
   Call: (227) [system] ')'=')'
   Exit: (227) [system] ')'=')'
   Call: (227) [system] get_char((0x563acd73bee0), _1525874)
   Exit: (227) [system] get_char((0x563acd73bee0), ')')
   Call: (227) [system] _1504216=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_list(')', (0x563acd73bee0), [])
   Call: (226) [system] _1405006=['B']
   Exit: (226) [system] ['B']=['B']
^  Exit: (225) [user] read_list(')', (0x563acd73bee0), ['B'])
   Call: (225) [system] _1307668=['A', 'B']
   Exit: (225) [system] ['A', 'B']=['A', 'B']
^  Exit: (224) [user] read_list(')', (0x563acd73bee0), ['A', 'B'])
   Call: (224) [system] _1101592=['AndLink', 'A', 'B']
   Exit: (224) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (223) [user] read_list(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Exit: (222) [user] cont_sexpr(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Call: (222) [user] read_list(')', (0x563acd73bee0), _1539756)
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _1541614)
   Exit: (224) [system] peek_char((0x563acd73bee0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x563acd73bee0), _1551208)
   Exit: (224) [system] get_char((0x563acd73bee0), ' ')
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _1553912)
   Exit: (225) [system] peek_char((0x563acd73bee0), 'C')
   Call: (225) [system] 'C'=(;)
   Fail: (225) [system] 'C'=(;)
   Call: (225) [system] 'C'=(/)
   Fail: (225) [system] 'C'=(/)
^  Call: (225) [user] is_like_space('C')
   Call: (226) [system] char_type('C', 'white')
   Fail: (226) [system] char_type('C', 'white')
   Call: (226) [system] char_type('C', end_of_line)
   Fail: (226) [system] char_type('C', end_of_line)
   Call: (226) [system] char_type('C', space)
   Fail: (226) [system] char_type('C', space)
   Call: (226) [system] char_type('C', cntrl)
   Fail: (226) [system] char_type('C', cntrl)
^  Fail: (225) [user] is_like_space('C')
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _1570846)
   Exit: (223) [system] peek_char((0x563acd73bee0), 'C')
   Call: (223) [system] 'C'=')'
   Fail: (223) [system] 'C'=')'
   Call: (223) [system] 'C'=end_of_file
   Fail: (223) [system] 'C'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x563acd73bee0), _1576416)
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _1578274)
   Exit: (225) [system] peek_char((0x563acd73bee0), 'C')
   Call: (225) [system] 'C'=(;)
   Fail: (225) [system] 'C'=(;)
   Call: (225) [system] 'C'=(/)
   Fail: (225) [system] 'C'=(/)
^  Call: (225) [user] is_like_space('C')
   Call: (226) [system] char_type('C', 'white')
   Fail: (226) [system] char_type('C', 'white')
   Call: (226) [system] char_type('C', end_of_line)
   Fail: (226) [system] char_type('C', end_of_line)
   Call: (226) [system] char_type('C', space)
   Fail: (226) [system] char_type('C', space)
   Call: (226) [system] char_type('C', cntrl)
   Fail: (226) [system] char_type('C', cntrl)
^  Fail: (225) [user] is_like_space('C')
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] get_char((0x563acd73bee0), _1594284)
   Exit: (224) [system] get_char((0x563acd73bee0), 'C')
   Call: (224) [system] 'C'='('
   Fail: (224) [system] 'C'='('
   Call: (224) [system] 'C'='['
   Fail: (224) [system] 'C'='['
   Call: (224) [system] 'C'='{'
   Fail: (224) [system] 'C'='{'
   Call: (224) [system] 'C'='"'
   Fail: (224) [system] 'C'='"'
   Call: (224) [system] 'C'=!
   Fail: (224) [system] 'C'=!
   Call: (224) [system] 'C'='\''
   Fail: (224) [system] 'C'='\''
   Call: (224) [system] 'C'='`'
   Fail: (224) [system] 'C'='`'
   Call: (224) [system] 'C'=end_of_file
   Fail: (224) [system] 'C'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x563acd73bee0), 'C', _1576416)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _1611926)
   Call: (226) [system] peek_char((0x563acd73bee0), _1612860)
   Exit: (226) [system] peek_char((0x563acd73bee0), ')')
^  Call: (226) [user] is_delimiter(')')
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] arg(_1617580, v('(', ')', end_of_file), ')')
   Exit: (227) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (226) [user] is_delimiter(')')
   Call: (226) [system] _1611926=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (225) [user] classify_and_convert_charseq(['C'], _1576416)
^  Call: (226) [user] classify_and_convert_charseq_(['C'], _1624016)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_1624968, _1624970), once(user:catch(read_from_chars(['C'], _1624016), _1624950, fail)), '$restore_trace'(_1624968, _1624970))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_1624968, _1624970))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1624016), _1624950, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_1624016)
   Fail: (227) [system] atomic(_1624016)
   Call: (227) [system] atom_chars(_1624016, ['C'])
   Exit: (227) [system] atom_chars('C', ['C'])
^  Exit: (226) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (226) [system] integer('C')
   Fail: (226) [system] integer('C')
   Call: (226) [system] _1576416='C'
   Exit: (226) [system] 'C'='C'
^  Exit: (225) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (224) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (223) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (223) [user] read_list(')', (0x563acd73bee0), _1638966)
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _1640824)
   Exit: (225) [system] peek_char((0x563acd73bee0), ')')
   Call: (225) [system] ')'=(;)
   Fail: (225) [system] ')'=(;)
   Call: (225) [system] ')'=(/)
   Fail: (225) [system] ')'=(/)
^  Call: (225) [user] is_like_space(')')
   Call: (226) [system] char_type(')', 'white')
   Fail: (226) [system] char_type(')', 'white')
   Call: (226) [system] char_type(')', end_of_line)
   Fail: (226) [system] char_type(')', end_of_line)
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] char_type(')', cntrl)
   Fail: (226) [system] char_type(')', cntrl)
^  Fail: (225) [user] is_like_space(')')
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _1656834)
   Exit: (224) [system] peek_char((0x563acd73bee0), ')')
   Call: (224) [system] ')'=')'
   Exit: (224) [system] ')'=')'
   Call: (224) [system] get_char((0x563acd73bee0), _1660624)
   Exit: (224) [system] get_char((0x563acd73bee0), ')')
   Call: (224) [system] _1638966=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_list(')', (0x563acd73bee0), [])
   Call: (223) [system] _1539756=['C']
   Exit: (223) [system] ['C']=['C']
^  Exit: (222) [user] read_list(')', (0x563acd73bee0), ['C'])
   Call: (222) [system] _1064932=[['AndLink', 'A', 'B'], 'C']
   Exit: (222) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (221) [user] read_list(')', (0x563acd73bee0), [['AndLink', 'A', 'B'], 'C'])
   Call: (221) [system] _791936=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (221) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (220) [user] read_list(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (219) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (219) [user] read_list(')', (0x563acd73bee0), _1674506)
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _1676364)
   Exit: (221) [system] peek_char((0x563acd73bee0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x563acd73bee0), _1685958)
   Exit: (221) [system] get_char((0x563acd73bee0), ' ')
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _1688662)
   Exit: (222) [system] peek_char((0x563acd73bee0), 'B')
   Call: (222) [system] 'B'=(;)
   Fail: (222) [system] 'B'=(;)
   Call: (222) [system] 'B'=(/)
   Fail: (222) [system] 'B'=(/)
^  Call: (222) [user] is_like_space('B')
   Call: (223) [system] char_type('B', 'white')
   Fail: (223) [system] char_type('B', 'white')
   Call: (223) [system] char_type('B', end_of_line)
   Fail: (223) [system] char_type('B', end_of_line)
   Call: (223) [system] char_type('B', space)
   Fail: (223) [system] char_type('B', space)
   Call: (223) [system] char_type('B', cntrl)
   Fail: (223) [system] char_type('B', cntrl)
^  Fail: (222) [user] is_like_space('B')
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _1705596)
   Exit: (220) [system] peek_char((0x563acd73bee0), 'B')
   Call: (220) [system] 'B'=')'
   Fail: (220) [system] 'B'=')'
   Call: (220) [system] 'B'=end_of_file
   Fail: (220) [system] 'B'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x563acd73bee0), _1711166)
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _1713024)
   Exit: (222) [system] peek_char((0x563acd73bee0), 'B')
   Call: (222) [system] 'B'=(;)
   Fail: (222) [system] 'B'=(;)
   Call: (222) [system] 'B'=(/)
   Fail: (222) [system] 'B'=(/)
^  Call: (222) [user] is_like_space('B')
   Call: (223) [system] char_type('B', 'white')
   Fail: (223) [system] char_type('B', 'white')
   Call: (223) [system] char_type('B', end_of_line)
   Fail: (223) [system] char_type('B', end_of_line)
   Call: (223) [system] char_type('B', space)
   Fail: (223) [system] char_type('B', space)
   Call: (223) [system] char_type('B', cntrl)
   Fail: (223) [system] char_type('B', cntrl)
^  Fail: (222) [user] is_like_space('B')
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] get_char((0x563acd73bee0), _1729034)
   Exit: (221) [system] get_char((0x563acd73bee0), 'B')
   Call: (221) [system] 'B'='('
   Fail: (221) [system] 'B'='('
   Call: (221) [system] 'B'='['
   Fail: (221) [system] 'B'='['
   Call: (221) [system] 'B'='{'
   Fail: (221) [system] 'B'='{'
   Call: (221) [system] 'B'='"'
   Fail: (221) [system] 'B'='"'
   Call: (221) [system] 'B'=!
   Fail: (221) [system] 'B'=!
   Call: (221) [system] 'B'='\''
   Fail: (221) [system] 'B'='\''
   Call: (221) [system] 'B'='`'
   Fail: (221) [system] 'B'='`'
   Call: (221) [system] 'B'=end_of_file
   Fail: (221) [system] 'B'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x563acd73bee0), 'B', _1711166)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _1746676)
   Call: (223) [system] peek_char((0x563acd73bee0), _1747610)
   Exit: (223) [system] peek_char((0x563acd73bee0), ')')
^  Call: (223) [user] is_delimiter(')')
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] arg(_1752330, v('(', ')', end_of_file), ')')
   Exit: (224) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (223) [user] is_delimiter(')')
   Call: (223) [system] _1746676=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (222) [user] classify_and_convert_charseq(['B'], _1711166)
^  Call: (223) [user] classify_and_convert_charseq_(['B'], _1758766)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_1759718, _1759720), once(user:catch(read_from_chars(['B'], _1758766), _1759700, fail)), '$restore_trace'(_1759718, _1759720))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_1759718, _1759720))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1758766), _1759700, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_1758766)
   Fail: (224) [system] atomic(_1758766)
   Call: (224) [system] atom_chars(_1758766, ['B'])
   Exit: (224) [system] atom_chars('B', ['B'])
^  Exit: (223) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (223) [system] integer('B')
   Fail: (223) [system] integer('B')
   Call: (223) [system] _1711166='B'
   Exit: (223) [system] 'B'='B'
^  Exit: (222) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (221) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (220) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (220) [user] read_list(')', (0x563acd73bee0), _1773716)
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _1775574)
   Exit: (222) [system] peek_char((0x563acd73bee0), ')')
   Call: (222) [system] ')'=(;)
   Fail: (222) [system] ')'=(;)
   Call: (222) [system] ')'=(/)
   Fail: (222) [system] ')'=(/)
^  Call: (222) [user] is_like_space(')')
   Call: (223) [system] char_type(')', 'white')
   Fail: (223) [system] char_type(')', 'white')
   Call: (223) [system] char_type(')', end_of_line)
   Fail: (223) [system] char_type(')', end_of_line)
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] char_type(')', cntrl)
   Fail: (223) [system] char_type(')', cntrl)
^  Fail: (222) [user] is_like_space(')')
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _1791584)
   Exit: (221) [system] peek_char((0x563acd73bee0), ')')
   Call: (221) [system] ')'=')'
   Exit: (221) [system] ')'=')'
   Call: (221) [system] get_char((0x563acd73bee0), _1795374)
   Exit: (221) [system] get_char((0x563acd73bee0), ')')
   Call: (221) [system] _1773716=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_list(')', (0x563acd73bee0), [])
   Call: (220) [system] _1674506=['B']
   Exit: (220) [system] ['B']=['B']
^  Exit: (219) [user] read_list(')', (0x563acd73bee0), ['B'])
   Call: (219) [system] _755276=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
   Exit: (219) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
^  Exit: (218) [user] read_list(')', (0x563acd73bee0), [['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
   Call: (218) [system] _565930=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
   Exit: (218) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
^  Exit: (217) [user] read_list(')', (0x563acd73bee0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
^  Exit: (216) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
^  Call: (216) [user] read_list(')', (0x563acd73bee0), _1809256)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _1811114)
   Exit: (218) [system] peek_char((0x563acd73bee0), ')')
   Call: (218) [system] ')'=(;)
   Fail: (218) [system] ')'=(;)
   Call: (218) [system] ')'=(/)
   Fail: (218) [system] ')'=(/)
^  Call: (218) [user] is_like_space(')')
   Call: (219) [system] char_type(')', 'white')
   Fail: (219) [system] char_type(')', 'white')
   Call: (219) [system] char_type(')', end_of_line)
   Fail: (219) [system] char_type(')', end_of_line)
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] char_type(')', cntrl)
   Fail: (219) [system] char_type(')', cntrl)
^  Fail: (218) [user] is_like_space(')')
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1827124)
   Exit: (217) [system] peek_char((0x563acd73bee0), ')')
   Call: (217) [system] ')'=')'
   Exit: (217) [system] ')'=')'
   Call: (217) [system] get_char((0x563acd73bee0), _1830914)
   Exit: (217) [system] get_char((0x563acd73bee0), ')')
   Call: (217) [system] _1809256=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_list(')', (0x563acd73bee0), [])
   Call: (216) [system] _529270=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (216) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (215) [user] read_list(')', (0x563acd73bee0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
   Call: (215) [system] _5524=[['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (215) [system] [['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=[['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (214) [user] read_list(')', (0x563acd73bee0), [['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
   Call: (214) [system] _5516=[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (214) [system] [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (213) [user] read_list(')', (0x563acd73bee0), [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
^  Exit: (212) [user] cont_sexpr(')', (0x563acd73bee0), [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
^  Call: (212) [user] read_list(')', (0x563acd73bee0), _1844796)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1846654)
   Exit: (214) [system] peek_char((0x563acd73bee0), '\n')
   Call: (214) [system] '\n'=(;)
   Fail: (214) [system] '\n'=(;)
   Call: (214) [system] '\n'=(/)
   Fail: (214) [system] '\n'=(/)
^  Call: (214) [user] is_like_space('\n')
   Call: (215) [system] char_type('\n', 'white')
   Fail: (215) [system] char_type('\n', 'white')
   Call: (215) [system] char_type('\n', end_of_line)
   Exit: (215) [system] char_type('\n', end_of_line)
^  Exit: (214) [user] is_like_space('\n')
   Call: (214) [system] get_char((0x563acd73bee0), _1858104)
   Exit: (214) [system] get_char((0x563acd73bee0), '\n')
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1860808)
   Exit: (215) [system] peek_char((0x563acd73bee0), '\t')
   Call: (215) [system] '\t'=(;)
   Fail: (215) [system] '\t'=(;)
   Call: (215) [system] '\t'=(/)
   Fail: (215) [system] '\t'=(/)
^  Call: (215) [user] is_like_space('\t')
   Call: (216) [system] char_type('\t', 'white')
   Exit: (216) [system] char_type('\t', 'white')
^  Exit: (215) [user] is_like_space('\t')
   Call: (215) [system] get_char((0x563acd73bee0), _1870402)
   Exit: (215) [system] get_char((0x563acd73bee0), '\t')
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1873106)
   Exit: (216) [system] peek_char((0x563acd73bee0), '\t')
   Call: (216) [system] '\t'=(;)
   Fail: (216) [system] '\t'=(;)
   Call: (216) [system] '\t'=(/)
   Fail: (216) [system] '\t'=(/)
^  Call: (216) [user] is_like_space('\t')
   Call: (217) [system] char_type('\t', 'white')
   Exit: (217) [system] char_type('\t', 'white')
^  Exit: (216) [user] is_like_space('\t')
   Call: (216) [system] get_char((0x563acd73bee0), _1882700)
   Exit: (216) [system] get_char((0x563acd73bee0), '\t')
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1885404)
   Exit: (217) [system] peek_char((0x563acd73bee0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x563acd73bee0), _1894998)
   Exit: (217) [system] get_char((0x563acd73bee0), ' ')
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _1897702)
   Exit: (218) [system] peek_char((0x563acd73bee0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1917408)
   Exit: (213) [system] peek_char((0x563acd73bee0), '(')
   Call: (213) [system] '('=')'
   Fail: (213) [system] '('=')'
   Call: (213) [system] '('=end_of_file
   Fail: (213) [system] '('=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x563acd73bee0), _1922978)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1924836)
   Exit: (215) [system] peek_char((0x563acd73bee0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] get_char((0x563acd73bee0), _1940846)
   Exit: (214) [system] get_char((0x563acd73bee0), '(')
   Call: (214) [system] '('='('
   Exit: (214) [system] '('='('
^  Call: (214) [user] read_list(')', (0x563acd73bee0), _1922978)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1946416)
   Exit: (216) [system] peek_char((0x563acd73bee0), :)
   Call: (216) [system] (:)=(;)
   Fail: (216) [system] (:)=(;)
   Call: (216) [system] (:)=(/)
   Fail: (216) [system] (:)=(/)
^  Call: (216) [user] is_like_space(:)
   Call: (217) [system] char_type(:, 'white')
   Fail: (217) [system] char_type(:, 'white')
   Call: (217) [system] char_type(:, end_of_line)
   Fail: (217) [system] char_type(:, end_of_line)
   Call: (217) [system] char_type(:, space)
   Fail: (217) [system] char_type(:, space)
   Call: (217) [system] char_type(:, cntrl)
   Fail: (217) [system] char_type(:, cntrl)
^  Fail: (216) [user] is_like_space(:)
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1962426)
   Exit: (215) [system] peek_char((0x563acd73bee0), :)
   Call: (215) [system] (:)=')'
   Fail: (215) [system] (:)=')'
   Call: (215) [system] (:)=end_of_file
   Fail: (215) [system] (:)=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x563acd73bee0), _1967996)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1969854)
   Exit: (217) [system] peek_char((0x563acd73bee0), :)
   Call: (217) [system] (:)=(;)
   Fail: (217) [system] (:)=(;)
   Call: (217) [system] (:)=(/)
   Fail: (217) [system] (:)=(/)
^  Call: (217) [user] is_like_space(:)
   Call: (218) [system] char_type(:, 'white')
   Fail: (218) [system] char_type(:, 'white')
   Call: (218) [system] char_type(:, end_of_line)
   Fail: (218) [system] char_type(:, end_of_line)
   Call: (218) [system] char_type(:, space)
   Fail: (218) [system] char_type(:, space)
   Call: (218) [system] char_type(:, cntrl)
   Fail: (218) [system] char_type(:, cntrl)
^  Fail: (217) [user] is_like_space(:)
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] get_char((0x563acd73bee0), _1985864)
   Exit: (216) [system] get_char((0x563acd73bee0), :)
   Call: (216) [system] (:)='('
   Fail: (216) [system] (:)='('
   Call: (216) [system] (:)='['
   Fail: (216) [system] (:)='['
   Call: (216) [system] (:)='{'
   Fail: (216) [system] (:)='{'
   Call: (216) [system] (:)='"'
   Fail: (216) [system] (:)='"'
   Call: (216) [system] (:)=!
   Fail: (216) [system] (:)=!
   Call: (216) [system] (:)='\''
   Fail: (216) [system] (:)='\''
   Call: (216) [system] (:)='`'
   Fail: (216) [system] (:)='`'
   Call: (216) [system] (:)=end_of_file
   Fail: (216) [system] (:)=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x563acd73bee0), :, _1967996)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _2003506)
   Call: (218) [system] peek_char((0x563acd73bee0), _2004440)
   Exit: (218) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _2003506=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (217) [user] classify_and_convert_charseq([:], _1967996)
^  Call: (218) [user] classify_and_convert_charseq_([:], _2013724)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_2014676, _2014678), once(user:catch(read_from_chars([:], _2013724), _2014658, fail)), '$restore_trace'(_2014676, _2014678))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_2014676, _2014678))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _2014658, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(:)
   Exit: (219) [system] atomic(:)
^  Exit: (218) [user] classify_and_convert_charseq_([:], :)
   Call: (218) [system] integer(:)
   Fail: (218) [system] integer(:)
   Call: (218) [system] _1967996=(:)
   Exit: (218) [system] (:)=(:)
^  Exit: (217) [user] classify_and_convert_charseq([:], :)
^  Exit: (216) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (215) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (215) [user] read_list(')', (0x563acd73bee0), _2026804)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _2028662)
   Exit: (217) [system] peek_char((0x563acd73bee0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x563acd73bee0), _2038256)
   Exit: (217) [system] get_char((0x563acd73bee0), ' ')
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _2040960)
   Exit: (218) [system] peek_char((0x563acd73bee0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _2057894)
   Exit: (216) [system] peek_char((0x563acd73bee0), '(')
   Call: (216) [system] '('=')'
   Fail: (216) [system] '('=')'
   Call: (216) [system] '('=end_of_file
   Fail: (216) [system] '('=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x563acd73bee0), _2063464)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _2065322)
   Exit: (218) [system] peek_char((0x563acd73bee0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] get_char((0x563acd73bee0), _2081332)
   Exit: (217) [system] get_char((0x563acd73bee0), '(')
   Call: (217) [system] '('='('
   Exit: (217) [system] '('='('
^  Call: (217) [user] read_list(')', (0x563acd73bee0), _2063464)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _2086902)
   Exit: (219) [system] peek_char((0x563acd73bee0), 'D')
   Call: (219) [system] 'D'=(;)
   Fail: (219) [system] 'D'=(;)
   Call: (219) [system] 'D'=(/)
   Fail: (219) [system] 'D'=(/)
^  Call: (219) [user] is_like_space('D')
   Call: (220) [system] char_type('D', 'white')
   Fail: (220) [system] char_type('D', 'white')
   Call: (220) [system] char_type('D', end_of_line)
   Fail: (220) [system] char_type('D', end_of_line)
   Call: (220) [system] char_type('D', space)
   Fail: (220) [system] char_type('D', space)
   Call: (220) [system] char_type('D', cntrl)
   Fail: (220) [system] char_type('D', cntrl)
^  Fail: (219) [user] is_like_space('D')
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _11788)
   Exit: (218) [system] peek_char((0x563acd73bee0), 'D')
   Call: (218) [system] 'D'=')'
   Fail: (218) [system] 'D'=')'
   Call: (218) [system] 'D'=end_of_file
   Fail: (218) [system] 'D'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x563acd73bee0), _17358)
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _19216)
   Exit: (220) [system] peek_char((0x563acd73bee0), 'D')
   Call: (220) [system] 'D'=(;)
   Fail: (220) [system] 'D'=(;)
   Call: (220) [system] 'D'=(/)
   Fail: (220) [system] 'D'=(/)
^  Call: (220) [user] is_like_space('D')
   Call: (221) [system] char_type('D', 'white')
   Fail: (221) [system] char_type('D', 'white')
   Call: (221) [system] char_type('D', end_of_line)
   Fail: (221) [system] char_type('D', end_of_line)
   Call: (221) [system] char_type('D', space)
   Fail: (221) [system] char_type('D', space)
   Call: (221) [system] char_type('D', cntrl)
   Fail: (221) [system] char_type('D', cntrl)
^  Fail: (220) [user] is_like_space('D')
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] get_char((0x563acd73bee0), _35226)
   Exit: (219) [system] get_char((0x563acd73bee0), 'D')
   Call: (219) [system] 'D'='('
   Fail: (219) [system] 'D'='('
   Call: (219) [system] 'D'='['
   Fail: (219) [system] 'D'='['
   Call: (219) [system] 'D'='{'
   Fail: (219) [system] 'D'='{'
   Call: (219) [system] 'D'='"'
   Fail: (219) [system] 'D'='"'
   Call: (219) [system] 'D'=!
   Fail: (219) [system] 'D'=!
   Call: (219) [system] 'D'='\''
   Fail: (219) [system] 'D'='\''
   Call: (219) [system] 'D'='`'
   Fail: (219) [system] 'D'='`'
   Call: (219) [system] 'D'=end_of_file
   Fail: (219) [system] 'D'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x563acd73bee0), 'D', _17358)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _52868)
   Call: (221) [system] peek_char((0x563acd73bee0), _53802)
   Exit: (221) [system] peek_char((0x563acd73bee0), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_58522, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_59454, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x563acd73bee0), i)
   Exit: (221) [system] get_char((0x563acd73bee0), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _66804)
   Call: (222) [system] peek_char((0x563acd73bee0), _67738)
   Exit: (222) [system] peek_char((0x563acd73bee0), s)
^  Call: (222) [user] is_delimiter(s)
   Call: (223) [system] char_type(s, space)
   Fail: (223) [system] char_type(s, space)
   Call: (223) [system] arg(_72458, v('(', ')', end_of_file), s)
   Fail: (223) [system] arg(_73390, v('(', ')', end_of_file), s)
^  Fail: (222) [user] is_delimiter(s)
   Call: (222) [system] ')'==s
   Fail: (222) [system] ')'==s
   Call: (222) [system] get_char((0x563acd73bee0), s)
   Exit: (222) [system] get_char((0x563acd73bee0), s)
   Call: (222) [system] s=(\)
   Fail: (222) [system] s=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _80740)
   Call: (223) [system] peek_char((0x563acd73bee0), _81674)
   Exit: (223) [system] peek_char((0x563acd73bee0), j)
^  Call: (223) [user] is_delimiter(j)
   Call: (224) [system] char_type(j, space)
   Fail: (224) [system] char_type(j, space)
   Call: (224) [system] arg(_86394, v('(', ')', end_of_file), j)
   Fail: (224) [system] arg(_87326, v('(', ')', end_of_file), j)
^  Fail: (223) [user] is_delimiter(j)
   Call: (223) [system] ')'==j
   Fail: (223) [system] ')'==j
   Call: (223) [system] get_char((0x563acd73bee0), j)
   Exit: (223) [system] get_char((0x563acd73bee0), j)
   Call: (223) [system] j=(\)
   Fail: (223) [system] j=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _94676)
   Call: (224) [system] peek_char((0x563acd73bee0), _95610)
   Exit: (224) [system] peek_char((0x563acd73bee0), u)
^  Call: (224) [user] is_delimiter(u)
   Call: (225) [system] char_type(u, space)
   Fail: (225) [system] char_type(u, space)
   Call: (225) [system] arg(_100330, v('(', ')', end_of_file), u)
   Fail: (225) [system] arg(_101262, v('(', ')', end_of_file), u)
^  Fail: (224) [user] is_delimiter(u)
   Call: (224) [system] ')'==u
   Fail: (224) [system] ')'==u
   Call: (224) [system] get_char((0x563acd73bee0), u)
   Exit: (224) [system] get_char((0x563acd73bee0), u)
   Call: (224) [system] u=(\)
   Fail: (224) [system] u=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _108612)
   Call: (225) [system] peek_char((0x563acd73bee0), _109546)
   Exit: (225) [system] peek_char((0x563acd73bee0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_114266, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_115198, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x563acd73bee0), n)
   Exit: (225) [system] get_char((0x563acd73bee0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _122548)
   Call: (226) [system] peek_char((0x563acd73bee0), _123482)
   Exit: (226) [system] peek_char((0x563acd73bee0), c)
^  Call: (226) [user] is_delimiter(c)
   Call: (227) [system] char_type(c, space)
   Fail: (227) [system] char_type(c, space)
   Call: (227) [system] arg(_128202, v('(', ')', end_of_file), c)
   Fail: (227) [system] arg(_129134, v('(', ')', end_of_file), c)
^  Fail: (226) [user] is_delimiter(c)
   Call: (226) [system] ')'==c
   Fail: (226) [system] ')'==c
   Call: (226) [system] get_char((0x563acd73bee0), c)
   Exit: (226) [system] get_char((0x563acd73bee0), c)
   Call: (226) [system] c=(\)
   Fail: (226) [system] c=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _136484)
   Call: (227) [system] peek_char((0x563acd73bee0), _137418)
   Exit: (227) [system] peek_char((0x563acd73bee0), t)
^  Call: (227) [user] is_delimiter(t)
   Call: (228) [system] char_type(t, space)
   Fail: (228) [system] char_type(t, space)
   Call: (228) [system] arg(_142138, v('(', ')', end_of_file), t)
   Fail: (228) [system] arg(_143070, v('(', ')', end_of_file), t)
^  Fail: (227) [user] is_delimiter(t)
   Call: (227) [system] ')'==t
   Fail: (227) [system] ')'==t
   Call: (227) [system] get_char((0x563acd73bee0), t)
   Exit: (227) [system] get_char((0x563acd73bee0), t)
   Call: (227) [system] t=(\)
   Fail: (227) [system] t=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _150420)
   Call: (228) [system] peek_char((0x563acd73bee0), _151354)
   Exit: (228) [system] peek_char((0x563acd73bee0), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_156074, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_157006, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x563acd73bee0), i)
   Exit: (228) [system] get_char((0x563acd73bee0), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _164356)
   Call: (229) [system] peek_char((0x563acd73bee0), _165290)
   Exit: (229) [system] peek_char((0x563acd73bee0), o)
^  Call: (229) [user] is_delimiter(o)
   Call: (230) [system] char_type(o, space)
   Fail: (230) [system] char_type(o, space)
   Call: (230) [system] arg(_170010, v('(', ')', end_of_file), o)
   Fail: (230) [system] arg(_170942, v('(', ')', end_of_file), o)
^  Fail: (229) [user] is_delimiter(o)
   Call: (229) [system] ')'==o
   Fail: (229) [system] ')'==o
   Call: (229) [system] get_char((0x563acd73bee0), o)
   Exit: (229) [system] get_char((0x563acd73bee0), o)
   Call: (229) [system] o=(\)
   Fail: (229) [system] o=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _178292)
   Call: (230) [system] peek_char((0x563acd73bee0), _179226)
   Exit: (230) [system] peek_char((0x563acd73bee0), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_183946, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_184878, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x563acd73bee0), n)
   Exit: (230) [system] get_char((0x563acd73bee0), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _192228)
   Call: (231) [system] peek_char((0x563acd73bee0), _193162)
   Exit: (231) [system] peek_char((0x563acd73bee0), 'I')
^  Call: (231) [user] is_delimiter('I')
   Call: (232) [system] char_type('I', space)
   Fail: (232) [system] char_type('I', space)
   Call: (232) [system] arg(_197882, v('(', ')', end_of_file), 'I')
   Fail: (232) [system] arg(_198814, v('(', ')', end_of_file), 'I')
^  Fail: (231) [user] is_delimiter('I')
   Call: (231) [system] ')'=='I'
   Fail: (231) [system] ')'=='I'
   Call: (231) [system] get_char((0x563acd73bee0), 'I')
   Exit: (231) [system] get_char((0x563acd73bee0), 'I')
   Call: (231) [system] 'I'=(\)
   Fail: (231) [system] 'I'=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _206164)
   Call: (232) [system] peek_char((0x563acd73bee0), _207098)
   Exit: (232) [system] peek_char((0x563acd73bee0), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Fail: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_211818, v('(', ')', end_of_file), n)
   Fail: (233) [system] arg(_212750, v('(', ')', end_of_file), n)
^  Fail: (232) [user] is_delimiter(n)
   Call: (232) [system] ')'==n
   Fail: (232) [system] ')'==n
   Call: (232) [system] get_char((0x563acd73bee0), n)
   Exit: (232) [system] get_char((0x563acd73bee0), n)
   Call: (232) [system] n=(\)
   Fail: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _220100)
   Call: (233) [system] peek_char((0x563acd73bee0), _221034)
   Exit: (233) [system] peek_char((0x563acd73bee0), t)
^  Call: (233) [user] is_delimiter(t)
   Call: (234) [system] char_type(t, space)
   Fail: (234) [system] char_type(t, space)
   Call: (234) [system] arg(_225754, v('(', ')', end_of_file), t)
   Fail: (234) [system] arg(_226686, v('(', ')', end_of_file), t)
^  Fail: (233) [user] is_delimiter(t)
   Call: (233) [system] ')'==t
   Fail: (233) [system] ')'==t
   Call: (233) [system] get_char((0x563acd73bee0), t)
   Exit: (233) [system] get_char((0x563acd73bee0), t)
   Call: (233) [system] t=(\)
   Fail: (233) [system] t=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), _234036)
   Call: (234) [system] peek_char((0x563acd73bee0), _234970)
   Exit: (234) [system] peek_char((0x563acd73bee0), r)
^  Call: (234) [user] is_delimiter(r)
   Call: (235) [system] char_type(r, space)
   Fail: (235) [system] char_type(r, space)
   Call: (235) [system] arg(_239690, v('(', ')', end_of_file), r)
   Fail: (235) [system] arg(_240622, v('(', ')', end_of_file), r)
^  Fail: (234) [user] is_delimiter(r)
   Call: (234) [system] ')'==r
   Fail: (234) [system] ')'==r
   Call: (234) [system] get_char((0x563acd73bee0), r)
   Exit: (234) [system] get_char((0x563acd73bee0), r)
   Call: (234) [system] r=(\)
   Fail: (234) [system] r=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), _247972)
   Call: (235) [system] peek_char((0x563acd73bee0), _248906)
   Exit: (235) [system] peek_char((0x563acd73bee0), o)
^  Call: (235) [user] is_delimiter(o)
   Call: (236) [system] char_type(o, space)
   Fail: (236) [system] char_type(o, space)
   Call: (236) [system] arg(_253626, v('(', ')', end_of_file), o)
   Fail: (236) [system] arg(_254558, v('(', ')', end_of_file), o)
^  Fail: (235) [user] is_delimiter(o)
   Call: (235) [system] ')'==o
   Fail: (235) [system] ')'==o
   Call: (235) [system] get_char((0x563acd73bee0), o)
   Exit: (235) [system] get_char((0x563acd73bee0), o)
   Call: (235) [system] o=(\)
   Fail: (235) [system] o=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), _261908)
   Call: (236) [system] peek_char((0x563acd73bee0), _262842)
   Exit: (236) [system] peek_char((0x563acd73bee0), d)
^  Call: (236) [user] is_delimiter(d)
   Call: (237) [system] char_type(d, space)
   Fail: (237) [system] char_type(d, space)
   Call: (237) [system] arg(_267562, v('(', ')', end_of_file), d)
   Fail: (237) [system] arg(_268494, v('(', ')', end_of_file), d)
^  Fail: (236) [user] is_delimiter(d)
   Call: (236) [system] ')'==d
   Fail: (236) [system] ')'==d
   Call: (236) [system] get_char((0x563acd73bee0), d)
   Exit: (236) [system] get_char((0x563acd73bee0), d)
   Call: (236) [system] d=(\)
   Fail: (236) [system] d=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), _275844)
   Call: (237) [system] peek_char((0x563acd73bee0), _276778)
   Exit: (237) [system] peek_char((0x563acd73bee0), u)
^  Call: (237) [user] is_delimiter(u)
   Call: (238) [system] char_type(u, space)
   Fail: (238) [system] char_type(u, space)
   Call: (238) [system] arg(_281498, v('(', ')', end_of_file), u)
   Fail: (238) [system] arg(_282430, v('(', ')', end_of_file), u)
^  Fail: (237) [user] is_delimiter(u)
   Call: (237) [system] ')'==u
   Fail: (237) [system] ')'==u
   Call: (237) [system] get_char((0x563acd73bee0), u)
   Exit: (237) [system] get_char((0x563acd73bee0), u)
   Call: (237) [system] u=(\)
   Fail: (237) [system] u=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), _289780)
   Call: (238) [system] peek_char((0x563acd73bee0), _290714)
   Exit: (238) [system] peek_char((0x563acd73bee0), c)
^  Call: (238) [user] is_delimiter(c)
   Call: (239) [system] char_type(c, space)
   Fail: (239) [system] char_type(c, space)
   Call: (239) [system] arg(_295434, v('(', ')', end_of_file), c)
   Fail: (239) [system] arg(_296366, v('(', ')', end_of_file), c)
^  Fail: (238) [user] is_delimiter(c)
   Call: (238) [system] ')'==c
   Fail: (238) [system] ')'==c
   Call: (238) [system] get_char((0x563acd73bee0), c)
   Exit: (238) [system] get_char((0x563acd73bee0), c)
   Call: (238) [system] c=(\)
   Fail: (238) [system] c=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x563acd73bee0), _303716)
   Call: (239) [system] peek_char((0x563acd73bee0), _304650)
   Exit: (239) [system] peek_char((0x563acd73bee0), t)
^  Call: (239) [user] is_delimiter(t)
   Call: (240) [system] char_type(t, space)
   Fail: (240) [system] char_type(t, space)
   Call: (240) [system] arg(_309370, v('(', ')', end_of_file), t)
   Fail: (240) [system] arg(_310302, v('(', ')', end_of_file), t)
^  Fail: (239) [user] is_delimiter(t)
   Call: (239) [system] ')'==t
   Fail: (239) [system] ')'==t
   Call: (239) [system] get_char((0x563acd73bee0), t)
   Exit: (239) [system] get_char((0x563acd73bee0), t)
   Call: (239) [system] t=(\)
   Fail: (239) [system] t=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x563acd73bee0), _317652)
   Call: (240) [system] peek_char((0x563acd73bee0), _318586)
   Exit: (240) [system] peek_char((0x563acd73bee0), i)
^  Call: (240) [user] is_delimiter(i)
   Call: (241) [system] char_type(i, space)
   Fail: (241) [system] char_type(i, space)
   Call: (241) [system] arg(_323306, v('(', ')', end_of_file), i)
   Fail: (241) [system] arg(_324238, v('(', ')', end_of_file), i)
^  Fail: (240) [user] is_delimiter(i)
   Call: (240) [system] ')'==i
   Fail: (240) [system] ')'==i
   Call: (240) [system] get_char((0x563acd73bee0), i)
   Exit: (240) [system] get_char((0x563acd73bee0), i)
   Call: (240) [system] i=(\)
   Fail: (240) [system] i=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x563acd73bee0), _331588)
   Call: (241) [system] peek_char((0x563acd73bee0), _332522)
   Exit: (241) [system] peek_char((0x563acd73bee0), o)
^  Call: (241) [user] is_delimiter(o)
   Call: (242) [system] char_type(o, space)
   Fail: (242) [system] char_type(o, space)
   Call: (242) [system] arg(_337242, v('(', ')', end_of_file), o)
   Fail: (242) [system] arg(_338174, v('(', ')', end_of_file), o)
^  Fail: (241) [user] is_delimiter(o)
   Call: (241) [system] ')'==o
   Fail: (241) [system] ')'==o
   Call: (241) [system] get_char((0x563acd73bee0), o)
   Exit: (241) [system] get_char((0x563acd73bee0), o)
   Call: (241) [system] o=(\)
   Fail: (241) [system] o=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x563acd73bee0), _345524)
   Call: (242) [system] peek_char((0x563acd73bee0), _346458)
   Exit: (242) [system] peek_char((0x563acd73bee0), n)
^  Call: (242) [user] is_delimiter(n)
   Call: (243) [system] char_type(n, space)
   Fail: (243) [system] char_type(n, space)
   Call: (243) [system] arg(_351178, v('(', ')', end_of_file), n)
   Fail: (243) [system] arg(_352110, v('(', ')', end_of_file), n)
^  Fail: (242) [user] is_delimiter(n)
   Call: (242) [system] ')'==n
   Fail: (242) [system] ')'==n
   Call: (242) [system] get_char((0x563acd73bee0), n)
   Exit: (242) [system] get_char((0x563acd73bee0), n)
   Call: (242) [system] n=(\)
   Fail: (242) [system] n=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x563acd73bee0), _359460)
   Call: (243) [system] peek_char((0x563acd73bee0), _360394)
   Exit: (243) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (243) [user] is_delimiter(' ')
   Call: (244) [system] char_type(' ', space)
   Exit: (244) [system] char_type(' ', space)
^  Exit: (243) [user] is_delimiter(' ')
   Call: (243) [system] _359460=[]
   Exit: (243) [system] []=[]
^  Exit: (242) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (242) [system] _345524=[n]
   Exit: (242) [system] [n]=[n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (241) [system] _331588=[o, n]
   Exit: (241) [system] [o, n]=[o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (240) [system] _317652=[i, o, n]
   Exit: (240) [system] [i, o, n]=[i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (239) [system] _303716=[t, i, o, n]
   Exit: (239) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (238) [system] _289780=[c, t, i, o, n]
   Exit: (238) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n])
   Call: (237) [system] _275844=[u, c, t, i, o, n]
   Exit: (237) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, i, o, n])
   Call: (236) [system] _261908=[d, u, c, t, i, o, n]
   Exit: (236) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, u, c, t, i, o, n])
   Call: (235) [system] _247972=[o, d, u, c, t, i, o, n]
   Exit: (235) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, d, u, c, t, i, o, n])
   Call: (234) [system] _234036=[r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _220100=[t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _206164=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _192228=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _178292=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _164356=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _150420=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _136484=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _122548=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _108612=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _94676=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _80740=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _66804=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _52868=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (220) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _17358)
^  Call: (221) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _431146)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_432098, _432100), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _431146), _432080, fail)), '$restore_trace'(_432098, _432100))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_432098, _432100))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _431146), _432080, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_431146)
   Fail: (222) [system] atomic(_431146)
   Call: (222) [system] atom_chars(_431146, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (222) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (221) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (221) [system] integer('DisjunctionIntroduction')
   Fail: (221) [system] integer('DisjunctionIntroduction')
   Call: (221) [system] _17358='DisjunctionIntroduction'
   Exit: (221) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (220) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (219) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'DisjunctionIntroduction')
^  Exit: (218) [user] cont_sexpr(')', (0x563acd73bee0), 'DisjunctionIntroduction')
^  Call: (218) [user] read_list(')', (0x563acd73bee0), _446096)
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _447954)
   Exit: (220) [system] peek_char((0x563acd73bee0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x563acd73bee0), _457548)
   Exit: (220) [system] get_char((0x563acd73bee0), ' ')
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _460252)
   Exit: (221) [system] peek_char((0x563acd73bee0), c)
   Call: (221) [system] c=(;)
   Fail: (221) [system] c=(;)
   Call: (221) [system] c=(/)
   Fail: (221) [system] c=(/)
^  Call: (221) [user] is_like_space(c)
   Call: (222) [system] char_type(c, 'white')
   Fail: (222) [system] char_type(c, 'white')
   Call: (222) [system] char_type(c, end_of_line)
   Fail: (222) [system] char_type(c, end_of_line)
   Call: (222) [system] char_type(c, space)
   Fail: (222) [system] char_type(c, space)
   Call: (222) [system] char_type(c, cntrl)
   Fail: (222) [system] char_type(c, cntrl)
^  Fail: (221) [user] is_like_space(c)
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _477186)
   Exit: (219) [system] peek_char((0x563acd73bee0), c)
   Call: (219) [system] c=')'
   Fail: (219) [system] c=')'
   Call: (219) [system] c=end_of_file
   Fail: (219) [system] c=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x563acd73bee0), _482756)
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _484614)
   Exit: (221) [system] peek_char((0x563acd73bee0), c)
   Call: (221) [system] c=(;)
   Fail: (221) [system] c=(;)
   Call: (221) [system] c=(/)
   Fail: (221) [system] c=(/)
^  Call: (221) [user] is_like_space(c)
   Call: (222) [system] char_type(c, 'white')
   Fail: (222) [system] char_type(c, 'white')
   Call: (222) [system] char_type(c, end_of_line)
   Fail: (222) [system] char_type(c, end_of_line)
   Call: (222) [system] char_type(c, space)
   Fail: (222) [system] char_type(c, space)
   Call: (222) [system] char_type(c, cntrl)
   Fail: (222) [system] char_type(c, cntrl)
^  Fail: (221) [user] is_like_space(c)
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] get_char((0x563acd73bee0), _500624)
   Exit: (220) [system] get_char((0x563acd73bee0), c)
   Call: (220) [system] c='('
   Fail: (220) [system] c='('
   Call: (220) [system] c='['
   Fail: (220) [system] c='['
   Call: (220) [system] c='{'
   Fail: (220) [system] c='{'
   Call: (220) [system] c='"'
   Fail: (220) [system] c='"'
   Call: (220) [system] c=!
   Fail: (220) [system] c=!
   Call: (220) [system] c='\''
   Fail: (220) [system] c='\''
   Call: (220) [system] c='`'
   Fail: (220) [system] c='`'
   Call: (220) [system] c=end_of_file
   Fail: (220) [system] c=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x563acd73bee0), c, _482756)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _518266)
   Call: (222) [system] peek_char((0x563acd73bee0), _519200)
   Exit: (222) [system] peek_char((0x563acd73bee0), d)
^  Call: (222) [user] is_delimiter(d)
   Call: (223) [system] char_type(d, space)
   Fail: (223) [system] char_type(d, space)
   Call: (223) [system] arg(_523920, v('(', ')', end_of_file), d)
   Fail: (223) [system] arg(_524852, v('(', ')', end_of_file), d)
^  Fail: (222) [user] is_delimiter(d)
   Call: (222) [system] ')'==d
   Fail: (222) [system] ')'==d
   Call: (222) [system] get_char((0x563acd73bee0), d)
   Exit: (222) [system] get_char((0x563acd73bee0), d)
   Call: (222) [system] d=(\)
   Fail: (222) [system] d=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _532202)
   Call: (223) [system] peek_char((0x563acd73bee0), _533136)
   Exit: (223) [system] peek_char((0x563acd73bee0), e)
^  Call: (223) [user] is_delimiter(e)
   Call: (224) [system] char_type(e, space)
   Fail: (224) [system] char_type(e, space)
   Call: (224) [system] arg(_537856, v('(', ')', end_of_file), e)
   Fail: (224) [system] arg(_538788, v('(', ')', end_of_file), e)
^  Fail: (223) [user] is_delimiter(e)
   Call: (223) [system] ')'==e
   Fail: (223) [system] ')'==e
   Call: (223) [system] get_char((0x563acd73bee0), e)
   Exit: (223) [system] get_char((0x563acd73bee0), e)
   Call: (223) [system] e=(\)
   Fail: (223) [system] e=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _546138)
   Call: (224) [system] peek_char((0x563acd73bee0), _547072)
   Exit: (224) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _546138=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (223) [system] _532202=[e]
   Exit: (223) [system] [e]=[e]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [e])
   Call: (222) [system] _518266=[d, e]
   Exit: (222) [system] [d, e]=[d, e]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, e])
^  Call: (221) [user] classify_and_convert_charseq([c, d, e], _482756)
^  Call: (222) [user] classify_and_convert_charseq_([c, d, e], _561944)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_562896, _562898), once(user:catch(read_from_chars([c, d, e], _561944), _562878, fail)), '$restore_trace'(_562896, _562898))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_562896, _562898))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _562878, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(cde)
   Exit: (223) [system] atomic(cde)
^  Exit: (222) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (222) [system] integer(cde)
   Fail: (222) [system] integer(cde)
   Call: (222) [system] _482756=cde
   Exit: (222) [system] cde=cde
^  Exit: (221) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (220) [user] read_symbolic(')', (0x563acd73bee0), c, cde)
^  Exit: (219) [user] cont_sexpr(')', (0x563acd73bee0), cde)
^  Call: (219) [user] read_list(')', (0x563acd73bee0), _575024)
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _576882)
   Exit: (221) [system] peek_char((0x563acd73bee0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x563acd73bee0), _586476)
   Exit: (221) [system] get_char((0x563acd73bee0), ' ')
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _589180)
   Exit: (222) [system] peek_char((0x563acd73bee0), a)
   Call: (222) [system] a=(;)
   Fail: (222) [system] a=(;)
   Call: (222) [system] a=(/)
   Fail: (222) [system] a=(/)
^  Call: (222) [user] is_like_space(a)
   Call: (223) [system] char_type(a, 'white')
   Fail: (223) [system] char_type(a, 'white')
   Call: (223) [system] char_type(a, end_of_line)
   Fail: (223) [system] char_type(a, end_of_line)
   Call: (223) [system] char_type(a, space)
   Fail: (223) [system] char_type(a, space)
   Call: (223) [system] char_type(a, cntrl)
   Fail: (223) [system] char_type(a, cntrl)
^  Fail: (222) [user] is_like_space(a)
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _606114)
   Exit: (220) [system] peek_char((0x563acd73bee0), a)
   Call: (220) [system] a=')'
   Fail: (220) [system] a=')'
   Call: (220) [system] a=end_of_file
   Fail: (220) [system] a=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x563acd73bee0), _611684)
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _613542)
   Exit: (222) [system] peek_char((0x563acd73bee0), a)
   Call: (222) [system] a=(;)
   Fail: (222) [system] a=(;)
   Call: (222) [system] a=(/)
   Fail: (222) [system] a=(/)
^  Call: (222) [user] is_like_space(a)
   Call: (223) [system] char_type(a, 'white')
   Fail: (223) [system] char_type(a, 'white')
   Call: (223) [system] char_type(a, end_of_line)
   Fail: (223) [system] char_type(a, end_of_line)
   Call: (223) [system] char_type(a, space)
   Fail: (223) [system] char_type(a, space)
   Call: (223) [system] char_type(a, cntrl)
   Fail: (223) [system] char_type(a, cntrl)
^  Fail: (222) [user] is_like_space(a)
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] get_char((0x563acd73bee0), _629552)
   Exit: (221) [system] get_char((0x563acd73bee0), a)
   Call: (221) [system] a='('
   Fail: (221) [system] a='('
   Call: (221) [system] a='['
   Fail: (221) [system] a='['
   Call: (221) [system] a='{'
   Fail: (221) [system] a='{'
   Call: (221) [system] a='"'
   Fail: (221) [system] a='"'
   Call: (221) [system] a=!
   Fail: (221) [system] a=!
   Call: (221) [system] a='\''
   Fail: (221) [system] a='\''
   Call: (221) [system] a='`'
   Fail: (221) [system] a='`'
   Call: (221) [system] a=end_of_file
   Fail: (221) [system] a=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x563acd73bee0), a, _611684)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _647194)
   Call: (223) [system] peek_char((0x563acd73bee0), _648128)
   Exit: (223) [system] peek_char((0x563acd73bee0), b)
^  Call: (223) [user] is_delimiter(b)
   Call: (224) [system] char_type(b, space)
   Fail: (224) [system] char_type(b, space)
   Call: (224) [system] arg(_652848, v('(', ')', end_of_file), b)
   Fail: (224) [system] arg(_653780, v('(', ')', end_of_file), b)
^  Fail: (223) [user] is_delimiter(b)
   Call: (223) [system] ')'==b
   Fail: (223) [system] ')'==b
   Call: (223) [system] get_char((0x563acd73bee0), b)
   Exit: (223) [system] get_char((0x563acd73bee0), b)
   Call: (223) [system] b=(\)
   Fail: (223) [system] b=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _661130)
   Call: (224) [system] peek_char((0x563acd73bee0), _662064)
   Exit: (224) [system] peek_char((0x563acd73bee0), c)
^  Call: (224) [user] is_delimiter(c)
   Call: (225) [system] char_type(c, space)
   Fail: (225) [system] char_type(c, space)
   Call: (225) [system] arg(_666784, v('(', ')', end_of_file), c)
   Fail: (225) [system] arg(_667716, v('(', ')', end_of_file), c)
^  Fail: (224) [user] is_delimiter(c)
   Call: (224) [system] ')'==c
   Fail: (224) [system] ')'==c
   Call: (224) [system] get_char((0x563acd73bee0), c)
   Exit: (224) [system] get_char((0x563acd73bee0), c)
   Call: (224) [system] c=(\)
   Fail: (224) [system] c=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _675066)
   Call: (225) [system] peek_char((0x563acd73bee0), _676000)
   Exit: (225) [system] peek_char((0x563acd73bee0), ')')
^  Call: (225) [user] is_delimiter(')')
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] arg(_680720, v('(', ')', end_of_file), ')')
   Exit: (226) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (225) [user] is_delimiter(')')
   Call: (225) [system] _675066=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (224) [system] _661130=[c]
   Exit: (224) [system] [c]=[c]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [c])
   Call: (223) [system] _647194=[b, c]
   Exit: (223) [system] [b, c]=[b, c]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [b, c])
^  Call: (222) [user] classify_and_convert_charseq([a, b, c], _611684)
^  Call: (223) [user] classify_and_convert_charseq_([a, b, c], _692744)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_693696, _693698), once(user:catch(read_from_chars([a, b, c], _692744), _693678, fail)), '$restore_trace'(_693696, _693698))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_693696, _693698))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _693678, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(abc)
   Exit: (224) [system] atomic(abc)
^  Exit: (223) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (223) [system] integer(abc)
   Fail: (223) [system] integer(abc)
   Call: (223) [system] _611684=abc
   Exit: (223) [system] abc=abc
^  Exit: (222) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (221) [user] read_symbolic(')', (0x563acd73bee0), a, abc)
^  Exit: (220) [user] cont_sexpr(')', (0x563acd73bee0), abc)
^  Call: (220) [user] read_list(')', (0x563acd73bee0), _705824)
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _707682)
   Exit: (222) [system] peek_char((0x563acd73bee0), ')')
   Call: (222) [system] ')'=(;)
   Fail: (222) [system] ')'=(;)
   Call: (222) [system] ')'=(/)
   Fail: (222) [system] ')'=(/)
^  Call: (222) [user] is_like_space(')')
   Call: (223) [system] char_type(')', 'white')
   Fail: (223) [system] char_type(')', 'white')
   Call: (223) [system] char_type(')', end_of_line)
   Fail: (223) [system] char_type(')', end_of_line)
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] char_type(')', cntrl)
   Fail: (223) [system] char_type(')', cntrl)
^  Fail: (222) [user] is_like_space(')')
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _723692)
   Exit: (221) [system] peek_char((0x563acd73bee0), ')')
   Call: (221) [system] ')'=')'
   Exit: (221) [system] ')'=')'
   Call: (221) [system] get_char((0x563acd73bee0), _727482)
   Exit: (221) [system] get_char((0x563acd73bee0), ')')
   Call: (221) [system] _705824=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_list(')', (0x563acd73bee0), [])
   Call: (220) [system] _575024=[abc]
   Exit: (220) [system] [abc]=[abc]
^  Exit: (219) [user] read_list(')', (0x563acd73bee0), [abc])
   Call: (219) [system] _446096=[cde, abc]
   Exit: (219) [system] [cde, abc]=[cde, abc]
^  Exit: (218) [user] read_list(')', (0x563acd73bee0), [cde, abc])
   Call: (218) [system] _5624=['DisjunctionIntroduction', cde, abc]
   Exit: (218) [system] ['DisjunctionIntroduction', cde, abc]=['DisjunctionIntroduction', cde, abc]
^  Exit: (217) [user] read_list(')', (0x563acd73bee0), ['DisjunctionIntroduction', cde, abc])
^  Exit: (216) [user] cont_sexpr(')', (0x563acd73bee0), ['DisjunctionIntroduction', cde, abc])
^  Call: (216) [user] read_list(')', (0x563acd73bee0), _741364)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _743222)
   Exit: (218) [system] peek_char((0x563acd73bee0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x563acd73bee0), _752816)
   Exit: (218) [system] get_char((0x563acd73bee0), ' ')
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _755520)
   Exit: (219) [system] peek_char((0x563acd73bee0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _772454)
   Exit: (217) [system] peek_char((0x563acd73bee0), '(')
   Call: (217) [system] '('=')'
   Fail: (217) [system] '('=')'
   Call: (217) [system] '('=end_of_file
   Fail: (217) [system] '('=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x563acd73bee0), _778024)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _779882)
   Exit: (219) [system] peek_char((0x563acd73bee0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] get_char((0x563acd73bee0), _795892)
   Exit: (218) [system] get_char((0x563acd73bee0), '(')
   Call: (218) [system] '('='('
   Exit: (218) [system] '('='('
^  Call: (218) [user] read_list(')', (0x563acd73bee0), _778024)
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _801462)
   Exit: (220) [system] peek_char((0x563acd73bee0), 'O')
   Call: (220) [system] 'O'=(;)
   Fail: (220) [system] 'O'=(;)
   Call: (220) [system] 'O'=(/)
   Fail: (220) [system] 'O'=(/)
^  Call: (220) [user] is_like_space('O')
   Call: (221) [system] char_type('O', 'white')
   Fail: (221) [system] char_type('O', 'white')
   Call: (221) [system] char_type('O', end_of_line)
   Fail: (221) [system] char_type('O', end_of_line)
   Call: (221) [system] char_type('O', space)
   Fail: (221) [system] char_type('O', space)
   Call: (221) [system] char_type('O', cntrl)
   Fail: (221) [system] char_type('O', cntrl)
^  Fail: (220) [user] is_like_space('O')
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _817472)
   Exit: (219) [system] peek_char((0x563acd73bee0), 'O')
   Call: (219) [system] 'O'=')'
   Fail: (219) [system] 'O'=')'
   Call: (219) [system] 'O'=end_of_file
   Fail: (219) [system] 'O'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x563acd73bee0), _823042)
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _824900)
   Exit: (221) [system] peek_char((0x563acd73bee0), 'O')
   Call: (221) [system] 'O'=(;)
   Fail: (221) [system] 'O'=(;)
   Call: (221) [system] 'O'=(/)
   Fail: (221) [system] 'O'=(/)
^  Call: (221) [user] is_like_space('O')
   Call: (222) [system] char_type('O', 'white')
   Fail: (222) [system] char_type('O', 'white')
   Call: (222) [system] char_type('O', end_of_line)
   Fail: (222) [system] char_type('O', end_of_line)
   Call: (222) [system] char_type('O', space)
   Fail: (222) [system] char_type('O', space)
   Call: (222) [system] char_type('O', cntrl)
   Fail: (222) [system] char_type('O', cntrl)
^  Fail: (221) [user] is_like_space('O')
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] get_char((0x563acd73bee0), _840910)
   Exit: (220) [system] get_char((0x563acd73bee0), 'O')
   Call: (220) [system] 'O'='('
   Fail: (220) [system] 'O'='('
   Call: (220) [system] 'O'='['
   Fail: (220) [system] 'O'='['
   Call: (220) [system] 'O'='{'
   Fail: (220) [system] 'O'='{'
   Call: (220) [system] 'O'='"'
   Fail: (220) [system] 'O'='"'
   Call: (220) [system] 'O'=!
   Fail: (220) [system] 'O'=!
   Call: (220) [system] 'O'='\''
   Fail: (220) [system] 'O'='\''
   Call: (220) [system] 'O'='`'
   Fail: (220) [system] 'O'='`'
   Call: (220) [system] 'O'=end_of_file
   Fail: (220) [system] 'O'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x563acd73bee0), 'O', _823042)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _858552)
   Call: (222) [system] peek_char((0x563acd73bee0), _859486)
   Exit: (222) [system] peek_char((0x563acd73bee0), r)
^  Call: (222) [user] is_delimiter(r)
   Call: (223) [system] char_type(r, space)
   Fail: (223) [system] char_type(r, space)
   Call: (223) [system] arg(_864206, v('(', ')', end_of_file), r)
   Fail: (223) [system] arg(_865138, v('(', ')', end_of_file), r)
^  Fail: (222) [user] is_delimiter(r)
   Call: (222) [system] ')'==r
   Fail: (222) [system] ')'==r
   Call: (222) [system] get_char((0x563acd73bee0), r)
   Exit: (222) [system] get_char((0x563acd73bee0), r)
   Call: (222) [system] r=(\)
   Fail: (222) [system] r=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _872488)
   Call: (223) [system] peek_char((0x563acd73bee0), _873422)
   Exit: (223) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (223) [user] is_delimiter('L')
   Call: (224) [system] char_type('L', space)
   Fail: (224) [system] char_type('L', space)
   Call: (224) [system] arg(_878142, v('(', ')', end_of_file), 'L')
   Fail: (224) [system] arg(_879074, v('(', ')', end_of_file), 'L')
^  Fail: (223) [user] is_delimiter('L')
   Call: (223) [system] ')'=='L'
   Fail: (223) [system] ')'=='L'
   Call: (223) [system] get_char((0x563acd73bee0), 'L')
   Exit: (223) [system] get_char((0x563acd73bee0), 'L')
   Call: (223) [system] 'L'=(\)
   Fail: (223) [system] 'L'=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _886424)
   Call: (224) [system] peek_char((0x563acd73bee0), _887358)
   Exit: (224) [system] peek_char((0x563acd73bee0), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Fail: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_892078, v('(', ')', end_of_file), i)
   Fail: (225) [system] arg(_893010, v('(', ')', end_of_file), i)
^  Fail: (224) [user] is_delimiter(i)
   Call: (224) [system] ')'==i
   Fail: (224) [system] ')'==i
   Call: (224) [system] get_char((0x563acd73bee0), i)
   Exit: (224) [system] get_char((0x563acd73bee0), i)
   Call: (224) [system] i=(\)
   Fail: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _900360)
   Call: (225) [system] peek_char((0x563acd73bee0), _901294)
   Exit: (225) [system] peek_char((0x563acd73bee0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_906014, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_906946, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x563acd73bee0), n)
   Exit: (225) [system] get_char((0x563acd73bee0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _914296)
   Call: (226) [system] peek_char((0x563acd73bee0), _915230)
   Exit: (226) [system] peek_char((0x563acd73bee0), k)
^  Call: (226) [user] is_delimiter(k)
   Call: (227) [system] char_type(k, space)
   Fail: (227) [system] char_type(k, space)
   Call: (227) [system] arg(_919950, v('(', ')', end_of_file), k)
   Fail: (227) [system] arg(_920882, v('(', ')', end_of_file), k)
^  Fail: (226) [user] is_delimiter(k)
   Call: (226) [system] ')'==k
   Fail: (226) [system] ')'==k
   Call: (226) [system] get_char((0x563acd73bee0), k)
   Exit: (226) [system] get_char((0x563acd73bee0), k)
   Call: (226) [system] k=(\)
   Fail: (226) [system] k=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _928232)
   Call: (227) [system] peek_char((0x563acd73bee0), _929166)
   Exit: (227) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _928232=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (226) [system] _914296=[k]
   Exit: (226) [system] [k]=[k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (225) [system] _900360=[n, k]
   Exit: (225) [system] [n, k]=[n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (224) [system] _886424=[i, n, k]
   Exit: (224) [system] [i, n, k]=[i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (223) [system] _872488=['L', i, n, k]
   Exit: (223) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (222) [system] _858552=[r, 'L', i, n, k]
   Exit: (222) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (221) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _823042)
^  Call: (222) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _952420)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_953372, _953374), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _952420), _953354, fail)), '$restore_trace'(_953372, _953374))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_953372, _953374))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _952420), _953354, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_952420)
   Fail: (223) [system] atomic(_952420)
   Call: (223) [system] atom_chars(_952420, ['O', r, 'L', i, n, k])
   Exit: (223) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (222) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (222) [system] integer('OrLink')
   Fail: (222) [system] integer('OrLink')
   Call: (222) [system] _823042='OrLink'
   Exit: (222) [system] 'OrLink'='OrLink'
^  Exit: (221) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (220) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (219) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (219) [user] read_list(')', (0x563acd73bee0), _967370)
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _969228)
   Exit: (221) [system] peek_char((0x563acd73bee0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x563acd73bee0), _978822)
   Exit: (221) [system] get_char((0x563acd73bee0), ' ')
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _981526)
   Exit: (222) [system] peek_char((0x563acd73bee0), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
   Call: (222) [system] '('=(/)
   Fail: (222) [system] '('=(/)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _998460)
   Exit: (220) [system] peek_char((0x563acd73bee0), '(')
   Call: (220) [system] '('=')'
   Fail: (220) [system] '('=')'
   Call: (220) [system] '('=end_of_file
   Fail: (220) [system] '('=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x563acd73bee0), _1004030)
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _1005888)
   Exit: (222) [system] peek_char((0x563acd73bee0), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
   Call: (222) [system] '('=(/)
   Fail: (222) [system] '('=(/)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] get_char((0x563acd73bee0), _1021898)
   Exit: (221) [system] get_char((0x563acd73bee0), '(')
   Call: (221) [system] '('='('
   Exit: (221) [system] '('='('
^  Call: (221) [user] read_list(')', (0x563acd73bee0), _1004030)
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _1027468)
   Exit: (223) [system] peek_char((0x563acd73bee0), 'I')
   Call: (223) [system] 'I'=(;)
   Fail: (223) [system] 'I'=(;)
   Call: (223) [system] 'I'=(/)
   Fail: (223) [system] 'I'=(/)
^  Call: (223) [user] is_like_space('I')
   Call: (224) [system] char_type('I', 'white')
   Fail: (224) [system] char_type('I', 'white')
   Call: (224) [system] char_type('I', end_of_line)
   Fail: (224) [system] char_type('I', end_of_line)
   Call: (224) [system] char_type('I', space)
   Fail: (224) [system] char_type('I', space)
   Call: (224) [system] char_type('I', cntrl)
   Fail: (224) [system] char_type('I', cntrl)
^  Fail: (223) [user] is_like_space('I')
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _1043478)
   Exit: (222) [system] peek_char((0x563acd73bee0), 'I')
   Call: (222) [system] 'I'=')'
   Fail: (222) [system] 'I'=')'
   Call: (222) [system] 'I'=end_of_file
   Fail: (222) [system] 'I'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x563acd73bee0), _1049048)
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _1050906)
   Exit: (224) [system] peek_char((0x563acd73bee0), 'I')
   Call: (224) [system] 'I'=(;)
   Fail: (224) [system] 'I'=(;)
   Call: (224) [system] 'I'=(/)
   Fail: (224) [system] 'I'=(/)
^  Call: (224) [user] is_like_space('I')
   Call: (225) [system] char_type('I', 'white')
   Fail: (225) [system] char_type('I', 'white')
   Call: (225) [system] char_type('I', end_of_line)
   Fail: (225) [system] char_type('I', end_of_line)
   Call: (225) [system] char_type('I', space)
   Fail: (225) [system] char_type('I', space)
   Call: (225) [system] char_type('I', cntrl)
   Fail: (225) [system] char_type('I', cntrl)
^  Fail: (224) [user] is_like_space('I')
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] get_char((0x563acd73bee0), _1066916)
   Exit: (223) [system] get_char((0x563acd73bee0), 'I')
   Call: (223) [system] 'I'='('
   Fail: (223) [system] 'I'='('
   Call: (223) [system] 'I'='['
   Fail: (223) [system] 'I'='['
   Call: (223) [system] 'I'='{'
   Fail: (223) [system] 'I'='{'
   Call: (223) [system] 'I'='"'
   Fail: (223) [system] 'I'='"'
   Call: (223) [system] 'I'=!
   Fail: (223) [system] 'I'=!
   Call: (223) [system] 'I'='\''
   Fail: (223) [system] 'I'='\''
   Call: (223) [system] 'I'='`'
   Fail: (223) [system] 'I'='`'
   Call: (223) [system] 'I'=end_of_file
   Fail: (223) [system] 'I'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x563acd73bee0), 'I', _1049048)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _1084558)
   Call: (225) [system] peek_char((0x563acd73bee0), _1085492)
   Exit: (225) [system] peek_char((0x563acd73bee0), m)
^  Call: (225) [user] is_delimiter(m)
   Call: (226) [system] char_type(m, space)
   Fail: (226) [system] char_type(m, space)
   Call: (226) [system] arg(_1090212, v('(', ')', end_of_file), m)
   Fail: (226) [system] arg(_1091144, v('(', ')', end_of_file), m)
^  Fail: (225) [user] is_delimiter(m)
   Call: (225) [system] ')'==m
   Fail: (225) [system] ')'==m
   Call: (225) [system] get_char((0x563acd73bee0), m)
   Exit: (225) [system] get_char((0x563acd73bee0), m)
   Call: (225) [system] m=(\)
   Fail: (225) [system] m=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _1098494)
   Call: (226) [system] peek_char((0x563acd73bee0), _1099428)
   Exit: (226) [system] peek_char((0x563acd73bee0), p)
^  Call: (226) [user] is_delimiter(p)
   Call: (227) [system] char_type(p, space)
   Fail: (227) [system] char_type(p, space)
   Call: (227) [system] arg(_1104148, v('(', ')', end_of_file), p)
   Fail: (227) [system] arg(_1105080, v('(', ')', end_of_file), p)
^  Fail: (226) [user] is_delimiter(p)
   Call: (226) [system] ')'==p
   Fail: (226) [system] ')'==p
   Call: (226) [system] get_char((0x563acd73bee0), p)
   Exit: (226) [system] get_char((0x563acd73bee0), p)
   Call: (226) [system] p=(\)
   Fail: (226) [system] p=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _1112430)
   Call: (227) [system] peek_char((0x563acd73bee0), _1113364)
   Exit: (227) [system] peek_char((0x563acd73bee0), l)
^  Call: (227) [user] is_delimiter(l)
   Call: (228) [system] char_type(l, space)
   Fail: (228) [system] char_type(l, space)
   Call: (228) [system] arg(_1118084, v('(', ')', end_of_file), l)
   Fail: (228) [system] arg(_1119016, v('(', ')', end_of_file), l)
^  Fail: (227) [user] is_delimiter(l)
   Call: (227) [system] ')'==l
   Fail: (227) [system] ')'==l
   Call: (227) [system] get_char((0x563acd73bee0), l)
   Exit: (227) [system] get_char((0x563acd73bee0), l)
   Call: (227) [system] l=(\)
   Fail: (227) [system] l=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _1126366)
   Call: (228) [system] peek_char((0x563acd73bee0), _1127300)
   Exit: (228) [system] peek_char((0x563acd73bee0), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_1132020, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_1132952, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x563acd73bee0), i)
   Exit: (228) [system] get_char((0x563acd73bee0), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _1140302)
   Call: (229) [system] peek_char((0x563acd73bee0), _1141236)
   Exit: (229) [system] peek_char((0x563acd73bee0), c)
^  Call: (229) [user] is_delimiter(c)
   Call: (230) [system] char_type(c, space)
   Fail: (230) [system] char_type(c, space)
   Call: (230) [system] arg(_1145956, v('(', ')', end_of_file), c)
   Fail: (230) [system] arg(_1146888, v('(', ')', end_of_file), c)
^  Fail: (229) [user] is_delimiter(c)
   Call: (229) [system] ')'==c
   Fail: (229) [system] ')'==c
   Call: (229) [system] get_char((0x563acd73bee0), c)
   Exit: (229) [system] get_char((0x563acd73bee0), c)
   Call: (229) [system] c=(\)
   Fail: (229) [system] c=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _1154238)
   Call: (230) [system] peek_char((0x563acd73bee0), _1155172)
   Exit: (230) [system] peek_char((0x563acd73bee0), a)
^  Call: (230) [user] is_delimiter(a)
   Call: (231) [system] char_type(a, space)
   Fail: (231) [system] char_type(a, space)
   Call: (231) [system] arg(_1159892, v('(', ')', end_of_file), a)
   Fail: (231) [system] arg(_1160824, v('(', ')', end_of_file), a)
^  Fail: (230) [user] is_delimiter(a)
   Call: (230) [system] ')'==a
   Fail: (230) [system] ')'==a
   Call: (230) [system] get_char((0x563acd73bee0), a)
   Exit: (230) [system] get_char((0x563acd73bee0), a)
   Call: (230) [system] a=(\)
   Fail: (230) [system] a=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _1168174)
   Call: (231) [system] peek_char((0x563acd73bee0), _1169108)
   Exit: (231) [system] peek_char((0x563acd73bee0), t)
^  Call: (231) [user] is_delimiter(t)
   Call: (232) [system] char_type(t, space)
   Fail: (232) [system] char_type(t, space)
   Call: (232) [system] arg(_1173828, v('(', ')', end_of_file), t)
   Fail: (232) [system] arg(_1174760, v('(', ')', end_of_file), t)
^  Fail: (231) [user] is_delimiter(t)
   Call: (231) [system] ')'==t
   Fail: (231) [system] ')'==t
   Call: (231) [system] get_char((0x563acd73bee0), t)
   Exit: (231) [system] get_char((0x563acd73bee0), t)
   Call: (231) [system] t=(\)
   Fail: (231) [system] t=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _1182110)
   Call: (232) [system] peek_char((0x563acd73bee0), _1183044)
   Exit: (232) [system] peek_char((0x563acd73bee0), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Fail: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_1187764, v('(', ')', end_of_file), i)
   Fail: (233) [system] arg(_1188696, v('(', ')', end_of_file), i)
^  Fail: (232) [user] is_delimiter(i)
   Call: (232) [system] ')'==i
   Fail: (232) [system] ')'==i
   Call: (232) [system] get_char((0x563acd73bee0), i)
   Exit: (232) [system] get_char((0x563acd73bee0), i)
   Call: (232) [system] i=(\)
   Fail: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _1196046)
   Call: (233) [system] peek_char((0x563acd73bee0), _1196980)
   Exit: (233) [system] peek_char((0x563acd73bee0), o)
^  Call: (233) [user] is_delimiter(o)
   Call: (234) [system] char_type(o, space)
   Fail: (234) [system] char_type(o, space)
   Call: (234) [system] arg(_1201700, v('(', ')', end_of_file), o)
   Fail: (234) [system] arg(_1202632, v('(', ')', end_of_file), o)
^  Fail: (233) [user] is_delimiter(o)
   Call: (233) [system] ')'==o
   Fail: (233) [system] ')'==o
   Call: (233) [system] get_char((0x563acd73bee0), o)
   Exit: (233) [system] get_char((0x563acd73bee0), o)
   Call: (233) [system] o=(\)
   Fail: (233) [system] o=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), _1209982)
   Call: (234) [system] peek_char((0x563acd73bee0), _1210916)
   Exit: (234) [system] peek_char((0x563acd73bee0), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Fail: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_1215636, v('(', ')', end_of_file), n)
   Fail: (235) [system] arg(_1216568, v('(', ')', end_of_file), n)
^  Fail: (234) [user] is_delimiter(n)
   Call: (234) [system] ')'==n
   Fail: (234) [system] ')'==n
   Call: (234) [system] get_char((0x563acd73bee0), n)
   Exit: (234) [system] get_char((0x563acd73bee0), n)
   Call: (234) [system] n=(\)
   Fail: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), _1223918)
   Call: (235) [system] peek_char((0x563acd73bee0), _1224852)
   Exit: (235) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (235) [user] is_delimiter(' ')
   Call: (236) [system] char_type(' ', space)
   Exit: (236) [system] char_type(' ', space)
^  Exit: (235) [user] is_delimiter(' ')
   Call: (235) [system] _1223918=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (234) [system] _1209982=[n]
   Exit: (234) [system] [n]=[n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (233) [system] _1196046=[o, n]
   Exit: (233) [system] [o, n]=[o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (232) [system] _1182110=[i, o, n]
   Exit: (232) [system] [i, o, n]=[i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (231) [system] _1168174=[t, i, o, n]
   Exit: (231) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (230) [system] _1154238=[a, t, i, o, n]
   Exit: (230) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (229) [system] _1140302=[c, a, t, i, o, n]
   Exit: (229) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (228) [system] _1126366=[i, c, a, t, i, o, n]
   Exit: (228) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (227) [system] _1112430=[l, i, c, a, t, i, o, n]
   Exit: (227) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (226) [system] _1098494=[p, l, i, c, a, t, i, o, n]
   Exit: (226) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (225) [system] _1084558=[m, p, l, i, c, a, t, i, o, n]
   Exit: (225) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (224) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1049048)
^  Call: (225) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1262076)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1263028, _1263030), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1262076), _1263010, fail)), '$restore_trace'(_1263028, _1263030))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1263028, _1263030))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1262076), _1263010, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_1262076)
   Fail: (226) [system] atomic(_1262076)
   Call: (226) [system] atom_chars(_1262076, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (226) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (225) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (225) [system] integer('Implication')
   Fail: (225) [system] integer('Implication')
   Call: (225) [system] _1049048='Implication'
   Exit: (225) [system] 'Implication'='Implication'
^  Exit: (224) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (223) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (222) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (222) [user] read_list(')', (0x563acd73bee0), _1277026)
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _1278884)
   Exit: (224) [system] peek_char((0x563acd73bee0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x563acd73bee0), _1288478)
   Exit: (224) [system] get_char((0x563acd73bee0), ' ')
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _1291182)
   Exit: (225) [system] peek_char((0x563acd73bee0), '(')
   Call: (225) [system] '('=(;)
   Fail: (225) [system] '('=(;)
   Call: (225) [system] '('=(/)
   Fail: (225) [system] '('=(/)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Fail: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Fail: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Fail: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
   Fail: (226) [system] char_type('(', cntrl)
^  Fail: (225) [user] is_like_space('(')
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _1308116)
   Exit: (223) [system] peek_char((0x563acd73bee0), '(')
   Call: (223) [system] '('=')'
   Fail: (223) [system] '('=')'
   Call: (223) [system] '('=end_of_file
   Fail: (223) [system] '('=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x563acd73bee0), _1313686)
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _1315544)
   Exit: (225) [system] peek_char((0x563acd73bee0), '(')
   Call: (225) [system] '('=(;)
   Fail: (225) [system] '('=(;)
   Call: (225) [system] '('=(/)
   Fail: (225) [system] '('=(/)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Fail: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Fail: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Fail: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
   Fail: (226) [system] char_type('(', cntrl)
^  Fail: (225) [user] is_like_space('(')
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] get_char((0x563acd73bee0), _1331554)
   Exit: (224) [system] get_char((0x563acd73bee0), '(')
   Call: (224) [system] '('='('
   Exit: (224) [system] '('='('
^  Call: (224) [user] read_list(')', (0x563acd73bee0), _1313686)
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _1337124)
   Exit: (226) [system] peek_char((0x563acd73bee0), 'O')
   Call: (226) [system] 'O'=(;)
   Fail: (226) [system] 'O'=(;)
   Call: (226) [system] 'O'=(/)
   Fail: (226) [system] 'O'=(/)
^  Call: (226) [user] is_like_space('O')
   Call: (227) [system] char_type('O', 'white')
   Fail: (227) [system] char_type('O', 'white')
   Call: (227) [system] char_type('O', end_of_line)
   Fail: (227) [system] char_type('O', end_of_line)
   Call: (227) [system] char_type('O', space)
   Fail: (227) [system] char_type('O', space)
   Call: (227) [system] char_type('O', cntrl)
   Fail: (227) [system] char_type('O', cntrl)
^  Fail: (226) [user] is_like_space('O')
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _1353134)
   Exit: (225) [system] peek_char((0x563acd73bee0), 'O')
   Call: (225) [system] 'O'=')'
   Fail: (225) [system] 'O'=')'
   Call: (225) [system] 'O'=end_of_file
   Fail: (225) [system] 'O'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x563acd73bee0), _1358704)
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _1360562)
   Exit: (227) [system] peek_char((0x563acd73bee0), 'O')
   Call: (227) [system] 'O'=(;)
   Fail: (227) [system] 'O'=(;)
   Call: (227) [system] 'O'=(/)
   Fail: (227) [system] 'O'=(/)
^  Call: (227) [user] is_like_space('O')
   Call: (228) [system] char_type('O', 'white')
   Fail: (228) [system] char_type('O', 'white')
   Call: (228) [system] char_type('O', end_of_line)
   Fail: (228) [system] char_type('O', end_of_line)
   Call: (228) [system] char_type('O', space)
   Fail: (228) [system] char_type('O', space)
   Call: (228) [system] char_type('O', cntrl)
   Fail: (228) [system] char_type('O', cntrl)
^  Fail: (227) [user] is_like_space('O')
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] get_char((0x563acd73bee0), _1376572)
   Exit: (226) [system] get_char((0x563acd73bee0), 'O')
   Call: (226) [system] 'O'='('
   Fail: (226) [system] 'O'='('
   Call: (226) [system] 'O'='['
   Fail: (226) [system] 'O'='['
   Call: (226) [system] 'O'='{'
   Fail: (226) [system] 'O'='{'
   Call: (226) [system] 'O'='"'
   Fail: (226) [system] 'O'='"'
   Call: (226) [system] 'O'=!
   Fail: (226) [system] 'O'=!
   Call: (226) [system] 'O'='\''
   Fail: (226) [system] 'O'='\''
   Call: (226) [system] 'O'='`'
   Fail: (226) [system] 'O'='`'
   Call: (226) [system] 'O'=end_of_file
   Fail: (226) [system] 'O'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x563acd73bee0), 'O', _1358704)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _1394214)
   Call: (228) [system] peek_char((0x563acd73bee0), _1395148)
   Exit: (228) [system] peek_char((0x563acd73bee0), r)
^  Call: (228) [user] is_delimiter(r)
   Call: (229) [system] char_type(r, space)
   Fail: (229) [system] char_type(r, space)
   Call: (229) [system] arg(_1399868, v('(', ')', end_of_file), r)
   Fail: (229) [system] arg(_1400800, v('(', ')', end_of_file), r)
^  Fail: (228) [user] is_delimiter(r)
   Call: (228) [system] ')'==r
   Fail: (228) [system] ')'==r
   Call: (228) [system] get_char((0x563acd73bee0), r)
   Exit: (228) [system] get_char((0x563acd73bee0), r)
   Call: (228) [system] r=(\)
   Fail: (228) [system] r=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _1408150)
   Call: (229) [system] peek_char((0x563acd73bee0), _1409084)
   Exit: (229) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (229) [user] is_delimiter('L')
   Call: (230) [system] char_type('L', space)
   Fail: (230) [system] char_type('L', space)
   Call: (230) [system] arg(_1413804, v('(', ')', end_of_file), 'L')
   Fail: (230) [system] arg(_1414736, v('(', ')', end_of_file), 'L')
^  Fail: (229) [user] is_delimiter('L')
   Call: (229) [system] ')'=='L'
   Fail: (229) [system] ')'=='L'
   Call: (229) [system] get_char((0x563acd73bee0), 'L')
   Exit: (229) [system] get_char((0x563acd73bee0), 'L')
   Call: (229) [system] 'L'=(\)
   Fail: (229) [system] 'L'=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _1422086)
   Call: (230) [system] peek_char((0x563acd73bee0), _1423020)
   Exit: (230) [system] peek_char((0x563acd73bee0), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Fail: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_1427740, v('(', ')', end_of_file), i)
   Fail: (231) [system] arg(_1428672, v('(', ')', end_of_file), i)
^  Fail: (230) [user] is_delimiter(i)
   Call: (230) [system] ')'==i
   Fail: (230) [system] ')'==i
   Call: (230) [system] get_char((0x563acd73bee0), i)
   Exit: (230) [system] get_char((0x563acd73bee0), i)
   Call: (230) [system] i=(\)
   Fail: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _1436022)
   Call: (231) [system] peek_char((0x563acd73bee0), _1436956)
   Exit: (231) [system] peek_char((0x563acd73bee0), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_1441676, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_1442608, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x563acd73bee0), n)
   Exit: (231) [system] get_char((0x563acd73bee0), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _1449958)
   Call: (232) [system] peek_char((0x563acd73bee0), _1450892)
   Exit: (232) [system] peek_char((0x563acd73bee0), k)
^  Call: (232) [user] is_delimiter(k)
   Call: (233) [system] char_type(k, space)
   Fail: (233) [system] char_type(k, space)
   Call: (233) [system] arg(_1455612, v('(', ')', end_of_file), k)
   Fail: (233) [system] arg(_1456544, v('(', ')', end_of_file), k)
^  Fail: (232) [user] is_delimiter(k)
   Call: (232) [system] ')'==k
   Fail: (232) [system] ')'==k
   Call: (232) [system] get_char((0x563acd73bee0), k)
   Exit: (232) [system] get_char((0x563acd73bee0), k)
   Call: (232) [system] k=(\)
   Fail: (232) [system] k=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _1463894)
   Call: (233) [system] peek_char((0x563acd73bee0), _1464828)
   Exit: (233) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _1463894=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (232) [system] _1449958=[k]
   Exit: (232) [system] [k]=[k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (231) [system] _1436022=[n, k]
   Exit: (231) [system] [n, k]=[n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (230) [system] _1422086=[i, n, k]
   Exit: (230) [system] [i, n, k]=[i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (229) [system] _1408150=['L', i, n, k]
   Exit: (229) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (228) [system] _1394214=[r, 'L', i, n, k]
   Exit: (228) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (227) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1358704)
^  Call: (228) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1488082)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_1489034, _1489036), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1488082), _1489016, fail)), '$restore_trace'(_1489034, _1489036))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_1489034, _1489036))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1488082), _1489016, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_1488082)
   Fail: (229) [system] atomic(_1488082)
   Call: (229) [system] atom_chars(_1488082, ['O', r, 'L', i, n, k])
   Exit: (229) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (228) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (228) [system] integer('OrLink')
   Fail: (228) [system] integer('OrLink')
   Call: (228) [system] _1358704='OrLink'
   Exit: (228) [system] 'OrLink'='OrLink'
^  Exit: (227) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (226) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (225) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (225) [user] read_list(')', (0x563acd73bee0), _1503032)
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _1504890)
   Exit: (227) [system] peek_char((0x563acd73bee0), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
   Call: (227) [system] ' '=(/)
   Fail: (227) [system] ' '=(/)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x563acd73bee0), _1514484)
   Exit: (227) [system] get_char((0x563acd73bee0), ' ')
^  Call: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _1517188)
   Exit: (228) [system] peek_char((0x563acd73bee0), 'C')
   Call: (228) [system] 'C'=(;)
   Fail: (228) [system] 'C'=(;)
   Call: (228) [system] 'C'=(/)
   Fail: (228) [system] 'C'=(/)
^  Call: (228) [user] is_like_space('C')
   Call: (229) [system] char_type('C', 'white')
   Fail: (229) [system] char_type('C', 'white')
   Call: (229) [system] char_type('C', end_of_line)
   Fail: (229) [system] char_type('C', end_of_line)
   Call: (229) [system] char_type('C', space)
   Fail: (229) [system] char_type('C', space)
   Call: (229) [system] char_type('C', cntrl)
   Fail: (229) [system] char_type('C', cntrl)
^  Fail: (228) [user] is_like_space('C')
^  Exit: (227) [user] skip_spaces((0x563acd73bee0))
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _1534122)
   Exit: (226) [system] peek_char((0x563acd73bee0), 'C')
   Call: (226) [system] 'C'=')'
   Fail: (226) [system] 'C'=')'
   Call: (226) [system] 'C'=end_of_file
   Fail: (226) [system] 'C'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x563acd73bee0), _1539692)
^  Call: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _1541550)
   Exit: (228) [system] peek_char((0x563acd73bee0), 'C')
   Call: (228) [system] 'C'=(;)
   Fail: (228) [system] 'C'=(;)
   Call: (228) [system] 'C'=(/)
   Fail: (228) [system] 'C'=(/)
^  Call: (228) [user] is_like_space('C')
   Call: (229) [system] char_type('C', 'white')
   Fail: (229) [system] char_type('C', 'white')
   Call: (229) [system] char_type('C', end_of_line)
   Fail: (229) [system] char_type('C', end_of_line)
   Call: (229) [system] char_type('C', space)
   Fail: (229) [system] char_type('C', space)
   Call: (229) [system] char_type('C', cntrl)
   Fail: (229) [system] char_type('C', cntrl)
^  Fail: (228) [user] is_like_space('C')
^  Exit: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] get_char((0x563acd73bee0), _1557560)
   Exit: (227) [system] get_char((0x563acd73bee0), 'C')
   Call: (227) [system] 'C'='('
   Fail: (227) [system] 'C'='('
   Call: (227) [system] 'C'='['
   Fail: (227) [system] 'C'='['
   Call: (227) [system] 'C'='{'
   Fail: (227) [system] 'C'='{'
   Call: (227) [system] 'C'='"'
   Fail: (227) [system] 'C'='"'
   Call: (227) [system] 'C'=!
   Fail: (227) [system] 'C'=!
   Call: (227) [system] 'C'='\''
   Fail: (227) [system] 'C'='\''
   Call: (227) [system] 'C'='`'
   Fail: (227) [system] 'C'='`'
   Call: (227) [system] 'C'=end_of_file
   Fail: (227) [system] 'C'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x563acd73bee0), 'C', _1539692)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _1575202)
   Call: (229) [system] peek_char((0x563acd73bee0), _1576136)
   Exit: (229) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _1575202=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (228) [user] classify_and_convert_charseq(['C'], _1539692)
^  Call: (229) [user] classify_and_convert_charseq_(['C'], _1585420)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_1586372, _1586374), once(user:catch(read_from_chars(['C'], _1585420), _1586354, fail)), '$restore_trace'(_1586372, _1586374))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_1586372, _1586374))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1585420), _1586354, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_1585420)
   Fail: (230) [system] atomic(_1585420)
   Call: (230) [system] atom_chars(_1585420, ['C'])
   Exit: (230) [system] atom_chars('C', ['C'])
^  Exit: (229) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (229) [system] integer('C')
   Fail: (229) [system] integer('C')
   Call: (229) [system] _1539692='C'
   Exit: (229) [system] 'C'='C'
^  Exit: (228) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (227) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (226) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (226) [user] read_list(')', (0x563acd73bee0), _1600370)
^  Call: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _1602228)
   Exit: (228) [system] peek_char((0x563acd73bee0), ' ')
   Call: (228) [system] ' '=(;)
   Fail: (228) [system] ' '=(;)
   Call: (228) [system] ' '=(/)
   Fail: (228) [system] ' '=(/)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x563acd73bee0), _1611822)
   Exit: (228) [system] get_char((0x563acd73bee0), ' ')
^  Call: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] peek_char((0x563acd73bee0), _1614526)
   Exit: (229) [system] peek_char((0x563acd73bee0), 'D')
   Call: (229) [system] 'D'=(;)
   Fail: (229) [system] 'D'=(;)
   Call: (229) [system] 'D'=(/)
   Fail: (229) [system] 'D'=(/)
^  Call: (229) [user] is_like_space('D')
   Call: (230) [system] char_type('D', 'white')
   Fail: (230) [system] char_type('D', 'white')
   Call: (230) [system] char_type('D', end_of_line)
   Fail: (230) [system] char_type('D', end_of_line)
   Call: (230) [system] char_type('D', space)
   Fail: (230) [system] char_type('D', space)
   Call: (230) [system] char_type('D', cntrl)
   Fail: (230) [system] char_type('D', cntrl)
^  Fail: (229) [user] is_like_space('D')
^  Exit: (228) [user] skip_spaces((0x563acd73bee0))
^  Exit: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _1631460)
   Exit: (227) [system] peek_char((0x563acd73bee0), 'D')
   Call: (227) [system] 'D'=')'
   Fail: (227) [system] 'D'=')'
   Call: (227) [system] 'D'=end_of_file
   Fail: (227) [system] 'D'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x563acd73bee0), _1637030)
^  Call: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] peek_char((0x563acd73bee0), _1638888)
   Exit: (229) [system] peek_char((0x563acd73bee0), 'D')
   Call: (229) [system] 'D'=(;)
   Fail: (229) [system] 'D'=(;)
   Call: (229) [system] 'D'=(/)
   Fail: (229) [system] 'D'=(/)
^  Call: (229) [user] is_like_space('D')
   Call: (230) [system] char_type('D', 'white')
   Fail: (230) [system] char_type('D', 'white')
   Call: (230) [system] char_type('D', end_of_line)
   Fail: (230) [system] char_type('D', end_of_line)
   Call: (230) [system] char_type('D', space)
   Fail: (230) [system] char_type('D', space)
   Call: (230) [system] char_type('D', cntrl)
   Fail: (230) [system] char_type('D', cntrl)
^  Fail: (229) [user] is_like_space('D')
^  Exit: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] get_char((0x563acd73bee0), _1654898)
   Exit: (228) [system] get_char((0x563acd73bee0), 'D')
   Call: (228) [system] 'D'='('
   Fail: (228) [system] 'D'='('
   Call: (228) [system] 'D'='['
   Fail: (228) [system] 'D'='['
   Call: (228) [system] 'D'='{'
   Fail: (228) [system] 'D'='{'
   Call: (228) [system] 'D'='"'
   Fail: (228) [system] 'D'='"'
   Call: (228) [system] 'D'=!
   Fail: (228) [system] 'D'=!
   Call: (228) [system] 'D'='\''
   Fail: (228) [system] 'D'='\''
   Call: (228) [system] 'D'='`'
   Fail: (228) [system] 'D'='`'
   Call: (228) [system] 'D'=end_of_file
   Fail: (228) [system] 'D'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x563acd73bee0), 'D', _1637030)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _1672540)
   Call: (230) [system] peek_char((0x563acd73bee0), _1673474)
   Exit: (230) [system] peek_char((0x563acd73bee0), ')')
^  Call: (230) [user] is_delimiter(')')
   Call: (231) [system] char_type(')', space)
   Fail: (231) [system] char_type(')', space)
   Call: (231) [system] arg(_1678194, v('(', ')', end_of_file), ')')
   Exit: (231) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (230) [user] is_delimiter(')')
   Call: (230) [system] _1672540=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (229) [user] classify_and_convert_charseq(['D'], _1637030)
^  Call: (230) [user] classify_and_convert_charseq_(['D'], _1684630)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_1685582, _1685584), once(user:catch(read_from_chars(['D'], _1684630), _1685564, fail)), '$restore_trace'(_1685582, _1685584))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_1685582, _1685584))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1684630), _1685564, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_1684630)
   Fail: (231) [system] atomic(_1684630)
   Call: (231) [system] atom_chars(_1684630, ['D'])
   Exit: (231) [system] atom_chars('D', ['D'])
^  Exit: (230) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (230) [system] integer('D')
   Fail: (230) [system] integer('D')
   Call: (230) [system] _1637030='D'
   Exit: (230) [system] 'D'='D'
^  Exit: (229) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (228) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'D')
^  Exit: (227) [user] cont_sexpr(')', (0x563acd73bee0), 'D')
^  Call: (227) [user] read_list(')', (0x563acd73bee0), _1699580)
^  Call: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] peek_char((0x563acd73bee0), _1701438)
   Exit: (229) [system] peek_char((0x563acd73bee0), ')')
   Call: (229) [system] ')'=(;)
   Fail: (229) [system] ')'=(;)
   Call: (229) [system] ')'=(/)
   Fail: (229) [system] ')'=(/)
^  Call: (229) [user] is_like_space(')')
   Call: (230) [system] char_type(')', 'white')
   Fail: (230) [system] char_type(')', 'white')
   Call: (230) [system] char_type(')', end_of_line)
   Fail: (230) [system] char_type(')', end_of_line)
   Call: (230) [system] char_type(')', space)
   Fail: (230) [system] char_type(')', space)
   Call: (230) [system] char_type(')', cntrl)
   Fail: (230) [system] char_type(')', cntrl)
^  Fail: (229) [user] is_like_space(')')
^  Exit: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _1717448)
   Exit: (228) [system] peek_char((0x563acd73bee0), ')')
   Call: (228) [system] ')'=')'
   Exit: (228) [system] ')'=')'
   Call: (228) [system] get_char((0x563acd73bee0), _1721238)
   Exit: (228) [system] get_char((0x563acd73bee0), ')')
   Call: (228) [system] _1699580=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_list(')', (0x563acd73bee0), [])
   Call: (227) [system] _1600370=['D']
   Exit: (227) [system] ['D']=['D']
^  Exit: (226) [user] read_list(')', (0x563acd73bee0), ['D'])
   Call: (226) [system] _1503032=['C', 'D']
   Exit: (226) [system] ['C', 'D']=['C', 'D']
^  Exit: (225) [user] read_list(')', (0x563acd73bee0), ['C', 'D'])
   Call: (225) [system] _1313686=['OrLink', 'C', 'D']
   Exit: (225) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (224) [user] read_list(')', (0x563acd73bee0), ['OrLink', 'C', 'D'])
^  Exit: (223) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', 'C', 'D'])
^  Call: (223) [user] read_list(')', (0x563acd73bee0), _1735120)
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _1736978)
   Exit: (225) [system] peek_char((0x563acd73bee0), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x563acd73bee0), _1746572)
   Exit: (225) [system] get_char((0x563acd73bee0), ' ')
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _1749276)
   Exit: (226) [system] peek_char((0x563acd73bee0), 'E')
   Call: (226) [system] 'E'=(;)
   Fail: (226) [system] 'E'=(;)
   Call: (226) [system] 'E'=(/)
   Fail: (226) [system] 'E'=(/)
^  Call: (226) [user] is_like_space('E')
   Call: (227) [system] char_type('E', 'white')
   Fail: (227) [system] char_type('E', 'white')
   Call: (227) [system] char_type('E', end_of_line)
   Fail: (227) [system] char_type('E', end_of_line)
   Call: (227) [system] char_type('E', space)
   Fail: (227) [system] char_type('E', space)
   Call: (227) [system] char_type('E', cntrl)
   Fail: (227) [system] char_type('E', cntrl)
^  Fail: (226) [user] is_like_space('E')
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _1766210)
   Exit: (224) [system] peek_char((0x563acd73bee0), 'E')
   Call: (224) [system] 'E'=')'
   Fail: (224) [system] 'E'=')'
   Call: (224) [system] 'E'=end_of_file
   Fail: (224) [system] 'E'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x563acd73bee0), _1771780)
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _1773638)
   Exit: (226) [system] peek_char((0x563acd73bee0), 'E')
   Call: (226) [system] 'E'=(;)
   Fail: (226) [system] 'E'=(;)
   Call: (226) [system] 'E'=(/)
   Fail: (226) [system] 'E'=(/)
^  Call: (226) [user] is_like_space('E')
   Call: (227) [system] char_type('E', 'white')
   Fail: (227) [system] char_type('E', 'white')
   Call: (227) [system] char_type('E', end_of_line)
   Fail: (227) [system] char_type('E', end_of_line)
   Call: (227) [system] char_type('E', space)
   Fail: (227) [system] char_type('E', space)
   Call: (227) [system] char_type('E', cntrl)
   Fail: (227) [system] char_type('E', cntrl)
^  Fail: (226) [user] is_like_space('E')
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] get_char((0x563acd73bee0), _1789648)
   Exit: (225) [system] get_char((0x563acd73bee0), 'E')
   Call: (225) [system] 'E'='('
   Fail: (225) [system] 'E'='('
   Call: (225) [system] 'E'='['
   Fail: (225) [system] 'E'='['
   Call: (225) [system] 'E'='{'
   Fail: (225) [system] 'E'='{'
   Call: (225) [system] 'E'='"'
   Fail: (225) [system] 'E'='"'
   Call: (225) [system] 'E'=!
   Fail: (225) [system] 'E'=!
   Call: (225) [system] 'E'='\''
   Fail: (225) [system] 'E'='\''
   Call: (225) [system] 'E'='`'
   Fail: (225) [system] 'E'='`'
   Call: (225) [system] 'E'=end_of_file
   Fail: (225) [system] 'E'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x563acd73bee0), 'E', _1771780)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _1807290)
   Call: (227) [system] peek_char((0x563acd73bee0), _1808224)
   Exit: (227) [system] peek_char((0x563acd73bee0), ')')
^  Call: (227) [user] is_delimiter(')')
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] arg(_1812944, v('(', ')', end_of_file), ')')
   Exit: (228) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (227) [user] is_delimiter(')')
   Call: (227) [system] _1807290=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (226) [user] classify_and_convert_charseq(['E'], _1771780)
^  Call: (227) [user] classify_and_convert_charseq_(['E'], _1819380)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1820332, _1820334), once(user:catch(read_from_chars(['E'], _1819380), _1820314, fail)), '$restore_trace'(_1820332, _1820334))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1820332, _1820334))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1819380), _1820314, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_1819380)
   Fail: (228) [system] atomic(_1819380)
   Call: (228) [system] atom_chars(_1819380, ['E'])
   Exit: (228) [system] atom_chars('E', ['E'])
^  Exit: (227) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (227) [system] integer('E')
   Fail: (227) [system] integer('E')
   Call: (227) [system] _1771780='E'
   Exit: (227) [system] 'E'='E'
^  Exit: (226) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (225) [user] read_symbolic(')', (0x563acd73bee0), 'E', 'E')
^  Exit: (224) [user] cont_sexpr(')', (0x563acd73bee0), 'E')
^  Call: (224) [user] read_list(')', (0x563acd73bee0), _1834330)
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _1836188)
   Exit: (226) [system] peek_char((0x563acd73bee0), ')')
   Call: (226) [system] ')'=(;)
   Fail: (226) [system] ')'=(;)
   Call: (226) [system] ')'=(/)
   Fail: (226) [system] ')'=(/)
^  Call: (226) [user] is_like_space(')')
   Call: (227) [system] char_type(')', 'white')
   Fail: (227) [system] char_type(')', 'white')
   Call: (227) [system] char_type(')', end_of_line)
   Fail: (227) [system] char_type(')', end_of_line)
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] char_type(')', cntrl)
   Fail: (227) [system] char_type(')', cntrl)
^  Fail: (226) [user] is_like_space(')')
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _1852198)
   Exit: (225) [system] peek_char((0x563acd73bee0), ')')
   Call: (225) [system] ')'=')'
   Exit: (225) [system] ')'=')'
   Call: (225) [system] get_char((0x563acd73bee0), _1855988)
   Exit: (225) [system] get_char((0x563acd73bee0), ')')
   Call: (225) [system] _1834330=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_list(')', (0x563acd73bee0), [])
   Call: (224) [system] _1735120=['E']
   Exit: (224) [system] ['E']=['E']
^  Exit: (223) [user] read_list(')', (0x563acd73bee0), ['E'])
   Call: (223) [system] _1277026=[['OrLink', 'C', 'D'], 'E']
   Exit: (223) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (222) [user] read_list(')', (0x563acd73bee0), [['OrLink', 'C', 'D'], 'E'])
   Call: (222) [system] _1004030=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (222) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (221) [user] read_list(')', (0x563acd73bee0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (220) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (220) [user] read_list(')', (0x563acd73bee0), _1869870)
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _1871728)
   Exit: (222) [system] peek_char((0x563acd73bee0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x563acd73bee0), _1881322)
   Exit: (222) [system] get_char((0x563acd73bee0), ' ')
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _1884026)
   Exit: (223) [system] peek_char((0x563acd73bee0), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
   Call: (223) [system] '('=(/)
   Fail: (223) [system] '('=(/)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _1900960)
   Exit: (221) [system] peek_char((0x563acd73bee0), '(')
   Call: (221) [system] '('=')'
   Fail: (221) [system] '('=')'
   Call: (221) [system] '('=end_of_file
   Fail: (221) [system] '('=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x563acd73bee0), _1906530)
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _1908388)
   Exit: (223) [system] peek_char((0x563acd73bee0), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
   Call: (223) [system] '('=(/)
   Fail: (223) [system] '('=(/)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] get_char((0x563acd73bee0), _1924398)
   Exit: (222) [system] get_char((0x563acd73bee0), '(')
   Call: (222) [system] '('='('
   Exit: (222) [system] '('='('
^  Call: (222) [user] read_list(')', (0x563acd73bee0), _1906530)
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _1929968)
   Exit: (224) [system] peek_char((0x563acd73bee0), 'I')
   Call: (224) [system] 'I'=(;)
   Fail: (224) [system] 'I'=(;)
   Call: (224) [system] 'I'=(/)
   Fail: (224) [system] 'I'=(/)
^  Call: (224) [user] is_like_space('I')
   Call: (225) [system] char_type('I', 'white')
   Fail: (225) [system] char_type('I', 'white')
   Call: (225) [system] char_type('I', end_of_line)
   Fail: (225) [system] char_type('I', end_of_line)
   Call: (225) [system] char_type('I', space)
   Fail: (225) [system] char_type('I', space)
   Call: (225) [system] char_type('I', cntrl)
   Fail: (225) [system] char_type('I', cntrl)
^  Fail: (224) [user] is_like_space('I')
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _1945978)
   Exit: (223) [system] peek_char((0x563acd73bee0), 'I')
   Call: (223) [system] 'I'=')'
   Fail: (223) [system] 'I'=')'
   Call: (223) [system] 'I'=end_of_file
   Fail: (223) [system] 'I'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x563acd73bee0), _1951548)
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _1953406)
   Exit: (225) [system] peek_char((0x563acd73bee0), 'I')
   Call: (225) [system] 'I'=(;)
   Fail: (225) [system] 'I'=(;)
   Call: (225) [system] 'I'=(/)
   Fail: (225) [system] 'I'=(/)
^  Call: (225) [user] is_like_space('I')
   Call: (226) [system] char_type('I', 'white')
   Fail: (226) [system] char_type('I', 'white')
   Call: (226) [system] char_type('I', end_of_line)
   Fail: (226) [system] char_type('I', end_of_line)
   Call: (226) [system] char_type('I', space)
   Fail: (226) [system] char_type('I', space)
   Call: (226) [system] char_type('I', cntrl)
   Fail: (226) [system] char_type('I', cntrl)
^  Fail: (225) [user] is_like_space('I')
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] get_char((0x563acd73bee0), _1969416)
   Exit: (224) [system] get_char((0x563acd73bee0), 'I')
   Call: (224) [system] 'I'='('
   Fail: (224) [system] 'I'='('
   Call: (224) [system] 'I'='['
   Fail: (224) [system] 'I'='['
   Call: (224) [system] 'I'='{'
   Fail: (224) [system] 'I'='{'
   Call: (224) [system] 'I'='"'
   Fail: (224) [system] 'I'='"'
   Call: (224) [system] 'I'=!
   Fail: (224) [system] 'I'=!
   Call: (224) [system] 'I'='\''
   Fail: (224) [system] 'I'='\''
   Call: (224) [system] 'I'='`'
   Fail: (224) [system] 'I'='`'
   Call: (224) [system] 'I'=end_of_file
   Fail: (224) [system] 'I'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x563acd73bee0), 'I', _1951548)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _1987058)
   Call: (226) [system] peek_char((0x563acd73bee0), _1987992)
   Exit: (226) [system] peek_char((0x563acd73bee0), m)
^  Call: (226) [user] is_delimiter(m)
   Call: (227) [system] char_type(m, space)
   Fail: (227) [system] char_type(m, space)
   Call: (227) [system] arg(_1992712, v('(', ')', end_of_file), m)
   Fail: (227) [system] arg(_1993644, v('(', ')', end_of_file), m)
^  Fail: (226) [user] is_delimiter(m)
   Call: (226) [system] ')'==m
   Fail: (226) [system] ')'==m
   Call: (226) [system] get_char((0x563acd73bee0), m)
   Exit: (226) [system] get_char((0x563acd73bee0), m)
   Call: (226) [system] m=(\)
   Fail: (226) [system] m=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _2000994)
   Call: (227) [system] peek_char((0x563acd73bee0), _2001928)
   Exit: (227) [system] peek_char((0x563acd73bee0), p)
^  Call: (227) [user] is_delimiter(p)
   Call: (228) [system] char_type(p, space)
   Fail: (228) [system] char_type(p, space)
   Call: (228) [system] arg(_2006648, v('(', ')', end_of_file), p)
   Fail: (228) [system] arg(_2007580, v('(', ')', end_of_file), p)
^  Fail: (227) [user] is_delimiter(p)
   Call: (227) [system] ')'==p
   Fail: (227) [system] ')'==p
   Call: (227) [system] get_char((0x563acd73bee0), p)
   Exit: (227) [system] get_char((0x563acd73bee0), p)
   Call: (227) [system] p=(\)
   Fail: (227) [system] p=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _2014930)
   Call: (228) [system] peek_char((0x563acd73bee0), _2015864)
   Exit: (228) [system] peek_char((0x563acd73bee0), l)
^  Call: (228) [user] is_delimiter(l)
   Call: (229) [system] char_type(l, space)
   Fail: (229) [system] char_type(l, space)
   Call: (229) [system] arg(_2020584, v('(', ')', end_of_file), l)
   Fail: (229) [system] arg(_2021516, v('(', ')', end_of_file), l)
^  Fail: (228) [user] is_delimiter(l)
   Call: (228) [system] ')'==l
   Fail: (228) [system] ')'==l
   Call: (228) [system] get_char((0x563acd73bee0), l)
   Exit: (228) [system] get_char((0x563acd73bee0), l)
   Call: (228) [system] l=(\)
   Fail: (228) [system] l=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _2028866)
   Call: (229) [system] peek_char((0x563acd73bee0), _2029800)
   Exit: (229) [system] peek_char((0x563acd73bee0), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_2034520, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_2035452, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x563acd73bee0), i)
   Exit: (229) [system] get_char((0x563acd73bee0), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _2042802)
   Call: (230) [system] peek_char((0x563acd73bee0), _2043736)
   Exit: (230) [system] peek_char((0x563acd73bee0), c)
^  Call: (230) [user] is_delimiter(c)
   Call: (231) [system] char_type(c, space)
   Fail: (231) [system] char_type(c, space)
   Call: (231) [system] arg(_2048456, v('(', ')', end_of_file), c)
   Fail: (231) [system] arg(_2049388, v('(', ')', end_of_file), c)
^  Fail: (230) [user] is_delimiter(c)
   Call: (230) [system] ')'==c
   Fail: (230) [system] ')'==c
   Call: (230) [system] get_char((0x563acd73bee0), c)
   Exit: (230) [system] get_char((0x563acd73bee0), c)
   Call: (230) [system] c=(\)
   Fail: (230) [system] c=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _2056738)
   Call: (231) [system] peek_char((0x563acd73bee0), _2057672)
   Exit: (231) [system] peek_char((0x563acd73bee0), a)
^  Call: (231) [user] is_delimiter(a)
   Call: (232) [system] char_type(a, space)
   Fail: (232) [system] char_type(a, space)
   Call: (232) [system] arg(_2062392, v('(', ')', end_of_file), a)
   Fail: (232) [system] arg(_2063324, v('(', ')', end_of_file), a)
^  Fail: (231) [user] is_delimiter(a)
   Call: (231) [system] ')'==a
   Fail: (231) [system] ')'==a
   Call: (231) [system] get_char((0x563acd73bee0), a)
   Exit: (231) [system] get_char((0x563acd73bee0), a)
   Call: (231) [system] a=(\)
   Fail: (231) [system] a=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _2070674)
   Call: (232) [system] peek_char((0x563acd73bee0), _2071608)
   Exit: (232) [system] peek_char((0x563acd73bee0), t)
^  Call: (232) [user] is_delimiter(t)
   Call: (233) [system] char_type(t, space)
   Fail: (233) [system] char_type(t, space)
   Call: (233) [system] arg(_2076328, v('(', ')', end_of_file), t)
   Fail: (233) [system] arg(_2077260, v('(', ')', end_of_file), t)
^  Fail: (232) [user] is_delimiter(t)
   Call: (232) [system] ')'==t
   Fail: (232) [system] ')'==t
   Call: (232) [system] get_char((0x563acd73bee0), t)
   Exit: (232) [system] get_char((0x563acd73bee0), t)
   Call: (232) [system] t=(\)
   Fail: (232) [system] t=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _2084610)
   Call: (233) [system] peek_char((0x563acd73bee0), _2085544)
   Exit: (233) [system] peek_char((0x563acd73bee0), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Fail: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_2090264, v('(', ')', end_of_file), i)
   Fail: (234) [system] arg(_2091196, v('(', ')', end_of_file), i)
^  Fail: (233) [user] is_delimiter(i)
   Call: (233) [system] ')'==i
   Fail: (233) [system] ')'==i
   Call: (233) [system] get_char((0x563acd73bee0), i)
   Exit: (233) [system] get_char((0x563acd73bee0), i)
   Call: (233) [system] i=(\)
   Fail: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), _7422)
   Call: (234) [system] peek_char((0x563acd73bee0), _8356)
   Exit: (234) [system] peek_char((0x563acd73bee0), o)
^  Call: (234) [user] is_delimiter(o)
   Call: (235) [system] char_type(o, space)
   Fail: (235) [system] char_type(o, space)
   Call: (235) [system] arg(_13076, v('(', ')', end_of_file), o)
   Fail: (235) [system] arg(_14008, v('(', ')', end_of_file), o)
^  Fail: (234) [user] is_delimiter(o)
   Call: (234) [system] ')'==o
   Fail: (234) [system] ')'==o
   Call: (234) [system] get_char((0x563acd73bee0), o)
   Exit: (234) [system] get_char((0x563acd73bee0), o)
   Call: (234) [system] o=(\)
   Fail: (234) [system] o=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), _21358)
   Call: (235) [system] peek_char((0x563acd73bee0), _22292)
   Exit: (235) [system] peek_char((0x563acd73bee0), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Fail: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_27012, v('(', ')', end_of_file), n)
   Fail: (236) [system] arg(_27944, v('(', ')', end_of_file), n)
^  Fail: (235) [user] is_delimiter(n)
   Call: (235) [system] ')'==n
   Fail: (235) [system] ')'==n
   Call: (235) [system] get_char((0x563acd73bee0), n)
   Exit: (235) [system] get_char((0x563acd73bee0), n)
   Call: (235) [system] n=(\)
   Fail: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), _35294)
   Call: (236) [system] peek_char((0x563acd73bee0), _36228)
   Exit: (236) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (236) [user] is_delimiter(' ')
   Call: (237) [system] char_type(' ', space)
   Exit: (237) [system] char_type(' ', space)
^  Exit: (236) [user] is_delimiter(' ')
   Call: (236) [system] _35294=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (235) [system] _21358=[n]
   Exit: (235) [system] [n]=[n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (234) [system] _7422=[o, n]
   Exit: (234) [system] [o, n]=[o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (233) [system] _5740=[i, o, n]
   Exit: (233) [system] [i, o, n]=[i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (232) [system] _5736=[t, i, o, n]
   Exit: (232) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (231) [system] _5732=[a, t, i, o, n]
   Exit: (231) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (230) [system] _5728=[c, a, t, i, o, n]
   Exit: (230) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (229) [system] _5724=[i, c, a, t, i, o, n]
   Exit: (229) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (228) [system] _5720=[l, i, c, a, t, i, o, n]
   Exit: (228) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (227) [system] _5716=[p, l, i, c, a, t, i, o, n]
   Exit: (227) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (226) [system] _5712=[m, p, l, i, c, a, t, i, o, n]
   Exit: (226) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (225) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _5708)
^  Call: (226) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _73452)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_74404, _74406), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _73452), _74386, fail)), '$restore_trace'(_74404, _74406))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_74404, _74406))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _73452), _74386, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_73452)
   Fail: (227) [system] atomic(_73452)
   Call: (227) [system] atom_chars(_73452, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (227) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (226) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (226) [system] integer('Implication')
   Fail: (226) [system] integer('Implication')
   Call: (226) [system] _5708='Implication'
   Exit: (226) [system] 'Implication'='Implication'
^  Exit: (225) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (224) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (223) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (223) [user] read_list(')', (0x563acd73bee0), _88402)
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _90260)
   Exit: (225) [system] peek_char((0x563acd73bee0), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x563acd73bee0), _99854)
   Exit: (225) [system] get_char((0x563acd73bee0), ' ')
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _102558)
   Exit: (226) [system] peek_char((0x563acd73bee0), '(')
   Call: (226) [system] '('=(;)
   Fail: (226) [system] '('=(;)
   Call: (226) [system] '('=(/)
   Fail: (226) [system] '('=(/)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Fail: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Fail: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Fail: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
   Fail: (227) [system] char_type('(', cntrl)
^  Fail: (226) [user] is_like_space('(')
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _119492)
   Exit: (224) [system] peek_char((0x563acd73bee0), '(')
   Call: (224) [system] '('=')'
   Fail: (224) [system] '('=')'
   Call: (224) [system] '('=end_of_file
   Fail: (224) [system] '('=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x563acd73bee0), _125062)
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _126920)
   Exit: (226) [system] peek_char((0x563acd73bee0), '(')
   Call: (226) [system] '('=(;)
   Fail: (226) [system] '('=(;)
   Call: (226) [system] '('=(/)
   Fail: (226) [system] '('=(/)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Fail: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Fail: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Fail: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
   Fail: (227) [system] char_type('(', cntrl)
^  Fail: (226) [user] is_like_space('(')
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] get_char((0x563acd73bee0), _142930)
   Exit: (225) [system] get_char((0x563acd73bee0), '(')
   Call: (225) [system] '('='('
   Exit: (225) [system] '('='('
^  Call: (225) [user] read_list(')', (0x563acd73bee0), _125062)
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _148500)
   Exit: (227) [system] peek_char((0x563acd73bee0), 'A')
   Call: (227) [system] 'A'=(;)
   Fail: (227) [system] 'A'=(;)
   Call: (227) [system] 'A'=(/)
   Fail: (227) [system] 'A'=(/)
^  Call: (227) [user] is_like_space('A')
   Call: (228) [system] char_type('A', 'white')
   Fail: (228) [system] char_type('A', 'white')
   Call: (228) [system] char_type('A', end_of_line)
   Fail: (228) [system] char_type('A', end_of_line)
   Call: (228) [system] char_type('A', space)
   Fail: (228) [system] char_type('A', space)
   Call: (228) [system] char_type('A', cntrl)
   Fail: (228) [system] char_type('A', cntrl)
^  Fail: (227) [user] is_like_space('A')
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _164510)
   Exit: (226) [system] peek_char((0x563acd73bee0), 'A')
   Call: (226) [system] 'A'=')'
   Fail: (226) [system] 'A'=')'
   Call: (226) [system] 'A'=end_of_file
   Fail: (226) [system] 'A'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x563acd73bee0), _170080)
^  Call: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _171938)
   Exit: (228) [system] peek_char((0x563acd73bee0), 'A')
   Call: (228) [system] 'A'=(;)
   Fail: (228) [system] 'A'=(;)
   Call: (228) [system] 'A'=(/)
   Fail: (228) [system] 'A'=(/)
^  Call: (228) [user] is_like_space('A')
   Call: (229) [system] char_type('A', 'white')
   Fail: (229) [system] char_type('A', 'white')
   Call: (229) [system] char_type('A', end_of_line)
   Fail: (229) [system] char_type('A', end_of_line)
   Call: (229) [system] char_type('A', space)
   Fail: (229) [system] char_type('A', space)
   Call: (229) [system] char_type('A', cntrl)
   Fail: (229) [system] char_type('A', cntrl)
^  Fail: (228) [user] is_like_space('A')
^  Exit: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] get_char((0x563acd73bee0), _187948)
   Exit: (227) [system] get_char((0x563acd73bee0), 'A')
   Call: (227) [system] 'A'='('
   Fail: (227) [system] 'A'='('
   Call: (227) [system] 'A'='['
   Fail: (227) [system] 'A'='['
   Call: (227) [system] 'A'='{'
   Fail: (227) [system] 'A'='{'
   Call: (227) [system] 'A'='"'
   Fail: (227) [system] 'A'='"'
   Call: (227) [system] 'A'=!
   Fail: (227) [system] 'A'=!
   Call: (227) [system] 'A'='\''
   Fail: (227) [system] 'A'='\''
   Call: (227) [system] 'A'='`'
   Fail: (227) [system] 'A'='`'
   Call: (227) [system] 'A'=end_of_file
   Fail: (227) [system] 'A'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x563acd73bee0), 'A', _170080)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _205590)
   Call: (229) [system] peek_char((0x563acd73bee0), _206524)
   Exit: (229) [system] peek_char((0x563acd73bee0), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_211244, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_212176, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x563acd73bee0), n)
   Exit: (229) [system] get_char((0x563acd73bee0), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _219526)
   Call: (230) [system] peek_char((0x563acd73bee0), _220460)
   Exit: (230) [system] peek_char((0x563acd73bee0), d)
^  Call: (230) [user] is_delimiter(d)
   Call: (231) [system] char_type(d, space)
   Fail: (231) [system] char_type(d, space)
   Call: (231) [system] arg(_225180, v('(', ')', end_of_file), d)
   Fail: (231) [system] arg(_226112, v('(', ')', end_of_file), d)
^  Fail: (230) [user] is_delimiter(d)
   Call: (230) [system] ')'==d
   Fail: (230) [system] ')'==d
   Call: (230) [system] get_char((0x563acd73bee0), d)
   Exit: (230) [system] get_char((0x563acd73bee0), d)
   Call: (230) [system] d=(\)
   Fail: (230) [system] d=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _233462)
   Call: (231) [system] peek_char((0x563acd73bee0), _234396)
   Exit: (231) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (231) [user] is_delimiter('L')
   Call: (232) [system] char_type('L', space)
   Fail: (232) [system] char_type('L', space)
   Call: (232) [system] arg(_239116, v('(', ')', end_of_file), 'L')
   Fail: (232) [system] arg(_240048, v('(', ')', end_of_file), 'L')
^  Fail: (231) [user] is_delimiter('L')
   Call: (231) [system] ')'=='L'
   Fail: (231) [system] ')'=='L'
   Call: (231) [system] get_char((0x563acd73bee0), 'L')
   Exit: (231) [system] get_char((0x563acd73bee0), 'L')
   Call: (231) [system] 'L'=(\)
   Fail: (231) [system] 'L'=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _247398)
   Call: (232) [system] peek_char((0x563acd73bee0), _248332)
   Exit: (232) [system] peek_char((0x563acd73bee0), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Fail: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_253052, v('(', ')', end_of_file), i)
   Fail: (233) [system] arg(_253984, v('(', ')', end_of_file), i)
^  Fail: (232) [user] is_delimiter(i)
   Call: (232) [system] ')'==i
   Fail: (232) [system] ')'==i
   Call: (232) [system] get_char((0x563acd73bee0), i)
   Exit: (232) [system] get_char((0x563acd73bee0), i)
   Call: (232) [system] i=(\)
   Fail: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _261334)
   Call: (233) [system] peek_char((0x563acd73bee0), _262268)
   Exit: (233) [system] peek_char((0x563acd73bee0), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_266988, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_267920, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x563acd73bee0), n)
   Exit: (233) [system] get_char((0x563acd73bee0), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), _275270)
   Call: (234) [system] peek_char((0x563acd73bee0), _276204)
   Exit: (234) [system] peek_char((0x563acd73bee0), k)
^  Call: (234) [user] is_delimiter(k)
   Call: (235) [system] char_type(k, space)
   Fail: (235) [system] char_type(k, space)
   Call: (235) [system] arg(_280924, v('(', ')', end_of_file), k)
   Fail: (235) [system] arg(_281856, v('(', ')', end_of_file), k)
^  Fail: (234) [user] is_delimiter(k)
   Call: (234) [system] ')'==k
   Fail: (234) [system] ')'==k
   Call: (234) [system] get_char((0x563acd73bee0), k)
   Exit: (234) [system] get_char((0x563acd73bee0), k)
   Call: (234) [system] k=(\)
   Fail: (234) [system] k=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), _289206)
   Call: (235) [system] peek_char((0x563acd73bee0), _290140)
   Exit: (235) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (235) [user] is_delimiter(' ')
   Call: (236) [system] char_type(' ', space)
   Exit: (236) [system] char_type(' ', space)
^  Exit: (235) [user] is_delimiter(' ')
   Call: (235) [system] _289206=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (234) [system] _275270=[k]
   Exit: (234) [system] [k]=[k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (233) [system] _261334=[n, k]
   Exit: (233) [system] [n, k]=[n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (232) [system] _247398=[i, n, k]
   Exit: (232) [system] [i, n, k]=[i, n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (231) [system] _233462=['L', i, n, k]
   Exit: (231) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (230) [system] _219526=[d, 'L', i, n, k]
   Exit: (230) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, 'L', i, n, k])
   Call: (229) [system] _205590=[n, d, 'L', i, n, k]
   Exit: (229) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, d, 'L', i, n, k])
^  Call: (228) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _170080)
^  Call: (229) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _316188)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_317140, _317142), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _316188), _317122, fail)), '$restore_trace'(_317140, _317142))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_317140, _317142))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _316188), _317122, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_316188)
   Fail: (230) [system] atomic(_316188)
   Call: (230) [system] atom_chars(_316188, ['A', n, d, 'L', i, n, k])
   Exit: (230) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (229) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (229) [system] integer('AndLink')
   Fail: (229) [system] integer('AndLink')
   Call: (229) [system] _170080='AndLink'
   Exit: (229) [system] 'AndLink'='AndLink'
^  Exit: (228) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (227) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'AndLink')
^  Exit: (226) [user] cont_sexpr(')', (0x563acd73bee0), 'AndLink')
^  Call: (226) [user] read_list(')', (0x563acd73bee0), _331138)
^  Call: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _332996)
   Exit: (228) [system] peek_char((0x563acd73bee0), ' ')
   Call: (228) [system] ' '=(;)
   Fail: (228) [system] ' '=(;)
   Call: (228) [system] ' '=(/)
   Fail: (228) [system] ' '=(/)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x563acd73bee0), _342590)
   Exit: (228) [system] get_char((0x563acd73bee0), ' ')
^  Call: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] peek_char((0x563acd73bee0), _345294)
   Exit: (229) [system] peek_char((0x563acd73bee0), 'A')
   Call: (229) [system] 'A'=(;)
   Fail: (229) [system] 'A'=(;)
   Call: (229) [system] 'A'=(/)
   Fail: (229) [system] 'A'=(/)
^  Call: (229) [user] is_like_space('A')
   Call: (230) [system] char_type('A', 'white')
   Fail: (230) [system] char_type('A', 'white')
   Call: (230) [system] char_type('A', end_of_line)
   Fail: (230) [system] char_type('A', end_of_line)
   Call: (230) [system] char_type('A', space)
   Fail: (230) [system] char_type('A', space)
   Call: (230) [system] char_type('A', cntrl)
   Fail: (230) [system] char_type('A', cntrl)
^  Fail: (229) [user] is_like_space('A')
^  Exit: (228) [user] skip_spaces((0x563acd73bee0))
^  Exit: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _362228)
   Exit: (227) [system] peek_char((0x563acd73bee0), 'A')
   Call: (227) [system] 'A'=')'
   Fail: (227) [system] 'A'=')'
   Call: (227) [system] 'A'=end_of_file
   Fail: (227) [system] 'A'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x563acd73bee0), _367798)
^  Call: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] peek_char((0x563acd73bee0), _369656)
   Exit: (229) [system] peek_char((0x563acd73bee0), 'A')
   Call: (229) [system] 'A'=(;)
   Fail: (229) [system] 'A'=(;)
   Call: (229) [system] 'A'=(/)
   Fail: (229) [system] 'A'=(/)
^  Call: (229) [user] is_like_space('A')
   Call: (230) [system] char_type('A', 'white')
   Fail: (230) [system] char_type('A', 'white')
   Call: (230) [system] char_type('A', end_of_line)
   Fail: (230) [system] char_type('A', end_of_line)
   Call: (230) [system] char_type('A', space)
   Fail: (230) [system] char_type('A', space)
   Call: (230) [system] char_type('A', cntrl)
   Fail: (230) [system] char_type('A', cntrl)
^  Fail: (229) [user] is_like_space('A')
^  Exit: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] get_char((0x563acd73bee0), _385666)
   Exit: (228) [system] get_char((0x563acd73bee0), 'A')
   Call: (228) [system] 'A'='('
   Fail: (228) [system] 'A'='('
   Call: (228) [system] 'A'='['
   Fail: (228) [system] 'A'='['
   Call: (228) [system] 'A'='{'
   Fail: (228) [system] 'A'='{'
   Call: (228) [system] 'A'='"'
   Fail: (228) [system] 'A'='"'
   Call: (228) [system] 'A'=!
   Fail: (228) [system] 'A'=!
   Call: (228) [system] 'A'='\''
   Fail: (228) [system] 'A'='\''
   Call: (228) [system] 'A'='`'
   Fail: (228) [system] 'A'='`'
   Call: (228) [system] 'A'=end_of_file
   Fail: (228) [system] 'A'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x563acd73bee0), 'A', _367798)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _403308)
   Call: (230) [system] peek_char((0x563acd73bee0), _404242)
   Exit: (230) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _403308=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (229) [user] classify_and_convert_charseq(['A'], _367798)
^  Call: (230) [user] classify_and_convert_charseq_(['A'], _413526)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_414478, _414480), once(user:catch(read_from_chars(['A'], _413526), _414460, fail)), '$restore_trace'(_414478, _414480))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_414478, _414480))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _413526), _414460, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_413526)
   Fail: (231) [system] atomic(_413526)
   Call: (231) [system] atom_chars(_413526, ['A'])
   Exit: (231) [system] atom_chars('A', ['A'])
^  Exit: (230) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (230) [system] integer('A')
   Fail: (230) [system] integer('A')
   Call: (230) [system] _367798='A'
   Exit: (230) [system] 'A'='A'
^  Exit: (229) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (228) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (227) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (227) [user] read_list(')', (0x563acd73bee0), _428476)
^  Call: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] peek_char((0x563acd73bee0), _430334)
   Exit: (229) [system] peek_char((0x563acd73bee0), ' ')
   Call: (229) [system] ' '=(;)
   Fail: (229) [system] ' '=(;)
   Call: (229) [system] ' '=(/)
   Fail: (229) [system] ' '=(/)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x563acd73bee0), _439928)
   Exit: (229) [system] get_char((0x563acd73bee0), ' ')
^  Call: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (230) [system] peek_char((0x563acd73bee0), _442632)
   Exit: (230) [system] peek_char((0x563acd73bee0), 'B')
   Call: (230) [system] 'B'=(;)
   Fail: (230) [system] 'B'=(;)
   Call: (230) [system] 'B'=(/)
   Fail: (230) [system] 'B'=(/)
^  Call: (230) [user] is_like_space('B')
   Call: (231) [system] char_type('B', 'white')
   Fail: (231) [system] char_type('B', 'white')
   Call: (231) [system] char_type('B', end_of_line)
   Fail: (231) [system] char_type('B', end_of_line)
   Call: (231) [system] char_type('B', space)
   Fail: (231) [system] char_type('B', space)
   Call: (231) [system] char_type('B', cntrl)
   Fail: (231) [system] char_type('B', cntrl)
^  Fail: (230) [user] is_like_space('B')
^  Exit: (229) [user] skip_spaces((0x563acd73bee0))
^  Exit: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _459566)
   Exit: (228) [system] peek_char((0x563acd73bee0), 'B')
   Call: (228) [system] 'B'=')'
   Fail: (228) [system] 'B'=')'
   Call: (228) [system] 'B'=end_of_file
   Fail: (228) [system] 'B'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x563acd73bee0), _465136)
^  Call: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (230) [system] peek_char((0x563acd73bee0), _466994)
   Exit: (230) [system] peek_char((0x563acd73bee0), 'B')
   Call: (230) [system] 'B'=(;)
   Fail: (230) [system] 'B'=(;)
   Call: (230) [system] 'B'=(/)
   Fail: (230) [system] 'B'=(/)
^  Call: (230) [user] is_like_space('B')
   Call: (231) [system] char_type('B', 'white')
   Fail: (231) [system] char_type('B', 'white')
   Call: (231) [system] char_type('B', end_of_line)
   Fail: (231) [system] char_type('B', end_of_line)
   Call: (231) [system] char_type('B', space)
   Fail: (231) [system] char_type('B', space)
   Call: (231) [system] char_type('B', cntrl)
   Fail: (231) [system] char_type('B', cntrl)
^  Fail: (230) [user] is_like_space('B')
^  Exit: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] get_char((0x563acd73bee0), _483004)
   Exit: (229) [system] get_char((0x563acd73bee0), 'B')
   Call: (229) [system] 'B'='('
   Fail: (229) [system] 'B'='('
   Call: (229) [system] 'B'='['
   Fail: (229) [system] 'B'='['
   Call: (229) [system] 'B'='{'
   Fail: (229) [system] 'B'='{'
   Call: (229) [system] 'B'='"'
   Fail: (229) [system] 'B'='"'
   Call: (229) [system] 'B'=!
   Fail: (229) [system] 'B'=!
   Call: (229) [system] 'B'='\''
   Fail: (229) [system] 'B'='\''
   Call: (229) [system] 'B'='`'
   Fail: (229) [system] 'B'='`'
   Call: (229) [system] 'B'=end_of_file
   Fail: (229) [system] 'B'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x563acd73bee0), 'B', _465136)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _500646)
   Call: (231) [system] peek_char((0x563acd73bee0), _501580)
   Exit: (231) [system] peek_char((0x563acd73bee0), ')')
^  Call: (231) [user] is_delimiter(')')
   Call: (232) [system] char_type(')', space)
   Fail: (232) [system] char_type(')', space)
   Call: (232) [system] arg(_506300, v('(', ')', end_of_file), ')')
   Exit: (232) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (231) [user] is_delimiter(')')
   Call: (231) [system] _500646=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (230) [user] classify_and_convert_charseq(['B'], _465136)
^  Call: (231) [user] classify_and_convert_charseq_(['B'], _512736)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_513688, _513690), once(user:catch(read_from_chars(['B'], _512736), _513670, fail)), '$restore_trace'(_513688, _513690))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_513688, _513690))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _512736), _513670, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_512736)
   Fail: (232) [system] atomic(_512736)
   Call: (232) [system] atom_chars(_512736, ['B'])
   Exit: (232) [system] atom_chars('B', ['B'])
^  Exit: (231) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (231) [system] integer('B')
   Fail: (231) [system] integer('B')
   Call: (231) [system] _465136='B'
   Exit: (231) [system] 'B'='B'
^  Exit: (230) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (229) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (228) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (228) [user] read_list(')', (0x563acd73bee0), _527686)
^  Call: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (230) [system] peek_char((0x563acd73bee0), _529544)
   Exit: (230) [system] peek_char((0x563acd73bee0), ')')
   Call: (230) [system] ')'=(;)
   Fail: (230) [system] ')'=(;)
   Call: (230) [system] ')'=(/)
   Fail: (230) [system] ')'=(/)
^  Call: (230) [user] is_like_space(')')
   Call: (231) [system] char_type(')', 'white')
   Fail: (231) [system] char_type(')', 'white')
   Call: (231) [system] char_type(')', end_of_line)
   Fail: (231) [system] char_type(')', end_of_line)
   Call: (231) [system] char_type(')', space)
   Fail: (231) [system] char_type(')', space)
   Call: (231) [system] char_type(')', cntrl)
   Fail: (231) [system] char_type(')', cntrl)
^  Fail: (230) [user] is_like_space(')')
^  Exit: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] peek_char((0x563acd73bee0), _545554)
   Exit: (229) [system] peek_char((0x563acd73bee0), ')')
   Call: (229) [system] ')'=')'
   Exit: (229) [system] ')'=')'
   Call: (229) [system] get_char((0x563acd73bee0), _549344)
   Exit: (229) [system] get_char((0x563acd73bee0), ')')
   Call: (229) [system] _527686=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_list(')', (0x563acd73bee0), [])
   Call: (228) [system] _428476=['B']
   Exit: (228) [system] ['B']=['B']
^  Exit: (227) [user] read_list(')', (0x563acd73bee0), ['B'])
   Call: (227) [system] _331138=['A', 'B']
   Exit: (227) [system] ['A', 'B']=['A', 'B']
^  Exit: (226) [user] read_list(')', (0x563acd73bee0), ['A', 'B'])
   Call: (226) [system] _125062=['AndLink', 'A', 'B']
   Exit: (226) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (225) [user] read_list(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Exit: (224) [user] cont_sexpr(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Call: (224) [user] read_list(')', (0x563acd73bee0), _563226)
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _565084)
   Exit: (226) [system] peek_char((0x563acd73bee0), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x563acd73bee0), _574678)
   Exit: (226) [system] get_char((0x563acd73bee0), ' ')
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _577382)
   Exit: (227) [system] peek_char((0x563acd73bee0), 'C')
   Call: (227) [system] 'C'=(;)
   Fail: (227) [system] 'C'=(;)
   Call: (227) [system] 'C'=(/)
   Fail: (227) [system] 'C'=(/)
^  Call: (227) [user] is_like_space('C')
   Call: (228) [system] char_type('C', 'white')
   Fail: (228) [system] char_type('C', 'white')
   Call: (228) [system] char_type('C', end_of_line)
   Fail: (228) [system] char_type('C', end_of_line)
   Call: (228) [system] char_type('C', space)
   Fail: (228) [system] char_type('C', space)
   Call: (228) [system] char_type('C', cntrl)
   Fail: (228) [system] char_type('C', cntrl)
^  Fail: (227) [user] is_like_space('C')
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _594316)
   Exit: (225) [system] peek_char((0x563acd73bee0), 'C')
   Call: (225) [system] 'C'=')'
   Fail: (225) [system] 'C'=')'
   Call: (225) [system] 'C'=end_of_file
   Fail: (225) [system] 'C'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x563acd73bee0), _599886)
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _601744)
   Exit: (227) [system] peek_char((0x563acd73bee0), 'C')
   Call: (227) [system] 'C'=(;)
   Fail: (227) [system] 'C'=(;)
   Call: (227) [system] 'C'=(/)
   Fail: (227) [system] 'C'=(/)
^  Call: (227) [user] is_like_space('C')
   Call: (228) [system] char_type('C', 'white')
   Fail: (228) [system] char_type('C', 'white')
   Call: (228) [system] char_type('C', end_of_line)
   Fail: (228) [system] char_type('C', end_of_line)
   Call: (228) [system] char_type('C', space)
   Fail: (228) [system] char_type('C', space)
   Call: (228) [system] char_type('C', cntrl)
   Fail: (228) [system] char_type('C', cntrl)
^  Fail: (227) [user] is_like_space('C')
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] get_char((0x563acd73bee0), _617754)
   Exit: (226) [system] get_char((0x563acd73bee0), 'C')
   Call: (226) [system] 'C'='('
   Fail: (226) [system] 'C'='('
   Call: (226) [system] 'C'='['
   Fail: (226) [system] 'C'='['
   Call: (226) [system] 'C'='{'
   Fail: (226) [system] 'C'='{'
   Call: (226) [system] 'C'='"'
   Fail: (226) [system] 'C'='"'
   Call: (226) [system] 'C'=!
   Fail: (226) [system] 'C'=!
   Call: (226) [system] 'C'='\''
   Fail: (226) [system] 'C'='\''
   Call: (226) [system] 'C'='`'
   Fail: (226) [system] 'C'='`'
   Call: (226) [system] 'C'=end_of_file
   Fail: (226) [system] 'C'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x563acd73bee0), 'C', _599886)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _635396)
   Call: (228) [system] peek_char((0x563acd73bee0), _636330)
   Exit: (228) [system] peek_char((0x563acd73bee0), ')')
^  Call: (228) [user] is_delimiter(')')
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] arg(_641050, v('(', ')', end_of_file), ')')
   Exit: (229) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (228) [user] is_delimiter(')')
   Call: (228) [system] _635396=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (227) [user] classify_and_convert_charseq(['C'], _599886)
^  Call: (228) [user] classify_and_convert_charseq_(['C'], _647486)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_648438, _648440), once(user:catch(read_from_chars(['C'], _647486), _648420, fail)), '$restore_trace'(_648438, _648440))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_648438, _648440))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _647486), _648420, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_647486)
   Fail: (229) [system] atomic(_647486)
   Call: (229) [system] atom_chars(_647486, ['C'])
   Exit: (229) [system] atom_chars('C', ['C'])
^  Exit: (228) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (228) [system] integer('C')
   Fail: (228) [system] integer('C')
   Call: (228) [system] _599886='C'
   Exit: (228) [system] 'C'='C'
^  Exit: (227) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (226) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (225) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (225) [user] read_list(')', (0x563acd73bee0), _662436)
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _664294)
   Exit: (227) [system] peek_char((0x563acd73bee0), ')')
   Call: (227) [system] ')'=(;)
   Fail: (227) [system] ')'=(;)
   Call: (227) [system] ')'=(/)
   Fail: (227) [system] ')'=(/)
^  Call: (227) [user] is_like_space(')')
   Call: (228) [system] char_type(')', 'white')
   Fail: (228) [system] char_type(')', 'white')
   Call: (228) [system] char_type(')', end_of_line)
   Fail: (228) [system] char_type(')', end_of_line)
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] char_type(')', cntrl)
   Fail: (228) [system] char_type(')', cntrl)
^  Fail: (227) [user] is_like_space(')')
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _680304)
   Exit: (226) [system] peek_char((0x563acd73bee0), ')')
   Call: (226) [system] ')'=')'
   Exit: (226) [system] ')'=')'
   Call: (226) [system] get_char((0x563acd73bee0), _684094)
   Exit: (226) [system] get_char((0x563acd73bee0), ')')
   Call: (226) [system] _662436=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_list(')', (0x563acd73bee0), [])
   Call: (225) [system] _563226=['C']
   Exit: (225) [system] ['C']=['C']
^  Exit: (224) [user] read_list(')', (0x563acd73bee0), ['C'])
   Call: (224) [system] _88402=[['AndLink', 'A', 'B'], 'C']
   Exit: (224) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (223) [user] read_list(')', (0x563acd73bee0), [['AndLink', 'A', 'B'], 'C'])
   Call: (223) [system] _5702=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (223) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (222) [user] read_list(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (221) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (221) [user] read_list(')', (0x563acd73bee0), _697976)
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _699834)
   Exit: (223) [system] peek_char((0x563acd73bee0), ')')
   Call: (223) [system] ')'=(;)
   Fail: (223) [system] ')'=(;)
   Call: (223) [system] ')'=(/)
   Fail: (223) [system] ')'=(/)
^  Call: (223) [user] is_like_space(')')
   Call: (224) [system] char_type(')', 'white')
   Fail: (224) [system] char_type(')', 'white')
   Call: (224) [system] char_type(')', end_of_line)
   Fail: (224) [system] char_type(')', end_of_line)
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] char_type(')', cntrl)
   Fail: (224) [system] char_type(')', cntrl)
^  Fail: (223) [user] is_like_space(')')
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _715844)
   Exit: (222) [system] peek_char((0x563acd73bee0), ')')
   Call: (222) [system] ')'=')'
   Exit: (222) [system] ')'=')'
   Call: (222) [system] get_char((0x563acd73bee0), _719634)
   Exit: (222) [system] get_char((0x563acd73bee0), ')')
   Call: (222) [system] _697976=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_list(')', (0x563acd73bee0), [])
   Call: (221) [system] _5698=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (221) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (220) [user] read_list(')', (0x563acd73bee0), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (220) [system] _5656=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (220) [system] [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (219) [user] read_list(')', (0x563acd73bee0), [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (219) [system] _5648=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (219) [system] ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (218) [user] read_list(')', (0x563acd73bee0), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (217) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (217) [user] read_list(')', (0x563acd73bee0), _733516)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _735374)
   Exit: (219) [system] peek_char((0x563acd73bee0), ')')
   Call: (219) [system] ')'=(;)
   Fail: (219) [system] ')'=(;)
   Call: (219) [system] ')'=(/)
   Fail: (219) [system] ')'=(/)
^  Call: (219) [user] is_like_space(')')
   Call: (220) [system] char_type(')', 'white')
   Fail: (220) [system] char_type(')', 'white')
   Call: (220) [system] char_type(')', end_of_line)
   Fail: (220) [system] char_type(')', end_of_line)
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] char_type(')', cntrl)
   Fail: (220) [system] char_type(')', cntrl)
^  Fail: (219) [user] is_like_space(')')
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _751384)
   Exit: (218) [system] peek_char((0x563acd73bee0), ')')
   Call: (218) [system] ')'=')'
   Exit: (218) [system] ')'=')'
   Call: (218) [system] get_char((0x563acd73bee0), _755174)
   Exit: (218) [system] get_char((0x563acd73bee0), ')')
   Call: (218) [system] _733516=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_list(')', (0x563acd73bee0), [])
   Call: (217) [system] _5644=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (217) [system] [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (216) [user] read_list(')', (0x563acd73bee0), [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (216) [system] _5620=[['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (216) [system] [['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (215) [user] read_list(')', (0x563acd73bee0), [['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (215) [system] _5612=[:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (215) [system] [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (214) [user] read_list(')', (0x563acd73bee0), [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (213) [user] cont_sexpr(')', (0x563acd73bee0), [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (213) [user] read_list(')', (0x563acd73bee0), _769056)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _770914)
   Exit: (215) [system] peek_char((0x563acd73bee0), '\n')
   Call: (215) [system] '\n'=(;)
   Fail: (215) [system] '\n'=(;)
   Call: (215) [system] '\n'=(/)
   Fail: (215) [system] '\n'=(/)
^  Call: (215) [user] is_like_space('\n')
   Call: (216) [system] char_type('\n', 'white')
   Fail: (216) [system] char_type('\n', 'white')
   Call: (216) [system] char_type('\n', end_of_line)
   Exit: (216) [system] char_type('\n', end_of_line)
^  Exit: (215) [user] is_like_space('\n')
   Call: (215) [system] get_char((0x563acd73bee0), _782364)
   Exit: (215) [system] get_char((0x563acd73bee0), '\n')
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _785068)
   Exit: (216) [system] peek_char((0x563acd73bee0), '\t')
   Call: (216) [system] '\t'=(;)
   Fail: (216) [system] '\t'=(;)
   Call: (216) [system] '\t'=(/)
   Fail: (216) [system] '\t'=(/)
^  Call: (216) [user] is_like_space('\t')
   Call: (217) [system] char_type('\t', 'white')
   Exit: (217) [system] char_type('\t', 'white')
^  Exit: (216) [user] is_like_space('\t')
   Call: (216) [system] get_char((0x563acd73bee0), _794662)
   Exit: (216) [system] get_char((0x563acd73bee0), '\t')
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _797366)
   Exit: (217) [system] peek_char((0x563acd73bee0), '\t')
   Call: (217) [system] '\t'=(;)
   Fail: (217) [system] '\t'=(;)
   Call: (217) [system] '\t'=(/)
   Fail: (217) [system] '\t'=(/)
^  Call: (217) [user] is_like_space('\t')
   Call: (218) [system] char_type('\t', 'white')
   Exit: (218) [system] char_type('\t', 'white')
^  Exit: (217) [user] is_like_space('\t')
   Call: (217) [system] get_char((0x563acd73bee0), _806960)
   Exit: (217) [system] get_char((0x563acd73bee0), '\t')
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _809664)
   Exit: (218) [system] peek_char((0x563acd73bee0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x563acd73bee0), _819258)
   Exit: (218) [system] get_char((0x563acd73bee0), ' ')
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _821962)
   Exit: (219) [system] peek_char((0x563acd73bee0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _841668)
   Exit: (214) [system] peek_char((0x563acd73bee0), '(')
   Call: (214) [system] '('=')'
   Fail: (214) [system] '('=')'
   Call: (214) [system] '('=end_of_file
   Fail: (214) [system] '('=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x563acd73bee0), _847238)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _849096)
   Exit: (216) [system] peek_char((0x563acd73bee0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] get_char((0x563acd73bee0), _865106)
   Exit: (215) [system] get_char((0x563acd73bee0), '(')
   Call: (215) [system] '('='('
   Exit: (215) [system] '('='('
^  Call: (215) [user] read_list(')', (0x563acd73bee0), _847238)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _870676)
   Exit: (217) [system] peek_char((0x563acd73bee0), :)
   Call: (217) [system] (:)=(;)
   Fail: (217) [system] (:)=(;)
   Call: (217) [system] (:)=(/)
   Fail: (217) [system] (:)=(/)
^  Call: (217) [user] is_like_space(:)
   Call: (218) [system] char_type(:, 'white')
   Fail: (218) [system] char_type(:, 'white')
   Call: (218) [system] char_type(:, end_of_line)
   Fail: (218) [system] char_type(:, end_of_line)
   Call: (218) [system] char_type(:, space)
   Fail: (218) [system] char_type(:, space)
   Call: (218) [system] char_type(:, cntrl)
   Fail: (218) [system] char_type(:, cntrl)
^  Fail: (217) [user] is_like_space(:)
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _886686)
   Exit: (216) [system] peek_char((0x563acd73bee0), :)
   Call: (216) [system] (:)=')'
   Fail: (216) [system] (:)=')'
   Call: (216) [system] (:)=end_of_file
   Fail: (216) [system] (:)=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x563acd73bee0), _892256)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _894114)
   Exit: (218) [system] peek_char((0x563acd73bee0), :)
   Call: (218) [system] (:)=(;)
   Fail: (218) [system] (:)=(;)
   Call: (218) [system] (:)=(/)
   Fail: (218) [system] (:)=(/)
^  Call: (218) [user] is_like_space(:)
   Call: (219) [system] char_type(:, 'white')
   Fail: (219) [system] char_type(:, 'white')
   Call: (219) [system] char_type(:, end_of_line)
   Fail: (219) [system] char_type(:, end_of_line)
   Call: (219) [system] char_type(:, space)
   Fail: (219) [system] char_type(:, space)
   Call: (219) [system] char_type(:, cntrl)
   Fail: (219) [system] char_type(:, cntrl)
^  Fail: (218) [user] is_like_space(:)
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] get_char((0x563acd73bee0), _910124)
   Exit: (217) [system] get_char((0x563acd73bee0), :)
   Call: (217) [system] (:)='('
   Fail: (217) [system] (:)='('
   Call: (217) [system] (:)='['
   Fail: (217) [system] (:)='['
   Call: (217) [system] (:)='{'
   Fail: (217) [system] (:)='{'
   Call: (217) [system] (:)='"'
   Fail: (217) [system] (:)='"'
   Call: (217) [system] (:)=!
   Fail: (217) [system] (:)=!
   Call: (217) [system] (:)='\''
   Fail: (217) [system] (:)='\''
   Call: (217) [system] (:)='`'
   Fail: (217) [system] (:)='`'
   Call: (217) [system] (:)=end_of_file
   Fail: (217) [system] (:)=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x563acd73bee0), :, _892256)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _927766)
   Call: (219) [system] peek_char((0x563acd73bee0), _928700)
   Exit: (219) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _927766=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (218) [user] classify_and_convert_charseq([:], _892256)
^  Call: (219) [user] classify_and_convert_charseq_([:], _937984)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_938936, _938938), once(user:catch(read_from_chars([:], _937984), _938918, fail)), '$restore_trace'(_938936, _938938))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_938936, _938938))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _938918, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(:)
   Exit: (220) [system] atomic(:)
^  Exit: (219) [user] classify_and_convert_charseq_([:], :)
   Call: (219) [system] integer(:)
   Fail: (219) [system] integer(:)
   Call: (219) [system] _892256=(:)
   Exit: (219) [system] (:)=(:)
^  Exit: (218) [user] classify_and_convert_charseq([:], :)
^  Exit: (217) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (216) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (216) [user] read_list(')', (0x563acd73bee0), _951064)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _952922)
   Exit: (218) [system] peek_char((0x563acd73bee0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x563acd73bee0), _962516)
   Exit: (218) [system] get_char((0x563acd73bee0), ' ')
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _965220)
   Exit: (219) [system] peek_char((0x563acd73bee0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _982154)
   Exit: (217) [system] peek_char((0x563acd73bee0), '(')
   Call: (217) [system] '('=')'
   Fail: (217) [system] '('=')'
   Call: (217) [system] '('=end_of_file
   Fail: (217) [system] '('=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x563acd73bee0), _987724)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _989582)
   Exit: (219) [system] peek_char((0x563acd73bee0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] get_char((0x563acd73bee0), _1005592)
   Exit: (218) [system] get_char((0x563acd73bee0), '(')
   Call: (218) [system] '('='('
   Exit: (218) [system] '('='('
^  Call: (218) [user] read_list(')', (0x563acd73bee0), _987724)
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _1011162)
   Exit: (220) [system] peek_char((0x563acd73bee0), 'D')
   Call: (220) [system] 'D'=(;)
   Fail: (220) [system] 'D'=(;)
   Call: (220) [system] 'D'=(/)
   Fail: (220) [system] 'D'=(/)
^  Call: (220) [user] is_like_space('D')
   Call: (221) [system] char_type('D', 'white')
   Fail: (221) [system] char_type('D', 'white')
   Call: (221) [system] char_type('D', end_of_line)
   Fail: (221) [system] char_type('D', end_of_line)
   Call: (221) [system] char_type('D', space)
   Fail: (221) [system] char_type('D', space)
   Call: (221) [system] char_type('D', cntrl)
   Fail: (221) [system] char_type('D', cntrl)
^  Fail: (220) [user] is_like_space('D')
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _1027172)
   Exit: (219) [system] peek_char((0x563acd73bee0), 'D')
   Call: (219) [system] 'D'=')'
   Fail: (219) [system] 'D'=')'
   Call: (219) [system] 'D'=end_of_file
   Fail: (219) [system] 'D'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x563acd73bee0), _1032742)
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _1034600)
   Exit: (221) [system] peek_char((0x563acd73bee0), 'D')
   Call: (221) [system] 'D'=(;)
   Fail: (221) [system] 'D'=(;)
   Call: (221) [system] 'D'=(/)
   Fail: (221) [system] 'D'=(/)
^  Call: (221) [user] is_like_space('D')
   Call: (222) [system] char_type('D', 'white')
   Fail: (222) [system] char_type('D', 'white')
   Call: (222) [system] char_type('D', end_of_line)
   Fail: (222) [system] char_type('D', end_of_line)
   Call: (222) [system] char_type('D', space)
   Fail: (222) [system] char_type('D', space)
   Call: (222) [system] char_type('D', cntrl)
   Fail: (222) [system] char_type('D', cntrl)
^  Fail: (221) [user] is_like_space('D')
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] get_char((0x563acd73bee0), _1050610)
   Exit: (220) [system] get_char((0x563acd73bee0), 'D')
   Call: (220) [system] 'D'='('
   Fail: (220) [system] 'D'='('
   Call: (220) [system] 'D'='['
   Fail: (220) [system] 'D'='['
   Call: (220) [system] 'D'='{'
   Fail: (220) [system] 'D'='{'
   Call: (220) [system] 'D'='"'
   Fail: (220) [system] 'D'='"'
   Call: (220) [system] 'D'=!
   Fail: (220) [system] 'D'=!
   Call: (220) [system] 'D'='\''
   Fail: (220) [system] 'D'='\''
   Call: (220) [system] 'D'='`'
   Fail: (220) [system] 'D'='`'
   Call: (220) [system] 'D'=end_of_file
   Fail: (220) [system] 'D'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x563acd73bee0), 'D', _1032742)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _1068252)
   Call: (222) [system] peek_char((0x563acd73bee0), _1069186)
   Exit: (222) [system] peek_char((0x563acd73bee0), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_1073906, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_1074838, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x563acd73bee0), i)
   Exit: (222) [system] get_char((0x563acd73bee0), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _1082188)
   Call: (223) [system] peek_char((0x563acd73bee0), _1083122)
   Exit: (223) [system] peek_char((0x563acd73bee0), s)
^  Call: (223) [user] is_delimiter(s)
   Call: (224) [system] char_type(s, space)
   Fail: (224) [system] char_type(s, space)
   Call: (224) [system] arg(_1087842, v('(', ')', end_of_file), s)
   Fail: (224) [system] arg(_1088774, v('(', ')', end_of_file), s)
^  Fail: (223) [user] is_delimiter(s)
   Call: (223) [system] ')'==s
   Fail: (223) [system] ')'==s
   Call: (223) [system] get_char((0x563acd73bee0), s)
   Exit: (223) [system] get_char((0x563acd73bee0), s)
   Call: (223) [system] s=(\)
   Fail: (223) [system] s=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _1096124)
   Call: (224) [system] peek_char((0x563acd73bee0), _1097058)
   Exit: (224) [system] peek_char((0x563acd73bee0), j)
^  Call: (224) [user] is_delimiter(j)
   Call: (225) [system] char_type(j, space)
   Fail: (225) [system] char_type(j, space)
   Call: (225) [system] arg(_1101778, v('(', ')', end_of_file), j)
   Fail: (225) [system] arg(_1102710, v('(', ')', end_of_file), j)
^  Fail: (224) [user] is_delimiter(j)
   Call: (224) [system] ')'==j
   Fail: (224) [system] ')'==j
   Call: (224) [system] get_char((0x563acd73bee0), j)
   Exit: (224) [system] get_char((0x563acd73bee0), j)
   Call: (224) [system] j=(\)
   Fail: (224) [system] j=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _1110060)
   Call: (225) [system] peek_char((0x563acd73bee0), _1110994)
   Exit: (225) [system] peek_char((0x563acd73bee0), u)
^  Call: (225) [user] is_delimiter(u)
   Call: (226) [system] char_type(u, space)
   Fail: (226) [system] char_type(u, space)
   Call: (226) [system] arg(_1115714, v('(', ')', end_of_file), u)
   Fail: (226) [system] arg(_1116646, v('(', ')', end_of_file), u)
^  Fail: (225) [user] is_delimiter(u)
   Call: (225) [system] ')'==u
   Fail: (225) [system] ')'==u
   Call: (225) [system] get_char((0x563acd73bee0), u)
   Exit: (225) [system] get_char((0x563acd73bee0), u)
   Call: (225) [system] u=(\)
   Fail: (225) [system] u=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _1123996)
   Call: (226) [system] peek_char((0x563acd73bee0), _1124930)
   Exit: (226) [system] peek_char((0x563acd73bee0), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_1129650, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_1130582, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x563acd73bee0), n)
   Exit: (226) [system] get_char((0x563acd73bee0), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _1137932)
   Call: (227) [system] peek_char((0x563acd73bee0), _1138866)
   Exit: (227) [system] peek_char((0x563acd73bee0), c)
^  Call: (227) [user] is_delimiter(c)
   Call: (228) [system] char_type(c, space)
   Fail: (228) [system] char_type(c, space)
   Call: (228) [system] arg(_1143586, v('(', ')', end_of_file), c)
   Fail: (228) [system] arg(_1144518, v('(', ')', end_of_file), c)
^  Fail: (227) [user] is_delimiter(c)
   Call: (227) [system] ')'==c
   Fail: (227) [system] ')'==c
   Call: (227) [system] get_char((0x563acd73bee0), c)
   Exit: (227) [system] get_char((0x563acd73bee0), c)
   Call: (227) [system] c=(\)
   Fail: (227) [system] c=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _1151868)
   Call: (228) [system] peek_char((0x563acd73bee0), _1152802)
   Exit: (228) [system] peek_char((0x563acd73bee0), t)
^  Call: (228) [user] is_delimiter(t)
   Call: (229) [system] char_type(t, space)
   Fail: (229) [system] char_type(t, space)
   Call: (229) [system] arg(_1157522, v('(', ')', end_of_file), t)
   Fail: (229) [system] arg(_1158454, v('(', ')', end_of_file), t)
^  Fail: (228) [user] is_delimiter(t)
   Call: (228) [system] ')'==t
   Fail: (228) [system] ')'==t
   Call: (228) [system] get_char((0x563acd73bee0), t)
   Exit: (228) [system] get_char((0x563acd73bee0), t)
   Call: (228) [system] t=(\)
   Fail: (228) [system] t=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _1165804)
   Call: (229) [system] peek_char((0x563acd73bee0), _1166738)
   Exit: (229) [system] peek_char((0x563acd73bee0), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_1171458, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_1172390, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x563acd73bee0), i)
   Exit: (229) [system] get_char((0x563acd73bee0), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _1179740)
   Call: (230) [system] peek_char((0x563acd73bee0), _1180674)
   Exit: (230) [system] peek_char((0x563acd73bee0), o)
^  Call: (230) [user] is_delimiter(o)
   Call: (231) [system] char_type(o, space)
   Fail: (231) [system] char_type(o, space)
   Call: (231) [system] arg(_1185394, v('(', ')', end_of_file), o)
   Fail: (231) [system] arg(_1186326, v('(', ')', end_of_file), o)
^  Fail: (230) [user] is_delimiter(o)
   Call: (230) [system] ')'==o
   Fail: (230) [system] ')'==o
   Call: (230) [system] get_char((0x563acd73bee0), o)
   Exit: (230) [system] get_char((0x563acd73bee0), o)
   Call: (230) [system] o=(\)
   Fail: (230) [system] o=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _1193676)
   Call: (231) [system] peek_char((0x563acd73bee0), _1194610)
   Exit: (231) [system] peek_char((0x563acd73bee0), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_1199330, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_1200262, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x563acd73bee0), n)
   Exit: (231) [system] get_char((0x563acd73bee0), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _1207612)
   Call: (232) [system] peek_char((0x563acd73bee0), _1208546)
   Exit: (232) [system] peek_char((0x563acd73bee0), 'I')
^  Call: (232) [user] is_delimiter('I')
   Call: (233) [system] char_type('I', space)
   Fail: (233) [system] char_type('I', space)
   Call: (233) [system] arg(_1213266, v('(', ')', end_of_file), 'I')
   Fail: (233) [system] arg(_1214198, v('(', ')', end_of_file), 'I')
^  Fail: (232) [user] is_delimiter('I')
   Call: (232) [system] ')'=='I'
   Fail: (232) [system] ')'=='I'
   Call: (232) [system] get_char((0x563acd73bee0), 'I')
   Exit: (232) [system] get_char((0x563acd73bee0), 'I')
   Call: (232) [system] 'I'=(\)
   Fail: (232) [system] 'I'=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _1221548)
   Call: (233) [system] peek_char((0x563acd73bee0), _1222482)
   Exit: (233) [system] peek_char((0x563acd73bee0), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_1227202, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_1228134, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x563acd73bee0), n)
   Exit: (233) [system] get_char((0x563acd73bee0), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), _1235484)
   Call: (234) [system] peek_char((0x563acd73bee0), _1236418)
   Exit: (234) [system] peek_char((0x563acd73bee0), t)
^  Call: (234) [user] is_delimiter(t)
   Call: (235) [system] char_type(t, space)
   Fail: (235) [system] char_type(t, space)
   Call: (235) [system] arg(_1241138, v('(', ')', end_of_file), t)
   Fail: (235) [system] arg(_1242070, v('(', ')', end_of_file), t)
^  Fail: (234) [user] is_delimiter(t)
   Call: (234) [system] ')'==t
   Fail: (234) [system] ')'==t
   Call: (234) [system] get_char((0x563acd73bee0), t)
   Exit: (234) [system] get_char((0x563acd73bee0), t)
   Call: (234) [system] t=(\)
   Fail: (234) [system] t=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), _1249420)
   Call: (235) [system] peek_char((0x563acd73bee0), _1250354)
   Exit: (235) [system] peek_char((0x563acd73bee0), r)
^  Call: (235) [user] is_delimiter(r)
   Call: (236) [system] char_type(r, space)
   Fail: (236) [system] char_type(r, space)
   Call: (236) [system] arg(_1255074, v('(', ')', end_of_file), r)
   Fail: (236) [system] arg(_1256006, v('(', ')', end_of_file), r)
^  Fail: (235) [user] is_delimiter(r)
   Call: (235) [system] ')'==r
   Fail: (235) [system] ')'==r
   Call: (235) [system] get_char((0x563acd73bee0), r)
   Exit: (235) [system] get_char((0x563acd73bee0), r)
   Call: (235) [system] r=(\)
   Fail: (235) [system] r=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), _1263356)
   Call: (236) [system] peek_char((0x563acd73bee0), _1264290)
   Exit: (236) [system] peek_char((0x563acd73bee0), o)
^  Call: (236) [user] is_delimiter(o)
   Call: (237) [system] char_type(o, space)
   Fail: (237) [system] char_type(o, space)
   Call: (237) [system] arg(_1269010, v('(', ')', end_of_file), o)
   Fail: (237) [system] arg(_1269942, v('(', ')', end_of_file), o)
^  Fail: (236) [user] is_delimiter(o)
   Call: (236) [system] ')'==o
   Fail: (236) [system] ')'==o
   Call: (236) [system] get_char((0x563acd73bee0), o)
   Exit: (236) [system] get_char((0x563acd73bee0), o)
   Call: (236) [system] o=(\)
   Fail: (236) [system] o=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), _1277292)
   Call: (237) [system] peek_char((0x563acd73bee0), _1278226)
   Exit: (237) [system] peek_char((0x563acd73bee0), d)
^  Call: (237) [user] is_delimiter(d)
   Call: (238) [system] char_type(d, space)
   Fail: (238) [system] char_type(d, space)
   Call: (238) [system] arg(_1282946, v('(', ')', end_of_file), d)
   Fail: (238) [system] arg(_1283878, v('(', ')', end_of_file), d)
^  Fail: (237) [user] is_delimiter(d)
   Call: (237) [system] ')'==d
   Fail: (237) [system] ')'==d
   Call: (237) [system] get_char((0x563acd73bee0), d)
   Exit: (237) [system] get_char((0x563acd73bee0), d)
   Call: (237) [system] d=(\)
   Fail: (237) [system] d=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), _1291228)
   Call: (238) [system] peek_char((0x563acd73bee0), _1292162)
   Exit: (238) [system] peek_char((0x563acd73bee0), u)
^  Call: (238) [user] is_delimiter(u)
   Call: (239) [system] char_type(u, space)
   Fail: (239) [system] char_type(u, space)
   Call: (239) [system] arg(_1296882, v('(', ')', end_of_file), u)
   Fail: (239) [system] arg(_1297814, v('(', ')', end_of_file), u)
^  Fail: (238) [user] is_delimiter(u)
   Call: (238) [system] ')'==u
   Fail: (238) [system] ')'==u
   Call: (238) [system] get_char((0x563acd73bee0), u)
   Exit: (238) [system] get_char((0x563acd73bee0), u)
   Call: (238) [system] u=(\)
   Fail: (238) [system] u=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x563acd73bee0), _1305164)
   Call: (239) [system] peek_char((0x563acd73bee0), _1306098)
   Exit: (239) [system] peek_char((0x563acd73bee0), c)
^  Call: (239) [user] is_delimiter(c)
   Call: (240) [system] char_type(c, space)
   Fail: (240) [system] char_type(c, space)
   Call: (240) [system] arg(_1310818, v('(', ')', end_of_file), c)
   Fail: (240) [system] arg(_1311750, v('(', ')', end_of_file), c)
^  Fail: (239) [user] is_delimiter(c)
   Call: (239) [system] ')'==c
   Fail: (239) [system] ')'==c
   Call: (239) [system] get_char((0x563acd73bee0), c)
   Exit: (239) [system] get_char((0x563acd73bee0), c)
   Call: (239) [system] c=(\)
   Fail: (239) [system] c=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x563acd73bee0), _1319100)
   Call: (240) [system] peek_char((0x563acd73bee0), _1320034)
   Exit: (240) [system] peek_char((0x563acd73bee0), t)
^  Call: (240) [user] is_delimiter(t)
   Call: (241) [system] char_type(t, space)
   Fail: (241) [system] char_type(t, space)
   Call: (241) [system] arg(_1324754, v('(', ')', end_of_file), t)
   Fail: (241) [system] arg(_1325686, v('(', ')', end_of_file), t)
^  Fail: (240) [user] is_delimiter(t)
   Call: (240) [system] ')'==t
   Fail: (240) [system] ')'==t
   Call: (240) [system] get_char((0x563acd73bee0), t)
   Exit: (240) [system] get_char((0x563acd73bee0), t)
   Call: (240) [system] t=(\)
   Fail: (240) [system] t=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x563acd73bee0), _1333036)
   Call: (241) [system] peek_char((0x563acd73bee0), _1333970)
   Exit: (241) [system] peek_char((0x563acd73bee0), i)
^  Call: (241) [user] is_delimiter(i)
   Call: (242) [system] char_type(i, space)
   Fail: (242) [system] char_type(i, space)
   Call: (242) [system] arg(_1338690, v('(', ')', end_of_file), i)
   Fail: (242) [system] arg(_1339622, v('(', ')', end_of_file), i)
^  Fail: (241) [user] is_delimiter(i)
   Call: (241) [system] ')'==i
   Fail: (241) [system] ')'==i
   Call: (241) [system] get_char((0x563acd73bee0), i)
   Exit: (241) [system] get_char((0x563acd73bee0), i)
   Call: (241) [system] i=(\)
   Fail: (241) [system] i=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x563acd73bee0), _1346972)
   Call: (242) [system] peek_char((0x563acd73bee0), _1347906)
   Exit: (242) [system] peek_char((0x563acd73bee0), o)
^  Call: (242) [user] is_delimiter(o)
   Call: (243) [system] char_type(o, space)
   Fail: (243) [system] char_type(o, space)
   Call: (243) [system] arg(_1352626, v('(', ')', end_of_file), o)
   Fail: (243) [system] arg(_1353558, v('(', ')', end_of_file), o)
^  Fail: (242) [user] is_delimiter(o)
   Call: (242) [system] ')'==o
   Fail: (242) [system] ')'==o
   Call: (242) [system] get_char((0x563acd73bee0), o)
   Exit: (242) [system] get_char((0x563acd73bee0), o)
   Call: (242) [system] o=(\)
   Fail: (242) [system] o=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x563acd73bee0), _1360908)
   Call: (243) [system] peek_char((0x563acd73bee0), _1361842)
   Exit: (243) [system] peek_char((0x563acd73bee0), n)
^  Call: (243) [user] is_delimiter(n)
   Call: (244) [system] char_type(n, space)
   Fail: (244) [system] char_type(n, space)
   Call: (244) [system] arg(_1366562, v('(', ')', end_of_file), n)
   Fail: (244) [system] arg(_1367494, v('(', ')', end_of_file), n)
^  Fail: (243) [user] is_delimiter(n)
   Call: (243) [system] ')'==n
   Fail: (243) [system] ')'==n
   Call: (243) [system] get_char((0x563acd73bee0), n)
   Exit: (243) [system] get_char((0x563acd73bee0), n)
   Call: (243) [system] n=(\)
   Fail: (243) [system] n=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x563acd73bee0), _1374844)
   Call: (244) [system] peek_char((0x563acd73bee0), _1375778)
   Exit: (244) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (244) [user] is_delimiter(' ')
   Call: (245) [system] char_type(' ', space)
   Exit: (245) [system] char_type(' ', space)
^  Exit: (244) [user] is_delimiter(' ')
   Call: (244) [system] _1374844=[]
   Exit: (244) [system] []=[]
^  Exit: (243) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (243) [system] _1360908=[n]
   Exit: (243) [system] [n]=[n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (242) [system] _1346972=[o, n]
   Exit: (242) [system] [o, n]=[o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (241) [system] _1333036=[i, o, n]
   Exit: (241) [system] [i, o, n]=[i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (240) [system] _1319100=[t, i, o, n]
   Exit: (240) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (239) [system] _1305164=[c, t, i, o, n]
   Exit: (239) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n])
   Call: (238) [system] _1291228=[u, c, t, i, o, n]
   Exit: (238) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, i, o, n])
   Call: (237) [system] _1277292=[d, u, c, t, i, o, n]
   Exit: (237) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, u, c, t, i, o, n])
   Call: (236) [system] _1263356=[o, d, u, c, t, i, o, n]
   Exit: (236) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, d, u, c, t, i, o, n])
   Call: (235) [system] _1249420=[r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _1235484=[t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _1221548=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _1207612=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _1193676=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _1179740=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _1165804=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _1151868=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _1137932=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _1123996=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _1110060=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1096124=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1082188=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1068252=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (221) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1032742)
^  Call: (222) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1446530)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_1447482, _1447484), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1446530), _1447464, fail)), '$restore_trace'(_1447482, _1447484))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_1447482, _1447484))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1446530), _1447464, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_1446530)
   Fail: (223) [system] atomic(_1446530)
   Call: (223) [system] atom_chars(_1446530, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (223) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (222) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (222) [system] integer('DisjunctionIntroduction')
   Fail: (222) [system] integer('DisjunctionIntroduction')
   Call: (222) [system] _1032742='DisjunctionIntroduction'
   Exit: (222) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (221) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (220) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'DisjunctionIntroduction')
^  Exit: (219) [user] cont_sexpr(')', (0x563acd73bee0), 'DisjunctionIntroduction')
^  Call: (219) [user] read_list(')', (0x563acd73bee0), _1461480)
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _1463338)
   Exit: (221) [system] peek_char((0x563acd73bee0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x563acd73bee0), _1472932)
   Exit: (221) [system] get_char((0x563acd73bee0), ' ')
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _1475636)
   Exit: (222) [system] peek_char((0x563acd73bee0), c)
   Call: (222) [system] c=(;)
   Fail: (222) [system] c=(;)
   Call: (222) [system] c=(/)
   Fail: (222) [system] c=(/)
^  Call: (222) [user] is_like_space(c)
   Call: (223) [system] char_type(c, 'white')
   Fail: (223) [system] char_type(c, 'white')
   Call: (223) [system] char_type(c, end_of_line)
   Fail: (223) [system] char_type(c, end_of_line)
   Call: (223) [system] char_type(c, space)
   Fail: (223) [system] char_type(c, space)
   Call: (223) [system] char_type(c, cntrl)
   Fail: (223) [system] char_type(c, cntrl)
^  Fail: (222) [user] is_like_space(c)
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _1492570)
   Exit: (220) [system] peek_char((0x563acd73bee0), c)
   Call: (220) [system] c=')'
   Fail: (220) [system] c=')'
   Call: (220) [system] c=end_of_file
   Fail: (220) [system] c=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x563acd73bee0), _1498140)
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _1499998)
   Exit: (222) [system] peek_char((0x563acd73bee0), c)
   Call: (222) [system] c=(;)
   Fail: (222) [system] c=(;)
   Call: (222) [system] c=(/)
   Fail: (222) [system] c=(/)
^  Call: (222) [user] is_like_space(c)
   Call: (223) [system] char_type(c, 'white')
   Fail: (223) [system] char_type(c, 'white')
   Call: (223) [system] char_type(c, end_of_line)
   Fail: (223) [system] char_type(c, end_of_line)
   Call: (223) [system] char_type(c, space)
   Fail: (223) [system] char_type(c, space)
   Call: (223) [system] char_type(c, cntrl)
   Fail: (223) [system] char_type(c, cntrl)
^  Fail: (222) [user] is_like_space(c)
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] get_char((0x563acd73bee0), _1516008)
   Exit: (221) [system] get_char((0x563acd73bee0), c)
   Call: (221) [system] c='('
   Fail: (221) [system] c='('
   Call: (221) [system] c='['
   Fail: (221) [system] c='['
   Call: (221) [system] c='{'
   Fail: (221) [system] c='{'
   Call: (221) [system] c='"'
   Fail: (221) [system] c='"'
   Call: (221) [system] c=!
   Fail: (221) [system] c=!
   Call: (221) [system] c='\''
   Fail: (221) [system] c='\''
   Call: (221) [system] c='`'
   Fail: (221) [system] c='`'
   Call: (221) [system] c=end_of_file
   Fail: (221) [system] c=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x563acd73bee0), c, _1498140)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _1533650)
   Call: (223) [system] peek_char((0x563acd73bee0), _1534584)
   Exit: (223) [system] peek_char((0x563acd73bee0), d)
^  Call: (223) [user] is_delimiter(d)
   Call: (224) [system] char_type(d, space)
   Fail: (224) [system] char_type(d, space)
   Call: (224) [system] arg(_1539304, v('(', ')', end_of_file), d)
   Fail: (224) [system] arg(_1540236, v('(', ')', end_of_file), d)
^  Fail: (223) [user] is_delimiter(d)
   Call: (223) [system] ')'==d
   Fail: (223) [system] ')'==d
   Call: (223) [system] get_char((0x563acd73bee0), d)
   Exit: (223) [system] get_char((0x563acd73bee0), d)
   Call: (223) [system] d=(\)
   Fail: (223) [system] d=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _1547586)
   Call: (224) [system] peek_char((0x563acd73bee0), _1548520)
   Exit: (224) [system] peek_char((0x563acd73bee0), e)
^  Call: (224) [user] is_delimiter(e)
   Call: (225) [system] char_type(e, space)
   Fail: (225) [system] char_type(e, space)
   Call: (225) [system] arg(_1553240, v('(', ')', end_of_file), e)
   Fail: (225) [system] arg(_1554172, v('(', ')', end_of_file), e)
^  Fail: (224) [user] is_delimiter(e)
   Call: (224) [system] ')'==e
   Fail: (224) [system] ')'==e
   Call: (224) [system] get_char((0x563acd73bee0), e)
   Exit: (224) [system] get_char((0x563acd73bee0), e)
   Call: (224) [system] e=(\)
   Fail: (224) [system] e=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _1561522)
   Call: (225) [system] peek_char((0x563acd73bee0), _1562456)
   Exit: (225) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _1561522=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (224) [system] _1547586=[e]
   Exit: (224) [system] [e]=[e]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [e])
   Call: (223) [system] _1533650=[d, e]
   Exit: (223) [system] [d, e]=[d, e]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, e])
^  Call: (222) [user] classify_and_convert_charseq([c, d, e], _1498140)
^  Call: (223) [user] classify_and_convert_charseq_([c, d, e], _1577328)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_1578280, _1578282), once(user:catch(read_from_chars([c, d, e], _1577328), _1578262, fail)), '$restore_trace'(_1578280, _1578282))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_1578280, _1578282))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1578262, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(cde)
   Exit: (224) [system] atomic(cde)
^  Exit: (223) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (223) [system] integer(cde)
   Fail: (223) [system] integer(cde)
   Call: (223) [system] _1498140=cde
   Exit: (223) [system] cde=cde
^  Exit: (222) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (221) [user] read_symbolic(')', (0x563acd73bee0), c, cde)
^  Exit: (220) [user] cont_sexpr(')', (0x563acd73bee0), cde)
^  Call: (220) [user] read_list(')', (0x563acd73bee0), _1590408)
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _1592266)
   Exit: (222) [system] peek_char((0x563acd73bee0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x563acd73bee0), _1601860)
   Exit: (222) [system] get_char((0x563acd73bee0), ' ')
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _1604564)
   Exit: (223) [system] peek_char((0x563acd73bee0), c)
   Call: (223) [system] c=(;)
   Fail: (223) [system] c=(;)
   Call: (223) [system] c=(/)
   Fail: (223) [system] c=(/)
^  Call: (223) [user] is_like_space(c)
   Call: (224) [system] char_type(c, 'white')
   Fail: (224) [system] char_type(c, 'white')
   Call: (224) [system] char_type(c, end_of_line)
   Fail: (224) [system] char_type(c, end_of_line)
   Call: (224) [system] char_type(c, space)
   Fail: (224) [system] char_type(c, space)
   Call: (224) [system] char_type(c, cntrl)
   Fail: (224) [system] char_type(c, cntrl)
^  Fail: (223) [user] is_like_space(c)
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _1621498)
   Exit: (221) [system] peek_char((0x563acd73bee0), c)
   Call: (221) [system] c=')'
   Fail: (221) [system] c=')'
   Call: (221) [system] c=end_of_file
   Fail: (221) [system] c=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x563acd73bee0), _1627068)
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _1628926)
   Exit: (223) [system] peek_char((0x563acd73bee0), c)
   Call: (223) [system] c=(;)
   Fail: (223) [system] c=(;)
   Call: (223) [system] c=(/)
   Fail: (223) [system] c=(/)
^  Call: (223) [user] is_like_space(c)
   Call: (224) [system] char_type(c, 'white')
   Fail: (224) [system] char_type(c, 'white')
   Call: (224) [system] char_type(c, end_of_line)
   Fail: (224) [system] char_type(c, end_of_line)
   Call: (224) [system] char_type(c, space)
   Fail: (224) [system] char_type(c, space)
   Call: (224) [system] char_type(c, cntrl)
   Fail: (224) [system] char_type(c, cntrl)
^  Fail: (223) [user] is_like_space(c)
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] get_char((0x563acd73bee0), _1644936)
   Exit: (222) [system] get_char((0x563acd73bee0), c)
   Call: (222) [system] c='('
   Fail: (222) [system] c='('
   Call: (222) [system] c='['
   Fail: (222) [system] c='['
   Call: (222) [system] c='{'
   Fail: (222) [system] c='{'
   Call: (222) [system] c='"'
   Fail: (222) [system] c='"'
   Call: (222) [system] c=!
   Fail: (222) [system] c=!
   Call: (222) [system] c='\''
   Fail: (222) [system] c='\''
   Call: (222) [system] c='`'
   Fail: (222) [system] c='`'
   Call: (222) [system] c=end_of_file
   Fail: (222) [system] c=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x563acd73bee0), c, _1627068)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _1662578)
   Call: (224) [system] peek_char((0x563acd73bee0), _1663512)
   Exit: (224) [system] peek_char((0x563acd73bee0), d)
^  Call: (224) [user] is_delimiter(d)
   Call: (225) [system] char_type(d, space)
   Fail: (225) [system] char_type(d, space)
   Call: (225) [system] arg(_1668232, v('(', ')', end_of_file), d)
   Fail: (225) [system] arg(_1669164, v('(', ')', end_of_file), d)
^  Fail: (224) [user] is_delimiter(d)
   Call: (224) [system] ')'==d
   Fail: (224) [system] ')'==d
   Call: (224) [system] get_char((0x563acd73bee0), d)
   Exit: (224) [system] get_char((0x563acd73bee0), d)
   Call: (224) [system] d=(\)
   Fail: (224) [system] d=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _1676514)
   Call: (225) [system] peek_char((0x563acd73bee0), _1677448)
   Exit: (225) [system] peek_char((0x563acd73bee0), e)
^  Call: (225) [user] is_delimiter(e)
   Call: (226) [system] char_type(e, space)
   Fail: (226) [system] char_type(e, space)
   Call: (226) [system] arg(_1682168, v('(', ')', end_of_file), e)
   Fail: (226) [system] arg(_1683100, v('(', ')', end_of_file), e)
^  Fail: (225) [user] is_delimiter(e)
   Call: (225) [system] ')'==e
   Fail: (225) [system] ')'==e
   Call: (225) [system] get_char((0x563acd73bee0), e)
   Exit: (225) [system] get_char((0x563acd73bee0), e)
   Call: (225) [system] e=(\)
   Fail: (225) [system] e=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _1690450)
   Call: (226) [system] peek_char((0x563acd73bee0), _1691384)
   Exit: (226) [system] peek_char((0x563acd73bee0), ')')
^  Call: (226) [user] is_delimiter(')')
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] arg(_1696104, v('(', ')', end_of_file), ')')
   Exit: (227) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (226) [user] is_delimiter(')')
   Call: (226) [system] _1690450=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (225) [system] _1676514=[e]
   Exit: (225) [system] [e]=[e]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [e])
   Call: (224) [system] _1662578=[d, e]
   Exit: (224) [system] [d, e]=[d, e]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, e])
^  Call: (223) [user] classify_and_convert_charseq([c, d, e], _1627068)
^  Call: (224) [user] classify_and_convert_charseq_([c, d, e], _1708128)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_1709080, _1709082), once(user:catch(read_from_chars([c, d, e], _1708128), _1709062, fail)), '$restore_trace'(_1709080, _1709082))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_1709080, _1709082))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1709062, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(cde)
   Exit: (225) [system] atomic(cde)
^  Exit: (224) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (224) [system] integer(cde)
   Fail: (224) [system] integer(cde)
   Call: (224) [system] _1627068=cde
   Exit: (224) [system] cde=cde
^  Exit: (223) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (222) [user] read_symbolic(')', (0x563acd73bee0), c, cde)
^  Exit: (221) [user] cont_sexpr(')', (0x563acd73bee0), cde)
^  Call: (221) [user] read_list(')', (0x563acd73bee0), _1721208)
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _1723066)
   Exit: (223) [system] peek_char((0x563acd73bee0), ')')
   Call: (223) [system] ')'=(;)
   Fail: (223) [system] ')'=(;)
   Call: (223) [system] ')'=(/)
   Fail: (223) [system] ')'=(/)
^  Call: (223) [user] is_like_space(')')
   Call: (224) [system] char_type(')', 'white')
   Fail: (224) [system] char_type(')', 'white')
   Call: (224) [system] char_type(')', end_of_line)
   Fail: (224) [system] char_type(')', end_of_line)
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] char_type(')', cntrl)
   Fail: (224) [system] char_type(')', cntrl)
^  Fail: (223) [user] is_like_space(')')
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _1739076)
   Exit: (222) [system] peek_char((0x563acd73bee0), ')')
   Call: (222) [system] ')'=')'
   Exit: (222) [system] ')'=')'
   Call: (222) [system] get_char((0x563acd73bee0), _1742866)
   Exit: (222) [system] get_char((0x563acd73bee0), ')')
   Call: (222) [system] _1721208=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_list(')', (0x563acd73bee0), [])
   Call: (221) [system] _1590408=[cde]
   Exit: (221) [system] [cde]=[cde]
^  Exit: (220) [user] read_list(')', (0x563acd73bee0), [cde])
   Call: (220) [system] _1461480=[cde, cde]
   Exit: (220) [system] [cde, cde]=[cde, cde]
^  Exit: (219) [user] read_list(')', (0x563acd73bee0), [cde, cde])
   Call: (219) [system] _987724=['DisjunctionIntroduction', cde, cde]
   Exit: (219) [system] ['DisjunctionIntroduction', cde, cde]=['DisjunctionIntroduction', cde, cde]
^  Exit: (218) [user] read_list(')', (0x563acd73bee0), ['DisjunctionIntroduction', cde, cde])
^  Exit: (217) [user] cont_sexpr(')', (0x563acd73bee0), ['DisjunctionIntroduction', cde, cde])
^  Call: (217) [user] read_list(')', (0x563acd73bee0), _1756748)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _1758606)
   Exit: (219) [system] peek_char((0x563acd73bee0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x563acd73bee0), _1768200)
   Exit: (219) [system] get_char((0x563acd73bee0), ' ')
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _1770904)
   Exit: (220) [system] peek_char((0x563acd73bee0), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _1787838)
   Exit: (218) [system] peek_char((0x563acd73bee0), '(')
   Call: (218) [system] '('=')'
   Fail: (218) [system] '('=')'
   Call: (218) [system] '('=end_of_file
   Fail: (218) [system] '('=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x563acd73bee0), _1793408)
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _1795266)
   Exit: (220) [system] peek_char((0x563acd73bee0), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] get_char((0x563acd73bee0), _1811276)
   Exit: (219) [system] get_char((0x563acd73bee0), '(')
   Call: (219) [system] '('='('
   Exit: (219) [system] '('='('
^  Call: (219) [user] read_list(')', (0x563acd73bee0), _1793408)
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _1816846)
   Exit: (221) [system] peek_char((0x563acd73bee0), 'O')
   Call: (221) [system] 'O'=(;)
   Fail: (221) [system] 'O'=(;)
   Call: (221) [system] 'O'=(/)
   Fail: (221) [system] 'O'=(/)
^  Call: (221) [user] is_like_space('O')
   Call: (222) [system] char_type('O', 'white')
   Fail: (222) [system] char_type('O', 'white')
   Call: (222) [system] char_type('O', end_of_line)
   Fail: (222) [system] char_type('O', end_of_line)
   Call: (222) [system] char_type('O', space)
   Fail: (222) [system] char_type('O', space)
   Call: (222) [system] char_type('O', cntrl)
   Fail: (222) [system] char_type('O', cntrl)
^  Fail: (221) [user] is_like_space('O')
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _1832856)
   Exit: (220) [system] peek_char((0x563acd73bee0), 'O')
   Call: (220) [system] 'O'=')'
   Fail: (220) [system] 'O'=')'
   Call: (220) [system] 'O'=end_of_file
   Fail: (220) [system] 'O'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x563acd73bee0), _1838426)
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _1840284)
   Exit: (222) [system] peek_char((0x563acd73bee0), 'O')
   Call: (222) [system] 'O'=(;)
   Fail: (222) [system] 'O'=(;)
   Call: (222) [system] 'O'=(/)
   Fail: (222) [system] 'O'=(/)
^  Call: (222) [user] is_like_space('O')
   Call: (223) [system] char_type('O', 'white')
   Fail: (223) [system] char_type('O', 'white')
   Call: (223) [system] char_type('O', end_of_line)
   Fail: (223) [system] char_type('O', end_of_line)
   Call: (223) [system] char_type('O', space)
   Fail: (223) [system] char_type('O', space)
   Call: (223) [system] char_type('O', cntrl)
   Fail: (223) [system] char_type('O', cntrl)
^  Fail: (222) [user] is_like_space('O')
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] get_char((0x563acd73bee0), _1856294)
   Exit: (221) [system] get_char((0x563acd73bee0), 'O')
   Call: (221) [system] 'O'='('
   Fail: (221) [system] 'O'='('
   Call: (221) [system] 'O'='['
   Fail: (221) [system] 'O'='['
   Call: (221) [system] 'O'='{'
   Fail: (221) [system] 'O'='{'
   Call: (221) [system] 'O'='"'
   Fail: (221) [system] 'O'='"'
   Call: (221) [system] 'O'=!
   Fail: (221) [system] 'O'=!
   Call: (221) [system] 'O'='\''
   Fail: (221) [system] 'O'='\''
   Call: (221) [system] 'O'='`'
   Fail: (221) [system] 'O'='`'
   Call: (221) [system] 'O'=end_of_file
   Fail: (221) [system] 'O'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x563acd73bee0), 'O', _1838426)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _1873936)
   Call: (223) [system] peek_char((0x563acd73bee0), _1874870)
   Exit: (223) [system] peek_char((0x563acd73bee0), r)
^  Call: (223) [user] is_delimiter(r)
   Call: (224) [system] char_type(r, space)
   Fail: (224) [system] char_type(r, space)
   Call: (224) [system] arg(_1879590, v('(', ')', end_of_file), r)
   Fail: (224) [system] arg(_1880522, v('(', ')', end_of_file), r)
^  Fail: (223) [user] is_delimiter(r)
   Call: (223) [system] ')'==r
   Fail: (223) [system] ')'==r
   Call: (223) [system] get_char((0x563acd73bee0), r)
   Exit: (223) [system] get_char((0x563acd73bee0), r)
   Call: (223) [system] r=(\)
   Fail: (223) [system] r=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _1887872)
   Call: (224) [system] peek_char((0x563acd73bee0), _1888806)
   Exit: (224) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (224) [user] is_delimiter('L')
   Call: (225) [system] char_type('L', space)
   Fail: (225) [system] char_type('L', space)
   Call: (225) [system] arg(_1893526, v('(', ')', end_of_file), 'L')
   Fail: (225) [system] arg(_1894458, v('(', ')', end_of_file), 'L')
^  Fail: (224) [user] is_delimiter('L')
   Call: (224) [system] ')'=='L'
   Fail: (224) [system] ')'=='L'
   Call: (224) [system] get_char((0x563acd73bee0), 'L')
   Exit: (224) [system] get_char((0x563acd73bee0), 'L')
   Call: (224) [system] 'L'=(\)
   Fail: (224) [system] 'L'=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _1901808)
   Call: (225) [system] peek_char((0x563acd73bee0), _1902742)
   Exit: (225) [system] peek_char((0x563acd73bee0), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_1907462, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_1908394, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x563acd73bee0), i)
   Exit: (225) [system] get_char((0x563acd73bee0), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _1915744)
   Call: (226) [system] peek_char((0x563acd73bee0), _1916678)
   Exit: (226) [system] peek_char((0x563acd73bee0), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_1921398, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_1922330, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x563acd73bee0), n)
   Exit: (226) [system] get_char((0x563acd73bee0), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _1929680)
   Call: (227) [system] peek_char((0x563acd73bee0), _1930614)
   Exit: (227) [system] peek_char((0x563acd73bee0), k)
^  Call: (227) [user] is_delimiter(k)
   Call: (228) [system] char_type(k, space)
   Fail: (228) [system] char_type(k, space)
   Call: (228) [system] arg(_1935334, v('(', ')', end_of_file), k)
   Fail: (228) [system] arg(_1936266, v('(', ')', end_of_file), k)
^  Fail: (227) [user] is_delimiter(k)
   Call: (227) [system] ')'==k
   Fail: (227) [system] ')'==k
   Call: (227) [system] get_char((0x563acd73bee0), k)
   Exit: (227) [system] get_char((0x563acd73bee0), k)
   Call: (227) [system] k=(\)
   Fail: (227) [system] k=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _1943616)
   Call: (228) [system] peek_char((0x563acd73bee0), _1944550)
   Exit: (228) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _1943616=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (227) [system] _1929680=[k]
   Exit: (227) [system] [k]=[k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (226) [system] _1915744=[n, k]
   Exit: (226) [system] [n, k]=[n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (225) [system] _1901808=[i, n, k]
   Exit: (225) [system] [i, n, k]=[i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (224) [system] _1887872=['L', i, n, k]
   Exit: (224) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (223) [system] _1873936=[r, 'L', i, n, k]
   Exit: (223) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (222) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1838426)
^  Call: (223) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1967804)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_1968756, _1968758), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1967804), _1968738, fail)), '$restore_trace'(_1968756, _1968758))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_1968756, _1968758))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1967804), _1968738, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_1967804)
   Fail: (224) [system] atomic(_1967804)
   Call: (224) [system] atom_chars(_1967804, ['O', r, 'L', i, n, k])
   Exit: (224) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (223) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (223) [system] integer('OrLink')
   Fail: (223) [system] integer('OrLink')
   Call: (223) [system] _1838426='OrLink'
   Exit: (223) [system] 'OrLink'='OrLink'
^  Exit: (222) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (221) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (220) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (220) [user] read_list(')', (0x563acd73bee0), _1982754)
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _1984612)
   Exit: (222) [system] peek_char((0x563acd73bee0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x563acd73bee0), _1994206)
   Exit: (222) [system] get_char((0x563acd73bee0), ' ')
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _1996910)
   Exit: (223) [system] peek_char((0x563acd73bee0), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
   Call: (223) [system] '('=(/)
   Fail: (223) [system] '('=(/)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _2013844)
   Exit: (221) [system] peek_char((0x563acd73bee0), '(')
   Call: (221) [system] '('=')'
   Fail: (221) [system] '('=')'
   Call: (221) [system] '('=end_of_file
   Fail: (221) [system] '('=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x563acd73bee0), _2019414)
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _2021272)
   Exit: (223) [system] peek_char((0x563acd73bee0), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
   Call: (223) [system] '('=(/)
   Fail: (223) [system] '('=(/)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] get_char((0x563acd73bee0), _2037282)
   Exit: (222) [system] get_char((0x563acd73bee0), '(')
   Call: (222) [system] '('='('
   Exit: (222) [system] '('='('
^  Call: (222) [user] read_list(')', (0x563acd73bee0), _2019414)
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _2042852)
   Exit: (224) [system] peek_char((0x563acd73bee0), 'I')
   Call: (224) [system] 'I'=(;)
   Fail: (224) [system] 'I'=(;)
   Call: (224) [system] 'I'=(/)
   Fail: (224) [system] 'I'=(/)
^  Call: (224) [user] is_like_space('I')
   Call: (225) [system] char_type('I', 'white')
   Fail: (225) [system] char_type('I', 'white')
   Call: (225) [system] char_type('I', end_of_line)
   Fail: (225) [system] char_type('I', end_of_line)
   Call: (225) [system] char_type('I', space)
   Fail: (225) [system] char_type('I', space)
   Call: (225) [system] char_type('I', cntrl)
   Fail: (225) [system] char_type('I', cntrl)
^  Fail: (224) [user] is_like_space('I')
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _2058862)
   Exit: (223) [system] peek_char((0x563acd73bee0), 'I')
   Call: (223) [system] 'I'=')'
   Fail: (223) [system] 'I'=')'
   Call: (223) [system] 'I'=end_of_file
   Fail: (223) [system] 'I'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x563acd73bee0), _2064432)
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _2066290)
   Exit: (225) [system] peek_char((0x563acd73bee0), 'I')
   Call: (225) [system] 'I'=(;)
   Fail: (225) [system] 'I'=(;)
   Call: (225) [system] 'I'=(/)
   Fail: (225) [system] 'I'=(/)
^  Call: (225) [user] is_like_space('I')
   Call: (226) [system] char_type('I', 'white')
   Fail: (226) [system] char_type('I', 'white')
   Call: (226) [system] char_type('I', end_of_line)
   Fail: (226) [system] char_type('I', end_of_line)
   Call: (226) [system] char_type('I', space)
   Fail: (226) [system] char_type('I', space)
   Call: (226) [system] char_type('I', cntrl)
   Fail: (226) [system] char_type('I', cntrl)
^  Fail: (225) [user] is_like_space('I')
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] get_char((0x563acd73bee0), _2082300)
   Exit: (224) [system] get_char((0x563acd73bee0), 'I')
   Call: (224) [system] 'I'='('
   Fail: (224) [system] 'I'='('
   Call: (224) [system] 'I'='['
   Fail: (224) [system] 'I'='['
   Call: (224) [system] 'I'='{'
   Fail: (224) [system] 'I'='{'
   Call: (224) [system] 'I'='"'
   Fail: (224) [system] 'I'='"'
   Call: (224) [system] 'I'=!
   Fail: (224) [system] 'I'=!
   Call: (224) [system] 'I'='\''
   Fail: (224) [system] 'I'='\''
   Call: (224) [system] 'I'='`'
   Fail: (224) [system] 'I'='`'
   Call: (224) [system] 'I'=end_of_file
   Fail: (224) [system] 'I'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x563acd73bee0), 'I', _5798)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _8948)
   Call: (226) [system] peek_char((0x563acd73bee0), _9882)
   Exit: (226) [system] peek_char((0x563acd73bee0), m)
^  Call: (226) [user] is_delimiter(m)
   Call: (227) [system] char_type(m, space)
   Fail: (227) [system] char_type(m, space)
   Call: (227) [system] arg(_14602, v('(', ')', end_of_file), m)
   Fail: (227) [system] arg(_15534, v('(', ')', end_of_file), m)
^  Fail: (226) [user] is_delimiter(m)
   Call: (226) [system] ')'==m
   Fail: (226) [system] ')'==m
   Call: (226) [system] get_char((0x563acd73bee0), m)
   Exit: (226) [system] get_char((0x563acd73bee0), m)
   Call: (226) [system] m=(\)
   Fail: (226) [system] m=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _22884)
   Call: (227) [system] peek_char((0x563acd73bee0), _23818)
   Exit: (227) [system] peek_char((0x563acd73bee0), p)
^  Call: (227) [user] is_delimiter(p)
   Call: (228) [system] char_type(p, space)
   Fail: (228) [system] char_type(p, space)
   Call: (228) [system] arg(_28538, v('(', ')', end_of_file), p)
   Fail: (228) [system] arg(_29470, v('(', ')', end_of_file), p)
^  Fail: (227) [user] is_delimiter(p)
   Call: (227) [system] ')'==p
   Fail: (227) [system] ')'==p
   Call: (227) [system] get_char((0x563acd73bee0), p)
   Exit: (227) [system] get_char((0x563acd73bee0), p)
   Call: (227) [system] p=(\)
   Fail: (227) [system] p=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _36820)
   Call: (228) [system] peek_char((0x563acd73bee0), _37754)
   Exit: (228) [system] peek_char((0x563acd73bee0), l)
^  Call: (228) [user] is_delimiter(l)
   Call: (229) [system] char_type(l, space)
   Fail: (229) [system] char_type(l, space)
   Call: (229) [system] arg(_42474, v('(', ')', end_of_file), l)
   Fail: (229) [system] arg(_43406, v('(', ')', end_of_file), l)
^  Fail: (228) [user] is_delimiter(l)
   Call: (228) [system] ')'==l
   Fail: (228) [system] ')'==l
   Call: (228) [system] get_char((0x563acd73bee0), l)
   Exit: (228) [system] get_char((0x563acd73bee0), l)
   Call: (228) [system] l=(\)
   Fail: (228) [system] l=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _50756)
   Call: (229) [system] peek_char((0x563acd73bee0), _51690)
   Exit: (229) [system] peek_char((0x563acd73bee0), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_56410, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_57342, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x563acd73bee0), i)
   Exit: (229) [system] get_char((0x563acd73bee0), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _64692)
   Call: (230) [system] peek_char((0x563acd73bee0), _65626)
   Exit: (230) [system] peek_char((0x563acd73bee0), c)
^  Call: (230) [user] is_delimiter(c)
   Call: (231) [system] char_type(c, space)
   Fail: (231) [system] char_type(c, space)
   Call: (231) [system] arg(_70346, v('(', ')', end_of_file), c)
   Fail: (231) [system] arg(_71278, v('(', ')', end_of_file), c)
^  Fail: (230) [user] is_delimiter(c)
   Call: (230) [system] ')'==c
   Fail: (230) [system] ')'==c
   Call: (230) [system] get_char((0x563acd73bee0), c)
   Exit: (230) [system] get_char((0x563acd73bee0), c)
   Call: (230) [system] c=(\)
   Fail: (230) [system] c=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _78628)
   Call: (231) [system] peek_char((0x563acd73bee0), _79562)
   Exit: (231) [system] peek_char((0x563acd73bee0), a)
^  Call: (231) [user] is_delimiter(a)
   Call: (232) [system] char_type(a, space)
   Fail: (232) [system] char_type(a, space)
   Call: (232) [system] arg(_84282, v('(', ')', end_of_file), a)
   Fail: (232) [system] arg(_85214, v('(', ')', end_of_file), a)
^  Fail: (231) [user] is_delimiter(a)
   Call: (231) [system] ')'==a
   Fail: (231) [system] ')'==a
   Call: (231) [system] get_char((0x563acd73bee0), a)
   Exit: (231) [system] get_char((0x563acd73bee0), a)
   Call: (231) [system] a=(\)
   Fail: (231) [system] a=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _92564)
   Call: (232) [system] peek_char((0x563acd73bee0), _93498)
   Exit: (232) [system] peek_char((0x563acd73bee0), t)
^  Call: (232) [user] is_delimiter(t)
   Call: (233) [system] char_type(t, space)
   Fail: (233) [system] char_type(t, space)
   Call: (233) [system] arg(_98218, v('(', ')', end_of_file), t)
   Fail: (233) [system] arg(_99150, v('(', ')', end_of_file), t)
^  Fail: (232) [user] is_delimiter(t)
   Call: (232) [system] ')'==t
   Fail: (232) [system] ')'==t
   Call: (232) [system] get_char((0x563acd73bee0), t)
   Exit: (232) [system] get_char((0x563acd73bee0), t)
   Call: (232) [system] t=(\)
   Fail: (232) [system] t=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _106500)
   Call: (233) [system] peek_char((0x563acd73bee0), _107434)
   Exit: (233) [system] peek_char((0x563acd73bee0), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Fail: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_112154, v('(', ')', end_of_file), i)
   Fail: (234) [system] arg(_113086, v('(', ')', end_of_file), i)
^  Fail: (233) [user] is_delimiter(i)
   Call: (233) [system] ')'==i
   Fail: (233) [system] ')'==i
   Call: (233) [system] get_char((0x563acd73bee0), i)
   Exit: (233) [system] get_char((0x563acd73bee0), i)
   Call: (233) [system] i=(\)
   Fail: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), _120436)
   Call: (234) [system] peek_char((0x563acd73bee0), _121370)
   Exit: (234) [system] peek_char((0x563acd73bee0), o)
^  Call: (234) [user] is_delimiter(o)
   Call: (235) [system] char_type(o, space)
   Fail: (235) [system] char_type(o, space)
   Call: (235) [system] arg(_126090, v('(', ')', end_of_file), o)
   Fail: (235) [system] arg(_127022, v('(', ')', end_of_file), o)
^  Fail: (234) [user] is_delimiter(o)
   Call: (234) [system] ')'==o
   Fail: (234) [system] ')'==o
   Call: (234) [system] get_char((0x563acd73bee0), o)
   Exit: (234) [system] get_char((0x563acd73bee0), o)
   Call: (234) [system] o=(\)
   Fail: (234) [system] o=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), _134372)
   Call: (235) [system] peek_char((0x563acd73bee0), _135306)
   Exit: (235) [system] peek_char((0x563acd73bee0), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Fail: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_140026, v('(', ')', end_of_file), n)
   Fail: (236) [system] arg(_140958, v('(', ')', end_of_file), n)
^  Fail: (235) [user] is_delimiter(n)
   Call: (235) [system] ')'==n
   Fail: (235) [system] ')'==n
   Call: (235) [system] get_char((0x563acd73bee0), n)
   Exit: (235) [system] get_char((0x563acd73bee0), n)
   Call: (235) [system] n=(\)
   Fail: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), _148308)
   Call: (236) [system] peek_char((0x563acd73bee0), _149242)
   Exit: (236) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (236) [user] is_delimiter(' ')
   Call: (237) [system] char_type(' ', space)
   Exit: (237) [system] char_type(' ', space)
^  Exit: (236) [user] is_delimiter(' ')
   Call: (236) [system] _148308=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (235) [system] _134372=[n]
   Exit: (235) [system] [n]=[n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (234) [system] _120436=[o, n]
   Exit: (234) [system] [o, n]=[o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (233) [system] _106500=[i, o, n]
   Exit: (233) [system] [i, o, n]=[i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (232) [system] _92564=[t, i, o, n]
   Exit: (232) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (231) [system] _78628=[a, t, i, o, n]
   Exit: (231) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (230) [system] _64692=[c, a, t, i, o, n]
   Exit: (230) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (229) [system] _50756=[i, c, a, t, i, o, n]
   Exit: (229) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (228) [system] _36820=[l, i, c, a, t, i, o, n]
   Exit: (228) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (227) [system] _22884=[p, l, i, c, a, t, i, o, n]
   Exit: (227) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (226) [system] _8948=[m, p, l, i, c, a, t, i, o, n]
   Exit: (226) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (225) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _5798)
^  Call: (226) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _186466)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_187418, _187420), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _186466), _187400, fail)), '$restore_trace'(_187418, _187420))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_187418, _187420))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _186466), _187400, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_186466)
   Fail: (227) [system] atomic(_186466)
   Call: (227) [system] atom_chars(_186466, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (227) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (226) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (226) [system] integer('Implication')
   Fail: (226) [system] integer('Implication')
   Call: (226) [system] _5798='Implication'
   Exit: (226) [system] 'Implication'='Implication'
^  Exit: (225) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (224) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (223) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (223) [user] read_list(')', (0x563acd73bee0), _201416)
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _203274)
   Exit: (225) [system] peek_char((0x563acd73bee0), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x563acd73bee0), _212868)
   Exit: (225) [system] get_char((0x563acd73bee0), ' ')
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _215572)
   Exit: (226) [system] peek_char((0x563acd73bee0), '(')
   Call: (226) [system] '('=(;)
   Fail: (226) [system] '('=(;)
   Call: (226) [system] '('=(/)
   Fail: (226) [system] '('=(/)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Fail: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Fail: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Fail: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
   Fail: (227) [system] char_type('(', cntrl)
^  Fail: (226) [user] is_like_space('(')
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _232506)
   Exit: (224) [system] peek_char((0x563acd73bee0), '(')
   Call: (224) [system] '('=')'
   Fail: (224) [system] '('=')'
   Call: (224) [system] '('=end_of_file
   Fail: (224) [system] '('=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x563acd73bee0), _238076)
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _239934)
   Exit: (226) [system] peek_char((0x563acd73bee0), '(')
   Call: (226) [system] '('=(;)
   Fail: (226) [system] '('=(;)
   Call: (226) [system] '('=(/)
   Fail: (226) [system] '('=(/)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Fail: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Fail: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Fail: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
   Fail: (227) [system] char_type('(', cntrl)
^  Fail: (226) [user] is_like_space('(')
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] get_char((0x563acd73bee0), _255944)
   Exit: (225) [system] get_char((0x563acd73bee0), '(')
   Call: (225) [system] '('='('
   Exit: (225) [system] '('='('
^  Call: (225) [user] read_list(')', (0x563acd73bee0), _238076)
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _261514)
   Exit: (227) [system] peek_char((0x563acd73bee0), 'O')
   Call: (227) [system] 'O'=(;)
   Fail: (227) [system] 'O'=(;)
   Call: (227) [system] 'O'=(/)
   Fail: (227) [system] 'O'=(/)
^  Call: (227) [user] is_like_space('O')
   Call: (228) [system] char_type('O', 'white')
   Fail: (228) [system] char_type('O', 'white')
   Call: (228) [system] char_type('O', end_of_line)
   Fail: (228) [system] char_type('O', end_of_line)
   Call: (228) [system] char_type('O', space)
   Fail: (228) [system] char_type('O', space)
   Call: (228) [system] char_type('O', cntrl)
   Fail: (228) [system] char_type('O', cntrl)
^  Fail: (227) [user] is_like_space('O')
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _277524)
   Exit: (226) [system] peek_char((0x563acd73bee0), 'O')
   Call: (226) [system] 'O'=')'
   Fail: (226) [system] 'O'=')'
   Call: (226) [system] 'O'=end_of_file
   Fail: (226) [system] 'O'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x563acd73bee0), _283094)
^  Call: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _284952)
   Exit: (228) [system] peek_char((0x563acd73bee0), 'O')
   Call: (228) [system] 'O'=(;)
   Fail: (228) [system] 'O'=(;)
   Call: (228) [system] 'O'=(/)
   Fail: (228) [system] 'O'=(/)
^  Call: (228) [user] is_like_space('O')
   Call: (229) [system] char_type('O', 'white')
   Fail: (229) [system] char_type('O', 'white')
   Call: (229) [system] char_type('O', end_of_line)
   Fail: (229) [system] char_type('O', end_of_line)
   Call: (229) [system] char_type('O', space)
   Fail: (229) [system] char_type('O', space)
   Call: (229) [system] char_type('O', cntrl)
   Fail: (229) [system] char_type('O', cntrl)
^  Fail: (228) [user] is_like_space('O')
^  Exit: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] get_char((0x563acd73bee0), _300962)
   Exit: (227) [system] get_char((0x563acd73bee0), 'O')
   Call: (227) [system] 'O'='('
   Fail: (227) [system] 'O'='('
   Call: (227) [system] 'O'='['
   Fail: (227) [system] 'O'='['
   Call: (227) [system] 'O'='{'
   Fail: (227) [system] 'O'='{'
   Call: (227) [system] 'O'='"'
   Fail: (227) [system] 'O'='"'
   Call: (227) [system] 'O'=!
   Fail: (227) [system] 'O'=!
   Call: (227) [system] 'O'='\''
   Fail: (227) [system] 'O'='\''
   Call: (227) [system] 'O'='`'
   Fail: (227) [system] 'O'='`'
   Call: (227) [system] 'O'=end_of_file
   Fail: (227) [system] 'O'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x563acd73bee0), 'O', _283094)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _318604)
   Call: (229) [system] peek_char((0x563acd73bee0), _319538)
   Exit: (229) [system] peek_char((0x563acd73bee0), r)
^  Call: (229) [user] is_delimiter(r)
   Call: (230) [system] char_type(r, space)
   Fail: (230) [system] char_type(r, space)
   Call: (230) [system] arg(_324258, v('(', ')', end_of_file), r)
   Fail: (230) [system] arg(_325190, v('(', ')', end_of_file), r)
^  Fail: (229) [user] is_delimiter(r)
   Call: (229) [system] ')'==r
   Fail: (229) [system] ')'==r
   Call: (229) [system] get_char((0x563acd73bee0), r)
   Exit: (229) [system] get_char((0x563acd73bee0), r)
   Call: (229) [system] r=(\)
   Fail: (229) [system] r=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _332540)
   Call: (230) [system] peek_char((0x563acd73bee0), _333474)
   Exit: (230) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (230) [user] is_delimiter('L')
   Call: (231) [system] char_type('L', space)
   Fail: (231) [system] char_type('L', space)
   Call: (231) [system] arg(_338194, v('(', ')', end_of_file), 'L')
   Fail: (231) [system] arg(_339126, v('(', ')', end_of_file), 'L')
^  Fail: (230) [user] is_delimiter('L')
   Call: (230) [system] ')'=='L'
   Fail: (230) [system] ')'=='L'
   Call: (230) [system] get_char((0x563acd73bee0), 'L')
   Exit: (230) [system] get_char((0x563acd73bee0), 'L')
   Call: (230) [system] 'L'=(\)
   Fail: (230) [system] 'L'=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _346476)
   Call: (231) [system] peek_char((0x563acd73bee0), _347410)
   Exit: (231) [system] peek_char((0x563acd73bee0), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Fail: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_352130, v('(', ')', end_of_file), i)
   Fail: (232) [system] arg(_353062, v('(', ')', end_of_file), i)
^  Fail: (231) [user] is_delimiter(i)
   Call: (231) [system] ')'==i
   Fail: (231) [system] ')'==i
   Call: (231) [system] get_char((0x563acd73bee0), i)
   Exit: (231) [system] get_char((0x563acd73bee0), i)
   Call: (231) [system] i=(\)
   Fail: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _360412)
   Call: (232) [system] peek_char((0x563acd73bee0), _361346)
   Exit: (232) [system] peek_char((0x563acd73bee0), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Fail: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_366066, v('(', ')', end_of_file), n)
   Fail: (233) [system] arg(_366998, v('(', ')', end_of_file), n)
^  Fail: (232) [user] is_delimiter(n)
   Call: (232) [system] ')'==n
   Fail: (232) [system] ')'==n
   Call: (232) [system] get_char((0x563acd73bee0), n)
   Exit: (232) [system] get_char((0x563acd73bee0), n)
   Call: (232) [system] n=(\)
   Fail: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _374348)
   Call: (233) [system] peek_char((0x563acd73bee0), _375282)
   Exit: (233) [system] peek_char((0x563acd73bee0), k)
^  Call: (233) [user] is_delimiter(k)
   Call: (234) [system] char_type(k, space)
   Fail: (234) [system] char_type(k, space)
   Call: (234) [system] arg(_380002, v('(', ')', end_of_file), k)
   Fail: (234) [system] arg(_380934, v('(', ')', end_of_file), k)
^  Fail: (233) [user] is_delimiter(k)
   Call: (233) [system] ')'==k
   Fail: (233) [system] ')'==k
   Call: (233) [system] get_char((0x563acd73bee0), k)
   Exit: (233) [system] get_char((0x563acd73bee0), k)
   Call: (233) [system] k=(\)
   Fail: (233) [system] k=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), _388284)
   Call: (234) [system] peek_char((0x563acd73bee0), _389218)
   Exit: (234) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _388284=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (233) [system] _374348=[k]
   Exit: (233) [system] [k]=[k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (232) [system] _360412=[n, k]
   Exit: (232) [system] [n, k]=[n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (231) [system] _346476=[i, n, k]
   Exit: (231) [system] [i, n, k]=[i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (230) [system] _332540=['L', i, n, k]
   Exit: (230) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (229) [system] _318604=[r, 'L', i, n, k]
   Exit: (229) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (228) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _283094)
^  Call: (229) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _412472)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_413424, _413426), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _412472), _413406, fail)), '$restore_trace'(_413424, _413426))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_413424, _413426))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _412472), _413406, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_412472)
   Fail: (230) [system] atomic(_412472)
   Call: (230) [system] atom_chars(_412472, ['O', r, 'L', i, n, k])
   Exit: (230) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (229) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (229) [system] integer('OrLink')
   Fail: (229) [system] integer('OrLink')
   Call: (229) [system] _283094='OrLink'
   Exit: (229) [system] 'OrLink'='OrLink'
^  Exit: (228) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (227) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (226) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (226) [user] read_list(')', (0x563acd73bee0), _427422)
^  Call: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _429280)
   Exit: (228) [system] peek_char((0x563acd73bee0), ' ')
   Call: (228) [system] ' '=(;)
   Fail: (228) [system] ' '=(;)
   Call: (228) [system] ' '=(/)
   Fail: (228) [system] ' '=(/)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x563acd73bee0), _438874)
   Exit: (228) [system] get_char((0x563acd73bee0), ' ')
^  Call: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] peek_char((0x563acd73bee0), _441578)
   Exit: (229) [system] peek_char((0x563acd73bee0), 'C')
   Call: (229) [system] 'C'=(;)
   Fail: (229) [system] 'C'=(;)
   Call: (229) [system] 'C'=(/)
   Fail: (229) [system] 'C'=(/)
^  Call: (229) [user] is_like_space('C')
   Call: (230) [system] char_type('C', 'white')
   Fail: (230) [system] char_type('C', 'white')
   Call: (230) [system] char_type('C', end_of_line)
   Fail: (230) [system] char_type('C', end_of_line)
   Call: (230) [system] char_type('C', space)
   Fail: (230) [system] char_type('C', space)
   Call: (230) [system] char_type('C', cntrl)
   Fail: (230) [system] char_type('C', cntrl)
^  Fail: (229) [user] is_like_space('C')
^  Exit: (228) [user] skip_spaces((0x563acd73bee0))
^  Exit: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _458512)
   Exit: (227) [system] peek_char((0x563acd73bee0), 'C')
   Call: (227) [system] 'C'=')'
   Fail: (227) [system] 'C'=')'
   Call: (227) [system] 'C'=end_of_file
   Fail: (227) [system] 'C'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x563acd73bee0), _464082)
^  Call: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] peek_char((0x563acd73bee0), _465940)
   Exit: (229) [system] peek_char((0x563acd73bee0), 'C')
   Call: (229) [system] 'C'=(;)
   Fail: (229) [system] 'C'=(;)
   Call: (229) [system] 'C'=(/)
   Fail: (229) [system] 'C'=(/)
^  Call: (229) [user] is_like_space('C')
   Call: (230) [system] char_type('C', 'white')
   Fail: (230) [system] char_type('C', 'white')
   Call: (230) [system] char_type('C', end_of_line)
   Fail: (230) [system] char_type('C', end_of_line)
   Call: (230) [system] char_type('C', space)
   Fail: (230) [system] char_type('C', space)
   Call: (230) [system] char_type('C', cntrl)
   Fail: (230) [system] char_type('C', cntrl)
^  Fail: (229) [user] is_like_space('C')
^  Exit: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] get_char((0x563acd73bee0), _481950)
   Exit: (228) [system] get_char((0x563acd73bee0), 'C')
   Call: (228) [system] 'C'='('
   Fail: (228) [system] 'C'='('
   Call: (228) [system] 'C'='['
   Fail: (228) [system] 'C'='['
   Call: (228) [system] 'C'='{'
   Fail: (228) [system] 'C'='{'
   Call: (228) [system] 'C'='"'
   Fail: (228) [system] 'C'='"'
   Call: (228) [system] 'C'=!
   Fail: (228) [system] 'C'=!
   Call: (228) [system] 'C'='\''
   Fail: (228) [system] 'C'='\''
   Call: (228) [system] 'C'='`'
   Fail: (228) [system] 'C'='`'
   Call: (228) [system] 'C'=end_of_file
   Fail: (228) [system] 'C'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x563acd73bee0), 'C', _464082)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _499592)
   Call: (230) [system] peek_char((0x563acd73bee0), _500526)
   Exit: (230) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _499592=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (229) [user] classify_and_convert_charseq(['C'], _464082)
^  Call: (230) [user] classify_and_convert_charseq_(['C'], _509810)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_510762, _510764), once(user:catch(read_from_chars(['C'], _509810), _510744, fail)), '$restore_trace'(_510762, _510764))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_510762, _510764))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _509810), _510744, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_509810)
   Fail: (231) [system] atomic(_509810)
   Call: (231) [system] atom_chars(_509810, ['C'])
   Exit: (231) [system] atom_chars('C', ['C'])
^  Exit: (230) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (230) [system] integer('C')
   Fail: (230) [system] integer('C')
   Call: (230) [system] _464082='C'
   Exit: (230) [system] 'C'='C'
^  Exit: (229) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (228) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (227) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (227) [user] read_list(')', (0x563acd73bee0), _524760)
^  Call: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] peek_char((0x563acd73bee0), _526618)
   Exit: (229) [system] peek_char((0x563acd73bee0), ' ')
   Call: (229) [system] ' '=(;)
   Fail: (229) [system] ' '=(;)
   Call: (229) [system] ' '=(/)
   Fail: (229) [system] ' '=(/)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x563acd73bee0), _536212)
   Exit: (229) [system] get_char((0x563acd73bee0), ' ')
^  Call: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (230) [system] peek_char((0x563acd73bee0), _538916)
   Exit: (230) [system] peek_char((0x563acd73bee0), 'D')
   Call: (230) [system] 'D'=(;)
   Fail: (230) [system] 'D'=(;)
   Call: (230) [system] 'D'=(/)
   Fail: (230) [system] 'D'=(/)
^  Call: (230) [user] is_like_space('D')
   Call: (231) [system] char_type('D', 'white')
   Fail: (231) [system] char_type('D', 'white')
   Call: (231) [system] char_type('D', end_of_line)
   Fail: (231) [system] char_type('D', end_of_line)
   Call: (231) [system] char_type('D', space)
   Fail: (231) [system] char_type('D', space)
   Call: (231) [system] char_type('D', cntrl)
   Fail: (231) [system] char_type('D', cntrl)
^  Fail: (230) [user] is_like_space('D')
^  Exit: (229) [user] skip_spaces((0x563acd73bee0))
^  Exit: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _555850)
   Exit: (228) [system] peek_char((0x563acd73bee0), 'D')
   Call: (228) [system] 'D'=')'
   Fail: (228) [system] 'D'=')'
   Call: (228) [system] 'D'=end_of_file
   Fail: (228) [system] 'D'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x563acd73bee0), _561420)
^  Call: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (230) [system] peek_char((0x563acd73bee0), _563278)
   Exit: (230) [system] peek_char((0x563acd73bee0), 'D')
   Call: (230) [system] 'D'=(;)
   Fail: (230) [system] 'D'=(;)
   Call: (230) [system] 'D'=(/)
   Fail: (230) [system] 'D'=(/)
^  Call: (230) [user] is_like_space('D')
   Call: (231) [system] char_type('D', 'white')
   Fail: (231) [system] char_type('D', 'white')
   Call: (231) [system] char_type('D', end_of_line)
   Fail: (231) [system] char_type('D', end_of_line)
   Call: (231) [system] char_type('D', space)
   Fail: (231) [system] char_type('D', space)
   Call: (231) [system] char_type('D', cntrl)
   Fail: (231) [system] char_type('D', cntrl)
^  Fail: (230) [user] is_like_space('D')
^  Exit: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] get_char((0x563acd73bee0), _579288)
   Exit: (229) [system] get_char((0x563acd73bee0), 'D')
   Call: (229) [system] 'D'='('
   Fail: (229) [system] 'D'='('
   Call: (229) [system] 'D'='['
   Fail: (229) [system] 'D'='['
   Call: (229) [system] 'D'='{'
   Fail: (229) [system] 'D'='{'
   Call: (229) [system] 'D'='"'
   Fail: (229) [system] 'D'='"'
   Call: (229) [system] 'D'=!
   Fail: (229) [system] 'D'=!
   Call: (229) [system] 'D'='\''
   Fail: (229) [system] 'D'='\''
   Call: (229) [system] 'D'='`'
   Fail: (229) [system] 'D'='`'
   Call: (229) [system] 'D'=end_of_file
   Fail: (229) [system] 'D'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x563acd73bee0), 'D', _561420)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _596930)
   Call: (231) [system] peek_char((0x563acd73bee0), _597864)
   Exit: (231) [system] peek_char((0x563acd73bee0), ')')
^  Call: (231) [user] is_delimiter(')')
   Call: (232) [system] char_type(')', space)
   Fail: (232) [system] char_type(')', space)
   Call: (232) [system] arg(_602584, v('(', ')', end_of_file), ')')
   Exit: (232) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (231) [user] is_delimiter(')')
   Call: (231) [system] _596930=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (230) [user] classify_and_convert_charseq(['D'], _561420)
^  Call: (231) [user] classify_and_convert_charseq_(['D'], _609020)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_609972, _609974), once(user:catch(read_from_chars(['D'], _609020), _609954, fail)), '$restore_trace'(_609972, _609974))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_609972, _609974))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _609020), _609954, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_609020)
   Fail: (232) [system] atomic(_609020)
   Call: (232) [system] atom_chars(_609020, ['D'])
   Exit: (232) [system] atom_chars('D', ['D'])
^  Exit: (231) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (231) [system] integer('D')
   Fail: (231) [system] integer('D')
   Call: (231) [system] _561420='D'
   Exit: (231) [system] 'D'='D'
^  Exit: (230) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (229) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'D')
^  Exit: (228) [user] cont_sexpr(')', (0x563acd73bee0), 'D')
^  Call: (228) [user] read_list(')', (0x563acd73bee0), _623970)
^  Call: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (230) [system] peek_char((0x563acd73bee0), _625828)
   Exit: (230) [system] peek_char((0x563acd73bee0), ')')
   Call: (230) [system] ')'=(;)
   Fail: (230) [system] ')'=(;)
   Call: (230) [system] ')'=(/)
   Fail: (230) [system] ')'=(/)
^  Call: (230) [user] is_like_space(')')
   Call: (231) [system] char_type(')', 'white')
   Fail: (231) [system] char_type(')', 'white')
   Call: (231) [system] char_type(')', end_of_line)
   Fail: (231) [system] char_type(')', end_of_line)
   Call: (231) [system] char_type(')', space)
   Fail: (231) [system] char_type(')', space)
   Call: (231) [system] char_type(')', cntrl)
   Fail: (231) [system] char_type(')', cntrl)
^  Fail: (230) [user] is_like_space(')')
^  Exit: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] peek_char((0x563acd73bee0), _641838)
   Exit: (229) [system] peek_char((0x563acd73bee0), ')')
   Call: (229) [system] ')'=')'
   Exit: (229) [system] ')'=')'
   Call: (229) [system] get_char((0x563acd73bee0), _645628)
   Exit: (229) [system] get_char((0x563acd73bee0), ')')
   Call: (229) [system] _623970=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_list(')', (0x563acd73bee0), [])
   Call: (228) [system] _524760=['D']
   Exit: (228) [system] ['D']=['D']
^  Exit: (227) [user] read_list(')', (0x563acd73bee0), ['D'])
   Call: (227) [system] _427422=['C', 'D']
   Exit: (227) [system] ['C', 'D']=['C', 'D']
^  Exit: (226) [user] read_list(')', (0x563acd73bee0), ['C', 'D'])
   Call: (226) [system] _238076=['OrLink', 'C', 'D']
   Exit: (226) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (225) [user] read_list(')', (0x563acd73bee0), ['OrLink', 'C', 'D'])
^  Exit: (224) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', 'C', 'D'])
^  Call: (224) [user] read_list(')', (0x563acd73bee0), _659510)
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _661368)
   Exit: (226) [system] peek_char((0x563acd73bee0), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x563acd73bee0), _670962)
   Exit: (226) [system] get_char((0x563acd73bee0), ' ')
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _673666)
   Exit: (227) [system] peek_char((0x563acd73bee0), 'E')
   Call: (227) [system] 'E'=(;)
   Fail: (227) [system] 'E'=(;)
   Call: (227) [system] 'E'=(/)
   Fail: (227) [system] 'E'=(/)
^  Call: (227) [user] is_like_space('E')
   Call: (228) [system] char_type('E', 'white')
   Fail: (228) [system] char_type('E', 'white')
   Call: (228) [system] char_type('E', end_of_line)
   Fail: (228) [system] char_type('E', end_of_line)
   Call: (228) [system] char_type('E', space)
   Fail: (228) [system] char_type('E', space)
   Call: (228) [system] char_type('E', cntrl)
   Fail: (228) [system] char_type('E', cntrl)
^  Fail: (227) [user] is_like_space('E')
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _690600)
   Exit: (225) [system] peek_char((0x563acd73bee0), 'E')
   Call: (225) [system] 'E'=')'
   Fail: (225) [system] 'E'=')'
   Call: (225) [system] 'E'=end_of_file
   Fail: (225) [system] 'E'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x563acd73bee0), _696170)
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _698028)
   Exit: (227) [system] peek_char((0x563acd73bee0), 'E')
   Call: (227) [system] 'E'=(;)
   Fail: (227) [system] 'E'=(;)
   Call: (227) [system] 'E'=(/)
   Fail: (227) [system] 'E'=(/)
^  Call: (227) [user] is_like_space('E')
   Call: (228) [system] char_type('E', 'white')
   Fail: (228) [system] char_type('E', 'white')
   Call: (228) [system] char_type('E', end_of_line)
   Fail: (228) [system] char_type('E', end_of_line)
   Call: (228) [system] char_type('E', space)
   Fail: (228) [system] char_type('E', space)
   Call: (228) [system] char_type('E', cntrl)
   Fail: (228) [system] char_type('E', cntrl)
^  Fail: (227) [user] is_like_space('E')
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] get_char((0x563acd73bee0), _714038)
   Exit: (226) [system] get_char((0x563acd73bee0), 'E')
   Call: (226) [system] 'E'='('
   Fail: (226) [system] 'E'='('
   Call: (226) [system] 'E'='['
   Fail: (226) [system] 'E'='['
   Call: (226) [system] 'E'='{'
   Fail: (226) [system] 'E'='{'
   Call: (226) [system] 'E'='"'
   Fail: (226) [system] 'E'='"'
   Call: (226) [system] 'E'=!
   Fail: (226) [system] 'E'=!
   Call: (226) [system] 'E'='\''
   Fail: (226) [system] 'E'='\''
   Call: (226) [system] 'E'='`'
   Fail: (226) [system] 'E'='`'
   Call: (226) [system] 'E'=end_of_file
   Fail: (226) [system] 'E'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x563acd73bee0), 'E', _696170)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _731680)
   Call: (228) [system] peek_char((0x563acd73bee0), _732614)
   Exit: (228) [system] peek_char((0x563acd73bee0), ')')
^  Call: (228) [user] is_delimiter(')')
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] arg(_737334, v('(', ')', end_of_file), ')')
   Exit: (229) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (228) [user] is_delimiter(')')
   Call: (228) [system] _731680=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (227) [user] classify_and_convert_charseq(['E'], _696170)
^  Call: (228) [user] classify_and_convert_charseq_(['E'], _743770)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_744722, _744724), once(user:catch(read_from_chars(['E'], _743770), _744704, fail)), '$restore_trace'(_744722, _744724))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_744722, _744724))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _743770), _744704, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_743770)
   Fail: (229) [system] atomic(_743770)
   Call: (229) [system] atom_chars(_743770, ['E'])
   Exit: (229) [system] atom_chars('E', ['E'])
^  Exit: (228) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (228) [system] integer('E')
   Fail: (228) [system] integer('E')
   Call: (228) [system] _696170='E'
   Exit: (228) [system] 'E'='E'
^  Exit: (227) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (226) [user] read_symbolic(')', (0x563acd73bee0), 'E', 'E')
^  Exit: (225) [user] cont_sexpr(')', (0x563acd73bee0), 'E')
^  Call: (225) [user] read_list(')', (0x563acd73bee0), _758720)
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _760578)
   Exit: (227) [system] peek_char((0x563acd73bee0), ')')
   Call: (227) [system] ')'=(;)
   Fail: (227) [system] ')'=(;)
   Call: (227) [system] ')'=(/)
   Fail: (227) [system] ')'=(/)
^  Call: (227) [user] is_like_space(')')
   Call: (228) [system] char_type(')', 'white')
   Fail: (228) [system] char_type(')', 'white')
   Call: (228) [system] char_type(')', end_of_line)
   Fail: (228) [system] char_type(')', end_of_line)
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] char_type(')', cntrl)
   Fail: (228) [system] char_type(')', cntrl)
^  Fail: (227) [user] is_like_space(')')
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _776588)
   Exit: (226) [system] peek_char((0x563acd73bee0), ')')
   Call: (226) [system] ')'=')'
   Exit: (226) [system] ')'=')'
   Call: (226) [system] get_char((0x563acd73bee0), _780378)
   Exit: (226) [system] get_char((0x563acd73bee0), ')')
   Call: (226) [system] _758720=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_list(')', (0x563acd73bee0), [])
   Call: (225) [system] _659510=['E']
   Exit: (225) [system] ['E']=['E']
^  Exit: (224) [user] read_list(')', (0x563acd73bee0), ['E'])
   Call: (224) [system] _201416=[['OrLink', 'C', 'D'], 'E']
   Exit: (224) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (223) [user] read_list(')', (0x563acd73bee0), [['OrLink', 'C', 'D'], 'E'])
   Call: (223) [system] _5792=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (223) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (222) [user] read_list(')', (0x563acd73bee0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (221) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (221) [user] read_list(')', (0x563acd73bee0), _794260)
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _796118)
   Exit: (223) [system] peek_char((0x563acd73bee0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x563acd73bee0), _805712)
   Exit: (223) [system] get_char((0x563acd73bee0), ' ')
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _808416)
   Exit: (224) [system] peek_char((0x563acd73bee0), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
   Call: (224) [system] '('=(/)
   Fail: (224) [system] '('=(/)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _825350)
   Exit: (222) [system] peek_char((0x563acd73bee0), '(')
   Call: (222) [system] '('=')'
   Fail: (222) [system] '('=')'
   Call: (222) [system] '('=end_of_file
   Fail: (222) [system] '('=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x563acd73bee0), _830920)
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _832778)
   Exit: (224) [system] peek_char((0x563acd73bee0), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
   Call: (224) [system] '('=(/)
   Fail: (224) [system] '('=(/)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] get_char((0x563acd73bee0), _848788)
   Exit: (223) [system] get_char((0x563acd73bee0), '(')
   Call: (223) [system] '('='('
   Exit: (223) [system] '('='('
^  Call: (223) [user] read_list(')', (0x563acd73bee0), _830920)
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _854358)
   Exit: (225) [system] peek_char((0x563acd73bee0), 'I')
   Call: (225) [system] 'I'=(;)
   Fail: (225) [system] 'I'=(;)
   Call: (225) [system] 'I'=(/)
   Fail: (225) [system] 'I'=(/)
^  Call: (225) [user] is_like_space('I')
   Call: (226) [system] char_type('I', 'white')
   Fail: (226) [system] char_type('I', 'white')
   Call: (226) [system] char_type('I', end_of_line)
   Fail: (226) [system] char_type('I', end_of_line)
   Call: (226) [system] char_type('I', space)
   Fail: (226) [system] char_type('I', space)
   Call: (226) [system] char_type('I', cntrl)
   Fail: (226) [system] char_type('I', cntrl)
^  Fail: (225) [user] is_like_space('I')
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _870368)
   Exit: (224) [system] peek_char((0x563acd73bee0), 'I')
   Call: (224) [system] 'I'=')'
   Fail: (224) [system] 'I'=')'
   Call: (224) [system] 'I'=end_of_file
   Fail: (224) [system] 'I'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x563acd73bee0), _875938)
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _877796)
   Exit: (226) [system] peek_char((0x563acd73bee0), 'I')
   Call: (226) [system] 'I'=(;)
   Fail: (226) [system] 'I'=(;)
   Call: (226) [system] 'I'=(/)
   Fail: (226) [system] 'I'=(/)
^  Call: (226) [user] is_like_space('I')
   Call: (227) [system] char_type('I', 'white')
   Fail: (227) [system] char_type('I', 'white')
   Call: (227) [system] char_type('I', end_of_line)
   Fail: (227) [system] char_type('I', end_of_line)
   Call: (227) [system] char_type('I', space)
   Fail: (227) [system] char_type('I', space)
   Call: (227) [system] char_type('I', cntrl)
   Fail: (227) [system] char_type('I', cntrl)
^  Fail: (226) [user] is_like_space('I')
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] get_char((0x563acd73bee0), _893806)
   Exit: (225) [system] get_char((0x563acd73bee0), 'I')
   Call: (225) [system] 'I'='('
   Fail: (225) [system] 'I'='('
   Call: (225) [system] 'I'='['
   Fail: (225) [system] 'I'='['
   Call: (225) [system] 'I'='{'
   Fail: (225) [system] 'I'='{'
   Call: (225) [system] 'I'='"'
   Fail: (225) [system] 'I'='"'
   Call: (225) [system] 'I'=!
   Fail: (225) [system] 'I'=!
   Call: (225) [system] 'I'='\''
   Fail: (225) [system] 'I'='\''
   Call: (225) [system] 'I'='`'
   Fail: (225) [system] 'I'='`'
   Call: (225) [system] 'I'=end_of_file
   Fail: (225) [system] 'I'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x563acd73bee0), 'I', _875938)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _911448)
   Call: (227) [system] peek_char((0x563acd73bee0), _912382)
   Exit: (227) [system] peek_char((0x563acd73bee0), m)
^  Call: (227) [user] is_delimiter(m)
   Call: (228) [system] char_type(m, space)
   Fail: (228) [system] char_type(m, space)
   Call: (228) [system] arg(_917102, v('(', ')', end_of_file), m)
   Fail: (228) [system] arg(_918034, v('(', ')', end_of_file), m)
^  Fail: (227) [user] is_delimiter(m)
   Call: (227) [system] ')'==m
   Fail: (227) [system] ')'==m
   Call: (227) [system] get_char((0x563acd73bee0), m)
   Exit: (227) [system] get_char((0x563acd73bee0), m)
   Call: (227) [system] m=(\)
   Fail: (227) [system] m=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _925384)
   Call: (228) [system] peek_char((0x563acd73bee0), _926318)
   Exit: (228) [system] peek_char((0x563acd73bee0), p)
^  Call: (228) [user] is_delimiter(p)
   Call: (229) [system] char_type(p, space)
   Fail: (229) [system] char_type(p, space)
   Call: (229) [system] arg(_931038, v('(', ')', end_of_file), p)
   Fail: (229) [system] arg(_931970, v('(', ')', end_of_file), p)
^  Fail: (228) [user] is_delimiter(p)
   Call: (228) [system] ')'==p
   Fail: (228) [system] ')'==p
   Call: (228) [system] get_char((0x563acd73bee0), p)
   Exit: (228) [system] get_char((0x563acd73bee0), p)
   Call: (228) [system] p=(\)
   Fail: (228) [system] p=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _939320)
   Call: (229) [system] peek_char((0x563acd73bee0), _940254)
   Exit: (229) [system] peek_char((0x563acd73bee0), l)
^  Call: (229) [user] is_delimiter(l)
   Call: (230) [system] char_type(l, space)
   Fail: (230) [system] char_type(l, space)
   Call: (230) [system] arg(_944974, v('(', ')', end_of_file), l)
   Fail: (230) [system] arg(_945906, v('(', ')', end_of_file), l)
^  Fail: (229) [user] is_delimiter(l)
   Call: (229) [system] ')'==l
   Fail: (229) [system] ')'==l
   Call: (229) [system] get_char((0x563acd73bee0), l)
   Exit: (229) [system] get_char((0x563acd73bee0), l)
   Call: (229) [system] l=(\)
   Fail: (229) [system] l=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _953256)
   Call: (230) [system] peek_char((0x563acd73bee0), _954190)
   Exit: (230) [system] peek_char((0x563acd73bee0), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Fail: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_958910, v('(', ')', end_of_file), i)
   Fail: (231) [system] arg(_959842, v('(', ')', end_of_file), i)
^  Fail: (230) [user] is_delimiter(i)
   Call: (230) [system] ')'==i
   Fail: (230) [system] ')'==i
   Call: (230) [system] get_char((0x563acd73bee0), i)
   Exit: (230) [system] get_char((0x563acd73bee0), i)
   Call: (230) [system] i=(\)
   Fail: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _967192)
   Call: (231) [system] peek_char((0x563acd73bee0), _968126)
   Exit: (231) [system] peek_char((0x563acd73bee0), c)
^  Call: (231) [user] is_delimiter(c)
   Call: (232) [system] char_type(c, space)
   Fail: (232) [system] char_type(c, space)
   Call: (232) [system] arg(_972846, v('(', ')', end_of_file), c)
   Fail: (232) [system] arg(_973778, v('(', ')', end_of_file), c)
^  Fail: (231) [user] is_delimiter(c)
   Call: (231) [system] ')'==c
   Fail: (231) [system] ')'==c
   Call: (231) [system] get_char((0x563acd73bee0), c)
   Exit: (231) [system] get_char((0x563acd73bee0), c)
   Call: (231) [system] c=(\)
   Fail: (231) [system] c=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _981128)
   Call: (232) [system] peek_char((0x563acd73bee0), _982062)
   Exit: (232) [system] peek_char((0x563acd73bee0), a)
^  Call: (232) [user] is_delimiter(a)
   Call: (233) [system] char_type(a, space)
   Fail: (233) [system] char_type(a, space)
   Call: (233) [system] arg(_986782, v('(', ')', end_of_file), a)
   Fail: (233) [system] arg(_987714, v('(', ')', end_of_file), a)
^  Fail: (232) [user] is_delimiter(a)
   Call: (232) [system] ')'==a
   Fail: (232) [system] ')'==a
   Call: (232) [system] get_char((0x563acd73bee0), a)
   Exit: (232) [system] get_char((0x563acd73bee0), a)
   Call: (232) [system] a=(\)
   Fail: (232) [system] a=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _995064)
   Call: (233) [system] peek_char((0x563acd73bee0), _995998)
   Exit: (233) [system] peek_char((0x563acd73bee0), t)
^  Call: (233) [user] is_delimiter(t)
   Call: (234) [system] char_type(t, space)
   Fail: (234) [system] char_type(t, space)
   Call: (234) [system] arg(_1000718, v('(', ')', end_of_file), t)
   Fail: (234) [system] arg(_1001650, v('(', ')', end_of_file), t)
^  Fail: (233) [user] is_delimiter(t)
   Call: (233) [system] ')'==t
   Fail: (233) [system] ')'==t
   Call: (233) [system] get_char((0x563acd73bee0), t)
   Exit: (233) [system] get_char((0x563acd73bee0), t)
   Call: (233) [system] t=(\)
   Fail: (233) [system] t=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), _1009000)
   Call: (234) [system] peek_char((0x563acd73bee0), _1009934)
   Exit: (234) [system] peek_char((0x563acd73bee0), i)
^  Call: (234) [user] is_delimiter(i)
   Call: (235) [system] char_type(i, space)
   Fail: (235) [system] char_type(i, space)
   Call: (235) [system] arg(_1014654, v('(', ')', end_of_file), i)
   Fail: (235) [system] arg(_1015586, v('(', ')', end_of_file), i)
^  Fail: (234) [user] is_delimiter(i)
   Call: (234) [system] ')'==i
   Fail: (234) [system] ')'==i
   Call: (234) [system] get_char((0x563acd73bee0), i)
   Exit: (234) [system] get_char((0x563acd73bee0), i)
   Call: (234) [system] i=(\)
   Fail: (234) [system] i=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), _1022936)
   Call: (235) [system] peek_char((0x563acd73bee0), _1023870)
   Exit: (235) [system] peek_char((0x563acd73bee0), o)
^  Call: (235) [user] is_delimiter(o)
   Call: (236) [system] char_type(o, space)
   Fail: (236) [system] char_type(o, space)
   Call: (236) [system] arg(_1028590, v('(', ')', end_of_file), o)
   Fail: (236) [system] arg(_1029522, v('(', ')', end_of_file), o)
^  Fail: (235) [user] is_delimiter(o)
   Call: (235) [system] ')'==o
   Fail: (235) [system] ')'==o
   Call: (235) [system] get_char((0x563acd73bee0), o)
   Exit: (235) [system] get_char((0x563acd73bee0), o)
   Call: (235) [system] o=(\)
   Fail: (235) [system] o=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), _1036872)
   Call: (236) [system] peek_char((0x563acd73bee0), _1037806)
   Exit: (236) [system] peek_char((0x563acd73bee0), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Fail: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_1042526, v('(', ')', end_of_file), n)
   Fail: (237) [system] arg(_1043458, v('(', ')', end_of_file), n)
^  Fail: (236) [user] is_delimiter(n)
   Call: (236) [system] ')'==n
   Fail: (236) [system] ')'==n
   Call: (236) [system] get_char((0x563acd73bee0), n)
   Exit: (236) [system] get_char((0x563acd73bee0), n)
   Call: (236) [system] n=(\)
   Fail: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), _1050808)
   Call: (237) [system] peek_char((0x563acd73bee0), _1051742)
   Exit: (237) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (237) [user] is_delimiter(' ')
   Call: (238) [system] char_type(' ', space)
   Exit: (238) [system] char_type(' ', space)
^  Exit: (237) [user] is_delimiter(' ')
   Call: (237) [system] _1050808=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (236) [system] _1036872=[n]
   Exit: (236) [system] [n]=[n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (235) [system] _1022936=[o, n]
   Exit: (235) [system] [o, n]=[o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (234) [system] _1009000=[i, o, n]
   Exit: (234) [system] [i, o, n]=[i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (233) [system] _995064=[t, i, o, n]
   Exit: (233) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (232) [system] _981128=[a, t, i, o, n]
   Exit: (232) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (231) [system] _967192=[c, a, t, i, o, n]
   Exit: (231) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (230) [system] _953256=[i, c, a, t, i, o, n]
   Exit: (230) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (229) [system] _939320=[l, i, c, a, t, i, o, n]
   Exit: (229) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (228) [system] _925384=[p, l, i, c, a, t, i, o, n]
   Exit: (228) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (227) [system] _911448=[m, p, l, i, c, a, t, i, o, n]
   Exit: (227) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (226) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _875938)
^  Call: (227) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1088966)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1089918, _1089920), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1088966), _1089900, fail)), '$restore_trace'(_1089918, _1089920))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1089918, _1089920))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1088966), _1089900, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_1088966)
   Fail: (228) [system] atomic(_1088966)
   Call: (228) [system] atom_chars(_1088966, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (228) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (227) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (227) [system] integer('Implication')
   Fail: (227) [system] integer('Implication')
   Call: (227) [system] _875938='Implication'
   Exit: (227) [system] 'Implication'='Implication'
^  Exit: (226) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (225) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (224) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (224) [user] read_list(')', (0x563acd73bee0), _1103916)
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _1105774)
   Exit: (226) [system] peek_char((0x563acd73bee0), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x563acd73bee0), _1115368)
   Exit: (226) [system] get_char((0x563acd73bee0), ' ')
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _1118072)
   Exit: (227) [system] peek_char((0x563acd73bee0), '(')
   Call: (227) [system] '('=(;)
   Fail: (227) [system] '('=(;)
   Call: (227) [system] '('=(/)
   Fail: (227) [system] '('=(/)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Fail: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Fail: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Fail: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
   Fail: (228) [system] char_type('(', cntrl)
^  Fail: (227) [user] is_like_space('(')
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _1135006)
   Exit: (225) [system] peek_char((0x563acd73bee0), '(')
   Call: (225) [system] '('=')'
   Fail: (225) [system] '('=')'
   Call: (225) [system] '('=end_of_file
   Fail: (225) [system] '('=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x563acd73bee0), _1140576)
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _1142434)
   Exit: (227) [system] peek_char((0x563acd73bee0), '(')
   Call: (227) [system] '('=(;)
   Fail: (227) [system] '('=(;)
   Call: (227) [system] '('=(/)
   Fail: (227) [system] '('=(/)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Fail: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Fail: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Fail: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
   Fail: (228) [system] char_type('(', cntrl)
^  Fail: (227) [user] is_like_space('(')
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] get_char((0x563acd73bee0), _1158444)
   Exit: (226) [system] get_char((0x563acd73bee0), '(')
   Call: (226) [system] '('='('
   Exit: (226) [system] '('='('
^  Call: (226) [user] read_list(')', (0x563acd73bee0), _1140576)
^  Call: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _1164014)
   Exit: (228) [system] peek_char((0x563acd73bee0), 'O')
   Call: (228) [system] 'O'=(;)
   Fail: (228) [system] 'O'=(;)
   Call: (228) [system] 'O'=(/)
   Fail: (228) [system] 'O'=(/)
^  Call: (228) [user] is_like_space('O')
   Call: (229) [system] char_type('O', 'white')
   Fail: (229) [system] char_type('O', 'white')
   Call: (229) [system] char_type('O', end_of_line)
   Fail: (229) [system] char_type('O', end_of_line)
   Call: (229) [system] char_type('O', space)
   Fail: (229) [system] char_type('O', space)
   Call: (229) [system] char_type('O', cntrl)
   Fail: (229) [system] char_type('O', cntrl)
^  Fail: (228) [user] is_like_space('O')
^  Exit: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _1180024)
   Exit: (227) [system] peek_char((0x563acd73bee0), 'O')
   Call: (227) [system] 'O'=')'
   Fail: (227) [system] 'O'=')'
   Call: (227) [system] 'O'=end_of_file
   Fail: (227) [system] 'O'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x563acd73bee0), _1185594)
^  Call: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] peek_char((0x563acd73bee0), _1187452)
   Exit: (229) [system] peek_char((0x563acd73bee0), 'O')
   Call: (229) [system] 'O'=(;)
   Fail: (229) [system] 'O'=(;)
   Call: (229) [system] 'O'=(/)
   Fail: (229) [system] 'O'=(/)
^  Call: (229) [user] is_like_space('O')
   Call: (230) [system] char_type('O', 'white')
   Fail: (230) [system] char_type('O', 'white')
   Call: (230) [system] char_type('O', end_of_line)
   Fail: (230) [system] char_type('O', end_of_line)
   Call: (230) [system] char_type('O', space)
   Fail: (230) [system] char_type('O', space)
   Call: (230) [system] char_type('O', cntrl)
   Fail: (230) [system] char_type('O', cntrl)
^  Fail: (229) [user] is_like_space('O')
^  Exit: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] get_char((0x563acd73bee0), _1203462)
   Exit: (228) [system] get_char((0x563acd73bee0), 'O')
   Call: (228) [system] 'O'='('
   Fail: (228) [system] 'O'='('
   Call: (228) [system] 'O'='['
   Fail: (228) [system] 'O'='['
   Call: (228) [system] 'O'='{'
   Fail: (228) [system] 'O'='{'
   Call: (228) [system] 'O'='"'
   Fail: (228) [system] 'O'='"'
   Call: (228) [system] 'O'=!
   Fail: (228) [system] 'O'=!
   Call: (228) [system] 'O'='\''
   Fail: (228) [system] 'O'='\''
   Call: (228) [system] 'O'='`'
   Fail: (228) [system] 'O'='`'
   Call: (228) [system] 'O'=end_of_file
   Fail: (228) [system] 'O'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x563acd73bee0), 'O', _1185594)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _1221104)
   Call: (230) [system] peek_char((0x563acd73bee0), _1222038)
   Exit: (230) [system] peek_char((0x563acd73bee0), r)
^  Call: (230) [user] is_delimiter(r)
   Call: (231) [system] char_type(r, space)
   Fail: (231) [system] char_type(r, space)
   Call: (231) [system] arg(_1226758, v('(', ')', end_of_file), r)
   Fail: (231) [system] arg(_1227690, v('(', ')', end_of_file), r)
^  Fail: (230) [user] is_delimiter(r)
   Call: (230) [system] ')'==r
   Fail: (230) [system] ')'==r
   Call: (230) [system] get_char((0x563acd73bee0), r)
   Exit: (230) [system] get_char((0x563acd73bee0), r)
   Call: (230) [system] r=(\)
   Fail: (230) [system] r=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _1235040)
   Call: (231) [system] peek_char((0x563acd73bee0), _1235974)
   Exit: (231) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (231) [user] is_delimiter('L')
   Call: (232) [system] char_type('L', space)
   Fail: (232) [system] char_type('L', space)
   Call: (232) [system] arg(_1240694, v('(', ')', end_of_file), 'L')
   Fail: (232) [system] arg(_1241626, v('(', ')', end_of_file), 'L')
^  Fail: (231) [user] is_delimiter('L')
   Call: (231) [system] ')'=='L'
   Fail: (231) [system] ')'=='L'
   Call: (231) [system] get_char((0x563acd73bee0), 'L')
   Exit: (231) [system] get_char((0x563acd73bee0), 'L')
   Call: (231) [system] 'L'=(\)
   Fail: (231) [system] 'L'=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _1248976)
   Call: (232) [system] peek_char((0x563acd73bee0), _1249910)
   Exit: (232) [system] peek_char((0x563acd73bee0), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Fail: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_1254630, v('(', ')', end_of_file), i)
   Fail: (233) [system] arg(_1255562, v('(', ')', end_of_file), i)
^  Fail: (232) [user] is_delimiter(i)
   Call: (232) [system] ')'==i
   Fail: (232) [system] ')'==i
   Call: (232) [system] get_char((0x563acd73bee0), i)
   Exit: (232) [system] get_char((0x563acd73bee0), i)
   Call: (232) [system] i=(\)
   Fail: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _1262912)
   Call: (233) [system] peek_char((0x563acd73bee0), _1263846)
   Exit: (233) [system] peek_char((0x563acd73bee0), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_1268566, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_1269498, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x563acd73bee0), n)
   Exit: (233) [system] get_char((0x563acd73bee0), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), _1276848)
   Call: (234) [system] peek_char((0x563acd73bee0), _1277782)
   Exit: (234) [system] peek_char((0x563acd73bee0), k)
^  Call: (234) [user] is_delimiter(k)
   Call: (235) [system] char_type(k, space)
   Fail: (235) [system] char_type(k, space)
   Call: (235) [system] arg(_1282502, v('(', ')', end_of_file), k)
   Fail: (235) [system] arg(_1283434, v('(', ')', end_of_file), k)
^  Fail: (234) [user] is_delimiter(k)
   Call: (234) [system] ')'==k
   Fail: (234) [system] ')'==k
   Call: (234) [system] get_char((0x563acd73bee0), k)
   Exit: (234) [system] get_char((0x563acd73bee0), k)
   Call: (234) [system] k=(\)
   Fail: (234) [system] k=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), _1290784)
   Call: (235) [system] peek_char((0x563acd73bee0), _1291718)
   Exit: (235) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (235) [user] is_delimiter(' ')
   Call: (236) [system] char_type(' ', space)
   Exit: (236) [system] char_type(' ', space)
^  Exit: (235) [user] is_delimiter(' ')
   Call: (235) [system] _1290784=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (234) [system] _1276848=[k]
   Exit: (234) [system] [k]=[k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (233) [system] _1262912=[n, k]
   Exit: (233) [system] [n, k]=[n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (232) [system] _1248976=[i, n, k]
   Exit: (232) [system] [i, n, k]=[i, n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (231) [system] _1235040=['L', i, n, k]
   Exit: (231) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (230) [system] _1221104=[r, 'L', i, n, k]
   Exit: (230) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (229) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1185594)
^  Call: (230) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1314972)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_1315924, _1315926), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1314972), _1315906, fail)), '$restore_trace'(_1315924, _1315926))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_1315924, _1315926))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1314972), _1315906, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_1314972)
   Fail: (231) [system] atomic(_1314972)
   Call: (231) [system] atom_chars(_1314972, ['O', r, 'L', i, n, k])
   Exit: (231) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (230) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (230) [system] integer('OrLink')
   Fail: (230) [system] integer('OrLink')
   Call: (230) [system] _1185594='OrLink'
   Exit: (230) [system] 'OrLink'='OrLink'
^  Exit: (229) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (228) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (227) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (227) [user] read_list(')', (0x563acd73bee0), _1329922)
^  Call: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] peek_char((0x563acd73bee0), _1331780)
   Exit: (229) [system] peek_char((0x563acd73bee0), ' ')
   Call: (229) [system] ' '=(;)
   Fail: (229) [system] ' '=(;)
   Call: (229) [system] ' '=(/)
   Fail: (229) [system] ' '=(/)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x563acd73bee0), _1341374)
   Exit: (229) [system] get_char((0x563acd73bee0), ' ')
^  Call: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (230) [system] peek_char((0x563acd73bee0), _1344078)
   Exit: (230) [system] peek_char((0x563acd73bee0), 'C')
   Call: (230) [system] 'C'=(;)
   Fail: (230) [system] 'C'=(;)
   Call: (230) [system] 'C'=(/)
   Fail: (230) [system] 'C'=(/)
^  Call: (230) [user] is_like_space('C')
   Call: (231) [system] char_type('C', 'white')
   Fail: (231) [system] char_type('C', 'white')
   Call: (231) [system] char_type('C', end_of_line)
   Fail: (231) [system] char_type('C', end_of_line)
   Call: (231) [system] char_type('C', space)
   Fail: (231) [system] char_type('C', space)
   Call: (231) [system] char_type('C', cntrl)
   Fail: (231) [system] char_type('C', cntrl)
^  Fail: (230) [user] is_like_space('C')
^  Exit: (229) [user] skip_spaces((0x563acd73bee0))
^  Exit: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _1361012)
   Exit: (228) [system] peek_char((0x563acd73bee0), 'C')
   Call: (228) [system] 'C'=')'
   Fail: (228) [system] 'C'=')'
   Call: (228) [system] 'C'=end_of_file
   Fail: (228) [system] 'C'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x563acd73bee0), _1366582)
^  Call: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (230) [system] peek_char((0x563acd73bee0), _1368440)
   Exit: (230) [system] peek_char((0x563acd73bee0), 'C')
   Call: (230) [system] 'C'=(;)
   Fail: (230) [system] 'C'=(;)
   Call: (230) [system] 'C'=(/)
   Fail: (230) [system] 'C'=(/)
^  Call: (230) [user] is_like_space('C')
   Call: (231) [system] char_type('C', 'white')
   Fail: (231) [system] char_type('C', 'white')
   Call: (231) [system] char_type('C', end_of_line)
   Fail: (231) [system] char_type('C', end_of_line)
   Call: (231) [system] char_type('C', space)
   Fail: (231) [system] char_type('C', space)
   Call: (231) [system] char_type('C', cntrl)
   Fail: (231) [system] char_type('C', cntrl)
^  Fail: (230) [user] is_like_space('C')
^  Exit: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] get_char((0x563acd73bee0), _1384450)
   Exit: (229) [system] get_char((0x563acd73bee0), 'C')
   Call: (229) [system] 'C'='('
   Fail: (229) [system] 'C'='('
   Call: (229) [system] 'C'='['
   Fail: (229) [system] 'C'='['
   Call: (229) [system] 'C'='{'
   Fail: (229) [system] 'C'='{'
   Call: (229) [system] 'C'='"'
   Fail: (229) [system] 'C'='"'
   Call: (229) [system] 'C'=!
   Fail: (229) [system] 'C'=!
   Call: (229) [system] 'C'='\''
   Fail: (229) [system] 'C'='\''
   Call: (229) [system] 'C'='`'
   Fail: (229) [system] 'C'='`'
   Call: (229) [system] 'C'=end_of_file
   Fail: (229) [system] 'C'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x563acd73bee0), 'C', _1366582)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _1402092)
   Call: (231) [system] peek_char((0x563acd73bee0), _1403026)
   Exit: (231) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _1402092=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (230) [user] classify_and_convert_charseq(['C'], _1366582)
^  Call: (231) [user] classify_and_convert_charseq_(['C'], _1412310)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_1413262, _1413264), once(user:catch(read_from_chars(['C'], _1412310), _1413244, fail)), '$restore_trace'(_1413262, _1413264))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_1413262, _1413264))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1412310), _1413244, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_1412310)
   Fail: (232) [system] atomic(_1412310)
   Call: (232) [system] atom_chars(_1412310, ['C'])
   Exit: (232) [system] atom_chars('C', ['C'])
^  Exit: (231) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (231) [system] integer('C')
   Fail: (231) [system] integer('C')
   Call: (231) [system] _1366582='C'
   Exit: (231) [system] 'C'='C'
^  Exit: (230) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (229) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (228) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (228) [user] read_list(')', (0x563acd73bee0), _1427260)
^  Call: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (230) [system] peek_char((0x563acd73bee0), _1429118)
   Exit: (230) [system] peek_char((0x563acd73bee0), ' ')
   Call: (230) [system] ' '=(;)
   Fail: (230) [system] ' '=(;)
   Call: (230) [system] ' '=(/)
   Fail: (230) [system] ' '=(/)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x563acd73bee0), _1438712)
   Exit: (230) [system] get_char((0x563acd73bee0), ' ')
^  Call: (230) [user] skip_spaces((0x563acd73bee0))
   Call: (231) [system] peek_char((0x563acd73bee0), _1441416)
   Exit: (231) [system] peek_char((0x563acd73bee0), 'D')
   Call: (231) [system] 'D'=(;)
   Fail: (231) [system] 'D'=(;)
   Call: (231) [system] 'D'=(/)
   Fail: (231) [system] 'D'=(/)
^  Call: (231) [user] is_like_space('D')
   Call: (232) [system] char_type('D', 'white')
   Fail: (232) [system] char_type('D', 'white')
   Call: (232) [system] char_type('D', end_of_line)
   Fail: (232) [system] char_type('D', end_of_line)
   Call: (232) [system] char_type('D', space)
   Fail: (232) [system] char_type('D', space)
   Call: (232) [system] char_type('D', cntrl)
   Fail: (232) [system] char_type('D', cntrl)
^  Fail: (231) [user] is_like_space('D')
^  Exit: (230) [user] skip_spaces((0x563acd73bee0))
^  Exit: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] peek_char((0x563acd73bee0), _1458350)
   Exit: (229) [system] peek_char((0x563acd73bee0), 'D')
   Call: (229) [system] 'D'=')'
   Fail: (229) [system] 'D'=')'
   Call: (229) [system] 'D'=end_of_file
   Fail: (229) [system] 'D'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x563acd73bee0), _1463920)
^  Call: (230) [user] skip_spaces((0x563acd73bee0))
   Call: (231) [system] peek_char((0x563acd73bee0), _1465778)
   Exit: (231) [system] peek_char((0x563acd73bee0), 'D')
   Call: (231) [system] 'D'=(;)
   Fail: (231) [system] 'D'=(;)
   Call: (231) [system] 'D'=(/)
   Fail: (231) [system] 'D'=(/)
^  Call: (231) [user] is_like_space('D')
   Call: (232) [system] char_type('D', 'white')
   Fail: (232) [system] char_type('D', 'white')
   Call: (232) [system] char_type('D', end_of_line)
   Fail: (232) [system] char_type('D', end_of_line)
   Call: (232) [system] char_type('D', space)
   Fail: (232) [system] char_type('D', space)
   Call: (232) [system] char_type('D', cntrl)
   Fail: (232) [system] char_type('D', cntrl)
^  Fail: (231) [user] is_like_space('D')
^  Exit: (230) [user] skip_spaces((0x563acd73bee0))
   Call: (230) [system] get_char((0x563acd73bee0), _1481788)
   Exit: (230) [system] get_char((0x563acd73bee0), 'D')
   Call: (230) [system] 'D'='('
   Fail: (230) [system] 'D'='('
   Call: (230) [system] 'D'='['
   Fail: (230) [system] 'D'='['
   Call: (230) [system] 'D'='{'
   Fail: (230) [system] 'D'='{'
   Call: (230) [system] 'D'='"'
   Fail: (230) [system] 'D'='"'
   Call: (230) [system] 'D'=!
   Fail: (230) [system] 'D'=!
   Call: (230) [system] 'D'='\''
   Fail: (230) [system] 'D'='\''
   Call: (230) [system] 'D'='`'
   Fail: (230) [system] 'D'='`'
   Call: (230) [system] 'D'=end_of_file
   Fail: (230) [system] 'D'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x563acd73bee0), 'D', _1463920)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _1499430)
   Call: (232) [system] peek_char((0x563acd73bee0), _1500364)
   Exit: (232) [system] peek_char((0x563acd73bee0), ')')
^  Call: (232) [user] is_delimiter(')')
   Call: (233) [system] char_type(')', space)
   Fail: (233) [system] char_type(')', space)
   Call: (233) [system] arg(_1505084, v('(', ')', end_of_file), ')')
   Exit: (233) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (232) [user] is_delimiter(')')
   Call: (232) [system] _1499430=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (231) [user] classify_and_convert_charseq(['D'], _1463920)
^  Call: (232) [user] classify_and_convert_charseq_(['D'], _1511520)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_1512472, _1512474), once(user:catch(read_from_chars(['D'], _1511520), _1512454, fail)), '$restore_trace'(_1512472, _1512474))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_1512472, _1512474))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1511520), _1512454, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(_1511520)
   Fail: (233) [system] atomic(_1511520)
   Call: (233) [system] atom_chars(_1511520, ['D'])
   Exit: (233) [system] atom_chars('D', ['D'])
^  Exit: (232) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (232) [system] integer('D')
   Fail: (232) [system] integer('D')
   Call: (232) [system] _1463920='D'
   Exit: (232) [system] 'D'='D'
^  Exit: (231) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (230) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'D')
^  Exit: (229) [user] cont_sexpr(')', (0x563acd73bee0), 'D')
^  Call: (229) [user] read_list(')', (0x563acd73bee0), _1526470)
^  Call: (230) [user] skip_spaces((0x563acd73bee0))
   Call: (231) [system] peek_char((0x563acd73bee0), _1528328)
   Exit: (231) [system] peek_char((0x563acd73bee0), ')')
   Call: (231) [system] ')'=(;)
   Fail: (231) [system] ')'=(;)
   Call: (231) [system] ')'=(/)
   Fail: (231) [system] ')'=(/)
^  Call: (231) [user] is_like_space(')')
   Call: (232) [system] char_type(')', 'white')
   Fail: (232) [system] char_type(')', 'white')
   Call: (232) [system] char_type(')', end_of_line)
   Fail: (232) [system] char_type(')', end_of_line)
   Call: (232) [system] char_type(')', space)
   Fail: (232) [system] char_type(')', space)
   Call: (232) [system] char_type(')', cntrl)
   Fail: (232) [system] char_type(')', cntrl)
^  Fail: (231) [user] is_like_space(')')
^  Exit: (230) [user] skip_spaces((0x563acd73bee0))
   Call: (230) [system] peek_char((0x563acd73bee0), _1544338)
   Exit: (230) [system] peek_char((0x563acd73bee0), ')')
   Call: (230) [system] ')'=')'
   Exit: (230) [system] ')'=')'
   Call: (230) [system] get_char((0x563acd73bee0), _1548128)
   Exit: (230) [system] get_char((0x563acd73bee0), ')')
   Call: (230) [system] _1526470=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_list(')', (0x563acd73bee0), [])
   Call: (229) [system] _1427260=['D']
   Exit: (229) [system] ['D']=['D']
^  Exit: (228) [user] read_list(')', (0x563acd73bee0), ['D'])
   Call: (228) [system] _1329922=['C', 'D']
   Exit: (228) [system] ['C', 'D']=['C', 'D']
^  Exit: (227) [user] read_list(')', (0x563acd73bee0), ['C', 'D'])
   Call: (227) [system] _1140576=['OrLink', 'C', 'D']
   Exit: (227) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (226) [user] read_list(')', (0x563acd73bee0), ['OrLink', 'C', 'D'])
^  Exit: (225) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', 'C', 'D'])
^  Call: (225) [user] read_list(')', (0x563acd73bee0), _1562010)
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _1563868)
   Exit: (227) [system] peek_char((0x563acd73bee0), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
   Call: (227) [system] ' '=(/)
   Fail: (227) [system] ' '=(/)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x563acd73bee0), _1573462)
   Exit: (227) [system] get_char((0x563acd73bee0), ' ')
^  Call: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _1576166)
   Exit: (228) [system] peek_char((0x563acd73bee0), 'E')
   Call: (228) [system] 'E'=(;)
   Fail: (228) [system] 'E'=(;)
   Call: (228) [system] 'E'=(/)
   Fail: (228) [system] 'E'=(/)
^  Call: (228) [user] is_like_space('E')
   Call: (229) [system] char_type('E', 'white')
   Fail: (229) [system] char_type('E', 'white')
   Call: (229) [system] char_type('E', end_of_line)
   Fail: (229) [system] char_type('E', end_of_line)
   Call: (229) [system] char_type('E', space)
   Fail: (229) [system] char_type('E', space)
   Call: (229) [system] char_type('E', cntrl)
   Fail: (229) [system] char_type('E', cntrl)
^  Fail: (228) [user] is_like_space('E')
^  Exit: (227) [user] skip_spaces((0x563acd73bee0))
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _1593100)
   Exit: (226) [system] peek_char((0x563acd73bee0), 'E')
   Call: (226) [system] 'E'=')'
   Fail: (226) [system] 'E'=')'
   Call: (226) [system] 'E'=end_of_file
   Fail: (226) [system] 'E'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x563acd73bee0), _1598670)
^  Call: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _1600528)
   Exit: (228) [system] peek_char((0x563acd73bee0), 'E')
   Call: (228) [system] 'E'=(;)
   Fail: (228) [system] 'E'=(;)
   Call: (228) [system] 'E'=(/)
   Fail: (228) [system] 'E'=(/)
^  Call: (228) [user] is_like_space('E')
   Call: (229) [system] char_type('E', 'white')
   Fail: (229) [system] char_type('E', 'white')
   Call: (229) [system] char_type('E', end_of_line)
   Fail: (229) [system] char_type('E', end_of_line)
   Call: (229) [system] char_type('E', space)
   Fail: (229) [system] char_type('E', space)
   Call: (229) [system] char_type('E', cntrl)
   Fail: (229) [system] char_type('E', cntrl)
^  Fail: (228) [user] is_like_space('E')
^  Exit: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] get_char((0x563acd73bee0), _1616538)
   Exit: (227) [system] get_char((0x563acd73bee0), 'E')
   Call: (227) [system] 'E'='('
   Fail: (227) [system] 'E'='('
   Call: (227) [system] 'E'='['
   Fail: (227) [system] 'E'='['
   Call: (227) [system] 'E'='{'
   Fail: (227) [system] 'E'='{'
   Call: (227) [system] 'E'='"'
   Fail: (227) [system] 'E'='"'
   Call: (227) [system] 'E'=!
   Fail: (227) [system] 'E'=!
   Call: (227) [system] 'E'='\''
   Fail: (227) [system] 'E'='\''
   Call: (227) [system] 'E'='`'
   Fail: (227) [system] 'E'='`'
   Call: (227) [system] 'E'=end_of_file
   Fail: (227) [system] 'E'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x563acd73bee0), 'E', _1598670)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _1634180)
   Call: (229) [system] peek_char((0x563acd73bee0), _1635114)
   Exit: (229) [system] peek_char((0x563acd73bee0), ')')
^  Call: (229) [user] is_delimiter(')')
   Call: (230) [system] char_type(')', space)
   Fail: (230) [system] char_type(')', space)
   Call: (230) [system] arg(_1639834, v('(', ')', end_of_file), ')')
   Exit: (230) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (229) [user] is_delimiter(')')
   Call: (229) [system] _1634180=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (228) [user] classify_and_convert_charseq(['E'], _1598670)
^  Call: (229) [user] classify_and_convert_charseq_(['E'], _1646270)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_1647222, _1647224), once(user:catch(read_from_chars(['E'], _1646270), _1647204, fail)), '$restore_trace'(_1647222, _1647224))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_1647222, _1647224))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1646270), _1647204, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_1646270)
   Fail: (230) [system] atomic(_1646270)
   Call: (230) [system] atom_chars(_1646270, ['E'])
   Exit: (230) [system] atom_chars('E', ['E'])
^  Exit: (229) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (229) [system] integer('E')
   Fail: (229) [system] integer('E')
   Call: (229) [system] _1598670='E'
   Exit: (229) [system] 'E'='E'
^  Exit: (228) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (227) [user] read_symbolic(')', (0x563acd73bee0), 'E', 'E')
^  Exit: (226) [user] cont_sexpr(')', (0x563acd73bee0), 'E')
^  Call: (226) [user] read_list(')', (0x563acd73bee0), _1661220)
^  Call: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _1663078)
   Exit: (228) [system] peek_char((0x563acd73bee0), ')')
   Call: (228) [system] ')'=(;)
   Fail: (228) [system] ')'=(;)
   Call: (228) [system] ')'=(/)
   Fail: (228) [system] ')'=(/)
^  Call: (228) [user] is_like_space(')')
   Call: (229) [system] char_type(')', 'white')
   Fail: (229) [system] char_type(')', 'white')
   Call: (229) [system] char_type(')', end_of_line)
   Fail: (229) [system] char_type(')', end_of_line)
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] char_type(')', cntrl)
   Fail: (229) [system] char_type(')', cntrl)
^  Fail: (228) [user] is_like_space(')')
^  Exit: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _1679088)
   Exit: (227) [system] peek_char((0x563acd73bee0), ')')
   Call: (227) [system] ')'=')'
   Exit: (227) [system] ')'=')'
   Call: (227) [system] get_char((0x563acd73bee0), _1682878)
   Exit: (227) [system] get_char((0x563acd73bee0), ')')
   Call: (227) [system] _1661220=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_list(')', (0x563acd73bee0), [])
   Call: (226) [system] _1562010=['E']
   Exit: (226) [system] ['E']=['E']
^  Exit: (225) [user] read_list(')', (0x563acd73bee0), ['E'])
   Call: (225) [system] _1103916=[['OrLink', 'C', 'D'], 'E']
   Exit: (225) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (224) [user] read_list(')', (0x563acd73bee0), [['OrLink', 'C', 'D'], 'E'])
   Call: (224) [system] _830920=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (224) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (223) [user] read_list(')', (0x563acd73bee0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (222) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (222) [user] read_list(')', (0x563acd73bee0), _1696760)
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _1698618)
   Exit: (224) [system] peek_char((0x563acd73bee0), ')')
   Call: (224) [system] ')'=(;)
   Fail: (224) [system] ')'=(;)
   Call: (224) [system] ')'=(/)
   Fail: (224) [system] ')'=(/)
^  Call: (224) [user] is_like_space(')')
   Call: (225) [system] char_type(')', 'white')
   Fail: (225) [system] char_type(')', 'white')
   Call: (225) [system] char_type(')', end_of_line)
   Fail: (225) [system] char_type(')', end_of_line)
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] char_type(')', cntrl)
   Fail: (225) [system] char_type(')', cntrl)
^  Fail: (224) [user] is_like_space(')')
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _1714628)
   Exit: (223) [system] peek_char((0x563acd73bee0), ')')
   Call: (223) [system] ')'=')'
   Exit: (223) [system] ')'=')'
   Call: (223) [system] get_char((0x563acd73bee0), _1718418)
   Exit: (223) [system] get_char((0x563acd73bee0), ')')
   Call: (223) [system] _1696760=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_list(')', (0x563acd73bee0), [])
   Call: (222) [system] _794260=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (222) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (221) [user] read_list(')', (0x563acd73bee0), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (221) [system] _5788=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (221) [system] [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (220) [user] read_list(')', (0x563acd73bee0), [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (220) [system] _5780=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (220) [system] ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (219) [user] read_list(')', (0x563acd73bee0), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (218) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (218) [user] read_list(')', (0x563acd73bee0), _1732300)
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _1734158)
   Exit: (220) [system] peek_char((0x563acd73bee0), ')')
   Call: (220) [system] ')'=(;)
   Fail: (220) [system] ')'=(;)
   Call: (220) [system] ')'=(/)
   Fail: (220) [system] ')'=(/)
^  Call: (220) [user] is_like_space(')')
   Call: (221) [system] char_type(')', 'white')
   Fail: (221) [system] char_type(')', 'white')
   Call: (221) [system] char_type(')', end_of_line)
   Fail: (221) [system] char_type(')', end_of_line)
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] char_type(')', cntrl)
   Fail: (221) [system] char_type(')', cntrl)
^  Fail: (220) [user] is_like_space(')')
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _1750168)
   Exit: (219) [system] peek_char((0x563acd73bee0), ')')
   Call: (219) [system] ')'=')'
   Exit: (219) [system] ')'=')'
   Call: (219) [system] get_char((0x563acd73bee0), _1753958)
   Exit: (219) [system] get_char((0x563acd73bee0), ')')
   Call: (219) [system] _1732300=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_list(')', (0x563acd73bee0), [])
   Call: (218) [system] _5776=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (218) [system] [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (217) [user] read_list(')', (0x563acd73bee0), [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (217) [system] _5752=[['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (217) [system] [['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (216) [user] read_list(')', (0x563acd73bee0), [['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (216) [system] _5744=[:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (216) [system] [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (215) [user] read_list(')', (0x563acd73bee0), [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (214) [user] cont_sexpr(')', (0x563acd73bee0), [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (214) [user] read_list(')', (0x563acd73bee0), _1767840)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1769698)
   Exit: (216) [system] peek_char((0x563acd73bee0), '\n')
   Call: (216) [system] '\n'=(;)
   Fail: (216) [system] '\n'=(;)
   Call: (216) [system] '\n'=(/)
   Fail: (216) [system] '\n'=(/)
^  Call: (216) [user] is_like_space('\n')
   Call: (217) [system] char_type('\n', 'white')
   Fail: (217) [system] char_type('\n', 'white')
   Call: (217) [system] char_type('\n', end_of_line)
   Exit: (217) [system] char_type('\n', end_of_line)
^  Exit: (216) [user] is_like_space('\n')
   Call: (216) [system] get_char((0x563acd73bee0), _1781148)
   Exit: (216) [system] get_char((0x563acd73bee0), '\n')
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1783852)
   Exit: (217) [system] peek_char((0x563acd73bee0), '\t')
   Call: (217) [system] '\t'=(;)
   Fail: (217) [system] '\t'=(;)
   Call: (217) [system] '\t'=(/)
   Fail: (217) [system] '\t'=(/)
^  Call: (217) [user] is_like_space('\t')
   Call: (218) [system] char_type('\t', 'white')
   Exit: (218) [system] char_type('\t', 'white')
^  Exit: (217) [user] is_like_space('\t')
   Call: (217) [system] get_char((0x563acd73bee0), _1793446)
   Exit: (217) [system] get_char((0x563acd73bee0), '\t')
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _1796150)
   Exit: (218) [system] peek_char((0x563acd73bee0), '\t')
   Call: (218) [system] '\t'=(;)
   Fail: (218) [system] '\t'=(;)
   Call: (218) [system] '\t'=(/)
   Fail: (218) [system] '\t'=(/)
^  Call: (218) [user] is_like_space('\t')
   Call: (219) [system] char_type('\t', 'white')
   Exit: (219) [system] char_type('\t', 'white')
^  Exit: (218) [user] is_like_space('\t')
   Call: (218) [system] get_char((0x563acd73bee0), _1805744)
   Exit: (218) [system] get_char((0x563acd73bee0), '\t')
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _1808448)
   Exit: (219) [system] peek_char((0x563acd73bee0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x563acd73bee0), _1818042)
   Exit: (219) [system] get_char((0x563acd73bee0), ' ')
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _1820746)
   Exit: (220) [system] peek_char((0x563acd73bee0), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1840452)
   Exit: (215) [system] peek_char((0x563acd73bee0), '(')
   Call: (215) [system] '('=')'
   Fail: (215) [system] '('=')'
   Call: (215) [system] '('=end_of_file
   Fail: (215) [system] '('=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x563acd73bee0), _1846022)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1847880)
   Exit: (217) [system] peek_char((0x563acd73bee0), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
   Call: (217) [system] '('=(/)
   Fail: (217) [system] '('=(/)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] get_char((0x563acd73bee0), _1863890)
   Exit: (216) [system] get_char((0x563acd73bee0), '(')
   Call: (216) [system] '('='('
   Exit: (216) [system] '('='('
^  Call: (216) [user] read_list(')', (0x563acd73bee0), _1846022)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _1869460)
   Exit: (218) [system] peek_char((0x563acd73bee0), :)
   Call: (218) [system] (:)=(;)
   Fail: (218) [system] (:)=(;)
   Call: (218) [system] (:)=(/)
   Fail: (218) [system] (:)=(/)
^  Call: (218) [user] is_like_space(:)
   Call: (219) [system] char_type(:, 'white')
   Fail: (219) [system] char_type(:, 'white')
   Call: (219) [system] char_type(:, end_of_line)
   Fail: (219) [system] char_type(:, end_of_line)
   Call: (219) [system] char_type(:, space)
   Fail: (219) [system] char_type(:, space)
   Call: (219) [system] char_type(:, cntrl)
   Fail: (219) [system] char_type(:, cntrl)
^  Fail: (218) [user] is_like_space(:)
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1885470)
   Exit: (217) [system] peek_char((0x563acd73bee0), :)
   Call: (217) [system] (:)=')'
   Fail: (217) [system] (:)=')'
   Call: (217) [system] (:)=end_of_file
   Fail: (217) [system] (:)=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x563acd73bee0), _1891040)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _1892898)
   Exit: (219) [system] peek_char((0x563acd73bee0), :)
   Call: (219) [system] (:)=(;)
   Fail: (219) [system] (:)=(;)
   Call: (219) [system] (:)=(/)
   Fail: (219) [system] (:)=(/)
^  Call: (219) [user] is_like_space(:)
   Call: (220) [system] char_type(:, 'white')
   Fail: (220) [system] char_type(:, 'white')
   Call: (220) [system] char_type(:, end_of_line)
   Fail: (220) [system] char_type(:, end_of_line)
   Call: (220) [system] char_type(:, space)
   Fail: (220) [system] char_type(:, space)
   Call: (220) [system] char_type(:, cntrl)
   Fail: (220) [system] char_type(:, cntrl)
^  Fail: (219) [user] is_like_space(:)
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] get_char((0x563acd73bee0), _1908908)
   Exit: (218) [system] get_char((0x563acd73bee0), :)
   Call: (218) [system] (:)='('
   Fail: (218) [system] (:)='('
   Call: (218) [system] (:)='['
   Fail: (218) [system] (:)='['
   Call: (218) [system] (:)='{'
   Fail: (218) [system] (:)='{'
   Call: (218) [system] (:)='"'
   Fail: (218) [system] (:)='"'
   Call: (218) [system] (:)=!
   Fail: (218) [system] (:)=!
   Call: (218) [system] (:)='\''
   Fail: (218) [system] (:)='\''
   Call: (218) [system] (:)='`'
   Fail: (218) [system] (:)='`'
   Call: (218) [system] (:)=end_of_file
   Fail: (218) [system] (:)=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x563acd73bee0), :, _1891040)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _1926550)
   Call: (220) [system] peek_char((0x563acd73bee0), _1927484)
   Exit: (220) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _1926550=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (219) [user] classify_and_convert_charseq([:], _1891040)
^  Call: (220) [user] classify_and_convert_charseq_([:], _1936768)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_1937720, _1937722), once(user:catch(read_from_chars([:], _1936768), _1937702, fail)), '$restore_trace'(_1937720, _1937722))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_1937720, _1937722))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1937702, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(:)
   Exit: (221) [system] atomic(:)
^  Exit: (220) [user] classify_and_convert_charseq_([:], :)
   Call: (220) [system] integer(:)
   Fail: (220) [system] integer(:)
   Call: (220) [system] _1891040=(:)
   Exit: (220) [system] (:)=(:)
^  Exit: (219) [user] classify_and_convert_charseq([:], :)
^  Exit: (218) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (217) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (217) [user] read_list(')', (0x563acd73bee0), _1949848)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _1951706)
   Exit: (219) [system] peek_char((0x563acd73bee0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x563acd73bee0), _1961300)
   Exit: (219) [system] get_char((0x563acd73bee0), ' ')
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _1964004)
   Exit: (220) [system] peek_char((0x563acd73bee0), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _1980938)
   Exit: (218) [system] peek_char((0x563acd73bee0), '(')
   Call: (218) [system] '('=')'
   Fail: (218) [system] '('=')'
   Call: (218) [system] '('=end_of_file
   Fail: (218) [system] '('=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x563acd73bee0), _1986508)
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _1988366)
   Exit: (220) [system] peek_char((0x563acd73bee0), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] get_char((0x563acd73bee0), _2004376)
   Exit: (219) [system] get_char((0x563acd73bee0), '(')
   Call: (219) [system] '('='('
   Exit: (219) [system] '('='('
^  Call: (219) [user] read_list(')', (0x563acd73bee0), _1986508)
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _2009946)
   Exit: (221) [system] peek_char((0x563acd73bee0), 'D')
   Call: (221) [system] 'D'=(;)
   Fail: (221) [system] 'D'=(;)
   Call: (221) [system] 'D'=(/)
   Fail: (221) [system] 'D'=(/)
^  Call: (221) [user] is_like_space('D')
   Call: (222) [system] char_type('D', 'white')
   Fail: (222) [system] char_type('D', 'white')
   Call: (222) [system] char_type('D', end_of_line)
   Fail: (222) [system] char_type('D', end_of_line)
   Call: (222) [system] char_type('D', space)
   Fail: (222) [system] char_type('D', space)
   Call: (222) [system] char_type('D', cntrl)
   Fail: (222) [system] char_type('D', cntrl)
^  Fail: (221) [user] is_like_space('D')
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _2025956)
   Exit: (220) [system] peek_char((0x563acd73bee0), 'D')
   Call: (220) [system] 'D'=')'
   Fail: (220) [system] 'D'=')'
   Call: (220) [system] 'D'=end_of_file
   Fail: (220) [system] 'D'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x563acd73bee0), _2031526)
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _2033384)
   Exit: (222) [system] peek_char((0x563acd73bee0), 'D')
   Call: (222) [system] 'D'=(;)
   Fail: (222) [system] 'D'=(;)
   Call: (222) [system] 'D'=(/)
   Fail: (222) [system] 'D'=(/)
^  Call: (222) [user] is_like_space('D')
   Call: (223) [system] char_type('D', 'white')
   Fail: (223) [system] char_type('D', 'white')
   Call: (223) [system] char_type('D', end_of_line)
   Fail: (223) [system] char_type('D', end_of_line)
   Call: (223) [system] char_type('D', space)
   Fail: (223) [system] char_type('D', space)
   Call: (223) [system] char_type('D', cntrl)
   Fail: (223) [system] char_type('D', cntrl)
^  Fail: (222) [user] is_like_space('D')
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] get_char((0x563acd73bee0), _2049394)
   Exit: (221) [system] get_char((0x563acd73bee0), 'D')
   Call: (221) [system] 'D'='('
   Fail: (221) [system] 'D'='('
   Call: (221) [system] 'D'='['
   Fail: (221) [system] 'D'='['
   Call: (221) [system] 'D'='{'
   Fail: (221) [system] 'D'='{'
   Call: (221) [system] 'D'='"'
   Fail: (221) [system] 'D'='"'
   Call: (221) [system] 'D'=!
   Fail: (221) [system] 'D'=!
   Call: (221) [system] 'D'='\''
   Fail: (221) [system] 'D'='\''
   Call: (221) [system] 'D'='`'
   Fail: (221) [system] 'D'='`'
   Call: (221) [system] 'D'=end_of_file
   Fail: (221) [system] 'D'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x563acd73bee0), 'D', _2031526)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _2067036)
   Call: (223) [system] peek_char((0x563acd73bee0), _2067970)
   Exit: (223) [system] peek_char((0x563acd73bee0), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Fail: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_2072690, v('(', ')', end_of_file), i)
   Fail: (224) [system] arg(_2073622, v('(', ')', end_of_file), i)
^  Fail: (223) [user] is_delimiter(i)
   Call: (223) [system] ')'==i
   Fail: (223) [system] ')'==i
   Call: (223) [system] get_char((0x563acd73bee0), i)
   Exit: (223) [system] get_char((0x563acd73bee0), i)
   Call: (223) [system] i=(\)
   Fail: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _2080972)
   Call: (224) [system] peek_char((0x563acd73bee0), _2081906)
   Exit: (224) [system] peek_char((0x563acd73bee0), s)
^  Call: (224) [user] is_delimiter(s)
   Call: (225) [system] char_type(s, space)
   Fail: (225) [system] char_type(s, space)
   Call: (225) [system] arg(_2086626, v('(', ')', end_of_file), s)
   Fail: (225) [system] arg(_2087558, v('(', ')', end_of_file), s)
^  Fail: (224) [user] is_delimiter(s)
   Call: (224) [system] ')'==s
   Fail: (224) [system] ')'==s
   Call: (224) [system] get_char((0x563acd73bee0), s)
   Exit: (224) [system] get_char((0x563acd73bee0), s)
   Call: (224) [system] s=(\)
   Fail: (224) [system] s=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _2094908)
   Call: (225) [system] peek_char((0x563acd73bee0), _2095842)
   Exit: (225) [system] peek_char((0x563acd73bee0), j)
^  Call: (225) [user] is_delimiter(j)
   Call: (226) [system] char_type(j, space)
   Fail: (226) [system] char_type(j, space)
   Call: (226) [system] arg(_9632, v('(', ')', end_of_file), j)
   Fail: (226) [system] arg(_10564, v('(', ')', end_of_file), j)
^  Fail: (225) [user] is_delimiter(j)
   Call: (225) [system] ')'==j
   Fail: (225) [system] ')'==j
   Call: (225) [system] get_char((0x563acd73bee0), j)
   Exit: (225) [system] get_char((0x563acd73bee0), j)
   Call: (225) [system] j=(\)
   Fail: (225) [system] j=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _17914)
   Call: (226) [system] peek_char((0x563acd73bee0), _18848)
   Exit: (226) [system] peek_char((0x563acd73bee0), u)
^  Call: (226) [user] is_delimiter(u)
   Call: (227) [system] char_type(u, space)
   Fail: (227) [system] char_type(u, space)
   Call: (227) [system] arg(_23568, v('(', ')', end_of_file), u)
   Fail: (227) [system] arg(_24500, v('(', ')', end_of_file), u)
^  Fail: (226) [user] is_delimiter(u)
   Call: (226) [system] ')'==u
   Fail: (226) [system] ')'==u
   Call: (226) [system] get_char((0x563acd73bee0), u)
   Exit: (226) [system] get_char((0x563acd73bee0), u)
   Call: (226) [system] u=(\)
   Fail: (226) [system] u=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _31850)
   Call: (227) [system] peek_char((0x563acd73bee0), _32784)
   Exit: (227) [system] peek_char((0x563acd73bee0), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_37504, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_38436, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x563acd73bee0), n)
   Exit: (227) [system] get_char((0x563acd73bee0), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _45786)
   Call: (228) [system] peek_char((0x563acd73bee0), _46720)
   Exit: (228) [system] peek_char((0x563acd73bee0), c)
^  Call: (228) [user] is_delimiter(c)
   Call: (229) [system] char_type(c, space)
   Fail: (229) [system] char_type(c, space)
   Call: (229) [system] arg(_51440, v('(', ')', end_of_file), c)
   Fail: (229) [system] arg(_52372, v('(', ')', end_of_file), c)
^  Fail: (228) [user] is_delimiter(c)
   Call: (228) [system] ')'==c
   Fail: (228) [system] ')'==c
   Call: (228) [system] get_char((0x563acd73bee0), c)
   Exit: (228) [system] get_char((0x563acd73bee0), c)
   Call: (228) [system] c=(\)
   Fail: (228) [system] c=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _59722)
   Call: (229) [system] peek_char((0x563acd73bee0), _60656)
   Exit: (229) [system] peek_char((0x563acd73bee0), t)
^  Call: (229) [user] is_delimiter(t)
   Call: (230) [system] char_type(t, space)
   Fail: (230) [system] char_type(t, space)
   Call: (230) [system] arg(_65376, v('(', ')', end_of_file), t)
   Fail: (230) [system] arg(_66308, v('(', ')', end_of_file), t)
^  Fail: (229) [user] is_delimiter(t)
   Call: (229) [system] ')'==t
   Fail: (229) [system] ')'==t
   Call: (229) [system] get_char((0x563acd73bee0), t)
   Exit: (229) [system] get_char((0x563acd73bee0), t)
   Call: (229) [system] t=(\)
   Fail: (229) [system] t=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _73658)
   Call: (230) [system] peek_char((0x563acd73bee0), _74592)
   Exit: (230) [system] peek_char((0x563acd73bee0), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Fail: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_79312, v('(', ')', end_of_file), i)
   Fail: (231) [system] arg(_80244, v('(', ')', end_of_file), i)
^  Fail: (230) [user] is_delimiter(i)
   Call: (230) [system] ')'==i
   Fail: (230) [system] ')'==i
   Call: (230) [system] get_char((0x563acd73bee0), i)
   Exit: (230) [system] get_char((0x563acd73bee0), i)
   Call: (230) [system] i=(\)
   Fail: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _87594)
   Call: (231) [system] peek_char((0x563acd73bee0), _88528)
   Exit: (231) [system] peek_char((0x563acd73bee0), o)
^  Call: (231) [user] is_delimiter(o)
   Call: (232) [system] char_type(o, space)
   Fail: (232) [system] char_type(o, space)
   Call: (232) [system] arg(_93248, v('(', ')', end_of_file), o)
   Fail: (232) [system] arg(_94180, v('(', ')', end_of_file), o)
^  Fail: (231) [user] is_delimiter(o)
   Call: (231) [system] ')'==o
   Fail: (231) [system] ')'==o
   Call: (231) [system] get_char((0x563acd73bee0), o)
   Exit: (231) [system] get_char((0x563acd73bee0), o)
   Call: (231) [system] o=(\)
   Fail: (231) [system] o=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _101530)
   Call: (232) [system] peek_char((0x563acd73bee0), _102464)
   Exit: (232) [system] peek_char((0x563acd73bee0), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Fail: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_107184, v('(', ')', end_of_file), n)
   Fail: (233) [system] arg(_108116, v('(', ')', end_of_file), n)
^  Fail: (232) [user] is_delimiter(n)
   Call: (232) [system] ')'==n
   Fail: (232) [system] ')'==n
   Call: (232) [system] get_char((0x563acd73bee0), n)
   Exit: (232) [system] get_char((0x563acd73bee0), n)
   Call: (232) [system] n=(\)
   Fail: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _115466)
   Call: (233) [system] peek_char((0x563acd73bee0), _116400)
   Exit: (233) [system] peek_char((0x563acd73bee0), 'I')
^  Call: (233) [user] is_delimiter('I')
   Call: (234) [system] char_type('I', space)
   Fail: (234) [system] char_type('I', space)
   Call: (234) [system] arg(_121120, v('(', ')', end_of_file), 'I')
   Fail: (234) [system] arg(_122052, v('(', ')', end_of_file), 'I')
^  Fail: (233) [user] is_delimiter('I')
   Call: (233) [system] ')'=='I'
   Fail: (233) [system] ')'=='I'
   Call: (233) [system] get_char((0x563acd73bee0), 'I')
   Exit: (233) [system] get_char((0x563acd73bee0), 'I')
   Call: (233) [system] 'I'=(\)
   Fail: (233) [system] 'I'=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), _129402)
   Call: (234) [system] peek_char((0x563acd73bee0), _130336)
   Exit: (234) [system] peek_char((0x563acd73bee0), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Fail: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_135056, v('(', ')', end_of_file), n)
   Fail: (235) [system] arg(_135988, v('(', ')', end_of_file), n)
^  Fail: (234) [user] is_delimiter(n)
   Call: (234) [system] ')'==n
   Fail: (234) [system] ')'==n
   Call: (234) [system] get_char((0x563acd73bee0), n)
   Exit: (234) [system] get_char((0x563acd73bee0), n)
   Call: (234) [system] n=(\)
   Fail: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), _143338)
   Call: (235) [system] peek_char((0x563acd73bee0), _144272)
   Exit: (235) [system] peek_char((0x563acd73bee0), t)
^  Call: (235) [user] is_delimiter(t)
   Call: (236) [system] char_type(t, space)
   Fail: (236) [system] char_type(t, space)
   Call: (236) [system] arg(_148992, v('(', ')', end_of_file), t)
   Fail: (236) [system] arg(_149924, v('(', ')', end_of_file), t)
^  Fail: (235) [user] is_delimiter(t)
   Call: (235) [system] ')'==t
   Fail: (235) [system] ')'==t
   Call: (235) [system] get_char((0x563acd73bee0), t)
   Exit: (235) [system] get_char((0x563acd73bee0), t)
   Call: (235) [system] t=(\)
   Fail: (235) [system] t=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), _157274)
   Call: (236) [system] peek_char((0x563acd73bee0), _158208)
   Exit: (236) [system] peek_char((0x563acd73bee0), r)
^  Call: (236) [user] is_delimiter(r)
   Call: (237) [system] char_type(r, space)
   Fail: (237) [system] char_type(r, space)
   Call: (237) [system] arg(_162928, v('(', ')', end_of_file), r)
   Fail: (237) [system] arg(_163860, v('(', ')', end_of_file), r)
^  Fail: (236) [user] is_delimiter(r)
   Call: (236) [system] ')'==r
   Fail: (236) [system] ')'==r
   Call: (236) [system] get_char((0x563acd73bee0), r)
   Exit: (236) [system] get_char((0x563acd73bee0), r)
   Call: (236) [system] r=(\)
   Fail: (236) [system] r=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), _171210)
   Call: (237) [system] peek_char((0x563acd73bee0), _172144)
   Exit: (237) [system] peek_char((0x563acd73bee0), o)
^  Call: (237) [user] is_delimiter(o)
   Call: (238) [system] char_type(o, space)
   Fail: (238) [system] char_type(o, space)
   Call: (238) [system] arg(_176864, v('(', ')', end_of_file), o)
   Fail: (238) [system] arg(_177796, v('(', ')', end_of_file), o)
^  Fail: (237) [user] is_delimiter(o)
   Call: (237) [system] ')'==o
   Fail: (237) [system] ')'==o
   Call: (237) [system] get_char((0x563acd73bee0), o)
   Exit: (237) [system] get_char((0x563acd73bee0), o)
   Call: (237) [system] o=(\)
   Fail: (237) [system] o=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), _185146)
   Call: (238) [system] peek_char((0x563acd73bee0), _186080)
   Exit: (238) [system] peek_char((0x563acd73bee0), d)
^  Call: (238) [user] is_delimiter(d)
   Call: (239) [system] char_type(d, space)
   Fail: (239) [system] char_type(d, space)
   Call: (239) [system] arg(_190800, v('(', ')', end_of_file), d)
   Fail: (239) [system] arg(_191732, v('(', ')', end_of_file), d)
^  Fail: (238) [user] is_delimiter(d)
   Call: (238) [system] ')'==d
   Fail: (238) [system] ')'==d
   Call: (238) [system] get_char((0x563acd73bee0), d)
   Exit: (238) [system] get_char((0x563acd73bee0), d)
   Call: (238) [system] d=(\)
   Fail: (238) [system] d=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x563acd73bee0), _199082)
   Call: (239) [system] peek_char((0x563acd73bee0), _200016)
   Exit: (239) [system] peek_char((0x563acd73bee0), u)
^  Call: (239) [user] is_delimiter(u)
   Call: (240) [system] char_type(u, space)
   Fail: (240) [system] char_type(u, space)
   Call: (240) [system] arg(_204736, v('(', ')', end_of_file), u)
   Fail: (240) [system] arg(_205668, v('(', ')', end_of_file), u)
^  Fail: (239) [user] is_delimiter(u)
   Call: (239) [system] ')'==u
   Fail: (239) [system] ')'==u
   Call: (239) [system] get_char((0x563acd73bee0), u)
   Exit: (239) [system] get_char((0x563acd73bee0), u)
   Call: (239) [system] u=(\)
   Fail: (239) [system] u=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x563acd73bee0), _213018)
   Call: (240) [system] peek_char((0x563acd73bee0), _213952)
   Exit: (240) [system] peek_char((0x563acd73bee0), c)
^  Call: (240) [user] is_delimiter(c)
   Call: (241) [system] char_type(c, space)
   Fail: (241) [system] char_type(c, space)
   Call: (241) [system] arg(_218672, v('(', ')', end_of_file), c)
   Fail: (241) [system] arg(_219604, v('(', ')', end_of_file), c)
^  Fail: (240) [user] is_delimiter(c)
   Call: (240) [system] ')'==c
   Fail: (240) [system] ')'==c
   Call: (240) [system] get_char((0x563acd73bee0), c)
   Exit: (240) [system] get_char((0x563acd73bee0), c)
   Call: (240) [system] c=(\)
   Fail: (240) [system] c=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x563acd73bee0), _226954)
   Call: (241) [system] peek_char((0x563acd73bee0), _227888)
   Exit: (241) [system] peek_char((0x563acd73bee0), t)
^  Call: (241) [user] is_delimiter(t)
   Call: (242) [system] char_type(t, space)
   Fail: (242) [system] char_type(t, space)
   Call: (242) [system] arg(_232608, v('(', ')', end_of_file), t)
   Fail: (242) [system] arg(_233540, v('(', ')', end_of_file), t)
^  Fail: (241) [user] is_delimiter(t)
   Call: (241) [system] ')'==t
   Fail: (241) [system] ')'==t
   Call: (241) [system] get_char((0x563acd73bee0), t)
   Exit: (241) [system] get_char((0x563acd73bee0), t)
   Call: (241) [system] t=(\)
   Fail: (241) [system] t=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x563acd73bee0), _240890)
   Call: (242) [system] peek_char((0x563acd73bee0), _241824)
   Exit: (242) [system] peek_char((0x563acd73bee0), i)
^  Call: (242) [user] is_delimiter(i)
   Call: (243) [system] char_type(i, space)
   Fail: (243) [system] char_type(i, space)
   Call: (243) [system] arg(_246544, v('(', ')', end_of_file), i)
   Fail: (243) [system] arg(_247476, v('(', ')', end_of_file), i)
^  Fail: (242) [user] is_delimiter(i)
   Call: (242) [system] ')'==i
   Fail: (242) [system] ')'==i
   Call: (242) [system] get_char((0x563acd73bee0), i)
   Exit: (242) [system] get_char((0x563acd73bee0), i)
   Call: (242) [system] i=(\)
   Fail: (242) [system] i=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x563acd73bee0), _254826)
   Call: (243) [system] peek_char((0x563acd73bee0), _255760)
   Exit: (243) [system] peek_char((0x563acd73bee0), o)
^  Call: (243) [user] is_delimiter(o)
   Call: (244) [system] char_type(o, space)
   Fail: (244) [system] char_type(o, space)
   Call: (244) [system] arg(_260480, v('(', ')', end_of_file), o)
   Fail: (244) [system] arg(_261412, v('(', ')', end_of_file), o)
^  Fail: (243) [user] is_delimiter(o)
   Call: (243) [system] ')'==o
   Fail: (243) [system] ')'==o
   Call: (243) [system] get_char((0x563acd73bee0), o)
   Exit: (243) [system] get_char((0x563acd73bee0), o)
   Call: (243) [system] o=(\)
   Fail: (243) [system] o=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x563acd73bee0), _268762)
   Call: (244) [system] peek_char((0x563acd73bee0), _269696)
   Exit: (244) [system] peek_char((0x563acd73bee0), n)
^  Call: (244) [user] is_delimiter(n)
   Call: (245) [system] char_type(n, space)
   Fail: (245) [system] char_type(n, space)
   Call: (245) [system] arg(_274416, v('(', ')', end_of_file), n)
   Fail: (245) [system] arg(_275348, v('(', ')', end_of_file), n)
^  Fail: (244) [user] is_delimiter(n)
   Call: (244) [system] ')'==n
   Fail: (244) [system] ')'==n
   Call: (244) [system] get_char((0x563acd73bee0), n)
   Exit: (244) [system] get_char((0x563acd73bee0), n)
   Call: (244) [system] n=(\)
   Fail: (244) [system] n=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x563acd73bee0), _282698)
   Call: (245) [system] peek_char((0x563acd73bee0), _283632)
   Exit: (245) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (245) [user] is_delimiter(' ')
   Call: (246) [system] char_type(' ', space)
   Exit: (246) [system] char_type(' ', space)
^  Exit: (245) [user] is_delimiter(' ')
   Call: (245) [system] _282698=[]
   Exit: (245) [system] []=[]
^  Exit: (244) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (244) [system] _268762=[n]
   Exit: (244) [system] [n]=[n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (243) [system] _254826=[o, n]
   Exit: (243) [system] [o, n]=[o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (242) [system] _240890=[i, o, n]
   Exit: (242) [system] [i, o, n]=[i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (241) [system] _226954=[t, i, o, n]
   Exit: (241) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (240) [system] _213018=[c, t, i, o, n]
   Exit: (240) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n])
   Call: (239) [system] _199082=[u, c, t, i, o, n]
   Exit: (239) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, i, o, n])
   Call: (238) [system] _185146=[d, u, c, t, i, o, n]
   Exit: (238) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, u, c, t, i, o, n])
   Call: (237) [system] _171210=[o, d, u, c, t, i, o, n]
   Exit: (237) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, d, u, c, t, i, o, n])
   Call: (236) [system] _157274=[r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _143338=[t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _129402=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _115466=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _101530=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _87594=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _73658=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _59722=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _45786=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _31850=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _17914=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _5906=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _5902=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _5898=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (222) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _5894)
^  Call: (223) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _354384)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_355336, _355338), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _354384), _355318, fail)), '$restore_trace'(_355336, _355338))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_355336, _355338))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _354384), _355318, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_354384)
   Fail: (224) [system] atomic(_354384)
   Call: (224) [system] atom_chars(_354384, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (224) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (223) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (223) [system] integer('DisjunctionIntroduction')
   Fail: (223) [system] integer('DisjunctionIntroduction')
   Call: (223) [system] _5894='DisjunctionIntroduction'
   Exit: (223) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (222) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (221) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'DisjunctionIntroduction')
^  Exit: (220) [user] cont_sexpr(')', (0x563acd73bee0), 'DisjunctionIntroduction')
^  Call: (220) [user] read_list(')', (0x563acd73bee0), _369334)
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _371192)
   Exit: (222) [system] peek_char((0x563acd73bee0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x563acd73bee0), _380786)
   Exit: (222) [system] get_char((0x563acd73bee0), ' ')
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _383490)
   Exit: (223) [system] peek_char((0x563acd73bee0), c)
   Call: (223) [system] c=(;)
   Fail: (223) [system] c=(;)
   Call: (223) [system] c=(/)
   Fail: (223) [system] c=(/)
^  Call: (223) [user] is_like_space(c)
   Call: (224) [system] char_type(c, 'white')
   Fail: (224) [system] char_type(c, 'white')
   Call: (224) [system] char_type(c, end_of_line)
   Fail: (224) [system] char_type(c, end_of_line)
   Call: (224) [system] char_type(c, space)
   Fail: (224) [system] char_type(c, space)
   Call: (224) [system] char_type(c, cntrl)
   Fail: (224) [system] char_type(c, cntrl)
^  Fail: (223) [user] is_like_space(c)
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _400424)
   Exit: (221) [system] peek_char((0x563acd73bee0), c)
   Call: (221) [system] c=')'
   Fail: (221) [system] c=')'
   Call: (221) [system] c=end_of_file
   Fail: (221) [system] c=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x563acd73bee0), _405994)
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _407852)
   Exit: (223) [system] peek_char((0x563acd73bee0), c)
   Call: (223) [system] c=(;)
   Fail: (223) [system] c=(;)
   Call: (223) [system] c=(/)
   Fail: (223) [system] c=(/)
^  Call: (223) [user] is_like_space(c)
   Call: (224) [system] char_type(c, 'white')
   Fail: (224) [system] char_type(c, 'white')
   Call: (224) [system] char_type(c, end_of_line)
   Fail: (224) [system] char_type(c, end_of_line)
   Call: (224) [system] char_type(c, space)
   Fail: (224) [system] char_type(c, space)
   Call: (224) [system] char_type(c, cntrl)
   Fail: (224) [system] char_type(c, cntrl)
^  Fail: (223) [user] is_like_space(c)
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] get_char((0x563acd73bee0), _423862)
   Exit: (222) [system] get_char((0x563acd73bee0), c)
   Call: (222) [system] c='('
   Fail: (222) [system] c='('
   Call: (222) [system] c='['
   Fail: (222) [system] c='['
   Call: (222) [system] c='{'
   Fail: (222) [system] c='{'
   Call: (222) [system] c='"'
   Fail: (222) [system] c='"'
   Call: (222) [system] c=!
   Fail: (222) [system] c=!
   Call: (222) [system] c='\''
   Fail: (222) [system] c='\''
   Call: (222) [system] c='`'
   Fail: (222) [system] c='`'
   Call: (222) [system] c=end_of_file
   Fail: (222) [system] c=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x563acd73bee0), c, _405994)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _441504)
   Call: (224) [system] peek_char((0x563acd73bee0), _442438)
   Exit: (224) [system] peek_char((0x563acd73bee0), d)
^  Call: (224) [user] is_delimiter(d)
   Call: (225) [system] char_type(d, space)
   Fail: (225) [system] char_type(d, space)
   Call: (225) [system] arg(_447158, v('(', ')', end_of_file), d)
   Fail: (225) [system] arg(_448090, v('(', ')', end_of_file), d)
^  Fail: (224) [user] is_delimiter(d)
   Call: (224) [system] ')'==d
   Fail: (224) [system] ')'==d
   Call: (224) [system] get_char((0x563acd73bee0), d)
   Exit: (224) [system] get_char((0x563acd73bee0), d)
   Call: (224) [system] d=(\)
   Fail: (224) [system] d=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _455440)
   Call: (225) [system] peek_char((0x563acd73bee0), _456374)
   Exit: (225) [system] peek_char((0x563acd73bee0), e)
^  Call: (225) [user] is_delimiter(e)
   Call: (226) [system] char_type(e, space)
   Fail: (226) [system] char_type(e, space)
   Call: (226) [system] arg(_461094, v('(', ')', end_of_file), e)
   Fail: (226) [system] arg(_462026, v('(', ')', end_of_file), e)
^  Fail: (225) [user] is_delimiter(e)
   Call: (225) [system] ')'==e
   Fail: (225) [system] ')'==e
   Call: (225) [system] get_char((0x563acd73bee0), e)
   Exit: (225) [system] get_char((0x563acd73bee0), e)
   Call: (225) [system] e=(\)
   Fail: (225) [system] e=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _469376)
   Call: (226) [system] peek_char((0x563acd73bee0), _470310)
   Exit: (226) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _469376=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (225) [system] _455440=[e]
   Exit: (225) [system] [e]=[e]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [e])
   Call: (224) [system] _441504=[d, e]
   Exit: (224) [system] [d, e]=[d, e]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, e])
^  Call: (223) [user] classify_and_convert_charseq([c, d, e], _405994)
^  Call: (224) [user] classify_and_convert_charseq_([c, d, e], _485182)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_486134, _486136), once(user:catch(read_from_chars([c, d, e], _485182), _486116, fail)), '$restore_trace'(_486134, _486136))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_486134, _486136))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _486116, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(cde)
   Exit: (225) [system] atomic(cde)
^  Exit: (224) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (224) [system] integer(cde)
   Fail: (224) [system] integer(cde)
   Call: (224) [system] _405994=cde
   Exit: (224) [system] cde=cde
^  Exit: (223) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (222) [user] read_symbolic(')', (0x563acd73bee0), c, cde)
^  Exit: (221) [user] cont_sexpr(')', (0x563acd73bee0), cde)
^  Call: (221) [user] read_list(')', (0x563acd73bee0), _498262)
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _500120)
   Exit: (223) [system] peek_char((0x563acd73bee0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x563acd73bee0), _509714)
   Exit: (223) [system] get_char((0x563acd73bee0), ' ')
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _512418)
   Exit: (224) [system] peek_char((0x563acd73bee0), a)
   Call: (224) [system] a=(;)
   Fail: (224) [system] a=(;)
   Call: (224) [system] a=(/)
   Fail: (224) [system] a=(/)
^  Call: (224) [user] is_like_space(a)
   Call: (225) [system] char_type(a, 'white')
   Fail: (225) [system] char_type(a, 'white')
   Call: (225) [system] char_type(a, end_of_line)
   Fail: (225) [system] char_type(a, end_of_line)
   Call: (225) [system] char_type(a, space)
   Fail: (225) [system] char_type(a, space)
   Call: (225) [system] char_type(a, cntrl)
   Fail: (225) [system] char_type(a, cntrl)
^  Fail: (224) [user] is_like_space(a)
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _529352)
   Exit: (222) [system] peek_char((0x563acd73bee0), a)
   Call: (222) [system] a=')'
   Fail: (222) [system] a=')'
   Call: (222) [system] a=end_of_file
   Fail: (222) [system] a=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x563acd73bee0), _534922)
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _536780)
   Exit: (224) [system] peek_char((0x563acd73bee0), a)
   Call: (224) [system] a=(;)
   Fail: (224) [system] a=(;)
   Call: (224) [system] a=(/)
   Fail: (224) [system] a=(/)
^  Call: (224) [user] is_like_space(a)
   Call: (225) [system] char_type(a, 'white')
   Fail: (225) [system] char_type(a, 'white')
   Call: (225) [system] char_type(a, end_of_line)
   Fail: (225) [system] char_type(a, end_of_line)
   Call: (225) [system] char_type(a, space)
   Fail: (225) [system] char_type(a, space)
   Call: (225) [system] char_type(a, cntrl)
   Fail: (225) [system] char_type(a, cntrl)
^  Fail: (224) [user] is_like_space(a)
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] get_char((0x563acd73bee0), _552790)
   Exit: (223) [system] get_char((0x563acd73bee0), a)
   Call: (223) [system] a='('
   Fail: (223) [system] a='('
   Call: (223) [system] a='['
   Fail: (223) [system] a='['
   Call: (223) [system] a='{'
   Fail: (223) [system] a='{'
   Call: (223) [system] a='"'
   Fail: (223) [system] a='"'
   Call: (223) [system] a=!
   Fail: (223) [system] a=!
   Call: (223) [system] a='\''
   Fail: (223) [system] a='\''
   Call: (223) [system] a='`'
   Fail: (223) [system] a='`'
   Call: (223) [system] a=end_of_file
   Fail: (223) [system] a=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x563acd73bee0), a, _534922)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _570432)
   Call: (225) [system] peek_char((0x563acd73bee0), _571366)
   Exit: (225) [system] peek_char((0x563acd73bee0), ')')
^  Call: (225) [user] is_delimiter(')')
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] arg(_576086, v('(', ')', end_of_file), ')')
   Exit: (226) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (225) [user] is_delimiter(')')
   Call: (225) [system] _570432=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (224) [user] classify_and_convert_charseq([a], _534922)
^  Call: (225) [user] classify_and_convert_charseq_([a], _582522)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_583474, _583476), once(user:catch(read_from_chars([a], _582522), _583456, fail)), '$restore_trace'(_583474, _583476))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_583474, _583476))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _583456, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(a)
   Exit: (226) [system] atomic(a)
^  Exit: (225) [user] classify_and_convert_charseq_([a], a)
   Call: (225) [system] integer(a)
   Fail: (225) [system] integer(a)
   Call: (225) [system] _534922=a
   Exit: (225) [system] a=a
^  Exit: (224) [user] classify_and_convert_charseq([a], a)
^  Exit: (223) [user] read_symbolic(')', (0x563acd73bee0), a, a)
^  Exit: (222) [user] cont_sexpr(')', (0x563acd73bee0), a)
^  Call: (222) [user] read_list(')', (0x563acd73bee0), _595602)
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _597460)
   Exit: (224) [system] peek_char((0x563acd73bee0), ')')
   Call: (224) [system] ')'=(;)
   Fail: (224) [system] ')'=(;)
   Call: (224) [system] ')'=(/)
   Fail: (224) [system] ')'=(/)
^  Call: (224) [user] is_like_space(')')
   Call: (225) [system] char_type(')', 'white')
   Fail: (225) [system] char_type(')', 'white')
   Call: (225) [system] char_type(')', end_of_line)
   Fail: (225) [system] char_type(')', end_of_line)
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] char_type(')', cntrl)
   Fail: (225) [system] char_type(')', cntrl)
^  Fail: (224) [user] is_like_space(')')
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _613470)
   Exit: (223) [system] peek_char((0x563acd73bee0), ')')
   Call: (223) [system] ')'=')'
   Exit: (223) [system] ')'=')'
   Call: (223) [system] get_char((0x563acd73bee0), _617260)
   Exit: (223) [system] get_char((0x563acd73bee0), ')')
   Call: (223) [system] _595602=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_list(')', (0x563acd73bee0), [])
   Call: (222) [system] _498262=[a]
   Exit: (222) [system] [a]=[a]
^  Exit: (221) [user] read_list(')', (0x563acd73bee0), [a])
   Call: (221) [system] _369334=[cde, a]
   Exit: (221) [system] [cde, a]=[cde, a]
^  Exit: (220) [user] read_list(')', (0x563acd73bee0), [cde, a])
   Call: (220) [system] _5888=['DisjunctionIntroduction', cde, a]
   Exit: (220) [system] ['DisjunctionIntroduction', cde, a]=['DisjunctionIntroduction', cde, a]
^  Exit: (219) [user] read_list(')', (0x563acd73bee0), ['DisjunctionIntroduction', cde, a])
^  Exit: (218) [user] cont_sexpr(')', (0x563acd73bee0), ['DisjunctionIntroduction', cde, a])
^  Call: (218) [user] read_list(')', (0x563acd73bee0), _631142)
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _633000)
   Exit: (220) [system] peek_char((0x563acd73bee0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x563acd73bee0), _642594)
   Exit: (220) [system] get_char((0x563acd73bee0), ' ')
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _645298)
   Exit: (221) [system] peek_char((0x563acd73bee0), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _662232)
   Exit: (219) [system] peek_char((0x563acd73bee0), '(')
   Call: (219) [system] '('=')'
   Fail: (219) [system] '('=')'
   Call: (219) [system] '('=end_of_file
   Fail: (219) [system] '('=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x563acd73bee0), _667802)
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _669660)
   Exit: (221) [system] peek_char((0x563acd73bee0), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] get_char((0x563acd73bee0), _685670)
   Exit: (220) [system] get_char((0x563acd73bee0), '(')
   Call: (220) [system] '('='('
   Exit: (220) [system] '('='('
^  Call: (220) [user] read_list(')', (0x563acd73bee0), _667802)
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _691240)
   Exit: (222) [system] peek_char((0x563acd73bee0), 'O')
   Call: (222) [system] 'O'=(;)
   Fail: (222) [system] 'O'=(;)
   Call: (222) [system] 'O'=(/)
   Fail: (222) [system] 'O'=(/)
^  Call: (222) [user] is_like_space('O')
   Call: (223) [system] char_type('O', 'white')
   Fail: (223) [system] char_type('O', 'white')
   Call: (223) [system] char_type('O', end_of_line)
   Fail: (223) [system] char_type('O', end_of_line)
   Call: (223) [system] char_type('O', space)
   Fail: (223) [system] char_type('O', space)
   Call: (223) [system] char_type('O', cntrl)
   Fail: (223) [system] char_type('O', cntrl)
^  Fail: (222) [user] is_like_space('O')
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _707250)
   Exit: (221) [system] peek_char((0x563acd73bee0), 'O')
   Call: (221) [system] 'O'=')'
   Fail: (221) [system] 'O'=')'
   Call: (221) [system] 'O'=end_of_file
   Fail: (221) [system] 'O'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x563acd73bee0), _712820)
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _714678)
   Exit: (223) [system] peek_char((0x563acd73bee0), 'O')
   Call: (223) [system] 'O'=(;)
   Fail: (223) [system] 'O'=(;)
   Call: (223) [system] 'O'=(/)
   Fail: (223) [system] 'O'=(/)
^  Call: (223) [user] is_like_space('O')
   Call: (224) [system] char_type('O', 'white')
   Fail: (224) [system] char_type('O', 'white')
   Call: (224) [system] char_type('O', end_of_line)
   Fail: (224) [system] char_type('O', end_of_line)
   Call: (224) [system] char_type('O', space)
   Fail: (224) [system] char_type('O', space)
   Call: (224) [system] char_type('O', cntrl)
   Fail: (224) [system] char_type('O', cntrl)
^  Fail: (223) [user] is_like_space('O')
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] get_char((0x563acd73bee0), _730688)
   Exit: (222) [system] get_char((0x563acd73bee0), 'O')
   Call: (222) [system] 'O'='('
   Fail: (222) [system] 'O'='('
   Call: (222) [system] 'O'='['
   Fail: (222) [system] 'O'='['
   Call: (222) [system] 'O'='{'
   Fail: (222) [system] 'O'='{'
   Call: (222) [system] 'O'='"'
   Fail: (222) [system] 'O'='"'
   Call: (222) [system] 'O'=!
   Fail: (222) [system] 'O'=!
   Call: (222) [system] 'O'='\''
   Fail: (222) [system] 'O'='\''
   Call: (222) [system] 'O'='`'
   Fail: (222) [system] 'O'='`'
   Call: (222) [system] 'O'=end_of_file
   Fail: (222) [system] 'O'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x563acd73bee0), 'O', _712820)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _748330)
   Call: (224) [system] peek_char((0x563acd73bee0), _749264)
   Exit: (224) [system] peek_char((0x563acd73bee0), r)
^  Call: (224) [user] is_delimiter(r)
   Call: (225) [system] char_type(r, space)
   Fail: (225) [system] char_type(r, space)
   Call: (225) [system] arg(_753984, v('(', ')', end_of_file), r)
   Fail: (225) [system] arg(_754916, v('(', ')', end_of_file), r)
^  Fail: (224) [user] is_delimiter(r)
   Call: (224) [system] ')'==r
   Fail: (224) [system] ')'==r
   Call: (224) [system] get_char((0x563acd73bee0), r)
   Exit: (224) [system] get_char((0x563acd73bee0), r)
   Call: (224) [system] r=(\)
   Fail: (224) [system] r=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _762266)
   Call: (225) [system] peek_char((0x563acd73bee0), _763200)
   Exit: (225) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (225) [user] is_delimiter('L')
   Call: (226) [system] char_type('L', space)
   Fail: (226) [system] char_type('L', space)
   Call: (226) [system] arg(_767920, v('(', ')', end_of_file), 'L')
   Fail: (226) [system] arg(_768852, v('(', ')', end_of_file), 'L')
^  Fail: (225) [user] is_delimiter('L')
   Call: (225) [system] ')'=='L'
   Fail: (225) [system] ')'=='L'
   Call: (225) [system] get_char((0x563acd73bee0), 'L')
   Exit: (225) [system] get_char((0x563acd73bee0), 'L')
   Call: (225) [system] 'L'=(\)
   Fail: (225) [system] 'L'=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _776202)
   Call: (226) [system] peek_char((0x563acd73bee0), _777136)
   Exit: (226) [system] peek_char((0x563acd73bee0), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Fail: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_781856, v('(', ')', end_of_file), i)
   Fail: (227) [system] arg(_782788, v('(', ')', end_of_file), i)
^  Fail: (226) [user] is_delimiter(i)
   Call: (226) [system] ')'==i
   Fail: (226) [system] ')'==i
   Call: (226) [system] get_char((0x563acd73bee0), i)
   Exit: (226) [system] get_char((0x563acd73bee0), i)
   Call: (226) [system] i=(\)
   Fail: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _790138)
   Call: (227) [system] peek_char((0x563acd73bee0), _791072)
   Exit: (227) [system] peek_char((0x563acd73bee0), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_795792, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_796724, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x563acd73bee0), n)
   Exit: (227) [system] get_char((0x563acd73bee0), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _804074)
   Call: (228) [system] peek_char((0x563acd73bee0), _805008)
   Exit: (228) [system] peek_char((0x563acd73bee0), k)
^  Call: (228) [user] is_delimiter(k)
   Call: (229) [system] char_type(k, space)
   Fail: (229) [system] char_type(k, space)
   Call: (229) [system] arg(_809728, v('(', ')', end_of_file), k)
   Fail: (229) [system] arg(_810660, v('(', ')', end_of_file), k)
^  Fail: (228) [user] is_delimiter(k)
   Call: (228) [system] ')'==k
   Fail: (228) [system] ')'==k
   Call: (228) [system] get_char((0x563acd73bee0), k)
   Exit: (228) [system] get_char((0x563acd73bee0), k)
   Call: (228) [system] k=(\)
   Fail: (228) [system] k=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _818010)
   Call: (229) [system] peek_char((0x563acd73bee0), _818944)
   Exit: (229) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _818010=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (228) [system] _804074=[k]
   Exit: (228) [system] [k]=[k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (227) [system] _790138=[n, k]
   Exit: (227) [system] [n, k]=[n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (226) [system] _776202=[i, n, k]
   Exit: (226) [system] [i, n, k]=[i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (225) [system] _762266=['L', i, n, k]
   Exit: (225) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (224) [system] _748330=[r, 'L', i, n, k]
   Exit: (224) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (223) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _712820)
^  Call: (224) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _842198)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_843150, _843152), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _842198), _843132, fail)), '$restore_trace'(_843150, _843152))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_843150, _843152))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _842198), _843132, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_842198)
   Fail: (225) [system] atomic(_842198)
   Call: (225) [system] atom_chars(_842198, ['O', r, 'L', i, n, k])
   Exit: (225) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (224) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (224) [system] integer('OrLink')
   Fail: (224) [system] integer('OrLink')
   Call: (224) [system] _712820='OrLink'
   Exit: (224) [system] 'OrLink'='OrLink'
^  Exit: (223) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (222) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (221) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (221) [user] read_list(')', (0x563acd73bee0), _857148)
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _859006)
   Exit: (223) [system] peek_char((0x563acd73bee0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x563acd73bee0), _868600)
   Exit: (223) [system] get_char((0x563acd73bee0), ' ')
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _871304)
   Exit: (224) [system] peek_char((0x563acd73bee0), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
   Call: (224) [system] '('=(/)
   Fail: (224) [system] '('=(/)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _888238)
   Exit: (222) [system] peek_char((0x563acd73bee0), '(')
   Call: (222) [system] '('=')'
   Fail: (222) [system] '('=')'
   Call: (222) [system] '('=end_of_file
   Fail: (222) [system] '('=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x563acd73bee0), _893808)
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _895666)
   Exit: (224) [system] peek_char((0x563acd73bee0), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
   Call: (224) [system] '('=(/)
   Fail: (224) [system] '('=(/)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] get_char((0x563acd73bee0), _911676)
   Exit: (223) [system] get_char((0x563acd73bee0), '(')
   Call: (223) [system] '('='('
   Exit: (223) [system] '('='('
^  Call: (223) [user] read_list(')', (0x563acd73bee0), _893808)
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _917246)
   Exit: (225) [system] peek_char((0x563acd73bee0), 'I')
   Call: (225) [system] 'I'=(;)
   Fail: (225) [system] 'I'=(;)
   Call: (225) [system] 'I'=(/)
   Fail: (225) [system] 'I'=(/)
^  Call: (225) [user] is_like_space('I')
   Call: (226) [system] char_type('I', 'white')
   Fail: (226) [system] char_type('I', 'white')
   Call: (226) [system] char_type('I', end_of_line)
   Fail: (226) [system] char_type('I', end_of_line)
   Call: (226) [system] char_type('I', space)
   Fail: (226) [system] char_type('I', space)
   Call: (226) [system] char_type('I', cntrl)
   Fail: (226) [system] char_type('I', cntrl)
^  Fail: (225) [user] is_like_space('I')
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _933256)
   Exit: (224) [system] peek_char((0x563acd73bee0), 'I')
   Call: (224) [system] 'I'=')'
   Fail: (224) [system] 'I'=')'
   Call: (224) [system] 'I'=end_of_file
   Fail: (224) [system] 'I'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x563acd73bee0), _938826)
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _940684)
   Exit: (226) [system] peek_char((0x563acd73bee0), 'I')
   Call: (226) [system] 'I'=(;)
   Fail: (226) [system] 'I'=(;)
   Call: (226) [system] 'I'=(/)
   Fail: (226) [system] 'I'=(/)
^  Call: (226) [user] is_like_space('I')
   Call: (227) [system] char_type('I', 'white')
   Fail: (227) [system] char_type('I', 'white')
   Call: (227) [system] char_type('I', end_of_line)
   Fail: (227) [system] char_type('I', end_of_line)
   Call: (227) [system] char_type('I', space)
   Fail: (227) [system] char_type('I', space)
   Call: (227) [system] char_type('I', cntrl)
   Fail: (227) [system] char_type('I', cntrl)
^  Fail: (226) [user] is_like_space('I')
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] get_char((0x563acd73bee0), _956694)
   Exit: (225) [system] get_char((0x563acd73bee0), 'I')
   Call: (225) [system] 'I'='('
   Fail: (225) [system] 'I'='('
   Call: (225) [system] 'I'='['
   Fail: (225) [system] 'I'='['
   Call: (225) [system] 'I'='{'
   Fail: (225) [system] 'I'='{'
   Call: (225) [system] 'I'='"'
   Fail: (225) [system] 'I'='"'
   Call: (225) [system] 'I'=!
   Fail: (225) [system] 'I'=!
   Call: (225) [system] 'I'='\''
   Fail: (225) [system] 'I'='\''
   Call: (225) [system] 'I'='`'
   Fail: (225) [system] 'I'='`'
   Call: (225) [system] 'I'=end_of_file
   Fail: (225) [system] 'I'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x563acd73bee0), 'I', _938826)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _974336)
   Call: (227) [system] peek_char((0x563acd73bee0), _975270)
   Exit: (227) [system] peek_char((0x563acd73bee0), m)
^  Call: (227) [user] is_delimiter(m)
   Call: (228) [system] char_type(m, space)
   Fail: (228) [system] char_type(m, space)
   Call: (228) [system] arg(_979990, v('(', ')', end_of_file), m)
   Fail: (228) [system] arg(_980922, v('(', ')', end_of_file), m)
^  Fail: (227) [user] is_delimiter(m)
   Call: (227) [system] ')'==m
   Fail: (227) [system] ')'==m
   Call: (227) [system] get_char((0x563acd73bee0), m)
   Exit: (227) [system] get_char((0x563acd73bee0), m)
   Call: (227) [system] m=(\)
   Fail: (227) [system] m=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _988272)
   Call: (228) [system] peek_char((0x563acd73bee0), _989206)
   Exit: (228) [system] peek_char((0x563acd73bee0), p)
^  Call: (228) [user] is_delimiter(p)
   Call: (229) [system] char_type(p, space)
   Fail: (229) [system] char_type(p, space)
   Call: (229) [system] arg(_993926, v('(', ')', end_of_file), p)
   Fail: (229) [system] arg(_994858, v('(', ')', end_of_file), p)
^  Fail: (228) [user] is_delimiter(p)
   Call: (228) [system] ')'==p
   Fail: (228) [system] ')'==p
   Call: (228) [system] get_char((0x563acd73bee0), p)
   Exit: (228) [system] get_char((0x563acd73bee0), p)
   Call: (228) [system] p=(\)
   Fail: (228) [system] p=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _1002208)
   Call: (229) [system] peek_char((0x563acd73bee0), _1003142)
   Exit: (229) [system] peek_char((0x563acd73bee0), l)
^  Call: (229) [user] is_delimiter(l)
   Call: (230) [system] char_type(l, space)
   Fail: (230) [system] char_type(l, space)
   Call: (230) [system] arg(_1007862, v('(', ')', end_of_file), l)
   Fail: (230) [system] arg(_1008794, v('(', ')', end_of_file), l)
^  Fail: (229) [user] is_delimiter(l)
   Call: (229) [system] ')'==l
   Fail: (229) [system] ')'==l
   Call: (229) [system] get_char((0x563acd73bee0), l)
   Exit: (229) [system] get_char((0x563acd73bee0), l)
   Call: (229) [system] l=(\)
   Fail: (229) [system] l=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _1016144)
   Call: (230) [system] peek_char((0x563acd73bee0), _1017078)
   Exit: (230) [system] peek_char((0x563acd73bee0), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Fail: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_1021798, v('(', ')', end_of_file), i)
   Fail: (231) [system] arg(_1022730, v('(', ')', end_of_file), i)
^  Fail: (230) [user] is_delimiter(i)
   Call: (230) [system] ')'==i
   Fail: (230) [system] ')'==i
   Call: (230) [system] get_char((0x563acd73bee0), i)
   Exit: (230) [system] get_char((0x563acd73bee0), i)
   Call: (230) [system] i=(\)
   Fail: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _1030080)
   Call: (231) [system] peek_char((0x563acd73bee0), _1031014)
   Exit: (231) [system] peek_char((0x563acd73bee0), c)
^  Call: (231) [user] is_delimiter(c)
   Call: (232) [system] char_type(c, space)
   Fail: (232) [system] char_type(c, space)
   Call: (232) [system] arg(_1035734, v('(', ')', end_of_file), c)
   Fail: (232) [system] arg(_1036666, v('(', ')', end_of_file), c)
^  Fail: (231) [user] is_delimiter(c)
   Call: (231) [system] ')'==c
   Fail: (231) [system] ')'==c
   Call: (231) [system] get_char((0x563acd73bee0), c)
   Exit: (231) [system] get_char((0x563acd73bee0), c)
   Call: (231) [system] c=(\)
   Fail: (231) [system] c=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _1044016)
   Call: (232) [system] peek_char((0x563acd73bee0), _1044950)
   Exit: (232) [system] peek_char((0x563acd73bee0), a)
^  Call: (232) [user] is_delimiter(a)
   Call: (233) [system] char_type(a, space)
   Fail: (233) [system] char_type(a, space)
   Call: (233) [system] arg(_1049670, v('(', ')', end_of_file), a)
   Fail: (233) [system] arg(_1050602, v('(', ')', end_of_file), a)
^  Fail: (232) [user] is_delimiter(a)
   Call: (232) [system] ')'==a
   Fail: (232) [system] ')'==a
   Call: (232) [system] get_char((0x563acd73bee0), a)
   Exit: (232) [system] get_char((0x563acd73bee0), a)
   Call: (232) [system] a=(\)
   Fail: (232) [system] a=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _1057952)
   Call: (233) [system] peek_char((0x563acd73bee0), _1058886)
   Exit: (233) [system] peek_char((0x563acd73bee0), t)
^  Call: (233) [user] is_delimiter(t)
   Call: (234) [system] char_type(t, space)
   Fail: (234) [system] char_type(t, space)
   Call: (234) [system] arg(_1063606, v('(', ')', end_of_file), t)
   Fail: (234) [system] arg(_1064538, v('(', ')', end_of_file), t)
^  Fail: (233) [user] is_delimiter(t)
   Call: (233) [system] ')'==t
   Fail: (233) [system] ')'==t
   Call: (233) [system] get_char((0x563acd73bee0), t)
   Exit: (233) [system] get_char((0x563acd73bee0), t)
   Call: (233) [system] t=(\)
   Fail: (233) [system] t=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), _1071888)
   Call: (234) [system] peek_char((0x563acd73bee0), _1072822)
   Exit: (234) [system] peek_char((0x563acd73bee0), i)
^  Call: (234) [user] is_delimiter(i)
   Call: (235) [system] char_type(i, space)
   Fail: (235) [system] char_type(i, space)
   Call: (235) [system] arg(_1077542, v('(', ')', end_of_file), i)
   Fail: (235) [system] arg(_1078474, v('(', ')', end_of_file), i)
^  Fail: (234) [user] is_delimiter(i)
   Call: (234) [system] ')'==i
   Fail: (234) [system] ')'==i
   Call: (234) [system] get_char((0x563acd73bee0), i)
   Exit: (234) [system] get_char((0x563acd73bee0), i)
   Call: (234) [system] i=(\)
   Fail: (234) [system] i=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), _1085824)
   Call: (235) [system] peek_char((0x563acd73bee0), _1086758)
   Exit: (235) [system] peek_char((0x563acd73bee0), o)
^  Call: (235) [user] is_delimiter(o)
   Call: (236) [system] char_type(o, space)
   Fail: (236) [system] char_type(o, space)
   Call: (236) [system] arg(_1091478, v('(', ')', end_of_file), o)
   Fail: (236) [system] arg(_1092410, v('(', ')', end_of_file), o)
^  Fail: (235) [user] is_delimiter(o)
   Call: (235) [system] ')'==o
   Fail: (235) [system] ')'==o
   Call: (235) [system] get_char((0x563acd73bee0), o)
   Exit: (235) [system] get_char((0x563acd73bee0), o)
   Call: (235) [system] o=(\)
   Fail: (235) [system] o=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), _1099760)
   Call: (236) [system] peek_char((0x563acd73bee0), _1100694)
   Exit: (236) [system] peek_char((0x563acd73bee0), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Fail: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_1105414, v('(', ')', end_of_file), n)
   Fail: (237) [system] arg(_1106346, v('(', ')', end_of_file), n)
^  Fail: (236) [user] is_delimiter(n)
   Call: (236) [system] ')'==n
   Fail: (236) [system] ')'==n
   Call: (236) [system] get_char((0x563acd73bee0), n)
   Exit: (236) [system] get_char((0x563acd73bee0), n)
   Call: (236) [system] n=(\)
   Fail: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), _1113696)
   Call: (237) [system] peek_char((0x563acd73bee0), _1114630)
   Exit: (237) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (237) [user] is_delimiter(' ')
   Call: (238) [system] char_type(' ', space)
   Exit: (238) [system] char_type(' ', space)
^  Exit: (237) [user] is_delimiter(' ')
   Call: (237) [system] _1113696=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (236) [system] _1099760=[n]
   Exit: (236) [system] [n]=[n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (235) [system] _1085824=[o, n]
   Exit: (235) [system] [o, n]=[o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (234) [system] _1071888=[i, o, n]
   Exit: (234) [system] [i, o, n]=[i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (233) [system] _1057952=[t, i, o, n]
   Exit: (233) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (232) [system] _1044016=[a, t, i, o, n]
   Exit: (232) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (231) [system] _1030080=[c, a, t, i, o, n]
   Exit: (231) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (230) [system] _1016144=[i, c, a, t, i, o, n]
   Exit: (230) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (229) [system] _1002208=[l, i, c, a, t, i, o, n]
   Exit: (229) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (228) [system] _988272=[p, l, i, c, a, t, i, o, n]
   Exit: (228) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (227) [system] _974336=[m, p, l, i, c, a, t, i, o, n]
   Exit: (227) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (226) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _938826)
^  Call: (227) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1151854)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1152806, _1152808), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1151854), _1152788, fail)), '$restore_trace'(_1152806, _1152808))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1152806, _1152808))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1151854), _1152788, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_1151854)
   Fail: (228) [system] atomic(_1151854)
   Call: (228) [system] atom_chars(_1151854, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (228) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (227) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (227) [system] integer('Implication')
   Fail: (227) [system] integer('Implication')
   Call: (227) [system] _938826='Implication'
   Exit: (227) [system] 'Implication'='Implication'
^  Exit: (226) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (225) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (224) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (224) [user] read_list(')', (0x563acd73bee0), _1166804)
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _1168662)
   Exit: (226) [system] peek_char((0x563acd73bee0), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x563acd73bee0), _1178256)
   Exit: (226) [system] get_char((0x563acd73bee0), ' ')
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _1180960)
   Exit: (227) [system] peek_char((0x563acd73bee0), '(')
   Call: (227) [system] '('=(;)
   Fail: (227) [system] '('=(;)
   Call: (227) [system] '('=(/)
   Fail: (227) [system] '('=(/)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Fail: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Fail: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Fail: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
   Fail: (228) [system] char_type('(', cntrl)
^  Fail: (227) [user] is_like_space('(')
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _1197894)
   Exit: (225) [system] peek_char((0x563acd73bee0), '(')
   Call: (225) [system] '('=')'
   Fail: (225) [system] '('=')'
   Call: (225) [system] '('=end_of_file
   Fail: (225) [system] '('=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x563acd73bee0), _1203464)
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _1205322)
   Exit: (227) [system] peek_char((0x563acd73bee0), '(')
   Call: (227) [system] '('=(;)
   Fail: (227) [system] '('=(;)
   Call: (227) [system] '('=(/)
   Fail: (227) [system] '('=(/)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Fail: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Fail: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Fail: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
   Fail: (228) [system] char_type('(', cntrl)
^  Fail: (227) [user] is_like_space('(')
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] get_char((0x563acd73bee0), _1221332)
   Exit: (226) [system] get_char((0x563acd73bee0), '(')
   Call: (226) [system] '('='('
   Exit: (226) [system] '('='('
^  Call: (226) [user] read_list(')', (0x563acd73bee0), _1203464)
^  Call: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _1226902)
   Exit: (228) [system] peek_char((0x563acd73bee0), 'O')
   Call: (228) [system] 'O'=(;)
   Fail: (228) [system] 'O'=(;)
   Call: (228) [system] 'O'=(/)
   Fail: (228) [system] 'O'=(/)
^  Call: (228) [user] is_like_space('O')
   Call: (229) [system] char_type('O', 'white')
   Fail: (229) [system] char_type('O', 'white')
   Call: (229) [system] char_type('O', end_of_line)
   Fail: (229) [system] char_type('O', end_of_line)
   Call: (229) [system] char_type('O', space)
   Fail: (229) [system] char_type('O', space)
   Call: (229) [system] char_type('O', cntrl)
   Fail: (229) [system] char_type('O', cntrl)
^  Fail: (228) [user] is_like_space('O')
^  Exit: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _1242912)
   Exit: (227) [system] peek_char((0x563acd73bee0), 'O')
   Call: (227) [system] 'O'=')'
   Fail: (227) [system] 'O'=')'
   Call: (227) [system] 'O'=end_of_file
   Fail: (227) [system] 'O'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x563acd73bee0), _1248482)
^  Call: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] peek_char((0x563acd73bee0), _1250340)
   Exit: (229) [system] peek_char((0x563acd73bee0), 'O')
   Call: (229) [system] 'O'=(;)
   Fail: (229) [system] 'O'=(;)
   Call: (229) [system] 'O'=(/)
   Fail: (229) [system] 'O'=(/)
^  Call: (229) [user] is_like_space('O')
   Call: (230) [system] char_type('O', 'white')
   Fail: (230) [system] char_type('O', 'white')
   Call: (230) [system] char_type('O', end_of_line)
   Fail: (230) [system] char_type('O', end_of_line)
   Call: (230) [system] char_type('O', space)
   Fail: (230) [system] char_type('O', space)
   Call: (230) [system] char_type('O', cntrl)
   Fail: (230) [system] char_type('O', cntrl)
^  Fail: (229) [user] is_like_space('O')
^  Exit: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] get_char((0x563acd73bee0), _1266350)
   Exit: (228) [system] get_char((0x563acd73bee0), 'O')
   Call: (228) [system] 'O'='('
   Fail: (228) [system] 'O'='('
   Call: (228) [system] 'O'='['
   Fail: (228) [system] 'O'='['
   Call: (228) [system] 'O'='{'
   Fail: (228) [system] 'O'='{'
   Call: (228) [system] 'O'='"'
   Fail: (228) [system] 'O'='"'
   Call: (228) [system] 'O'=!
   Fail: (228) [system] 'O'=!
   Call: (228) [system] 'O'='\''
   Fail: (228) [system] 'O'='\''
   Call: (228) [system] 'O'='`'
   Fail: (228) [system] 'O'='`'
   Call: (228) [system] 'O'=end_of_file
   Fail: (228) [system] 'O'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x563acd73bee0), 'O', _1248482)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _1283992)
   Call: (230) [system] peek_char((0x563acd73bee0), _1284926)
   Exit: (230) [system] peek_char((0x563acd73bee0), r)
^  Call: (230) [user] is_delimiter(r)
   Call: (231) [system] char_type(r, space)
   Fail: (231) [system] char_type(r, space)
   Call: (231) [system] arg(_1289646, v('(', ')', end_of_file), r)
   Fail: (231) [system] arg(_1290578, v('(', ')', end_of_file), r)
^  Fail: (230) [user] is_delimiter(r)
   Call: (230) [system] ')'==r
   Fail: (230) [system] ')'==r
   Call: (230) [system] get_char((0x563acd73bee0), r)
   Exit: (230) [system] get_char((0x563acd73bee0), r)
   Call: (230) [system] r=(\)
   Fail: (230) [system] r=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _1297928)
   Call: (231) [system] peek_char((0x563acd73bee0), _1298862)
   Exit: (231) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (231) [user] is_delimiter('L')
   Call: (232) [system] char_type('L', space)
   Fail: (232) [system] char_type('L', space)
   Call: (232) [system] arg(_1303582, v('(', ')', end_of_file), 'L')
   Fail: (232) [system] arg(_1304514, v('(', ')', end_of_file), 'L')
^  Fail: (231) [user] is_delimiter('L')
   Call: (231) [system] ')'=='L'
   Fail: (231) [system] ')'=='L'
   Call: (231) [system] get_char((0x563acd73bee0), 'L')
   Exit: (231) [system] get_char((0x563acd73bee0), 'L')
   Call: (231) [system] 'L'=(\)
   Fail: (231) [system] 'L'=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _1311864)
   Call: (232) [system] peek_char((0x563acd73bee0), _1312798)
   Exit: (232) [system] peek_char((0x563acd73bee0), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Fail: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_1317518, v('(', ')', end_of_file), i)
   Fail: (233) [system] arg(_1318450, v('(', ')', end_of_file), i)
^  Fail: (232) [user] is_delimiter(i)
   Call: (232) [system] ')'==i
   Fail: (232) [system] ')'==i
   Call: (232) [system] get_char((0x563acd73bee0), i)
   Exit: (232) [system] get_char((0x563acd73bee0), i)
   Call: (232) [system] i=(\)
   Fail: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _1325800)
   Call: (233) [system] peek_char((0x563acd73bee0), _1326734)
   Exit: (233) [system] peek_char((0x563acd73bee0), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_1331454, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_1332386, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x563acd73bee0), n)
   Exit: (233) [system] get_char((0x563acd73bee0), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), _1339736)
   Call: (234) [system] peek_char((0x563acd73bee0), _1340670)
   Exit: (234) [system] peek_char((0x563acd73bee0), k)
^  Call: (234) [user] is_delimiter(k)
   Call: (235) [system] char_type(k, space)
   Fail: (235) [system] char_type(k, space)
   Call: (235) [system] arg(_1345390, v('(', ')', end_of_file), k)
   Fail: (235) [system] arg(_1346322, v('(', ')', end_of_file), k)
^  Fail: (234) [user] is_delimiter(k)
   Call: (234) [system] ')'==k
   Fail: (234) [system] ')'==k
   Call: (234) [system] get_char((0x563acd73bee0), k)
   Exit: (234) [system] get_char((0x563acd73bee0), k)
   Call: (234) [system] k=(\)
   Fail: (234) [system] k=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), _1353672)
   Call: (235) [system] peek_char((0x563acd73bee0), _1354606)
   Exit: (235) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (235) [user] is_delimiter(' ')
   Call: (236) [system] char_type(' ', space)
   Exit: (236) [system] char_type(' ', space)
^  Exit: (235) [user] is_delimiter(' ')
   Call: (235) [system] _1353672=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (234) [system] _1339736=[k]
   Exit: (234) [system] [k]=[k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (233) [system] _1325800=[n, k]
   Exit: (233) [system] [n, k]=[n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (232) [system] _1311864=[i, n, k]
   Exit: (232) [system] [i, n, k]=[i, n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (231) [system] _1297928=['L', i, n, k]
   Exit: (231) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (230) [system] _1283992=[r, 'L', i, n, k]
   Exit: (230) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (229) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1248482)
^  Call: (230) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1377860)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_1378812, _1378814), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1377860), _1378794, fail)), '$restore_trace'(_1378812, _1378814))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_1378812, _1378814))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1377860), _1378794, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_1377860)
   Fail: (231) [system] atomic(_1377860)
   Call: (231) [system] atom_chars(_1377860, ['O', r, 'L', i, n, k])
   Exit: (231) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (230) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (230) [system] integer('OrLink')
   Fail: (230) [system] integer('OrLink')
   Call: (230) [system] _1248482='OrLink'
   Exit: (230) [system] 'OrLink'='OrLink'
^  Exit: (229) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (228) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (227) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (227) [user] read_list(')', (0x563acd73bee0), _1392810)
^  Call: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] peek_char((0x563acd73bee0), _1394668)
   Exit: (229) [system] peek_char((0x563acd73bee0), ' ')
   Call: (229) [system] ' '=(;)
   Fail: (229) [system] ' '=(;)
   Call: (229) [system] ' '=(/)
   Fail: (229) [system] ' '=(/)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x563acd73bee0), _1404262)
   Exit: (229) [system] get_char((0x563acd73bee0), ' ')
^  Call: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (230) [system] peek_char((0x563acd73bee0), _1406966)
   Exit: (230) [system] peek_char((0x563acd73bee0), 'C')
   Call: (230) [system] 'C'=(;)
   Fail: (230) [system] 'C'=(;)
   Call: (230) [system] 'C'=(/)
   Fail: (230) [system] 'C'=(/)
^  Call: (230) [user] is_like_space('C')
   Call: (231) [system] char_type('C', 'white')
   Fail: (231) [system] char_type('C', 'white')
   Call: (231) [system] char_type('C', end_of_line)
   Fail: (231) [system] char_type('C', end_of_line)
   Call: (231) [system] char_type('C', space)
   Fail: (231) [system] char_type('C', space)
   Call: (231) [system] char_type('C', cntrl)
   Fail: (231) [system] char_type('C', cntrl)
^  Fail: (230) [user] is_like_space('C')
^  Exit: (229) [user] skip_spaces((0x563acd73bee0))
^  Exit: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _1423900)
   Exit: (228) [system] peek_char((0x563acd73bee0), 'C')
   Call: (228) [system] 'C'=')'
   Fail: (228) [system] 'C'=')'
   Call: (228) [system] 'C'=end_of_file
   Fail: (228) [system] 'C'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x563acd73bee0), _1429470)
^  Call: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (230) [system] peek_char((0x563acd73bee0), _1431328)
   Exit: (230) [system] peek_char((0x563acd73bee0), 'C')
   Call: (230) [system] 'C'=(;)
   Fail: (230) [system] 'C'=(;)
   Call: (230) [system] 'C'=(/)
   Fail: (230) [system] 'C'=(/)
^  Call: (230) [user] is_like_space('C')
   Call: (231) [system] char_type('C', 'white')
   Fail: (231) [system] char_type('C', 'white')
   Call: (231) [system] char_type('C', end_of_line)
   Fail: (231) [system] char_type('C', end_of_line)
   Call: (231) [system] char_type('C', space)
   Fail: (231) [system] char_type('C', space)
   Call: (231) [system] char_type('C', cntrl)
   Fail: (231) [system] char_type('C', cntrl)
^  Fail: (230) [user] is_like_space('C')
^  Exit: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] get_char((0x563acd73bee0), _1447338)
   Exit: (229) [system] get_char((0x563acd73bee0), 'C')
   Call: (229) [system] 'C'='('
   Fail: (229) [system] 'C'='('
   Call: (229) [system] 'C'='['
   Fail: (229) [system] 'C'='['
   Call: (229) [system] 'C'='{'
   Fail: (229) [system] 'C'='{'
   Call: (229) [system] 'C'='"'
   Fail: (229) [system] 'C'='"'
   Call: (229) [system] 'C'=!
   Fail: (229) [system] 'C'=!
   Call: (229) [system] 'C'='\''
   Fail: (229) [system] 'C'='\''
   Call: (229) [system] 'C'='`'
   Fail: (229) [system] 'C'='`'
   Call: (229) [system] 'C'=end_of_file
   Fail: (229) [system] 'C'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x563acd73bee0), 'C', _1429470)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _1464980)
   Call: (231) [system] peek_char((0x563acd73bee0), _1465914)
   Exit: (231) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _1464980=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (230) [user] classify_and_convert_charseq(['C'], _1429470)
^  Call: (231) [user] classify_and_convert_charseq_(['C'], _1475198)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_1476150, _1476152), once(user:catch(read_from_chars(['C'], _1475198), _1476132, fail)), '$restore_trace'(_1476150, _1476152))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_1476150, _1476152))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1475198), _1476132, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_1475198)
   Fail: (232) [system] atomic(_1475198)
   Call: (232) [system] atom_chars(_1475198, ['C'])
   Exit: (232) [system] atom_chars('C', ['C'])
^  Exit: (231) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (231) [system] integer('C')
   Fail: (231) [system] integer('C')
   Call: (231) [system] _1429470='C'
   Exit: (231) [system] 'C'='C'
^  Exit: (230) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (229) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (228) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (228) [user] read_list(')', (0x563acd73bee0), _1490148)
^  Call: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (230) [system] peek_char((0x563acd73bee0), _1492006)
   Exit: (230) [system] peek_char((0x563acd73bee0), ' ')
   Call: (230) [system] ' '=(;)
   Fail: (230) [system] ' '=(;)
   Call: (230) [system] ' '=(/)
   Fail: (230) [system] ' '=(/)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x563acd73bee0), _1501600)
   Exit: (230) [system] get_char((0x563acd73bee0), ' ')
^  Call: (230) [user] skip_spaces((0x563acd73bee0))
   Call: (231) [system] peek_char((0x563acd73bee0), _1504304)
   Exit: (231) [system] peek_char((0x563acd73bee0), 'D')
   Call: (231) [system] 'D'=(;)
   Fail: (231) [system] 'D'=(;)
   Call: (231) [system] 'D'=(/)
   Fail: (231) [system] 'D'=(/)
^  Call: (231) [user] is_like_space('D')
   Call: (232) [system] char_type('D', 'white')
   Fail: (232) [system] char_type('D', 'white')
   Call: (232) [system] char_type('D', end_of_line)
   Fail: (232) [system] char_type('D', end_of_line)
   Call: (232) [system] char_type('D', space)
   Fail: (232) [system] char_type('D', space)
   Call: (232) [system] char_type('D', cntrl)
   Fail: (232) [system] char_type('D', cntrl)
^  Fail: (231) [user] is_like_space('D')
^  Exit: (230) [user] skip_spaces((0x563acd73bee0))
^  Exit: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] peek_char((0x563acd73bee0), _1521238)
   Exit: (229) [system] peek_char((0x563acd73bee0), 'D')
   Call: (229) [system] 'D'=')'
   Fail: (229) [system] 'D'=')'
   Call: (229) [system] 'D'=end_of_file
   Fail: (229) [system] 'D'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x563acd73bee0), _1526808)
^  Call: (230) [user] skip_spaces((0x563acd73bee0))
   Call: (231) [system] peek_char((0x563acd73bee0), _1528666)
   Exit: (231) [system] peek_char((0x563acd73bee0), 'D')
   Call: (231) [system] 'D'=(;)
   Fail: (231) [system] 'D'=(;)
   Call: (231) [system] 'D'=(/)
   Fail: (231) [system] 'D'=(/)
^  Call: (231) [user] is_like_space('D')
   Call: (232) [system] char_type('D', 'white')
   Fail: (232) [system] char_type('D', 'white')
   Call: (232) [system] char_type('D', end_of_line)
   Fail: (232) [system] char_type('D', end_of_line)
   Call: (232) [system] char_type('D', space)
   Fail: (232) [system] char_type('D', space)
   Call: (232) [system] char_type('D', cntrl)
   Fail: (232) [system] char_type('D', cntrl)
^  Fail: (231) [user] is_like_space('D')
^  Exit: (230) [user] skip_spaces((0x563acd73bee0))
   Call: (230) [system] get_char((0x563acd73bee0), _1544676)
   Exit: (230) [system] get_char((0x563acd73bee0), 'D')
   Call: (230) [system] 'D'='('
   Fail: (230) [system] 'D'='('
   Call: (230) [system] 'D'='['
   Fail: (230) [system] 'D'='['
   Call: (230) [system] 'D'='{'
   Fail: (230) [system] 'D'='{'
   Call: (230) [system] 'D'='"'
   Fail: (230) [system] 'D'='"'
   Call: (230) [system] 'D'=!
   Fail: (230) [system] 'D'=!
   Call: (230) [system] 'D'='\''
   Fail: (230) [system] 'D'='\''
   Call: (230) [system] 'D'='`'
   Fail: (230) [system] 'D'='`'
   Call: (230) [system] 'D'=end_of_file
   Fail: (230) [system] 'D'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x563acd73bee0), 'D', _1526808)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _1562318)
   Call: (232) [system] peek_char((0x563acd73bee0), _1563252)
   Exit: (232) [system] peek_char((0x563acd73bee0), ')')
^  Call: (232) [user] is_delimiter(')')
   Call: (233) [system] char_type(')', space)
   Fail: (233) [system] char_type(')', space)
   Call: (233) [system] arg(_1567972, v('(', ')', end_of_file), ')')
   Exit: (233) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (232) [user] is_delimiter(')')
   Call: (232) [system] _1562318=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (231) [user] classify_and_convert_charseq(['D'], _1526808)
^  Call: (232) [user] classify_and_convert_charseq_(['D'], _1574408)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_1575360, _1575362), once(user:catch(read_from_chars(['D'], _1574408), _1575342, fail)), '$restore_trace'(_1575360, _1575362))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_1575360, _1575362))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1574408), _1575342, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(_1574408)
   Fail: (233) [system] atomic(_1574408)
   Call: (233) [system] atom_chars(_1574408, ['D'])
   Exit: (233) [system] atom_chars('D', ['D'])
^  Exit: (232) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (232) [system] integer('D')
   Fail: (232) [system] integer('D')
   Call: (232) [system] _1526808='D'
   Exit: (232) [system] 'D'='D'
^  Exit: (231) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (230) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'D')
^  Exit: (229) [user] cont_sexpr(')', (0x563acd73bee0), 'D')
^  Call: (229) [user] read_list(')', (0x563acd73bee0), _1589358)
^  Call: (230) [user] skip_spaces((0x563acd73bee0))
   Call: (231) [system] peek_char((0x563acd73bee0), _1591216)
   Exit: (231) [system] peek_char((0x563acd73bee0), ')')
   Call: (231) [system] ')'=(;)
   Fail: (231) [system] ')'=(;)
   Call: (231) [system] ')'=(/)
   Fail: (231) [system] ')'=(/)
^  Call: (231) [user] is_like_space(')')
   Call: (232) [system] char_type(')', 'white')
   Fail: (232) [system] char_type(')', 'white')
   Call: (232) [system] char_type(')', end_of_line)
   Fail: (232) [system] char_type(')', end_of_line)
   Call: (232) [system] char_type(')', space)
   Fail: (232) [system] char_type(')', space)
   Call: (232) [system] char_type(')', cntrl)
   Fail: (232) [system] char_type(')', cntrl)
^  Fail: (231) [user] is_like_space(')')
^  Exit: (230) [user] skip_spaces((0x563acd73bee0))
   Call: (230) [system] peek_char((0x563acd73bee0), _1607226)
   Exit: (230) [system] peek_char((0x563acd73bee0), ')')
   Call: (230) [system] ')'=')'
   Exit: (230) [system] ')'=')'
   Call: (230) [system] get_char((0x563acd73bee0), _1611016)
   Exit: (230) [system] get_char((0x563acd73bee0), ')')
   Call: (230) [system] _1589358=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_list(')', (0x563acd73bee0), [])
   Call: (229) [system] _1490148=['D']
   Exit: (229) [system] ['D']=['D']
^  Exit: (228) [user] read_list(')', (0x563acd73bee0), ['D'])
   Call: (228) [system] _1392810=['C', 'D']
   Exit: (228) [system] ['C', 'D']=['C', 'D']
^  Exit: (227) [user] read_list(')', (0x563acd73bee0), ['C', 'D'])
   Call: (227) [system] _1203464=['OrLink', 'C', 'D']
   Exit: (227) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (226) [user] read_list(')', (0x563acd73bee0), ['OrLink', 'C', 'D'])
^  Exit: (225) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', 'C', 'D'])
^  Call: (225) [user] read_list(')', (0x563acd73bee0), _1624898)
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _1626756)
   Exit: (227) [system] peek_char((0x563acd73bee0), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
   Call: (227) [system] ' '=(/)
   Fail: (227) [system] ' '=(/)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x563acd73bee0), _1636350)
   Exit: (227) [system] get_char((0x563acd73bee0), ' ')
^  Call: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _1639054)
   Exit: (228) [system] peek_char((0x563acd73bee0), 'E')
   Call: (228) [system] 'E'=(;)
   Fail: (228) [system] 'E'=(;)
   Call: (228) [system] 'E'=(/)
   Fail: (228) [system] 'E'=(/)
^  Call: (228) [user] is_like_space('E')
   Call: (229) [system] char_type('E', 'white')
   Fail: (229) [system] char_type('E', 'white')
   Call: (229) [system] char_type('E', end_of_line)
   Fail: (229) [system] char_type('E', end_of_line)
   Call: (229) [system] char_type('E', space)
   Fail: (229) [system] char_type('E', space)
   Call: (229) [system] char_type('E', cntrl)
   Fail: (229) [system] char_type('E', cntrl)
^  Fail: (228) [user] is_like_space('E')
^  Exit: (227) [user] skip_spaces((0x563acd73bee0))
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _1655988)
   Exit: (226) [system] peek_char((0x563acd73bee0), 'E')
   Call: (226) [system] 'E'=')'
   Fail: (226) [system] 'E'=')'
   Call: (226) [system] 'E'=end_of_file
   Fail: (226) [system] 'E'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x563acd73bee0), _1661558)
^  Call: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _1663416)
   Exit: (228) [system] peek_char((0x563acd73bee0), 'E')
   Call: (228) [system] 'E'=(;)
   Fail: (228) [system] 'E'=(;)
   Call: (228) [system] 'E'=(/)
   Fail: (228) [system] 'E'=(/)
^  Call: (228) [user] is_like_space('E')
   Call: (229) [system] char_type('E', 'white')
   Fail: (229) [system] char_type('E', 'white')
   Call: (229) [system] char_type('E', end_of_line)
   Fail: (229) [system] char_type('E', end_of_line)
   Call: (229) [system] char_type('E', space)
   Fail: (229) [system] char_type('E', space)
   Call: (229) [system] char_type('E', cntrl)
   Fail: (229) [system] char_type('E', cntrl)
^  Fail: (228) [user] is_like_space('E')
^  Exit: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] get_char((0x563acd73bee0), _1679426)
   Exit: (227) [system] get_char((0x563acd73bee0), 'E')
   Call: (227) [system] 'E'='('
   Fail: (227) [system] 'E'='('
   Call: (227) [system] 'E'='['
   Fail: (227) [system] 'E'='['
   Call: (227) [system] 'E'='{'
   Fail: (227) [system] 'E'='{'
   Call: (227) [system] 'E'='"'
   Fail: (227) [system] 'E'='"'
   Call: (227) [system] 'E'=!
   Fail: (227) [system] 'E'=!
   Call: (227) [system] 'E'='\''
   Fail: (227) [system] 'E'='\''
   Call: (227) [system] 'E'='`'
   Fail: (227) [system] 'E'='`'
   Call: (227) [system] 'E'=end_of_file
   Fail: (227) [system] 'E'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x563acd73bee0), 'E', _1661558)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _1697068)
   Call: (229) [system] peek_char((0x563acd73bee0), _1698002)
   Exit: (229) [system] peek_char((0x563acd73bee0), ')')
^  Call: (229) [user] is_delimiter(')')
   Call: (230) [system] char_type(')', space)
   Fail: (230) [system] char_type(')', space)
   Call: (230) [system] arg(_1702722, v('(', ')', end_of_file), ')')
   Exit: (230) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (229) [user] is_delimiter(')')
   Call: (229) [system] _1697068=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (228) [user] classify_and_convert_charseq(['E'], _1661558)
^  Call: (229) [user] classify_and_convert_charseq_(['E'], _1709158)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_1710110, _1710112), once(user:catch(read_from_chars(['E'], _1709158), _1710092, fail)), '$restore_trace'(_1710110, _1710112))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_1710110, _1710112))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1709158), _1710092, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_1709158)
   Fail: (230) [system] atomic(_1709158)
   Call: (230) [system] atom_chars(_1709158, ['E'])
   Exit: (230) [system] atom_chars('E', ['E'])
^  Exit: (229) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (229) [system] integer('E')
   Fail: (229) [system] integer('E')
   Call: (229) [system] _1661558='E'
   Exit: (229) [system] 'E'='E'
^  Exit: (228) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (227) [user] read_symbolic(')', (0x563acd73bee0), 'E', 'E')
^  Exit: (226) [user] cont_sexpr(')', (0x563acd73bee0), 'E')
^  Call: (226) [user] read_list(')', (0x563acd73bee0), _1724108)
^  Call: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _1725966)
   Exit: (228) [system] peek_char((0x563acd73bee0), ')')
   Call: (228) [system] ')'=(;)
   Fail: (228) [system] ')'=(;)
   Call: (228) [system] ')'=(/)
   Fail: (228) [system] ')'=(/)
^  Call: (228) [user] is_like_space(')')
   Call: (229) [system] char_type(')', 'white')
   Fail: (229) [system] char_type(')', 'white')
   Call: (229) [system] char_type(')', end_of_line)
   Fail: (229) [system] char_type(')', end_of_line)
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] char_type(')', cntrl)
   Fail: (229) [system] char_type(')', cntrl)
^  Fail: (228) [user] is_like_space(')')
^  Exit: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _1741976)
   Exit: (227) [system] peek_char((0x563acd73bee0), ')')
   Call: (227) [system] ')'=')'
   Exit: (227) [system] ')'=')'
   Call: (227) [system] get_char((0x563acd73bee0), _1745766)
   Exit: (227) [system] get_char((0x563acd73bee0), ')')
   Call: (227) [system] _1724108=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_list(')', (0x563acd73bee0), [])
   Call: (226) [system] _1624898=['E']
   Exit: (226) [system] ['E']=['E']
^  Exit: (225) [user] read_list(')', (0x563acd73bee0), ['E'])
   Call: (225) [system] _1166804=[['OrLink', 'C', 'D'], 'E']
   Exit: (225) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (224) [user] read_list(')', (0x563acd73bee0), [['OrLink', 'C', 'D'], 'E'])
   Call: (224) [system] _893808=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (224) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (223) [user] read_list(')', (0x563acd73bee0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (222) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (222) [user] read_list(')', (0x563acd73bee0), _1759648)
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _1761506)
   Exit: (224) [system] peek_char((0x563acd73bee0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x563acd73bee0), _1771100)
   Exit: (224) [system] get_char((0x563acd73bee0), ' ')
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _1773804)
   Exit: (225) [system] peek_char((0x563acd73bee0), 'A')
   Call: (225) [system] 'A'=(;)
   Fail: (225) [system] 'A'=(;)
   Call: (225) [system] 'A'=(/)
   Fail: (225) [system] 'A'=(/)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Fail: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Fail: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Fail: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
   Fail: (226) [system] char_type('A', cntrl)
^  Fail: (225) [user] is_like_space('A')
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _1790738)
   Exit: (223) [system] peek_char((0x563acd73bee0), 'A')
   Call: (223) [system] 'A'=')'
   Fail: (223) [system] 'A'=')'
   Call: (223) [system] 'A'=end_of_file
   Fail: (223) [system] 'A'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x563acd73bee0), _1796308)
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _1798166)
   Exit: (225) [system] peek_char((0x563acd73bee0), 'A')
   Call: (225) [system] 'A'=(;)
   Fail: (225) [system] 'A'=(;)
   Call: (225) [system] 'A'=(/)
   Fail: (225) [system] 'A'=(/)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Fail: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Fail: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Fail: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
   Fail: (226) [system] char_type('A', cntrl)
^  Fail: (225) [user] is_like_space('A')
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] get_char((0x563acd73bee0), _1814176)
   Exit: (224) [system] get_char((0x563acd73bee0), 'A')
   Call: (224) [system] 'A'='('
   Fail: (224) [system] 'A'='('
   Call: (224) [system] 'A'='['
   Fail: (224) [system] 'A'='['
   Call: (224) [system] 'A'='{'
   Fail: (224) [system] 'A'='{'
   Call: (224) [system] 'A'='"'
   Fail: (224) [system] 'A'='"'
   Call: (224) [system] 'A'=!
   Fail: (224) [system] 'A'=!
   Call: (224) [system] 'A'='\''
   Fail: (224) [system] 'A'='\''
   Call: (224) [system] 'A'='`'
   Fail: (224) [system] 'A'='`'
   Call: (224) [system] 'A'=end_of_file
   Fail: (224) [system] 'A'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x563acd73bee0), 'A', _1796308)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _1831818)
   Call: (226) [system] peek_char((0x563acd73bee0), _1832752)
   Exit: (226) [system] peek_char((0x563acd73bee0), ')')
^  Call: (226) [user] is_delimiter(')')
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] arg(_1837472, v('(', ')', end_of_file), ')')
   Exit: (227) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (226) [user] is_delimiter(')')
   Call: (226) [system] _1831818=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (225) [user] classify_and_convert_charseq(['A'], _1796308)
^  Call: (226) [user] classify_and_convert_charseq_(['A'], _1843908)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_1844860, _1844862), once(user:catch(read_from_chars(['A'], _1843908), _1844842, fail)), '$restore_trace'(_1844860, _1844862))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_1844860, _1844862))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1843908), _1844842, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_1843908)
   Fail: (227) [system] atomic(_1843908)
   Call: (227) [system] atom_chars(_1843908, ['A'])
   Exit: (227) [system] atom_chars('A', ['A'])
^  Exit: (226) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (226) [system] integer('A')
   Fail: (226) [system] integer('A')
   Call: (226) [system] _1796308='A'
   Exit: (226) [system] 'A'='A'
^  Exit: (225) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (224) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (223) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (223) [user] read_list(')', (0x563acd73bee0), _1858858)
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _1860716)
   Exit: (225) [system] peek_char((0x563acd73bee0), ')')
   Call: (225) [system] ')'=(;)
   Fail: (225) [system] ')'=(;)
   Call: (225) [system] ')'=(/)
   Fail: (225) [system] ')'=(/)
^  Call: (225) [user] is_like_space(')')
   Call: (226) [system] char_type(')', 'white')
   Fail: (226) [system] char_type(')', 'white')
   Call: (226) [system] char_type(')', end_of_line)
   Fail: (226) [system] char_type(')', end_of_line)
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] char_type(')', cntrl)
   Fail: (226) [system] char_type(')', cntrl)
^  Fail: (225) [user] is_like_space(')')
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _1876726)
   Exit: (224) [system] peek_char((0x563acd73bee0), ')')
   Call: (224) [system] ')'=')'
   Exit: (224) [system] ')'=')'
   Call: (224) [system] get_char((0x563acd73bee0), _1880516)
   Exit: (224) [system] get_char((0x563acd73bee0), ')')
   Call: (224) [system] _1858858=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_list(')', (0x563acd73bee0), [])
   Call: (223) [system] _1759648=['A']
   Exit: (223) [system] ['A']=['A']
^  Exit: (222) [user] read_list(')', (0x563acd73bee0), ['A'])
   Call: (222) [system] _857148=[['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']
   Exit: (222) [system] [['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']=[['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']
^  Exit: (221) [user] read_list(')', (0x563acd73bee0), [['Implication', ['OrLink', 'C', 'D'], 'E'], 'A'])
   Call: (221) [system] _667802=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']
   Exit: (221) [system] ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']
^  Exit: (220) [user] read_list(')', (0x563acd73bee0), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A'])
^  Exit: (219) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A'])
^  Call: (219) [user] read_list(')', (0x563acd73bee0), _1894398)
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _1896256)
   Exit: (221) [system] peek_char((0x563acd73bee0), ')')
   Call: (221) [system] ')'=(;)
   Fail: (221) [system] ')'=(;)
   Call: (221) [system] ')'=(/)
   Fail: (221) [system] ')'=(/)
^  Call: (221) [user] is_like_space(')')
   Call: (222) [system] char_type(')', 'white')
   Fail: (222) [system] char_type(')', 'white')
   Call: (222) [system] char_type(')', end_of_line)
   Fail: (222) [system] char_type(')', end_of_line)
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] char_type(')', cntrl)
   Fail: (222) [system] char_type(')', cntrl)
^  Fail: (221) [user] is_like_space(')')
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _1912266)
   Exit: (220) [system] peek_char((0x563acd73bee0), ')')
   Call: (220) [system] ')'=')'
   Exit: (220) [system] ')'=')'
   Call: (220) [system] get_char((0x563acd73bee0), _1916056)
   Exit: (220) [system] get_char((0x563acd73bee0), ')')
   Call: (220) [system] _1894398=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_list(')', (0x563acd73bee0), [])
   Call: (219) [system] _631142=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
   Exit: (219) [system] [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
^  Exit: (218) [user] read_list(')', (0x563acd73bee0), [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']])
   Call: (218) [system] _5884=[['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
   Exit: (218) [system] [['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]=[['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
^  Exit: (217) [user] read_list(')', (0x563acd73bee0), [['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']])
   Call: (217) [system] _5876=[:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
   Exit: (217) [system] [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]=[:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
^  Exit: (216) [user] read_list(')', (0x563acd73bee0), [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']])
^  Exit: (215) [user] cont_sexpr(')', (0x563acd73bee0), [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']])
^  Call: (215) [user] read_list(')', (0x563acd73bee0), _1929938)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1931796)
   Exit: (217) [system] peek_char((0x563acd73bee0), '\n')
   Call: (217) [system] '\n'=(;)
   Fail: (217) [system] '\n'=(;)
   Call: (217) [system] '\n'=(/)
   Fail: (217) [system] '\n'=(/)
^  Call: (217) [user] is_like_space('\n')
   Call: (218) [system] char_type('\n', 'white')
   Fail: (218) [system] char_type('\n', 'white')
   Call: (218) [system] char_type('\n', end_of_line)
   Exit: (218) [system] char_type('\n', end_of_line)
^  Exit: (217) [user] is_like_space('\n')
   Call: (217) [system] get_char((0x563acd73bee0), _1943246)
   Exit: (217) [system] get_char((0x563acd73bee0), '\n')
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _1945950)
   Exit: (218) [system] peek_char((0x563acd73bee0), '\t')
   Call: (218) [system] '\t'=(;)
   Fail: (218) [system] '\t'=(;)
   Call: (218) [system] '\t'=(/)
   Fail: (218) [system] '\t'=(/)
^  Call: (218) [user] is_like_space('\t')
   Call: (219) [system] char_type('\t', 'white')
   Exit: (219) [system] char_type('\t', 'white')
^  Exit: (218) [user] is_like_space('\t')
   Call: (218) [system] get_char((0x563acd73bee0), _1955544)
   Exit: (218) [system] get_char((0x563acd73bee0), '\t')
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _1958248)
   Exit: (219) [system] peek_char((0x563acd73bee0), '\t')
   Call: (219) [system] '\t'=(;)
   Fail: (219) [system] '\t'=(;)
   Call: (219) [system] '\t'=(/)
   Fail: (219) [system] '\t'=(/)
^  Call: (219) [user] is_like_space('\t')
   Call: (220) [system] char_type('\t', 'white')
   Exit: (220) [system] char_type('\t', 'white')
^  Exit: (219) [user] is_like_space('\t')
   Call: (219) [system] get_char((0x563acd73bee0), _1967842)
   Exit: (219) [system] get_char((0x563acd73bee0), '\t')
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _1970546)
   Exit: (220) [system] peek_char((0x563acd73bee0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x563acd73bee0), _1980140)
   Exit: (220) [system] get_char((0x563acd73bee0), ' ')
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _1982844)
   Exit: (221) [system] peek_char((0x563acd73bee0), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _2002550)
   Exit: (216) [system] peek_char((0x563acd73bee0), '(')
   Call: (216) [system] '('=')'
   Fail: (216) [system] '('=')'
   Call: (216) [system] '('=end_of_file
   Fail: (216) [system] '('=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x563acd73bee0), _2008120)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _2009978)
   Exit: (218) [system] peek_char((0x563acd73bee0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] get_char((0x563acd73bee0), _2025988)
   Exit: (217) [system] get_char((0x563acd73bee0), '(')
   Call: (217) [system] '('='('
   Exit: (217) [system] '('='('
^  Call: (217) [user] read_list(')', (0x563acd73bee0), _2008120)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _2031558)
   Exit: (219) [system] peek_char((0x563acd73bee0), :)
   Call: (219) [system] (:)=(;)
   Fail: (219) [system] (:)=(;)
   Call: (219) [system] (:)=(/)
   Fail: (219) [system] (:)=(/)
^  Call: (219) [user] is_like_space(:)
   Call: (220) [system] char_type(:, 'white')
   Fail: (220) [system] char_type(:, 'white')
   Call: (220) [system] char_type(:, end_of_line)
   Fail: (220) [system] char_type(:, end_of_line)
   Call: (220) [system] char_type(:, space)
   Fail: (220) [system] char_type(:, space)
   Call: (220) [system] char_type(:, cntrl)
   Fail: (220) [system] char_type(:, cntrl)
^  Fail: (219) [user] is_like_space(:)
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _2047568)
   Exit: (218) [system] peek_char((0x563acd73bee0), :)
   Call: (218) [system] (:)=')'
   Fail: (218) [system] (:)=')'
   Call: (218) [system] (:)=end_of_file
   Fail: (218) [system] (:)=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x563acd73bee0), _2053138)
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _2054996)
   Exit: (220) [system] peek_char((0x563acd73bee0), :)
   Call: (220) [system] (:)=(;)
   Fail: (220) [system] (:)=(;)
   Call: (220) [system] (:)=(/)
   Fail: (220) [system] (:)=(/)
^  Call: (220) [user] is_like_space(:)
   Call: (221) [system] char_type(:, 'white')
   Fail: (221) [system] char_type(:, 'white')
   Call: (221) [system] char_type(:, end_of_line)
   Fail: (221) [system] char_type(:, end_of_line)
   Call: (221) [system] char_type(:, space)
   Fail: (221) [system] char_type(:, space)
   Call: (221) [system] char_type(:, cntrl)
   Fail: (221) [system] char_type(:, cntrl)
^  Fail: (220) [user] is_like_space(:)
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] get_char((0x563acd73bee0), _2071006)
   Exit: (219) [system] get_char((0x563acd73bee0), :)
   Call: (219) [system] (:)='('
   Fail: (219) [system] (:)='('
   Call: (219) [system] (:)='['
   Fail: (219) [system] (:)='['
   Call: (219) [system] (:)='{'
   Fail: (219) [system] (:)='{'
   Call: (219) [system] (:)='"'
   Fail: (219) [system] (:)='"'
   Call: (219) [system] (:)=!
   Fail: (219) [system] (:)=!
   Call: (219) [system] (:)='\''
   Fail: (219) [system] (:)='\''
   Call: (219) [system] (:)='`'
   Fail: (219) [system] (:)='`'
   Call: (219) [system] (:)=end_of_file
   Fail: (219) [system] (:)=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x563acd73bee0), :, _2053138)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _2088648)
   Call: (221) [system] peek_char((0x563acd73bee0), _2089582)
   Exit: (221) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (221) [user] is_delimiter(' ')
   Call: (222) [system] char_type(' ', space)
   Exit: (222) [system] char_type(' ', space)
^  Exit: (221) [user] is_delimiter(' ')
   Call: (221) [system] _2088648=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (220) [user] classify_and_convert_charseq([:], _5978)
^  Call: (221) [user] classify_and_convert_charseq_([:], _7818)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_8770, _8772), once(user:catch(read_from_chars([:], _7818), _8752, fail)), '$restore_trace'(_8770, _8772))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_8770, _8772))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _8752, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(:)
   Exit: (222) [system] atomic(:)
^  Exit: (221) [user] classify_and_convert_charseq_([:], :)
   Call: (221) [system] integer(:)
   Fail: (221) [system] integer(:)
   Call: (221) [system] _5978=(:)
   Exit: (221) [system] (:)=(:)
^  Exit: (220) [user] classify_and_convert_charseq([:], :)
^  Exit: (219) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (218) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (218) [user] read_list(')', (0x563acd73bee0), _20898)
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _22756)
   Exit: (220) [system] peek_char((0x563acd73bee0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x563acd73bee0), _32350)
   Exit: (220) [system] get_char((0x563acd73bee0), ' ')
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _35054)
   Exit: (221) [system] peek_char((0x563acd73bee0), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _51988)
   Exit: (219) [system] peek_char((0x563acd73bee0), '(')
   Call: (219) [system] '('=')'
   Fail: (219) [system] '('=')'
   Call: (219) [system] '('=end_of_file
   Fail: (219) [system] '('=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x563acd73bee0), _57558)
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _59416)
   Exit: (221) [system] peek_char((0x563acd73bee0), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] get_char((0x563acd73bee0), _75426)
   Exit: (220) [system] get_char((0x563acd73bee0), '(')
   Call: (220) [system] '('='('
   Exit: (220) [system] '('='('
^  Call: (220) [user] read_list(')', (0x563acd73bee0), _57558)
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _80996)
   Exit: (222) [system] peek_char((0x563acd73bee0), 'D')
   Call: (222) [system] 'D'=(;)
   Fail: (222) [system] 'D'=(;)
   Call: (222) [system] 'D'=(/)
   Fail: (222) [system] 'D'=(/)
^  Call: (222) [user] is_like_space('D')
   Call: (223) [system] char_type('D', 'white')
   Fail: (223) [system] char_type('D', 'white')
   Call: (223) [system] char_type('D', end_of_line)
   Fail: (223) [system] char_type('D', end_of_line)
   Call: (223) [system] char_type('D', space)
   Fail: (223) [system] char_type('D', space)
   Call: (223) [system] char_type('D', cntrl)
   Fail: (223) [system] char_type('D', cntrl)
^  Fail: (222) [user] is_like_space('D')
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _97006)
   Exit: (221) [system] peek_char((0x563acd73bee0), 'D')
   Call: (221) [system] 'D'=')'
   Fail: (221) [system] 'D'=')'
   Call: (221) [system] 'D'=end_of_file
   Fail: (221) [system] 'D'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x563acd73bee0), _102576)
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _104434)
   Exit: (223) [system] peek_char((0x563acd73bee0), 'D')
   Call: (223) [system] 'D'=(;)
   Fail: (223) [system] 'D'=(;)
   Call: (223) [system] 'D'=(/)
   Fail: (223) [system] 'D'=(/)
^  Call: (223) [user] is_like_space('D')
   Call: (224) [system] char_type('D', 'white')
   Fail: (224) [system] char_type('D', 'white')
   Call: (224) [system] char_type('D', end_of_line)
   Fail: (224) [system] char_type('D', end_of_line)
   Call: (224) [system] char_type('D', space)
   Fail: (224) [system] char_type('D', space)
   Call: (224) [system] char_type('D', cntrl)
   Fail: (224) [system] char_type('D', cntrl)
^  Fail: (223) [user] is_like_space('D')
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] get_char((0x563acd73bee0), _120444)
   Exit: (222) [system] get_char((0x563acd73bee0), 'D')
   Call: (222) [system] 'D'='('
   Fail: (222) [system] 'D'='('
   Call: (222) [system] 'D'='['
   Fail: (222) [system] 'D'='['
   Call: (222) [system] 'D'='{'
   Fail: (222) [system] 'D'='{'
   Call: (222) [system] 'D'='"'
   Fail: (222) [system] 'D'='"'
   Call: (222) [system] 'D'=!
   Fail: (222) [system] 'D'=!
   Call: (222) [system] 'D'='\''
   Fail: (222) [system] 'D'='\''
   Call: (222) [system] 'D'='`'
   Fail: (222) [system] 'D'='`'
   Call: (222) [system] 'D'=end_of_file
   Fail: (222) [system] 'D'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x563acd73bee0), 'D', _102576)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _138086)
   Call: (224) [system] peek_char((0x563acd73bee0), _139020)
   Exit: (224) [system] peek_char((0x563acd73bee0), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Fail: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_143740, v('(', ')', end_of_file), i)
   Fail: (225) [system] arg(_144672, v('(', ')', end_of_file), i)
^  Fail: (224) [user] is_delimiter(i)
   Call: (224) [system] ')'==i
   Fail: (224) [system] ')'==i
   Call: (224) [system] get_char((0x563acd73bee0), i)
   Exit: (224) [system] get_char((0x563acd73bee0), i)
   Call: (224) [system] i=(\)
   Fail: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _152022)
   Call: (225) [system] peek_char((0x563acd73bee0), _152956)
   Exit: (225) [system] peek_char((0x563acd73bee0), s)
^  Call: (225) [user] is_delimiter(s)
   Call: (226) [system] char_type(s, space)
   Fail: (226) [system] char_type(s, space)
   Call: (226) [system] arg(_157676, v('(', ')', end_of_file), s)
   Fail: (226) [system] arg(_158608, v('(', ')', end_of_file), s)
^  Fail: (225) [user] is_delimiter(s)
   Call: (225) [system] ')'==s
   Fail: (225) [system] ')'==s
   Call: (225) [system] get_char((0x563acd73bee0), s)
   Exit: (225) [system] get_char((0x563acd73bee0), s)
   Call: (225) [system] s=(\)
   Fail: (225) [system] s=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _165958)
   Call: (226) [system] peek_char((0x563acd73bee0), _166892)
   Exit: (226) [system] peek_char((0x563acd73bee0), j)
^  Call: (226) [user] is_delimiter(j)
   Call: (227) [system] char_type(j, space)
   Fail: (227) [system] char_type(j, space)
   Call: (227) [system] arg(_171612, v('(', ')', end_of_file), j)
   Fail: (227) [system] arg(_172544, v('(', ')', end_of_file), j)
^  Fail: (226) [user] is_delimiter(j)
   Call: (226) [system] ')'==j
   Fail: (226) [system] ')'==j
   Call: (226) [system] get_char((0x563acd73bee0), j)
   Exit: (226) [system] get_char((0x563acd73bee0), j)
   Call: (226) [system] j=(\)
   Fail: (226) [system] j=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _179894)
   Call: (227) [system] peek_char((0x563acd73bee0), _180828)
   Exit: (227) [system] peek_char((0x563acd73bee0), u)
^  Call: (227) [user] is_delimiter(u)
   Call: (228) [system] char_type(u, space)
   Fail: (228) [system] char_type(u, space)
   Call: (228) [system] arg(_185548, v('(', ')', end_of_file), u)
   Fail: (228) [system] arg(_186480, v('(', ')', end_of_file), u)
^  Fail: (227) [user] is_delimiter(u)
   Call: (227) [system] ')'==u
   Fail: (227) [system] ')'==u
   Call: (227) [system] get_char((0x563acd73bee0), u)
   Exit: (227) [system] get_char((0x563acd73bee0), u)
   Call: (227) [system] u=(\)
   Fail: (227) [system] u=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _193830)
   Call: (228) [system] peek_char((0x563acd73bee0), _194764)
   Exit: (228) [system] peek_char((0x563acd73bee0), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_199484, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_200416, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x563acd73bee0), n)
   Exit: (228) [system] get_char((0x563acd73bee0), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _207766)
   Call: (229) [system] peek_char((0x563acd73bee0), _208700)
   Exit: (229) [system] peek_char((0x563acd73bee0), c)
^  Call: (229) [user] is_delimiter(c)
   Call: (230) [system] char_type(c, space)
   Fail: (230) [system] char_type(c, space)
   Call: (230) [system] arg(_213420, v('(', ')', end_of_file), c)
   Fail: (230) [system] arg(_214352, v('(', ')', end_of_file), c)
^  Fail: (229) [user] is_delimiter(c)
   Call: (229) [system] ')'==c
   Fail: (229) [system] ')'==c
   Call: (229) [system] get_char((0x563acd73bee0), c)
   Exit: (229) [system] get_char((0x563acd73bee0), c)
   Call: (229) [system] c=(\)
   Fail: (229) [system] c=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _221702)
   Call: (230) [system] peek_char((0x563acd73bee0), _222636)
   Exit: (230) [system] peek_char((0x563acd73bee0), t)
^  Call: (230) [user] is_delimiter(t)
   Call: (231) [system] char_type(t, space)
   Fail: (231) [system] char_type(t, space)
   Call: (231) [system] arg(_227356, v('(', ')', end_of_file), t)
   Fail: (231) [system] arg(_228288, v('(', ')', end_of_file), t)
^  Fail: (230) [user] is_delimiter(t)
   Call: (230) [system] ')'==t
   Fail: (230) [system] ')'==t
   Call: (230) [system] get_char((0x563acd73bee0), t)
   Exit: (230) [system] get_char((0x563acd73bee0), t)
   Call: (230) [system] t=(\)
   Fail: (230) [system] t=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _235638)
   Call: (231) [system] peek_char((0x563acd73bee0), _236572)
   Exit: (231) [system] peek_char((0x563acd73bee0), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Fail: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_241292, v('(', ')', end_of_file), i)
   Fail: (232) [system] arg(_242224, v('(', ')', end_of_file), i)
^  Fail: (231) [user] is_delimiter(i)
   Call: (231) [system] ')'==i
   Fail: (231) [system] ')'==i
   Call: (231) [system] get_char((0x563acd73bee0), i)
   Exit: (231) [system] get_char((0x563acd73bee0), i)
   Call: (231) [system] i=(\)
   Fail: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _249574)
   Call: (232) [system] peek_char((0x563acd73bee0), _250508)
   Exit: (232) [system] peek_char((0x563acd73bee0), o)
^  Call: (232) [user] is_delimiter(o)
   Call: (233) [system] char_type(o, space)
   Fail: (233) [system] char_type(o, space)
   Call: (233) [system] arg(_255228, v('(', ')', end_of_file), o)
   Fail: (233) [system] arg(_256160, v('(', ')', end_of_file), o)
^  Fail: (232) [user] is_delimiter(o)
   Call: (232) [system] ')'==o
   Fail: (232) [system] ')'==o
   Call: (232) [system] get_char((0x563acd73bee0), o)
   Exit: (232) [system] get_char((0x563acd73bee0), o)
   Call: (232) [system] o=(\)
   Fail: (232) [system] o=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _263510)
   Call: (233) [system] peek_char((0x563acd73bee0), _264444)
   Exit: (233) [system] peek_char((0x563acd73bee0), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_269164, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_270096, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x563acd73bee0), n)
   Exit: (233) [system] get_char((0x563acd73bee0), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), _277446)
   Call: (234) [system] peek_char((0x563acd73bee0), _278380)
   Exit: (234) [system] peek_char((0x563acd73bee0), 'I')
^  Call: (234) [user] is_delimiter('I')
   Call: (235) [system] char_type('I', space)
   Fail: (235) [system] char_type('I', space)
   Call: (235) [system] arg(_283100, v('(', ')', end_of_file), 'I')
   Fail: (235) [system] arg(_284032, v('(', ')', end_of_file), 'I')
^  Fail: (234) [user] is_delimiter('I')
   Call: (234) [system] ')'=='I'
   Fail: (234) [system] ')'=='I'
   Call: (234) [system] get_char((0x563acd73bee0), 'I')
   Exit: (234) [system] get_char((0x563acd73bee0), 'I')
   Call: (234) [system] 'I'=(\)
   Fail: (234) [system] 'I'=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), _291382)
   Call: (235) [system] peek_char((0x563acd73bee0), _292316)
   Exit: (235) [system] peek_char((0x563acd73bee0), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Fail: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_297036, v('(', ')', end_of_file), n)
   Fail: (236) [system] arg(_297968, v('(', ')', end_of_file), n)
^  Fail: (235) [user] is_delimiter(n)
   Call: (235) [system] ')'==n
   Fail: (235) [system] ')'==n
   Call: (235) [system] get_char((0x563acd73bee0), n)
   Exit: (235) [system] get_char((0x563acd73bee0), n)
   Call: (235) [system] n=(\)
   Fail: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), _305318)
   Call: (236) [system] peek_char((0x563acd73bee0), _306252)
   Exit: (236) [system] peek_char((0x563acd73bee0), t)
^  Call: (236) [user] is_delimiter(t)
   Call: (237) [system] char_type(t, space)
   Fail: (237) [system] char_type(t, space)
   Call: (237) [system] arg(_310972, v('(', ')', end_of_file), t)
   Fail: (237) [system] arg(_311904, v('(', ')', end_of_file), t)
^  Fail: (236) [user] is_delimiter(t)
   Call: (236) [system] ')'==t
   Fail: (236) [system] ')'==t
   Call: (236) [system] get_char((0x563acd73bee0), t)
   Exit: (236) [system] get_char((0x563acd73bee0), t)
   Call: (236) [system] t=(\)
   Fail: (236) [system] t=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), _319254)
   Call: (237) [system] peek_char((0x563acd73bee0), _320188)
   Exit: (237) [system] peek_char((0x563acd73bee0), r)
^  Call: (237) [user] is_delimiter(r)
   Call: (238) [system] char_type(r, space)
   Fail: (238) [system] char_type(r, space)
   Call: (238) [system] arg(_324908, v('(', ')', end_of_file), r)
   Fail: (238) [system] arg(_325840, v('(', ')', end_of_file), r)
^  Fail: (237) [user] is_delimiter(r)
   Call: (237) [system] ')'==r
   Fail: (237) [system] ')'==r
   Call: (237) [system] get_char((0x563acd73bee0), r)
   Exit: (237) [system] get_char((0x563acd73bee0), r)
   Call: (237) [system] r=(\)
   Fail: (237) [system] r=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), _333190)
   Call: (238) [system] peek_char((0x563acd73bee0), _334124)
   Exit: (238) [system] peek_char((0x563acd73bee0), o)
^  Call: (238) [user] is_delimiter(o)
   Call: (239) [system] char_type(o, space)
   Fail: (239) [system] char_type(o, space)
   Call: (239) [system] arg(_338844, v('(', ')', end_of_file), o)
   Fail: (239) [system] arg(_339776, v('(', ')', end_of_file), o)
^  Fail: (238) [user] is_delimiter(o)
   Call: (238) [system] ')'==o
   Fail: (238) [system] ')'==o
   Call: (238) [system] get_char((0x563acd73bee0), o)
   Exit: (238) [system] get_char((0x563acd73bee0), o)
   Call: (238) [system] o=(\)
   Fail: (238) [system] o=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x563acd73bee0), _347126)
   Call: (239) [system] peek_char((0x563acd73bee0), _348060)
   Exit: (239) [system] peek_char((0x563acd73bee0), d)
^  Call: (239) [user] is_delimiter(d)
   Call: (240) [system] char_type(d, space)
   Fail: (240) [system] char_type(d, space)
   Call: (240) [system] arg(_352780, v('(', ')', end_of_file), d)
   Fail: (240) [system] arg(_353712, v('(', ')', end_of_file), d)
^  Fail: (239) [user] is_delimiter(d)
   Call: (239) [system] ')'==d
   Fail: (239) [system] ')'==d
   Call: (239) [system] get_char((0x563acd73bee0), d)
   Exit: (239) [system] get_char((0x563acd73bee0), d)
   Call: (239) [system] d=(\)
   Fail: (239) [system] d=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x563acd73bee0), _361062)
   Call: (240) [system] peek_char((0x563acd73bee0), _361996)
   Exit: (240) [system] peek_char((0x563acd73bee0), u)
^  Call: (240) [user] is_delimiter(u)
   Call: (241) [system] char_type(u, space)
   Fail: (241) [system] char_type(u, space)
   Call: (241) [system] arg(_366716, v('(', ')', end_of_file), u)
   Fail: (241) [system] arg(_367648, v('(', ')', end_of_file), u)
^  Fail: (240) [user] is_delimiter(u)
   Call: (240) [system] ')'==u
   Fail: (240) [system] ')'==u
   Call: (240) [system] get_char((0x563acd73bee0), u)
   Exit: (240) [system] get_char((0x563acd73bee0), u)
   Call: (240) [system] u=(\)
   Fail: (240) [system] u=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x563acd73bee0), _374998)
   Call: (241) [system] peek_char((0x563acd73bee0), _375932)
   Exit: (241) [system] peek_char((0x563acd73bee0), c)
^  Call: (241) [user] is_delimiter(c)
   Call: (242) [system] char_type(c, space)
   Fail: (242) [system] char_type(c, space)
   Call: (242) [system] arg(_380652, v('(', ')', end_of_file), c)
   Fail: (242) [system] arg(_381584, v('(', ')', end_of_file), c)
^  Fail: (241) [user] is_delimiter(c)
   Call: (241) [system] ')'==c
   Fail: (241) [system] ')'==c
   Call: (241) [system] get_char((0x563acd73bee0), c)
   Exit: (241) [system] get_char((0x563acd73bee0), c)
   Call: (241) [system] c=(\)
   Fail: (241) [system] c=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x563acd73bee0), _388934)
   Call: (242) [system] peek_char((0x563acd73bee0), _389868)
   Exit: (242) [system] peek_char((0x563acd73bee0), t)
^  Call: (242) [user] is_delimiter(t)
   Call: (243) [system] char_type(t, space)
   Fail: (243) [system] char_type(t, space)
   Call: (243) [system] arg(_394588, v('(', ')', end_of_file), t)
   Fail: (243) [system] arg(_395520, v('(', ')', end_of_file), t)
^  Fail: (242) [user] is_delimiter(t)
   Call: (242) [system] ')'==t
   Fail: (242) [system] ')'==t
   Call: (242) [system] get_char((0x563acd73bee0), t)
   Exit: (242) [system] get_char((0x563acd73bee0), t)
   Call: (242) [system] t=(\)
   Fail: (242) [system] t=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x563acd73bee0), _402870)
   Call: (243) [system] peek_char((0x563acd73bee0), _403804)
   Exit: (243) [system] peek_char((0x563acd73bee0), i)
^  Call: (243) [user] is_delimiter(i)
   Call: (244) [system] char_type(i, space)
   Fail: (244) [system] char_type(i, space)
   Call: (244) [system] arg(_408524, v('(', ')', end_of_file), i)
   Fail: (244) [system] arg(_409456, v('(', ')', end_of_file), i)
^  Fail: (243) [user] is_delimiter(i)
   Call: (243) [system] ')'==i
   Fail: (243) [system] ')'==i
   Call: (243) [system] get_char((0x563acd73bee0), i)
   Exit: (243) [system] get_char((0x563acd73bee0), i)
   Call: (243) [system] i=(\)
   Fail: (243) [system] i=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x563acd73bee0), _416806)
   Call: (244) [system] peek_char((0x563acd73bee0), _417740)
   Exit: (244) [system] peek_char((0x563acd73bee0), o)
^  Call: (244) [user] is_delimiter(o)
   Call: (245) [system] char_type(o, space)
   Fail: (245) [system] char_type(o, space)
   Call: (245) [system] arg(_422460, v('(', ')', end_of_file), o)
   Fail: (245) [system] arg(_423392, v('(', ')', end_of_file), o)
^  Fail: (244) [user] is_delimiter(o)
   Call: (244) [system] ')'==o
   Fail: (244) [system] ')'==o
   Call: (244) [system] get_char((0x563acd73bee0), o)
   Exit: (244) [system] get_char((0x563acd73bee0), o)
   Call: (244) [system] o=(\)
   Fail: (244) [system] o=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x563acd73bee0), _430742)
   Call: (245) [system] peek_char((0x563acd73bee0), _431676)
   Exit: (245) [system] peek_char((0x563acd73bee0), n)
^  Call: (245) [user] is_delimiter(n)
   Call: (246) [system] char_type(n, space)
   Fail: (246) [system] char_type(n, space)
   Call: (246) [system] arg(_436396, v('(', ')', end_of_file), n)
   Fail: (246) [system] arg(_437328, v('(', ')', end_of_file), n)
^  Fail: (245) [user] is_delimiter(n)
   Call: (245) [system] ')'==n
   Fail: (245) [system] ')'==n
   Call: (245) [system] get_char((0x563acd73bee0), n)
   Exit: (245) [system] get_char((0x563acd73bee0), n)
   Call: (245) [system] n=(\)
   Fail: (245) [system] n=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x563acd73bee0), _444678)
   Call: (246) [system] peek_char((0x563acd73bee0), _445612)
   Exit: (246) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (246) [user] is_delimiter(' ')
   Call: (247) [system] char_type(' ', space)
   Exit: (247) [system] char_type(' ', space)
^  Exit: (246) [user] is_delimiter(' ')
   Call: (246) [system] _444678=[]
   Exit: (246) [system] []=[]
^  Exit: (245) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (245) [system] _430742=[n]
   Exit: (245) [system] [n]=[n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (244) [system] _416806=[o, n]
   Exit: (244) [system] [o, n]=[o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (243) [system] _402870=[i, o, n]
   Exit: (243) [system] [i, o, n]=[i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (242) [system] _388934=[t, i, o, n]
   Exit: (242) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (241) [system] _374998=[c, t, i, o, n]
   Exit: (241) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n])
   Call: (240) [system] _361062=[u, c, t, i, o, n]
   Exit: (240) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, i, o, n])
   Call: (239) [system] _347126=[d, u, c, t, i, o, n]
   Exit: (239) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, u, c, t, i, o, n])
   Call: (238) [system] _333190=[o, d, u, c, t, i, o, n]
   Exit: (238) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, d, u, c, t, i, o, n])
   Call: (237) [system] _319254=[r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _305318=[t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _291382=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _277446=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _263510=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _249574=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _235638=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _221702=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _207766=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _193830=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _179894=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _165958=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _152022=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _138086=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (223) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _102576)
^  Call: (224) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _516364)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_517316, _517318), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _516364), _517298, fail)), '$restore_trace'(_517316, _517318))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_517316, _517318))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _516364), _517298, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_516364)
   Fail: (225) [system] atomic(_516364)
   Call: (225) [system] atom_chars(_516364, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (225) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (224) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (224) [system] integer('DisjunctionIntroduction')
   Fail: (224) [system] integer('DisjunctionIntroduction')
   Call: (224) [system] _102576='DisjunctionIntroduction'
   Exit: (224) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (223) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (222) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'DisjunctionIntroduction')
^  Exit: (221) [user] cont_sexpr(')', (0x563acd73bee0), 'DisjunctionIntroduction')
^  Call: (221) [user] read_list(')', (0x563acd73bee0), _531314)
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _533172)
   Exit: (223) [system] peek_char((0x563acd73bee0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x563acd73bee0), _542766)
   Exit: (223) [system] get_char((0x563acd73bee0), ' ')
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _545470)
   Exit: (224) [system] peek_char((0x563acd73bee0), c)
   Call: (224) [system] c=(;)
   Fail: (224) [system] c=(;)
   Call: (224) [system] c=(/)
   Fail: (224) [system] c=(/)
^  Call: (224) [user] is_like_space(c)
   Call: (225) [system] char_type(c, 'white')
   Fail: (225) [system] char_type(c, 'white')
   Call: (225) [system] char_type(c, end_of_line)
   Fail: (225) [system] char_type(c, end_of_line)
   Call: (225) [system] char_type(c, space)
   Fail: (225) [system] char_type(c, space)
   Call: (225) [system] char_type(c, cntrl)
   Fail: (225) [system] char_type(c, cntrl)
^  Fail: (224) [user] is_like_space(c)
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _562404)
   Exit: (222) [system] peek_char((0x563acd73bee0), c)
   Call: (222) [system] c=')'
   Fail: (222) [system] c=')'
   Call: (222) [system] c=end_of_file
   Fail: (222) [system] c=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x563acd73bee0), _567974)
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _569832)
   Exit: (224) [system] peek_char((0x563acd73bee0), c)
   Call: (224) [system] c=(;)
   Fail: (224) [system] c=(;)
   Call: (224) [system] c=(/)
   Fail: (224) [system] c=(/)
^  Call: (224) [user] is_like_space(c)
   Call: (225) [system] char_type(c, 'white')
   Fail: (225) [system] char_type(c, 'white')
   Call: (225) [system] char_type(c, end_of_line)
   Fail: (225) [system] char_type(c, end_of_line)
   Call: (225) [system] char_type(c, space)
   Fail: (225) [system] char_type(c, space)
   Call: (225) [system] char_type(c, cntrl)
   Fail: (225) [system] char_type(c, cntrl)
^  Fail: (224) [user] is_like_space(c)
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] get_char((0x563acd73bee0), _585842)
   Exit: (223) [system] get_char((0x563acd73bee0), c)
   Call: (223) [system] c='('
   Fail: (223) [system] c='('
   Call: (223) [system] c='['
   Fail: (223) [system] c='['
   Call: (223) [system] c='{'
   Fail: (223) [system] c='{'
   Call: (223) [system] c='"'
   Fail: (223) [system] c='"'
   Call: (223) [system] c=!
   Fail: (223) [system] c=!
   Call: (223) [system] c='\''
   Fail: (223) [system] c='\''
   Call: (223) [system] c='`'
   Fail: (223) [system] c='`'
   Call: (223) [system] c=end_of_file
   Fail: (223) [system] c=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x563acd73bee0), c, _567974)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _603484)
   Call: (225) [system] peek_char((0x563acd73bee0), _604418)
   Exit: (225) [system] peek_char((0x563acd73bee0), d)
^  Call: (225) [user] is_delimiter(d)
   Call: (226) [system] char_type(d, space)
   Fail: (226) [system] char_type(d, space)
   Call: (226) [system] arg(_609138, v('(', ')', end_of_file), d)
   Fail: (226) [system] arg(_610070, v('(', ')', end_of_file), d)
^  Fail: (225) [user] is_delimiter(d)
   Call: (225) [system] ')'==d
   Fail: (225) [system] ')'==d
   Call: (225) [system] get_char((0x563acd73bee0), d)
   Exit: (225) [system] get_char((0x563acd73bee0), d)
   Call: (225) [system] d=(\)
   Fail: (225) [system] d=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _617420)
   Call: (226) [system] peek_char((0x563acd73bee0), _618354)
   Exit: (226) [system] peek_char((0x563acd73bee0), e)
^  Call: (226) [user] is_delimiter(e)
   Call: (227) [system] char_type(e, space)
   Fail: (227) [system] char_type(e, space)
   Call: (227) [system] arg(_623074, v('(', ')', end_of_file), e)
   Fail: (227) [system] arg(_624006, v('(', ')', end_of_file), e)
^  Fail: (226) [user] is_delimiter(e)
   Call: (226) [system] ')'==e
   Fail: (226) [system] ')'==e
   Call: (226) [system] get_char((0x563acd73bee0), e)
   Exit: (226) [system] get_char((0x563acd73bee0), e)
   Call: (226) [system] e=(\)
   Fail: (226) [system] e=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _631356)
   Call: (227) [system] peek_char((0x563acd73bee0), _632290)
   Exit: (227) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _631356=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (226) [system] _617420=[e]
   Exit: (226) [system] [e]=[e]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [e])
   Call: (225) [system] _603484=[d, e]
   Exit: (225) [system] [d, e]=[d, e]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, e])
^  Call: (224) [user] classify_and_convert_charseq([c, d, e], _567974)
^  Call: (225) [user] classify_and_convert_charseq_([c, d, e], _647162)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_648114, _648116), once(user:catch(read_from_chars([c, d, e], _647162), _648096, fail)), '$restore_trace'(_648114, _648116))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_648114, _648116))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _648096, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(cde)
   Exit: (226) [system] atomic(cde)
^  Exit: (225) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (225) [system] integer(cde)
   Fail: (225) [system] integer(cde)
   Call: (225) [system] _567974=cde
   Exit: (225) [system] cde=cde
^  Exit: (224) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (223) [user] read_symbolic(')', (0x563acd73bee0), c, cde)
^  Exit: (222) [user] cont_sexpr(')', (0x563acd73bee0), cde)
^  Call: (222) [user] read_list(')', (0x563acd73bee0), _660242)
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _662100)
   Exit: (224) [system] peek_char((0x563acd73bee0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x563acd73bee0), _671694)
   Exit: (224) [system] get_char((0x563acd73bee0), ' ')
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _674398)
   Exit: (225) [system] peek_char((0x563acd73bee0), a)
   Call: (225) [system] a=(;)
   Fail: (225) [system] a=(;)
   Call: (225) [system] a=(/)
   Fail: (225) [system] a=(/)
^  Call: (225) [user] is_like_space(a)
   Call: (226) [system] char_type(a, 'white')
   Fail: (226) [system] char_type(a, 'white')
   Call: (226) [system] char_type(a, end_of_line)
   Fail: (226) [system] char_type(a, end_of_line)
   Call: (226) [system] char_type(a, space)
   Fail: (226) [system] char_type(a, space)
   Call: (226) [system] char_type(a, cntrl)
   Fail: (226) [system] char_type(a, cntrl)
^  Fail: (225) [user] is_like_space(a)
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _691332)
   Exit: (223) [system] peek_char((0x563acd73bee0), a)
   Call: (223) [system] a=')'
   Fail: (223) [system] a=')'
   Call: (223) [system] a=end_of_file
   Fail: (223) [system] a=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x563acd73bee0), _696902)
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _698760)
   Exit: (225) [system] peek_char((0x563acd73bee0), a)
   Call: (225) [system] a=(;)
   Fail: (225) [system] a=(;)
   Call: (225) [system] a=(/)
   Fail: (225) [system] a=(/)
^  Call: (225) [user] is_like_space(a)
   Call: (226) [system] char_type(a, 'white')
   Fail: (226) [system] char_type(a, 'white')
   Call: (226) [system] char_type(a, end_of_line)
   Fail: (226) [system] char_type(a, end_of_line)
   Call: (226) [system] char_type(a, space)
   Fail: (226) [system] char_type(a, space)
   Call: (226) [system] char_type(a, cntrl)
   Fail: (226) [system] char_type(a, cntrl)
^  Fail: (225) [user] is_like_space(a)
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] get_char((0x563acd73bee0), _714770)
   Exit: (224) [system] get_char((0x563acd73bee0), a)
   Call: (224) [system] a='('
   Fail: (224) [system] a='('
   Call: (224) [system] a='['
   Fail: (224) [system] a='['
   Call: (224) [system] a='{'
   Fail: (224) [system] a='{'
   Call: (224) [system] a='"'
   Fail: (224) [system] a='"'
   Call: (224) [system] a=!
   Fail: (224) [system] a=!
   Call: (224) [system] a='\''
   Fail: (224) [system] a='\''
   Call: (224) [system] a='`'
   Fail: (224) [system] a='`'
   Call: (224) [system] a=end_of_file
   Fail: (224) [system] a=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x563acd73bee0), a, _696902)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _732412)
   Call: (226) [system] peek_char((0x563acd73bee0), _733346)
   Exit: (226) [system] peek_char((0x563acd73bee0), ')')
^  Call: (226) [user] is_delimiter(')')
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] arg(_738066, v('(', ')', end_of_file), ')')
   Exit: (227) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (226) [user] is_delimiter(')')
   Call: (226) [system] _732412=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (225) [user] classify_and_convert_charseq([a], _696902)
^  Call: (226) [user] classify_and_convert_charseq_([a], _744502)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_745454, _745456), once(user:catch(read_from_chars([a], _744502), _745436, fail)), '$restore_trace'(_745454, _745456))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_745454, _745456))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _745436, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(a)
   Exit: (227) [system] atomic(a)
^  Exit: (226) [user] classify_and_convert_charseq_([a], a)
   Call: (226) [system] integer(a)
   Fail: (226) [system] integer(a)
   Call: (226) [system] _696902=a
   Exit: (226) [system] a=a
^  Exit: (225) [user] classify_and_convert_charseq([a], a)
^  Exit: (224) [user] read_symbolic(')', (0x563acd73bee0), a, a)
^  Exit: (223) [user] cont_sexpr(')', (0x563acd73bee0), a)
^  Call: (223) [user] read_list(')', (0x563acd73bee0), _757582)
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _759440)
   Exit: (225) [system] peek_char((0x563acd73bee0), ')')
   Call: (225) [system] ')'=(;)
   Fail: (225) [system] ')'=(;)
   Call: (225) [system] ')'=(/)
   Fail: (225) [system] ')'=(/)
^  Call: (225) [user] is_like_space(')')
   Call: (226) [system] char_type(')', 'white')
   Fail: (226) [system] char_type(')', 'white')
   Call: (226) [system] char_type(')', end_of_line)
   Fail: (226) [system] char_type(')', end_of_line)
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] char_type(')', cntrl)
   Fail: (226) [system] char_type(')', cntrl)
^  Fail: (225) [user] is_like_space(')')
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _775450)
   Exit: (224) [system] peek_char((0x563acd73bee0), ')')
   Call: (224) [system] ')'=')'
   Exit: (224) [system] ')'=')'
   Call: (224) [system] get_char((0x563acd73bee0), _779240)
   Exit: (224) [system] get_char((0x563acd73bee0), ')')
   Call: (224) [system] _757582=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_list(')', (0x563acd73bee0), [])
   Call: (223) [system] _660242=[a]
   Exit: (223) [system] [a]=[a]
^  Exit: (222) [user] read_list(')', (0x563acd73bee0), [a])
   Call: (222) [system] _531314=[cde, a]
   Exit: (222) [system] [cde, a]=[cde, a]
^  Exit: (221) [user] read_list(')', (0x563acd73bee0), [cde, a])
   Call: (221) [system] _57558=['DisjunctionIntroduction', cde, a]
   Exit: (221) [system] ['DisjunctionIntroduction', cde, a]=['DisjunctionIntroduction', cde, a]
^  Exit: (220) [user] read_list(')', (0x563acd73bee0), ['DisjunctionIntroduction', cde, a])
^  Exit: (219) [user] cont_sexpr(')', (0x563acd73bee0), ['DisjunctionIntroduction', cde, a])
^  Call: (219) [user] read_list(')', (0x563acd73bee0), _793122)
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _794980)
   Exit: (221) [system] peek_char((0x563acd73bee0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x563acd73bee0), _804574)
   Exit: (221) [system] get_char((0x563acd73bee0), ' ')
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _807278)
   Exit: (222) [system] peek_char((0x563acd73bee0), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
   Call: (222) [system] '('=(/)
   Fail: (222) [system] '('=(/)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _824212)
   Exit: (220) [system] peek_char((0x563acd73bee0), '(')
   Call: (220) [system] '('=')'
   Fail: (220) [system] '('=')'
   Call: (220) [system] '('=end_of_file
   Fail: (220) [system] '('=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x563acd73bee0), _829782)
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _831640)
   Exit: (222) [system] peek_char((0x563acd73bee0), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
   Call: (222) [system] '('=(/)
   Fail: (222) [system] '('=(/)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] get_char((0x563acd73bee0), _847650)
   Exit: (221) [system] get_char((0x563acd73bee0), '(')
   Call: (221) [system] '('='('
   Exit: (221) [system] '('='('
^  Call: (221) [user] read_list(')', (0x563acd73bee0), _829782)
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _853220)
   Exit: (223) [system] peek_char((0x563acd73bee0), 'O')
   Call: (223) [system] 'O'=(;)
   Fail: (223) [system] 'O'=(;)
   Call: (223) [system] 'O'=(/)
   Fail: (223) [system] 'O'=(/)
^  Call: (223) [user] is_like_space('O')
   Call: (224) [system] char_type('O', 'white')
   Fail: (224) [system] char_type('O', 'white')
   Call: (224) [system] char_type('O', end_of_line)
   Fail: (224) [system] char_type('O', end_of_line)
   Call: (224) [system] char_type('O', space)
   Fail: (224) [system] char_type('O', space)
   Call: (224) [system] char_type('O', cntrl)
   Fail: (224) [system] char_type('O', cntrl)
^  Fail: (223) [user] is_like_space('O')
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _869230)
   Exit: (222) [system] peek_char((0x563acd73bee0), 'O')
   Call: (222) [system] 'O'=')'
   Fail: (222) [system] 'O'=')'
   Call: (222) [system] 'O'=end_of_file
   Fail: (222) [system] 'O'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x563acd73bee0), _874800)
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _876658)
   Exit: (224) [system] peek_char((0x563acd73bee0), 'O')
   Call: (224) [system] 'O'=(;)
   Fail: (224) [system] 'O'=(;)
   Call: (224) [system] 'O'=(/)
   Fail: (224) [system] 'O'=(/)
^  Call: (224) [user] is_like_space('O')
   Call: (225) [system] char_type('O', 'white')
   Fail: (225) [system] char_type('O', 'white')
   Call: (225) [system] char_type('O', end_of_line)
   Fail: (225) [system] char_type('O', end_of_line)
   Call: (225) [system] char_type('O', space)
   Fail: (225) [system] char_type('O', space)
   Call: (225) [system] char_type('O', cntrl)
   Fail: (225) [system] char_type('O', cntrl)
^  Fail: (224) [user] is_like_space('O')
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] get_char((0x563acd73bee0), _892668)
   Exit: (223) [system] get_char((0x563acd73bee0), 'O')
   Call: (223) [system] 'O'='('
   Fail: (223) [system] 'O'='('
   Call: (223) [system] 'O'='['
   Fail: (223) [system] 'O'='['
   Call: (223) [system] 'O'='{'
   Fail: (223) [system] 'O'='{'
   Call: (223) [system] 'O'='"'
   Fail: (223) [system] 'O'='"'
   Call: (223) [system] 'O'=!
   Fail: (223) [system] 'O'=!
   Call: (223) [system] 'O'='\''
   Fail: (223) [system] 'O'='\''
   Call: (223) [system] 'O'='`'
   Fail: (223) [system] 'O'='`'
   Call: (223) [system] 'O'=end_of_file
   Fail: (223) [system] 'O'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x563acd73bee0), 'O', _874800)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _910310)
   Call: (225) [system] peek_char((0x563acd73bee0), _911244)
   Exit: (225) [system] peek_char((0x563acd73bee0), r)
^  Call: (225) [user] is_delimiter(r)
   Call: (226) [system] char_type(r, space)
   Fail: (226) [system] char_type(r, space)
   Call: (226) [system] arg(_915964, v('(', ')', end_of_file), r)
   Fail: (226) [system] arg(_916896, v('(', ')', end_of_file), r)
^  Fail: (225) [user] is_delimiter(r)
   Call: (225) [system] ')'==r
   Fail: (225) [system] ')'==r
   Call: (225) [system] get_char((0x563acd73bee0), r)
   Exit: (225) [system] get_char((0x563acd73bee0), r)
   Call: (225) [system] r=(\)
   Fail: (225) [system] r=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _924246)
   Call: (226) [system] peek_char((0x563acd73bee0), _925180)
   Exit: (226) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (226) [user] is_delimiter('L')
   Call: (227) [system] char_type('L', space)
   Fail: (227) [system] char_type('L', space)
   Call: (227) [system] arg(_929900, v('(', ')', end_of_file), 'L')
   Fail: (227) [system] arg(_930832, v('(', ')', end_of_file), 'L')
^  Fail: (226) [user] is_delimiter('L')
   Call: (226) [system] ')'=='L'
   Fail: (226) [system] ')'=='L'
   Call: (226) [system] get_char((0x563acd73bee0), 'L')
   Exit: (226) [system] get_char((0x563acd73bee0), 'L')
   Call: (226) [system] 'L'=(\)
   Fail: (226) [system] 'L'=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _938182)
   Call: (227) [system] peek_char((0x563acd73bee0), _939116)
   Exit: (227) [system] peek_char((0x563acd73bee0), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_943836, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_944768, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x563acd73bee0), i)
   Exit: (227) [system] get_char((0x563acd73bee0), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _952118)
   Call: (228) [system] peek_char((0x563acd73bee0), _953052)
   Exit: (228) [system] peek_char((0x563acd73bee0), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_957772, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_958704, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x563acd73bee0), n)
   Exit: (228) [system] get_char((0x563acd73bee0), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _966054)
   Call: (229) [system] peek_char((0x563acd73bee0), _966988)
   Exit: (229) [system] peek_char((0x563acd73bee0), k)
^  Call: (229) [user] is_delimiter(k)
   Call: (230) [system] char_type(k, space)
   Fail: (230) [system] char_type(k, space)
   Call: (230) [system] arg(_971708, v('(', ')', end_of_file), k)
   Fail: (230) [system] arg(_972640, v('(', ')', end_of_file), k)
^  Fail: (229) [user] is_delimiter(k)
   Call: (229) [system] ')'==k
   Fail: (229) [system] ')'==k
   Call: (229) [system] get_char((0x563acd73bee0), k)
   Exit: (229) [system] get_char((0x563acd73bee0), k)
   Call: (229) [system] k=(\)
   Fail: (229) [system] k=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _979990)
   Call: (230) [system] peek_char((0x563acd73bee0), _980924)
   Exit: (230) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _979990=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (229) [system] _966054=[k]
   Exit: (229) [system] [k]=[k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (228) [system] _952118=[n, k]
   Exit: (228) [system] [n, k]=[n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (227) [system] _938182=[i, n, k]
   Exit: (227) [system] [i, n, k]=[i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (226) [system] _924246=['L', i, n, k]
   Exit: (226) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (225) [system] _910310=[r, 'L', i, n, k]
   Exit: (225) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (224) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _874800)
^  Call: (225) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1004178)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1005130, _1005132), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1004178), _1005112, fail)), '$restore_trace'(_1005130, _1005132))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1005130, _1005132))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1004178), _1005112, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_1004178)
   Fail: (226) [system] atomic(_1004178)
   Call: (226) [system] atom_chars(_1004178, ['O', r, 'L', i, n, k])
   Exit: (226) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (225) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (225) [system] integer('OrLink')
   Fail: (225) [system] integer('OrLink')
   Call: (225) [system] _874800='OrLink'
   Exit: (225) [system] 'OrLink'='OrLink'
^  Exit: (224) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (223) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (222) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (222) [user] read_list(')', (0x563acd73bee0), _1019128)
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _1020986)
   Exit: (224) [system] peek_char((0x563acd73bee0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x563acd73bee0), _1030580)
   Exit: (224) [system] get_char((0x563acd73bee0), ' ')
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _1033284)
   Exit: (225) [system] peek_char((0x563acd73bee0), '(')
   Call: (225) [system] '('=(;)
   Fail: (225) [system] '('=(;)
   Call: (225) [system] '('=(/)
   Fail: (225) [system] '('=(/)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Fail: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Fail: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Fail: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
   Fail: (226) [system] char_type('(', cntrl)
^  Fail: (225) [user] is_like_space('(')
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _1050218)
   Exit: (223) [system] peek_char((0x563acd73bee0), '(')
   Call: (223) [system] '('=')'
   Fail: (223) [system] '('=')'
   Call: (223) [system] '('=end_of_file
   Fail: (223) [system] '('=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x563acd73bee0), _1055788)
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _1057646)
   Exit: (225) [system] peek_char((0x563acd73bee0), '(')
   Call: (225) [system] '('=(;)
   Fail: (225) [system] '('=(;)
   Call: (225) [system] '('=(/)
   Fail: (225) [system] '('=(/)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Fail: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Fail: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Fail: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
   Fail: (226) [system] char_type('(', cntrl)
^  Fail: (225) [user] is_like_space('(')
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] get_char((0x563acd73bee0), _1073656)
   Exit: (224) [system] get_char((0x563acd73bee0), '(')
   Call: (224) [system] '('='('
   Exit: (224) [system] '('='('
^  Call: (224) [user] read_list(')', (0x563acd73bee0), _1055788)
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _1079226)
   Exit: (226) [system] peek_char((0x563acd73bee0), 'I')
   Call: (226) [system] 'I'=(;)
   Fail: (226) [system] 'I'=(;)
   Call: (226) [system] 'I'=(/)
   Fail: (226) [system] 'I'=(/)
^  Call: (226) [user] is_like_space('I')
   Call: (227) [system] char_type('I', 'white')
   Fail: (227) [system] char_type('I', 'white')
   Call: (227) [system] char_type('I', end_of_line)
   Fail: (227) [system] char_type('I', end_of_line)
   Call: (227) [system] char_type('I', space)
   Fail: (227) [system] char_type('I', space)
   Call: (227) [system] char_type('I', cntrl)
   Fail: (227) [system] char_type('I', cntrl)
^  Fail: (226) [user] is_like_space('I')
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _1095236)
   Exit: (225) [system] peek_char((0x563acd73bee0), 'I')
   Call: (225) [system] 'I'=')'
   Fail: (225) [system] 'I'=')'
   Call: (225) [system] 'I'=end_of_file
   Fail: (225) [system] 'I'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x563acd73bee0), _1100806)
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _1102664)
   Exit: (227) [system] peek_char((0x563acd73bee0), 'I')
   Call: (227) [system] 'I'=(;)
   Fail: (227) [system] 'I'=(;)
   Call: (227) [system] 'I'=(/)
   Fail: (227) [system] 'I'=(/)
^  Call: (227) [user] is_like_space('I')
   Call: (228) [system] char_type('I', 'white')
   Fail: (228) [system] char_type('I', 'white')
   Call: (228) [system] char_type('I', end_of_line)
   Fail: (228) [system] char_type('I', end_of_line)
   Call: (228) [system] char_type('I', space)
   Fail: (228) [system] char_type('I', space)
   Call: (228) [system] char_type('I', cntrl)
   Fail: (228) [system] char_type('I', cntrl)
^  Fail: (227) [user] is_like_space('I')
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] get_char((0x563acd73bee0), _1118674)
   Exit: (226) [system] get_char((0x563acd73bee0), 'I')
   Call: (226) [system] 'I'='('
   Fail: (226) [system] 'I'='('
   Call: (226) [system] 'I'='['
   Fail: (226) [system] 'I'='['
   Call: (226) [system] 'I'='{'
   Fail: (226) [system] 'I'='{'
   Call: (226) [system] 'I'='"'
   Fail: (226) [system] 'I'='"'
   Call: (226) [system] 'I'=!
   Fail: (226) [system] 'I'=!
   Call: (226) [system] 'I'='\''
   Fail: (226) [system] 'I'='\''
   Call: (226) [system] 'I'='`'
   Fail: (226) [system] 'I'='`'
   Call: (226) [system] 'I'=end_of_file
   Fail: (226) [system] 'I'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x563acd73bee0), 'I', _1100806)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _1136316)
   Call: (228) [system] peek_char((0x563acd73bee0), _1137250)
   Exit: (228) [system] peek_char((0x563acd73bee0), m)
^  Call: (228) [user] is_delimiter(m)
   Call: (229) [system] char_type(m, space)
   Fail: (229) [system] char_type(m, space)
   Call: (229) [system] arg(_1141970, v('(', ')', end_of_file), m)
   Fail: (229) [system] arg(_1142902, v('(', ')', end_of_file), m)
^  Fail: (228) [user] is_delimiter(m)
   Call: (228) [system] ')'==m
   Fail: (228) [system] ')'==m
   Call: (228) [system] get_char((0x563acd73bee0), m)
   Exit: (228) [system] get_char((0x563acd73bee0), m)
   Call: (228) [system] m=(\)
   Fail: (228) [system] m=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _1150252)
   Call: (229) [system] peek_char((0x563acd73bee0), _1151186)
   Exit: (229) [system] peek_char((0x563acd73bee0), p)
^  Call: (229) [user] is_delimiter(p)
   Call: (230) [system] char_type(p, space)
   Fail: (230) [system] char_type(p, space)
   Call: (230) [system] arg(_1155906, v('(', ')', end_of_file), p)
   Fail: (230) [system] arg(_1156838, v('(', ')', end_of_file), p)
^  Fail: (229) [user] is_delimiter(p)
   Call: (229) [system] ')'==p
   Fail: (229) [system] ')'==p
   Call: (229) [system] get_char((0x563acd73bee0), p)
   Exit: (229) [system] get_char((0x563acd73bee0), p)
   Call: (229) [system] p=(\)
   Fail: (229) [system] p=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _1164188)
   Call: (230) [system] peek_char((0x563acd73bee0), _1165122)
   Exit: (230) [system] peek_char((0x563acd73bee0), l)
^  Call: (230) [user] is_delimiter(l)
   Call: (231) [system] char_type(l, space)
   Fail: (231) [system] char_type(l, space)
   Call: (231) [system] arg(_1169842, v('(', ')', end_of_file), l)
   Fail: (231) [system] arg(_1170774, v('(', ')', end_of_file), l)
^  Fail: (230) [user] is_delimiter(l)
   Call: (230) [system] ')'==l
   Fail: (230) [system] ')'==l
   Call: (230) [system] get_char((0x563acd73bee0), l)
   Exit: (230) [system] get_char((0x563acd73bee0), l)
   Call: (230) [system] l=(\)
   Fail: (230) [system] l=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _1178124)
   Call: (231) [system] peek_char((0x563acd73bee0), _1179058)
   Exit: (231) [system] peek_char((0x563acd73bee0), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Fail: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_1183778, v('(', ')', end_of_file), i)
   Fail: (232) [system] arg(_1184710, v('(', ')', end_of_file), i)
^  Fail: (231) [user] is_delimiter(i)
   Call: (231) [system] ')'==i
   Fail: (231) [system] ')'==i
   Call: (231) [system] get_char((0x563acd73bee0), i)
   Exit: (231) [system] get_char((0x563acd73bee0), i)
   Call: (231) [system] i=(\)
   Fail: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _1192060)
   Call: (232) [system] peek_char((0x563acd73bee0), _1192994)
   Exit: (232) [system] peek_char((0x563acd73bee0), c)
^  Call: (232) [user] is_delimiter(c)
   Call: (233) [system] char_type(c, space)
   Fail: (233) [system] char_type(c, space)
   Call: (233) [system] arg(_1197714, v('(', ')', end_of_file), c)
   Fail: (233) [system] arg(_1198646, v('(', ')', end_of_file), c)
^  Fail: (232) [user] is_delimiter(c)
   Call: (232) [system] ')'==c
   Fail: (232) [system] ')'==c
   Call: (232) [system] get_char((0x563acd73bee0), c)
   Exit: (232) [system] get_char((0x563acd73bee0), c)
   Call: (232) [system] c=(\)
   Fail: (232) [system] c=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _1205996)
   Call: (233) [system] peek_char((0x563acd73bee0), _1206930)
   Exit: (233) [system] peek_char((0x563acd73bee0), a)
^  Call: (233) [user] is_delimiter(a)
   Call: (234) [system] char_type(a, space)
   Fail: (234) [system] char_type(a, space)
   Call: (234) [system] arg(_1211650, v('(', ')', end_of_file), a)
   Fail: (234) [system] arg(_1212582, v('(', ')', end_of_file), a)
^  Fail: (233) [user] is_delimiter(a)
   Call: (233) [system] ')'==a
   Fail: (233) [system] ')'==a
   Call: (233) [system] get_char((0x563acd73bee0), a)
   Exit: (233) [system] get_char((0x563acd73bee0), a)
   Call: (233) [system] a=(\)
   Fail: (233) [system] a=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), _1219932)
   Call: (234) [system] peek_char((0x563acd73bee0), _1220866)
   Exit: (234) [system] peek_char((0x563acd73bee0), t)
^  Call: (234) [user] is_delimiter(t)
   Call: (235) [system] char_type(t, space)
   Fail: (235) [system] char_type(t, space)
   Call: (235) [system] arg(_1225586, v('(', ')', end_of_file), t)
   Fail: (235) [system] arg(_1226518, v('(', ')', end_of_file), t)
^  Fail: (234) [user] is_delimiter(t)
   Call: (234) [system] ')'==t
   Fail: (234) [system] ')'==t
   Call: (234) [system] get_char((0x563acd73bee0), t)
   Exit: (234) [system] get_char((0x563acd73bee0), t)
   Call: (234) [system] t=(\)
   Fail: (234) [system] t=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), _1233868)
   Call: (235) [system] peek_char((0x563acd73bee0), _1234802)
   Exit: (235) [system] peek_char((0x563acd73bee0), i)
^  Call: (235) [user] is_delimiter(i)
   Call: (236) [system] char_type(i, space)
   Fail: (236) [system] char_type(i, space)
   Call: (236) [system] arg(_1239522, v('(', ')', end_of_file), i)
   Fail: (236) [system] arg(_1240454, v('(', ')', end_of_file), i)
^  Fail: (235) [user] is_delimiter(i)
   Call: (235) [system] ')'==i
   Fail: (235) [system] ')'==i
   Call: (235) [system] get_char((0x563acd73bee0), i)
   Exit: (235) [system] get_char((0x563acd73bee0), i)
   Call: (235) [system] i=(\)
   Fail: (235) [system] i=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), _1247804)
   Call: (236) [system] peek_char((0x563acd73bee0), _1248738)
   Exit: (236) [system] peek_char((0x563acd73bee0), o)
^  Call: (236) [user] is_delimiter(o)
   Call: (237) [system] char_type(o, space)
   Fail: (237) [system] char_type(o, space)
   Call: (237) [system] arg(_1253458, v('(', ')', end_of_file), o)
   Fail: (237) [system] arg(_1254390, v('(', ')', end_of_file), o)
^  Fail: (236) [user] is_delimiter(o)
   Call: (236) [system] ')'==o
   Fail: (236) [system] ')'==o
   Call: (236) [system] get_char((0x563acd73bee0), o)
   Exit: (236) [system] get_char((0x563acd73bee0), o)
   Call: (236) [system] o=(\)
   Fail: (236) [system] o=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), _1261740)
   Call: (237) [system] peek_char((0x563acd73bee0), _1262674)
   Exit: (237) [system] peek_char((0x563acd73bee0), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Fail: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_1267394, v('(', ')', end_of_file), n)
   Fail: (238) [system] arg(_1268326, v('(', ')', end_of_file), n)
^  Fail: (237) [user] is_delimiter(n)
   Call: (237) [system] ')'==n
   Fail: (237) [system] ')'==n
   Call: (237) [system] get_char((0x563acd73bee0), n)
   Exit: (237) [system] get_char((0x563acd73bee0), n)
   Call: (237) [system] n=(\)
   Fail: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), _1275676)
   Call: (238) [system] peek_char((0x563acd73bee0), _1276610)
   Exit: (238) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (238) [user] is_delimiter(' ')
   Call: (239) [system] char_type(' ', space)
   Exit: (239) [system] char_type(' ', space)
^  Exit: (238) [user] is_delimiter(' ')
   Call: (238) [system] _1275676=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (237) [system] _1261740=[n]
   Exit: (237) [system] [n]=[n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (236) [system] _1247804=[o, n]
   Exit: (236) [system] [o, n]=[o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (235) [system] _1233868=[i, o, n]
   Exit: (235) [system] [i, o, n]=[i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (234) [system] _1219932=[t, i, o, n]
   Exit: (234) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (233) [system] _1205996=[a, t, i, o, n]
   Exit: (233) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (232) [system] _1192060=[c, a, t, i, o, n]
   Exit: (232) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (231) [system] _1178124=[i, c, a, t, i, o, n]
   Exit: (231) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (230) [system] _1164188=[l, i, c, a, t, i, o, n]
   Exit: (230) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (229) [system] _1150252=[p, l, i, c, a, t, i, o, n]
   Exit: (229) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (228) [system] _1136316=[m, p, l, i, c, a, t, i, o, n]
   Exit: (228) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (227) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1100806)
^  Call: (228) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1313834)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_1314786, _1314788), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1313834), _1314768, fail)), '$restore_trace'(_1314786, _1314788))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_1314786, _1314788))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1313834), _1314768, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_1313834)
   Fail: (229) [system] atomic(_1313834)
   Call: (229) [system] atom_chars(_1313834, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (229) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (228) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (228) [system] integer('Implication')
   Fail: (228) [system] integer('Implication')
   Call: (228) [system] _1100806='Implication'
   Exit: (228) [system] 'Implication'='Implication'
^  Exit: (227) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (226) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (225) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (225) [user] read_list(')', (0x563acd73bee0), _1328784)
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _1330642)
   Exit: (227) [system] peek_char((0x563acd73bee0), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
   Call: (227) [system] ' '=(/)
   Fail: (227) [system] ' '=(/)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x563acd73bee0), _1340236)
   Exit: (227) [system] get_char((0x563acd73bee0), ' ')
^  Call: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _1342940)
   Exit: (228) [system] peek_char((0x563acd73bee0), '(')
   Call: (228) [system] '('=(;)
   Fail: (228) [system] '('=(;)
   Call: (228) [system] '('=(/)
   Fail: (228) [system] '('=(/)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Fail: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Fail: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Fail: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
   Fail: (229) [system] char_type('(', cntrl)
^  Fail: (228) [user] is_like_space('(')
^  Exit: (227) [user] skip_spaces((0x563acd73bee0))
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _1359874)
   Exit: (226) [system] peek_char((0x563acd73bee0), '(')
   Call: (226) [system] '('=')'
   Fail: (226) [system] '('=')'
   Call: (226) [system] '('=end_of_file
   Fail: (226) [system] '('=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x563acd73bee0), _1365444)
^  Call: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _1367302)
   Exit: (228) [system] peek_char((0x563acd73bee0), '(')
   Call: (228) [system] '('=(;)
   Fail: (228) [system] '('=(;)
   Call: (228) [system] '('=(/)
   Fail: (228) [system] '('=(/)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Fail: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Fail: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Fail: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
   Fail: (229) [system] char_type('(', cntrl)
^  Fail: (228) [user] is_like_space('(')
^  Exit: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] get_char((0x563acd73bee0), _1383312)
   Exit: (227) [system] get_char((0x563acd73bee0), '(')
   Call: (227) [system] '('='('
   Exit: (227) [system] '('='('
^  Call: (227) [user] read_list(')', (0x563acd73bee0), _1365444)
^  Call: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] peek_char((0x563acd73bee0), _1388882)
   Exit: (229) [system] peek_char((0x563acd73bee0), 'O')
   Call: (229) [system] 'O'=(;)
   Fail: (229) [system] 'O'=(;)
   Call: (229) [system] 'O'=(/)
   Fail: (229) [system] 'O'=(/)
^  Call: (229) [user] is_like_space('O')
   Call: (230) [system] char_type('O', 'white')
   Fail: (230) [system] char_type('O', 'white')
   Call: (230) [system] char_type('O', end_of_line)
   Fail: (230) [system] char_type('O', end_of_line)
   Call: (230) [system] char_type('O', space)
   Fail: (230) [system] char_type('O', space)
   Call: (230) [system] char_type('O', cntrl)
   Fail: (230) [system] char_type('O', cntrl)
^  Fail: (229) [user] is_like_space('O')
^  Exit: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _1404892)
   Exit: (228) [system] peek_char((0x563acd73bee0), 'O')
   Call: (228) [system] 'O'=')'
   Fail: (228) [system] 'O'=')'
   Call: (228) [system] 'O'=end_of_file
   Fail: (228) [system] 'O'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x563acd73bee0), _1410462)
^  Call: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (230) [system] peek_char((0x563acd73bee0), _1412320)
   Exit: (230) [system] peek_char((0x563acd73bee0), 'O')
   Call: (230) [system] 'O'=(;)
   Fail: (230) [system] 'O'=(;)
   Call: (230) [system] 'O'=(/)
   Fail: (230) [system] 'O'=(/)
^  Call: (230) [user] is_like_space('O')
   Call: (231) [system] char_type('O', 'white')
   Fail: (231) [system] char_type('O', 'white')
   Call: (231) [system] char_type('O', end_of_line)
   Fail: (231) [system] char_type('O', end_of_line)
   Call: (231) [system] char_type('O', space)
   Fail: (231) [system] char_type('O', space)
   Call: (231) [system] char_type('O', cntrl)
   Fail: (231) [system] char_type('O', cntrl)
^  Fail: (230) [user] is_like_space('O')
^  Exit: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] get_char((0x563acd73bee0), _1428330)
   Exit: (229) [system] get_char((0x563acd73bee0), 'O')
   Call: (229) [system] 'O'='('
   Fail: (229) [system] 'O'='('
   Call: (229) [system] 'O'='['
   Fail: (229) [system] 'O'='['
   Call: (229) [system] 'O'='{'
   Fail: (229) [system] 'O'='{'
   Call: (229) [system] 'O'='"'
   Fail: (229) [system] 'O'='"'
   Call: (229) [system] 'O'=!
   Fail: (229) [system] 'O'=!
   Call: (229) [system] 'O'='\''
   Fail: (229) [system] 'O'='\''
   Call: (229) [system] 'O'='`'
   Fail: (229) [system] 'O'='`'
   Call: (229) [system] 'O'=end_of_file
   Fail: (229) [system] 'O'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x563acd73bee0), 'O', _1410462)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _1445972)
   Call: (231) [system] peek_char((0x563acd73bee0), _1446906)
   Exit: (231) [system] peek_char((0x563acd73bee0), r)
^  Call: (231) [user] is_delimiter(r)
   Call: (232) [system] char_type(r, space)
   Fail: (232) [system] char_type(r, space)
   Call: (232) [system] arg(_1451626, v('(', ')', end_of_file), r)
   Fail: (232) [system] arg(_1452558, v('(', ')', end_of_file), r)
^  Fail: (231) [user] is_delimiter(r)
   Call: (231) [system] ')'==r
   Fail: (231) [system] ')'==r
   Call: (231) [system] get_char((0x563acd73bee0), r)
   Exit: (231) [system] get_char((0x563acd73bee0), r)
   Call: (231) [system] r=(\)
   Fail: (231) [system] r=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _1459908)
   Call: (232) [system] peek_char((0x563acd73bee0), _1460842)
   Exit: (232) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (232) [user] is_delimiter('L')
   Call: (233) [system] char_type('L', space)
   Fail: (233) [system] char_type('L', space)
   Call: (233) [system] arg(_1465562, v('(', ')', end_of_file), 'L')
   Fail: (233) [system] arg(_1466494, v('(', ')', end_of_file), 'L')
^  Fail: (232) [user] is_delimiter('L')
   Call: (232) [system] ')'=='L'
   Fail: (232) [system] ')'=='L'
   Call: (232) [system] get_char((0x563acd73bee0), 'L')
   Exit: (232) [system] get_char((0x563acd73bee0), 'L')
   Call: (232) [system] 'L'=(\)
   Fail: (232) [system] 'L'=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _1473844)
   Call: (233) [system] peek_char((0x563acd73bee0), _1474778)
   Exit: (233) [system] peek_char((0x563acd73bee0), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Fail: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_1479498, v('(', ')', end_of_file), i)
   Fail: (234) [system] arg(_1480430, v('(', ')', end_of_file), i)
^  Fail: (233) [user] is_delimiter(i)
   Call: (233) [system] ')'==i
   Fail: (233) [system] ')'==i
   Call: (233) [system] get_char((0x563acd73bee0), i)
   Exit: (233) [system] get_char((0x563acd73bee0), i)
   Call: (233) [system] i=(\)
   Fail: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), _1487780)
   Call: (234) [system] peek_char((0x563acd73bee0), _1488714)
   Exit: (234) [system] peek_char((0x563acd73bee0), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Fail: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_1493434, v('(', ')', end_of_file), n)
   Fail: (235) [system] arg(_1494366, v('(', ')', end_of_file), n)
^  Fail: (234) [user] is_delimiter(n)
   Call: (234) [system] ')'==n
   Fail: (234) [system] ')'==n
   Call: (234) [system] get_char((0x563acd73bee0), n)
   Exit: (234) [system] get_char((0x563acd73bee0), n)
   Call: (234) [system] n=(\)
   Fail: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), _1501716)
   Call: (235) [system] peek_char((0x563acd73bee0), _1502650)
   Exit: (235) [system] peek_char((0x563acd73bee0), k)
^  Call: (235) [user] is_delimiter(k)
   Call: (236) [system] char_type(k, space)
   Fail: (236) [system] char_type(k, space)
   Call: (236) [system] arg(_1507370, v('(', ')', end_of_file), k)
   Fail: (236) [system] arg(_1508302, v('(', ')', end_of_file), k)
^  Fail: (235) [user] is_delimiter(k)
   Call: (235) [system] ')'==k
   Fail: (235) [system] ')'==k
   Call: (235) [system] get_char((0x563acd73bee0), k)
   Exit: (235) [system] get_char((0x563acd73bee0), k)
   Call: (235) [system] k=(\)
   Fail: (235) [system] k=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), _1515652)
   Call: (236) [system] peek_char((0x563acd73bee0), _1516586)
   Exit: (236) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (236) [user] is_delimiter(' ')
   Call: (237) [system] char_type(' ', space)
   Exit: (237) [system] char_type(' ', space)
^  Exit: (236) [user] is_delimiter(' ')
   Call: (236) [system] _1515652=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (235) [system] _1501716=[k]
   Exit: (235) [system] [k]=[k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (234) [system] _1487780=[n, k]
   Exit: (234) [system] [n, k]=[n, k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (233) [system] _1473844=[i, n, k]
   Exit: (233) [system] [i, n, k]=[i, n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (232) [system] _1459908=['L', i, n, k]
   Exit: (232) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (231) [system] _1445972=[r, 'L', i, n, k]
   Exit: (231) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (230) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1410462)
^  Call: (231) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1539840)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_1540792, _1540794), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1539840), _1540774, fail)), '$restore_trace'(_1540792, _1540794))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_1540792, _1540794))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1539840), _1540774, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_1539840)
   Fail: (232) [system] atomic(_1539840)
   Call: (232) [system] atom_chars(_1539840, ['O', r, 'L', i, n, k])
   Exit: (232) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (231) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (231) [system] integer('OrLink')
   Fail: (231) [system] integer('OrLink')
   Call: (231) [system] _1410462='OrLink'
   Exit: (231) [system] 'OrLink'='OrLink'
^  Exit: (230) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (229) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (228) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (228) [user] read_list(')', (0x563acd73bee0), _1554790)
^  Call: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (230) [system] peek_char((0x563acd73bee0), _1556648)
   Exit: (230) [system] peek_char((0x563acd73bee0), ' ')
   Call: (230) [system] ' '=(;)
   Fail: (230) [system] ' '=(;)
   Call: (230) [system] ' '=(/)
   Fail: (230) [system] ' '=(/)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x563acd73bee0), _1566242)
   Exit: (230) [system] get_char((0x563acd73bee0), ' ')
^  Call: (230) [user] skip_spaces((0x563acd73bee0))
   Call: (231) [system] peek_char((0x563acd73bee0), _1568946)
   Exit: (231) [system] peek_char((0x563acd73bee0), 'C')
   Call: (231) [system] 'C'=(;)
   Fail: (231) [system] 'C'=(;)
   Call: (231) [system] 'C'=(/)
   Fail: (231) [system] 'C'=(/)
^  Call: (231) [user] is_like_space('C')
   Call: (232) [system] char_type('C', 'white')
   Fail: (232) [system] char_type('C', 'white')
   Call: (232) [system] char_type('C', end_of_line)
   Fail: (232) [system] char_type('C', end_of_line)
   Call: (232) [system] char_type('C', space)
   Fail: (232) [system] char_type('C', space)
   Call: (232) [system] char_type('C', cntrl)
   Fail: (232) [system] char_type('C', cntrl)
^  Fail: (231) [user] is_like_space('C')
^  Exit: (230) [user] skip_spaces((0x563acd73bee0))
^  Exit: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] peek_char((0x563acd73bee0), _1585880)
   Exit: (229) [system] peek_char((0x563acd73bee0), 'C')
   Call: (229) [system] 'C'=')'
   Fail: (229) [system] 'C'=')'
   Call: (229) [system] 'C'=end_of_file
   Fail: (229) [system] 'C'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x563acd73bee0), _1591450)
^  Call: (230) [user] skip_spaces((0x563acd73bee0))
   Call: (231) [system] peek_char((0x563acd73bee0), _1593308)
   Exit: (231) [system] peek_char((0x563acd73bee0), 'C')
   Call: (231) [system] 'C'=(;)
   Fail: (231) [system] 'C'=(;)
   Call: (231) [system] 'C'=(/)
   Fail: (231) [system] 'C'=(/)
^  Call: (231) [user] is_like_space('C')
   Call: (232) [system] char_type('C', 'white')
   Fail: (232) [system] char_type('C', 'white')
   Call: (232) [system] char_type('C', end_of_line)
   Fail: (232) [system] char_type('C', end_of_line)
   Call: (232) [system] char_type('C', space)
   Fail: (232) [system] char_type('C', space)
   Call: (232) [system] char_type('C', cntrl)
   Fail: (232) [system] char_type('C', cntrl)
^  Fail: (231) [user] is_like_space('C')
^  Exit: (230) [user] skip_spaces((0x563acd73bee0))
   Call: (230) [system] get_char((0x563acd73bee0), _1609318)
   Exit: (230) [system] get_char((0x563acd73bee0), 'C')
   Call: (230) [system] 'C'='('
   Fail: (230) [system] 'C'='('
   Call: (230) [system] 'C'='['
   Fail: (230) [system] 'C'='['
   Call: (230) [system] 'C'='{'
   Fail: (230) [system] 'C'='{'
   Call: (230) [system] 'C'='"'
   Fail: (230) [system] 'C'='"'
   Call: (230) [system] 'C'=!
   Fail: (230) [system] 'C'=!
   Call: (230) [system] 'C'='\''
   Fail: (230) [system] 'C'='\''
   Call: (230) [system] 'C'='`'
   Fail: (230) [system] 'C'='`'
   Call: (230) [system] 'C'=end_of_file
   Fail: (230) [system] 'C'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x563acd73bee0), 'C', _1591450)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _1626960)
   Call: (232) [system] peek_char((0x563acd73bee0), _1627894)
   Exit: (232) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _1626960=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (231) [user] classify_and_convert_charseq(['C'], _1591450)
^  Call: (232) [user] classify_and_convert_charseq_(['C'], _1637178)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_1638130, _1638132), once(user:catch(read_from_chars(['C'], _1637178), _1638112, fail)), '$restore_trace'(_1638130, _1638132))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_1638130, _1638132))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1637178), _1638112, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(_1637178)
   Fail: (233) [system] atomic(_1637178)
   Call: (233) [system] atom_chars(_1637178, ['C'])
   Exit: (233) [system] atom_chars('C', ['C'])
^  Exit: (232) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (232) [system] integer('C')
   Fail: (232) [system] integer('C')
   Call: (232) [system] _1591450='C'
   Exit: (232) [system] 'C'='C'
^  Exit: (231) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (230) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (229) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (229) [user] read_list(')', (0x563acd73bee0), _1652128)
^  Call: (230) [user] skip_spaces((0x563acd73bee0))
   Call: (231) [system] peek_char((0x563acd73bee0), _1653986)
   Exit: (231) [system] peek_char((0x563acd73bee0), ' ')
   Call: (231) [system] ' '=(;)
   Fail: (231) [system] ' '=(;)
   Call: (231) [system] ' '=(/)
   Fail: (231) [system] ' '=(/)
^  Call: (231) [user] is_like_space(' ')
   Call: (232) [system] char_type(' ', 'white')
   Exit: (232) [system] char_type(' ', 'white')
^  Exit: (231) [user] is_like_space(' ')
   Call: (231) [system] get_char((0x563acd73bee0), _1663580)
   Exit: (231) [system] get_char((0x563acd73bee0), ' ')
^  Call: (231) [user] skip_spaces((0x563acd73bee0))
   Call: (232) [system] peek_char((0x563acd73bee0), _1666284)
   Exit: (232) [system] peek_char((0x563acd73bee0), 'D')
   Call: (232) [system] 'D'=(;)
   Fail: (232) [system] 'D'=(;)
   Call: (232) [system] 'D'=(/)
   Fail: (232) [system] 'D'=(/)
^  Call: (232) [user] is_like_space('D')
   Call: (233) [system] char_type('D', 'white')
   Fail: (233) [system] char_type('D', 'white')
   Call: (233) [system] char_type('D', end_of_line)
   Fail: (233) [system] char_type('D', end_of_line)
   Call: (233) [system] char_type('D', space)
   Fail: (233) [system] char_type('D', space)
   Call: (233) [system] char_type('D', cntrl)
   Fail: (233) [system] char_type('D', cntrl)
^  Fail: (232) [user] is_like_space('D')
^  Exit: (231) [user] skip_spaces((0x563acd73bee0))
^  Exit: (230) [user] skip_spaces((0x563acd73bee0))
   Call: (230) [system] peek_char((0x563acd73bee0), _1683218)
   Exit: (230) [system] peek_char((0x563acd73bee0), 'D')
   Call: (230) [system] 'D'=')'
   Fail: (230) [system] 'D'=')'
   Call: (230) [system] 'D'=end_of_file
   Fail: (230) [system] 'D'=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x563acd73bee0), _1688788)
^  Call: (231) [user] skip_spaces((0x563acd73bee0))
   Call: (232) [system] peek_char((0x563acd73bee0), _1690646)
   Exit: (232) [system] peek_char((0x563acd73bee0), 'D')
   Call: (232) [system] 'D'=(;)
   Fail: (232) [system] 'D'=(;)
   Call: (232) [system] 'D'=(/)
   Fail: (232) [system] 'D'=(/)
^  Call: (232) [user] is_like_space('D')
   Call: (233) [system] char_type('D', 'white')
   Fail: (233) [system] char_type('D', 'white')
   Call: (233) [system] char_type('D', end_of_line)
   Fail: (233) [system] char_type('D', end_of_line)
   Call: (233) [system] char_type('D', space)
   Fail: (233) [system] char_type('D', space)
   Call: (233) [system] char_type('D', cntrl)
   Fail: (233) [system] char_type('D', cntrl)
^  Fail: (232) [user] is_like_space('D')
^  Exit: (231) [user] skip_spaces((0x563acd73bee0))
   Call: (231) [system] get_char((0x563acd73bee0), _1706656)
   Exit: (231) [system] get_char((0x563acd73bee0), 'D')
   Call: (231) [system] 'D'='('
   Fail: (231) [system] 'D'='('
   Call: (231) [system] 'D'='['
   Fail: (231) [system] 'D'='['
   Call: (231) [system] 'D'='{'
   Fail: (231) [system] 'D'='{'
   Call: (231) [system] 'D'='"'
   Fail: (231) [system] 'D'='"'
   Call: (231) [system] 'D'=!
   Fail: (231) [system] 'D'=!
   Call: (231) [system] 'D'='\''
   Fail: (231) [system] 'D'='\''
   Call: (231) [system] 'D'='`'
   Fail: (231) [system] 'D'='`'
   Call: (231) [system] 'D'=end_of_file
   Fail: (231) [system] 'D'=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x563acd73bee0), 'D', _1688788)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _1724298)
   Call: (233) [system] peek_char((0x563acd73bee0), _1725232)
   Exit: (233) [system] peek_char((0x563acd73bee0), ')')
^  Call: (233) [user] is_delimiter(')')
   Call: (234) [system] char_type(')', space)
   Fail: (234) [system] char_type(')', space)
   Call: (234) [system] arg(_1729952, v('(', ')', end_of_file), ')')
   Exit: (234) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (233) [user] is_delimiter(')')
   Call: (233) [system] _1724298=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (232) [user] classify_and_convert_charseq(['D'], _1688788)
^  Call: (233) [user] classify_and_convert_charseq_(['D'], _1736388)
^  Call: (235) [system] setup_call_cleanup('$notrace'(_1737340, _1737342), once(user:catch(read_from_chars(['D'], _1736388), _1737322, fail)), '$restore_trace'(_1737340, _1737342))
^  Call: (236) [system] sig_atomic(system:'$notrace'(_1737340, _1737342))
^  Exit: (235) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1736388), _1737322, fail)), system:'$restore_trace'(3, -1))
   Call: (234) [system] atomic(_1736388)
   Fail: (234) [system] atomic(_1736388)
   Call: (234) [system] atom_chars(_1736388, ['D'])
   Exit: (234) [system] atom_chars('D', ['D'])
^  Exit: (233) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (233) [system] integer('D')
   Fail: (233) [system] integer('D')
   Call: (233) [system] _1688788='D'
   Exit: (233) [system] 'D'='D'
^  Exit: (232) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (231) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'D')
^  Exit: (230) [user] cont_sexpr(')', (0x563acd73bee0), 'D')
^  Call: (230) [user] read_list(')', (0x563acd73bee0), _1751338)
^  Call: (231) [user] skip_spaces((0x563acd73bee0))
   Call: (232) [system] peek_char((0x563acd73bee0), _1753196)
   Exit: (232) [system] peek_char((0x563acd73bee0), ')')
   Call: (232) [system] ')'=(;)
   Fail: (232) [system] ')'=(;)
   Call: (232) [system] ')'=(/)
   Fail: (232) [system] ')'=(/)
^  Call: (232) [user] is_like_space(')')
   Call: (233) [system] char_type(')', 'white')
   Fail: (233) [system] char_type(')', 'white')
   Call: (233) [system] char_type(')', end_of_line)
   Fail: (233) [system] char_type(')', end_of_line)
   Call: (233) [system] char_type(')', space)
   Fail: (233) [system] char_type(')', space)
   Call: (233) [system] char_type(')', cntrl)
   Fail: (233) [system] char_type(')', cntrl)
^  Fail: (232) [user] is_like_space(')')
^  Exit: (231) [user] skip_spaces((0x563acd73bee0))
   Call: (231) [system] peek_char((0x563acd73bee0), _1769206)
   Exit: (231) [system] peek_char((0x563acd73bee0), ')')
   Call: (231) [system] ')'=')'
   Exit: (231) [system] ')'=')'
   Call: (231) [system] get_char((0x563acd73bee0), _1772996)
   Exit: (231) [system] get_char((0x563acd73bee0), ')')
   Call: (231) [system] _1751338=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_list(')', (0x563acd73bee0), [])
   Call: (230) [system] _1652128=['D']
   Exit: (230) [system] ['D']=['D']
^  Exit: (229) [user] read_list(')', (0x563acd73bee0), ['D'])
   Call: (229) [system] _1554790=['C', 'D']
   Exit: (229) [system] ['C', 'D']=['C', 'D']
^  Exit: (228) [user] read_list(')', (0x563acd73bee0), ['C', 'D'])
   Call: (228) [system] _1365444=['OrLink', 'C', 'D']
   Exit: (228) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (227) [user] read_list(')', (0x563acd73bee0), ['OrLink', 'C', 'D'])
^  Exit: (226) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', 'C', 'D'])
^  Call: (226) [user] read_list(')', (0x563acd73bee0), _1786878)
^  Call: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _1788736)
   Exit: (228) [system] peek_char((0x563acd73bee0), ' ')
   Call: (228) [system] ' '=(;)
   Fail: (228) [system] ' '=(;)
   Call: (228) [system] ' '=(/)
   Fail: (228) [system] ' '=(/)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x563acd73bee0), _1798330)
   Exit: (228) [system] get_char((0x563acd73bee0), ' ')
^  Call: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] peek_char((0x563acd73bee0), _1801034)
   Exit: (229) [system] peek_char((0x563acd73bee0), 'E')
   Call: (229) [system] 'E'=(;)
   Fail: (229) [system] 'E'=(;)
   Call: (229) [system] 'E'=(/)
   Fail: (229) [system] 'E'=(/)
^  Call: (229) [user] is_like_space('E')
   Call: (230) [system] char_type('E', 'white')
   Fail: (230) [system] char_type('E', 'white')
   Call: (230) [system] char_type('E', end_of_line)
   Fail: (230) [system] char_type('E', end_of_line)
   Call: (230) [system] char_type('E', space)
   Fail: (230) [system] char_type('E', space)
   Call: (230) [system] char_type('E', cntrl)
   Fail: (230) [system] char_type('E', cntrl)
^  Fail: (229) [user] is_like_space('E')
^  Exit: (228) [user] skip_spaces((0x563acd73bee0))
^  Exit: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _1817968)
   Exit: (227) [system] peek_char((0x563acd73bee0), 'E')
   Call: (227) [system] 'E'=')'
   Fail: (227) [system] 'E'=')'
   Call: (227) [system] 'E'=end_of_file
   Fail: (227) [system] 'E'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x563acd73bee0), _1823538)
^  Call: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] peek_char((0x563acd73bee0), _1825396)
   Exit: (229) [system] peek_char((0x563acd73bee0), 'E')
   Call: (229) [system] 'E'=(;)
   Fail: (229) [system] 'E'=(;)
   Call: (229) [system] 'E'=(/)
   Fail: (229) [system] 'E'=(/)
^  Call: (229) [user] is_like_space('E')
   Call: (230) [system] char_type('E', 'white')
   Fail: (230) [system] char_type('E', 'white')
   Call: (230) [system] char_type('E', end_of_line)
   Fail: (230) [system] char_type('E', end_of_line)
   Call: (230) [system] char_type('E', space)
   Fail: (230) [system] char_type('E', space)
   Call: (230) [system] char_type('E', cntrl)
   Fail: (230) [system] char_type('E', cntrl)
^  Fail: (229) [user] is_like_space('E')
^  Exit: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] get_char((0x563acd73bee0), _1841406)
   Exit: (228) [system] get_char((0x563acd73bee0), 'E')
   Call: (228) [system] 'E'='('
   Fail: (228) [system] 'E'='('
   Call: (228) [system] 'E'='['
   Fail: (228) [system] 'E'='['
   Call: (228) [system] 'E'='{'
   Fail: (228) [system] 'E'='{'
   Call: (228) [system] 'E'='"'
   Fail: (228) [system] 'E'='"'
   Call: (228) [system] 'E'=!
   Fail: (228) [system] 'E'=!
   Call: (228) [system] 'E'='\''
   Fail: (228) [system] 'E'='\''
   Call: (228) [system] 'E'='`'
   Fail: (228) [system] 'E'='`'
   Call: (228) [system] 'E'=end_of_file
   Fail: (228) [system] 'E'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x563acd73bee0), 'E', _1823538)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _1859048)
   Call: (230) [system] peek_char((0x563acd73bee0), _1859982)
   Exit: (230) [system] peek_char((0x563acd73bee0), ')')
^  Call: (230) [user] is_delimiter(')')
   Call: (231) [system] char_type(')', space)
   Fail: (231) [system] char_type(')', space)
   Call: (231) [system] arg(_1864702, v('(', ')', end_of_file), ')')
   Exit: (231) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (230) [user] is_delimiter(')')
   Call: (230) [system] _1859048=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (229) [user] classify_and_convert_charseq(['E'], _1823538)
^  Call: (230) [user] classify_and_convert_charseq_(['E'], _1871138)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_1872090, _1872092), once(user:catch(read_from_chars(['E'], _1871138), _1872072, fail)), '$restore_trace'(_1872090, _1872092))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_1872090, _1872092))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1871138), _1872072, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_1871138)
   Fail: (231) [system] atomic(_1871138)
   Call: (231) [system] atom_chars(_1871138, ['E'])
   Exit: (231) [system] atom_chars('E', ['E'])
^  Exit: (230) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (230) [system] integer('E')
   Fail: (230) [system] integer('E')
   Call: (230) [system] _1823538='E'
   Exit: (230) [system] 'E'='E'
^  Exit: (229) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (228) [user] read_symbolic(')', (0x563acd73bee0), 'E', 'E')
^  Exit: (227) [user] cont_sexpr(')', (0x563acd73bee0), 'E')
^  Call: (227) [user] read_list(')', (0x563acd73bee0), _1886088)
^  Call: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] peek_char((0x563acd73bee0), _1887946)
   Exit: (229) [system] peek_char((0x563acd73bee0), ')')
   Call: (229) [system] ')'=(;)
   Fail: (229) [system] ')'=(;)
   Call: (229) [system] ')'=(/)
   Fail: (229) [system] ')'=(/)
^  Call: (229) [user] is_like_space(')')
   Call: (230) [system] char_type(')', 'white')
   Fail: (230) [system] char_type(')', 'white')
   Call: (230) [system] char_type(')', end_of_line)
   Fail: (230) [system] char_type(')', end_of_line)
   Call: (230) [system] char_type(')', space)
   Fail: (230) [system] char_type(')', space)
   Call: (230) [system] char_type(')', cntrl)
   Fail: (230) [system] char_type(')', cntrl)
^  Fail: (229) [user] is_like_space(')')
^  Exit: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _1903956)
   Exit: (228) [system] peek_char((0x563acd73bee0), ')')
   Call: (228) [system] ')'=')'
   Exit: (228) [system] ')'=')'
   Call: (228) [system] get_char((0x563acd73bee0), _1907746)
   Exit: (228) [system] get_char((0x563acd73bee0), ')')
   Call: (228) [system] _1886088=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_list(')', (0x563acd73bee0), [])
   Call: (227) [system] _1786878=['E']
   Exit: (227) [system] ['E']=['E']
^  Exit: (226) [user] read_list(')', (0x563acd73bee0), ['E'])
   Call: (226) [system] _1328784=[['OrLink', 'C', 'D'], 'E']
   Exit: (226) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (225) [user] read_list(')', (0x563acd73bee0), [['OrLink', 'C', 'D'], 'E'])
   Call: (225) [system] _1055788=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (225) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (224) [user] read_list(')', (0x563acd73bee0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (223) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (223) [user] read_list(')', (0x563acd73bee0), _1921628)
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _1923486)
   Exit: (225) [system] peek_char((0x563acd73bee0), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x563acd73bee0), _1933080)
   Exit: (225) [system] get_char((0x563acd73bee0), ' ')
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _1935784)
   Exit: (226) [system] peek_char((0x563acd73bee0), 'B')
   Call: (226) [system] 'B'=(;)
   Fail: (226) [system] 'B'=(;)
   Call: (226) [system] 'B'=(/)
   Fail: (226) [system] 'B'=(/)
^  Call: (226) [user] is_like_space('B')
   Call: (227) [system] char_type('B', 'white')
   Fail: (227) [system] char_type('B', 'white')
   Call: (227) [system] char_type('B', end_of_line)
   Fail: (227) [system] char_type('B', end_of_line)
   Call: (227) [system] char_type('B', space)
   Fail: (227) [system] char_type('B', space)
   Call: (227) [system] char_type('B', cntrl)
   Fail: (227) [system] char_type('B', cntrl)
^  Fail: (226) [user] is_like_space('B')
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _1952718)
   Exit: (224) [system] peek_char((0x563acd73bee0), 'B')
   Call: (224) [system] 'B'=')'
   Fail: (224) [system] 'B'=')'
   Call: (224) [system] 'B'=end_of_file
   Fail: (224) [system] 'B'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x563acd73bee0), _1958288)
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _1960146)
   Exit: (226) [system] peek_char((0x563acd73bee0), 'B')
   Call: (226) [system] 'B'=(;)
   Fail: (226) [system] 'B'=(;)
   Call: (226) [system] 'B'=(/)
   Fail: (226) [system] 'B'=(/)
^  Call: (226) [user] is_like_space('B')
   Call: (227) [system] char_type('B', 'white')
   Fail: (227) [system] char_type('B', 'white')
   Call: (227) [system] char_type('B', end_of_line)
   Fail: (227) [system] char_type('B', end_of_line)
   Call: (227) [system] char_type('B', space)
   Fail: (227) [system] char_type('B', space)
   Call: (227) [system] char_type('B', cntrl)
   Fail: (227) [system] char_type('B', cntrl)
^  Fail: (226) [user] is_like_space('B')
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] get_char((0x563acd73bee0), _1976156)
   Exit: (225) [system] get_char((0x563acd73bee0), 'B')
   Call: (225) [system] 'B'='('
   Fail: (225) [system] 'B'='('
   Call: (225) [system] 'B'='['
   Fail: (225) [system] 'B'='['
   Call: (225) [system] 'B'='{'
   Fail: (225) [system] 'B'='{'
   Call: (225) [system] 'B'='"'
   Fail: (225) [system] 'B'='"'
   Call: (225) [system] 'B'=!
   Fail: (225) [system] 'B'=!
   Call: (225) [system] 'B'='\''
   Fail: (225) [system] 'B'='\''
   Call: (225) [system] 'B'='`'
   Fail: (225) [system] 'B'='`'
   Call: (225) [system] 'B'=end_of_file
   Fail: (225) [system] 'B'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x563acd73bee0), 'B', _1958288)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _1993798)
   Call: (227) [system] peek_char((0x563acd73bee0), _1994732)
   Exit: (227) [system] peek_char((0x563acd73bee0), ')')
^  Call: (227) [user] is_delimiter(')')
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] arg(_1999452, v('(', ')', end_of_file), ')')
   Exit: (228) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (227) [user] is_delimiter(')')
   Call: (227) [system] _1993798=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (226) [user] classify_and_convert_charseq(['B'], _1958288)
^  Call: (227) [user] classify_and_convert_charseq_(['B'], _2005888)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_2006840, _2006842), once(user:catch(read_from_chars(['B'], _2005888), _2006822, fail)), '$restore_trace'(_2006840, _2006842))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_2006840, _2006842))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _2005888), _2006822, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_2005888)
   Fail: (228) [system] atomic(_2005888)
   Call: (228) [system] atom_chars(_2005888, ['B'])
   Exit: (228) [system] atom_chars('B', ['B'])
^  Exit: (227) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (227) [system] integer('B')
   Fail: (227) [system] integer('B')
   Call: (227) [system] _1958288='B'
   Exit: (227) [system] 'B'='B'
^  Exit: (226) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (225) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (224) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (224) [user] read_list(')', (0x563acd73bee0), _2020838)
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _2022696)
   Exit: (226) [system] peek_char((0x563acd73bee0), ')')
   Call: (226) [system] ')'=(;)
   Fail: (226) [system] ')'=(;)
   Call: (226) [system] ')'=(/)
   Fail: (226) [system] ')'=(/)
^  Call: (226) [user] is_like_space(')')
   Call: (227) [system] char_type(')', 'white')
   Fail: (227) [system] char_type(')', 'white')
   Call: (227) [system] char_type(')', end_of_line)
   Fail: (227) [system] char_type(')', end_of_line)
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] char_type(')', cntrl)
   Fail: (227) [system] char_type(')', cntrl)
^  Fail: (226) [user] is_like_space(')')
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _2038706)
   Exit: (225) [system] peek_char((0x563acd73bee0), ')')
   Call: (225) [system] ')'=')'
   Exit: (225) [system] ')'=')'
   Call: (225) [system] get_char((0x563acd73bee0), _2042496)
   Exit: (225) [system] get_char((0x563acd73bee0), ')')
   Call: (225) [system] _2020838=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_list(')', (0x563acd73bee0), [])
   Call: (224) [system] _1921628=['B']
   Exit: (224) [system] ['B']=['B']
^  Exit: (223) [user] read_list(')', (0x563acd73bee0), ['B'])
   Call: (223) [system] _1019128=[['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']
   Exit: (223) [system] [['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']=[['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']
^  Exit: (222) [user] read_list(')', (0x563acd73bee0), [['Implication', ['OrLink', 'C', 'D'], 'E'], 'B'])
   Call: (222) [system] _829782=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']
   Exit: (222) [system] ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']
^  Exit: (221) [user] read_list(')', (0x563acd73bee0), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B'])
^  Exit: (220) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B'])
^  Call: (220) [user] read_list(')', (0x563acd73bee0), _2056378)
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _2058236)
   Exit: (222) [system] peek_char((0x563acd73bee0), ')')
   Call: (222) [system] ')'=(;)
   Fail: (222) [system] ')'=(;)
   Call: (222) [system] ')'=(/)
   Fail: (222) [system] ')'=(/)
^  Call: (222) [user] is_like_space(')')
   Call: (223) [system] char_type(')', 'white')
   Fail: (223) [system] char_type(')', 'white')
   Call: (223) [system] char_type(')', end_of_line)
   Fail: (223) [system] char_type(')', end_of_line)
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] char_type(')', cntrl)
   Fail: (223) [system] char_type(')', cntrl)
^  Fail: (222) [user] is_like_space(')')
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _2074246)
   Exit: (221) [system] peek_char((0x563acd73bee0), ')')
   Call: (221) [system] ')'=')'
   Exit: (221) [system] ')'=')'
   Call: (221) [system] get_char((0x563acd73bee0), _2078036)
   Exit: (221) [system] get_char((0x563acd73bee0), ')')
   Call: (221) [system] _2056378=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_list(')', (0x563acd73bee0), [])
   Call: (220) [system] _793122=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
   Exit: (220) [system] [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
^  Exit: (219) [user] read_list(')', (0x563acd73bee0), [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']])
   Call: (219) [system] _20898=[['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
   Exit: (219) [system] [['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]=[['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
^  Exit: (218) [user] read_list(')', (0x563acd73bee0), [['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']])
   Call: (218) [system] _5972=[:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
   Exit: (218) [system] [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]=[:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
^  Exit: (217) [user] read_list(')', (0x563acd73bee0), [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']])
^  Exit: (216) [user] cont_sexpr(')', (0x563acd73bee0), [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']])
^  Call: (216) [user] read_list(')', (0x563acd73bee0), _2091918)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _2093776)
   Exit: (218) [system] peek_char((0x563acd73bee0), '\n')
   Call: (218) [system] '\n'=(;)
   Fail: (218) [system] '\n'=(;)
   Call: (218) [system] '\n'=(/)
   Fail: (218) [system] '\n'=(/)
^  Call: (218) [user] is_like_space('\n')
   Call: (219) [system] char_type('\n', 'white')
   Fail: (219) [system] char_type('\n', 'white')
   Call: (219) [system] char_type('\n', end_of_line)
   Exit: (219) [system] char_type('\n', end_of_line)
^  Exit: (218) [user] is_like_space('\n')
   Call: (218) [system] get_char((0x563acd73bee0), _14512)
   Exit: (218) [system] get_char((0x563acd73bee0), '\n')
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _17216)
   Exit: (219) [system] peek_char((0x563acd73bee0), '\t')
   Call: (219) [system] '\t'=(;)
   Fail: (219) [system] '\t'=(;)
   Call: (219) [system] '\t'=(/)
   Fail: (219) [system] '\t'=(/)
^  Call: (219) [user] is_like_space('\t')
   Call: (220) [system] char_type('\t', 'white')
   Exit: (220) [system] char_type('\t', 'white')
^  Exit: (219) [user] is_like_space('\t')
   Call: (219) [system] get_char((0x563acd73bee0), _26810)
   Exit: (219) [system] get_char((0x563acd73bee0), '\t')
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _29514)
   Exit: (220) [system] peek_char((0x563acd73bee0), '\t')
   Call: (220) [system] '\t'=(;)
   Fail: (220) [system] '\t'=(;)
   Call: (220) [system] '\t'=(/)
   Fail: (220) [system] '\t'=(/)
^  Call: (220) [user] is_like_space('\t')
   Call: (221) [system] char_type('\t', 'white')
   Exit: (221) [system] char_type('\t', 'white')
^  Exit: (220) [user] is_like_space('\t')
   Call: (220) [system] get_char((0x563acd73bee0), _39108)
   Exit: (220) [system] get_char((0x563acd73bee0), '\t')
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _41812)
   Exit: (221) [system] peek_char((0x563acd73bee0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x563acd73bee0), _51406)
   Exit: (221) [system] get_char((0x563acd73bee0), ' ')
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _54110)
   Exit: (222) [system] peek_char((0x563acd73bee0), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
   Call: (222) [system] '('=(/)
   Fail: (222) [system] '('=(/)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _73816)
   Exit: (217) [system] peek_char((0x563acd73bee0), '(')
   Call: (217) [system] '('=')'
   Fail: (217) [system] '('=')'
   Call: (217) [system] '('=end_of_file
   Fail: (217) [system] '('=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x563acd73bee0), _79386)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _81244)
   Exit: (219) [system] peek_char((0x563acd73bee0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] get_char((0x563acd73bee0), _97254)
   Exit: (218) [system] get_char((0x563acd73bee0), '(')
   Call: (218) [system] '('='('
   Exit: (218) [system] '('='('
^  Call: (218) [user] read_list(')', (0x563acd73bee0), _79386)
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _102824)
   Exit: (220) [system] peek_char((0x563acd73bee0), :)
   Call: (220) [system] (:)=(;)
   Fail: (220) [system] (:)=(;)
   Call: (220) [system] (:)=(/)
   Fail: (220) [system] (:)=(/)
^  Call: (220) [user] is_like_space(:)
   Call: (221) [system] char_type(:, 'white')
   Fail: (221) [system] char_type(:, 'white')
   Call: (221) [system] char_type(:, end_of_line)
   Fail: (221) [system] char_type(:, end_of_line)
   Call: (221) [system] char_type(:, space)
   Fail: (221) [system] char_type(:, space)
   Call: (221) [system] char_type(:, cntrl)
   Fail: (221) [system] char_type(:, cntrl)
^  Fail: (220) [user] is_like_space(:)
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _118834)
   Exit: (219) [system] peek_char((0x563acd73bee0), :)
   Call: (219) [system] (:)=')'
   Fail: (219) [system] (:)=')'
   Call: (219) [system] (:)=end_of_file
   Fail: (219) [system] (:)=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x563acd73bee0), _124404)
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _126262)
   Exit: (221) [system] peek_char((0x563acd73bee0), :)
   Call: (221) [system] (:)=(;)
   Fail: (221) [system] (:)=(;)
   Call: (221) [system] (:)=(/)
   Fail: (221) [system] (:)=(/)
^  Call: (221) [user] is_like_space(:)
   Call: (222) [system] char_type(:, 'white')
   Fail: (222) [system] char_type(:, 'white')
   Call: (222) [system] char_type(:, end_of_line)
   Fail: (222) [system] char_type(:, end_of_line)
   Call: (222) [system] char_type(:, space)
   Fail: (222) [system] char_type(:, space)
   Call: (222) [system] char_type(:, cntrl)
   Fail: (222) [system] char_type(:, cntrl)
^  Fail: (221) [user] is_like_space(:)
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] get_char((0x563acd73bee0), _142272)
   Exit: (220) [system] get_char((0x563acd73bee0), :)
   Call: (220) [system] (:)='('
   Fail: (220) [system] (:)='('
   Call: (220) [system] (:)='['
   Fail: (220) [system] (:)='['
   Call: (220) [system] (:)='{'
   Fail: (220) [system] (:)='{'
   Call: (220) [system] (:)='"'
   Fail: (220) [system] (:)='"'
   Call: (220) [system] (:)=!
   Fail: (220) [system] (:)=!
   Call: (220) [system] (:)='\''
   Fail: (220) [system] (:)='\''
   Call: (220) [system] (:)='`'
   Fail: (220) [system] (:)='`'
   Call: (220) [system] (:)=end_of_file
   Fail: (220) [system] (:)=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x563acd73bee0), :, _124404)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _159914)
   Call: (222) [system] peek_char((0x563acd73bee0), _160848)
   Exit: (222) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _159914=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (221) [user] classify_and_convert_charseq([:], _124404)
^  Call: (222) [user] classify_and_convert_charseq_([:], _170132)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_171084, _171086), once(user:catch(read_from_chars([:], _170132), _171066, fail)), '$restore_trace'(_171084, _171086))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_171084, _171086))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _171066, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(:)
   Exit: (223) [system] atomic(:)
^  Exit: (222) [user] classify_and_convert_charseq_([:], :)
   Call: (222) [system] integer(:)
   Fail: (222) [system] integer(:)
   Call: (222) [system] _124404=(:)
   Exit: (222) [system] (:)=(:)
^  Exit: (221) [user] classify_and_convert_charseq([:], :)
^  Exit: (220) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (219) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (219) [user] read_list(')', (0x563acd73bee0), _183212)
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _185070)
   Exit: (221) [system] peek_char((0x563acd73bee0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x563acd73bee0), _194664)
   Exit: (221) [system] get_char((0x563acd73bee0), ' ')
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _197368)
   Exit: (222) [system] peek_char((0x563acd73bee0), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
   Call: (222) [system] '('=(/)
   Fail: (222) [system] '('=(/)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _214302)
   Exit: (220) [system] peek_char((0x563acd73bee0), '(')
   Call: (220) [system] '('=')'
   Fail: (220) [system] '('=')'
   Call: (220) [system] '('=end_of_file
   Fail: (220) [system] '('=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x563acd73bee0), _219872)
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _221730)
   Exit: (222) [system] peek_char((0x563acd73bee0), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
   Call: (222) [system] '('=(/)
   Fail: (222) [system] '('=(/)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] get_char((0x563acd73bee0), _237740)
   Exit: (221) [system] get_char((0x563acd73bee0), '(')
   Call: (221) [system] '('='('
   Exit: (221) [system] '('='('
^  Call: (221) [user] read_list(')', (0x563acd73bee0), _219872)
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _243310)
   Exit: (223) [system] peek_char((0x563acd73bee0), 'D')
   Call: (223) [system] 'D'=(;)
   Fail: (223) [system] 'D'=(;)
   Call: (223) [system] 'D'=(/)
   Fail: (223) [system] 'D'=(/)
^  Call: (223) [user] is_like_space('D')
   Call: (224) [system] char_type('D', 'white')
   Fail: (224) [system] char_type('D', 'white')
   Call: (224) [system] char_type('D', end_of_line)
   Fail: (224) [system] char_type('D', end_of_line)
   Call: (224) [system] char_type('D', space)
   Fail: (224) [system] char_type('D', space)
   Call: (224) [system] char_type('D', cntrl)
   Fail: (224) [system] char_type('D', cntrl)
^  Fail: (223) [user] is_like_space('D')
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _259320)
   Exit: (222) [system] peek_char((0x563acd73bee0), 'D')
   Call: (222) [system] 'D'=')'
   Fail: (222) [system] 'D'=')'
   Call: (222) [system] 'D'=end_of_file
   Fail: (222) [system] 'D'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x563acd73bee0), _264890)
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _266748)
   Exit: (224) [system] peek_char((0x563acd73bee0), 'D')
   Call: (224) [system] 'D'=(;)
   Fail: (224) [system] 'D'=(;)
   Call: (224) [system] 'D'=(/)
   Fail: (224) [system] 'D'=(/)
^  Call: (224) [user] is_like_space('D')
   Call: (225) [system] char_type('D', 'white')
   Fail: (225) [system] char_type('D', 'white')
   Call: (225) [system] char_type('D', end_of_line)
   Fail: (225) [system] char_type('D', end_of_line)
   Call: (225) [system] char_type('D', space)
   Fail: (225) [system] char_type('D', space)
   Call: (225) [system] char_type('D', cntrl)
   Fail: (225) [system] char_type('D', cntrl)
^  Fail: (224) [user] is_like_space('D')
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] get_char((0x563acd73bee0), _282758)
   Exit: (223) [system] get_char((0x563acd73bee0), 'D')
   Call: (223) [system] 'D'='('
   Fail: (223) [system] 'D'='('
   Call: (223) [system] 'D'='['
   Fail: (223) [system] 'D'='['
   Call: (223) [system] 'D'='{'
   Fail: (223) [system] 'D'='{'
   Call: (223) [system] 'D'='"'
   Fail: (223) [system] 'D'='"'
   Call: (223) [system] 'D'=!
   Fail: (223) [system] 'D'=!
   Call: (223) [system] 'D'='\''
   Fail: (223) [system] 'D'='\''
   Call: (223) [system] 'D'='`'
   Fail: (223) [system] 'D'='`'
   Call: (223) [system] 'D'=end_of_file
   Fail: (223) [system] 'D'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x563acd73bee0), 'D', _264890)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _300400)
   Call: (225) [system] peek_char((0x563acd73bee0), _301334)
   Exit: (225) [system] peek_char((0x563acd73bee0), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_306054, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_306986, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x563acd73bee0), i)
   Exit: (225) [system] get_char((0x563acd73bee0), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _314336)
   Call: (226) [system] peek_char((0x563acd73bee0), _315270)
   Exit: (226) [system] peek_char((0x563acd73bee0), s)
^  Call: (226) [user] is_delimiter(s)
   Call: (227) [system] char_type(s, space)
   Fail: (227) [system] char_type(s, space)
   Call: (227) [system] arg(_319990, v('(', ')', end_of_file), s)
   Fail: (227) [system] arg(_320922, v('(', ')', end_of_file), s)
^  Fail: (226) [user] is_delimiter(s)
   Call: (226) [system] ')'==s
   Fail: (226) [system] ')'==s
   Call: (226) [system] get_char((0x563acd73bee0), s)
   Exit: (226) [system] get_char((0x563acd73bee0), s)
   Call: (226) [system] s=(\)
   Fail: (226) [system] s=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _328272)
   Call: (227) [system] peek_char((0x563acd73bee0), _329206)
   Exit: (227) [system] peek_char((0x563acd73bee0), j)
^  Call: (227) [user] is_delimiter(j)
   Call: (228) [system] char_type(j, space)
   Fail: (228) [system] char_type(j, space)
   Call: (228) [system] arg(_333926, v('(', ')', end_of_file), j)
   Fail: (228) [system] arg(_334858, v('(', ')', end_of_file), j)
^  Fail: (227) [user] is_delimiter(j)
   Call: (227) [system] ')'==j
   Fail: (227) [system] ')'==j
   Call: (227) [system] get_char((0x563acd73bee0), j)
   Exit: (227) [system] get_char((0x563acd73bee0), j)
   Call: (227) [system] j=(\)
   Fail: (227) [system] j=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _342208)
   Call: (228) [system] peek_char((0x563acd73bee0), _343142)
   Exit: (228) [system] peek_char((0x563acd73bee0), u)
^  Call: (228) [user] is_delimiter(u)
   Call: (229) [system] char_type(u, space)
   Fail: (229) [system] char_type(u, space)
   Call: (229) [system] arg(_347862, v('(', ')', end_of_file), u)
   Fail: (229) [system] arg(_348794, v('(', ')', end_of_file), u)
^  Fail: (228) [user] is_delimiter(u)
   Call: (228) [system] ')'==u
   Fail: (228) [system] ')'==u
   Call: (228) [system] get_char((0x563acd73bee0), u)
   Exit: (228) [system] get_char((0x563acd73bee0), u)
   Call: (228) [system] u=(\)
   Fail: (228) [system] u=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _356144)
   Call: (229) [system] peek_char((0x563acd73bee0), _357078)
   Exit: (229) [system] peek_char((0x563acd73bee0), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_361798, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_362730, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x563acd73bee0), n)
   Exit: (229) [system] get_char((0x563acd73bee0), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _370080)
   Call: (230) [system] peek_char((0x563acd73bee0), _371014)
   Exit: (230) [system] peek_char((0x563acd73bee0), c)
^  Call: (230) [user] is_delimiter(c)
   Call: (231) [system] char_type(c, space)
   Fail: (231) [system] char_type(c, space)
   Call: (231) [system] arg(_375734, v('(', ')', end_of_file), c)
   Fail: (231) [system] arg(_376666, v('(', ')', end_of_file), c)
^  Fail: (230) [user] is_delimiter(c)
   Call: (230) [system] ')'==c
   Fail: (230) [system] ')'==c
   Call: (230) [system] get_char((0x563acd73bee0), c)
   Exit: (230) [system] get_char((0x563acd73bee0), c)
   Call: (230) [system] c=(\)
   Fail: (230) [system] c=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _384016)
   Call: (231) [system] peek_char((0x563acd73bee0), _384950)
   Exit: (231) [system] peek_char((0x563acd73bee0), t)
^  Call: (231) [user] is_delimiter(t)
   Call: (232) [system] char_type(t, space)
   Fail: (232) [system] char_type(t, space)
   Call: (232) [system] arg(_389670, v('(', ')', end_of_file), t)
   Fail: (232) [system] arg(_390602, v('(', ')', end_of_file), t)
^  Fail: (231) [user] is_delimiter(t)
   Call: (231) [system] ')'==t
   Fail: (231) [system] ')'==t
   Call: (231) [system] get_char((0x563acd73bee0), t)
   Exit: (231) [system] get_char((0x563acd73bee0), t)
   Call: (231) [system] t=(\)
   Fail: (231) [system] t=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _397952)
   Call: (232) [system] peek_char((0x563acd73bee0), _398886)
   Exit: (232) [system] peek_char((0x563acd73bee0), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Fail: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_403606, v('(', ')', end_of_file), i)
   Fail: (233) [system] arg(_404538, v('(', ')', end_of_file), i)
^  Fail: (232) [user] is_delimiter(i)
   Call: (232) [system] ')'==i
   Fail: (232) [system] ')'==i
   Call: (232) [system] get_char((0x563acd73bee0), i)
   Exit: (232) [system] get_char((0x563acd73bee0), i)
   Call: (232) [system] i=(\)
   Fail: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _411888)
   Call: (233) [system] peek_char((0x563acd73bee0), _412822)
   Exit: (233) [system] peek_char((0x563acd73bee0), o)
^  Call: (233) [user] is_delimiter(o)
   Call: (234) [system] char_type(o, space)
   Fail: (234) [system] char_type(o, space)
   Call: (234) [system] arg(_417542, v('(', ')', end_of_file), o)
   Fail: (234) [system] arg(_418474, v('(', ')', end_of_file), o)
^  Fail: (233) [user] is_delimiter(o)
   Call: (233) [system] ')'==o
   Fail: (233) [system] ')'==o
   Call: (233) [system] get_char((0x563acd73bee0), o)
   Exit: (233) [system] get_char((0x563acd73bee0), o)
   Call: (233) [system] o=(\)
   Fail: (233) [system] o=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), _425824)
   Call: (234) [system] peek_char((0x563acd73bee0), _426758)
   Exit: (234) [system] peek_char((0x563acd73bee0), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Fail: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_431478, v('(', ')', end_of_file), n)
   Fail: (235) [system] arg(_432410, v('(', ')', end_of_file), n)
^  Fail: (234) [user] is_delimiter(n)
   Call: (234) [system] ')'==n
   Fail: (234) [system] ')'==n
   Call: (234) [system] get_char((0x563acd73bee0), n)
   Exit: (234) [system] get_char((0x563acd73bee0), n)
   Call: (234) [system] n=(\)
   Fail: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), _439760)
   Call: (235) [system] peek_char((0x563acd73bee0), _440694)
   Exit: (235) [system] peek_char((0x563acd73bee0), 'I')
^  Call: (235) [user] is_delimiter('I')
   Call: (236) [system] char_type('I', space)
   Fail: (236) [system] char_type('I', space)
   Call: (236) [system] arg(_445414, v('(', ')', end_of_file), 'I')
   Fail: (236) [system] arg(_446346, v('(', ')', end_of_file), 'I')
^  Fail: (235) [user] is_delimiter('I')
   Call: (235) [system] ')'=='I'
   Fail: (235) [system] ')'=='I'
   Call: (235) [system] get_char((0x563acd73bee0), 'I')
   Exit: (235) [system] get_char((0x563acd73bee0), 'I')
   Call: (235) [system] 'I'=(\)
   Fail: (235) [system] 'I'=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), _453696)
   Call: (236) [system] peek_char((0x563acd73bee0), _454630)
   Exit: (236) [system] peek_char((0x563acd73bee0), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Fail: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_459350, v('(', ')', end_of_file), n)
   Fail: (237) [system] arg(_460282, v('(', ')', end_of_file), n)
^  Fail: (236) [user] is_delimiter(n)
   Call: (236) [system] ')'==n
   Fail: (236) [system] ')'==n
   Call: (236) [system] get_char((0x563acd73bee0), n)
   Exit: (236) [system] get_char((0x563acd73bee0), n)
   Call: (236) [system] n=(\)
   Fail: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), _467632)
   Call: (237) [system] peek_char((0x563acd73bee0), _468566)
   Exit: (237) [system] peek_char((0x563acd73bee0), t)
^  Call: (237) [user] is_delimiter(t)
   Call: (238) [system] char_type(t, space)
   Fail: (238) [system] char_type(t, space)
   Call: (238) [system] arg(_473286, v('(', ')', end_of_file), t)
   Fail: (238) [system] arg(_474218, v('(', ')', end_of_file), t)
^  Fail: (237) [user] is_delimiter(t)
   Call: (237) [system] ')'==t
   Fail: (237) [system] ')'==t
   Call: (237) [system] get_char((0x563acd73bee0), t)
   Exit: (237) [system] get_char((0x563acd73bee0), t)
   Call: (237) [system] t=(\)
   Fail: (237) [system] t=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), _481568)
   Call: (238) [system] peek_char((0x563acd73bee0), _482502)
   Exit: (238) [system] peek_char((0x563acd73bee0), r)
^  Call: (238) [user] is_delimiter(r)
   Call: (239) [system] char_type(r, space)
   Fail: (239) [system] char_type(r, space)
   Call: (239) [system] arg(_487222, v('(', ')', end_of_file), r)
   Fail: (239) [system] arg(_488154, v('(', ')', end_of_file), r)
^  Fail: (238) [user] is_delimiter(r)
   Call: (238) [system] ')'==r
   Fail: (238) [system] ')'==r
   Call: (238) [system] get_char((0x563acd73bee0), r)
   Exit: (238) [system] get_char((0x563acd73bee0), r)
   Call: (238) [system] r=(\)
   Fail: (238) [system] r=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x563acd73bee0), _495504)
   Call: (239) [system] peek_char((0x563acd73bee0), _496438)
   Exit: (239) [system] peek_char((0x563acd73bee0), o)
^  Call: (239) [user] is_delimiter(o)
   Call: (240) [system] char_type(o, space)
   Fail: (240) [system] char_type(o, space)
   Call: (240) [system] arg(_501158, v('(', ')', end_of_file), o)
   Fail: (240) [system] arg(_502090, v('(', ')', end_of_file), o)
^  Fail: (239) [user] is_delimiter(o)
   Call: (239) [system] ')'==o
   Fail: (239) [system] ')'==o
   Call: (239) [system] get_char((0x563acd73bee0), o)
   Exit: (239) [system] get_char((0x563acd73bee0), o)
   Call: (239) [system] o=(\)
   Fail: (239) [system] o=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x563acd73bee0), _509440)
   Call: (240) [system] peek_char((0x563acd73bee0), _510374)
   Exit: (240) [system] peek_char((0x563acd73bee0), d)
^  Call: (240) [user] is_delimiter(d)
   Call: (241) [system] char_type(d, space)
   Fail: (241) [system] char_type(d, space)
   Call: (241) [system] arg(_515094, v('(', ')', end_of_file), d)
   Fail: (241) [system] arg(_516026, v('(', ')', end_of_file), d)
^  Fail: (240) [user] is_delimiter(d)
   Call: (240) [system] ')'==d
   Fail: (240) [system] ')'==d
   Call: (240) [system] get_char((0x563acd73bee0), d)
   Exit: (240) [system] get_char((0x563acd73bee0), d)
   Call: (240) [system] d=(\)
   Fail: (240) [system] d=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x563acd73bee0), _523376)
   Call: (241) [system] peek_char((0x563acd73bee0), _524310)
   Exit: (241) [system] peek_char((0x563acd73bee0), u)
^  Call: (241) [user] is_delimiter(u)
   Call: (242) [system] char_type(u, space)
   Fail: (242) [system] char_type(u, space)
   Call: (242) [system] arg(_529030, v('(', ')', end_of_file), u)
   Fail: (242) [system] arg(_529962, v('(', ')', end_of_file), u)
^  Fail: (241) [user] is_delimiter(u)
   Call: (241) [system] ')'==u
   Fail: (241) [system] ')'==u
   Call: (241) [system] get_char((0x563acd73bee0), u)
   Exit: (241) [system] get_char((0x563acd73bee0), u)
   Call: (241) [system] u=(\)
   Fail: (241) [system] u=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x563acd73bee0), _537312)
   Call: (242) [system] peek_char((0x563acd73bee0), _538246)
   Exit: (242) [system] peek_char((0x563acd73bee0), c)
^  Call: (242) [user] is_delimiter(c)
   Call: (243) [system] char_type(c, space)
   Fail: (243) [system] char_type(c, space)
   Call: (243) [system] arg(_542966, v('(', ')', end_of_file), c)
   Fail: (243) [system] arg(_543898, v('(', ')', end_of_file), c)
^  Fail: (242) [user] is_delimiter(c)
   Call: (242) [system] ')'==c
   Fail: (242) [system] ')'==c
   Call: (242) [system] get_char((0x563acd73bee0), c)
   Exit: (242) [system] get_char((0x563acd73bee0), c)
   Call: (242) [system] c=(\)
   Fail: (242) [system] c=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x563acd73bee0), _551248)
   Call: (243) [system] peek_char((0x563acd73bee0), _552182)
   Exit: (243) [system] peek_char((0x563acd73bee0), t)
^  Call: (243) [user] is_delimiter(t)
   Call: (244) [system] char_type(t, space)
   Fail: (244) [system] char_type(t, space)
   Call: (244) [system] arg(_556902, v('(', ')', end_of_file), t)
   Fail: (244) [system] arg(_557834, v('(', ')', end_of_file), t)
^  Fail: (243) [user] is_delimiter(t)
   Call: (243) [system] ')'==t
   Fail: (243) [system] ')'==t
   Call: (243) [system] get_char((0x563acd73bee0), t)
   Exit: (243) [system] get_char((0x563acd73bee0), t)
   Call: (243) [system] t=(\)
   Fail: (243) [system] t=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x563acd73bee0), _565184)
   Call: (244) [system] peek_char((0x563acd73bee0), _566118)
   Exit: (244) [system] peek_char((0x563acd73bee0), i)
^  Call: (244) [user] is_delimiter(i)
   Call: (245) [system] char_type(i, space)
   Fail: (245) [system] char_type(i, space)
   Call: (245) [system] arg(_570838, v('(', ')', end_of_file), i)
   Fail: (245) [system] arg(_571770, v('(', ')', end_of_file), i)
^  Fail: (244) [user] is_delimiter(i)
   Call: (244) [system] ')'==i
   Fail: (244) [system] ')'==i
   Call: (244) [system] get_char((0x563acd73bee0), i)
   Exit: (244) [system] get_char((0x563acd73bee0), i)
   Call: (244) [system] i=(\)
   Fail: (244) [system] i=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x563acd73bee0), _579120)
   Call: (245) [system] peek_char((0x563acd73bee0), _580054)
   Exit: (245) [system] peek_char((0x563acd73bee0), o)
^  Call: (245) [user] is_delimiter(o)
   Call: (246) [system] char_type(o, space)
   Fail: (246) [system] char_type(o, space)
   Call: (246) [system] arg(_584774, v('(', ')', end_of_file), o)
   Fail: (246) [system] arg(_585706, v('(', ')', end_of_file), o)
^  Fail: (245) [user] is_delimiter(o)
   Call: (245) [system] ')'==o
   Fail: (245) [system] ')'==o
   Call: (245) [system] get_char((0x563acd73bee0), o)
   Exit: (245) [system] get_char((0x563acd73bee0), o)
   Call: (245) [system] o=(\)
   Fail: (245) [system] o=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x563acd73bee0), _593056)
   Call: (246) [system] peek_char((0x563acd73bee0), _593990)
   Exit: (246) [system] peek_char((0x563acd73bee0), n)
^  Call: (246) [user] is_delimiter(n)
   Call: (247) [system] char_type(n, space)
   Fail: (247) [system] char_type(n, space)
   Call: (247) [system] arg(_598710, v('(', ')', end_of_file), n)
   Fail: (247) [system] arg(_599642, v('(', ')', end_of_file), n)
^  Fail: (246) [user] is_delimiter(n)
   Call: (246) [system] ')'==n
   Fail: (246) [system] ')'==n
   Call: (246) [system] get_char((0x563acd73bee0), n)
   Exit: (246) [system] get_char((0x563acd73bee0), n)
   Call: (246) [system] n=(\)
   Fail: (246) [system] n=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x563acd73bee0), _606992)
   Call: (247) [system] peek_char((0x563acd73bee0), _607926)
   Exit: (247) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (247) [user] is_delimiter(' ')
   Call: (248) [system] char_type(' ', space)
   Exit: (248) [system] char_type(' ', space)
^  Exit: (247) [user] is_delimiter(' ')
   Call: (247) [system] _606992=[]
   Exit: (247) [system] []=[]
^  Exit: (246) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (246) [system] _593056=[n]
   Exit: (246) [system] [n]=[n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (245) [system] _579120=[o, n]
   Exit: (245) [system] [o, n]=[o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (244) [system] _565184=[i, o, n]
   Exit: (244) [system] [i, o, n]=[i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (243) [system] _551248=[t, i, o, n]
   Exit: (243) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (242) [system] _537312=[c, t, i, o, n]
   Exit: (242) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n])
   Call: (241) [system] _523376=[u, c, t, i, o, n]
   Exit: (241) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, i, o, n])
   Call: (240) [system] _509440=[d, u, c, t, i, o, n]
   Exit: (240) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, u, c, t, i, o, n])
   Call: (239) [system] _495504=[o, d, u, c, t, i, o, n]
   Exit: (239) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, d, u, c, t, i, o, n])
   Call: (238) [system] _481568=[r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _467632=[t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _453696=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _439760=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _425824=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _411888=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _397952=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _384016=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _370080=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _356144=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _342208=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _328272=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _314336=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _300400=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (224) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _264890)
^  Call: (225) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _678678)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_679630, _679632), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _678678), _679612, fail)), '$restore_trace'(_679630, _679632))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_679630, _679632))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _678678), _679612, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_678678)
   Fail: (226) [system] atomic(_678678)
   Call: (226) [system] atom_chars(_678678, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (226) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (225) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (225) [system] integer('DisjunctionIntroduction')
   Fail: (225) [system] integer('DisjunctionIntroduction')
   Call: (225) [system] _264890='DisjunctionIntroduction'
   Exit: (225) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (224) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (223) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'DisjunctionIntroduction')
^  Exit: (222) [user] cont_sexpr(')', (0x563acd73bee0), 'DisjunctionIntroduction')
^  Call: (222) [user] read_list(')', (0x563acd73bee0), _693628)
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _695486)
   Exit: (224) [system] peek_char((0x563acd73bee0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x563acd73bee0), _705080)
   Exit: (224) [system] get_char((0x563acd73bee0), ' ')
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _707784)
   Exit: (225) [system] peek_char((0x563acd73bee0), a)
   Call: (225) [system] a=(;)
   Fail: (225) [system] a=(;)
   Call: (225) [system] a=(/)
   Fail: (225) [system] a=(/)
^  Call: (225) [user] is_like_space(a)
   Call: (226) [system] char_type(a, 'white')
   Fail: (226) [system] char_type(a, 'white')
   Call: (226) [system] char_type(a, end_of_line)
   Fail: (226) [system] char_type(a, end_of_line)
   Call: (226) [system] char_type(a, space)
   Fail: (226) [system] char_type(a, space)
   Call: (226) [system] char_type(a, cntrl)
   Fail: (226) [system] char_type(a, cntrl)
^  Fail: (225) [user] is_like_space(a)
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _724718)
   Exit: (223) [system] peek_char((0x563acd73bee0), a)
   Call: (223) [system] a=')'
   Fail: (223) [system] a=')'
   Call: (223) [system] a=end_of_file
   Fail: (223) [system] a=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x563acd73bee0), _730288)
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _732146)
   Exit: (225) [system] peek_char((0x563acd73bee0), a)
   Call: (225) [system] a=(;)
   Fail: (225) [system] a=(;)
   Call: (225) [system] a=(/)
   Fail: (225) [system] a=(/)
^  Call: (225) [user] is_like_space(a)
   Call: (226) [system] char_type(a, 'white')
   Fail: (226) [system] char_type(a, 'white')
   Call: (226) [system] char_type(a, end_of_line)
   Fail: (226) [system] char_type(a, end_of_line)
   Call: (226) [system] char_type(a, space)
   Fail: (226) [system] char_type(a, space)
   Call: (226) [system] char_type(a, cntrl)
   Fail: (226) [system] char_type(a, cntrl)
^  Fail: (225) [user] is_like_space(a)
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] get_char((0x563acd73bee0), _748156)
   Exit: (224) [system] get_char((0x563acd73bee0), a)
   Call: (224) [system] a='('
   Fail: (224) [system] a='('
   Call: (224) [system] a='['
   Fail: (224) [system] a='['
   Call: (224) [system] a='{'
   Fail: (224) [system] a='{'
   Call: (224) [system] a='"'
   Fail: (224) [system] a='"'
   Call: (224) [system] a=!
   Fail: (224) [system] a=!
   Call: (224) [system] a='\''
   Fail: (224) [system] a='\''
   Call: (224) [system] a='`'
   Fail: (224) [system] a='`'
   Call: (224) [system] a=end_of_file
   Fail: (224) [system] a=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x563acd73bee0), a, _730288)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _765798)
   Call: (226) [system] peek_char((0x563acd73bee0), _766732)
   Exit: (226) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _765798=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (225) [user] classify_and_convert_charseq([a], _730288)
^  Call: (226) [user] classify_and_convert_charseq_([a], _776016)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_776968, _776970), once(user:catch(read_from_chars([a], _776016), _776950, fail)), '$restore_trace'(_776968, _776970))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_776968, _776970))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _776950, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(a)
   Exit: (227) [system] atomic(a)
^  Exit: (226) [user] classify_and_convert_charseq_([a], a)
   Call: (226) [system] integer(a)
   Fail: (226) [system] integer(a)
   Call: (226) [system] _730288=a
   Exit: (226) [system] a=a
^  Exit: (225) [user] classify_and_convert_charseq([a], a)
^  Exit: (224) [user] read_symbolic(')', (0x563acd73bee0), a, a)
^  Exit: (223) [user] cont_sexpr(')', (0x563acd73bee0), a)
^  Call: (223) [user] read_list(')', (0x563acd73bee0), _789096)
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _790954)
   Exit: (225) [system] peek_char((0x563acd73bee0), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x563acd73bee0), _800548)
   Exit: (225) [system] get_char((0x563acd73bee0), ' ')
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _803252)
   Exit: (226) [system] peek_char((0x563acd73bee0), a)
   Call: (226) [system] a=(;)
   Fail: (226) [system] a=(;)
   Call: (226) [system] a=(/)
   Fail: (226) [system] a=(/)
^  Call: (226) [user] is_like_space(a)
   Call: (227) [system] char_type(a, 'white')
   Fail: (227) [system] char_type(a, 'white')
   Call: (227) [system] char_type(a, end_of_line)
   Fail: (227) [system] char_type(a, end_of_line)
   Call: (227) [system] char_type(a, space)
   Fail: (227) [system] char_type(a, space)
   Call: (227) [system] char_type(a, cntrl)
   Fail: (227) [system] char_type(a, cntrl)
^  Fail: (226) [user] is_like_space(a)
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _820186)
   Exit: (224) [system] peek_char((0x563acd73bee0), a)
   Call: (224) [system] a=')'
   Fail: (224) [system] a=')'
   Call: (224) [system] a=end_of_file
   Fail: (224) [system] a=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x563acd73bee0), _825756)
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _827614)
   Exit: (226) [system] peek_char((0x563acd73bee0), a)
   Call: (226) [system] a=(;)
   Fail: (226) [system] a=(;)
   Call: (226) [system] a=(/)
   Fail: (226) [system] a=(/)
^  Call: (226) [user] is_like_space(a)
   Call: (227) [system] char_type(a, 'white')
   Fail: (227) [system] char_type(a, 'white')
   Call: (227) [system] char_type(a, end_of_line)
   Fail: (227) [system] char_type(a, end_of_line)
   Call: (227) [system] char_type(a, space)
   Fail: (227) [system] char_type(a, space)
   Call: (227) [system] char_type(a, cntrl)
   Fail: (227) [system] char_type(a, cntrl)
^  Fail: (226) [user] is_like_space(a)
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] get_char((0x563acd73bee0), _843624)
   Exit: (225) [system] get_char((0x563acd73bee0), a)
   Call: (225) [system] a='('
   Fail: (225) [system] a='('
   Call: (225) [system] a='['
   Fail: (225) [system] a='['
   Call: (225) [system] a='{'
   Fail: (225) [system] a='{'
   Call: (225) [system] a='"'
   Fail: (225) [system] a='"'
   Call: (225) [system] a=!
   Fail: (225) [system] a=!
   Call: (225) [system] a='\''
   Fail: (225) [system] a='\''
   Call: (225) [system] a='`'
   Fail: (225) [system] a='`'
   Call: (225) [system] a=end_of_file
   Fail: (225) [system] a=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x563acd73bee0), a, _825756)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _861266)
   Call: (227) [system] peek_char((0x563acd73bee0), _862200)
   Exit: (227) [system] peek_char((0x563acd73bee0), b)
^  Call: (227) [user] is_delimiter(b)
   Call: (228) [system] char_type(b, space)
   Fail: (228) [system] char_type(b, space)
   Call: (228) [system] arg(_866920, v('(', ')', end_of_file), b)
   Fail: (228) [system] arg(_867852, v('(', ')', end_of_file), b)
^  Fail: (227) [user] is_delimiter(b)
   Call: (227) [system] ')'==b
   Fail: (227) [system] ')'==b
   Call: (227) [system] get_char((0x563acd73bee0), b)
   Exit: (227) [system] get_char((0x563acd73bee0), b)
   Call: (227) [system] b=(\)
   Fail: (227) [system] b=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _875202)
   Call: (228) [system] peek_char((0x563acd73bee0), _876136)
   Exit: (228) [system] peek_char((0x563acd73bee0), c)
^  Call: (228) [user] is_delimiter(c)
   Call: (229) [system] char_type(c, space)
   Fail: (229) [system] char_type(c, space)
   Call: (229) [system] arg(_880856, v('(', ')', end_of_file), c)
   Fail: (229) [system] arg(_881788, v('(', ')', end_of_file), c)
^  Fail: (228) [user] is_delimiter(c)
   Call: (228) [system] ')'==c
   Fail: (228) [system] ')'==c
   Call: (228) [system] get_char((0x563acd73bee0), c)
   Exit: (228) [system] get_char((0x563acd73bee0), c)
   Call: (228) [system] c=(\)
   Fail: (228) [system] c=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _889138)
   Call: (229) [system] peek_char((0x563acd73bee0), _890072)
   Exit: (229) [system] peek_char((0x563acd73bee0), ')')
^  Call: (229) [user] is_delimiter(')')
   Call: (230) [system] char_type(')', space)
   Fail: (230) [system] char_type(')', space)
   Call: (230) [system] arg(_894792, v('(', ')', end_of_file), ')')
   Exit: (230) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (229) [user] is_delimiter(')')
   Call: (229) [system] _889138=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (228) [system] _875202=[c]
   Exit: (228) [system] [c]=[c]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [c])
   Call: (227) [system] _861266=[b, c]
   Exit: (227) [system] [b, c]=[b, c]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [b, c])
^  Call: (226) [user] classify_and_convert_charseq([a, b, c], _825756)
^  Call: (227) [user] classify_and_convert_charseq_([a, b, c], _906816)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_907768, _907770), once(user:catch(read_from_chars([a, b, c], _906816), _907750, fail)), '$restore_trace'(_907768, _907770))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_907768, _907770))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _907750, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(abc)
   Exit: (228) [system] atomic(abc)
^  Exit: (227) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (227) [system] integer(abc)
   Fail: (227) [system] integer(abc)
   Call: (227) [system] _825756=abc
   Exit: (227) [system] abc=abc
^  Exit: (226) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (225) [user] read_symbolic(')', (0x563acd73bee0), a, abc)
^  Exit: (224) [user] cont_sexpr(')', (0x563acd73bee0), abc)
^  Call: (224) [user] read_list(')', (0x563acd73bee0), _919896)
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _921754)
   Exit: (226) [system] peek_char((0x563acd73bee0), ')')
   Call: (226) [system] ')'=(;)
   Fail: (226) [system] ')'=(;)
   Call: (226) [system] ')'=(/)
   Fail: (226) [system] ')'=(/)
^  Call: (226) [user] is_like_space(')')
   Call: (227) [system] char_type(')', 'white')
   Fail: (227) [system] char_type(')', 'white')
   Call: (227) [system] char_type(')', end_of_line)
   Fail: (227) [system] char_type(')', end_of_line)
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] char_type(')', cntrl)
   Fail: (227) [system] char_type(')', cntrl)
^  Fail: (226) [user] is_like_space(')')
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _937764)
   Exit: (225) [system] peek_char((0x563acd73bee0), ')')
   Call: (225) [system] ')'=')'
   Exit: (225) [system] ')'=')'
   Call: (225) [system] get_char((0x563acd73bee0), _941554)
   Exit: (225) [system] get_char((0x563acd73bee0), ')')
   Call: (225) [system] _919896=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_list(')', (0x563acd73bee0), [])
   Call: (224) [system] _789096=[abc]
   Exit: (224) [system] [abc]=[abc]
^  Exit: (223) [user] read_list(')', (0x563acd73bee0), [abc])
   Call: (223) [system] _693628=[a, abc]
   Exit: (223) [system] [a, abc]=[a, abc]
^  Exit: (222) [user] read_list(')', (0x563acd73bee0), [a, abc])
   Call: (222) [system] _219872=['DisjunctionIntroduction', a, abc]
   Exit: (222) [system] ['DisjunctionIntroduction', a, abc]=['DisjunctionIntroduction', a, abc]
^  Exit: (221) [user] read_list(')', (0x563acd73bee0), ['DisjunctionIntroduction', a, abc])
^  Exit: (220) [user] cont_sexpr(')', (0x563acd73bee0), ['DisjunctionIntroduction', a, abc])
^  Call: (220) [user] read_list(')', (0x563acd73bee0), _955436)
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _957294)
   Exit: (222) [system] peek_char((0x563acd73bee0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x563acd73bee0), _966888)
   Exit: (222) [system] get_char((0x563acd73bee0), ' ')
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _969592)
   Exit: (223) [system] peek_char((0x563acd73bee0), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
   Call: (223) [system] '('=(/)
   Fail: (223) [system] '('=(/)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _986526)
   Exit: (221) [system] peek_char((0x563acd73bee0), '(')
   Call: (221) [system] '('=')'
   Fail: (221) [system] '('=')'
   Call: (221) [system] '('=end_of_file
   Fail: (221) [system] '('=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x563acd73bee0), _992096)
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _993954)
   Exit: (223) [system] peek_char((0x563acd73bee0), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
   Call: (223) [system] '('=(/)
   Fail: (223) [system] '('=(/)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] get_char((0x563acd73bee0), _1009964)
   Exit: (222) [system] get_char((0x563acd73bee0), '(')
   Call: (222) [system] '('='('
   Exit: (222) [system] '('='('
^  Call: (222) [user] read_list(')', (0x563acd73bee0), _992096)
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _1015534)
   Exit: (224) [system] peek_char((0x563acd73bee0), 'O')
   Call: (224) [system] 'O'=(;)
   Fail: (224) [system] 'O'=(;)
   Call: (224) [system] 'O'=(/)
   Fail: (224) [system] 'O'=(/)
^  Call: (224) [user] is_like_space('O')
   Call: (225) [system] char_type('O', 'white')
   Fail: (225) [system] char_type('O', 'white')
   Call: (225) [system] char_type('O', end_of_line)
   Fail: (225) [system] char_type('O', end_of_line)
   Call: (225) [system] char_type('O', space)
   Fail: (225) [system] char_type('O', space)
   Call: (225) [system] char_type('O', cntrl)
   Fail: (225) [system] char_type('O', cntrl)
^  Fail: (224) [user] is_like_space('O')
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _1031544)
   Exit: (223) [system] peek_char((0x563acd73bee0), 'O')
   Call: (223) [system] 'O'=')'
   Fail: (223) [system] 'O'=')'
   Call: (223) [system] 'O'=end_of_file
   Fail: (223) [system] 'O'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x563acd73bee0), _1037114)
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _1038972)
   Exit: (225) [system] peek_char((0x563acd73bee0), 'O')
   Call: (225) [system] 'O'=(;)
   Fail: (225) [system] 'O'=(;)
   Call: (225) [system] 'O'=(/)
   Fail: (225) [system] 'O'=(/)
^  Call: (225) [user] is_like_space('O')
   Call: (226) [system] char_type('O', 'white')
   Fail: (226) [system] char_type('O', 'white')
   Call: (226) [system] char_type('O', end_of_line)
   Fail: (226) [system] char_type('O', end_of_line)
   Call: (226) [system] char_type('O', space)
   Fail: (226) [system] char_type('O', space)
   Call: (226) [system] char_type('O', cntrl)
   Fail: (226) [system] char_type('O', cntrl)
^  Fail: (225) [user] is_like_space('O')
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] get_char((0x563acd73bee0), _1054982)
   Exit: (224) [system] get_char((0x563acd73bee0), 'O')
   Call: (224) [system] 'O'='('
   Fail: (224) [system] 'O'='('
   Call: (224) [system] 'O'='['
   Fail: (224) [system] 'O'='['
   Call: (224) [system] 'O'='{'
   Fail: (224) [system] 'O'='{'
   Call: (224) [system] 'O'='"'
   Fail: (224) [system] 'O'='"'
   Call: (224) [system] 'O'=!
   Fail: (224) [system] 'O'=!
   Call: (224) [system] 'O'='\''
   Fail: (224) [system] 'O'='\''
   Call: (224) [system] 'O'='`'
   Fail: (224) [system] 'O'='`'
   Call: (224) [system] 'O'=end_of_file
   Fail: (224) [system] 'O'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x563acd73bee0), 'O', _1037114)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _1072624)
   Call: (226) [system] peek_char((0x563acd73bee0), _1073558)
   Exit: (226) [system] peek_char((0x563acd73bee0), r)
^  Call: (226) [user] is_delimiter(r)
   Call: (227) [system] char_type(r, space)
   Fail: (227) [system] char_type(r, space)
   Call: (227) [system] arg(_1078278, v('(', ')', end_of_file), r)
   Fail: (227) [system] arg(_1079210, v('(', ')', end_of_file), r)
^  Fail: (226) [user] is_delimiter(r)
   Call: (226) [system] ')'==r
   Fail: (226) [system] ')'==r
   Call: (226) [system] get_char((0x563acd73bee0), r)
   Exit: (226) [system] get_char((0x563acd73bee0), r)
   Call: (226) [system] r=(\)
   Fail: (226) [system] r=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _1086560)
   Call: (227) [system] peek_char((0x563acd73bee0), _1087494)
   Exit: (227) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (227) [user] is_delimiter('L')
   Call: (228) [system] char_type('L', space)
   Fail: (228) [system] char_type('L', space)
   Call: (228) [system] arg(_1092214, v('(', ')', end_of_file), 'L')
   Fail: (228) [system] arg(_1093146, v('(', ')', end_of_file), 'L')
^  Fail: (227) [user] is_delimiter('L')
   Call: (227) [system] ')'=='L'
   Fail: (227) [system] ')'=='L'
   Call: (227) [system] get_char((0x563acd73bee0), 'L')
   Exit: (227) [system] get_char((0x563acd73bee0), 'L')
   Call: (227) [system] 'L'=(\)
   Fail: (227) [system] 'L'=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _1100496)
   Call: (228) [system] peek_char((0x563acd73bee0), _1101430)
   Exit: (228) [system] peek_char((0x563acd73bee0), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_1106150, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_1107082, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x563acd73bee0), i)
   Exit: (228) [system] get_char((0x563acd73bee0), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _1114432)
   Call: (229) [system] peek_char((0x563acd73bee0), _1115366)
   Exit: (229) [system] peek_char((0x563acd73bee0), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_1120086, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_1121018, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x563acd73bee0), n)
   Exit: (229) [system] get_char((0x563acd73bee0), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _1128368)
   Call: (230) [system] peek_char((0x563acd73bee0), _1129302)
   Exit: (230) [system] peek_char((0x563acd73bee0), k)
^  Call: (230) [user] is_delimiter(k)
   Call: (231) [system] char_type(k, space)
   Fail: (231) [system] char_type(k, space)
   Call: (231) [system] arg(_1134022, v('(', ')', end_of_file), k)
   Fail: (231) [system] arg(_1134954, v('(', ')', end_of_file), k)
^  Fail: (230) [user] is_delimiter(k)
   Call: (230) [system] ')'==k
   Fail: (230) [system] ')'==k
   Call: (230) [system] get_char((0x563acd73bee0), k)
   Exit: (230) [system] get_char((0x563acd73bee0), k)
   Call: (230) [system] k=(\)
   Fail: (230) [system] k=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _1142304)
   Call: (231) [system] peek_char((0x563acd73bee0), _1143238)
   Exit: (231) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _1142304=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (230) [system] _1128368=[k]
   Exit: (230) [system] [k]=[k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (229) [system] _1114432=[n, k]
   Exit: (229) [system] [n, k]=[n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (228) [system] _1100496=[i, n, k]
   Exit: (228) [system] [i, n, k]=[i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (227) [system] _1086560=['L', i, n, k]
   Exit: (227) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (226) [system] _1072624=[r, 'L', i, n, k]
   Exit: (226) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (225) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1037114)
^  Call: (226) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1166492)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_1167444, _1167446), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1166492), _1167426, fail)), '$restore_trace'(_1167444, _1167446))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_1167444, _1167446))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1166492), _1167426, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_1166492)
   Fail: (227) [system] atomic(_1166492)
   Call: (227) [system] atom_chars(_1166492, ['O', r, 'L', i, n, k])
   Exit: (227) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (226) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (226) [system] integer('OrLink')
   Fail: (226) [system] integer('OrLink')
   Call: (226) [system] _1037114='OrLink'
   Exit: (226) [system] 'OrLink'='OrLink'
^  Exit: (225) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (224) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (223) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (223) [user] read_list(')', (0x563acd73bee0), _1181442)
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _1183300)
   Exit: (225) [system] peek_char((0x563acd73bee0), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x563acd73bee0), _1192894)
   Exit: (225) [system] get_char((0x563acd73bee0), ' ')
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _1195598)
   Exit: (226) [system] peek_char((0x563acd73bee0), 'A')
   Call: (226) [system] 'A'=(;)
   Fail: (226) [system] 'A'=(;)
   Call: (226) [system] 'A'=(/)
   Fail: (226) [system] 'A'=(/)
^  Call: (226) [user] is_like_space('A')
   Call: (227) [system] char_type('A', 'white')
   Fail: (227) [system] char_type('A', 'white')
   Call: (227) [system] char_type('A', end_of_line)
   Fail: (227) [system] char_type('A', end_of_line)
   Call: (227) [system] char_type('A', space)
   Fail: (227) [system] char_type('A', space)
   Call: (227) [system] char_type('A', cntrl)
   Fail: (227) [system] char_type('A', cntrl)
^  Fail: (226) [user] is_like_space('A')
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _1212532)
   Exit: (224) [system] peek_char((0x563acd73bee0), 'A')
   Call: (224) [system] 'A'=')'
   Fail: (224) [system] 'A'=')'
   Call: (224) [system] 'A'=end_of_file
   Fail: (224) [system] 'A'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x563acd73bee0), _1218102)
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _1219960)
   Exit: (226) [system] peek_char((0x563acd73bee0), 'A')
   Call: (226) [system] 'A'=(;)
   Fail: (226) [system] 'A'=(;)
   Call: (226) [system] 'A'=(/)
   Fail: (226) [system] 'A'=(/)
^  Call: (226) [user] is_like_space('A')
   Call: (227) [system] char_type('A', 'white')
   Fail: (227) [system] char_type('A', 'white')
   Call: (227) [system] char_type('A', end_of_line)
   Fail: (227) [system] char_type('A', end_of_line)
   Call: (227) [system] char_type('A', space)
   Fail: (227) [system] char_type('A', space)
   Call: (227) [system] char_type('A', cntrl)
   Fail: (227) [system] char_type('A', cntrl)
^  Fail: (226) [user] is_like_space('A')
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] get_char((0x563acd73bee0), _1235970)
   Exit: (225) [system] get_char((0x563acd73bee0), 'A')
   Call: (225) [system] 'A'='('
   Fail: (225) [system] 'A'='('
   Call: (225) [system] 'A'='['
   Fail: (225) [system] 'A'='['
   Call: (225) [system] 'A'='{'
   Fail: (225) [system] 'A'='{'
   Call: (225) [system] 'A'='"'
   Fail: (225) [system] 'A'='"'
   Call: (225) [system] 'A'=!
   Fail: (225) [system] 'A'=!
   Call: (225) [system] 'A'='\''
   Fail: (225) [system] 'A'='\''
   Call: (225) [system] 'A'='`'
   Fail: (225) [system] 'A'='`'
   Call: (225) [system] 'A'=end_of_file
   Fail: (225) [system] 'A'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x563acd73bee0), 'A', _1218102)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _1253612)
   Call: (227) [system] peek_char((0x563acd73bee0), _1254546)
   Exit: (227) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _1253612=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (226) [user] classify_and_convert_charseq(['A'], _1218102)
^  Call: (227) [user] classify_and_convert_charseq_(['A'], _1263830)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1264782, _1264784), once(user:catch(read_from_chars(['A'], _1263830), _1264764, fail)), '$restore_trace'(_1264782, _1264784))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1264782, _1264784))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1263830), _1264764, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_1263830)
   Fail: (228) [system] atomic(_1263830)
   Call: (228) [system] atom_chars(_1263830, ['A'])
   Exit: (228) [system] atom_chars('A', ['A'])
^  Exit: (227) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (227) [system] integer('A')
   Fail: (227) [system] integer('A')
   Call: (227) [system] _1218102='A'
   Exit: (227) [system] 'A'='A'
^  Exit: (226) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (225) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (224) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (224) [user] read_list(')', (0x563acd73bee0), _1278780)
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _1280638)
   Exit: (226) [system] peek_char((0x563acd73bee0), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x563acd73bee0), _1290232)
   Exit: (226) [system] get_char((0x563acd73bee0), ' ')
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _1292936)
   Exit: (227) [system] peek_char((0x563acd73bee0), '(')
   Call: (227) [system] '('=(;)
   Fail: (227) [system] '('=(;)
   Call: (227) [system] '('=(/)
   Fail: (227) [system] '('=(/)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Fail: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Fail: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Fail: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
   Fail: (228) [system] char_type('(', cntrl)
^  Fail: (227) [user] is_like_space('(')
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _1309870)
   Exit: (225) [system] peek_char((0x563acd73bee0), '(')
   Call: (225) [system] '('=')'
   Fail: (225) [system] '('=')'
   Call: (225) [system] '('=end_of_file
   Fail: (225) [system] '('=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x563acd73bee0), _1315440)
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _1317298)
   Exit: (227) [system] peek_char((0x563acd73bee0), '(')
   Call: (227) [system] '('=(;)
   Fail: (227) [system] '('=(;)
   Call: (227) [system] '('=(/)
   Fail: (227) [system] '('=(/)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Fail: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Fail: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Fail: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
   Fail: (228) [system] char_type('(', cntrl)
^  Fail: (227) [user] is_like_space('(')
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] get_char((0x563acd73bee0), _1333308)
   Exit: (226) [system] get_char((0x563acd73bee0), '(')
   Call: (226) [system] '('='('
   Exit: (226) [system] '('='('
^  Call: (226) [user] read_list(')', (0x563acd73bee0), _1315440)
^  Call: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _1338878)
   Exit: (228) [system] peek_char((0x563acd73bee0), 'I')
   Call: (228) [system] 'I'=(;)
   Fail: (228) [system] 'I'=(;)
   Call: (228) [system] 'I'=(/)
   Fail: (228) [system] 'I'=(/)
^  Call: (228) [user] is_like_space('I')
   Call: (229) [system] char_type('I', 'white')
   Fail: (229) [system] char_type('I', 'white')
   Call: (229) [system] char_type('I', end_of_line)
   Fail: (229) [system] char_type('I', end_of_line)
   Call: (229) [system] char_type('I', space)
   Fail: (229) [system] char_type('I', space)
   Call: (229) [system] char_type('I', cntrl)
   Fail: (229) [system] char_type('I', cntrl)
^  Fail: (228) [user] is_like_space('I')
^  Exit: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _1354888)
   Exit: (227) [system] peek_char((0x563acd73bee0), 'I')
   Call: (227) [system] 'I'=')'
   Fail: (227) [system] 'I'=')'
   Call: (227) [system] 'I'=end_of_file
   Fail: (227) [system] 'I'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x563acd73bee0), _1360458)
^  Call: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] peek_char((0x563acd73bee0), _1362316)
   Exit: (229) [system] peek_char((0x563acd73bee0), 'I')
   Call: (229) [system] 'I'=(;)
   Fail: (229) [system] 'I'=(;)
   Call: (229) [system] 'I'=(/)
   Fail: (229) [system] 'I'=(/)
^  Call: (229) [user] is_like_space('I')
   Call: (230) [system] char_type('I', 'white')
   Fail: (230) [system] char_type('I', 'white')
   Call: (230) [system] char_type('I', end_of_line)
   Fail: (230) [system] char_type('I', end_of_line)
   Call: (230) [system] char_type('I', space)
   Fail: (230) [system] char_type('I', space)
   Call: (230) [system] char_type('I', cntrl)
   Fail: (230) [system] char_type('I', cntrl)
^  Fail: (229) [user] is_like_space('I')
^  Exit: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] get_char((0x563acd73bee0), _1378326)
   Exit: (228) [system] get_char((0x563acd73bee0), 'I')
   Call: (228) [system] 'I'='('
   Fail: (228) [system] 'I'='('
   Call: (228) [system] 'I'='['
   Fail: (228) [system] 'I'='['
   Call: (228) [system] 'I'='{'
   Fail: (228) [system] 'I'='{'
   Call: (228) [system] 'I'='"'
   Fail: (228) [system] 'I'='"'
   Call: (228) [system] 'I'=!
   Fail: (228) [system] 'I'=!
   Call: (228) [system] 'I'='\''
   Fail: (228) [system] 'I'='\''
   Call: (228) [system] 'I'='`'
   Fail: (228) [system] 'I'='`'
   Call: (228) [system] 'I'=end_of_file
   Fail: (228) [system] 'I'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x563acd73bee0), 'I', _1360458)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _1395968)
   Call: (230) [system] peek_char((0x563acd73bee0), _1396902)
   Exit: (230) [system] peek_char((0x563acd73bee0), m)
^  Call: (230) [user] is_delimiter(m)
   Call: (231) [system] char_type(m, space)
   Fail: (231) [system] char_type(m, space)
   Call: (231) [system] arg(_1401622, v('(', ')', end_of_file), m)
   Fail: (231) [system] arg(_1402554, v('(', ')', end_of_file), m)
^  Fail: (230) [user] is_delimiter(m)
   Call: (230) [system] ')'==m
   Fail: (230) [system] ')'==m
   Call: (230) [system] get_char((0x563acd73bee0), m)
   Exit: (230) [system] get_char((0x563acd73bee0), m)
   Call: (230) [system] m=(\)
   Fail: (230) [system] m=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _1409904)
   Call: (231) [system] peek_char((0x563acd73bee0), _1410838)
   Exit: (231) [system] peek_char((0x563acd73bee0), p)
^  Call: (231) [user] is_delimiter(p)
   Call: (232) [system] char_type(p, space)
   Fail: (232) [system] char_type(p, space)
   Call: (232) [system] arg(_1415558, v('(', ')', end_of_file), p)
   Fail: (232) [system] arg(_1416490, v('(', ')', end_of_file), p)
^  Fail: (231) [user] is_delimiter(p)
   Call: (231) [system] ')'==p
   Fail: (231) [system] ')'==p
   Call: (231) [system] get_char((0x563acd73bee0), p)
   Exit: (231) [system] get_char((0x563acd73bee0), p)
   Call: (231) [system] p=(\)
   Fail: (231) [system] p=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _1423840)
   Call: (232) [system] peek_char((0x563acd73bee0), _1424774)
   Exit: (232) [system] peek_char((0x563acd73bee0), l)
^  Call: (232) [user] is_delimiter(l)
   Call: (233) [system] char_type(l, space)
   Fail: (233) [system] char_type(l, space)
   Call: (233) [system] arg(_1429494, v('(', ')', end_of_file), l)
   Fail: (233) [system] arg(_1430426, v('(', ')', end_of_file), l)
^  Fail: (232) [user] is_delimiter(l)
   Call: (232) [system] ')'==l
   Fail: (232) [system] ')'==l
   Call: (232) [system] get_char((0x563acd73bee0), l)
   Exit: (232) [system] get_char((0x563acd73bee0), l)
   Call: (232) [system] l=(\)
   Fail: (232) [system] l=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _1437776)
   Call: (233) [system] peek_char((0x563acd73bee0), _1438710)
   Exit: (233) [system] peek_char((0x563acd73bee0), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Fail: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_1443430, v('(', ')', end_of_file), i)
   Fail: (234) [system] arg(_1444362, v('(', ')', end_of_file), i)
^  Fail: (233) [user] is_delimiter(i)
   Call: (233) [system] ')'==i
   Fail: (233) [system] ')'==i
   Call: (233) [system] get_char((0x563acd73bee0), i)
   Exit: (233) [system] get_char((0x563acd73bee0), i)
   Call: (233) [system] i=(\)
   Fail: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), _1451712)
   Call: (234) [system] peek_char((0x563acd73bee0), _1452646)
   Exit: (234) [system] peek_char((0x563acd73bee0), c)
^  Call: (234) [user] is_delimiter(c)
   Call: (235) [system] char_type(c, space)
   Fail: (235) [system] char_type(c, space)
   Call: (235) [system] arg(_1457366, v('(', ')', end_of_file), c)
   Fail: (235) [system] arg(_1458298, v('(', ')', end_of_file), c)
^  Fail: (234) [user] is_delimiter(c)
   Call: (234) [system] ')'==c
   Fail: (234) [system] ')'==c
   Call: (234) [system] get_char((0x563acd73bee0), c)
   Exit: (234) [system] get_char((0x563acd73bee0), c)
   Call: (234) [system] c=(\)
   Fail: (234) [system] c=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), _1465648)
   Call: (235) [system] peek_char((0x563acd73bee0), _1466582)
   Exit: (235) [system] peek_char((0x563acd73bee0), a)
^  Call: (235) [user] is_delimiter(a)
   Call: (236) [system] char_type(a, space)
   Fail: (236) [system] char_type(a, space)
   Call: (236) [system] arg(_1471302, v('(', ')', end_of_file), a)
   Fail: (236) [system] arg(_1472234, v('(', ')', end_of_file), a)
^  Fail: (235) [user] is_delimiter(a)
   Call: (235) [system] ')'==a
   Fail: (235) [system] ')'==a
   Call: (235) [system] get_char((0x563acd73bee0), a)
   Exit: (235) [system] get_char((0x563acd73bee0), a)
   Call: (235) [system] a=(\)
   Fail: (235) [system] a=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), _1479584)
   Call: (236) [system] peek_char((0x563acd73bee0), _1480518)
   Exit: (236) [system] peek_char((0x563acd73bee0), t)
^  Call: (236) [user] is_delimiter(t)
   Call: (237) [system] char_type(t, space)
   Fail: (237) [system] char_type(t, space)
   Call: (237) [system] arg(_1485238, v('(', ')', end_of_file), t)
   Fail: (237) [system] arg(_1486170, v('(', ')', end_of_file), t)
^  Fail: (236) [user] is_delimiter(t)
   Call: (236) [system] ')'==t
   Fail: (236) [system] ')'==t
   Call: (236) [system] get_char((0x563acd73bee0), t)
   Exit: (236) [system] get_char((0x563acd73bee0), t)
   Call: (236) [system] t=(\)
   Fail: (236) [system] t=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), _1493520)
   Call: (237) [system] peek_char((0x563acd73bee0), _1494454)
   Exit: (237) [system] peek_char((0x563acd73bee0), i)
^  Call: (237) [user] is_delimiter(i)
   Call: (238) [system] char_type(i, space)
   Fail: (238) [system] char_type(i, space)
   Call: (238) [system] arg(_1499174, v('(', ')', end_of_file), i)
   Fail: (238) [system] arg(_1500106, v('(', ')', end_of_file), i)
^  Fail: (237) [user] is_delimiter(i)
   Call: (237) [system] ')'==i
   Fail: (237) [system] ')'==i
   Call: (237) [system] get_char((0x563acd73bee0), i)
   Exit: (237) [system] get_char((0x563acd73bee0), i)
   Call: (237) [system] i=(\)
   Fail: (237) [system] i=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), _1507456)
   Call: (238) [system] peek_char((0x563acd73bee0), _1508390)
   Exit: (238) [system] peek_char((0x563acd73bee0), o)
^  Call: (238) [user] is_delimiter(o)
   Call: (239) [system] char_type(o, space)
   Fail: (239) [system] char_type(o, space)
   Call: (239) [system] arg(_1513110, v('(', ')', end_of_file), o)
   Fail: (239) [system] arg(_1514042, v('(', ')', end_of_file), o)
^  Fail: (238) [user] is_delimiter(o)
   Call: (238) [system] ')'==o
   Fail: (238) [system] ')'==o
   Call: (238) [system] get_char((0x563acd73bee0), o)
   Exit: (238) [system] get_char((0x563acd73bee0), o)
   Call: (238) [system] o=(\)
   Fail: (238) [system] o=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x563acd73bee0), _1521392)
   Call: (239) [system] peek_char((0x563acd73bee0), _1522326)
   Exit: (239) [system] peek_char((0x563acd73bee0), n)
^  Call: (239) [user] is_delimiter(n)
   Call: (240) [system] char_type(n, space)
   Fail: (240) [system] char_type(n, space)
   Call: (240) [system] arg(_1527046, v('(', ')', end_of_file), n)
   Fail: (240) [system] arg(_1527978, v('(', ')', end_of_file), n)
^  Fail: (239) [user] is_delimiter(n)
   Call: (239) [system] ')'==n
   Fail: (239) [system] ')'==n
   Call: (239) [system] get_char((0x563acd73bee0), n)
   Exit: (239) [system] get_char((0x563acd73bee0), n)
   Call: (239) [system] n=(\)
   Fail: (239) [system] n=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x563acd73bee0), _1535328)
   Call: (240) [system] peek_char((0x563acd73bee0), _1536262)
   Exit: (240) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (240) [user] is_delimiter(' ')
   Call: (241) [system] char_type(' ', space)
   Exit: (241) [system] char_type(' ', space)
^  Exit: (240) [user] is_delimiter(' ')
   Call: (240) [system] _1535328=[]
   Exit: (240) [system] []=[]
^  Exit: (239) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (239) [system] _1521392=[n]
   Exit: (239) [system] [n]=[n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (238) [system] _1507456=[o, n]
   Exit: (238) [system] [o, n]=[o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (237) [system] _1493520=[i, o, n]
   Exit: (237) [system] [i, o, n]=[i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (236) [system] _1479584=[t, i, o, n]
   Exit: (236) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (235) [system] _1465648=[a, t, i, o, n]
   Exit: (235) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (234) [system] _1451712=[c, a, t, i, o, n]
   Exit: (234) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (233) [system] _1437776=[i, c, a, t, i, o, n]
   Exit: (233) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (232) [system] _1423840=[l, i, c, a, t, i, o, n]
   Exit: (232) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (231) [system] _1409904=[p, l, i, c, a, t, i, o, n]
   Exit: (231) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (230) [system] _1395968=[m, p, l, i, c, a, t, i, o, n]
   Exit: (230) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (229) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1360458)
^  Call: (230) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1573486)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_1574438, _1574440), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1573486), _1574420, fail)), '$restore_trace'(_1574438, _1574440))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_1574438, _1574440))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1573486), _1574420, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_1573486)
   Fail: (231) [system] atomic(_1573486)
   Call: (231) [system] atom_chars(_1573486, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (231) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (230) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (230) [system] integer('Implication')
   Fail: (230) [system] integer('Implication')
   Call: (230) [system] _1360458='Implication'
   Exit: (230) [system] 'Implication'='Implication'
^  Exit: (229) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (228) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (227) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (227) [user] read_list(')', (0x563acd73bee0), _1588436)
^  Call: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] peek_char((0x563acd73bee0), _1590294)
   Exit: (229) [system] peek_char((0x563acd73bee0), ' ')
   Call: (229) [system] ' '=(;)
   Fail: (229) [system] ' '=(;)
   Call: (229) [system] ' '=(/)
   Fail: (229) [system] ' '=(/)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x563acd73bee0), _1599888)
   Exit: (229) [system] get_char((0x563acd73bee0), ' ')
^  Call: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (230) [system] peek_char((0x563acd73bee0), _1602592)
   Exit: (230) [system] peek_char((0x563acd73bee0), '(')
   Call: (230) [system] '('=(;)
   Fail: (230) [system] '('=(;)
   Call: (230) [system] '('=(/)
   Fail: (230) [system] '('=(/)
^  Call: (230) [user] is_like_space('(')
   Call: (231) [system] char_type('(', 'white')
   Fail: (231) [system] char_type('(', 'white')
   Call: (231) [system] char_type('(', end_of_line)
   Fail: (231) [system] char_type('(', end_of_line)
   Call: (231) [system] char_type('(', space)
   Fail: (231) [system] char_type('(', space)
   Call: (231) [system] char_type('(', cntrl)
   Fail: (231) [system] char_type('(', cntrl)
^  Fail: (230) [user] is_like_space('(')
^  Exit: (229) [user] skip_spaces((0x563acd73bee0))
^  Exit: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _1619526)
   Exit: (228) [system] peek_char((0x563acd73bee0), '(')
   Call: (228) [system] '('=')'
   Fail: (228) [system] '('=')'
   Call: (228) [system] '('=end_of_file
   Fail: (228) [system] '('=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x563acd73bee0), _1625096)
^  Call: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (230) [system] peek_char((0x563acd73bee0), _1626954)
   Exit: (230) [system] peek_char((0x563acd73bee0), '(')
   Call: (230) [system] '('=(;)
   Fail: (230) [system] '('=(;)
   Call: (230) [system] '('=(/)
   Fail: (230) [system] '('=(/)
^  Call: (230) [user] is_like_space('(')
   Call: (231) [system] char_type('(', 'white')
   Fail: (231) [system] char_type('(', 'white')
   Call: (231) [system] char_type('(', end_of_line)
   Fail: (231) [system] char_type('(', end_of_line)
   Call: (231) [system] char_type('(', space)
   Fail: (231) [system] char_type('(', space)
   Call: (231) [system] char_type('(', cntrl)
   Fail: (231) [system] char_type('(', cntrl)
^  Fail: (230) [user] is_like_space('(')
^  Exit: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] get_char((0x563acd73bee0), _1642964)
   Exit: (229) [system] get_char((0x563acd73bee0), '(')
   Call: (229) [system] '('='('
   Exit: (229) [system] '('='('
^  Call: (229) [user] read_list(')', (0x563acd73bee0), _1625096)
^  Call: (230) [user] skip_spaces((0x563acd73bee0))
   Call: (231) [system] peek_char((0x563acd73bee0), _1648534)
   Exit: (231) [system] peek_char((0x563acd73bee0), 'A')
   Call: (231) [system] 'A'=(;)
   Fail: (231) [system] 'A'=(;)
   Call: (231) [system] 'A'=(/)
   Fail: (231) [system] 'A'=(/)
^  Call: (231) [user] is_like_space('A')
   Call: (232) [system] char_type('A', 'white')
   Fail: (232) [system] char_type('A', 'white')
   Call: (232) [system] char_type('A', end_of_line)
   Fail: (232) [system] char_type('A', end_of_line)
   Call: (232) [system] char_type('A', space)
   Fail: (232) [system] char_type('A', space)
   Call: (232) [system] char_type('A', cntrl)
   Fail: (232) [system] char_type('A', cntrl)
^  Fail: (231) [user] is_like_space('A')
^  Exit: (230) [user] skip_spaces((0x563acd73bee0))
   Call: (230) [system] peek_char((0x563acd73bee0), _1664544)
   Exit: (230) [system] peek_char((0x563acd73bee0), 'A')
   Call: (230) [system] 'A'=')'
   Fail: (230) [system] 'A'=')'
   Call: (230) [system] 'A'=end_of_file
   Fail: (230) [system] 'A'=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x563acd73bee0), _1670114)
^  Call: (231) [user] skip_spaces((0x563acd73bee0))
   Call: (232) [system] peek_char((0x563acd73bee0), _1671972)
   Exit: (232) [system] peek_char((0x563acd73bee0), 'A')
   Call: (232) [system] 'A'=(;)
   Fail: (232) [system] 'A'=(;)
   Call: (232) [system] 'A'=(/)
   Fail: (232) [system] 'A'=(/)
^  Call: (232) [user] is_like_space('A')
   Call: (233) [system] char_type('A', 'white')
   Fail: (233) [system] char_type('A', 'white')
   Call: (233) [system] char_type('A', end_of_line)
   Fail: (233) [system] char_type('A', end_of_line)
   Call: (233) [system] char_type('A', space)
   Fail: (233) [system] char_type('A', space)
   Call: (233) [system] char_type('A', cntrl)
   Fail: (233) [system] char_type('A', cntrl)
^  Fail: (232) [user] is_like_space('A')
^  Exit: (231) [user] skip_spaces((0x563acd73bee0))
   Call: (231) [system] get_char((0x563acd73bee0), _1687982)
   Exit: (231) [system] get_char((0x563acd73bee0), 'A')
   Call: (231) [system] 'A'='('
   Fail: (231) [system] 'A'='('
   Call: (231) [system] 'A'='['
   Fail: (231) [system] 'A'='['
   Call: (231) [system] 'A'='{'
   Fail: (231) [system] 'A'='{'
   Call: (231) [system] 'A'='"'
   Fail: (231) [system] 'A'='"'
   Call: (231) [system] 'A'=!
   Fail: (231) [system] 'A'=!
   Call: (231) [system] 'A'='\''
   Fail: (231) [system] 'A'='\''
   Call: (231) [system] 'A'='`'
   Fail: (231) [system] 'A'='`'
   Call: (231) [system] 'A'=end_of_file
   Fail: (231) [system] 'A'=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x563acd73bee0), 'A', _1670114)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _1705624)
   Call: (233) [system] peek_char((0x563acd73bee0), _1706558)
   Exit: (233) [system] peek_char((0x563acd73bee0), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_1711278, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_1712210, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x563acd73bee0), n)
   Exit: (233) [system] get_char((0x563acd73bee0), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), _1719560)
   Call: (234) [system] peek_char((0x563acd73bee0), _1720494)
   Exit: (234) [system] peek_char((0x563acd73bee0), d)
^  Call: (234) [user] is_delimiter(d)
   Call: (235) [system] char_type(d, space)
   Fail: (235) [system] char_type(d, space)
   Call: (235) [system] arg(_1725214, v('(', ')', end_of_file), d)
   Fail: (235) [system] arg(_1726146, v('(', ')', end_of_file), d)
^  Fail: (234) [user] is_delimiter(d)
   Call: (234) [system] ')'==d
   Fail: (234) [system] ')'==d
   Call: (234) [system] get_char((0x563acd73bee0), d)
   Exit: (234) [system] get_char((0x563acd73bee0), d)
   Call: (234) [system] d=(\)
   Fail: (234) [system] d=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), _1733496)
   Call: (235) [system] peek_char((0x563acd73bee0), _1734430)
   Exit: (235) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (235) [user] is_delimiter('L')
   Call: (236) [system] char_type('L', space)
   Fail: (236) [system] char_type('L', space)
   Call: (236) [system] arg(_1739150, v('(', ')', end_of_file), 'L')
   Fail: (236) [system] arg(_1740082, v('(', ')', end_of_file), 'L')
^  Fail: (235) [user] is_delimiter('L')
   Call: (235) [system] ')'=='L'
   Fail: (235) [system] ')'=='L'
   Call: (235) [system] get_char((0x563acd73bee0), 'L')
   Exit: (235) [system] get_char((0x563acd73bee0), 'L')
   Call: (235) [system] 'L'=(\)
   Fail: (235) [system] 'L'=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), _1747432)
   Call: (236) [system] peek_char((0x563acd73bee0), _1748366)
   Exit: (236) [system] peek_char((0x563acd73bee0), i)
^  Call: (236) [user] is_delimiter(i)
   Call: (237) [system] char_type(i, space)
   Fail: (237) [system] char_type(i, space)
   Call: (237) [system] arg(_1753086, v('(', ')', end_of_file), i)
   Fail: (237) [system] arg(_1754018, v('(', ')', end_of_file), i)
^  Fail: (236) [user] is_delimiter(i)
   Call: (236) [system] ')'==i
   Fail: (236) [system] ')'==i
   Call: (236) [system] get_char((0x563acd73bee0), i)
   Exit: (236) [system] get_char((0x563acd73bee0), i)
   Call: (236) [system] i=(\)
   Fail: (236) [system] i=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), _1761368)
   Call: (237) [system] peek_char((0x563acd73bee0), _1762302)
   Exit: (237) [system] peek_char((0x563acd73bee0), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Fail: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_1767022, v('(', ')', end_of_file), n)
   Fail: (238) [system] arg(_1767954, v('(', ')', end_of_file), n)
^  Fail: (237) [user] is_delimiter(n)
   Call: (237) [system] ')'==n
   Fail: (237) [system] ')'==n
   Call: (237) [system] get_char((0x563acd73bee0), n)
   Exit: (237) [system] get_char((0x563acd73bee0), n)
   Call: (237) [system] n=(\)
   Fail: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), _1775304)
   Call: (238) [system] peek_char((0x563acd73bee0), _1776238)
   Exit: (238) [system] peek_char((0x563acd73bee0), k)
^  Call: (238) [user] is_delimiter(k)
   Call: (239) [system] char_type(k, space)
   Fail: (239) [system] char_type(k, space)
   Call: (239) [system] arg(_1780958, v('(', ')', end_of_file), k)
   Fail: (239) [system] arg(_1781890, v('(', ')', end_of_file), k)
^  Fail: (238) [user] is_delimiter(k)
   Call: (238) [system] ')'==k
   Fail: (238) [system] ')'==k
   Call: (238) [system] get_char((0x563acd73bee0), k)
   Exit: (238) [system] get_char((0x563acd73bee0), k)
   Call: (238) [system] k=(\)
   Fail: (238) [system] k=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x563acd73bee0), _1789240)
   Call: (239) [system] peek_char((0x563acd73bee0), _1790174)
   Exit: (239) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (239) [user] is_delimiter(' ')
   Call: (240) [system] char_type(' ', space)
   Exit: (240) [system] char_type(' ', space)
^  Exit: (239) [user] is_delimiter(' ')
   Call: (239) [system] _1789240=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (238) [system] _1775304=[k]
   Exit: (238) [system] [k]=[k]
^  Exit: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (237) [system] _1761368=[n, k]
   Exit: (237) [system] [n, k]=[n, k]
^  Exit: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (236) [system] _1747432=[i, n, k]
   Exit: (236) [system] [i, n, k]=[i, n, k]
^  Exit: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (235) [system] _1733496=['L', i, n, k]
   Exit: (235) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (234) [system] _1719560=[d, 'L', i, n, k]
   Exit: (234) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, 'L', i, n, k])
   Call: (233) [system] _1705624=[n, d, 'L', i, n, k]
   Exit: (233) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, d, 'L', i, n, k])
^  Call: (232) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1670114)
^  Call: (233) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1816222)
^  Call: (235) [system] setup_call_cleanup('$notrace'(_1817174, _1817176), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1816222), _1817156, fail)), '$restore_trace'(_1817174, _1817176))
^  Call: (236) [system] sig_atomic(system:'$notrace'(_1817174, _1817176))
^  Exit: (235) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1816222), _1817156, fail)), system:'$restore_trace'(3, -1))
   Call: (234) [system] atomic(_1816222)
   Fail: (234) [system] atomic(_1816222)
   Call: (234) [system] atom_chars(_1816222, ['A', n, d, 'L', i, n, k])
   Exit: (234) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (233) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (233) [system] integer('AndLink')
   Fail: (233) [system] integer('AndLink')
   Call: (233) [system] _1670114='AndLink'
   Exit: (233) [system] 'AndLink'='AndLink'
^  Exit: (232) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (231) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'AndLink')
^  Exit: (230) [user] cont_sexpr(')', (0x563acd73bee0), 'AndLink')
^  Call: (230) [user] read_list(')', (0x563acd73bee0), _1831172)
^  Call: (231) [user] skip_spaces((0x563acd73bee0))
   Call: (232) [system] peek_char((0x563acd73bee0), _1833030)
   Exit: (232) [system] peek_char((0x563acd73bee0), ' ')
   Call: (232) [system] ' '=(;)
   Fail: (232) [system] ' '=(;)
   Call: (232) [system] ' '=(/)
   Fail: (232) [system] ' '=(/)
^  Call: (232) [user] is_like_space(' ')
   Call: (233) [system] char_type(' ', 'white')
   Exit: (233) [system] char_type(' ', 'white')
^  Exit: (232) [user] is_like_space(' ')
   Call: (232) [system] get_char((0x563acd73bee0), _1842624)
   Exit: (232) [system] get_char((0x563acd73bee0), ' ')
^  Call: (232) [user] skip_spaces((0x563acd73bee0))
   Call: (233) [system] peek_char((0x563acd73bee0), _1845328)
   Exit: (233) [system] peek_char((0x563acd73bee0), 'A')
   Call: (233) [system] 'A'=(;)
   Fail: (233) [system] 'A'=(;)
   Call: (233) [system] 'A'=(/)
   Fail: (233) [system] 'A'=(/)
^  Call: (233) [user] is_like_space('A')
   Call: (234) [system] char_type('A', 'white')
   Fail: (234) [system] char_type('A', 'white')
   Call: (234) [system] char_type('A', end_of_line)
   Fail: (234) [system] char_type('A', end_of_line)
   Call: (234) [system] char_type('A', space)
   Fail: (234) [system] char_type('A', space)
   Call: (234) [system] char_type('A', cntrl)
   Fail: (234) [system] char_type('A', cntrl)
^  Fail: (233) [user] is_like_space('A')
^  Exit: (232) [user] skip_spaces((0x563acd73bee0))
^  Exit: (231) [user] skip_spaces((0x563acd73bee0))
   Call: (231) [system] peek_char((0x563acd73bee0), _1862262)
   Exit: (231) [system] peek_char((0x563acd73bee0), 'A')
   Call: (231) [system] 'A'=')'
   Fail: (231) [system] 'A'=')'
   Call: (231) [system] 'A'=end_of_file
   Fail: (231) [system] 'A'=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x563acd73bee0), _1867832)
^  Call: (232) [user] skip_spaces((0x563acd73bee0))
   Call: (233) [system] peek_char((0x563acd73bee0), _1869690)
   Exit: (233) [system] peek_char((0x563acd73bee0), 'A')
   Call: (233) [system] 'A'=(;)
   Fail: (233) [system] 'A'=(;)
   Call: (233) [system] 'A'=(/)
   Fail: (233) [system] 'A'=(/)
^  Call: (233) [user] is_like_space('A')
   Call: (234) [system] char_type('A', 'white')
   Fail: (234) [system] char_type('A', 'white')
   Call: (234) [system] char_type('A', end_of_line)
   Fail: (234) [system] char_type('A', end_of_line)
   Call: (234) [system] char_type('A', space)
   Fail: (234) [system] char_type('A', space)
   Call: (234) [system] char_type('A', cntrl)
   Fail: (234) [system] char_type('A', cntrl)
^  Fail: (233) [user] is_like_space('A')
^  Exit: (232) [user] skip_spaces((0x563acd73bee0))
   Call: (232) [system] get_char((0x563acd73bee0), _1885700)
   Exit: (232) [system] get_char((0x563acd73bee0), 'A')
   Call: (232) [system] 'A'='('
   Fail: (232) [system] 'A'='('
   Call: (232) [system] 'A'='['
   Fail: (232) [system] 'A'='['
   Call: (232) [system] 'A'='{'
   Fail: (232) [system] 'A'='{'
   Call: (232) [system] 'A'='"'
   Fail: (232) [system] 'A'='"'
   Call: (232) [system] 'A'=!
   Fail: (232) [system] 'A'=!
   Call: (232) [system] 'A'='\''
   Fail: (232) [system] 'A'='\''
   Call: (232) [system] 'A'='`'
   Fail: (232) [system] 'A'='`'
   Call: (232) [system] 'A'=end_of_file
   Fail: (232) [system] 'A'=end_of_file
^  Call: (232) [user] read_symbolic(')', (0x563acd73bee0), 'A', _1867832)
^  Call: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), _1903342)
   Call: (234) [system] peek_char((0x563acd73bee0), _1904276)
   Exit: (234) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _1903342=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (233) [user] classify_and_convert_charseq(['A'], _1867832)
^  Call: (234) [user] classify_and_convert_charseq_(['A'], _1913560)
^  Call: (236) [system] setup_call_cleanup('$notrace'(_1914512, _1914514), once(user:catch(read_from_chars(['A'], _1913560), _1914494, fail)), '$restore_trace'(_1914512, _1914514))
^  Call: (237) [system] sig_atomic(system:'$notrace'(_1914512, _1914514))
^  Exit: (236) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1913560), _1914494, fail)), system:'$restore_trace'(3, -1))
   Call: (235) [system] atomic(_1913560)
   Fail: (235) [system] atomic(_1913560)
   Call: (235) [system] atom_chars(_1913560, ['A'])
   Exit: (235) [system] atom_chars('A', ['A'])
^  Exit: (234) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (234) [system] integer('A')
   Fail: (234) [system] integer('A')
   Call: (234) [system] _1867832='A'
   Exit: (234) [system] 'A'='A'
^  Exit: (233) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (232) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (231) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (231) [user] read_list(')', (0x563acd73bee0), _1928510)
^  Call: (232) [user] skip_spaces((0x563acd73bee0))
   Call: (233) [system] peek_char((0x563acd73bee0), _1930368)
   Exit: (233) [system] peek_char((0x563acd73bee0), ' ')
   Call: (233) [system] ' '=(;)
   Fail: (233) [system] ' '=(;)
   Call: (233) [system] ' '=(/)
   Fail: (233) [system] ' '=(/)
^  Call: (233) [user] is_like_space(' ')
   Call: (234) [system] char_type(' ', 'white')
   Exit: (234) [system] char_type(' ', 'white')
^  Exit: (233) [user] is_like_space(' ')
   Call: (233) [system] get_char((0x563acd73bee0), _1939962)
   Exit: (233) [system] get_char((0x563acd73bee0), ' ')
^  Call: (233) [user] skip_spaces((0x563acd73bee0))
   Call: (234) [system] peek_char((0x563acd73bee0), _1942666)
   Exit: (234) [system] peek_char((0x563acd73bee0), 'B')
   Call: (234) [system] 'B'=(;)
   Fail: (234) [system] 'B'=(;)
   Call: (234) [system] 'B'=(/)
   Fail: (234) [system] 'B'=(/)
^  Call: (234) [user] is_like_space('B')
   Call: (235) [system] char_type('B', 'white')
   Fail: (235) [system] char_type('B', 'white')
   Call: (235) [system] char_type('B', end_of_line)
   Fail: (235) [system] char_type('B', end_of_line)
   Call: (235) [system] char_type('B', space)
   Fail: (235) [system] char_type('B', space)
   Call: (235) [system] char_type('B', cntrl)
   Fail: (235) [system] char_type('B', cntrl)
^  Fail: (234) [user] is_like_space('B')
^  Exit: (233) [user] skip_spaces((0x563acd73bee0))
^  Exit: (232) [user] skip_spaces((0x563acd73bee0))
   Call: (232) [system] peek_char((0x563acd73bee0), _1959600)
   Exit: (232) [system] peek_char((0x563acd73bee0), 'B')
   Call: (232) [system] 'B'=')'
   Fail: (232) [system] 'B'=')'
   Call: (232) [system] 'B'=end_of_file
   Fail: (232) [system] 'B'=end_of_file
^  Call: (232) [user] cont_sexpr(')', (0x563acd73bee0), _1965170)
^  Call: (233) [user] skip_spaces((0x563acd73bee0))
   Call: (234) [system] peek_char((0x563acd73bee0), _1967028)
   Exit: (234) [system] peek_char((0x563acd73bee0), 'B')
   Call: (234) [system] 'B'=(;)
   Fail: (234) [system] 'B'=(;)
   Call: (234) [system] 'B'=(/)
   Fail: (234) [system] 'B'=(/)
^  Call: (234) [user] is_like_space('B')
   Call: (235) [system] char_type('B', 'white')
   Fail: (235) [system] char_type('B', 'white')
   Call: (235) [system] char_type('B', end_of_line)
   Fail: (235) [system] char_type('B', end_of_line)
   Call: (235) [system] char_type('B', space)
   Fail: (235) [system] char_type('B', space)
   Call: (235) [system] char_type('B', cntrl)
   Fail: (235) [system] char_type('B', cntrl)
^  Fail: (234) [user] is_like_space('B')
^  Exit: (233) [user] skip_spaces((0x563acd73bee0))
   Call: (233) [system] get_char((0x563acd73bee0), _1983038)
   Exit: (233) [system] get_char((0x563acd73bee0), 'B')
   Call: (233) [system] 'B'='('
   Fail: (233) [system] 'B'='('
   Call: (233) [system] 'B'='['
   Fail: (233) [system] 'B'='['
   Call: (233) [system] 'B'='{'
   Fail: (233) [system] 'B'='{'
   Call: (233) [system] 'B'='"'
   Fail: (233) [system] 'B'='"'
   Call: (233) [system] 'B'=!
   Fail: (233) [system] 'B'=!
   Call: (233) [system] 'B'='\''
   Fail: (233) [system] 'B'='\''
   Call: (233) [system] 'B'='`'
   Fail: (233) [system] 'B'='`'
   Call: (233) [system] 'B'=end_of_file
   Fail: (233) [system] 'B'=end_of_file
^  Call: (233) [user] read_symbolic(')', (0x563acd73bee0), 'B', _1965170)
^  Call: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), _2000680)
   Call: (235) [system] peek_char((0x563acd73bee0), _2001614)
   Exit: (235) [system] peek_char((0x563acd73bee0), ')')
^  Call: (235) [user] is_delimiter(')')
   Call: (236) [system] char_type(')', space)
   Fail: (236) [system] char_type(')', space)
   Call: (236) [system] arg(_2006334, v('(', ')', end_of_file), ')')
   Exit: (236) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (235) [user] is_delimiter(')')
   Call: (235) [system] _2000680=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (234) [user] classify_and_convert_charseq(['B'], _1965170)
^  Call: (235) [user] classify_and_convert_charseq_(['B'], _2012770)
^  Call: (237) [system] setup_call_cleanup('$notrace'(_2013722, _2013724), once(user:catch(read_from_chars(['B'], _2012770), _2013704, fail)), '$restore_trace'(_2013722, _2013724))
^  Call: (238) [system] sig_atomic(system:'$notrace'(_2013722, _2013724))
^  Exit: (237) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _2012770), _2013704, fail)), system:'$restore_trace'(3, -1))
   Call: (236) [system] atomic(_2012770)
   Fail: (236) [system] atomic(_2012770)
   Call: (236) [system] atom_chars(_2012770, ['B'])
   Exit: (236) [system] atom_chars('B', ['B'])
^  Exit: (235) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (235) [system] integer('B')
   Fail: (235) [system] integer('B')
   Call: (235) [system] _1965170='B'
   Exit: (235) [system] 'B'='B'
^  Exit: (234) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (233) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (232) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (232) [user] read_list(')', (0x563acd73bee0), _2027720)
^  Call: (233) [user] skip_spaces((0x563acd73bee0))
   Call: (234) [system] peek_char((0x563acd73bee0), _2029578)
   Exit: (234) [system] peek_char((0x563acd73bee0), ')')
   Call: (234) [system] ')'=(;)
   Fail: (234) [system] ')'=(;)
   Call: (234) [system] ')'=(/)
   Fail: (234) [system] ')'=(/)
^  Call: (234) [user] is_like_space(')')
   Call: (235) [system] char_type(')', 'white')
   Fail: (235) [system] char_type(')', 'white')
   Call: (235) [system] char_type(')', end_of_line)
   Fail: (235) [system] char_type(')', end_of_line)
   Call: (235) [system] char_type(')', space)
   Fail: (235) [system] char_type(')', space)
   Call: (235) [system] char_type(')', cntrl)
   Fail: (235) [system] char_type(')', cntrl)
^  Fail: (234) [user] is_like_space(')')
^  Exit: (233) [user] skip_spaces((0x563acd73bee0))
   Call: (233) [system] peek_char((0x563acd73bee0), _2045588)
   Exit: (233) [system] peek_char((0x563acd73bee0), ')')
   Call: (233) [system] ')'=')'
   Exit: (233) [system] ')'=')'
   Call: (233) [system] get_char((0x563acd73bee0), _2049378)
   Exit: (233) [system] get_char((0x563acd73bee0), ')')
   Call: (233) [system] _2027720=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_list(')', (0x563acd73bee0), [])
   Call: (232) [system] _1928510=['B']
   Exit: (232) [system] ['B']=['B']
^  Exit: (231) [user] read_list(')', (0x563acd73bee0), ['B'])
   Call: (231) [system] _1831172=['A', 'B']
   Exit: (231) [system] ['A', 'B']=['A', 'B']
^  Exit: (230) [user] read_list(')', (0x563acd73bee0), ['A', 'B'])
   Call: (230) [system] _1625096=['AndLink', 'A', 'B']
   Exit: (230) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (229) [user] read_list(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Exit: (228) [user] cont_sexpr(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Call: (228) [user] read_list(')', (0x563acd73bee0), _2063260)
^  Call: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (230) [system] peek_char((0x563acd73bee0), _2065118)
   Exit: (230) [system] peek_char((0x563acd73bee0), ' ')
   Call: (230) [system] ' '=(;)
   Fail: (230) [system] ' '=(;)
   Call: (230) [system] ' '=(/)
   Fail: (230) [system] ' '=(/)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x563acd73bee0), _2074712)
   Exit: (230) [system] get_char((0x563acd73bee0), ' ')
^  Call: (230) [user] skip_spaces((0x563acd73bee0))
   Call: (231) [system] peek_char((0x563acd73bee0), _2077416)
   Exit: (231) [system] peek_char((0x563acd73bee0), 'C')
   Call: (231) [system] 'C'=(;)
   Fail: (231) [system] 'C'=(;)
   Call: (231) [system] 'C'=(/)
   Fail: (231) [system] 'C'=(/)
^  Call: (231) [user] is_like_space('C')
   Call: (232) [system] char_type('C', 'white')
   Fail: (232) [system] char_type('C', 'white')
   Call: (232) [system] char_type('C', end_of_line)
   Fail: (232) [system] char_type('C', end_of_line)
   Call: (232) [system] char_type('C', space)
   Fail: (232) [system] char_type('C', space)
   Call: (232) [system] char_type('C', cntrl)
   Fail: (232) [system] char_type('C', cntrl)
^  Fail: (231) [user] is_like_space('C')
^  Exit: (230) [user] skip_spaces((0x563acd73bee0))
^  Exit: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] peek_char((0x563acd73bee0), _2094350)
   Exit: (229) [system] peek_char((0x563acd73bee0), 'C')
   Call: (229) [system] 'C'=')'
   Fail: (229) [system] 'C'=')'
   Call: (229) [system] 'C'=end_of_file
   Fail: (229) [system] 'C'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x563acd73bee0), _9294)
^  Call: (230) [user] skip_spaces((0x563acd73bee0))
   Call: (231) [system] peek_char((0x563acd73bee0), _11152)
   Exit: (231) [system] peek_char((0x563acd73bee0), 'C')
   Call: (231) [system] 'C'=(;)
   Fail: (231) [system] 'C'=(;)
   Call: (231) [system] 'C'=(/)
   Fail: (231) [system] 'C'=(/)
^  Call: (231) [user] is_like_space('C')
   Call: (232) [system] char_type('C', 'white')
   Fail: (232) [system] char_type('C', 'white')
   Call: (232) [system] char_type('C', end_of_line)
   Fail: (232) [system] char_type('C', end_of_line)
   Call: (232) [system] char_type('C', space)
   Fail: (232) [system] char_type('C', space)
   Call: (232) [system] char_type('C', cntrl)
   Fail: (232) [system] char_type('C', cntrl)
^  Fail: (231) [user] is_like_space('C')
^  Exit: (230) [user] skip_spaces((0x563acd73bee0))
   Call: (230) [system] get_char((0x563acd73bee0), _27162)
   Exit: (230) [system] get_char((0x563acd73bee0), 'C')
   Call: (230) [system] 'C'='('
   Fail: (230) [system] 'C'='('
   Call: (230) [system] 'C'='['
   Fail: (230) [system] 'C'='['
   Call: (230) [system] 'C'='{'
   Fail: (230) [system] 'C'='{'
   Call: (230) [system] 'C'='"'
   Fail: (230) [system] 'C'='"'
   Call: (230) [system] 'C'=!
   Fail: (230) [system] 'C'=!
   Call: (230) [system] 'C'='\''
   Fail: (230) [system] 'C'='\''
   Call: (230) [system] 'C'='`'
   Fail: (230) [system] 'C'='`'
   Call: (230) [system] 'C'=end_of_file
   Fail: (230) [system] 'C'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x563acd73bee0), 'C', _9294)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _44804)
   Call: (232) [system] peek_char((0x563acd73bee0), _45738)
   Exit: (232) [system] peek_char((0x563acd73bee0), ')')
^  Call: (232) [user] is_delimiter(')')
   Call: (233) [system] char_type(')', space)
   Fail: (233) [system] char_type(')', space)
   Call: (233) [system] arg(_50458, v('(', ')', end_of_file), ')')
   Exit: (233) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (232) [user] is_delimiter(')')
   Call: (232) [system] _44804=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (231) [user] classify_and_convert_charseq(['C'], _9294)
^  Call: (232) [user] classify_and_convert_charseq_(['C'], _56894)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_57846, _57848), once(user:catch(read_from_chars(['C'], _56894), _57828, fail)), '$restore_trace'(_57846, _57848))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_57846, _57848))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _56894), _57828, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(_56894)
   Fail: (233) [system] atomic(_56894)
   Call: (233) [system] atom_chars(_56894, ['C'])
   Exit: (233) [system] atom_chars('C', ['C'])
^  Exit: (232) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (232) [system] integer('C')
   Fail: (232) [system] integer('C')
   Call: (232) [system] _9294='C'
   Exit: (232) [system] 'C'='C'
^  Exit: (231) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (230) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (229) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (229) [user] read_list(')', (0x563acd73bee0), _71844)
^  Call: (230) [user] skip_spaces((0x563acd73bee0))
   Call: (231) [system] peek_char((0x563acd73bee0), _73702)
   Exit: (231) [system] peek_char((0x563acd73bee0), ')')
   Call: (231) [system] ')'=(;)
   Fail: (231) [system] ')'=(;)
   Call: (231) [system] ')'=(/)
   Fail: (231) [system] ')'=(/)
^  Call: (231) [user] is_like_space(')')
   Call: (232) [system] char_type(')', 'white')
   Fail: (232) [system] char_type(')', 'white')
   Call: (232) [system] char_type(')', end_of_line)
   Fail: (232) [system] char_type(')', end_of_line)
   Call: (232) [system] char_type(')', space)
   Fail: (232) [system] char_type(')', space)
   Call: (232) [system] char_type(')', cntrl)
   Fail: (232) [system] char_type(')', cntrl)
^  Fail: (231) [user] is_like_space(')')
^  Exit: (230) [user] skip_spaces((0x563acd73bee0))
   Call: (230) [system] peek_char((0x563acd73bee0), _89712)
   Exit: (230) [system] peek_char((0x563acd73bee0), ')')
   Call: (230) [system] ')'=')'
   Exit: (230) [system] ')'=')'
   Call: (230) [system] get_char((0x563acd73bee0), _93502)
   Exit: (230) [system] get_char((0x563acd73bee0), ')')
   Call: (230) [system] _71844=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_list(')', (0x563acd73bee0), [])
   Call: (229) [system] _6154=['C']
   Exit: (229) [system] ['C']=['C']
^  Exit: (228) [user] read_list(')', (0x563acd73bee0), ['C'])
   Call: (228) [system] _6130=[['AndLink', 'A', 'B'], 'C']
   Exit: (228) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (227) [user] read_list(')', (0x563acd73bee0), [['AndLink', 'A', 'B'], 'C'])
   Call: (227) [system] _6122=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (227) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (226) [user] read_list(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (225) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (225) [user] read_list(')', (0x563acd73bee0), _107384)
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _109242)
   Exit: (227) [system] peek_char((0x563acd73bee0), ')')
   Call: (227) [system] ')'=(;)
   Fail: (227) [system] ')'=(;)
   Call: (227) [system] ')'=(/)
   Fail: (227) [system] ')'=(/)
^  Call: (227) [user] is_like_space(')')
   Call: (228) [system] char_type(')', 'white')
   Fail: (228) [system] char_type(')', 'white')
   Call: (228) [system] char_type(')', end_of_line)
   Fail: (228) [system] char_type(')', end_of_line)
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] char_type(')', cntrl)
   Fail: (228) [system] char_type(')', cntrl)
^  Fail: (227) [user] is_like_space(')')
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _125252)
   Exit: (226) [system] peek_char((0x563acd73bee0), ')')
   Call: (226) [system] ')'=')'
   Exit: (226) [system] ')'=')'
   Call: (226) [system] get_char((0x563acd73bee0), _129042)
   Exit: (226) [system] get_char((0x563acd73bee0), ')')
   Call: (226) [system] _107384=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_list(')', (0x563acd73bee0), [])
   Call: (225) [system] _6118=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (225) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (224) [user] read_list(')', (0x563acd73bee0), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (224) [system] _6112=['A', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (224) [system] ['A', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['A', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (223) [user] read_list(')', (0x563acd73bee0), ['A', ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (223) [system] _6104=['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (223) [system] ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (222) [user] read_list(')', (0x563acd73bee0), ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (221) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (221) [user] read_list(')', (0x563acd73bee0), _142924)
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _144782)
   Exit: (223) [system] peek_char((0x563acd73bee0), ')')
   Call: (223) [system] ')'=(;)
   Fail: (223) [system] ')'=(;)
   Call: (223) [system] ')'=(/)
   Fail: (223) [system] ')'=(/)
^  Call: (223) [user] is_like_space(')')
   Call: (224) [system] char_type(')', 'white')
   Fail: (224) [system] char_type(')', 'white')
   Call: (224) [system] char_type(')', end_of_line)
   Fail: (224) [system] char_type(')', end_of_line)
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] char_type(')', cntrl)
   Fail: (224) [system] char_type(')', cntrl)
^  Fail: (223) [user] is_like_space(')')
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _160792)
   Exit: (222) [system] peek_char((0x563acd73bee0), ')')
   Call: (222) [system] ')'=')'
   Exit: (222) [system] ')'=')'
   Call: (222) [system] get_char((0x563acd73bee0), _164582)
   Exit: (222) [system] get_char((0x563acd73bee0), ')')
   Call: (222) [system] _142924=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_list(')', (0x563acd73bee0), [])
   Call: (221) [system] _6100=[['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (221) [system] [['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (220) [user] read_list(')', (0x563acd73bee0), [['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (220) [system] _6076=[['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (220) [system] [['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (219) [user] read_list(')', (0x563acd73bee0), [['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (219) [system] _6068=[:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (219) [system] [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (218) [user] read_list(')', (0x563acd73bee0), [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (217) [user] cont_sexpr(')', (0x563acd73bee0), [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (217) [user] read_list(')', (0x563acd73bee0), _178464)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _180322)
   Exit: (219) [system] peek_char((0x563acd73bee0), '\n')
   Call: (219) [system] '\n'=(;)
   Fail: (219) [system] '\n'=(;)
   Call: (219) [system] '\n'=(/)
   Fail: (219) [system] '\n'=(/)
^  Call: (219) [user] is_like_space('\n')
   Call: (220) [system] char_type('\n', 'white')
   Fail: (220) [system] char_type('\n', 'white')
   Call: (220) [system] char_type('\n', end_of_line)
   Exit: (220) [system] char_type('\n', end_of_line)
^  Exit: (219) [user] is_like_space('\n')
   Call: (219) [system] get_char((0x563acd73bee0), _191772)
   Exit: (219) [system] get_char((0x563acd73bee0), '\n')
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _194476)
   Exit: (220) [system] peek_char((0x563acd73bee0), '\t')
   Call: (220) [system] '\t'=(;)
   Fail: (220) [system] '\t'=(;)
   Call: (220) [system] '\t'=(/)
   Fail: (220) [system] '\t'=(/)
^  Call: (220) [user] is_like_space('\t')
   Call: (221) [system] char_type('\t', 'white')
   Exit: (221) [system] char_type('\t', 'white')
^  Exit: (220) [user] is_like_space('\t')
   Call: (220) [system] get_char((0x563acd73bee0), _204070)
   Exit: (220) [system] get_char((0x563acd73bee0), '\t')
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _206774)
   Exit: (221) [system] peek_char((0x563acd73bee0), '\t')
   Call: (221) [system] '\t'=(;)
   Fail: (221) [system] '\t'=(;)
   Call: (221) [system] '\t'=(/)
   Fail: (221) [system] '\t'=(/)
^  Call: (221) [user] is_like_space('\t')
   Call: (222) [system] char_type('\t', 'white')
   Exit: (222) [system] char_type('\t', 'white')
^  Exit: (221) [user] is_like_space('\t')
   Call: (221) [system] get_char((0x563acd73bee0), _216368)
   Exit: (221) [system] get_char((0x563acd73bee0), '\t')
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _219072)
   Exit: (222) [system] peek_char((0x563acd73bee0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x563acd73bee0), _228666)
   Exit: (222) [system] get_char((0x563acd73bee0), ' ')
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _231370)
   Exit: (223) [system] peek_char((0x563acd73bee0), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
   Call: (223) [system] '('=(/)
   Fail: (223) [system] '('=(/)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _251076)
   Exit: (218) [system] peek_char((0x563acd73bee0), '(')
   Call: (218) [system] '('=')'
   Fail: (218) [system] '('=')'
   Call: (218) [system] '('=end_of_file
   Fail: (218) [system] '('=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x563acd73bee0), _256646)
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _258504)
   Exit: (220) [system] peek_char((0x563acd73bee0), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] get_char((0x563acd73bee0), _274514)
   Exit: (219) [system] get_char((0x563acd73bee0), '(')
   Call: (219) [system] '('='('
   Exit: (219) [system] '('='('
^  Call: (219) [user] read_list(')', (0x563acd73bee0), _256646)
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _280084)
   Exit: (221) [system] peek_char((0x563acd73bee0), :)
   Call: (221) [system] (:)=(;)
   Fail: (221) [system] (:)=(;)
   Call: (221) [system] (:)=(/)
   Fail: (221) [system] (:)=(/)
^  Call: (221) [user] is_like_space(:)
   Call: (222) [system] char_type(:, 'white')
   Fail: (222) [system] char_type(:, 'white')
   Call: (222) [system] char_type(:, end_of_line)
   Fail: (222) [system] char_type(:, end_of_line)
   Call: (222) [system] char_type(:, space)
   Fail: (222) [system] char_type(:, space)
   Call: (222) [system] char_type(:, cntrl)
   Fail: (222) [system] char_type(:, cntrl)
^  Fail: (221) [user] is_like_space(:)
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _296094)
   Exit: (220) [system] peek_char((0x563acd73bee0), :)
   Call: (220) [system] (:)=')'
   Fail: (220) [system] (:)=')'
   Call: (220) [system] (:)=end_of_file
   Fail: (220) [system] (:)=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x563acd73bee0), _301664)
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _303522)
   Exit: (222) [system] peek_char((0x563acd73bee0), :)
   Call: (222) [system] (:)=(;)
   Fail: (222) [system] (:)=(;)
   Call: (222) [system] (:)=(/)
   Fail: (222) [system] (:)=(/)
^  Call: (222) [user] is_like_space(:)
   Call: (223) [system] char_type(:, 'white')
   Fail: (223) [system] char_type(:, 'white')
   Call: (223) [system] char_type(:, end_of_line)
   Fail: (223) [system] char_type(:, end_of_line)
   Call: (223) [system] char_type(:, space)
   Fail: (223) [system] char_type(:, space)
   Call: (223) [system] char_type(:, cntrl)
   Fail: (223) [system] char_type(:, cntrl)
^  Fail: (222) [user] is_like_space(:)
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] get_char((0x563acd73bee0), _319532)
   Exit: (221) [system] get_char((0x563acd73bee0), :)
   Call: (221) [system] (:)='('
   Fail: (221) [system] (:)='('
   Call: (221) [system] (:)='['
   Fail: (221) [system] (:)='['
   Call: (221) [system] (:)='{'
   Fail: (221) [system] (:)='{'
   Call: (221) [system] (:)='"'
   Fail: (221) [system] (:)='"'
   Call: (221) [system] (:)=!
   Fail: (221) [system] (:)=!
   Call: (221) [system] (:)='\''
   Fail: (221) [system] (:)='\''
   Call: (221) [system] (:)='`'
   Fail: (221) [system] (:)='`'
   Call: (221) [system] (:)=end_of_file
   Fail: (221) [system] (:)=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x563acd73bee0), :, _301664)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _337174)
   Call: (223) [system] peek_char((0x563acd73bee0), _338108)
   Exit: (223) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _337174=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (222) [user] classify_and_convert_charseq([:], _301664)
^  Call: (223) [user] classify_and_convert_charseq_([:], _347392)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_348344, _348346), once(user:catch(read_from_chars([:], _347392), _348326, fail)), '$restore_trace'(_348344, _348346))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_348344, _348346))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _348326, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(:)
   Exit: (224) [system] atomic(:)
^  Exit: (223) [user] classify_and_convert_charseq_([:], :)
   Call: (223) [system] integer(:)
   Fail: (223) [system] integer(:)
   Call: (223) [system] _301664=(:)
   Exit: (223) [system] (:)=(:)
^  Exit: (222) [user] classify_and_convert_charseq([:], :)
^  Exit: (221) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (220) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (220) [user] read_list(')', (0x563acd73bee0), _360472)
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _362330)
   Exit: (222) [system] peek_char((0x563acd73bee0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x563acd73bee0), _371924)
   Exit: (222) [system] get_char((0x563acd73bee0), ' ')
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _374628)
   Exit: (223) [system] peek_char((0x563acd73bee0), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
   Call: (223) [system] '('=(/)
   Fail: (223) [system] '('=(/)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _391562)
   Exit: (221) [system] peek_char((0x563acd73bee0), '(')
   Call: (221) [system] '('=')'
   Fail: (221) [system] '('=')'
   Call: (221) [system] '('=end_of_file
   Fail: (221) [system] '('=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x563acd73bee0), _397132)
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _398990)
   Exit: (223) [system] peek_char((0x563acd73bee0), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
   Call: (223) [system] '('=(/)
   Fail: (223) [system] '('=(/)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] get_char((0x563acd73bee0), _415000)
   Exit: (222) [system] get_char((0x563acd73bee0), '(')
   Call: (222) [system] '('='('
   Exit: (222) [system] '('='('
^  Call: (222) [user] read_list(')', (0x563acd73bee0), _397132)
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _420570)
   Exit: (224) [system] peek_char((0x563acd73bee0), 'D')
   Call: (224) [system] 'D'=(;)
   Fail: (224) [system] 'D'=(;)
   Call: (224) [system] 'D'=(/)
   Fail: (224) [system] 'D'=(/)
^  Call: (224) [user] is_like_space('D')
   Call: (225) [system] char_type('D', 'white')
   Fail: (225) [system] char_type('D', 'white')
   Call: (225) [system] char_type('D', end_of_line)
   Fail: (225) [system] char_type('D', end_of_line)
   Call: (225) [system] char_type('D', space)
   Fail: (225) [system] char_type('D', space)
   Call: (225) [system] char_type('D', cntrl)
   Fail: (225) [system] char_type('D', cntrl)
^  Fail: (224) [user] is_like_space('D')
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _436580)
   Exit: (223) [system] peek_char((0x563acd73bee0), 'D')
   Call: (223) [system] 'D'=')'
   Fail: (223) [system] 'D'=')'
   Call: (223) [system] 'D'=end_of_file
   Fail: (223) [system] 'D'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x563acd73bee0), _442150)
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _444008)
   Exit: (225) [system] peek_char((0x563acd73bee0), 'D')
   Call: (225) [system] 'D'=(;)
   Fail: (225) [system] 'D'=(;)
   Call: (225) [system] 'D'=(/)
   Fail: (225) [system] 'D'=(/)
^  Call: (225) [user] is_like_space('D')
   Call: (226) [system] char_type('D', 'white')
   Fail: (226) [system] char_type('D', 'white')
   Call: (226) [system] char_type('D', end_of_line)
   Fail: (226) [system] char_type('D', end_of_line)
   Call: (226) [system] char_type('D', space)
   Fail: (226) [system] char_type('D', space)
   Call: (226) [system] char_type('D', cntrl)
   Fail: (226) [system] char_type('D', cntrl)
^  Fail: (225) [user] is_like_space('D')
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] get_char((0x563acd73bee0), _460018)
   Exit: (224) [system] get_char((0x563acd73bee0), 'D')
   Call: (224) [system] 'D'='('
   Fail: (224) [system] 'D'='('
   Call: (224) [system] 'D'='['
   Fail: (224) [system] 'D'='['
   Call: (224) [system] 'D'='{'
   Fail: (224) [system] 'D'='{'
   Call: (224) [system] 'D'='"'
   Fail: (224) [system] 'D'='"'
   Call: (224) [system] 'D'=!
   Fail: (224) [system] 'D'=!
   Call: (224) [system] 'D'='\''
   Fail: (224) [system] 'D'='\''
   Call: (224) [system] 'D'='`'
   Fail: (224) [system] 'D'='`'
   Call: (224) [system] 'D'=end_of_file
   Fail: (224) [system] 'D'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x563acd73bee0), 'D', _442150)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _477660)
   Call: (226) [system] peek_char((0x563acd73bee0), _478594)
   Exit: (226) [system] peek_char((0x563acd73bee0), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Fail: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_483314, v('(', ')', end_of_file), i)
   Fail: (227) [system] arg(_484246, v('(', ')', end_of_file), i)
^  Fail: (226) [user] is_delimiter(i)
   Call: (226) [system] ')'==i
   Fail: (226) [system] ')'==i
   Call: (226) [system] get_char((0x563acd73bee0), i)
   Exit: (226) [system] get_char((0x563acd73bee0), i)
   Call: (226) [system] i=(\)
   Fail: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _491596)
   Call: (227) [system] peek_char((0x563acd73bee0), _492530)
   Exit: (227) [system] peek_char((0x563acd73bee0), s)
^  Call: (227) [user] is_delimiter(s)
   Call: (228) [system] char_type(s, space)
   Fail: (228) [system] char_type(s, space)
   Call: (228) [system] arg(_497250, v('(', ')', end_of_file), s)
   Fail: (228) [system] arg(_498182, v('(', ')', end_of_file), s)
^  Fail: (227) [user] is_delimiter(s)
   Call: (227) [system] ')'==s
   Fail: (227) [system] ')'==s
   Call: (227) [system] get_char((0x563acd73bee0), s)
   Exit: (227) [system] get_char((0x563acd73bee0), s)
   Call: (227) [system] s=(\)
   Fail: (227) [system] s=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _505532)
   Call: (228) [system] peek_char((0x563acd73bee0), _506466)
   Exit: (228) [system] peek_char((0x563acd73bee0), j)
^  Call: (228) [user] is_delimiter(j)
   Call: (229) [system] char_type(j, space)
   Fail: (229) [system] char_type(j, space)
   Call: (229) [system] arg(_511186, v('(', ')', end_of_file), j)
   Fail: (229) [system] arg(_512118, v('(', ')', end_of_file), j)
^  Fail: (228) [user] is_delimiter(j)
   Call: (228) [system] ')'==j
   Fail: (228) [system] ')'==j
   Call: (228) [system] get_char((0x563acd73bee0), j)
   Exit: (228) [system] get_char((0x563acd73bee0), j)
   Call: (228) [system] j=(\)
   Fail: (228) [system] j=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _519468)
   Call: (229) [system] peek_char((0x563acd73bee0), _520402)
   Exit: (229) [system] peek_char((0x563acd73bee0), u)
^  Call: (229) [user] is_delimiter(u)
   Call: (230) [system] char_type(u, space)
   Fail: (230) [system] char_type(u, space)
   Call: (230) [system] arg(_525122, v('(', ')', end_of_file), u)
   Fail: (230) [system] arg(_526054, v('(', ')', end_of_file), u)
^  Fail: (229) [user] is_delimiter(u)
   Call: (229) [system] ')'==u
   Fail: (229) [system] ')'==u
   Call: (229) [system] get_char((0x563acd73bee0), u)
   Exit: (229) [system] get_char((0x563acd73bee0), u)
   Call: (229) [system] u=(\)
   Fail: (229) [system] u=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _533404)
   Call: (230) [system] peek_char((0x563acd73bee0), _534338)
   Exit: (230) [system] peek_char((0x563acd73bee0), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_539058, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_539990, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x563acd73bee0), n)
   Exit: (230) [system] get_char((0x563acd73bee0), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _547340)
   Call: (231) [system] peek_char((0x563acd73bee0), _548274)
   Exit: (231) [system] peek_char((0x563acd73bee0), c)
^  Call: (231) [user] is_delimiter(c)
   Call: (232) [system] char_type(c, space)
   Fail: (232) [system] char_type(c, space)
   Call: (232) [system] arg(_552994, v('(', ')', end_of_file), c)
   Fail: (232) [system] arg(_553926, v('(', ')', end_of_file), c)
^  Fail: (231) [user] is_delimiter(c)
   Call: (231) [system] ')'==c
   Fail: (231) [system] ')'==c
   Call: (231) [system] get_char((0x563acd73bee0), c)
   Exit: (231) [system] get_char((0x563acd73bee0), c)
   Call: (231) [system] c=(\)
   Fail: (231) [system] c=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _561276)
   Call: (232) [system] peek_char((0x563acd73bee0), _562210)
   Exit: (232) [system] peek_char((0x563acd73bee0), t)
^  Call: (232) [user] is_delimiter(t)
   Call: (233) [system] char_type(t, space)
   Fail: (233) [system] char_type(t, space)
   Call: (233) [system] arg(_566930, v('(', ')', end_of_file), t)
   Fail: (233) [system] arg(_567862, v('(', ')', end_of_file), t)
^  Fail: (232) [user] is_delimiter(t)
   Call: (232) [system] ')'==t
   Fail: (232) [system] ')'==t
   Call: (232) [system] get_char((0x563acd73bee0), t)
   Exit: (232) [system] get_char((0x563acd73bee0), t)
   Call: (232) [system] t=(\)
   Fail: (232) [system] t=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _575212)
   Call: (233) [system] peek_char((0x563acd73bee0), _576146)
   Exit: (233) [system] peek_char((0x563acd73bee0), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Fail: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_580866, v('(', ')', end_of_file), i)
   Fail: (234) [system] arg(_581798, v('(', ')', end_of_file), i)
^  Fail: (233) [user] is_delimiter(i)
   Call: (233) [system] ')'==i
   Fail: (233) [system] ')'==i
   Call: (233) [system] get_char((0x563acd73bee0), i)
   Exit: (233) [system] get_char((0x563acd73bee0), i)
   Call: (233) [system] i=(\)
   Fail: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), _589148)
   Call: (234) [system] peek_char((0x563acd73bee0), _590082)
   Exit: (234) [system] peek_char((0x563acd73bee0), o)
^  Call: (234) [user] is_delimiter(o)
   Call: (235) [system] char_type(o, space)
   Fail: (235) [system] char_type(o, space)
   Call: (235) [system] arg(_594802, v('(', ')', end_of_file), o)
   Fail: (235) [system] arg(_595734, v('(', ')', end_of_file), o)
^  Fail: (234) [user] is_delimiter(o)
   Call: (234) [system] ')'==o
   Fail: (234) [system] ')'==o
   Call: (234) [system] get_char((0x563acd73bee0), o)
   Exit: (234) [system] get_char((0x563acd73bee0), o)
   Call: (234) [system] o=(\)
   Fail: (234) [system] o=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), _603084)
   Call: (235) [system] peek_char((0x563acd73bee0), _604018)
   Exit: (235) [system] peek_char((0x563acd73bee0), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Fail: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_608738, v('(', ')', end_of_file), n)
   Fail: (236) [system] arg(_609670, v('(', ')', end_of_file), n)
^  Fail: (235) [user] is_delimiter(n)
   Call: (235) [system] ')'==n
   Fail: (235) [system] ')'==n
   Call: (235) [system] get_char((0x563acd73bee0), n)
   Exit: (235) [system] get_char((0x563acd73bee0), n)
   Call: (235) [system] n=(\)
   Fail: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), _617020)
   Call: (236) [system] peek_char((0x563acd73bee0), _617954)
   Exit: (236) [system] peek_char((0x563acd73bee0), 'I')
^  Call: (236) [user] is_delimiter('I')
   Call: (237) [system] char_type('I', space)
   Fail: (237) [system] char_type('I', space)
   Call: (237) [system] arg(_622674, v('(', ')', end_of_file), 'I')
   Fail: (237) [system] arg(_623606, v('(', ')', end_of_file), 'I')
^  Fail: (236) [user] is_delimiter('I')
   Call: (236) [system] ')'=='I'
   Fail: (236) [system] ')'=='I'
   Call: (236) [system] get_char((0x563acd73bee0), 'I')
   Exit: (236) [system] get_char((0x563acd73bee0), 'I')
   Call: (236) [system] 'I'=(\)
   Fail: (236) [system] 'I'=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), _630956)
   Call: (237) [system] peek_char((0x563acd73bee0), _631890)
   Exit: (237) [system] peek_char((0x563acd73bee0), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Fail: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_636610, v('(', ')', end_of_file), n)
   Fail: (238) [system] arg(_637542, v('(', ')', end_of_file), n)
^  Fail: (237) [user] is_delimiter(n)
   Call: (237) [system] ')'==n
   Fail: (237) [system] ')'==n
   Call: (237) [system] get_char((0x563acd73bee0), n)
   Exit: (237) [system] get_char((0x563acd73bee0), n)
   Call: (237) [system] n=(\)
   Fail: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), _644892)
   Call: (238) [system] peek_char((0x563acd73bee0), _645826)
   Exit: (238) [system] peek_char((0x563acd73bee0), t)
^  Call: (238) [user] is_delimiter(t)
   Call: (239) [system] char_type(t, space)
   Fail: (239) [system] char_type(t, space)
   Call: (239) [system] arg(_650546, v('(', ')', end_of_file), t)
   Fail: (239) [system] arg(_651478, v('(', ')', end_of_file), t)
^  Fail: (238) [user] is_delimiter(t)
   Call: (238) [system] ')'==t
   Fail: (238) [system] ')'==t
   Call: (238) [system] get_char((0x563acd73bee0), t)
   Exit: (238) [system] get_char((0x563acd73bee0), t)
   Call: (238) [system] t=(\)
   Fail: (238) [system] t=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x563acd73bee0), _658828)
   Call: (239) [system] peek_char((0x563acd73bee0), _659762)
   Exit: (239) [system] peek_char((0x563acd73bee0), r)
^  Call: (239) [user] is_delimiter(r)
   Call: (240) [system] char_type(r, space)
   Fail: (240) [system] char_type(r, space)
   Call: (240) [system] arg(_664482, v('(', ')', end_of_file), r)
   Fail: (240) [system] arg(_665414, v('(', ')', end_of_file), r)
^  Fail: (239) [user] is_delimiter(r)
   Call: (239) [system] ')'==r
   Fail: (239) [system] ')'==r
   Call: (239) [system] get_char((0x563acd73bee0), r)
   Exit: (239) [system] get_char((0x563acd73bee0), r)
   Call: (239) [system] r=(\)
   Fail: (239) [system] r=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x563acd73bee0), _672764)
   Call: (240) [system] peek_char((0x563acd73bee0), _673698)
   Exit: (240) [system] peek_char((0x563acd73bee0), o)
^  Call: (240) [user] is_delimiter(o)
   Call: (241) [system] char_type(o, space)
   Fail: (241) [system] char_type(o, space)
   Call: (241) [system] arg(_678418, v('(', ')', end_of_file), o)
   Fail: (241) [system] arg(_679350, v('(', ')', end_of_file), o)
^  Fail: (240) [user] is_delimiter(o)
   Call: (240) [system] ')'==o
   Fail: (240) [system] ')'==o
   Call: (240) [system] get_char((0x563acd73bee0), o)
   Exit: (240) [system] get_char((0x563acd73bee0), o)
   Call: (240) [system] o=(\)
   Fail: (240) [system] o=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x563acd73bee0), _686700)
   Call: (241) [system] peek_char((0x563acd73bee0), _687634)
   Exit: (241) [system] peek_char((0x563acd73bee0), d)
^  Call: (241) [user] is_delimiter(d)
   Call: (242) [system] char_type(d, space)
   Fail: (242) [system] char_type(d, space)
   Call: (242) [system] arg(_692354, v('(', ')', end_of_file), d)
   Fail: (242) [system] arg(_693286, v('(', ')', end_of_file), d)
^  Fail: (241) [user] is_delimiter(d)
   Call: (241) [system] ')'==d
   Fail: (241) [system] ')'==d
   Call: (241) [system] get_char((0x563acd73bee0), d)
   Exit: (241) [system] get_char((0x563acd73bee0), d)
   Call: (241) [system] d=(\)
   Fail: (241) [system] d=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x563acd73bee0), _700636)
   Call: (242) [system] peek_char((0x563acd73bee0), _701570)
   Exit: (242) [system] peek_char((0x563acd73bee0), u)
^  Call: (242) [user] is_delimiter(u)
   Call: (243) [system] char_type(u, space)
   Fail: (243) [system] char_type(u, space)
   Call: (243) [system] arg(_706290, v('(', ')', end_of_file), u)
   Fail: (243) [system] arg(_707222, v('(', ')', end_of_file), u)
^  Fail: (242) [user] is_delimiter(u)
   Call: (242) [system] ')'==u
   Fail: (242) [system] ')'==u
   Call: (242) [system] get_char((0x563acd73bee0), u)
   Exit: (242) [system] get_char((0x563acd73bee0), u)
   Call: (242) [system] u=(\)
   Fail: (242) [system] u=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x563acd73bee0), _714572)
   Call: (243) [system] peek_char((0x563acd73bee0), _715506)
   Exit: (243) [system] peek_char((0x563acd73bee0), c)
^  Call: (243) [user] is_delimiter(c)
   Call: (244) [system] char_type(c, space)
   Fail: (244) [system] char_type(c, space)
   Call: (244) [system] arg(_720226, v('(', ')', end_of_file), c)
   Fail: (244) [system] arg(_721158, v('(', ')', end_of_file), c)
^  Fail: (243) [user] is_delimiter(c)
   Call: (243) [system] ')'==c
   Fail: (243) [system] ')'==c
   Call: (243) [system] get_char((0x563acd73bee0), c)
   Exit: (243) [system] get_char((0x563acd73bee0), c)
   Call: (243) [system] c=(\)
   Fail: (243) [system] c=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x563acd73bee0), _728508)
   Call: (244) [system] peek_char((0x563acd73bee0), _729442)
   Exit: (244) [system] peek_char((0x563acd73bee0), t)
^  Call: (244) [user] is_delimiter(t)
   Call: (245) [system] char_type(t, space)
   Fail: (245) [system] char_type(t, space)
   Call: (245) [system] arg(_734162, v('(', ')', end_of_file), t)
   Fail: (245) [system] arg(_735094, v('(', ')', end_of_file), t)
^  Fail: (244) [user] is_delimiter(t)
   Call: (244) [system] ')'==t
   Fail: (244) [system] ')'==t
   Call: (244) [system] get_char((0x563acd73bee0), t)
   Exit: (244) [system] get_char((0x563acd73bee0), t)
   Call: (244) [system] t=(\)
   Fail: (244) [system] t=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x563acd73bee0), _742444)
   Call: (245) [system] peek_char((0x563acd73bee0), _743378)
   Exit: (245) [system] peek_char((0x563acd73bee0), i)
^  Call: (245) [user] is_delimiter(i)
   Call: (246) [system] char_type(i, space)
   Fail: (246) [system] char_type(i, space)
   Call: (246) [system] arg(_748098, v('(', ')', end_of_file), i)
   Fail: (246) [system] arg(_749030, v('(', ')', end_of_file), i)
^  Fail: (245) [user] is_delimiter(i)
   Call: (245) [system] ')'==i
   Fail: (245) [system] ')'==i
   Call: (245) [system] get_char((0x563acd73bee0), i)
   Exit: (245) [system] get_char((0x563acd73bee0), i)
   Call: (245) [system] i=(\)
   Fail: (245) [system] i=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x563acd73bee0), _756380)
   Call: (246) [system] peek_char((0x563acd73bee0), _757314)
   Exit: (246) [system] peek_char((0x563acd73bee0), o)
^  Call: (246) [user] is_delimiter(o)
   Call: (247) [system] char_type(o, space)
   Fail: (247) [system] char_type(o, space)
   Call: (247) [system] arg(_762034, v('(', ')', end_of_file), o)
   Fail: (247) [system] arg(_762966, v('(', ')', end_of_file), o)
^  Fail: (246) [user] is_delimiter(o)
   Call: (246) [system] ')'==o
   Fail: (246) [system] ')'==o
   Call: (246) [system] get_char((0x563acd73bee0), o)
   Exit: (246) [system] get_char((0x563acd73bee0), o)
   Call: (246) [system] o=(\)
   Fail: (246) [system] o=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x563acd73bee0), _770316)
   Call: (247) [system] peek_char((0x563acd73bee0), _771250)
   Exit: (247) [system] peek_char((0x563acd73bee0), n)
^  Call: (247) [user] is_delimiter(n)
   Call: (248) [system] char_type(n, space)
   Fail: (248) [system] char_type(n, space)
   Call: (248) [system] arg(_775970, v('(', ')', end_of_file), n)
   Fail: (248) [system] arg(_776902, v('(', ')', end_of_file), n)
^  Fail: (247) [user] is_delimiter(n)
   Call: (247) [system] ')'==n
   Fail: (247) [system] ')'==n
   Call: (247) [system] get_char((0x563acd73bee0), n)
   Exit: (247) [system] get_char((0x563acd73bee0), n)
   Call: (247) [system] n=(\)
   Fail: (247) [system] n=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x563acd73bee0), _784252)
   Call: (248) [system] peek_char((0x563acd73bee0), _785186)
   Exit: (248) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (248) [user] is_delimiter(' ')
   Call: (249) [system] char_type(' ', space)
   Exit: (249) [system] char_type(' ', space)
^  Exit: (248) [user] is_delimiter(' ')
   Call: (248) [system] _784252=[]
   Exit: (248) [system] []=[]
^  Exit: (247) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (247) [system] _770316=[n]
   Exit: (247) [system] [n]=[n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (246) [system] _756380=[o, n]
   Exit: (246) [system] [o, n]=[o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (245) [system] _742444=[i, o, n]
   Exit: (245) [system] [i, o, n]=[i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (244) [system] _728508=[t, i, o, n]
   Exit: (244) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (243) [system] _714572=[c, t, i, o, n]
   Exit: (243) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n])
   Call: (242) [system] _700636=[u, c, t, i, o, n]
   Exit: (242) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, i, o, n])
   Call: (241) [system] _686700=[d, u, c, t, i, o, n]
   Exit: (241) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, u, c, t, i, o, n])
   Call: (240) [system] _672764=[o, d, u, c, t, i, o, n]
   Exit: (240) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, d, u, c, t, i, o, n])
   Call: (239) [system] _658828=[r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, d, u, c, t, i, o, n])
   Call: (238) [system] _644892=[t, r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _630956=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _617020=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _603084=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _589148=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _575212=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _561276=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _547340=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _533404=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _519468=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _505532=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _491596=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _477660=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (225) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _442150)
^  Call: (226) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _855938)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_856890, _856892), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _855938), _856872, fail)), '$restore_trace'(_856890, _856892))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_856890, _856892))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _855938), _856872, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_855938)
   Fail: (227) [system] atomic(_855938)
   Call: (227) [system] atom_chars(_855938, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (227) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (226) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (226) [system] integer('DisjunctionIntroduction')
   Fail: (226) [system] integer('DisjunctionIntroduction')
   Call: (226) [system] _442150='DisjunctionIntroduction'
   Exit: (226) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (225) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (224) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'DisjunctionIntroduction')
^  Exit: (223) [user] cont_sexpr(')', (0x563acd73bee0), 'DisjunctionIntroduction')
^  Call: (223) [user] read_list(')', (0x563acd73bee0), _870888)
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _872746)
   Exit: (225) [system] peek_char((0x563acd73bee0), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x563acd73bee0), _882340)
   Exit: (225) [system] get_char((0x563acd73bee0), ' ')
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _885044)
   Exit: (226) [system] peek_char((0x563acd73bee0), a)
   Call: (226) [system] a=(;)
   Fail: (226) [system] a=(;)
   Call: (226) [system] a=(/)
   Fail: (226) [system] a=(/)
^  Call: (226) [user] is_like_space(a)
   Call: (227) [system] char_type(a, 'white')
   Fail: (227) [system] char_type(a, 'white')
   Call: (227) [system] char_type(a, end_of_line)
   Fail: (227) [system] char_type(a, end_of_line)
   Call: (227) [system] char_type(a, space)
   Fail: (227) [system] char_type(a, space)
   Call: (227) [system] char_type(a, cntrl)
   Fail: (227) [system] char_type(a, cntrl)
^  Fail: (226) [user] is_like_space(a)
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _901978)
   Exit: (224) [system] peek_char((0x563acd73bee0), a)
   Call: (224) [system] a=')'
   Fail: (224) [system] a=')'
   Call: (224) [system] a=end_of_file
   Fail: (224) [system] a=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x563acd73bee0), _907548)
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _909406)
   Exit: (226) [system] peek_char((0x563acd73bee0), a)
   Call: (226) [system] a=(;)
   Fail: (226) [system] a=(;)
   Call: (226) [system] a=(/)
   Fail: (226) [system] a=(/)
^  Call: (226) [user] is_like_space(a)
   Call: (227) [system] char_type(a, 'white')
   Fail: (227) [system] char_type(a, 'white')
   Call: (227) [system] char_type(a, end_of_line)
   Fail: (227) [system] char_type(a, end_of_line)
   Call: (227) [system] char_type(a, space)
   Fail: (227) [system] char_type(a, space)
   Call: (227) [system] char_type(a, cntrl)
   Fail: (227) [system] char_type(a, cntrl)
^  Fail: (226) [user] is_like_space(a)
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] get_char((0x563acd73bee0), _925416)
   Exit: (225) [system] get_char((0x563acd73bee0), a)
   Call: (225) [system] a='('
   Fail: (225) [system] a='('
   Call: (225) [system] a='['
   Fail: (225) [system] a='['
   Call: (225) [system] a='{'
   Fail: (225) [system] a='{'
   Call: (225) [system] a='"'
   Fail: (225) [system] a='"'
   Call: (225) [system] a=!
   Fail: (225) [system] a=!
   Call: (225) [system] a='\''
   Fail: (225) [system] a='\''
   Call: (225) [system] a='`'
   Fail: (225) [system] a='`'
   Call: (225) [system] a=end_of_file
   Fail: (225) [system] a=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x563acd73bee0), a, _907548)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _943058)
   Call: (227) [system] peek_char((0x563acd73bee0), _943992)
   Exit: (227) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _943058=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (226) [user] classify_and_convert_charseq([a], _907548)
^  Call: (227) [user] classify_and_convert_charseq_([a], _953276)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_954228, _954230), once(user:catch(read_from_chars([a], _953276), _954210, fail)), '$restore_trace'(_954228, _954230))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_954228, _954230))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _954210, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(a)
   Exit: (228) [system] atomic(a)
^  Exit: (227) [user] classify_and_convert_charseq_([a], a)
   Call: (227) [system] integer(a)
   Fail: (227) [system] integer(a)
   Call: (227) [system] _907548=a
   Exit: (227) [system] a=a
^  Exit: (226) [user] classify_and_convert_charseq([a], a)
^  Exit: (225) [user] read_symbolic(')', (0x563acd73bee0), a, a)
^  Exit: (224) [user] cont_sexpr(')', (0x563acd73bee0), a)
^  Call: (224) [user] read_list(')', (0x563acd73bee0), _966356)
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _968214)
   Exit: (226) [system] peek_char((0x563acd73bee0), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x563acd73bee0), _977808)
   Exit: (226) [system] get_char((0x563acd73bee0), ' ')
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _980512)
   Exit: (227) [system] peek_char((0x563acd73bee0), c)
   Call: (227) [system] c=(;)
   Fail: (227) [system] c=(;)
   Call: (227) [system] c=(/)
   Fail: (227) [system] c=(/)
^  Call: (227) [user] is_like_space(c)
   Call: (228) [system] char_type(c, 'white')
   Fail: (228) [system] char_type(c, 'white')
   Call: (228) [system] char_type(c, end_of_line)
   Fail: (228) [system] char_type(c, end_of_line)
   Call: (228) [system] char_type(c, space)
   Fail: (228) [system] char_type(c, space)
   Call: (228) [system] char_type(c, cntrl)
   Fail: (228) [system] char_type(c, cntrl)
^  Fail: (227) [user] is_like_space(c)
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _997446)
   Exit: (225) [system] peek_char((0x563acd73bee0), c)
   Call: (225) [system] c=')'
   Fail: (225) [system] c=')'
   Call: (225) [system] c=end_of_file
   Fail: (225) [system] c=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x563acd73bee0), _1003016)
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _1004874)
   Exit: (227) [system] peek_char((0x563acd73bee0), c)
   Call: (227) [system] c=(;)
   Fail: (227) [system] c=(;)
   Call: (227) [system] c=(/)
   Fail: (227) [system] c=(/)
^  Call: (227) [user] is_like_space(c)
   Call: (228) [system] char_type(c, 'white')
   Fail: (228) [system] char_type(c, 'white')
   Call: (228) [system] char_type(c, end_of_line)
   Fail: (228) [system] char_type(c, end_of_line)
   Call: (228) [system] char_type(c, space)
   Fail: (228) [system] char_type(c, space)
   Call: (228) [system] char_type(c, cntrl)
   Fail: (228) [system] char_type(c, cntrl)
^  Fail: (227) [user] is_like_space(c)
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] get_char((0x563acd73bee0), _1020884)
   Exit: (226) [system] get_char((0x563acd73bee0), c)
   Call: (226) [system] c='('
   Fail: (226) [system] c='('
   Call: (226) [system] c='['
   Fail: (226) [system] c='['
   Call: (226) [system] c='{'
   Fail: (226) [system] c='{'
   Call: (226) [system] c='"'
   Fail: (226) [system] c='"'
   Call: (226) [system] c=!
   Fail: (226) [system] c=!
   Call: (226) [system] c='\''
   Fail: (226) [system] c='\''
   Call: (226) [system] c='`'
   Fail: (226) [system] c='`'
   Call: (226) [system] c=end_of_file
   Fail: (226) [system] c=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x563acd73bee0), c, _1003016)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _1038526)
   Call: (228) [system] peek_char((0x563acd73bee0), _1039460)
   Exit: (228) [system] peek_char((0x563acd73bee0), d)
^  Call: (228) [user] is_delimiter(d)
   Call: (229) [system] char_type(d, space)
   Fail: (229) [system] char_type(d, space)
   Call: (229) [system] arg(_1044180, v('(', ')', end_of_file), d)
   Fail: (229) [system] arg(_1045112, v('(', ')', end_of_file), d)
^  Fail: (228) [user] is_delimiter(d)
   Call: (228) [system] ')'==d
   Fail: (228) [system] ')'==d
   Call: (228) [system] get_char((0x563acd73bee0), d)
   Exit: (228) [system] get_char((0x563acd73bee0), d)
   Call: (228) [system] d=(\)
   Fail: (228) [system] d=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _1052462)
   Call: (229) [system] peek_char((0x563acd73bee0), _1053396)
   Exit: (229) [system] peek_char((0x563acd73bee0), e)
^  Call: (229) [user] is_delimiter(e)
   Call: (230) [system] char_type(e, space)
   Fail: (230) [system] char_type(e, space)
   Call: (230) [system] arg(_1058116, v('(', ')', end_of_file), e)
   Fail: (230) [system] arg(_1059048, v('(', ')', end_of_file), e)
^  Fail: (229) [user] is_delimiter(e)
   Call: (229) [system] ')'==e
   Fail: (229) [system] ')'==e
   Call: (229) [system] get_char((0x563acd73bee0), e)
   Exit: (229) [system] get_char((0x563acd73bee0), e)
   Call: (229) [system] e=(\)
   Fail: (229) [system] e=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _1066398)
   Call: (230) [system] peek_char((0x563acd73bee0), _1067332)
   Exit: (230) [system] peek_char((0x563acd73bee0), ')')
^  Call: (230) [user] is_delimiter(')')
   Call: (231) [system] char_type(')', space)
   Fail: (231) [system] char_type(')', space)
   Call: (231) [system] arg(_1072052, v('(', ')', end_of_file), ')')
   Exit: (231) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (230) [user] is_delimiter(')')
   Call: (230) [system] _1066398=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (229) [system] _1052462=[e]
   Exit: (229) [system] [e]=[e]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [e])
   Call: (228) [system] _1038526=[d, e]
   Exit: (228) [system] [d, e]=[d, e]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, e])
^  Call: (227) [user] classify_and_convert_charseq([c, d, e], _1003016)
^  Call: (228) [user] classify_and_convert_charseq_([c, d, e], _1084076)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_1085028, _1085030), once(user:catch(read_from_chars([c, d, e], _1084076), _1085010, fail)), '$restore_trace'(_1085028, _1085030))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_1085028, _1085030))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1085010, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(cde)
   Exit: (229) [system] atomic(cde)
^  Exit: (228) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (228) [system] integer(cde)
   Fail: (228) [system] integer(cde)
   Call: (228) [system] _1003016=cde
   Exit: (228) [system] cde=cde
^  Exit: (227) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (226) [user] read_symbolic(')', (0x563acd73bee0), c, cde)
^  Exit: (225) [user] cont_sexpr(')', (0x563acd73bee0), cde)
^  Call: (225) [user] read_list(')', (0x563acd73bee0), _1097156)
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _1099014)
   Exit: (227) [system] peek_char((0x563acd73bee0), ')')
   Call: (227) [system] ')'=(;)
   Fail: (227) [system] ')'=(;)
   Call: (227) [system] ')'=(/)
   Fail: (227) [system] ')'=(/)
^  Call: (227) [user] is_like_space(')')
   Call: (228) [system] char_type(')', 'white')
   Fail: (228) [system] char_type(')', 'white')
   Call: (228) [system] char_type(')', end_of_line)
   Fail: (228) [system] char_type(')', end_of_line)
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] char_type(')', cntrl)
   Fail: (228) [system] char_type(')', cntrl)
^  Fail: (227) [user] is_like_space(')')
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _1115024)
   Exit: (226) [system] peek_char((0x563acd73bee0), ')')
   Call: (226) [system] ')'=')'
   Exit: (226) [system] ')'=')'
   Call: (226) [system] get_char((0x563acd73bee0), _1118814)
   Exit: (226) [system] get_char((0x563acd73bee0), ')')
   Call: (226) [system] _1097156=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_list(')', (0x563acd73bee0), [])
   Call: (225) [system] _966356=[cde]
   Exit: (225) [system] [cde]=[cde]
^  Exit: (224) [user] read_list(')', (0x563acd73bee0), [cde])
   Call: (224) [system] _870888=[a, cde]
   Exit: (224) [system] [a, cde]=[a, cde]
^  Exit: (223) [user] read_list(')', (0x563acd73bee0), [a, cde])
   Call: (223) [system] _397132=['DisjunctionIntroduction', a, cde]
   Exit: (223) [system] ['DisjunctionIntroduction', a, cde]=['DisjunctionIntroduction', a, cde]
^  Exit: (222) [user] read_list(')', (0x563acd73bee0), ['DisjunctionIntroduction', a, cde])
^  Exit: (221) [user] cont_sexpr(')', (0x563acd73bee0), ['DisjunctionIntroduction', a, cde])
^  Call: (221) [user] read_list(')', (0x563acd73bee0), _1132696)
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _1134554)
   Exit: (223) [system] peek_char((0x563acd73bee0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x563acd73bee0), _1144148)
   Exit: (223) [system] get_char((0x563acd73bee0), ' ')
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _1146852)
   Exit: (224) [system] peek_char((0x563acd73bee0), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
   Call: (224) [system] '('=(/)
   Fail: (224) [system] '('=(/)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _1163786)
   Exit: (222) [system] peek_char((0x563acd73bee0), '(')
   Call: (222) [system] '('=')'
   Fail: (222) [system] '('=')'
   Call: (222) [system] '('=end_of_file
   Fail: (222) [system] '('=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x563acd73bee0), _1169356)
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _1171214)
   Exit: (224) [system] peek_char((0x563acd73bee0), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
   Call: (224) [system] '('=(/)
   Fail: (224) [system] '('=(/)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] get_char((0x563acd73bee0), _1187224)
   Exit: (223) [system] get_char((0x563acd73bee0), '(')
   Call: (223) [system] '('='('
   Exit: (223) [system] '('='('
^  Call: (223) [user] read_list(')', (0x563acd73bee0), _1169356)
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _1192794)
   Exit: (225) [system] peek_char((0x563acd73bee0), 'O')
   Call: (225) [system] 'O'=(;)
   Fail: (225) [system] 'O'=(;)
   Call: (225) [system] 'O'=(/)
   Fail: (225) [system] 'O'=(/)
^  Call: (225) [user] is_like_space('O')
   Call: (226) [system] char_type('O', 'white')
   Fail: (226) [system] char_type('O', 'white')
   Call: (226) [system] char_type('O', end_of_line)
   Fail: (226) [system] char_type('O', end_of_line)
   Call: (226) [system] char_type('O', space)
   Fail: (226) [system] char_type('O', space)
   Call: (226) [system] char_type('O', cntrl)
   Fail: (226) [system] char_type('O', cntrl)
^  Fail: (225) [user] is_like_space('O')
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _1208804)
   Exit: (224) [system] peek_char((0x563acd73bee0), 'O')
   Call: (224) [system] 'O'=')'
   Fail: (224) [system] 'O'=')'
   Call: (224) [system] 'O'=end_of_file
   Fail: (224) [system] 'O'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x563acd73bee0), _1214374)
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _1216232)
   Exit: (226) [system] peek_char((0x563acd73bee0), 'O')
   Call: (226) [system] 'O'=(;)
   Fail: (226) [system] 'O'=(;)
   Call: (226) [system] 'O'=(/)
   Fail: (226) [system] 'O'=(/)
^  Call: (226) [user] is_like_space('O')
   Call: (227) [system] char_type('O', 'white')
   Fail: (227) [system] char_type('O', 'white')
   Call: (227) [system] char_type('O', end_of_line)
   Fail: (227) [system] char_type('O', end_of_line)
   Call: (227) [system] char_type('O', space)
   Fail: (227) [system] char_type('O', space)
   Call: (227) [system] char_type('O', cntrl)
   Fail: (227) [system] char_type('O', cntrl)
^  Fail: (226) [user] is_like_space('O')
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] get_char((0x563acd73bee0), _1232242)
   Exit: (225) [system] get_char((0x563acd73bee0), 'O')
   Call: (225) [system] 'O'='('
   Fail: (225) [system] 'O'='('
   Call: (225) [system] 'O'='['
   Fail: (225) [system] 'O'='['
   Call: (225) [system] 'O'='{'
   Fail: (225) [system] 'O'='{'
   Call: (225) [system] 'O'='"'
   Fail: (225) [system] 'O'='"'
   Call: (225) [system] 'O'=!
   Fail: (225) [system] 'O'=!
   Call: (225) [system] 'O'='\''
   Fail: (225) [system] 'O'='\''
   Call: (225) [system] 'O'='`'
   Fail: (225) [system] 'O'='`'
   Call: (225) [system] 'O'=end_of_file
   Fail: (225) [system] 'O'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x563acd73bee0), 'O', _1214374)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _1249884)
   Call: (227) [system] peek_char((0x563acd73bee0), _1250818)
   Exit: (227) [system] peek_char((0x563acd73bee0), r)
^  Call: (227) [user] is_delimiter(r)
   Call: (228) [system] char_type(r, space)
   Fail: (228) [system] char_type(r, space)
   Call: (228) [system] arg(_1255538, v('(', ')', end_of_file), r)
   Fail: (228) [system] arg(_1256470, v('(', ')', end_of_file), r)
^  Fail: (227) [user] is_delimiter(r)
   Call: (227) [system] ')'==r
   Fail: (227) [system] ')'==r
   Call: (227) [system] get_char((0x563acd73bee0), r)
   Exit: (227) [system] get_char((0x563acd73bee0), r)
   Call: (227) [system] r=(\)
   Fail: (227) [system] r=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _1263820)
   Call: (228) [system] peek_char((0x563acd73bee0), _1264754)
   Exit: (228) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (228) [user] is_delimiter('L')
   Call: (229) [system] char_type('L', space)
   Fail: (229) [system] char_type('L', space)
   Call: (229) [system] arg(_1269474, v('(', ')', end_of_file), 'L')
   Fail: (229) [system] arg(_1270406, v('(', ')', end_of_file), 'L')
^  Fail: (228) [user] is_delimiter('L')
   Call: (228) [system] ')'=='L'
   Fail: (228) [system] ')'=='L'
   Call: (228) [system] get_char((0x563acd73bee0), 'L')
   Exit: (228) [system] get_char((0x563acd73bee0), 'L')
   Call: (228) [system] 'L'=(\)
   Fail: (228) [system] 'L'=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _1277756)
   Call: (229) [system] peek_char((0x563acd73bee0), _1278690)
   Exit: (229) [system] peek_char((0x563acd73bee0), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_1283410, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_1284342, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x563acd73bee0), i)
   Exit: (229) [system] get_char((0x563acd73bee0), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _1291692)
   Call: (230) [system] peek_char((0x563acd73bee0), _1292626)
   Exit: (230) [system] peek_char((0x563acd73bee0), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_1297346, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_1298278, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x563acd73bee0), n)
   Exit: (230) [system] get_char((0x563acd73bee0), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _1305628)
   Call: (231) [system] peek_char((0x563acd73bee0), _1306562)
   Exit: (231) [system] peek_char((0x563acd73bee0), k)
^  Call: (231) [user] is_delimiter(k)
   Call: (232) [system] char_type(k, space)
   Fail: (232) [system] char_type(k, space)
   Call: (232) [system] arg(_1311282, v('(', ')', end_of_file), k)
   Fail: (232) [system] arg(_1312214, v('(', ')', end_of_file), k)
^  Fail: (231) [user] is_delimiter(k)
   Call: (231) [system] ')'==k
   Fail: (231) [system] ')'==k
   Call: (231) [system] get_char((0x563acd73bee0), k)
   Exit: (231) [system] get_char((0x563acd73bee0), k)
   Call: (231) [system] k=(\)
   Fail: (231) [system] k=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _1319564)
   Call: (232) [system] peek_char((0x563acd73bee0), _1320498)
   Exit: (232) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _1319564=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (231) [system] _1305628=[k]
   Exit: (231) [system] [k]=[k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (230) [system] _1291692=[n, k]
   Exit: (230) [system] [n, k]=[n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (229) [system] _1277756=[i, n, k]
   Exit: (229) [system] [i, n, k]=[i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (228) [system] _1263820=['L', i, n, k]
   Exit: (228) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (227) [system] _1249884=[r, 'L', i, n, k]
   Exit: (227) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (226) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1214374)
^  Call: (227) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1343752)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1344704, _1344706), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1343752), _1344686, fail)), '$restore_trace'(_1344704, _1344706))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1344704, _1344706))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1343752), _1344686, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_1343752)
   Fail: (228) [system] atomic(_1343752)
   Call: (228) [system] atom_chars(_1343752, ['O', r, 'L', i, n, k])
   Exit: (228) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (227) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (227) [system] integer('OrLink')
   Fail: (227) [system] integer('OrLink')
   Call: (227) [system] _1214374='OrLink'
   Exit: (227) [system] 'OrLink'='OrLink'
^  Exit: (226) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (225) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (224) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (224) [user] read_list(')', (0x563acd73bee0), _1358702)
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _1360560)
   Exit: (226) [system] peek_char((0x563acd73bee0), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x563acd73bee0), _1370154)
   Exit: (226) [system] get_char((0x563acd73bee0), ' ')
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _1372858)
   Exit: (227) [system] peek_char((0x563acd73bee0), 'A')
   Call: (227) [system] 'A'=(;)
   Fail: (227) [system] 'A'=(;)
   Call: (227) [system] 'A'=(/)
   Fail: (227) [system] 'A'=(/)
^  Call: (227) [user] is_like_space('A')
   Call: (228) [system] char_type('A', 'white')
   Fail: (228) [system] char_type('A', 'white')
   Call: (228) [system] char_type('A', end_of_line)
   Fail: (228) [system] char_type('A', end_of_line)
   Call: (228) [system] char_type('A', space)
   Fail: (228) [system] char_type('A', space)
   Call: (228) [system] char_type('A', cntrl)
   Fail: (228) [system] char_type('A', cntrl)
^  Fail: (227) [user] is_like_space('A')
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _1389792)
   Exit: (225) [system] peek_char((0x563acd73bee0), 'A')
   Call: (225) [system] 'A'=')'
   Fail: (225) [system] 'A'=')'
   Call: (225) [system] 'A'=end_of_file
   Fail: (225) [system] 'A'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x563acd73bee0), _1395362)
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _1397220)
   Exit: (227) [system] peek_char((0x563acd73bee0), 'A')
   Call: (227) [system] 'A'=(;)
   Fail: (227) [system] 'A'=(;)
   Call: (227) [system] 'A'=(/)
   Fail: (227) [system] 'A'=(/)
^  Call: (227) [user] is_like_space('A')
   Call: (228) [system] char_type('A', 'white')
   Fail: (228) [system] char_type('A', 'white')
   Call: (228) [system] char_type('A', end_of_line)
   Fail: (228) [system] char_type('A', end_of_line)
   Call: (228) [system] char_type('A', space)
   Fail: (228) [system] char_type('A', space)
   Call: (228) [system] char_type('A', cntrl)
   Fail: (228) [system] char_type('A', cntrl)
^  Fail: (227) [user] is_like_space('A')
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] get_char((0x563acd73bee0), _1413230)
   Exit: (226) [system] get_char((0x563acd73bee0), 'A')
   Call: (226) [system] 'A'='('
   Fail: (226) [system] 'A'='('
   Call: (226) [system] 'A'='['
   Fail: (226) [system] 'A'='['
   Call: (226) [system] 'A'='{'
   Fail: (226) [system] 'A'='{'
   Call: (226) [system] 'A'='"'
   Fail: (226) [system] 'A'='"'
   Call: (226) [system] 'A'=!
   Fail: (226) [system] 'A'=!
   Call: (226) [system] 'A'='\''
   Fail: (226) [system] 'A'='\''
   Call: (226) [system] 'A'='`'
   Fail: (226) [system] 'A'='`'
   Call: (226) [system] 'A'=end_of_file
   Fail: (226) [system] 'A'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x563acd73bee0), 'A', _1395362)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _1430872)
   Call: (228) [system] peek_char((0x563acd73bee0), _1431806)
   Exit: (228) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _1430872=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (227) [user] classify_and_convert_charseq(['A'], _1395362)
^  Call: (228) [user] classify_and_convert_charseq_(['A'], _1441090)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_1442042, _1442044), once(user:catch(read_from_chars(['A'], _1441090), _1442024, fail)), '$restore_trace'(_1442042, _1442044))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_1442042, _1442044))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1441090), _1442024, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_1441090)
   Fail: (229) [system] atomic(_1441090)
   Call: (229) [system] atom_chars(_1441090, ['A'])
   Exit: (229) [system] atom_chars('A', ['A'])
^  Exit: (228) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (228) [system] integer('A')
   Fail: (228) [system] integer('A')
   Call: (228) [system] _1395362='A'
   Exit: (228) [system] 'A'='A'
^  Exit: (227) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (226) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (225) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (225) [user] read_list(')', (0x563acd73bee0), _1456040)
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _1457898)
   Exit: (227) [system] peek_char((0x563acd73bee0), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
   Call: (227) [system] ' '=(/)
   Fail: (227) [system] ' '=(/)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x563acd73bee0), _1467492)
   Exit: (227) [system] get_char((0x563acd73bee0), ' ')
^  Call: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _1470196)
   Exit: (228) [system] peek_char((0x563acd73bee0), '(')
   Call: (228) [system] '('=(;)
   Fail: (228) [system] '('=(;)
   Call: (228) [system] '('=(/)
   Fail: (228) [system] '('=(/)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Fail: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Fail: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Fail: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
   Fail: (229) [system] char_type('(', cntrl)
^  Fail: (228) [user] is_like_space('(')
^  Exit: (227) [user] skip_spaces((0x563acd73bee0))
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _1487130)
   Exit: (226) [system] peek_char((0x563acd73bee0), '(')
   Call: (226) [system] '('=')'
   Fail: (226) [system] '('=')'
   Call: (226) [system] '('=end_of_file
   Fail: (226) [system] '('=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x563acd73bee0), _1492700)
^  Call: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _1494558)
   Exit: (228) [system] peek_char((0x563acd73bee0), '(')
   Call: (228) [system] '('=(;)
   Fail: (228) [system] '('=(;)
   Call: (228) [system] '('=(/)
   Fail: (228) [system] '('=(/)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Fail: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Fail: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Fail: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
   Fail: (229) [system] char_type('(', cntrl)
^  Fail: (228) [user] is_like_space('(')
^  Exit: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] get_char((0x563acd73bee0), _1510568)
   Exit: (227) [system] get_char((0x563acd73bee0), '(')
   Call: (227) [system] '('='('
   Exit: (227) [system] '('='('
^  Call: (227) [user] read_list(')', (0x563acd73bee0), _1492700)
^  Call: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] peek_char((0x563acd73bee0), _1516138)
   Exit: (229) [system] peek_char((0x563acd73bee0), 'I')
   Call: (229) [system] 'I'=(;)
   Fail: (229) [system] 'I'=(;)
   Call: (229) [system] 'I'=(/)
   Fail: (229) [system] 'I'=(/)
^  Call: (229) [user] is_like_space('I')
   Call: (230) [system] char_type('I', 'white')
   Fail: (230) [system] char_type('I', 'white')
   Call: (230) [system] char_type('I', end_of_line)
   Fail: (230) [system] char_type('I', end_of_line)
   Call: (230) [system] char_type('I', space)
   Fail: (230) [system] char_type('I', space)
   Call: (230) [system] char_type('I', cntrl)
   Fail: (230) [system] char_type('I', cntrl)
^  Fail: (229) [user] is_like_space('I')
^  Exit: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _1532148)
   Exit: (228) [system] peek_char((0x563acd73bee0), 'I')
   Call: (228) [system] 'I'=')'
   Fail: (228) [system] 'I'=')'
   Call: (228) [system] 'I'=end_of_file
   Fail: (228) [system] 'I'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x563acd73bee0), _1537718)
^  Call: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (230) [system] peek_char((0x563acd73bee0), _1539576)
   Exit: (230) [system] peek_char((0x563acd73bee0), 'I')
   Call: (230) [system] 'I'=(;)
   Fail: (230) [system] 'I'=(;)
   Call: (230) [system] 'I'=(/)
   Fail: (230) [system] 'I'=(/)
^  Call: (230) [user] is_like_space('I')
   Call: (231) [system] char_type('I', 'white')
   Fail: (231) [system] char_type('I', 'white')
   Call: (231) [system] char_type('I', end_of_line)
   Fail: (231) [system] char_type('I', end_of_line)
   Call: (231) [system] char_type('I', space)
   Fail: (231) [system] char_type('I', space)
   Call: (231) [system] char_type('I', cntrl)
   Fail: (231) [system] char_type('I', cntrl)
^  Fail: (230) [user] is_like_space('I')
^  Exit: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] get_char((0x563acd73bee0), _1555586)
   Exit: (229) [system] get_char((0x563acd73bee0), 'I')
   Call: (229) [system] 'I'='('
   Fail: (229) [system] 'I'='('
   Call: (229) [system] 'I'='['
   Fail: (229) [system] 'I'='['
   Call: (229) [system] 'I'='{'
   Fail: (229) [system] 'I'='{'
   Call: (229) [system] 'I'='"'
   Fail: (229) [system] 'I'='"'
   Call: (229) [system] 'I'=!
   Fail: (229) [system] 'I'=!
   Call: (229) [system] 'I'='\''
   Fail: (229) [system] 'I'='\''
   Call: (229) [system] 'I'='`'
   Fail: (229) [system] 'I'='`'
   Call: (229) [system] 'I'=end_of_file
   Fail: (229) [system] 'I'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x563acd73bee0), 'I', _1537718)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _1573228)
   Call: (231) [system] peek_char((0x563acd73bee0), _1574162)
   Exit: (231) [system] peek_char((0x563acd73bee0), m)
^  Call: (231) [user] is_delimiter(m)
   Call: (232) [system] char_type(m, space)
   Fail: (232) [system] char_type(m, space)
   Call: (232) [system] arg(_1578882, v('(', ')', end_of_file), m)
   Fail: (232) [system] arg(_1579814, v('(', ')', end_of_file), m)
^  Fail: (231) [user] is_delimiter(m)
   Call: (231) [system] ')'==m
   Fail: (231) [system] ')'==m
   Call: (231) [system] get_char((0x563acd73bee0), m)
   Exit: (231) [system] get_char((0x563acd73bee0), m)
   Call: (231) [system] m=(\)
   Fail: (231) [system] m=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _1587164)
   Call: (232) [system] peek_char((0x563acd73bee0), _1588098)
   Exit: (232) [system] peek_char((0x563acd73bee0), p)
^  Call: (232) [user] is_delimiter(p)
   Call: (233) [system] char_type(p, space)
   Fail: (233) [system] char_type(p, space)
   Call: (233) [system] arg(_1592818, v('(', ')', end_of_file), p)
   Fail: (233) [system] arg(_1593750, v('(', ')', end_of_file), p)
^  Fail: (232) [user] is_delimiter(p)
   Call: (232) [system] ')'==p
   Fail: (232) [system] ')'==p
   Call: (232) [system] get_char((0x563acd73bee0), p)
   Exit: (232) [system] get_char((0x563acd73bee0), p)
   Call: (232) [system] p=(\)
   Fail: (232) [system] p=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _1601100)
   Call: (233) [system] peek_char((0x563acd73bee0), _1602034)
   Exit: (233) [system] peek_char((0x563acd73bee0), l)
^  Call: (233) [user] is_delimiter(l)
   Call: (234) [system] char_type(l, space)
   Fail: (234) [system] char_type(l, space)
   Call: (234) [system] arg(_1606754, v('(', ')', end_of_file), l)
   Fail: (234) [system] arg(_1607686, v('(', ')', end_of_file), l)
^  Fail: (233) [user] is_delimiter(l)
   Call: (233) [system] ')'==l
   Fail: (233) [system] ')'==l
   Call: (233) [system] get_char((0x563acd73bee0), l)
   Exit: (233) [system] get_char((0x563acd73bee0), l)
   Call: (233) [system] l=(\)
   Fail: (233) [system] l=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), _1615036)
   Call: (234) [system] peek_char((0x563acd73bee0), _1615970)
   Exit: (234) [system] peek_char((0x563acd73bee0), i)
^  Call: (234) [user] is_delimiter(i)
   Call: (235) [system] char_type(i, space)
   Fail: (235) [system] char_type(i, space)
   Call: (235) [system] arg(_1620690, v('(', ')', end_of_file), i)
   Fail: (235) [system] arg(_1621622, v('(', ')', end_of_file), i)
^  Fail: (234) [user] is_delimiter(i)
   Call: (234) [system] ')'==i
   Fail: (234) [system] ')'==i
   Call: (234) [system] get_char((0x563acd73bee0), i)
   Exit: (234) [system] get_char((0x563acd73bee0), i)
   Call: (234) [system] i=(\)
   Fail: (234) [system] i=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), _1628972)
   Call: (235) [system] peek_char((0x563acd73bee0), _1629906)
   Exit: (235) [system] peek_char((0x563acd73bee0), c)
^  Call: (235) [user] is_delimiter(c)
   Call: (236) [system] char_type(c, space)
   Fail: (236) [system] char_type(c, space)
   Call: (236) [system] arg(_1634626, v('(', ')', end_of_file), c)
   Fail: (236) [system] arg(_1635558, v('(', ')', end_of_file), c)
^  Fail: (235) [user] is_delimiter(c)
   Call: (235) [system] ')'==c
   Fail: (235) [system] ')'==c
   Call: (235) [system] get_char((0x563acd73bee0), c)
   Exit: (235) [system] get_char((0x563acd73bee0), c)
   Call: (235) [system] c=(\)
   Fail: (235) [system] c=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), _1642908)
   Call: (236) [system] peek_char((0x563acd73bee0), _1643842)
   Exit: (236) [system] peek_char((0x563acd73bee0), a)
^  Call: (236) [user] is_delimiter(a)
   Call: (237) [system] char_type(a, space)
   Fail: (237) [system] char_type(a, space)
   Call: (237) [system] arg(_1648562, v('(', ')', end_of_file), a)
   Fail: (237) [system] arg(_1649494, v('(', ')', end_of_file), a)
^  Fail: (236) [user] is_delimiter(a)
   Call: (236) [system] ')'==a
   Fail: (236) [system] ')'==a
   Call: (236) [system] get_char((0x563acd73bee0), a)
   Exit: (236) [system] get_char((0x563acd73bee0), a)
   Call: (236) [system] a=(\)
   Fail: (236) [system] a=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), _1656844)
   Call: (237) [system] peek_char((0x563acd73bee0), _1657778)
   Exit: (237) [system] peek_char((0x563acd73bee0), t)
^  Call: (237) [user] is_delimiter(t)
   Call: (238) [system] char_type(t, space)
   Fail: (238) [system] char_type(t, space)
   Call: (238) [system] arg(_1662498, v('(', ')', end_of_file), t)
   Fail: (238) [system] arg(_1663430, v('(', ')', end_of_file), t)
^  Fail: (237) [user] is_delimiter(t)
   Call: (237) [system] ')'==t
   Fail: (237) [system] ')'==t
   Call: (237) [system] get_char((0x563acd73bee0), t)
   Exit: (237) [system] get_char((0x563acd73bee0), t)
   Call: (237) [system] t=(\)
   Fail: (237) [system] t=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), _1670780)
   Call: (238) [system] peek_char((0x563acd73bee0), _1671714)
   Exit: (238) [system] peek_char((0x563acd73bee0), i)
^  Call: (238) [user] is_delimiter(i)
   Call: (239) [system] char_type(i, space)
   Fail: (239) [system] char_type(i, space)
   Call: (239) [system] arg(_1676434, v('(', ')', end_of_file), i)
   Fail: (239) [system] arg(_1677366, v('(', ')', end_of_file), i)
^  Fail: (238) [user] is_delimiter(i)
   Call: (238) [system] ')'==i
   Fail: (238) [system] ')'==i
   Call: (238) [system] get_char((0x563acd73bee0), i)
   Exit: (238) [system] get_char((0x563acd73bee0), i)
   Call: (238) [system] i=(\)
   Fail: (238) [system] i=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x563acd73bee0), _1684716)
   Call: (239) [system] peek_char((0x563acd73bee0), _1685650)
   Exit: (239) [system] peek_char((0x563acd73bee0), o)
^  Call: (239) [user] is_delimiter(o)
   Call: (240) [system] char_type(o, space)
   Fail: (240) [system] char_type(o, space)
   Call: (240) [system] arg(_1690370, v('(', ')', end_of_file), o)
   Fail: (240) [system] arg(_1691302, v('(', ')', end_of_file), o)
^  Fail: (239) [user] is_delimiter(o)
   Call: (239) [system] ')'==o
   Fail: (239) [system] ')'==o
   Call: (239) [system] get_char((0x563acd73bee0), o)
   Exit: (239) [system] get_char((0x563acd73bee0), o)
   Call: (239) [system] o=(\)
   Fail: (239) [system] o=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x563acd73bee0), _1698652)
   Call: (240) [system] peek_char((0x563acd73bee0), _1699586)
   Exit: (240) [system] peek_char((0x563acd73bee0), n)
^  Call: (240) [user] is_delimiter(n)
   Call: (241) [system] char_type(n, space)
   Fail: (241) [system] char_type(n, space)
   Call: (241) [system] arg(_1704306, v('(', ')', end_of_file), n)
   Fail: (241) [system] arg(_1705238, v('(', ')', end_of_file), n)
^  Fail: (240) [user] is_delimiter(n)
   Call: (240) [system] ')'==n
   Fail: (240) [system] ')'==n
   Call: (240) [system] get_char((0x563acd73bee0), n)
   Exit: (240) [system] get_char((0x563acd73bee0), n)
   Call: (240) [system] n=(\)
   Fail: (240) [system] n=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x563acd73bee0), _1712588)
   Call: (241) [system] peek_char((0x563acd73bee0), _1713522)
   Exit: (241) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (241) [user] is_delimiter(' ')
   Call: (242) [system] char_type(' ', space)
   Exit: (242) [system] char_type(' ', space)
^  Exit: (241) [user] is_delimiter(' ')
   Call: (241) [system] _1712588=[]
   Exit: (241) [system] []=[]
^  Exit: (240) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (240) [system] _1698652=[n]
   Exit: (240) [system] [n]=[n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (239) [system] _1684716=[o, n]
   Exit: (239) [system] [o, n]=[o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (238) [system] _1670780=[i, o, n]
   Exit: (238) [system] [i, o, n]=[i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (237) [system] _1656844=[t, i, o, n]
   Exit: (237) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (236) [system] _1642908=[a, t, i, o, n]
   Exit: (236) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (235) [system] _1628972=[c, a, t, i, o, n]
   Exit: (235) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (234) [system] _1615036=[i, c, a, t, i, o, n]
   Exit: (234) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (233) [system] _1601100=[l, i, c, a, t, i, o, n]
   Exit: (233) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (232) [system] _1587164=[p, l, i, c, a, t, i, o, n]
   Exit: (232) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (231) [system] _1573228=[m, p, l, i, c, a, t, i, o, n]
   Exit: (231) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (230) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1537718)
^  Call: (231) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1750746)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_1751698, _1751700), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1750746), _1751680, fail)), '$restore_trace'(_1751698, _1751700))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_1751698, _1751700))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1750746), _1751680, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_1750746)
   Fail: (232) [system] atomic(_1750746)
   Call: (232) [system] atom_chars(_1750746, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (232) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (231) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (231) [system] integer('Implication')
   Fail: (231) [system] integer('Implication')
   Call: (231) [system] _1537718='Implication'
   Exit: (231) [system] 'Implication'='Implication'
^  Exit: (230) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (229) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (228) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (228) [user] read_list(')', (0x563acd73bee0), _1765696)
^  Call: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (230) [system] peek_char((0x563acd73bee0), _1767554)
   Exit: (230) [system] peek_char((0x563acd73bee0), ' ')
   Call: (230) [system] ' '=(;)
   Fail: (230) [system] ' '=(;)
   Call: (230) [system] ' '=(/)
   Fail: (230) [system] ' '=(/)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x563acd73bee0), _1777148)
   Exit: (230) [system] get_char((0x563acd73bee0), ' ')
^  Call: (230) [user] skip_spaces((0x563acd73bee0))
   Call: (231) [system] peek_char((0x563acd73bee0), _1779852)
   Exit: (231) [system] peek_char((0x563acd73bee0), '(')
   Call: (231) [system] '('=(;)
   Fail: (231) [system] '('=(;)
   Call: (231) [system] '('=(/)
   Fail: (231) [system] '('=(/)
^  Call: (231) [user] is_like_space('(')
   Call: (232) [system] char_type('(', 'white')
   Fail: (232) [system] char_type('(', 'white')
   Call: (232) [system] char_type('(', end_of_line)
   Fail: (232) [system] char_type('(', end_of_line)
   Call: (232) [system] char_type('(', space)
   Fail: (232) [system] char_type('(', space)
   Call: (232) [system] char_type('(', cntrl)
   Fail: (232) [system] char_type('(', cntrl)
^  Fail: (231) [user] is_like_space('(')
^  Exit: (230) [user] skip_spaces((0x563acd73bee0))
^  Exit: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] peek_char((0x563acd73bee0), _1796786)
   Exit: (229) [system] peek_char((0x563acd73bee0), '(')
   Call: (229) [system] '('=')'
   Fail: (229) [system] '('=')'
   Call: (229) [system] '('=end_of_file
   Fail: (229) [system] '('=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x563acd73bee0), _1802356)
^  Call: (230) [user] skip_spaces((0x563acd73bee0))
   Call: (231) [system] peek_char((0x563acd73bee0), _1804214)
   Exit: (231) [system] peek_char((0x563acd73bee0), '(')
   Call: (231) [system] '('=(;)
   Fail: (231) [system] '('=(;)
   Call: (231) [system] '('=(/)
   Fail: (231) [system] '('=(/)
^  Call: (231) [user] is_like_space('(')
   Call: (232) [system] char_type('(', 'white')
   Fail: (232) [system] char_type('(', 'white')
   Call: (232) [system] char_type('(', end_of_line)
   Fail: (232) [system] char_type('(', end_of_line)
   Call: (232) [system] char_type('(', space)
   Fail: (232) [system] char_type('(', space)
   Call: (232) [system] char_type('(', cntrl)
   Fail: (232) [system] char_type('(', cntrl)
^  Fail: (231) [user] is_like_space('(')
^  Exit: (230) [user] skip_spaces((0x563acd73bee0))
   Call: (230) [system] get_char((0x563acd73bee0), _1820224)
   Exit: (230) [system] get_char((0x563acd73bee0), '(')
   Call: (230) [system] '('='('
   Exit: (230) [system] '('='('
^  Call: (230) [user] read_list(')', (0x563acd73bee0), _1802356)
^  Call: (231) [user] skip_spaces((0x563acd73bee0))
   Call: (232) [system] peek_char((0x563acd73bee0), _1825794)
   Exit: (232) [system] peek_char((0x563acd73bee0), 'O')
   Call: (232) [system] 'O'=(;)
   Fail: (232) [system] 'O'=(;)
   Call: (232) [system] 'O'=(/)
   Fail: (232) [system] 'O'=(/)
^  Call: (232) [user] is_like_space('O')
   Call: (233) [system] char_type('O', 'white')
   Fail: (233) [system] char_type('O', 'white')
   Call: (233) [system] char_type('O', end_of_line)
   Fail: (233) [system] char_type('O', end_of_line)
   Call: (233) [system] char_type('O', space)
   Fail: (233) [system] char_type('O', space)
   Call: (233) [system] char_type('O', cntrl)
   Fail: (233) [system] char_type('O', cntrl)
^  Fail: (232) [user] is_like_space('O')
^  Exit: (231) [user] skip_spaces((0x563acd73bee0))
   Call: (231) [system] peek_char((0x563acd73bee0), _1841804)
   Exit: (231) [system] peek_char((0x563acd73bee0), 'O')
   Call: (231) [system] 'O'=')'
   Fail: (231) [system] 'O'=')'
   Call: (231) [system] 'O'=end_of_file
   Fail: (231) [system] 'O'=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x563acd73bee0), _1847374)
^  Call: (232) [user] skip_spaces((0x563acd73bee0))
   Call: (233) [system] peek_char((0x563acd73bee0), _1849232)
   Exit: (233) [system] peek_char((0x563acd73bee0), 'O')
   Call: (233) [system] 'O'=(;)
   Fail: (233) [system] 'O'=(;)
   Call: (233) [system] 'O'=(/)
   Fail: (233) [system] 'O'=(/)
^  Call: (233) [user] is_like_space('O')
   Call: (234) [system] char_type('O', 'white')
   Fail: (234) [system] char_type('O', 'white')
   Call: (234) [system] char_type('O', end_of_line)
   Fail: (234) [system] char_type('O', end_of_line)
   Call: (234) [system] char_type('O', space)
   Fail: (234) [system] char_type('O', space)
   Call: (234) [system] char_type('O', cntrl)
   Fail: (234) [system] char_type('O', cntrl)
^  Fail: (233) [user] is_like_space('O')
^  Exit: (232) [user] skip_spaces((0x563acd73bee0))
   Call: (232) [system] get_char((0x563acd73bee0), _1865242)
   Exit: (232) [system] get_char((0x563acd73bee0), 'O')
   Call: (232) [system] 'O'='('
   Fail: (232) [system] 'O'='('
   Call: (232) [system] 'O'='['
   Fail: (232) [system] 'O'='['
   Call: (232) [system] 'O'='{'
   Fail: (232) [system] 'O'='{'
   Call: (232) [system] 'O'='"'
   Fail: (232) [system] 'O'='"'
   Call: (232) [system] 'O'=!
   Fail: (232) [system] 'O'=!
   Call: (232) [system] 'O'='\''
   Fail: (232) [system] 'O'='\''
   Call: (232) [system] 'O'='`'
   Fail: (232) [system] 'O'='`'
   Call: (232) [system] 'O'=end_of_file
   Fail: (232) [system] 'O'=end_of_file
^  Call: (232) [user] read_symbolic(')', (0x563acd73bee0), 'O', _1847374)
^  Call: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), _1882884)
   Call: (234) [system] peek_char((0x563acd73bee0), _1883818)
   Exit: (234) [system] peek_char((0x563acd73bee0), r)
^  Call: (234) [user] is_delimiter(r)
   Call: (235) [system] char_type(r, space)
   Fail: (235) [system] char_type(r, space)
   Call: (235) [system] arg(_1888538, v('(', ')', end_of_file), r)
   Fail: (235) [system] arg(_1889470, v('(', ')', end_of_file), r)
^  Fail: (234) [user] is_delimiter(r)
   Call: (234) [system] ')'==r
   Fail: (234) [system] ')'==r
   Call: (234) [system] get_char((0x563acd73bee0), r)
   Exit: (234) [system] get_char((0x563acd73bee0), r)
   Call: (234) [system] r=(\)
   Fail: (234) [system] r=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), _1896820)
   Call: (235) [system] peek_char((0x563acd73bee0), _1897754)
   Exit: (235) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (235) [user] is_delimiter('L')
   Call: (236) [system] char_type('L', space)
   Fail: (236) [system] char_type('L', space)
   Call: (236) [system] arg(_1902474, v('(', ')', end_of_file), 'L')
   Fail: (236) [system] arg(_1903406, v('(', ')', end_of_file), 'L')
^  Fail: (235) [user] is_delimiter('L')
   Call: (235) [system] ')'=='L'
   Fail: (235) [system] ')'=='L'
   Call: (235) [system] get_char((0x563acd73bee0), 'L')
   Exit: (235) [system] get_char((0x563acd73bee0), 'L')
   Call: (235) [system] 'L'=(\)
   Fail: (235) [system] 'L'=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), _1910756)
   Call: (236) [system] peek_char((0x563acd73bee0), _1911690)
   Exit: (236) [system] peek_char((0x563acd73bee0), i)
^  Call: (236) [user] is_delimiter(i)
   Call: (237) [system] char_type(i, space)
   Fail: (237) [system] char_type(i, space)
   Call: (237) [system] arg(_1916410, v('(', ')', end_of_file), i)
   Fail: (237) [system] arg(_1917342, v('(', ')', end_of_file), i)
^  Fail: (236) [user] is_delimiter(i)
   Call: (236) [system] ')'==i
   Fail: (236) [system] ')'==i
   Call: (236) [system] get_char((0x563acd73bee0), i)
   Exit: (236) [system] get_char((0x563acd73bee0), i)
   Call: (236) [system] i=(\)
   Fail: (236) [system] i=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), _1924692)
   Call: (237) [system] peek_char((0x563acd73bee0), _1925626)
   Exit: (237) [system] peek_char((0x563acd73bee0), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Fail: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_1930346, v('(', ')', end_of_file), n)
   Fail: (238) [system] arg(_1931278, v('(', ')', end_of_file), n)
^  Fail: (237) [user] is_delimiter(n)
   Call: (237) [system] ')'==n
   Fail: (237) [system] ')'==n
   Call: (237) [system] get_char((0x563acd73bee0), n)
   Exit: (237) [system] get_char((0x563acd73bee0), n)
   Call: (237) [system] n=(\)
   Fail: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), _1938628)
   Call: (238) [system] peek_char((0x563acd73bee0), _1939562)
   Exit: (238) [system] peek_char((0x563acd73bee0), k)
^  Call: (238) [user] is_delimiter(k)
   Call: (239) [system] char_type(k, space)
   Fail: (239) [system] char_type(k, space)
   Call: (239) [system] arg(_1944282, v('(', ')', end_of_file), k)
   Fail: (239) [system] arg(_1945214, v('(', ')', end_of_file), k)
^  Fail: (238) [user] is_delimiter(k)
   Call: (238) [system] ')'==k
   Fail: (238) [system] ')'==k
   Call: (238) [system] get_char((0x563acd73bee0), k)
   Exit: (238) [system] get_char((0x563acd73bee0), k)
   Call: (238) [system] k=(\)
   Fail: (238) [system] k=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x563acd73bee0), _1952564)
   Call: (239) [system] peek_char((0x563acd73bee0), _1953498)
   Exit: (239) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (239) [user] is_delimiter(' ')
   Call: (240) [system] char_type(' ', space)
   Exit: (240) [system] char_type(' ', space)
^  Exit: (239) [user] is_delimiter(' ')
   Call: (239) [system] _1952564=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (238) [system] _1938628=[k]
   Exit: (238) [system] [k]=[k]
^  Exit: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (237) [system] _1924692=[n, k]
   Exit: (237) [system] [n, k]=[n, k]
^  Exit: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (236) [system] _1910756=[i, n, k]
   Exit: (236) [system] [i, n, k]=[i, n, k]
^  Exit: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (235) [system] _1896820=['L', i, n, k]
   Exit: (235) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (234) [system] _1882884=[r, 'L', i, n, k]
   Exit: (234) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (233) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1847374)
^  Call: (234) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1976752)
^  Call: (236) [system] setup_call_cleanup('$notrace'(_1977704, _1977706), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1976752), _1977686, fail)), '$restore_trace'(_1977704, _1977706))
^  Call: (237) [system] sig_atomic(system:'$notrace'(_1977704, _1977706))
^  Exit: (236) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1976752), _1977686, fail)), system:'$restore_trace'(3, -1))
   Call: (235) [system] atomic(_1976752)
   Fail: (235) [system] atomic(_1976752)
   Call: (235) [system] atom_chars(_1976752, ['O', r, 'L', i, n, k])
   Exit: (235) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (234) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (234) [system] integer('OrLink')
   Fail: (234) [system] integer('OrLink')
   Call: (234) [system] _1847374='OrLink'
   Exit: (234) [system] 'OrLink'='OrLink'
^  Exit: (233) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (232) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (231) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (231) [user] read_list(')', (0x563acd73bee0), _1991702)
^  Call: (232) [user] skip_spaces((0x563acd73bee0))
   Call: (233) [system] peek_char((0x563acd73bee0), _1993560)
   Exit: (233) [system] peek_char((0x563acd73bee0), ' ')
   Call: (233) [system] ' '=(;)
   Fail: (233) [system] ' '=(;)
   Call: (233) [system] ' '=(/)
   Fail: (233) [system] ' '=(/)
^  Call: (233) [user] is_like_space(' ')
   Call: (234) [system] char_type(' ', 'white')
   Exit: (234) [system] char_type(' ', 'white')
^  Exit: (233) [user] is_like_space(' ')
   Call: (233) [system] get_char((0x563acd73bee0), _2003154)
   Exit: (233) [system] get_char((0x563acd73bee0), ' ')
^  Call: (233) [user] skip_spaces((0x563acd73bee0))
   Call: (234) [system] peek_char((0x563acd73bee0), _2005858)
   Exit: (234) [system] peek_char((0x563acd73bee0), 'C')
   Call: (234) [system] 'C'=(;)
   Fail: (234) [system] 'C'=(;)
   Call: (234) [system] 'C'=(/)
   Fail: (234) [system] 'C'=(/)
^  Call: (234) [user] is_like_space('C')
   Call: (235) [system] char_type('C', 'white')
   Fail: (235) [system] char_type('C', 'white')
   Call: (235) [system] char_type('C', end_of_line)
   Fail: (235) [system] char_type('C', end_of_line)
   Call: (235) [system] char_type('C', space)
   Fail: (235) [system] char_type('C', space)
   Call: (235) [system] char_type('C', cntrl)
   Fail: (235) [system] char_type('C', cntrl)
^  Fail: (234) [user] is_like_space('C')
^  Exit: (233) [user] skip_spaces((0x563acd73bee0))
^  Exit: (232) [user] skip_spaces((0x563acd73bee0))
   Call: (232) [system] peek_char((0x563acd73bee0), _2022792)
   Exit: (232) [system] peek_char((0x563acd73bee0), 'C')
   Call: (232) [system] 'C'=')'
   Fail: (232) [system] 'C'=')'
   Call: (232) [system] 'C'=end_of_file
   Fail: (232) [system] 'C'=end_of_file
^  Call: (232) [user] cont_sexpr(')', (0x563acd73bee0), _2028362)
^  Call: (233) [user] skip_spaces((0x563acd73bee0))
   Call: (234) [system] peek_char((0x563acd73bee0), _2030220)
   Exit: (234) [system] peek_char((0x563acd73bee0), 'C')
   Call: (234) [system] 'C'=(;)
   Fail: (234) [system] 'C'=(;)
   Call: (234) [system] 'C'=(/)
   Fail: (234) [system] 'C'=(/)
^  Call: (234) [user] is_like_space('C')
   Call: (235) [system] char_type('C', 'white')
   Fail: (235) [system] char_type('C', 'white')
   Call: (235) [system] char_type('C', end_of_line)
   Fail: (235) [system] char_type('C', end_of_line)
   Call: (235) [system] char_type('C', space)
   Fail: (235) [system] char_type('C', space)
   Call: (235) [system] char_type('C', cntrl)
   Fail: (235) [system] char_type('C', cntrl)
^  Fail: (234) [user] is_like_space('C')
^  Exit: (233) [user] skip_spaces((0x563acd73bee0))
   Call: (233) [system] get_char((0x563acd73bee0), _2046230)
   Exit: (233) [system] get_char((0x563acd73bee0), 'C')
   Call: (233) [system] 'C'='('
   Fail: (233) [system] 'C'='('
   Call: (233) [system] 'C'='['
   Fail: (233) [system] 'C'='['
   Call: (233) [system] 'C'='{'
   Fail: (233) [system] 'C'='{'
   Call: (233) [system] 'C'='"'
   Fail: (233) [system] 'C'='"'
   Call: (233) [system] 'C'=!
   Fail: (233) [system] 'C'=!
   Call: (233) [system] 'C'='\''
   Fail: (233) [system] 'C'='\''
   Call: (233) [system] 'C'='`'
   Fail: (233) [system] 'C'='`'
   Call: (233) [system] 'C'=end_of_file
   Fail: (233) [system] 'C'=end_of_file
^  Call: (233) [user] read_symbolic(')', (0x563acd73bee0), 'C', _2028362)
^  Call: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), _2063872)
   Call: (235) [system] peek_char((0x563acd73bee0), _2064806)
   Exit: (235) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (235) [user] is_delimiter(' ')
   Call: (236) [system] char_type(' ', space)
   Exit: (236) [system] char_type(' ', space)
^  Exit: (235) [user] is_delimiter(' ')
   Call: (235) [system] _2063872=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (234) [user] classify_and_convert_charseq(['C'], _2028362)
^  Call: (235) [user] classify_and_convert_charseq_(['C'], _2074090)
^  Call: (237) [system] setup_call_cleanup('$notrace'(_2075042, _2075044), once(user:catch(read_from_chars(['C'], _2074090), _2075024, fail)), '$restore_trace'(_2075042, _2075044))
^  Call: (238) [system] sig_atomic(system:'$notrace'(_2075042, _2075044))
^  Exit: (237) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _2074090), _2075024, fail)), system:'$restore_trace'(3, -1))
   Call: (236) [system] atomic(_2074090)
   Fail: (236) [system] atomic(_2074090)
   Call: (236) [system] atom_chars(_2074090, ['C'])
   Exit: (236) [system] atom_chars('C', ['C'])
^  Exit: (235) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (235) [system] integer('C')
   Fail: (235) [system] integer('C')
   Call: (235) [system] _2028362='C'
   Exit: (235) [system] 'C'='C'
^  Exit: (234) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (233) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (232) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (232) [user] read_list(')', (0x563acd73bee0), _2089040)
^  Call: (233) [user] skip_spaces((0x563acd73bee0))
   Call: (234) [system] peek_char((0x563acd73bee0), _2090898)
   Exit: (234) [system] peek_char((0x563acd73bee0), ' ')
   Call: (234) [system] ' '=(;)
   Fail: (234) [system] ' '=(;)
   Call: (234) [system] ' '=(/)
   Fail: (234) [system] ' '=(/)
^  Call: (234) [user] is_like_space(' ')
   Call: (235) [system] char_type(' ', 'white')
   Exit: (235) [system] char_type(' ', 'white')
^  Exit: (234) [user] is_like_space(' ')
   Call: (234) [system] get_char((0x563acd73bee0), _9946)
   Exit: (234) [system] get_char((0x563acd73bee0), ' ')
^  Call: (234) [user] skip_spaces((0x563acd73bee0))
   Call: (235) [system] peek_char((0x563acd73bee0), _12650)
   Exit: (235) [system] peek_char((0x563acd73bee0), 'D')
   Call: (235) [system] 'D'=(;)
   Fail: (235) [system] 'D'=(;)
   Call: (235) [system] 'D'=(/)
   Fail: (235) [system] 'D'=(/)
^  Call: (235) [user] is_like_space('D')
   Call: (236) [system] char_type('D', 'white')
   Fail: (236) [system] char_type('D', 'white')
   Call: (236) [system] char_type('D', end_of_line)
   Fail: (236) [system] char_type('D', end_of_line)
   Call: (236) [system] char_type('D', space)
   Fail: (236) [system] char_type('D', space)
   Call: (236) [system] char_type('D', cntrl)
   Fail: (236) [system] char_type('D', cntrl)
^  Fail: (235) [user] is_like_space('D')
^  Exit: (234) [user] skip_spaces((0x563acd73bee0))
^  Exit: (233) [user] skip_spaces((0x563acd73bee0))
   Call: (233) [system] peek_char((0x563acd73bee0), _29584)
   Exit: (233) [system] peek_char((0x563acd73bee0), 'D')
   Call: (233) [system] 'D'=')'
   Fail: (233) [system] 'D'=')'
   Call: (233) [system] 'D'=end_of_file
   Fail: (233) [system] 'D'=end_of_file
^  Call: (233) [user] cont_sexpr(')', (0x563acd73bee0), _35154)
^  Call: (234) [user] skip_spaces((0x563acd73bee0))
   Call: (235) [system] peek_char((0x563acd73bee0), _37012)
   Exit: (235) [system] peek_char((0x563acd73bee0), 'D')
   Call: (235) [system] 'D'=(;)
   Fail: (235) [system] 'D'=(;)
   Call: (235) [system] 'D'=(/)
   Fail: (235) [system] 'D'=(/)
^  Call: (235) [user] is_like_space('D')
   Call: (236) [system] char_type('D', 'white')
   Fail: (236) [system] char_type('D', 'white')
   Call: (236) [system] char_type('D', end_of_line)
   Fail: (236) [system] char_type('D', end_of_line)
   Call: (236) [system] char_type('D', space)
   Fail: (236) [system] char_type('D', space)
   Call: (236) [system] char_type('D', cntrl)
   Fail: (236) [system] char_type('D', cntrl)
^  Fail: (235) [user] is_like_space('D')
^  Exit: (234) [user] skip_spaces((0x563acd73bee0))
   Call: (234) [system] get_char((0x563acd73bee0), _53022)
   Exit: (234) [system] get_char((0x563acd73bee0), 'D')
   Call: (234) [system] 'D'='('
   Fail: (234) [system] 'D'='('
   Call: (234) [system] 'D'='['
   Fail: (234) [system] 'D'='['
   Call: (234) [system] 'D'='{'
   Fail: (234) [system] 'D'='{'
   Call: (234) [system] 'D'='"'
   Fail: (234) [system] 'D'='"'
   Call: (234) [system] 'D'=!
   Fail: (234) [system] 'D'=!
   Call: (234) [system] 'D'='\''
   Fail: (234) [system] 'D'='\''
   Call: (234) [system] 'D'='`'
   Fail: (234) [system] 'D'='`'
   Call: (234) [system] 'D'=end_of_file
   Fail: (234) [system] 'D'=end_of_file
^  Call: (234) [user] read_symbolic(')', (0x563acd73bee0), 'D', _35154)
^  Call: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), _70664)
   Call: (236) [system] peek_char((0x563acd73bee0), _71598)
   Exit: (236) [system] peek_char((0x563acd73bee0), ')')
^  Call: (236) [user] is_delimiter(')')
   Call: (237) [system] char_type(')', space)
   Fail: (237) [system] char_type(')', space)
   Call: (237) [system] arg(_76318, v('(', ')', end_of_file), ')')
   Exit: (237) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (236) [user] is_delimiter(')')
   Call: (236) [system] _70664=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (235) [user] classify_and_convert_charseq(['D'], _35154)
^  Call: (236) [user] classify_and_convert_charseq_(['D'], _82754)
^  Call: (238) [system] setup_call_cleanup('$notrace'(_83706, _83708), once(user:catch(read_from_chars(['D'], _82754), _83688, fail)), '$restore_trace'(_83706, _83708))
^  Call: (239) [system] sig_atomic(system:'$notrace'(_83706, _83708))
^  Exit: (238) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _82754), _83688, fail)), system:'$restore_trace'(3, -1))
   Call: (237) [system] atomic(_82754)
   Fail: (237) [system] atomic(_82754)
   Call: (237) [system] atom_chars(_82754, ['D'])
   Exit: (237) [system] atom_chars('D', ['D'])
^  Exit: (236) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (236) [system] integer('D')
   Fail: (236) [system] integer('D')
   Call: (236) [system] _35154='D'
   Exit: (236) [system] 'D'='D'
^  Exit: (235) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (234) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'D')
^  Exit: (233) [user] cont_sexpr(')', (0x563acd73bee0), 'D')
^  Call: (233) [user] read_list(')', (0x563acd73bee0), _97704)
^  Call: (234) [user] skip_spaces((0x563acd73bee0))
   Call: (235) [system] peek_char((0x563acd73bee0), _99562)
   Exit: (235) [system] peek_char((0x563acd73bee0), ')')
   Call: (235) [system] ')'=(;)
   Fail: (235) [system] ')'=(;)
   Call: (235) [system] ')'=(/)
   Fail: (235) [system] ')'=(/)
^  Call: (235) [user] is_like_space(')')
   Call: (236) [system] char_type(')', 'white')
   Fail: (236) [system] char_type(')', 'white')
   Call: (236) [system] char_type(')', end_of_line)
   Fail: (236) [system] char_type(')', end_of_line)
   Call: (236) [system] char_type(')', space)
   Fail: (236) [system] char_type(')', space)
   Call: (236) [system] char_type(')', cntrl)
   Fail: (236) [system] char_type(')', cntrl)
^  Fail: (235) [user] is_like_space(')')
^  Exit: (234) [user] skip_spaces((0x563acd73bee0))
   Call: (234) [system] peek_char((0x563acd73bee0), _115572)
   Exit: (234) [system] peek_char((0x563acd73bee0), ')')
   Call: (234) [system] ')'=')'
   Exit: (234) [system] ')'=')'
   Call: (234) [system] get_char((0x563acd73bee0), _119362)
   Exit: (234) [system] get_char((0x563acd73bee0), ')')
   Call: (234) [system] _97704=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_list(')', (0x563acd73bee0), [])
   Call: (233) [system] _6244=['D']
   Exit: (233) [system] ['D']=['D']
^  Exit: (232) [user] read_list(')', (0x563acd73bee0), ['D'])
   Call: (232) [system] _6238=['C', 'D']
   Exit: (232) [system] ['C', 'D']=['C', 'D']
^  Exit: (231) [user] read_list(')', (0x563acd73bee0), ['C', 'D'])
   Call: (231) [system] _6230=['OrLink', 'C', 'D']
   Exit: (231) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (230) [user] read_list(')', (0x563acd73bee0), ['OrLink', 'C', 'D'])
^  Exit: (229) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', 'C', 'D'])
^  Call: (229) [user] read_list(')', (0x563acd73bee0), _133244)
^  Call: (230) [user] skip_spaces((0x563acd73bee0))
   Call: (231) [system] peek_char((0x563acd73bee0), _135102)
   Exit: (231) [system] peek_char((0x563acd73bee0), ' ')
   Call: (231) [system] ' '=(;)
   Fail: (231) [system] ' '=(;)
   Call: (231) [system] ' '=(/)
   Fail: (231) [system] ' '=(/)
^  Call: (231) [user] is_like_space(' ')
   Call: (232) [system] char_type(' ', 'white')
   Exit: (232) [system] char_type(' ', 'white')
^  Exit: (231) [user] is_like_space(' ')
   Call: (231) [system] get_char((0x563acd73bee0), _144696)
   Exit: (231) [system] get_char((0x563acd73bee0), ' ')
^  Call: (231) [user] skip_spaces((0x563acd73bee0))
   Call: (232) [system] peek_char((0x563acd73bee0), _147400)
   Exit: (232) [system] peek_char((0x563acd73bee0), 'E')
   Call: (232) [system] 'E'=(;)
   Fail: (232) [system] 'E'=(;)
   Call: (232) [system] 'E'=(/)
   Fail: (232) [system] 'E'=(/)
^  Call: (232) [user] is_like_space('E')
   Call: (233) [system] char_type('E', 'white')
   Fail: (233) [system] char_type('E', 'white')
   Call: (233) [system] char_type('E', end_of_line)
   Fail: (233) [system] char_type('E', end_of_line)
   Call: (233) [system] char_type('E', space)
   Fail: (233) [system] char_type('E', space)
   Call: (233) [system] char_type('E', cntrl)
   Fail: (233) [system] char_type('E', cntrl)
^  Fail: (232) [user] is_like_space('E')
^  Exit: (231) [user] skip_spaces((0x563acd73bee0))
^  Exit: (230) [user] skip_spaces((0x563acd73bee0))
   Call: (230) [system] peek_char((0x563acd73bee0), _164334)
   Exit: (230) [system] peek_char((0x563acd73bee0), 'E')
   Call: (230) [system] 'E'=')'
   Fail: (230) [system] 'E'=')'
   Call: (230) [system] 'E'=end_of_file
   Fail: (230) [system] 'E'=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x563acd73bee0), _169904)
^  Call: (231) [user] skip_spaces((0x563acd73bee0))
   Call: (232) [system] peek_char((0x563acd73bee0), _171762)
   Exit: (232) [system] peek_char((0x563acd73bee0), 'E')
   Call: (232) [system] 'E'=(;)
   Fail: (232) [system] 'E'=(;)
   Call: (232) [system] 'E'=(/)
   Fail: (232) [system] 'E'=(/)
^  Call: (232) [user] is_like_space('E')
   Call: (233) [system] char_type('E', 'white')
   Fail: (233) [system] char_type('E', 'white')
   Call: (233) [system] char_type('E', end_of_line)
   Fail: (233) [system] char_type('E', end_of_line)
   Call: (233) [system] char_type('E', space)
   Fail: (233) [system] char_type('E', space)
   Call: (233) [system] char_type('E', cntrl)
   Fail: (233) [system] char_type('E', cntrl)
^  Fail: (232) [user] is_like_space('E')
^  Exit: (231) [user] skip_spaces((0x563acd73bee0))
   Call: (231) [system] get_char((0x563acd73bee0), _187772)
   Exit: (231) [system] get_char((0x563acd73bee0), 'E')
   Call: (231) [system] 'E'='('
   Fail: (231) [system] 'E'='('
   Call: (231) [system] 'E'='['
   Fail: (231) [system] 'E'='['
   Call: (231) [system] 'E'='{'
   Fail: (231) [system] 'E'='{'
   Call: (231) [system] 'E'='"'
   Fail: (231) [system] 'E'='"'
   Call: (231) [system] 'E'=!
   Fail: (231) [system] 'E'=!
   Call: (231) [system] 'E'='\''
   Fail: (231) [system] 'E'='\''
   Call: (231) [system] 'E'='`'
   Fail: (231) [system] 'E'='`'
   Call: (231) [system] 'E'=end_of_file
   Fail: (231) [system] 'E'=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x563acd73bee0), 'E', _169904)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _205414)
   Call: (233) [system] peek_char((0x563acd73bee0), _206348)
   Exit: (233) [system] peek_char((0x563acd73bee0), ')')
^  Call: (233) [user] is_delimiter(')')
   Call: (234) [system] char_type(')', space)
   Fail: (234) [system] char_type(')', space)
   Call: (234) [system] arg(_211068, v('(', ')', end_of_file), ')')
   Exit: (234) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (233) [user] is_delimiter(')')
   Call: (233) [system] _205414=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (232) [user] classify_and_convert_charseq(['E'], _169904)
^  Call: (233) [user] classify_and_convert_charseq_(['E'], _217504)
^  Call: (235) [system] setup_call_cleanup('$notrace'(_218456, _218458), once(user:catch(read_from_chars(['E'], _217504), _218438, fail)), '$restore_trace'(_218456, _218458))
^  Call: (236) [system] sig_atomic(system:'$notrace'(_218456, _218458))
^  Exit: (235) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _217504), _218438, fail)), system:'$restore_trace'(3, -1))
   Call: (234) [system] atomic(_217504)
   Fail: (234) [system] atomic(_217504)
   Call: (234) [system] atom_chars(_217504, ['E'])
   Exit: (234) [system] atom_chars('E', ['E'])
^  Exit: (233) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (233) [system] integer('E')
   Fail: (233) [system] integer('E')
   Call: (233) [system] _169904='E'
   Exit: (233) [system] 'E'='E'
^  Exit: (232) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (231) [user] read_symbolic(')', (0x563acd73bee0), 'E', 'E')
^  Exit: (230) [user] cont_sexpr(')', (0x563acd73bee0), 'E')
^  Call: (230) [user] read_list(')', (0x563acd73bee0), _232454)
^  Call: (231) [user] skip_spaces((0x563acd73bee0))
   Call: (232) [system] peek_char((0x563acd73bee0), _234312)
   Exit: (232) [system] peek_char((0x563acd73bee0), ')')
   Call: (232) [system] ')'=(;)
   Fail: (232) [system] ')'=(;)
   Call: (232) [system] ')'=(/)
   Fail: (232) [system] ')'=(/)
^  Call: (232) [user] is_like_space(')')
   Call: (233) [system] char_type(')', 'white')
   Fail: (233) [system] char_type(')', 'white')
   Call: (233) [system] char_type(')', end_of_line)
   Fail: (233) [system] char_type(')', end_of_line)
   Call: (233) [system] char_type(')', space)
   Fail: (233) [system] char_type(')', space)
   Call: (233) [system] char_type(')', cntrl)
   Fail: (233) [system] char_type(')', cntrl)
^  Fail: (232) [user] is_like_space(')')
^  Exit: (231) [user] skip_spaces((0x563acd73bee0))
   Call: (231) [system] peek_char((0x563acd73bee0), _250322)
   Exit: (231) [system] peek_char((0x563acd73bee0), ')')
   Call: (231) [system] ')'=')'
   Exit: (231) [system] ')'=')'
   Call: (231) [system] get_char((0x563acd73bee0), _254112)
   Exit: (231) [system] get_char((0x563acd73bee0), ')')
   Call: (231) [system] _232454=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_list(')', (0x563acd73bee0), [])
   Call: (230) [system] _133244=['E']
   Exit: (230) [system] ['E']=['E']
^  Exit: (229) [user] read_list(')', (0x563acd73bee0), ['E'])
   Call: (229) [system] _6226=[['OrLink', 'C', 'D'], 'E']
   Exit: (229) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (228) [user] read_list(')', (0x563acd73bee0), [['OrLink', 'C', 'D'], 'E'])
   Call: (228) [system] _6218=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (228) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (227) [user] read_list(')', (0x563acd73bee0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (226) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (226) [user] read_list(')', (0x563acd73bee0), _267994)
^  Call: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _269852)
   Exit: (228) [system] peek_char((0x563acd73bee0), ')')
   Call: (228) [system] ')'=(;)
   Fail: (228) [system] ')'=(;)
   Call: (228) [system] ')'=(/)
   Fail: (228) [system] ')'=(/)
^  Call: (228) [user] is_like_space(')')
   Call: (229) [system] char_type(')', 'white')
   Fail: (229) [system] char_type(')', 'white')
   Call: (229) [system] char_type(')', end_of_line)
   Fail: (229) [system] char_type(')', end_of_line)
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] char_type(')', cntrl)
   Fail: (229) [system] char_type(')', cntrl)
^  Fail: (228) [user] is_like_space(')')
^  Exit: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _285862)
   Exit: (227) [system] peek_char((0x563acd73bee0), ')')
   Call: (227) [system] ')'=')'
   Exit: (227) [system] ')'=')'
   Call: (227) [system] get_char((0x563acd73bee0), _289652)
   Exit: (227) [system] get_char((0x563acd73bee0), ')')
   Call: (227) [system] _267994=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_list(')', (0x563acd73bee0), [])
   Call: (226) [system] _6214=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (226) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (225) [user] read_list(')', (0x563acd73bee0), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (225) [system] _6208=['A', ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (225) [system] ['A', ['Implication', ['OrLink', 'C', 'D'], 'E']]=['A', ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (224) [user] read_list(')', (0x563acd73bee0), ['A', ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (224) [system] _6200=['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (224) [system] ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]=['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (223) [user] read_list(')', (0x563acd73bee0), ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (222) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (222) [user] read_list(')', (0x563acd73bee0), _303534)
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _305392)
   Exit: (224) [system] peek_char((0x563acd73bee0), ')')
   Call: (224) [system] ')'=(;)
   Fail: (224) [system] ')'=(;)
   Call: (224) [system] ')'=(/)
   Fail: (224) [system] ')'=(/)
^  Call: (224) [user] is_like_space(')')
   Call: (225) [system] char_type(')', 'white')
   Fail: (225) [system] char_type(')', 'white')
   Call: (225) [system] char_type(')', end_of_line)
   Fail: (225) [system] char_type(')', end_of_line)
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] char_type(')', cntrl)
   Fail: (225) [system] char_type(')', cntrl)
^  Fail: (224) [user] is_like_space(')')
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _321402)
   Exit: (223) [system] peek_char((0x563acd73bee0), ')')
   Call: (223) [system] ')'=')'
   Exit: (223) [system] ')'=')'
   Call: (223) [system] get_char((0x563acd73bee0), _325192)
   Exit: (223) [system] get_char((0x563acd73bee0), ')')
   Call: (223) [system] _303534=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_list(')', (0x563acd73bee0), [])
   Call: (222) [system] _6196=[['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (222) [system] [['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (221) [user] read_list(')', (0x563acd73bee0), [['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (221) [system] _6172=[['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (221) [system] [['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (220) [user] read_list(')', (0x563acd73bee0), [['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (220) [system] _6164=[:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (220) [system] [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (219) [user] read_list(')', (0x563acd73bee0), [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (218) [user] cont_sexpr(')', (0x563acd73bee0), [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (218) [user] read_list(')', (0x563acd73bee0), _339074)
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _340932)
   Exit: (220) [system] peek_char((0x563acd73bee0), '\n')
   Call: (220) [system] '\n'=(;)
   Fail: (220) [system] '\n'=(;)
   Call: (220) [system] '\n'=(/)
   Fail: (220) [system] '\n'=(/)
^  Call: (220) [user] is_like_space('\n')
   Call: (221) [system] char_type('\n', 'white')
   Fail: (221) [system] char_type('\n', 'white')
   Call: (221) [system] char_type('\n', end_of_line)
   Exit: (221) [system] char_type('\n', end_of_line)
^  Exit: (220) [user] is_like_space('\n')
   Call: (220) [system] get_char((0x563acd73bee0), _352382)
   Exit: (220) [system] get_char((0x563acd73bee0), '\n')
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _355086)
   Exit: (221) [system] peek_char((0x563acd73bee0), '\t')
   Call: (221) [system] '\t'=(;)
   Fail: (221) [system] '\t'=(;)
   Call: (221) [system] '\t'=(/)
   Fail: (221) [system] '\t'=(/)
^  Call: (221) [user] is_like_space('\t')
   Call: (222) [system] char_type('\t', 'white')
   Exit: (222) [system] char_type('\t', 'white')
^  Exit: (221) [user] is_like_space('\t')
   Call: (221) [system] get_char((0x563acd73bee0), _364680)
   Exit: (221) [system] get_char((0x563acd73bee0), '\t')
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _367384)
   Exit: (222) [system] peek_char((0x563acd73bee0), '\t')
   Call: (222) [system] '\t'=(;)
   Fail: (222) [system] '\t'=(;)
   Call: (222) [system] '\t'=(/)
   Fail: (222) [system] '\t'=(/)
^  Call: (222) [user] is_like_space('\t')
   Call: (223) [system] char_type('\t', 'white')
   Exit: (223) [system] char_type('\t', 'white')
^  Exit: (222) [user] is_like_space('\t')
   Call: (222) [system] get_char((0x563acd73bee0), _376978)
   Exit: (222) [system] get_char((0x563acd73bee0), '\t')
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _379682)
   Exit: (223) [system] peek_char((0x563acd73bee0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x563acd73bee0), _389276)
   Exit: (223) [system] get_char((0x563acd73bee0), ' ')
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _391980)
   Exit: (224) [system] peek_char((0x563acd73bee0), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
   Call: (224) [system] '('=(/)
   Fail: (224) [system] '('=(/)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _411686)
   Exit: (219) [system] peek_char((0x563acd73bee0), '(')
   Call: (219) [system] '('=')'
   Fail: (219) [system] '('=')'
   Call: (219) [system] '('=end_of_file
   Fail: (219) [system] '('=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x563acd73bee0), _417256)
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _419114)
   Exit: (221) [system] peek_char((0x563acd73bee0), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] get_char((0x563acd73bee0), _435124)
   Exit: (220) [system] get_char((0x563acd73bee0), '(')
   Call: (220) [system] '('='('
   Exit: (220) [system] '('='('
^  Call: (220) [user] read_list(')', (0x563acd73bee0), _417256)
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _440694)
   Exit: (222) [system] peek_char((0x563acd73bee0), :)
   Call: (222) [system] (:)=(;)
   Fail: (222) [system] (:)=(;)
   Call: (222) [system] (:)=(/)
   Fail: (222) [system] (:)=(/)
^  Call: (222) [user] is_like_space(:)
   Call: (223) [system] char_type(:, 'white')
   Fail: (223) [system] char_type(:, 'white')
   Call: (223) [system] char_type(:, end_of_line)
   Fail: (223) [system] char_type(:, end_of_line)
   Call: (223) [system] char_type(:, space)
   Fail: (223) [system] char_type(:, space)
   Call: (223) [system] char_type(:, cntrl)
   Fail: (223) [system] char_type(:, cntrl)
^  Fail: (222) [user] is_like_space(:)
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _456704)
   Exit: (221) [system] peek_char((0x563acd73bee0), :)
   Call: (221) [system] (:)=')'
   Fail: (221) [system] (:)=')'
   Call: (221) [system] (:)=end_of_file
   Fail: (221) [system] (:)=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x563acd73bee0), _462274)
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _464132)
   Exit: (223) [system] peek_char((0x563acd73bee0), :)
   Call: (223) [system] (:)=(;)
   Fail: (223) [system] (:)=(;)
   Call: (223) [system] (:)=(/)
   Fail: (223) [system] (:)=(/)
^  Call: (223) [user] is_like_space(:)
   Call: (224) [system] char_type(:, 'white')
   Fail: (224) [system] char_type(:, 'white')
   Call: (224) [system] char_type(:, end_of_line)
   Fail: (224) [system] char_type(:, end_of_line)
   Call: (224) [system] char_type(:, space)
   Fail: (224) [system] char_type(:, space)
   Call: (224) [system] char_type(:, cntrl)
   Fail: (224) [system] char_type(:, cntrl)
^  Fail: (223) [user] is_like_space(:)
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] get_char((0x563acd73bee0), _480142)
   Exit: (222) [system] get_char((0x563acd73bee0), :)
   Call: (222) [system] (:)='('
   Fail: (222) [system] (:)='('
   Call: (222) [system] (:)='['
   Fail: (222) [system] (:)='['
   Call: (222) [system] (:)='{'
   Fail: (222) [system] (:)='{'
   Call: (222) [system] (:)='"'
   Fail: (222) [system] (:)='"'
   Call: (222) [system] (:)=!
   Fail: (222) [system] (:)=!
   Call: (222) [system] (:)='\''
   Fail: (222) [system] (:)='\''
   Call: (222) [system] (:)='`'
   Fail: (222) [system] (:)='`'
   Call: (222) [system] (:)=end_of_file
   Fail: (222) [system] (:)=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x563acd73bee0), :, _462274)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _497784)
   Call: (224) [system] peek_char((0x563acd73bee0), _498718)
   Exit: (224) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _497784=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (223) [user] classify_and_convert_charseq([:], _462274)
^  Call: (224) [user] classify_and_convert_charseq_([:], _508002)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_508954, _508956), once(user:catch(read_from_chars([:], _508002), _508936, fail)), '$restore_trace'(_508954, _508956))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_508954, _508956))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _508936, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(:)
   Exit: (225) [system] atomic(:)
^  Exit: (224) [user] classify_and_convert_charseq_([:], :)
   Call: (224) [system] integer(:)
   Fail: (224) [system] integer(:)
   Call: (224) [system] _462274=(:)
   Exit: (224) [system] (:)=(:)
^  Exit: (223) [user] classify_and_convert_charseq([:], :)
^  Exit: (222) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (221) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (221) [user] read_list(')', (0x563acd73bee0), _521082)
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _522940)
   Exit: (223) [system] peek_char((0x563acd73bee0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x563acd73bee0), _532534)
   Exit: (223) [system] get_char((0x563acd73bee0), ' ')
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _535238)
   Exit: (224) [system] peek_char((0x563acd73bee0), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
   Call: (224) [system] '('=(/)
   Fail: (224) [system] '('=(/)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _552172)
   Exit: (222) [system] peek_char((0x563acd73bee0), '(')
   Call: (222) [system] '('=')'
   Fail: (222) [system] '('=')'
   Call: (222) [system] '('=end_of_file
   Fail: (222) [system] '('=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x563acd73bee0), _557742)
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _559600)
   Exit: (224) [system] peek_char((0x563acd73bee0), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
   Call: (224) [system] '('=(/)
   Fail: (224) [system] '('=(/)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] get_char((0x563acd73bee0), _575610)
   Exit: (223) [system] get_char((0x563acd73bee0), '(')
   Call: (223) [system] '('='('
   Exit: (223) [system] '('='('
^  Call: (223) [user] read_list(')', (0x563acd73bee0), _557742)
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _581180)
   Exit: (225) [system] peek_char((0x563acd73bee0), 'D')
   Call: (225) [system] 'D'=(;)
   Fail: (225) [system] 'D'=(;)
   Call: (225) [system] 'D'=(/)
   Fail: (225) [system] 'D'=(/)
^  Call: (225) [user] is_like_space('D')
   Call: (226) [system] char_type('D', 'white')
   Fail: (226) [system] char_type('D', 'white')
   Call: (226) [system] char_type('D', end_of_line)
   Fail: (226) [system] char_type('D', end_of_line)
   Call: (226) [system] char_type('D', space)
   Fail: (226) [system] char_type('D', space)
   Call: (226) [system] char_type('D', cntrl)
   Fail: (226) [system] char_type('D', cntrl)
^  Fail: (225) [user] is_like_space('D')
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _597190)
   Exit: (224) [system] peek_char((0x563acd73bee0), 'D')
   Call: (224) [system] 'D'=')'
   Fail: (224) [system] 'D'=')'
   Call: (224) [system] 'D'=end_of_file
   Fail: (224) [system] 'D'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x563acd73bee0), _602760)
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _604618)
   Exit: (226) [system] peek_char((0x563acd73bee0), 'D')
   Call: (226) [system] 'D'=(;)
   Fail: (226) [system] 'D'=(;)
   Call: (226) [system] 'D'=(/)
   Fail: (226) [system] 'D'=(/)
^  Call: (226) [user] is_like_space('D')
   Call: (227) [system] char_type('D', 'white')
   Fail: (227) [system] char_type('D', 'white')
   Call: (227) [system] char_type('D', end_of_line)
   Fail: (227) [system] char_type('D', end_of_line)
   Call: (227) [system] char_type('D', space)
   Fail: (227) [system] char_type('D', space)
   Call: (227) [system] char_type('D', cntrl)
   Fail: (227) [system] char_type('D', cntrl)
^  Fail: (226) [user] is_like_space('D')
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] get_char((0x563acd73bee0), _620628)
   Exit: (225) [system] get_char((0x563acd73bee0), 'D')
   Call: (225) [system] 'D'='('
   Fail: (225) [system] 'D'='('
   Call: (225) [system] 'D'='['
   Fail: (225) [system] 'D'='['
   Call: (225) [system] 'D'='{'
   Fail: (225) [system] 'D'='{'
   Call: (225) [system] 'D'='"'
   Fail: (225) [system] 'D'='"'
   Call: (225) [system] 'D'=!
   Fail: (225) [system] 'D'=!
   Call: (225) [system] 'D'='\''
   Fail: (225) [system] 'D'='\''
   Call: (225) [system] 'D'='`'
   Fail: (225) [system] 'D'='`'
   Call: (225) [system] 'D'=end_of_file
   Fail: (225) [system] 'D'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x563acd73bee0), 'D', _602760)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _638270)
   Call: (227) [system] peek_char((0x563acd73bee0), _639204)
   Exit: (227) [system] peek_char((0x563acd73bee0), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_643924, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_644856, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x563acd73bee0), i)
   Exit: (227) [system] get_char((0x563acd73bee0), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _652206)
   Call: (228) [system] peek_char((0x563acd73bee0), _653140)
   Exit: (228) [system] peek_char((0x563acd73bee0), s)
^  Call: (228) [user] is_delimiter(s)
   Call: (229) [system] char_type(s, space)
   Fail: (229) [system] char_type(s, space)
   Call: (229) [system] arg(_657860, v('(', ')', end_of_file), s)
   Fail: (229) [system] arg(_658792, v('(', ')', end_of_file), s)
^  Fail: (228) [user] is_delimiter(s)
   Call: (228) [system] ')'==s
   Fail: (228) [system] ')'==s
   Call: (228) [system] get_char((0x563acd73bee0), s)
   Exit: (228) [system] get_char((0x563acd73bee0), s)
   Call: (228) [system] s=(\)
   Fail: (228) [system] s=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _666142)
   Call: (229) [system] peek_char((0x563acd73bee0), _667076)
   Exit: (229) [system] peek_char((0x563acd73bee0), j)
^  Call: (229) [user] is_delimiter(j)
   Call: (230) [system] char_type(j, space)
   Fail: (230) [system] char_type(j, space)
   Call: (230) [system] arg(_671796, v('(', ')', end_of_file), j)
   Fail: (230) [system] arg(_672728, v('(', ')', end_of_file), j)
^  Fail: (229) [user] is_delimiter(j)
   Call: (229) [system] ')'==j
   Fail: (229) [system] ')'==j
   Call: (229) [system] get_char((0x563acd73bee0), j)
   Exit: (229) [system] get_char((0x563acd73bee0), j)
   Call: (229) [system] j=(\)
   Fail: (229) [system] j=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _680078)
   Call: (230) [system] peek_char((0x563acd73bee0), _681012)
   Exit: (230) [system] peek_char((0x563acd73bee0), u)
^  Call: (230) [user] is_delimiter(u)
   Call: (231) [system] char_type(u, space)
   Fail: (231) [system] char_type(u, space)
   Call: (231) [system] arg(_685732, v('(', ')', end_of_file), u)
   Fail: (231) [system] arg(_686664, v('(', ')', end_of_file), u)
^  Fail: (230) [user] is_delimiter(u)
   Call: (230) [system] ')'==u
   Fail: (230) [system] ')'==u
   Call: (230) [system] get_char((0x563acd73bee0), u)
   Exit: (230) [system] get_char((0x563acd73bee0), u)
   Call: (230) [system] u=(\)
   Fail: (230) [system] u=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _694014)
   Call: (231) [system] peek_char((0x563acd73bee0), _694948)
   Exit: (231) [system] peek_char((0x563acd73bee0), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_699668, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_700600, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x563acd73bee0), n)
   Exit: (231) [system] get_char((0x563acd73bee0), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _707950)
   Call: (232) [system] peek_char((0x563acd73bee0), _708884)
   Exit: (232) [system] peek_char((0x563acd73bee0), c)
^  Call: (232) [user] is_delimiter(c)
   Call: (233) [system] char_type(c, space)
   Fail: (233) [system] char_type(c, space)
   Call: (233) [system] arg(_713604, v('(', ')', end_of_file), c)
   Fail: (233) [system] arg(_714536, v('(', ')', end_of_file), c)
^  Fail: (232) [user] is_delimiter(c)
   Call: (232) [system] ')'==c
   Fail: (232) [system] ')'==c
   Call: (232) [system] get_char((0x563acd73bee0), c)
   Exit: (232) [system] get_char((0x563acd73bee0), c)
   Call: (232) [system] c=(\)
   Fail: (232) [system] c=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _721886)
   Call: (233) [system] peek_char((0x563acd73bee0), _722820)
   Exit: (233) [system] peek_char((0x563acd73bee0), t)
^  Call: (233) [user] is_delimiter(t)
   Call: (234) [system] char_type(t, space)
   Fail: (234) [system] char_type(t, space)
   Call: (234) [system] arg(_727540, v('(', ')', end_of_file), t)
   Fail: (234) [system] arg(_728472, v('(', ')', end_of_file), t)
^  Fail: (233) [user] is_delimiter(t)
   Call: (233) [system] ')'==t
   Fail: (233) [system] ')'==t
   Call: (233) [system] get_char((0x563acd73bee0), t)
   Exit: (233) [system] get_char((0x563acd73bee0), t)
   Call: (233) [system] t=(\)
   Fail: (233) [system] t=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), _735822)
   Call: (234) [system] peek_char((0x563acd73bee0), _736756)
   Exit: (234) [system] peek_char((0x563acd73bee0), i)
^  Call: (234) [user] is_delimiter(i)
   Call: (235) [system] char_type(i, space)
   Fail: (235) [system] char_type(i, space)
   Call: (235) [system] arg(_741476, v('(', ')', end_of_file), i)
   Fail: (235) [system] arg(_742408, v('(', ')', end_of_file), i)
^  Fail: (234) [user] is_delimiter(i)
   Call: (234) [system] ')'==i
   Fail: (234) [system] ')'==i
   Call: (234) [system] get_char((0x563acd73bee0), i)
   Exit: (234) [system] get_char((0x563acd73bee0), i)
   Call: (234) [system] i=(\)
   Fail: (234) [system] i=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), _749758)
   Call: (235) [system] peek_char((0x563acd73bee0), _750692)
   Exit: (235) [system] peek_char((0x563acd73bee0), o)
^  Call: (235) [user] is_delimiter(o)
   Call: (236) [system] char_type(o, space)
   Fail: (236) [system] char_type(o, space)
   Call: (236) [system] arg(_755412, v('(', ')', end_of_file), o)
   Fail: (236) [system] arg(_756344, v('(', ')', end_of_file), o)
^  Fail: (235) [user] is_delimiter(o)
   Call: (235) [system] ')'==o
   Fail: (235) [system] ')'==o
   Call: (235) [system] get_char((0x563acd73bee0), o)
   Exit: (235) [system] get_char((0x563acd73bee0), o)
   Call: (235) [system] o=(\)
   Fail: (235) [system] o=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), _763694)
   Call: (236) [system] peek_char((0x563acd73bee0), _764628)
   Exit: (236) [system] peek_char((0x563acd73bee0), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Fail: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_769348, v('(', ')', end_of_file), n)
   Fail: (237) [system] arg(_770280, v('(', ')', end_of_file), n)
^  Fail: (236) [user] is_delimiter(n)
   Call: (236) [system] ')'==n
   Fail: (236) [system] ')'==n
   Call: (236) [system] get_char((0x563acd73bee0), n)
   Exit: (236) [system] get_char((0x563acd73bee0), n)
   Call: (236) [system] n=(\)
   Fail: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), _777630)
   Call: (237) [system] peek_char((0x563acd73bee0), _778564)
   Exit: (237) [system] peek_char((0x563acd73bee0), 'I')
^  Call: (237) [user] is_delimiter('I')
   Call: (238) [system] char_type('I', space)
   Fail: (238) [system] char_type('I', space)
   Call: (238) [system] arg(_783284, v('(', ')', end_of_file), 'I')
   Fail: (238) [system] arg(_784216, v('(', ')', end_of_file), 'I')
^  Fail: (237) [user] is_delimiter('I')
   Call: (237) [system] ')'=='I'
   Fail: (237) [system] ')'=='I'
   Call: (237) [system] get_char((0x563acd73bee0), 'I')
   Exit: (237) [system] get_char((0x563acd73bee0), 'I')
   Call: (237) [system] 'I'=(\)
   Fail: (237) [system] 'I'=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), _791566)
   Call: (238) [system] peek_char((0x563acd73bee0), _792500)
   Exit: (238) [system] peek_char((0x563acd73bee0), n)
^  Call: (238) [user] is_delimiter(n)
   Call: (239) [system] char_type(n, space)
   Fail: (239) [system] char_type(n, space)
   Call: (239) [system] arg(_797220, v('(', ')', end_of_file), n)
   Fail: (239) [system] arg(_798152, v('(', ')', end_of_file), n)
^  Fail: (238) [user] is_delimiter(n)
   Call: (238) [system] ')'==n
   Fail: (238) [system] ')'==n
   Call: (238) [system] get_char((0x563acd73bee0), n)
   Exit: (238) [system] get_char((0x563acd73bee0), n)
   Call: (238) [system] n=(\)
   Fail: (238) [system] n=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x563acd73bee0), _805502)
   Call: (239) [system] peek_char((0x563acd73bee0), _806436)
   Exit: (239) [system] peek_char((0x563acd73bee0), t)
^  Call: (239) [user] is_delimiter(t)
   Call: (240) [system] char_type(t, space)
   Fail: (240) [system] char_type(t, space)
   Call: (240) [system] arg(_811156, v('(', ')', end_of_file), t)
   Fail: (240) [system] arg(_812088, v('(', ')', end_of_file), t)
^  Fail: (239) [user] is_delimiter(t)
   Call: (239) [system] ')'==t
   Fail: (239) [system] ')'==t
   Call: (239) [system] get_char((0x563acd73bee0), t)
   Exit: (239) [system] get_char((0x563acd73bee0), t)
   Call: (239) [system] t=(\)
   Fail: (239) [system] t=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x563acd73bee0), _819438)
   Call: (240) [system] peek_char((0x563acd73bee0), _820372)
   Exit: (240) [system] peek_char((0x563acd73bee0), r)
^  Call: (240) [user] is_delimiter(r)
   Call: (241) [system] char_type(r, space)
   Fail: (241) [system] char_type(r, space)
   Call: (241) [system] arg(_825092, v('(', ')', end_of_file), r)
   Fail: (241) [system] arg(_826024, v('(', ')', end_of_file), r)
^  Fail: (240) [user] is_delimiter(r)
   Call: (240) [system] ')'==r
   Fail: (240) [system] ')'==r
   Call: (240) [system] get_char((0x563acd73bee0), r)
   Exit: (240) [system] get_char((0x563acd73bee0), r)
   Call: (240) [system] r=(\)
   Fail: (240) [system] r=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x563acd73bee0), _833374)
   Call: (241) [system] peek_char((0x563acd73bee0), _834308)
   Exit: (241) [system] peek_char((0x563acd73bee0), o)
^  Call: (241) [user] is_delimiter(o)
   Call: (242) [system] char_type(o, space)
   Fail: (242) [system] char_type(o, space)
   Call: (242) [system] arg(_839028, v('(', ')', end_of_file), o)
   Fail: (242) [system] arg(_839960, v('(', ')', end_of_file), o)
^  Fail: (241) [user] is_delimiter(o)
   Call: (241) [system] ')'==o
   Fail: (241) [system] ')'==o
   Call: (241) [system] get_char((0x563acd73bee0), o)
   Exit: (241) [system] get_char((0x563acd73bee0), o)
   Call: (241) [system] o=(\)
   Fail: (241) [system] o=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x563acd73bee0), _847310)
   Call: (242) [system] peek_char((0x563acd73bee0), _848244)
   Exit: (242) [system] peek_char((0x563acd73bee0), d)
^  Call: (242) [user] is_delimiter(d)
   Call: (243) [system] char_type(d, space)
   Fail: (243) [system] char_type(d, space)
   Call: (243) [system] arg(_852964, v('(', ')', end_of_file), d)
   Fail: (243) [system] arg(_853896, v('(', ')', end_of_file), d)
^  Fail: (242) [user] is_delimiter(d)
   Call: (242) [system] ')'==d
   Fail: (242) [system] ')'==d
   Call: (242) [system] get_char((0x563acd73bee0), d)
   Exit: (242) [system] get_char((0x563acd73bee0), d)
   Call: (242) [system] d=(\)
   Fail: (242) [system] d=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x563acd73bee0), _861246)
   Call: (243) [system] peek_char((0x563acd73bee0), _862180)
   Exit: (243) [system] peek_char((0x563acd73bee0), u)
^  Call: (243) [user] is_delimiter(u)
   Call: (244) [system] char_type(u, space)
   Fail: (244) [system] char_type(u, space)
   Call: (244) [system] arg(_866900, v('(', ')', end_of_file), u)
   Fail: (244) [system] arg(_867832, v('(', ')', end_of_file), u)
^  Fail: (243) [user] is_delimiter(u)
   Call: (243) [system] ')'==u
   Fail: (243) [system] ')'==u
   Call: (243) [system] get_char((0x563acd73bee0), u)
   Exit: (243) [system] get_char((0x563acd73bee0), u)
   Call: (243) [system] u=(\)
   Fail: (243) [system] u=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x563acd73bee0), _875182)
   Call: (244) [system] peek_char((0x563acd73bee0), _876116)
   Exit: (244) [system] peek_char((0x563acd73bee0), c)
^  Call: (244) [user] is_delimiter(c)
   Call: (245) [system] char_type(c, space)
   Fail: (245) [system] char_type(c, space)
   Call: (245) [system] arg(_880836, v('(', ')', end_of_file), c)
   Fail: (245) [system] arg(_881768, v('(', ')', end_of_file), c)
^  Fail: (244) [user] is_delimiter(c)
   Call: (244) [system] ')'==c
   Fail: (244) [system] ')'==c
   Call: (244) [system] get_char((0x563acd73bee0), c)
   Exit: (244) [system] get_char((0x563acd73bee0), c)
   Call: (244) [system] c=(\)
   Fail: (244) [system] c=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x563acd73bee0), _889118)
   Call: (245) [system] peek_char((0x563acd73bee0), _890052)
   Exit: (245) [system] peek_char((0x563acd73bee0), t)
^  Call: (245) [user] is_delimiter(t)
   Call: (246) [system] char_type(t, space)
   Fail: (246) [system] char_type(t, space)
   Call: (246) [system] arg(_894772, v('(', ')', end_of_file), t)
   Fail: (246) [system] arg(_895704, v('(', ')', end_of_file), t)
^  Fail: (245) [user] is_delimiter(t)
   Call: (245) [system] ')'==t
   Fail: (245) [system] ')'==t
   Call: (245) [system] get_char((0x563acd73bee0), t)
   Exit: (245) [system] get_char((0x563acd73bee0), t)
   Call: (245) [system] t=(\)
   Fail: (245) [system] t=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x563acd73bee0), _903054)
   Call: (246) [system] peek_char((0x563acd73bee0), _903988)
   Exit: (246) [system] peek_char((0x563acd73bee0), i)
^  Call: (246) [user] is_delimiter(i)
   Call: (247) [system] char_type(i, space)
   Fail: (247) [system] char_type(i, space)
   Call: (247) [system] arg(_908708, v('(', ')', end_of_file), i)
   Fail: (247) [system] arg(_909640, v('(', ')', end_of_file), i)
^  Fail: (246) [user] is_delimiter(i)
   Call: (246) [system] ')'==i
   Fail: (246) [system] ')'==i
   Call: (246) [system] get_char((0x563acd73bee0), i)
   Exit: (246) [system] get_char((0x563acd73bee0), i)
   Call: (246) [system] i=(\)
   Fail: (246) [system] i=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x563acd73bee0), _916990)
   Call: (247) [system] peek_char((0x563acd73bee0), _917924)
   Exit: (247) [system] peek_char((0x563acd73bee0), o)
^  Call: (247) [user] is_delimiter(o)
   Call: (248) [system] char_type(o, space)
   Fail: (248) [system] char_type(o, space)
   Call: (248) [system] arg(_922644, v('(', ')', end_of_file), o)
   Fail: (248) [system] arg(_923576, v('(', ')', end_of_file), o)
^  Fail: (247) [user] is_delimiter(o)
   Call: (247) [system] ')'==o
   Fail: (247) [system] ')'==o
   Call: (247) [system] get_char((0x563acd73bee0), o)
   Exit: (247) [system] get_char((0x563acd73bee0), o)
   Call: (247) [system] o=(\)
   Fail: (247) [system] o=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x563acd73bee0), _930926)
   Call: (248) [system] peek_char((0x563acd73bee0), _931860)
   Exit: (248) [system] peek_char((0x563acd73bee0), n)
^  Call: (248) [user] is_delimiter(n)
   Call: (249) [system] char_type(n, space)
   Fail: (249) [system] char_type(n, space)
   Call: (249) [system] arg(_936580, v('(', ')', end_of_file), n)
   Fail: (249) [system] arg(_937512, v('(', ')', end_of_file), n)
^  Fail: (248) [user] is_delimiter(n)
   Call: (248) [system] ')'==n
   Fail: (248) [system] ')'==n
   Call: (248) [system] get_char((0x563acd73bee0), n)
   Exit: (248) [system] get_char((0x563acd73bee0), n)
   Call: (248) [system] n=(\)
   Fail: (248) [system] n=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x563acd73bee0), _944862)
   Call: (249) [system] peek_char((0x563acd73bee0), _945796)
   Exit: (249) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (249) [user] is_delimiter(' ')
   Call: (250) [system] char_type(' ', space)
   Exit: (250) [system] char_type(' ', space)
^  Exit: (249) [user] is_delimiter(' ')
   Call: (249) [system] _944862=[]
   Exit: (249) [system] []=[]
^  Exit: (248) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (248) [system] _930926=[n]
   Exit: (248) [system] [n]=[n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (247) [system] _916990=[o, n]
   Exit: (247) [system] [o, n]=[o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (246) [system] _903054=[i, o, n]
   Exit: (246) [system] [i, o, n]=[i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (245) [system] _889118=[t, i, o, n]
   Exit: (245) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (244) [system] _875182=[c, t, i, o, n]
   Exit: (244) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n])
   Call: (243) [system] _861246=[u, c, t, i, o, n]
   Exit: (243) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, i, o, n])
   Call: (242) [system] _847310=[d, u, c, t, i, o, n]
   Exit: (242) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, u, c, t, i, o, n])
   Call: (241) [system] _833374=[o, d, u, c, t, i, o, n]
   Exit: (241) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, d, u, c, t, i, o, n])
   Call: (240) [system] _819438=[r, o, d, u, c, t, i, o, n]
   Exit: (240) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, d, u, c, t, i, o, n])
   Call: (239) [system] _805502=[t, r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, r, o, d, u, c, t, i, o, n])
   Call: (238) [system] _791566=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _777630=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _763694=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _749758=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _735822=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _721886=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _707950=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _694014=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _680078=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _666142=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _652206=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _638270=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (226) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _602760)
^  Call: (227) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1016548)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1017500, _1017502), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1016548), _1017482, fail)), '$restore_trace'(_1017500, _1017502))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1017500, _1017502))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1016548), _1017482, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_1016548)
   Fail: (228) [system] atomic(_1016548)
   Call: (228) [system] atom_chars(_1016548, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (228) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (227) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (227) [system] integer('DisjunctionIntroduction')
   Fail: (227) [system] integer('DisjunctionIntroduction')
   Call: (227) [system] _602760='DisjunctionIntroduction'
   Exit: (227) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (226) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (225) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'DisjunctionIntroduction')
^  Exit: (224) [user] cont_sexpr(')', (0x563acd73bee0), 'DisjunctionIntroduction')
^  Call: (224) [user] read_list(')', (0x563acd73bee0), _1031498)
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _1033356)
   Exit: (226) [system] peek_char((0x563acd73bee0), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x563acd73bee0), _1042950)
   Exit: (226) [system] get_char((0x563acd73bee0), ' ')
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _1045654)
   Exit: (227) [system] peek_char((0x563acd73bee0), a)
   Call: (227) [system] a=(;)
   Fail: (227) [system] a=(;)
   Call: (227) [system] a=(/)
   Fail: (227) [system] a=(/)
^  Call: (227) [user] is_like_space(a)
   Call: (228) [system] char_type(a, 'white')
   Fail: (228) [system] char_type(a, 'white')
   Call: (228) [system] char_type(a, end_of_line)
   Fail: (228) [system] char_type(a, end_of_line)
   Call: (228) [system] char_type(a, space)
   Fail: (228) [system] char_type(a, space)
   Call: (228) [system] char_type(a, cntrl)
   Fail: (228) [system] char_type(a, cntrl)
^  Fail: (227) [user] is_like_space(a)
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _1062588)
   Exit: (225) [system] peek_char((0x563acd73bee0), a)
   Call: (225) [system] a=')'
   Fail: (225) [system] a=')'
   Call: (225) [system] a=end_of_file
   Fail: (225) [system] a=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x563acd73bee0), _1068158)
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _1070016)
   Exit: (227) [system] peek_char((0x563acd73bee0), a)
   Call: (227) [system] a=(;)
   Fail: (227) [system] a=(;)
   Call: (227) [system] a=(/)
   Fail: (227) [system] a=(/)
^  Call: (227) [user] is_like_space(a)
   Call: (228) [system] char_type(a, 'white')
   Fail: (228) [system] char_type(a, 'white')
   Call: (228) [system] char_type(a, end_of_line)
   Fail: (228) [system] char_type(a, end_of_line)
   Call: (228) [system] char_type(a, space)
   Fail: (228) [system] char_type(a, space)
   Call: (228) [system] char_type(a, cntrl)
   Fail: (228) [system] char_type(a, cntrl)
^  Fail: (227) [user] is_like_space(a)
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] get_char((0x563acd73bee0), _1086026)
   Exit: (226) [system] get_char((0x563acd73bee0), a)
   Call: (226) [system] a='('
   Fail: (226) [system] a='('
   Call: (226) [system] a='['
   Fail: (226) [system] a='['
   Call: (226) [system] a='{'
   Fail: (226) [system] a='{'
   Call: (226) [system] a='"'
   Fail: (226) [system] a='"'
   Call: (226) [system] a=!
   Fail: (226) [system] a=!
   Call: (226) [system] a='\''
   Fail: (226) [system] a='\''
   Call: (226) [system] a='`'
   Fail: (226) [system] a='`'
   Call: (226) [system] a=end_of_file
   Fail: (226) [system] a=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x563acd73bee0), a, _1068158)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _1103668)
   Call: (228) [system] peek_char((0x563acd73bee0), _1104602)
   Exit: (228) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _1103668=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (227) [user] classify_and_convert_charseq([a], _1068158)
^  Call: (228) [user] classify_and_convert_charseq_([a], _1113886)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_1114838, _1114840), once(user:catch(read_from_chars([a], _1113886), _1114820, fail)), '$restore_trace'(_1114838, _1114840))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_1114838, _1114840))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1114820, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(a)
   Exit: (229) [system] atomic(a)
^  Exit: (228) [user] classify_and_convert_charseq_([a], a)
   Call: (228) [system] integer(a)
   Fail: (228) [system] integer(a)
   Call: (228) [system] _1068158=a
   Exit: (228) [system] a=a
^  Exit: (227) [user] classify_and_convert_charseq([a], a)
^  Exit: (226) [user] read_symbolic(')', (0x563acd73bee0), a, a)
^  Exit: (225) [user] cont_sexpr(')', (0x563acd73bee0), a)
^  Call: (225) [user] read_list(')', (0x563acd73bee0), _1126966)
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _1128824)
   Exit: (227) [system] peek_char((0x563acd73bee0), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
   Call: (227) [system] ' '=(/)
   Fail: (227) [system] ' '=(/)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x563acd73bee0), _1138418)
   Exit: (227) [system] get_char((0x563acd73bee0), ' ')
^  Call: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _1141122)
   Exit: (228) [system] peek_char((0x563acd73bee0), a)
   Call: (228) [system] a=(;)
   Fail: (228) [system] a=(;)
   Call: (228) [system] a=(/)
   Fail: (228) [system] a=(/)
^  Call: (228) [user] is_like_space(a)
   Call: (229) [system] char_type(a, 'white')
   Fail: (229) [system] char_type(a, 'white')
   Call: (229) [system] char_type(a, end_of_line)
   Fail: (229) [system] char_type(a, end_of_line)
   Call: (229) [system] char_type(a, space)
   Fail: (229) [system] char_type(a, space)
   Call: (229) [system] char_type(a, cntrl)
   Fail: (229) [system] char_type(a, cntrl)
^  Fail: (228) [user] is_like_space(a)
^  Exit: (227) [user] skip_spaces((0x563acd73bee0))
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _1158056)
   Exit: (226) [system] peek_char((0x563acd73bee0), a)
   Call: (226) [system] a=')'
   Fail: (226) [system] a=')'
   Call: (226) [system] a=end_of_file
   Fail: (226) [system] a=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x563acd73bee0), _1163626)
^  Call: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _1165484)
   Exit: (228) [system] peek_char((0x563acd73bee0), a)
   Call: (228) [system] a=(;)
   Fail: (228) [system] a=(;)
   Call: (228) [system] a=(/)
   Fail: (228) [system] a=(/)
^  Call: (228) [user] is_like_space(a)
   Call: (229) [system] char_type(a, 'white')
   Fail: (229) [system] char_type(a, 'white')
   Call: (229) [system] char_type(a, end_of_line)
   Fail: (229) [system] char_type(a, end_of_line)
   Call: (229) [system] char_type(a, space)
   Fail: (229) [system] char_type(a, space)
   Call: (229) [system] char_type(a, cntrl)
   Fail: (229) [system] char_type(a, cntrl)
^  Fail: (228) [user] is_like_space(a)
^  Exit: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] get_char((0x563acd73bee0), _1181494)
   Exit: (227) [system] get_char((0x563acd73bee0), a)
   Call: (227) [system] a='('
   Fail: (227) [system] a='('
   Call: (227) [system] a='['
   Fail: (227) [system] a='['
   Call: (227) [system] a='{'
   Fail: (227) [system] a='{'
   Call: (227) [system] a='"'
   Fail: (227) [system] a='"'
   Call: (227) [system] a=!
   Fail: (227) [system] a=!
   Call: (227) [system] a='\''
   Fail: (227) [system] a='\''
   Call: (227) [system] a='`'
   Fail: (227) [system] a='`'
   Call: (227) [system] a=end_of_file
   Fail: (227) [system] a=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x563acd73bee0), a, _1163626)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _1199136)
   Call: (229) [system] peek_char((0x563acd73bee0), _1200070)
   Exit: (229) [system] peek_char((0x563acd73bee0), ')')
^  Call: (229) [user] is_delimiter(')')
   Call: (230) [system] char_type(')', space)
   Fail: (230) [system] char_type(')', space)
   Call: (230) [system] arg(_1204790, v('(', ')', end_of_file), ')')
   Exit: (230) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (229) [user] is_delimiter(')')
   Call: (229) [system] _1199136=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (228) [user] classify_and_convert_charseq([a], _1163626)
^  Call: (229) [user] classify_and_convert_charseq_([a], _1211226)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_1212178, _1212180), once(user:catch(read_from_chars([a], _1211226), _1212160, fail)), '$restore_trace'(_1212178, _1212180))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_1212178, _1212180))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1212160, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(a)
   Exit: (230) [system] atomic(a)
^  Exit: (229) [user] classify_and_convert_charseq_([a], a)
   Call: (229) [system] integer(a)
   Fail: (229) [system] integer(a)
   Call: (229) [system] _1163626=a
   Exit: (229) [system] a=a
^  Exit: (228) [user] classify_and_convert_charseq([a], a)
^  Exit: (227) [user] read_symbolic(')', (0x563acd73bee0), a, a)
^  Exit: (226) [user] cont_sexpr(')', (0x563acd73bee0), a)
^  Call: (226) [user] read_list(')', (0x563acd73bee0), _1224306)
^  Call: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _1226164)
   Exit: (228) [system] peek_char((0x563acd73bee0), ')')
   Call: (228) [system] ')'=(;)
   Fail: (228) [system] ')'=(;)
   Call: (228) [system] ')'=(/)
   Fail: (228) [system] ')'=(/)
^  Call: (228) [user] is_like_space(')')
   Call: (229) [system] char_type(')', 'white')
   Fail: (229) [system] char_type(')', 'white')
   Call: (229) [system] char_type(')', end_of_line)
   Fail: (229) [system] char_type(')', end_of_line)
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] char_type(')', cntrl)
   Fail: (229) [system] char_type(')', cntrl)
^  Fail: (228) [user] is_like_space(')')
^  Exit: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _1242174)
   Exit: (227) [system] peek_char((0x563acd73bee0), ')')
   Call: (227) [system] ')'=')'
   Exit: (227) [system] ')'=')'
   Call: (227) [system] get_char((0x563acd73bee0), _1245964)
   Exit: (227) [system] get_char((0x563acd73bee0), ')')
   Call: (227) [system] _1224306=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_list(')', (0x563acd73bee0), [])
   Call: (226) [system] _1126966=[a]
   Exit: (226) [system] [a]=[a]
^  Exit: (225) [user] read_list(')', (0x563acd73bee0), [a])
   Call: (225) [system] _1031498=[a, a]
   Exit: (225) [system] [a, a]=[a, a]
^  Exit: (224) [user] read_list(')', (0x563acd73bee0), [a, a])
   Call: (224) [system] _557742=['DisjunctionIntroduction', a, a]
   Exit: (224) [system] ['DisjunctionIntroduction', a, a]=['DisjunctionIntroduction', a, a]
^  Exit: (223) [user] read_list(')', (0x563acd73bee0), ['DisjunctionIntroduction', a, a])
^  Exit: (222) [user] cont_sexpr(')', (0x563acd73bee0), ['DisjunctionIntroduction', a, a])
^  Call: (222) [user] read_list(')', (0x563acd73bee0), _1259846)
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _1261704)
   Exit: (224) [system] peek_char((0x563acd73bee0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x563acd73bee0), _1271298)
   Exit: (224) [system] get_char((0x563acd73bee0), ' ')
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _1274002)
   Exit: (225) [system] peek_char((0x563acd73bee0), '(')
   Call: (225) [system] '('=(;)
   Fail: (225) [system] '('=(;)
   Call: (225) [system] '('=(/)
   Fail: (225) [system] '('=(/)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Fail: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Fail: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Fail: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
   Fail: (226) [system] char_type('(', cntrl)
^  Fail: (225) [user] is_like_space('(')
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _1290936)
   Exit: (223) [system] peek_char((0x563acd73bee0), '(')
   Call: (223) [system] '('=')'
   Fail: (223) [system] '('=')'
   Call: (223) [system] '('=end_of_file
   Fail: (223) [system] '('=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x563acd73bee0), _1296506)
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _1298364)
   Exit: (225) [system] peek_char((0x563acd73bee0), '(')
   Call: (225) [system] '('=(;)
   Fail: (225) [system] '('=(;)
   Call: (225) [system] '('=(/)
   Fail: (225) [system] '('=(/)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Fail: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Fail: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Fail: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
   Fail: (226) [system] char_type('(', cntrl)
^  Fail: (225) [user] is_like_space('(')
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] get_char((0x563acd73bee0), _1314374)
   Exit: (224) [system] get_char((0x563acd73bee0), '(')
   Call: (224) [system] '('='('
   Exit: (224) [system] '('='('
^  Call: (224) [user] read_list(')', (0x563acd73bee0), _1296506)
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _1319944)
   Exit: (226) [system] peek_char((0x563acd73bee0), 'O')
   Call: (226) [system] 'O'=(;)
   Fail: (226) [system] 'O'=(;)
   Call: (226) [system] 'O'=(/)
   Fail: (226) [system] 'O'=(/)
^  Call: (226) [user] is_like_space('O')
   Call: (227) [system] char_type('O', 'white')
   Fail: (227) [system] char_type('O', 'white')
   Call: (227) [system] char_type('O', end_of_line)
   Fail: (227) [system] char_type('O', end_of_line)
   Call: (227) [system] char_type('O', space)
   Fail: (227) [system] char_type('O', space)
   Call: (227) [system] char_type('O', cntrl)
   Fail: (227) [system] char_type('O', cntrl)
^  Fail: (226) [user] is_like_space('O')
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _1335954)
   Exit: (225) [system] peek_char((0x563acd73bee0), 'O')
   Call: (225) [system] 'O'=')'
   Fail: (225) [system] 'O'=')'
   Call: (225) [system] 'O'=end_of_file
   Fail: (225) [system] 'O'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x563acd73bee0), _1341524)
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _1343382)
   Exit: (227) [system] peek_char((0x563acd73bee0), 'O')
   Call: (227) [system] 'O'=(;)
   Fail: (227) [system] 'O'=(;)
   Call: (227) [system] 'O'=(/)
   Fail: (227) [system] 'O'=(/)
^  Call: (227) [user] is_like_space('O')
   Call: (228) [system] char_type('O', 'white')
   Fail: (228) [system] char_type('O', 'white')
   Call: (228) [system] char_type('O', end_of_line)
   Fail: (228) [system] char_type('O', end_of_line)
   Call: (228) [system] char_type('O', space)
   Fail: (228) [system] char_type('O', space)
   Call: (228) [system] char_type('O', cntrl)
   Fail: (228) [system] char_type('O', cntrl)
^  Fail: (227) [user] is_like_space('O')
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] get_char((0x563acd73bee0), _1359392)
   Exit: (226) [system] get_char((0x563acd73bee0), 'O')
   Call: (226) [system] 'O'='('
   Fail: (226) [system] 'O'='('
   Call: (226) [system] 'O'='['
   Fail: (226) [system] 'O'='['
   Call: (226) [system] 'O'='{'
   Fail: (226) [system] 'O'='{'
   Call: (226) [system] 'O'='"'
   Fail: (226) [system] 'O'='"'
   Call: (226) [system] 'O'=!
   Fail: (226) [system] 'O'=!
   Call: (226) [system] 'O'='\''
   Fail: (226) [system] 'O'='\''
   Call: (226) [system] 'O'='`'
   Fail: (226) [system] 'O'='`'
   Call: (226) [system] 'O'=end_of_file
   Fail: (226) [system] 'O'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x563acd73bee0), 'O', _1341524)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _1377034)
   Call: (228) [system] peek_char((0x563acd73bee0), _1377968)
   Exit: (228) [system] peek_char((0x563acd73bee0), r)
^  Call: (228) [user] is_delimiter(r)
   Call: (229) [system] char_type(r, space)
   Fail: (229) [system] char_type(r, space)
   Call: (229) [system] arg(_1382688, v('(', ')', end_of_file), r)
   Fail: (229) [system] arg(_1383620, v('(', ')', end_of_file), r)
^  Fail: (228) [user] is_delimiter(r)
   Call: (228) [system] ')'==r
   Fail: (228) [system] ')'==r
   Call: (228) [system] get_char((0x563acd73bee0), r)
   Exit: (228) [system] get_char((0x563acd73bee0), r)
   Call: (228) [system] r=(\)
   Fail: (228) [system] r=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _1390970)
   Call: (229) [system] peek_char((0x563acd73bee0), _1391904)
   Exit: (229) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (229) [user] is_delimiter('L')
   Call: (230) [system] char_type('L', space)
   Fail: (230) [system] char_type('L', space)
   Call: (230) [system] arg(_1396624, v('(', ')', end_of_file), 'L')
   Fail: (230) [system] arg(_1397556, v('(', ')', end_of_file), 'L')
^  Fail: (229) [user] is_delimiter('L')
   Call: (229) [system] ')'=='L'
   Fail: (229) [system] ')'=='L'
   Call: (229) [system] get_char((0x563acd73bee0), 'L')
   Exit: (229) [system] get_char((0x563acd73bee0), 'L')
   Call: (229) [system] 'L'=(\)
   Fail: (229) [system] 'L'=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _1404906)
   Call: (230) [system] peek_char((0x563acd73bee0), _1405840)
   Exit: (230) [system] peek_char((0x563acd73bee0), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Fail: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_1410560, v('(', ')', end_of_file), i)
   Fail: (231) [system] arg(_1411492, v('(', ')', end_of_file), i)
^  Fail: (230) [user] is_delimiter(i)
   Call: (230) [system] ')'==i
   Fail: (230) [system] ')'==i
   Call: (230) [system] get_char((0x563acd73bee0), i)
   Exit: (230) [system] get_char((0x563acd73bee0), i)
   Call: (230) [system] i=(\)
   Fail: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _1418842)
   Call: (231) [system] peek_char((0x563acd73bee0), _1419776)
   Exit: (231) [system] peek_char((0x563acd73bee0), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_1424496, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_1425428, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x563acd73bee0), n)
   Exit: (231) [system] get_char((0x563acd73bee0), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _1432778)
   Call: (232) [system] peek_char((0x563acd73bee0), _1433712)
   Exit: (232) [system] peek_char((0x563acd73bee0), k)
^  Call: (232) [user] is_delimiter(k)
   Call: (233) [system] char_type(k, space)
   Fail: (233) [system] char_type(k, space)
   Call: (233) [system] arg(_1438432, v('(', ')', end_of_file), k)
   Fail: (233) [system] arg(_1439364, v('(', ')', end_of_file), k)
^  Fail: (232) [user] is_delimiter(k)
   Call: (232) [system] ')'==k
   Fail: (232) [system] ')'==k
   Call: (232) [system] get_char((0x563acd73bee0), k)
   Exit: (232) [system] get_char((0x563acd73bee0), k)
   Call: (232) [system] k=(\)
   Fail: (232) [system] k=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _1446714)
   Call: (233) [system] peek_char((0x563acd73bee0), _1447648)
   Exit: (233) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _1446714=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (232) [system] _1432778=[k]
   Exit: (232) [system] [k]=[k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (231) [system] _1418842=[n, k]
   Exit: (231) [system] [n, k]=[n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (230) [system] _1404906=[i, n, k]
   Exit: (230) [system] [i, n, k]=[i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (229) [system] _1390970=['L', i, n, k]
   Exit: (229) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (228) [system] _1377034=[r, 'L', i, n, k]
   Exit: (228) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (227) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1341524)
^  Call: (228) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1470902)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_1471854, _1471856), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1470902), _1471836, fail)), '$restore_trace'(_1471854, _1471856))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_1471854, _1471856))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1470902), _1471836, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_1470902)
   Fail: (229) [system] atomic(_1470902)
   Call: (229) [system] atom_chars(_1470902, ['O', r, 'L', i, n, k])
   Exit: (229) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (228) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (228) [system] integer('OrLink')
   Fail: (228) [system] integer('OrLink')
   Call: (228) [system] _1341524='OrLink'
   Exit: (228) [system] 'OrLink'='OrLink'
^  Exit: (227) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (226) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (225) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (225) [user] read_list(')', (0x563acd73bee0), _1485852)
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _1487710)
   Exit: (227) [system] peek_char((0x563acd73bee0), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
   Call: (227) [system] ' '=(/)
   Fail: (227) [system] ' '=(/)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x563acd73bee0), _1497304)
   Exit: (227) [system] get_char((0x563acd73bee0), ' ')
^  Call: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _1500008)
   Exit: (228) [system] peek_char((0x563acd73bee0), 'A')
   Call: (228) [system] 'A'=(;)
   Fail: (228) [system] 'A'=(;)
   Call: (228) [system] 'A'=(/)
   Fail: (228) [system] 'A'=(/)
^  Call: (228) [user] is_like_space('A')
   Call: (229) [system] char_type('A', 'white')
   Fail: (229) [system] char_type('A', 'white')
   Call: (229) [system] char_type('A', end_of_line)
   Fail: (229) [system] char_type('A', end_of_line)
   Call: (229) [system] char_type('A', space)
   Fail: (229) [system] char_type('A', space)
   Call: (229) [system] char_type('A', cntrl)
   Fail: (229) [system] char_type('A', cntrl)
^  Fail: (228) [user] is_like_space('A')
^  Exit: (227) [user] skip_spaces((0x563acd73bee0))
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _1516942)
   Exit: (226) [system] peek_char((0x563acd73bee0), 'A')
   Call: (226) [system] 'A'=')'
   Fail: (226) [system] 'A'=')'
   Call: (226) [system] 'A'=end_of_file
   Fail: (226) [system] 'A'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x563acd73bee0), _1522512)
^  Call: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _1524370)
   Exit: (228) [system] peek_char((0x563acd73bee0), 'A')
   Call: (228) [system] 'A'=(;)
   Fail: (228) [system] 'A'=(;)
   Call: (228) [system] 'A'=(/)
   Fail: (228) [system] 'A'=(/)
^  Call: (228) [user] is_like_space('A')
   Call: (229) [system] char_type('A', 'white')
   Fail: (229) [system] char_type('A', 'white')
   Call: (229) [system] char_type('A', end_of_line)
   Fail: (229) [system] char_type('A', end_of_line)
   Call: (229) [system] char_type('A', space)
   Fail: (229) [system] char_type('A', space)
   Call: (229) [system] char_type('A', cntrl)
   Fail: (229) [system] char_type('A', cntrl)
^  Fail: (228) [user] is_like_space('A')
^  Exit: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] get_char((0x563acd73bee0), _1540380)
   Exit: (227) [system] get_char((0x563acd73bee0), 'A')
   Call: (227) [system] 'A'='('
   Fail: (227) [system] 'A'='('
   Call: (227) [system] 'A'='['
   Fail: (227) [system] 'A'='['
   Call: (227) [system] 'A'='{'
   Fail: (227) [system] 'A'='{'
   Call: (227) [system] 'A'='"'
   Fail: (227) [system] 'A'='"'
   Call: (227) [system] 'A'=!
   Fail: (227) [system] 'A'=!
   Call: (227) [system] 'A'='\''
   Fail: (227) [system] 'A'='\''
   Call: (227) [system] 'A'='`'
   Fail: (227) [system] 'A'='`'
   Call: (227) [system] 'A'=end_of_file
   Fail: (227) [system] 'A'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x563acd73bee0), 'A', _1522512)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _1558022)
   Call: (229) [system] peek_char((0x563acd73bee0), _1558956)
   Exit: (229) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _1558022=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (228) [user] classify_and_convert_charseq(['A'], _1522512)
^  Call: (229) [user] classify_and_convert_charseq_(['A'], _1568240)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_1569192, _1569194), once(user:catch(read_from_chars(['A'], _1568240), _1569174, fail)), '$restore_trace'(_1569192, _1569194))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_1569192, _1569194))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1568240), _1569174, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_1568240)
   Fail: (230) [system] atomic(_1568240)
   Call: (230) [system] atom_chars(_1568240, ['A'])
   Exit: (230) [system] atom_chars('A', ['A'])
^  Exit: (229) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (229) [system] integer('A')
   Fail: (229) [system] integer('A')
   Call: (229) [system] _1522512='A'
   Exit: (229) [system] 'A'='A'
^  Exit: (228) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (227) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (226) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (226) [user] read_list(')', (0x563acd73bee0), _1583190)
^  Call: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _1585048)
   Exit: (228) [system] peek_char((0x563acd73bee0), ' ')
   Call: (228) [system] ' '=(;)
   Fail: (228) [system] ' '=(;)
   Call: (228) [system] ' '=(/)
   Fail: (228) [system] ' '=(/)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x563acd73bee0), _1594642)
   Exit: (228) [system] get_char((0x563acd73bee0), ' ')
^  Call: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] peek_char((0x563acd73bee0), _1597346)
   Exit: (229) [system] peek_char((0x563acd73bee0), 'A')
   Call: (229) [system] 'A'=(;)
   Fail: (229) [system] 'A'=(;)
   Call: (229) [system] 'A'=(/)
   Fail: (229) [system] 'A'=(/)
^  Call: (229) [user] is_like_space('A')
   Call: (230) [system] char_type('A', 'white')
   Fail: (230) [system] char_type('A', 'white')
   Call: (230) [system] char_type('A', end_of_line)
   Fail: (230) [system] char_type('A', end_of_line)
   Call: (230) [system] char_type('A', space)
   Fail: (230) [system] char_type('A', space)
   Call: (230) [system] char_type('A', cntrl)
   Fail: (230) [system] char_type('A', cntrl)
^  Fail: (229) [user] is_like_space('A')
^  Exit: (228) [user] skip_spaces((0x563acd73bee0))
^  Exit: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _1614280)
   Exit: (227) [system] peek_char((0x563acd73bee0), 'A')
   Call: (227) [system] 'A'=')'
   Fail: (227) [system] 'A'=')'
   Call: (227) [system] 'A'=end_of_file
   Fail: (227) [system] 'A'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x563acd73bee0), _1619850)
^  Call: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] peek_char((0x563acd73bee0), _1621708)
   Exit: (229) [system] peek_char((0x563acd73bee0), 'A')
   Call: (229) [system] 'A'=(;)
   Fail: (229) [system] 'A'=(;)
   Call: (229) [system] 'A'=(/)
   Fail: (229) [system] 'A'=(/)
^  Call: (229) [user] is_like_space('A')
   Call: (230) [system] char_type('A', 'white')
   Fail: (230) [system] char_type('A', 'white')
   Call: (230) [system] char_type('A', end_of_line)
   Fail: (230) [system] char_type('A', end_of_line)
   Call: (230) [system] char_type('A', space)
   Fail: (230) [system] char_type('A', space)
   Call: (230) [system] char_type('A', cntrl)
   Fail: (230) [system] char_type('A', cntrl)
^  Fail: (229) [user] is_like_space('A')
^  Exit: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] get_char((0x563acd73bee0), _1637718)
   Exit: (228) [system] get_char((0x563acd73bee0), 'A')
   Call: (228) [system] 'A'='('
   Fail: (228) [system] 'A'='('
   Call: (228) [system] 'A'='['
   Fail: (228) [system] 'A'='['
   Call: (228) [system] 'A'='{'
   Fail: (228) [system] 'A'='{'
   Call: (228) [system] 'A'='"'
   Fail: (228) [system] 'A'='"'
   Call: (228) [system] 'A'=!
   Fail: (228) [system] 'A'=!
   Call: (228) [system] 'A'='\''
   Fail: (228) [system] 'A'='\''
   Call: (228) [system] 'A'='`'
   Fail: (228) [system] 'A'='`'
   Call: (228) [system] 'A'=end_of_file
   Fail: (228) [system] 'A'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x563acd73bee0), 'A', _1619850)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _1655360)
   Call: (230) [system] peek_char((0x563acd73bee0), _1656294)
   Exit: (230) [system] peek_char((0x563acd73bee0), ')')
^  Call: (230) [user] is_delimiter(')')
   Call: (231) [system] char_type(')', space)
   Fail: (231) [system] char_type(')', space)
   Call: (231) [system] arg(_1661014, v('(', ')', end_of_file), ')')
   Exit: (231) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (230) [user] is_delimiter(')')
   Call: (230) [system] _1655360=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (229) [user] classify_and_convert_charseq(['A'], _1619850)
^  Call: (230) [user] classify_and_convert_charseq_(['A'], _1667450)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_1668402, _1668404), once(user:catch(read_from_chars(['A'], _1667450), _1668384, fail)), '$restore_trace'(_1668402, _1668404))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_1668402, _1668404))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1667450), _1668384, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_1667450)
   Fail: (231) [system] atomic(_1667450)
   Call: (231) [system] atom_chars(_1667450, ['A'])
   Exit: (231) [system] atom_chars('A', ['A'])
^  Exit: (230) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (230) [system] integer('A')
   Fail: (230) [system] integer('A')
   Call: (230) [system] _1619850='A'
   Exit: (230) [system] 'A'='A'
^  Exit: (229) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (228) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (227) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (227) [user] read_list(')', (0x563acd73bee0), _1682400)
^  Call: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] peek_char((0x563acd73bee0), _1684258)
   Exit: (229) [system] peek_char((0x563acd73bee0), ')')
   Call: (229) [system] ')'=(;)
   Fail: (229) [system] ')'=(;)
   Call: (229) [system] ')'=(/)
   Fail: (229) [system] ')'=(/)
^  Call: (229) [user] is_like_space(')')
   Call: (230) [system] char_type(')', 'white')
   Fail: (230) [system] char_type(')', 'white')
   Call: (230) [system] char_type(')', end_of_line)
   Fail: (230) [system] char_type(')', end_of_line)
   Call: (230) [system] char_type(')', space)
   Fail: (230) [system] char_type(')', space)
   Call: (230) [system] char_type(')', cntrl)
   Fail: (230) [system] char_type(')', cntrl)
^  Fail: (229) [user] is_like_space(')')
^  Exit: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _1700268)
   Exit: (228) [system] peek_char((0x563acd73bee0), ')')
   Call: (228) [system] ')'=')'
   Exit: (228) [system] ')'=')'
   Call: (228) [system] get_char((0x563acd73bee0), _1704058)
   Exit: (228) [system] get_char((0x563acd73bee0), ')')
   Call: (228) [system] _1682400=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_list(')', (0x563acd73bee0), [])
   Call: (227) [system] _1583190=['A']
   Exit: (227) [system] ['A']=['A']
^  Exit: (226) [user] read_list(')', (0x563acd73bee0), ['A'])
   Call: (226) [system] _1485852=['A', 'A']
   Exit: (226) [system] ['A', 'A']=['A', 'A']
^  Exit: (225) [user] read_list(')', (0x563acd73bee0), ['A', 'A'])
   Call: (225) [system] _1296506=['OrLink', 'A', 'A']
   Exit: (225) [system] ['OrLink', 'A', 'A']=['OrLink', 'A', 'A']
^  Exit: (224) [user] read_list(')', (0x563acd73bee0), ['OrLink', 'A', 'A'])
^  Exit: (223) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', 'A', 'A'])
^  Call: (223) [user] read_list(')', (0x563acd73bee0), _1717940)
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _1719798)
   Exit: (225) [system] peek_char((0x563acd73bee0), ')')
   Call: (225) [system] ')'=(;)
   Fail: (225) [system] ')'=(;)
   Call: (225) [system] ')'=(/)
   Fail: (225) [system] ')'=(/)
^  Call: (225) [user] is_like_space(')')
   Call: (226) [system] char_type(')', 'white')
   Fail: (226) [system] char_type(')', 'white')
   Call: (226) [system] char_type(')', end_of_line)
   Fail: (226) [system] char_type(')', end_of_line)
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] char_type(')', cntrl)
   Fail: (226) [system] char_type(')', cntrl)
^  Fail: (225) [user] is_like_space(')')
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _1735808)
   Exit: (224) [system] peek_char((0x563acd73bee0), ')')
   Call: (224) [system] ')'=')'
   Exit: (224) [system] ')'=')'
   Call: (224) [system] get_char((0x563acd73bee0), _1739598)
   Exit: (224) [system] get_char((0x563acd73bee0), ')')
   Call: (224) [system] _1717940=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_list(')', (0x563acd73bee0), [])
   Call: (223) [system] _1259846=[['OrLink', 'A', 'A']]
   Exit: (223) [system] [['OrLink', 'A', 'A']]=[['OrLink', 'A', 'A']]
^  Exit: (222) [user] read_list(')', (0x563acd73bee0), [['OrLink', 'A', 'A']])
   Call: (222) [system] _521082=[['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']]
   Exit: (222) [system] [['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']]=[['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']]
^  Exit: (221) [user] read_list(')', (0x563acd73bee0), [['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']])
   Call: (221) [system] _417256=[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']]
   Exit: (221) [system] [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']]=[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']]
^  Exit: (220) [user] read_list(')', (0x563acd73bee0), [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']])
^  Exit: (219) [user] cont_sexpr(')', (0x563acd73bee0), [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']])
^  Call: (219) [user] read_list(')', (0x563acd73bee0), _1753480)
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _1755338)
   Exit: (221) [system] peek_char((0x563acd73bee0), '\n')
   Call: (221) [system] '\n'=(;)
   Fail: (221) [system] '\n'=(;)
   Call: (221) [system] '\n'=(/)
   Fail: (221) [system] '\n'=(/)
^  Call: (221) [user] is_like_space('\n')
   Call: (222) [system] char_type('\n', 'white')
   Fail: (222) [system] char_type('\n', 'white')
   Call: (222) [system] char_type('\n', end_of_line)
   Exit: (222) [system] char_type('\n', end_of_line)
^  Exit: (221) [user] is_like_space('\n')
   Call: (221) [system] get_char((0x563acd73bee0), _1766788)
   Exit: (221) [system] get_char((0x563acd73bee0), '\n')
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _1769492)
   Exit: (222) [system] peek_char((0x563acd73bee0), '\t')
   Call: (222) [system] '\t'=(;)
   Fail: (222) [system] '\t'=(;)
   Call: (222) [system] '\t'=(/)
   Fail: (222) [system] '\t'=(/)
^  Call: (222) [user] is_like_space('\t')
   Call: (223) [system] char_type('\t', 'white')
   Exit: (223) [system] char_type('\t', 'white')
^  Exit: (222) [user] is_like_space('\t')
   Call: (222) [system] get_char((0x563acd73bee0), _1779086)
   Exit: (222) [system] get_char((0x563acd73bee0), '\t')
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _1781790)
   Exit: (223) [system] peek_char((0x563acd73bee0), '\t')
   Call: (223) [system] '\t'=(;)
   Fail: (223) [system] '\t'=(;)
   Call: (223) [system] '\t'=(/)
   Fail: (223) [system] '\t'=(/)
^  Call: (223) [user] is_like_space('\t')
   Call: (224) [system] char_type('\t', 'white')
   Exit: (224) [system] char_type('\t', 'white')
^  Exit: (223) [user] is_like_space('\t')
   Call: (223) [system] get_char((0x563acd73bee0), _1791384)
   Exit: (223) [system] get_char((0x563acd73bee0), '\t')
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _1794088)
   Exit: (224) [system] peek_char((0x563acd73bee0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x563acd73bee0), _1803682)
   Exit: (224) [system] get_char((0x563acd73bee0), ' ')
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _1806386)
   Exit: (225) [system] peek_char((0x563acd73bee0), '(')
   Call: (225) [system] '('=(;)
   Fail: (225) [system] '('=(;)
   Call: (225) [system] '('=(/)
   Fail: (225) [system] '('=(/)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Fail: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Fail: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Fail: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
   Fail: (226) [system] char_type('(', cntrl)
^  Fail: (225) [user] is_like_space('(')
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _1826092)
   Exit: (220) [system] peek_char((0x563acd73bee0), '(')
   Call: (220) [system] '('=')'
   Fail: (220) [system] '('=')'
   Call: (220) [system] '('=end_of_file
   Fail: (220) [system] '('=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x563acd73bee0), _1831662)
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _1833520)
   Exit: (222) [system] peek_char((0x563acd73bee0), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
   Call: (222) [system] '('=(/)
   Fail: (222) [system] '('=(/)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] get_char((0x563acd73bee0), _1849530)
   Exit: (221) [system] get_char((0x563acd73bee0), '(')
   Call: (221) [system] '('='('
   Exit: (221) [system] '('='('
^  Call: (221) [user] read_list(')', (0x563acd73bee0), _1831662)
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _1855100)
   Exit: (223) [system] peek_char((0x563acd73bee0), :)
   Call: (223) [system] (:)=(;)
   Fail: (223) [system] (:)=(;)
   Call: (223) [system] (:)=(/)
   Fail: (223) [system] (:)=(/)
^  Call: (223) [user] is_like_space(:)
   Call: (224) [system] char_type(:, 'white')
   Fail: (224) [system] char_type(:, 'white')
   Call: (224) [system] char_type(:, end_of_line)
   Fail: (224) [system] char_type(:, end_of_line)
   Call: (224) [system] char_type(:, space)
   Fail: (224) [system] char_type(:, space)
   Call: (224) [system] char_type(:, cntrl)
   Fail: (224) [system] char_type(:, cntrl)
^  Fail: (223) [user] is_like_space(:)
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _1871110)
   Exit: (222) [system] peek_char((0x563acd73bee0), :)
   Call: (222) [system] (:)=')'
   Fail: (222) [system] (:)=')'
   Call: (222) [system] (:)=end_of_file
   Fail: (222) [system] (:)=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x563acd73bee0), _1876680)
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _1878538)
   Exit: (224) [system] peek_char((0x563acd73bee0), :)
   Call: (224) [system] (:)=(;)
   Fail: (224) [system] (:)=(;)
   Call: (224) [system] (:)=(/)
   Fail: (224) [system] (:)=(/)
^  Call: (224) [user] is_like_space(:)
   Call: (225) [system] char_type(:, 'white')
   Fail: (225) [system] char_type(:, 'white')
   Call: (225) [system] char_type(:, end_of_line)
   Fail: (225) [system] char_type(:, end_of_line)
   Call: (225) [system] char_type(:, space)
   Fail: (225) [system] char_type(:, space)
   Call: (225) [system] char_type(:, cntrl)
   Fail: (225) [system] char_type(:, cntrl)
^  Fail: (224) [user] is_like_space(:)
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] get_char((0x563acd73bee0), _1894548)
   Exit: (223) [system] get_char((0x563acd73bee0), :)
   Call: (223) [system] (:)='('
   Fail: (223) [system] (:)='('
   Call: (223) [system] (:)='['
   Fail: (223) [system] (:)='['
   Call: (223) [system] (:)='{'
   Fail: (223) [system] (:)='{'
   Call: (223) [system] (:)='"'
   Fail: (223) [system] (:)='"'
   Call: (223) [system] (:)=!
   Fail: (223) [system] (:)=!
   Call: (223) [system] (:)='\''
   Fail: (223) [system] (:)='\''
   Call: (223) [system] (:)='`'
   Fail: (223) [system] (:)='`'
   Call: (223) [system] (:)=end_of_file
   Fail: (223) [system] (:)=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x563acd73bee0), :, _1876680)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _1912190)
   Call: (225) [system] peek_char((0x563acd73bee0), _1913124)
   Exit: (225) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _1912190=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (224) [user] classify_and_convert_charseq([:], _1876680)
^  Call: (225) [user] classify_and_convert_charseq_([:], _1922408)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1923360, _1923362), once(user:catch(read_from_chars([:], _1922408), _1923342, fail)), '$restore_trace'(_1923360, _1923362))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1923360, _1923362))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1923342, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(:)
   Exit: (226) [system] atomic(:)
^  Exit: (225) [user] classify_and_convert_charseq_([:], :)
   Call: (225) [system] integer(:)
   Fail: (225) [system] integer(:)
   Call: (225) [system] _1876680=(:)
   Exit: (225) [system] (:)=(:)
^  Exit: (224) [user] classify_and_convert_charseq([:], :)
^  Exit: (223) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (222) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (222) [user] read_list(')', (0x563acd73bee0), _1935488)
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _1937346)
   Exit: (224) [system] peek_char((0x563acd73bee0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x563acd73bee0), _1946940)
   Exit: (224) [system] get_char((0x563acd73bee0), ' ')
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _1949644)
   Exit: (225) [system] peek_char((0x563acd73bee0), '(')
   Call: (225) [system] '('=(;)
   Fail: (225) [system] '('=(;)
   Call: (225) [system] '('=(/)
   Fail: (225) [system] '('=(/)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Fail: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Fail: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Fail: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
   Fail: (226) [system] char_type('(', cntrl)
^  Fail: (225) [user] is_like_space('(')
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _1966578)
   Exit: (223) [system] peek_char((0x563acd73bee0), '(')
   Call: (223) [system] '('=')'
   Fail: (223) [system] '('=')'
   Call: (223) [system] '('=end_of_file
   Fail: (223) [system] '('=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x563acd73bee0), _1972148)
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _1974006)
   Exit: (225) [system] peek_char((0x563acd73bee0), '(')
   Call: (225) [system] '('=(;)
   Fail: (225) [system] '('=(;)
   Call: (225) [system] '('=(/)
   Fail: (225) [system] '('=(/)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Fail: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Fail: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Fail: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
   Fail: (226) [system] char_type('(', cntrl)
^  Fail: (225) [user] is_like_space('(')
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] get_char((0x563acd73bee0), _1990016)
   Exit: (224) [system] get_char((0x563acd73bee0), '(')
   Call: (224) [system] '('='('
   Exit: (224) [system] '('='('
^  Call: (224) [user] read_list(')', (0x563acd73bee0), _1972148)
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _1995586)
   Exit: (226) [system] peek_char((0x563acd73bee0), 'D')
   Call: (226) [system] 'D'=(;)
   Fail: (226) [system] 'D'=(;)
   Call: (226) [system] 'D'=(/)
   Fail: (226) [system] 'D'=(/)
^  Call: (226) [user] is_like_space('D')
   Call: (227) [system] char_type('D', 'white')
   Fail: (227) [system] char_type('D', 'white')
   Call: (227) [system] char_type('D', end_of_line)
   Fail: (227) [system] char_type('D', end_of_line)
   Call: (227) [system] char_type('D', space)
   Fail: (227) [system] char_type('D', space)
   Call: (227) [system] char_type('D', cntrl)
   Fail: (227) [system] char_type('D', cntrl)
^  Fail: (226) [user] is_like_space('D')
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _2011596)
   Exit: (225) [system] peek_char((0x563acd73bee0), 'D')
   Call: (225) [system] 'D'=')'
   Fail: (225) [system] 'D'=')'
   Call: (225) [system] 'D'=end_of_file
   Fail: (225) [system] 'D'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x563acd73bee0), _2017166)
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _2019024)
   Exit: (227) [system] peek_char((0x563acd73bee0), 'D')
   Call: (227) [system] 'D'=(;)
   Fail: (227) [system] 'D'=(;)
   Call: (227) [system] 'D'=(/)
   Fail: (227) [system] 'D'=(/)
^  Call: (227) [user] is_like_space('D')
   Call: (228) [system] char_type('D', 'white')
   Fail: (228) [system] char_type('D', 'white')
   Call: (228) [system] char_type('D', end_of_line)
   Fail: (228) [system] char_type('D', end_of_line)
   Call: (228) [system] char_type('D', space)
   Fail: (228) [system] char_type('D', space)
   Call: (228) [system] char_type('D', cntrl)
   Fail: (228) [system] char_type('D', cntrl)
^  Fail: (227) [user] is_like_space('D')
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] get_char((0x563acd73bee0), _2035034)
   Exit: (226) [system] get_char((0x563acd73bee0), 'D')
   Call: (226) [system] 'D'='('
   Fail: (226) [system] 'D'='('
   Call: (226) [system] 'D'='['
   Fail: (226) [system] 'D'='['
   Call: (226) [system] 'D'='{'
   Fail: (226) [system] 'D'='{'
   Call: (226) [system] 'D'='"'
   Fail: (226) [system] 'D'='"'
   Call: (226) [system] 'D'=!
   Fail: (226) [system] 'D'=!
   Call: (226) [system] 'D'='\''
   Fail: (226) [system] 'D'='\''
   Call: (226) [system] 'D'='`'
   Fail: (226) [system] 'D'='`'
   Call: (226) [system] 'D'=end_of_file
   Fail: (226) [system] 'D'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x563acd73bee0), 'D', _2017166)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _2052676)
   Call: (228) [system] peek_char((0x563acd73bee0), _2053610)
   Exit: (228) [system] peek_char((0x563acd73bee0), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_2058330, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_2059262, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x563acd73bee0), i)
   Exit: (228) [system] get_char((0x563acd73bee0), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _2066612)
   Call: (229) [system] peek_char((0x563acd73bee0), _2067546)
   Exit: (229) [system] peek_char((0x563acd73bee0), s)
^  Call: (229) [user] is_delimiter(s)
   Call: (230) [system] char_type(s, space)
   Fail: (230) [system] char_type(s, space)
   Call: (230) [system] arg(_2072266, v('(', ')', end_of_file), s)
   Fail: (230) [system] arg(_2073198, v('(', ')', end_of_file), s)
^  Fail: (229) [user] is_delimiter(s)
   Call: (229) [system] ')'==s
   Fail: (229) [system] ')'==s
   Call: (229) [system] get_char((0x563acd73bee0), s)
   Exit: (229) [system] get_char((0x563acd73bee0), s)
   Call: (229) [system] s=(\)
   Fail: (229) [system] s=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _2080548)
   Call: (230) [system] peek_char((0x563acd73bee0), _2081482)
   Exit: (230) [system] peek_char((0x563acd73bee0), j)
^  Call: (230) [user] is_delimiter(j)
   Call: (231) [system] char_type(j, space)
   Fail: (231) [system] char_type(j, space)
   Call: (231) [system] arg(_2086202, v('(', ')', end_of_file), j)
   Fail: (231) [system] arg(_2087134, v('(', ')', end_of_file), j)
^  Fail: (230) [user] is_delimiter(j)
   Call: (230) [system] ')'==j
   Fail: (230) [system] ')'==j
   Call: (230) [system] get_char((0x563acd73bee0), j)
   Exit: (230) [system] get_char((0x563acd73bee0), j)
   Call: (230) [system] j=(\)
   Fail: (230) [system] j=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _2094484)
   Call: (231) [system] peek_char((0x563acd73bee0), _2095418)
   Exit: (231) [system] peek_char((0x563acd73bee0), u)
^  Call: (231) [user] is_delimiter(u)
   Call: (232) [system] char_type(u, space)
   Fail: (232) [system] char_type(u, space)
   Call: (232) [system] arg(_9746, v('(', ')', end_of_file), u)
   Fail: (232) [system] arg(_10678, v('(', ')', end_of_file), u)
^  Fail: (231) [user] is_delimiter(u)
   Call: (231) [system] ')'==u
   Fail: (231) [system] ')'==u
   Call: (231) [system] get_char((0x563acd73bee0), u)
   Exit: (231) [system] get_char((0x563acd73bee0), u)
   Call: (231) [system] u=(\)
   Fail: (231) [system] u=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _18028)
   Call: (232) [system] peek_char((0x563acd73bee0), _18962)
   Exit: (232) [system] peek_char((0x563acd73bee0), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Fail: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_23682, v('(', ')', end_of_file), n)
   Fail: (233) [system] arg(_24614, v('(', ')', end_of_file), n)
^  Fail: (232) [user] is_delimiter(n)
   Call: (232) [system] ')'==n
   Fail: (232) [system] ')'==n
   Call: (232) [system] get_char((0x563acd73bee0), n)
   Exit: (232) [system] get_char((0x563acd73bee0), n)
   Call: (232) [system] n=(\)
   Fail: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _31964)
   Call: (233) [system] peek_char((0x563acd73bee0), _32898)
   Exit: (233) [system] peek_char((0x563acd73bee0), c)
^  Call: (233) [user] is_delimiter(c)
   Call: (234) [system] char_type(c, space)
   Fail: (234) [system] char_type(c, space)
   Call: (234) [system] arg(_37618, v('(', ')', end_of_file), c)
   Fail: (234) [system] arg(_38550, v('(', ')', end_of_file), c)
^  Fail: (233) [user] is_delimiter(c)
   Call: (233) [system] ')'==c
   Fail: (233) [system] ')'==c
   Call: (233) [system] get_char((0x563acd73bee0), c)
   Exit: (233) [system] get_char((0x563acd73bee0), c)
   Call: (233) [system] c=(\)
   Fail: (233) [system] c=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), _45900)
   Call: (234) [system] peek_char((0x563acd73bee0), _46834)
   Exit: (234) [system] peek_char((0x563acd73bee0), t)
^  Call: (234) [user] is_delimiter(t)
   Call: (235) [system] char_type(t, space)
   Fail: (235) [system] char_type(t, space)
   Call: (235) [system] arg(_51554, v('(', ')', end_of_file), t)
   Fail: (235) [system] arg(_52486, v('(', ')', end_of_file), t)
^  Fail: (234) [user] is_delimiter(t)
   Call: (234) [system] ')'==t
   Fail: (234) [system] ')'==t
   Call: (234) [system] get_char((0x563acd73bee0), t)
   Exit: (234) [system] get_char((0x563acd73bee0), t)
   Call: (234) [system] t=(\)
   Fail: (234) [system] t=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), _59836)
   Call: (235) [system] peek_char((0x563acd73bee0), _60770)
   Exit: (235) [system] peek_char((0x563acd73bee0), i)
^  Call: (235) [user] is_delimiter(i)
   Call: (236) [system] char_type(i, space)
   Fail: (236) [system] char_type(i, space)
   Call: (236) [system] arg(_65490, v('(', ')', end_of_file), i)
   Fail: (236) [system] arg(_66422, v('(', ')', end_of_file), i)
^  Fail: (235) [user] is_delimiter(i)
   Call: (235) [system] ')'==i
   Fail: (235) [system] ')'==i
   Call: (235) [system] get_char((0x563acd73bee0), i)
   Exit: (235) [system] get_char((0x563acd73bee0), i)
   Call: (235) [system] i=(\)
   Fail: (235) [system] i=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), _73772)
   Call: (236) [system] peek_char((0x563acd73bee0), _74706)
   Exit: (236) [system] peek_char((0x563acd73bee0), o)
^  Call: (236) [user] is_delimiter(o)
   Call: (237) [system] char_type(o, space)
   Fail: (237) [system] char_type(o, space)
   Call: (237) [system] arg(_79426, v('(', ')', end_of_file), o)
   Fail: (237) [system] arg(_80358, v('(', ')', end_of_file), o)
^  Fail: (236) [user] is_delimiter(o)
   Call: (236) [system] ')'==o
   Fail: (236) [system] ')'==o
   Call: (236) [system] get_char((0x563acd73bee0), o)
   Exit: (236) [system] get_char((0x563acd73bee0), o)
   Call: (236) [system] o=(\)
   Fail: (236) [system] o=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), _87708)
   Call: (237) [system] peek_char((0x563acd73bee0), _88642)
   Exit: (237) [system] peek_char((0x563acd73bee0), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Fail: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_93362, v('(', ')', end_of_file), n)
   Fail: (238) [system] arg(_94294, v('(', ')', end_of_file), n)
^  Fail: (237) [user] is_delimiter(n)
   Call: (237) [system] ')'==n
   Fail: (237) [system] ')'==n
   Call: (237) [system] get_char((0x563acd73bee0), n)
   Exit: (237) [system] get_char((0x563acd73bee0), n)
   Call: (237) [system] n=(\)
   Fail: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), _101644)
   Call: (238) [system] peek_char((0x563acd73bee0), _102578)
   Exit: (238) [system] peek_char((0x563acd73bee0), 'I')
^  Call: (238) [user] is_delimiter('I')
   Call: (239) [system] char_type('I', space)
   Fail: (239) [system] char_type('I', space)
   Call: (239) [system] arg(_107298, v('(', ')', end_of_file), 'I')
   Fail: (239) [system] arg(_108230, v('(', ')', end_of_file), 'I')
^  Fail: (238) [user] is_delimiter('I')
   Call: (238) [system] ')'=='I'
   Fail: (238) [system] ')'=='I'
   Call: (238) [system] get_char((0x563acd73bee0), 'I')
   Exit: (238) [system] get_char((0x563acd73bee0), 'I')
   Call: (238) [system] 'I'=(\)
   Fail: (238) [system] 'I'=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x563acd73bee0), _115580)
   Call: (239) [system] peek_char((0x563acd73bee0), _116514)
   Exit: (239) [system] peek_char((0x563acd73bee0), n)
^  Call: (239) [user] is_delimiter(n)
   Call: (240) [system] char_type(n, space)
   Fail: (240) [system] char_type(n, space)
   Call: (240) [system] arg(_121234, v('(', ')', end_of_file), n)
   Fail: (240) [system] arg(_122166, v('(', ')', end_of_file), n)
^  Fail: (239) [user] is_delimiter(n)
   Call: (239) [system] ')'==n
   Fail: (239) [system] ')'==n
   Call: (239) [system] get_char((0x563acd73bee0), n)
   Exit: (239) [system] get_char((0x563acd73bee0), n)
   Call: (239) [system] n=(\)
   Fail: (239) [system] n=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x563acd73bee0), _129516)
   Call: (240) [system] peek_char((0x563acd73bee0), _130450)
   Exit: (240) [system] peek_char((0x563acd73bee0), t)
^  Call: (240) [user] is_delimiter(t)
   Call: (241) [system] char_type(t, space)
   Fail: (241) [system] char_type(t, space)
   Call: (241) [system] arg(_135170, v('(', ')', end_of_file), t)
   Fail: (241) [system] arg(_136102, v('(', ')', end_of_file), t)
^  Fail: (240) [user] is_delimiter(t)
   Call: (240) [system] ')'==t
   Fail: (240) [system] ')'==t
   Call: (240) [system] get_char((0x563acd73bee0), t)
   Exit: (240) [system] get_char((0x563acd73bee0), t)
   Call: (240) [system] t=(\)
   Fail: (240) [system] t=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x563acd73bee0), _143452)
   Call: (241) [system] peek_char((0x563acd73bee0), _144386)
   Exit: (241) [system] peek_char((0x563acd73bee0), r)
^  Call: (241) [user] is_delimiter(r)
   Call: (242) [system] char_type(r, space)
   Fail: (242) [system] char_type(r, space)
   Call: (242) [system] arg(_149106, v('(', ')', end_of_file), r)
   Fail: (242) [system] arg(_150038, v('(', ')', end_of_file), r)
^  Fail: (241) [user] is_delimiter(r)
   Call: (241) [system] ')'==r
   Fail: (241) [system] ')'==r
   Call: (241) [system] get_char((0x563acd73bee0), r)
   Exit: (241) [system] get_char((0x563acd73bee0), r)
   Call: (241) [system] r=(\)
   Fail: (241) [system] r=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x563acd73bee0), _157388)
   Call: (242) [system] peek_char((0x563acd73bee0), _158322)
   Exit: (242) [system] peek_char((0x563acd73bee0), o)
^  Call: (242) [user] is_delimiter(o)
   Call: (243) [system] char_type(o, space)
   Fail: (243) [system] char_type(o, space)
   Call: (243) [system] arg(_163042, v('(', ')', end_of_file), o)
   Fail: (243) [system] arg(_163974, v('(', ')', end_of_file), o)
^  Fail: (242) [user] is_delimiter(o)
   Call: (242) [system] ')'==o
   Fail: (242) [system] ')'==o
   Call: (242) [system] get_char((0x563acd73bee0), o)
   Exit: (242) [system] get_char((0x563acd73bee0), o)
   Call: (242) [system] o=(\)
   Fail: (242) [system] o=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x563acd73bee0), _171324)
   Call: (243) [system] peek_char((0x563acd73bee0), _172258)
   Exit: (243) [system] peek_char((0x563acd73bee0), d)
^  Call: (243) [user] is_delimiter(d)
   Call: (244) [system] char_type(d, space)
   Fail: (244) [system] char_type(d, space)
   Call: (244) [system] arg(_176978, v('(', ')', end_of_file), d)
   Fail: (244) [system] arg(_177910, v('(', ')', end_of_file), d)
^  Fail: (243) [user] is_delimiter(d)
   Call: (243) [system] ')'==d
   Fail: (243) [system] ')'==d
   Call: (243) [system] get_char((0x563acd73bee0), d)
   Exit: (243) [system] get_char((0x563acd73bee0), d)
   Call: (243) [system] d=(\)
   Fail: (243) [system] d=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x563acd73bee0), _185260)
   Call: (244) [system] peek_char((0x563acd73bee0), _186194)
   Exit: (244) [system] peek_char((0x563acd73bee0), u)
^  Call: (244) [user] is_delimiter(u)
   Call: (245) [system] char_type(u, space)
   Fail: (245) [system] char_type(u, space)
   Call: (245) [system] arg(_190914, v('(', ')', end_of_file), u)
   Fail: (245) [system] arg(_191846, v('(', ')', end_of_file), u)
^  Fail: (244) [user] is_delimiter(u)
   Call: (244) [system] ')'==u
   Fail: (244) [system] ')'==u
   Call: (244) [system] get_char((0x563acd73bee0), u)
   Exit: (244) [system] get_char((0x563acd73bee0), u)
   Call: (244) [system] u=(\)
   Fail: (244) [system] u=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x563acd73bee0), _199196)
   Call: (245) [system] peek_char((0x563acd73bee0), _200130)
   Exit: (245) [system] peek_char((0x563acd73bee0), c)
^  Call: (245) [user] is_delimiter(c)
   Call: (246) [system] char_type(c, space)
   Fail: (246) [system] char_type(c, space)
   Call: (246) [system] arg(_204850, v('(', ')', end_of_file), c)
   Fail: (246) [system] arg(_205782, v('(', ')', end_of_file), c)
^  Fail: (245) [user] is_delimiter(c)
   Call: (245) [system] ')'==c
   Fail: (245) [system] ')'==c
   Call: (245) [system] get_char((0x563acd73bee0), c)
   Exit: (245) [system] get_char((0x563acd73bee0), c)
   Call: (245) [system] c=(\)
   Fail: (245) [system] c=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x563acd73bee0), _213132)
   Call: (246) [system] peek_char((0x563acd73bee0), _214066)
   Exit: (246) [system] peek_char((0x563acd73bee0), t)
^  Call: (246) [user] is_delimiter(t)
   Call: (247) [system] char_type(t, space)
   Fail: (247) [system] char_type(t, space)
   Call: (247) [system] arg(_218786, v('(', ')', end_of_file), t)
   Fail: (247) [system] arg(_219718, v('(', ')', end_of_file), t)
^  Fail: (246) [user] is_delimiter(t)
   Call: (246) [system] ')'==t
   Fail: (246) [system] ')'==t
   Call: (246) [system] get_char((0x563acd73bee0), t)
   Exit: (246) [system] get_char((0x563acd73bee0), t)
   Call: (246) [system] t=(\)
   Fail: (246) [system] t=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x563acd73bee0), _227068)
   Call: (247) [system] peek_char((0x563acd73bee0), _228002)
   Exit: (247) [system] peek_char((0x563acd73bee0), i)
^  Call: (247) [user] is_delimiter(i)
   Call: (248) [system] char_type(i, space)
   Fail: (248) [system] char_type(i, space)
   Call: (248) [system] arg(_232722, v('(', ')', end_of_file), i)
   Fail: (248) [system] arg(_233654, v('(', ')', end_of_file), i)
^  Fail: (247) [user] is_delimiter(i)
   Call: (247) [system] ')'==i
   Fail: (247) [system] ')'==i
   Call: (247) [system] get_char((0x563acd73bee0), i)
   Exit: (247) [system] get_char((0x563acd73bee0), i)
   Call: (247) [system] i=(\)
   Fail: (247) [system] i=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x563acd73bee0), _241004)
   Call: (248) [system] peek_char((0x563acd73bee0), _241938)
   Exit: (248) [system] peek_char((0x563acd73bee0), o)
^  Call: (248) [user] is_delimiter(o)
   Call: (249) [system] char_type(o, space)
   Fail: (249) [system] char_type(o, space)
   Call: (249) [system] arg(_246658, v('(', ')', end_of_file), o)
   Fail: (249) [system] arg(_247590, v('(', ')', end_of_file), o)
^  Fail: (248) [user] is_delimiter(o)
   Call: (248) [system] ')'==o
   Fail: (248) [system] ')'==o
   Call: (248) [system] get_char((0x563acd73bee0), o)
   Exit: (248) [system] get_char((0x563acd73bee0), o)
   Call: (248) [system] o=(\)
   Fail: (248) [system] o=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x563acd73bee0), _254940)
   Call: (249) [system] peek_char((0x563acd73bee0), _255874)
   Exit: (249) [system] peek_char((0x563acd73bee0), n)
^  Call: (249) [user] is_delimiter(n)
   Call: (250) [system] char_type(n, space)
   Fail: (250) [system] char_type(n, space)
   Call: (250) [system] arg(_260594, v('(', ')', end_of_file), n)
   Fail: (250) [system] arg(_261526, v('(', ')', end_of_file), n)
^  Fail: (249) [user] is_delimiter(n)
   Call: (249) [system] ')'==n
   Fail: (249) [system] ')'==n
   Call: (249) [system] get_char((0x563acd73bee0), n)
   Exit: (249) [system] get_char((0x563acd73bee0), n)
   Call: (249) [system] n=(\)
   Fail: (249) [system] n=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x563acd73bee0), _268876)
   Call: (250) [system] peek_char((0x563acd73bee0), _269810)
   Exit: (250) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (250) [user] is_delimiter(' ')
   Call: (251) [system] char_type(' ', space)
   Exit: (251) [system] char_type(' ', space)
^  Exit: (250) [user] is_delimiter(' ')
   Call: (250) [system] _268876=[]
   Exit: (250) [system] []=[]
^  Exit: (249) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (249) [system] _254940=[n]
   Exit: (249) [system] [n]=[n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (248) [system] _241004=[o, n]
   Exit: (248) [system] [o, n]=[o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (247) [system] _227068=[i, o, n]
   Exit: (247) [system] [i, o, n]=[i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (246) [system] _213132=[t, i, o, n]
   Exit: (246) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (245) [system] _199196=[c, t, i, o, n]
   Exit: (245) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n])
   Call: (244) [system] _185260=[u, c, t, i, o, n]
   Exit: (244) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, i, o, n])
   Call: (243) [system] _171324=[d, u, c, t, i, o, n]
   Exit: (243) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, u, c, t, i, o, n])
   Call: (242) [system] _157388=[o, d, u, c, t, i, o, n]
   Exit: (242) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, d, u, c, t, i, o, n])
   Call: (241) [system] _143452=[r, o, d, u, c, t, i, o, n]
   Exit: (241) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, d, u, c, t, i, o, n])
   Call: (240) [system] _129516=[t, r, o, d, u, c, t, i, o, n]
   Exit: (240) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, r, o, d, u, c, t, i, o, n])
   Call: (239) [system] _115580=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (238) [system] _101644=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _87708=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _73772=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _59836=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _45900=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _31964=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _18028=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _6354=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _6350=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _6346=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _6342=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (227) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _6338)
^  Call: (228) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _340562)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_341514, _341516), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _340562), _341496, fail)), '$restore_trace'(_341514, _341516))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_341514, _341516))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _340562), _341496, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_340562)
   Fail: (229) [system] atomic(_340562)
   Call: (229) [system] atom_chars(_340562, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (229) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (228) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (228) [system] integer('DisjunctionIntroduction')
   Fail: (228) [system] integer('DisjunctionIntroduction')
   Call: (228) [system] _6338='DisjunctionIntroduction'
   Exit: (228) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (227) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (226) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'DisjunctionIntroduction')
^  Exit: (225) [user] cont_sexpr(')', (0x563acd73bee0), 'DisjunctionIntroduction')
^  Call: (225) [user] read_list(')', (0x563acd73bee0), _355512)
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _357370)
   Exit: (227) [system] peek_char((0x563acd73bee0), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
   Call: (227) [system] ' '=(/)
   Fail: (227) [system] ' '=(/)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x563acd73bee0), _366964)
   Exit: (227) [system] get_char((0x563acd73bee0), ' ')
^  Call: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _369668)
   Exit: (228) [system] peek_char((0x563acd73bee0), a)
   Call: (228) [system] a=(;)
   Fail: (228) [system] a=(;)
   Call: (228) [system] a=(/)
   Fail: (228) [system] a=(/)
^  Call: (228) [user] is_like_space(a)
   Call: (229) [system] char_type(a, 'white')
   Fail: (229) [system] char_type(a, 'white')
   Call: (229) [system] char_type(a, end_of_line)
   Fail: (229) [system] char_type(a, end_of_line)
   Call: (229) [system] char_type(a, space)
   Fail: (229) [system] char_type(a, space)
   Call: (229) [system] char_type(a, cntrl)
   Fail: (229) [system] char_type(a, cntrl)
^  Fail: (228) [user] is_like_space(a)
^  Exit: (227) [user] skip_spaces((0x563acd73bee0))
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _386602)
   Exit: (226) [system] peek_char((0x563acd73bee0), a)
   Call: (226) [system] a=')'
   Fail: (226) [system] a=')'
   Call: (226) [system] a=end_of_file
   Fail: (226) [system] a=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x563acd73bee0), _392172)
^  Call: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _394030)
   Exit: (228) [system] peek_char((0x563acd73bee0), a)
   Call: (228) [system] a=(;)
   Fail: (228) [system] a=(;)
   Call: (228) [system] a=(/)
   Fail: (228) [system] a=(/)
^  Call: (228) [user] is_like_space(a)
   Call: (229) [system] char_type(a, 'white')
   Fail: (229) [system] char_type(a, 'white')
   Call: (229) [system] char_type(a, end_of_line)
   Fail: (229) [system] char_type(a, end_of_line)
   Call: (229) [system] char_type(a, space)
   Fail: (229) [system] char_type(a, space)
   Call: (229) [system] char_type(a, cntrl)
   Fail: (229) [system] char_type(a, cntrl)
^  Fail: (228) [user] is_like_space(a)
^  Exit: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] get_char((0x563acd73bee0), _410040)
   Exit: (227) [system] get_char((0x563acd73bee0), a)
   Call: (227) [system] a='('
   Fail: (227) [system] a='('
   Call: (227) [system] a='['
   Fail: (227) [system] a='['
   Call: (227) [system] a='{'
   Fail: (227) [system] a='{'
   Call: (227) [system] a='"'
   Fail: (227) [system] a='"'
   Call: (227) [system] a=!
   Fail: (227) [system] a=!
   Call: (227) [system] a='\''
   Fail: (227) [system] a='\''
   Call: (227) [system] a='`'
   Fail: (227) [system] a='`'
   Call: (227) [system] a=end_of_file
   Fail: (227) [system] a=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x563acd73bee0), a, _392172)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _427682)
   Call: (229) [system] peek_char((0x563acd73bee0), _428616)
   Exit: (229) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _427682=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (228) [user] classify_and_convert_charseq([a], _392172)
^  Call: (229) [user] classify_and_convert_charseq_([a], _437900)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_438852, _438854), once(user:catch(read_from_chars([a], _437900), _438834, fail)), '$restore_trace'(_438852, _438854))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_438852, _438854))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _438834, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(a)
   Exit: (230) [system] atomic(a)
^  Exit: (229) [user] classify_and_convert_charseq_([a], a)
   Call: (229) [system] integer(a)
   Fail: (229) [system] integer(a)
   Call: (229) [system] _392172=a
   Exit: (229) [system] a=a
^  Exit: (228) [user] classify_and_convert_charseq([a], a)
^  Exit: (227) [user] read_symbolic(')', (0x563acd73bee0), a, a)
^  Exit: (226) [user] cont_sexpr(')', (0x563acd73bee0), a)
^  Call: (226) [user] read_list(')', (0x563acd73bee0), _450980)
^  Call: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _452838)
   Exit: (228) [system] peek_char((0x563acd73bee0), ' ')
   Call: (228) [system] ' '=(;)
   Fail: (228) [system] ' '=(;)
   Call: (228) [system] ' '=(/)
   Fail: (228) [system] ' '=(/)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x563acd73bee0), _462432)
   Exit: (228) [system] get_char((0x563acd73bee0), ' ')
^  Call: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] peek_char((0x563acd73bee0), _465136)
   Exit: (229) [system] peek_char((0x563acd73bee0), a)
   Call: (229) [system] a=(;)
   Fail: (229) [system] a=(;)
   Call: (229) [system] a=(/)
   Fail: (229) [system] a=(/)
^  Call: (229) [user] is_like_space(a)
   Call: (230) [system] char_type(a, 'white')
   Fail: (230) [system] char_type(a, 'white')
   Call: (230) [system] char_type(a, end_of_line)
   Fail: (230) [system] char_type(a, end_of_line)
   Call: (230) [system] char_type(a, space)
   Fail: (230) [system] char_type(a, space)
   Call: (230) [system] char_type(a, cntrl)
   Fail: (230) [system] char_type(a, cntrl)
^  Fail: (229) [user] is_like_space(a)
^  Exit: (228) [user] skip_spaces((0x563acd73bee0))
^  Exit: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _482070)
   Exit: (227) [system] peek_char((0x563acd73bee0), a)
   Call: (227) [system] a=')'
   Fail: (227) [system] a=')'
   Call: (227) [system] a=end_of_file
   Fail: (227) [system] a=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x563acd73bee0), _487640)
^  Call: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] peek_char((0x563acd73bee0), _489498)
   Exit: (229) [system] peek_char((0x563acd73bee0), a)
   Call: (229) [system] a=(;)
   Fail: (229) [system] a=(;)
   Call: (229) [system] a=(/)
   Fail: (229) [system] a=(/)
^  Call: (229) [user] is_like_space(a)
   Call: (230) [system] char_type(a, 'white')
   Fail: (230) [system] char_type(a, 'white')
   Call: (230) [system] char_type(a, end_of_line)
   Fail: (230) [system] char_type(a, end_of_line)
   Call: (230) [system] char_type(a, space)
   Fail: (230) [system] char_type(a, space)
   Call: (230) [system] char_type(a, cntrl)
   Fail: (230) [system] char_type(a, cntrl)
^  Fail: (229) [user] is_like_space(a)
^  Exit: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] get_char((0x563acd73bee0), _505508)
   Exit: (228) [system] get_char((0x563acd73bee0), a)
   Call: (228) [system] a='('
   Fail: (228) [system] a='('
   Call: (228) [system] a='['
   Fail: (228) [system] a='['
   Call: (228) [system] a='{'
   Fail: (228) [system] a='{'
   Call: (228) [system] a='"'
   Fail: (228) [system] a='"'
   Call: (228) [system] a=!
   Fail: (228) [system] a=!
   Call: (228) [system] a='\''
   Fail: (228) [system] a='\''
   Call: (228) [system] a='`'
   Fail: (228) [system] a='`'
   Call: (228) [system] a=end_of_file
   Fail: (228) [system] a=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x563acd73bee0), a, _487640)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _523150)
   Call: (230) [system] peek_char((0x563acd73bee0), _524084)
   Exit: (230) [system] peek_char((0x563acd73bee0), ')')
^  Call: (230) [user] is_delimiter(')')
   Call: (231) [system] char_type(')', space)
   Fail: (231) [system] char_type(')', space)
   Call: (231) [system] arg(_528804, v('(', ')', end_of_file), ')')
   Exit: (231) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (230) [user] is_delimiter(')')
   Call: (230) [system] _523150=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (229) [user] classify_and_convert_charseq([a], _487640)
^  Call: (230) [user] classify_and_convert_charseq_([a], _535240)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_536192, _536194), once(user:catch(read_from_chars([a], _535240), _536174, fail)), '$restore_trace'(_536192, _536194))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_536192, _536194))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _536174, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(a)
   Exit: (231) [system] atomic(a)
^  Exit: (230) [user] classify_and_convert_charseq_([a], a)
   Call: (230) [system] integer(a)
   Fail: (230) [system] integer(a)
   Call: (230) [system] _487640=a
   Exit: (230) [system] a=a
^  Exit: (229) [user] classify_and_convert_charseq([a], a)
^  Exit: (228) [user] read_symbolic(')', (0x563acd73bee0), a, a)
^  Exit: (227) [user] cont_sexpr(')', (0x563acd73bee0), a)
^  Call: (227) [user] read_list(')', (0x563acd73bee0), _548320)
^  Call: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] peek_char((0x563acd73bee0), _550178)
   Exit: (229) [system] peek_char((0x563acd73bee0), ')')
   Call: (229) [system] ')'=(;)
   Fail: (229) [system] ')'=(;)
   Call: (229) [system] ')'=(/)
   Fail: (229) [system] ')'=(/)
^  Call: (229) [user] is_like_space(')')
   Call: (230) [system] char_type(')', 'white')
   Fail: (230) [system] char_type(')', 'white')
   Call: (230) [system] char_type(')', end_of_line)
   Fail: (230) [system] char_type(')', end_of_line)
   Call: (230) [system] char_type(')', space)
   Fail: (230) [system] char_type(')', space)
   Call: (230) [system] char_type(')', cntrl)
   Fail: (230) [system] char_type(')', cntrl)
^  Fail: (229) [user] is_like_space(')')
^  Exit: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _566188)
   Exit: (228) [system] peek_char((0x563acd73bee0), ')')
   Call: (228) [system] ')'=')'
   Exit: (228) [system] ')'=')'
   Call: (228) [system] get_char((0x563acd73bee0), _569978)
   Exit: (228) [system] get_char((0x563acd73bee0), ')')
   Call: (228) [system] _548320=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_list(')', (0x563acd73bee0), [])
   Call: (227) [system] _450980=[a]
   Exit: (227) [system] [a]=[a]
^  Exit: (226) [user] read_list(')', (0x563acd73bee0), [a])
   Call: (226) [system] _355512=[a, a]
   Exit: (226) [system] [a, a]=[a, a]
^  Exit: (225) [user] read_list(')', (0x563acd73bee0), [a, a])
   Call: (225) [system] _6332=['DisjunctionIntroduction', a, a]
   Exit: (225) [system] ['DisjunctionIntroduction', a, a]=['DisjunctionIntroduction', a, a]
^  Exit: (224) [user] read_list(')', (0x563acd73bee0), ['DisjunctionIntroduction', a, a])
^  Exit: (223) [user] cont_sexpr(')', (0x563acd73bee0), ['DisjunctionIntroduction', a, a])
^  Call: (223) [user] read_list(')', (0x563acd73bee0), _583860)
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _585718)
   Exit: (225) [system] peek_char((0x563acd73bee0), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x563acd73bee0), _595312)
   Exit: (225) [system] get_char((0x563acd73bee0), ' ')
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _598016)
   Exit: (226) [system] peek_char((0x563acd73bee0), '(')
   Call: (226) [system] '('=(;)
   Fail: (226) [system] '('=(;)
   Call: (226) [system] '('=(/)
   Fail: (226) [system] '('=(/)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Fail: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Fail: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Fail: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
   Fail: (227) [system] char_type('(', cntrl)
^  Fail: (226) [user] is_like_space('(')
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _614950)
   Exit: (224) [system] peek_char((0x563acd73bee0), '(')
   Call: (224) [system] '('=')'
   Fail: (224) [system] '('=')'
   Call: (224) [system] '('=end_of_file
   Fail: (224) [system] '('=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x563acd73bee0), _620520)
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _622378)
   Exit: (226) [system] peek_char((0x563acd73bee0), '(')
   Call: (226) [system] '('=(;)
   Fail: (226) [system] '('=(;)
   Call: (226) [system] '('=(/)
   Fail: (226) [system] '('=(/)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Fail: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Fail: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Fail: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
   Fail: (227) [system] char_type('(', cntrl)
^  Fail: (226) [user] is_like_space('(')
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] get_char((0x563acd73bee0), _638388)
   Exit: (225) [system] get_char((0x563acd73bee0), '(')
   Call: (225) [system] '('='('
   Exit: (225) [system] '('='('
^  Call: (225) [user] read_list(')', (0x563acd73bee0), _620520)
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _643958)
   Exit: (227) [system] peek_char((0x563acd73bee0), 'O')
   Call: (227) [system] 'O'=(;)
   Fail: (227) [system] 'O'=(;)
   Call: (227) [system] 'O'=(/)
   Fail: (227) [system] 'O'=(/)
^  Call: (227) [user] is_like_space('O')
   Call: (228) [system] char_type('O', 'white')
   Fail: (228) [system] char_type('O', 'white')
   Call: (228) [system] char_type('O', end_of_line)
   Fail: (228) [system] char_type('O', end_of_line)
   Call: (228) [system] char_type('O', space)
   Fail: (228) [system] char_type('O', space)
   Call: (228) [system] char_type('O', cntrl)
   Fail: (228) [system] char_type('O', cntrl)
^  Fail: (227) [user] is_like_space('O')
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _659968)
   Exit: (226) [system] peek_char((0x563acd73bee0), 'O')
   Call: (226) [system] 'O'=')'
   Fail: (226) [system] 'O'=')'
   Call: (226) [system] 'O'=end_of_file
   Fail: (226) [system] 'O'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x563acd73bee0), _665538)
^  Call: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _667396)
   Exit: (228) [system] peek_char((0x563acd73bee0), 'O')
   Call: (228) [system] 'O'=(;)
   Fail: (228) [system] 'O'=(;)
   Call: (228) [system] 'O'=(/)
   Fail: (228) [system] 'O'=(/)
^  Call: (228) [user] is_like_space('O')
   Call: (229) [system] char_type('O', 'white')
   Fail: (229) [system] char_type('O', 'white')
   Call: (229) [system] char_type('O', end_of_line)
   Fail: (229) [system] char_type('O', end_of_line)
   Call: (229) [system] char_type('O', space)
   Fail: (229) [system] char_type('O', space)
   Call: (229) [system] char_type('O', cntrl)
   Fail: (229) [system] char_type('O', cntrl)
^  Fail: (228) [user] is_like_space('O')
^  Exit: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] get_char((0x563acd73bee0), _683406)
   Exit: (227) [system] get_char((0x563acd73bee0), 'O')
   Call: (227) [system] 'O'='('
   Fail: (227) [system] 'O'='('
   Call: (227) [system] 'O'='['
   Fail: (227) [system] 'O'='['
   Call: (227) [system] 'O'='{'
   Fail: (227) [system] 'O'='{'
   Call: (227) [system] 'O'='"'
   Fail: (227) [system] 'O'='"'
   Call: (227) [system] 'O'=!
   Fail: (227) [system] 'O'=!
   Call: (227) [system] 'O'='\''
   Fail: (227) [system] 'O'='\''
   Call: (227) [system] 'O'='`'
   Fail: (227) [system] 'O'='`'
   Call: (227) [system] 'O'=end_of_file
   Fail: (227) [system] 'O'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x563acd73bee0), 'O', _665538)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _701048)
   Call: (229) [system] peek_char((0x563acd73bee0), _701982)
   Exit: (229) [system] peek_char((0x563acd73bee0), r)
^  Call: (229) [user] is_delimiter(r)
   Call: (230) [system] char_type(r, space)
   Fail: (230) [system] char_type(r, space)
   Call: (230) [system] arg(_706702, v('(', ')', end_of_file), r)
   Fail: (230) [system] arg(_707634, v('(', ')', end_of_file), r)
^  Fail: (229) [user] is_delimiter(r)
   Call: (229) [system] ')'==r
   Fail: (229) [system] ')'==r
   Call: (229) [system] get_char((0x563acd73bee0), r)
   Exit: (229) [system] get_char((0x563acd73bee0), r)
   Call: (229) [system] r=(\)
   Fail: (229) [system] r=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _714984)
   Call: (230) [system] peek_char((0x563acd73bee0), _715918)
   Exit: (230) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (230) [user] is_delimiter('L')
   Call: (231) [system] char_type('L', space)
   Fail: (231) [system] char_type('L', space)
   Call: (231) [system] arg(_720638, v('(', ')', end_of_file), 'L')
   Fail: (231) [system] arg(_721570, v('(', ')', end_of_file), 'L')
^  Fail: (230) [user] is_delimiter('L')
   Call: (230) [system] ')'=='L'
   Fail: (230) [system] ')'=='L'
   Call: (230) [system] get_char((0x563acd73bee0), 'L')
   Exit: (230) [system] get_char((0x563acd73bee0), 'L')
   Call: (230) [system] 'L'=(\)
   Fail: (230) [system] 'L'=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _728920)
   Call: (231) [system] peek_char((0x563acd73bee0), _729854)
   Exit: (231) [system] peek_char((0x563acd73bee0), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Fail: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_734574, v('(', ')', end_of_file), i)
   Fail: (232) [system] arg(_735506, v('(', ')', end_of_file), i)
^  Fail: (231) [user] is_delimiter(i)
   Call: (231) [system] ')'==i
   Fail: (231) [system] ')'==i
   Call: (231) [system] get_char((0x563acd73bee0), i)
   Exit: (231) [system] get_char((0x563acd73bee0), i)
   Call: (231) [system] i=(\)
   Fail: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _742856)
   Call: (232) [system] peek_char((0x563acd73bee0), _743790)
   Exit: (232) [system] peek_char((0x563acd73bee0), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Fail: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_748510, v('(', ')', end_of_file), n)
   Fail: (233) [system] arg(_749442, v('(', ')', end_of_file), n)
^  Fail: (232) [user] is_delimiter(n)
   Call: (232) [system] ')'==n
   Fail: (232) [system] ')'==n
   Call: (232) [system] get_char((0x563acd73bee0), n)
   Exit: (232) [system] get_char((0x563acd73bee0), n)
   Call: (232) [system] n=(\)
   Fail: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _756792)
   Call: (233) [system] peek_char((0x563acd73bee0), _757726)
   Exit: (233) [system] peek_char((0x563acd73bee0), k)
^  Call: (233) [user] is_delimiter(k)
   Call: (234) [system] char_type(k, space)
   Fail: (234) [system] char_type(k, space)
   Call: (234) [system] arg(_762446, v('(', ')', end_of_file), k)
   Fail: (234) [system] arg(_763378, v('(', ')', end_of_file), k)
^  Fail: (233) [user] is_delimiter(k)
   Call: (233) [system] ')'==k
   Fail: (233) [system] ')'==k
   Call: (233) [system] get_char((0x563acd73bee0), k)
   Exit: (233) [system] get_char((0x563acd73bee0), k)
   Call: (233) [system] k=(\)
   Fail: (233) [system] k=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), _770728)
   Call: (234) [system] peek_char((0x563acd73bee0), _771662)
   Exit: (234) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _770728=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (233) [system] _756792=[k]
   Exit: (233) [system] [k]=[k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (232) [system] _742856=[n, k]
   Exit: (232) [system] [n, k]=[n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (231) [system] _728920=[i, n, k]
   Exit: (231) [system] [i, n, k]=[i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (230) [system] _714984=['L', i, n, k]
   Exit: (230) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (229) [system] _701048=[r, 'L', i, n, k]
   Exit: (229) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (228) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _665538)
^  Call: (229) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _794916)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_795868, _795870), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _794916), _795850, fail)), '$restore_trace'(_795868, _795870))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_795868, _795870))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _794916), _795850, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_794916)
   Fail: (230) [system] atomic(_794916)
   Call: (230) [system] atom_chars(_794916, ['O', r, 'L', i, n, k])
   Exit: (230) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (229) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (229) [system] integer('OrLink')
   Fail: (229) [system] integer('OrLink')
   Call: (229) [system] _665538='OrLink'
   Exit: (229) [system] 'OrLink'='OrLink'
^  Exit: (228) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (227) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (226) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (226) [user] read_list(')', (0x563acd73bee0), _809866)
^  Call: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _811724)
   Exit: (228) [system] peek_char((0x563acd73bee0), ' ')
   Call: (228) [system] ' '=(;)
   Fail: (228) [system] ' '=(;)
   Call: (228) [system] ' '=(/)
   Fail: (228) [system] ' '=(/)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x563acd73bee0), _821318)
   Exit: (228) [system] get_char((0x563acd73bee0), ' ')
^  Call: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] peek_char((0x563acd73bee0), _824022)
   Exit: (229) [system] peek_char((0x563acd73bee0), 'A')
   Call: (229) [system] 'A'=(;)
   Fail: (229) [system] 'A'=(;)
   Call: (229) [system] 'A'=(/)
   Fail: (229) [system] 'A'=(/)
^  Call: (229) [user] is_like_space('A')
   Call: (230) [system] char_type('A', 'white')
   Fail: (230) [system] char_type('A', 'white')
   Call: (230) [system] char_type('A', end_of_line)
   Fail: (230) [system] char_type('A', end_of_line)
   Call: (230) [system] char_type('A', space)
   Fail: (230) [system] char_type('A', space)
   Call: (230) [system] char_type('A', cntrl)
   Fail: (230) [system] char_type('A', cntrl)
^  Fail: (229) [user] is_like_space('A')
^  Exit: (228) [user] skip_spaces((0x563acd73bee0))
^  Exit: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _840956)
   Exit: (227) [system] peek_char((0x563acd73bee0), 'A')
   Call: (227) [system] 'A'=')'
   Fail: (227) [system] 'A'=')'
   Call: (227) [system] 'A'=end_of_file
   Fail: (227) [system] 'A'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x563acd73bee0), _846526)
^  Call: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] peek_char((0x563acd73bee0), _848384)
   Exit: (229) [system] peek_char((0x563acd73bee0), 'A')
   Call: (229) [system] 'A'=(;)
   Fail: (229) [system] 'A'=(;)
   Call: (229) [system] 'A'=(/)
   Fail: (229) [system] 'A'=(/)
^  Call: (229) [user] is_like_space('A')
   Call: (230) [system] char_type('A', 'white')
   Fail: (230) [system] char_type('A', 'white')
   Call: (230) [system] char_type('A', end_of_line)
   Fail: (230) [system] char_type('A', end_of_line)
   Call: (230) [system] char_type('A', space)
   Fail: (230) [system] char_type('A', space)
   Call: (230) [system] char_type('A', cntrl)
   Fail: (230) [system] char_type('A', cntrl)
^  Fail: (229) [user] is_like_space('A')
^  Exit: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] get_char((0x563acd73bee0), _864394)
   Exit: (228) [system] get_char((0x563acd73bee0), 'A')
   Call: (228) [system] 'A'='('
   Fail: (228) [system] 'A'='('
   Call: (228) [system] 'A'='['
   Fail: (228) [system] 'A'='['
   Call: (228) [system] 'A'='{'
   Fail: (228) [system] 'A'='{'
   Call: (228) [system] 'A'='"'
   Fail: (228) [system] 'A'='"'
   Call: (228) [system] 'A'=!
   Fail: (228) [system] 'A'=!
   Call: (228) [system] 'A'='\''
   Fail: (228) [system] 'A'='\''
   Call: (228) [system] 'A'='`'
   Fail: (228) [system] 'A'='`'
   Call: (228) [system] 'A'=end_of_file
   Fail: (228) [system] 'A'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x563acd73bee0), 'A', _846526)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _882036)
   Call: (230) [system] peek_char((0x563acd73bee0), _882970)
   Exit: (230) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _882036=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (229) [user] classify_and_convert_charseq(['A'], _846526)
^  Call: (230) [user] classify_and_convert_charseq_(['A'], _892254)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_893206, _893208), once(user:catch(read_from_chars(['A'], _892254), _893188, fail)), '$restore_trace'(_893206, _893208))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_893206, _893208))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _892254), _893188, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_892254)
   Fail: (231) [system] atomic(_892254)
   Call: (231) [system] atom_chars(_892254, ['A'])
   Exit: (231) [system] atom_chars('A', ['A'])
^  Exit: (230) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (230) [system] integer('A')
   Fail: (230) [system] integer('A')
   Call: (230) [system] _846526='A'
   Exit: (230) [system] 'A'='A'
^  Exit: (229) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (228) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (227) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (227) [user] read_list(')', (0x563acd73bee0), _907204)
^  Call: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] peek_char((0x563acd73bee0), _909062)
   Exit: (229) [system] peek_char((0x563acd73bee0), ' ')
   Call: (229) [system] ' '=(;)
   Fail: (229) [system] ' '=(;)
   Call: (229) [system] ' '=(/)
   Fail: (229) [system] ' '=(/)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x563acd73bee0), _918656)
   Exit: (229) [system] get_char((0x563acd73bee0), ' ')
^  Call: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (230) [system] peek_char((0x563acd73bee0), _921360)
   Exit: (230) [system] peek_char((0x563acd73bee0), 'B')
   Call: (230) [system] 'B'=(;)
   Fail: (230) [system] 'B'=(;)
   Call: (230) [system] 'B'=(/)
   Fail: (230) [system] 'B'=(/)
^  Call: (230) [user] is_like_space('B')
   Call: (231) [system] char_type('B', 'white')
   Fail: (231) [system] char_type('B', 'white')
   Call: (231) [system] char_type('B', end_of_line)
   Fail: (231) [system] char_type('B', end_of_line)
   Call: (231) [system] char_type('B', space)
   Fail: (231) [system] char_type('B', space)
   Call: (231) [system] char_type('B', cntrl)
   Fail: (231) [system] char_type('B', cntrl)
^  Fail: (230) [user] is_like_space('B')
^  Exit: (229) [user] skip_spaces((0x563acd73bee0))
^  Exit: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _938294)
   Exit: (228) [system] peek_char((0x563acd73bee0), 'B')
   Call: (228) [system] 'B'=')'
   Fail: (228) [system] 'B'=')'
   Call: (228) [system] 'B'=end_of_file
   Fail: (228) [system] 'B'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x563acd73bee0), _943864)
^  Call: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (230) [system] peek_char((0x563acd73bee0), _945722)
   Exit: (230) [system] peek_char((0x563acd73bee0), 'B')
   Call: (230) [system] 'B'=(;)
   Fail: (230) [system] 'B'=(;)
   Call: (230) [system] 'B'=(/)
   Fail: (230) [system] 'B'=(/)
^  Call: (230) [user] is_like_space('B')
   Call: (231) [system] char_type('B', 'white')
   Fail: (231) [system] char_type('B', 'white')
   Call: (231) [system] char_type('B', end_of_line)
   Fail: (231) [system] char_type('B', end_of_line)
   Call: (231) [system] char_type('B', space)
   Fail: (231) [system] char_type('B', space)
   Call: (231) [system] char_type('B', cntrl)
   Fail: (231) [system] char_type('B', cntrl)
^  Fail: (230) [user] is_like_space('B')
^  Exit: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] get_char((0x563acd73bee0), _961732)
   Exit: (229) [system] get_char((0x563acd73bee0), 'B')
   Call: (229) [system] 'B'='('
   Fail: (229) [system] 'B'='('
   Call: (229) [system] 'B'='['
   Fail: (229) [system] 'B'='['
   Call: (229) [system] 'B'='{'
   Fail: (229) [system] 'B'='{'
   Call: (229) [system] 'B'='"'
   Fail: (229) [system] 'B'='"'
   Call: (229) [system] 'B'=!
   Fail: (229) [system] 'B'=!
   Call: (229) [system] 'B'='\''
   Fail: (229) [system] 'B'='\''
   Call: (229) [system] 'B'='`'
   Fail: (229) [system] 'B'='`'
   Call: (229) [system] 'B'=end_of_file
   Fail: (229) [system] 'B'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x563acd73bee0), 'B', _943864)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _979374)
   Call: (231) [system] peek_char((0x563acd73bee0), _980308)
   Exit: (231) [system] peek_char((0x563acd73bee0), ')')
^  Call: (231) [user] is_delimiter(')')
   Call: (232) [system] char_type(')', space)
   Fail: (232) [system] char_type(')', space)
   Call: (232) [system] arg(_985028, v('(', ')', end_of_file), ')')
   Exit: (232) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (231) [user] is_delimiter(')')
   Call: (231) [system] _979374=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (230) [user] classify_and_convert_charseq(['B'], _943864)
^  Call: (231) [user] classify_and_convert_charseq_(['B'], _991464)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_992416, _992418), once(user:catch(read_from_chars(['B'], _991464), _992398, fail)), '$restore_trace'(_992416, _992418))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_992416, _992418))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _991464), _992398, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_991464)
   Fail: (232) [system] atomic(_991464)
   Call: (232) [system] atom_chars(_991464, ['B'])
   Exit: (232) [system] atom_chars('B', ['B'])
^  Exit: (231) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (231) [system] integer('B')
   Fail: (231) [system] integer('B')
   Call: (231) [system] _943864='B'
   Exit: (231) [system] 'B'='B'
^  Exit: (230) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (229) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (228) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (228) [user] read_list(')', (0x563acd73bee0), _1006414)
^  Call: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (230) [system] peek_char((0x563acd73bee0), _1008272)
   Exit: (230) [system] peek_char((0x563acd73bee0), ')')
   Call: (230) [system] ')'=(;)
   Fail: (230) [system] ')'=(;)
   Call: (230) [system] ')'=(/)
   Fail: (230) [system] ')'=(/)
^  Call: (230) [user] is_like_space(')')
   Call: (231) [system] char_type(')', 'white')
   Fail: (231) [system] char_type(')', 'white')
   Call: (231) [system] char_type(')', end_of_line)
   Fail: (231) [system] char_type(')', end_of_line)
   Call: (231) [system] char_type(')', space)
   Fail: (231) [system] char_type(')', space)
   Call: (231) [system] char_type(')', cntrl)
   Fail: (231) [system] char_type(')', cntrl)
^  Fail: (230) [user] is_like_space(')')
^  Exit: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] peek_char((0x563acd73bee0), _1024282)
   Exit: (229) [system] peek_char((0x563acd73bee0), ')')
   Call: (229) [system] ')'=')'
   Exit: (229) [system] ')'=')'
   Call: (229) [system] get_char((0x563acd73bee0), _1028072)
   Exit: (229) [system] get_char((0x563acd73bee0), ')')
   Call: (229) [system] _1006414=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_list(')', (0x563acd73bee0), [])
   Call: (228) [system] _907204=['B']
   Exit: (228) [system] ['B']=['B']
^  Exit: (227) [user] read_list(')', (0x563acd73bee0), ['B'])
   Call: (227) [system] _809866=['A', 'B']
   Exit: (227) [system] ['A', 'B']=['A', 'B']
^  Exit: (226) [user] read_list(')', (0x563acd73bee0), ['A', 'B'])
   Call: (226) [system] _620520=['OrLink', 'A', 'B']
   Exit: (226) [system] ['OrLink', 'A', 'B']=['OrLink', 'A', 'B']
^  Exit: (225) [user] read_list(')', (0x563acd73bee0), ['OrLink', 'A', 'B'])
^  Exit: (224) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', 'A', 'B'])
^  Call: (224) [user] read_list(')', (0x563acd73bee0), _1041954)
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _1043812)
   Exit: (226) [system] peek_char((0x563acd73bee0), ')')
   Call: (226) [system] ')'=(;)
   Fail: (226) [system] ')'=(;)
   Call: (226) [system] ')'=(/)
   Fail: (226) [system] ')'=(/)
^  Call: (226) [user] is_like_space(')')
   Call: (227) [system] char_type(')', 'white')
   Fail: (227) [system] char_type(')', 'white')
   Call: (227) [system] char_type(')', end_of_line)
   Fail: (227) [system] char_type(')', end_of_line)
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] char_type(')', cntrl)
   Fail: (227) [system] char_type(')', cntrl)
^  Fail: (226) [user] is_like_space(')')
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _1059822)
   Exit: (225) [system] peek_char((0x563acd73bee0), ')')
   Call: (225) [system] ')'=')'
   Exit: (225) [system] ')'=')'
   Call: (225) [system] get_char((0x563acd73bee0), _1063612)
   Exit: (225) [system] get_char((0x563acd73bee0), ')')
   Call: (225) [system] _1041954=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_list(')', (0x563acd73bee0), [])
   Call: (224) [system] _583860=[['OrLink', 'A', 'B']]
   Exit: (224) [system] [['OrLink', 'A', 'B']]=[['OrLink', 'A', 'B']]
^  Exit: (223) [user] read_list(')', (0x563acd73bee0), [['OrLink', 'A', 'B']])
   Call: (223) [system] _6328=[['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']]
   Exit: (223) [system] [['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']]=[['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']]
^  Exit: (222) [user] read_list(')', (0x563acd73bee0), [['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']])
   Call: (222) [system] _6320=[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']]
   Exit: (222) [system] [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']]=[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']]
^  Exit: (221) [user] read_list(')', (0x563acd73bee0), [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']])
^  Exit: (220) [user] cont_sexpr(')', (0x563acd73bee0), [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']])
^  Call: (220) [user] read_list(')', (0x563acd73bee0), _1077494)
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _1079352)
   Exit: (222) [system] peek_char((0x563acd73bee0), '\n')
   Call: (222) [system] '\n'=(;)
   Fail: (222) [system] '\n'=(;)
   Call: (222) [system] '\n'=(/)
   Fail: (222) [system] '\n'=(/)
^  Call: (222) [user] is_like_space('\n')
   Call: (223) [system] char_type('\n', 'white')
   Fail: (223) [system] char_type('\n', 'white')
   Call: (223) [system] char_type('\n', end_of_line)
   Exit: (223) [system] char_type('\n', end_of_line)
^  Exit: (222) [user] is_like_space('\n')
   Call: (222) [system] get_char((0x563acd73bee0), _1090802)
   Exit: (222) [system] get_char((0x563acd73bee0), '\n')
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _1093506)
   Exit: (223) [system] peek_char((0x563acd73bee0), '\t')
   Call: (223) [system] '\t'=(;)
   Fail: (223) [system] '\t'=(;)
   Call: (223) [system] '\t'=(/)
   Fail: (223) [system] '\t'=(/)
^  Call: (223) [user] is_like_space('\t')
   Call: (224) [system] char_type('\t', 'white')
   Exit: (224) [system] char_type('\t', 'white')
^  Exit: (223) [user] is_like_space('\t')
   Call: (223) [system] get_char((0x563acd73bee0), _1103100)
   Exit: (223) [system] get_char((0x563acd73bee0), '\t')
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _1105804)
   Exit: (224) [system] peek_char((0x563acd73bee0), '\t')
   Call: (224) [system] '\t'=(;)
   Fail: (224) [system] '\t'=(;)
   Call: (224) [system] '\t'=(/)
   Fail: (224) [system] '\t'=(/)
^  Call: (224) [user] is_like_space('\t')
   Call: (225) [system] char_type('\t', 'white')
   Exit: (225) [system] char_type('\t', 'white')
^  Exit: (224) [user] is_like_space('\t')
   Call: (224) [system] get_char((0x563acd73bee0), _1115398)
   Exit: (224) [system] get_char((0x563acd73bee0), '\t')
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _1118102)
   Exit: (225) [system] peek_char((0x563acd73bee0), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x563acd73bee0), _1127696)
   Exit: (225) [system] get_char((0x563acd73bee0), ' ')
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _1130400)
   Exit: (226) [system] peek_char((0x563acd73bee0), '(')
   Call: (226) [system] '('=(;)
   Fail: (226) [system] '('=(;)
   Call: (226) [system] '('=(/)
   Fail: (226) [system] '('=(/)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Fail: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Fail: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Fail: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
   Fail: (227) [system] char_type('(', cntrl)
^  Fail: (226) [user] is_like_space('(')
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _1150106)
   Exit: (221) [system] peek_char((0x563acd73bee0), '(')
   Call: (221) [system] '('=')'
   Fail: (221) [system] '('=')'
   Call: (221) [system] '('=end_of_file
   Fail: (221) [system] '('=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x563acd73bee0), _1155676)
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _1157534)
   Exit: (223) [system] peek_char((0x563acd73bee0), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
   Call: (223) [system] '('=(/)
   Fail: (223) [system] '('=(/)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] get_char((0x563acd73bee0), _1173544)
   Exit: (222) [system] get_char((0x563acd73bee0), '(')
   Call: (222) [system] '('='('
   Exit: (222) [system] '('='('
^  Call: (222) [user] read_list(')', (0x563acd73bee0), _1155676)
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _1179114)
   Exit: (224) [system] peek_char((0x563acd73bee0), :)
   Call: (224) [system] (:)=(;)
   Fail: (224) [system] (:)=(;)
   Call: (224) [system] (:)=(/)
   Fail: (224) [system] (:)=(/)
^  Call: (224) [user] is_like_space(:)
   Call: (225) [system] char_type(:, 'white')
   Fail: (225) [system] char_type(:, 'white')
   Call: (225) [system] char_type(:, end_of_line)
   Fail: (225) [system] char_type(:, end_of_line)
   Call: (225) [system] char_type(:, space)
   Fail: (225) [system] char_type(:, space)
   Call: (225) [system] char_type(:, cntrl)
   Fail: (225) [system] char_type(:, cntrl)
^  Fail: (224) [user] is_like_space(:)
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _1195124)
   Exit: (223) [system] peek_char((0x563acd73bee0), :)
   Call: (223) [system] (:)=')'
   Fail: (223) [system] (:)=')'
   Call: (223) [system] (:)=end_of_file
   Fail: (223) [system] (:)=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x563acd73bee0), _1200694)
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _1202552)
   Exit: (225) [system] peek_char((0x563acd73bee0), :)
   Call: (225) [system] (:)=(;)
   Fail: (225) [system] (:)=(;)
   Call: (225) [system] (:)=(/)
   Fail: (225) [system] (:)=(/)
^  Call: (225) [user] is_like_space(:)
   Call: (226) [system] char_type(:, 'white')
   Fail: (226) [system] char_type(:, 'white')
   Call: (226) [system] char_type(:, end_of_line)
   Fail: (226) [system] char_type(:, end_of_line)
   Call: (226) [system] char_type(:, space)
   Fail: (226) [system] char_type(:, space)
   Call: (226) [system] char_type(:, cntrl)
   Fail: (226) [system] char_type(:, cntrl)
^  Fail: (225) [user] is_like_space(:)
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] get_char((0x563acd73bee0), _1218562)
   Exit: (224) [system] get_char((0x563acd73bee0), :)
   Call: (224) [system] (:)='('
   Fail: (224) [system] (:)='('
   Call: (224) [system] (:)='['
   Fail: (224) [system] (:)='['
   Call: (224) [system] (:)='{'
   Fail: (224) [system] (:)='{'
   Call: (224) [system] (:)='"'
   Fail: (224) [system] (:)='"'
   Call: (224) [system] (:)=!
   Fail: (224) [system] (:)=!
   Call: (224) [system] (:)='\''
   Fail: (224) [system] (:)='\''
   Call: (224) [system] (:)='`'
   Fail: (224) [system] (:)='`'
   Call: (224) [system] (:)=end_of_file
   Fail: (224) [system] (:)=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x563acd73bee0), :, _1200694)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _1236204)
   Call: (226) [system] peek_char((0x563acd73bee0), _1237138)
   Exit: (226) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _1236204=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (225) [user] classify_and_convert_charseq([:], _1200694)
^  Call: (226) [user] classify_and_convert_charseq_([:], _1246422)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_1247374, _1247376), once(user:catch(read_from_chars([:], _1246422), _1247356, fail)), '$restore_trace'(_1247374, _1247376))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_1247374, _1247376))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1247356, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(:)
   Exit: (227) [system] atomic(:)
^  Exit: (226) [user] classify_and_convert_charseq_([:], :)
   Call: (226) [system] integer(:)
   Fail: (226) [system] integer(:)
   Call: (226) [system] _1200694=(:)
   Exit: (226) [system] (:)=(:)
^  Exit: (225) [user] classify_and_convert_charseq([:], :)
^  Exit: (224) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (223) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (223) [user] read_list(')', (0x563acd73bee0), _1259502)
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _1261360)
   Exit: (225) [system] peek_char((0x563acd73bee0), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x563acd73bee0), _1270954)
   Exit: (225) [system] get_char((0x563acd73bee0), ' ')
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _1273658)
   Exit: (226) [system] peek_char((0x563acd73bee0), '(')
   Call: (226) [system] '('=(;)
   Fail: (226) [system] '('=(;)
   Call: (226) [system] '('=(/)
   Fail: (226) [system] '('=(/)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Fail: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Fail: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Fail: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
   Fail: (227) [system] char_type('(', cntrl)
^  Fail: (226) [user] is_like_space('(')
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _1290592)
   Exit: (224) [system] peek_char((0x563acd73bee0), '(')
   Call: (224) [system] '('=')'
   Fail: (224) [system] '('=')'
   Call: (224) [system] '('=end_of_file
   Fail: (224) [system] '('=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x563acd73bee0), _1296162)
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _1298020)
   Exit: (226) [system] peek_char((0x563acd73bee0), '(')
   Call: (226) [system] '('=(;)
   Fail: (226) [system] '('=(;)
   Call: (226) [system] '('=(/)
   Fail: (226) [system] '('=(/)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Fail: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Fail: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Fail: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
   Fail: (227) [system] char_type('(', cntrl)
^  Fail: (226) [user] is_like_space('(')
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] get_char((0x563acd73bee0), _1314030)
   Exit: (225) [system] get_char((0x563acd73bee0), '(')
   Call: (225) [system] '('='('
   Exit: (225) [system] '('='('
^  Call: (225) [user] read_list(')', (0x563acd73bee0), _1296162)
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _1319600)
   Exit: (227) [system] peek_char((0x563acd73bee0), 'D')
   Call: (227) [system] 'D'=(;)
   Fail: (227) [system] 'D'=(;)
   Call: (227) [system] 'D'=(/)
   Fail: (227) [system] 'D'=(/)
^  Call: (227) [user] is_like_space('D')
   Call: (228) [system] char_type('D', 'white')
   Fail: (228) [system] char_type('D', 'white')
   Call: (228) [system] char_type('D', end_of_line)
   Fail: (228) [system] char_type('D', end_of_line)
   Call: (228) [system] char_type('D', space)
   Fail: (228) [system] char_type('D', space)
   Call: (228) [system] char_type('D', cntrl)
   Fail: (228) [system] char_type('D', cntrl)
^  Fail: (227) [user] is_like_space('D')
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _1335610)
   Exit: (226) [system] peek_char((0x563acd73bee0), 'D')
   Call: (226) [system] 'D'=')'
   Fail: (226) [system] 'D'=')'
   Call: (226) [system] 'D'=end_of_file
   Fail: (226) [system] 'D'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x563acd73bee0), _1341180)
^  Call: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _1343038)
   Exit: (228) [system] peek_char((0x563acd73bee0), 'D')
   Call: (228) [system] 'D'=(;)
   Fail: (228) [system] 'D'=(;)
   Call: (228) [system] 'D'=(/)
   Fail: (228) [system] 'D'=(/)
^  Call: (228) [user] is_like_space('D')
   Call: (229) [system] char_type('D', 'white')
   Fail: (229) [system] char_type('D', 'white')
   Call: (229) [system] char_type('D', end_of_line)
   Fail: (229) [system] char_type('D', end_of_line)
   Call: (229) [system] char_type('D', space)
   Fail: (229) [system] char_type('D', space)
   Call: (229) [system] char_type('D', cntrl)
   Fail: (229) [system] char_type('D', cntrl)
^  Fail: (228) [user] is_like_space('D')
^  Exit: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] get_char((0x563acd73bee0), _1359048)
   Exit: (227) [system] get_char((0x563acd73bee0), 'D')
   Call: (227) [system] 'D'='('
   Fail: (227) [system] 'D'='('
   Call: (227) [system] 'D'='['
   Fail: (227) [system] 'D'='['
   Call: (227) [system] 'D'='{'
   Fail: (227) [system] 'D'='{'
   Call: (227) [system] 'D'='"'
   Fail: (227) [system] 'D'='"'
   Call: (227) [system] 'D'=!
   Fail: (227) [system] 'D'=!
   Call: (227) [system] 'D'='\''
   Fail: (227) [system] 'D'='\''
   Call: (227) [system] 'D'='`'
   Fail: (227) [system] 'D'='`'
   Call: (227) [system] 'D'=end_of_file
   Fail: (227) [system] 'D'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x563acd73bee0), 'D', _1341180)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _1376690)
   Call: (229) [system] peek_char((0x563acd73bee0), _1377624)
   Exit: (229) [system] peek_char((0x563acd73bee0), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_1382344, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_1383276, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x563acd73bee0), i)
   Exit: (229) [system] get_char((0x563acd73bee0), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _1390626)
   Call: (230) [system] peek_char((0x563acd73bee0), _1391560)
   Exit: (230) [system] peek_char((0x563acd73bee0), s)
^  Call: (230) [user] is_delimiter(s)
   Call: (231) [system] char_type(s, space)
   Fail: (231) [system] char_type(s, space)
   Call: (231) [system] arg(_1396280, v('(', ')', end_of_file), s)
   Fail: (231) [system] arg(_1397212, v('(', ')', end_of_file), s)
^  Fail: (230) [user] is_delimiter(s)
   Call: (230) [system] ')'==s
   Fail: (230) [system] ')'==s
   Call: (230) [system] get_char((0x563acd73bee0), s)
   Exit: (230) [system] get_char((0x563acd73bee0), s)
   Call: (230) [system] s=(\)
   Fail: (230) [system] s=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _1404562)
   Call: (231) [system] peek_char((0x563acd73bee0), _1405496)
   Exit: (231) [system] peek_char((0x563acd73bee0), j)
^  Call: (231) [user] is_delimiter(j)
   Call: (232) [system] char_type(j, space)
   Fail: (232) [system] char_type(j, space)
   Call: (232) [system] arg(_1410216, v('(', ')', end_of_file), j)
   Fail: (232) [system] arg(_1411148, v('(', ')', end_of_file), j)
^  Fail: (231) [user] is_delimiter(j)
   Call: (231) [system] ')'==j
   Fail: (231) [system] ')'==j
   Call: (231) [system] get_char((0x563acd73bee0), j)
   Exit: (231) [system] get_char((0x563acd73bee0), j)
   Call: (231) [system] j=(\)
   Fail: (231) [system] j=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _1418498)
   Call: (232) [system] peek_char((0x563acd73bee0), _1419432)
   Exit: (232) [system] peek_char((0x563acd73bee0), u)
^  Call: (232) [user] is_delimiter(u)
   Call: (233) [system] char_type(u, space)
   Fail: (233) [system] char_type(u, space)
   Call: (233) [system] arg(_1424152, v('(', ')', end_of_file), u)
   Fail: (233) [system] arg(_1425084, v('(', ')', end_of_file), u)
^  Fail: (232) [user] is_delimiter(u)
   Call: (232) [system] ')'==u
   Fail: (232) [system] ')'==u
   Call: (232) [system] get_char((0x563acd73bee0), u)
   Exit: (232) [system] get_char((0x563acd73bee0), u)
   Call: (232) [system] u=(\)
   Fail: (232) [system] u=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _1432434)
   Call: (233) [system] peek_char((0x563acd73bee0), _1433368)
   Exit: (233) [system] peek_char((0x563acd73bee0), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_1438088, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_1439020, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x563acd73bee0), n)
   Exit: (233) [system] get_char((0x563acd73bee0), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), _1446370)
   Call: (234) [system] peek_char((0x563acd73bee0), _1447304)
   Exit: (234) [system] peek_char((0x563acd73bee0), c)
^  Call: (234) [user] is_delimiter(c)
   Call: (235) [system] char_type(c, space)
   Fail: (235) [system] char_type(c, space)
   Call: (235) [system] arg(_1452024, v('(', ')', end_of_file), c)
   Fail: (235) [system] arg(_1452956, v('(', ')', end_of_file), c)
^  Fail: (234) [user] is_delimiter(c)
   Call: (234) [system] ')'==c
   Fail: (234) [system] ')'==c
   Call: (234) [system] get_char((0x563acd73bee0), c)
   Exit: (234) [system] get_char((0x563acd73bee0), c)
   Call: (234) [system] c=(\)
   Fail: (234) [system] c=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), _1460306)
   Call: (235) [system] peek_char((0x563acd73bee0), _1461240)
   Exit: (235) [system] peek_char((0x563acd73bee0), t)
^  Call: (235) [user] is_delimiter(t)
   Call: (236) [system] char_type(t, space)
   Fail: (236) [system] char_type(t, space)
   Call: (236) [system] arg(_1465960, v('(', ')', end_of_file), t)
   Fail: (236) [system] arg(_1466892, v('(', ')', end_of_file), t)
^  Fail: (235) [user] is_delimiter(t)
   Call: (235) [system] ')'==t
   Fail: (235) [system] ')'==t
   Call: (235) [system] get_char((0x563acd73bee0), t)
   Exit: (235) [system] get_char((0x563acd73bee0), t)
   Call: (235) [system] t=(\)
   Fail: (235) [system] t=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), _1474242)
   Call: (236) [system] peek_char((0x563acd73bee0), _1475176)
   Exit: (236) [system] peek_char((0x563acd73bee0), i)
^  Call: (236) [user] is_delimiter(i)
   Call: (237) [system] char_type(i, space)
   Fail: (237) [system] char_type(i, space)
   Call: (237) [system] arg(_1479896, v('(', ')', end_of_file), i)
   Fail: (237) [system] arg(_1480828, v('(', ')', end_of_file), i)
^  Fail: (236) [user] is_delimiter(i)
   Call: (236) [system] ')'==i
   Fail: (236) [system] ')'==i
   Call: (236) [system] get_char((0x563acd73bee0), i)
   Exit: (236) [system] get_char((0x563acd73bee0), i)
   Call: (236) [system] i=(\)
   Fail: (236) [system] i=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), _1488178)
   Call: (237) [system] peek_char((0x563acd73bee0), _1489112)
   Exit: (237) [system] peek_char((0x563acd73bee0), o)
^  Call: (237) [user] is_delimiter(o)
   Call: (238) [system] char_type(o, space)
   Fail: (238) [system] char_type(o, space)
   Call: (238) [system] arg(_1493832, v('(', ')', end_of_file), o)
   Fail: (238) [system] arg(_1494764, v('(', ')', end_of_file), o)
^  Fail: (237) [user] is_delimiter(o)
   Call: (237) [system] ')'==o
   Fail: (237) [system] ')'==o
   Call: (237) [system] get_char((0x563acd73bee0), o)
   Exit: (237) [system] get_char((0x563acd73bee0), o)
   Call: (237) [system] o=(\)
   Fail: (237) [system] o=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), _1502114)
   Call: (238) [system] peek_char((0x563acd73bee0), _1503048)
   Exit: (238) [system] peek_char((0x563acd73bee0), n)
^  Call: (238) [user] is_delimiter(n)
   Call: (239) [system] char_type(n, space)
   Fail: (239) [system] char_type(n, space)
   Call: (239) [system] arg(_1507768, v('(', ')', end_of_file), n)
   Fail: (239) [system] arg(_1508700, v('(', ')', end_of_file), n)
^  Fail: (238) [user] is_delimiter(n)
   Call: (238) [system] ')'==n
   Fail: (238) [system] ')'==n
   Call: (238) [system] get_char((0x563acd73bee0), n)
   Exit: (238) [system] get_char((0x563acd73bee0), n)
   Call: (238) [system] n=(\)
   Fail: (238) [system] n=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x563acd73bee0), _1516050)
   Call: (239) [system] peek_char((0x563acd73bee0), _1516984)
   Exit: (239) [system] peek_char((0x563acd73bee0), 'I')
^  Call: (239) [user] is_delimiter('I')
   Call: (240) [system] char_type('I', space)
   Fail: (240) [system] char_type('I', space)
   Call: (240) [system] arg(_1521704, v('(', ')', end_of_file), 'I')
   Fail: (240) [system] arg(_1522636, v('(', ')', end_of_file), 'I')
^  Fail: (239) [user] is_delimiter('I')
   Call: (239) [system] ')'=='I'
   Fail: (239) [system] ')'=='I'
   Call: (239) [system] get_char((0x563acd73bee0), 'I')
   Exit: (239) [system] get_char((0x563acd73bee0), 'I')
   Call: (239) [system] 'I'=(\)
   Fail: (239) [system] 'I'=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x563acd73bee0), _1529986)
   Call: (240) [system] peek_char((0x563acd73bee0), _1530920)
   Exit: (240) [system] peek_char((0x563acd73bee0), n)
^  Call: (240) [user] is_delimiter(n)
   Call: (241) [system] char_type(n, space)
   Fail: (241) [system] char_type(n, space)
   Call: (241) [system] arg(_1535640, v('(', ')', end_of_file), n)
   Fail: (241) [system] arg(_1536572, v('(', ')', end_of_file), n)
^  Fail: (240) [user] is_delimiter(n)
   Call: (240) [system] ')'==n
   Fail: (240) [system] ')'==n
   Call: (240) [system] get_char((0x563acd73bee0), n)
   Exit: (240) [system] get_char((0x563acd73bee0), n)
   Call: (240) [system] n=(\)
   Fail: (240) [system] n=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x563acd73bee0), _1543922)
   Call: (241) [system] peek_char((0x563acd73bee0), _1544856)
   Exit: (241) [system] peek_char((0x563acd73bee0), t)
^  Call: (241) [user] is_delimiter(t)
   Call: (242) [system] char_type(t, space)
   Fail: (242) [system] char_type(t, space)
   Call: (242) [system] arg(_1549576, v('(', ')', end_of_file), t)
   Fail: (242) [system] arg(_1550508, v('(', ')', end_of_file), t)
^  Fail: (241) [user] is_delimiter(t)
   Call: (241) [system] ')'==t
   Fail: (241) [system] ')'==t
   Call: (241) [system] get_char((0x563acd73bee0), t)
   Exit: (241) [system] get_char((0x563acd73bee0), t)
   Call: (241) [system] t=(\)
   Fail: (241) [system] t=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x563acd73bee0), _1557858)
   Call: (242) [system] peek_char((0x563acd73bee0), _1558792)
   Exit: (242) [system] peek_char((0x563acd73bee0), r)
^  Call: (242) [user] is_delimiter(r)
   Call: (243) [system] char_type(r, space)
   Fail: (243) [system] char_type(r, space)
   Call: (243) [system] arg(_1563512, v('(', ')', end_of_file), r)
   Fail: (243) [system] arg(_1564444, v('(', ')', end_of_file), r)
^  Fail: (242) [user] is_delimiter(r)
   Call: (242) [system] ')'==r
   Fail: (242) [system] ')'==r
   Call: (242) [system] get_char((0x563acd73bee0), r)
   Exit: (242) [system] get_char((0x563acd73bee0), r)
   Call: (242) [system] r=(\)
   Fail: (242) [system] r=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x563acd73bee0), _1571794)
   Call: (243) [system] peek_char((0x563acd73bee0), _1572728)
   Exit: (243) [system] peek_char((0x563acd73bee0), o)
^  Call: (243) [user] is_delimiter(o)
   Call: (244) [system] char_type(o, space)
   Fail: (244) [system] char_type(o, space)
   Call: (244) [system] arg(_1577448, v('(', ')', end_of_file), o)
   Fail: (244) [system] arg(_1578380, v('(', ')', end_of_file), o)
^  Fail: (243) [user] is_delimiter(o)
   Call: (243) [system] ')'==o
   Fail: (243) [system] ')'==o
   Call: (243) [system] get_char((0x563acd73bee0), o)
   Exit: (243) [system] get_char((0x563acd73bee0), o)
   Call: (243) [system] o=(\)
   Fail: (243) [system] o=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x563acd73bee0), _1585730)
   Call: (244) [system] peek_char((0x563acd73bee0), _1586664)
   Exit: (244) [system] peek_char((0x563acd73bee0), d)
^  Call: (244) [user] is_delimiter(d)
   Call: (245) [system] char_type(d, space)
   Fail: (245) [system] char_type(d, space)
   Call: (245) [system] arg(_1591384, v('(', ')', end_of_file), d)
   Fail: (245) [system] arg(_1592316, v('(', ')', end_of_file), d)
^  Fail: (244) [user] is_delimiter(d)
   Call: (244) [system] ')'==d
   Fail: (244) [system] ')'==d
   Call: (244) [system] get_char((0x563acd73bee0), d)
   Exit: (244) [system] get_char((0x563acd73bee0), d)
   Call: (244) [system] d=(\)
   Fail: (244) [system] d=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x563acd73bee0), _1599666)
   Call: (245) [system] peek_char((0x563acd73bee0), _1600600)
   Exit: (245) [system] peek_char((0x563acd73bee0), u)
^  Call: (245) [user] is_delimiter(u)
   Call: (246) [system] char_type(u, space)
   Fail: (246) [system] char_type(u, space)
   Call: (246) [system] arg(_1605320, v('(', ')', end_of_file), u)
   Fail: (246) [system] arg(_1606252, v('(', ')', end_of_file), u)
^  Fail: (245) [user] is_delimiter(u)
   Call: (245) [system] ')'==u
   Fail: (245) [system] ')'==u
   Call: (245) [system] get_char((0x563acd73bee0), u)
   Exit: (245) [system] get_char((0x563acd73bee0), u)
   Call: (245) [system] u=(\)
   Fail: (245) [system] u=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x563acd73bee0), _1613602)
   Call: (246) [system] peek_char((0x563acd73bee0), _1614536)
   Exit: (246) [system] peek_char((0x563acd73bee0), c)
^  Call: (246) [user] is_delimiter(c)
   Call: (247) [system] char_type(c, space)
   Fail: (247) [system] char_type(c, space)
   Call: (247) [system] arg(_1619256, v('(', ')', end_of_file), c)
   Fail: (247) [system] arg(_1620188, v('(', ')', end_of_file), c)
^  Fail: (246) [user] is_delimiter(c)
   Call: (246) [system] ')'==c
   Fail: (246) [system] ')'==c
   Call: (246) [system] get_char((0x563acd73bee0), c)
   Exit: (246) [system] get_char((0x563acd73bee0), c)
   Call: (246) [system] c=(\)
   Fail: (246) [system] c=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x563acd73bee0), _1627538)
   Call: (247) [system] peek_char((0x563acd73bee0), _1628472)
   Exit: (247) [system] peek_char((0x563acd73bee0), t)
^  Call: (247) [user] is_delimiter(t)
   Call: (248) [system] char_type(t, space)
   Fail: (248) [system] char_type(t, space)
   Call: (248) [system] arg(_1633192, v('(', ')', end_of_file), t)
   Fail: (248) [system] arg(_1634124, v('(', ')', end_of_file), t)
^  Fail: (247) [user] is_delimiter(t)
   Call: (247) [system] ')'==t
   Fail: (247) [system] ')'==t
   Call: (247) [system] get_char((0x563acd73bee0), t)
   Exit: (247) [system] get_char((0x563acd73bee0), t)
   Call: (247) [system] t=(\)
   Fail: (247) [system] t=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x563acd73bee0), _1641474)
   Call: (248) [system] peek_char((0x563acd73bee0), _1642408)
   Exit: (248) [system] peek_char((0x563acd73bee0), i)
^  Call: (248) [user] is_delimiter(i)
   Call: (249) [system] char_type(i, space)
   Fail: (249) [system] char_type(i, space)
   Call: (249) [system] arg(_1647128, v('(', ')', end_of_file), i)
   Fail: (249) [system] arg(_1648060, v('(', ')', end_of_file), i)
^  Fail: (248) [user] is_delimiter(i)
   Call: (248) [system] ')'==i
   Fail: (248) [system] ')'==i
   Call: (248) [system] get_char((0x563acd73bee0), i)
   Exit: (248) [system] get_char((0x563acd73bee0), i)
   Call: (248) [system] i=(\)
   Fail: (248) [system] i=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x563acd73bee0), _1655410)
   Call: (249) [system] peek_char((0x563acd73bee0), _1656344)
   Exit: (249) [system] peek_char((0x563acd73bee0), o)
^  Call: (249) [user] is_delimiter(o)
   Call: (250) [system] char_type(o, space)
   Fail: (250) [system] char_type(o, space)
   Call: (250) [system] arg(_1661064, v('(', ')', end_of_file), o)
   Fail: (250) [system] arg(_1661996, v('(', ')', end_of_file), o)
^  Fail: (249) [user] is_delimiter(o)
   Call: (249) [system] ')'==o
   Fail: (249) [system] ')'==o
   Call: (249) [system] get_char((0x563acd73bee0), o)
   Exit: (249) [system] get_char((0x563acd73bee0), o)
   Call: (249) [system] o=(\)
   Fail: (249) [system] o=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x563acd73bee0), _1669346)
   Call: (250) [system] peek_char((0x563acd73bee0), _1670280)
   Exit: (250) [system] peek_char((0x563acd73bee0), n)
^  Call: (250) [user] is_delimiter(n)
   Call: (251) [system] char_type(n, space)
   Fail: (251) [system] char_type(n, space)
   Call: (251) [system] arg(_1675000, v('(', ')', end_of_file), n)
   Fail: (251) [system] arg(_1675932, v('(', ')', end_of_file), n)
^  Fail: (250) [user] is_delimiter(n)
   Call: (250) [system] ')'==n
   Fail: (250) [system] ')'==n
   Call: (250) [system] get_char((0x563acd73bee0), n)
   Exit: (250) [system] get_char((0x563acd73bee0), n)
   Call: (250) [system] n=(\)
   Fail: (250) [system] n=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x563acd73bee0), _1683282)
   Call: (251) [system] peek_char((0x563acd73bee0), _1684216)
   Exit: (251) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (251) [user] is_delimiter(' ')
   Call: (252) [system] char_type(' ', space)
   Exit: (252) [system] char_type(' ', space)
^  Exit: (251) [user] is_delimiter(' ')
   Call: (251) [system] _1683282=[]
   Exit: (251) [system] []=[]
^  Exit: (250) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (250) [system] _1669346=[n]
   Exit: (250) [system] [n]=[n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (249) [system] _1655410=[o, n]
   Exit: (249) [system] [o, n]=[o, n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (248) [system] _1641474=[i, o, n]
   Exit: (248) [system] [i, o, n]=[i, o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (247) [system] _1627538=[t, i, o, n]
   Exit: (247) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (246) [system] _1613602=[c, t, i, o, n]
   Exit: (246) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n])
   Call: (245) [system] _1599666=[u, c, t, i, o, n]
   Exit: (245) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, i, o, n])
   Call: (244) [system] _1585730=[d, u, c, t, i, o, n]
   Exit: (244) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, u, c, t, i, o, n])
   Call: (243) [system] _1571794=[o, d, u, c, t, i, o, n]
   Exit: (243) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, d, u, c, t, i, o, n])
   Call: (242) [system] _1557858=[r, o, d, u, c, t, i, o, n]
   Exit: (242) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, d, u, c, t, i, o, n])
   Call: (241) [system] _1543922=[t, r, o, d, u, c, t, i, o, n]
   Exit: (241) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, r, o, d, u, c, t, i, o, n])
   Call: (240) [system] _1529986=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (240) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (239) [system] _1516050=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x563acd73bee0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (238) [system] _1502114=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _1488178=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _1474242=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _1460306=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _1446370=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _1432434=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _1418498=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _1404562=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _1390626=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _1376690=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (228) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1341180)
^  Call: (229) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1754968)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_1755920, _1755922), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1754968), _1755902, fail)), '$restore_trace'(_1755920, _1755922))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_1755920, _1755922))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1754968), _1755902, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_1754968)
   Fail: (230) [system] atomic(_1754968)
   Call: (230) [system] atom_chars(_1754968, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (230) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (229) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (229) [system] integer('DisjunctionIntroduction')
   Fail: (229) [system] integer('DisjunctionIntroduction')
   Call: (229) [system] _1341180='DisjunctionIntroduction'
   Exit: (229) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (228) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (227) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'DisjunctionIntroduction')
^  Exit: (226) [user] cont_sexpr(')', (0x563acd73bee0), 'DisjunctionIntroduction')
^  Call: (226) [user] read_list(')', (0x563acd73bee0), _1769918)
^  Call: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _1771776)
   Exit: (228) [system] peek_char((0x563acd73bee0), ' ')
   Call: (228) [system] ' '=(;)
   Fail: (228) [system] ' '=(;)
   Call: (228) [system] ' '=(/)
   Fail: (228) [system] ' '=(/)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x563acd73bee0), _1781370)
   Exit: (228) [system] get_char((0x563acd73bee0), ' ')
^  Call: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] peek_char((0x563acd73bee0), _1784074)
   Exit: (229) [system] peek_char((0x563acd73bee0), a)
   Call: (229) [system] a=(;)
   Fail: (229) [system] a=(;)
   Call: (229) [system] a=(/)
   Fail: (229) [system] a=(/)
^  Call: (229) [user] is_like_space(a)
   Call: (230) [system] char_type(a, 'white')
   Fail: (230) [system] char_type(a, 'white')
   Call: (230) [system] char_type(a, end_of_line)
   Fail: (230) [system] char_type(a, end_of_line)
   Call: (230) [system] char_type(a, space)
   Fail: (230) [system] char_type(a, space)
   Call: (230) [system] char_type(a, cntrl)
   Fail: (230) [system] char_type(a, cntrl)
^  Fail: (229) [user] is_like_space(a)
^  Exit: (228) [user] skip_spaces((0x563acd73bee0))
^  Exit: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _1801008)
   Exit: (227) [system] peek_char((0x563acd73bee0), a)
   Call: (227) [system] a=')'
   Fail: (227) [system] a=')'
   Call: (227) [system] a=end_of_file
   Fail: (227) [system] a=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x563acd73bee0), _1806578)
^  Call: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] peek_char((0x563acd73bee0), _1808436)
   Exit: (229) [system] peek_char((0x563acd73bee0), a)
   Call: (229) [system] a=(;)
   Fail: (229) [system] a=(;)
   Call: (229) [system] a=(/)
   Fail: (229) [system] a=(/)
^  Call: (229) [user] is_like_space(a)
   Call: (230) [system] char_type(a, 'white')
   Fail: (230) [system] char_type(a, 'white')
   Call: (230) [system] char_type(a, end_of_line)
   Fail: (230) [system] char_type(a, end_of_line)
   Call: (230) [system] char_type(a, space)
   Fail: (230) [system] char_type(a, space)
   Call: (230) [system] char_type(a, cntrl)
   Fail: (230) [system] char_type(a, cntrl)
^  Fail: (229) [user] is_like_space(a)
^  Exit: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] get_char((0x563acd73bee0), _1824446)
   Exit: (228) [system] get_char((0x563acd73bee0), a)
   Call: (228) [system] a='('
   Fail: (228) [system] a='('
   Call: (228) [system] a='['
   Fail: (228) [system] a='['
   Call: (228) [system] a='{'
   Fail: (228) [system] a='{'
   Call: (228) [system] a='"'
   Fail: (228) [system] a='"'
   Call: (228) [system] a=!
   Fail: (228) [system] a=!
   Call: (228) [system] a='\''
   Fail: (228) [system] a='\''
   Call: (228) [system] a='`'
   Fail: (228) [system] a='`'
   Call: (228) [system] a=end_of_file
   Fail: (228) [system] a=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x563acd73bee0), a, _1806578)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _1842088)
   Call: (230) [system] peek_char((0x563acd73bee0), _1843022)
   Exit: (230) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _1842088=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (229) [user] classify_and_convert_charseq([a], _1806578)
^  Call: (230) [user] classify_and_convert_charseq_([a], _1852306)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_1853258, _1853260), once(user:catch(read_from_chars([a], _1852306), _1853240, fail)), '$restore_trace'(_1853258, _1853260))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_1853258, _1853260))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1853240, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(a)
   Exit: (231) [system] atomic(a)
^  Exit: (230) [user] classify_and_convert_charseq_([a], a)
   Call: (230) [system] integer(a)
   Fail: (230) [system] integer(a)
   Call: (230) [system] _1806578=a
   Exit: (230) [system] a=a
^  Exit: (229) [user] classify_and_convert_charseq([a], a)
^  Exit: (228) [user] read_symbolic(')', (0x563acd73bee0), a, a)
^  Exit: (227) [user] cont_sexpr(')', (0x563acd73bee0), a)
^  Call: (227) [user] read_list(')', (0x563acd73bee0), _1865386)
^  Call: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] peek_char((0x563acd73bee0), _1867244)
   Exit: (229) [system] peek_char((0x563acd73bee0), ' ')
   Call: (229) [system] ' '=(;)
   Fail: (229) [system] ' '=(;)
   Call: (229) [system] ' '=(/)
   Fail: (229) [system] ' '=(/)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x563acd73bee0), _1876838)
   Exit: (229) [system] get_char((0x563acd73bee0), ' ')
^  Call: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (230) [system] peek_char((0x563acd73bee0), _1879542)
   Exit: (230) [system] peek_char((0x563acd73bee0), a)
   Call: (230) [system] a=(;)
   Fail: (230) [system] a=(;)
   Call: (230) [system] a=(/)
   Fail: (230) [system] a=(/)
^  Call: (230) [user] is_like_space(a)
   Call: (231) [system] char_type(a, 'white')
   Fail: (231) [system] char_type(a, 'white')
   Call: (231) [system] char_type(a, end_of_line)
   Fail: (231) [system] char_type(a, end_of_line)
   Call: (231) [system] char_type(a, space)
   Fail: (231) [system] char_type(a, space)
   Call: (231) [system] char_type(a, cntrl)
   Fail: (231) [system] char_type(a, cntrl)
^  Fail: (230) [user] is_like_space(a)
^  Exit: (229) [user] skip_spaces((0x563acd73bee0))
^  Exit: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _1896476)
   Exit: (228) [system] peek_char((0x563acd73bee0), a)
   Call: (228) [system] a=')'
   Fail: (228) [system] a=')'
   Call: (228) [system] a=end_of_file
   Fail: (228) [system] a=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x563acd73bee0), _1902046)
^  Call: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (230) [system] peek_char((0x563acd73bee0), _1903904)
   Exit: (230) [system] peek_char((0x563acd73bee0), a)
   Call: (230) [system] a=(;)
   Fail: (230) [system] a=(;)
   Call: (230) [system] a=(/)
   Fail: (230) [system] a=(/)
^  Call: (230) [user] is_like_space(a)
   Call: (231) [system] char_type(a, 'white')
   Fail: (231) [system] char_type(a, 'white')
   Call: (231) [system] char_type(a, end_of_line)
   Fail: (231) [system] char_type(a, end_of_line)
   Call: (231) [system] char_type(a, space)
   Fail: (231) [system] char_type(a, space)
   Call: (231) [system] char_type(a, cntrl)
   Fail: (231) [system] char_type(a, cntrl)
^  Fail: (230) [user] is_like_space(a)
^  Exit: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] get_char((0x563acd73bee0), _1919914)
   Exit: (229) [system] get_char((0x563acd73bee0), a)
   Call: (229) [system] a='('
   Fail: (229) [system] a='('
   Call: (229) [system] a='['
   Fail: (229) [system] a='['
   Call: (229) [system] a='{'
   Fail: (229) [system] a='{'
   Call: (229) [system] a='"'
   Fail: (229) [system] a='"'
   Call: (229) [system] a=!
   Fail: (229) [system] a=!
   Call: (229) [system] a='\''
   Fail: (229) [system] a='\''
   Call: (229) [system] a='`'
   Fail: (229) [system] a='`'
   Call: (229) [system] a=end_of_file
   Fail: (229) [system] a=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x563acd73bee0), a, _1902046)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _1937556)
   Call: (231) [system] peek_char((0x563acd73bee0), _1938490)
   Exit: (231) [system] peek_char((0x563acd73bee0), b)
^  Call: (231) [user] is_delimiter(b)
   Call: (232) [system] char_type(b, space)
   Fail: (232) [system] char_type(b, space)
   Call: (232) [system] arg(_1943210, v('(', ')', end_of_file), b)
   Fail: (232) [system] arg(_1944142, v('(', ')', end_of_file), b)
^  Fail: (231) [user] is_delimiter(b)
   Call: (231) [system] ')'==b
   Fail: (231) [system] ')'==b
   Call: (231) [system] get_char((0x563acd73bee0), b)
   Exit: (231) [system] get_char((0x563acd73bee0), b)
   Call: (231) [system] b=(\)
   Fail: (231) [system] b=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _1951492)
   Call: (232) [system] peek_char((0x563acd73bee0), _1952426)
   Exit: (232) [system] peek_char((0x563acd73bee0), c)
^  Call: (232) [user] is_delimiter(c)
   Call: (233) [system] char_type(c, space)
   Fail: (233) [system] char_type(c, space)
   Call: (233) [system] arg(_1957146, v('(', ')', end_of_file), c)
   Fail: (233) [system] arg(_1958078, v('(', ')', end_of_file), c)
^  Fail: (232) [user] is_delimiter(c)
   Call: (232) [system] ')'==c
   Fail: (232) [system] ')'==c
   Call: (232) [system] get_char((0x563acd73bee0), c)
   Exit: (232) [system] get_char((0x563acd73bee0), c)
   Call: (232) [system] c=(\)
   Fail: (232) [system] c=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _1965428)
   Call: (233) [system] peek_char((0x563acd73bee0), _1966362)
   Exit: (233) [system] peek_char((0x563acd73bee0), ')')
^  Call: (233) [user] is_delimiter(')')
   Call: (234) [system] char_type(')', space)
   Fail: (234) [system] char_type(')', space)
   Call: (234) [system] arg(_1971082, v('(', ')', end_of_file), ')')
   Exit: (234) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (233) [user] is_delimiter(')')
   Call: (233) [system] _1965428=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (232) [system] _1951492=[c]
   Exit: (232) [system] [c]=[c]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [c])
   Call: (231) [system] _1937556=[b, c]
   Exit: (231) [system] [b, c]=[b, c]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [b, c])
^  Call: (230) [user] classify_and_convert_charseq([a, b, c], _1902046)
^  Call: (231) [user] classify_and_convert_charseq_([a, b, c], _1983106)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_1984058, _1984060), once(user:catch(read_from_chars([a, b, c], _1983106), _1984040, fail)), '$restore_trace'(_1984058, _1984060))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_1984058, _1984060))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1984040, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(abc)
   Exit: (232) [system] atomic(abc)
^  Exit: (231) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (231) [system] integer(abc)
   Fail: (231) [system] integer(abc)
   Call: (231) [system] _1902046=abc
   Exit: (231) [system] abc=abc
^  Exit: (230) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (229) [user] read_symbolic(')', (0x563acd73bee0), a, abc)
^  Exit: (228) [user] cont_sexpr(')', (0x563acd73bee0), abc)
^  Call: (228) [user] read_list(')', (0x563acd73bee0), _1996186)
^  Call: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (230) [system] peek_char((0x563acd73bee0), _1998044)
   Exit: (230) [system] peek_char((0x563acd73bee0), ')')
   Call: (230) [system] ')'=(;)
   Fail: (230) [system] ')'=(;)
   Call: (230) [system] ')'=(/)
   Fail: (230) [system] ')'=(/)
^  Call: (230) [user] is_like_space(')')
   Call: (231) [system] char_type(')', 'white')
   Fail: (231) [system] char_type(')', 'white')
   Call: (231) [system] char_type(')', end_of_line)
   Fail: (231) [system] char_type(')', end_of_line)
   Call: (231) [system] char_type(')', space)
   Fail: (231) [system] char_type(')', space)
   Call: (231) [system] char_type(')', cntrl)
   Fail: (231) [system] char_type(')', cntrl)
^  Fail: (230) [user] is_like_space(')')
^  Exit: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] peek_char((0x563acd73bee0), _2014054)
   Exit: (229) [system] peek_char((0x563acd73bee0), ')')
   Call: (229) [system] ')'=')'
   Exit: (229) [system] ')'=')'
   Call: (229) [system] get_char((0x563acd73bee0), _2017844)
   Exit: (229) [system] get_char((0x563acd73bee0), ')')
   Call: (229) [system] _1996186=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_list(')', (0x563acd73bee0), [])
   Call: (228) [system] _1865386=[abc]
   Exit: (228) [system] [abc]=[abc]
^  Exit: (227) [user] read_list(')', (0x563acd73bee0), [abc])
   Call: (227) [system] _1769918=[a, abc]
   Exit: (227) [system] [a, abc]=[a, abc]
^  Exit: (226) [user] read_list(')', (0x563acd73bee0), [a, abc])
   Call: (226) [system] _1296162=['DisjunctionIntroduction', a, abc]
   Exit: (226) [system] ['DisjunctionIntroduction', a, abc]=['DisjunctionIntroduction', a, abc]
^  Exit: (225) [user] read_list(')', (0x563acd73bee0), ['DisjunctionIntroduction', a, abc])
^  Exit: (224) [user] cont_sexpr(')', (0x563acd73bee0), ['DisjunctionIntroduction', a, abc])
^  Call: (224) [user] read_list(')', (0x563acd73bee0), _2031726)
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _2033584)
   Exit: (226) [system] peek_char((0x563acd73bee0), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x563acd73bee0), _2043178)
   Exit: (226) [system] get_char((0x563acd73bee0), ' ')
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _2045882)
   Exit: (227) [system] peek_char((0x563acd73bee0), '(')
   Call: (227) [system] '('=(;)
   Fail: (227) [system] '('=(;)
   Call: (227) [system] '('=(/)
   Fail: (227) [system] '('=(/)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Fail: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Fail: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Fail: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
   Fail: (228) [system] char_type('(', cntrl)
^  Fail: (227) [user] is_like_space('(')
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _2062816)
   Exit: (225) [system] peek_char((0x563acd73bee0), '(')
   Call: (225) [system] '('=')'
   Fail: (225) [system] '('=')'
   Call: (225) [system] '('=end_of_file
   Fail: (225) [system] '('=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x563acd73bee0), _2068386)
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _2070244)
   Exit: (227) [system] peek_char((0x563acd73bee0), '(')
   Call: (227) [system] '('=(;)
   Fail: (227) [system] '('=(;)
   Call: (227) [system] '('=(/)
   Fail: (227) [system] '('=(/)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Fail: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Fail: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Fail: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
   Fail: (228) [system] char_type('(', cntrl)
^  Fail: (227) [user] is_like_space('(')
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] get_char((0x563acd73bee0), _2086254)
   Exit: (226) [system] get_char((0x563acd73bee0), '(')
   Call: (226) [system] '('='('
   Exit: (226) [system] '('='('
^  Call: (226) [user] read_list(')', (0x563acd73bee0), _2068386)
^  Call: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _2091824)
   Exit: (228) [system] peek_char((0x563acd73bee0), 'O')
   Call: (228) [system] 'O'=(;)
   Fail: (228) [system] 'O'=(;)
   Call: (228) [system] 'O'=(/)
   Fail: (228) [system] 'O'=(/)
^  Call: (228) [user] is_like_space('O')
   Call: (229) [system] char_type('O', 'white')
   Fail: (229) [system] char_type('O', 'white')
   Call: (229) [system] char_type('O', end_of_line)
   Fail: (229) [system] char_type('O', end_of_line)
   Call: (229) [system] char_type('O', space)
   Fail: (229) [system] char_type('O', space)
   Call: (229) [system] char_type('O', cntrl)
   Fail: (229) [system] char_type('O', cntrl)
^  Fail: (228) [user] is_like_space('O')
^  Exit: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _17462)
   Exit: (227) [system] peek_char((0x563acd73bee0), 'O')
   Call: (227) [system] 'O'=')'
   Fail: (227) [system] 'O'=')'
   Call: (227) [system] 'O'=end_of_file
   Fail: (227) [system] 'O'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x563acd73bee0), _23032)
^  Call: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] peek_char((0x563acd73bee0), _24890)
   Exit: (229) [system] peek_char((0x563acd73bee0), 'O')
   Call: (229) [system] 'O'=(;)
   Fail: (229) [system] 'O'=(;)
   Call: (229) [system] 'O'=(/)
   Fail: (229) [system] 'O'=(/)
^  Call: (229) [user] is_like_space('O')
   Call: (230) [system] char_type('O', 'white')
   Fail: (230) [system] char_type('O', 'white')
   Call: (230) [system] char_type('O', end_of_line)
   Fail: (230) [system] char_type('O', end_of_line)
   Call: (230) [system] char_type('O', space)
   Fail: (230) [system] char_type('O', space)
   Call: (230) [system] char_type('O', cntrl)
   Fail: (230) [system] char_type('O', cntrl)
^  Fail: (229) [user] is_like_space('O')
^  Exit: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] get_char((0x563acd73bee0), _40900)
   Exit: (228) [system] get_char((0x563acd73bee0), 'O')
   Call: (228) [system] 'O'='('
   Fail: (228) [system] 'O'='('
   Call: (228) [system] 'O'='['
   Fail: (228) [system] 'O'='['
   Call: (228) [system] 'O'='{'
   Fail: (228) [system] 'O'='{'
   Call: (228) [system] 'O'='"'
   Fail: (228) [system] 'O'='"'
   Call: (228) [system] 'O'=!
   Fail: (228) [system] 'O'=!
   Call: (228) [system] 'O'='\''
   Fail: (228) [system] 'O'='\''
   Call: (228) [system] 'O'='`'
   Fail: (228) [system] 'O'='`'
   Call: (228) [system] 'O'=end_of_file
   Fail: (228) [system] 'O'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x563acd73bee0), 'O', _23032)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _58542)
   Call: (230) [system] peek_char((0x563acd73bee0), _59476)
   Exit: (230) [system] peek_char((0x563acd73bee0), r)
^  Call: (230) [user] is_delimiter(r)
   Call: (231) [system] char_type(r, space)
   Fail: (231) [system] char_type(r, space)
   Call: (231) [system] arg(_64196, v('(', ')', end_of_file), r)
   Fail: (231) [system] arg(_65128, v('(', ')', end_of_file), r)
^  Fail: (230) [user] is_delimiter(r)
   Call: (230) [system] ')'==r
   Fail: (230) [system] ')'==r
   Call: (230) [system] get_char((0x563acd73bee0), r)
   Exit: (230) [system] get_char((0x563acd73bee0), r)
   Call: (230) [system] r=(\)
   Fail: (230) [system] r=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _72478)
   Call: (231) [system] peek_char((0x563acd73bee0), _73412)
   Exit: (231) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (231) [user] is_delimiter('L')
   Call: (232) [system] char_type('L', space)
   Fail: (232) [system] char_type('L', space)
   Call: (232) [system] arg(_78132, v('(', ')', end_of_file), 'L')
   Fail: (232) [system] arg(_79064, v('(', ')', end_of_file), 'L')
^  Fail: (231) [user] is_delimiter('L')
   Call: (231) [system] ')'=='L'
   Fail: (231) [system] ')'=='L'
   Call: (231) [system] get_char((0x563acd73bee0), 'L')
   Exit: (231) [system] get_char((0x563acd73bee0), 'L')
   Call: (231) [system] 'L'=(\)
   Fail: (231) [system] 'L'=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _86414)
   Call: (232) [system] peek_char((0x563acd73bee0), _87348)
   Exit: (232) [system] peek_char((0x563acd73bee0), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Fail: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_92068, v('(', ')', end_of_file), i)
   Fail: (233) [system] arg(_93000, v('(', ')', end_of_file), i)
^  Fail: (232) [user] is_delimiter(i)
   Call: (232) [system] ')'==i
   Fail: (232) [system] ')'==i
   Call: (232) [system] get_char((0x563acd73bee0), i)
   Exit: (232) [system] get_char((0x563acd73bee0), i)
   Call: (232) [system] i=(\)
   Fail: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _100350)
   Call: (233) [system] peek_char((0x563acd73bee0), _101284)
   Exit: (233) [system] peek_char((0x563acd73bee0), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_106004, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_106936, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x563acd73bee0), n)
   Exit: (233) [system] get_char((0x563acd73bee0), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), _114286)
   Call: (234) [system] peek_char((0x563acd73bee0), _115220)
   Exit: (234) [system] peek_char((0x563acd73bee0), k)
^  Call: (234) [user] is_delimiter(k)
   Call: (235) [system] char_type(k, space)
   Fail: (235) [system] char_type(k, space)
   Call: (235) [system] arg(_119940, v('(', ')', end_of_file), k)
   Fail: (235) [system] arg(_120872, v('(', ')', end_of_file), k)
^  Fail: (234) [user] is_delimiter(k)
   Call: (234) [system] ')'==k
   Fail: (234) [system] ')'==k
   Call: (234) [system] get_char((0x563acd73bee0), k)
   Exit: (234) [system] get_char((0x563acd73bee0), k)
   Call: (234) [system] k=(\)
   Fail: (234) [system] k=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), _128222)
   Call: (235) [system] peek_char((0x563acd73bee0), _129156)
   Exit: (235) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (235) [user] is_delimiter(' ')
   Call: (236) [system] char_type(' ', space)
   Exit: (236) [system] char_type(' ', space)
^  Exit: (235) [user] is_delimiter(' ')
   Call: (235) [system] _128222=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (234) [system] _114286=[k]
   Exit: (234) [system] [k]=[k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (233) [system] _100350=[n, k]
   Exit: (233) [system] [n, k]=[n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (232) [system] _86414=[i, n, k]
   Exit: (232) [system] [i, n, k]=[i, n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (231) [system] _72478=['L', i, n, k]
   Exit: (231) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (230) [system] _58542=[r, 'L', i, n, k]
   Exit: (230) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (229) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _23032)
^  Call: (230) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _152410)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_153362, _153364), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _152410), _153344, fail)), '$restore_trace'(_153362, _153364))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_153362, _153364))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _152410), _153344, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_152410)
   Fail: (231) [system] atomic(_152410)
   Call: (231) [system] atom_chars(_152410, ['O', r, 'L', i, n, k])
   Exit: (231) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (230) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (230) [system] integer('OrLink')
   Fail: (230) [system] integer('OrLink')
   Call: (230) [system] _23032='OrLink'
   Exit: (230) [system] 'OrLink'='OrLink'
^  Exit: (229) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (228) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (227) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (227) [user] read_list(')', (0x563acd73bee0), _167360)
^  Call: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] peek_char((0x563acd73bee0), _169218)
   Exit: (229) [system] peek_char((0x563acd73bee0), ' ')
   Call: (229) [system] ' '=(;)
   Fail: (229) [system] ' '=(;)
   Call: (229) [system] ' '=(/)
   Fail: (229) [system] ' '=(/)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x563acd73bee0), _178812)
   Exit: (229) [system] get_char((0x563acd73bee0), ' ')
^  Call: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (230) [system] peek_char((0x563acd73bee0), _181516)
   Exit: (230) [system] peek_char((0x563acd73bee0), 'B')
   Call: (230) [system] 'B'=(;)
   Fail: (230) [system] 'B'=(;)
   Call: (230) [system] 'B'=(/)
   Fail: (230) [system] 'B'=(/)
^  Call: (230) [user] is_like_space('B')
   Call: (231) [system] char_type('B', 'white')
   Fail: (231) [system] char_type('B', 'white')
   Call: (231) [system] char_type('B', end_of_line)
   Fail: (231) [system] char_type('B', end_of_line)
   Call: (231) [system] char_type('B', space)
   Fail: (231) [system] char_type('B', space)
   Call: (231) [system] char_type('B', cntrl)
   Fail: (231) [system] char_type('B', cntrl)
^  Fail: (230) [user] is_like_space('B')
^  Exit: (229) [user] skip_spaces((0x563acd73bee0))
^  Exit: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _198450)
   Exit: (228) [system] peek_char((0x563acd73bee0), 'B')
   Call: (228) [system] 'B'=')'
   Fail: (228) [system] 'B'=')'
   Call: (228) [system] 'B'=end_of_file
   Fail: (228) [system] 'B'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x563acd73bee0), _204020)
^  Call: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (230) [system] peek_char((0x563acd73bee0), _205878)
   Exit: (230) [system] peek_char((0x563acd73bee0), 'B')
   Call: (230) [system] 'B'=(;)
   Fail: (230) [system] 'B'=(;)
   Call: (230) [system] 'B'=(/)
   Fail: (230) [system] 'B'=(/)
^  Call: (230) [user] is_like_space('B')
   Call: (231) [system] char_type('B', 'white')
   Fail: (231) [system] char_type('B', 'white')
   Call: (231) [system] char_type('B', end_of_line)
   Fail: (231) [system] char_type('B', end_of_line)
   Call: (231) [system] char_type('B', space)
   Fail: (231) [system] char_type('B', space)
   Call: (231) [system] char_type('B', cntrl)
   Fail: (231) [system] char_type('B', cntrl)
^  Fail: (230) [user] is_like_space('B')
^  Exit: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] get_char((0x563acd73bee0), _221888)
   Exit: (229) [system] get_char((0x563acd73bee0), 'B')
   Call: (229) [system] 'B'='('
   Fail: (229) [system] 'B'='('
   Call: (229) [system] 'B'='['
   Fail: (229) [system] 'B'='['
   Call: (229) [system] 'B'='{'
   Fail: (229) [system] 'B'='{'
   Call: (229) [system] 'B'='"'
   Fail: (229) [system] 'B'='"'
   Call: (229) [system] 'B'=!
   Fail: (229) [system] 'B'=!
   Call: (229) [system] 'B'='\''
   Fail: (229) [system] 'B'='\''
   Call: (229) [system] 'B'='`'
   Fail: (229) [system] 'B'='`'
   Call: (229) [system] 'B'=end_of_file
   Fail: (229) [system] 'B'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x563acd73bee0), 'B', _204020)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _239530)
   Call: (231) [system] peek_char((0x563acd73bee0), _240464)
   Exit: (231) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _239530=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (230) [user] classify_and_convert_charseq(['B'], _204020)
^  Call: (231) [user] classify_and_convert_charseq_(['B'], _249748)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_250700, _250702), once(user:catch(read_from_chars(['B'], _249748), _250682, fail)), '$restore_trace'(_250700, _250702))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_250700, _250702))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _249748), _250682, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_249748)
   Fail: (232) [system] atomic(_249748)
   Call: (232) [system] atom_chars(_249748, ['B'])
   Exit: (232) [system] atom_chars('B', ['B'])
^  Exit: (231) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (231) [system] integer('B')
   Fail: (231) [system] integer('B')
   Call: (231) [system] _204020='B'
   Exit: (231) [system] 'B'='B'
^  Exit: (230) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (229) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (228) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (228) [user] read_list(')', (0x563acd73bee0), _264698)
^  Call: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (230) [system] peek_char((0x563acd73bee0), _266556)
   Exit: (230) [system] peek_char((0x563acd73bee0), ' ')
   Call: (230) [system] ' '=(;)
   Fail: (230) [system] ' '=(;)
   Call: (230) [system] ' '=(/)
   Fail: (230) [system] ' '=(/)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x563acd73bee0), _276150)
   Exit: (230) [system] get_char((0x563acd73bee0), ' ')
^  Call: (230) [user] skip_spaces((0x563acd73bee0))
   Call: (231) [system] peek_char((0x563acd73bee0), _278854)
   Exit: (231) [system] peek_char((0x563acd73bee0), '(')
   Call: (231) [system] '('=(;)
   Fail: (231) [system] '('=(;)
   Call: (231) [system] '('=(/)
   Fail: (231) [system] '('=(/)
^  Call: (231) [user] is_like_space('(')
   Call: (232) [system] char_type('(', 'white')
   Fail: (232) [system] char_type('(', 'white')
   Call: (232) [system] char_type('(', end_of_line)
   Fail: (232) [system] char_type('(', end_of_line)
   Call: (232) [system] char_type('(', space)
   Fail: (232) [system] char_type('(', space)
   Call: (232) [system] char_type('(', cntrl)
   Fail: (232) [system] char_type('(', cntrl)
^  Fail: (231) [user] is_like_space('(')
^  Exit: (230) [user] skip_spaces((0x563acd73bee0))
^  Exit: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] peek_char((0x563acd73bee0), _295788)
   Exit: (229) [system] peek_char((0x563acd73bee0), '(')
   Call: (229) [system] '('=')'
   Fail: (229) [system] '('=')'
   Call: (229) [system] '('=end_of_file
   Fail: (229) [system] '('=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x563acd73bee0), _301358)
^  Call: (230) [user] skip_spaces((0x563acd73bee0))
   Call: (231) [system] peek_char((0x563acd73bee0), _303216)
   Exit: (231) [system] peek_char((0x563acd73bee0), '(')
   Call: (231) [system] '('=(;)
   Fail: (231) [system] '('=(;)
   Call: (231) [system] '('=(/)
   Fail: (231) [system] '('=(/)
^  Call: (231) [user] is_like_space('(')
   Call: (232) [system] char_type('(', 'white')
   Fail: (232) [system] char_type('(', 'white')
   Call: (232) [system] char_type('(', end_of_line)
   Fail: (232) [system] char_type('(', end_of_line)
   Call: (232) [system] char_type('(', space)
   Fail: (232) [system] char_type('(', space)
   Call: (232) [system] char_type('(', cntrl)
   Fail: (232) [system] char_type('(', cntrl)
^  Fail: (231) [user] is_like_space('(')
^  Exit: (230) [user] skip_spaces((0x563acd73bee0))
   Call: (230) [system] get_char((0x563acd73bee0), _319226)
   Exit: (230) [system] get_char((0x563acd73bee0), '(')
   Call: (230) [system] '('='('
   Exit: (230) [system] '('='('
^  Call: (230) [user] read_list(')', (0x563acd73bee0), _301358)
^  Call: (231) [user] skip_spaces((0x563acd73bee0))
   Call: (232) [system] peek_char((0x563acd73bee0), _324796)
   Exit: (232) [system] peek_char((0x563acd73bee0), 'I')
   Call: (232) [system] 'I'=(;)
   Fail: (232) [system] 'I'=(;)
   Call: (232) [system] 'I'=(/)
   Fail: (232) [system] 'I'=(/)
^  Call: (232) [user] is_like_space('I')
   Call: (233) [system] char_type('I', 'white')
   Fail: (233) [system] char_type('I', 'white')
   Call: (233) [system] char_type('I', end_of_line)
   Fail: (233) [system] char_type('I', end_of_line)
   Call: (233) [system] char_type('I', space)
   Fail: (233) [system] char_type('I', space)
   Call: (233) [system] char_type('I', cntrl)
   Fail: (233) [system] char_type('I', cntrl)
^  Fail: (232) [user] is_like_space('I')
^  Exit: (231) [user] skip_spaces((0x563acd73bee0))
   Call: (231) [system] peek_char((0x563acd73bee0), _340806)
   Exit: (231) [system] peek_char((0x563acd73bee0), 'I')
   Call: (231) [system] 'I'=')'
   Fail: (231) [system] 'I'=')'
   Call: (231) [system] 'I'=end_of_file
   Fail: (231) [system] 'I'=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x563acd73bee0), _346376)
^  Call: (232) [user] skip_spaces((0x563acd73bee0))
   Call: (233) [system] peek_char((0x563acd73bee0), _348234)
   Exit: (233) [system] peek_char((0x563acd73bee0), 'I')
   Call: (233) [system] 'I'=(;)
   Fail: (233) [system] 'I'=(;)
   Call: (233) [system] 'I'=(/)
   Fail: (233) [system] 'I'=(/)
^  Call: (233) [user] is_like_space('I')
   Call: (234) [system] char_type('I', 'white')
   Fail: (234) [system] char_type('I', 'white')
   Call: (234) [system] char_type('I', end_of_line)
   Fail: (234) [system] char_type('I', end_of_line)
   Call: (234) [system] char_type('I', space)
   Fail: (234) [system] char_type('I', space)
   Call: (234) [system] char_type('I', cntrl)
   Fail: (234) [system] char_type('I', cntrl)
^  Fail: (233) [user] is_like_space('I')
^  Exit: (232) [user] skip_spaces((0x563acd73bee0))
   Call: (232) [system] get_char((0x563acd73bee0), _364244)
   Exit: (232) [system] get_char((0x563acd73bee0), 'I')
   Call: (232) [system] 'I'='('
   Fail: (232) [system] 'I'='('
   Call: (232) [system] 'I'='['
   Fail: (232) [system] 'I'='['
   Call: (232) [system] 'I'='{'
   Fail: (232) [system] 'I'='{'
   Call: (232) [system] 'I'='"'
   Fail: (232) [system] 'I'='"'
   Call: (232) [system] 'I'=!
   Fail: (232) [system] 'I'=!
   Call: (232) [system] 'I'='\''
   Fail: (232) [system] 'I'='\''
   Call: (232) [system] 'I'='`'
   Fail: (232) [system] 'I'='`'
   Call: (232) [system] 'I'=end_of_file
   Fail: (232) [system] 'I'=end_of_file
^  Call: (232) [user] read_symbolic(')', (0x563acd73bee0), 'I', _346376)
^  Call: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), _381886)
   Call: (234) [system] peek_char((0x563acd73bee0), _382820)
   Exit: (234) [system] peek_char((0x563acd73bee0), m)
^  Call: (234) [user] is_delimiter(m)
   Call: (235) [system] char_type(m, space)
   Fail: (235) [system] char_type(m, space)
   Call: (235) [system] arg(_387540, v('(', ')', end_of_file), m)
   Fail: (235) [system] arg(_388472, v('(', ')', end_of_file), m)
^  Fail: (234) [user] is_delimiter(m)
   Call: (234) [system] ')'==m
   Fail: (234) [system] ')'==m
   Call: (234) [system] get_char((0x563acd73bee0), m)
   Exit: (234) [system] get_char((0x563acd73bee0), m)
   Call: (234) [system] m=(\)
   Fail: (234) [system] m=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), _395822)
   Call: (235) [system] peek_char((0x563acd73bee0), _396756)
   Exit: (235) [system] peek_char((0x563acd73bee0), p)
^  Call: (235) [user] is_delimiter(p)
   Call: (236) [system] char_type(p, space)
   Fail: (236) [system] char_type(p, space)
   Call: (236) [system] arg(_401476, v('(', ')', end_of_file), p)
   Fail: (236) [system] arg(_402408, v('(', ')', end_of_file), p)
^  Fail: (235) [user] is_delimiter(p)
   Call: (235) [system] ')'==p
   Fail: (235) [system] ')'==p
   Call: (235) [system] get_char((0x563acd73bee0), p)
   Exit: (235) [system] get_char((0x563acd73bee0), p)
   Call: (235) [system] p=(\)
   Fail: (235) [system] p=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), _409758)
   Call: (236) [system] peek_char((0x563acd73bee0), _410692)
   Exit: (236) [system] peek_char((0x563acd73bee0), l)
^  Call: (236) [user] is_delimiter(l)
   Call: (237) [system] char_type(l, space)
   Fail: (237) [system] char_type(l, space)
   Call: (237) [system] arg(_415412, v('(', ')', end_of_file), l)
   Fail: (237) [system] arg(_416344, v('(', ')', end_of_file), l)
^  Fail: (236) [user] is_delimiter(l)
   Call: (236) [system] ')'==l
   Fail: (236) [system] ')'==l
   Call: (236) [system] get_char((0x563acd73bee0), l)
   Exit: (236) [system] get_char((0x563acd73bee0), l)
   Call: (236) [system] l=(\)
   Fail: (236) [system] l=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), _423694)
   Call: (237) [system] peek_char((0x563acd73bee0), _424628)
   Exit: (237) [system] peek_char((0x563acd73bee0), i)
^  Call: (237) [user] is_delimiter(i)
   Call: (238) [system] char_type(i, space)
   Fail: (238) [system] char_type(i, space)
   Call: (238) [system] arg(_429348, v('(', ')', end_of_file), i)
   Fail: (238) [system] arg(_430280, v('(', ')', end_of_file), i)
^  Fail: (237) [user] is_delimiter(i)
   Call: (237) [system] ')'==i
   Fail: (237) [system] ')'==i
   Call: (237) [system] get_char((0x563acd73bee0), i)
   Exit: (237) [system] get_char((0x563acd73bee0), i)
   Call: (237) [system] i=(\)
   Fail: (237) [system] i=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), _437630)
   Call: (238) [system] peek_char((0x563acd73bee0), _438564)
   Exit: (238) [system] peek_char((0x563acd73bee0), c)
^  Call: (238) [user] is_delimiter(c)
   Call: (239) [system] char_type(c, space)
   Fail: (239) [system] char_type(c, space)
   Call: (239) [system] arg(_443284, v('(', ')', end_of_file), c)
   Fail: (239) [system] arg(_444216, v('(', ')', end_of_file), c)
^  Fail: (238) [user] is_delimiter(c)
   Call: (238) [system] ')'==c
   Fail: (238) [system] ')'==c
   Call: (238) [system] get_char((0x563acd73bee0), c)
   Exit: (238) [system] get_char((0x563acd73bee0), c)
   Call: (238) [system] c=(\)
   Fail: (238) [system] c=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x563acd73bee0), _451566)
   Call: (239) [system] peek_char((0x563acd73bee0), _452500)
   Exit: (239) [system] peek_char((0x563acd73bee0), a)
^  Call: (239) [user] is_delimiter(a)
   Call: (240) [system] char_type(a, space)
   Fail: (240) [system] char_type(a, space)
   Call: (240) [system] arg(_457220, v('(', ')', end_of_file), a)
   Fail: (240) [system] arg(_458152, v('(', ')', end_of_file), a)
^  Fail: (239) [user] is_delimiter(a)
   Call: (239) [system] ')'==a
   Fail: (239) [system] ')'==a
   Call: (239) [system] get_char((0x563acd73bee0), a)
   Exit: (239) [system] get_char((0x563acd73bee0), a)
   Call: (239) [system] a=(\)
   Fail: (239) [system] a=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x563acd73bee0), _465502)
   Call: (240) [system] peek_char((0x563acd73bee0), _466436)
   Exit: (240) [system] peek_char((0x563acd73bee0), t)
^  Call: (240) [user] is_delimiter(t)
   Call: (241) [system] char_type(t, space)
   Fail: (241) [system] char_type(t, space)
   Call: (241) [system] arg(_471156, v('(', ')', end_of_file), t)
   Fail: (241) [system] arg(_472088, v('(', ')', end_of_file), t)
^  Fail: (240) [user] is_delimiter(t)
   Call: (240) [system] ')'==t
   Fail: (240) [system] ')'==t
   Call: (240) [system] get_char((0x563acd73bee0), t)
   Exit: (240) [system] get_char((0x563acd73bee0), t)
   Call: (240) [system] t=(\)
   Fail: (240) [system] t=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x563acd73bee0), _479438)
   Call: (241) [system] peek_char((0x563acd73bee0), _480372)
   Exit: (241) [system] peek_char((0x563acd73bee0), i)
^  Call: (241) [user] is_delimiter(i)
   Call: (242) [system] char_type(i, space)
   Fail: (242) [system] char_type(i, space)
   Call: (242) [system] arg(_485092, v('(', ')', end_of_file), i)
   Fail: (242) [system] arg(_486024, v('(', ')', end_of_file), i)
^  Fail: (241) [user] is_delimiter(i)
   Call: (241) [system] ')'==i
   Fail: (241) [system] ')'==i
   Call: (241) [system] get_char((0x563acd73bee0), i)
   Exit: (241) [system] get_char((0x563acd73bee0), i)
   Call: (241) [system] i=(\)
   Fail: (241) [system] i=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x563acd73bee0), _493374)
   Call: (242) [system] peek_char((0x563acd73bee0), _494308)
   Exit: (242) [system] peek_char((0x563acd73bee0), o)
^  Call: (242) [user] is_delimiter(o)
   Call: (243) [system] char_type(o, space)
   Fail: (243) [system] char_type(o, space)
   Call: (243) [system] arg(_499028, v('(', ')', end_of_file), o)
   Fail: (243) [system] arg(_499960, v('(', ')', end_of_file), o)
^  Fail: (242) [user] is_delimiter(o)
   Call: (242) [system] ')'==o
   Fail: (242) [system] ')'==o
   Call: (242) [system] get_char((0x563acd73bee0), o)
   Exit: (242) [system] get_char((0x563acd73bee0), o)
   Call: (242) [system] o=(\)
   Fail: (242) [system] o=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x563acd73bee0), _507310)
   Call: (243) [system] peek_char((0x563acd73bee0), _508244)
   Exit: (243) [system] peek_char((0x563acd73bee0), n)
^  Call: (243) [user] is_delimiter(n)
   Call: (244) [system] char_type(n, space)
   Fail: (244) [system] char_type(n, space)
   Call: (244) [system] arg(_512964, v('(', ')', end_of_file), n)
   Fail: (244) [system] arg(_513896, v('(', ')', end_of_file), n)
^  Fail: (243) [user] is_delimiter(n)
   Call: (243) [system] ')'==n
   Fail: (243) [system] ')'==n
   Call: (243) [system] get_char((0x563acd73bee0), n)
   Exit: (243) [system] get_char((0x563acd73bee0), n)
   Call: (243) [system] n=(\)
   Fail: (243) [system] n=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x563acd73bee0), _521246)
   Call: (244) [system] peek_char((0x563acd73bee0), _522180)
   Exit: (244) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (244) [user] is_delimiter(' ')
   Call: (245) [system] char_type(' ', space)
   Exit: (245) [system] char_type(' ', space)
^  Exit: (244) [user] is_delimiter(' ')
   Call: (244) [system] _521246=[]
   Exit: (244) [system] []=[]
^  Exit: (243) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (243) [system] _507310=[n]
   Exit: (243) [system] [n]=[n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (242) [system] _493374=[o, n]
   Exit: (242) [system] [o, n]=[o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (241) [system] _479438=[i, o, n]
   Exit: (241) [system] [i, o, n]=[i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (240) [system] _465502=[t, i, o, n]
   Exit: (240) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (239) [system] _451566=[a, t, i, o, n]
   Exit: (239) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (238) [system] _437630=[c, a, t, i, o, n]
   Exit: (238) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (237) [system] _423694=[i, c, a, t, i, o, n]
   Exit: (237) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (236) [system] _409758=[l, i, c, a, t, i, o, n]
   Exit: (236) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (235) [system] _395822=[p, l, i, c, a, t, i, o, n]
   Exit: (235) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (234) [system] _381886=[m, p, l, i, c, a, t, i, o, n]
   Exit: (234) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (233) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _346376)
^  Call: (234) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _559404)
^  Call: (236) [system] setup_call_cleanup('$notrace'(_560356, _560358), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _559404), _560338, fail)), '$restore_trace'(_560356, _560358))
^  Call: (237) [system] sig_atomic(system:'$notrace'(_560356, _560358))
^  Exit: (236) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _559404), _560338, fail)), system:'$restore_trace'(3, -1))
   Call: (235) [system] atomic(_559404)
   Fail: (235) [system] atomic(_559404)
   Call: (235) [system] atom_chars(_559404, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (235) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (234) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (234) [system] integer('Implication')
   Fail: (234) [system] integer('Implication')
   Call: (234) [system] _346376='Implication'
   Exit: (234) [system] 'Implication'='Implication'
^  Exit: (233) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (232) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (231) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (231) [user] read_list(')', (0x563acd73bee0), _574354)
^  Call: (232) [user] skip_spaces((0x563acd73bee0))
   Call: (233) [system] peek_char((0x563acd73bee0), _576212)
   Exit: (233) [system] peek_char((0x563acd73bee0), ' ')
   Call: (233) [system] ' '=(;)
   Fail: (233) [system] ' '=(;)
   Call: (233) [system] ' '=(/)
   Fail: (233) [system] ' '=(/)
^  Call: (233) [user] is_like_space(' ')
   Call: (234) [system] char_type(' ', 'white')
   Exit: (234) [system] char_type(' ', 'white')
^  Exit: (233) [user] is_like_space(' ')
   Call: (233) [system] get_char((0x563acd73bee0), _585806)
   Exit: (233) [system] get_char((0x563acd73bee0), ' ')
^  Call: (233) [user] skip_spaces((0x563acd73bee0))
   Call: (234) [system] peek_char((0x563acd73bee0), _588510)
   Exit: (234) [system] peek_char((0x563acd73bee0), '(')
   Call: (234) [system] '('=(;)
   Fail: (234) [system] '('=(;)
   Call: (234) [system] '('=(/)
   Fail: (234) [system] '('=(/)
^  Call: (234) [user] is_like_space('(')
   Call: (235) [system] char_type('(', 'white')
   Fail: (235) [system] char_type('(', 'white')
   Call: (235) [system] char_type('(', end_of_line)
   Fail: (235) [system] char_type('(', end_of_line)
   Call: (235) [system] char_type('(', space)
   Fail: (235) [system] char_type('(', space)
   Call: (235) [system] char_type('(', cntrl)
   Fail: (235) [system] char_type('(', cntrl)
^  Fail: (234) [user] is_like_space('(')
^  Exit: (233) [user] skip_spaces((0x563acd73bee0))
^  Exit: (232) [user] skip_spaces((0x563acd73bee0))
   Call: (232) [system] peek_char((0x563acd73bee0), _605444)
   Exit: (232) [system] peek_char((0x563acd73bee0), '(')
   Call: (232) [system] '('=')'
   Fail: (232) [system] '('=')'
   Call: (232) [system] '('=end_of_file
   Fail: (232) [system] '('=end_of_file
^  Call: (232) [user] cont_sexpr(')', (0x563acd73bee0), _611014)
^  Call: (233) [user] skip_spaces((0x563acd73bee0))
   Call: (234) [system] peek_char((0x563acd73bee0), _612872)
   Exit: (234) [system] peek_char((0x563acd73bee0), '(')
   Call: (234) [system] '('=(;)
   Fail: (234) [system] '('=(;)
   Call: (234) [system] '('=(/)
   Fail: (234) [system] '('=(/)
^  Call: (234) [user] is_like_space('(')
   Call: (235) [system] char_type('(', 'white')
   Fail: (235) [system] char_type('(', 'white')
   Call: (235) [system] char_type('(', end_of_line)
   Fail: (235) [system] char_type('(', end_of_line)
   Call: (235) [system] char_type('(', space)
   Fail: (235) [system] char_type('(', space)
   Call: (235) [system] char_type('(', cntrl)
   Fail: (235) [system] char_type('(', cntrl)
^  Fail: (234) [user] is_like_space('(')
^  Exit: (233) [user] skip_spaces((0x563acd73bee0))
   Call: (233) [system] get_char((0x563acd73bee0), _628882)
   Exit: (233) [system] get_char((0x563acd73bee0), '(')
   Call: (233) [system] '('='('
   Exit: (233) [system] '('='('
^  Call: (233) [user] read_list(')', (0x563acd73bee0), _611014)
^  Call: (234) [user] skip_spaces((0x563acd73bee0))
   Call: (235) [system] peek_char((0x563acd73bee0), _634452)
   Exit: (235) [system] peek_char((0x563acd73bee0), 'A')
   Call: (235) [system] 'A'=(;)
   Fail: (235) [system] 'A'=(;)
   Call: (235) [system] 'A'=(/)
   Fail: (235) [system] 'A'=(/)
^  Call: (235) [user] is_like_space('A')
   Call: (236) [system] char_type('A', 'white')
   Fail: (236) [system] char_type('A', 'white')
   Call: (236) [system] char_type('A', end_of_line)
   Fail: (236) [system] char_type('A', end_of_line)
   Call: (236) [system] char_type('A', space)
   Fail: (236) [system] char_type('A', space)
   Call: (236) [system] char_type('A', cntrl)
   Fail: (236) [system] char_type('A', cntrl)
^  Fail: (235) [user] is_like_space('A')
^  Exit: (234) [user] skip_spaces((0x563acd73bee0))
   Call: (234) [system] peek_char((0x563acd73bee0), _650462)
   Exit: (234) [system] peek_char((0x563acd73bee0), 'A')
   Call: (234) [system] 'A'=')'
   Fail: (234) [system] 'A'=')'
   Call: (234) [system] 'A'=end_of_file
   Fail: (234) [system] 'A'=end_of_file
^  Call: (234) [user] cont_sexpr(')', (0x563acd73bee0), _656032)
^  Call: (235) [user] skip_spaces((0x563acd73bee0))
   Call: (236) [system] peek_char((0x563acd73bee0), _657890)
   Exit: (236) [system] peek_char((0x563acd73bee0), 'A')
   Call: (236) [system] 'A'=(;)
   Fail: (236) [system] 'A'=(;)
   Call: (236) [system] 'A'=(/)
   Fail: (236) [system] 'A'=(/)
^  Call: (236) [user] is_like_space('A')
   Call: (237) [system] char_type('A', 'white')
   Fail: (237) [system] char_type('A', 'white')
   Call: (237) [system] char_type('A', end_of_line)
   Fail: (237) [system] char_type('A', end_of_line)
   Call: (237) [system] char_type('A', space)
   Fail: (237) [system] char_type('A', space)
   Call: (237) [system] char_type('A', cntrl)
   Fail: (237) [system] char_type('A', cntrl)
^  Fail: (236) [user] is_like_space('A')
^  Exit: (235) [user] skip_spaces((0x563acd73bee0))
   Call: (235) [system] get_char((0x563acd73bee0), _673900)
   Exit: (235) [system] get_char((0x563acd73bee0), 'A')
   Call: (235) [system] 'A'='('
   Fail: (235) [system] 'A'='('
   Call: (235) [system] 'A'='['
   Fail: (235) [system] 'A'='['
   Call: (235) [system] 'A'='{'
   Fail: (235) [system] 'A'='{'
   Call: (235) [system] 'A'='"'
   Fail: (235) [system] 'A'='"'
   Call: (235) [system] 'A'=!
   Fail: (235) [system] 'A'=!
   Call: (235) [system] 'A'='\''
   Fail: (235) [system] 'A'='\''
   Call: (235) [system] 'A'='`'
   Fail: (235) [system] 'A'='`'
   Call: (235) [system] 'A'=end_of_file
   Fail: (235) [system] 'A'=end_of_file
^  Call: (235) [user] read_symbolic(')', (0x563acd73bee0), 'A', _656032)
^  Call: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), _691542)
   Call: (237) [system] peek_char((0x563acd73bee0), _692476)
   Exit: (237) [system] peek_char((0x563acd73bee0), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Fail: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_697196, v('(', ')', end_of_file), n)
   Fail: (238) [system] arg(_698128, v('(', ')', end_of_file), n)
^  Fail: (237) [user] is_delimiter(n)
   Call: (237) [system] ')'==n
   Fail: (237) [system] ')'==n
   Call: (237) [system] get_char((0x563acd73bee0), n)
   Exit: (237) [system] get_char((0x563acd73bee0), n)
   Call: (237) [system] n=(\)
   Fail: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), _705478)
   Call: (238) [system] peek_char((0x563acd73bee0), _706412)
   Exit: (238) [system] peek_char((0x563acd73bee0), d)
^  Call: (238) [user] is_delimiter(d)
   Call: (239) [system] char_type(d, space)
   Fail: (239) [system] char_type(d, space)
   Call: (239) [system] arg(_711132, v('(', ')', end_of_file), d)
   Fail: (239) [system] arg(_712064, v('(', ')', end_of_file), d)
^  Fail: (238) [user] is_delimiter(d)
   Call: (238) [system] ')'==d
   Fail: (238) [system] ')'==d
   Call: (238) [system] get_char((0x563acd73bee0), d)
   Exit: (238) [system] get_char((0x563acd73bee0), d)
   Call: (238) [system] d=(\)
   Fail: (238) [system] d=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x563acd73bee0), _719414)
   Call: (239) [system] peek_char((0x563acd73bee0), _720348)
   Exit: (239) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (239) [user] is_delimiter('L')
   Call: (240) [system] char_type('L', space)
   Fail: (240) [system] char_type('L', space)
   Call: (240) [system] arg(_725068, v('(', ')', end_of_file), 'L')
   Fail: (240) [system] arg(_726000, v('(', ')', end_of_file), 'L')
^  Fail: (239) [user] is_delimiter('L')
   Call: (239) [system] ')'=='L'
   Fail: (239) [system] ')'=='L'
   Call: (239) [system] get_char((0x563acd73bee0), 'L')
   Exit: (239) [system] get_char((0x563acd73bee0), 'L')
   Call: (239) [system] 'L'=(\)
   Fail: (239) [system] 'L'=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x563acd73bee0), _733350)
   Call: (240) [system] peek_char((0x563acd73bee0), _734284)
   Exit: (240) [system] peek_char((0x563acd73bee0), i)
^  Call: (240) [user] is_delimiter(i)
   Call: (241) [system] char_type(i, space)
   Fail: (241) [system] char_type(i, space)
   Call: (241) [system] arg(_739004, v('(', ')', end_of_file), i)
   Fail: (241) [system] arg(_739936, v('(', ')', end_of_file), i)
^  Fail: (240) [user] is_delimiter(i)
   Call: (240) [system] ')'==i
   Fail: (240) [system] ')'==i
   Call: (240) [system] get_char((0x563acd73bee0), i)
   Exit: (240) [system] get_char((0x563acd73bee0), i)
   Call: (240) [system] i=(\)
   Fail: (240) [system] i=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x563acd73bee0), _747286)
   Call: (241) [system] peek_char((0x563acd73bee0), _748220)
   Exit: (241) [system] peek_char((0x563acd73bee0), n)
^  Call: (241) [user] is_delimiter(n)
   Call: (242) [system] char_type(n, space)
   Fail: (242) [system] char_type(n, space)
   Call: (242) [system] arg(_752940, v('(', ')', end_of_file), n)
   Fail: (242) [system] arg(_753872, v('(', ')', end_of_file), n)
^  Fail: (241) [user] is_delimiter(n)
   Call: (241) [system] ')'==n
   Fail: (241) [system] ')'==n
   Call: (241) [system] get_char((0x563acd73bee0), n)
   Exit: (241) [system] get_char((0x563acd73bee0), n)
   Call: (241) [system] n=(\)
   Fail: (241) [system] n=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x563acd73bee0), _761222)
   Call: (242) [system] peek_char((0x563acd73bee0), _762156)
   Exit: (242) [system] peek_char((0x563acd73bee0), k)
^  Call: (242) [user] is_delimiter(k)
   Call: (243) [system] char_type(k, space)
   Fail: (243) [system] char_type(k, space)
   Call: (243) [system] arg(_766876, v('(', ')', end_of_file), k)
   Fail: (243) [system] arg(_767808, v('(', ')', end_of_file), k)
^  Fail: (242) [user] is_delimiter(k)
   Call: (242) [system] ')'==k
   Fail: (242) [system] ')'==k
   Call: (242) [system] get_char((0x563acd73bee0), k)
   Exit: (242) [system] get_char((0x563acd73bee0), k)
   Call: (242) [system] k=(\)
   Fail: (242) [system] k=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x563acd73bee0), _775158)
   Call: (243) [system] peek_char((0x563acd73bee0), _776092)
   Exit: (243) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (243) [user] is_delimiter(' ')
   Call: (244) [system] char_type(' ', space)
   Exit: (244) [system] char_type(' ', space)
^  Exit: (243) [user] is_delimiter(' ')
   Call: (243) [system] _775158=[]
   Exit: (243) [system] []=[]
^  Exit: (242) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (242) [system] _761222=[k]
   Exit: (242) [system] [k]=[k]
^  Exit: (241) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (241) [system] _747286=[n, k]
   Exit: (241) [system] [n, k]=[n, k]
^  Exit: (240) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (240) [system] _733350=[i, n, k]
   Exit: (240) [system] [i, n, k]=[i, n, k]
^  Exit: (239) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (239) [system] _719414=['L', i, n, k]
   Exit: (239) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (238) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (238) [system] _705478=[d, 'L', i, n, k]
   Exit: (238) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, 'L', i, n, k])
   Call: (237) [system] _691542=[n, d, 'L', i, n, k]
   Exit: (237) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, d, 'L', i, n, k])
^  Call: (236) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _656032)
^  Call: (237) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _802140)
^  Call: (239) [system] setup_call_cleanup('$notrace'(_803092, _803094), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _802140), _803074, fail)), '$restore_trace'(_803092, _803094))
^  Call: (240) [system] sig_atomic(system:'$notrace'(_803092, _803094))
^  Exit: (239) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _802140), _803074, fail)), system:'$restore_trace'(3, -1))
   Call: (238) [system] atomic(_802140)
   Fail: (238) [system] atomic(_802140)
   Call: (238) [system] atom_chars(_802140, ['A', n, d, 'L', i, n, k])
   Exit: (238) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (237) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (237) [system] integer('AndLink')
   Fail: (237) [system] integer('AndLink')
   Call: (237) [system] _656032='AndLink'
   Exit: (237) [system] 'AndLink'='AndLink'
^  Exit: (236) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (235) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'AndLink')
^  Exit: (234) [user] cont_sexpr(')', (0x563acd73bee0), 'AndLink')
^  Call: (234) [user] read_list(')', (0x563acd73bee0), _817090)
^  Call: (235) [user] skip_spaces((0x563acd73bee0))
   Call: (236) [system] peek_char((0x563acd73bee0), _818948)
   Exit: (236) [system] peek_char((0x563acd73bee0), ' ')
   Call: (236) [system] ' '=(;)
   Fail: (236) [system] ' '=(;)
   Call: (236) [system] ' '=(/)
   Fail: (236) [system] ' '=(/)
^  Call: (236) [user] is_like_space(' ')
   Call: (237) [system] char_type(' ', 'white')
   Exit: (237) [system] char_type(' ', 'white')
^  Exit: (236) [user] is_like_space(' ')
   Call: (236) [system] get_char((0x563acd73bee0), _828542)
   Exit: (236) [system] get_char((0x563acd73bee0), ' ')
^  Call: (236) [user] skip_spaces((0x563acd73bee0))
   Call: (237) [system] peek_char((0x563acd73bee0), _831246)
   Exit: (237) [system] peek_char((0x563acd73bee0), 'A')
   Call: (237) [system] 'A'=(;)
   Fail: (237) [system] 'A'=(;)
   Call: (237) [system] 'A'=(/)
   Fail: (237) [system] 'A'=(/)
^  Call: (237) [user] is_like_space('A')
   Call: (238) [system] char_type('A', 'white')
   Fail: (238) [system] char_type('A', 'white')
   Call: (238) [system] char_type('A', end_of_line)
   Fail: (238) [system] char_type('A', end_of_line)
   Call: (238) [system] char_type('A', space)
   Fail: (238) [system] char_type('A', space)
   Call: (238) [system] char_type('A', cntrl)
   Fail: (238) [system] char_type('A', cntrl)
^  Fail: (237) [user] is_like_space('A')
^  Exit: (236) [user] skip_spaces((0x563acd73bee0))
^  Exit: (235) [user] skip_spaces((0x563acd73bee0))
   Call: (235) [system] peek_char((0x563acd73bee0), _848180)
   Exit: (235) [system] peek_char((0x563acd73bee0), 'A')
   Call: (235) [system] 'A'=')'
   Fail: (235) [system] 'A'=')'
   Call: (235) [system] 'A'=end_of_file
   Fail: (235) [system] 'A'=end_of_file
^  Call: (235) [user] cont_sexpr(')', (0x563acd73bee0), _853750)
^  Call: (236) [user] skip_spaces((0x563acd73bee0))
   Call: (237) [system] peek_char((0x563acd73bee0), _855608)
   Exit: (237) [system] peek_char((0x563acd73bee0), 'A')
   Call: (237) [system] 'A'=(;)
   Fail: (237) [system] 'A'=(;)
   Call: (237) [system] 'A'=(/)
   Fail: (237) [system] 'A'=(/)
^  Call: (237) [user] is_like_space('A')
   Call: (238) [system] char_type('A', 'white')
   Fail: (238) [system] char_type('A', 'white')
   Call: (238) [system] char_type('A', end_of_line)
   Fail: (238) [system] char_type('A', end_of_line)
   Call: (238) [system] char_type('A', space)
   Fail: (238) [system] char_type('A', space)
   Call: (238) [system] char_type('A', cntrl)
   Fail: (238) [system] char_type('A', cntrl)
^  Fail: (237) [user] is_like_space('A')
^  Exit: (236) [user] skip_spaces((0x563acd73bee0))
   Call: (236) [system] get_char((0x563acd73bee0), _871618)
   Exit: (236) [system] get_char((0x563acd73bee0), 'A')
   Call: (236) [system] 'A'='('
   Fail: (236) [system] 'A'='('
   Call: (236) [system] 'A'='['
   Fail: (236) [system] 'A'='['
   Call: (236) [system] 'A'='{'
   Fail: (236) [system] 'A'='{'
   Call: (236) [system] 'A'='"'
   Fail: (236) [system] 'A'='"'
   Call: (236) [system] 'A'=!
   Fail: (236) [system] 'A'=!
   Call: (236) [system] 'A'='\''
   Fail: (236) [system] 'A'='\''
   Call: (236) [system] 'A'='`'
   Fail: (236) [system] 'A'='`'
   Call: (236) [system] 'A'=end_of_file
   Fail: (236) [system] 'A'=end_of_file
^  Call: (236) [user] read_symbolic(')', (0x563acd73bee0), 'A', _853750)
^  Call: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), _889260)
   Call: (238) [system] peek_char((0x563acd73bee0), _890194)
   Exit: (238) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (238) [user] is_delimiter(' ')
   Call: (239) [system] char_type(' ', space)
   Exit: (239) [system] char_type(' ', space)
^  Exit: (238) [user] is_delimiter(' ')
   Call: (238) [system] _889260=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (237) [user] classify_and_convert_charseq(['A'], _853750)
^  Call: (238) [user] classify_and_convert_charseq_(['A'], _899478)
^  Call: (240) [system] setup_call_cleanup('$notrace'(_900430, _900432), once(user:catch(read_from_chars(['A'], _899478), _900412, fail)), '$restore_trace'(_900430, _900432))
^  Call: (241) [system] sig_atomic(system:'$notrace'(_900430, _900432))
^  Exit: (240) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _899478), _900412, fail)), system:'$restore_trace'(3, -1))
   Call: (239) [system] atomic(_899478)
   Fail: (239) [system] atomic(_899478)
   Call: (239) [system] atom_chars(_899478, ['A'])
   Exit: (239) [system] atom_chars('A', ['A'])
^  Exit: (238) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (238) [system] integer('A')
   Fail: (238) [system] integer('A')
   Call: (238) [system] _853750='A'
   Exit: (238) [system] 'A'='A'
^  Exit: (237) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (236) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (235) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (235) [user] read_list(')', (0x563acd73bee0), _914428)
^  Call: (236) [user] skip_spaces((0x563acd73bee0))
   Call: (237) [system] peek_char((0x563acd73bee0), _916286)
   Exit: (237) [system] peek_char((0x563acd73bee0), ' ')
   Call: (237) [system] ' '=(;)
   Fail: (237) [system] ' '=(;)
   Call: (237) [system] ' '=(/)
   Fail: (237) [system] ' '=(/)
^  Call: (237) [user] is_like_space(' ')
   Call: (238) [system] char_type(' ', 'white')
   Exit: (238) [system] char_type(' ', 'white')
^  Exit: (237) [user] is_like_space(' ')
   Call: (237) [system] get_char((0x563acd73bee0), _925880)
   Exit: (237) [system] get_char((0x563acd73bee0), ' ')
^  Call: (237) [user] skip_spaces((0x563acd73bee0))
   Call: (238) [system] peek_char((0x563acd73bee0), _928584)
   Exit: (238) [system] peek_char((0x563acd73bee0), 'B')
   Call: (238) [system] 'B'=(;)
   Fail: (238) [system] 'B'=(;)
   Call: (238) [system] 'B'=(/)
   Fail: (238) [system] 'B'=(/)
^  Call: (238) [user] is_like_space('B')
   Call: (239) [system] char_type('B', 'white')
   Fail: (239) [system] char_type('B', 'white')
   Call: (239) [system] char_type('B', end_of_line)
   Fail: (239) [system] char_type('B', end_of_line)
   Call: (239) [system] char_type('B', space)
   Fail: (239) [system] char_type('B', space)
   Call: (239) [system] char_type('B', cntrl)
   Fail: (239) [system] char_type('B', cntrl)
^  Fail: (238) [user] is_like_space('B')
^  Exit: (237) [user] skip_spaces((0x563acd73bee0))
^  Exit: (236) [user] skip_spaces((0x563acd73bee0))
   Call: (236) [system] peek_char((0x563acd73bee0), _945518)
   Exit: (236) [system] peek_char((0x563acd73bee0), 'B')
   Call: (236) [system] 'B'=')'
   Fail: (236) [system] 'B'=')'
   Call: (236) [system] 'B'=end_of_file
   Fail: (236) [system] 'B'=end_of_file
^  Call: (236) [user] cont_sexpr(')', (0x563acd73bee0), _951088)
^  Call: (237) [user] skip_spaces((0x563acd73bee0))
   Call: (238) [system] peek_char((0x563acd73bee0), _952946)
   Exit: (238) [system] peek_char((0x563acd73bee0), 'B')
   Call: (238) [system] 'B'=(;)
   Fail: (238) [system] 'B'=(;)
   Call: (238) [system] 'B'=(/)
   Fail: (238) [system] 'B'=(/)
^  Call: (238) [user] is_like_space('B')
   Call: (239) [system] char_type('B', 'white')
   Fail: (239) [system] char_type('B', 'white')
   Call: (239) [system] char_type('B', end_of_line)
   Fail: (239) [system] char_type('B', end_of_line)
   Call: (239) [system] char_type('B', space)
   Fail: (239) [system] char_type('B', space)
   Call: (239) [system] char_type('B', cntrl)
   Fail: (239) [system] char_type('B', cntrl)
^  Fail: (238) [user] is_like_space('B')
^  Exit: (237) [user] skip_spaces((0x563acd73bee0))
   Call: (237) [system] get_char((0x563acd73bee0), _968956)
   Exit: (237) [system] get_char((0x563acd73bee0), 'B')
   Call: (237) [system] 'B'='('
   Fail: (237) [system] 'B'='('
   Call: (237) [system] 'B'='['
   Fail: (237) [system] 'B'='['
   Call: (237) [system] 'B'='{'
   Fail: (237) [system] 'B'='{'
   Call: (237) [system] 'B'='"'
   Fail: (237) [system] 'B'='"'
   Call: (237) [system] 'B'=!
   Fail: (237) [system] 'B'=!
   Call: (237) [system] 'B'='\''
   Fail: (237) [system] 'B'='\''
   Call: (237) [system] 'B'='`'
   Fail: (237) [system] 'B'='`'
   Call: (237) [system] 'B'=end_of_file
   Fail: (237) [system] 'B'=end_of_file
^  Call: (237) [user] read_symbolic(')', (0x563acd73bee0), 'B', _951088)
^  Call: (238) [user] read_symbolic_cont(')', (0x563acd73bee0), _986598)
   Call: (239) [system] peek_char((0x563acd73bee0), _987532)
   Exit: (239) [system] peek_char((0x563acd73bee0), ')')
^  Call: (239) [user] is_delimiter(')')
   Call: (240) [system] char_type(')', space)
   Fail: (240) [system] char_type(')', space)
   Call: (240) [system] arg(_992252, v('(', ')', end_of_file), ')')
   Exit: (240) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (239) [user] is_delimiter(')')
   Call: (239) [system] _986598=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (238) [user] classify_and_convert_charseq(['B'], _951088)
^  Call: (239) [user] classify_and_convert_charseq_(['B'], _998688)
^  Call: (241) [system] setup_call_cleanup('$notrace'(_999640, _999642), once(user:catch(read_from_chars(['B'], _998688), _999622, fail)), '$restore_trace'(_999640, _999642))
^  Call: (242) [system] sig_atomic(system:'$notrace'(_999640, _999642))
^  Exit: (241) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _998688), _999622, fail)), system:'$restore_trace'(3, -1))
   Call: (240) [system] atomic(_998688)
   Fail: (240) [system] atomic(_998688)
   Call: (240) [system] atom_chars(_998688, ['B'])
   Exit: (240) [system] atom_chars('B', ['B'])
^  Exit: (239) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (239) [system] integer('B')
   Fail: (239) [system] integer('B')
   Call: (239) [system] _951088='B'
   Exit: (239) [system] 'B'='B'
^  Exit: (238) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (237) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (236) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (236) [user] read_list(')', (0x563acd73bee0), _1013638)
^  Call: (237) [user] skip_spaces((0x563acd73bee0))
   Call: (238) [system] peek_char((0x563acd73bee0), _1015496)
   Exit: (238) [system] peek_char((0x563acd73bee0), ')')
   Call: (238) [system] ')'=(;)
   Fail: (238) [system] ')'=(;)
   Call: (238) [system] ')'=(/)
   Fail: (238) [system] ')'=(/)
^  Call: (238) [user] is_like_space(')')
   Call: (239) [system] char_type(')', 'white')
   Fail: (239) [system] char_type(')', 'white')
   Call: (239) [system] char_type(')', end_of_line)
   Fail: (239) [system] char_type(')', end_of_line)
   Call: (239) [system] char_type(')', space)
   Fail: (239) [system] char_type(')', space)
   Call: (239) [system] char_type(')', cntrl)
   Fail: (239) [system] char_type(')', cntrl)
^  Fail: (238) [user] is_like_space(')')
^  Exit: (237) [user] skip_spaces((0x563acd73bee0))
   Call: (237) [system] peek_char((0x563acd73bee0), _1031506)
   Exit: (237) [system] peek_char((0x563acd73bee0), ')')
   Call: (237) [system] ')'=')'
   Exit: (237) [system] ')'=')'
   Call: (237) [system] get_char((0x563acd73bee0), _1035296)
   Exit: (237) [system] get_char((0x563acd73bee0), ')')
   Call: (237) [system] _1013638=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_list(')', (0x563acd73bee0), [])
   Call: (236) [system] _914428=['B']
   Exit: (236) [system] ['B']=['B']
^  Exit: (235) [user] read_list(')', (0x563acd73bee0), ['B'])
   Call: (235) [system] _817090=['A', 'B']
   Exit: (235) [system] ['A', 'B']=['A', 'B']
^  Exit: (234) [user] read_list(')', (0x563acd73bee0), ['A', 'B'])
   Call: (234) [system] _611014=['AndLink', 'A', 'B']
   Exit: (234) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (233) [user] read_list(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Exit: (232) [user] cont_sexpr(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Call: (232) [user] read_list(')', (0x563acd73bee0), _1049178)
^  Call: (233) [user] skip_spaces((0x563acd73bee0))
   Call: (234) [system] peek_char((0x563acd73bee0), _1051036)
   Exit: (234) [system] peek_char((0x563acd73bee0), ' ')
   Call: (234) [system] ' '=(;)
   Fail: (234) [system] ' '=(;)
   Call: (234) [system] ' '=(/)
   Fail: (234) [system] ' '=(/)
^  Call: (234) [user] is_like_space(' ')
   Call: (235) [system] char_type(' ', 'white')
   Exit: (235) [system] char_type(' ', 'white')
^  Exit: (234) [user] is_like_space(' ')
   Call: (234) [system] get_char((0x563acd73bee0), _1060630)
   Exit: (234) [system] get_char((0x563acd73bee0), ' ')
^  Call: (234) [user] skip_spaces((0x563acd73bee0))
   Call: (235) [system] peek_char((0x563acd73bee0), _1063334)
   Exit: (235) [system] peek_char((0x563acd73bee0), 'C')
   Call: (235) [system] 'C'=(;)
   Fail: (235) [system] 'C'=(;)
   Call: (235) [system] 'C'=(/)
   Fail: (235) [system] 'C'=(/)
^  Call: (235) [user] is_like_space('C')
   Call: (236) [system] char_type('C', 'white')
   Fail: (236) [system] char_type('C', 'white')
   Call: (236) [system] char_type('C', end_of_line)
   Fail: (236) [system] char_type('C', end_of_line)
   Call: (236) [system] char_type('C', space)
   Fail: (236) [system] char_type('C', space)
   Call: (236) [system] char_type('C', cntrl)
   Fail: (236) [system] char_type('C', cntrl)
^  Fail: (235) [user] is_like_space('C')
^  Exit: (234) [user] skip_spaces((0x563acd73bee0))
^  Exit: (233) [user] skip_spaces((0x563acd73bee0))
   Call: (233) [system] peek_char((0x563acd73bee0), _1080268)
   Exit: (233) [system] peek_char((0x563acd73bee0), 'C')
   Call: (233) [system] 'C'=')'
   Fail: (233) [system] 'C'=')'
   Call: (233) [system] 'C'=end_of_file
   Fail: (233) [system] 'C'=end_of_file
^  Call: (233) [user] cont_sexpr(')', (0x563acd73bee0), _1085838)
^  Call: (234) [user] skip_spaces((0x563acd73bee0))
   Call: (235) [system] peek_char((0x563acd73bee0), _1087696)
   Exit: (235) [system] peek_char((0x563acd73bee0), 'C')
   Call: (235) [system] 'C'=(;)
   Fail: (235) [system] 'C'=(;)
   Call: (235) [system] 'C'=(/)
   Fail: (235) [system] 'C'=(/)
^  Call: (235) [user] is_like_space('C')
   Call: (236) [system] char_type('C', 'white')
   Fail: (236) [system] char_type('C', 'white')
   Call: (236) [system] char_type('C', end_of_line)
   Fail: (236) [system] char_type('C', end_of_line)
   Call: (236) [system] char_type('C', space)
   Fail: (236) [system] char_type('C', space)
   Call: (236) [system] char_type('C', cntrl)
   Fail: (236) [system] char_type('C', cntrl)
^  Fail: (235) [user] is_like_space('C')
^  Exit: (234) [user] skip_spaces((0x563acd73bee0))
   Call: (234) [system] get_char((0x563acd73bee0), _1103706)
   Exit: (234) [system] get_char((0x563acd73bee0), 'C')
   Call: (234) [system] 'C'='('
   Fail: (234) [system] 'C'='('
   Call: (234) [system] 'C'='['
   Fail: (234) [system] 'C'='['
   Call: (234) [system] 'C'='{'
   Fail: (234) [system] 'C'='{'
   Call: (234) [system] 'C'='"'
   Fail: (234) [system] 'C'='"'
   Call: (234) [system] 'C'=!
   Fail: (234) [system] 'C'=!
   Call: (234) [system] 'C'='\''
   Fail: (234) [system] 'C'='\''
   Call: (234) [system] 'C'='`'
   Fail: (234) [system] 'C'='`'
   Call: (234) [system] 'C'=end_of_file
   Fail: (234) [system] 'C'=end_of_file
^  Call: (234) [user] read_symbolic(')', (0x563acd73bee0), 'C', _1085838)
^  Call: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), _1121348)
   Call: (236) [system] peek_char((0x563acd73bee0), _1122282)
   Exit: (236) [system] peek_char((0x563acd73bee0), ')')
^  Call: (236) [user] is_delimiter(')')
   Call: (237) [system] char_type(')', space)
   Fail: (237) [system] char_type(')', space)
   Call: (237) [system] arg(_1127002, v('(', ')', end_of_file), ')')
   Exit: (237) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (236) [user] is_delimiter(')')
   Call: (236) [system] _1121348=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (235) [user] classify_and_convert_charseq(['C'], _1085838)
^  Call: (236) [user] classify_and_convert_charseq_(['C'], _1133438)
^  Call: (238) [system] setup_call_cleanup('$notrace'(_1134390, _1134392), once(user:catch(read_from_chars(['C'], _1133438), _1134372, fail)), '$restore_trace'(_1134390, _1134392))
^  Call: (239) [system] sig_atomic(system:'$notrace'(_1134390, _1134392))
^  Exit: (238) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1133438), _1134372, fail)), system:'$restore_trace'(3, -1))
   Call: (237) [system] atomic(_1133438)
   Fail: (237) [system] atomic(_1133438)
   Call: (237) [system] atom_chars(_1133438, ['C'])
   Exit: (237) [system] atom_chars('C', ['C'])
^  Exit: (236) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (236) [system] integer('C')
   Fail: (236) [system] integer('C')
   Call: (236) [system] _1085838='C'
   Exit: (236) [system] 'C'='C'
^  Exit: (235) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (234) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (233) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (233) [user] read_list(')', (0x563acd73bee0), _1148388)
^  Call: (234) [user] skip_spaces((0x563acd73bee0))
   Call: (235) [system] peek_char((0x563acd73bee0), _1150246)
   Exit: (235) [system] peek_char((0x563acd73bee0), ')')
   Call: (235) [system] ')'=(;)
   Fail: (235) [system] ')'=(;)
   Call: (235) [system] ')'=(/)
   Fail: (235) [system] ')'=(/)
^  Call: (235) [user] is_like_space(')')
   Call: (236) [system] char_type(')', 'white')
   Fail: (236) [system] char_type(')', 'white')
   Call: (236) [system] char_type(')', end_of_line)
   Fail: (236) [system] char_type(')', end_of_line)
   Call: (236) [system] char_type(')', space)
   Fail: (236) [system] char_type(')', space)
   Call: (236) [system] char_type(')', cntrl)
   Fail: (236) [system] char_type(')', cntrl)
^  Fail: (235) [user] is_like_space(')')
^  Exit: (234) [user] skip_spaces((0x563acd73bee0))
   Call: (234) [system] peek_char((0x563acd73bee0), _1166256)
   Exit: (234) [system] peek_char((0x563acd73bee0), ')')
   Call: (234) [system] ')'=')'
   Exit: (234) [system] ')'=')'
   Call: (234) [system] get_char((0x563acd73bee0), _1170046)
   Exit: (234) [system] get_char((0x563acd73bee0), ')')
   Call: (234) [system] _1148388=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_list(')', (0x563acd73bee0), [])
   Call: (233) [system] _1049178=['C']
   Exit: (233) [system] ['C']=['C']
^  Exit: (232) [user] read_list(')', (0x563acd73bee0), ['C'])
   Call: (232) [system] _574354=[['AndLink', 'A', 'B'], 'C']
   Exit: (232) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (231) [user] read_list(')', (0x563acd73bee0), [['AndLink', 'A', 'B'], 'C'])
   Call: (231) [system] _301358=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (231) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (230) [user] read_list(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (229) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (229) [user] read_list(')', (0x563acd73bee0), _1183928)
^  Call: (230) [user] skip_spaces((0x563acd73bee0))
   Call: (231) [system] peek_char((0x563acd73bee0), _1185786)
   Exit: (231) [system] peek_char((0x563acd73bee0), ')')
   Call: (231) [system] ')'=(;)
   Fail: (231) [system] ')'=(;)
   Call: (231) [system] ')'=(/)
   Fail: (231) [system] ')'=(/)
^  Call: (231) [user] is_like_space(')')
   Call: (232) [system] char_type(')', 'white')
   Fail: (232) [system] char_type(')', 'white')
   Call: (232) [system] char_type(')', end_of_line)
   Fail: (232) [system] char_type(')', end_of_line)
   Call: (232) [system] char_type(')', space)
   Fail: (232) [system] char_type(')', space)
   Call: (232) [system] char_type(')', cntrl)
   Fail: (232) [system] char_type(')', cntrl)
^  Fail: (231) [user] is_like_space(')')
^  Exit: (230) [user] skip_spaces((0x563acd73bee0))
   Call: (230) [system] peek_char((0x563acd73bee0), _1201796)
   Exit: (230) [system] peek_char((0x563acd73bee0), ')')
   Call: (230) [system] ')'=')'
   Exit: (230) [system] ')'=')'
   Call: (230) [system] get_char((0x563acd73bee0), _1205586)
   Exit: (230) [system] get_char((0x563acd73bee0), ')')
   Call: (230) [system] _1183928=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_list(')', (0x563acd73bee0), [])
   Call: (229) [system] _264698=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (229) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (228) [user] read_list(')', (0x563acd73bee0), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (228) [system] _167360=['B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (228) [system] ['B', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (227) [user] read_list(')', (0x563acd73bee0), ['B', ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (227) [system] _6416=['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (227) [system] ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (226) [user] read_list(')', (0x563acd73bee0), ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (225) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (225) [user] read_list(')', (0x563acd73bee0), _1219468)
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _1221326)
   Exit: (227) [system] peek_char((0x563acd73bee0), ')')
   Call: (227) [system] ')'=(;)
   Fail: (227) [system] ')'=(;)
   Call: (227) [system] ')'=(/)
   Fail: (227) [system] ')'=(/)
^  Call: (227) [user] is_like_space(')')
   Call: (228) [system] char_type(')', 'white')
   Fail: (228) [system] char_type(')', 'white')
   Call: (228) [system] char_type(')', end_of_line)
   Fail: (228) [system] char_type(')', end_of_line)
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] char_type(')', cntrl)
   Fail: (228) [system] char_type(')', cntrl)
^  Fail: (227) [user] is_like_space(')')
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _1237336)
   Exit: (226) [system] peek_char((0x563acd73bee0), ')')
   Call: (226) [system] ')'=')'
   Exit: (226) [system] ')'=')'
   Call: (226) [system] get_char((0x563acd73bee0), _1241126)
   Exit: (226) [system] get_char((0x563acd73bee0), ')')
   Call: (226) [system] _1219468=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_list(')', (0x563acd73bee0), [])
   Call: (225) [system] _6412=[['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (225) [system] [['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (224) [user] read_list(')', (0x563acd73bee0), [['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (224) [system] _6388=[['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (224) [system] [['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (223) [user] read_list(')', (0x563acd73bee0), [['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (223) [system] _6380=[:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (223) [system] [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (222) [user] read_list(')', (0x563acd73bee0), [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (221) [user] cont_sexpr(')', (0x563acd73bee0), [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (221) [user] read_list(')', (0x563acd73bee0), _1255008)
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _1256866)
   Exit: (223) [system] peek_char((0x563acd73bee0), '\n')
   Call: (223) [system] '\n'=(;)
   Fail: (223) [system] '\n'=(;)
   Call: (223) [system] '\n'=(/)
   Fail: (223) [system] '\n'=(/)
^  Call: (223) [user] is_like_space('\n')
   Call: (224) [system] char_type('\n', 'white')
   Fail: (224) [system] char_type('\n', 'white')
   Call: (224) [system] char_type('\n', end_of_line)
   Exit: (224) [system] char_type('\n', end_of_line)
^  Exit: (223) [user] is_like_space('\n')
   Call: (223) [system] get_char((0x563acd73bee0), _1268316)
   Exit: (223) [system] get_char((0x563acd73bee0), '\n')
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _1271020)
   Exit: (224) [system] peek_char((0x563acd73bee0), '\t')
   Call: (224) [system] '\t'=(;)
   Fail: (224) [system] '\t'=(;)
   Call: (224) [system] '\t'=(/)
   Fail: (224) [system] '\t'=(/)
^  Call: (224) [user] is_like_space('\t')
   Call: (225) [system] char_type('\t', 'white')
   Exit: (225) [system] char_type('\t', 'white')
^  Exit: (224) [user] is_like_space('\t')
   Call: (224) [system] get_char((0x563acd73bee0), _1280614)
   Exit: (224) [system] get_char((0x563acd73bee0), '\t')
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _1283318)
   Exit: (225) [system] peek_char((0x563acd73bee0), '\t')
   Call: (225) [system] '\t'=(;)
   Fail: (225) [system] '\t'=(;)
   Call: (225) [system] '\t'=(/)
   Fail: (225) [system] '\t'=(/)
^  Call: (225) [user] is_like_space('\t')
   Call: (226) [system] char_type('\t', 'white')
   Exit: (226) [system] char_type('\t', 'white')
^  Exit: (225) [user] is_like_space('\t')
   Call: (225) [system] get_char((0x563acd73bee0), _1292912)
   Exit: (225) [system] get_char((0x563acd73bee0), '\t')
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _1295616)
   Exit: (226) [system] peek_char((0x563acd73bee0), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x563acd73bee0), _1305210)
   Exit: (226) [system] get_char((0x563acd73bee0), ' ')
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _1307914)
   Exit: (227) [system] peek_char((0x563acd73bee0), '(')
   Call: (227) [system] '('=(;)
   Fail: (227) [system] '('=(;)
   Call: (227) [system] '('=(/)
   Fail: (227) [system] '('=(/)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Fail: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Fail: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Fail: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
   Fail: (228) [system] char_type('(', cntrl)
^  Fail: (227) [user] is_like_space('(')
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _1327620)
   Exit: (222) [system] peek_char((0x563acd73bee0), '(')
   Call: (222) [system] '('=')'
   Fail: (222) [system] '('=')'
   Call: (222) [system] '('=end_of_file
   Fail: (222) [system] '('=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x563acd73bee0), _1333190)
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _1335048)
   Exit: (224) [system] peek_char((0x563acd73bee0), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
   Call: (224) [system] '('=(/)
   Fail: (224) [system] '('=(/)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] get_char((0x563acd73bee0), _1351058)
   Exit: (223) [system] get_char((0x563acd73bee0), '(')
   Call: (223) [system] '('='('
   Exit: (223) [system] '('='('
^  Call: (223) [user] read_list(')', (0x563acd73bee0), _1333190)
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _1356628)
   Exit: (225) [system] peek_char((0x563acd73bee0), :)
   Call: (225) [system] (:)=(;)
   Fail: (225) [system] (:)=(;)
   Call: (225) [system] (:)=(/)
   Fail: (225) [system] (:)=(/)
^  Call: (225) [user] is_like_space(:)
   Call: (226) [system] char_type(:, 'white')
   Fail: (226) [system] char_type(:, 'white')
   Call: (226) [system] char_type(:, end_of_line)
   Fail: (226) [system] char_type(:, end_of_line)
   Call: (226) [system] char_type(:, space)
   Fail: (226) [system] char_type(:, space)
   Call: (226) [system] char_type(:, cntrl)
   Fail: (226) [system] char_type(:, cntrl)
^  Fail: (225) [user] is_like_space(:)
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _1372638)
   Exit: (224) [system] peek_char((0x563acd73bee0), :)
   Call: (224) [system] (:)=')'
   Fail: (224) [system] (:)=')'
   Call: (224) [system] (:)=end_of_file
   Fail: (224) [system] (:)=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x563acd73bee0), _1378208)
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _1380066)
   Exit: (226) [system] peek_char((0x563acd73bee0), :)
   Call: (226) [system] (:)=(;)
   Fail: (226) [system] (:)=(;)
   Call: (226) [system] (:)=(/)
   Fail: (226) [system] (:)=(/)
^  Call: (226) [user] is_like_space(:)
   Call: (227) [system] char_type(:, 'white')
   Fail: (227) [system] char_type(:, 'white')
   Call: (227) [system] char_type(:, end_of_line)
   Fail: (227) [system] char_type(:, end_of_line)
   Call: (227) [system] char_type(:, space)
   Fail: (227) [system] char_type(:, space)
   Call: (227) [system] char_type(:, cntrl)
   Fail: (227) [system] char_type(:, cntrl)
^  Fail: (226) [user] is_like_space(:)
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] get_char((0x563acd73bee0), _1396076)
   Exit: (225) [system] get_char((0x563acd73bee0), :)
   Call: (225) [system] (:)='('
   Fail: (225) [system] (:)='('
   Call: (225) [system] (:)='['
   Fail: (225) [system] (:)='['
   Call: (225) [system] (:)='{'
   Fail: (225) [system] (:)='{'
   Call: (225) [system] (:)='"'
   Fail: (225) [system] (:)='"'
   Call: (225) [system] (:)=!
   Fail: (225) [system] (:)=!
   Call: (225) [system] (:)='\''
   Fail: (225) [system] (:)='\''
   Call: (225) [system] (:)='`'
   Fail: (225) [system] (:)='`'
   Call: (225) [system] (:)=end_of_file
   Fail: (225) [system] (:)=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x563acd73bee0), :, _1378208)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _1413718)
   Call: (227) [system] peek_char((0x563acd73bee0), _1414652)
   Exit: (227) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _1413718=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (226) [user] classify_and_convert_charseq([:], _1378208)
^  Call: (227) [user] classify_and_convert_charseq_([:], _1423936)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1424888, _1424890), once(user:catch(read_from_chars([:], _1423936), _1424870, fail)), '$restore_trace'(_1424888, _1424890))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1424888, _1424890))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1424870, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(:)
   Exit: (228) [system] atomic(:)
^  Exit: (227) [user] classify_and_convert_charseq_([:], :)
   Call: (227) [system] integer(:)
   Fail: (227) [system] integer(:)
   Call: (227) [system] _1378208=(:)
   Exit: (227) [system] (:)=(:)
^  Exit: (226) [user] classify_and_convert_charseq([:], :)
^  Exit: (225) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (224) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (224) [user] read_list(')', (0x563acd73bee0), _1437016)
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _1438874)
   Exit: (226) [system] peek_char((0x563acd73bee0), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x563acd73bee0), _1448468)
   Exit: (226) [system] get_char((0x563acd73bee0), ' ')
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _1451172)
   Exit: (227) [system] peek_char((0x563acd73bee0), '(')
   Call: (227) [system] '('=(;)
   Fail: (227) [system] '('=(;)
   Call: (227) [system] '('=(/)
   Fail: (227) [system] '('=(/)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Fail: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Fail: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Fail: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
   Fail: (228) [system] char_type('(', cntrl)
^  Fail: (227) [user] is_like_space('(')
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _1468106)
   Exit: (225) [system] peek_char((0x563acd73bee0), '(')
   Call: (225) [system] '('=')'
   Fail: (225) [system] '('=')'
   Call: (225) [system] '('=end_of_file
   Fail: (225) [system] '('=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x563acd73bee0), _1473676)
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _1475534)
   Exit: (227) [system] peek_char((0x563acd73bee0), '(')
   Call: (227) [system] '('=(;)
   Fail: (227) [system] '('=(;)
   Call: (227) [system] '('=(/)
   Fail: (227) [system] '('=(/)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Fail: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Fail: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Fail: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
   Fail: (228) [system] char_type('(', cntrl)
^  Fail: (227) [user] is_like_space('(')
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] get_char((0x563acd73bee0), _1491544)
   Exit: (226) [system] get_char((0x563acd73bee0), '(')
   Call: (226) [system] '('='('
   Exit: (226) [system] '('='('
^  Call: (226) [user] read_list(')', (0x563acd73bee0), _1473676)
^  Call: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _1497114)
   Exit: (228) [system] peek_char((0x563acd73bee0), 'D')
   Call: (228) [system] 'D'=(;)
   Fail: (228) [system] 'D'=(;)
   Call: (228) [system] 'D'=(/)
   Fail: (228) [system] 'D'=(/)
^  Call: (228) [user] is_like_space('D')
   Call: (229) [system] char_type('D', 'white')
   Fail: (229) [system] char_type('D', 'white')
   Call: (229) [system] char_type('D', end_of_line)
   Fail: (229) [system] char_type('D', end_of_line)
   Call: (229) [system] char_type('D', space)
   Fail: (229) [system] char_type('D', space)
   Call: (229) [system] char_type('D', cntrl)
   Fail: (229) [system] char_type('D', cntrl)
^  Fail: (228) [user] is_like_space('D')
^  Exit: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _1513124)
   Exit: (227) [system] peek_char((0x563acd73bee0), 'D')
   Call: (227) [system] 'D'=')'
   Fail: (227) [system] 'D'=')'
   Call: (227) [system] 'D'=end_of_file
   Fail: (227) [system] 'D'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x563acd73bee0), _1518694)
^  Call: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] peek_char((0x563acd73bee0), _1520552)
   Exit: (229) [system] peek_char((0x563acd73bee0), 'D')
   Call: (229) [system] 'D'=(;)
   Fail: (229) [system] 'D'=(;)
   Call: (229) [system] 'D'=(/)
   Fail: (229) [system] 'D'=(/)
^  Call: (229) [user] is_like_space('D')
   Call: (230) [system] char_type('D', 'white')
   Fail: (230) [system] char_type('D', 'white')
   Call: (230) [system] char_type('D', end_of_line)
   Fail: (230) [system] char_type('D', end_of_line)
   Call: (230) [system] char_type('D', space)
   Fail: (230) [system] char_type('D', space)
   Call: (230) [system] char_type('D', cntrl)
   Fail: (230) [system] char_type('D', cntrl)
^  Fail: (229) [user] is_like_space('D')
^  Exit: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] get_char((0x563acd73bee0), _1536562)
   Exit: (228) [system] get_char((0x563acd73bee0), 'D')
   Call: (228) [system] 'D'='('
   Fail: (228) [system] 'D'='('
   Call: (228) [system] 'D'='['
   Fail: (228) [system] 'D'='['
   Call: (228) [system] 'D'='{'
   Fail: (228) [system] 'D'='{'
   Call: (228) [system] 'D'='"'
   Fail: (228) [system] 'D'='"'
   Call: (228) [system] 'D'=!
   Fail: (228) [system] 'D'=!
   Call: (228) [system] 'D'='\''
   Fail: (228) [system] 'D'='\''
   Call: (228) [system] 'D'='`'
   Fail: (228) [system] 'D'='`'
   Call: (228) [system] 'D'=end_of_file
   Fail: (228) [system] 'D'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x563acd73bee0), 'D', _1518694)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _1554204)
   Call: (230) [system] peek_char((0x563acd73bee0), _1555138)
   Exit: (230) [system] peek_char((0x563acd73bee0), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Fail: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_1559858, v('(', ')', end_of_file), i)
   Fail: (231) [system] arg(_1560790, v('(', ')', end_of_file), i)
^  Fail: (230) [user] is_delimiter(i)
   Call: (230) [system] ')'==i
   Fail: (230) [system] ')'==i
   Call: (230) [system] get_char((0x563acd73bee0), i)
   Exit: (230) [system] get_char((0x563acd73bee0), i)
   Call: (230) [system] i=(\)
   Fail: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _1568140)
   Call: (231) [system] peek_char((0x563acd73bee0), _1569074)
   Exit: (231) [system] peek_char((0x563acd73bee0), s)
^  Call: (231) [user] is_delimiter(s)
   Call: (232) [system] char_type(s, space)
   Fail: (232) [system] char_type(s, space)
   Call: (232) [system] arg(_1573794, v('(', ')', end_of_file), s)
   Fail: (232) [system] arg(_1574726, v('(', ')', end_of_file), s)
^  Fail: (231) [user] is_delimiter(s)
   Call: (231) [system] ')'==s
   Fail: (231) [system] ')'==s
   Call: (231) [system] get_char((0x563acd73bee0), s)
   Exit: (231) [system] get_char((0x563acd73bee0), s)
   Call: (231) [system] s=(\)
   Fail: (231) [system] s=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _1582076)
   Call: (232) [system] peek_char((0x563acd73bee0), _1583010)
   Exit: (232) [system] peek_char((0x563acd73bee0), j)
^  Call: (232) [user] is_delimiter(j)
   Call: (233) [system] char_type(j, space)
   Fail: (233) [system] char_type(j, space)
   Call: (233) [system] arg(_1587730, v('(', ')', end_of_file), j)
   Fail: (233) [system] arg(_1588662, v('(', ')', end_of_file), j)
^  Fail: (232) [user] is_delimiter(j)
   Call: (232) [system] ')'==j
   Fail: (232) [system] ')'==j
   Call: (232) [system] get_char((0x563acd73bee0), j)
   Exit: (232) [system] get_char((0x563acd73bee0), j)
   Call: (232) [system] j=(\)
   Fail: (232) [system] j=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _1596012)
   Call: (233) [system] peek_char((0x563acd73bee0), _1596946)
   Exit: (233) [system] peek_char((0x563acd73bee0), u)
^  Call: (233) [user] is_delimiter(u)
   Call: (234) [system] char_type(u, space)
   Fail: (234) [system] char_type(u, space)
   Call: (234) [system] arg(_1601666, v('(', ')', end_of_file), u)
   Fail: (234) [system] arg(_1602598, v('(', ')', end_of_file), u)
^  Fail: (233) [user] is_delimiter(u)
   Call: (233) [system] ')'==u
   Fail: (233) [system] ')'==u
   Call: (233) [system] get_char((0x563acd73bee0), u)
   Exit: (233) [system] get_char((0x563acd73bee0), u)
   Call: (233) [system] u=(\)
   Fail: (233) [system] u=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), _1609948)
   Call: (234) [system] peek_char((0x563acd73bee0), _1610882)
   Exit: (234) [system] peek_char((0x563acd73bee0), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Fail: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_1615602, v('(', ')', end_of_file), n)
   Fail: (235) [system] arg(_1616534, v('(', ')', end_of_file), n)
^  Fail: (234) [user] is_delimiter(n)
   Call: (234) [system] ')'==n
   Fail: (234) [system] ')'==n
   Call: (234) [system] get_char((0x563acd73bee0), n)
   Exit: (234) [system] get_char((0x563acd73bee0), n)
   Call: (234) [system] n=(\)
   Fail: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), _1623884)
   Call: (235) [system] peek_char((0x563acd73bee0), _1624818)
   Exit: (235) [system] peek_char((0x563acd73bee0), c)
^  Call: (235) [user] is_delimiter(c)
   Call: (236) [system] char_type(c, space)
   Fail: (236) [system] char_type(c, space)
   Call: (236) [system] arg(_1629538, v('(', ')', end_of_file), c)
   Fail: (236) [system] arg(_1630470, v('(', ')', end_of_file), c)
^  Fail: (235) [user] is_delimiter(c)
   Call: (235) [system] ')'==c
   Fail: (235) [system] ')'==c
   Call: (235) [system] get_char((0x563acd73bee0), c)
   Exit: (235) [system] get_char((0x563acd73bee0), c)
   Call: (235) [system] c=(\)
   Fail: (235) [system] c=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), _1637820)
   Call: (236) [system] peek_char((0x563acd73bee0), _1638754)
   Exit: (236) [system] peek_char((0x563acd73bee0), t)
^  Call: (236) [user] is_delimiter(t)
   Call: (237) [system] char_type(t, space)
   Fail: (237) [system] char_type(t, space)
   Call: (237) [system] arg(_1643474, v('(', ')', end_of_file), t)
   Fail: (237) [system] arg(_1644406, v('(', ')', end_of_file), t)
^  Fail: (236) [user] is_delimiter(t)
   Call: (236) [system] ')'==t
   Fail: (236) [system] ')'==t
   Call: (236) [system] get_char((0x563acd73bee0), t)
   Exit: (236) [system] get_char((0x563acd73bee0), t)
   Call: (236) [system] t=(\)
   Fail: (236) [system] t=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), _1651756)
   Call: (237) [system] peek_char((0x563acd73bee0), _1652690)
   Exit: (237) [system] peek_char((0x563acd73bee0), i)
^  Call: (237) [user] is_delimiter(i)
   Call: (238) [system] char_type(i, space)
   Fail: (238) [system] char_type(i, space)
   Call: (238) [system] arg(_1657410, v('(', ')', end_of_file), i)
   Fail: (238) [system] arg(_1658342, v('(', ')', end_of_file), i)
^  Fail: (237) [user] is_delimiter(i)
   Call: (237) [system] ')'==i
   Fail: (237) [system] ')'==i
   Call: (237) [system] get_char((0x563acd73bee0), i)
   Exit: (237) [system] get_char((0x563acd73bee0), i)
   Call: (237) [system] i=(\)
   Fail: (237) [system] i=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), _1665692)
   Call: (238) [system] peek_char((0x563acd73bee0), _1666626)
   Exit: (238) [system] peek_char((0x563acd73bee0), o)
^  Call: (238) [user] is_delimiter(o)
   Call: (239) [system] char_type(o, space)
   Fail: (239) [system] char_type(o, space)
   Call: (239) [system] arg(_1671346, v('(', ')', end_of_file), o)
   Fail: (239) [system] arg(_1672278, v('(', ')', end_of_file), o)
^  Fail: (238) [user] is_delimiter(o)
   Call: (238) [system] ')'==o
   Fail: (238) [system] ')'==o
   Call: (238) [system] get_char((0x563acd73bee0), o)
   Exit: (238) [system] get_char((0x563acd73bee0), o)
   Call: (238) [system] o=(\)
   Fail: (238) [system] o=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x563acd73bee0), _1679628)
   Call: (239) [system] peek_char((0x563acd73bee0), _1680562)
   Exit: (239) [system] peek_char((0x563acd73bee0), n)
^  Call: (239) [user] is_delimiter(n)
   Call: (240) [system] char_type(n, space)
   Fail: (240) [system] char_type(n, space)
   Call: (240) [system] arg(_1685282, v('(', ')', end_of_file), n)
   Fail: (240) [system] arg(_1686214, v('(', ')', end_of_file), n)
^  Fail: (239) [user] is_delimiter(n)
   Call: (239) [system] ')'==n
   Fail: (239) [system] ')'==n
   Call: (239) [system] get_char((0x563acd73bee0), n)
   Exit: (239) [system] get_char((0x563acd73bee0), n)
   Call: (239) [system] n=(\)
   Fail: (239) [system] n=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x563acd73bee0), _1693564)
   Call: (240) [system] peek_char((0x563acd73bee0), _1694498)
   Exit: (240) [system] peek_char((0x563acd73bee0), 'I')
^  Call: (240) [user] is_delimiter('I')
   Call: (241) [system] char_type('I', space)
   Fail: (241) [system] char_type('I', space)
   Call: (241) [system] arg(_1699218, v('(', ')', end_of_file), 'I')
   Fail: (241) [system] arg(_1700150, v('(', ')', end_of_file), 'I')
^  Fail: (240) [user] is_delimiter('I')
   Call: (240) [system] ')'=='I'
   Fail: (240) [system] ')'=='I'
   Call: (240) [system] get_char((0x563acd73bee0), 'I')
   Exit: (240) [system] get_char((0x563acd73bee0), 'I')
   Call: (240) [system] 'I'=(\)
   Fail: (240) [system] 'I'=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x563acd73bee0), _1707500)
   Call: (241) [system] peek_char((0x563acd73bee0), _1708434)
   Exit: (241) [system] peek_char((0x563acd73bee0), n)
^  Call: (241) [user] is_delimiter(n)
   Call: (242) [system] char_type(n, space)
   Fail: (242) [system] char_type(n, space)
   Call: (242) [system] arg(_1713154, v('(', ')', end_of_file), n)
   Fail: (242) [system] arg(_1714086, v('(', ')', end_of_file), n)
^  Fail: (241) [user] is_delimiter(n)
   Call: (241) [system] ')'==n
   Fail: (241) [system] ')'==n
   Call: (241) [system] get_char((0x563acd73bee0), n)
   Exit: (241) [system] get_char((0x563acd73bee0), n)
   Call: (241) [system] n=(\)
   Fail: (241) [system] n=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x563acd73bee0), _1721436)
   Call: (242) [system] peek_char((0x563acd73bee0), _1722370)
   Exit: (242) [system] peek_char((0x563acd73bee0), t)
^  Call: (242) [user] is_delimiter(t)
   Call: (243) [system] char_type(t, space)
   Fail: (243) [system] char_type(t, space)
   Call: (243) [system] arg(_1727090, v('(', ')', end_of_file), t)
   Fail: (243) [system] arg(_1728022, v('(', ')', end_of_file), t)
^  Fail: (242) [user] is_delimiter(t)
   Call: (242) [system] ')'==t
   Fail: (242) [system] ')'==t
   Call: (242) [system] get_char((0x563acd73bee0), t)
   Exit: (242) [system] get_char((0x563acd73bee0), t)
   Call: (242) [system] t=(\)
   Fail: (242) [system] t=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x563acd73bee0), _1735372)
   Call: (243) [system] peek_char((0x563acd73bee0), _1736306)
   Exit: (243) [system] peek_char((0x563acd73bee0), r)
^  Call: (243) [user] is_delimiter(r)
   Call: (244) [system] char_type(r, space)
   Fail: (244) [system] char_type(r, space)
   Call: (244) [system] arg(_1741026, v('(', ')', end_of_file), r)
   Fail: (244) [system] arg(_1741958, v('(', ')', end_of_file), r)
^  Fail: (243) [user] is_delimiter(r)
   Call: (243) [system] ')'==r
   Fail: (243) [system] ')'==r
   Call: (243) [system] get_char((0x563acd73bee0), r)
   Exit: (243) [system] get_char((0x563acd73bee0), r)
   Call: (243) [system] r=(\)
   Fail: (243) [system] r=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x563acd73bee0), _1749308)
   Call: (244) [system] peek_char((0x563acd73bee0), _1750242)
   Exit: (244) [system] peek_char((0x563acd73bee0), o)
^  Call: (244) [user] is_delimiter(o)
   Call: (245) [system] char_type(o, space)
   Fail: (245) [system] char_type(o, space)
   Call: (245) [system] arg(_1754962, v('(', ')', end_of_file), o)
   Fail: (245) [system] arg(_1755894, v('(', ')', end_of_file), o)
^  Fail: (244) [user] is_delimiter(o)
   Call: (244) [system] ')'==o
   Fail: (244) [system] ')'==o
   Call: (244) [system] get_char((0x563acd73bee0), o)
   Exit: (244) [system] get_char((0x563acd73bee0), o)
   Call: (244) [system] o=(\)
   Fail: (244) [system] o=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x563acd73bee0), _1763244)
   Call: (245) [system] peek_char((0x563acd73bee0), _1764178)
   Exit: (245) [system] peek_char((0x563acd73bee0), d)
^  Call: (245) [user] is_delimiter(d)
   Call: (246) [system] char_type(d, space)
   Fail: (246) [system] char_type(d, space)
   Call: (246) [system] arg(_1768898, v('(', ')', end_of_file), d)
   Fail: (246) [system] arg(_1769830, v('(', ')', end_of_file), d)
^  Fail: (245) [user] is_delimiter(d)
   Call: (245) [system] ')'==d
   Fail: (245) [system] ')'==d
   Call: (245) [system] get_char((0x563acd73bee0), d)
   Exit: (245) [system] get_char((0x563acd73bee0), d)
   Call: (245) [system] d=(\)
   Fail: (245) [system] d=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x563acd73bee0), _1777180)
   Call: (246) [system] peek_char((0x563acd73bee0), _1778114)
   Exit: (246) [system] peek_char((0x563acd73bee0), u)
^  Call: (246) [user] is_delimiter(u)
   Call: (247) [system] char_type(u, space)
   Fail: (247) [system] char_type(u, space)
   Call: (247) [system] arg(_1782834, v('(', ')', end_of_file), u)
   Fail: (247) [system] arg(_1783766, v('(', ')', end_of_file), u)
^  Fail: (246) [user] is_delimiter(u)
   Call: (246) [system] ')'==u
   Fail: (246) [system] ')'==u
   Call: (246) [system] get_char((0x563acd73bee0), u)
   Exit: (246) [system] get_char((0x563acd73bee0), u)
   Call: (246) [system] u=(\)
   Fail: (246) [system] u=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x563acd73bee0), _1791116)
   Call: (247) [system] peek_char((0x563acd73bee0), _1792050)
   Exit: (247) [system] peek_char((0x563acd73bee0), c)
^  Call: (247) [user] is_delimiter(c)
   Call: (248) [system] char_type(c, space)
   Fail: (248) [system] char_type(c, space)
   Call: (248) [system] arg(_1796770, v('(', ')', end_of_file), c)
   Fail: (248) [system] arg(_1797702, v('(', ')', end_of_file), c)
^  Fail: (247) [user] is_delimiter(c)
   Call: (247) [system] ')'==c
   Fail: (247) [system] ')'==c
   Call: (247) [system] get_char((0x563acd73bee0), c)
   Exit: (247) [system] get_char((0x563acd73bee0), c)
   Call: (247) [system] c=(\)
   Fail: (247) [system] c=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x563acd73bee0), _1805052)
   Call: (248) [system] peek_char((0x563acd73bee0), _1805986)
   Exit: (248) [system] peek_char((0x563acd73bee0), t)
^  Call: (248) [user] is_delimiter(t)
   Call: (249) [system] char_type(t, space)
   Fail: (249) [system] char_type(t, space)
   Call: (249) [system] arg(_1810706, v('(', ')', end_of_file), t)
   Fail: (249) [system] arg(_1811638, v('(', ')', end_of_file), t)
^  Fail: (248) [user] is_delimiter(t)
   Call: (248) [system] ')'==t
   Fail: (248) [system] ')'==t
   Call: (248) [system] get_char((0x563acd73bee0), t)
   Exit: (248) [system] get_char((0x563acd73bee0), t)
   Call: (248) [system] t=(\)
   Fail: (248) [system] t=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x563acd73bee0), _1818988)
   Call: (249) [system] peek_char((0x563acd73bee0), _1819922)
   Exit: (249) [system] peek_char((0x563acd73bee0), i)
^  Call: (249) [user] is_delimiter(i)
   Call: (250) [system] char_type(i, space)
   Fail: (250) [system] char_type(i, space)
   Call: (250) [system] arg(_1824642, v('(', ')', end_of_file), i)
   Fail: (250) [system] arg(_1825574, v('(', ')', end_of_file), i)
^  Fail: (249) [user] is_delimiter(i)
   Call: (249) [system] ')'==i
   Fail: (249) [system] ')'==i
   Call: (249) [system] get_char((0x563acd73bee0), i)
   Exit: (249) [system] get_char((0x563acd73bee0), i)
   Call: (249) [system] i=(\)
   Fail: (249) [system] i=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x563acd73bee0), _1832924)
   Call: (250) [system] peek_char((0x563acd73bee0), _1833858)
   Exit: (250) [system] peek_char((0x563acd73bee0), o)
^  Call: (250) [user] is_delimiter(o)
   Call: (251) [system] char_type(o, space)
   Fail: (251) [system] char_type(o, space)
   Call: (251) [system] arg(_1838578, v('(', ')', end_of_file), o)
   Fail: (251) [system] arg(_1839510, v('(', ')', end_of_file), o)
^  Fail: (250) [user] is_delimiter(o)
   Call: (250) [system] ')'==o
   Fail: (250) [system] ')'==o
   Call: (250) [system] get_char((0x563acd73bee0), o)
   Exit: (250) [system] get_char((0x563acd73bee0), o)
   Call: (250) [system] o=(\)
   Fail: (250) [system] o=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x563acd73bee0), _1846860)
   Call: (251) [system] peek_char((0x563acd73bee0), _1847794)
   Exit: (251) [system] peek_char((0x563acd73bee0), n)
^  Call: (251) [user] is_delimiter(n)
   Call: (252) [system] char_type(n, space)
   Fail: (252) [system] char_type(n, space)
   Call: (252) [system] arg(_1852514, v('(', ')', end_of_file), n)
   Fail: (252) [system] arg(_1853446, v('(', ')', end_of_file), n)
^  Fail: (251) [user] is_delimiter(n)
   Call: (251) [system] ')'==n
   Fail: (251) [system] ')'==n
   Call: (251) [system] get_char((0x563acd73bee0), n)
   Exit: (251) [system] get_char((0x563acd73bee0), n)
   Call: (251) [system] n=(\)
   Fail: (251) [system] n=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x563acd73bee0), _1860796)
   Call: (252) [system] peek_char((0x563acd73bee0), _1861730)
   Exit: (252) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (252) [user] is_delimiter(' ')
   Call: (253) [system] char_type(' ', space)
   Exit: (253) [system] char_type(' ', space)
^  Exit: (252) [user] is_delimiter(' ')
   Call: (252) [system] _1860796=[]
   Exit: (252) [system] []=[]
^  Exit: (251) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (251) [system] _1846860=[n]
   Exit: (251) [system] [n]=[n]
^  Exit: (250) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (250) [system] _1832924=[o, n]
   Exit: (250) [system] [o, n]=[o, n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (249) [system] _1818988=[i, o, n]
   Exit: (249) [system] [i, o, n]=[i, o, n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (248) [system] _1805052=[t, i, o, n]
   Exit: (248) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (247) [system] _1791116=[c, t, i, o, n]
   Exit: (247) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n])
   Call: (246) [system] _1777180=[u, c, t, i, o, n]
   Exit: (246) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, i, o, n])
   Call: (245) [system] _1763244=[d, u, c, t, i, o, n]
   Exit: (245) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, u, c, t, i, o, n])
   Call: (244) [system] _1749308=[o, d, u, c, t, i, o, n]
   Exit: (244) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, d, u, c, t, i, o, n])
   Call: (243) [system] _1735372=[r, o, d, u, c, t, i, o, n]
   Exit: (243) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, d, u, c, t, i, o, n])
   Call: (242) [system] _1721436=[t, r, o, d, u, c, t, i, o, n]
   Exit: (242) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, r, o, d, u, c, t, i, o, n])
   Call: (241) [system] _1707500=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (241) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (240) [system] _1693564=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (240) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x563acd73bee0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (239) [system] _1679628=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (238) [system] _1665692=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _1651756=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _1637820=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _1623884=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _1609948=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _1596012=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _1582076=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _1568140=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _1554204=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (229) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1518694)
^  Call: (230) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1932482)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_1933434, _1933436), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1932482), _1933416, fail)), '$restore_trace'(_1933434, _1933436))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_1933434, _1933436))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1932482), _1933416, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_1932482)
   Fail: (231) [system] atomic(_1932482)
   Call: (231) [system] atom_chars(_1932482, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (231) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (230) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (230) [system] integer('DisjunctionIntroduction')
   Fail: (230) [system] integer('DisjunctionIntroduction')
   Call: (230) [system] _1518694='DisjunctionIntroduction'
   Exit: (230) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (229) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (228) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'DisjunctionIntroduction')
^  Exit: (227) [user] cont_sexpr(')', (0x563acd73bee0), 'DisjunctionIntroduction')
^  Call: (227) [user] read_list(')', (0x563acd73bee0), _1947432)
^  Call: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] peek_char((0x563acd73bee0), _1949290)
   Exit: (229) [system] peek_char((0x563acd73bee0), ' ')
   Call: (229) [system] ' '=(;)
   Fail: (229) [system] ' '=(;)
   Call: (229) [system] ' '=(/)
   Fail: (229) [system] ' '=(/)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x563acd73bee0), _1958884)
   Exit: (229) [system] get_char((0x563acd73bee0), ' ')
^  Call: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (230) [system] peek_char((0x563acd73bee0), _1961588)
   Exit: (230) [system] peek_char((0x563acd73bee0), a)
   Call: (230) [system] a=(;)
   Fail: (230) [system] a=(;)
   Call: (230) [system] a=(/)
   Fail: (230) [system] a=(/)
^  Call: (230) [user] is_like_space(a)
   Call: (231) [system] char_type(a, 'white')
   Fail: (231) [system] char_type(a, 'white')
   Call: (231) [system] char_type(a, end_of_line)
   Fail: (231) [system] char_type(a, end_of_line)
   Call: (231) [system] char_type(a, space)
   Fail: (231) [system] char_type(a, space)
   Call: (231) [system] char_type(a, cntrl)
   Fail: (231) [system] char_type(a, cntrl)
^  Fail: (230) [user] is_like_space(a)
^  Exit: (229) [user] skip_spaces((0x563acd73bee0))
^  Exit: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _1978522)
   Exit: (228) [system] peek_char((0x563acd73bee0), a)
   Call: (228) [system] a=')'
   Fail: (228) [system] a=')'
   Call: (228) [system] a=end_of_file
   Fail: (228) [system] a=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x563acd73bee0), _1984092)
^  Call: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (230) [system] peek_char((0x563acd73bee0), _1985950)
   Exit: (230) [system] peek_char((0x563acd73bee0), a)
   Call: (230) [system] a=(;)
   Fail: (230) [system] a=(;)
   Call: (230) [system] a=(/)
   Fail: (230) [system] a=(/)
^  Call: (230) [user] is_like_space(a)
   Call: (231) [system] char_type(a, 'white')
   Fail: (231) [system] char_type(a, 'white')
   Call: (231) [system] char_type(a, end_of_line)
   Fail: (231) [system] char_type(a, end_of_line)
   Call: (231) [system] char_type(a, space)
   Fail: (231) [system] char_type(a, space)
   Call: (231) [system] char_type(a, cntrl)
   Fail: (231) [system] char_type(a, cntrl)
^  Fail: (230) [user] is_like_space(a)
^  Exit: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] get_char((0x563acd73bee0), _2001960)
   Exit: (229) [system] get_char((0x563acd73bee0), a)
   Call: (229) [system] a='('
   Fail: (229) [system] a='('
   Call: (229) [system] a='['
   Fail: (229) [system] a='['
   Call: (229) [system] a='{'
   Fail: (229) [system] a='{'
   Call: (229) [system] a='"'
   Fail: (229) [system] a='"'
   Call: (229) [system] a=!
   Fail: (229) [system] a=!
   Call: (229) [system] a='\''
   Fail: (229) [system] a='\''
   Call: (229) [system] a='`'
   Fail: (229) [system] a='`'
   Call: (229) [system] a=end_of_file
   Fail: (229) [system] a=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x563acd73bee0), a, _1984092)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _2019602)
   Call: (231) [system] peek_char((0x563acd73bee0), _2020536)
   Exit: (231) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _2019602=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (230) [user] classify_and_convert_charseq([a], _1984092)
^  Call: (231) [user] classify_and_convert_charseq_([a], _2029820)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_2030772, _2030774), once(user:catch(read_from_chars([a], _2029820), _2030754, fail)), '$restore_trace'(_2030772, _2030774))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_2030772, _2030774))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _2030754, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(a)
   Exit: (232) [system] atomic(a)
^  Exit: (231) [user] classify_and_convert_charseq_([a], a)
   Call: (231) [system] integer(a)
   Fail: (231) [system] integer(a)
   Call: (231) [system] _1984092=a
   Exit: (231) [system] a=a
^  Exit: (230) [user] classify_and_convert_charseq([a], a)
^  Exit: (229) [user] read_symbolic(')', (0x563acd73bee0), a, a)
^  Exit: (228) [user] cont_sexpr(')', (0x563acd73bee0), a)
^  Call: (228) [user] read_list(')', (0x563acd73bee0), _2042900)
^  Call: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (230) [system] peek_char((0x563acd73bee0), _2044758)
   Exit: (230) [system] peek_char((0x563acd73bee0), ' ')
   Call: (230) [system] ' '=(;)
   Fail: (230) [system] ' '=(;)
   Call: (230) [system] ' '=(/)
   Fail: (230) [system] ' '=(/)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x563acd73bee0), _2054352)
   Exit: (230) [system] get_char((0x563acd73bee0), ' ')
^  Call: (230) [user] skip_spaces((0x563acd73bee0))
   Call: (231) [system] peek_char((0x563acd73bee0), _2057056)
   Exit: (231) [system] peek_char((0x563acd73bee0), c)
   Call: (231) [system] c=(;)
   Fail: (231) [system] c=(;)
   Call: (231) [system] c=(/)
   Fail: (231) [system] c=(/)
^  Call: (231) [user] is_like_space(c)
   Call: (232) [system] char_type(c, 'white')
   Fail: (232) [system] char_type(c, 'white')
   Call: (232) [system] char_type(c, end_of_line)
   Fail: (232) [system] char_type(c, end_of_line)
   Call: (232) [system] char_type(c, space)
   Fail: (232) [system] char_type(c, space)
   Call: (232) [system] char_type(c, cntrl)
   Fail: (232) [system] char_type(c, cntrl)
^  Fail: (231) [user] is_like_space(c)
^  Exit: (230) [user] skip_spaces((0x563acd73bee0))
^  Exit: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] peek_char((0x563acd73bee0), _2073990)
   Exit: (229) [system] peek_char((0x563acd73bee0), c)
   Call: (229) [system] c=')'
   Fail: (229) [system] c=')'
   Call: (229) [system] c=end_of_file
   Fail: (229) [system] c=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x563acd73bee0), _2079560)
^  Call: (230) [user] skip_spaces((0x563acd73bee0))
   Call: (231) [system] peek_char((0x563acd73bee0), _2081418)
   Exit: (231) [system] peek_char((0x563acd73bee0), c)
   Call: (231) [system] c=(;)
   Fail: (231) [system] c=(;)
   Call: (231) [system] c=(/)
   Fail: (231) [system] c=(/)
^  Call: (231) [user] is_like_space(c)
   Call: (232) [system] char_type(c, 'white')
   Fail: (232) [system] char_type(c, 'white')
   Call: (232) [system] char_type(c, end_of_line)
   Fail: (232) [system] char_type(c, end_of_line)
   Call: (232) [system] char_type(c, space)
   Fail: (232) [system] char_type(c, space)
   Call: (232) [system] char_type(c, cntrl)
   Fail: (232) [system] char_type(c, cntrl)
^  Fail: (231) [user] is_like_space(c)
^  Exit: (230) [user] skip_spaces((0x563acd73bee0))
   Call: (230) [system] get_char((0x563acd73bee0), _7142)
   Exit: (230) [system] get_char((0x563acd73bee0), c)
   Call: (230) [system] c='('
   Fail: (230) [system] c='('
   Call: (230) [system] c='['
   Fail: (230) [system] c='['
   Call: (230) [system] c='{'
   Fail: (230) [system] c='{'
   Call: (230) [system] c='"'
   Fail: (230) [system] c='"'
   Call: (230) [system] c=!
   Fail: (230) [system] c=!
   Call: (230) [system] c='\''
   Fail: (230) [system] c='\''
   Call: (230) [system] c='`'
   Fail: (230) [system] c='`'
   Call: (230) [system] c=end_of_file
   Fail: (230) [system] c=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x563acd73bee0), c, _6506)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _24784)
   Call: (232) [system] peek_char((0x563acd73bee0), _25718)
   Exit: (232) [system] peek_char((0x563acd73bee0), d)
^  Call: (232) [user] is_delimiter(d)
   Call: (233) [system] char_type(d, space)
   Fail: (233) [system] char_type(d, space)
   Call: (233) [system] arg(_30438, v('(', ')', end_of_file), d)
   Fail: (233) [system] arg(_31370, v('(', ')', end_of_file), d)
^  Fail: (232) [user] is_delimiter(d)
   Call: (232) [system] ')'==d
   Fail: (232) [system] ')'==d
   Call: (232) [system] get_char((0x563acd73bee0), d)
   Exit: (232) [system] get_char((0x563acd73bee0), d)
   Call: (232) [system] d=(\)
   Fail: (232) [system] d=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _38720)
   Call: (233) [system] peek_char((0x563acd73bee0), _39654)
   Exit: (233) [system] peek_char((0x563acd73bee0), e)
^  Call: (233) [user] is_delimiter(e)
   Call: (234) [system] char_type(e, space)
   Fail: (234) [system] char_type(e, space)
   Call: (234) [system] arg(_44374, v('(', ')', end_of_file), e)
   Fail: (234) [system] arg(_45306, v('(', ')', end_of_file), e)
^  Fail: (233) [user] is_delimiter(e)
   Call: (233) [system] ')'==e
   Fail: (233) [system] ')'==e
   Call: (233) [system] get_char((0x563acd73bee0), e)
   Exit: (233) [system] get_char((0x563acd73bee0), e)
   Call: (233) [system] e=(\)
   Fail: (233) [system] e=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), _52656)
   Call: (234) [system] peek_char((0x563acd73bee0), _53590)
   Exit: (234) [system] peek_char((0x563acd73bee0), ')')
^  Call: (234) [user] is_delimiter(')')
   Call: (235) [system] char_type(')', space)
   Fail: (235) [system] char_type(')', space)
   Call: (235) [system] arg(_58310, v('(', ')', end_of_file), ')')
   Exit: (235) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (234) [user] is_delimiter(')')
   Call: (234) [system] _52656=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (233) [system] _38720=[e]
   Exit: (233) [system] [e]=[e]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [e])
   Call: (232) [system] _24784=[d, e]
   Exit: (232) [system] [d, e]=[d, e]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, e])
^  Call: (231) [user] classify_and_convert_charseq([c, d, e], _6506)
^  Call: (232) [user] classify_and_convert_charseq_([c, d, e], _70334)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_71286, _71288), once(user:catch(read_from_chars([c, d, e], _70334), _71268, fail)), '$restore_trace'(_71286, _71288))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_71286, _71288))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _71268, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(cde)
   Exit: (233) [system] atomic(cde)
^  Exit: (232) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (232) [system] integer(cde)
   Fail: (232) [system] integer(cde)
   Call: (232) [system] _6506=cde
   Exit: (232) [system] cde=cde
^  Exit: (231) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (230) [user] read_symbolic(')', (0x563acd73bee0), c, cde)
^  Exit: (229) [user] cont_sexpr(')', (0x563acd73bee0), cde)
^  Call: (229) [user] read_list(')', (0x563acd73bee0), _83414)
^  Call: (230) [user] skip_spaces((0x563acd73bee0))
   Call: (231) [system] peek_char((0x563acd73bee0), _85272)
   Exit: (231) [system] peek_char((0x563acd73bee0), ')')
   Call: (231) [system] ')'=(;)
   Fail: (231) [system] ')'=(;)
   Call: (231) [system] ')'=(/)
   Fail: (231) [system] ')'=(/)
^  Call: (231) [user] is_like_space(')')
   Call: (232) [system] char_type(')', 'white')
   Fail: (232) [system] char_type(')', 'white')
   Call: (232) [system] char_type(')', end_of_line)
   Fail: (232) [system] char_type(')', end_of_line)
   Call: (232) [system] char_type(')', space)
   Fail: (232) [system] char_type(')', space)
   Call: (232) [system] char_type(')', cntrl)
   Fail: (232) [system] char_type(')', cntrl)
^  Fail: (231) [user] is_like_space(')')
^  Exit: (230) [user] skip_spaces((0x563acd73bee0))
   Call: (230) [system] peek_char((0x563acd73bee0), _101282)
   Exit: (230) [system] peek_char((0x563acd73bee0), ')')
   Call: (230) [system] ')'=')'
   Exit: (230) [system] ')'=')'
   Call: (230) [system] get_char((0x563acd73bee0), _105072)
   Exit: (230) [system] get_char((0x563acd73bee0), ')')
   Call: (230) [system] _83414=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_list(')', (0x563acd73bee0), [])
   Call: (229) [system] _6502=[cde]
   Exit: (229) [system] [cde]=[cde]
^  Exit: (228) [user] read_list(')', (0x563acd73bee0), [cde])
   Call: (228) [system] _6496=[a, cde]
   Exit: (228) [system] [a, cde]=[a, cde]
^  Exit: (227) [user] read_list(')', (0x563acd73bee0), [a, cde])
   Call: (227) [system] _6488=['DisjunctionIntroduction', a, cde]
   Exit: (227) [system] ['DisjunctionIntroduction', a, cde]=['DisjunctionIntroduction', a, cde]
^  Exit: (226) [user] read_list(')', (0x563acd73bee0), ['DisjunctionIntroduction', a, cde])
^  Exit: (225) [user] cont_sexpr(')', (0x563acd73bee0), ['DisjunctionIntroduction', a, cde])
^  Call: (225) [user] read_list(')', (0x563acd73bee0), _118954)
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _120812)
   Exit: (227) [system] peek_char((0x563acd73bee0), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
   Call: (227) [system] ' '=(/)
   Fail: (227) [system] ' '=(/)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x563acd73bee0), _130406)
   Exit: (227) [system] get_char((0x563acd73bee0), ' ')
^  Call: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _133110)
   Exit: (228) [system] peek_char((0x563acd73bee0), '(')
   Call: (228) [system] '('=(;)
   Fail: (228) [system] '('=(;)
   Call: (228) [system] '('=(/)
   Fail: (228) [system] '('=(/)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Fail: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Fail: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Fail: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
   Fail: (229) [system] char_type('(', cntrl)
^  Fail: (228) [user] is_like_space('(')
^  Exit: (227) [user] skip_spaces((0x563acd73bee0))
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _150044)
   Exit: (226) [system] peek_char((0x563acd73bee0), '(')
   Call: (226) [system] '('=')'
   Fail: (226) [system] '('=')'
   Call: (226) [system] '('=end_of_file
   Fail: (226) [system] '('=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x563acd73bee0), _155614)
^  Call: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _157472)
   Exit: (228) [system] peek_char((0x563acd73bee0), '(')
   Call: (228) [system] '('=(;)
   Fail: (228) [system] '('=(;)
   Call: (228) [system] '('=(/)
   Fail: (228) [system] '('=(/)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Fail: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Fail: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Fail: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
   Fail: (229) [system] char_type('(', cntrl)
^  Fail: (228) [user] is_like_space('(')
^  Exit: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] get_char((0x563acd73bee0), _173482)
   Exit: (227) [system] get_char((0x563acd73bee0), '(')
   Call: (227) [system] '('='('
   Exit: (227) [system] '('='('
^  Call: (227) [user] read_list(')', (0x563acd73bee0), _155614)
^  Call: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] peek_char((0x563acd73bee0), _179052)
   Exit: (229) [system] peek_char((0x563acd73bee0), 'O')
   Call: (229) [system] 'O'=(;)
   Fail: (229) [system] 'O'=(;)
   Call: (229) [system] 'O'=(/)
   Fail: (229) [system] 'O'=(/)
^  Call: (229) [user] is_like_space('O')
   Call: (230) [system] char_type('O', 'white')
   Fail: (230) [system] char_type('O', 'white')
   Call: (230) [system] char_type('O', end_of_line)
   Fail: (230) [system] char_type('O', end_of_line)
   Call: (230) [system] char_type('O', space)
   Fail: (230) [system] char_type('O', space)
   Call: (230) [system] char_type('O', cntrl)
   Fail: (230) [system] char_type('O', cntrl)
^  Fail: (229) [user] is_like_space('O')
^  Exit: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _195062)
   Exit: (228) [system] peek_char((0x563acd73bee0), 'O')
   Call: (228) [system] 'O'=')'
   Fail: (228) [system] 'O'=')'
   Call: (228) [system] 'O'=end_of_file
   Fail: (228) [system] 'O'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x563acd73bee0), _200632)
^  Call: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (230) [system] peek_char((0x563acd73bee0), _202490)
   Exit: (230) [system] peek_char((0x563acd73bee0), 'O')
   Call: (230) [system] 'O'=(;)
   Fail: (230) [system] 'O'=(;)
   Call: (230) [system] 'O'=(/)
   Fail: (230) [system] 'O'=(/)
^  Call: (230) [user] is_like_space('O')
   Call: (231) [system] char_type('O', 'white')
   Fail: (231) [system] char_type('O', 'white')
   Call: (231) [system] char_type('O', end_of_line)
   Fail: (231) [system] char_type('O', end_of_line)
   Call: (231) [system] char_type('O', space)
   Fail: (231) [system] char_type('O', space)
   Call: (231) [system] char_type('O', cntrl)
   Fail: (231) [system] char_type('O', cntrl)
^  Fail: (230) [user] is_like_space('O')
^  Exit: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] get_char((0x563acd73bee0), _218500)
   Exit: (229) [system] get_char((0x563acd73bee0), 'O')
   Call: (229) [system] 'O'='('
   Fail: (229) [system] 'O'='('
   Call: (229) [system] 'O'='['
   Fail: (229) [system] 'O'='['
   Call: (229) [system] 'O'='{'
   Fail: (229) [system] 'O'='{'
   Call: (229) [system] 'O'='"'
   Fail: (229) [system] 'O'='"'
   Call: (229) [system] 'O'=!
   Fail: (229) [system] 'O'=!
   Call: (229) [system] 'O'='\''
   Fail: (229) [system] 'O'='\''
   Call: (229) [system] 'O'='`'
   Fail: (229) [system] 'O'='`'
   Call: (229) [system] 'O'=end_of_file
   Fail: (229) [system] 'O'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x563acd73bee0), 'O', _200632)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _236142)
   Call: (231) [system] peek_char((0x563acd73bee0), _237076)
   Exit: (231) [system] peek_char((0x563acd73bee0), r)
^  Call: (231) [user] is_delimiter(r)
   Call: (232) [system] char_type(r, space)
   Fail: (232) [system] char_type(r, space)
   Call: (232) [system] arg(_241796, v('(', ')', end_of_file), r)
   Fail: (232) [system] arg(_242728, v('(', ')', end_of_file), r)
^  Fail: (231) [user] is_delimiter(r)
   Call: (231) [system] ')'==r
   Fail: (231) [system] ')'==r
   Call: (231) [system] get_char((0x563acd73bee0), r)
   Exit: (231) [system] get_char((0x563acd73bee0), r)
   Call: (231) [system] r=(\)
   Fail: (231) [system] r=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _250078)
   Call: (232) [system] peek_char((0x563acd73bee0), _251012)
   Exit: (232) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (232) [user] is_delimiter('L')
   Call: (233) [system] char_type('L', space)
   Fail: (233) [system] char_type('L', space)
   Call: (233) [system] arg(_255732, v('(', ')', end_of_file), 'L')
   Fail: (233) [system] arg(_256664, v('(', ')', end_of_file), 'L')
^  Fail: (232) [user] is_delimiter('L')
   Call: (232) [system] ')'=='L'
   Fail: (232) [system] ')'=='L'
   Call: (232) [system] get_char((0x563acd73bee0), 'L')
   Exit: (232) [system] get_char((0x563acd73bee0), 'L')
   Call: (232) [system] 'L'=(\)
   Fail: (232) [system] 'L'=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _264014)
   Call: (233) [system] peek_char((0x563acd73bee0), _264948)
   Exit: (233) [system] peek_char((0x563acd73bee0), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Fail: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_269668, v('(', ')', end_of_file), i)
   Fail: (234) [system] arg(_270600, v('(', ')', end_of_file), i)
^  Fail: (233) [user] is_delimiter(i)
   Call: (233) [system] ')'==i
   Fail: (233) [system] ')'==i
   Call: (233) [system] get_char((0x563acd73bee0), i)
   Exit: (233) [system] get_char((0x563acd73bee0), i)
   Call: (233) [system] i=(\)
   Fail: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), _277950)
   Call: (234) [system] peek_char((0x563acd73bee0), _278884)
   Exit: (234) [system] peek_char((0x563acd73bee0), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Fail: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_283604, v('(', ')', end_of_file), n)
   Fail: (235) [system] arg(_284536, v('(', ')', end_of_file), n)
^  Fail: (234) [user] is_delimiter(n)
   Call: (234) [system] ')'==n
   Fail: (234) [system] ')'==n
   Call: (234) [system] get_char((0x563acd73bee0), n)
   Exit: (234) [system] get_char((0x563acd73bee0), n)
   Call: (234) [system] n=(\)
   Fail: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), _291886)
   Call: (235) [system] peek_char((0x563acd73bee0), _292820)
   Exit: (235) [system] peek_char((0x563acd73bee0), k)
^  Call: (235) [user] is_delimiter(k)
   Call: (236) [system] char_type(k, space)
   Fail: (236) [system] char_type(k, space)
   Call: (236) [system] arg(_297540, v('(', ')', end_of_file), k)
   Fail: (236) [system] arg(_298472, v('(', ')', end_of_file), k)
^  Fail: (235) [user] is_delimiter(k)
   Call: (235) [system] ')'==k
   Fail: (235) [system] ')'==k
   Call: (235) [system] get_char((0x563acd73bee0), k)
   Exit: (235) [system] get_char((0x563acd73bee0), k)
   Call: (235) [system] k=(\)
   Fail: (235) [system] k=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), _305822)
   Call: (236) [system] peek_char((0x563acd73bee0), _306756)
   Exit: (236) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (236) [user] is_delimiter(' ')
   Call: (237) [system] char_type(' ', space)
   Exit: (237) [system] char_type(' ', space)
^  Exit: (236) [user] is_delimiter(' ')
   Call: (236) [system] _305822=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (235) [system] _291886=[k]
   Exit: (235) [system] [k]=[k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (234) [system] _277950=[n, k]
   Exit: (234) [system] [n, k]=[n, k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (233) [system] _264014=[i, n, k]
   Exit: (233) [system] [i, n, k]=[i, n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (232) [system] _250078=['L', i, n, k]
   Exit: (232) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (231) [system] _236142=[r, 'L', i, n, k]
   Exit: (231) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (230) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _200632)
^  Call: (231) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _330010)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_330962, _330964), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _330010), _330944, fail)), '$restore_trace'(_330962, _330964))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_330962, _330964))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _330010), _330944, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_330010)
   Fail: (232) [system] atomic(_330010)
   Call: (232) [system] atom_chars(_330010, ['O', r, 'L', i, n, k])
   Exit: (232) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (231) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (231) [system] integer('OrLink')
   Fail: (231) [system] integer('OrLink')
   Call: (231) [system] _200632='OrLink'
   Exit: (231) [system] 'OrLink'='OrLink'
^  Exit: (230) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (229) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (228) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (228) [user] read_list(')', (0x563acd73bee0), _344960)
^  Call: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (230) [system] peek_char((0x563acd73bee0), _346818)
   Exit: (230) [system] peek_char((0x563acd73bee0), ' ')
   Call: (230) [system] ' '=(;)
   Fail: (230) [system] ' '=(;)
   Call: (230) [system] ' '=(/)
   Fail: (230) [system] ' '=(/)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x563acd73bee0), _356412)
   Exit: (230) [system] get_char((0x563acd73bee0), ' ')
^  Call: (230) [user] skip_spaces((0x563acd73bee0))
   Call: (231) [system] peek_char((0x563acd73bee0), _359116)
   Exit: (231) [system] peek_char((0x563acd73bee0), 'B')
   Call: (231) [system] 'B'=(;)
   Fail: (231) [system] 'B'=(;)
   Call: (231) [system] 'B'=(/)
   Fail: (231) [system] 'B'=(/)
^  Call: (231) [user] is_like_space('B')
   Call: (232) [system] char_type('B', 'white')
   Fail: (232) [system] char_type('B', 'white')
   Call: (232) [system] char_type('B', end_of_line)
   Fail: (232) [system] char_type('B', end_of_line)
   Call: (232) [system] char_type('B', space)
   Fail: (232) [system] char_type('B', space)
   Call: (232) [system] char_type('B', cntrl)
   Fail: (232) [system] char_type('B', cntrl)
^  Fail: (231) [user] is_like_space('B')
^  Exit: (230) [user] skip_spaces((0x563acd73bee0))
^  Exit: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] peek_char((0x563acd73bee0), _376050)
   Exit: (229) [system] peek_char((0x563acd73bee0), 'B')
   Call: (229) [system] 'B'=')'
   Fail: (229) [system] 'B'=')'
   Call: (229) [system] 'B'=end_of_file
   Fail: (229) [system] 'B'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x563acd73bee0), _381620)
^  Call: (230) [user] skip_spaces((0x563acd73bee0))
   Call: (231) [system] peek_char((0x563acd73bee0), _383478)
   Exit: (231) [system] peek_char((0x563acd73bee0), 'B')
   Call: (231) [system] 'B'=(;)
   Fail: (231) [system] 'B'=(;)
   Call: (231) [system] 'B'=(/)
   Fail: (231) [system] 'B'=(/)
^  Call: (231) [user] is_like_space('B')
   Call: (232) [system] char_type('B', 'white')
   Fail: (232) [system] char_type('B', 'white')
   Call: (232) [system] char_type('B', end_of_line)
   Fail: (232) [system] char_type('B', end_of_line)
   Call: (232) [system] char_type('B', space)
   Fail: (232) [system] char_type('B', space)
   Call: (232) [system] char_type('B', cntrl)
   Fail: (232) [system] char_type('B', cntrl)
^  Fail: (231) [user] is_like_space('B')
^  Exit: (230) [user] skip_spaces((0x563acd73bee0))
   Call: (230) [system] get_char((0x563acd73bee0), _399488)
   Exit: (230) [system] get_char((0x563acd73bee0), 'B')
   Call: (230) [system] 'B'='('
   Fail: (230) [system] 'B'='('
   Call: (230) [system] 'B'='['
   Fail: (230) [system] 'B'='['
   Call: (230) [system] 'B'='{'
   Fail: (230) [system] 'B'='{'
   Call: (230) [system] 'B'='"'
   Fail: (230) [system] 'B'='"'
   Call: (230) [system] 'B'=!
   Fail: (230) [system] 'B'=!
   Call: (230) [system] 'B'='\''
   Fail: (230) [system] 'B'='\''
   Call: (230) [system] 'B'='`'
   Fail: (230) [system] 'B'='`'
   Call: (230) [system] 'B'=end_of_file
   Fail: (230) [system] 'B'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x563acd73bee0), 'B', _381620)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _417130)
   Call: (232) [system] peek_char((0x563acd73bee0), _418064)
   Exit: (232) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _417130=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (231) [user] classify_and_convert_charseq(['B'], _381620)
^  Call: (232) [user] classify_and_convert_charseq_(['B'], _427348)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_428300, _428302), once(user:catch(read_from_chars(['B'], _427348), _428282, fail)), '$restore_trace'(_428300, _428302))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_428300, _428302))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _427348), _428282, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(_427348)
   Fail: (233) [system] atomic(_427348)
   Call: (233) [system] atom_chars(_427348, ['B'])
   Exit: (233) [system] atom_chars('B', ['B'])
^  Exit: (232) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (232) [system] integer('B')
   Fail: (232) [system] integer('B')
   Call: (232) [system] _381620='B'
   Exit: (232) [system] 'B'='B'
^  Exit: (231) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (230) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (229) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (229) [user] read_list(')', (0x563acd73bee0), _442298)
^  Call: (230) [user] skip_spaces((0x563acd73bee0))
   Call: (231) [system] peek_char((0x563acd73bee0), _444156)
   Exit: (231) [system] peek_char((0x563acd73bee0), ' ')
   Call: (231) [system] ' '=(;)
   Fail: (231) [system] ' '=(;)
   Call: (231) [system] ' '=(/)
   Fail: (231) [system] ' '=(/)
^  Call: (231) [user] is_like_space(' ')
   Call: (232) [system] char_type(' ', 'white')
   Exit: (232) [system] char_type(' ', 'white')
^  Exit: (231) [user] is_like_space(' ')
   Call: (231) [system] get_char((0x563acd73bee0), _453750)
   Exit: (231) [system] get_char((0x563acd73bee0), ' ')
^  Call: (231) [user] skip_spaces((0x563acd73bee0))
   Call: (232) [system] peek_char((0x563acd73bee0), _456454)
   Exit: (232) [system] peek_char((0x563acd73bee0), '(')
   Call: (232) [system] '('=(;)
   Fail: (232) [system] '('=(;)
   Call: (232) [system] '('=(/)
   Fail: (232) [system] '('=(/)
^  Call: (232) [user] is_like_space('(')
   Call: (233) [system] char_type('(', 'white')
   Fail: (233) [system] char_type('(', 'white')
   Call: (233) [system] char_type('(', end_of_line)
   Fail: (233) [system] char_type('(', end_of_line)
   Call: (233) [system] char_type('(', space)
   Fail: (233) [system] char_type('(', space)
   Call: (233) [system] char_type('(', cntrl)
   Fail: (233) [system] char_type('(', cntrl)
^  Fail: (232) [user] is_like_space('(')
^  Exit: (231) [user] skip_spaces((0x563acd73bee0))
^  Exit: (230) [user] skip_spaces((0x563acd73bee0))
   Call: (230) [system] peek_char((0x563acd73bee0), _473388)
   Exit: (230) [system] peek_char((0x563acd73bee0), '(')
   Call: (230) [system] '('=')'
   Fail: (230) [system] '('=')'
   Call: (230) [system] '('=end_of_file
   Fail: (230) [system] '('=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x563acd73bee0), _478958)
^  Call: (231) [user] skip_spaces((0x563acd73bee0))
   Call: (232) [system] peek_char((0x563acd73bee0), _480816)
   Exit: (232) [system] peek_char((0x563acd73bee0), '(')
   Call: (232) [system] '('=(;)
   Fail: (232) [system] '('=(;)
   Call: (232) [system] '('=(/)
   Fail: (232) [system] '('=(/)
^  Call: (232) [user] is_like_space('(')
   Call: (233) [system] char_type('(', 'white')
   Fail: (233) [system] char_type('(', 'white')
   Call: (233) [system] char_type('(', end_of_line)
   Fail: (233) [system] char_type('(', end_of_line)
   Call: (233) [system] char_type('(', space)
   Fail: (233) [system] char_type('(', space)
   Call: (233) [system] char_type('(', cntrl)
   Fail: (233) [system] char_type('(', cntrl)
^  Fail: (232) [user] is_like_space('(')
^  Exit: (231) [user] skip_spaces((0x563acd73bee0))
   Call: (231) [system] get_char((0x563acd73bee0), _496826)
   Exit: (231) [system] get_char((0x563acd73bee0), '(')
   Call: (231) [system] '('='('
   Exit: (231) [system] '('='('
^  Call: (231) [user] read_list(')', (0x563acd73bee0), _478958)
^  Call: (232) [user] skip_spaces((0x563acd73bee0))
   Call: (233) [system] peek_char((0x563acd73bee0), _502396)
   Exit: (233) [system] peek_char((0x563acd73bee0), 'I')
   Call: (233) [system] 'I'=(;)
   Fail: (233) [system] 'I'=(;)
   Call: (233) [system] 'I'=(/)
   Fail: (233) [system] 'I'=(/)
^  Call: (233) [user] is_like_space('I')
   Call: (234) [system] char_type('I', 'white')
   Fail: (234) [system] char_type('I', 'white')
   Call: (234) [system] char_type('I', end_of_line)
   Fail: (234) [system] char_type('I', end_of_line)
   Call: (234) [system] char_type('I', space)
   Fail: (234) [system] char_type('I', space)
   Call: (234) [system] char_type('I', cntrl)
   Fail: (234) [system] char_type('I', cntrl)
^  Fail: (233) [user] is_like_space('I')
^  Exit: (232) [user] skip_spaces((0x563acd73bee0))
   Call: (232) [system] peek_char((0x563acd73bee0), _518406)
   Exit: (232) [system] peek_char((0x563acd73bee0), 'I')
   Call: (232) [system] 'I'=')'
   Fail: (232) [system] 'I'=')'
   Call: (232) [system] 'I'=end_of_file
   Fail: (232) [system] 'I'=end_of_file
^  Call: (232) [user] cont_sexpr(')', (0x563acd73bee0), _523976)
^  Call: (233) [user] skip_spaces((0x563acd73bee0))
   Call: (234) [system] peek_char((0x563acd73bee0), _525834)
   Exit: (234) [system] peek_char((0x563acd73bee0), 'I')
   Call: (234) [system] 'I'=(;)
   Fail: (234) [system] 'I'=(;)
   Call: (234) [system] 'I'=(/)
   Fail: (234) [system] 'I'=(/)
^  Call: (234) [user] is_like_space('I')
   Call: (235) [system] char_type('I', 'white')
   Fail: (235) [system] char_type('I', 'white')
   Call: (235) [system] char_type('I', end_of_line)
   Fail: (235) [system] char_type('I', end_of_line)
   Call: (235) [system] char_type('I', space)
   Fail: (235) [system] char_type('I', space)
   Call: (235) [system] char_type('I', cntrl)
   Fail: (235) [system] char_type('I', cntrl)
^  Fail: (234) [user] is_like_space('I')
^  Exit: (233) [user] skip_spaces((0x563acd73bee0))
   Call: (233) [system] get_char((0x563acd73bee0), _541844)
   Exit: (233) [system] get_char((0x563acd73bee0), 'I')
   Call: (233) [system] 'I'='('
   Fail: (233) [system] 'I'='('
   Call: (233) [system] 'I'='['
   Fail: (233) [system] 'I'='['
   Call: (233) [system] 'I'='{'
   Fail: (233) [system] 'I'='{'
   Call: (233) [system] 'I'='"'
   Fail: (233) [system] 'I'='"'
   Call: (233) [system] 'I'=!
   Fail: (233) [system] 'I'=!
   Call: (233) [system] 'I'='\''
   Fail: (233) [system] 'I'='\''
   Call: (233) [system] 'I'='`'
   Fail: (233) [system] 'I'='`'
   Call: (233) [system] 'I'=end_of_file
   Fail: (233) [system] 'I'=end_of_file
^  Call: (233) [user] read_symbolic(')', (0x563acd73bee0), 'I', _523976)
^  Call: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), _559486)
   Call: (235) [system] peek_char((0x563acd73bee0), _560420)
   Exit: (235) [system] peek_char((0x563acd73bee0), m)
^  Call: (235) [user] is_delimiter(m)
   Call: (236) [system] char_type(m, space)
   Fail: (236) [system] char_type(m, space)
   Call: (236) [system] arg(_565140, v('(', ')', end_of_file), m)
   Fail: (236) [system] arg(_566072, v('(', ')', end_of_file), m)
^  Fail: (235) [user] is_delimiter(m)
   Call: (235) [system] ')'==m
   Fail: (235) [system] ')'==m
   Call: (235) [system] get_char((0x563acd73bee0), m)
   Exit: (235) [system] get_char((0x563acd73bee0), m)
   Call: (235) [system] m=(\)
   Fail: (235) [system] m=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), _573422)
   Call: (236) [system] peek_char((0x563acd73bee0), _574356)
   Exit: (236) [system] peek_char((0x563acd73bee0), p)
^  Call: (236) [user] is_delimiter(p)
   Call: (237) [system] char_type(p, space)
   Fail: (237) [system] char_type(p, space)
   Call: (237) [system] arg(_579076, v('(', ')', end_of_file), p)
   Fail: (237) [system] arg(_580008, v('(', ')', end_of_file), p)
^  Fail: (236) [user] is_delimiter(p)
   Call: (236) [system] ')'==p
   Fail: (236) [system] ')'==p
   Call: (236) [system] get_char((0x563acd73bee0), p)
   Exit: (236) [system] get_char((0x563acd73bee0), p)
   Call: (236) [system] p=(\)
   Fail: (236) [system] p=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), _587358)
   Call: (237) [system] peek_char((0x563acd73bee0), _588292)
   Exit: (237) [system] peek_char((0x563acd73bee0), l)
^  Call: (237) [user] is_delimiter(l)
   Call: (238) [system] char_type(l, space)
   Fail: (238) [system] char_type(l, space)
   Call: (238) [system] arg(_593012, v('(', ')', end_of_file), l)
   Fail: (238) [system] arg(_593944, v('(', ')', end_of_file), l)
^  Fail: (237) [user] is_delimiter(l)
   Call: (237) [system] ')'==l
   Fail: (237) [system] ')'==l
   Call: (237) [system] get_char((0x563acd73bee0), l)
   Exit: (237) [system] get_char((0x563acd73bee0), l)
   Call: (237) [system] l=(\)
   Fail: (237) [system] l=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), _601294)
   Call: (238) [system] peek_char((0x563acd73bee0), _602228)
   Exit: (238) [system] peek_char((0x563acd73bee0), i)
^  Call: (238) [user] is_delimiter(i)
   Call: (239) [system] char_type(i, space)
   Fail: (239) [system] char_type(i, space)
   Call: (239) [system] arg(_606948, v('(', ')', end_of_file), i)
   Fail: (239) [system] arg(_607880, v('(', ')', end_of_file), i)
^  Fail: (238) [user] is_delimiter(i)
   Call: (238) [system] ')'==i
   Fail: (238) [system] ')'==i
   Call: (238) [system] get_char((0x563acd73bee0), i)
   Exit: (238) [system] get_char((0x563acd73bee0), i)
   Call: (238) [system] i=(\)
   Fail: (238) [system] i=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x563acd73bee0), _615230)
   Call: (239) [system] peek_char((0x563acd73bee0), _616164)
   Exit: (239) [system] peek_char((0x563acd73bee0), c)
^  Call: (239) [user] is_delimiter(c)
   Call: (240) [system] char_type(c, space)
   Fail: (240) [system] char_type(c, space)
   Call: (240) [system] arg(_620884, v('(', ')', end_of_file), c)
   Fail: (240) [system] arg(_621816, v('(', ')', end_of_file), c)
^  Fail: (239) [user] is_delimiter(c)
   Call: (239) [system] ')'==c
   Fail: (239) [system] ')'==c
   Call: (239) [system] get_char((0x563acd73bee0), c)
   Exit: (239) [system] get_char((0x563acd73bee0), c)
   Call: (239) [system] c=(\)
   Fail: (239) [system] c=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x563acd73bee0), _629166)
   Call: (240) [system] peek_char((0x563acd73bee0), _630100)
   Exit: (240) [system] peek_char((0x563acd73bee0), a)
^  Call: (240) [user] is_delimiter(a)
   Call: (241) [system] char_type(a, space)
   Fail: (241) [system] char_type(a, space)
   Call: (241) [system] arg(_634820, v('(', ')', end_of_file), a)
   Fail: (241) [system] arg(_635752, v('(', ')', end_of_file), a)
^  Fail: (240) [user] is_delimiter(a)
   Call: (240) [system] ')'==a
   Fail: (240) [system] ')'==a
   Call: (240) [system] get_char((0x563acd73bee0), a)
   Exit: (240) [system] get_char((0x563acd73bee0), a)
   Call: (240) [system] a=(\)
   Fail: (240) [system] a=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x563acd73bee0), _643102)
   Call: (241) [system] peek_char((0x563acd73bee0), _644036)
   Exit: (241) [system] peek_char((0x563acd73bee0), t)
^  Call: (241) [user] is_delimiter(t)
   Call: (242) [system] char_type(t, space)
   Fail: (242) [system] char_type(t, space)
   Call: (242) [system] arg(_648756, v('(', ')', end_of_file), t)
   Fail: (242) [system] arg(_649688, v('(', ')', end_of_file), t)
^  Fail: (241) [user] is_delimiter(t)
   Call: (241) [system] ')'==t
   Fail: (241) [system] ')'==t
   Call: (241) [system] get_char((0x563acd73bee0), t)
   Exit: (241) [system] get_char((0x563acd73bee0), t)
   Call: (241) [system] t=(\)
   Fail: (241) [system] t=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x563acd73bee0), _657038)
   Call: (242) [system] peek_char((0x563acd73bee0), _657972)
   Exit: (242) [system] peek_char((0x563acd73bee0), i)
^  Call: (242) [user] is_delimiter(i)
   Call: (243) [system] char_type(i, space)
   Fail: (243) [system] char_type(i, space)
   Call: (243) [system] arg(_662692, v('(', ')', end_of_file), i)
   Fail: (243) [system] arg(_663624, v('(', ')', end_of_file), i)
^  Fail: (242) [user] is_delimiter(i)
   Call: (242) [system] ')'==i
   Fail: (242) [system] ')'==i
   Call: (242) [system] get_char((0x563acd73bee0), i)
   Exit: (242) [system] get_char((0x563acd73bee0), i)
   Call: (242) [system] i=(\)
   Fail: (242) [system] i=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x563acd73bee0), _670974)
   Call: (243) [system] peek_char((0x563acd73bee0), _671908)
   Exit: (243) [system] peek_char((0x563acd73bee0), o)
^  Call: (243) [user] is_delimiter(o)
   Call: (244) [system] char_type(o, space)
   Fail: (244) [system] char_type(o, space)
   Call: (244) [system] arg(_676628, v('(', ')', end_of_file), o)
   Fail: (244) [system] arg(_677560, v('(', ')', end_of_file), o)
^  Fail: (243) [user] is_delimiter(o)
   Call: (243) [system] ')'==o
   Fail: (243) [system] ')'==o
   Call: (243) [system] get_char((0x563acd73bee0), o)
   Exit: (243) [system] get_char((0x563acd73bee0), o)
   Call: (243) [system] o=(\)
   Fail: (243) [system] o=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x563acd73bee0), _684910)
   Call: (244) [system] peek_char((0x563acd73bee0), _685844)
   Exit: (244) [system] peek_char((0x563acd73bee0), n)
^  Call: (244) [user] is_delimiter(n)
   Call: (245) [system] char_type(n, space)
   Fail: (245) [system] char_type(n, space)
   Call: (245) [system] arg(_690564, v('(', ')', end_of_file), n)
   Fail: (245) [system] arg(_691496, v('(', ')', end_of_file), n)
^  Fail: (244) [user] is_delimiter(n)
   Call: (244) [system] ')'==n
   Fail: (244) [system] ')'==n
   Call: (244) [system] get_char((0x563acd73bee0), n)
   Exit: (244) [system] get_char((0x563acd73bee0), n)
   Call: (244) [system] n=(\)
   Fail: (244) [system] n=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x563acd73bee0), _698846)
   Call: (245) [system] peek_char((0x563acd73bee0), _699780)
   Exit: (245) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (245) [user] is_delimiter(' ')
   Call: (246) [system] char_type(' ', space)
   Exit: (246) [system] char_type(' ', space)
^  Exit: (245) [user] is_delimiter(' ')
   Call: (245) [system] _698846=[]
   Exit: (245) [system] []=[]
^  Exit: (244) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (244) [system] _684910=[n]
   Exit: (244) [system] [n]=[n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (243) [system] _670974=[o, n]
   Exit: (243) [system] [o, n]=[o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (242) [system] _657038=[i, o, n]
   Exit: (242) [system] [i, o, n]=[i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (241) [system] _643102=[t, i, o, n]
   Exit: (241) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (240) [system] _629166=[a, t, i, o, n]
   Exit: (240) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (239) [system] _615230=[c, a, t, i, o, n]
   Exit: (239) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (238) [system] _601294=[i, c, a, t, i, o, n]
   Exit: (238) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (237) [system] _587358=[l, i, c, a, t, i, o, n]
   Exit: (237) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (236) [system] _573422=[p, l, i, c, a, t, i, o, n]
   Exit: (236) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (235) [system] _559486=[m, p, l, i, c, a, t, i, o, n]
   Exit: (235) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (234) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _523976)
^  Call: (235) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _737004)
^  Call: (237) [system] setup_call_cleanup('$notrace'(_737956, _737958), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _737004), _737938, fail)), '$restore_trace'(_737956, _737958))
^  Call: (238) [system] sig_atomic(system:'$notrace'(_737956, _737958))
^  Exit: (237) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _737004), _737938, fail)), system:'$restore_trace'(3, -1))
   Call: (236) [system] atomic(_737004)
   Fail: (236) [system] atomic(_737004)
   Call: (236) [system] atom_chars(_737004, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (236) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (235) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (235) [system] integer('Implication')
   Fail: (235) [system] integer('Implication')
   Call: (235) [system] _523976='Implication'
   Exit: (235) [system] 'Implication'='Implication'
^  Exit: (234) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (233) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (232) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (232) [user] read_list(')', (0x563acd73bee0), _751954)
^  Call: (233) [user] skip_spaces((0x563acd73bee0))
   Call: (234) [system] peek_char((0x563acd73bee0), _753812)
   Exit: (234) [system] peek_char((0x563acd73bee0), ' ')
   Call: (234) [system] ' '=(;)
   Fail: (234) [system] ' '=(;)
   Call: (234) [system] ' '=(/)
   Fail: (234) [system] ' '=(/)
^  Call: (234) [user] is_like_space(' ')
   Call: (235) [system] char_type(' ', 'white')
   Exit: (235) [system] char_type(' ', 'white')
^  Exit: (234) [user] is_like_space(' ')
   Call: (234) [system] get_char((0x563acd73bee0), _763406)
   Exit: (234) [system] get_char((0x563acd73bee0), ' ')
^  Call: (234) [user] skip_spaces((0x563acd73bee0))
   Call: (235) [system] peek_char((0x563acd73bee0), _766110)
   Exit: (235) [system] peek_char((0x563acd73bee0), '(')
   Call: (235) [system] '('=(;)
   Fail: (235) [system] '('=(;)
   Call: (235) [system] '('=(/)
   Fail: (235) [system] '('=(/)
^  Call: (235) [user] is_like_space('(')
   Call: (236) [system] char_type('(', 'white')
   Fail: (236) [system] char_type('(', 'white')
   Call: (236) [system] char_type('(', end_of_line)
   Fail: (236) [system] char_type('(', end_of_line)
   Call: (236) [system] char_type('(', space)
   Fail: (236) [system] char_type('(', space)
   Call: (236) [system] char_type('(', cntrl)
   Fail: (236) [system] char_type('(', cntrl)
^  Fail: (235) [user] is_like_space('(')
^  Exit: (234) [user] skip_spaces((0x563acd73bee0))
^  Exit: (233) [user] skip_spaces((0x563acd73bee0))
   Call: (233) [system] peek_char((0x563acd73bee0), _783044)
   Exit: (233) [system] peek_char((0x563acd73bee0), '(')
   Call: (233) [system] '('=')'
   Fail: (233) [system] '('=')'
   Call: (233) [system] '('=end_of_file
   Fail: (233) [system] '('=end_of_file
^  Call: (233) [user] cont_sexpr(')', (0x563acd73bee0), _788614)
^  Call: (234) [user] skip_spaces((0x563acd73bee0))
   Call: (235) [system] peek_char((0x563acd73bee0), _790472)
   Exit: (235) [system] peek_char((0x563acd73bee0), '(')
   Call: (235) [system] '('=(;)
   Fail: (235) [system] '('=(;)
   Call: (235) [system] '('=(/)
   Fail: (235) [system] '('=(/)
^  Call: (235) [user] is_like_space('(')
   Call: (236) [system] char_type('(', 'white')
   Fail: (236) [system] char_type('(', 'white')
   Call: (236) [system] char_type('(', end_of_line)
   Fail: (236) [system] char_type('(', end_of_line)
   Call: (236) [system] char_type('(', space)
   Fail: (236) [system] char_type('(', space)
   Call: (236) [system] char_type('(', cntrl)
   Fail: (236) [system] char_type('(', cntrl)
^  Fail: (235) [user] is_like_space('(')
^  Exit: (234) [user] skip_spaces((0x563acd73bee0))
   Call: (234) [system] get_char((0x563acd73bee0), _806482)
   Exit: (234) [system] get_char((0x563acd73bee0), '(')
   Call: (234) [system] '('='('
   Exit: (234) [system] '('='('
^  Call: (234) [user] read_list(')', (0x563acd73bee0), _788614)
^  Call: (235) [user] skip_spaces((0x563acd73bee0))
   Call: (236) [system] peek_char((0x563acd73bee0), _812052)
   Exit: (236) [system] peek_char((0x563acd73bee0), 'O')
   Call: (236) [system] 'O'=(;)
   Fail: (236) [system] 'O'=(;)
   Call: (236) [system] 'O'=(/)
   Fail: (236) [system] 'O'=(/)
^  Call: (236) [user] is_like_space('O')
   Call: (237) [system] char_type('O', 'white')
   Fail: (237) [system] char_type('O', 'white')
   Call: (237) [system] char_type('O', end_of_line)
   Fail: (237) [system] char_type('O', end_of_line)
   Call: (237) [system] char_type('O', space)
   Fail: (237) [system] char_type('O', space)
   Call: (237) [system] char_type('O', cntrl)
   Fail: (237) [system] char_type('O', cntrl)
^  Fail: (236) [user] is_like_space('O')
^  Exit: (235) [user] skip_spaces((0x563acd73bee0))
   Call: (235) [system] peek_char((0x563acd73bee0), _828062)
   Exit: (235) [system] peek_char((0x563acd73bee0), 'O')
   Call: (235) [system] 'O'=')'
   Fail: (235) [system] 'O'=')'
   Call: (235) [system] 'O'=end_of_file
   Fail: (235) [system] 'O'=end_of_file
^  Call: (235) [user] cont_sexpr(')', (0x563acd73bee0), _833632)
^  Call: (236) [user] skip_spaces((0x563acd73bee0))
   Call: (237) [system] peek_char((0x563acd73bee0), _835490)
   Exit: (237) [system] peek_char((0x563acd73bee0), 'O')
   Call: (237) [system] 'O'=(;)
   Fail: (237) [system] 'O'=(;)
   Call: (237) [system] 'O'=(/)
   Fail: (237) [system] 'O'=(/)
^  Call: (237) [user] is_like_space('O')
   Call: (238) [system] char_type('O', 'white')
   Fail: (238) [system] char_type('O', 'white')
   Call: (238) [system] char_type('O', end_of_line)
   Fail: (238) [system] char_type('O', end_of_line)
   Call: (238) [system] char_type('O', space)
   Fail: (238) [system] char_type('O', space)
   Call: (238) [system] char_type('O', cntrl)
   Fail: (238) [system] char_type('O', cntrl)
^  Fail: (237) [user] is_like_space('O')
^  Exit: (236) [user] skip_spaces((0x563acd73bee0))
   Call: (236) [system] get_char((0x563acd73bee0), _851500)
   Exit: (236) [system] get_char((0x563acd73bee0), 'O')
   Call: (236) [system] 'O'='('
   Fail: (236) [system] 'O'='('
   Call: (236) [system] 'O'='['
   Fail: (236) [system] 'O'='['
   Call: (236) [system] 'O'='{'
   Fail: (236) [system] 'O'='{'
   Call: (236) [system] 'O'='"'
   Fail: (236) [system] 'O'='"'
   Call: (236) [system] 'O'=!
   Fail: (236) [system] 'O'=!
   Call: (236) [system] 'O'='\''
   Fail: (236) [system] 'O'='\''
   Call: (236) [system] 'O'='`'
   Fail: (236) [system] 'O'='`'
   Call: (236) [system] 'O'=end_of_file
   Fail: (236) [system] 'O'=end_of_file
^  Call: (236) [user] read_symbolic(')', (0x563acd73bee0), 'O', _833632)
^  Call: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), _869142)
   Call: (238) [system] peek_char((0x563acd73bee0), _870076)
   Exit: (238) [system] peek_char((0x563acd73bee0), r)
^  Call: (238) [user] is_delimiter(r)
   Call: (239) [system] char_type(r, space)
   Fail: (239) [system] char_type(r, space)
   Call: (239) [system] arg(_874796, v('(', ')', end_of_file), r)
   Fail: (239) [system] arg(_875728, v('(', ')', end_of_file), r)
^  Fail: (238) [user] is_delimiter(r)
   Call: (238) [system] ')'==r
   Fail: (238) [system] ')'==r
   Call: (238) [system] get_char((0x563acd73bee0), r)
   Exit: (238) [system] get_char((0x563acd73bee0), r)
   Call: (238) [system] r=(\)
   Fail: (238) [system] r=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x563acd73bee0), _883078)
   Call: (239) [system] peek_char((0x563acd73bee0), _884012)
   Exit: (239) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (239) [user] is_delimiter('L')
   Call: (240) [system] char_type('L', space)
   Fail: (240) [system] char_type('L', space)
   Call: (240) [system] arg(_888732, v('(', ')', end_of_file), 'L')
   Fail: (240) [system] arg(_889664, v('(', ')', end_of_file), 'L')
^  Fail: (239) [user] is_delimiter('L')
   Call: (239) [system] ')'=='L'
   Fail: (239) [system] ')'=='L'
   Call: (239) [system] get_char((0x563acd73bee0), 'L')
   Exit: (239) [system] get_char((0x563acd73bee0), 'L')
   Call: (239) [system] 'L'=(\)
   Fail: (239) [system] 'L'=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x563acd73bee0), _897014)
   Call: (240) [system] peek_char((0x563acd73bee0), _897948)
   Exit: (240) [system] peek_char((0x563acd73bee0), i)
^  Call: (240) [user] is_delimiter(i)
   Call: (241) [system] char_type(i, space)
   Fail: (241) [system] char_type(i, space)
   Call: (241) [system] arg(_902668, v('(', ')', end_of_file), i)
   Fail: (241) [system] arg(_903600, v('(', ')', end_of_file), i)
^  Fail: (240) [user] is_delimiter(i)
   Call: (240) [system] ')'==i
   Fail: (240) [system] ')'==i
   Call: (240) [system] get_char((0x563acd73bee0), i)
   Exit: (240) [system] get_char((0x563acd73bee0), i)
   Call: (240) [system] i=(\)
   Fail: (240) [system] i=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x563acd73bee0), _910950)
   Call: (241) [system] peek_char((0x563acd73bee0), _911884)
   Exit: (241) [system] peek_char((0x563acd73bee0), n)
^  Call: (241) [user] is_delimiter(n)
   Call: (242) [system] char_type(n, space)
   Fail: (242) [system] char_type(n, space)
   Call: (242) [system] arg(_916604, v('(', ')', end_of_file), n)
   Fail: (242) [system] arg(_917536, v('(', ')', end_of_file), n)
^  Fail: (241) [user] is_delimiter(n)
   Call: (241) [system] ')'==n
   Fail: (241) [system] ')'==n
   Call: (241) [system] get_char((0x563acd73bee0), n)
   Exit: (241) [system] get_char((0x563acd73bee0), n)
   Call: (241) [system] n=(\)
   Fail: (241) [system] n=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x563acd73bee0), _924886)
   Call: (242) [system] peek_char((0x563acd73bee0), _925820)
   Exit: (242) [system] peek_char((0x563acd73bee0), k)
^  Call: (242) [user] is_delimiter(k)
   Call: (243) [system] char_type(k, space)
   Fail: (243) [system] char_type(k, space)
   Call: (243) [system] arg(_930540, v('(', ')', end_of_file), k)
   Fail: (243) [system] arg(_931472, v('(', ')', end_of_file), k)
^  Fail: (242) [user] is_delimiter(k)
   Call: (242) [system] ')'==k
   Fail: (242) [system] ')'==k
   Call: (242) [system] get_char((0x563acd73bee0), k)
   Exit: (242) [system] get_char((0x563acd73bee0), k)
   Call: (242) [system] k=(\)
   Fail: (242) [system] k=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x563acd73bee0), _938822)
   Call: (243) [system] peek_char((0x563acd73bee0), _939756)
   Exit: (243) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (243) [user] is_delimiter(' ')
   Call: (244) [system] char_type(' ', space)
   Exit: (244) [system] char_type(' ', space)
^  Exit: (243) [user] is_delimiter(' ')
   Call: (243) [system] _938822=[]
   Exit: (243) [system] []=[]
^  Exit: (242) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (242) [system] _924886=[k]
   Exit: (242) [system] [k]=[k]
^  Exit: (241) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (241) [system] _910950=[n, k]
   Exit: (241) [system] [n, k]=[n, k]
^  Exit: (240) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (240) [system] _897014=[i, n, k]
   Exit: (240) [system] [i, n, k]=[i, n, k]
^  Exit: (239) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (239) [system] _883078=['L', i, n, k]
   Exit: (239) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (238) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (238) [system] _869142=[r, 'L', i, n, k]
   Exit: (238) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (237) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _833632)
^  Call: (238) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _963010)
^  Call: (240) [system] setup_call_cleanup('$notrace'(_963962, _963964), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _963010), _963944, fail)), '$restore_trace'(_963962, _963964))
^  Call: (241) [system] sig_atomic(system:'$notrace'(_963962, _963964))
^  Exit: (240) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _963010), _963944, fail)), system:'$restore_trace'(3, -1))
   Call: (239) [system] atomic(_963010)
   Fail: (239) [system] atomic(_963010)
   Call: (239) [system] atom_chars(_963010, ['O', r, 'L', i, n, k])
   Exit: (239) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (238) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (238) [system] integer('OrLink')
   Fail: (238) [system] integer('OrLink')
   Call: (238) [system] _833632='OrLink'
   Exit: (238) [system] 'OrLink'='OrLink'
^  Exit: (237) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (236) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (235) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (235) [user] read_list(')', (0x563acd73bee0), _977960)
^  Call: (236) [user] skip_spaces((0x563acd73bee0))
   Call: (237) [system] peek_char((0x563acd73bee0), _979818)
   Exit: (237) [system] peek_char((0x563acd73bee0), ' ')
   Call: (237) [system] ' '=(;)
   Fail: (237) [system] ' '=(;)
   Call: (237) [system] ' '=(/)
   Fail: (237) [system] ' '=(/)
^  Call: (237) [user] is_like_space(' ')
   Call: (238) [system] char_type(' ', 'white')
   Exit: (238) [system] char_type(' ', 'white')
^  Exit: (237) [user] is_like_space(' ')
   Call: (237) [system] get_char((0x563acd73bee0), _989412)
   Exit: (237) [system] get_char((0x563acd73bee0), ' ')
^  Call: (237) [user] skip_spaces((0x563acd73bee0))
   Call: (238) [system] peek_char((0x563acd73bee0), _992116)
   Exit: (238) [system] peek_char((0x563acd73bee0), 'C')
   Call: (238) [system] 'C'=(;)
   Fail: (238) [system] 'C'=(;)
   Call: (238) [system] 'C'=(/)
   Fail: (238) [system] 'C'=(/)
^  Call: (238) [user] is_like_space('C')
   Call: (239) [system] char_type('C', 'white')
   Fail: (239) [system] char_type('C', 'white')
   Call: (239) [system] char_type('C', end_of_line)
   Fail: (239) [system] char_type('C', end_of_line)
   Call: (239) [system] char_type('C', space)
   Fail: (239) [system] char_type('C', space)
   Call: (239) [system] char_type('C', cntrl)
   Fail: (239) [system] char_type('C', cntrl)
^  Fail: (238) [user] is_like_space('C')
^  Exit: (237) [user] skip_spaces((0x563acd73bee0))
^  Exit: (236) [user] skip_spaces((0x563acd73bee0))
   Call: (236) [system] peek_char((0x563acd73bee0), _1009050)
   Exit: (236) [system] peek_char((0x563acd73bee0), 'C')
   Call: (236) [system] 'C'=')'
   Fail: (236) [system] 'C'=')'
   Call: (236) [system] 'C'=end_of_file
   Fail: (236) [system] 'C'=end_of_file
^  Call: (236) [user] cont_sexpr(')', (0x563acd73bee0), _1014620)
^  Call: (237) [user] skip_spaces((0x563acd73bee0))
   Call: (238) [system] peek_char((0x563acd73bee0), _1016478)
   Exit: (238) [system] peek_char((0x563acd73bee0), 'C')
   Call: (238) [system] 'C'=(;)
   Fail: (238) [system] 'C'=(;)
   Call: (238) [system] 'C'=(/)
   Fail: (238) [system] 'C'=(/)
^  Call: (238) [user] is_like_space('C')
   Call: (239) [system] char_type('C', 'white')
   Fail: (239) [system] char_type('C', 'white')
   Call: (239) [system] char_type('C', end_of_line)
   Fail: (239) [system] char_type('C', end_of_line)
   Call: (239) [system] char_type('C', space)
   Fail: (239) [system] char_type('C', space)
   Call: (239) [system] char_type('C', cntrl)
   Fail: (239) [system] char_type('C', cntrl)
^  Fail: (238) [user] is_like_space('C')
^  Exit: (237) [user] skip_spaces((0x563acd73bee0))
   Call: (237) [system] get_char((0x563acd73bee0), _1032488)
   Exit: (237) [system] get_char((0x563acd73bee0), 'C')
   Call: (237) [system] 'C'='('
   Fail: (237) [system] 'C'='('
   Call: (237) [system] 'C'='['
   Fail: (237) [system] 'C'='['
   Call: (237) [system] 'C'='{'
   Fail: (237) [system] 'C'='{'
   Call: (237) [system] 'C'='"'
   Fail: (237) [system] 'C'='"'
   Call: (237) [system] 'C'=!
   Fail: (237) [system] 'C'=!
   Call: (237) [system] 'C'='\''
   Fail: (237) [system] 'C'='\''
   Call: (237) [system] 'C'='`'
   Fail: (237) [system] 'C'='`'
   Call: (237) [system] 'C'=end_of_file
   Fail: (237) [system] 'C'=end_of_file
^  Call: (237) [user] read_symbolic(')', (0x563acd73bee0), 'C', _1014620)
^  Call: (238) [user] read_symbolic_cont(')', (0x563acd73bee0), _1050130)
   Call: (239) [system] peek_char((0x563acd73bee0), _1051064)
   Exit: (239) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (239) [user] is_delimiter(' ')
   Call: (240) [system] char_type(' ', space)
   Exit: (240) [system] char_type(' ', space)
^  Exit: (239) [user] is_delimiter(' ')
   Call: (239) [system] _1050130=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (238) [user] classify_and_convert_charseq(['C'], _1014620)
^  Call: (239) [user] classify_and_convert_charseq_(['C'], _1060348)
^  Call: (241) [system] setup_call_cleanup('$notrace'(_1061300, _1061302), once(user:catch(read_from_chars(['C'], _1060348), _1061282, fail)), '$restore_trace'(_1061300, _1061302))
^  Call: (242) [system] sig_atomic(system:'$notrace'(_1061300, _1061302))
^  Exit: (241) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1060348), _1061282, fail)), system:'$restore_trace'(3, -1))
   Call: (240) [system] atomic(_1060348)
   Fail: (240) [system] atomic(_1060348)
   Call: (240) [system] atom_chars(_1060348, ['C'])
   Exit: (240) [system] atom_chars('C', ['C'])
^  Exit: (239) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (239) [system] integer('C')
   Fail: (239) [system] integer('C')
   Call: (239) [system] _1014620='C'
   Exit: (239) [system] 'C'='C'
^  Exit: (238) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (237) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (236) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (236) [user] read_list(')', (0x563acd73bee0), _1075298)
^  Call: (237) [user] skip_spaces((0x563acd73bee0))
   Call: (238) [system] peek_char((0x563acd73bee0), _1077156)
   Exit: (238) [system] peek_char((0x563acd73bee0), ' ')
   Call: (238) [system] ' '=(;)
   Fail: (238) [system] ' '=(;)
   Call: (238) [system] ' '=(/)
   Fail: (238) [system] ' '=(/)
^  Call: (238) [user] is_like_space(' ')
   Call: (239) [system] char_type(' ', 'white')
   Exit: (239) [system] char_type(' ', 'white')
^  Exit: (238) [user] is_like_space(' ')
   Call: (238) [system] get_char((0x563acd73bee0), _1086750)
   Exit: (238) [system] get_char((0x563acd73bee0), ' ')
^  Call: (238) [user] skip_spaces((0x563acd73bee0))
   Call: (239) [system] peek_char((0x563acd73bee0), _1089454)
   Exit: (239) [system] peek_char((0x563acd73bee0), 'D')
   Call: (239) [system] 'D'=(;)
   Fail: (239) [system] 'D'=(;)
   Call: (239) [system] 'D'=(/)
   Fail: (239) [system] 'D'=(/)
^  Call: (239) [user] is_like_space('D')
   Call: (240) [system] char_type('D', 'white')
   Fail: (240) [system] char_type('D', 'white')
   Call: (240) [system] char_type('D', end_of_line)
   Fail: (240) [system] char_type('D', end_of_line)
   Call: (240) [system] char_type('D', space)
   Fail: (240) [system] char_type('D', space)
   Call: (240) [system] char_type('D', cntrl)
   Fail: (240) [system] char_type('D', cntrl)
^  Fail: (239) [user] is_like_space('D')
^  Exit: (238) [user] skip_spaces((0x563acd73bee0))
^  Exit: (237) [user] skip_spaces((0x563acd73bee0))
   Call: (237) [system] peek_char((0x563acd73bee0), _1106388)
   Exit: (237) [system] peek_char((0x563acd73bee0), 'D')
   Call: (237) [system] 'D'=')'
   Fail: (237) [system] 'D'=')'
   Call: (237) [system] 'D'=end_of_file
   Fail: (237) [system] 'D'=end_of_file
^  Call: (237) [user] cont_sexpr(')', (0x563acd73bee0), _1111958)
^  Call: (238) [user] skip_spaces((0x563acd73bee0))
   Call: (239) [system] peek_char((0x563acd73bee0), _1113816)
   Exit: (239) [system] peek_char((0x563acd73bee0), 'D')
   Call: (239) [system] 'D'=(;)
   Fail: (239) [system] 'D'=(;)
   Call: (239) [system] 'D'=(/)
   Fail: (239) [system] 'D'=(/)
^  Call: (239) [user] is_like_space('D')
   Call: (240) [system] char_type('D', 'white')
   Fail: (240) [system] char_type('D', 'white')
   Call: (240) [system] char_type('D', end_of_line)
   Fail: (240) [system] char_type('D', end_of_line)
   Call: (240) [system] char_type('D', space)
   Fail: (240) [system] char_type('D', space)
   Call: (240) [system] char_type('D', cntrl)
   Fail: (240) [system] char_type('D', cntrl)
^  Fail: (239) [user] is_like_space('D')
^  Exit: (238) [user] skip_spaces((0x563acd73bee0))
   Call: (238) [system] get_char((0x563acd73bee0), _1129826)
   Exit: (238) [system] get_char((0x563acd73bee0), 'D')
   Call: (238) [system] 'D'='('
   Fail: (238) [system] 'D'='('
   Call: (238) [system] 'D'='['
   Fail: (238) [system] 'D'='['
   Call: (238) [system] 'D'='{'
   Fail: (238) [system] 'D'='{'
   Call: (238) [system] 'D'='"'
   Fail: (238) [system] 'D'='"'
   Call: (238) [system] 'D'=!
   Fail: (238) [system] 'D'=!
   Call: (238) [system] 'D'='\''
   Fail: (238) [system] 'D'='\''
   Call: (238) [system] 'D'='`'
   Fail: (238) [system] 'D'='`'
   Call: (238) [system] 'D'=end_of_file
   Fail: (238) [system] 'D'=end_of_file
^  Call: (238) [user] read_symbolic(')', (0x563acd73bee0), 'D', _1111958)
^  Call: (239) [user] read_symbolic_cont(')', (0x563acd73bee0), _1147468)
   Call: (240) [system] peek_char((0x563acd73bee0), _1148402)
   Exit: (240) [system] peek_char((0x563acd73bee0), ')')
^  Call: (240) [user] is_delimiter(')')
   Call: (241) [system] char_type(')', space)
   Fail: (241) [system] char_type(')', space)
   Call: (241) [system] arg(_1153122, v('(', ')', end_of_file), ')')
   Exit: (241) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (240) [user] is_delimiter(')')
   Call: (240) [system] _1147468=[]
   Exit: (240) [system] []=[]
^  Exit: (239) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (239) [user] classify_and_convert_charseq(['D'], _1111958)
^  Call: (240) [user] classify_and_convert_charseq_(['D'], _1159558)
^  Call: (242) [system] setup_call_cleanup('$notrace'(_1160510, _1160512), once(user:catch(read_from_chars(['D'], _1159558), _1160492, fail)), '$restore_trace'(_1160510, _1160512))
^  Call: (243) [system] sig_atomic(system:'$notrace'(_1160510, _1160512))
^  Exit: (242) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1159558), _1160492, fail)), system:'$restore_trace'(3, -1))
   Call: (241) [system] atomic(_1159558)
   Fail: (241) [system] atomic(_1159558)
   Call: (241) [system] atom_chars(_1159558, ['D'])
   Exit: (241) [system] atom_chars('D', ['D'])
^  Exit: (240) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (240) [system] integer('D')
   Fail: (240) [system] integer('D')
   Call: (240) [system] _1111958='D'
   Exit: (240) [system] 'D'='D'
^  Exit: (239) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (238) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'D')
^  Exit: (237) [user] cont_sexpr(')', (0x563acd73bee0), 'D')
^  Call: (237) [user] read_list(')', (0x563acd73bee0), _1174508)
^  Call: (238) [user] skip_spaces((0x563acd73bee0))
   Call: (239) [system] peek_char((0x563acd73bee0), _1176366)
   Exit: (239) [system] peek_char((0x563acd73bee0), ')')
   Call: (239) [system] ')'=(;)
   Fail: (239) [system] ')'=(;)
   Call: (239) [system] ')'=(/)
   Fail: (239) [system] ')'=(/)
^  Call: (239) [user] is_like_space(')')
   Call: (240) [system] char_type(')', 'white')
   Fail: (240) [system] char_type(')', 'white')
   Call: (240) [system] char_type(')', end_of_line)
   Fail: (240) [system] char_type(')', end_of_line)
   Call: (240) [system] char_type(')', space)
   Fail: (240) [system] char_type(')', space)
   Call: (240) [system] char_type(')', cntrl)
   Fail: (240) [system] char_type(')', cntrl)
^  Fail: (239) [user] is_like_space(')')
^  Exit: (238) [user] skip_spaces((0x563acd73bee0))
   Call: (238) [system] peek_char((0x563acd73bee0), _1192376)
   Exit: (238) [system] peek_char((0x563acd73bee0), ')')
   Call: (238) [system] ')'=')'
   Exit: (238) [system] ')'=')'
   Call: (238) [system] get_char((0x563acd73bee0), _1196166)
   Exit: (238) [system] get_char((0x563acd73bee0), ')')
   Call: (238) [system] _1174508=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_list(')', (0x563acd73bee0), [])
   Call: (237) [system] _1075298=['D']
   Exit: (237) [system] ['D']=['D']
^  Exit: (236) [user] read_list(')', (0x563acd73bee0), ['D'])
   Call: (236) [system] _977960=['C', 'D']
   Exit: (236) [system] ['C', 'D']=['C', 'D']
^  Exit: (235) [user] read_list(')', (0x563acd73bee0), ['C', 'D'])
   Call: (235) [system] _788614=['OrLink', 'C', 'D']
   Exit: (235) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (234) [user] read_list(')', (0x563acd73bee0), ['OrLink', 'C', 'D'])
^  Exit: (233) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', 'C', 'D'])
^  Call: (233) [user] read_list(')', (0x563acd73bee0), _1210048)
^  Call: (234) [user] skip_spaces((0x563acd73bee0))
   Call: (235) [system] peek_char((0x563acd73bee0), _1211906)
   Exit: (235) [system] peek_char((0x563acd73bee0), ' ')
   Call: (235) [system] ' '=(;)
   Fail: (235) [system] ' '=(;)
   Call: (235) [system] ' '=(/)
   Fail: (235) [system] ' '=(/)
^  Call: (235) [user] is_like_space(' ')
   Call: (236) [system] char_type(' ', 'white')
   Exit: (236) [system] char_type(' ', 'white')
^  Exit: (235) [user] is_like_space(' ')
   Call: (235) [system] get_char((0x563acd73bee0), _1221500)
   Exit: (235) [system] get_char((0x563acd73bee0), ' ')
^  Call: (235) [user] skip_spaces((0x563acd73bee0))
   Call: (236) [system] peek_char((0x563acd73bee0), _1224204)
   Exit: (236) [system] peek_char((0x563acd73bee0), 'E')
   Call: (236) [system] 'E'=(;)
   Fail: (236) [system] 'E'=(;)
   Call: (236) [system] 'E'=(/)
   Fail: (236) [system] 'E'=(/)
^  Call: (236) [user] is_like_space('E')
   Call: (237) [system] char_type('E', 'white')
   Fail: (237) [system] char_type('E', 'white')
   Call: (237) [system] char_type('E', end_of_line)
   Fail: (237) [system] char_type('E', end_of_line)
   Call: (237) [system] char_type('E', space)
   Fail: (237) [system] char_type('E', space)
   Call: (237) [system] char_type('E', cntrl)
   Fail: (237) [system] char_type('E', cntrl)
^  Fail: (236) [user] is_like_space('E')
^  Exit: (235) [user] skip_spaces((0x563acd73bee0))
^  Exit: (234) [user] skip_spaces((0x563acd73bee0))
   Call: (234) [system] peek_char((0x563acd73bee0), _1241138)
   Exit: (234) [system] peek_char((0x563acd73bee0), 'E')
   Call: (234) [system] 'E'=')'
   Fail: (234) [system] 'E'=')'
   Call: (234) [system] 'E'=end_of_file
   Fail: (234) [system] 'E'=end_of_file
^  Call: (234) [user] cont_sexpr(')', (0x563acd73bee0), _1246708)
^  Call: (235) [user] skip_spaces((0x563acd73bee0))
   Call: (236) [system] peek_char((0x563acd73bee0), _1248566)
   Exit: (236) [system] peek_char((0x563acd73bee0), 'E')
   Call: (236) [system] 'E'=(;)
   Fail: (236) [system] 'E'=(;)
   Call: (236) [system] 'E'=(/)
   Fail: (236) [system] 'E'=(/)
^  Call: (236) [user] is_like_space('E')
   Call: (237) [system] char_type('E', 'white')
   Fail: (237) [system] char_type('E', 'white')
   Call: (237) [system] char_type('E', end_of_line)
   Fail: (237) [system] char_type('E', end_of_line)
   Call: (237) [system] char_type('E', space)
   Fail: (237) [system] char_type('E', space)
   Call: (237) [system] char_type('E', cntrl)
   Fail: (237) [system] char_type('E', cntrl)
^  Fail: (236) [user] is_like_space('E')
^  Exit: (235) [user] skip_spaces((0x563acd73bee0))
   Call: (235) [system] get_char((0x563acd73bee0), _1264576)
   Exit: (235) [system] get_char((0x563acd73bee0), 'E')
   Call: (235) [system] 'E'='('
   Fail: (235) [system] 'E'='('
   Call: (235) [system] 'E'='['
   Fail: (235) [system] 'E'='['
   Call: (235) [system] 'E'='{'
   Fail: (235) [system] 'E'='{'
   Call: (235) [system] 'E'='"'
   Fail: (235) [system] 'E'='"'
   Call: (235) [system] 'E'=!
   Fail: (235) [system] 'E'=!
   Call: (235) [system] 'E'='\''
   Fail: (235) [system] 'E'='\''
   Call: (235) [system] 'E'='`'
   Fail: (235) [system] 'E'='`'
   Call: (235) [system] 'E'=end_of_file
   Fail: (235) [system] 'E'=end_of_file
^  Call: (235) [user] read_symbolic(')', (0x563acd73bee0), 'E', _1246708)
^  Call: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), _1282218)
   Call: (237) [system] peek_char((0x563acd73bee0), _1283152)
   Exit: (237) [system] peek_char((0x563acd73bee0), ')')
^  Call: (237) [user] is_delimiter(')')
   Call: (238) [system] char_type(')', space)
   Fail: (238) [system] char_type(')', space)
   Call: (238) [system] arg(_1287872, v('(', ')', end_of_file), ')')
   Exit: (238) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (237) [user] is_delimiter(')')
   Call: (237) [system] _1282218=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (236) [user] classify_and_convert_charseq(['E'], _1246708)
^  Call: (237) [user] classify_and_convert_charseq_(['E'], _1294308)
^  Call: (239) [system] setup_call_cleanup('$notrace'(_1295260, _1295262), once(user:catch(read_from_chars(['E'], _1294308), _1295242, fail)), '$restore_trace'(_1295260, _1295262))
^  Call: (240) [system] sig_atomic(system:'$notrace'(_1295260, _1295262))
^  Exit: (239) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1294308), _1295242, fail)), system:'$restore_trace'(3, -1))
   Call: (238) [system] atomic(_1294308)
   Fail: (238) [system] atomic(_1294308)
   Call: (238) [system] atom_chars(_1294308, ['E'])
   Exit: (238) [system] atom_chars('E', ['E'])
^  Exit: (237) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (237) [system] integer('E')
   Fail: (237) [system] integer('E')
   Call: (237) [system] _1246708='E'
   Exit: (237) [system] 'E'='E'
^  Exit: (236) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (235) [user] read_symbolic(')', (0x563acd73bee0), 'E', 'E')
^  Exit: (234) [user] cont_sexpr(')', (0x563acd73bee0), 'E')
^  Call: (234) [user] read_list(')', (0x563acd73bee0), _1309258)
^  Call: (235) [user] skip_spaces((0x563acd73bee0))
   Call: (236) [system] peek_char((0x563acd73bee0), _1311116)
   Exit: (236) [system] peek_char((0x563acd73bee0), ')')
   Call: (236) [system] ')'=(;)
   Fail: (236) [system] ')'=(;)
   Call: (236) [system] ')'=(/)
   Fail: (236) [system] ')'=(/)
^  Call: (236) [user] is_like_space(')')
   Call: (237) [system] char_type(')', 'white')
   Fail: (237) [system] char_type(')', 'white')
   Call: (237) [system] char_type(')', end_of_line)
   Fail: (237) [system] char_type(')', end_of_line)
   Call: (237) [system] char_type(')', space)
   Fail: (237) [system] char_type(')', space)
   Call: (237) [system] char_type(')', cntrl)
   Fail: (237) [system] char_type(')', cntrl)
^  Fail: (236) [user] is_like_space(')')
^  Exit: (235) [user] skip_spaces((0x563acd73bee0))
   Call: (235) [system] peek_char((0x563acd73bee0), _1327126)
   Exit: (235) [system] peek_char((0x563acd73bee0), ')')
   Call: (235) [system] ')'=')'
   Exit: (235) [system] ')'=')'
   Call: (235) [system] get_char((0x563acd73bee0), _1330916)
   Exit: (235) [system] get_char((0x563acd73bee0), ')')
   Call: (235) [system] _1309258=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_list(')', (0x563acd73bee0), [])
   Call: (234) [system] _1210048=['E']
   Exit: (234) [system] ['E']=['E']
^  Exit: (233) [user] read_list(')', (0x563acd73bee0), ['E'])
   Call: (233) [system] _751954=[['OrLink', 'C', 'D'], 'E']
   Exit: (233) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (232) [user] read_list(')', (0x563acd73bee0), [['OrLink', 'C', 'D'], 'E'])
   Call: (232) [system] _478958=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (232) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (231) [user] read_list(')', (0x563acd73bee0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (230) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (230) [user] read_list(')', (0x563acd73bee0), _1344798)
^  Call: (231) [user] skip_spaces((0x563acd73bee0))
   Call: (232) [system] peek_char((0x563acd73bee0), _1346656)
   Exit: (232) [system] peek_char((0x563acd73bee0), ')')
   Call: (232) [system] ')'=(;)
   Fail: (232) [system] ')'=(;)
   Call: (232) [system] ')'=(/)
   Fail: (232) [system] ')'=(/)
^  Call: (232) [user] is_like_space(')')
   Call: (233) [system] char_type(')', 'white')
   Fail: (233) [system] char_type(')', 'white')
   Call: (233) [system] char_type(')', end_of_line)
   Fail: (233) [system] char_type(')', end_of_line)
   Call: (233) [system] char_type(')', space)
   Fail: (233) [system] char_type(')', space)
   Call: (233) [system] char_type(')', cntrl)
   Fail: (233) [system] char_type(')', cntrl)
^  Fail: (232) [user] is_like_space(')')
^  Exit: (231) [user] skip_spaces((0x563acd73bee0))
   Call: (231) [system] peek_char((0x563acd73bee0), _1362666)
   Exit: (231) [system] peek_char((0x563acd73bee0), ')')
   Call: (231) [system] ')'=')'
   Exit: (231) [system] ')'=')'
   Call: (231) [system] get_char((0x563acd73bee0), _1366456)
   Exit: (231) [system] get_char((0x563acd73bee0), ')')
   Call: (231) [system] _1344798=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_list(')', (0x563acd73bee0), [])
   Call: (230) [system] _442298=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (230) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (229) [user] read_list(')', (0x563acd73bee0), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (229) [system] _344960=['B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (229) [system] ['B', ['Implication', ['OrLink', 'C', 'D'], 'E']]=['B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (228) [user] read_list(')', (0x563acd73bee0), ['B', ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (228) [system] _155614=['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (228) [system] ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]=['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (227) [user] read_list(')', (0x563acd73bee0), ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (226) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (226) [user] read_list(')', (0x563acd73bee0), _1380338)
^  Call: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _1382196)
   Exit: (228) [system] peek_char((0x563acd73bee0), ')')
   Call: (228) [system] ')'=(;)
   Fail: (228) [system] ')'=(;)
   Call: (228) [system] ')'=(/)
   Fail: (228) [system] ')'=(/)
^  Call: (228) [user] is_like_space(')')
   Call: (229) [system] char_type(')', 'white')
   Fail: (229) [system] char_type(')', 'white')
   Call: (229) [system] char_type(')', end_of_line)
   Fail: (229) [system] char_type(')', end_of_line)
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] char_type(')', cntrl)
   Fail: (229) [system] char_type(')', cntrl)
^  Fail: (228) [user] is_like_space(')')
^  Exit: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _1398206)
   Exit: (227) [system] peek_char((0x563acd73bee0), ')')
   Call: (227) [system] ')'=')'
   Exit: (227) [system] ')'=')'
   Call: (227) [system] get_char((0x563acd73bee0), _1401996)
   Exit: (227) [system] get_char((0x563acd73bee0), ')')
   Call: (227) [system] _1380338=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_list(')', (0x563acd73bee0), [])
   Call: (226) [system] _118954=[['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (226) [system] [['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (225) [user] read_list(')', (0x563acd73bee0), [['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (225) [system] _6484=[['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (225) [system] [['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (224) [user] read_list(')', (0x563acd73bee0), [['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (224) [system] _6476=[:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (224) [system] [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (223) [user] read_list(')', (0x563acd73bee0), [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (222) [user] cont_sexpr(')', (0x563acd73bee0), [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (222) [user] read_list(')', (0x563acd73bee0), _1415878)
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _1417736)
   Exit: (224) [system] peek_char((0x563acd73bee0), '\n')
   Call: (224) [system] '\n'=(;)
   Fail: (224) [system] '\n'=(;)
   Call: (224) [system] '\n'=(/)
   Fail: (224) [system] '\n'=(/)
^  Call: (224) [user] is_like_space('\n')
   Call: (225) [system] char_type('\n', 'white')
   Fail: (225) [system] char_type('\n', 'white')
   Call: (225) [system] char_type('\n', end_of_line)
   Exit: (225) [system] char_type('\n', end_of_line)
^  Exit: (224) [user] is_like_space('\n')
   Call: (224) [system] get_char((0x563acd73bee0), _1429186)
   Exit: (224) [system] get_char((0x563acd73bee0), '\n')
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _1431890)
   Exit: (225) [system] peek_char((0x563acd73bee0), '\t')
   Call: (225) [system] '\t'=(;)
   Fail: (225) [system] '\t'=(;)
   Call: (225) [system] '\t'=(/)
   Fail: (225) [system] '\t'=(/)
^  Call: (225) [user] is_like_space('\t')
   Call: (226) [system] char_type('\t', 'white')
   Exit: (226) [system] char_type('\t', 'white')
^  Exit: (225) [user] is_like_space('\t')
   Call: (225) [system] get_char((0x563acd73bee0), _1441484)
   Exit: (225) [system] get_char((0x563acd73bee0), '\t')
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _1444188)
   Exit: (226) [system] peek_char((0x563acd73bee0), '\t')
   Call: (226) [system] '\t'=(;)
   Fail: (226) [system] '\t'=(;)
   Call: (226) [system] '\t'=(/)
   Fail: (226) [system] '\t'=(/)
^  Call: (226) [user] is_like_space('\t')
   Call: (227) [system] char_type('\t', 'white')
   Exit: (227) [system] char_type('\t', 'white')
^  Exit: (226) [user] is_like_space('\t')
   Call: (226) [system] get_char((0x563acd73bee0), _1453782)
   Exit: (226) [system] get_char((0x563acd73bee0), '\t')
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _1456486)
   Exit: (227) [system] peek_char((0x563acd73bee0), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
   Call: (227) [system] ' '=(/)
   Fail: (227) [system] ' '=(/)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x563acd73bee0), _1466080)
   Exit: (227) [system] get_char((0x563acd73bee0), ' ')
^  Call: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _1468784)
   Exit: (228) [system] peek_char((0x563acd73bee0), '(')
   Call: (228) [system] '('=(;)
   Fail: (228) [system] '('=(;)
   Call: (228) [system] '('=(/)
   Fail: (228) [system] '('=(/)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Fail: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Fail: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Fail: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
   Fail: (229) [system] char_type('(', cntrl)
^  Fail: (228) [user] is_like_space('(')
^  Exit: (227) [user] skip_spaces((0x563acd73bee0))
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _1488490)
   Exit: (223) [system] peek_char((0x563acd73bee0), '(')
   Call: (223) [system] '('=')'
   Fail: (223) [system] '('=')'
   Call: (223) [system] '('=end_of_file
   Fail: (223) [system] '('=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x563acd73bee0), _1494060)
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _1495918)
   Exit: (225) [system] peek_char((0x563acd73bee0), '(')
   Call: (225) [system] '('=(;)
   Fail: (225) [system] '('=(;)
   Call: (225) [system] '('=(/)
   Fail: (225) [system] '('=(/)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Fail: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Fail: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Fail: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
   Fail: (226) [system] char_type('(', cntrl)
^  Fail: (225) [user] is_like_space('(')
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] get_char((0x563acd73bee0), _1511928)
   Exit: (224) [system] get_char((0x563acd73bee0), '(')
   Call: (224) [system] '('='('
   Exit: (224) [system] '('='('
^  Call: (224) [user] read_list(')', (0x563acd73bee0), _1494060)
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _1517498)
   Exit: (226) [system] peek_char((0x563acd73bee0), :)
   Call: (226) [system] (:)=(;)
   Fail: (226) [system] (:)=(;)
   Call: (226) [system] (:)=(/)
   Fail: (226) [system] (:)=(/)
^  Call: (226) [user] is_like_space(:)
   Call: (227) [system] char_type(:, 'white')
   Fail: (227) [system] char_type(:, 'white')
   Call: (227) [system] char_type(:, end_of_line)
   Fail: (227) [system] char_type(:, end_of_line)
   Call: (227) [system] char_type(:, space)
   Fail: (227) [system] char_type(:, space)
   Call: (227) [system] char_type(:, cntrl)
   Fail: (227) [system] char_type(:, cntrl)
^  Fail: (226) [user] is_like_space(:)
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _1533508)
   Exit: (225) [system] peek_char((0x563acd73bee0), :)
   Call: (225) [system] (:)=')'
   Fail: (225) [system] (:)=')'
   Call: (225) [system] (:)=end_of_file
   Fail: (225) [system] (:)=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x563acd73bee0), _1539078)
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _1540936)
   Exit: (227) [system] peek_char((0x563acd73bee0), :)
   Call: (227) [system] (:)=(;)
   Fail: (227) [system] (:)=(;)
   Call: (227) [system] (:)=(/)
   Fail: (227) [system] (:)=(/)
^  Call: (227) [user] is_like_space(:)
   Call: (228) [system] char_type(:, 'white')
   Fail: (228) [system] char_type(:, 'white')
   Call: (228) [system] char_type(:, end_of_line)
   Fail: (228) [system] char_type(:, end_of_line)
   Call: (228) [system] char_type(:, space)
   Fail: (228) [system] char_type(:, space)
   Call: (228) [system] char_type(:, cntrl)
   Fail: (228) [system] char_type(:, cntrl)
^  Fail: (227) [user] is_like_space(:)
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] get_char((0x563acd73bee0), _1556946)
   Exit: (226) [system] get_char((0x563acd73bee0), :)
   Call: (226) [system] (:)='('
   Fail: (226) [system] (:)='('
   Call: (226) [system] (:)='['
   Fail: (226) [system] (:)='['
   Call: (226) [system] (:)='{'
   Fail: (226) [system] (:)='{'
   Call: (226) [system] (:)='"'
   Fail: (226) [system] (:)='"'
   Call: (226) [system] (:)=!
   Fail: (226) [system] (:)=!
   Call: (226) [system] (:)='\''
   Fail: (226) [system] (:)='\''
   Call: (226) [system] (:)='`'
   Fail: (226) [system] (:)='`'
   Call: (226) [system] (:)=end_of_file
   Fail: (226) [system] (:)=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x563acd73bee0), :, _1539078)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _1574588)
   Call: (228) [system] peek_char((0x563acd73bee0), _1575522)
   Exit: (228) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _1574588=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (227) [user] classify_and_convert_charseq([:], _1539078)
^  Call: (228) [user] classify_and_convert_charseq_([:], _1584806)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_1585758, _1585760), once(user:catch(read_from_chars([:], _1584806), _1585740, fail)), '$restore_trace'(_1585758, _1585760))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_1585758, _1585760))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1585740, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(:)
   Exit: (229) [system] atomic(:)
^  Exit: (228) [user] classify_and_convert_charseq_([:], :)
   Call: (228) [system] integer(:)
   Fail: (228) [system] integer(:)
   Call: (228) [system] _1539078=(:)
   Exit: (228) [system] (:)=(:)
^  Exit: (227) [user] classify_and_convert_charseq([:], :)
^  Exit: (226) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (225) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (225) [user] read_list(')', (0x563acd73bee0), _1597886)
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _1599744)
   Exit: (227) [system] peek_char((0x563acd73bee0), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
   Call: (227) [system] ' '=(/)
   Fail: (227) [system] ' '=(/)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x563acd73bee0), _1609338)
   Exit: (227) [system] get_char((0x563acd73bee0), ' ')
^  Call: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _1612042)
   Exit: (228) [system] peek_char((0x563acd73bee0), '(')
   Call: (228) [system] '('=(;)
   Fail: (228) [system] '('=(;)
   Call: (228) [system] '('=(/)
   Fail: (228) [system] '('=(/)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Fail: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Fail: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Fail: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
   Fail: (229) [system] char_type('(', cntrl)
^  Fail: (228) [user] is_like_space('(')
^  Exit: (227) [user] skip_spaces((0x563acd73bee0))
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _1628976)
   Exit: (226) [system] peek_char((0x563acd73bee0), '(')
   Call: (226) [system] '('=')'
   Fail: (226) [system] '('=')'
   Call: (226) [system] '('=end_of_file
   Fail: (226) [system] '('=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x563acd73bee0), _1634546)
^  Call: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _1636404)
   Exit: (228) [system] peek_char((0x563acd73bee0), '(')
   Call: (228) [system] '('=(;)
   Fail: (228) [system] '('=(;)
   Call: (228) [system] '('=(/)
   Fail: (228) [system] '('=(/)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Fail: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Fail: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Fail: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
   Fail: (229) [system] char_type('(', cntrl)
^  Fail: (228) [user] is_like_space('(')
^  Exit: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] get_char((0x563acd73bee0), _1652414)
   Exit: (227) [system] get_char((0x563acd73bee0), '(')
   Call: (227) [system] '('='('
   Exit: (227) [system] '('='('
^  Call: (227) [user] read_list(')', (0x563acd73bee0), _1634546)
^  Call: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] peek_char((0x563acd73bee0), _1657984)
   Exit: (229) [system] peek_char((0x563acd73bee0), 'D')
   Call: (229) [system] 'D'=(;)
   Fail: (229) [system] 'D'=(;)
   Call: (229) [system] 'D'=(/)
   Fail: (229) [system] 'D'=(/)
^  Call: (229) [user] is_like_space('D')
   Call: (230) [system] char_type('D', 'white')
   Fail: (230) [system] char_type('D', 'white')
   Call: (230) [system] char_type('D', end_of_line)
   Fail: (230) [system] char_type('D', end_of_line)
   Call: (230) [system] char_type('D', space)
   Fail: (230) [system] char_type('D', space)
   Call: (230) [system] char_type('D', cntrl)
   Fail: (230) [system] char_type('D', cntrl)
^  Fail: (229) [user] is_like_space('D')
^  Exit: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _1673994)
   Exit: (228) [system] peek_char((0x563acd73bee0), 'D')
   Call: (228) [system] 'D'=')'
   Fail: (228) [system] 'D'=')'
   Call: (228) [system] 'D'=end_of_file
   Fail: (228) [system] 'D'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x563acd73bee0), _1679564)
^  Call: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (230) [system] peek_char((0x563acd73bee0), _1681422)
   Exit: (230) [system] peek_char((0x563acd73bee0), 'D')
   Call: (230) [system] 'D'=(;)
   Fail: (230) [system] 'D'=(;)
   Call: (230) [system] 'D'=(/)
   Fail: (230) [system] 'D'=(/)
^  Call: (230) [user] is_like_space('D')
   Call: (231) [system] char_type('D', 'white')
   Fail: (231) [system] char_type('D', 'white')
   Call: (231) [system] char_type('D', end_of_line)
   Fail: (231) [system] char_type('D', end_of_line)
   Call: (231) [system] char_type('D', space)
   Fail: (231) [system] char_type('D', space)
   Call: (231) [system] char_type('D', cntrl)
   Fail: (231) [system] char_type('D', cntrl)
^  Fail: (230) [user] is_like_space('D')
^  Exit: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] get_char((0x563acd73bee0), _1697432)
   Exit: (229) [system] get_char((0x563acd73bee0), 'D')
   Call: (229) [system] 'D'='('
   Fail: (229) [system] 'D'='('
   Call: (229) [system] 'D'='['
   Fail: (229) [system] 'D'='['
   Call: (229) [system] 'D'='{'
   Fail: (229) [system] 'D'='{'
   Call: (229) [system] 'D'='"'
   Fail: (229) [system] 'D'='"'
   Call: (229) [system] 'D'=!
   Fail: (229) [system] 'D'=!
   Call: (229) [system] 'D'='\''
   Fail: (229) [system] 'D'='\''
   Call: (229) [system] 'D'='`'
   Fail: (229) [system] 'D'='`'
   Call: (229) [system] 'D'=end_of_file
   Fail: (229) [system] 'D'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x563acd73bee0), 'D', _1679564)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _1715074)
   Call: (231) [system] peek_char((0x563acd73bee0), _1716008)
   Exit: (231) [system] peek_char((0x563acd73bee0), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Fail: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_1720728, v('(', ')', end_of_file), i)
   Fail: (232) [system] arg(_1721660, v('(', ')', end_of_file), i)
^  Fail: (231) [user] is_delimiter(i)
   Call: (231) [system] ')'==i
   Fail: (231) [system] ')'==i
   Call: (231) [system] get_char((0x563acd73bee0), i)
   Exit: (231) [system] get_char((0x563acd73bee0), i)
   Call: (231) [system] i=(\)
   Fail: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _1729010)
   Call: (232) [system] peek_char((0x563acd73bee0), _1729944)
   Exit: (232) [system] peek_char((0x563acd73bee0), s)
^  Call: (232) [user] is_delimiter(s)
   Call: (233) [system] char_type(s, space)
   Fail: (233) [system] char_type(s, space)
   Call: (233) [system] arg(_1734664, v('(', ')', end_of_file), s)
   Fail: (233) [system] arg(_1735596, v('(', ')', end_of_file), s)
^  Fail: (232) [user] is_delimiter(s)
   Call: (232) [system] ')'==s
   Fail: (232) [system] ')'==s
   Call: (232) [system] get_char((0x563acd73bee0), s)
   Exit: (232) [system] get_char((0x563acd73bee0), s)
   Call: (232) [system] s=(\)
   Fail: (232) [system] s=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _1742946)
   Call: (233) [system] peek_char((0x563acd73bee0), _1743880)
   Exit: (233) [system] peek_char((0x563acd73bee0), j)
^  Call: (233) [user] is_delimiter(j)
   Call: (234) [system] char_type(j, space)
   Fail: (234) [system] char_type(j, space)
   Call: (234) [system] arg(_1748600, v('(', ')', end_of_file), j)
   Fail: (234) [system] arg(_1749532, v('(', ')', end_of_file), j)
^  Fail: (233) [user] is_delimiter(j)
   Call: (233) [system] ')'==j
   Fail: (233) [system] ')'==j
   Call: (233) [system] get_char((0x563acd73bee0), j)
   Exit: (233) [system] get_char((0x563acd73bee0), j)
   Call: (233) [system] j=(\)
   Fail: (233) [system] j=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), _1756882)
   Call: (234) [system] peek_char((0x563acd73bee0), _1757816)
   Exit: (234) [system] peek_char((0x563acd73bee0), u)
^  Call: (234) [user] is_delimiter(u)
   Call: (235) [system] char_type(u, space)
   Fail: (235) [system] char_type(u, space)
   Call: (235) [system] arg(_1762536, v('(', ')', end_of_file), u)
   Fail: (235) [system] arg(_1763468, v('(', ')', end_of_file), u)
^  Fail: (234) [user] is_delimiter(u)
   Call: (234) [system] ')'==u
   Fail: (234) [system] ')'==u
   Call: (234) [system] get_char((0x563acd73bee0), u)
   Exit: (234) [system] get_char((0x563acd73bee0), u)
   Call: (234) [system] u=(\)
   Fail: (234) [system] u=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), _1770818)
   Call: (235) [system] peek_char((0x563acd73bee0), _1771752)
   Exit: (235) [system] peek_char((0x563acd73bee0), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Fail: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_1776472, v('(', ')', end_of_file), n)
   Fail: (236) [system] arg(_1777404, v('(', ')', end_of_file), n)
^  Fail: (235) [user] is_delimiter(n)
   Call: (235) [system] ')'==n
   Fail: (235) [system] ')'==n
   Call: (235) [system] get_char((0x563acd73bee0), n)
   Exit: (235) [system] get_char((0x563acd73bee0), n)
   Call: (235) [system] n=(\)
   Fail: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), _1784754)
   Call: (236) [system] peek_char((0x563acd73bee0), _1785688)
   Exit: (236) [system] peek_char((0x563acd73bee0), c)
^  Call: (236) [user] is_delimiter(c)
   Call: (237) [system] char_type(c, space)
   Fail: (237) [system] char_type(c, space)
   Call: (237) [system] arg(_1790408, v('(', ')', end_of_file), c)
   Fail: (237) [system] arg(_1791340, v('(', ')', end_of_file), c)
^  Fail: (236) [user] is_delimiter(c)
   Call: (236) [system] ')'==c
   Fail: (236) [system] ')'==c
   Call: (236) [system] get_char((0x563acd73bee0), c)
   Exit: (236) [system] get_char((0x563acd73bee0), c)
   Call: (236) [system] c=(\)
   Fail: (236) [system] c=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), _1798690)
   Call: (237) [system] peek_char((0x563acd73bee0), _1799624)
   Exit: (237) [system] peek_char((0x563acd73bee0), t)
^  Call: (237) [user] is_delimiter(t)
   Call: (238) [system] char_type(t, space)
   Fail: (238) [system] char_type(t, space)
   Call: (238) [system] arg(_1804344, v('(', ')', end_of_file), t)
   Fail: (238) [system] arg(_1805276, v('(', ')', end_of_file), t)
^  Fail: (237) [user] is_delimiter(t)
   Call: (237) [system] ')'==t
   Fail: (237) [system] ')'==t
   Call: (237) [system] get_char((0x563acd73bee0), t)
   Exit: (237) [system] get_char((0x563acd73bee0), t)
   Call: (237) [system] t=(\)
   Fail: (237) [system] t=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), _1812626)
   Call: (238) [system] peek_char((0x563acd73bee0), _1813560)
   Exit: (238) [system] peek_char((0x563acd73bee0), i)
^  Call: (238) [user] is_delimiter(i)
   Call: (239) [system] char_type(i, space)
   Fail: (239) [system] char_type(i, space)
   Call: (239) [system] arg(_1818280, v('(', ')', end_of_file), i)
   Fail: (239) [system] arg(_1819212, v('(', ')', end_of_file), i)
^  Fail: (238) [user] is_delimiter(i)
   Call: (238) [system] ')'==i
   Fail: (238) [system] ')'==i
   Call: (238) [system] get_char((0x563acd73bee0), i)
   Exit: (238) [system] get_char((0x563acd73bee0), i)
   Call: (238) [system] i=(\)
   Fail: (238) [system] i=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x563acd73bee0), _1826562)
   Call: (239) [system] peek_char((0x563acd73bee0), _1827496)
   Exit: (239) [system] peek_char((0x563acd73bee0), o)
^  Call: (239) [user] is_delimiter(o)
   Call: (240) [system] char_type(o, space)
   Fail: (240) [system] char_type(o, space)
   Call: (240) [system] arg(_1832216, v('(', ')', end_of_file), o)
   Fail: (240) [system] arg(_1833148, v('(', ')', end_of_file), o)
^  Fail: (239) [user] is_delimiter(o)
   Call: (239) [system] ')'==o
   Fail: (239) [system] ')'==o
   Call: (239) [system] get_char((0x563acd73bee0), o)
   Exit: (239) [system] get_char((0x563acd73bee0), o)
   Call: (239) [system] o=(\)
   Fail: (239) [system] o=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x563acd73bee0), _1840498)
   Call: (240) [system] peek_char((0x563acd73bee0), _1841432)
   Exit: (240) [system] peek_char((0x563acd73bee0), n)
^  Call: (240) [user] is_delimiter(n)
   Call: (241) [system] char_type(n, space)
   Fail: (241) [system] char_type(n, space)
   Call: (241) [system] arg(_1846152, v('(', ')', end_of_file), n)
   Fail: (241) [system] arg(_1847084, v('(', ')', end_of_file), n)
^  Fail: (240) [user] is_delimiter(n)
   Call: (240) [system] ')'==n
   Fail: (240) [system] ')'==n
   Call: (240) [system] get_char((0x563acd73bee0), n)
   Exit: (240) [system] get_char((0x563acd73bee0), n)
   Call: (240) [system] n=(\)
   Fail: (240) [system] n=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x563acd73bee0), _1854434)
   Call: (241) [system] peek_char((0x563acd73bee0), _1855368)
   Exit: (241) [system] peek_char((0x563acd73bee0), 'I')
^  Call: (241) [user] is_delimiter('I')
   Call: (242) [system] char_type('I', space)
   Fail: (242) [system] char_type('I', space)
   Call: (242) [system] arg(_1860088, v('(', ')', end_of_file), 'I')
   Fail: (242) [system] arg(_1861020, v('(', ')', end_of_file), 'I')
^  Fail: (241) [user] is_delimiter('I')
   Call: (241) [system] ')'=='I'
   Fail: (241) [system] ')'=='I'
   Call: (241) [system] get_char((0x563acd73bee0), 'I')
   Exit: (241) [system] get_char((0x563acd73bee0), 'I')
   Call: (241) [system] 'I'=(\)
   Fail: (241) [system] 'I'=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x563acd73bee0), _1868370)
   Call: (242) [system] peek_char((0x563acd73bee0), _1869304)
   Exit: (242) [system] peek_char((0x563acd73bee0), n)
^  Call: (242) [user] is_delimiter(n)
   Call: (243) [system] char_type(n, space)
   Fail: (243) [system] char_type(n, space)
   Call: (243) [system] arg(_1874024, v('(', ')', end_of_file), n)
   Fail: (243) [system] arg(_1874956, v('(', ')', end_of_file), n)
^  Fail: (242) [user] is_delimiter(n)
   Call: (242) [system] ')'==n
   Fail: (242) [system] ')'==n
   Call: (242) [system] get_char((0x563acd73bee0), n)
   Exit: (242) [system] get_char((0x563acd73bee0), n)
   Call: (242) [system] n=(\)
   Fail: (242) [system] n=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x563acd73bee0), _1882306)
   Call: (243) [system] peek_char((0x563acd73bee0), _1883240)
   Exit: (243) [system] peek_char((0x563acd73bee0), t)
^  Call: (243) [user] is_delimiter(t)
   Call: (244) [system] char_type(t, space)
   Fail: (244) [system] char_type(t, space)
   Call: (244) [system] arg(_1887960, v('(', ')', end_of_file), t)
   Fail: (244) [system] arg(_1888892, v('(', ')', end_of_file), t)
^  Fail: (243) [user] is_delimiter(t)
   Call: (243) [system] ')'==t
   Fail: (243) [system] ')'==t
   Call: (243) [system] get_char((0x563acd73bee0), t)
   Exit: (243) [system] get_char((0x563acd73bee0), t)
   Call: (243) [system] t=(\)
   Fail: (243) [system] t=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x563acd73bee0), _1896242)
   Call: (244) [system] peek_char((0x563acd73bee0), _1897176)
   Exit: (244) [system] peek_char((0x563acd73bee0), r)
^  Call: (244) [user] is_delimiter(r)
   Call: (245) [system] char_type(r, space)
   Fail: (245) [system] char_type(r, space)
   Call: (245) [system] arg(_1901896, v('(', ')', end_of_file), r)
   Fail: (245) [system] arg(_1902828, v('(', ')', end_of_file), r)
^  Fail: (244) [user] is_delimiter(r)
   Call: (244) [system] ')'==r
   Fail: (244) [system] ')'==r
   Call: (244) [system] get_char((0x563acd73bee0), r)
   Exit: (244) [system] get_char((0x563acd73bee0), r)
   Call: (244) [system] r=(\)
   Fail: (244) [system] r=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x563acd73bee0), _1910178)
   Call: (245) [system] peek_char((0x563acd73bee0), _1911112)
   Exit: (245) [system] peek_char((0x563acd73bee0), o)
^  Call: (245) [user] is_delimiter(o)
   Call: (246) [system] char_type(o, space)
   Fail: (246) [system] char_type(o, space)
   Call: (246) [system] arg(_1915832, v('(', ')', end_of_file), o)
   Fail: (246) [system] arg(_1916764, v('(', ')', end_of_file), o)
^  Fail: (245) [user] is_delimiter(o)
   Call: (245) [system] ')'==o
   Fail: (245) [system] ')'==o
   Call: (245) [system] get_char((0x563acd73bee0), o)
   Exit: (245) [system] get_char((0x563acd73bee0), o)
   Call: (245) [system] o=(\)
   Fail: (245) [system] o=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x563acd73bee0), _1924114)
   Call: (246) [system] peek_char((0x563acd73bee0), _1925048)
   Exit: (246) [system] peek_char((0x563acd73bee0), d)
^  Call: (246) [user] is_delimiter(d)
   Call: (247) [system] char_type(d, space)
   Fail: (247) [system] char_type(d, space)
   Call: (247) [system] arg(_1929768, v('(', ')', end_of_file), d)
   Fail: (247) [system] arg(_1930700, v('(', ')', end_of_file), d)
^  Fail: (246) [user] is_delimiter(d)
   Call: (246) [system] ')'==d
   Fail: (246) [system] ')'==d
   Call: (246) [system] get_char((0x563acd73bee0), d)
   Exit: (246) [system] get_char((0x563acd73bee0), d)
   Call: (246) [system] d=(\)
   Fail: (246) [system] d=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x563acd73bee0), _1938050)
   Call: (247) [system] peek_char((0x563acd73bee0), _1938984)
   Exit: (247) [system] peek_char((0x563acd73bee0), u)
^  Call: (247) [user] is_delimiter(u)
   Call: (248) [system] char_type(u, space)
   Fail: (248) [system] char_type(u, space)
   Call: (248) [system] arg(_1943704, v('(', ')', end_of_file), u)
   Fail: (248) [system] arg(_1944636, v('(', ')', end_of_file), u)
^  Fail: (247) [user] is_delimiter(u)
   Call: (247) [system] ')'==u
   Fail: (247) [system] ')'==u
   Call: (247) [system] get_char((0x563acd73bee0), u)
   Exit: (247) [system] get_char((0x563acd73bee0), u)
   Call: (247) [system] u=(\)
   Fail: (247) [system] u=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x563acd73bee0), _1951986)
   Call: (248) [system] peek_char((0x563acd73bee0), _1952920)
   Exit: (248) [system] peek_char((0x563acd73bee0), c)
^  Call: (248) [user] is_delimiter(c)
   Call: (249) [system] char_type(c, space)
   Fail: (249) [system] char_type(c, space)
   Call: (249) [system] arg(_1957640, v('(', ')', end_of_file), c)
   Fail: (249) [system] arg(_1958572, v('(', ')', end_of_file), c)
^  Fail: (248) [user] is_delimiter(c)
   Call: (248) [system] ')'==c
   Fail: (248) [system] ')'==c
   Call: (248) [system] get_char((0x563acd73bee0), c)
   Exit: (248) [system] get_char((0x563acd73bee0), c)
   Call: (248) [system] c=(\)
   Fail: (248) [system] c=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x563acd73bee0), _1965922)
   Call: (249) [system] peek_char((0x563acd73bee0), _1966856)
   Exit: (249) [system] peek_char((0x563acd73bee0), t)
^  Call: (249) [user] is_delimiter(t)
   Call: (250) [system] char_type(t, space)
   Fail: (250) [system] char_type(t, space)
   Call: (250) [system] arg(_1971576, v('(', ')', end_of_file), t)
   Fail: (250) [system] arg(_1972508, v('(', ')', end_of_file), t)
^  Fail: (249) [user] is_delimiter(t)
   Call: (249) [system] ')'==t
   Fail: (249) [system] ')'==t
   Call: (249) [system] get_char((0x563acd73bee0), t)
   Exit: (249) [system] get_char((0x563acd73bee0), t)
   Call: (249) [system] t=(\)
   Fail: (249) [system] t=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x563acd73bee0), _1979858)
   Call: (250) [system] peek_char((0x563acd73bee0), _1980792)
   Exit: (250) [system] peek_char((0x563acd73bee0), i)
^  Call: (250) [user] is_delimiter(i)
   Call: (251) [system] char_type(i, space)
   Fail: (251) [system] char_type(i, space)
   Call: (251) [system] arg(_1985512, v('(', ')', end_of_file), i)
   Fail: (251) [system] arg(_1986444, v('(', ')', end_of_file), i)
^  Fail: (250) [user] is_delimiter(i)
   Call: (250) [system] ')'==i
   Fail: (250) [system] ')'==i
   Call: (250) [system] get_char((0x563acd73bee0), i)
   Exit: (250) [system] get_char((0x563acd73bee0), i)
   Call: (250) [system] i=(\)
   Fail: (250) [system] i=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x563acd73bee0), _1993794)
   Call: (251) [system] peek_char((0x563acd73bee0), _1994728)
   Exit: (251) [system] peek_char((0x563acd73bee0), o)
^  Call: (251) [user] is_delimiter(o)
   Call: (252) [system] char_type(o, space)
   Fail: (252) [system] char_type(o, space)
   Call: (252) [system] arg(_1999448, v('(', ')', end_of_file), o)
   Fail: (252) [system] arg(_2000380, v('(', ')', end_of_file), o)
^  Fail: (251) [user] is_delimiter(o)
   Call: (251) [system] ')'==o
   Fail: (251) [system] ')'==o
   Call: (251) [system] get_char((0x563acd73bee0), o)
   Exit: (251) [system] get_char((0x563acd73bee0), o)
   Call: (251) [system] o=(\)
   Fail: (251) [system] o=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x563acd73bee0), _2007730)
   Call: (252) [system] peek_char((0x563acd73bee0), _2008664)
   Exit: (252) [system] peek_char((0x563acd73bee0), n)
^  Call: (252) [user] is_delimiter(n)
   Call: (253) [system] char_type(n, space)
   Fail: (253) [system] char_type(n, space)
   Call: (253) [system] arg(_2013384, v('(', ')', end_of_file), n)
   Fail: (253) [system] arg(_2014316, v('(', ')', end_of_file), n)
^  Fail: (252) [user] is_delimiter(n)
   Call: (252) [system] ')'==n
   Fail: (252) [system] ')'==n
   Call: (252) [system] get_char((0x563acd73bee0), n)
   Exit: (252) [system] get_char((0x563acd73bee0), n)
   Call: (252) [system] n=(\)
   Fail: (252) [system] n=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x563acd73bee0), _2021666)
   Call: (253) [system] peek_char((0x563acd73bee0), _2022600)
   Exit: (253) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (253) [user] is_delimiter(' ')
   Call: (254) [system] char_type(' ', space)
   Exit: (254) [system] char_type(' ', space)
^  Exit: (253) [user] is_delimiter(' ')
   Call: (253) [system] _2021666=[]
   Exit: (253) [system] []=[]
^  Exit: (252) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (252) [system] _2007730=[n]
   Exit: (252) [system] [n]=[n]
^  Exit: (251) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (251) [system] _1993794=[o, n]
   Exit: (251) [system] [o, n]=[o, n]
^  Exit: (250) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (250) [system] _1979858=[i, o, n]
   Exit: (250) [system] [i, o, n]=[i, o, n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (249) [system] _1965922=[t, i, o, n]
   Exit: (249) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (248) [system] _1951986=[c, t, i, o, n]
   Exit: (248) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n])
   Call: (247) [system] _1938050=[u, c, t, i, o, n]
   Exit: (247) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, i, o, n])
   Call: (246) [system] _1924114=[d, u, c, t, i, o, n]
   Exit: (246) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, u, c, t, i, o, n])
   Call: (245) [system] _1910178=[o, d, u, c, t, i, o, n]
   Exit: (245) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, d, u, c, t, i, o, n])
   Call: (244) [system] _1896242=[r, o, d, u, c, t, i, o, n]
   Exit: (244) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, d, u, c, t, i, o, n])
   Call: (243) [system] _1882306=[t, r, o, d, u, c, t, i, o, n]
   Exit: (243) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, r, o, d, u, c, t, i, o, n])
   Call: (242) [system] _1868370=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (242) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (241) [system] _1854434=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (241) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x563acd73bee0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (240) [system] _1840498=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (240) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (239) [system] _1826562=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (238) [system] _1812626=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _1798690=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _1784754=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _1770818=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _1756882=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _1742946=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _1729010=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _1715074=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (230) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1679564)
^  Call: (231) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _2093352)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_2094304, _2094306), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _2093352), _2094286, fail)), '$restore_trace'(_2094304, _2094306))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_2094304, _2094306))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _6734), _6740, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_6734)
   Fail: (232) [system] atomic(_6734)
   Call: (232) [system] atom_chars(_6734, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (232) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (231) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (231) [system] integer('DisjunctionIntroduction')
   Fail: (231) [system] integer('DisjunctionIntroduction')
   Call: (231) [system] _6590='DisjunctionIntroduction'
   Exit: (231) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (230) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (229) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'DisjunctionIntroduction')
^  Exit: (228) [user] cont_sexpr(')', (0x563acd73bee0), 'DisjunctionIntroduction')
^  Call: (228) [user] read_list(')', (0x563acd73bee0), _18278)
^  Call: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (230) [system] peek_char((0x563acd73bee0), _20136)
   Exit: (230) [system] peek_char((0x563acd73bee0), ' ')
   Call: (230) [system] ' '=(;)
   Fail: (230) [system] ' '=(;)
   Call: (230) [system] ' '=(/)
   Fail: (230) [system] ' '=(/)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x563acd73bee0), _29730)
   Exit: (230) [system] get_char((0x563acd73bee0), ' ')
^  Call: (230) [user] skip_spaces((0x563acd73bee0))
   Call: (231) [system] peek_char((0x563acd73bee0), _32434)
   Exit: (231) [system] peek_char((0x563acd73bee0), a)
   Call: (231) [system] a=(;)
   Fail: (231) [system] a=(;)
   Call: (231) [system] a=(/)
   Fail: (231) [system] a=(/)
^  Call: (231) [user] is_like_space(a)
   Call: (232) [system] char_type(a, 'white')
   Fail: (232) [system] char_type(a, 'white')
   Call: (232) [system] char_type(a, end_of_line)
   Fail: (232) [system] char_type(a, end_of_line)
   Call: (232) [system] char_type(a, space)
   Fail: (232) [system] char_type(a, space)
   Call: (232) [system] char_type(a, cntrl)
   Fail: (232) [system] char_type(a, cntrl)
^  Fail: (231) [user] is_like_space(a)
^  Exit: (230) [user] skip_spaces((0x563acd73bee0))
^  Exit: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] peek_char((0x563acd73bee0), _49368)
   Exit: (229) [system] peek_char((0x563acd73bee0), a)
   Call: (229) [system] a=')'
   Fail: (229) [system] a=')'
   Call: (229) [system] a=end_of_file
   Fail: (229) [system] a=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x563acd73bee0), _54938)
^  Call: (230) [user] skip_spaces((0x563acd73bee0))
   Call: (231) [system] peek_char((0x563acd73bee0), _56796)
   Exit: (231) [system] peek_char((0x563acd73bee0), a)
   Call: (231) [system] a=(;)
   Fail: (231) [system] a=(;)
   Call: (231) [system] a=(/)
   Fail: (231) [system] a=(/)
^  Call: (231) [user] is_like_space(a)
   Call: (232) [system] char_type(a, 'white')
   Fail: (232) [system] char_type(a, 'white')
   Call: (232) [system] char_type(a, end_of_line)
   Fail: (232) [system] char_type(a, end_of_line)
   Call: (232) [system] char_type(a, space)
   Fail: (232) [system] char_type(a, space)
   Call: (232) [system] char_type(a, cntrl)
   Fail: (232) [system] char_type(a, cntrl)
^  Fail: (231) [user] is_like_space(a)
^  Exit: (230) [user] skip_spaces((0x563acd73bee0))
   Call: (230) [system] get_char((0x563acd73bee0), _72806)
   Exit: (230) [system] get_char((0x563acd73bee0), a)
   Call: (230) [system] a='('
   Fail: (230) [system] a='('
   Call: (230) [system] a='['
   Fail: (230) [system] a='['
   Call: (230) [system] a='{'
   Fail: (230) [system] a='{'
   Call: (230) [system] a='"'
   Fail: (230) [system] a='"'
   Call: (230) [system] a=!
   Fail: (230) [system] a=!
   Call: (230) [system] a='\''
   Fail: (230) [system] a='\''
   Call: (230) [system] a='`'
   Fail: (230) [system] a='`'
   Call: (230) [system] a=end_of_file
   Fail: (230) [system] a=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x563acd73bee0), a, _54938)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _90448)
   Call: (232) [system] peek_char((0x563acd73bee0), _91382)
   Exit: (232) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _90448=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (231) [user] classify_and_convert_charseq([a], _54938)
^  Call: (232) [user] classify_and_convert_charseq_([a], _100666)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_101618, _101620), once(user:catch(read_from_chars([a], _100666), _101600, fail)), '$restore_trace'(_101618, _101620))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_101618, _101620))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _101600, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(a)
   Exit: (233) [system] atomic(a)
^  Exit: (232) [user] classify_and_convert_charseq_([a], a)
   Call: (232) [system] integer(a)
   Fail: (232) [system] integer(a)
   Call: (232) [system] _54938=a
   Exit: (232) [system] a=a
^  Exit: (231) [user] classify_and_convert_charseq([a], a)
^  Exit: (230) [user] read_symbolic(')', (0x563acd73bee0), a, a)
^  Exit: (229) [user] cont_sexpr(')', (0x563acd73bee0), a)
^  Call: (229) [user] read_list(')', (0x563acd73bee0), _113746)
^  Call: (230) [user] skip_spaces((0x563acd73bee0))
   Call: (231) [system] peek_char((0x563acd73bee0), _115604)
   Exit: (231) [system] peek_char((0x563acd73bee0), ' ')
   Call: (231) [system] ' '=(;)
   Fail: (231) [system] ' '=(;)
   Call: (231) [system] ' '=(/)
   Fail: (231) [system] ' '=(/)
^  Call: (231) [user] is_like_space(' ')
   Call: (232) [system] char_type(' ', 'white')
   Exit: (232) [system] char_type(' ', 'white')
^  Exit: (231) [user] is_like_space(' ')
   Call: (231) [system] get_char((0x563acd73bee0), _125198)
   Exit: (231) [system] get_char((0x563acd73bee0), ' ')
^  Call: (231) [user] skip_spaces((0x563acd73bee0))
   Call: (232) [system] peek_char((0x563acd73bee0), _127902)
   Exit: (232) [system] peek_char((0x563acd73bee0), a)
   Call: (232) [system] a=(;)
   Fail: (232) [system] a=(;)
   Call: (232) [system] a=(/)
   Fail: (232) [system] a=(/)
^  Call: (232) [user] is_like_space(a)
   Call: (233) [system] char_type(a, 'white')
   Fail: (233) [system] char_type(a, 'white')
   Call: (233) [system] char_type(a, end_of_line)
   Fail: (233) [system] char_type(a, end_of_line)
   Call: (233) [system] char_type(a, space)
   Fail: (233) [system] char_type(a, space)
   Call: (233) [system] char_type(a, cntrl)
   Fail: (233) [system] char_type(a, cntrl)
^  Fail: (232) [user] is_like_space(a)
^  Exit: (231) [user] skip_spaces((0x563acd73bee0))
^  Exit: (230) [user] skip_spaces((0x563acd73bee0))
   Call: (230) [system] peek_char((0x563acd73bee0), _144836)
   Exit: (230) [system] peek_char((0x563acd73bee0), a)
   Call: (230) [system] a=')'
   Fail: (230) [system] a=')'
   Call: (230) [system] a=end_of_file
   Fail: (230) [system] a=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x563acd73bee0), _150406)
^  Call: (231) [user] skip_spaces((0x563acd73bee0))
   Call: (232) [system] peek_char((0x563acd73bee0), _152264)
   Exit: (232) [system] peek_char((0x563acd73bee0), a)
   Call: (232) [system] a=(;)
   Fail: (232) [system] a=(;)
   Call: (232) [system] a=(/)
   Fail: (232) [system] a=(/)
^  Call: (232) [user] is_like_space(a)
   Call: (233) [system] char_type(a, 'white')
   Fail: (233) [system] char_type(a, 'white')
   Call: (233) [system] char_type(a, end_of_line)
   Fail: (233) [system] char_type(a, end_of_line)
   Call: (233) [system] char_type(a, space)
   Fail: (233) [system] char_type(a, space)
   Call: (233) [system] char_type(a, cntrl)
   Fail: (233) [system] char_type(a, cntrl)
^  Fail: (232) [user] is_like_space(a)
^  Exit: (231) [user] skip_spaces((0x563acd73bee0))
   Call: (231) [system] get_char((0x563acd73bee0), _168274)
   Exit: (231) [system] get_char((0x563acd73bee0), a)
   Call: (231) [system] a='('
   Fail: (231) [system] a='('
   Call: (231) [system] a='['
   Fail: (231) [system] a='['
   Call: (231) [system] a='{'
   Fail: (231) [system] a='{'
   Call: (231) [system] a='"'
   Fail: (231) [system] a='"'
   Call: (231) [system] a=!
   Fail: (231) [system] a=!
   Call: (231) [system] a='\''
   Fail: (231) [system] a='\''
   Call: (231) [system] a='`'
   Fail: (231) [system] a='`'
   Call: (231) [system] a=end_of_file
   Fail: (231) [system] a=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x563acd73bee0), a, _150406)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _185916)
   Call: (233) [system] peek_char((0x563acd73bee0), _186850)
   Exit: (233) [system] peek_char((0x563acd73bee0), ')')
^  Call: (233) [user] is_delimiter(')')
   Call: (234) [system] char_type(')', space)
   Fail: (234) [system] char_type(')', space)
   Call: (234) [system] arg(_191570, v('(', ')', end_of_file), ')')
   Exit: (234) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (233) [user] is_delimiter(')')
   Call: (233) [system] _185916=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (232) [user] classify_and_convert_charseq([a], _150406)
^  Call: (233) [user] classify_and_convert_charseq_([a], _198006)
^  Call: (235) [system] setup_call_cleanup('$notrace'(_198958, _198960), once(user:catch(read_from_chars([a], _198006), _198940, fail)), '$restore_trace'(_198958, _198960))
^  Call: (236) [system] sig_atomic(system:'$notrace'(_198958, _198960))
^  Exit: (235) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _198940, fail)), system:'$restore_trace'(3, -1))
   Call: (234) [system] atomic(a)
   Exit: (234) [system] atomic(a)
^  Exit: (233) [user] classify_and_convert_charseq_([a], a)
   Call: (233) [system] integer(a)
   Fail: (233) [system] integer(a)
   Call: (233) [system] _150406=a
   Exit: (233) [system] a=a
^  Exit: (232) [user] classify_and_convert_charseq([a], a)
^  Exit: (231) [user] read_symbolic(')', (0x563acd73bee0), a, a)
^  Exit: (230) [user] cont_sexpr(')', (0x563acd73bee0), a)
^  Call: (230) [user] read_list(')', (0x563acd73bee0), _211086)
^  Call: (231) [user] skip_spaces((0x563acd73bee0))
   Call: (232) [system] peek_char((0x563acd73bee0), _212944)
   Exit: (232) [system] peek_char((0x563acd73bee0), ')')
   Call: (232) [system] ')'=(;)
   Fail: (232) [system] ')'=(;)
   Call: (232) [system] ')'=(/)
   Fail: (232) [system] ')'=(/)
^  Call: (232) [user] is_like_space(')')
   Call: (233) [system] char_type(')', 'white')
   Fail: (233) [system] char_type(')', 'white')
   Call: (233) [system] char_type(')', end_of_line)
   Fail: (233) [system] char_type(')', end_of_line)
   Call: (233) [system] char_type(')', space)
   Fail: (233) [system] char_type(')', space)
   Call: (233) [system] char_type(')', cntrl)
   Fail: (233) [system] char_type(')', cntrl)
^  Fail: (232) [user] is_like_space(')')
^  Exit: (231) [user] skip_spaces((0x563acd73bee0))
   Call: (231) [system] peek_char((0x563acd73bee0), _228954)
   Exit: (231) [system] peek_char((0x563acd73bee0), ')')
   Call: (231) [system] ')'=')'
   Exit: (231) [system] ')'=')'
   Call: (231) [system] get_char((0x563acd73bee0), _232744)
   Exit: (231) [system] get_char((0x563acd73bee0), ')')
   Call: (231) [system] _211086=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_list(')', (0x563acd73bee0), [])
   Call: (230) [system] _113746=[a]
   Exit: (230) [system] [a]=[a]
^  Exit: (229) [user] read_list(')', (0x563acd73bee0), [a])
   Call: (229) [system] _18278=[a, a]
   Exit: (229) [system] [a, a]=[a, a]
^  Exit: (228) [user] read_list(')', (0x563acd73bee0), [a, a])
   Call: (228) [system] _6584=['DisjunctionIntroduction', a, a]
   Exit: (228) [system] ['DisjunctionIntroduction', a, a]=['DisjunctionIntroduction', a, a]
^  Exit: (227) [user] read_list(')', (0x563acd73bee0), ['DisjunctionIntroduction', a, a])
^  Exit: (226) [user] cont_sexpr(')', (0x563acd73bee0), ['DisjunctionIntroduction', a, a])
^  Call: (226) [user] read_list(')', (0x563acd73bee0), _246626)
^  Call: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _248484)
   Exit: (228) [system] peek_char((0x563acd73bee0), ' ')
   Call: (228) [system] ' '=(;)
   Fail: (228) [system] ' '=(;)
   Call: (228) [system] ' '=(/)
   Fail: (228) [system] ' '=(/)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x563acd73bee0), _258078)
   Exit: (228) [system] get_char((0x563acd73bee0), ' ')
^  Call: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] peek_char((0x563acd73bee0), _260782)
   Exit: (229) [system] peek_char((0x563acd73bee0), '(')
   Call: (229) [system] '('=(;)
   Fail: (229) [system] '('=(;)
   Call: (229) [system] '('=(/)
   Fail: (229) [system] '('=(/)
^  Call: (229) [user] is_like_space('(')
   Call: (230) [system] char_type('(', 'white')
   Fail: (230) [system] char_type('(', 'white')
   Call: (230) [system] char_type('(', end_of_line)
   Fail: (230) [system] char_type('(', end_of_line)
   Call: (230) [system] char_type('(', space)
   Fail: (230) [system] char_type('(', space)
   Call: (230) [system] char_type('(', cntrl)
   Fail: (230) [system] char_type('(', cntrl)
^  Fail: (229) [user] is_like_space('(')
^  Exit: (228) [user] skip_spaces((0x563acd73bee0))
^  Exit: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _277716)
   Exit: (227) [system] peek_char((0x563acd73bee0), '(')
   Call: (227) [system] '('=')'
   Fail: (227) [system] '('=')'
   Call: (227) [system] '('=end_of_file
   Fail: (227) [system] '('=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x563acd73bee0), _283286)
^  Call: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] peek_char((0x563acd73bee0), _285144)
   Exit: (229) [system] peek_char((0x563acd73bee0), '(')
   Call: (229) [system] '('=(;)
   Fail: (229) [system] '('=(;)
   Call: (229) [system] '('=(/)
   Fail: (229) [system] '('=(/)
^  Call: (229) [user] is_like_space('(')
   Call: (230) [system] char_type('(', 'white')
   Fail: (230) [system] char_type('(', 'white')
   Call: (230) [system] char_type('(', end_of_line)
   Fail: (230) [system] char_type('(', end_of_line)
   Call: (230) [system] char_type('(', space)
   Fail: (230) [system] char_type('(', space)
   Call: (230) [system] char_type('(', cntrl)
   Fail: (230) [system] char_type('(', cntrl)
^  Fail: (229) [user] is_like_space('(')
^  Exit: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] get_char((0x563acd73bee0), _301154)
   Exit: (228) [system] get_char((0x563acd73bee0), '(')
   Call: (228) [system] '('='('
   Exit: (228) [system] '('='('
^  Call: (228) [user] read_list(')', (0x563acd73bee0), _283286)
^  Call: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (230) [system] peek_char((0x563acd73bee0), _306724)
   Exit: (230) [system] peek_char((0x563acd73bee0), 'O')
   Call: (230) [system] 'O'=(;)
   Fail: (230) [system] 'O'=(;)
   Call: (230) [system] 'O'=(/)
   Fail: (230) [system] 'O'=(/)
^  Call: (230) [user] is_like_space('O')
   Call: (231) [system] char_type('O', 'white')
   Fail: (231) [system] char_type('O', 'white')
   Call: (231) [system] char_type('O', end_of_line)
   Fail: (231) [system] char_type('O', end_of_line)
   Call: (231) [system] char_type('O', space)
   Fail: (231) [system] char_type('O', space)
   Call: (231) [system] char_type('O', cntrl)
   Fail: (231) [system] char_type('O', cntrl)
^  Fail: (230) [user] is_like_space('O')
^  Exit: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] peek_char((0x563acd73bee0), _322734)
   Exit: (229) [system] peek_char((0x563acd73bee0), 'O')
   Call: (229) [system] 'O'=')'
   Fail: (229) [system] 'O'=')'
   Call: (229) [system] 'O'=end_of_file
   Fail: (229) [system] 'O'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x563acd73bee0), _328304)
^  Call: (230) [user] skip_spaces((0x563acd73bee0))
   Call: (231) [system] peek_char((0x563acd73bee0), _330162)
   Exit: (231) [system] peek_char((0x563acd73bee0), 'O')
   Call: (231) [system] 'O'=(;)
   Fail: (231) [system] 'O'=(;)
   Call: (231) [system] 'O'=(/)
   Fail: (231) [system] 'O'=(/)
^  Call: (231) [user] is_like_space('O')
   Call: (232) [system] char_type('O', 'white')
   Fail: (232) [system] char_type('O', 'white')
   Call: (232) [system] char_type('O', end_of_line)
   Fail: (232) [system] char_type('O', end_of_line)
   Call: (232) [system] char_type('O', space)
   Fail: (232) [system] char_type('O', space)
   Call: (232) [system] char_type('O', cntrl)
   Fail: (232) [system] char_type('O', cntrl)
^  Fail: (231) [user] is_like_space('O')
^  Exit: (230) [user] skip_spaces((0x563acd73bee0))
   Call: (230) [system] get_char((0x563acd73bee0), _346172)
   Exit: (230) [system] get_char((0x563acd73bee0), 'O')
   Call: (230) [system] 'O'='('
   Fail: (230) [system] 'O'='('
   Call: (230) [system] 'O'='['
   Fail: (230) [system] 'O'='['
   Call: (230) [system] 'O'='{'
   Fail: (230) [system] 'O'='{'
   Call: (230) [system] 'O'='"'
   Fail: (230) [system] 'O'='"'
   Call: (230) [system] 'O'=!
   Fail: (230) [system] 'O'=!
   Call: (230) [system] 'O'='\''
   Fail: (230) [system] 'O'='\''
   Call: (230) [system] 'O'='`'
   Fail: (230) [system] 'O'='`'
   Call: (230) [system] 'O'=end_of_file
   Fail: (230) [system] 'O'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x563acd73bee0), 'O', _328304)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _363814)
   Call: (232) [system] peek_char((0x563acd73bee0), _364748)
   Exit: (232) [system] peek_char((0x563acd73bee0), r)
^  Call: (232) [user] is_delimiter(r)
   Call: (233) [system] char_type(r, space)
   Fail: (233) [system] char_type(r, space)
   Call: (233) [system] arg(_369468, v('(', ')', end_of_file), r)
   Fail: (233) [system] arg(_370400, v('(', ')', end_of_file), r)
^  Fail: (232) [user] is_delimiter(r)
   Call: (232) [system] ')'==r
   Fail: (232) [system] ')'==r
   Call: (232) [system] get_char((0x563acd73bee0), r)
   Exit: (232) [system] get_char((0x563acd73bee0), r)
   Call: (232) [system] r=(\)
   Fail: (232) [system] r=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _377750)
   Call: (233) [system] peek_char((0x563acd73bee0), _378684)
   Exit: (233) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (233) [user] is_delimiter('L')
   Call: (234) [system] char_type('L', space)
   Fail: (234) [system] char_type('L', space)
   Call: (234) [system] arg(_383404, v('(', ')', end_of_file), 'L')
   Fail: (234) [system] arg(_384336, v('(', ')', end_of_file), 'L')
^  Fail: (233) [user] is_delimiter('L')
   Call: (233) [system] ')'=='L'
   Fail: (233) [system] ')'=='L'
   Call: (233) [system] get_char((0x563acd73bee0), 'L')
   Exit: (233) [system] get_char((0x563acd73bee0), 'L')
   Call: (233) [system] 'L'=(\)
   Fail: (233) [system] 'L'=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), _391686)
   Call: (234) [system] peek_char((0x563acd73bee0), _392620)
   Exit: (234) [system] peek_char((0x563acd73bee0), i)
^  Call: (234) [user] is_delimiter(i)
   Call: (235) [system] char_type(i, space)
   Fail: (235) [system] char_type(i, space)
   Call: (235) [system] arg(_397340, v('(', ')', end_of_file), i)
   Fail: (235) [system] arg(_398272, v('(', ')', end_of_file), i)
^  Fail: (234) [user] is_delimiter(i)
   Call: (234) [system] ')'==i
   Fail: (234) [system] ')'==i
   Call: (234) [system] get_char((0x563acd73bee0), i)
   Exit: (234) [system] get_char((0x563acd73bee0), i)
   Call: (234) [system] i=(\)
   Fail: (234) [system] i=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), _405622)
   Call: (235) [system] peek_char((0x563acd73bee0), _406556)
   Exit: (235) [system] peek_char((0x563acd73bee0), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Fail: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_411276, v('(', ')', end_of_file), n)
   Fail: (236) [system] arg(_412208, v('(', ')', end_of_file), n)
^  Fail: (235) [user] is_delimiter(n)
   Call: (235) [system] ')'==n
   Fail: (235) [system] ')'==n
   Call: (235) [system] get_char((0x563acd73bee0), n)
   Exit: (235) [system] get_char((0x563acd73bee0), n)
   Call: (235) [system] n=(\)
   Fail: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), _419558)
   Call: (236) [system] peek_char((0x563acd73bee0), _420492)
   Exit: (236) [system] peek_char((0x563acd73bee0), k)
^  Call: (236) [user] is_delimiter(k)
   Call: (237) [system] char_type(k, space)
   Fail: (237) [system] char_type(k, space)
   Call: (237) [system] arg(_425212, v('(', ')', end_of_file), k)
   Fail: (237) [system] arg(_426144, v('(', ')', end_of_file), k)
^  Fail: (236) [user] is_delimiter(k)
   Call: (236) [system] ')'==k
   Fail: (236) [system] ')'==k
   Call: (236) [system] get_char((0x563acd73bee0), k)
   Exit: (236) [system] get_char((0x563acd73bee0), k)
   Call: (236) [system] k=(\)
   Fail: (236) [system] k=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), _433494)
   Call: (237) [system] peek_char((0x563acd73bee0), _434428)
   Exit: (237) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (237) [user] is_delimiter(' ')
   Call: (238) [system] char_type(' ', space)
   Exit: (238) [system] char_type(' ', space)
^  Exit: (237) [user] is_delimiter(' ')
   Call: (237) [system] _433494=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (236) [system] _419558=[k]
   Exit: (236) [system] [k]=[k]
^  Exit: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (235) [system] _405622=[n, k]
   Exit: (235) [system] [n, k]=[n, k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (234) [system] _391686=[i, n, k]
   Exit: (234) [system] [i, n, k]=[i, n, k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (233) [system] _377750=['L', i, n, k]
   Exit: (233) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (232) [system] _363814=[r, 'L', i, n, k]
   Exit: (232) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (231) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _328304)
^  Call: (232) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _457682)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_458634, _458636), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _457682), _458616, fail)), '$restore_trace'(_458634, _458636))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_458634, _458636))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _457682), _458616, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(_457682)
   Fail: (233) [system] atomic(_457682)
   Call: (233) [system] atom_chars(_457682, ['O', r, 'L', i, n, k])
   Exit: (233) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (232) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (232) [system] integer('OrLink')
   Fail: (232) [system] integer('OrLink')
   Call: (232) [system] _328304='OrLink'
   Exit: (232) [system] 'OrLink'='OrLink'
^  Exit: (231) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (230) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (229) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (229) [user] read_list(')', (0x563acd73bee0), _472632)
^  Call: (230) [user] skip_spaces((0x563acd73bee0))
   Call: (231) [system] peek_char((0x563acd73bee0), _474490)
   Exit: (231) [system] peek_char((0x563acd73bee0), ' ')
   Call: (231) [system] ' '=(;)
   Fail: (231) [system] ' '=(;)
   Call: (231) [system] ' '=(/)
   Fail: (231) [system] ' '=(/)
^  Call: (231) [user] is_like_space(' ')
   Call: (232) [system] char_type(' ', 'white')
   Exit: (232) [system] char_type(' ', 'white')
^  Exit: (231) [user] is_like_space(' ')
   Call: (231) [system] get_char((0x563acd73bee0), _484084)
   Exit: (231) [system] get_char((0x563acd73bee0), ' ')
^  Call: (231) [user] skip_spaces((0x563acd73bee0))
   Call: (232) [system] peek_char((0x563acd73bee0), _486788)
   Exit: (232) [system] peek_char((0x563acd73bee0), 'B')
   Call: (232) [system] 'B'=(;)
   Fail: (232) [system] 'B'=(;)
   Call: (232) [system] 'B'=(/)
   Fail: (232) [system] 'B'=(/)
^  Call: (232) [user] is_like_space('B')
   Call: (233) [system] char_type('B', 'white')
   Fail: (233) [system] char_type('B', 'white')
   Call: (233) [system] char_type('B', end_of_line)
   Fail: (233) [system] char_type('B', end_of_line)
   Call: (233) [system] char_type('B', space)
   Fail: (233) [system] char_type('B', space)
   Call: (233) [system] char_type('B', cntrl)
   Fail: (233) [system] char_type('B', cntrl)
^  Fail: (232) [user] is_like_space('B')
^  Exit: (231) [user] skip_spaces((0x563acd73bee0))
^  Exit: (230) [user] skip_spaces((0x563acd73bee0))
   Call: (230) [system] peek_char((0x563acd73bee0), _503722)
   Exit: (230) [system] peek_char((0x563acd73bee0), 'B')
   Call: (230) [system] 'B'=')'
   Fail: (230) [system] 'B'=')'
   Call: (230) [system] 'B'=end_of_file
   Fail: (230) [system] 'B'=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x563acd73bee0), _509292)
^  Call: (231) [user] skip_spaces((0x563acd73bee0))
   Call: (232) [system] peek_char((0x563acd73bee0), _511150)
   Exit: (232) [system] peek_char((0x563acd73bee0), 'B')
   Call: (232) [system] 'B'=(;)
   Fail: (232) [system] 'B'=(;)
   Call: (232) [system] 'B'=(/)
   Fail: (232) [system] 'B'=(/)
^  Call: (232) [user] is_like_space('B')
   Call: (233) [system] char_type('B', 'white')
   Fail: (233) [system] char_type('B', 'white')
   Call: (233) [system] char_type('B', end_of_line)
   Fail: (233) [system] char_type('B', end_of_line)
   Call: (233) [system] char_type('B', space)
   Fail: (233) [system] char_type('B', space)
   Call: (233) [system] char_type('B', cntrl)
   Fail: (233) [system] char_type('B', cntrl)
^  Fail: (232) [user] is_like_space('B')
^  Exit: (231) [user] skip_spaces((0x563acd73bee0))
   Call: (231) [system] get_char((0x563acd73bee0), _527160)
   Exit: (231) [system] get_char((0x563acd73bee0), 'B')
   Call: (231) [system] 'B'='('
   Fail: (231) [system] 'B'='('
   Call: (231) [system] 'B'='['
   Fail: (231) [system] 'B'='['
   Call: (231) [system] 'B'='{'
   Fail: (231) [system] 'B'='{'
   Call: (231) [system] 'B'='"'
   Fail: (231) [system] 'B'='"'
   Call: (231) [system] 'B'=!
   Fail: (231) [system] 'B'=!
   Call: (231) [system] 'B'='\''
   Fail: (231) [system] 'B'='\''
   Call: (231) [system] 'B'='`'
   Fail: (231) [system] 'B'='`'
   Call: (231) [system] 'B'=end_of_file
   Fail: (231) [system] 'B'=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x563acd73bee0), 'B', _509292)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _544802)
   Call: (233) [system] peek_char((0x563acd73bee0), _545736)
   Exit: (233) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _544802=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (232) [user] classify_and_convert_charseq(['B'], _509292)
^  Call: (233) [user] classify_and_convert_charseq_(['B'], _555020)
^  Call: (235) [system] setup_call_cleanup('$notrace'(_555972, _555974), once(user:catch(read_from_chars(['B'], _555020), _555954, fail)), '$restore_trace'(_555972, _555974))
^  Call: (236) [system] sig_atomic(system:'$notrace'(_555972, _555974))
^  Exit: (235) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _555020), _555954, fail)), system:'$restore_trace'(3, -1))
   Call: (234) [system] atomic(_555020)
   Fail: (234) [system] atomic(_555020)
   Call: (234) [system] atom_chars(_555020, ['B'])
   Exit: (234) [system] atom_chars('B', ['B'])
^  Exit: (233) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (233) [system] integer('B')
   Fail: (233) [system] integer('B')
   Call: (233) [system] _509292='B'
   Exit: (233) [system] 'B'='B'
^  Exit: (232) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (231) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (230) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (230) [user] read_list(')', (0x563acd73bee0), _569970)
^  Call: (231) [user] skip_spaces((0x563acd73bee0))
   Call: (232) [system] peek_char((0x563acd73bee0), _571828)
   Exit: (232) [system] peek_char((0x563acd73bee0), ' ')
   Call: (232) [system] ' '=(;)
   Fail: (232) [system] ' '=(;)
   Call: (232) [system] ' '=(/)
   Fail: (232) [system] ' '=(/)
^  Call: (232) [user] is_like_space(' ')
   Call: (233) [system] char_type(' ', 'white')
   Exit: (233) [system] char_type(' ', 'white')
^  Exit: (232) [user] is_like_space(' ')
   Call: (232) [system] get_char((0x563acd73bee0), _581422)
   Exit: (232) [system] get_char((0x563acd73bee0), ' ')
^  Call: (232) [user] skip_spaces((0x563acd73bee0))
   Call: (233) [system] peek_char((0x563acd73bee0), _584126)
   Exit: (233) [system] peek_char((0x563acd73bee0), 'A')
   Call: (233) [system] 'A'=(;)
   Fail: (233) [system] 'A'=(;)
   Call: (233) [system] 'A'=(/)
   Fail: (233) [system] 'A'=(/)
^  Call: (233) [user] is_like_space('A')
   Call: (234) [system] char_type('A', 'white')
   Fail: (234) [system] char_type('A', 'white')
   Call: (234) [system] char_type('A', end_of_line)
   Fail: (234) [system] char_type('A', end_of_line)
   Call: (234) [system] char_type('A', space)
   Fail: (234) [system] char_type('A', space)
   Call: (234) [system] char_type('A', cntrl)
   Fail: (234) [system] char_type('A', cntrl)
^  Fail: (233) [user] is_like_space('A')
^  Exit: (232) [user] skip_spaces((0x563acd73bee0))
^  Exit: (231) [user] skip_spaces((0x563acd73bee0))
   Call: (231) [system] peek_char((0x563acd73bee0), _601060)
   Exit: (231) [system] peek_char((0x563acd73bee0), 'A')
   Call: (231) [system] 'A'=')'
   Fail: (231) [system] 'A'=')'
   Call: (231) [system] 'A'=end_of_file
   Fail: (231) [system] 'A'=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x563acd73bee0), _606630)
^  Call: (232) [user] skip_spaces((0x563acd73bee0))
   Call: (233) [system] peek_char((0x563acd73bee0), _608488)
   Exit: (233) [system] peek_char((0x563acd73bee0), 'A')
   Call: (233) [system] 'A'=(;)
   Fail: (233) [system] 'A'=(;)
   Call: (233) [system] 'A'=(/)
   Fail: (233) [system] 'A'=(/)
^  Call: (233) [user] is_like_space('A')
   Call: (234) [system] char_type('A', 'white')
   Fail: (234) [system] char_type('A', 'white')
   Call: (234) [system] char_type('A', end_of_line)
   Fail: (234) [system] char_type('A', end_of_line)
   Call: (234) [system] char_type('A', space)
   Fail: (234) [system] char_type('A', space)
   Call: (234) [system] char_type('A', cntrl)
   Fail: (234) [system] char_type('A', cntrl)
^  Fail: (233) [user] is_like_space('A')
^  Exit: (232) [user] skip_spaces((0x563acd73bee0))
   Call: (232) [system] get_char((0x563acd73bee0), _624498)
   Exit: (232) [system] get_char((0x563acd73bee0), 'A')
   Call: (232) [system] 'A'='('
   Fail: (232) [system] 'A'='('
   Call: (232) [system] 'A'='['
   Fail: (232) [system] 'A'='['
   Call: (232) [system] 'A'='{'
   Fail: (232) [system] 'A'='{'
   Call: (232) [system] 'A'='"'
   Fail: (232) [system] 'A'='"'
   Call: (232) [system] 'A'=!
   Fail: (232) [system] 'A'=!
   Call: (232) [system] 'A'='\''
   Fail: (232) [system] 'A'='\''
   Call: (232) [system] 'A'='`'
   Fail: (232) [system] 'A'='`'
   Call: (232) [system] 'A'=end_of_file
   Fail: (232) [system] 'A'=end_of_file
^  Call: (232) [user] read_symbolic(')', (0x563acd73bee0), 'A', _606630)
^  Call: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), _642140)
   Call: (234) [system] peek_char((0x563acd73bee0), _643074)
   Exit: (234) [system] peek_char((0x563acd73bee0), ')')
^  Call: (234) [user] is_delimiter(')')
   Call: (235) [system] char_type(')', space)
   Fail: (235) [system] char_type(')', space)
   Call: (235) [system] arg(_647794, v('(', ')', end_of_file), ')')
   Exit: (235) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (234) [user] is_delimiter(')')
   Call: (234) [system] _642140=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (233) [user] classify_and_convert_charseq(['A'], _606630)
^  Call: (234) [user] classify_and_convert_charseq_(['A'], _654230)
^  Call: (236) [system] setup_call_cleanup('$notrace'(_655182, _655184), once(user:catch(read_from_chars(['A'], _654230), _655164, fail)), '$restore_trace'(_655182, _655184))
^  Call: (237) [system] sig_atomic(system:'$notrace'(_655182, _655184))
^  Exit: (236) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _654230), _655164, fail)), system:'$restore_trace'(3, -1))
   Call: (235) [system] atomic(_654230)
   Fail: (235) [system] atomic(_654230)
   Call: (235) [system] atom_chars(_654230, ['A'])
   Exit: (235) [system] atom_chars('A', ['A'])
^  Exit: (234) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (234) [system] integer('A')
   Fail: (234) [system] integer('A')
   Call: (234) [system] _606630='A'
   Exit: (234) [system] 'A'='A'
^  Exit: (233) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (232) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (231) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (231) [user] read_list(')', (0x563acd73bee0), _669180)
^  Call: (232) [user] skip_spaces((0x563acd73bee0))
   Call: (233) [system] peek_char((0x563acd73bee0), _671038)
   Exit: (233) [system] peek_char((0x563acd73bee0), ')')
   Call: (233) [system] ')'=(;)
   Fail: (233) [system] ')'=(;)
   Call: (233) [system] ')'=(/)
   Fail: (233) [system] ')'=(/)
^  Call: (233) [user] is_like_space(')')
   Call: (234) [system] char_type(')', 'white')
   Fail: (234) [system] char_type(')', 'white')
   Call: (234) [system] char_type(')', end_of_line)
   Fail: (234) [system] char_type(')', end_of_line)
   Call: (234) [system] char_type(')', space)
   Fail: (234) [system] char_type(')', space)
   Call: (234) [system] char_type(')', cntrl)
   Fail: (234) [system] char_type(')', cntrl)
^  Fail: (233) [user] is_like_space(')')
^  Exit: (232) [user] skip_spaces((0x563acd73bee0))
   Call: (232) [system] peek_char((0x563acd73bee0), _687048)
   Exit: (232) [system] peek_char((0x563acd73bee0), ')')
   Call: (232) [system] ')'=')'
   Exit: (232) [system] ')'=')'
   Call: (232) [system] get_char((0x563acd73bee0), _690838)
   Exit: (232) [system] get_char((0x563acd73bee0), ')')
   Call: (232) [system] _669180=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_list(')', (0x563acd73bee0), [])
   Call: (231) [system] _569970=['A']
   Exit: (231) [system] ['A']=['A']
^  Exit: (230) [user] read_list(')', (0x563acd73bee0), ['A'])
   Call: (230) [system] _472632=['B', 'A']
   Exit: (230) [system] ['B', 'A']=['B', 'A']
^  Exit: (229) [user] read_list(')', (0x563acd73bee0), ['B', 'A'])
   Call: (229) [system] _283286=['OrLink', 'B', 'A']
   Exit: (229) [system] ['OrLink', 'B', 'A']=['OrLink', 'B', 'A']
^  Exit: (228) [user] read_list(')', (0x563acd73bee0), ['OrLink', 'B', 'A'])
^  Exit: (227) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', 'B', 'A'])
^  Call: (227) [user] read_list(')', (0x563acd73bee0), _704720)
^  Call: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] peek_char((0x563acd73bee0), _706578)
   Exit: (229) [system] peek_char((0x563acd73bee0), ')')
   Call: (229) [system] ')'=(;)
   Fail: (229) [system] ')'=(;)
   Call: (229) [system] ')'=(/)
   Fail: (229) [system] ')'=(/)
^  Call: (229) [user] is_like_space(')')
   Call: (230) [system] char_type(')', 'white')
   Fail: (230) [system] char_type(')', 'white')
   Call: (230) [system] char_type(')', end_of_line)
   Fail: (230) [system] char_type(')', end_of_line)
   Call: (230) [system] char_type(')', space)
   Fail: (230) [system] char_type(')', space)
   Call: (230) [system] char_type(')', cntrl)
   Fail: (230) [system] char_type(')', cntrl)
^  Fail: (229) [user] is_like_space(')')
^  Exit: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _722588)
   Exit: (228) [system] peek_char((0x563acd73bee0), ')')
   Call: (228) [system] ')'=')'
   Exit: (228) [system] ')'=')'
   Call: (228) [system] get_char((0x563acd73bee0), _726378)
   Exit: (228) [system] get_char((0x563acd73bee0), ')')
   Call: (228) [system] _704720=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_list(')', (0x563acd73bee0), [])
   Call: (227) [system] _246626=[['OrLink', 'B', 'A']]
   Exit: (227) [system] [['OrLink', 'B', 'A']]=[['OrLink', 'B', 'A']]
^  Exit: (226) [user] read_list(')', (0x563acd73bee0), [['OrLink', 'B', 'A']])
   Call: (226) [system] _6580=[['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']]
   Exit: (226) [system] [['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']]=[['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']]
^  Exit: (225) [user] read_list(')', (0x563acd73bee0), [['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']])
   Call: (225) [system] _6572=[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']]
   Exit: (225) [system] [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']]=[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']]
^  Exit: (224) [user] read_list(')', (0x563acd73bee0), [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']])
^  Exit: (223) [user] cont_sexpr(')', (0x563acd73bee0), [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']])
^  Call: (223) [user] read_list(')', (0x563acd73bee0), _740260)
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _742118)
   Exit: (225) [system] peek_char((0x563acd73bee0), '\n')
   Call: (225) [system] '\n'=(;)
   Fail: (225) [system] '\n'=(;)
   Call: (225) [system] '\n'=(/)
   Fail: (225) [system] '\n'=(/)
^  Call: (225) [user] is_like_space('\n')
   Call: (226) [system] char_type('\n', 'white')
   Fail: (226) [system] char_type('\n', 'white')
   Call: (226) [system] char_type('\n', end_of_line)
   Exit: (226) [system] char_type('\n', end_of_line)
^  Exit: (225) [user] is_like_space('\n')
   Call: (225) [system] get_char((0x563acd73bee0), _753568)
   Exit: (225) [system] get_char((0x563acd73bee0), '\n')
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _756272)
   Exit: (226) [system] peek_char((0x563acd73bee0), '\t')
   Call: (226) [system] '\t'=(;)
   Fail: (226) [system] '\t'=(;)
   Call: (226) [system] '\t'=(/)
   Fail: (226) [system] '\t'=(/)
^  Call: (226) [user] is_like_space('\t')
   Call: (227) [system] char_type('\t', 'white')
   Exit: (227) [system] char_type('\t', 'white')
^  Exit: (226) [user] is_like_space('\t')
   Call: (226) [system] get_char((0x563acd73bee0), _765866)
   Exit: (226) [system] get_char((0x563acd73bee0), '\t')
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _768570)
   Exit: (227) [system] peek_char((0x563acd73bee0), '\t')
   Call: (227) [system] '\t'=(;)
   Fail: (227) [system] '\t'=(;)
   Call: (227) [system] '\t'=(/)
   Fail: (227) [system] '\t'=(/)
^  Call: (227) [user] is_like_space('\t')
   Call: (228) [system] char_type('\t', 'white')
   Exit: (228) [system] char_type('\t', 'white')
^  Exit: (227) [user] is_like_space('\t')
   Call: (227) [system] get_char((0x563acd73bee0), _778164)
   Exit: (227) [system] get_char((0x563acd73bee0), '\t')
^  Call: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _780868)
   Exit: (228) [system] peek_char((0x563acd73bee0), ' ')
   Call: (228) [system] ' '=(;)
   Fail: (228) [system] ' '=(;)
   Call: (228) [system] ' '=(/)
   Fail: (228) [system] ' '=(/)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x563acd73bee0), _790462)
   Exit: (228) [system] get_char((0x563acd73bee0), ' ')
^  Call: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] peek_char((0x563acd73bee0), _793166)
   Exit: (229) [system] peek_char((0x563acd73bee0), '(')
   Call: (229) [system] '('=(;)
   Fail: (229) [system] '('=(;)
   Call: (229) [system] '('=(/)
   Fail: (229) [system] '('=(/)
^  Call: (229) [user] is_like_space('(')
   Call: (230) [system] char_type('(', 'white')
   Fail: (230) [system] char_type('(', 'white')
   Call: (230) [system] char_type('(', end_of_line)
   Fail: (230) [system] char_type('(', end_of_line)
   Call: (230) [system] char_type('(', space)
   Fail: (230) [system] char_type('(', space)
   Call: (230) [system] char_type('(', cntrl)
   Fail: (230) [system] char_type('(', cntrl)
^  Fail: (229) [user] is_like_space('(')
^  Exit: (228) [user] skip_spaces((0x563acd73bee0))
^  Exit: (227) [user] skip_spaces((0x563acd73bee0))
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _812872)
   Exit: (224) [system] peek_char((0x563acd73bee0), '(')
   Call: (224) [system] '('=')'
   Fail: (224) [system] '('=')'
   Call: (224) [system] '('=end_of_file
   Fail: (224) [system] '('=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x563acd73bee0), _818442)
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _820300)
   Exit: (226) [system] peek_char((0x563acd73bee0), '(')
   Call: (226) [system] '('=(;)
   Fail: (226) [system] '('=(;)
   Call: (226) [system] '('=(/)
   Fail: (226) [system] '('=(/)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Fail: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Fail: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Fail: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
   Fail: (227) [system] char_type('(', cntrl)
^  Fail: (226) [user] is_like_space('(')
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] get_char((0x563acd73bee0), _836310)
   Exit: (225) [system] get_char((0x563acd73bee0), '(')
   Call: (225) [system] '('='('
   Exit: (225) [system] '('='('
^  Call: (225) [user] read_list(')', (0x563acd73bee0), _818442)
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _841880)
   Exit: (227) [system] peek_char((0x563acd73bee0), :)
   Call: (227) [system] (:)=(;)
   Fail: (227) [system] (:)=(;)
   Call: (227) [system] (:)=(/)
   Fail: (227) [system] (:)=(/)
^  Call: (227) [user] is_like_space(:)
   Call: (228) [system] char_type(:, 'white')
   Fail: (228) [system] char_type(:, 'white')
   Call: (228) [system] char_type(:, end_of_line)
   Fail: (228) [system] char_type(:, end_of_line)
   Call: (228) [system] char_type(:, space)
   Fail: (228) [system] char_type(:, space)
   Call: (228) [system] char_type(:, cntrl)
   Fail: (228) [system] char_type(:, cntrl)
^  Fail: (227) [user] is_like_space(:)
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _857890)
   Exit: (226) [system] peek_char((0x563acd73bee0), :)
   Call: (226) [system] (:)=')'
   Fail: (226) [system] (:)=')'
   Call: (226) [system] (:)=end_of_file
   Fail: (226) [system] (:)=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x563acd73bee0), _863460)
^  Call: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _865318)
   Exit: (228) [system] peek_char((0x563acd73bee0), :)
   Call: (228) [system] (:)=(;)
   Fail: (228) [system] (:)=(;)
   Call: (228) [system] (:)=(/)
   Fail: (228) [system] (:)=(/)
^  Call: (228) [user] is_like_space(:)
   Call: (229) [system] char_type(:, 'white')
   Fail: (229) [system] char_type(:, 'white')
   Call: (229) [system] char_type(:, end_of_line)
   Fail: (229) [system] char_type(:, end_of_line)
   Call: (229) [system] char_type(:, space)
   Fail: (229) [system] char_type(:, space)
   Call: (229) [system] char_type(:, cntrl)
   Fail: (229) [system] char_type(:, cntrl)
^  Fail: (228) [user] is_like_space(:)
^  Exit: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] get_char((0x563acd73bee0), _881328)
   Exit: (227) [system] get_char((0x563acd73bee0), :)
   Call: (227) [system] (:)='('
   Fail: (227) [system] (:)='('
   Call: (227) [system] (:)='['
   Fail: (227) [system] (:)='['
   Call: (227) [system] (:)='{'
   Fail: (227) [system] (:)='{'
   Call: (227) [system] (:)='"'
   Fail: (227) [system] (:)='"'
   Call: (227) [system] (:)=!
   Fail: (227) [system] (:)=!
   Call: (227) [system] (:)='\''
   Fail: (227) [system] (:)='\''
   Call: (227) [system] (:)='`'
   Fail: (227) [system] (:)='`'
   Call: (227) [system] (:)=end_of_file
   Fail: (227) [system] (:)=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x563acd73bee0), :, _863460)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _898970)
   Call: (229) [system] peek_char((0x563acd73bee0), _899904)
   Exit: (229) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _898970=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (228) [user] classify_and_convert_charseq([:], _863460)
^  Call: (229) [user] classify_and_convert_charseq_([:], _909188)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_910140, _910142), once(user:catch(read_from_chars([:], _909188), _910122, fail)), '$restore_trace'(_910140, _910142))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_910140, _910142))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _910122, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(:)
   Exit: (230) [system] atomic(:)
^  Exit: (229) [user] classify_and_convert_charseq_([:], :)
   Call: (229) [system] integer(:)
   Fail: (229) [system] integer(:)
   Call: (229) [system] _863460=(:)
   Exit: (229) [system] (:)=(:)
^  Exit: (228) [user] classify_and_convert_charseq([:], :)
^  Exit: (227) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (226) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (226) [user] read_list(')', (0x563acd73bee0), _922268)
^  Call: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _924126)
   Exit: (228) [system] peek_char((0x563acd73bee0), ' ')
   Call: (228) [system] ' '=(;)
   Fail: (228) [system] ' '=(;)
   Call: (228) [system] ' '=(/)
   Fail: (228) [system] ' '=(/)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x563acd73bee0), _933720)
   Exit: (228) [system] get_char((0x563acd73bee0), ' ')
^  Call: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] peek_char((0x563acd73bee0), _936424)
   Exit: (229) [system] peek_char((0x563acd73bee0), '(')
   Call: (229) [system] '('=(;)
   Fail: (229) [system] '('=(;)
   Call: (229) [system] '('=(/)
   Fail: (229) [system] '('=(/)
^  Call: (229) [user] is_like_space('(')
   Call: (230) [system] char_type('(', 'white')
   Fail: (230) [system] char_type('(', 'white')
   Call: (230) [system] char_type('(', end_of_line)
   Fail: (230) [system] char_type('(', end_of_line)
   Call: (230) [system] char_type('(', space)
   Fail: (230) [system] char_type('(', space)
   Call: (230) [system] char_type('(', cntrl)
   Fail: (230) [system] char_type('(', cntrl)
^  Fail: (229) [user] is_like_space('(')
^  Exit: (228) [user] skip_spaces((0x563acd73bee0))
^  Exit: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _953358)
   Exit: (227) [system] peek_char((0x563acd73bee0), '(')
   Call: (227) [system] '('=')'
   Fail: (227) [system] '('=')'
   Call: (227) [system] '('=end_of_file
   Fail: (227) [system] '('=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x563acd73bee0), _958928)
^  Call: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] peek_char((0x563acd73bee0), _960786)
   Exit: (229) [system] peek_char((0x563acd73bee0), '(')
   Call: (229) [system] '('=(;)
   Fail: (229) [system] '('=(;)
   Call: (229) [system] '('=(/)
   Fail: (229) [system] '('=(/)
^  Call: (229) [user] is_like_space('(')
   Call: (230) [system] char_type('(', 'white')
   Fail: (230) [system] char_type('(', 'white')
   Call: (230) [system] char_type('(', end_of_line)
   Fail: (230) [system] char_type('(', end_of_line)
   Call: (230) [system] char_type('(', space)
   Fail: (230) [system] char_type('(', space)
   Call: (230) [system] char_type('(', cntrl)
   Fail: (230) [system] char_type('(', cntrl)
^  Fail: (229) [user] is_like_space('(')
^  Exit: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] get_char((0x563acd73bee0), _976796)
   Exit: (228) [system] get_char((0x563acd73bee0), '(')
   Call: (228) [system] '('='('
   Exit: (228) [system] '('='('
^  Call: (228) [user] read_list(')', (0x563acd73bee0), _958928)
^  Call: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (230) [system] peek_char((0x563acd73bee0), _982366)
   Exit: (230) [system] peek_char((0x563acd73bee0), 'D')
   Call: (230) [system] 'D'=(;)
   Fail: (230) [system] 'D'=(;)
   Call: (230) [system] 'D'=(/)
   Fail: (230) [system] 'D'=(/)
^  Call: (230) [user] is_like_space('D')
   Call: (231) [system] char_type('D', 'white')
   Fail: (231) [system] char_type('D', 'white')
   Call: (231) [system] char_type('D', end_of_line)
   Fail: (231) [system] char_type('D', end_of_line)
   Call: (231) [system] char_type('D', space)
   Fail: (231) [system] char_type('D', space)
   Call: (231) [system] char_type('D', cntrl)
   Fail: (231) [system] char_type('D', cntrl)
^  Fail: (230) [user] is_like_space('D')
^  Exit: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] peek_char((0x563acd73bee0), _998376)
   Exit: (229) [system] peek_char((0x563acd73bee0), 'D')
   Call: (229) [system] 'D'=')'
   Fail: (229) [system] 'D'=')'
   Call: (229) [system] 'D'=end_of_file
   Fail: (229) [system] 'D'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x563acd73bee0), _1003946)
^  Call: (230) [user] skip_spaces((0x563acd73bee0))
   Call: (231) [system] peek_char((0x563acd73bee0), _1005804)
   Exit: (231) [system] peek_char((0x563acd73bee0), 'D')
   Call: (231) [system] 'D'=(;)
   Fail: (231) [system] 'D'=(;)
   Call: (231) [system] 'D'=(/)
   Fail: (231) [system] 'D'=(/)
^  Call: (231) [user] is_like_space('D')
   Call: (232) [system] char_type('D', 'white')
   Fail: (232) [system] char_type('D', 'white')
   Call: (232) [system] char_type('D', end_of_line)
   Fail: (232) [system] char_type('D', end_of_line)
   Call: (232) [system] char_type('D', space)
   Fail: (232) [system] char_type('D', space)
   Call: (232) [system] char_type('D', cntrl)
   Fail: (232) [system] char_type('D', cntrl)
^  Fail: (231) [user] is_like_space('D')
^  Exit: (230) [user] skip_spaces((0x563acd73bee0))
   Call: (230) [system] get_char((0x563acd73bee0), _1021814)
   Exit: (230) [system] get_char((0x563acd73bee0), 'D')
   Call: (230) [system] 'D'='('
   Fail: (230) [system] 'D'='('
   Call: (230) [system] 'D'='['
   Fail: (230) [system] 'D'='['
   Call: (230) [system] 'D'='{'
   Fail: (230) [system] 'D'='{'
   Call: (230) [system] 'D'='"'
   Fail: (230) [system] 'D'='"'
   Call: (230) [system] 'D'=!
   Fail: (230) [system] 'D'=!
   Call: (230) [system] 'D'='\''
   Fail: (230) [system] 'D'='\''
   Call: (230) [system] 'D'='`'
   Fail: (230) [system] 'D'='`'
   Call: (230) [system] 'D'=end_of_file
   Fail: (230) [system] 'D'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x563acd73bee0), 'D', _1003946)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _1039456)
   Call: (232) [system] peek_char((0x563acd73bee0), _1040390)
   Exit: (232) [system] peek_char((0x563acd73bee0), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Fail: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_1045110, v('(', ')', end_of_file), i)
   Fail: (233) [system] arg(_1046042, v('(', ')', end_of_file), i)
^  Fail: (232) [user] is_delimiter(i)
   Call: (232) [system] ')'==i
   Fail: (232) [system] ')'==i
   Call: (232) [system] get_char((0x563acd73bee0), i)
   Exit: (232) [system] get_char((0x563acd73bee0), i)
   Call: (232) [system] i=(\)
   Fail: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _1053392)
   Call: (233) [system] peek_char((0x563acd73bee0), _1054326)
   Exit: (233) [system] peek_char((0x563acd73bee0), s)
^  Call: (233) [user] is_delimiter(s)
   Call: (234) [system] char_type(s, space)
   Fail: (234) [system] char_type(s, space)
   Call: (234) [system] arg(_1059046, v('(', ')', end_of_file), s)
   Fail: (234) [system] arg(_1059978, v('(', ')', end_of_file), s)
^  Fail: (233) [user] is_delimiter(s)
   Call: (233) [system] ')'==s
   Fail: (233) [system] ')'==s
   Call: (233) [system] get_char((0x563acd73bee0), s)
   Exit: (233) [system] get_char((0x563acd73bee0), s)
   Call: (233) [system] s=(\)
   Fail: (233) [system] s=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), _1067328)
   Call: (234) [system] peek_char((0x563acd73bee0), _1068262)
   Exit: (234) [system] peek_char((0x563acd73bee0), j)
^  Call: (234) [user] is_delimiter(j)
   Call: (235) [system] char_type(j, space)
   Fail: (235) [system] char_type(j, space)
   Call: (235) [system] arg(_1072982, v('(', ')', end_of_file), j)
   Fail: (235) [system] arg(_1073914, v('(', ')', end_of_file), j)
^  Fail: (234) [user] is_delimiter(j)
   Call: (234) [system] ')'==j
   Fail: (234) [system] ')'==j
   Call: (234) [system] get_char((0x563acd73bee0), j)
   Exit: (234) [system] get_char((0x563acd73bee0), j)
   Call: (234) [system] j=(\)
   Fail: (234) [system] j=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), _1081264)
   Call: (235) [system] peek_char((0x563acd73bee0), _1082198)
   Exit: (235) [system] peek_char((0x563acd73bee0), u)
^  Call: (235) [user] is_delimiter(u)
   Call: (236) [system] char_type(u, space)
   Fail: (236) [system] char_type(u, space)
   Call: (236) [system] arg(_1086918, v('(', ')', end_of_file), u)
   Fail: (236) [system] arg(_1087850, v('(', ')', end_of_file), u)
^  Fail: (235) [user] is_delimiter(u)
   Call: (235) [system] ')'==u
   Fail: (235) [system] ')'==u
   Call: (235) [system] get_char((0x563acd73bee0), u)
   Exit: (235) [system] get_char((0x563acd73bee0), u)
   Call: (235) [system] u=(\)
   Fail: (235) [system] u=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), _1095200)
   Call: (236) [system] peek_char((0x563acd73bee0), _1096134)
   Exit: (236) [system] peek_char((0x563acd73bee0), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Fail: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_1100854, v('(', ')', end_of_file), n)
   Fail: (237) [system] arg(_1101786, v('(', ')', end_of_file), n)
^  Fail: (236) [user] is_delimiter(n)
   Call: (236) [system] ')'==n
   Fail: (236) [system] ')'==n
   Call: (236) [system] get_char((0x563acd73bee0), n)
   Exit: (236) [system] get_char((0x563acd73bee0), n)
   Call: (236) [system] n=(\)
   Fail: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), _1109136)
   Call: (237) [system] peek_char((0x563acd73bee0), _1110070)
   Exit: (237) [system] peek_char((0x563acd73bee0), c)
^  Call: (237) [user] is_delimiter(c)
   Call: (238) [system] char_type(c, space)
   Fail: (238) [system] char_type(c, space)
   Call: (238) [system] arg(_1114790, v('(', ')', end_of_file), c)
   Fail: (238) [system] arg(_1115722, v('(', ')', end_of_file), c)
^  Fail: (237) [user] is_delimiter(c)
   Call: (237) [system] ')'==c
   Fail: (237) [system] ')'==c
   Call: (237) [system] get_char((0x563acd73bee0), c)
   Exit: (237) [system] get_char((0x563acd73bee0), c)
   Call: (237) [system] c=(\)
   Fail: (237) [system] c=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), _1123072)
   Call: (238) [system] peek_char((0x563acd73bee0), _1124006)
   Exit: (238) [system] peek_char((0x563acd73bee0), t)
^  Call: (238) [user] is_delimiter(t)
   Call: (239) [system] char_type(t, space)
   Fail: (239) [system] char_type(t, space)
   Call: (239) [system] arg(_1128726, v('(', ')', end_of_file), t)
   Fail: (239) [system] arg(_1129658, v('(', ')', end_of_file), t)
^  Fail: (238) [user] is_delimiter(t)
   Call: (238) [system] ')'==t
   Fail: (238) [system] ')'==t
   Call: (238) [system] get_char((0x563acd73bee0), t)
   Exit: (238) [system] get_char((0x563acd73bee0), t)
   Call: (238) [system] t=(\)
   Fail: (238) [system] t=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x563acd73bee0), _1137008)
   Call: (239) [system] peek_char((0x563acd73bee0), _1137942)
   Exit: (239) [system] peek_char((0x563acd73bee0), i)
^  Call: (239) [user] is_delimiter(i)
   Call: (240) [system] char_type(i, space)
   Fail: (240) [system] char_type(i, space)
   Call: (240) [system] arg(_1142662, v('(', ')', end_of_file), i)
   Fail: (240) [system] arg(_1143594, v('(', ')', end_of_file), i)
^  Fail: (239) [user] is_delimiter(i)
   Call: (239) [system] ')'==i
   Fail: (239) [system] ')'==i
   Call: (239) [system] get_char((0x563acd73bee0), i)
   Exit: (239) [system] get_char((0x563acd73bee0), i)
   Call: (239) [system] i=(\)
   Fail: (239) [system] i=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x563acd73bee0), _1150944)
   Call: (240) [system] peek_char((0x563acd73bee0), _1151878)
   Exit: (240) [system] peek_char((0x563acd73bee0), o)
^  Call: (240) [user] is_delimiter(o)
   Call: (241) [system] char_type(o, space)
   Fail: (241) [system] char_type(o, space)
   Call: (241) [system] arg(_1156598, v('(', ')', end_of_file), o)
   Fail: (241) [system] arg(_1157530, v('(', ')', end_of_file), o)
^  Fail: (240) [user] is_delimiter(o)
   Call: (240) [system] ')'==o
   Fail: (240) [system] ')'==o
   Call: (240) [system] get_char((0x563acd73bee0), o)
   Exit: (240) [system] get_char((0x563acd73bee0), o)
   Call: (240) [system] o=(\)
   Fail: (240) [system] o=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x563acd73bee0), _1164880)
   Call: (241) [system] peek_char((0x563acd73bee0), _1165814)
   Exit: (241) [system] peek_char((0x563acd73bee0), n)
^  Call: (241) [user] is_delimiter(n)
   Call: (242) [system] char_type(n, space)
   Fail: (242) [system] char_type(n, space)
   Call: (242) [system] arg(_1170534, v('(', ')', end_of_file), n)
   Fail: (242) [system] arg(_1171466, v('(', ')', end_of_file), n)
^  Fail: (241) [user] is_delimiter(n)
   Call: (241) [system] ')'==n
   Fail: (241) [system] ')'==n
   Call: (241) [system] get_char((0x563acd73bee0), n)
   Exit: (241) [system] get_char((0x563acd73bee0), n)
   Call: (241) [system] n=(\)
   Fail: (241) [system] n=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x563acd73bee0), _1178816)
   Call: (242) [system] peek_char((0x563acd73bee0), _1179750)
   Exit: (242) [system] peek_char((0x563acd73bee0), 'I')
^  Call: (242) [user] is_delimiter('I')
   Call: (243) [system] char_type('I', space)
   Fail: (243) [system] char_type('I', space)
   Call: (243) [system] arg(_1184470, v('(', ')', end_of_file), 'I')
   Fail: (243) [system] arg(_1185402, v('(', ')', end_of_file), 'I')
^  Fail: (242) [user] is_delimiter('I')
   Call: (242) [system] ')'=='I'
   Fail: (242) [system] ')'=='I'
   Call: (242) [system] get_char((0x563acd73bee0), 'I')
   Exit: (242) [system] get_char((0x563acd73bee0), 'I')
   Call: (242) [system] 'I'=(\)
   Fail: (242) [system] 'I'=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x563acd73bee0), _1192752)
   Call: (243) [system] peek_char((0x563acd73bee0), _1193686)
   Exit: (243) [system] peek_char((0x563acd73bee0), n)
^  Call: (243) [user] is_delimiter(n)
   Call: (244) [system] char_type(n, space)
   Fail: (244) [system] char_type(n, space)
   Call: (244) [system] arg(_1198406, v('(', ')', end_of_file), n)
   Fail: (244) [system] arg(_1199338, v('(', ')', end_of_file), n)
^  Fail: (243) [user] is_delimiter(n)
   Call: (243) [system] ')'==n
   Fail: (243) [system] ')'==n
   Call: (243) [system] get_char((0x563acd73bee0), n)
   Exit: (243) [system] get_char((0x563acd73bee0), n)
   Call: (243) [system] n=(\)
   Fail: (243) [system] n=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x563acd73bee0), _1206688)
   Call: (244) [system] peek_char((0x563acd73bee0), _1207622)
   Exit: (244) [system] peek_char((0x563acd73bee0), t)
^  Call: (244) [user] is_delimiter(t)
   Call: (245) [system] char_type(t, space)
   Fail: (245) [system] char_type(t, space)
   Call: (245) [system] arg(_1212342, v('(', ')', end_of_file), t)
   Fail: (245) [system] arg(_1213274, v('(', ')', end_of_file), t)
^  Fail: (244) [user] is_delimiter(t)
   Call: (244) [system] ')'==t
   Fail: (244) [system] ')'==t
   Call: (244) [system] get_char((0x563acd73bee0), t)
   Exit: (244) [system] get_char((0x563acd73bee0), t)
   Call: (244) [system] t=(\)
   Fail: (244) [system] t=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x563acd73bee0), _1220624)
   Call: (245) [system] peek_char((0x563acd73bee0), _1221558)
   Exit: (245) [system] peek_char((0x563acd73bee0), r)
^  Call: (245) [user] is_delimiter(r)
   Call: (246) [system] char_type(r, space)
   Fail: (246) [system] char_type(r, space)
   Call: (246) [system] arg(_1226278, v('(', ')', end_of_file), r)
   Fail: (246) [system] arg(_1227210, v('(', ')', end_of_file), r)
^  Fail: (245) [user] is_delimiter(r)
   Call: (245) [system] ')'==r
   Fail: (245) [system] ')'==r
   Call: (245) [system] get_char((0x563acd73bee0), r)
   Exit: (245) [system] get_char((0x563acd73bee0), r)
   Call: (245) [system] r=(\)
   Fail: (245) [system] r=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x563acd73bee0), _1234560)
   Call: (246) [system] peek_char((0x563acd73bee0), _1235494)
   Exit: (246) [system] peek_char((0x563acd73bee0), o)
^  Call: (246) [user] is_delimiter(o)
   Call: (247) [system] char_type(o, space)
   Fail: (247) [system] char_type(o, space)
   Call: (247) [system] arg(_1240214, v('(', ')', end_of_file), o)
   Fail: (247) [system] arg(_1241146, v('(', ')', end_of_file), o)
^  Fail: (246) [user] is_delimiter(o)
   Call: (246) [system] ')'==o
   Fail: (246) [system] ')'==o
   Call: (246) [system] get_char((0x563acd73bee0), o)
   Exit: (246) [system] get_char((0x563acd73bee0), o)
   Call: (246) [system] o=(\)
   Fail: (246) [system] o=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x563acd73bee0), _1248496)
   Call: (247) [system] peek_char((0x563acd73bee0), _1249430)
   Exit: (247) [system] peek_char((0x563acd73bee0), d)
^  Call: (247) [user] is_delimiter(d)
   Call: (248) [system] char_type(d, space)
   Fail: (248) [system] char_type(d, space)
   Call: (248) [system] arg(_1254150, v('(', ')', end_of_file), d)
   Fail: (248) [system] arg(_1255082, v('(', ')', end_of_file), d)
^  Fail: (247) [user] is_delimiter(d)
   Call: (247) [system] ')'==d
   Fail: (247) [system] ')'==d
   Call: (247) [system] get_char((0x563acd73bee0), d)
   Exit: (247) [system] get_char((0x563acd73bee0), d)
   Call: (247) [system] d=(\)
   Fail: (247) [system] d=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x563acd73bee0), _1262432)
   Call: (248) [system] peek_char((0x563acd73bee0), _1263366)
   Exit: (248) [system] peek_char((0x563acd73bee0), u)
^  Call: (248) [user] is_delimiter(u)
   Call: (249) [system] char_type(u, space)
   Fail: (249) [system] char_type(u, space)
   Call: (249) [system] arg(_1268086, v('(', ')', end_of_file), u)
   Fail: (249) [system] arg(_1269018, v('(', ')', end_of_file), u)
^  Fail: (248) [user] is_delimiter(u)
   Call: (248) [system] ')'==u
   Fail: (248) [system] ')'==u
   Call: (248) [system] get_char((0x563acd73bee0), u)
   Exit: (248) [system] get_char((0x563acd73bee0), u)
   Call: (248) [system] u=(\)
   Fail: (248) [system] u=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x563acd73bee0), _1276368)
   Call: (249) [system] peek_char((0x563acd73bee0), _1277302)
   Exit: (249) [system] peek_char((0x563acd73bee0), c)
^  Call: (249) [user] is_delimiter(c)
   Call: (250) [system] char_type(c, space)
   Fail: (250) [system] char_type(c, space)
   Call: (250) [system] arg(_1282022, v('(', ')', end_of_file), c)
   Fail: (250) [system] arg(_1282954, v('(', ')', end_of_file), c)
^  Fail: (249) [user] is_delimiter(c)
   Call: (249) [system] ')'==c
   Fail: (249) [system] ')'==c
   Call: (249) [system] get_char((0x563acd73bee0), c)
   Exit: (249) [system] get_char((0x563acd73bee0), c)
   Call: (249) [system] c=(\)
   Fail: (249) [system] c=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x563acd73bee0), _1290304)
   Call: (250) [system] peek_char((0x563acd73bee0), _1291238)
   Exit: (250) [system] peek_char((0x563acd73bee0), t)
^  Call: (250) [user] is_delimiter(t)
   Call: (251) [system] char_type(t, space)
   Fail: (251) [system] char_type(t, space)
   Call: (251) [system] arg(_1295958, v('(', ')', end_of_file), t)
   Fail: (251) [system] arg(_1296890, v('(', ')', end_of_file), t)
^  Fail: (250) [user] is_delimiter(t)
   Call: (250) [system] ')'==t
   Fail: (250) [system] ')'==t
   Call: (250) [system] get_char((0x563acd73bee0), t)
   Exit: (250) [system] get_char((0x563acd73bee0), t)
   Call: (250) [system] t=(\)
   Fail: (250) [system] t=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x563acd73bee0), _1304240)
   Call: (251) [system] peek_char((0x563acd73bee0), _1305174)
   Exit: (251) [system] peek_char((0x563acd73bee0), i)
^  Call: (251) [user] is_delimiter(i)
   Call: (252) [system] char_type(i, space)
   Fail: (252) [system] char_type(i, space)
   Call: (252) [system] arg(_1309894, v('(', ')', end_of_file), i)
   Fail: (252) [system] arg(_1310826, v('(', ')', end_of_file), i)
^  Fail: (251) [user] is_delimiter(i)
   Call: (251) [system] ')'==i
   Fail: (251) [system] ')'==i
   Call: (251) [system] get_char((0x563acd73bee0), i)
   Exit: (251) [system] get_char((0x563acd73bee0), i)
   Call: (251) [system] i=(\)
   Fail: (251) [system] i=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x563acd73bee0), _1318176)
   Call: (252) [system] peek_char((0x563acd73bee0), _1319110)
   Exit: (252) [system] peek_char((0x563acd73bee0), o)
^  Call: (252) [user] is_delimiter(o)
   Call: (253) [system] char_type(o, space)
   Fail: (253) [system] char_type(o, space)
   Call: (253) [system] arg(_1323830, v('(', ')', end_of_file), o)
   Fail: (253) [system] arg(_1324762, v('(', ')', end_of_file), o)
^  Fail: (252) [user] is_delimiter(o)
   Call: (252) [system] ')'==o
   Fail: (252) [system] ')'==o
   Call: (252) [system] get_char((0x563acd73bee0), o)
   Exit: (252) [system] get_char((0x563acd73bee0), o)
   Call: (252) [system] o=(\)
   Fail: (252) [system] o=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x563acd73bee0), _1332112)
   Call: (253) [system] peek_char((0x563acd73bee0), _1333046)
   Exit: (253) [system] peek_char((0x563acd73bee0), n)
^  Call: (253) [user] is_delimiter(n)
   Call: (254) [system] char_type(n, space)
   Fail: (254) [system] char_type(n, space)
   Call: (254) [system] arg(_1337766, v('(', ')', end_of_file), n)
   Fail: (254) [system] arg(_1338698, v('(', ')', end_of_file), n)
^  Fail: (253) [user] is_delimiter(n)
   Call: (253) [system] ')'==n
   Fail: (253) [system] ')'==n
   Call: (253) [system] get_char((0x563acd73bee0), n)
   Exit: (253) [system] get_char((0x563acd73bee0), n)
   Call: (253) [system] n=(\)
   Fail: (253) [system] n=(\)
^  Call: (253) [user] read_symbolic_cont(')', (0x563acd73bee0), _1346048)
   Call: (254) [system] peek_char((0x563acd73bee0), _1346982)
   Exit: (254) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (254) [user] is_delimiter(' ')
   Call: (255) [system] char_type(' ', space)
   Exit: (255) [system] char_type(' ', space)
^  Exit: (254) [user] is_delimiter(' ')
   Call: (254) [system] _1346048=[]
   Exit: (254) [system] []=[]
^  Exit: (253) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (253) [system] _1332112=[n]
   Exit: (253) [system] [n]=[n]
^  Exit: (252) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (252) [system] _1318176=[o, n]
   Exit: (252) [system] [o, n]=[o, n]
^  Exit: (251) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (251) [system] _1304240=[i, o, n]
   Exit: (251) [system] [i, o, n]=[i, o, n]
^  Exit: (250) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (250) [system] _1290304=[t, i, o, n]
   Exit: (250) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (249) [system] _1276368=[c, t, i, o, n]
   Exit: (249) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n])
   Call: (248) [system] _1262432=[u, c, t, i, o, n]
   Exit: (248) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, i, o, n])
   Call: (247) [system] _1248496=[d, u, c, t, i, o, n]
   Exit: (247) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, u, c, t, i, o, n])
   Call: (246) [system] _1234560=[o, d, u, c, t, i, o, n]
   Exit: (246) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, d, u, c, t, i, o, n])
   Call: (245) [system] _1220624=[r, o, d, u, c, t, i, o, n]
   Exit: (245) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, d, u, c, t, i, o, n])
   Call: (244) [system] _1206688=[t, r, o, d, u, c, t, i, o, n]
   Exit: (244) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, r, o, d, u, c, t, i, o, n])
   Call: (243) [system] _1192752=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (243) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (242) [system] _1178816=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (242) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x563acd73bee0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (241) [system] _1164880=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (241) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (240) [system] _1150944=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (240) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (239) [system] _1137008=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (238) [system] _1123072=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _1109136=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _1095200=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _1081264=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _1067328=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _1053392=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _1039456=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (231) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1003946)
^  Call: (232) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1417734)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_1418686, _1418688), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1417734), _1418668, fail)), '$restore_trace'(_1418686, _1418688))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_1418686, _1418688))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1417734), _1418668, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(_1417734)
   Fail: (233) [system] atomic(_1417734)
   Call: (233) [system] atom_chars(_1417734, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (233) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (232) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (232) [system] integer('DisjunctionIntroduction')
   Fail: (232) [system] integer('DisjunctionIntroduction')
   Call: (232) [system] _1003946='DisjunctionIntroduction'
   Exit: (232) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (231) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (230) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'DisjunctionIntroduction')
^  Exit: (229) [user] cont_sexpr(')', (0x563acd73bee0), 'DisjunctionIntroduction')
^  Call: (229) [user] read_list(')', (0x563acd73bee0), _1432684)
^  Call: (230) [user] skip_spaces((0x563acd73bee0))
   Call: (231) [system] peek_char((0x563acd73bee0), _1434542)
   Exit: (231) [system] peek_char((0x563acd73bee0), ' ')
   Call: (231) [system] ' '=(;)
   Fail: (231) [system] ' '=(;)
   Call: (231) [system] ' '=(/)
   Fail: (231) [system] ' '=(/)
^  Call: (231) [user] is_like_space(' ')
   Call: (232) [system] char_type(' ', 'white')
   Exit: (232) [system] char_type(' ', 'white')
^  Exit: (231) [user] is_like_space(' ')
   Call: (231) [system] get_char((0x563acd73bee0), _1444136)
   Exit: (231) [system] get_char((0x563acd73bee0), ' ')
^  Call: (231) [user] skip_spaces((0x563acd73bee0))
   Call: (232) [system] peek_char((0x563acd73bee0), _1446840)
   Exit: (232) [system] peek_char((0x563acd73bee0), a)
   Call: (232) [system] a=(;)
   Fail: (232) [system] a=(;)
   Call: (232) [system] a=(/)
   Fail: (232) [system] a=(/)
^  Call: (232) [user] is_like_space(a)
   Call: (233) [system] char_type(a, 'white')
   Fail: (233) [system] char_type(a, 'white')
   Call: (233) [system] char_type(a, end_of_line)
   Fail: (233) [system] char_type(a, end_of_line)
   Call: (233) [system] char_type(a, space)
   Fail: (233) [system] char_type(a, space)
   Call: (233) [system] char_type(a, cntrl)
   Fail: (233) [system] char_type(a, cntrl)
^  Fail: (232) [user] is_like_space(a)
^  Exit: (231) [user] skip_spaces((0x563acd73bee0))
^  Exit: (230) [user] skip_spaces((0x563acd73bee0))
   Call: (230) [system] peek_char((0x563acd73bee0), _1463774)
   Exit: (230) [system] peek_char((0x563acd73bee0), a)
   Call: (230) [system] a=')'
   Fail: (230) [system] a=')'
   Call: (230) [system] a=end_of_file
   Fail: (230) [system] a=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x563acd73bee0), _1469344)
^  Call: (231) [user] skip_spaces((0x563acd73bee0))
   Call: (232) [system] peek_char((0x563acd73bee0), _1471202)
   Exit: (232) [system] peek_char((0x563acd73bee0), a)
   Call: (232) [system] a=(;)
   Fail: (232) [system] a=(;)
   Call: (232) [system] a=(/)
   Fail: (232) [system] a=(/)
^  Call: (232) [user] is_like_space(a)
   Call: (233) [system] char_type(a, 'white')
   Fail: (233) [system] char_type(a, 'white')
   Call: (233) [system] char_type(a, end_of_line)
   Fail: (233) [system] char_type(a, end_of_line)
   Call: (233) [system] char_type(a, space)
   Fail: (233) [system] char_type(a, space)
   Call: (233) [system] char_type(a, cntrl)
   Fail: (233) [system] char_type(a, cntrl)
^  Fail: (232) [user] is_like_space(a)
^  Exit: (231) [user] skip_spaces((0x563acd73bee0))
   Call: (231) [system] get_char((0x563acd73bee0), _1487212)
   Exit: (231) [system] get_char((0x563acd73bee0), a)
   Call: (231) [system] a='('
   Fail: (231) [system] a='('
   Call: (231) [system] a='['
   Fail: (231) [system] a='['
   Call: (231) [system] a='{'
   Fail: (231) [system] a='{'
   Call: (231) [system] a='"'
   Fail: (231) [system] a='"'
   Call: (231) [system] a=!
   Fail: (231) [system] a=!
   Call: (231) [system] a='\''
   Fail: (231) [system] a='\''
   Call: (231) [system] a='`'
   Fail: (231) [system] a='`'
   Call: (231) [system] a=end_of_file
   Fail: (231) [system] a=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x563acd73bee0), a, _1469344)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _1504854)
   Call: (233) [system] peek_char((0x563acd73bee0), _1505788)
   Exit: (233) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _1504854=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (232) [user] classify_and_convert_charseq([a], _1469344)
^  Call: (233) [user] classify_and_convert_charseq_([a], _1515072)
^  Call: (235) [system] setup_call_cleanup('$notrace'(_1516024, _1516026), once(user:catch(read_from_chars([a], _1515072), _1516006, fail)), '$restore_trace'(_1516024, _1516026))
^  Call: (236) [system] sig_atomic(system:'$notrace'(_1516024, _1516026))
^  Exit: (235) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1516006, fail)), system:'$restore_trace'(3, -1))
   Call: (234) [system] atomic(a)
   Exit: (234) [system] atomic(a)
^  Exit: (233) [user] classify_and_convert_charseq_([a], a)
   Call: (233) [system] integer(a)
   Fail: (233) [system] integer(a)
   Call: (233) [system] _1469344=a
   Exit: (233) [system] a=a
^  Exit: (232) [user] classify_and_convert_charseq([a], a)
^  Exit: (231) [user] read_symbolic(')', (0x563acd73bee0), a, a)
^  Exit: (230) [user] cont_sexpr(')', (0x563acd73bee0), a)
^  Call: (230) [user] read_list(')', (0x563acd73bee0), _1528152)
^  Call: (231) [user] skip_spaces((0x563acd73bee0))
   Call: (232) [system] peek_char((0x563acd73bee0), _1530010)
   Exit: (232) [system] peek_char((0x563acd73bee0), ' ')
   Call: (232) [system] ' '=(;)
   Fail: (232) [system] ' '=(;)
   Call: (232) [system] ' '=(/)
   Fail: (232) [system] ' '=(/)
^  Call: (232) [user] is_like_space(' ')
   Call: (233) [system] char_type(' ', 'white')
   Exit: (233) [system] char_type(' ', 'white')
^  Exit: (232) [user] is_like_space(' ')
   Call: (232) [system] get_char((0x563acd73bee0), _1539604)
   Exit: (232) [system] get_char((0x563acd73bee0), ' ')
^  Call: (232) [user] skip_spaces((0x563acd73bee0))
   Call: (233) [system] peek_char((0x563acd73bee0), _1542308)
   Exit: (233) [system] peek_char((0x563acd73bee0), a)
   Call: (233) [system] a=(;)
   Fail: (233) [system] a=(;)
   Call: (233) [system] a=(/)
   Fail: (233) [system] a=(/)
^  Call: (233) [user] is_like_space(a)
   Call: (234) [system] char_type(a, 'white')
   Fail: (234) [system] char_type(a, 'white')
   Call: (234) [system] char_type(a, end_of_line)
   Fail: (234) [system] char_type(a, end_of_line)
   Call: (234) [system] char_type(a, space)
   Fail: (234) [system] char_type(a, space)
   Call: (234) [system] char_type(a, cntrl)
   Fail: (234) [system] char_type(a, cntrl)
^  Fail: (233) [user] is_like_space(a)
^  Exit: (232) [user] skip_spaces((0x563acd73bee0))
^  Exit: (231) [user] skip_spaces((0x563acd73bee0))
   Call: (231) [system] peek_char((0x563acd73bee0), _1559242)
   Exit: (231) [system] peek_char((0x563acd73bee0), a)
   Call: (231) [system] a=')'
   Fail: (231) [system] a=')'
   Call: (231) [system] a=end_of_file
   Fail: (231) [system] a=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x563acd73bee0), _1564812)
^  Call: (232) [user] skip_spaces((0x563acd73bee0))
   Call: (233) [system] peek_char((0x563acd73bee0), _1566670)
   Exit: (233) [system] peek_char((0x563acd73bee0), a)
   Call: (233) [system] a=(;)
   Fail: (233) [system] a=(;)
   Call: (233) [system] a=(/)
   Fail: (233) [system] a=(/)
^  Call: (233) [user] is_like_space(a)
   Call: (234) [system] char_type(a, 'white')
   Fail: (234) [system] char_type(a, 'white')
   Call: (234) [system] char_type(a, end_of_line)
   Fail: (234) [system] char_type(a, end_of_line)
   Call: (234) [system] char_type(a, space)
   Fail: (234) [system] char_type(a, space)
   Call: (234) [system] char_type(a, cntrl)
   Fail: (234) [system] char_type(a, cntrl)
^  Fail: (233) [user] is_like_space(a)
^  Exit: (232) [user] skip_spaces((0x563acd73bee0))
   Call: (232) [system] get_char((0x563acd73bee0), _1582680)
   Exit: (232) [system] get_char((0x563acd73bee0), a)
   Call: (232) [system] a='('
   Fail: (232) [system] a='('
   Call: (232) [system] a='['
   Fail: (232) [system] a='['
   Call: (232) [system] a='{'
   Fail: (232) [system] a='{'
   Call: (232) [system] a='"'
   Fail: (232) [system] a='"'
   Call: (232) [system] a=!
   Fail: (232) [system] a=!
   Call: (232) [system] a='\''
   Fail: (232) [system] a='\''
   Call: (232) [system] a='`'
   Fail: (232) [system] a='`'
   Call: (232) [system] a=end_of_file
   Fail: (232) [system] a=end_of_file
^  Call: (232) [user] read_symbolic(')', (0x563acd73bee0), a, _1564812)
^  Call: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), _1600322)
   Call: (234) [system] peek_char((0x563acd73bee0), _1601256)
   Exit: (234) [system] peek_char((0x563acd73bee0), ')')
^  Call: (234) [user] is_delimiter(')')
   Call: (235) [system] char_type(')', space)
   Fail: (235) [system] char_type(')', space)
   Call: (235) [system] arg(_1605976, v('(', ')', end_of_file), ')')
   Exit: (235) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (234) [user] is_delimiter(')')
   Call: (234) [system] _1600322=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (233) [user] classify_and_convert_charseq([a], _1564812)
^  Call: (234) [user] classify_and_convert_charseq_([a], _1612412)
^  Call: (236) [system] setup_call_cleanup('$notrace'(_1613364, _1613366), once(user:catch(read_from_chars([a], _1612412), _1613346, fail)), '$restore_trace'(_1613364, _1613366))
^  Call: (237) [system] sig_atomic(system:'$notrace'(_1613364, _1613366))
^  Exit: (236) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1613346, fail)), system:'$restore_trace'(3, -1))
   Call: (235) [system] atomic(a)
   Exit: (235) [system] atomic(a)
^  Exit: (234) [user] classify_and_convert_charseq_([a], a)
   Call: (234) [system] integer(a)
   Fail: (234) [system] integer(a)
   Call: (234) [system] _1564812=a
   Exit: (234) [system] a=a
^  Exit: (233) [user] classify_and_convert_charseq([a], a)
^  Exit: (232) [user] read_symbolic(')', (0x563acd73bee0), a, a)
^  Exit: (231) [user] cont_sexpr(')', (0x563acd73bee0), a)
^  Call: (231) [user] read_list(')', (0x563acd73bee0), _1625492)
^  Call: (232) [user] skip_spaces((0x563acd73bee0))
   Call: (233) [system] peek_char((0x563acd73bee0), _1627350)
   Exit: (233) [system] peek_char((0x563acd73bee0), ')')
   Call: (233) [system] ')'=(;)
   Fail: (233) [system] ')'=(;)
   Call: (233) [system] ')'=(/)
   Fail: (233) [system] ')'=(/)
^  Call: (233) [user] is_like_space(')')
   Call: (234) [system] char_type(')', 'white')
   Fail: (234) [system] char_type(')', 'white')
   Call: (234) [system] char_type(')', end_of_line)
   Fail: (234) [system] char_type(')', end_of_line)
   Call: (234) [system] char_type(')', space)
   Fail: (234) [system] char_type(')', space)
   Call: (234) [system] char_type(')', cntrl)
   Fail: (234) [system] char_type(')', cntrl)
^  Fail: (233) [user] is_like_space(')')
^  Exit: (232) [user] skip_spaces((0x563acd73bee0))
   Call: (232) [system] peek_char((0x563acd73bee0), _1643360)
   Exit: (232) [system] peek_char((0x563acd73bee0), ')')
   Call: (232) [system] ')'=')'
   Exit: (232) [system] ')'=')'
   Call: (232) [system] get_char((0x563acd73bee0), _1647150)
   Exit: (232) [system] get_char((0x563acd73bee0), ')')
   Call: (232) [system] _1625492=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_list(')', (0x563acd73bee0), [])
   Call: (231) [system] _1528152=[a]
   Exit: (231) [system] [a]=[a]
^  Exit: (230) [user] read_list(')', (0x563acd73bee0), [a])
   Call: (230) [system] _1432684=[a, a]
   Exit: (230) [system] [a, a]=[a, a]
^  Exit: (229) [user] read_list(')', (0x563acd73bee0), [a, a])
   Call: (229) [system] _958928=['DisjunctionIntroduction', a, a]
   Exit: (229) [system] ['DisjunctionIntroduction', a, a]=['DisjunctionIntroduction', a, a]
^  Exit: (228) [user] read_list(')', (0x563acd73bee0), ['DisjunctionIntroduction', a, a])
^  Exit: (227) [user] cont_sexpr(')', (0x563acd73bee0), ['DisjunctionIntroduction', a, a])
^  Call: (227) [user] read_list(')', (0x563acd73bee0), _1661032)
^  Call: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] peek_char((0x563acd73bee0), _1662890)
   Exit: (229) [system] peek_char((0x563acd73bee0), ' ')
   Call: (229) [system] ' '=(;)
   Fail: (229) [system] ' '=(;)
   Call: (229) [system] ' '=(/)
   Fail: (229) [system] ' '=(/)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x563acd73bee0), _1672484)
   Exit: (229) [system] get_char((0x563acd73bee0), ' ')
^  Call: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (230) [system] peek_char((0x563acd73bee0), _1675188)
   Exit: (230) [system] peek_char((0x563acd73bee0), '(')
   Call: (230) [system] '('=(;)
   Fail: (230) [system] '('=(;)
   Call: (230) [system] '('=(/)
   Fail: (230) [system] '('=(/)
^  Call: (230) [user] is_like_space('(')
   Call: (231) [system] char_type('(', 'white')
   Fail: (231) [system] char_type('(', 'white')
   Call: (231) [system] char_type('(', end_of_line)
   Fail: (231) [system] char_type('(', end_of_line)
   Call: (231) [system] char_type('(', space)
   Fail: (231) [system] char_type('(', space)
   Call: (231) [system] char_type('(', cntrl)
   Fail: (231) [system] char_type('(', cntrl)
^  Fail: (230) [user] is_like_space('(')
^  Exit: (229) [user] skip_spaces((0x563acd73bee0))
^  Exit: (228) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _1692122)
   Exit: (228) [system] peek_char((0x563acd73bee0), '(')
   Call: (228) [system] '('=')'
   Fail: (228) [system] '('=')'
   Call: (228) [system] '('=end_of_file
   Fail: (228) [system] '('=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x563acd73bee0), _1697692)
^  Call: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (230) [system] peek_char((0x563acd73bee0), _1699550)
   Exit: (230) [system] peek_char((0x563acd73bee0), '(')
   Call: (230) [system] '('=(;)
   Fail: (230) [system] '('=(;)
   Call: (230) [system] '('=(/)
   Fail: (230) [system] '('=(/)
^  Call: (230) [user] is_like_space('(')
   Call: (231) [system] char_type('(', 'white')
   Fail: (231) [system] char_type('(', 'white')
   Call: (231) [system] char_type('(', end_of_line)
   Fail: (231) [system] char_type('(', end_of_line)
   Call: (231) [system] char_type('(', space)
   Fail: (231) [system] char_type('(', space)
   Call: (231) [system] char_type('(', cntrl)
   Fail: (231) [system] char_type('(', cntrl)
^  Fail: (230) [user] is_like_space('(')
^  Exit: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] get_char((0x563acd73bee0), _1715560)
   Exit: (229) [system] get_char((0x563acd73bee0), '(')
   Call: (229) [system] '('='('
   Exit: (229) [system] '('='('
^  Call: (229) [user] read_list(')', (0x563acd73bee0), _1697692)
^  Call: (230) [user] skip_spaces((0x563acd73bee0))
   Call: (231) [system] peek_char((0x563acd73bee0), _1721130)
   Exit: (231) [system] peek_char((0x563acd73bee0), 'O')
   Call: (231) [system] 'O'=(;)
   Fail: (231) [system] 'O'=(;)
   Call: (231) [system] 'O'=(/)
   Fail: (231) [system] 'O'=(/)
^  Call: (231) [user] is_like_space('O')
   Call: (232) [system] char_type('O', 'white')
   Fail: (232) [system] char_type('O', 'white')
   Call: (232) [system] char_type('O', end_of_line)
   Fail: (232) [system] char_type('O', end_of_line)
   Call: (232) [system] char_type('O', space)
   Fail: (232) [system] char_type('O', space)
   Call: (232) [system] char_type('O', cntrl)
   Fail: (232) [system] char_type('O', cntrl)
^  Fail: (231) [user] is_like_space('O')
^  Exit: (230) [user] skip_spaces((0x563acd73bee0))
   Call: (230) [system] peek_char((0x563acd73bee0), _1737140)
   Exit: (230) [system] peek_char((0x563acd73bee0), 'O')
   Call: (230) [system] 'O'=')'
   Fail: (230) [system] 'O'=')'
   Call: (230) [system] 'O'=end_of_file
   Fail: (230) [system] 'O'=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x563acd73bee0), _1742710)
^  Call: (231) [user] skip_spaces((0x563acd73bee0))
   Call: (232) [system] peek_char((0x563acd73bee0), _1744568)
   Exit: (232) [system] peek_char((0x563acd73bee0), 'O')
   Call: (232) [system] 'O'=(;)
   Fail: (232) [system] 'O'=(;)
   Call: (232) [system] 'O'=(/)
   Fail: (232) [system] 'O'=(/)
^  Call: (232) [user] is_like_space('O')
   Call: (233) [system] char_type('O', 'white')
   Fail: (233) [system] char_type('O', 'white')
   Call: (233) [system] char_type('O', end_of_line)
   Fail: (233) [system] char_type('O', end_of_line)
   Call: (233) [system] char_type('O', space)
   Fail: (233) [system] char_type('O', space)
   Call: (233) [system] char_type('O', cntrl)
   Fail: (233) [system] char_type('O', cntrl)
^  Fail: (232) [user] is_like_space('O')
^  Exit: (231) [user] skip_spaces((0x563acd73bee0))
   Call: (231) [system] get_char((0x563acd73bee0), _1760578)
   Exit: (231) [system] get_char((0x563acd73bee0), 'O')
   Call: (231) [system] 'O'='('
   Fail: (231) [system] 'O'='('
   Call: (231) [system] 'O'='['
   Fail: (231) [system] 'O'='['
   Call: (231) [system] 'O'='{'
   Fail: (231) [system] 'O'='{'
   Call: (231) [system] 'O'='"'
   Fail: (231) [system] 'O'='"'
   Call: (231) [system] 'O'=!
   Fail: (231) [system] 'O'=!
   Call: (231) [system] 'O'='\''
   Fail: (231) [system] 'O'='\''
   Call: (231) [system] 'O'='`'
   Fail: (231) [system] 'O'='`'
   Call: (231) [system] 'O'=end_of_file
   Fail: (231) [system] 'O'=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x563acd73bee0), 'O', _1742710)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _1778220)
   Call: (233) [system] peek_char((0x563acd73bee0), _1779154)
   Exit: (233) [system] peek_char((0x563acd73bee0), r)
^  Call: (233) [user] is_delimiter(r)
   Call: (234) [system] char_type(r, space)
   Fail: (234) [system] char_type(r, space)
   Call: (234) [system] arg(_1783874, v('(', ')', end_of_file), r)
   Fail: (234) [system] arg(_1784806, v('(', ')', end_of_file), r)
^  Fail: (233) [user] is_delimiter(r)
   Call: (233) [system] ')'==r
   Fail: (233) [system] ')'==r
   Call: (233) [system] get_char((0x563acd73bee0), r)
   Exit: (233) [system] get_char((0x563acd73bee0), r)
   Call: (233) [system] r=(\)
   Fail: (233) [system] r=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), _1792156)
   Call: (234) [system] peek_char((0x563acd73bee0), _1793090)
   Exit: (234) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (234) [user] is_delimiter('L')
   Call: (235) [system] char_type('L', space)
   Fail: (235) [system] char_type('L', space)
   Call: (235) [system] arg(_1797810, v('(', ')', end_of_file), 'L')
   Fail: (235) [system] arg(_1798742, v('(', ')', end_of_file), 'L')
^  Fail: (234) [user] is_delimiter('L')
   Call: (234) [system] ')'=='L'
   Fail: (234) [system] ')'=='L'
   Call: (234) [system] get_char((0x563acd73bee0), 'L')
   Exit: (234) [system] get_char((0x563acd73bee0), 'L')
   Call: (234) [system] 'L'=(\)
   Fail: (234) [system] 'L'=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), _1806092)
   Call: (235) [system] peek_char((0x563acd73bee0), _1807026)
   Exit: (235) [system] peek_char((0x563acd73bee0), i)
^  Call: (235) [user] is_delimiter(i)
   Call: (236) [system] char_type(i, space)
   Fail: (236) [system] char_type(i, space)
   Call: (236) [system] arg(_1811746, v('(', ')', end_of_file), i)
   Fail: (236) [system] arg(_1812678, v('(', ')', end_of_file), i)
^  Fail: (235) [user] is_delimiter(i)
   Call: (235) [system] ')'==i
   Fail: (235) [system] ')'==i
   Call: (235) [system] get_char((0x563acd73bee0), i)
   Exit: (235) [system] get_char((0x563acd73bee0), i)
   Call: (235) [system] i=(\)
   Fail: (235) [system] i=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), _1820028)
   Call: (236) [system] peek_char((0x563acd73bee0), _1820962)
   Exit: (236) [system] peek_char((0x563acd73bee0), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Fail: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_1825682, v('(', ')', end_of_file), n)
   Fail: (237) [system] arg(_1826614, v('(', ')', end_of_file), n)
^  Fail: (236) [user] is_delimiter(n)
   Call: (236) [system] ')'==n
   Fail: (236) [system] ')'==n
   Call: (236) [system] get_char((0x563acd73bee0), n)
   Exit: (236) [system] get_char((0x563acd73bee0), n)
   Call: (236) [system] n=(\)
   Fail: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), _1833964)
   Call: (237) [system] peek_char((0x563acd73bee0), _1834898)
   Exit: (237) [system] peek_char((0x563acd73bee0), k)
^  Call: (237) [user] is_delimiter(k)
   Call: (238) [system] char_type(k, space)
   Fail: (238) [system] char_type(k, space)
   Call: (238) [system] arg(_1839618, v('(', ')', end_of_file), k)
   Fail: (238) [system] arg(_1840550, v('(', ')', end_of_file), k)
^  Fail: (237) [user] is_delimiter(k)
   Call: (237) [system] ')'==k
   Fail: (237) [system] ')'==k
   Call: (237) [system] get_char((0x563acd73bee0), k)
   Exit: (237) [system] get_char((0x563acd73bee0), k)
   Call: (237) [system] k=(\)
   Fail: (237) [system] k=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), _1847900)
   Call: (238) [system] peek_char((0x563acd73bee0), _1848834)
   Exit: (238) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (238) [user] is_delimiter(' ')
   Call: (239) [system] char_type(' ', space)
   Exit: (239) [system] char_type(' ', space)
^  Exit: (238) [user] is_delimiter(' ')
   Call: (238) [system] _1847900=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (237) [system] _1833964=[k]
   Exit: (237) [system] [k]=[k]
^  Exit: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (236) [system] _1820028=[n, k]
   Exit: (236) [system] [n, k]=[n, k]
^  Exit: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (235) [system] _1806092=[i, n, k]
   Exit: (235) [system] [i, n, k]=[i, n, k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (234) [system] _1792156=['L', i, n, k]
   Exit: (234) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (233) [system] _1778220=[r, 'L', i, n, k]
   Exit: (233) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (232) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1742710)
^  Call: (233) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1872088)
^  Call: (235) [system] setup_call_cleanup('$notrace'(_1873040, _1873042), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1872088), _1873022, fail)), '$restore_trace'(_1873040, _1873042))
^  Call: (236) [system] sig_atomic(system:'$notrace'(_1873040, _1873042))
^  Exit: (235) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1872088), _1873022, fail)), system:'$restore_trace'(3, -1))
   Call: (234) [system] atomic(_1872088)
   Fail: (234) [system] atomic(_1872088)
   Call: (234) [system] atom_chars(_1872088, ['O', r, 'L', i, n, k])
   Exit: (234) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (233) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (233) [system] integer('OrLink')
   Fail: (233) [system] integer('OrLink')
   Call: (233) [system] _1742710='OrLink'
   Exit: (233) [system] 'OrLink'='OrLink'
^  Exit: (232) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (231) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (230) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (230) [user] read_list(')', (0x563acd73bee0), _1887038)
^  Call: (231) [user] skip_spaces((0x563acd73bee0))
   Call: (232) [system] peek_char((0x563acd73bee0), _1888896)
   Exit: (232) [system] peek_char((0x563acd73bee0), ' ')
   Call: (232) [system] ' '=(;)
   Fail: (232) [system] ' '=(;)
   Call: (232) [system] ' '=(/)
   Fail: (232) [system] ' '=(/)
^  Call: (232) [user] is_like_space(' ')
   Call: (233) [system] char_type(' ', 'white')
   Exit: (233) [system] char_type(' ', 'white')
^  Exit: (232) [user] is_like_space(' ')
   Call: (232) [system] get_char((0x563acd73bee0), _1898490)
   Exit: (232) [system] get_char((0x563acd73bee0), ' ')
^  Call: (232) [user] skip_spaces((0x563acd73bee0))
   Call: (233) [system] peek_char((0x563acd73bee0), _1901194)
   Exit: (233) [system] peek_char((0x563acd73bee0), 'B')
   Call: (233) [system] 'B'=(;)
   Fail: (233) [system] 'B'=(;)
   Call: (233) [system] 'B'=(/)
   Fail: (233) [system] 'B'=(/)
^  Call: (233) [user] is_like_space('B')
   Call: (234) [system] char_type('B', 'white')
   Fail: (234) [system] char_type('B', 'white')
   Call: (234) [system] char_type('B', end_of_line)
   Fail: (234) [system] char_type('B', end_of_line)
   Call: (234) [system] char_type('B', space)
   Fail: (234) [system] char_type('B', space)
   Call: (234) [system] char_type('B', cntrl)
   Fail: (234) [system] char_type('B', cntrl)
^  Fail: (233) [user] is_like_space('B')
^  Exit: (232) [user] skip_spaces((0x563acd73bee0))
^  Exit: (231) [user] skip_spaces((0x563acd73bee0))
   Call: (231) [system] peek_char((0x563acd73bee0), _1918128)
   Exit: (231) [system] peek_char((0x563acd73bee0), 'B')
   Call: (231) [system] 'B'=')'
   Fail: (231) [system] 'B'=')'
   Call: (231) [system] 'B'=end_of_file
   Fail: (231) [system] 'B'=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x563acd73bee0), _1923698)
^  Call: (232) [user] skip_spaces((0x563acd73bee0))
   Call: (233) [system] peek_char((0x563acd73bee0), _1925556)
   Exit: (233) [system] peek_char((0x563acd73bee0), 'B')
   Call: (233) [system] 'B'=(;)
   Fail: (233) [system] 'B'=(;)
   Call: (233) [system] 'B'=(/)
   Fail: (233) [system] 'B'=(/)
^  Call: (233) [user] is_like_space('B')
   Call: (234) [system] char_type('B', 'white')
   Fail: (234) [system] char_type('B', 'white')
   Call: (234) [system] char_type('B', end_of_line)
   Fail: (234) [system] char_type('B', end_of_line)
   Call: (234) [system] char_type('B', space)
   Fail: (234) [system] char_type('B', space)
   Call: (234) [system] char_type('B', cntrl)
   Fail: (234) [system] char_type('B', cntrl)
^  Fail: (233) [user] is_like_space('B')
^  Exit: (232) [user] skip_spaces((0x563acd73bee0))
   Call: (232) [system] get_char((0x563acd73bee0), _1941566)
   Exit: (232) [system] get_char((0x563acd73bee0), 'B')
   Call: (232) [system] 'B'='('
   Fail: (232) [system] 'B'='('
   Call: (232) [system] 'B'='['
   Fail: (232) [system] 'B'='['
   Call: (232) [system] 'B'='{'
   Fail: (232) [system] 'B'='{'
   Call: (232) [system] 'B'='"'
   Fail: (232) [system] 'B'='"'
   Call: (232) [system] 'B'=!
   Fail: (232) [system] 'B'=!
   Call: (232) [system] 'B'='\''
   Fail: (232) [system] 'B'='\''
   Call: (232) [system] 'B'='`'
   Fail: (232) [system] 'B'='`'
   Call: (232) [system] 'B'=end_of_file
   Fail: (232) [system] 'B'=end_of_file
^  Call: (232) [user] read_symbolic(')', (0x563acd73bee0), 'B', _1923698)
^  Call: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), _1959208)
   Call: (234) [system] peek_char((0x563acd73bee0), _1960142)
   Exit: (234) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _1959208=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (233) [user] classify_and_convert_charseq(['B'], _1923698)
^  Call: (234) [user] classify_and_convert_charseq_(['B'], _1969426)
^  Call: (236) [system] setup_call_cleanup('$notrace'(_1970378, _1970380), once(user:catch(read_from_chars(['B'], _1969426), _1970360, fail)), '$restore_trace'(_1970378, _1970380))
^  Call: (237) [system] sig_atomic(system:'$notrace'(_1970378, _1970380))
^  Exit: (236) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1969426), _1970360, fail)), system:'$restore_trace'(3, -1))
   Call: (235) [system] atomic(_1969426)
   Fail: (235) [system] atomic(_1969426)
   Call: (235) [system] atom_chars(_1969426, ['B'])
   Exit: (235) [system] atom_chars('B', ['B'])
^  Exit: (234) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (234) [system] integer('B')
   Fail: (234) [system] integer('B')
   Call: (234) [system] _1923698='B'
   Exit: (234) [system] 'B'='B'
^  Exit: (233) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (232) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (231) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (231) [user] read_list(')', (0x563acd73bee0), _1984376)
^  Call: (232) [user] skip_spaces((0x563acd73bee0))
   Call: (233) [system] peek_char((0x563acd73bee0), _1986234)
   Exit: (233) [system] peek_char((0x563acd73bee0), ' ')
   Call: (233) [system] ' '=(;)
   Fail: (233) [system] ' '=(;)
   Call: (233) [system] ' '=(/)
   Fail: (233) [system] ' '=(/)
^  Call: (233) [user] is_like_space(' ')
   Call: (234) [system] char_type(' ', 'white')
   Exit: (234) [system] char_type(' ', 'white')
^  Exit: (233) [user] is_like_space(' ')
   Call: (233) [system] get_char((0x563acd73bee0), _1995828)
   Exit: (233) [system] get_char((0x563acd73bee0), ' ')
^  Call: (233) [user] skip_spaces((0x563acd73bee0))
   Call: (234) [system] peek_char((0x563acd73bee0), _1998532)
   Exit: (234) [system] peek_char((0x563acd73bee0), 'B')
   Call: (234) [system] 'B'=(;)
   Fail: (234) [system] 'B'=(;)
   Call: (234) [system] 'B'=(/)
   Fail: (234) [system] 'B'=(/)
^  Call: (234) [user] is_like_space('B')
   Call: (235) [system] char_type('B', 'white')
   Fail: (235) [system] char_type('B', 'white')
   Call: (235) [system] char_type('B', end_of_line)
   Fail: (235) [system] char_type('B', end_of_line)
   Call: (235) [system] char_type('B', space)
   Fail: (235) [system] char_type('B', space)
   Call: (235) [system] char_type('B', cntrl)
   Fail: (235) [system] char_type('B', cntrl)
^  Fail: (234) [user] is_like_space('B')
^  Exit: (233) [user] skip_spaces((0x563acd73bee0))
^  Exit: (232) [user] skip_spaces((0x563acd73bee0))
   Call: (232) [system] peek_char((0x563acd73bee0), _2015466)
   Exit: (232) [system] peek_char((0x563acd73bee0), 'B')
   Call: (232) [system] 'B'=')'
   Fail: (232) [system] 'B'=')'
   Call: (232) [system] 'B'=end_of_file
   Fail: (232) [system] 'B'=end_of_file
^  Call: (232) [user] cont_sexpr(')', (0x563acd73bee0), _2021036)
^  Call: (233) [user] skip_spaces((0x563acd73bee0))
   Call: (234) [system] peek_char((0x563acd73bee0), _2022894)
   Exit: (234) [system] peek_char((0x563acd73bee0), 'B')
   Call: (234) [system] 'B'=(;)
   Fail: (234) [system] 'B'=(;)
   Call: (234) [system] 'B'=(/)
   Fail: (234) [system] 'B'=(/)
^  Call: (234) [user] is_like_space('B')
   Call: (235) [system] char_type('B', 'white')
   Fail: (235) [system] char_type('B', 'white')
   Call: (235) [system] char_type('B', end_of_line)
   Fail: (235) [system] char_type('B', end_of_line)
   Call: (235) [system] char_type('B', space)
   Fail: (235) [system] char_type('B', space)
   Call: (235) [system] char_type('B', cntrl)
   Fail: (235) [system] char_type('B', cntrl)
^  Fail: (234) [user] is_like_space('B')
^  Exit: (233) [user] skip_spaces((0x563acd73bee0))
   Call: (233) [system] get_char((0x563acd73bee0), _2038904)
   Exit: (233) [system] get_char((0x563acd73bee0), 'B')
   Call: (233) [system] 'B'='('
   Fail: (233) [system] 'B'='('
   Call: (233) [system] 'B'='['
   Fail: (233) [system] 'B'='['
   Call: (233) [system] 'B'='{'
   Fail: (233) [system] 'B'='{'
   Call: (233) [system] 'B'='"'
   Fail: (233) [system] 'B'='"'
   Call: (233) [system] 'B'=!
   Fail: (233) [system] 'B'=!
   Call: (233) [system] 'B'='\''
   Fail: (233) [system] 'B'='\''
   Call: (233) [system] 'B'='`'
   Fail: (233) [system] 'B'='`'
   Call: (233) [system] 'B'=end_of_file
   Fail: (233) [system] 'B'=end_of_file
^  Call: (233) [user] read_symbolic(')', (0x563acd73bee0), 'B', _2021036)
^  Call: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), _2056546)
   Call: (235) [system] peek_char((0x563acd73bee0), _2057480)
   Exit: (235) [system] peek_char((0x563acd73bee0), ')')
^  Call: (235) [user] is_delimiter(')')
   Call: (236) [system] char_type(')', space)
   Fail: (236) [system] char_type(')', space)
   Call: (236) [system] arg(_2062200, v('(', ')', end_of_file), ')')
   Exit: (236) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (235) [user] is_delimiter(')')
   Call: (235) [system] _2056546=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (234) [user] classify_and_convert_charseq(['B'], _2021036)
^  Call: (235) [user] classify_and_convert_charseq_(['B'], _2068636)
^  Call: (237) [system] setup_call_cleanup('$notrace'(_2069588, _2069590), once(user:catch(read_from_chars(['B'], _2068636), _2069570, fail)), '$restore_trace'(_2069588, _2069590))
^  Call: (238) [system] sig_atomic(system:'$notrace'(_2069588, _2069590))
^  Exit: (237) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _2068636), _2069570, fail)), system:'$restore_trace'(3, -1))
   Call: (236) [system] atomic(_2068636)
   Fail: (236) [system] atomic(_2068636)
   Call: (236) [system] atom_chars(_2068636, ['B'])
   Exit: (236) [system] atom_chars('B', ['B'])
^  Exit: (235) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (235) [system] integer('B')
   Fail: (235) [system] integer('B')
   Call: (235) [system] _2021036='B'
   Exit: (235) [system] 'B'='B'
^  Exit: (234) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (233) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (232) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (232) [user] read_list(')', (0x563acd73bee0), _2083586)
^  Call: (233) [user] skip_spaces((0x563acd73bee0))
   Call: (234) [system] peek_char((0x563acd73bee0), _2085444)
   Exit: (234) [system] peek_char((0x563acd73bee0), ')')
   Call: (234) [system] ')'=(;)
   Fail: (234) [system] ')'=(;)
   Call: (234) [system] ')'=(/)
   Fail: (234) [system] ')'=(/)
^  Call: (234) [user] is_like_space(')')
   Call: (235) [system] char_type(')', 'white')
   Fail: (235) [system] char_type(')', 'white')
   Call: (235) [system] char_type(')', end_of_line)
   Fail: (235) [system] char_type(')', end_of_line)
   Call: (235) [system] char_type(')', space)
   Fail: (235) [system] char_type(')', space)
   Call: (235) [system] char_type(')', cntrl)
   Fail: (235) [system] char_type(')', cntrl)
^  Fail: (234) [user] is_like_space(')')
^  Exit: (233) [user] skip_spaces((0x563acd73bee0))
   Call: (233) [system] peek_char((0x563acd73bee0), _11266)
   Exit: (233) [system] peek_char((0x563acd73bee0), ')')
   Call: (233) [system] ')'=')'
   Exit: (233) [system] ')'=')'
   Call: (233) [system] get_char((0x563acd73bee0), _15056)
   Exit: (233) [system] get_char((0x563acd73bee0), ')')
   Call: (233) [system] _6688=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_list(')', (0x563acd73bee0), [])
   Call: (232) [system] _6682=['B']
   Exit: (232) [system] ['B']=['B']
^  Exit: (231) [user] read_list(')', (0x563acd73bee0), ['B'])
   Call: (231) [system] _6676=['B', 'B']
   Exit: (231) [system] ['B', 'B']=['B', 'B']
^  Exit: (230) [user] read_list(')', (0x563acd73bee0), ['B', 'B'])
   Call: (230) [system] _6668=['OrLink', 'B', 'B']
   Exit: (230) [system] ['OrLink', 'B', 'B']=['OrLink', 'B', 'B']
^  Exit: (229) [user] read_list(')', (0x563acd73bee0), ['OrLink', 'B', 'B'])
^  Exit: (228) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', 'B', 'B'])
^  Call: (228) [user] read_list(')', (0x563acd73bee0), _28938)
^  Call: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (230) [system] peek_char((0x563acd73bee0), _30796)
   Exit: (230) [system] peek_char((0x563acd73bee0), ')')
   Call: (230) [system] ')'=(;)
   Fail: (230) [system] ')'=(;)
   Call: (230) [system] ')'=(/)
   Fail: (230) [system] ')'=(/)
^  Call: (230) [user] is_like_space(')')
   Call: (231) [system] char_type(')', 'white')
   Fail: (231) [system] char_type(')', 'white')
   Call: (231) [system] char_type(')', end_of_line)
   Fail: (231) [system] char_type(')', end_of_line)
   Call: (231) [system] char_type(')', space)
   Fail: (231) [system] char_type(')', space)
   Call: (231) [system] char_type(')', cntrl)
   Fail: (231) [system] char_type(')', cntrl)
^  Fail: (230) [user] is_like_space(')')
^  Exit: (229) [user] skip_spaces((0x563acd73bee0))
   Call: (229) [system] peek_char((0x563acd73bee0), _46806)
   Exit: (229) [system] peek_char((0x563acd73bee0), ')')
   Call: (229) [system] ')'=')'
   Exit: (229) [system] ')'=')'
   Call: (229) [system] get_char((0x563acd73bee0), _50596)
   Exit: (229) [system] get_char((0x563acd73bee0), ')')
   Call: (229) [system] _28938=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_list(')', (0x563acd73bee0), [])
   Call: (228) [system] _6664=[['OrLink', 'B', 'B']]
   Exit: (228) [system] [['OrLink', 'B', 'B']]=[['OrLink', 'B', 'B']]
^  Exit: (227) [user] read_list(')', (0x563acd73bee0), [['OrLink', 'B', 'B']])
   Call: (227) [system] _6640=[['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]
   Exit: (227) [system] [['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]=[['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]
^  Exit: (226) [user] read_list(')', (0x563acd73bee0), [['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']])
   Call: (226) [system] _6632=[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]
   Exit: (226) [system] [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]=[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]
^  Exit: (225) [user] read_list(')', (0x563acd73bee0), [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']])
^  Exit: (224) [user] cont_sexpr(')', (0x563acd73bee0), [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']])
^  Call: (224) [user] read_list(')', (0x563acd73bee0), _64478)
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _66336)
   Exit: (226) [system] peek_char((0x563acd73bee0), ')')
   Call: (226) [system] ')'=(;)
   Fail: (226) [system] ')'=(;)
   Call: (226) [system] ')'=(/)
   Fail: (226) [system] ')'=(/)
^  Call: (226) [user] is_like_space(')')
   Call: (227) [system] char_type(')', 'white')
   Fail: (227) [system] char_type(')', 'white')
   Call: (227) [system] char_type(')', end_of_line)
   Fail: (227) [system] char_type(')', end_of_line)
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] char_type(')', cntrl)
   Fail: (227) [system] char_type(')', cntrl)
^  Fail: (226) [user] is_like_space(')')
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _82346)
   Exit: (225) [system] peek_char((0x563acd73bee0), ')')
   Call: (225) [system] ')'=')'
   Exit: (225) [system] ')'=')'
   Call: (225) [system] get_char((0x563acd73bee0), _86136)
   Exit: (225) [system] get_char((0x563acd73bee0), ')')
   Call: (225) [system] _64478=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_list(')', (0x563acd73bee0), [])
   Call: (224) [system] _6628=[[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (224) [system] [[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (223) [user] read_list(')', (0x563acd73bee0), [[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (223) [system] _6568=[[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (223) [system] [[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (222) [user] read_list(')', (0x563acd73bee0), [[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (222) [system] _6472=[[:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (222) [system] [[:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (221) [user] read_list(')', (0x563acd73bee0), [[:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (221) [system] _6376=[[:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (221) [system] [[:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (220) [user] read_list(')', (0x563acd73bee0), [[:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (220) [system] _6316=[[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (220) [system] [[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (219) [user] read_list(')', (0x563acd73bee0), [[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (219) [system] _6256=[[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (219) [system] [[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (218) [user] read_list(')', (0x563acd73bee0), [[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (218) [system] _6160=[[:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (218) [system] [[:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (217) [user] read_list(')', (0x563acd73bee0), [[:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (217) [system] _6064=[[:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (217) [system] [[:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (216) [user] read_list(')', (0x563acd73bee0), [[:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (216) [system] _5968=[[:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (216) [system] [[:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (215) [user] read_list(')', (0x563acd73bee0), [[:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (215) [system] _5872=[[:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (215) [system] [[:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (214) [user] read_list(')', (0x563acd73bee0), [[:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (214) [system] _5740=[[:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (214) [system] [[:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (213) [user] read_list(')', (0x563acd73bee0), [[:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (213) [system] _5608=[[:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (213) [system] [[:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (212) [user] read_list(')', (0x563acd73bee0), [[:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (212) [system] _5512=[[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (212) [system] [[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (211) [user] read_list(')', (0x563acd73bee0), [[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (211) [system] _5416=[[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (211) [system] [[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (210) [user] read_list(')', (0x563acd73bee0), [[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (210) [system] _5284=[[:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (210) [system] [[:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (209) [user] read_list(')', (0x563acd73bee0), [[:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (209) [system] _5152=[[:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (209) [system] [[:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (208) [user] read_list(')', (0x563acd73bee0), [[:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (208) [system] _5092=[[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (208) [system] [[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (207) [user] read_list(')', (0x563acd73bee0), [[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (207) [system] _5032=[[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (207) [system] [[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (206) [user] read_list(')', (0x563acd73bee0), [[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (206) [system] _4936=[[:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (206) [system] [[:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (205) [user] read_list(')', (0x563acd73bee0), [[:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (205) [system] _4840=[[:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (205) [system] [[:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (204) [user] read_list(')', (0x563acd73bee0), [[:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (204) [system] _4780=[[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (204) [system] [[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (203) [user] read_list(')', (0x563acd73bee0), [[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (203) [system] _4720=[[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (203) [system] [[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (202) [user] read_list(')', (0x563acd73bee0), [[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (202) [system] _4624=[[:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (202) [system] [[:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (201) [user] read_list(')', (0x563acd73bee0), [[:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (201) [system] _4528=[[:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (201) [system] [[:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), [[:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (200) [system] _4432=[[:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (200) [system] [[:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), [[:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (199) [system] _4336=[[:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (199) [system] [[:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (198) [user] read_list(')', (0x563acd73bee0), [[:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (198) [system] _4204=[[:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (198) [system] [[:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (197) [user] read_list(')', (0x563acd73bee0), [[:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (197) [system] _4072=[[:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (197) [system] [[:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (196) [user] read_list(')', (0x563acd73bee0), [[:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (196) [system] _3976=[[:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (196) [system] [[:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), [[:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (195) [system] _3880=[[:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (195) [system] [[:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), [[:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (194) [system] _3748=[[:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (194) [system] [[:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), [[:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (193) [system] _3616=[[:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (193) [system] [[:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), [[:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (192) [system] _3592=[[:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (192) [system] [[:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (191) [user] read_list(')', (0x563acd73bee0), [[:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (191) [system] _3568=[[:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (191) [system] [[:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (190) [user] read_list(')', (0x563acd73bee0), [[:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (190) [system] _3508=[[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (190) [system] [[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (189) [user] read_list(')', (0x563acd73bee0), [[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (189) [system] _3446=[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (189) [system] [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (188) [user] read_list(')', (0x563acd73bee0), [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
^  Exit: (187) [user] cont_sexpr(')', (0x563acd73bee0), [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
^  Call: (187) [user] read_list(')', (0x563acd73bee0), _192220)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _194078)
   Exit: (189) [system] peek_char((0x563acd73bee0), ')')
   Call: (189) [system] ')'=(;)
   Fail: (189) [system] ')'=(;)
   Call: (189) [system] ')'=(/)
   Fail: (189) [system] ')'=(/)
^  Call: (189) [user] is_like_space(')')
   Call: (190) [system] char_type(')', 'white')
   Fail: (190) [system] char_type(')', 'white')
   Call: (190) [system] char_type(')', end_of_line)
   Fail: (190) [system] char_type(')', end_of_line)
   Call: (190) [system] char_type(')', space)
   Fail: (190) [system] char_type(')', space)
   Call: (190) [system] char_type(')', cntrl)
   Fail: (190) [system] char_type(')', cntrl)
^  Fail: (189) [user] is_like_space(')')
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _210088)
   Exit: (188) [system] peek_char((0x563acd73bee0), ')')
   Call: (188) [system] ')'=')'
   Exit: (188) [system] ')'=')'
   Call: (188) [system] get_char((0x563acd73bee0), _213878)
   Exit: (188) [system] get_char((0x563acd73bee0), ')')
   Call: (188) [system] _192220=[]
   Exit: (188) [system] []=[]
^  Exit: (187) [user] read_list(')', (0x563acd73bee0), [])
   Call: (187) [system] _3442=[[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]
   Exit: (187) [system] [[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]=[[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]
^  Exit: (186) [user] read_list(')', (0x563acd73bee0), [[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]])
   Call: (186) [system] _3368=[[synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]
   Exit: (186) [system] [[synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]=[[synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]
^  Exit: (185) [user] read_list(')', (0x563acd73bee0), [[synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]])
   Call: (185) [system] _3360=[assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]
   Exit: (185) [system] [assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]=[assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]
^  Exit: (184) [user] read_list(')', (0x563acd73bee0), [assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]])
^  Exit: (183) [user] cont_sexpr(')', (0x563acd73bee0), [assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]])
^  Exit: (182) [user] read_sexpr((0x563acd73bee0), [assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]])
   Call: (182) [system] _3324=exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]])
   Exit: (182) [system] exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]])=exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]])
^  Exit: (181) [user] cont_sexpr(')', (0x563acd73bee0), exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]))
^  Exit: (180) [user] read_sexpr((0x563acd73bee0), exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]))
^  Call: (180) [user] assertz(metta_file_comment(118, 0, 4833, exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]), '$stream_position'(4833, 118, 0, 4833)))
^  Exit: (180) [user] assertz(metta_file_comment(118, 0, 4833, exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]), '$stream_position'(4833, 118, 0, 4833)))
^  Exit: (178) [system] once(user:(read_position((0x563acd73bee0), 118, 0, 4833, '$stream_position'(4833, 118, 0, 4833)), read_sexpr((0x563acd73bee0), exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]])), assertz(metta_file_comment(118, 0, 4833, exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]), '$stream_position'(4833, 118, 0, 4833)))))
   Call: (178) [system] fail
^  Call: (178) [user] retract(metta_file_comment(_236116, _236118, _236120, _236122, _236124))
^  Exit: (178) [user] retract(metta_file_comment(74, 0, 2755, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], '$stream_position'(2755, 74, 0, 2755)))
^  Call: (178) [user] trly(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _3084)
^  Call: (179) [user] once(call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _239680))
^  Call: (180) [user] call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _239680)
^  Call: (181) [user] untyped_to_metta([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _239680)
^  Call: (182) [user] must_det_ll(trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _242496))
^  Call: (183) [user] once(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _242496))
^  Call: (184) [user] trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _242496)
^  Call: (185) [user] once(call(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _245296))
^  Call: (186) [user] call(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _245296)
^  Call: (187) [user] mfix_vars1([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _245296)
   Call: (188) [system] var([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
   Call: (188) [system] atom([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
   Call: (188) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]==true
   Call: (188) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]==false
   Call: (188) [system] (=)=='['
   Call: (188) [system] (=)=='{'
   Call: (188) [system] is_list([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
   Exit: (188) [system] is_list([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
   Call: (188) [lists] lists:last([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _255518)
   Call: (189) [lists] lists:last_([['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [synthesize, _query, _kb, _rb, ['S', _k]], _255518)
   Call: (190) [lists] lists:last_([], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query], _255518)
   Exit: (190) [lists] lists:last_([], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query])
   Exit: (189) [lists] lists:last_([['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query])
   Exit: (188) [lists] lists:last([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query])
   Call: (188) [system] ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]=='}'
   Call: (188) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]==[_262034, _262040]
   Call: (188) [system] fail
   Call: (188) [system] is_list([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
   Exit: (188) [system] is_list([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Call: (188) [user] apply:maplist(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _245296)
   Call: (189) [apply] apply:maplist_([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _245296, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(=, _267614)
   Call: (191) [system] var(=)
   Call: (191) [system] atom(=)
   Exit: (191) [system] atom(=)
^  Call: (191) [user] symbol_concat($, _271322, =)
   Call: (192) [system] atom_concat($, _271322, =)
   Fail: (192) [system] atom_concat($, _271322, =)
^  Fail: (191) [user] symbol_concat($, _271322, =)
   Call: (191) [system] (=)==true
   Call: (191) [system] (=)==false
   Call: (191) [system] (=)==[_276910, _276916]
   Call: (191) [system] is_list(=)
   Call: (191) [system] string(=)
   Call: (191) [system] compound(=)
^  Call: (191) [user] symbol(=)
   Call: (192) [system] atom(=)
   Exit: (192) [system] atom(=)
^  Exit: (191) [user] symbol(=)
^  Exit: (190) [user] mfix_vars1(=, =)
   Call: (190) [apply] apply:maplist_([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _267616, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1([synthesize, _query, _kb, _rb, ['S', _k]], _286178)
   Call: (192) [system] var([synthesize, _query, _kb, _rb, ['S', _k]])
   Call: (192) [system] atom([synthesize, _query, _kb, _rb, ['S', _k]])
   Call: (192) [system] [synthesize, _query, _kb, _rb, ['S', _k]]==true
   Call: (192) [system] [synthesize, _query, _kb, _rb, ['S', _k]]==false
   Call: (192) [system] synthesize=='['
   Call: (192) [system] synthesize=='{'
   Call: (192) [system] is_list([_query, _kb, _rb, ['S', _k]])
   Exit: (192) [system] is_list([_query, _kb, _rb, ['S', _k]])
   Call: (192) [lists] lists:last([_query, _kb, _rb, ['S', _k]], _294522)
   Call: (193) [lists] lists:last_([_kb, _rb, ['S', _k]], _query, _294522)
   Call: (194) [lists] lists:last_([_rb, ['S', _k]], _kb, _294522)
   Call: (195) [lists] lists:last_([['S', _k]], _rb, _294522)
   Call: (196) [lists] lists:last_([], ['S', _k], _294522)
   Exit: (196) [lists] lists:last_([], ['S', _k], ['S', _k])
   Exit: (195) [lists] lists:last_([['S', _k]], _rb, ['S', _k])
   Exit: (194) [lists] lists:last_([_rb, ['S', _k]], _kb, ['S', _k])
   Exit: (193) [lists] lists:last_([_kb, _rb, ['S', _k]], _query, ['S', _k])
   Exit: (192) [lists] lists:last([_query, _kb, _rb, ['S', _k]], ['S', _k])
   Call: (192) [system] ['S', _k]=='}'
   Call: (192) [system] [synthesize, _query, _kb, _rb, ['S', _k]]==[_304766, _304772]
   Call: (192) [system] fail
   Call: (192) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
   Exit: (192) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
^  Call: (192) [user] apply:maplist(mfix_vars1, [synthesize, _query, _kb, _rb, ['S', _k]], _286178)
   Call: (193) [apply] apply:maplist_([synthesize, _query, _kb, _rb, ['S', _k]], _286178, user:mfix_vars1)
^  Call: (194) [user] mfix_vars1(synthesize, _310346)
   Call: (195) [system] var(synthesize)
   Call: (195) [system] atom(synthesize)
   Exit: (195) [system] atom(synthesize)
^  Call: (195) [user] symbol_concat($, _314054, synthesize)
   Call: (196) [system] atom_concat($, _314054, synthesize)
   Fail: (196) [system] atom_concat($, _314054, synthesize)
^  Fail: (195) [user] symbol_concat($, _314054, synthesize)
   Call: (195) [system] synthesize==true
   Call: (195) [system] synthesize==false
   Call: (195) [system] synthesize==[_319642, _319648]
   Call: (195) [system] is_list(synthesize)
   Call: (195) [system] string(synthesize)
   Call: (195) [system] compound(synthesize)
^  Call: (195) [user] symbol(synthesize)
   Call: (196) [system] atom(synthesize)
   Exit: (196) [system] atom(synthesize)
^  Exit: (195) [user] symbol(synthesize)
^  Exit: (194) [user] mfix_vars1(synthesize, synthesize)
   Call: (194) [apply] apply:maplist_([_query, _kb, _rb, ['S', _k]], _310348, user:mfix_vars1)
^  Call: (195) [user] mfix_vars1(_query, _328910)
   Call: (196) [system] var(_query)
   Call: (196) [system] atom(_query)
   Call: (196) [system] _query==true
   Call: (196) [system] _query==false
   Call: (196) [system] _query==[_333552, _333558]
   Call: (196) [system] is_list(_query)
   Call: (196) [system] string(_query)
   Call: (196) [system] compound(_query)
   Exit: (196) [system] compound(_query)
   Call: (196) [system] compound_name_arguments(_query, _338186, _338188)
   Exit: (196) [system] compound_name_arguments(_query, '$VAR', ['_query'])
   Call: (196) [system] '$VAR'\=='$VAR'
^  Exit: (184) [user] trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (183) [system] once(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]))
^  Exit: (182) [user] must_det_ll(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]))
^  Call: (182) [user] must_det_ll(trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _343780))
^  Call: (183) [user] once(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _343780))
^  Call: (184) [user] trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _343780)
^  Call: (185) [user] once(call(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _346580))
^  Call: (186) [user] call(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _346580)
^  Call: (187) [user] cons_to_c([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _346580)
^  Call: (188) [user] no_cons_reduce
^  Exit: (188) [user] no_cons_reduce
^  Exit: (187) [user] cons_to_c([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (186) [system] call(user:cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (185) [system] once(user:call(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]))
   Call: (185) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]\=@=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]
^  Exit: (184) [user] trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (183) [system] once(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]))
^  Exit: (182) [user] must_det_ll(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]))
^  Call: (182) [user] must_det_ll(trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _239680))
^  Call: (183) [user] once(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _239680))
^  Call: (184) [user] trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _239680)
^  Call: (185) [user] once(call(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _360538))
^  Call: (186) [user] call(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _360538)
^  Call: (187) [user] cons_to_l([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _360538)
^  Call: (188) [user] no_cons_reduce
^  Exit: (188) [user] no_cons_reduce
^  Exit: (187) [user] cons_to_l([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (186) [system] call(user:cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (185) [system] once(user:call(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]))
   Call: (185) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]\=@=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]
^  Exit: (184) [user] trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (183) [system] once(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]))
^  Exit: (182) [user] must_det_ll(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]))
^  Exit: (181) [user] untyped_to_metta([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (180) [system] call(user:untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (179) [system] once(user:call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]))
   Call: (179) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]\=@=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]
^  Exit: (178) [user] trly(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (177) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
   Call: (177) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])))
   Exit: (177) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])))
^  Exit: (176) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (175) [user] parse_sexpr_metta_IO((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (174) [user] parse_sexpr_metta_IO((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (171) [user] read_sform((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (170) [system] once(user:read_sform((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x563acd73bee0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]))
   Call: (169) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]==end_of_file
   Fail: (169) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1727204596.0891678), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204596.0891678), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]), 116]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x563acd7397e0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], ynthesize_long_1727204587_629323, 116)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1727204596.0891678), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204596.0891678), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]), 116]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1727204609.5892966)
   Call: (173) [system] arg(1, t(1727204596.0891678), _3148)
   Exit: (173) [system] arg(1, t(1727204596.0891678), 1727204596.0891678)
   Call: (173) [system] _3158 is 1727204609.5892966-1727204596.0891678
   Exit: (173) [system] 13.500128746032715 is 1727204609.5892966-1727204596.0891678
   Call: (173) [system] 13.500128746032715>4
   Exit: (173) [system] 13.500128746032715>4
   Call: (173) [system] nb_setarg(1, t(1727204596.0891678), 1727204609.5892966)
   Exit: (173) [system] nb_setarg(1, t(1727204609.5892966), 1727204609.5892966)
^  Call: (173) [user] move_cursor_to_first_column
   Call: (174) [system] write(user_error, '')

   Exit: (174) [system] write(user_error, '')
^  Exit: (173) [user] move_cursor_to_first_column
^  Call: (173) [user] format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]), 116])
; 
^  Call: (175) [user] write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Call: (177) [system] setup_call_cleanup('$notrace'(_407470, _407472), once(user:with_indents(false, write_src([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]))), '$restore_trace'(_407470, _407472))
^  Call: (178) [system] sig_atomic(system:'$notrace'(_407470, _407472))
(= (synthesize $query $kb $rb (S $k)) (let* (((: $ructor (-> $premise1 $premise2 $premise3 $premise4 $conclusion)) ($rb)) ((: ($ructor $proof1 $proof2 $proof3 $proof4) $conclusion) $query) ((: $proof1 $premise1) (synthesize (: $proof1 $premise1) $kb $rb $k)) ((: $proof2 $premise2) (synthesize (: $proof2 $premise2) $kb $rb $k)) ((: $proof3 $premise3) (synthesize (: $proof3 $premise3) $kb $rb $k)) ((: $proof4 $premise4) (synthesize (: $proof4 $premise4) $kb $rb $k))) $query))
^  Exit: (177) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:with_indents(false, write_src([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]))), system:'$restore_trace'(3, -1))
^  Exit: (175) [user] write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
 ; line: 116 
^  Exit: (173) [user] format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]), 116])
   Call: (173) [system] write(user_error, '')

   Exit: (173) [system] write(user_error, '')
^  Call: (173) [user] move_cursor_to_first_column
   Call: (174) [system] write(user_error, '')

   Exit: (174) [system] write(user_error, '')
^  Exit: (173) [user] move_cursor_to_first_column
^  Exit: (171) [user] if_t((get_time(1727204609.5892966), arg(1, t(1727204609.5892966), 1727204596.0891678), 13.500128746032715 is 1727204609.5892966-1727204596.0891678, 13.500128746032715>4), (nb_setarg(1, t(1727204609.5892966), 1727204609.5892966), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]), 116]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 25)
   Call: (175) [system] atom(25+1)
   Call: (175) [system] set_flag(translated_forms, 26)
   Exit: (175) [system] set_flag(translated_forms, 26)
   Exit: (174) [$syspreds] update_flag(translated_forms, 25, 25+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 25, 25+1))
   Exit: (171) [$syspreds] flag(translated_forms, 25, 25+1)
^  Call: (171) [user] write_metta_datalog_term((0x563acd7397e0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], ynthesize_long_1727204587_629323, 116)
^  Call: (172) [user] s2t_iz(ynthesize_long_1727204587_629323, _431714, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _431716)
   Call: (173) [system] (=)==(:)
^  Call: (173) [user] s2tl([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _431716)
   Call: (174) [system] compound([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
   Exit: (174) [system] compound([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Call: (174) [user] s2t(=, _436366)
   Call: (175) [system] compound(=)
   Call: (175) [system] (=)=_436366
   Exit: (175) [system] (=)=(=)
^  Exit: (174) [user] s2t(=, =)
^  Call: (174) [user] s2tl([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _436368)
   Call: (175) [system] compound([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
   Exit: (175) [system] compound([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Call: (175) [user] s2t([synthesize, _query, _kb, _rb, ['S', _k]], _443784)
   Call: (176) [system] compound([synthesize, _query, _kb, _rb, ['S', _k]])
   Exit: (176) [system] compound([synthesize, _query, _kb, _rb, ['S', _k]])
   Call: (176) [system] synthesize==(->)
   Call: (176) [system] synthesize=='Cons'
   Call: (176) [system] synthesize==(=)
   Call: (176) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
   Exit: (176) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
^  Call: (176) [user] apply:maplist(s2t, [synthesize, _query, _kb, _rb, ['S', _k]], _451196)
   Call: (177) [apply] apply:maplist_([synthesize, _query, _kb, _rb, ['S', _k]], _451196, user:s2t)
^  Call: (178) [user] s2t(synthesize, _453076)
   Call: (179) [system] compound(synthesize)
   Call: (179) [system] synthesize=_453076
   Exit: (179) [system] synthesize=synthesize
^  Exit: (178) [user] s2t(synthesize, synthesize)
   Call: (178) [apply] apply:maplist_([_query, _kb, _rb, ['S', _k]], _453078, user:s2t)
^  Call: (179) [user] s2t(_query, _458650)
   Call: (180) [system] compound(_query)
   Exit: (180) [system] compound(_query)
   Call: (180) [system] is_list(_query)
^  Call: (180) [user] s2tl(_query, _458650)
   Call: (181) [system] compound(_query)
   Exit: (181) [system] compound(_query)
^  Exit: (180) [user] s2tl(_query, _query)
^  Exit: (179) [user] s2t(_query, _query)
   Call: (179) [apply] apply:maplist_([_kb, _rb, ['S', _k]], _458652, user:s2t)
^  Call: (180) [user] s2t(_kb, _467920)
   Call: (181) [system] compound(_kb)
   Exit: (181) [system] compound(_kb)
   Call: (181) [system] is_list(_kb)
^  Call: (181) [user] s2tl(_kb, _467920)
   Call: (182) [system] compound(_kb)
   Exit: (182) [system] compound(_kb)
^  Exit: (181) [user] s2tl(_kb, _kb)
^  Exit: (180) [user] s2t(_kb, _kb)
   Call: (180) [apply] apply:maplist_([_rb, ['S', _k]], _467922, user:s2t)
^  Call: (181) [user] s2t(_rb, _477190)
   Call: (182) [system] compound(_rb)
   Exit: (182) [system] compound(_rb)
   Call: (182) [system] is_list(_rb)
^  Call: (182) [user] s2tl(_rb, _477190)
   Call: (183) [system] compound(_rb)
   Exit: (183) [system] compound(_rb)
^  Exit: (182) [user] s2tl(_rb, _rb)
^  Exit: (181) [user] s2t(_rb, _rb)
   Call: (181) [apply] apply:maplist_([['S', _k]], _477192, user:s2t)
^  Call: (182) [user] s2t(['S', _k], _486460)
   Call: (183) [system] compound(['S', _k])
   Exit: (183) [system] compound(['S', _k])
   Call: (183) [system] 'S'==(->)
   Call: (183) [system] 'S'=='Cons'
   Call: (183) [system] 'S'==(=)
   Call: (183) [system] is_list(['S', _k])
   Exit: (183) [system] is_list(['S', _k])
^  Call: (183) [user] apply:maplist(s2t, ['S', _k], _493872)
   Call: (184) [apply] apply:maplist_(['S', _k], _493872, user:s2t)
^  Call: (185) [user] s2t('S', _495752)
   Call: (186) [system] compound('S')
   Call: (186) [system] 'S'=_495752
   Exit: (186) [system] 'S'='S'
^  Exit: (185) [user] s2t('S', 'S')
   Call: (185) [apply] apply:maplist_([_k], _495754, user:s2t)
^  Call: (186) [user] s2t(_k, _501326)
   Call: (187) [system] compound(_k)
   Exit: (187) [system] compound(_k)
   Call: (187) [system] is_list(_k)
^  Call: (187) [user] s2tl(_k, _501326)
   Call: (188) [system] compound(_k)
   Exit: (188) [system] compound(_k)
^  Exit: (187) [user] s2tl(_k, _k)
^  Exit: (186) [user] s2t(_k, _k)
   Call: (186) [apply] apply:maplist_([], _501328, user:s2t)
   Exit: (186) [apply] apply:maplist_([], [], user:s2t)
   Exit: (185) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (184) [apply] apply:maplist_(['S', _k], ['S', _k], user:s2t)
^  Exit: (183) [apply] apply:maplist(user:s2t, ['S', _k], ['S', _k])
   Call: (183) [system] compound_name_arguments(_486460, t, ['S', _k])
   Exit: (183) [system] compound_name_arguments(t('S', _k), t, ['S', _k])
^  Exit: (182) [user] s2t(['S', _k], t('S', _k))
   Call: (182) [apply] apply:maplist_([], _486462, user:s2t)
   Exit: (182) [apply] apply:maplist_([], [], user:s2t)
   Exit: (181) [apply] apply:maplist_([['S', _k]], [t('S', _k)], user:s2t)
   Exit: (180) [apply] apply:maplist_([_rb, ['S', _k]], [_rb, t('S', _k)], user:s2t)
   Exit: (179) [apply] apply:maplist_([_kb, _rb, ['S', _k]], [_kb, _rb, t('S', _k)], user:s2t)
   Exit: (178) [apply] apply:maplist_([_query, _kb, _rb, ['S', _k]], [_query, _kb, _rb, t('S', _k)], user:s2t)
   Exit: (177) [apply] apply:maplist_([synthesize, _query, _kb, _rb, ['S', _k]], [synthesize, _query, _kb, _rb, t('S', _k)], user:s2t)
^  Exit: (176) [apply] apply:maplist(user:s2t, [synthesize, _query, _kb, _rb, ['S', _k]], [synthesize, _query, _kb, _rb, t('S', _k)])
   Call: (176) [system] compound_name_arguments(_443784, t, [synthesize, _query, _kb, _rb, t('S', _k)])
   Exit: (176) [system] compound_name_arguments(t(synthesize, _query, _kb, _rb, t('S', _k)), t, [synthesize, _query, _kb, _rb, t('S', _k)])
^  Exit: (175) [user] s2t([synthesize, _query, _kb, _rb, ['S', _k]], t(synthesize, _query, _kb, _rb, t('S', _k)))
^  Call: (175) [user] s2tl([['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _443786)
   Call: (176) [system] compound([['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
   Exit: (176) [system] compound([['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Call: (176) [user] s2t(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query], _530170)
   Call: (177) [system] compound(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query])
   Exit: (177) [system] compound(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query])
   Call: (177) [system] 'let*'==(->)
   Call: (177) [system] 'let*'=='Cons'
   Call: (177) [system] 'let*'==(=)
   Call: (177) [system] is_list(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query])
   Exit: (177) [system] is_list(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query])
^  Call: (177) [user] apply:maplist(s2t, ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query], _537582)
   Call: (178) [apply] apply:maplist_(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query], _537582, user:s2t)
^  Call: (179) [user] s2t('let*', _539462)
   Call: (180) [system] compound('let*')
   Call: (180) [system] 'let*'=_539462
   Exit: (180) [system] 'let*'='let*'
^  Exit: (179) [user] s2t('let*', 'let*')
   Call: (179) [apply] apply:maplist_([[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query], _539464, user:s2t)
^  Call: (180) [user] s2t([[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _545036)
   Call: (181) [system] compound([[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]])
   Exit: (181) [system] compound([[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]])
   Call: (181) [system] [[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]]==(->)
   Call: (181) [system] [[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]]=='Cons'
   Call: (181) [system] [[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]]==(=)
   Call: (181) [system] is_list([[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]])
   Exit: (181) [system] is_list([[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]])
^  Call: (181) [user] apply:maplist(s2t, [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _552448)
   Call: (182) [apply] apply:maplist_([[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _552448, user:s2t)
^  Call: (183) [user] s2t([[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], _554328)
   Call: (184) [system] compound([[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]])
   Exit: (184) [system] compound([[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]])
   Call: (184) [system] [:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]]==(->)
   Call: (184) [system] [:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]]=='Cons'
   Call: (184) [system] [:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]]==(=)
   Call: (184) [system] is_list([[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]])
   Exit: (184) [system] is_list([[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]])
^  Call: (184) [user] apply:maplist(s2t, [[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], _561740)
   Call: (185) [apply] apply:maplist_([[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], _561740, user:s2t)
^  Call: (186) [user] s2t([:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], _563620)
   Call: (187) [system] compound([:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]])
   Exit: (187) [system] compound([:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]])
   Call: (187) [system] (:)==(->)
   Call: (187) [system] (:)=='Cons'
   Call: (187) [system] (:)==(=)
   Call: (187) [system] is_list([:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]])
   Exit: (187) [system] is_list([:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]])
^  Call: (187) [user] apply:maplist(s2t, [:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], _571032)
   Call: (188) [apply] apply:maplist_([:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], _571032, user:s2t)
^  Call: (189) [user] s2t(:, _572912)
   Call: (190) [system] compound(:)
   Call: (190) [system] (:)=_572912
   Exit: (190) [system] (:)=(:)
^  Exit: (189) [user] s2t(:, :)
   Call: (189) [apply] apply:maplist_([_ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], _572914, user:s2t)
^  Call: (190) [user] s2t(_ructor, _578486)
   Call: (191) [system] compound(_ructor)
   Exit: (191) [system] compound(_ructor)
   Call: (191) [system] is_list(_ructor)
^  Call: (191) [user] s2tl(_ructor, _578486)
   Call: (192) [system] compound(_ructor)
   Exit: (192) [system] compound(_ructor)
^  Exit: (191) [user] s2tl(_ructor, _ructor)
^  Exit: (190) [user] s2t(_ructor, _ructor)
   Call: (190) [apply] apply:maplist_([[->, _premise1, _premise2, _premise3, _premise4, _conclusion]], _578488, user:s2t)
^  Call: (191) [user] s2t([->, _premise1, _premise2, _premise3, _premise4, _conclusion], _587756)
   Call: (192) [system] compound([->, _premise1, _premise2, _premise3, _premise4, _conclusion])
   Exit: (192) [system] compound([->, _premise1, _premise2, _premise3, _premise4, _conclusion])
   Call: (192) [system] (->)==(->)
   Exit: (192) [system] (->)==(->)
^  Call: (192) [user] s2tl([_premise1, _premise2, _premise3, _premise4, _conclusion], _592392)
   Call: (193) [system] compound([_premise1, _premise2, _premise3, _premise4, _conclusion])
   Exit: (193) [system] compound([_premise1, _premise2, _premise3, _premise4, _conclusion])
^  Call: (193) [user] s2t(_premise1, _595172)
   Call: (194) [system] compound(_premise1)
   Exit: (194) [system] compound(_premise1)
   Call: (194) [system] is_list(_premise1)
^  Call: (194) [user] s2tl(_premise1, _595172)
   Call: (195) [system] compound(_premise1)
   Exit: (195) [system] compound(_premise1)
^  Exit: (194) [user] s2tl(_premise1, _premise1)
^  Exit: (193) [user] s2t(_premise1, _premise1)
^  Call: (193) [user] s2tl([_premise2, _premise3, _premise4, _conclusion], _595174)
   Call: (194) [system] compound([_premise2, _premise3, _premise4, _conclusion])
   Exit: (194) [system] compound([_premise2, _premise3, _premise4, _conclusion])
^  Call: (194) [user] s2t(_premise2, _606286)
   Call: (195) [system] compound(_premise2)
   Exit: (195) [system] compound(_premise2)
   Call: (195) [system] is_list(_premise2)
^  Call: (195) [user] s2tl(_premise2, _606286)
   Call: (196) [system] compound(_premise2)
   Exit: (196) [system] compound(_premise2)
^  Exit: (195) [user] s2tl(_premise2, _premise2)
^  Exit: (194) [user] s2t(_premise2, _premise2)
^  Call: (194) [user] s2tl([_premise3, _premise4, _conclusion], _606288)
   Call: (195) [system] compound([_premise3, _premise4, _conclusion])
   Exit: (195) [system] compound([_premise3, _premise4, _conclusion])
^  Call: (195) [user] s2t(_premise3, _617400)
   Call: (196) [system] compound(_premise3)
   Exit: (196) [system] compound(_premise3)
   Call: (196) [system] is_list(_premise3)
^  Call: (196) [user] s2tl(_premise3, _617400)
   Call: (197) [system] compound(_premise3)
   Exit: (197) [system] compound(_premise3)
^  Exit: (196) [user] s2tl(_premise3, _premise3)
^  Exit: (195) [user] s2t(_premise3, _premise3)
^  Call: (195) [user] s2tl([_premise4, _conclusion], _617402)
   Call: (196) [system] compound([_premise4, _conclusion])
   Exit: (196) [system] compound([_premise4, _conclusion])
^  Call: (196) [user] s2t(_premise4, _628514)
   Call: (197) [system] compound(_premise4)
   Exit: (197) [system] compound(_premise4)
   Call: (197) [system] is_list(_premise4)
^  Call: (197) [user] s2tl(_premise4, _628514)
   Call: (198) [system] compound(_premise4)
   Exit: (198) [system] compound(_premise4)
^  Exit: (197) [user] s2tl(_premise4, _premise4)
^  Exit: (196) [user] s2t(_premise4, _premise4)
^  Call: (196) [user] s2tl([_conclusion], _628516)
   Call: (197) [system] compound([_conclusion])
   Exit: (197) [system] compound([_conclusion])
^  Call: (197) [user] s2t(_conclusion, _639628)
   Call: (198) [system] compound(_conclusion)
   Exit: (198) [system] compound(_conclusion)
   Call: (198) [system] is_list(_conclusion)
^  Call: (198) [user] s2tl(_conclusion, _639628)
   Call: (199) [system] compound(_conclusion)
   Exit: (199) [system] compound(_conclusion)
^  Exit: (198) [user] s2tl(_conclusion, _conclusion)
^  Exit: (197) [user] s2t(_conclusion, _conclusion)
^  Call: (197) [user] s2tl([], _639630)
   Call: (198) [system] compound([])
   Call: (198) [system] []=_639630
   Exit: (198) [system] []=[]
^  Exit: (197) [user] s2tl([], [])
^  Exit: (196) [user] s2tl([_conclusion], [_conclusion])
^  Exit: (195) [user] s2tl([_premise4, _conclusion], [_premise4, _conclusion])
^  Exit: (194) [user] s2tl([_premise3, _premise4, _conclusion], [_premise3, _premise4, _conclusion])
^  Exit: (193) [user] s2tl([_premise2, _premise3, _premise4, _conclusion], [_premise2, _premise3, _premise4, _conclusion])
^  Exit: (192) [user] s2tl([_premise1, _premise2, _premise3, _premise4, _conclusion], [_premise1, _premise2, _premise3, _premise4, _conclusion])
   Call: (192) [system] _587756=..[->, [_premise1, _premise2, _premise3, _premise4, _conclusion]]
   Exit: (192) [system] ->([_premise1, _premise2, _premise3, _premise4, _conclusion])=..[->, [_premise1, _premise2, _premise3, _premise4, _conclusion]]
^  Exit: (191) [user] s2t([->, _premise1, _premise2, _premise3, _premise4, _conclusion], ->([_premise1, _premise2, _premise3, _premise4, _conclusion]))
   Call: (191) [apply] apply:maplist_([], _587758, user:s2t)
   Exit: (191) [apply] apply:maplist_([], [], user:s2t)
   Exit: (190) [apply] apply:maplist_([[->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [->([_premise1, _premise2, _premise3, _premise4, _conclusion])], user:s2t)
   Exit: (189) [apply] apply:maplist_([_ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])], user:s2t)
   Exit: (188) [apply] apply:maplist_([:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])], user:s2t)
^  Exit: (187) [apply] apply:maplist(user:s2t, [:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])])
   Call: (187) [system] compound_name_arguments(_563620, t, [:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])])
   Exit: (187) [system] compound_name_arguments(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t, [:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])])
^  Exit: (186) [user] s2t([:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])))
   Call: (186) [apply] apply:maplist_([[_rb]], _563622, user:s2t)
^  Call: (187) [user] s2t([_rb], _669372)
   Call: (188) [system] compound([_rb])
   Exit: (188) [system] compound([_rb])
   Call: (188) [system] _rb==(->)
   Call: (188) [system] _rb=='Cons'
   Call: (188) [system] _rb==(=)
   Call: (188) [system] is_list([_rb])
   Exit: (188) [system] is_list([_rb])
^  Call: (188) [user] apply:maplist(s2t, [_rb], _676784)
   Call: (189) [apply] apply:maplist_([_rb], _676784, user:s2t)
^  Call: (190) [user] s2t(_rb, _678664)
   Call: (191) [system] compound(_rb)
   Exit: (191) [system] compound(_rb)
   Call: (191) [system] is_list(_rb)
^  Call: (191) [user] s2tl(_rb, _678664)
   Call: (192) [system] compound(_rb)
   Exit: (192) [system] compound(_rb)
^  Exit: (191) [user] s2tl(_rb, _rb)
^  Exit: (190) [user] s2t(_rb, _rb)
   Call: (190) [apply] apply:maplist_([], _678666, user:s2t)
   Exit: (190) [apply] apply:maplist_([], [], user:s2t)
   Exit: (189) [apply] apply:maplist_([_rb], [_rb], user:s2t)
^  Exit: (188) [apply] apply:maplist(user:s2t, [_rb], [_rb])
   Call: (188) [system] compound_name_arguments(_669372, t, [_rb])
   Exit: (188) [system] compound_name_arguments(t(_rb), t, [_rb])
^  Exit: (187) [user] s2t([_rb], t(_rb))
   Call: (187) [apply] apply:maplist_([], _669374, user:s2t)
   Exit: (187) [apply] apply:maplist_([], [], user:s2t)
   Exit: (186) [apply] apply:maplist_([[_rb]], [t(_rb)], user:s2t)
   Exit: (185) [apply] apply:maplist_([[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)], user:s2t)
^  Exit: (184) [apply] apply:maplist(user:s2t, [[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)])
   Call: (184) [system] compound_name_arguments(_554328, t, [t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)])
   Exit: (184) [system] compound_name_arguments(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t, [t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)])
^  Exit: (183) [user] s2t([[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)))
   Call: (183) [apply] apply:maplist_([[[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _554330, user:s2t)
^  Call: (184) [user] s2t([[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], _701928)
   Call: (185) [system] compound([[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query])
   Exit: (185) [system] compound([[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query])
   Call: (185) [system] [:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion]==(->)
   Call: (185) [system] [:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion]=='Cons'
   Call: (185) [system] [:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion]==(=)
   Call: (185) [system] is_list([[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query])
   Exit: (185) [system] is_list([[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query])
^  Call: (185) [user] apply:maplist(s2t, [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], _709340)
   Call: (186) [apply] apply:maplist_([[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], _709340, user:s2t)
^  Call: (187) [user] s2t([:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _711220)
   Call: (188) [system] compound([:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion])
   Exit: (188) [system] compound([:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion])
   Call: (188) [system] (:)==(->)
   Call: (188) [system] (:)=='Cons'
   Call: (188) [system] (:)==(=)
   Call: (188) [system] is_list([:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion])
   Exit: (188) [system] is_list([:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion])
^  Call: (188) [user] apply:maplist(s2t, [:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _718632)
   Call: (189) [apply] apply:maplist_([:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _718632, user:s2t)
^  Call: (190) [user] s2t(:, _720512)
   Call: (191) [system] compound(:)
   Call: (191) [system] (:)=_720512
   Exit: (191) [system] (:)=(:)
^  Exit: (190) [user] s2t(:, :)
   Call: (190) [apply] apply:maplist_([[_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _720514, user:s2t)
^  Call: (191) [user] s2t([_ructor, _proof1, _proof2, _proof3, _proof4], _726086)
   Call: (192) [system] compound([_ructor, _proof1, _proof2, _proof3, _proof4])
   Exit: (192) [system] compound([_ructor, _proof1, _proof2, _proof3, _proof4])
   Call: (192) [system] _ructor==(->)
   Call: (192) [system] _ructor=='Cons'
   Call: (192) [system] _ructor==(=)
   Call: (192) [system] is_list([_ructor, _proof1, _proof2, _proof3, _proof4])
   Exit: (192) [system] is_list([_ructor, _proof1, _proof2, _proof3, _proof4])
^  Call: (192) [user] apply:maplist(s2t, [_ructor, _proof1, _proof2, _proof3, _proof4], _733498)
   Call: (193) [apply] apply:maplist_([_ructor, _proof1, _proof2, _proof3, _proof4], _733498, user:s2t)
^  Call: (194) [user] s2t(_ructor, _735378)
   Call: (195) [system] compound(_ructor)
   Exit: (195) [system] compound(_ructor)
   Call: (195) [system] is_list(_ructor)
^  Call: (195) [user] s2tl(_ructor, _735378)
   Call: (196) [system] compound(_ructor)
   Exit: (196) [system] compound(_ructor)
^  Exit: (195) [user] s2tl(_ructor, _ructor)
^  Exit: (194) [user] s2t(_ructor, _ructor)
   Call: (194) [apply] apply:maplist_([_proof1, _proof2, _proof3, _proof4], _735380, user:s2t)
^  Call: (195) [user] s2t(_proof1, _744648)
   Call: (196) [system] compound(_proof1)
   Exit: (196) [system] compound(_proof1)
   Call: (196) [system] is_list(_proof1)
^  Call: (196) [user] s2tl(_proof1, _744648)
   Call: (197) [system] compound(_proof1)
   Exit: (197) [system] compound(_proof1)
^  Exit: (196) [user] s2tl(_proof1, _proof1)
^  Exit: (195) [user] s2t(_proof1, _proof1)
   Call: (195) [apply] apply:maplist_([_proof2, _proof3, _proof4], _744650, user:s2t)
^  Call: (196) [user] s2t(_proof2, _753918)
   Call: (197) [system] compound(_proof2)
   Exit: (197) [system] compound(_proof2)
   Call: (197) [system] is_list(_proof2)
^  Call: (197) [user] s2tl(_proof2, _753918)
   Call: (198) [system] compound(_proof2)
   Exit: (198) [system] compound(_proof2)
^  Exit: (197) [user] s2tl(_proof2, _proof2)
^  Exit: (196) [user] s2t(_proof2, _proof2)
   Call: (196) [apply] apply:maplist_([_proof3, _proof4], _753920, user:s2t)
^  Call: (197) [user] s2t(_proof3, _763188)
   Call: (198) [system] compound(_proof3)
   Exit: (198) [system] compound(_proof3)
   Call: (198) [system] is_list(_proof3)
^  Call: (198) [user] s2tl(_proof3, _763188)
   Call: (199) [system] compound(_proof3)
   Exit: (199) [system] compound(_proof3)
^  Exit: (198) [user] s2tl(_proof3, _proof3)
^  Exit: (197) [user] s2t(_proof3, _proof3)
   Call: (197) [apply] apply:maplist_([_proof4], _763190, user:s2t)
^  Call: (198) [user] s2t(_proof4, _772458)
   Call: (199) [system] compound(_proof4)
   Exit: (199) [system] compound(_proof4)
   Call: (199) [system] is_list(_proof4)
^  Call: (199) [user] s2tl(_proof4, _772458)
   Call: (200) [system] compound(_proof4)
   Exit: (200) [system] compound(_proof4)
^  Exit: (199) [user] s2tl(_proof4, _proof4)
^  Exit: (198) [user] s2t(_proof4, _proof4)
   Call: (198) [apply] apply:maplist_([], _772460, user:s2t)
   Exit: (198) [apply] apply:maplist_([], [], user:s2t)
   Exit: (197) [apply] apply:maplist_([_proof4], [_proof4], user:s2t)
   Exit: (196) [apply] apply:maplist_([_proof3, _proof4], [_proof3, _proof4], user:s2t)
   Exit: (195) [apply] apply:maplist_([_proof2, _proof3, _proof4], [_proof2, _proof3, _proof4], user:s2t)
   Exit: (194) [apply] apply:maplist_([_proof1, _proof2, _proof3, _proof4], [_proof1, _proof2, _proof3, _proof4], user:s2t)
   Exit: (193) [apply] apply:maplist_([_ructor, _proof1, _proof2, _proof3, _proof4], [_ructor, _proof1, _proof2, _proof3, _proof4], user:s2t)
^  Exit: (192) [apply] apply:maplist(user:s2t, [_ructor, _proof1, _proof2, _proof3, _proof4], [_ructor, _proof1, _proof2, _proof3, _proof4])
   Call: (192) [system] compound_name_arguments(_726086, t, [_ructor, _proof1, _proof2, _proof3, _proof4])
   Exit: (192) [system] compound_name_arguments(t(_ructor, _proof1, _proof2, _proof3, _proof4), t, [_ructor, _proof1, _proof2, _proof3, _proof4])
^  Exit: (191) [user] s2t([_ructor, _proof1, _proof2, _proof3, _proof4], t(_ructor, _proof1, _proof2, _proof3, _proof4))
   Call: (191) [apply] apply:maplist_([_conclusion], _726088, user:s2t)
^  Call: (192) [user] s2t(_conclusion, _791994)
   Call: (193) [system] compound(_conclusion)
   Exit: (193) [system] compound(_conclusion)
   Call: (193) [system] is_list(_conclusion)
^  Call: (193) [user] s2tl(_conclusion, _791994)
   Call: (194) [system] compound(_conclusion)
   Exit: (194) [system] compound(_conclusion)
^  Exit: (193) [user] s2tl(_conclusion, _conclusion)
^  Exit: (192) [user] s2t(_conclusion, _conclusion)
   Call: (192) [apply] apply:maplist_([], _791996, user:s2t)
   Exit: (192) [apply] apply:maplist_([], [], user:s2t)
   Exit: (191) [apply] apply:maplist_([_conclusion], [_conclusion], user:s2t)
   Exit: (190) [apply] apply:maplist_([[_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], [t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion], user:s2t)
   Exit: (189) [apply] apply:maplist_([:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], [:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion], user:s2t)
^  Exit: (188) [apply] apply:maplist(user:s2t, [:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], [:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion])
   Call: (188) [system] compound_name_arguments(_711220, t, [:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion])
   Exit: (188) [system] compound_name_arguments(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), t, [:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion])
^  Exit: (187) [user] s2t([:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion))
   Call: (187) [apply] apply:maplist_([_query], _711222, user:s2t)
^  Call: (188) [user] s2t(_query, _809662)
   Call: (189) [system] compound(_query)
   Exit: (189) [system] compound(_query)
   Call: (189) [system] is_list(_query)
^  Call: (189) [user] s2tl(_query, _809662)
   Call: (190) [system] compound(_query)
   Exit: (190) [system] compound(_query)
^  Exit: (189) [user] s2tl(_query, _query)
^  Exit: (188) [user] s2t(_query, _query)
   Call: (188) [apply] apply:maplist_([], _809664, user:s2t)
   Exit: (188) [apply] apply:maplist_([], [], user:s2t)
   Exit: (187) [apply] apply:maplist_([_query], [_query], user:s2t)
   Exit: (186) [apply] apply:maplist_([[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query], user:s2t)
^  Exit: (185) [apply] apply:maplist(user:s2t, [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query])
   Call: (185) [system] compound_name_arguments(_701928, t, [t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query])
   Exit: (185) [system] compound_name_arguments(t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t, [t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query])
^  Exit: (184) [user] s2t([[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query))
   Call: (184) [apply] apply:maplist_([[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _701930, user:s2t)
^  Call: (185) [user] s2t([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], _826396)
   Call: (186) [system] compound([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
   Exit: (186) [system] compound([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
   Call: (186) [system] [:, _proof1, _premise1]==(->)
   Call: (186) [system] [:, _proof1, _premise1]=='Cons'
   Call: (186) [system] [:, _proof1, _premise1]==(=)
   Call: (186) [system] is_list([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
   Exit: (186) [system] is_list([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
^  Call: (186) [user] apply:maplist(s2t, [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], _833808)
   Call: (187) [apply] apply:maplist_([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], _833808, user:s2t)
^  Call: (188) [user] s2t([:, _proof1, _premise1], _835688)
   Call: (189) [system] compound([:, _proof1, _premise1])
   Exit: (189) [system] compound([:, _proof1, _premise1])
   Call: (189) [system] (:)==(->)
   Call: (189) [system] (:)=='Cons'
   Call: (189) [system] (:)==(=)
   Call: (189) [system] is_list([:, _proof1, _premise1])
   Exit: (189) [system] is_list([:, _proof1, _premise1])
^  Call: (189) [user] apply:maplist(s2t, [:, _proof1, _premise1], _843100)
   Call: (190) [apply] apply:maplist_([:, _proof1, _premise1], _843100, user:s2t)
^  Call: (191) [user] s2t(:, _844980)
   Call: (192) [system] compound(:)
   Call: (192) [system] (:)=_844980
   Exit: (192) [system] (:)=(:)
^  Exit: (191) [user] s2t(:, :)
   Call: (191) [apply] apply:maplist_([_proof1, _premise1], _844982, user:s2t)
^  Call: (192) [user] s2t(_proof1, _850554)
   Call: (193) [system] compound(_proof1)
   Exit: (193) [system] compound(_proof1)
   Call: (193) [system] is_list(_proof1)
^  Call: (193) [user] s2tl(_proof1, _850554)
   Call: (194) [system] compound(_proof1)
   Exit: (194) [system] compound(_proof1)
^  Exit: (193) [user] s2tl(_proof1, _proof1)
^  Exit: (192) [user] s2t(_proof1, _proof1)
   Call: (192) [apply] apply:maplist_([_premise1], _850556, user:s2t)
^  Call: (193) [user] s2t(_premise1, _859824)
   Call: (194) [system] compound(_premise1)
   Exit: (194) [system] compound(_premise1)
   Call: (194) [system] is_list(_premise1)
^  Call: (194) [user] s2tl(_premise1, _859824)
   Call: (195) [system] compound(_premise1)
   Exit: (195) [system] compound(_premise1)
^  Exit: (194) [user] s2tl(_premise1, _premise1)
^  Exit: (193) [user] s2t(_premise1, _premise1)
   Call: (193) [apply] apply:maplist_([], _859826, user:s2t)
   Exit: (193) [apply] apply:maplist_([], [], user:s2t)
   Exit: (192) [apply] apply:maplist_([_premise1], [_premise1], user:s2t)
   Exit: (191) [apply] apply:maplist_([_proof1, _premise1], [_proof1, _premise1], user:s2t)
   Exit: (190) [apply] apply:maplist_([:, _proof1, _premise1], [:, _proof1, _premise1], user:s2t)
^  Exit: (189) [apply] apply:maplist(user:s2t, [:, _proof1, _premise1], [:, _proof1, _premise1])
   Call: (189) [system] compound_name_arguments(_835688, t, [:, _proof1, _premise1])
   Exit: (189) [system] compound_name_arguments(t(:, _proof1, _premise1), t, [:, _proof1, _premise1])
^  Exit: (188) [user] s2t([:, _proof1, _premise1], t(:, _proof1, _premise1))
   Call: (188) [apply] apply:maplist_([[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], _835690, user:s2t)
^  Call: (189) [user] s2t([synthesize, [:, _proof1, _premise1], _kb, _rb, _k], _877492)
   Call: (190) [system] compound([synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
   Exit: (190) [system] compound([synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
   Call: (190) [system] synthesize==(->)
   Call: (190) [system] synthesize=='Cons'
   Call: (190) [system] synthesize==(=)
   Call: (190) [system] is_list([synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
   Exit: (190) [system] is_list([synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
^  Call: (190) [user] apply:maplist(s2t, [synthesize, [:, _proof1, _premise1], _kb, _rb, _k], _884904)
   Call: (191) [apply] apply:maplist_([synthesize, [:, _proof1, _premise1], _kb, _rb, _k], _884904, user:s2t)
^  Call: (192) [user] s2t(synthesize, _886784)
   Call: (193) [system] compound(synthesize)
   Call: (193) [system] synthesize=_886784
   Exit: (193) [system] synthesize=synthesize
^  Exit: (192) [user] s2t(synthesize, synthesize)
   Call: (192) [apply] apply:maplist_([[:, _proof1, _premise1], _kb, _rb, _k], _886786, user:s2t)
^  Call: (193) [user] s2t([:, _proof1, _premise1], _892358)
   Call: (194) [system] compound([:, _proof1, _premise1])
   Exit: (194) [system] compound([:, _proof1, _premise1])
   Call: (194) [system] (:)==(->)
   Call: (194) [system] (:)=='Cons'
   Call: (194) [system] (:)==(=)
   Call: (194) [system] is_list([:, _proof1, _premise1])
   Exit: (194) [system] is_list([:, _proof1, _premise1])
^  Call: (194) [user] apply:maplist(s2t, [:, _proof1, _premise1], _899770)
   Call: (195) [apply] apply:maplist_([:, _proof1, _premise1], _899770, user:s2t)
^  Call: (196) [user] s2t(:, _901650)
   Call: (197) [system] compound(:)
   Call: (197) [system] (:)=_901650
   Exit: (197) [system] (:)=(:)
^  Exit: (196) [user] s2t(:, :)
   Call: (196) [apply] apply:maplist_([_proof1, _premise1], _901652, user:s2t)
^  Call: (197) [user] s2t(_proof1, _907224)
   Call: (198) [system] compound(_proof1)
   Exit: (198) [system] compound(_proof1)
   Call: (198) [system] is_list(_proof1)
^  Call: (198) [user] s2tl(_proof1, _907224)
   Call: (199) [system] compound(_proof1)
   Exit: (199) [system] compound(_proof1)
^  Exit: (198) [user] s2tl(_proof1, _proof1)
^  Exit: (197) [user] s2t(_proof1, _proof1)
   Call: (197) [apply] apply:maplist_([_premise1], _907226, user:s2t)
^  Call: (198) [user] s2t(_premise1, _916494)
   Call: (199) [system] compound(_premise1)
   Exit: (199) [system] compound(_premise1)
   Call: (199) [system] is_list(_premise1)
^  Call: (199) [user] s2tl(_premise1, _916494)
   Call: (200) [system] compound(_premise1)
   Exit: (200) [system] compound(_premise1)
^  Exit: (199) [user] s2tl(_premise1, _premise1)
^  Exit: (198) [user] s2t(_premise1, _premise1)
   Call: (198) [apply] apply:maplist_([], _916496, user:s2t)
   Exit: (198) [apply] apply:maplist_([], [], user:s2t)
   Exit: (197) [apply] apply:maplist_([_premise1], [_premise1], user:s2t)
   Exit: (196) [apply] apply:maplist_([_proof1, _premise1], [_proof1, _premise1], user:s2t)
   Exit: (195) [apply] apply:maplist_([:, _proof1, _premise1], [:, _proof1, _premise1], user:s2t)
^  Exit: (194) [apply] apply:maplist(user:s2t, [:, _proof1, _premise1], [:, _proof1, _premise1])
   Call: (194) [system] compound_name_arguments(_892358, t, [:, _proof1, _premise1])
   Exit: (194) [system] compound_name_arguments(t(:, _proof1, _premise1), t, [:, _proof1, _premise1])
^  Exit: (193) [user] s2t([:, _proof1, _premise1], t(:, _proof1, _premise1))
   Call: (193) [apply] apply:maplist_([_kb, _rb, _k], _892360, user:s2t)
^  Call: (194) [user] s2t(_kb, _934162)
   Call: (195) [system] compound(_kb)
   Exit: (195) [system] compound(_kb)
   Call: (195) [system] is_list(_kb)
^  Call: (195) [user] s2tl(_kb, _934162)
   Call: (196) [system] compound(_kb)
   Exit: (196) [system] compound(_kb)
^  Exit: (195) [user] s2tl(_kb, _kb)
^  Exit: (194) [user] s2t(_kb, _kb)
   Call: (194) [apply] apply:maplist_([_rb, _k], _934164, user:s2t)
^  Call: (195) [user] s2t(_rb, _943432)
   Call: (196) [system] compound(_rb)
   Exit: (196) [system] compound(_rb)
   Call: (196) [system] is_list(_rb)
^  Call: (196) [user] s2tl(_rb, _943432)
   Call: (197) [system] compound(_rb)
   Exit: (197) [system] compound(_rb)
^  Exit: (196) [user] s2tl(_rb, _rb)
^  Exit: (195) [user] s2t(_rb, _rb)
   Call: (195) [apply] apply:maplist_([_k], _943434, user:s2t)
^  Call: (196) [user] s2t(_k, _952702)
   Call: (197) [system] compound(_k)
   Exit: (197) [system] compound(_k)
   Call: (197) [system] is_list(_k)
^  Call: (197) [user] s2tl(_k, _952702)
   Call: (198) [system] compound(_k)
   Exit: (198) [system] compound(_k)
^  Exit: (197) [user] s2tl(_k, _k)
^  Exit: (196) [user] s2t(_k, _k)
   Call: (196) [apply] apply:maplist_([], _952704, user:s2t)
   Exit: (196) [apply] apply:maplist_([], [], user:s2t)
   Exit: (195) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (194) [apply] apply:maplist_([_rb, _k], [_rb, _k], user:s2t)
   Exit: (193) [apply] apply:maplist_([_kb, _rb, _k], [_kb, _rb, _k], user:s2t)
   Exit: (192) [apply] apply:maplist_([[:, _proof1, _premise1], _kb, _rb, _k], [t(:, _proof1, _premise1), _kb, _rb, _k], user:s2t)
   Exit: (191) [apply] apply:maplist_([synthesize, [:, _proof1, _premise1], _kb, _rb, _k], [synthesize, t(:, _proof1, _premise1), _kb, _rb, _k], user:s2t)
^  Exit: (190) [apply] apply:maplist(user:s2t, [synthesize, [:, _proof1, _premise1], _kb, _rb, _k], [synthesize, t(:, _proof1, _premise1), _kb, _rb, _k])
   Call: (190) [system] compound_name_arguments(_877492, t, [synthesize, t(:, _proof1, _premise1), _kb, _rb, _k])
   Exit: (190) [system] compound_name_arguments(t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k), t, [synthesize, t(:, _proof1, _premise1), _kb, _rb, _k])
^  Exit: (189) [user] s2t([synthesize, [:, _proof1, _premise1], _kb, _rb, _k], t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k))
   Call: (189) [apply] apply:maplist_([], _877494, user:s2t)
   Exit: (189) [apply] apply:maplist_([], [], user:s2t)
   Exit: (188) [apply] apply:maplist_([[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)], user:s2t)
   Exit: (187) [apply] apply:maplist_([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)], user:s2t)
^  Exit: (186) [apply] apply:maplist(user:s2t, [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)])
   Call: (186) [system] compound_name_arguments(_826396, t, [t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)])
   Exit: (186) [system] compound_name_arguments(t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t, [t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)])
^  Exit: (185) [user] s2t([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)))
   Call: (185) [apply] apply:maplist_([[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _826398, user:s2t)
^  Call: (186) [user] s2t([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], _979702)
   Call: (187) [system] compound([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
   Exit: (187) [system] compound([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
   Call: (187) [system] [:, _proof2, _premise2]==(->)
   Call: (187) [system] [:, _proof2, _premise2]=='Cons'
   Call: (187) [system] [:, _proof2, _premise2]==(=)
   Call: (187) [system] is_list([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
   Exit: (187) [system] is_list([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
^  Call: (187) [user] apply:maplist(s2t, [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], _987114)
   Call: (188) [apply] apply:maplist_([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], _987114, user:s2t)
^  Call: (189) [user] s2t([:, _proof2, _premise2], _988994)
   Call: (190) [system] compound([:, _proof2, _premise2])
   Exit: (190) [system] compound([:, _proof2, _premise2])
   Call: (190) [system] (:)==(->)
   Call: (190) [system] (:)=='Cons'
   Call: (190) [system] (:)==(=)
   Call: (190) [system] is_list([:, _proof2, _premise2])
   Exit: (190) [system] is_list([:, _proof2, _premise2])
^  Call: (190) [user] apply:maplist(s2t, [:, _proof2, _premise2], _996406)
   Call: (191) [apply] apply:maplist_([:, _proof2, _premise2], _996406, user:s2t)
^  Call: (192) [user] s2t(:, _998286)
   Call: (193) [system] compound(:)
   Call: (193) [system] (:)=_998286
   Exit: (193) [system] (:)=(:)
^  Exit: (192) [user] s2t(:, :)
   Call: (192) [apply] apply:maplist_([_proof2, _premise2], _998288, user:s2t)
^  Call: (193) [user] s2t(_proof2, _1003860)
   Call: (194) [system] compound(_proof2)
   Exit: (194) [system] compound(_proof2)
   Call: (194) [system] is_list(_proof2)
^  Call: (194) [user] s2tl(_proof2, _1003860)
   Call: (195) [system] compound(_proof2)
   Exit: (195) [system] compound(_proof2)
^  Exit: (194) [user] s2tl(_proof2, _proof2)
^  Exit: (193) [user] s2t(_proof2, _proof2)
   Call: (193) [apply] apply:maplist_([_premise2], _1003862, user:s2t)
^  Call: (194) [user] s2t(_premise2, _1013130)
   Call: (195) [system] compound(_premise2)
   Exit: (195) [system] compound(_premise2)
   Call: (195) [system] is_list(_premise2)
^  Call: (195) [user] s2tl(_premise2, _1013130)
   Call: (196) [system] compound(_premise2)
   Exit: (196) [system] compound(_premise2)
^  Exit: (195) [user] s2tl(_premise2, _premise2)
^  Exit: (194) [user] s2t(_premise2, _premise2)
   Call: (194) [apply] apply:maplist_([], _1013132, user:s2t)
   Exit: (194) [apply] apply:maplist_([], [], user:s2t)
   Exit: (193) [apply] apply:maplist_([_premise2], [_premise2], user:s2t)
   Exit: (192) [apply] apply:maplist_([_proof2, _premise2], [_proof2, _premise2], user:s2t)
   Exit: (191) [apply] apply:maplist_([:, _proof2, _premise2], [:, _proof2, _premise2], user:s2t)
^  Exit: (190) [apply] apply:maplist(user:s2t, [:, _proof2, _premise2], [:, _proof2, _premise2])
   Call: (190) [system] compound_name_arguments(_988994, t, [:, _proof2, _premise2])
   Exit: (190) [system] compound_name_arguments(t(:, _proof2, _premise2), t, [:, _proof2, _premise2])
^  Exit: (189) [user] s2t([:, _proof2, _premise2], t(:, _proof2, _premise2))
   Call: (189) [apply] apply:maplist_([[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], _988996, user:s2t)
^  Call: (190) [user] s2t([synthesize, [:, _proof2, _premise2], _kb, _rb, _k], _1030798)
   Call: (191) [system] compound([synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
   Exit: (191) [system] compound([synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
   Call: (191) [system] synthesize==(->)
   Call: (191) [system] synthesize=='Cons'
   Call: (191) [system] synthesize==(=)
   Call: (191) [system] is_list([synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
   Exit: (191) [system] is_list([synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
^  Call: (191) [user] apply:maplist(s2t, [synthesize, [:, _proof2, _premise2], _kb, _rb, _k], _1038210)
   Call: (192) [apply] apply:maplist_([synthesize, [:, _proof2, _premise2], _kb, _rb, _k], _1038210, user:s2t)
^  Call: (193) [user] s2t(synthesize, _1040090)
   Call: (194) [system] compound(synthesize)
   Call: (194) [system] synthesize=_1040090
   Exit: (194) [system] synthesize=synthesize
^  Exit: (193) [user] s2t(synthesize, synthesize)
   Call: (193) [apply] apply:maplist_([[:, _proof2, _premise2], _kb, _rb, _k], _1040092, user:s2t)
^  Call: (194) [user] s2t([:, _proof2, _premise2], _1045664)
   Call: (195) [system] compound([:, _proof2, _premise2])
   Exit: (195) [system] compound([:, _proof2, _premise2])
   Call: (195) [system] (:)==(->)
   Call: (195) [system] (:)=='Cons'
   Call: (195) [system] (:)==(=)
   Call: (195) [system] is_list([:, _proof2, _premise2])
   Exit: (195) [system] is_list([:, _proof2, _premise2])
^  Call: (195) [user] apply:maplist(s2t, [:, _proof2, _premise2], _1053076)
   Call: (196) [apply] apply:maplist_([:, _proof2, _premise2], _1053076, user:s2t)
^  Call: (197) [user] s2t(:, _1054956)
   Call: (198) [system] compound(:)
   Call: (198) [system] (:)=_1054956
   Exit: (198) [system] (:)=(:)
^  Exit: (197) [user] s2t(:, :)
   Call: (197) [apply] apply:maplist_([_proof2, _premise2], _1054958, user:s2t)
^  Call: (198) [user] s2t(_proof2, _1060530)
   Call: (199) [system] compound(_proof2)
   Exit: (199) [system] compound(_proof2)
   Call: (199) [system] is_list(_proof2)
^  Call: (199) [user] s2tl(_proof2, _1060530)
   Call: (200) [system] compound(_proof2)
   Exit: (200) [system] compound(_proof2)
^  Exit: (199) [user] s2tl(_proof2, _proof2)
^  Exit: (198) [user] s2t(_proof2, _proof2)
   Call: (198) [apply] apply:maplist_([_premise2], _1060532, user:s2t)
^  Call: (199) [user] s2t(_premise2, _1069800)
   Call: (200) [system] compound(_premise2)
   Exit: (200) [system] compound(_premise2)
   Call: (200) [system] is_list(_premise2)
^  Call: (200) [user] s2tl(_premise2, _1069800)
   Call: (201) [system] compound(_premise2)
   Exit: (201) [system] compound(_premise2)
^  Exit: (200) [user] s2tl(_premise2, _premise2)
^  Exit: (199) [user] s2t(_premise2, _premise2)
   Call: (199) [apply] apply:maplist_([], _1069802, user:s2t)
   Exit: (199) [apply] apply:maplist_([], [], user:s2t)
   Exit: (198) [apply] apply:maplist_([_premise2], [_premise2], user:s2t)
   Exit: (197) [apply] apply:maplist_([_proof2, _premise2], [_proof2, _premise2], user:s2t)
   Exit: (196) [apply] apply:maplist_([:, _proof2, _premise2], [:, _proof2, _premise2], user:s2t)
^  Exit: (195) [apply] apply:maplist(user:s2t, [:, _proof2, _premise2], [:, _proof2, _premise2])
   Call: (195) [system] compound_name_arguments(_1045664, t, [:, _proof2, _premise2])
   Exit: (195) [system] compound_name_arguments(t(:, _proof2, _premise2), t, [:, _proof2, _premise2])
^  Exit: (194) [user] s2t([:, _proof2, _premise2], t(:, _proof2, _premise2))
   Call: (194) [apply] apply:maplist_([_kb, _rb, _k], _1045666, user:s2t)
^  Call: (195) [user] s2t(_kb, _1087468)
   Call: (196) [system] compound(_kb)
   Exit: (196) [system] compound(_kb)
   Call: (196) [system] is_list(_kb)
^  Call: (196) [user] s2tl(_kb, _1087468)
   Call: (197) [system] compound(_kb)
   Exit: (197) [system] compound(_kb)
^  Exit: (196) [user] s2tl(_kb, _kb)
^  Exit: (195) [user] s2t(_kb, _kb)
   Call: (195) [apply] apply:maplist_([_rb, _k], _1087470, user:s2t)
^  Call: (196) [user] s2t(_rb, _1096738)
   Call: (197) [system] compound(_rb)
   Exit: (197) [system] compound(_rb)
   Call: (197) [system] is_list(_rb)
^  Call: (197) [user] s2tl(_rb, _1096738)
   Call: (198) [system] compound(_rb)
   Exit: (198) [system] compound(_rb)
^  Exit: (197) [user] s2tl(_rb, _rb)
^  Exit: (196) [user] s2t(_rb, _rb)
   Call: (196) [apply] apply:maplist_([_k], _1096740, user:s2t)
^  Call: (197) [user] s2t(_k, _1106008)
   Call: (198) [system] compound(_k)
   Exit: (198) [system] compound(_k)
   Call: (198) [system] is_list(_k)
^  Call: (198) [user] s2tl(_k, _1106008)
   Call: (199) [system] compound(_k)
   Exit: (199) [system] compound(_k)
^  Exit: (198) [user] s2tl(_k, _k)
^  Exit: (197) [user] s2t(_k, _k)
   Call: (197) [apply] apply:maplist_([], _1106010, user:s2t)
   Exit: (197) [apply] apply:maplist_([], [], user:s2t)
   Exit: (196) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (195) [apply] apply:maplist_([_rb, _k], [_rb, _k], user:s2t)
   Exit: (194) [apply] apply:maplist_([_kb, _rb, _k], [_kb, _rb, _k], user:s2t)
   Exit: (193) [apply] apply:maplist_([[:, _proof2, _premise2], _kb, _rb, _k], [t(:, _proof2, _premise2), _kb, _rb, _k], user:s2t)
   Exit: (192) [apply] apply:maplist_([synthesize, [:, _proof2, _premise2], _kb, _rb, _k], [synthesize, t(:, _proof2, _premise2), _kb, _rb, _k], user:s2t)
^  Exit: (191) [apply] apply:maplist(user:s2t, [synthesize, [:, _proof2, _premise2], _kb, _rb, _k], [synthesize, t(:, _proof2, _premise2), _kb, _rb, _k])
   Call: (191) [system] compound_name_arguments(_1030798, t, [synthesize, t(:, _proof2, _premise2), _kb, _rb, _k])
   Exit: (191) [system] compound_name_arguments(t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k), t, [synthesize, t(:, _proof2, _premise2), _kb, _rb, _k])
^  Exit: (190) [user] s2t([synthesize, [:, _proof2, _premise2], _kb, _rb, _k], t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))
   Call: (190) [apply] apply:maplist_([], _1030800, user:s2t)
   Exit: (190) [apply] apply:maplist_([], [], user:s2t)
   Exit: (189) [apply] apply:maplist_([[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)], user:s2t)
   Exit: (188) [apply] apply:maplist_([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)], user:s2t)
^  Exit: (187) [apply] apply:maplist(user:s2t, [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)])
   Call: (187) [system] compound_name_arguments(_979702, t, [t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)])
   Exit: (187) [system] compound_name_arguments(t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t, [t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)])
^  Exit: (186) [user] s2t([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)))
   Call: (186) [apply] apply:maplist_([[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _979704, user:s2t)
^  Call: (187) [user] s2t([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], _1133008)
   Call: (188) [system] compound([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
   Exit: (188) [system] compound([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
   Call: (188) [system] [:, _proof3, _premise3]==(->)
   Call: (188) [system] [:, _proof3, _premise3]=='Cons'
   Call: (188) [system] [:, _proof3, _premise3]==(=)
   Call: (188) [system] is_list([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
   Exit: (188) [system] is_list([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
^  Call: (188) [user] apply:maplist(s2t, [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], _1140420)
   Call: (189) [apply] apply:maplist_([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], _1140420, user:s2t)
^  Call: (190) [user] s2t([:, _proof3, _premise3], _1142300)
   Call: (191) [system] compound([:, _proof3, _premise3])
   Exit: (191) [system] compound([:, _proof3, _premise3])
   Call: (191) [system] (:)==(->)
   Call: (191) [system] (:)=='Cons'
   Call: (191) [system] (:)==(=)
   Call: (191) [system] is_list([:, _proof3, _premise3])
   Exit: (191) [system] is_list([:, _proof3, _premise3])
^  Call: (191) [user] apply:maplist(s2t, [:, _proof3, _premise3], _1149712)
   Call: (192) [apply] apply:maplist_([:, _proof3, _premise3], _1149712, user:s2t)
^  Call: (193) [user] s2t(:, _1151592)
   Call: (194) [system] compound(:)
   Call: (194) [system] (:)=_1151592
   Exit: (194) [system] (:)=(:)
^  Exit: (193) [user] s2t(:, :)
   Call: (193) [apply] apply:maplist_([_proof3, _premise3], _1151594, user:s2t)
^  Call: (194) [user] s2t(_proof3, _1157166)
   Call: (195) [system] compound(_proof3)
   Exit: (195) [system] compound(_proof3)
   Call: (195) [system] is_list(_proof3)
^  Call: (195) [user] s2tl(_proof3, _1157166)
   Call: (196) [system] compound(_proof3)
   Exit: (196) [system] compound(_proof3)
^  Exit: (195) [user] s2tl(_proof3, _proof3)
^  Exit: (194) [user] s2t(_proof3, _proof3)
   Call: (194) [apply] apply:maplist_([_premise3], _1157168, user:s2t)
^  Call: (195) [user] s2t(_premise3, _1166436)
   Call: (196) [system] compound(_premise3)
   Exit: (196) [system] compound(_premise3)
   Call: (196) [system] is_list(_premise3)
^  Call: (196) [user] s2tl(_premise3, _1166436)
   Call: (197) [system] compound(_premise3)
   Exit: (197) [system] compound(_premise3)
^  Exit: (196) [user] s2tl(_premise3, _premise3)
^  Exit: (195) [user] s2t(_premise3, _premise3)
   Call: (195) [apply] apply:maplist_([], _1166438, user:s2t)
   Exit: (195) [apply] apply:maplist_([], [], user:s2t)
   Exit: (194) [apply] apply:maplist_([_premise3], [_premise3], user:s2t)
   Exit: (193) [apply] apply:maplist_([_proof3, _premise3], [_proof3, _premise3], user:s2t)
   Exit: (192) [apply] apply:maplist_([:, _proof3, _premise3], [:, _proof3, _premise3], user:s2t)
^  Exit: (191) [apply] apply:maplist(user:s2t, [:, _proof3, _premise3], [:, _proof3, _premise3])
   Call: (191) [system] compound_name_arguments(_1142300, t, [:, _proof3, _premise3])
   Exit: (191) [system] compound_name_arguments(t(:, _proof3, _premise3), t, [:, _proof3, _premise3])
^  Exit: (190) [user] s2t([:, _proof3, _premise3], t(:, _proof3, _premise3))
   Call: (190) [apply] apply:maplist_([[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], _1142302, user:s2t)
^  Call: (191) [user] s2t([synthesize, [:, _proof3, _premise3], _kb, _rb, _k], _1184104)
   Call: (192) [system] compound([synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
   Exit: (192) [system] compound([synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
   Call: (192) [system] synthesize==(->)
   Call: (192) [system] synthesize=='Cons'
   Call: (192) [system] synthesize==(=)
   Call: (192) [system] is_list([synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
   Exit: (192) [system] is_list([synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
^  Call: (192) [user] apply:maplist(s2t, [synthesize, [:, _proof3, _premise3], _kb, _rb, _k], _1191516)
   Call: (193) [apply] apply:maplist_([synthesize, [:, _proof3, _premise3], _kb, _rb, _k], _1191516, user:s2t)
^  Call: (194) [user] s2t(synthesize, _1193396)
   Call: (195) [system] compound(synthesize)
   Call: (195) [system] synthesize=_1193396
   Exit: (195) [system] synthesize=synthesize
^  Exit: (194) [user] s2t(synthesize, synthesize)
   Call: (194) [apply] apply:maplist_([[:, _proof3, _premise3], _kb, _rb, _k], _1193398, user:s2t)
^  Call: (195) [user] s2t([:, _proof3, _premise3], _1198970)
   Call: (196) [system] compound([:, _proof3, _premise3])
   Exit: (196) [system] compound([:, _proof3, _premise3])
   Call: (196) [system] (:)==(->)
   Call: (196) [system] (:)=='Cons'
   Call: (196) [system] (:)==(=)
   Call: (196) [system] is_list([:, _proof3, _premise3])
   Exit: (196) [system] is_list([:, _proof3, _premise3])
^  Call: (196) [user] apply:maplist(s2t, [:, _proof3, _premise3], _1206382)
   Call: (197) [apply] apply:maplist_([:, _proof3, _premise3], _1206382, user:s2t)
^  Call: (198) [user] s2t(:, _1208262)
   Call: (199) [system] compound(:)
   Call: (199) [system] (:)=_1208262
   Exit: (199) [system] (:)=(:)
^  Exit: (198) [user] s2t(:, :)
   Call: (198) [apply] apply:maplist_([_proof3, _premise3], _1208264, user:s2t)
^  Call: (199) [user] s2t(_proof3, _1213836)
   Call: (200) [system] compound(_proof3)
   Exit: (200) [system] compound(_proof3)
   Call: (200) [system] is_list(_proof3)
^  Call: (200) [user] s2tl(_proof3, _1213836)
   Call: (201) [system] compound(_proof3)
   Exit: (201) [system] compound(_proof3)
^  Exit: (200) [user] s2tl(_proof3, _proof3)
^  Exit: (199) [user] s2t(_proof3, _proof3)
   Call: (199) [apply] apply:maplist_([_premise3], _1213838, user:s2t)
^  Call: (200) [user] s2t(_premise3, _1223106)
   Call: (201) [system] compound(_premise3)
   Exit: (201) [system] compound(_premise3)
   Call: (201) [system] is_list(_premise3)
^  Call: (201) [user] s2tl(_premise3, _1223106)
   Call: (202) [system] compound(_premise3)
   Exit: (202) [system] compound(_premise3)
^  Exit: (201) [user] s2tl(_premise3, _premise3)
^  Exit: (200) [user] s2t(_premise3, _premise3)
   Call: (200) [apply] apply:maplist_([], _1223108, user:s2t)
   Exit: (200) [apply] apply:maplist_([], [], user:s2t)
   Exit: (199) [apply] apply:maplist_([_premise3], [_premise3], user:s2t)
   Exit: (198) [apply] apply:maplist_([_proof3, _premise3], [_proof3, _premise3], user:s2t)
   Exit: (197) [apply] apply:maplist_([:, _proof3, _premise3], [:, _proof3, _premise3], user:s2t)
^  Exit: (196) [apply] apply:maplist(user:s2t, [:, _proof3, _premise3], [:, _proof3, _premise3])
   Call: (196) [system] compound_name_arguments(_1198970, t, [:, _proof3, _premise3])
   Exit: (196) [system] compound_name_arguments(t(:, _proof3, _premise3), t, [:, _proof3, _premise3])
^  Exit: (195) [user] s2t([:, _proof3, _premise3], t(:, _proof3, _premise3))
   Call: (195) [apply] apply:maplist_([_kb, _rb, _k], _1198972, user:s2t)
^  Call: (196) [user] s2t(_kb, _1240774)
   Call: (197) [system] compound(_kb)
   Exit: (197) [system] compound(_kb)
   Call: (197) [system] is_list(_kb)
^  Call: (197) [user] s2tl(_kb, _1240774)
   Call: (198) [system] compound(_kb)
   Exit: (198) [system] compound(_kb)
^  Exit: (197) [user] s2tl(_kb, _kb)
^  Exit: (196) [user] s2t(_kb, _kb)
   Call: (196) [apply] apply:maplist_([_rb, _k], _1240776, user:s2t)
^  Call: (197) [user] s2t(_rb, _1250044)
   Call: (198) [system] compound(_rb)
   Exit: (198) [system] compound(_rb)
   Call: (198) [system] is_list(_rb)
^  Call: (198) [user] s2tl(_rb, _1250044)
   Call: (199) [system] compound(_rb)
   Exit: (199) [system] compound(_rb)
^  Exit: (198) [user] s2tl(_rb, _rb)
^  Exit: (197) [user] s2t(_rb, _rb)
   Call: (197) [apply] apply:maplist_([_k], _1250046, user:s2t)
^  Call: (198) [user] s2t(_k, _1259314)
   Call: (199) [system] compound(_k)
   Exit: (199) [system] compound(_k)
   Call: (199) [system] is_list(_k)
^  Call: (199) [user] s2tl(_k, _1259314)
   Call: (200) [system] compound(_k)
   Exit: (200) [system] compound(_k)
^  Exit: (199) [user] s2tl(_k, _k)
^  Exit: (198) [user] s2t(_k, _k)
   Call: (198) [apply] apply:maplist_([], _1259316, user:s2t)
   Exit: (198) [apply] apply:maplist_([], [], user:s2t)
   Exit: (197) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (196) [apply] apply:maplist_([_rb, _k], [_rb, _k], user:s2t)
   Exit: (195) [apply] apply:maplist_([_kb, _rb, _k], [_kb, _rb, _k], user:s2t)
   Exit: (194) [apply] apply:maplist_([[:, _proof3, _premise3], _kb, _rb, _k], [t(:, _proof3, _premise3), _kb, _rb, _k], user:s2t)
   Exit: (193) [apply] apply:maplist_([synthesize, [:, _proof3, _premise3], _kb, _rb, _k], [synthesize, t(:, _proof3, _premise3), _kb, _rb, _k], user:s2t)
^  Exit: (192) [apply] apply:maplist(user:s2t, [synthesize, [:, _proof3, _premise3], _kb, _rb, _k], [synthesize, t(:, _proof3, _premise3), _kb, _rb, _k])
   Call: (192) [system] compound_name_arguments(_1184104, t, [synthesize, t(:, _proof3, _premise3), _kb, _rb, _k])
   Exit: (192) [system] compound_name_arguments(t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k), t, [synthesize, t(:, _proof3, _premise3), _kb, _rb, _k])
^  Exit: (191) [user] s2t([synthesize, [:, _proof3, _premise3], _kb, _rb, _k], t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))
   Call: (191) [apply] apply:maplist_([], _1184106, user:s2t)
   Exit: (191) [apply] apply:maplist_([], [], user:s2t)
   Exit: (190) [apply] apply:maplist_([[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)], user:s2t)
   Exit: (189) [apply] apply:maplist_([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)], user:s2t)
^  Exit: (188) [apply] apply:maplist(user:s2t, [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)])
   Call: (188) [system] compound_name_arguments(_1133008, t, [t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)])
   Exit: (188) [system] compound_name_arguments(t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t, [t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)])
^  Exit: (187) [user] s2t([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)))
   Call: (187) [apply] apply:maplist_([[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _1133010, user:s2t)
^  Call: (188) [user] s2t([[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], _1286314)
   Call: (189) [system] compound([[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]])
   Exit: (189) [system] compound([[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]])
   Call: (189) [system] [:, _proof4, _premise4]==(->)
   Call: (189) [system] [:, _proof4, _premise4]=='Cons'
   Call: (189) [system] [:, _proof4, _premise4]==(=)
   Call: (189) [system] is_list([[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]])
   Exit: (189) [system] is_list([[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]])
^  Call: (189) [user] apply:maplist(s2t, [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], _1293726)
   Call: (190) [apply] apply:maplist_([[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], _1293726, user:s2t)
^  Call: (191) [user] s2t([:, _proof4, _premise4], _1295606)
   Call: (192) [system] compound([:, _proof4, _premise4])
   Exit: (192) [system] compound([:, _proof4, _premise4])
   Call: (192) [system] (:)==(->)
   Call: (192) [system] (:)=='Cons'
   Call: (192) [system] (:)==(=)
   Call: (192) [system] is_list([:, _proof4, _premise4])
   Exit: (192) [system] is_list([:, _proof4, _premise4])
^  Call: (192) [user] apply:maplist(s2t, [:, _proof4, _premise4], _1303018)
   Call: (193) [apply] apply:maplist_([:, _proof4, _premise4], _1303018, user:s2t)
^  Call: (194) [user] s2t(:, _1304898)
   Call: (195) [system] compound(:)
   Call: (195) [system] (:)=_1304898
   Exit: (195) [system] (:)=(:)
^  Exit: (194) [user] s2t(:, :)
   Call: (194) [apply] apply:maplist_([_proof4, _premise4], _1304900, user:s2t)
^  Call: (195) [user] s2t(_proof4, _1310472)
   Call: (196) [system] compound(_proof4)
   Exit: (196) [system] compound(_proof4)
   Call: (196) [system] is_list(_proof4)
^  Call: (196) [user] s2tl(_proof4, _1310472)
   Call: (197) [system] compound(_proof4)
   Exit: (197) [system] compound(_proof4)
^  Exit: (196) [user] s2tl(_proof4, _proof4)
^  Exit: (195) [user] s2t(_proof4, _proof4)
   Call: (195) [apply] apply:maplist_([_premise4], _1310474, user:s2t)
^  Call: (196) [user] s2t(_premise4, _1319742)
   Call: (197) [system] compound(_premise4)
   Exit: (197) [system] compound(_premise4)
   Call: (197) [system] is_list(_premise4)
^  Call: (197) [user] s2tl(_premise4, _1319742)
   Call: (198) [system] compound(_premise4)
   Exit: (198) [system] compound(_premise4)
^  Exit: (197) [user] s2tl(_premise4, _premise4)
^  Exit: (196) [user] s2t(_premise4, _premise4)
   Call: (196) [apply] apply:maplist_([], _1319744, user:s2t)
   Exit: (196) [apply] apply:maplist_([], [], user:s2t)
   Exit: (195) [apply] apply:maplist_([_premise4], [_premise4], user:s2t)
   Exit: (194) [apply] apply:maplist_([_proof4, _premise4], [_proof4, _premise4], user:s2t)
   Exit: (193) [apply] apply:maplist_([:, _proof4, _premise4], [:, _proof4, _premise4], user:s2t)
^  Exit: (192) [apply] apply:maplist(user:s2t, [:, _proof4, _premise4], [:, _proof4, _premise4])
   Call: (192) [system] compound_name_arguments(_1295606, t, [:, _proof4, _premise4])
   Exit: (192) [system] compound_name_arguments(t(:, _proof4, _premise4), t, [:, _proof4, _premise4])
^  Exit: (191) [user] s2t([:, _proof4, _premise4], t(:, _proof4, _premise4))
   Call: (191) [apply] apply:maplist_([[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], _1295608, user:s2t)
^  Call: (192) [user] s2t([synthesize, [:, _proof4, _premise4], _kb, _rb, _k], _1337410)
   Call: (193) [system] compound([synthesize, [:, _proof4, _premise4], _kb, _rb, _k])
   Exit: (193) [system] compound([synthesize, [:, _proof4, _premise4], _kb, _rb, _k])
   Call: (193) [system] synthesize==(->)
   Call: (193) [system] synthesize=='Cons'
   Call: (193) [system] synthesize==(=)
   Call: (193) [system] is_list([synthesize, [:, _proof4, _premise4], _kb, _rb, _k])
   Exit: (193) [system] is_list([synthesize, [:, _proof4, _premise4], _kb, _rb, _k])
^  Call: (193) [user] apply:maplist(s2t, [synthesize, [:, _proof4, _premise4], _kb, _rb, _k], _1344822)
   Call: (194) [apply] apply:maplist_([synthesize, [:, _proof4, _premise4], _kb, _rb, _k], _1344822, user:s2t)
^  Call: (195) [user] s2t(synthesize, _1346702)
   Call: (196) [system] compound(synthesize)
   Call: (196) [system] synthesize=_1346702
   Exit: (196) [system] synthesize=synthesize
^  Exit: (195) [user] s2t(synthesize, synthesize)
   Call: (195) [apply] apply:maplist_([[:, _proof4, _premise4], _kb, _rb, _k], _1346704, user:s2t)
^  Call: (196) [user] s2t([:, _proof4, _premise4], _1352276)
   Call: (197) [system] compound([:, _proof4, _premise4])
   Exit: (197) [system] compound([:, _proof4, _premise4])
   Call: (197) [system] (:)==(->)
   Call: (197) [system] (:)=='Cons'
   Call: (197) [system] (:)==(=)
   Call: (197) [system] is_list([:, _proof4, _premise4])
   Exit: (197) [system] is_list([:, _proof4, _premise4])
^  Call: (197) [user] apply:maplist(s2t, [:, _proof4, _premise4], _1359688)
   Call: (198) [apply] apply:maplist_([:, _proof4, _premise4], _1359688, user:s2t)
^  Call: (199) [user] s2t(:, _1361568)
   Call: (200) [system] compound(:)
   Call: (200) [system] (:)=_1361568
   Exit: (200) [system] (:)=(:)
^  Exit: (199) [user] s2t(:, :)
   Call: (199) [apply] apply:maplist_([_proof4, _premise4], _1361570, user:s2t)
^  Call: (200) [user] s2t(_proof4, _1367142)
   Call: (201) [system] compound(_proof4)
   Exit: (201) [system] compound(_proof4)
   Call: (201) [system] is_list(_proof4)
^  Call: (201) [user] s2tl(_proof4, _1367142)
   Call: (202) [system] compound(_proof4)
   Exit: (202) [system] compound(_proof4)
^  Exit: (201) [user] s2tl(_proof4, _proof4)
^  Exit: (200) [user] s2t(_proof4, _proof4)
   Call: (200) [apply] apply:maplist_([_premise4], _1367144, user:s2t)
^  Call: (201) [user] s2t(_premise4, _1376412)
   Call: (202) [system] compound(_premise4)
   Exit: (202) [system] compound(_premise4)
   Call: (202) [system] is_list(_premise4)
^  Call: (202) [user] s2tl(_premise4, _1376412)
   Call: (203) [system] compound(_premise4)
   Exit: (203) [system] compound(_premise4)
^  Exit: (202) [user] s2tl(_premise4, _premise4)
^  Exit: (201) [user] s2t(_premise4, _premise4)
   Call: (201) [apply] apply:maplist_([], _1376414, user:s2t)
   Exit: (201) [apply] apply:maplist_([], [], user:s2t)
   Exit: (200) [apply] apply:maplist_([_premise4], [_premise4], user:s2t)
   Exit: (199) [apply] apply:maplist_([_proof4, _premise4], [_proof4, _premise4], user:s2t)
   Exit: (198) [apply] apply:maplist_([:, _proof4, _premise4], [:, _proof4, _premise4], user:s2t)
^  Exit: (197) [apply] apply:maplist(user:s2t, [:, _proof4, _premise4], [:, _proof4, _premise4])
   Call: (197) [system] compound_name_arguments(_1352276, t, [:, _proof4, _premise4])
   Exit: (197) [system] compound_name_arguments(t(:, _proof4, _premise4), t, [:, _proof4, _premise4])
^  Exit: (196) [user] s2t([:, _proof4, _premise4], t(:, _proof4, _premise4))
   Call: (196) [apply] apply:maplist_([_kb, _rb, _k], _1352278, user:s2t)
^  Call: (197) [user] s2t(_kb, _1394080)
   Call: (198) [system] compound(_kb)
   Exit: (198) [system] compound(_kb)
   Call: (198) [system] is_list(_kb)
^  Call: (198) [user] s2tl(_kb, _1394080)
   Call: (199) [system] compound(_kb)
   Exit: (199) [system] compound(_kb)
^  Exit: (198) [user] s2tl(_kb, _kb)
^  Exit: (197) [user] s2t(_kb, _kb)
   Call: (197) [apply] apply:maplist_([_rb, _k], _1394082, user:s2t)
^  Call: (198) [user] s2t(_rb, _1403350)
   Call: (199) [system] compound(_rb)
   Exit: (199) [system] compound(_rb)
   Call: (199) [system] is_list(_rb)
^  Call: (199) [user] s2tl(_rb, _1403350)
   Call: (200) [system] compound(_rb)
   Exit: (200) [system] compound(_rb)
^  Exit: (199) [user] s2tl(_rb, _rb)
^  Exit: (198) [user] s2t(_rb, _rb)
   Call: (198) [apply] apply:maplist_([_k], _1403352, user:s2t)
^  Call: (199) [user] s2t(_k, _1412620)
   Call: (200) [system] compound(_k)
   Exit: (200) [system] compound(_k)
   Call: (200) [system] is_list(_k)
^  Call: (200) [user] s2tl(_k, _1412620)
   Call: (201) [system] compound(_k)
   Exit: (201) [system] compound(_k)
^  Exit: (200) [user] s2tl(_k, _k)
^  Exit: (199) [user] s2t(_k, _k)
   Call: (199) [apply] apply:maplist_([], _1412622, user:s2t)
   Exit: (199) [apply] apply:maplist_([], [], user:s2t)
   Exit: (198) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (197) [apply] apply:maplist_([_rb, _k], [_rb, _k], user:s2t)
   Exit: (196) [apply] apply:maplist_([_kb, _rb, _k], [_kb, _rb, _k], user:s2t)
   Exit: (195) [apply] apply:maplist_([[:, _proof4, _premise4], _kb, _rb, _k], [t(:, _proof4, _premise4), _kb, _rb, _k], user:s2t)
   Exit: (194) [apply] apply:maplist_([synthesize, [:, _proof4, _premise4], _kb, _rb, _k], [synthesize, t(:, _proof4, _premise4), _kb, _rb, _k], user:s2t)
^  Exit: (193) [apply] apply:maplist(user:s2t, [synthesize, [:, _proof4, _premise4], _kb, _rb, _k], [synthesize, t(:, _proof4, _premise4), _kb, _rb, _k])
   Call: (193) [system] compound_name_arguments(_1337410, t, [synthesize, t(:, _proof4, _premise4), _kb, _rb, _k])
   Exit: (193) [system] compound_name_arguments(t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k), t, [synthesize, t(:, _proof4, _premise4), _kb, _rb, _k])
^  Exit: (192) [user] s2t([synthesize, [:, _proof4, _premise4], _kb, _rb, _k], t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))
   Call: (192) [apply] apply:maplist_([], _1337412, user:s2t)
   Exit: (192) [apply] apply:maplist_([], [], user:s2t)
   Exit: (191) [apply] apply:maplist_([[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k)], user:s2t)
   Exit: (190) [apply] apply:maplist_([[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k)], user:s2t)
^  Exit: (189) [apply] apply:maplist(user:s2t, [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k)])
   Call: (189) [system] compound_name_arguments(_1286314, t, [t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k)])
   Exit: (189) [system] compound_name_arguments(t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k)), t, [t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k)])
^  Exit: (188) [user] s2t([[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k)))
   Call: (188) [apply] apply:maplist_([], _1286316, user:s2t)
   Exit: (188) [apply] apply:maplist_([], [], user:s2t)
   Exit: (187) [apply] apply:maplist_([[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], [t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))], user:s2t)
   Exit: (186) [apply] apply:maplist_([[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], [t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))], user:s2t)
   Exit: (185) [apply] apply:maplist_([[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], [t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))], user:s2t)
   Exit: (184) [apply] apply:maplist_([[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], [t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))], user:s2t)
   Exit: (183) [apply] apply:maplist_([[[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], [t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))], user:s2t)
   Exit: (182) [apply] apply:maplist_([[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], [t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))], user:s2t)
^  Exit: (181) [apply] apply:maplist(user:s2t, [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], [t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))])
   Call: (181) [system] compound_name_arguments(_545036, t, [t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))])
   Exit: (181) [system] compound_name_arguments(t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), t, [t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))])
^  Exit: (180) [user] s2t([[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))))
   Call: (180) [apply] apply:maplist_([_query], _545038, user:s2t)
^  Call: (181) [user] s2t(_query, _1450820)
   Call: (182) [system] compound(_query)
   Exit: (182) [system] compound(_query)
   Call: (182) [system] is_list(_query)
^  Call: (182) [user] s2tl(_query, _1450820)
   Call: (183) [system] compound(_query)
   Exit: (183) [system] compound(_query)
^  Exit: (182) [user] s2tl(_query, _query)
^  Exit: (181) [user] s2t(_query, _query)
   Call: (181) [apply] apply:maplist_([], _1450822, user:s2t)
   Exit: (181) [apply] apply:maplist_([], [], user:s2t)
   Exit: (180) [apply] apply:maplist_([_query], [_query], user:s2t)
   Exit: (179) [apply] apply:maplist_([[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query], [t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query], user:s2t)
   Exit: (178) [apply] apply:maplist_(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query], ['let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query], user:s2t)
^  Exit: (177) [apply] apply:maplist(user:s2t, ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query], ['let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query])
   Call: (177) [system] compound_name_arguments(_530170, t, ['let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query])
   Exit: (177) [system] compound_name_arguments(t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query), t, ['let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query])
^  Exit: (176) [user] s2t(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query], t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query))
^  Call: (176) [user] s2tl([], _530172)
   Call: (177) [system] compound([])
   Call: (177) [system] []=_530172
   Exit: (177) [system] []=[]
^  Exit: (176) [user] s2tl([], [])
^  Exit: (175) [user] s2tl([['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)])
^  Exit: (174) [user] s2tl([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)])
^  Exit: (173) [user] s2tl([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)])
^  Exit: (172) [user] s2t_iz(ynthesize_long_1727204587_629323, ynthesize_long_1727204587_629323, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)])
^  Call: (172) [user] relistify([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)], _1475910)
   Call: (173) [system] is_list([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)])
   Exit: (173) [system] is_list([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)])
   Call: (173) [system] _1475910=[=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)]
   Exit: (173) [system] [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)]=[=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)]
^  Exit: (172) [user] relistify([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)], [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)])
   Call: (172) [system] _1481472=..[ynthesize_long_1727204587_629323, 116, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)]
   Exit: (172) [system] ynthesize_long_1727204587_629323(116, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query))=..[ynthesize_long_1727204587_629323, 116, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)]
^  Call: (172) [user] format((0x563acd7397e0), "~q.~n", [ynthesize_long_1727204587_629323(116, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query))])
^  Exit: (172) [user] format((0x563acd7397e0), "~q.~n", [ynthesize_long_1727204587_629323(116, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query))])
^  Exit: (171) [user] write_metta_datalog_term((0x563acd7397e0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], ynthesize_long_1727204587_629323, 116)
^  Exit: (169) [system] once(user:(if_t((get_time(1727204609.5892966), arg(1, t(1727204609.5892966), 1727204596.0891678), 13.500128746032715 is 1727204609.5892966-1727204596.0891678, 13.500128746032715>4), (nb_setarg(1, t(1727204609.5892966), 1727204609.5892966), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]), 116]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 25, 25+1), write_metta_datalog_term((0x563acd7397e0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], ynthesize_long_1727204587_629323, 116)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x563acd73bee0))
   Fail: (169) [system] at_end_of_stream((0x563acd73bee0))
^  Call: (169) [user] must_det_ll(line_count((0x563acd73bee0), _3074))
^  Call: (170) [user] once(user:line_count((0x563acd73bee0), _3074))
   Call: (171) [system] line_count((0x563acd73bee0), _3074)
   Exit: (171) [system] line_count((0x563acd73bee0), 153)
^  Exit: (170) [system] once(user:line_count((0x563acd73bee0), 153))
^  Exit: (169) [user] must_det_ll(user:line_count((0x563acd73bee0), 153))
^  Call: (169) [user] must_det_ll(read_sform((0x563acd73bee0), _3084))
^  Call: (170) [user] once(user:read_sform((0x563acd73bee0), _3084))
^  Call: (171) [user] read_sform((0x563acd73bee0), _3084)
   Call: (172) [system] string((0x563acd73bee0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
   Call: (173) [system] string((0x563acd73bee0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), _3084)
   Call: (174) [system] at_end_of_stream((0x563acd73bee0))
   Call: (174) [system] peek_char((0x563acd73bee0), _1506664)
   Exit: (174) [system] peek_char((0x563acd73bee0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x563acd73bee0), '\n')
   Exit: (174) [system] get_char((0x563acd73bee0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x563acd73bee0), _3084)
   Call: (175) [system] at_end_of_stream((0x563acd73bee0))
   Call: (175) [system] peek_char((0x563acd73bee0), _1514086)
   Exit: (175) [system] peek_char((0x563acd73bee0), '\n')
   Call: (175) [system] char_type('\n', space)
   Exit: (175) [system] char_type('\n', space)
   Call: (175) [system] get_char((0x563acd73bee0), '\n')
   Exit: (175) [system] get_char((0x563acd73bee0), '\n')
^  Call: (175) [user] parse_sexpr_metta_IO((0x563acd73bee0), _3084)
   Call: (176) [system] at_end_of_stream((0x563acd73bee0))
   Call: (176) [system] peek_char((0x563acd73bee0), _1521508)
   Exit: (176) [system] peek_char((0x563acd73bee0), !)
   Call: (176) [system] char_type(!, space)
^  Call: (176) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
   Call: (177) [system] string((0x563acd73bee0))
^  Exit: (176) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
^  Call: (176) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), _3084)
^  Call: (177) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), _3084)
   Call: (178) [system] at_end_of_stream((0x563acd73bee0))
   Call: (178) [system] peek_char((0x563acd73bee0), _1529846)
   Exit: (178) [system] peek_char((0x563acd73bee0), !)
   Call: (178) [system] char_type(!, space)
   Call: (178) [system] _1532632=(0x563acd73bee0)
   Exit: (178) [system] (0x563acd73bee0)=(0x563acd73bee0)
^  Call: (178) [user] once((read_position((0x563acd73bee0), _1534500, _1534502, _1534504, _1534506), read_sexpr((0x563acd73bee0), _1534518), assertz(metta_file_comment(_1534500, _1534502, _1534504, _1534518, _1534506))))
^  Call: (180) [user] read_position((0x563acd73bee0), _1534500, _1534502, _1534504, _1534506)
   Call: (181) [system] stream_property((0x563acd73bee0), position(_1534506))
   Call: (182) [system] nonvar((0x563acd73bee0))
   Exit: (182) [system] nonvar((0x563acd73bee0))
   Call: (182) [system] nonvar(position(_1534506))
   Exit: (182) [system] nonvar(position(_1534506))
   Exit: (181) [system] stream_property((0x563acd73bee0), position('$stream_position'(7568, 155, 0, 7568)))
   Call: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(7568, 155, 0, 7568), _1534500)
   Call: (182) [system] nonvar(line_count)
   Exit: (182) [system] nonvar(line_count)
   Call: (182) [$syspreds] stream_position_field(line_count, _1544758)
   Exit: (182) [$syspreds] stream_position_field(line_count, 2)
   Call: (182) [system] arg(2, '$stream_position'(7568, 155, 0, 7568), _1534500)
   Exit: (182) [system] arg(2, '$stream_position'(7568, 155, 0, 7568), 155)
   Exit: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(7568, 155, 0, 7568), 155)
   Call: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(7568, 155, 0, 7568), _1534502)
   Call: (182) [system] nonvar(line_position)
   Exit: (182) [system] nonvar(line_position)
   Call: (182) [$syspreds] stream_position_field(line_position, _1552192)
   Exit: (182) [$syspreds] stream_position_field(line_position, 3)
   Call: (182) [system] arg(3, '$stream_position'(7568, 155, 0, 7568), _1534502)
   Exit: (182) [system] arg(3, '$stream_position'(7568, 155, 0, 7568), 0)
   Exit: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(7568, 155, 0, 7568), 0)
   Call: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(7568, 155, 0, 7568), _1534504)
   Call: (182) [system] nonvar(char_count)
   Exit: (182) [system] nonvar(char_count)
   Call: (182) [$syspreds] stream_position_field(char_count, _1559626)
   Exit: (182) [$syspreds] stream_position_field(char_count, 1)
   Call: (182) [system] arg(1, '$stream_position'(7568, 155, 0, 7568), _1534504)
   Exit: (182) [system] arg(1, '$stream_position'(7568, 155, 0, 7568), 7568)
   Exit: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(7568, 155, 0, 7568), 7568)
^  Exit: (180) [user] read_position((0x563acd73bee0), 155, 0, 7568, '$stream_position'(7568, 155, 0, 7568))
^  Call: (180) [user] read_sexpr((0x563acd73bee0), _1534518)
   Call: (181) [system] string((0x563acd73bee0))
   Fail: (181) [system] string((0x563acd73bee0))
^  Call: (181) [user] cont_sexpr(')', (0x563acd73bee0), _1534518)
^  Call: (182) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] peek_char((0x563acd73bee0), _1569852)
   Exit: (183) [system] peek_char((0x563acd73bee0), !)
   Call: (183) [system] !=(;)
   Fail: (183) [system] !=(;)
   Call: (183) [system] !=(/)
   Fail: (183) [system] !=(/)
^  Call: (183) [user] is_like_space(!)
   Call: (184) [system] char_type(!, 'white')
   Fail: (184) [system] char_type(!, 'white')
   Call: (184) [system] char_type(!, end_of_line)
   Fail: (184) [system] char_type(!, end_of_line)
   Call: (184) [system] char_type(!, space)
   Fail: (184) [system] char_type(!, space)
   Call: (184) [system] char_type(!, cntrl)
   Fail: (184) [system] char_type(!, cntrl)
^  Fail: (183) [user] is_like_space(!)
^  Exit: (182) [user] skip_spaces((0x563acd73bee0))
   Call: (182) [system] get_char((0x563acd73bee0), _1585862)
   Exit: (182) [system] get_char((0x563acd73bee0), !)
   Call: (182) [system] !='('
   Fail: (182) [system] !='('
   Call: (182) [system] !='['
   Fail: (182) [system] !='['
   Call: (182) [system] !='{'
   Fail: (182) [system] !='{'
   Call: (182) [system] !='"'
   Fail: (182) [system] !='"'
   Call: (182) [system] !=!
   Exit: (182) [system] !=!
^  Call: (182) [user] read_sexpr((0x563acd73bee0), _1597000)
   Call: (183) [system] string((0x563acd73bee0))
   Fail: (183) [system] string((0x563acd73bee0))
^  Call: (183) [user] cont_sexpr(')', (0x563acd73bee0), _1597000)
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _1601634)
   Exit: (185) [system] peek_char((0x563acd73bee0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] get_char((0x563acd73bee0), _1617644)
   Exit: (184) [system] get_char((0x563acd73bee0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x563acd73bee0), _1597000)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1623214)
   Exit: (186) [system] peek_char((0x563acd73bee0), a)
   Call: (186) [system] a=(;)
   Fail: (186) [system] a=(;)
   Call: (186) [system] a=(/)
   Fail: (186) [system] a=(/)
^  Call: (186) [user] is_like_space(a)
   Call: (187) [system] char_type(a, 'white')
   Fail: (187) [system] char_type(a, 'white')
   Call: (187) [system] char_type(a, end_of_line)
   Fail: (187) [system] char_type(a, end_of_line)
   Call: (187) [system] char_type(a, space)
   Fail: (187) [system] char_type(a, space)
   Call: (187) [system] char_type(a, cntrl)
   Fail: (187) [system] char_type(a, cntrl)
^  Fail: (186) [user] is_like_space(a)
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _1639224)
   Exit: (185) [system] peek_char((0x563acd73bee0), a)
   Call: (185) [system] a=')'
   Fail: (185) [system] a=')'
   Call: (185) [system] a=end_of_file
   Fail: (185) [system] a=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x563acd73bee0), _1644794)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _1646652)
   Exit: (187) [system] peek_char((0x563acd73bee0), a)
   Call: (187) [system] a=(;)
   Fail: (187) [system] a=(;)
   Call: (187) [system] a=(/)
   Fail: (187) [system] a=(/)
^  Call: (187) [user] is_like_space(a)
   Call: (188) [system] char_type(a, 'white')
   Fail: (188) [system] char_type(a, 'white')
   Call: (188) [system] char_type(a, end_of_line)
   Fail: (188) [system] char_type(a, end_of_line)
   Call: (188) [system] char_type(a, space)
   Fail: (188) [system] char_type(a, space)
   Call: (188) [system] char_type(a, cntrl)
   Fail: (188) [system] char_type(a, cntrl)
^  Fail: (187) [user] is_like_space(a)
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] get_char((0x563acd73bee0), _1662662)
   Exit: (186) [system] get_char((0x563acd73bee0), a)
   Call: (186) [system] a='('
   Fail: (186) [system] a='('
   Call: (186) [system] a='['
   Fail: (186) [system] a='['
   Call: (186) [system] a='{'
   Fail: (186) [system] a='{'
   Call: (186) [system] a='"'
   Fail: (186) [system] a='"'
   Call: (186) [system] a=!
   Fail: (186) [system] a=!
   Call: (186) [system] a='\''
   Fail: (186) [system] a='\''
   Call: (186) [system] a='`'
   Fail: (186) [system] a='`'
   Call: (186) [system] a=end_of_file
   Fail: (186) [system] a=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x563acd73bee0), a, _1644794)
^  Call: (187) [user] read_symbolic_cont(')', (0x563acd73bee0), _1680304)
   Call: (188) [system] peek_char((0x563acd73bee0), _1681238)
   Exit: (188) [system] peek_char((0x563acd73bee0), s)
^  Call: (188) [user] is_delimiter(s)
   Call: (189) [system] char_type(s, space)
   Fail: (189) [system] char_type(s, space)
   Call: (189) [system] arg(_1685958, v('(', ')', end_of_file), s)
   Fail: (189) [system] arg(_1686890, v('(', ')', end_of_file), s)
^  Fail: (188) [user] is_delimiter(s)
   Call: (188) [system] ')'==s
   Fail: (188) [system] ')'==s
   Call: (188) [system] get_char((0x563acd73bee0), s)
   Exit: (188) [system] get_char((0x563acd73bee0), s)
   Call: (188) [system] s=(\)
   Fail: (188) [system] s=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), _1694240)
   Call: (189) [system] peek_char((0x563acd73bee0), _1695174)
   Exit: (189) [system] peek_char((0x563acd73bee0), s)
^  Call: (189) [user] is_delimiter(s)
   Call: (190) [system] char_type(s, space)
   Fail: (190) [system] char_type(s, space)
   Call: (190) [system] arg(_1699894, v('(', ')', end_of_file), s)
   Fail: (190) [system] arg(_1700826, v('(', ')', end_of_file), s)
^  Fail: (189) [user] is_delimiter(s)
   Call: (189) [system] ')'==s
   Fail: (189) [system] ')'==s
   Call: (189) [system] get_char((0x563acd73bee0), s)
   Exit: (189) [system] get_char((0x563acd73bee0), s)
   Call: (189) [system] s=(\)
   Fail: (189) [system] s=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), _1708176)
   Call: (190) [system] peek_char((0x563acd73bee0), _1709110)
   Exit: (190) [system] peek_char((0x563acd73bee0), e)
^  Call: (190) [user] is_delimiter(e)
   Call: (191) [system] char_type(e, space)
   Fail: (191) [system] char_type(e, space)
   Call: (191) [system] arg(_1713830, v('(', ')', end_of_file), e)
   Fail: (191) [system] arg(_1714762, v('(', ')', end_of_file), e)
^  Fail: (190) [user] is_delimiter(e)
   Call: (190) [system] ')'==e
   Fail: (190) [system] ')'==e
   Call: (190) [system] get_char((0x563acd73bee0), e)
   Exit: (190) [system] get_char((0x563acd73bee0), e)
   Call: (190) [system] e=(\)
   Fail: (190) [system] e=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), _1722112)
   Call: (191) [system] peek_char((0x563acd73bee0), _1723046)
   Exit: (191) [system] peek_char((0x563acd73bee0), r)
^  Call: (191) [user] is_delimiter(r)
   Call: (192) [system] char_type(r, space)
   Fail: (192) [system] char_type(r, space)
   Call: (192) [system] arg(_1727766, v('(', ')', end_of_file), r)
   Fail: (192) [system] arg(_1728698, v('(', ')', end_of_file), r)
^  Fail: (191) [user] is_delimiter(r)
   Call: (191) [system] ')'==r
   Fail: (191) [system] ')'==r
   Call: (191) [system] get_char((0x563acd73bee0), r)
   Exit: (191) [system] get_char((0x563acd73bee0), r)
   Call: (191) [system] r=(\)
   Fail: (191) [system] r=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), _1736048)
   Call: (192) [system] peek_char((0x563acd73bee0), _1736982)
   Exit: (192) [system] peek_char((0x563acd73bee0), t)
^  Call: (192) [user] is_delimiter(t)
   Call: (193) [system] char_type(t, space)
   Fail: (193) [system] char_type(t, space)
   Call: (193) [system] arg(_1741702, v('(', ')', end_of_file), t)
   Fail: (193) [system] arg(_1742634, v('(', ')', end_of_file), t)
^  Fail: (192) [user] is_delimiter(t)
   Call: (192) [system] ')'==t
   Fail: (192) [system] ')'==t
   Call: (192) [system] get_char((0x563acd73bee0), t)
   Exit: (192) [system] get_char((0x563acd73bee0), t)
   Call: (192) [system] t=(\)
   Fail: (192) [system] t=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), _1749984)
   Call: (193) [system] peek_char((0x563acd73bee0), _1750918)
   Exit: (193) [system] peek_char((0x563acd73bee0), 'E')
^  Call: (193) [user] is_delimiter('E')
   Call: (194) [system] char_type('E', space)
   Fail: (194) [system] char_type('E', space)
   Call: (194) [system] arg(_1755638, v('(', ')', end_of_file), 'E')
   Fail: (194) [system] arg(_1756570, v('(', ')', end_of_file), 'E')
^  Fail: (193) [user] is_delimiter('E')
   Call: (193) [system] ')'=='E'
   Fail: (193) [system] ')'=='E'
   Call: (193) [system] get_char((0x563acd73bee0), 'E')
   Exit: (193) [system] get_char((0x563acd73bee0), 'E')
   Call: (193) [system] 'E'=(\)
   Fail: (193) [system] 'E'=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _1763920)
   Call: (194) [system] peek_char((0x563acd73bee0), _1764854)
   Exit: (194) [system] peek_char((0x563acd73bee0), q)
^  Call: (194) [user] is_delimiter(q)
   Call: (195) [system] char_type(q, space)
   Fail: (195) [system] char_type(q, space)
   Call: (195) [system] arg(_1769574, v('(', ')', end_of_file), q)
   Fail: (195) [system] arg(_1770506, v('(', ')', end_of_file), q)
^  Fail: (194) [user] is_delimiter(q)
   Call: (194) [system] ')'==q
   Fail: (194) [system] ')'==q
   Call: (194) [system] get_char((0x563acd73bee0), q)
   Exit: (194) [system] get_char((0x563acd73bee0), q)
   Call: (194) [system] q=(\)
   Fail: (194) [system] q=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _1777856)
   Call: (195) [system] peek_char((0x563acd73bee0), _1778790)
   Exit: (195) [system] peek_char((0x563acd73bee0), u)
^  Call: (195) [user] is_delimiter(u)
   Call: (196) [system] char_type(u, space)
   Fail: (196) [system] char_type(u, space)
   Call: (196) [system] arg(_1783510, v('(', ')', end_of_file), u)
   Fail: (196) [system] arg(_1784442, v('(', ')', end_of_file), u)
^  Fail: (195) [user] is_delimiter(u)
   Call: (195) [system] ')'==u
   Fail: (195) [system] ')'==u
   Call: (195) [system] get_char((0x563acd73bee0), u)
   Exit: (195) [system] get_char((0x563acd73bee0), u)
   Call: (195) [system] u=(\)
   Fail: (195) [system] u=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _1791792)
   Call: (196) [system] peek_char((0x563acd73bee0), _1792726)
   Exit: (196) [system] peek_char((0x563acd73bee0), a)
^  Call: (196) [user] is_delimiter(a)
   Call: (197) [system] char_type(a, space)
   Fail: (197) [system] char_type(a, space)
   Call: (197) [system] arg(_1797446, v('(', ')', end_of_file), a)
   Fail: (197) [system] arg(_1798378, v('(', ')', end_of_file), a)
^  Fail: (196) [user] is_delimiter(a)
   Call: (196) [system] ')'==a
   Fail: (196) [system] ')'==a
   Call: (196) [system] get_char((0x563acd73bee0), a)
   Exit: (196) [system] get_char((0x563acd73bee0), a)
   Call: (196) [system] a=(\)
   Fail: (196) [system] a=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _1805728)
   Call: (197) [system] peek_char((0x563acd73bee0), _1806662)
   Exit: (197) [system] peek_char((0x563acd73bee0), l)
^  Call: (197) [user] is_delimiter(l)
   Call: (198) [system] char_type(l, space)
   Fail: (198) [system] char_type(l, space)
   Call: (198) [system] arg(_1811382, v('(', ')', end_of_file), l)
   Fail: (198) [system] arg(_1812314, v('(', ')', end_of_file), l)
^  Fail: (197) [user] is_delimiter(l)
   Call: (197) [system] ')'==l
   Fail: (197) [system] ')'==l
   Call: (197) [system] get_char((0x563acd73bee0), l)
   Exit: (197) [system] get_char((0x563acd73bee0), l)
   Call: (197) [system] l=(\)
   Fail: (197) [system] l=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _1819664)
   Call: (198) [system] peek_char((0x563acd73bee0), _1820598)
   Exit: (198) [system] peek_char((0x563acd73bee0), 'T')
^  Call: (198) [user] is_delimiter('T')
   Call: (199) [system] char_type('T', space)
   Fail: (199) [system] char_type('T', space)
   Call: (199) [system] arg(_1825318, v('(', ')', end_of_file), 'T')
   Fail: (199) [system] arg(_1826250, v('(', ')', end_of_file), 'T')
^  Fail: (198) [user] is_delimiter('T')
   Call: (198) [system] ')'=='T'
   Fail: (198) [system] ')'=='T'
   Call: (198) [system] get_char((0x563acd73bee0), 'T')
   Exit: (198) [system] get_char((0x563acd73bee0), 'T')
   Call: (198) [system] 'T'=(\)
   Fail: (198) [system] 'T'=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _1833600)
   Call: (199) [system] peek_char((0x563acd73bee0), _1834534)
   Exit: (199) [system] peek_char((0x563acd73bee0), o)
^  Call: (199) [user] is_delimiter(o)
   Call: (200) [system] char_type(o, space)
   Fail: (200) [system] char_type(o, space)
   Call: (200) [system] arg(_1839254, v('(', ')', end_of_file), o)
   Fail: (200) [system] arg(_1840186, v('(', ')', end_of_file), o)
^  Fail: (199) [user] is_delimiter(o)
   Call: (199) [system] ')'==o
   Fail: (199) [system] ')'==o
   Call: (199) [system] get_char((0x563acd73bee0), o)
   Exit: (199) [system] get_char((0x563acd73bee0), o)
   Call: (199) [system] o=(\)
   Fail: (199) [system] o=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _1847536)
   Call: (200) [system] peek_char((0x563acd73bee0), _1848470)
   Exit: (200) [system] peek_char((0x563acd73bee0), 'R')
^  Call: (200) [user] is_delimiter('R')
   Call: (201) [system] char_type('R', space)
   Fail: (201) [system] char_type('R', space)
   Call: (201) [system] arg(_1853190, v('(', ')', end_of_file), 'R')
   Fail: (201) [system] arg(_1854122, v('(', ')', end_of_file), 'R')
^  Fail: (200) [user] is_delimiter('R')
   Call: (200) [system] ')'=='R'
   Fail: (200) [system] ')'=='R'
   Call: (200) [system] get_char((0x563acd73bee0), 'R')
   Exit: (200) [system] get_char((0x563acd73bee0), 'R')
   Call: (200) [system] 'R'=(\)
   Fail: (200) [system] 'R'=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _1861472)
   Call: (201) [system] peek_char((0x563acd73bee0), _1862406)
   Exit: (201) [system] peek_char((0x563acd73bee0), e)
^  Call: (201) [user] is_delimiter(e)
   Call: (202) [system] char_type(e, space)
   Fail: (202) [system] char_type(e, space)
   Call: (202) [system] arg(_1867126, v('(', ')', end_of_file), e)
   Fail: (202) [system] arg(_1868058, v('(', ')', end_of_file), e)
^  Fail: (201) [user] is_delimiter(e)
   Call: (201) [system] ')'==e
   Fail: (201) [system] ')'==e
   Call: (201) [system] get_char((0x563acd73bee0), e)
   Exit: (201) [system] get_char((0x563acd73bee0), e)
   Call: (201) [system] e=(\)
   Fail: (201) [system] e=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _1875408)
   Call: (202) [system] peek_char((0x563acd73bee0), _1876342)
   Exit: (202) [system] peek_char((0x563acd73bee0), s)
^  Call: (202) [user] is_delimiter(s)
   Call: (203) [system] char_type(s, space)
   Fail: (203) [system] char_type(s, space)
   Call: (203) [system] arg(_1881062, v('(', ')', end_of_file), s)
   Fail: (203) [system] arg(_1881994, v('(', ')', end_of_file), s)
^  Fail: (202) [user] is_delimiter(s)
   Call: (202) [system] ')'==s
   Fail: (202) [system] ')'==s
   Call: (202) [system] get_char((0x563acd73bee0), s)
   Exit: (202) [system] get_char((0x563acd73bee0), s)
   Call: (202) [system] s=(\)
   Fail: (202) [system] s=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1889344)
   Call: (203) [system] peek_char((0x563acd73bee0), _1890278)
   Exit: (203) [system] peek_char((0x563acd73bee0), u)
^  Call: (203) [user] is_delimiter(u)
   Call: (204) [system] char_type(u, space)
   Fail: (204) [system] char_type(u, space)
   Call: (204) [system] arg(_1894998, v('(', ')', end_of_file), u)
   Fail: (204) [system] arg(_1895930, v('(', ')', end_of_file), u)
^  Fail: (203) [user] is_delimiter(u)
   Call: (203) [system] ')'==u
   Fail: (203) [system] ')'==u
   Call: (203) [system] get_char((0x563acd73bee0), u)
   Exit: (203) [system] get_char((0x563acd73bee0), u)
   Call: (203) [system] u=(\)
   Fail: (203) [system] u=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1903280)
   Call: (204) [system] peek_char((0x563acd73bee0), _1904214)
   Exit: (204) [system] peek_char((0x563acd73bee0), l)
^  Call: (204) [user] is_delimiter(l)
   Call: (205) [system] char_type(l, space)
   Fail: (205) [system] char_type(l, space)
   Call: (205) [system] arg(_1908934, v('(', ')', end_of_file), l)
   Fail: (205) [system] arg(_1909866, v('(', ')', end_of_file), l)
^  Fail: (204) [user] is_delimiter(l)
   Call: (204) [system] ')'==l
   Fail: (204) [system] ')'==l
   Call: (204) [system] get_char((0x563acd73bee0), l)
   Exit: (204) [system] get_char((0x563acd73bee0), l)
   Call: (204) [system] l=(\)
   Fail: (204) [system] l=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1917216)
   Call: (205) [system] peek_char((0x563acd73bee0), _1918150)
   Exit: (205) [system] peek_char((0x563acd73bee0), t)
^  Call: (205) [user] is_delimiter(t)
   Call: (206) [system] char_type(t, space)
   Fail: (206) [system] char_type(t, space)
   Call: (206) [system] arg(_1922870, v('(', ')', end_of_file), t)
   Fail: (206) [system] arg(_1923802, v('(', ')', end_of_file), t)
^  Fail: (205) [user] is_delimiter(t)
   Call: (205) [system] ')'==t
   Fail: (205) [system] ')'==t
   Call: (205) [system] get_char((0x563acd73bee0), t)
   Exit: (205) [system] get_char((0x563acd73bee0), t)
   Call: (205) [system] t=(\)
   Fail: (205) [system] t=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1931152)
   Call: (206) [system] peek_char((0x563acd73bee0), _1932086)
   Exit: (206) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _1931152=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (205) [system] _1917216=[t]
   Exit: (205) [system] [t]=[t]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [t])
   Call: (204) [system] _1903280=[l, t]
   Exit: (204) [system] [l, t]=[l, t]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, t])
   Call: (203) [system] _1889344=[u, l, t]
   Exit: (203) [system] [u, l, t]=[u, l, t]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, l, t])
   Call: (202) [system] _1875408=[s, u, l, t]
   Exit: (202) [system] [s, u, l, t]=[s, u, l, t]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, u, l, t])
   Call: (201) [system] _1861472=[e, s, u, l, t]
   Exit: (201) [system] [e, s, u, l, t]=[e, s, u, l, t]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, s, u, l, t])
   Call: (200) [system] _1847536=['R', e, s, u, l, t]
   Exit: (200) [system] ['R', e, s, u, l, t]=['R', e, s, u, l, t]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), ['R', e, s, u, l, t])
   Call: (199) [system] _1833600=[o, 'R', e, s, u, l, t]
   Exit: (199) [system] [o, 'R', e, s, u, l, t]=[o, 'R', e, s, u, l, t]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, 'R', e, s, u, l, t])
   Call: (198) [system] _1819664=['T', o, 'R', e, s, u, l, t]
   Exit: (198) [system] ['T', o, 'R', e, s, u, l, t]=['T', o, 'R', e, s, u, l, t]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), ['T', o, 'R', e, s, u, l, t])
   Call: (197) [system] _1805728=[l, 'T', o, 'R', e, s, u, l, t]
   Exit: (197) [system] [l, 'T', o, 'R', e, s, u, l, t]=[l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, 'T', o, 'R', e, s, u, l, t])
   Call: (196) [system] _1791792=[a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (196) [system] [a, l, 'T', o, 'R', e, s, u, l, t]=[a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (195) [system] _1777856=[u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (195) [system] [u, a, l, 'T', o, 'R', e, s, u, l, t]=[u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (194) [system] _1763920=[q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (194) [system] [q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (193) [system] _1749984=['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (193) [system] ['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), ['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (192) [system] _1736048=[t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (192) [system] [t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (191) [system] _1722112=[r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (191) [system] [r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (190) [system] _1708176=[e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (190) [system] [e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (189) [system] _1694240=[s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (189) [system] [s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (188) [system] _1680304=[s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (188) [system] [s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (187) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
^  Call: (187) [user] classify_and_convert_charseq([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], _1644794)
^  Call: (188) [user] classify_and_convert_charseq_([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], _1991662)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_1992614, _1992616), once(user:catch(read_from_chars([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], _1991662), _1992596, fail)), '$restore_trace'(_1992614, _1992616))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_1992614, _1992616))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], assertEqualToResult), _1992596, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(assertEqualToResult)
   Exit: (189) [system] atomic(assertEqualToResult)
^  Exit: (188) [user] classify_and_convert_charseq_([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], assertEqualToResult)
   Call: (188) [system] integer(assertEqualToResult)
   Fail: (188) [system] integer(assertEqualToResult)
   Call: (188) [system] _1644794=assertEqualToResult
   Exit: (188) [system] assertEqualToResult=assertEqualToResult
^  Exit: (187) [user] classify_and_convert_charseq([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], assertEqualToResult)
^  Exit: (186) [user] read_symbolic(')', (0x563acd73bee0), a, assertEqualToResult)
^  Exit: (185) [user] cont_sexpr(')', (0x563acd73bee0), assertEqualToResult)
^  Call: (185) [user] read_list(')', (0x563acd73bee0), _2004742)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _2006600)
   Exit: (187) [system] peek_char((0x563acd73bee0), ' ')
   Call: (187) [system] ' '=(;)
   Fail: (187) [system] ' '=(;)
   Call: (187) [system] ' '=(/)
   Fail: (187) [system] ' '=(/)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x563acd73bee0), _2016194)
   Exit: (187) [system] get_char((0x563acd73bee0), ' ')
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _2018898)
   Exit: (188) [system] peek_char((0x563acd73bee0), '\n')
   Call: (188) [system] '\n'=(;)
   Fail: (188) [system] '\n'=(;)
   Call: (188) [system] '\n'=(/)
   Fail: (188) [system] '\n'=(/)
^  Call: (188) [user] is_like_space('\n')
   Call: (189) [system] char_type('\n', 'white')
   Fail: (189) [system] char_type('\n', 'white')
   Call: (189) [system] char_type('\n', end_of_line)
   Exit: (189) [system] char_type('\n', end_of_line)
^  Exit: (188) [user] is_like_space('\n')
   Call: (188) [system] get_char((0x563acd73bee0), _2030348)
   Exit: (188) [system] get_char((0x563acd73bee0), '\n')
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _2033052)
   Exit: (189) [system] peek_char((0x563acd73bee0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x563acd73bee0), _2042646)
   Exit: (189) [system] get_char((0x563acd73bee0), ' ')
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _2045350)
   Exit: (190) [system] peek_char((0x563acd73bee0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x563acd73bee0), _2054944)
   Exit: (190) [system] get_char((0x563acd73bee0), ' ')
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _2057648)
   Exit: (191) [system] peek_char((0x563acd73bee0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _2077354)
   Exit: (186) [system] peek_char((0x563acd73bee0), '(')
   Call: (186) [system] '('=')'
   Fail: (186) [system] '('=')'
   Call: (186) [system] '('=end_of_file
   Fail: (186) [system] '('=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x563acd73bee0), _2082924)
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _2084782)
   Exit: (188) [system] peek_char((0x563acd73bee0), '(')
   Call: (188) [system] '('=(;)
   Fail: (188) [system] '('=(;)
   Call: (188) [system] '('=(/)
   Fail: (188) [system] '('=(/)
^  Call: (188) [user] is_like_space('(')
   Call: (189) [system] char_type('(', 'white')
   Fail: (189) [system] char_type('(', 'white')
   Call: (189) [system] char_type('(', end_of_line)
   Fail: (189) [system] char_type('(', end_of_line)
   Call: (189) [system] char_type('(', space)
   Fail: (189) [system] char_type('(', space)
   Call: (189) [system] char_type('(', cntrl)
   Fail: (189) [system] char_type('(', cntrl)
^  Fail: (188) [user] is_like_space('(')
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] get_char((0x563acd73bee0), _7432)
   Exit: (187) [system] get_char((0x563acd73bee0), '(')
   Call: (187) [system] '('='('
   Exit: (187) [system] '('='('
^  Call: (187) [user] read_list(')', (0x563acd73bee0), _3372)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _13002)
   Exit: (189) [system] peek_char((0x563acd73bee0), s)
   Call: (189) [system] s=(;)
   Fail: (189) [system] s=(;)
   Call: (189) [system] s=(/)
   Fail: (189) [system] s=(/)
^  Call: (189) [user] is_like_space(s)
   Call: (190) [system] char_type(s, 'white')
   Fail: (190) [system] char_type(s, 'white')
   Call: (190) [system] char_type(s, end_of_line)
   Fail: (190) [system] char_type(s, end_of_line)
   Call: (190) [system] char_type(s, space)
   Fail: (190) [system] char_type(s, space)
   Call: (190) [system] char_type(s, cntrl)
   Fail: (190) [system] char_type(s, cntrl)
^  Fail: (189) [user] is_like_space(s)
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _29012)
   Exit: (188) [system] peek_char((0x563acd73bee0), s)
   Call: (188) [system] s=')'
   Fail: (188) [system] s=')'
   Call: (188) [system] s=end_of_file
   Fail: (188) [system] s=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x563acd73bee0), _34582)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _36440)
   Exit: (190) [system] peek_char((0x563acd73bee0), s)
   Call: (190) [system] s=(;)
   Fail: (190) [system] s=(;)
   Call: (190) [system] s=(/)
   Fail: (190) [system] s=(/)
^  Call: (190) [user] is_like_space(s)
   Call: (191) [system] char_type(s, 'white')
   Fail: (191) [system] char_type(s, 'white')
   Call: (191) [system] char_type(s, end_of_line)
   Fail: (191) [system] char_type(s, end_of_line)
   Call: (191) [system] char_type(s, space)
   Fail: (191) [system] char_type(s, space)
   Call: (191) [system] char_type(s, cntrl)
   Fail: (191) [system] char_type(s, cntrl)
^  Fail: (190) [user] is_like_space(s)
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] get_char((0x563acd73bee0), _52450)
   Exit: (189) [system] get_char((0x563acd73bee0), s)
   Call: (189) [system] s='('
   Fail: (189) [system] s='('
   Call: (189) [system] s='['
   Fail: (189) [system] s='['
   Call: (189) [system] s='{'
   Fail: (189) [system] s='{'
   Call: (189) [system] s='"'
   Fail: (189) [system] s='"'
   Call: (189) [system] s=!
   Fail: (189) [system] s=!
   Call: (189) [system] s='\''
   Fail: (189) [system] s='\''
   Call: (189) [system] s='`'
   Fail: (189) [system] s='`'
   Call: (189) [system] s=end_of_file
   Fail: (189) [system] s=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x563acd73bee0), s, _34582)
^  Call: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), _70092)
   Call: (191) [system] peek_char((0x563acd73bee0), _71026)
   Exit: (191) [system] peek_char((0x563acd73bee0), y)
^  Call: (191) [user] is_delimiter(y)
   Call: (192) [system] char_type(y, space)
   Fail: (192) [system] char_type(y, space)
   Call: (192) [system] arg(_75746, v('(', ')', end_of_file), y)
   Fail: (192) [system] arg(_76678, v('(', ')', end_of_file), y)
^  Fail: (191) [user] is_delimiter(y)
   Call: (191) [system] ')'==y
   Fail: (191) [system] ')'==y
   Call: (191) [system] get_char((0x563acd73bee0), y)
   Exit: (191) [system] get_char((0x563acd73bee0), y)
   Call: (191) [system] y=(\)
   Fail: (191) [system] y=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), _84028)
   Call: (192) [system] peek_char((0x563acd73bee0), _84962)
   Exit: (192) [system] peek_char((0x563acd73bee0), n)
^  Call: (192) [user] is_delimiter(n)
   Call: (193) [system] char_type(n, space)
   Fail: (193) [system] char_type(n, space)
   Call: (193) [system] arg(_89682, v('(', ')', end_of_file), n)
   Fail: (193) [system] arg(_90614, v('(', ')', end_of_file), n)
^  Fail: (192) [user] is_delimiter(n)
   Call: (192) [system] ')'==n
   Fail: (192) [system] ')'==n
   Call: (192) [system] get_char((0x563acd73bee0), n)
   Exit: (192) [system] get_char((0x563acd73bee0), n)
   Call: (192) [system] n=(\)
   Fail: (192) [system] n=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), _97964)
   Call: (193) [system] peek_char((0x563acd73bee0), _98898)
   Exit: (193) [system] peek_char((0x563acd73bee0), t)
^  Call: (193) [user] is_delimiter(t)
   Call: (194) [system] char_type(t, space)
   Fail: (194) [system] char_type(t, space)
   Call: (194) [system] arg(_103618, v('(', ')', end_of_file), t)
   Fail: (194) [system] arg(_104550, v('(', ')', end_of_file), t)
^  Fail: (193) [user] is_delimiter(t)
   Call: (193) [system] ')'==t
   Fail: (193) [system] ')'==t
   Call: (193) [system] get_char((0x563acd73bee0), t)
   Exit: (193) [system] get_char((0x563acd73bee0), t)
   Call: (193) [system] t=(\)
   Fail: (193) [system] t=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _111900)
   Call: (194) [system] peek_char((0x563acd73bee0), _112834)
   Exit: (194) [system] peek_char((0x563acd73bee0), h)
^  Call: (194) [user] is_delimiter(h)
   Call: (195) [system] char_type(h, space)
   Fail: (195) [system] char_type(h, space)
   Call: (195) [system] arg(_117554, v('(', ')', end_of_file), h)
   Fail: (195) [system] arg(_118486, v('(', ')', end_of_file), h)
^  Fail: (194) [user] is_delimiter(h)
   Call: (194) [system] ')'==h
   Fail: (194) [system] ')'==h
   Call: (194) [system] get_char((0x563acd73bee0), h)
   Exit: (194) [system] get_char((0x563acd73bee0), h)
   Call: (194) [system] h=(\)
   Fail: (194) [system] h=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _125836)
   Call: (195) [system] peek_char((0x563acd73bee0), _126770)
   Exit: (195) [system] peek_char((0x563acd73bee0), e)
^  Call: (195) [user] is_delimiter(e)
   Call: (196) [system] char_type(e, space)
   Fail: (196) [system] char_type(e, space)
   Call: (196) [system] arg(_131490, v('(', ')', end_of_file), e)
   Fail: (196) [system] arg(_132422, v('(', ')', end_of_file), e)
^  Fail: (195) [user] is_delimiter(e)
   Call: (195) [system] ')'==e
   Fail: (195) [system] ')'==e
   Call: (195) [system] get_char((0x563acd73bee0), e)
   Exit: (195) [system] get_char((0x563acd73bee0), e)
   Call: (195) [system] e=(\)
   Fail: (195) [system] e=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _139772)
   Call: (196) [system] peek_char((0x563acd73bee0), _140706)
   Exit: (196) [system] peek_char((0x563acd73bee0), s)
^  Call: (196) [user] is_delimiter(s)
   Call: (197) [system] char_type(s, space)
   Fail: (197) [system] char_type(s, space)
   Call: (197) [system] arg(_145426, v('(', ')', end_of_file), s)
   Fail: (197) [system] arg(_146358, v('(', ')', end_of_file), s)
^  Fail: (196) [user] is_delimiter(s)
   Call: (196) [system] ')'==s
   Fail: (196) [system] ')'==s
   Call: (196) [system] get_char((0x563acd73bee0), s)
   Exit: (196) [system] get_char((0x563acd73bee0), s)
   Call: (196) [system] s=(\)
   Fail: (196) [system] s=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _153708)
   Call: (197) [system] peek_char((0x563acd73bee0), _154642)
   Exit: (197) [system] peek_char((0x563acd73bee0), i)
^  Call: (197) [user] is_delimiter(i)
   Call: (198) [system] char_type(i, space)
   Fail: (198) [system] char_type(i, space)
   Call: (198) [system] arg(_159362, v('(', ')', end_of_file), i)
   Fail: (198) [system] arg(_160294, v('(', ')', end_of_file), i)
^  Fail: (197) [user] is_delimiter(i)
   Call: (197) [system] ')'==i
   Fail: (197) [system] ')'==i
   Call: (197) [system] get_char((0x563acd73bee0), i)
   Exit: (197) [system] get_char((0x563acd73bee0), i)
   Call: (197) [system] i=(\)
   Fail: (197) [system] i=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _167644)
   Call: (198) [system] peek_char((0x563acd73bee0), _168578)
   Exit: (198) [system] peek_char((0x563acd73bee0), z)
^  Call: (198) [user] is_delimiter(z)
   Call: (199) [system] char_type(z, space)
   Fail: (199) [system] char_type(z, space)
   Call: (199) [system] arg(_173298, v('(', ')', end_of_file), z)
   Fail: (199) [system] arg(_174230, v('(', ')', end_of_file), z)
^  Fail: (198) [user] is_delimiter(z)
   Call: (198) [system] ')'==z
   Fail: (198) [system] ')'==z
   Call: (198) [system] get_char((0x563acd73bee0), z)
   Exit: (198) [system] get_char((0x563acd73bee0), z)
   Call: (198) [system] z=(\)
   Fail: (198) [system] z=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _181580)
   Call: (199) [system] peek_char((0x563acd73bee0), _182514)
   Exit: (199) [system] peek_char((0x563acd73bee0), e)
^  Call: (199) [user] is_delimiter(e)
   Call: (200) [system] char_type(e, space)
   Fail: (200) [system] char_type(e, space)
   Call: (200) [system] arg(_187234, v('(', ')', end_of_file), e)
   Fail: (200) [system] arg(_188166, v('(', ')', end_of_file), e)
^  Fail: (199) [user] is_delimiter(e)
   Call: (199) [system] ')'==e
   Fail: (199) [system] ')'==e
   Call: (199) [system] get_char((0x563acd73bee0), e)
   Exit: (199) [system] get_char((0x563acd73bee0), e)
   Call: (199) [system] e=(\)
   Fail: (199) [system] e=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _195516)
   Call: (200) [system] peek_char((0x563acd73bee0), _196450)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _195516=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (199) [system] _181580=[e]
   Exit: (199) [system] [e]=[e]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [e])
   Call: (198) [system] _167644=[z, e]
   Exit: (198) [system] [z, e]=[z, e]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [z, e])
   Call: (197) [system] _153708=[i, z, e]
   Exit: (197) [system] [i, z, e]=[i, z, e]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, z, e])
   Call: (196) [system] _139772=[s, i, z, e]
   Exit: (196) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, i, z, e])
   Call: (195) [system] _125836=[e, s, i, z, e]
   Exit: (195) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, s, i, z, e])
   Call: (194) [system] _111900=[h, e, s, i, z, e]
   Exit: (194) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [h, e, s, i, z, e])
   Call: (193) [system] _97964=[t, h, e, s, i, z, e]
   Exit: (193) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, h, e, s, i, z, e])
   Call: (192) [system] _84028=[n, t, h, e, s, i, z, e]
   Exit: (192) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, h, e, s, i, z, e])
   Call: (191) [system] _70092=[y, n, t, h, e, s, i, z, e]
   Exit: (191) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), [y, n, t, h, e, s, i, z, e])
^  Call: (190) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _34582)
^  Call: (191) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _230880)
^  Call: (193) [system] setup_call_cleanup('$notrace'(_231832, _231834), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _230880), _231814, fail)), '$restore_trace'(_231832, _231834))
^  Call: (194) [system] sig_atomic(system:'$notrace'(_231832, _231834))
^  Exit: (193) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _231814, fail)), system:'$restore_trace'(3, -1))
   Call: (192) [system] atomic(synthesize)
   Exit: (192) [system] atomic(synthesize)
^  Exit: (191) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (191) [system] integer(synthesize)
   Fail: (191) [system] integer(synthesize)
   Call: (191) [system] _34582=synthesize
   Exit: (191) [system] synthesize=synthesize
^  Exit: (190) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (189) [user] read_symbolic(')', (0x563acd73bee0), s, synthesize)
^  Exit: (188) [user] cont_sexpr(')', (0x563acd73bee0), synthesize)
^  Call: (188) [user] read_list(')', (0x563acd73bee0), _243960)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _245818)
   Exit: (190) [system] peek_char((0x563acd73bee0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x563acd73bee0), _255412)
   Exit: (190) [system] get_char((0x563acd73bee0), ' ')
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _258116)
   Exit: (191) [system] peek_char((0x563acd73bee0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _275050)
   Exit: (189) [system] peek_char((0x563acd73bee0), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x563acd73bee0), _280620)
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _282478)
   Exit: (191) [system] peek_char((0x563acd73bee0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] get_char((0x563acd73bee0), _298488)
   Exit: (190) [system] get_char((0x563acd73bee0), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x563acd73bee0), _280620)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _304058)
   Exit: (192) [system] peek_char((0x563acd73bee0), :)
   Call: (192) [system] (:)=(;)
   Fail: (192) [system] (:)=(;)
   Call: (192) [system] (:)=(/)
   Fail: (192) [system] (:)=(/)
^  Call: (192) [user] is_like_space(:)
   Call: (193) [system] char_type(:, 'white')
   Fail: (193) [system] char_type(:, 'white')
   Call: (193) [system] char_type(:, end_of_line)
   Fail: (193) [system] char_type(:, end_of_line)
   Call: (193) [system] char_type(:, space)
   Fail: (193) [system] char_type(:, space)
   Call: (193) [system] char_type(:, cntrl)
   Fail: (193) [system] char_type(:, cntrl)
^  Fail: (192) [user] is_like_space(:)
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _320068)
   Exit: (191) [system] peek_char((0x563acd73bee0), :)
   Call: (191) [system] (:)=')'
   Fail: (191) [system] (:)=')'
   Call: (191) [system] (:)=end_of_file
   Fail: (191) [system] (:)=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x563acd73bee0), _325638)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _327496)
   Exit: (193) [system] peek_char((0x563acd73bee0), :)
   Call: (193) [system] (:)=(;)
   Fail: (193) [system] (:)=(;)
   Call: (193) [system] (:)=(/)
   Fail: (193) [system] (:)=(/)
^  Call: (193) [user] is_like_space(:)
   Call: (194) [system] char_type(:, 'white')
   Fail: (194) [system] char_type(:, 'white')
   Call: (194) [system] char_type(:, end_of_line)
   Fail: (194) [system] char_type(:, end_of_line)
   Call: (194) [system] char_type(:, space)
   Fail: (194) [system] char_type(:, space)
   Call: (194) [system] char_type(:, cntrl)
   Fail: (194) [system] char_type(:, cntrl)
^  Fail: (193) [user] is_like_space(:)
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] get_char((0x563acd73bee0), _343506)
   Exit: (192) [system] get_char((0x563acd73bee0), :)
   Call: (192) [system] (:)='('
   Fail: (192) [system] (:)='('
   Call: (192) [system] (:)='['
   Fail: (192) [system] (:)='['
   Call: (192) [system] (:)='{'
   Fail: (192) [system] (:)='{'
   Call: (192) [system] (:)='"'
   Fail: (192) [system] (:)='"'
   Call: (192) [system] (:)=!
   Fail: (192) [system] (:)=!
   Call: (192) [system] (:)='\''
   Fail: (192) [system] (:)='\''
   Call: (192) [system] (:)='`'
   Fail: (192) [system] (:)='`'
   Call: (192) [system] (:)=end_of_file
   Fail: (192) [system] (:)=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x563acd73bee0), :, _325638)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _361148)
   Call: (194) [system] peek_char((0x563acd73bee0), _362082)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _361148=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (193) [user] classify_and_convert_charseq([:], _325638)
^  Call: (194) [user] classify_and_convert_charseq_([:], _371366)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_372318, _372320), once(user:catch(read_from_chars([:], _371366), _372300, fail)), '$restore_trace'(_372318, _372320))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_372318, _372320))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _372300, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(:)
   Exit: (195) [system] atomic(:)
^  Exit: (194) [user] classify_and_convert_charseq_([:], :)
   Call: (194) [system] integer(:)
   Fail: (194) [system] integer(:)
   Call: (194) [system] _325638=(:)
   Exit: (194) [system] (:)=(:)
^  Exit: (193) [user] classify_and_convert_charseq([:], :)
^  Exit: (192) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (191) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (191) [user] read_list(')', (0x563acd73bee0), _384446)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _386304)
   Exit: (193) [system] peek_char((0x563acd73bee0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x563acd73bee0), _395898)
   Exit: (193) [system] get_char((0x563acd73bee0), ' ')
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _398602)
   Exit: (194) [system] peek_char((0x563acd73bee0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _415536)
   Exit: (192) [system] peek_char((0x563acd73bee0), $)
   Call: (192) [system] ($)=')'
   Fail: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x563acd73bee0), _421106)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _422964)
   Exit: (194) [system] peek_char((0x563acd73bee0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] get_char((0x563acd73bee0), _438974)
   Exit: (193) [system] get_char((0x563acd73bee0), $)
   Call: (193) [system] ($)='('
   Fail: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Fail: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Fail: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Fail: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Fail: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Fail: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Fail: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x563acd73bee0), $, _421106)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _456616)
   Call: (195) [system] peek_char((0x563acd73bee0), _457550)
   Exit: (195) [system] peek_char((0x563acd73bee0), t)
^  Call: (195) [user] is_delimiter(t)
   Call: (196) [system] char_type(t, space)
   Fail: (196) [system] char_type(t, space)
   Call: (196) [system] arg(_462270, v('(', ')', end_of_file), t)
   Fail: (196) [system] arg(_463202, v('(', ')', end_of_file), t)
^  Fail: (195) [user] is_delimiter(t)
   Call: (195) [system] ')'==t
   Fail: (195) [system] ')'==t
   Call: (195) [system] get_char((0x563acd73bee0), t)
   Exit: (195) [system] get_char((0x563acd73bee0), t)
   Call: (195) [system] t=(\)
   Fail: (195) [system] t=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _470552)
   Call: (196) [system] peek_char((0x563acd73bee0), _471486)
   Exit: (196) [system] peek_char((0x563acd73bee0), e)
^  Call: (196) [user] is_delimiter(e)
   Call: (197) [system] char_type(e, space)
   Fail: (197) [system] char_type(e, space)
   Call: (197) [system] arg(_476206, v('(', ')', end_of_file), e)
   Fail: (197) [system] arg(_477138, v('(', ')', end_of_file), e)
^  Fail: (196) [user] is_delimiter(e)
   Call: (196) [system] ')'==e
   Fail: (196) [system] ')'==e
   Call: (196) [system] get_char((0x563acd73bee0), e)
   Exit: (196) [system] get_char((0x563acd73bee0), e)
   Call: (196) [system] e=(\)
   Fail: (196) [system] e=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _484488)
   Call: (197) [system] peek_char((0x563acd73bee0), _485422)
   Exit: (197) [system] peek_char((0x563acd73bee0), r)
^  Call: (197) [user] is_delimiter(r)
   Call: (198) [system] char_type(r, space)
   Fail: (198) [system] char_type(r, space)
   Call: (198) [system] arg(_490142, v('(', ')', end_of_file), r)
   Fail: (198) [system] arg(_491074, v('(', ')', end_of_file), r)
^  Fail: (197) [user] is_delimiter(r)
   Call: (197) [system] ')'==r
   Fail: (197) [system] ')'==r
   Call: (197) [system] get_char((0x563acd73bee0), r)
   Exit: (197) [system] get_char((0x563acd73bee0), r)
   Call: (197) [system] r=(\)
   Fail: (197) [system] r=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _498424)
   Call: (198) [system] peek_char((0x563acd73bee0), _499358)
   Exit: (198) [system] peek_char((0x563acd73bee0), m)
^  Call: (198) [user] is_delimiter(m)
   Call: (199) [system] char_type(m, space)
   Fail: (199) [system] char_type(m, space)
   Call: (199) [system] arg(_504078, v('(', ')', end_of_file), m)
   Fail: (199) [system] arg(_505010, v('(', ')', end_of_file), m)
^  Fail: (198) [user] is_delimiter(m)
   Call: (198) [system] ')'==m
   Fail: (198) [system] ')'==m
   Call: (198) [system] get_char((0x563acd73bee0), m)
   Exit: (198) [system] get_char((0x563acd73bee0), m)
   Call: (198) [system] m=(\)
   Fail: (198) [system] m=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _512360)
   Call: (199) [system] peek_char((0x563acd73bee0), _513294)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (199) [user] is_delimiter(' ')
   Call: (200) [system] char_type(' ', space)
   Exit: (200) [system] char_type(' ', space)
^  Exit: (199) [user] is_delimiter(' ')
   Call: (199) [system] _512360=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (198) [system] _498424=[m]
   Exit: (198) [system] [m]=[m]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [m])
   Call: (197) [system] _484488=[r, m]
   Exit: (197) [system] [r, m]=[r, m]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, m])
   Call: (196) [system] _470552=[e, r, m]
   Exit: (196) [system] [e, r, m]=[e, r, m]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, r, m])
   Call: (195) [system] _456616=[t, e, r, m]
   Exit: (195) [system] [t, e, r, m]=[t, e, r, m]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, e, r, m])
^  Call: (194) [user] classify_and_convert_charseq([$, t, e, r, m], _421106)
^  Call: (195) [user] classify_and_convert_charseq_([$, t, e, r, m], _533754)
   Call: (196) [system] atom_chars(_534686, ['_', t, e, r, m])
   Exit: (196) [system] atom_chars('_term', ['_', t, e, r, m])
^  Exit: (195) [user] classify_and_convert_charseq_([$, t, e, r, m], _term)
   Call: (195) [system] integer(_term)
   Fail: (195) [system] integer(_term)
   Call: (195) [system] _421106=_term
   Exit: (195) [system] _term=_term
^  Exit: (194) [user] classify_and_convert_charseq([$, t, e, r, m], _term)
^  Exit: (193) [user] read_symbolic(')', (0x563acd73bee0), $, _term)
^  Exit: (192) [user] cont_sexpr(')', (0x563acd73bee0), _term)
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _543978)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _545836)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x563acd73bee0), _555430)
   Exit: (194) [system] get_char((0x563acd73bee0), ' ')
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _558134)
   Exit: (195) [system] peek_char((0x563acd73bee0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _575068)
   Exit: (193) [system] peek_char((0x563acd73bee0), $)
   Call: (193) [system] ($)=')'
   Fail: (193) [system] ($)=')'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x563acd73bee0), _580638)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _582496)
   Exit: (195) [system] peek_char((0x563acd73bee0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] get_char((0x563acd73bee0), _598506)
   Exit: (194) [system] get_char((0x563acd73bee0), $)
   Call: (194) [system] ($)='('
   Fail: (194) [system] ($)='('
   Call: (194) [system] ($)='['
   Fail: (194) [system] ($)='['
   Call: (194) [system] ($)='{'
   Fail: (194) [system] ($)='{'
   Call: (194) [system] ($)='"'
   Fail: (194) [system] ($)='"'
   Call: (194) [system] ($)=!
   Fail: (194) [system] ($)=!
   Call: (194) [system] ($)='\''
   Fail: (194) [system] ($)='\''
   Call: (194) [system] ($)='`'
   Fail: (194) [system] ($)='`'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x563acd73bee0), $, _580638)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _616148)
   Call: (196) [system] peek_char((0x563acd73bee0), _617082)
   Exit: (196) [system] peek_char((0x563acd73bee0), t)
^  Call: (196) [user] is_delimiter(t)
   Call: (197) [system] char_type(t, space)
   Fail: (197) [system] char_type(t, space)
   Call: (197) [system] arg(_621802, v('(', ')', end_of_file), t)
   Fail: (197) [system] arg(_622734, v('(', ')', end_of_file), t)
^  Fail: (196) [user] is_delimiter(t)
   Call: (196) [system] ')'==t
   Fail: (196) [system] ')'==t
   Call: (196) [system] get_char((0x563acd73bee0), t)
   Exit: (196) [system] get_char((0x563acd73bee0), t)
   Call: (196) [system] t=(\)
   Fail: (196) [system] t=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _630084)
   Call: (197) [system] peek_char((0x563acd73bee0), _631018)
   Exit: (197) [system] peek_char((0x563acd73bee0), y)
^  Call: (197) [user] is_delimiter(y)
   Call: (198) [system] char_type(y, space)
   Fail: (198) [system] char_type(y, space)
   Call: (198) [system] arg(_635738, v('(', ')', end_of_file), y)
   Fail: (198) [system] arg(_636670, v('(', ')', end_of_file), y)
^  Fail: (197) [user] is_delimiter(y)
   Call: (197) [system] ')'==y
   Fail: (197) [system] ')'==y
   Call: (197) [system] get_char((0x563acd73bee0), y)
   Exit: (197) [system] get_char((0x563acd73bee0), y)
   Call: (197) [system] y=(\)
   Fail: (197) [system] y=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _644020)
   Call: (198) [system] peek_char((0x563acd73bee0), _644954)
   Exit: (198) [system] peek_char((0x563acd73bee0), p)
^  Call: (198) [user] is_delimiter(p)
   Call: (199) [system] char_type(p, space)
   Fail: (199) [system] char_type(p, space)
   Call: (199) [system] arg(_649674, v('(', ')', end_of_file), p)
   Fail: (199) [system] arg(_650606, v('(', ')', end_of_file), p)
^  Fail: (198) [user] is_delimiter(p)
   Call: (198) [system] ')'==p
   Fail: (198) [system] ')'==p
   Call: (198) [system] get_char((0x563acd73bee0), p)
   Exit: (198) [system] get_char((0x563acd73bee0), p)
   Call: (198) [system] p=(\)
   Fail: (198) [system] p=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _657956)
   Call: (199) [system] peek_char((0x563acd73bee0), _658890)
   Exit: (199) [system] peek_char((0x563acd73bee0), e)
^  Call: (199) [user] is_delimiter(e)
   Call: (200) [system] char_type(e, space)
   Fail: (200) [system] char_type(e, space)
   Call: (200) [system] arg(_663610, v('(', ')', end_of_file), e)
   Fail: (200) [system] arg(_664542, v('(', ')', end_of_file), e)
^  Fail: (199) [user] is_delimiter(e)
   Call: (199) [system] ')'==e
   Fail: (199) [system] ')'==e
   Call: (199) [system] get_char((0x563acd73bee0), e)
   Exit: (199) [system] get_char((0x563acd73bee0), e)
   Call: (199) [system] e=(\)
   Fail: (199) [system] e=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _671892)
   Call: (200) [system] peek_char((0x563acd73bee0), _672826)
   Exit: (200) [system] peek_char((0x563acd73bee0), ')')
^  Call: (200) [user] is_delimiter(')')
   Call: (201) [system] char_type(')', space)
   Fail: (201) [system] char_type(')', space)
   Call: (201) [system] arg(_677546, v('(', ')', end_of_file), ')')
   Exit: (201) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (200) [user] is_delimiter(')')
   Call: (200) [system] _671892=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (199) [system] _657956=[e]
   Exit: (199) [system] [e]=[e]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [e])
   Call: (198) [system] _644020=[p, e]
   Exit: (198) [system] [p, e]=[p, e]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, e])
   Call: (197) [system] _630084=[y, p, e]
   Exit: (197) [system] [y, p, e]=[y, p, e]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [y, p, e])
   Call: (196) [system] _616148=[t, y, p, e]
   Exit: (196) [system] [t, y, p, e]=[t, y, p, e]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, y, p, e])
^  Call: (195) [user] classify_and_convert_charseq([$, t, y, p, e], _580638)
^  Call: (196) [user] classify_and_convert_charseq_([$, t, y, p, e], _695158)
   Call: (197) [system] atom_chars(_696090, ['_', t, y, p, e])
   Exit: (197) [system] atom_chars('_type', ['_', t, y, p, e])
^  Exit: (196) [user] classify_and_convert_charseq_([$, t, y, p, e], _type)
   Call: (196) [system] integer(_type)
   Fail: (196) [system] integer(_type)
   Call: (196) [system] _580638=_type
   Exit: (196) [system] _type=_type
^  Exit: (195) [user] classify_and_convert_charseq([$, t, y, p, e], _type)
^  Exit: (194) [user] read_symbolic(')', (0x563acd73bee0), $, _type)
^  Exit: (193) [user] cont_sexpr(')', (0x563acd73bee0), _type)
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _705382)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _707240)
   Exit: (195) [system] peek_char((0x563acd73bee0), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
   Call: (195) [system] ')'=(/)
   Fail: (195) [system] ')'=(/)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _723250)
   Exit: (194) [system] peek_char((0x563acd73bee0), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x563acd73bee0), _727040)
   Exit: (194) [system] get_char((0x563acd73bee0), ')')
   Call: (194) [system] _705382=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), [])
   Call: (193) [system] _543978=[_type]
   Exit: (193) [system] [_type]=[_type]
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), [_type])
   Call: (192) [system] _384446=[_term, _type]
   Exit: (192) [system] [_term, _type]=[_term, _type]
^  Exit: (191) [user] read_list(')', (0x563acd73bee0), [_term, _type])
   Call: (191) [system] _280620=[:, _term, _type]
   Exit: (191) [system] [:, _term, _type]=[:, _term, _type]
^  Exit: (190) [user] read_list(')', (0x563acd73bee0), [:, _term, _type])
^  Exit: (189) [user] cont_sexpr(')', (0x563acd73bee0), [:, _term, _type])
^  Call: (189) [user] read_list(')', (0x563acd73bee0), _740922)
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _742780)
   Exit: (191) [system] peek_char((0x563acd73bee0), ' ')
   Call: (191) [system] ' '=(;)
   Fail: (191) [system] ' '=(;)
   Call: (191) [system] ' '=(/)
   Fail: (191) [system] ' '=(/)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x563acd73bee0), _752374)
   Exit: (191) [system] get_char((0x563acd73bee0), ' ')
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _755078)
   Exit: (192) [system] peek_char((0x563acd73bee0), k)
   Call: (192) [system] k=(;)
   Fail: (192) [system] k=(;)
   Call: (192) [system] k=(/)
   Fail: (192) [system] k=(/)
^  Call: (192) [user] is_like_space(k)
   Call: (193) [system] char_type(k, 'white')
   Fail: (193) [system] char_type(k, 'white')
   Call: (193) [system] char_type(k, end_of_line)
   Fail: (193) [system] char_type(k, end_of_line)
   Call: (193) [system] char_type(k, space)
   Fail: (193) [system] char_type(k, space)
   Call: (193) [system] char_type(k, cntrl)
   Fail: (193) [system] char_type(k, cntrl)
^  Fail: (192) [user] is_like_space(k)
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _772012)
   Exit: (190) [system] peek_char((0x563acd73bee0), k)
   Call: (190) [system] k=')'
   Fail: (190) [system] k=')'
   Call: (190) [system] k=end_of_file
   Fail: (190) [system] k=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x563acd73bee0), _777582)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _779440)
   Exit: (192) [system] peek_char((0x563acd73bee0), k)
   Call: (192) [system] k=(;)
   Fail: (192) [system] k=(;)
   Call: (192) [system] k=(/)
   Fail: (192) [system] k=(/)
^  Call: (192) [user] is_like_space(k)
   Call: (193) [system] char_type(k, 'white')
   Fail: (193) [system] char_type(k, 'white')
   Call: (193) [system] char_type(k, end_of_line)
   Fail: (193) [system] char_type(k, end_of_line)
   Call: (193) [system] char_type(k, space)
   Fail: (193) [system] char_type(k, space)
   Call: (193) [system] char_type(k, cntrl)
   Fail: (193) [system] char_type(k, cntrl)
^  Fail: (192) [user] is_like_space(k)
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] get_char((0x563acd73bee0), _795450)
   Exit: (191) [system] get_char((0x563acd73bee0), k)
   Call: (191) [system] k='('
   Fail: (191) [system] k='('
   Call: (191) [system] k='['
   Fail: (191) [system] k='['
   Call: (191) [system] k='{'
   Fail: (191) [system] k='{'
   Call: (191) [system] k='"'
   Fail: (191) [system] k='"'
   Call: (191) [system] k=!
   Fail: (191) [system] k=!
   Call: (191) [system] k='\''
   Fail: (191) [system] k='\''
   Call: (191) [system] k='`'
   Fail: (191) [system] k='`'
   Call: (191) [system] k=end_of_file
   Fail: (191) [system] k=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x563acd73bee0), k, _777582)
^  Call: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), _813092)
   Call: (193) [system] peek_char((0x563acd73bee0), _814026)
   Exit: (193) [system] peek_char((0x563acd73bee0), b)
^  Call: (193) [user] is_delimiter(b)
   Call: (194) [system] char_type(b, space)
   Fail: (194) [system] char_type(b, space)
   Call: (194) [system] arg(_818746, v('(', ')', end_of_file), b)
   Fail: (194) [system] arg(_819678, v('(', ')', end_of_file), b)
^  Fail: (193) [user] is_delimiter(b)
   Call: (193) [system] ')'==b
   Fail: (193) [system] ')'==b
   Call: (193) [system] get_char((0x563acd73bee0), b)
   Exit: (193) [system] get_char((0x563acd73bee0), b)
   Call: (193) [system] b=(\)
   Fail: (193) [system] b=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _827028)
   Call: (194) [system] peek_char((0x563acd73bee0), _827962)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _827028=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (193) [system] _813092=[b]
   Exit: (193) [system] [b]=[b]
^  Exit: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
^  Call: (192) [user] classify_and_convert_charseq([k, b], _777582)
^  Call: (193) [user] classify_and_convert_charseq_([k, b], _840040)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_840992, _840994), once(user:catch(read_from_chars([k, b], _840040), _840974, fail)), '$restore_trace'(_840992, _840994))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_840992, _840994))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([k, b], kb), _840974, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(kb)
   Exit: (194) [system] atomic(kb)
^  Exit: (193) [user] classify_and_convert_charseq_([k, b], kb)
   Call: (193) [system] integer(kb)
   Fail: (193) [system] integer(kb)
   Call: (193) [system] _777582=kb
   Exit: (193) [system] kb=kb
^  Exit: (192) [user] classify_and_convert_charseq([k, b], kb)
^  Exit: (191) [user] read_symbolic(')', (0x563acd73bee0), k, kb)
^  Exit: (190) [user] cont_sexpr(')', (0x563acd73bee0), kb)
^  Call: (190) [user] read_list(')', (0x563acd73bee0), _853120)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _854978)
   Exit: (192) [system] peek_char((0x563acd73bee0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x563acd73bee0), _864572)
   Exit: (192) [system] get_char((0x563acd73bee0), ' ')
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _867276)
   Exit: (193) [system] peek_char((0x563acd73bee0), r)
   Call: (193) [system] r=(;)
   Fail: (193) [system] r=(;)
   Call: (193) [system] r=(/)
   Fail: (193) [system] r=(/)
^  Call: (193) [user] is_like_space(r)
   Call: (194) [system] char_type(r, 'white')
   Fail: (194) [system] char_type(r, 'white')
   Call: (194) [system] char_type(r, end_of_line)
   Fail: (194) [system] char_type(r, end_of_line)
   Call: (194) [system] char_type(r, space)
   Fail: (194) [system] char_type(r, space)
   Call: (194) [system] char_type(r, cntrl)
   Fail: (194) [system] char_type(r, cntrl)
^  Fail: (193) [user] is_like_space(r)
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _884210)
   Exit: (191) [system] peek_char((0x563acd73bee0), r)
   Call: (191) [system] r=')'
   Fail: (191) [system] r=')'
   Call: (191) [system] r=end_of_file
   Fail: (191) [system] r=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x563acd73bee0), _889780)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _891638)
   Exit: (193) [system] peek_char((0x563acd73bee0), r)
   Call: (193) [system] r=(;)
   Fail: (193) [system] r=(;)
   Call: (193) [system] r=(/)
   Fail: (193) [system] r=(/)
^  Call: (193) [user] is_like_space(r)
   Call: (194) [system] char_type(r, 'white')
   Fail: (194) [system] char_type(r, 'white')
   Call: (194) [system] char_type(r, end_of_line)
   Fail: (194) [system] char_type(r, end_of_line)
   Call: (194) [system] char_type(r, space)
   Fail: (194) [system] char_type(r, space)
   Call: (194) [system] char_type(r, cntrl)
   Fail: (194) [system] char_type(r, cntrl)
^  Fail: (193) [user] is_like_space(r)
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] get_char((0x563acd73bee0), _907648)
   Exit: (192) [system] get_char((0x563acd73bee0), r)
   Call: (192) [system] r='('
   Fail: (192) [system] r='('
   Call: (192) [system] r='['
   Fail: (192) [system] r='['
   Call: (192) [system] r='{'
   Fail: (192) [system] r='{'
   Call: (192) [system] r='"'
   Fail: (192) [system] r='"'
   Call: (192) [system] r=!
   Fail: (192) [system] r=!
   Call: (192) [system] r='\''
   Fail: (192) [system] r='\''
   Call: (192) [system] r='`'
   Fail: (192) [system] r='`'
   Call: (192) [system] r=end_of_file
   Fail: (192) [system] r=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x563acd73bee0), r, _889780)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _925290)
   Call: (194) [system] peek_char((0x563acd73bee0), _926224)
   Exit: (194) [system] peek_char((0x563acd73bee0), b)
^  Call: (194) [user] is_delimiter(b)
   Call: (195) [system] char_type(b, space)
   Fail: (195) [system] char_type(b, space)
   Call: (195) [system] arg(_930944, v('(', ')', end_of_file), b)
   Fail: (195) [system] arg(_931876, v('(', ')', end_of_file), b)
^  Fail: (194) [user] is_delimiter(b)
   Call: (194) [system] ')'==b
   Fail: (194) [system] ')'==b
   Call: (194) [system] get_char((0x563acd73bee0), b)
   Exit: (194) [system] get_char((0x563acd73bee0), b)
   Call: (194) [system] b=(\)
   Fail: (194) [system] b=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _939226)
   Call: (195) [system] peek_char((0x563acd73bee0), _940160)
   Exit: (195) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (195) [user] is_delimiter(' ')
   Call: (196) [system] char_type(' ', space)
   Exit: (196) [system] char_type(' ', space)
^  Exit: (195) [user] is_delimiter(' ')
   Call: (195) [system] _939226=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (194) [system] _925290=[b]
   Exit: (194) [system] [b]=[b]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
^  Call: (193) [user] classify_and_convert_charseq([r, b], _889780)
^  Call: (194) [user] classify_and_convert_charseq_([r, b], _952238)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_953190, _953192), once(user:catch(read_from_chars([r, b], _952238), _953172, fail)), '$restore_trace'(_953190, _953192))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_953190, _953192))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([r, b], rb), _953172, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(rb)
   Exit: (195) [system] atomic(rb)
^  Exit: (194) [user] classify_and_convert_charseq_([r, b], rb)
   Call: (194) [system] integer(rb)
   Fail: (194) [system] integer(rb)
   Call: (194) [system] _889780=rb
   Exit: (194) [system] rb=rb
^  Exit: (193) [user] classify_and_convert_charseq([r, b], rb)
^  Exit: (192) [user] read_symbolic(')', (0x563acd73bee0), r, rb)
^  Exit: (191) [user] cont_sexpr(')', (0x563acd73bee0), rb)
^  Call: (191) [user] read_list(')', (0x563acd73bee0), _965318)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _967176)
   Exit: (193) [system] peek_char((0x563acd73bee0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x563acd73bee0), _976770)
   Exit: (193) [system] get_char((0x563acd73bee0), ' ')
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _979474)
   Exit: (194) [system] peek_char((0x563acd73bee0), 'Z')
   Call: (194) [system] 'Z'=(;)
   Fail: (194) [system] 'Z'=(;)
   Call: (194) [system] 'Z'=(/)
   Fail: (194) [system] 'Z'=(/)
^  Call: (194) [user] is_like_space('Z')
   Call: (195) [system] char_type('Z', 'white')
   Fail: (195) [system] char_type('Z', 'white')
   Call: (195) [system] char_type('Z', end_of_line)
   Fail: (195) [system] char_type('Z', end_of_line)
   Call: (195) [system] char_type('Z', space)
   Fail: (195) [system] char_type('Z', space)
   Call: (195) [system] char_type('Z', cntrl)
   Fail: (195) [system] char_type('Z', cntrl)
^  Fail: (194) [user] is_like_space('Z')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _996408)
   Exit: (192) [system] peek_char((0x563acd73bee0), 'Z')
   Call: (192) [system] 'Z'=')'
   Fail: (192) [system] 'Z'=')'
   Call: (192) [system] 'Z'=end_of_file
   Fail: (192) [system] 'Z'=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x563acd73bee0), _1001978)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1003836)
   Exit: (194) [system] peek_char((0x563acd73bee0), 'Z')
   Call: (194) [system] 'Z'=(;)
   Fail: (194) [system] 'Z'=(;)
   Call: (194) [system] 'Z'=(/)
   Fail: (194) [system] 'Z'=(/)
^  Call: (194) [user] is_like_space('Z')
   Call: (195) [system] char_type('Z', 'white')
   Fail: (195) [system] char_type('Z', 'white')
   Call: (195) [system] char_type('Z', end_of_line)
   Fail: (195) [system] char_type('Z', end_of_line)
   Call: (195) [system] char_type('Z', space)
   Fail: (195) [system] char_type('Z', space)
   Call: (195) [system] char_type('Z', cntrl)
   Fail: (195) [system] char_type('Z', cntrl)
^  Fail: (194) [user] is_like_space('Z')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] get_char((0x563acd73bee0), _1019846)
   Exit: (193) [system] get_char((0x563acd73bee0), 'Z')
   Call: (193) [system] 'Z'='('
   Fail: (193) [system] 'Z'='('
   Call: (193) [system] 'Z'='['
   Fail: (193) [system] 'Z'='['
   Call: (193) [system] 'Z'='{'
   Fail: (193) [system] 'Z'='{'
   Call: (193) [system] 'Z'='"'
   Fail: (193) [system] 'Z'='"'
   Call: (193) [system] 'Z'=!
   Fail: (193) [system] 'Z'=!
   Call: (193) [system] 'Z'='\''
   Fail: (193) [system] 'Z'='\''
   Call: (193) [system] 'Z'='`'
   Fail: (193) [system] 'Z'='`'
   Call: (193) [system] 'Z'=end_of_file
   Fail: (193) [system] 'Z'=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x563acd73bee0), 'Z', _1001978)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _1037488)
   Call: (195) [system] peek_char((0x563acd73bee0), _1038422)
   Exit: (195) [system] peek_char((0x563acd73bee0), ')')
^  Call: (195) [user] is_delimiter(')')
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] arg(_1043142, v('(', ')', end_of_file), ')')
   Exit: (196) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (195) [user] is_delimiter(')')
   Call: (195) [system] _1037488=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (194) [user] classify_and_convert_charseq(['Z'], _1001978)
^  Call: (195) [user] classify_and_convert_charseq_(['Z'], _1049578)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_1050530, _1050532), once(user:catch(read_from_chars(['Z'], _1049578), _1050512, fail)), '$restore_trace'(_1050530, _1050532))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_1050530, _1050532))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['Z'], _1049578), _1050512, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(_1049578)
   Fail: (196) [system] atomic(_1049578)
   Call: (196) [system] atom_chars(_1049578, ['Z'])
   Exit: (196) [system] atom_chars('Z', ['Z'])
^  Exit: (195) [user] classify_and_convert_charseq_(['Z'], 'Z')
   Call: (195) [system] integer('Z')
   Fail: (195) [system] integer('Z')
   Call: (195) [system] _1001978='Z'
   Exit: (195) [system] 'Z'='Z'
^  Exit: (194) [user] classify_and_convert_charseq(['Z'], 'Z')
^  Exit: (193) [user] read_symbolic(')', (0x563acd73bee0), 'Z', 'Z')
^  Exit: (192) [user] cont_sexpr(')', (0x563acd73bee0), 'Z')
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _1064528)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1066386)
   Exit: (194) [system] peek_char((0x563acd73bee0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
   Call: (194) [system] ')'=(/)
   Fail: (194) [system] ')'=(/)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1082396)
   Exit: (193) [system] peek_char((0x563acd73bee0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x563acd73bee0), _1086186)
   Exit: (193) [system] get_char((0x563acd73bee0), ')')
   Call: (193) [system] _1064528=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), [])
   Call: (192) [system] _965318=['Z']
   Exit: (192) [system] ['Z']=['Z']
^  Exit: (191) [user] read_list(')', (0x563acd73bee0), ['Z'])
   Call: (191) [system] _853120=[rb, 'Z']
   Exit: (191) [system] [rb, 'Z']=[rb, 'Z']
^  Exit: (190) [user] read_list(')', (0x563acd73bee0), [rb, 'Z'])
   Call: (190) [system] _740922=[kb, rb, 'Z']
   Exit: (190) [system] [kb, rb, 'Z']=[kb, rb, 'Z']
^  Exit: (189) [user] read_list(')', (0x563acd73bee0), [kb, rb, 'Z'])
   Call: (189) [system] _243960=[[:, _term, _type], kb, rb, 'Z']
   Exit: (189) [system] [[:, _term, _type], kb, rb, 'Z']=[[:, _term, _type], kb, rb, 'Z']
^  Exit: (188) [user] read_list(')', (0x563acd73bee0), [[:, _term, _type], kb, rb, 'Z'])
   Call: (188) [system] _3372=[synthesize, [:, _term, _type], kb, rb, 'Z']
   Exit: (188) [system] [synthesize, [:, _term, _type], kb, rb, 'Z']=[synthesize, [:, _term, _type], kb, rb, 'Z']
^  Exit: (187) [user] read_list(')', (0x563acd73bee0), [synthesize, [:, _term, _type], kb, rb, 'Z'])
^  Exit: (186) [user] cont_sexpr(')', (0x563acd73bee0), [synthesize, [:, _term, _type], kb, rb, 'Z'])
^  Call: (186) [user] read_list(')', (0x563acd73bee0), _1105656)
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _1107514)
   Exit: (188) [system] peek_char((0x563acd73bee0), '\n')
   Call: (188) [system] '\n'=(;)
   Fail: (188) [system] '\n'=(;)
   Call: (188) [system] '\n'=(/)
   Fail: (188) [system] '\n'=(/)
^  Call: (188) [user] is_like_space('\n')
   Call: (189) [system] char_type('\n', 'white')
   Fail: (189) [system] char_type('\n', 'white')
   Call: (189) [system] char_type('\n', end_of_line)
   Exit: (189) [system] char_type('\n', end_of_line)
^  Exit: (188) [user] is_like_space('\n')
   Call: (188) [system] get_char((0x563acd73bee0), _1118964)
   Exit: (188) [system] get_char((0x563acd73bee0), '\n')
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1121668)
   Exit: (189) [system] peek_char((0x563acd73bee0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x563acd73bee0), _1131262)
   Exit: (189) [system] get_char((0x563acd73bee0), ' ')
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1133966)
   Exit: (190) [system] peek_char((0x563acd73bee0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x563acd73bee0), _1143560)
   Exit: (190) [system] get_char((0x563acd73bee0), ' ')
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _1146264)
   Exit: (191) [system] peek_char((0x563acd73bee0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _1165046)
   Exit: (187) [system] peek_char((0x563acd73bee0), '(')
   Call: (187) [system] '('=')'
   Fail: (187) [system] '('=')'
   Call: (187) [system] '('=end_of_file
   Fail: (187) [system] '('=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x563acd73bee0), _1170616)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1172474)
   Exit: (189) [system] peek_char((0x563acd73bee0), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
   Call: (189) [system] '('=(/)
   Fail: (189) [system] '('=(/)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] get_char((0x563acd73bee0), _1188484)
   Exit: (188) [system] get_char((0x563acd73bee0), '(')
   Call: (188) [system] '('='('
   Exit: (188) [system] '('='('
^  Call: (188) [user] read_list(')', (0x563acd73bee0), _1170616)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1194054)
   Exit: (190) [system] peek_char((0x563acd73bee0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1210064)
   Exit: (189) [system] peek_char((0x563acd73bee0), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x563acd73bee0), _1215634)
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _1217492)
   Exit: (191) [system] peek_char((0x563acd73bee0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] get_char((0x563acd73bee0), _1233502)
   Exit: (190) [system] get_char((0x563acd73bee0), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x563acd73bee0), _1215634)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1239072)
   Exit: (192) [system] peek_char((0x563acd73bee0), :)
   Call: (192) [system] (:)=(;)
   Fail: (192) [system] (:)=(;)
   Call: (192) [system] (:)=(/)
   Fail: (192) [system] (:)=(/)
^  Call: (192) [user] is_like_space(:)
   Call: (193) [system] char_type(:, 'white')
   Fail: (193) [system] char_type(:, 'white')
   Call: (193) [system] char_type(:, end_of_line)
   Fail: (193) [system] char_type(:, end_of_line)
   Call: (193) [system] char_type(:, space)
   Fail: (193) [system] char_type(:, space)
   Call: (193) [system] char_type(:, cntrl)
   Fail: (193) [system] char_type(:, cntrl)
^  Fail: (192) [user] is_like_space(:)
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _1255082)
   Exit: (191) [system] peek_char((0x563acd73bee0), :)
   Call: (191) [system] (:)=')'
   Fail: (191) [system] (:)=')'
   Call: (191) [system] (:)=end_of_file
   Fail: (191) [system] (:)=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x563acd73bee0), _1260652)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1262510)
   Exit: (193) [system] peek_char((0x563acd73bee0), :)
   Call: (193) [system] (:)=(;)
   Fail: (193) [system] (:)=(;)
   Call: (193) [system] (:)=(/)
   Fail: (193) [system] (:)=(/)
^  Call: (193) [user] is_like_space(:)
   Call: (194) [system] char_type(:, 'white')
   Fail: (194) [system] char_type(:, 'white')
   Call: (194) [system] char_type(:, end_of_line)
   Fail: (194) [system] char_type(:, end_of_line)
   Call: (194) [system] char_type(:, space)
   Fail: (194) [system] char_type(:, space)
   Call: (194) [system] char_type(:, cntrl)
   Fail: (194) [system] char_type(:, cntrl)
^  Fail: (193) [user] is_like_space(:)
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] get_char((0x563acd73bee0), _1278520)
   Exit: (192) [system] get_char((0x563acd73bee0), :)
   Call: (192) [system] (:)='('
   Fail: (192) [system] (:)='('
   Call: (192) [system] (:)='['
   Fail: (192) [system] (:)='['
   Call: (192) [system] (:)='{'
   Fail: (192) [system] (:)='{'
   Call: (192) [system] (:)='"'
   Fail: (192) [system] (:)='"'
   Call: (192) [system] (:)=!
   Fail: (192) [system] (:)=!
   Call: (192) [system] (:)='\''
   Fail: (192) [system] (:)='\''
   Call: (192) [system] (:)='`'
   Fail: (192) [system] (:)='`'
   Call: (192) [system] (:)=end_of_file
   Fail: (192) [system] (:)=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x563acd73bee0), :, _1260652)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _1296162)
   Call: (194) [system] peek_char((0x563acd73bee0), _1297096)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _1296162=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (193) [user] classify_and_convert_charseq([:], _1260652)
^  Call: (194) [user] classify_and_convert_charseq_([:], _1306380)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_1307332, _1307334), once(user:catch(read_from_chars([:], _1306380), _1307314, fail)), '$restore_trace'(_1307332, _1307334))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_1307332, _1307334))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1307314, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(:)
   Exit: (195) [system] atomic(:)
^  Exit: (194) [user] classify_and_convert_charseq_([:], :)
   Call: (194) [system] integer(:)
   Fail: (194) [system] integer(:)
   Call: (194) [system] _1260652=(:)
   Exit: (194) [system] (:)=(:)
^  Exit: (193) [user] classify_and_convert_charseq([:], :)
^  Exit: (192) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (191) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (191) [user] read_list(')', (0x563acd73bee0), _1319460)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1321318)
   Exit: (193) [system] peek_char((0x563acd73bee0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x563acd73bee0), _1330912)
   Exit: (193) [system] get_char((0x563acd73bee0), ' ')
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1333616)
   Exit: (194) [system] peek_char((0x563acd73bee0), a)
   Call: (194) [system] a=(;)
   Fail: (194) [system] a=(;)
   Call: (194) [system] a=(/)
   Fail: (194) [system] a=(/)
^  Call: (194) [user] is_like_space(a)
   Call: (195) [system] char_type(a, 'white')
   Fail: (195) [system] char_type(a, 'white')
   Call: (195) [system] char_type(a, end_of_line)
   Fail: (195) [system] char_type(a, end_of_line)
   Call: (195) [system] char_type(a, space)
   Fail: (195) [system] char_type(a, space)
   Call: (195) [system] char_type(a, cntrl)
   Fail: (195) [system] char_type(a, cntrl)
^  Fail: (194) [user] is_like_space(a)
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1350550)
   Exit: (192) [system] peek_char((0x563acd73bee0), a)
   Call: (192) [system] a=')'
   Fail: (192) [system] a=')'
   Call: (192) [system] a=end_of_file
   Fail: (192) [system] a=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x563acd73bee0), _1356120)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1357978)
   Exit: (194) [system] peek_char((0x563acd73bee0), a)
   Call: (194) [system] a=(;)
   Fail: (194) [system] a=(;)
   Call: (194) [system] a=(/)
   Fail: (194) [system] a=(/)
^  Call: (194) [user] is_like_space(a)
   Call: (195) [system] char_type(a, 'white')
   Fail: (195) [system] char_type(a, 'white')
   Call: (195) [system] char_type(a, end_of_line)
   Fail: (195) [system] char_type(a, end_of_line)
   Call: (195) [system] char_type(a, space)
   Fail: (195) [system] char_type(a, space)
   Call: (195) [system] char_type(a, cntrl)
   Fail: (195) [system] char_type(a, cntrl)
^  Fail: (194) [user] is_like_space(a)
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] get_char((0x563acd73bee0), _1373988)
   Exit: (193) [system] get_char((0x563acd73bee0), a)
   Call: (193) [system] a='('
   Fail: (193) [system] a='('
   Call: (193) [system] a='['
   Fail: (193) [system] a='['
   Call: (193) [system] a='{'
   Fail: (193) [system] a='{'
   Call: (193) [system] a='"'
   Fail: (193) [system] a='"'
   Call: (193) [system] a=!
   Fail: (193) [system] a=!
   Call: (193) [system] a='\''
   Fail: (193) [system] a='\''
   Call: (193) [system] a='`'
   Fail: (193) [system] a='`'
   Call: (193) [system] a=end_of_file
   Fail: (193) [system] a=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x563acd73bee0), a, _1356120)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _1391630)
   Call: (195) [system] peek_char((0x563acd73bee0), _1392564)
   Exit: (195) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (195) [user] is_delimiter(' ')
   Call: (196) [system] char_type(' ', space)
   Exit: (196) [system] char_type(' ', space)
^  Exit: (195) [user] is_delimiter(' ')
   Call: (195) [system] _1391630=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (194) [user] classify_and_convert_charseq([a], _1356120)
^  Call: (195) [user] classify_and_convert_charseq_([a], _1401848)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_1402800, _1402802), once(user:catch(read_from_chars([a], _1401848), _1402782, fail)), '$restore_trace'(_1402800, _1402802))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_1402800, _1402802))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1402782, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(a)
   Exit: (196) [system] atomic(a)
^  Exit: (195) [user] classify_and_convert_charseq_([a], a)
   Call: (195) [system] integer(a)
   Fail: (195) [system] integer(a)
   Call: (195) [system] _1356120=a
   Exit: (195) [system] a=a
^  Exit: (194) [user] classify_and_convert_charseq([a], a)
^  Exit: (193) [user] read_symbolic(')', (0x563acd73bee0), a, a)
^  Exit: (192) [user] cont_sexpr(')', (0x563acd73bee0), a)
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _1414928)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1416786)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x563acd73bee0), _1426380)
   Exit: (194) [system] get_char((0x563acd73bee0), ' ')
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1429084)
   Exit: (195) [system] peek_char((0x563acd73bee0), 'A')
   Call: (195) [system] 'A'=(;)
   Fail: (195) [system] 'A'=(;)
   Call: (195) [system] 'A'=(/)
   Fail: (195) [system] 'A'=(/)
^  Call: (195) [user] is_like_space('A')
   Call: (196) [system] char_type('A', 'white')
   Fail: (196) [system] char_type('A', 'white')
   Call: (196) [system] char_type('A', end_of_line)
   Fail: (196) [system] char_type('A', end_of_line)
   Call: (196) [system] char_type('A', space)
   Fail: (196) [system] char_type('A', space)
   Call: (196) [system] char_type('A', cntrl)
   Fail: (196) [system] char_type('A', cntrl)
^  Fail: (195) [user] is_like_space('A')
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1446018)
   Exit: (193) [system] peek_char((0x563acd73bee0), 'A')
   Call: (193) [system] 'A'=')'
   Fail: (193) [system] 'A'=')'
   Call: (193) [system] 'A'=end_of_file
   Fail: (193) [system] 'A'=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x563acd73bee0), _1451588)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1453446)
   Exit: (195) [system] peek_char((0x563acd73bee0), 'A')
   Call: (195) [system] 'A'=(;)
   Fail: (195) [system] 'A'=(;)
   Call: (195) [system] 'A'=(/)
   Fail: (195) [system] 'A'=(/)
^  Call: (195) [user] is_like_space('A')
   Call: (196) [system] char_type('A', 'white')
   Fail: (196) [system] char_type('A', 'white')
   Call: (196) [system] char_type('A', end_of_line)
   Fail: (196) [system] char_type('A', end_of_line)
   Call: (196) [system] char_type('A', space)
   Fail: (196) [system] char_type('A', space)
   Call: (196) [system] char_type('A', cntrl)
   Fail: (196) [system] char_type('A', cntrl)
^  Fail: (195) [user] is_like_space('A')
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] get_char((0x563acd73bee0), _1469456)
   Exit: (194) [system] get_char((0x563acd73bee0), 'A')
   Call: (194) [system] 'A'='('
   Fail: (194) [system] 'A'='('
   Call: (194) [system] 'A'='['
   Fail: (194) [system] 'A'='['
   Call: (194) [system] 'A'='{'
   Fail: (194) [system] 'A'='{'
   Call: (194) [system] 'A'='"'
   Fail: (194) [system] 'A'='"'
   Call: (194) [system] 'A'=!
   Fail: (194) [system] 'A'=!
   Call: (194) [system] 'A'='\''
   Fail: (194) [system] 'A'='\''
   Call: (194) [system] 'A'='`'
   Fail: (194) [system] 'A'='`'
   Call: (194) [system] 'A'=end_of_file
   Fail: (194) [system] 'A'=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x563acd73bee0), 'A', _1451588)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _1487098)
   Call: (196) [system] peek_char((0x563acd73bee0), _1488032)
   Exit: (196) [system] peek_char((0x563acd73bee0), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_1492752, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _1487098=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (195) [user] classify_and_convert_charseq(['A'], _1451588)
^  Call: (196) [user] classify_and_convert_charseq_(['A'], _1499188)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_1500140, _1500142), once(user:catch(read_from_chars(['A'], _1499188), _1500122, fail)), '$restore_trace'(_1500140, _1500142))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_1500140, _1500142))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1499188), _1500122, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(_1499188)
   Fail: (197) [system] atomic(_1499188)
   Call: (197) [system] atom_chars(_1499188, ['A'])
   Exit: (197) [system] atom_chars('A', ['A'])
^  Exit: (196) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (196) [system] integer('A')
   Fail: (196) [system] integer('A')
   Call: (196) [system] _1451588='A'
   Exit: (196) [system] 'A'='A'
^  Exit: (195) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (194) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (193) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _1514138)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1515996)
   Exit: (195) [system] peek_char((0x563acd73bee0), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
   Call: (195) [system] ')'=(/)
   Fail: (195) [system] ')'=(/)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1532006)
   Exit: (194) [system] peek_char((0x563acd73bee0), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x563acd73bee0), _1535796)
   Exit: (194) [system] get_char((0x563acd73bee0), ')')
   Call: (194) [system] _1514138=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), [])
   Call: (193) [system] _1414928=['A']
   Exit: (193) [system] ['A']=['A']
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), ['A'])
   Call: (192) [system] _1319460=[a, 'A']
   Exit: (192) [system] [a, 'A']=[a, 'A']
^  Exit: (191) [user] read_list(')', (0x563acd73bee0), [a, 'A'])
   Call: (191) [system] _1215634=[:, a, 'A']
   Exit: (191) [system] [:, a, 'A']=[:, a, 'A']
^  Exit: (190) [user] read_list(')', (0x563acd73bee0), [:, a, 'A'])
^  Exit: (189) [user] cont_sexpr(')', (0x563acd73bee0), [:, a, 'A'])
^  Call: (189) [user] read_list(')', (0x563acd73bee0), _1549678)
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _1551536)
   Exit: (191) [system] peek_char((0x563acd73bee0), ' ')
   Call: (191) [system] ' '=(;)
   Fail: (191) [system] ' '=(;)
   Call: (191) [system] ' '=(/)
   Fail: (191) [system] ' '=(/)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x563acd73bee0), _1561130)
   Exit: (191) [system] get_char((0x563acd73bee0), ' ')
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1563834)
   Exit: (192) [system] peek_char((0x563acd73bee0), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
   Call: (192) [system] '('=(/)
   Fail: (192) [system] '('=(/)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1580768)
   Exit: (190) [system] peek_char((0x563acd73bee0), '(')
   Call: (190) [system] '('=')'
   Fail: (190) [system] '('=')'
   Call: (190) [system] '('=end_of_file
   Fail: (190) [system] '('=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x563acd73bee0), _1586338)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1588196)
   Exit: (192) [system] peek_char((0x563acd73bee0), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
   Call: (192) [system] '('=(/)
   Fail: (192) [system] '('=(/)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] get_char((0x563acd73bee0), _1604206)
   Exit: (191) [system] get_char((0x563acd73bee0), '(')
   Call: (191) [system] '('='('
   Exit: (191) [system] '('='('
^  Call: (191) [user] read_list(')', (0x563acd73bee0), _1586338)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1609776)
   Exit: (193) [system] peek_char((0x563acd73bee0), :)
   Call: (193) [system] (:)=(;)
   Fail: (193) [system] (:)=(;)
   Call: (193) [system] (:)=(/)
   Fail: (193) [system] (:)=(/)
^  Call: (193) [user] is_like_space(:)
   Call: (194) [system] char_type(:, 'white')
   Fail: (194) [system] char_type(:, 'white')
   Call: (194) [system] char_type(:, end_of_line)
   Fail: (194) [system] char_type(:, end_of_line)
   Call: (194) [system] char_type(:, space)
   Fail: (194) [system] char_type(:, space)
   Call: (194) [system] char_type(:, cntrl)
   Fail: (194) [system] char_type(:, cntrl)
^  Fail: (193) [user] is_like_space(:)
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1625786)
   Exit: (192) [system] peek_char((0x563acd73bee0), :)
   Call: (192) [system] (:)=')'
   Fail: (192) [system] (:)=')'
   Call: (192) [system] (:)=end_of_file
   Fail: (192) [system] (:)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x563acd73bee0), _1631356)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1633214)
   Exit: (194) [system] peek_char((0x563acd73bee0), :)
   Call: (194) [system] (:)=(;)
   Fail: (194) [system] (:)=(;)
   Call: (194) [system] (:)=(/)
   Fail: (194) [system] (:)=(/)
^  Call: (194) [user] is_like_space(:)
   Call: (195) [system] char_type(:, 'white')
   Fail: (195) [system] char_type(:, 'white')
   Call: (195) [system] char_type(:, end_of_line)
   Fail: (195) [system] char_type(:, end_of_line)
   Call: (195) [system] char_type(:, space)
   Fail: (195) [system] char_type(:, space)
   Call: (195) [system] char_type(:, cntrl)
   Fail: (195) [system] char_type(:, cntrl)
^  Fail: (194) [user] is_like_space(:)
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] get_char((0x563acd73bee0), _1649224)
   Exit: (193) [system] get_char((0x563acd73bee0), :)
   Call: (193) [system] (:)='('
   Fail: (193) [system] (:)='('
   Call: (193) [system] (:)='['
   Fail: (193) [system] (:)='['
   Call: (193) [system] (:)='{'
   Fail: (193) [system] (:)='{'
   Call: (193) [system] (:)='"'
   Fail: (193) [system] (:)='"'
   Call: (193) [system] (:)=!
   Fail: (193) [system] (:)=!
   Call: (193) [system] (:)='\''
   Fail: (193) [system] (:)='\''
   Call: (193) [system] (:)='`'
   Fail: (193) [system] (:)='`'
   Call: (193) [system] (:)=end_of_file
   Fail: (193) [system] (:)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x563acd73bee0), :, _1631356)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _1666866)
   Call: (195) [system] peek_char((0x563acd73bee0), _1667800)
   Exit: (195) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (195) [user] is_delimiter(' ')
   Call: (196) [system] char_type(' ', space)
   Exit: (196) [system] char_type(' ', space)
^  Exit: (195) [user] is_delimiter(' ')
   Call: (195) [system] _1666866=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (194) [user] classify_and_convert_charseq([:], _1631356)
^  Call: (195) [user] classify_and_convert_charseq_([:], _1677084)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_1678036, _1678038), once(user:catch(read_from_chars([:], _1677084), _1678018, fail)), '$restore_trace'(_1678036, _1678038))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_1678036, _1678038))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1678018, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(:)
   Exit: (196) [system] atomic(:)
^  Exit: (195) [user] classify_and_convert_charseq_([:], :)
   Call: (195) [system] integer(:)
   Fail: (195) [system] integer(:)
   Call: (195) [system] _1631356=(:)
   Exit: (195) [system] (:)=(:)
^  Exit: (194) [user] classify_and_convert_charseq([:], :)
^  Exit: (193) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (192) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _1690164)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1692022)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x563acd73bee0), _1701616)
   Exit: (194) [system] get_char((0x563acd73bee0), ' ')
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1704320)
   Exit: (195) [system] peek_char((0x563acd73bee0), a)
   Call: (195) [system] a=(;)
   Fail: (195) [system] a=(;)
   Call: (195) [system] a=(/)
   Fail: (195) [system] a=(/)
^  Call: (195) [user] is_like_space(a)
   Call: (196) [system] char_type(a, 'white')
   Fail: (196) [system] char_type(a, 'white')
   Call: (196) [system] char_type(a, end_of_line)
   Fail: (196) [system] char_type(a, end_of_line)
   Call: (196) [system] char_type(a, space)
   Fail: (196) [system] char_type(a, space)
   Call: (196) [system] char_type(a, cntrl)
   Fail: (196) [system] char_type(a, cntrl)
^  Fail: (195) [user] is_like_space(a)
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1721254)
   Exit: (193) [system] peek_char((0x563acd73bee0), a)
   Call: (193) [system] a=')'
   Fail: (193) [system] a=')'
   Call: (193) [system] a=end_of_file
   Fail: (193) [system] a=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x563acd73bee0), _1726824)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1728682)
   Exit: (195) [system] peek_char((0x563acd73bee0), a)
   Call: (195) [system] a=(;)
   Fail: (195) [system] a=(;)
   Call: (195) [system] a=(/)
   Fail: (195) [system] a=(/)
^  Call: (195) [user] is_like_space(a)
   Call: (196) [system] char_type(a, 'white')
   Fail: (196) [system] char_type(a, 'white')
   Call: (196) [system] char_type(a, end_of_line)
   Fail: (196) [system] char_type(a, end_of_line)
   Call: (196) [system] char_type(a, space)
   Fail: (196) [system] char_type(a, space)
   Call: (196) [system] char_type(a, cntrl)
   Fail: (196) [system] char_type(a, cntrl)
^  Fail: (195) [user] is_like_space(a)
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] get_char((0x563acd73bee0), _1744692)
   Exit: (194) [system] get_char((0x563acd73bee0), a)
   Call: (194) [system] a='('
   Fail: (194) [system] a='('
   Call: (194) [system] a='['
   Fail: (194) [system] a='['
   Call: (194) [system] a='{'
   Fail: (194) [system] a='{'
   Call: (194) [system] a='"'
   Fail: (194) [system] a='"'
   Call: (194) [system] a=!
   Fail: (194) [system] a=!
   Call: (194) [system] a='\''
   Fail: (194) [system] a='\''
   Call: (194) [system] a='`'
   Fail: (194) [system] a='`'
   Call: (194) [system] a=end_of_file
   Fail: (194) [system] a=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x563acd73bee0), a, _1726824)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _1762334)
   Call: (196) [system] peek_char((0x563acd73bee0), _1763268)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _1762334=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (195) [user] classify_and_convert_charseq([a], _1726824)
^  Call: (196) [user] classify_and_convert_charseq_([a], _1772552)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_1773504, _1773506), once(user:catch(read_from_chars([a], _1772552), _1773486, fail)), '$restore_trace'(_1773504, _1773506))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_1773504, _1773506))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1773486, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(a)
   Exit: (197) [system] atomic(a)
^  Exit: (196) [user] classify_and_convert_charseq_([a], a)
   Call: (196) [system] integer(a)
   Fail: (196) [system] integer(a)
   Call: (196) [system] _1726824=a
   Exit: (196) [system] a=a
^  Exit: (195) [user] classify_and_convert_charseq([a], a)
^  Exit: (194) [user] read_symbolic(')', (0x563acd73bee0), a, a)
^  Exit: (193) [user] cont_sexpr(')', (0x563acd73bee0), a)
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _1785632)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1787490)
   Exit: (195) [system] peek_char((0x563acd73bee0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x563acd73bee0), _1797084)
   Exit: (195) [system] get_char((0x563acd73bee0), ' ')
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1799788)
   Exit: (196) [system] peek_char((0x563acd73bee0), 'B')
   Call: (196) [system] 'B'=(;)
   Fail: (196) [system] 'B'=(;)
   Call: (196) [system] 'B'=(/)
   Fail: (196) [system] 'B'=(/)
^  Call: (196) [user] is_like_space('B')
   Call: (197) [system] char_type('B', 'white')
   Fail: (197) [system] char_type('B', 'white')
   Call: (197) [system] char_type('B', end_of_line)
   Fail: (197) [system] char_type('B', end_of_line)
   Call: (197) [system] char_type('B', space)
   Fail: (197) [system] char_type('B', space)
   Call: (197) [system] char_type('B', cntrl)
   Fail: (197) [system] char_type('B', cntrl)
^  Fail: (196) [user] is_like_space('B')
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1816722)
   Exit: (194) [system] peek_char((0x563acd73bee0), 'B')
   Call: (194) [system] 'B'=')'
   Fail: (194) [system] 'B'=')'
   Call: (194) [system] 'B'=end_of_file
   Fail: (194) [system] 'B'=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x563acd73bee0), _1822292)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1824150)
   Exit: (196) [system] peek_char((0x563acd73bee0), 'B')
   Call: (196) [system] 'B'=(;)
   Fail: (196) [system] 'B'=(;)
   Call: (196) [system] 'B'=(/)
   Fail: (196) [system] 'B'=(/)
^  Call: (196) [user] is_like_space('B')
   Call: (197) [system] char_type('B', 'white')
   Fail: (197) [system] char_type('B', 'white')
   Call: (197) [system] char_type('B', end_of_line)
   Fail: (197) [system] char_type('B', end_of_line)
   Call: (197) [system] char_type('B', space)
   Fail: (197) [system] char_type('B', space)
   Call: (197) [system] char_type('B', cntrl)
   Fail: (197) [system] char_type('B', cntrl)
^  Fail: (196) [user] is_like_space('B')
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] get_char((0x563acd73bee0), _1840160)
   Exit: (195) [system] get_char((0x563acd73bee0), 'B')
   Call: (195) [system] 'B'='('
   Fail: (195) [system] 'B'='('
   Call: (195) [system] 'B'='['
   Fail: (195) [system] 'B'='['
   Call: (195) [system] 'B'='{'
   Fail: (195) [system] 'B'='{'
   Call: (195) [system] 'B'='"'
   Fail: (195) [system] 'B'='"'
   Call: (195) [system] 'B'=!
   Fail: (195) [system] 'B'=!
   Call: (195) [system] 'B'='\''
   Fail: (195) [system] 'B'='\''
   Call: (195) [system] 'B'='`'
   Fail: (195) [system] 'B'='`'
   Call: (195) [system] 'B'=end_of_file
   Fail: (195) [system] 'B'=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x563acd73bee0), 'B', _1822292)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _1857802)
   Call: (197) [system] peek_char((0x563acd73bee0), _1858736)
   Exit: (197) [system] peek_char((0x563acd73bee0), ')')
^  Call: (197) [user] is_delimiter(')')
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] arg(_1863456, v('(', ')', end_of_file), ')')
   Exit: (198) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (197) [user] is_delimiter(')')
   Call: (197) [system] _1857802=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (196) [user] classify_and_convert_charseq(['B'], _1822292)
^  Call: (197) [user] classify_and_convert_charseq_(['B'], _1869892)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_1870844, _1870846), once(user:catch(read_from_chars(['B'], _1869892), _1870826, fail)), '$restore_trace'(_1870844, _1870846))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_1870844, _1870846))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1869892), _1870826, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(_1869892)
   Fail: (198) [system] atomic(_1869892)
   Call: (198) [system] atom_chars(_1869892, ['B'])
   Exit: (198) [system] atom_chars('B', ['B'])
^  Exit: (197) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (197) [system] integer('B')
   Fail: (197) [system] integer('B')
   Call: (197) [system] _1822292='B'
   Exit: (197) [system] 'B'='B'
^  Exit: (196) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (195) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (194) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _1884842)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1886700)
   Exit: (196) [system] peek_char((0x563acd73bee0), ')')
   Call: (196) [system] ')'=(;)
   Fail: (196) [system] ')'=(;)
   Call: (196) [system] ')'=(/)
   Fail: (196) [system] ')'=(/)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Fail: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Fail: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
   Fail: (197) [system] char_type(')', cntrl)
^  Fail: (196) [user] is_like_space(')')
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1902710)
   Exit: (195) [system] peek_char((0x563acd73bee0), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x563acd73bee0), _1906500)
   Exit: (195) [system] get_char((0x563acd73bee0), ')')
   Call: (195) [system] _1884842=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), [])
   Call: (194) [system] _1785632=['B']
   Exit: (194) [system] ['B']=['B']
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), ['B'])
   Call: (193) [system] _1690164=[a, 'B']
   Exit: (193) [system] [a, 'B']=[a, 'B']
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), [a, 'B'])
   Call: (192) [system] _1586338=[:, a, 'B']
   Exit: (192) [system] [:, a, 'B']=[:, a, 'B']
^  Exit: (191) [user] read_list(')', (0x563acd73bee0), [:, a, 'B'])
^  Exit: (190) [user] cont_sexpr(')', (0x563acd73bee0), [:, a, 'B'])
^  Call: (190) [user] read_list(')', (0x563acd73bee0), _1920382)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1922240)
   Exit: (192) [system] peek_char((0x563acd73bee0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x563acd73bee0), _1931834)
   Exit: (192) [system] get_char((0x563acd73bee0), ' ')
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1934538)
   Exit: (193) [system] peek_char((0x563acd73bee0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _1951472)
   Exit: (191) [system] peek_char((0x563acd73bee0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x563acd73bee0), _1957042)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1958900)
   Exit: (193) [system] peek_char((0x563acd73bee0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] get_char((0x563acd73bee0), _1974910)
   Exit: (192) [system] get_char((0x563acd73bee0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _1957042)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1980480)
   Exit: (194) [system] peek_char((0x563acd73bee0), :)
   Call: (194) [system] (:)=(;)
   Fail: (194) [system] (:)=(;)
   Call: (194) [system] (:)=(/)
   Fail: (194) [system] (:)=(/)
^  Call: (194) [user] is_like_space(:)
   Call: (195) [system] char_type(:, 'white')
   Fail: (195) [system] char_type(:, 'white')
   Call: (195) [system] char_type(:, end_of_line)
   Fail: (195) [system] char_type(:, end_of_line)
   Call: (195) [system] char_type(:, space)
   Fail: (195) [system] char_type(:, space)
   Call: (195) [system] char_type(:, cntrl)
   Fail: (195) [system] char_type(:, cntrl)
^  Fail: (194) [user] is_like_space(:)
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1996490)
   Exit: (193) [system] peek_char((0x563acd73bee0), :)
   Call: (193) [system] (:)=')'
   Fail: (193) [system] (:)=')'
   Call: (193) [system] (:)=end_of_file
   Fail: (193) [system] (:)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x563acd73bee0), _2002060)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _2003918)
   Exit: (195) [system] peek_char((0x563acd73bee0), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
   Call: (195) [system] (:)=(/)
   Fail: (195) [system] (:)=(/)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] get_char((0x563acd73bee0), _2019928)
   Exit: (194) [system] get_char((0x563acd73bee0), :)
   Call: (194) [system] (:)='('
   Fail: (194) [system] (:)='('
   Call: (194) [system] (:)='['
   Fail: (194) [system] (:)='['
   Call: (194) [system] (:)='{'
   Fail: (194) [system] (:)='{'
   Call: (194) [system] (:)='"'
   Fail: (194) [system] (:)='"'
   Call: (194) [system] (:)=!
   Fail: (194) [system] (:)=!
   Call: (194) [system] (:)='\''
   Fail: (194) [system] (:)='\''
   Call: (194) [system] (:)='`'
   Fail: (194) [system] (:)='`'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x563acd73bee0), :, _2002060)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _2037570)
   Call: (196) [system] peek_char((0x563acd73bee0), _2038504)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _2037570=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (195) [user] classify_and_convert_charseq([:], _2002060)
^  Call: (196) [user] classify_and_convert_charseq_([:], _2047788)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_2048740, _2048742), once(user:catch(read_from_chars([:], _2047788), _2048722, fail)), '$restore_trace'(_2048740, _2048742))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_2048740, _2048742))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _2048722, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(:)
   Exit: (197) [system] atomic(:)
^  Exit: (196) [user] classify_and_convert_charseq_([:], :)
   Call: (196) [system] integer(:)
   Fail: (196) [system] integer(:)
   Call: (196) [system] _2002060=(:)
   Exit: (196) [system] (:)=(:)
^  Exit: (195) [user] classify_and_convert_charseq([:], :)
^  Exit: (194) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (193) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _2060868)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _2062726)
   Exit: (195) [system] peek_char((0x563acd73bee0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x563acd73bee0), _2072320)
   Exit: (195) [system] get_char((0x563acd73bee0), ' ')
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _2075024)
   Exit: (196) [system] peek_char((0x563acd73bee0), a)
   Call: (196) [system] a=(;)
   Fail: (196) [system] a=(;)
   Call: (196) [system] a=(/)
   Fail: (196) [system] a=(/)
^  Call: (196) [user] is_like_space(a)
   Call: (197) [system] char_type(a, 'white')
   Fail: (197) [system] char_type(a, 'white')
   Call: (197) [system] char_type(a, end_of_line)
   Fail: (197) [system] char_type(a, end_of_line)
   Call: (197) [system] char_type(a, space)
   Fail: (197) [system] char_type(a, space)
   Call: (197) [system] char_type(a, cntrl)
   Fail: (197) [system] char_type(a, cntrl)
^  Fail: (196) [user] is_like_space(a)
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _2091958)
   Exit: (194) [system] peek_char((0x563acd73bee0), a)
   Call: (194) [system] a=')'
   Fail: (194) [system] a=')'
   Call: (194) [system] a=end_of_file
   Fail: (194) [system] a=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x563acd73bee0), _4246)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _6104)
   Exit: (196) [system] peek_char((0x563acd73bee0), a)
   Call: (196) [system] a=(;)
   Fail: (196) [system] a=(;)
   Call: (196) [system] a=(/)
   Fail: (196) [system] a=(/)
^  Call: (196) [user] is_like_space(a)
   Call: (197) [system] char_type(a, 'white')
   Fail: (197) [system] char_type(a, 'white')
   Call: (197) [system] char_type(a, end_of_line)
   Fail: (197) [system] char_type(a, end_of_line)
   Call: (197) [system] char_type(a, space)
   Fail: (197) [system] char_type(a, space)
   Call: (197) [system] char_type(a, cntrl)
   Fail: (197) [system] char_type(a, cntrl)
^  Fail: (196) [user] is_like_space(a)
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] get_char((0x563acd73bee0), _22114)
   Exit: (195) [system] get_char((0x563acd73bee0), a)
   Call: (195) [system] a='('
   Fail: (195) [system] a='('
   Call: (195) [system] a='['
   Fail: (195) [system] a='['
   Call: (195) [system] a='{'
   Fail: (195) [system] a='{'
   Call: (195) [system] a='"'
   Fail: (195) [system] a='"'
   Call: (195) [system] a=!
   Fail: (195) [system] a=!
   Call: (195) [system] a='\''
   Fail: (195) [system] a='\''
   Call: (195) [system] a='`'
   Fail: (195) [system] a='`'
   Call: (195) [system] a=end_of_file
   Fail: (195) [system] a=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x563acd73bee0), a, _4246)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _39756)
   Call: (197) [system] peek_char((0x563acd73bee0), _40690)
   Exit: (197) [system] peek_char((0x563acd73bee0), b)
^  Call: (197) [user] is_delimiter(b)
   Call: (198) [system] char_type(b, space)
   Fail: (198) [system] char_type(b, space)
   Call: (198) [system] arg(_45410, v('(', ')', end_of_file), b)
   Fail: (198) [system] arg(_46342, v('(', ')', end_of_file), b)
^  Fail: (197) [user] is_delimiter(b)
   Call: (197) [system] ')'==b
   Fail: (197) [system] ')'==b
   Call: (197) [system] get_char((0x563acd73bee0), b)
   Exit: (197) [system] get_char((0x563acd73bee0), b)
   Call: (197) [system] b=(\)
   Fail: (197) [system] b=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _53692)
   Call: (198) [system] peek_char((0x563acd73bee0), _54626)
   Exit: (198) [system] peek_char((0x563acd73bee0), c)
^  Call: (198) [user] is_delimiter(c)
   Call: (199) [system] char_type(c, space)
   Fail: (199) [system] char_type(c, space)
   Call: (199) [system] arg(_59346, v('(', ')', end_of_file), c)
   Fail: (199) [system] arg(_60278, v('(', ')', end_of_file), c)
^  Fail: (198) [user] is_delimiter(c)
   Call: (198) [system] ')'==c
   Fail: (198) [system] ')'==c
   Call: (198) [system] get_char((0x563acd73bee0), c)
   Exit: (198) [system] get_char((0x563acd73bee0), c)
   Call: (198) [system] c=(\)
   Fail: (198) [system] c=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _67628)
   Call: (199) [system] peek_char((0x563acd73bee0), _68562)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (199) [user] is_delimiter(' ')
   Call: (200) [system] char_type(' ', space)
   Exit: (200) [system] char_type(' ', space)
^  Exit: (199) [user] is_delimiter(' ')
   Call: (199) [system] _67628=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (198) [system] _53692=[c]
   Exit: (198) [system] [c]=[c]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [c])
   Call: (197) [system] _39756=[b, c]
   Exit: (197) [system] [b, c]=[b, c]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [b, c])
^  Call: (196) [user] classify_and_convert_charseq([a, b, c], _4246)
^  Call: (197) [user] classify_and_convert_charseq_([a, b, c], _83434)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_84386, _84388), once(user:catch(read_from_chars([a, b, c], _83434), _84368, fail)), '$restore_trace'(_84386, _84388))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_84386, _84388))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _84368, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(abc)
   Exit: (198) [system] atomic(abc)
^  Exit: (197) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (197) [system] integer(abc)
   Fail: (197) [system] integer(abc)
   Call: (197) [system] _4246=abc
   Exit: (197) [system] abc=abc
^  Exit: (196) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (195) [user] read_symbolic(')', (0x563acd73bee0), a, abc)
^  Exit: (194) [user] cont_sexpr(')', (0x563acd73bee0), abc)
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _96514)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _98372)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x563acd73bee0), _107966)
   Exit: (196) [system] get_char((0x563acd73bee0), ' ')
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _110670)
   Exit: (197) [system] peek_char((0x563acd73bee0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _127604)
   Exit: (195) [system] peek_char((0x563acd73bee0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x563acd73bee0), _133174)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _135032)
   Exit: (197) [system] peek_char((0x563acd73bee0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] get_char((0x563acd73bee0), _151042)
   Exit: (196) [system] get_char((0x563acd73bee0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x563acd73bee0), _133174)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _156612)
   Exit: (198) [system] peek_char((0x563acd73bee0), 'I')
   Call: (198) [system] 'I'=(;)
   Fail: (198) [system] 'I'=(;)
   Call: (198) [system] 'I'=(/)
   Fail: (198) [system] 'I'=(/)
^  Call: (198) [user] is_like_space('I')
   Call: (199) [system] char_type('I', 'white')
   Fail: (199) [system] char_type('I', 'white')
   Call: (199) [system] char_type('I', end_of_line)
   Fail: (199) [system] char_type('I', end_of_line)
   Call: (199) [system] char_type('I', space)
   Fail: (199) [system] char_type('I', space)
   Call: (199) [system] char_type('I', cntrl)
   Fail: (199) [system] char_type('I', cntrl)
^  Fail: (198) [user] is_like_space('I')
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _172622)
   Exit: (197) [system] peek_char((0x563acd73bee0), 'I')
   Call: (197) [system] 'I'=')'
   Fail: (197) [system] 'I'=')'
   Call: (197) [system] 'I'=end_of_file
   Fail: (197) [system] 'I'=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x563acd73bee0), _178192)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _180050)
   Exit: (199) [system] peek_char((0x563acd73bee0), 'I')
   Call: (199) [system] 'I'=(;)
   Fail: (199) [system] 'I'=(;)
   Call: (199) [system] 'I'=(/)
   Fail: (199) [system] 'I'=(/)
^  Call: (199) [user] is_like_space('I')
   Call: (200) [system] char_type('I', 'white')
   Fail: (200) [system] char_type('I', 'white')
   Call: (200) [system] char_type('I', end_of_line)
   Fail: (200) [system] char_type('I', end_of_line)
   Call: (200) [system] char_type('I', space)
   Fail: (200) [system] char_type('I', space)
   Call: (200) [system] char_type('I', cntrl)
   Fail: (200) [system] char_type('I', cntrl)
^  Fail: (199) [user] is_like_space('I')
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] get_char((0x563acd73bee0), _196060)
   Exit: (198) [system] get_char((0x563acd73bee0), 'I')
   Call: (198) [system] 'I'='('
   Fail: (198) [system] 'I'='('
   Call: (198) [system] 'I'='['
   Fail: (198) [system] 'I'='['
   Call: (198) [system] 'I'='{'
   Fail: (198) [system] 'I'='{'
   Call: (198) [system] 'I'='"'
   Fail: (198) [system] 'I'='"'
   Call: (198) [system] 'I'=!
   Fail: (198) [system] 'I'=!
   Call: (198) [system] 'I'='\''
   Fail: (198) [system] 'I'='\''
   Call: (198) [system] 'I'='`'
   Fail: (198) [system] 'I'='`'
   Call: (198) [system] 'I'=end_of_file
   Fail: (198) [system] 'I'=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x563acd73bee0), 'I', _178192)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _213702)
   Call: (200) [system] peek_char((0x563acd73bee0), _214636)
   Exit: (200) [system] peek_char((0x563acd73bee0), m)
^  Call: (200) [user] is_delimiter(m)
   Call: (201) [system] char_type(m, space)
   Fail: (201) [system] char_type(m, space)
   Call: (201) [system] arg(_219356, v('(', ')', end_of_file), m)
   Fail: (201) [system] arg(_220288, v('(', ')', end_of_file), m)
^  Fail: (200) [user] is_delimiter(m)
   Call: (200) [system] ')'==m
   Fail: (200) [system] ')'==m
   Call: (200) [system] get_char((0x563acd73bee0), m)
   Exit: (200) [system] get_char((0x563acd73bee0), m)
   Call: (200) [system] m=(\)
   Fail: (200) [system] m=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _227638)
   Call: (201) [system] peek_char((0x563acd73bee0), _228572)
   Exit: (201) [system] peek_char((0x563acd73bee0), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_233292, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_234224, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x563acd73bee0), p)
   Exit: (201) [system] get_char((0x563acd73bee0), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _241574)
   Call: (202) [system] peek_char((0x563acd73bee0), _242508)
   Exit: (202) [system] peek_char((0x563acd73bee0), l)
^  Call: (202) [user] is_delimiter(l)
   Call: (203) [system] char_type(l, space)
   Fail: (203) [system] char_type(l, space)
   Call: (203) [system] arg(_247228, v('(', ')', end_of_file), l)
   Fail: (203) [system] arg(_248160, v('(', ')', end_of_file), l)
^  Fail: (202) [user] is_delimiter(l)
   Call: (202) [system] ')'==l
   Fail: (202) [system] ')'==l
   Call: (202) [system] get_char((0x563acd73bee0), l)
   Exit: (202) [system] get_char((0x563acd73bee0), l)
   Call: (202) [system] l=(\)
   Fail: (202) [system] l=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _255510)
   Call: (203) [system] peek_char((0x563acd73bee0), _256444)
   Exit: (203) [system] peek_char((0x563acd73bee0), i)
^  Call: (203) [user] is_delimiter(i)
   Call: (204) [system] char_type(i, space)
   Fail: (204) [system] char_type(i, space)
   Call: (204) [system] arg(_261164, v('(', ')', end_of_file), i)
   Fail: (204) [system] arg(_262096, v('(', ')', end_of_file), i)
^  Fail: (203) [user] is_delimiter(i)
   Call: (203) [system] ')'==i
   Fail: (203) [system] ')'==i
   Call: (203) [system] get_char((0x563acd73bee0), i)
   Exit: (203) [system] get_char((0x563acd73bee0), i)
   Call: (203) [system] i=(\)
   Fail: (203) [system] i=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _269446)
   Call: (204) [system] peek_char((0x563acd73bee0), _270380)
   Exit: (204) [system] peek_char((0x563acd73bee0), c)
^  Call: (204) [user] is_delimiter(c)
   Call: (205) [system] char_type(c, space)
   Fail: (205) [system] char_type(c, space)
   Call: (205) [system] arg(_275100, v('(', ')', end_of_file), c)
   Fail: (205) [system] arg(_276032, v('(', ')', end_of_file), c)
^  Fail: (204) [user] is_delimiter(c)
   Call: (204) [system] ')'==c
   Fail: (204) [system] ')'==c
   Call: (204) [system] get_char((0x563acd73bee0), c)
   Exit: (204) [system] get_char((0x563acd73bee0), c)
   Call: (204) [system] c=(\)
   Fail: (204) [system] c=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _283382)
   Call: (205) [system] peek_char((0x563acd73bee0), _284316)
   Exit: (205) [system] peek_char((0x563acd73bee0), a)
^  Call: (205) [user] is_delimiter(a)
   Call: (206) [system] char_type(a, space)
   Fail: (206) [system] char_type(a, space)
   Call: (206) [system] arg(_289036, v('(', ')', end_of_file), a)
   Fail: (206) [system] arg(_289968, v('(', ')', end_of_file), a)
^  Fail: (205) [user] is_delimiter(a)
   Call: (205) [system] ')'==a
   Fail: (205) [system] ')'==a
   Call: (205) [system] get_char((0x563acd73bee0), a)
   Exit: (205) [system] get_char((0x563acd73bee0), a)
   Call: (205) [system] a=(\)
   Fail: (205) [system] a=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _297318)
   Call: (206) [system] peek_char((0x563acd73bee0), _298252)
   Exit: (206) [system] peek_char((0x563acd73bee0), t)
^  Call: (206) [user] is_delimiter(t)
   Call: (207) [system] char_type(t, space)
   Fail: (207) [system] char_type(t, space)
   Call: (207) [system] arg(_302972, v('(', ')', end_of_file), t)
   Fail: (207) [system] arg(_303904, v('(', ')', end_of_file), t)
^  Fail: (206) [user] is_delimiter(t)
   Call: (206) [system] ')'==t
   Fail: (206) [system] ')'==t
   Call: (206) [system] get_char((0x563acd73bee0), t)
   Exit: (206) [system] get_char((0x563acd73bee0), t)
   Call: (206) [system] t=(\)
   Fail: (206) [system] t=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _311254)
   Call: (207) [system] peek_char((0x563acd73bee0), _312188)
   Exit: (207) [system] peek_char((0x563acd73bee0), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Fail: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_316908, v('(', ')', end_of_file), i)
   Fail: (208) [system] arg(_317840, v('(', ')', end_of_file), i)
^  Fail: (207) [user] is_delimiter(i)
   Call: (207) [system] ')'==i
   Fail: (207) [system] ')'==i
   Call: (207) [system] get_char((0x563acd73bee0), i)
   Exit: (207) [system] get_char((0x563acd73bee0), i)
   Call: (207) [system] i=(\)
   Fail: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _325190)
   Call: (208) [system] peek_char((0x563acd73bee0), _326124)
   Exit: (208) [system] peek_char((0x563acd73bee0), o)
^  Call: (208) [user] is_delimiter(o)
   Call: (209) [system] char_type(o, space)
   Fail: (209) [system] char_type(o, space)
   Call: (209) [system] arg(_330844, v('(', ')', end_of_file), o)
   Fail: (209) [system] arg(_331776, v('(', ')', end_of_file), o)
^  Fail: (208) [user] is_delimiter(o)
   Call: (208) [system] ')'==o
   Fail: (208) [system] ')'==o
   Call: (208) [system] get_char((0x563acd73bee0), o)
   Exit: (208) [system] get_char((0x563acd73bee0), o)
   Call: (208) [system] o=(\)
   Fail: (208) [system] o=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _339126)
   Call: (209) [system] peek_char((0x563acd73bee0), _340060)
   Exit: (209) [system] peek_char((0x563acd73bee0), n)
^  Call: (209) [user] is_delimiter(n)
   Call: (210) [system] char_type(n, space)
   Fail: (210) [system] char_type(n, space)
   Call: (210) [system] arg(_344780, v('(', ')', end_of_file), n)
   Fail: (210) [system] arg(_345712, v('(', ')', end_of_file), n)
^  Fail: (209) [user] is_delimiter(n)
   Call: (209) [system] ')'==n
   Fail: (209) [system] ')'==n
   Call: (209) [system] get_char((0x563acd73bee0), n)
   Exit: (209) [system] get_char((0x563acd73bee0), n)
   Call: (209) [system] n=(\)
   Fail: (209) [system] n=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _353062)
   Call: (210) [system] peek_char((0x563acd73bee0), _353996)
   Exit: (210) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _353062=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (209) [system] _339126=[n]
   Exit: (209) [system] [n]=[n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (208) [system] _325190=[o, n]
   Exit: (208) [system] [o, n]=[o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (207) [system] _311254=[i, o, n]
   Exit: (207) [system] [i, o, n]=[i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (206) [system] _297318=[t, i, o, n]
   Exit: (206) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (205) [system] _283382=[a, t, i, o, n]
   Exit: (205) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (204) [system] _269446=[c, a, t, i, o, n]
   Exit: (204) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (203) [system] _255510=[i, c, a, t, i, o, n]
   Exit: (203) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (202) [system] _241574=[l, i, c, a, t, i, o, n]
   Exit: (202) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (201) [system] _227638=[p, l, i, c, a, t, i, o, n]
   Exit: (201) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (200) [system] _213702=[m, p, l, i, c, a, t, i, o, n]
   Exit: (200) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (199) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _178192)
^  Call: (200) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _391220)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_392172, _392174), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _391220), _392154, fail)), '$restore_trace'(_392172, _392174))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_392172, _392174))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _391220), _392154, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(_391220)
   Fail: (201) [system] atomic(_391220)
   Call: (201) [system] atom_chars(_391220, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (201) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (200) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (200) [system] integer('Implication')
   Fail: (200) [system] integer('Implication')
   Call: (200) [system] _178192='Implication'
   Exit: (200) [system] 'Implication'='Implication'
^  Exit: (199) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (198) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (197) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _406170)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _408028)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x563acd73bee0), _417622)
   Exit: (199) [system] get_char((0x563acd73bee0), ' ')
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _420326)
   Exit: (200) [system] peek_char((0x563acd73bee0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _437260)
   Exit: (198) [system] peek_char((0x563acd73bee0), '(')
   Call: (198) [system] '('=')'
   Fail: (198) [system] '('=')'
   Call: (198) [system] '('=end_of_file
   Fail: (198) [system] '('=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x563acd73bee0), _442830)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _444688)
   Exit: (200) [system] peek_char((0x563acd73bee0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] get_char((0x563acd73bee0), _460698)
   Exit: (199) [system] get_char((0x563acd73bee0), '(')
   Call: (199) [system] '('='('
   Exit: (199) [system] '('='('
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _442830)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _466268)
   Exit: (201) [system] peek_char((0x563acd73bee0), 'A')
   Call: (201) [system] 'A'=(;)
   Fail: (201) [system] 'A'=(;)
   Call: (201) [system] 'A'=(/)
   Fail: (201) [system] 'A'=(/)
^  Call: (201) [user] is_like_space('A')
   Call: (202) [system] char_type('A', 'white')
   Fail: (202) [system] char_type('A', 'white')
   Call: (202) [system] char_type('A', end_of_line)
   Fail: (202) [system] char_type('A', end_of_line)
   Call: (202) [system] char_type('A', space)
   Fail: (202) [system] char_type('A', space)
   Call: (202) [system] char_type('A', cntrl)
   Fail: (202) [system] char_type('A', cntrl)
^  Fail: (201) [user] is_like_space('A')
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _482278)
   Exit: (200) [system] peek_char((0x563acd73bee0), 'A')
   Call: (200) [system] 'A'=')'
   Fail: (200) [system] 'A'=')'
   Call: (200) [system] 'A'=end_of_file
   Fail: (200) [system] 'A'=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x563acd73bee0), _487848)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _489706)
   Exit: (202) [system] peek_char((0x563acd73bee0), 'A')
   Call: (202) [system] 'A'=(;)
   Fail: (202) [system] 'A'=(;)
   Call: (202) [system] 'A'=(/)
   Fail: (202) [system] 'A'=(/)
^  Call: (202) [user] is_like_space('A')
   Call: (203) [system] char_type('A', 'white')
   Fail: (203) [system] char_type('A', 'white')
   Call: (203) [system] char_type('A', end_of_line)
   Fail: (203) [system] char_type('A', end_of_line)
   Call: (203) [system] char_type('A', space)
   Fail: (203) [system] char_type('A', space)
   Call: (203) [system] char_type('A', cntrl)
   Fail: (203) [system] char_type('A', cntrl)
^  Fail: (202) [user] is_like_space('A')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] get_char((0x563acd73bee0), _505716)
   Exit: (201) [system] get_char((0x563acd73bee0), 'A')
   Call: (201) [system] 'A'='('
   Fail: (201) [system] 'A'='('
   Call: (201) [system] 'A'='['
   Fail: (201) [system] 'A'='['
   Call: (201) [system] 'A'='{'
   Fail: (201) [system] 'A'='{'
   Call: (201) [system] 'A'='"'
   Fail: (201) [system] 'A'='"'
   Call: (201) [system] 'A'=!
   Fail: (201) [system] 'A'=!
   Call: (201) [system] 'A'='\''
   Fail: (201) [system] 'A'='\''
   Call: (201) [system] 'A'='`'
   Fail: (201) [system] 'A'='`'
   Call: (201) [system] 'A'=end_of_file
   Fail: (201) [system] 'A'=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x563acd73bee0), 'A', _487848)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _523358)
   Call: (203) [system] peek_char((0x563acd73bee0), _524292)
   Exit: (203) [system] peek_char((0x563acd73bee0), n)
^  Call: (203) [user] is_delimiter(n)
   Call: (204) [system] char_type(n, space)
   Fail: (204) [system] char_type(n, space)
   Call: (204) [system] arg(_529012, v('(', ')', end_of_file), n)
   Fail: (204) [system] arg(_529944, v('(', ')', end_of_file), n)
^  Fail: (203) [user] is_delimiter(n)
   Call: (203) [system] ')'==n
   Fail: (203) [system] ')'==n
   Call: (203) [system] get_char((0x563acd73bee0), n)
   Exit: (203) [system] get_char((0x563acd73bee0), n)
   Call: (203) [system] n=(\)
   Fail: (203) [system] n=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _537294)
   Call: (204) [system] peek_char((0x563acd73bee0), _538228)
   Exit: (204) [system] peek_char((0x563acd73bee0), d)
^  Call: (204) [user] is_delimiter(d)
   Call: (205) [system] char_type(d, space)
   Fail: (205) [system] char_type(d, space)
   Call: (205) [system] arg(_542948, v('(', ')', end_of_file), d)
   Fail: (205) [system] arg(_543880, v('(', ')', end_of_file), d)
^  Fail: (204) [user] is_delimiter(d)
   Call: (204) [system] ')'==d
   Fail: (204) [system] ')'==d
   Call: (204) [system] get_char((0x563acd73bee0), d)
   Exit: (204) [system] get_char((0x563acd73bee0), d)
   Call: (204) [system] d=(\)
   Fail: (204) [system] d=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _551230)
   Call: (205) [system] peek_char((0x563acd73bee0), _552164)
   Exit: (205) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (205) [user] is_delimiter('L')
   Call: (206) [system] char_type('L', space)
   Fail: (206) [system] char_type('L', space)
   Call: (206) [system] arg(_556884, v('(', ')', end_of_file), 'L')
   Fail: (206) [system] arg(_557816, v('(', ')', end_of_file), 'L')
^  Fail: (205) [user] is_delimiter('L')
   Call: (205) [system] ')'=='L'
   Fail: (205) [system] ')'=='L'
   Call: (205) [system] get_char((0x563acd73bee0), 'L')
   Exit: (205) [system] get_char((0x563acd73bee0), 'L')
   Call: (205) [system] 'L'=(\)
   Fail: (205) [system] 'L'=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _565166)
   Call: (206) [system] peek_char((0x563acd73bee0), _566100)
   Exit: (206) [system] peek_char((0x563acd73bee0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_570820, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_571752, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x563acd73bee0), i)
   Exit: (206) [system] get_char((0x563acd73bee0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _579102)
   Call: (207) [system] peek_char((0x563acd73bee0), _580036)
   Exit: (207) [system] peek_char((0x563acd73bee0), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Fail: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_584756, v('(', ')', end_of_file), n)
   Fail: (208) [system] arg(_585688, v('(', ')', end_of_file), n)
^  Fail: (207) [user] is_delimiter(n)
   Call: (207) [system] ')'==n
   Fail: (207) [system] ')'==n
   Call: (207) [system] get_char((0x563acd73bee0), n)
   Exit: (207) [system] get_char((0x563acd73bee0), n)
   Call: (207) [system] n=(\)
   Fail: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _593038)
   Call: (208) [system] peek_char((0x563acd73bee0), _593972)
   Exit: (208) [system] peek_char((0x563acd73bee0), k)
^  Call: (208) [user] is_delimiter(k)
   Call: (209) [system] char_type(k, space)
   Fail: (209) [system] char_type(k, space)
   Call: (209) [system] arg(_598692, v('(', ')', end_of_file), k)
   Fail: (209) [system] arg(_599624, v('(', ')', end_of_file), k)
^  Fail: (208) [user] is_delimiter(k)
   Call: (208) [system] ')'==k
   Fail: (208) [system] ')'==k
   Call: (208) [system] get_char((0x563acd73bee0), k)
   Exit: (208) [system] get_char((0x563acd73bee0), k)
   Call: (208) [system] k=(\)
   Fail: (208) [system] k=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _606974)
   Call: (209) [system] peek_char((0x563acd73bee0), _607908)
   Exit: (209) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _606974=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (208) [system] _593038=[k]
   Exit: (208) [system] [k]=[k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (207) [system] _579102=[n, k]
   Exit: (207) [system] [n, k]=[n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (206) [system] _565166=[i, n, k]
   Exit: (206) [system] [i, n, k]=[i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (205) [system] _551230=['L', i, n, k]
   Exit: (205) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (204) [system] _537294=[d, 'L', i, n, k]
   Exit: (204) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, 'L', i, n, k])
   Call: (203) [system] _523358=[n, d, 'L', i, n, k]
   Exit: (203) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, d, 'L', i, n, k])
^  Call: (202) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _487848)
^  Call: (203) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _633956)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_634908, _634910), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _633956), _634890, fail)), '$restore_trace'(_634908, _634910))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_634908, _634910))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _633956), _634890, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(_633956)
   Fail: (204) [system] atomic(_633956)
   Call: (204) [system] atom_chars(_633956, ['A', n, d, 'L', i, n, k])
   Exit: (204) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (203) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (203) [system] integer('AndLink')
   Fail: (203) [system] integer('AndLink')
   Call: (203) [system] _487848='AndLink'
   Exit: (203) [system] 'AndLink'='AndLink'
^  Exit: (202) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (201) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'AndLink')
^  Exit: (200) [user] cont_sexpr(')', (0x563acd73bee0), 'AndLink')
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _648906)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _650764)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x563acd73bee0), _660358)
   Exit: (202) [system] get_char((0x563acd73bee0), ' ')
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _663062)
   Exit: (203) [system] peek_char((0x563acd73bee0), 'A')
   Call: (203) [system] 'A'=(;)
   Fail: (203) [system] 'A'=(;)
   Call: (203) [system] 'A'=(/)
   Fail: (203) [system] 'A'=(/)
^  Call: (203) [user] is_like_space('A')
   Call: (204) [system] char_type('A', 'white')
   Fail: (204) [system] char_type('A', 'white')
   Call: (204) [system] char_type('A', end_of_line)
   Fail: (204) [system] char_type('A', end_of_line)
   Call: (204) [system] char_type('A', space)
   Fail: (204) [system] char_type('A', space)
   Call: (204) [system] char_type('A', cntrl)
   Fail: (204) [system] char_type('A', cntrl)
^  Fail: (203) [user] is_like_space('A')
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _679996)
   Exit: (201) [system] peek_char((0x563acd73bee0), 'A')
   Call: (201) [system] 'A'=')'
   Fail: (201) [system] 'A'=')'
   Call: (201) [system] 'A'=end_of_file
   Fail: (201) [system] 'A'=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x563acd73bee0), _685566)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _687424)
   Exit: (203) [system] peek_char((0x563acd73bee0), 'A')
   Call: (203) [system] 'A'=(;)
   Fail: (203) [system] 'A'=(;)
   Call: (203) [system] 'A'=(/)
   Fail: (203) [system] 'A'=(/)
^  Call: (203) [user] is_like_space('A')
   Call: (204) [system] char_type('A', 'white')
   Fail: (204) [system] char_type('A', 'white')
   Call: (204) [system] char_type('A', end_of_line)
   Fail: (204) [system] char_type('A', end_of_line)
   Call: (204) [system] char_type('A', space)
   Fail: (204) [system] char_type('A', space)
   Call: (204) [system] char_type('A', cntrl)
   Fail: (204) [system] char_type('A', cntrl)
^  Fail: (203) [user] is_like_space('A')
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] get_char((0x563acd73bee0), _703434)
   Exit: (202) [system] get_char((0x563acd73bee0), 'A')
   Call: (202) [system] 'A'='('
   Fail: (202) [system] 'A'='('
   Call: (202) [system] 'A'='['
   Fail: (202) [system] 'A'='['
   Call: (202) [system] 'A'='{'
   Fail: (202) [system] 'A'='{'
   Call: (202) [system] 'A'='"'
   Fail: (202) [system] 'A'='"'
   Call: (202) [system] 'A'=!
   Fail: (202) [system] 'A'=!
   Call: (202) [system] 'A'='\''
   Fail: (202) [system] 'A'='\''
   Call: (202) [system] 'A'='`'
   Fail: (202) [system] 'A'='`'
   Call: (202) [system] 'A'=end_of_file
   Fail: (202) [system] 'A'=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x563acd73bee0), 'A', _685566)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _721076)
   Call: (204) [system] peek_char((0x563acd73bee0), _722010)
   Exit: (204) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _721076=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (203) [user] classify_and_convert_charseq(['A'], _685566)
^  Call: (204) [user] classify_and_convert_charseq_(['A'], _731294)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_732246, _732248), once(user:catch(read_from_chars(['A'], _731294), _732228, fail)), '$restore_trace'(_732246, _732248))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_732246, _732248))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _731294), _732228, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(_731294)
   Fail: (205) [system] atomic(_731294)
   Call: (205) [system] atom_chars(_731294, ['A'])
   Exit: (205) [system] atom_chars('A', ['A'])
^  Exit: (204) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (204) [system] integer('A')
   Fail: (204) [system] integer('A')
   Call: (204) [system] _685566='A'
   Exit: (204) [system] 'A'='A'
^  Exit: (203) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (202) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (201) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (201) [user] read_list(')', (0x563acd73bee0), _746244)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _748102)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x563acd73bee0), _757696)
   Exit: (203) [system] get_char((0x563acd73bee0), ' ')
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _760400)
   Exit: (204) [system] peek_char((0x563acd73bee0), 'B')
   Call: (204) [system] 'B'=(;)
   Fail: (204) [system] 'B'=(;)
   Call: (204) [system] 'B'=(/)
   Fail: (204) [system] 'B'=(/)
^  Call: (204) [user] is_like_space('B')
   Call: (205) [system] char_type('B', 'white')
   Fail: (205) [system] char_type('B', 'white')
   Call: (205) [system] char_type('B', end_of_line)
   Fail: (205) [system] char_type('B', end_of_line)
   Call: (205) [system] char_type('B', space)
   Fail: (205) [system] char_type('B', space)
   Call: (205) [system] char_type('B', cntrl)
   Fail: (205) [system] char_type('B', cntrl)
^  Fail: (204) [user] is_like_space('B')
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _777334)
   Exit: (202) [system] peek_char((0x563acd73bee0), 'B')
   Call: (202) [system] 'B'=')'
   Fail: (202) [system] 'B'=')'
   Call: (202) [system] 'B'=end_of_file
   Fail: (202) [system] 'B'=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x563acd73bee0), _782904)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _784762)
   Exit: (204) [system] peek_char((0x563acd73bee0), 'B')
   Call: (204) [system] 'B'=(;)
   Fail: (204) [system] 'B'=(;)
   Call: (204) [system] 'B'=(/)
   Fail: (204) [system] 'B'=(/)
^  Call: (204) [user] is_like_space('B')
   Call: (205) [system] char_type('B', 'white')
   Fail: (205) [system] char_type('B', 'white')
   Call: (205) [system] char_type('B', end_of_line)
   Fail: (205) [system] char_type('B', end_of_line)
   Call: (205) [system] char_type('B', space)
   Fail: (205) [system] char_type('B', space)
   Call: (205) [system] char_type('B', cntrl)
   Fail: (205) [system] char_type('B', cntrl)
^  Fail: (204) [user] is_like_space('B')
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] get_char((0x563acd73bee0), _800772)
   Exit: (203) [system] get_char((0x563acd73bee0), 'B')
   Call: (203) [system] 'B'='('
   Fail: (203) [system] 'B'='('
   Call: (203) [system] 'B'='['
   Fail: (203) [system] 'B'='['
   Call: (203) [system] 'B'='{'
   Fail: (203) [system] 'B'='{'
   Call: (203) [system] 'B'='"'
   Fail: (203) [system] 'B'='"'
   Call: (203) [system] 'B'=!
   Fail: (203) [system] 'B'=!
   Call: (203) [system] 'B'='\''
   Fail: (203) [system] 'B'='\''
   Call: (203) [system] 'B'='`'
   Fail: (203) [system] 'B'='`'
   Call: (203) [system] 'B'=end_of_file
   Fail: (203) [system] 'B'=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x563acd73bee0), 'B', _782904)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _818414)
   Call: (205) [system] peek_char((0x563acd73bee0), _819348)
   Exit: (205) [system] peek_char((0x563acd73bee0), ')')
^  Call: (205) [user] is_delimiter(')')
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] arg(_824068, v('(', ')', end_of_file), ')')
   Exit: (206) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (205) [user] is_delimiter(')')
   Call: (205) [system] _818414=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (204) [user] classify_and_convert_charseq(['B'], _782904)
^  Call: (205) [user] classify_and_convert_charseq_(['B'], _830504)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_831456, _831458), once(user:catch(read_from_chars(['B'], _830504), _831438, fail)), '$restore_trace'(_831456, _831458))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_831456, _831458))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _830504), _831438, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(_830504)
   Fail: (206) [system] atomic(_830504)
   Call: (206) [system] atom_chars(_830504, ['B'])
   Exit: (206) [system] atom_chars('B', ['B'])
^  Exit: (205) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (205) [system] integer('B')
   Fail: (205) [system] integer('B')
   Call: (205) [system] _782904='B'
   Exit: (205) [system] 'B'='B'
^  Exit: (204) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (203) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (202) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (202) [user] read_list(')', (0x563acd73bee0), _845454)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _847312)
   Exit: (204) [system] peek_char((0x563acd73bee0), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
   Call: (204) [system] ')'=(/)
   Fail: (204) [system] ')'=(/)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _863322)
   Exit: (203) [system] peek_char((0x563acd73bee0), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x563acd73bee0), _867112)
   Exit: (203) [system] get_char((0x563acd73bee0), ')')
   Call: (203) [system] _845454=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x563acd73bee0), [])
   Call: (202) [system] _746244=['B']
   Exit: (202) [system] ['B']=['B']
^  Exit: (201) [user] read_list(')', (0x563acd73bee0), ['B'])
   Call: (201) [system] _648906=['A', 'B']
   Exit: (201) [system] ['A', 'B']=['A', 'B']
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), ['A', 'B'])
   Call: (200) [system] _442830=['AndLink', 'A', 'B']
   Exit: (200) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Exit: (198) [user] cont_sexpr(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _880994)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _882852)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x563acd73bee0), _892446)
   Exit: (200) [system] get_char((0x563acd73bee0), ' ')
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _895150)
   Exit: (201) [system] peek_char((0x563acd73bee0), 'C')
   Call: (201) [system] 'C'=(;)
   Fail: (201) [system] 'C'=(;)
   Call: (201) [system] 'C'=(/)
   Fail: (201) [system] 'C'=(/)
^  Call: (201) [user] is_like_space('C')
   Call: (202) [system] char_type('C', 'white')
   Fail: (202) [system] char_type('C', 'white')
   Call: (202) [system] char_type('C', end_of_line)
   Fail: (202) [system] char_type('C', end_of_line)
   Call: (202) [system] char_type('C', space)
   Fail: (202) [system] char_type('C', space)
   Call: (202) [system] char_type('C', cntrl)
   Fail: (202) [system] char_type('C', cntrl)
^  Fail: (201) [user] is_like_space('C')
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _912084)
   Exit: (199) [system] peek_char((0x563acd73bee0), 'C')
   Call: (199) [system] 'C'=')'
   Fail: (199) [system] 'C'=')'
   Call: (199) [system] 'C'=end_of_file
   Fail: (199) [system] 'C'=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x563acd73bee0), _917654)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _919512)
   Exit: (201) [system] peek_char((0x563acd73bee0), 'C')
   Call: (201) [system] 'C'=(;)
   Fail: (201) [system] 'C'=(;)
   Call: (201) [system] 'C'=(/)
   Fail: (201) [system] 'C'=(/)
^  Call: (201) [user] is_like_space('C')
   Call: (202) [system] char_type('C', 'white')
   Fail: (202) [system] char_type('C', 'white')
   Call: (202) [system] char_type('C', end_of_line)
   Fail: (202) [system] char_type('C', end_of_line)
   Call: (202) [system] char_type('C', space)
   Fail: (202) [system] char_type('C', space)
   Call: (202) [system] char_type('C', cntrl)
   Fail: (202) [system] char_type('C', cntrl)
^  Fail: (201) [user] is_like_space('C')
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] get_char((0x563acd73bee0), _935522)
   Exit: (200) [system] get_char((0x563acd73bee0), 'C')
   Call: (200) [system] 'C'='('
   Fail: (200) [system] 'C'='('
   Call: (200) [system] 'C'='['
   Fail: (200) [system] 'C'='['
   Call: (200) [system] 'C'='{'
   Fail: (200) [system] 'C'='{'
   Call: (200) [system] 'C'='"'
   Fail: (200) [system] 'C'='"'
   Call: (200) [system] 'C'=!
   Fail: (200) [system] 'C'=!
   Call: (200) [system] 'C'='\''
   Fail: (200) [system] 'C'='\''
   Call: (200) [system] 'C'='`'
   Fail: (200) [system] 'C'='`'
   Call: (200) [system] 'C'=end_of_file
   Fail: (200) [system] 'C'=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x563acd73bee0), 'C', _917654)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _953164)
   Call: (202) [system] peek_char((0x563acd73bee0), _954098)
   Exit: (202) [system] peek_char((0x563acd73bee0), ')')
^  Call: (202) [user] is_delimiter(')')
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] arg(_958818, v('(', ')', end_of_file), ')')
   Exit: (203) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (202) [user] is_delimiter(')')
   Call: (202) [system] _953164=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (201) [user] classify_and_convert_charseq(['C'], _917654)
^  Call: (202) [user] classify_and_convert_charseq_(['C'], _965254)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_966206, _966208), once(user:catch(read_from_chars(['C'], _965254), _966188, fail)), '$restore_trace'(_966206, _966208))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_966206, _966208))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _965254), _966188, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(_965254)
   Fail: (203) [system] atomic(_965254)
   Call: (203) [system] atom_chars(_965254, ['C'])
   Exit: (203) [system] atom_chars('C', ['C'])
^  Exit: (202) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (202) [system] integer('C')
   Fail: (202) [system] integer('C')
   Call: (202) [system] _917654='C'
   Exit: (202) [system] 'C'='C'
^  Exit: (201) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (200) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (199) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _980204)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _982062)
   Exit: (201) [system] peek_char((0x563acd73bee0), ')')
   Call: (201) [system] ')'=(;)
   Fail: (201) [system] ')'=(;)
   Call: (201) [system] ')'=(/)
   Fail: (201) [system] ')'=(/)
^  Call: (201) [user] is_like_space(')')
   Call: (202) [system] char_type(')', 'white')
   Fail: (202) [system] char_type(')', 'white')
   Call: (202) [system] char_type(')', end_of_line)
   Fail: (202) [system] char_type(')', end_of_line)
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] char_type(')', cntrl)
   Fail: (202) [system] char_type(')', cntrl)
^  Fail: (201) [user] is_like_space(')')
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _998072)
   Exit: (200) [system] peek_char((0x563acd73bee0), ')')
   Call: (200) [system] ')'=')'
   Exit: (200) [system] ')'=')'
   Call: (200) [system] get_char((0x563acd73bee0), _1001862)
   Exit: (200) [system] get_char((0x563acd73bee0), ')')
   Call: (200) [system] _980204=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), [])
   Call: (199) [system] _880994=['C']
   Exit: (199) [system] ['C']=['C']
^  Exit: (198) [user] read_list(')', (0x563acd73bee0), ['C'])
   Call: (198) [system] _406170=[['AndLink', 'A', 'B'], 'C']
   Exit: (198) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (197) [user] read_list(')', (0x563acd73bee0), [['AndLink', 'A', 'B'], 'C'])
   Call: (197) [system] _133174=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (197) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (196) [user] read_list(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (195) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _1015744)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1017602)
   Exit: (197) [system] peek_char((0x563acd73bee0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1033612)
   Exit: (196) [system] peek_char((0x563acd73bee0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x563acd73bee0), _1037402)
   Exit: (196) [system] get_char((0x563acd73bee0), ')')
   Call: (196) [system] _1015744=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), [])
   Call: (195) [system] _96514=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (195) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (194) [system] _3496=[abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (194) [system] [abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]=[abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), [abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (193) [system] _3488=[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (193) [system] [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]=[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (191) [user] cont_sexpr(')', (0x563acd73bee0), [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (191) [user] read_list(')', (0x563acd73bee0), _1051284)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1053142)
   Exit: (193) [system] peek_char((0x563acd73bee0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x563acd73bee0), _1062736)
   Exit: (193) [system] get_char((0x563acd73bee0), ' ')
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1065440)
   Exit: (194) [system] peek_char((0x563acd73bee0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1082374)
   Exit: (192) [system] peek_char((0x563acd73bee0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x563acd73bee0), _1087944)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1089802)
   Exit: (194) [system] peek_char((0x563acd73bee0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] get_char((0x563acd73bee0), _1105812)
   Exit: (193) [system] get_char((0x563acd73bee0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _1087944)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1111382)
   Exit: (195) [system] peek_char((0x563acd73bee0), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
   Call: (195) [system] (:)=(/)
   Fail: (195) [system] (:)=(/)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1127392)
   Exit: (194) [system] peek_char((0x563acd73bee0), :)
   Call: (194) [system] (:)=')'
   Fail: (194) [system] (:)=')'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x563acd73bee0), _1132962)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1134820)
   Exit: (196) [system] peek_char((0x563acd73bee0), :)
   Call: (196) [system] (:)=(;)
   Fail: (196) [system] (:)=(;)
   Call: (196) [system] (:)=(/)
   Fail: (196) [system] (:)=(/)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Fail: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Fail: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Fail: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
   Fail: (197) [system] char_type(:, cntrl)
^  Fail: (196) [user] is_like_space(:)
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] get_char((0x563acd73bee0), _1150830)
   Exit: (195) [system] get_char((0x563acd73bee0), :)
   Call: (195) [system] (:)='('
   Fail: (195) [system] (:)='('
   Call: (195) [system] (:)='['
   Fail: (195) [system] (:)='['
   Call: (195) [system] (:)='{'
   Fail: (195) [system] (:)='{'
   Call: (195) [system] (:)='"'
   Fail: (195) [system] (:)='"'
   Call: (195) [system] (:)=!
   Fail: (195) [system] (:)=!
   Call: (195) [system] (:)='\''
   Fail: (195) [system] (:)='\''
   Call: (195) [system] (:)='`'
   Fail: (195) [system] (:)='`'
   Call: (195) [system] (:)=end_of_file
   Fail: (195) [system] (:)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x563acd73bee0), :, _1132962)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _1168472)
   Call: (197) [system] peek_char((0x563acd73bee0), _1169406)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _1168472=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (196) [user] classify_and_convert_charseq([:], _1132962)
^  Call: (197) [user] classify_and_convert_charseq_([:], _1178690)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_1179642, _1179644), once(user:catch(read_from_chars([:], _1178690), _1179624, fail)), '$restore_trace'(_1179642, _1179644))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_1179642, _1179644))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1179624, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(:)
   Exit: (198) [system] atomic(:)
^  Exit: (197) [user] classify_and_convert_charseq_([:], :)
   Call: (197) [system] integer(:)
   Fail: (197) [system] integer(:)
   Call: (197) [system] _1132962=(:)
   Exit: (197) [system] (:)=(:)
^  Exit: (196) [user] classify_and_convert_charseq([:], :)
^  Exit: (195) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (194) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _1191770)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1193628)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x563acd73bee0), _1203222)
   Exit: (196) [system] get_char((0x563acd73bee0), ' ')
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1205926)
   Exit: (197) [system] peek_char((0x563acd73bee0), c)
   Call: (197) [system] c=(;)
   Fail: (197) [system] c=(;)
   Call: (197) [system] c=(/)
   Fail: (197) [system] c=(/)
^  Call: (197) [user] is_like_space(c)
   Call: (198) [system] char_type(c, 'white')
   Fail: (198) [system] char_type(c, 'white')
   Call: (198) [system] char_type(c, end_of_line)
   Fail: (198) [system] char_type(c, end_of_line)
   Call: (198) [system] char_type(c, space)
   Fail: (198) [system] char_type(c, space)
   Call: (198) [system] char_type(c, cntrl)
   Fail: (198) [system] char_type(c, cntrl)
^  Fail: (197) [user] is_like_space(c)
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1222860)
   Exit: (195) [system] peek_char((0x563acd73bee0), c)
   Call: (195) [system] c=')'
   Fail: (195) [system] c=')'
   Call: (195) [system] c=end_of_file
   Fail: (195) [system] c=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x563acd73bee0), _1228430)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1230288)
   Exit: (197) [system] peek_char((0x563acd73bee0), c)
   Call: (197) [system] c=(;)
   Fail: (197) [system] c=(;)
   Call: (197) [system] c=(/)
   Fail: (197) [system] c=(/)
^  Call: (197) [user] is_like_space(c)
   Call: (198) [system] char_type(c, 'white')
   Fail: (198) [system] char_type(c, 'white')
   Call: (198) [system] char_type(c, end_of_line)
   Fail: (198) [system] char_type(c, end_of_line)
   Call: (198) [system] char_type(c, space)
   Fail: (198) [system] char_type(c, space)
   Call: (198) [system] char_type(c, cntrl)
   Fail: (198) [system] char_type(c, cntrl)
^  Fail: (197) [user] is_like_space(c)
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] get_char((0x563acd73bee0), _1246298)
   Exit: (196) [system] get_char((0x563acd73bee0), c)
   Call: (196) [system] c='('
   Fail: (196) [system] c='('
   Call: (196) [system] c='['
   Fail: (196) [system] c='['
   Call: (196) [system] c='{'
   Fail: (196) [system] c='{'
   Call: (196) [system] c='"'
   Fail: (196) [system] c='"'
   Call: (196) [system] c=!
   Fail: (196) [system] c=!
   Call: (196) [system] c='\''
   Fail: (196) [system] c='\''
   Call: (196) [system] c='`'
   Fail: (196) [system] c='`'
   Call: (196) [system] c=end_of_file
   Fail: (196) [system] c=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x563acd73bee0), c, _1228430)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _1263940)
   Call: (198) [system] peek_char((0x563acd73bee0), _1264874)
   Exit: (198) [system] peek_char((0x563acd73bee0), d)
^  Call: (198) [user] is_delimiter(d)
   Call: (199) [system] char_type(d, space)
   Fail: (199) [system] char_type(d, space)
   Call: (199) [system] arg(_1269594, v('(', ')', end_of_file), d)
   Fail: (199) [system] arg(_1270526, v('(', ')', end_of_file), d)
^  Fail: (198) [user] is_delimiter(d)
   Call: (198) [system] ')'==d
   Fail: (198) [system] ')'==d
   Call: (198) [system] get_char((0x563acd73bee0), d)
   Exit: (198) [system] get_char((0x563acd73bee0), d)
   Call: (198) [system] d=(\)
   Fail: (198) [system] d=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _1277876)
   Call: (199) [system] peek_char((0x563acd73bee0), _1278810)
   Exit: (199) [system] peek_char((0x563acd73bee0), e)
^  Call: (199) [user] is_delimiter(e)
   Call: (200) [system] char_type(e, space)
   Fail: (200) [system] char_type(e, space)
   Call: (200) [system] arg(_1283530, v('(', ')', end_of_file), e)
   Fail: (200) [system] arg(_1284462, v('(', ')', end_of_file), e)
^  Fail: (199) [user] is_delimiter(e)
   Call: (199) [system] ')'==e
   Fail: (199) [system] ')'==e
   Call: (199) [system] get_char((0x563acd73bee0), e)
   Exit: (199) [system] get_char((0x563acd73bee0), e)
   Call: (199) [system] e=(\)
   Fail: (199) [system] e=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _1291812)
   Call: (200) [system] peek_char((0x563acd73bee0), _1292746)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _1291812=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (199) [system] _1277876=[e]
   Exit: (199) [system] [e]=[e]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [e])
   Call: (198) [system] _1263940=[d, e]
   Exit: (198) [system] [d, e]=[d, e]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, e])
^  Call: (197) [user] classify_and_convert_charseq([c, d, e], _1228430)
^  Call: (198) [user] classify_and_convert_charseq_([c, d, e], _1307618)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_1308570, _1308572), once(user:catch(read_from_chars([c, d, e], _1307618), _1308552, fail)), '$restore_trace'(_1308570, _1308572))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_1308570, _1308572))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1308552, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(cde)
   Exit: (199) [system] atomic(cde)
^  Exit: (198) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (198) [system] integer(cde)
   Fail: (198) [system] integer(cde)
   Call: (198) [system] _1228430=cde
   Exit: (198) [system] cde=cde
^  Exit: (197) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (196) [user] read_symbolic(')', (0x563acd73bee0), c, cde)
^  Exit: (195) [user] cont_sexpr(')', (0x563acd73bee0), cde)
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _1320698)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1322556)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x563acd73bee0), _1332150)
   Exit: (197) [system] get_char((0x563acd73bee0), ' ')
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1334854)
   Exit: (198) [system] peek_char((0x563acd73bee0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1351788)
   Exit: (196) [system] peek_char((0x563acd73bee0), '(')
   Call: (196) [system] '('=')'
   Fail: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
   Fail: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x563acd73bee0), _1357358)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1359216)
   Exit: (198) [system] peek_char((0x563acd73bee0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] get_char((0x563acd73bee0), _1375226)
   Exit: (197) [system] get_char((0x563acd73bee0), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _1357358)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1380796)
   Exit: (199) [system] peek_char((0x563acd73bee0), 'I')
   Call: (199) [system] 'I'=(;)
   Fail: (199) [system] 'I'=(;)
   Call: (199) [system] 'I'=(/)
   Fail: (199) [system] 'I'=(/)
^  Call: (199) [user] is_like_space('I')
   Call: (200) [system] char_type('I', 'white')
   Fail: (200) [system] char_type('I', 'white')
   Call: (200) [system] char_type('I', end_of_line)
   Fail: (200) [system] char_type('I', end_of_line)
   Call: (200) [system] char_type('I', space)
   Fail: (200) [system] char_type('I', space)
   Call: (200) [system] char_type('I', cntrl)
   Fail: (200) [system] char_type('I', cntrl)
^  Fail: (199) [user] is_like_space('I')
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1396806)
   Exit: (198) [system] peek_char((0x563acd73bee0), 'I')
   Call: (198) [system] 'I'=')'
   Fail: (198) [system] 'I'=')'
   Call: (198) [system] 'I'=end_of_file
   Fail: (198) [system] 'I'=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x563acd73bee0), _1402376)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1404234)
   Exit: (200) [system] peek_char((0x563acd73bee0), 'I')
   Call: (200) [system] 'I'=(;)
   Fail: (200) [system] 'I'=(;)
   Call: (200) [system] 'I'=(/)
   Fail: (200) [system] 'I'=(/)
^  Call: (200) [user] is_like_space('I')
   Call: (201) [system] char_type('I', 'white')
   Fail: (201) [system] char_type('I', 'white')
   Call: (201) [system] char_type('I', end_of_line)
   Fail: (201) [system] char_type('I', end_of_line)
   Call: (201) [system] char_type('I', space)
   Fail: (201) [system] char_type('I', space)
   Call: (201) [system] char_type('I', cntrl)
   Fail: (201) [system] char_type('I', cntrl)
^  Fail: (200) [user] is_like_space('I')
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] get_char((0x563acd73bee0), _1420244)
   Exit: (199) [system] get_char((0x563acd73bee0), 'I')
   Call: (199) [system] 'I'='('
   Fail: (199) [system] 'I'='('
   Call: (199) [system] 'I'='['
   Fail: (199) [system] 'I'='['
   Call: (199) [system] 'I'='{'
   Fail: (199) [system] 'I'='{'
   Call: (199) [system] 'I'='"'
   Fail: (199) [system] 'I'='"'
   Call: (199) [system] 'I'=!
   Fail: (199) [system] 'I'=!
   Call: (199) [system] 'I'='\''
   Fail: (199) [system] 'I'='\''
   Call: (199) [system] 'I'='`'
   Fail: (199) [system] 'I'='`'
   Call: (199) [system] 'I'=end_of_file
   Fail: (199) [system] 'I'=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x563acd73bee0), 'I', _1402376)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _1437886)
   Call: (201) [system] peek_char((0x563acd73bee0), _1438820)
   Exit: (201) [system] peek_char((0x563acd73bee0), m)
^  Call: (201) [user] is_delimiter(m)
   Call: (202) [system] char_type(m, space)
   Fail: (202) [system] char_type(m, space)
   Call: (202) [system] arg(_1443540, v('(', ')', end_of_file), m)
   Fail: (202) [system] arg(_1444472, v('(', ')', end_of_file), m)
^  Fail: (201) [user] is_delimiter(m)
   Call: (201) [system] ')'==m
   Fail: (201) [system] ')'==m
   Call: (201) [system] get_char((0x563acd73bee0), m)
   Exit: (201) [system] get_char((0x563acd73bee0), m)
   Call: (201) [system] m=(\)
   Fail: (201) [system] m=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _1451822)
   Call: (202) [system] peek_char((0x563acd73bee0), _1452756)
   Exit: (202) [system] peek_char((0x563acd73bee0), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Fail: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_1457476, v('(', ')', end_of_file), p)
   Fail: (203) [system] arg(_1458408, v('(', ')', end_of_file), p)
^  Fail: (202) [user] is_delimiter(p)
   Call: (202) [system] ')'==p
   Fail: (202) [system] ')'==p
   Call: (202) [system] get_char((0x563acd73bee0), p)
   Exit: (202) [system] get_char((0x563acd73bee0), p)
   Call: (202) [system] p=(\)
   Fail: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1465758)
   Call: (203) [system] peek_char((0x563acd73bee0), _1466692)
   Exit: (203) [system] peek_char((0x563acd73bee0), l)
^  Call: (203) [user] is_delimiter(l)
   Call: (204) [system] char_type(l, space)
   Fail: (204) [system] char_type(l, space)
   Call: (204) [system] arg(_1471412, v('(', ')', end_of_file), l)
   Fail: (204) [system] arg(_1472344, v('(', ')', end_of_file), l)
^  Fail: (203) [user] is_delimiter(l)
   Call: (203) [system] ')'==l
   Fail: (203) [system] ')'==l
   Call: (203) [system] get_char((0x563acd73bee0), l)
   Exit: (203) [system] get_char((0x563acd73bee0), l)
   Call: (203) [system] l=(\)
   Fail: (203) [system] l=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1479694)
   Call: (204) [system] peek_char((0x563acd73bee0), _1480628)
   Exit: (204) [system] peek_char((0x563acd73bee0), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Fail: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_1485348, v('(', ')', end_of_file), i)
   Fail: (205) [system] arg(_1486280, v('(', ')', end_of_file), i)
^  Fail: (204) [user] is_delimiter(i)
   Call: (204) [system] ')'==i
   Fail: (204) [system] ')'==i
   Call: (204) [system] get_char((0x563acd73bee0), i)
   Exit: (204) [system] get_char((0x563acd73bee0), i)
   Call: (204) [system] i=(\)
   Fail: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1493630)
   Call: (205) [system] peek_char((0x563acd73bee0), _1494564)
   Exit: (205) [system] peek_char((0x563acd73bee0), c)
^  Call: (205) [user] is_delimiter(c)
   Call: (206) [system] char_type(c, space)
   Fail: (206) [system] char_type(c, space)
   Call: (206) [system] arg(_1499284, v('(', ')', end_of_file), c)
   Fail: (206) [system] arg(_1500216, v('(', ')', end_of_file), c)
^  Fail: (205) [user] is_delimiter(c)
   Call: (205) [system] ')'==c
   Fail: (205) [system] ')'==c
   Call: (205) [system] get_char((0x563acd73bee0), c)
   Exit: (205) [system] get_char((0x563acd73bee0), c)
   Call: (205) [system] c=(\)
   Fail: (205) [system] c=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1507566)
   Call: (206) [system] peek_char((0x563acd73bee0), _1508500)
   Exit: (206) [system] peek_char((0x563acd73bee0), a)
^  Call: (206) [user] is_delimiter(a)
   Call: (207) [system] char_type(a, space)
   Fail: (207) [system] char_type(a, space)
   Call: (207) [system] arg(_1513220, v('(', ')', end_of_file), a)
   Fail: (207) [system] arg(_1514152, v('(', ')', end_of_file), a)
^  Fail: (206) [user] is_delimiter(a)
   Call: (206) [system] ')'==a
   Fail: (206) [system] ')'==a
   Call: (206) [system] get_char((0x563acd73bee0), a)
   Exit: (206) [system] get_char((0x563acd73bee0), a)
   Call: (206) [system] a=(\)
   Fail: (206) [system] a=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1521502)
   Call: (207) [system] peek_char((0x563acd73bee0), _1522436)
   Exit: (207) [system] peek_char((0x563acd73bee0), t)
^  Call: (207) [user] is_delimiter(t)
   Call: (208) [system] char_type(t, space)
   Fail: (208) [system] char_type(t, space)
   Call: (208) [system] arg(_1527156, v('(', ')', end_of_file), t)
   Fail: (208) [system] arg(_1528088, v('(', ')', end_of_file), t)
^  Fail: (207) [user] is_delimiter(t)
   Call: (207) [system] ')'==t
   Fail: (207) [system] ')'==t
   Call: (207) [system] get_char((0x563acd73bee0), t)
   Exit: (207) [system] get_char((0x563acd73bee0), t)
   Call: (207) [system] t=(\)
   Fail: (207) [system] t=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1535438)
   Call: (208) [system] peek_char((0x563acd73bee0), _1536372)
   Exit: (208) [system] peek_char((0x563acd73bee0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_1541092, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_1542024, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x563acd73bee0), i)
   Exit: (208) [system] get_char((0x563acd73bee0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1549374)
   Call: (209) [system] peek_char((0x563acd73bee0), _1550308)
   Exit: (209) [system] peek_char((0x563acd73bee0), o)
^  Call: (209) [user] is_delimiter(o)
   Call: (210) [system] char_type(o, space)
   Fail: (210) [system] char_type(o, space)
   Call: (210) [system] arg(_1555028, v('(', ')', end_of_file), o)
   Fail: (210) [system] arg(_1555960, v('(', ')', end_of_file), o)
^  Fail: (209) [user] is_delimiter(o)
   Call: (209) [system] ')'==o
   Fail: (209) [system] ')'==o
   Call: (209) [system] get_char((0x563acd73bee0), o)
   Exit: (209) [system] get_char((0x563acd73bee0), o)
   Call: (209) [system] o=(\)
   Fail: (209) [system] o=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1563310)
   Call: (210) [system] peek_char((0x563acd73bee0), _1564244)
   Exit: (210) [system] peek_char((0x563acd73bee0), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Fail: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_1568964, v('(', ')', end_of_file), n)
   Fail: (211) [system] arg(_1569896, v('(', ')', end_of_file), n)
^  Fail: (210) [user] is_delimiter(n)
   Call: (210) [system] ')'==n
   Fail: (210) [system] ')'==n
   Call: (210) [system] get_char((0x563acd73bee0), n)
   Exit: (210) [system] get_char((0x563acd73bee0), n)
   Call: (210) [system] n=(\)
   Fail: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1577246)
   Call: (211) [system] peek_char((0x563acd73bee0), _1578180)
   Exit: (211) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _1577246=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (210) [system] _1563310=[n]
   Exit: (210) [system] [n]=[n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (209) [system] _1549374=[o, n]
   Exit: (209) [system] [o, n]=[o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (208) [system] _1535438=[i, o, n]
   Exit: (208) [system] [i, o, n]=[i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (207) [system] _1521502=[t, i, o, n]
   Exit: (207) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (206) [system] _1507566=[a, t, i, o, n]
   Exit: (206) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (205) [system] _1493630=[c, a, t, i, o, n]
   Exit: (205) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (204) [system] _1479694=[i, c, a, t, i, o, n]
   Exit: (204) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (203) [system] _1465758=[l, i, c, a, t, i, o, n]
   Exit: (203) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (202) [system] _1451822=[p, l, i, c, a, t, i, o, n]
   Exit: (202) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (201) [system] _1437886=[m, p, l, i, c, a, t, i, o, n]
   Exit: (201) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (200) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1402376)
^  Call: (201) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1615404)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_1616356, _1616358), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1615404), _1616338, fail)), '$restore_trace'(_1616356, _1616358))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_1616356, _1616358))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1615404), _1616338, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(_1615404)
   Fail: (202) [system] atomic(_1615404)
   Call: (202) [system] atom_chars(_1615404, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (202) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (201) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (201) [system] integer('Implication')
   Fail: (201) [system] integer('Implication')
   Call: (201) [system] _1402376='Implication'
   Exit: (201) [system] 'Implication'='Implication'
^  Exit: (200) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (199) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (198) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _1630354)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1632212)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x563acd73bee0), _1641806)
   Exit: (200) [system] get_char((0x563acd73bee0), ' ')
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1644510)
   Exit: (201) [system] peek_char((0x563acd73bee0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
   Call: (201) [system] '('=(/)
   Fail: (201) [system] '('=(/)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1661444)
   Exit: (199) [system] peek_char((0x563acd73bee0), '(')
   Call: (199) [system] '('=')'
   Fail: (199) [system] '('=')'
   Call: (199) [system] '('=end_of_file
   Fail: (199) [system] '('=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x563acd73bee0), _1667014)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1668872)
   Exit: (201) [system] peek_char((0x563acd73bee0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
   Call: (201) [system] '('=(/)
   Fail: (201) [system] '('=(/)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] get_char((0x563acd73bee0), _1684882)
   Exit: (200) [system] get_char((0x563acd73bee0), '(')
   Call: (200) [system] '('='('
   Exit: (200) [system] '('='('
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _1667014)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1690452)
   Exit: (202) [system] peek_char((0x563acd73bee0), 'O')
   Call: (202) [system] 'O'=(;)
   Fail: (202) [system] 'O'=(;)
   Call: (202) [system] 'O'=(/)
   Fail: (202) [system] 'O'=(/)
^  Call: (202) [user] is_like_space('O')
   Call: (203) [system] char_type('O', 'white')
   Fail: (203) [system] char_type('O', 'white')
   Call: (203) [system] char_type('O', end_of_line)
   Fail: (203) [system] char_type('O', end_of_line)
   Call: (203) [system] char_type('O', space)
   Fail: (203) [system] char_type('O', space)
   Call: (203) [system] char_type('O', cntrl)
   Fail: (203) [system] char_type('O', cntrl)
^  Fail: (202) [user] is_like_space('O')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1706462)
   Exit: (201) [system] peek_char((0x563acd73bee0), 'O')
   Call: (201) [system] 'O'=')'
   Fail: (201) [system] 'O'=')'
   Call: (201) [system] 'O'=end_of_file
   Fail: (201) [system] 'O'=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x563acd73bee0), _1712032)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1713890)
   Exit: (203) [system] peek_char((0x563acd73bee0), 'O')
   Call: (203) [system] 'O'=(;)
   Fail: (203) [system] 'O'=(;)
   Call: (203) [system] 'O'=(/)
   Fail: (203) [system] 'O'=(/)
^  Call: (203) [user] is_like_space('O')
   Call: (204) [system] char_type('O', 'white')
   Fail: (204) [system] char_type('O', 'white')
   Call: (204) [system] char_type('O', end_of_line)
   Fail: (204) [system] char_type('O', end_of_line)
   Call: (204) [system] char_type('O', space)
   Fail: (204) [system] char_type('O', space)
   Call: (204) [system] char_type('O', cntrl)
   Fail: (204) [system] char_type('O', cntrl)
^  Fail: (203) [user] is_like_space('O')
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] get_char((0x563acd73bee0), _1729900)
   Exit: (202) [system] get_char((0x563acd73bee0), 'O')
   Call: (202) [system] 'O'='('
   Fail: (202) [system] 'O'='('
   Call: (202) [system] 'O'='['
   Fail: (202) [system] 'O'='['
   Call: (202) [system] 'O'='{'
   Fail: (202) [system] 'O'='{'
   Call: (202) [system] 'O'='"'
   Fail: (202) [system] 'O'='"'
   Call: (202) [system] 'O'=!
   Fail: (202) [system] 'O'=!
   Call: (202) [system] 'O'='\''
   Fail: (202) [system] 'O'='\''
   Call: (202) [system] 'O'='`'
   Fail: (202) [system] 'O'='`'
   Call: (202) [system] 'O'=end_of_file
   Fail: (202) [system] 'O'=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x563acd73bee0), 'O', _1712032)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1747542)
   Call: (204) [system] peek_char((0x563acd73bee0), _1748476)
   Exit: (204) [system] peek_char((0x563acd73bee0), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_1753196, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_1754128, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x563acd73bee0), r)
   Exit: (204) [system] get_char((0x563acd73bee0), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1761478)
   Call: (205) [system] peek_char((0x563acd73bee0), _1762412)
   Exit: (205) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (205) [user] is_delimiter('L')
   Call: (206) [system] char_type('L', space)
   Fail: (206) [system] char_type('L', space)
   Call: (206) [system] arg(_1767132, v('(', ')', end_of_file), 'L')
   Fail: (206) [system] arg(_1768064, v('(', ')', end_of_file), 'L')
^  Fail: (205) [user] is_delimiter('L')
   Call: (205) [system] ')'=='L'
   Fail: (205) [system] ')'=='L'
   Call: (205) [system] get_char((0x563acd73bee0), 'L')
   Exit: (205) [system] get_char((0x563acd73bee0), 'L')
   Call: (205) [system] 'L'=(\)
   Fail: (205) [system] 'L'=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1775414)
   Call: (206) [system] peek_char((0x563acd73bee0), _1776348)
   Exit: (206) [system] peek_char((0x563acd73bee0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_1781068, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_1782000, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x563acd73bee0), i)
   Exit: (206) [system] get_char((0x563acd73bee0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1789350)
   Call: (207) [system] peek_char((0x563acd73bee0), _1790284)
   Exit: (207) [system] peek_char((0x563acd73bee0), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Fail: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_1795004, v('(', ')', end_of_file), n)
   Fail: (208) [system] arg(_1795936, v('(', ')', end_of_file), n)
^  Fail: (207) [user] is_delimiter(n)
   Call: (207) [system] ')'==n
   Fail: (207) [system] ')'==n
   Call: (207) [system] get_char((0x563acd73bee0), n)
   Exit: (207) [system] get_char((0x563acd73bee0), n)
   Call: (207) [system] n=(\)
   Fail: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1803286)
   Call: (208) [system] peek_char((0x563acd73bee0), _1804220)
   Exit: (208) [system] peek_char((0x563acd73bee0), k)
^  Call: (208) [user] is_delimiter(k)
   Call: (209) [system] char_type(k, space)
   Fail: (209) [system] char_type(k, space)
   Call: (209) [system] arg(_1808940, v('(', ')', end_of_file), k)
   Fail: (209) [system] arg(_1809872, v('(', ')', end_of_file), k)
^  Fail: (208) [user] is_delimiter(k)
   Call: (208) [system] ')'==k
   Fail: (208) [system] ')'==k
   Call: (208) [system] get_char((0x563acd73bee0), k)
   Exit: (208) [system] get_char((0x563acd73bee0), k)
   Call: (208) [system] k=(\)
   Fail: (208) [system] k=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1817222)
   Call: (209) [system] peek_char((0x563acd73bee0), _1818156)
   Exit: (209) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _1817222=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (208) [system] _1803286=[k]
   Exit: (208) [system] [k]=[k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (207) [system] _1789350=[n, k]
   Exit: (207) [system] [n, k]=[n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (206) [system] _1775414=[i, n, k]
   Exit: (206) [system] [i, n, k]=[i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (205) [system] _1761478=['L', i, n, k]
   Exit: (205) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (204) [system] _1747542=[r, 'L', i, n, k]
   Exit: (204) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (203) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1712032)
^  Call: (204) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1841410)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_1842362, _1842364), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1841410), _1842344, fail)), '$restore_trace'(_1842362, _1842364))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_1842362, _1842364))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1841410), _1842344, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(_1841410)
   Fail: (205) [system] atomic(_1841410)
   Call: (205) [system] atom_chars(_1841410, ['O', r, 'L', i, n, k])
   Exit: (205) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (204) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (204) [system] integer('OrLink')
   Fail: (204) [system] integer('OrLink')
   Call: (204) [system] _1712032='OrLink'
   Exit: (204) [system] 'OrLink'='OrLink'
^  Exit: (203) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (202) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (201) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (201) [user] read_list(')', (0x563acd73bee0), _1856360)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1858218)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x563acd73bee0), _1867812)
   Exit: (203) [system] get_char((0x563acd73bee0), ' ')
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1870516)
   Exit: (204) [system] peek_char((0x563acd73bee0), 'C')
   Call: (204) [system] 'C'=(;)
   Fail: (204) [system] 'C'=(;)
   Call: (204) [system] 'C'=(/)
   Fail: (204) [system] 'C'=(/)
^  Call: (204) [user] is_like_space('C')
   Call: (205) [system] char_type('C', 'white')
   Fail: (205) [system] char_type('C', 'white')
   Call: (205) [system] char_type('C', end_of_line)
   Fail: (205) [system] char_type('C', end_of_line)
   Call: (205) [system] char_type('C', space)
   Fail: (205) [system] char_type('C', space)
   Call: (205) [system] char_type('C', cntrl)
   Fail: (205) [system] char_type('C', cntrl)
^  Fail: (204) [user] is_like_space('C')
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1887450)
   Exit: (202) [system] peek_char((0x563acd73bee0), 'C')
   Call: (202) [system] 'C'=')'
   Fail: (202) [system] 'C'=')'
   Call: (202) [system] 'C'=end_of_file
   Fail: (202) [system] 'C'=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x563acd73bee0), _1893020)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1894878)
   Exit: (204) [system] peek_char((0x563acd73bee0), 'C')
   Call: (204) [system] 'C'=(;)
   Fail: (204) [system] 'C'=(;)
   Call: (204) [system] 'C'=(/)
   Fail: (204) [system] 'C'=(/)
^  Call: (204) [user] is_like_space('C')
   Call: (205) [system] char_type('C', 'white')
   Fail: (205) [system] char_type('C', 'white')
   Call: (205) [system] char_type('C', end_of_line)
   Fail: (205) [system] char_type('C', end_of_line)
   Call: (205) [system] char_type('C', space)
   Fail: (205) [system] char_type('C', space)
   Call: (205) [system] char_type('C', cntrl)
   Fail: (205) [system] char_type('C', cntrl)
^  Fail: (204) [user] is_like_space('C')
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] get_char((0x563acd73bee0), _1910888)
   Exit: (203) [system] get_char((0x563acd73bee0), 'C')
   Call: (203) [system] 'C'='('
   Fail: (203) [system] 'C'='('
   Call: (203) [system] 'C'='['
   Fail: (203) [system] 'C'='['
   Call: (203) [system] 'C'='{'
   Fail: (203) [system] 'C'='{'
   Call: (203) [system] 'C'='"'
   Fail: (203) [system] 'C'='"'
   Call: (203) [system] 'C'=!
   Fail: (203) [system] 'C'=!
   Call: (203) [system] 'C'='\''
   Fail: (203) [system] 'C'='\''
   Call: (203) [system] 'C'='`'
   Fail: (203) [system] 'C'='`'
   Call: (203) [system] 'C'=end_of_file
   Fail: (203) [system] 'C'=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x563acd73bee0), 'C', _1893020)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1928530)
   Call: (205) [system] peek_char((0x563acd73bee0), _1929464)
   Exit: (205) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _1928530=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (204) [user] classify_and_convert_charseq(['C'], _1893020)
^  Call: (205) [user] classify_and_convert_charseq_(['C'], _1938748)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_1939700, _1939702), once(user:catch(read_from_chars(['C'], _1938748), _1939682, fail)), '$restore_trace'(_1939700, _1939702))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_1939700, _1939702))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1938748), _1939682, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(_1938748)
   Fail: (206) [system] atomic(_1938748)
   Call: (206) [system] atom_chars(_1938748, ['C'])
   Exit: (206) [system] atom_chars('C', ['C'])
^  Exit: (205) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (205) [system] integer('C')
   Fail: (205) [system] integer('C')
   Call: (205) [system] _1893020='C'
   Exit: (205) [system] 'C'='C'
^  Exit: (204) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (203) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (202) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (202) [user] read_list(')', (0x563acd73bee0), _1953698)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1955556)
   Exit: (204) [system] peek_char((0x563acd73bee0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x563acd73bee0), _1965150)
   Exit: (204) [system] get_char((0x563acd73bee0), ' ')
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1967854)
   Exit: (205) [system] peek_char((0x563acd73bee0), 'D')
   Call: (205) [system] 'D'=(;)
   Fail: (205) [system] 'D'=(;)
   Call: (205) [system] 'D'=(/)
   Fail: (205) [system] 'D'=(/)
^  Call: (205) [user] is_like_space('D')
   Call: (206) [system] char_type('D', 'white')
   Fail: (206) [system] char_type('D', 'white')
   Call: (206) [system] char_type('D', end_of_line)
   Fail: (206) [system] char_type('D', end_of_line)
   Call: (206) [system] char_type('D', space)
   Fail: (206) [system] char_type('D', space)
   Call: (206) [system] char_type('D', cntrl)
   Fail: (206) [system] char_type('D', cntrl)
^  Fail: (205) [user] is_like_space('D')
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1984788)
   Exit: (203) [system] peek_char((0x563acd73bee0), 'D')
   Call: (203) [system] 'D'=')'
   Fail: (203) [system] 'D'=')'
   Call: (203) [system] 'D'=end_of_file
   Fail: (203) [system] 'D'=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x563acd73bee0), _1990358)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1992216)
   Exit: (205) [system] peek_char((0x563acd73bee0), 'D')
   Call: (205) [system] 'D'=(;)
   Fail: (205) [system] 'D'=(;)
   Call: (205) [system] 'D'=(/)
   Fail: (205) [system] 'D'=(/)
^  Call: (205) [user] is_like_space('D')
   Call: (206) [system] char_type('D', 'white')
   Fail: (206) [system] char_type('D', 'white')
   Call: (206) [system] char_type('D', end_of_line)
   Fail: (206) [system] char_type('D', end_of_line)
   Call: (206) [system] char_type('D', space)
   Fail: (206) [system] char_type('D', space)
   Call: (206) [system] char_type('D', cntrl)
   Fail: (206) [system] char_type('D', cntrl)
^  Fail: (205) [user] is_like_space('D')
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] get_char((0x563acd73bee0), _2008226)
   Exit: (204) [system] get_char((0x563acd73bee0), 'D')
   Call: (204) [system] 'D'='('
   Fail: (204) [system] 'D'='('
   Call: (204) [system] 'D'='['
   Fail: (204) [system] 'D'='['
   Call: (204) [system] 'D'='{'
   Fail: (204) [system] 'D'='{'
   Call: (204) [system] 'D'='"'
   Fail: (204) [system] 'D'='"'
   Call: (204) [system] 'D'=!
   Fail: (204) [system] 'D'=!
   Call: (204) [system] 'D'='\''
   Fail: (204) [system] 'D'='\''
   Call: (204) [system] 'D'='`'
   Fail: (204) [system] 'D'='`'
   Call: (204) [system] 'D'=end_of_file
   Fail: (204) [system] 'D'=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x563acd73bee0), 'D', _1990358)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _2025868)
   Call: (206) [system] peek_char((0x563acd73bee0), _2026802)
   Exit: (206) [system] peek_char((0x563acd73bee0), ')')
^  Call: (206) [user] is_delimiter(')')
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] arg(_2031522, v('(', ')', end_of_file), ')')
   Exit: (207) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (206) [user] is_delimiter(')')
   Call: (206) [system] _2025868=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (205) [user] classify_and_convert_charseq(['D'], _1990358)
^  Call: (206) [user] classify_and_convert_charseq_(['D'], _2037958)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_2038910, _2038912), once(user:catch(read_from_chars(['D'], _2037958), _2038892, fail)), '$restore_trace'(_2038910, _2038912))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_2038910, _2038912))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _2037958), _2038892, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(_2037958)
   Fail: (207) [system] atomic(_2037958)
   Call: (207) [system] atom_chars(_2037958, ['D'])
   Exit: (207) [system] atom_chars('D', ['D'])
^  Exit: (206) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (206) [system] integer('D')
   Fail: (206) [system] integer('D')
   Call: (206) [system] _1990358='D'
   Exit: (206) [system] 'D'='D'
^  Exit: (205) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (204) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'D')
^  Exit: (203) [user] cont_sexpr(')', (0x563acd73bee0), 'D')
^  Call: (203) [user] read_list(')', (0x563acd73bee0), _2052908)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _2054766)
   Exit: (205) [system] peek_char((0x563acd73bee0), ')')
   Call: (205) [system] ')'=(;)
   Fail: (205) [system] ')'=(;)
   Call: (205) [system] ')'=(/)
   Fail: (205) [system] ')'=(/)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Fail: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Fail: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
   Fail: (206) [system] char_type(')', cntrl)
^  Fail: (205) [user] is_like_space(')')
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _2070776)
   Exit: (204) [system] peek_char((0x563acd73bee0), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x563acd73bee0), _2074566)
   Exit: (204) [system] get_char((0x563acd73bee0), ')')
   Call: (204) [system] _2052908=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x563acd73bee0), [])
   Call: (203) [system] _1953698=['D']
   Exit: (203) [system] ['D']=['D']
^  Exit: (202) [user] read_list(')', (0x563acd73bee0), ['D'])
   Call: (202) [system] _1856360=['C', 'D']
   Exit: (202) [system] ['C', 'D']=['C', 'D']
^  Exit: (201) [user] read_list(')', (0x563acd73bee0), ['C', 'D'])
   Call: (201) [system] _1667014=['OrLink', 'C', 'D']
   Exit: (201) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), ['OrLink', 'C', 'D'])
^  Exit: (199) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', 'C', 'D'])
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _2088448)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _2090306)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _6644)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _9348)
   Exit: (202) [system] peek_char((0x563acd73bee0), 'E')
   Call: (202) [system] 'E'=(;)
   Fail: (202) [system] 'E'=(;)
   Call: (202) [system] 'E'=(/)
   Fail: (202) [system] 'E'=(/)
^  Call: (202) [user] is_like_space('E')
   Call: (203) [system] char_type('E', 'white')
   Fail: (203) [system] char_type('E', 'white')
   Call: (203) [system] char_type('E', end_of_line)
   Fail: (203) [system] char_type('E', end_of_line)
   Call: (203) [system] char_type('E', space)
   Fail: (203) [system] char_type('E', space)
   Call: (203) [system] char_type('E', cntrl)
   Fail: (203) [system] char_type('E', cntrl)
^  Fail: (202) [user] is_like_space('E')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _26282)
   Exit: (200) [system] peek_char((0x563acd73bee0), 'E')
   Call: (200) [system] 'E'=')'
   Fail: (200) [system] 'E'=')'
   Call: (200) [system] 'E'=end_of_file
   Fail: (200) [system] 'E'=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x563acd73bee0), _31852)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _33710)
   Exit: (202) [system] peek_char((0x563acd73bee0), 'E')
   Call: (202) [system] 'E'=(;)
   Fail: (202) [system] 'E'=(;)
   Call: (202) [system] 'E'=(/)
   Fail: (202) [system] 'E'=(/)
^  Call: (202) [user] is_like_space('E')
   Call: (203) [system] char_type('E', 'white')
   Fail: (203) [system] char_type('E', 'white')
   Call: (203) [system] char_type('E', end_of_line)
   Fail: (203) [system] char_type('E', end_of_line)
   Call: (203) [system] char_type('E', space)
   Fail: (203) [system] char_type('E', space)
   Call: (203) [system] char_type('E', cntrl)
   Fail: (203) [system] char_type('E', cntrl)
^  Fail: (202) [user] is_like_space('E')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] get_char((0x563acd73bee0), _49720)
   Exit: (201) [system] get_char((0x563acd73bee0), 'E')
   Call: (201) [system] 'E'='('
   Fail: (201) [system] 'E'='('
   Call: (201) [system] 'E'='['
   Fail: (201) [system] 'E'='['
   Call: (201) [system] 'E'='{'
   Fail: (201) [system] 'E'='{'
   Call: (201) [system] 'E'='"'
   Fail: (201) [system] 'E'='"'
   Call: (201) [system] 'E'=!
   Fail: (201) [system] 'E'=!
   Call: (201) [system] 'E'='\''
   Fail: (201) [system] 'E'='\''
   Call: (201) [system] 'E'='`'
   Fail: (201) [system] 'E'='`'
   Call: (201) [system] 'E'=end_of_file
   Fail: (201) [system] 'E'=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x563acd73bee0), 'E', _31852)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _67362)
   Call: (203) [system] peek_char((0x563acd73bee0), _68296)
   Exit: (203) [system] peek_char((0x563acd73bee0), ')')
^  Call: (203) [user] is_delimiter(')')
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] arg(_73016, v('(', ')', end_of_file), ')')
   Exit: (204) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (203) [user] is_delimiter(')')
   Call: (203) [system] _67362=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (202) [user] classify_and_convert_charseq(['E'], _31852)
^  Call: (203) [user] classify_and_convert_charseq_(['E'], _79452)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_80404, _80406), once(user:catch(read_from_chars(['E'], _79452), _80386, fail)), '$restore_trace'(_80404, _80406))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_80404, _80406))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _79452), _80386, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(_79452)
   Fail: (204) [system] atomic(_79452)
   Call: (204) [system] atom_chars(_79452, ['E'])
   Exit: (204) [system] atom_chars('E', ['E'])
^  Exit: (203) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (203) [system] integer('E')
   Fail: (203) [system] integer('E')
   Call: (203) [system] _31852='E'
   Exit: (203) [system] 'E'='E'
^  Exit: (202) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (201) [user] read_symbolic(')', (0x563acd73bee0), 'E', 'E')
^  Exit: (200) [user] cont_sexpr(')', (0x563acd73bee0), 'E')
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _94402)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _96260)
   Exit: (202) [system] peek_char((0x563acd73bee0), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
   Call: (202) [system] ')'=(/)
   Fail: (202) [system] ')'=(/)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _112270)
   Exit: (201) [system] peek_char((0x563acd73bee0), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x563acd73bee0), _116060)
   Exit: (201) [system] get_char((0x563acd73bee0), ')')
   Call: (201) [system] _94402=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), [])
   Call: (200) [system] _3598=['E']
   Exit: (200) [system] ['E']=['E']
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), ['E'])
   Call: (199) [system] _3574=[['OrLink', 'C', 'D'], 'E']
   Exit: (199) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (198) [user] read_list(')', (0x563acd73bee0), [['OrLink', 'C', 'D'], 'E'])
   Call: (198) [system] _3566=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (198) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (197) [user] read_list(')', (0x563acd73bee0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (196) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (196) [user] read_list(')', (0x563acd73bee0), _129942)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _131800)
   Exit: (198) [system] peek_char((0x563acd73bee0), ')')
   Call: (198) [system] ')'=(;)
   Fail: (198) [system] ')'=(;)
   Call: (198) [system] ')'=(/)
   Fail: (198) [system] ')'=(/)
^  Call: (198) [user] is_like_space(')')
   Call: (199) [system] char_type(')', 'white')
   Fail: (199) [system] char_type(')', 'white')
   Call: (199) [system] char_type(')', end_of_line)
   Fail: (199) [system] char_type(')', end_of_line)
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] char_type(')', cntrl)
   Fail: (199) [system] char_type(')', cntrl)
^  Fail: (198) [user] is_like_space(')')
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _147810)
   Exit: (197) [system] peek_char((0x563acd73bee0), ')')
   Call: (197) [system] ')'=')'
   Exit: (197) [system] ')'=')'
   Call: (197) [system] get_char((0x563acd73bee0), _151600)
   Exit: (197) [system] get_char((0x563acd73bee0), ')')
   Call: (197) [system] _129942=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_list(')', (0x563acd73bee0), [])
   Call: (196) [system] _3562=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (196) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (195) [system] _3556=[cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (195) [system] [cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]=[cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), [cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (194) [system] _3548=[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (194) [system] [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]=[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (192) [user] cont_sexpr(')', (0x563acd73bee0), [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _165482)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _167340)
   Exit: (194) [system] peek_char((0x563acd73bee0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
   Call: (194) [system] ')'=(/)
   Fail: (194) [system] ')'=(/)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _183350)
   Exit: (193) [system] peek_char((0x563acd73bee0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x563acd73bee0), _187140)
   Exit: (193) [system] get_char((0x563acd73bee0), ')')
   Call: (193) [system] _165482=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), [])
   Call: (192) [system] _3544=[[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (192) [system] [[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (191) [user] read_list(')', (0x563acd73bee0), [[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (191) [system] _3484=[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (191) [system] [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (190) [user] read_list(')', (0x563acd73bee0), [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (190) [system] _3460=[[:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (190) [system] [[:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[[:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (189) [user] read_list(')', (0x563acd73bee0), [[:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (189) [system] _3434=[[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (189) [system] [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (188) [user] read_list(')', (0x563acd73bee0), [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (187) [user] cont_sexpr(')', (0x563acd73bee0), [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (187) [user] read_list(')', (0x563acd73bee0), _203816)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _205674)
   Exit: (189) [system] peek_char((0x563acd73bee0), ')')
   Call: (189) [system] ')'=(;)
   Fail: (189) [system] ')'=(;)
   Call: (189) [system] ')'=(/)
   Fail: (189) [system] ')'=(/)
^  Call: (189) [user] is_like_space(')')
   Call: (190) [system] char_type(')', 'white')
   Fail: (190) [system] char_type(')', 'white')
   Call: (190) [system] char_type(')', end_of_line)
   Fail: (190) [system] char_type(')', end_of_line)
   Call: (190) [system] char_type(')', space)
   Fail: (190) [system] char_type(')', space)
   Call: (190) [system] char_type(')', cntrl)
   Fail: (190) [system] char_type(')', cntrl)
^  Fail: (189) [user] is_like_space(')')
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _221684)
   Exit: (188) [system] peek_char((0x563acd73bee0), ')')
   Call: (188) [system] ')'=')'
   Exit: (188) [system] ')'=')'
   Call: (188) [system] get_char((0x563acd73bee0), _225474)
   Exit: (188) [system] get_char((0x563acd73bee0), ')')
   Call: (188) [system] _203816=[]
   Exit: (188) [system] []=[]
^  Exit: (187) [user] read_list(')', (0x563acd73bee0), [])
   Call: (187) [system] _3430=[[[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (187) [system] [[[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[[[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (186) [user] read_list(')', (0x563acd73bee0), [[[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (186) [system] _3368=[[synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (186) [system] [[synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[[synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (185) [user] read_list(')', (0x563acd73bee0), [[synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (185) [system] _3360=[assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (185) [system] [assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (184) [user] read_list(')', (0x563acd73bee0), [assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Exit: (183) [user] cont_sexpr(')', (0x563acd73bee0), [assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Exit: (182) [user] read_sexpr((0x563acd73bee0), [assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (182) [system] _3324=exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Exit: (182) [system] exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])=exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Exit: (181) [user] cont_sexpr(')', (0x563acd73bee0), exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]))
^  Exit: (180) [user] read_sexpr((0x563acd73bee0), exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]))
^  Call: (180) [user] assertz(metta_file_comment(155, 0, 7568, exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]), '$stream_position'(7568, 155, 0, 7568)))
^  Exit: (180) [user] assertz(metta_file_comment(155, 0, 7568, exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]), '$stream_position'(7568, 155, 0, 7568)))
^  Exit: (178) [system] once(user:(read_position((0x563acd73bee0), 155, 0, 7568, '$stream_position'(7568, 155, 0, 7568)), read_sexpr((0x563acd73bee0), exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])), assertz(metta_file_comment(155, 0, 7568, exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]), '$stream_position'(7568, 155, 0, 7568)))))
   Call: (178) [system] fail
^  Call: (178) [user] retract(metta_file_comment(_247712, _247714, _247716, _247718, _247720))
^  Exit: (178) [user] retract(metta_file_comment(83, 0, 3311, '$COMMENT'(";; Quintenary rule", 83, 0), '$stream_position'(3311, 83, 0, 3311)))
^  Call: (178) [user] trly(untyped_to_metta, '$COMMENT'(";; Quintenary rule", 83, 0), _3084)
^  Call: (179) [user] once(call(untyped_to_metta, '$COMMENT'(";; Quintenary rule", 83, 0), _250548))
^  Call: (180) [user] call(untyped_to_metta, '$COMMENT'(";; Quintenary rule", 83, 0), _250548)
^  Call: (181) [user] untyped_to_metta('$COMMENT'(";; Quintenary rule", 83, 0), _250548)
^  Call: (182) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";; Quintenary rule", 83, 0), _253364))
^  Call: (183) [user] once(user:trly(mfix_vars1, '$COMMENT'(";; Quintenary rule", 83, 0), _253364))
^  Call: (184) [user] trly(mfix_vars1, '$COMMENT'(";; Quintenary rule", 83, 0), _253364)
^  Call: (185) [user] once(call(mfix_vars1, '$COMMENT'(";; Quintenary rule", 83, 0), _256164))
^  Call: (186) [user] call(mfix_vars1, '$COMMENT'(";; Quintenary rule", 83, 0), _256164)
^  Call: (187) [user] mfix_vars1('$COMMENT'(";; Quintenary rule", 83, 0), _256164)
   Call: (188) [system] var('$COMMENT'(";; Quintenary rule", 83, 0))
   Call: (188) [system] atom('$COMMENT'(";; Quintenary rule", 83, 0))
   Call: (188) [system] '$COMMENT'(";; Quintenary rule", 83, 0)==true
   Call: (188) [system] '$COMMENT'(";; Quintenary rule", 83, 0)==false
   Call: (188) [system] '$COMMENT'(";; Quintenary rule", 83, 0)==[_262684, _262690]
   Call: (188) [system] is_list('$COMMENT'(";; Quintenary rule", 83, 0))
   Call: (188) [system] string('$COMMENT'(";; Quintenary rule", 83, 0))
   Call: (188) [system] compound('$COMMENT'(";; Quintenary rule", 83, 0))
   Exit: (188) [system] compound('$COMMENT'(";; Quintenary rule", 83, 0))
   Call: (188) [system] compound_name_arguments('$COMMENT'(";; Quintenary rule", 83, 0), _267318, _267320)
   Exit: (188) [system] compound_name_arguments('$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT', [";; Quintenary rule", 83, 0])
   Call: (188) [system] '$COMMENT'\=='$VAR'
   Exit: (188) [system] '$COMMENT'\=='$VAR'
^  Call: (188) [user] apply:maplist(mfix_vars1, [";; Quintenary rule", 83, 0], _271060)
   Call: (189) [apply] apply:maplist_([";; Quintenary rule", 83, 0], _271060, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(";; Quintenary rule", _272940)
   Call: (191) [system] var(";; Quintenary rule")
   Call: (191) [system] atom(";; Quintenary rule")
   Call: (191) [system] ";; Quintenary rule"==true
   Call: (191) [system] ";; Quintenary rule"==false
   Call: (191) [system] ";; Quintenary rule"==[_277582, _277588]
   Call: (191) [system] is_list(";; Quintenary rule")
   Call: (191) [system] string(";; Quintenary rule")
   Exit: (191) [system] string(";; Quintenary rule")
^  Call: (191) [user] string_to_syms
   Call: (192) [system] fail
   Call: (191) [system] compound(";; Quintenary rule")
^  Call: (191) [user] symbol(";; Quintenary rule")
   Call: (192) [system] atom(";; Quintenary rule")
   Fail: (192) [system] atom(";; Quintenary rule")
^  Fail: (191) [user] symbol(";; Quintenary rule")
   Call: (191) [system] ";; Quintenary rule"=_272940
   Exit: (191) [system] ";; Quintenary rule"=";; Quintenary rule"
^  Exit: (190) [user] mfix_vars1(";; Quintenary rule", ";; Quintenary rule")
   Call: (190) [apply] apply:maplist_([83, 0], _272942, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(83, _291462)
   Call: (192) [system] var(83)
   Call: (192) [system] atom(83)
   Call: (192) [system] 83==true
   Call: (192) [system] 83==false
   Call: (192) [system] 83==[_296104, _296110]
   Call: (192) [system] is_list(83)
   Call: (192) [system] string(83)
   Call: (192) [system] compound(83)
^  Call: (192) [user] symbol(83)
   Call: (193) [system] atom(83)
   Fail: (193) [system] atom(83)
^  Fail: (192) [user] symbol(83)
   Call: (192) [system] 83=_291462
   Exit: (192) [system] 83=83
^  Exit: (191) [user] mfix_vars1(83, 83)
   Call: (191) [apply] apply:maplist_([0], _291464, user:mfix_vars1)
^  Call: (192) [user] mfix_vars1(0, _307228)
   Call: (193) [system] var(0)
   Call: (193) [system] atom(0)
   Call: (193) [system] 0==true
   Call: (193) [system] 0==false
   Call: (193) [system] 0==[_311870, _311876]
   Call: (193) [system] is_list(0)
   Call: (193) [system] string(0)
   Call: (193) [system] compound(0)
^  Call: (193) [user] symbol(0)
   Call: (194) [system] atom(0)
   Fail: (194) [system] atom(0)
^  Fail: (193) [user] symbol(0)
   Call: (193) [system] 0=_307228
   Exit: (193) [system] 0=0
^  Exit: (192) [user] mfix_vars1(0, 0)
   Call: (192) [apply] apply:maplist_([], _307230, user:mfix_vars1)
   Exit: (192) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([83, 0], [83, 0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([";; Quintenary rule", 83, 0], [";; Quintenary rule", 83, 0], user:mfix_vars1)
^  Exit: (188) [apply] apply:maplist(user:mfix_vars1, [";; Quintenary rule", 83, 0], [";; Quintenary rule", 83, 0])
   Call: (188) [system] compound_name_arguments(_256164, '$COMMENT', [";; Quintenary rule", 83, 0])
   Exit: (188) [system] compound_name_arguments('$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT', [";; Quintenary rule", 83, 0])
^  Exit: (187) [user] mfix_vars1('$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (186) [system] call(user:mfix_vars1, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (185) [system] once(user:call(mfix_vars1, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0)))
   Call: (185) [system] '$COMMENT'(";; Quintenary rule", 83, 0)\=@='$COMMENT'(";; Quintenary rule", 83, 0)
^  Exit: (184) [user] trly(mfix_vars1, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (183) [system] once(user:trly(mfix_vars1, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0)))
^  Exit: (182) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0)))
^  Call: (182) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";; Quintenary rule", 83, 0), _336046))
^  Call: (183) [user] once(user:trly(cons_to_c, '$COMMENT'(";; Quintenary rule", 83, 0), _336046))
^  Call: (184) [user] trly(cons_to_c, '$COMMENT'(";; Quintenary rule", 83, 0), _336046)
^  Call: (185) [user] once(call(cons_to_c, '$COMMENT'(";; Quintenary rule", 83, 0), _338846))
^  Call: (186) [user] call(cons_to_c, '$COMMENT'(";; Quintenary rule", 83, 0), _338846)
^  Call: (187) [user] cons_to_c('$COMMENT'(";; Quintenary rule", 83, 0), _338846)
^  Call: (188) [user] no_cons_reduce
^  Exit: (188) [user] no_cons_reduce
^  Exit: (187) [user] cons_to_c('$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (186) [system] call(user:cons_to_c, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (185) [system] once(user:call(cons_to_c, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0)))
   Call: (185) [system] '$COMMENT'(";; Quintenary rule", 83, 0)\=@='$COMMENT'(";; Quintenary rule", 83, 0)
^  Exit: (184) [user] trly(cons_to_c, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (183) [system] once(user:trly(cons_to_c, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0)))
^  Exit: (182) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0)))
^  Call: (182) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";; Quintenary rule", 83, 0), _250548))
^  Call: (183) [user] once(user:trly(cons_to_l, '$COMMENT'(";; Quintenary rule", 83, 0), _250548))
^  Call: (184) [user] trly(cons_to_l, '$COMMENT'(";; Quintenary rule", 83, 0), _250548)
^  Call: (185) [user] once(call(cons_to_l, '$COMMENT'(";; Quintenary rule", 83, 0), _352804))
^  Call: (186) [user] call(cons_to_l, '$COMMENT'(";; Quintenary rule", 83, 0), _352804)
^  Call: (187) [user] cons_to_l('$COMMENT'(";; Quintenary rule", 83, 0), _352804)
^  Call: (188) [user] no_cons_reduce
^  Exit: (188) [user] no_cons_reduce
^  Exit: (187) [user] cons_to_l('$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (186) [system] call(user:cons_to_l, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (185) [system] once(user:call(cons_to_l, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0)))
   Call: (185) [system] '$COMMENT'(";; Quintenary rule", 83, 0)\=@='$COMMENT'(";; Quintenary rule", 83, 0)
^  Exit: (184) [user] trly(cons_to_l, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (183) [system] once(user:trly(cons_to_l, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0)))
^  Exit: (182) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0)))
^  Exit: (181) [user] untyped_to_metta('$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (180) [system] call(user:untyped_to_metta, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (179) [system] once(user:call(untyped_to_metta, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0)))
   Call: (179) [system] '$COMMENT'(";; Quintenary rule", 83, 0)\=@='$COMMENT'(";; Quintenary rule", 83, 0)
^  Exit: (178) [user] trly(untyped_to_metta, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (177) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";; Quintenary rule", 83, 0))
   Call: (177) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";; Quintenary rule", 83, 0))))
   Exit: (177) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";; Quintenary rule", 83, 0))))
^  Exit: (176) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (175) [user] parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";; Quintenary rule", 83, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";; Quintenary rule", 83, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x563acd73bee0), '$COMMENT'(";; Quintenary rule", 83, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (171) [user] read_sform((0x563acd73bee0), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (170) [system] once(user:read_sform((0x563acd73bee0), '$COMMENT'(";; Quintenary rule", 83, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x563acd73bee0), '$COMMENT'(";; Quintenary rule", 83, 0)))
   Call: (169) [system] '$COMMENT'(";; Quintenary rule", 83, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";; Quintenary rule", 83, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1727204609.5892966), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204609.5892966), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Quintenary rule", 83, 0)), 153]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";; Quintenary rule", 83, 0), ynthesize_long_1727204587_629323, 153)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1727204609.5892966), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204609.5892966), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Quintenary rule", 83, 0)), 153]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1727204610.3820202)
   Call: (173) [system] arg(1, t(1727204609.5892966), _3148)
   Exit: (173) [system] arg(1, t(1727204609.5892966), 1727204609.5892966)
   Call: (173) [system] _3158 is 1727204610.3820202-1727204609.5892966
   Exit: (173) [system] 0.7927236557006836 is 1727204610.3820202-1727204609.5892966
   Call: (173) [system] 0.7927236557006836>4
   Fail: (173) [system] 0.7927236557006836>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1727204609.5892966), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204609.5892966), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Quintenary rule", 83, 0)), 153]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 26)
   Call: (175) [system] atom(26+1)
   Call: (175) [system] set_flag(translated_forms, 27)
   Exit: (175) [system] set_flag(translated_forms, 27)
   Exit: (174) [$syspreds] update_flag(translated_forms, 26, 26+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 26, 26+1))
   Exit: (171) [$syspreds] flag(translated_forms, 26, 26+1)
^  Call: (171) [user] write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";; Quintenary rule", 83, 0), ynthesize_long_1727204587_629323, 153)
^  Call: (172) [user] format((0x563acd7397e0), "/* ~w */~n", [";; Quintenary rule"])
^  Exit: (172) [user] format((0x563acd7397e0), "/* ~w */~n", [";; Quintenary rule"])
^  Exit: (171) [user] write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";; Quintenary rule", 83, 0), ynthesize_long_1727204587_629323, 153)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1727204609.5892966), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1727204609.5892966), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Quintenary rule", 83, 0)), 153]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 26, 26+1), write_metta_datalog_term((0x563acd7397e0), '$COMMENT'(";; Quintenary rule", 83, 0), ynthesize_long_1727204587_629323, 153)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x563acd73bee0))
   Fail: (169) [system] at_end_of_stream((0x563acd73bee0))
^  Call: (169) [user] must_det_ll(line_count((0x563acd73bee0), _3074))
^  Call: (170) [user] once(user:line_count((0x563acd73bee0), _3074))
   Call: (171) [system] line_count((0x563acd73bee0), _3074)
   Exit: (171) [system] line_count((0x563acd73bee0), 157)
^  Exit: (170) [system] once(user:line_count((0x563acd73bee0), 157))
^  Exit: (169) [user] must_det_ll(user:line_count((0x563acd73bee0), 157))
^  Call: (169) [user] must_det_ll(read_sform((0x563acd73bee0), _3084))
^  Call: (170) [user] once(user:read_sform((0x563acd73bee0), _3084))
^  Call: (171) [user] read_sform((0x563acd73bee0), _3084)
   Call: (172) [system] string((0x563acd73bee0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
   Call: (173) [system] string((0x563acd73bee0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), _3084)
   Call: (174) [system] at_end_of_stream((0x563acd73bee0))
   Call: (174) [system] peek_char((0x563acd73bee0), _428516)
   Exit: (174) [system] peek_char((0x563acd73bee0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x563acd73bee0), '\n')
   Exit: (174) [system] get_char((0x563acd73bee0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x563acd73bee0), _3084)
   Call: (175) [system] at_end_of_stream((0x563acd73bee0))
   Call: (175) [system] peek_char((0x563acd73bee0), _435938)
   Exit: (175) [system] peek_char((0x563acd73bee0), '\n')
   Call: (175) [system] char_type('\n', space)
   Exit: (175) [system] char_type('\n', space)
   Call: (175) [system] get_char((0x563acd73bee0), '\n')
   Exit: (175) [system] get_char((0x563acd73bee0), '\n')
^  Call: (175) [user] parse_sexpr_metta_IO((0x563acd73bee0), _3084)
   Call: (176) [system] at_end_of_stream((0x563acd73bee0))
   Call: (176) [system] peek_char((0x563acd73bee0), _443360)
   Exit: (176) [system] peek_char((0x563acd73bee0), ;)
   Call: (176) [system] char_type(;, space)
^  Call: (176) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
   Call: (177) [system] string((0x563acd73bee0))
^  Exit: (176) [user] use_new_parse_sexpr_metta_IO((0x563acd73bee0))
^  Call: (176) [user] new_parse_sexpr_metta_IO((0x563acd73bee0), _3084)
^  Call: (177) [user] new_parse_sexpr_metta_IO1((0x563acd73bee0), _3084)
   Call: (178) [system] at_end_of_stream((0x563acd73bee0))
   Call: (178) [system] peek_char((0x563acd73bee0), _451698)
   Exit: (178) [system] peek_char((0x563acd73bee0), ;)
   Call: (178) [system] char_type(;, space)
   Call: (178) [system] _454484=(0x563acd73bee0)
   Exit: (178) [system] (0x563acd73bee0)=(0x563acd73bee0)
^  Call: (178) [user] once((read_position((0x563acd73bee0), _456352, _456354, _456356, _456358), read_sexpr((0x563acd73bee0), _456370), assertz(metta_file_comment(_456352, _456354, _456356, _456370, _456358))))
^  Call: (180) [user] read_position((0x563acd73bee0), _456352, _456354, _456356, _456358)
   Call: (181) [system] stream_property((0x563acd73bee0), position(_456358))
   Call: (182) [system] nonvar((0x563acd73bee0))
   Exit: (182) [system] nonvar((0x563acd73bee0))
   Call: (182) [system] nonvar(position(_456358))
   Exit: (182) [system] nonvar(position(_456358))
   Exit: (181) [system] stream_property((0x563acd73bee0), position('$stream_position'(7727, 159, 0, 7727)))
   Call: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(7727, 159, 0, 7727), _456352)
   Call: (182) [system] nonvar(line_count)
   Exit: (182) [system] nonvar(line_count)
   Call: (182) [$syspreds] stream_position_field(line_count, _466610)
   Exit: (182) [$syspreds] stream_position_field(line_count, 2)
   Call: (182) [system] arg(2, '$stream_position'(7727, 159, 0, 7727), _456352)
   Exit: (182) [system] arg(2, '$stream_position'(7727, 159, 0, 7727), 159)
   Exit: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(7727, 159, 0, 7727), 159)
   Call: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(7727, 159, 0, 7727), _456354)
   Call: (182) [system] nonvar(line_position)
   Exit: (182) [system] nonvar(line_position)
   Call: (182) [$syspreds] stream_position_field(line_position, _474044)
   Exit: (182) [$syspreds] stream_position_field(line_position, 3)
   Call: (182) [system] arg(3, '$stream_position'(7727, 159, 0, 7727), _456354)
   Exit: (182) [system] arg(3, '$stream_position'(7727, 159, 0, 7727), 0)
   Exit: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(7727, 159, 0, 7727), 0)
   Call: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(7727, 159, 0, 7727), _456356)
   Call: (182) [system] nonvar(char_count)
   Exit: (182) [system] nonvar(char_count)
   Call: (182) [$syspreds] stream_position_field(char_count, _481478)
   Exit: (182) [$syspreds] stream_position_field(char_count, 1)
   Call: (182) [system] arg(1, '$stream_position'(7727, 159, 0, 7727), _456356)
   Exit: (182) [system] arg(1, '$stream_position'(7727, 159, 0, 7727), 7727)
   Exit: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(7727, 159, 0, 7727), 7727)
^  Exit: (180) [user] read_position((0x563acd73bee0), 159, 0, 7727, '$stream_position'(7727, 159, 0, 7727))
^  Call: (180) [user] read_sexpr((0x563acd73bee0), _456370)
   Call: (181) [system] string((0x563acd73bee0))
   Fail: (181) [system] string((0x563acd73bee0))
^  Call: (181) [user] cont_sexpr(')', (0x563acd73bee0), _456370)
^  Call: (182) [user] skip_spaces((0x563acd73bee0))
   Call: (183) [system] peek_char((0x563acd73bee0), _491704)
   Exit: (183) [system] peek_char((0x563acd73bee0), ;)
   Call: (183) [system] (;)=(;)
   Exit: (183) [system] (;)=(;)
^  Call: (183) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (184) [user] read_position((0x563acd73bee0), _496342, _496344, _496346, _496348)
   Call: (185) [system] stream_property((0x563acd73bee0), position(_496348))
   Call: (186) [system] nonvar((0x563acd73bee0))
   Exit: (186) [system] nonvar((0x563acd73bee0))
   Call: (186) [system] nonvar(position(_496348))
   Exit: (186) [system] nonvar(position(_496348))
   Exit: (185) [system] stream_property((0x563acd73bee0), position('$stream_position'(7727, 159, 0, 7727)))
   Call: (185) [$syspreds] stream_position_data(line_count, '$stream_position'(7727, 159, 0, 7727), _496342)
   Call: (186) [system] nonvar(line_count)
   Exit: (186) [system] nonvar(line_count)
   Call: (186) [$syspreds] stream_position_field(line_count, _505636)
   Exit: (186) [$syspreds] stream_position_field(line_count, 2)
   Call: (186) [system] arg(2, '$stream_position'(7727, 159, 0, 7727), _496342)
   Exit: (186) [system] arg(2, '$stream_position'(7727, 159, 0, 7727), 159)
   Exit: (185) [$syspreds] stream_position_data(line_count, '$stream_position'(7727, 159, 0, 7727), 159)
   Call: (185) [$syspreds] stream_position_data(line_position, '$stream_position'(7727, 159, 0, 7727), _496344)
   Call: (186) [system] nonvar(line_position)
   Exit: (186) [system] nonvar(line_position)
   Call: (186) [$syspreds] stream_position_field(line_position, _513070)
   Exit: (186) [$syspreds] stream_position_field(line_position, 3)
   Call: (186) [system] arg(3, '$stream_position'(7727, 159, 0, 7727), _496344)
   Exit: (186) [system] arg(3, '$stream_position'(7727, 159, 0, 7727), 0)
   Exit: (185) [$syspreds] stream_position_data(line_position, '$stream_position'(7727, 159, 0, 7727), 0)
   Call: (185) [$syspreds] stream_position_data(char_count, '$stream_position'(7727, 159, 0, 7727), _496346)
   Call: (186) [system] nonvar(char_count)
   Exit: (186) [system] nonvar(char_count)
   Call: (186) [$syspreds] stream_position_field(char_count, _520504)
   Exit: (186) [$syspreds] stream_position_field(char_count, 1)
   Call: (186) [system] arg(1, '$stream_position'(7727, 159, 0, 7727), _496346)
   Exit: (186) [system] arg(1, '$stream_position'(7727, 159, 0, 7727), 7727)
   Exit: (185) [$syspreds] stream_position_data(char_count, '$stream_position'(7727, 159, 0, 7727), 7727)
^  Exit: (184) [user] read_position((0x563acd73bee0), 159, 0, 7727, '$stream_position'(7727, 159, 0, 7727))
   Call: (184) [read_util] read_util:read_line_to_string((0x563acd73bee0), _526098)
   Call: (185) [system] read_string((0x563acd73bee0), '\n', '\r', _527028, _527030)
   Exit: (185) [system] read_string((0x563acd73bee0), '\n', '\r', 10, ";; takes about 1 minute on rust")
   Call: (185) [system] 10\== -1
   Exit: (185) [system] 10\== -1
   Call: (185) [system] _526098=";; takes about 1 minute on rust"
   Exit: (185) [system] ";; takes about 1 minute on rust"=";; takes about 1 minute on rust"
   Exit: (184) [read_util] read_util:read_line_to_string((0x563acd73bee0), ";; takes about 1 minute on rust")
^  Call: (184) [user] assertz(metta_file_comment(159, 0, 7727, '$COMMENT'(";; takes about 1 minute on rust", 159, 0), '$stream_position'(7727, 159, 0, 7727)))
^  Exit: (184) [user] assertz(metta_file_comment(159, 0, 7727, '$COMMENT'(";; takes about 1 minute on rust", 159, 0), '$stream_position'(7727, 159, 0, 7727)))
^  Exit: (183) [user] read_single_line_comment((0x563acd73bee0))
^  Call: (183) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] peek_char((0x563acd73bee0), _537294)
   Exit: (184) [system] peek_char((0x563acd73bee0), !)
   Call: (184) [system] !=(;)
   Fail: (184) [system] !=(;)
   Call: (184) [system] !=(/)
   Fail: (184) [system] !=(/)
^  Call: (184) [user] is_like_space(!)
   Call: (185) [system] char_type(!, 'white')
   Fail: (185) [system] char_type(!, 'white')
   Call: (185) [system] char_type(!, end_of_line)
   Fail: (185) [system] char_type(!, end_of_line)
   Call: (185) [system] char_type(!, space)
   Fail: (185) [system] char_type(!, space)
   Call: (185) [system] char_type(!, cntrl)
   Fail: (185) [system] char_type(!, cntrl)
^  Fail: (184) [user] is_like_space(!)
^  Exit: (183) [user] skip_spaces((0x563acd73bee0))
^  Exit: (182) [user] skip_spaces((0x563acd73bee0))
   Call: (182) [system] get_char((0x563acd73bee0), _554228)
   Exit: (182) [system] get_char((0x563acd73bee0), !)
   Call: (182) [system] !='('
   Fail: (182) [system] !='('
   Call: (182) [system] !='['
   Fail: (182) [system] !='['
   Call: (182) [system] !='{'
   Fail: (182) [system] !='{'
   Call: (182) [system] !='"'
   Fail: (182) [system] !='"'
   Call: (182) [system] !=!
   Exit: (182) [system] !=!
^  Call: (182) [user] read_sexpr((0x563acd73bee0), _565366)
   Call: (183) [system] string((0x563acd73bee0))
   Fail: (183) [system] string((0x563acd73bee0))
^  Call: (183) [user] cont_sexpr(')', (0x563acd73bee0), _565366)
^  Call: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _570000)
   Exit: (185) [system] peek_char((0x563acd73bee0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
   Call: (185) [system] '('=(/)
   Fail: (185) [system] '('=(/)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x563acd73bee0))
   Call: (184) [system] get_char((0x563acd73bee0), _586010)
   Exit: (184) [system] get_char((0x563acd73bee0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x563acd73bee0), _565366)
^  Call: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _591580)
   Exit: (186) [system] peek_char((0x563acd73bee0), a)
   Call: (186) [system] a=(;)
   Fail: (186) [system] a=(;)
   Call: (186) [system] a=(/)
   Fail: (186) [system] a=(/)
^  Call: (186) [user] is_like_space(a)
   Call: (187) [system] char_type(a, 'white')
   Fail: (187) [system] char_type(a, 'white')
   Call: (187) [system] char_type(a, end_of_line)
   Fail: (187) [system] char_type(a, end_of_line)
   Call: (187) [system] char_type(a, space)
   Fail: (187) [system] char_type(a, space)
   Call: (187) [system] char_type(a, cntrl)
   Fail: (187) [system] char_type(a, cntrl)
^  Fail: (186) [user] is_like_space(a)
^  Exit: (185) [user] skip_spaces((0x563acd73bee0))
   Call: (185) [system] peek_char((0x563acd73bee0), _607590)
   Exit: (185) [system] peek_char((0x563acd73bee0), a)
   Call: (185) [system] a=')'
   Fail: (185) [system] a=')'
   Call: (185) [system] a=end_of_file
   Fail: (185) [system] a=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x563acd73bee0), _613160)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _615018)
   Exit: (187) [system] peek_char((0x563acd73bee0), a)
   Call: (187) [system] a=(;)
   Fail: (187) [system] a=(;)
   Call: (187) [system] a=(/)
   Fail: (187) [system] a=(/)
^  Call: (187) [user] is_like_space(a)
   Call: (188) [system] char_type(a, 'white')
   Fail: (188) [system] char_type(a, 'white')
   Call: (188) [system] char_type(a, end_of_line)
   Fail: (188) [system] char_type(a, end_of_line)
   Call: (188) [system] char_type(a, space)
   Fail: (188) [system] char_type(a, space)
   Call: (188) [system] char_type(a, cntrl)
   Fail: (188) [system] char_type(a, cntrl)
^  Fail: (187) [user] is_like_space(a)
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] get_char((0x563acd73bee0), _631028)
   Exit: (186) [system] get_char((0x563acd73bee0), a)
   Call: (186) [system] a='('
   Fail: (186) [system] a='('
   Call: (186) [system] a='['
   Fail: (186) [system] a='['
   Call: (186) [system] a='{'
   Fail: (186) [system] a='{'
   Call: (186) [system] a='"'
   Fail: (186) [system] a='"'
   Call: (186) [system] a=!
   Fail: (186) [system] a=!
   Call: (186) [system] a='\''
   Fail: (186) [system] a='\''
   Call: (186) [system] a='`'
   Fail: (186) [system] a='`'
   Call: (186) [system] a=end_of_file
   Fail: (186) [system] a=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x563acd73bee0), a, _613160)
^  Call: (187) [user] read_symbolic_cont(')', (0x563acd73bee0), _648670)
   Call: (188) [system] peek_char((0x563acd73bee0), _649604)
   Exit: (188) [system] peek_char((0x563acd73bee0), s)
^  Call: (188) [user] is_delimiter(s)
   Call: (189) [system] char_type(s, space)
   Fail: (189) [system] char_type(s, space)
   Call: (189) [system] arg(_654324, v('(', ')', end_of_file), s)
   Fail: (189) [system] arg(_655256, v('(', ')', end_of_file), s)
^  Fail: (188) [user] is_delimiter(s)
   Call: (188) [system] ')'==s
   Fail: (188) [system] ')'==s
   Call: (188) [system] get_char((0x563acd73bee0), s)
   Exit: (188) [system] get_char((0x563acd73bee0), s)
   Call: (188) [system] s=(\)
   Fail: (188) [system] s=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), _662606)
   Call: (189) [system] peek_char((0x563acd73bee0), _663540)
   Exit: (189) [system] peek_char((0x563acd73bee0), s)
^  Call: (189) [user] is_delimiter(s)
   Call: (190) [system] char_type(s, space)
   Fail: (190) [system] char_type(s, space)
   Call: (190) [system] arg(_668260, v('(', ')', end_of_file), s)
   Fail: (190) [system] arg(_669192, v('(', ')', end_of_file), s)
^  Fail: (189) [user] is_delimiter(s)
   Call: (189) [system] ')'==s
   Fail: (189) [system] ')'==s
   Call: (189) [system] get_char((0x563acd73bee0), s)
   Exit: (189) [system] get_char((0x563acd73bee0), s)
   Call: (189) [system] s=(\)
   Fail: (189) [system] s=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), _676542)
   Call: (190) [system] peek_char((0x563acd73bee0), _677476)
   Exit: (190) [system] peek_char((0x563acd73bee0), e)
^  Call: (190) [user] is_delimiter(e)
   Call: (191) [system] char_type(e, space)
   Fail: (191) [system] char_type(e, space)
   Call: (191) [system] arg(_682196, v('(', ')', end_of_file), e)
   Fail: (191) [system] arg(_683128, v('(', ')', end_of_file), e)
^  Fail: (190) [user] is_delimiter(e)
   Call: (190) [system] ')'==e
   Fail: (190) [system] ')'==e
   Call: (190) [system] get_char((0x563acd73bee0), e)
   Exit: (190) [system] get_char((0x563acd73bee0), e)
   Call: (190) [system] e=(\)
   Fail: (190) [system] e=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), _690478)
   Call: (191) [system] peek_char((0x563acd73bee0), _691412)
   Exit: (191) [system] peek_char((0x563acd73bee0), r)
^  Call: (191) [user] is_delimiter(r)
   Call: (192) [system] char_type(r, space)
   Fail: (192) [system] char_type(r, space)
   Call: (192) [system] arg(_696132, v('(', ')', end_of_file), r)
   Fail: (192) [system] arg(_697064, v('(', ')', end_of_file), r)
^  Fail: (191) [user] is_delimiter(r)
   Call: (191) [system] ')'==r
   Fail: (191) [system] ')'==r
   Call: (191) [system] get_char((0x563acd73bee0), r)
   Exit: (191) [system] get_char((0x563acd73bee0), r)
   Call: (191) [system] r=(\)
   Fail: (191) [system] r=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), _704414)
   Call: (192) [system] peek_char((0x563acd73bee0), _705348)
   Exit: (192) [system] peek_char((0x563acd73bee0), t)
^  Call: (192) [user] is_delimiter(t)
   Call: (193) [system] char_type(t, space)
   Fail: (193) [system] char_type(t, space)
   Call: (193) [system] arg(_710068, v('(', ')', end_of_file), t)
   Fail: (193) [system] arg(_711000, v('(', ')', end_of_file), t)
^  Fail: (192) [user] is_delimiter(t)
   Call: (192) [system] ')'==t
   Fail: (192) [system] ')'==t
   Call: (192) [system] get_char((0x563acd73bee0), t)
   Exit: (192) [system] get_char((0x563acd73bee0), t)
   Call: (192) [system] t=(\)
   Fail: (192) [system] t=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), _718350)
   Call: (193) [system] peek_char((0x563acd73bee0), _719284)
   Exit: (193) [system] peek_char((0x563acd73bee0), 'E')
^  Call: (193) [user] is_delimiter('E')
   Call: (194) [system] char_type('E', space)
   Fail: (194) [system] char_type('E', space)
   Call: (194) [system] arg(_724004, v('(', ')', end_of_file), 'E')
   Fail: (194) [system] arg(_724936, v('(', ')', end_of_file), 'E')
^  Fail: (193) [user] is_delimiter('E')
   Call: (193) [system] ')'=='E'
   Fail: (193) [system] ')'=='E'
   Call: (193) [system] get_char((0x563acd73bee0), 'E')
   Exit: (193) [system] get_char((0x563acd73bee0), 'E')
   Call: (193) [system] 'E'=(\)
   Fail: (193) [system] 'E'=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _732286)
   Call: (194) [system] peek_char((0x563acd73bee0), _733220)
   Exit: (194) [system] peek_char((0x563acd73bee0), q)
^  Call: (194) [user] is_delimiter(q)
   Call: (195) [system] char_type(q, space)
   Fail: (195) [system] char_type(q, space)
   Call: (195) [system] arg(_737940, v('(', ')', end_of_file), q)
   Fail: (195) [system] arg(_738872, v('(', ')', end_of_file), q)
^  Fail: (194) [user] is_delimiter(q)
   Call: (194) [system] ')'==q
   Fail: (194) [system] ')'==q
   Call: (194) [system] get_char((0x563acd73bee0), q)
   Exit: (194) [system] get_char((0x563acd73bee0), q)
   Call: (194) [system] q=(\)
   Fail: (194) [system] q=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _746222)
   Call: (195) [system] peek_char((0x563acd73bee0), _747156)
   Exit: (195) [system] peek_char((0x563acd73bee0), u)
^  Call: (195) [user] is_delimiter(u)
   Call: (196) [system] char_type(u, space)
   Fail: (196) [system] char_type(u, space)
   Call: (196) [system] arg(_751876, v('(', ')', end_of_file), u)
   Fail: (196) [system] arg(_752808, v('(', ')', end_of_file), u)
^  Fail: (195) [user] is_delimiter(u)
   Call: (195) [system] ')'==u
   Fail: (195) [system] ')'==u
   Call: (195) [system] get_char((0x563acd73bee0), u)
   Exit: (195) [system] get_char((0x563acd73bee0), u)
   Call: (195) [system] u=(\)
   Fail: (195) [system] u=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _760158)
   Call: (196) [system] peek_char((0x563acd73bee0), _761092)
   Exit: (196) [system] peek_char((0x563acd73bee0), a)
^  Call: (196) [user] is_delimiter(a)
   Call: (197) [system] char_type(a, space)
   Fail: (197) [system] char_type(a, space)
   Call: (197) [system] arg(_765812, v('(', ')', end_of_file), a)
   Fail: (197) [system] arg(_766744, v('(', ')', end_of_file), a)
^  Fail: (196) [user] is_delimiter(a)
   Call: (196) [system] ')'==a
   Fail: (196) [system] ')'==a
   Call: (196) [system] get_char((0x563acd73bee0), a)
   Exit: (196) [system] get_char((0x563acd73bee0), a)
   Call: (196) [system] a=(\)
   Fail: (196) [system] a=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _774094)
   Call: (197) [system] peek_char((0x563acd73bee0), _775028)
   Exit: (197) [system] peek_char((0x563acd73bee0), l)
^  Call: (197) [user] is_delimiter(l)
   Call: (198) [system] char_type(l, space)
   Fail: (198) [system] char_type(l, space)
   Call: (198) [system] arg(_779748, v('(', ')', end_of_file), l)
   Fail: (198) [system] arg(_780680, v('(', ')', end_of_file), l)
^  Fail: (197) [user] is_delimiter(l)
   Call: (197) [system] ')'==l
   Fail: (197) [system] ')'==l
   Call: (197) [system] get_char((0x563acd73bee0), l)
   Exit: (197) [system] get_char((0x563acd73bee0), l)
   Call: (197) [system] l=(\)
   Fail: (197) [system] l=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _788030)
   Call: (198) [system] peek_char((0x563acd73bee0), _788964)
   Exit: (198) [system] peek_char((0x563acd73bee0), 'T')
^  Call: (198) [user] is_delimiter('T')
   Call: (199) [system] char_type('T', space)
   Fail: (199) [system] char_type('T', space)
   Call: (199) [system] arg(_793684, v('(', ')', end_of_file), 'T')
   Fail: (199) [system] arg(_794616, v('(', ')', end_of_file), 'T')
^  Fail: (198) [user] is_delimiter('T')
   Call: (198) [system] ')'=='T'
   Fail: (198) [system] ')'=='T'
   Call: (198) [system] get_char((0x563acd73bee0), 'T')
   Exit: (198) [system] get_char((0x563acd73bee0), 'T')
   Call: (198) [system] 'T'=(\)
   Fail: (198) [system] 'T'=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _801966)
   Call: (199) [system] peek_char((0x563acd73bee0), _802900)
   Exit: (199) [system] peek_char((0x563acd73bee0), o)
^  Call: (199) [user] is_delimiter(o)
   Call: (200) [system] char_type(o, space)
   Fail: (200) [system] char_type(o, space)
   Call: (200) [system] arg(_807620, v('(', ')', end_of_file), o)
   Fail: (200) [system] arg(_808552, v('(', ')', end_of_file), o)
^  Fail: (199) [user] is_delimiter(o)
   Call: (199) [system] ')'==o
   Fail: (199) [system] ')'==o
   Call: (199) [system] get_char((0x563acd73bee0), o)
   Exit: (199) [system] get_char((0x563acd73bee0), o)
   Call: (199) [system] o=(\)
   Fail: (199) [system] o=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _815902)
   Call: (200) [system] peek_char((0x563acd73bee0), _816836)
   Exit: (200) [system] peek_char((0x563acd73bee0), 'R')
^  Call: (200) [user] is_delimiter('R')
   Call: (201) [system] char_type('R', space)
   Fail: (201) [system] char_type('R', space)
   Call: (201) [system] arg(_821556, v('(', ')', end_of_file), 'R')
   Fail: (201) [system] arg(_822488, v('(', ')', end_of_file), 'R')
^  Fail: (200) [user] is_delimiter('R')
   Call: (200) [system] ')'=='R'
   Fail: (200) [system] ')'=='R'
   Call: (200) [system] get_char((0x563acd73bee0), 'R')
   Exit: (200) [system] get_char((0x563acd73bee0), 'R')
   Call: (200) [system] 'R'=(\)
   Fail: (200) [system] 'R'=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _829838)
   Call: (201) [system] peek_char((0x563acd73bee0), _830772)
   Exit: (201) [system] peek_char((0x563acd73bee0), e)
^  Call: (201) [user] is_delimiter(e)
   Call: (202) [system] char_type(e, space)
   Fail: (202) [system] char_type(e, space)
   Call: (202) [system] arg(_835492, v('(', ')', end_of_file), e)
   Fail: (202) [system] arg(_836424, v('(', ')', end_of_file), e)
^  Fail: (201) [user] is_delimiter(e)
   Call: (201) [system] ')'==e
   Fail: (201) [system] ')'==e
   Call: (201) [system] get_char((0x563acd73bee0), e)
   Exit: (201) [system] get_char((0x563acd73bee0), e)
   Call: (201) [system] e=(\)
   Fail: (201) [system] e=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _843774)
   Call: (202) [system] peek_char((0x563acd73bee0), _844708)
   Exit: (202) [system] peek_char((0x563acd73bee0), s)
^  Call: (202) [user] is_delimiter(s)
   Call: (203) [system] char_type(s, space)
   Fail: (203) [system] char_type(s, space)
   Call: (203) [system] arg(_849428, v('(', ')', end_of_file), s)
   Fail: (203) [system] arg(_850360, v('(', ')', end_of_file), s)
^  Fail: (202) [user] is_delimiter(s)
   Call: (202) [system] ')'==s
   Fail: (202) [system] ')'==s
   Call: (202) [system] get_char((0x563acd73bee0), s)
   Exit: (202) [system] get_char((0x563acd73bee0), s)
   Call: (202) [system] s=(\)
   Fail: (202) [system] s=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _857710)
   Call: (203) [system] peek_char((0x563acd73bee0), _858644)
   Exit: (203) [system] peek_char((0x563acd73bee0), u)
^  Call: (203) [user] is_delimiter(u)
   Call: (204) [system] char_type(u, space)
   Fail: (204) [system] char_type(u, space)
   Call: (204) [system] arg(_863364, v('(', ')', end_of_file), u)
   Fail: (204) [system] arg(_864296, v('(', ')', end_of_file), u)
^  Fail: (203) [user] is_delimiter(u)
   Call: (203) [system] ')'==u
   Fail: (203) [system] ')'==u
   Call: (203) [system] get_char((0x563acd73bee0), u)
   Exit: (203) [system] get_char((0x563acd73bee0), u)
   Call: (203) [system] u=(\)
   Fail: (203) [system] u=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _871646)
   Call: (204) [system] peek_char((0x563acd73bee0), _872580)
   Exit: (204) [system] peek_char((0x563acd73bee0), l)
^  Call: (204) [user] is_delimiter(l)
   Call: (205) [system] char_type(l, space)
   Fail: (205) [system] char_type(l, space)
   Call: (205) [system] arg(_877300, v('(', ')', end_of_file), l)
   Fail: (205) [system] arg(_878232, v('(', ')', end_of_file), l)
^  Fail: (204) [user] is_delimiter(l)
   Call: (204) [system] ')'==l
   Fail: (204) [system] ')'==l
   Call: (204) [system] get_char((0x563acd73bee0), l)
   Exit: (204) [system] get_char((0x563acd73bee0), l)
   Call: (204) [system] l=(\)
   Fail: (204) [system] l=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _885582)
   Call: (205) [system] peek_char((0x563acd73bee0), _886516)
   Exit: (205) [system] peek_char((0x563acd73bee0), t)
^  Call: (205) [user] is_delimiter(t)
   Call: (206) [system] char_type(t, space)
   Fail: (206) [system] char_type(t, space)
   Call: (206) [system] arg(_891236, v('(', ')', end_of_file), t)
   Fail: (206) [system] arg(_892168, v('(', ')', end_of_file), t)
^  Fail: (205) [user] is_delimiter(t)
   Call: (205) [system] ')'==t
   Fail: (205) [system] ')'==t
   Call: (205) [system] get_char((0x563acd73bee0), t)
   Exit: (205) [system] get_char((0x563acd73bee0), t)
   Call: (205) [system] t=(\)
   Fail: (205) [system] t=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _899518)
   Call: (206) [system] peek_char((0x563acd73bee0), _900452)
   Exit: (206) [system] peek_char((0x563acd73bee0), '\n')
^  Call: (206) [user] is_delimiter('\n')
   Call: (207) [system] char_type('\n', space)
   Exit: (207) [system] char_type('\n', space)
^  Exit: (206) [user] is_delimiter('\n')
   Call: (206) [system] _899518=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (205) [system] _885582=[t]
   Exit: (205) [system] [t]=[t]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [t])
   Call: (204) [system] _871646=[l, t]
   Exit: (204) [system] [l, t]=[l, t]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, t])
   Call: (203) [system] _857710=[u, l, t]
   Exit: (203) [system] [u, l, t]=[u, l, t]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, l, t])
   Call: (202) [system] _843774=[s, u, l, t]
   Exit: (202) [system] [s, u, l, t]=[s, u, l, t]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, u, l, t])
   Call: (201) [system] _829838=[e, s, u, l, t]
   Exit: (201) [system] [e, s, u, l, t]=[e, s, u, l, t]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, s, u, l, t])
   Call: (200) [system] _815902=['R', e, s, u, l, t]
   Exit: (200) [system] ['R', e, s, u, l, t]=['R', e, s, u, l, t]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), ['R', e, s, u, l, t])
   Call: (199) [system] _801966=[o, 'R', e, s, u, l, t]
   Exit: (199) [system] [o, 'R', e, s, u, l, t]=[o, 'R', e, s, u, l, t]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, 'R', e, s, u, l, t])
   Call: (198) [system] _788030=['T', o, 'R', e, s, u, l, t]
   Exit: (198) [system] ['T', o, 'R', e, s, u, l, t]=['T', o, 'R', e, s, u, l, t]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), ['T', o, 'R', e, s, u, l, t])
   Call: (197) [system] _774094=[l, 'T', o, 'R', e, s, u, l, t]
   Exit: (197) [system] [l, 'T', o, 'R', e, s, u, l, t]=[l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, 'T', o, 'R', e, s, u, l, t])
   Call: (196) [system] _760158=[a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (196) [system] [a, l, 'T', o, 'R', e, s, u, l, t]=[a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (195) [system] _746222=[u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (195) [system] [u, a, l, 'T', o, 'R', e, s, u, l, t]=[u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (194) [system] _732286=[q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (194) [system] [q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (193) [system] _718350=['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (193) [system] ['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), ['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (192) [system] _704414=[t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (192) [system] [t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (191) [system] _690478=[r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (191) [system] [r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (190) [system] _676542=[e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (190) [system] [e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (189) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (189) [system] _662606=[s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (189) [system] [s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (188) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (188) [system] _648670=[s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (188) [system] [s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (187) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
^  Call: (187) [user] classify_and_convert_charseq([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], _613160)
^  Call: (188) [user] classify_and_convert_charseq_([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], _960028)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_960980, _960982), once(user:catch(read_from_chars([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], _960028), _960962, fail)), '$restore_trace'(_960980, _960982))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_960980, _960982))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], assertEqualToResult), _960962, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(assertEqualToResult)
   Exit: (189) [system] atomic(assertEqualToResult)
^  Exit: (188) [user] classify_and_convert_charseq_([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], assertEqualToResult)
   Call: (188) [system] integer(assertEqualToResult)
   Fail: (188) [system] integer(assertEqualToResult)
   Call: (188) [system] _613160=assertEqualToResult
   Exit: (188) [system] assertEqualToResult=assertEqualToResult
^  Exit: (187) [user] classify_and_convert_charseq([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], assertEqualToResult)
^  Exit: (186) [user] read_symbolic(')', (0x563acd73bee0), a, assertEqualToResult)
^  Exit: (185) [user] cont_sexpr(')', (0x563acd73bee0), assertEqualToResult)
^  Call: (185) [user] read_list(')', (0x563acd73bee0), _973108)
^  Call: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _974966)
   Exit: (187) [system] peek_char((0x563acd73bee0), '\n')
   Call: (187) [system] '\n'=(;)
   Fail: (187) [system] '\n'=(;)
   Call: (187) [system] '\n'=(/)
   Fail: (187) [system] '\n'=(/)
^  Call: (187) [user] is_like_space('\n')
   Call: (188) [system] char_type('\n', 'white')
   Fail: (188) [system] char_type('\n', 'white')
   Call: (188) [system] char_type('\n', end_of_line)
   Exit: (188) [system] char_type('\n', end_of_line)
^  Exit: (187) [user] is_like_space('\n')
   Call: (187) [system] get_char((0x563acd73bee0), _986416)
   Exit: (187) [system] get_char((0x563acd73bee0), '\n')
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _989120)
   Exit: (188) [system] peek_char((0x563acd73bee0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
   Call: (188) [system] ' '=(/)
   Fail: (188) [system] ' '=(/)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x563acd73bee0), _998714)
   Exit: (188) [system] get_char((0x563acd73bee0), ' ')
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1001418)
   Exit: (189) [system] peek_char((0x563acd73bee0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
   Call: (189) [system] ' '=(/)
   Fail: (189) [system] ' '=(/)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x563acd73bee0), _1011012)
   Exit: (189) [system] get_char((0x563acd73bee0), ' ')
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1013716)
   Exit: (190) [system] peek_char((0x563acd73bee0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
^  Exit: (186) [user] skip_spaces((0x563acd73bee0))
   Call: (186) [system] peek_char((0x563acd73bee0), _1032498)
   Exit: (186) [system] peek_char((0x563acd73bee0), '(')
   Call: (186) [system] '('=')'
   Fail: (186) [system] '('=')'
   Call: (186) [system] '('=end_of_file
   Fail: (186) [system] '('=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x563acd73bee0), _1038068)
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _1039926)
   Exit: (188) [system] peek_char((0x563acd73bee0), '(')
   Call: (188) [system] '('=(;)
   Fail: (188) [system] '('=(;)
   Call: (188) [system] '('=(/)
   Fail: (188) [system] '('=(/)
^  Call: (188) [user] is_like_space('(')
   Call: (189) [system] char_type('(', 'white')
   Fail: (189) [system] char_type('(', 'white')
   Call: (189) [system] char_type('(', end_of_line)
   Fail: (189) [system] char_type('(', end_of_line)
   Call: (189) [system] char_type('(', space)
   Fail: (189) [system] char_type('(', space)
   Call: (189) [system] char_type('(', cntrl)
   Fail: (189) [system] char_type('(', cntrl)
^  Fail: (188) [user] is_like_space('(')
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] get_char((0x563acd73bee0), _1055936)
   Exit: (187) [system] get_char((0x563acd73bee0), '(')
   Call: (187) [system] '('='('
   Exit: (187) [system] '('='('
^  Call: (187) [user] read_list(')', (0x563acd73bee0), _1038068)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1061506)
   Exit: (189) [system] peek_char((0x563acd73bee0), s)
   Call: (189) [system] s=(;)
   Fail: (189) [system] s=(;)
   Call: (189) [system] s=(/)
   Fail: (189) [system] s=(/)
^  Call: (189) [user] is_like_space(s)
   Call: (190) [system] char_type(s, 'white')
   Fail: (190) [system] char_type(s, 'white')
   Call: (190) [system] char_type(s, end_of_line)
   Fail: (190) [system] char_type(s, end_of_line)
   Call: (190) [system] char_type(s, space)
   Fail: (190) [system] char_type(s, space)
   Call: (190) [system] char_type(s, cntrl)
   Fail: (190) [system] char_type(s, cntrl)
^  Fail: (189) [user] is_like_space(s)
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _1077516)
   Exit: (188) [system] peek_char((0x563acd73bee0), s)
   Call: (188) [system] s=')'
   Fail: (188) [system] s=')'
   Call: (188) [system] s=end_of_file
   Fail: (188) [system] s=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x563acd73bee0), _1083086)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1084944)
   Exit: (190) [system] peek_char((0x563acd73bee0), s)
   Call: (190) [system] s=(;)
   Fail: (190) [system] s=(;)
   Call: (190) [system] s=(/)
   Fail: (190) [system] s=(/)
^  Call: (190) [user] is_like_space(s)
   Call: (191) [system] char_type(s, 'white')
   Fail: (191) [system] char_type(s, 'white')
   Call: (191) [system] char_type(s, end_of_line)
   Fail: (191) [system] char_type(s, end_of_line)
   Call: (191) [system] char_type(s, space)
   Fail: (191) [system] char_type(s, space)
   Call: (191) [system] char_type(s, cntrl)
   Fail: (191) [system] char_type(s, cntrl)
^  Fail: (190) [user] is_like_space(s)
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] get_char((0x563acd73bee0), _1100954)
   Exit: (189) [system] get_char((0x563acd73bee0), s)
   Call: (189) [system] s='('
   Fail: (189) [system] s='('
   Call: (189) [system] s='['
   Fail: (189) [system] s='['
   Call: (189) [system] s='{'
   Fail: (189) [system] s='{'
   Call: (189) [system] s='"'
   Fail: (189) [system] s='"'
   Call: (189) [system] s=!
   Fail: (189) [system] s=!
   Call: (189) [system] s='\''
   Fail: (189) [system] s='\''
   Call: (189) [system] s='`'
   Fail: (189) [system] s='`'
   Call: (189) [system] s=end_of_file
   Fail: (189) [system] s=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x563acd73bee0), s, _1083086)
^  Call: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), _1118596)
   Call: (191) [system] peek_char((0x563acd73bee0), _1119530)
   Exit: (191) [system] peek_char((0x563acd73bee0), y)
^  Call: (191) [user] is_delimiter(y)
   Call: (192) [system] char_type(y, space)
   Fail: (192) [system] char_type(y, space)
   Call: (192) [system] arg(_1124250, v('(', ')', end_of_file), y)
   Fail: (192) [system] arg(_1125182, v('(', ')', end_of_file), y)
^  Fail: (191) [user] is_delimiter(y)
   Call: (191) [system] ')'==y
   Fail: (191) [system] ')'==y
   Call: (191) [system] get_char((0x563acd73bee0), y)
   Exit: (191) [system] get_char((0x563acd73bee0), y)
   Call: (191) [system] y=(\)
   Fail: (191) [system] y=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), _1132532)
   Call: (192) [system] peek_char((0x563acd73bee0), _1133466)
   Exit: (192) [system] peek_char((0x563acd73bee0), n)
^  Call: (192) [user] is_delimiter(n)
   Call: (193) [system] char_type(n, space)
   Fail: (193) [system] char_type(n, space)
   Call: (193) [system] arg(_1138186, v('(', ')', end_of_file), n)
   Fail: (193) [system] arg(_1139118, v('(', ')', end_of_file), n)
^  Fail: (192) [user] is_delimiter(n)
   Call: (192) [system] ')'==n
   Fail: (192) [system] ')'==n
   Call: (192) [system] get_char((0x563acd73bee0), n)
   Exit: (192) [system] get_char((0x563acd73bee0), n)
   Call: (192) [system] n=(\)
   Fail: (192) [system] n=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), _1146468)
   Call: (193) [system] peek_char((0x563acd73bee0), _1147402)
   Exit: (193) [system] peek_char((0x563acd73bee0), t)
^  Call: (193) [user] is_delimiter(t)
   Call: (194) [system] char_type(t, space)
   Fail: (194) [system] char_type(t, space)
   Call: (194) [system] arg(_1152122, v('(', ')', end_of_file), t)
   Fail: (194) [system] arg(_1153054, v('(', ')', end_of_file), t)
^  Fail: (193) [user] is_delimiter(t)
   Call: (193) [system] ')'==t
   Fail: (193) [system] ')'==t
   Call: (193) [system] get_char((0x563acd73bee0), t)
   Exit: (193) [system] get_char((0x563acd73bee0), t)
   Call: (193) [system] t=(\)
   Fail: (193) [system] t=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _1160404)
   Call: (194) [system] peek_char((0x563acd73bee0), _1161338)
   Exit: (194) [system] peek_char((0x563acd73bee0), h)
^  Call: (194) [user] is_delimiter(h)
   Call: (195) [system] char_type(h, space)
   Fail: (195) [system] char_type(h, space)
   Call: (195) [system] arg(_1166058, v('(', ')', end_of_file), h)
   Fail: (195) [system] arg(_1166990, v('(', ')', end_of_file), h)
^  Fail: (194) [user] is_delimiter(h)
   Call: (194) [system] ')'==h
   Fail: (194) [system] ')'==h
   Call: (194) [system] get_char((0x563acd73bee0), h)
   Exit: (194) [system] get_char((0x563acd73bee0), h)
   Call: (194) [system] h=(\)
   Fail: (194) [system] h=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _1174340)
   Call: (195) [system] peek_char((0x563acd73bee0), _1175274)
   Exit: (195) [system] peek_char((0x563acd73bee0), e)
^  Call: (195) [user] is_delimiter(e)
   Call: (196) [system] char_type(e, space)
   Fail: (196) [system] char_type(e, space)
   Call: (196) [system] arg(_1179994, v('(', ')', end_of_file), e)
   Fail: (196) [system] arg(_1180926, v('(', ')', end_of_file), e)
^  Fail: (195) [user] is_delimiter(e)
   Call: (195) [system] ')'==e
   Fail: (195) [system] ')'==e
   Call: (195) [system] get_char((0x563acd73bee0), e)
   Exit: (195) [system] get_char((0x563acd73bee0), e)
   Call: (195) [system] e=(\)
   Fail: (195) [system] e=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _1188276)
   Call: (196) [system] peek_char((0x563acd73bee0), _1189210)
   Exit: (196) [system] peek_char((0x563acd73bee0), s)
^  Call: (196) [user] is_delimiter(s)
   Call: (197) [system] char_type(s, space)
   Fail: (197) [system] char_type(s, space)
   Call: (197) [system] arg(_1193930, v('(', ')', end_of_file), s)
   Fail: (197) [system] arg(_1194862, v('(', ')', end_of_file), s)
^  Fail: (196) [user] is_delimiter(s)
   Call: (196) [system] ')'==s
   Fail: (196) [system] ')'==s
   Call: (196) [system] get_char((0x563acd73bee0), s)
   Exit: (196) [system] get_char((0x563acd73bee0), s)
   Call: (196) [system] s=(\)
   Fail: (196) [system] s=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _1202212)
   Call: (197) [system] peek_char((0x563acd73bee0), _1203146)
   Exit: (197) [system] peek_char((0x563acd73bee0), i)
^  Call: (197) [user] is_delimiter(i)
   Call: (198) [system] char_type(i, space)
   Fail: (198) [system] char_type(i, space)
   Call: (198) [system] arg(_1207866, v('(', ')', end_of_file), i)
   Fail: (198) [system] arg(_1208798, v('(', ')', end_of_file), i)
^  Fail: (197) [user] is_delimiter(i)
   Call: (197) [system] ')'==i
   Fail: (197) [system] ')'==i
   Call: (197) [system] get_char((0x563acd73bee0), i)
   Exit: (197) [system] get_char((0x563acd73bee0), i)
   Call: (197) [system] i=(\)
   Fail: (197) [system] i=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _1216148)
   Call: (198) [system] peek_char((0x563acd73bee0), _1217082)
   Exit: (198) [system] peek_char((0x563acd73bee0), z)
^  Call: (198) [user] is_delimiter(z)
   Call: (199) [system] char_type(z, space)
   Fail: (199) [system] char_type(z, space)
   Call: (199) [system] arg(_1221802, v('(', ')', end_of_file), z)
   Fail: (199) [system] arg(_1222734, v('(', ')', end_of_file), z)
^  Fail: (198) [user] is_delimiter(z)
   Call: (198) [system] ')'==z
   Fail: (198) [system] ')'==z
   Call: (198) [system] get_char((0x563acd73bee0), z)
   Exit: (198) [system] get_char((0x563acd73bee0), z)
   Call: (198) [system] z=(\)
   Fail: (198) [system] z=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _1230084)
   Call: (199) [system] peek_char((0x563acd73bee0), _1231018)
   Exit: (199) [system] peek_char((0x563acd73bee0), e)
^  Call: (199) [user] is_delimiter(e)
   Call: (200) [system] char_type(e, space)
   Fail: (200) [system] char_type(e, space)
   Call: (200) [system] arg(_1235738, v('(', ')', end_of_file), e)
   Fail: (200) [system] arg(_1236670, v('(', ')', end_of_file), e)
^  Fail: (199) [user] is_delimiter(e)
   Call: (199) [system] ')'==e
   Fail: (199) [system] ')'==e
   Call: (199) [system] get_char((0x563acd73bee0), e)
   Exit: (199) [system] get_char((0x563acd73bee0), e)
   Call: (199) [system] e=(\)
   Fail: (199) [system] e=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _1244020)
   Call: (200) [system] peek_char((0x563acd73bee0), _1244954)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _1244020=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (199) [system] _1230084=[e]
   Exit: (199) [system] [e]=[e]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [e])
   Call: (198) [system] _1216148=[z, e]
   Exit: (198) [system] [z, e]=[z, e]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [z, e])
   Call: (197) [system] _1202212=[i, z, e]
   Exit: (197) [system] [i, z, e]=[i, z, e]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, z, e])
   Call: (196) [system] _1188276=[s, i, z, e]
   Exit: (196) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, i, z, e])
   Call: (195) [system] _1174340=[e, s, i, z, e]
   Exit: (195) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, s, i, z, e])
   Call: (194) [system] _1160404=[h, e, s, i, z, e]
   Exit: (194) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [h, e, s, i, z, e])
   Call: (193) [system] _1146468=[t, h, e, s, i, z, e]
   Exit: (193) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, h, e, s, i, z, e])
   Call: (192) [system] _1132532=[n, t, h, e, s, i, z, e]
   Exit: (192) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (191) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, h, e, s, i, z, e])
   Call: (191) [system] _1118596=[y, n, t, h, e, s, i, z, e]
   Exit: (191) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (190) [user] read_symbolic_cont(')', (0x563acd73bee0), [y, n, t, h, e, s, i, z, e])
^  Call: (190) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], _1083086)
^  Call: (191) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], _1279384)
^  Call: (193) [system] setup_call_cleanup('$notrace'(_1280336, _1280338), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _1279384), _1280318, fail)), '$restore_trace'(_1280336, _1280338))
^  Call: (194) [system] sig_atomic(system:'$notrace'(_1280336, _1280338))
^  Exit: (193) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _1280318, fail)), system:'$restore_trace'(3, -1))
   Call: (192) [system] atomic(synthesize)
   Exit: (192) [system] atomic(synthesize)
^  Exit: (191) [user] classify_and_convert_charseq_([s, y, n, t, h, e, s, i, z, e], synthesize)
   Call: (191) [system] integer(synthesize)
   Fail: (191) [system] integer(synthesize)
   Call: (191) [system] _1083086=synthesize
   Exit: (191) [system] synthesize=synthesize
^  Exit: (190) [user] classify_and_convert_charseq([s, y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (189) [user] read_symbolic(')', (0x563acd73bee0), s, synthesize)
^  Exit: (188) [user] cont_sexpr(')', (0x563acd73bee0), synthesize)
^  Call: (188) [user] read_list(')', (0x563acd73bee0), _1292464)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1294322)
   Exit: (190) [system] peek_char((0x563acd73bee0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
   Call: (190) [system] ' '=(/)
   Fail: (190) [system] ' '=(/)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x563acd73bee0), _1303916)
   Exit: (190) [system] get_char((0x563acd73bee0), ' ')
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _1306620)
   Exit: (191) [system] peek_char((0x563acd73bee0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _1323554)
   Exit: (189) [system] peek_char((0x563acd73bee0), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x563acd73bee0), _1329124)
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _1330982)
   Exit: (191) [system] peek_char((0x563acd73bee0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] get_char((0x563acd73bee0), _1346992)
   Exit: (190) [system] get_char((0x563acd73bee0), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x563acd73bee0), _1329124)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1352562)
   Exit: (192) [system] peek_char((0x563acd73bee0), :)
   Call: (192) [system] (:)=(;)
   Fail: (192) [system] (:)=(;)
   Call: (192) [system] (:)=(/)
   Fail: (192) [system] (:)=(/)
^  Call: (192) [user] is_like_space(:)
   Call: (193) [system] char_type(:, 'white')
   Fail: (193) [system] char_type(:, 'white')
   Call: (193) [system] char_type(:, end_of_line)
   Fail: (193) [system] char_type(:, end_of_line)
   Call: (193) [system] char_type(:, space)
   Fail: (193) [system] char_type(:, space)
   Call: (193) [system] char_type(:, cntrl)
   Fail: (193) [system] char_type(:, cntrl)
^  Fail: (192) [user] is_like_space(:)
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _1368572)
   Exit: (191) [system] peek_char((0x563acd73bee0), :)
   Call: (191) [system] (:)=')'
   Fail: (191) [system] (:)=')'
   Call: (191) [system] (:)=end_of_file
   Fail: (191) [system] (:)=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x563acd73bee0), _1374142)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1376000)
   Exit: (193) [system] peek_char((0x563acd73bee0), :)
   Call: (193) [system] (:)=(;)
   Fail: (193) [system] (:)=(;)
   Call: (193) [system] (:)=(/)
   Fail: (193) [system] (:)=(/)
^  Call: (193) [user] is_like_space(:)
   Call: (194) [system] char_type(:, 'white')
   Fail: (194) [system] char_type(:, 'white')
   Call: (194) [system] char_type(:, end_of_line)
   Fail: (194) [system] char_type(:, end_of_line)
   Call: (194) [system] char_type(:, space)
   Fail: (194) [system] char_type(:, space)
   Call: (194) [system] char_type(:, cntrl)
   Fail: (194) [system] char_type(:, cntrl)
^  Fail: (193) [user] is_like_space(:)
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] get_char((0x563acd73bee0), _1392010)
   Exit: (192) [system] get_char((0x563acd73bee0), :)
   Call: (192) [system] (:)='('
   Fail: (192) [system] (:)='('
   Call: (192) [system] (:)='['
   Fail: (192) [system] (:)='['
   Call: (192) [system] (:)='{'
   Fail: (192) [system] (:)='{'
   Call: (192) [system] (:)='"'
   Fail: (192) [system] (:)='"'
   Call: (192) [system] (:)=!
   Fail: (192) [system] (:)=!
   Call: (192) [system] (:)='\''
   Fail: (192) [system] (:)='\''
   Call: (192) [system] (:)='`'
   Fail: (192) [system] (:)='`'
   Call: (192) [system] (:)=end_of_file
   Fail: (192) [system] (:)=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x563acd73bee0), :, _1374142)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _1409652)
   Call: (194) [system] peek_char((0x563acd73bee0), _1410586)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _1409652=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (193) [user] classify_and_convert_charseq([:], _1374142)
^  Call: (194) [user] classify_and_convert_charseq_([:], _1419870)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_1420822, _1420824), once(user:catch(read_from_chars([:], _1419870), _1420804, fail)), '$restore_trace'(_1420822, _1420824))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_1420822, _1420824))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1420804, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(:)
   Exit: (195) [system] atomic(:)
^  Exit: (194) [user] classify_and_convert_charseq_([:], :)
   Call: (194) [system] integer(:)
   Fail: (194) [system] integer(:)
   Call: (194) [system] _1374142=(:)
   Exit: (194) [system] (:)=(:)
^  Exit: (193) [user] classify_and_convert_charseq([:], :)
^  Exit: (192) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (191) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (191) [user] read_list(')', (0x563acd73bee0), _1432950)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1434808)
   Exit: (193) [system] peek_char((0x563acd73bee0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x563acd73bee0), _1444402)
   Exit: (193) [system] get_char((0x563acd73bee0), ' ')
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1447106)
   Exit: (194) [system] peek_char((0x563acd73bee0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1464040)
   Exit: (192) [system] peek_char((0x563acd73bee0), $)
   Call: (192) [system] ($)=')'
   Fail: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x563acd73bee0), _1469610)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1471468)
   Exit: (194) [system] peek_char((0x563acd73bee0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
   Call: (194) [system] ($)=(/)
   Fail: (194) [system] ($)=(/)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] get_char((0x563acd73bee0), _1487478)
   Exit: (193) [system] get_char((0x563acd73bee0), $)
   Call: (193) [system] ($)='('
   Fail: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Fail: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Fail: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Fail: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Fail: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Fail: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Fail: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x563acd73bee0), $, _1469610)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _1505120)
   Call: (195) [system] peek_char((0x563acd73bee0), _1506054)
   Exit: (195) [system] peek_char((0x563acd73bee0), t)
^  Call: (195) [user] is_delimiter(t)
   Call: (196) [system] char_type(t, space)
   Fail: (196) [system] char_type(t, space)
   Call: (196) [system] arg(_1510774, v('(', ')', end_of_file), t)
   Fail: (196) [system] arg(_1511706, v('(', ')', end_of_file), t)
^  Fail: (195) [user] is_delimiter(t)
   Call: (195) [system] ')'==t
   Fail: (195) [system] ')'==t
   Call: (195) [system] get_char((0x563acd73bee0), t)
   Exit: (195) [system] get_char((0x563acd73bee0), t)
   Call: (195) [system] t=(\)
   Fail: (195) [system] t=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _1519056)
   Call: (196) [system] peek_char((0x563acd73bee0), _1519990)
   Exit: (196) [system] peek_char((0x563acd73bee0), e)
^  Call: (196) [user] is_delimiter(e)
   Call: (197) [system] char_type(e, space)
   Fail: (197) [system] char_type(e, space)
   Call: (197) [system] arg(_1524710, v('(', ')', end_of_file), e)
   Fail: (197) [system] arg(_1525642, v('(', ')', end_of_file), e)
^  Fail: (196) [user] is_delimiter(e)
   Call: (196) [system] ')'==e
   Fail: (196) [system] ')'==e
   Call: (196) [system] get_char((0x563acd73bee0), e)
   Exit: (196) [system] get_char((0x563acd73bee0), e)
   Call: (196) [system] e=(\)
   Fail: (196) [system] e=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _1532992)
   Call: (197) [system] peek_char((0x563acd73bee0), _1533926)
   Exit: (197) [system] peek_char((0x563acd73bee0), r)
^  Call: (197) [user] is_delimiter(r)
   Call: (198) [system] char_type(r, space)
   Fail: (198) [system] char_type(r, space)
   Call: (198) [system] arg(_1538646, v('(', ')', end_of_file), r)
   Fail: (198) [system] arg(_1539578, v('(', ')', end_of_file), r)
^  Fail: (197) [user] is_delimiter(r)
   Call: (197) [system] ')'==r
   Fail: (197) [system] ')'==r
   Call: (197) [system] get_char((0x563acd73bee0), r)
   Exit: (197) [system] get_char((0x563acd73bee0), r)
   Call: (197) [system] r=(\)
   Fail: (197) [system] r=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _1546928)
   Call: (198) [system] peek_char((0x563acd73bee0), _1547862)
   Exit: (198) [system] peek_char((0x563acd73bee0), m)
^  Call: (198) [user] is_delimiter(m)
   Call: (199) [system] char_type(m, space)
   Fail: (199) [system] char_type(m, space)
   Call: (199) [system] arg(_1552582, v('(', ')', end_of_file), m)
   Fail: (199) [system] arg(_1553514, v('(', ')', end_of_file), m)
^  Fail: (198) [user] is_delimiter(m)
   Call: (198) [system] ')'==m
   Fail: (198) [system] ')'==m
   Call: (198) [system] get_char((0x563acd73bee0), m)
   Exit: (198) [system] get_char((0x563acd73bee0), m)
   Call: (198) [system] m=(\)
   Fail: (198) [system] m=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _1560864)
   Call: (199) [system] peek_char((0x563acd73bee0), _1561798)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (199) [user] is_delimiter(' ')
   Call: (200) [system] char_type(' ', space)
   Exit: (200) [system] char_type(' ', space)
^  Exit: (199) [user] is_delimiter(' ')
   Call: (199) [system] _1560864=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (198) [system] _1546928=[m]
   Exit: (198) [system] [m]=[m]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [m])
   Call: (197) [system] _1532992=[r, m]
   Exit: (197) [system] [r, m]=[r, m]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, m])
   Call: (196) [system] _1519056=[e, r, m]
   Exit: (196) [system] [e, r, m]=[e, r, m]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [e, r, m])
   Call: (195) [system] _1505120=[t, e, r, m]
   Exit: (195) [system] [t, e, r, m]=[t, e, r, m]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, e, r, m])
^  Call: (194) [user] classify_and_convert_charseq([$, t, e, r, m], _1469610)
^  Call: (195) [user] classify_and_convert_charseq_([$, t, e, r, m], _1582258)
   Call: (196) [system] atom_chars(_1583190, ['_', t, e, r, m])
   Exit: (196) [system] atom_chars('_term', ['_', t, e, r, m])
^  Exit: (195) [user] classify_and_convert_charseq_([$, t, e, r, m], _term)
   Call: (195) [system] integer(_term)
   Fail: (195) [system] integer(_term)
   Call: (195) [system] _1469610=_term
   Exit: (195) [system] _term=_term
^  Exit: (194) [user] classify_and_convert_charseq([$, t, e, r, m], _term)
^  Exit: (193) [user] read_symbolic(')', (0x563acd73bee0), $, _term)
^  Exit: (192) [user] cont_sexpr(')', (0x563acd73bee0), _term)
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _1592482)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1594340)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x563acd73bee0), _1603934)
   Exit: (194) [system] get_char((0x563acd73bee0), ' ')
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1606638)
   Exit: (195) [system] peek_char((0x563acd73bee0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1623572)
   Exit: (193) [system] peek_char((0x563acd73bee0), $)
   Call: (193) [system] ($)=')'
   Fail: (193) [system] ($)=')'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x563acd73bee0), _1629142)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1631000)
   Exit: (195) [system] peek_char((0x563acd73bee0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
   Call: (195) [system] ($)=(/)
   Fail: (195) [system] ($)=(/)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] get_char((0x563acd73bee0), _1647010)
   Exit: (194) [system] get_char((0x563acd73bee0), $)
   Call: (194) [system] ($)='('
   Fail: (194) [system] ($)='('
   Call: (194) [system] ($)='['
   Fail: (194) [system] ($)='['
   Call: (194) [system] ($)='{'
   Fail: (194) [system] ($)='{'
   Call: (194) [system] ($)='"'
   Fail: (194) [system] ($)='"'
   Call: (194) [system] ($)=!
   Fail: (194) [system] ($)=!
   Call: (194) [system] ($)='\''
   Fail: (194) [system] ($)='\''
   Call: (194) [system] ($)='`'
   Fail: (194) [system] ($)='`'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x563acd73bee0), $, _1629142)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _1664652)
   Call: (196) [system] peek_char((0x563acd73bee0), _1665586)
   Exit: (196) [system] peek_char((0x563acd73bee0), t)
^  Call: (196) [user] is_delimiter(t)
   Call: (197) [system] char_type(t, space)
   Fail: (197) [system] char_type(t, space)
   Call: (197) [system] arg(_1670306, v('(', ')', end_of_file), t)
   Fail: (197) [system] arg(_1671238, v('(', ')', end_of_file), t)
^  Fail: (196) [user] is_delimiter(t)
   Call: (196) [system] ')'==t
   Fail: (196) [system] ')'==t
   Call: (196) [system] get_char((0x563acd73bee0), t)
   Exit: (196) [system] get_char((0x563acd73bee0), t)
   Call: (196) [system] t=(\)
   Fail: (196) [system] t=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _1678588)
   Call: (197) [system] peek_char((0x563acd73bee0), _1679522)
   Exit: (197) [system] peek_char((0x563acd73bee0), y)
^  Call: (197) [user] is_delimiter(y)
   Call: (198) [system] char_type(y, space)
   Fail: (198) [system] char_type(y, space)
   Call: (198) [system] arg(_1684242, v('(', ')', end_of_file), y)
   Fail: (198) [system] arg(_1685174, v('(', ')', end_of_file), y)
^  Fail: (197) [user] is_delimiter(y)
   Call: (197) [system] ')'==y
   Fail: (197) [system] ')'==y
   Call: (197) [system] get_char((0x563acd73bee0), y)
   Exit: (197) [system] get_char((0x563acd73bee0), y)
   Call: (197) [system] y=(\)
   Fail: (197) [system] y=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _1692524)
   Call: (198) [system] peek_char((0x563acd73bee0), _1693458)
   Exit: (198) [system] peek_char((0x563acd73bee0), p)
^  Call: (198) [user] is_delimiter(p)
   Call: (199) [system] char_type(p, space)
   Fail: (199) [system] char_type(p, space)
   Call: (199) [system] arg(_1698178, v('(', ')', end_of_file), p)
   Fail: (199) [system] arg(_1699110, v('(', ')', end_of_file), p)
^  Fail: (198) [user] is_delimiter(p)
   Call: (198) [system] ')'==p
   Fail: (198) [system] ')'==p
   Call: (198) [system] get_char((0x563acd73bee0), p)
   Exit: (198) [system] get_char((0x563acd73bee0), p)
   Call: (198) [system] p=(\)
   Fail: (198) [system] p=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _1706460)
   Call: (199) [system] peek_char((0x563acd73bee0), _1707394)
   Exit: (199) [system] peek_char((0x563acd73bee0), e)
^  Call: (199) [user] is_delimiter(e)
   Call: (200) [system] char_type(e, space)
   Fail: (200) [system] char_type(e, space)
   Call: (200) [system] arg(_1712114, v('(', ')', end_of_file), e)
   Fail: (200) [system] arg(_1713046, v('(', ')', end_of_file), e)
^  Fail: (199) [user] is_delimiter(e)
   Call: (199) [system] ')'==e
   Fail: (199) [system] ')'==e
   Call: (199) [system] get_char((0x563acd73bee0), e)
   Exit: (199) [system] get_char((0x563acd73bee0), e)
   Call: (199) [system] e=(\)
   Fail: (199) [system] e=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _1720396)
   Call: (200) [system] peek_char((0x563acd73bee0), _1721330)
   Exit: (200) [system] peek_char((0x563acd73bee0), ')')
^  Call: (200) [user] is_delimiter(')')
   Call: (201) [system] char_type(')', space)
   Fail: (201) [system] char_type(')', space)
   Call: (201) [system] arg(_1726050, v('(', ')', end_of_file), ')')
   Exit: (201) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (200) [user] is_delimiter(')')
   Call: (200) [system] _1720396=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (199) [system] _1706460=[e]
   Exit: (199) [system] [e]=[e]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [e])
   Call: (198) [system] _1692524=[p, e]
   Exit: (198) [system] [p, e]=[p, e]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, e])
   Call: (197) [system] _1678588=[y, p, e]
   Exit: (197) [system] [y, p, e]=[y, p, e]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [y, p, e])
   Call: (196) [system] _1664652=[t, y, p, e]
   Exit: (196) [system] [t, y, p, e]=[t, y, p, e]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, y, p, e])
^  Call: (195) [user] classify_and_convert_charseq([$, t, y, p, e], _1629142)
^  Call: (196) [user] classify_and_convert_charseq_([$, t, y, p, e], _1743662)
   Call: (197) [system] atom_chars(_1744594, ['_', t, y, p, e])
   Exit: (197) [system] atom_chars('_type', ['_', t, y, p, e])
^  Exit: (196) [user] classify_and_convert_charseq_([$, t, y, p, e], _type)
   Call: (196) [system] integer(_type)
   Fail: (196) [system] integer(_type)
   Call: (196) [system] _1629142=_type
   Exit: (196) [system] _type=_type
^  Exit: (195) [user] classify_and_convert_charseq([$, t, y, p, e], _type)
^  Exit: (194) [user] read_symbolic(')', (0x563acd73bee0), $, _type)
^  Exit: (193) [user] cont_sexpr(')', (0x563acd73bee0), _type)
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _1753886)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1755744)
   Exit: (195) [system] peek_char((0x563acd73bee0), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
   Call: (195) [system] ')'=(/)
   Fail: (195) [system] ')'=(/)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1771754)
   Exit: (194) [system] peek_char((0x563acd73bee0), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x563acd73bee0), _1775544)
   Exit: (194) [system] get_char((0x563acd73bee0), ')')
   Call: (194) [system] _1753886=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), [])
   Call: (193) [system] _1592482=[_type]
   Exit: (193) [system] [_type]=[_type]
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), [_type])
   Call: (192) [system] _1432950=[_term, _type]
   Exit: (192) [system] [_term, _type]=[_term, _type]
^  Exit: (191) [user] read_list(')', (0x563acd73bee0), [_term, _type])
   Call: (191) [system] _1329124=[:, _term, _type]
   Exit: (191) [system] [:, _term, _type]=[:, _term, _type]
^  Exit: (190) [user] read_list(')', (0x563acd73bee0), [:, _term, _type])
^  Exit: (189) [user] cont_sexpr(')', (0x563acd73bee0), [:, _term, _type])
^  Call: (189) [user] read_list(')', (0x563acd73bee0), _1789426)
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _1791284)
   Exit: (191) [system] peek_char((0x563acd73bee0), ' ')
   Call: (191) [system] ' '=(;)
   Fail: (191) [system] ' '=(;)
   Call: (191) [system] ' '=(/)
   Fail: (191) [system] ' '=(/)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x563acd73bee0), _1800878)
   Exit: (191) [system] get_char((0x563acd73bee0), ' ')
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1803582)
   Exit: (192) [system] peek_char((0x563acd73bee0), k)
   Call: (192) [system] k=(;)
   Fail: (192) [system] k=(;)
   Call: (192) [system] k=(/)
   Fail: (192) [system] k=(/)
^  Call: (192) [user] is_like_space(k)
   Call: (193) [system] char_type(k, 'white')
   Fail: (193) [system] char_type(k, 'white')
   Call: (193) [system] char_type(k, end_of_line)
   Fail: (193) [system] char_type(k, end_of_line)
   Call: (193) [system] char_type(k, space)
   Fail: (193) [system] char_type(k, space)
   Call: (193) [system] char_type(k, cntrl)
   Fail: (193) [system] char_type(k, cntrl)
^  Fail: (192) [user] is_like_space(k)
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1820516)
   Exit: (190) [system] peek_char((0x563acd73bee0), k)
   Call: (190) [system] k=')'
   Fail: (190) [system] k=')'
   Call: (190) [system] k=end_of_file
   Fail: (190) [system] k=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x563acd73bee0), _1826086)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1827944)
   Exit: (192) [system] peek_char((0x563acd73bee0), k)
   Call: (192) [system] k=(;)
   Fail: (192) [system] k=(;)
   Call: (192) [system] k=(/)
   Fail: (192) [system] k=(/)
^  Call: (192) [user] is_like_space(k)
   Call: (193) [system] char_type(k, 'white')
   Fail: (193) [system] char_type(k, 'white')
   Call: (193) [system] char_type(k, end_of_line)
   Fail: (193) [system] char_type(k, end_of_line)
   Call: (193) [system] char_type(k, space)
   Fail: (193) [system] char_type(k, space)
   Call: (193) [system] char_type(k, cntrl)
   Fail: (193) [system] char_type(k, cntrl)
^  Fail: (192) [user] is_like_space(k)
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] get_char((0x563acd73bee0), _1843954)
   Exit: (191) [system] get_char((0x563acd73bee0), k)
   Call: (191) [system] k='('
   Fail: (191) [system] k='('
   Call: (191) [system] k='['
   Fail: (191) [system] k='['
   Call: (191) [system] k='{'
   Fail: (191) [system] k='{'
   Call: (191) [system] k='"'
   Fail: (191) [system] k='"'
   Call: (191) [system] k=!
   Fail: (191) [system] k=!
   Call: (191) [system] k='\''
   Fail: (191) [system] k='\''
   Call: (191) [system] k='`'
   Fail: (191) [system] k='`'
   Call: (191) [system] k=end_of_file
   Fail: (191) [system] k=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x563acd73bee0), k, _1826086)
^  Call: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), _1861596)
   Call: (193) [system] peek_char((0x563acd73bee0), _1862530)
   Exit: (193) [system] peek_char((0x563acd73bee0), b)
^  Call: (193) [user] is_delimiter(b)
   Call: (194) [system] char_type(b, space)
   Fail: (194) [system] char_type(b, space)
   Call: (194) [system] arg(_1867250, v('(', ')', end_of_file), b)
   Fail: (194) [system] arg(_1868182, v('(', ')', end_of_file), b)
^  Fail: (193) [user] is_delimiter(b)
   Call: (193) [system] ')'==b
   Fail: (193) [system] ')'==b
   Call: (193) [system] get_char((0x563acd73bee0), b)
   Exit: (193) [system] get_char((0x563acd73bee0), b)
   Call: (193) [system] b=(\)
   Fail: (193) [system] b=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _1875532)
   Call: (194) [system] peek_char((0x563acd73bee0), _1876466)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _1875532=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (193) [system] _1861596=[b]
   Exit: (193) [system] [b]=[b]
^  Exit: (192) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
^  Call: (192) [user] classify_and_convert_charseq([k, b], _1826086)
^  Call: (193) [user] classify_and_convert_charseq_([k, b], _1888544)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_1889496, _1889498), once(user:catch(read_from_chars([k, b], _1888544), _1889478, fail)), '$restore_trace'(_1889496, _1889498))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_1889496, _1889498))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([k, b], kb), _1889478, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(kb)
   Exit: (194) [system] atomic(kb)
^  Exit: (193) [user] classify_and_convert_charseq_([k, b], kb)
   Call: (193) [system] integer(kb)
   Fail: (193) [system] integer(kb)
   Call: (193) [system] _1826086=kb
   Exit: (193) [system] kb=kb
^  Exit: (192) [user] classify_and_convert_charseq([k, b], kb)
^  Exit: (191) [user] read_symbolic(')', (0x563acd73bee0), k, kb)
^  Exit: (190) [user] cont_sexpr(')', (0x563acd73bee0), kb)
^  Call: (190) [user] read_list(')', (0x563acd73bee0), _1901624)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1903482)
   Exit: (192) [system] peek_char((0x563acd73bee0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x563acd73bee0), _1913076)
   Exit: (192) [system] get_char((0x563acd73bee0), ' ')
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1915780)
   Exit: (193) [system] peek_char((0x563acd73bee0), r)
   Call: (193) [system] r=(;)
   Fail: (193) [system] r=(;)
   Call: (193) [system] r=(/)
   Fail: (193) [system] r=(/)
^  Call: (193) [user] is_like_space(r)
   Call: (194) [system] char_type(r, 'white')
   Fail: (194) [system] char_type(r, 'white')
   Call: (194) [system] char_type(r, end_of_line)
   Fail: (194) [system] char_type(r, end_of_line)
   Call: (194) [system] char_type(r, space)
   Fail: (194) [system] char_type(r, space)
   Call: (194) [system] char_type(r, cntrl)
   Fail: (194) [system] char_type(r, cntrl)
^  Fail: (193) [user] is_like_space(r)
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _1932714)
   Exit: (191) [system] peek_char((0x563acd73bee0), r)
   Call: (191) [system] r=')'
   Fail: (191) [system] r=')'
   Call: (191) [system] r=end_of_file
   Fail: (191) [system] r=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x563acd73bee0), _1938284)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1940142)
   Exit: (193) [system] peek_char((0x563acd73bee0), r)
   Call: (193) [system] r=(;)
   Fail: (193) [system] r=(;)
   Call: (193) [system] r=(/)
   Fail: (193) [system] r=(/)
^  Call: (193) [user] is_like_space(r)
   Call: (194) [system] char_type(r, 'white')
   Fail: (194) [system] char_type(r, 'white')
   Call: (194) [system] char_type(r, end_of_line)
   Fail: (194) [system] char_type(r, end_of_line)
   Call: (194) [system] char_type(r, space)
   Fail: (194) [system] char_type(r, space)
   Call: (194) [system] char_type(r, cntrl)
   Fail: (194) [system] char_type(r, cntrl)
^  Fail: (193) [user] is_like_space(r)
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] get_char((0x563acd73bee0), _1956152)
   Exit: (192) [system] get_char((0x563acd73bee0), r)
   Call: (192) [system] r='('
   Fail: (192) [system] r='('
   Call: (192) [system] r='['
   Fail: (192) [system] r='['
   Call: (192) [system] r='{'
   Fail: (192) [system] r='{'
   Call: (192) [system] r='"'
   Fail: (192) [system] r='"'
   Call: (192) [system] r=!
   Fail: (192) [system] r=!
   Call: (192) [system] r='\''
   Fail: (192) [system] r='\''
   Call: (192) [system] r='`'
   Fail: (192) [system] r='`'
   Call: (192) [system] r=end_of_file
   Fail: (192) [system] r=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x563acd73bee0), r, _1938284)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _1973794)
   Call: (194) [system] peek_char((0x563acd73bee0), _1974728)
   Exit: (194) [system] peek_char((0x563acd73bee0), b)
^  Call: (194) [user] is_delimiter(b)
   Call: (195) [system] char_type(b, space)
   Fail: (195) [system] char_type(b, space)
   Call: (195) [system] arg(_1979448, v('(', ')', end_of_file), b)
   Fail: (195) [system] arg(_1980380, v('(', ')', end_of_file), b)
^  Fail: (194) [user] is_delimiter(b)
   Call: (194) [system] ')'==b
   Fail: (194) [system] ')'==b
   Call: (194) [system] get_char((0x563acd73bee0), b)
   Exit: (194) [system] get_char((0x563acd73bee0), b)
   Call: (194) [system] b=(\)
   Fail: (194) [system] b=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _1987730)
   Call: (195) [system] peek_char((0x563acd73bee0), _1988664)
   Exit: (195) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (195) [user] is_delimiter(' ')
   Call: (196) [system] char_type(' ', space)
   Exit: (196) [system] char_type(' ', space)
^  Exit: (195) [user] is_delimiter(' ')
   Call: (195) [system] _1987730=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (194) [system] _1973794=[b]
   Exit: (194) [system] [b]=[b]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [b])
^  Call: (193) [user] classify_and_convert_charseq([r, b], _1938284)
^  Call: (194) [user] classify_and_convert_charseq_([r, b], _2000742)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_2001694, _2001696), once(user:catch(read_from_chars([r, b], _2000742), _2001676, fail)), '$restore_trace'(_2001694, _2001696))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_2001694, _2001696))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([r, b], rb), _2001676, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(rb)
   Exit: (195) [system] atomic(rb)
^  Exit: (194) [user] classify_and_convert_charseq_([r, b], rb)
   Call: (194) [system] integer(rb)
   Fail: (194) [system] integer(rb)
   Call: (194) [system] _1938284=rb
   Exit: (194) [system] rb=rb
^  Exit: (193) [user] classify_and_convert_charseq([r, b], rb)
^  Exit: (192) [user] read_symbolic(')', (0x563acd73bee0), r, rb)
^  Exit: (191) [user] cont_sexpr(')', (0x563acd73bee0), rb)
^  Call: (191) [user] read_list(')', (0x563acd73bee0), _2013822)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _2015680)
   Exit: (193) [system] peek_char((0x563acd73bee0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x563acd73bee0), _2025274)
   Exit: (193) [system] get_char((0x563acd73bee0), ' ')
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _2027978)
   Exit: (194) [system] peek_char((0x563acd73bee0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _2044912)
   Exit: (192) [system] peek_char((0x563acd73bee0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x563acd73bee0), _2050482)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _2052340)
   Exit: (194) [system] peek_char((0x563acd73bee0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] get_char((0x563acd73bee0), _2068350)
   Exit: (193) [system] get_char((0x563acd73bee0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _2050482)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _2073920)
   Exit: (195) [system] peek_char((0x563acd73bee0), 'S')
   Call: (195) [system] 'S'=(;)
   Fail: (195) [system] 'S'=(;)
   Call: (195) [system] 'S'=(/)
   Fail: (195) [system] 'S'=(/)
^  Call: (195) [user] is_like_space('S')
   Call: (196) [system] char_type('S', 'white')
   Fail: (196) [system] char_type('S', 'white')
   Call: (196) [system] char_type('S', end_of_line)
   Fail: (196) [system] char_type('S', end_of_line)
   Call: (196) [system] char_type('S', space)
   Fail: (196) [system] char_type('S', space)
   Call: (196) [system] char_type('S', cntrl)
   Fail: (196) [system] char_type('S', cntrl)
^  Fail: (195) [user] is_like_space('S')
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _2089930)
   Exit: (194) [system] peek_char((0x563acd73bee0), 'S')
   Call: (194) [system] 'S'=')'
   Fail: (194) [system] 'S'=')'
   Call: (194) [system] 'S'=end_of_file
   Fail: (194) [system] 'S'=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x563acd73bee0), _2095500)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _4032)
   Exit: (196) [system] peek_char((0x563acd73bee0), 'S')
   Call: (196) [system] 'S'=(;)
   Fail: (196) [system] 'S'=(;)
   Call: (196) [system] 'S'=(/)
   Fail: (196) [system] 'S'=(/)
^  Call: (196) [user] is_like_space('S')
   Call: (197) [system] char_type('S', 'white')
   Fail: (197) [system] char_type('S', 'white')
   Call: (197) [system] char_type('S', end_of_line)
   Fail: (197) [system] char_type('S', end_of_line)
   Call: (197) [system] char_type('S', space)
   Fail: (197) [system] char_type('S', space)
   Call: (197) [system] char_type('S', cntrl)
   Fail: (197) [system] char_type('S', cntrl)
^  Fail: (196) [user] is_like_space('S')
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] get_char((0x563acd73bee0), _20042)
   Exit: (195) [system] get_char((0x563acd73bee0), 'S')
   Call: (195) [system] 'S'='('
   Fail: (195) [system] 'S'='('
   Call: (195) [system] 'S'='['
   Fail: (195) [system] 'S'='['
   Call: (195) [system] 'S'='{'
   Fail: (195) [system] 'S'='{'
   Call: (195) [system] 'S'='"'
   Fail: (195) [system] 'S'='"'
   Call: (195) [system] 'S'=!
   Fail: (195) [system] 'S'=!
   Call: (195) [system] 'S'='\''
   Fail: (195) [system] 'S'='\''
   Call: (195) [system] 'S'='`'
   Fail: (195) [system] 'S'='`'
   Call: (195) [system] 'S'=end_of_file
   Fail: (195) [system] 'S'=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x563acd73bee0), 'S', _3434)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _37684)
   Call: (197) [system] peek_char((0x563acd73bee0), _38618)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _37684=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (196) [user] classify_and_convert_charseq(['S'], _3434)
^  Call: (197) [user] classify_and_convert_charseq_(['S'], _47902)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_48854, _48856), once(user:catch(read_from_chars(['S'], _47902), _48836, fail)), '$restore_trace'(_48854, _48856))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_48854, _48856))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['S'], _47902), _48836, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(_47902)
   Fail: (198) [system] atomic(_47902)
   Call: (198) [system] atom_chars(_47902, ['S'])
   Exit: (198) [system] atom_chars('S', ['S'])
^  Exit: (197) [user] classify_and_convert_charseq_(['S'], 'S')
   Call: (197) [system] integer('S')
   Fail: (197) [system] integer('S')
   Call: (197) [system] _3434='S'
   Exit: (197) [system] 'S'='S'
^  Exit: (196) [user] classify_and_convert_charseq(['S'], 'S')
^  Exit: (195) [user] read_symbolic(')', (0x563acd73bee0), 'S', 'S')
^  Exit: (194) [user] cont_sexpr(')', (0x563acd73bee0), 'S')
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _62852)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _64710)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x563acd73bee0), _74304)
   Exit: (196) [system] get_char((0x563acd73bee0), ' ')
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _77008)
   Exit: (197) [system] peek_char((0x563acd73bee0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _93942)
   Exit: (195) [system] peek_char((0x563acd73bee0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x563acd73bee0), _99512)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _101370)
   Exit: (197) [system] peek_char((0x563acd73bee0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] get_char((0x563acd73bee0), _117380)
   Exit: (196) [system] get_char((0x563acd73bee0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x563acd73bee0), _99512)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _122950)
   Exit: (198) [system] peek_char((0x563acd73bee0), 'S')
   Call: (198) [system] 'S'=(;)
   Fail: (198) [system] 'S'=(;)
   Call: (198) [system] 'S'=(/)
   Fail: (198) [system] 'S'=(/)
^  Call: (198) [user] is_like_space('S')
   Call: (199) [system] char_type('S', 'white')
   Fail: (199) [system] char_type('S', 'white')
   Call: (199) [system] char_type('S', end_of_line)
   Fail: (199) [system] char_type('S', end_of_line)
   Call: (199) [system] char_type('S', space)
   Fail: (199) [system] char_type('S', space)
   Call: (199) [system] char_type('S', cntrl)
   Fail: (199) [system] char_type('S', cntrl)
^  Fail: (198) [user] is_like_space('S')
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _138960)
   Exit: (197) [system] peek_char((0x563acd73bee0), 'S')
   Call: (197) [system] 'S'=')'
   Fail: (197) [system] 'S'=')'
   Call: (197) [system] 'S'=end_of_file
   Fail: (197) [system] 'S'=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x563acd73bee0), _144530)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _146388)
   Exit: (199) [system] peek_char((0x563acd73bee0), 'S')
   Call: (199) [system] 'S'=(;)
   Fail: (199) [system] 'S'=(;)
   Call: (199) [system] 'S'=(/)
   Fail: (199) [system] 'S'=(/)
^  Call: (199) [user] is_like_space('S')
   Call: (200) [system] char_type('S', 'white')
   Fail: (200) [system] char_type('S', 'white')
   Call: (200) [system] char_type('S', end_of_line)
   Fail: (200) [system] char_type('S', end_of_line)
   Call: (200) [system] char_type('S', space)
   Fail: (200) [system] char_type('S', space)
   Call: (200) [system] char_type('S', cntrl)
   Fail: (200) [system] char_type('S', cntrl)
^  Fail: (199) [user] is_like_space('S')
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] get_char((0x563acd73bee0), _162398)
   Exit: (198) [system] get_char((0x563acd73bee0), 'S')
   Call: (198) [system] 'S'='('
   Fail: (198) [system] 'S'='('
   Call: (198) [system] 'S'='['
   Fail: (198) [system] 'S'='['
   Call: (198) [system] 'S'='{'
   Fail: (198) [system] 'S'='{'
   Call: (198) [system] 'S'='"'
   Fail: (198) [system] 'S'='"'
   Call: (198) [system] 'S'=!
   Fail: (198) [system] 'S'=!
   Call: (198) [system] 'S'='\''
   Fail: (198) [system] 'S'='\''
   Call: (198) [system] 'S'='`'
   Fail: (198) [system] 'S'='`'
   Call: (198) [system] 'S'=end_of_file
   Fail: (198) [system] 'S'=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x563acd73bee0), 'S', _144530)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _180040)
   Call: (200) [system] peek_char((0x563acd73bee0), _180974)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _180040=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (199) [user] classify_and_convert_charseq(['S'], _144530)
^  Call: (200) [user] classify_and_convert_charseq_(['S'], _190258)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_191210, _191212), once(user:catch(read_from_chars(['S'], _190258), _191192, fail)), '$restore_trace'(_191210, _191212))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_191210, _191212))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['S'], _190258), _191192, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(_190258)
   Fail: (201) [system] atomic(_190258)
   Call: (201) [system] atom_chars(_190258, ['S'])
   Exit: (201) [system] atom_chars('S', ['S'])
^  Exit: (200) [user] classify_and_convert_charseq_(['S'], 'S')
   Call: (200) [system] integer('S')
   Fail: (200) [system] integer('S')
   Call: (200) [system] _144530='S'
   Exit: (200) [system] 'S'='S'
^  Exit: (199) [user] classify_and_convert_charseq(['S'], 'S')
^  Exit: (198) [user] read_symbolic(')', (0x563acd73bee0), 'S', 'S')
^  Exit: (197) [user] cont_sexpr(')', (0x563acd73bee0), 'S')
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _205208)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _207066)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x563acd73bee0), _216660)
   Exit: (199) [system] get_char((0x563acd73bee0), ' ')
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _219364)
   Exit: (200) [system] peek_char((0x563acd73bee0), 'Z')
   Call: (200) [system] 'Z'=(;)
   Fail: (200) [system] 'Z'=(;)
   Call: (200) [system] 'Z'=(/)
   Fail: (200) [system] 'Z'=(/)
^  Call: (200) [user] is_like_space('Z')
   Call: (201) [system] char_type('Z', 'white')
   Fail: (201) [system] char_type('Z', 'white')
   Call: (201) [system] char_type('Z', end_of_line)
   Fail: (201) [system] char_type('Z', end_of_line)
   Call: (201) [system] char_type('Z', space)
   Fail: (201) [system] char_type('Z', space)
   Call: (201) [system] char_type('Z', cntrl)
   Fail: (201) [system] char_type('Z', cntrl)
^  Fail: (200) [user] is_like_space('Z')
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _236298)
   Exit: (198) [system] peek_char((0x563acd73bee0), 'Z')
   Call: (198) [system] 'Z'=')'
   Fail: (198) [system] 'Z'=')'
   Call: (198) [system] 'Z'=end_of_file
   Fail: (198) [system] 'Z'=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x563acd73bee0), _241868)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _243726)
   Exit: (200) [system] peek_char((0x563acd73bee0), 'Z')
   Call: (200) [system] 'Z'=(;)
   Fail: (200) [system] 'Z'=(;)
   Call: (200) [system] 'Z'=(/)
   Fail: (200) [system] 'Z'=(/)
^  Call: (200) [user] is_like_space('Z')
   Call: (201) [system] char_type('Z', 'white')
   Fail: (201) [system] char_type('Z', 'white')
   Call: (201) [system] char_type('Z', end_of_line)
   Fail: (201) [system] char_type('Z', end_of_line)
   Call: (201) [system] char_type('Z', space)
   Fail: (201) [system] char_type('Z', space)
   Call: (201) [system] char_type('Z', cntrl)
   Fail: (201) [system] char_type('Z', cntrl)
^  Fail: (200) [user] is_like_space('Z')
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] get_char((0x563acd73bee0), _259736)
   Exit: (199) [system] get_char((0x563acd73bee0), 'Z')
   Call: (199) [system] 'Z'='('
   Fail: (199) [system] 'Z'='('
   Call: (199) [system] 'Z'='['
   Fail: (199) [system] 'Z'='['
   Call: (199) [system] 'Z'='{'
   Fail: (199) [system] 'Z'='{'
   Call: (199) [system] 'Z'='"'
   Fail: (199) [system] 'Z'='"'
   Call: (199) [system] 'Z'=!
   Fail: (199) [system] 'Z'=!
   Call: (199) [system] 'Z'='\''
   Fail: (199) [system] 'Z'='\''
   Call: (199) [system] 'Z'='`'
   Fail: (199) [system] 'Z'='`'
   Call: (199) [system] 'Z'=end_of_file
   Fail: (199) [system] 'Z'=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x563acd73bee0), 'Z', _241868)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _277378)
   Call: (201) [system] peek_char((0x563acd73bee0), _278312)
   Exit: (201) [system] peek_char((0x563acd73bee0), ')')
^  Call: (201) [user] is_delimiter(')')
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] arg(_283032, v('(', ')', end_of_file), ')')
   Exit: (202) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (201) [user] is_delimiter(')')
   Call: (201) [system] _277378=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (200) [user] classify_and_convert_charseq(['Z'], _241868)
^  Call: (201) [user] classify_and_convert_charseq_(['Z'], _289468)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_290420, _290422), once(user:catch(read_from_chars(['Z'], _289468), _290402, fail)), '$restore_trace'(_290420, _290422))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_290420, _290422))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['Z'], _289468), _290402, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(_289468)
   Fail: (202) [system] atomic(_289468)
   Call: (202) [system] atom_chars(_289468, ['Z'])
   Exit: (202) [system] atom_chars('Z', ['Z'])
^  Exit: (201) [user] classify_and_convert_charseq_(['Z'], 'Z')
   Call: (201) [system] integer('Z')
   Fail: (201) [system] integer('Z')
   Call: (201) [system] _241868='Z'
   Exit: (201) [system] 'Z'='Z'
^  Exit: (200) [user] classify_and_convert_charseq(['Z'], 'Z')
^  Exit: (199) [user] read_symbolic(')', (0x563acd73bee0), 'Z', 'Z')
^  Exit: (198) [user] cont_sexpr(')', (0x563acd73bee0), 'Z')
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _304418)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _306276)
   Exit: (200) [system] peek_char((0x563acd73bee0), ')')
   Call: (200) [system] ')'=(;)
   Fail: (200) [system] ')'=(;)
   Call: (200) [system] ')'=(/)
   Fail: (200) [system] ')'=(/)
^  Call: (200) [user] is_like_space(')')
   Call: (201) [system] char_type(')', 'white')
   Fail: (201) [system] char_type(')', 'white')
   Call: (201) [system] char_type(')', end_of_line)
   Fail: (201) [system] char_type(')', end_of_line)
   Call: (201) [system] char_type(')', space)
   Fail: (201) [system] char_type(')', space)
   Call: (201) [system] char_type(')', cntrl)
   Fail: (201) [system] char_type(')', cntrl)
^  Fail: (200) [user] is_like_space(')')
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _322286)
   Exit: (199) [system] peek_char((0x563acd73bee0), ')')
   Call: (199) [system] ')'=')'
   Exit: (199) [system] ')'=')'
   Call: (199) [system] get_char((0x563acd73bee0), _326076)
   Exit: (199) [system] get_char((0x563acd73bee0), ')')
   Call: (199) [system] _304418=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_list(')', (0x563acd73bee0), [])
   Call: (198) [system] _205208=['Z']
   Exit: (198) [system] ['Z']=['Z']
^  Exit: (197) [user] read_list(')', (0x563acd73bee0), ['Z'])
   Call: (197) [system] _99512=['S', 'Z']
   Exit: (197) [system] ['S', 'Z']=['S', 'Z']
^  Exit: (196) [user] read_list(')', (0x563acd73bee0), ['S', 'Z'])
^  Exit: (195) [user] cont_sexpr(')', (0x563acd73bee0), ['S', 'Z'])
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _337164)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _339022)
   Exit: (197) [system] peek_char((0x563acd73bee0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _355032)
   Exit: (196) [system] peek_char((0x563acd73bee0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x563acd73bee0), _358822)
   Exit: (196) [system] get_char((0x563acd73bee0), ')')
   Call: (196) [system] _337164=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), [])
   Call: (195) [system] _62852=[['S', 'Z']]
   Exit: (195) [system] [['S', 'Z']]=[['S', 'Z']]
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), [['S', 'Z']])
   Call: (194) [system] _3428=['S', ['S', 'Z']]
   Exit: (194) [system] ['S', ['S', 'Z']]=['S', ['S', 'Z']]
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), ['S', ['S', 'Z']])
^  Exit: (192) [user] cont_sexpr(')', (0x563acd73bee0), ['S', ['S', 'Z']])
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _369910)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _371768)
   Exit: (194) [system] peek_char((0x563acd73bee0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
   Call: (194) [system] ')'=(/)
   Fail: (194) [system] ')'=(/)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _387778)
   Exit: (193) [system] peek_char((0x563acd73bee0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x563acd73bee0), _391568)
   Exit: (193) [system] get_char((0x563acd73bee0), ')')
   Call: (193) [system] _369910=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), [])
   Call: (192) [system] _3424=[['S', ['S', 'Z']]]
   Exit: (192) [system] [['S', ['S', 'Z']]]=[['S', ['S', 'Z']]]
^  Exit: (191) [user] read_list(')', (0x563acd73bee0), [['S', ['S', 'Z']]])
   Call: (191) [system] _3418=[rb, ['S', ['S', 'Z']]]
   Exit: (191) [system] [rb, ['S', ['S', 'Z']]]=[rb, ['S', ['S', 'Z']]]
^  Exit: (190) [user] read_list(')', (0x563acd73bee0), [rb, ['S', ['S', 'Z']]])
   Call: (190) [system] _3412=[kb, rb, ['S', ['S', 'Z']]]
   Exit: (190) [system] [kb, rb, ['S', ['S', 'Z']]]=[kb, rb, ['S', ['S', 'Z']]]
^  Exit: (189) [user] read_list(')', (0x563acd73bee0), [kb, rb, ['S', ['S', 'Z']]])
   Call: (189) [system] _3380=[[:, _term, _type], kb, rb, ['S', ['S', 'Z']]]
   Exit: (189) [system] [[:, _term, _type], kb, rb, ['S', ['S', 'Z']]]=[[:, _term, _type], kb, rb, ['S', ['S', 'Z']]]
^  Exit: (188) [user] read_list(')', (0x563acd73bee0), [[:, _term, _type], kb, rb, ['S', ['S', 'Z']]])
   Call: (188) [system] _3372=[synthesize, [:, _term, _type], kb, rb, ['S', ['S', 'Z']]]
   Exit: (188) [system] [synthesize, [:, _term, _type], kb, rb, ['S', ['S', 'Z']]]=[synthesize, [:, _term, _type], kb, rb, ['S', ['S', 'Z']]]
^  Exit: (187) [user] read_list(')', (0x563acd73bee0), [synthesize, [:, _term, _type], kb, rb, ['S', ['S', 'Z']]])
^  Exit: (186) [user] cont_sexpr(')', (0x563acd73bee0), [synthesize, [:, _term, _type], kb, rb, ['S', ['S', 'Z']]])
^  Call: (186) [user] read_list(')', (0x563acd73bee0), _411038)
^  Call: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] peek_char((0x563acd73bee0), _412896)
   Exit: (188) [system] peek_char((0x563acd73bee0), '\n')
   Call: (188) [system] '\n'=(;)
   Fail: (188) [system] '\n'=(;)
   Call: (188) [system] '\n'=(/)
   Fail: (188) [system] '\n'=(/)
^  Call: (188) [user] is_like_space('\n')
   Call: (189) [system] char_type('\n', 'white')
   Fail: (189) [system] char_type('\n', 'white')
   Call: (189) [system] char_type('\n', end_of_line)
   Exit: (189) [system] char_type('\n', end_of_line)
^  Exit: (188) [user] is_like_space('\n')
   Call: (188) [system] get_char((0x563acd73bee0), _424346)
   Exit: (188) [system] get_char((0x563acd73bee0), '\n')
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _427050)
   Exit: (189) [system] peek_char((0x563acd73bee0), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
   Call: (189) [system] '('=(/)
   Fail: (189) [system] '('=(/)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
^  Exit: (187) [user] skip_spaces((0x563acd73bee0))
   Call: (187) [system] peek_char((0x563acd73bee0), _443984)
   Exit: (187) [system] peek_char((0x563acd73bee0), '(')
   Call: (187) [system] '('=')'
   Fail: (187) [system] '('=')'
   Call: (187) [system] '('=end_of_file
   Fail: (187) [system] '('=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x563acd73bee0), _449554)
^  Call: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _451412)
   Exit: (189) [system] peek_char((0x563acd73bee0), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
   Call: (189) [system] '('=(/)
   Fail: (189) [system] '('=(/)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x563acd73bee0))
   Call: (188) [system] get_char((0x563acd73bee0), _467422)
   Exit: (188) [system] get_char((0x563acd73bee0), '(')
   Call: (188) [system] '('='('
   Exit: (188) [system] '('='('
^  Call: (188) [user] read_list(')', (0x563acd73bee0), _449554)
^  Call: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _472992)
   Exit: (190) [system] peek_char((0x563acd73bee0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
   Call: (190) [system] '('=(/)
   Fail: (190) [system] '('=(/)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x563acd73bee0))
   Call: (189) [system] peek_char((0x563acd73bee0), _489002)
   Exit: (189) [system] peek_char((0x563acd73bee0), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x563acd73bee0), _494572)
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _496430)
   Exit: (191) [system] peek_char((0x563acd73bee0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
   Call: (191) [system] '('=(/)
   Fail: (191) [system] '('=(/)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] get_char((0x563acd73bee0), _512440)
   Exit: (190) [system] get_char((0x563acd73bee0), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x563acd73bee0), _494572)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _518010)
   Exit: (192) [system] peek_char((0x563acd73bee0), :)
   Call: (192) [system] (:)=(;)
   Fail: (192) [system] (:)=(;)
   Call: (192) [system] (:)=(/)
   Fail: (192) [system] (:)=(/)
^  Call: (192) [user] is_like_space(:)
   Call: (193) [system] char_type(:, 'white')
   Fail: (193) [system] char_type(:, 'white')
   Call: (193) [system] char_type(:, end_of_line)
   Fail: (193) [system] char_type(:, end_of_line)
   Call: (193) [system] char_type(:, space)
   Fail: (193) [system] char_type(:, space)
   Call: (193) [system] char_type(:, cntrl)
   Fail: (193) [system] char_type(:, cntrl)
^  Fail: (192) [user] is_like_space(:)
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _534020)
   Exit: (191) [system] peek_char((0x563acd73bee0), :)
   Call: (191) [system] (:)=')'
   Fail: (191) [system] (:)=')'
   Call: (191) [system] (:)=end_of_file
   Fail: (191) [system] (:)=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x563acd73bee0), _539590)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _541448)
   Exit: (193) [system] peek_char((0x563acd73bee0), :)
   Call: (193) [system] (:)=(;)
   Fail: (193) [system] (:)=(;)
   Call: (193) [system] (:)=(/)
   Fail: (193) [system] (:)=(/)
^  Call: (193) [user] is_like_space(:)
   Call: (194) [system] char_type(:, 'white')
   Fail: (194) [system] char_type(:, 'white')
   Call: (194) [system] char_type(:, end_of_line)
   Fail: (194) [system] char_type(:, end_of_line)
   Call: (194) [system] char_type(:, space)
   Fail: (194) [system] char_type(:, space)
   Call: (194) [system] char_type(:, cntrl)
   Fail: (194) [system] char_type(:, cntrl)
^  Fail: (193) [user] is_like_space(:)
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] get_char((0x563acd73bee0), _557458)
   Exit: (192) [system] get_char((0x563acd73bee0), :)
   Call: (192) [system] (:)='('
   Fail: (192) [system] (:)='('
   Call: (192) [system] (:)='['
   Fail: (192) [system] (:)='['
   Call: (192) [system] (:)='{'
   Fail: (192) [system] (:)='{'
   Call: (192) [system] (:)='"'
   Fail: (192) [system] (:)='"'
   Call: (192) [system] (:)=!
   Fail: (192) [system] (:)=!
   Call: (192) [system] (:)='\''
   Fail: (192) [system] (:)='\''
   Call: (192) [system] (:)='`'
   Fail: (192) [system] (:)='`'
   Call: (192) [system] (:)=end_of_file
   Fail: (192) [system] (:)=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x563acd73bee0), :, _539590)
^  Call: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), _575100)
   Call: (194) [system] peek_char((0x563acd73bee0), _576034)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _575100=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (193) [user] classify_and_convert_charseq([:], _539590)
^  Call: (194) [user] classify_and_convert_charseq_([:], _585318)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_586270, _586272), once(user:catch(read_from_chars([:], _585318), _586252, fail)), '$restore_trace'(_586270, _586272))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_586270, _586272))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _586252, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(:)
   Exit: (195) [system] atomic(:)
^  Exit: (194) [user] classify_and_convert_charseq_([:], :)
   Call: (194) [system] integer(:)
   Fail: (194) [system] integer(:)
   Call: (194) [system] _539590=(:)
   Exit: (194) [system] (:)=(:)
^  Exit: (193) [user] classify_and_convert_charseq([:], :)
^  Exit: (192) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (191) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (191) [user] read_list(')', (0x563acd73bee0), _598398)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _600256)
   Exit: (193) [system] peek_char((0x563acd73bee0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x563acd73bee0), _609850)
   Exit: (193) [system] get_char((0x563acd73bee0), ' ')
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _612554)
   Exit: (194) [system] peek_char((0x563acd73bee0), a)
   Call: (194) [system] a=(;)
   Fail: (194) [system] a=(;)
   Call: (194) [system] a=(/)
   Fail: (194) [system] a=(/)
^  Call: (194) [user] is_like_space(a)
   Call: (195) [system] char_type(a, 'white')
   Fail: (195) [system] char_type(a, 'white')
   Call: (195) [system] char_type(a, end_of_line)
   Fail: (195) [system] char_type(a, end_of_line)
   Call: (195) [system] char_type(a, space)
   Fail: (195) [system] char_type(a, space)
   Call: (195) [system] char_type(a, cntrl)
   Fail: (195) [system] char_type(a, cntrl)
^  Fail: (194) [user] is_like_space(a)
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _629488)
   Exit: (192) [system] peek_char((0x563acd73bee0), a)
   Call: (192) [system] a=')'
   Fail: (192) [system] a=')'
   Call: (192) [system] a=end_of_file
   Fail: (192) [system] a=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x563acd73bee0), _635058)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _636916)
   Exit: (194) [system] peek_char((0x563acd73bee0), a)
   Call: (194) [system] a=(;)
   Fail: (194) [system] a=(;)
   Call: (194) [system] a=(/)
   Fail: (194) [system] a=(/)
^  Call: (194) [user] is_like_space(a)
   Call: (195) [system] char_type(a, 'white')
   Fail: (195) [system] char_type(a, 'white')
   Call: (195) [system] char_type(a, end_of_line)
   Fail: (195) [system] char_type(a, end_of_line)
   Call: (195) [system] char_type(a, space)
   Fail: (195) [system] char_type(a, space)
   Call: (195) [system] char_type(a, cntrl)
   Fail: (195) [system] char_type(a, cntrl)
^  Fail: (194) [user] is_like_space(a)
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] get_char((0x563acd73bee0), _652926)
   Exit: (193) [system] get_char((0x563acd73bee0), a)
   Call: (193) [system] a='('
   Fail: (193) [system] a='('
   Call: (193) [system] a='['
   Fail: (193) [system] a='['
   Call: (193) [system] a='{'
   Fail: (193) [system] a='{'
   Call: (193) [system] a='"'
   Fail: (193) [system] a='"'
   Call: (193) [system] a=!
   Fail: (193) [system] a=!
   Call: (193) [system] a='\''
   Fail: (193) [system] a='\''
   Call: (193) [system] a='`'
   Fail: (193) [system] a='`'
   Call: (193) [system] a=end_of_file
   Fail: (193) [system] a=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x563acd73bee0), a, _635058)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _670568)
   Call: (195) [system] peek_char((0x563acd73bee0), _671502)
   Exit: (195) [system] peek_char((0x563acd73bee0), b)
^  Call: (195) [user] is_delimiter(b)
   Call: (196) [system] char_type(b, space)
   Fail: (196) [system] char_type(b, space)
   Call: (196) [system] arg(_676222, v('(', ')', end_of_file), b)
   Fail: (196) [system] arg(_677154, v('(', ')', end_of_file), b)
^  Fail: (195) [user] is_delimiter(b)
   Call: (195) [system] ')'==b
   Fail: (195) [system] ')'==b
   Call: (195) [system] get_char((0x563acd73bee0), b)
   Exit: (195) [system] get_char((0x563acd73bee0), b)
   Call: (195) [system] b=(\)
   Fail: (195) [system] b=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _684504)
   Call: (196) [system] peek_char((0x563acd73bee0), _685438)
   Exit: (196) [system] peek_char((0x563acd73bee0), c)
^  Call: (196) [user] is_delimiter(c)
   Call: (197) [system] char_type(c, space)
   Fail: (197) [system] char_type(c, space)
   Call: (197) [system] arg(_690158, v('(', ')', end_of_file), c)
   Fail: (197) [system] arg(_691090, v('(', ')', end_of_file), c)
^  Fail: (196) [user] is_delimiter(c)
   Call: (196) [system] ')'==c
   Fail: (196) [system] ')'==c
   Call: (196) [system] get_char((0x563acd73bee0), c)
   Exit: (196) [system] get_char((0x563acd73bee0), c)
   Call: (196) [system] c=(\)
   Fail: (196) [system] c=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _698440)
   Call: (197) [system] peek_char((0x563acd73bee0), _699374)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _698440=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (196) [system] _684504=[c]
   Exit: (196) [system] [c]=[c]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [c])
   Call: (195) [system] _670568=[b, c]
   Exit: (195) [system] [b, c]=[b, c]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [b, c])
^  Call: (194) [user] classify_and_convert_charseq([a, b, c], _635058)
^  Call: (195) [user] classify_and_convert_charseq_([a, b, c], _714246)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_715198, _715200), once(user:catch(read_from_chars([a, b, c], _714246), _715180, fail)), '$restore_trace'(_715198, _715200))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_715198, _715200))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _715180, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(abc)
   Exit: (196) [system] atomic(abc)
^  Exit: (195) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (195) [system] integer(abc)
   Fail: (195) [system] integer(abc)
   Call: (195) [system] _635058=abc
   Exit: (195) [system] abc=abc
^  Exit: (194) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (193) [user] read_symbolic(')', (0x563acd73bee0), a, abc)
^  Exit: (192) [user] cont_sexpr(')', (0x563acd73bee0), abc)
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _727326)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _729184)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x563acd73bee0), _738778)
   Exit: (194) [system] get_char((0x563acd73bee0), ' ')
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _741482)
   Exit: (195) [system] peek_char((0x563acd73bee0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _758416)
   Exit: (193) [system] peek_char((0x563acd73bee0), '(')
   Call: (193) [system] '('=')'
   Fail: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
   Fail: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x563acd73bee0), _763986)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _765844)
   Exit: (195) [system] peek_char((0x563acd73bee0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] get_char((0x563acd73bee0), _781854)
   Exit: (194) [system] get_char((0x563acd73bee0), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _763986)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _787424)
   Exit: (196) [system] peek_char((0x563acd73bee0), 'I')
   Call: (196) [system] 'I'=(;)
   Fail: (196) [system] 'I'=(;)
   Call: (196) [system] 'I'=(/)
   Fail: (196) [system] 'I'=(/)
^  Call: (196) [user] is_like_space('I')
   Call: (197) [system] char_type('I', 'white')
   Fail: (197) [system] char_type('I', 'white')
   Call: (197) [system] char_type('I', end_of_line)
   Fail: (197) [system] char_type('I', end_of_line)
   Call: (197) [system] char_type('I', space)
   Fail: (197) [system] char_type('I', space)
   Call: (197) [system] char_type('I', cntrl)
   Fail: (197) [system] char_type('I', cntrl)
^  Fail: (196) [user] is_like_space('I')
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _803434)
   Exit: (195) [system] peek_char((0x563acd73bee0), 'I')
   Call: (195) [system] 'I'=')'
   Fail: (195) [system] 'I'=')'
   Call: (195) [system] 'I'=end_of_file
   Fail: (195) [system] 'I'=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x563acd73bee0), _809004)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _810862)
   Exit: (197) [system] peek_char((0x563acd73bee0), 'I')
   Call: (197) [system] 'I'=(;)
   Fail: (197) [system] 'I'=(;)
   Call: (197) [system] 'I'=(/)
   Fail: (197) [system] 'I'=(/)
^  Call: (197) [user] is_like_space('I')
   Call: (198) [system] char_type('I', 'white')
   Fail: (198) [system] char_type('I', 'white')
   Call: (198) [system] char_type('I', end_of_line)
   Fail: (198) [system] char_type('I', end_of_line)
   Call: (198) [system] char_type('I', space)
   Fail: (198) [system] char_type('I', space)
   Call: (198) [system] char_type('I', cntrl)
   Fail: (198) [system] char_type('I', cntrl)
^  Fail: (197) [user] is_like_space('I')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] get_char((0x563acd73bee0), _826872)
   Exit: (196) [system] get_char((0x563acd73bee0), 'I')
   Call: (196) [system] 'I'='('
   Fail: (196) [system] 'I'='('
   Call: (196) [system] 'I'='['
   Fail: (196) [system] 'I'='['
   Call: (196) [system] 'I'='{'
   Fail: (196) [system] 'I'='{'
   Call: (196) [system] 'I'='"'
   Fail: (196) [system] 'I'='"'
   Call: (196) [system] 'I'=!
   Fail: (196) [system] 'I'=!
   Call: (196) [system] 'I'='\''
   Fail: (196) [system] 'I'='\''
   Call: (196) [system] 'I'='`'
   Fail: (196) [system] 'I'='`'
   Call: (196) [system] 'I'=end_of_file
   Fail: (196) [system] 'I'=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x563acd73bee0), 'I', _809004)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _844514)
   Call: (198) [system] peek_char((0x563acd73bee0), _845448)
   Exit: (198) [system] peek_char((0x563acd73bee0), m)
^  Call: (198) [user] is_delimiter(m)
   Call: (199) [system] char_type(m, space)
   Fail: (199) [system] char_type(m, space)
   Call: (199) [system] arg(_850168, v('(', ')', end_of_file), m)
   Fail: (199) [system] arg(_851100, v('(', ')', end_of_file), m)
^  Fail: (198) [user] is_delimiter(m)
   Call: (198) [system] ')'==m
   Fail: (198) [system] ')'==m
   Call: (198) [system] get_char((0x563acd73bee0), m)
   Exit: (198) [system] get_char((0x563acd73bee0), m)
   Call: (198) [system] m=(\)
   Fail: (198) [system] m=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _858450)
   Call: (199) [system] peek_char((0x563acd73bee0), _859384)
   Exit: (199) [system] peek_char((0x563acd73bee0), p)
^  Call: (199) [user] is_delimiter(p)
   Call: (200) [system] char_type(p, space)
   Fail: (200) [system] char_type(p, space)
   Call: (200) [system] arg(_864104, v('(', ')', end_of_file), p)
   Fail: (200) [system] arg(_865036, v('(', ')', end_of_file), p)
^  Fail: (199) [user] is_delimiter(p)
   Call: (199) [system] ')'==p
   Fail: (199) [system] ')'==p
   Call: (199) [system] get_char((0x563acd73bee0), p)
   Exit: (199) [system] get_char((0x563acd73bee0), p)
   Call: (199) [system] p=(\)
   Fail: (199) [system] p=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _872386)
   Call: (200) [system] peek_char((0x563acd73bee0), _873320)
   Exit: (200) [system] peek_char((0x563acd73bee0), l)
^  Call: (200) [user] is_delimiter(l)
   Call: (201) [system] char_type(l, space)
   Fail: (201) [system] char_type(l, space)
   Call: (201) [system] arg(_878040, v('(', ')', end_of_file), l)
   Fail: (201) [system] arg(_878972, v('(', ')', end_of_file), l)
^  Fail: (200) [user] is_delimiter(l)
   Call: (200) [system] ')'==l
   Fail: (200) [system] ')'==l
   Call: (200) [system] get_char((0x563acd73bee0), l)
   Exit: (200) [system] get_char((0x563acd73bee0), l)
   Call: (200) [system] l=(\)
   Fail: (200) [system] l=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _886322)
   Call: (201) [system] peek_char((0x563acd73bee0), _887256)
   Exit: (201) [system] peek_char((0x563acd73bee0), i)
^  Call: (201) [user] is_delimiter(i)
   Call: (202) [system] char_type(i, space)
   Fail: (202) [system] char_type(i, space)
   Call: (202) [system] arg(_891976, v('(', ')', end_of_file), i)
   Fail: (202) [system] arg(_892908, v('(', ')', end_of_file), i)
^  Fail: (201) [user] is_delimiter(i)
   Call: (201) [system] ')'==i
   Fail: (201) [system] ')'==i
   Call: (201) [system] get_char((0x563acd73bee0), i)
   Exit: (201) [system] get_char((0x563acd73bee0), i)
   Call: (201) [system] i=(\)
   Fail: (201) [system] i=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _900258)
   Call: (202) [system] peek_char((0x563acd73bee0), _901192)
   Exit: (202) [system] peek_char((0x563acd73bee0), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Fail: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_905912, v('(', ')', end_of_file), c)
   Fail: (203) [system] arg(_906844, v('(', ')', end_of_file), c)
^  Fail: (202) [user] is_delimiter(c)
   Call: (202) [system] ')'==c
   Fail: (202) [system] ')'==c
   Call: (202) [system] get_char((0x563acd73bee0), c)
   Exit: (202) [system] get_char((0x563acd73bee0), c)
   Call: (202) [system] c=(\)
   Fail: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _914194)
   Call: (203) [system] peek_char((0x563acd73bee0), _915128)
   Exit: (203) [system] peek_char((0x563acd73bee0), a)
^  Call: (203) [user] is_delimiter(a)
   Call: (204) [system] char_type(a, space)
   Fail: (204) [system] char_type(a, space)
   Call: (204) [system] arg(_919848, v('(', ')', end_of_file), a)
   Fail: (204) [system] arg(_920780, v('(', ')', end_of_file), a)
^  Fail: (203) [user] is_delimiter(a)
   Call: (203) [system] ')'==a
   Fail: (203) [system] ')'==a
   Call: (203) [system] get_char((0x563acd73bee0), a)
   Exit: (203) [system] get_char((0x563acd73bee0), a)
   Call: (203) [system] a=(\)
   Fail: (203) [system] a=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _928130)
   Call: (204) [system] peek_char((0x563acd73bee0), _929064)
   Exit: (204) [system] peek_char((0x563acd73bee0), t)
^  Call: (204) [user] is_delimiter(t)
   Call: (205) [system] char_type(t, space)
   Fail: (205) [system] char_type(t, space)
   Call: (205) [system] arg(_933784, v('(', ')', end_of_file), t)
   Fail: (205) [system] arg(_934716, v('(', ')', end_of_file), t)
^  Fail: (204) [user] is_delimiter(t)
   Call: (204) [system] ')'==t
   Fail: (204) [system] ')'==t
   Call: (204) [system] get_char((0x563acd73bee0), t)
   Exit: (204) [system] get_char((0x563acd73bee0), t)
   Call: (204) [system] t=(\)
   Fail: (204) [system] t=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _942066)
   Call: (205) [system] peek_char((0x563acd73bee0), _943000)
   Exit: (205) [system] peek_char((0x563acd73bee0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_947720, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_948652, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x563acd73bee0), i)
   Exit: (205) [system] get_char((0x563acd73bee0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _956002)
   Call: (206) [system] peek_char((0x563acd73bee0), _956936)
   Exit: (206) [system] peek_char((0x563acd73bee0), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_961656, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_962588, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x563acd73bee0), o)
   Exit: (206) [system] get_char((0x563acd73bee0), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _969938)
   Call: (207) [system] peek_char((0x563acd73bee0), _970872)
   Exit: (207) [system] peek_char((0x563acd73bee0), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Fail: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_975592, v('(', ')', end_of_file), n)
   Fail: (208) [system] arg(_976524, v('(', ')', end_of_file), n)
^  Fail: (207) [user] is_delimiter(n)
   Call: (207) [system] ')'==n
   Fail: (207) [system] ')'==n
   Call: (207) [system] get_char((0x563acd73bee0), n)
   Exit: (207) [system] get_char((0x563acd73bee0), n)
   Call: (207) [system] n=(\)
   Fail: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _983874)
   Call: (208) [system] peek_char((0x563acd73bee0), _984808)
   Exit: (208) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _983874=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (207) [system] _969938=[n]
   Exit: (207) [system] [n]=[n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (206) [system] _956002=[o, n]
   Exit: (206) [system] [o, n]=[o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (205) [system] _942066=[i, o, n]
   Exit: (205) [system] [i, o, n]=[i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (204) [system] _928130=[t, i, o, n]
   Exit: (204) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (203) [system] _914194=[a, t, i, o, n]
   Exit: (203) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (202) [system] _900258=[c, a, t, i, o, n]
   Exit: (202) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (201) [system] _886322=[i, c, a, t, i, o, n]
   Exit: (201) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (200) [system] _872386=[l, i, c, a, t, i, o, n]
   Exit: (200) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (199) [system] _858450=[p, l, i, c, a, t, i, o, n]
   Exit: (199) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (198) [system] _844514=[m, p, l, i, c, a, t, i, o, n]
   Exit: (198) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (197) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _809004)
^  Call: (198) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1022032)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_1022984, _1022986), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1022032), _1022966, fail)), '$restore_trace'(_1022984, _1022986))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_1022984, _1022986))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1022032), _1022966, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(_1022032)
   Fail: (199) [system] atomic(_1022032)
   Call: (199) [system] atom_chars(_1022032, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (199) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (198) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (198) [system] integer('Implication')
   Fail: (198) [system] integer('Implication')
   Call: (198) [system] _809004='Implication'
   Exit: (198) [system] 'Implication'='Implication'
^  Exit: (197) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (196) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (195) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _1036982)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1038840)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x563acd73bee0), _1048434)
   Exit: (197) [system] get_char((0x563acd73bee0), ' ')
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1051138)
   Exit: (198) [system] peek_char((0x563acd73bee0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1068072)
   Exit: (196) [system] peek_char((0x563acd73bee0), '(')
   Call: (196) [system] '('=')'
   Fail: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
   Fail: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x563acd73bee0), _1073642)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1075500)
   Exit: (198) [system] peek_char((0x563acd73bee0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] get_char((0x563acd73bee0), _1091510)
   Exit: (197) [system] get_char((0x563acd73bee0), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _1073642)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1097080)
   Exit: (199) [system] peek_char((0x563acd73bee0), 'A')
   Call: (199) [system] 'A'=(;)
   Fail: (199) [system] 'A'=(;)
   Call: (199) [system] 'A'=(/)
   Fail: (199) [system] 'A'=(/)
^  Call: (199) [user] is_like_space('A')
   Call: (200) [system] char_type('A', 'white')
   Fail: (200) [system] char_type('A', 'white')
   Call: (200) [system] char_type('A', end_of_line)
   Fail: (200) [system] char_type('A', end_of_line)
   Call: (200) [system] char_type('A', space)
   Fail: (200) [system] char_type('A', space)
   Call: (200) [system] char_type('A', cntrl)
   Fail: (200) [system] char_type('A', cntrl)
^  Fail: (199) [user] is_like_space('A')
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1113090)
   Exit: (198) [system] peek_char((0x563acd73bee0), 'A')
   Call: (198) [system] 'A'=')'
   Fail: (198) [system] 'A'=')'
   Call: (198) [system] 'A'=end_of_file
   Fail: (198) [system] 'A'=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x563acd73bee0), _1118660)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1120518)
   Exit: (200) [system] peek_char((0x563acd73bee0), 'A')
   Call: (200) [system] 'A'=(;)
   Fail: (200) [system] 'A'=(;)
   Call: (200) [system] 'A'=(/)
   Fail: (200) [system] 'A'=(/)
^  Call: (200) [user] is_like_space('A')
   Call: (201) [system] char_type('A', 'white')
   Fail: (201) [system] char_type('A', 'white')
   Call: (201) [system] char_type('A', end_of_line)
   Fail: (201) [system] char_type('A', end_of_line)
   Call: (201) [system] char_type('A', space)
   Fail: (201) [system] char_type('A', space)
   Call: (201) [system] char_type('A', cntrl)
   Fail: (201) [system] char_type('A', cntrl)
^  Fail: (200) [user] is_like_space('A')
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] get_char((0x563acd73bee0), _1136528)
   Exit: (199) [system] get_char((0x563acd73bee0), 'A')
   Call: (199) [system] 'A'='('
   Fail: (199) [system] 'A'='('
   Call: (199) [system] 'A'='['
   Fail: (199) [system] 'A'='['
   Call: (199) [system] 'A'='{'
   Fail: (199) [system] 'A'='{'
   Call: (199) [system] 'A'='"'
   Fail: (199) [system] 'A'='"'
   Call: (199) [system] 'A'=!
   Fail: (199) [system] 'A'=!
   Call: (199) [system] 'A'='\''
   Fail: (199) [system] 'A'='\''
   Call: (199) [system] 'A'='`'
   Fail: (199) [system] 'A'='`'
   Call: (199) [system] 'A'=end_of_file
   Fail: (199) [system] 'A'=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x563acd73bee0), 'A', _1118660)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _1154170)
   Call: (201) [system] peek_char((0x563acd73bee0), _1155104)
   Exit: (201) [system] peek_char((0x563acd73bee0), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_1159824, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_1160756, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x563acd73bee0), n)
   Exit: (201) [system] get_char((0x563acd73bee0), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _1168106)
   Call: (202) [system] peek_char((0x563acd73bee0), _1169040)
   Exit: (202) [system] peek_char((0x563acd73bee0), d)
^  Call: (202) [user] is_delimiter(d)
   Call: (203) [system] char_type(d, space)
   Fail: (203) [system] char_type(d, space)
   Call: (203) [system] arg(_1173760, v('(', ')', end_of_file), d)
   Fail: (203) [system] arg(_1174692, v('(', ')', end_of_file), d)
^  Fail: (202) [user] is_delimiter(d)
   Call: (202) [system] ')'==d
   Fail: (202) [system] ')'==d
   Call: (202) [system] get_char((0x563acd73bee0), d)
   Exit: (202) [system] get_char((0x563acd73bee0), d)
   Call: (202) [system] d=(\)
   Fail: (202) [system] d=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1182042)
   Call: (203) [system] peek_char((0x563acd73bee0), _1182976)
   Exit: (203) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (203) [user] is_delimiter('L')
   Call: (204) [system] char_type('L', space)
   Fail: (204) [system] char_type('L', space)
   Call: (204) [system] arg(_1187696, v('(', ')', end_of_file), 'L')
   Fail: (204) [system] arg(_1188628, v('(', ')', end_of_file), 'L')
^  Fail: (203) [user] is_delimiter('L')
   Call: (203) [system] ')'=='L'
   Fail: (203) [system] ')'=='L'
   Call: (203) [system] get_char((0x563acd73bee0), 'L')
   Exit: (203) [system] get_char((0x563acd73bee0), 'L')
   Call: (203) [system] 'L'=(\)
   Fail: (203) [system] 'L'=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1195978)
   Call: (204) [system] peek_char((0x563acd73bee0), _1196912)
   Exit: (204) [system] peek_char((0x563acd73bee0), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Fail: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_1201632, v('(', ')', end_of_file), i)
   Fail: (205) [system] arg(_1202564, v('(', ')', end_of_file), i)
^  Fail: (204) [user] is_delimiter(i)
   Call: (204) [system] ')'==i
   Fail: (204) [system] ')'==i
   Call: (204) [system] get_char((0x563acd73bee0), i)
   Exit: (204) [system] get_char((0x563acd73bee0), i)
   Call: (204) [system] i=(\)
   Fail: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1209914)
   Call: (205) [system] peek_char((0x563acd73bee0), _1210848)
   Exit: (205) [system] peek_char((0x563acd73bee0), n)
^  Call: (205) [user] is_delimiter(n)
   Call: (206) [system] char_type(n, space)
   Fail: (206) [system] char_type(n, space)
   Call: (206) [system] arg(_1215568, v('(', ')', end_of_file), n)
   Fail: (206) [system] arg(_1216500, v('(', ')', end_of_file), n)
^  Fail: (205) [user] is_delimiter(n)
   Call: (205) [system] ')'==n
   Fail: (205) [system] ')'==n
   Call: (205) [system] get_char((0x563acd73bee0), n)
   Exit: (205) [system] get_char((0x563acd73bee0), n)
   Call: (205) [system] n=(\)
   Fail: (205) [system] n=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1223850)
   Call: (206) [system] peek_char((0x563acd73bee0), _1224784)
   Exit: (206) [system] peek_char((0x563acd73bee0), k)
^  Call: (206) [user] is_delimiter(k)
   Call: (207) [system] char_type(k, space)
   Fail: (207) [system] char_type(k, space)
   Call: (207) [system] arg(_1229504, v('(', ')', end_of_file), k)
   Fail: (207) [system] arg(_1230436, v('(', ')', end_of_file), k)
^  Fail: (206) [user] is_delimiter(k)
   Call: (206) [system] ')'==k
   Fail: (206) [system] ')'==k
   Call: (206) [system] get_char((0x563acd73bee0), k)
   Exit: (206) [system] get_char((0x563acd73bee0), k)
   Call: (206) [system] k=(\)
   Fail: (206) [system] k=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1237786)
   Call: (207) [system] peek_char((0x563acd73bee0), _1238720)
   Exit: (207) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _1237786=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (206) [system] _1223850=[k]
   Exit: (206) [system] [k]=[k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (205) [system] _1209914=[n, k]
   Exit: (205) [system] [n, k]=[n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (204) [system] _1195978=[i, n, k]
   Exit: (204) [system] [i, n, k]=[i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (203) [system] _1182042=['L', i, n, k]
   Exit: (203) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (202) [system] _1168106=[d, 'L', i, n, k]
   Exit: (202) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, 'L', i, n, k])
   Call: (201) [system] _1154170=[n, d, 'L', i, n, k]
   Exit: (201) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, d, 'L', i, n, k])
^  Call: (200) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1118660)
^  Call: (201) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1264768)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_1265720, _1265722), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1264768), _1265702, fail)), '$restore_trace'(_1265720, _1265722))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_1265720, _1265722))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1264768), _1265702, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(_1264768)
   Fail: (202) [system] atomic(_1264768)
   Call: (202) [system] atom_chars(_1264768, ['A', n, d, 'L', i, n, k])
   Exit: (202) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (201) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (201) [system] integer('AndLink')
   Fail: (201) [system] integer('AndLink')
   Call: (201) [system] _1118660='AndLink'
   Exit: (201) [system] 'AndLink'='AndLink'
^  Exit: (200) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (199) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'AndLink')
^  Exit: (198) [user] cont_sexpr(')', (0x563acd73bee0), 'AndLink')
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _1279718)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1281576)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x563acd73bee0), _1291170)
   Exit: (200) [system] get_char((0x563acd73bee0), ' ')
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1293874)
   Exit: (201) [system] peek_char((0x563acd73bee0), 'A')
   Call: (201) [system] 'A'=(;)
   Fail: (201) [system] 'A'=(;)
   Call: (201) [system] 'A'=(/)
   Fail: (201) [system] 'A'=(/)
^  Call: (201) [user] is_like_space('A')
   Call: (202) [system] char_type('A', 'white')
   Fail: (202) [system] char_type('A', 'white')
   Call: (202) [system] char_type('A', end_of_line)
   Fail: (202) [system] char_type('A', end_of_line)
   Call: (202) [system] char_type('A', space)
   Fail: (202) [system] char_type('A', space)
   Call: (202) [system] char_type('A', cntrl)
   Fail: (202) [system] char_type('A', cntrl)
^  Fail: (201) [user] is_like_space('A')
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1310808)
   Exit: (199) [system] peek_char((0x563acd73bee0), 'A')
   Call: (199) [system] 'A'=')'
   Fail: (199) [system] 'A'=')'
   Call: (199) [system] 'A'=end_of_file
   Fail: (199) [system] 'A'=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x563acd73bee0), _1316378)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1318236)
   Exit: (201) [system] peek_char((0x563acd73bee0), 'A')
   Call: (201) [system] 'A'=(;)
   Fail: (201) [system] 'A'=(;)
   Call: (201) [system] 'A'=(/)
   Fail: (201) [system] 'A'=(/)
^  Call: (201) [user] is_like_space('A')
   Call: (202) [system] char_type('A', 'white')
   Fail: (202) [system] char_type('A', 'white')
   Call: (202) [system] char_type('A', end_of_line)
   Fail: (202) [system] char_type('A', end_of_line)
   Call: (202) [system] char_type('A', space)
   Fail: (202) [system] char_type('A', space)
   Call: (202) [system] char_type('A', cntrl)
   Fail: (202) [system] char_type('A', cntrl)
^  Fail: (201) [user] is_like_space('A')
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] get_char((0x563acd73bee0), _1334246)
   Exit: (200) [system] get_char((0x563acd73bee0), 'A')
   Call: (200) [system] 'A'='('
   Fail: (200) [system] 'A'='('
   Call: (200) [system] 'A'='['
   Fail: (200) [system] 'A'='['
   Call: (200) [system] 'A'='{'
   Fail: (200) [system] 'A'='{'
   Call: (200) [system] 'A'='"'
   Fail: (200) [system] 'A'='"'
   Call: (200) [system] 'A'=!
   Fail: (200) [system] 'A'=!
   Call: (200) [system] 'A'='\''
   Fail: (200) [system] 'A'='\''
   Call: (200) [system] 'A'='`'
   Fail: (200) [system] 'A'='`'
   Call: (200) [system] 'A'=end_of_file
   Fail: (200) [system] 'A'=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x563acd73bee0), 'A', _1316378)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _1351888)
   Call: (202) [system] peek_char((0x563acd73bee0), _1352822)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _1351888=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (201) [user] classify_and_convert_charseq(['A'], _1316378)
^  Call: (202) [user] classify_and_convert_charseq_(['A'], _1362106)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_1363058, _1363060), once(user:catch(read_from_chars(['A'], _1362106), _1363040, fail)), '$restore_trace'(_1363058, _1363060))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_1363058, _1363060))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1362106), _1363040, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(_1362106)
   Fail: (203) [system] atomic(_1362106)
   Call: (203) [system] atom_chars(_1362106, ['A'])
   Exit: (203) [system] atom_chars('A', ['A'])
^  Exit: (202) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (202) [system] integer('A')
   Fail: (202) [system] integer('A')
   Call: (202) [system] _1316378='A'
   Exit: (202) [system] 'A'='A'
^  Exit: (201) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (200) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (199) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _1377056)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1378914)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _1388508)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1391212)
   Exit: (202) [system] peek_char((0x563acd73bee0), 'B')
   Call: (202) [system] 'B'=(;)
   Fail: (202) [system] 'B'=(;)
   Call: (202) [system] 'B'=(/)
   Fail: (202) [system] 'B'=(/)
^  Call: (202) [user] is_like_space('B')
   Call: (203) [system] char_type('B', 'white')
   Fail: (203) [system] char_type('B', 'white')
   Call: (203) [system] char_type('B', end_of_line)
   Fail: (203) [system] char_type('B', end_of_line)
   Call: (203) [system] char_type('B', space)
   Fail: (203) [system] char_type('B', space)
   Call: (203) [system] char_type('B', cntrl)
   Fail: (203) [system] char_type('B', cntrl)
^  Fail: (202) [user] is_like_space('B')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1408146)
   Exit: (200) [system] peek_char((0x563acd73bee0), 'B')
   Call: (200) [system] 'B'=')'
   Fail: (200) [system] 'B'=')'
   Call: (200) [system] 'B'=end_of_file
   Fail: (200) [system] 'B'=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x563acd73bee0), _1413716)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1415574)
   Exit: (202) [system] peek_char((0x563acd73bee0), 'B')
   Call: (202) [system] 'B'=(;)
   Fail: (202) [system] 'B'=(;)
   Call: (202) [system] 'B'=(/)
   Fail: (202) [system] 'B'=(/)
^  Call: (202) [user] is_like_space('B')
   Call: (203) [system] char_type('B', 'white')
   Fail: (203) [system] char_type('B', 'white')
   Call: (203) [system] char_type('B', end_of_line)
   Fail: (203) [system] char_type('B', end_of_line)
   Call: (203) [system] char_type('B', space)
   Fail: (203) [system] char_type('B', space)
   Call: (203) [system] char_type('B', cntrl)
   Fail: (203) [system] char_type('B', cntrl)
^  Fail: (202) [user] is_like_space('B')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] get_char((0x563acd73bee0), _1431584)
   Exit: (201) [system] get_char((0x563acd73bee0), 'B')
   Call: (201) [system] 'B'='('
   Fail: (201) [system] 'B'='('
   Call: (201) [system] 'B'='['
   Fail: (201) [system] 'B'='['
   Call: (201) [system] 'B'='{'
   Fail: (201) [system] 'B'='{'
   Call: (201) [system] 'B'='"'
   Fail: (201) [system] 'B'='"'
   Call: (201) [system] 'B'=!
   Fail: (201) [system] 'B'=!
   Call: (201) [system] 'B'='\''
   Fail: (201) [system] 'B'='\''
   Call: (201) [system] 'B'='`'
   Fail: (201) [system] 'B'='`'
   Call: (201) [system] 'B'=end_of_file
   Fail: (201) [system] 'B'=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x563acd73bee0), 'B', _1413716)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1449226)
   Call: (203) [system] peek_char((0x563acd73bee0), _1450160)
   Exit: (203) [system] peek_char((0x563acd73bee0), ')')
^  Call: (203) [user] is_delimiter(')')
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] arg(_1454880, v('(', ')', end_of_file), ')')
   Exit: (204) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (203) [user] is_delimiter(')')
   Call: (203) [system] _1449226=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (202) [user] classify_and_convert_charseq(['B'], _1413716)
^  Call: (203) [user] classify_and_convert_charseq_(['B'], _1461316)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_1462268, _1462270), once(user:catch(read_from_chars(['B'], _1461316), _1462250, fail)), '$restore_trace'(_1462268, _1462270))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_1462268, _1462270))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1461316), _1462250, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(_1461316)
   Fail: (204) [system] atomic(_1461316)
   Call: (204) [system] atom_chars(_1461316, ['B'])
   Exit: (204) [system] atom_chars('B', ['B'])
^  Exit: (203) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (203) [system] integer('B')
   Fail: (203) [system] integer('B')
   Call: (203) [system] _1413716='B'
   Exit: (203) [system] 'B'='B'
^  Exit: (202) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (201) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (200) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _1476266)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1478124)
   Exit: (202) [system] peek_char((0x563acd73bee0), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
   Call: (202) [system] ')'=(/)
   Fail: (202) [system] ')'=(/)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1494134)
   Exit: (201) [system] peek_char((0x563acd73bee0), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x563acd73bee0), _1497924)
   Exit: (201) [system] get_char((0x563acd73bee0), ')')
   Call: (201) [system] _1476266=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), [])
   Call: (200) [system] _1377056=['B']
   Exit: (200) [system] ['B']=['B']
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), ['B'])
   Call: (199) [system] _1279718=['A', 'B']
   Exit: (199) [system] ['A', 'B']=['A', 'B']
^  Exit: (198) [user] read_list(')', (0x563acd73bee0), ['A', 'B'])
   Call: (198) [system] _1073642=['AndLink', 'A', 'B']
   Exit: (198) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (197) [user] read_list(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Exit: (196) [user] cont_sexpr(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Call: (196) [user] read_list(')', (0x563acd73bee0), _1511806)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1513664)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x563acd73bee0), _1523258)
   Exit: (198) [system] get_char((0x563acd73bee0), ' ')
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1525962)
   Exit: (199) [system] peek_char((0x563acd73bee0), 'C')
   Call: (199) [system] 'C'=(;)
   Fail: (199) [system] 'C'=(;)
   Call: (199) [system] 'C'=(/)
   Fail: (199) [system] 'C'=(/)
^  Call: (199) [user] is_like_space('C')
   Call: (200) [system] char_type('C', 'white')
   Fail: (200) [system] char_type('C', 'white')
   Call: (200) [system] char_type('C', end_of_line)
   Fail: (200) [system] char_type('C', end_of_line)
   Call: (200) [system] char_type('C', space)
   Fail: (200) [system] char_type('C', space)
   Call: (200) [system] char_type('C', cntrl)
   Fail: (200) [system] char_type('C', cntrl)
^  Fail: (199) [user] is_like_space('C')
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1542896)
   Exit: (197) [system] peek_char((0x563acd73bee0), 'C')
   Call: (197) [system] 'C'=')'
   Fail: (197) [system] 'C'=')'
   Call: (197) [system] 'C'=end_of_file
   Fail: (197) [system] 'C'=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x563acd73bee0), _1548466)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1550324)
   Exit: (199) [system] peek_char((0x563acd73bee0), 'C')
   Call: (199) [system] 'C'=(;)
   Fail: (199) [system] 'C'=(;)
   Call: (199) [system] 'C'=(/)
   Fail: (199) [system] 'C'=(/)
^  Call: (199) [user] is_like_space('C')
   Call: (200) [system] char_type('C', 'white')
   Fail: (200) [system] char_type('C', 'white')
   Call: (200) [system] char_type('C', end_of_line)
   Fail: (200) [system] char_type('C', end_of_line)
   Call: (200) [system] char_type('C', space)
   Fail: (200) [system] char_type('C', space)
   Call: (200) [system] char_type('C', cntrl)
   Fail: (200) [system] char_type('C', cntrl)
^  Fail: (199) [user] is_like_space('C')
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] get_char((0x563acd73bee0), _1566334)
   Exit: (198) [system] get_char((0x563acd73bee0), 'C')
   Call: (198) [system] 'C'='('
   Fail: (198) [system] 'C'='('
   Call: (198) [system] 'C'='['
   Fail: (198) [system] 'C'='['
   Call: (198) [system] 'C'='{'
   Fail: (198) [system] 'C'='{'
   Call: (198) [system] 'C'='"'
   Fail: (198) [system] 'C'='"'
   Call: (198) [system] 'C'=!
   Fail: (198) [system] 'C'=!
   Call: (198) [system] 'C'='\''
   Fail: (198) [system] 'C'='\''
   Call: (198) [system] 'C'='`'
   Fail: (198) [system] 'C'='`'
   Call: (198) [system] 'C'=end_of_file
   Fail: (198) [system] 'C'=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x563acd73bee0), 'C', _1548466)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _1583976)
   Call: (200) [system] peek_char((0x563acd73bee0), _1584910)
   Exit: (200) [system] peek_char((0x563acd73bee0), ')')
^  Call: (200) [user] is_delimiter(')')
   Call: (201) [system] char_type(')', space)
   Fail: (201) [system] char_type(')', space)
   Call: (201) [system] arg(_1589630, v('(', ')', end_of_file), ')')
   Exit: (201) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (200) [user] is_delimiter(')')
   Call: (200) [system] _1583976=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (199) [user] classify_and_convert_charseq(['C'], _1548466)
^  Call: (200) [user] classify_and_convert_charseq_(['C'], _1596066)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_1597018, _1597020), once(user:catch(read_from_chars(['C'], _1596066), _1597000, fail)), '$restore_trace'(_1597018, _1597020))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_1597018, _1597020))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1596066), _1597000, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(_1596066)
   Fail: (201) [system] atomic(_1596066)
   Call: (201) [system] atom_chars(_1596066, ['C'])
   Exit: (201) [system] atom_chars('C', ['C'])
^  Exit: (200) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (200) [system] integer('C')
   Fail: (200) [system] integer('C')
   Call: (200) [system] _1548466='C'
   Exit: (200) [system] 'C'='C'
^  Exit: (199) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (198) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (197) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _1611016)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1612874)
   Exit: (199) [system] peek_char((0x563acd73bee0), ')')
   Call: (199) [system] ')'=(;)
   Fail: (199) [system] ')'=(;)
   Call: (199) [system] ')'=(/)
   Fail: (199) [system] ')'=(/)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Fail: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Fail: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
   Fail: (200) [system] char_type(')', cntrl)
^  Fail: (199) [user] is_like_space(')')
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1628884)
   Exit: (198) [system] peek_char((0x563acd73bee0), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x563acd73bee0), _1632674)
   Exit: (198) [system] get_char((0x563acd73bee0), ')')
   Call: (198) [system] _1611016=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x563acd73bee0), [])
   Call: (197) [system] _1511806=['C']
   Exit: (197) [system] ['C']=['C']
^  Exit: (196) [user] read_list(')', (0x563acd73bee0), ['C'])
   Call: (196) [system] _1036982=[['AndLink', 'A', 'B'], 'C']
   Exit: (196) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), [['AndLink', 'A', 'B'], 'C'])
   Call: (195) [system] _763986=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (195) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (193) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _1646556)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1648414)
   Exit: (195) [system] peek_char((0x563acd73bee0), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
   Call: (195) [system] ')'=(/)
   Fail: (195) [system] ')'=(/)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1664424)
   Exit: (194) [system] peek_char((0x563acd73bee0), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x563acd73bee0), _1668214)
   Exit: (194) [system] get_char((0x563acd73bee0), ')')
   Call: (194) [system] _1646556=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), [])
   Call: (193) [system] _727326=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (193) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (192) [system] _598398=[abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (192) [system] [abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]=[abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (191) [user] read_list(')', (0x563acd73bee0), [abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (191) [system] _494572=[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (191) [system] [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]=[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (190) [user] read_list(')', (0x563acd73bee0), [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (189) [user] cont_sexpr(')', (0x563acd73bee0), [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (189) [user] read_list(')', (0x563acd73bee0), _1682096)
^  Call: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _1683954)
   Exit: (191) [system] peek_char((0x563acd73bee0), '\n')
   Call: (191) [system] '\n'=(;)
   Fail: (191) [system] '\n'=(;)
   Call: (191) [system] '\n'=(/)
   Fail: (191) [system] '\n'=(/)
^  Call: (191) [user] is_like_space('\n')
   Call: (192) [system] char_type('\n', 'white')
   Fail: (192) [system] char_type('\n', 'white')
   Call: (192) [system] char_type('\n', end_of_line)
   Exit: (192) [system] char_type('\n', end_of_line)
^  Exit: (191) [user] is_like_space('\n')
   Call: (191) [system] get_char((0x563acd73bee0), _1695404)
   Exit: (191) [system] get_char((0x563acd73bee0), '\n')
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1698108)
   Exit: (192) [system] peek_char((0x563acd73bee0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
   Call: (192) [system] ' '=(/)
   Fail: (192) [system] ' '=(/)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x563acd73bee0), _1707702)
   Exit: (192) [system] get_char((0x563acd73bee0), ' ')
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1710406)
   Exit: (193) [system] peek_char((0x563acd73bee0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
^  Exit: (190) [user] skip_spaces((0x563acd73bee0))
   Call: (190) [system] peek_char((0x563acd73bee0), _1728264)
   Exit: (190) [system] peek_char((0x563acd73bee0), '(')
   Call: (190) [system] '('=')'
   Fail: (190) [system] '('=')'
   Call: (190) [system] '('=end_of_file
   Fail: (190) [system] '('=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x563acd73bee0), _1733834)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1735692)
   Exit: (192) [system] peek_char((0x563acd73bee0), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
   Call: (192) [system] '('=(/)
   Fail: (192) [system] '('=(/)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] get_char((0x563acd73bee0), _1751702)
   Exit: (191) [system] get_char((0x563acd73bee0), '(')
   Call: (191) [system] '('='('
   Exit: (191) [system] '('='('
^  Call: (191) [user] read_list(')', (0x563acd73bee0), _1733834)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1757272)
   Exit: (193) [system] peek_char((0x563acd73bee0), :)
   Call: (193) [system] (:)=(;)
   Fail: (193) [system] (:)=(;)
   Call: (193) [system] (:)=(/)
   Fail: (193) [system] (:)=(/)
^  Call: (193) [user] is_like_space(:)
   Call: (194) [system] char_type(:, 'white')
   Fail: (194) [system] char_type(:, 'white')
   Call: (194) [system] char_type(:, end_of_line)
   Fail: (194) [system] char_type(:, end_of_line)
   Call: (194) [system] char_type(:, space)
   Fail: (194) [system] char_type(:, space)
   Call: (194) [system] char_type(:, cntrl)
   Fail: (194) [system] char_type(:, cntrl)
^  Fail: (193) [user] is_like_space(:)
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1773282)
   Exit: (192) [system] peek_char((0x563acd73bee0), :)
   Call: (192) [system] (:)=')'
   Fail: (192) [system] (:)=')'
   Call: (192) [system] (:)=end_of_file
   Fail: (192) [system] (:)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x563acd73bee0), _1778852)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1780710)
   Exit: (194) [system] peek_char((0x563acd73bee0), :)
   Call: (194) [system] (:)=(;)
   Fail: (194) [system] (:)=(;)
   Call: (194) [system] (:)=(/)
   Fail: (194) [system] (:)=(/)
^  Call: (194) [user] is_like_space(:)
   Call: (195) [system] char_type(:, 'white')
   Fail: (195) [system] char_type(:, 'white')
   Call: (195) [system] char_type(:, end_of_line)
   Fail: (195) [system] char_type(:, end_of_line)
   Call: (195) [system] char_type(:, space)
   Fail: (195) [system] char_type(:, space)
   Call: (195) [system] char_type(:, cntrl)
   Fail: (195) [system] char_type(:, cntrl)
^  Fail: (194) [user] is_like_space(:)
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] get_char((0x563acd73bee0), _1796720)
   Exit: (193) [system] get_char((0x563acd73bee0), :)
   Call: (193) [system] (:)='('
   Fail: (193) [system] (:)='('
   Call: (193) [system] (:)='['
   Fail: (193) [system] (:)='['
   Call: (193) [system] (:)='{'
   Fail: (193) [system] (:)='{'
   Call: (193) [system] (:)='"'
   Fail: (193) [system] (:)='"'
   Call: (193) [system] (:)=!
   Fail: (193) [system] (:)=!
   Call: (193) [system] (:)='\''
   Fail: (193) [system] (:)='\''
   Call: (193) [system] (:)='`'
   Fail: (193) [system] (:)='`'
   Call: (193) [system] (:)=end_of_file
   Fail: (193) [system] (:)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x563acd73bee0), :, _1778852)
^  Call: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), _1814362)
   Call: (195) [system] peek_char((0x563acd73bee0), _1815296)
   Exit: (195) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (195) [user] is_delimiter(' ')
   Call: (196) [system] char_type(' ', space)
   Exit: (196) [system] char_type(' ', space)
^  Exit: (195) [user] is_delimiter(' ')
   Call: (195) [system] _1814362=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (194) [user] classify_and_convert_charseq([:], _1778852)
^  Call: (195) [user] classify_and_convert_charseq_([:], _1824580)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_1825532, _1825534), once(user:catch(read_from_chars([:], _1824580), _1825514, fail)), '$restore_trace'(_1825532, _1825534))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_1825532, _1825534))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1825514, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(:)
   Exit: (196) [system] atomic(:)
^  Exit: (195) [user] classify_and_convert_charseq_([:], :)
   Call: (195) [system] integer(:)
   Fail: (195) [system] integer(:)
   Call: (195) [system] _1778852=(:)
   Exit: (195) [system] (:)=(:)
^  Exit: (194) [user] classify_and_convert_charseq([:], :)
^  Exit: (193) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (192) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _1837660)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1839518)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x563acd73bee0), _1849112)
   Exit: (194) [system] get_char((0x563acd73bee0), ' ')
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1851816)
   Exit: (195) [system] peek_char((0x563acd73bee0), a)
   Call: (195) [system] a=(;)
   Fail: (195) [system] a=(;)
   Call: (195) [system] a=(/)
   Fail: (195) [system] a=(/)
^  Call: (195) [user] is_like_space(a)
   Call: (196) [system] char_type(a, 'white')
   Fail: (196) [system] char_type(a, 'white')
   Call: (196) [system] char_type(a, end_of_line)
   Fail: (196) [system] char_type(a, end_of_line)
   Call: (196) [system] char_type(a, space)
   Fail: (196) [system] char_type(a, space)
   Call: (196) [system] char_type(a, cntrl)
   Fail: (196) [system] char_type(a, cntrl)
^  Fail: (195) [user] is_like_space(a)
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1868750)
   Exit: (193) [system] peek_char((0x563acd73bee0), a)
   Call: (193) [system] a=')'
   Fail: (193) [system] a=')'
   Call: (193) [system] a=end_of_file
   Fail: (193) [system] a=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x563acd73bee0), _1874320)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1876178)
   Exit: (195) [system] peek_char((0x563acd73bee0), a)
   Call: (195) [system] a=(;)
   Fail: (195) [system] a=(;)
   Call: (195) [system] a=(/)
   Fail: (195) [system] a=(/)
^  Call: (195) [user] is_like_space(a)
   Call: (196) [system] char_type(a, 'white')
   Fail: (196) [system] char_type(a, 'white')
   Call: (196) [system] char_type(a, end_of_line)
   Fail: (196) [system] char_type(a, end_of_line)
   Call: (196) [system] char_type(a, space)
   Fail: (196) [system] char_type(a, space)
   Call: (196) [system] char_type(a, cntrl)
   Fail: (196) [system] char_type(a, cntrl)
^  Fail: (195) [user] is_like_space(a)
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] get_char((0x563acd73bee0), _1892188)
   Exit: (194) [system] get_char((0x563acd73bee0), a)
   Call: (194) [system] a='('
   Fail: (194) [system] a='('
   Call: (194) [system] a='['
   Fail: (194) [system] a='['
   Call: (194) [system] a='{'
   Fail: (194) [system] a='{'
   Call: (194) [system] a='"'
   Fail: (194) [system] a='"'
   Call: (194) [system] a=!
   Fail: (194) [system] a=!
   Call: (194) [system] a='\''
   Fail: (194) [system] a='\''
   Call: (194) [system] a='`'
   Fail: (194) [system] a='`'
   Call: (194) [system] a=end_of_file
   Fail: (194) [system] a=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x563acd73bee0), a, _1874320)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _1909830)
   Call: (196) [system] peek_char((0x563acd73bee0), _1910764)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _1909830=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (195) [user] classify_and_convert_charseq([a], _1874320)
^  Call: (196) [user] classify_and_convert_charseq_([a], _1920048)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_1921000, _1921002), once(user:catch(read_from_chars([a], _1920048), _1920982, fail)), '$restore_trace'(_1921000, _1921002))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_1921000, _1921002))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1920982, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(a)
   Exit: (197) [system] atomic(a)
^  Exit: (196) [user] classify_and_convert_charseq_([a], a)
   Call: (196) [system] integer(a)
   Fail: (196) [system] integer(a)
   Call: (196) [system] _1874320=a
   Exit: (196) [system] a=a
^  Exit: (195) [user] classify_and_convert_charseq([a], a)
^  Exit: (194) [user] read_symbolic(')', (0x563acd73bee0), a, a)
^  Exit: (193) [user] cont_sexpr(')', (0x563acd73bee0), a)
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _1933128)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1934986)
   Exit: (195) [system] peek_char((0x563acd73bee0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x563acd73bee0), _1944580)
   Exit: (195) [system] get_char((0x563acd73bee0), ' ')
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1947284)
   Exit: (196) [system] peek_char((0x563acd73bee0), 'B')
   Call: (196) [system] 'B'=(;)
   Fail: (196) [system] 'B'=(;)
   Call: (196) [system] 'B'=(/)
   Fail: (196) [system] 'B'=(/)
^  Call: (196) [user] is_like_space('B')
   Call: (197) [system] char_type('B', 'white')
   Fail: (197) [system] char_type('B', 'white')
   Call: (197) [system] char_type('B', end_of_line)
   Fail: (197) [system] char_type('B', end_of_line)
   Call: (197) [system] char_type('B', space)
   Fail: (197) [system] char_type('B', space)
   Call: (197) [system] char_type('B', cntrl)
   Fail: (197) [system] char_type('B', cntrl)
^  Fail: (196) [user] is_like_space('B')
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1964218)
   Exit: (194) [system] peek_char((0x563acd73bee0), 'B')
   Call: (194) [system] 'B'=')'
   Fail: (194) [system] 'B'=')'
   Call: (194) [system] 'B'=end_of_file
   Fail: (194) [system] 'B'=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x563acd73bee0), _1969788)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1971646)
   Exit: (196) [system] peek_char((0x563acd73bee0), 'B')
   Call: (196) [system] 'B'=(;)
   Fail: (196) [system] 'B'=(;)
   Call: (196) [system] 'B'=(/)
   Fail: (196) [system] 'B'=(/)
^  Call: (196) [user] is_like_space('B')
   Call: (197) [system] char_type('B', 'white')
   Fail: (197) [system] char_type('B', 'white')
   Call: (197) [system] char_type('B', end_of_line)
   Fail: (197) [system] char_type('B', end_of_line)
   Call: (197) [system] char_type('B', space)
   Fail: (197) [system] char_type('B', space)
   Call: (197) [system] char_type('B', cntrl)
   Fail: (197) [system] char_type('B', cntrl)
^  Fail: (196) [user] is_like_space('B')
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] get_char((0x563acd73bee0), _1987656)
   Exit: (195) [system] get_char((0x563acd73bee0), 'B')
   Call: (195) [system] 'B'='('
   Fail: (195) [system] 'B'='('
   Call: (195) [system] 'B'='['
   Fail: (195) [system] 'B'='['
   Call: (195) [system] 'B'='{'
   Fail: (195) [system] 'B'='{'
   Call: (195) [system] 'B'='"'
   Fail: (195) [system] 'B'='"'
   Call: (195) [system] 'B'=!
   Fail: (195) [system] 'B'=!
   Call: (195) [system] 'B'='\''
   Fail: (195) [system] 'B'='\''
   Call: (195) [system] 'B'='`'
   Fail: (195) [system] 'B'='`'
   Call: (195) [system] 'B'=end_of_file
   Fail: (195) [system] 'B'=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x563acd73bee0), 'B', _1969788)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _2005298)
   Call: (197) [system] peek_char((0x563acd73bee0), _2006232)
   Exit: (197) [system] peek_char((0x563acd73bee0), ')')
^  Call: (197) [user] is_delimiter(')')
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] arg(_2010952, v('(', ')', end_of_file), ')')
   Exit: (198) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (197) [user] is_delimiter(')')
   Call: (197) [system] _2005298=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (196) [user] classify_and_convert_charseq(['B'], _1969788)
^  Call: (197) [user] classify_and_convert_charseq_(['B'], _2017388)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_2018340, _2018342), once(user:catch(read_from_chars(['B'], _2017388), _2018322, fail)), '$restore_trace'(_2018340, _2018342))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_2018340, _2018342))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _2017388), _2018322, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(_2017388)
   Fail: (198) [system] atomic(_2017388)
   Call: (198) [system] atom_chars(_2017388, ['B'])
   Exit: (198) [system] atom_chars('B', ['B'])
^  Exit: (197) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (197) [system] integer('B')
   Fail: (197) [system] integer('B')
   Call: (197) [system] _1969788='B'
   Exit: (197) [system] 'B'='B'
^  Exit: (196) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (195) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (194) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _2032338)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _2034196)
   Exit: (196) [system] peek_char((0x563acd73bee0), ')')
   Call: (196) [system] ')'=(;)
   Fail: (196) [system] ')'=(;)
   Call: (196) [system] ')'=(/)
   Fail: (196) [system] ')'=(/)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Fail: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Fail: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
   Fail: (197) [system] char_type(')', cntrl)
^  Fail: (196) [user] is_like_space(')')
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _2050206)
   Exit: (195) [system] peek_char((0x563acd73bee0), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x563acd73bee0), _2053996)
   Exit: (195) [system] get_char((0x563acd73bee0), ')')
   Call: (195) [system] _2032338=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), [])
   Call: (194) [system] _1933128=['B']
   Exit: (194) [system] ['B']=['B']
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), ['B'])
   Call: (193) [system] _1837660=[a, 'B']
   Exit: (193) [system] [a, 'B']=[a, 'B']
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), [a, 'B'])
   Call: (192) [system] _1733834=[:, a, 'B']
   Exit: (192) [system] [:, a, 'B']=[:, a, 'B']
^  Exit: (191) [user] read_list(')', (0x563acd73bee0), [:, a, 'B'])
^  Exit: (190) [user] cont_sexpr(')', (0x563acd73bee0), [:, a, 'B'])
^  Call: (190) [user] read_list(')', (0x563acd73bee0), _2067878)
^  Call: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _2069736)
   Exit: (192) [system] peek_char((0x563acd73bee0), '\n')
   Call: (192) [system] '\n'=(;)
   Fail: (192) [system] '\n'=(;)
   Call: (192) [system] '\n'=(/)
   Fail: (192) [system] '\n'=(/)
^  Call: (192) [user] is_like_space('\n')
   Call: (193) [system] char_type('\n', 'white')
   Fail: (193) [system] char_type('\n', 'white')
   Call: (193) [system] char_type('\n', end_of_line)
   Exit: (193) [system] char_type('\n', end_of_line)
^  Exit: (192) [user] is_like_space('\n')
   Call: (192) [system] get_char((0x563acd73bee0), _2081186)
   Exit: (192) [system] get_char((0x563acd73bee0), '\n')
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _2083890)
   Exit: (193) [system] peek_char((0x563acd73bee0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
   Call: (193) [system] ' '=(/)
   Fail: (193) [system] ' '=(/)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x563acd73bee0), _2093484)
   Exit: (193) [system] get_char((0x563acd73bee0), ' ')
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _3552)
   Exit: (194) [system] peek_char((0x563acd73bee0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
^  Exit: (191) [user] skip_spaces((0x563acd73bee0))
   Call: (191) [system] peek_char((0x563acd73bee0), _20832)
   Exit: (191) [system] peek_char((0x563acd73bee0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x563acd73bee0), _26402)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _28260)
   Exit: (193) [system] peek_char((0x563acd73bee0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
   Call: (193) [system] '('=(/)
   Fail: (193) [system] '('=(/)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] get_char((0x563acd73bee0), _44270)
   Exit: (192) [system] get_char((0x563acd73bee0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _26402)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _49840)
   Exit: (194) [system] peek_char((0x563acd73bee0), :)
   Call: (194) [system] (:)=(;)
   Fail: (194) [system] (:)=(;)
   Call: (194) [system] (:)=(/)
   Fail: (194) [system] (:)=(/)
^  Call: (194) [user] is_like_space(:)
   Call: (195) [system] char_type(:, 'white')
   Fail: (195) [system] char_type(:, 'white')
   Call: (195) [system] char_type(:, end_of_line)
   Fail: (195) [system] char_type(:, end_of_line)
   Call: (195) [system] char_type(:, space)
   Fail: (195) [system] char_type(:, space)
   Call: (195) [system] char_type(:, cntrl)
   Fail: (195) [system] char_type(:, cntrl)
^  Fail: (194) [user] is_like_space(:)
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _65850)
   Exit: (193) [system] peek_char((0x563acd73bee0), :)
   Call: (193) [system] (:)=')'
   Fail: (193) [system] (:)=')'
   Call: (193) [system] (:)=end_of_file
   Fail: (193) [system] (:)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x563acd73bee0), _71420)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _73278)
   Exit: (195) [system] peek_char((0x563acd73bee0), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
   Call: (195) [system] (:)=(/)
   Fail: (195) [system] (:)=(/)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] get_char((0x563acd73bee0), _89288)
   Exit: (194) [system] get_char((0x563acd73bee0), :)
   Call: (194) [system] (:)='('
   Fail: (194) [system] (:)='('
   Call: (194) [system] (:)='['
   Fail: (194) [system] (:)='['
   Call: (194) [system] (:)='{'
   Fail: (194) [system] (:)='{'
   Call: (194) [system] (:)='"'
   Fail: (194) [system] (:)='"'
   Call: (194) [system] (:)=!
   Fail: (194) [system] (:)=!
   Call: (194) [system] (:)='\''
   Fail: (194) [system] (:)='\''
   Call: (194) [system] (:)='`'
   Fail: (194) [system] (:)='`'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x563acd73bee0), :, _71420)
^  Call: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), _106930)
   Call: (196) [system] peek_char((0x563acd73bee0), _107864)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _106930=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (195) [user] classify_and_convert_charseq([:], _71420)
^  Call: (196) [user] classify_and_convert_charseq_([:], _117148)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_118100, _118102), once(user:catch(read_from_chars([:], _117148), _118082, fail)), '$restore_trace'(_118100, _118102))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_118100, _118102))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _118082, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(:)
   Exit: (197) [system] atomic(:)
^  Exit: (196) [user] classify_and_convert_charseq_([:], :)
   Call: (196) [system] integer(:)
   Fail: (196) [system] integer(:)
   Call: (196) [system] _71420=(:)
   Exit: (196) [system] (:)=(:)
^  Exit: (195) [user] classify_and_convert_charseq([:], :)
^  Exit: (194) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (193) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _130228)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _132086)
   Exit: (195) [system] peek_char((0x563acd73bee0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x563acd73bee0), _141680)
   Exit: (195) [system] get_char((0x563acd73bee0), ' ')
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _144384)
   Exit: (196) [system] peek_char((0x563acd73bee0), c)
   Call: (196) [system] c=(;)
   Fail: (196) [system] c=(;)
   Call: (196) [system] c=(/)
   Fail: (196) [system] c=(/)
^  Call: (196) [user] is_like_space(c)
   Call: (197) [system] char_type(c, 'white')
   Fail: (197) [system] char_type(c, 'white')
   Call: (197) [system] char_type(c, end_of_line)
   Fail: (197) [system] char_type(c, end_of_line)
   Call: (197) [system] char_type(c, space)
   Fail: (197) [system] char_type(c, space)
   Call: (197) [system] char_type(c, cntrl)
   Fail: (197) [system] char_type(c, cntrl)
^  Fail: (196) [user] is_like_space(c)
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _161318)
   Exit: (194) [system] peek_char((0x563acd73bee0), c)
   Call: (194) [system] c=')'
   Fail: (194) [system] c=')'
   Call: (194) [system] c=end_of_file
   Fail: (194) [system] c=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x563acd73bee0), _166888)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _168746)
   Exit: (196) [system] peek_char((0x563acd73bee0), c)
   Call: (196) [system] c=(;)
   Fail: (196) [system] c=(;)
   Call: (196) [system] c=(/)
   Fail: (196) [system] c=(/)
^  Call: (196) [user] is_like_space(c)
   Call: (197) [system] char_type(c, 'white')
   Fail: (197) [system] char_type(c, 'white')
   Call: (197) [system] char_type(c, end_of_line)
   Fail: (197) [system] char_type(c, end_of_line)
   Call: (197) [system] char_type(c, space)
   Fail: (197) [system] char_type(c, space)
   Call: (197) [system] char_type(c, cntrl)
   Fail: (197) [system] char_type(c, cntrl)
^  Fail: (196) [user] is_like_space(c)
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] get_char((0x563acd73bee0), _184756)
   Exit: (195) [system] get_char((0x563acd73bee0), c)
   Call: (195) [system] c='('
   Fail: (195) [system] c='('
   Call: (195) [system] c='['
   Fail: (195) [system] c='['
   Call: (195) [system] c='{'
   Fail: (195) [system] c='{'
   Call: (195) [system] c='"'
   Fail: (195) [system] c='"'
   Call: (195) [system] c=!
   Fail: (195) [system] c=!
   Call: (195) [system] c='\''
   Fail: (195) [system] c='\''
   Call: (195) [system] c='`'
   Fail: (195) [system] c='`'
   Call: (195) [system] c=end_of_file
   Fail: (195) [system] c=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x563acd73bee0), c, _166888)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _202398)
   Call: (197) [system] peek_char((0x563acd73bee0), _203332)
   Exit: (197) [system] peek_char((0x563acd73bee0), d)
^  Call: (197) [user] is_delimiter(d)
   Call: (198) [system] char_type(d, space)
   Fail: (198) [system] char_type(d, space)
   Call: (198) [system] arg(_208052, v('(', ')', end_of_file), d)
   Fail: (198) [system] arg(_208984, v('(', ')', end_of_file), d)
^  Fail: (197) [user] is_delimiter(d)
   Call: (197) [system] ')'==d
   Fail: (197) [system] ')'==d
   Call: (197) [system] get_char((0x563acd73bee0), d)
   Exit: (197) [system] get_char((0x563acd73bee0), d)
   Call: (197) [system] d=(\)
   Fail: (197) [system] d=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _216334)
   Call: (198) [system] peek_char((0x563acd73bee0), _217268)
   Exit: (198) [system] peek_char((0x563acd73bee0), e)
^  Call: (198) [user] is_delimiter(e)
   Call: (199) [system] char_type(e, space)
   Fail: (199) [system] char_type(e, space)
   Call: (199) [system] arg(_221988, v('(', ')', end_of_file), e)
   Fail: (199) [system] arg(_222920, v('(', ')', end_of_file), e)
^  Fail: (198) [user] is_delimiter(e)
   Call: (198) [system] ')'==e
   Fail: (198) [system] ')'==e
   Call: (198) [system] get_char((0x563acd73bee0), e)
   Exit: (198) [system] get_char((0x563acd73bee0), e)
   Call: (198) [system] e=(\)
   Fail: (198) [system] e=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _230270)
   Call: (199) [system] peek_char((0x563acd73bee0), _231204)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (199) [user] is_delimiter(' ')
   Call: (200) [system] char_type(' ', space)
   Exit: (200) [system] char_type(' ', space)
^  Exit: (199) [user] is_delimiter(' ')
   Call: (199) [system] _230270=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (198) [system] _216334=[e]
   Exit: (198) [system] [e]=[e]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [e])
   Call: (197) [system] _202398=[d, e]
   Exit: (197) [system] [d, e]=[d, e]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, e])
^  Call: (196) [user] classify_and_convert_charseq([c, d, e], _166888)
^  Call: (197) [user] classify_and_convert_charseq_([c, d, e], _246076)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_247028, _247030), once(user:catch(read_from_chars([c, d, e], _246076), _247010, fail)), '$restore_trace'(_247028, _247030))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_247028, _247030))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _247010, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(cde)
   Exit: (198) [system] atomic(cde)
^  Exit: (197) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (197) [system] integer(cde)
   Fail: (197) [system] integer(cde)
   Call: (197) [system] _166888=cde
   Exit: (197) [system] cde=cde
^  Exit: (196) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (195) [user] read_symbolic(')', (0x563acd73bee0), c, cde)
^  Exit: (194) [user] cont_sexpr(')', (0x563acd73bee0), cde)
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _259156)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _261014)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x563acd73bee0), _270608)
   Exit: (196) [system] get_char((0x563acd73bee0), ' ')
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _273312)
   Exit: (197) [system] peek_char((0x563acd73bee0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _290246)
   Exit: (195) [system] peek_char((0x563acd73bee0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x563acd73bee0), _295816)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _297674)
   Exit: (197) [system] peek_char((0x563acd73bee0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] get_char((0x563acd73bee0), _313684)
   Exit: (196) [system] get_char((0x563acd73bee0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x563acd73bee0), _295816)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _319254)
   Exit: (198) [system] peek_char((0x563acd73bee0), 'I')
   Call: (198) [system] 'I'=(;)
   Fail: (198) [system] 'I'=(;)
   Call: (198) [system] 'I'=(/)
   Fail: (198) [system] 'I'=(/)
^  Call: (198) [user] is_like_space('I')
   Call: (199) [system] char_type('I', 'white')
   Fail: (199) [system] char_type('I', 'white')
   Call: (199) [system] char_type('I', end_of_line)
   Fail: (199) [system] char_type('I', end_of_line)
   Call: (199) [system] char_type('I', space)
   Fail: (199) [system] char_type('I', space)
   Call: (199) [system] char_type('I', cntrl)
   Fail: (199) [system] char_type('I', cntrl)
^  Fail: (198) [user] is_like_space('I')
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _335264)
   Exit: (197) [system] peek_char((0x563acd73bee0), 'I')
   Call: (197) [system] 'I'=')'
   Fail: (197) [system] 'I'=')'
   Call: (197) [system] 'I'=end_of_file
   Fail: (197) [system] 'I'=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x563acd73bee0), _340834)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _342692)
   Exit: (199) [system] peek_char((0x563acd73bee0), 'I')
   Call: (199) [system] 'I'=(;)
   Fail: (199) [system] 'I'=(;)
   Call: (199) [system] 'I'=(/)
   Fail: (199) [system] 'I'=(/)
^  Call: (199) [user] is_like_space('I')
   Call: (200) [system] char_type('I', 'white')
   Fail: (200) [system] char_type('I', 'white')
   Call: (200) [system] char_type('I', end_of_line)
   Fail: (200) [system] char_type('I', end_of_line)
   Call: (200) [system] char_type('I', space)
   Fail: (200) [system] char_type('I', space)
   Call: (200) [system] char_type('I', cntrl)
   Fail: (200) [system] char_type('I', cntrl)
^  Fail: (199) [user] is_like_space('I')
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] get_char((0x563acd73bee0), _358702)
   Exit: (198) [system] get_char((0x563acd73bee0), 'I')
   Call: (198) [system] 'I'='('
   Fail: (198) [system] 'I'='('
   Call: (198) [system] 'I'='['
   Fail: (198) [system] 'I'='['
   Call: (198) [system] 'I'='{'
   Fail: (198) [system] 'I'='{'
   Call: (198) [system] 'I'='"'
   Fail: (198) [system] 'I'='"'
   Call: (198) [system] 'I'=!
   Fail: (198) [system] 'I'=!
   Call: (198) [system] 'I'='\''
   Fail: (198) [system] 'I'='\''
   Call: (198) [system] 'I'='`'
   Fail: (198) [system] 'I'='`'
   Call: (198) [system] 'I'=end_of_file
   Fail: (198) [system] 'I'=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x563acd73bee0), 'I', _340834)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _376344)
   Call: (200) [system] peek_char((0x563acd73bee0), _377278)
   Exit: (200) [system] peek_char((0x563acd73bee0), m)
^  Call: (200) [user] is_delimiter(m)
   Call: (201) [system] char_type(m, space)
   Fail: (201) [system] char_type(m, space)
   Call: (201) [system] arg(_381998, v('(', ')', end_of_file), m)
   Fail: (201) [system] arg(_382930, v('(', ')', end_of_file), m)
^  Fail: (200) [user] is_delimiter(m)
   Call: (200) [system] ')'==m
   Fail: (200) [system] ')'==m
   Call: (200) [system] get_char((0x563acd73bee0), m)
   Exit: (200) [system] get_char((0x563acd73bee0), m)
   Call: (200) [system] m=(\)
   Fail: (200) [system] m=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _390280)
   Call: (201) [system] peek_char((0x563acd73bee0), _391214)
   Exit: (201) [system] peek_char((0x563acd73bee0), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_395934, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_396866, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x563acd73bee0), p)
   Exit: (201) [system] get_char((0x563acd73bee0), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _404216)
   Call: (202) [system] peek_char((0x563acd73bee0), _405150)
   Exit: (202) [system] peek_char((0x563acd73bee0), l)
^  Call: (202) [user] is_delimiter(l)
   Call: (203) [system] char_type(l, space)
   Fail: (203) [system] char_type(l, space)
   Call: (203) [system] arg(_409870, v('(', ')', end_of_file), l)
   Fail: (203) [system] arg(_410802, v('(', ')', end_of_file), l)
^  Fail: (202) [user] is_delimiter(l)
   Call: (202) [system] ')'==l
   Fail: (202) [system] ')'==l
   Call: (202) [system] get_char((0x563acd73bee0), l)
   Exit: (202) [system] get_char((0x563acd73bee0), l)
   Call: (202) [system] l=(\)
   Fail: (202) [system] l=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _418152)
   Call: (203) [system] peek_char((0x563acd73bee0), _419086)
   Exit: (203) [system] peek_char((0x563acd73bee0), i)
^  Call: (203) [user] is_delimiter(i)
   Call: (204) [system] char_type(i, space)
   Fail: (204) [system] char_type(i, space)
   Call: (204) [system] arg(_423806, v('(', ')', end_of_file), i)
   Fail: (204) [system] arg(_424738, v('(', ')', end_of_file), i)
^  Fail: (203) [user] is_delimiter(i)
   Call: (203) [system] ')'==i
   Fail: (203) [system] ')'==i
   Call: (203) [system] get_char((0x563acd73bee0), i)
   Exit: (203) [system] get_char((0x563acd73bee0), i)
   Call: (203) [system] i=(\)
   Fail: (203) [system] i=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _432088)
   Call: (204) [system] peek_char((0x563acd73bee0), _433022)
   Exit: (204) [system] peek_char((0x563acd73bee0), c)
^  Call: (204) [user] is_delimiter(c)
   Call: (205) [system] char_type(c, space)
   Fail: (205) [system] char_type(c, space)
   Call: (205) [system] arg(_437742, v('(', ')', end_of_file), c)
   Fail: (205) [system] arg(_438674, v('(', ')', end_of_file), c)
^  Fail: (204) [user] is_delimiter(c)
   Call: (204) [system] ')'==c
   Fail: (204) [system] ')'==c
   Call: (204) [system] get_char((0x563acd73bee0), c)
   Exit: (204) [system] get_char((0x563acd73bee0), c)
   Call: (204) [system] c=(\)
   Fail: (204) [system] c=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _446024)
   Call: (205) [system] peek_char((0x563acd73bee0), _446958)
   Exit: (205) [system] peek_char((0x563acd73bee0), a)
^  Call: (205) [user] is_delimiter(a)
   Call: (206) [system] char_type(a, space)
   Fail: (206) [system] char_type(a, space)
   Call: (206) [system] arg(_451678, v('(', ')', end_of_file), a)
   Fail: (206) [system] arg(_452610, v('(', ')', end_of_file), a)
^  Fail: (205) [user] is_delimiter(a)
   Call: (205) [system] ')'==a
   Fail: (205) [system] ')'==a
   Call: (205) [system] get_char((0x563acd73bee0), a)
   Exit: (205) [system] get_char((0x563acd73bee0), a)
   Call: (205) [system] a=(\)
   Fail: (205) [system] a=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _459960)
   Call: (206) [system] peek_char((0x563acd73bee0), _460894)
   Exit: (206) [system] peek_char((0x563acd73bee0), t)
^  Call: (206) [user] is_delimiter(t)
   Call: (207) [system] char_type(t, space)
   Fail: (207) [system] char_type(t, space)
   Call: (207) [system] arg(_465614, v('(', ')', end_of_file), t)
   Fail: (207) [system] arg(_466546, v('(', ')', end_of_file), t)
^  Fail: (206) [user] is_delimiter(t)
   Call: (206) [system] ')'==t
   Fail: (206) [system] ')'==t
   Call: (206) [system] get_char((0x563acd73bee0), t)
   Exit: (206) [system] get_char((0x563acd73bee0), t)
   Call: (206) [system] t=(\)
   Fail: (206) [system] t=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _473896)
   Call: (207) [system] peek_char((0x563acd73bee0), _474830)
   Exit: (207) [system] peek_char((0x563acd73bee0), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Fail: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_479550, v('(', ')', end_of_file), i)
   Fail: (208) [system] arg(_480482, v('(', ')', end_of_file), i)
^  Fail: (207) [user] is_delimiter(i)
   Call: (207) [system] ')'==i
   Fail: (207) [system] ')'==i
   Call: (207) [system] get_char((0x563acd73bee0), i)
   Exit: (207) [system] get_char((0x563acd73bee0), i)
   Call: (207) [system] i=(\)
   Fail: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _487832)
   Call: (208) [system] peek_char((0x563acd73bee0), _488766)
   Exit: (208) [system] peek_char((0x563acd73bee0), o)
^  Call: (208) [user] is_delimiter(o)
   Call: (209) [system] char_type(o, space)
   Fail: (209) [system] char_type(o, space)
   Call: (209) [system] arg(_493486, v('(', ')', end_of_file), o)
   Fail: (209) [system] arg(_494418, v('(', ')', end_of_file), o)
^  Fail: (208) [user] is_delimiter(o)
   Call: (208) [system] ')'==o
   Fail: (208) [system] ')'==o
   Call: (208) [system] get_char((0x563acd73bee0), o)
   Exit: (208) [system] get_char((0x563acd73bee0), o)
   Call: (208) [system] o=(\)
   Fail: (208) [system] o=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _501768)
   Call: (209) [system] peek_char((0x563acd73bee0), _502702)
   Exit: (209) [system] peek_char((0x563acd73bee0), n)
^  Call: (209) [user] is_delimiter(n)
   Call: (210) [system] char_type(n, space)
   Fail: (210) [system] char_type(n, space)
   Call: (210) [system] arg(_507422, v('(', ')', end_of_file), n)
   Fail: (210) [system] arg(_508354, v('(', ')', end_of_file), n)
^  Fail: (209) [user] is_delimiter(n)
   Call: (209) [system] ')'==n
   Fail: (209) [system] ')'==n
   Call: (209) [system] get_char((0x563acd73bee0), n)
   Exit: (209) [system] get_char((0x563acd73bee0), n)
   Call: (209) [system] n=(\)
   Fail: (209) [system] n=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _515704)
   Call: (210) [system] peek_char((0x563acd73bee0), _516638)
   Exit: (210) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _515704=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (209) [system] _501768=[n]
   Exit: (209) [system] [n]=[n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (208) [system] _487832=[o, n]
   Exit: (208) [system] [o, n]=[o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (207) [system] _473896=[i, o, n]
   Exit: (207) [system] [i, o, n]=[i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (206) [system] _459960=[t, i, o, n]
   Exit: (206) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (205) [system] _446024=[a, t, i, o, n]
   Exit: (205) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (204) [system] _432088=[c, a, t, i, o, n]
   Exit: (204) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (203) [system] _418152=[i, c, a, t, i, o, n]
   Exit: (203) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (202) [system] _404216=[l, i, c, a, t, i, o, n]
   Exit: (202) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (201) [system] _390280=[p, l, i, c, a, t, i, o, n]
   Exit: (201) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (200) [system] _376344=[m, p, l, i, c, a, t, i, o, n]
   Exit: (200) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (199) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _340834)
^  Call: (200) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _553862)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_554814, _554816), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _553862), _554796, fail)), '$restore_trace'(_554814, _554816))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_554814, _554816))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _553862), _554796, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(_553862)
   Fail: (201) [system] atomic(_553862)
   Call: (201) [system] atom_chars(_553862, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (201) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (200) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (200) [system] integer('Implication')
   Fail: (200) [system] integer('Implication')
   Call: (200) [system] _340834='Implication'
   Exit: (200) [system] 'Implication'='Implication'
^  Exit: (199) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (198) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (197) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _568812)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _570670)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x563acd73bee0), _580264)
   Exit: (199) [system] get_char((0x563acd73bee0), ' ')
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _582968)
   Exit: (200) [system] peek_char((0x563acd73bee0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _599902)
   Exit: (198) [system] peek_char((0x563acd73bee0), '(')
   Call: (198) [system] '('=')'
   Fail: (198) [system] '('=')'
   Call: (198) [system] '('=end_of_file
   Fail: (198) [system] '('=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x563acd73bee0), _605472)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _607330)
   Exit: (200) [system] peek_char((0x563acd73bee0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] get_char((0x563acd73bee0), _623340)
   Exit: (199) [system] get_char((0x563acd73bee0), '(')
   Call: (199) [system] '('='('
   Exit: (199) [system] '('='('
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _605472)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _628910)
   Exit: (201) [system] peek_char((0x563acd73bee0), 'O')
   Call: (201) [system] 'O'=(;)
   Fail: (201) [system] 'O'=(;)
   Call: (201) [system] 'O'=(/)
   Fail: (201) [system] 'O'=(/)
^  Call: (201) [user] is_like_space('O')
   Call: (202) [system] char_type('O', 'white')
   Fail: (202) [system] char_type('O', 'white')
   Call: (202) [system] char_type('O', end_of_line)
   Fail: (202) [system] char_type('O', end_of_line)
   Call: (202) [system] char_type('O', space)
   Fail: (202) [system] char_type('O', space)
   Call: (202) [system] char_type('O', cntrl)
   Fail: (202) [system] char_type('O', cntrl)
^  Fail: (201) [user] is_like_space('O')
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _644920)
   Exit: (200) [system] peek_char((0x563acd73bee0), 'O')
   Call: (200) [system] 'O'=')'
   Fail: (200) [system] 'O'=')'
   Call: (200) [system] 'O'=end_of_file
   Fail: (200) [system] 'O'=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x563acd73bee0), _650490)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _652348)
   Exit: (202) [system] peek_char((0x563acd73bee0), 'O')
   Call: (202) [system] 'O'=(;)
   Fail: (202) [system] 'O'=(;)
   Call: (202) [system] 'O'=(/)
   Fail: (202) [system] 'O'=(/)
^  Call: (202) [user] is_like_space('O')
   Call: (203) [system] char_type('O', 'white')
   Fail: (203) [system] char_type('O', 'white')
   Call: (203) [system] char_type('O', end_of_line)
   Fail: (203) [system] char_type('O', end_of_line)
   Call: (203) [system] char_type('O', space)
   Fail: (203) [system] char_type('O', space)
   Call: (203) [system] char_type('O', cntrl)
   Fail: (203) [system] char_type('O', cntrl)
^  Fail: (202) [user] is_like_space('O')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] get_char((0x563acd73bee0), _668358)
   Exit: (201) [system] get_char((0x563acd73bee0), 'O')
   Call: (201) [system] 'O'='('
   Fail: (201) [system] 'O'='('
   Call: (201) [system] 'O'='['
   Fail: (201) [system] 'O'='['
   Call: (201) [system] 'O'='{'
   Fail: (201) [system] 'O'='{'
   Call: (201) [system] 'O'='"'
   Fail: (201) [system] 'O'='"'
   Call: (201) [system] 'O'=!
   Fail: (201) [system] 'O'=!
   Call: (201) [system] 'O'='\''
   Fail: (201) [system] 'O'='\''
   Call: (201) [system] 'O'='`'
   Fail: (201) [system] 'O'='`'
   Call: (201) [system] 'O'=end_of_file
   Fail: (201) [system] 'O'=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x563acd73bee0), 'O', _650490)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _686000)
   Call: (203) [system] peek_char((0x563acd73bee0), _686934)
   Exit: (203) [system] peek_char((0x563acd73bee0), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_691654, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_692586, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x563acd73bee0), r)
   Exit: (203) [system] get_char((0x563acd73bee0), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _699936)
   Call: (204) [system] peek_char((0x563acd73bee0), _700870)
   Exit: (204) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (204) [user] is_delimiter('L')
   Call: (205) [system] char_type('L', space)
   Fail: (205) [system] char_type('L', space)
   Call: (205) [system] arg(_705590, v('(', ')', end_of_file), 'L')
   Fail: (205) [system] arg(_706522, v('(', ')', end_of_file), 'L')
^  Fail: (204) [user] is_delimiter('L')
   Call: (204) [system] ')'=='L'
   Fail: (204) [system] ')'=='L'
   Call: (204) [system] get_char((0x563acd73bee0), 'L')
   Exit: (204) [system] get_char((0x563acd73bee0), 'L')
   Call: (204) [system] 'L'=(\)
   Fail: (204) [system] 'L'=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _713872)
   Call: (205) [system] peek_char((0x563acd73bee0), _714806)
   Exit: (205) [system] peek_char((0x563acd73bee0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_719526, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_720458, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x563acd73bee0), i)
   Exit: (205) [system] get_char((0x563acd73bee0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _727808)
   Call: (206) [system] peek_char((0x563acd73bee0), _728742)
   Exit: (206) [system] peek_char((0x563acd73bee0), n)
^  Call: (206) [user] is_delimiter(n)
   Call: (207) [system] char_type(n, space)
   Fail: (207) [system] char_type(n, space)
   Call: (207) [system] arg(_733462, v('(', ')', end_of_file), n)
   Fail: (207) [system] arg(_734394, v('(', ')', end_of_file), n)
^  Fail: (206) [user] is_delimiter(n)
   Call: (206) [system] ')'==n
   Fail: (206) [system] ')'==n
   Call: (206) [system] get_char((0x563acd73bee0), n)
   Exit: (206) [system] get_char((0x563acd73bee0), n)
   Call: (206) [system] n=(\)
   Fail: (206) [system] n=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _741744)
   Call: (207) [system] peek_char((0x563acd73bee0), _742678)
   Exit: (207) [system] peek_char((0x563acd73bee0), k)
^  Call: (207) [user] is_delimiter(k)
   Call: (208) [system] char_type(k, space)
   Fail: (208) [system] char_type(k, space)
   Call: (208) [system] arg(_747398, v('(', ')', end_of_file), k)
   Fail: (208) [system] arg(_748330, v('(', ')', end_of_file), k)
^  Fail: (207) [user] is_delimiter(k)
   Call: (207) [system] ')'==k
   Fail: (207) [system] ')'==k
   Call: (207) [system] get_char((0x563acd73bee0), k)
   Exit: (207) [system] get_char((0x563acd73bee0), k)
   Call: (207) [system] k=(\)
   Fail: (207) [system] k=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _755680)
   Call: (208) [system] peek_char((0x563acd73bee0), _756614)
   Exit: (208) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _755680=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (207) [system] _741744=[k]
   Exit: (207) [system] [k]=[k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (206) [system] _727808=[n, k]
   Exit: (206) [system] [n, k]=[n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (205) [system] _713872=[i, n, k]
   Exit: (205) [system] [i, n, k]=[i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (204) [system] _699936=['L', i, n, k]
   Exit: (204) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (203) [system] _686000=[r, 'L', i, n, k]
   Exit: (203) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (202) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _650490)
^  Call: (203) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _779868)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_780820, _780822), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _779868), _780802, fail)), '$restore_trace'(_780820, _780822))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_780820, _780822))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _779868), _780802, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(_779868)
   Fail: (204) [system] atomic(_779868)
   Call: (204) [system] atom_chars(_779868, ['O', r, 'L', i, n, k])
   Exit: (204) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (203) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (203) [system] integer('OrLink')
   Fail: (203) [system] integer('OrLink')
   Call: (203) [system] _650490='OrLink'
   Exit: (203) [system] 'OrLink'='OrLink'
^  Exit: (202) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (201) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (200) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _794818)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _796676)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x563acd73bee0), _806270)
   Exit: (202) [system] get_char((0x563acd73bee0), ' ')
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _808974)
   Exit: (203) [system] peek_char((0x563acd73bee0), 'C')
   Call: (203) [system] 'C'=(;)
   Fail: (203) [system] 'C'=(;)
   Call: (203) [system] 'C'=(/)
   Fail: (203) [system] 'C'=(/)
^  Call: (203) [user] is_like_space('C')
   Call: (204) [system] char_type('C', 'white')
   Fail: (204) [system] char_type('C', 'white')
   Call: (204) [system] char_type('C', end_of_line)
   Fail: (204) [system] char_type('C', end_of_line)
   Call: (204) [system] char_type('C', space)
   Fail: (204) [system] char_type('C', space)
   Call: (204) [system] char_type('C', cntrl)
   Fail: (204) [system] char_type('C', cntrl)
^  Fail: (203) [user] is_like_space('C')
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _825908)
   Exit: (201) [system] peek_char((0x563acd73bee0), 'C')
   Call: (201) [system] 'C'=')'
   Fail: (201) [system] 'C'=')'
   Call: (201) [system] 'C'=end_of_file
   Fail: (201) [system] 'C'=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x563acd73bee0), _831478)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _833336)
   Exit: (203) [system] peek_char((0x563acd73bee0), 'C')
   Call: (203) [system] 'C'=(;)
   Fail: (203) [system] 'C'=(;)
   Call: (203) [system] 'C'=(/)
   Fail: (203) [system] 'C'=(/)
^  Call: (203) [user] is_like_space('C')
   Call: (204) [system] char_type('C', 'white')
   Fail: (204) [system] char_type('C', 'white')
   Call: (204) [system] char_type('C', end_of_line)
   Fail: (204) [system] char_type('C', end_of_line)
   Call: (204) [system] char_type('C', space)
   Fail: (204) [system] char_type('C', space)
   Call: (204) [system] char_type('C', cntrl)
   Fail: (204) [system] char_type('C', cntrl)
^  Fail: (203) [user] is_like_space('C')
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] get_char((0x563acd73bee0), _849346)
   Exit: (202) [system] get_char((0x563acd73bee0), 'C')
   Call: (202) [system] 'C'='('
   Fail: (202) [system] 'C'='('
   Call: (202) [system] 'C'='['
   Fail: (202) [system] 'C'='['
   Call: (202) [system] 'C'='{'
   Fail: (202) [system] 'C'='{'
   Call: (202) [system] 'C'='"'
   Fail: (202) [system] 'C'='"'
   Call: (202) [system] 'C'=!
   Fail: (202) [system] 'C'=!
   Call: (202) [system] 'C'='\''
   Fail: (202) [system] 'C'='\''
   Call: (202) [system] 'C'='`'
   Fail: (202) [system] 'C'='`'
   Call: (202) [system] 'C'=end_of_file
   Fail: (202) [system] 'C'=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x563acd73bee0), 'C', _831478)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _866988)
   Call: (204) [system] peek_char((0x563acd73bee0), _867922)
   Exit: (204) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _866988=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (203) [user] classify_and_convert_charseq(['C'], _831478)
^  Call: (204) [user] classify_and_convert_charseq_(['C'], _877206)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_878158, _878160), once(user:catch(read_from_chars(['C'], _877206), _878140, fail)), '$restore_trace'(_878158, _878160))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_878158, _878160))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _877206), _878140, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(_877206)
   Fail: (205) [system] atomic(_877206)
   Call: (205) [system] atom_chars(_877206, ['C'])
   Exit: (205) [system] atom_chars('C', ['C'])
^  Exit: (204) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (204) [system] integer('C')
   Fail: (204) [system] integer('C')
   Call: (204) [system] _831478='C'
   Exit: (204) [system] 'C'='C'
^  Exit: (203) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (202) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (201) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (201) [user] read_list(')', (0x563acd73bee0), _892156)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _894014)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x563acd73bee0), _903608)
   Exit: (203) [system] get_char((0x563acd73bee0), ' ')
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _906312)
   Exit: (204) [system] peek_char((0x563acd73bee0), 'D')
   Call: (204) [system] 'D'=(;)
   Fail: (204) [system] 'D'=(;)
   Call: (204) [system] 'D'=(/)
   Fail: (204) [system] 'D'=(/)
^  Call: (204) [user] is_like_space('D')
   Call: (205) [system] char_type('D', 'white')
   Fail: (205) [system] char_type('D', 'white')
   Call: (205) [system] char_type('D', end_of_line)
   Fail: (205) [system] char_type('D', end_of_line)
   Call: (205) [system] char_type('D', space)
   Fail: (205) [system] char_type('D', space)
   Call: (205) [system] char_type('D', cntrl)
   Fail: (205) [system] char_type('D', cntrl)
^  Fail: (204) [user] is_like_space('D')
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _923246)
   Exit: (202) [system] peek_char((0x563acd73bee0), 'D')
   Call: (202) [system] 'D'=')'
   Fail: (202) [system] 'D'=')'
   Call: (202) [system] 'D'=end_of_file
   Fail: (202) [system] 'D'=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x563acd73bee0), _928816)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _930674)
   Exit: (204) [system] peek_char((0x563acd73bee0), 'D')
   Call: (204) [system] 'D'=(;)
   Fail: (204) [system] 'D'=(;)
   Call: (204) [system] 'D'=(/)
   Fail: (204) [system] 'D'=(/)
^  Call: (204) [user] is_like_space('D')
   Call: (205) [system] char_type('D', 'white')
   Fail: (205) [system] char_type('D', 'white')
   Call: (205) [system] char_type('D', end_of_line)
   Fail: (205) [system] char_type('D', end_of_line)
   Call: (205) [system] char_type('D', space)
   Fail: (205) [system] char_type('D', space)
   Call: (205) [system] char_type('D', cntrl)
   Fail: (205) [system] char_type('D', cntrl)
^  Fail: (204) [user] is_like_space('D')
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] get_char((0x563acd73bee0), _946684)
   Exit: (203) [system] get_char((0x563acd73bee0), 'D')
   Call: (203) [system] 'D'='('
   Fail: (203) [system] 'D'='('
   Call: (203) [system] 'D'='['
   Fail: (203) [system] 'D'='['
   Call: (203) [system] 'D'='{'
   Fail: (203) [system] 'D'='{'
   Call: (203) [system] 'D'='"'
   Fail: (203) [system] 'D'='"'
   Call: (203) [system] 'D'=!
   Fail: (203) [system] 'D'=!
   Call: (203) [system] 'D'='\''
   Fail: (203) [system] 'D'='\''
   Call: (203) [system] 'D'='`'
   Fail: (203) [system] 'D'='`'
   Call: (203) [system] 'D'=end_of_file
   Fail: (203) [system] 'D'=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x563acd73bee0), 'D', _928816)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _964326)
   Call: (205) [system] peek_char((0x563acd73bee0), _965260)
   Exit: (205) [system] peek_char((0x563acd73bee0), ')')
^  Call: (205) [user] is_delimiter(')')
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] arg(_969980, v('(', ')', end_of_file), ')')
   Exit: (206) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (205) [user] is_delimiter(')')
   Call: (205) [system] _964326=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (204) [user] classify_and_convert_charseq(['D'], _928816)
^  Call: (205) [user] classify_and_convert_charseq_(['D'], _976416)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_977368, _977370), once(user:catch(read_from_chars(['D'], _976416), _977350, fail)), '$restore_trace'(_977368, _977370))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_977368, _977370))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _976416), _977350, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(_976416)
   Fail: (206) [system] atomic(_976416)
   Call: (206) [system] atom_chars(_976416, ['D'])
   Exit: (206) [system] atom_chars('D', ['D'])
^  Exit: (205) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (205) [system] integer('D')
   Fail: (205) [system] integer('D')
   Call: (205) [system] _928816='D'
   Exit: (205) [system] 'D'='D'
^  Exit: (204) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (203) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'D')
^  Exit: (202) [user] cont_sexpr(')', (0x563acd73bee0), 'D')
^  Call: (202) [user] read_list(')', (0x563acd73bee0), _991366)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _993224)
   Exit: (204) [system] peek_char((0x563acd73bee0), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
   Call: (204) [system] ')'=(/)
   Fail: (204) [system] ')'=(/)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1009234)
   Exit: (203) [system] peek_char((0x563acd73bee0), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x563acd73bee0), _1013024)
   Exit: (203) [system] get_char((0x563acd73bee0), ')')
   Call: (203) [system] _991366=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x563acd73bee0), [])
   Call: (202) [system] _892156=['D']
   Exit: (202) [system] ['D']=['D']
^  Exit: (201) [user] read_list(')', (0x563acd73bee0), ['D'])
   Call: (201) [system] _794818=['C', 'D']
   Exit: (201) [system] ['C', 'D']=['C', 'D']
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), ['C', 'D'])
   Call: (200) [system] _605472=['OrLink', 'C', 'D']
   Exit: (200) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), ['OrLink', 'C', 'D'])
^  Exit: (198) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', 'C', 'D'])
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _1026906)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1028764)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x563acd73bee0), _1038358)
   Exit: (200) [system] get_char((0x563acd73bee0), ' ')
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1041062)
   Exit: (201) [system] peek_char((0x563acd73bee0), 'E')
   Call: (201) [system] 'E'=(;)
   Fail: (201) [system] 'E'=(;)
   Call: (201) [system] 'E'=(/)
   Fail: (201) [system] 'E'=(/)
^  Call: (201) [user] is_like_space('E')
   Call: (202) [system] char_type('E', 'white')
   Fail: (202) [system] char_type('E', 'white')
   Call: (202) [system] char_type('E', end_of_line)
   Fail: (202) [system] char_type('E', end_of_line)
   Call: (202) [system] char_type('E', space)
   Fail: (202) [system] char_type('E', space)
   Call: (202) [system] char_type('E', cntrl)
   Fail: (202) [system] char_type('E', cntrl)
^  Fail: (201) [user] is_like_space('E')
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1057996)
   Exit: (199) [system] peek_char((0x563acd73bee0), 'E')
   Call: (199) [system] 'E'=')'
   Fail: (199) [system] 'E'=')'
   Call: (199) [system] 'E'=end_of_file
   Fail: (199) [system] 'E'=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x563acd73bee0), _1063566)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1065424)
   Exit: (201) [system] peek_char((0x563acd73bee0), 'E')
   Call: (201) [system] 'E'=(;)
   Fail: (201) [system] 'E'=(;)
   Call: (201) [system] 'E'=(/)
   Fail: (201) [system] 'E'=(/)
^  Call: (201) [user] is_like_space('E')
   Call: (202) [system] char_type('E', 'white')
   Fail: (202) [system] char_type('E', 'white')
   Call: (202) [system] char_type('E', end_of_line)
   Fail: (202) [system] char_type('E', end_of_line)
   Call: (202) [system] char_type('E', space)
   Fail: (202) [system] char_type('E', space)
   Call: (202) [system] char_type('E', cntrl)
   Fail: (202) [system] char_type('E', cntrl)
^  Fail: (201) [user] is_like_space('E')
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] get_char((0x563acd73bee0), _1081434)
   Exit: (200) [system] get_char((0x563acd73bee0), 'E')
   Call: (200) [system] 'E'='('
   Fail: (200) [system] 'E'='('
   Call: (200) [system] 'E'='['
   Fail: (200) [system] 'E'='['
   Call: (200) [system] 'E'='{'
   Fail: (200) [system] 'E'='{'
   Call: (200) [system] 'E'='"'
   Fail: (200) [system] 'E'='"'
   Call: (200) [system] 'E'=!
   Fail: (200) [system] 'E'=!
   Call: (200) [system] 'E'='\''
   Fail: (200) [system] 'E'='\''
   Call: (200) [system] 'E'='`'
   Fail: (200) [system] 'E'='`'
   Call: (200) [system] 'E'=end_of_file
   Fail: (200) [system] 'E'=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x563acd73bee0), 'E', _1063566)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _1099076)
   Call: (202) [system] peek_char((0x563acd73bee0), _1100010)
   Exit: (202) [system] peek_char((0x563acd73bee0), ')')
^  Call: (202) [user] is_delimiter(')')
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] arg(_1104730, v('(', ')', end_of_file), ')')
   Exit: (203) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (202) [user] is_delimiter(')')
   Call: (202) [system] _1099076=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (201) [user] classify_and_convert_charseq(['E'], _1063566)
^  Call: (202) [user] classify_and_convert_charseq_(['E'], _1111166)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_1112118, _1112120), once(user:catch(read_from_chars(['E'], _1111166), _1112100, fail)), '$restore_trace'(_1112118, _1112120))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_1112118, _1112120))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1111166), _1112100, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(_1111166)
   Fail: (203) [system] atomic(_1111166)
   Call: (203) [system] atom_chars(_1111166, ['E'])
   Exit: (203) [system] atom_chars('E', ['E'])
^  Exit: (202) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (202) [system] integer('E')
   Fail: (202) [system] integer('E')
   Call: (202) [system] _1063566='E'
   Exit: (202) [system] 'E'='E'
^  Exit: (201) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (200) [user] read_symbolic(')', (0x563acd73bee0), 'E', 'E')
^  Exit: (199) [user] cont_sexpr(')', (0x563acd73bee0), 'E')
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _1126116)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1127974)
   Exit: (201) [system] peek_char((0x563acd73bee0), ')')
   Call: (201) [system] ')'=(;)
   Fail: (201) [system] ')'=(;)
   Call: (201) [system] ')'=(/)
   Fail: (201) [system] ')'=(/)
^  Call: (201) [user] is_like_space(')')
   Call: (202) [system] char_type(')', 'white')
   Fail: (202) [system] char_type(')', 'white')
   Call: (202) [system] char_type(')', end_of_line)
   Fail: (202) [system] char_type(')', end_of_line)
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] char_type(')', cntrl)
   Fail: (202) [system] char_type(')', cntrl)
^  Fail: (201) [user] is_like_space(')')
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1143984)
   Exit: (200) [system] peek_char((0x563acd73bee0), ')')
   Call: (200) [system] ')'=')'
   Exit: (200) [system] ')'=')'
   Call: (200) [system] get_char((0x563acd73bee0), _1147774)
   Exit: (200) [system] get_char((0x563acd73bee0), ')')
   Call: (200) [system] _1126116=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), [])
   Call: (199) [system] _1026906=['E']
   Exit: (199) [system] ['E']=['E']
^  Exit: (198) [user] read_list(')', (0x563acd73bee0), ['E'])
   Call: (198) [system] _568812=[['OrLink', 'C', 'D'], 'E']
   Exit: (198) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (197) [user] read_list(')', (0x563acd73bee0), [['OrLink', 'C', 'D'], 'E'])
   Call: (197) [system] _295816=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (197) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (196) [user] read_list(')', (0x563acd73bee0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (195) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _1161656)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1163514)
   Exit: (197) [system] peek_char((0x563acd73bee0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
   Call: (197) [system] ')'=(/)
   Fail: (197) [system] ')'=(/)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1179524)
   Exit: (196) [system] peek_char((0x563acd73bee0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x563acd73bee0), _1183314)
   Exit: (196) [system] get_char((0x563acd73bee0), ')')
   Call: (196) [system] _1161656=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), [])
   Call: (195) [system] _259156=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (195) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (194) [system] _130228=[cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (194) [system] [cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]=[cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), [cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (193) [system] _26402=[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (193) [system] [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]=[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (192) [user] read_list(')', (0x563acd73bee0), [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (191) [user] cont_sexpr(')', (0x563acd73bee0), [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (191) [user] read_list(')', (0x563acd73bee0), _1197196)
^  Call: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1199054)
   Exit: (193) [system] peek_char((0x563acd73bee0), '\n')
   Call: (193) [system] '\n'=(;)
   Fail: (193) [system] '\n'=(;)
   Call: (193) [system] '\n'=(/)
   Fail: (193) [system] '\n'=(/)
^  Call: (193) [user] is_like_space('\n')
   Call: (194) [system] char_type('\n', 'white')
   Fail: (194) [system] char_type('\n', 'white')
   Call: (194) [system] char_type('\n', end_of_line)
   Exit: (194) [system] char_type('\n', end_of_line)
^  Exit: (193) [user] is_like_space('\n')
   Call: (193) [system] get_char((0x563acd73bee0), _1210504)
   Exit: (193) [system] get_char((0x563acd73bee0), '\n')
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1213208)
   Exit: (194) [system] peek_char((0x563acd73bee0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
   Call: (194) [system] ' '=(/)
   Fail: (194) [system] ' '=(/)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x563acd73bee0), _1222802)
   Exit: (194) [system] get_char((0x563acd73bee0), ' ')
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1225506)
   Exit: (195) [system] peek_char((0x563acd73bee0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
^  Exit: (192) [user] skip_spaces((0x563acd73bee0))
   Call: (192) [system] peek_char((0x563acd73bee0), _1243364)
   Exit: (192) [system] peek_char((0x563acd73bee0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x563acd73bee0), _1248934)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1250792)
   Exit: (194) [system] peek_char((0x563acd73bee0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
   Call: (194) [system] '('=(/)
   Fail: (194) [system] '('=(/)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] get_char((0x563acd73bee0), _1266802)
   Exit: (193) [system] get_char((0x563acd73bee0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _1248934)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1272372)
   Exit: (195) [system] peek_char((0x563acd73bee0), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
   Call: (195) [system] (:)=(/)
   Fail: (195) [system] (:)=(/)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1288382)
   Exit: (194) [system] peek_char((0x563acd73bee0), :)
   Call: (194) [system] (:)=')'
   Fail: (194) [system] (:)=')'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x563acd73bee0), _1293952)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1295810)
   Exit: (196) [system] peek_char((0x563acd73bee0), :)
   Call: (196) [system] (:)=(;)
   Fail: (196) [system] (:)=(;)
   Call: (196) [system] (:)=(/)
   Fail: (196) [system] (:)=(/)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Fail: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Fail: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Fail: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
   Fail: (197) [system] char_type(:, cntrl)
^  Fail: (196) [user] is_like_space(:)
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] get_char((0x563acd73bee0), _1311820)
   Exit: (195) [system] get_char((0x563acd73bee0), :)
   Call: (195) [system] (:)='('
   Fail: (195) [system] (:)='('
   Call: (195) [system] (:)='['
   Fail: (195) [system] (:)='['
   Call: (195) [system] (:)='{'
   Fail: (195) [system] (:)='{'
   Call: (195) [system] (:)='"'
   Fail: (195) [system] (:)='"'
   Call: (195) [system] (:)=!
   Fail: (195) [system] (:)=!
   Call: (195) [system] (:)='\''
   Fail: (195) [system] (:)='\''
   Call: (195) [system] (:)='`'
   Fail: (195) [system] (:)='`'
   Call: (195) [system] (:)=end_of_file
   Fail: (195) [system] (:)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x563acd73bee0), :, _1293952)
^  Call: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), _1329462)
   Call: (197) [system] peek_char((0x563acd73bee0), _1330396)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _1329462=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (196) [user] classify_and_convert_charseq([:], _1293952)
^  Call: (197) [user] classify_and_convert_charseq_([:], _1339680)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_1340632, _1340634), once(user:catch(read_from_chars([:], _1339680), _1340614, fail)), '$restore_trace'(_1340632, _1340634))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_1340632, _1340634))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1340614, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(:)
   Exit: (198) [system] atomic(:)
^  Exit: (197) [user] classify_and_convert_charseq_([:], :)
   Call: (197) [system] integer(:)
   Fail: (197) [system] integer(:)
   Call: (197) [system] _1293952=(:)
   Exit: (197) [system] (:)=(:)
^  Exit: (196) [user] classify_and_convert_charseq([:], :)
^  Exit: (195) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (194) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _1352760)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1354618)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x563acd73bee0), _1364212)
   Exit: (196) [system] get_char((0x563acd73bee0), ' ')
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1366916)
   Exit: (197) [system] peek_char((0x563acd73bee0), a)
   Call: (197) [system] a=(;)
   Fail: (197) [system] a=(;)
   Call: (197) [system] a=(/)
   Fail: (197) [system] a=(/)
^  Call: (197) [user] is_like_space(a)
   Call: (198) [system] char_type(a, 'white')
   Fail: (198) [system] char_type(a, 'white')
   Call: (198) [system] char_type(a, end_of_line)
   Fail: (198) [system] char_type(a, end_of_line)
   Call: (198) [system] char_type(a, space)
   Fail: (198) [system] char_type(a, space)
   Call: (198) [system] char_type(a, cntrl)
   Fail: (198) [system] char_type(a, cntrl)
^  Fail: (197) [user] is_like_space(a)
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1383850)
   Exit: (195) [system] peek_char((0x563acd73bee0), a)
   Call: (195) [system] a=')'
   Fail: (195) [system] a=')'
   Call: (195) [system] a=end_of_file
   Fail: (195) [system] a=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x563acd73bee0), _1389420)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1391278)
   Exit: (197) [system] peek_char((0x563acd73bee0), a)
   Call: (197) [system] a=(;)
   Fail: (197) [system] a=(;)
   Call: (197) [system] a=(/)
   Fail: (197) [system] a=(/)
^  Call: (197) [user] is_like_space(a)
   Call: (198) [system] char_type(a, 'white')
   Fail: (198) [system] char_type(a, 'white')
   Call: (198) [system] char_type(a, end_of_line)
   Fail: (198) [system] char_type(a, end_of_line)
   Call: (198) [system] char_type(a, space)
   Fail: (198) [system] char_type(a, space)
   Call: (198) [system] char_type(a, cntrl)
   Fail: (198) [system] char_type(a, cntrl)
^  Fail: (197) [user] is_like_space(a)
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] get_char((0x563acd73bee0), _1407288)
   Exit: (196) [system] get_char((0x563acd73bee0), a)
   Call: (196) [system] a='('
   Fail: (196) [system] a='('
   Call: (196) [system] a='['
   Fail: (196) [system] a='['
   Call: (196) [system] a='{'
   Fail: (196) [system] a='{'
   Call: (196) [system] a='"'
   Fail: (196) [system] a='"'
   Call: (196) [system] a=!
   Fail: (196) [system] a=!
   Call: (196) [system] a='\''
   Fail: (196) [system] a='\''
   Call: (196) [system] a='`'
   Fail: (196) [system] a='`'
   Call: (196) [system] a=end_of_file
   Fail: (196) [system] a=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x563acd73bee0), a, _1389420)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _1424930)
   Call: (198) [system] peek_char((0x563acd73bee0), _1425864)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _1424930=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (197) [user] classify_and_convert_charseq([a], _1389420)
^  Call: (198) [user] classify_and_convert_charseq_([a], _1435148)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_1436100, _1436102), once(user:catch(read_from_chars([a], _1435148), _1436082, fail)), '$restore_trace'(_1436100, _1436102))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_1436100, _1436102))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1436082, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(a)
   Exit: (199) [system] atomic(a)
^  Exit: (198) [user] classify_and_convert_charseq_([a], a)
   Call: (198) [system] integer(a)
   Fail: (198) [system] integer(a)
   Call: (198) [system] _1389420=a
   Exit: (198) [system] a=a
^  Exit: (197) [user] classify_and_convert_charseq([a], a)
^  Exit: (196) [user] read_symbolic(')', (0x563acd73bee0), a, a)
^  Exit: (195) [user] cont_sexpr(')', (0x563acd73bee0), a)
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _1448228)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1450086)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x563acd73bee0), _1459680)
   Exit: (197) [system] get_char((0x563acd73bee0), ' ')
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1462384)
   Exit: (198) [system] peek_char((0x563acd73bee0), 'A')
   Call: (198) [system] 'A'=(;)
   Fail: (198) [system] 'A'=(;)
   Call: (198) [system] 'A'=(/)
   Fail: (198) [system] 'A'=(/)
^  Call: (198) [user] is_like_space('A')
   Call: (199) [system] char_type('A', 'white')
   Fail: (199) [system] char_type('A', 'white')
   Call: (199) [system] char_type('A', end_of_line)
   Fail: (199) [system] char_type('A', end_of_line)
   Call: (199) [system] char_type('A', space)
   Fail: (199) [system] char_type('A', space)
   Call: (199) [system] char_type('A', cntrl)
   Fail: (199) [system] char_type('A', cntrl)
^  Fail: (198) [user] is_like_space('A')
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1479318)
   Exit: (196) [system] peek_char((0x563acd73bee0), 'A')
   Call: (196) [system] 'A'=')'
   Fail: (196) [system] 'A'=')'
   Call: (196) [system] 'A'=end_of_file
   Fail: (196) [system] 'A'=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x563acd73bee0), _1484888)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1486746)
   Exit: (198) [system] peek_char((0x563acd73bee0), 'A')
   Call: (198) [system] 'A'=(;)
   Fail: (198) [system] 'A'=(;)
   Call: (198) [system] 'A'=(/)
   Fail: (198) [system] 'A'=(/)
^  Call: (198) [user] is_like_space('A')
   Call: (199) [system] char_type('A', 'white')
   Fail: (199) [system] char_type('A', 'white')
   Call: (199) [system] char_type('A', end_of_line)
   Fail: (199) [system] char_type('A', end_of_line)
   Call: (199) [system] char_type('A', space)
   Fail: (199) [system] char_type('A', space)
   Call: (199) [system] char_type('A', cntrl)
   Fail: (199) [system] char_type('A', cntrl)
^  Fail: (198) [user] is_like_space('A')
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] get_char((0x563acd73bee0), _1502756)
   Exit: (197) [system] get_char((0x563acd73bee0), 'A')
   Call: (197) [system] 'A'='('
   Fail: (197) [system] 'A'='('
   Call: (197) [system] 'A'='['
   Fail: (197) [system] 'A'='['
   Call: (197) [system] 'A'='{'
   Fail: (197) [system] 'A'='{'
   Call: (197) [system] 'A'='"'
   Fail: (197) [system] 'A'='"'
   Call: (197) [system] 'A'=!
   Fail: (197) [system] 'A'=!
   Call: (197) [system] 'A'='\''
   Fail: (197) [system] 'A'='\''
   Call: (197) [system] 'A'='`'
   Fail: (197) [system] 'A'='`'
   Call: (197) [system] 'A'=end_of_file
   Fail: (197) [system] 'A'=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x563acd73bee0), 'A', _1484888)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _1520398)
   Call: (199) [system] peek_char((0x563acd73bee0), _1521332)
   Exit: (199) [system] peek_char((0x563acd73bee0), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_1526052, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _1520398=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (198) [user] classify_and_convert_charseq(['A'], _1484888)
^  Call: (199) [user] classify_and_convert_charseq_(['A'], _1532488)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_1533440, _1533442), once(user:catch(read_from_chars(['A'], _1532488), _1533422, fail)), '$restore_trace'(_1533440, _1533442))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_1533440, _1533442))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1532488), _1533422, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(_1532488)
   Fail: (200) [system] atomic(_1532488)
   Call: (200) [system] atom_chars(_1532488, ['A'])
   Exit: (200) [system] atom_chars('A', ['A'])
^  Exit: (199) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (199) [system] integer('A')
   Fail: (199) [system] integer('A')
   Call: (199) [system] _1484888='A'
   Exit: (199) [system] 'A'='A'
^  Exit: (198) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (197) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (196) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (196) [user] read_list(')', (0x563acd73bee0), _1547438)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1549296)
   Exit: (198) [system] peek_char((0x563acd73bee0), ')')
   Call: (198) [system] ')'=(;)
   Fail: (198) [system] ')'=(;)
   Call: (198) [system] ')'=(/)
   Fail: (198) [system] ')'=(/)
^  Call: (198) [user] is_like_space(')')
   Call: (199) [system] char_type(')', 'white')
   Fail: (199) [system] char_type(')', 'white')
   Call: (199) [system] char_type(')', end_of_line)
   Fail: (199) [system] char_type(')', end_of_line)
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] char_type(')', cntrl)
   Fail: (199) [system] char_type(')', cntrl)
^  Fail: (198) [user] is_like_space(')')
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1565306)
   Exit: (197) [system] peek_char((0x563acd73bee0), ')')
   Call: (197) [system] ')'=')'
   Exit: (197) [system] ')'=')'
   Call: (197) [system] get_char((0x563acd73bee0), _1569096)
   Exit: (197) [system] get_char((0x563acd73bee0), ')')
   Call: (197) [system] _1547438=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_list(')', (0x563acd73bee0), [])
   Call: (196) [system] _1448228=['A']
   Exit: (196) [system] ['A']=['A']
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), ['A'])
   Call: (195) [system] _1352760=[a, 'A']
   Exit: (195) [system] [a, 'A']=[a, 'A']
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), [a, 'A'])
   Call: (194) [system] _1248934=[:, a, 'A']
   Exit: (194) [system] [:, a, 'A']=[:, a, 'A']
^  Exit: (193) [user] read_list(')', (0x563acd73bee0), [:, a, 'A'])
^  Exit: (192) [user] cont_sexpr(')', (0x563acd73bee0), [:, a, 'A'])
^  Call: (192) [user] read_list(')', (0x563acd73bee0), _1582978)
^  Call: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _1584836)
   Exit: (194) [system] peek_char((0x563acd73bee0), '\n')
   Call: (194) [system] '\n'=(;)
   Fail: (194) [system] '\n'=(;)
   Call: (194) [system] '\n'=(/)
   Fail: (194) [system] '\n'=(/)
^  Call: (194) [user] is_like_space('\n')
   Call: (195) [system] char_type('\n', 'white')
   Fail: (195) [system] char_type('\n', 'white')
   Call: (195) [system] char_type('\n', end_of_line)
   Exit: (195) [system] char_type('\n', end_of_line)
^  Exit: (194) [user] is_like_space('\n')
   Call: (194) [system] get_char((0x563acd73bee0), _1596286)
   Exit: (194) [system] get_char((0x563acd73bee0), '\n')
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1598990)
   Exit: (195) [system] peek_char((0x563acd73bee0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
   Call: (195) [system] ' '=(/)
   Fail: (195) [system] ' '=(/)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x563acd73bee0), _1608584)
   Exit: (195) [system] get_char((0x563acd73bee0), ' ')
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1611288)
   Exit: (196) [system] peek_char((0x563acd73bee0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
^  Exit: (193) [user] skip_spaces((0x563acd73bee0))
   Call: (193) [system] peek_char((0x563acd73bee0), _1629146)
   Exit: (193) [system] peek_char((0x563acd73bee0), '(')
   Call: (193) [system] '('=')'
   Fail: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
   Fail: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x563acd73bee0), _1634716)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1636574)
   Exit: (195) [system] peek_char((0x563acd73bee0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
   Call: (195) [system] '('=(/)
   Fail: (195) [system] '('=(/)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] get_char((0x563acd73bee0), _1652584)
   Exit: (194) [system] get_char((0x563acd73bee0), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _1634716)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1658154)
   Exit: (196) [system] peek_char((0x563acd73bee0), :)
   Call: (196) [system] (:)=(;)
   Fail: (196) [system] (:)=(;)
   Call: (196) [system] (:)=(/)
   Fail: (196) [system] (:)=(/)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Fail: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Fail: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Fail: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
   Fail: (197) [system] char_type(:, cntrl)
^  Fail: (196) [user] is_like_space(:)
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _1674164)
   Exit: (195) [system] peek_char((0x563acd73bee0), :)
   Call: (195) [system] (:)=')'
   Fail: (195) [system] (:)=')'
   Call: (195) [system] (:)=end_of_file
   Fail: (195) [system] (:)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x563acd73bee0), _1679734)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1681592)
   Exit: (197) [system] peek_char((0x563acd73bee0), :)
   Call: (197) [system] (:)=(;)
   Fail: (197) [system] (:)=(;)
   Call: (197) [system] (:)=(/)
   Fail: (197) [system] (:)=(/)
^  Call: (197) [user] is_like_space(:)
   Call: (198) [system] char_type(:, 'white')
   Fail: (198) [system] char_type(:, 'white')
   Call: (198) [system] char_type(:, end_of_line)
   Fail: (198) [system] char_type(:, end_of_line)
   Call: (198) [system] char_type(:, space)
   Fail: (198) [system] char_type(:, space)
   Call: (198) [system] char_type(:, cntrl)
   Fail: (198) [system] char_type(:, cntrl)
^  Fail: (197) [user] is_like_space(:)
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] get_char((0x563acd73bee0), _1697602)
   Exit: (196) [system] get_char((0x563acd73bee0), :)
   Call: (196) [system] (:)='('
   Fail: (196) [system] (:)='('
   Call: (196) [system] (:)='['
   Fail: (196) [system] (:)='['
   Call: (196) [system] (:)='{'
   Fail: (196) [system] (:)='{'
   Call: (196) [system] (:)='"'
   Fail: (196) [system] (:)='"'
   Call: (196) [system] (:)=!
   Fail: (196) [system] (:)=!
   Call: (196) [system] (:)='\''
   Fail: (196) [system] (:)='\''
   Call: (196) [system] (:)='`'
   Fail: (196) [system] (:)='`'
   Call: (196) [system] (:)=end_of_file
   Fail: (196) [system] (:)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x563acd73bee0), :, _1679734)
^  Call: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), _1715244)
   Call: (198) [system] peek_char((0x563acd73bee0), _1716178)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _1715244=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (197) [user] classify_and_convert_charseq([:], _1679734)
^  Call: (198) [user] classify_and_convert_charseq_([:], _1725462)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_1726414, _1726416), once(user:catch(read_from_chars([:], _1725462), _1726396, fail)), '$restore_trace'(_1726414, _1726416))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_1726414, _1726416))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1726396, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(:)
   Exit: (199) [system] atomic(:)
^  Exit: (198) [user] classify_and_convert_charseq_([:], :)
   Call: (198) [system] integer(:)
   Fail: (198) [system] integer(:)
   Call: (198) [system] _1679734=(:)
   Exit: (198) [system] (:)=(:)
^  Exit: (197) [user] classify_and_convert_charseq([:], :)
^  Exit: (196) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (195) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _1738542)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1740400)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x563acd73bee0), _1749994)
   Exit: (197) [system] get_char((0x563acd73bee0), ' ')
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1752698)
   Exit: (198) [system] peek_char((0x563acd73bee0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1769632)
   Exit: (196) [system] peek_char((0x563acd73bee0), '(')
   Call: (196) [system] '('=')'
   Fail: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
   Fail: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x563acd73bee0), _1775202)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1777060)
   Exit: (198) [system] peek_char((0x563acd73bee0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] get_char((0x563acd73bee0), _1793070)
   Exit: (197) [system] get_char((0x563acd73bee0), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _1775202)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1798640)
   Exit: (199) [system] peek_char((0x563acd73bee0), 'D')
   Call: (199) [system] 'D'=(;)
   Fail: (199) [system] 'D'=(;)
   Call: (199) [system] 'D'=(/)
   Fail: (199) [system] 'D'=(/)
^  Call: (199) [user] is_like_space('D')
   Call: (200) [system] char_type('D', 'white')
   Fail: (200) [system] char_type('D', 'white')
   Call: (200) [system] char_type('D', end_of_line)
   Fail: (200) [system] char_type('D', end_of_line)
   Call: (200) [system] char_type('D', space)
   Fail: (200) [system] char_type('D', space)
   Call: (200) [system] char_type('D', cntrl)
   Fail: (200) [system] char_type('D', cntrl)
^  Fail: (199) [user] is_like_space('D')
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1814650)
   Exit: (198) [system] peek_char((0x563acd73bee0), 'D')
   Call: (198) [system] 'D'=')'
   Fail: (198) [system] 'D'=')'
   Call: (198) [system] 'D'=end_of_file
   Fail: (198) [system] 'D'=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x563acd73bee0), _1820220)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1822078)
   Exit: (200) [system] peek_char((0x563acd73bee0), 'D')
   Call: (200) [system] 'D'=(;)
   Fail: (200) [system] 'D'=(;)
   Call: (200) [system] 'D'=(/)
   Fail: (200) [system] 'D'=(/)
^  Call: (200) [user] is_like_space('D')
   Call: (201) [system] char_type('D', 'white')
   Fail: (201) [system] char_type('D', 'white')
   Call: (201) [system] char_type('D', end_of_line)
   Fail: (201) [system] char_type('D', end_of_line)
   Call: (201) [system] char_type('D', space)
   Fail: (201) [system] char_type('D', space)
   Call: (201) [system] char_type('D', cntrl)
   Fail: (201) [system] char_type('D', cntrl)
^  Fail: (200) [user] is_like_space('D')
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] get_char((0x563acd73bee0), _1838088)
   Exit: (199) [system] get_char((0x563acd73bee0), 'D')
   Call: (199) [system] 'D'='('
   Fail: (199) [system] 'D'='('
   Call: (199) [system] 'D'='['
   Fail: (199) [system] 'D'='['
   Call: (199) [system] 'D'='{'
   Fail: (199) [system] 'D'='{'
   Call: (199) [system] 'D'='"'
   Fail: (199) [system] 'D'='"'
   Call: (199) [system] 'D'=!
   Fail: (199) [system] 'D'=!
   Call: (199) [system] 'D'='\''
   Fail: (199) [system] 'D'='\''
   Call: (199) [system] 'D'='`'
   Fail: (199) [system] 'D'='`'
   Call: (199) [system] 'D'=end_of_file
   Fail: (199) [system] 'D'=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x563acd73bee0), 'D', _1820220)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _1855730)
   Call: (201) [system] peek_char((0x563acd73bee0), _1856664)
   Exit: (201) [system] peek_char((0x563acd73bee0), i)
^  Call: (201) [user] is_delimiter(i)
   Call: (202) [system] char_type(i, space)
   Fail: (202) [system] char_type(i, space)
   Call: (202) [system] arg(_1861384, v('(', ')', end_of_file), i)
   Fail: (202) [system] arg(_1862316, v('(', ')', end_of_file), i)
^  Fail: (201) [user] is_delimiter(i)
   Call: (201) [system] ')'==i
   Fail: (201) [system] ')'==i
   Call: (201) [system] get_char((0x563acd73bee0), i)
   Exit: (201) [system] get_char((0x563acd73bee0), i)
   Call: (201) [system] i=(\)
   Fail: (201) [system] i=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _1869666)
   Call: (202) [system] peek_char((0x563acd73bee0), _1870600)
   Exit: (202) [system] peek_char((0x563acd73bee0), s)
^  Call: (202) [user] is_delimiter(s)
   Call: (203) [system] char_type(s, space)
   Fail: (203) [system] char_type(s, space)
   Call: (203) [system] arg(_1875320, v('(', ')', end_of_file), s)
   Fail: (203) [system] arg(_1876252, v('(', ')', end_of_file), s)
^  Fail: (202) [user] is_delimiter(s)
   Call: (202) [system] ')'==s
   Fail: (202) [system] ')'==s
   Call: (202) [system] get_char((0x563acd73bee0), s)
   Exit: (202) [system] get_char((0x563acd73bee0), s)
   Call: (202) [system] s=(\)
   Fail: (202) [system] s=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1883602)
   Call: (203) [system] peek_char((0x563acd73bee0), _1884536)
   Exit: (203) [system] peek_char((0x563acd73bee0), j)
^  Call: (203) [user] is_delimiter(j)
   Call: (204) [system] char_type(j, space)
   Fail: (204) [system] char_type(j, space)
   Call: (204) [system] arg(_1889256, v('(', ')', end_of_file), j)
   Fail: (204) [system] arg(_1890188, v('(', ')', end_of_file), j)
^  Fail: (203) [user] is_delimiter(j)
   Call: (203) [system] ')'==j
   Fail: (203) [system] ')'==j
   Call: (203) [system] get_char((0x563acd73bee0), j)
   Exit: (203) [system] get_char((0x563acd73bee0), j)
   Call: (203) [system] j=(\)
   Fail: (203) [system] j=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1897538)
   Call: (204) [system] peek_char((0x563acd73bee0), _1898472)
   Exit: (204) [system] peek_char((0x563acd73bee0), u)
^  Call: (204) [user] is_delimiter(u)
   Call: (205) [system] char_type(u, space)
   Fail: (205) [system] char_type(u, space)
   Call: (205) [system] arg(_1903192, v('(', ')', end_of_file), u)
   Fail: (205) [system] arg(_1904124, v('(', ')', end_of_file), u)
^  Fail: (204) [user] is_delimiter(u)
   Call: (204) [system] ')'==u
   Fail: (204) [system] ')'==u
   Call: (204) [system] get_char((0x563acd73bee0), u)
   Exit: (204) [system] get_char((0x563acd73bee0), u)
   Call: (204) [system] u=(\)
   Fail: (204) [system] u=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1911474)
   Call: (205) [system] peek_char((0x563acd73bee0), _1912408)
   Exit: (205) [system] peek_char((0x563acd73bee0), n)
^  Call: (205) [user] is_delimiter(n)
   Call: (206) [system] char_type(n, space)
   Fail: (206) [system] char_type(n, space)
   Call: (206) [system] arg(_1917128, v('(', ')', end_of_file), n)
   Fail: (206) [system] arg(_1918060, v('(', ')', end_of_file), n)
^  Fail: (205) [user] is_delimiter(n)
   Call: (205) [system] ')'==n
   Fail: (205) [system] ')'==n
   Call: (205) [system] get_char((0x563acd73bee0), n)
   Exit: (205) [system] get_char((0x563acd73bee0), n)
   Call: (205) [system] n=(\)
   Fail: (205) [system] n=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1925410)
   Call: (206) [system] peek_char((0x563acd73bee0), _1926344)
   Exit: (206) [system] peek_char((0x563acd73bee0), c)
^  Call: (206) [user] is_delimiter(c)
   Call: (207) [system] char_type(c, space)
   Fail: (207) [system] char_type(c, space)
   Call: (207) [system] arg(_1931064, v('(', ')', end_of_file), c)
   Fail: (207) [system] arg(_1931996, v('(', ')', end_of_file), c)
^  Fail: (206) [user] is_delimiter(c)
   Call: (206) [system] ')'==c
   Fail: (206) [system] ')'==c
   Call: (206) [system] get_char((0x563acd73bee0), c)
   Exit: (206) [system] get_char((0x563acd73bee0), c)
   Call: (206) [system] c=(\)
   Fail: (206) [system] c=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1939346)
   Call: (207) [system] peek_char((0x563acd73bee0), _1940280)
   Exit: (207) [system] peek_char((0x563acd73bee0), t)
^  Call: (207) [user] is_delimiter(t)
   Call: (208) [system] char_type(t, space)
   Fail: (208) [system] char_type(t, space)
   Call: (208) [system] arg(_1945000, v('(', ')', end_of_file), t)
   Fail: (208) [system] arg(_1945932, v('(', ')', end_of_file), t)
^  Fail: (207) [user] is_delimiter(t)
   Call: (207) [system] ')'==t
   Fail: (207) [system] ')'==t
   Call: (207) [system] get_char((0x563acd73bee0), t)
   Exit: (207) [system] get_char((0x563acd73bee0), t)
   Call: (207) [system] t=(\)
   Fail: (207) [system] t=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1953282)
   Call: (208) [system] peek_char((0x563acd73bee0), _1954216)
   Exit: (208) [system] peek_char((0x563acd73bee0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_1958936, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_1959868, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x563acd73bee0), i)
   Exit: (208) [system] get_char((0x563acd73bee0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1967218)
   Call: (209) [system] peek_char((0x563acd73bee0), _1968152)
   Exit: (209) [system] peek_char((0x563acd73bee0), o)
^  Call: (209) [user] is_delimiter(o)
   Call: (210) [system] char_type(o, space)
   Fail: (210) [system] char_type(o, space)
   Call: (210) [system] arg(_1972872, v('(', ')', end_of_file), o)
   Fail: (210) [system] arg(_1973804, v('(', ')', end_of_file), o)
^  Fail: (209) [user] is_delimiter(o)
   Call: (209) [system] ')'==o
   Fail: (209) [system] ')'==o
   Call: (209) [system] get_char((0x563acd73bee0), o)
   Exit: (209) [system] get_char((0x563acd73bee0), o)
   Call: (209) [system] o=(\)
   Fail: (209) [system] o=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1981154)
   Call: (210) [system] peek_char((0x563acd73bee0), _1982088)
   Exit: (210) [system] peek_char((0x563acd73bee0), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Fail: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_1986808, v('(', ')', end_of_file), n)
   Fail: (211) [system] arg(_1987740, v('(', ')', end_of_file), n)
^  Fail: (210) [user] is_delimiter(n)
   Call: (210) [system] ')'==n
   Fail: (210) [system] ')'==n
   Call: (210) [system] get_char((0x563acd73bee0), n)
   Exit: (210) [system] get_char((0x563acd73bee0), n)
   Call: (210) [system] n=(\)
   Fail: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1995090)
   Call: (211) [system] peek_char((0x563acd73bee0), _1996024)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'I')
^  Call: (211) [user] is_delimiter('I')
   Call: (212) [system] char_type('I', space)
   Fail: (212) [system] char_type('I', space)
   Call: (212) [system] arg(_2000744, v('(', ')', end_of_file), 'I')
   Fail: (212) [system] arg(_2001676, v('(', ')', end_of_file), 'I')
^  Fail: (211) [user] is_delimiter('I')
   Call: (211) [system] ')'=='I'
   Fail: (211) [system] ')'=='I'
   Call: (211) [system] get_char((0x563acd73bee0), 'I')
   Exit: (211) [system] get_char((0x563acd73bee0), 'I')
   Call: (211) [system] 'I'=(\)
   Fail: (211) [system] 'I'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _2009026)
   Call: (212) [system] peek_char((0x563acd73bee0), _2009960)
   Exit: (212) [system] peek_char((0x563acd73bee0), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Fail: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_2014680, v('(', ')', end_of_file), n)
   Fail: (213) [system] arg(_2015612, v('(', ')', end_of_file), n)
^  Fail: (212) [user] is_delimiter(n)
   Call: (212) [system] ')'==n
   Fail: (212) [system] ')'==n
   Call: (212) [system] get_char((0x563acd73bee0), n)
   Exit: (212) [system] get_char((0x563acd73bee0), n)
   Call: (212) [system] n=(\)
   Fail: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _2022962)
   Call: (213) [system] peek_char((0x563acd73bee0), _2023896)
   Exit: (213) [system] peek_char((0x563acd73bee0), t)
^  Call: (213) [user] is_delimiter(t)
   Call: (214) [system] char_type(t, space)
   Fail: (214) [system] char_type(t, space)
   Call: (214) [system] arg(_2028616, v('(', ')', end_of_file), t)
   Fail: (214) [system] arg(_2029548, v('(', ')', end_of_file), t)
^  Fail: (213) [user] is_delimiter(t)
   Call: (213) [system] ')'==t
   Fail: (213) [system] ')'==t
   Call: (213) [system] get_char((0x563acd73bee0), t)
   Exit: (213) [system] get_char((0x563acd73bee0), t)
   Call: (213) [system] t=(\)
   Fail: (213) [system] t=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _2036898)
   Call: (214) [system] peek_char((0x563acd73bee0), _2037832)
   Exit: (214) [system] peek_char((0x563acd73bee0), r)
^  Call: (214) [user] is_delimiter(r)
   Call: (215) [system] char_type(r, space)
   Fail: (215) [system] char_type(r, space)
   Call: (215) [system] arg(_2042552, v('(', ')', end_of_file), r)
   Fail: (215) [system] arg(_2043484, v('(', ')', end_of_file), r)
^  Fail: (214) [user] is_delimiter(r)
   Call: (214) [system] ')'==r
   Fail: (214) [system] ')'==r
   Call: (214) [system] get_char((0x563acd73bee0), r)
   Exit: (214) [system] get_char((0x563acd73bee0), r)
   Call: (214) [system] r=(\)
   Fail: (214) [system] r=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _2050834)
   Call: (215) [system] peek_char((0x563acd73bee0), _2051768)
   Exit: (215) [system] peek_char((0x563acd73bee0), o)
^  Call: (215) [user] is_delimiter(o)
   Call: (216) [system] char_type(o, space)
   Fail: (216) [system] char_type(o, space)
   Call: (216) [system] arg(_2056488, v('(', ')', end_of_file), o)
   Fail: (216) [system] arg(_2057420, v('(', ')', end_of_file), o)
^  Fail: (215) [user] is_delimiter(o)
   Call: (215) [system] ')'==o
   Fail: (215) [system] ')'==o
   Call: (215) [system] get_char((0x563acd73bee0), o)
   Exit: (215) [system] get_char((0x563acd73bee0), o)
   Call: (215) [system] o=(\)
   Fail: (215) [system] o=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _2064770)
   Call: (216) [system] peek_char((0x563acd73bee0), _2065704)
   Exit: (216) [system] peek_char((0x563acd73bee0), d)
^  Call: (216) [user] is_delimiter(d)
   Call: (217) [system] char_type(d, space)
   Fail: (217) [system] char_type(d, space)
   Call: (217) [system] arg(_2070424, v('(', ')', end_of_file), d)
   Fail: (217) [system] arg(_2071356, v('(', ')', end_of_file), d)
^  Fail: (216) [user] is_delimiter(d)
   Call: (216) [system] ')'==d
   Fail: (216) [system] ')'==d
   Call: (216) [system] get_char((0x563acd73bee0), d)
   Exit: (216) [system] get_char((0x563acd73bee0), d)
   Call: (216) [system] d=(\)
   Fail: (216) [system] d=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _2078706)
   Call: (217) [system] peek_char((0x563acd73bee0), _2079640)
   Exit: (217) [system] peek_char((0x563acd73bee0), u)
^  Call: (217) [user] is_delimiter(u)
   Call: (218) [system] char_type(u, space)
   Fail: (218) [system] char_type(u, space)
   Call: (218) [system] arg(_2084360, v('(', ')', end_of_file), u)
   Fail: (218) [system] arg(_2085292, v('(', ')', end_of_file), u)
^  Fail: (217) [user] is_delimiter(u)
   Call: (217) [system] ')'==u
   Fail: (217) [system] ')'==u
   Call: (217) [system] get_char((0x563acd73bee0), u)
   Exit: (217) [system] get_char((0x563acd73bee0), u)
   Call: (217) [system] u=(\)
   Fail: (217) [system] u=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _2092642)
   Call: (218) [system] peek_char((0x563acd73bee0), _2093576)
   Exit: (218) [system] peek_char((0x563acd73bee0), c)
^  Call: (218) [user] is_delimiter(c)
   Call: (219) [system] char_type(c, space)
   Fail: (219) [system] char_type(c, space)
   Call: (219) [system] arg(_5264, v('(', ')', end_of_file), c)
   Fail: (219) [system] arg(_6196, v('(', ')', end_of_file), c)
^  Fail: (218) [user] is_delimiter(c)
   Call: (218) [system] ')'==c
   Fail: (218) [system] ')'==c
   Call: (218) [system] get_char((0x563acd73bee0), c)
   Exit: (218) [system] get_char((0x563acd73bee0), c)
   Call: (218) [system] c=(\)
   Fail: (218) [system] c=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _13546)
   Call: (219) [system] peek_char((0x563acd73bee0), _14480)
   Exit: (219) [system] peek_char((0x563acd73bee0), t)
^  Call: (219) [user] is_delimiter(t)
   Call: (220) [system] char_type(t, space)
   Fail: (220) [system] char_type(t, space)
   Call: (220) [system] arg(_19200, v('(', ')', end_of_file), t)
   Fail: (220) [system] arg(_20132, v('(', ')', end_of_file), t)
^  Fail: (219) [user] is_delimiter(t)
   Call: (219) [system] ')'==t
   Fail: (219) [system] ')'==t
   Call: (219) [system] get_char((0x563acd73bee0), t)
   Exit: (219) [system] get_char((0x563acd73bee0), t)
   Call: (219) [system] t=(\)
   Fail: (219) [system] t=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _27482)
   Call: (220) [system] peek_char((0x563acd73bee0), _28416)
   Exit: (220) [system] peek_char((0x563acd73bee0), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_33136, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_34068, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x563acd73bee0), i)
   Exit: (220) [system] get_char((0x563acd73bee0), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _41418)
   Call: (221) [system] peek_char((0x563acd73bee0), _42352)
   Exit: (221) [system] peek_char((0x563acd73bee0), o)
^  Call: (221) [user] is_delimiter(o)
   Call: (222) [system] char_type(o, space)
   Fail: (222) [system] char_type(o, space)
   Call: (222) [system] arg(_47072, v('(', ')', end_of_file), o)
   Fail: (222) [system] arg(_48004, v('(', ')', end_of_file), o)
^  Fail: (221) [user] is_delimiter(o)
   Call: (221) [system] ')'==o
   Fail: (221) [system] ')'==o
   Call: (221) [system] get_char((0x563acd73bee0), o)
   Exit: (221) [system] get_char((0x563acd73bee0), o)
   Call: (221) [system] o=(\)
   Fail: (221) [system] o=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _55354)
   Call: (222) [system] peek_char((0x563acd73bee0), _56288)
   Exit: (222) [system] peek_char((0x563acd73bee0), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_61008, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_61940, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x563acd73bee0), n)
   Exit: (222) [system] get_char((0x563acd73bee0), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _69290)
   Call: (223) [system] peek_char((0x563acd73bee0), _70224)
   Exit: (223) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _69290=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (222) [system] _55354=[n]
   Exit: (222) [system] [n]=[n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (221) [system] _41418=[o, n]
   Exit: (221) [system] [o, n]=[o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (220) [system] _27482=[i, o, n]
   Exit: (220) [system] [i, o, n]=[i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (219) [system] _13546=[t, i, o, n]
   Exit: (219) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (218) [system] _3722=[c, t, i, o, n]
   Exit: (218) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n])
   Call: (217) [system] _3718=[u, c, t, i, o, n]
   Exit: (217) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, i, o, n])
   Call: (216) [system] _3714=[d, u, c, t, i, o, n]
   Exit: (216) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, u, c, t, i, o, n])
   Call: (215) [system] _3710=[o, d, u, c, t, i, o, n]
   Exit: (215) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, d, u, c, t, i, o, n])
   Call: (214) [system] _3706=[r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _3702=[t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _3698=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _3694=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _3690=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _3686=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _3682=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (207) [system] _3678=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (207) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (206) [system] _3674=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (206) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (205) [system] _3670=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (205) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (204) [system] _3666=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (204) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (203) [system] _3662=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (203) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (202) [system] _3658=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (202) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (201) [system] _3654=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (201) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (200) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _3650)
^  Call: (201) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _140976)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_141928, _141930), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _140976), _141910, fail)), '$restore_trace'(_141928, _141930))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_141928, _141930))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _140976), _141910, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(_140976)
   Fail: (202) [system] atomic(_140976)
   Call: (202) [system] atom_chars(_140976, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (202) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (201) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (201) [system] integer('DisjunctionIntroduction')
   Fail: (201) [system] integer('DisjunctionIntroduction')
   Call: (201) [system] _3650='DisjunctionIntroduction'
   Exit: (201) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (200) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (199) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'DisjunctionIntroduction')
^  Exit: (198) [user] cont_sexpr(')', (0x563acd73bee0), 'DisjunctionIntroduction')
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _155926)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _157784)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x563acd73bee0), _167378)
   Exit: (200) [system] get_char((0x563acd73bee0), ' ')
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _170082)
   Exit: (201) [system] peek_char((0x563acd73bee0), a)
   Call: (201) [system] a=(;)
   Fail: (201) [system] a=(;)
   Call: (201) [system] a=(/)
   Fail: (201) [system] a=(/)
^  Call: (201) [user] is_like_space(a)
   Call: (202) [system] char_type(a, 'white')
   Fail: (202) [system] char_type(a, 'white')
   Call: (202) [system] char_type(a, end_of_line)
   Fail: (202) [system] char_type(a, end_of_line)
   Call: (202) [system] char_type(a, space)
   Fail: (202) [system] char_type(a, space)
   Call: (202) [system] char_type(a, cntrl)
   Fail: (202) [system] char_type(a, cntrl)
^  Fail: (201) [user] is_like_space(a)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _187016)
   Exit: (199) [system] peek_char((0x563acd73bee0), a)
   Call: (199) [system] a=')'
   Fail: (199) [system] a=')'
   Call: (199) [system] a=end_of_file
   Fail: (199) [system] a=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x563acd73bee0), _192586)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _194444)
   Exit: (201) [system] peek_char((0x563acd73bee0), a)
   Call: (201) [system] a=(;)
   Fail: (201) [system] a=(;)
   Call: (201) [system] a=(/)
   Fail: (201) [system] a=(/)
^  Call: (201) [user] is_like_space(a)
   Call: (202) [system] char_type(a, 'white')
   Fail: (202) [system] char_type(a, 'white')
   Call: (202) [system] char_type(a, end_of_line)
   Fail: (202) [system] char_type(a, end_of_line)
   Call: (202) [system] char_type(a, space)
   Fail: (202) [system] char_type(a, space)
   Call: (202) [system] char_type(a, cntrl)
   Fail: (202) [system] char_type(a, cntrl)
^  Fail: (201) [user] is_like_space(a)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] get_char((0x563acd73bee0), _210454)
   Exit: (200) [system] get_char((0x563acd73bee0), a)
   Call: (200) [system] a='('
   Fail: (200) [system] a='('
   Call: (200) [system] a='['
   Fail: (200) [system] a='['
   Call: (200) [system] a='{'
   Fail: (200) [system] a='{'
   Call: (200) [system] a='"'
   Fail: (200) [system] a='"'
   Call: (200) [system] a=!
   Fail: (200) [system] a=!
   Call: (200) [system] a='\''
   Fail: (200) [system] a='\''
   Call: (200) [system] a='`'
   Fail: (200) [system] a='`'
   Call: (200) [system] a=end_of_file
   Fail: (200) [system] a=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x563acd73bee0), a, _192586)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _228096)
   Call: (202) [system] peek_char((0x563acd73bee0), _229030)
   Exit: (202) [system] peek_char((0x563acd73bee0), b)
^  Call: (202) [user] is_delimiter(b)
   Call: (203) [system] char_type(b, space)
   Fail: (203) [system] char_type(b, space)
   Call: (203) [system] arg(_233750, v('(', ')', end_of_file), b)
   Fail: (203) [system] arg(_234682, v('(', ')', end_of_file), b)
^  Fail: (202) [user] is_delimiter(b)
   Call: (202) [system] ')'==b
   Fail: (202) [system] ')'==b
   Call: (202) [system] get_char((0x563acd73bee0), b)
   Exit: (202) [system] get_char((0x563acd73bee0), b)
   Call: (202) [system] b=(\)
   Fail: (202) [system] b=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _242032)
   Call: (203) [system] peek_char((0x563acd73bee0), _242966)
   Exit: (203) [system] peek_char((0x563acd73bee0), c)
^  Call: (203) [user] is_delimiter(c)
   Call: (204) [system] char_type(c, space)
   Fail: (204) [system] char_type(c, space)
   Call: (204) [system] arg(_247686, v('(', ')', end_of_file), c)
   Fail: (204) [system] arg(_248618, v('(', ')', end_of_file), c)
^  Fail: (203) [user] is_delimiter(c)
   Call: (203) [system] ')'==c
   Fail: (203) [system] ')'==c
   Call: (203) [system] get_char((0x563acd73bee0), c)
   Exit: (203) [system] get_char((0x563acd73bee0), c)
   Call: (203) [system] c=(\)
   Fail: (203) [system] c=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _255968)
   Call: (204) [system] peek_char((0x563acd73bee0), _256902)
   Exit: (204) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _255968=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (203) [system] _242032=[c]
   Exit: (203) [system] [c]=[c]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [c])
   Call: (202) [system] _228096=[b, c]
   Exit: (202) [system] [b, c]=[b, c]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [b, c])
^  Call: (201) [user] classify_and_convert_charseq([a, b, c], _192586)
^  Call: (202) [user] classify_and_convert_charseq_([a, b, c], _271774)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_272726, _272728), once(user:catch(read_from_chars([a, b, c], _271774), _272708, fail)), '$restore_trace'(_272726, _272728))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_272726, _272728))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _272708, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(abc)
   Exit: (203) [system] atomic(abc)
^  Exit: (202) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (202) [system] integer(abc)
   Fail: (202) [system] integer(abc)
   Call: (202) [system] _192586=abc
   Exit: (202) [system] abc=abc
^  Exit: (201) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (200) [user] read_symbolic(')', (0x563acd73bee0), a, abc)
^  Exit: (199) [user] cont_sexpr(')', (0x563acd73bee0), abc)
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _284854)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _286712)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _296306)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _299010)
   Exit: (202) [system] peek_char((0x563acd73bee0), a)
   Call: (202) [system] a=(;)
   Fail: (202) [system] a=(;)
   Call: (202) [system] a=(/)
   Fail: (202) [system] a=(/)
^  Call: (202) [user] is_like_space(a)
   Call: (203) [system] char_type(a, 'white')
   Fail: (203) [system] char_type(a, 'white')
   Call: (203) [system] char_type(a, end_of_line)
   Fail: (203) [system] char_type(a, end_of_line)
   Call: (203) [system] char_type(a, space)
   Fail: (203) [system] char_type(a, space)
   Call: (203) [system] char_type(a, cntrl)
   Fail: (203) [system] char_type(a, cntrl)
^  Fail: (202) [user] is_like_space(a)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _315944)
   Exit: (200) [system] peek_char((0x563acd73bee0), a)
   Call: (200) [system] a=')'
   Fail: (200) [system] a=')'
   Call: (200) [system] a=end_of_file
   Fail: (200) [system] a=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x563acd73bee0), _321514)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _323372)
   Exit: (202) [system] peek_char((0x563acd73bee0), a)
   Call: (202) [system] a=(;)
   Fail: (202) [system] a=(;)
   Call: (202) [system] a=(/)
   Fail: (202) [system] a=(/)
^  Call: (202) [user] is_like_space(a)
   Call: (203) [system] char_type(a, 'white')
   Fail: (203) [system] char_type(a, 'white')
   Call: (203) [system] char_type(a, end_of_line)
   Fail: (203) [system] char_type(a, end_of_line)
   Call: (203) [system] char_type(a, space)
   Fail: (203) [system] char_type(a, space)
   Call: (203) [system] char_type(a, cntrl)
   Fail: (203) [system] char_type(a, cntrl)
^  Fail: (202) [user] is_like_space(a)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] get_char((0x563acd73bee0), _339382)
   Exit: (201) [system] get_char((0x563acd73bee0), a)
   Call: (201) [system] a='('
   Fail: (201) [system] a='('
   Call: (201) [system] a='['
   Fail: (201) [system] a='['
   Call: (201) [system] a='{'
   Fail: (201) [system] a='{'
   Call: (201) [system] a='"'
   Fail: (201) [system] a='"'
   Call: (201) [system] a=!
   Fail: (201) [system] a=!
   Call: (201) [system] a='\''
   Fail: (201) [system] a='\''
   Call: (201) [system] a='`'
   Fail: (201) [system] a='`'
   Call: (201) [system] a=end_of_file
   Fail: (201) [system] a=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x563acd73bee0), a, _321514)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _357024)
   Call: (203) [system] peek_char((0x563acd73bee0), _357958)
   Exit: (203) [system] peek_char((0x563acd73bee0), b)
^  Call: (203) [user] is_delimiter(b)
   Call: (204) [system] char_type(b, space)
   Fail: (204) [system] char_type(b, space)
   Call: (204) [system] arg(_362678, v('(', ')', end_of_file), b)
   Fail: (204) [system] arg(_363610, v('(', ')', end_of_file), b)
^  Fail: (203) [user] is_delimiter(b)
   Call: (203) [system] ')'==b
   Fail: (203) [system] ')'==b
   Call: (203) [system] get_char((0x563acd73bee0), b)
   Exit: (203) [system] get_char((0x563acd73bee0), b)
   Call: (203) [system] b=(\)
   Fail: (203) [system] b=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _370960)
   Call: (204) [system] peek_char((0x563acd73bee0), _371894)
   Exit: (204) [system] peek_char((0x563acd73bee0), c)
^  Call: (204) [user] is_delimiter(c)
   Call: (205) [system] char_type(c, space)
   Fail: (205) [system] char_type(c, space)
   Call: (205) [system] arg(_376614, v('(', ')', end_of_file), c)
   Fail: (205) [system] arg(_377546, v('(', ')', end_of_file), c)
^  Fail: (204) [user] is_delimiter(c)
   Call: (204) [system] ')'==c
   Fail: (204) [system] ')'==c
   Call: (204) [system] get_char((0x563acd73bee0), c)
   Exit: (204) [system] get_char((0x563acd73bee0), c)
   Call: (204) [system] c=(\)
   Fail: (204) [system] c=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _384896)
   Call: (205) [system] peek_char((0x563acd73bee0), _385830)
   Exit: (205) [system] peek_char((0x563acd73bee0), ')')
^  Call: (205) [user] is_delimiter(')')
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] arg(_390550, v('(', ')', end_of_file), ')')
   Exit: (206) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (205) [user] is_delimiter(')')
   Call: (205) [system] _384896=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (204) [system] _370960=[c]
   Exit: (204) [system] [c]=[c]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [c])
   Call: (203) [system] _357024=[b, c]
   Exit: (203) [system] [b, c]=[b, c]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [b, c])
^  Call: (202) [user] classify_and_convert_charseq([a, b, c], _321514)
^  Call: (203) [user] classify_and_convert_charseq_([a, b, c], _402574)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_403526, _403528), once(user:catch(read_from_chars([a, b, c], _402574), _403508, fail)), '$restore_trace'(_403526, _403528))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_403526, _403528))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _403508, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(abc)
   Exit: (204) [system] atomic(abc)
^  Exit: (203) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (203) [system] integer(abc)
   Fail: (203) [system] integer(abc)
   Call: (203) [system] _321514=abc
   Exit: (203) [system] abc=abc
^  Exit: (202) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (201) [user] read_symbolic(')', (0x563acd73bee0), a, abc)
^  Exit: (200) [user] cont_sexpr(')', (0x563acd73bee0), abc)
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _415654)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _417512)
   Exit: (202) [system] peek_char((0x563acd73bee0), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
   Call: (202) [system] ')'=(/)
   Fail: (202) [system] ')'=(/)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _433522)
   Exit: (201) [system] peek_char((0x563acd73bee0), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x563acd73bee0), _437312)
   Exit: (201) [system] get_char((0x563acd73bee0), ')')
   Call: (201) [system] _415654=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), [])
   Call: (200) [system] _284854=[abc]
   Exit: (200) [system] [abc]=[abc]
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), [abc])
   Call: (199) [system] _155926=[abc, abc]
   Exit: (199) [system] [abc, abc]=[abc, abc]
^  Exit: (198) [user] read_list(')', (0x563acd73bee0), [abc, abc])
   Call: (198) [system] _3644=['DisjunctionIntroduction', abc, abc]
   Exit: (198) [system] ['DisjunctionIntroduction', abc, abc]=['DisjunctionIntroduction', abc, abc]
^  Exit: (197) [user] read_list(')', (0x563acd73bee0), ['DisjunctionIntroduction', abc, abc])
^  Exit: (196) [user] cont_sexpr(')', (0x563acd73bee0), ['DisjunctionIntroduction', abc, abc])
^  Call: (196) [user] read_list(')', (0x563acd73bee0), _451194)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _453052)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x563acd73bee0), _462646)
   Exit: (198) [system] get_char((0x563acd73bee0), ' ')
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _465350)
   Exit: (199) [system] peek_char((0x563acd73bee0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _482284)
   Exit: (197) [system] peek_char((0x563acd73bee0), '(')
   Call: (197) [system] '('=')'
   Fail: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
   Fail: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x563acd73bee0), _487854)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _489712)
   Exit: (199) [system] peek_char((0x563acd73bee0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] get_char((0x563acd73bee0), _505722)
   Exit: (198) [system] get_char((0x563acd73bee0), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _487854)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _511292)
   Exit: (200) [system] peek_char((0x563acd73bee0), 'O')
   Call: (200) [system] 'O'=(;)
   Fail: (200) [system] 'O'=(;)
   Call: (200) [system] 'O'=(/)
   Fail: (200) [system] 'O'=(/)
^  Call: (200) [user] is_like_space('O')
   Call: (201) [system] char_type('O', 'white')
   Fail: (201) [system] char_type('O', 'white')
   Call: (201) [system] char_type('O', end_of_line)
   Fail: (201) [system] char_type('O', end_of_line)
   Call: (201) [system] char_type('O', space)
   Fail: (201) [system] char_type('O', space)
   Call: (201) [system] char_type('O', cntrl)
   Fail: (201) [system] char_type('O', cntrl)
^  Fail: (200) [user] is_like_space('O')
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _527302)
   Exit: (199) [system] peek_char((0x563acd73bee0), 'O')
   Call: (199) [system] 'O'=')'
   Fail: (199) [system] 'O'=')'
   Call: (199) [system] 'O'=end_of_file
   Fail: (199) [system] 'O'=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x563acd73bee0), _532872)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _534730)
   Exit: (201) [system] peek_char((0x563acd73bee0), 'O')
   Call: (201) [system] 'O'=(;)
   Fail: (201) [system] 'O'=(;)
   Call: (201) [system] 'O'=(/)
   Fail: (201) [system] 'O'=(/)
^  Call: (201) [user] is_like_space('O')
   Call: (202) [system] char_type('O', 'white')
   Fail: (202) [system] char_type('O', 'white')
   Call: (202) [system] char_type('O', end_of_line)
   Fail: (202) [system] char_type('O', end_of_line)
   Call: (202) [system] char_type('O', space)
   Fail: (202) [system] char_type('O', space)
   Call: (202) [system] char_type('O', cntrl)
   Fail: (202) [system] char_type('O', cntrl)
^  Fail: (201) [user] is_like_space('O')
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] get_char((0x563acd73bee0), _550740)
   Exit: (200) [system] get_char((0x563acd73bee0), 'O')
   Call: (200) [system] 'O'='('
   Fail: (200) [system] 'O'='('
   Call: (200) [system] 'O'='['
   Fail: (200) [system] 'O'='['
   Call: (200) [system] 'O'='{'
   Fail: (200) [system] 'O'='{'
   Call: (200) [system] 'O'='"'
   Fail: (200) [system] 'O'='"'
   Call: (200) [system] 'O'=!
   Fail: (200) [system] 'O'=!
   Call: (200) [system] 'O'='\''
   Fail: (200) [system] 'O'='\''
   Call: (200) [system] 'O'='`'
   Fail: (200) [system] 'O'='`'
   Call: (200) [system] 'O'=end_of_file
   Fail: (200) [system] 'O'=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x563acd73bee0), 'O', _532872)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _568382)
   Call: (202) [system] peek_char((0x563acd73bee0), _569316)
   Exit: (202) [system] peek_char((0x563acd73bee0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_574036, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_574968, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x563acd73bee0), r)
   Exit: (202) [system] get_char((0x563acd73bee0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _582318)
   Call: (203) [system] peek_char((0x563acd73bee0), _583252)
   Exit: (203) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (203) [user] is_delimiter('L')
   Call: (204) [system] char_type('L', space)
   Fail: (204) [system] char_type('L', space)
   Call: (204) [system] arg(_587972, v('(', ')', end_of_file), 'L')
   Fail: (204) [system] arg(_588904, v('(', ')', end_of_file), 'L')
^  Fail: (203) [user] is_delimiter('L')
   Call: (203) [system] ')'=='L'
   Fail: (203) [system] ')'=='L'
   Call: (203) [system] get_char((0x563acd73bee0), 'L')
   Exit: (203) [system] get_char((0x563acd73bee0), 'L')
   Call: (203) [system] 'L'=(\)
   Fail: (203) [system] 'L'=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _596254)
   Call: (204) [system] peek_char((0x563acd73bee0), _597188)
   Exit: (204) [system] peek_char((0x563acd73bee0), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Fail: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_601908, v('(', ')', end_of_file), i)
   Fail: (205) [system] arg(_602840, v('(', ')', end_of_file), i)
^  Fail: (204) [user] is_delimiter(i)
   Call: (204) [system] ')'==i
   Fail: (204) [system] ')'==i
   Call: (204) [system] get_char((0x563acd73bee0), i)
   Exit: (204) [system] get_char((0x563acd73bee0), i)
   Call: (204) [system] i=(\)
   Fail: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _610190)
   Call: (205) [system] peek_char((0x563acd73bee0), _611124)
   Exit: (205) [system] peek_char((0x563acd73bee0), n)
^  Call: (205) [user] is_delimiter(n)
   Call: (206) [system] char_type(n, space)
   Fail: (206) [system] char_type(n, space)
   Call: (206) [system] arg(_615844, v('(', ')', end_of_file), n)
   Fail: (206) [system] arg(_616776, v('(', ')', end_of_file), n)
^  Fail: (205) [user] is_delimiter(n)
   Call: (205) [system] ')'==n
   Fail: (205) [system] ')'==n
   Call: (205) [system] get_char((0x563acd73bee0), n)
   Exit: (205) [system] get_char((0x563acd73bee0), n)
   Call: (205) [system] n=(\)
   Fail: (205) [system] n=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _624126)
   Call: (206) [system] peek_char((0x563acd73bee0), _625060)
   Exit: (206) [system] peek_char((0x563acd73bee0), k)
^  Call: (206) [user] is_delimiter(k)
   Call: (207) [system] char_type(k, space)
   Fail: (207) [system] char_type(k, space)
   Call: (207) [system] arg(_629780, v('(', ')', end_of_file), k)
   Fail: (207) [system] arg(_630712, v('(', ')', end_of_file), k)
^  Fail: (206) [user] is_delimiter(k)
   Call: (206) [system] ')'==k
   Fail: (206) [system] ')'==k
   Call: (206) [system] get_char((0x563acd73bee0), k)
   Exit: (206) [system] get_char((0x563acd73bee0), k)
   Call: (206) [system] k=(\)
   Fail: (206) [system] k=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _638062)
   Call: (207) [system] peek_char((0x563acd73bee0), _638996)
   Exit: (207) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _638062=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (206) [system] _624126=[k]
   Exit: (206) [system] [k]=[k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (205) [system] _610190=[n, k]
   Exit: (205) [system] [n, k]=[n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (204) [system] _596254=[i, n, k]
   Exit: (204) [system] [i, n, k]=[i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (203) [system] _582318=['L', i, n, k]
   Exit: (203) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (202) [system] _568382=[r, 'L', i, n, k]
   Exit: (202) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (201) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _532872)
^  Call: (202) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _662250)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_663202, _663204), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _662250), _663184, fail)), '$restore_trace'(_663202, _663204))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_663202, _663204))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _662250), _663184, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(_662250)
   Fail: (203) [system] atomic(_662250)
   Call: (203) [system] atom_chars(_662250, ['O', r, 'L', i, n, k])
   Exit: (203) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (202) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (202) [system] integer('OrLink')
   Fail: (202) [system] integer('OrLink')
   Call: (202) [system] _532872='OrLink'
   Exit: (202) [system] 'OrLink'='OrLink'
^  Exit: (201) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (200) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (199) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _677200)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _679058)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _688652)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _691356)
   Exit: (202) [system] peek_char((0x563acd73bee0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _708290)
   Exit: (200) [system] peek_char((0x563acd73bee0), '(')
   Call: (200) [system] '('=')'
   Fail: (200) [system] '('=')'
   Call: (200) [system] '('=end_of_file
   Fail: (200) [system] '('=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x563acd73bee0), _713860)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _715718)
   Exit: (202) [system] peek_char((0x563acd73bee0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] get_char((0x563acd73bee0), _731728)
   Exit: (201) [system] get_char((0x563acd73bee0), '(')
   Call: (201) [system] '('='('
   Exit: (201) [system] '('='('
^  Call: (201) [user] read_list(')', (0x563acd73bee0), _713860)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _737298)
   Exit: (203) [system] peek_char((0x563acd73bee0), 'I')
   Call: (203) [system] 'I'=(;)
   Fail: (203) [system] 'I'=(;)
   Call: (203) [system] 'I'=(/)
   Fail: (203) [system] 'I'=(/)
^  Call: (203) [user] is_like_space('I')
   Call: (204) [system] char_type('I', 'white')
   Fail: (204) [system] char_type('I', 'white')
   Call: (204) [system] char_type('I', end_of_line)
   Fail: (204) [system] char_type('I', end_of_line)
   Call: (204) [system] char_type('I', space)
   Fail: (204) [system] char_type('I', space)
   Call: (204) [system] char_type('I', cntrl)
   Fail: (204) [system] char_type('I', cntrl)
^  Fail: (203) [user] is_like_space('I')
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _753308)
   Exit: (202) [system] peek_char((0x563acd73bee0), 'I')
   Call: (202) [system] 'I'=')'
   Fail: (202) [system] 'I'=')'
   Call: (202) [system] 'I'=end_of_file
   Fail: (202) [system] 'I'=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x563acd73bee0), _758878)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _760736)
   Exit: (204) [system] peek_char((0x563acd73bee0), 'I')
   Call: (204) [system] 'I'=(;)
   Fail: (204) [system] 'I'=(;)
   Call: (204) [system] 'I'=(/)
   Fail: (204) [system] 'I'=(/)
^  Call: (204) [user] is_like_space('I')
   Call: (205) [system] char_type('I', 'white')
   Fail: (205) [system] char_type('I', 'white')
   Call: (205) [system] char_type('I', end_of_line)
   Fail: (205) [system] char_type('I', end_of_line)
   Call: (205) [system] char_type('I', space)
   Fail: (205) [system] char_type('I', space)
   Call: (205) [system] char_type('I', cntrl)
   Fail: (205) [system] char_type('I', cntrl)
^  Fail: (204) [user] is_like_space('I')
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] get_char((0x563acd73bee0), _776746)
   Exit: (203) [system] get_char((0x563acd73bee0), 'I')
   Call: (203) [system] 'I'='('
   Fail: (203) [system] 'I'='('
   Call: (203) [system] 'I'='['
   Fail: (203) [system] 'I'='['
   Call: (203) [system] 'I'='{'
   Fail: (203) [system] 'I'='{'
   Call: (203) [system] 'I'='"'
   Fail: (203) [system] 'I'='"'
   Call: (203) [system] 'I'=!
   Fail: (203) [system] 'I'=!
   Call: (203) [system] 'I'='\''
   Fail: (203) [system] 'I'='\''
   Call: (203) [system] 'I'='`'
   Fail: (203) [system] 'I'='`'
   Call: (203) [system] 'I'=end_of_file
   Fail: (203) [system] 'I'=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x563acd73bee0), 'I', _758878)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _794388)
   Call: (205) [system] peek_char((0x563acd73bee0), _795322)
   Exit: (205) [system] peek_char((0x563acd73bee0), m)
^  Call: (205) [user] is_delimiter(m)
   Call: (206) [system] char_type(m, space)
   Fail: (206) [system] char_type(m, space)
   Call: (206) [system] arg(_800042, v('(', ')', end_of_file), m)
   Fail: (206) [system] arg(_800974, v('(', ')', end_of_file), m)
^  Fail: (205) [user] is_delimiter(m)
   Call: (205) [system] ')'==m
   Fail: (205) [system] ')'==m
   Call: (205) [system] get_char((0x563acd73bee0), m)
   Exit: (205) [system] get_char((0x563acd73bee0), m)
   Call: (205) [system] m=(\)
   Fail: (205) [system] m=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _808324)
   Call: (206) [system] peek_char((0x563acd73bee0), _809258)
   Exit: (206) [system] peek_char((0x563acd73bee0), p)
^  Call: (206) [user] is_delimiter(p)
   Call: (207) [system] char_type(p, space)
   Fail: (207) [system] char_type(p, space)
   Call: (207) [system] arg(_813978, v('(', ')', end_of_file), p)
   Fail: (207) [system] arg(_814910, v('(', ')', end_of_file), p)
^  Fail: (206) [user] is_delimiter(p)
   Call: (206) [system] ')'==p
   Fail: (206) [system] ')'==p
   Call: (206) [system] get_char((0x563acd73bee0), p)
   Exit: (206) [system] get_char((0x563acd73bee0), p)
   Call: (206) [system] p=(\)
   Fail: (206) [system] p=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _822260)
   Call: (207) [system] peek_char((0x563acd73bee0), _823194)
   Exit: (207) [system] peek_char((0x563acd73bee0), l)
^  Call: (207) [user] is_delimiter(l)
   Call: (208) [system] char_type(l, space)
   Fail: (208) [system] char_type(l, space)
   Call: (208) [system] arg(_827914, v('(', ')', end_of_file), l)
   Fail: (208) [system] arg(_828846, v('(', ')', end_of_file), l)
^  Fail: (207) [user] is_delimiter(l)
   Call: (207) [system] ')'==l
   Fail: (207) [system] ')'==l
   Call: (207) [system] get_char((0x563acd73bee0), l)
   Exit: (207) [system] get_char((0x563acd73bee0), l)
   Call: (207) [system] l=(\)
   Fail: (207) [system] l=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _836196)
   Call: (208) [system] peek_char((0x563acd73bee0), _837130)
   Exit: (208) [system] peek_char((0x563acd73bee0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_841850, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_842782, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x563acd73bee0), i)
   Exit: (208) [system] get_char((0x563acd73bee0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _850132)
   Call: (209) [system] peek_char((0x563acd73bee0), _851066)
   Exit: (209) [system] peek_char((0x563acd73bee0), c)
^  Call: (209) [user] is_delimiter(c)
   Call: (210) [system] char_type(c, space)
   Fail: (210) [system] char_type(c, space)
   Call: (210) [system] arg(_855786, v('(', ')', end_of_file), c)
   Fail: (210) [system] arg(_856718, v('(', ')', end_of_file), c)
^  Fail: (209) [user] is_delimiter(c)
   Call: (209) [system] ')'==c
   Fail: (209) [system] ')'==c
   Call: (209) [system] get_char((0x563acd73bee0), c)
   Exit: (209) [system] get_char((0x563acd73bee0), c)
   Call: (209) [system] c=(\)
   Fail: (209) [system] c=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _864068)
   Call: (210) [system] peek_char((0x563acd73bee0), _865002)
   Exit: (210) [system] peek_char((0x563acd73bee0), a)
^  Call: (210) [user] is_delimiter(a)
   Call: (211) [system] char_type(a, space)
   Fail: (211) [system] char_type(a, space)
   Call: (211) [system] arg(_869722, v('(', ')', end_of_file), a)
   Fail: (211) [system] arg(_870654, v('(', ')', end_of_file), a)
^  Fail: (210) [user] is_delimiter(a)
   Call: (210) [system] ')'==a
   Fail: (210) [system] ')'==a
   Call: (210) [system] get_char((0x563acd73bee0), a)
   Exit: (210) [system] get_char((0x563acd73bee0), a)
   Call: (210) [system] a=(\)
   Fail: (210) [system] a=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _878004)
   Call: (211) [system] peek_char((0x563acd73bee0), _878938)
   Exit: (211) [system] peek_char((0x563acd73bee0), t)
^  Call: (211) [user] is_delimiter(t)
   Call: (212) [system] char_type(t, space)
   Fail: (212) [system] char_type(t, space)
   Call: (212) [system] arg(_883658, v('(', ')', end_of_file), t)
   Fail: (212) [system] arg(_884590, v('(', ')', end_of_file), t)
^  Fail: (211) [user] is_delimiter(t)
   Call: (211) [system] ')'==t
   Fail: (211) [system] ')'==t
   Call: (211) [system] get_char((0x563acd73bee0), t)
   Exit: (211) [system] get_char((0x563acd73bee0), t)
   Call: (211) [system] t=(\)
   Fail: (211) [system] t=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _891940)
   Call: (212) [system] peek_char((0x563acd73bee0), _892874)
   Exit: (212) [system] peek_char((0x563acd73bee0), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_897594, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_898526, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x563acd73bee0), i)
   Exit: (212) [system] get_char((0x563acd73bee0), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _905876)
   Call: (213) [system] peek_char((0x563acd73bee0), _906810)
   Exit: (213) [system] peek_char((0x563acd73bee0), o)
^  Call: (213) [user] is_delimiter(o)
   Call: (214) [system] char_type(o, space)
   Fail: (214) [system] char_type(o, space)
   Call: (214) [system] arg(_911530, v('(', ')', end_of_file), o)
   Fail: (214) [system] arg(_912462, v('(', ')', end_of_file), o)
^  Fail: (213) [user] is_delimiter(o)
   Call: (213) [system] ')'==o
   Fail: (213) [system] ')'==o
   Call: (213) [system] get_char((0x563acd73bee0), o)
   Exit: (213) [system] get_char((0x563acd73bee0), o)
   Call: (213) [system] o=(\)
   Fail: (213) [system] o=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _919812)
   Call: (214) [system] peek_char((0x563acd73bee0), _920746)
   Exit: (214) [system] peek_char((0x563acd73bee0), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_925466, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_926398, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x563acd73bee0), n)
   Exit: (214) [system] get_char((0x563acd73bee0), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _933748)
   Call: (215) [system] peek_char((0x563acd73bee0), _934682)
   Exit: (215) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _933748=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (214) [system] _919812=[n]
   Exit: (214) [system] [n]=[n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (213) [system] _905876=[o, n]
   Exit: (213) [system] [o, n]=[o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (212) [system] _891940=[i, o, n]
   Exit: (212) [system] [i, o, n]=[i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (211) [system] _878004=[t, i, o, n]
   Exit: (211) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (210) [system] _864068=[a, t, i, o, n]
   Exit: (210) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (209) [system] _850132=[c, a, t, i, o, n]
   Exit: (209) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (208) [system] _836196=[i, c, a, t, i, o, n]
   Exit: (208) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (207) [system] _822260=[l, i, c, a, t, i, o, n]
   Exit: (207) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (206) [system] _808324=[p, l, i, c, a, t, i, o, n]
   Exit: (206) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (205) [system] _794388=[m, p, l, i, c, a, t, i, o, n]
   Exit: (205) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (204) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _758878)
^  Call: (205) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _971906)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_972858, _972860), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _971906), _972840, fail)), '$restore_trace'(_972858, _972860))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_972858, _972860))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _971906), _972840, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(_971906)
   Fail: (206) [system] atomic(_971906)
   Call: (206) [system] atom_chars(_971906, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (206) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (205) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (205) [system] integer('Implication')
   Fail: (205) [system] integer('Implication')
   Call: (205) [system] _758878='Implication'
   Exit: (205) [system] 'Implication'='Implication'
^  Exit: (204) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (203) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (202) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (202) [user] read_list(')', (0x563acd73bee0), _986856)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _988714)
   Exit: (204) [system] peek_char((0x563acd73bee0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x563acd73bee0), _998308)
   Exit: (204) [system] get_char((0x563acd73bee0), ' ')
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1001012)
   Exit: (205) [system] peek_char((0x563acd73bee0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1017946)
   Exit: (203) [system] peek_char((0x563acd73bee0), '(')
   Call: (203) [system] '('=')'
   Fail: (203) [system] '('=')'
   Call: (203) [system] '('=end_of_file
   Fail: (203) [system] '('=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x563acd73bee0), _1023516)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1025374)
   Exit: (205) [system] peek_char((0x563acd73bee0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] get_char((0x563acd73bee0), _1041384)
   Exit: (204) [system] get_char((0x563acd73bee0), '(')
   Call: (204) [system] '('='('
   Exit: (204) [system] '('='('
^  Call: (204) [user] read_list(')', (0x563acd73bee0), _1023516)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1046954)
   Exit: (206) [system] peek_char((0x563acd73bee0), 'A')
   Call: (206) [system] 'A'=(;)
   Fail: (206) [system] 'A'=(;)
   Call: (206) [system] 'A'=(/)
   Fail: (206) [system] 'A'=(/)
^  Call: (206) [user] is_like_space('A')
   Call: (207) [system] char_type('A', 'white')
   Fail: (207) [system] char_type('A', 'white')
   Call: (207) [system] char_type('A', end_of_line)
   Fail: (207) [system] char_type('A', end_of_line)
   Call: (207) [system] char_type('A', space)
   Fail: (207) [system] char_type('A', space)
   Call: (207) [system] char_type('A', cntrl)
   Fail: (207) [system] char_type('A', cntrl)
^  Fail: (206) [user] is_like_space('A')
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1062964)
   Exit: (205) [system] peek_char((0x563acd73bee0), 'A')
   Call: (205) [system] 'A'=')'
   Fail: (205) [system] 'A'=')'
   Call: (205) [system] 'A'=end_of_file
   Fail: (205) [system] 'A'=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x563acd73bee0), _1068534)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1070392)
   Exit: (207) [system] peek_char((0x563acd73bee0), 'A')
   Call: (207) [system] 'A'=(;)
   Fail: (207) [system] 'A'=(;)
   Call: (207) [system] 'A'=(/)
   Fail: (207) [system] 'A'=(/)
^  Call: (207) [user] is_like_space('A')
   Call: (208) [system] char_type('A', 'white')
   Fail: (208) [system] char_type('A', 'white')
   Call: (208) [system] char_type('A', end_of_line)
   Fail: (208) [system] char_type('A', end_of_line)
   Call: (208) [system] char_type('A', space)
   Fail: (208) [system] char_type('A', space)
   Call: (208) [system] char_type('A', cntrl)
   Fail: (208) [system] char_type('A', cntrl)
^  Fail: (207) [user] is_like_space('A')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] get_char((0x563acd73bee0), _1086402)
   Exit: (206) [system] get_char((0x563acd73bee0), 'A')
   Call: (206) [system] 'A'='('
   Fail: (206) [system] 'A'='('
   Call: (206) [system] 'A'='['
   Fail: (206) [system] 'A'='['
   Call: (206) [system] 'A'='{'
   Fail: (206) [system] 'A'='{'
   Call: (206) [system] 'A'='"'
   Fail: (206) [system] 'A'='"'
   Call: (206) [system] 'A'=!
   Fail: (206) [system] 'A'=!
   Call: (206) [system] 'A'='\''
   Fail: (206) [system] 'A'='\''
   Call: (206) [system] 'A'='`'
   Fail: (206) [system] 'A'='`'
   Call: (206) [system] 'A'=end_of_file
   Fail: (206) [system] 'A'=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x563acd73bee0), 'A', _1068534)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1104044)
   Call: (208) [system] peek_char((0x563acd73bee0), _1104978)
   Exit: (208) [system] peek_char((0x563acd73bee0), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Fail: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_1109698, v('(', ')', end_of_file), n)
   Fail: (209) [system] arg(_1110630, v('(', ')', end_of_file), n)
^  Fail: (208) [user] is_delimiter(n)
   Call: (208) [system] ')'==n
   Fail: (208) [system] ')'==n
   Call: (208) [system] get_char((0x563acd73bee0), n)
   Exit: (208) [system] get_char((0x563acd73bee0), n)
   Call: (208) [system] n=(\)
   Fail: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1117980)
   Call: (209) [system] peek_char((0x563acd73bee0), _1118914)
   Exit: (209) [system] peek_char((0x563acd73bee0), d)
^  Call: (209) [user] is_delimiter(d)
   Call: (210) [system] char_type(d, space)
   Fail: (210) [system] char_type(d, space)
   Call: (210) [system] arg(_1123634, v('(', ')', end_of_file), d)
   Fail: (210) [system] arg(_1124566, v('(', ')', end_of_file), d)
^  Fail: (209) [user] is_delimiter(d)
   Call: (209) [system] ')'==d
   Fail: (209) [system] ')'==d
   Call: (209) [system] get_char((0x563acd73bee0), d)
   Exit: (209) [system] get_char((0x563acd73bee0), d)
   Call: (209) [system] d=(\)
   Fail: (209) [system] d=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1131916)
   Call: (210) [system] peek_char((0x563acd73bee0), _1132850)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (210) [user] is_delimiter('L')
   Call: (211) [system] char_type('L', space)
   Fail: (211) [system] char_type('L', space)
   Call: (211) [system] arg(_1137570, v('(', ')', end_of_file), 'L')
   Fail: (211) [system] arg(_1138502, v('(', ')', end_of_file), 'L')
^  Fail: (210) [user] is_delimiter('L')
   Call: (210) [system] ')'=='L'
   Fail: (210) [system] ')'=='L'
   Call: (210) [system] get_char((0x563acd73bee0), 'L')
   Exit: (210) [system] get_char((0x563acd73bee0), 'L')
   Call: (210) [system] 'L'=(\)
   Fail: (210) [system] 'L'=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1145852)
   Call: (211) [system] peek_char((0x563acd73bee0), _1146786)
   Exit: (211) [system] peek_char((0x563acd73bee0), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Fail: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_1151506, v('(', ')', end_of_file), i)
   Fail: (212) [system] arg(_1152438, v('(', ')', end_of_file), i)
^  Fail: (211) [user] is_delimiter(i)
   Call: (211) [system] ')'==i
   Fail: (211) [system] ')'==i
   Call: (211) [system] get_char((0x563acd73bee0), i)
   Exit: (211) [system] get_char((0x563acd73bee0), i)
   Call: (211) [system] i=(\)
   Fail: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1159788)
   Call: (212) [system] peek_char((0x563acd73bee0), _1160722)
   Exit: (212) [system] peek_char((0x563acd73bee0), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Fail: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_1165442, v('(', ')', end_of_file), n)
   Fail: (213) [system] arg(_1166374, v('(', ')', end_of_file), n)
^  Fail: (212) [user] is_delimiter(n)
   Call: (212) [system] ')'==n
   Fail: (212) [system] ')'==n
   Call: (212) [system] get_char((0x563acd73bee0), n)
   Exit: (212) [system] get_char((0x563acd73bee0), n)
   Call: (212) [system] n=(\)
   Fail: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _1173724)
   Call: (213) [system] peek_char((0x563acd73bee0), _1174658)
   Exit: (213) [system] peek_char((0x563acd73bee0), k)
^  Call: (213) [user] is_delimiter(k)
   Call: (214) [system] char_type(k, space)
   Fail: (214) [system] char_type(k, space)
   Call: (214) [system] arg(_1179378, v('(', ')', end_of_file), k)
   Fail: (214) [system] arg(_1180310, v('(', ')', end_of_file), k)
^  Fail: (213) [user] is_delimiter(k)
   Call: (213) [system] ')'==k
   Fail: (213) [system] ')'==k
   Call: (213) [system] get_char((0x563acd73bee0), k)
   Exit: (213) [system] get_char((0x563acd73bee0), k)
   Call: (213) [system] k=(\)
   Fail: (213) [system] k=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _1187660)
   Call: (214) [system] peek_char((0x563acd73bee0), _1188594)
   Exit: (214) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _1187660=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (213) [system] _1173724=[k]
   Exit: (213) [system] [k]=[k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (212) [system] _1159788=[n, k]
   Exit: (212) [system] [n, k]=[n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (211) [system] _1145852=[i, n, k]
   Exit: (211) [system] [i, n, k]=[i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (210) [system] _1131916=['L', i, n, k]
   Exit: (210) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (209) [system] _1117980=[d, 'L', i, n, k]
   Exit: (209) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, 'L', i, n, k])
   Call: (208) [system] _1104044=[n, d, 'L', i, n, k]
   Exit: (208) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, d, 'L', i, n, k])
^  Call: (207) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1068534)
^  Call: (208) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1214642)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_1215594, _1215596), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1214642), _1215576, fail)), '$restore_trace'(_1215594, _1215596))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_1215594, _1215596))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1214642), _1215576, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_1214642)
   Fail: (209) [system] atomic(_1214642)
   Call: (209) [system] atom_chars(_1214642, ['A', n, d, 'L', i, n, k])
   Exit: (209) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (208) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (208) [system] integer('AndLink')
   Fail: (208) [system] integer('AndLink')
   Call: (208) [system] _1068534='AndLink'
   Exit: (208) [system] 'AndLink'='AndLink'
^  Exit: (207) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (206) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'AndLink')
^  Exit: (205) [user] cont_sexpr(')', (0x563acd73bee0), 'AndLink')
^  Call: (205) [user] read_list(')', (0x563acd73bee0), _1229592)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1231450)
   Exit: (207) [system] peek_char((0x563acd73bee0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
   Call: (207) [system] ' '=(/)
   Fail: (207) [system] ' '=(/)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x563acd73bee0), _1241044)
   Exit: (207) [system] get_char((0x563acd73bee0), ' ')
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1243748)
   Exit: (208) [system] peek_char((0x563acd73bee0), 'A')
   Call: (208) [system] 'A'=(;)
   Fail: (208) [system] 'A'=(;)
   Call: (208) [system] 'A'=(/)
   Fail: (208) [system] 'A'=(/)
^  Call: (208) [user] is_like_space('A')
   Call: (209) [system] char_type('A', 'white')
   Fail: (209) [system] char_type('A', 'white')
   Call: (209) [system] char_type('A', end_of_line)
   Fail: (209) [system] char_type('A', end_of_line)
   Call: (209) [system] char_type('A', space)
   Fail: (209) [system] char_type('A', space)
   Call: (209) [system] char_type('A', cntrl)
   Fail: (209) [system] char_type('A', cntrl)
^  Fail: (208) [user] is_like_space('A')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1260682)
   Exit: (206) [system] peek_char((0x563acd73bee0), 'A')
   Call: (206) [system] 'A'=')'
   Fail: (206) [system] 'A'=')'
   Call: (206) [system] 'A'=end_of_file
   Fail: (206) [system] 'A'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x563acd73bee0), _1266252)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1268110)
   Exit: (208) [system] peek_char((0x563acd73bee0), 'A')
   Call: (208) [system] 'A'=(;)
   Fail: (208) [system] 'A'=(;)
   Call: (208) [system] 'A'=(/)
   Fail: (208) [system] 'A'=(/)
^  Call: (208) [user] is_like_space('A')
   Call: (209) [system] char_type('A', 'white')
   Fail: (209) [system] char_type('A', 'white')
   Call: (209) [system] char_type('A', end_of_line)
   Fail: (209) [system] char_type('A', end_of_line)
   Call: (209) [system] char_type('A', space)
   Fail: (209) [system] char_type('A', space)
   Call: (209) [system] char_type('A', cntrl)
   Fail: (209) [system] char_type('A', cntrl)
^  Fail: (208) [user] is_like_space('A')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] get_char((0x563acd73bee0), _1284120)
   Exit: (207) [system] get_char((0x563acd73bee0), 'A')
   Call: (207) [system] 'A'='('
   Fail: (207) [system] 'A'='('
   Call: (207) [system] 'A'='['
   Fail: (207) [system] 'A'='['
   Call: (207) [system] 'A'='{'
   Fail: (207) [system] 'A'='{'
   Call: (207) [system] 'A'='"'
   Fail: (207) [system] 'A'='"'
   Call: (207) [system] 'A'=!
   Fail: (207) [system] 'A'=!
   Call: (207) [system] 'A'='\''
   Fail: (207) [system] 'A'='\''
   Call: (207) [system] 'A'='`'
   Fail: (207) [system] 'A'='`'
   Call: (207) [system] 'A'=end_of_file
   Fail: (207) [system] 'A'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x563acd73bee0), 'A', _1266252)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1301762)
   Call: (209) [system] peek_char((0x563acd73bee0), _1302696)
   Exit: (209) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _1301762=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (208) [user] classify_and_convert_charseq(['A'], _1266252)
^  Call: (209) [user] classify_and_convert_charseq_(['A'], _1311980)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_1312932, _1312934), once(user:catch(read_from_chars(['A'], _1311980), _1312914, fail)), '$restore_trace'(_1312932, _1312934))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_1312932, _1312934))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1311980), _1312914, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_1311980)
   Fail: (210) [system] atomic(_1311980)
   Call: (210) [system] atom_chars(_1311980, ['A'])
   Exit: (210) [system] atom_chars('A', ['A'])
^  Exit: (209) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (209) [system] integer('A')
   Fail: (209) [system] integer('A')
   Call: (209) [system] _1266252='A'
   Exit: (209) [system] 'A'='A'
^  Exit: (208) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (207) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (206) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (206) [user] read_list(')', (0x563acd73bee0), _1326930)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1328788)
   Exit: (208) [system] peek_char((0x563acd73bee0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x563acd73bee0), _1338382)
   Exit: (208) [system] get_char((0x563acd73bee0), ' ')
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1341086)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'B')
   Call: (209) [system] 'B'=(;)
   Fail: (209) [system] 'B'=(;)
   Call: (209) [system] 'B'=(/)
   Fail: (209) [system] 'B'=(/)
^  Call: (209) [user] is_like_space('B')
   Call: (210) [system] char_type('B', 'white')
   Fail: (210) [system] char_type('B', 'white')
   Call: (210) [system] char_type('B', end_of_line)
   Fail: (210) [system] char_type('B', end_of_line)
   Call: (210) [system] char_type('B', space)
   Fail: (210) [system] char_type('B', space)
   Call: (210) [system] char_type('B', cntrl)
   Fail: (210) [system] char_type('B', cntrl)
^  Fail: (209) [user] is_like_space('B')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1358020)
   Exit: (207) [system] peek_char((0x563acd73bee0), 'B')
   Call: (207) [system] 'B'=')'
   Fail: (207) [system] 'B'=')'
   Call: (207) [system] 'B'=end_of_file
   Fail: (207) [system] 'B'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x563acd73bee0), _1363590)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1365448)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'B')
   Call: (209) [system] 'B'=(;)
   Fail: (209) [system] 'B'=(;)
   Call: (209) [system] 'B'=(/)
   Fail: (209) [system] 'B'=(/)
^  Call: (209) [user] is_like_space('B')
   Call: (210) [system] char_type('B', 'white')
   Fail: (210) [system] char_type('B', 'white')
   Call: (210) [system] char_type('B', end_of_line)
   Fail: (210) [system] char_type('B', end_of_line)
   Call: (210) [system] char_type('B', space)
   Fail: (210) [system] char_type('B', space)
   Call: (210) [system] char_type('B', cntrl)
   Fail: (210) [system] char_type('B', cntrl)
^  Fail: (209) [user] is_like_space('B')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] get_char((0x563acd73bee0), _1381458)
   Exit: (208) [system] get_char((0x563acd73bee0), 'B')
   Call: (208) [system] 'B'='('
   Fail: (208) [system] 'B'='('
   Call: (208) [system] 'B'='['
   Fail: (208) [system] 'B'='['
   Call: (208) [system] 'B'='{'
   Fail: (208) [system] 'B'='{'
   Call: (208) [system] 'B'='"'
   Fail: (208) [system] 'B'='"'
   Call: (208) [system] 'B'=!
   Fail: (208) [system] 'B'=!
   Call: (208) [system] 'B'='\''
   Fail: (208) [system] 'B'='\''
   Call: (208) [system] 'B'='`'
   Fail: (208) [system] 'B'='`'
   Call: (208) [system] 'B'=end_of_file
   Fail: (208) [system] 'B'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x563acd73bee0), 'B', _1363590)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1399100)
   Call: (210) [system] peek_char((0x563acd73bee0), _1400034)
   Exit: (210) [system] peek_char((0x563acd73bee0), ')')
^  Call: (210) [user] is_delimiter(')')
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] arg(_1404754, v('(', ')', end_of_file), ')')
   Exit: (211) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (210) [user] is_delimiter(')')
   Call: (210) [system] _1399100=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (209) [user] classify_and_convert_charseq(['B'], _1363590)
^  Call: (210) [user] classify_and_convert_charseq_(['B'], _1411190)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1412142, _1412144), once(user:catch(read_from_chars(['B'], _1411190), _1412124, fail)), '$restore_trace'(_1412142, _1412144))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1412142, _1412144))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1411190), _1412124, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_1411190)
   Fail: (211) [system] atomic(_1411190)
   Call: (211) [system] atom_chars(_1411190, ['B'])
   Exit: (211) [system] atom_chars('B', ['B'])
^  Exit: (210) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (210) [system] integer('B')
   Fail: (210) [system] integer('B')
   Call: (210) [system] _1363590='B'
   Exit: (210) [system] 'B'='B'
^  Exit: (209) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (208) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (207) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (207) [user] read_list(')', (0x563acd73bee0), _1426140)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1427998)
   Exit: (209) [system] peek_char((0x563acd73bee0), ')')
   Call: (209) [system] ')'=(;)
   Fail: (209) [system] ')'=(;)
   Call: (209) [system] ')'=(/)
   Fail: (209) [system] ')'=(/)
^  Call: (209) [user] is_like_space(')')
   Call: (210) [system] char_type(')', 'white')
   Fail: (210) [system] char_type(')', 'white')
   Call: (210) [system] char_type(')', end_of_line)
   Fail: (210) [system] char_type(')', end_of_line)
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] char_type(')', cntrl)
   Fail: (210) [system] char_type(')', cntrl)
^  Fail: (209) [user] is_like_space(')')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1444008)
   Exit: (208) [system] peek_char((0x563acd73bee0), ')')
   Call: (208) [system] ')'=')'
   Exit: (208) [system] ')'=')'
   Call: (208) [system] get_char((0x563acd73bee0), _1447798)
   Exit: (208) [system] get_char((0x563acd73bee0), ')')
   Call: (208) [system] _1426140=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_list(')', (0x563acd73bee0), [])
   Call: (207) [system] _1326930=['B']
   Exit: (207) [system] ['B']=['B']
^  Exit: (206) [user] read_list(')', (0x563acd73bee0), ['B'])
   Call: (206) [system] _1229592=['A', 'B']
   Exit: (206) [system] ['A', 'B']=['A', 'B']
^  Exit: (205) [user] read_list(')', (0x563acd73bee0), ['A', 'B'])
   Call: (205) [system] _1023516=['AndLink', 'A', 'B']
   Exit: (205) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (204) [user] read_list(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Exit: (203) [user] cont_sexpr(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Call: (203) [user] read_list(')', (0x563acd73bee0), _1461680)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1463538)
   Exit: (205) [system] peek_char((0x563acd73bee0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x563acd73bee0), _1473132)
   Exit: (205) [system] get_char((0x563acd73bee0), ' ')
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1475836)
   Exit: (206) [system] peek_char((0x563acd73bee0), 'C')
   Call: (206) [system] 'C'=(;)
   Fail: (206) [system] 'C'=(;)
   Call: (206) [system] 'C'=(/)
   Fail: (206) [system] 'C'=(/)
^  Call: (206) [user] is_like_space('C')
   Call: (207) [system] char_type('C', 'white')
   Fail: (207) [system] char_type('C', 'white')
   Call: (207) [system] char_type('C', end_of_line)
   Fail: (207) [system] char_type('C', end_of_line)
   Call: (207) [system] char_type('C', space)
   Fail: (207) [system] char_type('C', space)
   Call: (207) [system] char_type('C', cntrl)
   Fail: (207) [system] char_type('C', cntrl)
^  Fail: (206) [user] is_like_space('C')
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1492770)
   Exit: (204) [system] peek_char((0x563acd73bee0), 'C')
   Call: (204) [system] 'C'=')'
   Fail: (204) [system] 'C'=')'
   Call: (204) [system] 'C'=end_of_file
   Fail: (204) [system] 'C'=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x563acd73bee0), _1498340)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1500198)
   Exit: (206) [system] peek_char((0x563acd73bee0), 'C')
   Call: (206) [system] 'C'=(;)
   Fail: (206) [system] 'C'=(;)
   Call: (206) [system] 'C'=(/)
   Fail: (206) [system] 'C'=(/)
^  Call: (206) [user] is_like_space('C')
   Call: (207) [system] char_type('C', 'white')
   Fail: (207) [system] char_type('C', 'white')
   Call: (207) [system] char_type('C', end_of_line)
   Fail: (207) [system] char_type('C', end_of_line)
   Call: (207) [system] char_type('C', space)
   Fail: (207) [system] char_type('C', space)
   Call: (207) [system] char_type('C', cntrl)
   Fail: (207) [system] char_type('C', cntrl)
^  Fail: (206) [user] is_like_space('C')
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] get_char((0x563acd73bee0), _1516208)
   Exit: (205) [system] get_char((0x563acd73bee0), 'C')
   Call: (205) [system] 'C'='('
   Fail: (205) [system] 'C'='('
   Call: (205) [system] 'C'='['
   Fail: (205) [system] 'C'='['
   Call: (205) [system] 'C'='{'
   Fail: (205) [system] 'C'='{'
   Call: (205) [system] 'C'='"'
   Fail: (205) [system] 'C'='"'
   Call: (205) [system] 'C'=!
   Fail: (205) [system] 'C'=!
   Call: (205) [system] 'C'='\''
   Fail: (205) [system] 'C'='\''
   Call: (205) [system] 'C'='`'
   Fail: (205) [system] 'C'='`'
   Call: (205) [system] 'C'=end_of_file
   Fail: (205) [system] 'C'=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x563acd73bee0), 'C', _1498340)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1533850)
   Call: (207) [system] peek_char((0x563acd73bee0), _1534784)
   Exit: (207) [system] peek_char((0x563acd73bee0), ')')
^  Call: (207) [user] is_delimiter(')')
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] arg(_1539504, v('(', ')', end_of_file), ')')
   Exit: (208) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (207) [user] is_delimiter(')')
   Call: (207) [system] _1533850=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (206) [user] classify_and_convert_charseq(['C'], _1498340)
^  Call: (207) [user] classify_and_convert_charseq_(['C'], _1545940)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_1546892, _1546894), once(user:catch(read_from_chars(['C'], _1545940), _1546874, fail)), '$restore_trace'(_1546892, _1546894))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_1546892, _1546894))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1545940), _1546874, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(_1545940)
   Fail: (208) [system] atomic(_1545940)
   Call: (208) [system] atom_chars(_1545940, ['C'])
   Exit: (208) [system] atom_chars('C', ['C'])
^  Exit: (207) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (207) [system] integer('C')
   Fail: (207) [system] integer('C')
   Call: (207) [system] _1498340='C'
   Exit: (207) [system] 'C'='C'
^  Exit: (206) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (205) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (204) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (204) [user] read_list(')', (0x563acd73bee0), _1560890)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1562748)
   Exit: (206) [system] peek_char((0x563acd73bee0), ')')
   Call: (206) [system] ')'=(;)
   Fail: (206) [system] ')'=(;)
   Call: (206) [system] ')'=(/)
   Fail: (206) [system] ')'=(/)
^  Call: (206) [user] is_like_space(')')
   Call: (207) [system] char_type(')', 'white')
   Fail: (207) [system] char_type(')', 'white')
   Call: (207) [system] char_type(')', end_of_line)
   Fail: (207) [system] char_type(')', end_of_line)
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] char_type(')', cntrl)
   Fail: (207) [system] char_type(')', cntrl)
^  Fail: (206) [user] is_like_space(')')
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1578758)
   Exit: (205) [system] peek_char((0x563acd73bee0), ')')
   Call: (205) [system] ')'=')'
   Exit: (205) [system] ')'=')'
   Call: (205) [system] get_char((0x563acd73bee0), _1582548)
   Exit: (205) [system] get_char((0x563acd73bee0), ')')
   Call: (205) [system] _1560890=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_list(')', (0x563acd73bee0), [])
   Call: (204) [system] _1461680=['C']
   Exit: (204) [system] ['C']=['C']
^  Exit: (203) [user] read_list(')', (0x563acd73bee0), ['C'])
   Call: (203) [system] _986856=[['AndLink', 'A', 'B'], 'C']
   Exit: (203) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (202) [user] read_list(')', (0x563acd73bee0), [['AndLink', 'A', 'B'], 'C'])
   Call: (202) [system] _713860=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (202) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (201) [user] read_list(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (200) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _1596430)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1598288)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x563acd73bee0), _1607882)
   Exit: (202) [system] get_char((0x563acd73bee0), ' ')
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1610586)
   Exit: (203) [system] peek_char((0x563acd73bee0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1627520)
   Exit: (201) [system] peek_char((0x563acd73bee0), '(')
   Call: (201) [system] '('=')'
   Fail: (201) [system] '('=')'
   Call: (201) [system] '('=end_of_file
   Fail: (201) [system] '('=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x563acd73bee0), _1633090)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1634948)
   Exit: (203) [system] peek_char((0x563acd73bee0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] get_char((0x563acd73bee0), _1650958)
   Exit: (202) [system] get_char((0x563acd73bee0), '(')
   Call: (202) [system] '('='('
   Exit: (202) [system] '('='('
^  Call: (202) [user] read_list(')', (0x563acd73bee0), _1633090)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1656528)
   Exit: (204) [system] peek_char((0x563acd73bee0), 'I')
   Call: (204) [system] 'I'=(;)
   Fail: (204) [system] 'I'=(;)
   Call: (204) [system] 'I'=(/)
   Fail: (204) [system] 'I'=(/)
^  Call: (204) [user] is_like_space('I')
   Call: (205) [system] char_type('I', 'white')
   Fail: (205) [system] char_type('I', 'white')
   Call: (205) [system] char_type('I', end_of_line)
   Fail: (205) [system] char_type('I', end_of_line)
   Call: (205) [system] char_type('I', space)
   Fail: (205) [system] char_type('I', space)
   Call: (205) [system] char_type('I', cntrl)
   Fail: (205) [system] char_type('I', cntrl)
^  Fail: (204) [user] is_like_space('I')
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1672538)
   Exit: (203) [system] peek_char((0x563acd73bee0), 'I')
   Call: (203) [system] 'I'=')'
   Fail: (203) [system] 'I'=')'
   Call: (203) [system] 'I'=end_of_file
   Fail: (203) [system] 'I'=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x563acd73bee0), _1678108)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1679966)
   Exit: (205) [system] peek_char((0x563acd73bee0), 'I')
   Call: (205) [system] 'I'=(;)
   Fail: (205) [system] 'I'=(;)
   Call: (205) [system] 'I'=(/)
   Fail: (205) [system] 'I'=(/)
^  Call: (205) [user] is_like_space('I')
   Call: (206) [system] char_type('I', 'white')
   Fail: (206) [system] char_type('I', 'white')
   Call: (206) [system] char_type('I', end_of_line)
   Fail: (206) [system] char_type('I', end_of_line)
   Call: (206) [system] char_type('I', space)
   Fail: (206) [system] char_type('I', space)
   Call: (206) [system] char_type('I', cntrl)
   Fail: (206) [system] char_type('I', cntrl)
^  Fail: (205) [user] is_like_space('I')
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] get_char((0x563acd73bee0), _1695976)
   Exit: (204) [system] get_char((0x563acd73bee0), 'I')
   Call: (204) [system] 'I'='('
   Fail: (204) [system] 'I'='('
   Call: (204) [system] 'I'='['
   Fail: (204) [system] 'I'='['
   Call: (204) [system] 'I'='{'
   Fail: (204) [system] 'I'='{'
   Call: (204) [system] 'I'='"'
   Fail: (204) [system] 'I'='"'
   Call: (204) [system] 'I'=!
   Fail: (204) [system] 'I'=!
   Call: (204) [system] 'I'='\''
   Fail: (204) [system] 'I'='\''
   Call: (204) [system] 'I'='`'
   Fail: (204) [system] 'I'='`'
   Call: (204) [system] 'I'=end_of_file
   Fail: (204) [system] 'I'=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x563acd73bee0), 'I', _1678108)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1713618)
   Call: (206) [system] peek_char((0x563acd73bee0), _1714552)
   Exit: (206) [system] peek_char((0x563acd73bee0), m)
^  Call: (206) [user] is_delimiter(m)
   Call: (207) [system] char_type(m, space)
   Fail: (207) [system] char_type(m, space)
   Call: (207) [system] arg(_1719272, v('(', ')', end_of_file), m)
   Fail: (207) [system] arg(_1720204, v('(', ')', end_of_file), m)
^  Fail: (206) [user] is_delimiter(m)
   Call: (206) [system] ')'==m
   Fail: (206) [system] ')'==m
   Call: (206) [system] get_char((0x563acd73bee0), m)
   Exit: (206) [system] get_char((0x563acd73bee0), m)
   Call: (206) [system] m=(\)
   Fail: (206) [system] m=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1727554)
   Call: (207) [system] peek_char((0x563acd73bee0), _1728488)
   Exit: (207) [system] peek_char((0x563acd73bee0), p)
^  Call: (207) [user] is_delimiter(p)
   Call: (208) [system] char_type(p, space)
   Fail: (208) [system] char_type(p, space)
   Call: (208) [system] arg(_1733208, v('(', ')', end_of_file), p)
   Fail: (208) [system] arg(_1734140, v('(', ')', end_of_file), p)
^  Fail: (207) [user] is_delimiter(p)
   Call: (207) [system] ')'==p
   Fail: (207) [system] ')'==p
   Call: (207) [system] get_char((0x563acd73bee0), p)
   Exit: (207) [system] get_char((0x563acd73bee0), p)
   Call: (207) [system] p=(\)
   Fail: (207) [system] p=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1741490)
   Call: (208) [system] peek_char((0x563acd73bee0), _1742424)
   Exit: (208) [system] peek_char((0x563acd73bee0), l)
^  Call: (208) [user] is_delimiter(l)
   Call: (209) [system] char_type(l, space)
   Fail: (209) [system] char_type(l, space)
   Call: (209) [system] arg(_1747144, v('(', ')', end_of_file), l)
   Fail: (209) [system] arg(_1748076, v('(', ')', end_of_file), l)
^  Fail: (208) [user] is_delimiter(l)
   Call: (208) [system] ')'==l
   Fail: (208) [system] ')'==l
   Call: (208) [system] get_char((0x563acd73bee0), l)
   Exit: (208) [system] get_char((0x563acd73bee0), l)
   Call: (208) [system] l=(\)
   Fail: (208) [system] l=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1755426)
   Call: (209) [system] peek_char((0x563acd73bee0), _1756360)
   Exit: (209) [system] peek_char((0x563acd73bee0), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_1761080, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_1762012, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x563acd73bee0), i)
   Exit: (209) [system] get_char((0x563acd73bee0), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1769362)
   Call: (210) [system] peek_char((0x563acd73bee0), _1770296)
   Exit: (210) [system] peek_char((0x563acd73bee0), c)
^  Call: (210) [user] is_delimiter(c)
   Call: (211) [system] char_type(c, space)
   Fail: (211) [system] char_type(c, space)
   Call: (211) [system] arg(_1775016, v('(', ')', end_of_file), c)
   Fail: (211) [system] arg(_1775948, v('(', ')', end_of_file), c)
^  Fail: (210) [user] is_delimiter(c)
   Call: (210) [system] ')'==c
   Fail: (210) [system] ')'==c
   Call: (210) [system] get_char((0x563acd73bee0), c)
   Exit: (210) [system] get_char((0x563acd73bee0), c)
   Call: (210) [system] c=(\)
   Fail: (210) [system] c=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1783298)
   Call: (211) [system] peek_char((0x563acd73bee0), _1784232)
   Exit: (211) [system] peek_char((0x563acd73bee0), a)
^  Call: (211) [user] is_delimiter(a)
   Call: (212) [system] char_type(a, space)
   Fail: (212) [system] char_type(a, space)
   Call: (212) [system] arg(_1788952, v('(', ')', end_of_file), a)
   Fail: (212) [system] arg(_1789884, v('(', ')', end_of_file), a)
^  Fail: (211) [user] is_delimiter(a)
   Call: (211) [system] ')'==a
   Fail: (211) [system] ')'==a
   Call: (211) [system] get_char((0x563acd73bee0), a)
   Exit: (211) [system] get_char((0x563acd73bee0), a)
   Call: (211) [system] a=(\)
   Fail: (211) [system] a=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1797234)
   Call: (212) [system] peek_char((0x563acd73bee0), _1798168)
   Exit: (212) [system] peek_char((0x563acd73bee0), t)
^  Call: (212) [user] is_delimiter(t)
   Call: (213) [system] char_type(t, space)
   Fail: (213) [system] char_type(t, space)
   Call: (213) [system] arg(_1802888, v('(', ')', end_of_file), t)
   Fail: (213) [system] arg(_1803820, v('(', ')', end_of_file), t)
^  Fail: (212) [user] is_delimiter(t)
   Call: (212) [system] ')'==t
   Fail: (212) [system] ')'==t
   Call: (212) [system] get_char((0x563acd73bee0), t)
   Exit: (212) [system] get_char((0x563acd73bee0), t)
   Call: (212) [system] t=(\)
   Fail: (212) [system] t=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _1811170)
   Call: (213) [system] peek_char((0x563acd73bee0), _1812104)
   Exit: (213) [system] peek_char((0x563acd73bee0), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Fail: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_1816824, v('(', ')', end_of_file), i)
   Fail: (214) [system] arg(_1817756, v('(', ')', end_of_file), i)
^  Fail: (213) [user] is_delimiter(i)
   Call: (213) [system] ')'==i
   Fail: (213) [system] ')'==i
   Call: (213) [system] get_char((0x563acd73bee0), i)
   Exit: (213) [system] get_char((0x563acd73bee0), i)
   Call: (213) [system] i=(\)
   Fail: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _1825106)
   Call: (214) [system] peek_char((0x563acd73bee0), _1826040)
   Exit: (214) [system] peek_char((0x563acd73bee0), o)
^  Call: (214) [user] is_delimiter(o)
   Call: (215) [system] char_type(o, space)
   Fail: (215) [system] char_type(o, space)
   Call: (215) [system] arg(_1830760, v('(', ')', end_of_file), o)
   Fail: (215) [system] arg(_1831692, v('(', ')', end_of_file), o)
^  Fail: (214) [user] is_delimiter(o)
   Call: (214) [system] ')'==o
   Fail: (214) [system] ')'==o
   Call: (214) [system] get_char((0x563acd73bee0), o)
   Exit: (214) [system] get_char((0x563acd73bee0), o)
   Call: (214) [system] o=(\)
   Fail: (214) [system] o=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _1839042)
   Call: (215) [system] peek_char((0x563acd73bee0), _1839976)
   Exit: (215) [system] peek_char((0x563acd73bee0), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_1844696, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_1845628, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x563acd73bee0), n)
   Exit: (215) [system] get_char((0x563acd73bee0), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _1852978)
   Call: (216) [system] peek_char((0x563acd73bee0), _1853912)
   Exit: (216) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _1852978=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (215) [system] _1839042=[n]
   Exit: (215) [system] [n]=[n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (214) [system] _1825106=[o, n]
   Exit: (214) [system] [o, n]=[o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (213) [system] _1811170=[i, o, n]
   Exit: (213) [system] [i, o, n]=[i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (212) [system] _1797234=[t, i, o, n]
   Exit: (212) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (211) [system] _1783298=[a, t, i, o, n]
   Exit: (211) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (210) [system] _1769362=[c, a, t, i, o, n]
   Exit: (210) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (209) [system] _1755426=[i, c, a, t, i, o, n]
   Exit: (209) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (208) [system] _1741490=[l, i, c, a, t, i, o, n]
   Exit: (208) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (207) [system] _1727554=[p, l, i, c, a, t, i, o, n]
   Exit: (207) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (206) [system] _1713618=[m, p, l, i, c, a, t, i, o, n]
   Exit: (206) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (205) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1678108)
^  Call: (206) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1891136)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_1892088, _1892090), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1891136), _1892070, fail)), '$restore_trace'(_1892088, _1892090))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_1892088, _1892090))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1891136), _1892070, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(_1891136)
   Fail: (207) [system] atomic(_1891136)
   Call: (207) [system] atom_chars(_1891136, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (207) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (206) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (206) [system] integer('Implication')
   Fail: (206) [system] integer('Implication')
   Call: (206) [system] _1678108='Implication'
   Exit: (206) [system] 'Implication'='Implication'
^  Exit: (205) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (204) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (203) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (203) [user] read_list(')', (0x563acd73bee0), _1906086)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1907944)
   Exit: (205) [system] peek_char((0x563acd73bee0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x563acd73bee0), _1917538)
   Exit: (205) [system] get_char((0x563acd73bee0), ' ')
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1920242)
   Exit: (206) [system] peek_char((0x563acd73bee0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1937176)
   Exit: (204) [system] peek_char((0x563acd73bee0), '(')
   Call: (204) [system] '('=')'
   Fail: (204) [system] '('=')'
   Call: (204) [system] '('=end_of_file
   Fail: (204) [system] '('=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x563acd73bee0), _1942746)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1944604)
   Exit: (206) [system] peek_char((0x563acd73bee0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] get_char((0x563acd73bee0), _1960614)
   Exit: (205) [system] get_char((0x563acd73bee0), '(')
   Call: (205) [system] '('='('
   Exit: (205) [system] '('='('
^  Call: (205) [user] read_list(')', (0x563acd73bee0), _1942746)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1966184)
   Exit: (207) [system] peek_char((0x563acd73bee0), 'A')
   Call: (207) [system] 'A'=(;)
   Fail: (207) [system] 'A'=(;)
   Call: (207) [system] 'A'=(/)
   Fail: (207) [system] 'A'=(/)
^  Call: (207) [user] is_like_space('A')
   Call: (208) [system] char_type('A', 'white')
   Fail: (208) [system] char_type('A', 'white')
   Call: (208) [system] char_type('A', end_of_line)
   Fail: (208) [system] char_type('A', end_of_line)
   Call: (208) [system] char_type('A', space)
   Fail: (208) [system] char_type('A', space)
   Call: (208) [system] char_type('A', cntrl)
   Fail: (208) [system] char_type('A', cntrl)
^  Fail: (207) [user] is_like_space('A')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1982194)
   Exit: (206) [system] peek_char((0x563acd73bee0), 'A')
   Call: (206) [system] 'A'=')'
   Fail: (206) [system] 'A'=')'
   Call: (206) [system] 'A'=end_of_file
   Fail: (206) [system] 'A'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x563acd73bee0), _1987764)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1989622)
   Exit: (208) [system] peek_char((0x563acd73bee0), 'A')
   Call: (208) [system] 'A'=(;)
   Fail: (208) [system] 'A'=(;)
   Call: (208) [system] 'A'=(/)
   Fail: (208) [system] 'A'=(/)
^  Call: (208) [user] is_like_space('A')
   Call: (209) [system] char_type('A', 'white')
   Fail: (209) [system] char_type('A', 'white')
   Call: (209) [system] char_type('A', end_of_line)
   Fail: (209) [system] char_type('A', end_of_line)
   Call: (209) [system] char_type('A', space)
   Fail: (209) [system] char_type('A', space)
   Call: (209) [system] char_type('A', cntrl)
   Fail: (209) [system] char_type('A', cntrl)
^  Fail: (208) [user] is_like_space('A')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] get_char((0x563acd73bee0), _2005632)
   Exit: (207) [system] get_char((0x563acd73bee0), 'A')
   Call: (207) [system] 'A'='('
   Fail: (207) [system] 'A'='('
   Call: (207) [system] 'A'='['
   Fail: (207) [system] 'A'='['
   Call: (207) [system] 'A'='{'
   Fail: (207) [system] 'A'='{'
   Call: (207) [system] 'A'='"'
   Fail: (207) [system] 'A'='"'
   Call: (207) [system] 'A'=!
   Fail: (207) [system] 'A'=!
   Call: (207) [system] 'A'='\''
   Fail: (207) [system] 'A'='\''
   Call: (207) [system] 'A'='`'
   Fail: (207) [system] 'A'='`'
   Call: (207) [system] 'A'=end_of_file
   Fail: (207) [system] 'A'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x563acd73bee0), 'A', _1987764)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _2023274)
   Call: (209) [system] peek_char((0x563acd73bee0), _2024208)
   Exit: (209) [system] peek_char((0x563acd73bee0), n)
^  Call: (209) [user] is_delimiter(n)
   Call: (210) [system] char_type(n, space)
   Fail: (210) [system] char_type(n, space)
   Call: (210) [system] arg(_2028928, v('(', ')', end_of_file), n)
   Fail: (210) [system] arg(_2029860, v('(', ')', end_of_file), n)
^  Fail: (209) [user] is_delimiter(n)
   Call: (209) [system] ')'==n
   Fail: (209) [system] ')'==n
   Call: (209) [system] get_char((0x563acd73bee0), n)
   Exit: (209) [system] get_char((0x563acd73bee0), n)
   Call: (209) [system] n=(\)
   Fail: (209) [system] n=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _2037210)
   Call: (210) [system] peek_char((0x563acd73bee0), _2038144)
   Exit: (210) [system] peek_char((0x563acd73bee0), d)
^  Call: (210) [user] is_delimiter(d)
   Call: (211) [system] char_type(d, space)
   Fail: (211) [system] char_type(d, space)
   Call: (211) [system] arg(_2042864, v('(', ')', end_of_file), d)
   Fail: (211) [system] arg(_2043796, v('(', ')', end_of_file), d)
^  Fail: (210) [user] is_delimiter(d)
   Call: (210) [system] ')'==d
   Fail: (210) [system] ')'==d
   Call: (210) [system] get_char((0x563acd73bee0), d)
   Exit: (210) [system] get_char((0x563acd73bee0), d)
   Call: (210) [system] d=(\)
   Fail: (210) [system] d=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _2051146)
   Call: (211) [system] peek_char((0x563acd73bee0), _2052080)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (211) [user] is_delimiter('L')
   Call: (212) [system] char_type('L', space)
   Fail: (212) [system] char_type('L', space)
   Call: (212) [system] arg(_2056800, v('(', ')', end_of_file), 'L')
   Fail: (212) [system] arg(_2057732, v('(', ')', end_of_file), 'L')
^  Fail: (211) [user] is_delimiter('L')
   Call: (211) [system] ')'=='L'
   Fail: (211) [system] ')'=='L'
   Call: (211) [system] get_char((0x563acd73bee0), 'L')
   Exit: (211) [system] get_char((0x563acd73bee0), 'L')
   Call: (211) [system] 'L'=(\)
   Fail: (211) [system] 'L'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _2065082)
   Call: (212) [system] peek_char((0x563acd73bee0), _2066016)
   Exit: (212) [system] peek_char((0x563acd73bee0), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_2070736, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_2071668, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x563acd73bee0), i)
   Exit: (212) [system] get_char((0x563acd73bee0), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _2079018)
   Call: (213) [system] peek_char((0x563acd73bee0), _2079952)
   Exit: (213) [system] peek_char((0x563acd73bee0), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_2084672, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_2085604, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x563acd73bee0), n)
   Exit: (213) [system] get_char((0x563acd73bee0), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _2092954)
   Call: (214) [system] peek_char((0x563acd73bee0), _2093888)
   Exit: (214) [system] peek_char((0x563acd73bee0), k)
^  Call: (214) [user] is_delimiter(k)
   Call: (215) [system] char_type(k, space)
   Fail: (215) [system] char_type(k, space)
   Call: (215) [system] arg(_5526, v('(', ')', end_of_file), k)
   Fail: (215) [system] arg(_6458, v('(', ')', end_of_file), k)
^  Fail: (214) [user] is_delimiter(k)
   Call: (214) [system] ')'==k
   Fail: (214) [system] ')'==k
   Call: (214) [system] get_char((0x563acd73bee0), k)
   Exit: (214) [system] get_char((0x563acd73bee0), k)
   Call: (214) [system] k=(\)
   Fail: (214) [system] k=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _13808)
   Call: (215) [system] peek_char((0x563acd73bee0), _14742)
   Exit: (215) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _13808=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (214) [system] _3764=[k]
   Exit: (214) [system] [k]=[k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (213) [system] _3760=[n, k]
   Exit: (213) [system] [n, k]=[n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (212) [system] _3756=[i, n, k]
   Exit: (212) [system] [i, n, k]=[i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (211) [system] _3752=['L', i, n, k]
   Exit: (211) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (210) [system] _3748=[d, 'L', i, n, k]
   Exit: (210) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, 'L', i, n, k])
   Call: (209) [system] _3744=[n, d, 'L', i, n, k]
   Exit: (209) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, d, 'L', i, n, k])
^  Call: (208) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _3740)
^  Call: (209) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _40790)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_41742, _41744), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _40790), _41724, fail)), '$restore_trace'(_41742, _41744))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_41742, _41744))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _40790), _41724, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_40790)
   Fail: (210) [system] atomic(_40790)
   Call: (210) [system] atom_chars(_40790, ['A', n, d, 'L', i, n, k])
   Exit: (210) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (209) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (209) [system] integer('AndLink')
   Fail: (209) [system] integer('AndLink')
   Call: (209) [system] _3740='AndLink'
   Exit: (209) [system] 'AndLink'='AndLink'
^  Exit: (208) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (207) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'AndLink')
^  Exit: (206) [user] cont_sexpr(')', (0x563acd73bee0), 'AndLink')
^  Call: (206) [user] read_list(')', (0x563acd73bee0), _55740)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _57598)
   Exit: (208) [system] peek_char((0x563acd73bee0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x563acd73bee0), _67192)
   Exit: (208) [system] get_char((0x563acd73bee0), ' ')
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _69896)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'A')
   Call: (209) [system] 'A'=(;)
   Fail: (209) [system] 'A'=(;)
   Call: (209) [system] 'A'=(/)
   Fail: (209) [system] 'A'=(/)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Fail: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Fail: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Fail: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
   Fail: (210) [system] char_type('A', cntrl)
^  Fail: (209) [user] is_like_space('A')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _86830)
   Exit: (207) [system] peek_char((0x563acd73bee0), 'A')
   Call: (207) [system] 'A'=')'
   Fail: (207) [system] 'A'=')'
   Call: (207) [system] 'A'=end_of_file
   Fail: (207) [system] 'A'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x563acd73bee0), _92400)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _94258)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'A')
   Call: (209) [system] 'A'=(;)
   Fail: (209) [system] 'A'=(;)
   Call: (209) [system] 'A'=(/)
   Fail: (209) [system] 'A'=(/)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Fail: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Fail: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Fail: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
   Fail: (210) [system] char_type('A', cntrl)
^  Fail: (209) [user] is_like_space('A')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] get_char((0x563acd73bee0), _110268)
   Exit: (208) [system] get_char((0x563acd73bee0), 'A')
   Call: (208) [system] 'A'='('
   Fail: (208) [system] 'A'='('
   Call: (208) [system] 'A'='['
   Fail: (208) [system] 'A'='['
   Call: (208) [system] 'A'='{'
   Fail: (208) [system] 'A'='{'
   Call: (208) [system] 'A'='"'
   Fail: (208) [system] 'A'='"'
   Call: (208) [system] 'A'=!
   Fail: (208) [system] 'A'=!
   Call: (208) [system] 'A'='\''
   Fail: (208) [system] 'A'='\''
   Call: (208) [system] 'A'='`'
   Fail: (208) [system] 'A'='`'
   Call: (208) [system] 'A'=end_of_file
   Fail: (208) [system] 'A'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x563acd73bee0), 'A', _92400)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _127910)
   Call: (210) [system] peek_char((0x563acd73bee0), _128844)
   Exit: (210) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _127910=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (209) [user] classify_and_convert_charseq(['A'], _92400)
^  Call: (210) [user] classify_and_convert_charseq_(['A'], _138128)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_139080, _139082), once(user:catch(read_from_chars(['A'], _138128), _139062, fail)), '$restore_trace'(_139080, _139082))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_139080, _139082))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _138128), _139062, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_138128)
   Fail: (211) [system] atomic(_138128)
   Call: (211) [system] atom_chars(_138128, ['A'])
   Exit: (211) [system] atom_chars('A', ['A'])
^  Exit: (210) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (210) [system] integer('A')
   Fail: (210) [system] integer('A')
   Call: (210) [system] _92400='A'
   Exit: (210) [system] 'A'='A'
^  Exit: (209) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (208) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (207) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (207) [user] read_list(')', (0x563acd73bee0), _153078)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _154936)
   Exit: (209) [system] peek_char((0x563acd73bee0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x563acd73bee0), _164530)
   Exit: (209) [system] get_char((0x563acd73bee0), ' ')
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _167234)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'B')
   Call: (210) [system] 'B'=(;)
   Fail: (210) [system] 'B'=(;)
   Call: (210) [system] 'B'=(/)
   Fail: (210) [system] 'B'=(/)
^  Call: (210) [user] is_like_space('B')
   Call: (211) [system] char_type('B', 'white')
   Fail: (211) [system] char_type('B', 'white')
   Call: (211) [system] char_type('B', end_of_line)
   Fail: (211) [system] char_type('B', end_of_line)
   Call: (211) [system] char_type('B', space)
   Fail: (211) [system] char_type('B', space)
   Call: (211) [system] char_type('B', cntrl)
   Fail: (211) [system] char_type('B', cntrl)
^  Fail: (210) [user] is_like_space('B')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _184168)
   Exit: (208) [system] peek_char((0x563acd73bee0), 'B')
   Call: (208) [system] 'B'=')'
   Fail: (208) [system] 'B'=')'
   Call: (208) [system] 'B'=end_of_file
   Fail: (208) [system] 'B'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x563acd73bee0), _189738)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _191596)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'B')
   Call: (210) [system] 'B'=(;)
   Fail: (210) [system] 'B'=(;)
   Call: (210) [system] 'B'=(/)
   Fail: (210) [system] 'B'=(/)
^  Call: (210) [user] is_like_space('B')
   Call: (211) [system] char_type('B', 'white')
   Fail: (211) [system] char_type('B', 'white')
   Call: (211) [system] char_type('B', end_of_line)
   Fail: (211) [system] char_type('B', end_of_line)
   Call: (211) [system] char_type('B', space)
   Fail: (211) [system] char_type('B', space)
   Call: (211) [system] char_type('B', cntrl)
   Fail: (211) [system] char_type('B', cntrl)
^  Fail: (210) [user] is_like_space('B')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] get_char((0x563acd73bee0), _207606)
   Exit: (209) [system] get_char((0x563acd73bee0), 'B')
   Call: (209) [system] 'B'='('
   Fail: (209) [system] 'B'='('
   Call: (209) [system] 'B'='['
   Fail: (209) [system] 'B'='['
   Call: (209) [system] 'B'='{'
   Fail: (209) [system] 'B'='{'
   Call: (209) [system] 'B'='"'
   Fail: (209) [system] 'B'='"'
   Call: (209) [system] 'B'=!
   Fail: (209) [system] 'B'=!
   Call: (209) [system] 'B'='\''
   Fail: (209) [system] 'B'='\''
   Call: (209) [system] 'B'='`'
   Fail: (209) [system] 'B'='`'
   Call: (209) [system] 'B'=end_of_file
   Fail: (209) [system] 'B'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x563acd73bee0), 'B', _189738)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _225248)
   Call: (211) [system] peek_char((0x563acd73bee0), _226182)
   Exit: (211) [system] peek_char((0x563acd73bee0), ')')
^  Call: (211) [user] is_delimiter(')')
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] arg(_230902, v('(', ')', end_of_file), ')')
   Exit: (212) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (211) [user] is_delimiter(')')
   Call: (211) [system] _225248=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (210) [user] classify_and_convert_charseq(['B'], _189738)
^  Call: (211) [user] classify_and_convert_charseq_(['B'], _237338)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_238290, _238292), once(user:catch(read_from_chars(['B'], _237338), _238272, fail)), '$restore_trace'(_238290, _238292))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_238290, _238292))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _237338), _238272, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_237338)
   Fail: (212) [system] atomic(_237338)
   Call: (212) [system] atom_chars(_237338, ['B'])
   Exit: (212) [system] atom_chars('B', ['B'])
^  Exit: (211) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (211) [system] integer('B')
   Fail: (211) [system] integer('B')
   Call: (211) [system] _189738='B'
   Exit: (211) [system] 'B'='B'
^  Exit: (210) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (209) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (208) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (208) [user] read_list(')', (0x563acd73bee0), _252288)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _254146)
   Exit: (210) [system] peek_char((0x563acd73bee0), ')')
   Call: (210) [system] ')'=(;)
   Fail: (210) [system] ')'=(;)
   Call: (210) [system] ')'=(/)
   Fail: (210) [system] ')'=(/)
^  Call: (210) [user] is_like_space(')')
   Call: (211) [system] char_type(')', 'white')
   Fail: (211) [system] char_type(')', 'white')
   Call: (211) [system] char_type(')', end_of_line)
   Fail: (211) [system] char_type(')', end_of_line)
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] char_type(')', cntrl)
   Fail: (211) [system] char_type(')', cntrl)
^  Fail: (210) [user] is_like_space(')')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _270156)
   Exit: (209) [system] peek_char((0x563acd73bee0), ')')
   Call: (209) [system] ')'=')'
   Exit: (209) [system] ')'=')'
   Call: (209) [system] get_char((0x563acd73bee0), _273946)
   Exit: (209) [system] get_char((0x563acd73bee0), ')')
   Call: (209) [system] _252288=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_list(')', (0x563acd73bee0), [])
   Call: (208) [system] _153078=['B']
   Exit: (208) [system] ['B']=['B']
^  Exit: (207) [user] read_list(')', (0x563acd73bee0), ['B'])
   Call: (207) [system] _55740=['A', 'B']
   Exit: (207) [system] ['A', 'B']=['A', 'B']
^  Exit: (206) [user] read_list(')', (0x563acd73bee0), ['A', 'B'])
   Call: (206) [system] _3734=['AndLink', 'A', 'B']
   Exit: (206) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (205) [user] read_list(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Exit: (204) [user] cont_sexpr(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Call: (204) [user] read_list(')', (0x563acd73bee0), _287828)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _289686)
   Exit: (206) [system] peek_char((0x563acd73bee0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
   Call: (206) [system] ' '=(/)
   Fail: (206) [system] ' '=(/)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x563acd73bee0), _299280)
   Exit: (206) [system] get_char((0x563acd73bee0), ' ')
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _301984)
   Exit: (207) [system] peek_char((0x563acd73bee0), 'C')
   Call: (207) [system] 'C'=(;)
   Fail: (207) [system] 'C'=(;)
   Call: (207) [system] 'C'=(/)
   Fail: (207) [system] 'C'=(/)
^  Call: (207) [user] is_like_space('C')
   Call: (208) [system] char_type('C', 'white')
   Fail: (208) [system] char_type('C', 'white')
   Call: (208) [system] char_type('C', end_of_line)
   Fail: (208) [system] char_type('C', end_of_line)
   Call: (208) [system] char_type('C', space)
   Fail: (208) [system] char_type('C', space)
   Call: (208) [system] char_type('C', cntrl)
   Fail: (208) [system] char_type('C', cntrl)
^  Fail: (207) [user] is_like_space('C')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _318918)
   Exit: (205) [system] peek_char((0x563acd73bee0), 'C')
   Call: (205) [system] 'C'=')'
   Fail: (205) [system] 'C'=')'
   Call: (205) [system] 'C'=end_of_file
   Fail: (205) [system] 'C'=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x563acd73bee0), _324488)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _326346)
   Exit: (207) [system] peek_char((0x563acd73bee0), 'C')
   Call: (207) [system] 'C'=(;)
   Fail: (207) [system] 'C'=(;)
   Call: (207) [system] 'C'=(/)
   Fail: (207) [system] 'C'=(/)
^  Call: (207) [user] is_like_space('C')
   Call: (208) [system] char_type('C', 'white')
   Fail: (208) [system] char_type('C', 'white')
   Call: (208) [system] char_type('C', end_of_line)
   Fail: (208) [system] char_type('C', end_of_line)
   Call: (208) [system] char_type('C', space)
   Fail: (208) [system] char_type('C', space)
   Call: (208) [system] char_type('C', cntrl)
   Fail: (208) [system] char_type('C', cntrl)
^  Fail: (207) [user] is_like_space('C')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] get_char((0x563acd73bee0), _342356)
   Exit: (206) [system] get_char((0x563acd73bee0), 'C')
   Call: (206) [system] 'C'='('
   Fail: (206) [system] 'C'='('
   Call: (206) [system] 'C'='['
   Fail: (206) [system] 'C'='['
   Call: (206) [system] 'C'='{'
   Fail: (206) [system] 'C'='{'
   Call: (206) [system] 'C'='"'
   Fail: (206) [system] 'C'='"'
   Call: (206) [system] 'C'=!
   Fail: (206) [system] 'C'=!
   Call: (206) [system] 'C'='\''
   Fail: (206) [system] 'C'='\''
   Call: (206) [system] 'C'='`'
   Fail: (206) [system] 'C'='`'
   Call: (206) [system] 'C'=end_of_file
   Fail: (206) [system] 'C'=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x563acd73bee0), 'C', _324488)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _359998)
   Call: (208) [system] peek_char((0x563acd73bee0), _360932)
   Exit: (208) [system] peek_char((0x563acd73bee0), ')')
^  Call: (208) [user] is_delimiter(')')
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] arg(_365652, v('(', ')', end_of_file), ')')
   Exit: (209) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (208) [user] is_delimiter(')')
   Call: (208) [system] _359998=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (207) [user] classify_and_convert_charseq(['C'], _324488)
^  Call: (208) [user] classify_and_convert_charseq_(['C'], _372088)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_373040, _373042), once(user:catch(read_from_chars(['C'], _372088), _373022, fail)), '$restore_trace'(_373040, _373042))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_373040, _373042))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _372088), _373022, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_372088)
   Fail: (209) [system] atomic(_372088)
   Call: (209) [system] atom_chars(_372088, ['C'])
   Exit: (209) [system] atom_chars('C', ['C'])
^  Exit: (208) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (208) [system] integer('C')
   Fail: (208) [system] integer('C')
   Call: (208) [system] _324488='C'
   Exit: (208) [system] 'C'='C'
^  Exit: (207) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (206) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (205) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (205) [user] read_list(')', (0x563acd73bee0), _387038)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _388896)
   Exit: (207) [system] peek_char((0x563acd73bee0), ')')
   Call: (207) [system] ')'=(;)
   Fail: (207) [system] ')'=(;)
   Call: (207) [system] ')'=(/)
   Fail: (207) [system] ')'=(/)
^  Call: (207) [user] is_like_space(')')
   Call: (208) [system] char_type(')', 'white')
   Fail: (208) [system] char_type(')', 'white')
   Call: (208) [system] char_type(')', end_of_line)
   Fail: (208) [system] char_type(')', end_of_line)
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] char_type(')', cntrl)
   Fail: (208) [system] char_type(')', cntrl)
^  Fail: (207) [user] is_like_space(')')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _404906)
   Exit: (206) [system] peek_char((0x563acd73bee0), ')')
   Call: (206) [system] ')'=')'
   Exit: (206) [system] ')'=')'
   Call: (206) [system] get_char((0x563acd73bee0), _408696)
   Exit: (206) [system] get_char((0x563acd73bee0), ')')
   Call: (206) [system] _387038=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_list(')', (0x563acd73bee0), [])
   Call: (205) [system] _287828=['C']
   Exit: (205) [system] ['C']=['C']
^  Exit: (204) [user] read_list(')', (0x563acd73bee0), ['C'])
   Call: (204) [system] _3730=[['AndLink', 'A', 'B'], 'C']
   Exit: (204) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (203) [user] read_list(')', (0x563acd73bee0), [['AndLink', 'A', 'B'], 'C'])
   Call: (203) [system] _3722=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (203) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (202) [user] read_list(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (201) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (201) [user] read_list(')', (0x563acd73bee0), _422578)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _424436)
   Exit: (203) [system] peek_char((0x563acd73bee0), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
   Call: (203) [system] ')'=(/)
   Fail: (203) [system] ')'=(/)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _440446)
   Exit: (202) [system] peek_char((0x563acd73bee0), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x563acd73bee0), _444236)
   Exit: (202) [system] get_char((0x563acd73bee0), ')')
   Call: (202) [system] _422578=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x563acd73bee0), [])
   Call: (201) [system] _3718=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (201) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (200) [system] _3676=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (200) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (199) [system] _3668=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (199) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (198) [user] read_list(')', (0x563acd73bee0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (197) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _458118)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _459976)
   Exit: (199) [system] peek_char((0x563acd73bee0), ')')
   Call: (199) [system] ')'=(;)
   Fail: (199) [system] ')'=(;)
   Call: (199) [system] ')'=(/)
   Fail: (199) [system] ')'=(/)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Fail: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Fail: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
   Fail: (200) [system] char_type(')', cntrl)
^  Fail: (199) [user] is_like_space(')')
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _475986)
   Exit: (198) [system] peek_char((0x563acd73bee0), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x563acd73bee0), _479776)
   Exit: (198) [system] get_char((0x563acd73bee0), ')')
   Call: (198) [system] _458118=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x563acd73bee0), [])
   Call: (197) [system] _3664=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (197) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (196) [user] read_list(')', (0x563acd73bee0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (196) [system] _3640=[['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (196) [system] [['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), [['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (195) [system] _3632=[:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (195) [system] [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (194) [user] read_list(')', (0x563acd73bee0), [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (193) [user] cont_sexpr(')', (0x563acd73bee0), [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (193) [user] read_list(')', (0x563acd73bee0), _493658)
^  Call: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _495516)
   Exit: (195) [system] peek_char((0x563acd73bee0), '\n')
   Call: (195) [system] '\n'=(;)
   Fail: (195) [system] '\n'=(;)
   Call: (195) [system] '\n'=(/)
   Fail: (195) [system] '\n'=(/)
^  Call: (195) [user] is_like_space('\n')
   Call: (196) [system] char_type('\n', 'white')
   Fail: (196) [system] char_type('\n', 'white')
   Call: (196) [system] char_type('\n', end_of_line)
   Exit: (196) [system] char_type('\n', end_of_line)
^  Exit: (195) [user] is_like_space('\n')
   Call: (195) [system] get_char((0x563acd73bee0), _506966)
   Exit: (195) [system] get_char((0x563acd73bee0), '\n')
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _509670)
   Exit: (196) [system] peek_char((0x563acd73bee0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
   Call: (196) [system] ' '=(/)
   Fail: (196) [system] ' '=(/)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x563acd73bee0), _519264)
   Exit: (196) [system] get_char((0x563acd73bee0), ' ')
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _521968)
   Exit: (197) [system] peek_char((0x563acd73bee0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
^  Exit: (194) [user] skip_spaces((0x563acd73bee0))
   Call: (194) [system] peek_char((0x563acd73bee0), _539826)
   Exit: (194) [system] peek_char((0x563acd73bee0), '(')
   Call: (194) [system] '('=')'
   Fail: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
   Fail: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x563acd73bee0), _545396)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _547254)
   Exit: (196) [system] peek_char((0x563acd73bee0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
   Call: (196) [system] '('=(/)
   Fail: (196) [system] '('=(/)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] get_char((0x563acd73bee0), _563264)
   Exit: (195) [system] get_char((0x563acd73bee0), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _545396)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _568834)
   Exit: (197) [system] peek_char((0x563acd73bee0), :)
   Call: (197) [system] (:)=(;)
   Fail: (197) [system] (:)=(;)
   Call: (197) [system] (:)=(/)
   Fail: (197) [system] (:)=(/)
^  Call: (197) [user] is_like_space(:)
   Call: (198) [system] char_type(:, 'white')
   Fail: (198) [system] char_type(:, 'white')
   Call: (198) [system] char_type(:, end_of_line)
   Fail: (198) [system] char_type(:, end_of_line)
   Call: (198) [system] char_type(:, space)
   Fail: (198) [system] char_type(:, space)
   Call: (198) [system] char_type(:, cntrl)
   Fail: (198) [system] char_type(:, cntrl)
^  Fail: (197) [user] is_like_space(:)
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _584844)
   Exit: (196) [system] peek_char((0x563acd73bee0), :)
   Call: (196) [system] (:)=')'
   Fail: (196) [system] (:)=')'
   Call: (196) [system] (:)=end_of_file
   Fail: (196) [system] (:)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x563acd73bee0), _590414)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _592272)
   Exit: (198) [system] peek_char((0x563acd73bee0), :)
   Call: (198) [system] (:)=(;)
   Fail: (198) [system] (:)=(;)
   Call: (198) [system] (:)=(/)
   Fail: (198) [system] (:)=(/)
^  Call: (198) [user] is_like_space(:)
   Call: (199) [system] char_type(:, 'white')
   Fail: (199) [system] char_type(:, 'white')
   Call: (199) [system] char_type(:, end_of_line)
   Fail: (199) [system] char_type(:, end_of_line)
   Call: (199) [system] char_type(:, space)
   Fail: (199) [system] char_type(:, space)
   Call: (199) [system] char_type(:, cntrl)
   Fail: (199) [system] char_type(:, cntrl)
^  Fail: (198) [user] is_like_space(:)
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] get_char((0x563acd73bee0), _608282)
   Exit: (197) [system] get_char((0x563acd73bee0), :)
   Call: (197) [system] (:)='('
   Fail: (197) [system] (:)='('
   Call: (197) [system] (:)='['
   Fail: (197) [system] (:)='['
   Call: (197) [system] (:)='{'
   Fail: (197) [system] (:)='{'
   Call: (197) [system] (:)='"'
   Fail: (197) [system] (:)='"'
   Call: (197) [system] (:)=!
   Fail: (197) [system] (:)=!
   Call: (197) [system] (:)='\''
   Fail: (197) [system] (:)='\''
   Call: (197) [system] (:)='`'
   Fail: (197) [system] (:)='`'
   Call: (197) [system] (:)=end_of_file
   Fail: (197) [system] (:)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x563acd73bee0), :, _590414)
^  Call: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), _625924)
   Call: (199) [system] peek_char((0x563acd73bee0), _626858)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (199) [user] is_delimiter(' ')
   Call: (200) [system] char_type(' ', space)
   Exit: (200) [system] char_type(' ', space)
^  Exit: (199) [user] is_delimiter(' ')
   Call: (199) [system] _625924=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (198) [user] classify_and_convert_charseq([:], _590414)
^  Call: (199) [user] classify_and_convert_charseq_([:], _636142)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_637094, _637096), once(user:catch(read_from_chars([:], _636142), _637076, fail)), '$restore_trace'(_637094, _637096))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_637094, _637096))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _637076, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(:)
   Exit: (200) [system] atomic(:)
^  Exit: (199) [user] classify_and_convert_charseq_([:], :)
   Call: (199) [system] integer(:)
   Fail: (199) [system] integer(:)
   Call: (199) [system] _590414=(:)
   Exit: (199) [system] (:)=(:)
^  Exit: (198) [user] classify_and_convert_charseq([:], :)
^  Exit: (197) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (196) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (196) [user] read_list(')', (0x563acd73bee0), _649222)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _651080)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x563acd73bee0), _660674)
   Exit: (198) [system] get_char((0x563acd73bee0), ' ')
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _663378)
   Exit: (199) [system] peek_char((0x563acd73bee0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _680312)
   Exit: (197) [system] peek_char((0x563acd73bee0), '(')
   Call: (197) [system] '('=')'
   Fail: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
   Fail: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x563acd73bee0), _685882)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _687740)
   Exit: (199) [system] peek_char((0x563acd73bee0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] get_char((0x563acd73bee0), _703750)
   Exit: (198) [system] get_char((0x563acd73bee0), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _685882)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _709320)
   Exit: (200) [system] peek_char((0x563acd73bee0), 'D')
   Call: (200) [system] 'D'=(;)
   Fail: (200) [system] 'D'=(;)
   Call: (200) [system] 'D'=(/)
   Fail: (200) [system] 'D'=(/)
^  Call: (200) [user] is_like_space('D')
   Call: (201) [system] char_type('D', 'white')
   Fail: (201) [system] char_type('D', 'white')
   Call: (201) [system] char_type('D', end_of_line)
   Fail: (201) [system] char_type('D', end_of_line)
   Call: (201) [system] char_type('D', space)
   Fail: (201) [system] char_type('D', space)
   Call: (201) [system] char_type('D', cntrl)
   Fail: (201) [system] char_type('D', cntrl)
^  Fail: (200) [user] is_like_space('D')
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _725330)
   Exit: (199) [system] peek_char((0x563acd73bee0), 'D')
   Call: (199) [system] 'D'=')'
   Fail: (199) [system] 'D'=')'
   Call: (199) [system] 'D'=end_of_file
   Fail: (199) [system] 'D'=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x563acd73bee0), _730900)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _732758)
   Exit: (201) [system] peek_char((0x563acd73bee0), 'D')
   Call: (201) [system] 'D'=(;)
   Fail: (201) [system] 'D'=(;)
   Call: (201) [system] 'D'=(/)
   Fail: (201) [system] 'D'=(/)
^  Call: (201) [user] is_like_space('D')
   Call: (202) [system] char_type('D', 'white')
   Fail: (202) [system] char_type('D', 'white')
   Call: (202) [system] char_type('D', end_of_line)
   Fail: (202) [system] char_type('D', end_of_line)
   Call: (202) [system] char_type('D', space)
   Fail: (202) [system] char_type('D', space)
   Call: (202) [system] char_type('D', cntrl)
   Fail: (202) [system] char_type('D', cntrl)
^  Fail: (201) [user] is_like_space('D')
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] get_char((0x563acd73bee0), _748768)
   Exit: (200) [system] get_char((0x563acd73bee0), 'D')
   Call: (200) [system] 'D'='('
   Fail: (200) [system] 'D'='('
   Call: (200) [system] 'D'='['
   Fail: (200) [system] 'D'='['
   Call: (200) [system] 'D'='{'
   Fail: (200) [system] 'D'='{'
   Call: (200) [system] 'D'='"'
   Fail: (200) [system] 'D'='"'
   Call: (200) [system] 'D'=!
   Fail: (200) [system] 'D'=!
   Call: (200) [system] 'D'='\''
   Fail: (200) [system] 'D'='\''
   Call: (200) [system] 'D'='`'
   Fail: (200) [system] 'D'='`'
   Call: (200) [system] 'D'=end_of_file
   Fail: (200) [system] 'D'=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x563acd73bee0), 'D', _730900)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _766410)
   Call: (202) [system] peek_char((0x563acd73bee0), _767344)
   Exit: (202) [system] peek_char((0x563acd73bee0), i)
^  Call: (202) [user] is_delimiter(i)
   Call: (203) [system] char_type(i, space)
   Fail: (203) [system] char_type(i, space)
   Call: (203) [system] arg(_772064, v('(', ')', end_of_file), i)
   Fail: (203) [system] arg(_772996, v('(', ')', end_of_file), i)
^  Fail: (202) [user] is_delimiter(i)
   Call: (202) [system] ')'==i
   Fail: (202) [system] ')'==i
   Call: (202) [system] get_char((0x563acd73bee0), i)
   Exit: (202) [system] get_char((0x563acd73bee0), i)
   Call: (202) [system] i=(\)
   Fail: (202) [system] i=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _780346)
   Call: (203) [system] peek_char((0x563acd73bee0), _781280)
   Exit: (203) [system] peek_char((0x563acd73bee0), s)
^  Call: (203) [user] is_delimiter(s)
   Call: (204) [system] char_type(s, space)
   Fail: (204) [system] char_type(s, space)
   Call: (204) [system] arg(_786000, v('(', ')', end_of_file), s)
   Fail: (204) [system] arg(_786932, v('(', ')', end_of_file), s)
^  Fail: (203) [user] is_delimiter(s)
   Call: (203) [system] ')'==s
   Fail: (203) [system] ')'==s
   Call: (203) [system] get_char((0x563acd73bee0), s)
   Exit: (203) [system] get_char((0x563acd73bee0), s)
   Call: (203) [system] s=(\)
   Fail: (203) [system] s=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _794282)
   Call: (204) [system] peek_char((0x563acd73bee0), _795216)
   Exit: (204) [system] peek_char((0x563acd73bee0), j)
^  Call: (204) [user] is_delimiter(j)
   Call: (205) [system] char_type(j, space)
   Fail: (205) [system] char_type(j, space)
   Call: (205) [system] arg(_799936, v('(', ')', end_of_file), j)
   Fail: (205) [system] arg(_800868, v('(', ')', end_of_file), j)
^  Fail: (204) [user] is_delimiter(j)
   Call: (204) [system] ')'==j
   Fail: (204) [system] ')'==j
   Call: (204) [system] get_char((0x563acd73bee0), j)
   Exit: (204) [system] get_char((0x563acd73bee0), j)
   Call: (204) [system] j=(\)
   Fail: (204) [system] j=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _808218)
   Call: (205) [system] peek_char((0x563acd73bee0), _809152)
   Exit: (205) [system] peek_char((0x563acd73bee0), u)
^  Call: (205) [user] is_delimiter(u)
   Call: (206) [system] char_type(u, space)
   Fail: (206) [system] char_type(u, space)
   Call: (206) [system] arg(_813872, v('(', ')', end_of_file), u)
   Fail: (206) [system] arg(_814804, v('(', ')', end_of_file), u)
^  Fail: (205) [user] is_delimiter(u)
   Call: (205) [system] ')'==u
   Fail: (205) [system] ')'==u
   Call: (205) [system] get_char((0x563acd73bee0), u)
   Exit: (205) [system] get_char((0x563acd73bee0), u)
   Call: (205) [system] u=(\)
   Fail: (205) [system] u=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _822154)
   Call: (206) [system] peek_char((0x563acd73bee0), _823088)
   Exit: (206) [system] peek_char((0x563acd73bee0), n)
^  Call: (206) [user] is_delimiter(n)
   Call: (207) [system] char_type(n, space)
   Fail: (207) [system] char_type(n, space)
   Call: (207) [system] arg(_827808, v('(', ')', end_of_file), n)
   Fail: (207) [system] arg(_828740, v('(', ')', end_of_file), n)
^  Fail: (206) [user] is_delimiter(n)
   Call: (206) [system] ')'==n
   Fail: (206) [system] ')'==n
   Call: (206) [system] get_char((0x563acd73bee0), n)
   Exit: (206) [system] get_char((0x563acd73bee0), n)
   Call: (206) [system] n=(\)
   Fail: (206) [system] n=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _836090)
   Call: (207) [system] peek_char((0x563acd73bee0), _837024)
   Exit: (207) [system] peek_char((0x563acd73bee0), c)
^  Call: (207) [user] is_delimiter(c)
   Call: (208) [system] char_type(c, space)
   Fail: (208) [system] char_type(c, space)
   Call: (208) [system] arg(_841744, v('(', ')', end_of_file), c)
   Fail: (208) [system] arg(_842676, v('(', ')', end_of_file), c)
^  Fail: (207) [user] is_delimiter(c)
   Call: (207) [system] ')'==c
   Fail: (207) [system] ')'==c
   Call: (207) [system] get_char((0x563acd73bee0), c)
   Exit: (207) [system] get_char((0x563acd73bee0), c)
   Call: (207) [system] c=(\)
   Fail: (207) [system] c=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _850026)
   Call: (208) [system] peek_char((0x563acd73bee0), _850960)
   Exit: (208) [system] peek_char((0x563acd73bee0), t)
^  Call: (208) [user] is_delimiter(t)
   Call: (209) [system] char_type(t, space)
   Fail: (209) [system] char_type(t, space)
   Call: (209) [system] arg(_855680, v('(', ')', end_of_file), t)
   Fail: (209) [system] arg(_856612, v('(', ')', end_of_file), t)
^  Fail: (208) [user] is_delimiter(t)
   Call: (208) [system] ')'==t
   Fail: (208) [system] ')'==t
   Call: (208) [system] get_char((0x563acd73bee0), t)
   Exit: (208) [system] get_char((0x563acd73bee0), t)
   Call: (208) [system] t=(\)
   Fail: (208) [system] t=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _863962)
   Call: (209) [system] peek_char((0x563acd73bee0), _864896)
   Exit: (209) [system] peek_char((0x563acd73bee0), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_869616, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_870548, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x563acd73bee0), i)
   Exit: (209) [system] get_char((0x563acd73bee0), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _877898)
   Call: (210) [system] peek_char((0x563acd73bee0), _878832)
   Exit: (210) [system] peek_char((0x563acd73bee0), o)
^  Call: (210) [user] is_delimiter(o)
   Call: (211) [system] char_type(o, space)
   Fail: (211) [system] char_type(o, space)
   Call: (211) [system] arg(_883552, v('(', ')', end_of_file), o)
   Fail: (211) [system] arg(_884484, v('(', ')', end_of_file), o)
^  Fail: (210) [user] is_delimiter(o)
   Call: (210) [system] ')'==o
   Fail: (210) [system] ')'==o
   Call: (210) [system] get_char((0x563acd73bee0), o)
   Exit: (210) [system] get_char((0x563acd73bee0), o)
   Call: (210) [system] o=(\)
   Fail: (210) [system] o=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _891834)
   Call: (211) [system] peek_char((0x563acd73bee0), _892768)
   Exit: (211) [system] peek_char((0x563acd73bee0), n)
^  Call: (211) [user] is_delimiter(n)
   Call: (212) [system] char_type(n, space)
   Fail: (212) [system] char_type(n, space)
   Call: (212) [system] arg(_897488, v('(', ')', end_of_file), n)
   Fail: (212) [system] arg(_898420, v('(', ')', end_of_file), n)
^  Fail: (211) [user] is_delimiter(n)
   Call: (211) [system] ')'==n
   Fail: (211) [system] ')'==n
   Call: (211) [system] get_char((0x563acd73bee0), n)
   Exit: (211) [system] get_char((0x563acd73bee0), n)
   Call: (211) [system] n=(\)
   Fail: (211) [system] n=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _905770)
   Call: (212) [system] peek_char((0x563acd73bee0), _906704)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'I')
^  Call: (212) [user] is_delimiter('I')
   Call: (213) [system] char_type('I', space)
   Fail: (213) [system] char_type('I', space)
   Call: (213) [system] arg(_911424, v('(', ')', end_of_file), 'I')
   Fail: (213) [system] arg(_912356, v('(', ')', end_of_file), 'I')
^  Fail: (212) [user] is_delimiter('I')
   Call: (212) [system] ')'=='I'
   Fail: (212) [system] ')'=='I'
   Call: (212) [system] get_char((0x563acd73bee0), 'I')
   Exit: (212) [system] get_char((0x563acd73bee0), 'I')
   Call: (212) [system] 'I'=(\)
   Fail: (212) [system] 'I'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _919706)
   Call: (213) [system] peek_char((0x563acd73bee0), _920640)
   Exit: (213) [system] peek_char((0x563acd73bee0), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_925360, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_926292, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x563acd73bee0), n)
   Exit: (213) [system] get_char((0x563acd73bee0), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _933642)
   Call: (214) [system] peek_char((0x563acd73bee0), _934576)
   Exit: (214) [system] peek_char((0x563acd73bee0), t)
^  Call: (214) [user] is_delimiter(t)
   Call: (215) [system] char_type(t, space)
   Fail: (215) [system] char_type(t, space)
   Call: (215) [system] arg(_939296, v('(', ')', end_of_file), t)
   Fail: (215) [system] arg(_940228, v('(', ')', end_of_file), t)
^  Fail: (214) [user] is_delimiter(t)
   Call: (214) [system] ')'==t
   Fail: (214) [system] ')'==t
   Call: (214) [system] get_char((0x563acd73bee0), t)
   Exit: (214) [system] get_char((0x563acd73bee0), t)
   Call: (214) [system] t=(\)
   Fail: (214) [system] t=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _947578)
   Call: (215) [system] peek_char((0x563acd73bee0), _948512)
   Exit: (215) [system] peek_char((0x563acd73bee0), r)
^  Call: (215) [user] is_delimiter(r)
   Call: (216) [system] char_type(r, space)
   Fail: (216) [system] char_type(r, space)
   Call: (216) [system] arg(_953232, v('(', ')', end_of_file), r)
   Fail: (216) [system] arg(_954164, v('(', ')', end_of_file), r)
^  Fail: (215) [user] is_delimiter(r)
   Call: (215) [system] ')'==r
   Fail: (215) [system] ')'==r
   Call: (215) [system] get_char((0x563acd73bee0), r)
   Exit: (215) [system] get_char((0x563acd73bee0), r)
   Call: (215) [system] r=(\)
   Fail: (215) [system] r=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _961514)
   Call: (216) [system] peek_char((0x563acd73bee0), _962448)
   Exit: (216) [system] peek_char((0x563acd73bee0), o)
^  Call: (216) [user] is_delimiter(o)
   Call: (217) [system] char_type(o, space)
   Fail: (217) [system] char_type(o, space)
   Call: (217) [system] arg(_967168, v('(', ')', end_of_file), o)
   Fail: (217) [system] arg(_968100, v('(', ')', end_of_file), o)
^  Fail: (216) [user] is_delimiter(o)
   Call: (216) [system] ')'==o
   Fail: (216) [system] ')'==o
   Call: (216) [system] get_char((0x563acd73bee0), o)
   Exit: (216) [system] get_char((0x563acd73bee0), o)
   Call: (216) [system] o=(\)
   Fail: (216) [system] o=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _975450)
   Call: (217) [system] peek_char((0x563acd73bee0), _976384)
   Exit: (217) [system] peek_char((0x563acd73bee0), d)
^  Call: (217) [user] is_delimiter(d)
   Call: (218) [system] char_type(d, space)
   Fail: (218) [system] char_type(d, space)
   Call: (218) [system] arg(_981104, v('(', ')', end_of_file), d)
   Fail: (218) [system] arg(_982036, v('(', ')', end_of_file), d)
^  Fail: (217) [user] is_delimiter(d)
   Call: (217) [system] ')'==d
   Fail: (217) [system] ')'==d
   Call: (217) [system] get_char((0x563acd73bee0), d)
   Exit: (217) [system] get_char((0x563acd73bee0), d)
   Call: (217) [system] d=(\)
   Fail: (217) [system] d=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _989386)
   Call: (218) [system] peek_char((0x563acd73bee0), _990320)
   Exit: (218) [system] peek_char((0x563acd73bee0), u)
^  Call: (218) [user] is_delimiter(u)
   Call: (219) [system] char_type(u, space)
   Fail: (219) [system] char_type(u, space)
   Call: (219) [system] arg(_995040, v('(', ')', end_of_file), u)
   Fail: (219) [system] arg(_995972, v('(', ')', end_of_file), u)
^  Fail: (218) [user] is_delimiter(u)
   Call: (218) [system] ')'==u
   Fail: (218) [system] ')'==u
   Call: (218) [system] get_char((0x563acd73bee0), u)
   Exit: (218) [system] get_char((0x563acd73bee0), u)
   Call: (218) [system] u=(\)
   Fail: (218) [system] u=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _1003322)
   Call: (219) [system] peek_char((0x563acd73bee0), _1004256)
   Exit: (219) [system] peek_char((0x563acd73bee0), c)
^  Call: (219) [user] is_delimiter(c)
   Call: (220) [system] char_type(c, space)
   Fail: (220) [system] char_type(c, space)
   Call: (220) [system] arg(_1008976, v('(', ')', end_of_file), c)
   Fail: (220) [system] arg(_1009908, v('(', ')', end_of_file), c)
^  Fail: (219) [user] is_delimiter(c)
   Call: (219) [system] ')'==c
   Fail: (219) [system] ')'==c
   Call: (219) [system] get_char((0x563acd73bee0), c)
   Exit: (219) [system] get_char((0x563acd73bee0), c)
   Call: (219) [system] c=(\)
   Fail: (219) [system] c=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _1017258)
   Call: (220) [system] peek_char((0x563acd73bee0), _1018192)
   Exit: (220) [system] peek_char((0x563acd73bee0), t)
^  Call: (220) [user] is_delimiter(t)
   Call: (221) [system] char_type(t, space)
   Fail: (221) [system] char_type(t, space)
   Call: (221) [system] arg(_1022912, v('(', ')', end_of_file), t)
   Fail: (221) [system] arg(_1023844, v('(', ')', end_of_file), t)
^  Fail: (220) [user] is_delimiter(t)
   Call: (220) [system] ')'==t
   Fail: (220) [system] ')'==t
   Call: (220) [system] get_char((0x563acd73bee0), t)
   Exit: (220) [system] get_char((0x563acd73bee0), t)
   Call: (220) [system] t=(\)
   Fail: (220) [system] t=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _1031194)
   Call: (221) [system] peek_char((0x563acd73bee0), _1032128)
   Exit: (221) [system] peek_char((0x563acd73bee0), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_1036848, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_1037780, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x563acd73bee0), i)
   Exit: (221) [system] get_char((0x563acd73bee0), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _1045130)
   Call: (222) [system] peek_char((0x563acd73bee0), _1046064)
   Exit: (222) [system] peek_char((0x563acd73bee0), o)
^  Call: (222) [user] is_delimiter(o)
   Call: (223) [system] char_type(o, space)
   Fail: (223) [system] char_type(o, space)
   Call: (223) [system] arg(_1050784, v('(', ')', end_of_file), o)
   Fail: (223) [system] arg(_1051716, v('(', ')', end_of_file), o)
^  Fail: (222) [user] is_delimiter(o)
   Call: (222) [system] ')'==o
   Fail: (222) [system] ')'==o
   Call: (222) [system] get_char((0x563acd73bee0), o)
   Exit: (222) [system] get_char((0x563acd73bee0), o)
   Call: (222) [system] o=(\)
   Fail: (222) [system] o=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _1059066)
   Call: (223) [system] peek_char((0x563acd73bee0), _1060000)
   Exit: (223) [system] peek_char((0x563acd73bee0), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_1064720, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_1065652, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x563acd73bee0), n)
   Exit: (223) [system] get_char((0x563acd73bee0), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _1073002)
   Call: (224) [system] peek_char((0x563acd73bee0), _1073936)
   Exit: (224) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _1073002=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (223) [system] _1059066=[n]
   Exit: (223) [system] [n]=[n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (222) [system] _1045130=[o, n]
   Exit: (222) [system] [o, n]=[o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (221) [system] _1031194=[i, o, n]
   Exit: (221) [system] [i, o, n]=[i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (220) [system] _1017258=[t, i, o, n]
   Exit: (220) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (219) [system] _1003322=[c, t, i, o, n]
   Exit: (219) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n])
   Call: (218) [system] _989386=[u, c, t, i, o, n]
   Exit: (218) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, i, o, n])
   Call: (217) [system] _975450=[d, u, c, t, i, o, n]
   Exit: (217) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, u, c, t, i, o, n])
   Call: (216) [system] _961514=[o, d, u, c, t, i, o, n]
   Exit: (216) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, d, u, c, t, i, o, n])
   Call: (215) [system] _947578=[r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _933642=[t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _919706=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _905770=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _891834=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _877898=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _863962=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _850026=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (207) [system] _836090=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (207) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (206) [system] _822154=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (206) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (205) [system] _808218=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (205) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (204) [system] _794282=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (204) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (203) [system] _780346=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (203) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (202) [system] _766410=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (202) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (201) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _730900)
^  Call: (202) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1144688)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_1145640, _1145642), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1144688), _1145622, fail)), '$restore_trace'(_1145640, _1145642))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_1145640, _1145642))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1144688), _1145622, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(_1144688)
   Fail: (203) [system] atomic(_1144688)
   Call: (203) [system] atom_chars(_1144688, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (203) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (202) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (202) [system] integer('DisjunctionIntroduction')
   Fail: (202) [system] integer('DisjunctionIntroduction')
   Call: (202) [system] _730900='DisjunctionIntroduction'
   Exit: (202) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (201) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (200) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'DisjunctionIntroduction')
^  Exit: (199) [user] cont_sexpr(')', (0x563acd73bee0), 'DisjunctionIntroduction')
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _1159638)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1161496)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _1171090)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1173794)
   Exit: (202) [system] peek_char((0x563acd73bee0), a)
   Call: (202) [system] a=(;)
   Fail: (202) [system] a=(;)
   Call: (202) [system] a=(/)
   Fail: (202) [system] a=(/)
^  Call: (202) [user] is_like_space(a)
   Call: (203) [system] char_type(a, 'white')
   Fail: (203) [system] char_type(a, 'white')
   Call: (203) [system] char_type(a, end_of_line)
   Fail: (203) [system] char_type(a, end_of_line)
   Call: (203) [system] char_type(a, space)
   Fail: (203) [system] char_type(a, space)
   Call: (203) [system] char_type(a, cntrl)
   Fail: (203) [system] char_type(a, cntrl)
^  Fail: (202) [user] is_like_space(a)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1190728)
   Exit: (200) [system] peek_char((0x563acd73bee0), a)
   Call: (200) [system] a=')'
   Fail: (200) [system] a=')'
   Call: (200) [system] a=end_of_file
   Fail: (200) [system] a=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x563acd73bee0), _1196298)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1198156)
   Exit: (202) [system] peek_char((0x563acd73bee0), a)
   Call: (202) [system] a=(;)
   Fail: (202) [system] a=(;)
   Call: (202) [system] a=(/)
   Fail: (202) [system] a=(/)
^  Call: (202) [user] is_like_space(a)
   Call: (203) [system] char_type(a, 'white')
   Fail: (203) [system] char_type(a, 'white')
   Call: (203) [system] char_type(a, end_of_line)
   Fail: (203) [system] char_type(a, end_of_line)
   Call: (203) [system] char_type(a, space)
   Fail: (203) [system] char_type(a, space)
   Call: (203) [system] char_type(a, cntrl)
   Fail: (203) [system] char_type(a, cntrl)
^  Fail: (202) [user] is_like_space(a)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] get_char((0x563acd73bee0), _1214166)
   Exit: (201) [system] get_char((0x563acd73bee0), a)
   Call: (201) [system] a='('
   Fail: (201) [system] a='('
   Call: (201) [system] a='['
   Fail: (201) [system] a='['
   Call: (201) [system] a='{'
   Fail: (201) [system] a='{'
   Call: (201) [system] a='"'
   Fail: (201) [system] a='"'
   Call: (201) [system] a=!
   Fail: (201) [system] a=!
   Call: (201) [system] a='\''
   Fail: (201) [system] a='\''
   Call: (201) [system] a='`'
   Fail: (201) [system] a='`'
   Call: (201) [system] a=end_of_file
   Fail: (201) [system] a=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x563acd73bee0), a, _1196298)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1231808)
   Call: (203) [system] peek_char((0x563acd73bee0), _1232742)
   Exit: (203) [system] peek_char((0x563acd73bee0), b)
^  Call: (203) [user] is_delimiter(b)
   Call: (204) [system] char_type(b, space)
   Fail: (204) [system] char_type(b, space)
   Call: (204) [system] arg(_1237462, v('(', ')', end_of_file), b)
   Fail: (204) [system] arg(_1238394, v('(', ')', end_of_file), b)
^  Fail: (203) [user] is_delimiter(b)
   Call: (203) [system] ')'==b
   Fail: (203) [system] ')'==b
   Call: (203) [system] get_char((0x563acd73bee0), b)
   Exit: (203) [system] get_char((0x563acd73bee0), b)
   Call: (203) [system] b=(\)
   Fail: (203) [system] b=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1245744)
   Call: (204) [system] peek_char((0x563acd73bee0), _1246678)
   Exit: (204) [system] peek_char((0x563acd73bee0), c)
^  Call: (204) [user] is_delimiter(c)
   Call: (205) [system] char_type(c, space)
   Fail: (205) [system] char_type(c, space)
   Call: (205) [system] arg(_1251398, v('(', ')', end_of_file), c)
   Fail: (205) [system] arg(_1252330, v('(', ')', end_of_file), c)
^  Fail: (204) [user] is_delimiter(c)
   Call: (204) [system] ')'==c
   Fail: (204) [system] ')'==c
   Call: (204) [system] get_char((0x563acd73bee0), c)
   Exit: (204) [system] get_char((0x563acd73bee0), c)
   Call: (204) [system] c=(\)
   Fail: (204) [system] c=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1259680)
   Call: (205) [system] peek_char((0x563acd73bee0), _1260614)
   Exit: (205) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _1259680=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (204) [system] _1245744=[c]
   Exit: (204) [system] [c]=[c]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [c])
   Call: (203) [system] _1231808=[b, c]
   Exit: (203) [system] [b, c]=[b, c]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [b, c])
^  Call: (202) [user] classify_and_convert_charseq([a, b, c], _1196298)
^  Call: (203) [user] classify_and_convert_charseq_([a, b, c], _1275486)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_1276438, _1276440), once(user:catch(read_from_chars([a, b, c], _1275486), _1276420, fail)), '$restore_trace'(_1276438, _1276440))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_1276438, _1276440))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1276420, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(abc)
   Exit: (204) [system] atomic(abc)
^  Exit: (203) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (203) [system] integer(abc)
   Fail: (203) [system] integer(abc)
   Call: (203) [system] _1196298=abc
   Exit: (203) [system] abc=abc
^  Exit: (202) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (201) [user] read_symbolic(')', (0x563acd73bee0), a, abc)
^  Exit: (200) [user] cont_sexpr(')', (0x563acd73bee0), abc)
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _1288566)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1290424)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x563acd73bee0), _1300018)
   Exit: (202) [system] get_char((0x563acd73bee0), ' ')
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1302722)
   Exit: (203) [system] peek_char((0x563acd73bee0), a)
   Call: (203) [system] a=(;)
   Fail: (203) [system] a=(;)
   Call: (203) [system] a=(/)
   Fail: (203) [system] a=(/)
^  Call: (203) [user] is_like_space(a)
   Call: (204) [system] char_type(a, 'white')
   Fail: (204) [system] char_type(a, 'white')
   Call: (204) [system] char_type(a, end_of_line)
   Fail: (204) [system] char_type(a, end_of_line)
   Call: (204) [system] char_type(a, space)
   Fail: (204) [system] char_type(a, space)
   Call: (204) [system] char_type(a, cntrl)
   Fail: (204) [system] char_type(a, cntrl)
^  Fail: (203) [user] is_like_space(a)
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1319656)
   Exit: (201) [system] peek_char((0x563acd73bee0), a)
   Call: (201) [system] a=')'
   Fail: (201) [system] a=')'
   Call: (201) [system] a=end_of_file
   Fail: (201) [system] a=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x563acd73bee0), _1325226)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1327084)
   Exit: (203) [system] peek_char((0x563acd73bee0), a)
   Call: (203) [system] a=(;)
   Fail: (203) [system] a=(;)
   Call: (203) [system] a=(/)
   Fail: (203) [system] a=(/)
^  Call: (203) [user] is_like_space(a)
   Call: (204) [system] char_type(a, 'white')
   Fail: (204) [system] char_type(a, 'white')
   Call: (204) [system] char_type(a, end_of_line)
   Fail: (204) [system] char_type(a, end_of_line)
   Call: (204) [system] char_type(a, space)
   Fail: (204) [system] char_type(a, space)
   Call: (204) [system] char_type(a, cntrl)
   Fail: (204) [system] char_type(a, cntrl)
^  Fail: (203) [user] is_like_space(a)
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] get_char((0x563acd73bee0), _1343094)
   Exit: (202) [system] get_char((0x563acd73bee0), a)
   Call: (202) [system] a='('
   Fail: (202) [system] a='('
   Call: (202) [system] a='['
   Fail: (202) [system] a='['
   Call: (202) [system] a='{'
   Fail: (202) [system] a='{'
   Call: (202) [system] a='"'
   Fail: (202) [system] a='"'
   Call: (202) [system] a=!
   Fail: (202) [system] a=!
   Call: (202) [system] a='\''
   Fail: (202) [system] a='\''
   Call: (202) [system] a='`'
   Fail: (202) [system] a='`'
   Call: (202) [system] a=end_of_file
   Fail: (202) [system] a=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x563acd73bee0), a, _1325226)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1360736)
   Call: (204) [system] peek_char((0x563acd73bee0), _1361670)
   Exit: (204) [system] peek_char((0x563acd73bee0), ')')
^  Call: (204) [user] is_delimiter(')')
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] arg(_1366390, v('(', ')', end_of_file), ')')
   Exit: (205) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (204) [user] is_delimiter(')')
   Call: (204) [system] _1360736=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (203) [user] classify_and_convert_charseq([a], _1325226)
^  Call: (204) [user] classify_and_convert_charseq_([a], _1372826)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_1373778, _1373780), once(user:catch(read_from_chars([a], _1372826), _1373760, fail)), '$restore_trace'(_1373778, _1373780))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_1373778, _1373780))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1373760, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(a)
   Exit: (205) [system] atomic(a)
^  Exit: (204) [user] classify_and_convert_charseq_([a], a)
   Call: (204) [system] integer(a)
   Fail: (204) [system] integer(a)
   Call: (204) [system] _1325226=a
   Exit: (204) [system] a=a
^  Exit: (203) [user] classify_and_convert_charseq([a], a)
^  Exit: (202) [user] read_symbolic(')', (0x563acd73bee0), a, a)
^  Exit: (201) [user] cont_sexpr(')', (0x563acd73bee0), a)
^  Call: (201) [user] read_list(')', (0x563acd73bee0), _1385906)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1387764)
   Exit: (203) [system] peek_char((0x563acd73bee0), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
   Call: (203) [system] ')'=(/)
   Fail: (203) [system] ')'=(/)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1403774)
   Exit: (202) [system] peek_char((0x563acd73bee0), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x563acd73bee0), _1407564)
   Exit: (202) [system] get_char((0x563acd73bee0), ')')
   Call: (202) [system] _1385906=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x563acd73bee0), [])
   Call: (201) [system] _1288566=[a]
   Exit: (201) [system] [a]=[a]
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), [a])
   Call: (200) [system] _1159638=[abc, a]
   Exit: (200) [system] [abc, a]=[abc, a]
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), [abc, a])
   Call: (199) [system] _685882=['DisjunctionIntroduction', abc, a]
   Exit: (199) [system] ['DisjunctionIntroduction', abc, a]=['DisjunctionIntroduction', abc, a]
^  Exit: (198) [user] read_list(')', (0x563acd73bee0), ['DisjunctionIntroduction', abc, a])
^  Exit: (197) [user] cont_sexpr(')', (0x563acd73bee0), ['DisjunctionIntroduction', abc, a])
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _1421446)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1423304)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x563acd73bee0), _1432898)
   Exit: (199) [system] get_char((0x563acd73bee0), ' ')
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1435602)
   Exit: (200) [system] peek_char((0x563acd73bee0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1452536)
   Exit: (198) [system] peek_char((0x563acd73bee0), '(')
   Call: (198) [system] '('=')'
   Fail: (198) [system] '('=')'
   Call: (198) [system] '('=end_of_file
   Fail: (198) [system] '('=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x563acd73bee0), _1458106)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1459964)
   Exit: (200) [system] peek_char((0x563acd73bee0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] get_char((0x563acd73bee0), _1475974)
   Exit: (199) [system] get_char((0x563acd73bee0), '(')
   Call: (199) [system] '('='('
   Exit: (199) [system] '('='('
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _1458106)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1481544)
   Exit: (201) [system] peek_char((0x563acd73bee0), 'O')
   Call: (201) [system] 'O'=(;)
   Fail: (201) [system] 'O'=(;)
   Call: (201) [system] 'O'=(/)
   Fail: (201) [system] 'O'=(/)
^  Call: (201) [user] is_like_space('O')
   Call: (202) [system] char_type('O', 'white')
   Fail: (202) [system] char_type('O', 'white')
   Call: (202) [system] char_type('O', end_of_line)
   Fail: (202) [system] char_type('O', end_of_line)
   Call: (202) [system] char_type('O', space)
   Fail: (202) [system] char_type('O', space)
   Call: (202) [system] char_type('O', cntrl)
   Fail: (202) [system] char_type('O', cntrl)
^  Fail: (201) [user] is_like_space('O')
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1497554)
   Exit: (200) [system] peek_char((0x563acd73bee0), 'O')
   Call: (200) [system] 'O'=')'
   Fail: (200) [system] 'O'=')'
   Call: (200) [system] 'O'=end_of_file
   Fail: (200) [system] 'O'=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x563acd73bee0), _1503124)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1504982)
   Exit: (202) [system] peek_char((0x563acd73bee0), 'O')
   Call: (202) [system] 'O'=(;)
   Fail: (202) [system] 'O'=(;)
   Call: (202) [system] 'O'=(/)
   Fail: (202) [system] 'O'=(/)
^  Call: (202) [user] is_like_space('O')
   Call: (203) [system] char_type('O', 'white')
   Fail: (203) [system] char_type('O', 'white')
   Call: (203) [system] char_type('O', end_of_line)
   Fail: (203) [system] char_type('O', end_of_line)
   Call: (203) [system] char_type('O', space)
   Fail: (203) [system] char_type('O', space)
   Call: (203) [system] char_type('O', cntrl)
   Fail: (203) [system] char_type('O', cntrl)
^  Fail: (202) [user] is_like_space('O')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] get_char((0x563acd73bee0), _1520992)
   Exit: (201) [system] get_char((0x563acd73bee0), 'O')
   Call: (201) [system] 'O'='('
   Fail: (201) [system] 'O'='('
   Call: (201) [system] 'O'='['
   Fail: (201) [system] 'O'='['
   Call: (201) [system] 'O'='{'
   Fail: (201) [system] 'O'='{'
   Call: (201) [system] 'O'='"'
   Fail: (201) [system] 'O'='"'
   Call: (201) [system] 'O'=!
   Fail: (201) [system] 'O'=!
   Call: (201) [system] 'O'='\''
   Fail: (201) [system] 'O'='\''
   Call: (201) [system] 'O'='`'
   Fail: (201) [system] 'O'='`'
   Call: (201) [system] 'O'=end_of_file
   Fail: (201) [system] 'O'=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x563acd73bee0), 'O', _1503124)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _1538634)
   Call: (203) [system] peek_char((0x563acd73bee0), _1539568)
   Exit: (203) [system] peek_char((0x563acd73bee0), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_1544288, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_1545220, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x563acd73bee0), r)
   Exit: (203) [system] get_char((0x563acd73bee0), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1552570)
   Call: (204) [system] peek_char((0x563acd73bee0), _1553504)
   Exit: (204) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (204) [user] is_delimiter('L')
   Call: (205) [system] char_type('L', space)
   Fail: (205) [system] char_type('L', space)
   Call: (205) [system] arg(_1558224, v('(', ')', end_of_file), 'L')
   Fail: (205) [system] arg(_1559156, v('(', ')', end_of_file), 'L')
^  Fail: (204) [user] is_delimiter('L')
   Call: (204) [system] ')'=='L'
   Fail: (204) [system] ')'=='L'
   Call: (204) [system] get_char((0x563acd73bee0), 'L')
   Exit: (204) [system] get_char((0x563acd73bee0), 'L')
   Call: (204) [system] 'L'=(\)
   Fail: (204) [system] 'L'=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1566506)
   Call: (205) [system] peek_char((0x563acd73bee0), _1567440)
   Exit: (205) [system] peek_char((0x563acd73bee0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_1572160, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_1573092, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x563acd73bee0), i)
   Exit: (205) [system] get_char((0x563acd73bee0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1580442)
   Call: (206) [system] peek_char((0x563acd73bee0), _1581376)
   Exit: (206) [system] peek_char((0x563acd73bee0), n)
^  Call: (206) [user] is_delimiter(n)
   Call: (207) [system] char_type(n, space)
   Fail: (207) [system] char_type(n, space)
   Call: (207) [system] arg(_1586096, v('(', ')', end_of_file), n)
   Fail: (207) [system] arg(_1587028, v('(', ')', end_of_file), n)
^  Fail: (206) [user] is_delimiter(n)
   Call: (206) [system] ')'==n
   Fail: (206) [system] ')'==n
   Call: (206) [system] get_char((0x563acd73bee0), n)
   Exit: (206) [system] get_char((0x563acd73bee0), n)
   Call: (206) [system] n=(\)
   Fail: (206) [system] n=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1594378)
   Call: (207) [system] peek_char((0x563acd73bee0), _1595312)
   Exit: (207) [system] peek_char((0x563acd73bee0), k)
^  Call: (207) [user] is_delimiter(k)
   Call: (208) [system] char_type(k, space)
   Fail: (208) [system] char_type(k, space)
   Call: (208) [system] arg(_1600032, v('(', ')', end_of_file), k)
   Fail: (208) [system] arg(_1600964, v('(', ')', end_of_file), k)
^  Fail: (207) [user] is_delimiter(k)
   Call: (207) [system] ')'==k
   Fail: (207) [system] ')'==k
   Call: (207) [system] get_char((0x563acd73bee0), k)
   Exit: (207) [system] get_char((0x563acd73bee0), k)
   Call: (207) [system] k=(\)
   Fail: (207) [system] k=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1608314)
   Call: (208) [system] peek_char((0x563acd73bee0), _1609248)
   Exit: (208) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _1608314=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (207) [system] _1594378=[k]
   Exit: (207) [system] [k]=[k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (206) [system] _1580442=[n, k]
   Exit: (206) [system] [n, k]=[n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (205) [system] _1566506=[i, n, k]
   Exit: (205) [system] [i, n, k]=[i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (204) [system] _1552570=['L', i, n, k]
   Exit: (204) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (203) [system] _1538634=[r, 'L', i, n, k]
   Exit: (203) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (202) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1503124)
^  Call: (203) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1632502)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_1633454, _1633456), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1632502), _1633436, fail)), '$restore_trace'(_1633454, _1633456))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_1633454, _1633456))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1632502), _1633436, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(_1632502)
   Fail: (204) [system] atomic(_1632502)
   Call: (204) [system] atom_chars(_1632502, ['O', r, 'L', i, n, k])
   Exit: (204) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (203) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (203) [system] integer('OrLink')
   Fail: (203) [system] integer('OrLink')
   Call: (203) [system] _1503124='OrLink'
   Exit: (203) [system] 'OrLink'='OrLink'
^  Exit: (202) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (201) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (200) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _1647452)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1649310)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x563acd73bee0), _1658904)
   Exit: (202) [system] get_char((0x563acd73bee0), ' ')
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1661608)
   Exit: (203) [system] peek_char((0x563acd73bee0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1678542)
   Exit: (201) [system] peek_char((0x563acd73bee0), '(')
   Call: (201) [system] '('=')'
   Fail: (201) [system] '('=')'
   Call: (201) [system] '('=end_of_file
   Fail: (201) [system] '('=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x563acd73bee0), _1684112)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1685970)
   Exit: (203) [system] peek_char((0x563acd73bee0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] get_char((0x563acd73bee0), _1701980)
   Exit: (202) [system] get_char((0x563acd73bee0), '(')
   Call: (202) [system] '('='('
   Exit: (202) [system] '('='('
^  Call: (202) [user] read_list(')', (0x563acd73bee0), _1684112)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1707550)
   Exit: (204) [system] peek_char((0x563acd73bee0), 'I')
   Call: (204) [system] 'I'=(;)
   Fail: (204) [system] 'I'=(;)
   Call: (204) [system] 'I'=(/)
   Fail: (204) [system] 'I'=(/)
^  Call: (204) [user] is_like_space('I')
   Call: (205) [system] char_type('I', 'white')
   Fail: (205) [system] char_type('I', 'white')
   Call: (205) [system] char_type('I', end_of_line)
   Fail: (205) [system] char_type('I', end_of_line)
   Call: (205) [system] char_type('I', space)
   Fail: (205) [system] char_type('I', space)
   Call: (205) [system] char_type('I', cntrl)
   Fail: (205) [system] char_type('I', cntrl)
^  Fail: (204) [user] is_like_space('I')
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1723560)
   Exit: (203) [system] peek_char((0x563acd73bee0), 'I')
   Call: (203) [system] 'I'=')'
   Fail: (203) [system] 'I'=')'
   Call: (203) [system] 'I'=end_of_file
   Fail: (203) [system] 'I'=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x563acd73bee0), _1729130)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1730988)
   Exit: (205) [system] peek_char((0x563acd73bee0), 'I')
   Call: (205) [system] 'I'=(;)
   Fail: (205) [system] 'I'=(;)
   Call: (205) [system] 'I'=(/)
   Fail: (205) [system] 'I'=(/)
^  Call: (205) [user] is_like_space('I')
   Call: (206) [system] char_type('I', 'white')
   Fail: (206) [system] char_type('I', 'white')
   Call: (206) [system] char_type('I', end_of_line)
   Fail: (206) [system] char_type('I', end_of_line)
   Call: (206) [system] char_type('I', space)
   Fail: (206) [system] char_type('I', space)
   Call: (206) [system] char_type('I', cntrl)
   Fail: (206) [system] char_type('I', cntrl)
^  Fail: (205) [user] is_like_space('I')
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] get_char((0x563acd73bee0), _1746998)
   Exit: (204) [system] get_char((0x563acd73bee0), 'I')
   Call: (204) [system] 'I'='('
   Fail: (204) [system] 'I'='('
   Call: (204) [system] 'I'='['
   Fail: (204) [system] 'I'='['
   Call: (204) [system] 'I'='{'
   Fail: (204) [system] 'I'='{'
   Call: (204) [system] 'I'='"'
   Fail: (204) [system] 'I'='"'
   Call: (204) [system] 'I'=!
   Fail: (204) [system] 'I'=!
   Call: (204) [system] 'I'='\''
   Fail: (204) [system] 'I'='\''
   Call: (204) [system] 'I'='`'
   Fail: (204) [system] 'I'='`'
   Call: (204) [system] 'I'=end_of_file
   Fail: (204) [system] 'I'=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x563acd73bee0), 'I', _1729130)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1764640)
   Call: (206) [system] peek_char((0x563acd73bee0), _1765574)
   Exit: (206) [system] peek_char((0x563acd73bee0), m)
^  Call: (206) [user] is_delimiter(m)
   Call: (207) [system] char_type(m, space)
   Fail: (207) [system] char_type(m, space)
   Call: (207) [system] arg(_1770294, v('(', ')', end_of_file), m)
   Fail: (207) [system] arg(_1771226, v('(', ')', end_of_file), m)
^  Fail: (206) [user] is_delimiter(m)
   Call: (206) [system] ')'==m
   Fail: (206) [system] ')'==m
   Call: (206) [system] get_char((0x563acd73bee0), m)
   Exit: (206) [system] get_char((0x563acd73bee0), m)
   Call: (206) [system] m=(\)
   Fail: (206) [system] m=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1778576)
   Call: (207) [system] peek_char((0x563acd73bee0), _1779510)
   Exit: (207) [system] peek_char((0x563acd73bee0), p)
^  Call: (207) [user] is_delimiter(p)
   Call: (208) [system] char_type(p, space)
   Fail: (208) [system] char_type(p, space)
   Call: (208) [system] arg(_1784230, v('(', ')', end_of_file), p)
   Fail: (208) [system] arg(_1785162, v('(', ')', end_of_file), p)
^  Fail: (207) [user] is_delimiter(p)
   Call: (207) [system] ')'==p
   Fail: (207) [system] ')'==p
   Call: (207) [system] get_char((0x563acd73bee0), p)
   Exit: (207) [system] get_char((0x563acd73bee0), p)
   Call: (207) [system] p=(\)
   Fail: (207) [system] p=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1792512)
   Call: (208) [system] peek_char((0x563acd73bee0), _1793446)
   Exit: (208) [system] peek_char((0x563acd73bee0), l)
^  Call: (208) [user] is_delimiter(l)
   Call: (209) [system] char_type(l, space)
   Fail: (209) [system] char_type(l, space)
   Call: (209) [system] arg(_1798166, v('(', ')', end_of_file), l)
   Fail: (209) [system] arg(_1799098, v('(', ')', end_of_file), l)
^  Fail: (208) [user] is_delimiter(l)
   Call: (208) [system] ')'==l
   Fail: (208) [system] ')'==l
   Call: (208) [system] get_char((0x563acd73bee0), l)
   Exit: (208) [system] get_char((0x563acd73bee0), l)
   Call: (208) [system] l=(\)
   Fail: (208) [system] l=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1806448)
   Call: (209) [system] peek_char((0x563acd73bee0), _1807382)
   Exit: (209) [system] peek_char((0x563acd73bee0), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_1812102, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_1813034, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x563acd73bee0), i)
   Exit: (209) [system] get_char((0x563acd73bee0), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1820384)
   Call: (210) [system] peek_char((0x563acd73bee0), _1821318)
   Exit: (210) [system] peek_char((0x563acd73bee0), c)
^  Call: (210) [user] is_delimiter(c)
   Call: (211) [system] char_type(c, space)
   Fail: (211) [system] char_type(c, space)
   Call: (211) [system] arg(_1826038, v('(', ')', end_of_file), c)
   Fail: (211) [system] arg(_1826970, v('(', ')', end_of_file), c)
^  Fail: (210) [user] is_delimiter(c)
   Call: (210) [system] ')'==c
   Fail: (210) [system] ')'==c
   Call: (210) [system] get_char((0x563acd73bee0), c)
   Exit: (210) [system] get_char((0x563acd73bee0), c)
   Call: (210) [system] c=(\)
   Fail: (210) [system] c=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1834320)
   Call: (211) [system] peek_char((0x563acd73bee0), _1835254)
   Exit: (211) [system] peek_char((0x563acd73bee0), a)
^  Call: (211) [user] is_delimiter(a)
   Call: (212) [system] char_type(a, space)
   Fail: (212) [system] char_type(a, space)
   Call: (212) [system] arg(_1839974, v('(', ')', end_of_file), a)
   Fail: (212) [system] arg(_1840906, v('(', ')', end_of_file), a)
^  Fail: (211) [user] is_delimiter(a)
   Call: (211) [system] ')'==a
   Fail: (211) [system] ')'==a
   Call: (211) [system] get_char((0x563acd73bee0), a)
   Exit: (211) [system] get_char((0x563acd73bee0), a)
   Call: (211) [system] a=(\)
   Fail: (211) [system] a=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1848256)
   Call: (212) [system] peek_char((0x563acd73bee0), _1849190)
   Exit: (212) [system] peek_char((0x563acd73bee0), t)
^  Call: (212) [user] is_delimiter(t)
   Call: (213) [system] char_type(t, space)
   Fail: (213) [system] char_type(t, space)
   Call: (213) [system] arg(_1853910, v('(', ')', end_of_file), t)
   Fail: (213) [system] arg(_1854842, v('(', ')', end_of_file), t)
^  Fail: (212) [user] is_delimiter(t)
   Call: (212) [system] ')'==t
   Fail: (212) [system] ')'==t
   Call: (212) [system] get_char((0x563acd73bee0), t)
   Exit: (212) [system] get_char((0x563acd73bee0), t)
   Call: (212) [system] t=(\)
   Fail: (212) [system] t=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _1862192)
   Call: (213) [system] peek_char((0x563acd73bee0), _1863126)
   Exit: (213) [system] peek_char((0x563acd73bee0), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Fail: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_1867846, v('(', ')', end_of_file), i)
   Fail: (214) [system] arg(_1868778, v('(', ')', end_of_file), i)
^  Fail: (213) [user] is_delimiter(i)
   Call: (213) [system] ')'==i
   Fail: (213) [system] ')'==i
   Call: (213) [system] get_char((0x563acd73bee0), i)
   Exit: (213) [system] get_char((0x563acd73bee0), i)
   Call: (213) [system] i=(\)
   Fail: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _1876128)
   Call: (214) [system] peek_char((0x563acd73bee0), _1877062)
   Exit: (214) [system] peek_char((0x563acd73bee0), o)
^  Call: (214) [user] is_delimiter(o)
   Call: (215) [system] char_type(o, space)
   Fail: (215) [system] char_type(o, space)
   Call: (215) [system] arg(_1881782, v('(', ')', end_of_file), o)
   Fail: (215) [system] arg(_1882714, v('(', ')', end_of_file), o)
^  Fail: (214) [user] is_delimiter(o)
   Call: (214) [system] ')'==o
   Fail: (214) [system] ')'==o
   Call: (214) [system] get_char((0x563acd73bee0), o)
   Exit: (214) [system] get_char((0x563acd73bee0), o)
   Call: (214) [system] o=(\)
   Fail: (214) [system] o=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _1890064)
   Call: (215) [system] peek_char((0x563acd73bee0), _1890998)
   Exit: (215) [system] peek_char((0x563acd73bee0), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_1895718, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_1896650, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x563acd73bee0), n)
   Exit: (215) [system] get_char((0x563acd73bee0), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _1904000)
   Call: (216) [system] peek_char((0x563acd73bee0), _1904934)
   Exit: (216) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _1904000=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (215) [system] _1890064=[n]
   Exit: (215) [system] [n]=[n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (214) [system] _1876128=[o, n]
   Exit: (214) [system] [o, n]=[o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (213) [system] _1862192=[i, o, n]
   Exit: (213) [system] [i, o, n]=[i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (212) [system] _1848256=[t, i, o, n]
   Exit: (212) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (211) [system] _1834320=[a, t, i, o, n]
   Exit: (211) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (210) [system] _1820384=[c, a, t, i, o, n]
   Exit: (210) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (209) [system] _1806448=[i, c, a, t, i, o, n]
   Exit: (209) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (208) [system] _1792512=[l, i, c, a, t, i, o, n]
   Exit: (208) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (207) [system] _1778576=[p, l, i, c, a, t, i, o, n]
   Exit: (207) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (206) [system] _1764640=[m, p, l, i, c, a, t, i, o, n]
   Exit: (206) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (205) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1729130)
^  Call: (206) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1942158)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_1943110, _1943112), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1942158), _1943092, fail)), '$restore_trace'(_1943110, _1943112))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_1943110, _1943112))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1942158), _1943092, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(_1942158)
   Fail: (207) [system] atomic(_1942158)
   Call: (207) [system] atom_chars(_1942158, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (207) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (206) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (206) [system] integer('Implication')
   Fail: (206) [system] integer('Implication')
   Call: (206) [system] _1729130='Implication'
   Exit: (206) [system] 'Implication'='Implication'
^  Exit: (205) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (204) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (203) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (203) [user] read_list(')', (0x563acd73bee0), _1957108)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1958966)
   Exit: (205) [system] peek_char((0x563acd73bee0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x563acd73bee0), _1968560)
   Exit: (205) [system] get_char((0x563acd73bee0), ' ')
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1971264)
   Exit: (206) [system] peek_char((0x563acd73bee0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1988198)
   Exit: (204) [system] peek_char((0x563acd73bee0), '(')
   Call: (204) [system] '('=')'
   Fail: (204) [system] '('=')'
   Call: (204) [system] '('=end_of_file
   Fail: (204) [system] '('=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x563acd73bee0), _1993768)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1995626)
   Exit: (206) [system] peek_char((0x563acd73bee0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] get_char((0x563acd73bee0), _2011636)
   Exit: (205) [system] get_char((0x563acd73bee0), '(')
   Call: (205) [system] '('='('
   Exit: (205) [system] '('='('
^  Call: (205) [user] read_list(')', (0x563acd73bee0), _1993768)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _2017206)
   Exit: (207) [system] peek_char((0x563acd73bee0), 'A')
   Call: (207) [system] 'A'=(;)
   Fail: (207) [system] 'A'=(;)
   Call: (207) [system] 'A'=(/)
   Fail: (207) [system] 'A'=(/)
^  Call: (207) [user] is_like_space('A')
   Call: (208) [system] char_type('A', 'white')
   Fail: (208) [system] char_type('A', 'white')
   Call: (208) [system] char_type('A', end_of_line)
   Fail: (208) [system] char_type('A', end_of_line)
   Call: (208) [system] char_type('A', space)
   Fail: (208) [system] char_type('A', space)
   Call: (208) [system] char_type('A', cntrl)
   Fail: (208) [system] char_type('A', cntrl)
^  Fail: (207) [user] is_like_space('A')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _2033216)
   Exit: (206) [system] peek_char((0x563acd73bee0), 'A')
   Call: (206) [system] 'A'=')'
   Fail: (206) [system] 'A'=')'
   Call: (206) [system] 'A'=end_of_file
   Fail: (206) [system] 'A'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x563acd73bee0), _2038786)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _2040644)
   Exit: (208) [system] peek_char((0x563acd73bee0), 'A')
   Call: (208) [system] 'A'=(;)
   Fail: (208) [system] 'A'=(;)
   Call: (208) [system] 'A'=(/)
   Fail: (208) [system] 'A'=(/)
^  Call: (208) [user] is_like_space('A')
   Call: (209) [system] char_type('A', 'white')
   Fail: (209) [system] char_type('A', 'white')
   Call: (209) [system] char_type('A', end_of_line)
   Fail: (209) [system] char_type('A', end_of_line)
   Call: (209) [system] char_type('A', space)
   Fail: (209) [system] char_type('A', space)
   Call: (209) [system] char_type('A', cntrl)
   Fail: (209) [system] char_type('A', cntrl)
^  Fail: (208) [user] is_like_space('A')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] get_char((0x563acd73bee0), _2056654)
   Exit: (207) [system] get_char((0x563acd73bee0), 'A')
   Call: (207) [system] 'A'='('
   Fail: (207) [system] 'A'='('
   Call: (207) [system] 'A'='['
   Fail: (207) [system] 'A'='['
   Call: (207) [system] 'A'='{'
   Fail: (207) [system] 'A'='{'
   Call: (207) [system] 'A'='"'
   Fail: (207) [system] 'A'='"'
   Call: (207) [system] 'A'=!
   Fail: (207) [system] 'A'=!
   Call: (207) [system] 'A'='\''
   Fail: (207) [system] 'A'='\''
   Call: (207) [system] 'A'='`'
   Fail: (207) [system] 'A'='`'
   Call: (207) [system] 'A'=end_of_file
   Fail: (207) [system] 'A'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x563acd73bee0), 'A', _2038786)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _2074296)
   Call: (209) [system] peek_char((0x563acd73bee0), _2075230)
   Exit: (209) [system] peek_char((0x563acd73bee0), n)
^  Call: (209) [user] is_delimiter(n)
   Call: (210) [system] char_type(n, space)
   Fail: (210) [system] char_type(n, space)
   Call: (210) [system] arg(_2079950, v('(', ')', end_of_file), n)
   Fail: (210) [system] arg(_2080882, v('(', ')', end_of_file), n)
^  Fail: (209) [user] is_delimiter(n)
   Call: (209) [system] ')'==n
   Fail: (209) [system] ')'==n
   Call: (209) [system] get_char((0x563acd73bee0), n)
   Exit: (209) [system] get_char((0x563acd73bee0), n)
   Call: (209) [system] n=(\)
   Fail: (209) [system] n=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _2088232)
   Call: (210) [system] peek_char((0x563acd73bee0), _2089166)
   Exit: (210) [system] peek_char((0x563acd73bee0), d)
^  Call: (210) [user] is_delimiter(d)
   Call: (211) [system] char_type(d, space)
   Fail: (211) [system] char_type(d, space)
   Call: (211) [system] arg(_2093886, v('(', ')', end_of_file), d)
   Fail: (211) [system] arg(_2094818, v('(', ')', end_of_file), d)
^  Fail: (210) [user] is_delimiter(d)
   Call: (210) [system] ')'==d
   Fail: (210) [system] ')'==d
   Call: (210) [system] get_char((0x563acd73bee0), d)
   Exit: (210) [system] get_char((0x563acd73bee0), d)
   Call: (210) [system] d=(\)
   Fail: (210) [system] d=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _9228)
   Call: (211) [system] peek_char((0x563acd73bee0), _10162)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (211) [user] is_delimiter('L')
   Call: (212) [system] char_type('L', space)
   Fail: (212) [system] char_type('L', space)
   Call: (212) [system] arg(_14882, v('(', ')', end_of_file), 'L')
   Fail: (212) [system] arg(_15814, v('(', ')', end_of_file), 'L')
^  Fail: (211) [user] is_delimiter('L')
   Call: (211) [system] ')'=='L'
   Fail: (211) [system] ')'=='L'
   Call: (211) [system] get_char((0x563acd73bee0), 'L')
   Exit: (211) [system] get_char((0x563acd73bee0), 'L')
   Call: (211) [system] 'L'=(\)
   Fail: (211) [system] 'L'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _23164)
   Call: (212) [system] peek_char((0x563acd73bee0), _24098)
   Exit: (212) [system] peek_char((0x563acd73bee0), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_28818, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_29750, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x563acd73bee0), i)
   Exit: (212) [system] get_char((0x563acd73bee0), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _37100)
   Call: (213) [system] peek_char((0x563acd73bee0), _38034)
   Exit: (213) [system] peek_char((0x563acd73bee0), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_42754, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_43686, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x563acd73bee0), n)
   Exit: (213) [system] get_char((0x563acd73bee0), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _51036)
   Call: (214) [system] peek_char((0x563acd73bee0), _51970)
   Exit: (214) [system] peek_char((0x563acd73bee0), k)
^  Call: (214) [user] is_delimiter(k)
   Call: (215) [system] char_type(k, space)
   Fail: (215) [system] char_type(k, space)
   Call: (215) [system] arg(_56690, v('(', ')', end_of_file), k)
   Fail: (215) [system] arg(_57622, v('(', ')', end_of_file), k)
^  Fail: (214) [user] is_delimiter(k)
   Call: (214) [system] ')'==k
   Fail: (214) [system] ')'==k
   Call: (214) [system] get_char((0x563acd73bee0), k)
   Exit: (214) [system] get_char((0x563acd73bee0), k)
   Call: (214) [system] k=(\)
   Fail: (214) [system] k=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _64972)
   Call: (215) [system] peek_char((0x563acd73bee0), _65906)
   Exit: (215) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _64972=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (214) [system] _51036=[k]
   Exit: (214) [system] [k]=[k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (213) [system] _37100=[n, k]
   Exit: (213) [system] [n, k]=[n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (212) [system] _23164=[i, n, k]
   Exit: (212) [system] [i, n, k]=[i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (211) [system] _9228=['L', i, n, k]
   Exit: (211) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (210) [system] _3838=[d, 'L', i, n, k]
   Exit: (210) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, 'L', i, n, k])
   Call: (209) [system] _3834=[n, d, 'L', i, n, k]
   Exit: (209) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, d, 'L', i, n, k])
^  Call: (208) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _3830)
^  Call: (209) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _91954)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_92906, _92908), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _91954), _92888, fail)), '$restore_trace'(_92906, _92908))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_92906, _92908))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _91954), _92888, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_91954)
   Fail: (210) [system] atomic(_91954)
   Call: (210) [system] atom_chars(_91954, ['A', n, d, 'L', i, n, k])
   Exit: (210) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (209) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (209) [system] integer('AndLink')
   Fail: (209) [system] integer('AndLink')
   Call: (209) [system] _3830='AndLink'
   Exit: (209) [system] 'AndLink'='AndLink'
^  Exit: (208) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (207) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'AndLink')
^  Exit: (206) [user] cont_sexpr(')', (0x563acd73bee0), 'AndLink')
^  Call: (206) [user] read_list(')', (0x563acd73bee0), _106904)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _108762)
   Exit: (208) [system] peek_char((0x563acd73bee0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x563acd73bee0), _118356)
   Exit: (208) [system] get_char((0x563acd73bee0), ' ')
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _121060)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'A')
   Call: (209) [system] 'A'=(;)
   Fail: (209) [system] 'A'=(;)
   Call: (209) [system] 'A'=(/)
   Fail: (209) [system] 'A'=(/)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Fail: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Fail: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Fail: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
   Fail: (210) [system] char_type('A', cntrl)
^  Fail: (209) [user] is_like_space('A')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _137994)
   Exit: (207) [system] peek_char((0x563acd73bee0), 'A')
   Call: (207) [system] 'A'=')'
   Fail: (207) [system] 'A'=')'
   Call: (207) [system] 'A'=end_of_file
   Fail: (207) [system] 'A'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x563acd73bee0), _143564)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _145422)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'A')
   Call: (209) [system] 'A'=(;)
   Fail: (209) [system] 'A'=(;)
   Call: (209) [system] 'A'=(/)
   Fail: (209) [system] 'A'=(/)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Fail: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Fail: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Fail: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
   Fail: (210) [system] char_type('A', cntrl)
^  Fail: (209) [user] is_like_space('A')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] get_char((0x563acd73bee0), _161432)
   Exit: (208) [system] get_char((0x563acd73bee0), 'A')
   Call: (208) [system] 'A'='('
   Fail: (208) [system] 'A'='('
   Call: (208) [system] 'A'='['
   Fail: (208) [system] 'A'='['
   Call: (208) [system] 'A'='{'
   Fail: (208) [system] 'A'='{'
   Call: (208) [system] 'A'='"'
   Fail: (208) [system] 'A'='"'
   Call: (208) [system] 'A'=!
   Fail: (208) [system] 'A'=!
   Call: (208) [system] 'A'='\''
   Fail: (208) [system] 'A'='\''
   Call: (208) [system] 'A'='`'
   Fail: (208) [system] 'A'='`'
   Call: (208) [system] 'A'=end_of_file
   Fail: (208) [system] 'A'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x563acd73bee0), 'A', _143564)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _179074)
   Call: (210) [system] peek_char((0x563acd73bee0), _180008)
   Exit: (210) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _179074=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (209) [user] classify_and_convert_charseq(['A'], _143564)
^  Call: (210) [user] classify_and_convert_charseq_(['A'], _189292)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_190244, _190246), once(user:catch(read_from_chars(['A'], _189292), _190226, fail)), '$restore_trace'(_190244, _190246))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_190244, _190246))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _189292), _190226, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_189292)
   Fail: (211) [system] atomic(_189292)
   Call: (211) [system] atom_chars(_189292, ['A'])
   Exit: (211) [system] atom_chars('A', ['A'])
^  Exit: (210) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (210) [system] integer('A')
   Fail: (210) [system] integer('A')
   Call: (210) [system] _143564='A'
   Exit: (210) [system] 'A'='A'
^  Exit: (209) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (208) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (207) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (207) [user] read_list(')', (0x563acd73bee0), _204242)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _206100)
   Exit: (209) [system] peek_char((0x563acd73bee0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x563acd73bee0), _215694)
   Exit: (209) [system] get_char((0x563acd73bee0), ' ')
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _218398)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'B')
   Call: (210) [system] 'B'=(;)
   Fail: (210) [system] 'B'=(;)
   Call: (210) [system] 'B'=(/)
   Fail: (210) [system] 'B'=(/)
^  Call: (210) [user] is_like_space('B')
   Call: (211) [system] char_type('B', 'white')
   Fail: (211) [system] char_type('B', 'white')
   Call: (211) [system] char_type('B', end_of_line)
   Fail: (211) [system] char_type('B', end_of_line)
   Call: (211) [system] char_type('B', space)
   Fail: (211) [system] char_type('B', space)
   Call: (211) [system] char_type('B', cntrl)
   Fail: (211) [system] char_type('B', cntrl)
^  Fail: (210) [user] is_like_space('B')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _235332)
   Exit: (208) [system] peek_char((0x563acd73bee0), 'B')
   Call: (208) [system] 'B'=')'
   Fail: (208) [system] 'B'=')'
   Call: (208) [system] 'B'=end_of_file
   Fail: (208) [system] 'B'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x563acd73bee0), _240902)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _242760)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'B')
   Call: (210) [system] 'B'=(;)
   Fail: (210) [system] 'B'=(;)
   Call: (210) [system] 'B'=(/)
   Fail: (210) [system] 'B'=(/)
^  Call: (210) [user] is_like_space('B')
   Call: (211) [system] char_type('B', 'white')
   Fail: (211) [system] char_type('B', 'white')
   Call: (211) [system] char_type('B', end_of_line)
   Fail: (211) [system] char_type('B', end_of_line)
   Call: (211) [system] char_type('B', space)
   Fail: (211) [system] char_type('B', space)
   Call: (211) [system] char_type('B', cntrl)
   Fail: (211) [system] char_type('B', cntrl)
^  Fail: (210) [user] is_like_space('B')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] get_char((0x563acd73bee0), _258770)
   Exit: (209) [system] get_char((0x563acd73bee0), 'B')
   Call: (209) [system] 'B'='('
   Fail: (209) [system] 'B'='('
   Call: (209) [system] 'B'='['
   Fail: (209) [system] 'B'='['
   Call: (209) [system] 'B'='{'
   Fail: (209) [system] 'B'='{'
   Call: (209) [system] 'B'='"'
   Fail: (209) [system] 'B'='"'
   Call: (209) [system] 'B'=!
   Fail: (209) [system] 'B'=!
   Call: (209) [system] 'B'='\''
   Fail: (209) [system] 'B'='\''
   Call: (209) [system] 'B'='`'
   Fail: (209) [system] 'B'='`'
   Call: (209) [system] 'B'=end_of_file
   Fail: (209) [system] 'B'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x563acd73bee0), 'B', _240902)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _276412)
   Call: (211) [system] peek_char((0x563acd73bee0), _277346)
   Exit: (211) [system] peek_char((0x563acd73bee0), ')')
^  Call: (211) [user] is_delimiter(')')
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] arg(_282066, v('(', ')', end_of_file), ')')
   Exit: (212) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (211) [user] is_delimiter(')')
   Call: (211) [system] _276412=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (210) [user] classify_and_convert_charseq(['B'], _240902)
^  Call: (211) [user] classify_and_convert_charseq_(['B'], _288502)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_289454, _289456), once(user:catch(read_from_chars(['B'], _288502), _289436, fail)), '$restore_trace'(_289454, _289456))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_289454, _289456))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _288502), _289436, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_288502)
   Fail: (212) [system] atomic(_288502)
   Call: (212) [system] atom_chars(_288502, ['B'])
   Exit: (212) [system] atom_chars('B', ['B'])
^  Exit: (211) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (211) [system] integer('B')
   Fail: (211) [system] integer('B')
   Call: (211) [system] _240902='B'
   Exit: (211) [system] 'B'='B'
^  Exit: (210) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (209) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (208) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (208) [user] read_list(')', (0x563acd73bee0), _303452)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _305310)
   Exit: (210) [system] peek_char((0x563acd73bee0), ')')
   Call: (210) [system] ')'=(;)
   Fail: (210) [system] ')'=(;)
   Call: (210) [system] ')'=(/)
   Fail: (210) [system] ')'=(/)
^  Call: (210) [user] is_like_space(')')
   Call: (211) [system] char_type(')', 'white')
   Fail: (211) [system] char_type(')', 'white')
   Call: (211) [system] char_type(')', end_of_line)
   Fail: (211) [system] char_type(')', end_of_line)
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] char_type(')', cntrl)
   Fail: (211) [system] char_type(')', cntrl)
^  Fail: (210) [user] is_like_space(')')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _321320)
   Exit: (209) [system] peek_char((0x563acd73bee0), ')')
   Call: (209) [system] ')'=')'
   Exit: (209) [system] ')'=')'
   Call: (209) [system] get_char((0x563acd73bee0), _325110)
   Exit: (209) [system] get_char((0x563acd73bee0), ')')
   Call: (209) [system] _303452=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_list(')', (0x563acd73bee0), [])
   Call: (208) [system] _204242=['B']
   Exit: (208) [system] ['B']=['B']
^  Exit: (207) [user] read_list(')', (0x563acd73bee0), ['B'])
   Call: (207) [system] _106904=['A', 'B']
   Exit: (207) [system] ['A', 'B']=['A', 'B']
^  Exit: (206) [user] read_list(')', (0x563acd73bee0), ['A', 'B'])
   Call: (206) [system] _3824=['AndLink', 'A', 'B']
   Exit: (206) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (205) [user] read_list(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Exit: (204) [user] cont_sexpr(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Call: (204) [user] read_list(')', (0x563acd73bee0), _338992)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _340850)
   Exit: (206) [system] peek_char((0x563acd73bee0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
   Call: (206) [system] ' '=(/)
   Fail: (206) [system] ' '=(/)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x563acd73bee0), _350444)
   Exit: (206) [system] get_char((0x563acd73bee0), ' ')
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _353148)
   Exit: (207) [system] peek_char((0x563acd73bee0), 'C')
   Call: (207) [system] 'C'=(;)
   Fail: (207) [system] 'C'=(;)
   Call: (207) [system] 'C'=(/)
   Fail: (207) [system] 'C'=(/)
^  Call: (207) [user] is_like_space('C')
   Call: (208) [system] char_type('C', 'white')
   Fail: (208) [system] char_type('C', 'white')
   Call: (208) [system] char_type('C', end_of_line)
   Fail: (208) [system] char_type('C', end_of_line)
   Call: (208) [system] char_type('C', space)
   Fail: (208) [system] char_type('C', space)
   Call: (208) [system] char_type('C', cntrl)
   Fail: (208) [system] char_type('C', cntrl)
^  Fail: (207) [user] is_like_space('C')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _370082)
   Exit: (205) [system] peek_char((0x563acd73bee0), 'C')
   Call: (205) [system] 'C'=')'
   Fail: (205) [system] 'C'=')'
   Call: (205) [system] 'C'=end_of_file
   Fail: (205) [system] 'C'=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x563acd73bee0), _375652)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _377510)
   Exit: (207) [system] peek_char((0x563acd73bee0), 'C')
   Call: (207) [system] 'C'=(;)
   Fail: (207) [system] 'C'=(;)
   Call: (207) [system] 'C'=(/)
   Fail: (207) [system] 'C'=(/)
^  Call: (207) [user] is_like_space('C')
   Call: (208) [system] char_type('C', 'white')
   Fail: (208) [system] char_type('C', 'white')
   Call: (208) [system] char_type('C', end_of_line)
   Fail: (208) [system] char_type('C', end_of_line)
   Call: (208) [system] char_type('C', space)
   Fail: (208) [system] char_type('C', space)
   Call: (208) [system] char_type('C', cntrl)
   Fail: (208) [system] char_type('C', cntrl)
^  Fail: (207) [user] is_like_space('C')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] get_char((0x563acd73bee0), _393520)
   Exit: (206) [system] get_char((0x563acd73bee0), 'C')
   Call: (206) [system] 'C'='('
   Fail: (206) [system] 'C'='('
   Call: (206) [system] 'C'='['
   Fail: (206) [system] 'C'='['
   Call: (206) [system] 'C'='{'
   Fail: (206) [system] 'C'='{'
   Call: (206) [system] 'C'='"'
   Fail: (206) [system] 'C'='"'
   Call: (206) [system] 'C'=!
   Fail: (206) [system] 'C'=!
   Call: (206) [system] 'C'='\''
   Fail: (206) [system] 'C'='\''
   Call: (206) [system] 'C'='`'
   Fail: (206) [system] 'C'='`'
   Call: (206) [system] 'C'=end_of_file
   Fail: (206) [system] 'C'=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x563acd73bee0), 'C', _375652)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _411162)
   Call: (208) [system] peek_char((0x563acd73bee0), _412096)
   Exit: (208) [system] peek_char((0x563acd73bee0), ')')
^  Call: (208) [user] is_delimiter(')')
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] arg(_416816, v('(', ')', end_of_file), ')')
   Exit: (209) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (208) [user] is_delimiter(')')
   Call: (208) [system] _411162=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (207) [user] classify_and_convert_charseq(['C'], _375652)
^  Call: (208) [user] classify_and_convert_charseq_(['C'], _423252)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_424204, _424206), once(user:catch(read_from_chars(['C'], _423252), _424186, fail)), '$restore_trace'(_424204, _424206))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_424204, _424206))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _423252), _424186, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_423252)
   Fail: (209) [system] atomic(_423252)
   Call: (209) [system] atom_chars(_423252, ['C'])
   Exit: (209) [system] atom_chars('C', ['C'])
^  Exit: (208) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (208) [system] integer('C')
   Fail: (208) [system] integer('C')
   Call: (208) [system] _375652='C'
   Exit: (208) [system] 'C'='C'
^  Exit: (207) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (206) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (205) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (205) [user] read_list(')', (0x563acd73bee0), _438202)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _440060)
   Exit: (207) [system] peek_char((0x563acd73bee0), ')')
   Call: (207) [system] ')'=(;)
   Fail: (207) [system] ')'=(;)
   Call: (207) [system] ')'=(/)
   Fail: (207) [system] ')'=(/)
^  Call: (207) [user] is_like_space(')')
   Call: (208) [system] char_type(')', 'white')
   Fail: (208) [system] char_type(')', 'white')
   Call: (208) [system] char_type(')', end_of_line)
   Fail: (208) [system] char_type(')', end_of_line)
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] char_type(')', cntrl)
   Fail: (208) [system] char_type(')', cntrl)
^  Fail: (207) [user] is_like_space(')')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _456070)
   Exit: (206) [system] peek_char((0x563acd73bee0), ')')
   Call: (206) [system] ')'=')'
   Exit: (206) [system] ')'=')'
   Call: (206) [system] get_char((0x563acd73bee0), _459860)
   Exit: (206) [system] get_char((0x563acd73bee0), ')')
   Call: (206) [system] _438202=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_list(')', (0x563acd73bee0), [])
   Call: (205) [system] _338992=['C']
   Exit: (205) [system] ['C']=['C']
^  Exit: (204) [user] read_list(')', (0x563acd73bee0), ['C'])
   Call: (204) [system] _3820=[['AndLink', 'A', 'B'], 'C']
   Exit: (204) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (203) [user] read_list(')', (0x563acd73bee0), [['AndLink', 'A', 'B'], 'C'])
   Call: (203) [system] _3812=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (203) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (202) [user] read_list(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (201) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (201) [user] read_list(')', (0x563acd73bee0), _473742)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _475600)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x563acd73bee0), _485194)
   Exit: (203) [system] get_char((0x563acd73bee0), ' ')
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _487898)
   Exit: (204) [system] peek_char((0x563acd73bee0), 'B')
   Call: (204) [system] 'B'=(;)
   Fail: (204) [system] 'B'=(;)
   Call: (204) [system] 'B'=(/)
   Fail: (204) [system] 'B'=(/)
^  Call: (204) [user] is_like_space('B')
   Call: (205) [system] char_type('B', 'white')
   Fail: (205) [system] char_type('B', 'white')
   Call: (205) [system] char_type('B', end_of_line)
   Fail: (205) [system] char_type('B', end_of_line)
   Call: (205) [system] char_type('B', space)
   Fail: (205) [system] char_type('B', space)
   Call: (205) [system] char_type('B', cntrl)
   Fail: (205) [system] char_type('B', cntrl)
^  Fail: (204) [user] is_like_space('B')
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _504832)
   Exit: (202) [system] peek_char((0x563acd73bee0), 'B')
   Call: (202) [system] 'B'=')'
   Fail: (202) [system] 'B'=')'
   Call: (202) [system] 'B'=end_of_file
   Fail: (202) [system] 'B'=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x563acd73bee0), _510402)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _512260)
   Exit: (204) [system] peek_char((0x563acd73bee0), 'B')
   Call: (204) [system] 'B'=(;)
   Fail: (204) [system] 'B'=(;)
   Call: (204) [system] 'B'=(/)
   Fail: (204) [system] 'B'=(/)
^  Call: (204) [user] is_like_space('B')
   Call: (205) [system] char_type('B', 'white')
   Fail: (205) [system] char_type('B', 'white')
   Call: (205) [system] char_type('B', end_of_line)
   Fail: (205) [system] char_type('B', end_of_line)
   Call: (205) [system] char_type('B', space)
   Fail: (205) [system] char_type('B', space)
   Call: (205) [system] char_type('B', cntrl)
   Fail: (205) [system] char_type('B', cntrl)
^  Fail: (204) [user] is_like_space('B')
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] get_char((0x563acd73bee0), _528270)
   Exit: (203) [system] get_char((0x563acd73bee0), 'B')
   Call: (203) [system] 'B'='('
   Fail: (203) [system] 'B'='('
   Call: (203) [system] 'B'='['
   Fail: (203) [system] 'B'='['
   Call: (203) [system] 'B'='{'
   Fail: (203) [system] 'B'='{'
   Call: (203) [system] 'B'='"'
   Fail: (203) [system] 'B'='"'
   Call: (203) [system] 'B'=!
   Fail: (203) [system] 'B'=!
   Call: (203) [system] 'B'='\''
   Fail: (203) [system] 'B'='\''
   Call: (203) [system] 'B'='`'
   Fail: (203) [system] 'B'='`'
   Call: (203) [system] 'B'=end_of_file
   Fail: (203) [system] 'B'=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x563acd73bee0), 'B', _510402)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _545912)
   Call: (205) [system] peek_char((0x563acd73bee0), _546846)
   Exit: (205) [system] peek_char((0x563acd73bee0), ')')
^  Call: (205) [user] is_delimiter(')')
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] arg(_551566, v('(', ')', end_of_file), ')')
   Exit: (206) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (205) [user] is_delimiter(')')
   Call: (205) [system] _545912=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (204) [user] classify_and_convert_charseq(['B'], _510402)
^  Call: (205) [user] classify_and_convert_charseq_(['B'], _558002)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_558954, _558956), once(user:catch(read_from_chars(['B'], _558002), _558936, fail)), '$restore_trace'(_558954, _558956))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_558954, _558956))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _558002), _558936, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(_558002)
   Fail: (206) [system] atomic(_558002)
   Call: (206) [system] atom_chars(_558002, ['B'])
   Exit: (206) [system] atom_chars('B', ['B'])
^  Exit: (205) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (205) [system] integer('B')
   Fail: (205) [system] integer('B')
   Call: (205) [system] _510402='B'
   Exit: (205) [system] 'B'='B'
^  Exit: (204) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (203) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (202) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (202) [user] read_list(')', (0x563acd73bee0), _572952)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _574810)
   Exit: (204) [system] peek_char((0x563acd73bee0), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
   Call: (204) [system] ')'=(/)
   Fail: (204) [system] ')'=(/)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _590820)
   Exit: (203) [system] peek_char((0x563acd73bee0), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x563acd73bee0), _594610)
   Exit: (203) [system] get_char((0x563acd73bee0), ')')
   Call: (203) [system] _572952=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x563acd73bee0), [])
   Call: (202) [system] _473742=['B']
   Exit: (202) [system] ['B']=['B']
^  Exit: (201) [user] read_list(')', (0x563acd73bee0), ['B'])
   Call: (201) [system] _3808=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
   Exit: (201) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), [['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
   Call: (200) [system] _3800=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
   Exit: (200) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
^  Exit: (198) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _608492)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _610350)
   Exit: (200) [system] peek_char((0x563acd73bee0), ')')
   Call: (200) [system] ')'=(;)
   Fail: (200) [system] ')'=(;)
   Call: (200) [system] ')'=(/)
   Fail: (200) [system] ')'=(/)
^  Call: (200) [user] is_like_space(')')
   Call: (201) [system] char_type(')', 'white')
   Fail: (201) [system] char_type(')', 'white')
   Call: (201) [system] char_type(')', end_of_line)
   Fail: (201) [system] char_type(')', end_of_line)
   Call: (201) [system] char_type(')', space)
   Fail: (201) [system] char_type(')', space)
   Call: (201) [system] char_type(')', cntrl)
   Fail: (201) [system] char_type(')', cntrl)
^  Fail: (200) [user] is_like_space(')')
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _626360)
   Exit: (199) [system] peek_char((0x563acd73bee0), ')')
   Call: (199) [system] ')'=')'
   Exit: (199) [system] ')'=')'
   Call: (199) [system] get_char((0x563acd73bee0), _630150)
   Exit: (199) [system] get_char((0x563acd73bee0), ')')
   Call: (199) [system] _608492=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_list(')', (0x563acd73bee0), [])
   Call: (198) [system] _3796=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (198) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (197) [user] read_list(')', (0x563acd73bee0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
   Call: (197) [system] _3772=[['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (197) [system] [['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=[['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (196) [user] read_list(')', (0x563acd73bee0), [['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
   Call: (196) [system] _3764=[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (196) [system] [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (195) [user] read_list(')', (0x563acd73bee0), [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
^  Exit: (194) [user] cont_sexpr(')', (0x563acd73bee0), [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
^  Call: (194) [user] read_list(')', (0x563acd73bee0), _644032)
^  Call: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _645890)
   Exit: (196) [system] peek_char((0x563acd73bee0), '\n')
   Call: (196) [system] '\n'=(;)
   Fail: (196) [system] '\n'=(;)
   Call: (196) [system] '\n'=(/)
   Fail: (196) [system] '\n'=(/)
^  Call: (196) [user] is_like_space('\n')
   Call: (197) [system] char_type('\n', 'white')
   Fail: (197) [system] char_type('\n', 'white')
   Call: (197) [system] char_type('\n', end_of_line)
   Exit: (197) [system] char_type('\n', end_of_line)
^  Exit: (196) [user] is_like_space('\n')
   Call: (196) [system] get_char((0x563acd73bee0), _657340)
   Exit: (196) [system] get_char((0x563acd73bee0), '\n')
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _660044)
   Exit: (197) [system] peek_char((0x563acd73bee0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
   Call: (197) [system] ' '=(/)
   Fail: (197) [system] ' '=(/)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x563acd73bee0), _669638)
   Exit: (197) [system] get_char((0x563acd73bee0), ' ')
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _672342)
   Exit: (198) [system] peek_char((0x563acd73bee0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
^  Exit: (195) [user] skip_spaces((0x563acd73bee0))
   Call: (195) [system] peek_char((0x563acd73bee0), _690200)
   Exit: (195) [system] peek_char((0x563acd73bee0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x563acd73bee0), _695770)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _697628)
   Exit: (197) [system] peek_char((0x563acd73bee0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
   Call: (197) [system] '('=(/)
   Fail: (197) [system] '('=(/)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] get_char((0x563acd73bee0), _713638)
   Exit: (196) [system] get_char((0x563acd73bee0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x563acd73bee0), _695770)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _719208)
   Exit: (198) [system] peek_char((0x563acd73bee0), :)
   Call: (198) [system] (:)=(;)
   Fail: (198) [system] (:)=(;)
   Call: (198) [system] (:)=(/)
   Fail: (198) [system] (:)=(/)
^  Call: (198) [user] is_like_space(:)
   Call: (199) [system] char_type(:, 'white')
   Fail: (199) [system] char_type(:, 'white')
   Call: (199) [system] char_type(:, end_of_line)
   Fail: (199) [system] char_type(:, end_of_line)
   Call: (199) [system] char_type(:, space)
   Fail: (199) [system] char_type(:, space)
   Call: (199) [system] char_type(:, cntrl)
   Fail: (199) [system] char_type(:, cntrl)
^  Fail: (198) [user] is_like_space(:)
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _735218)
   Exit: (197) [system] peek_char((0x563acd73bee0), :)
   Call: (197) [system] (:)=')'
   Fail: (197) [system] (:)=')'
   Call: (197) [system] (:)=end_of_file
   Fail: (197) [system] (:)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x563acd73bee0), _740788)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _742646)
   Exit: (199) [system] peek_char((0x563acd73bee0), :)
   Call: (199) [system] (:)=(;)
   Fail: (199) [system] (:)=(;)
   Call: (199) [system] (:)=(/)
   Fail: (199) [system] (:)=(/)
^  Call: (199) [user] is_like_space(:)
   Call: (200) [system] char_type(:, 'white')
   Fail: (200) [system] char_type(:, 'white')
   Call: (200) [system] char_type(:, end_of_line)
   Fail: (200) [system] char_type(:, end_of_line)
   Call: (200) [system] char_type(:, space)
   Fail: (200) [system] char_type(:, space)
   Call: (200) [system] char_type(:, cntrl)
   Fail: (200) [system] char_type(:, cntrl)
^  Fail: (199) [user] is_like_space(:)
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] get_char((0x563acd73bee0), _758656)
   Exit: (198) [system] get_char((0x563acd73bee0), :)
   Call: (198) [system] (:)='('
   Fail: (198) [system] (:)='('
   Call: (198) [system] (:)='['
   Fail: (198) [system] (:)='['
   Call: (198) [system] (:)='{'
   Fail: (198) [system] (:)='{'
   Call: (198) [system] (:)='"'
   Fail: (198) [system] (:)='"'
   Call: (198) [system] (:)=!
   Fail: (198) [system] (:)=!
   Call: (198) [system] (:)='\''
   Fail: (198) [system] (:)='\''
   Call: (198) [system] (:)='`'
   Fail: (198) [system] (:)='`'
   Call: (198) [system] (:)=end_of_file
   Fail: (198) [system] (:)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x563acd73bee0), :, _740788)
^  Call: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), _776298)
   Call: (200) [system] peek_char((0x563acd73bee0), _777232)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _776298=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (199) [user] classify_and_convert_charseq([:], _740788)
^  Call: (200) [user] classify_and_convert_charseq_([:], _786516)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_787468, _787470), once(user:catch(read_from_chars([:], _786516), _787450, fail)), '$restore_trace'(_787468, _787470))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_787468, _787470))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _787450, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(:)
   Exit: (201) [system] atomic(:)
^  Exit: (200) [user] classify_and_convert_charseq_([:], :)
   Call: (200) [system] integer(:)
   Fail: (200) [system] integer(:)
   Call: (200) [system] _740788=(:)
   Exit: (200) [system] (:)=(:)
^  Exit: (199) [user] classify_and_convert_charseq([:], :)
^  Exit: (198) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (197) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _799596)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _801454)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x563acd73bee0), _811048)
   Exit: (199) [system] get_char((0x563acd73bee0), ' ')
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _813752)
   Exit: (200) [system] peek_char((0x563acd73bee0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _830686)
   Exit: (198) [system] peek_char((0x563acd73bee0), '(')
   Call: (198) [system] '('=')'
   Fail: (198) [system] '('=')'
   Call: (198) [system] '('=end_of_file
   Fail: (198) [system] '('=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x563acd73bee0), _836256)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _838114)
   Exit: (200) [system] peek_char((0x563acd73bee0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] get_char((0x563acd73bee0), _854124)
   Exit: (199) [system] get_char((0x563acd73bee0), '(')
   Call: (199) [system] '('='('
   Exit: (199) [system] '('='('
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _836256)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _859694)
   Exit: (201) [system] peek_char((0x563acd73bee0), 'D')
   Call: (201) [system] 'D'=(;)
   Fail: (201) [system] 'D'=(;)
   Call: (201) [system] 'D'=(/)
   Fail: (201) [system] 'D'=(/)
^  Call: (201) [user] is_like_space('D')
   Call: (202) [system] char_type('D', 'white')
   Fail: (202) [system] char_type('D', 'white')
   Call: (202) [system] char_type('D', end_of_line)
   Fail: (202) [system] char_type('D', end_of_line)
   Call: (202) [system] char_type('D', space)
   Fail: (202) [system] char_type('D', space)
   Call: (202) [system] char_type('D', cntrl)
   Fail: (202) [system] char_type('D', cntrl)
^  Fail: (201) [user] is_like_space('D')
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _875704)
   Exit: (200) [system] peek_char((0x563acd73bee0), 'D')
   Call: (200) [system] 'D'=')'
   Fail: (200) [system] 'D'=')'
   Call: (200) [system] 'D'=end_of_file
   Fail: (200) [system] 'D'=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x563acd73bee0), _881274)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _883132)
   Exit: (202) [system] peek_char((0x563acd73bee0), 'D')
   Call: (202) [system] 'D'=(;)
   Fail: (202) [system] 'D'=(;)
   Call: (202) [system] 'D'=(/)
   Fail: (202) [system] 'D'=(/)
^  Call: (202) [user] is_like_space('D')
   Call: (203) [system] char_type('D', 'white')
   Fail: (203) [system] char_type('D', 'white')
   Call: (203) [system] char_type('D', end_of_line)
   Fail: (203) [system] char_type('D', end_of_line)
   Call: (203) [system] char_type('D', space)
   Fail: (203) [system] char_type('D', space)
   Call: (203) [system] char_type('D', cntrl)
   Fail: (203) [system] char_type('D', cntrl)
^  Fail: (202) [user] is_like_space('D')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] get_char((0x563acd73bee0), _899142)
   Exit: (201) [system] get_char((0x563acd73bee0), 'D')
   Call: (201) [system] 'D'='('
   Fail: (201) [system] 'D'='('
   Call: (201) [system] 'D'='['
   Fail: (201) [system] 'D'='['
   Call: (201) [system] 'D'='{'
   Fail: (201) [system] 'D'='{'
   Call: (201) [system] 'D'='"'
   Fail: (201) [system] 'D'='"'
   Call: (201) [system] 'D'=!
   Fail: (201) [system] 'D'=!
   Call: (201) [system] 'D'='\''
   Fail: (201) [system] 'D'='\''
   Call: (201) [system] 'D'='`'
   Fail: (201) [system] 'D'='`'
   Call: (201) [system] 'D'=end_of_file
   Fail: (201) [system] 'D'=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x563acd73bee0), 'D', _881274)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _916784)
   Call: (203) [system] peek_char((0x563acd73bee0), _917718)
   Exit: (203) [system] peek_char((0x563acd73bee0), i)
^  Call: (203) [user] is_delimiter(i)
   Call: (204) [system] char_type(i, space)
   Fail: (204) [system] char_type(i, space)
   Call: (204) [system] arg(_922438, v('(', ')', end_of_file), i)
   Fail: (204) [system] arg(_923370, v('(', ')', end_of_file), i)
^  Fail: (203) [user] is_delimiter(i)
   Call: (203) [system] ')'==i
   Fail: (203) [system] ')'==i
   Call: (203) [system] get_char((0x563acd73bee0), i)
   Exit: (203) [system] get_char((0x563acd73bee0), i)
   Call: (203) [system] i=(\)
   Fail: (203) [system] i=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _930720)
   Call: (204) [system] peek_char((0x563acd73bee0), _931654)
   Exit: (204) [system] peek_char((0x563acd73bee0), s)
^  Call: (204) [user] is_delimiter(s)
   Call: (205) [system] char_type(s, space)
   Fail: (205) [system] char_type(s, space)
   Call: (205) [system] arg(_936374, v('(', ')', end_of_file), s)
   Fail: (205) [system] arg(_937306, v('(', ')', end_of_file), s)
^  Fail: (204) [user] is_delimiter(s)
   Call: (204) [system] ')'==s
   Fail: (204) [system] ')'==s
   Call: (204) [system] get_char((0x563acd73bee0), s)
   Exit: (204) [system] get_char((0x563acd73bee0), s)
   Call: (204) [system] s=(\)
   Fail: (204) [system] s=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _944656)
   Call: (205) [system] peek_char((0x563acd73bee0), _945590)
   Exit: (205) [system] peek_char((0x563acd73bee0), j)
^  Call: (205) [user] is_delimiter(j)
   Call: (206) [system] char_type(j, space)
   Fail: (206) [system] char_type(j, space)
   Call: (206) [system] arg(_950310, v('(', ')', end_of_file), j)
   Fail: (206) [system] arg(_951242, v('(', ')', end_of_file), j)
^  Fail: (205) [user] is_delimiter(j)
   Call: (205) [system] ')'==j
   Fail: (205) [system] ')'==j
   Call: (205) [system] get_char((0x563acd73bee0), j)
   Exit: (205) [system] get_char((0x563acd73bee0), j)
   Call: (205) [system] j=(\)
   Fail: (205) [system] j=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _958592)
   Call: (206) [system] peek_char((0x563acd73bee0), _959526)
   Exit: (206) [system] peek_char((0x563acd73bee0), u)
^  Call: (206) [user] is_delimiter(u)
   Call: (207) [system] char_type(u, space)
   Fail: (207) [system] char_type(u, space)
   Call: (207) [system] arg(_964246, v('(', ')', end_of_file), u)
   Fail: (207) [system] arg(_965178, v('(', ')', end_of_file), u)
^  Fail: (206) [user] is_delimiter(u)
   Call: (206) [system] ')'==u
   Fail: (206) [system] ')'==u
   Call: (206) [system] get_char((0x563acd73bee0), u)
   Exit: (206) [system] get_char((0x563acd73bee0), u)
   Call: (206) [system] u=(\)
   Fail: (206) [system] u=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _972528)
   Call: (207) [system] peek_char((0x563acd73bee0), _973462)
   Exit: (207) [system] peek_char((0x563acd73bee0), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Fail: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_978182, v('(', ')', end_of_file), n)
   Fail: (208) [system] arg(_979114, v('(', ')', end_of_file), n)
^  Fail: (207) [user] is_delimiter(n)
   Call: (207) [system] ')'==n
   Fail: (207) [system] ')'==n
   Call: (207) [system] get_char((0x563acd73bee0), n)
   Exit: (207) [system] get_char((0x563acd73bee0), n)
   Call: (207) [system] n=(\)
   Fail: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _986464)
   Call: (208) [system] peek_char((0x563acd73bee0), _987398)
   Exit: (208) [system] peek_char((0x563acd73bee0), c)
^  Call: (208) [user] is_delimiter(c)
   Call: (209) [system] char_type(c, space)
   Fail: (209) [system] char_type(c, space)
   Call: (209) [system] arg(_992118, v('(', ')', end_of_file), c)
   Fail: (209) [system] arg(_993050, v('(', ')', end_of_file), c)
^  Fail: (208) [user] is_delimiter(c)
   Call: (208) [system] ')'==c
   Fail: (208) [system] ')'==c
   Call: (208) [system] get_char((0x563acd73bee0), c)
   Exit: (208) [system] get_char((0x563acd73bee0), c)
   Call: (208) [system] c=(\)
   Fail: (208) [system] c=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1000400)
   Call: (209) [system] peek_char((0x563acd73bee0), _1001334)
   Exit: (209) [system] peek_char((0x563acd73bee0), t)
^  Call: (209) [user] is_delimiter(t)
   Call: (210) [system] char_type(t, space)
   Fail: (210) [system] char_type(t, space)
   Call: (210) [system] arg(_1006054, v('(', ')', end_of_file), t)
   Fail: (210) [system] arg(_1006986, v('(', ')', end_of_file), t)
^  Fail: (209) [user] is_delimiter(t)
   Call: (209) [system] ')'==t
   Fail: (209) [system] ')'==t
   Call: (209) [system] get_char((0x563acd73bee0), t)
   Exit: (209) [system] get_char((0x563acd73bee0), t)
   Call: (209) [system] t=(\)
   Fail: (209) [system] t=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1014336)
   Call: (210) [system] peek_char((0x563acd73bee0), _1015270)
   Exit: (210) [system] peek_char((0x563acd73bee0), i)
^  Call: (210) [user] is_delimiter(i)
   Call: (211) [system] char_type(i, space)
   Fail: (211) [system] char_type(i, space)
   Call: (211) [system] arg(_1019990, v('(', ')', end_of_file), i)
   Fail: (211) [system] arg(_1020922, v('(', ')', end_of_file), i)
^  Fail: (210) [user] is_delimiter(i)
   Call: (210) [system] ')'==i
   Fail: (210) [system] ')'==i
   Call: (210) [system] get_char((0x563acd73bee0), i)
   Exit: (210) [system] get_char((0x563acd73bee0), i)
   Call: (210) [system] i=(\)
   Fail: (210) [system] i=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1028272)
   Call: (211) [system] peek_char((0x563acd73bee0), _1029206)
   Exit: (211) [system] peek_char((0x563acd73bee0), o)
^  Call: (211) [user] is_delimiter(o)
   Call: (212) [system] char_type(o, space)
   Fail: (212) [system] char_type(o, space)
   Call: (212) [system] arg(_1033926, v('(', ')', end_of_file), o)
   Fail: (212) [system] arg(_1034858, v('(', ')', end_of_file), o)
^  Fail: (211) [user] is_delimiter(o)
   Call: (211) [system] ')'==o
   Fail: (211) [system] ')'==o
   Call: (211) [system] get_char((0x563acd73bee0), o)
   Exit: (211) [system] get_char((0x563acd73bee0), o)
   Call: (211) [system] o=(\)
   Fail: (211) [system] o=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1042208)
   Call: (212) [system] peek_char((0x563acd73bee0), _1043142)
   Exit: (212) [system] peek_char((0x563acd73bee0), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Fail: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_1047862, v('(', ')', end_of_file), n)
   Fail: (213) [system] arg(_1048794, v('(', ')', end_of_file), n)
^  Fail: (212) [user] is_delimiter(n)
   Call: (212) [system] ')'==n
   Fail: (212) [system] ')'==n
   Call: (212) [system] get_char((0x563acd73bee0), n)
   Exit: (212) [system] get_char((0x563acd73bee0), n)
   Call: (212) [system] n=(\)
   Fail: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _1056144)
   Call: (213) [system] peek_char((0x563acd73bee0), _1057078)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'I')
^  Call: (213) [user] is_delimiter('I')
   Call: (214) [system] char_type('I', space)
   Fail: (214) [system] char_type('I', space)
   Call: (214) [system] arg(_1061798, v('(', ')', end_of_file), 'I')
   Fail: (214) [system] arg(_1062730, v('(', ')', end_of_file), 'I')
^  Fail: (213) [user] is_delimiter('I')
   Call: (213) [system] ')'=='I'
   Fail: (213) [system] ')'=='I'
   Call: (213) [system] get_char((0x563acd73bee0), 'I')
   Exit: (213) [system] get_char((0x563acd73bee0), 'I')
   Call: (213) [system] 'I'=(\)
   Fail: (213) [system] 'I'=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _1070080)
   Call: (214) [system] peek_char((0x563acd73bee0), _1071014)
   Exit: (214) [system] peek_char((0x563acd73bee0), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_1075734, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_1076666, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x563acd73bee0), n)
   Exit: (214) [system] get_char((0x563acd73bee0), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _1084016)
   Call: (215) [system] peek_char((0x563acd73bee0), _1084950)
   Exit: (215) [system] peek_char((0x563acd73bee0), t)
^  Call: (215) [user] is_delimiter(t)
   Call: (216) [system] char_type(t, space)
   Fail: (216) [system] char_type(t, space)
   Call: (216) [system] arg(_1089670, v('(', ')', end_of_file), t)
   Fail: (216) [system] arg(_1090602, v('(', ')', end_of_file), t)
^  Fail: (215) [user] is_delimiter(t)
   Call: (215) [system] ')'==t
   Fail: (215) [system] ')'==t
   Call: (215) [system] get_char((0x563acd73bee0), t)
   Exit: (215) [system] get_char((0x563acd73bee0), t)
   Call: (215) [system] t=(\)
   Fail: (215) [system] t=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _1097952)
   Call: (216) [system] peek_char((0x563acd73bee0), _1098886)
   Exit: (216) [system] peek_char((0x563acd73bee0), r)
^  Call: (216) [user] is_delimiter(r)
   Call: (217) [system] char_type(r, space)
   Fail: (217) [system] char_type(r, space)
   Call: (217) [system] arg(_1103606, v('(', ')', end_of_file), r)
   Fail: (217) [system] arg(_1104538, v('(', ')', end_of_file), r)
^  Fail: (216) [user] is_delimiter(r)
   Call: (216) [system] ')'==r
   Fail: (216) [system] ')'==r
   Call: (216) [system] get_char((0x563acd73bee0), r)
   Exit: (216) [system] get_char((0x563acd73bee0), r)
   Call: (216) [system] r=(\)
   Fail: (216) [system] r=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _1111888)
   Call: (217) [system] peek_char((0x563acd73bee0), _1112822)
   Exit: (217) [system] peek_char((0x563acd73bee0), o)
^  Call: (217) [user] is_delimiter(o)
   Call: (218) [system] char_type(o, space)
   Fail: (218) [system] char_type(o, space)
   Call: (218) [system] arg(_1117542, v('(', ')', end_of_file), o)
   Fail: (218) [system] arg(_1118474, v('(', ')', end_of_file), o)
^  Fail: (217) [user] is_delimiter(o)
   Call: (217) [system] ')'==o
   Fail: (217) [system] ')'==o
   Call: (217) [system] get_char((0x563acd73bee0), o)
   Exit: (217) [system] get_char((0x563acd73bee0), o)
   Call: (217) [system] o=(\)
   Fail: (217) [system] o=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _1125824)
   Call: (218) [system] peek_char((0x563acd73bee0), _1126758)
   Exit: (218) [system] peek_char((0x563acd73bee0), d)
^  Call: (218) [user] is_delimiter(d)
   Call: (219) [system] char_type(d, space)
   Fail: (219) [system] char_type(d, space)
   Call: (219) [system] arg(_1131478, v('(', ')', end_of_file), d)
   Fail: (219) [system] arg(_1132410, v('(', ')', end_of_file), d)
^  Fail: (218) [user] is_delimiter(d)
   Call: (218) [system] ')'==d
   Fail: (218) [system] ')'==d
   Call: (218) [system] get_char((0x563acd73bee0), d)
   Exit: (218) [system] get_char((0x563acd73bee0), d)
   Call: (218) [system] d=(\)
   Fail: (218) [system] d=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _1139760)
   Call: (219) [system] peek_char((0x563acd73bee0), _1140694)
   Exit: (219) [system] peek_char((0x563acd73bee0), u)
^  Call: (219) [user] is_delimiter(u)
   Call: (220) [system] char_type(u, space)
   Fail: (220) [system] char_type(u, space)
   Call: (220) [system] arg(_1145414, v('(', ')', end_of_file), u)
   Fail: (220) [system] arg(_1146346, v('(', ')', end_of_file), u)
^  Fail: (219) [user] is_delimiter(u)
   Call: (219) [system] ')'==u
   Fail: (219) [system] ')'==u
   Call: (219) [system] get_char((0x563acd73bee0), u)
   Exit: (219) [system] get_char((0x563acd73bee0), u)
   Call: (219) [system] u=(\)
   Fail: (219) [system] u=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _1153696)
   Call: (220) [system] peek_char((0x563acd73bee0), _1154630)
   Exit: (220) [system] peek_char((0x563acd73bee0), c)
^  Call: (220) [user] is_delimiter(c)
   Call: (221) [system] char_type(c, space)
   Fail: (221) [system] char_type(c, space)
   Call: (221) [system] arg(_1159350, v('(', ')', end_of_file), c)
   Fail: (221) [system] arg(_1160282, v('(', ')', end_of_file), c)
^  Fail: (220) [user] is_delimiter(c)
   Call: (220) [system] ')'==c
   Fail: (220) [system] ')'==c
   Call: (220) [system] get_char((0x563acd73bee0), c)
   Exit: (220) [system] get_char((0x563acd73bee0), c)
   Call: (220) [system] c=(\)
   Fail: (220) [system] c=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _1167632)
   Call: (221) [system] peek_char((0x563acd73bee0), _1168566)
   Exit: (221) [system] peek_char((0x563acd73bee0), t)
^  Call: (221) [user] is_delimiter(t)
   Call: (222) [system] char_type(t, space)
   Fail: (222) [system] char_type(t, space)
   Call: (222) [system] arg(_1173286, v('(', ')', end_of_file), t)
   Fail: (222) [system] arg(_1174218, v('(', ')', end_of_file), t)
^  Fail: (221) [user] is_delimiter(t)
   Call: (221) [system] ')'==t
   Fail: (221) [system] ')'==t
   Call: (221) [system] get_char((0x563acd73bee0), t)
   Exit: (221) [system] get_char((0x563acd73bee0), t)
   Call: (221) [system] t=(\)
   Fail: (221) [system] t=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _1181568)
   Call: (222) [system] peek_char((0x563acd73bee0), _1182502)
   Exit: (222) [system] peek_char((0x563acd73bee0), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_1187222, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_1188154, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x563acd73bee0), i)
   Exit: (222) [system] get_char((0x563acd73bee0), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _1195504)
   Call: (223) [system] peek_char((0x563acd73bee0), _1196438)
   Exit: (223) [system] peek_char((0x563acd73bee0), o)
^  Call: (223) [user] is_delimiter(o)
   Call: (224) [system] char_type(o, space)
   Fail: (224) [system] char_type(o, space)
   Call: (224) [system] arg(_1201158, v('(', ')', end_of_file), o)
   Fail: (224) [system] arg(_1202090, v('(', ')', end_of_file), o)
^  Fail: (223) [user] is_delimiter(o)
   Call: (223) [system] ')'==o
   Fail: (223) [system] ')'==o
   Call: (223) [system] get_char((0x563acd73bee0), o)
   Exit: (223) [system] get_char((0x563acd73bee0), o)
   Call: (223) [system] o=(\)
   Fail: (223) [system] o=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _1209440)
   Call: (224) [system] peek_char((0x563acd73bee0), _1210374)
   Exit: (224) [system] peek_char((0x563acd73bee0), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_1215094, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_1216026, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x563acd73bee0), n)
   Exit: (224) [system] get_char((0x563acd73bee0), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _1223376)
   Call: (225) [system] peek_char((0x563acd73bee0), _1224310)
   Exit: (225) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _1223376=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (224) [system] _1209440=[n]
   Exit: (224) [system] [n]=[n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (223) [system] _1195504=[o, n]
   Exit: (223) [system] [o, n]=[o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (222) [system] _1181568=[i, o, n]
   Exit: (222) [system] [i, o, n]=[i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (221) [system] _1167632=[t, i, o, n]
   Exit: (221) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (220) [system] _1153696=[c, t, i, o, n]
   Exit: (220) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n])
   Call: (219) [system] _1139760=[u, c, t, i, o, n]
   Exit: (219) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, i, o, n])
   Call: (218) [system] _1125824=[d, u, c, t, i, o, n]
   Exit: (218) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, u, c, t, i, o, n])
   Call: (217) [system] _1111888=[o, d, u, c, t, i, o, n]
   Exit: (217) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, d, u, c, t, i, o, n])
   Call: (216) [system] _1097952=[r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1084016=[t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _1070080=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1056144=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _1042208=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _1028272=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _1014336=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _1000400=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _986464=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (207) [system] _972528=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (207) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (206) [system] _958592=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (206) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (205) [system] _944656=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (205) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (204) [system] _930720=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (204) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (203) [system] _916784=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (203) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (202) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _881274)
^  Call: (203) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1295062)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_1296014, _1296016), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1295062), _1295996, fail)), '$restore_trace'(_1296014, _1296016))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_1296014, _1296016))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1295062), _1295996, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(_1295062)
   Fail: (204) [system] atomic(_1295062)
   Call: (204) [system] atom_chars(_1295062, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (204) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (203) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (203) [system] integer('DisjunctionIntroduction')
   Fail: (203) [system] integer('DisjunctionIntroduction')
   Call: (203) [system] _881274='DisjunctionIntroduction'
   Exit: (203) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (202) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (201) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'DisjunctionIntroduction')
^  Exit: (200) [user] cont_sexpr(')', (0x563acd73bee0), 'DisjunctionIntroduction')
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _1310012)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1311870)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x563acd73bee0), _1321464)
   Exit: (202) [system] get_char((0x563acd73bee0), ' ')
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1324168)
   Exit: (203) [system] peek_char((0x563acd73bee0), a)
   Call: (203) [system] a=(;)
   Fail: (203) [system] a=(;)
   Call: (203) [system] a=(/)
   Fail: (203) [system] a=(/)
^  Call: (203) [user] is_like_space(a)
   Call: (204) [system] char_type(a, 'white')
   Fail: (204) [system] char_type(a, 'white')
   Call: (204) [system] char_type(a, end_of_line)
   Fail: (204) [system] char_type(a, end_of_line)
   Call: (204) [system] char_type(a, space)
   Fail: (204) [system] char_type(a, space)
   Call: (204) [system] char_type(a, cntrl)
   Fail: (204) [system] char_type(a, cntrl)
^  Fail: (203) [user] is_like_space(a)
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1341102)
   Exit: (201) [system] peek_char((0x563acd73bee0), a)
   Call: (201) [system] a=')'
   Fail: (201) [system] a=')'
   Call: (201) [system] a=end_of_file
   Fail: (201) [system] a=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x563acd73bee0), _1346672)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1348530)
   Exit: (203) [system] peek_char((0x563acd73bee0), a)
   Call: (203) [system] a=(;)
   Fail: (203) [system] a=(;)
   Call: (203) [system] a=(/)
   Fail: (203) [system] a=(/)
^  Call: (203) [user] is_like_space(a)
   Call: (204) [system] char_type(a, 'white')
   Fail: (204) [system] char_type(a, 'white')
   Call: (204) [system] char_type(a, end_of_line)
   Fail: (204) [system] char_type(a, end_of_line)
   Call: (204) [system] char_type(a, space)
   Fail: (204) [system] char_type(a, space)
   Call: (204) [system] char_type(a, cntrl)
   Fail: (204) [system] char_type(a, cntrl)
^  Fail: (203) [user] is_like_space(a)
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] get_char((0x563acd73bee0), _1364540)
   Exit: (202) [system] get_char((0x563acd73bee0), a)
   Call: (202) [system] a='('
   Fail: (202) [system] a='('
   Call: (202) [system] a='['
   Fail: (202) [system] a='['
   Call: (202) [system] a='{'
   Fail: (202) [system] a='{'
   Call: (202) [system] a='"'
   Fail: (202) [system] a='"'
   Call: (202) [system] a=!
   Fail: (202) [system] a=!
   Call: (202) [system] a='\''
   Fail: (202) [system] a='\''
   Call: (202) [system] a='`'
   Fail: (202) [system] a='`'
   Call: (202) [system] a=end_of_file
   Fail: (202) [system] a=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x563acd73bee0), a, _1346672)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1382182)
   Call: (204) [system] peek_char((0x563acd73bee0), _1383116)
   Exit: (204) [system] peek_char((0x563acd73bee0), b)
^  Call: (204) [user] is_delimiter(b)
   Call: (205) [system] char_type(b, space)
   Fail: (205) [system] char_type(b, space)
   Call: (205) [system] arg(_1387836, v('(', ')', end_of_file), b)
   Fail: (205) [system] arg(_1388768, v('(', ')', end_of_file), b)
^  Fail: (204) [user] is_delimiter(b)
   Call: (204) [system] ')'==b
   Fail: (204) [system] ')'==b
   Call: (204) [system] get_char((0x563acd73bee0), b)
   Exit: (204) [system] get_char((0x563acd73bee0), b)
   Call: (204) [system] b=(\)
   Fail: (204) [system] b=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1396118)
   Call: (205) [system] peek_char((0x563acd73bee0), _1397052)
   Exit: (205) [system] peek_char((0x563acd73bee0), c)
^  Call: (205) [user] is_delimiter(c)
   Call: (206) [system] char_type(c, space)
   Fail: (206) [system] char_type(c, space)
   Call: (206) [system] arg(_1401772, v('(', ')', end_of_file), c)
   Fail: (206) [system] arg(_1402704, v('(', ')', end_of_file), c)
^  Fail: (205) [user] is_delimiter(c)
   Call: (205) [system] ')'==c
   Fail: (205) [system] ')'==c
   Call: (205) [system] get_char((0x563acd73bee0), c)
   Exit: (205) [system] get_char((0x563acd73bee0), c)
   Call: (205) [system] c=(\)
   Fail: (205) [system] c=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1410054)
   Call: (206) [system] peek_char((0x563acd73bee0), _1410988)
   Exit: (206) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _1410054=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (205) [system] _1396118=[c]
   Exit: (205) [system] [c]=[c]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [c])
   Call: (204) [system] _1382182=[b, c]
   Exit: (204) [system] [b, c]=[b, c]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [b, c])
^  Call: (203) [user] classify_and_convert_charseq([a, b, c], _1346672)
^  Call: (204) [user] classify_and_convert_charseq_([a, b, c], _1425860)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_1426812, _1426814), once(user:catch(read_from_chars([a, b, c], _1425860), _1426794, fail)), '$restore_trace'(_1426812, _1426814))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_1426812, _1426814))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1426794, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(abc)
   Exit: (205) [system] atomic(abc)
^  Exit: (204) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (204) [system] integer(abc)
   Fail: (204) [system] integer(abc)
   Call: (204) [system] _1346672=abc
   Exit: (204) [system] abc=abc
^  Exit: (203) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (202) [user] read_symbolic(')', (0x563acd73bee0), a, abc)
^  Exit: (201) [user] cont_sexpr(')', (0x563acd73bee0), abc)
^  Call: (201) [user] read_list(')', (0x563acd73bee0), _1438940)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1440798)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x563acd73bee0), _1450392)
   Exit: (203) [system] get_char((0x563acd73bee0), ' ')
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1453096)
   Exit: (204) [system] peek_char((0x563acd73bee0), c)
   Call: (204) [system] c=(;)
   Fail: (204) [system] c=(;)
   Call: (204) [system] c=(/)
   Fail: (204) [system] c=(/)
^  Call: (204) [user] is_like_space(c)
   Call: (205) [system] char_type(c, 'white')
   Fail: (205) [system] char_type(c, 'white')
   Call: (205) [system] char_type(c, end_of_line)
   Fail: (205) [system] char_type(c, end_of_line)
   Call: (205) [system] char_type(c, space)
   Fail: (205) [system] char_type(c, space)
   Call: (205) [system] char_type(c, cntrl)
   Fail: (205) [system] char_type(c, cntrl)
^  Fail: (204) [user] is_like_space(c)
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1470030)
   Exit: (202) [system] peek_char((0x563acd73bee0), c)
   Call: (202) [system] c=')'
   Fail: (202) [system] c=')'
   Call: (202) [system] c=end_of_file
   Fail: (202) [system] c=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x563acd73bee0), _1475600)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1477458)
   Exit: (204) [system] peek_char((0x563acd73bee0), c)
   Call: (204) [system] c=(;)
   Fail: (204) [system] c=(;)
   Call: (204) [system] c=(/)
   Fail: (204) [system] c=(/)
^  Call: (204) [user] is_like_space(c)
   Call: (205) [system] char_type(c, 'white')
   Fail: (205) [system] char_type(c, 'white')
   Call: (205) [system] char_type(c, end_of_line)
   Fail: (205) [system] char_type(c, end_of_line)
   Call: (205) [system] char_type(c, space)
   Fail: (205) [system] char_type(c, space)
   Call: (205) [system] char_type(c, cntrl)
   Fail: (205) [system] char_type(c, cntrl)
^  Fail: (204) [user] is_like_space(c)
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] get_char((0x563acd73bee0), _1493468)
   Exit: (203) [system] get_char((0x563acd73bee0), c)
   Call: (203) [system] c='('
   Fail: (203) [system] c='('
   Call: (203) [system] c='['
   Fail: (203) [system] c='['
   Call: (203) [system] c='{'
   Fail: (203) [system] c='{'
   Call: (203) [system] c='"'
   Fail: (203) [system] c='"'
   Call: (203) [system] c=!
   Fail: (203) [system] c=!
   Call: (203) [system] c='\''
   Fail: (203) [system] c='\''
   Call: (203) [system] c='`'
   Fail: (203) [system] c='`'
   Call: (203) [system] c=end_of_file
   Fail: (203) [system] c=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x563acd73bee0), c, _1475600)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1511110)
   Call: (205) [system] peek_char((0x563acd73bee0), _1512044)
   Exit: (205) [system] peek_char((0x563acd73bee0), d)
^  Call: (205) [user] is_delimiter(d)
   Call: (206) [system] char_type(d, space)
   Fail: (206) [system] char_type(d, space)
   Call: (206) [system] arg(_1516764, v('(', ')', end_of_file), d)
   Fail: (206) [system] arg(_1517696, v('(', ')', end_of_file), d)
^  Fail: (205) [user] is_delimiter(d)
   Call: (205) [system] ')'==d
   Fail: (205) [system] ')'==d
   Call: (205) [system] get_char((0x563acd73bee0), d)
   Exit: (205) [system] get_char((0x563acd73bee0), d)
   Call: (205) [system] d=(\)
   Fail: (205) [system] d=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1525046)
   Call: (206) [system] peek_char((0x563acd73bee0), _1525980)
   Exit: (206) [system] peek_char((0x563acd73bee0), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Fail: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_1530700, v('(', ')', end_of_file), e)
   Fail: (207) [system] arg(_1531632, v('(', ')', end_of_file), e)
^  Fail: (206) [user] is_delimiter(e)
   Call: (206) [system] ')'==e
   Fail: (206) [system] ')'==e
   Call: (206) [system] get_char((0x563acd73bee0), e)
   Exit: (206) [system] get_char((0x563acd73bee0), e)
   Call: (206) [system] e=(\)
   Fail: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1538982)
   Call: (207) [system] peek_char((0x563acd73bee0), _1539916)
   Exit: (207) [system] peek_char((0x563acd73bee0), ')')
^  Call: (207) [user] is_delimiter(')')
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] arg(_1544636, v('(', ')', end_of_file), ')')
   Exit: (208) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (207) [user] is_delimiter(')')
   Call: (207) [system] _1538982=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (206) [system] _1525046=[e]
   Exit: (206) [system] [e]=[e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [e])
   Call: (205) [system] _1511110=[d, e]
   Exit: (205) [system] [d, e]=[d, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, e])
^  Call: (204) [user] classify_and_convert_charseq([c, d, e], _1475600)
^  Call: (205) [user] classify_and_convert_charseq_([c, d, e], _1556660)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_1557612, _1557614), once(user:catch(read_from_chars([c, d, e], _1556660), _1557594, fail)), '$restore_trace'(_1557612, _1557614))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_1557612, _1557614))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1557594, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(cde)
   Exit: (206) [system] atomic(cde)
^  Exit: (205) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (205) [system] integer(cde)
   Fail: (205) [system] integer(cde)
   Call: (205) [system] _1475600=cde
   Exit: (205) [system] cde=cde
^  Exit: (204) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (203) [user] read_symbolic(')', (0x563acd73bee0), c, cde)
^  Exit: (202) [user] cont_sexpr(')', (0x563acd73bee0), cde)
^  Call: (202) [user] read_list(')', (0x563acd73bee0), _1569740)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1571598)
   Exit: (204) [system] peek_char((0x563acd73bee0), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
   Call: (204) [system] ')'=(/)
   Fail: (204) [system] ')'=(/)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1587608)
   Exit: (203) [system] peek_char((0x563acd73bee0), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x563acd73bee0), _1591398)
   Exit: (203) [system] get_char((0x563acd73bee0), ')')
   Call: (203) [system] _1569740=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x563acd73bee0), [])
   Call: (202) [system] _1438940=[cde]
   Exit: (202) [system] [cde]=[cde]
^  Exit: (201) [user] read_list(')', (0x563acd73bee0), [cde])
   Call: (201) [system] _1310012=[abc, cde]
   Exit: (201) [system] [abc, cde]=[abc, cde]
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), [abc, cde])
   Call: (200) [system] _836256=['DisjunctionIntroduction', abc, cde]
   Exit: (200) [system] ['DisjunctionIntroduction', abc, cde]=['DisjunctionIntroduction', abc, cde]
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), ['DisjunctionIntroduction', abc, cde])
^  Exit: (198) [user] cont_sexpr(')', (0x563acd73bee0), ['DisjunctionIntroduction', abc, cde])
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _1605280)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1607138)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x563acd73bee0), _1616732)
   Exit: (200) [system] get_char((0x563acd73bee0), ' ')
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1619436)
   Exit: (201) [system] peek_char((0x563acd73bee0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
   Call: (201) [system] '('=(/)
   Fail: (201) [system] '('=(/)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1636370)
   Exit: (199) [system] peek_char((0x563acd73bee0), '(')
   Call: (199) [system] '('=')'
   Fail: (199) [system] '('=')'
   Call: (199) [system] '('=end_of_file
   Fail: (199) [system] '('=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x563acd73bee0), _1641940)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1643798)
   Exit: (201) [system] peek_char((0x563acd73bee0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
   Call: (201) [system] '('=(/)
   Fail: (201) [system] '('=(/)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] get_char((0x563acd73bee0), _1659808)
   Exit: (200) [system] get_char((0x563acd73bee0), '(')
   Call: (200) [system] '('='('
   Exit: (200) [system] '('='('
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _1641940)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1665378)
   Exit: (202) [system] peek_char((0x563acd73bee0), 'O')
   Call: (202) [system] 'O'=(;)
   Fail: (202) [system] 'O'=(;)
   Call: (202) [system] 'O'=(/)
   Fail: (202) [system] 'O'=(/)
^  Call: (202) [user] is_like_space('O')
   Call: (203) [system] char_type('O', 'white')
   Fail: (203) [system] char_type('O', 'white')
   Call: (203) [system] char_type('O', end_of_line)
   Fail: (203) [system] char_type('O', end_of_line)
   Call: (203) [system] char_type('O', space)
   Fail: (203) [system] char_type('O', space)
   Call: (203) [system] char_type('O', cntrl)
   Fail: (203) [system] char_type('O', cntrl)
^  Fail: (202) [user] is_like_space('O')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1681388)
   Exit: (201) [system] peek_char((0x563acd73bee0), 'O')
   Call: (201) [system] 'O'=')'
   Fail: (201) [system] 'O'=')'
   Call: (201) [system] 'O'=end_of_file
   Fail: (201) [system] 'O'=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x563acd73bee0), _1686958)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1688816)
   Exit: (203) [system] peek_char((0x563acd73bee0), 'O')
   Call: (203) [system] 'O'=(;)
   Fail: (203) [system] 'O'=(;)
   Call: (203) [system] 'O'=(/)
   Fail: (203) [system] 'O'=(/)
^  Call: (203) [user] is_like_space('O')
   Call: (204) [system] char_type('O', 'white')
   Fail: (204) [system] char_type('O', 'white')
   Call: (204) [system] char_type('O', end_of_line)
   Fail: (204) [system] char_type('O', end_of_line)
   Call: (204) [system] char_type('O', space)
   Fail: (204) [system] char_type('O', space)
   Call: (204) [system] char_type('O', cntrl)
   Fail: (204) [system] char_type('O', cntrl)
^  Fail: (203) [user] is_like_space('O')
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] get_char((0x563acd73bee0), _1704826)
   Exit: (202) [system] get_char((0x563acd73bee0), 'O')
   Call: (202) [system] 'O'='('
   Fail: (202) [system] 'O'='('
   Call: (202) [system] 'O'='['
   Fail: (202) [system] 'O'='['
   Call: (202) [system] 'O'='{'
   Fail: (202) [system] 'O'='{'
   Call: (202) [system] 'O'='"'
   Fail: (202) [system] 'O'='"'
   Call: (202) [system] 'O'=!
   Fail: (202) [system] 'O'=!
   Call: (202) [system] 'O'='\''
   Fail: (202) [system] 'O'='\''
   Call: (202) [system] 'O'='`'
   Fail: (202) [system] 'O'='`'
   Call: (202) [system] 'O'=end_of_file
   Fail: (202) [system] 'O'=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x563acd73bee0), 'O', _1686958)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1722468)
   Call: (204) [system] peek_char((0x563acd73bee0), _1723402)
   Exit: (204) [system] peek_char((0x563acd73bee0), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_1728122, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_1729054, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x563acd73bee0), r)
   Exit: (204) [system] get_char((0x563acd73bee0), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1736404)
   Call: (205) [system] peek_char((0x563acd73bee0), _1737338)
   Exit: (205) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (205) [user] is_delimiter('L')
   Call: (206) [system] char_type('L', space)
   Fail: (206) [system] char_type('L', space)
   Call: (206) [system] arg(_1742058, v('(', ')', end_of_file), 'L')
   Fail: (206) [system] arg(_1742990, v('(', ')', end_of_file), 'L')
^  Fail: (205) [user] is_delimiter('L')
   Call: (205) [system] ')'=='L'
   Fail: (205) [system] ')'=='L'
   Call: (205) [system] get_char((0x563acd73bee0), 'L')
   Exit: (205) [system] get_char((0x563acd73bee0), 'L')
   Call: (205) [system] 'L'=(\)
   Fail: (205) [system] 'L'=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1750340)
   Call: (206) [system] peek_char((0x563acd73bee0), _1751274)
   Exit: (206) [system] peek_char((0x563acd73bee0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_1755994, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_1756926, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x563acd73bee0), i)
   Exit: (206) [system] get_char((0x563acd73bee0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1764276)
   Call: (207) [system] peek_char((0x563acd73bee0), _1765210)
   Exit: (207) [system] peek_char((0x563acd73bee0), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Fail: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_1769930, v('(', ')', end_of_file), n)
   Fail: (208) [system] arg(_1770862, v('(', ')', end_of_file), n)
^  Fail: (207) [user] is_delimiter(n)
   Call: (207) [system] ')'==n
   Fail: (207) [system] ')'==n
   Call: (207) [system] get_char((0x563acd73bee0), n)
   Exit: (207) [system] get_char((0x563acd73bee0), n)
   Call: (207) [system] n=(\)
   Fail: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1778212)
   Call: (208) [system] peek_char((0x563acd73bee0), _1779146)
   Exit: (208) [system] peek_char((0x563acd73bee0), k)
^  Call: (208) [user] is_delimiter(k)
   Call: (209) [system] char_type(k, space)
   Fail: (209) [system] char_type(k, space)
   Call: (209) [system] arg(_1783866, v('(', ')', end_of_file), k)
   Fail: (209) [system] arg(_1784798, v('(', ')', end_of_file), k)
^  Fail: (208) [user] is_delimiter(k)
   Call: (208) [system] ')'==k
   Fail: (208) [system] ')'==k
   Call: (208) [system] get_char((0x563acd73bee0), k)
   Exit: (208) [system] get_char((0x563acd73bee0), k)
   Call: (208) [system] k=(\)
   Fail: (208) [system] k=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1792148)
   Call: (209) [system] peek_char((0x563acd73bee0), _1793082)
   Exit: (209) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _1792148=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (208) [system] _1778212=[k]
   Exit: (208) [system] [k]=[k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (207) [system] _1764276=[n, k]
   Exit: (207) [system] [n, k]=[n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (206) [system] _1750340=[i, n, k]
   Exit: (206) [system] [i, n, k]=[i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (205) [system] _1736404=['L', i, n, k]
   Exit: (205) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (204) [system] _1722468=[r, 'L', i, n, k]
   Exit: (204) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (203) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1686958)
^  Call: (204) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1816336)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_1817288, _1817290), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1816336), _1817270, fail)), '$restore_trace'(_1817288, _1817290))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_1817288, _1817290))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1816336), _1817270, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(_1816336)
   Fail: (205) [system] atomic(_1816336)
   Call: (205) [system] atom_chars(_1816336, ['O', r, 'L', i, n, k])
   Exit: (205) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (204) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (204) [system] integer('OrLink')
   Fail: (204) [system] integer('OrLink')
   Call: (204) [system] _1686958='OrLink'
   Exit: (204) [system] 'OrLink'='OrLink'
^  Exit: (203) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (202) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (201) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (201) [user] read_list(')', (0x563acd73bee0), _1831286)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1833144)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x563acd73bee0), _1842738)
   Exit: (203) [system] get_char((0x563acd73bee0), ' ')
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1845442)
   Exit: (204) [system] peek_char((0x563acd73bee0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
   Call: (204) [system] '('=(/)
   Fail: (204) [system] '('=(/)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1862376)
   Exit: (202) [system] peek_char((0x563acd73bee0), '(')
   Call: (202) [system] '('=')'
   Fail: (202) [system] '('=')'
   Call: (202) [system] '('=end_of_file
   Fail: (202) [system] '('=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x563acd73bee0), _1867946)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1869804)
   Exit: (204) [system] peek_char((0x563acd73bee0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
   Call: (204) [system] '('=(/)
   Fail: (204) [system] '('=(/)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] get_char((0x563acd73bee0), _1885814)
   Exit: (203) [system] get_char((0x563acd73bee0), '(')
   Call: (203) [system] '('='('
   Exit: (203) [system] '('='('
^  Call: (203) [user] read_list(')', (0x563acd73bee0), _1867946)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1891384)
   Exit: (205) [system] peek_char((0x563acd73bee0), 'I')
   Call: (205) [system] 'I'=(;)
   Fail: (205) [system] 'I'=(;)
   Call: (205) [system] 'I'=(/)
   Fail: (205) [system] 'I'=(/)
^  Call: (205) [user] is_like_space('I')
   Call: (206) [system] char_type('I', 'white')
   Fail: (206) [system] char_type('I', 'white')
   Call: (206) [system] char_type('I', end_of_line)
   Fail: (206) [system] char_type('I', end_of_line)
   Call: (206) [system] char_type('I', space)
   Fail: (206) [system] char_type('I', space)
   Call: (206) [system] char_type('I', cntrl)
   Fail: (206) [system] char_type('I', cntrl)
^  Fail: (205) [user] is_like_space('I')
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1907394)
   Exit: (204) [system] peek_char((0x563acd73bee0), 'I')
   Call: (204) [system] 'I'=')'
   Fail: (204) [system] 'I'=')'
   Call: (204) [system] 'I'=end_of_file
   Fail: (204) [system] 'I'=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x563acd73bee0), _1912964)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1914822)
   Exit: (206) [system] peek_char((0x563acd73bee0), 'I')
   Call: (206) [system] 'I'=(;)
   Fail: (206) [system] 'I'=(;)
   Call: (206) [system] 'I'=(/)
   Fail: (206) [system] 'I'=(/)
^  Call: (206) [user] is_like_space('I')
   Call: (207) [system] char_type('I', 'white')
   Fail: (207) [system] char_type('I', 'white')
   Call: (207) [system] char_type('I', end_of_line)
   Fail: (207) [system] char_type('I', end_of_line)
   Call: (207) [system] char_type('I', space)
   Fail: (207) [system] char_type('I', space)
   Call: (207) [system] char_type('I', cntrl)
   Fail: (207) [system] char_type('I', cntrl)
^  Fail: (206) [user] is_like_space('I')
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] get_char((0x563acd73bee0), _1930832)
   Exit: (205) [system] get_char((0x563acd73bee0), 'I')
   Call: (205) [system] 'I'='('
   Fail: (205) [system] 'I'='('
   Call: (205) [system] 'I'='['
   Fail: (205) [system] 'I'='['
   Call: (205) [system] 'I'='{'
   Fail: (205) [system] 'I'='{'
   Call: (205) [system] 'I'='"'
   Fail: (205) [system] 'I'='"'
   Call: (205) [system] 'I'=!
   Fail: (205) [system] 'I'=!
   Call: (205) [system] 'I'='\''
   Fail: (205) [system] 'I'='\''
   Call: (205) [system] 'I'='`'
   Fail: (205) [system] 'I'='`'
   Call: (205) [system] 'I'=end_of_file
   Fail: (205) [system] 'I'=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x563acd73bee0), 'I', _1912964)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1948474)
   Call: (207) [system] peek_char((0x563acd73bee0), _1949408)
   Exit: (207) [system] peek_char((0x563acd73bee0), m)
^  Call: (207) [user] is_delimiter(m)
   Call: (208) [system] char_type(m, space)
   Fail: (208) [system] char_type(m, space)
   Call: (208) [system] arg(_1954128, v('(', ')', end_of_file), m)
   Fail: (208) [system] arg(_1955060, v('(', ')', end_of_file), m)
^  Fail: (207) [user] is_delimiter(m)
   Call: (207) [system] ')'==m
   Fail: (207) [system] ')'==m
   Call: (207) [system] get_char((0x563acd73bee0), m)
   Exit: (207) [system] get_char((0x563acd73bee0), m)
   Call: (207) [system] m=(\)
   Fail: (207) [system] m=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1962410)
   Call: (208) [system] peek_char((0x563acd73bee0), _1963344)
   Exit: (208) [system] peek_char((0x563acd73bee0), p)
^  Call: (208) [user] is_delimiter(p)
   Call: (209) [system] char_type(p, space)
   Fail: (209) [system] char_type(p, space)
   Call: (209) [system] arg(_1968064, v('(', ')', end_of_file), p)
   Fail: (209) [system] arg(_1968996, v('(', ')', end_of_file), p)
^  Fail: (208) [user] is_delimiter(p)
   Call: (208) [system] ')'==p
   Fail: (208) [system] ')'==p
   Call: (208) [system] get_char((0x563acd73bee0), p)
   Exit: (208) [system] get_char((0x563acd73bee0), p)
   Call: (208) [system] p=(\)
   Fail: (208) [system] p=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1976346)
   Call: (209) [system] peek_char((0x563acd73bee0), _1977280)
   Exit: (209) [system] peek_char((0x563acd73bee0), l)
^  Call: (209) [user] is_delimiter(l)
   Call: (210) [system] char_type(l, space)
   Fail: (210) [system] char_type(l, space)
   Call: (210) [system] arg(_1982000, v('(', ')', end_of_file), l)
   Fail: (210) [system] arg(_1982932, v('(', ')', end_of_file), l)
^  Fail: (209) [user] is_delimiter(l)
   Call: (209) [system] ')'==l
   Fail: (209) [system] ')'==l
   Call: (209) [system] get_char((0x563acd73bee0), l)
   Exit: (209) [system] get_char((0x563acd73bee0), l)
   Call: (209) [system] l=(\)
   Fail: (209) [system] l=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1990282)
   Call: (210) [system] peek_char((0x563acd73bee0), _1991216)
   Exit: (210) [system] peek_char((0x563acd73bee0), i)
^  Call: (210) [user] is_delimiter(i)
   Call: (211) [system] char_type(i, space)
   Fail: (211) [system] char_type(i, space)
   Call: (211) [system] arg(_1995936, v('(', ')', end_of_file), i)
   Fail: (211) [system] arg(_1996868, v('(', ')', end_of_file), i)
^  Fail: (210) [user] is_delimiter(i)
   Call: (210) [system] ')'==i
   Fail: (210) [system] ')'==i
   Call: (210) [system] get_char((0x563acd73bee0), i)
   Exit: (210) [system] get_char((0x563acd73bee0), i)
   Call: (210) [system] i=(\)
   Fail: (210) [system] i=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _2004218)
   Call: (211) [system] peek_char((0x563acd73bee0), _2005152)
   Exit: (211) [system] peek_char((0x563acd73bee0), c)
^  Call: (211) [user] is_delimiter(c)
   Call: (212) [system] char_type(c, space)
   Fail: (212) [system] char_type(c, space)
   Call: (212) [system] arg(_2009872, v('(', ')', end_of_file), c)
   Fail: (212) [system] arg(_2010804, v('(', ')', end_of_file), c)
^  Fail: (211) [user] is_delimiter(c)
   Call: (211) [system] ')'==c
   Fail: (211) [system] ')'==c
   Call: (211) [system] get_char((0x563acd73bee0), c)
   Exit: (211) [system] get_char((0x563acd73bee0), c)
   Call: (211) [system] c=(\)
   Fail: (211) [system] c=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _2018154)
   Call: (212) [system] peek_char((0x563acd73bee0), _2019088)
   Exit: (212) [system] peek_char((0x563acd73bee0), a)
^  Call: (212) [user] is_delimiter(a)
   Call: (213) [system] char_type(a, space)
   Fail: (213) [system] char_type(a, space)
   Call: (213) [system] arg(_2023808, v('(', ')', end_of_file), a)
   Fail: (213) [system] arg(_2024740, v('(', ')', end_of_file), a)
^  Fail: (212) [user] is_delimiter(a)
   Call: (212) [system] ')'==a
   Fail: (212) [system] ')'==a
   Call: (212) [system] get_char((0x563acd73bee0), a)
   Exit: (212) [system] get_char((0x563acd73bee0), a)
   Call: (212) [system] a=(\)
   Fail: (212) [system] a=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _2032090)
   Call: (213) [system] peek_char((0x563acd73bee0), _2033024)
   Exit: (213) [system] peek_char((0x563acd73bee0), t)
^  Call: (213) [user] is_delimiter(t)
   Call: (214) [system] char_type(t, space)
   Fail: (214) [system] char_type(t, space)
   Call: (214) [system] arg(_2037744, v('(', ')', end_of_file), t)
   Fail: (214) [system] arg(_2038676, v('(', ')', end_of_file), t)
^  Fail: (213) [user] is_delimiter(t)
   Call: (213) [system] ')'==t
   Fail: (213) [system] ')'==t
   Call: (213) [system] get_char((0x563acd73bee0), t)
   Exit: (213) [system] get_char((0x563acd73bee0), t)
   Call: (213) [system] t=(\)
   Fail: (213) [system] t=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _2046026)
   Call: (214) [system] peek_char((0x563acd73bee0), _2046960)
   Exit: (214) [system] peek_char((0x563acd73bee0), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Fail: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_2051680, v('(', ')', end_of_file), i)
   Fail: (215) [system] arg(_2052612, v('(', ')', end_of_file), i)
^  Fail: (214) [user] is_delimiter(i)
   Call: (214) [system] ')'==i
   Fail: (214) [system] ')'==i
   Call: (214) [system] get_char((0x563acd73bee0), i)
   Exit: (214) [system] get_char((0x563acd73bee0), i)
   Call: (214) [system] i=(\)
   Fail: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _2059962)
   Call: (215) [system] peek_char((0x563acd73bee0), _2060896)
   Exit: (215) [system] peek_char((0x563acd73bee0), o)
^  Call: (215) [user] is_delimiter(o)
   Call: (216) [system] char_type(o, space)
   Fail: (216) [system] char_type(o, space)
   Call: (216) [system] arg(_2065616, v('(', ')', end_of_file), o)
   Fail: (216) [system] arg(_2066548, v('(', ')', end_of_file), o)
^  Fail: (215) [user] is_delimiter(o)
   Call: (215) [system] ')'==o
   Fail: (215) [system] ')'==o
   Call: (215) [system] get_char((0x563acd73bee0), o)
   Exit: (215) [system] get_char((0x563acd73bee0), o)
   Call: (215) [system] o=(\)
   Fail: (215) [system] o=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _2073898)
   Call: (216) [system] peek_char((0x563acd73bee0), _2074832)
   Exit: (216) [system] peek_char((0x563acd73bee0), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_2079552, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_2080484, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x563acd73bee0), n)
   Exit: (216) [system] get_char((0x563acd73bee0), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _2087834)
   Call: (217) [system] peek_char((0x563acd73bee0), _2088768)
   Exit: (217) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _2087834=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (216) [system] _3954=[n]
   Exit: (216) [system] [n]=[n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (215) [system] _3950=[o, n]
   Exit: (215) [system] [o, n]=[o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (214) [system] _3946=[i, o, n]
   Exit: (214) [system] [i, o, n]=[i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (213) [system] _3942=[t, i, o, n]
   Exit: (213) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (212) [system] _3938=[a, t, i, o, n]
   Exit: (212) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (211) [system] _3934=[c, a, t, i, o, n]
   Exit: (211) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (210) [system] _3930=[i, c, a, t, i, o, n]
   Exit: (210) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (209) [system] _3926=[l, i, c, a, t, i, o, n]
   Exit: (209) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (208) [system] _3922=[p, l, i, c, a, t, i, o, n]
   Exit: (208) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (207) [system] _3918=[m, p, l, i, c, a, t, i, o, n]
   Exit: (207) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (206) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _3914)
^  Call: (207) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _33190)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_34142, _34144), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _33190), _34124, fail)), '$restore_trace'(_34142, _34144))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_34142, _34144))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _33190), _34124, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(_33190)
   Fail: (208) [system] atomic(_33190)
   Call: (208) [system] atom_chars(_33190, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (208) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (207) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (207) [system] integer('Implication')
   Fail: (207) [system] integer('Implication')
   Call: (207) [system] _3914='Implication'
   Exit: (207) [system] 'Implication'='Implication'
^  Exit: (206) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (205) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (204) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (204) [user] read_list(')', (0x563acd73bee0), _48140)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _49998)
   Exit: (206) [system] peek_char((0x563acd73bee0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
   Call: (206) [system] ' '=(/)
   Fail: (206) [system] ' '=(/)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x563acd73bee0), _59592)
   Exit: (206) [system] get_char((0x563acd73bee0), ' ')
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _62296)
   Exit: (207) [system] peek_char((0x563acd73bee0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _79230)
   Exit: (205) [system] peek_char((0x563acd73bee0), '(')
   Call: (205) [system] '('=')'
   Fail: (205) [system] '('=')'
   Call: (205) [system] '('=end_of_file
   Fail: (205) [system] '('=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x563acd73bee0), _84800)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _86658)
   Exit: (207) [system] peek_char((0x563acd73bee0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] get_char((0x563acd73bee0), _102668)
   Exit: (206) [system] get_char((0x563acd73bee0), '(')
   Call: (206) [system] '('='('
   Exit: (206) [system] '('='('
^  Call: (206) [user] read_list(')', (0x563acd73bee0), _84800)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _108238)
   Exit: (208) [system] peek_char((0x563acd73bee0), 'A')
   Call: (208) [system] 'A'=(;)
   Fail: (208) [system] 'A'=(;)
   Call: (208) [system] 'A'=(/)
   Fail: (208) [system] 'A'=(/)
^  Call: (208) [user] is_like_space('A')
   Call: (209) [system] char_type('A', 'white')
   Fail: (209) [system] char_type('A', 'white')
   Call: (209) [system] char_type('A', end_of_line)
   Fail: (209) [system] char_type('A', end_of_line)
   Call: (209) [system] char_type('A', space)
   Fail: (209) [system] char_type('A', space)
   Call: (209) [system] char_type('A', cntrl)
   Fail: (209) [system] char_type('A', cntrl)
^  Fail: (208) [user] is_like_space('A')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _124248)
   Exit: (207) [system] peek_char((0x563acd73bee0), 'A')
   Call: (207) [system] 'A'=')'
   Fail: (207) [system] 'A'=')'
   Call: (207) [system] 'A'=end_of_file
   Fail: (207) [system] 'A'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x563acd73bee0), _129818)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _131676)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'A')
   Call: (209) [system] 'A'=(;)
   Fail: (209) [system] 'A'=(;)
   Call: (209) [system] 'A'=(/)
   Fail: (209) [system] 'A'=(/)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Fail: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Fail: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Fail: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
   Fail: (210) [system] char_type('A', cntrl)
^  Fail: (209) [user] is_like_space('A')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] get_char((0x563acd73bee0), _147686)
   Exit: (208) [system] get_char((0x563acd73bee0), 'A')
   Call: (208) [system] 'A'='('
   Fail: (208) [system] 'A'='('
   Call: (208) [system] 'A'='['
   Fail: (208) [system] 'A'='['
   Call: (208) [system] 'A'='{'
   Fail: (208) [system] 'A'='{'
   Call: (208) [system] 'A'='"'
   Fail: (208) [system] 'A'='"'
   Call: (208) [system] 'A'=!
   Fail: (208) [system] 'A'=!
   Call: (208) [system] 'A'='\''
   Fail: (208) [system] 'A'='\''
   Call: (208) [system] 'A'='`'
   Fail: (208) [system] 'A'='`'
   Call: (208) [system] 'A'=end_of_file
   Fail: (208) [system] 'A'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x563acd73bee0), 'A', _129818)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _165328)
   Call: (210) [system] peek_char((0x563acd73bee0), _166262)
   Exit: (210) [system] peek_char((0x563acd73bee0), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Fail: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_170982, v('(', ')', end_of_file), n)
   Fail: (211) [system] arg(_171914, v('(', ')', end_of_file), n)
^  Fail: (210) [user] is_delimiter(n)
   Call: (210) [system] ')'==n
   Fail: (210) [system] ')'==n
   Call: (210) [system] get_char((0x563acd73bee0), n)
   Exit: (210) [system] get_char((0x563acd73bee0), n)
   Call: (210) [system] n=(\)
   Fail: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _179264)
   Call: (211) [system] peek_char((0x563acd73bee0), _180198)
   Exit: (211) [system] peek_char((0x563acd73bee0), d)
^  Call: (211) [user] is_delimiter(d)
   Call: (212) [system] char_type(d, space)
   Fail: (212) [system] char_type(d, space)
   Call: (212) [system] arg(_184918, v('(', ')', end_of_file), d)
   Fail: (212) [system] arg(_185850, v('(', ')', end_of_file), d)
^  Fail: (211) [user] is_delimiter(d)
   Call: (211) [system] ')'==d
   Fail: (211) [system] ')'==d
   Call: (211) [system] get_char((0x563acd73bee0), d)
   Exit: (211) [system] get_char((0x563acd73bee0), d)
   Call: (211) [system] d=(\)
   Fail: (211) [system] d=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _193200)
   Call: (212) [system] peek_char((0x563acd73bee0), _194134)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (212) [user] is_delimiter('L')
   Call: (213) [system] char_type('L', space)
   Fail: (213) [system] char_type('L', space)
   Call: (213) [system] arg(_198854, v('(', ')', end_of_file), 'L')
   Fail: (213) [system] arg(_199786, v('(', ')', end_of_file), 'L')
^  Fail: (212) [user] is_delimiter('L')
   Call: (212) [system] ')'=='L'
   Fail: (212) [system] ')'=='L'
   Call: (212) [system] get_char((0x563acd73bee0), 'L')
   Exit: (212) [system] get_char((0x563acd73bee0), 'L')
   Call: (212) [system] 'L'=(\)
   Fail: (212) [system] 'L'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _207136)
   Call: (213) [system] peek_char((0x563acd73bee0), _208070)
   Exit: (213) [system] peek_char((0x563acd73bee0), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Fail: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_212790, v('(', ')', end_of_file), i)
   Fail: (214) [system] arg(_213722, v('(', ')', end_of_file), i)
^  Fail: (213) [user] is_delimiter(i)
   Call: (213) [system] ')'==i
   Fail: (213) [system] ')'==i
   Call: (213) [system] get_char((0x563acd73bee0), i)
   Exit: (213) [system] get_char((0x563acd73bee0), i)
   Call: (213) [system] i=(\)
   Fail: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _221072)
   Call: (214) [system] peek_char((0x563acd73bee0), _222006)
   Exit: (214) [system] peek_char((0x563acd73bee0), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_226726, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_227658, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x563acd73bee0), n)
   Exit: (214) [system] get_char((0x563acd73bee0), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _235008)
   Call: (215) [system] peek_char((0x563acd73bee0), _235942)
   Exit: (215) [system] peek_char((0x563acd73bee0), k)
^  Call: (215) [user] is_delimiter(k)
   Call: (216) [system] char_type(k, space)
   Fail: (216) [system] char_type(k, space)
   Call: (216) [system] arg(_240662, v('(', ')', end_of_file), k)
   Fail: (216) [system] arg(_241594, v('(', ')', end_of_file), k)
^  Fail: (215) [user] is_delimiter(k)
   Call: (215) [system] ')'==k
   Fail: (215) [system] ')'==k
   Call: (215) [system] get_char((0x563acd73bee0), k)
   Exit: (215) [system] get_char((0x563acd73bee0), k)
   Call: (215) [system] k=(\)
   Fail: (215) [system] k=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _248944)
   Call: (216) [system] peek_char((0x563acd73bee0), _249878)
   Exit: (216) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _248944=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (215) [system] _235008=[k]
   Exit: (215) [system] [k]=[k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (214) [system] _221072=[n, k]
   Exit: (214) [system] [n, k]=[n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (213) [system] _207136=[i, n, k]
   Exit: (213) [system] [i, n, k]=[i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (212) [system] _193200=['L', i, n, k]
   Exit: (212) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (211) [system] _179264=[d, 'L', i, n, k]
   Exit: (211) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, 'L', i, n, k])
   Call: (210) [system] _165328=[n, d, 'L', i, n, k]
   Exit: (210) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, d, 'L', i, n, k])
^  Call: (209) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _129818)
^  Call: (210) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _275926)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_276878, _276880), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _275926), _276860, fail)), '$restore_trace'(_276878, _276880))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_276878, _276880))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _275926), _276860, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_275926)
   Fail: (211) [system] atomic(_275926)
   Call: (211) [system] atom_chars(_275926, ['A', n, d, 'L', i, n, k])
   Exit: (211) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (210) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (210) [system] integer('AndLink')
   Fail: (210) [system] integer('AndLink')
   Call: (210) [system] _129818='AndLink'
   Exit: (210) [system] 'AndLink'='AndLink'
^  Exit: (209) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (208) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'AndLink')
^  Exit: (207) [user] cont_sexpr(')', (0x563acd73bee0), 'AndLink')
^  Call: (207) [user] read_list(')', (0x563acd73bee0), _290876)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _292734)
   Exit: (209) [system] peek_char((0x563acd73bee0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x563acd73bee0), _302328)
   Exit: (209) [system] get_char((0x563acd73bee0), ' ')
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _305032)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'A')
   Call: (210) [system] 'A'=(;)
   Fail: (210) [system] 'A'=(;)
   Call: (210) [system] 'A'=(/)
   Fail: (210) [system] 'A'=(/)
^  Call: (210) [user] is_like_space('A')
   Call: (211) [system] char_type('A', 'white')
   Fail: (211) [system] char_type('A', 'white')
   Call: (211) [system] char_type('A', end_of_line)
   Fail: (211) [system] char_type('A', end_of_line)
   Call: (211) [system] char_type('A', space)
   Fail: (211) [system] char_type('A', space)
   Call: (211) [system] char_type('A', cntrl)
   Fail: (211) [system] char_type('A', cntrl)
^  Fail: (210) [user] is_like_space('A')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _321966)
   Exit: (208) [system] peek_char((0x563acd73bee0), 'A')
   Call: (208) [system] 'A'=')'
   Fail: (208) [system] 'A'=')'
   Call: (208) [system] 'A'=end_of_file
   Fail: (208) [system] 'A'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x563acd73bee0), _327536)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _329394)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'A')
   Call: (210) [system] 'A'=(;)
   Fail: (210) [system] 'A'=(;)
   Call: (210) [system] 'A'=(/)
   Fail: (210) [system] 'A'=(/)
^  Call: (210) [user] is_like_space('A')
   Call: (211) [system] char_type('A', 'white')
   Fail: (211) [system] char_type('A', 'white')
   Call: (211) [system] char_type('A', end_of_line)
   Fail: (211) [system] char_type('A', end_of_line)
   Call: (211) [system] char_type('A', space)
   Fail: (211) [system] char_type('A', space)
   Call: (211) [system] char_type('A', cntrl)
   Fail: (211) [system] char_type('A', cntrl)
^  Fail: (210) [user] is_like_space('A')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] get_char((0x563acd73bee0), _345404)
   Exit: (209) [system] get_char((0x563acd73bee0), 'A')
   Call: (209) [system] 'A'='('
   Fail: (209) [system] 'A'='('
   Call: (209) [system] 'A'='['
   Fail: (209) [system] 'A'='['
   Call: (209) [system] 'A'='{'
   Fail: (209) [system] 'A'='{'
   Call: (209) [system] 'A'='"'
   Fail: (209) [system] 'A'='"'
   Call: (209) [system] 'A'=!
   Fail: (209) [system] 'A'=!
   Call: (209) [system] 'A'='\''
   Fail: (209) [system] 'A'='\''
   Call: (209) [system] 'A'='`'
   Fail: (209) [system] 'A'='`'
   Call: (209) [system] 'A'=end_of_file
   Fail: (209) [system] 'A'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x563acd73bee0), 'A', _327536)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _363046)
   Call: (211) [system] peek_char((0x563acd73bee0), _363980)
   Exit: (211) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _363046=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (210) [user] classify_and_convert_charseq(['A'], _327536)
^  Call: (211) [user] classify_and_convert_charseq_(['A'], _373264)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_374216, _374218), once(user:catch(read_from_chars(['A'], _373264), _374198, fail)), '$restore_trace'(_374216, _374218))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_374216, _374218))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _373264), _374198, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_373264)
   Fail: (212) [system] atomic(_373264)
   Call: (212) [system] atom_chars(_373264, ['A'])
   Exit: (212) [system] atom_chars('A', ['A'])
^  Exit: (211) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (211) [system] integer('A')
   Fail: (211) [system] integer('A')
   Call: (211) [system] _327536='A'
   Exit: (211) [system] 'A'='A'
^  Exit: (210) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (209) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (208) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (208) [user] read_list(')', (0x563acd73bee0), _388214)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _390072)
   Exit: (210) [system] peek_char((0x563acd73bee0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x563acd73bee0), _399666)
   Exit: (210) [system] get_char((0x563acd73bee0), ' ')
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _402370)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'B')
   Call: (211) [system] 'B'=(;)
   Fail: (211) [system] 'B'=(;)
   Call: (211) [system] 'B'=(/)
   Fail: (211) [system] 'B'=(/)
^  Call: (211) [user] is_like_space('B')
   Call: (212) [system] char_type('B', 'white')
   Fail: (212) [system] char_type('B', 'white')
   Call: (212) [system] char_type('B', end_of_line)
   Fail: (212) [system] char_type('B', end_of_line)
   Call: (212) [system] char_type('B', space)
   Fail: (212) [system] char_type('B', space)
   Call: (212) [system] char_type('B', cntrl)
   Fail: (212) [system] char_type('B', cntrl)
^  Fail: (211) [user] is_like_space('B')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _419304)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'B')
   Call: (209) [system] 'B'=')'
   Fail: (209) [system] 'B'=')'
   Call: (209) [system] 'B'=end_of_file
   Fail: (209) [system] 'B'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x563acd73bee0), _424874)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _426732)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'B')
   Call: (211) [system] 'B'=(;)
   Fail: (211) [system] 'B'=(;)
   Call: (211) [system] 'B'=(/)
   Fail: (211) [system] 'B'=(/)
^  Call: (211) [user] is_like_space('B')
   Call: (212) [system] char_type('B', 'white')
   Fail: (212) [system] char_type('B', 'white')
   Call: (212) [system] char_type('B', end_of_line)
   Fail: (212) [system] char_type('B', end_of_line)
   Call: (212) [system] char_type('B', space)
   Fail: (212) [system] char_type('B', space)
   Call: (212) [system] char_type('B', cntrl)
   Fail: (212) [system] char_type('B', cntrl)
^  Fail: (211) [user] is_like_space('B')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] get_char((0x563acd73bee0), _442742)
   Exit: (210) [system] get_char((0x563acd73bee0), 'B')
   Call: (210) [system] 'B'='('
   Fail: (210) [system] 'B'='('
   Call: (210) [system] 'B'='['
   Fail: (210) [system] 'B'='['
   Call: (210) [system] 'B'='{'
   Fail: (210) [system] 'B'='{'
   Call: (210) [system] 'B'='"'
   Fail: (210) [system] 'B'='"'
   Call: (210) [system] 'B'=!
   Fail: (210) [system] 'B'=!
   Call: (210) [system] 'B'='\''
   Fail: (210) [system] 'B'='\''
   Call: (210) [system] 'B'='`'
   Fail: (210) [system] 'B'='`'
   Call: (210) [system] 'B'=end_of_file
   Fail: (210) [system] 'B'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x563acd73bee0), 'B', _424874)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _460384)
   Call: (212) [system] peek_char((0x563acd73bee0), _461318)
   Exit: (212) [system] peek_char((0x563acd73bee0), ')')
^  Call: (212) [user] is_delimiter(')')
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] arg(_466038, v('(', ')', end_of_file), ')')
   Exit: (213) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (212) [user] is_delimiter(')')
   Call: (212) [system] _460384=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (211) [user] classify_and_convert_charseq(['B'], _424874)
^  Call: (212) [user] classify_and_convert_charseq_(['B'], _472474)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_473426, _473428), once(user:catch(read_from_chars(['B'], _472474), _473408, fail)), '$restore_trace'(_473426, _473428))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_473426, _473428))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _472474), _473408, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_472474)
   Fail: (213) [system] atomic(_472474)
   Call: (213) [system] atom_chars(_472474, ['B'])
   Exit: (213) [system] atom_chars('B', ['B'])
^  Exit: (212) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (212) [system] integer('B')
   Fail: (212) [system] integer('B')
   Call: (212) [system] _424874='B'
   Exit: (212) [system] 'B'='B'
^  Exit: (211) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (210) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (209) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (209) [user] read_list(')', (0x563acd73bee0), _487424)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _489282)
   Exit: (211) [system] peek_char((0x563acd73bee0), ')')
   Call: (211) [system] ')'=(;)
   Fail: (211) [system] ')'=(;)
   Call: (211) [system] ')'=(/)
   Fail: (211) [system] ')'=(/)
^  Call: (211) [user] is_like_space(')')
   Call: (212) [system] char_type(')', 'white')
   Fail: (212) [system] char_type(')', 'white')
   Call: (212) [system] char_type(')', end_of_line)
   Fail: (212) [system] char_type(')', end_of_line)
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] char_type(')', cntrl)
   Fail: (212) [system] char_type(')', cntrl)
^  Fail: (211) [user] is_like_space(')')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _505292)
   Exit: (210) [system] peek_char((0x563acd73bee0), ')')
   Call: (210) [system] ')'=')'
   Exit: (210) [system] ')'=')'
   Call: (210) [system] get_char((0x563acd73bee0), _509082)
   Exit: (210) [system] get_char((0x563acd73bee0), ')')
   Call: (210) [system] _487424=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_list(')', (0x563acd73bee0), [])
   Call: (209) [system] _388214=['B']
   Exit: (209) [system] ['B']=['B']
^  Exit: (208) [user] read_list(')', (0x563acd73bee0), ['B'])
   Call: (208) [system] _290876=['A', 'B']
   Exit: (208) [system] ['A', 'B']=['A', 'B']
^  Exit: (207) [user] read_list(')', (0x563acd73bee0), ['A', 'B'])
   Call: (207) [system] _84800=['AndLink', 'A', 'B']
   Exit: (207) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (206) [user] read_list(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Exit: (205) [user] cont_sexpr(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Call: (205) [user] read_list(')', (0x563acd73bee0), _522964)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _524822)
   Exit: (207) [system] peek_char((0x563acd73bee0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
   Call: (207) [system] ' '=(/)
   Fail: (207) [system] ' '=(/)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x563acd73bee0), _534416)
   Exit: (207) [system] get_char((0x563acd73bee0), ' ')
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _537120)
   Exit: (208) [system] peek_char((0x563acd73bee0), 'C')
   Call: (208) [system] 'C'=(;)
   Fail: (208) [system] 'C'=(;)
   Call: (208) [system] 'C'=(/)
   Fail: (208) [system] 'C'=(/)
^  Call: (208) [user] is_like_space('C')
   Call: (209) [system] char_type('C', 'white')
   Fail: (209) [system] char_type('C', 'white')
   Call: (209) [system] char_type('C', end_of_line)
   Fail: (209) [system] char_type('C', end_of_line)
   Call: (209) [system] char_type('C', space)
   Fail: (209) [system] char_type('C', space)
   Call: (209) [system] char_type('C', cntrl)
   Fail: (209) [system] char_type('C', cntrl)
^  Fail: (208) [user] is_like_space('C')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _554054)
   Exit: (206) [system] peek_char((0x563acd73bee0), 'C')
   Call: (206) [system] 'C'=')'
   Fail: (206) [system] 'C'=')'
   Call: (206) [system] 'C'=end_of_file
   Fail: (206) [system] 'C'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x563acd73bee0), _559624)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _561482)
   Exit: (208) [system] peek_char((0x563acd73bee0), 'C')
   Call: (208) [system] 'C'=(;)
   Fail: (208) [system] 'C'=(;)
   Call: (208) [system] 'C'=(/)
   Fail: (208) [system] 'C'=(/)
^  Call: (208) [user] is_like_space('C')
   Call: (209) [system] char_type('C', 'white')
   Fail: (209) [system] char_type('C', 'white')
   Call: (209) [system] char_type('C', end_of_line)
   Fail: (209) [system] char_type('C', end_of_line)
   Call: (209) [system] char_type('C', space)
   Fail: (209) [system] char_type('C', space)
   Call: (209) [system] char_type('C', cntrl)
   Fail: (209) [system] char_type('C', cntrl)
^  Fail: (208) [user] is_like_space('C')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] get_char((0x563acd73bee0), _577492)
   Exit: (207) [system] get_char((0x563acd73bee0), 'C')
   Call: (207) [system] 'C'='('
   Fail: (207) [system] 'C'='('
   Call: (207) [system] 'C'='['
   Fail: (207) [system] 'C'='['
   Call: (207) [system] 'C'='{'
   Fail: (207) [system] 'C'='{'
   Call: (207) [system] 'C'='"'
   Fail: (207) [system] 'C'='"'
   Call: (207) [system] 'C'=!
   Fail: (207) [system] 'C'=!
   Call: (207) [system] 'C'='\''
   Fail: (207) [system] 'C'='\''
   Call: (207) [system] 'C'='`'
   Fail: (207) [system] 'C'='`'
   Call: (207) [system] 'C'=end_of_file
   Fail: (207) [system] 'C'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x563acd73bee0), 'C', _559624)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _595134)
   Call: (209) [system] peek_char((0x563acd73bee0), _596068)
   Exit: (209) [system] peek_char((0x563acd73bee0), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_600788, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _595134=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (208) [user] classify_and_convert_charseq(['C'], _559624)
^  Call: (209) [user] classify_and_convert_charseq_(['C'], _607224)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_608176, _608178), once(user:catch(read_from_chars(['C'], _607224), _608158, fail)), '$restore_trace'(_608176, _608178))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_608176, _608178))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _607224), _608158, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_607224)
   Fail: (210) [system] atomic(_607224)
   Call: (210) [system] atom_chars(_607224, ['C'])
   Exit: (210) [system] atom_chars('C', ['C'])
^  Exit: (209) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (209) [system] integer('C')
   Fail: (209) [system] integer('C')
   Call: (209) [system] _559624='C'
   Exit: (209) [system] 'C'='C'
^  Exit: (208) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (207) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (206) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (206) [user] read_list(')', (0x563acd73bee0), _622174)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _624032)
   Exit: (208) [system] peek_char((0x563acd73bee0), ')')
   Call: (208) [system] ')'=(;)
   Fail: (208) [system] ')'=(;)
   Call: (208) [system] ')'=(/)
   Fail: (208) [system] ')'=(/)
^  Call: (208) [user] is_like_space(')')
   Call: (209) [system] char_type(')', 'white')
   Fail: (209) [system] char_type(')', 'white')
   Call: (209) [system] char_type(')', end_of_line)
   Fail: (209) [system] char_type(')', end_of_line)
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] char_type(')', cntrl)
   Fail: (209) [system] char_type(')', cntrl)
^  Fail: (208) [user] is_like_space(')')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _640042)
   Exit: (207) [system] peek_char((0x563acd73bee0), ')')
   Call: (207) [system] ')'=')'
   Exit: (207) [system] ')'=')'
   Call: (207) [system] get_char((0x563acd73bee0), _643832)
   Exit: (207) [system] get_char((0x563acd73bee0), ')')
   Call: (207) [system] _622174=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_list(')', (0x563acd73bee0), [])
   Call: (206) [system] _522964=['C']
   Exit: (206) [system] ['C']=['C']
^  Exit: (205) [user] read_list(')', (0x563acd73bee0), ['C'])
   Call: (205) [system] _48140=[['AndLink', 'A', 'B'], 'C']
   Exit: (205) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (204) [user] read_list(')', (0x563acd73bee0), [['AndLink', 'A', 'B'], 'C'])
   Call: (204) [system] _3908=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (204) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (203) [user] read_list(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (202) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (202) [user] read_list(')', (0x563acd73bee0), _657714)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _659572)
   Exit: (204) [system] peek_char((0x563acd73bee0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x563acd73bee0), _669166)
   Exit: (204) [system] get_char((0x563acd73bee0), ' ')
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _671870)
   Exit: (205) [system] peek_char((0x563acd73bee0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _688804)
   Exit: (203) [system] peek_char((0x563acd73bee0), '(')
   Call: (203) [system] '('=')'
   Fail: (203) [system] '('=')'
   Call: (203) [system] '('=end_of_file
   Fail: (203) [system] '('=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x563acd73bee0), _694374)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _696232)
   Exit: (205) [system] peek_char((0x563acd73bee0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] get_char((0x563acd73bee0), _712242)
   Exit: (204) [system] get_char((0x563acd73bee0), '(')
   Call: (204) [system] '('='('
   Exit: (204) [system] '('='('
^  Call: (204) [user] read_list(')', (0x563acd73bee0), _694374)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _717812)
   Exit: (206) [system] peek_char((0x563acd73bee0), 'I')
   Call: (206) [system] 'I'=(;)
   Fail: (206) [system] 'I'=(;)
   Call: (206) [system] 'I'=(/)
   Fail: (206) [system] 'I'=(/)
^  Call: (206) [user] is_like_space('I')
   Call: (207) [system] char_type('I', 'white')
   Fail: (207) [system] char_type('I', 'white')
   Call: (207) [system] char_type('I', end_of_line)
   Fail: (207) [system] char_type('I', end_of_line)
   Call: (207) [system] char_type('I', space)
   Fail: (207) [system] char_type('I', space)
   Call: (207) [system] char_type('I', cntrl)
   Fail: (207) [system] char_type('I', cntrl)
^  Fail: (206) [user] is_like_space('I')
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _733822)
   Exit: (205) [system] peek_char((0x563acd73bee0), 'I')
   Call: (205) [system] 'I'=')'
   Fail: (205) [system] 'I'=')'
   Call: (205) [system] 'I'=end_of_file
   Fail: (205) [system] 'I'=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x563acd73bee0), _739392)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _741250)
   Exit: (207) [system] peek_char((0x563acd73bee0), 'I')
   Call: (207) [system] 'I'=(;)
   Fail: (207) [system] 'I'=(;)
   Call: (207) [system] 'I'=(/)
   Fail: (207) [system] 'I'=(/)
^  Call: (207) [user] is_like_space('I')
   Call: (208) [system] char_type('I', 'white')
   Fail: (208) [system] char_type('I', 'white')
   Call: (208) [system] char_type('I', end_of_line)
   Fail: (208) [system] char_type('I', end_of_line)
   Call: (208) [system] char_type('I', space)
   Fail: (208) [system] char_type('I', space)
   Call: (208) [system] char_type('I', cntrl)
   Fail: (208) [system] char_type('I', cntrl)
^  Fail: (207) [user] is_like_space('I')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] get_char((0x563acd73bee0), _757260)
   Exit: (206) [system] get_char((0x563acd73bee0), 'I')
   Call: (206) [system] 'I'='('
   Fail: (206) [system] 'I'='('
   Call: (206) [system] 'I'='['
   Fail: (206) [system] 'I'='['
   Call: (206) [system] 'I'='{'
   Fail: (206) [system] 'I'='{'
   Call: (206) [system] 'I'='"'
   Fail: (206) [system] 'I'='"'
   Call: (206) [system] 'I'=!
   Fail: (206) [system] 'I'=!
   Call: (206) [system] 'I'='\''
   Fail: (206) [system] 'I'='\''
   Call: (206) [system] 'I'='`'
   Fail: (206) [system] 'I'='`'
   Call: (206) [system] 'I'=end_of_file
   Fail: (206) [system] 'I'=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x563acd73bee0), 'I', _739392)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _774902)
   Call: (208) [system] peek_char((0x563acd73bee0), _775836)
   Exit: (208) [system] peek_char((0x563acd73bee0), m)
^  Call: (208) [user] is_delimiter(m)
   Call: (209) [system] char_type(m, space)
   Fail: (209) [system] char_type(m, space)
   Call: (209) [system] arg(_780556, v('(', ')', end_of_file), m)
   Fail: (209) [system] arg(_781488, v('(', ')', end_of_file), m)
^  Fail: (208) [user] is_delimiter(m)
   Call: (208) [system] ')'==m
   Fail: (208) [system] ')'==m
   Call: (208) [system] get_char((0x563acd73bee0), m)
   Exit: (208) [system] get_char((0x563acd73bee0), m)
   Call: (208) [system] m=(\)
   Fail: (208) [system] m=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _788838)
   Call: (209) [system] peek_char((0x563acd73bee0), _789772)
   Exit: (209) [system] peek_char((0x563acd73bee0), p)
^  Call: (209) [user] is_delimiter(p)
   Call: (210) [system] char_type(p, space)
   Fail: (210) [system] char_type(p, space)
   Call: (210) [system] arg(_794492, v('(', ')', end_of_file), p)
   Fail: (210) [system] arg(_795424, v('(', ')', end_of_file), p)
^  Fail: (209) [user] is_delimiter(p)
   Call: (209) [system] ')'==p
   Fail: (209) [system] ')'==p
   Call: (209) [system] get_char((0x563acd73bee0), p)
   Exit: (209) [system] get_char((0x563acd73bee0), p)
   Call: (209) [system] p=(\)
   Fail: (209) [system] p=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _802774)
   Call: (210) [system] peek_char((0x563acd73bee0), _803708)
   Exit: (210) [system] peek_char((0x563acd73bee0), l)
^  Call: (210) [user] is_delimiter(l)
   Call: (211) [system] char_type(l, space)
   Fail: (211) [system] char_type(l, space)
   Call: (211) [system] arg(_808428, v('(', ')', end_of_file), l)
   Fail: (211) [system] arg(_809360, v('(', ')', end_of_file), l)
^  Fail: (210) [user] is_delimiter(l)
   Call: (210) [system] ')'==l
   Fail: (210) [system] ')'==l
   Call: (210) [system] get_char((0x563acd73bee0), l)
   Exit: (210) [system] get_char((0x563acd73bee0), l)
   Call: (210) [system] l=(\)
   Fail: (210) [system] l=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _816710)
   Call: (211) [system] peek_char((0x563acd73bee0), _817644)
   Exit: (211) [system] peek_char((0x563acd73bee0), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Fail: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_822364, v('(', ')', end_of_file), i)
   Fail: (212) [system] arg(_823296, v('(', ')', end_of_file), i)
^  Fail: (211) [user] is_delimiter(i)
   Call: (211) [system] ')'==i
   Fail: (211) [system] ')'==i
   Call: (211) [system] get_char((0x563acd73bee0), i)
   Exit: (211) [system] get_char((0x563acd73bee0), i)
   Call: (211) [system] i=(\)
   Fail: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _830646)
   Call: (212) [system] peek_char((0x563acd73bee0), _831580)
   Exit: (212) [system] peek_char((0x563acd73bee0), c)
^  Call: (212) [user] is_delimiter(c)
   Call: (213) [system] char_type(c, space)
   Fail: (213) [system] char_type(c, space)
   Call: (213) [system] arg(_836300, v('(', ')', end_of_file), c)
   Fail: (213) [system] arg(_837232, v('(', ')', end_of_file), c)
^  Fail: (212) [user] is_delimiter(c)
   Call: (212) [system] ')'==c
   Fail: (212) [system] ')'==c
   Call: (212) [system] get_char((0x563acd73bee0), c)
   Exit: (212) [system] get_char((0x563acd73bee0), c)
   Call: (212) [system] c=(\)
   Fail: (212) [system] c=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _844582)
   Call: (213) [system] peek_char((0x563acd73bee0), _845516)
   Exit: (213) [system] peek_char((0x563acd73bee0), a)
^  Call: (213) [user] is_delimiter(a)
   Call: (214) [system] char_type(a, space)
   Fail: (214) [system] char_type(a, space)
   Call: (214) [system] arg(_850236, v('(', ')', end_of_file), a)
   Fail: (214) [system] arg(_851168, v('(', ')', end_of_file), a)
^  Fail: (213) [user] is_delimiter(a)
   Call: (213) [system] ')'==a
   Fail: (213) [system] ')'==a
   Call: (213) [system] get_char((0x563acd73bee0), a)
   Exit: (213) [system] get_char((0x563acd73bee0), a)
   Call: (213) [system] a=(\)
   Fail: (213) [system] a=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _858518)
   Call: (214) [system] peek_char((0x563acd73bee0), _859452)
   Exit: (214) [system] peek_char((0x563acd73bee0), t)
^  Call: (214) [user] is_delimiter(t)
   Call: (215) [system] char_type(t, space)
   Fail: (215) [system] char_type(t, space)
   Call: (215) [system] arg(_864172, v('(', ')', end_of_file), t)
   Fail: (215) [system] arg(_865104, v('(', ')', end_of_file), t)
^  Fail: (214) [user] is_delimiter(t)
   Call: (214) [system] ')'==t
   Fail: (214) [system] ')'==t
   Call: (214) [system] get_char((0x563acd73bee0), t)
   Exit: (214) [system] get_char((0x563acd73bee0), t)
   Call: (214) [system] t=(\)
   Fail: (214) [system] t=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _872454)
   Call: (215) [system] peek_char((0x563acd73bee0), _873388)
   Exit: (215) [system] peek_char((0x563acd73bee0), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Fail: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_878108, v('(', ')', end_of_file), i)
   Fail: (216) [system] arg(_879040, v('(', ')', end_of_file), i)
^  Fail: (215) [user] is_delimiter(i)
   Call: (215) [system] ')'==i
   Fail: (215) [system] ')'==i
   Call: (215) [system] get_char((0x563acd73bee0), i)
   Exit: (215) [system] get_char((0x563acd73bee0), i)
   Call: (215) [system] i=(\)
   Fail: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _886390)
   Call: (216) [system] peek_char((0x563acd73bee0), _887324)
   Exit: (216) [system] peek_char((0x563acd73bee0), o)
^  Call: (216) [user] is_delimiter(o)
   Call: (217) [system] char_type(o, space)
   Fail: (217) [system] char_type(o, space)
   Call: (217) [system] arg(_892044, v('(', ')', end_of_file), o)
   Fail: (217) [system] arg(_892976, v('(', ')', end_of_file), o)
^  Fail: (216) [user] is_delimiter(o)
   Call: (216) [system] ')'==o
   Fail: (216) [system] ')'==o
   Call: (216) [system] get_char((0x563acd73bee0), o)
   Exit: (216) [system] get_char((0x563acd73bee0), o)
   Call: (216) [system] o=(\)
   Fail: (216) [system] o=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _900326)
   Call: (217) [system] peek_char((0x563acd73bee0), _901260)
   Exit: (217) [system] peek_char((0x563acd73bee0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_905980, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_906912, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x563acd73bee0), n)
   Exit: (217) [system] get_char((0x563acd73bee0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _914262)
   Call: (218) [system] peek_char((0x563acd73bee0), _915196)
   Exit: (218) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _914262=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (217) [system] _900326=[n]
   Exit: (217) [system] [n]=[n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (216) [system] _886390=[o, n]
   Exit: (216) [system] [o, n]=[o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (215) [system] _872454=[i, o, n]
   Exit: (215) [system] [i, o, n]=[i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (214) [system] _858518=[t, i, o, n]
   Exit: (214) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (213) [system] _844582=[a, t, i, o, n]
   Exit: (213) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (212) [system] _830646=[c, a, t, i, o, n]
   Exit: (212) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (211) [system] _816710=[i, c, a, t, i, o, n]
   Exit: (211) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (210) [system] _802774=[l, i, c, a, t, i, o, n]
   Exit: (210) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (209) [system] _788838=[p, l, i, c, a, t, i, o, n]
   Exit: (209) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (208) [system] _774902=[m, p, l, i, c, a, t, i, o, n]
   Exit: (208) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (207) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _739392)
^  Call: (208) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _952420)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_953372, _953374), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _952420), _953354, fail)), '$restore_trace'(_953372, _953374))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_953372, _953374))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _952420), _953354, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_952420)
   Fail: (209) [system] atomic(_952420)
   Call: (209) [system] atom_chars(_952420, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (209) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (208) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (208) [system] integer('Implication')
   Fail: (208) [system] integer('Implication')
   Call: (208) [system] _739392='Implication'
   Exit: (208) [system] 'Implication'='Implication'
^  Exit: (207) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (206) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (205) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (205) [user] read_list(')', (0x563acd73bee0), _967370)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _969228)
   Exit: (207) [system] peek_char((0x563acd73bee0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
   Call: (207) [system] ' '=(/)
   Fail: (207) [system] ' '=(/)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x563acd73bee0), _978822)
   Exit: (207) [system] get_char((0x563acd73bee0), ' ')
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _981526)
   Exit: (208) [system] peek_char((0x563acd73bee0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _998460)
   Exit: (206) [system] peek_char((0x563acd73bee0), '(')
   Call: (206) [system] '('=')'
   Fail: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
   Fail: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x563acd73bee0), _1004030)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1005888)
   Exit: (208) [system] peek_char((0x563acd73bee0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] get_char((0x563acd73bee0), _1021898)
   Exit: (207) [system] get_char((0x563acd73bee0), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x563acd73bee0), _1004030)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1027468)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'O')
   Call: (209) [system] 'O'=(;)
   Fail: (209) [system] 'O'=(;)
   Call: (209) [system] 'O'=(/)
   Fail: (209) [system] 'O'=(/)
^  Call: (209) [user] is_like_space('O')
   Call: (210) [system] char_type('O', 'white')
   Fail: (210) [system] char_type('O', 'white')
   Call: (210) [system] char_type('O', end_of_line)
   Fail: (210) [system] char_type('O', end_of_line)
   Call: (210) [system] char_type('O', space)
   Fail: (210) [system] char_type('O', space)
   Call: (210) [system] char_type('O', cntrl)
   Fail: (210) [system] char_type('O', cntrl)
^  Fail: (209) [user] is_like_space('O')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1043478)
   Exit: (208) [system] peek_char((0x563acd73bee0), 'O')
   Call: (208) [system] 'O'=')'
   Fail: (208) [system] 'O'=')'
   Call: (208) [system] 'O'=end_of_file
   Fail: (208) [system] 'O'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x563acd73bee0), _1049048)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1050906)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'O')
   Call: (210) [system] 'O'=(;)
   Fail: (210) [system] 'O'=(;)
   Call: (210) [system] 'O'=(/)
   Fail: (210) [system] 'O'=(/)
^  Call: (210) [user] is_like_space('O')
   Call: (211) [system] char_type('O', 'white')
   Fail: (211) [system] char_type('O', 'white')
   Call: (211) [system] char_type('O', end_of_line)
   Fail: (211) [system] char_type('O', end_of_line)
   Call: (211) [system] char_type('O', space)
   Fail: (211) [system] char_type('O', space)
   Call: (211) [system] char_type('O', cntrl)
   Fail: (211) [system] char_type('O', cntrl)
^  Fail: (210) [user] is_like_space('O')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] get_char((0x563acd73bee0), _1066916)
   Exit: (209) [system] get_char((0x563acd73bee0), 'O')
   Call: (209) [system] 'O'='('
   Fail: (209) [system] 'O'='('
   Call: (209) [system] 'O'='['
   Fail: (209) [system] 'O'='['
   Call: (209) [system] 'O'='{'
   Fail: (209) [system] 'O'='{'
   Call: (209) [system] 'O'='"'
   Fail: (209) [system] 'O'='"'
   Call: (209) [system] 'O'=!
   Fail: (209) [system] 'O'=!
   Call: (209) [system] 'O'='\''
   Fail: (209) [system] 'O'='\''
   Call: (209) [system] 'O'='`'
   Fail: (209) [system] 'O'='`'
   Call: (209) [system] 'O'=end_of_file
   Fail: (209) [system] 'O'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x563acd73bee0), 'O', _1049048)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1084558)
   Call: (211) [system] peek_char((0x563acd73bee0), _1085492)
   Exit: (211) [system] peek_char((0x563acd73bee0), r)
^  Call: (211) [user] is_delimiter(r)
   Call: (212) [system] char_type(r, space)
   Fail: (212) [system] char_type(r, space)
   Call: (212) [system] arg(_1090212, v('(', ')', end_of_file), r)
   Fail: (212) [system] arg(_1091144, v('(', ')', end_of_file), r)
^  Fail: (211) [user] is_delimiter(r)
   Call: (211) [system] ')'==r
   Fail: (211) [system] ')'==r
   Call: (211) [system] get_char((0x563acd73bee0), r)
   Exit: (211) [system] get_char((0x563acd73bee0), r)
   Call: (211) [system] r=(\)
   Fail: (211) [system] r=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1098494)
   Call: (212) [system] peek_char((0x563acd73bee0), _1099428)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (212) [user] is_delimiter('L')
   Call: (213) [system] char_type('L', space)
   Fail: (213) [system] char_type('L', space)
   Call: (213) [system] arg(_1104148, v('(', ')', end_of_file), 'L')
   Fail: (213) [system] arg(_1105080, v('(', ')', end_of_file), 'L')
^  Fail: (212) [user] is_delimiter('L')
   Call: (212) [system] ')'=='L'
   Fail: (212) [system] ')'=='L'
   Call: (212) [system] get_char((0x563acd73bee0), 'L')
   Exit: (212) [system] get_char((0x563acd73bee0), 'L')
   Call: (212) [system] 'L'=(\)
   Fail: (212) [system] 'L'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _1112430)
   Call: (213) [system] peek_char((0x563acd73bee0), _1113364)
   Exit: (213) [system] peek_char((0x563acd73bee0), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Fail: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_1118084, v('(', ')', end_of_file), i)
   Fail: (214) [system] arg(_1119016, v('(', ')', end_of_file), i)
^  Fail: (213) [user] is_delimiter(i)
   Call: (213) [system] ')'==i
   Fail: (213) [system] ')'==i
   Call: (213) [system] get_char((0x563acd73bee0), i)
   Exit: (213) [system] get_char((0x563acd73bee0), i)
   Call: (213) [system] i=(\)
   Fail: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _1126366)
   Call: (214) [system] peek_char((0x563acd73bee0), _1127300)
   Exit: (214) [system] peek_char((0x563acd73bee0), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_1132020, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_1132952, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x563acd73bee0), n)
   Exit: (214) [system] get_char((0x563acd73bee0), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _1140302)
   Call: (215) [system] peek_char((0x563acd73bee0), _1141236)
   Exit: (215) [system] peek_char((0x563acd73bee0), k)
^  Call: (215) [user] is_delimiter(k)
   Call: (216) [system] char_type(k, space)
   Fail: (216) [system] char_type(k, space)
   Call: (216) [system] arg(_1145956, v('(', ')', end_of_file), k)
   Fail: (216) [system] arg(_1146888, v('(', ')', end_of_file), k)
^  Fail: (215) [user] is_delimiter(k)
   Call: (215) [system] ')'==k
   Fail: (215) [system] ')'==k
   Call: (215) [system] get_char((0x563acd73bee0), k)
   Exit: (215) [system] get_char((0x563acd73bee0), k)
   Call: (215) [system] k=(\)
   Fail: (215) [system] k=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _1154238)
   Call: (216) [system] peek_char((0x563acd73bee0), _1155172)
   Exit: (216) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _1154238=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (215) [system] _1140302=[k]
   Exit: (215) [system] [k]=[k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (214) [system] _1126366=[n, k]
   Exit: (214) [system] [n, k]=[n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (213) [system] _1112430=[i, n, k]
   Exit: (213) [system] [i, n, k]=[i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (212) [system] _1098494=['L', i, n, k]
   Exit: (212) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (211) [system] _1084558=[r, 'L', i, n, k]
   Exit: (211) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (210) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1049048)
^  Call: (211) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1178426)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_1179378, _1179380), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1178426), _1179360, fail)), '$restore_trace'(_1179378, _1179380))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_1179378, _1179380))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1178426), _1179360, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_1178426)
   Fail: (212) [system] atomic(_1178426)
   Call: (212) [system] atom_chars(_1178426, ['O', r, 'L', i, n, k])
   Exit: (212) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (211) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (211) [system] integer('OrLink')
   Fail: (211) [system] integer('OrLink')
   Call: (211) [system] _1049048='OrLink'
   Exit: (211) [system] 'OrLink'='OrLink'
^  Exit: (210) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (209) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (208) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (208) [user] read_list(')', (0x563acd73bee0), _1193376)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1195234)
   Exit: (210) [system] peek_char((0x563acd73bee0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x563acd73bee0), _1204828)
   Exit: (210) [system] get_char((0x563acd73bee0), ' ')
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1207532)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'C')
   Call: (211) [system] 'C'=(;)
   Fail: (211) [system] 'C'=(;)
   Call: (211) [system] 'C'=(/)
   Fail: (211) [system] 'C'=(/)
^  Call: (211) [user] is_like_space('C')
   Call: (212) [system] char_type('C', 'white')
   Fail: (212) [system] char_type('C', 'white')
   Call: (212) [system] char_type('C', end_of_line)
   Fail: (212) [system] char_type('C', end_of_line)
   Call: (212) [system] char_type('C', space)
   Fail: (212) [system] char_type('C', space)
   Call: (212) [system] char_type('C', cntrl)
   Fail: (212) [system] char_type('C', cntrl)
^  Fail: (211) [user] is_like_space('C')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1224466)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'C')
   Call: (209) [system] 'C'=')'
   Fail: (209) [system] 'C'=')'
   Call: (209) [system] 'C'=end_of_file
   Fail: (209) [system] 'C'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x563acd73bee0), _1230036)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1231894)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'C')
   Call: (211) [system] 'C'=(;)
   Fail: (211) [system] 'C'=(;)
   Call: (211) [system] 'C'=(/)
   Fail: (211) [system] 'C'=(/)
^  Call: (211) [user] is_like_space('C')
   Call: (212) [system] char_type('C', 'white')
   Fail: (212) [system] char_type('C', 'white')
   Call: (212) [system] char_type('C', end_of_line)
   Fail: (212) [system] char_type('C', end_of_line)
   Call: (212) [system] char_type('C', space)
   Fail: (212) [system] char_type('C', space)
   Call: (212) [system] char_type('C', cntrl)
   Fail: (212) [system] char_type('C', cntrl)
^  Fail: (211) [user] is_like_space('C')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] get_char((0x563acd73bee0), _1247904)
   Exit: (210) [system] get_char((0x563acd73bee0), 'C')
   Call: (210) [system] 'C'='('
   Fail: (210) [system] 'C'='('
   Call: (210) [system] 'C'='['
   Fail: (210) [system] 'C'='['
   Call: (210) [system] 'C'='{'
   Fail: (210) [system] 'C'='{'
   Call: (210) [system] 'C'='"'
   Fail: (210) [system] 'C'='"'
   Call: (210) [system] 'C'=!
   Fail: (210) [system] 'C'=!
   Call: (210) [system] 'C'='\''
   Fail: (210) [system] 'C'='\''
   Call: (210) [system] 'C'='`'
   Fail: (210) [system] 'C'='`'
   Call: (210) [system] 'C'=end_of_file
   Fail: (210) [system] 'C'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x563acd73bee0), 'C', _1230036)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1265546)
   Call: (212) [system] peek_char((0x563acd73bee0), _1266480)
   Exit: (212) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _1265546=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (211) [user] classify_and_convert_charseq(['C'], _1230036)
^  Call: (212) [user] classify_and_convert_charseq_(['C'], _1275764)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_1276716, _1276718), once(user:catch(read_from_chars(['C'], _1275764), _1276698, fail)), '$restore_trace'(_1276716, _1276718))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_1276716, _1276718))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1275764), _1276698, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_1275764)
   Fail: (213) [system] atomic(_1275764)
   Call: (213) [system] atom_chars(_1275764, ['C'])
   Exit: (213) [system] atom_chars('C', ['C'])
^  Exit: (212) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (212) [system] integer('C')
   Fail: (212) [system] integer('C')
   Call: (212) [system] _1230036='C'
   Exit: (212) [system] 'C'='C'
^  Exit: (211) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (210) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (209) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (209) [user] read_list(')', (0x563acd73bee0), _1290714)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1292572)
   Exit: (211) [system] peek_char((0x563acd73bee0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x563acd73bee0), _1302166)
   Exit: (211) [system] get_char((0x563acd73bee0), ' ')
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1304870)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'D')
   Call: (212) [system] 'D'=(;)
   Fail: (212) [system] 'D'=(;)
   Call: (212) [system] 'D'=(/)
   Fail: (212) [system] 'D'=(/)
^  Call: (212) [user] is_like_space('D')
   Call: (213) [system] char_type('D', 'white')
   Fail: (213) [system] char_type('D', 'white')
   Call: (213) [system] char_type('D', end_of_line)
   Fail: (213) [system] char_type('D', end_of_line)
   Call: (213) [system] char_type('D', space)
   Fail: (213) [system] char_type('D', space)
   Call: (213) [system] char_type('D', cntrl)
   Fail: (213) [system] char_type('D', cntrl)
^  Fail: (212) [user] is_like_space('D')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1321804)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'D')
   Call: (210) [system] 'D'=')'
   Fail: (210) [system] 'D'=')'
   Call: (210) [system] 'D'=end_of_file
   Fail: (210) [system] 'D'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x563acd73bee0), _1327374)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1329232)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'D')
   Call: (212) [system] 'D'=(;)
   Fail: (212) [system] 'D'=(;)
   Call: (212) [system] 'D'=(/)
   Fail: (212) [system] 'D'=(/)
^  Call: (212) [user] is_like_space('D')
   Call: (213) [system] char_type('D', 'white')
   Fail: (213) [system] char_type('D', 'white')
   Call: (213) [system] char_type('D', end_of_line)
   Fail: (213) [system] char_type('D', end_of_line)
   Call: (213) [system] char_type('D', space)
   Fail: (213) [system] char_type('D', space)
   Call: (213) [system] char_type('D', cntrl)
   Fail: (213) [system] char_type('D', cntrl)
^  Fail: (212) [user] is_like_space('D')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] get_char((0x563acd73bee0), _1345242)
   Exit: (211) [system] get_char((0x563acd73bee0), 'D')
   Call: (211) [system] 'D'='('
   Fail: (211) [system] 'D'='('
   Call: (211) [system] 'D'='['
   Fail: (211) [system] 'D'='['
   Call: (211) [system] 'D'='{'
   Fail: (211) [system] 'D'='{'
   Call: (211) [system] 'D'='"'
   Fail: (211) [system] 'D'='"'
   Call: (211) [system] 'D'=!
   Fail: (211) [system] 'D'=!
   Call: (211) [system] 'D'='\''
   Fail: (211) [system] 'D'='\''
   Call: (211) [system] 'D'='`'
   Fail: (211) [system] 'D'='`'
   Call: (211) [system] 'D'=end_of_file
   Fail: (211) [system] 'D'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x563acd73bee0), 'D', _1327374)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _1362884)
   Call: (213) [system] peek_char((0x563acd73bee0), _1363818)
   Exit: (213) [system] peek_char((0x563acd73bee0), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_1368538, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _1362884=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (212) [user] classify_and_convert_charseq(['D'], _1327374)
^  Call: (213) [user] classify_and_convert_charseq_(['D'], _1374974)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_1375926, _1375928), once(user:catch(read_from_chars(['D'], _1374974), _1375908, fail)), '$restore_trace'(_1375926, _1375928))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_1375926, _1375928))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1374974), _1375908, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_1374974)
   Fail: (214) [system] atomic(_1374974)
   Call: (214) [system] atom_chars(_1374974, ['D'])
   Exit: (214) [system] atom_chars('D', ['D'])
^  Exit: (213) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (213) [system] integer('D')
   Fail: (213) [system] integer('D')
   Call: (213) [system] _1327374='D'
   Exit: (213) [system] 'D'='D'
^  Exit: (212) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (211) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'D')
^  Exit: (210) [user] cont_sexpr(')', (0x563acd73bee0), 'D')
^  Call: (210) [user] read_list(')', (0x563acd73bee0), _1389924)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1391782)
   Exit: (212) [system] peek_char((0x563acd73bee0), ')')
   Call: (212) [system] ')'=(;)
   Fail: (212) [system] ')'=(;)
   Call: (212) [system] ')'=(/)
   Fail: (212) [system] ')'=(/)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Fail: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Fail: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
   Fail: (213) [system] char_type(')', cntrl)
^  Fail: (212) [user] is_like_space(')')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1407792)
   Exit: (211) [system] peek_char((0x563acd73bee0), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x563acd73bee0), _1411582)
   Exit: (211) [system] get_char((0x563acd73bee0), ')')
   Call: (211) [system] _1389924=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x563acd73bee0), [])
   Call: (210) [system] _1290714=['D']
   Exit: (210) [system] ['D']=['D']
^  Exit: (209) [user] read_list(')', (0x563acd73bee0), ['D'])
   Call: (209) [system] _1193376=['C', 'D']
   Exit: (209) [system] ['C', 'D']=['C', 'D']
^  Exit: (208) [user] read_list(')', (0x563acd73bee0), ['C', 'D'])
   Call: (208) [system] _1004030=['OrLink', 'C', 'D']
   Exit: (208) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (207) [user] read_list(')', (0x563acd73bee0), ['OrLink', 'C', 'D'])
^  Exit: (206) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', 'C', 'D'])
^  Call: (206) [user] read_list(')', (0x563acd73bee0), _1425464)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1427322)
   Exit: (208) [system] peek_char((0x563acd73bee0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x563acd73bee0), _1436916)
   Exit: (208) [system] get_char((0x563acd73bee0), ' ')
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1439620)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'E')
   Call: (209) [system] 'E'=(;)
   Fail: (209) [system] 'E'=(;)
   Call: (209) [system] 'E'=(/)
   Fail: (209) [system] 'E'=(/)
^  Call: (209) [user] is_like_space('E')
   Call: (210) [system] char_type('E', 'white')
   Fail: (210) [system] char_type('E', 'white')
   Call: (210) [system] char_type('E', end_of_line)
   Fail: (210) [system] char_type('E', end_of_line)
   Call: (210) [system] char_type('E', space)
   Fail: (210) [system] char_type('E', space)
   Call: (210) [system] char_type('E', cntrl)
   Fail: (210) [system] char_type('E', cntrl)
^  Fail: (209) [user] is_like_space('E')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1456554)
   Exit: (207) [system] peek_char((0x563acd73bee0), 'E')
   Call: (207) [system] 'E'=')'
   Fail: (207) [system] 'E'=')'
   Call: (207) [system] 'E'=end_of_file
   Fail: (207) [system] 'E'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x563acd73bee0), _1462124)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1463982)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'E')
   Call: (209) [system] 'E'=(;)
   Fail: (209) [system] 'E'=(;)
   Call: (209) [system] 'E'=(/)
   Fail: (209) [system] 'E'=(/)
^  Call: (209) [user] is_like_space('E')
   Call: (210) [system] char_type('E', 'white')
   Fail: (210) [system] char_type('E', 'white')
   Call: (210) [system] char_type('E', end_of_line)
   Fail: (210) [system] char_type('E', end_of_line)
   Call: (210) [system] char_type('E', space)
   Fail: (210) [system] char_type('E', space)
   Call: (210) [system] char_type('E', cntrl)
   Fail: (210) [system] char_type('E', cntrl)
^  Fail: (209) [user] is_like_space('E')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] get_char((0x563acd73bee0), _1479992)
   Exit: (208) [system] get_char((0x563acd73bee0), 'E')
   Call: (208) [system] 'E'='('
   Fail: (208) [system] 'E'='('
   Call: (208) [system] 'E'='['
   Fail: (208) [system] 'E'='['
   Call: (208) [system] 'E'='{'
   Fail: (208) [system] 'E'='{'
   Call: (208) [system] 'E'='"'
   Fail: (208) [system] 'E'='"'
   Call: (208) [system] 'E'=!
   Fail: (208) [system] 'E'=!
   Call: (208) [system] 'E'='\''
   Fail: (208) [system] 'E'='\''
   Call: (208) [system] 'E'='`'
   Fail: (208) [system] 'E'='`'
   Call: (208) [system] 'E'=end_of_file
   Fail: (208) [system] 'E'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x563acd73bee0), 'E', _1462124)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1497634)
   Call: (210) [system] peek_char((0x563acd73bee0), _1498568)
   Exit: (210) [system] peek_char((0x563acd73bee0), ')')
^  Call: (210) [user] is_delimiter(')')
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] arg(_1503288, v('(', ')', end_of_file), ')')
   Exit: (211) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (210) [user] is_delimiter(')')
   Call: (210) [system] _1497634=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (209) [user] classify_and_convert_charseq(['E'], _1462124)
^  Call: (210) [user] classify_and_convert_charseq_(['E'], _1509724)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1510676, _1510678), once(user:catch(read_from_chars(['E'], _1509724), _1510658, fail)), '$restore_trace'(_1510676, _1510678))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1510676, _1510678))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1509724), _1510658, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_1509724)
   Fail: (211) [system] atomic(_1509724)
   Call: (211) [system] atom_chars(_1509724, ['E'])
   Exit: (211) [system] atom_chars('E', ['E'])
^  Exit: (210) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (210) [system] integer('E')
   Fail: (210) [system] integer('E')
   Call: (210) [system] _1462124='E'
   Exit: (210) [system] 'E'='E'
^  Exit: (209) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (208) [user] read_symbolic(')', (0x563acd73bee0), 'E', 'E')
^  Exit: (207) [user] cont_sexpr(')', (0x563acd73bee0), 'E')
^  Call: (207) [user] read_list(')', (0x563acd73bee0), _1524674)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1526532)
   Exit: (209) [system] peek_char((0x563acd73bee0), ')')
   Call: (209) [system] ')'=(;)
   Fail: (209) [system] ')'=(;)
   Call: (209) [system] ')'=(/)
   Fail: (209) [system] ')'=(/)
^  Call: (209) [user] is_like_space(')')
   Call: (210) [system] char_type(')', 'white')
   Fail: (210) [system] char_type(')', 'white')
   Call: (210) [system] char_type(')', end_of_line)
   Fail: (210) [system] char_type(')', end_of_line)
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] char_type(')', cntrl)
   Fail: (210) [system] char_type(')', cntrl)
^  Fail: (209) [user] is_like_space(')')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1542542)
   Exit: (208) [system] peek_char((0x563acd73bee0), ')')
   Call: (208) [system] ')'=')'
   Exit: (208) [system] ')'=')'
   Call: (208) [system] get_char((0x563acd73bee0), _1546332)
   Exit: (208) [system] get_char((0x563acd73bee0), ')')
   Call: (208) [system] _1524674=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_list(')', (0x563acd73bee0), [])
   Call: (207) [system] _1425464=['E']
   Exit: (207) [system] ['E']=['E']
^  Exit: (206) [user] read_list(')', (0x563acd73bee0), ['E'])
   Call: (206) [system] _967370=[['OrLink', 'C', 'D'], 'E']
   Exit: (206) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (205) [user] read_list(')', (0x563acd73bee0), [['OrLink', 'C', 'D'], 'E'])
   Call: (205) [system] _694374=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (205) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (204) [user] read_list(')', (0x563acd73bee0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (203) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (203) [user] read_list(')', (0x563acd73bee0), _1560214)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1562072)
   Exit: (205) [system] peek_char((0x563acd73bee0), ')')
   Call: (205) [system] ')'=(;)
   Fail: (205) [system] ')'=(;)
   Call: (205) [system] ')'=(/)
   Fail: (205) [system] ')'=(/)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Fail: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Fail: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
   Fail: (206) [system] char_type(')', cntrl)
^  Fail: (205) [user] is_like_space(')')
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1578082)
   Exit: (204) [system] peek_char((0x563acd73bee0), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x563acd73bee0), _1581872)
   Exit: (204) [system] get_char((0x563acd73bee0), ')')
   Call: (204) [system] _1560214=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x563acd73bee0), [])
   Call: (203) [system] _657714=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (203) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (202) [user] read_list(')', (0x563acd73bee0), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (202) [system] _3904=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (202) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (201) [user] read_list(')', (0x563acd73bee0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (201) [system] _3896=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (201) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (199) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _1595754)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1597612)
   Exit: (201) [system] peek_char((0x563acd73bee0), ')')
   Call: (201) [system] ')'=(;)
   Fail: (201) [system] ')'=(;)
   Call: (201) [system] ')'=(/)
   Fail: (201) [system] ')'=(/)
^  Call: (201) [user] is_like_space(')')
   Call: (202) [system] char_type(')', 'white')
   Fail: (202) [system] char_type(')', 'white')
   Call: (202) [system] char_type(')', end_of_line)
   Fail: (202) [system] char_type(')', end_of_line)
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] char_type(')', cntrl)
   Fail: (202) [system] char_type(')', cntrl)
^  Fail: (201) [user] is_like_space(')')
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1613622)
   Exit: (200) [system] peek_char((0x563acd73bee0), ')')
   Call: (200) [system] ')'=')'
   Exit: (200) [system] ')'=')'
   Call: (200) [system] get_char((0x563acd73bee0), _1617412)
   Exit: (200) [system] get_char((0x563acd73bee0), ')')
   Call: (200) [system] _1595754=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), [])
   Call: (199) [system] _3892=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (199) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (198) [user] read_list(')', (0x563acd73bee0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (198) [system] _3868=[['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (198) [system] [['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (197) [user] read_list(')', (0x563acd73bee0), [['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (197) [system] _3860=[:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (197) [system] [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (196) [user] read_list(')', (0x563acd73bee0), [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (195) [user] cont_sexpr(')', (0x563acd73bee0), [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (195) [user] read_list(')', (0x563acd73bee0), _1631294)
^  Call: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1633152)
   Exit: (197) [system] peek_char((0x563acd73bee0), '\n')
   Call: (197) [system] '\n'=(;)
   Fail: (197) [system] '\n'=(;)
   Call: (197) [system] '\n'=(/)
   Fail: (197) [system] '\n'=(/)
^  Call: (197) [user] is_like_space('\n')
   Call: (198) [system] char_type('\n', 'white')
   Fail: (198) [system] char_type('\n', 'white')
   Call: (198) [system] char_type('\n', end_of_line)
   Exit: (198) [system] char_type('\n', end_of_line)
^  Exit: (197) [user] is_like_space('\n')
   Call: (197) [system] get_char((0x563acd73bee0), _1644602)
   Exit: (197) [system] get_char((0x563acd73bee0), '\n')
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1647306)
   Exit: (198) [system] peek_char((0x563acd73bee0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
   Call: (198) [system] ' '=(/)
   Fail: (198) [system] ' '=(/)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x563acd73bee0), _1656900)
   Exit: (198) [system] get_char((0x563acd73bee0), ' ')
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1659604)
   Exit: (199) [system] peek_char((0x563acd73bee0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
^  Exit: (196) [user] skip_spaces((0x563acd73bee0))
   Call: (196) [system] peek_char((0x563acd73bee0), _1677462)
   Exit: (196) [system] peek_char((0x563acd73bee0), '(')
   Call: (196) [system] '('=')'
   Fail: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
   Fail: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x563acd73bee0), _1683032)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1684890)
   Exit: (198) [system] peek_char((0x563acd73bee0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
   Call: (198) [system] '('=(/)
   Fail: (198) [system] '('=(/)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] get_char((0x563acd73bee0), _1700900)
   Exit: (197) [system] get_char((0x563acd73bee0), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _1683032)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1706470)
   Exit: (199) [system] peek_char((0x563acd73bee0), :)
   Call: (199) [system] (:)=(;)
   Fail: (199) [system] (:)=(;)
   Call: (199) [system] (:)=(/)
   Fail: (199) [system] (:)=(/)
^  Call: (199) [user] is_like_space(:)
   Call: (200) [system] char_type(:, 'white')
   Fail: (200) [system] char_type(:, 'white')
   Call: (200) [system] char_type(:, end_of_line)
   Fail: (200) [system] char_type(:, end_of_line)
   Call: (200) [system] char_type(:, space)
   Fail: (200) [system] char_type(:, space)
   Call: (200) [system] char_type(:, cntrl)
   Fail: (200) [system] char_type(:, cntrl)
^  Fail: (199) [user] is_like_space(:)
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1722480)
   Exit: (198) [system] peek_char((0x563acd73bee0), :)
   Call: (198) [system] (:)=')'
   Fail: (198) [system] (:)=')'
   Call: (198) [system] (:)=end_of_file
   Fail: (198) [system] (:)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x563acd73bee0), _1728050)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1729908)
   Exit: (200) [system] peek_char((0x563acd73bee0), :)
   Call: (200) [system] (:)=(;)
   Fail: (200) [system] (:)=(;)
   Call: (200) [system] (:)=(/)
   Fail: (200) [system] (:)=(/)
^  Call: (200) [user] is_like_space(:)
   Call: (201) [system] char_type(:, 'white')
   Fail: (201) [system] char_type(:, 'white')
   Call: (201) [system] char_type(:, end_of_line)
   Fail: (201) [system] char_type(:, end_of_line)
   Call: (201) [system] char_type(:, space)
   Fail: (201) [system] char_type(:, space)
   Call: (201) [system] char_type(:, cntrl)
   Fail: (201) [system] char_type(:, cntrl)
^  Fail: (200) [user] is_like_space(:)
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] get_char((0x563acd73bee0), _1745918)
   Exit: (199) [system] get_char((0x563acd73bee0), :)
   Call: (199) [system] (:)='('
   Fail: (199) [system] (:)='('
   Call: (199) [system] (:)='['
   Fail: (199) [system] (:)='['
   Call: (199) [system] (:)='{'
   Fail: (199) [system] (:)='{'
   Call: (199) [system] (:)='"'
   Fail: (199) [system] (:)='"'
   Call: (199) [system] (:)=!
   Fail: (199) [system] (:)=!
   Call: (199) [system] (:)='\''
   Fail: (199) [system] (:)='\''
   Call: (199) [system] (:)='`'
   Fail: (199) [system] (:)='`'
   Call: (199) [system] (:)=end_of_file
   Fail: (199) [system] (:)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x563acd73bee0), :, _1728050)
^  Call: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), _1763560)
   Call: (201) [system] peek_char((0x563acd73bee0), _1764494)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (201) [user] is_delimiter(' ')
   Call: (202) [system] char_type(' ', space)
   Exit: (202) [system] char_type(' ', space)
^  Exit: (201) [user] is_delimiter(' ')
   Call: (201) [system] _1763560=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (200) [user] classify_and_convert_charseq([:], _1728050)
^  Call: (201) [user] classify_and_convert_charseq_([:], _1773778)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_1774730, _1774732), once(user:catch(read_from_chars([:], _1773778), _1774712, fail)), '$restore_trace'(_1774730, _1774732))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_1774730, _1774732))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1774712, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(:)
   Exit: (202) [system] atomic(:)
^  Exit: (201) [user] classify_and_convert_charseq_([:], :)
   Call: (201) [system] integer(:)
   Fail: (201) [system] integer(:)
   Call: (201) [system] _1728050=(:)
   Exit: (201) [system] (:)=(:)
^  Exit: (200) [user] classify_and_convert_charseq([:], :)
^  Exit: (199) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (198) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _1786858)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1788716)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x563acd73bee0), _1798310)
   Exit: (200) [system] get_char((0x563acd73bee0), ' ')
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1801014)
   Exit: (201) [system] peek_char((0x563acd73bee0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
   Call: (201) [system] '('=(/)
   Fail: (201) [system] '('=(/)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1817948)
   Exit: (199) [system] peek_char((0x563acd73bee0), '(')
   Call: (199) [system] '('=')'
   Fail: (199) [system] '('=')'
   Call: (199) [system] '('=end_of_file
   Fail: (199) [system] '('=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x563acd73bee0), _1823518)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1825376)
   Exit: (201) [system] peek_char((0x563acd73bee0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
   Call: (201) [system] '('=(/)
   Fail: (201) [system] '('=(/)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] get_char((0x563acd73bee0), _1841386)
   Exit: (200) [system] get_char((0x563acd73bee0), '(')
   Call: (200) [system] '('='('
   Exit: (200) [system] '('='('
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _1823518)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1846956)
   Exit: (202) [system] peek_char((0x563acd73bee0), 'D')
   Call: (202) [system] 'D'=(;)
   Fail: (202) [system] 'D'=(;)
   Call: (202) [system] 'D'=(/)
   Fail: (202) [system] 'D'=(/)
^  Call: (202) [user] is_like_space('D')
   Call: (203) [system] char_type('D', 'white')
   Fail: (203) [system] char_type('D', 'white')
   Call: (203) [system] char_type('D', end_of_line)
   Fail: (203) [system] char_type('D', end_of_line)
   Call: (203) [system] char_type('D', space)
   Fail: (203) [system] char_type('D', space)
   Call: (203) [system] char_type('D', cntrl)
   Fail: (203) [system] char_type('D', cntrl)
^  Fail: (202) [user] is_like_space('D')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1862966)
   Exit: (201) [system] peek_char((0x563acd73bee0), 'D')
   Call: (201) [system] 'D'=')'
   Fail: (201) [system] 'D'=')'
   Call: (201) [system] 'D'=end_of_file
   Fail: (201) [system] 'D'=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x563acd73bee0), _1868536)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1870394)
   Exit: (203) [system] peek_char((0x563acd73bee0), 'D')
   Call: (203) [system] 'D'=(;)
   Fail: (203) [system] 'D'=(;)
   Call: (203) [system] 'D'=(/)
   Fail: (203) [system] 'D'=(/)
^  Call: (203) [user] is_like_space('D')
   Call: (204) [system] char_type('D', 'white')
   Fail: (204) [system] char_type('D', 'white')
   Call: (204) [system] char_type('D', end_of_line)
   Fail: (204) [system] char_type('D', end_of_line)
   Call: (204) [system] char_type('D', space)
   Fail: (204) [system] char_type('D', space)
   Call: (204) [system] char_type('D', cntrl)
   Fail: (204) [system] char_type('D', cntrl)
^  Fail: (203) [user] is_like_space('D')
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] get_char((0x563acd73bee0), _1886404)
   Exit: (202) [system] get_char((0x563acd73bee0), 'D')
   Call: (202) [system] 'D'='('
   Fail: (202) [system] 'D'='('
   Call: (202) [system] 'D'='['
   Fail: (202) [system] 'D'='['
   Call: (202) [system] 'D'='{'
   Fail: (202) [system] 'D'='{'
   Call: (202) [system] 'D'='"'
   Fail: (202) [system] 'D'='"'
   Call: (202) [system] 'D'=!
   Fail: (202) [system] 'D'=!
   Call: (202) [system] 'D'='\''
   Fail: (202) [system] 'D'='\''
   Call: (202) [system] 'D'='`'
   Fail: (202) [system] 'D'='`'
   Call: (202) [system] 'D'=end_of_file
   Fail: (202) [system] 'D'=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x563acd73bee0), 'D', _1868536)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _1904046)
   Call: (204) [system] peek_char((0x563acd73bee0), _1904980)
   Exit: (204) [system] peek_char((0x563acd73bee0), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Fail: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_1909700, v('(', ')', end_of_file), i)
   Fail: (205) [system] arg(_1910632, v('(', ')', end_of_file), i)
^  Fail: (204) [user] is_delimiter(i)
   Call: (204) [system] ')'==i
   Fail: (204) [system] ')'==i
   Call: (204) [system] get_char((0x563acd73bee0), i)
   Exit: (204) [system] get_char((0x563acd73bee0), i)
   Call: (204) [system] i=(\)
   Fail: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1917982)
   Call: (205) [system] peek_char((0x563acd73bee0), _1918916)
   Exit: (205) [system] peek_char((0x563acd73bee0), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Fail: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_1923636, v('(', ')', end_of_file), s)
   Fail: (206) [system] arg(_1924568, v('(', ')', end_of_file), s)
^  Fail: (205) [user] is_delimiter(s)
   Call: (205) [system] ')'==s
   Fail: (205) [system] ')'==s
   Call: (205) [system] get_char((0x563acd73bee0), s)
   Exit: (205) [system] get_char((0x563acd73bee0), s)
   Call: (205) [system] s=(\)
   Fail: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1931918)
   Call: (206) [system] peek_char((0x563acd73bee0), _1932852)
   Exit: (206) [system] peek_char((0x563acd73bee0), j)
^  Call: (206) [user] is_delimiter(j)
   Call: (207) [system] char_type(j, space)
   Fail: (207) [system] char_type(j, space)
   Call: (207) [system] arg(_1937572, v('(', ')', end_of_file), j)
   Fail: (207) [system] arg(_1938504, v('(', ')', end_of_file), j)
^  Fail: (206) [user] is_delimiter(j)
   Call: (206) [system] ')'==j
   Fail: (206) [system] ')'==j
   Call: (206) [system] get_char((0x563acd73bee0), j)
   Exit: (206) [system] get_char((0x563acd73bee0), j)
   Call: (206) [system] j=(\)
   Fail: (206) [system] j=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1945854)
   Call: (207) [system] peek_char((0x563acd73bee0), _1946788)
   Exit: (207) [system] peek_char((0x563acd73bee0), u)
^  Call: (207) [user] is_delimiter(u)
   Call: (208) [system] char_type(u, space)
   Fail: (208) [system] char_type(u, space)
   Call: (208) [system] arg(_1951508, v('(', ')', end_of_file), u)
   Fail: (208) [system] arg(_1952440, v('(', ')', end_of_file), u)
^  Fail: (207) [user] is_delimiter(u)
   Call: (207) [system] ')'==u
   Fail: (207) [system] ')'==u
   Call: (207) [system] get_char((0x563acd73bee0), u)
   Exit: (207) [system] get_char((0x563acd73bee0), u)
   Call: (207) [system] u=(\)
   Fail: (207) [system] u=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1959790)
   Call: (208) [system] peek_char((0x563acd73bee0), _1960724)
   Exit: (208) [system] peek_char((0x563acd73bee0), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Fail: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_1965444, v('(', ')', end_of_file), n)
   Fail: (209) [system] arg(_1966376, v('(', ')', end_of_file), n)
^  Fail: (208) [user] is_delimiter(n)
   Call: (208) [system] ')'==n
   Fail: (208) [system] ')'==n
   Call: (208) [system] get_char((0x563acd73bee0), n)
   Exit: (208) [system] get_char((0x563acd73bee0), n)
   Call: (208) [system] n=(\)
   Fail: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1973726)
   Call: (209) [system] peek_char((0x563acd73bee0), _1974660)
   Exit: (209) [system] peek_char((0x563acd73bee0), c)
^  Call: (209) [user] is_delimiter(c)
   Call: (210) [system] char_type(c, space)
   Fail: (210) [system] char_type(c, space)
   Call: (210) [system] arg(_1979380, v('(', ')', end_of_file), c)
   Fail: (210) [system] arg(_1980312, v('(', ')', end_of_file), c)
^  Fail: (209) [user] is_delimiter(c)
   Call: (209) [system] ')'==c
   Fail: (209) [system] ')'==c
   Call: (209) [system] get_char((0x563acd73bee0), c)
   Exit: (209) [system] get_char((0x563acd73bee0), c)
   Call: (209) [system] c=(\)
   Fail: (209) [system] c=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1987662)
   Call: (210) [system] peek_char((0x563acd73bee0), _1988596)
   Exit: (210) [system] peek_char((0x563acd73bee0), t)
^  Call: (210) [user] is_delimiter(t)
   Call: (211) [system] char_type(t, space)
   Fail: (211) [system] char_type(t, space)
   Call: (211) [system] arg(_1993316, v('(', ')', end_of_file), t)
   Fail: (211) [system] arg(_1994248, v('(', ')', end_of_file), t)
^  Fail: (210) [user] is_delimiter(t)
   Call: (210) [system] ')'==t
   Fail: (210) [system] ')'==t
   Call: (210) [system] get_char((0x563acd73bee0), t)
   Exit: (210) [system] get_char((0x563acd73bee0), t)
   Call: (210) [system] t=(\)
   Fail: (210) [system] t=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _2001598)
   Call: (211) [system] peek_char((0x563acd73bee0), _2002532)
   Exit: (211) [system] peek_char((0x563acd73bee0), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Fail: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_2007252, v('(', ')', end_of_file), i)
   Fail: (212) [system] arg(_2008184, v('(', ')', end_of_file), i)
^  Fail: (211) [user] is_delimiter(i)
   Call: (211) [system] ')'==i
   Fail: (211) [system] ')'==i
   Call: (211) [system] get_char((0x563acd73bee0), i)
   Exit: (211) [system] get_char((0x563acd73bee0), i)
   Call: (211) [system] i=(\)
   Fail: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _2015534)
   Call: (212) [system] peek_char((0x563acd73bee0), _2016468)
   Exit: (212) [system] peek_char((0x563acd73bee0), o)
^  Call: (212) [user] is_delimiter(o)
   Call: (213) [system] char_type(o, space)
   Fail: (213) [system] char_type(o, space)
   Call: (213) [system] arg(_2021188, v('(', ')', end_of_file), o)
   Fail: (213) [system] arg(_2022120, v('(', ')', end_of_file), o)
^  Fail: (212) [user] is_delimiter(o)
   Call: (212) [system] ')'==o
   Fail: (212) [system] ')'==o
   Call: (212) [system] get_char((0x563acd73bee0), o)
   Exit: (212) [system] get_char((0x563acd73bee0), o)
   Call: (212) [system] o=(\)
   Fail: (212) [system] o=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _2029470)
   Call: (213) [system] peek_char((0x563acd73bee0), _2030404)
   Exit: (213) [system] peek_char((0x563acd73bee0), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_2035124, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_2036056, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x563acd73bee0), n)
   Exit: (213) [system] get_char((0x563acd73bee0), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _2043406)
   Call: (214) [system] peek_char((0x563acd73bee0), _2044340)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'I')
^  Call: (214) [user] is_delimiter('I')
   Call: (215) [system] char_type('I', space)
   Fail: (215) [system] char_type('I', space)
   Call: (215) [system] arg(_2049060, v('(', ')', end_of_file), 'I')
   Fail: (215) [system] arg(_2049992, v('(', ')', end_of_file), 'I')
^  Fail: (214) [user] is_delimiter('I')
   Call: (214) [system] ')'=='I'
   Fail: (214) [system] ')'=='I'
   Call: (214) [system] get_char((0x563acd73bee0), 'I')
   Exit: (214) [system] get_char((0x563acd73bee0), 'I')
   Call: (214) [system] 'I'=(\)
   Fail: (214) [system] 'I'=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _2057342)
   Call: (215) [system] peek_char((0x563acd73bee0), _2058276)
   Exit: (215) [system] peek_char((0x563acd73bee0), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_2062996, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_2063928, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x563acd73bee0), n)
   Exit: (215) [system] get_char((0x563acd73bee0), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _2071278)
   Call: (216) [system] peek_char((0x563acd73bee0), _2072212)
   Exit: (216) [system] peek_char((0x563acd73bee0), t)
^  Call: (216) [user] is_delimiter(t)
   Call: (217) [system] char_type(t, space)
   Fail: (217) [system] char_type(t, space)
   Call: (217) [system] arg(_2076932, v('(', ')', end_of_file), t)
   Fail: (217) [system] arg(_2077864, v('(', ')', end_of_file), t)
^  Fail: (216) [user] is_delimiter(t)
   Call: (216) [system] ')'==t
   Fail: (216) [system] ')'==t
   Call: (216) [system] get_char((0x563acd73bee0), t)
   Exit: (216) [system] get_char((0x563acd73bee0), t)
   Call: (216) [system] t=(\)
   Fail: (216) [system] t=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _2085214)
   Call: (217) [system] peek_char((0x563acd73bee0), _2086148)
   Exit: (217) [system] peek_char((0x563acd73bee0), r)
^  Call: (217) [user] is_delimiter(r)
   Call: (218) [system] char_type(r, space)
   Fail: (218) [system] char_type(r, space)
   Call: (218) [system] arg(_2090868, v('(', ')', end_of_file), r)
   Fail: (218) [system] arg(_2091800, v('(', ')', end_of_file), r)
^  Fail: (217) [user] is_delimiter(r)
   Call: (217) [system] ')'==r
   Fail: (217) [system] ')'==r
   Call: (217) [system] get_char((0x563acd73bee0), r)
   Exit: (217) [system] get_char((0x563acd73bee0), r)
   Call: (217) [system] r=(\)
   Fail: (217) [system] r=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _6454)
   Call: (218) [system] peek_char((0x563acd73bee0), _7388)
   Exit: (218) [system] peek_char((0x563acd73bee0), o)
^  Call: (218) [user] is_delimiter(o)
   Call: (219) [system] char_type(o, space)
   Fail: (219) [system] char_type(o, space)
   Call: (219) [system] arg(_12108, v('(', ')', end_of_file), o)
   Fail: (219) [system] arg(_13040, v('(', ')', end_of_file), o)
^  Fail: (218) [user] is_delimiter(o)
   Call: (218) [system] ')'==o
   Fail: (218) [system] ')'==o
   Call: (218) [system] get_char((0x563acd73bee0), o)
   Exit: (218) [system] get_char((0x563acd73bee0), o)
   Call: (218) [system] o=(\)
   Fail: (218) [system] o=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _20390)
   Call: (219) [system] peek_char((0x563acd73bee0), _21324)
   Exit: (219) [system] peek_char((0x563acd73bee0), d)
^  Call: (219) [user] is_delimiter(d)
   Call: (220) [system] char_type(d, space)
   Fail: (220) [system] char_type(d, space)
   Call: (220) [system] arg(_26044, v('(', ')', end_of_file), d)
   Fail: (220) [system] arg(_26976, v('(', ')', end_of_file), d)
^  Fail: (219) [user] is_delimiter(d)
   Call: (219) [system] ')'==d
   Fail: (219) [system] ')'==d
   Call: (219) [system] get_char((0x563acd73bee0), d)
   Exit: (219) [system] get_char((0x563acd73bee0), d)
   Call: (219) [system] d=(\)
   Fail: (219) [system] d=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _34326)
   Call: (220) [system] peek_char((0x563acd73bee0), _35260)
   Exit: (220) [system] peek_char((0x563acd73bee0), u)
^  Call: (220) [user] is_delimiter(u)
   Call: (221) [system] char_type(u, space)
   Fail: (221) [system] char_type(u, space)
   Call: (221) [system] arg(_39980, v('(', ')', end_of_file), u)
   Fail: (221) [system] arg(_40912, v('(', ')', end_of_file), u)
^  Fail: (220) [user] is_delimiter(u)
   Call: (220) [system] ')'==u
   Fail: (220) [system] ')'==u
   Call: (220) [system] get_char((0x563acd73bee0), u)
   Exit: (220) [system] get_char((0x563acd73bee0), u)
   Call: (220) [system] u=(\)
   Fail: (220) [system] u=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _48262)
   Call: (221) [system] peek_char((0x563acd73bee0), _49196)
   Exit: (221) [system] peek_char((0x563acd73bee0), c)
^  Call: (221) [user] is_delimiter(c)
   Call: (222) [system] char_type(c, space)
   Fail: (222) [system] char_type(c, space)
   Call: (222) [system] arg(_53916, v('(', ')', end_of_file), c)
   Fail: (222) [system] arg(_54848, v('(', ')', end_of_file), c)
^  Fail: (221) [user] is_delimiter(c)
   Call: (221) [system] ')'==c
   Fail: (221) [system] ')'==c
   Call: (221) [system] get_char((0x563acd73bee0), c)
   Exit: (221) [system] get_char((0x563acd73bee0), c)
   Call: (221) [system] c=(\)
   Fail: (221) [system] c=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _62198)
   Call: (222) [system] peek_char((0x563acd73bee0), _63132)
   Exit: (222) [system] peek_char((0x563acd73bee0), t)
^  Call: (222) [user] is_delimiter(t)
   Call: (223) [system] char_type(t, space)
   Fail: (223) [system] char_type(t, space)
   Call: (223) [system] arg(_67852, v('(', ')', end_of_file), t)
   Fail: (223) [system] arg(_68784, v('(', ')', end_of_file), t)
^  Fail: (222) [user] is_delimiter(t)
   Call: (222) [system] ')'==t
   Fail: (222) [system] ')'==t
   Call: (222) [system] get_char((0x563acd73bee0), t)
   Exit: (222) [system] get_char((0x563acd73bee0), t)
   Call: (222) [system] t=(\)
   Fail: (222) [system] t=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _76134)
   Call: (223) [system] peek_char((0x563acd73bee0), _77068)
   Exit: (223) [system] peek_char((0x563acd73bee0), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Fail: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_81788, v('(', ')', end_of_file), i)
   Fail: (224) [system] arg(_82720, v('(', ')', end_of_file), i)
^  Fail: (223) [user] is_delimiter(i)
   Call: (223) [system] ')'==i
   Fail: (223) [system] ')'==i
   Call: (223) [system] get_char((0x563acd73bee0), i)
   Exit: (223) [system] get_char((0x563acd73bee0), i)
   Call: (223) [system] i=(\)
   Fail: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _90070)
   Call: (224) [system] peek_char((0x563acd73bee0), _91004)
   Exit: (224) [system] peek_char((0x563acd73bee0), o)
^  Call: (224) [user] is_delimiter(o)
   Call: (225) [system] char_type(o, space)
   Fail: (225) [system] char_type(o, space)
   Call: (225) [system] arg(_95724, v('(', ')', end_of_file), o)
   Fail: (225) [system] arg(_96656, v('(', ')', end_of_file), o)
^  Fail: (224) [user] is_delimiter(o)
   Call: (224) [system] ')'==o
   Fail: (224) [system] ')'==o
   Call: (224) [system] get_char((0x563acd73bee0), o)
   Exit: (224) [system] get_char((0x563acd73bee0), o)
   Call: (224) [system] o=(\)
   Fail: (224) [system] o=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _104006)
   Call: (225) [system] peek_char((0x563acd73bee0), _104940)
   Exit: (225) [system] peek_char((0x563acd73bee0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_109660, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_110592, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x563acd73bee0), n)
   Exit: (225) [system] get_char((0x563acd73bee0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _117942)
   Call: (226) [system] peek_char((0x563acd73bee0), _118876)
   Exit: (226) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _117942=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (225) [system] _104006=[n]
   Exit: (225) [system] [n]=[n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (224) [system] _90070=[o, n]
   Exit: (224) [system] [o, n]=[o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (223) [system] _76134=[i, o, n]
   Exit: (223) [system] [i, o, n]=[i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (222) [system] _62198=[t, i, o, n]
   Exit: (222) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (221) [system] _48262=[c, t, i, o, n]
   Exit: (221) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n])
   Call: (220) [system] _34326=[u, c, t, i, o, n]
   Exit: (220) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, i, o, n])
   Call: (219) [system] _20390=[d, u, c, t, i, o, n]
   Exit: (219) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, u, c, t, i, o, n])
   Call: (218) [system] _6454=[o, d, u, c, t, i, o, n]
   Exit: (218) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, d, u, c, t, i, o, n])
   Call: (217) [system] _4066=[r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _4062=[t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _4058=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _4054=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _4050=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _4046=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _4042=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _4038=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _4034=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _4030=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (207) [system] _4026=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (207) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (206) [system] _4022=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (206) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (205) [system] _4018=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (205) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (204) [system] _4014=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (204) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (203) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _4010)
^  Call: (204) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _189628)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_190580, _190582), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _189628), _190562, fail)), '$restore_trace'(_190580, _190582))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_190580, _190582))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _189628), _190562, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(_189628)
   Fail: (205) [system] atomic(_189628)
   Call: (205) [system] atom_chars(_189628, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (205) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (204) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (204) [system] integer('DisjunctionIntroduction')
   Fail: (204) [system] integer('DisjunctionIntroduction')
   Call: (204) [system] _4010='DisjunctionIntroduction'
   Exit: (204) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (203) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (202) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'DisjunctionIntroduction')
^  Exit: (201) [user] cont_sexpr(')', (0x563acd73bee0), 'DisjunctionIntroduction')
^  Call: (201) [user] read_list(')', (0x563acd73bee0), _204578)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _206436)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x563acd73bee0), _216030)
   Exit: (203) [system] get_char((0x563acd73bee0), ' ')
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _218734)
   Exit: (204) [system] peek_char((0x563acd73bee0), a)
   Call: (204) [system] a=(;)
   Fail: (204) [system] a=(;)
   Call: (204) [system] a=(/)
   Fail: (204) [system] a=(/)
^  Call: (204) [user] is_like_space(a)
   Call: (205) [system] char_type(a, 'white')
   Fail: (205) [system] char_type(a, 'white')
   Call: (205) [system] char_type(a, end_of_line)
   Fail: (205) [system] char_type(a, end_of_line)
   Call: (205) [system] char_type(a, space)
   Fail: (205) [system] char_type(a, space)
   Call: (205) [system] char_type(a, cntrl)
   Fail: (205) [system] char_type(a, cntrl)
^  Fail: (204) [user] is_like_space(a)
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _235668)
   Exit: (202) [system] peek_char((0x563acd73bee0), a)
   Call: (202) [system] a=')'
   Fail: (202) [system] a=')'
   Call: (202) [system] a=end_of_file
   Fail: (202) [system] a=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x563acd73bee0), _241238)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _243096)
   Exit: (204) [system] peek_char((0x563acd73bee0), a)
   Call: (204) [system] a=(;)
   Fail: (204) [system] a=(;)
   Call: (204) [system] a=(/)
   Fail: (204) [system] a=(/)
^  Call: (204) [user] is_like_space(a)
   Call: (205) [system] char_type(a, 'white')
   Fail: (205) [system] char_type(a, 'white')
   Call: (205) [system] char_type(a, end_of_line)
   Fail: (205) [system] char_type(a, end_of_line)
   Call: (205) [system] char_type(a, space)
   Fail: (205) [system] char_type(a, space)
   Call: (205) [system] char_type(a, cntrl)
   Fail: (205) [system] char_type(a, cntrl)
^  Fail: (204) [user] is_like_space(a)
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] get_char((0x563acd73bee0), _259106)
   Exit: (203) [system] get_char((0x563acd73bee0), a)
   Call: (203) [system] a='('
   Fail: (203) [system] a='('
   Call: (203) [system] a='['
   Fail: (203) [system] a='['
   Call: (203) [system] a='{'
   Fail: (203) [system] a='{'
   Call: (203) [system] a='"'
   Fail: (203) [system] a='"'
   Call: (203) [system] a=!
   Fail: (203) [system] a=!
   Call: (203) [system] a='\''
   Fail: (203) [system] a='\''
   Call: (203) [system] a='`'
   Fail: (203) [system] a='`'
   Call: (203) [system] a=end_of_file
   Fail: (203) [system] a=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x563acd73bee0), a, _241238)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _276748)
   Call: (205) [system] peek_char((0x563acd73bee0), _277682)
   Exit: (205) [system] peek_char((0x563acd73bee0), b)
^  Call: (205) [user] is_delimiter(b)
   Call: (206) [system] char_type(b, space)
   Fail: (206) [system] char_type(b, space)
   Call: (206) [system] arg(_282402, v('(', ')', end_of_file), b)
   Fail: (206) [system] arg(_283334, v('(', ')', end_of_file), b)
^  Fail: (205) [user] is_delimiter(b)
   Call: (205) [system] ')'==b
   Fail: (205) [system] ')'==b
   Call: (205) [system] get_char((0x563acd73bee0), b)
   Exit: (205) [system] get_char((0x563acd73bee0), b)
   Call: (205) [system] b=(\)
   Fail: (205) [system] b=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _290684)
   Call: (206) [system] peek_char((0x563acd73bee0), _291618)
   Exit: (206) [system] peek_char((0x563acd73bee0), c)
^  Call: (206) [user] is_delimiter(c)
   Call: (207) [system] char_type(c, space)
   Fail: (207) [system] char_type(c, space)
   Call: (207) [system] arg(_296338, v('(', ')', end_of_file), c)
   Fail: (207) [system] arg(_297270, v('(', ')', end_of_file), c)
^  Fail: (206) [user] is_delimiter(c)
   Call: (206) [system] ')'==c
   Fail: (206) [system] ')'==c
   Call: (206) [system] get_char((0x563acd73bee0), c)
   Exit: (206) [system] get_char((0x563acd73bee0), c)
   Call: (206) [system] c=(\)
   Fail: (206) [system] c=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _304620)
   Call: (207) [system] peek_char((0x563acd73bee0), _305554)
   Exit: (207) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _304620=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (206) [system] _290684=[c]
   Exit: (206) [system] [c]=[c]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [c])
   Call: (205) [system] _276748=[b, c]
   Exit: (205) [system] [b, c]=[b, c]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [b, c])
^  Call: (204) [user] classify_and_convert_charseq([a, b, c], _241238)
^  Call: (205) [user] classify_and_convert_charseq_([a, b, c], _320426)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_321378, _321380), once(user:catch(read_from_chars([a, b, c], _320426), _321360, fail)), '$restore_trace'(_321378, _321380))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_321378, _321380))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _321360, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(abc)
   Exit: (206) [system] atomic(abc)
^  Exit: (205) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (205) [system] integer(abc)
   Fail: (205) [system] integer(abc)
   Call: (205) [system] _241238=abc
   Exit: (205) [system] abc=abc
^  Exit: (204) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (203) [user] read_symbolic(')', (0x563acd73bee0), a, abc)
^  Exit: (202) [user] cont_sexpr(')', (0x563acd73bee0), abc)
^  Call: (202) [user] read_list(')', (0x563acd73bee0), _333506)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _335364)
   Exit: (204) [system] peek_char((0x563acd73bee0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x563acd73bee0), _344958)
   Exit: (204) [system] get_char((0x563acd73bee0), ' ')
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _347662)
   Exit: (205) [system] peek_char((0x563acd73bee0), a)
   Call: (205) [system] a=(;)
   Fail: (205) [system] a=(;)
   Call: (205) [system] a=(/)
   Fail: (205) [system] a=(/)
^  Call: (205) [user] is_like_space(a)
   Call: (206) [system] char_type(a, 'white')
   Fail: (206) [system] char_type(a, 'white')
   Call: (206) [system] char_type(a, end_of_line)
   Fail: (206) [system] char_type(a, end_of_line)
   Call: (206) [system] char_type(a, space)
   Fail: (206) [system] char_type(a, space)
   Call: (206) [system] char_type(a, cntrl)
   Fail: (206) [system] char_type(a, cntrl)
^  Fail: (205) [user] is_like_space(a)
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _364596)
   Exit: (203) [system] peek_char((0x563acd73bee0), a)
   Call: (203) [system] a=')'
   Fail: (203) [system] a=')'
   Call: (203) [system] a=end_of_file
   Fail: (203) [system] a=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x563acd73bee0), _370166)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _372024)
   Exit: (205) [system] peek_char((0x563acd73bee0), a)
   Call: (205) [system] a=(;)
   Fail: (205) [system] a=(;)
   Call: (205) [system] a=(/)
   Fail: (205) [system] a=(/)
^  Call: (205) [user] is_like_space(a)
   Call: (206) [system] char_type(a, 'white')
   Fail: (206) [system] char_type(a, 'white')
   Call: (206) [system] char_type(a, end_of_line)
   Fail: (206) [system] char_type(a, end_of_line)
   Call: (206) [system] char_type(a, space)
   Fail: (206) [system] char_type(a, space)
   Call: (206) [system] char_type(a, cntrl)
   Fail: (206) [system] char_type(a, cntrl)
^  Fail: (205) [user] is_like_space(a)
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] get_char((0x563acd73bee0), _388034)
   Exit: (204) [system] get_char((0x563acd73bee0), a)
   Call: (204) [system] a='('
   Fail: (204) [system] a='('
   Call: (204) [system] a='['
   Fail: (204) [system] a='['
   Call: (204) [system] a='{'
   Fail: (204) [system] a='{'
   Call: (204) [system] a='"'
   Fail: (204) [system] a='"'
   Call: (204) [system] a=!
   Fail: (204) [system] a=!
   Call: (204) [system] a='\''
   Fail: (204) [system] a='\''
   Call: (204) [system] a='`'
   Fail: (204) [system] a='`'
   Call: (204) [system] a=end_of_file
   Fail: (204) [system] a=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x563acd73bee0), a, _370166)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _405676)
   Call: (206) [system] peek_char((0x563acd73bee0), _406610)
   Exit: (206) [system] peek_char((0x563acd73bee0), ')')
^  Call: (206) [user] is_delimiter(')')
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] arg(_411330, v('(', ')', end_of_file), ')')
   Exit: (207) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (206) [user] is_delimiter(')')
   Call: (206) [system] _405676=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (205) [user] classify_and_convert_charseq([a], _370166)
^  Call: (206) [user] classify_and_convert_charseq_([a], _417766)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_418718, _418720), once(user:catch(read_from_chars([a], _417766), _418700, fail)), '$restore_trace'(_418718, _418720))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_418718, _418720))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _418700, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(a)
   Exit: (207) [system] atomic(a)
^  Exit: (206) [user] classify_and_convert_charseq_([a], a)
   Call: (206) [system] integer(a)
   Fail: (206) [system] integer(a)
   Call: (206) [system] _370166=a
   Exit: (206) [system] a=a
^  Exit: (205) [user] classify_and_convert_charseq([a], a)
^  Exit: (204) [user] read_symbolic(')', (0x563acd73bee0), a, a)
^  Exit: (203) [user] cont_sexpr(')', (0x563acd73bee0), a)
^  Call: (203) [user] read_list(')', (0x563acd73bee0), _430846)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _432704)
   Exit: (205) [system] peek_char((0x563acd73bee0), ')')
   Call: (205) [system] ')'=(;)
   Fail: (205) [system] ')'=(;)
   Call: (205) [system] ')'=(/)
   Fail: (205) [system] ')'=(/)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Fail: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Fail: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
   Fail: (206) [system] char_type(')', cntrl)
^  Fail: (205) [user] is_like_space(')')
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _448714)
   Exit: (204) [system] peek_char((0x563acd73bee0), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x563acd73bee0), _452504)
   Exit: (204) [system] get_char((0x563acd73bee0), ')')
   Call: (204) [system] _430846=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x563acd73bee0), [])
   Call: (203) [system] _333506=[a]
   Exit: (203) [system] [a]=[a]
^  Exit: (202) [user] read_list(')', (0x563acd73bee0), [a])
   Call: (202) [system] _204578=[abc, a]
   Exit: (202) [system] [abc, a]=[abc, a]
^  Exit: (201) [user] read_list(')', (0x563acd73bee0), [abc, a])
   Call: (201) [system] _4004=['DisjunctionIntroduction', abc, a]
   Exit: (201) [system] ['DisjunctionIntroduction', abc, a]=['DisjunctionIntroduction', abc, a]
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), ['DisjunctionIntroduction', abc, a])
^  Exit: (199) [user] cont_sexpr(')', (0x563acd73bee0), ['DisjunctionIntroduction', abc, a])
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _466386)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _468244)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _477838)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _480542)
   Exit: (202) [system] peek_char((0x563acd73bee0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _497476)
   Exit: (200) [system] peek_char((0x563acd73bee0), '(')
   Call: (200) [system] '('=')'
   Fail: (200) [system] '('=')'
   Call: (200) [system] '('=end_of_file
   Fail: (200) [system] '('=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x563acd73bee0), _503046)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _504904)
   Exit: (202) [system] peek_char((0x563acd73bee0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] get_char((0x563acd73bee0), _520914)
   Exit: (201) [system] get_char((0x563acd73bee0), '(')
   Call: (201) [system] '('='('
   Exit: (201) [system] '('='('
^  Call: (201) [user] read_list(')', (0x563acd73bee0), _503046)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _526484)
   Exit: (203) [system] peek_char((0x563acd73bee0), 'O')
   Call: (203) [system] 'O'=(;)
   Fail: (203) [system] 'O'=(;)
   Call: (203) [system] 'O'=(/)
   Fail: (203) [system] 'O'=(/)
^  Call: (203) [user] is_like_space('O')
   Call: (204) [system] char_type('O', 'white')
   Fail: (204) [system] char_type('O', 'white')
   Call: (204) [system] char_type('O', end_of_line)
   Fail: (204) [system] char_type('O', end_of_line)
   Call: (204) [system] char_type('O', space)
   Fail: (204) [system] char_type('O', space)
   Call: (204) [system] char_type('O', cntrl)
   Fail: (204) [system] char_type('O', cntrl)
^  Fail: (203) [user] is_like_space('O')
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _542494)
   Exit: (202) [system] peek_char((0x563acd73bee0), 'O')
   Call: (202) [system] 'O'=')'
   Fail: (202) [system] 'O'=')'
   Call: (202) [system] 'O'=end_of_file
   Fail: (202) [system] 'O'=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x563acd73bee0), _548064)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _549922)
   Exit: (204) [system] peek_char((0x563acd73bee0), 'O')
   Call: (204) [system] 'O'=(;)
   Fail: (204) [system] 'O'=(;)
   Call: (204) [system] 'O'=(/)
   Fail: (204) [system] 'O'=(/)
^  Call: (204) [user] is_like_space('O')
   Call: (205) [system] char_type('O', 'white')
   Fail: (205) [system] char_type('O', 'white')
   Call: (205) [system] char_type('O', end_of_line)
   Fail: (205) [system] char_type('O', end_of_line)
   Call: (205) [system] char_type('O', space)
   Fail: (205) [system] char_type('O', space)
   Call: (205) [system] char_type('O', cntrl)
   Fail: (205) [system] char_type('O', cntrl)
^  Fail: (204) [user] is_like_space('O')
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] get_char((0x563acd73bee0), _565932)
   Exit: (203) [system] get_char((0x563acd73bee0), 'O')
   Call: (203) [system] 'O'='('
   Fail: (203) [system] 'O'='('
   Call: (203) [system] 'O'='['
   Fail: (203) [system] 'O'='['
   Call: (203) [system] 'O'='{'
   Fail: (203) [system] 'O'='{'
   Call: (203) [system] 'O'='"'
   Fail: (203) [system] 'O'='"'
   Call: (203) [system] 'O'=!
   Fail: (203) [system] 'O'=!
   Call: (203) [system] 'O'='\''
   Fail: (203) [system] 'O'='\''
   Call: (203) [system] 'O'='`'
   Fail: (203) [system] 'O'='`'
   Call: (203) [system] 'O'=end_of_file
   Fail: (203) [system] 'O'=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x563acd73bee0), 'O', _548064)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _583574)
   Call: (205) [system] peek_char((0x563acd73bee0), _584508)
   Exit: (205) [system] peek_char((0x563acd73bee0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_589228, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_590160, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x563acd73bee0), r)
   Exit: (205) [system] get_char((0x563acd73bee0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _597510)
   Call: (206) [system] peek_char((0x563acd73bee0), _598444)
   Exit: (206) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (206) [user] is_delimiter('L')
   Call: (207) [system] char_type('L', space)
   Fail: (207) [system] char_type('L', space)
   Call: (207) [system] arg(_603164, v('(', ')', end_of_file), 'L')
   Fail: (207) [system] arg(_604096, v('(', ')', end_of_file), 'L')
^  Fail: (206) [user] is_delimiter('L')
   Call: (206) [system] ')'=='L'
   Fail: (206) [system] ')'=='L'
   Call: (206) [system] get_char((0x563acd73bee0), 'L')
   Exit: (206) [system] get_char((0x563acd73bee0), 'L')
   Call: (206) [system] 'L'=(\)
   Fail: (206) [system] 'L'=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _611446)
   Call: (207) [system] peek_char((0x563acd73bee0), _612380)
   Exit: (207) [system] peek_char((0x563acd73bee0), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Fail: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_617100, v('(', ')', end_of_file), i)
   Fail: (208) [system] arg(_618032, v('(', ')', end_of_file), i)
^  Fail: (207) [user] is_delimiter(i)
   Call: (207) [system] ')'==i
   Fail: (207) [system] ')'==i
   Call: (207) [system] get_char((0x563acd73bee0), i)
   Exit: (207) [system] get_char((0x563acd73bee0), i)
   Call: (207) [system] i=(\)
   Fail: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _625382)
   Call: (208) [system] peek_char((0x563acd73bee0), _626316)
   Exit: (208) [system] peek_char((0x563acd73bee0), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Fail: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_631036, v('(', ')', end_of_file), n)
   Fail: (209) [system] arg(_631968, v('(', ')', end_of_file), n)
^  Fail: (208) [user] is_delimiter(n)
   Call: (208) [system] ')'==n
   Fail: (208) [system] ')'==n
   Call: (208) [system] get_char((0x563acd73bee0), n)
   Exit: (208) [system] get_char((0x563acd73bee0), n)
   Call: (208) [system] n=(\)
   Fail: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _639318)
   Call: (209) [system] peek_char((0x563acd73bee0), _640252)
   Exit: (209) [system] peek_char((0x563acd73bee0), k)
^  Call: (209) [user] is_delimiter(k)
   Call: (210) [system] char_type(k, space)
   Fail: (210) [system] char_type(k, space)
   Call: (210) [system] arg(_644972, v('(', ')', end_of_file), k)
   Fail: (210) [system] arg(_645904, v('(', ')', end_of_file), k)
^  Fail: (209) [user] is_delimiter(k)
   Call: (209) [system] ')'==k
   Fail: (209) [system] ')'==k
   Call: (209) [system] get_char((0x563acd73bee0), k)
   Exit: (209) [system] get_char((0x563acd73bee0), k)
   Call: (209) [system] k=(\)
   Fail: (209) [system] k=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _653254)
   Call: (210) [system] peek_char((0x563acd73bee0), _654188)
   Exit: (210) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _653254=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (209) [system] _639318=[k]
   Exit: (209) [system] [k]=[k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (208) [system] _625382=[n, k]
   Exit: (208) [system] [n, k]=[n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (207) [system] _611446=[i, n, k]
   Exit: (207) [system] [i, n, k]=[i, n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (206) [system] _597510=['L', i, n, k]
   Exit: (206) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (205) [system] _583574=[r, 'L', i, n, k]
   Exit: (205) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (204) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _548064)
^  Call: (205) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _677442)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_678394, _678396), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _677442), _678376, fail)), '$restore_trace'(_678394, _678396))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_678394, _678396))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _677442), _678376, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(_677442)
   Fail: (206) [system] atomic(_677442)
   Call: (206) [system] atom_chars(_677442, ['O', r, 'L', i, n, k])
   Exit: (206) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (205) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (205) [system] integer('OrLink')
   Fail: (205) [system] integer('OrLink')
   Call: (205) [system] _548064='OrLink'
   Exit: (205) [system] 'OrLink'='OrLink'
^  Exit: (204) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (203) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (202) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (202) [user] read_list(')', (0x563acd73bee0), _692392)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _694250)
   Exit: (204) [system] peek_char((0x563acd73bee0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x563acd73bee0), _703844)
   Exit: (204) [system] get_char((0x563acd73bee0), ' ')
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _706548)
   Exit: (205) [system] peek_char((0x563acd73bee0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _723482)
   Exit: (203) [system] peek_char((0x563acd73bee0), '(')
   Call: (203) [system] '('=')'
   Fail: (203) [system] '('=')'
   Call: (203) [system] '('=end_of_file
   Fail: (203) [system] '('=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x563acd73bee0), _729052)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _730910)
   Exit: (205) [system] peek_char((0x563acd73bee0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] get_char((0x563acd73bee0), _746920)
   Exit: (204) [system] get_char((0x563acd73bee0), '(')
   Call: (204) [system] '('='('
   Exit: (204) [system] '('='('
^  Call: (204) [user] read_list(')', (0x563acd73bee0), _729052)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _752490)
   Exit: (206) [system] peek_char((0x563acd73bee0), 'I')
   Call: (206) [system] 'I'=(;)
   Fail: (206) [system] 'I'=(;)
   Call: (206) [system] 'I'=(/)
   Fail: (206) [system] 'I'=(/)
^  Call: (206) [user] is_like_space('I')
   Call: (207) [system] char_type('I', 'white')
   Fail: (207) [system] char_type('I', 'white')
   Call: (207) [system] char_type('I', end_of_line)
   Fail: (207) [system] char_type('I', end_of_line)
   Call: (207) [system] char_type('I', space)
   Fail: (207) [system] char_type('I', space)
   Call: (207) [system] char_type('I', cntrl)
   Fail: (207) [system] char_type('I', cntrl)
^  Fail: (206) [user] is_like_space('I')
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _768500)
   Exit: (205) [system] peek_char((0x563acd73bee0), 'I')
   Call: (205) [system] 'I'=')'
   Fail: (205) [system] 'I'=')'
   Call: (205) [system] 'I'=end_of_file
   Fail: (205) [system] 'I'=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x563acd73bee0), _774070)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _775928)
   Exit: (207) [system] peek_char((0x563acd73bee0), 'I')
   Call: (207) [system] 'I'=(;)
   Fail: (207) [system] 'I'=(;)
   Call: (207) [system] 'I'=(/)
   Fail: (207) [system] 'I'=(/)
^  Call: (207) [user] is_like_space('I')
   Call: (208) [system] char_type('I', 'white')
   Fail: (208) [system] char_type('I', 'white')
   Call: (208) [system] char_type('I', end_of_line)
   Fail: (208) [system] char_type('I', end_of_line)
   Call: (208) [system] char_type('I', space)
   Fail: (208) [system] char_type('I', space)
   Call: (208) [system] char_type('I', cntrl)
   Fail: (208) [system] char_type('I', cntrl)
^  Fail: (207) [user] is_like_space('I')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] get_char((0x563acd73bee0), _791938)
   Exit: (206) [system] get_char((0x563acd73bee0), 'I')
   Call: (206) [system] 'I'='('
   Fail: (206) [system] 'I'='('
   Call: (206) [system] 'I'='['
   Fail: (206) [system] 'I'='['
   Call: (206) [system] 'I'='{'
   Fail: (206) [system] 'I'='{'
   Call: (206) [system] 'I'='"'
   Fail: (206) [system] 'I'='"'
   Call: (206) [system] 'I'=!
   Fail: (206) [system] 'I'=!
   Call: (206) [system] 'I'='\''
   Fail: (206) [system] 'I'='\''
   Call: (206) [system] 'I'='`'
   Fail: (206) [system] 'I'='`'
   Call: (206) [system] 'I'=end_of_file
   Fail: (206) [system] 'I'=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x563acd73bee0), 'I', _774070)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _809580)
   Call: (208) [system] peek_char((0x563acd73bee0), _810514)
   Exit: (208) [system] peek_char((0x563acd73bee0), m)
^  Call: (208) [user] is_delimiter(m)
   Call: (209) [system] char_type(m, space)
   Fail: (209) [system] char_type(m, space)
   Call: (209) [system] arg(_815234, v('(', ')', end_of_file), m)
   Fail: (209) [system] arg(_816166, v('(', ')', end_of_file), m)
^  Fail: (208) [user] is_delimiter(m)
   Call: (208) [system] ')'==m
   Fail: (208) [system] ')'==m
   Call: (208) [system] get_char((0x563acd73bee0), m)
   Exit: (208) [system] get_char((0x563acd73bee0), m)
   Call: (208) [system] m=(\)
   Fail: (208) [system] m=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _823516)
   Call: (209) [system] peek_char((0x563acd73bee0), _824450)
   Exit: (209) [system] peek_char((0x563acd73bee0), p)
^  Call: (209) [user] is_delimiter(p)
   Call: (210) [system] char_type(p, space)
   Fail: (210) [system] char_type(p, space)
   Call: (210) [system] arg(_829170, v('(', ')', end_of_file), p)
   Fail: (210) [system] arg(_830102, v('(', ')', end_of_file), p)
^  Fail: (209) [user] is_delimiter(p)
   Call: (209) [system] ')'==p
   Fail: (209) [system] ')'==p
   Call: (209) [system] get_char((0x563acd73bee0), p)
   Exit: (209) [system] get_char((0x563acd73bee0), p)
   Call: (209) [system] p=(\)
   Fail: (209) [system] p=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _837452)
   Call: (210) [system] peek_char((0x563acd73bee0), _838386)
   Exit: (210) [system] peek_char((0x563acd73bee0), l)
^  Call: (210) [user] is_delimiter(l)
   Call: (211) [system] char_type(l, space)
   Fail: (211) [system] char_type(l, space)
   Call: (211) [system] arg(_843106, v('(', ')', end_of_file), l)
   Fail: (211) [system] arg(_844038, v('(', ')', end_of_file), l)
^  Fail: (210) [user] is_delimiter(l)
   Call: (210) [system] ')'==l
   Fail: (210) [system] ')'==l
   Call: (210) [system] get_char((0x563acd73bee0), l)
   Exit: (210) [system] get_char((0x563acd73bee0), l)
   Call: (210) [system] l=(\)
   Fail: (210) [system] l=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _851388)
   Call: (211) [system] peek_char((0x563acd73bee0), _852322)
   Exit: (211) [system] peek_char((0x563acd73bee0), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Fail: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_857042, v('(', ')', end_of_file), i)
   Fail: (212) [system] arg(_857974, v('(', ')', end_of_file), i)
^  Fail: (211) [user] is_delimiter(i)
   Call: (211) [system] ')'==i
   Fail: (211) [system] ')'==i
   Call: (211) [system] get_char((0x563acd73bee0), i)
   Exit: (211) [system] get_char((0x563acd73bee0), i)
   Call: (211) [system] i=(\)
   Fail: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _865324)
   Call: (212) [system] peek_char((0x563acd73bee0), _866258)
   Exit: (212) [system] peek_char((0x563acd73bee0), c)
^  Call: (212) [user] is_delimiter(c)
   Call: (213) [system] char_type(c, space)
   Fail: (213) [system] char_type(c, space)
   Call: (213) [system] arg(_870978, v('(', ')', end_of_file), c)
   Fail: (213) [system] arg(_871910, v('(', ')', end_of_file), c)
^  Fail: (212) [user] is_delimiter(c)
   Call: (212) [system] ')'==c
   Fail: (212) [system] ')'==c
   Call: (212) [system] get_char((0x563acd73bee0), c)
   Exit: (212) [system] get_char((0x563acd73bee0), c)
   Call: (212) [system] c=(\)
   Fail: (212) [system] c=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _879260)
   Call: (213) [system] peek_char((0x563acd73bee0), _880194)
   Exit: (213) [system] peek_char((0x563acd73bee0), a)
^  Call: (213) [user] is_delimiter(a)
   Call: (214) [system] char_type(a, space)
   Fail: (214) [system] char_type(a, space)
   Call: (214) [system] arg(_884914, v('(', ')', end_of_file), a)
   Fail: (214) [system] arg(_885846, v('(', ')', end_of_file), a)
^  Fail: (213) [user] is_delimiter(a)
   Call: (213) [system] ')'==a
   Fail: (213) [system] ')'==a
   Call: (213) [system] get_char((0x563acd73bee0), a)
   Exit: (213) [system] get_char((0x563acd73bee0), a)
   Call: (213) [system] a=(\)
   Fail: (213) [system] a=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _893196)
   Call: (214) [system] peek_char((0x563acd73bee0), _894130)
   Exit: (214) [system] peek_char((0x563acd73bee0), t)
^  Call: (214) [user] is_delimiter(t)
   Call: (215) [system] char_type(t, space)
   Fail: (215) [system] char_type(t, space)
   Call: (215) [system] arg(_898850, v('(', ')', end_of_file), t)
   Fail: (215) [system] arg(_899782, v('(', ')', end_of_file), t)
^  Fail: (214) [user] is_delimiter(t)
   Call: (214) [system] ')'==t
   Fail: (214) [system] ')'==t
   Call: (214) [system] get_char((0x563acd73bee0), t)
   Exit: (214) [system] get_char((0x563acd73bee0), t)
   Call: (214) [system] t=(\)
   Fail: (214) [system] t=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _907132)
   Call: (215) [system] peek_char((0x563acd73bee0), _908066)
   Exit: (215) [system] peek_char((0x563acd73bee0), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Fail: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_912786, v('(', ')', end_of_file), i)
   Fail: (216) [system] arg(_913718, v('(', ')', end_of_file), i)
^  Fail: (215) [user] is_delimiter(i)
   Call: (215) [system] ')'==i
   Fail: (215) [system] ')'==i
   Call: (215) [system] get_char((0x563acd73bee0), i)
   Exit: (215) [system] get_char((0x563acd73bee0), i)
   Call: (215) [system] i=(\)
   Fail: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _921068)
   Call: (216) [system] peek_char((0x563acd73bee0), _922002)
   Exit: (216) [system] peek_char((0x563acd73bee0), o)
^  Call: (216) [user] is_delimiter(o)
   Call: (217) [system] char_type(o, space)
   Fail: (217) [system] char_type(o, space)
   Call: (217) [system] arg(_926722, v('(', ')', end_of_file), o)
   Fail: (217) [system] arg(_927654, v('(', ')', end_of_file), o)
^  Fail: (216) [user] is_delimiter(o)
   Call: (216) [system] ')'==o
   Fail: (216) [system] ')'==o
   Call: (216) [system] get_char((0x563acd73bee0), o)
   Exit: (216) [system] get_char((0x563acd73bee0), o)
   Call: (216) [system] o=(\)
   Fail: (216) [system] o=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _935004)
   Call: (217) [system] peek_char((0x563acd73bee0), _935938)
   Exit: (217) [system] peek_char((0x563acd73bee0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_940658, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_941590, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x563acd73bee0), n)
   Exit: (217) [system] get_char((0x563acd73bee0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _948940)
   Call: (218) [system] peek_char((0x563acd73bee0), _949874)
   Exit: (218) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _948940=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (217) [system] _935004=[n]
   Exit: (217) [system] [n]=[n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (216) [system] _921068=[o, n]
   Exit: (216) [system] [o, n]=[o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (215) [system] _907132=[i, o, n]
   Exit: (215) [system] [i, o, n]=[i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (214) [system] _893196=[t, i, o, n]
   Exit: (214) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (213) [system] _879260=[a, t, i, o, n]
   Exit: (213) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (212) [system] _865324=[c, a, t, i, o, n]
   Exit: (212) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (211) [system] _851388=[i, c, a, t, i, o, n]
   Exit: (211) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (210) [system] _837452=[l, i, c, a, t, i, o, n]
   Exit: (210) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (209) [system] _823516=[p, l, i, c, a, t, i, o, n]
   Exit: (209) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (208) [system] _809580=[m, p, l, i, c, a, t, i, o, n]
   Exit: (208) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (207) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _774070)
^  Call: (208) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _987098)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_988050, _988052), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _987098), _988032, fail)), '$restore_trace'(_988050, _988052))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_988050, _988052))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _987098), _988032, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_987098)
   Fail: (209) [system] atomic(_987098)
   Call: (209) [system] atom_chars(_987098, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (209) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (208) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (208) [system] integer('Implication')
   Fail: (208) [system] integer('Implication')
   Call: (208) [system] _774070='Implication'
   Exit: (208) [system] 'Implication'='Implication'
^  Exit: (207) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (206) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (205) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (205) [user] read_list(')', (0x563acd73bee0), _1002048)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1003906)
   Exit: (207) [system] peek_char((0x563acd73bee0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
   Call: (207) [system] ' '=(/)
   Fail: (207) [system] ' '=(/)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x563acd73bee0), _1013500)
   Exit: (207) [system] get_char((0x563acd73bee0), ' ')
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1016204)
   Exit: (208) [system] peek_char((0x563acd73bee0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1033138)
   Exit: (206) [system] peek_char((0x563acd73bee0), '(')
   Call: (206) [system] '('=')'
   Fail: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
   Fail: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x563acd73bee0), _1038708)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1040566)
   Exit: (208) [system] peek_char((0x563acd73bee0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] get_char((0x563acd73bee0), _1056576)
   Exit: (207) [system] get_char((0x563acd73bee0), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x563acd73bee0), _1038708)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1062146)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'A')
   Call: (209) [system] 'A'=(;)
   Fail: (209) [system] 'A'=(;)
   Call: (209) [system] 'A'=(/)
   Fail: (209) [system] 'A'=(/)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Fail: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Fail: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Fail: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
   Fail: (210) [system] char_type('A', cntrl)
^  Fail: (209) [user] is_like_space('A')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1078156)
   Exit: (208) [system] peek_char((0x563acd73bee0), 'A')
   Call: (208) [system] 'A'=')'
   Fail: (208) [system] 'A'=')'
   Call: (208) [system] 'A'=end_of_file
   Fail: (208) [system] 'A'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x563acd73bee0), _1083726)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1085584)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'A')
   Call: (210) [system] 'A'=(;)
   Fail: (210) [system] 'A'=(;)
   Call: (210) [system] 'A'=(/)
   Fail: (210) [system] 'A'=(/)
^  Call: (210) [user] is_like_space('A')
   Call: (211) [system] char_type('A', 'white')
   Fail: (211) [system] char_type('A', 'white')
   Call: (211) [system] char_type('A', end_of_line)
   Fail: (211) [system] char_type('A', end_of_line)
   Call: (211) [system] char_type('A', space)
   Fail: (211) [system] char_type('A', space)
   Call: (211) [system] char_type('A', cntrl)
   Fail: (211) [system] char_type('A', cntrl)
^  Fail: (210) [user] is_like_space('A')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] get_char((0x563acd73bee0), _1101594)
   Exit: (209) [system] get_char((0x563acd73bee0), 'A')
   Call: (209) [system] 'A'='('
   Fail: (209) [system] 'A'='('
   Call: (209) [system] 'A'='['
   Fail: (209) [system] 'A'='['
   Call: (209) [system] 'A'='{'
   Fail: (209) [system] 'A'='{'
   Call: (209) [system] 'A'='"'
   Fail: (209) [system] 'A'='"'
   Call: (209) [system] 'A'=!
   Fail: (209) [system] 'A'=!
   Call: (209) [system] 'A'='\''
   Fail: (209) [system] 'A'='\''
   Call: (209) [system] 'A'='`'
   Fail: (209) [system] 'A'='`'
   Call: (209) [system] 'A'=end_of_file
   Fail: (209) [system] 'A'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x563acd73bee0), 'A', _1083726)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1119236)
   Call: (211) [system] peek_char((0x563acd73bee0), _1120170)
   Exit: (211) [system] peek_char((0x563acd73bee0), n)
^  Call: (211) [user] is_delimiter(n)
   Call: (212) [system] char_type(n, space)
   Fail: (212) [system] char_type(n, space)
   Call: (212) [system] arg(_1124890, v('(', ')', end_of_file), n)
   Fail: (212) [system] arg(_1125822, v('(', ')', end_of_file), n)
^  Fail: (211) [user] is_delimiter(n)
   Call: (211) [system] ')'==n
   Fail: (211) [system] ')'==n
   Call: (211) [system] get_char((0x563acd73bee0), n)
   Exit: (211) [system] get_char((0x563acd73bee0), n)
   Call: (211) [system] n=(\)
   Fail: (211) [system] n=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1133172)
   Call: (212) [system] peek_char((0x563acd73bee0), _1134106)
   Exit: (212) [system] peek_char((0x563acd73bee0), d)
^  Call: (212) [user] is_delimiter(d)
   Call: (213) [system] char_type(d, space)
   Fail: (213) [system] char_type(d, space)
   Call: (213) [system] arg(_1138826, v('(', ')', end_of_file), d)
   Fail: (213) [system] arg(_1139758, v('(', ')', end_of_file), d)
^  Fail: (212) [user] is_delimiter(d)
   Call: (212) [system] ')'==d
   Fail: (212) [system] ')'==d
   Call: (212) [system] get_char((0x563acd73bee0), d)
   Exit: (212) [system] get_char((0x563acd73bee0), d)
   Call: (212) [system] d=(\)
   Fail: (212) [system] d=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _1147108)
   Call: (213) [system] peek_char((0x563acd73bee0), _1148042)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (213) [user] is_delimiter('L')
   Call: (214) [system] char_type('L', space)
   Fail: (214) [system] char_type('L', space)
   Call: (214) [system] arg(_1152762, v('(', ')', end_of_file), 'L')
   Fail: (214) [system] arg(_1153694, v('(', ')', end_of_file), 'L')
^  Fail: (213) [user] is_delimiter('L')
   Call: (213) [system] ')'=='L'
   Fail: (213) [system] ')'=='L'
   Call: (213) [system] get_char((0x563acd73bee0), 'L')
   Exit: (213) [system] get_char((0x563acd73bee0), 'L')
   Call: (213) [system] 'L'=(\)
   Fail: (213) [system] 'L'=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _1161044)
   Call: (214) [system] peek_char((0x563acd73bee0), _1161978)
   Exit: (214) [system] peek_char((0x563acd73bee0), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Fail: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_1166698, v('(', ')', end_of_file), i)
   Fail: (215) [system] arg(_1167630, v('(', ')', end_of_file), i)
^  Fail: (214) [user] is_delimiter(i)
   Call: (214) [system] ')'==i
   Fail: (214) [system] ')'==i
   Call: (214) [system] get_char((0x563acd73bee0), i)
   Exit: (214) [system] get_char((0x563acd73bee0), i)
   Call: (214) [system] i=(\)
   Fail: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _1174980)
   Call: (215) [system] peek_char((0x563acd73bee0), _1175914)
   Exit: (215) [system] peek_char((0x563acd73bee0), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_1180634, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_1181566, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x563acd73bee0), n)
   Exit: (215) [system] get_char((0x563acd73bee0), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _1188916)
   Call: (216) [system] peek_char((0x563acd73bee0), _1189850)
   Exit: (216) [system] peek_char((0x563acd73bee0), k)
^  Call: (216) [user] is_delimiter(k)
   Call: (217) [system] char_type(k, space)
   Fail: (217) [system] char_type(k, space)
   Call: (217) [system] arg(_1194570, v('(', ')', end_of_file), k)
   Fail: (217) [system] arg(_1195502, v('(', ')', end_of_file), k)
^  Fail: (216) [user] is_delimiter(k)
   Call: (216) [system] ')'==k
   Fail: (216) [system] ')'==k
   Call: (216) [system] get_char((0x563acd73bee0), k)
   Exit: (216) [system] get_char((0x563acd73bee0), k)
   Call: (216) [system] k=(\)
   Fail: (216) [system] k=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _1202852)
   Call: (217) [system] peek_char((0x563acd73bee0), _1203786)
   Exit: (217) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _1202852=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (216) [system] _1188916=[k]
   Exit: (216) [system] [k]=[k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (215) [system] _1174980=[n, k]
   Exit: (215) [system] [n, k]=[n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (214) [system] _1161044=[i, n, k]
   Exit: (214) [system] [i, n, k]=[i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (213) [system] _1147108=['L', i, n, k]
   Exit: (213) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (212) [system] _1133172=[d, 'L', i, n, k]
   Exit: (212) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, 'L', i, n, k])
   Call: (211) [system] _1119236=[n, d, 'L', i, n, k]
   Exit: (211) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, d, 'L', i, n, k])
^  Call: (210) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1083726)
^  Call: (211) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1229834)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_1230786, _1230788), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1229834), _1230768, fail)), '$restore_trace'(_1230786, _1230788))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_1230786, _1230788))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1229834), _1230768, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_1229834)
   Fail: (212) [system] atomic(_1229834)
   Call: (212) [system] atom_chars(_1229834, ['A', n, d, 'L', i, n, k])
   Exit: (212) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (211) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (211) [system] integer('AndLink')
   Fail: (211) [system] integer('AndLink')
   Call: (211) [system] _1083726='AndLink'
   Exit: (211) [system] 'AndLink'='AndLink'
^  Exit: (210) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (209) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'AndLink')
^  Exit: (208) [user] cont_sexpr(')', (0x563acd73bee0), 'AndLink')
^  Call: (208) [user] read_list(')', (0x563acd73bee0), _1244784)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1246642)
   Exit: (210) [system] peek_char((0x563acd73bee0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x563acd73bee0), _1256236)
   Exit: (210) [system] get_char((0x563acd73bee0), ' ')
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1258940)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'A')
   Call: (211) [system] 'A'=(;)
   Fail: (211) [system] 'A'=(;)
   Call: (211) [system] 'A'=(/)
   Fail: (211) [system] 'A'=(/)
^  Call: (211) [user] is_like_space('A')
   Call: (212) [system] char_type('A', 'white')
   Fail: (212) [system] char_type('A', 'white')
   Call: (212) [system] char_type('A', end_of_line)
   Fail: (212) [system] char_type('A', end_of_line)
   Call: (212) [system] char_type('A', space)
   Fail: (212) [system] char_type('A', space)
   Call: (212) [system] char_type('A', cntrl)
   Fail: (212) [system] char_type('A', cntrl)
^  Fail: (211) [user] is_like_space('A')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1275874)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'A')
   Call: (209) [system] 'A'=')'
   Fail: (209) [system] 'A'=')'
   Call: (209) [system] 'A'=end_of_file
   Fail: (209) [system] 'A'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x563acd73bee0), _1281444)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1283302)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'A')
   Call: (211) [system] 'A'=(;)
   Fail: (211) [system] 'A'=(;)
   Call: (211) [system] 'A'=(/)
   Fail: (211) [system] 'A'=(/)
^  Call: (211) [user] is_like_space('A')
   Call: (212) [system] char_type('A', 'white')
   Fail: (212) [system] char_type('A', 'white')
   Call: (212) [system] char_type('A', end_of_line)
   Fail: (212) [system] char_type('A', end_of_line)
   Call: (212) [system] char_type('A', space)
   Fail: (212) [system] char_type('A', space)
   Call: (212) [system] char_type('A', cntrl)
   Fail: (212) [system] char_type('A', cntrl)
^  Fail: (211) [user] is_like_space('A')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] get_char((0x563acd73bee0), _1299312)
   Exit: (210) [system] get_char((0x563acd73bee0), 'A')
   Call: (210) [system] 'A'='('
   Fail: (210) [system] 'A'='('
   Call: (210) [system] 'A'='['
   Fail: (210) [system] 'A'='['
   Call: (210) [system] 'A'='{'
   Fail: (210) [system] 'A'='{'
   Call: (210) [system] 'A'='"'
   Fail: (210) [system] 'A'='"'
   Call: (210) [system] 'A'=!
   Fail: (210) [system] 'A'=!
   Call: (210) [system] 'A'='\''
   Fail: (210) [system] 'A'='\''
   Call: (210) [system] 'A'='`'
   Fail: (210) [system] 'A'='`'
   Call: (210) [system] 'A'=end_of_file
   Fail: (210) [system] 'A'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x563acd73bee0), 'A', _1281444)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1316954)
   Call: (212) [system] peek_char((0x563acd73bee0), _1317888)
   Exit: (212) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _1316954=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (211) [user] classify_and_convert_charseq(['A'], _1281444)
^  Call: (212) [user] classify_and_convert_charseq_(['A'], _1327172)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_1328124, _1328126), once(user:catch(read_from_chars(['A'], _1327172), _1328106, fail)), '$restore_trace'(_1328124, _1328126))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_1328124, _1328126))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1327172), _1328106, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_1327172)
   Fail: (213) [system] atomic(_1327172)
   Call: (213) [system] atom_chars(_1327172, ['A'])
   Exit: (213) [system] atom_chars('A', ['A'])
^  Exit: (212) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (212) [system] integer('A')
   Fail: (212) [system] integer('A')
   Call: (212) [system] _1281444='A'
   Exit: (212) [system] 'A'='A'
^  Exit: (211) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (210) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (209) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (209) [user] read_list(')', (0x563acd73bee0), _1342122)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1343980)
   Exit: (211) [system] peek_char((0x563acd73bee0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x563acd73bee0), _1353574)
   Exit: (211) [system] get_char((0x563acd73bee0), ' ')
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1356278)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'B')
   Call: (212) [system] 'B'=(;)
   Fail: (212) [system] 'B'=(;)
   Call: (212) [system] 'B'=(/)
   Fail: (212) [system] 'B'=(/)
^  Call: (212) [user] is_like_space('B')
   Call: (213) [system] char_type('B', 'white')
   Fail: (213) [system] char_type('B', 'white')
   Call: (213) [system] char_type('B', end_of_line)
   Fail: (213) [system] char_type('B', end_of_line)
   Call: (213) [system] char_type('B', space)
   Fail: (213) [system] char_type('B', space)
   Call: (213) [system] char_type('B', cntrl)
   Fail: (213) [system] char_type('B', cntrl)
^  Fail: (212) [user] is_like_space('B')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1373212)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'B')
   Call: (210) [system] 'B'=')'
   Fail: (210) [system] 'B'=')'
   Call: (210) [system] 'B'=end_of_file
   Fail: (210) [system] 'B'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x563acd73bee0), _1378782)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1380640)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'B')
   Call: (212) [system] 'B'=(;)
   Fail: (212) [system] 'B'=(;)
   Call: (212) [system] 'B'=(/)
   Fail: (212) [system] 'B'=(/)
^  Call: (212) [user] is_like_space('B')
   Call: (213) [system] char_type('B', 'white')
   Fail: (213) [system] char_type('B', 'white')
   Call: (213) [system] char_type('B', end_of_line)
   Fail: (213) [system] char_type('B', end_of_line)
   Call: (213) [system] char_type('B', space)
   Fail: (213) [system] char_type('B', space)
   Call: (213) [system] char_type('B', cntrl)
   Fail: (213) [system] char_type('B', cntrl)
^  Fail: (212) [user] is_like_space('B')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] get_char((0x563acd73bee0), _1396650)
   Exit: (211) [system] get_char((0x563acd73bee0), 'B')
   Call: (211) [system] 'B'='('
   Fail: (211) [system] 'B'='('
   Call: (211) [system] 'B'='['
   Fail: (211) [system] 'B'='['
   Call: (211) [system] 'B'='{'
   Fail: (211) [system] 'B'='{'
   Call: (211) [system] 'B'='"'
   Fail: (211) [system] 'B'='"'
   Call: (211) [system] 'B'=!
   Fail: (211) [system] 'B'=!
   Call: (211) [system] 'B'='\''
   Fail: (211) [system] 'B'='\''
   Call: (211) [system] 'B'='`'
   Fail: (211) [system] 'B'='`'
   Call: (211) [system] 'B'=end_of_file
   Fail: (211) [system] 'B'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x563acd73bee0), 'B', _1378782)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _1414292)
   Call: (213) [system] peek_char((0x563acd73bee0), _1415226)
   Exit: (213) [system] peek_char((0x563acd73bee0), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_1419946, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _1414292=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (212) [user] classify_and_convert_charseq(['B'], _1378782)
^  Call: (213) [user] classify_and_convert_charseq_(['B'], _1426382)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_1427334, _1427336), once(user:catch(read_from_chars(['B'], _1426382), _1427316, fail)), '$restore_trace'(_1427334, _1427336))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_1427334, _1427336))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1426382), _1427316, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_1426382)
   Fail: (214) [system] atomic(_1426382)
   Call: (214) [system] atom_chars(_1426382, ['B'])
   Exit: (214) [system] atom_chars('B', ['B'])
^  Exit: (213) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (213) [system] integer('B')
   Fail: (213) [system] integer('B')
   Call: (213) [system] _1378782='B'
   Exit: (213) [system] 'B'='B'
^  Exit: (212) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (211) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (210) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (210) [user] read_list(')', (0x563acd73bee0), _1441332)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1443190)
   Exit: (212) [system] peek_char((0x563acd73bee0), ')')
   Call: (212) [system] ')'=(;)
   Fail: (212) [system] ')'=(;)
   Call: (212) [system] ')'=(/)
   Fail: (212) [system] ')'=(/)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Fail: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Fail: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
   Fail: (213) [system] char_type(')', cntrl)
^  Fail: (212) [user] is_like_space(')')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1459200)
   Exit: (211) [system] peek_char((0x563acd73bee0), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x563acd73bee0), _1462990)
   Exit: (211) [system] get_char((0x563acd73bee0), ')')
   Call: (211) [system] _1441332=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x563acd73bee0), [])
   Call: (210) [system] _1342122=['B']
   Exit: (210) [system] ['B']=['B']
^  Exit: (209) [user] read_list(')', (0x563acd73bee0), ['B'])
   Call: (209) [system] _1244784=['A', 'B']
   Exit: (209) [system] ['A', 'B']=['A', 'B']
^  Exit: (208) [user] read_list(')', (0x563acd73bee0), ['A', 'B'])
   Call: (208) [system] _1038708=['AndLink', 'A', 'B']
   Exit: (208) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (207) [user] read_list(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Exit: (206) [user] cont_sexpr(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Call: (206) [user] read_list(')', (0x563acd73bee0), _1476872)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1478730)
   Exit: (208) [system] peek_char((0x563acd73bee0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x563acd73bee0), _1488324)
   Exit: (208) [system] get_char((0x563acd73bee0), ' ')
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1491028)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'C')
   Call: (209) [system] 'C'=(;)
   Fail: (209) [system] 'C'=(;)
   Call: (209) [system] 'C'=(/)
   Fail: (209) [system] 'C'=(/)
^  Call: (209) [user] is_like_space('C')
   Call: (210) [system] char_type('C', 'white')
   Fail: (210) [system] char_type('C', 'white')
   Call: (210) [system] char_type('C', end_of_line)
   Fail: (210) [system] char_type('C', end_of_line)
   Call: (210) [system] char_type('C', space)
   Fail: (210) [system] char_type('C', space)
   Call: (210) [system] char_type('C', cntrl)
   Fail: (210) [system] char_type('C', cntrl)
^  Fail: (209) [user] is_like_space('C')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1507962)
   Exit: (207) [system] peek_char((0x563acd73bee0), 'C')
   Call: (207) [system] 'C'=')'
   Fail: (207) [system] 'C'=')'
   Call: (207) [system] 'C'=end_of_file
   Fail: (207) [system] 'C'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x563acd73bee0), _1513532)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1515390)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'C')
   Call: (209) [system] 'C'=(;)
   Fail: (209) [system] 'C'=(;)
   Call: (209) [system] 'C'=(/)
   Fail: (209) [system] 'C'=(/)
^  Call: (209) [user] is_like_space('C')
   Call: (210) [system] char_type('C', 'white')
   Fail: (210) [system] char_type('C', 'white')
   Call: (210) [system] char_type('C', end_of_line)
   Fail: (210) [system] char_type('C', end_of_line)
   Call: (210) [system] char_type('C', space)
   Fail: (210) [system] char_type('C', space)
   Call: (210) [system] char_type('C', cntrl)
   Fail: (210) [system] char_type('C', cntrl)
^  Fail: (209) [user] is_like_space('C')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] get_char((0x563acd73bee0), _1531400)
   Exit: (208) [system] get_char((0x563acd73bee0), 'C')
   Call: (208) [system] 'C'='('
   Fail: (208) [system] 'C'='('
   Call: (208) [system] 'C'='['
   Fail: (208) [system] 'C'='['
   Call: (208) [system] 'C'='{'
   Fail: (208) [system] 'C'='{'
   Call: (208) [system] 'C'='"'
   Fail: (208) [system] 'C'='"'
   Call: (208) [system] 'C'=!
   Fail: (208) [system] 'C'=!
   Call: (208) [system] 'C'='\''
   Fail: (208) [system] 'C'='\''
   Call: (208) [system] 'C'='`'
   Fail: (208) [system] 'C'='`'
   Call: (208) [system] 'C'=end_of_file
   Fail: (208) [system] 'C'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x563acd73bee0), 'C', _1513532)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1549042)
   Call: (210) [system] peek_char((0x563acd73bee0), _1549976)
   Exit: (210) [system] peek_char((0x563acd73bee0), ')')
^  Call: (210) [user] is_delimiter(')')
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] arg(_1554696, v('(', ')', end_of_file), ')')
   Exit: (211) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (210) [user] is_delimiter(')')
   Call: (210) [system] _1549042=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (209) [user] classify_and_convert_charseq(['C'], _1513532)
^  Call: (210) [user] classify_and_convert_charseq_(['C'], _1561132)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1562084, _1562086), once(user:catch(read_from_chars(['C'], _1561132), _1562066, fail)), '$restore_trace'(_1562084, _1562086))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1562084, _1562086))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1561132), _1562066, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_1561132)
   Fail: (211) [system] atomic(_1561132)
   Call: (211) [system] atom_chars(_1561132, ['C'])
   Exit: (211) [system] atom_chars('C', ['C'])
^  Exit: (210) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (210) [system] integer('C')
   Fail: (210) [system] integer('C')
   Call: (210) [system] _1513532='C'
   Exit: (210) [system] 'C'='C'
^  Exit: (209) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (208) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (207) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (207) [user] read_list(')', (0x563acd73bee0), _1576082)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1577940)
   Exit: (209) [system] peek_char((0x563acd73bee0), ')')
   Call: (209) [system] ')'=(;)
   Fail: (209) [system] ')'=(;)
   Call: (209) [system] ')'=(/)
   Fail: (209) [system] ')'=(/)
^  Call: (209) [user] is_like_space(')')
   Call: (210) [system] char_type(')', 'white')
   Fail: (210) [system] char_type(')', 'white')
   Call: (210) [system] char_type(')', end_of_line)
   Fail: (210) [system] char_type(')', end_of_line)
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] char_type(')', cntrl)
   Fail: (210) [system] char_type(')', cntrl)
^  Fail: (209) [user] is_like_space(')')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1593950)
   Exit: (208) [system] peek_char((0x563acd73bee0), ')')
   Call: (208) [system] ')'=')'
   Exit: (208) [system] ')'=')'
   Call: (208) [system] get_char((0x563acd73bee0), _1597740)
   Exit: (208) [system] get_char((0x563acd73bee0), ')')
   Call: (208) [system] _1576082=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_list(')', (0x563acd73bee0), [])
   Call: (207) [system] _1476872=['C']
   Exit: (207) [system] ['C']=['C']
^  Exit: (206) [user] read_list(')', (0x563acd73bee0), ['C'])
   Call: (206) [system] _1002048=[['AndLink', 'A', 'B'], 'C']
   Exit: (206) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (205) [user] read_list(')', (0x563acd73bee0), [['AndLink', 'A', 'B'], 'C'])
   Call: (205) [system] _729052=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (205) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (204) [user] read_list(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (203) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (203) [user] read_list(')', (0x563acd73bee0), _1611622)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1613480)
   Exit: (205) [system] peek_char((0x563acd73bee0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x563acd73bee0), _1623074)
   Exit: (205) [system] get_char((0x563acd73bee0), ' ')
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1625778)
   Exit: (206) [system] peek_char((0x563acd73bee0), 'A')
   Call: (206) [system] 'A'=(;)
   Fail: (206) [system] 'A'=(;)
   Call: (206) [system] 'A'=(/)
   Fail: (206) [system] 'A'=(/)
^  Call: (206) [user] is_like_space('A')
   Call: (207) [system] char_type('A', 'white')
   Fail: (207) [system] char_type('A', 'white')
   Call: (207) [system] char_type('A', end_of_line)
   Fail: (207) [system] char_type('A', end_of_line)
   Call: (207) [system] char_type('A', space)
   Fail: (207) [system] char_type('A', space)
   Call: (207) [system] char_type('A', cntrl)
   Fail: (207) [system] char_type('A', cntrl)
^  Fail: (206) [user] is_like_space('A')
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1642712)
   Exit: (204) [system] peek_char((0x563acd73bee0), 'A')
   Call: (204) [system] 'A'=')'
   Fail: (204) [system] 'A'=')'
   Call: (204) [system] 'A'=end_of_file
   Fail: (204) [system] 'A'=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x563acd73bee0), _1648282)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1650140)
   Exit: (206) [system] peek_char((0x563acd73bee0), 'A')
   Call: (206) [system] 'A'=(;)
   Fail: (206) [system] 'A'=(;)
   Call: (206) [system] 'A'=(/)
   Fail: (206) [system] 'A'=(/)
^  Call: (206) [user] is_like_space('A')
   Call: (207) [system] char_type('A', 'white')
   Fail: (207) [system] char_type('A', 'white')
   Call: (207) [system] char_type('A', end_of_line)
   Fail: (207) [system] char_type('A', end_of_line)
   Call: (207) [system] char_type('A', space)
   Fail: (207) [system] char_type('A', space)
   Call: (207) [system] char_type('A', cntrl)
   Fail: (207) [system] char_type('A', cntrl)
^  Fail: (206) [user] is_like_space('A')
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] get_char((0x563acd73bee0), _1666150)
   Exit: (205) [system] get_char((0x563acd73bee0), 'A')
   Call: (205) [system] 'A'='('
   Fail: (205) [system] 'A'='('
   Call: (205) [system] 'A'='['
   Fail: (205) [system] 'A'='['
   Call: (205) [system] 'A'='{'
   Fail: (205) [system] 'A'='{'
   Call: (205) [system] 'A'='"'
   Fail: (205) [system] 'A'='"'
   Call: (205) [system] 'A'=!
   Fail: (205) [system] 'A'=!
   Call: (205) [system] 'A'='\''
   Fail: (205) [system] 'A'='\''
   Call: (205) [system] 'A'='`'
   Fail: (205) [system] 'A'='`'
   Call: (205) [system] 'A'=end_of_file
   Fail: (205) [system] 'A'=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x563acd73bee0), 'A', _1648282)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1683792)
   Call: (207) [system] peek_char((0x563acd73bee0), _1684726)
   Exit: (207) [system] peek_char((0x563acd73bee0), ')')
^  Call: (207) [user] is_delimiter(')')
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] arg(_1689446, v('(', ')', end_of_file), ')')
   Exit: (208) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (207) [user] is_delimiter(')')
   Call: (207) [system] _1683792=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (206) [user] classify_and_convert_charseq(['A'], _1648282)
^  Call: (207) [user] classify_and_convert_charseq_(['A'], _1695882)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_1696834, _1696836), once(user:catch(read_from_chars(['A'], _1695882), _1696816, fail)), '$restore_trace'(_1696834, _1696836))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_1696834, _1696836))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1695882), _1696816, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(_1695882)
   Fail: (208) [system] atomic(_1695882)
   Call: (208) [system] atom_chars(_1695882, ['A'])
   Exit: (208) [system] atom_chars('A', ['A'])
^  Exit: (207) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (207) [system] integer('A')
   Fail: (207) [system] integer('A')
   Call: (207) [system] _1648282='A'
   Exit: (207) [system] 'A'='A'
^  Exit: (206) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (205) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (204) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (204) [user] read_list(')', (0x563acd73bee0), _1710832)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1712690)
   Exit: (206) [system] peek_char((0x563acd73bee0), ')')
   Call: (206) [system] ')'=(;)
   Fail: (206) [system] ')'=(;)
   Call: (206) [system] ')'=(/)
   Fail: (206) [system] ')'=(/)
^  Call: (206) [user] is_like_space(')')
   Call: (207) [system] char_type(')', 'white')
   Fail: (207) [system] char_type(')', 'white')
   Call: (207) [system] char_type(')', end_of_line)
   Fail: (207) [system] char_type(')', end_of_line)
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] char_type(')', cntrl)
   Fail: (207) [system] char_type(')', cntrl)
^  Fail: (206) [user] is_like_space(')')
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1728700)
   Exit: (205) [system] peek_char((0x563acd73bee0), ')')
   Call: (205) [system] ')'=')'
   Exit: (205) [system] ')'=')'
   Call: (205) [system] get_char((0x563acd73bee0), _1732490)
   Exit: (205) [system] get_char((0x563acd73bee0), ')')
   Call: (205) [system] _1710832=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_list(')', (0x563acd73bee0), [])
   Call: (204) [system] _1611622=['A']
   Exit: (204) [system] ['A']=['A']
^  Exit: (203) [user] read_list(')', (0x563acd73bee0), ['A'])
   Call: (203) [system] _692392=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
   Exit: (203) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
^  Exit: (202) [user] read_list(')', (0x563acd73bee0), [['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
   Call: (202) [system] _503046=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
   Exit: (202) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
^  Exit: (201) [user] read_list(')', (0x563acd73bee0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
^  Exit: (200) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _1746372)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1748230)
   Exit: (202) [system] peek_char((0x563acd73bee0), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
   Call: (202) [system] ')'=(/)
   Fail: (202) [system] ')'=(/)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1764240)
   Exit: (201) [system] peek_char((0x563acd73bee0), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x563acd73bee0), _1768030)
   Exit: (201) [system] get_char((0x563acd73bee0), ')')
   Call: (201) [system] _1746372=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), [])
   Call: (200) [system] _466386=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (200) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
   Call: (199) [system] _4000=[['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (199) [system] [['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=[['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (198) [user] read_list(')', (0x563acd73bee0), [['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
   Call: (198) [system] _3992=[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (198) [system] [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (197) [user] read_list(')', (0x563acd73bee0), [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
^  Exit: (196) [user] cont_sexpr(')', (0x563acd73bee0), [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
^  Call: (196) [user] read_list(')', (0x563acd73bee0), _1781912)
^  Call: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _1783770)
   Exit: (198) [system] peek_char((0x563acd73bee0), '\n')
   Call: (198) [system] '\n'=(;)
   Fail: (198) [system] '\n'=(;)
   Call: (198) [system] '\n'=(/)
   Fail: (198) [system] '\n'=(/)
^  Call: (198) [user] is_like_space('\n')
   Call: (199) [system] char_type('\n', 'white')
   Fail: (199) [system] char_type('\n', 'white')
   Call: (199) [system] char_type('\n', end_of_line)
   Exit: (199) [system] char_type('\n', end_of_line)
^  Exit: (198) [user] is_like_space('\n')
   Call: (198) [system] get_char((0x563acd73bee0), _1795220)
   Exit: (198) [system] get_char((0x563acd73bee0), '\n')
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1797924)
   Exit: (199) [system] peek_char((0x563acd73bee0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
   Call: (199) [system] ' '=(/)
   Fail: (199) [system] ' '=(/)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x563acd73bee0), _1807518)
   Exit: (199) [system] get_char((0x563acd73bee0), ' ')
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1810222)
   Exit: (200) [system] peek_char((0x563acd73bee0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
^  Exit: (197) [user] skip_spaces((0x563acd73bee0))
   Call: (197) [system] peek_char((0x563acd73bee0), _1828080)
   Exit: (197) [system] peek_char((0x563acd73bee0), '(')
   Call: (197) [system] '('=')'
   Fail: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
   Fail: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x563acd73bee0), _1833650)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1835508)
   Exit: (199) [system] peek_char((0x563acd73bee0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
   Call: (199) [system] '('=(/)
   Fail: (199) [system] '('=(/)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] get_char((0x563acd73bee0), _1851518)
   Exit: (198) [system] get_char((0x563acd73bee0), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _1833650)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1857088)
   Exit: (200) [system] peek_char((0x563acd73bee0), :)
   Call: (200) [system] (:)=(;)
   Fail: (200) [system] (:)=(;)
   Call: (200) [system] (:)=(/)
   Fail: (200) [system] (:)=(/)
^  Call: (200) [user] is_like_space(:)
   Call: (201) [system] char_type(:, 'white')
   Fail: (201) [system] char_type(:, 'white')
   Call: (201) [system] char_type(:, end_of_line)
   Fail: (201) [system] char_type(:, end_of_line)
   Call: (201) [system] char_type(:, space)
   Fail: (201) [system] char_type(:, space)
   Call: (201) [system] char_type(:, cntrl)
   Fail: (201) [system] char_type(:, cntrl)
^  Fail: (200) [user] is_like_space(:)
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _1873098)
   Exit: (199) [system] peek_char((0x563acd73bee0), :)
   Call: (199) [system] (:)=')'
   Fail: (199) [system] (:)=')'
   Call: (199) [system] (:)=end_of_file
   Fail: (199) [system] (:)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x563acd73bee0), _1878668)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1880526)
   Exit: (201) [system] peek_char((0x563acd73bee0), :)
   Call: (201) [system] (:)=(;)
   Fail: (201) [system] (:)=(;)
   Call: (201) [system] (:)=(/)
   Fail: (201) [system] (:)=(/)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Fail: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Fail: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Fail: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
   Fail: (202) [system] char_type(:, cntrl)
^  Fail: (201) [user] is_like_space(:)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] get_char((0x563acd73bee0), _1896536)
   Exit: (200) [system] get_char((0x563acd73bee0), :)
   Call: (200) [system] (:)='('
   Fail: (200) [system] (:)='('
   Call: (200) [system] (:)='['
   Fail: (200) [system] (:)='['
   Call: (200) [system] (:)='{'
   Fail: (200) [system] (:)='{'
   Call: (200) [system] (:)='"'
   Fail: (200) [system] (:)='"'
   Call: (200) [system] (:)=!
   Fail: (200) [system] (:)=!
   Call: (200) [system] (:)='\''
   Fail: (200) [system] (:)='\''
   Call: (200) [system] (:)='`'
   Fail: (200) [system] (:)='`'
   Call: (200) [system] (:)=end_of_file
   Fail: (200) [system] (:)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x563acd73bee0), :, _1878668)
^  Call: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), _1914178)
   Call: (202) [system] peek_char((0x563acd73bee0), _1915112)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _1914178=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (201) [user] classify_and_convert_charseq([:], _1878668)
^  Call: (202) [user] classify_and_convert_charseq_([:], _1924396)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_1925348, _1925350), once(user:catch(read_from_chars([:], _1924396), _1925330, fail)), '$restore_trace'(_1925348, _1925350))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_1925348, _1925350))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1925330, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(:)
   Exit: (203) [system] atomic(:)
^  Exit: (202) [user] classify_and_convert_charseq_([:], :)
   Call: (202) [system] integer(:)
   Fail: (202) [system] integer(:)
   Call: (202) [system] _1878668=(:)
   Exit: (202) [system] (:)=(:)
^  Exit: (201) [user] classify_and_convert_charseq([:], :)
^  Exit: (200) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (199) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _1937476)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1939334)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _1948928)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1951632)
   Exit: (202) [system] peek_char((0x563acd73bee0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1968566)
   Exit: (200) [system] peek_char((0x563acd73bee0), '(')
   Call: (200) [system] '('=')'
   Fail: (200) [system] '('=')'
   Call: (200) [system] '('=end_of_file
   Fail: (200) [system] '('=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x563acd73bee0), _1974136)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1975994)
   Exit: (202) [system] peek_char((0x563acd73bee0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] get_char((0x563acd73bee0), _1992004)
   Exit: (201) [system] get_char((0x563acd73bee0), '(')
   Call: (201) [system] '('='('
   Exit: (201) [system] '('='('
^  Call: (201) [user] read_list(')', (0x563acd73bee0), _1974136)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1997574)
   Exit: (203) [system] peek_char((0x563acd73bee0), 'D')
   Call: (203) [system] 'D'=(;)
   Fail: (203) [system] 'D'=(;)
   Call: (203) [system] 'D'=(/)
   Fail: (203) [system] 'D'=(/)
^  Call: (203) [user] is_like_space('D')
   Call: (204) [system] char_type('D', 'white')
   Fail: (204) [system] char_type('D', 'white')
   Call: (204) [system] char_type('D', end_of_line)
   Fail: (204) [system] char_type('D', end_of_line)
   Call: (204) [system] char_type('D', space)
   Fail: (204) [system] char_type('D', space)
   Call: (204) [system] char_type('D', cntrl)
   Fail: (204) [system] char_type('D', cntrl)
^  Fail: (203) [user] is_like_space('D')
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _2013584)
   Exit: (202) [system] peek_char((0x563acd73bee0), 'D')
   Call: (202) [system] 'D'=')'
   Fail: (202) [system] 'D'=')'
   Call: (202) [system] 'D'=end_of_file
   Fail: (202) [system] 'D'=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x563acd73bee0), _2019154)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _2021012)
   Exit: (204) [system] peek_char((0x563acd73bee0), 'D')
   Call: (204) [system] 'D'=(;)
   Fail: (204) [system] 'D'=(;)
   Call: (204) [system] 'D'=(/)
   Fail: (204) [system] 'D'=(/)
^  Call: (204) [user] is_like_space('D')
   Call: (205) [system] char_type('D', 'white')
   Fail: (205) [system] char_type('D', 'white')
   Call: (205) [system] char_type('D', end_of_line)
   Fail: (205) [system] char_type('D', end_of_line)
   Call: (205) [system] char_type('D', space)
   Fail: (205) [system] char_type('D', space)
   Call: (205) [system] char_type('D', cntrl)
   Fail: (205) [system] char_type('D', cntrl)
^  Fail: (204) [user] is_like_space('D')
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] get_char((0x563acd73bee0), _2037022)
   Exit: (203) [system] get_char((0x563acd73bee0), 'D')
   Call: (203) [system] 'D'='('
   Fail: (203) [system] 'D'='('
   Call: (203) [system] 'D'='['
   Fail: (203) [system] 'D'='['
   Call: (203) [system] 'D'='{'
   Fail: (203) [system] 'D'='{'
   Call: (203) [system] 'D'='"'
   Fail: (203) [system] 'D'='"'
   Call: (203) [system] 'D'=!
   Fail: (203) [system] 'D'=!
   Call: (203) [system] 'D'='\''
   Fail: (203) [system] 'D'='\''
   Call: (203) [system] 'D'='`'
   Fail: (203) [system] 'D'='`'
   Call: (203) [system] 'D'=end_of_file
   Fail: (203) [system] 'D'=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x563acd73bee0), 'D', _2019154)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _2054664)
   Call: (205) [system] peek_char((0x563acd73bee0), _2055598)
   Exit: (205) [system] peek_char((0x563acd73bee0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_2060318, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_2061250, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x563acd73bee0), i)
   Exit: (205) [system] get_char((0x563acd73bee0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _2068600)
   Call: (206) [system] peek_char((0x563acd73bee0), _2069534)
   Exit: (206) [system] peek_char((0x563acd73bee0), s)
^  Call: (206) [user] is_delimiter(s)
   Call: (207) [system] char_type(s, space)
   Fail: (207) [system] char_type(s, space)
   Call: (207) [system] arg(_2074254, v('(', ')', end_of_file), s)
   Fail: (207) [system] arg(_2075186, v('(', ')', end_of_file), s)
^  Fail: (206) [user] is_delimiter(s)
   Call: (206) [system] ')'==s
   Fail: (206) [system] ')'==s
   Call: (206) [system] get_char((0x563acd73bee0), s)
   Exit: (206) [system] get_char((0x563acd73bee0), s)
   Call: (206) [system] s=(\)
   Fail: (206) [system] s=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _2082536)
   Call: (207) [system] peek_char((0x563acd73bee0), _2083470)
   Exit: (207) [system] peek_char((0x563acd73bee0), j)
^  Call: (207) [user] is_delimiter(j)
   Call: (208) [system] char_type(j, space)
   Fail: (208) [system] char_type(j, space)
   Call: (208) [system] arg(_2088190, v('(', ')', end_of_file), j)
   Fail: (208) [system] arg(_2089122, v('(', ')', end_of_file), j)
^  Fail: (207) [user] is_delimiter(j)
   Call: (207) [system] ')'==j
   Fail: (207) [system] ')'==j
   Call: (207) [system] get_char((0x563acd73bee0), j)
   Exit: (207) [system] get_char((0x563acd73bee0), j)
   Call: (207) [system] j=(\)
   Fail: (207) [system] j=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _4124)
   Call: (208) [system] peek_char((0x563acd73bee0), _4726)
   Exit: (208) [system] peek_char((0x563acd73bee0), u)
^  Call: (208) [user] is_delimiter(u)
   Call: (209) [system] char_type(u, space)
   Fail: (209) [system] char_type(u, space)
   Call: (209) [system] arg(_9446, v('(', ')', end_of_file), u)
   Fail: (209) [system] arg(_10378, v('(', ')', end_of_file), u)
^  Fail: (208) [user] is_delimiter(u)
   Call: (208) [system] ')'==u
   Fail: (208) [system] ')'==u
   Call: (208) [system] get_char((0x563acd73bee0), u)
   Exit: (208) [system] get_char((0x563acd73bee0), u)
   Call: (208) [system] u=(\)
   Fail: (208) [system] u=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _17728)
   Call: (209) [system] peek_char((0x563acd73bee0), _18662)
   Exit: (209) [system] peek_char((0x563acd73bee0), n)
^  Call: (209) [user] is_delimiter(n)
   Call: (210) [system] char_type(n, space)
   Fail: (210) [system] char_type(n, space)
   Call: (210) [system] arg(_23382, v('(', ')', end_of_file), n)
   Fail: (210) [system] arg(_24314, v('(', ')', end_of_file), n)
^  Fail: (209) [user] is_delimiter(n)
   Call: (209) [system] ')'==n
   Fail: (209) [system] ')'==n
   Call: (209) [system] get_char((0x563acd73bee0), n)
   Exit: (209) [system] get_char((0x563acd73bee0), n)
   Call: (209) [system] n=(\)
   Fail: (209) [system] n=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _31664)
   Call: (210) [system] peek_char((0x563acd73bee0), _32598)
   Exit: (210) [system] peek_char((0x563acd73bee0), c)
^  Call: (210) [user] is_delimiter(c)
   Call: (211) [system] char_type(c, space)
   Fail: (211) [system] char_type(c, space)
   Call: (211) [system] arg(_37318, v('(', ')', end_of_file), c)
   Fail: (211) [system] arg(_38250, v('(', ')', end_of_file), c)
^  Fail: (210) [user] is_delimiter(c)
   Call: (210) [system] ')'==c
   Fail: (210) [system] ')'==c
   Call: (210) [system] get_char((0x563acd73bee0), c)
   Exit: (210) [system] get_char((0x563acd73bee0), c)
   Call: (210) [system] c=(\)
   Fail: (210) [system] c=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _45600)
   Call: (211) [system] peek_char((0x563acd73bee0), _46534)
   Exit: (211) [system] peek_char((0x563acd73bee0), t)
^  Call: (211) [user] is_delimiter(t)
   Call: (212) [system] char_type(t, space)
   Fail: (212) [system] char_type(t, space)
   Call: (212) [system] arg(_51254, v('(', ')', end_of_file), t)
   Fail: (212) [system] arg(_52186, v('(', ')', end_of_file), t)
^  Fail: (211) [user] is_delimiter(t)
   Call: (211) [system] ')'==t
   Fail: (211) [system] ')'==t
   Call: (211) [system] get_char((0x563acd73bee0), t)
   Exit: (211) [system] get_char((0x563acd73bee0), t)
   Call: (211) [system] t=(\)
   Fail: (211) [system] t=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _59536)
   Call: (212) [system] peek_char((0x563acd73bee0), _60470)
   Exit: (212) [system] peek_char((0x563acd73bee0), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_65190, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_66122, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x563acd73bee0), i)
   Exit: (212) [system] get_char((0x563acd73bee0), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _73472)
   Call: (213) [system] peek_char((0x563acd73bee0), _74406)
   Exit: (213) [system] peek_char((0x563acd73bee0), o)
^  Call: (213) [user] is_delimiter(o)
   Call: (214) [system] char_type(o, space)
   Fail: (214) [system] char_type(o, space)
   Call: (214) [system] arg(_79126, v('(', ')', end_of_file), o)
   Fail: (214) [system] arg(_80058, v('(', ')', end_of_file), o)
^  Fail: (213) [user] is_delimiter(o)
   Call: (213) [system] ')'==o
   Fail: (213) [system] ')'==o
   Call: (213) [system] get_char((0x563acd73bee0), o)
   Exit: (213) [system] get_char((0x563acd73bee0), o)
   Call: (213) [system] o=(\)
   Fail: (213) [system] o=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _87408)
   Call: (214) [system] peek_char((0x563acd73bee0), _88342)
   Exit: (214) [system] peek_char((0x563acd73bee0), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_93062, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_93994, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x563acd73bee0), n)
   Exit: (214) [system] get_char((0x563acd73bee0), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _101344)
   Call: (215) [system] peek_char((0x563acd73bee0), _102278)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'I')
^  Call: (215) [user] is_delimiter('I')
   Call: (216) [system] char_type('I', space)
   Fail: (216) [system] char_type('I', space)
   Call: (216) [system] arg(_106998, v('(', ')', end_of_file), 'I')
   Fail: (216) [system] arg(_107930, v('(', ')', end_of_file), 'I')
^  Fail: (215) [user] is_delimiter('I')
   Call: (215) [system] ')'=='I'
   Fail: (215) [system] ')'=='I'
   Call: (215) [system] get_char((0x563acd73bee0), 'I')
   Exit: (215) [system] get_char((0x563acd73bee0), 'I')
   Call: (215) [system] 'I'=(\)
   Fail: (215) [system] 'I'=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _115280)
   Call: (216) [system] peek_char((0x563acd73bee0), _116214)
   Exit: (216) [system] peek_char((0x563acd73bee0), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_120934, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_121866, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x563acd73bee0), n)
   Exit: (216) [system] get_char((0x563acd73bee0), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _129216)
   Call: (217) [system] peek_char((0x563acd73bee0), _130150)
   Exit: (217) [system] peek_char((0x563acd73bee0), t)
^  Call: (217) [user] is_delimiter(t)
   Call: (218) [system] char_type(t, space)
   Fail: (218) [system] char_type(t, space)
   Call: (218) [system] arg(_134870, v('(', ')', end_of_file), t)
   Fail: (218) [system] arg(_135802, v('(', ')', end_of_file), t)
^  Fail: (217) [user] is_delimiter(t)
   Call: (217) [system] ')'==t
   Fail: (217) [system] ')'==t
   Call: (217) [system] get_char((0x563acd73bee0), t)
   Exit: (217) [system] get_char((0x563acd73bee0), t)
   Call: (217) [system] t=(\)
   Fail: (217) [system] t=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _143152)
   Call: (218) [system] peek_char((0x563acd73bee0), _144086)
   Exit: (218) [system] peek_char((0x563acd73bee0), r)
^  Call: (218) [user] is_delimiter(r)
   Call: (219) [system] char_type(r, space)
   Fail: (219) [system] char_type(r, space)
   Call: (219) [system] arg(_148806, v('(', ')', end_of_file), r)
   Fail: (219) [system] arg(_149738, v('(', ')', end_of_file), r)
^  Fail: (218) [user] is_delimiter(r)
   Call: (218) [system] ')'==r
   Fail: (218) [system] ')'==r
   Call: (218) [system] get_char((0x563acd73bee0), r)
   Exit: (218) [system] get_char((0x563acd73bee0), r)
   Call: (218) [system] r=(\)
   Fail: (218) [system] r=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _157088)
   Call: (219) [system] peek_char((0x563acd73bee0), _158022)
   Exit: (219) [system] peek_char((0x563acd73bee0), o)
^  Call: (219) [user] is_delimiter(o)
   Call: (220) [system] char_type(o, space)
   Fail: (220) [system] char_type(o, space)
   Call: (220) [system] arg(_162742, v('(', ')', end_of_file), o)
   Fail: (220) [system] arg(_163674, v('(', ')', end_of_file), o)
^  Fail: (219) [user] is_delimiter(o)
   Call: (219) [system] ')'==o
   Fail: (219) [system] ')'==o
   Call: (219) [system] get_char((0x563acd73bee0), o)
   Exit: (219) [system] get_char((0x563acd73bee0), o)
   Call: (219) [system] o=(\)
   Fail: (219) [system] o=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _171024)
   Call: (220) [system] peek_char((0x563acd73bee0), _171958)
   Exit: (220) [system] peek_char((0x563acd73bee0), d)
^  Call: (220) [user] is_delimiter(d)
   Call: (221) [system] char_type(d, space)
   Fail: (221) [system] char_type(d, space)
   Call: (221) [system] arg(_176678, v('(', ')', end_of_file), d)
   Fail: (221) [system] arg(_177610, v('(', ')', end_of_file), d)
^  Fail: (220) [user] is_delimiter(d)
   Call: (220) [system] ')'==d
   Fail: (220) [system] ')'==d
   Call: (220) [system] get_char((0x563acd73bee0), d)
   Exit: (220) [system] get_char((0x563acd73bee0), d)
   Call: (220) [system] d=(\)
   Fail: (220) [system] d=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _184960)
   Call: (221) [system] peek_char((0x563acd73bee0), _185894)
   Exit: (221) [system] peek_char((0x563acd73bee0), u)
^  Call: (221) [user] is_delimiter(u)
   Call: (222) [system] char_type(u, space)
   Fail: (222) [system] char_type(u, space)
   Call: (222) [system] arg(_190614, v('(', ')', end_of_file), u)
   Fail: (222) [system] arg(_191546, v('(', ')', end_of_file), u)
^  Fail: (221) [user] is_delimiter(u)
   Call: (221) [system] ')'==u
   Fail: (221) [system] ')'==u
   Call: (221) [system] get_char((0x563acd73bee0), u)
   Exit: (221) [system] get_char((0x563acd73bee0), u)
   Call: (221) [system] u=(\)
   Fail: (221) [system] u=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _198896)
   Call: (222) [system] peek_char((0x563acd73bee0), _199830)
   Exit: (222) [system] peek_char((0x563acd73bee0), c)
^  Call: (222) [user] is_delimiter(c)
   Call: (223) [system] char_type(c, space)
   Fail: (223) [system] char_type(c, space)
   Call: (223) [system] arg(_204550, v('(', ')', end_of_file), c)
   Fail: (223) [system] arg(_205482, v('(', ')', end_of_file), c)
^  Fail: (222) [user] is_delimiter(c)
   Call: (222) [system] ')'==c
   Fail: (222) [system] ')'==c
   Call: (222) [system] get_char((0x563acd73bee0), c)
   Exit: (222) [system] get_char((0x563acd73bee0), c)
   Call: (222) [system] c=(\)
   Fail: (222) [system] c=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _212832)
   Call: (223) [system] peek_char((0x563acd73bee0), _213766)
   Exit: (223) [system] peek_char((0x563acd73bee0), t)
^  Call: (223) [user] is_delimiter(t)
   Call: (224) [system] char_type(t, space)
   Fail: (224) [system] char_type(t, space)
   Call: (224) [system] arg(_218486, v('(', ')', end_of_file), t)
   Fail: (224) [system] arg(_219418, v('(', ')', end_of_file), t)
^  Fail: (223) [user] is_delimiter(t)
   Call: (223) [system] ')'==t
   Fail: (223) [system] ')'==t
   Call: (223) [system] get_char((0x563acd73bee0), t)
   Exit: (223) [system] get_char((0x563acd73bee0), t)
   Call: (223) [system] t=(\)
   Fail: (223) [system] t=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _226768)
   Call: (224) [system] peek_char((0x563acd73bee0), _227702)
   Exit: (224) [system] peek_char((0x563acd73bee0), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Fail: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_232422, v('(', ')', end_of_file), i)
   Fail: (225) [system] arg(_233354, v('(', ')', end_of_file), i)
^  Fail: (224) [user] is_delimiter(i)
   Call: (224) [system] ')'==i
   Fail: (224) [system] ')'==i
   Call: (224) [system] get_char((0x563acd73bee0), i)
   Exit: (224) [system] get_char((0x563acd73bee0), i)
   Call: (224) [system] i=(\)
   Fail: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _240704)
   Call: (225) [system] peek_char((0x563acd73bee0), _241638)
   Exit: (225) [system] peek_char((0x563acd73bee0), o)
^  Call: (225) [user] is_delimiter(o)
   Call: (226) [system] char_type(o, space)
   Fail: (226) [system] char_type(o, space)
   Call: (226) [system] arg(_246358, v('(', ')', end_of_file), o)
   Fail: (226) [system] arg(_247290, v('(', ')', end_of_file), o)
^  Fail: (225) [user] is_delimiter(o)
   Call: (225) [system] ')'==o
   Fail: (225) [system] ')'==o
   Call: (225) [system] get_char((0x563acd73bee0), o)
   Exit: (225) [system] get_char((0x563acd73bee0), o)
   Call: (225) [system] o=(\)
   Fail: (225) [system] o=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _254640)
   Call: (226) [system] peek_char((0x563acd73bee0), _255574)
   Exit: (226) [system] peek_char((0x563acd73bee0), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_260294, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_261226, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x563acd73bee0), n)
   Exit: (226) [system] get_char((0x563acd73bee0), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _268576)
   Call: (227) [system] peek_char((0x563acd73bee0), _269510)
   Exit: (227) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _268576=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (226) [system] _254640=[n]
   Exit: (226) [system] [n]=[n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (225) [system] _240704=[o, n]
   Exit: (225) [system] [o, n]=[o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (224) [system] _226768=[i, o, n]
   Exit: (224) [system] [i, o, n]=[i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (223) [system] _212832=[t, i, o, n]
   Exit: (223) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (222) [system] _198896=[c, t, i, o, n]
   Exit: (222) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n])
   Call: (221) [system] _184960=[u, c, t, i, o, n]
   Exit: (221) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, i, o, n])
   Call: (220) [system] _171024=[d, u, c, t, i, o, n]
   Exit: (220) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, u, c, t, i, o, n])
   Call: (219) [system] _157088=[o, d, u, c, t, i, o, n]
   Exit: (219) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, d, u, c, t, i, o, n])
   Call: (218) [system] _143152=[r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _129216=[t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _115280=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _101344=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _87408=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _73472=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _59536=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _45600=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _31664=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _17728=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _4124=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (207) [system] _4118=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (207) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (206) [system] _4114=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (206) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (205) [system] _4110=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (205) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (204) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _4106)
^  Call: (205) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _340262)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_341214, _341216), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _340262), _341196, fail)), '$restore_trace'(_341214, _341216))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_341214, _341216))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _340262), _341196, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(_340262)
   Fail: (206) [system] atomic(_340262)
   Call: (206) [system] atom_chars(_340262, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (206) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (205) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (205) [system] integer('DisjunctionIntroduction')
   Fail: (205) [system] integer('DisjunctionIntroduction')
   Call: (205) [system] _4106='DisjunctionIntroduction'
   Exit: (205) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (204) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (203) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'DisjunctionIntroduction')
^  Exit: (202) [user] cont_sexpr(')', (0x563acd73bee0), 'DisjunctionIntroduction')
^  Call: (202) [user] read_list(')', (0x563acd73bee0), _355212)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _357070)
   Exit: (204) [system] peek_char((0x563acd73bee0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x563acd73bee0), _366664)
   Exit: (204) [system] get_char((0x563acd73bee0), ' ')
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _369368)
   Exit: (205) [system] peek_char((0x563acd73bee0), a)
   Call: (205) [system] a=(;)
   Fail: (205) [system] a=(;)
   Call: (205) [system] a=(/)
   Fail: (205) [system] a=(/)
^  Call: (205) [user] is_like_space(a)
   Call: (206) [system] char_type(a, 'white')
   Fail: (206) [system] char_type(a, 'white')
   Call: (206) [system] char_type(a, end_of_line)
   Fail: (206) [system] char_type(a, end_of_line)
   Call: (206) [system] char_type(a, space)
   Fail: (206) [system] char_type(a, space)
   Call: (206) [system] char_type(a, cntrl)
   Fail: (206) [system] char_type(a, cntrl)
^  Fail: (205) [user] is_like_space(a)
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _386302)
   Exit: (203) [system] peek_char((0x563acd73bee0), a)
   Call: (203) [system] a=')'
   Fail: (203) [system] a=')'
   Call: (203) [system] a=end_of_file
   Fail: (203) [system] a=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x563acd73bee0), _391872)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _393730)
   Exit: (205) [system] peek_char((0x563acd73bee0), a)
   Call: (205) [system] a=(;)
   Fail: (205) [system] a=(;)
   Call: (205) [system] a=(/)
   Fail: (205) [system] a=(/)
^  Call: (205) [user] is_like_space(a)
   Call: (206) [system] char_type(a, 'white')
   Fail: (206) [system] char_type(a, 'white')
   Call: (206) [system] char_type(a, end_of_line)
   Fail: (206) [system] char_type(a, end_of_line)
   Call: (206) [system] char_type(a, space)
   Fail: (206) [system] char_type(a, space)
   Call: (206) [system] char_type(a, cntrl)
   Fail: (206) [system] char_type(a, cntrl)
^  Fail: (205) [user] is_like_space(a)
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] get_char((0x563acd73bee0), _409740)
   Exit: (204) [system] get_char((0x563acd73bee0), a)
   Call: (204) [system] a='('
   Fail: (204) [system] a='('
   Call: (204) [system] a='['
   Fail: (204) [system] a='['
   Call: (204) [system] a='{'
   Fail: (204) [system] a='{'
   Call: (204) [system] a='"'
   Fail: (204) [system] a='"'
   Call: (204) [system] a=!
   Fail: (204) [system] a=!
   Call: (204) [system] a='\''
   Fail: (204) [system] a='\''
   Call: (204) [system] a='`'
   Fail: (204) [system] a='`'
   Call: (204) [system] a=end_of_file
   Fail: (204) [system] a=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x563acd73bee0), a, _391872)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _427382)
   Call: (206) [system] peek_char((0x563acd73bee0), _428316)
   Exit: (206) [system] peek_char((0x563acd73bee0), b)
^  Call: (206) [user] is_delimiter(b)
   Call: (207) [system] char_type(b, space)
   Fail: (207) [system] char_type(b, space)
   Call: (207) [system] arg(_433036, v('(', ')', end_of_file), b)
   Fail: (207) [system] arg(_433968, v('(', ')', end_of_file), b)
^  Fail: (206) [user] is_delimiter(b)
   Call: (206) [system] ')'==b
   Fail: (206) [system] ')'==b
   Call: (206) [system] get_char((0x563acd73bee0), b)
   Exit: (206) [system] get_char((0x563acd73bee0), b)
   Call: (206) [system] b=(\)
   Fail: (206) [system] b=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _441318)
   Call: (207) [system] peek_char((0x563acd73bee0), _442252)
   Exit: (207) [system] peek_char((0x563acd73bee0), c)
^  Call: (207) [user] is_delimiter(c)
   Call: (208) [system] char_type(c, space)
   Fail: (208) [system] char_type(c, space)
   Call: (208) [system] arg(_446972, v('(', ')', end_of_file), c)
   Fail: (208) [system] arg(_447904, v('(', ')', end_of_file), c)
^  Fail: (207) [user] is_delimiter(c)
   Call: (207) [system] ')'==c
   Fail: (207) [system] ')'==c
   Call: (207) [system] get_char((0x563acd73bee0), c)
   Exit: (207) [system] get_char((0x563acd73bee0), c)
   Call: (207) [system] c=(\)
   Fail: (207) [system] c=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _455254)
   Call: (208) [system] peek_char((0x563acd73bee0), _456188)
   Exit: (208) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _455254=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (207) [system] _441318=[c]
   Exit: (207) [system] [c]=[c]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [c])
   Call: (206) [system] _427382=[b, c]
   Exit: (206) [system] [b, c]=[b, c]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [b, c])
^  Call: (205) [user] classify_and_convert_charseq([a, b, c], _391872)
^  Call: (206) [user] classify_and_convert_charseq_([a, b, c], _471060)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_472012, _472014), once(user:catch(read_from_chars([a, b, c], _471060), _471994, fail)), '$restore_trace'(_472012, _472014))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_472012, _472014))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _471994, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(abc)
   Exit: (207) [system] atomic(abc)
^  Exit: (206) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (206) [system] integer(abc)
   Fail: (206) [system] integer(abc)
   Call: (206) [system] _391872=abc
   Exit: (206) [system] abc=abc
^  Exit: (205) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (204) [user] read_symbolic(')', (0x563acd73bee0), a, abc)
^  Exit: (203) [user] cont_sexpr(')', (0x563acd73bee0), abc)
^  Call: (203) [user] read_list(')', (0x563acd73bee0), _484140)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _485998)
   Exit: (205) [system] peek_char((0x563acd73bee0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x563acd73bee0), _495592)
   Exit: (205) [system] get_char((0x563acd73bee0), ' ')
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _498296)
   Exit: (206) [system] peek_char((0x563acd73bee0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _515230)
   Exit: (204) [system] peek_char((0x563acd73bee0), '(')
   Call: (204) [system] '('=')'
   Fail: (204) [system] '('=')'
   Call: (204) [system] '('=end_of_file
   Fail: (204) [system] '('=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x563acd73bee0), _520800)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _522658)
   Exit: (206) [system] peek_char((0x563acd73bee0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] get_char((0x563acd73bee0), _538668)
   Exit: (205) [system] get_char((0x563acd73bee0), '(')
   Call: (205) [system] '('='('
   Exit: (205) [system] '('='('
^  Call: (205) [user] read_list(')', (0x563acd73bee0), _520800)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _544238)
   Exit: (207) [system] peek_char((0x563acd73bee0), 'D')
   Call: (207) [system] 'D'=(;)
   Fail: (207) [system] 'D'=(;)
   Call: (207) [system] 'D'=(/)
   Fail: (207) [system] 'D'=(/)
^  Call: (207) [user] is_like_space('D')
   Call: (208) [system] char_type('D', 'white')
   Fail: (208) [system] char_type('D', 'white')
   Call: (208) [system] char_type('D', end_of_line)
   Fail: (208) [system] char_type('D', end_of_line)
   Call: (208) [system] char_type('D', space)
   Fail: (208) [system] char_type('D', space)
   Call: (208) [system] char_type('D', cntrl)
   Fail: (208) [system] char_type('D', cntrl)
^  Fail: (207) [user] is_like_space('D')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _560248)
   Exit: (206) [system] peek_char((0x563acd73bee0), 'D')
   Call: (206) [system] 'D'=')'
   Fail: (206) [system] 'D'=')'
   Call: (206) [system] 'D'=end_of_file
   Fail: (206) [system] 'D'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x563acd73bee0), _565818)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _567676)
   Exit: (208) [system] peek_char((0x563acd73bee0), 'D')
   Call: (208) [system] 'D'=(;)
   Fail: (208) [system] 'D'=(;)
   Call: (208) [system] 'D'=(/)
   Fail: (208) [system] 'D'=(/)
^  Call: (208) [user] is_like_space('D')
   Call: (209) [system] char_type('D', 'white')
   Fail: (209) [system] char_type('D', 'white')
   Call: (209) [system] char_type('D', end_of_line)
   Fail: (209) [system] char_type('D', end_of_line)
   Call: (209) [system] char_type('D', space)
   Fail: (209) [system] char_type('D', space)
   Call: (209) [system] char_type('D', cntrl)
   Fail: (209) [system] char_type('D', cntrl)
^  Fail: (208) [user] is_like_space('D')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] get_char((0x563acd73bee0), _583686)
   Exit: (207) [system] get_char((0x563acd73bee0), 'D')
   Call: (207) [system] 'D'='('
   Fail: (207) [system] 'D'='('
   Call: (207) [system] 'D'='['
   Fail: (207) [system] 'D'='['
   Call: (207) [system] 'D'='{'
   Fail: (207) [system] 'D'='{'
   Call: (207) [system] 'D'='"'
   Fail: (207) [system] 'D'='"'
   Call: (207) [system] 'D'=!
   Fail: (207) [system] 'D'=!
   Call: (207) [system] 'D'='\''
   Fail: (207) [system] 'D'='\''
   Call: (207) [system] 'D'='`'
   Fail: (207) [system] 'D'='`'
   Call: (207) [system] 'D'=end_of_file
   Fail: (207) [system] 'D'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x563acd73bee0), 'D', _565818)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _601328)
   Call: (209) [system] peek_char((0x563acd73bee0), _602262)
   Exit: (209) [system] peek_char((0x563acd73bee0), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_606982, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_607914, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x563acd73bee0), i)
   Exit: (209) [system] get_char((0x563acd73bee0), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _615264)
   Call: (210) [system] peek_char((0x563acd73bee0), _616198)
   Exit: (210) [system] peek_char((0x563acd73bee0), s)
^  Call: (210) [user] is_delimiter(s)
   Call: (211) [system] char_type(s, space)
   Fail: (211) [system] char_type(s, space)
   Call: (211) [system] arg(_620918, v('(', ')', end_of_file), s)
   Fail: (211) [system] arg(_621850, v('(', ')', end_of_file), s)
^  Fail: (210) [user] is_delimiter(s)
   Call: (210) [system] ')'==s
   Fail: (210) [system] ')'==s
   Call: (210) [system] get_char((0x563acd73bee0), s)
   Exit: (210) [system] get_char((0x563acd73bee0), s)
   Call: (210) [system] s=(\)
   Fail: (210) [system] s=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _629200)
   Call: (211) [system] peek_char((0x563acd73bee0), _630134)
   Exit: (211) [system] peek_char((0x563acd73bee0), j)
^  Call: (211) [user] is_delimiter(j)
   Call: (212) [system] char_type(j, space)
   Fail: (212) [system] char_type(j, space)
   Call: (212) [system] arg(_634854, v('(', ')', end_of_file), j)
   Fail: (212) [system] arg(_635786, v('(', ')', end_of_file), j)
^  Fail: (211) [user] is_delimiter(j)
   Call: (211) [system] ')'==j
   Fail: (211) [system] ')'==j
   Call: (211) [system] get_char((0x563acd73bee0), j)
   Exit: (211) [system] get_char((0x563acd73bee0), j)
   Call: (211) [system] j=(\)
   Fail: (211) [system] j=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _643136)
   Call: (212) [system] peek_char((0x563acd73bee0), _644070)
   Exit: (212) [system] peek_char((0x563acd73bee0), u)
^  Call: (212) [user] is_delimiter(u)
   Call: (213) [system] char_type(u, space)
   Fail: (213) [system] char_type(u, space)
   Call: (213) [system] arg(_648790, v('(', ')', end_of_file), u)
   Fail: (213) [system] arg(_649722, v('(', ')', end_of_file), u)
^  Fail: (212) [user] is_delimiter(u)
   Call: (212) [system] ')'==u
   Fail: (212) [system] ')'==u
   Call: (212) [system] get_char((0x563acd73bee0), u)
   Exit: (212) [system] get_char((0x563acd73bee0), u)
   Call: (212) [system] u=(\)
   Fail: (212) [system] u=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _657072)
   Call: (213) [system] peek_char((0x563acd73bee0), _658006)
   Exit: (213) [system] peek_char((0x563acd73bee0), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_662726, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_663658, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x563acd73bee0), n)
   Exit: (213) [system] get_char((0x563acd73bee0), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _671008)
   Call: (214) [system] peek_char((0x563acd73bee0), _671942)
   Exit: (214) [system] peek_char((0x563acd73bee0), c)
^  Call: (214) [user] is_delimiter(c)
   Call: (215) [system] char_type(c, space)
   Fail: (215) [system] char_type(c, space)
   Call: (215) [system] arg(_676662, v('(', ')', end_of_file), c)
   Fail: (215) [system] arg(_677594, v('(', ')', end_of_file), c)
^  Fail: (214) [user] is_delimiter(c)
   Call: (214) [system] ')'==c
   Fail: (214) [system] ')'==c
   Call: (214) [system] get_char((0x563acd73bee0), c)
   Exit: (214) [system] get_char((0x563acd73bee0), c)
   Call: (214) [system] c=(\)
   Fail: (214) [system] c=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _684944)
   Call: (215) [system] peek_char((0x563acd73bee0), _685878)
   Exit: (215) [system] peek_char((0x563acd73bee0), t)
^  Call: (215) [user] is_delimiter(t)
   Call: (216) [system] char_type(t, space)
   Fail: (216) [system] char_type(t, space)
   Call: (216) [system] arg(_690598, v('(', ')', end_of_file), t)
   Fail: (216) [system] arg(_691530, v('(', ')', end_of_file), t)
^  Fail: (215) [user] is_delimiter(t)
   Call: (215) [system] ')'==t
   Fail: (215) [system] ')'==t
   Call: (215) [system] get_char((0x563acd73bee0), t)
   Exit: (215) [system] get_char((0x563acd73bee0), t)
   Call: (215) [system] t=(\)
   Fail: (215) [system] t=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _698880)
   Call: (216) [system] peek_char((0x563acd73bee0), _699814)
   Exit: (216) [system] peek_char((0x563acd73bee0), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Fail: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_704534, v('(', ')', end_of_file), i)
   Fail: (217) [system] arg(_705466, v('(', ')', end_of_file), i)
^  Fail: (216) [user] is_delimiter(i)
   Call: (216) [system] ')'==i
   Fail: (216) [system] ')'==i
   Call: (216) [system] get_char((0x563acd73bee0), i)
   Exit: (216) [system] get_char((0x563acd73bee0), i)
   Call: (216) [system] i=(\)
   Fail: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _712816)
   Call: (217) [system] peek_char((0x563acd73bee0), _713750)
   Exit: (217) [system] peek_char((0x563acd73bee0), o)
^  Call: (217) [user] is_delimiter(o)
   Call: (218) [system] char_type(o, space)
   Fail: (218) [system] char_type(o, space)
   Call: (218) [system] arg(_718470, v('(', ')', end_of_file), o)
   Fail: (218) [system] arg(_719402, v('(', ')', end_of_file), o)
^  Fail: (217) [user] is_delimiter(o)
   Call: (217) [system] ')'==o
   Fail: (217) [system] ')'==o
   Call: (217) [system] get_char((0x563acd73bee0), o)
   Exit: (217) [system] get_char((0x563acd73bee0), o)
   Call: (217) [system] o=(\)
   Fail: (217) [system] o=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _726752)
   Call: (218) [system] peek_char((0x563acd73bee0), _727686)
   Exit: (218) [system] peek_char((0x563acd73bee0), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_732406, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_733338, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x563acd73bee0), n)
   Exit: (218) [system] get_char((0x563acd73bee0), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _740688)
   Call: (219) [system] peek_char((0x563acd73bee0), _741622)
   Exit: (219) [system] peek_char((0x563acd73bee0), 'I')
^  Call: (219) [user] is_delimiter('I')
   Call: (220) [system] char_type('I', space)
   Fail: (220) [system] char_type('I', space)
   Call: (220) [system] arg(_746342, v('(', ')', end_of_file), 'I')
   Fail: (220) [system] arg(_747274, v('(', ')', end_of_file), 'I')
^  Fail: (219) [user] is_delimiter('I')
   Call: (219) [system] ')'=='I'
   Fail: (219) [system] ')'=='I'
   Call: (219) [system] get_char((0x563acd73bee0), 'I')
   Exit: (219) [system] get_char((0x563acd73bee0), 'I')
   Call: (219) [system] 'I'=(\)
   Fail: (219) [system] 'I'=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _754624)
   Call: (220) [system] peek_char((0x563acd73bee0), _755558)
   Exit: (220) [system] peek_char((0x563acd73bee0), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_760278, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_761210, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x563acd73bee0), n)
   Exit: (220) [system] get_char((0x563acd73bee0), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _768560)
   Call: (221) [system] peek_char((0x563acd73bee0), _769494)
   Exit: (221) [system] peek_char((0x563acd73bee0), t)
^  Call: (221) [user] is_delimiter(t)
   Call: (222) [system] char_type(t, space)
   Fail: (222) [system] char_type(t, space)
   Call: (222) [system] arg(_774214, v('(', ')', end_of_file), t)
   Fail: (222) [system] arg(_775146, v('(', ')', end_of_file), t)
^  Fail: (221) [user] is_delimiter(t)
   Call: (221) [system] ')'==t
   Fail: (221) [system] ')'==t
   Call: (221) [system] get_char((0x563acd73bee0), t)
   Exit: (221) [system] get_char((0x563acd73bee0), t)
   Call: (221) [system] t=(\)
   Fail: (221) [system] t=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _782496)
   Call: (222) [system] peek_char((0x563acd73bee0), _783430)
   Exit: (222) [system] peek_char((0x563acd73bee0), r)
^  Call: (222) [user] is_delimiter(r)
   Call: (223) [system] char_type(r, space)
   Fail: (223) [system] char_type(r, space)
   Call: (223) [system] arg(_788150, v('(', ')', end_of_file), r)
   Fail: (223) [system] arg(_789082, v('(', ')', end_of_file), r)
^  Fail: (222) [user] is_delimiter(r)
   Call: (222) [system] ')'==r
   Fail: (222) [system] ')'==r
   Call: (222) [system] get_char((0x563acd73bee0), r)
   Exit: (222) [system] get_char((0x563acd73bee0), r)
   Call: (222) [system] r=(\)
   Fail: (222) [system] r=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _796432)
   Call: (223) [system] peek_char((0x563acd73bee0), _797366)
   Exit: (223) [system] peek_char((0x563acd73bee0), o)
^  Call: (223) [user] is_delimiter(o)
   Call: (224) [system] char_type(o, space)
   Fail: (224) [system] char_type(o, space)
   Call: (224) [system] arg(_802086, v('(', ')', end_of_file), o)
   Fail: (224) [system] arg(_803018, v('(', ')', end_of_file), o)
^  Fail: (223) [user] is_delimiter(o)
   Call: (223) [system] ')'==o
   Fail: (223) [system] ')'==o
   Call: (223) [system] get_char((0x563acd73bee0), o)
   Exit: (223) [system] get_char((0x563acd73bee0), o)
   Call: (223) [system] o=(\)
   Fail: (223) [system] o=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _810368)
   Call: (224) [system] peek_char((0x563acd73bee0), _811302)
   Exit: (224) [system] peek_char((0x563acd73bee0), d)
^  Call: (224) [user] is_delimiter(d)
   Call: (225) [system] char_type(d, space)
   Fail: (225) [system] char_type(d, space)
   Call: (225) [system] arg(_816022, v('(', ')', end_of_file), d)
   Fail: (225) [system] arg(_816954, v('(', ')', end_of_file), d)
^  Fail: (224) [user] is_delimiter(d)
   Call: (224) [system] ')'==d
   Fail: (224) [system] ')'==d
   Call: (224) [system] get_char((0x563acd73bee0), d)
   Exit: (224) [system] get_char((0x563acd73bee0), d)
   Call: (224) [system] d=(\)
   Fail: (224) [system] d=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _824304)
   Call: (225) [system] peek_char((0x563acd73bee0), _825238)
   Exit: (225) [system] peek_char((0x563acd73bee0), u)
^  Call: (225) [user] is_delimiter(u)
   Call: (226) [system] char_type(u, space)
   Fail: (226) [system] char_type(u, space)
   Call: (226) [system] arg(_829958, v('(', ')', end_of_file), u)
   Fail: (226) [system] arg(_830890, v('(', ')', end_of_file), u)
^  Fail: (225) [user] is_delimiter(u)
   Call: (225) [system] ')'==u
   Fail: (225) [system] ')'==u
   Call: (225) [system] get_char((0x563acd73bee0), u)
   Exit: (225) [system] get_char((0x563acd73bee0), u)
   Call: (225) [system] u=(\)
   Fail: (225) [system] u=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _838240)
   Call: (226) [system] peek_char((0x563acd73bee0), _839174)
   Exit: (226) [system] peek_char((0x563acd73bee0), c)
^  Call: (226) [user] is_delimiter(c)
   Call: (227) [system] char_type(c, space)
   Fail: (227) [system] char_type(c, space)
   Call: (227) [system] arg(_843894, v('(', ')', end_of_file), c)
   Fail: (227) [system] arg(_844826, v('(', ')', end_of_file), c)
^  Fail: (226) [user] is_delimiter(c)
   Call: (226) [system] ')'==c
   Fail: (226) [system] ')'==c
   Call: (226) [system] get_char((0x563acd73bee0), c)
   Exit: (226) [system] get_char((0x563acd73bee0), c)
   Call: (226) [system] c=(\)
   Fail: (226) [system] c=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _852176)
   Call: (227) [system] peek_char((0x563acd73bee0), _853110)
   Exit: (227) [system] peek_char((0x563acd73bee0), t)
^  Call: (227) [user] is_delimiter(t)
   Call: (228) [system] char_type(t, space)
   Fail: (228) [system] char_type(t, space)
   Call: (228) [system] arg(_857830, v('(', ')', end_of_file), t)
   Fail: (228) [system] arg(_858762, v('(', ')', end_of_file), t)
^  Fail: (227) [user] is_delimiter(t)
   Call: (227) [system] ')'==t
   Fail: (227) [system] ')'==t
   Call: (227) [system] get_char((0x563acd73bee0), t)
   Exit: (227) [system] get_char((0x563acd73bee0), t)
   Call: (227) [system] t=(\)
   Fail: (227) [system] t=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _866112)
   Call: (228) [system] peek_char((0x563acd73bee0), _867046)
   Exit: (228) [system] peek_char((0x563acd73bee0), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_871766, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_872698, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x563acd73bee0), i)
   Exit: (228) [system] get_char((0x563acd73bee0), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _880048)
   Call: (229) [system] peek_char((0x563acd73bee0), _880982)
   Exit: (229) [system] peek_char((0x563acd73bee0), o)
^  Call: (229) [user] is_delimiter(o)
   Call: (230) [system] char_type(o, space)
   Fail: (230) [system] char_type(o, space)
   Call: (230) [system] arg(_885702, v('(', ')', end_of_file), o)
   Fail: (230) [system] arg(_886634, v('(', ')', end_of_file), o)
^  Fail: (229) [user] is_delimiter(o)
   Call: (229) [system] ')'==o
   Fail: (229) [system] ')'==o
   Call: (229) [system] get_char((0x563acd73bee0), o)
   Exit: (229) [system] get_char((0x563acd73bee0), o)
   Call: (229) [system] o=(\)
   Fail: (229) [system] o=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _893984)
   Call: (230) [system] peek_char((0x563acd73bee0), _894918)
   Exit: (230) [system] peek_char((0x563acd73bee0), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_899638, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_900570, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x563acd73bee0), n)
   Exit: (230) [system] get_char((0x563acd73bee0), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _907920)
   Call: (231) [system] peek_char((0x563acd73bee0), _908854)
   Exit: (231) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _907920=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (230) [system] _893984=[n]
   Exit: (230) [system] [n]=[n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (229) [system] _880048=[o, n]
   Exit: (229) [system] [o, n]=[o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (228) [system] _866112=[i, o, n]
   Exit: (228) [system] [i, o, n]=[i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (227) [system] _852176=[t, i, o, n]
   Exit: (227) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (226) [system] _838240=[c, t, i, o, n]
   Exit: (226) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n])
   Call: (225) [system] _824304=[u, c, t, i, o, n]
   Exit: (225) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, i, o, n])
   Call: (224) [system] _810368=[d, u, c, t, i, o, n]
   Exit: (224) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, u, c, t, i, o, n])
   Call: (223) [system] _796432=[o, d, u, c, t, i, o, n]
   Exit: (223) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, d, u, c, t, i, o, n])
   Call: (222) [system] _782496=[r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _768560=[t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _754624=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _740688=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _726752=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _712816=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _698880=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _684944=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _671008=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _657072=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _643136=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _629200=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _615264=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _601328=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (208) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _565818)
^  Call: (209) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _979606)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_980558, _980560), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _979606), _980540, fail)), '$restore_trace'(_980558, _980560))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_980558, _980560))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _979606), _980540, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_979606)
   Fail: (210) [system] atomic(_979606)
   Call: (210) [system] atom_chars(_979606, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (210) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (209) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (209) [system] integer('DisjunctionIntroduction')
   Fail: (209) [system] integer('DisjunctionIntroduction')
   Call: (209) [system] _565818='DisjunctionIntroduction'
   Exit: (209) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (208) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (207) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'DisjunctionIntroduction')
^  Exit: (206) [user] cont_sexpr(')', (0x563acd73bee0), 'DisjunctionIntroduction')
^  Call: (206) [user] read_list(')', (0x563acd73bee0), _994556)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _996414)
   Exit: (208) [system] peek_char((0x563acd73bee0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x563acd73bee0), _1006008)
   Exit: (208) [system] get_char((0x563acd73bee0), ' ')
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1008712)
   Exit: (209) [system] peek_char((0x563acd73bee0), a)
   Call: (209) [system] a=(;)
   Fail: (209) [system] a=(;)
   Call: (209) [system] a=(/)
   Fail: (209) [system] a=(/)
^  Call: (209) [user] is_like_space(a)
   Call: (210) [system] char_type(a, 'white')
   Fail: (210) [system] char_type(a, 'white')
   Call: (210) [system] char_type(a, end_of_line)
   Fail: (210) [system] char_type(a, end_of_line)
   Call: (210) [system] char_type(a, space)
   Fail: (210) [system] char_type(a, space)
   Call: (210) [system] char_type(a, cntrl)
   Fail: (210) [system] char_type(a, cntrl)
^  Fail: (209) [user] is_like_space(a)
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1025646)
   Exit: (207) [system] peek_char((0x563acd73bee0), a)
   Call: (207) [system] a=')'
   Fail: (207) [system] a=')'
   Call: (207) [system] a=end_of_file
   Fail: (207) [system] a=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x563acd73bee0), _1031216)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1033074)
   Exit: (209) [system] peek_char((0x563acd73bee0), a)
   Call: (209) [system] a=(;)
   Fail: (209) [system] a=(;)
   Call: (209) [system] a=(/)
   Fail: (209) [system] a=(/)
^  Call: (209) [user] is_like_space(a)
   Call: (210) [system] char_type(a, 'white')
   Fail: (210) [system] char_type(a, 'white')
   Call: (210) [system] char_type(a, end_of_line)
   Fail: (210) [system] char_type(a, end_of_line)
   Call: (210) [system] char_type(a, space)
   Fail: (210) [system] char_type(a, space)
   Call: (210) [system] char_type(a, cntrl)
   Fail: (210) [system] char_type(a, cntrl)
^  Fail: (209) [user] is_like_space(a)
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] get_char((0x563acd73bee0), _1049084)
   Exit: (208) [system] get_char((0x563acd73bee0), a)
   Call: (208) [system] a='('
   Fail: (208) [system] a='('
   Call: (208) [system] a='['
   Fail: (208) [system] a='['
   Call: (208) [system] a='{'
   Fail: (208) [system] a='{'
   Call: (208) [system] a='"'
   Fail: (208) [system] a='"'
   Call: (208) [system] a=!
   Fail: (208) [system] a=!
   Call: (208) [system] a='\''
   Fail: (208) [system] a='\''
   Call: (208) [system] a='`'
   Fail: (208) [system] a='`'
   Call: (208) [system] a=end_of_file
   Fail: (208) [system] a=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x563acd73bee0), a, _1031216)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1066726)
   Call: (210) [system] peek_char((0x563acd73bee0), _1067660)
   Exit: (210) [system] peek_char((0x563acd73bee0), b)
^  Call: (210) [user] is_delimiter(b)
   Call: (211) [system] char_type(b, space)
   Fail: (211) [system] char_type(b, space)
   Call: (211) [system] arg(_1072380, v('(', ')', end_of_file), b)
   Fail: (211) [system] arg(_1073312, v('(', ')', end_of_file), b)
^  Fail: (210) [user] is_delimiter(b)
   Call: (210) [system] ')'==b
   Fail: (210) [system] ')'==b
   Call: (210) [system] get_char((0x563acd73bee0), b)
   Exit: (210) [system] get_char((0x563acd73bee0), b)
   Call: (210) [system] b=(\)
   Fail: (210) [system] b=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1080662)
   Call: (211) [system] peek_char((0x563acd73bee0), _1081596)
   Exit: (211) [system] peek_char((0x563acd73bee0), c)
^  Call: (211) [user] is_delimiter(c)
   Call: (212) [system] char_type(c, space)
   Fail: (212) [system] char_type(c, space)
   Call: (212) [system] arg(_1086316, v('(', ')', end_of_file), c)
   Fail: (212) [system] arg(_1087248, v('(', ')', end_of_file), c)
^  Fail: (211) [user] is_delimiter(c)
   Call: (211) [system] ')'==c
   Fail: (211) [system] ')'==c
   Call: (211) [system] get_char((0x563acd73bee0), c)
   Exit: (211) [system] get_char((0x563acd73bee0), c)
   Call: (211) [system] c=(\)
   Fail: (211) [system] c=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1094598)
   Call: (212) [system] peek_char((0x563acd73bee0), _1095532)
   Exit: (212) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _1094598=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (211) [system] _1080662=[c]
   Exit: (211) [system] [c]=[c]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [c])
   Call: (210) [system] _1066726=[b, c]
   Exit: (210) [system] [b, c]=[b, c]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [b, c])
^  Call: (209) [user] classify_and_convert_charseq([a, b, c], _1031216)
^  Call: (210) [user] classify_and_convert_charseq_([a, b, c], _1110404)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1111356, _1111358), once(user:catch(read_from_chars([a, b, c], _1110404), _1111338, fail)), '$restore_trace'(_1111356, _1111358))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1111356, _1111358))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1111338, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(abc)
   Exit: (211) [system] atomic(abc)
^  Exit: (210) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (210) [system] integer(abc)
   Fail: (210) [system] integer(abc)
   Call: (210) [system] _1031216=abc
   Exit: (210) [system] abc=abc
^  Exit: (209) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (208) [user] read_symbolic(')', (0x563acd73bee0), a, abc)
^  Exit: (207) [user] cont_sexpr(')', (0x563acd73bee0), abc)
^  Call: (207) [user] read_list(')', (0x563acd73bee0), _1123484)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1125342)
   Exit: (209) [system] peek_char((0x563acd73bee0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x563acd73bee0), _1134936)
   Exit: (209) [system] get_char((0x563acd73bee0), ' ')
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1137640)
   Exit: (210) [system] peek_char((0x563acd73bee0), a)
   Call: (210) [system] a=(;)
   Fail: (210) [system] a=(;)
   Call: (210) [system] a=(/)
   Fail: (210) [system] a=(/)
^  Call: (210) [user] is_like_space(a)
   Call: (211) [system] char_type(a, 'white')
   Fail: (211) [system] char_type(a, 'white')
   Call: (211) [system] char_type(a, end_of_line)
   Fail: (211) [system] char_type(a, end_of_line)
   Call: (211) [system] char_type(a, space)
   Fail: (211) [system] char_type(a, space)
   Call: (211) [system] char_type(a, cntrl)
   Fail: (211) [system] char_type(a, cntrl)
^  Fail: (210) [user] is_like_space(a)
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1154574)
   Exit: (208) [system] peek_char((0x563acd73bee0), a)
   Call: (208) [system] a=')'
   Fail: (208) [system] a=')'
   Call: (208) [system] a=end_of_file
   Fail: (208) [system] a=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x563acd73bee0), _1160144)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1162002)
   Exit: (210) [system] peek_char((0x563acd73bee0), a)
   Call: (210) [system] a=(;)
   Fail: (210) [system] a=(;)
   Call: (210) [system] a=(/)
   Fail: (210) [system] a=(/)
^  Call: (210) [user] is_like_space(a)
   Call: (211) [system] char_type(a, 'white')
   Fail: (211) [system] char_type(a, 'white')
   Call: (211) [system] char_type(a, end_of_line)
   Fail: (211) [system] char_type(a, end_of_line)
   Call: (211) [system] char_type(a, space)
   Fail: (211) [system] char_type(a, space)
   Call: (211) [system] char_type(a, cntrl)
   Fail: (211) [system] char_type(a, cntrl)
^  Fail: (210) [user] is_like_space(a)
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] get_char((0x563acd73bee0), _1178012)
   Exit: (209) [system] get_char((0x563acd73bee0), a)
   Call: (209) [system] a='('
   Fail: (209) [system] a='('
   Call: (209) [system] a='['
   Fail: (209) [system] a='['
   Call: (209) [system] a='{'
   Fail: (209) [system] a='{'
   Call: (209) [system] a='"'
   Fail: (209) [system] a='"'
   Call: (209) [system] a=!
   Fail: (209) [system] a=!
   Call: (209) [system] a='\''
   Fail: (209) [system] a='\''
   Call: (209) [system] a='`'
   Fail: (209) [system] a='`'
   Call: (209) [system] a=end_of_file
   Fail: (209) [system] a=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x563acd73bee0), a, _1160144)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1195654)
   Call: (211) [system] peek_char((0x563acd73bee0), _1196588)
   Exit: (211) [system] peek_char((0x563acd73bee0), b)
^  Call: (211) [user] is_delimiter(b)
   Call: (212) [system] char_type(b, space)
   Fail: (212) [system] char_type(b, space)
   Call: (212) [system] arg(_1201308, v('(', ')', end_of_file), b)
   Fail: (212) [system] arg(_1202240, v('(', ')', end_of_file), b)
^  Fail: (211) [user] is_delimiter(b)
   Call: (211) [system] ')'==b
   Fail: (211) [system] ')'==b
   Call: (211) [system] get_char((0x563acd73bee0), b)
   Exit: (211) [system] get_char((0x563acd73bee0), b)
   Call: (211) [system] b=(\)
   Fail: (211) [system] b=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1209590)
   Call: (212) [system] peek_char((0x563acd73bee0), _1210524)
   Exit: (212) [system] peek_char((0x563acd73bee0), c)
^  Call: (212) [user] is_delimiter(c)
   Call: (213) [system] char_type(c, space)
   Fail: (213) [system] char_type(c, space)
   Call: (213) [system] arg(_1215244, v('(', ')', end_of_file), c)
   Fail: (213) [system] arg(_1216176, v('(', ')', end_of_file), c)
^  Fail: (212) [user] is_delimiter(c)
   Call: (212) [system] ')'==c
   Fail: (212) [system] ')'==c
   Call: (212) [system] get_char((0x563acd73bee0), c)
   Exit: (212) [system] get_char((0x563acd73bee0), c)
   Call: (212) [system] c=(\)
   Fail: (212) [system] c=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _1223526)
   Call: (213) [system] peek_char((0x563acd73bee0), _1224460)
   Exit: (213) [system] peek_char((0x563acd73bee0), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_1229180, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _1223526=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (212) [system] _1209590=[c]
   Exit: (212) [system] [c]=[c]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [c])
   Call: (211) [system] _1195654=[b, c]
   Exit: (211) [system] [b, c]=[b, c]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [b, c])
^  Call: (210) [user] classify_and_convert_charseq([a, b, c], _1160144)
^  Call: (211) [user] classify_and_convert_charseq_([a, b, c], _1241204)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_1242156, _1242158), once(user:catch(read_from_chars([a, b, c], _1241204), _1242138, fail)), '$restore_trace'(_1242156, _1242158))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_1242156, _1242158))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1242138, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(abc)
   Exit: (212) [system] atomic(abc)
^  Exit: (211) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (211) [system] integer(abc)
   Fail: (211) [system] integer(abc)
   Call: (211) [system] _1160144=abc
   Exit: (211) [system] abc=abc
^  Exit: (210) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (209) [user] read_symbolic(')', (0x563acd73bee0), a, abc)
^  Exit: (208) [user] cont_sexpr(')', (0x563acd73bee0), abc)
^  Call: (208) [user] read_list(')', (0x563acd73bee0), _1254284)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1256142)
   Exit: (210) [system] peek_char((0x563acd73bee0), ')')
   Call: (210) [system] ')'=(;)
   Fail: (210) [system] ')'=(;)
   Call: (210) [system] ')'=(/)
   Fail: (210) [system] ')'=(/)
^  Call: (210) [user] is_like_space(')')
   Call: (211) [system] char_type(')', 'white')
   Fail: (211) [system] char_type(')', 'white')
   Call: (211) [system] char_type(')', end_of_line)
   Fail: (211) [system] char_type(')', end_of_line)
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] char_type(')', cntrl)
   Fail: (211) [system] char_type(')', cntrl)
^  Fail: (210) [user] is_like_space(')')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1272152)
   Exit: (209) [system] peek_char((0x563acd73bee0), ')')
   Call: (209) [system] ')'=')'
   Exit: (209) [system] ')'=')'
   Call: (209) [system] get_char((0x563acd73bee0), _1275942)
   Exit: (209) [system] get_char((0x563acd73bee0), ')')
   Call: (209) [system] _1254284=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_list(')', (0x563acd73bee0), [])
   Call: (208) [system] _1123484=[abc]
   Exit: (208) [system] [abc]=[abc]
^  Exit: (207) [user] read_list(')', (0x563acd73bee0), [abc])
   Call: (207) [system] _994556=[abc, abc]
   Exit: (207) [system] [abc, abc]=[abc, abc]
^  Exit: (206) [user] read_list(')', (0x563acd73bee0), [abc, abc])
   Call: (206) [system] _520800=['DisjunctionIntroduction', abc, abc]
   Exit: (206) [system] ['DisjunctionIntroduction', abc, abc]=['DisjunctionIntroduction', abc, abc]
^  Exit: (205) [user] read_list(')', (0x563acd73bee0), ['DisjunctionIntroduction', abc, abc])
^  Exit: (204) [user] cont_sexpr(')', (0x563acd73bee0), ['DisjunctionIntroduction', abc, abc])
^  Call: (204) [user] read_list(')', (0x563acd73bee0), _1289824)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1291682)
   Exit: (206) [system] peek_char((0x563acd73bee0), ')')
   Call: (206) [system] ')'=(;)
   Fail: (206) [system] ')'=(;)
   Call: (206) [system] ')'=(/)
   Fail: (206) [system] ')'=(/)
^  Call: (206) [user] is_like_space(')')
   Call: (207) [system] char_type(')', 'white')
   Fail: (207) [system] char_type(')', 'white')
   Call: (207) [system] char_type(')', end_of_line)
   Fail: (207) [system] char_type(')', end_of_line)
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] char_type(')', cntrl)
   Fail: (207) [system] char_type(')', cntrl)
^  Fail: (206) [user] is_like_space(')')
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1307692)
   Exit: (205) [system] peek_char((0x563acd73bee0), ')')
   Call: (205) [system] ')'=')'
   Exit: (205) [system] ')'=')'
   Call: (205) [system] get_char((0x563acd73bee0), _1311482)
   Exit: (205) [system] get_char((0x563acd73bee0), ')')
   Call: (205) [system] _1289824=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_list(')', (0x563acd73bee0), [])
   Call: (204) [system] _484140=[['DisjunctionIntroduction', abc, abc]]
   Exit: (204) [system] [['DisjunctionIntroduction', abc, abc]]=[['DisjunctionIntroduction', abc, abc]]
^  Exit: (203) [user] read_list(')', (0x563acd73bee0), [['DisjunctionIntroduction', abc, abc]])
   Call: (203) [system] _355212=[abc, ['DisjunctionIntroduction', abc, abc]]
   Exit: (203) [system] [abc, ['DisjunctionIntroduction', abc, abc]]=[abc, ['DisjunctionIntroduction', abc, abc]]
^  Exit: (202) [user] read_list(')', (0x563acd73bee0), [abc, ['DisjunctionIntroduction', abc, abc]])
   Call: (202) [system] _4100=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]]
   Exit: (202) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]]
^  Exit: (201) [user] read_list(')', (0x563acd73bee0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]])
^  Exit: (200) [user] cont_sexpr(')', (0x563acd73bee0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]])
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _1325364)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1327222)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x563acd73bee0), _1336816)
   Exit: (202) [system] get_char((0x563acd73bee0), ' ')
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1339520)
   Exit: (203) [system] peek_char((0x563acd73bee0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1356454)
   Exit: (201) [system] peek_char((0x563acd73bee0), '(')
   Call: (201) [system] '('=')'
   Fail: (201) [system] '('=')'
   Call: (201) [system] '('=end_of_file
   Fail: (201) [system] '('=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x563acd73bee0), _1362024)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1363882)
   Exit: (203) [system] peek_char((0x563acd73bee0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] get_char((0x563acd73bee0), _1379892)
   Exit: (202) [system] get_char((0x563acd73bee0), '(')
   Call: (202) [system] '('='('
   Exit: (202) [system] '('='('
^  Call: (202) [user] read_list(')', (0x563acd73bee0), _1362024)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1385462)
   Exit: (204) [system] peek_char((0x563acd73bee0), 'O')
   Call: (204) [system] 'O'=(;)
   Fail: (204) [system] 'O'=(;)
   Call: (204) [system] 'O'=(/)
   Fail: (204) [system] 'O'=(/)
^  Call: (204) [user] is_like_space('O')
   Call: (205) [system] char_type('O', 'white')
   Fail: (205) [system] char_type('O', 'white')
   Call: (205) [system] char_type('O', end_of_line)
   Fail: (205) [system] char_type('O', end_of_line)
   Call: (205) [system] char_type('O', space)
   Fail: (205) [system] char_type('O', space)
   Call: (205) [system] char_type('O', cntrl)
   Fail: (205) [system] char_type('O', cntrl)
^  Fail: (204) [user] is_like_space('O')
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1401472)
   Exit: (203) [system] peek_char((0x563acd73bee0), 'O')
   Call: (203) [system] 'O'=')'
   Fail: (203) [system] 'O'=')'
   Call: (203) [system] 'O'=end_of_file
   Fail: (203) [system] 'O'=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x563acd73bee0), _1407042)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1408900)
   Exit: (205) [system] peek_char((0x563acd73bee0), 'O')
   Call: (205) [system] 'O'=(;)
   Fail: (205) [system] 'O'=(;)
   Call: (205) [system] 'O'=(/)
   Fail: (205) [system] 'O'=(/)
^  Call: (205) [user] is_like_space('O')
   Call: (206) [system] char_type('O', 'white')
   Fail: (206) [system] char_type('O', 'white')
   Call: (206) [system] char_type('O', end_of_line)
   Fail: (206) [system] char_type('O', end_of_line)
   Call: (206) [system] char_type('O', space)
   Fail: (206) [system] char_type('O', space)
   Call: (206) [system] char_type('O', cntrl)
   Fail: (206) [system] char_type('O', cntrl)
^  Fail: (205) [user] is_like_space('O')
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] get_char((0x563acd73bee0), _1424910)
   Exit: (204) [system] get_char((0x563acd73bee0), 'O')
   Call: (204) [system] 'O'='('
   Fail: (204) [system] 'O'='('
   Call: (204) [system] 'O'='['
   Fail: (204) [system] 'O'='['
   Call: (204) [system] 'O'='{'
   Fail: (204) [system] 'O'='{'
   Call: (204) [system] 'O'='"'
   Fail: (204) [system] 'O'='"'
   Call: (204) [system] 'O'=!
   Fail: (204) [system] 'O'=!
   Call: (204) [system] 'O'='\''
   Fail: (204) [system] 'O'='\''
   Call: (204) [system] 'O'='`'
   Fail: (204) [system] 'O'='`'
   Call: (204) [system] 'O'=end_of_file
   Fail: (204) [system] 'O'=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x563acd73bee0), 'O', _1407042)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1442552)
   Call: (206) [system] peek_char((0x563acd73bee0), _1443486)
   Exit: (206) [system] peek_char((0x563acd73bee0), r)
^  Call: (206) [user] is_delimiter(r)
   Call: (207) [system] char_type(r, space)
   Fail: (207) [system] char_type(r, space)
   Call: (207) [system] arg(_1448206, v('(', ')', end_of_file), r)
   Fail: (207) [system] arg(_1449138, v('(', ')', end_of_file), r)
^  Fail: (206) [user] is_delimiter(r)
   Call: (206) [system] ')'==r
   Fail: (206) [system] ')'==r
   Call: (206) [system] get_char((0x563acd73bee0), r)
   Exit: (206) [system] get_char((0x563acd73bee0), r)
   Call: (206) [system] r=(\)
   Fail: (206) [system] r=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1456488)
   Call: (207) [system] peek_char((0x563acd73bee0), _1457422)
   Exit: (207) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (207) [user] is_delimiter('L')
   Call: (208) [system] char_type('L', space)
   Fail: (208) [system] char_type('L', space)
   Call: (208) [system] arg(_1462142, v('(', ')', end_of_file), 'L')
   Fail: (208) [system] arg(_1463074, v('(', ')', end_of_file), 'L')
^  Fail: (207) [user] is_delimiter('L')
   Call: (207) [system] ')'=='L'
   Fail: (207) [system] ')'=='L'
   Call: (207) [system] get_char((0x563acd73bee0), 'L')
   Exit: (207) [system] get_char((0x563acd73bee0), 'L')
   Call: (207) [system] 'L'=(\)
   Fail: (207) [system] 'L'=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1470424)
   Call: (208) [system] peek_char((0x563acd73bee0), _1471358)
   Exit: (208) [system] peek_char((0x563acd73bee0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_1476078, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_1477010, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x563acd73bee0), i)
   Exit: (208) [system] get_char((0x563acd73bee0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1484360)
   Call: (209) [system] peek_char((0x563acd73bee0), _1485294)
   Exit: (209) [system] peek_char((0x563acd73bee0), n)
^  Call: (209) [user] is_delimiter(n)
   Call: (210) [system] char_type(n, space)
   Fail: (210) [system] char_type(n, space)
   Call: (210) [system] arg(_1490014, v('(', ')', end_of_file), n)
   Fail: (210) [system] arg(_1490946, v('(', ')', end_of_file), n)
^  Fail: (209) [user] is_delimiter(n)
   Call: (209) [system] ')'==n
   Fail: (209) [system] ')'==n
   Call: (209) [system] get_char((0x563acd73bee0), n)
   Exit: (209) [system] get_char((0x563acd73bee0), n)
   Call: (209) [system] n=(\)
   Fail: (209) [system] n=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1498296)
   Call: (210) [system] peek_char((0x563acd73bee0), _1499230)
   Exit: (210) [system] peek_char((0x563acd73bee0), k)
^  Call: (210) [user] is_delimiter(k)
   Call: (211) [system] char_type(k, space)
   Fail: (211) [system] char_type(k, space)
   Call: (211) [system] arg(_1503950, v('(', ')', end_of_file), k)
   Fail: (211) [system] arg(_1504882, v('(', ')', end_of_file), k)
^  Fail: (210) [user] is_delimiter(k)
   Call: (210) [system] ')'==k
   Fail: (210) [system] ')'==k
   Call: (210) [system] get_char((0x563acd73bee0), k)
   Exit: (210) [system] get_char((0x563acd73bee0), k)
   Call: (210) [system] k=(\)
   Fail: (210) [system] k=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1512232)
   Call: (211) [system] peek_char((0x563acd73bee0), _1513166)
   Exit: (211) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _1512232=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (210) [system] _1498296=[k]
   Exit: (210) [system] [k]=[k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (209) [system] _1484360=[n, k]
   Exit: (209) [system] [n, k]=[n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (208) [system] _1470424=[i, n, k]
   Exit: (208) [system] [i, n, k]=[i, n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (207) [system] _1456488=['L', i, n, k]
   Exit: (207) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (206) [system] _1442552=[r, 'L', i, n, k]
   Exit: (206) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (205) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1407042)
^  Call: (206) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1536420)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_1537372, _1537374), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1536420), _1537354, fail)), '$restore_trace'(_1537372, _1537374))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_1537372, _1537374))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1536420), _1537354, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(_1536420)
   Fail: (207) [system] atomic(_1536420)
   Call: (207) [system] atom_chars(_1536420, ['O', r, 'L', i, n, k])
   Exit: (207) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (206) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (206) [system] integer('OrLink')
   Fail: (206) [system] integer('OrLink')
   Call: (206) [system] _1407042='OrLink'
   Exit: (206) [system] 'OrLink'='OrLink'
^  Exit: (205) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (204) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (203) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (203) [user] read_list(')', (0x563acd73bee0), _1551370)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1553228)
   Exit: (205) [system] peek_char((0x563acd73bee0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x563acd73bee0), _1562822)
   Exit: (205) [system] get_char((0x563acd73bee0), ' ')
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1565526)
   Exit: (206) [system] peek_char((0x563acd73bee0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1582460)
   Exit: (204) [system] peek_char((0x563acd73bee0), '(')
   Call: (204) [system] '('=')'
   Fail: (204) [system] '('=')'
   Call: (204) [system] '('=end_of_file
   Fail: (204) [system] '('=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x563acd73bee0), _1588030)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1589888)
   Exit: (206) [system] peek_char((0x563acd73bee0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] get_char((0x563acd73bee0), _1605898)
   Exit: (205) [system] get_char((0x563acd73bee0), '(')
   Call: (205) [system] '('='('
   Exit: (205) [system] '('='('
^  Call: (205) [user] read_list(')', (0x563acd73bee0), _1588030)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1611468)
   Exit: (207) [system] peek_char((0x563acd73bee0), 'I')
   Call: (207) [system] 'I'=(;)
   Fail: (207) [system] 'I'=(;)
   Call: (207) [system] 'I'=(/)
   Fail: (207) [system] 'I'=(/)
^  Call: (207) [user] is_like_space('I')
   Call: (208) [system] char_type('I', 'white')
   Fail: (208) [system] char_type('I', 'white')
   Call: (208) [system] char_type('I', end_of_line)
   Fail: (208) [system] char_type('I', end_of_line)
   Call: (208) [system] char_type('I', space)
   Fail: (208) [system] char_type('I', space)
   Call: (208) [system] char_type('I', cntrl)
   Fail: (208) [system] char_type('I', cntrl)
^  Fail: (207) [user] is_like_space('I')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1627478)
   Exit: (206) [system] peek_char((0x563acd73bee0), 'I')
   Call: (206) [system] 'I'=')'
   Fail: (206) [system] 'I'=')'
   Call: (206) [system] 'I'=end_of_file
   Fail: (206) [system] 'I'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x563acd73bee0), _1633048)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1634906)
   Exit: (208) [system] peek_char((0x563acd73bee0), 'I')
   Call: (208) [system] 'I'=(;)
   Fail: (208) [system] 'I'=(;)
   Call: (208) [system] 'I'=(/)
   Fail: (208) [system] 'I'=(/)
^  Call: (208) [user] is_like_space('I')
   Call: (209) [system] char_type('I', 'white')
   Fail: (209) [system] char_type('I', 'white')
   Call: (209) [system] char_type('I', end_of_line)
   Fail: (209) [system] char_type('I', end_of_line)
   Call: (209) [system] char_type('I', space)
   Fail: (209) [system] char_type('I', space)
   Call: (209) [system] char_type('I', cntrl)
   Fail: (209) [system] char_type('I', cntrl)
^  Fail: (208) [user] is_like_space('I')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] get_char((0x563acd73bee0), _1650916)
   Exit: (207) [system] get_char((0x563acd73bee0), 'I')
   Call: (207) [system] 'I'='('
   Fail: (207) [system] 'I'='('
   Call: (207) [system] 'I'='['
   Fail: (207) [system] 'I'='['
   Call: (207) [system] 'I'='{'
   Fail: (207) [system] 'I'='{'
   Call: (207) [system] 'I'='"'
   Fail: (207) [system] 'I'='"'
   Call: (207) [system] 'I'=!
   Fail: (207) [system] 'I'=!
   Call: (207) [system] 'I'='\''
   Fail: (207) [system] 'I'='\''
   Call: (207) [system] 'I'='`'
   Fail: (207) [system] 'I'='`'
   Call: (207) [system] 'I'=end_of_file
   Fail: (207) [system] 'I'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x563acd73bee0), 'I', _1633048)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1668558)
   Call: (209) [system] peek_char((0x563acd73bee0), _1669492)
   Exit: (209) [system] peek_char((0x563acd73bee0), m)
^  Call: (209) [user] is_delimiter(m)
   Call: (210) [system] char_type(m, space)
   Fail: (210) [system] char_type(m, space)
   Call: (210) [system] arg(_1674212, v('(', ')', end_of_file), m)
   Fail: (210) [system] arg(_1675144, v('(', ')', end_of_file), m)
^  Fail: (209) [user] is_delimiter(m)
   Call: (209) [system] ')'==m
   Fail: (209) [system] ')'==m
   Call: (209) [system] get_char((0x563acd73bee0), m)
   Exit: (209) [system] get_char((0x563acd73bee0), m)
   Call: (209) [system] m=(\)
   Fail: (209) [system] m=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1682494)
   Call: (210) [system] peek_char((0x563acd73bee0), _1683428)
   Exit: (210) [system] peek_char((0x563acd73bee0), p)
^  Call: (210) [user] is_delimiter(p)
   Call: (211) [system] char_type(p, space)
   Fail: (211) [system] char_type(p, space)
   Call: (211) [system] arg(_1688148, v('(', ')', end_of_file), p)
   Fail: (211) [system] arg(_1689080, v('(', ')', end_of_file), p)
^  Fail: (210) [user] is_delimiter(p)
   Call: (210) [system] ')'==p
   Fail: (210) [system] ')'==p
   Call: (210) [system] get_char((0x563acd73bee0), p)
   Exit: (210) [system] get_char((0x563acd73bee0), p)
   Call: (210) [system] p=(\)
   Fail: (210) [system] p=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1696430)
   Call: (211) [system] peek_char((0x563acd73bee0), _1697364)
   Exit: (211) [system] peek_char((0x563acd73bee0), l)
^  Call: (211) [user] is_delimiter(l)
   Call: (212) [system] char_type(l, space)
   Fail: (212) [system] char_type(l, space)
   Call: (212) [system] arg(_1702084, v('(', ')', end_of_file), l)
   Fail: (212) [system] arg(_1703016, v('(', ')', end_of_file), l)
^  Fail: (211) [user] is_delimiter(l)
   Call: (211) [system] ')'==l
   Fail: (211) [system] ')'==l
   Call: (211) [system] get_char((0x563acd73bee0), l)
   Exit: (211) [system] get_char((0x563acd73bee0), l)
   Call: (211) [system] l=(\)
   Fail: (211) [system] l=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1710366)
   Call: (212) [system] peek_char((0x563acd73bee0), _1711300)
   Exit: (212) [system] peek_char((0x563acd73bee0), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_1716020, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_1716952, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x563acd73bee0), i)
   Exit: (212) [system] get_char((0x563acd73bee0), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _1724302)
   Call: (213) [system] peek_char((0x563acd73bee0), _1725236)
   Exit: (213) [system] peek_char((0x563acd73bee0), c)
^  Call: (213) [user] is_delimiter(c)
   Call: (214) [system] char_type(c, space)
   Fail: (214) [system] char_type(c, space)
   Call: (214) [system] arg(_1729956, v('(', ')', end_of_file), c)
   Fail: (214) [system] arg(_1730888, v('(', ')', end_of_file), c)
^  Fail: (213) [user] is_delimiter(c)
   Call: (213) [system] ')'==c
   Fail: (213) [system] ')'==c
   Call: (213) [system] get_char((0x563acd73bee0), c)
   Exit: (213) [system] get_char((0x563acd73bee0), c)
   Call: (213) [system] c=(\)
   Fail: (213) [system] c=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _1738238)
   Call: (214) [system] peek_char((0x563acd73bee0), _1739172)
   Exit: (214) [system] peek_char((0x563acd73bee0), a)
^  Call: (214) [user] is_delimiter(a)
   Call: (215) [system] char_type(a, space)
   Fail: (215) [system] char_type(a, space)
   Call: (215) [system] arg(_1743892, v('(', ')', end_of_file), a)
   Fail: (215) [system] arg(_1744824, v('(', ')', end_of_file), a)
^  Fail: (214) [user] is_delimiter(a)
   Call: (214) [system] ')'==a
   Fail: (214) [system] ')'==a
   Call: (214) [system] get_char((0x563acd73bee0), a)
   Exit: (214) [system] get_char((0x563acd73bee0), a)
   Call: (214) [system] a=(\)
   Fail: (214) [system] a=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _1752174)
   Call: (215) [system] peek_char((0x563acd73bee0), _1753108)
   Exit: (215) [system] peek_char((0x563acd73bee0), t)
^  Call: (215) [user] is_delimiter(t)
   Call: (216) [system] char_type(t, space)
   Fail: (216) [system] char_type(t, space)
   Call: (216) [system] arg(_1757828, v('(', ')', end_of_file), t)
   Fail: (216) [system] arg(_1758760, v('(', ')', end_of_file), t)
^  Fail: (215) [user] is_delimiter(t)
   Call: (215) [system] ')'==t
   Fail: (215) [system] ')'==t
   Call: (215) [system] get_char((0x563acd73bee0), t)
   Exit: (215) [system] get_char((0x563acd73bee0), t)
   Call: (215) [system] t=(\)
   Fail: (215) [system] t=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _1766110)
   Call: (216) [system] peek_char((0x563acd73bee0), _1767044)
   Exit: (216) [system] peek_char((0x563acd73bee0), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Fail: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_1771764, v('(', ')', end_of_file), i)
   Fail: (217) [system] arg(_1772696, v('(', ')', end_of_file), i)
^  Fail: (216) [user] is_delimiter(i)
   Call: (216) [system] ')'==i
   Fail: (216) [system] ')'==i
   Call: (216) [system] get_char((0x563acd73bee0), i)
   Exit: (216) [system] get_char((0x563acd73bee0), i)
   Call: (216) [system] i=(\)
   Fail: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _1780046)
   Call: (217) [system] peek_char((0x563acd73bee0), _1780980)
   Exit: (217) [system] peek_char((0x563acd73bee0), o)
^  Call: (217) [user] is_delimiter(o)
   Call: (218) [system] char_type(o, space)
   Fail: (218) [system] char_type(o, space)
   Call: (218) [system] arg(_1785700, v('(', ')', end_of_file), o)
   Fail: (218) [system] arg(_1786632, v('(', ')', end_of_file), o)
^  Fail: (217) [user] is_delimiter(o)
   Call: (217) [system] ')'==o
   Fail: (217) [system] ')'==o
   Call: (217) [system] get_char((0x563acd73bee0), o)
   Exit: (217) [system] get_char((0x563acd73bee0), o)
   Call: (217) [system] o=(\)
   Fail: (217) [system] o=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _1793982)
   Call: (218) [system] peek_char((0x563acd73bee0), _1794916)
   Exit: (218) [system] peek_char((0x563acd73bee0), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_1799636, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_1800568, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x563acd73bee0), n)
   Exit: (218) [system] get_char((0x563acd73bee0), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _1807918)
   Call: (219) [system] peek_char((0x563acd73bee0), _1808852)
   Exit: (219) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _1807918=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (218) [system] _1793982=[n]
   Exit: (218) [system] [n]=[n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (217) [system] _1780046=[o, n]
   Exit: (217) [system] [o, n]=[o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (216) [system] _1766110=[i, o, n]
   Exit: (216) [system] [i, o, n]=[i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (215) [system] _1752174=[t, i, o, n]
   Exit: (215) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (214) [system] _1738238=[a, t, i, o, n]
   Exit: (214) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (213) [system] _1724302=[c, a, t, i, o, n]
   Exit: (213) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (212) [system] _1710366=[i, c, a, t, i, o, n]
   Exit: (212) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (211) [system] _1696430=[l, i, c, a, t, i, o, n]
   Exit: (211) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (210) [system] _1682494=[p, l, i, c, a, t, i, o, n]
   Exit: (210) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (209) [system] _1668558=[m, p, l, i, c, a, t, i, o, n]
   Exit: (209) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (208) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1633048)
^  Call: (209) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1846076)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_1847028, _1847030), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1846076), _1847010, fail)), '$restore_trace'(_1847028, _1847030))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_1847028, _1847030))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1846076), _1847010, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_1846076)
   Fail: (210) [system] atomic(_1846076)
   Call: (210) [system] atom_chars(_1846076, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (210) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (209) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (209) [system] integer('Implication')
   Fail: (209) [system] integer('Implication')
   Call: (209) [system] _1633048='Implication'
   Exit: (209) [system] 'Implication'='Implication'
^  Exit: (208) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (207) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (206) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (206) [user] read_list(')', (0x563acd73bee0), _1861026)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1862884)
   Exit: (208) [system] peek_char((0x563acd73bee0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x563acd73bee0), _1872478)
   Exit: (208) [system] get_char((0x563acd73bee0), ' ')
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1875182)
   Exit: (209) [system] peek_char((0x563acd73bee0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1892116)
   Exit: (207) [system] peek_char((0x563acd73bee0), '(')
   Call: (207) [system] '('=')'
   Fail: (207) [system] '('=')'
   Call: (207) [system] '('=end_of_file
   Fail: (207) [system] '('=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x563acd73bee0), _1897686)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1899544)
   Exit: (209) [system] peek_char((0x563acd73bee0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] get_char((0x563acd73bee0), _1915554)
   Exit: (208) [system] get_char((0x563acd73bee0), '(')
   Call: (208) [system] '('='('
   Exit: (208) [system] '('='('
^  Call: (208) [user] read_list(')', (0x563acd73bee0), _1897686)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1921124)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'A')
   Call: (210) [system] 'A'=(;)
   Fail: (210) [system] 'A'=(;)
   Call: (210) [system] 'A'=(/)
   Fail: (210) [system] 'A'=(/)
^  Call: (210) [user] is_like_space('A')
   Call: (211) [system] char_type('A', 'white')
   Fail: (211) [system] char_type('A', 'white')
   Call: (211) [system] char_type('A', end_of_line)
   Fail: (211) [system] char_type('A', end_of_line)
   Call: (211) [system] char_type('A', space)
   Fail: (211) [system] char_type('A', space)
   Call: (211) [system] char_type('A', cntrl)
   Fail: (211) [system] char_type('A', cntrl)
^  Fail: (210) [user] is_like_space('A')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1937134)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'A')
   Call: (209) [system] 'A'=')'
   Fail: (209) [system] 'A'=')'
   Call: (209) [system] 'A'=end_of_file
   Fail: (209) [system] 'A'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x563acd73bee0), _1942704)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1944562)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'A')
   Call: (211) [system] 'A'=(;)
   Fail: (211) [system] 'A'=(;)
   Call: (211) [system] 'A'=(/)
   Fail: (211) [system] 'A'=(/)
^  Call: (211) [user] is_like_space('A')
   Call: (212) [system] char_type('A', 'white')
   Fail: (212) [system] char_type('A', 'white')
   Call: (212) [system] char_type('A', end_of_line)
   Fail: (212) [system] char_type('A', end_of_line)
   Call: (212) [system] char_type('A', space)
   Fail: (212) [system] char_type('A', space)
   Call: (212) [system] char_type('A', cntrl)
   Fail: (212) [system] char_type('A', cntrl)
^  Fail: (211) [user] is_like_space('A')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] get_char((0x563acd73bee0), _1960572)
   Exit: (210) [system] get_char((0x563acd73bee0), 'A')
   Call: (210) [system] 'A'='('
   Fail: (210) [system] 'A'='('
   Call: (210) [system] 'A'='['
   Fail: (210) [system] 'A'='['
   Call: (210) [system] 'A'='{'
   Fail: (210) [system] 'A'='{'
   Call: (210) [system] 'A'='"'
   Fail: (210) [system] 'A'='"'
   Call: (210) [system] 'A'=!
   Fail: (210) [system] 'A'=!
   Call: (210) [system] 'A'='\''
   Fail: (210) [system] 'A'='\''
   Call: (210) [system] 'A'='`'
   Fail: (210) [system] 'A'='`'
   Call: (210) [system] 'A'=end_of_file
   Fail: (210) [system] 'A'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x563acd73bee0), 'A', _1942704)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1978214)
   Call: (212) [system] peek_char((0x563acd73bee0), _1979148)
   Exit: (212) [system] peek_char((0x563acd73bee0), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Fail: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_1983868, v('(', ')', end_of_file), n)
   Fail: (213) [system] arg(_1984800, v('(', ')', end_of_file), n)
^  Fail: (212) [user] is_delimiter(n)
   Call: (212) [system] ')'==n
   Fail: (212) [system] ')'==n
   Call: (212) [system] get_char((0x563acd73bee0), n)
   Exit: (212) [system] get_char((0x563acd73bee0), n)
   Call: (212) [system] n=(\)
   Fail: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _1992150)
   Call: (213) [system] peek_char((0x563acd73bee0), _1993084)
   Exit: (213) [system] peek_char((0x563acd73bee0), d)
^  Call: (213) [user] is_delimiter(d)
   Call: (214) [system] char_type(d, space)
   Fail: (214) [system] char_type(d, space)
   Call: (214) [system] arg(_1997804, v('(', ')', end_of_file), d)
   Fail: (214) [system] arg(_1998736, v('(', ')', end_of_file), d)
^  Fail: (213) [user] is_delimiter(d)
   Call: (213) [system] ')'==d
   Fail: (213) [system] ')'==d
   Call: (213) [system] get_char((0x563acd73bee0), d)
   Exit: (213) [system] get_char((0x563acd73bee0), d)
   Call: (213) [system] d=(\)
   Fail: (213) [system] d=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _2006086)
   Call: (214) [system] peek_char((0x563acd73bee0), _2007020)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (214) [user] is_delimiter('L')
   Call: (215) [system] char_type('L', space)
   Fail: (215) [system] char_type('L', space)
   Call: (215) [system] arg(_2011740, v('(', ')', end_of_file), 'L')
   Fail: (215) [system] arg(_2012672, v('(', ')', end_of_file), 'L')
^  Fail: (214) [user] is_delimiter('L')
   Call: (214) [system] ')'=='L'
   Fail: (214) [system] ')'=='L'
   Call: (214) [system] get_char((0x563acd73bee0), 'L')
   Exit: (214) [system] get_char((0x563acd73bee0), 'L')
   Call: (214) [system] 'L'=(\)
   Fail: (214) [system] 'L'=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _2020022)
   Call: (215) [system] peek_char((0x563acd73bee0), _2020956)
   Exit: (215) [system] peek_char((0x563acd73bee0), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Fail: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_2025676, v('(', ')', end_of_file), i)
   Fail: (216) [system] arg(_2026608, v('(', ')', end_of_file), i)
^  Fail: (215) [user] is_delimiter(i)
   Call: (215) [system] ')'==i
   Fail: (215) [system] ')'==i
   Call: (215) [system] get_char((0x563acd73bee0), i)
   Exit: (215) [system] get_char((0x563acd73bee0), i)
   Call: (215) [system] i=(\)
   Fail: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _2033958)
   Call: (216) [system] peek_char((0x563acd73bee0), _2034892)
   Exit: (216) [system] peek_char((0x563acd73bee0), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_2039612, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_2040544, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x563acd73bee0), n)
   Exit: (216) [system] get_char((0x563acd73bee0), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _2047894)
   Call: (217) [system] peek_char((0x563acd73bee0), _2048828)
   Exit: (217) [system] peek_char((0x563acd73bee0), k)
^  Call: (217) [user] is_delimiter(k)
   Call: (218) [system] char_type(k, space)
   Fail: (218) [system] char_type(k, space)
   Call: (218) [system] arg(_2053548, v('(', ')', end_of_file), k)
   Fail: (218) [system] arg(_2054480, v('(', ')', end_of_file), k)
^  Fail: (217) [user] is_delimiter(k)
   Call: (217) [system] ')'==k
   Fail: (217) [system] ')'==k
   Call: (217) [system] get_char((0x563acd73bee0), k)
   Exit: (217) [system] get_char((0x563acd73bee0), k)
   Call: (217) [system] k=(\)
   Fail: (217) [system] k=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _2061830)
   Call: (218) [system] peek_char((0x563acd73bee0), _2062764)
   Exit: (218) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _2061830=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (217) [system] _2047894=[k]
   Exit: (217) [system] [k]=[k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (216) [system] _2033958=[n, k]
   Exit: (216) [system] [n, k]=[n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (215) [system] _2020022=[i, n, k]
   Exit: (215) [system] [i, n, k]=[i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (214) [system] _2006086=['L', i, n, k]
   Exit: (214) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (213) [system] _1992150=[d, 'L', i, n, k]
   Exit: (213) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, 'L', i, n, k])
   Call: (212) [system] _1978214=[n, d, 'L', i, n, k]
   Exit: (212) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, d, 'L', i, n, k])
^  Call: (211) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1942704)
^  Call: (212) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _2088812)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_2089764, _2089766), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _2088812), _2089746, fail)), '$restore_trace'(_2089764, _2089766))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_2089764, _2089766))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _2088812), _2089746, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_2088812)
   Fail: (213) [system] atomic(_2088812)
   Call: (213) [system] atom_chars(_2088812, ['A', n, d, 'L', i, n, k])
   Exit: (213) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (212) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (212) [system] integer('AndLink')
   Fail: (212) [system] integer('AndLink')
   Call: (212) [system] _4172='AndLink'
   Exit: (212) [system] 'AndLink'='AndLink'
^  Exit: (211) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (210) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'AndLink')
^  Exit: (209) [user] cont_sexpr(')', (0x563acd73bee0), 'AndLink')
^  Call: (209) [user] read_list(')', (0x563acd73bee0), _11246)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _13104)
   Exit: (211) [system] peek_char((0x563acd73bee0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x563acd73bee0), _22698)
   Exit: (211) [system] get_char((0x563acd73bee0), ' ')
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _25402)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'A')
   Call: (212) [system] 'A'=(;)
   Fail: (212) [system] 'A'=(;)
   Call: (212) [system] 'A'=(/)
   Fail: (212) [system] 'A'=(/)
^  Call: (212) [user] is_like_space('A')
   Call: (213) [system] char_type('A', 'white')
   Fail: (213) [system] char_type('A', 'white')
   Call: (213) [system] char_type('A', end_of_line)
   Fail: (213) [system] char_type('A', end_of_line)
   Call: (213) [system] char_type('A', space)
   Fail: (213) [system] char_type('A', space)
   Call: (213) [system] char_type('A', cntrl)
   Fail: (213) [system] char_type('A', cntrl)
^  Fail: (212) [user] is_like_space('A')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _42336)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'A')
   Call: (210) [system] 'A'=')'
   Fail: (210) [system] 'A'=')'
   Call: (210) [system] 'A'=end_of_file
   Fail: (210) [system] 'A'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x563acd73bee0), _47906)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _49764)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'A')
   Call: (212) [system] 'A'=(;)
   Fail: (212) [system] 'A'=(;)
   Call: (212) [system] 'A'=(/)
   Fail: (212) [system] 'A'=(/)
^  Call: (212) [user] is_like_space('A')
   Call: (213) [system] char_type('A', 'white')
   Fail: (213) [system] char_type('A', 'white')
   Call: (213) [system] char_type('A', end_of_line)
   Fail: (213) [system] char_type('A', end_of_line)
   Call: (213) [system] char_type('A', space)
   Fail: (213) [system] char_type('A', space)
   Call: (213) [system] char_type('A', cntrl)
   Fail: (213) [system] char_type('A', cntrl)
^  Fail: (212) [user] is_like_space('A')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] get_char((0x563acd73bee0), _65774)
   Exit: (211) [system] get_char((0x563acd73bee0), 'A')
   Call: (211) [system] 'A'='('
   Fail: (211) [system] 'A'='('
   Call: (211) [system] 'A'='['
   Fail: (211) [system] 'A'='['
   Call: (211) [system] 'A'='{'
   Fail: (211) [system] 'A'='{'
   Call: (211) [system] 'A'='"'
   Fail: (211) [system] 'A'='"'
   Call: (211) [system] 'A'=!
   Fail: (211) [system] 'A'=!
   Call: (211) [system] 'A'='\''
   Fail: (211) [system] 'A'='\''
   Call: (211) [system] 'A'='`'
   Fail: (211) [system] 'A'='`'
   Call: (211) [system] 'A'=end_of_file
   Fail: (211) [system] 'A'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x563acd73bee0), 'A', _47906)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _83416)
   Call: (213) [system] peek_char((0x563acd73bee0), _84350)
   Exit: (213) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (213) [user] is_delimiter(' ')
   Call: (214) [system] char_type(' ', space)
   Exit: (214) [system] char_type(' ', space)
^  Exit: (213) [user] is_delimiter(' ')
   Call: (213) [system] _83416=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (212) [user] classify_and_convert_charseq(['A'], _47906)
^  Call: (213) [user] classify_and_convert_charseq_(['A'], _93634)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_94586, _94588), once(user:catch(read_from_chars(['A'], _93634), _94568, fail)), '$restore_trace'(_94586, _94588))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_94586, _94588))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _93634), _94568, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_93634)
   Fail: (214) [system] atomic(_93634)
   Call: (214) [system] atom_chars(_93634, ['A'])
   Exit: (214) [system] atom_chars('A', ['A'])
^  Exit: (213) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (213) [system] integer('A')
   Fail: (213) [system] integer('A')
   Call: (213) [system] _47906='A'
   Exit: (213) [system] 'A'='A'
^  Exit: (212) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (211) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (210) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (210) [user] read_list(')', (0x563acd73bee0), _108584)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _110442)
   Exit: (212) [system] peek_char((0x563acd73bee0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x563acd73bee0), _120036)
   Exit: (212) [system] get_char((0x563acd73bee0), ' ')
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _122740)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'B')
   Call: (213) [system] 'B'=(;)
   Fail: (213) [system] 'B'=(;)
   Call: (213) [system] 'B'=(/)
   Fail: (213) [system] 'B'=(/)
^  Call: (213) [user] is_like_space('B')
   Call: (214) [system] char_type('B', 'white')
   Fail: (214) [system] char_type('B', 'white')
   Call: (214) [system] char_type('B', end_of_line)
   Fail: (214) [system] char_type('B', end_of_line)
   Call: (214) [system] char_type('B', space)
   Fail: (214) [system] char_type('B', space)
   Call: (214) [system] char_type('B', cntrl)
   Fail: (214) [system] char_type('B', cntrl)
^  Fail: (213) [user] is_like_space('B')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _139674)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'B')
   Call: (211) [system] 'B'=')'
   Fail: (211) [system] 'B'=')'
   Call: (211) [system] 'B'=end_of_file
   Fail: (211) [system] 'B'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x563acd73bee0), _145244)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _147102)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'B')
   Call: (213) [system] 'B'=(;)
   Fail: (213) [system] 'B'=(;)
   Call: (213) [system] 'B'=(/)
   Fail: (213) [system] 'B'=(/)
^  Call: (213) [user] is_like_space('B')
   Call: (214) [system] char_type('B', 'white')
   Fail: (214) [system] char_type('B', 'white')
   Call: (214) [system] char_type('B', end_of_line)
   Fail: (214) [system] char_type('B', end_of_line)
   Call: (214) [system] char_type('B', space)
   Fail: (214) [system] char_type('B', space)
   Call: (214) [system] char_type('B', cntrl)
   Fail: (214) [system] char_type('B', cntrl)
^  Fail: (213) [user] is_like_space('B')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] get_char((0x563acd73bee0), _163112)
   Exit: (212) [system] get_char((0x563acd73bee0), 'B')
   Call: (212) [system] 'B'='('
   Fail: (212) [system] 'B'='('
   Call: (212) [system] 'B'='['
   Fail: (212) [system] 'B'='['
   Call: (212) [system] 'B'='{'
   Fail: (212) [system] 'B'='{'
   Call: (212) [system] 'B'='"'
   Fail: (212) [system] 'B'='"'
   Call: (212) [system] 'B'=!
   Fail: (212) [system] 'B'=!
   Call: (212) [system] 'B'='\''
   Fail: (212) [system] 'B'='\''
   Call: (212) [system] 'B'='`'
   Fail: (212) [system] 'B'='`'
   Call: (212) [system] 'B'=end_of_file
   Fail: (212) [system] 'B'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x563acd73bee0), 'B', _145244)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _180754)
   Call: (214) [system] peek_char((0x563acd73bee0), _181688)
   Exit: (214) [system] peek_char((0x563acd73bee0), ')')
^  Call: (214) [user] is_delimiter(')')
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] arg(_186408, v('(', ')', end_of_file), ')')
   Exit: (215) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (214) [user] is_delimiter(')')
   Call: (214) [system] _180754=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (213) [user] classify_and_convert_charseq(['B'], _145244)
^  Call: (214) [user] classify_and_convert_charseq_(['B'], _192844)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_193796, _193798), once(user:catch(read_from_chars(['B'], _192844), _193778, fail)), '$restore_trace'(_193796, _193798))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_193796, _193798))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _192844), _193778, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_192844)
   Fail: (215) [system] atomic(_192844)
   Call: (215) [system] atom_chars(_192844, ['B'])
   Exit: (215) [system] atom_chars('B', ['B'])
^  Exit: (214) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (214) [system] integer('B')
   Fail: (214) [system] integer('B')
   Call: (214) [system] _145244='B'
   Exit: (214) [system] 'B'='B'
^  Exit: (213) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (212) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (211) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (211) [user] read_list(')', (0x563acd73bee0), _207794)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _209652)
   Exit: (213) [system] peek_char((0x563acd73bee0), ')')
   Call: (213) [system] ')'=(;)
   Fail: (213) [system] ')'=(;)
   Call: (213) [system] ')'=(/)
   Fail: (213) [system] ')'=(/)
^  Call: (213) [user] is_like_space(')')
   Call: (214) [system] char_type(')', 'white')
   Fail: (214) [system] char_type(')', 'white')
   Call: (214) [system] char_type(')', end_of_line)
   Fail: (214) [system] char_type(')', end_of_line)
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] char_type(')', cntrl)
   Fail: (214) [system] char_type(')', cntrl)
^  Fail: (213) [user] is_like_space(')')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _225662)
   Exit: (212) [system] peek_char((0x563acd73bee0), ')')
   Call: (212) [system] ')'=')'
   Exit: (212) [system] ')'=')'
   Call: (212) [system] get_char((0x563acd73bee0), _229452)
   Exit: (212) [system] get_char((0x563acd73bee0), ')')
   Call: (212) [system] _207794=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_list(')', (0x563acd73bee0), [])
   Call: (211) [system] _108584=['B']
   Exit: (211) [system] ['B']=['B']
^  Exit: (210) [user] read_list(')', (0x563acd73bee0), ['B'])
   Call: (210) [system] _11246=['A', 'B']
   Exit: (210) [system] ['A', 'B']=['A', 'B']
^  Exit: (209) [user] read_list(')', (0x563acd73bee0), ['A', 'B'])
   Call: (209) [system] _4166=['AndLink', 'A', 'B']
   Exit: (209) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (208) [user] read_list(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Exit: (207) [user] cont_sexpr(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Call: (207) [user] read_list(')', (0x563acd73bee0), _243334)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _245192)
   Exit: (209) [system] peek_char((0x563acd73bee0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x563acd73bee0), _254786)
   Exit: (209) [system] get_char((0x563acd73bee0), ' ')
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _257490)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'C')
   Call: (210) [system] 'C'=(;)
   Fail: (210) [system] 'C'=(;)
   Call: (210) [system] 'C'=(/)
   Fail: (210) [system] 'C'=(/)
^  Call: (210) [user] is_like_space('C')
   Call: (211) [system] char_type('C', 'white')
   Fail: (211) [system] char_type('C', 'white')
   Call: (211) [system] char_type('C', end_of_line)
   Fail: (211) [system] char_type('C', end_of_line)
   Call: (211) [system] char_type('C', space)
   Fail: (211) [system] char_type('C', space)
   Call: (211) [system] char_type('C', cntrl)
   Fail: (211) [system] char_type('C', cntrl)
^  Fail: (210) [user] is_like_space('C')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _274424)
   Exit: (208) [system] peek_char((0x563acd73bee0), 'C')
   Call: (208) [system] 'C'=')'
   Fail: (208) [system] 'C'=')'
   Call: (208) [system] 'C'=end_of_file
   Fail: (208) [system] 'C'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x563acd73bee0), _279994)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _281852)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'C')
   Call: (210) [system] 'C'=(;)
   Fail: (210) [system] 'C'=(;)
   Call: (210) [system] 'C'=(/)
   Fail: (210) [system] 'C'=(/)
^  Call: (210) [user] is_like_space('C')
   Call: (211) [system] char_type('C', 'white')
   Fail: (211) [system] char_type('C', 'white')
   Call: (211) [system] char_type('C', end_of_line)
   Fail: (211) [system] char_type('C', end_of_line)
   Call: (211) [system] char_type('C', space)
   Fail: (211) [system] char_type('C', space)
   Call: (211) [system] char_type('C', cntrl)
   Fail: (211) [system] char_type('C', cntrl)
^  Fail: (210) [user] is_like_space('C')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] get_char((0x563acd73bee0), _297862)
   Exit: (209) [system] get_char((0x563acd73bee0), 'C')
   Call: (209) [system] 'C'='('
   Fail: (209) [system] 'C'='('
   Call: (209) [system] 'C'='['
   Fail: (209) [system] 'C'='['
   Call: (209) [system] 'C'='{'
   Fail: (209) [system] 'C'='{'
   Call: (209) [system] 'C'='"'
   Fail: (209) [system] 'C'='"'
   Call: (209) [system] 'C'=!
   Fail: (209) [system] 'C'=!
   Call: (209) [system] 'C'='\''
   Fail: (209) [system] 'C'='\''
   Call: (209) [system] 'C'='`'
   Fail: (209) [system] 'C'='`'
   Call: (209) [system] 'C'=end_of_file
   Fail: (209) [system] 'C'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x563acd73bee0), 'C', _279994)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _315504)
   Call: (211) [system] peek_char((0x563acd73bee0), _316438)
   Exit: (211) [system] peek_char((0x563acd73bee0), ')')
^  Call: (211) [user] is_delimiter(')')
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] arg(_321158, v('(', ')', end_of_file), ')')
   Exit: (212) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (211) [user] is_delimiter(')')
   Call: (211) [system] _315504=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (210) [user] classify_and_convert_charseq(['C'], _279994)
^  Call: (211) [user] classify_and_convert_charseq_(['C'], _327594)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_328546, _328548), once(user:catch(read_from_chars(['C'], _327594), _328528, fail)), '$restore_trace'(_328546, _328548))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_328546, _328548))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _327594), _328528, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_327594)
   Fail: (212) [system] atomic(_327594)
   Call: (212) [system] atom_chars(_327594, ['C'])
   Exit: (212) [system] atom_chars('C', ['C'])
^  Exit: (211) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (211) [system] integer('C')
   Fail: (211) [system] integer('C')
   Call: (211) [system] _279994='C'
   Exit: (211) [system] 'C'='C'
^  Exit: (210) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (209) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (208) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (208) [user] read_list(')', (0x563acd73bee0), _342544)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _344402)
   Exit: (210) [system] peek_char((0x563acd73bee0), ')')
   Call: (210) [system] ')'=(;)
   Fail: (210) [system] ')'=(;)
   Call: (210) [system] ')'=(/)
   Fail: (210) [system] ')'=(/)
^  Call: (210) [user] is_like_space(')')
   Call: (211) [system] char_type(')', 'white')
   Fail: (211) [system] char_type(')', 'white')
   Call: (211) [system] char_type(')', end_of_line)
   Fail: (211) [system] char_type(')', end_of_line)
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] char_type(')', cntrl)
   Fail: (211) [system] char_type(')', cntrl)
^  Fail: (210) [user] is_like_space(')')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _360412)
   Exit: (209) [system] peek_char((0x563acd73bee0), ')')
   Call: (209) [system] ')'=')'
   Exit: (209) [system] ')'=')'
   Call: (209) [system] get_char((0x563acd73bee0), _364202)
   Exit: (209) [system] get_char((0x563acd73bee0), ')')
   Call: (209) [system] _342544=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_list(')', (0x563acd73bee0), [])
   Call: (208) [system] _243334=['C']
   Exit: (208) [system] ['C']=['C']
^  Exit: (207) [user] read_list(')', (0x563acd73bee0), ['C'])
   Call: (207) [system] _4162=[['AndLink', 'A', 'B'], 'C']
   Exit: (207) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (206) [user] read_list(')', (0x563acd73bee0), [['AndLink', 'A', 'B'], 'C'])
   Call: (206) [system] _4154=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (206) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (205) [user] read_list(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (204) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (204) [user] read_list(')', (0x563acd73bee0), _378084)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _379942)
   Exit: (206) [system] peek_char((0x563acd73bee0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
   Call: (206) [system] ' '=(/)
   Fail: (206) [system] ' '=(/)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x563acd73bee0), _389536)
   Exit: (206) [system] get_char((0x563acd73bee0), ' ')
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _392240)
   Exit: (207) [system] peek_char((0x563acd73bee0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _409174)
   Exit: (205) [system] peek_char((0x563acd73bee0), '(')
   Call: (205) [system] '('=')'
   Fail: (205) [system] '('=')'
   Call: (205) [system] '('=end_of_file
   Fail: (205) [system] '('=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x563acd73bee0), _414744)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _416602)
   Exit: (207) [system] peek_char((0x563acd73bee0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] get_char((0x563acd73bee0), _432612)
   Exit: (206) [system] get_char((0x563acd73bee0), '(')
   Call: (206) [system] '('='('
   Exit: (206) [system] '('='('
^  Call: (206) [user] read_list(')', (0x563acd73bee0), _414744)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _438182)
   Exit: (208) [system] peek_char((0x563acd73bee0), 'O')
   Call: (208) [system] 'O'=(;)
   Fail: (208) [system] 'O'=(;)
   Call: (208) [system] 'O'=(/)
   Fail: (208) [system] 'O'=(/)
^  Call: (208) [user] is_like_space('O')
   Call: (209) [system] char_type('O', 'white')
   Fail: (209) [system] char_type('O', 'white')
   Call: (209) [system] char_type('O', end_of_line)
   Fail: (209) [system] char_type('O', end_of_line)
   Call: (209) [system] char_type('O', space)
   Fail: (209) [system] char_type('O', space)
   Call: (209) [system] char_type('O', cntrl)
   Fail: (209) [system] char_type('O', cntrl)
^  Fail: (208) [user] is_like_space('O')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _454192)
   Exit: (207) [system] peek_char((0x563acd73bee0), 'O')
   Call: (207) [system] 'O'=')'
   Fail: (207) [system] 'O'=')'
   Call: (207) [system] 'O'=end_of_file
   Fail: (207) [system] 'O'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x563acd73bee0), _459762)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _461620)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'O')
   Call: (209) [system] 'O'=(;)
   Fail: (209) [system] 'O'=(;)
   Call: (209) [system] 'O'=(/)
   Fail: (209) [system] 'O'=(/)
^  Call: (209) [user] is_like_space('O')
   Call: (210) [system] char_type('O', 'white')
   Fail: (210) [system] char_type('O', 'white')
   Call: (210) [system] char_type('O', end_of_line)
   Fail: (210) [system] char_type('O', end_of_line)
   Call: (210) [system] char_type('O', space)
   Fail: (210) [system] char_type('O', space)
   Call: (210) [system] char_type('O', cntrl)
   Fail: (210) [system] char_type('O', cntrl)
^  Fail: (209) [user] is_like_space('O')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] get_char((0x563acd73bee0), _477630)
   Exit: (208) [system] get_char((0x563acd73bee0), 'O')
   Call: (208) [system] 'O'='('
   Fail: (208) [system] 'O'='('
   Call: (208) [system] 'O'='['
   Fail: (208) [system] 'O'='['
   Call: (208) [system] 'O'='{'
   Fail: (208) [system] 'O'='{'
   Call: (208) [system] 'O'='"'
   Fail: (208) [system] 'O'='"'
   Call: (208) [system] 'O'=!
   Fail: (208) [system] 'O'=!
   Call: (208) [system] 'O'='\''
   Fail: (208) [system] 'O'='\''
   Call: (208) [system] 'O'='`'
   Fail: (208) [system] 'O'='`'
   Call: (208) [system] 'O'=end_of_file
   Fail: (208) [system] 'O'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x563acd73bee0), 'O', _459762)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _495272)
   Call: (210) [system] peek_char((0x563acd73bee0), _496206)
   Exit: (210) [system] peek_char((0x563acd73bee0), r)
^  Call: (210) [user] is_delimiter(r)
   Call: (211) [system] char_type(r, space)
   Fail: (211) [system] char_type(r, space)
   Call: (211) [system] arg(_500926, v('(', ')', end_of_file), r)
   Fail: (211) [system] arg(_501858, v('(', ')', end_of_file), r)
^  Fail: (210) [user] is_delimiter(r)
   Call: (210) [system] ')'==r
   Fail: (210) [system] ')'==r
   Call: (210) [system] get_char((0x563acd73bee0), r)
   Exit: (210) [system] get_char((0x563acd73bee0), r)
   Call: (210) [system] r=(\)
   Fail: (210) [system] r=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _509208)
   Call: (211) [system] peek_char((0x563acd73bee0), _510142)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (211) [user] is_delimiter('L')
   Call: (212) [system] char_type('L', space)
   Fail: (212) [system] char_type('L', space)
   Call: (212) [system] arg(_514862, v('(', ')', end_of_file), 'L')
   Fail: (212) [system] arg(_515794, v('(', ')', end_of_file), 'L')
^  Fail: (211) [user] is_delimiter('L')
   Call: (211) [system] ')'=='L'
   Fail: (211) [system] ')'=='L'
   Call: (211) [system] get_char((0x563acd73bee0), 'L')
   Exit: (211) [system] get_char((0x563acd73bee0), 'L')
   Call: (211) [system] 'L'=(\)
   Fail: (211) [system] 'L'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _523144)
   Call: (212) [system] peek_char((0x563acd73bee0), _524078)
   Exit: (212) [system] peek_char((0x563acd73bee0), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_528798, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_529730, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x563acd73bee0), i)
   Exit: (212) [system] get_char((0x563acd73bee0), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _537080)
   Call: (213) [system] peek_char((0x563acd73bee0), _538014)
   Exit: (213) [system] peek_char((0x563acd73bee0), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_542734, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_543666, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x563acd73bee0), n)
   Exit: (213) [system] get_char((0x563acd73bee0), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _551016)
   Call: (214) [system] peek_char((0x563acd73bee0), _551950)
   Exit: (214) [system] peek_char((0x563acd73bee0), k)
^  Call: (214) [user] is_delimiter(k)
   Call: (215) [system] char_type(k, space)
   Fail: (215) [system] char_type(k, space)
   Call: (215) [system] arg(_556670, v('(', ')', end_of_file), k)
   Fail: (215) [system] arg(_557602, v('(', ')', end_of_file), k)
^  Fail: (214) [user] is_delimiter(k)
   Call: (214) [system] ')'==k
   Fail: (214) [system] ')'==k
   Call: (214) [system] get_char((0x563acd73bee0), k)
   Exit: (214) [system] get_char((0x563acd73bee0), k)
   Call: (214) [system] k=(\)
   Fail: (214) [system] k=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _564952)
   Call: (215) [system] peek_char((0x563acd73bee0), _565886)
   Exit: (215) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _564952=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (214) [system] _551016=[k]
   Exit: (214) [system] [k]=[k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (213) [system] _537080=[n, k]
   Exit: (213) [system] [n, k]=[n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (212) [system] _523144=[i, n, k]
   Exit: (212) [system] [i, n, k]=[i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (211) [system] _509208=['L', i, n, k]
   Exit: (211) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (210) [system] _495272=[r, 'L', i, n, k]
   Exit: (210) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (209) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _459762)
^  Call: (210) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _589140)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_590092, _590094), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _589140), _590074, fail)), '$restore_trace'(_590092, _590094))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_590092, _590094))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _589140), _590074, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_589140)
   Fail: (211) [system] atomic(_589140)
   Call: (211) [system] atom_chars(_589140, ['O', r, 'L', i, n, k])
   Exit: (211) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (210) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (210) [system] integer('OrLink')
   Fail: (210) [system] integer('OrLink')
   Call: (210) [system] _459762='OrLink'
   Exit: (210) [system] 'OrLink'='OrLink'
^  Exit: (209) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (208) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (207) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (207) [user] read_list(')', (0x563acd73bee0), _604090)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _605948)
   Exit: (209) [system] peek_char((0x563acd73bee0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x563acd73bee0), _615542)
   Exit: (209) [system] get_char((0x563acd73bee0), ' ')
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _618246)
   Exit: (210) [system] peek_char((0x563acd73bee0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _635180)
   Exit: (208) [system] peek_char((0x563acd73bee0), '(')
   Call: (208) [system] '('=')'
   Fail: (208) [system] '('=')'
   Call: (208) [system] '('=end_of_file
   Fail: (208) [system] '('=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x563acd73bee0), _640750)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _642608)
   Exit: (210) [system] peek_char((0x563acd73bee0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] get_char((0x563acd73bee0), _658618)
   Exit: (209) [system] get_char((0x563acd73bee0), '(')
   Call: (209) [system] '('='('
   Exit: (209) [system] '('='('
^  Call: (209) [user] read_list(')', (0x563acd73bee0), _640750)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _664188)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'I')
   Call: (211) [system] 'I'=(;)
   Fail: (211) [system] 'I'=(;)
   Call: (211) [system] 'I'=(/)
   Fail: (211) [system] 'I'=(/)
^  Call: (211) [user] is_like_space('I')
   Call: (212) [system] char_type('I', 'white')
   Fail: (212) [system] char_type('I', 'white')
   Call: (212) [system] char_type('I', end_of_line)
   Fail: (212) [system] char_type('I', end_of_line)
   Call: (212) [system] char_type('I', space)
   Fail: (212) [system] char_type('I', space)
   Call: (212) [system] char_type('I', cntrl)
   Fail: (212) [system] char_type('I', cntrl)
^  Fail: (211) [user] is_like_space('I')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _680198)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'I')
   Call: (210) [system] 'I'=')'
   Fail: (210) [system] 'I'=')'
   Call: (210) [system] 'I'=end_of_file
   Fail: (210) [system] 'I'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x563acd73bee0), _685768)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _687626)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'I')
   Call: (212) [system] 'I'=(;)
   Fail: (212) [system] 'I'=(;)
   Call: (212) [system] 'I'=(/)
   Fail: (212) [system] 'I'=(/)
^  Call: (212) [user] is_like_space('I')
   Call: (213) [system] char_type('I', 'white')
   Fail: (213) [system] char_type('I', 'white')
   Call: (213) [system] char_type('I', end_of_line)
   Fail: (213) [system] char_type('I', end_of_line)
   Call: (213) [system] char_type('I', space)
   Fail: (213) [system] char_type('I', space)
   Call: (213) [system] char_type('I', cntrl)
   Fail: (213) [system] char_type('I', cntrl)
^  Fail: (212) [user] is_like_space('I')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] get_char((0x563acd73bee0), _703636)
   Exit: (211) [system] get_char((0x563acd73bee0), 'I')
   Call: (211) [system] 'I'='('
   Fail: (211) [system] 'I'='('
   Call: (211) [system] 'I'='['
   Fail: (211) [system] 'I'='['
   Call: (211) [system] 'I'='{'
   Fail: (211) [system] 'I'='{'
   Call: (211) [system] 'I'='"'
   Fail: (211) [system] 'I'='"'
   Call: (211) [system] 'I'=!
   Fail: (211) [system] 'I'=!
   Call: (211) [system] 'I'='\''
   Fail: (211) [system] 'I'='\''
   Call: (211) [system] 'I'='`'
   Fail: (211) [system] 'I'='`'
   Call: (211) [system] 'I'=end_of_file
   Fail: (211) [system] 'I'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x563acd73bee0), 'I', _685768)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _721278)
   Call: (213) [system] peek_char((0x563acd73bee0), _722212)
   Exit: (213) [system] peek_char((0x563acd73bee0), m)
^  Call: (213) [user] is_delimiter(m)
   Call: (214) [system] char_type(m, space)
   Fail: (214) [system] char_type(m, space)
   Call: (214) [system] arg(_726932, v('(', ')', end_of_file), m)
   Fail: (214) [system] arg(_727864, v('(', ')', end_of_file), m)
^  Fail: (213) [user] is_delimiter(m)
   Call: (213) [system] ')'==m
   Fail: (213) [system] ')'==m
   Call: (213) [system] get_char((0x563acd73bee0), m)
   Exit: (213) [system] get_char((0x563acd73bee0), m)
   Call: (213) [system] m=(\)
   Fail: (213) [system] m=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _735214)
   Call: (214) [system] peek_char((0x563acd73bee0), _736148)
   Exit: (214) [system] peek_char((0x563acd73bee0), p)
^  Call: (214) [user] is_delimiter(p)
   Call: (215) [system] char_type(p, space)
   Fail: (215) [system] char_type(p, space)
   Call: (215) [system] arg(_740868, v('(', ')', end_of_file), p)
   Fail: (215) [system] arg(_741800, v('(', ')', end_of_file), p)
^  Fail: (214) [user] is_delimiter(p)
   Call: (214) [system] ')'==p
   Fail: (214) [system] ')'==p
   Call: (214) [system] get_char((0x563acd73bee0), p)
   Exit: (214) [system] get_char((0x563acd73bee0), p)
   Call: (214) [system] p=(\)
   Fail: (214) [system] p=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _749150)
   Call: (215) [system] peek_char((0x563acd73bee0), _750084)
   Exit: (215) [system] peek_char((0x563acd73bee0), l)
^  Call: (215) [user] is_delimiter(l)
   Call: (216) [system] char_type(l, space)
   Fail: (216) [system] char_type(l, space)
   Call: (216) [system] arg(_754804, v('(', ')', end_of_file), l)
   Fail: (216) [system] arg(_755736, v('(', ')', end_of_file), l)
^  Fail: (215) [user] is_delimiter(l)
   Call: (215) [system] ')'==l
   Fail: (215) [system] ')'==l
   Call: (215) [system] get_char((0x563acd73bee0), l)
   Exit: (215) [system] get_char((0x563acd73bee0), l)
   Call: (215) [system] l=(\)
   Fail: (215) [system] l=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _763086)
   Call: (216) [system] peek_char((0x563acd73bee0), _764020)
   Exit: (216) [system] peek_char((0x563acd73bee0), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Fail: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_768740, v('(', ')', end_of_file), i)
   Fail: (217) [system] arg(_769672, v('(', ')', end_of_file), i)
^  Fail: (216) [user] is_delimiter(i)
   Call: (216) [system] ')'==i
   Fail: (216) [system] ')'==i
   Call: (216) [system] get_char((0x563acd73bee0), i)
   Exit: (216) [system] get_char((0x563acd73bee0), i)
   Call: (216) [system] i=(\)
   Fail: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _777022)
   Call: (217) [system] peek_char((0x563acd73bee0), _777956)
   Exit: (217) [system] peek_char((0x563acd73bee0), c)
^  Call: (217) [user] is_delimiter(c)
   Call: (218) [system] char_type(c, space)
   Fail: (218) [system] char_type(c, space)
   Call: (218) [system] arg(_782676, v('(', ')', end_of_file), c)
   Fail: (218) [system] arg(_783608, v('(', ')', end_of_file), c)
^  Fail: (217) [user] is_delimiter(c)
   Call: (217) [system] ')'==c
   Fail: (217) [system] ')'==c
   Call: (217) [system] get_char((0x563acd73bee0), c)
   Exit: (217) [system] get_char((0x563acd73bee0), c)
   Call: (217) [system] c=(\)
   Fail: (217) [system] c=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _790958)
   Call: (218) [system] peek_char((0x563acd73bee0), _791892)
   Exit: (218) [system] peek_char((0x563acd73bee0), a)
^  Call: (218) [user] is_delimiter(a)
   Call: (219) [system] char_type(a, space)
   Fail: (219) [system] char_type(a, space)
   Call: (219) [system] arg(_796612, v('(', ')', end_of_file), a)
   Fail: (219) [system] arg(_797544, v('(', ')', end_of_file), a)
^  Fail: (218) [user] is_delimiter(a)
   Call: (218) [system] ')'==a
   Fail: (218) [system] ')'==a
   Call: (218) [system] get_char((0x563acd73bee0), a)
   Exit: (218) [system] get_char((0x563acd73bee0), a)
   Call: (218) [system] a=(\)
   Fail: (218) [system] a=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _804894)
   Call: (219) [system] peek_char((0x563acd73bee0), _805828)
   Exit: (219) [system] peek_char((0x563acd73bee0), t)
^  Call: (219) [user] is_delimiter(t)
   Call: (220) [system] char_type(t, space)
   Fail: (220) [system] char_type(t, space)
   Call: (220) [system] arg(_810548, v('(', ')', end_of_file), t)
   Fail: (220) [system] arg(_811480, v('(', ')', end_of_file), t)
^  Fail: (219) [user] is_delimiter(t)
   Call: (219) [system] ')'==t
   Fail: (219) [system] ')'==t
   Call: (219) [system] get_char((0x563acd73bee0), t)
   Exit: (219) [system] get_char((0x563acd73bee0), t)
   Call: (219) [system] t=(\)
   Fail: (219) [system] t=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _818830)
   Call: (220) [system] peek_char((0x563acd73bee0), _819764)
   Exit: (220) [system] peek_char((0x563acd73bee0), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_824484, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_825416, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x563acd73bee0), i)
   Exit: (220) [system] get_char((0x563acd73bee0), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _832766)
   Call: (221) [system] peek_char((0x563acd73bee0), _833700)
   Exit: (221) [system] peek_char((0x563acd73bee0), o)
^  Call: (221) [user] is_delimiter(o)
   Call: (222) [system] char_type(o, space)
   Fail: (222) [system] char_type(o, space)
   Call: (222) [system] arg(_838420, v('(', ')', end_of_file), o)
   Fail: (222) [system] arg(_839352, v('(', ')', end_of_file), o)
^  Fail: (221) [user] is_delimiter(o)
   Call: (221) [system] ')'==o
   Fail: (221) [system] ')'==o
   Call: (221) [system] get_char((0x563acd73bee0), o)
   Exit: (221) [system] get_char((0x563acd73bee0), o)
   Call: (221) [system] o=(\)
   Fail: (221) [system] o=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _846702)
   Call: (222) [system] peek_char((0x563acd73bee0), _847636)
   Exit: (222) [system] peek_char((0x563acd73bee0), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_852356, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_853288, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x563acd73bee0), n)
   Exit: (222) [system] get_char((0x563acd73bee0), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _860638)
   Call: (223) [system] peek_char((0x563acd73bee0), _861572)
   Exit: (223) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _860638=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (222) [system] _846702=[n]
   Exit: (222) [system] [n]=[n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (221) [system] _832766=[o, n]
   Exit: (221) [system] [o, n]=[o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (220) [system] _818830=[i, o, n]
   Exit: (220) [system] [i, o, n]=[i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (219) [system] _804894=[t, i, o, n]
   Exit: (219) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (218) [system] _790958=[a, t, i, o, n]
   Exit: (218) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (217) [system] _777022=[c, a, t, i, o, n]
   Exit: (217) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (216) [system] _763086=[i, c, a, t, i, o, n]
   Exit: (216) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (215) [system] _749150=[l, i, c, a, t, i, o, n]
   Exit: (215) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (214) [system] _735214=[p, l, i, c, a, t, i, o, n]
   Exit: (214) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (213) [system] _721278=[m, p, l, i, c, a, t, i, o, n]
   Exit: (213) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (212) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _685768)
^  Call: (213) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _898796)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_899748, _899750), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _898796), _899730, fail)), '$restore_trace'(_899748, _899750))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_899748, _899750))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _898796), _899730, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_898796)
   Fail: (214) [system] atomic(_898796)
   Call: (214) [system] atom_chars(_898796, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (214) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (213) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (213) [system] integer('Implication')
   Fail: (213) [system] integer('Implication')
   Call: (213) [system] _685768='Implication'
   Exit: (213) [system] 'Implication'='Implication'
^  Exit: (212) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (211) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (210) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (210) [user] read_list(')', (0x563acd73bee0), _913746)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _915604)
   Exit: (212) [system] peek_char((0x563acd73bee0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x563acd73bee0), _925198)
   Exit: (212) [system] get_char((0x563acd73bee0), ' ')
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _927902)
   Exit: (213) [system] peek_char((0x563acd73bee0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _944836)
   Exit: (211) [system] peek_char((0x563acd73bee0), '(')
   Call: (211) [system] '('=')'
   Fail: (211) [system] '('=')'
   Call: (211) [system] '('=end_of_file
   Fail: (211) [system] '('=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x563acd73bee0), _950406)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _952264)
   Exit: (213) [system] peek_char((0x563acd73bee0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] get_char((0x563acd73bee0), _968274)
   Exit: (212) [system] get_char((0x563acd73bee0), '(')
   Call: (212) [system] '('='('
   Exit: (212) [system] '('='('
^  Call: (212) [user] read_list(')', (0x563acd73bee0), _950406)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _973844)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'A')
   Call: (214) [system] 'A'=(;)
   Fail: (214) [system] 'A'=(;)
   Call: (214) [system] 'A'=(/)
   Fail: (214) [system] 'A'=(/)
^  Call: (214) [user] is_like_space('A')
   Call: (215) [system] char_type('A', 'white')
   Fail: (215) [system] char_type('A', 'white')
   Call: (215) [system] char_type('A', end_of_line)
   Fail: (215) [system] char_type('A', end_of_line)
   Call: (215) [system] char_type('A', space)
   Fail: (215) [system] char_type('A', space)
   Call: (215) [system] char_type('A', cntrl)
   Fail: (215) [system] char_type('A', cntrl)
^  Fail: (214) [user] is_like_space('A')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _989854)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'A')
   Call: (213) [system] 'A'=')'
   Fail: (213) [system] 'A'=')'
   Call: (213) [system] 'A'=end_of_file
   Fail: (213) [system] 'A'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x563acd73bee0), _995424)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _997282)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'A')
   Call: (215) [system] 'A'=(;)
   Fail: (215) [system] 'A'=(;)
   Call: (215) [system] 'A'=(/)
   Fail: (215) [system] 'A'=(/)
^  Call: (215) [user] is_like_space('A')
   Call: (216) [system] char_type('A', 'white')
   Fail: (216) [system] char_type('A', 'white')
   Call: (216) [system] char_type('A', end_of_line)
   Fail: (216) [system] char_type('A', end_of_line)
   Call: (216) [system] char_type('A', space)
   Fail: (216) [system] char_type('A', space)
   Call: (216) [system] char_type('A', cntrl)
   Fail: (216) [system] char_type('A', cntrl)
^  Fail: (215) [user] is_like_space('A')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] get_char((0x563acd73bee0), _1013292)
   Exit: (214) [system] get_char((0x563acd73bee0), 'A')
   Call: (214) [system] 'A'='('
   Fail: (214) [system] 'A'='('
   Call: (214) [system] 'A'='['
   Fail: (214) [system] 'A'='['
   Call: (214) [system] 'A'='{'
   Fail: (214) [system] 'A'='{'
   Call: (214) [system] 'A'='"'
   Fail: (214) [system] 'A'='"'
   Call: (214) [system] 'A'=!
   Fail: (214) [system] 'A'=!
   Call: (214) [system] 'A'='\''
   Fail: (214) [system] 'A'='\''
   Call: (214) [system] 'A'='`'
   Fail: (214) [system] 'A'='`'
   Call: (214) [system] 'A'=end_of_file
   Fail: (214) [system] 'A'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x563acd73bee0), 'A', _995424)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _1030934)
   Call: (216) [system] peek_char((0x563acd73bee0), _1031868)
   Exit: (216) [system] peek_char((0x563acd73bee0), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_1036588, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_1037520, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x563acd73bee0), n)
   Exit: (216) [system] get_char((0x563acd73bee0), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _1044870)
   Call: (217) [system] peek_char((0x563acd73bee0), _1045804)
   Exit: (217) [system] peek_char((0x563acd73bee0), d)
^  Call: (217) [user] is_delimiter(d)
   Call: (218) [system] char_type(d, space)
   Fail: (218) [system] char_type(d, space)
   Call: (218) [system] arg(_1050524, v('(', ')', end_of_file), d)
   Fail: (218) [system] arg(_1051456, v('(', ')', end_of_file), d)
^  Fail: (217) [user] is_delimiter(d)
   Call: (217) [system] ')'==d
   Fail: (217) [system] ')'==d
   Call: (217) [system] get_char((0x563acd73bee0), d)
   Exit: (217) [system] get_char((0x563acd73bee0), d)
   Call: (217) [system] d=(\)
   Fail: (217) [system] d=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _1058806)
   Call: (218) [system] peek_char((0x563acd73bee0), _1059740)
   Exit: (218) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (218) [user] is_delimiter('L')
   Call: (219) [system] char_type('L', space)
   Fail: (219) [system] char_type('L', space)
   Call: (219) [system] arg(_1064460, v('(', ')', end_of_file), 'L')
   Fail: (219) [system] arg(_1065392, v('(', ')', end_of_file), 'L')
^  Fail: (218) [user] is_delimiter('L')
   Call: (218) [system] ')'=='L'
   Fail: (218) [system] ')'=='L'
   Call: (218) [system] get_char((0x563acd73bee0), 'L')
   Exit: (218) [system] get_char((0x563acd73bee0), 'L')
   Call: (218) [system] 'L'=(\)
   Fail: (218) [system] 'L'=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _1072742)
   Call: (219) [system] peek_char((0x563acd73bee0), _1073676)
   Exit: (219) [system] peek_char((0x563acd73bee0), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Fail: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_1078396, v('(', ')', end_of_file), i)
   Fail: (220) [system] arg(_1079328, v('(', ')', end_of_file), i)
^  Fail: (219) [user] is_delimiter(i)
   Call: (219) [system] ')'==i
   Fail: (219) [system] ')'==i
   Call: (219) [system] get_char((0x563acd73bee0), i)
   Exit: (219) [system] get_char((0x563acd73bee0), i)
   Call: (219) [system] i=(\)
   Fail: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _1086678)
   Call: (220) [system] peek_char((0x563acd73bee0), _1087612)
   Exit: (220) [system] peek_char((0x563acd73bee0), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_1092332, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_1093264, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x563acd73bee0), n)
   Exit: (220) [system] get_char((0x563acd73bee0), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _1100614)
   Call: (221) [system] peek_char((0x563acd73bee0), _1101548)
   Exit: (221) [system] peek_char((0x563acd73bee0), k)
^  Call: (221) [user] is_delimiter(k)
   Call: (222) [system] char_type(k, space)
   Fail: (222) [system] char_type(k, space)
   Call: (222) [system] arg(_1106268, v('(', ')', end_of_file), k)
   Fail: (222) [system] arg(_1107200, v('(', ')', end_of_file), k)
^  Fail: (221) [user] is_delimiter(k)
   Call: (221) [system] ')'==k
   Fail: (221) [system] ')'==k
   Call: (221) [system] get_char((0x563acd73bee0), k)
   Exit: (221) [system] get_char((0x563acd73bee0), k)
   Call: (221) [system] k=(\)
   Fail: (221) [system] k=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _1114550)
   Call: (222) [system] peek_char((0x563acd73bee0), _1115484)
   Exit: (222) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _1114550=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (221) [system] _1100614=[k]
   Exit: (221) [system] [k]=[k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (220) [system] _1086678=[n, k]
   Exit: (220) [system] [n, k]=[n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (219) [system] _1072742=[i, n, k]
   Exit: (219) [system] [i, n, k]=[i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (218) [system] _1058806=['L', i, n, k]
   Exit: (218) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (217) [system] _1044870=[d, 'L', i, n, k]
   Exit: (217) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, 'L', i, n, k])
   Call: (216) [system] _1030934=[n, d, 'L', i, n, k]
   Exit: (216) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, d, 'L', i, n, k])
^  Call: (215) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _995424)
^  Call: (216) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1141532)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1142484, _1142486), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1141532), _1142466, fail)), '$restore_trace'(_1142484, _1142486))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1142484, _1142486))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1141532), _1142466, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_1141532)
   Fail: (217) [system] atomic(_1141532)
   Call: (217) [system] atom_chars(_1141532, ['A', n, d, 'L', i, n, k])
   Exit: (217) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (216) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (216) [system] integer('AndLink')
   Fail: (216) [system] integer('AndLink')
   Call: (216) [system] _995424='AndLink'
   Exit: (216) [system] 'AndLink'='AndLink'
^  Exit: (215) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (214) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'AndLink')
^  Exit: (213) [user] cont_sexpr(')', (0x563acd73bee0), 'AndLink')
^  Call: (213) [user] read_list(')', (0x563acd73bee0), _1156482)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1158340)
   Exit: (215) [system] peek_char((0x563acd73bee0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x563acd73bee0), _1167934)
   Exit: (215) [system] get_char((0x563acd73bee0), ' ')
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1170638)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'A')
   Call: (216) [system] 'A'=(;)
   Fail: (216) [system] 'A'=(;)
   Call: (216) [system] 'A'=(/)
   Fail: (216) [system] 'A'=(/)
^  Call: (216) [user] is_like_space('A')
   Call: (217) [system] char_type('A', 'white')
   Fail: (217) [system] char_type('A', 'white')
   Call: (217) [system] char_type('A', end_of_line)
   Fail: (217) [system] char_type('A', end_of_line)
   Call: (217) [system] char_type('A', space)
   Fail: (217) [system] char_type('A', space)
   Call: (217) [system] char_type('A', cntrl)
   Fail: (217) [system] char_type('A', cntrl)
^  Fail: (216) [user] is_like_space('A')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1187572)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'A')
   Call: (214) [system] 'A'=')'
   Fail: (214) [system] 'A'=')'
   Call: (214) [system] 'A'=end_of_file
   Fail: (214) [system] 'A'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x563acd73bee0), _1193142)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1195000)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'A')
   Call: (216) [system] 'A'=(;)
   Fail: (216) [system] 'A'=(;)
   Call: (216) [system] 'A'=(/)
   Fail: (216) [system] 'A'=(/)
^  Call: (216) [user] is_like_space('A')
   Call: (217) [system] char_type('A', 'white')
   Fail: (217) [system] char_type('A', 'white')
   Call: (217) [system] char_type('A', end_of_line)
   Fail: (217) [system] char_type('A', end_of_line)
   Call: (217) [system] char_type('A', space)
   Fail: (217) [system] char_type('A', space)
   Call: (217) [system] char_type('A', cntrl)
   Fail: (217) [system] char_type('A', cntrl)
^  Fail: (216) [user] is_like_space('A')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] get_char((0x563acd73bee0), _1211010)
   Exit: (215) [system] get_char((0x563acd73bee0), 'A')
   Call: (215) [system] 'A'='('
   Fail: (215) [system] 'A'='('
   Call: (215) [system] 'A'='['
   Fail: (215) [system] 'A'='['
   Call: (215) [system] 'A'='{'
   Fail: (215) [system] 'A'='{'
   Call: (215) [system] 'A'='"'
   Fail: (215) [system] 'A'='"'
   Call: (215) [system] 'A'=!
   Fail: (215) [system] 'A'=!
   Call: (215) [system] 'A'='\''
   Fail: (215) [system] 'A'='\''
   Call: (215) [system] 'A'='`'
   Fail: (215) [system] 'A'='`'
   Call: (215) [system] 'A'=end_of_file
   Fail: (215) [system] 'A'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x563acd73bee0), 'A', _1193142)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _1228652)
   Call: (217) [system] peek_char((0x563acd73bee0), _1229586)
   Exit: (217) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _1228652=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (216) [user] classify_and_convert_charseq(['A'], _1193142)
^  Call: (217) [user] classify_and_convert_charseq_(['A'], _1238870)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1239822, _1239824), once(user:catch(read_from_chars(['A'], _1238870), _1239804, fail)), '$restore_trace'(_1239822, _1239824))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1239822, _1239824))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1238870), _1239804, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_1238870)
   Fail: (218) [system] atomic(_1238870)
   Call: (218) [system] atom_chars(_1238870, ['A'])
   Exit: (218) [system] atom_chars('A', ['A'])
^  Exit: (217) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (217) [system] integer('A')
   Fail: (217) [system] integer('A')
   Call: (217) [system] _1193142='A'
   Exit: (217) [system] 'A'='A'
^  Exit: (216) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (215) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (214) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (214) [user] read_list(')', (0x563acd73bee0), _1253820)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1255678)
   Exit: (216) [system] peek_char((0x563acd73bee0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x563acd73bee0), _1265272)
   Exit: (216) [system] get_char((0x563acd73bee0), ' ')
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1267976)
   Exit: (217) [system] peek_char((0x563acd73bee0), 'B')
   Call: (217) [system] 'B'=(;)
   Fail: (217) [system] 'B'=(;)
   Call: (217) [system] 'B'=(/)
   Fail: (217) [system] 'B'=(/)
^  Call: (217) [user] is_like_space('B')
   Call: (218) [system] char_type('B', 'white')
   Fail: (218) [system] char_type('B', 'white')
   Call: (218) [system] char_type('B', end_of_line)
   Fail: (218) [system] char_type('B', end_of_line)
   Call: (218) [system] char_type('B', space)
   Fail: (218) [system] char_type('B', space)
   Call: (218) [system] char_type('B', cntrl)
   Fail: (218) [system] char_type('B', cntrl)
^  Fail: (217) [user] is_like_space('B')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1284910)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'B')
   Call: (215) [system] 'B'=')'
   Fail: (215) [system] 'B'=')'
   Call: (215) [system] 'B'=end_of_file
   Fail: (215) [system] 'B'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x563acd73bee0), _1290480)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1292338)
   Exit: (217) [system] peek_char((0x563acd73bee0), 'B')
   Call: (217) [system] 'B'=(;)
   Fail: (217) [system] 'B'=(;)
   Call: (217) [system] 'B'=(/)
   Fail: (217) [system] 'B'=(/)
^  Call: (217) [user] is_like_space('B')
   Call: (218) [system] char_type('B', 'white')
   Fail: (218) [system] char_type('B', 'white')
   Call: (218) [system] char_type('B', end_of_line)
   Fail: (218) [system] char_type('B', end_of_line)
   Call: (218) [system] char_type('B', space)
   Fail: (218) [system] char_type('B', space)
   Call: (218) [system] char_type('B', cntrl)
   Fail: (218) [system] char_type('B', cntrl)
^  Fail: (217) [user] is_like_space('B')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] get_char((0x563acd73bee0), _1308348)
   Exit: (216) [system] get_char((0x563acd73bee0), 'B')
   Call: (216) [system] 'B'='('
   Fail: (216) [system] 'B'='('
   Call: (216) [system] 'B'='['
   Fail: (216) [system] 'B'='['
   Call: (216) [system] 'B'='{'
   Fail: (216) [system] 'B'='{'
   Call: (216) [system] 'B'='"'
   Fail: (216) [system] 'B'='"'
   Call: (216) [system] 'B'=!
   Fail: (216) [system] 'B'=!
   Call: (216) [system] 'B'='\''
   Fail: (216) [system] 'B'='\''
   Call: (216) [system] 'B'='`'
   Fail: (216) [system] 'B'='`'
   Call: (216) [system] 'B'=end_of_file
   Fail: (216) [system] 'B'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x563acd73bee0), 'B', _1290480)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _1325990)
   Call: (218) [system] peek_char((0x563acd73bee0), _1326924)
   Exit: (218) [system] peek_char((0x563acd73bee0), ')')
^  Call: (218) [user] is_delimiter(')')
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] arg(_1331644, v('(', ')', end_of_file), ')')
   Exit: (219) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (218) [user] is_delimiter(')')
   Call: (218) [system] _1325990=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (217) [user] classify_and_convert_charseq(['B'], _1290480)
^  Call: (218) [user] classify_and_convert_charseq_(['B'], _1338080)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_1339032, _1339034), once(user:catch(read_from_chars(['B'], _1338080), _1339014, fail)), '$restore_trace'(_1339032, _1339034))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_1339032, _1339034))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1338080), _1339014, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_1338080)
   Fail: (219) [system] atomic(_1338080)
   Call: (219) [system] atom_chars(_1338080, ['B'])
   Exit: (219) [system] atom_chars('B', ['B'])
^  Exit: (218) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (218) [system] integer('B')
   Fail: (218) [system] integer('B')
   Call: (218) [system] _1290480='B'
   Exit: (218) [system] 'B'='B'
^  Exit: (217) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (216) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (215) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (215) [user] read_list(')', (0x563acd73bee0), _1353030)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1354888)
   Exit: (217) [system] peek_char((0x563acd73bee0), ')')
   Call: (217) [system] ')'=(;)
   Fail: (217) [system] ')'=(;)
   Call: (217) [system] ')'=(/)
   Fail: (217) [system] ')'=(/)
^  Call: (217) [user] is_like_space(')')
   Call: (218) [system] char_type(')', 'white')
   Fail: (218) [system] char_type(')', 'white')
   Call: (218) [system] char_type(')', end_of_line)
   Fail: (218) [system] char_type(')', end_of_line)
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] char_type(')', cntrl)
   Fail: (218) [system] char_type(')', cntrl)
^  Fail: (217) [user] is_like_space(')')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1370898)
   Exit: (216) [system] peek_char((0x563acd73bee0), ')')
   Call: (216) [system] ')'=')'
   Exit: (216) [system] ')'=')'
   Call: (216) [system] get_char((0x563acd73bee0), _1374688)
   Exit: (216) [system] get_char((0x563acd73bee0), ')')
   Call: (216) [system] _1353030=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_list(')', (0x563acd73bee0), [])
   Call: (215) [system] _1253820=['B']
   Exit: (215) [system] ['B']=['B']
^  Exit: (214) [user] read_list(')', (0x563acd73bee0), ['B'])
   Call: (214) [system] _1156482=['A', 'B']
   Exit: (214) [system] ['A', 'B']=['A', 'B']
^  Exit: (213) [user] read_list(')', (0x563acd73bee0), ['A', 'B'])
   Call: (213) [system] _950406=['AndLink', 'A', 'B']
   Exit: (213) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (212) [user] read_list(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Exit: (211) [user] cont_sexpr(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Call: (211) [user] read_list(')', (0x563acd73bee0), _1388570)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1390428)
   Exit: (213) [system] peek_char((0x563acd73bee0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x563acd73bee0), _1400022)
   Exit: (213) [system] get_char((0x563acd73bee0), ' ')
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1402726)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'C')
   Call: (214) [system] 'C'=(;)
   Fail: (214) [system] 'C'=(;)
   Call: (214) [system] 'C'=(/)
   Fail: (214) [system] 'C'=(/)
^  Call: (214) [user] is_like_space('C')
   Call: (215) [system] char_type('C', 'white')
   Fail: (215) [system] char_type('C', 'white')
   Call: (215) [system] char_type('C', end_of_line)
   Fail: (215) [system] char_type('C', end_of_line)
   Call: (215) [system] char_type('C', space)
   Fail: (215) [system] char_type('C', space)
   Call: (215) [system] char_type('C', cntrl)
   Fail: (215) [system] char_type('C', cntrl)
^  Fail: (214) [user] is_like_space('C')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1419660)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'C')
   Call: (212) [system] 'C'=')'
   Fail: (212) [system] 'C'=')'
   Call: (212) [system] 'C'=end_of_file
   Fail: (212) [system] 'C'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x563acd73bee0), _1425230)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1427088)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'C')
   Call: (214) [system] 'C'=(;)
   Fail: (214) [system] 'C'=(;)
   Call: (214) [system] 'C'=(/)
   Fail: (214) [system] 'C'=(/)
^  Call: (214) [user] is_like_space('C')
   Call: (215) [system] char_type('C', 'white')
   Fail: (215) [system] char_type('C', 'white')
   Call: (215) [system] char_type('C', end_of_line)
   Fail: (215) [system] char_type('C', end_of_line)
   Call: (215) [system] char_type('C', space)
   Fail: (215) [system] char_type('C', space)
   Call: (215) [system] char_type('C', cntrl)
   Fail: (215) [system] char_type('C', cntrl)
^  Fail: (214) [user] is_like_space('C')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] get_char((0x563acd73bee0), _1443098)
   Exit: (213) [system] get_char((0x563acd73bee0), 'C')
   Call: (213) [system] 'C'='('
   Fail: (213) [system] 'C'='('
   Call: (213) [system] 'C'='['
   Fail: (213) [system] 'C'='['
   Call: (213) [system] 'C'='{'
   Fail: (213) [system] 'C'='{'
   Call: (213) [system] 'C'='"'
   Fail: (213) [system] 'C'='"'
   Call: (213) [system] 'C'=!
   Fail: (213) [system] 'C'=!
   Call: (213) [system] 'C'='\''
   Fail: (213) [system] 'C'='\''
   Call: (213) [system] 'C'='`'
   Fail: (213) [system] 'C'='`'
   Call: (213) [system] 'C'=end_of_file
   Fail: (213) [system] 'C'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x563acd73bee0), 'C', _1425230)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _1460740)
   Call: (215) [system] peek_char((0x563acd73bee0), _1461674)
   Exit: (215) [system] peek_char((0x563acd73bee0), ')')
^  Call: (215) [user] is_delimiter(')')
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] arg(_1466394, v('(', ')', end_of_file), ')')
   Exit: (216) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (215) [user] is_delimiter(')')
   Call: (215) [system] _1460740=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (214) [user] classify_and_convert_charseq(['C'], _1425230)
^  Call: (215) [user] classify_and_convert_charseq_(['C'], _1472830)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_1473782, _1473784), once(user:catch(read_from_chars(['C'], _1472830), _1473764, fail)), '$restore_trace'(_1473782, _1473784))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_1473782, _1473784))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1472830), _1473764, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_1472830)
   Fail: (216) [system] atomic(_1472830)
   Call: (216) [system] atom_chars(_1472830, ['C'])
   Exit: (216) [system] atom_chars('C', ['C'])
^  Exit: (215) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (215) [system] integer('C')
   Fail: (215) [system] integer('C')
   Call: (215) [system] _1425230='C'
   Exit: (215) [system] 'C'='C'
^  Exit: (214) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (213) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (212) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (212) [user] read_list(')', (0x563acd73bee0), _1487780)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1489638)
   Exit: (214) [system] peek_char((0x563acd73bee0), ')')
   Call: (214) [system] ')'=(;)
   Fail: (214) [system] ')'=(;)
   Call: (214) [system] ')'=(/)
   Fail: (214) [system] ')'=(/)
^  Call: (214) [user] is_like_space(')')
   Call: (215) [system] char_type(')', 'white')
   Fail: (215) [system] char_type(')', 'white')
   Call: (215) [system] char_type(')', end_of_line)
   Fail: (215) [system] char_type(')', end_of_line)
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] char_type(')', cntrl)
   Fail: (215) [system] char_type(')', cntrl)
^  Fail: (214) [user] is_like_space(')')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1505648)
   Exit: (213) [system] peek_char((0x563acd73bee0), ')')
   Call: (213) [system] ')'=')'
   Exit: (213) [system] ')'=')'
   Call: (213) [system] get_char((0x563acd73bee0), _1509438)
   Exit: (213) [system] get_char((0x563acd73bee0), ')')
   Call: (213) [system] _1487780=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_list(')', (0x563acd73bee0), [])
   Call: (212) [system] _1388570=['C']
   Exit: (212) [system] ['C']=['C']
^  Exit: (211) [user] read_list(')', (0x563acd73bee0), ['C'])
   Call: (211) [system] _913746=[['AndLink', 'A', 'B'], 'C']
   Exit: (211) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (210) [user] read_list(')', (0x563acd73bee0), [['AndLink', 'A', 'B'], 'C'])
   Call: (210) [system] _640750=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (210) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (209) [user] read_list(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (208) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (208) [user] read_list(')', (0x563acd73bee0), _1523320)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1525178)
   Exit: (210) [system] peek_char((0x563acd73bee0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x563acd73bee0), _1534772)
   Exit: (210) [system] get_char((0x563acd73bee0), ' ')
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1537476)
   Exit: (211) [system] peek_char((0x563acd73bee0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1554410)
   Exit: (209) [system] peek_char((0x563acd73bee0), '(')
   Call: (209) [system] '('=')'
   Fail: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
   Fail: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x563acd73bee0), _1559980)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1561838)
   Exit: (211) [system] peek_char((0x563acd73bee0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] get_char((0x563acd73bee0), _1577848)
   Exit: (210) [system] get_char((0x563acd73bee0), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x563acd73bee0), _1559980)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1583418)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'I')
   Call: (212) [system] 'I'=(;)
   Fail: (212) [system] 'I'=(;)
   Call: (212) [system] 'I'=(/)
   Fail: (212) [system] 'I'=(/)
^  Call: (212) [user] is_like_space('I')
   Call: (213) [system] char_type('I', 'white')
   Fail: (213) [system] char_type('I', 'white')
   Call: (213) [system] char_type('I', end_of_line)
   Fail: (213) [system] char_type('I', end_of_line)
   Call: (213) [system] char_type('I', space)
   Fail: (213) [system] char_type('I', space)
   Call: (213) [system] char_type('I', cntrl)
   Fail: (213) [system] char_type('I', cntrl)
^  Fail: (212) [user] is_like_space('I')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1599428)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'I')
   Call: (211) [system] 'I'=')'
   Fail: (211) [system] 'I'=')'
   Call: (211) [system] 'I'=end_of_file
   Fail: (211) [system] 'I'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x563acd73bee0), _1604998)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1606856)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'I')
   Call: (213) [system] 'I'=(;)
   Fail: (213) [system] 'I'=(;)
   Call: (213) [system] 'I'=(/)
   Fail: (213) [system] 'I'=(/)
^  Call: (213) [user] is_like_space('I')
   Call: (214) [system] char_type('I', 'white')
   Fail: (214) [system] char_type('I', 'white')
   Call: (214) [system] char_type('I', end_of_line)
   Fail: (214) [system] char_type('I', end_of_line)
   Call: (214) [system] char_type('I', space)
   Fail: (214) [system] char_type('I', space)
   Call: (214) [system] char_type('I', cntrl)
   Fail: (214) [system] char_type('I', cntrl)
^  Fail: (213) [user] is_like_space('I')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] get_char((0x563acd73bee0), _1622866)
   Exit: (212) [system] get_char((0x563acd73bee0), 'I')
   Call: (212) [system] 'I'='('
   Fail: (212) [system] 'I'='('
   Call: (212) [system] 'I'='['
   Fail: (212) [system] 'I'='['
   Call: (212) [system] 'I'='{'
   Fail: (212) [system] 'I'='{'
   Call: (212) [system] 'I'='"'
   Fail: (212) [system] 'I'='"'
   Call: (212) [system] 'I'=!
   Fail: (212) [system] 'I'=!
   Call: (212) [system] 'I'='\''
   Fail: (212) [system] 'I'='\''
   Call: (212) [system] 'I'='`'
   Fail: (212) [system] 'I'='`'
   Call: (212) [system] 'I'=end_of_file
   Fail: (212) [system] 'I'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x563acd73bee0), 'I', _1604998)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _1640508)
   Call: (214) [system] peek_char((0x563acd73bee0), _1641442)
   Exit: (214) [system] peek_char((0x563acd73bee0), m)
^  Call: (214) [user] is_delimiter(m)
   Call: (215) [system] char_type(m, space)
   Fail: (215) [system] char_type(m, space)
   Call: (215) [system] arg(_1646162, v('(', ')', end_of_file), m)
   Fail: (215) [system] arg(_1647094, v('(', ')', end_of_file), m)
^  Fail: (214) [user] is_delimiter(m)
   Call: (214) [system] ')'==m
   Fail: (214) [system] ')'==m
   Call: (214) [system] get_char((0x563acd73bee0), m)
   Exit: (214) [system] get_char((0x563acd73bee0), m)
   Call: (214) [system] m=(\)
   Fail: (214) [system] m=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _1654444)
   Call: (215) [system] peek_char((0x563acd73bee0), _1655378)
   Exit: (215) [system] peek_char((0x563acd73bee0), p)
^  Call: (215) [user] is_delimiter(p)
   Call: (216) [system] char_type(p, space)
   Fail: (216) [system] char_type(p, space)
   Call: (216) [system] arg(_1660098, v('(', ')', end_of_file), p)
   Fail: (216) [system] arg(_1661030, v('(', ')', end_of_file), p)
^  Fail: (215) [user] is_delimiter(p)
   Call: (215) [system] ')'==p
   Fail: (215) [system] ')'==p
   Call: (215) [system] get_char((0x563acd73bee0), p)
   Exit: (215) [system] get_char((0x563acd73bee0), p)
   Call: (215) [system] p=(\)
   Fail: (215) [system] p=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _1668380)
   Call: (216) [system] peek_char((0x563acd73bee0), _1669314)
   Exit: (216) [system] peek_char((0x563acd73bee0), l)
^  Call: (216) [user] is_delimiter(l)
   Call: (217) [system] char_type(l, space)
   Fail: (217) [system] char_type(l, space)
   Call: (217) [system] arg(_1674034, v('(', ')', end_of_file), l)
   Fail: (217) [system] arg(_1674966, v('(', ')', end_of_file), l)
^  Fail: (216) [user] is_delimiter(l)
   Call: (216) [system] ')'==l
   Fail: (216) [system] ')'==l
   Call: (216) [system] get_char((0x563acd73bee0), l)
   Exit: (216) [system] get_char((0x563acd73bee0), l)
   Call: (216) [system] l=(\)
   Fail: (216) [system] l=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _1682316)
   Call: (217) [system] peek_char((0x563acd73bee0), _1683250)
   Exit: (217) [system] peek_char((0x563acd73bee0), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_1687970, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_1688902, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x563acd73bee0), i)
   Exit: (217) [system] get_char((0x563acd73bee0), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _1696252)
   Call: (218) [system] peek_char((0x563acd73bee0), _1697186)
   Exit: (218) [system] peek_char((0x563acd73bee0), c)
^  Call: (218) [user] is_delimiter(c)
   Call: (219) [system] char_type(c, space)
   Fail: (219) [system] char_type(c, space)
   Call: (219) [system] arg(_1701906, v('(', ')', end_of_file), c)
   Fail: (219) [system] arg(_1702838, v('(', ')', end_of_file), c)
^  Fail: (218) [user] is_delimiter(c)
   Call: (218) [system] ')'==c
   Fail: (218) [system] ')'==c
   Call: (218) [system] get_char((0x563acd73bee0), c)
   Exit: (218) [system] get_char((0x563acd73bee0), c)
   Call: (218) [system] c=(\)
   Fail: (218) [system] c=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _1710188)
   Call: (219) [system] peek_char((0x563acd73bee0), _1711122)
   Exit: (219) [system] peek_char((0x563acd73bee0), a)
^  Call: (219) [user] is_delimiter(a)
   Call: (220) [system] char_type(a, space)
   Fail: (220) [system] char_type(a, space)
   Call: (220) [system] arg(_1715842, v('(', ')', end_of_file), a)
   Fail: (220) [system] arg(_1716774, v('(', ')', end_of_file), a)
^  Fail: (219) [user] is_delimiter(a)
   Call: (219) [system] ')'==a
   Fail: (219) [system] ')'==a
   Call: (219) [system] get_char((0x563acd73bee0), a)
   Exit: (219) [system] get_char((0x563acd73bee0), a)
   Call: (219) [system] a=(\)
   Fail: (219) [system] a=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _1724124)
   Call: (220) [system] peek_char((0x563acd73bee0), _1725058)
   Exit: (220) [system] peek_char((0x563acd73bee0), t)
^  Call: (220) [user] is_delimiter(t)
   Call: (221) [system] char_type(t, space)
   Fail: (221) [system] char_type(t, space)
   Call: (221) [system] arg(_1729778, v('(', ')', end_of_file), t)
   Fail: (221) [system] arg(_1730710, v('(', ')', end_of_file), t)
^  Fail: (220) [user] is_delimiter(t)
   Call: (220) [system] ')'==t
   Fail: (220) [system] ')'==t
   Call: (220) [system] get_char((0x563acd73bee0), t)
   Exit: (220) [system] get_char((0x563acd73bee0), t)
   Call: (220) [system] t=(\)
   Fail: (220) [system] t=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _1738060)
   Call: (221) [system] peek_char((0x563acd73bee0), _1738994)
   Exit: (221) [system] peek_char((0x563acd73bee0), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_1743714, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_1744646, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x563acd73bee0), i)
   Exit: (221) [system] get_char((0x563acd73bee0), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _1751996)
   Call: (222) [system] peek_char((0x563acd73bee0), _1752930)
   Exit: (222) [system] peek_char((0x563acd73bee0), o)
^  Call: (222) [user] is_delimiter(o)
   Call: (223) [system] char_type(o, space)
   Fail: (223) [system] char_type(o, space)
   Call: (223) [system] arg(_1757650, v('(', ')', end_of_file), o)
   Fail: (223) [system] arg(_1758582, v('(', ')', end_of_file), o)
^  Fail: (222) [user] is_delimiter(o)
   Call: (222) [system] ')'==o
   Fail: (222) [system] ')'==o
   Call: (222) [system] get_char((0x563acd73bee0), o)
   Exit: (222) [system] get_char((0x563acd73bee0), o)
   Call: (222) [system] o=(\)
   Fail: (222) [system] o=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _1765932)
   Call: (223) [system] peek_char((0x563acd73bee0), _1766866)
   Exit: (223) [system] peek_char((0x563acd73bee0), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_1771586, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_1772518, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x563acd73bee0), n)
   Exit: (223) [system] get_char((0x563acd73bee0), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _1779868)
   Call: (224) [system] peek_char((0x563acd73bee0), _1780802)
   Exit: (224) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _1779868=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (223) [system] _1765932=[n]
   Exit: (223) [system] [n]=[n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (222) [system] _1751996=[o, n]
   Exit: (222) [system] [o, n]=[o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (221) [system] _1738060=[i, o, n]
   Exit: (221) [system] [i, o, n]=[i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (220) [system] _1724124=[t, i, o, n]
   Exit: (220) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (219) [system] _1710188=[a, t, i, o, n]
   Exit: (219) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (218) [system] _1696252=[c, a, t, i, o, n]
   Exit: (218) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (217) [system] _1682316=[i, c, a, t, i, o, n]
   Exit: (217) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (216) [system] _1668380=[l, i, c, a, t, i, o, n]
   Exit: (216) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (215) [system] _1654444=[p, l, i, c, a, t, i, o, n]
   Exit: (215) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (214) [system] _1640508=[m, p, l, i, c, a, t, i, o, n]
   Exit: (214) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (213) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1604998)
^  Call: (214) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1818026)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1818978, _1818980), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1818026), _1818960, fail)), '$restore_trace'(_1818978, _1818980))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1818978, _1818980))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1818026), _1818960, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_1818026)
   Fail: (215) [system] atomic(_1818026)
   Call: (215) [system] atom_chars(_1818026, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (215) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (214) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (214) [system] integer('Implication')
   Fail: (214) [system] integer('Implication')
   Call: (214) [system] _1604998='Implication'
   Exit: (214) [system] 'Implication'='Implication'
^  Exit: (213) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (212) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (211) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (211) [user] read_list(')', (0x563acd73bee0), _1832976)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1834834)
   Exit: (213) [system] peek_char((0x563acd73bee0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x563acd73bee0), _1844428)
   Exit: (213) [system] get_char((0x563acd73bee0), ' ')
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1847132)
   Exit: (214) [system] peek_char((0x563acd73bee0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1864066)
   Exit: (212) [system] peek_char((0x563acd73bee0), '(')
   Call: (212) [system] '('=')'
   Fail: (212) [system] '('=')'
   Call: (212) [system] '('=end_of_file
   Fail: (212) [system] '('=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x563acd73bee0), _1869636)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1871494)
   Exit: (214) [system] peek_char((0x563acd73bee0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] get_char((0x563acd73bee0), _1887504)
   Exit: (213) [system] get_char((0x563acd73bee0), '(')
   Call: (213) [system] '('='('
   Exit: (213) [system] '('='('
^  Call: (213) [user] read_list(')', (0x563acd73bee0), _1869636)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1893074)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'A')
   Call: (215) [system] 'A'=(;)
   Fail: (215) [system] 'A'=(;)
   Call: (215) [system] 'A'=(/)
   Fail: (215) [system] 'A'=(/)
^  Call: (215) [user] is_like_space('A')
   Call: (216) [system] char_type('A', 'white')
   Fail: (216) [system] char_type('A', 'white')
   Call: (216) [system] char_type('A', end_of_line)
   Fail: (216) [system] char_type('A', end_of_line)
   Call: (216) [system] char_type('A', space)
   Fail: (216) [system] char_type('A', space)
   Call: (216) [system] char_type('A', cntrl)
   Fail: (216) [system] char_type('A', cntrl)
^  Fail: (215) [user] is_like_space('A')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1909084)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'A')
   Call: (214) [system] 'A'=')'
   Fail: (214) [system] 'A'=')'
   Call: (214) [system] 'A'=end_of_file
   Fail: (214) [system] 'A'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x563acd73bee0), _1914654)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1916512)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'A')
   Call: (216) [system] 'A'=(;)
   Fail: (216) [system] 'A'=(;)
   Call: (216) [system] 'A'=(/)
   Fail: (216) [system] 'A'=(/)
^  Call: (216) [user] is_like_space('A')
   Call: (217) [system] char_type('A', 'white')
   Fail: (217) [system] char_type('A', 'white')
   Call: (217) [system] char_type('A', end_of_line)
   Fail: (217) [system] char_type('A', end_of_line)
   Call: (217) [system] char_type('A', space)
   Fail: (217) [system] char_type('A', space)
   Call: (217) [system] char_type('A', cntrl)
   Fail: (217) [system] char_type('A', cntrl)
^  Fail: (216) [user] is_like_space('A')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] get_char((0x563acd73bee0), _1932522)
   Exit: (215) [system] get_char((0x563acd73bee0), 'A')
   Call: (215) [system] 'A'='('
   Fail: (215) [system] 'A'='('
   Call: (215) [system] 'A'='['
   Fail: (215) [system] 'A'='['
   Call: (215) [system] 'A'='{'
   Fail: (215) [system] 'A'='{'
   Call: (215) [system] 'A'='"'
   Fail: (215) [system] 'A'='"'
   Call: (215) [system] 'A'=!
   Fail: (215) [system] 'A'=!
   Call: (215) [system] 'A'='\''
   Fail: (215) [system] 'A'='\''
   Call: (215) [system] 'A'='`'
   Fail: (215) [system] 'A'='`'
   Call: (215) [system] 'A'=end_of_file
   Fail: (215) [system] 'A'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x563acd73bee0), 'A', _1914654)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _1950164)
   Call: (217) [system] peek_char((0x563acd73bee0), _1951098)
   Exit: (217) [system] peek_char((0x563acd73bee0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_1955818, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_1956750, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x563acd73bee0), n)
   Exit: (217) [system] get_char((0x563acd73bee0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _1964100)
   Call: (218) [system] peek_char((0x563acd73bee0), _1965034)
   Exit: (218) [system] peek_char((0x563acd73bee0), d)
^  Call: (218) [user] is_delimiter(d)
   Call: (219) [system] char_type(d, space)
   Fail: (219) [system] char_type(d, space)
   Call: (219) [system] arg(_1969754, v('(', ')', end_of_file), d)
   Fail: (219) [system] arg(_1970686, v('(', ')', end_of_file), d)
^  Fail: (218) [user] is_delimiter(d)
   Call: (218) [system] ')'==d
   Fail: (218) [system] ')'==d
   Call: (218) [system] get_char((0x563acd73bee0), d)
   Exit: (218) [system] get_char((0x563acd73bee0), d)
   Call: (218) [system] d=(\)
   Fail: (218) [system] d=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _1978036)
   Call: (219) [system] peek_char((0x563acd73bee0), _1978970)
   Exit: (219) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (219) [user] is_delimiter('L')
   Call: (220) [system] char_type('L', space)
   Fail: (220) [system] char_type('L', space)
   Call: (220) [system] arg(_1983690, v('(', ')', end_of_file), 'L')
   Fail: (220) [system] arg(_1984622, v('(', ')', end_of_file), 'L')
^  Fail: (219) [user] is_delimiter('L')
   Call: (219) [system] ')'=='L'
   Fail: (219) [system] ')'=='L'
   Call: (219) [system] get_char((0x563acd73bee0), 'L')
   Exit: (219) [system] get_char((0x563acd73bee0), 'L')
   Call: (219) [system] 'L'=(\)
   Fail: (219) [system] 'L'=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _1991972)
   Call: (220) [system] peek_char((0x563acd73bee0), _1992906)
   Exit: (220) [system] peek_char((0x563acd73bee0), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_1997626, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_1998558, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x563acd73bee0), i)
   Exit: (220) [system] get_char((0x563acd73bee0), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _2005908)
   Call: (221) [system] peek_char((0x563acd73bee0), _2006842)
   Exit: (221) [system] peek_char((0x563acd73bee0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_2011562, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_2012494, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x563acd73bee0), n)
   Exit: (221) [system] get_char((0x563acd73bee0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _2019844)
   Call: (222) [system] peek_char((0x563acd73bee0), _2020778)
   Exit: (222) [system] peek_char((0x563acd73bee0), k)
^  Call: (222) [user] is_delimiter(k)
   Call: (223) [system] char_type(k, space)
   Fail: (223) [system] char_type(k, space)
   Call: (223) [system] arg(_2025498, v('(', ')', end_of_file), k)
   Fail: (223) [system] arg(_2026430, v('(', ')', end_of_file), k)
^  Fail: (222) [user] is_delimiter(k)
   Call: (222) [system] ')'==k
   Fail: (222) [system] ')'==k
   Call: (222) [system] get_char((0x563acd73bee0), k)
   Exit: (222) [system] get_char((0x563acd73bee0), k)
   Call: (222) [system] k=(\)
   Fail: (222) [system] k=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _2033780)
   Call: (223) [system] peek_char((0x563acd73bee0), _2034714)
   Exit: (223) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _2033780=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (222) [system] _2019844=[k]
   Exit: (222) [system] [k]=[k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (221) [system] _2005908=[n, k]
   Exit: (221) [system] [n, k]=[n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (220) [system] _1991972=[i, n, k]
   Exit: (220) [system] [i, n, k]=[i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (219) [system] _1978036=['L', i, n, k]
   Exit: (219) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (218) [system] _1964100=[d, 'L', i, n, k]
   Exit: (218) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, 'L', i, n, k])
   Call: (217) [system] _1950164=[n, d, 'L', i, n, k]
   Exit: (217) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, d, 'L', i, n, k])
^  Call: (216) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1914654)
^  Call: (217) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _2060762)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_2061714, _2061716), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _2060762), _2061696, fail)), '$restore_trace'(_2061714, _2061716))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_2061714, _2061716))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _2060762), _2061696, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_2060762)
   Fail: (218) [system] atomic(_2060762)
   Call: (218) [system] atom_chars(_2060762, ['A', n, d, 'L', i, n, k])
   Exit: (218) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (217) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (217) [system] integer('AndLink')
   Fail: (217) [system] integer('AndLink')
   Call: (217) [system] _1914654='AndLink'
   Exit: (217) [system] 'AndLink'='AndLink'
^  Exit: (216) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (215) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'AndLink')
^  Exit: (214) [user] cont_sexpr(')', (0x563acd73bee0), 'AndLink')
^  Call: (214) [user] read_list(')', (0x563acd73bee0), _2075712)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _2077570)
   Exit: (216) [system] peek_char((0x563acd73bee0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x563acd73bee0), _2087164)
   Exit: (216) [system] get_char((0x563acd73bee0), ' ')
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _2089868)
   Exit: (217) [system] peek_char((0x563acd73bee0), 'A')
   Call: (217) [system] 'A'=(;)
   Fail: (217) [system] 'A'=(;)
   Call: (217) [system] 'A'=(/)
   Fail: (217) [system] 'A'=(/)
^  Call: (217) [user] is_like_space('A')
   Call: (218) [system] char_type('A', 'white')
   Fail: (218) [system] char_type('A', 'white')
   Call: (218) [system] char_type('A', end_of_line)
   Fail: (218) [system] char_type('A', end_of_line)
   Call: (218) [system] char_type('A', space)
   Fail: (218) [system] char_type('A', space)
   Call: (218) [system] char_type('A', cntrl)
   Fail: (218) [system] char_type('A', cntrl)
^  Fail: (217) [user] is_like_space('A')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _14316)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'A')
   Call: (215) [system] 'A'=')'
   Fail: (215) [system] 'A'=')'
   Call: (215) [system] 'A'=end_of_file
   Fail: (215) [system] 'A'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x563acd73bee0), _19886)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _21744)
   Exit: (217) [system] peek_char((0x563acd73bee0), 'A')
   Call: (217) [system] 'A'=(;)
   Fail: (217) [system] 'A'=(;)
   Call: (217) [system] 'A'=(/)
   Fail: (217) [system] 'A'=(/)
^  Call: (217) [user] is_like_space('A')
   Call: (218) [system] char_type('A', 'white')
   Fail: (218) [system] char_type('A', 'white')
   Call: (218) [system] char_type('A', end_of_line)
   Fail: (218) [system] char_type('A', end_of_line)
   Call: (218) [system] char_type('A', space)
   Fail: (218) [system] char_type('A', space)
   Call: (218) [system] char_type('A', cntrl)
   Fail: (218) [system] char_type('A', cntrl)
^  Fail: (217) [user] is_like_space('A')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] get_char((0x563acd73bee0), _37754)
   Exit: (216) [system] get_char((0x563acd73bee0), 'A')
   Call: (216) [system] 'A'='('
   Fail: (216) [system] 'A'='('
   Call: (216) [system] 'A'='['
   Fail: (216) [system] 'A'='['
   Call: (216) [system] 'A'='{'
   Fail: (216) [system] 'A'='{'
   Call: (216) [system] 'A'='"'
   Fail: (216) [system] 'A'='"'
   Call: (216) [system] 'A'=!
   Fail: (216) [system] 'A'=!
   Call: (216) [system] 'A'='\''
   Fail: (216) [system] 'A'='\''
   Call: (216) [system] 'A'='`'
   Fail: (216) [system] 'A'='`'
   Call: (216) [system] 'A'=end_of_file
   Fail: (216) [system] 'A'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x563acd73bee0), 'A', _19886)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _55396)
   Call: (218) [system] peek_char((0x563acd73bee0), _56330)
   Exit: (218) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _55396=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (217) [user] classify_and_convert_charseq(['A'], _19886)
^  Call: (218) [user] classify_and_convert_charseq_(['A'], _65614)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_66566, _66568), once(user:catch(read_from_chars(['A'], _65614), _66548, fail)), '$restore_trace'(_66566, _66568))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_66566, _66568))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _65614), _66548, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_65614)
   Fail: (219) [system] atomic(_65614)
   Call: (219) [system] atom_chars(_65614, ['A'])
   Exit: (219) [system] atom_chars('A', ['A'])
^  Exit: (218) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (218) [system] integer('A')
   Fail: (218) [system] integer('A')
   Call: (218) [system] _19886='A'
   Exit: (218) [system] 'A'='A'
^  Exit: (217) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (216) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (215) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (215) [user] read_list(')', (0x563acd73bee0), _80564)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _82422)
   Exit: (217) [system] peek_char((0x563acd73bee0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x563acd73bee0), _92016)
   Exit: (217) [system] get_char((0x563acd73bee0), ' ')
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _94720)
   Exit: (218) [system] peek_char((0x563acd73bee0), 'B')
   Call: (218) [system] 'B'=(;)
   Fail: (218) [system] 'B'=(;)
   Call: (218) [system] 'B'=(/)
   Fail: (218) [system] 'B'=(/)
^  Call: (218) [user] is_like_space('B')
   Call: (219) [system] char_type('B', 'white')
   Fail: (219) [system] char_type('B', 'white')
   Call: (219) [system] char_type('B', end_of_line)
   Fail: (219) [system] char_type('B', end_of_line)
   Call: (219) [system] char_type('B', space)
   Fail: (219) [system] char_type('B', space)
   Call: (219) [system] char_type('B', cntrl)
   Fail: (219) [system] char_type('B', cntrl)
^  Fail: (218) [user] is_like_space('B')
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _111654)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'B')
   Call: (216) [system] 'B'=')'
   Fail: (216) [system] 'B'=')'
   Call: (216) [system] 'B'=end_of_file
   Fail: (216) [system] 'B'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x563acd73bee0), _117224)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _119082)
   Exit: (218) [system] peek_char((0x563acd73bee0), 'B')
   Call: (218) [system] 'B'=(;)
   Fail: (218) [system] 'B'=(;)
   Call: (218) [system] 'B'=(/)
   Fail: (218) [system] 'B'=(/)
^  Call: (218) [user] is_like_space('B')
   Call: (219) [system] char_type('B', 'white')
   Fail: (219) [system] char_type('B', 'white')
   Call: (219) [system] char_type('B', end_of_line)
   Fail: (219) [system] char_type('B', end_of_line)
   Call: (219) [system] char_type('B', space)
   Fail: (219) [system] char_type('B', space)
   Call: (219) [system] char_type('B', cntrl)
   Fail: (219) [system] char_type('B', cntrl)
^  Fail: (218) [user] is_like_space('B')
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] get_char((0x563acd73bee0), _135092)
   Exit: (217) [system] get_char((0x563acd73bee0), 'B')
   Call: (217) [system] 'B'='('
   Fail: (217) [system] 'B'='('
   Call: (217) [system] 'B'='['
   Fail: (217) [system] 'B'='['
   Call: (217) [system] 'B'='{'
   Fail: (217) [system] 'B'='{'
   Call: (217) [system] 'B'='"'
   Fail: (217) [system] 'B'='"'
   Call: (217) [system] 'B'=!
   Fail: (217) [system] 'B'=!
   Call: (217) [system] 'B'='\''
   Fail: (217) [system] 'B'='\''
   Call: (217) [system] 'B'='`'
   Fail: (217) [system] 'B'='`'
   Call: (217) [system] 'B'=end_of_file
   Fail: (217) [system] 'B'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x563acd73bee0), 'B', _117224)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _152734)
   Call: (219) [system] peek_char((0x563acd73bee0), _153668)
   Exit: (219) [system] peek_char((0x563acd73bee0), ')')
^  Call: (219) [user] is_delimiter(')')
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] arg(_158388, v('(', ')', end_of_file), ')')
   Exit: (220) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (219) [user] is_delimiter(')')
   Call: (219) [system] _152734=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (218) [user] classify_and_convert_charseq(['B'], _117224)
^  Call: (219) [user] classify_and_convert_charseq_(['B'], _164824)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_165776, _165778), once(user:catch(read_from_chars(['B'], _164824), _165758, fail)), '$restore_trace'(_165776, _165778))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_165776, _165778))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _164824), _165758, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_164824)
   Fail: (220) [system] atomic(_164824)
   Call: (220) [system] atom_chars(_164824, ['B'])
   Exit: (220) [system] atom_chars('B', ['B'])
^  Exit: (219) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (219) [system] integer('B')
   Fail: (219) [system] integer('B')
   Call: (219) [system] _117224='B'
   Exit: (219) [system] 'B'='B'
^  Exit: (218) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (217) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (216) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (216) [user] read_list(')', (0x563acd73bee0), _179774)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _181632)
   Exit: (218) [system] peek_char((0x563acd73bee0), ')')
   Call: (218) [system] ')'=(;)
   Fail: (218) [system] ')'=(;)
   Call: (218) [system] ')'=(/)
   Fail: (218) [system] ')'=(/)
^  Call: (218) [user] is_like_space(')')
   Call: (219) [system] char_type(')', 'white')
   Fail: (219) [system] char_type(')', 'white')
   Call: (219) [system] char_type(')', end_of_line)
   Fail: (219) [system] char_type(')', end_of_line)
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] char_type(')', cntrl)
   Fail: (219) [system] char_type(')', cntrl)
^  Fail: (218) [user] is_like_space(')')
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _197642)
   Exit: (217) [system] peek_char((0x563acd73bee0), ')')
   Call: (217) [system] ')'=')'
   Exit: (217) [system] ')'=')'
   Call: (217) [system] get_char((0x563acd73bee0), _201432)
   Exit: (217) [system] get_char((0x563acd73bee0), ')')
   Call: (217) [system] _179774=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_list(')', (0x563acd73bee0), [])
   Call: (216) [system] _80564=['B']
   Exit: (216) [system] ['B']=['B']
^  Exit: (215) [user] read_list(')', (0x563acd73bee0), ['B'])
   Call: (215) [system] _4270=['A', 'B']
   Exit: (215) [system] ['A', 'B']=['A', 'B']
^  Exit: (214) [user] read_list(')', (0x563acd73bee0), ['A', 'B'])
   Call: (214) [system] _4262=['AndLink', 'A', 'B']
   Exit: (214) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (213) [user] read_list(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Exit: (212) [user] cont_sexpr(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Call: (212) [user] read_list(')', (0x563acd73bee0), _215314)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _217172)
   Exit: (214) [system] peek_char((0x563acd73bee0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x563acd73bee0), _226766)
   Exit: (214) [system] get_char((0x563acd73bee0), ' ')
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _229470)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'C')
   Call: (215) [system] 'C'=(;)
   Fail: (215) [system] 'C'=(;)
   Call: (215) [system] 'C'=(/)
   Fail: (215) [system] 'C'=(/)
^  Call: (215) [user] is_like_space('C')
   Call: (216) [system] char_type('C', 'white')
   Fail: (216) [system] char_type('C', 'white')
   Call: (216) [system] char_type('C', end_of_line)
   Fail: (216) [system] char_type('C', end_of_line)
   Call: (216) [system] char_type('C', space)
   Fail: (216) [system] char_type('C', space)
   Call: (216) [system] char_type('C', cntrl)
   Fail: (216) [system] char_type('C', cntrl)
^  Fail: (215) [user] is_like_space('C')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _246404)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'C')
   Call: (213) [system] 'C'=')'
   Fail: (213) [system] 'C'=')'
   Call: (213) [system] 'C'=end_of_file
   Fail: (213) [system] 'C'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x563acd73bee0), _251974)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _253832)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'C')
   Call: (215) [system] 'C'=(;)
   Fail: (215) [system] 'C'=(;)
   Call: (215) [system] 'C'=(/)
   Fail: (215) [system] 'C'=(/)
^  Call: (215) [user] is_like_space('C')
   Call: (216) [system] char_type('C', 'white')
   Fail: (216) [system] char_type('C', 'white')
   Call: (216) [system] char_type('C', end_of_line)
   Fail: (216) [system] char_type('C', end_of_line)
   Call: (216) [system] char_type('C', space)
   Fail: (216) [system] char_type('C', space)
   Call: (216) [system] char_type('C', cntrl)
   Fail: (216) [system] char_type('C', cntrl)
^  Fail: (215) [user] is_like_space('C')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] get_char((0x563acd73bee0), _269842)
   Exit: (214) [system] get_char((0x563acd73bee0), 'C')
   Call: (214) [system] 'C'='('
   Fail: (214) [system] 'C'='('
   Call: (214) [system] 'C'='['
   Fail: (214) [system] 'C'='['
   Call: (214) [system] 'C'='{'
   Fail: (214) [system] 'C'='{'
   Call: (214) [system] 'C'='"'
   Fail: (214) [system] 'C'='"'
   Call: (214) [system] 'C'=!
   Fail: (214) [system] 'C'=!
   Call: (214) [system] 'C'='\''
   Fail: (214) [system] 'C'='\''
   Call: (214) [system] 'C'='`'
   Fail: (214) [system] 'C'='`'
   Call: (214) [system] 'C'=end_of_file
   Fail: (214) [system] 'C'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x563acd73bee0), 'C', _251974)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _287484)
   Call: (216) [system] peek_char((0x563acd73bee0), _288418)
   Exit: (216) [system] peek_char((0x563acd73bee0), ')')
^  Call: (216) [user] is_delimiter(')')
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] arg(_293138, v('(', ')', end_of_file), ')')
   Exit: (217) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (216) [user] is_delimiter(')')
   Call: (216) [system] _287484=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (215) [user] classify_and_convert_charseq(['C'], _251974)
^  Call: (216) [user] classify_and_convert_charseq_(['C'], _299574)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_300526, _300528), once(user:catch(read_from_chars(['C'], _299574), _300508, fail)), '$restore_trace'(_300526, _300528))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_300526, _300528))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _299574), _300508, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_299574)
   Fail: (217) [system] atomic(_299574)
   Call: (217) [system] atom_chars(_299574, ['C'])
   Exit: (217) [system] atom_chars('C', ['C'])
^  Exit: (216) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (216) [system] integer('C')
   Fail: (216) [system] integer('C')
   Call: (216) [system] _251974='C'
   Exit: (216) [system] 'C'='C'
^  Exit: (215) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (214) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (213) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (213) [user] read_list(')', (0x563acd73bee0), _314524)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _316382)
   Exit: (215) [system] peek_char((0x563acd73bee0), ')')
   Call: (215) [system] ')'=(;)
   Fail: (215) [system] ')'=(;)
   Call: (215) [system] ')'=(/)
   Fail: (215) [system] ')'=(/)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Fail: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Fail: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
   Fail: (216) [system] char_type(')', cntrl)
^  Fail: (215) [user] is_like_space(')')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _332392)
   Exit: (214) [system] peek_char((0x563acd73bee0), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x563acd73bee0), _336182)
   Exit: (214) [system] get_char((0x563acd73bee0), ')')
   Call: (214) [system] _314524=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x563acd73bee0), [])
   Call: (213) [system] _215314=['C']
   Exit: (213) [system] ['C']=['C']
^  Exit: (212) [user] read_list(')', (0x563acd73bee0), ['C'])
   Call: (212) [system] _4258=[['AndLink', 'A', 'B'], 'C']
   Exit: (212) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (211) [user] read_list(')', (0x563acd73bee0), [['AndLink', 'A', 'B'], 'C'])
   Call: (211) [system] _4250=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (211) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (210) [user] read_list(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (209) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (209) [user] read_list(')', (0x563acd73bee0), _350064)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _351922)
   Exit: (211) [system] peek_char((0x563acd73bee0), ')')
   Call: (211) [system] ')'=(;)
   Fail: (211) [system] ')'=(;)
   Call: (211) [system] ')'=(/)
   Fail: (211) [system] ')'=(/)
^  Call: (211) [user] is_like_space(')')
   Call: (212) [system] char_type(')', 'white')
   Fail: (212) [system] char_type(')', 'white')
   Call: (212) [system] char_type(')', end_of_line)
   Fail: (212) [system] char_type(')', end_of_line)
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] char_type(')', cntrl)
   Fail: (212) [system] char_type(')', cntrl)
^  Fail: (211) [user] is_like_space(')')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _367932)
   Exit: (210) [system] peek_char((0x563acd73bee0), ')')
   Call: (210) [system] ')'=')'
   Exit: (210) [system] ')'=')'
   Call: (210) [system] get_char((0x563acd73bee0), _371722)
   Exit: (210) [system] get_char((0x563acd73bee0), ')')
   Call: (210) [system] _350064=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_list(')', (0x563acd73bee0), [])
   Call: (209) [system] _4246=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (209) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (208) [user] read_list(')', (0x563acd73bee0), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (208) [system] _4204=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (208) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (207) [user] read_list(')', (0x563acd73bee0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (207) [system] _4196=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (207) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (206) [user] read_list(')', (0x563acd73bee0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (205) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (205) [user] read_list(')', (0x563acd73bee0), _385604)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _387462)
   Exit: (207) [system] peek_char((0x563acd73bee0), ')')
   Call: (207) [system] ')'=(;)
   Fail: (207) [system] ')'=(;)
   Call: (207) [system] ')'=(/)
   Fail: (207) [system] ')'=(/)
^  Call: (207) [user] is_like_space(')')
   Call: (208) [system] char_type(')', 'white')
   Fail: (208) [system] char_type(')', 'white')
   Call: (208) [system] char_type(')', end_of_line)
   Fail: (208) [system] char_type(')', end_of_line)
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] char_type(')', cntrl)
   Fail: (208) [system] char_type(')', cntrl)
^  Fail: (207) [user] is_like_space(')')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _403472)
   Exit: (206) [system] peek_char((0x563acd73bee0), ')')
   Call: (206) [system] ')'=')'
   Exit: (206) [system] ')'=')'
   Call: (206) [system] get_char((0x563acd73bee0), _407262)
   Exit: (206) [system] get_char((0x563acd73bee0), ')')
   Call: (206) [system] _385604=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_list(')', (0x563acd73bee0), [])
   Call: (205) [system] _4192=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (205) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (204) [user] read_list(')', (0x563acd73bee0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (204) [system] _4150=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (204) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (203) [user] read_list(')', (0x563acd73bee0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (203) [system] _4142=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (203) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (202) [user] read_list(')', (0x563acd73bee0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (201) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (201) [user] read_list(')', (0x563acd73bee0), _421144)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _423002)
   Exit: (203) [system] peek_char((0x563acd73bee0), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
   Call: (203) [system] ')'=(/)
   Fail: (203) [system] ')'=(/)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _439012)
   Exit: (202) [system] peek_char((0x563acd73bee0), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x563acd73bee0), _442802)
   Exit: (202) [system] get_char((0x563acd73bee0), ')')
   Call: (202) [system] _421144=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x563acd73bee0), [])
   Call: (201) [system] _4138=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (201) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
   Call: (200) [system] _4096=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (200) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
   Call: (199) [system] _4088=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (199) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (198) [user] read_list(')', (0x563acd73bee0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
^  Exit: (197) [user] cont_sexpr(')', (0x563acd73bee0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
^  Call: (197) [user] read_list(')', (0x563acd73bee0), _456684)
^  Call: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _458542)
   Exit: (199) [system] peek_char((0x563acd73bee0), '\n')
   Call: (199) [system] '\n'=(;)
   Fail: (199) [system] '\n'=(;)
   Call: (199) [system] '\n'=(/)
   Fail: (199) [system] '\n'=(/)
^  Call: (199) [user] is_like_space('\n')
   Call: (200) [system] char_type('\n', 'white')
   Fail: (200) [system] char_type('\n', 'white')
   Call: (200) [system] char_type('\n', end_of_line)
   Exit: (200) [system] char_type('\n', end_of_line)
^  Exit: (199) [user] is_like_space('\n')
   Call: (199) [system] get_char((0x563acd73bee0), _469992)
   Exit: (199) [system] get_char((0x563acd73bee0), '\n')
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _472696)
   Exit: (200) [system] peek_char((0x563acd73bee0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
   Call: (200) [system] ' '=(/)
   Fail: (200) [system] ' '=(/)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x563acd73bee0), _482290)
   Exit: (200) [system] get_char((0x563acd73bee0), ' ')
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _484994)
   Exit: (201) [system] peek_char((0x563acd73bee0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
   Call: (201) [system] '('=(/)
   Fail: (201) [system] '('=(/)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
^  Exit: (198) [user] skip_spaces((0x563acd73bee0))
   Call: (198) [system] peek_char((0x563acd73bee0), _502852)
   Exit: (198) [system] peek_char((0x563acd73bee0), '(')
   Call: (198) [system] '('=')'
   Fail: (198) [system] '('=')'
   Call: (198) [system] '('=end_of_file
   Fail: (198) [system] '('=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x563acd73bee0), _508422)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _510280)
   Exit: (200) [system] peek_char((0x563acd73bee0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
   Call: (200) [system] '('=(/)
   Fail: (200) [system] '('=(/)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] get_char((0x563acd73bee0), _526290)
   Exit: (199) [system] get_char((0x563acd73bee0), '(')
   Call: (199) [system] '('='('
   Exit: (199) [system] '('='('
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _508422)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _531860)
   Exit: (201) [system] peek_char((0x563acd73bee0), :)
   Call: (201) [system] (:)=(;)
   Fail: (201) [system] (:)=(;)
   Call: (201) [system] (:)=(/)
   Fail: (201) [system] (:)=(/)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Fail: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Fail: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Fail: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
   Fail: (202) [system] char_type(:, cntrl)
^  Fail: (201) [user] is_like_space(:)
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _547870)
   Exit: (200) [system] peek_char((0x563acd73bee0), :)
   Call: (200) [system] (:)=')'
   Fail: (200) [system] (:)=')'
   Call: (200) [system] (:)=end_of_file
   Fail: (200) [system] (:)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x563acd73bee0), _553440)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _555298)
   Exit: (202) [system] peek_char((0x563acd73bee0), :)
   Call: (202) [system] (:)=(;)
   Fail: (202) [system] (:)=(;)
   Call: (202) [system] (:)=(/)
   Fail: (202) [system] (:)=(/)
^  Call: (202) [user] is_like_space(:)
   Call: (203) [system] char_type(:, 'white')
   Fail: (203) [system] char_type(:, 'white')
   Call: (203) [system] char_type(:, end_of_line)
   Fail: (203) [system] char_type(:, end_of_line)
   Call: (203) [system] char_type(:, space)
   Fail: (203) [system] char_type(:, space)
   Call: (203) [system] char_type(:, cntrl)
   Fail: (203) [system] char_type(:, cntrl)
^  Fail: (202) [user] is_like_space(:)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] get_char((0x563acd73bee0), _571308)
   Exit: (201) [system] get_char((0x563acd73bee0), :)
   Call: (201) [system] (:)='('
   Fail: (201) [system] (:)='('
   Call: (201) [system] (:)='['
   Fail: (201) [system] (:)='['
   Call: (201) [system] (:)='{'
   Fail: (201) [system] (:)='{'
   Call: (201) [system] (:)='"'
   Fail: (201) [system] (:)='"'
   Call: (201) [system] (:)=!
   Fail: (201) [system] (:)=!
   Call: (201) [system] (:)='\''
   Fail: (201) [system] (:)='\''
   Call: (201) [system] (:)='`'
   Fail: (201) [system] (:)='`'
   Call: (201) [system] (:)=end_of_file
   Fail: (201) [system] (:)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x563acd73bee0), :, _553440)
^  Call: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), _588950)
   Call: (203) [system] peek_char((0x563acd73bee0), _589884)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _588950=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (202) [user] classify_and_convert_charseq([:], _553440)
^  Call: (203) [user] classify_and_convert_charseq_([:], _599168)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_600120, _600122), once(user:catch(read_from_chars([:], _599168), _600102, fail)), '$restore_trace'(_600120, _600122))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_600120, _600122))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _600102, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(:)
   Exit: (204) [system] atomic(:)
^  Exit: (203) [user] classify_and_convert_charseq_([:], :)
   Call: (203) [system] integer(:)
   Fail: (203) [system] integer(:)
   Call: (203) [system] _553440=(:)
   Exit: (203) [system] (:)=(:)
^  Exit: (202) [user] classify_and_convert_charseq([:], :)
^  Exit: (201) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (200) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _612248)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _614106)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x563acd73bee0), _623700)
   Exit: (202) [system] get_char((0x563acd73bee0), ' ')
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _626404)
   Exit: (203) [system] peek_char((0x563acd73bee0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _643338)
   Exit: (201) [system] peek_char((0x563acd73bee0), '(')
   Call: (201) [system] '('=')'
   Fail: (201) [system] '('=')'
   Call: (201) [system] '('=end_of_file
   Fail: (201) [system] '('=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x563acd73bee0), _648908)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _650766)
   Exit: (203) [system] peek_char((0x563acd73bee0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] get_char((0x563acd73bee0), _666776)
   Exit: (202) [system] get_char((0x563acd73bee0), '(')
   Call: (202) [system] '('='('
   Exit: (202) [system] '('='('
^  Call: (202) [user] read_list(')', (0x563acd73bee0), _648908)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _672346)
   Exit: (204) [system] peek_char((0x563acd73bee0), 'D')
   Call: (204) [system] 'D'=(;)
   Fail: (204) [system] 'D'=(;)
   Call: (204) [system] 'D'=(/)
   Fail: (204) [system] 'D'=(/)
^  Call: (204) [user] is_like_space('D')
   Call: (205) [system] char_type('D', 'white')
   Fail: (205) [system] char_type('D', 'white')
   Call: (205) [system] char_type('D', end_of_line)
   Fail: (205) [system] char_type('D', end_of_line)
   Call: (205) [system] char_type('D', space)
   Fail: (205) [system] char_type('D', space)
   Call: (205) [system] char_type('D', cntrl)
   Fail: (205) [system] char_type('D', cntrl)
^  Fail: (204) [user] is_like_space('D')
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _688356)
   Exit: (203) [system] peek_char((0x563acd73bee0), 'D')
   Call: (203) [system] 'D'=')'
   Fail: (203) [system] 'D'=')'
   Call: (203) [system] 'D'=end_of_file
   Fail: (203) [system] 'D'=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x563acd73bee0), _693926)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _695784)
   Exit: (205) [system] peek_char((0x563acd73bee0), 'D')
   Call: (205) [system] 'D'=(;)
   Fail: (205) [system] 'D'=(;)
   Call: (205) [system] 'D'=(/)
   Fail: (205) [system] 'D'=(/)
^  Call: (205) [user] is_like_space('D')
   Call: (206) [system] char_type('D', 'white')
   Fail: (206) [system] char_type('D', 'white')
   Call: (206) [system] char_type('D', end_of_line)
   Fail: (206) [system] char_type('D', end_of_line)
   Call: (206) [system] char_type('D', space)
   Fail: (206) [system] char_type('D', space)
   Call: (206) [system] char_type('D', cntrl)
   Fail: (206) [system] char_type('D', cntrl)
^  Fail: (205) [user] is_like_space('D')
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] get_char((0x563acd73bee0), _711794)
   Exit: (204) [system] get_char((0x563acd73bee0), 'D')
   Call: (204) [system] 'D'='('
   Fail: (204) [system] 'D'='('
   Call: (204) [system] 'D'='['
   Fail: (204) [system] 'D'='['
   Call: (204) [system] 'D'='{'
   Fail: (204) [system] 'D'='{'
   Call: (204) [system] 'D'='"'
   Fail: (204) [system] 'D'='"'
   Call: (204) [system] 'D'=!
   Fail: (204) [system] 'D'=!
   Call: (204) [system] 'D'='\''
   Fail: (204) [system] 'D'='\''
   Call: (204) [system] 'D'='`'
   Fail: (204) [system] 'D'='`'
   Call: (204) [system] 'D'=end_of_file
   Fail: (204) [system] 'D'=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x563acd73bee0), 'D', _693926)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _729436)
   Call: (206) [system] peek_char((0x563acd73bee0), _730370)
   Exit: (206) [system] peek_char((0x563acd73bee0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_735090, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_736022, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x563acd73bee0), i)
   Exit: (206) [system] get_char((0x563acd73bee0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _743372)
   Call: (207) [system] peek_char((0x563acd73bee0), _744306)
   Exit: (207) [system] peek_char((0x563acd73bee0), s)
^  Call: (207) [user] is_delimiter(s)
   Call: (208) [system] char_type(s, space)
   Fail: (208) [system] char_type(s, space)
   Call: (208) [system] arg(_749026, v('(', ')', end_of_file), s)
   Fail: (208) [system] arg(_749958, v('(', ')', end_of_file), s)
^  Fail: (207) [user] is_delimiter(s)
   Call: (207) [system] ')'==s
   Fail: (207) [system] ')'==s
   Call: (207) [system] get_char((0x563acd73bee0), s)
   Exit: (207) [system] get_char((0x563acd73bee0), s)
   Call: (207) [system] s=(\)
   Fail: (207) [system] s=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _757308)
   Call: (208) [system] peek_char((0x563acd73bee0), _758242)
   Exit: (208) [system] peek_char((0x563acd73bee0), j)
^  Call: (208) [user] is_delimiter(j)
   Call: (209) [system] char_type(j, space)
   Fail: (209) [system] char_type(j, space)
   Call: (209) [system] arg(_762962, v('(', ')', end_of_file), j)
   Fail: (209) [system] arg(_763894, v('(', ')', end_of_file), j)
^  Fail: (208) [user] is_delimiter(j)
   Call: (208) [system] ')'==j
   Fail: (208) [system] ')'==j
   Call: (208) [system] get_char((0x563acd73bee0), j)
   Exit: (208) [system] get_char((0x563acd73bee0), j)
   Call: (208) [system] j=(\)
   Fail: (208) [system] j=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _771244)
   Call: (209) [system] peek_char((0x563acd73bee0), _772178)
   Exit: (209) [system] peek_char((0x563acd73bee0), u)
^  Call: (209) [user] is_delimiter(u)
   Call: (210) [system] char_type(u, space)
   Fail: (210) [system] char_type(u, space)
   Call: (210) [system] arg(_776898, v('(', ')', end_of_file), u)
   Fail: (210) [system] arg(_777830, v('(', ')', end_of_file), u)
^  Fail: (209) [user] is_delimiter(u)
   Call: (209) [system] ')'==u
   Fail: (209) [system] ')'==u
   Call: (209) [system] get_char((0x563acd73bee0), u)
   Exit: (209) [system] get_char((0x563acd73bee0), u)
   Call: (209) [system] u=(\)
   Fail: (209) [system] u=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _785180)
   Call: (210) [system] peek_char((0x563acd73bee0), _786114)
   Exit: (210) [system] peek_char((0x563acd73bee0), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Fail: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_790834, v('(', ')', end_of_file), n)
   Fail: (211) [system] arg(_791766, v('(', ')', end_of_file), n)
^  Fail: (210) [user] is_delimiter(n)
   Call: (210) [system] ')'==n
   Fail: (210) [system] ')'==n
   Call: (210) [system] get_char((0x563acd73bee0), n)
   Exit: (210) [system] get_char((0x563acd73bee0), n)
   Call: (210) [system] n=(\)
   Fail: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _799116)
   Call: (211) [system] peek_char((0x563acd73bee0), _800050)
   Exit: (211) [system] peek_char((0x563acd73bee0), c)
^  Call: (211) [user] is_delimiter(c)
   Call: (212) [system] char_type(c, space)
   Fail: (212) [system] char_type(c, space)
   Call: (212) [system] arg(_804770, v('(', ')', end_of_file), c)
   Fail: (212) [system] arg(_805702, v('(', ')', end_of_file), c)
^  Fail: (211) [user] is_delimiter(c)
   Call: (211) [system] ')'==c
   Fail: (211) [system] ')'==c
   Call: (211) [system] get_char((0x563acd73bee0), c)
   Exit: (211) [system] get_char((0x563acd73bee0), c)
   Call: (211) [system] c=(\)
   Fail: (211) [system] c=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _813052)
   Call: (212) [system] peek_char((0x563acd73bee0), _813986)
   Exit: (212) [system] peek_char((0x563acd73bee0), t)
^  Call: (212) [user] is_delimiter(t)
   Call: (213) [system] char_type(t, space)
   Fail: (213) [system] char_type(t, space)
   Call: (213) [system] arg(_818706, v('(', ')', end_of_file), t)
   Fail: (213) [system] arg(_819638, v('(', ')', end_of_file), t)
^  Fail: (212) [user] is_delimiter(t)
   Call: (212) [system] ')'==t
   Fail: (212) [system] ')'==t
   Call: (212) [system] get_char((0x563acd73bee0), t)
   Exit: (212) [system] get_char((0x563acd73bee0), t)
   Call: (212) [system] t=(\)
   Fail: (212) [system] t=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _826988)
   Call: (213) [system] peek_char((0x563acd73bee0), _827922)
   Exit: (213) [system] peek_char((0x563acd73bee0), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Fail: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_832642, v('(', ')', end_of_file), i)
   Fail: (214) [system] arg(_833574, v('(', ')', end_of_file), i)
^  Fail: (213) [user] is_delimiter(i)
   Call: (213) [system] ')'==i
   Fail: (213) [system] ')'==i
   Call: (213) [system] get_char((0x563acd73bee0), i)
   Exit: (213) [system] get_char((0x563acd73bee0), i)
   Call: (213) [system] i=(\)
   Fail: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _840924)
   Call: (214) [system] peek_char((0x563acd73bee0), _841858)
   Exit: (214) [system] peek_char((0x563acd73bee0), o)
^  Call: (214) [user] is_delimiter(o)
   Call: (215) [system] char_type(o, space)
   Fail: (215) [system] char_type(o, space)
   Call: (215) [system] arg(_846578, v('(', ')', end_of_file), o)
   Fail: (215) [system] arg(_847510, v('(', ')', end_of_file), o)
^  Fail: (214) [user] is_delimiter(o)
   Call: (214) [system] ')'==o
   Fail: (214) [system] ')'==o
   Call: (214) [system] get_char((0x563acd73bee0), o)
   Exit: (214) [system] get_char((0x563acd73bee0), o)
   Call: (214) [system] o=(\)
   Fail: (214) [system] o=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _854860)
   Call: (215) [system] peek_char((0x563acd73bee0), _855794)
   Exit: (215) [system] peek_char((0x563acd73bee0), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_860514, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_861446, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x563acd73bee0), n)
   Exit: (215) [system] get_char((0x563acd73bee0), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _868796)
   Call: (216) [system] peek_char((0x563acd73bee0), _869730)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'I')
^  Call: (216) [user] is_delimiter('I')
   Call: (217) [system] char_type('I', space)
   Fail: (217) [system] char_type('I', space)
   Call: (217) [system] arg(_874450, v('(', ')', end_of_file), 'I')
   Fail: (217) [system] arg(_875382, v('(', ')', end_of_file), 'I')
^  Fail: (216) [user] is_delimiter('I')
   Call: (216) [system] ')'=='I'
   Fail: (216) [system] ')'=='I'
   Call: (216) [system] get_char((0x563acd73bee0), 'I')
   Exit: (216) [system] get_char((0x563acd73bee0), 'I')
   Call: (216) [system] 'I'=(\)
   Fail: (216) [system] 'I'=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _882732)
   Call: (217) [system] peek_char((0x563acd73bee0), _883666)
   Exit: (217) [system] peek_char((0x563acd73bee0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_888386, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_889318, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x563acd73bee0), n)
   Exit: (217) [system] get_char((0x563acd73bee0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _896668)
   Call: (218) [system] peek_char((0x563acd73bee0), _897602)
   Exit: (218) [system] peek_char((0x563acd73bee0), t)
^  Call: (218) [user] is_delimiter(t)
   Call: (219) [system] char_type(t, space)
   Fail: (219) [system] char_type(t, space)
   Call: (219) [system] arg(_902322, v('(', ')', end_of_file), t)
   Fail: (219) [system] arg(_903254, v('(', ')', end_of_file), t)
^  Fail: (218) [user] is_delimiter(t)
   Call: (218) [system] ')'==t
   Fail: (218) [system] ')'==t
   Call: (218) [system] get_char((0x563acd73bee0), t)
   Exit: (218) [system] get_char((0x563acd73bee0), t)
   Call: (218) [system] t=(\)
   Fail: (218) [system] t=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _910604)
   Call: (219) [system] peek_char((0x563acd73bee0), _911538)
   Exit: (219) [system] peek_char((0x563acd73bee0), r)
^  Call: (219) [user] is_delimiter(r)
   Call: (220) [system] char_type(r, space)
   Fail: (220) [system] char_type(r, space)
   Call: (220) [system] arg(_916258, v('(', ')', end_of_file), r)
   Fail: (220) [system] arg(_917190, v('(', ')', end_of_file), r)
^  Fail: (219) [user] is_delimiter(r)
   Call: (219) [system] ')'==r
   Fail: (219) [system] ')'==r
   Call: (219) [system] get_char((0x563acd73bee0), r)
   Exit: (219) [system] get_char((0x563acd73bee0), r)
   Call: (219) [system] r=(\)
   Fail: (219) [system] r=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _924540)
   Call: (220) [system] peek_char((0x563acd73bee0), _925474)
   Exit: (220) [system] peek_char((0x563acd73bee0), o)
^  Call: (220) [user] is_delimiter(o)
   Call: (221) [system] char_type(o, space)
   Fail: (221) [system] char_type(o, space)
   Call: (221) [system] arg(_930194, v('(', ')', end_of_file), o)
   Fail: (221) [system] arg(_931126, v('(', ')', end_of_file), o)
^  Fail: (220) [user] is_delimiter(o)
   Call: (220) [system] ')'==o
   Fail: (220) [system] ')'==o
   Call: (220) [system] get_char((0x563acd73bee0), o)
   Exit: (220) [system] get_char((0x563acd73bee0), o)
   Call: (220) [system] o=(\)
   Fail: (220) [system] o=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _938476)
   Call: (221) [system] peek_char((0x563acd73bee0), _939410)
   Exit: (221) [system] peek_char((0x563acd73bee0), d)
^  Call: (221) [user] is_delimiter(d)
   Call: (222) [system] char_type(d, space)
   Fail: (222) [system] char_type(d, space)
   Call: (222) [system] arg(_944130, v('(', ')', end_of_file), d)
   Fail: (222) [system] arg(_945062, v('(', ')', end_of_file), d)
^  Fail: (221) [user] is_delimiter(d)
   Call: (221) [system] ')'==d
   Fail: (221) [system] ')'==d
   Call: (221) [system] get_char((0x563acd73bee0), d)
   Exit: (221) [system] get_char((0x563acd73bee0), d)
   Call: (221) [system] d=(\)
   Fail: (221) [system] d=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _952412)
   Call: (222) [system] peek_char((0x563acd73bee0), _953346)
   Exit: (222) [system] peek_char((0x563acd73bee0), u)
^  Call: (222) [user] is_delimiter(u)
   Call: (223) [system] char_type(u, space)
   Fail: (223) [system] char_type(u, space)
   Call: (223) [system] arg(_958066, v('(', ')', end_of_file), u)
   Fail: (223) [system] arg(_958998, v('(', ')', end_of_file), u)
^  Fail: (222) [user] is_delimiter(u)
   Call: (222) [system] ')'==u
   Fail: (222) [system] ')'==u
   Call: (222) [system] get_char((0x563acd73bee0), u)
   Exit: (222) [system] get_char((0x563acd73bee0), u)
   Call: (222) [system] u=(\)
   Fail: (222) [system] u=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _966348)
   Call: (223) [system] peek_char((0x563acd73bee0), _967282)
   Exit: (223) [system] peek_char((0x563acd73bee0), c)
^  Call: (223) [user] is_delimiter(c)
   Call: (224) [system] char_type(c, space)
   Fail: (224) [system] char_type(c, space)
   Call: (224) [system] arg(_972002, v('(', ')', end_of_file), c)
   Fail: (224) [system] arg(_972934, v('(', ')', end_of_file), c)
^  Fail: (223) [user] is_delimiter(c)
   Call: (223) [system] ')'==c
   Fail: (223) [system] ')'==c
   Call: (223) [system] get_char((0x563acd73bee0), c)
   Exit: (223) [system] get_char((0x563acd73bee0), c)
   Call: (223) [system] c=(\)
   Fail: (223) [system] c=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _980284)
   Call: (224) [system] peek_char((0x563acd73bee0), _981218)
   Exit: (224) [system] peek_char((0x563acd73bee0), t)
^  Call: (224) [user] is_delimiter(t)
   Call: (225) [system] char_type(t, space)
   Fail: (225) [system] char_type(t, space)
   Call: (225) [system] arg(_985938, v('(', ')', end_of_file), t)
   Fail: (225) [system] arg(_986870, v('(', ')', end_of_file), t)
^  Fail: (224) [user] is_delimiter(t)
   Call: (224) [system] ')'==t
   Fail: (224) [system] ')'==t
   Call: (224) [system] get_char((0x563acd73bee0), t)
   Exit: (224) [system] get_char((0x563acd73bee0), t)
   Call: (224) [system] t=(\)
   Fail: (224) [system] t=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _994220)
   Call: (225) [system] peek_char((0x563acd73bee0), _995154)
   Exit: (225) [system] peek_char((0x563acd73bee0), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_999874, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_1000806, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x563acd73bee0), i)
   Exit: (225) [system] get_char((0x563acd73bee0), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _1008156)
   Call: (226) [system] peek_char((0x563acd73bee0), _1009090)
   Exit: (226) [system] peek_char((0x563acd73bee0), o)
^  Call: (226) [user] is_delimiter(o)
   Call: (227) [system] char_type(o, space)
   Fail: (227) [system] char_type(o, space)
   Call: (227) [system] arg(_1013810, v('(', ')', end_of_file), o)
   Fail: (227) [system] arg(_1014742, v('(', ')', end_of_file), o)
^  Fail: (226) [user] is_delimiter(o)
   Call: (226) [system] ')'==o
   Fail: (226) [system] ')'==o
   Call: (226) [system] get_char((0x563acd73bee0), o)
   Exit: (226) [system] get_char((0x563acd73bee0), o)
   Call: (226) [system] o=(\)
   Fail: (226) [system] o=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _1022092)
   Call: (227) [system] peek_char((0x563acd73bee0), _1023026)
   Exit: (227) [system] peek_char((0x563acd73bee0), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_1027746, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_1028678, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x563acd73bee0), n)
   Exit: (227) [system] get_char((0x563acd73bee0), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _1036028)
   Call: (228) [system] peek_char((0x563acd73bee0), _1036962)
   Exit: (228) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _1036028=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (227) [system] _1022092=[n]
   Exit: (227) [system] [n]=[n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (226) [system] _1008156=[o, n]
   Exit: (226) [system] [o, n]=[o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (225) [system] _994220=[i, o, n]
   Exit: (225) [system] [i, o, n]=[i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (224) [system] _980284=[t, i, o, n]
   Exit: (224) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (223) [system] _966348=[c, t, i, o, n]
   Exit: (223) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n])
   Call: (222) [system] _952412=[u, c, t, i, o, n]
   Exit: (222) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, i, o, n])
   Call: (221) [system] _938476=[d, u, c, t, i, o, n]
   Exit: (221) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, u, c, t, i, o, n])
   Call: (220) [system] _924540=[o, d, u, c, t, i, o, n]
   Exit: (220) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, d, u, c, t, i, o, n])
   Call: (219) [system] _910604=[r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _896668=[t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _882732=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _868796=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _854860=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _840924=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _826988=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _813052=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _799116=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _785180=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _771244=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _757308=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (207) [system] _743372=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (207) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (206) [system] _729436=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (206) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (205) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _693926)
^  Call: (206) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1107714)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_1108666, _1108668), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1107714), _1108648, fail)), '$restore_trace'(_1108666, _1108668))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_1108666, _1108668))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1107714), _1108648, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(_1107714)
   Fail: (207) [system] atomic(_1107714)
   Call: (207) [system] atom_chars(_1107714, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (207) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (206) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (206) [system] integer('DisjunctionIntroduction')
   Fail: (206) [system] integer('DisjunctionIntroduction')
   Call: (206) [system] _693926='DisjunctionIntroduction'
   Exit: (206) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (205) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (204) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'DisjunctionIntroduction')
^  Exit: (203) [user] cont_sexpr(')', (0x563acd73bee0), 'DisjunctionIntroduction')
^  Call: (203) [user] read_list(')', (0x563acd73bee0), _1122664)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1124522)
   Exit: (205) [system] peek_char((0x563acd73bee0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x563acd73bee0), _1134116)
   Exit: (205) [system] get_char((0x563acd73bee0), ' ')
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1136820)
   Exit: (206) [system] peek_char((0x563acd73bee0), a)
   Call: (206) [system] a=(;)
   Fail: (206) [system] a=(;)
   Call: (206) [system] a=(/)
   Fail: (206) [system] a=(/)
^  Call: (206) [user] is_like_space(a)
   Call: (207) [system] char_type(a, 'white')
   Fail: (207) [system] char_type(a, 'white')
   Call: (207) [system] char_type(a, end_of_line)
   Fail: (207) [system] char_type(a, end_of_line)
   Call: (207) [system] char_type(a, space)
   Fail: (207) [system] char_type(a, space)
   Call: (207) [system] char_type(a, cntrl)
   Fail: (207) [system] char_type(a, cntrl)
^  Fail: (206) [user] is_like_space(a)
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1153754)
   Exit: (204) [system] peek_char((0x563acd73bee0), a)
   Call: (204) [system] a=')'
   Fail: (204) [system] a=')'
   Call: (204) [system] a=end_of_file
   Fail: (204) [system] a=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x563acd73bee0), _1159324)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1161182)
   Exit: (206) [system] peek_char((0x563acd73bee0), a)
   Call: (206) [system] a=(;)
   Fail: (206) [system] a=(;)
   Call: (206) [system] a=(/)
   Fail: (206) [system] a=(/)
^  Call: (206) [user] is_like_space(a)
   Call: (207) [system] char_type(a, 'white')
   Fail: (207) [system] char_type(a, 'white')
   Call: (207) [system] char_type(a, end_of_line)
   Fail: (207) [system] char_type(a, end_of_line)
   Call: (207) [system] char_type(a, space)
   Fail: (207) [system] char_type(a, space)
   Call: (207) [system] char_type(a, cntrl)
   Fail: (207) [system] char_type(a, cntrl)
^  Fail: (206) [user] is_like_space(a)
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] get_char((0x563acd73bee0), _1177192)
   Exit: (205) [system] get_char((0x563acd73bee0), a)
   Call: (205) [system] a='('
   Fail: (205) [system] a='('
   Call: (205) [system] a='['
   Fail: (205) [system] a='['
   Call: (205) [system] a='{'
   Fail: (205) [system] a='{'
   Call: (205) [system] a='"'
   Fail: (205) [system] a='"'
   Call: (205) [system] a=!
   Fail: (205) [system] a=!
   Call: (205) [system] a='\''
   Fail: (205) [system] a='\''
   Call: (205) [system] a='`'
   Fail: (205) [system] a='`'
   Call: (205) [system] a=end_of_file
   Fail: (205) [system] a=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x563acd73bee0), a, _1159324)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1194834)
   Call: (207) [system] peek_char((0x563acd73bee0), _1195768)
   Exit: (207) [system] peek_char((0x563acd73bee0), b)
^  Call: (207) [user] is_delimiter(b)
   Call: (208) [system] char_type(b, space)
   Fail: (208) [system] char_type(b, space)
   Call: (208) [system] arg(_1200488, v('(', ')', end_of_file), b)
   Fail: (208) [system] arg(_1201420, v('(', ')', end_of_file), b)
^  Fail: (207) [user] is_delimiter(b)
   Call: (207) [system] ')'==b
   Fail: (207) [system] ')'==b
   Call: (207) [system] get_char((0x563acd73bee0), b)
   Exit: (207) [system] get_char((0x563acd73bee0), b)
   Call: (207) [system] b=(\)
   Fail: (207) [system] b=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1208770)
   Call: (208) [system] peek_char((0x563acd73bee0), _1209704)
   Exit: (208) [system] peek_char((0x563acd73bee0), c)
^  Call: (208) [user] is_delimiter(c)
   Call: (209) [system] char_type(c, space)
   Fail: (209) [system] char_type(c, space)
   Call: (209) [system] arg(_1214424, v('(', ')', end_of_file), c)
   Fail: (209) [system] arg(_1215356, v('(', ')', end_of_file), c)
^  Fail: (208) [user] is_delimiter(c)
   Call: (208) [system] ')'==c
   Fail: (208) [system] ')'==c
   Call: (208) [system] get_char((0x563acd73bee0), c)
   Exit: (208) [system] get_char((0x563acd73bee0), c)
   Call: (208) [system] c=(\)
   Fail: (208) [system] c=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1222706)
   Call: (209) [system] peek_char((0x563acd73bee0), _1223640)
   Exit: (209) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _1222706=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (208) [system] _1208770=[c]
   Exit: (208) [system] [c]=[c]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [c])
   Call: (207) [system] _1194834=[b, c]
   Exit: (207) [system] [b, c]=[b, c]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [b, c])
^  Call: (206) [user] classify_and_convert_charseq([a, b, c], _1159324)
^  Call: (207) [user] classify_and_convert_charseq_([a, b, c], _1238512)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_1239464, _1239466), once(user:catch(read_from_chars([a, b, c], _1238512), _1239446, fail)), '$restore_trace'(_1239464, _1239466))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_1239464, _1239466))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1239446, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(abc)
   Exit: (208) [system] atomic(abc)
^  Exit: (207) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (207) [system] integer(abc)
   Fail: (207) [system] integer(abc)
   Call: (207) [system] _1159324=abc
   Exit: (207) [system] abc=abc
^  Exit: (206) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (205) [user] read_symbolic(')', (0x563acd73bee0), a, abc)
^  Exit: (204) [user] cont_sexpr(')', (0x563acd73bee0), abc)
^  Call: (204) [user] read_list(')', (0x563acd73bee0), _1251592)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1253450)
   Exit: (206) [system] peek_char((0x563acd73bee0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
   Call: (206) [system] ' '=(/)
   Fail: (206) [system] ' '=(/)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x563acd73bee0), _1263044)
   Exit: (206) [system] get_char((0x563acd73bee0), ' ')
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1265748)
   Exit: (207) [system] peek_char((0x563acd73bee0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1282682)
   Exit: (205) [system] peek_char((0x563acd73bee0), '(')
   Call: (205) [system] '('=')'
   Fail: (205) [system] '('=')'
   Call: (205) [system] '('=end_of_file
   Fail: (205) [system] '('=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x563acd73bee0), _1288252)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1290110)
   Exit: (207) [system] peek_char((0x563acd73bee0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] get_char((0x563acd73bee0), _1306120)
   Exit: (206) [system] get_char((0x563acd73bee0), '(')
   Call: (206) [system] '('='('
   Exit: (206) [system] '('='('
^  Call: (206) [user] read_list(')', (0x563acd73bee0), _1288252)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1311690)
   Exit: (208) [system] peek_char((0x563acd73bee0), 'D')
   Call: (208) [system] 'D'=(;)
   Fail: (208) [system] 'D'=(;)
   Call: (208) [system] 'D'=(/)
   Fail: (208) [system] 'D'=(/)
^  Call: (208) [user] is_like_space('D')
   Call: (209) [system] char_type('D', 'white')
   Fail: (209) [system] char_type('D', 'white')
   Call: (209) [system] char_type('D', end_of_line)
   Fail: (209) [system] char_type('D', end_of_line)
   Call: (209) [system] char_type('D', space)
   Fail: (209) [system] char_type('D', space)
   Call: (209) [system] char_type('D', cntrl)
   Fail: (209) [system] char_type('D', cntrl)
^  Fail: (208) [user] is_like_space('D')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1327700)
   Exit: (207) [system] peek_char((0x563acd73bee0), 'D')
   Call: (207) [system] 'D'=')'
   Fail: (207) [system] 'D'=')'
   Call: (207) [system] 'D'=end_of_file
   Fail: (207) [system] 'D'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x563acd73bee0), _1333270)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1335128)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'D')
   Call: (209) [system] 'D'=(;)
   Fail: (209) [system] 'D'=(;)
   Call: (209) [system] 'D'=(/)
   Fail: (209) [system] 'D'=(/)
^  Call: (209) [user] is_like_space('D')
   Call: (210) [system] char_type('D', 'white')
   Fail: (210) [system] char_type('D', 'white')
   Call: (210) [system] char_type('D', end_of_line)
   Fail: (210) [system] char_type('D', end_of_line)
   Call: (210) [system] char_type('D', space)
   Fail: (210) [system] char_type('D', space)
   Call: (210) [system] char_type('D', cntrl)
   Fail: (210) [system] char_type('D', cntrl)
^  Fail: (209) [user] is_like_space('D')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] get_char((0x563acd73bee0), _1351138)
   Exit: (208) [system] get_char((0x563acd73bee0), 'D')
   Call: (208) [system] 'D'='('
   Fail: (208) [system] 'D'='('
   Call: (208) [system] 'D'='['
   Fail: (208) [system] 'D'='['
   Call: (208) [system] 'D'='{'
   Fail: (208) [system] 'D'='{'
   Call: (208) [system] 'D'='"'
   Fail: (208) [system] 'D'='"'
   Call: (208) [system] 'D'=!
   Fail: (208) [system] 'D'=!
   Call: (208) [system] 'D'='\''
   Fail: (208) [system] 'D'='\''
   Call: (208) [system] 'D'='`'
   Fail: (208) [system] 'D'='`'
   Call: (208) [system] 'D'=end_of_file
   Fail: (208) [system] 'D'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x563acd73bee0), 'D', _1333270)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1368780)
   Call: (210) [system] peek_char((0x563acd73bee0), _1369714)
   Exit: (210) [system] peek_char((0x563acd73bee0), i)
^  Call: (210) [user] is_delimiter(i)
   Call: (211) [system] char_type(i, space)
   Fail: (211) [system] char_type(i, space)
   Call: (211) [system] arg(_1374434, v('(', ')', end_of_file), i)
   Fail: (211) [system] arg(_1375366, v('(', ')', end_of_file), i)
^  Fail: (210) [user] is_delimiter(i)
   Call: (210) [system] ')'==i
   Fail: (210) [system] ')'==i
   Call: (210) [system] get_char((0x563acd73bee0), i)
   Exit: (210) [system] get_char((0x563acd73bee0), i)
   Call: (210) [system] i=(\)
   Fail: (210) [system] i=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1382716)
   Call: (211) [system] peek_char((0x563acd73bee0), _1383650)
   Exit: (211) [system] peek_char((0x563acd73bee0), s)
^  Call: (211) [user] is_delimiter(s)
   Call: (212) [system] char_type(s, space)
   Fail: (212) [system] char_type(s, space)
   Call: (212) [system] arg(_1388370, v('(', ')', end_of_file), s)
   Fail: (212) [system] arg(_1389302, v('(', ')', end_of_file), s)
^  Fail: (211) [user] is_delimiter(s)
   Call: (211) [system] ')'==s
   Fail: (211) [system] ')'==s
   Call: (211) [system] get_char((0x563acd73bee0), s)
   Exit: (211) [system] get_char((0x563acd73bee0), s)
   Call: (211) [system] s=(\)
   Fail: (211) [system] s=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1396652)
   Call: (212) [system] peek_char((0x563acd73bee0), _1397586)
   Exit: (212) [system] peek_char((0x563acd73bee0), j)
^  Call: (212) [user] is_delimiter(j)
   Call: (213) [system] char_type(j, space)
   Fail: (213) [system] char_type(j, space)
   Call: (213) [system] arg(_1402306, v('(', ')', end_of_file), j)
   Fail: (213) [system] arg(_1403238, v('(', ')', end_of_file), j)
^  Fail: (212) [user] is_delimiter(j)
   Call: (212) [system] ')'==j
   Fail: (212) [system] ')'==j
   Call: (212) [system] get_char((0x563acd73bee0), j)
   Exit: (212) [system] get_char((0x563acd73bee0), j)
   Call: (212) [system] j=(\)
   Fail: (212) [system] j=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _1410588)
   Call: (213) [system] peek_char((0x563acd73bee0), _1411522)
   Exit: (213) [system] peek_char((0x563acd73bee0), u)
^  Call: (213) [user] is_delimiter(u)
   Call: (214) [system] char_type(u, space)
   Fail: (214) [system] char_type(u, space)
   Call: (214) [system] arg(_1416242, v('(', ')', end_of_file), u)
   Fail: (214) [system] arg(_1417174, v('(', ')', end_of_file), u)
^  Fail: (213) [user] is_delimiter(u)
   Call: (213) [system] ')'==u
   Fail: (213) [system] ')'==u
   Call: (213) [system] get_char((0x563acd73bee0), u)
   Exit: (213) [system] get_char((0x563acd73bee0), u)
   Call: (213) [system] u=(\)
   Fail: (213) [system] u=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _1424524)
   Call: (214) [system] peek_char((0x563acd73bee0), _1425458)
   Exit: (214) [system] peek_char((0x563acd73bee0), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_1430178, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_1431110, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x563acd73bee0), n)
   Exit: (214) [system] get_char((0x563acd73bee0), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _1438460)
   Call: (215) [system] peek_char((0x563acd73bee0), _1439394)
   Exit: (215) [system] peek_char((0x563acd73bee0), c)
^  Call: (215) [user] is_delimiter(c)
   Call: (216) [system] char_type(c, space)
   Fail: (216) [system] char_type(c, space)
   Call: (216) [system] arg(_1444114, v('(', ')', end_of_file), c)
   Fail: (216) [system] arg(_1445046, v('(', ')', end_of_file), c)
^  Fail: (215) [user] is_delimiter(c)
   Call: (215) [system] ')'==c
   Fail: (215) [system] ')'==c
   Call: (215) [system] get_char((0x563acd73bee0), c)
   Exit: (215) [system] get_char((0x563acd73bee0), c)
   Call: (215) [system] c=(\)
   Fail: (215) [system] c=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _1452396)
   Call: (216) [system] peek_char((0x563acd73bee0), _1453330)
   Exit: (216) [system] peek_char((0x563acd73bee0), t)
^  Call: (216) [user] is_delimiter(t)
   Call: (217) [system] char_type(t, space)
   Fail: (217) [system] char_type(t, space)
   Call: (217) [system] arg(_1458050, v('(', ')', end_of_file), t)
   Fail: (217) [system] arg(_1458982, v('(', ')', end_of_file), t)
^  Fail: (216) [user] is_delimiter(t)
   Call: (216) [system] ')'==t
   Fail: (216) [system] ')'==t
   Call: (216) [system] get_char((0x563acd73bee0), t)
   Exit: (216) [system] get_char((0x563acd73bee0), t)
   Call: (216) [system] t=(\)
   Fail: (216) [system] t=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _1466332)
   Call: (217) [system] peek_char((0x563acd73bee0), _1467266)
   Exit: (217) [system] peek_char((0x563acd73bee0), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_1471986, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_1472918, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x563acd73bee0), i)
   Exit: (217) [system] get_char((0x563acd73bee0), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _1480268)
   Call: (218) [system] peek_char((0x563acd73bee0), _1481202)
   Exit: (218) [system] peek_char((0x563acd73bee0), o)
^  Call: (218) [user] is_delimiter(o)
   Call: (219) [system] char_type(o, space)
   Fail: (219) [system] char_type(o, space)
   Call: (219) [system] arg(_1485922, v('(', ')', end_of_file), o)
   Fail: (219) [system] arg(_1486854, v('(', ')', end_of_file), o)
^  Fail: (218) [user] is_delimiter(o)
   Call: (218) [system] ')'==o
   Fail: (218) [system] ')'==o
   Call: (218) [system] get_char((0x563acd73bee0), o)
   Exit: (218) [system] get_char((0x563acd73bee0), o)
   Call: (218) [system] o=(\)
   Fail: (218) [system] o=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _1494204)
   Call: (219) [system] peek_char((0x563acd73bee0), _1495138)
   Exit: (219) [system] peek_char((0x563acd73bee0), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_1499858, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_1500790, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x563acd73bee0), n)
   Exit: (219) [system] get_char((0x563acd73bee0), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _1508140)
   Call: (220) [system] peek_char((0x563acd73bee0), _1509074)
   Exit: (220) [system] peek_char((0x563acd73bee0), 'I')
^  Call: (220) [user] is_delimiter('I')
   Call: (221) [system] char_type('I', space)
   Fail: (221) [system] char_type('I', space)
   Call: (221) [system] arg(_1513794, v('(', ')', end_of_file), 'I')
   Fail: (221) [system] arg(_1514726, v('(', ')', end_of_file), 'I')
^  Fail: (220) [user] is_delimiter('I')
   Call: (220) [system] ')'=='I'
   Fail: (220) [system] ')'=='I'
   Call: (220) [system] get_char((0x563acd73bee0), 'I')
   Exit: (220) [system] get_char((0x563acd73bee0), 'I')
   Call: (220) [system] 'I'=(\)
   Fail: (220) [system] 'I'=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _1522076)
   Call: (221) [system] peek_char((0x563acd73bee0), _1523010)
   Exit: (221) [system] peek_char((0x563acd73bee0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_1527730, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_1528662, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x563acd73bee0), n)
   Exit: (221) [system] get_char((0x563acd73bee0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _1536012)
   Call: (222) [system] peek_char((0x563acd73bee0), _1536946)
   Exit: (222) [system] peek_char((0x563acd73bee0), t)
^  Call: (222) [user] is_delimiter(t)
   Call: (223) [system] char_type(t, space)
   Fail: (223) [system] char_type(t, space)
   Call: (223) [system] arg(_1541666, v('(', ')', end_of_file), t)
   Fail: (223) [system] arg(_1542598, v('(', ')', end_of_file), t)
^  Fail: (222) [user] is_delimiter(t)
   Call: (222) [system] ')'==t
   Fail: (222) [system] ')'==t
   Call: (222) [system] get_char((0x563acd73bee0), t)
   Exit: (222) [system] get_char((0x563acd73bee0), t)
   Call: (222) [system] t=(\)
   Fail: (222) [system] t=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _1549948)
   Call: (223) [system] peek_char((0x563acd73bee0), _1550882)
   Exit: (223) [system] peek_char((0x563acd73bee0), r)
^  Call: (223) [user] is_delimiter(r)
   Call: (224) [system] char_type(r, space)
   Fail: (224) [system] char_type(r, space)
   Call: (224) [system] arg(_1555602, v('(', ')', end_of_file), r)
   Fail: (224) [system] arg(_1556534, v('(', ')', end_of_file), r)
^  Fail: (223) [user] is_delimiter(r)
   Call: (223) [system] ')'==r
   Fail: (223) [system] ')'==r
   Call: (223) [system] get_char((0x563acd73bee0), r)
   Exit: (223) [system] get_char((0x563acd73bee0), r)
   Call: (223) [system] r=(\)
   Fail: (223) [system] r=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _1563884)
   Call: (224) [system] peek_char((0x563acd73bee0), _1564818)
   Exit: (224) [system] peek_char((0x563acd73bee0), o)
^  Call: (224) [user] is_delimiter(o)
   Call: (225) [system] char_type(o, space)
   Fail: (225) [system] char_type(o, space)
   Call: (225) [system] arg(_1569538, v('(', ')', end_of_file), o)
   Fail: (225) [system] arg(_1570470, v('(', ')', end_of_file), o)
^  Fail: (224) [user] is_delimiter(o)
   Call: (224) [system] ')'==o
   Fail: (224) [system] ')'==o
   Call: (224) [system] get_char((0x563acd73bee0), o)
   Exit: (224) [system] get_char((0x563acd73bee0), o)
   Call: (224) [system] o=(\)
   Fail: (224) [system] o=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _1577820)
   Call: (225) [system] peek_char((0x563acd73bee0), _1578754)
   Exit: (225) [system] peek_char((0x563acd73bee0), d)
^  Call: (225) [user] is_delimiter(d)
   Call: (226) [system] char_type(d, space)
   Fail: (226) [system] char_type(d, space)
   Call: (226) [system] arg(_1583474, v('(', ')', end_of_file), d)
   Fail: (226) [system] arg(_1584406, v('(', ')', end_of_file), d)
^  Fail: (225) [user] is_delimiter(d)
   Call: (225) [system] ')'==d
   Fail: (225) [system] ')'==d
   Call: (225) [system] get_char((0x563acd73bee0), d)
   Exit: (225) [system] get_char((0x563acd73bee0), d)
   Call: (225) [system] d=(\)
   Fail: (225) [system] d=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _1591756)
   Call: (226) [system] peek_char((0x563acd73bee0), _1592690)
   Exit: (226) [system] peek_char((0x563acd73bee0), u)
^  Call: (226) [user] is_delimiter(u)
   Call: (227) [system] char_type(u, space)
   Fail: (227) [system] char_type(u, space)
   Call: (227) [system] arg(_1597410, v('(', ')', end_of_file), u)
   Fail: (227) [system] arg(_1598342, v('(', ')', end_of_file), u)
^  Fail: (226) [user] is_delimiter(u)
   Call: (226) [system] ')'==u
   Fail: (226) [system] ')'==u
   Call: (226) [system] get_char((0x563acd73bee0), u)
   Exit: (226) [system] get_char((0x563acd73bee0), u)
   Call: (226) [system] u=(\)
   Fail: (226) [system] u=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _1605692)
   Call: (227) [system] peek_char((0x563acd73bee0), _1606626)
   Exit: (227) [system] peek_char((0x563acd73bee0), c)
^  Call: (227) [user] is_delimiter(c)
   Call: (228) [system] char_type(c, space)
   Fail: (228) [system] char_type(c, space)
   Call: (228) [system] arg(_1611346, v('(', ')', end_of_file), c)
   Fail: (228) [system] arg(_1612278, v('(', ')', end_of_file), c)
^  Fail: (227) [user] is_delimiter(c)
   Call: (227) [system] ')'==c
   Fail: (227) [system] ')'==c
   Call: (227) [system] get_char((0x563acd73bee0), c)
   Exit: (227) [system] get_char((0x563acd73bee0), c)
   Call: (227) [system] c=(\)
   Fail: (227) [system] c=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _1619628)
   Call: (228) [system] peek_char((0x563acd73bee0), _1620562)
   Exit: (228) [system] peek_char((0x563acd73bee0), t)
^  Call: (228) [user] is_delimiter(t)
   Call: (229) [system] char_type(t, space)
   Fail: (229) [system] char_type(t, space)
   Call: (229) [system] arg(_1625282, v('(', ')', end_of_file), t)
   Fail: (229) [system] arg(_1626214, v('(', ')', end_of_file), t)
^  Fail: (228) [user] is_delimiter(t)
   Call: (228) [system] ')'==t
   Fail: (228) [system] ')'==t
   Call: (228) [system] get_char((0x563acd73bee0), t)
   Exit: (228) [system] get_char((0x563acd73bee0), t)
   Call: (228) [system] t=(\)
   Fail: (228) [system] t=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _1633564)
   Call: (229) [system] peek_char((0x563acd73bee0), _1634498)
   Exit: (229) [system] peek_char((0x563acd73bee0), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_1639218, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_1640150, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x563acd73bee0), i)
   Exit: (229) [system] get_char((0x563acd73bee0), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _1647500)
   Call: (230) [system] peek_char((0x563acd73bee0), _1648434)
   Exit: (230) [system] peek_char((0x563acd73bee0), o)
^  Call: (230) [user] is_delimiter(o)
   Call: (231) [system] char_type(o, space)
   Fail: (231) [system] char_type(o, space)
   Call: (231) [system] arg(_1653154, v('(', ')', end_of_file), o)
   Fail: (231) [system] arg(_1654086, v('(', ')', end_of_file), o)
^  Fail: (230) [user] is_delimiter(o)
   Call: (230) [system] ')'==o
   Fail: (230) [system] ')'==o
   Call: (230) [system] get_char((0x563acd73bee0), o)
   Exit: (230) [system] get_char((0x563acd73bee0), o)
   Call: (230) [system] o=(\)
   Fail: (230) [system] o=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _1661436)
   Call: (231) [system] peek_char((0x563acd73bee0), _1662370)
   Exit: (231) [system] peek_char((0x563acd73bee0), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_1667090, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_1668022, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x563acd73bee0), n)
   Exit: (231) [system] get_char((0x563acd73bee0), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _1675372)
   Call: (232) [system] peek_char((0x563acd73bee0), _1676306)
   Exit: (232) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _1675372=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (231) [system] _1661436=[n]
   Exit: (231) [system] [n]=[n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (230) [system] _1647500=[o, n]
   Exit: (230) [system] [o, n]=[o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (229) [system] _1633564=[i, o, n]
   Exit: (229) [system] [i, o, n]=[i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (228) [system] _1619628=[t, i, o, n]
   Exit: (228) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (227) [system] _1605692=[c, t, i, o, n]
   Exit: (227) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n])
   Call: (226) [system] _1591756=[u, c, t, i, o, n]
   Exit: (226) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, i, o, n])
   Call: (225) [system] _1577820=[d, u, c, t, i, o, n]
   Exit: (225) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, u, c, t, i, o, n])
   Call: (224) [system] _1563884=[o, d, u, c, t, i, o, n]
   Exit: (224) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, d, u, c, t, i, o, n])
   Call: (223) [system] _1549948=[r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1536012=[t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1522076=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1508140=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1494204=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1480268=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1466332=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1452396=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1438460=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _1424524=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1410588=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _1396652=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _1382716=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _1368780=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (209) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1333270)
^  Call: (210) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1747058)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1748010, _1748012), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1747058), _1747992, fail)), '$restore_trace'(_1748010, _1748012))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1748010, _1748012))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1747058), _1747992, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_1747058)
   Fail: (211) [system] atomic(_1747058)
   Call: (211) [system] atom_chars(_1747058, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (211) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (210) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (210) [system] integer('DisjunctionIntroduction')
   Fail: (210) [system] integer('DisjunctionIntroduction')
   Call: (210) [system] _1333270='DisjunctionIntroduction'
   Exit: (210) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (209) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (208) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'DisjunctionIntroduction')
^  Exit: (207) [user] cont_sexpr(')', (0x563acd73bee0), 'DisjunctionIntroduction')
^  Call: (207) [user] read_list(')', (0x563acd73bee0), _1762008)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1763866)
   Exit: (209) [system] peek_char((0x563acd73bee0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x563acd73bee0), _1773460)
   Exit: (209) [system] get_char((0x563acd73bee0), ' ')
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1776164)
   Exit: (210) [system] peek_char((0x563acd73bee0), a)
   Call: (210) [system] a=(;)
   Fail: (210) [system] a=(;)
   Call: (210) [system] a=(/)
   Fail: (210) [system] a=(/)
^  Call: (210) [user] is_like_space(a)
   Call: (211) [system] char_type(a, 'white')
   Fail: (211) [system] char_type(a, 'white')
   Call: (211) [system] char_type(a, end_of_line)
   Fail: (211) [system] char_type(a, end_of_line)
   Call: (211) [system] char_type(a, space)
   Fail: (211) [system] char_type(a, space)
   Call: (211) [system] char_type(a, cntrl)
   Fail: (211) [system] char_type(a, cntrl)
^  Fail: (210) [user] is_like_space(a)
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1793098)
   Exit: (208) [system] peek_char((0x563acd73bee0), a)
   Call: (208) [system] a=')'
   Fail: (208) [system] a=')'
   Call: (208) [system] a=end_of_file
   Fail: (208) [system] a=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x563acd73bee0), _1798668)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1800526)
   Exit: (210) [system] peek_char((0x563acd73bee0), a)
   Call: (210) [system] a=(;)
   Fail: (210) [system] a=(;)
   Call: (210) [system] a=(/)
   Fail: (210) [system] a=(/)
^  Call: (210) [user] is_like_space(a)
   Call: (211) [system] char_type(a, 'white')
   Fail: (211) [system] char_type(a, 'white')
   Call: (211) [system] char_type(a, end_of_line)
   Fail: (211) [system] char_type(a, end_of_line)
   Call: (211) [system] char_type(a, space)
   Fail: (211) [system] char_type(a, space)
   Call: (211) [system] char_type(a, cntrl)
   Fail: (211) [system] char_type(a, cntrl)
^  Fail: (210) [user] is_like_space(a)
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] get_char((0x563acd73bee0), _1816536)
   Exit: (209) [system] get_char((0x563acd73bee0), a)
   Call: (209) [system] a='('
   Fail: (209) [system] a='('
   Call: (209) [system] a='['
   Fail: (209) [system] a='['
   Call: (209) [system] a='{'
   Fail: (209) [system] a='{'
   Call: (209) [system] a='"'
   Fail: (209) [system] a='"'
   Call: (209) [system] a=!
   Fail: (209) [system] a=!
   Call: (209) [system] a='\''
   Fail: (209) [system] a='\''
   Call: (209) [system] a='`'
   Fail: (209) [system] a='`'
   Call: (209) [system] a=end_of_file
   Fail: (209) [system] a=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x563acd73bee0), a, _1798668)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1834178)
   Call: (211) [system] peek_char((0x563acd73bee0), _1835112)
   Exit: (211) [system] peek_char((0x563acd73bee0), b)
^  Call: (211) [user] is_delimiter(b)
   Call: (212) [system] char_type(b, space)
   Fail: (212) [system] char_type(b, space)
   Call: (212) [system] arg(_1839832, v('(', ')', end_of_file), b)
   Fail: (212) [system] arg(_1840764, v('(', ')', end_of_file), b)
^  Fail: (211) [user] is_delimiter(b)
   Call: (211) [system] ')'==b
   Fail: (211) [system] ')'==b
   Call: (211) [system] get_char((0x563acd73bee0), b)
   Exit: (211) [system] get_char((0x563acd73bee0), b)
   Call: (211) [system] b=(\)
   Fail: (211) [system] b=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1848114)
   Call: (212) [system] peek_char((0x563acd73bee0), _1849048)
   Exit: (212) [system] peek_char((0x563acd73bee0), c)
^  Call: (212) [user] is_delimiter(c)
   Call: (213) [system] char_type(c, space)
   Fail: (213) [system] char_type(c, space)
   Call: (213) [system] arg(_1853768, v('(', ')', end_of_file), c)
   Fail: (213) [system] arg(_1854700, v('(', ')', end_of_file), c)
^  Fail: (212) [user] is_delimiter(c)
   Call: (212) [system] ')'==c
   Fail: (212) [system] ')'==c
   Call: (212) [system] get_char((0x563acd73bee0), c)
   Exit: (212) [system] get_char((0x563acd73bee0), c)
   Call: (212) [system] c=(\)
   Fail: (212) [system] c=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _1862050)
   Call: (213) [system] peek_char((0x563acd73bee0), _1862984)
   Exit: (213) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (213) [user] is_delimiter(' ')
   Call: (214) [system] char_type(' ', space)
   Exit: (214) [system] char_type(' ', space)
^  Exit: (213) [user] is_delimiter(' ')
   Call: (213) [system] _1862050=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (212) [system] _1848114=[c]
   Exit: (212) [system] [c]=[c]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [c])
   Call: (211) [system] _1834178=[b, c]
   Exit: (211) [system] [b, c]=[b, c]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [b, c])
^  Call: (210) [user] classify_and_convert_charseq([a, b, c], _1798668)
^  Call: (211) [user] classify_and_convert_charseq_([a, b, c], _1877856)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_1878808, _1878810), once(user:catch(read_from_chars([a, b, c], _1877856), _1878790, fail)), '$restore_trace'(_1878808, _1878810))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_1878808, _1878810))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1878790, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(abc)
   Exit: (212) [system] atomic(abc)
^  Exit: (211) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (211) [system] integer(abc)
   Fail: (211) [system] integer(abc)
   Call: (211) [system] _1798668=abc
   Exit: (211) [system] abc=abc
^  Exit: (210) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (209) [user] read_symbolic(')', (0x563acd73bee0), a, abc)
^  Exit: (208) [user] cont_sexpr(')', (0x563acd73bee0), abc)
^  Call: (208) [user] read_list(')', (0x563acd73bee0), _1890936)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1892794)
   Exit: (210) [system] peek_char((0x563acd73bee0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x563acd73bee0), _1902388)
   Exit: (210) [system] get_char((0x563acd73bee0), ' ')
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1905092)
   Exit: (211) [system] peek_char((0x563acd73bee0), a)
   Call: (211) [system] a=(;)
   Fail: (211) [system] a=(;)
   Call: (211) [system] a=(/)
   Fail: (211) [system] a=(/)
^  Call: (211) [user] is_like_space(a)
   Call: (212) [system] char_type(a, 'white')
   Fail: (212) [system] char_type(a, 'white')
   Call: (212) [system] char_type(a, end_of_line)
   Fail: (212) [system] char_type(a, end_of_line)
   Call: (212) [system] char_type(a, space)
   Fail: (212) [system] char_type(a, space)
   Call: (212) [system] char_type(a, cntrl)
   Fail: (212) [system] char_type(a, cntrl)
^  Fail: (211) [user] is_like_space(a)
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1922026)
   Exit: (209) [system] peek_char((0x563acd73bee0), a)
   Call: (209) [system] a=')'
   Fail: (209) [system] a=')'
   Call: (209) [system] a=end_of_file
   Fail: (209) [system] a=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x563acd73bee0), _1927596)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1929454)
   Exit: (211) [system] peek_char((0x563acd73bee0), a)
   Call: (211) [system] a=(;)
   Fail: (211) [system] a=(;)
   Call: (211) [system] a=(/)
   Fail: (211) [system] a=(/)
^  Call: (211) [user] is_like_space(a)
   Call: (212) [system] char_type(a, 'white')
   Fail: (212) [system] char_type(a, 'white')
   Call: (212) [system] char_type(a, end_of_line)
   Fail: (212) [system] char_type(a, end_of_line)
   Call: (212) [system] char_type(a, space)
   Fail: (212) [system] char_type(a, space)
   Call: (212) [system] char_type(a, cntrl)
   Fail: (212) [system] char_type(a, cntrl)
^  Fail: (211) [user] is_like_space(a)
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] get_char((0x563acd73bee0), _1945464)
   Exit: (210) [system] get_char((0x563acd73bee0), a)
   Call: (210) [system] a='('
   Fail: (210) [system] a='('
   Call: (210) [system] a='['
   Fail: (210) [system] a='['
   Call: (210) [system] a='{'
   Fail: (210) [system] a='{'
   Call: (210) [system] a='"'
   Fail: (210) [system] a='"'
   Call: (210) [system] a=!
   Fail: (210) [system] a=!
   Call: (210) [system] a='\''
   Fail: (210) [system] a='\''
   Call: (210) [system] a='`'
   Fail: (210) [system] a='`'
   Call: (210) [system] a=end_of_file
   Fail: (210) [system] a=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x563acd73bee0), a, _1927596)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1963106)
   Call: (212) [system] peek_char((0x563acd73bee0), _1964040)
   Exit: (212) [system] peek_char((0x563acd73bee0), ')')
^  Call: (212) [user] is_delimiter(')')
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] arg(_1968760, v('(', ')', end_of_file), ')')
   Exit: (213) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (212) [user] is_delimiter(')')
   Call: (212) [system] _1963106=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (211) [user] classify_and_convert_charseq([a], _1927596)
^  Call: (212) [user] classify_and_convert_charseq_([a], _1975196)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_1976148, _1976150), once(user:catch(read_from_chars([a], _1975196), _1976130, fail)), '$restore_trace'(_1976148, _1976150))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_1976148, _1976150))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1976130, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(a)
   Exit: (213) [system] atomic(a)
^  Exit: (212) [user] classify_and_convert_charseq_([a], a)
   Call: (212) [system] integer(a)
   Fail: (212) [system] integer(a)
   Call: (212) [system] _1927596=a
   Exit: (212) [system] a=a
^  Exit: (211) [user] classify_and_convert_charseq([a], a)
^  Exit: (210) [user] read_symbolic(')', (0x563acd73bee0), a, a)
^  Exit: (209) [user] cont_sexpr(')', (0x563acd73bee0), a)
^  Call: (209) [user] read_list(')', (0x563acd73bee0), _1988276)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1990134)
   Exit: (211) [system] peek_char((0x563acd73bee0), ')')
   Call: (211) [system] ')'=(;)
   Fail: (211) [system] ')'=(;)
   Call: (211) [system] ')'=(/)
   Fail: (211) [system] ')'=(/)
^  Call: (211) [user] is_like_space(')')
   Call: (212) [system] char_type(')', 'white')
   Fail: (212) [system] char_type(')', 'white')
   Call: (212) [system] char_type(')', end_of_line)
   Fail: (212) [system] char_type(')', end_of_line)
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] char_type(')', cntrl)
   Fail: (212) [system] char_type(')', cntrl)
^  Fail: (211) [user] is_like_space(')')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _2006144)
   Exit: (210) [system] peek_char((0x563acd73bee0), ')')
   Call: (210) [system] ')'=')'
   Exit: (210) [system] ')'=')'
   Call: (210) [system] get_char((0x563acd73bee0), _2009934)
   Exit: (210) [system] get_char((0x563acd73bee0), ')')
   Call: (210) [system] _1988276=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_list(')', (0x563acd73bee0), [])
   Call: (209) [system] _1890936=[a]
   Exit: (209) [system] [a]=[a]
^  Exit: (208) [user] read_list(')', (0x563acd73bee0), [a])
   Call: (208) [system] _1762008=[abc, a]
   Exit: (208) [system] [abc, a]=[abc, a]
^  Exit: (207) [user] read_list(')', (0x563acd73bee0), [abc, a])
   Call: (207) [system] _1288252=['DisjunctionIntroduction', abc, a]
   Exit: (207) [system] ['DisjunctionIntroduction', abc, a]=['DisjunctionIntroduction', abc, a]
^  Exit: (206) [user] read_list(')', (0x563acd73bee0), ['DisjunctionIntroduction', abc, a])
^  Exit: (205) [user] cont_sexpr(')', (0x563acd73bee0), ['DisjunctionIntroduction', abc, a])
^  Call: (205) [user] read_list(')', (0x563acd73bee0), _2023816)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _2025674)
   Exit: (207) [system] peek_char((0x563acd73bee0), ')')
   Call: (207) [system] ')'=(;)
   Fail: (207) [system] ')'=(;)
   Call: (207) [system] ')'=(/)
   Fail: (207) [system] ')'=(/)
^  Call: (207) [user] is_like_space(')')
   Call: (208) [system] char_type(')', 'white')
   Fail: (208) [system] char_type(')', 'white')
   Call: (208) [system] char_type(')', end_of_line)
   Fail: (208) [system] char_type(')', end_of_line)
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] char_type(')', cntrl)
   Fail: (208) [system] char_type(')', cntrl)
^  Fail: (207) [user] is_like_space(')')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _2041684)
   Exit: (206) [system] peek_char((0x563acd73bee0), ')')
   Call: (206) [system] ')'=')'
   Exit: (206) [system] ')'=')'
   Call: (206) [system] get_char((0x563acd73bee0), _2045474)
   Exit: (206) [system] get_char((0x563acd73bee0), ')')
   Call: (206) [system] _2023816=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_list(')', (0x563acd73bee0), [])
   Call: (205) [system] _1251592=[['DisjunctionIntroduction', abc, a]]
   Exit: (205) [system] [['DisjunctionIntroduction', abc, a]]=[['DisjunctionIntroduction', abc, a]]
^  Exit: (204) [user] read_list(')', (0x563acd73bee0), [['DisjunctionIntroduction', abc, a]])
   Call: (204) [system] _1122664=[abc, ['DisjunctionIntroduction', abc, a]]
   Exit: (204) [system] [abc, ['DisjunctionIntroduction', abc, a]]=[abc, ['DisjunctionIntroduction', abc, a]]
^  Exit: (203) [user] read_list(')', (0x563acd73bee0), [abc, ['DisjunctionIntroduction', abc, a]])
   Call: (203) [system] _648908=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]]
   Exit: (203) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]]
^  Exit: (202) [user] read_list(')', (0x563acd73bee0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]])
^  Exit: (201) [user] cont_sexpr(')', (0x563acd73bee0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]])
^  Call: (201) [user] read_list(')', (0x563acd73bee0), _2059356)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _2061214)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x563acd73bee0), _2070808)
   Exit: (203) [system] get_char((0x563acd73bee0), ' ')
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _2073512)
   Exit: (204) [system] peek_char((0x563acd73bee0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
   Call: (204) [system] '('=(/)
   Fail: (204) [system] '('=(/)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _2090446)
   Exit: (202) [system] peek_char((0x563acd73bee0), '(')
   Call: (202) [system] '('=')'
   Fail: (202) [system] '('=')'
   Call: (202) [system] '('=end_of_file
   Fail: (202) [system] '('=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x563acd73bee0), _2096016)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _5232)
   Exit: (204) [system] peek_char((0x563acd73bee0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
   Call: (204) [system] '('=(/)
   Fail: (204) [system] '('=(/)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] get_char((0x563acd73bee0), _21242)
   Exit: (203) [system] get_char((0x563acd73bee0), '(')
   Call: (203) [system] '('='('
   Exit: (203) [system] '('='('
^  Call: (203) [user] read_list(')', (0x563acd73bee0), _4346)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _26812)
   Exit: (205) [system] peek_char((0x563acd73bee0), 'O')
   Call: (205) [system] 'O'=(;)
   Fail: (205) [system] 'O'=(;)
   Call: (205) [system] 'O'=(/)
   Fail: (205) [system] 'O'=(/)
^  Call: (205) [user] is_like_space('O')
   Call: (206) [system] char_type('O', 'white')
   Fail: (206) [system] char_type('O', 'white')
   Call: (206) [system] char_type('O', end_of_line)
   Fail: (206) [system] char_type('O', end_of_line)
   Call: (206) [system] char_type('O', space)
   Fail: (206) [system] char_type('O', space)
   Call: (206) [system] char_type('O', cntrl)
   Fail: (206) [system] char_type('O', cntrl)
^  Fail: (205) [user] is_like_space('O')
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _42822)
   Exit: (204) [system] peek_char((0x563acd73bee0), 'O')
   Call: (204) [system] 'O'=')'
   Fail: (204) [system] 'O'=')'
   Call: (204) [system] 'O'=end_of_file
   Fail: (204) [system] 'O'=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x563acd73bee0), _48392)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _50250)
   Exit: (206) [system] peek_char((0x563acd73bee0), 'O')
   Call: (206) [system] 'O'=(;)
   Fail: (206) [system] 'O'=(;)
   Call: (206) [system] 'O'=(/)
   Fail: (206) [system] 'O'=(/)
^  Call: (206) [user] is_like_space('O')
   Call: (207) [system] char_type('O', 'white')
   Fail: (207) [system] char_type('O', 'white')
   Call: (207) [system] char_type('O', end_of_line)
   Fail: (207) [system] char_type('O', end_of_line)
   Call: (207) [system] char_type('O', space)
   Fail: (207) [system] char_type('O', space)
   Call: (207) [system] char_type('O', cntrl)
   Fail: (207) [system] char_type('O', cntrl)
^  Fail: (206) [user] is_like_space('O')
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] get_char((0x563acd73bee0), _66260)
   Exit: (205) [system] get_char((0x563acd73bee0), 'O')
   Call: (205) [system] 'O'='('
   Fail: (205) [system] 'O'='('
   Call: (205) [system] 'O'='['
   Fail: (205) [system] 'O'='['
   Call: (205) [system] 'O'='{'
   Fail: (205) [system] 'O'='{'
   Call: (205) [system] 'O'='"'
   Fail: (205) [system] 'O'='"'
   Call: (205) [system] 'O'=!
   Fail: (205) [system] 'O'=!
   Call: (205) [system] 'O'='\''
   Fail: (205) [system] 'O'='\''
   Call: (205) [system] 'O'='`'
   Fail: (205) [system] 'O'='`'
   Call: (205) [system] 'O'=end_of_file
   Fail: (205) [system] 'O'=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x563acd73bee0), 'O', _48392)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _83902)
   Call: (207) [system] peek_char((0x563acd73bee0), _84836)
   Exit: (207) [system] peek_char((0x563acd73bee0), r)
^  Call: (207) [user] is_delimiter(r)
   Call: (208) [system] char_type(r, space)
   Fail: (208) [system] char_type(r, space)
   Call: (208) [system] arg(_89556, v('(', ')', end_of_file), r)
   Fail: (208) [system] arg(_90488, v('(', ')', end_of_file), r)
^  Fail: (207) [user] is_delimiter(r)
   Call: (207) [system] ')'==r
   Fail: (207) [system] ')'==r
   Call: (207) [system] get_char((0x563acd73bee0), r)
   Exit: (207) [system] get_char((0x563acd73bee0), r)
   Call: (207) [system] r=(\)
   Fail: (207) [system] r=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _97838)
   Call: (208) [system] peek_char((0x563acd73bee0), _98772)
   Exit: (208) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (208) [user] is_delimiter('L')
   Call: (209) [system] char_type('L', space)
   Fail: (209) [system] char_type('L', space)
   Call: (209) [system] arg(_103492, v('(', ')', end_of_file), 'L')
   Fail: (209) [system] arg(_104424, v('(', ')', end_of_file), 'L')
^  Fail: (208) [user] is_delimiter('L')
   Call: (208) [system] ')'=='L'
   Fail: (208) [system] ')'=='L'
   Call: (208) [system] get_char((0x563acd73bee0), 'L')
   Exit: (208) [system] get_char((0x563acd73bee0), 'L')
   Call: (208) [system] 'L'=(\)
   Fail: (208) [system] 'L'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _111774)
   Call: (209) [system] peek_char((0x563acd73bee0), _112708)
   Exit: (209) [system] peek_char((0x563acd73bee0), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_117428, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_118360, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x563acd73bee0), i)
   Exit: (209) [system] get_char((0x563acd73bee0), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _125710)
   Call: (210) [system] peek_char((0x563acd73bee0), _126644)
   Exit: (210) [system] peek_char((0x563acd73bee0), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Fail: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_131364, v('(', ')', end_of_file), n)
   Fail: (211) [system] arg(_132296, v('(', ')', end_of_file), n)
^  Fail: (210) [user] is_delimiter(n)
   Call: (210) [system] ')'==n
   Fail: (210) [system] ')'==n
   Call: (210) [system] get_char((0x563acd73bee0), n)
   Exit: (210) [system] get_char((0x563acd73bee0), n)
   Call: (210) [system] n=(\)
   Fail: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _139646)
   Call: (211) [system] peek_char((0x563acd73bee0), _140580)
   Exit: (211) [system] peek_char((0x563acd73bee0), k)
^  Call: (211) [user] is_delimiter(k)
   Call: (212) [system] char_type(k, space)
   Fail: (212) [system] char_type(k, space)
   Call: (212) [system] arg(_145300, v('(', ')', end_of_file), k)
   Fail: (212) [system] arg(_146232, v('(', ')', end_of_file), k)
^  Fail: (211) [user] is_delimiter(k)
   Call: (211) [system] ')'==k
   Fail: (211) [system] ')'==k
   Call: (211) [system] get_char((0x563acd73bee0), k)
   Exit: (211) [system] get_char((0x563acd73bee0), k)
   Call: (211) [system] k=(\)
   Fail: (211) [system] k=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _153582)
   Call: (212) [system] peek_char((0x563acd73bee0), _154516)
   Exit: (212) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _153582=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (211) [system] _139646=[k]
   Exit: (211) [system] [k]=[k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (210) [system] _125710=[n, k]
   Exit: (210) [system] [n, k]=[n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (209) [system] _111774=[i, n, k]
   Exit: (209) [system] [i, n, k]=[i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (208) [system] _97838=['L', i, n, k]
   Exit: (208) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (207) [system] _83902=[r, 'L', i, n, k]
   Exit: (207) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (206) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _48392)
^  Call: (207) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _177770)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_178722, _178724), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _177770), _178704, fail)), '$restore_trace'(_178722, _178724))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_178722, _178724))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _177770), _178704, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(_177770)
   Fail: (208) [system] atomic(_177770)
   Call: (208) [system] atom_chars(_177770, ['O', r, 'L', i, n, k])
   Exit: (208) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (207) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (207) [system] integer('OrLink')
   Fail: (207) [system] integer('OrLink')
   Call: (207) [system] _48392='OrLink'
   Exit: (207) [system] 'OrLink'='OrLink'
^  Exit: (206) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (205) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (204) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (204) [user] read_list(')', (0x563acd73bee0), _192720)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _194578)
   Exit: (206) [system] peek_char((0x563acd73bee0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
   Call: (206) [system] ' '=(/)
   Fail: (206) [system] ' '=(/)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x563acd73bee0), _204172)
   Exit: (206) [system] get_char((0x563acd73bee0), ' ')
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _206876)
   Exit: (207) [system] peek_char((0x563acd73bee0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _223810)
   Exit: (205) [system] peek_char((0x563acd73bee0), '(')
   Call: (205) [system] '('=')'
   Fail: (205) [system] '('=')'
   Call: (205) [system] '('=end_of_file
   Fail: (205) [system] '('=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x563acd73bee0), _229380)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _231238)
   Exit: (207) [system] peek_char((0x563acd73bee0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] get_char((0x563acd73bee0), _247248)
   Exit: (206) [system] get_char((0x563acd73bee0), '(')
   Call: (206) [system] '('='('
   Exit: (206) [system] '('='('
^  Call: (206) [user] read_list(')', (0x563acd73bee0), _229380)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _252818)
   Exit: (208) [system] peek_char((0x563acd73bee0), 'I')
   Call: (208) [system] 'I'=(;)
   Fail: (208) [system] 'I'=(;)
   Call: (208) [system] 'I'=(/)
   Fail: (208) [system] 'I'=(/)
^  Call: (208) [user] is_like_space('I')
   Call: (209) [system] char_type('I', 'white')
   Fail: (209) [system] char_type('I', 'white')
   Call: (209) [system] char_type('I', end_of_line)
   Fail: (209) [system] char_type('I', end_of_line)
   Call: (209) [system] char_type('I', space)
   Fail: (209) [system] char_type('I', space)
   Call: (209) [system] char_type('I', cntrl)
   Fail: (209) [system] char_type('I', cntrl)
^  Fail: (208) [user] is_like_space('I')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _268828)
   Exit: (207) [system] peek_char((0x563acd73bee0), 'I')
   Call: (207) [system] 'I'=')'
   Fail: (207) [system] 'I'=')'
   Call: (207) [system] 'I'=end_of_file
   Fail: (207) [system] 'I'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x563acd73bee0), _274398)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _276256)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'I')
   Call: (209) [system] 'I'=(;)
   Fail: (209) [system] 'I'=(;)
   Call: (209) [system] 'I'=(/)
   Fail: (209) [system] 'I'=(/)
^  Call: (209) [user] is_like_space('I')
   Call: (210) [system] char_type('I', 'white')
   Fail: (210) [system] char_type('I', 'white')
   Call: (210) [system] char_type('I', end_of_line)
   Fail: (210) [system] char_type('I', end_of_line)
   Call: (210) [system] char_type('I', space)
   Fail: (210) [system] char_type('I', space)
   Call: (210) [system] char_type('I', cntrl)
   Fail: (210) [system] char_type('I', cntrl)
^  Fail: (209) [user] is_like_space('I')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] get_char((0x563acd73bee0), _292266)
   Exit: (208) [system] get_char((0x563acd73bee0), 'I')
   Call: (208) [system] 'I'='('
   Fail: (208) [system] 'I'='('
   Call: (208) [system] 'I'='['
   Fail: (208) [system] 'I'='['
   Call: (208) [system] 'I'='{'
   Fail: (208) [system] 'I'='{'
   Call: (208) [system] 'I'='"'
   Fail: (208) [system] 'I'='"'
   Call: (208) [system] 'I'=!
   Fail: (208) [system] 'I'=!
   Call: (208) [system] 'I'='\''
   Fail: (208) [system] 'I'='\''
   Call: (208) [system] 'I'='`'
   Fail: (208) [system] 'I'='`'
   Call: (208) [system] 'I'=end_of_file
   Fail: (208) [system] 'I'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x563acd73bee0), 'I', _274398)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _309908)
   Call: (210) [system] peek_char((0x563acd73bee0), _310842)
   Exit: (210) [system] peek_char((0x563acd73bee0), m)
^  Call: (210) [user] is_delimiter(m)
   Call: (211) [system] char_type(m, space)
   Fail: (211) [system] char_type(m, space)
   Call: (211) [system] arg(_315562, v('(', ')', end_of_file), m)
   Fail: (211) [system] arg(_316494, v('(', ')', end_of_file), m)
^  Fail: (210) [user] is_delimiter(m)
   Call: (210) [system] ')'==m
   Fail: (210) [system] ')'==m
   Call: (210) [system] get_char((0x563acd73bee0), m)
   Exit: (210) [system] get_char((0x563acd73bee0), m)
   Call: (210) [system] m=(\)
   Fail: (210) [system] m=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _323844)
   Call: (211) [system] peek_char((0x563acd73bee0), _324778)
   Exit: (211) [system] peek_char((0x563acd73bee0), p)
^  Call: (211) [user] is_delimiter(p)
   Call: (212) [system] char_type(p, space)
   Fail: (212) [system] char_type(p, space)
   Call: (212) [system] arg(_329498, v('(', ')', end_of_file), p)
   Fail: (212) [system] arg(_330430, v('(', ')', end_of_file), p)
^  Fail: (211) [user] is_delimiter(p)
   Call: (211) [system] ')'==p
   Fail: (211) [system] ')'==p
   Call: (211) [system] get_char((0x563acd73bee0), p)
   Exit: (211) [system] get_char((0x563acd73bee0), p)
   Call: (211) [system] p=(\)
   Fail: (211) [system] p=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _337780)
   Call: (212) [system] peek_char((0x563acd73bee0), _338714)
   Exit: (212) [system] peek_char((0x563acd73bee0), l)
^  Call: (212) [user] is_delimiter(l)
   Call: (213) [system] char_type(l, space)
   Fail: (213) [system] char_type(l, space)
   Call: (213) [system] arg(_343434, v('(', ')', end_of_file), l)
   Fail: (213) [system] arg(_344366, v('(', ')', end_of_file), l)
^  Fail: (212) [user] is_delimiter(l)
   Call: (212) [system] ')'==l
   Fail: (212) [system] ')'==l
   Call: (212) [system] get_char((0x563acd73bee0), l)
   Exit: (212) [system] get_char((0x563acd73bee0), l)
   Call: (212) [system] l=(\)
   Fail: (212) [system] l=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _351716)
   Call: (213) [system] peek_char((0x563acd73bee0), _352650)
   Exit: (213) [system] peek_char((0x563acd73bee0), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Fail: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_357370, v('(', ')', end_of_file), i)
   Fail: (214) [system] arg(_358302, v('(', ')', end_of_file), i)
^  Fail: (213) [user] is_delimiter(i)
   Call: (213) [system] ')'==i
   Fail: (213) [system] ')'==i
   Call: (213) [system] get_char((0x563acd73bee0), i)
   Exit: (213) [system] get_char((0x563acd73bee0), i)
   Call: (213) [system] i=(\)
   Fail: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _365652)
   Call: (214) [system] peek_char((0x563acd73bee0), _366586)
   Exit: (214) [system] peek_char((0x563acd73bee0), c)
^  Call: (214) [user] is_delimiter(c)
   Call: (215) [system] char_type(c, space)
   Fail: (215) [system] char_type(c, space)
   Call: (215) [system] arg(_371306, v('(', ')', end_of_file), c)
   Fail: (215) [system] arg(_372238, v('(', ')', end_of_file), c)
^  Fail: (214) [user] is_delimiter(c)
   Call: (214) [system] ')'==c
   Fail: (214) [system] ')'==c
   Call: (214) [system] get_char((0x563acd73bee0), c)
   Exit: (214) [system] get_char((0x563acd73bee0), c)
   Call: (214) [system] c=(\)
   Fail: (214) [system] c=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _379588)
   Call: (215) [system] peek_char((0x563acd73bee0), _380522)
   Exit: (215) [system] peek_char((0x563acd73bee0), a)
^  Call: (215) [user] is_delimiter(a)
   Call: (216) [system] char_type(a, space)
   Fail: (216) [system] char_type(a, space)
   Call: (216) [system] arg(_385242, v('(', ')', end_of_file), a)
   Fail: (216) [system] arg(_386174, v('(', ')', end_of_file), a)
^  Fail: (215) [user] is_delimiter(a)
   Call: (215) [system] ')'==a
   Fail: (215) [system] ')'==a
   Call: (215) [system] get_char((0x563acd73bee0), a)
   Exit: (215) [system] get_char((0x563acd73bee0), a)
   Call: (215) [system] a=(\)
   Fail: (215) [system] a=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _393524)
   Call: (216) [system] peek_char((0x563acd73bee0), _394458)
   Exit: (216) [system] peek_char((0x563acd73bee0), t)
^  Call: (216) [user] is_delimiter(t)
   Call: (217) [system] char_type(t, space)
   Fail: (217) [system] char_type(t, space)
   Call: (217) [system] arg(_399178, v('(', ')', end_of_file), t)
   Fail: (217) [system] arg(_400110, v('(', ')', end_of_file), t)
^  Fail: (216) [user] is_delimiter(t)
   Call: (216) [system] ')'==t
   Fail: (216) [system] ')'==t
   Call: (216) [system] get_char((0x563acd73bee0), t)
   Exit: (216) [system] get_char((0x563acd73bee0), t)
   Call: (216) [system] t=(\)
   Fail: (216) [system] t=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _407460)
   Call: (217) [system] peek_char((0x563acd73bee0), _408394)
   Exit: (217) [system] peek_char((0x563acd73bee0), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_413114, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_414046, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x563acd73bee0), i)
   Exit: (217) [system] get_char((0x563acd73bee0), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _421396)
   Call: (218) [system] peek_char((0x563acd73bee0), _422330)
   Exit: (218) [system] peek_char((0x563acd73bee0), o)
^  Call: (218) [user] is_delimiter(o)
   Call: (219) [system] char_type(o, space)
   Fail: (219) [system] char_type(o, space)
   Call: (219) [system] arg(_427050, v('(', ')', end_of_file), o)
   Fail: (219) [system] arg(_427982, v('(', ')', end_of_file), o)
^  Fail: (218) [user] is_delimiter(o)
   Call: (218) [system] ')'==o
   Fail: (218) [system] ')'==o
   Call: (218) [system] get_char((0x563acd73bee0), o)
   Exit: (218) [system] get_char((0x563acd73bee0), o)
   Call: (218) [system] o=(\)
   Fail: (218) [system] o=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _435332)
   Call: (219) [system] peek_char((0x563acd73bee0), _436266)
   Exit: (219) [system] peek_char((0x563acd73bee0), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_440986, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_441918, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x563acd73bee0), n)
   Exit: (219) [system] get_char((0x563acd73bee0), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _449268)
   Call: (220) [system] peek_char((0x563acd73bee0), _450202)
   Exit: (220) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _449268=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (219) [system] _435332=[n]
   Exit: (219) [system] [n]=[n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (218) [system] _421396=[o, n]
   Exit: (218) [system] [o, n]=[o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (217) [system] _407460=[i, o, n]
   Exit: (217) [system] [i, o, n]=[i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (216) [system] _393524=[t, i, o, n]
   Exit: (216) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (215) [system] _379588=[a, t, i, o, n]
   Exit: (215) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (214) [system] _365652=[c, a, t, i, o, n]
   Exit: (214) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (213) [system] _351716=[i, c, a, t, i, o, n]
   Exit: (213) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (212) [system] _337780=[l, i, c, a, t, i, o, n]
   Exit: (212) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (211) [system] _323844=[p, l, i, c, a, t, i, o, n]
   Exit: (211) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (210) [system] _309908=[m, p, l, i, c, a, t, i, o, n]
   Exit: (210) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (209) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _274398)
^  Call: (210) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _487426)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_488378, _488380), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _487426), _488360, fail)), '$restore_trace'(_488378, _488380))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_488378, _488380))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _487426), _488360, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_487426)
   Fail: (211) [system] atomic(_487426)
   Call: (211) [system] atom_chars(_487426, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (211) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (210) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (210) [system] integer('Implication')
   Fail: (210) [system] integer('Implication')
   Call: (210) [system] _274398='Implication'
   Exit: (210) [system] 'Implication'='Implication'
^  Exit: (209) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (208) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (207) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (207) [user] read_list(')', (0x563acd73bee0), _502376)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _504234)
   Exit: (209) [system] peek_char((0x563acd73bee0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x563acd73bee0), _513828)
   Exit: (209) [system] get_char((0x563acd73bee0), ' ')
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _516532)
   Exit: (210) [system] peek_char((0x563acd73bee0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _533466)
   Exit: (208) [system] peek_char((0x563acd73bee0), '(')
   Call: (208) [system] '('=')'
   Fail: (208) [system] '('=')'
   Call: (208) [system] '('=end_of_file
   Fail: (208) [system] '('=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x563acd73bee0), _539036)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _540894)
   Exit: (210) [system] peek_char((0x563acd73bee0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] get_char((0x563acd73bee0), _556904)
   Exit: (209) [system] get_char((0x563acd73bee0), '(')
   Call: (209) [system] '('='('
   Exit: (209) [system] '('='('
^  Call: (209) [user] read_list(')', (0x563acd73bee0), _539036)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _562474)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'A')
   Call: (211) [system] 'A'=(;)
   Fail: (211) [system] 'A'=(;)
   Call: (211) [system] 'A'=(/)
   Fail: (211) [system] 'A'=(/)
^  Call: (211) [user] is_like_space('A')
   Call: (212) [system] char_type('A', 'white')
   Fail: (212) [system] char_type('A', 'white')
   Call: (212) [system] char_type('A', end_of_line)
   Fail: (212) [system] char_type('A', end_of_line)
   Call: (212) [system] char_type('A', space)
   Fail: (212) [system] char_type('A', space)
   Call: (212) [system] char_type('A', cntrl)
   Fail: (212) [system] char_type('A', cntrl)
^  Fail: (211) [user] is_like_space('A')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _578484)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'A')
   Call: (210) [system] 'A'=')'
   Fail: (210) [system] 'A'=')'
   Call: (210) [system] 'A'=end_of_file
   Fail: (210) [system] 'A'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x563acd73bee0), _584054)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _585912)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'A')
   Call: (212) [system] 'A'=(;)
   Fail: (212) [system] 'A'=(;)
   Call: (212) [system] 'A'=(/)
   Fail: (212) [system] 'A'=(/)
^  Call: (212) [user] is_like_space('A')
   Call: (213) [system] char_type('A', 'white')
   Fail: (213) [system] char_type('A', 'white')
   Call: (213) [system] char_type('A', end_of_line)
   Fail: (213) [system] char_type('A', end_of_line)
   Call: (213) [system] char_type('A', space)
   Fail: (213) [system] char_type('A', space)
   Call: (213) [system] char_type('A', cntrl)
   Fail: (213) [system] char_type('A', cntrl)
^  Fail: (212) [user] is_like_space('A')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] get_char((0x563acd73bee0), _601922)
   Exit: (211) [system] get_char((0x563acd73bee0), 'A')
   Call: (211) [system] 'A'='('
   Fail: (211) [system] 'A'='('
   Call: (211) [system] 'A'='['
   Fail: (211) [system] 'A'='['
   Call: (211) [system] 'A'='{'
   Fail: (211) [system] 'A'='{'
   Call: (211) [system] 'A'='"'
   Fail: (211) [system] 'A'='"'
   Call: (211) [system] 'A'=!
   Fail: (211) [system] 'A'=!
   Call: (211) [system] 'A'='\''
   Fail: (211) [system] 'A'='\''
   Call: (211) [system] 'A'='`'
   Fail: (211) [system] 'A'='`'
   Call: (211) [system] 'A'=end_of_file
   Fail: (211) [system] 'A'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x563acd73bee0), 'A', _584054)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _619564)
   Call: (213) [system] peek_char((0x563acd73bee0), _620498)
   Exit: (213) [system] peek_char((0x563acd73bee0), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_625218, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_626150, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x563acd73bee0), n)
   Exit: (213) [system] get_char((0x563acd73bee0), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _633500)
   Call: (214) [system] peek_char((0x563acd73bee0), _634434)
   Exit: (214) [system] peek_char((0x563acd73bee0), d)
^  Call: (214) [user] is_delimiter(d)
   Call: (215) [system] char_type(d, space)
   Fail: (215) [system] char_type(d, space)
   Call: (215) [system] arg(_639154, v('(', ')', end_of_file), d)
   Fail: (215) [system] arg(_640086, v('(', ')', end_of_file), d)
^  Fail: (214) [user] is_delimiter(d)
   Call: (214) [system] ')'==d
   Fail: (214) [system] ')'==d
   Call: (214) [system] get_char((0x563acd73bee0), d)
   Exit: (214) [system] get_char((0x563acd73bee0), d)
   Call: (214) [system] d=(\)
   Fail: (214) [system] d=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _647436)
   Call: (215) [system] peek_char((0x563acd73bee0), _648370)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (215) [user] is_delimiter('L')
   Call: (216) [system] char_type('L', space)
   Fail: (216) [system] char_type('L', space)
   Call: (216) [system] arg(_653090, v('(', ')', end_of_file), 'L')
   Fail: (216) [system] arg(_654022, v('(', ')', end_of_file), 'L')
^  Fail: (215) [user] is_delimiter('L')
   Call: (215) [system] ')'=='L'
   Fail: (215) [system] ')'=='L'
   Call: (215) [system] get_char((0x563acd73bee0), 'L')
   Exit: (215) [system] get_char((0x563acd73bee0), 'L')
   Call: (215) [system] 'L'=(\)
   Fail: (215) [system] 'L'=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _661372)
   Call: (216) [system] peek_char((0x563acd73bee0), _662306)
   Exit: (216) [system] peek_char((0x563acd73bee0), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Fail: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_667026, v('(', ')', end_of_file), i)
   Fail: (217) [system] arg(_667958, v('(', ')', end_of_file), i)
^  Fail: (216) [user] is_delimiter(i)
   Call: (216) [system] ')'==i
   Fail: (216) [system] ')'==i
   Call: (216) [system] get_char((0x563acd73bee0), i)
   Exit: (216) [system] get_char((0x563acd73bee0), i)
   Call: (216) [system] i=(\)
   Fail: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _675308)
   Call: (217) [system] peek_char((0x563acd73bee0), _676242)
   Exit: (217) [system] peek_char((0x563acd73bee0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_680962, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_681894, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x563acd73bee0), n)
   Exit: (217) [system] get_char((0x563acd73bee0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _689244)
   Call: (218) [system] peek_char((0x563acd73bee0), _690178)
   Exit: (218) [system] peek_char((0x563acd73bee0), k)
^  Call: (218) [user] is_delimiter(k)
   Call: (219) [system] char_type(k, space)
   Fail: (219) [system] char_type(k, space)
   Call: (219) [system] arg(_694898, v('(', ')', end_of_file), k)
   Fail: (219) [system] arg(_695830, v('(', ')', end_of_file), k)
^  Fail: (218) [user] is_delimiter(k)
   Call: (218) [system] ')'==k
   Fail: (218) [system] ')'==k
   Call: (218) [system] get_char((0x563acd73bee0), k)
   Exit: (218) [system] get_char((0x563acd73bee0), k)
   Call: (218) [system] k=(\)
   Fail: (218) [system] k=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _703180)
   Call: (219) [system] peek_char((0x563acd73bee0), _704114)
   Exit: (219) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _703180=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (218) [system] _689244=[k]
   Exit: (218) [system] [k]=[k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (217) [system] _675308=[n, k]
   Exit: (217) [system] [n, k]=[n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (216) [system] _661372=[i, n, k]
   Exit: (216) [system] [i, n, k]=[i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (215) [system] _647436=['L', i, n, k]
   Exit: (215) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (214) [system] _633500=[d, 'L', i, n, k]
   Exit: (214) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, 'L', i, n, k])
   Call: (213) [system] _619564=[n, d, 'L', i, n, k]
   Exit: (213) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, d, 'L', i, n, k])
^  Call: (212) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _584054)
^  Call: (213) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _730162)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_731114, _731116), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _730162), _731096, fail)), '$restore_trace'(_731114, _731116))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_731114, _731116))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _730162), _731096, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_730162)
   Fail: (214) [system] atomic(_730162)
   Call: (214) [system] atom_chars(_730162, ['A', n, d, 'L', i, n, k])
   Exit: (214) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (213) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (213) [system] integer('AndLink')
   Fail: (213) [system] integer('AndLink')
   Call: (213) [system] _584054='AndLink'
   Exit: (213) [system] 'AndLink'='AndLink'
^  Exit: (212) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (211) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'AndLink')
^  Exit: (210) [user] cont_sexpr(')', (0x563acd73bee0), 'AndLink')
^  Call: (210) [user] read_list(')', (0x563acd73bee0), _745112)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _746970)
   Exit: (212) [system] peek_char((0x563acd73bee0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x563acd73bee0), _756564)
   Exit: (212) [system] get_char((0x563acd73bee0), ' ')
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _759268)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'A')
   Call: (213) [system] 'A'=(;)
   Fail: (213) [system] 'A'=(;)
   Call: (213) [system] 'A'=(/)
   Fail: (213) [system] 'A'=(/)
^  Call: (213) [user] is_like_space('A')
   Call: (214) [system] char_type('A', 'white')
   Fail: (214) [system] char_type('A', 'white')
   Call: (214) [system] char_type('A', end_of_line)
   Fail: (214) [system] char_type('A', end_of_line)
   Call: (214) [system] char_type('A', space)
   Fail: (214) [system] char_type('A', space)
   Call: (214) [system] char_type('A', cntrl)
   Fail: (214) [system] char_type('A', cntrl)
^  Fail: (213) [user] is_like_space('A')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _776202)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'A')
   Call: (211) [system] 'A'=')'
   Fail: (211) [system] 'A'=')'
   Call: (211) [system] 'A'=end_of_file
   Fail: (211) [system] 'A'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x563acd73bee0), _781772)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _783630)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'A')
   Call: (213) [system] 'A'=(;)
   Fail: (213) [system] 'A'=(;)
   Call: (213) [system] 'A'=(/)
   Fail: (213) [system] 'A'=(/)
^  Call: (213) [user] is_like_space('A')
   Call: (214) [system] char_type('A', 'white')
   Fail: (214) [system] char_type('A', 'white')
   Call: (214) [system] char_type('A', end_of_line)
   Fail: (214) [system] char_type('A', end_of_line)
   Call: (214) [system] char_type('A', space)
   Fail: (214) [system] char_type('A', space)
   Call: (214) [system] char_type('A', cntrl)
   Fail: (214) [system] char_type('A', cntrl)
^  Fail: (213) [user] is_like_space('A')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] get_char((0x563acd73bee0), _799640)
   Exit: (212) [system] get_char((0x563acd73bee0), 'A')
   Call: (212) [system] 'A'='('
   Fail: (212) [system] 'A'='('
   Call: (212) [system] 'A'='['
   Fail: (212) [system] 'A'='['
   Call: (212) [system] 'A'='{'
   Fail: (212) [system] 'A'='{'
   Call: (212) [system] 'A'='"'
   Fail: (212) [system] 'A'='"'
   Call: (212) [system] 'A'=!
   Fail: (212) [system] 'A'=!
   Call: (212) [system] 'A'='\''
   Fail: (212) [system] 'A'='\''
   Call: (212) [system] 'A'='`'
   Fail: (212) [system] 'A'='`'
   Call: (212) [system] 'A'=end_of_file
   Fail: (212) [system] 'A'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x563acd73bee0), 'A', _781772)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _817282)
   Call: (214) [system] peek_char((0x563acd73bee0), _818216)
   Exit: (214) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _817282=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (213) [user] classify_and_convert_charseq(['A'], _781772)
^  Call: (214) [user] classify_and_convert_charseq_(['A'], _827500)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_828452, _828454), once(user:catch(read_from_chars(['A'], _827500), _828434, fail)), '$restore_trace'(_828452, _828454))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_828452, _828454))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _827500), _828434, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_827500)
   Fail: (215) [system] atomic(_827500)
   Call: (215) [system] atom_chars(_827500, ['A'])
   Exit: (215) [system] atom_chars('A', ['A'])
^  Exit: (214) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (214) [system] integer('A')
   Fail: (214) [system] integer('A')
   Call: (214) [system] _781772='A'
   Exit: (214) [system] 'A'='A'
^  Exit: (213) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (212) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (211) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (211) [user] read_list(')', (0x563acd73bee0), _842450)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _844308)
   Exit: (213) [system] peek_char((0x563acd73bee0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x563acd73bee0), _853902)
   Exit: (213) [system] get_char((0x563acd73bee0), ' ')
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _856606)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'B')
   Call: (214) [system] 'B'=(;)
   Fail: (214) [system] 'B'=(;)
   Call: (214) [system] 'B'=(/)
   Fail: (214) [system] 'B'=(/)
^  Call: (214) [user] is_like_space('B')
   Call: (215) [system] char_type('B', 'white')
   Fail: (215) [system] char_type('B', 'white')
   Call: (215) [system] char_type('B', end_of_line)
   Fail: (215) [system] char_type('B', end_of_line)
   Call: (215) [system] char_type('B', space)
   Fail: (215) [system] char_type('B', space)
   Call: (215) [system] char_type('B', cntrl)
   Fail: (215) [system] char_type('B', cntrl)
^  Fail: (214) [user] is_like_space('B')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _873540)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'B')
   Call: (212) [system] 'B'=')'
   Fail: (212) [system] 'B'=')'
   Call: (212) [system] 'B'=end_of_file
   Fail: (212) [system] 'B'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x563acd73bee0), _879110)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _880968)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'B')
   Call: (214) [system] 'B'=(;)
   Fail: (214) [system] 'B'=(;)
   Call: (214) [system] 'B'=(/)
   Fail: (214) [system] 'B'=(/)
^  Call: (214) [user] is_like_space('B')
   Call: (215) [system] char_type('B', 'white')
   Fail: (215) [system] char_type('B', 'white')
   Call: (215) [system] char_type('B', end_of_line)
   Fail: (215) [system] char_type('B', end_of_line)
   Call: (215) [system] char_type('B', space)
   Fail: (215) [system] char_type('B', space)
   Call: (215) [system] char_type('B', cntrl)
   Fail: (215) [system] char_type('B', cntrl)
^  Fail: (214) [user] is_like_space('B')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] get_char((0x563acd73bee0), _896978)
   Exit: (213) [system] get_char((0x563acd73bee0), 'B')
   Call: (213) [system] 'B'='('
   Fail: (213) [system] 'B'='('
   Call: (213) [system] 'B'='['
   Fail: (213) [system] 'B'='['
   Call: (213) [system] 'B'='{'
   Fail: (213) [system] 'B'='{'
   Call: (213) [system] 'B'='"'
   Fail: (213) [system] 'B'='"'
   Call: (213) [system] 'B'=!
   Fail: (213) [system] 'B'=!
   Call: (213) [system] 'B'='\''
   Fail: (213) [system] 'B'='\''
   Call: (213) [system] 'B'='`'
   Fail: (213) [system] 'B'='`'
   Call: (213) [system] 'B'=end_of_file
   Fail: (213) [system] 'B'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x563acd73bee0), 'B', _879110)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _914620)
   Call: (215) [system] peek_char((0x563acd73bee0), _915554)
   Exit: (215) [system] peek_char((0x563acd73bee0), ')')
^  Call: (215) [user] is_delimiter(')')
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] arg(_920274, v('(', ')', end_of_file), ')')
   Exit: (216) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (215) [user] is_delimiter(')')
   Call: (215) [system] _914620=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (214) [user] classify_and_convert_charseq(['B'], _879110)
^  Call: (215) [user] classify_and_convert_charseq_(['B'], _926710)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_927662, _927664), once(user:catch(read_from_chars(['B'], _926710), _927644, fail)), '$restore_trace'(_927662, _927664))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_927662, _927664))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _926710), _927644, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_926710)
   Fail: (216) [system] atomic(_926710)
   Call: (216) [system] atom_chars(_926710, ['B'])
   Exit: (216) [system] atom_chars('B', ['B'])
^  Exit: (215) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (215) [system] integer('B')
   Fail: (215) [system] integer('B')
   Call: (215) [system] _879110='B'
   Exit: (215) [system] 'B'='B'
^  Exit: (214) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (213) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (212) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (212) [user] read_list(')', (0x563acd73bee0), _941660)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _943518)
   Exit: (214) [system] peek_char((0x563acd73bee0), ')')
   Call: (214) [system] ')'=(;)
   Fail: (214) [system] ')'=(;)
   Call: (214) [system] ')'=(/)
   Fail: (214) [system] ')'=(/)
^  Call: (214) [user] is_like_space(')')
   Call: (215) [system] char_type(')', 'white')
   Fail: (215) [system] char_type(')', 'white')
   Call: (215) [system] char_type(')', end_of_line)
   Fail: (215) [system] char_type(')', end_of_line)
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] char_type(')', cntrl)
   Fail: (215) [system] char_type(')', cntrl)
^  Fail: (214) [user] is_like_space(')')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _959528)
   Exit: (213) [system] peek_char((0x563acd73bee0), ')')
   Call: (213) [system] ')'=')'
   Exit: (213) [system] ')'=')'
   Call: (213) [system] get_char((0x563acd73bee0), _963318)
   Exit: (213) [system] get_char((0x563acd73bee0), ')')
   Call: (213) [system] _941660=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_list(')', (0x563acd73bee0), [])
   Call: (212) [system] _842450=['B']
   Exit: (212) [system] ['B']=['B']
^  Exit: (211) [user] read_list(')', (0x563acd73bee0), ['B'])
   Call: (211) [system] _745112=['A', 'B']
   Exit: (211) [system] ['A', 'B']=['A', 'B']
^  Exit: (210) [user] read_list(')', (0x563acd73bee0), ['A', 'B'])
   Call: (210) [system] _539036=['AndLink', 'A', 'B']
   Exit: (210) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (209) [user] read_list(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Exit: (208) [user] cont_sexpr(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Call: (208) [user] read_list(')', (0x563acd73bee0), _977200)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _979058)
   Exit: (210) [system] peek_char((0x563acd73bee0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x563acd73bee0), _988652)
   Exit: (210) [system] get_char((0x563acd73bee0), ' ')
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _991356)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'C')
   Call: (211) [system] 'C'=(;)
   Fail: (211) [system] 'C'=(;)
   Call: (211) [system] 'C'=(/)
   Fail: (211) [system] 'C'=(/)
^  Call: (211) [user] is_like_space('C')
   Call: (212) [system] char_type('C', 'white')
   Fail: (212) [system] char_type('C', 'white')
   Call: (212) [system] char_type('C', end_of_line)
   Fail: (212) [system] char_type('C', end_of_line)
   Call: (212) [system] char_type('C', space)
   Fail: (212) [system] char_type('C', space)
   Call: (212) [system] char_type('C', cntrl)
   Fail: (212) [system] char_type('C', cntrl)
^  Fail: (211) [user] is_like_space('C')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1008290)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'C')
   Call: (209) [system] 'C'=')'
   Fail: (209) [system] 'C'=')'
   Call: (209) [system] 'C'=end_of_file
   Fail: (209) [system] 'C'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x563acd73bee0), _1013860)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1015718)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'C')
   Call: (211) [system] 'C'=(;)
   Fail: (211) [system] 'C'=(;)
   Call: (211) [system] 'C'=(/)
   Fail: (211) [system] 'C'=(/)
^  Call: (211) [user] is_like_space('C')
   Call: (212) [system] char_type('C', 'white')
   Fail: (212) [system] char_type('C', 'white')
   Call: (212) [system] char_type('C', end_of_line)
   Fail: (212) [system] char_type('C', end_of_line)
   Call: (212) [system] char_type('C', space)
   Fail: (212) [system] char_type('C', space)
   Call: (212) [system] char_type('C', cntrl)
   Fail: (212) [system] char_type('C', cntrl)
^  Fail: (211) [user] is_like_space('C')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] get_char((0x563acd73bee0), _1031728)
   Exit: (210) [system] get_char((0x563acd73bee0), 'C')
   Call: (210) [system] 'C'='('
   Fail: (210) [system] 'C'='('
   Call: (210) [system] 'C'='['
   Fail: (210) [system] 'C'='['
   Call: (210) [system] 'C'='{'
   Fail: (210) [system] 'C'='{'
   Call: (210) [system] 'C'='"'
   Fail: (210) [system] 'C'='"'
   Call: (210) [system] 'C'=!
   Fail: (210) [system] 'C'=!
   Call: (210) [system] 'C'='\''
   Fail: (210) [system] 'C'='\''
   Call: (210) [system] 'C'='`'
   Fail: (210) [system] 'C'='`'
   Call: (210) [system] 'C'=end_of_file
   Fail: (210) [system] 'C'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x563acd73bee0), 'C', _1013860)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1049370)
   Call: (212) [system] peek_char((0x563acd73bee0), _1050304)
   Exit: (212) [system] peek_char((0x563acd73bee0), ')')
^  Call: (212) [user] is_delimiter(')')
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] arg(_1055024, v('(', ')', end_of_file), ')')
   Exit: (213) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (212) [user] is_delimiter(')')
   Call: (212) [system] _1049370=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (211) [user] classify_and_convert_charseq(['C'], _1013860)
^  Call: (212) [user] classify_and_convert_charseq_(['C'], _1061460)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_1062412, _1062414), once(user:catch(read_from_chars(['C'], _1061460), _1062394, fail)), '$restore_trace'(_1062412, _1062414))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_1062412, _1062414))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1061460), _1062394, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_1061460)
   Fail: (213) [system] atomic(_1061460)
   Call: (213) [system] atom_chars(_1061460, ['C'])
   Exit: (213) [system] atom_chars('C', ['C'])
^  Exit: (212) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (212) [system] integer('C')
   Fail: (212) [system] integer('C')
   Call: (212) [system] _1013860='C'
   Exit: (212) [system] 'C'='C'
^  Exit: (211) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (210) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (209) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (209) [user] read_list(')', (0x563acd73bee0), _1076410)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1078268)
   Exit: (211) [system] peek_char((0x563acd73bee0), ')')
   Call: (211) [system] ')'=(;)
   Fail: (211) [system] ')'=(;)
   Call: (211) [system] ')'=(/)
   Fail: (211) [system] ')'=(/)
^  Call: (211) [user] is_like_space(')')
   Call: (212) [system] char_type(')', 'white')
   Fail: (212) [system] char_type(')', 'white')
   Call: (212) [system] char_type(')', end_of_line)
   Fail: (212) [system] char_type(')', end_of_line)
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] char_type(')', cntrl)
   Fail: (212) [system] char_type(')', cntrl)
^  Fail: (211) [user] is_like_space(')')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1094278)
   Exit: (210) [system] peek_char((0x563acd73bee0), ')')
   Call: (210) [system] ')'=')'
   Exit: (210) [system] ')'=')'
   Call: (210) [system] get_char((0x563acd73bee0), _1098068)
   Exit: (210) [system] get_char((0x563acd73bee0), ')')
   Call: (210) [system] _1076410=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_list(')', (0x563acd73bee0), [])
   Call: (209) [system] _977200=['C']
   Exit: (209) [system] ['C']=['C']
^  Exit: (208) [user] read_list(')', (0x563acd73bee0), ['C'])
   Call: (208) [system] _502376=[['AndLink', 'A', 'B'], 'C']
   Exit: (208) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (207) [user] read_list(')', (0x563acd73bee0), [['AndLink', 'A', 'B'], 'C'])
   Call: (207) [system] _229380=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (207) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (206) [user] read_list(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (205) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (205) [user] read_list(')', (0x563acd73bee0), _1111950)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1113808)
   Exit: (207) [system] peek_char((0x563acd73bee0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
   Call: (207) [system] ' '=(/)
   Fail: (207) [system] ' '=(/)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x563acd73bee0), _1123402)
   Exit: (207) [system] get_char((0x563acd73bee0), ' ')
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1126106)
   Exit: (208) [system] peek_char((0x563acd73bee0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1143040)
   Exit: (206) [system] peek_char((0x563acd73bee0), '(')
   Call: (206) [system] '('=')'
   Fail: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
   Fail: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x563acd73bee0), _1148610)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1150468)
   Exit: (208) [system] peek_char((0x563acd73bee0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] get_char((0x563acd73bee0), _1166478)
   Exit: (207) [system] get_char((0x563acd73bee0), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x563acd73bee0), _1148610)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1172048)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'O')
   Call: (209) [system] 'O'=(;)
   Fail: (209) [system] 'O'=(;)
   Call: (209) [system] 'O'=(/)
   Fail: (209) [system] 'O'=(/)
^  Call: (209) [user] is_like_space('O')
   Call: (210) [system] char_type('O', 'white')
   Fail: (210) [system] char_type('O', 'white')
   Call: (210) [system] char_type('O', end_of_line)
   Fail: (210) [system] char_type('O', end_of_line)
   Call: (210) [system] char_type('O', space)
   Fail: (210) [system] char_type('O', space)
   Call: (210) [system] char_type('O', cntrl)
   Fail: (210) [system] char_type('O', cntrl)
^  Fail: (209) [user] is_like_space('O')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1188058)
   Exit: (208) [system] peek_char((0x563acd73bee0), 'O')
   Call: (208) [system] 'O'=')'
   Fail: (208) [system] 'O'=')'
   Call: (208) [system] 'O'=end_of_file
   Fail: (208) [system] 'O'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x563acd73bee0), _1193628)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1195486)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'O')
   Call: (210) [system] 'O'=(;)
   Fail: (210) [system] 'O'=(;)
   Call: (210) [system] 'O'=(/)
   Fail: (210) [system] 'O'=(/)
^  Call: (210) [user] is_like_space('O')
   Call: (211) [system] char_type('O', 'white')
   Fail: (211) [system] char_type('O', 'white')
   Call: (211) [system] char_type('O', end_of_line)
   Fail: (211) [system] char_type('O', end_of_line)
   Call: (211) [system] char_type('O', space)
   Fail: (211) [system] char_type('O', space)
   Call: (211) [system] char_type('O', cntrl)
   Fail: (211) [system] char_type('O', cntrl)
^  Fail: (210) [user] is_like_space('O')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] get_char((0x563acd73bee0), _1211496)
   Exit: (209) [system] get_char((0x563acd73bee0), 'O')
   Call: (209) [system] 'O'='('
   Fail: (209) [system] 'O'='('
   Call: (209) [system] 'O'='['
   Fail: (209) [system] 'O'='['
   Call: (209) [system] 'O'='{'
   Fail: (209) [system] 'O'='{'
   Call: (209) [system] 'O'='"'
   Fail: (209) [system] 'O'='"'
   Call: (209) [system] 'O'=!
   Fail: (209) [system] 'O'=!
   Call: (209) [system] 'O'='\''
   Fail: (209) [system] 'O'='\''
   Call: (209) [system] 'O'='`'
   Fail: (209) [system] 'O'='`'
   Call: (209) [system] 'O'=end_of_file
   Fail: (209) [system] 'O'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x563acd73bee0), 'O', _1193628)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1229138)
   Call: (211) [system] peek_char((0x563acd73bee0), _1230072)
   Exit: (211) [system] peek_char((0x563acd73bee0), r)
^  Call: (211) [user] is_delimiter(r)
   Call: (212) [system] char_type(r, space)
   Fail: (212) [system] char_type(r, space)
   Call: (212) [system] arg(_1234792, v('(', ')', end_of_file), r)
   Fail: (212) [system] arg(_1235724, v('(', ')', end_of_file), r)
^  Fail: (211) [user] is_delimiter(r)
   Call: (211) [system] ')'==r
   Fail: (211) [system] ')'==r
   Call: (211) [system] get_char((0x563acd73bee0), r)
   Exit: (211) [system] get_char((0x563acd73bee0), r)
   Call: (211) [system] r=(\)
   Fail: (211) [system] r=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1243074)
   Call: (212) [system] peek_char((0x563acd73bee0), _1244008)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (212) [user] is_delimiter('L')
   Call: (213) [system] char_type('L', space)
   Fail: (213) [system] char_type('L', space)
   Call: (213) [system] arg(_1248728, v('(', ')', end_of_file), 'L')
   Fail: (213) [system] arg(_1249660, v('(', ')', end_of_file), 'L')
^  Fail: (212) [user] is_delimiter('L')
   Call: (212) [system] ')'=='L'
   Fail: (212) [system] ')'=='L'
   Call: (212) [system] get_char((0x563acd73bee0), 'L')
   Exit: (212) [system] get_char((0x563acd73bee0), 'L')
   Call: (212) [system] 'L'=(\)
   Fail: (212) [system] 'L'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _1257010)
   Call: (213) [system] peek_char((0x563acd73bee0), _1257944)
   Exit: (213) [system] peek_char((0x563acd73bee0), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Fail: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_1262664, v('(', ')', end_of_file), i)
   Fail: (214) [system] arg(_1263596, v('(', ')', end_of_file), i)
^  Fail: (213) [user] is_delimiter(i)
   Call: (213) [system] ')'==i
   Fail: (213) [system] ')'==i
   Call: (213) [system] get_char((0x563acd73bee0), i)
   Exit: (213) [system] get_char((0x563acd73bee0), i)
   Call: (213) [system] i=(\)
   Fail: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _1270946)
   Call: (214) [system] peek_char((0x563acd73bee0), _1271880)
   Exit: (214) [system] peek_char((0x563acd73bee0), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_1276600, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_1277532, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x563acd73bee0), n)
   Exit: (214) [system] get_char((0x563acd73bee0), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _1284882)
   Call: (215) [system] peek_char((0x563acd73bee0), _1285816)
   Exit: (215) [system] peek_char((0x563acd73bee0), k)
^  Call: (215) [user] is_delimiter(k)
   Call: (216) [system] char_type(k, space)
   Fail: (216) [system] char_type(k, space)
   Call: (216) [system] arg(_1290536, v('(', ')', end_of_file), k)
   Fail: (216) [system] arg(_1291468, v('(', ')', end_of_file), k)
^  Fail: (215) [user] is_delimiter(k)
   Call: (215) [system] ')'==k
   Fail: (215) [system] ')'==k
   Call: (215) [system] get_char((0x563acd73bee0), k)
   Exit: (215) [system] get_char((0x563acd73bee0), k)
   Call: (215) [system] k=(\)
   Fail: (215) [system] k=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _1298818)
   Call: (216) [system] peek_char((0x563acd73bee0), _1299752)
   Exit: (216) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _1298818=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (215) [system] _1284882=[k]
   Exit: (215) [system] [k]=[k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (214) [system] _1270946=[n, k]
   Exit: (214) [system] [n, k]=[n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (213) [system] _1257010=[i, n, k]
   Exit: (213) [system] [i, n, k]=[i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (212) [system] _1243074=['L', i, n, k]
   Exit: (212) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (211) [system] _1229138=[r, 'L', i, n, k]
   Exit: (211) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (210) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1193628)
^  Call: (211) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1323006)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_1323958, _1323960), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1323006), _1323940, fail)), '$restore_trace'(_1323958, _1323960))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_1323958, _1323960))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1323006), _1323940, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_1323006)
   Fail: (212) [system] atomic(_1323006)
   Call: (212) [system] atom_chars(_1323006, ['O', r, 'L', i, n, k])
   Exit: (212) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (211) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (211) [system] integer('OrLink')
   Fail: (211) [system] integer('OrLink')
   Call: (211) [system] _1193628='OrLink'
   Exit: (211) [system] 'OrLink'='OrLink'
^  Exit: (210) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (209) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (208) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (208) [user] read_list(')', (0x563acd73bee0), _1337956)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1339814)
   Exit: (210) [system] peek_char((0x563acd73bee0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x563acd73bee0), _1349408)
   Exit: (210) [system] get_char((0x563acd73bee0), ' ')
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1352112)
   Exit: (211) [system] peek_char((0x563acd73bee0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1369046)
   Exit: (209) [system] peek_char((0x563acd73bee0), '(')
   Call: (209) [system] '('=')'
   Fail: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
   Fail: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x563acd73bee0), _1374616)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1376474)
   Exit: (211) [system] peek_char((0x563acd73bee0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] get_char((0x563acd73bee0), _1392484)
   Exit: (210) [system] get_char((0x563acd73bee0), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x563acd73bee0), _1374616)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1398054)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'I')
   Call: (212) [system] 'I'=(;)
   Fail: (212) [system] 'I'=(;)
   Call: (212) [system] 'I'=(/)
   Fail: (212) [system] 'I'=(/)
^  Call: (212) [user] is_like_space('I')
   Call: (213) [system] char_type('I', 'white')
   Fail: (213) [system] char_type('I', 'white')
   Call: (213) [system] char_type('I', end_of_line)
   Fail: (213) [system] char_type('I', end_of_line)
   Call: (213) [system] char_type('I', space)
   Fail: (213) [system] char_type('I', space)
   Call: (213) [system] char_type('I', cntrl)
   Fail: (213) [system] char_type('I', cntrl)
^  Fail: (212) [user] is_like_space('I')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1414064)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'I')
   Call: (211) [system] 'I'=')'
   Fail: (211) [system] 'I'=')'
   Call: (211) [system] 'I'=end_of_file
   Fail: (211) [system] 'I'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x563acd73bee0), _1419634)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1421492)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'I')
   Call: (213) [system] 'I'=(;)
   Fail: (213) [system] 'I'=(;)
   Call: (213) [system] 'I'=(/)
   Fail: (213) [system] 'I'=(/)
^  Call: (213) [user] is_like_space('I')
   Call: (214) [system] char_type('I', 'white')
   Fail: (214) [system] char_type('I', 'white')
   Call: (214) [system] char_type('I', end_of_line)
   Fail: (214) [system] char_type('I', end_of_line)
   Call: (214) [system] char_type('I', space)
   Fail: (214) [system] char_type('I', space)
   Call: (214) [system] char_type('I', cntrl)
   Fail: (214) [system] char_type('I', cntrl)
^  Fail: (213) [user] is_like_space('I')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] get_char((0x563acd73bee0), _1437502)
   Exit: (212) [system] get_char((0x563acd73bee0), 'I')
   Call: (212) [system] 'I'='('
   Fail: (212) [system] 'I'='('
   Call: (212) [system] 'I'='['
   Fail: (212) [system] 'I'='['
   Call: (212) [system] 'I'='{'
   Fail: (212) [system] 'I'='{'
   Call: (212) [system] 'I'='"'
   Fail: (212) [system] 'I'='"'
   Call: (212) [system] 'I'=!
   Fail: (212) [system] 'I'=!
   Call: (212) [system] 'I'='\''
   Fail: (212) [system] 'I'='\''
   Call: (212) [system] 'I'='`'
   Fail: (212) [system] 'I'='`'
   Call: (212) [system] 'I'=end_of_file
   Fail: (212) [system] 'I'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x563acd73bee0), 'I', _1419634)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _1455144)
   Call: (214) [system] peek_char((0x563acd73bee0), _1456078)
   Exit: (214) [system] peek_char((0x563acd73bee0), m)
^  Call: (214) [user] is_delimiter(m)
   Call: (215) [system] char_type(m, space)
   Fail: (215) [system] char_type(m, space)
   Call: (215) [system] arg(_1460798, v('(', ')', end_of_file), m)
   Fail: (215) [system] arg(_1461730, v('(', ')', end_of_file), m)
^  Fail: (214) [user] is_delimiter(m)
   Call: (214) [system] ')'==m
   Fail: (214) [system] ')'==m
   Call: (214) [system] get_char((0x563acd73bee0), m)
   Exit: (214) [system] get_char((0x563acd73bee0), m)
   Call: (214) [system] m=(\)
   Fail: (214) [system] m=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _1469080)
   Call: (215) [system] peek_char((0x563acd73bee0), _1470014)
   Exit: (215) [system] peek_char((0x563acd73bee0), p)
^  Call: (215) [user] is_delimiter(p)
   Call: (216) [system] char_type(p, space)
   Fail: (216) [system] char_type(p, space)
   Call: (216) [system] arg(_1474734, v('(', ')', end_of_file), p)
   Fail: (216) [system] arg(_1475666, v('(', ')', end_of_file), p)
^  Fail: (215) [user] is_delimiter(p)
   Call: (215) [system] ')'==p
   Fail: (215) [system] ')'==p
   Call: (215) [system] get_char((0x563acd73bee0), p)
   Exit: (215) [system] get_char((0x563acd73bee0), p)
   Call: (215) [system] p=(\)
   Fail: (215) [system] p=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _1483016)
   Call: (216) [system] peek_char((0x563acd73bee0), _1483950)
   Exit: (216) [system] peek_char((0x563acd73bee0), l)
^  Call: (216) [user] is_delimiter(l)
   Call: (217) [system] char_type(l, space)
   Fail: (217) [system] char_type(l, space)
   Call: (217) [system] arg(_1488670, v('(', ')', end_of_file), l)
   Fail: (217) [system] arg(_1489602, v('(', ')', end_of_file), l)
^  Fail: (216) [user] is_delimiter(l)
   Call: (216) [system] ')'==l
   Fail: (216) [system] ')'==l
   Call: (216) [system] get_char((0x563acd73bee0), l)
   Exit: (216) [system] get_char((0x563acd73bee0), l)
   Call: (216) [system] l=(\)
   Fail: (216) [system] l=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _1496952)
   Call: (217) [system] peek_char((0x563acd73bee0), _1497886)
   Exit: (217) [system] peek_char((0x563acd73bee0), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_1502606, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_1503538, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x563acd73bee0), i)
   Exit: (217) [system] get_char((0x563acd73bee0), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _1510888)
   Call: (218) [system] peek_char((0x563acd73bee0), _1511822)
   Exit: (218) [system] peek_char((0x563acd73bee0), c)
^  Call: (218) [user] is_delimiter(c)
   Call: (219) [system] char_type(c, space)
   Fail: (219) [system] char_type(c, space)
   Call: (219) [system] arg(_1516542, v('(', ')', end_of_file), c)
   Fail: (219) [system] arg(_1517474, v('(', ')', end_of_file), c)
^  Fail: (218) [user] is_delimiter(c)
   Call: (218) [system] ')'==c
   Fail: (218) [system] ')'==c
   Call: (218) [system] get_char((0x563acd73bee0), c)
   Exit: (218) [system] get_char((0x563acd73bee0), c)
   Call: (218) [system] c=(\)
   Fail: (218) [system] c=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _1524824)
   Call: (219) [system] peek_char((0x563acd73bee0), _1525758)
   Exit: (219) [system] peek_char((0x563acd73bee0), a)
^  Call: (219) [user] is_delimiter(a)
   Call: (220) [system] char_type(a, space)
   Fail: (220) [system] char_type(a, space)
   Call: (220) [system] arg(_1530478, v('(', ')', end_of_file), a)
   Fail: (220) [system] arg(_1531410, v('(', ')', end_of_file), a)
^  Fail: (219) [user] is_delimiter(a)
   Call: (219) [system] ')'==a
   Fail: (219) [system] ')'==a
   Call: (219) [system] get_char((0x563acd73bee0), a)
   Exit: (219) [system] get_char((0x563acd73bee0), a)
   Call: (219) [system] a=(\)
   Fail: (219) [system] a=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _1538760)
   Call: (220) [system] peek_char((0x563acd73bee0), _1539694)
   Exit: (220) [system] peek_char((0x563acd73bee0), t)
^  Call: (220) [user] is_delimiter(t)
   Call: (221) [system] char_type(t, space)
   Fail: (221) [system] char_type(t, space)
   Call: (221) [system] arg(_1544414, v('(', ')', end_of_file), t)
   Fail: (221) [system] arg(_1545346, v('(', ')', end_of_file), t)
^  Fail: (220) [user] is_delimiter(t)
   Call: (220) [system] ')'==t
   Fail: (220) [system] ')'==t
   Call: (220) [system] get_char((0x563acd73bee0), t)
   Exit: (220) [system] get_char((0x563acd73bee0), t)
   Call: (220) [system] t=(\)
   Fail: (220) [system] t=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _1552696)
   Call: (221) [system] peek_char((0x563acd73bee0), _1553630)
   Exit: (221) [system] peek_char((0x563acd73bee0), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_1558350, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_1559282, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x563acd73bee0), i)
   Exit: (221) [system] get_char((0x563acd73bee0), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _1566632)
   Call: (222) [system] peek_char((0x563acd73bee0), _1567566)
   Exit: (222) [system] peek_char((0x563acd73bee0), o)
^  Call: (222) [user] is_delimiter(o)
   Call: (223) [system] char_type(o, space)
   Fail: (223) [system] char_type(o, space)
   Call: (223) [system] arg(_1572286, v('(', ')', end_of_file), o)
   Fail: (223) [system] arg(_1573218, v('(', ')', end_of_file), o)
^  Fail: (222) [user] is_delimiter(o)
   Call: (222) [system] ')'==o
   Fail: (222) [system] ')'==o
   Call: (222) [system] get_char((0x563acd73bee0), o)
   Exit: (222) [system] get_char((0x563acd73bee0), o)
   Call: (222) [system] o=(\)
   Fail: (222) [system] o=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _1580568)
   Call: (223) [system] peek_char((0x563acd73bee0), _1581502)
   Exit: (223) [system] peek_char((0x563acd73bee0), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_1586222, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_1587154, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x563acd73bee0), n)
   Exit: (223) [system] get_char((0x563acd73bee0), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _1594504)
   Call: (224) [system] peek_char((0x563acd73bee0), _1595438)
   Exit: (224) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _1594504=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (223) [system] _1580568=[n]
   Exit: (223) [system] [n]=[n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (222) [system] _1566632=[o, n]
   Exit: (222) [system] [o, n]=[o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (221) [system] _1552696=[i, o, n]
   Exit: (221) [system] [i, o, n]=[i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (220) [system] _1538760=[t, i, o, n]
   Exit: (220) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (219) [system] _1524824=[a, t, i, o, n]
   Exit: (219) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (218) [system] _1510888=[c, a, t, i, o, n]
   Exit: (218) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (217) [system] _1496952=[i, c, a, t, i, o, n]
   Exit: (217) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (216) [system] _1483016=[l, i, c, a, t, i, o, n]
   Exit: (216) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (215) [system] _1469080=[p, l, i, c, a, t, i, o, n]
   Exit: (215) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (214) [system] _1455144=[m, p, l, i, c, a, t, i, o, n]
   Exit: (214) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (213) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1419634)
^  Call: (214) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1632662)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1633614, _1633616), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1632662), _1633596, fail)), '$restore_trace'(_1633614, _1633616))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1633614, _1633616))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1632662), _1633596, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_1632662)
   Fail: (215) [system] atomic(_1632662)
   Call: (215) [system] atom_chars(_1632662, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (215) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (214) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (214) [system] integer('Implication')
   Fail: (214) [system] integer('Implication')
   Call: (214) [system] _1419634='Implication'
   Exit: (214) [system] 'Implication'='Implication'
^  Exit: (213) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (212) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (211) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (211) [user] read_list(')', (0x563acd73bee0), _1647612)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1649470)
   Exit: (213) [system] peek_char((0x563acd73bee0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x563acd73bee0), _1659064)
   Exit: (213) [system] get_char((0x563acd73bee0), ' ')
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1661768)
   Exit: (214) [system] peek_char((0x563acd73bee0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1678702)
   Exit: (212) [system] peek_char((0x563acd73bee0), '(')
   Call: (212) [system] '('=')'
   Fail: (212) [system] '('=')'
   Call: (212) [system] '('=end_of_file
   Fail: (212) [system] '('=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x563acd73bee0), _1684272)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1686130)
   Exit: (214) [system] peek_char((0x563acd73bee0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] get_char((0x563acd73bee0), _1702140)
   Exit: (213) [system] get_char((0x563acd73bee0), '(')
   Call: (213) [system] '('='('
   Exit: (213) [system] '('='('
^  Call: (213) [user] read_list(')', (0x563acd73bee0), _1684272)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1707710)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'A')
   Call: (215) [system] 'A'=(;)
   Fail: (215) [system] 'A'=(;)
   Call: (215) [system] 'A'=(/)
   Fail: (215) [system] 'A'=(/)
^  Call: (215) [user] is_like_space('A')
   Call: (216) [system] char_type('A', 'white')
   Fail: (216) [system] char_type('A', 'white')
   Call: (216) [system] char_type('A', end_of_line)
   Fail: (216) [system] char_type('A', end_of_line)
   Call: (216) [system] char_type('A', space)
   Fail: (216) [system] char_type('A', space)
   Call: (216) [system] char_type('A', cntrl)
   Fail: (216) [system] char_type('A', cntrl)
^  Fail: (215) [user] is_like_space('A')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1723720)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'A')
   Call: (214) [system] 'A'=')'
   Fail: (214) [system] 'A'=')'
   Call: (214) [system] 'A'=end_of_file
   Fail: (214) [system] 'A'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x563acd73bee0), _1729290)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1731148)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'A')
   Call: (216) [system] 'A'=(;)
   Fail: (216) [system] 'A'=(;)
   Call: (216) [system] 'A'=(/)
   Fail: (216) [system] 'A'=(/)
^  Call: (216) [user] is_like_space('A')
   Call: (217) [system] char_type('A', 'white')
   Fail: (217) [system] char_type('A', 'white')
   Call: (217) [system] char_type('A', end_of_line)
   Fail: (217) [system] char_type('A', end_of_line)
   Call: (217) [system] char_type('A', space)
   Fail: (217) [system] char_type('A', space)
   Call: (217) [system] char_type('A', cntrl)
   Fail: (217) [system] char_type('A', cntrl)
^  Fail: (216) [user] is_like_space('A')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] get_char((0x563acd73bee0), _1747158)
   Exit: (215) [system] get_char((0x563acd73bee0), 'A')
   Call: (215) [system] 'A'='('
   Fail: (215) [system] 'A'='('
   Call: (215) [system] 'A'='['
   Fail: (215) [system] 'A'='['
   Call: (215) [system] 'A'='{'
   Fail: (215) [system] 'A'='{'
   Call: (215) [system] 'A'='"'
   Fail: (215) [system] 'A'='"'
   Call: (215) [system] 'A'=!
   Fail: (215) [system] 'A'=!
   Call: (215) [system] 'A'='\''
   Fail: (215) [system] 'A'='\''
   Call: (215) [system] 'A'='`'
   Fail: (215) [system] 'A'='`'
   Call: (215) [system] 'A'=end_of_file
   Fail: (215) [system] 'A'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x563acd73bee0), 'A', _1729290)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _1764800)
   Call: (217) [system] peek_char((0x563acd73bee0), _1765734)
   Exit: (217) [system] peek_char((0x563acd73bee0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_1770454, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_1771386, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x563acd73bee0), n)
   Exit: (217) [system] get_char((0x563acd73bee0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _1778736)
   Call: (218) [system] peek_char((0x563acd73bee0), _1779670)
   Exit: (218) [system] peek_char((0x563acd73bee0), d)
^  Call: (218) [user] is_delimiter(d)
   Call: (219) [system] char_type(d, space)
   Fail: (219) [system] char_type(d, space)
   Call: (219) [system] arg(_1784390, v('(', ')', end_of_file), d)
   Fail: (219) [system] arg(_1785322, v('(', ')', end_of_file), d)
^  Fail: (218) [user] is_delimiter(d)
   Call: (218) [system] ')'==d
   Fail: (218) [system] ')'==d
   Call: (218) [system] get_char((0x563acd73bee0), d)
   Exit: (218) [system] get_char((0x563acd73bee0), d)
   Call: (218) [system] d=(\)
   Fail: (218) [system] d=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _1792672)
   Call: (219) [system] peek_char((0x563acd73bee0), _1793606)
   Exit: (219) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (219) [user] is_delimiter('L')
   Call: (220) [system] char_type('L', space)
   Fail: (220) [system] char_type('L', space)
   Call: (220) [system] arg(_1798326, v('(', ')', end_of_file), 'L')
   Fail: (220) [system] arg(_1799258, v('(', ')', end_of_file), 'L')
^  Fail: (219) [user] is_delimiter('L')
   Call: (219) [system] ')'=='L'
   Fail: (219) [system] ')'=='L'
   Call: (219) [system] get_char((0x563acd73bee0), 'L')
   Exit: (219) [system] get_char((0x563acd73bee0), 'L')
   Call: (219) [system] 'L'=(\)
   Fail: (219) [system] 'L'=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _1806608)
   Call: (220) [system] peek_char((0x563acd73bee0), _1807542)
   Exit: (220) [system] peek_char((0x563acd73bee0), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_1812262, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_1813194, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x563acd73bee0), i)
   Exit: (220) [system] get_char((0x563acd73bee0), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _1820544)
   Call: (221) [system] peek_char((0x563acd73bee0), _1821478)
   Exit: (221) [system] peek_char((0x563acd73bee0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_1826198, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_1827130, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x563acd73bee0), n)
   Exit: (221) [system] get_char((0x563acd73bee0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _1834480)
   Call: (222) [system] peek_char((0x563acd73bee0), _1835414)
   Exit: (222) [system] peek_char((0x563acd73bee0), k)
^  Call: (222) [user] is_delimiter(k)
   Call: (223) [system] char_type(k, space)
   Fail: (223) [system] char_type(k, space)
   Call: (223) [system] arg(_1840134, v('(', ')', end_of_file), k)
   Fail: (223) [system] arg(_1841066, v('(', ')', end_of_file), k)
^  Fail: (222) [user] is_delimiter(k)
   Call: (222) [system] ')'==k
   Fail: (222) [system] ')'==k
   Call: (222) [system] get_char((0x563acd73bee0), k)
   Exit: (222) [system] get_char((0x563acd73bee0), k)
   Call: (222) [system] k=(\)
   Fail: (222) [system] k=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _1848416)
   Call: (223) [system] peek_char((0x563acd73bee0), _1849350)
   Exit: (223) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _1848416=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (222) [system] _1834480=[k]
   Exit: (222) [system] [k]=[k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (221) [system] _1820544=[n, k]
   Exit: (221) [system] [n, k]=[n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (220) [system] _1806608=[i, n, k]
   Exit: (220) [system] [i, n, k]=[i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (219) [system] _1792672=['L', i, n, k]
   Exit: (219) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (218) [system] _1778736=[d, 'L', i, n, k]
   Exit: (218) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, 'L', i, n, k])
   Call: (217) [system] _1764800=[n, d, 'L', i, n, k]
   Exit: (217) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, d, 'L', i, n, k])
^  Call: (216) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1729290)
^  Call: (217) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1875398)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1876350, _1876352), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1875398), _1876332, fail)), '$restore_trace'(_1876350, _1876352))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1876350, _1876352))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1875398), _1876332, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_1875398)
   Fail: (218) [system] atomic(_1875398)
   Call: (218) [system] atom_chars(_1875398, ['A', n, d, 'L', i, n, k])
   Exit: (218) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (217) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (217) [system] integer('AndLink')
   Fail: (217) [system] integer('AndLink')
   Call: (217) [system] _1729290='AndLink'
   Exit: (217) [system] 'AndLink'='AndLink'
^  Exit: (216) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (215) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'AndLink')
^  Exit: (214) [user] cont_sexpr(')', (0x563acd73bee0), 'AndLink')
^  Call: (214) [user] read_list(')', (0x563acd73bee0), _1890348)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1892206)
   Exit: (216) [system] peek_char((0x563acd73bee0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x563acd73bee0), _1901800)
   Exit: (216) [system] get_char((0x563acd73bee0), ' ')
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1904504)
   Exit: (217) [system] peek_char((0x563acd73bee0), 'A')
   Call: (217) [system] 'A'=(;)
   Fail: (217) [system] 'A'=(;)
   Call: (217) [system] 'A'=(/)
   Fail: (217) [system] 'A'=(/)
^  Call: (217) [user] is_like_space('A')
   Call: (218) [system] char_type('A', 'white')
   Fail: (218) [system] char_type('A', 'white')
   Call: (218) [system] char_type('A', end_of_line)
   Fail: (218) [system] char_type('A', end_of_line)
   Call: (218) [system] char_type('A', space)
   Fail: (218) [system] char_type('A', space)
   Call: (218) [system] char_type('A', cntrl)
   Fail: (218) [system] char_type('A', cntrl)
^  Fail: (217) [user] is_like_space('A')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1921438)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'A')
   Call: (215) [system] 'A'=')'
   Fail: (215) [system] 'A'=')'
   Call: (215) [system] 'A'=end_of_file
   Fail: (215) [system] 'A'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x563acd73bee0), _1927008)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1928866)
   Exit: (217) [system] peek_char((0x563acd73bee0), 'A')
   Call: (217) [system] 'A'=(;)
   Fail: (217) [system] 'A'=(;)
   Call: (217) [system] 'A'=(/)
   Fail: (217) [system] 'A'=(/)
^  Call: (217) [user] is_like_space('A')
   Call: (218) [system] char_type('A', 'white')
   Fail: (218) [system] char_type('A', 'white')
   Call: (218) [system] char_type('A', end_of_line)
   Fail: (218) [system] char_type('A', end_of_line)
   Call: (218) [system] char_type('A', space)
   Fail: (218) [system] char_type('A', space)
   Call: (218) [system] char_type('A', cntrl)
   Fail: (218) [system] char_type('A', cntrl)
^  Fail: (217) [user] is_like_space('A')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] get_char((0x563acd73bee0), _1944876)
   Exit: (216) [system] get_char((0x563acd73bee0), 'A')
   Call: (216) [system] 'A'='('
   Fail: (216) [system] 'A'='('
   Call: (216) [system] 'A'='['
   Fail: (216) [system] 'A'='['
   Call: (216) [system] 'A'='{'
   Fail: (216) [system] 'A'='{'
   Call: (216) [system] 'A'='"'
   Fail: (216) [system] 'A'='"'
   Call: (216) [system] 'A'=!
   Fail: (216) [system] 'A'=!
   Call: (216) [system] 'A'='\''
   Fail: (216) [system] 'A'='\''
   Call: (216) [system] 'A'='`'
   Fail: (216) [system] 'A'='`'
   Call: (216) [system] 'A'=end_of_file
   Fail: (216) [system] 'A'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x563acd73bee0), 'A', _1927008)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _1962518)
   Call: (218) [system] peek_char((0x563acd73bee0), _1963452)
   Exit: (218) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _1962518=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (217) [user] classify_and_convert_charseq(['A'], _1927008)
^  Call: (218) [user] classify_and_convert_charseq_(['A'], _1972736)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_1973688, _1973690), once(user:catch(read_from_chars(['A'], _1972736), _1973670, fail)), '$restore_trace'(_1973688, _1973690))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_1973688, _1973690))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1972736), _1973670, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_1972736)
   Fail: (219) [system] atomic(_1972736)
   Call: (219) [system] atom_chars(_1972736, ['A'])
   Exit: (219) [system] atom_chars('A', ['A'])
^  Exit: (218) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (218) [system] integer('A')
   Fail: (218) [system] integer('A')
   Call: (218) [system] _1927008='A'
   Exit: (218) [system] 'A'='A'
^  Exit: (217) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (216) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (215) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (215) [user] read_list(')', (0x563acd73bee0), _1987686)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1989544)
   Exit: (217) [system] peek_char((0x563acd73bee0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x563acd73bee0), _1999138)
   Exit: (217) [system] get_char((0x563acd73bee0), ' ')
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _2001842)
   Exit: (218) [system] peek_char((0x563acd73bee0), 'B')
   Call: (218) [system] 'B'=(;)
   Fail: (218) [system] 'B'=(;)
   Call: (218) [system] 'B'=(/)
   Fail: (218) [system] 'B'=(/)
^  Call: (218) [user] is_like_space('B')
   Call: (219) [system] char_type('B', 'white')
   Fail: (219) [system] char_type('B', 'white')
   Call: (219) [system] char_type('B', end_of_line)
   Fail: (219) [system] char_type('B', end_of_line)
   Call: (219) [system] char_type('B', space)
   Fail: (219) [system] char_type('B', space)
   Call: (219) [system] char_type('B', cntrl)
   Fail: (219) [system] char_type('B', cntrl)
^  Fail: (218) [user] is_like_space('B')
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _2018776)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'B')
   Call: (216) [system] 'B'=')'
   Fail: (216) [system] 'B'=')'
   Call: (216) [system] 'B'=end_of_file
   Fail: (216) [system] 'B'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x563acd73bee0), _2024346)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _2026204)
   Exit: (218) [system] peek_char((0x563acd73bee0), 'B')
   Call: (218) [system] 'B'=(;)
   Fail: (218) [system] 'B'=(;)
   Call: (218) [system] 'B'=(/)
   Fail: (218) [system] 'B'=(/)
^  Call: (218) [user] is_like_space('B')
   Call: (219) [system] char_type('B', 'white')
   Fail: (219) [system] char_type('B', 'white')
   Call: (219) [system] char_type('B', end_of_line)
   Fail: (219) [system] char_type('B', end_of_line)
   Call: (219) [system] char_type('B', space)
   Fail: (219) [system] char_type('B', space)
   Call: (219) [system] char_type('B', cntrl)
   Fail: (219) [system] char_type('B', cntrl)
^  Fail: (218) [user] is_like_space('B')
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] get_char((0x563acd73bee0), _2042214)
   Exit: (217) [system] get_char((0x563acd73bee0), 'B')
   Call: (217) [system] 'B'='('
   Fail: (217) [system] 'B'='('
   Call: (217) [system] 'B'='['
   Fail: (217) [system] 'B'='['
   Call: (217) [system] 'B'='{'
   Fail: (217) [system] 'B'='{'
   Call: (217) [system] 'B'='"'
   Fail: (217) [system] 'B'='"'
   Call: (217) [system] 'B'=!
   Fail: (217) [system] 'B'=!
   Call: (217) [system] 'B'='\''
   Fail: (217) [system] 'B'='\''
   Call: (217) [system] 'B'='`'
   Fail: (217) [system] 'B'='`'
   Call: (217) [system] 'B'=end_of_file
   Fail: (217) [system] 'B'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x563acd73bee0), 'B', _2024346)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _2059856)
   Call: (219) [system] peek_char((0x563acd73bee0), _2060790)
   Exit: (219) [system] peek_char((0x563acd73bee0), ')')
^  Call: (219) [user] is_delimiter(')')
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] arg(_2065510, v('(', ')', end_of_file), ')')
   Exit: (220) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (219) [user] is_delimiter(')')
   Call: (219) [system] _2059856=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (218) [user] classify_and_convert_charseq(['B'], _2024346)
^  Call: (219) [user] classify_and_convert_charseq_(['B'], _2071946)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_2072898, _2072900), once(user:catch(read_from_chars(['B'], _2071946), _2072880, fail)), '$restore_trace'(_2072898, _2072900))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_2072898, _2072900))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _2071946), _2072880, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_2071946)
   Fail: (220) [system] atomic(_2071946)
   Call: (220) [system] atom_chars(_2071946, ['B'])
   Exit: (220) [system] atom_chars('B', ['B'])
^  Exit: (219) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (219) [system] integer('B')
   Fail: (219) [system] integer('B')
   Call: (219) [system] _2024346='B'
   Exit: (219) [system] 'B'='B'
^  Exit: (218) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (217) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (216) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (216) [user] read_list(')', (0x563acd73bee0), _2086896)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _2088754)
   Exit: (218) [system] peek_char((0x563acd73bee0), ')')
   Call: (218) [system] ')'=(;)
   Fail: (218) [system] ')'=(;)
   Call: (218) [system] ')'=(/)
   Fail: (218) [system] ')'=(/)
^  Call: (218) [user] is_like_space(')')
   Call: (219) [system] char_type(')', 'white')
   Fail: (219) [system] char_type(')', 'white')
   Call: (219) [system] char_type(')', end_of_line)
   Fail: (219) [system] char_type(')', end_of_line)
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] char_type(')', cntrl)
   Fail: (219) [system] char_type(')', cntrl)
^  Fail: (218) [user] is_like_space(')')
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _12416)
   Exit: (217) [system] peek_char((0x563acd73bee0), ')')
   Call: (217) [system] ')'=')'
   Exit: (217) [system] ')'=')'
   Call: (217) [system] get_char((0x563acd73bee0), _16206)
   Exit: (217) [system] get_char((0x563acd73bee0), ')')
   Call: (217) [system] _4444=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_list(')', (0x563acd73bee0), [])
   Call: (216) [system] _4438=['B']
   Exit: (216) [system] ['B']=['B']
^  Exit: (215) [user] read_list(')', (0x563acd73bee0), ['B'])
   Call: (215) [system] _4432=['A', 'B']
   Exit: (215) [system] ['A', 'B']=['A', 'B']
^  Exit: (214) [user] read_list(')', (0x563acd73bee0), ['A', 'B'])
   Call: (214) [system] _4424=['AndLink', 'A', 'B']
   Exit: (214) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (213) [user] read_list(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Exit: (212) [user] cont_sexpr(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Call: (212) [user] read_list(')', (0x563acd73bee0), _30088)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _31946)
   Exit: (214) [system] peek_char((0x563acd73bee0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x563acd73bee0), _41540)
   Exit: (214) [system] get_char((0x563acd73bee0), ' ')
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _44244)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'C')
   Call: (215) [system] 'C'=(;)
   Fail: (215) [system] 'C'=(;)
   Call: (215) [system] 'C'=(/)
   Fail: (215) [system] 'C'=(/)
^  Call: (215) [user] is_like_space('C')
   Call: (216) [system] char_type('C', 'white')
   Fail: (216) [system] char_type('C', 'white')
   Call: (216) [system] char_type('C', end_of_line)
   Fail: (216) [system] char_type('C', end_of_line)
   Call: (216) [system] char_type('C', space)
   Fail: (216) [system] char_type('C', space)
   Call: (216) [system] char_type('C', cntrl)
   Fail: (216) [system] char_type('C', cntrl)
^  Fail: (215) [user] is_like_space('C')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _61178)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'C')
   Call: (213) [system] 'C'=')'
   Fail: (213) [system] 'C'=')'
   Call: (213) [system] 'C'=end_of_file
   Fail: (213) [system] 'C'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x563acd73bee0), _66748)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _68606)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'C')
   Call: (215) [system] 'C'=(;)
   Fail: (215) [system] 'C'=(;)
   Call: (215) [system] 'C'=(/)
   Fail: (215) [system] 'C'=(/)
^  Call: (215) [user] is_like_space('C')
   Call: (216) [system] char_type('C', 'white')
   Fail: (216) [system] char_type('C', 'white')
   Call: (216) [system] char_type('C', end_of_line)
   Fail: (216) [system] char_type('C', end_of_line)
   Call: (216) [system] char_type('C', space)
   Fail: (216) [system] char_type('C', space)
   Call: (216) [system] char_type('C', cntrl)
   Fail: (216) [system] char_type('C', cntrl)
^  Fail: (215) [user] is_like_space('C')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] get_char((0x563acd73bee0), _84616)
   Exit: (214) [system] get_char((0x563acd73bee0), 'C')
   Call: (214) [system] 'C'='('
   Fail: (214) [system] 'C'='('
   Call: (214) [system] 'C'='['
   Fail: (214) [system] 'C'='['
   Call: (214) [system] 'C'='{'
   Fail: (214) [system] 'C'='{'
   Call: (214) [system] 'C'='"'
   Fail: (214) [system] 'C'='"'
   Call: (214) [system] 'C'=!
   Fail: (214) [system] 'C'=!
   Call: (214) [system] 'C'='\''
   Fail: (214) [system] 'C'='\''
   Call: (214) [system] 'C'='`'
   Fail: (214) [system] 'C'='`'
   Call: (214) [system] 'C'=end_of_file
   Fail: (214) [system] 'C'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x563acd73bee0), 'C', _66748)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _102258)
   Call: (216) [system] peek_char((0x563acd73bee0), _103192)
   Exit: (216) [system] peek_char((0x563acd73bee0), ')')
^  Call: (216) [user] is_delimiter(')')
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] arg(_107912, v('(', ')', end_of_file), ')')
   Exit: (217) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (216) [user] is_delimiter(')')
   Call: (216) [system] _102258=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (215) [user] classify_and_convert_charseq(['C'], _66748)
^  Call: (216) [user] classify_and_convert_charseq_(['C'], _114348)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_115300, _115302), once(user:catch(read_from_chars(['C'], _114348), _115282, fail)), '$restore_trace'(_115300, _115302))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_115300, _115302))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _114348), _115282, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_114348)
   Fail: (217) [system] atomic(_114348)
   Call: (217) [system] atom_chars(_114348, ['C'])
   Exit: (217) [system] atom_chars('C', ['C'])
^  Exit: (216) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (216) [system] integer('C')
   Fail: (216) [system] integer('C')
   Call: (216) [system] _66748='C'
   Exit: (216) [system] 'C'='C'
^  Exit: (215) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (214) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (213) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (213) [user] read_list(')', (0x563acd73bee0), _129298)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _131156)
   Exit: (215) [system] peek_char((0x563acd73bee0), ')')
   Call: (215) [system] ')'=(;)
   Fail: (215) [system] ')'=(;)
   Call: (215) [system] ')'=(/)
   Fail: (215) [system] ')'=(/)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Fail: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Fail: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
   Fail: (216) [system] char_type(')', cntrl)
^  Fail: (215) [user] is_like_space(')')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _147166)
   Exit: (214) [system] peek_char((0x563acd73bee0), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x563acd73bee0), _150956)
   Exit: (214) [system] get_char((0x563acd73bee0), ')')
   Call: (214) [system] _129298=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x563acd73bee0), [])
   Call: (213) [system] _30088=['C']
   Exit: (213) [system] ['C']=['C']
^  Exit: (212) [user] read_list(')', (0x563acd73bee0), ['C'])
   Call: (212) [system] _4420=[['AndLink', 'A', 'B'], 'C']
   Exit: (212) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (211) [user] read_list(')', (0x563acd73bee0), [['AndLink', 'A', 'B'], 'C'])
   Call: (211) [system] _4412=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (211) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (210) [user] read_list(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (209) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (209) [user] read_list(')', (0x563acd73bee0), _164838)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _166696)
   Exit: (211) [system] peek_char((0x563acd73bee0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x563acd73bee0), _176290)
   Exit: (211) [system] get_char((0x563acd73bee0), ' ')
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _178994)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'B')
   Call: (212) [system] 'B'=(;)
   Fail: (212) [system] 'B'=(;)
   Call: (212) [system] 'B'=(/)
   Fail: (212) [system] 'B'=(/)
^  Call: (212) [user] is_like_space('B')
   Call: (213) [system] char_type('B', 'white')
   Fail: (213) [system] char_type('B', 'white')
   Call: (213) [system] char_type('B', end_of_line)
   Fail: (213) [system] char_type('B', end_of_line)
   Call: (213) [system] char_type('B', space)
   Fail: (213) [system] char_type('B', space)
   Call: (213) [system] char_type('B', cntrl)
   Fail: (213) [system] char_type('B', cntrl)
^  Fail: (212) [user] is_like_space('B')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _195928)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'B')
   Call: (210) [system] 'B'=')'
   Fail: (210) [system] 'B'=')'
   Call: (210) [system] 'B'=end_of_file
   Fail: (210) [system] 'B'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x563acd73bee0), _201498)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _203356)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'B')
   Call: (212) [system] 'B'=(;)
   Fail: (212) [system] 'B'=(;)
   Call: (212) [system] 'B'=(/)
   Fail: (212) [system] 'B'=(/)
^  Call: (212) [user] is_like_space('B')
   Call: (213) [system] char_type('B', 'white')
   Fail: (213) [system] char_type('B', 'white')
   Call: (213) [system] char_type('B', end_of_line)
   Fail: (213) [system] char_type('B', end_of_line)
   Call: (213) [system] char_type('B', space)
   Fail: (213) [system] char_type('B', space)
   Call: (213) [system] char_type('B', cntrl)
   Fail: (213) [system] char_type('B', cntrl)
^  Fail: (212) [user] is_like_space('B')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] get_char((0x563acd73bee0), _219366)
   Exit: (211) [system] get_char((0x563acd73bee0), 'B')
   Call: (211) [system] 'B'='('
   Fail: (211) [system] 'B'='('
   Call: (211) [system] 'B'='['
   Fail: (211) [system] 'B'='['
   Call: (211) [system] 'B'='{'
   Fail: (211) [system] 'B'='{'
   Call: (211) [system] 'B'='"'
   Fail: (211) [system] 'B'='"'
   Call: (211) [system] 'B'=!
   Fail: (211) [system] 'B'=!
   Call: (211) [system] 'B'='\''
   Fail: (211) [system] 'B'='\''
   Call: (211) [system] 'B'='`'
   Fail: (211) [system] 'B'='`'
   Call: (211) [system] 'B'=end_of_file
   Fail: (211) [system] 'B'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x563acd73bee0), 'B', _201498)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _237008)
   Call: (213) [system] peek_char((0x563acd73bee0), _237942)
   Exit: (213) [system] peek_char((0x563acd73bee0), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_242662, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _237008=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (212) [user] classify_and_convert_charseq(['B'], _201498)
^  Call: (213) [user] classify_and_convert_charseq_(['B'], _249098)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_250050, _250052), once(user:catch(read_from_chars(['B'], _249098), _250032, fail)), '$restore_trace'(_250050, _250052))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_250050, _250052))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _249098), _250032, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_249098)
   Fail: (214) [system] atomic(_249098)
   Call: (214) [system] atom_chars(_249098, ['B'])
   Exit: (214) [system] atom_chars('B', ['B'])
^  Exit: (213) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (213) [system] integer('B')
   Fail: (213) [system] integer('B')
   Call: (213) [system] _201498='B'
   Exit: (213) [system] 'B'='B'
^  Exit: (212) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (211) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (210) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (210) [user] read_list(')', (0x563acd73bee0), _264048)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _265906)
   Exit: (212) [system] peek_char((0x563acd73bee0), ')')
   Call: (212) [system] ')'=(;)
   Fail: (212) [system] ')'=(;)
   Call: (212) [system] ')'=(/)
   Fail: (212) [system] ')'=(/)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Fail: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Fail: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
   Fail: (213) [system] char_type(')', cntrl)
^  Fail: (212) [user] is_like_space(')')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _281916)
   Exit: (211) [system] peek_char((0x563acd73bee0), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x563acd73bee0), _285706)
   Exit: (211) [system] get_char((0x563acd73bee0), ')')
   Call: (211) [system] _264048=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x563acd73bee0), [])
   Call: (210) [system] _164838=['B']
   Exit: (210) [system] ['B']=['B']
^  Exit: (209) [user] read_list(')', (0x563acd73bee0), ['B'])
   Call: (209) [system] _4408=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
   Exit: (209) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
^  Exit: (208) [user] read_list(')', (0x563acd73bee0), [['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
   Call: (208) [system] _4400=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
   Exit: (208) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
^  Exit: (207) [user] read_list(')', (0x563acd73bee0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
^  Exit: (206) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
^  Call: (206) [user] read_list(')', (0x563acd73bee0), _299588)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _301446)
   Exit: (208) [system] peek_char((0x563acd73bee0), ')')
   Call: (208) [system] ')'=(;)
   Fail: (208) [system] ')'=(;)
   Call: (208) [system] ')'=(/)
   Fail: (208) [system] ')'=(/)
^  Call: (208) [user] is_like_space(')')
   Call: (209) [system] char_type(')', 'white')
   Fail: (209) [system] char_type(')', 'white')
   Call: (209) [system] char_type(')', end_of_line)
   Fail: (209) [system] char_type(')', end_of_line)
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] char_type(')', cntrl)
   Fail: (209) [system] char_type(')', cntrl)
^  Fail: (208) [user] is_like_space(')')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _317456)
   Exit: (207) [system] peek_char((0x563acd73bee0), ')')
   Call: (207) [system] ')'=')'
   Exit: (207) [system] ')'=')'
   Call: (207) [system] get_char((0x563acd73bee0), _321246)
   Exit: (207) [system] get_char((0x563acd73bee0), ')')
   Call: (207) [system] _299588=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_list(')', (0x563acd73bee0), [])
   Call: (206) [system] _4396=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (206) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (205) [user] read_list(')', (0x563acd73bee0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
   Call: (205) [system] _4354=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (205) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (204) [user] read_list(')', (0x563acd73bee0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
   Call: (204) [system] _4346=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (204) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (203) [user] read_list(')', (0x563acd73bee0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
^  Exit: (202) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
^  Call: (202) [user] read_list(')', (0x563acd73bee0), _335128)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _336986)
   Exit: (204) [system] peek_char((0x563acd73bee0), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
   Call: (204) [system] ')'=(/)
   Fail: (204) [system] ')'=(/)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _352996)
   Exit: (203) [system] peek_char((0x563acd73bee0), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x563acd73bee0), _356786)
   Exit: (203) [system] get_char((0x563acd73bee0), ')')
   Call: (203) [system] _335128=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x563acd73bee0), [])
   Call: (202) [system] _4342=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]]
   Exit: (202) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]]
^  Exit: (201) [user] read_list(')', (0x563acd73bee0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]])
   Call: (201) [system] _4300=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]]
   Exit: (201) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]]
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]])
   Call: (200) [system] _4292=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]]
   Exit: (200) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]]
^  Exit: (199) [user] read_list(')', (0x563acd73bee0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]])
^  Exit: (198) [user] cont_sexpr(')', (0x563acd73bee0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]])
^  Call: (198) [user] read_list(')', (0x563acd73bee0), _370668)
^  Call: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _372526)
   Exit: (200) [system] peek_char((0x563acd73bee0), '\n')
   Call: (200) [system] '\n'=(;)
   Fail: (200) [system] '\n'=(;)
   Call: (200) [system] '\n'=(/)
   Fail: (200) [system] '\n'=(/)
^  Call: (200) [user] is_like_space('\n')
   Call: (201) [system] char_type('\n', 'white')
   Fail: (201) [system] char_type('\n', 'white')
   Call: (201) [system] char_type('\n', end_of_line)
   Exit: (201) [system] char_type('\n', end_of_line)
^  Exit: (200) [user] is_like_space('\n')
   Call: (200) [system] get_char((0x563acd73bee0), _383976)
   Exit: (200) [system] get_char((0x563acd73bee0), '\n')
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _386680)
   Exit: (201) [system] peek_char((0x563acd73bee0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
   Call: (201) [system] ' '=(/)
   Fail: (201) [system] ' '=(/)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x563acd73bee0), _396274)
   Exit: (201) [system] get_char((0x563acd73bee0), ' ')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _398978)
   Exit: (202) [system] peek_char((0x563acd73bee0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
^  Exit: (199) [user] skip_spaces((0x563acd73bee0))
   Call: (199) [system] peek_char((0x563acd73bee0), _416836)
   Exit: (199) [system] peek_char((0x563acd73bee0), '(')
   Call: (199) [system] '('=')'
   Fail: (199) [system] '('=')'
   Call: (199) [system] '('=end_of_file
   Fail: (199) [system] '('=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x563acd73bee0), _422406)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _424264)
   Exit: (201) [system] peek_char((0x563acd73bee0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
   Call: (201) [system] '('=(/)
   Fail: (201) [system] '('=(/)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] get_char((0x563acd73bee0), _440274)
   Exit: (200) [system] get_char((0x563acd73bee0), '(')
   Call: (200) [system] '('='('
   Exit: (200) [system] '('='('
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _422406)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _445844)
   Exit: (202) [system] peek_char((0x563acd73bee0), :)
   Call: (202) [system] (:)=(;)
   Fail: (202) [system] (:)=(;)
   Call: (202) [system] (:)=(/)
   Fail: (202) [system] (:)=(/)
^  Call: (202) [user] is_like_space(:)
   Call: (203) [system] char_type(:, 'white')
   Fail: (203) [system] char_type(:, 'white')
   Call: (203) [system] char_type(:, end_of_line)
   Fail: (203) [system] char_type(:, end_of_line)
   Call: (203) [system] char_type(:, space)
   Fail: (203) [system] char_type(:, space)
   Call: (203) [system] char_type(:, cntrl)
   Fail: (203) [system] char_type(:, cntrl)
^  Fail: (202) [user] is_like_space(:)
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _461854)
   Exit: (201) [system] peek_char((0x563acd73bee0), :)
   Call: (201) [system] (:)=')'
   Fail: (201) [system] (:)=')'
   Call: (201) [system] (:)=end_of_file
   Fail: (201) [system] (:)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x563acd73bee0), _467424)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _469282)
   Exit: (203) [system] peek_char((0x563acd73bee0), :)
   Call: (203) [system] (:)=(;)
   Fail: (203) [system] (:)=(;)
   Call: (203) [system] (:)=(/)
   Fail: (203) [system] (:)=(/)
^  Call: (203) [user] is_like_space(:)
   Call: (204) [system] char_type(:, 'white')
   Fail: (204) [system] char_type(:, 'white')
   Call: (204) [system] char_type(:, end_of_line)
   Fail: (204) [system] char_type(:, end_of_line)
   Call: (204) [system] char_type(:, space)
   Fail: (204) [system] char_type(:, space)
   Call: (204) [system] char_type(:, cntrl)
   Fail: (204) [system] char_type(:, cntrl)
^  Fail: (203) [user] is_like_space(:)
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] get_char((0x563acd73bee0), _485292)
   Exit: (202) [system] get_char((0x563acd73bee0), :)
   Call: (202) [system] (:)='('
   Fail: (202) [system] (:)='('
   Call: (202) [system] (:)='['
   Fail: (202) [system] (:)='['
   Call: (202) [system] (:)='{'
   Fail: (202) [system] (:)='{'
   Call: (202) [system] (:)='"'
   Fail: (202) [system] (:)='"'
   Call: (202) [system] (:)=!
   Fail: (202) [system] (:)=!
   Call: (202) [system] (:)='\''
   Fail: (202) [system] (:)='\''
   Call: (202) [system] (:)='`'
   Fail: (202) [system] (:)='`'
   Call: (202) [system] (:)=end_of_file
   Fail: (202) [system] (:)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x563acd73bee0), :, _467424)
^  Call: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), _502934)
   Call: (204) [system] peek_char((0x563acd73bee0), _503868)
   Exit: (204) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _502934=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (203) [user] classify_and_convert_charseq([:], _467424)
^  Call: (204) [user] classify_and_convert_charseq_([:], _513152)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_514104, _514106), once(user:catch(read_from_chars([:], _513152), _514086, fail)), '$restore_trace'(_514104, _514106))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_514104, _514106))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _514086, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(:)
   Exit: (205) [system] atomic(:)
^  Exit: (204) [user] classify_and_convert_charseq_([:], :)
   Call: (204) [system] integer(:)
   Fail: (204) [system] integer(:)
   Call: (204) [system] _467424=(:)
   Exit: (204) [system] (:)=(:)
^  Exit: (203) [user] classify_and_convert_charseq([:], :)
^  Exit: (202) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (201) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (201) [user] read_list(')', (0x563acd73bee0), _526232)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _528090)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x563acd73bee0), _537684)
   Exit: (203) [system] get_char((0x563acd73bee0), ' ')
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _540388)
   Exit: (204) [system] peek_char((0x563acd73bee0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
   Call: (204) [system] '('=(/)
   Fail: (204) [system] '('=(/)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _557322)
   Exit: (202) [system] peek_char((0x563acd73bee0), '(')
   Call: (202) [system] '('=')'
   Fail: (202) [system] '('=')'
   Call: (202) [system] '('=end_of_file
   Fail: (202) [system] '('=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x563acd73bee0), _562892)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _564750)
   Exit: (204) [system] peek_char((0x563acd73bee0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
   Call: (204) [system] '('=(/)
   Fail: (204) [system] '('=(/)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] get_char((0x563acd73bee0), _580760)
   Exit: (203) [system] get_char((0x563acd73bee0), '(')
   Call: (203) [system] '('='('
   Exit: (203) [system] '('='('
^  Call: (203) [user] read_list(')', (0x563acd73bee0), _562892)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _586330)
   Exit: (205) [system] peek_char((0x563acd73bee0), 'D')
   Call: (205) [system] 'D'=(;)
   Fail: (205) [system] 'D'=(;)
   Call: (205) [system] 'D'=(/)
   Fail: (205) [system] 'D'=(/)
^  Call: (205) [user] is_like_space('D')
   Call: (206) [system] char_type('D', 'white')
   Fail: (206) [system] char_type('D', 'white')
   Call: (206) [system] char_type('D', end_of_line)
   Fail: (206) [system] char_type('D', end_of_line)
   Call: (206) [system] char_type('D', space)
   Fail: (206) [system] char_type('D', space)
   Call: (206) [system] char_type('D', cntrl)
   Fail: (206) [system] char_type('D', cntrl)
^  Fail: (205) [user] is_like_space('D')
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _602340)
   Exit: (204) [system] peek_char((0x563acd73bee0), 'D')
   Call: (204) [system] 'D'=')'
   Fail: (204) [system] 'D'=')'
   Call: (204) [system] 'D'=end_of_file
   Fail: (204) [system] 'D'=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x563acd73bee0), _607910)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _609768)
   Exit: (206) [system] peek_char((0x563acd73bee0), 'D')
   Call: (206) [system] 'D'=(;)
   Fail: (206) [system] 'D'=(;)
   Call: (206) [system] 'D'=(/)
   Fail: (206) [system] 'D'=(/)
^  Call: (206) [user] is_like_space('D')
   Call: (207) [system] char_type('D', 'white')
   Fail: (207) [system] char_type('D', 'white')
   Call: (207) [system] char_type('D', end_of_line)
   Fail: (207) [system] char_type('D', end_of_line)
   Call: (207) [system] char_type('D', space)
   Fail: (207) [system] char_type('D', space)
   Call: (207) [system] char_type('D', cntrl)
   Fail: (207) [system] char_type('D', cntrl)
^  Fail: (206) [user] is_like_space('D')
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] get_char((0x563acd73bee0), _625778)
   Exit: (205) [system] get_char((0x563acd73bee0), 'D')
   Call: (205) [system] 'D'='('
   Fail: (205) [system] 'D'='('
   Call: (205) [system] 'D'='['
   Fail: (205) [system] 'D'='['
   Call: (205) [system] 'D'='{'
   Fail: (205) [system] 'D'='{'
   Call: (205) [system] 'D'='"'
   Fail: (205) [system] 'D'='"'
   Call: (205) [system] 'D'=!
   Fail: (205) [system] 'D'=!
   Call: (205) [system] 'D'='\''
   Fail: (205) [system] 'D'='\''
   Call: (205) [system] 'D'='`'
   Fail: (205) [system] 'D'='`'
   Call: (205) [system] 'D'=end_of_file
   Fail: (205) [system] 'D'=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x563acd73bee0), 'D', _607910)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _643420)
   Call: (207) [system] peek_char((0x563acd73bee0), _644354)
   Exit: (207) [system] peek_char((0x563acd73bee0), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Fail: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_649074, v('(', ')', end_of_file), i)
   Fail: (208) [system] arg(_650006, v('(', ')', end_of_file), i)
^  Fail: (207) [user] is_delimiter(i)
   Call: (207) [system] ')'==i
   Fail: (207) [system] ')'==i
   Call: (207) [system] get_char((0x563acd73bee0), i)
   Exit: (207) [system] get_char((0x563acd73bee0), i)
   Call: (207) [system] i=(\)
   Fail: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _657356)
   Call: (208) [system] peek_char((0x563acd73bee0), _658290)
   Exit: (208) [system] peek_char((0x563acd73bee0), s)
^  Call: (208) [user] is_delimiter(s)
   Call: (209) [system] char_type(s, space)
   Fail: (209) [system] char_type(s, space)
   Call: (209) [system] arg(_663010, v('(', ')', end_of_file), s)
   Fail: (209) [system] arg(_663942, v('(', ')', end_of_file), s)
^  Fail: (208) [user] is_delimiter(s)
   Call: (208) [system] ')'==s
   Fail: (208) [system] ')'==s
   Call: (208) [system] get_char((0x563acd73bee0), s)
   Exit: (208) [system] get_char((0x563acd73bee0), s)
   Call: (208) [system] s=(\)
   Fail: (208) [system] s=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _671292)
   Call: (209) [system] peek_char((0x563acd73bee0), _672226)
   Exit: (209) [system] peek_char((0x563acd73bee0), j)
^  Call: (209) [user] is_delimiter(j)
   Call: (210) [system] char_type(j, space)
   Fail: (210) [system] char_type(j, space)
   Call: (210) [system] arg(_676946, v('(', ')', end_of_file), j)
   Fail: (210) [system] arg(_677878, v('(', ')', end_of_file), j)
^  Fail: (209) [user] is_delimiter(j)
   Call: (209) [system] ')'==j
   Fail: (209) [system] ')'==j
   Call: (209) [system] get_char((0x563acd73bee0), j)
   Exit: (209) [system] get_char((0x563acd73bee0), j)
   Call: (209) [system] j=(\)
   Fail: (209) [system] j=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _685228)
   Call: (210) [system] peek_char((0x563acd73bee0), _686162)
   Exit: (210) [system] peek_char((0x563acd73bee0), u)
^  Call: (210) [user] is_delimiter(u)
   Call: (211) [system] char_type(u, space)
   Fail: (211) [system] char_type(u, space)
   Call: (211) [system] arg(_690882, v('(', ')', end_of_file), u)
   Fail: (211) [system] arg(_691814, v('(', ')', end_of_file), u)
^  Fail: (210) [user] is_delimiter(u)
   Call: (210) [system] ')'==u
   Fail: (210) [system] ')'==u
   Call: (210) [system] get_char((0x563acd73bee0), u)
   Exit: (210) [system] get_char((0x563acd73bee0), u)
   Call: (210) [system] u=(\)
   Fail: (210) [system] u=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _699164)
   Call: (211) [system] peek_char((0x563acd73bee0), _700098)
   Exit: (211) [system] peek_char((0x563acd73bee0), n)
^  Call: (211) [user] is_delimiter(n)
   Call: (212) [system] char_type(n, space)
   Fail: (212) [system] char_type(n, space)
   Call: (212) [system] arg(_704818, v('(', ')', end_of_file), n)
   Fail: (212) [system] arg(_705750, v('(', ')', end_of_file), n)
^  Fail: (211) [user] is_delimiter(n)
   Call: (211) [system] ')'==n
   Fail: (211) [system] ')'==n
   Call: (211) [system] get_char((0x563acd73bee0), n)
   Exit: (211) [system] get_char((0x563acd73bee0), n)
   Call: (211) [system] n=(\)
   Fail: (211) [system] n=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _713100)
   Call: (212) [system] peek_char((0x563acd73bee0), _714034)
   Exit: (212) [system] peek_char((0x563acd73bee0), c)
^  Call: (212) [user] is_delimiter(c)
   Call: (213) [system] char_type(c, space)
   Fail: (213) [system] char_type(c, space)
   Call: (213) [system] arg(_718754, v('(', ')', end_of_file), c)
   Fail: (213) [system] arg(_719686, v('(', ')', end_of_file), c)
^  Fail: (212) [user] is_delimiter(c)
   Call: (212) [system] ')'==c
   Fail: (212) [system] ')'==c
   Call: (212) [system] get_char((0x563acd73bee0), c)
   Exit: (212) [system] get_char((0x563acd73bee0), c)
   Call: (212) [system] c=(\)
   Fail: (212) [system] c=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _727036)
   Call: (213) [system] peek_char((0x563acd73bee0), _727970)
   Exit: (213) [system] peek_char((0x563acd73bee0), t)
^  Call: (213) [user] is_delimiter(t)
   Call: (214) [system] char_type(t, space)
   Fail: (214) [system] char_type(t, space)
   Call: (214) [system] arg(_732690, v('(', ')', end_of_file), t)
   Fail: (214) [system] arg(_733622, v('(', ')', end_of_file), t)
^  Fail: (213) [user] is_delimiter(t)
   Call: (213) [system] ')'==t
   Fail: (213) [system] ')'==t
   Call: (213) [system] get_char((0x563acd73bee0), t)
   Exit: (213) [system] get_char((0x563acd73bee0), t)
   Call: (213) [system] t=(\)
   Fail: (213) [system] t=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _740972)
   Call: (214) [system] peek_char((0x563acd73bee0), _741906)
   Exit: (214) [system] peek_char((0x563acd73bee0), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Fail: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_746626, v('(', ')', end_of_file), i)
   Fail: (215) [system] arg(_747558, v('(', ')', end_of_file), i)
^  Fail: (214) [user] is_delimiter(i)
   Call: (214) [system] ')'==i
   Fail: (214) [system] ')'==i
   Call: (214) [system] get_char((0x563acd73bee0), i)
   Exit: (214) [system] get_char((0x563acd73bee0), i)
   Call: (214) [system] i=(\)
   Fail: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _754908)
   Call: (215) [system] peek_char((0x563acd73bee0), _755842)
   Exit: (215) [system] peek_char((0x563acd73bee0), o)
^  Call: (215) [user] is_delimiter(o)
   Call: (216) [system] char_type(o, space)
   Fail: (216) [system] char_type(o, space)
   Call: (216) [system] arg(_760562, v('(', ')', end_of_file), o)
   Fail: (216) [system] arg(_761494, v('(', ')', end_of_file), o)
^  Fail: (215) [user] is_delimiter(o)
   Call: (215) [system] ')'==o
   Fail: (215) [system] ')'==o
   Call: (215) [system] get_char((0x563acd73bee0), o)
   Exit: (215) [system] get_char((0x563acd73bee0), o)
   Call: (215) [system] o=(\)
   Fail: (215) [system] o=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _768844)
   Call: (216) [system] peek_char((0x563acd73bee0), _769778)
   Exit: (216) [system] peek_char((0x563acd73bee0), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_774498, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_775430, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x563acd73bee0), n)
   Exit: (216) [system] get_char((0x563acd73bee0), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _782780)
   Call: (217) [system] peek_char((0x563acd73bee0), _783714)
   Exit: (217) [system] peek_char((0x563acd73bee0), 'I')
^  Call: (217) [user] is_delimiter('I')
   Call: (218) [system] char_type('I', space)
   Fail: (218) [system] char_type('I', space)
   Call: (218) [system] arg(_788434, v('(', ')', end_of_file), 'I')
   Fail: (218) [system] arg(_789366, v('(', ')', end_of_file), 'I')
^  Fail: (217) [user] is_delimiter('I')
   Call: (217) [system] ')'=='I'
   Fail: (217) [system] ')'=='I'
   Call: (217) [system] get_char((0x563acd73bee0), 'I')
   Exit: (217) [system] get_char((0x563acd73bee0), 'I')
   Call: (217) [system] 'I'=(\)
   Fail: (217) [system] 'I'=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _796716)
   Call: (218) [system] peek_char((0x563acd73bee0), _797650)
   Exit: (218) [system] peek_char((0x563acd73bee0), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_802370, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_803302, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x563acd73bee0), n)
   Exit: (218) [system] get_char((0x563acd73bee0), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _810652)
   Call: (219) [system] peek_char((0x563acd73bee0), _811586)
   Exit: (219) [system] peek_char((0x563acd73bee0), t)
^  Call: (219) [user] is_delimiter(t)
   Call: (220) [system] char_type(t, space)
   Fail: (220) [system] char_type(t, space)
   Call: (220) [system] arg(_816306, v('(', ')', end_of_file), t)
   Fail: (220) [system] arg(_817238, v('(', ')', end_of_file), t)
^  Fail: (219) [user] is_delimiter(t)
   Call: (219) [system] ')'==t
   Fail: (219) [system] ')'==t
   Call: (219) [system] get_char((0x563acd73bee0), t)
   Exit: (219) [system] get_char((0x563acd73bee0), t)
   Call: (219) [system] t=(\)
   Fail: (219) [system] t=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _824588)
   Call: (220) [system] peek_char((0x563acd73bee0), _825522)
   Exit: (220) [system] peek_char((0x563acd73bee0), r)
^  Call: (220) [user] is_delimiter(r)
   Call: (221) [system] char_type(r, space)
   Fail: (221) [system] char_type(r, space)
   Call: (221) [system] arg(_830242, v('(', ')', end_of_file), r)
   Fail: (221) [system] arg(_831174, v('(', ')', end_of_file), r)
^  Fail: (220) [user] is_delimiter(r)
   Call: (220) [system] ')'==r
   Fail: (220) [system] ')'==r
   Call: (220) [system] get_char((0x563acd73bee0), r)
   Exit: (220) [system] get_char((0x563acd73bee0), r)
   Call: (220) [system] r=(\)
   Fail: (220) [system] r=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _838524)
   Call: (221) [system] peek_char((0x563acd73bee0), _839458)
   Exit: (221) [system] peek_char((0x563acd73bee0), o)
^  Call: (221) [user] is_delimiter(o)
   Call: (222) [system] char_type(o, space)
   Fail: (222) [system] char_type(o, space)
   Call: (222) [system] arg(_844178, v('(', ')', end_of_file), o)
   Fail: (222) [system] arg(_845110, v('(', ')', end_of_file), o)
^  Fail: (221) [user] is_delimiter(o)
   Call: (221) [system] ')'==o
   Fail: (221) [system] ')'==o
   Call: (221) [system] get_char((0x563acd73bee0), o)
   Exit: (221) [system] get_char((0x563acd73bee0), o)
   Call: (221) [system] o=(\)
   Fail: (221) [system] o=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _852460)
   Call: (222) [system] peek_char((0x563acd73bee0), _853394)
   Exit: (222) [system] peek_char((0x563acd73bee0), d)
^  Call: (222) [user] is_delimiter(d)
   Call: (223) [system] char_type(d, space)
   Fail: (223) [system] char_type(d, space)
   Call: (223) [system] arg(_858114, v('(', ')', end_of_file), d)
   Fail: (223) [system] arg(_859046, v('(', ')', end_of_file), d)
^  Fail: (222) [user] is_delimiter(d)
   Call: (222) [system] ')'==d
   Fail: (222) [system] ')'==d
   Call: (222) [system] get_char((0x563acd73bee0), d)
   Exit: (222) [system] get_char((0x563acd73bee0), d)
   Call: (222) [system] d=(\)
   Fail: (222) [system] d=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _866396)
   Call: (223) [system] peek_char((0x563acd73bee0), _867330)
   Exit: (223) [system] peek_char((0x563acd73bee0), u)
^  Call: (223) [user] is_delimiter(u)
   Call: (224) [system] char_type(u, space)
   Fail: (224) [system] char_type(u, space)
   Call: (224) [system] arg(_872050, v('(', ')', end_of_file), u)
   Fail: (224) [system] arg(_872982, v('(', ')', end_of_file), u)
^  Fail: (223) [user] is_delimiter(u)
   Call: (223) [system] ')'==u
   Fail: (223) [system] ')'==u
   Call: (223) [system] get_char((0x563acd73bee0), u)
   Exit: (223) [system] get_char((0x563acd73bee0), u)
   Call: (223) [system] u=(\)
   Fail: (223) [system] u=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _880332)
   Call: (224) [system] peek_char((0x563acd73bee0), _881266)
   Exit: (224) [system] peek_char((0x563acd73bee0), c)
^  Call: (224) [user] is_delimiter(c)
   Call: (225) [system] char_type(c, space)
   Fail: (225) [system] char_type(c, space)
   Call: (225) [system] arg(_885986, v('(', ')', end_of_file), c)
   Fail: (225) [system] arg(_886918, v('(', ')', end_of_file), c)
^  Fail: (224) [user] is_delimiter(c)
   Call: (224) [system] ')'==c
   Fail: (224) [system] ')'==c
   Call: (224) [system] get_char((0x563acd73bee0), c)
   Exit: (224) [system] get_char((0x563acd73bee0), c)
   Call: (224) [system] c=(\)
   Fail: (224) [system] c=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _894268)
   Call: (225) [system] peek_char((0x563acd73bee0), _895202)
   Exit: (225) [system] peek_char((0x563acd73bee0), t)
^  Call: (225) [user] is_delimiter(t)
   Call: (226) [system] char_type(t, space)
   Fail: (226) [system] char_type(t, space)
   Call: (226) [system] arg(_899922, v('(', ')', end_of_file), t)
   Fail: (226) [system] arg(_900854, v('(', ')', end_of_file), t)
^  Fail: (225) [user] is_delimiter(t)
   Call: (225) [system] ')'==t
   Fail: (225) [system] ')'==t
   Call: (225) [system] get_char((0x563acd73bee0), t)
   Exit: (225) [system] get_char((0x563acd73bee0), t)
   Call: (225) [system] t=(\)
   Fail: (225) [system] t=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _908204)
   Call: (226) [system] peek_char((0x563acd73bee0), _909138)
   Exit: (226) [system] peek_char((0x563acd73bee0), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Fail: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_913858, v('(', ')', end_of_file), i)
   Fail: (227) [system] arg(_914790, v('(', ')', end_of_file), i)
^  Fail: (226) [user] is_delimiter(i)
   Call: (226) [system] ')'==i
   Fail: (226) [system] ')'==i
   Call: (226) [system] get_char((0x563acd73bee0), i)
   Exit: (226) [system] get_char((0x563acd73bee0), i)
   Call: (226) [system] i=(\)
   Fail: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _922140)
   Call: (227) [system] peek_char((0x563acd73bee0), _923074)
   Exit: (227) [system] peek_char((0x563acd73bee0), o)
^  Call: (227) [user] is_delimiter(o)
   Call: (228) [system] char_type(o, space)
   Fail: (228) [system] char_type(o, space)
   Call: (228) [system] arg(_927794, v('(', ')', end_of_file), o)
   Fail: (228) [system] arg(_928726, v('(', ')', end_of_file), o)
^  Fail: (227) [user] is_delimiter(o)
   Call: (227) [system] ')'==o
   Fail: (227) [system] ')'==o
   Call: (227) [system] get_char((0x563acd73bee0), o)
   Exit: (227) [system] get_char((0x563acd73bee0), o)
   Call: (227) [system] o=(\)
   Fail: (227) [system] o=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _936076)
   Call: (228) [system] peek_char((0x563acd73bee0), _937010)
   Exit: (228) [system] peek_char((0x563acd73bee0), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_941730, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_942662, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x563acd73bee0), n)
   Exit: (228) [system] get_char((0x563acd73bee0), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _950012)
   Call: (229) [system] peek_char((0x563acd73bee0), _950946)
   Exit: (229) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _950012=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (228) [system] _936076=[n]
   Exit: (228) [system] [n]=[n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (227) [system] _922140=[o, n]
   Exit: (227) [system] [o, n]=[o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (226) [system] _908204=[i, o, n]
   Exit: (226) [system] [i, o, n]=[i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (225) [system] _894268=[t, i, o, n]
   Exit: (225) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (224) [system] _880332=[c, t, i, o, n]
   Exit: (224) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n])
   Call: (223) [system] _866396=[u, c, t, i, o, n]
   Exit: (223) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, i, o, n])
   Call: (222) [system] _852460=[d, u, c, t, i, o, n]
   Exit: (222) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, u, c, t, i, o, n])
   Call: (221) [system] _838524=[o, d, u, c, t, i, o, n]
   Exit: (221) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, d, u, c, t, i, o, n])
   Call: (220) [system] _824588=[r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _810652=[t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _796716=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _782780=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _768844=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _754908=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _740972=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _727036=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _713100=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _699164=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _685228=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _671292=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _657356=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (207) [system] _643420=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (207) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (206) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _607910)
^  Call: (207) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1021698)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_1022650, _1022652), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1021698), _1022632, fail)), '$restore_trace'(_1022650, _1022652))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_1022650, _1022652))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1021698), _1022632, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(_1021698)
   Fail: (208) [system] atomic(_1021698)
   Call: (208) [system] atom_chars(_1021698, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (208) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (207) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (207) [system] integer('DisjunctionIntroduction')
   Fail: (207) [system] integer('DisjunctionIntroduction')
   Call: (207) [system] _607910='DisjunctionIntroduction'
   Exit: (207) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (206) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (205) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'DisjunctionIntroduction')
^  Exit: (204) [user] cont_sexpr(')', (0x563acd73bee0), 'DisjunctionIntroduction')
^  Call: (204) [user] read_list(')', (0x563acd73bee0), _1036648)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1038506)
   Exit: (206) [system] peek_char((0x563acd73bee0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
   Call: (206) [system] ' '=(/)
   Fail: (206) [system] ' '=(/)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x563acd73bee0), _1048100)
   Exit: (206) [system] get_char((0x563acd73bee0), ' ')
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1050804)
   Exit: (207) [system] peek_char((0x563acd73bee0), a)
   Call: (207) [system] a=(;)
   Fail: (207) [system] a=(;)
   Call: (207) [system] a=(/)
   Fail: (207) [system] a=(/)
^  Call: (207) [user] is_like_space(a)
   Call: (208) [system] char_type(a, 'white')
   Fail: (208) [system] char_type(a, 'white')
   Call: (208) [system] char_type(a, end_of_line)
   Fail: (208) [system] char_type(a, end_of_line)
   Call: (208) [system] char_type(a, space)
   Fail: (208) [system] char_type(a, space)
   Call: (208) [system] char_type(a, cntrl)
   Fail: (208) [system] char_type(a, cntrl)
^  Fail: (207) [user] is_like_space(a)
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1067738)
   Exit: (205) [system] peek_char((0x563acd73bee0), a)
   Call: (205) [system] a=')'
   Fail: (205) [system] a=')'
   Call: (205) [system] a=end_of_file
   Fail: (205) [system] a=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x563acd73bee0), _1073308)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1075166)
   Exit: (207) [system] peek_char((0x563acd73bee0), a)
   Call: (207) [system] a=(;)
   Fail: (207) [system] a=(;)
   Call: (207) [system] a=(/)
   Fail: (207) [system] a=(/)
^  Call: (207) [user] is_like_space(a)
   Call: (208) [system] char_type(a, 'white')
   Fail: (208) [system] char_type(a, 'white')
   Call: (208) [system] char_type(a, end_of_line)
   Fail: (208) [system] char_type(a, end_of_line)
   Call: (208) [system] char_type(a, space)
   Fail: (208) [system] char_type(a, space)
   Call: (208) [system] char_type(a, cntrl)
   Fail: (208) [system] char_type(a, cntrl)
^  Fail: (207) [user] is_like_space(a)
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] get_char((0x563acd73bee0), _1091176)
   Exit: (206) [system] get_char((0x563acd73bee0), a)
   Call: (206) [system] a='('
   Fail: (206) [system] a='('
   Call: (206) [system] a='['
   Fail: (206) [system] a='['
   Call: (206) [system] a='{'
   Fail: (206) [system] a='{'
   Call: (206) [system] a='"'
   Fail: (206) [system] a='"'
   Call: (206) [system] a=!
   Fail: (206) [system] a=!
   Call: (206) [system] a='\''
   Fail: (206) [system] a='\''
   Call: (206) [system] a='`'
   Fail: (206) [system] a='`'
   Call: (206) [system] a=end_of_file
   Fail: (206) [system] a=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x563acd73bee0), a, _1073308)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1108818)
   Call: (208) [system] peek_char((0x563acd73bee0), _1109752)
   Exit: (208) [system] peek_char((0x563acd73bee0), b)
^  Call: (208) [user] is_delimiter(b)
   Call: (209) [system] char_type(b, space)
   Fail: (209) [system] char_type(b, space)
   Call: (209) [system] arg(_1114472, v('(', ')', end_of_file), b)
   Fail: (209) [system] arg(_1115404, v('(', ')', end_of_file), b)
^  Fail: (208) [user] is_delimiter(b)
   Call: (208) [system] ')'==b
   Fail: (208) [system] ')'==b
   Call: (208) [system] get_char((0x563acd73bee0), b)
   Exit: (208) [system] get_char((0x563acd73bee0), b)
   Call: (208) [system] b=(\)
   Fail: (208) [system] b=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1122754)
   Call: (209) [system] peek_char((0x563acd73bee0), _1123688)
   Exit: (209) [system] peek_char((0x563acd73bee0), c)
^  Call: (209) [user] is_delimiter(c)
   Call: (210) [system] char_type(c, space)
   Fail: (210) [system] char_type(c, space)
   Call: (210) [system] arg(_1128408, v('(', ')', end_of_file), c)
   Fail: (210) [system] arg(_1129340, v('(', ')', end_of_file), c)
^  Fail: (209) [user] is_delimiter(c)
   Call: (209) [system] ')'==c
   Fail: (209) [system] ')'==c
   Call: (209) [system] get_char((0x563acd73bee0), c)
   Exit: (209) [system] get_char((0x563acd73bee0), c)
   Call: (209) [system] c=(\)
   Fail: (209) [system] c=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1136690)
   Call: (210) [system] peek_char((0x563acd73bee0), _1137624)
   Exit: (210) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1136690=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (209) [system] _1122754=[c]
   Exit: (209) [system] [c]=[c]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [c])
   Call: (208) [system] _1108818=[b, c]
   Exit: (208) [system] [b, c]=[b, c]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [b, c])
^  Call: (207) [user] classify_and_convert_charseq([a, b, c], _1073308)
^  Call: (208) [user] classify_and_convert_charseq_([a, b, c], _1152496)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_1153448, _1153450), once(user:catch(read_from_chars([a, b, c], _1152496), _1153430, fail)), '$restore_trace'(_1153448, _1153450))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_1153448, _1153450))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1153430, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(abc)
   Exit: (209) [system] atomic(abc)
^  Exit: (208) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (208) [system] integer(abc)
   Fail: (208) [system] integer(abc)
   Call: (208) [system] _1073308=abc
   Exit: (208) [system] abc=abc
^  Exit: (207) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (206) [user] read_symbolic(')', (0x563acd73bee0), a, abc)
^  Exit: (205) [user] cont_sexpr(')', (0x563acd73bee0), abc)
^  Call: (205) [user] read_list(')', (0x563acd73bee0), _1165576)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1167434)
   Exit: (207) [system] peek_char((0x563acd73bee0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
   Call: (207) [system] ' '=(/)
   Fail: (207) [system] ' '=(/)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x563acd73bee0), _1177028)
   Exit: (207) [system] get_char((0x563acd73bee0), ' ')
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1179732)
   Exit: (208) [system] peek_char((0x563acd73bee0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1196666)
   Exit: (206) [system] peek_char((0x563acd73bee0), '(')
   Call: (206) [system] '('=')'
   Fail: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
   Fail: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x563acd73bee0), _1202236)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1204094)
   Exit: (208) [system] peek_char((0x563acd73bee0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] get_char((0x563acd73bee0), _1220104)
   Exit: (207) [system] get_char((0x563acd73bee0), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x563acd73bee0), _1202236)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1225674)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'D')
   Call: (209) [system] 'D'=(;)
   Fail: (209) [system] 'D'=(;)
   Call: (209) [system] 'D'=(/)
   Fail: (209) [system] 'D'=(/)
^  Call: (209) [user] is_like_space('D')
   Call: (210) [system] char_type('D', 'white')
   Fail: (210) [system] char_type('D', 'white')
   Call: (210) [system] char_type('D', end_of_line)
   Fail: (210) [system] char_type('D', end_of_line)
   Call: (210) [system] char_type('D', space)
   Fail: (210) [system] char_type('D', space)
   Call: (210) [system] char_type('D', cntrl)
   Fail: (210) [system] char_type('D', cntrl)
^  Fail: (209) [user] is_like_space('D')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1241684)
   Exit: (208) [system] peek_char((0x563acd73bee0), 'D')
   Call: (208) [system] 'D'=')'
   Fail: (208) [system] 'D'=')'
   Call: (208) [system] 'D'=end_of_file
   Fail: (208) [system] 'D'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x563acd73bee0), _1247254)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1249112)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'D')
   Call: (210) [system] 'D'=(;)
   Fail: (210) [system] 'D'=(;)
   Call: (210) [system] 'D'=(/)
   Fail: (210) [system] 'D'=(/)
^  Call: (210) [user] is_like_space('D')
   Call: (211) [system] char_type('D', 'white')
   Fail: (211) [system] char_type('D', 'white')
   Call: (211) [system] char_type('D', end_of_line)
   Fail: (211) [system] char_type('D', end_of_line)
   Call: (211) [system] char_type('D', space)
   Fail: (211) [system] char_type('D', space)
   Call: (211) [system] char_type('D', cntrl)
   Fail: (211) [system] char_type('D', cntrl)
^  Fail: (210) [user] is_like_space('D')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] get_char((0x563acd73bee0), _1265122)
   Exit: (209) [system] get_char((0x563acd73bee0), 'D')
   Call: (209) [system] 'D'='('
   Fail: (209) [system] 'D'='('
   Call: (209) [system] 'D'='['
   Fail: (209) [system] 'D'='['
   Call: (209) [system] 'D'='{'
   Fail: (209) [system] 'D'='{'
   Call: (209) [system] 'D'='"'
   Fail: (209) [system] 'D'='"'
   Call: (209) [system] 'D'=!
   Fail: (209) [system] 'D'=!
   Call: (209) [system] 'D'='\''
   Fail: (209) [system] 'D'='\''
   Call: (209) [system] 'D'='`'
   Fail: (209) [system] 'D'='`'
   Call: (209) [system] 'D'=end_of_file
   Fail: (209) [system] 'D'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x563acd73bee0), 'D', _1247254)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1282764)
   Call: (211) [system] peek_char((0x563acd73bee0), _1283698)
   Exit: (211) [system] peek_char((0x563acd73bee0), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Fail: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_1288418, v('(', ')', end_of_file), i)
   Fail: (212) [system] arg(_1289350, v('(', ')', end_of_file), i)
^  Fail: (211) [user] is_delimiter(i)
   Call: (211) [system] ')'==i
   Fail: (211) [system] ')'==i
   Call: (211) [system] get_char((0x563acd73bee0), i)
   Exit: (211) [system] get_char((0x563acd73bee0), i)
   Call: (211) [system] i=(\)
   Fail: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1296700)
   Call: (212) [system] peek_char((0x563acd73bee0), _1297634)
   Exit: (212) [system] peek_char((0x563acd73bee0), s)
^  Call: (212) [user] is_delimiter(s)
   Call: (213) [system] char_type(s, space)
   Fail: (213) [system] char_type(s, space)
   Call: (213) [system] arg(_1302354, v('(', ')', end_of_file), s)
   Fail: (213) [system] arg(_1303286, v('(', ')', end_of_file), s)
^  Fail: (212) [user] is_delimiter(s)
   Call: (212) [system] ')'==s
   Fail: (212) [system] ')'==s
   Call: (212) [system] get_char((0x563acd73bee0), s)
   Exit: (212) [system] get_char((0x563acd73bee0), s)
   Call: (212) [system] s=(\)
   Fail: (212) [system] s=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _1310636)
   Call: (213) [system] peek_char((0x563acd73bee0), _1311570)
   Exit: (213) [system] peek_char((0x563acd73bee0), j)
^  Call: (213) [user] is_delimiter(j)
   Call: (214) [system] char_type(j, space)
   Fail: (214) [system] char_type(j, space)
   Call: (214) [system] arg(_1316290, v('(', ')', end_of_file), j)
   Fail: (214) [system] arg(_1317222, v('(', ')', end_of_file), j)
^  Fail: (213) [user] is_delimiter(j)
   Call: (213) [system] ')'==j
   Fail: (213) [system] ')'==j
   Call: (213) [system] get_char((0x563acd73bee0), j)
   Exit: (213) [system] get_char((0x563acd73bee0), j)
   Call: (213) [system] j=(\)
   Fail: (213) [system] j=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _1324572)
   Call: (214) [system] peek_char((0x563acd73bee0), _1325506)
   Exit: (214) [system] peek_char((0x563acd73bee0), u)
^  Call: (214) [user] is_delimiter(u)
   Call: (215) [system] char_type(u, space)
   Fail: (215) [system] char_type(u, space)
   Call: (215) [system] arg(_1330226, v('(', ')', end_of_file), u)
   Fail: (215) [system] arg(_1331158, v('(', ')', end_of_file), u)
^  Fail: (214) [user] is_delimiter(u)
   Call: (214) [system] ')'==u
   Fail: (214) [system] ')'==u
   Call: (214) [system] get_char((0x563acd73bee0), u)
   Exit: (214) [system] get_char((0x563acd73bee0), u)
   Call: (214) [system] u=(\)
   Fail: (214) [system] u=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _1338508)
   Call: (215) [system] peek_char((0x563acd73bee0), _1339442)
   Exit: (215) [system] peek_char((0x563acd73bee0), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_1344162, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_1345094, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x563acd73bee0), n)
   Exit: (215) [system] get_char((0x563acd73bee0), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _1352444)
   Call: (216) [system] peek_char((0x563acd73bee0), _1353378)
   Exit: (216) [system] peek_char((0x563acd73bee0), c)
^  Call: (216) [user] is_delimiter(c)
   Call: (217) [system] char_type(c, space)
   Fail: (217) [system] char_type(c, space)
   Call: (217) [system] arg(_1358098, v('(', ')', end_of_file), c)
   Fail: (217) [system] arg(_1359030, v('(', ')', end_of_file), c)
^  Fail: (216) [user] is_delimiter(c)
   Call: (216) [system] ')'==c
   Fail: (216) [system] ')'==c
   Call: (216) [system] get_char((0x563acd73bee0), c)
   Exit: (216) [system] get_char((0x563acd73bee0), c)
   Call: (216) [system] c=(\)
   Fail: (216) [system] c=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _1366380)
   Call: (217) [system] peek_char((0x563acd73bee0), _1367314)
   Exit: (217) [system] peek_char((0x563acd73bee0), t)
^  Call: (217) [user] is_delimiter(t)
   Call: (218) [system] char_type(t, space)
   Fail: (218) [system] char_type(t, space)
   Call: (218) [system] arg(_1372034, v('(', ')', end_of_file), t)
   Fail: (218) [system] arg(_1372966, v('(', ')', end_of_file), t)
^  Fail: (217) [user] is_delimiter(t)
   Call: (217) [system] ')'==t
   Fail: (217) [system] ')'==t
   Call: (217) [system] get_char((0x563acd73bee0), t)
   Exit: (217) [system] get_char((0x563acd73bee0), t)
   Call: (217) [system] t=(\)
   Fail: (217) [system] t=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _1380316)
   Call: (218) [system] peek_char((0x563acd73bee0), _1381250)
   Exit: (218) [system] peek_char((0x563acd73bee0), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Fail: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_1385970, v('(', ')', end_of_file), i)
   Fail: (219) [system] arg(_1386902, v('(', ')', end_of_file), i)
^  Fail: (218) [user] is_delimiter(i)
   Call: (218) [system] ')'==i
   Fail: (218) [system] ')'==i
   Call: (218) [system] get_char((0x563acd73bee0), i)
   Exit: (218) [system] get_char((0x563acd73bee0), i)
   Call: (218) [system] i=(\)
   Fail: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _1394252)
   Call: (219) [system] peek_char((0x563acd73bee0), _1395186)
   Exit: (219) [system] peek_char((0x563acd73bee0), o)
^  Call: (219) [user] is_delimiter(o)
   Call: (220) [system] char_type(o, space)
   Fail: (220) [system] char_type(o, space)
   Call: (220) [system] arg(_1399906, v('(', ')', end_of_file), o)
   Fail: (220) [system] arg(_1400838, v('(', ')', end_of_file), o)
^  Fail: (219) [user] is_delimiter(o)
   Call: (219) [system] ')'==o
   Fail: (219) [system] ')'==o
   Call: (219) [system] get_char((0x563acd73bee0), o)
   Exit: (219) [system] get_char((0x563acd73bee0), o)
   Call: (219) [system] o=(\)
   Fail: (219) [system] o=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _1408188)
   Call: (220) [system] peek_char((0x563acd73bee0), _1409122)
   Exit: (220) [system] peek_char((0x563acd73bee0), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_1413842, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_1414774, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x563acd73bee0), n)
   Exit: (220) [system] get_char((0x563acd73bee0), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _1422124)
   Call: (221) [system] peek_char((0x563acd73bee0), _1423058)
   Exit: (221) [system] peek_char((0x563acd73bee0), 'I')
^  Call: (221) [user] is_delimiter('I')
   Call: (222) [system] char_type('I', space)
   Fail: (222) [system] char_type('I', space)
   Call: (222) [system] arg(_1427778, v('(', ')', end_of_file), 'I')
   Fail: (222) [system] arg(_1428710, v('(', ')', end_of_file), 'I')
^  Fail: (221) [user] is_delimiter('I')
   Call: (221) [system] ')'=='I'
   Fail: (221) [system] ')'=='I'
   Call: (221) [system] get_char((0x563acd73bee0), 'I')
   Exit: (221) [system] get_char((0x563acd73bee0), 'I')
   Call: (221) [system] 'I'=(\)
   Fail: (221) [system] 'I'=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _1436060)
   Call: (222) [system] peek_char((0x563acd73bee0), _1436994)
   Exit: (222) [system] peek_char((0x563acd73bee0), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_1441714, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_1442646, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x563acd73bee0), n)
   Exit: (222) [system] get_char((0x563acd73bee0), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _1449996)
   Call: (223) [system] peek_char((0x563acd73bee0), _1450930)
   Exit: (223) [system] peek_char((0x563acd73bee0), t)
^  Call: (223) [user] is_delimiter(t)
   Call: (224) [system] char_type(t, space)
   Fail: (224) [system] char_type(t, space)
   Call: (224) [system] arg(_1455650, v('(', ')', end_of_file), t)
   Fail: (224) [system] arg(_1456582, v('(', ')', end_of_file), t)
^  Fail: (223) [user] is_delimiter(t)
   Call: (223) [system] ')'==t
   Fail: (223) [system] ')'==t
   Call: (223) [system] get_char((0x563acd73bee0), t)
   Exit: (223) [system] get_char((0x563acd73bee0), t)
   Call: (223) [system] t=(\)
   Fail: (223) [system] t=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _1463932)
   Call: (224) [system] peek_char((0x563acd73bee0), _1464866)
   Exit: (224) [system] peek_char((0x563acd73bee0), r)
^  Call: (224) [user] is_delimiter(r)
   Call: (225) [system] char_type(r, space)
   Fail: (225) [system] char_type(r, space)
   Call: (225) [system] arg(_1469586, v('(', ')', end_of_file), r)
   Fail: (225) [system] arg(_1470518, v('(', ')', end_of_file), r)
^  Fail: (224) [user] is_delimiter(r)
   Call: (224) [system] ')'==r
   Fail: (224) [system] ')'==r
   Call: (224) [system] get_char((0x563acd73bee0), r)
   Exit: (224) [system] get_char((0x563acd73bee0), r)
   Call: (224) [system] r=(\)
   Fail: (224) [system] r=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _1477868)
   Call: (225) [system] peek_char((0x563acd73bee0), _1478802)
   Exit: (225) [system] peek_char((0x563acd73bee0), o)
^  Call: (225) [user] is_delimiter(o)
   Call: (226) [system] char_type(o, space)
   Fail: (226) [system] char_type(o, space)
   Call: (226) [system] arg(_1483522, v('(', ')', end_of_file), o)
   Fail: (226) [system] arg(_1484454, v('(', ')', end_of_file), o)
^  Fail: (225) [user] is_delimiter(o)
   Call: (225) [system] ')'==o
   Fail: (225) [system] ')'==o
   Call: (225) [system] get_char((0x563acd73bee0), o)
   Exit: (225) [system] get_char((0x563acd73bee0), o)
   Call: (225) [system] o=(\)
   Fail: (225) [system] o=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _1491804)
   Call: (226) [system] peek_char((0x563acd73bee0), _1492738)
   Exit: (226) [system] peek_char((0x563acd73bee0), d)
^  Call: (226) [user] is_delimiter(d)
   Call: (227) [system] char_type(d, space)
   Fail: (227) [system] char_type(d, space)
   Call: (227) [system] arg(_1497458, v('(', ')', end_of_file), d)
   Fail: (227) [system] arg(_1498390, v('(', ')', end_of_file), d)
^  Fail: (226) [user] is_delimiter(d)
   Call: (226) [system] ')'==d
   Fail: (226) [system] ')'==d
   Call: (226) [system] get_char((0x563acd73bee0), d)
   Exit: (226) [system] get_char((0x563acd73bee0), d)
   Call: (226) [system] d=(\)
   Fail: (226) [system] d=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _1505740)
   Call: (227) [system] peek_char((0x563acd73bee0), _1506674)
   Exit: (227) [system] peek_char((0x563acd73bee0), u)
^  Call: (227) [user] is_delimiter(u)
   Call: (228) [system] char_type(u, space)
   Fail: (228) [system] char_type(u, space)
   Call: (228) [system] arg(_1511394, v('(', ')', end_of_file), u)
   Fail: (228) [system] arg(_1512326, v('(', ')', end_of_file), u)
^  Fail: (227) [user] is_delimiter(u)
   Call: (227) [system] ')'==u
   Fail: (227) [system] ')'==u
   Call: (227) [system] get_char((0x563acd73bee0), u)
   Exit: (227) [system] get_char((0x563acd73bee0), u)
   Call: (227) [system] u=(\)
   Fail: (227) [system] u=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _1519676)
   Call: (228) [system] peek_char((0x563acd73bee0), _1520610)
   Exit: (228) [system] peek_char((0x563acd73bee0), c)
^  Call: (228) [user] is_delimiter(c)
   Call: (229) [system] char_type(c, space)
   Fail: (229) [system] char_type(c, space)
   Call: (229) [system] arg(_1525330, v('(', ')', end_of_file), c)
   Fail: (229) [system] arg(_1526262, v('(', ')', end_of_file), c)
^  Fail: (228) [user] is_delimiter(c)
   Call: (228) [system] ')'==c
   Fail: (228) [system] ')'==c
   Call: (228) [system] get_char((0x563acd73bee0), c)
   Exit: (228) [system] get_char((0x563acd73bee0), c)
   Call: (228) [system] c=(\)
   Fail: (228) [system] c=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _1533612)
   Call: (229) [system] peek_char((0x563acd73bee0), _1534546)
   Exit: (229) [system] peek_char((0x563acd73bee0), t)
^  Call: (229) [user] is_delimiter(t)
   Call: (230) [system] char_type(t, space)
   Fail: (230) [system] char_type(t, space)
   Call: (230) [system] arg(_1539266, v('(', ')', end_of_file), t)
   Fail: (230) [system] arg(_1540198, v('(', ')', end_of_file), t)
^  Fail: (229) [user] is_delimiter(t)
   Call: (229) [system] ')'==t
   Fail: (229) [system] ')'==t
   Call: (229) [system] get_char((0x563acd73bee0), t)
   Exit: (229) [system] get_char((0x563acd73bee0), t)
   Call: (229) [system] t=(\)
   Fail: (229) [system] t=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _1547548)
   Call: (230) [system] peek_char((0x563acd73bee0), _1548482)
   Exit: (230) [system] peek_char((0x563acd73bee0), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Fail: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_1553202, v('(', ')', end_of_file), i)
   Fail: (231) [system] arg(_1554134, v('(', ')', end_of_file), i)
^  Fail: (230) [user] is_delimiter(i)
   Call: (230) [system] ')'==i
   Fail: (230) [system] ')'==i
   Call: (230) [system] get_char((0x563acd73bee0), i)
   Exit: (230) [system] get_char((0x563acd73bee0), i)
   Call: (230) [system] i=(\)
   Fail: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _1561484)
   Call: (231) [system] peek_char((0x563acd73bee0), _1562418)
   Exit: (231) [system] peek_char((0x563acd73bee0), o)
^  Call: (231) [user] is_delimiter(o)
   Call: (232) [system] char_type(o, space)
   Fail: (232) [system] char_type(o, space)
   Call: (232) [system] arg(_1567138, v('(', ')', end_of_file), o)
   Fail: (232) [system] arg(_1568070, v('(', ')', end_of_file), o)
^  Fail: (231) [user] is_delimiter(o)
   Call: (231) [system] ')'==o
   Fail: (231) [system] ')'==o
   Call: (231) [system] get_char((0x563acd73bee0), o)
   Exit: (231) [system] get_char((0x563acd73bee0), o)
   Call: (231) [system] o=(\)
   Fail: (231) [system] o=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _1575420)
   Call: (232) [system] peek_char((0x563acd73bee0), _1576354)
   Exit: (232) [system] peek_char((0x563acd73bee0), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Fail: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_1581074, v('(', ')', end_of_file), n)
   Fail: (233) [system] arg(_1582006, v('(', ')', end_of_file), n)
^  Fail: (232) [user] is_delimiter(n)
   Call: (232) [system] ')'==n
   Fail: (232) [system] ')'==n
   Call: (232) [system] get_char((0x563acd73bee0), n)
   Exit: (232) [system] get_char((0x563acd73bee0), n)
   Call: (232) [system] n=(\)
   Fail: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _1589356)
   Call: (233) [system] peek_char((0x563acd73bee0), _1590290)
   Exit: (233) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _1589356=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (232) [system] _1575420=[n]
   Exit: (232) [system] [n]=[n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (231) [system] _1561484=[o, n]
   Exit: (231) [system] [o, n]=[o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (230) [system] _1547548=[i, o, n]
   Exit: (230) [system] [i, o, n]=[i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (229) [system] _1533612=[t, i, o, n]
   Exit: (229) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (228) [system] _1519676=[c, t, i, o, n]
   Exit: (228) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n])
   Call: (227) [system] _1505740=[u, c, t, i, o, n]
   Exit: (227) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, i, o, n])
   Call: (226) [system] _1491804=[d, u, c, t, i, o, n]
   Exit: (226) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, u, c, t, i, o, n])
   Call: (225) [system] _1477868=[o, d, u, c, t, i, o, n]
   Exit: (225) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, d, u, c, t, i, o, n])
   Call: (224) [system] _1463932=[r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1449996=[t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1436060=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1422124=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1408188=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1394252=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1380316=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1366380=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1352444=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1338508=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _1324572=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1310636=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _1296700=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _1282764=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (210) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1247254)
^  Call: (211) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1661042)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_1661994, _1661996), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1661042), _1661976, fail)), '$restore_trace'(_1661994, _1661996))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_1661994, _1661996))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1661042), _1661976, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_1661042)
   Fail: (212) [system] atomic(_1661042)
   Call: (212) [system] atom_chars(_1661042, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (212) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (211) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (211) [system] integer('DisjunctionIntroduction')
   Fail: (211) [system] integer('DisjunctionIntroduction')
   Call: (211) [system] _1247254='DisjunctionIntroduction'
   Exit: (211) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (210) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (209) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'DisjunctionIntroduction')
^  Exit: (208) [user] cont_sexpr(')', (0x563acd73bee0), 'DisjunctionIntroduction')
^  Call: (208) [user] read_list(')', (0x563acd73bee0), _1675992)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1677850)
   Exit: (210) [system] peek_char((0x563acd73bee0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x563acd73bee0), _1687444)
   Exit: (210) [system] get_char((0x563acd73bee0), ' ')
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1690148)
   Exit: (211) [system] peek_char((0x563acd73bee0), a)
   Call: (211) [system] a=(;)
   Fail: (211) [system] a=(;)
   Call: (211) [system] a=(/)
   Fail: (211) [system] a=(/)
^  Call: (211) [user] is_like_space(a)
   Call: (212) [system] char_type(a, 'white')
   Fail: (212) [system] char_type(a, 'white')
   Call: (212) [system] char_type(a, end_of_line)
   Fail: (212) [system] char_type(a, end_of_line)
   Call: (212) [system] char_type(a, space)
   Fail: (212) [system] char_type(a, space)
   Call: (212) [system] char_type(a, cntrl)
   Fail: (212) [system] char_type(a, cntrl)
^  Fail: (211) [user] is_like_space(a)
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1707082)
   Exit: (209) [system] peek_char((0x563acd73bee0), a)
   Call: (209) [system] a=')'
   Fail: (209) [system] a=')'
   Call: (209) [system] a=end_of_file
   Fail: (209) [system] a=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x563acd73bee0), _1712652)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1714510)
   Exit: (211) [system] peek_char((0x563acd73bee0), a)
   Call: (211) [system] a=(;)
   Fail: (211) [system] a=(;)
   Call: (211) [system] a=(/)
   Fail: (211) [system] a=(/)
^  Call: (211) [user] is_like_space(a)
   Call: (212) [system] char_type(a, 'white')
   Fail: (212) [system] char_type(a, 'white')
   Call: (212) [system] char_type(a, end_of_line)
   Fail: (212) [system] char_type(a, end_of_line)
   Call: (212) [system] char_type(a, space)
   Fail: (212) [system] char_type(a, space)
   Call: (212) [system] char_type(a, cntrl)
   Fail: (212) [system] char_type(a, cntrl)
^  Fail: (211) [user] is_like_space(a)
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] get_char((0x563acd73bee0), _1730520)
   Exit: (210) [system] get_char((0x563acd73bee0), a)
   Call: (210) [system] a='('
   Fail: (210) [system] a='('
   Call: (210) [system] a='['
   Fail: (210) [system] a='['
   Call: (210) [system] a='{'
   Fail: (210) [system] a='{'
   Call: (210) [system] a='"'
   Fail: (210) [system] a='"'
   Call: (210) [system] a=!
   Fail: (210) [system] a=!
   Call: (210) [system] a='\''
   Fail: (210) [system] a='\''
   Call: (210) [system] a='`'
   Fail: (210) [system] a='`'
   Call: (210) [system] a=end_of_file
   Fail: (210) [system] a=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x563acd73bee0), a, _1712652)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1748162)
   Call: (212) [system] peek_char((0x563acd73bee0), _1749096)
   Exit: (212) [system] peek_char((0x563acd73bee0), b)
^  Call: (212) [user] is_delimiter(b)
   Call: (213) [system] char_type(b, space)
   Fail: (213) [system] char_type(b, space)
   Call: (213) [system] arg(_1753816, v('(', ')', end_of_file), b)
   Fail: (213) [system] arg(_1754748, v('(', ')', end_of_file), b)
^  Fail: (212) [user] is_delimiter(b)
   Call: (212) [system] ')'==b
   Fail: (212) [system] ')'==b
   Call: (212) [system] get_char((0x563acd73bee0), b)
   Exit: (212) [system] get_char((0x563acd73bee0), b)
   Call: (212) [system] b=(\)
   Fail: (212) [system] b=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _1762098)
   Call: (213) [system] peek_char((0x563acd73bee0), _1763032)
   Exit: (213) [system] peek_char((0x563acd73bee0), c)
^  Call: (213) [user] is_delimiter(c)
   Call: (214) [system] char_type(c, space)
   Fail: (214) [system] char_type(c, space)
   Call: (214) [system] arg(_1767752, v('(', ')', end_of_file), c)
   Fail: (214) [system] arg(_1768684, v('(', ')', end_of_file), c)
^  Fail: (213) [user] is_delimiter(c)
   Call: (213) [system] ')'==c
   Fail: (213) [system] ')'==c
   Call: (213) [system] get_char((0x563acd73bee0), c)
   Exit: (213) [system] get_char((0x563acd73bee0), c)
   Call: (213) [system] c=(\)
   Fail: (213) [system] c=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _1776034)
   Call: (214) [system] peek_char((0x563acd73bee0), _1776968)
   Exit: (214) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _1776034=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (213) [system] _1762098=[c]
   Exit: (213) [system] [c]=[c]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [c])
   Call: (212) [system] _1748162=[b, c]
   Exit: (212) [system] [b, c]=[b, c]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [b, c])
^  Call: (211) [user] classify_and_convert_charseq([a, b, c], _1712652)
^  Call: (212) [user] classify_and_convert_charseq_([a, b, c], _1791840)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_1792792, _1792794), once(user:catch(read_from_chars([a, b, c], _1791840), _1792774, fail)), '$restore_trace'(_1792792, _1792794))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_1792792, _1792794))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1792774, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(abc)
   Exit: (213) [system] atomic(abc)
^  Exit: (212) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (212) [system] integer(abc)
   Fail: (212) [system] integer(abc)
   Call: (212) [system] _1712652=abc
   Exit: (212) [system] abc=abc
^  Exit: (211) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (210) [user] read_symbolic(')', (0x563acd73bee0), a, abc)
^  Exit: (209) [user] cont_sexpr(')', (0x563acd73bee0), abc)
^  Call: (209) [user] read_list(')', (0x563acd73bee0), _1804920)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1806778)
   Exit: (211) [system] peek_char((0x563acd73bee0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x563acd73bee0), _1816372)
   Exit: (211) [system] get_char((0x563acd73bee0), ' ')
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1819076)
   Exit: (212) [system] peek_char((0x563acd73bee0), c)
   Call: (212) [system] c=(;)
   Fail: (212) [system] c=(;)
   Call: (212) [system] c=(/)
   Fail: (212) [system] c=(/)
^  Call: (212) [user] is_like_space(c)
   Call: (213) [system] char_type(c, 'white')
   Fail: (213) [system] char_type(c, 'white')
   Call: (213) [system] char_type(c, end_of_line)
   Fail: (213) [system] char_type(c, end_of_line)
   Call: (213) [system] char_type(c, space)
   Fail: (213) [system] char_type(c, space)
   Call: (213) [system] char_type(c, cntrl)
   Fail: (213) [system] char_type(c, cntrl)
^  Fail: (212) [user] is_like_space(c)
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1836010)
   Exit: (210) [system] peek_char((0x563acd73bee0), c)
   Call: (210) [system] c=')'
   Fail: (210) [system] c=')'
   Call: (210) [system] c=end_of_file
   Fail: (210) [system] c=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x563acd73bee0), _1841580)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1843438)
   Exit: (212) [system] peek_char((0x563acd73bee0), c)
   Call: (212) [system] c=(;)
   Fail: (212) [system] c=(;)
   Call: (212) [system] c=(/)
   Fail: (212) [system] c=(/)
^  Call: (212) [user] is_like_space(c)
   Call: (213) [system] char_type(c, 'white')
   Fail: (213) [system] char_type(c, 'white')
   Call: (213) [system] char_type(c, end_of_line)
   Fail: (213) [system] char_type(c, end_of_line)
   Call: (213) [system] char_type(c, space)
   Fail: (213) [system] char_type(c, space)
   Call: (213) [system] char_type(c, cntrl)
   Fail: (213) [system] char_type(c, cntrl)
^  Fail: (212) [user] is_like_space(c)
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] get_char((0x563acd73bee0), _1859448)
   Exit: (211) [system] get_char((0x563acd73bee0), c)
   Call: (211) [system] c='('
   Fail: (211) [system] c='('
   Call: (211) [system] c='['
   Fail: (211) [system] c='['
   Call: (211) [system] c='{'
   Fail: (211) [system] c='{'
   Call: (211) [system] c='"'
   Fail: (211) [system] c='"'
   Call: (211) [system] c=!
   Fail: (211) [system] c=!
   Call: (211) [system] c='\''
   Fail: (211) [system] c='\''
   Call: (211) [system] c='`'
   Fail: (211) [system] c='`'
   Call: (211) [system] c=end_of_file
   Fail: (211) [system] c=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x563acd73bee0), c, _1841580)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _1877090)
   Call: (213) [system] peek_char((0x563acd73bee0), _1878024)
   Exit: (213) [system] peek_char((0x563acd73bee0), d)
^  Call: (213) [user] is_delimiter(d)
   Call: (214) [system] char_type(d, space)
   Fail: (214) [system] char_type(d, space)
   Call: (214) [system] arg(_1882744, v('(', ')', end_of_file), d)
   Fail: (214) [system] arg(_1883676, v('(', ')', end_of_file), d)
^  Fail: (213) [user] is_delimiter(d)
   Call: (213) [system] ')'==d
   Fail: (213) [system] ')'==d
   Call: (213) [system] get_char((0x563acd73bee0), d)
   Exit: (213) [system] get_char((0x563acd73bee0), d)
   Call: (213) [system] d=(\)
   Fail: (213) [system] d=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _1891026)
   Call: (214) [system] peek_char((0x563acd73bee0), _1891960)
   Exit: (214) [system] peek_char((0x563acd73bee0), e)
^  Call: (214) [user] is_delimiter(e)
   Call: (215) [system] char_type(e, space)
   Fail: (215) [system] char_type(e, space)
   Call: (215) [system] arg(_1896680, v('(', ')', end_of_file), e)
   Fail: (215) [system] arg(_1897612, v('(', ')', end_of_file), e)
^  Fail: (214) [user] is_delimiter(e)
   Call: (214) [system] ')'==e
   Fail: (214) [system] ')'==e
   Call: (214) [system] get_char((0x563acd73bee0), e)
   Exit: (214) [system] get_char((0x563acd73bee0), e)
   Call: (214) [system] e=(\)
   Fail: (214) [system] e=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _1904962)
   Call: (215) [system] peek_char((0x563acd73bee0), _1905896)
   Exit: (215) [system] peek_char((0x563acd73bee0), ')')
^  Call: (215) [user] is_delimiter(')')
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] arg(_1910616, v('(', ')', end_of_file), ')')
   Exit: (216) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (215) [user] is_delimiter(')')
   Call: (215) [system] _1904962=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (214) [system] _1891026=[e]
   Exit: (214) [system] [e]=[e]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [e])
   Call: (213) [system] _1877090=[d, e]
   Exit: (213) [system] [d, e]=[d, e]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, e])
^  Call: (212) [user] classify_and_convert_charseq([c, d, e], _1841580)
^  Call: (213) [user] classify_and_convert_charseq_([c, d, e], _1922640)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_1923592, _1923594), once(user:catch(read_from_chars([c, d, e], _1922640), _1923574, fail)), '$restore_trace'(_1923592, _1923594))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_1923592, _1923594))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1923574, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(cde)
   Exit: (214) [system] atomic(cde)
^  Exit: (213) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (213) [system] integer(cde)
   Fail: (213) [system] integer(cde)
   Call: (213) [system] _1841580=cde
   Exit: (213) [system] cde=cde
^  Exit: (212) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (211) [user] read_symbolic(')', (0x563acd73bee0), c, cde)
^  Exit: (210) [user] cont_sexpr(')', (0x563acd73bee0), cde)
^  Call: (210) [user] read_list(')', (0x563acd73bee0), _1935720)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1937578)
   Exit: (212) [system] peek_char((0x563acd73bee0), ')')
   Call: (212) [system] ')'=(;)
   Fail: (212) [system] ')'=(;)
   Call: (212) [system] ')'=(/)
   Fail: (212) [system] ')'=(/)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Fail: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Fail: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
   Fail: (213) [system] char_type(')', cntrl)
^  Fail: (212) [user] is_like_space(')')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1953588)
   Exit: (211) [system] peek_char((0x563acd73bee0), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x563acd73bee0), _1957378)
   Exit: (211) [system] get_char((0x563acd73bee0), ')')
   Call: (211) [system] _1935720=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x563acd73bee0), [])
   Call: (210) [system] _1804920=[cde]
   Exit: (210) [system] [cde]=[cde]
^  Exit: (209) [user] read_list(')', (0x563acd73bee0), [cde])
   Call: (209) [system] _1675992=[abc, cde]
   Exit: (209) [system] [abc, cde]=[abc, cde]
^  Exit: (208) [user] read_list(')', (0x563acd73bee0), [abc, cde])
   Call: (208) [system] _1202236=['DisjunctionIntroduction', abc, cde]
   Exit: (208) [system] ['DisjunctionIntroduction', abc, cde]=['DisjunctionIntroduction', abc, cde]
^  Exit: (207) [user] read_list(')', (0x563acd73bee0), ['DisjunctionIntroduction', abc, cde])
^  Exit: (206) [user] cont_sexpr(')', (0x563acd73bee0), ['DisjunctionIntroduction', abc, cde])
^  Call: (206) [user] read_list(')', (0x563acd73bee0), _1971260)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1973118)
   Exit: (208) [system] peek_char((0x563acd73bee0), ')')
   Call: (208) [system] ')'=(;)
   Fail: (208) [system] ')'=(;)
   Call: (208) [system] ')'=(/)
   Fail: (208) [system] ')'=(/)
^  Call: (208) [user] is_like_space(')')
   Call: (209) [system] char_type(')', 'white')
   Fail: (209) [system] char_type(')', 'white')
   Call: (209) [system] char_type(')', end_of_line)
   Fail: (209) [system] char_type(')', end_of_line)
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] char_type(')', cntrl)
   Fail: (209) [system] char_type(')', cntrl)
^  Fail: (208) [user] is_like_space(')')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1989128)
   Exit: (207) [system] peek_char((0x563acd73bee0), ')')
   Call: (207) [system] ')'=')'
   Exit: (207) [system] ')'=')'
   Call: (207) [system] get_char((0x563acd73bee0), _1992918)
   Exit: (207) [system] get_char((0x563acd73bee0), ')')
   Call: (207) [system] _1971260=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_list(')', (0x563acd73bee0), [])
   Call: (206) [system] _1165576=[['DisjunctionIntroduction', abc, cde]]
   Exit: (206) [system] [['DisjunctionIntroduction', abc, cde]]=[['DisjunctionIntroduction', abc, cde]]
^  Exit: (205) [user] read_list(')', (0x563acd73bee0), [['DisjunctionIntroduction', abc, cde]])
   Call: (205) [system] _1036648=[abc, ['DisjunctionIntroduction', abc, cde]]
   Exit: (205) [system] [abc, ['DisjunctionIntroduction', abc, cde]]=[abc, ['DisjunctionIntroduction', abc, cde]]
^  Exit: (204) [user] read_list(')', (0x563acd73bee0), [abc, ['DisjunctionIntroduction', abc, cde]])
   Call: (204) [system] _562892=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]]
   Exit: (204) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]]
^  Exit: (203) [user] read_list(')', (0x563acd73bee0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]])
^  Exit: (202) [user] cont_sexpr(')', (0x563acd73bee0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]])
^  Call: (202) [user] read_list(')', (0x563acd73bee0), _2006800)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _2008658)
   Exit: (204) [system] peek_char((0x563acd73bee0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x563acd73bee0), _2018252)
   Exit: (204) [system] get_char((0x563acd73bee0), ' ')
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _2020956)
   Exit: (205) [system] peek_char((0x563acd73bee0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _2037890)
   Exit: (203) [system] peek_char((0x563acd73bee0), '(')
   Call: (203) [system] '('=')'
   Fail: (203) [system] '('=')'
   Call: (203) [system] '('=end_of_file
   Fail: (203) [system] '('=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x563acd73bee0), _2043460)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _2045318)
   Exit: (205) [system] peek_char((0x563acd73bee0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] get_char((0x563acd73bee0), _2061328)
   Exit: (204) [system] get_char((0x563acd73bee0), '(')
   Call: (204) [system] '('='('
   Exit: (204) [system] '('='('
^  Call: (204) [user] read_list(')', (0x563acd73bee0), _2043460)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _2066898)
   Exit: (206) [system] peek_char((0x563acd73bee0), 'O')
   Call: (206) [system] 'O'=(;)
   Fail: (206) [system] 'O'=(;)
   Call: (206) [system] 'O'=(/)
   Fail: (206) [system] 'O'=(/)
^  Call: (206) [user] is_like_space('O')
   Call: (207) [system] char_type('O', 'white')
   Fail: (207) [system] char_type('O', 'white')
   Call: (207) [system] char_type('O', end_of_line)
   Fail: (207) [system] char_type('O', end_of_line)
   Call: (207) [system] char_type('O', space)
   Fail: (207) [system] char_type('O', space)
   Call: (207) [system] char_type('O', cntrl)
   Fail: (207) [system] char_type('O', cntrl)
^  Fail: (206) [user] is_like_space('O')
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _2082908)
   Exit: (205) [system] peek_char((0x563acd73bee0), 'O')
   Call: (205) [system] 'O'=')'
   Fail: (205) [system] 'O'=')'
   Call: (205) [system] 'O'=end_of_file
   Fail: (205) [system] 'O'=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x563acd73bee0), _2088478)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _2090336)
   Exit: (207) [system] peek_char((0x563acd73bee0), 'O')
   Call: (207) [system] 'O'=(;)
   Fail: (207) [system] 'O'=(;)
   Call: (207) [system] 'O'=(/)
   Fail: (207) [system] 'O'=(/)
^  Call: (207) [user] is_like_space('O')
   Call: (208) [system] char_type('O', 'white')
   Fail: (208) [system] char_type('O', 'white')
   Call: (208) [system] char_type('O', end_of_line)
   Fail: (208) [system] char_type('O', end_of_line)
   Call: (208) [system] char_type('O', space)
   Fail: (208) [system] char_type('O', space)
   Call: (208) [system] char_type('O', cntrl)
   Fail: (208) [system] char_type('O', cntrl)
^  Fail: (207) [user] is_like_space('O')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] get_char((0x563acd73bee0), _13982)
   Exit: (206) [system] get_char((0x563acd73bee0), 'O')
   Call: (206) [system] 'O'='('
   Fail: (206) [system] 'O'='('
   Call: (206) [system] 'O'='['
   Fail: (206) [system] 'O'='['
   Call: (206) [system] 'O'='{'
   Fail: (206) [system] 'O'='{'
   Call: (206) [system] 'O'='"'
   Fail: (206) [system] 'O'='"'
   Call: (206) [system] 'O'=!
   Fail: (206) [system] 'O'=!
   Call: (206) [system] 'O'='\''
   Fail: (206) [system] 'O'='\''
   Call: (206) [system] 'O'='`'
   Fail: (206) [system] 'O'='`'
   Call: (206) [system] 'O'=end_of_file
   Fail: (206) [system] 'O'=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x563acd73bee0), 'O', _4520)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _31624)
   Call: (208) [system] peek_char((0x563acd73bee0), _32558)
   Exit: (208) [system] peek_char((0x563acd73bee0), r)
^  Call: (208) [user] is_delimiter(r)
   Call: (209) [system] char_type(r, space)
   Fail: (209) [system] char_type(r, space)
   Call: (209) [system] arg(_37278, v('(', ')', end_of_file), r)
   Fail: (209) [system] arg(_38210, v('(', ')', end_of_file), r)
^  Fail: (208) [user] is_delimiter(r)
   Call: (208) [system] ')'==r
   Fail: (208) [system] ')'==r
   Call: (208) [system] get_char((0x563acd73bee0), r)
   Exit: (208) [system] get_char((0x563acd73bee0), r)
   Call: (208) [system] r=(\)
   Fail: (208) [system] r=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _45560)
   Call: (209) [system] peek_char((0x563acd73bee0), _46494)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (209) [user] is_delimiter('L')
   Call: (210) [system] char_type('L', space)
   Fail: (210) [system] char_type('L', space)
   Call: (210) [system] arg(_51214, v('(', ')', end_of_file), 'L')
   Fail: (210) [system] arg(_52146, v('(', ')', end_of_file), 'L')
^  Fail: (209) [user] is_delimiter('L')
   Call: (209) [system] ')'=='L'
   Fail: (209) [system] ')'=='L'
   Call: (209) [system] get_char((0x563acd73bee0), 'L')
   Exit: (209) [system] get_char((0x563acd73bee0), 'L')
   Call: (209) [system] 'L'=(\)
   Fail: (209) [system] 'L'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _59496)
   Call: (210) [system] peek_char((0x563acd73bee0), _60430)
   Exit: (210) [system] peek_char((0x563acd73bee0), i)
^  Call: (210) [user] is_delimiter(i)
   Call: (211) [system] char_type(i, space)
   Fail: (211) [system] char_type(i, space)
   Call: (211) [system] arg(_65150, v('(', ')', end_of_file), i)
   Fail: (211) [system] arg(_66082, v('(', ')', end_of_file), i)
^  Fail: (210) [user] is_delimiter(i)
   Call: (210) [system] ')'==i
   Fail: (210) [system] ')'==i
   Call: (210) [system] get_char((0x563acd73bee0), i)
   Exit: (210) [system] get_char((0x563acd73bee0), i)
   Call: (210) [system] i=(\)
   Fail: (210) [system] i=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _73432)
   Call: (211) [system] peek_char((0x563acd73bee0), _74366)
   Exit: (211) [system] peek_char((0x563acd73bee0), n)
^  Call: (211) [user] is_delimiter(n)
   Call: (212) [system] char_type(n, space)
   Fail: (212) [system] char_type(n, space)
   Call: (212) [system] arg(_79086, v('(', ')', end_of_file), n)
   Fail: (212) [system] arg(_80018, v('(', ')', end_of_file), n)
^  Fail: (211) [user] is_delimiter(n)
   Call: (211) [system] ')'==n
   Fail: (211) [system] ')'==n
   Call: (211) [system] get_char((0x563acd73bee0), n)
   Exit: (211) [system] get_char((0x563acd73bee0), n)
   Call: (211) [system] n=(\)
   Fail: (211) [system] n=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _87368)
   Call: (212) [system] peek_char((0x563acd73bee0), _88302)
   Exit: (212) [system] peek_char((0x563acd73bee0), k)
^  Call: (212) [user] is_delimiter(k)
   Call: (213) [system] char_type(k, space)
   Fail: (213) [system] char_type(k, space)
   Call: (213) [system] arg(_93022, v('(', ')', end_of_file), k)
   Fail: (213) [system] arg(_93954, v('(', ')', end_of_file), k)
^  Fail: (212) [user] is_delimiter(k)
   Call: (212) [system] ')'==k
   Fail: (212) [system] ')'==k
   Call: (212) [system] get_char((0x563acd73bee0), k)
   Exit: (212) [system] get_char((0x563acd73bee0), k)
   Call: (212) [system] k=(\)
   Fail: (212) [system] k=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _101304)
   Call: (213) [system] peek_char((0x563acd73bee0), _102238)
   Exit: (213) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (213) [user] is_delimiter(' ')
   Call: (214) [system] char_type(' ', space)
   Exit: (214) [system] char_type(' ', space)
^  Exit: (213) [user] is_delimiter(' ')
   Call: (213) [system] _101304=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (212) [system] _87368=[k]
   Exit: (212) [system] [k]=[k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (211) [system] _73432=[n, k]
   Exit: (211) [system] [n, k]=[n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (210) [system] _59496=[i, n, k]
   Exit: (210) [system] [i, n, k]=[i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (209) [system] _45560=['L', i, n, k]
   Exit: (209) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (208) [system] _31624=[r, 'L', i, n, k]
   Exit: (208) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (207) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _4520)
^  Call: (208) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _125492)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_126444, _126446), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _125492), _126426, fail)), '$restore_trace'(_126444, _126446))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_126444, _126446))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _125492), _126426, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_125492)
   Fail: (209) [system] atomic(_125492)
   Call: (209) [system] atom_chars(_125492, ['O', r, 'L', i, n, k])
   Exit: (209) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (208) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (208) [system] integer('OrLink')
   Fail: (208) [system] integer('OrLink')
   Call: (208) [system] _4520='OrLink'
   Exit: (208) [system] 'OrLink'='OrLink'
^  Exit: (207) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (206) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (205) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (205) [user] read_list(')', (0x563acd73bee0), _140442)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _142300)
   Exit: (207) [system] peek_char((0x563acd73bee0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
   Call: (207) [system] ' '=(/)
   Fail: (207) [system] ' '=(/)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x563acd73bee0), _151894)
   Exit: (207) [system] get_char((0x563acd73bee0), ' ')
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _154598)
   Exit: (208) [system] peek_char((0x563acd73bee0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _171532)
   Exit: (206) [system] peek_char((0x563acd73bee0), '(')
   Call: (206) [system] '('=')'
   Fail: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
   Fail: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x563acd73bee0), _177102)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _178960)
   Exit: (208) [system] peek_char((0x563acd73bee0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] get_char((0x563acd73bee0), _194970)
   Exit: (207) [system] get_char((0x563acd73bee0), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x563acd73bee0), _177102)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _200540)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'I')
   Call: (209) [system] 'I'=(;)
   Fail: (209) [system] 'I'=(;)
   Call: (209) [system] 'I'=(/)
   Fail: (209) [system] 'I'=(/)
^  Call: (209) [user] is_like_space('I')
   Call: (210) [system] char_type('I', 'white')
   Fail: (210) [system] char_type('I', 'white')
   Call: (210) [system] char_type('I', end_of_line)
   Fail: (210) [system] char_type('I', end_of_line)
   Call: (210) [system] char_type('I', space)
   Fail: (210) [system] char_type('I', space)
   Call: (210) [system] char_type('I', cntrl)
   Fail: (210) [system] char_type('I', cntrl)
^  Fail: (209) [user] is_like_space('I')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _216550)
   Exit: (208) [system] peek_char((0x563acd73bee0), 'I')
   Call: (208) [system] 'I'=')'
   Fail: (208) [system] 'I'=')'
   Call: (208) [system] 'I'=end_of_file
   Fail: (208) [system] 'I'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x563acd73bee0), _222120)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _223978)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'I')
   Call: (210) [system] 'I'=(;)
   Fail: (210) [system] 'I'=(;)
   Call: (210) [system] 'I'=(/)
   Fail: (210) [system] 'I'=(/)
^  Call: (210) [user] is_like_space('I')
   Call: (211) [system] char_type('I', 'white')
   Fail: (211) [system] char_type('I', 'white')
   Call: (211) [system] char_type('I', end_of_line)
   Fail: (211) [system] char_type('I', end_of_line)
   Call: (211) [system] char_type('I', space)
   Fail: (211) [system] char_type('I', space)
   Call: (211) [system] char_type('I', cntrl)
   Fail: (211) [system] char_type('I', cntrl)
^  Fail: (210) [user] is_like_space('I')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] get_char((0x563acd73bee0), _239988)
   Exit: (209) [system] get_char((0x563acd73bee0), 'I')
   Call: (209) [system] 'I'='('
   Fail: (209) [system] 'I'='('
   Call: (209) [system] 'I'='['
   Fail: (209) [system] 'I'='['
   Call: (209) [system] 'I'='{'
   Fail: (209) [system] 'I'='{'
   Call: (209) [system] 'I'='"'
   Fail: (209) [system] 'I'='"'
   Call: (209) [system] 'I'=!
   Fail: (209) [system] 'I'=!
   Call: (209) [system] 'I'='\''
   Fail: (209) [system] 'I'='\''
   Call: (209) [system] 'I'='`'
   Fail: (209) [system] 'I'='`'
   Call: (209) [system] 'I'=end_of_file
   Fail: (209) [system] 'I'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x563acd73bee0), 'I', _222120)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _257630)
   Call: (211) [system] peek_char((0x563acd73bee0), _258564)
   Exit: (211) [system] peek_char((0x563acd73bee0), m)
^  Call: (211) [user] is_delimiter(m)
   Call: (212) [system] char_type(m, space)
   Fail: (212) [system] char_type(m, space)
   Call: (212) [system] arg(_263284, v('(', ')', end_of_file), m)
   Fail: (212) [system] arg(_264216, v('(', ')', end_of_file), m)
^  Fail: (211) [user] is_delimiter(m)
   Call: (211) [system] ')'==m
   Fail: (211) [system] ')'==m
   Call: (211) [system] get_char((0x563acd73bee0), m)
   Exit: (211) [system] get_char((0x563acd73bee0), m)
   Call: (211) [system] m=(\)
   Fail: (211) [system] m=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _271566)
   Call: (212) [system] peek_char((0x563acd73bee0), _272500)
   Exit: (212) [system] peek_char((0x563acd73bee0), p)
^  Call: (212) [user] is_delimiter(p)
   Call: (213) [system] char_type(p, space)
   Fail: (213) [system] char_type(p, space)
   Call: (213) [system] arg(_277220, v('(', ')', end_of_file), p)
   Fail: (213) [system] arg(_278152, v('(', ')', end_of_file), p)
^  Fail: (212) [user] is_delimiter(p)
   Call: (212) [system] ')'==p
   Fail: (212) [system] ')'==p
   Call: (212) [system] get_char((0x563acd73bee0), p)
   Exit: (212) [system] get_char((0x563acd73bee0), p)
   Call: (212) [system] p=(\)
   Fail: (212) [system] p=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _285502)
   Call: (213) [system] peek_char((0x563acd73bee0), _286436)
   Exit: (213) [system] peek_char((0x563acd73bee0), l)
^  Call: (213) [user] is_delimiter(l)
   Call: (214) [system] char_type(l, space)
   Fail: (214) [system] char_type(l, space)
   Call: (214) [system] arg(_291156, v('(', ')', end_of_file), l)
   Fail: (214) [system] arg(_292088, v('(', ')', end_of_file), l)
^  Fail: (213) [user] is_delimiter(l)
   Call: (213) [system] ')'==l
   Fail: (213) [system] ')'==l
   Call: (213) [system] get_char((0x563acd73bee0), l)
   Exit: (213) [system] get_char((0x563acd73bee0), l)
   Call: (213) [system] l=(\)
   Fail: (213) [system] l=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _299438)
   Call: (214) [system] peek_char((0x563acd73bee0), _300372)
   Exit: (214) [system] peek_char((0x563acd73bee0), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Fail: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_305092, v('(', ')', end_of_file), i)
   Fail: (215) [system] arg(_306024, v('(', ')', end_of_file), i)
^  Fail: (214) [user] is_delimiter(i)
   Call: (214) [system] ')'==i
   Fail: (214) [system] ')'==i
   Call: (214) [system] get_char((0x563acd73bee0), i)
   Exit: (214) [system] get_char((0x563acd73bee0), i)
   Call: (214) [system] i=(\)
   Fail: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _313374)
   Call: (215) [system] peek_char((0x563acd73bee0), _314308)
   Exit: (215) [system] peek_char((0x563acd73bee0), c)
^  Call: (215) [user] is_delimiter(c)
   Call: (216) [system] char_type(c, space)
   Fail: (216) [system] char_type(c, space)
   Call: (216) [system] arg(_319028, v('(', ')', end_of_file), c)
   Fail: (216) [system] arg(_319960, v('(', ')', end_of_file), c)
^  Fail: (215) [user] is_delimiter(c)
   Call: (215) [system] ')'==c
   Fail: (215) [system] ')'==c
   Call: (215) [system] get_char((0x563acd73bee0), c)
   Exit: (215) [system] get_char((0x563acd73bee0), c)
   Call: (215) [system] c=(\)
   Fail: (215) [system] c=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _327310)
   Call: (216) [system] peek_char((0x563acd73bee0), _328244)
   Exit: (216) [system] peek_char((0x563acd73bee0), a)
^  Call: (216) [user] is_delimiter(a)
   Call: (217) [system] char_type(a, space)
   Fail: (217) [system] char_type(a, space)
   Call: (217) [system] arg(_332964, v('(', ')', end_of_file), a)
   Fail: (217) [system] arg(_333896, v('(', ')', end_of_file), a)
^  Fail: (216) [user] is_delimiter(a)
   Call: (216) [system] ')'==a
   Fail: (216) [system] ')'==a
   Call: (216) [system] get_char((0x563acd73bee0), a)
   Exit: (216) [system] get_char((0x563acd73bee0), a)
   Call: (216) [system] a=(\)
   Fail: (216) [system] a=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _341246)
   Call: (217) [system] peek_char((0x563acd73bee0), _342180)
   Exit: (217) [system] peek_char((0x563acd73bee0), t)
^  Call: (217) [user] is_delimiter(t)
   Call: (218) [system] char_type(t, space)
   Fail: (218) [system] char_type(t, space)
   Call: (218) [system] arg(_346900, v('(', ')', end_of_file), t)
   Fail: (218) [system] arg(_347832, v('(', ')', end_of_file), t)
^  Fail: (217) [user] is_delimiter(t)
   Call: (217) [system] ')'==t
   Fail: (217) [system] ')'==t
   Call: (217) [system] get_char((0x563acd73bee0), t)
   Exit: (217) [system] get_char((0x563acd73bee0), t)
   Call: (217) [system] t=(\)
   Fail: (217) [system] t=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _355182)
   Call: (218) [system] peek_char((0x563acd73bee0), _356116)
   Exit: (218) [system] peek_char((0x563acd73bee0), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Fail: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_360836, v('(', ')', end_of_file), i)
   Fail: (219) [system] arg(_361768, v('(', ')', end_of_file), i)
^  Fail: (218) [user] is_delimiter(i)
   Call: (218) [system] ')'==i
   Fail: (218) [system] ')'==i
   Call: (218) [system] get_char((0x563acd73bee0), i)
   Exit: (218) [system] get_char((0x563acd73bee0), i)
   Call: (218) [system] i=(\)
   Fail: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _369118)
   Call: (219) [system] peek_char((0x563acd73bee0), _370052)
   Exit: (219) [system] peek_char((0x563acd73bee0), o)
^  Call: (219) [user] is_delimiter(o)
   Call: (220) [system] char_type(o, space)
   Fail: (220) [system] char_type(o, space)
   Call: (220) [system] arg(_374772, v('(', ')', end_of_file), o)
   Fail: (220) [system] arg(_375704, v('(', ')', end_of_file), o)
^  Fail: (219) [user] is_delimiter(o)
   Call: (219) [system] ')'==o
   Fail: (219) [system] ')'==o
   Call: (219) [system] get_char((0x563acd73bee0), o)
   Exit: (219) [system] get_char((0x563acd73bee0), o)
   Call: (219) [system] o=(\)
   Fail: (219) [system] o=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _383054)
   Call: (220) [system] peek_char((0x563acd73bee0), _383988)
   Exit: (220) [system] peek_char((0x563acd73bee0), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_388708, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_389640, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x563acd73bee0), n)
   Exit: (220) [system] get_char((0x563acd73bee0), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _396990)
   Call: (221) [system] peek_char((0x563acd73bee0), _397924)
   Exit: (221) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (221) [user] is_delimiter(' ')
   Call: (222) [system] char_type(' ', space)
   Exit: (222) [system] char_type(' ', space)
^  Exit: (221) [user] is_delimiter(' ')
   Call: (221) [system] _396990=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (220) [system] _383054=[n]
   Exit: (220) [system] [n]=[n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (219) [system] _369118=[o, n]
   Exit: (219) [system] [o, n]=[o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (218) [system] _355182=[i, o, n]
   Exit: (218) [system] [i, o, n]=[i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (217) [system] _341246=[t, i, o, n]
   Exit: (217) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (216) [system] _327310=[a, t, i, o, n]
   Exit: (216) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (215) [system] _313374=[c, a, t, i, o, n]
   Exit: (215) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (214) [system] _299438=[i, c, a, t, i, o, n]
   Exit: (214) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (213) [system] _285502=[l, i, c, a, t, i, o, n]
   Exit: (213) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (212) [system] _271566=[p, l, i, c, a, t, i, o, n]
   Exit: (212) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (211) [system] _257630=[m, p, l, i, c, a, t, i, o, n]
   Exit: (211) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (210) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _222120)
^  Call: (211) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _435148)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_436100, _436102), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _435148), _436082, fail)), '$restore_trace'(_436100, _436102))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_436100, _436102))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _435148), _436082, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_435148)
   Fail: (212) [system] atomic(_435148)
   Call: (212) [system] atom_chars(_435148, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (212) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (211) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (211) [system] integer('Implication')
   Fail: (211) [system] integer('Implication')
   Call: (211) [system] _222120='Implication'
   Exit: (211) [system] 'Implication'='Implication'
^  Exit: (210) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (209) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (208) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (208) [user] read_list(')', (0x563acd73bee0), _450098)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _451956)
   Exit: (210) [system] peek_char((0x563acd73bee0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x563acd73bee0), _461550)
   Exit: (210) [system] get_char((0x563acd73bee0), ' ')
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _464254)
   Exit: (211) [system] peek_char((0x563acd73bee0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _481188)
   Exit: (209) [system] peek_char((0x563acd73bee0), '(')
   Call: (209) [system] '('=')'
   Fail: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
   Fail: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x563acd73bee0), _486758)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _488616)
   Exit: (211) [system] peek_char((0x563acd73bee0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] get_char((0x563acd73bee0), _504626)
   Exit: (210) [system] get_char((0x563acd73bee0), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x563acd73bee0), _486758)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _510196)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'A')
   Call: (212) [system] 'A'=(;)
   Fail: (212) [system] 'A'=(;)
   Call: (212) [system] 'A'=(/)
   Fail: (212) [system] 'A'=(/)
^  Call: (212) [user] is_like_space('A')
   Call: (213) [system] char_type('A', 'white')
   Fail: (213) [system] char_type('A', 'white')
   Call: (213) [system] char_type('A', end_of_line)
   Fail: (213) [system] char_type('A', end_of_line)
   Call: (213) [system] char_type('A', space)
   Fail: (213) [system] char_type('A', space)
   Call: (213) [system] char_type('A', cntrl)
   Fail: (213) [system] char_type('A', cntrl)
^  Fail: (212) [user] is_like_space('A')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _526206)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'A')
   Call: (211) [system] 'A'=')'
   Fail: (211) [system] 'A'=')'
   Call: (211) [system] 'A'=end_of_file
   Fail: (211) [system] 'A'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x563acd73bee0), _531776)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _533634)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'A')
   Call: (213) [system] 'A'=(;)
   Fail: (213) [system] 'A'=(;)
   Call: (213) [system] 'A'=(/)
   Fail: (213) [system] 'A'=(/)
^  Call: (213) [user] is_like_space('A')
   Call: (214) [system] char_type('A', 'white')
   Fail: (214) [system] char_type('A', 'white')
   Call: (214) [system] char_type('A', end_of_line)
   Fail: (214) [system] char_type('A', end_of_line)
   Call: (214) [system] char_type('A', space)
   Fail: (214) [system] char_type('A', space)
   Call: (214) [system] char_type('A', cntrl)
   Fail: (214) [system] char_type('A', cntrl)
^  Fail: (213) [user] is_like_space('A')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] get_char((0x563acd73bee0), _549644)
   Exit: (212) [system] get_char((0x563acd73bee0), 'A')
   Call: (212) [system] 'A'='('
   Fail: (212) [system] 'A'='('
   Call: (212) [system] 'A'='['
   Fail: (212) [system] 'A'='['
   Call: (212) [system] 'A'='{'
   Fail: (212) [system] 'A'='{'
   Call: (212) [system] 'A'='"'
   Fail: (212) [system] 'A'='"'
   Call: (212) [system] 'A'=!
   Fail: (212) [system] 'A'=!
   Call: (212) [system] 'A'='\''
   Fail: (212) [system] 'A'='\''
   Call: (212) [system] 'A'='`'
   Fail: (212) [system] 'A'='`'
   Call: (212) [system] 'A'=end_of_file
   Fail: (212) [system] 'A'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x563acd73bee0), 'A', _531776)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _567286)
   Call: (214) [system] peek_char((0x563acd73bee0), _568220)
   Exit: (214) [system] peek_char((0x563acd73bee0), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_572940, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_573872, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x563acd73bee0), n)
   Exit: (214) [system] get_char((0x563acd73bee0), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _581222)
   Call: (215) [system] peek_char((0x563acd73bee0), _582156)
   Exit: (215) [system] peek_char((0x563acd73bee0), d)
^  Call: (215) [user] is_delimiter(d)
   Call: (216) [system] char_type(d, space)
   Fail: (216) [system] char_type(d, space)
   Call: (216) [system] arg(_586876, v('(', ')', end_of_file), d)
   Fail: (216) [system] arg(_587808, v('(', ')', end_of_file), d)
^  Fail: (215) [user] is_delimiter(d)
   Call: (215) [system] ')'==d
   Fail: (215) [system] ')'==d
   Call: (215) [system] get_char((0x563acd73bee0), d)
   Exit: (215) [system] get_char((0x563acd73bee0), d)
   Call: (215) [system] d=(\)
   Fail: (215) [system] d=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _595158)
   Call: (216) [system] peek_char((0x563acd73bee0), _596092)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (216) [user] is_delimiter('L')
   Call: (217) [system] char_type('L', space)
   Fail: (217) [system] char_type('L', space)
   Call: (217) [system] arg(_600812, v('(', ')', end_of_file), 'L')
   Fail: (217) [system] arg(_601744, v('(', ')', end_of_file), 'L')
^  Fail: (216) [user] is_delimiter('L')
   Call: (216) [system] ')'=='L'
   Fail: (216) [system] ')'=='L'
   Call: (216) [system] get_char((0x563acd73bee0), 'L')
   Exit: (216) [system] get_char((0x563acd73bee0), 'L')
   Call: (216) [system] 'L'=(\)
   Fail: (216) [system] 'L'=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _609094)
   Call: (217) [system] peek_char((0x563acd73bee0), _610028)
   Exit: (217) [system] peek_char((0x563acd73bee0), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_614748, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_615680, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x563acd73bee0), i)
   Exit: (217) [system] get_char((0x563acd73bee0), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _623030)
   Call: (218) [system] peek_char((0x563acd73bee0), _623964)
   Exit: (218) [system] peek_char((0x563acd73bee0), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_628684, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_629616, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x563acd73bee0), n)
   Exit: (218) [system] get_char((0x563acd73bee0), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _636966)
   Call: (219) [system] peek_char((0x563acd73bee0), _637900)
   Exit: (219) [system] peek_char((0x563acd73bee0), k)
^  Call: (219) [user] is_delimiter(k)
   Call: (220) [system] char_type(k, space)
   Fail: (220) [system] char_type(k, space)
   Call: (220) [system] arg(_642620, v('(', ')', end_of_file), k)
   Fail: (220) [system] arg(_643552, v('(', ')', end_of_file), k)
^  Fail: (219) [user] is_delimiter(k)
   Call: (219) [system] ')'==k
   Fail: (219) [system] ')'==k
   Call: (219) [system] get_char((0x563acd73bee0), k)
   Exit: (219) [system] get_char((0x563acd73bee0), k)
   Call: (219) [system] k=(\)
   Fail: (219) [system] k=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _650902)
   Call: (220) [system] peek_char((0x563acd73bee0), _651836)
   Exit: (220) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _650902=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (219) [system] _636966=[k]
   Exit: (219) [system] [k]=[k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (218) [system] _623030=[n, k]
   Exit: (218) [system] [n, k]=[n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (217) [system] _609094=[i, n, k]
   Exit: (217) [system] [i, n, k]=[i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (216) [system] _595158=['L', i, n, k]
   Exit: (216) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (215) [system] _581222=[d, 'L', i, n, k]
   Exit: (215) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, 'L', i, n, k])
   Call: (214) [system] _567286=[n, d, 'L', i, n, k]
   Exit: (214) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, d, 'L', i, n, k])
^  Call: (213) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _531776)
^  Call: (214) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _677884)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_678836, _678838), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _677884), _678818, fail)), '$restore_trace'(_678836, _678838))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_678836, _678838))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _677884), _678818, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_677884)
   Fail: (215) [system] atomic(_677884)
   Call: (215) [system] atom_chars(_677884, ['A', n, d, 'L', i, n, k])
   Exit: (215) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (214) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (214) [system] integer('AndLink')
   Fail: (214) [system] integer('AndLink')
   Call: (214) [system] _531776='AndLink'
   Exit: (214) [system] 'AndLink'='AndLink'
^  Exit: (213) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (212) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'AndLink')
^  Exit: (211) [user] cont_sexpr(')', (0x563acd73bee0), 'AndLink')
^  Call: (211) [user] read_list(')', (0x563acd73bee0), _692834)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _694692)
   Exit: (213) [system] peek_char((0x563acd73bee0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x563acd73bee0), _704286)
   Exit: (213) [system] get_char((0x563acd73bee0), ' ')
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _706990)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'A')
   Call: (214) [system] 'A'=(;)
   Fail: (214) [system] 'A'=(;)
   Call: (214) [system] 'A'=(/)
   Fail: (214) [system] 'A'=(/)
^  Call: (214) [user] is_like_space('A')
   Call: (215) [system] char_type('A', 'white')
   Fail: (215) [system] char_type('A', 'white')
   Call: (215) [system] char_type('A', end_of_line)
   Fail: (215) [system] char_type('A', end_of_line)
   Call: (215) [system] char_type('A', space)
   Fail: (215) [system] char_type('A', space)
   Call: (215) [system] char_type('A', cntrl)
   Fail: (215) [system] char_type('A', cntrl)
^  Fail: (214) [user] is_like_space('A')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _723924)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'A')
   Call: (212) [system] 'A'=')'
   Fail: (212) [system] 'A'=')'
   Call: (212) [system] 'A'=end_of_file
   Fail: (212) [system] 'A'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x563acd73bee0), _729494)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _731352)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'A')
   Call: (214) [system] 'A'=(;)
   Fail: (214) [system] 'A'=(;)
   Call: (214) [system] 'A'=(/)
   Fail: (214) [system] 'A'=(/)
^  Call: (214) [user] is_like_space('A')
   Call: (215) [system] char_type('A', 'white')
   Fail: (215) [system] char_type('A', 'white')
   Call: (215) [system] char_type('A', end_of_line)
   Fail: (215) [system] char_type('A', end_of_line)
   Call: (215) [system] char_type('A', space)
   Fail: (215) [system] char_type('A', space)
   Call: (215) [system] char_type('A', cntrl)
   Fail: (215) [system] char_type('A', cntrl)
^  Fail: (214) [user] is_like_space('A')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] get_char((0x563acd73bee0), _747362)
   Exit: (213) [system] get_char((0x563acd73bee0), 'A')
   Call: (213) [system] 'A'='('
   Fail: (213) [system] 'A'='('
   Call: (213) [system] 'A'='['
   Fail: (213) [system] 'A'='['
   Call: (213) [system] 'A'='{'
   Fail: (213) [system] 'A'='{'
   Call: (213) [system] 'A'='"'
   Fail: (213) [system] 'A'='"'
   Call: (213) [system] 'A'=!
   Fail: (213) [system] 'A'=!
   Call: (213) [system] 'A'='\''
   Fail: (213) [system] 'A'='\''
   Call: (213) [system] 'A'='`'
   Fail: (213) [system] 'A'='`'
   Call: (213) [system] 'A'=end_of_file
   Fail: (213) [system] 'A'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x563acd73bee0), 'A', _729494)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _765004)
   Call: (215) [system] peek_char((0x563acd73bee0), _765938)
   Exit: (215) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _765004=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (214) [user] classify_and_convert_charseq(['A'], _729494)
^  Call: (215) [user] classify_and_convert_charseq_(['A'], _775222)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_776174, _776176), once(user:catch(read_from_chars(['A'], _775222), _776156, fail)), '$restore_trace'(_776174, _776176))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_776174, _776176))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _775222), _776156, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_775222)
   Fail: (216) [system] atomic(_775222)
   Call: (216) [system] atom_chars(_775222, ['A'])
   Exit: (216) [system] atom_chars('A', ['A'])
^  Exit: (215) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (215) [system] integer('A')
   Fail: (215) [system] integer('A')
   Call: (215) [system] _729494='A'
   Exit: (215) [system] 'A'='A'
^  Exit: (214) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (213) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (212) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (212) [user] read_list(')', (0x563acd73bee0), _790172)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _792030)
   Exit: (214) [system] peek_char((0x563acd73bee0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x563acd73bee0), _801624)
   Exit: (214) [system] get_char((0x563acd73bee0), ' ')
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _804328)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'B')
   Call: (215) [system] 'B'=(;)
   Fail: (215) [system] 'B'=(;)
   Call: (215) [system] 'B'=(/)
   Fail: (215) [system] 'B'=(/)
^  Call: (215) [user] is_like_space('B')
   Call: (216) [system] char_type('B', 'white')
   Fail: (216) [system] char_type('B', 'white')
   Call: (216) [system] char_type('B', end_of_line)
   Fail: (216) [system] char_type('B', end_of_line)
   Call: (216) [system] char_type('B', space)
   Fail: (216) [system] char_type('B', space)
   Call: (216) [system] char_type('B', cntrl)
   Fail: (216) [system] char_type('B', cntrl)
^  Fail: (215) [user] is_like_space('B')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _821262)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'B')
   Call: (213) [system] 'B'=')'
   Fail: (213) [system] 'B'=')'
   Call: (213) [system] 'B'=end_of_file
   Fail: (213) [system] 'B'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x563acd73bee0), _826832)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _828690)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'B')
   Call: (215) [system] 'B'=(;)
   Fail: (215) [system] 'B'=(;)
   Call: (215) [system] 'B'=(/)
   Fail: (215) [system] 'B'=(/)
^  Call: (215) [user] is_like_space('B')
   Call: (216) [system] char_type('B', 'white')
   Fail: (216) [system] char_type('B', 'white')
   Call: (216) [system] char_type('B', end_of_line)
   Fail: (216) [system] char_type('B', end_of_line)
   Call: (216) [system] char_type('B', space)
   Fail: (216) [system] char_type('B', space)
   Call: (216) [system] char_type('B', cntrl)
   Fail: (216) [system] char_type('B', cntrl)
^  Fail: (215) [user] is_like_space('B')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] get_char((0x563acd73bee0), _844700)
   Exit: (214) [system] get_char((0x563acd73bee0), 'B')
   Call: (214) [system] 'B'='('
   Fail: (214) [system] 'B'='('
   Call: (214) [system] 'B'='['
   Fail: (214) [system] 'B'='['
   Call: (214) [system] 'B'='{'
   Fail: (214) [system] 'B'='{'
   Call: (214) [system] 'B'='"'
   Fail: (214) [system] 'B'='"'
   Call: (214) [system] 'B'=!
   Fail: (214) [system] 'B'=!
   Call: (214) [system] 'B'='\''
   Fail: (214) [system] 'B'='\''
   Call: (214) [system] 'B'='`'
   Fail: (214) [system] 'B'='`'
   Call: (214) [system] 'B'=end_of_file
   Fail: (214) [system] 'B'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x563acd73bee0), 'B', _826832)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _862342)
   Call: (216) [system] peek_char((0x563acd73bee0), _863276)
   Exit: (216) [system] peek_char((0x563acd73bee0), ')')
^  Call: (216) [user] is_delimiter(')')
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] arg(_867996, v('(', ')', end_of_file), ')')
   Exit: (217) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (216) [user] is_delimiter(')')
   Call: (216) [system] _862342=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (215) [user] classify_and_convert_charseq(['B'], _826832)
^  Call: (216) [user] classify_and_convert_charseq_(['B'], _874432)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_875384, _875386), once(user:catch(read_from_chars(['B'], _874432), _875366, fail)), '$restore_trace'(_875384, _875386))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_875384, _875386))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _874432), _875366, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_874432)
   Fail: (217) [system] atomic(_874432)
   Call: (217) [system] atom_chars(_874432, ['B'])
   Exit: (217) [system] atom_chars('B', ['B'])
^  Exit: (216) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (216) [system] integer('B')
   Fail: (216) [system] integer('B')
   Call: (216) [system] _826832='B'
   Exit: (216) [system] 'B'='B'
^  Exit: (215) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (214) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (213) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (213) [user] read_list(')', (0x563acd73bee0), _889382)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _891240)
   Exit: (215) [system] peek_char((0x563acd73bee0), ')')
   Call: (215) [system] ')'=(;)
   Fail: (215) [system] ')'=(;)
   Call: (215) [system] ')'=(/)
   Fail: (215) [system] ')'=(/)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Fail: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Fail: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
   Fail: (216) [system] char_type(')', cntrl)
^  Fail: (215) [user] is_like_space(')')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _907250)
   Exit: (214) [system] peek_char((0x563acd73bee0), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x563acd73bee0), _911040)
   Exit: (214) [system] get_char((0x563acd73bee0), ')')
   Call: (214) [system] _889382=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x563acd73bee0), [])
   Call: (213) [system] _790172=['B']
   Exit: (213) [system] ['B']=['B']
^  Exit: (212) [user] read_list(')', (0x563acd73bee0), ['B'])
   Call: (212) [system] _692834=['A', 'B']
   Exit: (212) [system] ['A', 'B']=['A', 'B']
^  Exit: (211) [user] read_list(')', (0x563acd73bee0), ['A', 'B'])
   Call: (211) [system] _486758=['AndLink', 'A', 'B']
   Exit: (211) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (210) [user] read_list(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Exit: (209) [user] cont_sexpr(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Call: (209) [user] read_list(')', (0x563acd73bee0), _924922)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _926780)
   Exit: (211) [system] peek_char((0x563acd73bee0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x563acd73bee0), _936374)
   Exit: (211) [system] get_char((0x563acd73bee0), ' ')
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _939078)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'C')
   Call: (212) [system] 'C'=(;)
   Fail: (212) [system] 'C'=(;)
   Call: (212) [system] 'C'=(/)
   Fail: (212) [system] 'C'=(/)
^  Call: (212) [user] is_like_space('C')
   Call: (213) [system] char_type('C', 'white')
   Fail: (213) [system] char_type('C', 'white')
   Call: (213) [system] char_type('C', end_of_line)
   Fail: (213) [system] char_type('C', end_of_line)
   Call: (213) [system] char_type('C', space)
   Fail: (213) [system] char_type('C', space)
   Call: (213) [system] char_type('C', cntrl)
   Fail: (213) [system] char_type('C', cntrl)
^  Fail: (212) [user] is_like_space('C')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _956012)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'C')
   Call: (210) [system] 'C'=')'
   Fail: (210) [system] 'C'=')'
   Call: (210) [system] 'C'=end_of_file
   Fail: (210) [system] 'C'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x563acd73bee0), _961582)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _963440)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'C')
   Call: (212) [system] 'C'=(;)
   Fail: (212) [system] 'C'=(;)
   Call: (212) [system] 'C'=(/)
   Fail: (212) [system] 'C'=(/)
^  Call: (212) [user] is_like_space('C')
   Call: (213) [system] char_type('C', 'white')
   Fail: (213) [system] char_type('C', 'white')
   Call: (213) [system] char_type('C', end_of_line)
   Fail: (213) [system] char_type('C', end_of_line)
   Call: (213) [system] char_type('C', space)
   Fail: (213) [system] char_type('C', space)
   Call: (213) [system] char_type('C', cntrl)
   Fail: (213) [system] char_type('C', cntrl)
^  Fail: (212) [user] is_like_space('C')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] get_char((0x563acd73bee0), _979450)
   Exit: (211) [system] get_char((0x563acd73bee0), 'C')
   Call: (211) [system] 'C'='('
   Fail: (211) [system] 'C'='('
   Call: (211) [system] 'C'='['
   Fail: (211) [system] 'C'='['
   Call: (211) [system] 'C'='{'
   Fail: (211) [system] 'C'='{'
   Call: (211) [system] 'C'='"'
   Fail: (211) [system] 'C'='"'
   Call: (211) [system] 'C'=!
   Fail: (211) [system] 'C'=!
   Call: (211) [system] 'C'='\''
   Fail: (211) [system] 'C'='\''
   Call: (211) [system] 'C'='`'
   Fail: (211) [system] 'C'='`'
   Call: (211) [system] 'C'=end_of_file
   Fail: (211) [system] 'C'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x563acd73bee0), 'C', _961582)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _997092)
   Call: (213) [system] peek_char((0x563acd73bee0), _998026)
   Exit: (213) [system] peek_char((0x563acd73bee0), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_1002746, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _997092=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (212) [user] classify_and_convert_charseq(['C'], _961582)
^  Call: (213) [user] classify_and_convert_charseq_(['C'], _1009182)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_1010134, _1010136), once(user:catch(read_from_chars(['C'], _1009182), _1010116, fail)), '$restore_trace'(_1010134, _1010136))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_1010134, _1010136))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1009182), _1010116, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_1009182)
   Fail: (214) [system] atomic(_1009182)
   Call: (214) [system] atom_chars(_1009182, ['C'])
   Exit: (214) [system] atom_chars('C', ['C'])
^  Exit: (213) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (213) [system] integer('C')
   Fail: (213) [system] integer('C')
   Call: (213) [system] _961582='C'
   Exit: (213) [system] 'C'='C'
^  Exit: (212) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (211) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (210) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (210) [user] read_list(')', (0x563acd73bee0), _1024132)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1025990)
   Exit: (212) [system] peek_char((0x563acd73bee0), ')')
   Call: (212) [system] ')'=(;)
   Fail: (212) [system] ')'=(;)
   Call: (212) [system] ')'=(/)
   Fail: (212) [system] ')'=(/)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Fail: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Fail: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
   Fail: (213) [system] char_type(')', cntrl)
^  Fail: (212) [user] is_like_space(')')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1042000)
   Exit: (211) [system] peek_char((0x563acd73bee0), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x563acd73bee0), _1045790)
   Exit: (211) [system] get_char((0x563acd73bee0), ')')
   Call: (211) [system] _1024132=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x563acd73bee0), [])
   Call: (210) [system] _924922=['C']
   Exit: (210) [system] ['C']=['C']
^  Exit: (209) [user] read_list(')', (0x563acd73bee0), ['C'])
   Call: (209) [system] _450098=[['AndLink', 'A', 'B'], 'C']
   Exit: (209) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (208) [user] read_list(')', (0x563acd73bee0), [['AndLink', 'A', 'B'], 'C'])
   Call: (208) [system] _177102=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (208) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (207) [user] read_list(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (206) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (206) [user] read_list(')', (0x563acd73bee0), _1059672)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1061530)
   Exit: (208) [system] peek_char((0x563acd73bee0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x563acd73bee0), _1071124)
   Exit: (208) [system] get_char((0x563acd73bee0), ' ')
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1073828)
   Exit: (209) [system] peek_char((0x563acd73bee0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1090762)
   Exit: (207) [system] peek_char((0x563acd73bee0), '(')
   Call: (207) [system] '('=')'
   Fail: (207) [system] '('=')'
   Call: (207) [system] '('=end_of_file
   Fail: (207) [system] '('=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x563acd73bee0), _1096332)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1098190)
   Exit: (209) [system] peek_char((0x563acd73bee0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] get_char((0x563acd73bee0), _1114200)
   Exit: (208) [system] get_char((0x563acd73bee0), '(')
   Call: (208) [system] '('='('
   Exit: (208) [system] '('='('
^  Call: (208) [user] read_list(')', (0x563acd73bee0), _1096332)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1119770)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'O')
   Call: (210) [system] 'O'=(;)
   Fail: (210) [system] 'O'=(;)
   Call: (210) [system] 'O'=(/)
   Fail: (210) [system] 'O'=(/)
^  Call: (210) [user] is_like_space('O')
   Call: (211) [system] char_type('O', 'white')
   Fail: (211) [system] char_type('O', 'white')
   Call: (211) [system] char_type('O', end_of_line)
   Fail: (211) [system] char_type('O', end_of_line)
   Call: (211) [system] char_type('O', space)
   Fail: (211) [system] char_type('O', space)
   Call: (211) [system] char_type('O', cntrl)
   Fail: (211) [system] char_type('O', cntrl)
^  Fail: (210) [user] is_like_space('O')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1135780)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'O')
   Call: (209) [system] 'O'=')'
   Fail: (209) [system] 'O'=')'
   Call: (209) [system] 'O'=end_of_file
   Fail: (209) [system] 'O'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x563acd73bee0), _1141350)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1143208)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'O')
   Call: (211) [system] 'O'=(;)
   Fail: (211) [system] 'O'=(;)
   Call: (211) [system] 'O'=(/)
   Fail: (211) [system] 'O'=(/)
^  Call: (211) [user] is_like_space('O')
   Call: (212) [system] char_type('O', 'white')
   Fail: (212) [system] char_type('O', 'white')
   Call: (212) [system] char_type('O', end_of_line)
   Fail: (212) [system] char_type('O', end_of_line)
   Call: (212) [system] char_type('O', space)
   Fail: (212) [system] char_type('O', space)
   Call: (212) [system] char_type('O', cntrl)
   Fail: (212) [system] char_type('O', cntrl)
^  Fail: (211) [user] is_like_space('O')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] get_char((0x563acd73bee0), _1159218)
   Exit: (210) [system] get_char((0x563acd73bee0), 'O')
   Call: (210) [system] 'O'='('
   Fail: (210) [system] 'O'='('
   Call: (210) [system] 'O'='['
   Fail: (210) [system] 'O'='['
   Call: (210) [system] 'O'='{'
   Fail: (210) [system] 'O'='{'
   Call: (210) [system] 'O'='"'
   Fail: (210) [system] 'O'='"'
   Call: (210) [system] 'O'=!
   Fail: (210) [system] 'O'=!
   Call: (210) [system] 'O'='\''
   Fail: (210) [system] 'O'='\''
   Call: (210) [system] 'O'='`'
   Fail: (210) [system] 'O'='`'
   Call: (210) [system] 'O'=end_of_file
   Fail: (210) [system] 'O'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x563acd73bee0), 'O', _1141350)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1176860)
   Call: (212) [system] peek_char((0x563acd73bee0), _1177794)
   Exit: (212) [system] peek_char((0x563acd73bee0), r)
^  Call: (212) [user] is_delimiter(r)
   Call: (213) [system] char_type(r, space)
   Fail: (213) [system] char_type(r, space)
   Call: (213) [system] arg(_1182514, v('(', ')', end_of_file), r)
   Fail: (213) [system] arg(_1183446, v('(', ')', end_of_file), r)
^  Fail: (212) [user] is_delimiter(r)
   Call: (212) [system] ')'==r
   Fail: (212) [system] ')'==r
   Call: (212) [system] get_char((0x563acd73bee0), r)
   Exit: (212) [system] get_char((0x563acd73bee0), r)
   Call: (212) [system] r=(\)
   Fail: (212) [system] r=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _1190796)
   Call: (213) [system] peek_char((0x563acd73bee0), _1191730)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (213) [user] is_delimiter('L')
   Call: (214) [system] char_type('L', space)
   Fail: (214) [system] char_type('L', space)
   Call: (214) [system] arg(_1196450, v('(', ')', end_of_file), 'L')
   Fail: (214) [system] arg(_1197382, v('(', ')', end_of_file), 'L')
^  Fail: (213) [user] is_delimiter('L')
   Call: (213) [system] ')'=='L'
   Fail: (213) [system] ')'=='L'
   Call: (213) [system] get_char((0x563acd73bee0), 'L')
   Exit: (213) [system] get_char((0x563acd73bee0), 'L')
   Call: (213) [system] 'L'=(\)
   Fail: (213) [system] 'L'=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _1204732)
   Call: (214) [system] peek_char((0x563acd73bee0), _1205666)
   Exit: (214) [system] peek_char((0x563acd73bee0), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Fail: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_1210386, v('(', ')', end_of_file), i)
   Fail: (215) [system] arg(_1211318, v('(', ')', end_of_file), i)
^  Fail: (214) [user] is_delimiter(i)
   Call: (214) [system] ')'==i
   Fail: (214) [system] ')'==i
   Call: (214) [system] get_char((0x563acd73bee0), i)
   Exit: (214) [system] get_char((0x563acd73bee0), i)
   Call: (214) [system] i=(\)
   Fail: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _1218668)
   Call: (215) [system] peek_char((0x563acd73bee0), _1219602)
   Exit: (215) [system] peek_char((0x563acd73bee0), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_1224322, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_1225254, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x563acd73bee0), n)
   Exit: (215) [system] get_char((0x563acd73bee0), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _1232604)
   Call: (216) [system] peek_char((0x563acd73bee0), _1233538)
   Exit: (216) [system] peek_char((0x563acd73bee0), k)
^  Call: (216) [user] is_delimiter(k)
   Call: (217) [system] char_type(k, space)
   Fail: (217) [system] char_type(k, space)
   Call: (217) [system] arg(_1238258, v('(', ')', end_of_file), k)
   Fail: (217) [system] arg(_1239190, v('(', ')', end_of_file), k)
^  Fail: (216) [user] is_delimiter(k)
   Call: (216) [system] ')'==k
   Fail: (216) [system] ')'==k
   Call: (216) [system] get_char((0x563acd73bee0), k)
   Exit: (216) [system] get_char((0x563acd73bee0), k)
   Call: (216) [system] k=(\)
   Fail: (216) [system] k=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _1246540)
   Call: (217) [system] peek_char((0x563acd73bee0), _1247474)
   Exit: (217) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _1246540=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (216) [system] _1232604=[k]
   Exit: (216) [system] [k]=[k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (215) [system] _1218668=[n, k]
   Exit: (215) [system] [n, k]=[n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (214) [system] _1204732=[i, n, k]
   Exit: (214) [system] [i, n, k]=[i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (213) [system] _1190796=['L', i, n, k]
   Exit: (213) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (212) [system] _1176860=[r, 'L', i, n, k]
   Exit: (212) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (211) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1141350)
^  Call: (212) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1270728)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_1271680, _1271682), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1270728), _1271662, fail)), '$restore_trace'(_1271680, _1271682))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_1271680, _1271682))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1270728), _1271662, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_1270728)
   Fail: (213) [system] atomic(_1270728)
   Call: (213) [system] atom_chars(_1270728, ['O', r, 'L', i, n, k])
   Exit: (213) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (212) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (212) [system] integer('OrLink')
   Fail: (212) [system] integer('OrLink')
   Call: (212) [system] _1141350='OrLink'
   Exit: (212) [system] 'OrLink'='OrLink'
^  Exit: (211) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (210) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (209) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (209) [user] read_list(')', (0x563acd73bee0), _1285678)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1287536)
   Exit: (211) [system] peek_char((0x563acd73bee0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x563acd73bee0), _1297130)
   Exit: (211) [system] get_char((0x563acd73bee0), ' ')
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1299834)
   Exit: (212) [system] peek_char((0x563acd73bee0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1316768)
   Exit: (210) [system] peek_char((0x563acd73bee0), '(')
   Call: (210) [system] '('=')'
   Fail: (210) [system] '('=')'
   Call: (210) [system] '('=end_of_file
   Fail: (210) [system] '('=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x563acd73bee0), _1322338)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1324196)
   Exit: (212) [system] peek_char((0x563acd73bee0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] get_char((0x563acd73bee0), _1340206)
   Exit: (211) [system] get_char((0x563acd73bee0), '(')
   Call: (211) [system] '('='('
   Exit: (211) [system] '('='('
^  Call: (211) [user] read_list(')', (0x563acd73bee0), _1322338)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1345776)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'I')
   Call: (213) [system] 'I'=(;)
   Fail: (213) [system] 'I'=(;)
   Call: (213) [system] 'I'=(/)
   Fail: (213) [system] 'I'=(/)
^  Call: (213) [user] is_like_space('I')
   Call: (214) [system] char_type('I', 'white')
   Fail: (214) [system] char_type('I', 'white')
   Call: (214) [system] char_type('I', end_of_line)
   Fail: (214) [system] char_type('I', end_of_line)
   Call: (214) [system] char_type('I', space)
   Fail: (214) [system] char_type('I', space)
   Call: (214) [system] char_type('I', cntrl)
   Fail: (214) [system] char_type('I', cntrl)
^  Fail: (213) [user] is_like_space('I')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1361786)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'I')
   Call: (212) [system] 'I'=')'
   Fail: (212) [system] 'I'=')'
   Call: (212) [system] 'I'=end_of_file
   Fail: (212) [system] 'I'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x563acd73bee0), _1367356)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1369214)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'I')
   Call: (214) [system] 'I'=(;)
   Fail: (214) [system] 'I'=(;)
   Call: (214) [system] 'I'=(/)
   Fail: (214) [system] 'I'=(/)
^  Call: (214) [user] is_like_space('I')
   Call: (215) [system] char_type('I', 'white')
   Fail: (215) [system] char_type('I', 'white')
   Call: (215) [system] char_type('I', end_of_line)
   Fail: (215) [system] char_type('I', end_of_line)
   Call: (215) [system] char_type('I', space)
   Fail: (215) [system] char_type('I', space)
   Call: (215) [system] char_type('I', cntrl)
   Fail: (215) [system] char_type('I', cntrl)
^  Fail: (214) [user] is_like_space('I')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] get_char((0x563acd73bee0), _1385224)
   Exit: (213) [system] get_char((0x563acd73bee0), 'I')
   Call: (213) [system] 'I'='('
   Fail: (213) [system] 'I'='('
   Call: (213) [system] 'I'='['
   Fail: (213) [system] 'I'='['
   Call: (213) [system] 'I'='{'
   Fail: (213) [system] 'I'='{'
   Call: (213) [system] 'I'='"'
   Fail: (213) [system] 'I'='"'
   Call: (213) [system] 'I'=!
   Fail: (213) [system] 'I'=!
   Call: (213) [system] 'I'='\''
   Fail: (213) [system] 'I'='\''
   Call: (213) [system] 'I'='`'
   Fail: (213) [system] 'I'='`'
   Call: (213) [system] 'I'=end_of_file
   Fail: (213) [system] 'I'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x563acd73bee0), 'I', _1367356)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _1402866)
   Call: (215) [system] peek_char((0x563acd73bee0), _1403800)
   Exit: (215) [system] peek_char((0x563acd73bee0), m)
^  Call: (215) [user] is_delimiter(m)
   Call: (216) [system] char_type(m, space)
   Fail: (216) [system] char_type(m, space)
   Call: (216) [system] arg(_1408520, v('(', ')', end_of_file), m)
   Fail: (216) [system] arg(_1409452, v('(', ')', end_of_file), m)
^  Fail: (215) [user] is_delimiter(m)
   Call: (215) [system] ')'==m
   Fail: (215) [system] ')'==m
   Call: (215) [system] get_char((0x563acd73bee0), m)
   Exit: (215) [system] get_char((0x563acd73bee0), m)
   Call: (215) [system] m=(\)
   Fail: (215) [system] m=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _1416802)
   Call: (216) [system] peek_char((0x563acd73bee0), _1417736)
   Exit: (216) [system] peek_char((0x563acd73bee0), p)
^  Call: (216) [user] is_delimiter(p)
   Call: (217) [system] char_type(p, space)
   Fail: (217) [system] char_type(p, space)
   Call: (217) [system] arg(_1422456, v('(', ')', end_of_file), p)
   Fail: (217) [system] arg(_1423388, v('(', ')', end_of_file), p)
^  Fail: (216) [user] is_delimiter(p)
   Call: (216) [system] ')'==p
   Fail: (216) [system] ')'==p
   Call: (216) [system] get_char((0x563acd73bee0), p)
   Exit: (216) [system] get_char((0x563acd73bee0), p)
   Call: (216) [system] p=(\)
   Fail: (216) [system] p=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _1430738)
   Call: (217) [system] peek_char((0x563acd73bee0), _1431672)
   Exit: (217) [system] peek_char((0x563acd73bee0), l)
^  Call: (217) [user] is_delimiter(l)
   Call: (218) [system] char_type(l, space)
   Fail: (218) [system] char_type(l, space)
   Call: (218) [system] arg(_1436392, v('(', ')', end_of_file), l)
   Fail: (218) [system] arg(_1437324, v('(', ')', end_of_file), l)
^  Fail: (217) [user] is_delimiter(l)
   Call: (217) [system] ')'==l
   Fail: (217) [system] ')'==l
   Call: (217) [system] get_char((0x563acd73bee0), l)
   Exit: (217) [system] get_char((0x563acd73bee0), l)
   Call: (217) [system] l=(\)
   Fail: (217) [system] l=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _1444674)
   Call: (218) [system] peek_char((0x563acd73bee0), _1445608)
   Exit: (218) [system] peek_char((0x563acd73bee0), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Fail: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_1450328, v('(', ')', end_of_file), i)
   Fail: (219) [system] arg(_1451260, v('(', ')', end_of_file), i)
^  Fail: (218) [user] is_delimiter(i)
   Call: (218) [system] ')'==i
   Fail: (218) [system] ')'==i
   Call: (218) [system] get_char((0x563acd73bee0), i)
   Exit: (218) [system] get_char((0x563acd73bee0), i)
   Call: (218) [system] i=(\)
   Fail: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _1458610)
   Call: (219) [system] peek_char((0x563acd73bee0), _1459544)
   Exit: (219) [system] peek_char((0x563acd73bee0), c)
^  Call: (219) [user] is_delimiter(c)
   Call: (220) [system] char_type(c, space)
   Fail: (220) [system] char_type(c, space)
   Call: (220) [system] arg(_1464264, v('(', ')', end_of_file), c)
   Fail: (220) [system] arg(_1465196, v('(', ')', end_of_file), c)
^  Fail: (219) [user] is_delimiter(c)
   Call: (219) [system] ')'==c
   Fail: (219) [system] ')'==c
   Call: (219) [system] get_char((0x563acd73bee0), c)
   Exit: (219) [system] get_char((0x563acd73bee0), c)
   Call: (219) [system] c=(\)
   Fail: (219) [system] c=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _1472546)
   Call: (220) [system] peek_char((0x563acd73bee0), _1473480)
   Exit: (220) [system] peek_char((0x563acd73bee0), a)
^  Call: (220) [user] is_delimiter(a)
   Call: (221) [system] char_type(a, space)
   Fail: (221) [system] char_type(a, space)
   Call: (221) [system] arg(_1478200, v('(', ')', end_of_file), a)
   Fail: (221) [system] arg(_1479132, v('(', ')', end_of_file), a)
^  Fail: (220) [user] is_delimiter(a)
   Call: (220) [system] ')'==a
   Fail: (220) [system] ')'==a
   Call: (220) [system] get_char((0x563acd73bee0), a)
   Exit: (220) [system] get_char((0x563acd73bee0), a)
   Call: (220) [system] a=(\)
   Fail: (220) [system] a=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _1486482)
   Call: (221) [system] peek_char((0x563acd73bee0), _1487416)
   Exit: (221) [system] peek_char((0x563acd73bee0), t)
^  Call: (221) [user] is_delimiter(t)
   Call: (222) [system] char_type(t, space)
   Fail: (222) [system] char_type(t, space)
   Call: (222) [system] arg(_1492136, v('(', ')', end_of_file), t)
   Fail: (222) [system] arg(_1493068, v('(', ')', end_of_file), t)
^  Fail: (221) [user] is_delimiter(t)
   Call: (221) [system] ')'==t
   Fail: (221) [system] ')'==t
   Call: (221) [system] get_char((0x563acd73bee0), t)
   Exit: (221) [system] get_char((0x563acd73bee0), t)
   Call: (221) [system] t=(\)
   Fail: (221) [system] t=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _1500418)
   Call: (222) [system] peek_char((0x563acd73bee0), _1501352)
   Exit: (222) [system] peek_char((0x563acd73bee0), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_1506072, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_1507004, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x563acd73bee0), i)
   Exit: (222) [system] get_char((0x563acd73bee0), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _1514354)
   Call: (223) [system] peek_char((0x563acd73bee0), _1515288)
   Exit: (223) [system] peek_char((0x563acd73bee0), o)
^  Call: (223) [user] is_delimiter(o)
   Call: (224) [system] char_type(o, space)
   Fail: (224) [system] char_type(o, space)
   Call: (224) [system] arg(_1520008, v('(', ')', end_of_file), o)
   Fail: (224) [system] arg(_1520940, v('(', ')', end_of_file), o)
^  Fail: (223) [user] is_delimiter(o)
   Call: (223) [system] ')'==o
   Fail: (223) [system] ')'==o
   Call: (223) [system] get_char((0x563acd73bee0), o)
   Exit: (223) [system] get_char((0x563acd73bee0), o)
   Call: (223) [system] o=(\)
   Fail: (223) [system] o=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _1528290)
   Call: (224) [system] peek_char((0x563acd73bee0), _1529224)
   Exit: (224) [system] peek_char((0x563acd73bee0), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_1533944, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_1534876, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x563acd73bee0), n)
   Exit: (224) [system] get_char((0x563acd73bee0), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _1542226)
   Call: (225) [system] peek_char((0x563acd73bee0), _1543160)
   Exit: (225) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _1542226=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (224) [system] _1528290=[n]
   Exit: (224) [system] [n]=[n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (223) [system] _1514354=[o, n]
   Exit: (223) [system] [o, n]=[o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (222) [system] _1500418=[i, o, n]
   Exit: (222) [system] [i, o, n]=[i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (221) [system] _1486482=[t, i, o, n]
   Exit: (221) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (220) [system] _1472546=[a, t, i, o, n]
   Exit: (220) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (219) [system] _1458610=[c, a, t, i, o, n]
   Exit: (219) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (218) [system] _1444674=[i, c, a, t, i, o, n]
   Exit: (218) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (217) [system] _1430738=[l, i, c, a, t, i, o, n]
   Exit: (217) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (216) [system] _1416802=[p, l, i, c, a, t, i, o, n]
   Exit: (216) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (215) [system] _1402866=[m, p, l, i, c, a, t, i, o, n]
   Exit: (215) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (214) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1367356)
^  Call: (215) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1580384)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_1581336, _1581338), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1580384), _1581318, fail)), '$restore_trace'(_1581336, _1581338))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_1581336, _1581338))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1580384), _1581318, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_1580384)
   Fail: (216) [system] atomic(_1580384)
   Call: (216) [system] atom_chars(_1580384, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (216) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (215) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (215) [system] integer('Implication')
   Fail: (215) [system] integer('Implication')
   Call: (215) [system] _1367356='Implication'
   Exit: (215) [system] 'Implication'='Implication'
^  Exit: (214) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (213) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (212) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (212) [user] read_list(')', (0x563acd73bee0), _1595334)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1597192)
   Exit: (214) [system] peek_char((0x563acd73bee0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x563acd73bee0), _1606786)
   Exit: (214) [system] get_char((0x563acd73bee0), ' ')
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1609490)
   Exit: (215) [system] peek_char((0x563acd73bee0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1626424)
   Exit: (213) [system] peek_char((0x563acd73bee0), '(')
   Call: (213) [system] '('=')'
   Fail: (213) [system] '('=')'
   Call: (213) [system] '('=end_of_file
   Fail: (213) [system] '('=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x563acd73bee0), _1631994)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1633852)
   Exit: (215) [system] peek_char((0x563acd73bee0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] get_char((0x563acd73bee0), _1649862)
   Exit: (214) [system] get_char((0x563acd73bee0), '(')
   Call: (214) [system] '('='('
   Exit: (214) [system] '('='('
^  Call: (214) [user] read_list(')', (0x563acd73bee0), _1631994)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1655432)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'A')
   Call: (216) [system] 'A'=(;)
   Fail: (216) [system] 'A'=(;)
   Call: (216) [system] 'A'=(/)
   Fail: (216) [system] 'A'=(/)
^  Call: (216) [user] is_like_space('A')
   Call: (217) [system] char_type('A', 'white')
   Fail: (217) [system] char_type('A', 'white')
   Call: (217) [system] char_type('A', end_of_line)
   Fail: (217) [system] char_type('A', end_of_line)
   Call: (217) [system] char_type('A', space)
   Fail: (217) [system] char_type('A', space)
   Call: (217) [system] char_type('A', cntrl)
   Fail: (217) [system] char_type('A', cntrl)
^  Fail: (216) [user] is_like_space('A')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1671442)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'A')
   Call: (215) [system] 'A'=')'
   Fail: (215) [system] 'A'=')'
   Call: (215) [system] 'A'=end_of_file
   Fail: (215) [system] 'A'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x563acd73bee0), _1677012)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1678870)
   Exit: (217) [system] peek_char((0x563acd73bee0), 'A')
   Call: (217) [system] 'A'=(;)
   Fail: (217) [system] 'A'=(;)
   Call: (217) [system] 'A'=(/)
   Fail: (217) [system] 'A'=(/)
^  Call: (217) [user] is_like_space('A')
   Call: (218) [system] char_type('A', 'white')
   Fail: (218) [system] char_type('A', 'white')
   Call: (218) [system] char_type('A', end_of_line)
   Fail: (218) [system] char_type('A', end_of_line)
   Call: (218) [system] char_type('A', space)
   Fail: (218) [system] char_type('A', space)
   Call: (218) [system] char_type('A', cntrl)
   Fail: (218) [system] char_type('A', cntrl)
^  Fail: (217) [user] is_like_space('A')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] get_char((0x563acd73bee0), _1694880)
   Exit: (216) [system] get_char((0x563acd73bee0), 'A')
   Call: (216) [system] 'A'='('
   Fail: (216) [system] 'A'='('
   Call: (216) [system] 'A'='['
   Fail: (216) [system] 'A'='['
   Call: (216) [system] 'A'='{'
   Fail: (216) [system] 'A'='{'
   Call: (216) [system] 'A'='"'
   Fail: (216) [system] 'A'='"'
   Call: (216) [system] 'A'=!
   Fail: (216) [system] 'A'=!
   Call: (216) [system] 'A'='\''
   Fail: (216) [system] 'A'='\''
   Call: (216) [system] 'A'='`'
   Fail: (216) [system] 'A'='`'
   Call: (216) [system] 'A'=end_of_file
   Fail: (216) [system] 'A'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x563acd73bee0), 'A', _1677012)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _1712522)
   Call: (218) [system] peek_char((0x563acd73bee0), _1713456)
   Exit: (218) [system] peek_char((0x563acd73bee0), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_1718176, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_1719108, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x563acd73bee0), n)
   Exit: (218) [system] get_char((0x563acd73bee0), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _1726458)
   Call: (219) [system] peek_char((0x563acd73bee0), _1727392)
   Exit: (219) [system] peek_char((0x563acd73bee0), d)
^  Call: (219) [user] is_delimiter(d)
   Call: (220) [system] char_type(d, space)
   Fail: (220) [system] char_type(d, space)
   Call: (220) [system] arg(_1732112, v('(', ')', end_of_file), d)
   Fail: (220) [system] arg(_1733044, v('(', ')', end_of_file), d)
^  Fail: (219) [user] is_delimiter(d)
   Call: (219) [system] ')'==d
   Fail: (219) [system] ')'==d
   Call: (219) [system] get_char((0x563acd73bee0), d)
   Exit: (219) [system] get_char((0x563acd73bee0), d)
   Call: (219) [system] d=(\)
   Fail: (219) [system] d=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _1740394)
   Call: (220) [system] peek_char((0x563acd73bee0), _1741328)
   Exit: (220) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (220) [user] is_delimiter('L')
   Call: (221) [system] char_type('L', space)
   Fail: (221) [system] char_type('L', space)
   Call: (221) [system] arg(_1746048, v('(', ')', end_of_file), 'L')
   Fail: (221) [system] arg(_1746980, v('(', ')', end_of_file), 'L')
^  Fail: (220) [user] is_delimiter('L')
   Call: (220) [system] ')'=='L'
   Fail: (220) [system] ')'=='L'
   Call: (220) [system] get_char((0x563acd73bee0), 'L')
   Exit: (220) [system] get_char((0x563acd73bee0), 'L')
   Call: (220) [system] 'L'=(\)
   Fail: (220) [system] 'L'=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _1754330)
   Call: (221) [system] peek_char((0x563acd73bee0), _1755264)
   Exit: (221) [system] peek_char((0x563acd73bee0), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_1759984, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_1760916, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x563acd73bee0), i)
   Exit: (221) [system] get_char((0x563acd73bee0), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _1768266)
   Call: (222) [system] peek_char((0x563acd73bee0), _1769200)
   Exit: (222) [system] peek_char((0x563acd73bee0), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_1773920, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_1774852, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x563acd73bee0), n)
   Exit: (222) [system] get_char((0x563acd73bee0), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _1782202)
   Call: (223) [system] peek_char((0x563acd73bee0), _1783136)
   Exit: (223) [system] peek_char((0x563acd73bee0), k)
^  Call: (223) [user] is_delimiter(k)
   Call: (224) [system] char_type(k, space)
   Fail: (224) [system] char_type(k, space)
   Call: (224) [system] arg(_1787856, v('(', ')', end_of_file), k)
   Fail: (224) [system] arg(_1788788, v('(', ')', end_of_file), k)
^  Fail: (223) [user] is_delimiter(k)
   Call: (223) [system] ')'==k
   Fail: (223) [system] ')'==k
   Call: (223) [system] get_char((0x563acd73bee0), k)
   Exit: (223) [system] get_char((0x563acd73bee0), k)
   Call: (223) [system] k=(\)
   Fail: (223) [system] k=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _1796138)
   Call: (224) [system] peek_char((0x563acd73bee0), _1797072)
   Exit: (224) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _1796138=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (223) [system] _1782202=[k]
   Exit: (223) [system] [k]=[k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (222) [system] _1768266=[n, k]
   Exit: (222) [system] [n, k]=[n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (221) [system] _1754330=[i, n, k]
   Exit: (221) [system] [i, n, k]=[i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (220) [system] _1740394=['L', i, n, k]
   Exit: (220) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (219) [system] _1726458=[d, 'L', i, n, k]
   Exit: (219) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, 'L', i, n, k])
   Call: (218) [system] _1712522=[n, d, 'L', i, n, k]
   Exit: (218) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, d, 'L', i, n, k])
^  Call: (217) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1677012)
^  Call: (218) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1823120)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_1824072, _1824074), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1823120), _1824054, fail)), '$restore_trace'(_1824072, _1824074))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_1824072, _1824074))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1823120), _1824054, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_1823120)
   Fail: (219) [system] atomic(_1823120)
   Call: (219) [system] atom_chars(_1823120, ['A', n, d, 'L', i, n, k])
   Exit: (219) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (218) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (218) [system] integer('AndLink')
   Fail: (218) [system] integer('AndLink')
   Call: (218) [system] _1677012='AndLink'
   Exit: (218) [system] 'AndLink'='AndLink'
^  Exit: (217) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (216) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'AndLink')
^  Exit: (215) [user] cont_sexpr(')', (0x563acd73bee0), 'AndLink')
^  Call: (215) [user] read_list(')', (0x563acd73bee0), _1838070)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1839928)
   Exit: (217) [system] peek_char((0x563acd73bee0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x563acd73bee0), _1849522)
   Exit: (217) [system] get_char((0x563acd73bee0), ' ')
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _1852226)
   Exit: (218) [system] peek_char((0x563acd73bee0), 'A')
   Call: (218) [system] 'A'=(;)
   Fail: (218) [system] 'A'=(;)
   Call: (218) [system] 'A'=(/)
   Fail: (218) [system] 'A'=(/)
^  Call: (218) [user] is_like_space('A')
   Call: (219) [system] char_type('A', 'white')
   Fail: (219) [system] char_type('A', 'white')
   Call: (219) [system] char_type('A', end_of_line)
   Fail: (219) [system] char_type('A', end_of_line)
   Call: (219) [system] char_type('A', space)
   Fail: (219) [system] char_type('A', space)
   Call: (219) [system] char_type('A', cntrl)
   Fail: (219) [system] char_type('A', cntrl)
^  Fail: (218) [user] is_like_space('A')
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1869160)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'A')
   Call: (216) [system] 'A'=')'
   Fail: (216) [system] 'A'=')'
   Call: (216) [system] 'A'=end_of_file
   Fail: (216) [system] 'A'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x563acd73bee0), _1874730)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _1876588)
   Exit: (218) [system] peek_char((0x563acd73bee0), 'A')
   Call: (218) [system] 'A'=(;)
   Fail: (218) [system] 'A'=(;)
   Call: (218) [system] 'A'=(/)
   Fail: (218) [system] 'A'=(/)
^  Call: (218) [user] is_like_space('A')
   Call: (219) [system] char_type('A', 'white')
   Fail: (219) [system] char_type('A', 'white')
   Call: (219) [system] char_type('A', end_of_line)
   Fail: (219) [system] char_type('A', end_of_line)
   Call: (219) [system] char_type('A', space)
   Fail: (219) [system] char_type('A', space)
   Call: (219) [system] char_type('A', cntrl)
   Fail: (219) [system] char_type('A', cntrl)
^  Fail: (218) [user] is_like_space('A')
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] get_char((0x563acd73bee0), _1892598)
   Exit: (217) [system] get_char((0x563acd73bee0), 'A')
   Call: (217) [system] 'A'='('
   Fail: (217) [system] 'A'='('
   Call: (217) [system] 'A'='['
   Fail: (217) [system] 'A'='['
   Call: (217) [system] 'A'='{'
   Fail: (217) [system] 'A'='{'
   Call: (217) [system] 'A'='"'
   Fail: (217) [system] 'A'='"'
   Call: (217) [system] 'A'=!
   Fail: (217) [system] 'A'=!
   Call: (217) [system] 'A'='\''
   Fail: (217) [system] 'A'='\''
   Call: (217) [system] 'A'='`'
   Fail: (217) [system] 'A'='`'
   Call: (217) [system] 'A'=end_of_file
   Fail: (217) [system] 'A'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x563acd73bee0), 'A', _1874730)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _1910240)
   Call: (219) [system] peek_char((0x563acd73bee0), _1911174)
   Exit: (219) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _1910240=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (218) [user] classify_and_convert_charseq(['A'], _1874730)
^  Call: (219) [user] classify_and_convert_charseq_(['A'], _1920458)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_1921410, _1921412), once(user:catch(read_from_chars(['A'], _1920458), _1921392, fail)), '$restore_trace'(_1921410, _1921412))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_1921410, _1921412))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1920458), _1921392, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_1920458)
   Fail: (220) [system] atomic(_1920458)
   Call: (220) [system] atom_chars(_1920458, ['A'])
   Exit: (220) [system] atom_chars('A', ['A'])
^  Exit: (219) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (219) [system] integer('A')
   Fail: (219) [system] integer('A')
   Call: (219) [system] _1874730='A'
   Exit: (219) [system] 'A'='A'
^  Exit: (218) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (217) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (216) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (216) [user] read_list(')', (0x563acd73bee0), _1935408)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _1937266)
   Exit: (218) [system] peek_char((0x563acd73bee0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x563acd73bee0), _1946860)
   Exit: (218) [system] get_char((0x563acd73bee0), ' ')
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _1949564)
   Exit: (219) [system] peek_char((0x563acd73bee0), 'B')
   Call: (219) [system] 'B'=(;)
   Fail: (219) [system] 'B'=(;)
   Call: (219) [system] 'B'=(/)
   Fail: (219) [system] 'B'=(/)
^  Call: (219) [user] is_like_space('B')
   Call: (220) [system] char_type('B', 'white')
   Fail: (220) [system] char_type('B', 'white')
   Call: (220) [system] char_type('B', end_of_line)
   Fail: (220) [system] char_type('B', end_of_line)
   Call: (220) [system] char_type('B', space)
   Fail: (220) [system] char_type('B', space)
   Call: (220) [system] char_type('B', cntrl)
   Fail: (220) [system] char_type('B', cntrl)
^  Fail: (219) [user] is_like_space('B')
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1966498)
   Exit: (217) [system] peek_char((0x563acd73bee0), 'B')
   Call: (217) [system] 'B'=')'
   Fail: (217) [system] 'B'=')'
   Call: (217) [system] 'B'=end_of_file
   Fail: (217) [system] 'B'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x563acd73bee0), _1972068)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _1973926)
   Exit: (219) [system] peek_char((0x563acd73bee0), 'B')
   Call: (219) [system] 'B'=(;)
   Fail: (219) [system] 'B'=(;)
   Call: (219) [system] 'B'=(/)
   Fail: (219) [system] 'B'=(/)
^  Call: (219) [user] is_like_space('B')
   Call: (220) [system] char_type('B', 'white')
   Fail: (220) [system] char_type('B', 'white')
   Call: (220) [system] char_type('B', end_of_line)
   Fail: (220) [system] char_type('B', end_of_line)
   Call: (220) [system] char_type('B', space)
   Fail: (220) [system] char_type('B', space)
   Call: (220) [system] char_type('B', cntrl)
   Fail: (220) [system] char_type('B', cntrl)
^  Fail: (219) [user] is_like_space('B')
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] get_char((0x563acd73bee0), _1989936)
   Exit: (218) [system] get_char((0x563acd73bee0), 'B')
   Call: (218) [system] 'B'='('
   Fail: (218) [system] 'B'='('
   Call: (218) [system] 'B'='['
   Fail: (218) [system] 'B'='['
   Call: (218) [system] 'B'='{'
   Fail: (218) [system] 'B'='{'
   Call: (218) [system] 'B'='"'
   Fail: (218) [system] 'B'='"'
   Call: (218) [system] 'B'=!
   Fail: (218) [system] 'B'=!
   Call: (218) [system] 'B'='\''
   Fail: (218) [system] 'B'='\''
   Call: (218) [system] 'B'='`'
   Fail: (218) [system] 'B'='`'
   Call: (218) [system] 'B'=end_of_file
   Fail: (218) [system] 'B'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x563acd73bee0), 'B', _1972068)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _2007578)
   Call: (220) [system] peek_char((0x563acd73bee0), _2008512)
   Exit: (220) [system] peek_char((0x563acd73bee0), ')')
^  Call: (220) [user] is_delimiter(')')
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] arg(_2013232, v('(', ')', end_of_file), ')')
   Exit: (221) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (220) [user] is_delimiter(')')
   Call: (220) [system] _2007578=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (219) [user] classify_and_convert_charseq(['B'], _1972068)
^  Call: (220) [user] classify_and_convert_charseq_(['B'], _2019668)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_2020620, _2020622), once(user:catch(read_from_chars(['B'], _2019668), _2020602, fail)), '$restore_trace'(_2020620, _2020622))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_2020620, _2020622))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _2019668), _2020602, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_2019668)
   Fail: (221) [system] atomic(_2019668)
   Call: (221) [system] atom_chars(_2019668, ['B'])
   Exit: (221) [system] atom_chars('B', ['B'])
^  Exit: (220) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (220) [system] integer('B')
   Fail: (220) [system] integer('B')
   Call: (220) [system] _1972068='B'
   Exit: (220) [system] 'B'='B'
^  Exit: (219) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (218) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (217) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (217) [user] read_list(')', (0x563acd73bee0), _2034618)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _2036476)
   Exit: (219) [system] peek_char((0x563acd73bee0), ')')
   Call: (219) [system] ')'=(;)
   Fail: (219) [system] ')'=(;)
   Call: (219) [system] ')'=(/)
   Fail: (219) [system] ')'=(/)
^  Call: (219) [user] is_like_space(')')
   Call: (220) [system] char_type(')', 'white')
   Fail: (220) [system] char_type(')', 'white')
   Call: (220) [system] char_type(')', end_of_line)
   Fail: (220) [system] char_type(')', end_of_line)
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] char_type(')', cntrl)
   Fail: (220) [system] char_type(')', cntrl)
^  Fail: (219) [user] is_like_space(')')
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _2052486)
   Exit: (218) [system] peek_char((0x563acd73bee0), ')')
   Call: (218) [system] ')'=')'
   Exit: (218) [system] ')'=')'
   Call: (218) [system] get_char((0x563acd73bee0), _2056276)
   Exit: (218) [system] get_char((0x563acd73bee0), ')')
   Call: (218) [system] _2034618=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_list(')', (0x563acd73bee0), [])
   Call: (217) [system] _1935408=['B']
   Exit: (217) [system] ['B']=['B']
^  Exit: (216) [user] read_list(')', (0x563acd73bee0), ['B'])
   Call: (216) [system] _1838070=['A', 'B']
   Exit: (216) [system] ['A', 'B']=['A', 'B']
^  Exit: (215) [user] read_list(')', (0x563acd73bee0), ['A', 'B'])
   Call: (215) [system] _1631994=['AndLink', 'A', 'B']
   Exit: (215) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (214) [user] read_list(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Exit: (213) [user] cont_sexpr(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Call: (213) [user] read_list(')', (0x563acd73bee0), _2070158)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _2072016)
   Exit: (215) [system] peek_char((0x563acd73bee0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x563acd73bee0), _2081610)
   Exit: (215) [system] get_char((0x563acd73bee0), ' ')
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _2084314)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'C')
   Call: (216) [system] 'C'=(;)
   Fail: (216) [system] 'C'=(;)
   Call: (216) [system] 'C'=(/)
   Fail: (216) [system] 'C'=(/)
^  Call: (216) [user] is_like_space('C')
   Call: (217) [system] char_type('C', 'white')
   Fail: (217) [system] char_type('C', 'white')
   Call: (217) [system] char_type('C', end_of_line)
   Fail: (217) [system] char_type('C', end_of_line)
   Call: (217) [system] char_type('C', space)
   Fail: (217) [system] char_type('C', space)
   Call: (217) [system] char_type('C', cntrl)
   Fail: (217) [system] char_type('C', cntrl)
^  Fail: (216) [user] is_like_space('C')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _9066)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'C')
   Call: (214) [system] 'C'=')'
   Fail: (214) [system] 'C'=')'
   Call: (214) [system] 'C'=end_of_file
   Fail: (214) [system] 'C'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x563acd73bee0), _14636)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _16494)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'C')
   Call: (216) [system] 'C'=(;)
   Fail: (216) [system] 'C'=(;)
   Call: (216) [system] 'C'=(/)
   Fail: (216) [system] 'C'=(/)
^  Call: (216) [user] is_like_space('C')
   Call: (217) [system] char_type('C', 'white')
   Fail: (217) [system] char_type('C', 'white')
   Call: (217) [system] char_type('C', end_of_line)
   Fail: (217) [system] char_type('C', end_of_line)
   Call: (217) [system] char_type('C', space)
   Fail: (217) [system] char_type('C', space)
   Call: (217) [system] char_type('C', cntrl)
   Fail: (217) [system] char_type('C', cntrl)
^  Fail: (216) [user] is_like_space('C')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] get_char((0x563acd73bee0), _32504)
   Exit: (215) [system] get_char((0x563acd73bee0), 'C')
   Call: (215) [system] 'C'='('
   Fail: (215) [system] 'C'='('
   Call: (215) [system] 'C'='['
   Fail: (215) [system] 'C'='['
   Call: (215) [system] 'C'='{'
   Fail: (215) [system] 'C'='{'
   Call: (215) [system] 'C'='"'
   Fail: (215) [system] 'C'='"'
   Call: (215) [system] 'C'=!
   Fail: (215) [system] 'C'=!
   Call: (215) [system] 'C'='\''
   Fail: (215) [system] 'C'='\''
   Call: (215) [system] 'C'='`'
   Fail: (215) [system] 'C'='`'
   Call: (215) [system] 'C'=end_of_file
   Fail: (215) [system] 'C'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x563acd73bee0), 'C', _14636)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _50146)
   Call: (217) [system] peek_char((0x563acd73bee0), _51080)
   Exit: (217) [system] peek_char((0x563acd73bee0), ')')
^  Call: (217) [user] is_delimiter(')')
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] arg(_55800, v('(', ')', end_of_file), ')')
   Exit: (218) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (217) [user] is_delimiter(')')
   Call: (217) [system] _50146=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (216) [user] classify_and_convert_charseq(['C'], _14636)
^  Call: (217) [user] classify_and_convert_charseq_(['C'], _62236)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_63188, _63190), once(user:catch(read_from_chars(['C'], _62236), _63170, fail)), '$restore_trace'(_63188, _63190))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_63188, _63190))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _62236), _63170, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_62236)
   Fail: (218) [system] atomic(_62236)
   Call: (218) [system] atom_chars(_62236, ['C'])
   Exit: (218) [system] atom_chars('C', ['C'])
^  Exit: (217) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (217) [system] integer('C')
   Fail: (217) [system] integer('C')
   Call: (217) [system] _14636='C'
   Exit: (217) [system] 'C'='C'
^  Exit: (216) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (215) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (214) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (214) [user] read_list(')', (0x563acd73bee0), _77186)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _79044)
   Exit: (216) [system] peek_char((0x563acd73bee0), ')')
   Call: (216) [system] ')'=(;)
   Fail: (216) [system] ')'=(;)
   Call: (216) [system] ')'=(/)
   Fail: (216) [system] ')'=(/)
^  Call: (216) [user] is_like_space(')')
   Call: (217) [system] char_type(')', 'white')
   Fail: (217) [system] char_type(')', 'white')
   Call: (217) [system] char_type(')', end_of_line)
   Fail: (217) [system] char_type(')', end_of_line)
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] char_type(')', cntrl)
   Fail: (217) [system] char_type(')', cntrl)
^  Fail: (216) [user] is_like_space(')')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _95054)
   Exit: (215) [system] peek_char((0x563acd73bee0), ')')
   Call: (215) [system] ')'=')'
   Exit: (215) [system] ')'=')'
   Call: (215) [system] get_char((0x563acd73bee0), _98844)
   Exit: (215) [system] get_char((0x563acd73bee0), ')')
   Call: (215) [system] _77186=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_list(')', (0x563acd73bee0), [])
   Call: (214) [system] _4612=['C']
   Exit: (214) [system] ['C']=['C']
^  Exit: (213) [user] read_list(')', (0x563acd73bee0), ['C'])
   Call: (213) [system] _4588=[['AndLink', 'A', 'B'], 'C']
   Exit: (213) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (212) [user] read_list(')', (0x563acd73bee0), [['AndLink', 'A', 'B'], 'C'])
   Call: (212) [system] _4580=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (212) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (211) [user] read_list(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (210) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (210) [user] read_list(')', (0x563acd73bee0), _112726)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _114584)
   Exit: (212) [system] peek_char((0x563acd73bee0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x563acd73bee0), _124178)
   Exit: (212) [system] get_char((0x563acd73bee0), ' ')
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _126882)
   Exit: (213) [system] peek_char((0x563acd73bee0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _143816)
   Exit: (211) [system] peek_char((0x563acd73bee0), '(')
   Call: (211) [system] '('=')'
   Fail: (211) [system] '('=')'
   Call: (211) [system] '('=end_of_file
   Fail: (211) [system] '('=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x563acd73bee0), _149386)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _151244)
   Exit: (213) [system] peek_char((0x563acd73bee0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] get_char((0x563acd73bee0), _167254)
   Exit: (212) [system] get_char((0x563acd73bee0), '(')
   Call: (212) [system] '('='('
   Exit: (212) [system] '('='('
^  Call: (212) [user] read_list(')', (0x563acd73bee0), _149386)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _172824)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'I')
   Call: (214) [system] 'I'=(;)
   Fail: (214) [system] 'I'=(;)
   Call: (214) [system] 'I'=(/)
   Fail: (214) [system] 'I'=(/)
^  Call: (214) [user] is_like_space('I')
   Call: (215) [system] char_type('I', 'white')
   Fail: (215) [system] char_type('I', 'white')
   Call: (215) [system] char_type('I', end_of_line)
   Fail: (215) [system] char_type('I', end_of_line)
   Call: (215) [system] char_type('I', space)
   Fail: (215) [system] char_type('I', space)
   Call: (215) [system] char_type('I', cntrl)
   Fail: (215) [system] char_type('I', cntrl)
^  Fail: (214) [user] is_like_space('I')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _188834)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'I')
   Call: (213) [system] 'I'=')'
   Fail: (213) [system] 'I'=')'
   Call: (213) [system] 'I'=end_of_file
   Fail: (213) [system] 'I'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x563acd73bee0), _194404)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _196262)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'I')
   Call: (215) [system] 'I'=(;)
   Fail: (215) [system] 'I'=(;)
   Call: (215) [system] 'I'=(/)
   Fail: (215) [system] 'I'=(/)
^  Call: (215) [user] is_like_space('I')
   Call: (216) [system] char_type('I', 'white')
   Fail: (216) [system] char_type('I', 'white')
   Call: (216) [system] char_type('I', end_of_line)
   Fail: (216) [system] char_type('I', end_of_line)
   Call: (216) [system] char_type('I', space)
   Fail: (216) [system] char_type('I', space)
   Call: (216) [system] char_type('I', cntrl)
   Fail: (216) [system] char_type('I', cntrl)
^  Fail: (215) [user] is_like_space('I')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] get_char((0x563acd73bee0), _212272)
   Exit: (214) [system] get_char((0x563acd73bee0), 'I')
   Call: (214) [system] 'I'='('
   Fail: (214) [system] 'I'='('
   Call: (214) [system] 'I'='['
   Fail: (214) [system] 'I'='['
   Call: (214) [system] 'I'='{'
   Fail: (214) [system] 'I'='{'
   Call: (214) [system] 'I'='"'
   Fail: (214) [system] 'I'='"'
   Call: (214) [system] 'I'=!
   Fail: (214) [system] 'I'=!
   Call: (214) [system] 'I'='\''
   Fail: (214) [system] 'I'='\''
   Call: (214) [system] 'I'='`'
   Fail: (214) [system] 'I'='`'
   Call: (214) [system] 'I'=end_of_file
   Fail: (214) [system] 'I'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x563acd73bee0), 'I', _194404)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _229914)
   Call: (216) [system] peek_char((0x563acd73bee0), _230848)
   Exit: (216) [system] peek_char((0x563acd73bee0), m)
^  Call: (216) [user] is_delimiter(m)
   Call: (217) [system] char_type(m, space)
   Fail: (217) [system] char_type(m, space)
   Call: (217) [system] arg(_235568, v('(', ')', end_of_file), m)
   Fail: (217) [system] arg(_236500, v('(', ')', end_of_file), m)
^  Fail: (216) [user] is_delimiter(m)
   Call: (216) [system] ')'==m
   Fail: (216) [system] ')'==m
   Call: (216) [system] get_char((0x563acd73bee0), m)
   Exit: (216) [system] get_char((0x563acd73bee0), m)
   Call: (216) [system] m=(\)
   Fail: (216) [system] m=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _243850)
   Call: (217) [system] peek_char((0x563acd73bee0), _244784)
   Exit: (217) [system] peek_char((0x563acd73bee0), p)
^  Call: (217) [user] is_delimiter(p)
   Call: (218) [system] char_type(p, space)
   Fail: (218) [system] char_type(p, space)
   Call: (218) [system] arg(_249504, v('(', ')', end_of_file), p)
   Fail: (218) [system] arg(_250436, v('(', ')', end_of_file), p)
^  Fail: (217) [user] is_delimiter(p)
   Call: (217) [system] ')'==p
   Fail: (217) [system] ')'==p
   Call: (217) [system] get_char((0x563acd73bee0), p)
   Exit: (217) [system] get_char((0x563acd73bee0), p)
   Call: (217) [system] p=(\)
   Fail: (217) [system] p=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _257786)
   Call: (218) [system] peek_char((0x563acd73bee0), _258720)
   Exit: (218) [system] peek_char((0x563acd73bee0), l)
^  Call: (218) [user] is_delimiter(l)
   Call: (219) [system] char_type(l, space)
   Fail: (219) [system] char_type(l, space)
   Call: (219) [system] arg(_263440, v('(', ')', end_of_file), l)
   Fail: (219) [system] arg(_264372, v('(', ')', end_of_file), l)
^  Fail: (218) [user] is_delimiter(l)
   Call: (218) [system] ')'==l
   Fail: (218) [system] ')'==l
   Call: (218) [system] get_char((0x563acd73bee0), l)
   Exit: (218) [system] get_char((0x563acd73bee0), l)
   Call: (218) [system] l=(\)
   Fail: (218) [system] l=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _271722)
   Call: (219) [system] peek_char((0x563acd73bee0), _272656)
   Exit: (219) [system] peek_char((0x563acd73bee0), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Fail: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_277376, v('(', ')', end_of_file), i)
   Fail: (220) [system] arg(_278308, v('(', ')', end_of_file), i)
^  Fail: (219) [user] is_delimiter(i)
   Call: (219) [system] ')'==i
   Fail: (219) [system] ')'==i
   Call: (219) [system] get_char((0x563acd73bee0), i)
   Exit: (219) [system] get_char((0x563acd73bee0), i)
   Call: (219) [system] i=(\)
   Fail: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _285658)
   Call: (220) [system] peek_char((0x563acd73bee0), _286592)
   Exit: (220) [system] peek_char((0x563acd73bee0), c)
^  Call: (220) [user] is_delimiter(c)
   Call: (221) [system] char_type(c, space)
   Fail: (221) [system] char_type(c, space)
   Call: (221) [system] arg(_291312, v('(', ')', end_of_file), c)
   Fail: (221) [system] arg(_292244, v('(', ')', end_of_file), c)
^  Fail: (220) [user] is_delimiter(c)
   Call: (220) [system] ')'==c
   Fail: (220) [system] ')'==c
   Call: (220) [system] get_char((0x563acd73bee0), c)
   Exit: (220) [system] get_char((0x563acd73bee0), c)
   Call: (220) [system] c=(\)
   Fail: (220) [system] c=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _299594)
   Call: (221) [system] peek_char((0x563acd73bee0), _300528)
   Exit: (221) [system] peek_char((0x563acd73bee0), a)
^  Call: (221) [user] is_delimiter(a)
   Call: (222) [system] char_type(a, space)
   Fail: (222) [system] char_type(a, space)
   Call: (222) [system] arg(_305248, v('(', ')', end_of_file), a)
   Fail: (222) [system] arg(_306180, v('(', ')', end_of_file), a)
^  Fail: (221) [user] is_delimiter(a)
   Call: (221) [system] ')'==a
   Fail: (221) [system] ')'==a
   Call: (221) [system] get_char((0x563acd73bee0), a)
   Exit: (221) [system] get_char((0x563acd73bee0), a)
   Call: (221) [system] a=(\)
   Fail: (221) [system] a=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _313530)
   Call: (222) [system] peek_char((0x563acd73bee0), _314464)
   Exit: (222) [system] peek_char((0x563acd73bee0), t)
^  Call: (222) [user] is_delimiter(t)
   Call: (223) [system] char_type(t, space)
   Fail: (223) [system] char_type(t, space)
   Call: (223) [system] arg(_319184, v('(', ')', end_of_file), t)
   Fail: (223) [system] arg(_320116, v('(', ')', end_of_file), t)
^  Fail: (222) [user] is_delimiter(t)
   Call: (222) [system] ')'==t
   Fail: (222) [system] ')'==t
   Call: (222) [system] get_char((0x563acd73bee0), t)
   Exit: (222) [system] get_char((0x563acd73bee0), t)
   Call: (222) [system] t=(\)
   Fail: (222) [system] t=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _327466)
   Call: (223) [system] peek_char((0x563acd73bee0), _328400)
   Exit: (223) [system] peek_char((0x563acd73bee0), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Fail: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_333120, v('(', ')', end_of_file), i)
   Fail: (224) [system] arg(_334052, v('(', ')', end_of_file), i)
^  Fail: (223) [user] is_delimiter(i)
   Call: (223) [system] ')'==i
   Fail: (223) [system] ')'==i
   Call: (223) [system] get_char((0x563acd73bee0), i)
   Exit: (223) [system] get_char((0x563acd73bee0), i)
   Call: (223) [system] i=(\)
   Fail: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _341402)
   Call: (224) [system] peek_char((0x563acd73bee0), _342336)
   Exit: (224) [system] peek_char((0x563acd73bee0), o)
^  Call: (224) [user] is_delimiter(o)
   Call: (225) [system] char_type(o, space)
   Fail: (225) [system] char_type(o, space)
   Call: (225) [system] arg(_347056, v('(', ')', end_of_file), o)
   Fail: (225) [system] arg(_347988, v('(', ')', end_of_file), o)
^  Fail: (224) [user] is_delimiter(o)
   Call: (224) [system] ')'==o
   Fail: (224) [system] ')'==o
   Call: (224) [system] get_char((0x563acd73bee0), o)
   Exit: (224) [system] get_char((0x563acd73bee0), o)
   Call: (224) [system] o=(\)
   Fail: (224) [system] o=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _355338)
   Call: (225) [system] peek_char((0x563acd73bee0), _356272)
   Exit: (225) [system] peek_char((0x563acd73bee0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_360992, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_361924, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x563acd73bee0), n)
   Exit: (225) [system] get_char((0x563acd73bee0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _369274)
   Call: (226) [system] peek_char((0x563acd73bee0), _370208)
   Exit: (226) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _369274=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (225) [system] _355338=[n]
   Exit: (225) [system] [n]=[n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (224) [system] _341402=[o, n]
   Exit: (224) [system] [o, n]=[o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (223) [system] _327466=[i, o, n]
   Exit: (223) [system] [i, o, n]=[i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (222) [system] _313530=[t, i, o, n]
   Exit: (222) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (221) [system] _299594=[a, t, i, o, n]
   Exit: (221) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (220) [system] _285658=[c, a, t, i, o, n]
   Exit: (220) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (219) [system] _271722=[i, c, a, t, i, o, n]
   Exit: (219) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (218) [system] _257786=[l, i, c, a, t, i, o, n]
   Exit: (218) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (217) [system] _243850=[p, l, i, c, a, t, i, o, n]
   Exit: (217) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (216) [system] _229914=[m, p, l, i, c, a, t, i, o, n]
   Exit: (216) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (215) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _194404)
^  Call: (216) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _407432)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_408384, _408386), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _407432), _408366, fail)), '$restore_trace'(_408384, _408386))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_408384, _408386))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _407432), _408366, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_407432)
   Fail: (217) [system] atomic(_407432)
   Call: (217) [system] atom_chars(_407432, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (217) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (216) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (216) [system] integer('Implication')
   Fail: (216) [system] integer('Implication')
   Call: (216) [system] _194404='Implication'
   Exit: (216) [system] 'Implication'='Implication'
^  Exit: (215) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (214) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (213) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (213) [user] read_list(')', (0x563acd73bee0), _422382)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _424240)
   Exit: (215) [system] peek_char((0x563acd73bee0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x563acd73bee0), _433834)
   Exit: (215) [system] get_char((0x563acd73bee0), ' ')
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _436538)
   Exit: (216) [system] peek_char((0x563acd73bee0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _453472)
   Exit: (214) [system] peek_char((0x563acd73bee0), '(')
   Call: (214) [system] '('=')'
   Fail: (214) [system] '('=')'
   Call: (214) [system] '('=end_of_file
   Fail: (214) [system] '('=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x563acd73bee0), _459042)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _460900)
   Exit: (216) [system] peek_char((0x563acd73bee0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] get_char((0x563acd73bee0), _476910)
   Exit: (215) [system] get_char((0x563acd73bee0), '(')
   Call: (215) [system] '('='('
   Exit: (215) [system] '('='('
^  Call: (215) [user] read_list(')', (0x563acd73bee0), _459042)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _482480)
   Exit: (217) [system] peek_char((0x563acd73bee0), 'O')
   Call: (217) [system] 'O'=(;)
   Fail: (217) [system] 'O'=(;)
   Call: (217) [system] 'O'=(/)
   Fail: (217) [system] 'O'=(/)
^  Call: (217) [user] is_like_space('O')
   Call: (218) [system] char_type('O', 'white')
   Fail: (218) [system] char_type('O', 'white')
   Call: (218) [system] char_type('O', end_of_line)
   Fail: (218) [system] char_type('O', end_of_line)
   Call: (218) [system] char_type('O', space)
   Fail: (218) [system] char_type('O', space)
   Call: (218) [system] char_type('O', cntrl)
   Fail: (218) [system] char_type('O', cntrl)
^  Fail: (217) [user] is_like_space('O')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _498490)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'O')
   Call: (216) [system] 'O'=')'
   Fail: (216) [system] 'O'=')'
   Call: (216) [system] 'O'=end_of_file
   Fail: (216) [system] 'O'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x563acd73bee0), _504060)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _505918)
   Exit: (218) [system] peek_char((0x563acd73bee0), 'O')
   Call: (218) [system] 'O'=(;)
   Fail: (218) [system] 'O'=(;)
   Call: (218) [system] 'O'=(/)
   Fail: (218) [system] 'O'=(/)
^  Call: (218) [user] is_like_space('O')
   Call: (219) [system] char_type('O', 'white')
   Fail: (219) [system] char_type('O', 'white')
   Call: (219) [system] char_type('O', end_of_line)
   Fail: (219) [system] char_type('O', end_of_line)
   Call: (219) [system] char_type('O', space)
   Fail: (219) [system] char_type('O', space)
   Call: (219) [system] char_type('O', cntrl)
   Fail: (219) [system] char_type('O', cntrl)
^  Fail: (218) [user] is_like_space('O')
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] get_char((0x563acd73bee0), _521928)
   Exit: (217) [system] get_char((0x563acd73bee0), 'O')
   Call: (217) [system] 'O'='('
   Fail: (217) [system] 'O'='('
   Call: (217) [system] 'O'='['
   Fail: (217) [system] 'O'='['
   Call: (217) [system] 'O'='{'
   Fail: (217) [system] 'O'='{'
   Call: (217) [system] 'O'='"'
   Fail: (217) [system] 'O'='"'
   Call: (217) [system] 'O'=!
   Fail: (217) [system] 'O'=!
   Call: (217) [system] 'O'='\''
   Fail: (217) [system] 'O'='\''
   Call: (217) [system] 'O'='`'
   Fail: (217) [system] 'O'='`'
   Call: (217) [system] 'O'=end_of_file
   Fail: (217) [system] 'O'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x563acd73bee0), 'O', _504060)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _539570)
   Call: (219) [system] peek_char((0x563acd73bee0), _540504)
   Exit: (219) [system] peek_char((0x563acd73bee0), r)
^  Call: (219) [user] is_delimiter(r)
   Call: (220) [system] char_type(r, space)
   Fail: (220) [system] char_type(r, space)
   Call: (220) [system] arg(_545224, v('(', ')', end_of_file), r)
   Fail: (220) [system] arg(_546156, v('(', ')', end_of_file), r)
^  Fail: (219) [user] is_delimiter(r)
   Call: (219) [system] ')'==r
   Fail: (219) [system] ')'==r
   Call: (219) [system] get_char((0x563acd73bee0), r)
   Exit: (219) [system] get_char((0x563acd73bee0), r)
   Call: (219) [system] r=(\)
   Fail: (219) [system] r=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _553506)
   Call: (220) [system] peek_char((0x563acd73bee0), _554440)
   Exit: (220) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (220) [user] is_delimiter('L')
   Call: (221) [system] char_type('L', space)
   Fail: (221) [system] char_type('L', space)
   Call: (221) [system] arg(_559160, v('(', ')', end_of_file), 'L')
   Fail: (221) [system] arg(_560092, v('(', ')', end_of_file), 'L')
^  Fail: (220) [user] is_delimiter('L')
   Call: (220) [system] ')'=='L'
   Fail: (220) [system] ')'=='L'
   Call: (220) [system] get_char((0x563acd73bee0), 'L')
   Exit: (220) [system] get_char((0x563acd73bee0), 'L')
   Call: (220) [system] 'L'=(\)
   Fail: (220) [system] 'L'=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _567442)
   Call: (221) [system] peek_char((0x563acd73bee0), _568376)
   Exit: (221) [system] peek_char((0x563acd73bee0), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_573096, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_574028, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x563acd73bee0), i)
   Exit: (221) [system] get_char((0x563acd73bee0), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _581378)
   Call: (222) [system] peek_char((0x563acd73bee0), _582312)
   Exit: (222) [system] peek_char((0x563acd73bee0), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_587032, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_587964, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x563acd73bee0), n)
   Exit: (222) [system] get_char((0x563acd73bee0), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _595314)
   Call: (223) [system] peek_char((0x563acd73bee0), _596248)
   Exit: (223) [system] peek_char((0x563acd73bee0), k)
^  Call: (223) [user] is_delimiter(k)
   Call: (224) [system] char_type(k, space)
   Fail: (224) [system] char_type(k, space)
   Call: (224) [system] arg(_600968, v('(', ')', end_of_file), k)
   Fail: (224) [system] arg(_601900, v('(', ')', end_of_file), k)
^  Fail: (223) [user] is_delimiter(k)
   Call: (223) [system] ')'==k
   Fail: (223) [system] ')'==k
   Call: (223) [system] get_char((0x563acd73bee0), k)
   Exit: (223) [system] get_char((0x563acd73bee0), k)
   Call: (223) [system] k=(\)
   Fail: (223) [system] k=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _609250)
   Call: (224) [system] peek_char((0x563acd73bee0), _610184)
   Exit: (224) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _609250=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (223) [system] _595314=[k]
   Exit: (223) [system] [k]=[k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (222) [system] _581378=[n, k]
   Exit: (222) [system] [n, k]=[n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (221) [system] _567442=[i, n, k]
   Exit: (221) [system] [i, n, k]=[i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (220) [system] _553506=['L', i, n, k]
   Exit: (220) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (219) [system] _539570=[r, 'L', i, n, k]
   Exit: (219) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (218) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _504060)
^  Call: (219) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _633438)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_634390, _634392), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _633438), _634372, fail)), '$restore_trace'(_634390, _634392))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_634390, _634392))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _633438), _634372, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_633438)
   Fail: (220) [system] atomic(_633438)
   Call: (220) [system] atom_chars(_633438, ['O', r, 'L', i, n, k])
   Exit: (220) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (219) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (219) [system] integer('OrLink')
   Fail: (219) [system] integer('OrLink')
   Call: (219) [system] _504060='OrLink'
   Exit: (219) [system] 'OrLink'='OrLink'
^  Exit: (218) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (217) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (216) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (216) [user] read_list(')', (0x563acd73bee0), _648388)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _650246)
   Exit: (218) [system] peek_char((0x563acd73bee0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x563acd73bee0), _659840)
   Exit: (218) [system] get_char((0x563acd73bee0), ' ')
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _662544)
   Exit: (219) [system] peek_char((0x563acd73bee0), 'C')
   Call: (219) [system] 'C'=(;)
   Fail: (219) [system] 'C'=(;)
   Call: (219) [system] 'C'=(/)
   Fail: (219) [system] 'C'=(/)
^  Call: (219) [user] is_like_space('C')
   Call: (220) [system] char_type('C', 'white')
   Fail: (220) [system] char_type('C', 'white')
   Call: (220) [system] char_type('C', end_of_line)
   Fail: (220) [system] char_type('C', end_of_line)
   Call: (220) [system] char_type('C', space)
   Fail: (220) [system] char_type('C', space)
   Call: (220) [system] char_type('C', cntrl)
   Fail: (220) [system] char_type('C', cntrl)
^  Fail: (219) [user] is_like_space('C')
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _679478)
   Exit: (217) [system] peek_char((0x563acd73bee0), 'C')
   Call: (217) [system] 'C'=')'
   Fail: (217) [system] 'C'=')'
   Call: (217) [system] 'C'=end_of_file
   Fail: (217) [system] 'C'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x563acd73bee0), _685048)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _686906)
   Exit: (219) [system] peek_char((0x563acd73bee0), 'C')
   Call: (219) [system] 'C'=(;)
   Fail: (219) [system] 'C'=(;)
   Call: (219) [system] 'C'=(/)
   Fail: (219) [system] 'C'=(/)
^  Call: (219) [user] is_like_space('C')
   Call: (220) [system] char_type('C', 'white')
   Fail: (220) [system] char_type('C', 'white')
   Call: (220) [system] char_type('C', end_of_line)
   Fail: (220) [system] char_type('C', end_of_line)
   Call: (220) [system] char_type('C', space)
   Fail: (220) [system] char_type('C', space)
   Call: (220) [system] char_type('C', cntrl)
   Fail: (220) [system] char_type('C', cntrl)
^  Fail: (219) [user] is_like_space('C')
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] get_char((0x563acd73bee0), _702916)
   Exit: (218) [system] get_char((0x563acd73bee0), 'C')
   Call: (218) [system] 'C'='('
   Fail: (218) [system] 'C'='('
   Call: (218) [system] 'C'='['
   Fail: (218) [system] 'C'='['
   Call: (218) [system] 'C'='{'
   Fail: (218) [system] 'C'='{'
   Call: (218) [system] 'C'='"'
   Fail: (218) [system] 'C'='"'
   Call: (218) [system] 'C'=!
   Fail: (218) [system] 'C'=!
   Call: (218) [system] 'C'='\''
   Fail: (218) [system] 'C'='\''
   Call: (218) [system] 'C'='`'
   Fail: (218) [system] 'C'='`'
   Call: (218) [system] 'C'=end_of_file
   Fail: (218) [system] 'C'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x563acd73bee0), 'C', _685048)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _720558)
   Call: (220) [system] peek_char((0x563acd73bee0), _721492)
   Exit: (220) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _720558=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (219) [user] classify_and_convert_charseq(['C'], _685048)
^  Call: (220) [user] classify_and_convert_charseq_(['C'], _730776)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_731728, _731730), once(user:catch(read_from_chars(['C'], _730776), _731710, fail)), '$restore_trace'(_731728, _731730))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_731728, _731730))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _730776), _731710, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_730776)
   Fail: (221) [system] atomic(_730776)
   Call: (221) [system] atom_chars(_730776, ['C'])
   Exit: (221) [system] atom_chars('C', ['C'])
^  Exit: (220) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (220) [system] integer('C')
   Fail: (220) [system] integer('C')
   Call: (220) [system] _685048='C'
   Exit: (220) [system] 'C'='C'
^  Exit: (219) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (218) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (217) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (217) [user] read_list(')', (0x563acd73bee0), _745726)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _747584)
   Exit: (219) [system] peek_char((0x563acd73bee0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x563acd73bee0), _757178)
   Exit: (219) [system] get_char((0x563acd73bee0), ' ')
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _759882)
   Exit: (220) [system] peek_char((0x563acd73bee0), 'D')
   Call: (220) [system] 'D'=(;)
   Fail: (220) [system] 'D'=(;)
   Call: (220) [system] 'D'=(/)
   Fail: (220) [system] 'D'=(/)
^  Call: (220) [user] is_like_space('D')
   Call: (221) [system] char_type('D', 'white')
   Fail: (221) [system] char_type('D', 'white')
   Call: (221) [system] char_type('D', end_of_line)
   Fail: (221) [system] char_type('D', end_of_line)
   Call: (221) [system] char_type('D', space)
   Fail: (221) [system] char_type('D', space)
   Call: (221) [system] char_type('D', cntrl)
   Fail: (221) [system] char_type('D', cntrl)
^  Fail: (220) [user] is_like_space('D')
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _776816)
   Exit: (218) [system] peek_char((0x563acd73bee0), 'D')
   Call: (218) [system] 'D'=')'
   Fail: (218) [system] 'D'=')'
   Call: (218) [system] 'D'=end_of_file
   Fail: (218) [system] 'D'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x563acd73bee0), _782386)
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _784244)
   Exit: (220) [system] peek_char((0x563acd73bee0), 'D')
   Call: (220) [system] 'D'=(;)
   Fail: (220) [system] 'D'=(;)
   Call: (220) [system] 'D'=(/)
   Fail: (220) [system] 'D'=(/)
^  Call: (220) [user] is_like_space('D')
   Call: (221) [system] char_type('D', 'white')
   Fail: (221) [system] char_type('D', 'white')
   Call: (221) [system] char_type('D', end_of_line)
   Fail: (221) [system] char_type('D', end_of_line)
   Call: (221) [system] char_type('D', space)
   Fail: (221) [system] char_type('D', space)
   Call: (221) [system] char_type('D', cntrl)
   Fail: (221) [system] char_type('D', cntrl)
^  Fail: (220) [user] is_like_space('D')
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] get_char((0x563acd73bee0), _800254)
   Exit: (219) [system] get_char((0x563acd73bee0), 'D')
   Call: (219) [system] 'D'='('
   Fail: (219) [system] 'D'='('
   Call: (219) [system] 'D'='['
   Fail: (219) [system] 'D'='['
   Call: (219) [system] 'D'='{'
   Fail: (219) [system] 'D'='{'
   Call: (219) [system] 'D'='"'
   Fail: (219) [system] 'D'='"'
   Call: (219) [system] 'D'=!
   Fail: (219) [system] 'D'=!
   Call: (219) [system] 'D'='\''
   Fail: (219) [system] 'D'='\''
   Call: (219) [system] 'D'='`'
   Fail: (219) [system] 'D'='`'
   Call: (219) [system] 'D'=end_of_file
   Fail: (219) [system] 'D'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x563acd73bee0), 'D', _782386)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _817896)
   Call: (221) [system] peek_char((0x563acd73bee0), _818830)
   Exit: (221) [system] peek_char((0x563acd73bee0), ')')
^  Call: (221) [user] is_delimiter(')')
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] arg(_823550, v('(', ')', end_of_file), ')')
   Exit: (222) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (221) [user] is_delimiter(')')
   Call: (221) [system] _817896=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (220) [user] classify_and_convert_charseq(['D'], _782386)
^  Call: (221) [user] classify_and_convert_charseq_(['D'], _829986)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_830938, _830940), once(user:catch(read_from_chars(['D'], _829986), _830920, fail)), '$restore_trace'(_830938, _830940))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_830938, _830940))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _829986), _830920, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_829986)
   Fail: (222) [system] atomic(_829986)
   Call: (222) [system] atom_chars(_829986, ['D'])
   Exit: (222) [system] atom_chars('D', ['D'])
^  Exit: (221) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (221) [system] integer('D')
   Fail: (221) [system] integer('D')
   Call: (221) [system] _782386='D'
   Exit: (221) [system] 'D'='D'
^  Exit: (220) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (219) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'D')
^  Exit: (218) [user] cont_sexpr(')', (0x563acd73bee0), 'D')
^  Call: (218) [user] read_list(')', (0x563acd73bee0), _844936)
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _846794)
   Exit: (220) [system] peek_char((0x563acd73bee0), ')')
   Call: (220) [system] ')'=(;)
   Fail: (220) [system] ')'=(;)
   Call: (220) [system] ')'=(/)
   Fail: (220) [system] ')'=(/)
^  Call: (220) [user] is_like_space(')')
   Call: (221) [system] char_type(')', 'white')
   Fail: (221) [system] char_type(')', 'white')
   Call: (221) [system] char_type(')', end_of_line)
   Fail: (221) [system] char_type(')', end_of_line)
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] char_type(')', cntrl)
   Fail: (221) [system] char_type(')', cntrl)
^  Fail: (220) [user] is_like_space(')')
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _862804)
   Exit: (219) [system] peek_char((0x563acd73bee0), ')')
   Call: (219) [system] ')'=')'
   Exit: (219) [system] ')'=')'
   Call: (219) [system] get_char((0x563acd73bee0), _866594)
   Exit: (219) [system] get_char((0x563acd73bee0), ')')
   Call: (219) [system] _844936=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_list(')', (0x563acd73bee0), [])
   Call: (218) [system] _745726=['D']
   Exit: (218) [system] ['D']=['D']
^  Exit: (217) [user] read_list(')', (0x563acd73bee0), ['D'])
   Call: (217) [system] _648388=['C', 'D']
   Exit: (217) [system] ['C', 'D']=['C', 'D']
^  Exit: (216) [user] read_list(')', (0x563acd73bee0), ['C', 'D'])
   Call: (216) [system] _459042=['OrLink', 'C', 'D']
   Exit: (216) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (215) [user] read_list(')', (0x563acd73bee0), ['OrLink', 'C', 'D'])
^  Exit: (214) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', 'C', 'D'])
^  Call: (214) [user] read_list(')', (0x563acd73bee0), _880476)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _882334)
   Exit: (216) [system] peek_char((0x563acd73bee0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x563acd73bee0), _891928)
   Exit: (216) [system] get_char((0x563acd73bee0), ' ')
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _894632)
   Exit: (217) [system] peek_char((0x563acd73bee0), 'E')
   Call: (217) [system] 'E'=(;)
   Fail: (217) [system] 'E'=(;)
   Call: (217) [system] 'E'=(/)
   Fail: (217) [system] 'E'=(/)
^  Call: (217) [user] is_like_space('E')
   Call: (218) [system] char_type('E', 'white')
   Fail: (218) [system] char_type('E', 'white')
   Call: (218) [system] char_type('E', end_of_line)
   Fail: (218) [system] char_type('E', end_of_line)
   Call: (218) [system] char_type('E', space)
   Fail: (218) [system] char_type('E', space)
   Call: (218) [system] char_type('E', cntrl)
   Fail: (218) [system] char_type('E', cntrl)
^  Fail: (217) [user] is_like_space('E')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _911566)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'E')
   Call: (215) [system] 'E'=')'
   Fail: (215) [system] 'E'=')'
   Call: (215) [system] 'E'=end_of_file
   Fail: (215) [system] 'E'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x563acd73bee0), _917136)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _918994)
   Exit: (217) [system] peek_char((0x563acd73bee0), 'E')
   Call: (217) [system] 'E'=(;)
   Fail: (217) [system] 'E'=(;)
   Call: (217) [system] 'E'=(/)
   Fail: (217) [system] 'E'=(/)
^  Call: (217) [user] is_like_space('E')
   Call: (218) [system] char_type('E', 'white')
   Fail: (218) [system] char_type('E', 'white')
   Call: (218) [system] char_type('E', end_of_line)
   Fail: (218) [system] char_type('E', end_of_line)
   Call: (218) [system] char_type('E', space)
   Fail: (218) [system] char_type('E', space)
   Call: (218) [system] char_type('E', cntrl)
   Fail: (218) [system] char_type('E', cntrl)
^  Fail: (217) [user] is_like_space('E')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] get_char((0x563acd73bee0), _935004)
   Exit: (216) [system] get_char((0x563acd73bee0), 'E')
   Call: (216) [system] 'E'='('
   Fail: (216) [system] 'E'='('
   Call: (216) [system] 'E'='['
   Fail: (216) [system] 'E'='['
   Call: (216) [system] 'E'='{'
   Fail: (216) [system] 'E'='{'
   Call: (216) [system] 'E'='"'
   Fail: (216) [system] 'E'='"'
   Call: (216) [system] 'E'=!
   Fail: (216) [system] 'E'=!
   Call: (216) [system] 'E'='\''
   Fail: (216) [system] 'E'='\''
   Call: (216) [system] 'E'='`'
   Fail: (216) [system] 'E'='`'
   Call: (216) [system] 'E'=end_of_file
   Fail: (216) [system] 'E'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x563acd73bee0), 'E', _917136)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _952646)
   Call: (218) [system] peek_char((0x563acd73bee0), _953580)
   Exit: (218) [system] peek_char((0x563acd73bee0), ')')
^  Call: (218) [user] is_delimiter(')')
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] arg(_958300, v('(', ')', end_of_file), ')')
   Exit: (219) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (218) [user] is_delimiter(')')
   Call: (218) [system] _952646=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (217) [user] classify_and_convert_charseq(['E'], _917136)
^  Call: (218) [user] classify_and_convert_charseq_(['E'], _964736)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_965688, _965690), once(user:catch(read_from_chars(['E'], _964736), _965670, fail)), '$restore_trace'(_965688, _965690))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_965688, _965690))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _964736), _965670, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_964736)
   Fail: (219) [system] atomic(_964736)
   Call: (219) [system] atom_chars(_964736, ['E'])
   Exit: (219) [system] atom_chars('E', ['E'])
^  Exit: (218) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (218) [system] integer('E')
   Fail: (218) [system] integer('E')
   Call: (218) [system] _917136='E'
   Exit: (218) [system] 'E'='E'
^  Exit: (217) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (216) [user] read_symbolic(')', (0x563acd73bee0), 'E', 'E')
^  Exit: (215) [user] cont_sexpr(')', (0x563acd73bee0), 'E')
^  Call: (215) [user] read_list(')', (0x563acd73bee0), _979686)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _981544)
   Exit: (217) [system] peek_char((0x563acd73bee0), ')')
   Call: (217) [system] ')'=(;)
   Fail: (217) [system] ')'=(;)
   Call: (217) [system] ')'=(/)
   Fail: (217) [system] ')'=(/)
^  Call: (217) [user] is_like_space(')')
   Call: (218) [system] char_type(')', 'white')
   Fail: (218) [system] char_type(')', 'white')
   Call: (218) [system] char_type(')', end_of_line)
   Fail: (218) [system] char_type(')', end_of_line)
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] char_type(')', cntrl)
   Fail: (218) [system] char_type(')', cntrl)
^  Fail: (217) [user] is_like_space(')')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _997554)
   Exit: (216) [system] peek_char((0x563acd73bee0), ')')
   Call: (216) [system] ')'=')'
   Exit: (216) [system] ')'=')'
   Call: (216) [system] get_char((0x563acd73bee0), _1001344)
   Exit: (216) [system] get_char((0x563acd73bee0), ')')
   Call: (216) [system] _979686=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_list(')', (0x563acd73bee0), [])
   Call: (215) [system] _880476=['E']
   Exit: (215) [system] ['E']=['E']
^  Exit: (214) [user] read_list(')', (0x563acd73bee0), ['E'])
   Call: (214) [system] _422382=[['OrLink', 'C', 'D'], 'E']
   Exit: (214) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (213) [user] read_list(')', (0x563acd73bee0), [['OrLink', 'C', 'D'], 'E'])
   Call: (213) [system] _149386=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (213) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (212) [user] read_list(')', (0x563acd73bee0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (211) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (211) [user] read_list(')', (0x563acd73bee0), _1015226)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1017084)
   Exit: (213) [system] peek_char((0x563acd73bee0), ')')
   Call: (213) [system] ')'=(;)
   Fail: (213) [system] ')'=(;)
   Call: (213) [system] ')'=(/)
   Fail: (213) [system] ')'=(/)
^  Call: (213) [user] is_like_space(')')
   Call: (214) [system] char_type(')', 'white')
   Fail: (214) [system] char_type(')', 'white')
   Call: (214) [system] char_type(')', end_of_line)
   Fail: (214) [system] char_type(')', end_of_line)
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] char_type(')', cntrl)
   Fail: (214) [system] char_type(')', cntrl)
^  Fail: (213) [user] is_like_space(')')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1033094)
   Exit: (212) [system] peek_char((0x563acd73bee0), ')')
   Call: (212) [system] ')'=')'
   Exit: (212) [system] ')'=')'
   Call: (212) [system] get_char((0x563acd73bee0), _1036884)
   Exit: (212) [system] get_char((0x563acd73bee0), ')')
   Call: (212) [system] _1015226=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_list(')', (0x563acd73bee0), [])
   Call: (211) [system] _112726=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (211) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (210) [user] read_list(')', (0x563acd73bee0), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (210) [system] _4576=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (210) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (209) [user] read_list(')', (0x563acd73bee0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (209) [system] _4568=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (209) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (208) [user] read_list(')', (0x563acd73bee0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (207) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (207) [user] read_list(')', (0x563acd73bee0), _1050766)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1052624)
   Exit: (209) [system] peek_char((0x563acd73bee0), ')')
   Call: (209) [system] ')'=(;)
   Fail: (209) [system] ')'=(;)
   Call: (209) [system] ')'=(/)
   Fail: (209) [system] ')'=(/)
^  Call: (209) [user] is_like_space(')')
   Call: (210) [system] char_type(')', 'white')
   Fail: (210) [system] char_type(')', 'white')
   Call: (210) [system] char_type(')', end_of_line)
   Fail: (210) [system] char_type(')', end_of_line)
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] char_type(')', cntrl)
   Fail: (210) [system] char_type(')', cntrl)
^  Fail: (209) [user] is_like_space(')')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1068634)
   Exit: (208) [system] peek_char((0x563acd73bee0), ')')
   Call: (208) [system] ')'=')'
   Exit: (208) [system] ')'=')'
   Call: (208) [system] get_char((0x563acd73bee0), _1072424)
   Exit: (208) [system] get_char((0x563acd73bee0), ')')
   Call: (208) [system] _1050766=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_list(')', (0x563acd73bee0), [])
   Call: (207) [system] _4564=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (207) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (206) [user] read_list(')', (0x563acd73bee0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (206) [system] _4522=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (206) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (205) [user] read_list(')', (0x563acd73bee0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (205) [system] _4514=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (205) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (204) [user] read_list(')', (0x563acd73bee0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (203) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (203) [user] read_list(')', (0x563acd73bee0), _1086306)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1088164)
   Exit: (205) [system] peek_char((0x563acd73bee0), ')')
   Call: (205) [system] ')'=(;)
   Fail: (205) [system] ')'=(;)
   Call: (205) [system] ')'=(/)
   Fail: (205) [system] ')'=(/)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Fail: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Fail: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
   Fail: (206) [system] char_type(')', cntrl)
^  Fail: (205) [user] is_like_space(')')
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1104174)
   Exit: (204) [system] peek_char((0x563acd73bee0), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x563acd73bee0), _1107964)
   Exit: (204) [system] get_char((0x563acd73bee0), ')')
   Call: (204) [system] _1086306=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x563acd73bee0), [])
   Call: (203) [system] _4510=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (203) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (202) [user] read_list(')', (0x563acd73bee0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (202) [system] _4468=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (202) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (201) [user] read_list(')', (0x563acd73bee0), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (201) [system] _4460=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (201) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (200) [user] read_list(')', (0x563acd73bee0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Exit: (199) [user] cont_sexpr(')', (0x563acd73bee0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Call: (199) [user] read_list(')', (0x563acd73bee0), _1121846)
^  Call: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1123704)
   Exit: (201) [system] peek_char((0x563acd73bee0), '\n')
   Call: (201) [system] '\n'=(;)
   Fail: (201) [system] '\n'=(;)
   Call: (201) [system] '\n'=(/)
   Fail: (201) [system] '\n'=(/)
^  Call: (201) [user] is_like_space('\n')
   Call: (202) [system] char_type('\n', 'white')
   Fail: (202) [system] char_type('\n', 'white')
   Call: (202) [system] char_type('\n', end_of_line)
   Exit: (202) [system] char_type('\n', end_of_line)
^  Exit: (201) [user] is_like_space('\n')
   Call: (201) [system] get_char((0x563acd73bee0), _1135154)
   Exit: (201) [system] get_char((0x563acd73bee0), '\n')
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1137858)
   Exit: (202) [system] peek_char((0x563acd73bee0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
   Call: (202) [system] ' '=(/)
   Fail: (202) [system] ' '=(/)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x563acd73bee0), _1147452)
   Exit: (202) [system] get_char((0x563acd73bee0), ' ')
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1150156)
   Exit: (203) [system] peek_char((0x563acd73bee0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
^  Exit: (200) [user] skip_spaces((0x563acd73bee0))
   Call: (200) [system] peek_char((0x563acd73bee0), _1168014)
   Exit: (200) [system] peek_char((0x563acd73bee0), '(')
   Call: (200) [system] '('=')'
   Fail: (200) [system] '('=')'
   Call: (200) [system] '('=end_of_file
   Fail: (200) [system] '('=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x563acd73bee0), _1173584)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1175442)
   Exit: (202) [system] peek_char((0x563acd73bee0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
   Call: (202) [system] '('=(/)
   Fail: (202) [system] '('=(/)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] get_char((0x563acd73bee0), _1191452)
   Exit: (201) [system] get_char((0x563acd73bee0), '(')
   Call: (201) [system] '('='('
   Exit: (201) [system] '('='('
^  Call: (201) [user] read_list(')', (0x563acd73bee0), _1173584)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1197022)
   Exit: (203) [system] peek_char((0x563acd73bee0), :)
   Call: (203) [system] (:)=(;)
   Fail: (203) [system] (:)=(;)
   Call: (203) [system] (:)=(/)
   Fail: (203) [system] (:)=(/)
^  Call: (203) [user] is_like_space(:)
   Call: (204) [system] char_type(:, 'white')
   Fail: (204) [system] char_type(:, 'white')
   Call: (204) [system] char_type(:, end_of_line)
   Fail: (204) [system] char_type(:, end_of_line)
   Call: (204) [system] char_type(:, space)
   Fail: (204) [system] char_type(:, space)
   Call: (204) [system] char_type(:, cntrl)
   Fail: (204) [system] char_type(:, cntrl)
^  Fail: (203) [user] is_like_space(:)
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1213032)
   Exit: (202) [system] peek_char((0x563acd73bee0), :)
   Call: (202) [system] (:)=')'
   Fail: (202) [system] (:)=')'
   Call: (202) [system] (:)=end_of_file
   Fail: (202) [system] (:)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x563acd73bee0), _1218602)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1220460)
   Exit: (204) [system] peek_char((0x563acd73bee0), :)
   Call: (204) [system] (:)=(;)
   Fail: (204) [system] (:)=(;)
   Call: (204) [system] (:)=(/)
   Fail: (204) [system] (:)=(/)
^  Call: (204) [user] is_like_space(:)
   Call: (205) [system] char_type(:, 'white')
   Fail: (205) [system] char_type(:, 'white')
   Call: (205) [system] char_type(:, end_of_line)
   Fail: (205) [system] char_type(:, end_of_line)
   Call: (205) [system] char_type(:, space)
   Fail: (205) [system] char_type(:, space)
   Call: (205) [system] char_type(:, cntrl)
   Fail: (205) [system] char_type(:, cntrl)
^  Fail: (204) [user] is_like_space(:)
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] get_char((0x563acd73bee0), _1236470)
   Exit: (203) [system] get_char((0x563acd73bee0), :)
   Call: (203) [system] (:)='('
   Fail: (203) [system] (:)='('
   Call: (203) [system] (:)='['
   Fail: (203) [system] (:)='['
   Call: (203) [system] (:)='{'
   Fail: (203) [system] (:)='{'
   Call: (203) [system] (:)='"'
   Fail: (203) [system] (:)='"'
   Call: (203) [system] (:)=!
   Fail: (203) [system] (:)=!
   Call: (203) [system] (:)='\''
   Fail: (203) [system] (:)='\''
   Call: (203) [system] (:)='`'
   Fail: (203) [system] (:)='`'
   Call: (203) [system] (:)=end_of_file
   Fail: (203) [system] (:)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x563acd73bee0), :, _1218602)
^  Call: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), _1254112)
   Call: (205) [system] peek_char((0x563acd73bee0), _1255046)
   Exit: (205) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _1254112=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (204) [user] classify_and_convert_charseq([:], _1218602)
^  Call: (205) [user] classify_and_convert_charseq_([:], _1264330)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_1265282, _1265284), once(user:catch(read_from_chars([:], _1264330), _1265264, fail)), '$restore_trace'(_1265282, _1265284))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_1265282, _1265284))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1265264, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(:)
   Exit: (206) [system] atomic(:)
^  Exit: (205) [user] classify_and_convert_charseq_([:], :)
   Call: (205) [system] integer(:)
   Fail: (205) [system] integer(:)
   Call: (205) [system] _1218602=(:)
   Exit: (205) [system] (:)=(:)
^  Exit: (204) [user] classify_and_convert_charseq([:], :)
^  Exit: (203) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (202) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (202) [user] read_list(')', (0x563acd73bee0), _1277410)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1279268)
   Exit: (204) [system] peek_char((0x563acd73bee0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x563acd73bee0), _1288862)
   Exit: (204) [system] get_char((0x563acd73bee0), ' ')
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1291566)
   Exit: (205) [system] peek_char((0x563acd73bee0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1308500)
   Exit: (203) [system] peek_char((0x563acd73bee0), '(')
   Call: (203) [system] '('=')'
   Fail: (203) [system] '('=')'
   Call: (203) [system] '('=end_of_file
   Fail: (203) [system] '('=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x563acd73bee0), _1314070)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1315928)
   Exit: (205) [system] peek_char((0x563acd73bee0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] get_char((0x563acd73bee0), _1331938)
   Exit: (204) [system] get_char((0x563acd73bee0), '(')
   Call: (204) [system] '('='('
   Exit: (204) [system] '('='('
^  Call: (204) [user] read_list(')', (0x563acd73bee0), _1314070)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1337508)
   Exit: (206) [system] peek_char((0x563acd73bee0), 'D')
   Call: (206) [system] 'D'=(;)
   Fail: (206) [system] 'D'=(;)
   Call: (206) [system] 'D'=(/)
   Fail: (206) [system] 'D'=(/)
^  Call: (206) [user] is_like_space('D')
   Call: (207) [system] char_type('D', 'white')
   Fail: (207) [system] char_type('D', 'white')
   Call: (207) [system] char_type('D', end_of_line)
   Fail: (207) [system] char_type('D', end_of_line)
   Call: (207) [system] char_type('D', space)
   Fail: (207) [system] char_type('D', space)
   Call: (207) [system] char_type('D', cntrl)
   Fail: (207) [system] char_type('D', cntrl)
^  Fail: (206) [user] is_like_space('D')
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1353518)
   Exit: (205) [system] peek_char((0x563acd73bee0), 'D')
   Call: (205) [system] 'D'=')'
   Fail: (205) [system] 'D'=')'
   Call: (205) [system] 'D'=end_of_file
   Fail: (205) [system] 'D'=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x563acd73bee0), _1359088)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1360946)
   Exit: (207) [system] peek_char((0x563acd73bee0), 'D')
   Call: (207) [system] 'D'=(;)
   Fail: (207) [system] 'D'=(;)
   Call: (207) [system] 'D'=(/)
   Fail: (207) [system] 'D'=(/)
^  Call: (207) [user] is_like_space('D')
   Call: (208) [system] char_type('D', 'white')
   Fail: (208) [system] char_type('D', 'white')
   Call: (208) [system] char_type('D', end_of_line)
   Fail: (208) [system] char_type('D', end_of_line)
   Call: (208) [system] char_type('D', space)
   Fail: (208) [system] char_type('D', space)
   Call: (208) [system] char_type('D', cntrl)
   Fail: (208) [system] char_type('D', cntrl)
^  Fail: (207) [user] is_like_space('D')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] get_char((0x563acd73bee0), _1376956)
   Exit: (206) [system] get_char((0x563acd73bee0), 'D')
   Call: (206) [system] 'D'='('
   Fail: (206) [system] 'D'='('
   Call: (206) [system] 'D'='['
   Fail: (206) [system] 'D'='['
   Call: (206) [system] 'D'='{'
   Fail: (206) [system] 'D'='{'
   Call: (206) [system] 'D'='"'
   Fail: (206) [system] 'D'='"'
   Call: (206) [system] 'D'=!
   Fail: (206) [system] 'D'=!
   Call: (206) [system] 'D'='\''
   Fail: (206) [system] 'D'='\''
   Call: (206) [system] 'D'='`'
   Fail: (206) [system] 'D'='`'
   Call: (206) [system] 'D'=end_of_file
   Fail: (206) [system] 'D'=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x563acd73bee0), 'D', _1359088)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _1394598)
   Call: (208) [system] peek_char((0x563acd73bee0), _1395532)
   Exit: (208) [system] peek_char((0x563acd73bee0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_1400252, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_1401184, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x563acd73bee0), i)
   Exit: (208) [system] get_char((0x563acd73bee0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1408534)
   Call: (209) [system] peek_char((0x563acd73bee0), _1409468)
   Exit: (209) [system] peek_char((0x563acd73bee0), s)
^  Call: (209) [user] is_delimiter(s)
   Call: (210) [system] char_type(s, space)
   Fail: (210) [system] char_type(s, space)
   Call: (210) [system] arg(_1414188, v('(', ')', end_of_file), s)
   Fail: (210) [system] arg(_1415120, v('(', ')', end_of_file), s)
^  Fail: (209) [user] is_delimiter(s)
   Call: (209) [system] ')'==s
   Fail: (209) [system] ')'==s
   Call: (209) [system] get_char((0x563acd73bee0), s)
   Exit: (209) [system] get_char((0x563acd73bee0), s)
   Call: (209) [system] s=(\)
   Fail: (209) [system] s=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1422470)
   Call: (210) [system] peek_char((0x563acd73bee0), _1423404)
   Exit: (210) [system] peek_char((0x563acd73bee0), j)
^  Call: (210) [user] is_delimiter(j)
   Call: (211) [system] char_type(j, space)
   Fail: (211) [system] char_type(j, space)
   Call: (211) [system] arg(_1428124, v('(', ')', end_of_file), j)
   Fail: (211) [system] arg(_1429056, v('(', ')', end_of_file), j)
^  Fail: (210) [user] is_delimiter(j)
   Call: (210) [system] ')'==j
   Fail: (210) [system] ')'==j
   Call: (210) [system] get_char((0x563acd73bee0), j)
   Exit: (210) [system] get_char((0x563acd73bee0), j)
   Call: (210) [system] j=(\)
   Fail: (210) [system] j=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1436406)
   Call: (211) [system] peek_char((0x563acd73bee0), _1437340)
   Exit: (211) [system] peek_char((0x563acd73bee0), u)
^  Call: (211) [user] is_delimiter(u)
   Call: (212) [system] char_type(u, space)
   Fail: (212) [system] char_type(u, space)
   Call: (212) [system] arg(_1442060, v('(', ')', end_of_file), u)
   Fail: (212) [system] arg(_1442992, v('(', ')', end_of_file), u)
^  Fail: (211) [user] is_delimiter(u)
   Call: (211) [system] ')'==u
   Fail: (211) [system] ')'==u
   Call: (211) [system] get_char((0x563acd73bee0), u)
   Exit: (211) [system] get_char((0x563acd73bee0), u)
   Call: (211) [system] u=(\)
   Fail: (211) [system] u=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1450342)
   Call: (212) [system] peek_char((0x563acd73bee0), _1451276)
   Exit: (212) [system] peek_char((0x563acd73bee0), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Fail: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_1455996, v('(', ')', end_of_file), n)
   Fail: (213) [system] arg(_1456928, v('(', ')', end_of_file), n)
^  Fail: (212) [user] is_delimiter(n)
   Call: (212) [system] ')'==n
   Fail: (212) [system] ')'==n
   Call: (212) [system] get_char((0x563acd73bee0), n)
   Exit: (212) [system] get_char((0x563acd73bee0), n)
   Call: (212) [system] n=(\)
   Fail: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _1464278)
   Call: (213) [system] peek_char((0x563acd73bee0), _1465212)
   Exit: (213) [system] peek_char((0x563acd73bee0), c)
^  Call: (213) [user] is_delimiter(c)
   Call: (214) [system] char_type(c, space)
   Fail: (214) [system] char_type(c, space)
   Call: (214) [system] arg(_1469932, v('(', ')', end_of_file), c)
   Fail: (214) [system] arg(_1470864, v('(', ')', end_of_file), c)
^  Fail: (213) [user] is_delimiter(c)
   Call: (213) [system] ')'==c
   Fail: (213) [system] ')'==c
   Call: (213) [system] get_char((0x563acd73bee0), c)
   Exit: (213) [system] get_char((0x563acd73bee0), c)
   Call: (213) [system] c=(\)
   Fail: (213) [system] c=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _1478214)
   Call: (214) [system] peek_char((0x563acd73bee0), _1479148)
   Exit: (214) [system] peek_char((0x563acd73bee0), t)
^  Call: (214) [user] is_delimiter(t)
   Call: (215) [system] char_type(t, space)
   Fail: (215) [system] char_type(t, space)
   Call: (215) [system] arg(_1483868, v('(', ')', end_of_file), t)
   Fail: (215) [system] arg(_1484800, v('(', ')', end_of_file), t)
^  Fail: (214) [user] is_delimiter(t)
   Call: (214) [system] ')'==t
   Fail: (214) [system] ')'==t
   Call: (214) [system] get_char((0x563acd73bee0), t)
   Exit: (214) [system] get_char((0x563acd73bee0), t)
   Call: (214) [system] t=(\)
   Fail: (214) [system] t=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _1492150)
   Call: (215) [system] peek_char((0x563acd73bee0), _1493084)
   Exit: (215) [system] peek_char((0x563acd73bee0), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Fail: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_1497804, v('(', ')', end_of_file), i)
   Fail: (216) [system] arg(_1498736, v('(', ')', end_of_file), i)
^  Fail: (215) [user] is_delimiter(i)
   Call: (215) [system] ')'==i
   Fail: (215) [system] ')'==i
   Call: (215) [system] get_char((0x563acd73bee0), i)
   Exit: (215) [system] get_char((0x563acd73bee0), i)
   Call: (215) [system] i=(\)
   Fail: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _1506086)
   Call: (216) [system] peek_char((0x563acd73bee0), _1507020)
   Exit: (216) [system] peek_char((0x563acd73bee0), o)
^  Call: (216) [user] is_delimiter(o)
   Call: (217) [system] char_type(o, space)
   Fail: (217) [system] char_type(o, space)
   Call: (217) [system] arg(_1511740, v('(', ')', end_of_file), o)
   Fail: (217) [system] arg(_1512672, v('(', ')', end_of_file), o)
^  Fail: (216) [user] is_delimiter(o)
   Call: (216) [system] ')'==o
   Fail: (216) [system] ')'==o
   Call: (216) [system] get_char((0x563acd73bee0), o)
   Exit: (216) [system] get_char((0x563acd73bee0), o)
   Call: (216) [system] o=(\)
   Fail: (216) [system] o=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _1520022)
   Call: (217) [system] peek_char((0x563acd73bee0), _1520956)
   Exit: (217) [system] peek_char((0x563acd73bee0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_1525676, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_1526608, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x563acd73bee0), n)
   Exit: (217) [system] get_char((0x563acd73bee0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _1533958)
   Call: (218) [system] peek_char((0x563acd73bee0), _1534892)
   Exit: (218) [system] peek_char((0x563acd73bee0), 'I')
^  Call: (218) [user] is_delimiter('I')
   Call: (219) [system] char_type('I', space)
   Fail: (219) [system] char_type('I', space)
   Call: (219) [system] arg(_1539612, v('(', ')', end_of_file), 'I')
   Fail: (219) [system] arg(_1540544, v('(', ')', end_of_file), 'I')
^  Fail: (218) [user] is_delimiter('I')
   Call: (218) [system] ')'=='I'
   Fail: (218) [system] ')'=='I'
   Call: (218) [system] get_char((0x563acd73bee0), 'I')
   Exit: (218) [system] get_char((0x563acd73bee0), 'I')
   Call: (218) [system] 'I'=(\)
   Fail: (218) [system] 'I'=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _1547894)
   Call: (219) [system] peek_char((0x563acd73bee0), _1548828)
   Exit: (219) [system] peek_char((0x563acd73bee0), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_1553548, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_1554480, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x563acd73bee0), n)
   Exit: (219) [system] get_char((0x563acd73bee0), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _1561830)
   Call: (220) [system] peek_char((0x563acd73bee0), _1562764)
   Exit: (220) [system] peek_char((0x563acd73bee0), t)
^  Call: (220) [user] is_delimiter(t)
   Call: (221) [system] char_type(t, space)
   Fail: (221) [system] char_type(t, space)
   Call: (221) [system] arg(_1567484, v('(', ')', end_of_file), t)
   Fail: (221) [system] arg(_1568416, v('(', ')', end_of_file), t)
^  Fail: (220) [user] is_delimiter(t)
   Call: (220) [system] ')'==t
   Fail: (220) [system] ')'==t
   Call: (220) [system] get_char((0x563acd73bee0), t)
   Exit: (220) [system] get_char((0x563acd73bee0), t)
   Call: (220) [system] t=(\)
   Fail: (220) [system] t=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _1575766)
   Call: (221) [system] peek_char((0x563acd73bee0), _1576700)
   Exit: (221) [system] peek_char((0x563acd73bee0), r)
^  Call: (221) [user] is_delimiter(r)
   Call: (222) [system] char_type(r, space)
   Fail: (222) [system] char_type(r, space)
   Call: (222) [system] arg(_1581420, v('(', ')', end_of_file), r)
   Fail: (222) [system] arg(_1582352, v('(', ')', end_of_file), r)
^  Fail: (221) [user] is_delimiter(r)
   Call: (221) [system] ')'==r
   Fail: (221) [system] ')'==r
   Call: (221) [system] get_char((0x563acd73bee0), r)
   Exit: (221) [system] get_char((0x563acd73bee0), r)
   Call: (221) [system] r=(\)
   Fail: (221) [system] r=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _1589702)
   Call: (222) [system] peek_char((0x563acd73bee0), _1590636)
   Exit: (222) [system] peek_char((0x563acd73bee0), o)
^  Call: (222) [user] is_delimiter(o)
   Call: (223) [system] char_type(o, space)
   Fail: (223) [system] char_type(o, space)
   Call: (223) [system] arg(_1595356, v('(', ')', end_of_file), o)
   Fail: (223) [system] arg(_1596288, v('(', ')', end_of_file), o)
^  Fail: (222) [user] is_delimiter(o)
   Call: (222) [system] ')'==o
   Fail: (222) [system] ')'==o
   Call: (222) [system] get_char((0x563acd73bee0), o)
   Exit: (222) [system] get_char((0x563acd73bee0), o)
   Call: (222) [system] o=(\)
   Fail: (222) [system] o=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _1603638)
   Call: (223) [system] peek_char((0x563acd73bee0), _1604572)
   Exit: (223) [system] peek_char((0x563acd73bee0), d)
^  Call: (223) [user] is_delimiter(d)
   Call: (224) [system] char_type(d, space)
   Fail: (224) [system] char_type(d, space)
   Call: (224) [system] arg(_1609292, v('(', ')', end_of_file), d)
   Fail: (224) [system] arg(_1610224, v('(', ')', end_of_file), d)
^  Fail: (223) [user] is_delimiter(d)
   Call: (223) [system] ')'==d
   Fail: (223) [system] ')'==d
   Call: (223) [system] get_char((0x563acd73bee0), d)
   Exit: (223) [system] get_char((0x563acd73bee0), d)
   Call: (223) [system] d=(\)
   Fail: (223) [system] d=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _1617574)
   Call: (224) [system] peek_char((0x563acd73bee0), _1618508)
   Exit: (224) [system] peek_char((0x563acd73bee0), u)
^  Call: (224) [user] is_delimiter(u)
   Call: (225) [system] char_type(u, space)
   Fail: (225) [system] char_type(u, space)
   Call: (225) [system] arg(_1623228, v('(', ')', end_of_file), u)
   Fail: (225) [system] arg(_1624160, v('(', ')', end_of_file), u)
^  Fail: (224) [user] is_delimiter(u)
   Call: (224) [system] ')'==u
   Fail: (224) [system] ')'==u
   Call: (224) [system] get_char((0x563acd73bee0), u)
   Exit: (224) [system] get_char((0x563acd73bee0), u)
   Call: (224) [system] u=(\)
   Fail: (224) [system] u=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _1631510)
   Call: (225) [system] peek_char((0x563acd73bee0), _1632444)
   Exit: (225) [system] peek_char((0x563acd73bee0), c)
^  Call: (225) [user] is_delimiter(c)
   Call: (226) [system] char_type(c, space)
   Fail: (226) [system] char_type(c, space)
   Call: (226) [system] arg(_1637164, v('(', ')', end_of_file), c)
   Fail: (226) [system] arg(_1638096, v('(', ')', end_of_file), c)
^  Fail: (225) [user] is_delimiter(c)
   Call: (225) [system] ')'==c
   Fail: (225) [system] ')'==c
   Call: (225) [system] get_char((0x563acd73bee0), c)
   Exit: (225) [system] get_char((0x563acd73bee0), c)
   Call: (225) [system] c=(\)
   Fail: (225) [system] c=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _1645446)
   Call: (226) [system] peek_char((0x563acd73bee0), _1646380)
   Exit: (226) [system] peek_char((0x563acd73bee0), t)
^  Call: (226) [user] is_delimiter(t)
   Call: (227) [system] char_type(t, space)
   Fail: (227) [system] char_type(t, space)
   Call: (227) [system] arg(_1651100, v('(', ')', end_of_file), t)
   Fail: (227) [system] arg(_1652032, v('(', ')', end_of_file), t)
^  Fail: (226) [user] is_delimiter(t)
   Call: (226) [system] ')'==t
   Fail: (226) [system] ')'==t
   Call: (226) [system] get_char((0x563acd73bee0), t)
   Exit: (226) [system] get_char((0x563acd73bee0), t)
   Call: (226) [system] t=(\)
   Fail: (226) [system] t=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _1659382)
   Call: (227) [system] peek_char((0x563acd73bee0), _1660316)
   Exit: (227) [system] peek_char((0x563acd73bee0), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_1665036, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_1665968, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x563acd73bee0), i)
   Exit: (227) [system] get_char((0x563acd73bee0), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _1673318)
   Call: (228) [system] peek_char((0x563acd73bee0), _1674252)
   Exit: (228) [system] peek_char((0x563acd73bee0), o)
^  Call: (228) [user] is_delimiter(o)
   Call: (229) [system] char_type(o, space)
   Fail: (229) [system] char_type(o, space)
   Call: (229) [system] arg(_1678972, v('(', ')', end_of_file), o)
   Fail: (229) [system] arg(_1679904, v('(', ')', end_of_file), o)
^  Fail: (228) [user] is_delimiter(o)
   Call: (228) [system] ')'==o
   Fail: (228) [system] ')'==o
   Call: (228) [system] get_char((0x563acd73bee0), o)
   Exit: (228) [system] get_char((0x563acd73bee0), o)
   Call: (228) [system] o=(\)
   Fail: (228) [system] o=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _1687254)
   Call: (229) [system] peek_char((0x563acd73bee0), _1688188)
   Exit: (229) [system] peek_char((0x563acd73bee0), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_1692908, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_1693840, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x563acd73bee0), n)
   Exit: (229) [system] get_char((0x563acd73bee0), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _1701190)
   Call: (230) [system] peek_char((0x563acd73bee0), _1702124)
   Exit: (230) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _1701190=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (229) [system] _1687254=[n]
   Exit: (229) [system] [n]=[n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (228) [system] _1673318=[o, n]
   Exit: (228) [system] [o, n]=[o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (227) [system] _1659382=[i, o, n]
   Exit: (227) [system] [i, o, n]=[i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (226) [system] _1645446=[t, i, o, n]
   Exit: (226) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (225) [system] _1631510=[c, t, i, o, n]
   Exit: (225) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n])
   Call: (224) [system] _1617574=[u, c, t, i, o, n]
   Exit: (224) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, i, o, n])
   Call: (223) [system] _1603638=[d, u, c, t, i, o, n]
   Exit: (223) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, u, c, t, i, o, n])
   Call: (222) [system] _1589702=[o, d, u, c, t, i, o, n]
   Exit: (222) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, d, u, c, t, i, o, n])
   Call: (221) [system] _1575766=[r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1561830=[t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1547894=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1533958=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1520022=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1506086=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1492150=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _1478214=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1464278=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _1450342=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _1436406=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _1422470=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _1408534=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _1394598=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (207) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1359088)
^  Call: (208) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1772876)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_1773828, _1773830), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1772876), _1773810, fail)), '$restore_trace'(_1773828, _1773830))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_1773828, _1773830))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1772876), _1773810, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_1772876)
   Fail: (209) [system] atomic(_1772876)
   Call: (209) [system] atom_chars(_1772876, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (209) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (208) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (208) [system] integer('DisjunctionIntroduction')
   Fail: (208) [system] integer('DisjunctionIntroduction')
   Call: (208) [system] _1359088='DisjunctionIntroduction'
   Exit: (208) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (207) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (206) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'DisjunctionIntroduction')
^  Exit: (205) [user] cont_sexpr(')', (0x563acd73bee0), 'DisjunctionIntroduction')
^  Call: (205) [user] read_list(')', (0x563acd73bee0), _1787826)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1789684)
   Exit: (207) [system] peek_char((0x563acd73bee0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
   Call: (207) [system] ' '=(/)
   Fail: (207) [system] ' '=(/)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x563acd73bee0), _1799278)
   Exit: (207) [system] get_char((0x563acd73bee0), ' ')
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1801982)
   Exit: (208) [system] peek_char((0x563acd73bee0), a)
   Call: (208) [system] a=(;)
   Fail: (208) [system] a=(;)
   Call: (208) [system] a=(/)
   Fail: (208) [system] a=(/)
^  Call: (208) [user] is_like_space(a)
   Call: (209) [system] char_type(a, 'white')
   Fail: (209) [system] char_type(a, 'white')
   Call: (209) [system] char_type(a, end_of_line)
   Fail: (209) [system] char_type(a, end_of_line)
   Call: (209) [system] char_type(a, space)
   Fail: (209) [system] char_type(a, space)
   Call: (209) [system] char_type(a, cntrl)
   Fail: (209) [system] char_type(a, cntrl)
^  Fail: (208) [user] is_like_space(a)
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1818916)
   Exit: (206) [system] peek_char((0x563acd73bee0), a)
   Call: (206) [system] a=')'
   Fail: (206) [system] a=')'
   Call: (206) [system] a=end_of_file
   Fail: (206) [system] a=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x563acd73bee0), _1824486)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1826344)
   Exit: (208) [system] peek_char((0x563acd73bee0), a)
   Call: (208) [system] a=(;)
   Fail: (208) [system] a=(;)
   Call: (208) [system] a=(/)
   Fail: (208) [system] a=(/)
^  Call: (208) [user] is_like_space(a)
   Call: (209) [system] char_type(a, 'white')
   Fail: (209) [system] char_type(a, 'white')
   Call: (209) [system] char_type(a, end_of_line)
   Fail: (209) [system] char_type(a, end_of_line)
   Call: (209) [system] char_type(a, space)
   Fail: (209) [system] char_type(a, space)
   Call: (209) [system] char_type(a, cntrl)
   Fail: (209) [system] char_type(a, cntrl)
^  Fail: (208) [user] is_like_space(a)
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] get_char((0x563acd73bee0), _1842354)
   Exit: (207) [system] get_char((0x563acd73bee0), a)
   Call: (207) [system] a='('
   Fail: (207) [system] a='('
   Call: (207) [system] a='['
   Fail: (207) [system] a='['
   Call: (207) [system] a='{'
   Fail: (207) [system] a='{'
   Call: (207) [system] a='"'
   Fail: (207) [system] a='"'
   Call: (207) [system] a=!
   Fail: (207) [system] a=!
   Call: (207) [system] a='\''
   Fail: (207) [system] a='\''
   Call: (207) [system] a='`'
   Fail: (207) [system] a='`'
   Call: (207) [system] a=end_of_file
   Fail: (207) [system] a=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x563acd73bee0), a, _1824486)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1859996)
   Call: (209) [system] peek_char((0x563acd73bee0), _1860930)
   Exit: (209) [system] peek_char((0x563acd73bee0), b)
^  Call: (209) [user] is_delimiter(b)
   Call: (210) [system] char_type(b, space)
   Fail: (210) [system] char_type(b, space)
   Call: (210) [system] arg(_1865650, v('(', ')', end_of_file), b)
   Fail: (210) [system] arg(_1866582, v('(', ')', end_of_file), b)
^  Fail: (209) [user] is_delimiter(b)
   Call: (209) [system] ')'==b
   Fail: (209) [system] ')'==b
   Call: (209) [system] get_char((0x563acd73bee0), b)
   Exit: (209) [system] get_char((0x563acd73bee0), b)
   Call: (209) [system] b=(\)
   Fail: (209) [system] b=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1873932)
   Call: (210) [system] peek_char((0x563acd73bee0), _1874866)
   Exit: (210) [system] peek_char((0x563acd73bee0), c)
^  Call: (210) [user] is_delimiter(c)
   Call: (211) [system] char_type(c, space)
   Fail: (211) [system] char_type(c, space)
   Call: (211) [system] arg(_1879586, v('(', ')', end_of_file), c)
   Fail: (211) [system] arg(_1880518, v('(', ')', end_of_file), c)
^  Fail: (210) [user] is_delimiter(c)
   Call: (210) [system] ')'==c
   Fail: (210) [system] ')'==c
   Call: (210) [system] get_char((0x563acd73bee0), c)
   Exit: (210) [system] get_char((0x563acd73bee0), c)
   Call: (210) [system] c=(\)
   Fail: (210) [system] c=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1887868)
   Call: (211) [system] peek_char((0x563acd73bee0), _1888802)
   Exit: (211) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _1887868=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (210) [system] _1873932=[c]
   Exit: (210) [system] [c]=[c]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [c])
   Call: (209) [system] _1859996=[b, c]
   Exit: (209) [system] [b, c]=[b, c]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [b, c])
^  Call: (208) [user] classify_and_convert_charseq([a, b, c], _1824486)
^  Call: (209) [user] classify_and_convert_charseq_([a, b, c], _1903674)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_1904626, _1904628), once(user:catch(read_from_chars([a, b, c], _1903674), _1904608, fail)), '$restore_trace'(_1904626, _1904628))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_1904626, _1904628))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1904608, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(abc)
   Exit: (210) [system] atomic(abc)
^  Exit: (209) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (209) [system] integer(abc)
   Fail: (209) [system] integer(abc)
   Call: (209) [system] _1824486=abc
   Exit: (209) [system] abc=abc
^  Exit: (208) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (207) [user] read_symbolic(')', (0x563acd73bee0), a, abc)
^  Exit: (206) [user] cont_sexpr(')', (0x563acd73bee0), abc)
^  Call: (206) [user] read_list(')', (0x563acd73bee0), _1916754)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1918612)
   Exit: (208) [system] peek_char((0x563acd73bee0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x563acd73bee0), _1928206)
   Exit: (208) [system] get_char((0x563acd73bee0), ' ')
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1930910)
   Exit: (209) [system] peek_char((0x563acd73bee0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1947844)
   Exit: (207) [system] peek_char((0x563acd73bee0), '(')
   Call: (207) [system] '('=')'
   Fail: (207) [system] '('=')'
   Call: (207) [system] '('=end_of_file
   Fail: (207) [system] '('=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x563acd73bee0), _1953414)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1955272)
   Exit: (209) [system] peek_char((0x563acd73bee0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] get_char((0x563acd73bee0), _1971282)
   Exit: (208) [system] get_char((0x563acd73bee0), '(')
   Call: (208) [system] '('='('
   Exit: (208) [system] '('='('
^  Call: (208) [user] read_list(')', (0x563acd73bee0), _1953414)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1976852)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'D')
   Call: (210) [system] 'D'=(;)
   Fail: (210) [system] 'D'=(;)
   Call: (210) [system] 'D'=(/)
   Fail: (210) [system] 'D'=(/)
^  Call: (210) [user] is_like_space('D')
   Call: (211) [system] char_type('D', 'white')
   Fail: (211) [system] char_type('D', 'white')
   Call: (211) [system] char_type('D', end_of_line)
   Fail: (211) [system] char_type('D', end_of_line)
   Call: (211) [system] char_type('D', space)
   Fail: (211) [system] char_type('D', space)
   Call: (211) [system] char_type('D', cntrl)
   Fail: (211) [system] char_type('D', cntrl)
^  Fail: (210) [user] is_like_space('D')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1992862)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'D')
   Call: (209) [system] 'D'=')'
   Fail: (209) [system] 'D'=')'
   Call: (209) [system] 'D'=end_of_file
   Fail: (209) [system] 'D'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x563acd73bee0), _1998432)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _2000290)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'D')
   Call: (211) [system] 'D'=(;)
   Fail: (211) [system] 'D'=(;)
   Call: (211) [system] 'D'=(/)
   Fail: (211) [system] 'D'=(/)
^  Call: (211) [user] is_like_space('D')
   Call: (212) [system] char_type('D', 'white')
   Fail: (212) [system] char_type('D', 'white')
   Call: (212) [system] char_type('D', end_of_line)
   Fail: (212) [system] char_type('D', end_of_line)
   Call: (212) [system] char_type('D', space)
   Fail: (212) [system] char_type('D', space)
   Call: (212) [system] char_type('D', cntrl)
   Fail: (212) [system] char_type('D', cntrl)
^  Fail: (211) [user] is_like_space('D')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] get_char((0x563acd73bee0), _2016300)
   Exit: (210) [system] get_char((0x563acd73bee0), 'D')
   Call: (210) [system] 'D'='('
   Fail: (210) [system] 'D'='('
   Call: (210) [system] 'D'='['
   Fail: (210) [system] 'D'='['
   Call: (210) [system] 'D'='{'
   Fail: (210) [system] 'D'='{'
   Call: (210) [system] 'D'='"'
   Fail: (210) [system] 'D'='"'
   Call: (210) [system] 'D'=!
   Fail: (210) [system] 'D'=!
   Call: (210) [system] 'D'='\''
   Fail: (210) [system] 'D'='\''
   Call: (210) [system] 'D'='`'
   Fail: (210) [system] 'D'='`'
   Call: (210) [system] 'D'=end_of_file
   Fail: (210) [system] 'D'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x563acd73bee0), 'D', _1998432)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _2033942)
   Call: (212) [system] peek_char((0x563acd73bee0), _2034876)
   Exit: (212) [system] peek_char((0x563acd73bee0), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_2039596, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_2040528, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x563acd73bee0), i)
   Exit: (212) [system] get_char((0x563acd73bee0), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _2047878)
   Call: (213) [system] peek_char((0x563acd73bee0), _2048812)
   Exit: (213) [system] peek_char((0x563acd73bee0), s)
^  Call: (213) [user] is_delimiter(s)
   Call: (214) [system] char_type(s, space)
   Fail: (214) [system] char_type(s, space)
   Call: (214) [system] arg(_2053532, v('(', ')', end_of_file), s)
   Fail: (214) [system] arg(_2054464, v('(', ')', end_of_file), s)
^  Fail: (213) [user] is_delimiter(s)
   Call: (213) [system] ')'==s
   Fail: (213) [system] ')'==s
   Call: (213) [system] get_char((0x563acd73bee0), s)
   Exit: (213) [system] get_char((0x563acd73bee0), s)
   Call: (213) [system] s=(\)
   Fail: (213) [system] s=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _2061814)
   Call: (214) [system] peek_char((0x563acd73bee0), _2062748)
   Exit: (214) [system] peek_char((0x563acd73bee0), j)
^  Call: (214) [user] is_delimiter(j)
   Call: (215) [system] char_type(j, space)
   Fail: (215) [system] char_type(j, space)
   Call: (215) [system] arg(_2067468, v('(', ')', end_of_file), j)
   Fail: (215) [system] arg(_2068400, v('(', ')', end_of_file), j)
^  Fail: (214) [user] is_delimiter(j)
   Call: (214) [system] ')'==j
   Fail: (214) [system] ')'==j
   Call: (214) [system] get_char((0x563acd73bee0), j)
   Exit: (214) [system] get_char((0x563acd73bee0), j)
   Call: (214) [system] j=(\)
   Fail: (214) [system] j=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _2075750)
   Call: (215) [system] peek_char((0x563acd73bee0), _2076684)
   Exit: (215) [system] peek_char((0x563acd73bee0), u)
^  Call: (215) [user] is_delimiter(u)
   Call: (216) [system] char_type(u, space)
   Fail: (216) [system] char_type(u, space)
   Call: (216) [system] arg(_2081404, v('(', ')', end_of_file), u)
   Fail: (216) [system] arg(_2082336, v('(', ')', end_of_file), u)
^  Fail: (215) [user] is_delimiter(u)
   Call: (215) [system] ')'==u
   Fail: (215) [system] ')'==u
   Call: (215) [system] get_char((0x563acd73bee0), u)
   Exit: (215) [system] get_char((0x563acd73bee0), u)
   Call: (215) [system] u=(\)
   Fail: (215) [system] u=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _2089686)
   Call: (216) [system] peek_char((0x563acd73bee0), _2090620)
   Exit: (216) [system] peek_char((0x563acd73bee0), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_2095340, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_4790, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x563acd73bee0), n)
   Exit: (216) [system] get_char((0x563acd73bee0), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _11580)
   Call: (217) [system] peek_char((0x563acd73bee0), _12514)
   Exit: (217) [system] peek_char((0x563acd73bee0), c)
^  Call: (217) [user] is_delimiter(c)
   Call: (218) [system] char_type(c, space)
   Fail: (218) [system] char_type(c, space)
   Call: (218) [system] arg(_17234, v('(', ')', end_of_file), c)
   Fail: (218) [system] arg(_18166, v('(', ')', end_of_file), c)
^  Fail: (217) [user] is_delimiter(c)
   Call: (217) [system] ')'==c
   Fail: (217) [system] ')'==c
   Call: (217) [system] get_char((0x563acd73bee0), c)
   Exit: (217) [system] get_char((0x563acd73bee0), c)
   Call: (217) [system] c=(\)
   Fail: (217) [system] c=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _25516)
   Call: (218) [system] peek_char((0x563acd73bee0), _26450)
   Exit: (218) [system] peek_char((0x563acd73bee0), t)
^  Call: (218) [user] is_delimiter(t)
   Call: (219) [system] char_type(t, space)
   Fail: (219) [system] char_type(t, space)
   Call: (219) [system] arg(_31170, v('(', ')', end_of_file), t)
   Fail: (219) [system] arg(_32102, v('(', ')', end_of_file), t)
^  Fail: (218) [user] is_delimiter(t)
   Call: (218) [system] ')'==t
   Fail: (218) [system] ')'==t
   Call: (218) [system] get_char((0x563acd73bee0), t)
   Exit: (218) [system] get_char((0x563acd73bee0), t)
   Call: (218) [system] t=(\)
   Fail: (218) [system] t=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _39452)
   Call: (219) [system] peek_char((0x563acd73bee0), _40386)
   Exit: (219) [system] peek_char((0x563acd73bee0), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Fail: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_45106, v('(', ')', end_of_file), i)
   Fail: (220) [system] arg(_46038, v('(', ')', end_of_file), i)
^  Fail: (219) [user] is_delimiter(i)
   Call: (219) [system] ')'==i
   Fail: (219) [system] ')'==i
   Call: (219) [system] get_char((0x563acd73bee0), i)
   Exit: (219) [system] get_char((0x563acd73bee0), i)
   Call: (219) [system] i=(\)
   Fail: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _53388)
   Call: (220) [system] peek_char((0x563acd73bee0), _54322)
   Exit: (220) [system] peek_char((0x563acd73bee0), o)
^  Call: (220) [user] is_delimiter(o)
   Call: (221) [system] char_type(o, space)
   Fail: (221) [system] char_type(o, space)
   Call: (221) [system] arg(_59042, v('(', ')', end_of_file), o)
   Fail: (221) [system] arg(_59974, v('(', ')', end_of_file), o)
^  Fail: (220) [user] is_delimiter(o)
   Call: (220) [system] ')'==o
   Fail: (220) [system] ')'==o
   Call: (220) [system] get_char((0x563acd73bee0), o)
   Exit: (220) [system] get_char((0x563acd73bee0), o)
   Call: (220) [system] o=(\)
   Fail: (220) [system] o=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _67324)
   Call: (221) [system] peek_char((0x563acd73bee0), _68258)
   Exit: (221) [system] peek_char((0x563acd73bee0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_72978, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_73910, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x563acd73bee0), n)
   Exit: (221) [system] get_char((0x563acd73bee0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _81260)
   Call: (222) [system] peek_char((0x563acd73bee0), _82194)
   Exit: (222) [system] peek_char((0x563acd73bee0), 'I')
^  Call: (222) [user] is_delimiter('I')
   Call: (223) [system] char_type('I', space)
   Fail: (223) [system] char_type('I', space)
   Call: (223) [system] arg(_86914, v('(', ')', end_of_file), 'I')
   Fail: (223) [system] arg(_87846, v('(', ')', end_of_file), 'I')
^  Fail: (222) [user] is_delimiter('I')
   Call: (222) [system] ')'=='I'
   Fail: (222) [system] ')'=='I'
   Call: (222) [system] get_char((0x563acd73bee0), 'I')
   Exit: (222) [system] get_char((0x563acd73bee0), 'I')
   Call: (222) [system] 'I'=(\)
   Fail: (222) [system] 'I'=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _95196)
   Call: (223) [system] peek_char((0x563acd73bee0), _96130)
   Exit: (223) [system] peek_char((0x563acd73bee0), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_100850, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_101782, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x563acd73bee0), n)
   Exit: (223) [system] get_char((0x563acd73bee0), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _109132)
   Call: (224) [system] peek_char((0x563acd73bee0), _110066)
   Exit: (224) [system] peek_char((0x563acd73bee0), t)
^  Call: (224) [user] is_delimiter(t)
   Call: (225) [system] char_type(t, space)
   Fail: (225) [system] char_type(t, space)
   Call: (225) [system] arg(_114786, v('(', ')', end_of_file), t)
   Fail: (225) [system] arg(_115718, v('(', ')', end_of_file), t)
^  Fail: (224) [user] is_delimiter(t)
   Call: (224) [system] ')'==t
   Fail: (224) [system] ')'==t
   Call: (224) [system] get_char((0x563acd73bee0), t)
   Exit: (224) [system] get_char((0x563acd73bee0), t)
   Call: (224) [system] t=(\)
   Fail: (224) [system] t=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _123068)
   Call: (225) [system] peek_char((0x563acd73bee0), _124002)
   Exit: (225) [system] peek_char((0x563acd73bee0), r)
^  Call: (225) [user] is_delimiter(r)
   Call: (226) [system] char_type(r, space)
   Fail: (226) [system] char_type(r, space)
   Call: (226) [system] arg(_128722, v('(', ')', end_of_file), r)
   Fail: (226) [system] arg(_129654, v('(', ')', end_of_file), r)
^  Fail: (225) [user] is_delimiter(r)
   Call: (225) [system] ')'==r
   Fail: (225) [system] ')'==r
   Call: (225) [system] get_char((0x563acd73bee0), r)
   Exit: (225) [system] get_char((0x563acd73bee0), r)
   Call: (225) [system] r=(\)
   Fail: (225) [system] r=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _137004)
   Call: (226) [system] peek_char((0x563acd73bee0), _137938)
   Exit: (226) [system] peek_char((0x563acd73bee0), o)
^  Call: (226) [user] is_delimiter(o)
   Call: (227) [system] char_type(o, space)
   Fail: (227) [system] char_type(o, space)
   Call: (227) [system] arg(_142658, v('(', ')', end_of_file), o)
   Fail: (227) [system] arg(_143590, v('(', ')', end_of_file), o)
^  Fail: (226) [user] is_delimiter(o)
   Call: (226) [system] ')'==o
   Fail: (226) [system] ')'==o
   Call: (226) [system] get_char((0x563acd73bee0), o)
   Exit: (226) [system] get_char((0x563acd73bee0), o)
   Call: (226) [system] o=(\)
   Fail: (226) [system] o=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _150940)
   Call: (227) [system] peek_char((0x563acd73bee0), _151874)
   Exit: (227) [system] peek_char((0x563acd73bee0), d)
^  Call: (227) [user] is_delimiter(d)
   Call: (228) [system] char_type(d, space)
   Fail: (228) [system] char_type(d, space)
   Call: (228) [system] arg(_156594, v('(', ')', end_of_file), d)
   Fail: (228) [system] arg(_157526, v('(', ')', end_of_file), d)
^  Fail: (227) [user] is_delimiter(d)
   Call: (227) [system] ')'==d
   Fail: (227) [system] ')'==d
   Call: (227) [system] get_char((0x563acd73bee0), d)
   Exit: (227) [system] get_char((0x563acd73bee0), d)
   Call: (227) [system] d=(\)
   Fail: (227) [system] d=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _164876)
   Call: (228) [system] peek_char((0x563acd73bee0), _165810)
   Exit: (228) [system] peek_char((0x563acd73bee0), u)
^  Call: (228) [user] is_delimiter(u)
   Call: (229) [system] char_type(u, space)
   Fail: (229) [system] char_type(u, space)
   Call: (229) [system] arg(_170530, v('(', ')', end_of_file), u)
   Fail: (229) [system] arg(_171462, v('(', ')', end_of_file), u)
^  Fail: (228) [user] is_delimiter(u)
   Call: (228) [system] ')'==u
   Fail: (228) [system] ')'==u
   Call: (228) [system] get_char((0x563acd73bee0), u)
   Exit: (228) [system] get_char((0x563acd73bee0), u)
   Call: (228) [system] u=(\)
   Fail: (228) [system] u=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _178812)
   Call: (229) [system] peek_char((0x563acd73bee0), _179746)
   Exit: (229) [system] peek_char((0x563acd73bee0), c)
^  Call: (229) [user] is_delimiter(c)
   Call: (230) [system] char_type(c, space)
   Fail: (230) [system] char_type(c, space)
   Call: (230) [system] arg(_184466, v('(', ')', end_of_file), c)
   Fail: (230) [system] arg(_185398, v('(', ')', end_of_file), c)
^  Fail: (229) [user] is_delimiter(c)
   Call: (229) [system] ')'==c
   Fail: (229) [system] ')'==c
   Call: (229) [system] get_char((0x563acd73bee0), c)
   Exit: (229) [system] get_char((0x563acd73bee0), c)
   Call: (229) [system] c=(\)
   Fail: (229) [system] c=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _192748)
   Call: (230) [system] peek_char((0x563acd73bee0), _193682)
   Exit: (230) [system] peek_char((0x563acd73bee0), t)
^  Call: (230) [user] is_delimiter(t)
   Call: (231) [system] char_type(t, space)
   Fail: (231) [system] char_type(t, space)
   Call: (231) [system] arg(_198402, v('(', ')', end_of_file), t)
   Fail: (231) [system] arg(_199334, v('(', ')', end_of_file), t)
^  Fail: (230) [user] is_delimiter(t)
   Call: (230) [system] ')'==t
   Fail: (230) [system] ')'==t
   Call: (230) [system] get_char((0x563acd73bee0), t)
   Exit: (230) [system] get_char((0x563acd73bee0), t)
   Call: (230) [system] t=(\)
   Fail: (230) [system] t=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _206684)
   Call: (231) [system] peek_char((0x563acd73bee0), _207618)
   Exit: (231) [system] peek_char((0x563acd73bee0), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Fail: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_212338, v('(', ')', end_of_file), i)
   Fail: (232) [system] arg(_213270, v('(', ')', end_of_file), i)
^  Fail: (231) [user] is_delimiter(i)
   Call: (231) [system] ')'==i
   Fail: (231) [system] ')'==i
   Call: (231) [system] get_char((0x563acd73bee0), i)
   Exit: (231) [system] get_char((0x563acd73bee0), i)
   Call: (231) [system] i=(\)
   Fail: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _220620)
   Call: (232) [system] peek_char((0x563acd73bee0), _221554)
   Exit: (232) [system] peek_char((0x563acd73bee0), o)
^  Call: (232) [user] is_delimiter(o)
   Call: (233) [system] char_type(o, space)
   Fail: (233) [system] char_type(o, space)
   Call: (233) [system] arg(_226274, v('(', ')', end_of_file), o)
   Fail: (233) [system] arg(_227206, v('(', ')', end_of_file), o)
^  Fail: (232) [user] is_delimiter(o)
   Call: (232) [system] ')'==o
   Fail: (232) [system] ')'==o
   Call: (232) [system] get_char((0x563acd73bee0), o)
   Exit: (232) [system] get_char((0x563acd73bee0), o)
   Call: (232) [system] o=(\)
   Fail: (232) [system] o=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _234556)
   Call: (233) [system] peek_char((0x563acd73bee0), _235490)
   Exit: (233) [system] peek_char((0x563acd73bee0), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_240210, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_241142, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x563acd73bee0), n)
   Exit: (233) [system] get_char((0x563acd73bee0), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), _248492)
   Call: (234) [system] peek_char((0x563acd73bee0), _249426)
   Exit: (234) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _248492=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (233) [system] _234556=[n]
   Exit: (233) [system] [n]=[n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (232) [system] _220620=[o, n]
   Exit: (232) [system] [o, n]=[o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (231) [system] _206684=[i, o, n]
   Exit: (231) [system] [i, o, n]=[i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (230) [system] _192748=[t, i, o, n]
   Exit: (230) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (229) [system] _178812=[c, t, i, o, n]
   Exit: (229) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n])
   Call: (228) [system] _164876=[u, c, t, i, o, n]
   Exit: (228) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, i, o, n])
   Call: (227) [system] _150940=[d, u, c, t, i, o, n]
   Exit: (227) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, u, c, t, i, o, n])
   Call: (226) [system] _137004=[o, d, u, c, t, i, o, n]
   Exit: (226) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, d, u, c, t, i, o, n])
   Call: (225) [system] _123068=[r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _109132=[t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _95196=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _81260=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _67324=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _53388=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _39452=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _25516=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _11580=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _4720=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _4716=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _4712=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _4708=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _4704=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (211) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _4700)
^  Call: (212) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _320178)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_321130, _321132), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _320178), _321112, fail)), '$restore_trace'(_321130, _321132))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_321130, _321132))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _320178), _321112, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_320178)
   Fail: (213) [system] atomic(_320178)
   Call: (213) [system] atom_chars(_320178, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (213) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (212) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (212) [system] integer('DisjunctionIntroduction')
   Fail: (212) [system] integer('DisjunctionIntroduction')
   Call: (212) [system] _4700='DisjunctionIntroduction'
   Exit: (212) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (211) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (210) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'DisjunctionIntroduction')
^  Exit: (209) [user] cont_sexpr(')', (0x563acd73bee0), 'DisjunctionIntroduction')
^  Call: (209) [user] read_list(')', (0x563acd73bee0), _335128)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _336986)
   Exit: (211) [system] peek_char((0x563acd73bee0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x563acd73bee0), _346580)
   Exit: (211) [system] get_char((0x563acd73bee0), ' ')
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _349284)
   Exit: (212) [system] peek_char((0x563acd73bee0), a)
   Call: (212) [system] a=(;)
   Fail: (212) [system] a=(;)
   Call: (212) [system] a=(/)
   Fail: (212) [system] a=(/)
^  Call: (212) [user] is_like_space(a)
   Call: (213) [system] char_type(a, 'white')
   Fail: (213) [system] char_type(a, 'white')
   Call: (213) [system] char_type(a, end_of_line)
   Fail: (213) [system] char_type(a, end_of_line)
   Call: (213) [system] char_type(a, space)
   Fail: (213) [system] char_type(a, space)
   Call: (213) [system] char_type(a, cntrl)
   Fail: (213) [system] char_type(a, cntrl)
^  Fail: (212) [user] is_like_space(a)
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _366218)
   Exit: (210) [system] peek_char((0x563acd73bee0), a)
   Call: (210) [system] a=')'
   Fail: (210) [system] a=')'
   Call: (210) [system] a=end_of_file
   Fail: (210) [system] a=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x563acd73bee0), _371788)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _373646)
   Exit: (212) [system] peek_char((0x563acd73bee0), a)
   Call: (212) [system] a=(;)
   Fail: (212) [system] a=(;)
   Call: (212) [system] a=(/)
   Fail: (212) [system] a=(/)
^  Call: (212) [user] is_like_space(a)
   Call: (213) [system] char_type(a, 'white')
   Fail: (213) [system] char_type(a, 'white')
   Call: (213) [system] char_type(a, end_of_line)
   Fail: (213) [system] char_type(a, end_of_line)
   Call: (213) [system] char_type(a, space)
   Fail: (213) [system] char_type(a, space)
   Call: (213) [system] char_type(a, cntrl)
   Fail: (213) [system] char_type(a, cntrl)
^  Fail: (212) [user] is_like_space(a)
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] get_char((0x563acd73bee0), _389656)
   Exit: (211) [system] get_char((0x563acd73bee0), a)
   Call: (211) [system] a='('
   Fail: (211) [system] a='('
   Call: (211) [system] a='['
   Fail: (211) [system] a='['
   Call: (211) [system] a='{'
   Fail: (211) [system] a='{'
   Call: (211) [system] a='"'
   Fail: (211) [system] a='"'
   Call: (211) [system] a=!
   Fail: (211) [system] a=!
   Call: (211) [system] a='\''
   Fail: (211) [system] a='\''
   Call: (211) [system] a='`'
   Fail: (211) [system] a='`'
   Call: (211) [system] a=end_of_file
   Fail: (211) [system] a=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x563acd73bee0), a, _371788)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _407298)
   Call: (213) [system] peek_char((0x563acd73bee0), _408232)
   Exit: (213) [system] peek_char((0x563acd73bee0), b)
^  Call: (213) [user] is_delimiter(b)
   Call: (214) [system] char_type(b, space)
   Fail: (214) [system] char_type(b, space)
   Call: (214) [system] arg(_412952, v('(', ')', end_of_file), b)
   Fail: (214) [system] arg(_413884, v('(', ')', end_of_file), b)
^  Fail: (213) [user] is_delimiter(b)
   Call: (213) [system] ')'==b
   Fail: (213) [system] ')'==b
   Call: (213) [system] get_char((0x563acd73bee0), b)
   Exit: (213) [system] get_char((0x563acd73bee0), b)
   Call: (213) [system] b=(\)
   Fail: (213) [system] b=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _421234)
   Call: (214) [system] peek_char((0x563acd73bee0), _422168)
   Exit: (214) [system] peek_char((0x563acd73bee0), c)
^  Call: (214) [user] is_delimiter(c)
   Call: (215) [system] char_type(c, space)
   Fail: (215) [system] char_type(c, space)
   Call: (215) [system] arg(_426888, v('(', ')', end_of_file), c)
   Fail: (215) [system] arg(_427820, v('(', ')', end_of_file), c)
^  Fail: (214) [user] is_delimiter(c)
   Call: (214) [system] ')'==c
   Fail: (214) [system] ')'==c
   Call: (214) [system] get_char((0x563acd73bee0), c)
   Exit: (214) [system] get_char((0x563acd73bee0), c)
   Call: (214) [system] c=(\)
   Fail: (214) [system] c=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _435170)
   Call: (215) [system] peek_char((0x563acd73bee0), _436104)
   Exit: (215) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _435170=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (214) [system] _421234=[c]
   Exit: (214) [system] [c]=[c]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [c])
   Call: (213) [system] _407298=[b, c]
   Exit: (213) [system] [b, c]=[b, c]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [b, c])
^  Call: (212) [user] classify_and_convert_charseq([a, b, c], _371788)
^  Call: (213) [user] classify_and_convert_charseq_([a, b, c], _450976)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_451928, _451930), once(user:catch(read_from_chars([a, b, c], _450976), _451910, fail)), '$restore_trace'(_451928, _451930))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_451928, _451930))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _451910, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(abc)
   Exit: (214) [system] atomic(abc)
^  Exit: (213) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (213) [system] integer(abc)
   Fail: (213) [system] integer(abc)
   Call: (213) [system] _371788=abc
   Exit: (213) [system] abc=abc
^  Exit: (212) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (211) [user] read_symbolic(')', (0x563acd73bee0), a, abc)
^  Exit: (210) [user] cont_sexpr(')', (0x563acd73bee0), abc)
^  Call: (210) [user] read_list(')', (0x563acd73bee0), _464056)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _465914)
   Exit: (212) [system] peek_char((0x563acd73bee0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x563acd73bee0), _475508)
   Exit: (212) [system] get_char((0x563acd73bee0), ' ')
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _478212)
   Exit: (213) [system] peek_char((0x563acd73bee0), a)
   Call: (213) [system] a=(;)
   Fail: (213) [system] a=(;)
   Call: (213) [system] a=(/)
   Fail: (213) [system] a=(/)
^  Call: (213) [user] is_like_space(a)
   Call: (214) [system] char_type(a, 'white')
   Fail: (214) [system] char_type(a, 'white')
   Call: (214) [system] char_type(a, end_of_line)
   Fail: (214) [system] char_type(a, end_of_line)
   Call: (214) [system] char_type(a, space)
   Fail: (214) [system] char_type(a, space)
   Call: (214) [system] char_type(a, cntrl)
   Fail: (214) [system] char_type(a, cntrl)
^  Fail: (213) [user] is_like_space(a)
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _495146)
   Exit: (211) [system] peek_char((0x563acd73bee0), a)
   Call: (211) [system] a=')'
   Fail: (211) [system] a=')'
   Call: (211) [system] a=end_of_file
   Fail: (211) [system] a=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x563acd73bee0), _500716)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _502574)
   Exit: (213) [system] peek_char((0x563acd73bee0), a)
   Call: (213) [system] a=(;)
   Fail: (213) [system] a=(;)
   Call: (213) [system] a=(/)
   Fail: (213) [system] a=(/)
^  Call: (213) [user] is_like_space(a)
   Call: (214) [system] char_type(a, 'white')
   Fail: (214) [system] char_type(a, 'white')
   Call: (214) [system] char_type(a, end_of_line)
   Fail: (214) [system] char_type(a, end_of_line)
   Call: (214) [system] char_type(a, space)
   Fail: (214) [system] char_type(a, space)
   Call: (214) [system] char_type(a, cntrl)
   Fail: (214) [system] char_type(a, cntrl)
^  Fail: (213) [user] is_like_space(a)
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] get_char((0x563acd73bee0), _518584)
   Exit: (212) [system] get_char((0x563acd73bee0), a)
   Call: (212) [system] a='('
   Fail: (212) [system] a='('
   Call: (212) [system] a='['
   Fail: (212) [system] a='['
   Call: (212) [system] a='{'
   Fail: (212) [system] a='{'
   Call: (212) [system] a='"'
   Fail: (212) [system] a='"'
   Call: (212) [system] a=!
   Fail: (212) [system] a=!
   Call: (212) [system] a='\''
   Fail: (212) [system] a='\''
   Call: (212) [system] a='`'
   Fail: (212) [system] a='`'
   Call: (212) [system] a=end_of_file
   Fail: (212) [system] a=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x563acd73bee0), a, _500716)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _536226)
   Call: (214) [system] peek_char((0x563acd73bee0), _537160)
   Exit: (214) [system] peek_char((0x563acd73bee0), ')')
^  Call: (214) [user] is_delimiter(')')
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] arg(_541880, v('(', ')', end_of_file), ')')
   Exit: (215) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (214) [user] is_delimiter(')')
   Call: (214) [system] _536226=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (213) [user] classify_and_convert_charseq([a], _500716)
^  Call: (214) [user] classify_and_convert_charseq_([a], _548316)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_549268, _549270), once(user:catch(read_from_chars([a], _548316), _549250, fail)), '$restore_trace'(_549268, _549270))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_549268, _549270))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _549250, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(a)
   Exit: (215) [system] atomic(a)
^  Exit: (214) [user] classify_and_convert_charseq_([a], a)
   Call: (214) [system] integer(a)
   Fail: (214) [system] integer(a)
   Call: (214) [system] _500716=a
   Exit: (214) [system] a=a
^  Exit: (213) [user] classify_and_convert_charseq([a], a)
^  Exit: (212) [user] read_symbolic(')', (0x563acd73bee0), a, a)
^  Exit: (211) [user] cont_sexpr(')', (0x563acd73bee0), a)
^  Call: (211) [user] read_list(')', (0x563acd73bee0), _561396)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _563254)
   Exit: (213) [system] peek_char((0x563acd73bee0), ')')
   Call: (213) [system] ')'=(;)
   Fail: (213) [system] ')'=(;)
   Call: (213) [system] ')'=(/)
   Fail: (213) [system] ')'=(/)
^  Call: (213) [user] is_like_space(')')
   Call: (214) [system] char_type(')', 'white')
   Fail: (214) [system] char_type(')', 'white')
   Call: (214) [system] char_type(')', end_of_line)
   Fail: (214) [system] char_type(')', end_of_line)
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] char_type(')', cntrl)
   Fail: (214) [system] char_type(')', cntrl)
^  Fail: (213) [user] is_like_space(')')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _579264)
   Exit: (212) [system] peek_char((0x563acd73bee0), ')')
   Call: (212) [system] ')'=')'
   Exit: (212) [system] ')'=')'
   Call: (212) [system] get_char((0x563acd73bee0), _583054)
   Exit: (212) [system] get_char((0x563acd73bee0), ')')
   Call: (212) [system] _561396=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_list(')', (0x563acd73bee0), [])
   Call: (211) [system] _464056=[a]
   Exit: (211) [system] [a]=[a]
^  Exit: (210) [user] read_list(')', (0x563acd73bee0), [a])
   Call: (210) [system] _335128=[abc, a]
   Exit: (210) [system] [abc, a]=[abc, a]
^  Exit: (209) [user] read_list(')', (0x563acd73bee0), [abc, a])
   Call: (209) [system] _4694=['DisjunctionIntroduction', abc, a]
   Exit: (209) [system] ['DisjunctionIntroduction', abc, a]=['DisjunctionIntroduction', abc, a]
^  Exit: (208) [user] read_list(')', (0x563acd73bee0), ['DisjunctionIntroduction', abc, a])
^  Exit: (207) [user] cont_sexpr(')', (0x563acd73bee0), ['DisjunctionIntroduction', abc, a])
^  Call: (207) [user] read_list(')', (0x563acd73bee0), _596936)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _598794)
   Exit: (209) [system] peek_char((0x563acd73bee0), ')')
   Call: (209) [system] ')'=(;)
   Fail: (209) [system] ')'=(;)
   Call: (209) [system] ')'=(/)
   Fail: (209) [system] ')'=(/)
^  Call: (209) [user] is_like_space(')')
   Call: (210) [system] char_type(')', 'white')
   Fail: (210) [system] char_type(')', 'white')
   Call: (210) [system] char_type(')', end_of_line)
   Fail: (210) [system] char_type(')', end_of_line)
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] char_type(')', cntrl)
   Fail: (210) [system] char_type(')', cntrl)
^  Fail: (209) [user] is_like_space(')')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _614804)
   Exit: (208) [system] peek_char((0x563acd73bee0), ')')
   Call: (208) [system] ')'=')'
   Exit: (208) [system] ')'=')'
   Call: (208) [system] get_char((0x563acd73bee0), _618594)
   Exit: (208) [system] get_char((0x563acd73bee0), ')')
   Call: (208) [system] _596936=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_list(')', (0x563acd73bee0), [])
   Call: (207) [system] _4690=[['DisjunctionIntroduction', abc, a]]
   Exit: (207) [system] [['DisjunctionIntroduction', abc, a]]=[['DisjunctionIntroduction', abc, a]]
^  Exit: (206) [user] read_list(')', (0x563acd73bee0), [['DisjunctionIntroduction', abc, a]])
   Call: (206) [system] _4684=[abc, ['DisjunctionIntroduction', abc, a]]
   Exit: (206) [system] [abc, ['DisjunctionIntroduction', abc, a]]=[abc, ['DisjunctionIntroduction', abc, a]]
^  Exit: (205) [user] read_list(')', (0x563acd73bee0), [abc, ['DisjunctionIntroduction', abc, a]])
   Call: (205) [system] _4676=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]]
   Exit: (205) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]]
^  Exit: (204) [user] read_list(')', (0x563acd73bee0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]])
^  Exit: (203) [user] cont_sexpr(')', (0x563acd73bee0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]])
^  Call: (203) [user] read_list(')', (0x563acd73bee0), _632476)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _634334)
   Exit: (205) [system] peek_char((0x563acd73bee0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x563acd73bee0), _643928)
   Exit: (205) [system] get_char((0x563acd73bee0), ' ')
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _646632)
   Exit: (206) [system] peek_char((0x563acd73bee0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _663566)
   Exit: (204) [system] peek_char((0x563acd73bee0), '(')
   Call: (204) [system] '('=')'
   Fail: (204) [system] '('=')'
   Call: (204) [system] '('=end_of_file
   Fail: (204) [system] '('=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x563acd73bee0), _669136)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _670994)
   Exit: (206) [system] peek_char((0x563acd73bee0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] get_char((0x563acd73bee0), _687004)
   Exit: (205) [system] get_char((0x563acd73bee0), '(')
   Call: (205) [system] '('='('
   Exit: (205) [system] '('='('
^  Call: (205) [user] read_list(')', (0x563acd73bee0), _669136)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _692574)
   Exit: (207) [system] peek_char((0x563acd73bee0), 'O')
   Call: (207) [system] 'O'=(;)
   Fail: (207) [system] 'O'=(;)
   Call: (207) [system] 'O'=(/)
   Fail: (207) [system] 'O'=(/)
^  Call: (207) [user] is_like_space('O')
   Call: (208) [system] char_type('O', 'white')
   Fail: (208) [system] char_type('O', 'white')
   Call: (208) [system] char_type('O', end_of_line)
   Fail: (208) [system] char_type('O', end_of_line)
   Call: (208) [system] char_type('O', space)
   Fail: (208) [system] char_type('O', space)
   Call: (208) [system] char_type('O', cntrl)
   Fail: (208) [system] char_type('O', cntrl)
^  Fail: (207) [user] is_like_space('O')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _708584)
   Exit: (206) [system] peek_char((0x563acd73bee0), 'O')
   Call: (206) [system] 'O'=')'
   Fail: (206) [system] 'O'=')'
   Call: (206) [system] 'O'=end_of_file
   Fail: (206) [system] 'O'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x563acd73bee0), _714154)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _716012)
   Exit: (208) [system] peek_char((0x563acd73bee0), 'O')
   Call: (208) [system] 'O'=(;)
   Fail: (208) [system] 'O'=(;)
   Call: (208) [system] 'O'=(/)
   Fail: (208) [system] 'O'=(/)
^  Call: (208) [user] is_like_space('O')
   Call: (209) [system] char_type('O', 'white')
   Fail: (209) [system] char_type('O', 'white')
   Call: (209) [system] char_type('O', end_of_line)
   Fail: (209) [system] char_type('O', end_of_line)
   Call: (209) [system] char_type('O', space)
   Fail: (209) [system] char_type('O', space)
   Call: (209) [system] char_type('O', cntrl)
   Fail: (209) [system] char_type('O', cntrl)
^  Fail: (208) [user] is_like_space('O')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] get_char((0x563acd73bee0), _732022)
   Exit: (207) [system] get_char((0x563acd73bee0), 'O')
   Call: (207) [system] 'O'='('
   Fail: (207) [system] 'O'='('
   Call: (207) [system] 'O'='['
   Fail: (207) [system] 'O'='['
   Call: (207) [system] 'O'='{'
   Fail: (207) [system] 'O'='{'
   Call: (207) [system] 'O'='"'
   Fail: (207) [system] 'O'='"'
   Call: (207) [system] 'O'=!
   Fail: (207) [system] 'O'=!
   Call: (207) [system] 'O'='\''
   Fail: (207) [system] 'O'='\''
   Call: (207) [system] 'O'='`'
   Fail: (207) [system] 'O'='`'
   Call: (207) [system] 'O'=end_of_file
   Fail: (207) [system] 'O'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x563acd73bee0), 'O', _714154)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _749664)
   Call: (209) [system] peek_char((0x563acd73bee0), _750598)
   Exit: (209) [system] peek_char((0x563acd73bee0), r)
^  Call: (209) [user] is_delimiter(r)
   Call: (210) [system] char_type(r, space)
   Fail: (210) [system] char_type(r, space)
   Call: (210) [system] arg(_755318, v('(', ')', end_of_file), r)
   Fail: (210) [system] arg(_756250, v('(', ')', end_of_file), r)
^  Fail: (209) [user] is_delimiter(r)
   Call: (209) [system] ')'==r
   Fail: (209) [system] ')'==r
   Call: (209) [system] get_char((0x563acd73bee0), r)
   Exit: (209) [system] get_char((0x563acd73bee0), r)
   Call: (209) [system] r=(\)
   Fail: (209) [system] r=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _763600)
   Call: (210) [system] peek_char((0x563acd73bee0), _764534)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (210) [user] is_delimiter('L')
   Call: (211) [system] char_type('L', space)
   Fail: (211) [system] char_type('L', space)
   Call: (211) [system] arg(_769254, v('(', ')', end_of_file), 'L')
   Fail: (211) [system] arg(_770186, v('(', ')', end_of_file), 'L')
^  Fail: (210) [user] is_delimiter('L')
   Call: (210) [system] ')'=='L'
   Fail: (210) [system] ')'=='L'
   Call: (210) [system] get_char((0x563acd73bee0), 'L')
   Exit: (210) [system] get_char((0x563acd73bee0), 'L')
   Call: (210) [system] 'L'=(\)
   Fail: (210) [system] 'L'=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _777536)
   Call: (211) [system] peek_char((0x563acd73bee0), _778470)
   Exit: (211) [system] peek_char((0x563acd73bee0), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Fail: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_783190, v('(', ')', end_of_file), i)
   Fail: (212) [system] arg(_784122, v('(', ')', end_of_file), i)
^  Fail: (211) [user] is_delimiter(i)
   Call: (211) [system] ')'==i
   Fail: (211) [system] ')'==i
   Call: (211) [system] get_char((0x563acd73bee0), i)
   Exit: (211) [system] get_char((0x563acd73bee0), i)
   Call: (211) [system] i=(\)
   Fail: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _791472)
   Call: (212) [system] peek_char((0x563acd73bee0), _792406)
   Exit: (212) [system] peek_char((0x563acd73bee0), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Fail: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_797126, v('(', ')', end_of_file), n)
   Fail: (213) [system] arg(_798058, v('(', ')', end_of_file), n)
^  Fail: (212) [user] is_delimiter(n)
   Call: (212) [system] ')'==n
   Fail: (212) [system] ')'==n
   Call: (212) [system] get_char((0x563acd73bee0), n)
   Exit: (212) [system] get_char((0x563acd73bee0), n)
   Call: (212) [system] n=(\)
   Fail: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _805408)
   Call: (213) [system] peek_char((0x563acd73bee0), _806342)
   Exit: (213) [system] peek_char((0x563acd73bee0), k)
^  Call: (213) [user] is_delimiter(k)
   Call: (214) [system] char_type(k, space)
   Fail: (214) [system] char_type(k, space)
   Call: (214) [system] arg(_811062, v('(', ')', end_of_file), k)
   Fail: (214) [system] arg(_811994, v('(', ')', end_of_file), k)
^  Fail: (213) [user] is_delimiter(k)
   Call: (213) [system] ')'==k
   Fail: (213) [system] ')'==k
   Call: (213) [system] get_char((0x563acd73bee0), k)
   Exit: (213) [system] get_char((0x563acd73bee0), k)
   Call: (213) [system] k=(\)
   Fail: (213) [system] k=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _819344)
   Call: (214) [system] peek_char((0x563acd73bee0), _820278)
   Exit: (214) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _819344=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (213) [system] _805408=[k]
   Exit: (213) [system] [k]=[k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (212) [system] _791472=[n, k]
   Exit: (212) [system] [n, k]=[n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (211) [system] _777536=[i, n, k]
   Exit: (211) [system] [i, n, k]=[i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (210) [system] _763600=['L', i, n, k]
   Exit: (210) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (209) [system] _749664=[r, 'L', i, n, k]
   Exit: (209) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (208) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _714154)
^  Call: (209) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _843532)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_844484, _844486), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _843532), _844466, fail)), '$restore_trace'(_844484, _844486))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_844484, _844486))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _843532), _844466, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_843532)
   Fail: (210) [system] atomic(_843532)
   Call: (210) [system] atom_chars(_843532, ['O', r, 'L', i, n, k])
   Exit: (210) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (209) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (209) [system] integer('OrLink')
   Fail: (209) [system] integer('OrLink')
   Call: (209) [system] _714154='OrLink'
   Exit: (209) [system] 'OrLink'='OrLink'
^  Exit: (208) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (207) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (206) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (206) [user] read_list(')', (0x563acd73bee0), _858482)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _860340)
   Exit: (208) [system] peek_char((0x563acd73bee0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x563acd73bee0), _869934)
   Exit: (208) [system] get_char((0x563acd73bee0), ' ')
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _872638)
   Exit: (209) [system] peek_char((0x563acd73bee0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _889572)
   Exit: (207) [system] peek_char((0x563acd73bee0), '(')
   Call: (207) [system] '('=')'
   Fail: (207) [system] '('=')'
   Call: (207) [system] '('=end_of_file
   Fail: (207) [system] '('=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x563acd73bee0), _895142)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _897000)
   Exit: (209) [system] peek_char((0x563acd73bee0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] get_char((0x563acd73bee0), _913010)
   Exit: (208) [system] get_char((0x563acd73bee0), '(')
   Call: (208) [system] '('='('
   Exit: (208) [system] '('='('
^  Call: (208) [user] read_list(')', (0x563acd73bee0), _895142)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _918580)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'I')
   Call: (210) [system] 'I'=(;)
   Fail: (210) [system] 'I'=(;)
   Call: (210) [system] 'I'=(/)
   Fail: (210) [system] 'I'=(/)
^  Call: (210) [user] is_like_space('I')
   Call: (211) [system] char_type('I', 'white')
   Fail: (211) [system] char_type('I', 'white')
   Call: (211) [system] char_type('I', end_of_line)
   Fail: (211) [system] char_type('I', end_of_line)
   Call: (211) [system] char_type('I', space)
   Fail: (211) [system] char_type('I', space)
   Call: (211) [system] char_type('I', cntrl)
   Fail: (211) [system] char_type('I', cntrl)
^  Fail: (210) [user] is_like_space('I')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _934590)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'I')
   Call: (209) [system] 'I'=')'
   Fail: (209) [system] 'I'=')'
   Call: (209) [system] 'I'=end_of_file
   Fail: (209) [system] 'I'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x563acd73bee0), _940160)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _942018)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'I')
   Call: (211) [system] 'I'=(;)
   Fail: (211) [system] 'I'=(;)
   Call: (211) [system] 'I'=(/)
   Fail: (211) [system] 'I'=(/)
^  Call: (211) [user] is_like_space('I')
   Call: (212) [system] char_type('I', 'white')
   Fail: (212) [system] char_type('I', 'white')
   Call: (212) [system] char_type('I', end_of_line)
   Fail: (212) [system] char_type('I', end_of_line)
   Call: (212) [system] char_type('I', space)
   Fail: (212) [system] char_type('I', space)
   Call: (212) [system] char_type('I', cntrl)
   Fail: (212) [system] char_type('I', cntrl)
^  Fail: (211) [user] is_like_space('I')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] get_char((0x563acd73bee0), _958028)
   Exit: (210) [system] get_char((0x563acd73bee0), 'I')
   Call: (210) [system] 'I'='('
   Fail: (210) [system] 'I'='('
   Call: (210) [system] 'I'='['
   Fail: (210) [system] 'I'='['
   Call: (210) [system] 'I'='{'
   Fail: (210) [system] 'I'='{'
   Call: (210) [system] 'I'='"'
   Fail: (210) [system] 'I'='"'
   Call: (210) [system] 'I'=!
   Fail: (210) [system] 'I'=!
   Call: (210) [system] 'I'='\''
   Fail: (210) [system] 'I'='\''
   Call: (210) [system] 'I'='`'
   Fail: (210) [system] 'I'='`'
   Call: (210) [system] 'I'=end_of_file
   Fail: (210) [system] 'I'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x563acd73bee0), 'I', _940160)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _975670)
   Call: (212) [system] peek_char((0x563acd73bee0), _976604)
   Exit: (212) [system] peek_char((0x563acd73bee0), m)
^  Call: (212) [user] is_delimiter(m)
   Call: (213) [system] char_type(m, space)
   Fail: (213) [system] char_type(m, space)
   Call: (213) [system] arg(_981324, v('(', ')', end_of_file), m)
   Fail: (213) [system] arg(_982256, v('(', ')', end_of_file), m)
^  Fail: (212) [user] is_delimiter(m)
   Call: (212) [system] ')'==m
   Fail: (212) [system] ')'==m
   Call: (212) [system] get_char((0x563acd73bee0), m)
   Exit: (212) [system] get_char((0x563acd73bee0), m)
   Call: (212) [system] m=(\)
   Fail: (212) [system] m=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _989606)
   Call: (213) [system] peek_char((0x563acd73bee0), _990540)
   Exit: (213) [system] peek_char((0x563acd73bee0), p)
^  Call: (213) [user] is_delimiter(p)
   Call: (214) [system] char_type(p, space)
   Fail: (214) [system] char_type(p, space)
   Call: (214) [system] arg(_995260, v('(', ')', end_of_file), p)
   Fail: (214) [system] arg(_996192, v('(', ')', end_of_file), p)
^  Fail: (213) [user] is_delimiter(p)
   Call: (213) [system] ')'==p
   Fail: (213) [system] ')'==p
   Call: (213) [system] get_char((0x563acd73bee0), p)
   Exit: (213) [system] get_char((0x563acd73bee0), p)
   Call: (213) [system] p=(\)
   Fail: (213) [system] p=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _1003542)
   Call: (214) [system] peek_char((0x563acd73bee0), _1004476)
   Exit: (214) [system] peek_char((0x563acd73bee0), l)
^  Call: (214) [user] is_delimiter(l)
   Call: (215) [system] char_type(l, space)
   Fail: (215) [system] char_type(l, space)
   Call: (215) [system] arg(_1009196, v('(', ')', end_of_file), l)
   Fail: (215) [system] arg(_1010128, v('(', ')', end_of_file), l)
^  Fail: (214) [user] is_delimiter(l)
   Call: (214) [system] ')'==l
   Fail: (214) [system] ')'==l
   Call: (214) [system] get_char((0x563acd73bee0), l)
   Exit: (214) [system] get_char((0x563acd73bee0), l)
   Call: (214) [system] l=(\)
   Fail: (214) [system] l=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _1017478)
   Call: (215) [system] peek_char((0x563acd73bee0), _1018412)
   Exit: (215) [system] peek_char((0x563acd73bee0), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Fail: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_1023132, v('(', ')', end_of_file), i)
   Fail: (216) [system] arg(_1024064, v('(', ')', end_of_file), i)
^  Fail: (215) [user] is_delimiter(i)
   Call: (215) [system] ')'==i
   Fail: (215) [system] ')'==i
   Call: (215) [system] get_char((0x563acd73bee0), i)
   Exit: (215) [system] get_char((0x563acd73bee0), i)
   Call: (215) [system] i=(\)
   Fail: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _1031414)
   Call: (216) [system] peek_char((0x563acd73bee0), _1032348)
   Exit: (216) [system] peek_char((0x563acd73bee0), c)
^  Call: (216) [user] is_delimiter(c)
   Call: (217) [system] char_type(c, space)
   Fail: (217) [system] char_type(c, space)
   Call: (217) [system] arg(_1037068, v('(', ')', end_of_file), c)
   Fail: (217) [system] arg(_1038000, v('(', ')', end_of_file), c)
^  Fail: (216) [user] is_delimiter(c)
   Call: (216) [system] ')'==c
   Fail: (216) [system] ')'==c
   Call: (216) [system] get_char((0x563acd73bee0), c)
   Exit: (216) [system] get_char((0x563acd73bee0), c)
   Call: (216) [system] c=(\)
   Fail: (216) [system] c=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _1045350)
   Call: (217) [system] peek_char((0x563acd73bee0), _1046284)
   Exit: (217) [system] peek_char((0x563acd73bee0), a)
^  Call: (217) [user] is_delimiter(a)
   Call: (218) [system] char_type(a, space)
   Fail: (218) [system] char_type(a, space)
   Call: (218) [system] arg(_1051004, v('(', ')', end_of_file), a)
   Fail: (218) [system] arg(_1051936, v('(', ')', end_of_file), a)
^  Fail: (217) [user] is_delimiter(a)
   Call: (217) [system] ')'==a
   Fail: (217) [system] ')'==a
   Call: (217) [system] get_char((0x563acd73bee0), a)
   Exit: (217) [system] get_char((0x563acd73bee0), a)
   Call: (217) [system] a=(\)
   Fail: (217) [system] a=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _1059286)
   Call: (218) [system] peek_char((0x563acd73bee0), _1060220)
   Exit: (218) [system] peek_char((0x563acd73bee0), t)
^  Call: (218) [user] is_delimiter(t)
   Call: (219) [system] char_type(t, space)
   Fail: (219) [system] char_type(t, space)
   Call: (219) [system] arg(_1064940, v('(', ')', end_of_file), t)
   Fail: (219) [system] arg(_1065872, v('(', ')', end_of_file), t)
^  Fail: (218) [user] is_delimiter(t)
   Call: (218) [system] ')'==t
   Fail: (218) [system] ')'==t
   Call: (218) [system] get_char((0x563acd73bee0), t)
   Exit: (218) [system] get_char((0x563acd73bee0), t)
   Call: (218) [system] t=(\)
   Fail: (218) [system] t=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _1073222)
   Call: (219) [system] peek_char((0x563acd73bee0), _1074156)
   Exit: (219) [system] peek_char((0x563acd73bee0), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Fail: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_1078876, v('(', ')', end_of_file), i)
   Fail: (220) [system] arg(_1079808, v('(', ')', end_of_file), i)
^  Fail: (219) [user] is_delimiter(i)
   Call: (219) [system] ')'==i
   Fail: (219) [system] ')'==i
   Call: (219) [system] get_char((0x563acd73bee0), i)
   Exit: (219) [system] get_char((0x563acd73bee0), i)
   Call: (219) [system] i=(\)
   Fail: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _1087158)
   Call: (220) [system] peek_char((0x563acd73bee0), _1088092)
   Exit: (220) [system] peek_char((0x563acd73bee0), o)
^  Call: (220) [user] is_delimiter(o)
   Call: (221) [system] char_type(o, space)
   Fail: (221) [system] char_type(o, space)
   Call: (221) [system] arg(_1092812, v('(', ')', end_of_file), o)
   Fail: (221) [system] arg(_1093744, v('(', ')', end_of_file), o)
^  Fail: (220) [user] is_delimiter(o)
   Call: (220) [system] ')'==o
   Fail: (220) [system] ')'==o
   Call: (220) [system] get_char((0x563acd73bee0), o)
   Exit: (220) [system] get_char((0x563acd73bee0), o)
   Call: (220) [system] o=(\)
   Fail: (220) [system] o=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _1101094)
   Call: (221) [system] peek_char((0x563acd73bee0), _1102028)
   Exit: (221) [system] peek_char((0x563acd73bee0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_1106748, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_1107680, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x563acd73bee0), n)
   Exit: (221) [system] get_char((0x563acd73bee0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _1115030)
   Call: (222) [system] peek_char((0x563acd73bee0), _1115964)
   Exit: (222) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _1115030=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (221) [system] _1101094=[n]
   Exit: (221) [system] [n]=[n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (220) [system] _1087158=[o, n]
   Exit: (220) [system] [o, n]=[o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (219) [system] _1073222=[i, o, n]
   Exit: (219) [system] [i, o, n]=[i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (218) [system] _1059286=[t, i, o, n]
   Exit: (218) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (217) [system] _1045350=[a, t, i, o, n]
   Exit: (217) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (216) [system] _1031414=[c, a, t, i, o, n]
   Exit: (216) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (215) [system] _1017478=[i, c, a, t, i, o, n]
   Exit: (215) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (214) [system] _1003542=[l, i, c, a, t, i, o, n]
   Exit: (214) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (213) [system] _989606=[p, l, i, c, a, t, i, o, n]
   Exit: (213) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (212) [system] _975670=[m, p, l, i, c, a, t, i, o, n]
   Exit: (212) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (211) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _940160)
^  Call: (212) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1153188)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_1154140, _1154142), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1153188), _1154122, fail)), '$restore_trace'(_1154140, _1154142))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_1154140, _1154142))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1153188), _1154122, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_1153188)
   Fail: (213) [system] atomic(_1153188)
   Call: (213) [system] atom_chars(_1153188, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (213) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (212) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (212) [system] integer('Implication')
   Fail: (212) [system] integer('Implication')
   Call: (212) [system] _940160='Implication'
   Exit: (212) [system] 'Implication'='Implication'
^  Exit: (211) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (210) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (209) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (209) [user] read_list(')', (0x563acd73bee0), _1168138)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1169996)
   Exit: (211) [system] peek_char((0x563acd73bee0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x563acd73bee0), _1179590)
   Exit: (211) [system] get_char((0x563acd73bee0), ' ')
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1182294)
   Exit: (212) [system] peek_char((0x563acd73bee0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1199228)
   Exit: (210) [system] peek_char((0x563acd73bee0), '(')
   Call: (210) [system] '('=')'
   Fail: (210) [system] '('=')'
   Call: (210) [system] '('=end_of_file
   Fail: (210) [system] '('=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x563acd73bee0), _1204798)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1206656)
   Exit: (212) [system] peek_char((0x563acd73bee0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] get_char((0x563acd73bee0), _1222666)
   Exit: (211) [system] get_char((0x563acd73bee0), '(')
   Call: (211) [system] '('='('
   Exit: (211) [system] '('='('
^  Call: (211) [user] read_list(')', (0x563acd73bee0), _1204798)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1228236)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'A')
   Call: (213) [system] 'A'=(;)
   Fail: (213) [system] 'A'=(;)
   Call: (213) [system] 'A'=(/)
   Fail: (213) [system] 'A'=(/)
^  Call: (213) [user] is_like_space('A')
   Call: (214) [system] char_type('A', 'white')
   Fail: (214) [system] char_type('A', 'white')
   Call: (214) [system] char_type('A', end_of_line)
   Fail: (214) [system] char_type('A', end_of_line)
   Call: (214) [system] char_type('A', space)
   Fail: (214) [system] char_type('A', space)
   Call: (214) [system] char_type('A', cntrl)
   Fail: (214) [system] char_type('A', cntrl)
^  Fail: (213) [user] is_like_space('A')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1244246)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'A')
   Call: (212) [system] 'A'=')'
   Fail: (212) [system] 'A'=')'
   Call: (212) [system] 'A'=end_of_file
   Fail: (212) [system] 'A'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x563acd73bee0), _1249816)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1251674)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'A')
   Call: (214) [system] 'A'=(;)
   Fail: (214) [system] 'A'=(;)
   Call: (214) [system] 'A'=(/)
   Fail: (214) [system] 'A'=(/)
^  Call: (214) [user] is_like_space('A')
   Call: (215) [system] char_type('A', 'white')
   Fail: (215) [system] char_type('A', 'white')
   Call: (215) [system] char_type('A', end_of_line)
   Fail: (215) [system] char_type('A', end_of_line)
   Call: (215) [system] char_type('A', space)
   Fail: (215) [system] char_type('A', space)
   Call: (215) [system] char_type('A', cntrl)
   Fail: (215) [system] char_type('A', cntrl)
^  Fail: (214) [user] is_like_space('A')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] get_char((0x563acd73bee0), _1267684)
   Exit: (213) [system] get_char((0x563acd73bee0), 'A')
   Call: (213) [system] 'A'='('
   Fail: (213) [system] 'A'='('
   Call: (213) [system] 'A'='['
   Fail: (213) [system] 'A'='['
   Call: (213) [system] 'A'='{'
   Fail: (213) [system] 'A'='{'
   Call: (213) [system] 'A'='"'
   Fail: (213) [system] 'A'='"'
   Call: (213) [system] 'A'=!
   Fail: (213) [system] 'A'=!
   Call: (213) [system] 'A'='\''
   Fail: (213) [system] 'A'='\''
   Call: (213) [system] 'A'='`'
   Fail: (213) [system] 'A'='`'
   Call: (213) [system] 'A'=end_of_file
   Fail: (213) [system] 'A'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x563acd73bee0), 'A', _1249816)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _1285326)
   Call: (215) [system] peek_char((0x563acd73bee0), _1286260)
   Exit: (215) [system] peek_char((0x563acd73bee0), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_1290980, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_1291912, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x563acd73bee0), n)
   Exit: (215) [system] get_char((0x563acd73bee0), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _1299262)
   Call: (216) [system] peek_char((0x563acd73bee0), _1300196)
   Exit: (216) [system] peek_char((0x563acd73bee0), d)
^  Call: (216) [user] is_delimiter(d)
   Call: (217) [system] char_type(d, space)
   Fail: (217) [system] char_type(d, space)
   Call: (217) [system] arg(_1304916, v('(', ')', end_of_file), d)
   Fail: (217) [system] arg(_1305848, v('(', ')', end_of_file), d)
^  Fail: (216) [user] is_delimiter(d)
   Call: (216) [system] ')'==d
   Fail: (216) [system] ')'==d
   Call: (216) [system] get_char((0x563acd73bee0), d)
   Exit: (216) [system] get_char((0x563acd73bee0), d)
   Call: (216) [system] d=(\)
   Fail: (216) [system] d=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _1313198)
   Call: (217) [system] peek_char((0x563acd73bee0), _1314132)
   Exit: (217) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (217) [user] is_delimiter('L')
   Call: (218) [system] char_type('L', space)
   Fail: (218) [system] char_type('L', space)
   Call: (218) [system] arg(_1318852, v('(', ')', end_of_file), 'L')
   Fail: (218) [system] arg(_1319784, v('(', ')', end_of_file), 'L')
^  Fail: (217) [user] is_delimiter('L')
   Call: (217) [system] ')'=='L'
   Fail: (217) [system] ')'=='L'
   Call: (217) [system] get_char((0x563acd73bee0), 'L')
   Exit: (217) [system] get_char((0x563acd73bee0), 'L')
   Call: (217) [system] 'L'=(\)
   Fail: (217) [system] 'L'=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _1327134)
   Call: (218) [system] peek_char((0x563acd73bee0), _1328068)
   Exit: (218) [system] peek_char((0x563acd73bee0), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Fail: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_1332788, v('(', ')', end_of_file), i)
   Fail: (219) [system] arg(_1333720, v('(', ')', end_of_file), i)
^  Fail: (218) [user] is_delimiter(i)
   Call: (218) [system] ')'==i
   Fail: (218) [system] ')'==i
   Call: (218) [system] get_char((0x563acd73bee0), i)
   Exit: (218) [system] get_char((0x563acd73bee0), i)
   Call: (218) [system] i=(\)
   Fail: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _1341070)
   Call: (219) [system] peek_char((0x563acd73bee0), _1342004)
   Exit: (219) [system] peek_char((0x563acd73bee0), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_1346724, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_1347656, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x563acd73bee0), n)
   Exit: (219) [system] get_char((0x563acd73bee0), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _1355006)
   Call: (220) [system] peek_char((0x563acd73bee0), _1355940)
   Exit: (220) [system] peek_char((0x563acd73bee0), k)
^  Call: (220) [user] is_delimiter(k)
   Call: (221) [system] char_type(k, space)
   Fail: (221) [system] char_type(k, space)
   Call: (221) [system] arg(_1360660, v('(', ')', end_of_file), k)
   Fail: (221) [system] arg(_1361592, v('(', ')', end_of_file), k)
^  Fail: (220) [user] is_delimiter(k)
   Call: (220) [system] ')'==k
   Fail: (220) [system] ')'==k
   Call: (220) [system] get_char((0x563acd73bee0), k)
   Exit: (220) [system] get_char((0x563acd73bee0), k)
   Call: (220) [system] k=(\)
   Fail: (220) [system] k=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _1368942)
   Call: (221) [system] peek_char((0x563acd73bee0), _1369876)
   Exit: (221) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (221) [user] is_delimiter(' ')
   Call: (222) [system] char_type(' ', space)
   Exit: (222) [system] char_type(' ', space)
^  Exit: (221) [user] is_delimiter(' ')
   Call: (221) [system] _1368942=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (220) [system] _1355006=[k]
   Exit: (220) [system] [k]=[k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (219) [system] _1341070=[n, k]
   Exit: (219) [system] [n, k]=[n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (218) [system] _1327134=[i, n, k]
   Exit: (218) [system] [i, n, k]=[i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (217) [system] _1313198=['L', i, n, k]
   Exit: (217) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (216) [system] _1299262=[d, 'L', i, n, k]
   Exit: (216) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, 'L', i, n, k])
   Call: (215) [system] _1285326=[n, d, 'L', i, n, k]
   Exit: (215) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, d, 'L', i, n, k])
^  Call: (214) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1249816)
^  Call: (215) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1395924)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_1396876, _1396878), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1395924), _1396858, fail)), '$restore_trace'(_1396876, _1396878))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_1396876, _1396878))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1395924), _1396858, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_1395924)
   Fail: (216) [system] atomic(_1395924)
   Call: (216) [system] atom_chars(_1395924, ['A', n, d, 'L', i, n, k])
   Exit: (216) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (215) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (215) [system] integer('AndLink')
   Fail: (215) [system] integer('AndLink')
   Call: (215) [system] _1249816='AndLink'
   Exit: (215) [system] 'AndLink'='AndLink'
^  Exit: (214) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (213) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'AndLink')
^  Exit: (212) [user] cont_sexpr(')', (0x563acd73bee0), 'AndLink')
^  Call: (212) [user] read_list(')', (0x563acd73bee0), _1410874)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1412732)
   Exit: (214) [system] peek_char((0x563acd73bee0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x563acd73bee0), _1422326)
   Exit: (214) [system] get_char((0x563acd73bee0), ' ')
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1425030)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'A')
   Call: (215) [system] 'A'=(;)
   Fail: (215) [system] 'A'=(;)
   Call: (215) [system] 'A'=(/)
   Fail: (215) [system] 'A'=(/)
^  Call: (215) [user] is_like_space('A')
   Call: (216) [system] char_type('A', 'white')
   Fail: (216) [system] char_type('A', 'white')
   Call: (216) [system] char_type('A', end_of_line)
   Fail: (216) [system] char_type('A', end_of_line)
   Call: (216) [system] char_type('A', space)
   Fail: (216) [system] char_type('A', space)
   Call: (216) [system] char_type('A', cntrl)
   Fail: (216) [system] char_type('A', cntrl)
^  Fail: (215) [user] is_like_space('A')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1441964)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'A')
   Call: (213) [system] 'A'=')'
   Fail: (213) [system] 'A'=')'
   Call: (213) [system] 'A'=end_of_file
   Fail: (213) [system] 'A'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x563acd73bee0), _1447534)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1449392)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'A')
   Call: (215) [system] 'A'=(;)
   Fail: (215) [system] 'A'=(;)
   Call: (215) [system] 'A'=(/)
   Fail: (215) [system] 'A'=(/)
^  Call: (215) [user] is_like_space('A')
   Call: (216) [system] char_type('A', 'white')
   Fail: (216) [system] char_type('A', 'white')
   Call: (216) [system] char_type('A', end_of_line)
   Fail: (216) [system] char_type('A', end_of_line)
   Call: (216) [system] char_type('A', space)
   Fail: (216) [system] char_type('A', space)
   Call: (216) [system] char_type('A', cntrl)
   Fail: (216) [system] char_type('A', cntrl)
^  Fail: (215) [user] is_like_space('A')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] get_char((0x563acd73bee0), _1465402)
   Exit: (214) [system] get_char((0x563acd73bee0), 'A')
   Call: (214) [system] 'A'='('
   Fail: (214) [system] 'A'='('
   Call: (214) [system] 'A'='['
   Fail: (214) [system] 'A'='['
   Call: (214) [system] 'A'='{'
   Fail: (214) [system] 'A'='{'
   Call: (214) [system] 'A'='"'
   Fail: (214) [system] 'A'='"'
   Call: (214) [system] 'A'=!
   Fail: (214) [system] 'A'=!
   Call: (214) [system] 'A'='\''
   Fail: (214) [system] 'A'='\''
   Call: (214) [system] 'A'='`'
   Fail: (214) [system] 'A'='`'
   Call: (214) [system] 'A'=end_of_file
   Fail: (214) [system] 'A'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x563acd73bee0), 'A', _1447534)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _1483044)
   Call: (216) [system] peek_char((0x563acd73bee0), _1483978)
   Exit: (216) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _1483044=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (215) [user] classify_and_convert_charseq(['A'], _1447534)
^  Call: (216) [user] classify_and_convert_charseq_(['A'], _1493262)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1494214, _1494216), once(user:catch(read_from_chars(['A'], _1493262), _1494196, fail)), '$restore_trace'(_1494214, _1494216))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1494214, _1494216))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1493262), _1494196, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_1493262)
   Fail: (217) [system] atomic(_1493262)
   Call: (217) [system] atom_chars(_1493262, ['A'])
   Exit: (217) [system] atom_chars('A', ['A'])
^  Exit: (216) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (216) [system] integer('A')
   Fail: (216) [system] integer('A')
   Call: (216) [system] _1447534='A'
   Exit: (216) [system] 'A'='A'
^  Exit: (215) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (214) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (213) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (213) [user] read_list(')', (0x563acd73bee0), _1508212)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1510070)
   Exit: (215) [system] peek_char((0x563acd73bee0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x563acd73bee0), _1519664)
   Exit: (215) [system] get_char((0x563acd73bee0), ' ')
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1522368)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'B')
   Call: (216) [system] 'B'=(;)
   Fail: (216) [system] 'B'=(;)
   Call: (216) [system] 'B'=(/)
   Fail: (216) [system] 'B'=(/)
^  Call: (216) [user] is_like_space('B')
   Call: (217) [system] char_type('B', 'white')
   Fail: (217) [system] char_type('B', 'white')
   Call: (217) [system] char_type('B', end_of_line)
   Fail: (217) [system] char_type('B', end_of_line)
   Call: (217) [system] char_type('B', space)
   Fail: (217) [system] char_type('B', space)
   Call: (217) [system] char_type('B', cntrl)
   Fail: (217) [system] char_type('B', cntrl)
^  Fail: (216) [user] is_like_space('B')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1539302)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'B')
   Call: (214) [system] 'B'=')'
   Fail: (214) [system] 'B'=')'
   Call: (214) [system] 'B'=end_of_file
   Fail: (214) [system] 'B'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x563acd73bee0), _1544872)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1546730)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'B')
   Call: (216) [system] 'B'=(;)
   Fail: (216) [system] 'B'=(;)
   Call: (216) [system] 'B'=(/)
   Fail: (216) [system] 'B'=(/)
^  Call: (216) [user] is_like_space('B')
   Call: (217) [system] char_type('B', 'white')
   Fail: (217) [system] char_type('B', 'white')
   Call: (217) [system] char_type('B', end_of_line)
   Fail: (217) [system] char_type('B', end_of_line)
   Call: (217) [system] char_type('B', space)
   Fail: (217) [system] char_type('B', space)
   Call: (217) [system] char_type('B', cntrl)
   Fail: (217) [system] char_type('B', cntrl)
^  Fail: (216) [user] is_like_space('B')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] get_char((0x563acd73bee0), _1562740)
   Exit: (215) [system] get_char((0x563acd73bee0), 'B')
   Call: (215) [system] 'B'='('
   Fail: (215) [system] 'B'='('
   Call: (215) [system] 'B'='['
   Fail: (215) [system] 'B'='['
   Call: (215) [system] 'B'='{'
   Fail: (215) [system] 'B'='{'
   Call: (215) [system] 'B'='"'
   Fail: (215) [system] 'B'='"'
   Call: (215) [system] 'B'=!
   Fail: (215) [system] 'B'=!
   Call: (215) [system] 'B'='\''
   Fail: (215) [system] 'B'='\''
   Call: (215) [system] 'B'='`'
   Fail: (215) [system] 'B'='`'
   Call: (215) [system] 'B'=end_of_file
   Fail: (215) [system] 'B'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x563acd73bee0), 'B', _1544872)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _1580382)
   Call: (217) [system] peek_char((0x563acd73bee0), _1581316)
   Exit: (217) [system] peek_char((0x563acd73bee0), ')')
^  Call: (217) [user] is_delimiter(')')
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] arg(_1586036, v('(', ')', end_of_file), ')')
   Exit: (218) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (217) [user] is_delimiter(')')
   Call: (217) [system] _1580382=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (216) [user] classify_and_convert_charseq(['B'], _1544872)
^  Call: (217) [user] classify_and_convert_charseq_(['B'], _1592472)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1593424, _1593426), once(user:catch(read_from_chars(['B'], _1592472), _1593406, fail)), '$restore_trace'(_1593424, _1593426))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1593424, _1593426))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1592472), _1593406, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_1592472)
   Fail: (218) [system] atomic(_1592472)
   Call: (218) [system] atom_chars(_1592472, ['B'])
   Exit: (218) [system] atom_chars('B', ['B'])
^  Exit: (217) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (217) [system] integer('B')
   Fail: (217) [system] integer('B')
   Call: (217) [system] _1544872='B'
   Exit: (217) [system] 'B'='B'
^  Exit: (216) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (215) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (214) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (214) [user] read_list(')', (0x563acd73bee0), _1607422)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1609280)
   Exit: (216) [system] peek_char((0x563acd73bee0), ')')
   Call: (216) [system] ')'=(;)
   Fail: (216) [system] ')'=(;)
   Call: (216) [system] ')'=(/)
   Fail: (216) [system] ')'=(/)
^  Call: (216) [user] is_like_space(')')
   Call: (217) [system] char_type(')', 'white')
   Fail: (217) [system] char_type(')', 'white')
   Call: (217) [system] char_type(')', end_of_line)
   Fail: (217) [system] char_type(')', end_of_line)
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] char_type(')', cntrl)
   Fail: (217) [system] char_type(')', cntrl)
^  Fail: (216) [user] is_like_space(')')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1625290)
   Exit: (215) [system] peek_char((0x563acd73bee0), ')')
   Call: (215) [system] ')'=')'
   Exit: (215) [system] ')'=')'
   Call: (215) [system] get_char((0x563acd73bee0), _1629080)
   Exit: (215) [system] get_char((0x563acd73bee0), ')')
   Call: (215) [system] _1607422=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_list(')', (0x563acd73bee0), [])
   Call: (214) [system] _1508212=['B']
   Exit: (214) [system] ['B']=['B']
^  Exit: (213) [user] read_list(')', (0x563acd73bee0), ['B'])
   Call: (213) [system] _1410874=['A', 'B']
   Exit: (213) [system] ['A', 'B']=['A', 'B']
^  Exit: (212) [user] read_list(')', (0x563acd73bee0), ['A', 'B'])
   Call: (212) [system] _1204798=['AndLink', 'A', 'B']
   Exit: (212) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (211) [user] read_list(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Exit: (210) [user] cont_sexpr(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Call: (210) [user] read_list(')', (0x563acd73bee0), _1642962)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1644820)
   Exit: (212) [system] peek_char((0x563acd73bee0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x563acd73bee0), _1654414)
   Exit: (212) [system] get_char((0x563acd73bee0), ' ')
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1657118)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'C')
   Call: (213) [system] 'C'=(;)
   Fail: (213) [system] 'C'=(;)
   Call: (213) [system] 'C'=(/)
   Fail: (213) [system] 'C'=(/)
^  Call: (213) [user] is_like_space('C')
   Call: (214) [system] char_type('C', 'white')
   Fail: (214) [system] char_type('C', 'white')
   Call: (214) [system] char_type('C', end_of_line)
   Fail: (214) [system] char_type('C', end_of_line)
   Call: (214) [system] char_type('C', space)
   Fail: (214) [system] char_type('C', space)
   Call: (214) [system] char_type('C', cntrl)
   Fail: (214) [system] char_type('C', cntrl)
^  Fail: (213) [user] is_like_space('C')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1674052)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'C')
   Call: (211) [system] 'C'=')'
   Fail: (211) [system] 'C'=')'
   Call: (211) [system] 'C'=end_of_file
   Fail: (211) [system] 'C'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x563acd73bee0), _1679622)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1681480)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'C')
   Call: (213) [system] 'C'=(;)
   Fail: (213) [system] 'C'=(;)
   Call: (213) [system] 'C'=(/)
   Fail: (213) [system] 'C'=(/)
^  Call: (213) [user] is_like_space('C')
   Call: (214) [system] char_type('C', 'white')
   Fail: (214) [system] char_type('C', 'white')
   Call: (214) [system] char_type('C', end_of_line)
   Fail: (214) [system] char_type('C', end_of_line)
   Call: (214) [system] char_type('C', space)
   Fail: (214) [system] char_type('C', space)
   Call: (214) [system] char_type('C', cntrl)
   Fail: (214) [system] char_type('C', cntrl)
^  Fail: (213) [user] is_like_space('C')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] get_char((0x563acd73bee0), _1697490)
   Exit: (212) [system] get_char((0x563acd73bee0), 'C')
   Call: (212) [system] 'C'='('
   Fail: (212) [system] 'C'='('
   Call: (212) [system] 'C'='['
   Fail: (212) [system] 'C'='['
   Call: (212) [system] 'C'='{'
   Fail: (212) [system] 'C'='{'
   Call: (212) [system] 'C'='"'
   Fail: (212) [system] 'C'='"'
   Call: (212) [system] 'C'=!
   Fail: (212) [system] 'C'=!
   Call: (212) [system] 'C'='\''
   Fail: (212) [system] 'C'='\''
   Call: (212) [system] 'C'='`'
   Fail: (212) [system] 'C'='`'
   Call: (212) [system] 'C'=end_of_file
   Fail: (212) [system] 'C'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x563acd73bee0), 'C', _1679622)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _1715132)
   Call: (214) [system] peek_char((0x563acd73bee0), _1716066)
   Exit: (214) [system] peek_char((0x563acd73bee0), ')')
^  Call: (214) [user] is_delimiter(')')
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] arg(_1720786, v('(', ')', end_of_file), ')')
   Exit: (215) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (214) [user] is_delimiter(')')
   Call: (214) [system] _1715132=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (213) [user] classify_and_convert_charseq(['C'], _1679622)
^  Call: (214) [user] classify_and_convert_charseq_(['C'], _1727222)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1728174, _1728176), once(user:catch(read_from_chars(['C'], _1727222), _1728156, fail)), '$restore_trace'(_1728174, _1728176))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1728174, _1728176))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1727222), _1728156, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_1727222)
   Fail: (215) [system] atomic(_1727222)
   Call: (215) [system] atom_chars(_1727222, ['C'])
   Exit: (215) [system] atom_chars('C', ['C'])
^  Exit: (214) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (214) [system] integer('C')
   Fail: (214) [system] integer('C')
   Call: (214) [system] _1679622='C'
   Exit: (214) [system] 'C'='C'
^  Exit: (213) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (212) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (211) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (211) [user] read_list(')', (0x563acd73bee0), _1742172)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1744030)
   Exit: (213) [system] peek_char((0x563acd73bee0), ')')
   Call: (213) [system] ')'=(;)
   Fail: (213) [system] ')'=(;)
   Call: (213) [system] ')'=(/)
   Fail: (213) [system] ')'=(/)
^  Call: (213) [user] is_like_space(')')
   Call: (214) [system] char_type(')', 'white')
   Fail: (214) [system] char_type(')', 'white')
   Call: (214) [system] char_type(')', end_of_line)
   Fail: (214) [system] char_type(')', end_of_line)
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] char_type(')', cntrl)
   Fail: (214) [system] char_type(')', cntrl)
^  Fail: (213) [user] is_like_space(')')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1760040)
   Exit: (212) [system] peek_char((0x563acd73bee0), ')')
   Call: (212) [system] ')'=')'
   Exit: (212) [system] ')'=')'
   Call: (212) [system] get_char((0x563acd73bee0), _1763830)
   Exit: (212) [system] get_char((0x563acd73bee0), ')')
   Call: (212) [system] _1742172=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_list(')', (0x563acd73bee0), [])
   Call: (211) [system] _1642962=['C']
   Exit: (211) [system] ['C']=['C']
^  Exit: (210) [user] read_list(')', (0x563acd73bee0), ['C'])
   Call: (210) [system] _1168138=[['AndLink', 'A', 'B'], 'C']
   Exit: (210) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (209) [user] read_list(')', (0x563acd73bee0), [['AndLink', 'A', 'B'], 'C'])
   Call: (209) [system] _895142=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (209) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (208) [user] read_list(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (207) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (207) [user] read_list(')', (0x563acd73bee0), _1777712)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1779570)
   Exit: (209) [system] peek_char((0x563acd73bee0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x563acd73bee0), _1789164)
   Exit: (209) [system] get_char((0x563acd73bee0), ' ')
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1791868)
   Exit: (210) [system] peek_char((0x563acd73bee0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1808802)
   Exit: (208) [system] peek_char((0x563acd73bee0), '(')
   Call: (208) [system] '('=')'
   Fail: (208) [system] '('=')'
   Call: (208) [system] '('=end_of_file
   Fail: (208) [system] '('=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x563acd73bee0), _1814372)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1816230)
   Exit: (210) [system] peek_char((0x563acd73bee0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] get_char((0x563acd73bee0), _1832240)
   Exit: (209) [system] get_char((0x563acd73bee0), '(')
   Call: (209) [system] '('='('
   Exit: (209) [system] '('='('
^  Call: (209) [user] read_list(')', (0x563acd73bee0), _1814372)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1837810)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'O')
   Call: (211) [system] 'O'=(;)
   Fail: (211) [system] 'O'=(;)
   Call: (211) [system] 'O'=(/)
   Fail: (211) [system] 'O'=(/)
^  Call: (211) [user] is_like_space('O')
   Call: (212) [system] char_type('O', 'white')
   Fail: (212) [system] char_type('O', 'white')
   Call: (212) [system] char_type('O', end_of_line)
   Fail: (212) [system] char_type('O', end_of_line)
   Call: (212) [system] char_type('O', space)
   Fail: (212) [system] char_type('O', space)
   Call: (212) [system] char_type('O', cntrl)
   Fail: (212) [system] char_type('O', cntrl)
^  Fail: (211) [user] is_like_space('O')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1853820)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'O')
   Call: (210) [system] 'O'=')'
   Fail: (210) [system] 'O'=')'
   Call: (210) [system] 'O'=end_of_file
   Fail: (210) [system] 'O'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x563acd73bee0), _1859390)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1861248)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'O')
   Call: (212) [system] 'O'=(;)
   Fail: (212) [system] 'O'=(;)
   Call: (212) [system] 'O'=(/)
   Fail: (212) [system] 'O'=(/)
^  Call: (212) [user] is_like_space('O')
   Call: (213) [system] char_type('O', 'white')
   Fail: (213) [system] char_type('O', 'white')
   Call: (213) [system] char_type('O', end_of_line)
   Fail: (213) [system] char_type('O', end_of_line)
   Call: (213) [system] char_type('O', space)
   Fail: (213) [system] char_type('O', space)
   Call: (213) [system] char_type('O', cntrl)
   Fail: (213) [system] char_type('O', cntrl)
^  Fail: (212) [user] is_like_space('O')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] get_char((0x563acd73bee0), _1877258)
   Exit: (211) [system] get_char((0x563acd73bee0), 'O')
   Call: (211) [system] 'O'='('
   Fail: (211) [system] 'O'='('
   Call: (211) [system] 'O'='['
   Fail: (211) [system] 'O'='['
   Call: (211) [system] 'O'='{'
   Fail: (211) [system] 'O'='{'
   Call: (211) [system] 'O'='"'
   Fail: (211) [system] 'O'='"'
   Call: (211) [system] 'O'=!
   Fail: (211) [system] 'O'=!
   Call: (211) [system] 'O'='\''
   Fail: (211) [system] 'O'='\''
   Call: (211) [system] 'O'='`'
   Fail: (211) [system] 'O'='`'
   Call: (211) [system] 'O'=end_of_file
   Fail: (211) [system] 'O'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x563acd73bee0), 'O', _1859390)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _1894900)
   Call: (213) [system] peek_char((0x563acd73bee0), _1895834)
   Exit: (213) [system] peek_char((0x563acd73bee0), r)
^  Call: (213) [user] is_delimiter(r)
   Call: (214) [system] char_type(r, space)
   Fail: (214) [system] char_type(r, space)
   Call: (214) [system] arg(_1900554, v('(', ')', end_of_file), r)
   Fail: (214) [system] arg(_1901486, v('(', ')', end_of_file), r)
^  Fail: (213) [user] is_delimiter(r)
   Call: (213) [system] ')'==r
   Fail: (213) [system] ')'==r
   Call: (213) [system] get_char((0x563acd73bee0), r)
   Exit: (213) [system] get_char((0x563acd73bee0), r)
   Call: (213) [system] r=(\)
   Fail: (213) [system] r=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _1908836)
   Call: (214) [system] peek_char((0x563acd73bee0), _1909770)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (214) [user] is_delimiter('L')
   Call: (215) [system] char_type('L', space)
   Fail: (215) [system] char_type('L', space)
   Call: (215) [system] arg(_1914490, v('(', ')', end_of_file), 'L')
   Fail: (215) [system] arg(_1915422, v('(', ')', end_of_file), 'L')
^  Fail: (214) [user] is_delimiter('L')
   Call: (214) [system] ')'=='L'
   Fail: (214) [system] ')'=='L'
   Call: (214) [system] get_char((0x563acd73bee0), 'L')
   Exit: (214) [system] get_char((0x563acd73bee0), 'L')
   Call: (214) [system] 'L'=(\)
   Fail: (214) [system] 'L'=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _1922772)
   Call: (215) [system] peek_char((0x563acd73bee0), _1923706)
   Exit: (215) [system] peek_char((0x563acd73bee0), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Fail: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_1928426, v('(', ')', end_of_file), i)
   Fail: (216) [system] arg(_1929358, v('(', ')', end_of_file), i)
^  Fail: (215) [user] is_delimiter(i)
   Call: (215) [system] ')'==i
   Fail: (215) [system] ')'==i
   Call: (215) [system] get_char((0x563acd73bee0), i)
   Exit: (215) [system] get_char((0x563acd73bee0), i)
   Call: (215) [system] i=(\)
   Fail: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _1936708)
   Call: (216) [system] peek_char((0x563acd73bee0), _1937642)
   Exit: (216) [system] peek_char((0x563acd73bee0), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_1942362, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_1943294, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x563acd73bee0), n)
   Exit: (216) [system] get_char((0x563acd73bee0), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _1950644)
   Call: (217) [system] peek_char((0x563acd73bee0), _1951578)
   Exit: (217) [system] peek_char((0x563acd73bee0), k)
^  Call: (217) [user] is_delimiter(k)
   Call: (218) [system] char_type(k, space)
   Fail: (218) [system] char_type(k, space)
   Call: (218) [system] arg(_1956298, v('(', ')', end_of_file), k)
   Fail: (218) [system] arg(_1957230, v('(', ')', end_of_file), k)
^  Fail: (217) [user] is_delimiter(k)
   Call: (217) [system] ')'==k
   Fail: (217) [system] ')'==k
   Call: (217) [system] get_char((0x563acd73bee0), k)
   Exit: (217) [system] get_char((0x563acd73bee0), k)
   Call: (217) [system] k=(\)
   Fail: (217) [system] k=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _1964580)
   Call: (218) [system] peek_char((0x563acd73bee0), _1965514)
   Exit: (218) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _1964580=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (217) [system] _1950644=[k]
   Exit: (217) [system] [k]=[k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (216) [system] _1936708=[n, k]
   Exit: (216) [system] [n, k]=[n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (215) [system] _1922772=[i, n, k]
   Exit: (215) [system] [i, n, k]=[i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (214) [system] _1908836=['L', i, n, k]
   Exit: (214) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (213) [system] _1894900=[r, 'L', i, n, k]
   Exit: (213) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (212) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1859390)
^  Call: (213) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1988768)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_1989720, _1989722), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1988768), _1989702, fail)), '$restore_trace'(_1989720, _1989722))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_1989720, _1989722))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1988768), _1989702, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_1988768)
   Fail: (214) [system] atomic(_1988768)
   Call: (214) [system] atom_chars(_1988768, ['O', r, 'L', i, n, k])
   Exit: (214) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (213) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (213) [system] integer('OrLink')
   Fail: (213) [system] integer('OrLink')
   Call: (213) [system] _1859390='OrLink'
   Exit: (213) [system] 'OrLink'='OrLink'
^  Exit: (212) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (211) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (210) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (210) [user] read_list(')', (0x563acd73bee0), _2003718)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _2005576)
   Exit: (212) [system] peek_char((0x563acd73bee0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x563acd73bee0), _2015170)
   Exit: (212) [system] get_char((0x563acd73bee0), ' ')
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _2017874)
   Exit: (213) [system] peek_char((0x563acd73bee0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _2034808)
   Exit: (211) [system] peek_char((0x563acd73bee0), '(')
   Call: (211) [system] '('=')'
   Fail: (211) [system] '('=')'
   Call: (211) [system] '('=end_of_file
   Fail: (211) [system] '('=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x563acd73bee0), _2040378)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _2042236)
   Exit: (213) [system] peek_char((0x563acd73bee0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] get_char((0x563acd73bee0), _2058246)
   Exit: (212) [system] get_char((0x563acd73bee0), '(')
   Call: (212) [system] '('='('
   Exit: (212) [system] '('='('
^  Call: (212) [user] read_list(')', (0x563acd73bee0), _2040378)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _2063816)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'I')
   Call: (214) [system] 'I'=(;)
   Fail: (214) [system] 'I'=(;)
   Call: (214) [system] 'I'=(/)
   Fail: (214) [system] 'I'=(/)
^  Call: (214) [user] is_like_space('I')
   Call: (215) [system] char_type('I', 'white')
   Fail: (215) [system] char_type('I', 'white')
   Call: (215) [system] char_type('I', end_of_line)
   Fail: (215) [system] char_type('I', end_of_line)
   Call: (215) [system] char_type('I', space)
   Fail: (215) [system] char_type('I', space)
   Call: (215) [system] char_type('I', cntrl)
   Fail: (215) [system] char_type('I', cntrl)
^  Fail: (214) [user] is_like_space('I')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _2079826)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'I')
   Call: (213) [system] 'I'=')'
   Fail: (213) [system] 'I'=')'
   Call: (213) [system] 'I'=end_of_file
   Fail: (213) [system] 'I'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x563acd73bee0), _2085396)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _2087254)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'I')
   Call: (215) [system] 'I'=(;)
   Fail: (215) [system] 'I'=(;)
   Call: (215) [system] 'I'=(/)
   Fail: (215) [system] 'I'=(/)
^  Call: (215) [user] is_like_space('I')
   Call: (216) [system] char_type('I', 'white')
   Fail: (216) [system] char_type('I', 'white')
   Call: (216) [system] char_type('I', end_of_line)
   Fail: (216) [system] char_type('I', end_of_line)
   Call: (216) [system] char_type('I', space)
   Fail: (216) [system] char_type('I', space)
   Call: (216) [system] char_type('I', cntrl)
   Fail: (216) [system] char_type('I', cntrl)
^  Fail: (215) [user] is_like_space('I')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] get_char((0x563acd73bee0), _11214)
   Exit: (214) [system] get_char((0x563acd73bee0), 'I')
   Call: (214) [system] 'I'='('
   Fail: (214) [system] 'I'='('
   Call: (214) [system] 'I'='['
   Fail: (214) [system] 'I'='['
   Call: (214) [system] 'I'='{'
   Fail: (214) [system] 'I'='{'
   Call: (214) [system] 'I'='"'
   Fail: (214) [system] 'I'='"'
   Call: (214) [system] 'I'=!
   Fail: (214) [system] 'I'=!
   Call: (214) [system] 'I'='\''
   Fail: (214) [system] 'I'='\''
   Call: (214) [system] 'I'='`'
   Fail: (214) [system] 'I'='`'
   Call: (214) [system] 'I'=end_of_file
   Fail: (214) [system] 'I'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x563acd73bee0), 'I', _4790)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _28856)
   Call: (216) [system] peek_char((0x563acd73bee0), _29790)
   Exit: (216) [system] peek_char((0x563acd73bee0), m)
^  Call: (216) [user] is_delimiter(m)
   Call: (217) [system] char_type(m, space)
   Fail: (217) [system] char_type(m, space)
   Call: (217) [system] arg(_34510, v('(', ')', end_of_file), m)
   Fail: (217) [system] arg(_35442, v('(', ')', end_of_file), m)
^  Fail: (216) [user] is_delimiter(m)
   Call: (216) [system] ')'==m
   Fail: (216) [system] ')'==m
   Call: (216) [system] get_char((0x563acd73bee0), m)
   Exit: (216) [system] get_char((0x563acd73bee0), m)
   Call: (216) [system] m=(\)
   Fail: (216) [system] m=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _42792)
   Call: (217) [system] peek_char((0x563acd73bee0), _43726)
   Exit: (217) [system] peek_char((0x563acd73bee0), p)
^  Call: (217) [user] is_delimiter(p)
   Call: (218) [system] char_type(p, space)
   Fail: (218) [system] char_type(p, space)
   Call: (218) [system] arg(_48446, v('(', ')', end_of_file), p)
   Fail: (218) [system] arg(_49378, v('(', ')', end_of_file), p)
^  Fail: (217) [user] is_delimiter(p)
   Call: (217) [system] ')'==p
   Fail: (217) [system] ')'==p
   Call: (217) [system] get_char((0x563acd73bee0), p)
   Exit: (217) [system] get_char((0x563acd73bee0), p)
   Call: (217) [system] p=(\)
   Fail: (217) [system] p=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _56728)
   Call: (218) [system] peek_char((0x563acd73bee0), _57662)
   Exit: (218) [system] peek_char((0x563acd73bee0), l)
^  Call: (218) [user] is_delimiter(l)
   Call: (219) [system] char_type(l, space)
   Fail: (219) [system] char_type(l, space)
   Call: (219) [system] arg(_62382, v('(', ')', end_of_file), l)
   Fail: (219) [system] arg(_63314, v('(', ')', end_of_file), l)
^  Fail: (218) [user] is_delimiter(l)
   Call: (218) [system] ')'==l
   Fail: (218) [system] ')'==l
   Call: (218) [system] get_char((0x563acd73bee0), l)
   Exit: (218) [system] get_char((0x563acd73bee0), l)
   Call: (218) [system] l=(\)
   Fail: (218) [system] l=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _70664)
   Call: (219) [system] peek_char((0x563acd73bee0), _71598)
   Exit: (219) [system] peek_char((0x563acd73bee0), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Fail: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_76318, v('(', ')', end_of_file), i)
   Fail: (220) [system] arg(_77250, v('(', ')', end_of_file), i)
^  Fail: (219) [user] is_delimiter(i)
   Call: (219) [system] ')'==i
   Fail: (219) [system] ')'==i
   Call: (219) [system] get_char((0x563acd73bee0), i)
   Exit: (219) [system] get_char((0x563acd73bee0), i)
   Call: (219) [system] i=(\)
   Fail: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _84600)
   Call: (220) [system] peek_char((0x563acd73bee0), _85534)
   Exit: (220) [system] peek_char((0x563acd73bee0), c)
^  Call: (220) [user] is_delimiter(c)
   Call: (221) [system] char_type(c, space)
   Fail: (221) [system] char_type(c, space)
   Call: (221) [system] arg(_90254, v('(', ')', end_of_file), c)
   Fail: (221) [system] arg(_91186, v('(', ')', end_of_file), c)
^  Fail: (220) [user] is_delimiter(c)
   Call: (220) [system] ')'==c
   Fail: (220) [system] ')'==c
   Call: (220) [system] get_char((0x563acd73bee0), c)
   Exit: (220) [system] get_char((0x563acd73bee0), c)
   Call: (220) [system] c=(\)
   Fail: (220) [system] c=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _98536)
   Call: (221) [system] peek_char((0x563acd73bee0), _99470)
   Exit: (221) [system] peek_char((0x563acd73bee0), a)
^  Call: (221) [user] is_delimiter(a)
   Call: (222) [system] char_type(a, space)
   Fail: (222) [system] char_type(a, space)
   Call: (222) [system] arg(_104190, v('(', ')', end_of_file), a)
   Fail: (222) [system] arg(_105122, v('(', ')', end_of_file), a)
^  Fail: (221) [user] is_delimiter(a)
   Call: (221) [system] ')'==a
   Fail: (221) [system] ')'==a
   Call: (221) [system] get_char((0x563acd73bee0), a)
   Exit: (221) [system] get_char((0x563acd73bee0), a)
   Call: (221) [system] a=(\)
   Fail: (221) [system] a=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _112472)
   Call: (222) [system] peek_char((0x563acd73bee0), _113406)
   Exit: (222) [system] peek_char((0x563acd73bee0), t)
^  Call: (222) [user] is_delimiter(t)
   Call: (223) [system] char_type(t, space)
   Fail: (223) [system] char_type(t, space)
   Call: (223) [system] arg(_118126, v('(', ')', end_of_file), t)
   Fail: (223) [system] arg(_119058, v('(', ')', end_of_file), t)
^  Fail: (222) [user] is_delimiter(t)
   Call: (222) [system] ')'==t
   Fail: (222) [system] ')'==t
   Call: (222) [system] get_char((0x563acd73bee0), t)
   Exit: (222) [system] get_char((0x563acd73bee0), t)
   Call: (222) [system] t=(\)
   Fail: (222) [system] t=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _126408)
   Call: (223) [system] peek_char((0x563acd73bee0), _127342)
   Exit: (223) [system] peek_char((0x563acd73bee0), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Fail: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_132062, v('(', ')', end_of_file), i)
   Fail: (224) [system] arg(_132994, v('(', ')', end_of_file), i)
^  Fail: (223) [user] is_delimiter(i)
   Call: (223) [system] ')'==i
   Fail: (223) [system] ')'==i
   Call: (223) [system] get_char((0x563acd73bee0), i)
   Exit: (223) [system] get_char((0x563acd73bee0), i)
   Call: (223) [system] i=(\)
   Fail: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _140344)
   Call: (224) [system] peek_char((0x563acd73bee0), _141278)
   Exit: (224) [system] peek_char((0x563acd73bee0), o)
^  Call: (224) [user] is_delimiter(o)
   Call: (225) [system] char_type(o, space)
   Fail: (225) [system] char_type(o, space)
   Call: (225) [system] arg(_145998, v('(', ')', end_of_file), o)
   Fail: (225) [system] arg(_146930, v('(', ')', end_of_file), o)
^  Fail: (224) [user] is_delimiter(o)
   Call: (224) [system] ')'==o
   Fail: (224) [system] ')'==o
   Call: (224) [system] get_char((0x563acd73bee0), o)
   Exit: (224) [system] get_char((0x563acd73bee0), o)
   Call: (224) [system] o=(\)
   Fail: (224) [system] o=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _154280)
   Call: (225) [system] peek_char((0x563acd73bee0), _155214)
   Exit: (225) [system] peek_char((0x563acd73bee0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_159934, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_160866, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x563acd73bee0), n)
   Exit: (225) [system] get_char((0x563acd73bee0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _168216)
   Call: (226) [system] peek_char((0x563acd73bee0), _169150)
   Exit: (226) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _168216=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (225) [system] _154280=[n]
   Exit: (225) [system] [n]=[n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (224) [system] _140344=[o, n]
   Exit: (224) [system] [o, n]=[o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (223) [system] _126408=[i, o, n]
   Exit: (223) [system] [i, o, n]=[i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (222) [system] _112472=[t, i, o, n]
   Exit: (222) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (221) [system] _98536=[a, t, i, o, n]
   Exit: (221) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (220) [system] _84600=[c, a, t, i, o, n]
   Exit: (220) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (219) [system] _70664=[i, c, a, t, i, o, n]
   Exit: (219) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (218) [system] _56728=[l, i, c, a, t, i, o, n]
   Exit: (218) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (217) [system] _42792=[p, l, i, c, a, t, i, o, n]
   Exit: (217) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (216) [system] _28856=[m, p, l, i, c, a, t, i, o, n]
   Exit: (216) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (215) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _4790)
^  Call: (216) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _206374)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_207326, _207328), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _206374), _207308, fail)), '$restore_trace'(_207326, _207328))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_207326, _207328))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _206374), _207308, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_206374)
   Fail: (217) [system] atomic(_206374)
   Call: (217) [system] atom_chars(_206374, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (217) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (216) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (216) [system] integer('Implication')
   Fail: (216) [system] integer('Implication')
   Call: (216) [system] _4790='Implication'
   Exit: (216) [system] 'Implication'='Implication'
^  Exit: (215) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (214) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (213) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (213) [user] read_list(')', (0x563acd73bee0), _221324)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _223182)
   Exit: (215) [system] peek_char((0x563acd73bee0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x563acd73bee0), _232776)
   Exit: (215) [system] get_char((0x563acd73bee0), ' ')
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _235480)
   Exit: (216) [system] peek_char((0x563acd73bee0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _252414)
   Exit: (214) [system] peek_char((0x563acd73bee0), '(')
   Call: (214) [system] '('=')'
   Fail: (214) [system] '('=')'
   Call: (214) [system] '('=end_of_file
   Fail: (214) [system] '('=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x563acd73bee0), _257984)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _259842)
   Exit: (216) [system] peek_char((0x563acd73bee0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] get_char((0x563acd73bee0), _275852)
   Exit: (215) [system] get_char((0x563acd73bee0), '(')
   Call: (215) [system] '('='('
   Exit: (215) [system] '('='('
^  Call: (215) [user] read_list(')', (0x563acd73bee0), _257984)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _281422)
   Exit: (217) [system] peek_char((0x563acd73bee0), 'A')
   Call: (217) [system] 'A'=(;)
   Fail: (217) [system] 'A'=(;)
   Call: (217) [system] 'A'=(/)
   Fail: (217) [system] 'A'=(/)
^  Call: (217) [user] is_like_space('A')
   Call: (218) [system] char_type('A', 'white')
   Fail: (218) [system] char_type('A', 'white')
   Call: (218) [system] char_type('A', end_of_line)
   Fail: (218) [system] char_type('A', end_of_line)
   Call: (218) [system] char_type('A', space)
   Fail: (218) [system] char_type('A', space)
   Call: (218) [system] char_type('A', cntrl)
   Fail: (218) [system] char_type('A', cntrl)
^  Fail: (217) [user] is_like_space('A')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _297432)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'A')
   Call: (216) [system] 'A'=')'
   Fail: (216) [system] 'A'=')'
   Call: (216) [system] 'A'=end_of_file
   Fail: (216) [system] 'A'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x563acd73bee0), _303002)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _304860)
   Exit: (218) [system] peek_char((0x563acd73bee0), 'A')
   Call: (218) [system] 'A'=(;)
   Fail: (218) [system] 'A'=(;)
   Call: (218) [system] 'A'=(/)
   Fail: (218) [system] 'A'=(/)
^  Call: (218) [user] is_like_space('A')
   Call: (219) [system] char_type('A', 'white')
   Fail: (219) [system] char_type('A', 'white')
   Call: (219) [system] char_type('A', end_of_line)
   Fail: (219) [system] char_type('A', end_of_line)
   Call: (219) [system] char_type('A', space)
   Fail: (219) [system] char_type('A', space)
   Call: (219) [system] char_type('A', cntrl)
   Fail: (219) [system] char_type('A', cntrl)
^  Fail: (218) [user] is_like_space('A')
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] get_char((0x563acd73bee0), _320870)
   Exit: (217) [system] get_char((0x563acd73bee0), 'A')
   Call: (217) [system] 'A'='('
   Fail: (217) [system] 'A'='('
   Call: (217) [system] 'A'='['
   Fail: (217) [system] 'A'='['
   Call: (217) [system] 'A'='{'
   Fail: (217) [system] 'A'='{'
   Call: (217) [system] 'A'='"'
   Fail: (217) [system] 'A'='"'
   Call: (217) [system] 'A'=!
   Fail: (217) [system] 'A'=!
   Call: (217) [system] 'A'='\''
   Fail: (217) [system] 'A'='\''
   Call: (217) [system] 'A'='`'
   Fail: (217) [system] 'A'='`'
   Call: (217) [system] 'A'=end_of_file
   Fail: (217) [system] 'A'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x563acd73bee0), 'A', _303002)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _338512)
   Call: (219) [system] peek_char((0x563acd73bee0), _339446)
   Exit: (219) [system] peek_char((0x563acd73bee0), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_344166, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_345098, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x563acd73bee0), n)
   Exit: (219) [system] get_char((0x563acd73bee0), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _352448)
   Call: (220) [system] peek_char((0x563acd73bee0), _353382)
   Exit: (220) [system] peek_char((0x563acd73bee0), d)
^  Call: (220) [user] is_delimiter(d)
   Call: (221) [system] char_type(d, space)
   Fail: (221) [system] char_type(d, space)
   Call: (221) [system] arg(_358102, v('(', ')', end_of_file), d)
   Fail: (221) [system] arg(_359034, v('(', ')', end_of_file), d)
^  Fail: (220) [user] is_delimiter(d)
   Call: (220) [system] ')'==d
   Fail: (220) [system] ')'==d
   Call: (220) [system] get_char((0x563acd73bee0), d)
   Exit: (220) [system] get_char((0x563acd73bee0), d)
   Call: (220) [system] d=(\)
   Fail: (220) [system] d=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _366384)
   Call: (221) [system] peek_char((0x563acd73bee0), _367318)
   Exit: (221) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (221) [user] is_delimiter('L')
   Call: (222) [system] char_type('L', space)
   Fail: (222) [system] char_type('L', space)
   Call: (222) [system] arg(_372038, v('(', ')', end_of_file), 'L')
   Fail: (222) [system] arg(_372970, v('(', ')', end_of_file), 'L')
^  Fail: (221) [user] is_delimiter('L')
   Call: (221) [system] ')'=='L'
   Fail: (221) [system] ')'=='L'
   Call: (221) [system] get_char((0x563acd73bee0), 'L')
   Exit: (221) [system] get_char((0x563acd73bee0), 'L')
   Call: (221) [system] 'L'=(\)
   Fail: (221) [system] 'L'=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _380320)
   Call: (222) [system] peek_char((0x563acd73bee0), _381254)
   Exit: (222) [system] peek_char((0x563acd73bee0), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_385974, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_386906, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x563acd73bee0), i)
   Exit: (222) [system] get_char((0x563acd73bee0), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _394256)
   Call: (223) [system] peek_char((0x563acd73bee0), _395190)
   Exit: (223) [system] peek_char((0x563acd73bee0), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_399910, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_400842, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x563acd73bee0), n)
   Exit: (223) [system] get_char((0x563acd73bee0), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _408192)
   Call: (224) [system] peek_char((0x563acd73bee0), _409126)
   Exit: (224) [system] peek_char((0x563acd73bee0), k)
^  Call: (224) [user] is_delimiter(k)
   Call: (225) [system] char_type(k, space)
   Fail: (225) [system] char_type(k, space)
   Call: (225) [system] arg(_413846, v('(', ')', end_of_file), k)
   Fail: (225) [system] arg(_414778, v('(', ')', end_of_file), k)
^  Fail: (224) [user] is_delimiter(k)
   Call: (224) [system] ')'==k
   Fail: (224) [system] ')'==k
   Call: (224) [system] get_char((0x563acd73bee0), k)
   Exit: (224) [system] get_char((0x563acd73bee0), k)
   Call: (224) [system] k=(\)
   Fail: (224) [system] k=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _422128)
   Call: (225) [system] peek_char((0x563acd73bee0), _423062)
   Exit: (225) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _422128=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (224) [system] _408192=[k]
   Exit: (224) [system] [k]=[k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (223) [system] _394256=[n, k]
   Exit: (223) [system] [n, k]=[n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (222) [system] _380320=[i, n, k]
   Exit: (222) [system] [i, n, k]=[i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (221) [system] _366384=['L', i, n, k]
   Exit: (221) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (220) [system] _352448=[d, 'L', i, n, k]
   Exit: (220) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, 'L', i, n, k])
   Call: (219) [system] _338512=[n, d, 'L', i, n, k]
   Exit: (219) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, d, 'L', i, n, k])
^  Call: (218) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _303002)
^  Call: (219) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _449110)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_450062, _450064), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _449110), _450044, fail)), '$restore_trace'(_450062, _450064))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_450062, _450064))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _449110), _450044, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_449110)
   Fail: (220) [system] atomic(_449110)
   Call: (220) [system] atom_chars(_449110, ['A', n, d, 'L', i, n, k])
   Exit: (220) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (219) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (219) [system] integer('AndLink')
   Fail: (219) [system] integer('AndLink')
   Call: (219) [system] _303002='AndLink'
   Exit: (219) [system] 'AndLink'='AndLink'
^  Exit: (218) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (217) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'AndLink')
^  Exit: (216) [user] cont_sexpr(')', (0x563acd73bee0), 'AndLink')
^  Call: (216) [user] read_list(')', (0x563acd73bee0), _464060)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _465918)
   Exit: (218) [system] peek_char((0x563acd73bee0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x563acd73bee0), _475512)
   Exit: (218) [system] get_char((0x563acd73bee0), ' ')
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _478216)
   Exit: (219) [system] peek_char((0x563acd73bee0), 'A')
   Call: (219) [system] 'A'=(;)
   Fail: (219) [system] 'A'=(;)
   Call: (219) [system] 'A'=(/)
   Fail: (219) [system] 'A'=(/)
^  Call: (219) [user] is_like_space('A')
   Call: (220) [system] char_type('A', 'white')
   Fail: (220) [system] char_type('A', 'white')
   Call: (220) [system] char_type('A', end_of_line)
   Fail: (220) [system] char_type('A', end_of_line)
   Call: (220) [system] char_type('A', space)
   Fail: (220) [system] char_type('A', space)
   Call: (220) [system] char_type('A', cntrl)
   Fail: (220) [system] char_type('A', cntrl)
^  Fail: (219) [user] is_like_space('A')
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _495150)
   Exit: (217) [system] peek_char((0x563acd73bee0), 'A')
   Call: (217) [system] 'A'=')'
   Fail: (217) [system] 'A'=')'
   Call: (217) [system] 'A'=end_of_file
   Fail: (217) [system] 'A'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x563acd73bee0), _500720)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _502578)
   Exit: (219) [system] peek_char((0x563acd73bee0), 'A')
   Call: (219) [system] 'A'=(;)
   Fail: (219) [system] 'A'=(;)
   Call: (219) [system] 'A'=(/)
   Fail: (219) [system] 'A'=(/)
^  Call: (219) [user] is_like_space('A')
   Call: (220) [system] char_type('A', 'white')
   Fail: (220) [system] char_type('A', 'white')
   Call: (220) [system] char_type('A', end_of_line)
   Fail: (220) [system] char_type('A', end_of_line)
   Call: (220) [system] char_type('A', space)
   Fail: (220) [system] char_type('A', space)
   Call: (220) [system] char_type('A', cntrl)
   Fail: (220) [system] char_type('A', cntrl)
^  Fail: (219) [user] is_like_space('A')
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] get_char((0x563acd73bee0), _518588)
   Exit: (218) [system] get_char((0x563acd73bee0), 'A')
   Call: (218) [system] 'A'='('
   Fail: (218) [system] 'A'='('
   Call: (218) [system] 'A'='['
   Fail: (218) [system] 'A'='['
   Call: (218) [system] 'A'='{'
   Fail: (218) [system] 'A'='{'
   Call: (218) [system] 'A'='"'
   Fail: (218) [system] 'A'='"'
   Call: (218) [system] 'A'=!
   Fail: (218) [system] 'A'=!
   Call: (218) [system] 'A'='\''
   Fail: (218) [system] 'A'='\''
   Call: (218) [system] 'A'='`'
   Fail: (218) [system] 'A'='`'
   Call: (218) [system] 'A'=end_of_file
   Fail: (218) [system] 'A'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x563acd73bee0), 'A', _500720)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _536230)
   Call: (220) [system] peek_char((0x563acd73bee0), _537164)
   Exit: (220) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _536230=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (219) [user] classify_and_convert_charseq(['A'], _500720)
^  Call: (220) [user] classify_and_convert_charseq_(['A'], _546448)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_547400, _547402), once(user:catch(read_from_chars(['A'], _546448), _547382, fail)), '$restore_trace'(_547400, _547402))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_547400, _547402))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _546448), _547382, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_546448)
   Fail: (221) [system] atomic(_546448)
   Call: (221) [system] atom_chars(_546448, ['A'])
   Exit: (221) [system] atom_chars('A', ['A'])
^  Exit: (220) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (220) [system] integer('A')
   Fail: (220) [system] integer('A')
   Call: (220) [system] _500720='A'
   Exit: (220) [system] 'A'='A'
^  Exit: (219) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (218) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (217) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (217) [user] read_list(')', (0x563acd73bee0), _561398)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _563256)
   Exit: (219) [system] peek_char((0x563acd73bee0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x563acd73bee0), _572850)
   Exit: (219) [system] get_char((0x563acd73bee0), ' ')
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _575554)
   Exit: (220) [system] peek_char((0x563acd73bee0), 'B')
   Call: (220) [system] 'B'=(;)
   Fail: (220) [system] 'B'=(;)
   Call: (220) [system] 'B'=(/)
   Fail: (220) [system] 'B'=(/)
^  Call: (220) [user] is_like_space('B')
   Call: (221) [system] char_type('B', 'white')
   Fail: (221) [system] char_type('B', 'white')
   Call: (221) [system] char_type('B', end_of_line)
   Fail: (221) [system] char_type('B', end_of_line)
   Call: (221) [system] char_type('B', space)
   Fail: (221) [system] char_type('B', space)
   Call: (221) [system] char_type('B', cntrl)
   Fail: (221) [system] char_type('B', cntrl)
^  Fail: (220) [user] is_like_space('B')
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _592488)
   Exit: (218) [system] peek_char((0x563acd73bee0), 'B')
   Call: (218) [system] 'B'=')'
   Fail: (218) [system] 'B'=')'
   Call: (218) [system] 'B'=end_of_file
   Fail: (218) [system] 'B'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x563acd73bee0), _598058)
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _599916)
   Exit: (220) [system] peek_char((0x563acd73bee0), 'B')
   Call: (220) [system] 'B'=(;)
   Fail: (220) [system] 'B'=(;)
   Call: (220) [system] 'B'=(/)
   Fail: (220) [system] 'B'=(/)
^  Call: (220) [user] is_like_space('B')
   Call: (221) [system] char_type('B', 'white')
   Fail: (221) [system] char_type('B', 'white')
   Call: (221) [system] char_type('B', end_of_line)
   Fail: (221) [system] char_type('B', end_of_line)
   Call: (221) [system] char_type('B', space)
   Fail: (221) [system] char_type('B', space)
   Call: (221) [system] char_type('B', cntrl)
   Fail: (221) [system] char_type('B', cntrl)
^  Fail: (220) [user] is_like_space('B')
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] get_char((0x563acd73bee0), _615926)
   Exit: (219) [system] get_char((0x563acd73bee0), 'B')
   Call: (219) [system] 'B'='('
   Fail: (219) [system] 'B'='('
   Call: (219) [system] 'B'='['
   Fail: (219) [system] 'B'='['
   Call: (219) [system] 'B'='{'
   Fail: (219) [system] 'B'='{'
   Call: (219) [system] 'B'='"'
   Fail: (219) [system] 'B'='"'
   Call: (219) [system] 'B'=!
   Fail: (219) [system] 'B'=!
   Call: (219) [system] 'B'='\''
   Fail: (219) [system] 'B'='\''
   Call: (219) [system] 'B'='`'
   Fail: (219) [system] 'B'='`'
   Call: (219) [system] 'B'=end_of_file
   Fail: (219) [system] 'B'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x563acd73bee0), 'B', _598058)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _633568)
   Call: (221) [system] peek_char((0x563acd73bee0), _634502)
   Exit: (221) [system] peek_char((0x563acd73bee0), ')')
^  Call: (221) [user] is_delimiter(')')
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] arg(_639222, v('(', ')', end_of_file), ')')
   Exit: (222) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (221) [user] is_delimiter(')')
   Call: (221) [system] _633568=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (220) [user] classify_and_convert_charseq(['B'], _598058)
^  Call: (221) [user] classify_and_convert_charseq_(['B'], _645658)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_646610, _646612), once(user:catch(read_from_chars(['B'], _645658), _646592, fail)), '$restore_trace'(_646610, _646612))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_646610, _646612))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _645658), _646592, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_645658)
   Fail: (222) [system] atomic(_645658)
   Call: (222) [system] atom_chars(_645658, ['B'])
   Exit: (222) [system] atom_chars('B', ['B'])
^  Exit: (221) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (221) [system] integer('B')
   Fail: (221) [system] integer('B')
   Call: (221) [system] _598058='B'
   Exit: (221) [system] 'B'='B'
^  Exit: (220) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (219) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (218) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (218) [user] read_list(')', (0x563acd73bee0), _660608)
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _662466)
   Exit: (220) [system] peek_char((0x563acd73bee0), ')')
   Call: (220) [system] ')'=(;)
   Fail: (220) [system] ')'=(;)
   Call: (220) [system] ')'=(/)
   Fail: (220) [system] ')'=(/)
^  Call: (220) [user] is_like_space(')')
   Call: (221) [system] char_type(')', 'white')
   Fail: (221) [system] char_type(')', 'white')
   Call: (221) [system] char_type(')', end_of_line)
   Fail: (221) [system] char_type(')', end_of_line)
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] char_type(')', cntrl)
   Fail: (221) [system] char_type(')', cntrl)
^  Fail: (220) [user] is_like_space(')')
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _678476)
   Exit: (219) [system] peek_char((0x563acd73bee0), ')')
   Call: (219) [system] ')'=')'
   Exit: (219) [system] ')'=')'
   Call: (219) [system] get_char((0x563acd73bee0), _682266)
   Exit: (219) [system] get_char((0x563acd73bee0), ')')
   Call: (219) [system] _660608=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_list(')', (0x563acd73bee0), [])
   Call: (218) [system] _561398=['B']
   Exit: (218) [system] ['B']=['B']
^  Exit: (217) [user] read_list(')', (0x563acd73bee0), ['B'])
   Call: (217) [system] _464060=['A', 'B']
   Exit: (217) [system] ['A', 'B']=['A', 'B']
^  Exit: (216) [user] read_list(')', (0x563acd73bee0), ['A', 'B'])
   Call: (216) [system] _257984=['AndLink', 'A', 'B']
   Exit: (216) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (215) [user] read_list(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Exit: (214) [user] cont_sexpr(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Call: (214) [user] read_list(')', (0x563acd73bee0), _696148)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _698006)
   Exit: (216) [system] peek_char((0x563acd73bee0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x563acd73bee0), _707600)
   Exit: (216) [system] get_char((0x563acd73bee0), ' ')
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _710304)
   Exit: (217) [system] peek_char((0x563acd73bee0), 'C')
   Call: (217) [system] 'C'=(;)
   Fail: (217) [system] 'C'=(;)
   Call: (217) [system] 'C'=(/)
   Fail: (217) [system] 'C'=(/)
^  Call: (217) [user] is_like_space('C')
   Call: (218) [system] char_type('C', 'white')
   Fail: (218) [system] char_type('C', 'white')
   Call: (218) [system] char_type('C', end_of_line)
   Fail: (218) [system] char_type('C', end_of_line)
   Call: (218) [system] char_type('C', space)
   Fail: (218) [system] char_type('C', space)
   Call: (218) [system] char_type('C', cntrl)
   Fail: (218) [system] char_type('C', cntrl)
^  Fail: (217) [user] is_like_space('C')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _727238)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'C')
   Call: (215) [system] 'C'=')'
   Fail: (215) [system] 'C'=')'
   Call: (215) [system] 'C'=end_of_file
   Fail: (215) [system] 'C'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x563acd73bee0), _732808)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _734666)
   Exit: (217) [system] peek_char((0x563acd73bee0), 'C')
   Call: (217) [system] 'C'=(;)
   Fail: (217) [system] 'C'=(;)
   Call: (217) [system] 'C'=(/)
   Fail: (217) [system] 'C'=(/)
^  Call: (217) [user] is_like_space('C')
   Call: (218) [system] char_type('C', 'white')
   Fail: (218) [system] char_type('C', 'white')
   Call: (218) [system] char_type('C', end_of_line)
   Fail: (218) [system] char_type('C', end_of_line)
   Call: (218) [system] char_type('C', space)
   Fail: (218) [system] char_type('C', space)
   Call: (218) [system] char_type('C', cntrl)
   Fail: (218) [system] char_type('C', cntrl)
^  Fail: (217) [user] is_like_space('C')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] get_char((0x563acd73bee0), _750676)
   Exit: (216) [system] get_char((0x563acd73bee0), 'C')
   Call: (216) [system] 'C'='('
   Fail: (216) [system] 'C'='('
   Call: (216) [system] 'C'='['
   Fail: (216) [system] 'C'='['
   Call: (216) [system] 'C'='{'
   Fail: (216) [system] 'C'='{'
   Call: (216) [system] 'C'='"'
   Fail: (216) [system] 'C'='"'
   Call: (216) [system] 'C'=!
   Fail: (216) [system] 'C'=!
   Call: (216) [system] 'C'='\''
   Fail: (216) [system] 'C'='\''
   Call: (216) [system] 'C'='`'
   Fail: (216) [system] 'C'='`'
   Call: (216) [system] 'C'=end_of_file
   Fail: (216) [system] 'C'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x563acd73bee0), 'C', _732808)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _768318)
   Call: (218) [system] peek_char((0x563acd73bee0), _769252)
   Exit: (218) [system] peek_char((0x563acd73bee0), ')')
^  Call: (218) [user] is_delimiter(')')
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] arg(_773972, v('(', ')', end_of_file), ')')
   Exit: (219) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (218) [user] is_delimiter(')')
   Call: (218) [system] _768318=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (217) [user] classify_and_convert_charseq(['C'], _732808)
^  Call: (218) [user] classify_and_convert_charseq_(['C'], _780408)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_781360, _781362), once(user:catch(read_from_chars(['C'], _780408), _781342, fail)), '$restore_trace'(_781360, _781362))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_781360, _781362))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _780408), _781342, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_780408)
   Fail: (219) [system] atomic(_780408)
   Call: (219) [system] atom_chars(_780408, ['C'])
   Exit: (219) [system] atom_chars('C', ['C'])
^  Exit: (218) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (218) [system] integer('C')
   Fail: (218) [system] integer('C')
   Call: (218) [system] _732808='C'
   Exit: (218) [system] 'C'='C'
^  Exit: (217) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (216) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (215) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (215) [user] read_list(')', (0x563acd73bee0), _795358)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _797216)
   Exit: (217) [system] peek_char((0x563acd73bee0), ')')
   Call: (217) [system] ')'=(;)
   Fail: (217) [system] ')'=(;)
   Call: (217) [system] ')'=(/)
   Fail: (217) [system] ')'=(/)
^  Call: (217) [user] is_like_space(')')
   Call: (218) [system] char_type(')', 'white')
   Fail: (218) [system] char_type(')', 'white')
   Call: (218) [system] char_type(')', end_of_line)
   Fail: (218) [system] char_type(')', end_of_line)
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] char_type(')', cntrl)
   Fail: (218) [system] char_type(')', cntrl)
^  Fail: (217) [user] is_like_space(')')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _813226)
   Exit: (216) [system] peek_char((0x563acd73bee0), ')')
   Call: (216) [system] ')'=')'
   Exit: (216) [system] ')'=')'
   Call: (216) [system] get_char((0x563acd73bee0), _817016)
   Exit: (216) [system] get_char((0x563acd73bee0), ')')
   Call: (216) [system] _795358=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_list(')', (0x563acd73bee0), [])
   Call: (215) [system] _696148=['C']
   Exit: (215) [system] ['C']=['C']
^  Exit: (214) [user] read_list(')', (0x563acd73bee0), ['C'])
   Call: (214) [system] _221324=[['AndLink', 'A', 'B'], 'C']
   Exit: (214) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (213) [user] read_list(')', (0x563acd73bee0), [['AndLink', 'A', 'B'], 'C'])
   Call: (213) [system] _4784=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (213) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (212) [user] read_list(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (211) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (211) [user] read_list(')', (0x563acd73bee0), _830898)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _832756)
   Exit: (213) [system] peek_char((0x563acd73bee0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x563acd73bee0), _842350)
   Exit: (213) [system] get_char((0x563acd73bee0), ' ')
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _845054)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'A')
   Call: (214) [system] 'A'=(;)
   Fail: (214) [system] 'A'=(;)
   Call: (214) [system] 'A'=(/)
   Fail: (214) [system] 'A'=(/)
^  Call: (214) [user] is_like_space('A')
   Call: (215) [system] char_type('A', 'white')
   Fail: (215) [system] char_type('A', 'white')
   Call: (215) [system] char_type('A', end_of_line)
   Fail: (215) [system] char_type('A', end_of_line)
   Call: (215) [system] char_type('A', space)
   Fail: (215) [system] char_type('A', space)
   Call: (215) [system] char_type('A', cntrl)
   Fail: (215) [system] char_type('A', cntrl)
^  Fail: (214) [user] is_like_space('A')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _861988)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'A')
   Call: (212) [system] 'A'=')'
   Fail: (212) [system] 'A'=')'
   Call: (212) [system] 'A'=end_of_file
   Fail: (212) [system] 'A'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x563acd73bee0), _867558)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _869416)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'A')
   Call: (214) [system] 'A'=(;)
   Fail: (214) [system] 'A'=(;)
   Call: (214) [system] 'A'=(/)
   Fail: (214) [system] 'A'=(/)
^  Call: (214) [user] is_like_space('A')
   Call: (215) [system] char_type('A', 'white')
   Fail: (215) [system] char_type('A', 'white')
   Call: (215) [system] char_type('A', end_of_line)
   Fail: (215) [system] char_type('A', end_of_line)
   Call: (215) [system] char_type('A', space)
   Fail: (215) [system] char_type('A', space)
   Call: (215) [system] char_type('A', cntrl)
   Fail: (215) [system] char_type('A', cntrl)
^  Fail: (214) [user] is_like_space('A')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] get_char((0x563acd73bee0), _885426)
   Exit: (213) [system] get_char((0x563acd73bee0), 'A')
   Call: (213) [system] 'A'='('
   Fail: (213) [system] 'A'='('
   Call: (213) [system] 'A'='['
   Fail: (213) [system] 'A'='['
   Call: (213) [system] 'A'='{'
   Fail: (213) [system] 'A'='{'
   Call: (213) [system] 'A'='"'
   Fail: (213) [system] 'A'='"'
   Call: (213) [system] 'A'=!
   Fail: (213) [system] 'A'=!
   Call: (213) [system] 'A'='\''
   Fail: (213) [system] 'A'='\''
   Call: (213) [system] 'A'='`'
   Fail: (213) [system] 'A'='`'
   Call: (213) [system] 'A'=end_of_file
   Fail: (213) [system] 'A'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x563acd73bee0), 'A', _867558)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _903068)
   Call: (215) [system] peek_char((0x563acd73bee0), _904002)
   Exit: (215) [system] peek_char((0x563acd73bee0), ')')
^  Call: (215) [user] is_delimiter(')')
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] arg(_908722, v('(', ')', end_of_file), ')')
   Exit: (216) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (215) [user] is_delimiter(')')
   Call: (215) [system] _903068=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (214) [user] classify_and_convert_charseq(['A'], _867558)
^  Call: (215) [user] classify_and_convert_charseq_(['A'], _915158)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_916110, _916112), once(user:catch(read_from_chars(['A'], _915158), _916092, fail)), '$restore_trace'(_916110, _916112))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_916110, _916112))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _915158), _916092, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_915158)
   Fail: (216) [system] atomic(_915158)
   Call: (216) [system] atom_chars(_915158, ['A'])
   Exit: (216) [system] atom_chars('A', ['A'])
^  Exit: (215) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (215) [system] integer('A')
   Fail: (215) [system] integer('A')
   Call: (215) [system] _867558='A'
   Exit: (215) [system] 'A'='A'
^  Exit: (214) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (213) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (212) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (212) [user] read_list(')', (0x563acd73bee0), _930108)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _931966)
   Exit: (214) [system] peek_char((0x563acd73bee0), ')')
   Call: (214) [system] ')'=(;)
   Fail: (214) [system] ')'=(;)
   Call: (214) [system] ')'=(/)
   Fail: (214) [system] ')'=(/)
^  Call: (214) [user] is_like_space(')')
   Call: (215) [system] char_type(')', 'white')
   Fail: (215) [system] char_type(')', 'white')
   Call: (215) [system] char_type(')', end_of_line)
   Fail: (215) [system] char_type(')', end_of_line)
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] char_type(')', cntrl)
   Fail: (215) [system] char_type(')', cntrl)
^  Fail: (214) [user] is_like_space(')')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _947976)
   Exit: (213) [system] peek_char((0x563acd73bee0), ')')
   Call: (213) [system] ')'=')'
   Exit: (213) [system] ')'=')'
   Call: (213) [system] get_char((0x563acd73bee0), _951766)
   Exit: (213) [system] get_char((0x563acd73bee0), ')')
   Call: (213) [system] _930108=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_list(')', (0x563acd73bee0), [])
   Call: (212) [system] _830898=['A']
   Exit: (212) [system] ['A']=['A']
^  Exit: (211) [user] read_list(')', (0x563acd73bee0), ['A'])
   Call: (211) [system] _4780=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
   Exit: (211) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
^  Exit: (210) [user] read_list(')', (0x563acd73bee0), [['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
   Call: (210) [system] _4772=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
   Exit: (210) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
^  Exit: (209) [user] read_list(')', (0x563acd73bee0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
^  Exit: (208) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
^  Call: (208) [user] read_list(')', (0x563acd73bee0), _965648)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _967506)
   Exit: (210) [system] peek_char((0x563acd73bee0), ')')
   Call: (210) [system] ')'=(;)
   Fail: (210) [system] ')'=(;)
   Call: (210) [system] ')'=(/)
   Fail: (210) [system] ')'=(/)
^  Call: (210) [user] is_like_space(')')
   Call: (211) [system] char_type(')', 'white')
   Fail: (211) [system] char_type(')', 'white')
   Call: (211) [system] char_type(')', end_of_line)
   Fail: (211) [system] char_type(')', end_of_line)
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] char_type(')', cntrl)
   Fail: (211) [system] char_type(')', cntrl)
^  Fail: (210) [user] is_like_space(')')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _983516)
   Exit: (209) [system] peek_char((0x563acd73bee0), ')')
   Call: (209) [system] ')'=')'
   Exit: (209) [system] ')'=')'
   Call: (209) [system] get_char((0x563acd73bee0), _987306)
   Exit: (209) [system] get_char((0x563acd73bee0), ')')
   Call: (209) [system] _965648=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_list(')', (0x563acd73bee0), [])
   Call: (208) [system] _4768=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (208) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (207) [user] read_list(')', (0x563acd73bee0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
   Call: (207) [system] _4726=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (207) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (206) [user] read_list(')', (0x563acd73bee0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
   Call: (206) [system] _4718=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (206) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (205) [user] read_list(')', (0x563acd73bee0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
^  Exit: (204) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
^  Call: (204) [user] read_list(')', (0x563acd73bee0), _1001188)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1003046)
   Exit: (206) [system] peek_char((0x563acd73bee0), ')')
   Call: (206) [system] ')'=(;)
   Fail: (206) [system] ')'=(;)
   Call: (206) [system] ')'=(/)
   Fail: (206) [system] ')'=(/)
^  Call: (206) [user] is_like_space(')')
   Call: (207) [system] char_type(')', 'white')
   Fail: (207) [system] char_type(')', 'white')
   Call: (207) [system] char_type(')', end_of_line)
   Fail: (207) [system] char_type(')', end_of_line)
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] char_type(')', cntrl)
   Fail: (207) [system] char_type(')', cntrl)
^  Fail: (206) [user] is_like_space(')')
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1019056)
   Exit: (205) [system] peek_char((0x563acd73bee0), ')')
   Call: (205) [system] ')'=')'
   Exit: (205) [system] ')'=')'
   Call: (205) [system] get_char((0x563acd73bee0), _1022846)
   Exit: (205) [system] get_char((0x563acd73bee0), ')')
   Call: (205) [system] _1001188=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_list(')', (0x563acd73bee0), [])
   Call: (204) [system] _4714=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]]
   Exit: (204) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]]
^  Exit: (203) [user] read_list(')', (0x563acd73bee0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]])
   Call: (203) [system] _4672=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]]
   Exit: (203) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]]
^  Exit: (202) [user] read_list(')', (0x563acd73bee0), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]])
   Call: (202) [system] _4664=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]]
   Exit: (202) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]]
^  Exit: (201) [user] read_list(')', (0x563acd73bee0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]])
^  Exit: (200) [user] cont_sexpr(')', (0x563acd73bee0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]])
^  Call: (200) [user] read_list(')', (0x563acd73bee0), _1036728)
^  Call: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _1038586)
   Exit: (202) [system] peek_char((0x563acd73bee0), '\n')
   Call: (202) [system] '\n'=(;)
   Fail: (202) [system] '\n'=(;)
   Call: (202) [system] '\n'=(/)
   Fail: (202) [system] '\n'=(/)
^  Call: (202) [user] is_like_space('\n')
   Call: (203) [system] char_type('\n', 'white')
   Fail: (203) [system] char_type('\n', 'white')
   Call: (203) [system] char_type('\n', end_of_line)
   Exit: (203) [system] char_type('\n', end_of_line)
^  Exit: (202) [user] is_like_space('\n')
   Call: (202) [system] get_char((0x563acd73bee0), _1050036)
   Exit: (202) [system] get_char((0x563acd73bee0), '\n')
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1052740)
   Exit: (203) [system] peek_char((0x563acd73bee0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
   Call: (203) [system] ' '=(/)
   Fail: (203) [system] ' '=(/)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x563acd73bee0), _1062334)
   Exit: (203) [system] get_char((0x563acd73bee0), ' ')
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1065038)
   Exit: (204) [system] peek_char((0x563acd73bee0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
   Call: (204) [system] '('=(/)
   Fail: (204) [system] '('=(/)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
^  Exit: (201) [user] skip_spaces((0x563acd73bee0))
   Call: (201) [system] peek_char((0x563acd73bee0), _1082896)
   Exit: (201) [system] peek_char((0x563acd73bee0), '(')
   Call: (201) [system] '('=')'
   Fail: (201) [system] '('=')'
   Call: (201) [system] '('=end_of_file
   Fail: (201) [system] '('=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x563acd73bee0), _1088466)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1090324)
   Exit: (203) [system] peek_char((0x563acd73bee0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
   Call: (203) [system] '('=(/)
   Fail: (203) [system] '('=(/)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] get_char((0x563acd73bee0), _1106334)
   Exit: (202) [system] get_char((0x563acd73bee0), '(')
   Call: (202) [system] '('='('
   Exit: (202) [system] '('='('
^  Call: (202) [user] read_list(')', (0x563acd73bee0), _1088466)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1111904)
   Exit: (204) [system] peek_char((0x563acd73bee0), :)
   Call: (204) [system] (:)=(;)
   Fail: (204) [system] (:)=(;)
   Call: (204) [system] (:)=(/)
   Fail: (204) [system] (:)=(/)
^  Call: (204) [user] is_like_space(:)
   Call: (205) [system] char_type(:, 'white')
   Fail: (205) [system] char_type(:, 'white')
   Call: (205) [system] char_type(:, end_of_line)
   Fail: (205) [system] char_type(:, end_of_line)
   Call: (205) [system] char_type(:, space)
   Fail: (205) [system] char_type(:, space)
   Call: (205) [system] char_type(:, cntrl)
   Fail: (205) [system] char_type(:, cntrl)
^  Fail: (204) [user] is_like_space(:)
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _1127914)
   Exit: (203) [system] peek_char((0x563acd73bee0), :)
   Call: (203) [system] (:)=')'
   Fail: (203) [system] (:)=')'
   Call: (203) [system] (:)=end_of_file
   Fail: (203) [system] (:)=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x563acd73bee0), _1133484)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1135342)
   Exit: (205) [system] peek_char((0x563acd73bee0), :)
   Call: (205) [system] (:)=(;)
   Fail: (205) [system] (:)=(;)
   Call: (205) [system] (:)=(/)
   Fail: (205) [system] (:)=(/)
^  Call: (205) [user] is_like_space(:)
   Call: (206) [system] char_type(:, 'white')
   Fail: (206) [system] char_type(:, 'white')
   Call: (206) [system] char_type(:, end_of_line)
   Fail: (206) [system] char_type(:, end_of_line)
   Call: (206) [system] char_type(:, space)
   Fail: (206) [system] char_type(:, space)
   Call: (206) [system] char_type(:, cntrl)
   Fail: (206) [system] char_type(:, cntrl)
^  Fail: (205) [user] is_like_space(:)
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] get_char((0x563acd73bee0), _1151352)
   Exit: (204) [system] get_char((0x563acd73bee0), :)
   Call: (204) [system] (:)='('
   Fail: (204) [system] (:)='('
   Call: (204) [system] (:)='['
   Fail: (204) [system] (:)='['
   Call: (204) [system] (:)='{'
   Fail: (204) [system] (:)='{'
   Call: (204) [system] (:)='"'
   Fail: (204) [system] (:)='"'
   Call: (204) [system] (:)=!
   Fail: (204) [system] (:)=!
   Call: (204) [system] (:)='\''
   Fail: (204) [system] (:)='\''
   Call: (204) [system] (:)='`'
   Fail: (204) [system] (:)='`'
   Call: (204) [system] (:)=end_of_file
   Fail: (204) [system] (:)=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x563acd73bee0), :, _1133484)
^  Call: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), _1168994)
   Call: (206) [system] peek_char((0x563acd73bee0), _1169928)
   Exit: (206) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _1168994=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (205) [user] classify_and_convert_charseq([:], _1133484)
^  Call: (206) [user] classify_and_convert_charseq_([:], _1179212)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_1180164, _1180166), once(user:catch(read_from_chars([:], _1179212), _1180146, fail)), '$restore_trace'(_1180164, _1180166))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_1180164, _1180166))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1180146, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(:)
   Exit: (207) [system] atomic(:)
^  Exit: (206) [user] classify_and_convert_charseq_([:], :)
   Call: (206) [system] integer(:)
   Fail: (206) [system] integer(:)
   Call: (206) [system] _1133484=(:)
   Exit: (206) [system] (:)=(:)
^  Exit: (205) [user] classify_and_convert_charseq([:], :)
^  Exit: (204) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (203) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (203) [user] read_list(')', (0x563acd73bee0), _1192292)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1194150)
   Exit: (205) [system] peek_char((0x563acd73bee0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x563acd73bee0), _1203744)
   Exit: (205) [system] get_char((0x563acd73bee0), ' ')
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1206448)
   Exit: (206) [system] peek_char((0x563acd73bee0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1223382)
   Exit: (204) [system] peek_char((0x563acd73bee0), '(')
   Call: (204) [system] '('=')'
   Fail: (204) [system] '('=')'
   Call: (204) [system] '('=end_of_file
   Fail: (204) [system] '('=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x563acd73bee0), _1228952)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1230810)
   Exit: (206) [system] peek_char((0x563acd73bee0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] get_char((0x563acd73bee0), _1246820)
   Exit: (205) [system] get_char((0x563acd73bee0), '(')
   Call: (205) [system] '('='('
   Exit: (205) [system] '('='('
^  Call: (205) [user] read_list(')', (0x563acd73bee0), _1228952)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1252390)
   Exit: (207) [system] peek_char((0x563acd73bee0), 'D')
   Call: (207) [system] 'D'=(;)
   Fail: (207) [system] 'D'=(;)
   Call: (207) [system] 'D'=(/)
   Fail: (207) [system] 'D'=(/)
^  Call: (207) [user] is_like_space('D')
   Call: (208) [system] char_type('D', 'white')
   Fail: (208) [system] char_type('D', 'white')
   Call: (208) [system] char_type('D', end_of_line)
   Fail: (208) [system] char_type('D', end_of_line)
   Call: (208) [system] char_type('D', space)
   Fail: (208) [system] char_type('D', space)
   Call: (208) [system] char_type('D', cntrl)
   Fail: (208) [system] char_type('D', cntrl)
^  Fail: (207) [user] is_like_space('D')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1268400)
   Exit: (206) [system] peek_char((0x563acd73bee0), 'D')
   Call: (206) [system] 'D'=')'
   Fail: (206) [system] 'D'=')'
   Call: (206) [system] 'D'=end_of_file
   Fail: (206) [system] 'D'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x563acd73bee0), _1273970)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1275828)
   Exit: (208) [system] peek_char((0x563acd73bee0), 'D')
   Call: (208) [system] 'D'=(;)
   Fail: (208) [system] 'D'=(;)
   Call: (208) [system] 'D'=(/)
   Fail: (208) [system] 'D'=(/)
^  Call: (208) [user] is_like_space('D')
   Call: (209) [system] char_type('D', 'white')
   Fail: (209) [system] char_type('D', 'white')
   Call: (209) [system] char_type('D', end_of_line)
   Fail: (209) [system] char_type('D', end_of_line)
   Call: (209) [system] char_type('D', space)
   Fail: (209) [system] char_type('D', space)
   Call: (209) [system] char_type('D', cntrl)
   Fail: (209) [system] char_type('D', cntrl)
^  Fail: (208) [user] is_like_space('D')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] get_char((0x563acd73bee0), _1291838)
   Exit: (207) [system] get_char((0x563acd73bee0), 'D')
   Call: (207) [system] 'D'='('
   Fail: (207) [system] 'D'='('
   Call: (207) [system] 'D'='['
   Fail: (207) [system] 'D'='['
   Call: (207) [system] 'D'='{'
   Fail: (207) [system] 'D'='{'
   Call: (207) [system] 'D'='"'
   Fail: (207) [system] 'D'='"'
   Call: (207) [system] 'D'=!
   Fail: (207) [system] 'D'=!
   Call: (207) [system] 'D'='\''
   Fail: (207) [system] 'D'='\''
   Call: (207) [system] 'D'='`'
   Fail: (207) [system] 'D'='`'
   Call: (207) [system] 'D'=end_of_file
   Fail: (207) [system] 'D'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x563acd73bee0), 'D', _1273970)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _1309480)
   Call: (209) [system] peek_char((0x563acd73bee0), _1310414)
   Exit: (209) [system] peek_char((0x563acd73bee0), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_1315134, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_1316066, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x563acd73bee0), i)
   Exit: (209) [system] get_char((0x563acd73bee0), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1323416)
   Call: (210) [system] peek_char((0x563acd73bee0), _1324350)
   Exit: (210) [system] peek_char((0x563acd73bee0), s)
^  Call: (210) [user] is_delimiter(s)
   Call: (211) [system] char_type(s, space)
   Fail: (211) [system] char_type(s, space)
   Call: (211) [system] arg(_1329070, v('(', ')', end_of_file), s)
   Fail: (211) [system] arg(_1330002, v('(', ')', end_of_file), s)
^  Fail: (210) [user] is_delimiter(s)
   Call: (210) [system] ')'==s
   Fail: (210) [system] ')'==s
   Call: (210) [system] get_char((0x563acd73bee0), s)
   Exit: (210) [system] get_char((0x563acd73bee0), s)
   Call: (210) [system] s=(\)
   Fail: (210) [system] s=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1337352)
   Call: (211) [system] peek_char((0x563acd73bee0), _1338286)
   Exit: (211) [system] peek_char((0x563acd73bee0), j)
^  Call: (211) [user] is_delimiter(j)
   Call: (212) [system] char_type(j, space)
   Fail: (212) [system] char_type(j, space)
   Call: (212) [system] arg(_1343006, v('(', ')', end_of_file), j)
   Fail: (212) [system] arg(_1343938, v('(', ')', end_of_file), j)
^  Fail: (211) [user] is_delimiter(j)
   Call: (211) [system] ')'==j
   Fail: (211) [system] ')'==j
   Call: (211) [system] get_char((0x563acd73bee0), j)
   Exit: (211) [system] get_char((0x563acd73bee0), j)
   Call: (211) [system] j=(\)
   Fail: (211) [system] j=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1351288)
   Call: (212) [system] peek_char((0x563acd73bee0), _1352222)
   Exit: (212) [system] peek_char((0x563acd73bee0), u)
^  Call: (212) [user] is_delimiter(u)
   Call: (213) [system] char_type(u, space)
   Fail: (213) [system] char_type(u, space)
   Call: (213) [system] arg(_1356942, v('(', ')', end_of_file), u)
   Fail: (213) [system] arg(_1357874, v('(', ')', end_of_file), u)
^  Fail: (212) [user] is_delimiter(u)
   Call: (212) [system] ')'==u
   Fail: (212) [system] ')'==u
   Call: (212) [system] get_char((0x563acd73bee0), u)
   Exit: (212) [system] get_char((0x563acd73bee0), u)
   Call: (212) [system] u=(\)
   Fail: (212) [system] u=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _1365224)
   Call: (213) [system] peek_char((0x563acd73bee0), _1366158)
   Exit: (213) [system] peek_char((0x563acd73bee0), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_1370878, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_1371810, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x563acd73bee0), n)
   Exit: (213) [system] get_char((0x563acd73bee0), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _1379160)
   Call: (214) [system] peek_char((0x563acd73bee0), _1380094)
   Exit: (214) [system] peek_char((0x563acd73bee0), c)
^  Call: (214) [user] is_delimiter(c)
   Call: (215) [system] char_type(c, space)
   Fail: (215) [system] char_type(c, space)
   Call: (215) [system] arg(_1384814, v('(', ')', end_of_file), c)
   Fail: (215) [system] arg(_1385746, v('(', ')', end_of_file), c)
^  Fail: (214) [user] is_delimiter(c)
   Call: (214) [system] ')'==c
   Fail: (214) [system] ')'==c
   Call: (214) [system] get_char((0x563acd73bee0), c)
   Exit: (214) [system] get_char((0x563acd73bee0), c)
   Call: (214) [system] c=(\)
   Fail: (214) [system] c=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _1393096)
   Call: (215) [system] peek_char((0x563acd73bee0), _1394030)
   Exit: (215) [system] peek_char((0x563acd73bee0), t)
^  Call: (215) [user] is_delimiter(t)
   Call: (216) [system] char_type(t, space)
   Fail: (216) [system] char_type(t, space)
   Call: (216) [system] arg(_1398750, v('(', ')', end_of_file), t)
   Fail: (216) [system] arg(_1399682, v('(', ')', end_of_file), t)
^  Fail: (215) [user] is_delimiter(t)
   Call: (215) [system] ')'==t
   Fail: (215) [system] ')'==t
   Call: (215) [system] get_char((0x563acd73bee0), t)
   Exit: (215) [system] get_char((0x563acd73bee0), t)
   Call: (215) [system] t=(\)
   Fail: (215) [system] t=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _1407032)
   Call: (216) [system] peek_char((0x563acd73bee0), _1407966)
   Exit: (216) [system] peek_char((0x563acd73bee0), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Fail: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_1412686, v('(', ')', end_of_file), i)
   Fail: (217) [system] arg(_1413618, v('(', ')', end_of_file), i)
^  Fail: (216) [user] is_delimiter(i)
   Call: (216) [system] ')'==i
   Fail: (216) [system] ')'==i
   Call: (216) [system] get_char((0x563acd73bee0), i)
   Exit: (216) [system] get_char((0x563acd73bee0), i)
   Call: (216) [system] i=(\)
   Fail: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _1420968)
   Call: (217) [system] peek_char((0x563acd73bee0), _1421902)
   Exit: (217) [system] peek_char((0x563acd73bee0), o)
^  Call: (217) [user] is_delimiter(o)
   Call: (218) [system] char_type(o, space)
   Fail: (218) [system] char_type(o, space)
   Call: (218) [system] arg(_1426622, v('(', ')', end_of_file), o)
   Fail: (218) [system] arg(_1427554, v('(', ')', end_of_file), o)
^  Fail: (217) [user] is_delimiter(o)
   Call: (217) [system] ')'==o
   Fail: (217) [system] ')'==o
   Call: (217) [system] get_char((0x563acd73bee0), o)
   Exit: (217) [system] get_char((0x563acd73bee0), o)
   Call: (217) [system] o=(\)
   Fail: (217) [system] o=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _1434904)
   Call: (218) [system] peek_char((0x563acd73bee0), _1435838)
   Exit: (218) [system] peek_char((0x563acd73bee0), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_1440558, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_1441490, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x563acd73bee0), n)
   Exit: (218) [system] get_char((0x563acd73bee0), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _1448840)
   Call: (219) [system] peek_char((0x563acd73bee0), _1449774)
   Exit: (219) [system] peek_char((0x563acd73bee0), 'I')
^  Call: (219) [user] is_delimiter('I')
   Call: (220) [system] char_type('I', space)
   Fail: (220) [system] char_type('I', space)
   Call: (220) [system] arg(_1454494, v('(', ')', end_of_file), 'I')
   Fail: (220) [system] arg(_1455426, v('(', ')', end_of_file), 'I')
^  Fail: (219) [user] is_delimiter('I')
   Call: (219) [system] ')'=='I'
   Fail: (219) [system] ')'=='I'
   Call: (219) [system] get_char((0x563acd73bee0), 'I')
   Exit: (219) [system] get_char((0x563acd73bee0), 'I')
   Call: (219) [system] 'I'=(\)
   Fail: (219) [system] 'I'=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _1462776)
   Call: (220) [system] peek_char((0x563acd73bee0), _1463710)
   Exit: (220) [system] peek_char((0x563acd73bee0), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_1468430, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_1469362, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x563acd73bee0), n)
   Exit: (220) [system] get_char((0x563acd73bee0), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _1476712)
   Call: (221) [system] peek_char((0x563acd73bee0), _1477646)
   Exit: (221) [system] peek_char((0x563acd73bee0), t)
^  Call: (221) [user] is_delimiter(t)
   Call: (222) [system] char_type(t, space)
   Fail: (222) [system] char_type(t, space)
   Call: (222) [system] arg(_1482366, v('(', ')', end_of_file), t)
   Fail: (222) [system] arg(_1483298, v('(', ')', end_of_file), t)
^  Fail: (221) [user] is_delimiter(t)
   Call: (221) [system] ')'==t
   Fail: (221) [system] ')'==t
   Call: (221) [system] get_char((0x563acd73bee0), t)
   Exit: (221) [system] get_char((0x563acd73bee0), t)
   Call: (221) [system] t=(\)
   Fail: (221) [system] t=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _1490648)
   Call: (222) [system] peek_char((0x563acd73bee0), _1491582)
   Exit: (222) [system] peek_char((0x563acd73bee0), r)
^  Call: (222) [user] is_delimiter(r)
   Call: (223) [system] char_type(r, space)
   Fail: (223) [system] char_type(r, space)
   Call: (223) [system] arg(_1496302, v('(', ')', end_of_file), r)
   Fail: (223) [system] arg(_1497234, v('(', ')', end_of_file), r)
^  Fail: (222) [user] is_delimiter(r)
   Call: (222) [system] ')'==r
   Fail: (222) [system] ')'==r
   Call: (222) [system] get_char((0x563acd73bee0), r)
   Exit: (222) [system] get_char((0x563acd73bee0), r)
   Call: (222) [system] r=(\)
   Fail: (222) [system] r=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _1504584)
   Call: (223) [system] peek_char((0x563acd73bee0), _1505518)
   Exit: (223) [system] peek_char((0x563acd73bee0), o)
^  Call: (223) [user] is_delimiter(o)
   Call: (224) [system] char_type(o, space)
   Fail: (224) [system] char_type(o, space)
   Call: (224) [system] arg(_1510238, v('(', ')', end_of_file), o)
   Fail: (224) [system] arg(_1511170, v('(', ')', end_of_file), o)
^  Fail: (223) [user] is_delimiter(o)
   Call: (223) [system] ')'==o
   Fail: (223) [system] ')'==o
   Call: (223) [system] get_char((0x563acd73bee0), o)
   Exit: (223) [system] get_char((0x563acd73bee0), o)
   Call: (223) [system] o=(\)
   Fail: (223) [system] o=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _1518520)
   Call: (224) [system] peek_char((0x563acd73bee0), _1519454)
   Exit: (224) [system] peek_char((0x563acd73bee0), d)
^  Call: (224) [user] is_delimiter(d)
   Call: (225) [system] char_type(d, space)
   Fail: (225) [system] char_type(d, space)
   Call: (225) [system] arg(_1524174, v('(', ')', end_of_file), d)
   Fail: (225) [system] arg(_1525106, v('(', ')', end_of_file), d)
^  Fail: (224) [user] is_delimiter(d)
   Call: (224) [system] ')'==d
   Fail: (224) [system] ')'==d
   Call: (224) [system] get_char((0x563acd73bee0), d)
   Exit: (224) [system] get_char((0x563acd73bee0), d)
   Call: (224) [system] d=(\)
   Fail: (224) [system] d=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _1532456)
   Call: (225) [system] peek_char((0x563acd73bee0), _1533390)
   Exit: (225) [system] peek_char((0x563acd73bee0), u)
^  Call: (225) [user] is_delimiter(u)
   Call: (226) [system] char_type(u, space)
   Fail: (226) [system] char_type(u, space)
   Call: (226) [system] arg(_1538110, v('(', ')', end_of_file), u)
   Fail: (226) [system] arg(_1539042, v('(', ')', end_of_file), u)
^  Fail: (225) [user] is_delimiter(u)
   Call: (225) [system] ')'==u
   Fail: (225) [system] ')'==u
   Call: (225) [system] get_char((0x563acd73bee0), u)
   Exit: (225) [system] get_char((0x563acd73bee0), u)
   Call: (225) [system] u=(\)
   Fail: (225) [system] u=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _1546392)
   Call: (226) [system] peek_char((0x563acd73bee0), _1547326)
   Exit: (226) [system] peek_char((0x563acd73bee0), c)
^  Call: (226) [user] is_delimiter(c)
   Call: (227) [system] char_type(c, space)
   Fail: (227) [system] char_type(c, space)
   Call: (227) [system] arg(_1552046, v('(', ')', end_of_file), c)
   Fail: (227) [system] arg(_1552978, v('(', ')', end_of_file), c)
^  Fail: (226) [user] is_delimiter(c)
   Call: (226) [system] ')'==c
   Fail: (226) [system] ')'==c
   Call: (226) [system] get_char((0x563acd73bee0), c)
   Exit: (226) [system] get_char((0x563acd73bee0), c)
   Call: (226) [system] c=(\)
   Fail: (226) [system] c=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _1560328)
   Call: (227) [system] peek_char((0x563acd73bee0), _1561262)
   Exit: (227) [system] peek_char((0x563acd73bee0), t)
^  Call: (227) [user] is_delimiter(t)
   Call: (228) [system] char_type(t, space)
   Fail: (228) [system] char_type(t, space)
   Call: (228) [system] arg(_1565982, v('(', ')', end_of_file), t)
   Fail: (228) [system] arg(_1566914, v('(', ')', end_of_file), t)
^  Fail: (227) [user] is_delimiter(t)
   Call: (227) [system] ')'==t
   Fail: (227) [system] ')'==t
   Call: (227) [system] get_char((0x563acd73bee0), t)
   Exit: (227) [system] get_char((0x563acd73bee0), t)
   Call: (227) [system] t=(\)
   Fail: (227) [system] t=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _1574264)
   Call: (228) [system] peek_char((0x563acd73bee0), _1575198)
   Exit: (228) [system] peek_char((0x563acd73bee0), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_1579918, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_1580850, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x563acd73bee0), i)
   Exit: (228) [system] get_char((0x563acd73bee0), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _1588200)
   Call: (229) [system] peek_char((0x563acd73bee0), _1589134)
   Exit: (229) [system] peek_char((0x563acd73bee0), o)
^  Call: (229) [user] is_delimiter(o)
   Call: (230) [system] char_type(o, space)
   Fail: (230) [system] char_type(o, space)
   Call: (230) [system] arg(_1593854, v('(', ')', end_of_file), o)
   Fail: (230) [system] arg(_1594786, v('(', ')', end_of_file), o)
^  Fail: (229) [user] is_delimiter(o)
   Call: (229) [system] ')'==o
   Fail: (229) [system] ')'==o
   Call: (229) [system] get_char((0x563acd73bee0), o)
   Exit: (229) [system] get_char((0x563acd73bee0), o)
   Call: (229) [system] o=(\)
   Fail: (229) [system] o=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _1602136)
   Call: (230) [system] peek_char((0x563acd73bee0), _1603070)
   Exit: (230) [system] peek_char((0x563acd73bee0), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_1607790, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_1608722, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x563acd73bee0), n)
   Exit: (230) [system] get_char((0x563acd73bee0), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _1616072)
   Call: (231) [system] peek_char((0x563acd73bee0), _1617006)
   Exit: (231) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _1616072=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (230) [system] _1602136=[n]
   Exit: (230) [system] [n]=[n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (229) [system] _1588200=[o, n]
   Exit: (229) [system] [o, n]=[o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (228) [system] _1574264=[i, o, n]
   Exit: (228) [system] [i, o, n]=[i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (227) [system] _1560328=[t, i, o, n]
   Exit: (227) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (226) [system] _1546392=[c, t, i, o, n]
   Exit: (226) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n])
   Call: (225) [system] _1532456=[u, c, t, i, o, n]
   Exit: (225) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, i, o, n])
   Call: (224) [system] _1518520=[d, u, c, t, i, o, n]
   Exit: (224) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, u, c, t, i, o, n])
   Call: (223) [system] _1504584=[o, d, u, c, t, i, o, n]
   Exit: (223) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, d, u, c, t, i, o, n])
   Call: (222) [system] _1490648=[r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1476712=[t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1462776=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1448840=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1434904=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1420968=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1407032=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1393096=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _1379160=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1365224=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _1351288=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _1337352=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _1323416=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _1309480=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (208) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1273970)
^  Call: (209) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1687758)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_1688710, _1688712), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1687758), _1688692, fail)), '$restore_trace'(_1688710, _1688712))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_1688710, _1688712))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1687758), _1688692, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_1687758)
   Fail: (210) [system] atomic(_1687758)
   Call: (210) [system] atom_chars(_1687758, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (210) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (209) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (209) [system] integer('DisjunctionIntroduction')
   Fail: (209) [system] integer('DisjunctionIntroduction')
   Call: (209) [system] _1273970='DisjunctionIntroduction'
   Exit: (209) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (208) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (207) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'DisjunctionIntroduction')
^  Exit: (206) [user] cont_sexpr(')', (0x563acd73bee0), 'DisjunctionIntroduction')
^  Call: (206) [user] read_list(')', (0x563acd73bee0), _1702708)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1704566)
   Exit: (208) [system] peek_char((0x563acd73bee0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x563acd73bee0), _1714160)
   Exit: (208) [system] get_char((0x563acd73bee0), ' ')
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1716864)
   Exit: (209) [system] peek_char((0x563acd73bee0), a)
   Call: (209) [system] a=(;)
   Fail: (209) [system] a=(;)
   Call: (209) [system] a=(/)
   Fail: (209) [system] a=(/)
^  Call: (209) [user] is_like_space(a)
   Call: (210) [system] char_type(a, 'white')
   Fail: (210) [system] char_type(a, 'white')
   Call: (210) [system] char_type(a, end_of_line)
   Fail: (210) [system] char_type(a, end_of_line)
   Call: (210) [system] char_type(a, space)
   Fail: (210) [system] char_type(a, space)
   Call: (210) [system] char_type(a, cntrl)
   Fail: (210) [system] char_type(a, cntrl)
^  Fail: (209) [user] is_like_space(a)
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1733798)
   Exit: (207) [system] peek_char((0x563acd73bee0), a)
   Call: (207) [system] a=')'
   Fail: (207) [system] a=')'
   Call: (207) [system] a=end_of_file
   Fail: (207) [system] a=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x563acd73bee0), _1739368)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1741226)
   Exit: (209) [system] peek_char((0x563acd73bee0), a)
   Call: (209) [system] a=(;)
   Fail: (209) [system] a=(;)
   Call: (209) [system] a=(/)
   Fail: (209) [system] a=(/)
^  Call: (209) [user] is_like_space(a)
   Call: (210) [system] char_type(a, 'white')
   Fail: (210) [system] char_type(a, 'white')
   Call: (210) [system] char_type(a, end_of_line)
   Fail: (210) [system] char_type(a, end_of_line)
   Call: (210) [system] char_type(a, space)
   Fail: (210) [system] char_type(a, space)
   Call: (210) [system] char_type(a, cntrl)
   Fail: (210) [system] char_type(a, cntrl)
^  Fail: (209) [user] is_like_space(a)
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] get_char((0x563acd73bee0), _1757236)
   Exit: (208) [system] get_char((0x563acd73bee0), a)
   Call: (208) [system] a='('
   Fail: (208) [system] a='('
   Call: (208) [system] a='['
   Fail: (208) [system] a='['
   Call: (208) [system] a='{'
   Fail: (208) [system] a='{'
   Call: (208) [system] a='"'
   Fail: (208) [system] a='"'
   Call: (208) [system] a=!
   Fail: (208) [system] a=!
   Call: (208) [system] a='\''
   Fail: (208) [system] a='\''
   Call: (208) [system] a='`'
   Fail: (208) [system] a='`'
   Call: (208) [system] a=end_of_file
   Fail: (208) [system] a=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x563acd73bee0), a, _1739368)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1774878)
   Call: (210) [system] peek_char((0x563acd73bee0), _1775812)
   Exit: (210) [system] peek_char((0x563acd73bee0), b)
^  Call: (210) [user] is_delimiter(b)
   Call: (211) [system] char_type(b, space)
   Fail: (211) [system] char_type(b, space)
   Call: (211) [system] arg(_1780532, v('(', ')', end_of_file), b)
   Fail: (211) [system] arg(_1781464, v('(', ')', end_of_file), b)
^  Fail: (210) [user] is_delimiter(b)
   Call: (210) [system] ')'==b
   Fail: (210) [system] ')'==b
   Call: (210) [system] get_char((0x563acd73bee0), b)
   Exit: (210) [system] get_char((0x563acd73bee0), b)
   Call: (210) [system] b=(\)
   Fail: (210) [system] b=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1788814)
   Call: (211) [system] peek_char((0x563acd73bee0), _1789748)
   Exit: (211) [system] peek_char((0x563acd73bee0), c)
^  Call: (211) [user] is_delimiter(c)
   Call: (212) [system] char_type(c, space)
   Fail: (212) [system] char_type(c, space)
   Call: (212) [system] arg(_1794468, v('(', ')', end_of_file), c)
   Fail: (212) [system] arg(_1795400, v('(', ')', end_of_file), c)
^  Fail: (211) [user] is_delimiter(c)
   Call: (211) [system] ')'==c
   Fail: (211) [system] ')'==c
   Call: (211) [system] get_char((0x563acd73bee0), c)
   Exit: (211) [system] get_char((0x563acd73bee0), c)
   Call: (211) [system] c=(\)
   Fail: (211) [system] c=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1802750)
   Call: (212) [system] peek_char((0x563acd73bee0), _1803684)
   Exit: (212) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _1802750=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (211) [system] _1788814=[c]
   Exit: (211) [system] [c]=[c]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [c])
   Call: (210) [system] _1774878=[b, c]
   Exit: (210) [system] [b, c]=[b, c]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [b, c])
^  Call: (209) [user] classify_and_convert_charseq([a, b, c], _1739368)
^  Call: (210) [user] classify_and_convert_charseq_([a, b, c], _1818556)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1819508, _1819510), once(user:catch(read_from_chars([a, b, c], _1818556), _1819490, fail)), '$restore_trace'(_1819508, _1819510))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1819508, _1819510))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1819490, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(abc)
   Exit: (211) [system] atomic(abc)
^  Exit: (210) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (210) [system] integer(abc)
   Fail: (210) [system] integer(abc)
   Call: (210) [system] _1739368=abc
   Exit: (210) [system] abc=abc
^  Exit: (209) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (208) [user] read_symbolic(')', (0x563acd73bee0), a, abc)
^  Exit: (207) [user] cont_sexpr(')', (0x563acd73bee0), abc)
^  Call: (207) [user] read_list(')', (0x563acd73bee0), _1831636)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1833494)
   Exit: (209) [system] peek_char((0x563acd73bee0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x563acd73bee0), _1843088)
   Exit: (209) [system] get_char((0x563acd73bee0), ' ')
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1845792)
   Exit: (210) [system] peek_char((0x563acd73bee0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1862726)
   Exit: (208) [system] peek_char((0x563acd73bee0), '(')
   Call: (208) [system] '('=')'
   Fail: (208) [system] '('=')'
   Call: (208) [system] '('=end_of_file
   Fail: (208) [system] '('=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x563acd73bee0), _1868296)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1870154)
   Exit: (210) [system] peek_char((0x563acd73bee0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] get_char((0x563acd73bee0), _1886164)
   Exit: (209) [system] get_char((0x563acd73bee0), '(')
   Call: (209) [system] '('='('
   Exit: (209) [system] '('='('
^  Call: (209) [user] read_list(')', (0x563acd73bee0), _1868296)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1891734)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'D')
   Call: (211) [system] 'D'=(;)
   Fail: (211) [system] 'D'=(;)
   Call: (211) [system] 'D'=(/)
   Fail: (211) [system] 'D'=(/)
^  Call: (211) [user] is_like_space('D')
   Call: (212) [system] char_type('D', 'white')
   Fail: (212) [system] char_type('D', 'white')
   Call: (212) [system] char_type('D', end_of_line)
   Fail: (212) [system] char_type('D', end_of_line)
   Call: (212) [system] char_type('D', space)
   Fail: (212) [system] char_type('D', space)
   Call: (212) [system] char_type('D', cntrl)
   Fail: (212) [system] char_type('D', cntrl)
^  Fail: (211) [user] is_like_space('D')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1907744)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'D')
   Call: (210) [system] 'D'=')'
   Fail: (210) [system] 'D'=')'
   Call: (210) [system] 'D'=end_of_file
   Fail: (210) [system] 'D'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x563acd73bee0), _1913314)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1915172)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'D')
   Call: (212) [system] 'D'=(;)
   Fail: (212) [system] 'D'=(;)
   Call: (212) [system] 'D'=(/)
   Fail: (212) [system] 'D'=(/)
^  Call: (212) [user] is_like_space('D')
   Call: (213) [system] char_type('D', 'white')
   Fail: (213) [system] char_type('D', 'white')
   Call: (213) [system] char_type('D', end_of_line)
   Fail: (213) [system] char_type('D', end_of_line)
   Call: (213) [system] char_type('D', space)
   Fail: (213) [system] char_type('D', space)
   Call: (213) [system] char_type('D', cntrl)
   Fail: (213) [system] char_type('D', cntrl)
^  Fail: (212) [user] is_like_space('D')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] get_char((0x563acd73bee0), _1931182)
   Exit: (211) [system] get_char((0x563acd73bee0), 'D')
   Call: (211) [system] 'D'='('
   Fail: (211) [system] 'D'='('
   Call: (211) [system] 'D'='['
   Fail: (211) [system] 'D'='['
   Call: (211) [system] 'D'='{'
   Fail: (211) [system] 'D'='{'
   Call: (211) [system] 'D'='"'
   Fail: (211) [system] 'D'='"'
   Call: (211) [system] 'D'=!
   Fail: (211) [system] 'D'=!
   Call: (211) [system] 'D'='\''
   Fail: (211) [system] 'D'='\''
   Call: (211) [system] 'D'='`'
   Fail: (211) [system] 'D'='`'
   Call: (211) [system] 'D'=end_of_file
   Fail: (211) [system] 'D'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x563acd73bee0), 'D', _1913314)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _1948824)
   Call: (213) [system] peek_char((0x563acd73bee0), _1949758)
   Exit: (213) [system] peek_char((0x563acd73bee0), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Fail: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_1954478, v('(', ')', end_of_file), i)
   Fail: (214) [system] arg(_1955410, v('(', ')', end_of_file), i)
^  Fail: (213) [user] is_delimiter(i)
   Call: (213) [system] ')'==i
   Fail: (213) [system] ')'==i
   Call: (213) [system] get_char((0x563acd73bee0), i)
   Exit: (213) [system] get_char((0x563acd73bee0), i)
   Call: (213) [system] i=(\)
   Fail: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _1962760)
   Call: (214) [system] peek_char((0x563acd73bee0), _1963694)
   Exit: (214) [system] peek_char((0x563acd73bee0), s)
^  Call: (214) [user] is_delimiter(s)
   Call: (215) [system] char_type(s, space)
   Fail: (215) [system] char_type(s, space)
   Call: (215) [system] arg(_1968414, v('(', ')', end_of_file), s)
   Fail: (215) [system] arg(_1969346, v('(', ')', end_of_file), s)
^  Fail: (214) [user] is_delimiter(s)
   Call: (214) [system] ')'==s
   Fail: (214) [system] ')'==s
   Call: (214) [system] get_char((0x563acd73bee0), s)
   Exit: (214) [system] get_char((0x563acd73bee0), s)
   Call: (214) [system] s=(\)
   Fail: (214) [system] s=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _1976696)
   Call: (215) [system] peek_char((0x563acd73bee0), _1977630)
   Exit: (215) [system] peek_char((0x563acd73bee0), j)
^  Call: (215) [user] is_delimiter(j)
   Call: (216) [system] char_type(j, space)
   Fail: (216) [system] char_type(j, space)
   Call: (216) [system] arg(_1982350, v('(', ')', end_of_file), j)
   Fail: (216) [system] arg(_1983282, v('(', ')', end_of_file), j)
^  Fail: (215) [user] is_delimiter(j)
   Call: (215) [system] ')'==j
   Fail: (215) [system] ')'==j
   Call: (215) [system] get_char((0x563acd73bee0), j)
   Exit: (215) [system] get_char((0x563acd73bee0), j)
   Call: (215) [system] j=(\)
   Fail: (215) [system] j=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _1990632)
   Call: (216) [system] peek_char((0x563acd73bee0), _1991566)
   Exit: (216) [system] peek_char((0x563acd73bee0), u)
^  Call: (216) [user] is_delimiter(u)
   Call: (217) [system] char_type(u, space)
   Fail: (217) [system] char_type(u, space)
   Call: (217) [system] arg(_1996286, v('(', ')', end_of_file), u)
   Fail: (217) [system] arg(_1997218, v('(', ')', end_of_file), u)
^  Fail: (216) [user] is_delimiter(u)
   Call: (216) [system] ')'==u
   Fail: (216) [system] ')'==u
   Call: (216) [system] get_char((0x563acd73bee0), u)
   Exit: (216) [system] get_char((0x563acd73bee0), u)
   Call: (216) [system] u=(\)
   Fail: (216) [system] u=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _2004568)
   Call: (217) [system] peek_char((0x563acd73bee0), _2005502)
   Exit: (217) [system] peek_char((0x563acd73bee0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_2010222, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_2011154, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x563acd73bee0), n)
   Exit: (217) [system] get_char((0x563acd73bee0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _2018504)
   Call: (218) [system] peek_char((0x563acd73bee0), _2019438)
   Exit: (218) [system] peek_char((0x563acd73bee0), c)
^  Call: (218) [user] is_delimiter(c)
   Call: (219) [system] char_type(c, space)
   Fail: (219) [system] char_type(c, space)
   Call: (219) [system] arg(_2024158, v('(', ')', end_of_file), c)
   Fail: (219) [system] arg(_2025090, v('(', ')', end_of_file), c)
^  Fail: (218) [user] is_delimiter(c)
   Call: (218) [system] ')'==c
   Fail: (218) [system] ')'==c
   Call: (218) [system] get_char((0x563acd73bee0), c)
   Exit: (218) [system] get_char((0x563acd73bee0), c)
   Call: (218) [system] c=(\)
   Fail: (218) [system] c=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _2032440)
   Call: (219) [system] peek_char((0x563acd73bee0), _2033374)
   Exit: (219) [system] peek_char((0x563acd73bee0), t)
^  Call: (219) [user] is_delimiter(t)
   Call: (220) [system] char_type(t, space)
   Fail: (220) [system] char_type(t, space)
   Call: (220) [system] arg(_2038094, v('(', ')', end_of_file), t)
   Fail: (220) [system] arg(_2039026, v('(', ')', end_of_file), t)
^  Fail: (219) [user] is_delimiter(t)
   Call: (219) [system] ')'==t
   Fail: (219) [system] ')'==t
   Call: (219) [system] get_char((0x563acd73bee0), t)
   Exit: (219) [system] get_char((0x563acd73bee0), t)
   Call: (219) [system] t=(\)
   Fail: (219) [system] t=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _2046376)
   Call: (220) [system] peek_char((0x563acd73bee0), _2047310)
   Exit: (220) [system] peek_char((0x563acd73bee0), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_2052030, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_2052962, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x563acd73bee0), i)
   Exit: (220) [system] get_char((0x563acd73bee0), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _2060312)
   Call: (221) [system] peek_char((0x563acd73bee0), _2061246)
   Exit: (221) [system] peek_char((0x563acd73bee0), o)
^  Call: (221) [user] is_delimiter(o)
   Call: (222) [system] char_type(o, space)
   Fail: (222) [system] char_type(o, space)
   Call: (222) [system] arg(_2065966, v('(', ')', end_of_file), o)
   Fail: (222) [system] arg(_2066898, v('(', ')', end_of_file), o)
^  Fail: (221) [user] is_delimiter(o)
   Call: (221) [system] ')'==o
   Fail: (221) [system] ')'==o
   Call: (221) [system] get_char((0x563acd73bee0), o)
   Exit: (221) [system] get_char((0x563acd73bee0), o)
   Call: (221) [system] o=(\)
   Fail: (221) [system] o=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _2074248)
   Call: (222) [system] peek_char((0x563acd73bee0), _2075182)
   Exit: (222) [system] peek_char((0x563acd73bee0), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_2079902, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_2080834, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x563acd73bee0), n)
   Exit: (222) [system] get_char((0x563acd73bee0), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _2088184)
   Call: (223) [system] peek_char((0x563acd73bee0), _2089118)
   Exit: (223) [system] peek_char((0x563acd73bee0), 'I')
^  Call: (223) [user] is_delimiter('I')
   Call: (224) [system] char_type('I', space)
   Fail: (224) [system] char_type('I', space)
   Call: (224) [system] arg(_2093838, v('(', ')', end_of_file), 'I')
   Fail: (224) [system] arg(_2094770, v('(', ')', end_of_file), 'I')
^  Fail: (223) [user] is_delimiter('I')
   Call: (223) [system] ')'=='I'
   Fail: (223) [system] ')'=='I'
   Call: (223) [system] get_char((0x563acd73bee0), 'I')
   Exit: (223) [system] get_char((0x563acd73bee0), 'I')
   Call: (223) [system] 'I'=(\)
   Fail: (223) [system] 'I'=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _10228)
   Call: (224) [system] peek_char((0x563acd73bee0), _11162)
   Exit: (224) [system] peek_char((0x563acd73bee0), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_15882, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_16814, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x563acd73bee0), n)
   Exit: (224) [system] get_char((0x563acd73bee0), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _24164)
   Call: (225) [system] peek_char((0x563acd73bee0), _25098)
   Exit: (225) [system] peek_char((0x563acd73bee0), t)
^  Call: (225) [user] is_delimiter(t)
   Call: (226) [system] char_type(t, space)
   Fail: (226) [system] char_type(t, space)
   Call: (226) [system] arg(_29818, v('(', ')', end_of_file), t)
   Fail: (226) [system] arg(_30750, v('(', ')', end_of_file), t)
^  Fail: (225) [user] is_delimiter(t)
   Call: (225) [system] ')'==t
   Fail: (225) [system] ')'==t
   Call: (225) [system] get_char((0x563acd73bee0), t)
   Exit: (225) [system] get_char((0x563acd73bee0), t)
   Call: (225) [system] t=(\)
   Fail: (225) [system] t=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _38100)
   Call: (226) [system] peek_char((0x563acd73bee0), _39034)
   Exit: (226) [system] peek_char((0x563acd73bee0), r)
^  Call: (226) [user] is_delimiter(r)
   Call: (227) [system] char_type(r, space)
   Fail: (227) [system] char_type(r, space)
   Call: (227) [system] arg(_43754, v('(', ')', end_of_file), r)
   Fail: (227) [system] arg(_44686, v('(', ')', end_of_file), r)
^  Fail: (226) [user] is_delimiter(r)
   Call: (226) [system] ')'==r
   Fail: (226) [system] ')'==r
   Call: (226) [system] get_char((0x563acd73bee0), r)
   Exit: (226) [system] get_char((0x563acd73bee0), r)
   Call: (226) [system] r=(\)
   Fail: (226) [system] r=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _52036)
   Call: (227) [system] peek_char((0x563acd73bee0), _52970)
   Exit: (227) [system] peek_char((0x563acd73bee0), o)
^  Call: (227) [user] is_delimiter(o)
   Call: (228) [system] char_type(o, space)
   Fail: (228) [system] char_type(o, space)
   Call: (228) [system] arg(_57690, v('(', ')', end_of_file), o)
   Fail: (228) [system] arg(_58622, v('(', ')', end_of_file), o)
^  Fail: (227) [user] is_delimiter(o)
   Call: (227) [system] ')'==o
   Fail: (227) [system] ')'==o
   Call: (227) [system] get_char((0x563acd73bee0), o)
   Exit: (227) [system] get_char((0x563acd73bee0), o)
   Call: (227) [system] o=(\)
   Fail: (227) [system] o=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _65972)
   Call: (228) [system] peek_char((0x563acd73bee0), _66906)
   Exit: (228) [system] peek_char((0x563acd73bee0), d)
^  Call: (228) [user] is_delimiter(d)
   Call: (229) [system] char_type(d, space)
   Fail: (229) [system] char_type(d, space)
   Call: (229) [system] arg(_71626, v('(', ')', end_of_file), d)
   Fail: (229) [system] arg(_72558, v('(', ')', end_of_file), d)
^  Fail: (228) [user] is_delimiter(d)
   Call: (228) [system] ')'==d
   Fail: (228) [system] ')'==d
   Call: (228) [system] get_char((0x563acd73bee0), d)
   Exit: (228) [system] get_char((0x563acd73bee0), d)
   Call: (228) [system] d=(\)
   Fail: (228) [system] d=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _79908)
   Call: (229) [system] peek_char((0x563acd73bee0), _80842)
   Exit: (229) [system] peek_char((0x563acd73bee0), u)
^  Call: (229) [user] is_delimiter(u)
   Call: (230) [system] char_type(u, space)
   Fail: (230) [system] char_type(u, space)
   Call: (230) [system] arg(_85562, v('(', ')', end_of_file), u)
   Fail: (230) [system] arg(_86494, v('(', ')', end_of_file), u)
^  Fail: (229) [user] is_delimiter(u)
   Call: (229) [system] ')'==u
   Fail: (229) [system] ')'==u
   Call: (229) [system] get_char((0x563acd73bee0), u)
   Exit: (229) [system] get_char((0x563acd73bee0), u)
   Call: (229) [system] u=(\)
   Fail: (229) [system] u=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _93844)
   Call: (230) [system] peek_char((0x563acd73bee0), _94778)
   Exit: (230) [system] peek_char((0x563acd73bee0), c)
^  Call: (230) [user] is_delimiter(c)
   Call: (231) [system] char_type(c, space)
   Fail: (231) [system] char_type(c, space)
   Call: (231) [system] arg(_99498, v('(', ')', end_of_file), c)
   Fail: (231) [system] arg(_100430, v('(', ')', end_of_file), c)
^  Fail: (230) [user] is_delimiter(c)
   Call: (230) [system] ')'==c
   Fail: (230) [system] ')'==c
   Call: (230) [system] get_char((0x563acd73bee0), c)
   Exit: (230) [system] get_char((0x563acd73bee0), c)
   Call: (230) [system] c=(\)
   Fail: (230) [system] c=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _107780)
   Call: (231) [system] peek_char((0x563acd73bee0), _108714)
   Exit: (231) [system] peek_char((0x563acd73bee0), t)
^  Call: (231) [user] is_delimiter(t)
   Call: (232) [system] char_type(t, space)
   Fail: (232) [system] char_type(t, space)
   Call: (232) [system] arg(_113434, v('(', ')', end_of_file), t)
   Fail: (232) [system] arg(_114366, v('(', ')', end_of_file), t)
^  Fail: (231) [user] is_delimiter(t)
   Call: (231) [system] ')'==t
   Fail: (231) [system] ')'==t
   Call: (231) [system] get_char((0x563acd73bee0), t)
   Exit: (231) [system] get_char((0x563acd73bee0), t)
   Call: (231) [system] t=(\)
   Fail: (231) [system] t=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _121716)
   Call: (232) [system] peek_char((0x563acd73bee0), _122650)
   Exit: (232) [system] peek_char((0x563acd73bee0), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Fail: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_127370, v('(', ')', end_of_file), i)
   Fail: (233) [system] arg(_128302, v('(', ')', end_of_file), i)
^  Fail: (232) [user] is_delimiter(i)
   Call: (232) [system] ')'==i
   Fail: (232) [system] ')'==i
   Call: (232) [system] get_char((0x563acd73bee0), i)
   Exit: (232) [system] get_char((0x563acd73bee0), i)
   Call: (232) [system] i=(\)
   Fail: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _135652)
   Call: (233) [system] peek_char((0x563acd73bee0), _136586)
   Exit: (233) [system] peek_char((0x563acd73bee0), o)
^  Call: (233) [user] is_delimiter(o)
   Call: (234) [system] char_type(o, space)
   Fail: (234) [system] char_type(o, space)
   Call: (234) [system] arg(_141306, v('(', ')', end_of_file), o)
   Fail: (234) [system] arg(_142238, v('(', ')', end_of_file), o)
^  Fail: (233) [user] is_delimiter(o)
   Call: (233) [system] ')'==o
   Fail: (233) [system] ')'==o
   Call: (233) [system] get_char((0x563acd73bee0), o)
   Exit: (233) [system] get_char((0x563acd73bee0), o)
   Call: (233) [system] o=(\)
   Fail: (233) [system] o=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), _149588)
   Call: (234) [system] peek_char((0x563acd73bee0), _150522)
   Exit: (234) [system] peek_char((0x563acd73bee0), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Fail: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_155242, v('(', ')', end_of_file), n)
   Fail: (235) [system] arg(_156174, v('(', ')', end_of_file), n)
^  Fail: (234) [user] is_delimiter(n)
   Call: (234) [system] ')'==n
   Fail: (234) [system] ')'==n
   Call: (234) [system] get_char((0x563acd73bee0), n)
   Exit: (234) [system] get_char((0x563acd73bee0), n)
   Call: (234) [system] n=(\)
   Fail: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), _163524)
   Call: (235) [system] peek_char((0x563acd73bee0), _164458)
   Exit: (235) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (235) [user] is_delimiter(' ')
   Call: (236) [system] char_type(' ', space)
   Exit: (236) [system] char_type(' ', space)
^  Exit: (235) [user] is_delimiter(' ')
   Call: (235) [system] _163524=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (234) [system] _149588=[n]
   Exit: (234) [system] [n]=[n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (233) [system] _135652=[o, n]
   Exit: (233) [system] [o, n]=[o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (232) [system] _121716=[i, o, n]
   Exit: (232) [system] [i, o, n]=[i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (231) [system] _107780=[t, i, o, n]
   Exit: (231) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (230) [system] _93844=[c, t, i, o, n]
   Exit: (230) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n])
   Call: (229) [system] _79908=[u, c, t, i, o, n]
   Exit: (229) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, i, o, n])
   Call: (228) [system] _65972=[d, u, c, t, i, o, n]
   Exit: (228) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, u, c, t, i, o, n])
   Call: (227) [system] _52036=[o, d, u, c, t, i, o, n]
   Exit: (227) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, d, u, c, t, i, o, n])
   Call: (226) [system] _38100=[r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _24164=[t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _10228=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _4912=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _4908=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _4904=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _4900=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _4896=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _4892=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _4888=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _4884=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _4880=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _4876=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _4872=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (212) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _4868)
^  Call: (213) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _235210)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_236162, _236164), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _235210), _236144, fail)), '$restore_trace'(_236162, _236164))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_236162, _236164))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _235210), _236144, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_235210)
   Fail: (214) [system] atomic(_235210)
   Call: (214) [system] atom_chars(_235210, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (214) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (213) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (213) [system] integer('DisjunctionIntroduction')
   Fail: (213) [system] integer('DisjunctionIntroduction')
   Call: (213) [system] _4868='DisjunctionIntroduction'
   Exit: (213) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (212) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (211) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'DisjunctionIntroduction')
^  Exit: (210) [user] cont_sexpr(')', (0x563acd73bee0), 'DisjunctionIntroduction')
^  Call: (210) [user] read_list(')', (0x563acd73bee0), _250160)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _252018)
   Exit: (212) [system] peek_char((0x563acd73bee0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x563acd73bee0), _261612)
   Exit: (212) [system] get_char((0x563acd73bee0), ' ')
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _264316)
   Exit: (213) [system] peek_char((0x563acd73bee0), a)
   Call: (213) [system] a=(;)
   Fail: (213) [system] a=(;)
   Call: (213) [system] a=(/)
   Fail: (213) [system] a=(/)
^  Call: (213) [user] is_like_space(a)
   Call: (214) [system] char_type(a, 'white')
   Fail: (214) [system] char_type(a, 'white')
   Call: (214) [system] char_type(a, end_of_line)
   Fail: (214) [system] char_type(a, end_of_line)
   Call: (214) [system] char_type(a, space)
   Fail: (214) [system] char_type(a, space)
   Call: (214) [system] char_type(a, cntrl)
   Fail: (214) [system] char_type(a, cntrl)
^  Fail: (213) [user] is_like_space(a)
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _281250)
   Exit: (211) [system] peek_char((0x563acd73bee0), a)
   Call: (211) [system] a=')'
   Fail: (211) [system] a=')'
   Call: (211) [system] a=end_of_file
   Fail: (211) [system] a=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x563acd73bee0), _286820)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _288678)
   Exit: (213) [system] peek_char((0x563acd73bee0), a)
   Call: (213) [system] a=(;)
   Fail: (213) [system] a=(;)
   Call: (213) [system] a=(/)
   Fail: (213) [system] a=(/)
^  Call: (213) [user] is_like_space(a)
   Call: (214) [system] char_type(a, 'white')
   Fail: (214) [system] char_type(a, 'white')
   Call: (214) [system] char_type(a, end_of_line)
   Fail: (214) [system] char_type(a, end_of_line)
   Call: (214) [system] char_type(a, space)
   Fail: (214) [system] char_type(a, space)
   Call: (214) [system] char_type(a, cntrl)
   Fail: (214) [system] char_type(a, cntrl)
^  Fail: (213) [user] is_like_space(a)
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] get_char((0x563acd73bee0), _304688)
   Exit: (212) [system] get_char((0x563acd73bee0), a)
   Call: (212) [system] a='('
   Fail: (212) [system] a='('
   Call: (212) [system] a='['
   Fail: (212) [system] a='['
   Call: (212) [system] a='{'
   Fail: (212) [system] a='{'
   Call: (212) [system] a='"'
   Fail: (212) [system] a='"'
   Call: (212) [system] a=!
   Fail: (212) [system] a=!
   Call: (212) [system] a='\''
   Fail: (212) [system] a='\''
   Call: (212) [system] a='`'
   Fail: (212) [system] a='`'
   Call: (212) [system] a=end_of_file
   Fail: (212) [system] a=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x563acd73bee0), a, _286820)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _322330)
   Call: (214) [system] peek_char((0x563acd73bee0), _323264)
   Exit: (214) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _322330=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (213) [user] classify_and_convert_charseq([a], _286820)
^  Call: (214) [user] classify_and_convert_charseq_([a], _332548)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_333500, _333502), once(user:catch(read_from_chars([a], _332548), _333482, fail)), '$restore_trace'(_333500, _333502))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_333500, _333502))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _333482, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(a)
   Exit: (215) [system] atomic(a)
^  Exit: (214) [user] classify_and_convert_charseq_([a], a)
   Call: (214) [system] integer(a)
   Fail: (214) [system] integer(a)
   Call: (214) [system] _286820=a
   Exit: (214) [system] a=a
^  Exit: (213) [user] classify_and_convert_charseq([a], a)
^  Exit: (212) [user] read_symbolic(')', (0x563acd73bee0), a, a)
^  Exit: (211) [user] cont_sexpr(')', (0x563acd73bee0), a)
^  Call: (211) [user] read_list(')', (0x563acd73bee0), _345628)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _347486)
   Exit: (213) [system] peek_char((0x563acd73bee0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x563acd73bee0), _357080)
   Exit: (213) [system] get_char((0x563acd73bee0), ' ')
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _359784)
   Exit: (214) [system] peek_char((0x563acd73bee0), a)
   Call: (214) [system] a=(;)
   Fail: (214) [system] a=(;)
   Call: (214) [system] a=(/)
   Fail: (214) [system] a=(/)
^  Call: (214) [user] is_like_space(a)
   Call: (215) [system] char_type(a, 'white')
   Fail: (215) [system] char_type(a, 'white')
   Call: (215) [system] char_type(a, end_of_line)
   Fail: (215) [system] char_type(a, end_of_line)
   Call: (215) [system] char_type(a, space)
   Fail: (215) [system] char_type(a, space)
   Call: (215) [system] char_type(a, cntrl)
   Fail: (215) [system] char_type(a, cntrl)
^  Fail: (214) [user] is_like_space(a)
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _376718)
   Exit: (212) [system] peek_char((0x563acd73bee0), a)
   Call: (212) [system] a=')'
   Fail: (212) [system] a=')'
   Call: (212) [system] a=end_of_file
   Fail: (212) [system] a=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x563acd73bee0), _382288)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _384146)
   Exit: (214) [system] peek_char((0x563acd73bee0), a)
   Call: (214) [system] a=(;)
   Fail: (214) [system] a=(;)
   Call: (214) [system] a=(/)
   Fail: (214) [system] a=(/)
^  Call: (214) [user] is_like_space(a)
   Call: (215) [system] char_type(a, 'white')
   Fail: (215) [system] char_type(a, 'white')
   Call: (215) [system] char_type(a, end_of_line)
   Fail: (215) [system] char_type(a, end_of_line)
   Call: (215) [system] char_type(a, space)
   Fail: (215) [system] char_type(a, space)
   Call: (215) [system] char_type(a, cntrl)
   Fail: (215) [system] char_type(a, cntrl)
^  Fail: (214) [user] is_like_space(a)
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] get_char((0x563acd73bee0), _400156)
   Exit: (213) [system] get_char((0x563acd73bee0), a)
   Call: (213) [system] a='('
   Fail: (213) [system] a='('
   Call: (213) [system] a='['
   Fail: (213) [system] a='['
   Call: (213) [system] a='{'
   Fail: (213) [system] a='{'
   Call: (213) [system] a='"'
   Fail: (213) [system] a='"'
   Call: (213) [system] a=!
   Fail: (213) [system] a=!
   Call: (213) [system] a='\''
   Fail: (213) [system] a='\''
   Call: (213) [system] a='`'
   Fail: (213) [system] a='`'
   Call: (213) [system] a=end_of_file
   Fail: (213) [system] a=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x563acd73bee0), a, _382288)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _417798)
   Call: (215) [system] peek_char((0x563acd73bee0), _418732)
   Exit: (215) [system] peek_char((0x563acd73bee0), b)
^  Call: (215) [user] is_delimiter(b)
   Call: (216) [system] char_type(b, space)
   Fail: (216) [system] char_type(b, space)
   Call: (216) [system] arg(_423452, v('(', ')', end_of_file), b)
   Fail: (216) [system] arg(_424384, v('(', ')', end_of_file), b)
^  Fail: (215) [user] is_delimiter(b)
   Call: (215) [system] ')'==b
   Fail: (215) [system] ')'==b
   Call: (215) [system] get_char((0x563acd73bee0), b)
   Exit: (215) [system] get_char((0x563acd73bee0), b)
   Call: (215) [system] b=(\)
   Fail: (215) [system] b=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _431734)
   Call: (216) [system] peek_char((0x563acd73bee0), _432668)
   Exit: (216) [system] peek_char((0x563acd73bee0), c)
^  Call: (216) [user] is_delimiter(c)
   Call: (217) [system] char_type(c, space)
   Fail: (217) [system] char_type(c, space)
   Call: (217) [system] arg(_437388, v('(', ')', end_of_file), c)
   Fail: (217) [system] arg(_438320, v('(', ')', end_of_file), c)
^  Fail: (216) [user] is_delimiter(c)
   Call: (216) [system] ')'==c
   Fail: (216) [system] ')'==c
   Call: (216) [system] get_char((0x563acd73bee0), c)
   Exit: (216) [system] get_char((0x563acd73bee0), c)
   Call: (216) [system] c=(\)
   Fail: (216) [system] c=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _445670)
   Call: (217) [system] peek_char((0x563acd73bee0), _446604)
   Exit: (217) [system] peek_char((0x563acd73bee0), ')')
^  Call: (217) [user] is_delimiter(')')
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] arg(_451324, v('(', ')', end_of_file), ')')
   Exit: (218) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (217) [user] is_delimiter(')')
   Call: (217) [system] _445670=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (216) [system] _431734=[c]
   Exit: (216) [system] [c]=[c]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [c])
   Call: (215) [system] _417798=[b, c]
   Exit: (215) [system] [b, c]=[b, c]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [b, c])
^  Call: (214) [user] classify_and_convert_charseq([a, b, c], _382288)
^  Call: (215) [user] classify_and_convert_charseq_([a, b, c], _463348)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_464300, _464302), once(user:catch(read_from_chars([a, b, c], _463348), _464282, fail)), '$restore_trace'(_464300, _464302))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_464300, _464302))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _464282, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(abc)
   Exit: (216) [system] atomic(abc)
^  Exit: (215) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (215) [system] integer(abc)
   Fail: (215) [system] integer(abc)
   Call: (215) [system] _382288=abc
   Exit: (215) [system] abc=abc
^  Exit: (214) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (213) [user] read_symbolic(')', (0x563acd73bee0), a, abc)
^  Exit: (212) [user] cont_sexpr(')', (0x563acd73bee0), abc)
^  Call: (212) [user] read_list(')', (0x563acd73bee0), _476428)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _478286)
   Exit: (214) [system] peek_char((0x563acd73bee0), ')')
   Call: (214) [system] ')'=(;)
   Fail: (214) [system] ')'=(;)
   Call: (214) [system] ')'=(/)
   Fail: (214) [system] ')'=(/)
^  Call: (214) [user] is_like_space(')')
   Call: (215) [system] char_type(')', 'white')
   Fail: (215) [system] char_type(')', 'white')
   Call: (215) [system] char_type(')', end_of_line)
   Fail: (215) [system] char_type(')', end_of_line)
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] char_type(')', cntrl)
   Fail: (215) [system] char_type(')', cntrl)
^  Fail: (214) [user] is_like_space(')')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _494296)
   Exit: (213) [system] peek_char((0x563acd73bee0), ')')
   Call: (213) [system] ')'=')'
   Exit: (213) [system] ')'=')'
   Call: (213) [system] get_char((0x563acd73bee0), _498086)
   Exit: (213) [system] get_char((0x563acd73bee0), ')')
   Call: (213) [system] _476428=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_list(')', (0x563acd73bee0), [])
   Call: (212) [system] _345628=[abc]
   Exit: (212) [system] [abc]=[abc]
^  Exit: (211) [user] read_list(')', (0x563acd73bee0), [abc])
   Call: (211) [system] _250160=[a, abc]
   Exit: (211) [system] [a, abc]=[a, abc]
^  Exit: (210) [user] read_list(')', (0x563acd73bee0), [a, abc])
   Call: (210) [system] _4862=['DisjunctionIntroduction', a, abc]
   Exit: (210) [system] ['DisjunctionIntroduction', a, abc]=['DisjunctionIntroduction', a, abc]
^  Exit: (209) [user] read_list(')', (0x563acd73bee0), ['DisjunctionIntroduction', a, abc])
^  Exit: (208) [user] cont_sexpr(')', (0x563acd73bee0), ['DisjunctionIntroduction', a, abc])
^  Call: (208) [user] read_list(')', (0x563acd73bee0), _511968)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _513826)
   Exit: (210) [system] peek_char((0x563acd73bee0), ')')
   Call: (210) [system] ')'=(;)
   Fail: (210) [system] ')'=(;)
   Call: (210) [system] ')'=(/)
   Fail: (210) [system] ')'=(/)
^  Call: (210) [user] is_like_space(')')
   Call: (211) [system] char_type(')', 'white')
   Fail: (211) [system] char_type(')', 'white')
   Call: (211) [system] char_type(')', end_of_line)
   Fail: (211) [system] char_type(')', end_of_line)
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] char_type(')', cntrl)
   Fail: (211) [system] char_type(')', cntrl)
^  Fail: (210) [user] is_like_space(')')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _529836)
   Exit: (209) [system] peek_char((0x563acd73bee0), ')')
   Call: (209) [system] ')'=')'
   Exit: (209) [system] ')'=')'
   Call: (209) [system] get_char((0x563acd73bee0), _533626)
   Exit: (209) [system] get_char((0x563acd73bee0), ')')
   Call: (209) [system] _511968=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_list(')', (0x563acd73bee0), [])
   Call: (208) [system] _4858=[['DisjunctionIntroduction', a, abc]]
   Exit: (208) [system] [['DisjunctionIntroduction', a, abc]]=[['DisjunctionIntroduction', a, abc]]
^  Exit: (207) [user] read_list(')', (0x563acd73bee0), [['DisjunctionIntroduction', a, abc]])
   Call: (207) [system] _4852=[abc, ['DisjunctionIntroduction', a, abc]]
   Exit: (207) [system] [abc, ['DisjunctionIntroduction', a, abc]]=[abc, ['DisjunctionIntroduction', a, abc]]
^  Exit: (206) [user] read_list(')', (0x563acd73bee0), [abc, ['DisjunctionIntroduction', a, abc]])
   Call: (206) [system] _4844=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]]
   Exit: (206) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]]
^  Exit: (205) [user] read_list(')', (0x563acd73bee0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]])
^  Exit: (204) [user] cont_sexpr(')', (0x563acd73bee0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]])
^  Call: (204) [user] read_list(')', (0x563acd73bee0), _547508)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _549366)
   Exit: (206) [system] peek_char((0x563acd73bee0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
   Call: (206) [system] ' '=(/)
   Fail: (206) [system] ' '=(/)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x563acd73bee0), _558960)
   Exit: (206) [system] get_char((0x563acd73bee0), ' ')
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _561664)
   Exit: (207) [system] peek_char((0x563acd73bee0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _578598)
   Exit: (205) [system] peek_char((0x563acd73bee0), '(')
   Call: (205) [system] '('=')'
   Fail: (205) [system] '('=')'
   Call: (205) [system] '('=end_of_file
   Fail: (205) [system] '('=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x563acd73bee0), _584168)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _586026)
   Exit: (207) [system] peek_char((0x563acd73bee0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] get_char((0x563acd73bee0), _602036)
   Exit: (206) [system] get_char((0x563acd73bee0), '(')
   Call: (206) [system] '('='('
   Exit: (206) [system] '('='('
^  Call: (206) [user] read_list(')', (0x563acd73bee0), _584168)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _607606)
   Exit: (208) [system] peek_char((0x563acd73bee0), 'O')
   Call: (208) [system] 'O'=(;)
   Fail: (208) [system] 'O'=(;)
   Call: (208) [system] 'O'=(/)
   Fail: (208) [system] 'O'=(/)
^  Call: (208) [user] is_like_space('O')
   Call: (209) [system] char_type('O', 'white')
   Fail: (209) [system] char_type('O', 'white')
   Call: (209) [system] char_type('O', end_of_line)
   Fail: (209) [system] char_type('O', end_of_line)
   Call: (209) [system] char_type('O', space)
   Fail: (209) [system] char_type('O', space)
   Call: (209) [system] char_type('O', cntrl)
   Fail: (209) [system] char_type('O', cntrl)
^  Fail: (208) [user] is_like_space('O')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _623616)
   Exit: (207) [system] peek_char((0x563acd73bee0), 'O')
   Call: (207) [system] 'O'=')'
   Fail: (207) [system] 'O'=')'
   Call: (207) [system] 'O'=end_of_file
   Fail: (207) [system] 'O'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x563acd73bee0), _629186)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _631044)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'O')
   Call: (209) [system] 'O'=(;)
   Fail: (209) [system] 'O'=(;)
   Call: (209) [system] 'O'=(/)
   Fail: (209) [system] 'O'=(/)
^  Call: (209) [user] is_like_space('O')
   Call: (210) [system] char_type('O', 'white')
   Fail: (210) [system] char_type('O', 'white')
   Call: (210) [system] char_type('O', end_of_line)
   Fail: (210) [system] char_type('O', end_of_line)
   Call: (210) [system] char_type('O', space)
   Fail: (210) [system] char_type('O', space)
   Call: (210) [system] char_type('O', cntrl)
   Fail: (210) [system] char_type('O', cntrl)
^  Fail: (209) [user] is_like_space('O')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] get_char((0x563acd73bee0), _647054)
   Exit: (208) [system] get_char((0x563acd73bee0), 'O')
   Call: (208) [system] 'O'='('
   Fail: (208) [system] 'O'='('
   Call: (208) [system] 'O'='['
   Fail: (208) [system] 'O'='['
   Call: (208) [system] 'O'='{'
   Fail: (208) [system] 'O'='{'
   Call: (208) [system] 'O'='"'
   Fail: (208) [system] 'O'='"'
   Call: (208) [system] 'O'=!
   Fail: (208) [system] 'O'=!
   Call: (208) [system] 'O'='\''
   Fail: (208) [system] 'O'='\''
   Call: (208) [system] 'O'='`'
   Fail: (208) [system] 'O'='`'
   Call: (208) [system] 'O'=end_of_file
   Fail: (208) [system] 'O'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x563acd73bee0), 'O', _629186)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _664696)
   Call: (210) [system] peek_char((0x563acd73bee0), _665630)
   Exit: (210) [system] peek_char((0x563acd73bee0), r)
^  Call: (210) [user] is_delimiter(r)
   Call: (211) [system] char_type(r, space)
   Fail: (211) [system] char_type(r, space)
   Call: (211) [system] arg(_670350, v('(', ')', end_of_file), r)
   Fail: (211) [system] arg(_671282, v('(', ')', end_of_file), r)
^  Fail: (210) [user] is_delimiter(r)
   Call: (210) [system] ')'==r
   Fail: (210) [system] ')'==r
   Call: (210) [system] get_char((0x563acd73bee0), r)
   Exit: (210) [system] get_char((0x563acd73bee0), r)
   Call: (210) [system] r=(\)
   Fail: (210) [system] r=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _678632)
   Call: (211) [system] peek_char((0x563acd73bee0), _679566)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (211) [user] is_delimiter('L')
   Call: (212) [system] char_type('L', space)
   Fail: (212) [system] char_type('L', space)
   Call: (212) [system] arg(_684286, v('(', ')', end_of_file), 'L')
   Fail: (212) [system] arg(_685218, v('(', ')', end_of_file), 'L')
^  Fail: (211) [user] is_delimiter('L')
   Call: (211) [system] ')'=='L'
   Fail: (211) [system] ')'=='L'
   Call: (211) [system] get_char((0x563acd73bee0), 'L')
   Exit: (211) [system] get_char((0x563acd73bee0), 'L')
   Call: (211) [system] 'L'=(\)
   Fail: (211) [system] 'L'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _692568)
   Call: (212) [system] peek_char((0x563acd73bee0), _693502)
   Exit: (212) [system] peek_char((0x563acd73bee0), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_698222, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_699154, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x563acd73bee0), i)
   Exit: (212) [system] get_char((0x563acd73bee0), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _706504)
   Call: (213) [system] peek_char((0x563acd73bee0), _707438)
   Exit: (213) [system] peek_char((0x563acd73bee0), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_712158, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_713090, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x563acd73bee0), n)
   Exit: (213) [system] get_char((0x563acd73bee0), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _720440)
   Call: (214) [system] peek_char((0x563acd73bee0), _721374)
   Exit: (214) [system] peek_char((0x563acd73bee0), k)
^  Call: (214) [user] is_delimiter(k)
   Call: (215) [system] char_type(k, space)
   Fail: (215) [system] char_type(k, space)
   Call: (215) [system] arg(_726094, v('(', ')', end_of_file), k)
   Fail: (215) [system] arg(_727026, v('(', ')', end_of_file), k)
^  Fail: (214) [user] is_delimiter(k)
   Call: (214) [system] ')'==k
   Fail: (214) [system] ')'==k
   Call: (214) [system] get_char((0x563acd73bee0), k)
   Exit: (214) [system] get_char((0x563acd73bee0), k)
   Call: (214) [system] k=(\)
   Fail: (214) [system] k=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _734376)
   Call: (215) [system] peek_char((0x563acd73bee0), _735310)
   Exit: (215) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _734376=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (214) [system] _720440=[k]
   Exit: (214) [system] [k]=[k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (213) [system] _706504=[n, k]
   Exit: (213) [system] [n, k]=[n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (212) [system] _692568=[i, n, k]
   Exit: (212) [system] [i, n, k]=[i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (211) [system] _678632=['L', i, n, k]
   Exit: (211) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (210) [system] _664696=[r, 'L', i, n, k]
   Exit: (210) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (209) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _629186)
^  Call: (210) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _758564)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_759516, _759518), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _758564), _759498, fail)), '$restore_trace'(_759516, _759518))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_759516, _759518))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _758564), _759498, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_758564)
   Fail: (211) [system] atomic(_758564)
   Call: (211) [system] atom_chars(_758564, ['O', r, 'L', i, n, k])
   Exit: (211) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (210) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (210) [system] integer('OrLink')
   Fail: (210) [system] integer('OrLink')
   Call: (210) [system] _629186='OrLink'
   Exit: (210) [system] 'OrLink'='OrLink'
^  Exit: (209) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (208) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (207) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (207) [user] read_list(')', (0x563acd73bee0), _773514)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _775372)
   Exit: (209) [system] peek_char((0x563acd73bee0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x563acd73bee0), _784966)
   Exit: (209) [system] get_char((0x563acd73bee0), ' ')
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _787670)
   Exit: (210) [system] peek_char((0x563acd73bee0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _804604)
   Exit: (208) [system] peek_char((0x563acd73bee0), '(')
   Call: (208) [system] '('=')'
   Fail: (208) [system] '('=')'
   Call: (208) [system] '('=end_of_file
   Fail: (208) [system] '('=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x563acd73bee0), _810174)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _812032)
   Exit: (210) [system] peek_char((0x563acd73bee0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] get_char((0x563acd73bee0), _828042)
   Exit: (209) [system] get_char((0x563acd73bee0), '(')
   Call: (209) [system] '('='('
   Exit: (209) [system] '('='('
^  Call: (209) [user] read_list(')', (0x563acd73bee0), _810174)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _833612)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'I')
   Call: (211) [system] 'I'=(;)
   Fail: (211) [system] 'I'=(;)
   Call: (211) [system] 'I'=(/)
   Fail: (211) [system] 'I'=(/)
^  Call: (211) [user] is_like_space('I')
   Call: (212) [system] char_type('I', 'white')
   Fail: (212) [system] char_type('I', 'white')
   Call: (212) [system] char_type('I', end_of_line)
   Fail: (212) [system] char_type('I', end_of_line)
   Call: (212) [system] char_type('I', space)
   Fail: (212) [system] char_type('I', space)
   Call: (212) [system] char_type('I', cntrl)
   Fail: (212) [system] char_type('I', cntrl)
^  Fail: (211) [user] is_like_space('I')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _849622)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'I')
   Call: (210) [system] 'I'=')'
   Fail: (210) [system] 'I'=')'
   Call: (210) [system] 'I'=end_of_file
   Fail: (210) [system] 'I'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x563acd73bee0), _855192)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _857050)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'I')
   Call: (212) [system] 'I'=(;)
   Fail: (212) [system] 'I'=(;)
   Call: (212) [system] 'I'=(/)
   Fail: (212) [system] 'I'=(/)
^  Call: (212) [user] is_like_space('I')
   Call: (213) [system] char_type('I', 'white')
   Fail: (213) [system] char_type('I', 'white')
   Call: (213) [system] char_type('I', end_of_line)
   Fail: (213) [system] char_type('I', end_of_line)
   Call: (213) [system] char_type('I', space)
   Fail: (213) [system] char_type('I', space)
   Call: (213) [system] char_type('I', cntrl)
   Fail: (213) [system] char_type('I', cntrl)
^  Fail: (212) [user] is_like_space('I')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] get_char((0x563acd73bee0), _873060)
   Exit: (211) [system] get_char((0x563acd73bee0), 'I')
   Call: (211) [system] 'I'='('
   Fail: (211) [system] 'I'='('
   Call: (211) [system] 'I'='['
   Fail: (211) [system] 'I'='['
   Call: (211) [system] 'I'='{'
   Fail: (211) [system] 'I'='{'
   Call: (211) [system] 'I'='"'
   Fail: (211) [system] 'I'='"'
   Call: (211) [system] 'I'=!
   Fail: (211) [system] 'I'=!
   Call: (211) [system] 'I'='\''
   Fail: (211) [system] 'I'='\''
   Call: (211) [system] 'I'='`'
   Fail: (211) [system] 'I'='`'
   Call: (211) [system] 'I'=end_of_file
   Fail: (211) [system] 'I'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x563acd73bee0), 'I', _855192)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _890702)
   Call: (213) [system] peek_char((0x563acd73bee0), _891636)
   Exit: (213) [system] peek_char((0x563acd73bee0), m)
^  Call: (213) [user] is_delimiter(m)
   Call: (214) [system] char_type(m, space)
   Fail: (214) [system] char_type(m, space)
   Call: (214) [system] arg(_896356, v('(', ')', end_of_file), m)
   Fail: (214) [system] arg(_897288, v('(', ')', end_of_file), m)
^  Fail: (213) [user] is_delimiter(m)
   Call: (213) [system] ')'==m
   Fail: (213) [system] ')'==m
   Call: (213) [system] get_char((0x563acd73bee0), m)
   Exit: (213) [system] get_char((0x563acd73bee0), m)
   Call: (213) [system] m=(\)
   Fail: (213) [system] m=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _904638)
   Call: (214) [system] peek_char((0x563acd73bee0), _905572)
   Exit: (214) [system] peek_char((0x563acd73bee0), p)
^  Call: (214) [user] is_delimiter(p)
   Call: (215) [system] char_type(p, space)
   Fail: (215) [system] char_type(p, space)
   Call: (215) [system] arg(_910292, v('(', ')', end_of_file), p)
   Fail: (215) [system] arg(_911224, v('(', ')', end_of_file), p)
^  Fail: (214) [user] is_delimiter(p)
   Call: (214) [system] ')'==p
   Fail: (214) [system] ')'==p
   Call: (214) [system] get_char((0x563acd73bee0), p)
   Exit: (214) [system] get_char((0x563acd73bee0), p)
   Call: (214) [system] p=(\)
   Fail: (214) [system] p=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _918574)
   Call: (215) [system] peek_char((0x563acd73bee0), _919508)
   Exit: (215) [system] peek_char((0x563acd73bee0), l)
^  Call: (215) [user] is_delimiter(l)
   Call: (216) [system] char_type(l, space)
   Fail: (216) [system] char_type(l, space)
   Call: (216) [system] arg(_924228, v('(', ')', end_of_file), l)
   Fail: (216) [system] arg(_925160, v('(', ')', end_of_file), l)
^  Fail: (215) [user] is_delimiter(l)
   Call: (215) [system] ')'==l
   Fail: (215) [system] ')'==l
   Call: (215) [system] get_char((0x563acd73bee0), l)
   Exit: (215) [system] get_char((0x563acd73bee0), l)
   Call: (215) [system] l=(\)
   Fail: (215) [system] l=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _932510)
   Call: (216) [system] peek_char((0x563acd73bee0), _933444)
   Exit: (216) [system] peek_char((0x563acd73bee0), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Fail: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_938164, v('(', ')', end_of_file), i)
   Fail: (217) [system] arg(_939096, v('(', ')', end_of_file), i)
^  Fail: (216) [user] is_delimiter(i)
   Call: (216) [system] ')'==i
   Fail: (216) [system] ')'==i
   Call: (216) [system] get_char((0x563acd73bee0), i)
   Exit: (216) [system] get_char((0x563acd73bee0), i)
   Call: (216) [system] i=(\)
   Fail: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _946446)
   Call: (217) [system] peek_char((0x563acd73bee0), _947380)
   Exit: (217) [system] peek_char((0x563acd73bee0), c)
^  Call: (217) [user] is_delimiter(c)
   Call: (218) [system] char_type(c, space)
   Fail: (218) [system] char_type(c, space)
   Call: (218) [system] arg(_952100, v('(', ')', end_of_file), c)
   Fail: (218) [system] arg(_953032, v('(', ')', end_of_file), c)
^  Fail: (217) [user] is_delimiter(c)
   Call: (217) [system] ')'==c
   Fail: (217) [system] ')'==c
   Call: (217) [system] get_char((0x563acd73bee0), c)
   Exit: (217) [system] get_char((0x563acd73bee0), c)
   Call: (217) [system] c=(\)
   Fail: (217) [system] c=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _960382)
   Call: (218) [system] peek_char((0x563acd73bee0), _961316)
   Exit: (218) [system] peek_char((0x563acd73bee0), a)
^  Call: (218) [user] is_delimiter(a)
   Call: (219) [system] char_type(a, space)
   Fail: (219) [system] char_type(a, space)
   Call: (219) [system] arg(_966036, v('(', ')', end_of_file), a)
   Fail: (219) [system] arg(_966968, v('(', ')', end_of_file), a)
^  Fail: (218) [user] is_delimiter(a)
   Call: (218) [system] ')'==a
   Fail: (218) [system] ')'==a
   Call: (218) [system] get_char((0x563acd73bee0), a)
   Exit: (218) [system] get_char((0x563acd73bee0), a)
   Call: (218) [system] a=(\)
   Fail: (218) [system] a=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _974318)
   Call: (219) [system] peek_char((0x563acd73bee0), _975252)
   Exit: (219) [system] peek_char((0x563acd73bee0), t)
^  Call: (219) [user] is_delimiter(t)
   Call: (220) [system] char_type(t, space)
   Fail: (220) [system] char_type(t, space)
   Call: (220) [system] arg(_979972, v('(', ')', end_of_file), t)
   Fail: (220) [system] arg(_980904, v('(', ')', end_of_file), t)
^  Fail: (219) [user] is_delimiter(t)
   Call: (219) [system] ')'==t
   Fail: (219) [system] ')'==t
   Call: (219) [system] get_char((0x563acd73bee0), t)
   Exit: (219) [system] get_char((0x563acd73bee0), t)
   Call: (219) [system] t=(\)
   Fail: (219) [system] t=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _988254)
   Call: (220) [system] peek_char((0x563acd73bee0), _989188)
   Exit: (220) [system] peek_char((0x563acd73bee0), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_993908, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_994840, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x563acd73bee0), i)
   Exit: (220) [system] get_char((0x563acd73bee0), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _1002190)
   Call: (221) [system] peek_char((0x563acd73bee0), _1003124)
   Exit: (221) [system] peek_char((0x563acd73bee0), o)
^  Call: (221) [user] is_delimiter(o)
   Call: (222) [system] char_type(o, space)
   Fail: (222) [system] char_type(o, space)
   Call: (222) [system] arg(_1007844, v('(', ')', end_of_file), o)
   Fail: (222) [system] arg(_1008776, v('(', ')', end_of_file), o)
^  Fail: (221) [user] is_delimiter(o)
   Call: (221) [system] ')'==o
   Fail: (221) [system] ')'==o
   Call: (221) [system] get_char((0x563acd73bee0), o)
   Exit: (221) [system] get_char((0x563acd73bee0), o)
   Call: (221) [system] o=(\)
   Fail: (221) [system] o=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _1016126)
   Call: (222) [system] peek_char((0x563acd73bee0), _1017060)
   Exit: (222) [system] peek_char((0x563acd73bee0), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_1021780, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_1022712, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x563acd73bee0), n)
   Exit: (222) [system] get_char((0x563acd73bee0), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _1030062)
   Call: (223) [system] peek_char((0x563acd73bee0), _1030996)
   Exit: (223) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _1030062=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (222) [system] _1016126=[n]
   Exit: (222) [system] [n]=[n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (221) [system] _1002190=[o, n]
   Exit: (221) [system] [o, n]=[o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (220) [system] _988254=[i, o, n]
   Exit: (220) [system] [i, o, n]=[i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (219) [system] _974318=[t, i, o, n]
   Exit: (219) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (218) [system] _960382=[a, t, i, o, n]
   Exit: (218) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (217) [system] _946446=[c, a, t, i, o, n]
   Exit: (217) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (216) [system] _932510=[i, c, a, t, i, o, n]
   Exit: (216) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (215) [system] _918574=[l, i, c, a, t, i, o, n]
   Exit: (215) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (214) [system] _904638=[p, l, i, c, a, t, i, o, n]
   Exit: (214) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (213) [system] _890702=[m, p, l, i, c, a, t, i, o, n]
   Exit: (213) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (212) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _855192)
^  Call: (213) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1068220)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_1069172, _1069174), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1068220), _1069154, fail)), '$restore_trace'(_1069172, _1069174))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_1069172, _1069174))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1068220), _1069154, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_1068220)
   Fail: (214) [system] atomic(_1068220)
   Call: (214) [system] atom_chars(_1068220, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (214) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (213) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (213) [system] integer('Implication')
   Fail: (213) [system] integer('Implication')
   Call: (213) [system] _855192='Implication'
   Exit: (213) [system] 'Implication'='Implication'
^  Exit: (212) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (211) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (210) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (210) [user] read_list(')', (0x563acd73bee0), _1083170)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1085028)
   Exit: (212) [system] peek_char((0x563acd73bee0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x563acd73bee0), _1094622)
   Exit: (212) [system] get_char((0x563acd73bee0), ' ')
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1097326)
   Exit: (213) [system] peek_char((0x563acd73bee0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1114260)
   Exit: (211) [system] peek_char((0x563acd73bee0), '(')
   Call: (211) [system] '('=')'
   Fail: (211) [system] '('=')'
   Call: (211) [system] '('=end_of_file
   Fail: (211) [system] '('=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x563acd73bee0), _1119830)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1121688)
   Exit: (213) [system] peek_char((0x563acd73bee0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] get_char((0x563acd73bee0), _1137698)
   Exit: (212) [system] get_char((0x563acd73bee0), '(')
   Call: (212) [system] '('='('
   Exit: (212) [system] '('='('
^  Call: (212) [user] read_list(')', (0x563acd73bee0), _1119830)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1143268)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'A')
   Call: (214) [system] 'A'=(;)
   Fail: (214) [system] 'A'=(;)
   Call: (214) [system] 'A'=(/)
   Fail: (214) [system] 'A'=(/)
^  Call: (214) [user] is_like_space('A')
   Call: (215) [system] char_type('A', 'white')
   Fail: (215) [system] char_type('A', 'white')
   Call: (215) [system] char_type('A', end_of_line)
   Fail: (215) [system] char_type('A', end_of_line)
   Call: (215) [system] char_type('A', space)
   Fail: (215) [system] char_type('A', space)
   Call: (215) [system] char_type('A', cntrl)
   Fail: (215) [system] char_type('A', cntrl)
^  Fail: (214) [user] is_like_space('A')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1159278)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'A')
   Call: (213) [system] 'A'=')'
   Fail: (213) [system] 'A'=')'
   Call: (213) [system] 'A'=end_of_file
   Fail: (213) [system] 'A'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x563acd73bee0), _1164848)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1166706)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'A')
   Call: (215) [system] 'A'=(;)
   Fail: (215) [system] 'A'=(;)
   Call: (215) [system] 'A'=(/)
   Fail: (215) [system] 'A'=(/)
^  Call: (215) [user] is_like_space('A')
   Call: (216) [system] char_type('A', 'white')
   Fail: (216) [system] char_type('A', 'white')
   Call: (216) [system] char_type('A', end_of_line)
   Fail: (216) [system] char_type('A', end_of_line)
   Call: (216) [system] char_type('A', space)
   Fail: (216) [system] char_type('A', space)
   Call: (216) [system] char_type('A', cntrl)
   Fail: (216) [system] char_type('A', cntrl)
^  Fail: (215) [user] is_like_space('A')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] get_char((0x563acd73bee0), _1182716)
   Exit: (214) [system] get_char((0x563acd73bee0), 'A')
   Call: (214) [system] 'A'='('
   Fail: (214) [system] 'A'='('
   Call: (214) [system] 'A'='['
   Fail: (214) [system] 'A'='['
   Call: (214) [system] 'A'='{'
   Fail: (214) [system] 'A'='{'
   Call: (214) [system] 'A'='"'
   Fail: (214) [system] 'A'='"'
   Call: (214) [system] 'A'=!
   Fail: (214) [system] 'A'=!
   Call: (214) [system] 'A'='\''
   Fail: (214) [system] 'A'='\''
   Call: (214) [system] 'A'='`'
   Fail: (214) [system] 'A'='`'
   Call: (214) [system] 'A'=end_of_file
   Fail: (214) [system] 'A'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x563acd73bee0), 'A', _1164848)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _1200358)
   Call: (216) [system] peek_char((0x563acd73bee0), _1201292)
   Exit: (216) [system] peek_char((0x563acd73bee0), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_1206012, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_1206944, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x563acd73bee0), n)
   Exit: (216) [system] get_char((0x563acd73bee0), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _1214294)
   Call: (217) [system] peek_char((0x563acd73bee0), _1215228)
   Exit: (217) [system] peek_char((0x563acd73bee0), d)
^  Call: (217) [user] is_delimiter(d)
   Call: (218) [system] char_type(d, space)
   Fail: (218) [system] char_type(d, space)
   Call: (218) [system] arg(_1219948, v('(', ')', end_of_file), d)
   Fail: (218) [system] arg(_1220880, v('(', ')', end_of_file), d)
^  Fail: (217) [user] is_delimiter(d)
   Call: (217) [system] ')'==d
   Fail: (217) [system] ')'==d
   Call: (217) [system] get_char((0x563acd73bee0), d)
   Exit: (217) [system] get_char((0x563acd73bee0), d)
   Call: (217) [system] d=(\)
   Fail: (217) [system] d=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _1228230)
   Call: (218) [system] peek_char((0x563acd73bee0), _1229164)
   Exit: (218) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (218) [user] is_delimiter('L')
   Call: (219) [system] char_type('L', space)
   Fail: (219) [system] char_type('L', space)
   Call: (219) [system] arg(_1233884, v('(', ')', end_of_file), 'L')
   Fail: (219) [system] arg(_1234816, v('(', ')', end_of_file), 'L')
^  Fail: (218) [user] is_delimiter('L')
   Call: (218) [system] ')'=='L'
   Fail: (218) [system] ')'=='L'
   Call: (218) [system] get_char((0x563acd73bee0), 'L')
   Exit: (218) [system] get_char((0x563acd73bee0), 'L')
   Call: (218) [system] 'L'=(\)
   Fail: (218) [system] 'L'=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _1242166)
   Call: (219) [system] peek_char((0x563acd73bee0), _1243100)
   Exit: (219) [system] peek_char((0x563acd73bee0), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Fail: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_1247820, v('(', ')', end_of_file), i)
   Fail: (220) [system] arg(_1248752, v('(', ')', end_of_file), i)
^  Fail: (219) [user] is_delimiter(i)
   Call: (219) [system] ')'==i
   Fail: (219) [system] ')'==i
   Call: (219) [system] get_char((0x563acd73bee0), i)
   Exit: (219) [system] get_char((0x563acd73bee0), i)
   Call: (219) [system] i=(\)
   Fail: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _1256102)
   Call: (220) [system] peek_char((0x563acd73bee0), _1257036)
   Exit: (220) [system] peek_char((0x563acd73bee0), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_1261756, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_1262688, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x563acd73bee0), n)
   Exit: (220) [system] get_char((0x563acd73bee0), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _1270038)
   Call: (221) [system] peek_char((0x563acd73bee0), _1270972)
   Exit: (221) [system] peek_char((0x563acd73bee0), k)
^  Call: (221) [user] is_delimiter(k)
   Call: (222) [system] char_type(k, space)
   Fail: (222) [system] char_type(k, space)
   Call: (222) [system] arg(_1275692, v('(', ')', end_of_file), k)
   Fail: (222) [system] arg(_1276624, v('(', ')', end_of_file), k)
^  Fail: (221) [user] is_delimiter(k)
   Call: (221) [system] ')'==k
   Fail: (221) [system] ')'==k
   Call: (221) [system] get_char((0x563acd73bee0), k)
   Exit: (221) [system] get_char((0x563acd73bee0), k)
   Call: (221) [system] k=(\)
   Fail: (221) [system] k=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _1283974)
   Call: (222) [system] peek_char((0x563acd73bee0), _1284908)
   Exit: (222) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _1283974=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (221) [system] _1270038=[k]
   Exit: (221) [system] [k]=[k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (220) [system] _1256102=[n, k]
   Exit: (220) [system] [n, k]=[n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (219) [system] _1242166=[i, n, k]
   Exit: (219) [system] [i, n, k]=[i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (218) [system] _1228230=['L', i, n, k]
   Exit: (218) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (217) [system] _1214294=[d, 'L', i, n, k]
   Exit: (217) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, 'L', i, n, k])
   Call: (216) [system] _1200358=[n, d, 'L', i, n, k]
   Exit: (216) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, d, 'L', i, n, k])
^  Call: (215) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1164848)
^  Call: (216) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1310956)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1311908, _1311910), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1310956), _1311890, fail)), '$restore_trace'(_1311908, _1311910))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1311908, _1311910))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1310956), _1311890, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_1310956)
   Fail: (217) [system] atomic(_1310956)
   Call: (217) [system] atom_chars(_1310956, ['A', n, d, 'L', i, n, k])
   Exit: (217) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (216) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (216) [system] integer('AndLink')
   Fail: (216) [system] integer('AndLink')
   Call: (216) [system] _1164848='AndLink'
   Exit: (216) [system] 'AndLink'='AndLink'
^  Exit: (215) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (214) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'AndLink')
^  Exit: (213) [user] cont_sexpr(')', (0x563acd73bee0), 'AndLink')
^  Call: (213) [user] read_list(')', (0x563acd73bee0), _1325906)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1327764)
   Exit: (215) [system] peek_char((0x563acd73bee0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x563acd73bee0), _1337358)
   Exit: (215) [system] get_char((0x563acd73bee0), ' ')
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1340062)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'A')
   Call: (216) [system] 'A'=(;)
   Fail: (216) [system] 'A'=(;)
   Call: (216) [system] 'A'=(/)
   Fail: (216) [system] 'A'=(/)
^  Call: (216) [user] is_like_space('A')
   Call: (217) [system] char_type('A', 'white')
   Fail: (217) [system] char_type('A', 'white')
   Call: (217) [system] char_type('A', end_of_line)
   Fail: (217) [system] char_type('A', end_of_line)
   Call: (217) [system] char_type('A', space)
   Fail: (217) [system] char_type('A', space)
   Call: (217) [system] char_type('A', cntrl)
   Fail: (217) [system] char_type('A', cntrl)
^  Fail: (216) [user] is_like_space('A')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1356996)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'A')
   Call: (214) [system] 'A'=')'
   Fail: (214) [system] 'A'=')'
   Call: (214) [system] 'A'=end_of_file
   Fail: (214) [system] 'A'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x563acd73bee0), _1362566)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1364424)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'A')
   Call: (216) [system] 'A'=(;)
   Fail: (216) [system] 'A'=(;)
   Call: (216) [system] 'A'=(/)
   Fail: (216) [system] 'A'=(/)
^  Call: (216) [user] is_like_space('A')
   Call: (217) [system] char_type('A', 'white')
   Fail: (217) [system] char_type('A', 'white')
   Call: (217) [system] char_type('A', end_of_line)
   Fail: (217) [system] char_type('A', end_of_line)
   Call: (217) [system] char_type('A', space)
   Fail: (217) [system] char_type('A', space)
   Call: (217) [system] char_type('A', cntrl)
   Fail: (217) [system] char_type('A', cntrl)
^  Fail: (216) [user] is_like_space('A')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] get_char((0x563acd73bee0), _1380434)
   Exit: (215) [system] get_char((0x563acd73bee0), 'A')
   Call: (215) [system] 'A'='('
   Fail: (215) [system] 'A'='('
   Call: (215) [system] 'A'='['
   Fail: (215) [system] 'A'='['
   Call: (215) [system] 'A'='{'
   Fail: (215) [system] 'A'='{'
   Call: (215) [system] 'A'='"'
   Fail: (215) [system] 'A'='"'
   Call: (215) [system] 'A'=!
   Fail: (215) [system] 'A'=!
   Call: (215) [system] 'A'='\''
   Fail: (215) [system] 'A'='\''
   Call: (215) [system] 'A'='`'
   Fail: (215) [system] 'A'='`'
   Call: (215) [system] 'A'=end_of_file
   Fail: (215) [system] 'A'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x563acd73bee0), 'A', _1362566)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _1398076)
   Call: (217) [system] peek_char((0x563acd73bee0), _1399010)
   Exit: (217) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _1398076=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (216) [user] classify_and_convert_charseq(['A'], _1362566)
^  Call: (217) [user] classify_and_convert_charseq_(['A'], _1408294)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1409246, _1409248), once(user:catch(read_from_chars(['A'], _1408294), _1409228, fail)), '$restore_trace'(_1409246, _1409248))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1409246, _1409248))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1408294), _1409228, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_1408294)
   Fail: (218) [system] atomic(_1408294)
   Call: (218) [system] atom_chars(_1408294, ['A'])
   Exit: (218) [system] atom_chars('A', ['A'])
^  Exit: (217) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (217) [system] integer('A')
   Fail: (217) [system] integer('A')
   Call: (217) [system] _1362566='A'
   Exit: (217) [system] 'A'='A'
^  Exit: (216) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (215) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (214) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (214) [user] read_list(')', (0x563acd73bee0), _1423244)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1425102)
   Exit: (216) [system] peek_char((0x563acd73bee0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x563acd73bee0), _1434696)
   Exit: (216) [system] get_char((0x563acd73bee0), ' ')
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1437400)
   Exit: (217) [system] peek_char((0x563acd73bee0), 'B')
   Call: (217) [system] 'B'=(;)
   Fail: (217) [system] 'B'=(;)
   Call: (217) [system] 'B'=(/)
   Fail: (217) [system] 'B'=(/)
^  Call: (217) [user] is_like_space('B')
   Call: (218) [system] char_type('B', 'white')
   Fail: (218) [system] char_type('B', 'white')
   Call: (218) [system] char_type('B', end_of_line)
   Fail: (218) [system] char_type('B', end_of_line)
   Call: (218) [system] char_type('B', space)
   Fail: (218) [system] char_type('B', space)
   Call: (218) [system] char_type('B', cntrl)
   Fail: (218) [system] char_type('B', cntrl)
^  Fail: (217) [user] is_like_space('B')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1454334)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'B')
   Call: (215) [system] 'B'=')'
   Fail: (215) [system] 'B'=')'
   Call: (215) [system] 'B'=end_of_file
   Fail: (215) [system] 'B'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x563acd73bee0), _1459904)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1461762)
   Exit: (217) [system] peek_char((0x563acd73bee0), 'B')
   Call: (217) [system] 'B'=(;)
   Fail: (217) [system] 'B'=(;)
   Call: (217) [system] 'B'=(/)
   Fail: (217) [system] 'B'=(/)
^  Call: (217) [user] is_like_space('B')
   Call: (218) [system] char_type('B', 'white')
   Fail: (218) [system] char_type('B', 'white')
   Call: (218) [system] char_type('B', end_of_line)
   Fail: (218) [system] char_type('B', end_of_line)
   Call: (218) [system] char_type('B', space)
   Fail: (218) [system] char_type('B', space)
   Call: (218) [system] char_type('B', cntrl)
   Fail: (218) [system] char_type('B', cntrl)
^  Fail: (217) [user] is_like_space('B')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] get_char((0x563acd73bee0), _1477772)
   Exit: (216) [system] get_char((0x563acd73bee0), 'B')
   Call: (216) [system] 'B'='('
   Fail: (216) [system] 'B'='('
   Call: (216) [system] 'B'='['
   Fail: (216) [system] 'B'='['
   Call: (216) [system] 'B'='{'
   Fail: (216) [system] 'B'='{'
   Call: (216) [system] 'B'='"'
   Fail: (216) [system] 'B'='"'
   Call: (216) [system] 'B'=!
   Fail: (216) [system] 'B'=!
   Call: (216) [system] 'B'='\''
   Fail: (216) [system] 'B'='\''
   Call: (216) [system] 'B'='`'
   Fail: (216) [system] 'B'='`'
   Call: (216) [system] 'B'=end_of_file
   Fail: (216) [system] 'B'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x563acd73bee0), 'B', _1459904)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _1495414)
   Call: (218) [system] peek_char((0x563acd73bee0), _1496348)
   Exit: (218) [system] peek_char((0x563acd73bee0), ')')
^  Call: (218) [user] is_delimiter(')')
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] arg(_1501068, v('(', ')', end_of_file), ')')
   Exit: (219) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (218) [user] is_delimiter(')')
   Call: (218) [system] _1495414=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (217) [user] classify_and_convert_charseq(['B'], _1459904)
^  Call: (218) [user] classify_and_convert_charseq_(['B'], _1507504)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_1508456, _1508458), once(user:catch(read_from_chars(['B'], _1507504), _1508438, fail)), '$restore_trace'(_1508456, _1508458))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_1508456, _1508458))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1507504), _1508438, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_1507504)
   Fail: (219) [system] atomic(_1507504)
   Call: (219) [system] atom_chars(_1507504, ['B'])
   Exit: (219) [system] atom_chars('B', ['B'])
^  Exit: (218) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (218) [system] integer('B')
   Fail: (218) [system] integer('B')
   Call: (218) [system] _1459904='B'
   Exit: (218) [system] 'B'='B'
^  Exit: (217) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (216) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (215) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (215) [user] read_list(')', (0x563acd73bee0), _1522454)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1524312)
   Exit: (217) [system] peek_char((0x563acd73bee0), ')')
   Call: (217) [system] ')'=(;)
   Fail: (217) [system] ')'=(;)
   Call: (217) [system] ')'=(/)
   Fail: (217) [system] ')'=(/)
^  Call: (217) [user] is_like_space(')')
   Call: (218) [system] char_type(')', 'white')
   Fail: (218) [system] char_type(')', 'white')
   Call: (218) [system] char_type(')', end_of_line)
   Fail: (218) [system] char_type(')', end_of_line)
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] char_type(')', cntrl)
   Fail: (218) [system] char_type(')', cntrl)
^  Fail: (217) [user] is_like_space(')')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1540322)
   Exit: (216) [system] peek_char((0x563acd73bee0), ')')
   Call: (216) [system] ')'=')'
   Exit: (216) [system] ')'=')'
   Call: (216) [system] get_char((0x563acd73bee0), _1544112)
   Exit: (216) [system] get_char((0x563acd73bee0), ')')
   Call: (216) [system] _1522454=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_list(')', (0x563acd73bee0), [])
   Call: (215) [system] _1423244=['B']
   Exit: (215) [system] ['B']=['B']
^  Exit: (214) [user] read_list(')', (0x563acd73bee0), ['B'])
   Call: (214) [system] _1325906=['A', 'B']
   Exit: (214) [system] ['A', 'B']=['A', 'B']
^  Exit: (213) [user] read_list(')', (0x563acd73bee0), ['A', 'B'])
   Call: (213) [system] _1119830=['AndLink', 'A', 'B']
   Exit: (213) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (212) [user] read_list(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Exit: (211) [user] cont_sexpr(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Call: (211) [user] read_list(')', (0x563acd73bee0), _1557994)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1559852)
   Exit: (213) [system] peek_char((0x563acd73bee0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x563acd73bee0), _1569446)
   Exit: (213) [system] get_char((0x563acd73bee0), ' ')
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1572150)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'C')
   Call: (214) [system] 'C'=(;)
   Fail: (214) [system] 'C'=(;)
   Call: (214) [system] 'C'=(/)
   Fail: (214) [system] 'C'=(/)
^  Call: (214) [user] is_like_space('C')
   Call: (215) [system] char_type('C', 'white')
   Fail: (215) [system] char_type('C', 'white')
   Call: (215) [system] char_type('C', end_of_line)
   Fail: (215) [system] char_type('C', end_of_line)
   Call: (215) [system] char_type('C', space)
   Fail: (215) [system] char_type('C', space)
   Call: (215) [system] char_type('C', cntrl)
   Fail: (215) [system] char_type('C', cntrl)
^  Fail: (214) [user] is_like_space('C')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1589084)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'C')
   Call: (212) [system] 'C'=')'
   Fail: (212) [system] 'C'=')'
   Call: (212) [system] 'C'=end_of_file
   Fail: (212) [system] 'C'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x563acd73bee0), _1594654)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1596512)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'C')
   Call: (214) [system] 'C'=(;)
   Fail: (214) [system] 'C'=(;)
   Call: (214) [system] 'C'=(/)
   Fail: (214) [system] 'C'=(/)
^  Call: (214) [user] is_like_space('C')
   Call: (215) [system] char_type('C', 'white')
   Fail: (215) [system] char_type('C', 'white')
   Call: (215) [system] char_type('C', end_of_line)
   Fail: (215) [system] char_type('C', end_of_line)
   Call: (215) [system] char_type('C', space)
   Fail: (215) [system] char_type('C', space)
   Call: (215) [system] char_type('C', cntrl)
   Fail: (215) [system] char_type('C', cntrl)
^  Fail: (214) [user] is_like_space('C')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] get_char((0x563acd73bee0), _1612522)
   Exit: (213) [system] get_char((0x563acd73bee0), 'C')
   Call: (213) [system] 'C'='('
   Fail: (213) [system] 'C'='('
   Call: (213) [system] 'C'='['
   Fail: (213) [system] 'C'='['
   Call: (213) [system] 'C'='{'
   Fail: (213) [system] 'C'='{'
   Call: (213) [system] 'C'='"'
   Fail: (213) [system] 'C'='"'
   Call: (213) [system] 'C'=!
   Fail: (213) [system] 'C'=!
   Call: (213) [system] 'C'='\''
   Fail: (213) [system] 'C'='\''
   Call: (213) [system] 'C'='`'
   Fail: (213) [system] 'C'='`'
   Call: (213) [system] 'C'=end_of_file
   Fail: (213) [system] 'C'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x563acd73bee0), 'C', _1594654)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _1630164)
   Call: (215) [system] peek_char((0x563acd73bee0), _1631098)
   Exit: (215) [system] peek_char((0x563acd73bee0), ')')
^  Call: (215) [user] is_delimiter(')')
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] arg(_1635818, v('(', ')', end_of_file), ')')
   Exit: (216) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (215) [user] is_delimiter(')')
   Call: (215) [system] _1630164=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (214) [user] classify_and_convert_charseq(['C'], _1594654)
^  Call: (215) [user] classify_and_convert_charseq_(['C'], _1642254)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_1643206, _1643208), once(user:catch(read_from_chars(['C'], _1642254), _1643188, fail)), '$restore_trace'(_1643206, _1643208))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_1643206, _1643208))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1642254), _1643188, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_1642254)
   Fail: (216) [system] atomic(_1642254)
   Call: (216) [system] atom_chars(_1642254, ['C'])
   Exit: (216) [system] atom_chars('C', ['C'])
^  Exit: (215) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (215) [system] integer('C')
   Fail: (215) [system] integer('C')
   Call: (215) [system] _1594654='C'
   Exit: (215) [system] 'C'='C'
^  Exit: (214) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (213) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (212) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (212) [user] read_list(')', (0x563acd73bee0), _1657204)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1659062)
   Exit: (214) [system] peek_char((0x563acd73bee0), ')')
   Call: (214) [system] ')'=(;)
   Fail: (214) [system] ')'=(;)
   Call: (214) [system] ')'=(/)
   Fail: (214) [system] ')'=(/)
^  Call: (214) [user] is_like_space(')')
   Call: (215) [system] char_type(')', 'white')
   Fail: (215) [system] char_type(')', 'white')
   Call: (215) [system] char_type(')', end_of_line)
   Fail: (215) [system] char_type(')', end_of_line)
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] char_type(')', cntrl)
   Fail: (215) [system] char_type(')', cntrl)
^  Fail: (214) [user] is_like_space(')')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1675072)
   Exit: (213) [system] peek_char((0x563acd73bee0), ')')
   Call: (213) [system] ')'=')'
   Exit: (213) [system] ')'=')'
   Call: (213) [system] get_char((0x563acd73bee0), _1678862)
   Exit: (213) [system] get_char((0x563acd73bee0), ')')
   Call: (213) [system] _1657204=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_list(')', (0x563acd73bee0), [])
   Call: (212) [system] _1557994=['C']
   Exit: (212) [system] ['C']=['C']
^  Exit: (211) [user] read_list(')', (0x563acd73bee0), ['C'])
   Call: (211) [system] _1083170=[['AndLink', 'A', 'B'], 'C']
   Exit: (211) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (210) [user] read_list(')', (0x563acd73bee0), [['AndLink', 'A', 'B'], 'C'])
   Call: (210) [system] _810174=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (210) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (209) [user] read_list(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (208) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (208) [user] read_list(')', (0x563acd73bee0), _1692744)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1694602)
   Exit: (210) [system] peek_char((0x563acd73bee0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x563acd73bee0), _1704196)
   Exit: (210) [system] get_char((0x563acd73bee0), ' ')
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1706900)
   Exit: (211) [system] peek_char((0x563acd73bee0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1723834)
   Exit: (209) [system] peek_char((0x563acd73bee0), '(')
   Call: (209) [system] '('=')'
   Fail: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
   Fail: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x563acd73bee0), _1729404)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1731262)
   Exit: (211) [system] peek_char((0x563acd73bee0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] get_char((0x563acd73bee0), _1747272)
   Exit: (210) [system] get_char((0x563acd73bee0), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x563acd73bee0), _1729404)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1752842)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'O')
   Call: (212) [system] 'O'=(;)
   Fail: (212) [system] 'O'=(;)
   Call: (212) [system] 'O'=(/)
   Fail: (212) [system] 'O'=(/)
^  Call: (212) [user] is_like_space('O')
   Call: (213) [system] char_type('O', 'white')
   Fail: (213) [system] char_type('O', 'white')
   Call: (213) [system] char_type('O', end_of_line)
   Fail: (213) [system] char_type('O', end_of_line)
   Call: (213) [system] char_type('O', space)
   Fail: (213) [system] char_type('O', space)
   Call: (213) [system] char_type('O', cntrl)
   Fail: (213) [system] char_type('O', cntrl)
^  Fail: (212) [user] is_like_space('O')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1768852)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'O')
   Call: (211) [system] 'O'=')'
   Fail: (211) [system] 'O'=')'
   Call: (211) [system] 'O'=end_of_file
   Fail: (211) [system] 'O'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x563acd73bee0), _1774422)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1776280)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'O')
   Call: (213) [system] 'O'=(;)
   Fail: (213) [system] 'O'=(;)
   Call: (213) [system] 'O'=(/)
   Fail: (213) [system] 'O'=(/)
^  Call: (213) [user] is_like_space('O')
   Call: (214) [system] char_type('O', 'white')
   Fail: (214) [system] char_type('O', 'white')
   Call: (214) [system] char_type('O', end_of_line)
   Fail: (214) [system] char_type('O', end_of_line)
   Call: (214) [system] char_type('O', space)
   Fail: (214) [system] char_type('O', space)
   Call: (214) [system] char_type('O', cntrl)
   Fail: (214) [system] char_type('O', cntrl)
^  Fail: (213) [user] is_like_space('O')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] get_char((0x563acd73bee0), _1792290)
   Exit: (212) [system] get_char((0x563acd73bee0), 'O')
   Call: (212) [system] 'O'='('
   Fail: (212) [system] 'O'='('
   Call: (212) [system] 'O'='['
   Fail: (212) [system] 'O'='['
   Call: (212) [system] 'O'='{'
   Fail: (212) [system] 'O'='{'
   Call: (212) [system] 'O'='"'
   Fail: (212) [system] 'O'='"'
   Call: (212) [system] 'O'=!
   Fail: (212) [system] 'O'=!
   Call: (212) [system] 'O'='\''
   Fail: (212) [system] 'O'='\''
   Call: (212) [system] 'O'='`'
   Fail: (212) [system] 'O'='`'
   Call: (212) [system] 'O'=end_of_file
   Fail: (212) [system] 'O'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x563acd73bee0), 'O', _1774422)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _1809932)
   Call: (214) [system] peek_char((0x563acd73bee0), _1810866)
   Exit: (214) [system] peek_char((0x563acd73bee0), r)
^  Call: (214) [user] is_delimiter(r)
   Call: (215) [system] char_type(r, space)
   Fail: (215) [system] char_type(r, space)
   Call: (215) [system] arg(_1815586, v('(', ')', end_of_file), r)
   Fail: (215) [system] arg(_1816518, v('(', ')', end_of_file), r)
^  Fail: (214) [user] is_delimiter(r)
   Call: (214) [system] ')'==r
   Fail: (214) [system] ')'==r
   Call: (214) [system] get_char((0x563acd73bee0), r)
   Exit: (214) [system] get_char((0x563acd73bee0), r)
   Call: (214) [system] r=(\)
   Fail: (214) [system] r=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _1823868)
   Call: (215) [system] peek_char((0x563acd73bee0), _1824802)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (215) [user] is_delimiter('L')
   Call: (216) [system] char_type('L', space)
   Fail: (216) [system] char_type('L', space)
   Call: (216) [system] arg(_1829522, v('(', ')', end_of_file), 'L')
   Fail: (216) [system] arg(_1830454, v('(', ')', end_of_file), 'L')
^  Fail: (215) [user] is_delimiter('L')
   Call: (215) [system] ')'=='L'
   Fail: (215) [system] ')'=='L'
   Call: (215) [system] get_char((0x563acd73bee0), 'L')
   Exit: (215) [system] get_char((0x563acd73bee0), 'L')
   Call: (215) [system] 'L'=(\)
   Fail: (215) [system] 'L'=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _1837804)
   Call: (216) [system] peek_char((0x563acd73bee0), _1838738)
   Exit: (216) [system] peek_char((0x563acd73bee0), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Fail: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_1843458, v('(', ')', end_of_file), i)
   Fail: (217) [system] arg(_1844390, v('(', ')', end_of_file), i)
^  Fail: (216) [user] is_delimiter(i)
   Call: (216) [system] ')'==i
   Fail: (216) [system] ')'==i
   Call: (216) [system] get_char((0x563acd73bee0), i)
   Exit: (216) [system] get_char((0x563acd73bee0), i)
   Call: (216) [system] i=(\)
   Fail: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _1851740)
   Call: (217) [system] peek_char((0x563acd73bee0), _1852674)
   Exit: (217) [system] peek_char((0x563acd73bee0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_1857394, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_1858326, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x563acd73bee0), n)
   Exit: (217) [system] get_char((0x563acd73bee0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _1865676)
   Call: (218) [system] peek_char((0x563acd73bee0), _1866610)
   Exit: (218) [system] peek_char((0x563acd73bee0), k)
^  Call: (218) [user] is_delimiter(k)
   Call: (219) [system] char_type(k, space)
   Fail: (219) [system] char_type(k, space)
   Call: (219) [system] arg(_1871330, v('(', ')', end_of_file), k)
   Fail: (219) [system] arg(_1872262, v('(', ')', end_of_file), k)
^  Fail: (218) [user] is_delimiter(k)
   Call: (218) [system] ')'==k
   Fail: (218) [system] ')'==k
   Call: (218) [system] get_char((0x563acd73bee0), k)
   Exit: (218) [system] get_char((0x563acd73bee0), k)
   Call: (218) [system] k=(\)
   Fail: (218) [system] k=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _1879612)
   Call: (219) [system] peek_char((0x563acd73bee0), _1880546)
   Exit: (219) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _1879612=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (218) [system] _1865676=[k]
   Exit: (218) [system] [k]=[k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (217) [system] _1851740=[n, k]
   Exit: (217) [system] [n, k]=[n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (216) [system] _1837804=[i, n, k]
   Exit: (216) [system] [i, n, k]=[i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (215) [system] _1823868=['L', i, n, k]
   Exit: (215) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (214) [system] _1809932=[r, 'L', i, n, k]
   Exit: (214) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (213) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1774422)
^  Call: (214) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1903800)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1904752, _1904754), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1903800), _1904734, fail)), '$restore_trace'(_1904752, _1904754))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1904752, _1904754))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1903800), _1904734, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_1903800)
   Fail: (215) [system] atomic(_1903800)
   Call: (215) [system] atom_chars(_1903800, ['O', r, 'L', i, n, k])
   Exit: (215) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (214) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (214) [system] integer('OrLink')
   Fail: (214) [system] integer('OrLink')
   Call: (214) [system] _1774422='OrLink'
   Exit: (214) [system] 'OrLink'='OrLink'
^  Exit: (213) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (212) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (211) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (211) [user] read_list(')', (0x563acd73bee0), _1918750)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1920608)
   Exit: (213) [system] peek_char((0x563acd73bee0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x563acd73bee0), _1930202)
   Exit: (213) [system] get_char((0x563acd73bee0), ' ')
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1932906)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'B')
   Call: (214) [system] 'B'=(;)
   Fail: (214) [system] 'B'=(;)
   Call: (214) [system] 'B'=(/)
   Fail: (214) [system] 'B'=(/)
^  Call: (214) [user] is_like_space('B')
   Call: (215) [system] char_type('B', 'white')
   Fail: (215) [system] char_type('B', 'white')
   Call: (215) [system] char_type('B', end_of_line)
   Fail: (215) [system] char_type('B', end_of_line)
   Call: (215) [system] char_type('B', space)
   Fail: (215) [system] char_type('B', space)
   Call: (215) [system] char_type('B', cntrl)
   Fail: (215) [system] char_type('B', cntrl)
^  Fail: (214) [user] is_like_space('B')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1949840)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'B')
   Call: (212) [system] 'B'=')'
   Fail: (212) [system] 'B'=')'
   Call: (212) [system] 'B'=end_of_file
   Fail: (212) [system] 'B'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x563acd73bee0), _1955410)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1957268)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'B')
   Call: (214) [system] 'B'=(;)
   Fail: (214) [system] 'B'=(;)
   Call: (214) [system] 'B'=(/)
   Fail: (214) [system] 'B'=(/)
^  Call: (214) [user] is_like_space('B')
   Call: (215) [system] char_type('B', 'white')
   Fail: (215) [system] char_type('B', 'white')
   Call: (215) [system] char_type('B', end_of_line)
   Fail: (215) [system] char_type('B', end_of_line)
   Call: (215) [system] char_type('B', space)
   Fail: (215) [system] char_type('B', space)
   Call: (215) [system] char_type('B', cntrl)
   Fail: (215) [system] char_type('B', cntrl)
^  Fail: (214) [user] is_like_space('B')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] get_char((0x563acd73bee0), _1973278)
   Exit: (213) [system] get_char((0x563acd73bee0), 'B')
   Call: (213) [system] 'B'='('
   Fail: (213) [system] 'B'='('
   Call: (213) [system] 'B'='['
   Fail: (213) [system] 'B'='['
   Call: (213) [system] 'B'='{'
   Fail: (213) [system] 'B'='{'
   Call: (213) [system] 'B'='"'
   Fail: (213) [system] 'B'='"'
   Call: (213) [system] 'B'=!
   Fail: (213) [system] 'B'=!
   Call: (213) [system] 'B'='\''
   Fail: (213) [system] 'B'='\''
   Call: (213) [system] 'B'='`'
   Fail: (213) [system] 'B'='`'
   Call: (213) [system] 'B'=end_of_file
   Fail: (213) [system] 'B'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x563acd73bee0), 'B', _1955410)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _1990920)
   Call: (215) [system] peek_char((0x563acd73bee0), _1991854)
   Exit: (215) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _1990920=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (214) [user] classify_and_convert_charseq(['B'], _1955410)
^  Call: (215) [user] classify_and_convert_charseq_(['B'], _2001138)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_2002090, _2002092), once(user:catch(read_from_chars(['B'], _2001138), _2002072, fail)), '$restore_trace'(_2002090, _2002092))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_2002090, _2002092))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _2001138), _2002072, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_2001138)
   Fail: (216) [system] atomic(_2001138)
   Call: (216) [system] atom_chars(_2001138, ['B'])
   Exit: (216) [system] atom_chars('B', ['B'])
^  Exit: (215) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (215) [system] integer('B')
   Fail: (215) [system] integer('B')
   Call: (215) [system] _1955410='B'
   Exit: (215) [system] 'B'='B'
^  Exit: (214) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (213) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (212) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (212) [user] read_list(')', (0x563acd73bee0), _2016088)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _2017946)
   Exit: (214) [system] peek_char((0x563acd73bee0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x563acd73bee0), _2027540)
   Exit: (214) [system] get_char((0x563acd73bee0), ' ')
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _2030244)
   Exit: (215) [system] peek_char((0x563acd73bee0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _2047178)
   Exit: (213) [system] peek_char((0x563acd73bee0), '(')
   Call: (213) [system] '('=')'
   Fail: (213) [system] '('=')'
   Call: (213) [system] '('=end_of_file
   Fail: (213) [system] '('=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x563acd73bee0), _2052748)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _2054606)
   Exit: (215) [system] peek_char((0x563acd73bee0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] get_char((0x563acd73bee0), _2070616)
   Exit: (214) [system] get_char((0x563acd73bee0), '(')
   Call: (214) [system] '('='('
   Exit: (214) [system] '('='('
^  Call: (214) [user] read_list(')', (0x563acd73bee0), _2052748)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _2076186)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'I')
   Call: (216) [system] 'I'=(;)
   Fail: (216) [system] 'I'=(;)
   Call: (216) [system] 'I'=(/)
   Fail: (216) [system] 'I'=(/)
^  Call: (216) [user] is_like_space('I')
   Call: (217) [system] char_type('I', 'white')
   Fail: (217) [system] char_type('I', 'white')
   Call: (217) [system] char_type('I', end_of_line)
   Fail: (217) [system] char_type('I', end_of_line)
   Call: (217) [system] char_type('I', space)
   Fail: (217) [system] char_type('I', space)
   Call: (217) [system] char_type('I', cntrl)
   Fail: (217) [system] char_type('I', cntrl)
^  Fail: (216) [user] is_like_space('I')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _2092196)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'I')
   Call: (215) [system] 'I'=')'
   Fail: (215) [system] 'I'=')'
   Call: (215) [system] 'I'=end_of_file
   Fail: (215) [system] 'I'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x563acd73bee0), _5838)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _7696)
   Exit: (217) [system] peek_char((0x563acd73bee0), 'I')
   Call: (217) [system] 'I'=(;)
   Fail: (217) [system] 'I'=(;)
   Call: (217) [system] 'I'=(/)
   Fail: (217) [system] 'I'=(/)
^  Call: (217) [user] is_like_space('I')
   Call: (218) [system] char_type('I', 'white')
   Fail: (218) [system] char_type('I', 'white')
   Call: (218) [system] char_type('I', end_of_line)
   Fail: (218) [system] char_type('I', end_of_line)
   Call: (218) [system] char_type('I', space)
   Fail: (218) [system] char_type('I', space)
   Call: (218) [system] char_type('I', cntrl)
   Fail: (218) [system] char_type('I', cntrl)
^  Fail: (217) [user] is_like_space('I')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] get_char((0x563acd73bee0), _23706)
   Exit: (216) [system] get_char((0x563acd73bee0), 'I')
   Call: (216) [system] 'I'='('
   Fail: (216) [system] 'I'='('
   Call: (216) [system] 'I'='['
   Fail: (216) [system] 'I'='['
   Call: (216) [system] 'I'='{'
   Fail: (216) [system] 'I'='{'
   Call: (216) [system] 'I'='"'
   Fail: (216) [system] 'I'='"'
   Call: (216) [system] 'I'=!
   Fail: (216) [system] 'I'=!
   Call: (216) [system] 'I'='\''
   Fail: (216) [system] 'I'='\''
   Call: (216) [system] 'I'='`'
   Fail: (216) [system] 'I'='`'
   Call: (216) [system] 'I'=end_of_file
   Fail: (216) [system] 'I'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x563acd73bee0), 'I', _5838)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _41348)
   Call: (218) [system] peek_char((0x563acd73bee0), _42282)
   Exit: (218) [system] peek_char((0x563acd73bee0), m)
^  Call: (218) [user] is_delimiter(m)
   Call: (219) [system] char_type(m, space)
   Fail: (219) [system] char_type(m, space)
   Call: (219) [system] arg(_47002, v('(', ')', end_of_file), m)
   Fail: (219) [system] arg(_47934, v('(', ')', end_of_file), m)
^  Fail: (218) [user] is_delimiter(m)
   Call: (218) [system] ')'==m
   Fail: (218) [system] ')'==m
   Call: (218) [system] get_char((0x563acd73bee0), m)
   Exit: (218) [system] get_char((0x563acd73bee0), m)
   Call: (218) [system] m=(\)
   Fail: (218) [system] m=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _55284)
   Call: (219) [system] peek_char((0x563acd73bee0), _56218)
   Exit: (219) [system] peek_char((0x563acd73bee0), p)
^  Call: (219) [user] is_delimiter(p)
   Call: (220) [system] char_type(p, space)
   Fail: (220) [system] char_type(p, space)
   Call: (220) [system] arg(_60938, v('(', ')', end_of_file), p)
   Fail: (220) [system] arg(_61870, v('(', ')', end_of_file), p)
^  Fail: (219) [user] is_delimiter(p)
   Call: (219) [system] ')'==p
   Fail: (219) [system] ')'==p
   Call: (219) [system] get_char((0x563acd73bee0), p)
   Exit: (219) [system] get_char((0x563acd73bee0), p)
   Call: (219) [system] p=(\)
   Fail: (219) [system] p=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _69220)
   Call: (220) [system] peek_char((0x563acd73bee0), _70154)
   Exit: (220) [system] peek_char((0x563acd73bee0), l)
^  Call: (220) [user] is_delimiter(l)
   Call: (221) [system] char_type(l, space)
   Fail: (221) [system] char_type(l, space)
   Call: (221) [system] arg(_74874, v('(', ')', end_of_file), l)
   Fail: (221) [system] arg(_75806, v('(', ')', end_of_file), l)
^  Fail: (220) [user] is_delimiter(l)
   Call: (220) [system] ')'==l
   Fail: (220) [system] ')'==l
   Call: (220) [system] get_char((0x563acd73bee0), l)
   Exit: (220) [system] get_char((0x563acd73bee0), l)
   Call: (220) [system] l=(\)
   Fail: (220) [system] l=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _83156)
   Call: (221) [system] peek_char((0x563acd73bee0), _84090)
   Exit: (221) [system] peek_char((0x563acd73bee0), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_88810, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_89742, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x563acd73bee0), i)
   Exit: (221) [system] get_char((0x563acd73bee0), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _97092)
   Call: (222) [system] peek_char((0x563acd73bee0), _98026)
   Exit: (222) [system] peek_char((0x563acd73bee0), c)
^  Call: (222) [user] is_delimiter(c)
   Call: (223) [system] char_type(c, space)
   Fail: (223) [system] char_type(c, space)
   Call: (223) [system] arg(_102746, v('(', ')', end_of_file), c)
   Fail: (223) [system] arg(_103678, v('(', ')', end_of_file), c)
^  Fail: (222) [user] is_delimiter(c)
   Call: (222) [system] ')'==c
   Fail: (222) [system] ')'==c
   Call: (222) [system] get_char((0x563acd73bee0), c)
   Exit: (222) [system] get_char((0x563acd73bee0), c)
   Call: (222) [system] c=(\)
   Fail: (222) [system] c=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _111028)
   Call: (223) [system] peek_char((0x563acd73bee0), _111962)
   Exit: (223) [system] peek_char((0x563acd73bee0), a)
^  Call: (223) [user] is_delimiter(a)
   Call: (224) [system] char_type(a, space)
   Fail: (224) [system] char_type(a, space)
   Call: (224) [system] arg(_116682, v('(', ')', end_of_file), a)
   Fail: (224) [system] arg(_117614, v('(', ')', end_of_file), a)
^  Fail: (223) [user] is_delimiter(a)
   Call: (223) [system] ')'==a
   Fail: (223) [system] ')'==a
   Call: (223) [system] get_char((0x563acd73bee0), a)
   Exit: (223) [system] get_char((0x563acd73bee0), a)
   Call: (223) [system] a=(\)
   Fail: (223) [system] a=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _124964)
   Call: (224) [system] peek_char((0x563acd73bee0), _125898)
   Exit: (224) [system] peek_char((0x563acd73bee0), t)
^  Call: (224) [user] is_delimiter(t)
   Call: (225) [system] char_type(t, space)
   Fail: (225) [system] char_type(t, space)
   Call: (225) [system] arg(_130618, v('(', ')', end_of_file), t)
   Fail: (225) [system] arg(_131550, v('(', ')', end_of_file), t)
^  Fail: (224) [user] is_delimiter(t)
   Call: (224) [system] ')'==t
   Fail: (224) [system] ')'==t
   Call: (224) [system] get_char((0x563acd73bee0), t)
   Exit: (224) [system] get_char((0x563acd73bee0), t)
   Call: (224) [system] t=(\)
   Fail: (224) [system] t=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _138900)
   Call: (225) [system] peek_char((0x563acd73bee0), _139834)
   Exit: (225) [system] peek_char((0x563acd73bee0), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_144554, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_145486, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x563acd73bee0), i)
   Exit: (225) [system] get_char((0x563acd73bee0), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _152836)
   Call: (226) [system] peek_char((0x563acd73bee0), _153770)
   Exit: (226) [system] peek_char((0x563acd73bee0), o)
^  Call: (226) [user] is_delimiter(o)
   Call: (227) [system] char_type(o, space)
   Fail: (227) [system] char_type(o, space)
   Call: (227) [system] arg(_158490, v('(', ')', end_of_file), o)
   Fail: (227) [system] arg(_159422, v('(', ')', end_of_file), o)
^  Fail: (226) [user] is_delimiter(o)
   Call: (226) [system] ')'==o
   Fail: (226) [system] ')'==o
   Call: (226) [system] get_char((0x563acd73bee0), o)
   Exit: (226) [system] get_char((0x563acd73bee0), o)
   Call: (226) [system] o=(\)
   Fail: (226) [system] o=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _166772)
   Call: (227) [system] peek_char((0x563acd73bee0), _167706)
   Exit: (227) [system] peek_char((0x563acd73bee0), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_172426, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_173358, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x563acd73bee0), n)
   Exit: (227) [system] get_char((0x563acd73bee0), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _180708)
   Call: (228) [system] peek_char((0x563acd73bee0), _181642)
   Exit: (228) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _180708=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (227) [system] _166772=[n]
   Exit: (227) [system] [n]=[n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (226) [system] _152836=[o, n]
   Exit: (226) [system] [o, n]=[o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (225) [system] _138900=[i, o, n]
   Exit: (225) [system] [i, o, n]=[i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (224) [system] _124964=[t, i, o, n]
   Exit: (224) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (223) [system] _111028=[a, t, i, o, n]
   Exit: (223) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (222) [system] _97092=[c, a, t, i, o, n]
   Exit: (222) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (221) [system] _83156=[i, c, a, t, i, o, n]
   Exit: (221) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (220) [system] _69220=[l, i, c, a, t, i, o, n]
   Exit: (220) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (219) [system] _55284=[p, l, i, c, a, t, i, o, n]
   Exit: (219) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (218) [system] _41348=[m, p, l, i, c, a, t, i, o, n]
   Exit: (218) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (217) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _5838)
^  Call: (218) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _218866)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_219818, _219820), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _218866), _219800, fail)), '$restore_trace'(_219818, _219820))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_219818, _219820))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _218866), _219800, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_218866)
   Fail: (219) [system] atomic(_218866)
   Call: (219) [system] atom_chars(_218866, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (219) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (218) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (218) [system] integer('Implication')
   Fail: (218) [system] integer('Implication')
   Call: (218) [system] _5838='Implication'
   Exit: (218) [system] 'Implication'='Implication'
^  Exit: (217) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (216) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (215) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (215) [user] read_list(')', (0x563acd73bee0), _233816)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _235674)
   Exit: (217) [system] peek_char((0x563acd73bee0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x563acd73bee0), _245268)
   Exit: (217) [system] get_char((0x563acd73bee0), ' ')
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _247972)
   Exit: (218) [system] peek_char((0x563acd73bee0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _264906)
   Exit: (216) [system] peek_char((0x563acd73bee0), '(')
   Call: (216) [system] '('=')'
   Fail: (216) [system] '('=')'
   Call: (216) [system] '('=end_of_file
   Fail: (216) [system] '('=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x563acd73bee0), _270476)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _272334)
   Exit: (218) [system] peek_char((0x563acd73bee0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] get_char((0x563acd73bee0), _288344)
   Exit: (217) [system] get_char((0x563acd73bee0), '(')
   Call: (217) [system] '('='('
   Exit: (217) [system] '('='('
^  Call: (217) [user] read_list(')', (0x563acd73bee0), _270476)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _293914)
   Exit: (219) [system] peek_char((0x563acd73bee0), 'A')
   Call: (219) [system] 'A'=(;)
   Fail: (219) [system] 'A'=(;)
   Call: (219) [system] 'A'=(/)
   Fail: (219) [system] 'A'=(/)
^  Call: (219) [user] is_like_space('A')
   Call: (220) [system] char_type('A', 'white')
   Fail: (220) [system] char_type('A', 'white')
   Call: (220) [system] char_type('A', end_of_line)
   Fail: (220) [system] char_type('A', end_of_line)
   Call: (220) [system] char_type('A', space)
   Fail: (220) [system] char_type('A', space)
   Call: (220) [system] char_type('A', cntrl)
   Fail: (220) [system] char_type('A', cntrl)
^  Fail: (219) [user] is_like_space('A')
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _309924)
   Exit: (218) [system] peek_char((0x563acd73bee0), 'A')
   Call: (218) [system] 'A'=')'
   Fail: (218) [system] 'A'=')'
   Call: (218) [system] 'A'=end_of_file
   Fail: (218) [system] 'A'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x563acd73bee0), _315494)
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _317352)
   Exit: (220) [system] peek_char((0x563acd73bee0), 'A')
   Call: (220) [system] 'A'=(;)
   Fail: (220) [system] 'A'=(;)
   Call: (220) [system] 'A'=(/)
   Fail: (220) [system] 'A'=(/)
^  Call: (220) [user] is_like_space('A')
   Call: (221) [system] char_type('A', 'white')
   Fail: (221) [system] char_type('A', 'white')
   Call: (221) [system] char_type('A', end_of_line)
   Fail: (221) [system] char_type('A', end_of_line)
   Call: (221) [system] char_type('A', space)
   Fail: (221) [system] char_type('A', space)
   Call: (221) [system] char_type('A', cntrl)
   Fail: (221) [system] char_type('A', cntrl)
^  Fail: (220) [user] is_like_space('A')
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] get_char((0x563acd73bee0), _333362)
   Exit: (219) [system] get_char((0x563acd73bee0), 'A')
   Call: (219) [system] 'A'='('
   Fail: (219) [system] 'A'='('
   Call: (219) [system] 'A'='['
   Fail: (219) [system] 'A'='['
   Call: (219) [system] 'A'='{'
   Fail: (219) [system] 'A'='{'
   Call: (219) [system] 'A'='"'
   Fail: (219) [system] 'A'='"'
   Call: (219) [system] 'A'=!
   Fail: (219) [system] 'A'=!
   Call: (219) [system] 'A'='\''
   Fail: (219) [system] 'A'='\''
   Call: (219) [system] 'A'='`'
   Fail: (219) [system] 'A'='`'
   Call: (219) [system] 'A'=end_of_file
   Fail: (219) [system] 'A'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x563acd73bee0), 'A', _315494)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _351004)
   Call: (221) [system] peek_char((0x563acd73bee0), _351938)
   Exit: (221) [system] peek_char((0x563acd73bee0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_356658, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_357590, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x563acd73bee0), n)
   Exit: (221) [system] get_char((0x563acd73bee0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _364940)
   Call: (222) [system] peek_char((0x563acd73bee0), _365874)
   Exit: (222) [system] peek_char((0x563acd73bee0), d)
^  Call: (222) [user] is_delimiter(d)
   Call: (223) [system] char_type(d, space)
   Fail: (223) [system] char_type(d, space)
   Call: (223) [system] arg(_370594, v('(', ')', end_of_file), d)
   Fail: (223) [system] arg(_371526, v('(', ')', end_of_file), d)
^  Fail: (222) [user] is_delimiter(d)
   Call: (222) [system] ')'==d
   Fail: (222) [system] ')'==d
   Call: (222) [system] get_char((0x563acd73bee0), d)
   Exit: (222) [system] get_char((0x563acd73bee0), d)
   Call: (222) [system] d=(\)
   Fail: (222) [system] d=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _378876)
   Call: (223) [system] peek_char((0x563acd73bee0), _379810)
   Exit: (223) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (223) [user] is_delimiter('L')
   Call: (224) [system] char_type('L', space)
   Fail: (224) [system] char_type('L', space)
   Call: (224) [system] arg(_384530, v('(', ')', end_of_file), 'L')
   Fail: (224) [system] arg(_385462, v('(', ')', end_of_file), 'L')
^  Fail: (223) [user] is_delimiter('L')
   Call: (223) [system] ')'=='L'
   Fail: (223) [system] ')'=='L'
   Call: (223) [system] get_char((0x563acd73bee0), 'L')
   Exit: (223) [system] get_char((0x563acd73bee0), 'L')
   Call: (223) [system] 'L'=(\)
   Fail: (223) [system] 'L'=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _392812)
   Call: (224) [system] peek_char((0x563acd73bee0), _393746)
   Exit: (224) [system] peek_char((0x563acd73bee0), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Fail: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_398466, v('(', ')', end_of_file), i)
   Fail: (225) [system] arg(_399398, v('(', ')', end_of_file), i)
^  Fail: (224) [user] is_delimiter(i)
   Call: (224) [system] ')'==i
   Fail: (224) [system] ')'==i
   Call: (224) [system] get_char((0x563acd73bee0), i)
   Exit: (224) [system] get_char((0x563acd73bee0), i)
   Call: (224) [system] i=(\)
   Fail: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _406748)
   Call: (225) [system] peek_char((0x563acd73bee0), _407682)
   Exit: (225) [system] peek_char((0x563acd73bee0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_412402, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_413334, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x563acd73bee0), n)
   Exit: (225) [system] get_char((0x563acd73bee0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _420684)
   Call: (226) [system] peek_char((0x563acd73bee0), _421618)
   Exit: (226) [system] peek_char((0x563acd73bee0), k)
^  Call: (226) [user] is_delimiter(k)
   Call: (227) [system] char_type(k, space)
   Fail: (227) [system] char_type(k, space)
   Call: (227) [system] arg(_426338, v('(', ')', end_of_file), k)
   Fail: (227) [system] arg(_427270, v('(', ')', end_of_file), k)
^  Fail: (226) [user] is_delimiter(k)
   Call: (226) [system] ')'==k
   Fail: (226) [system] ')'==k
   Call: (226) [system] get_char((0x563acd73bee0), k)
   Exit: (226) [system] get_char((0x563acd73bee0), k)
   Call: (226) [system] k=(\)
   Fail: (226) [system] k=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _434620)
   Call: (227) [system] peek_char((0x563acd73bee0), _435554)
   Exit: (227) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _434620=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (226) [system] _420684=[k]
   Exit: (226) [system] [k]=[k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (225) [system] _406748=[n, k]
   Exit: (225) [system] [n, k]=[n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (224) [system] _392812=[i, n, k]
   Exit: (224) [system] [i, n, k]=[i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (223) [system] _378876=['L', i, n, k]
   Exit: (223) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (222) [system] _364940=[d, 'L', i, n, k]
   Exit: (222) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, 'L', i, n, k])
   Call: (221) [system] _351004=[n, d, 'L', i, n, k]
   Exit: (221) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, d, 'L', i, n, k])
^  Call: (220) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _315494)
^  Call: (221) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _461602)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_462554, _462556), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _461602), _462536, fail)), '$restore_trace'(_462554, _462556))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_462554, _462556))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _461602), _462536, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_461602)
   Fail: (222) [system] atomic(_461602)
   Call: (222) [system] atom_chars(_461602, ['A', n, d, 'L', i, n, k])
   Exit: (222) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (221) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (221) [system] integer('AndLink')
   Fail: (221) [system] integer('AndLink')
   Call: (221) [system] _315494='AndLink'
   Exit: (221) [system] 'AndLink'='AndLink'
^  Exit: (220) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (219) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'AndLink')
^  Exit: (218) [user] cont_sexpr(')', (0x563acd73bee0), 'AndLink')
^  Call: (218) [user] read_list(')', (0x563acd73bee0), _476552)
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _478410)
   Exit: (220) [system] peek_char((0x563acd73bee0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x563acd73bee0), _488004)
   Exit: (220) [system] get_char((0x563acd73bee0), ' ')
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _490708)
   Exit: (221) [system] peek_char((0x563acd73bee0), 'A')
   Call: (221) [system] 'A'=(;)
   Fail: (221) [system] 'A'=(;)
   Call: (221) [system] 'A'=(/)
   Fail: (221) [system] 'A'=(/)
^  Call: (221) [user] is_like_space('A')
   Call: (222) [system] char_type('A', 'white')
   Fail: (222) [system] char_type('A', 'white')
   Call: (222) [system] char_type('A', end_of_line)
   Fail: (222) [system] char_type('A', end_of_line)
   Call: (222) [system] char_type('A', space)
   Fail: (222) [system] char_type('A', space)
   Call: (222) [system] char_type('A', cntrl)
   Fail: (222) [system] char_type('A', cntrl)
^  Fail: (221) [user] is_like_space('A')
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _507642)
   Exit: (219) [system] peek_char((0x563acd73bee0), 'A')
   Call: (219) [system] 'A'=')'
   Fail: (219) [system] 'A'=')'
   Call: (219) [system] 'A'=end_of_file
   Fail: (219) [system] 'A'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x563acd73bee0), _513212)
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _515070)
   Exit: (221) [system] peek_char((0x563acd73bee0), 'A')
   Call: (221) [system] 'A'=(;)
   Fail: (221) [system] 'A'=(;)
   Call: (221) [system] 'A'=(/)
   Fail: (221) [system] 'A'=(/)
^  Call: (221) [user] is_like_space('A')
   Call: (222) [system] char_type('A', 'white')
   Fail: (222) [system] char_type('A', 'white')
   Call: (222) [system] char_type('A', end_of_line)
   Fail: (222) [system] char_type('A', end_of_line)
   Call: (222) [system] char_type('A', space)
   Fail: (222) [system] char_type('A', space)
   Call: (222) [system] char_type('A', cntrl)
   Fail: (222) [system] char_type('A', cntrl)
^  Fail: (221) [user] is_like_space('A')
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] get_char((0x563acd73bee0), _531080)
   Exit: (220) [system] get_char((0x563acd73bee0), 'A')
   Call: (220) [system] 'A'='('
   Fail: (220) [system] 'A'='('
   Call: (220) [system] 'A'='['
   Fail: (220) [system] 'A'='['
   Call: (220) [system] 'A'='{'
   Fail: (220) [system] 'A'='{'
   Call: (220) [system] 'A'='"'
   Fail: (220) [system] 'A'='"'
   Call: (220) [system] 'A'=!
   Fail: (220) [system] 'A'=!
   Call: (220) [system] 'A'='\''
   Fail: (220) [system] 'A'='\''
   Call: (220) [system] 'A'='`'
   Fail: (220) [system] 'A'='`'
   Call: (220) [system] 'A'=end_of_file
   Fail: (220) [system] 'A'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x563acd73bee0), 'A', _513212)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _548722)
   Call: (222) [system] peek_char((0x563acd73bee0), _549656)
   Exit: (222) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _548722=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (221) [user] classify_and_convert_charseq(['A'], _513212)
^  Call: (222) [user] classify_and_convert_charseq_(['A'], _558940)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_559892, _559894), once(user:catch(read_from_chars(['A'], _558940), _559874, fail)), '$restore_trace'(_559892, _559894))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_559892, _559894))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _558940), _559874, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_558940)
   Fail: (223) [system] atomic(_558940)
   Call: (223) [system] atom_chars(_558940, ['A'])
   Exit: (223) [system] atom_chars('A', ['A'])
^  Exit: (222) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (222) [system] integer('A')
   Fail: (222) [system] integer('A')
   Call: (222) [system] _513212='A'
   Exit: (222) [system] 'A'='A'
^  Exit: (221) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (220) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (219) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (219) [user] read_list(')', (0x563acd73bee0), _573890)
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _575748)
   Exit: (221) [system] peek_char((0x563acd73bee0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x563acd73bee0), _585342)
   Exit: (221) [system] get_char((0x563acd73bee0), ' ')
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _588046)
   Exit: (222) [system] peek_char((0x563acd73bee0), 'B')
   Call: (222) [system] 'B'=(;)
   Fail: (222) [system] 'B'=(;)
   Call: (222) [system] 'B'=(/)
   Fail: (222) [system] 'B'=(/)
^  Call: (222) [user] is_like_space('B')
   Call: (223) [system] char_type('B', 'white')
   Fail: (223) [system] char_type('B', 'white')
   Call: (223) [system] char_type('B', end_of_line)
   Fail: (223) [system] char_type('B', end_of_line)
   Call: (223) [system] char_type('B', space)
   Fail: (223) [system] char_type('B', space)
   Call: (223) [system] char_type('B', cntrl)
   Fail: (223) [system] char_type('B', cntrl)
^  Fail: (222) [user] is_like_space('B')
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _604980)
   Exit: (220) [system] peek_char((0x563acd73bee0), 'B')
   Call: (220) [system] 'B'=')'
   Fail: (220) [system] 'B'=')'
   Call: (220) [system] 'B'=end_of_file
   Fail: (220) [system] 'B'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x563acd73bee0), _610550)
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _612408)
   Exit: (222) [system] peek_char((0x563acd73bee0), 'B')
   Call: (222) [system] 'B'=(;)
   Fail: (222) [system] 'B'=(;)
   Call: (222) [system] 'B'=(/)
   Fail: (222) [system] 'B'=(/)
^  Call: (222) [user] is_like_space('B')
   Call: (223) [system] char_type('B', 'white')
   Fail: (223) [system] char_type('B', 'white')
   Call: (223) [system] char_type('B', end_of_line)
   Fail: (223) [system] char_type('B', end_of_line)
   Call: (223) [system] char_type('B', space)
   Fail: (223) [system] char_type('B', space)
   Call: (223) [system] char_type('B', cntrl)
   Fail: (223) [system] char_type('B', cntrl)
^  Fail: (222) [user] is_like_space('B')
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] get_char((0x563acd73bee0), _628418)
   Exit: (221) [system] get_char((0x563acd73bee0), 'B')
   Call: (221) [system] 'B'='('
   Fail: (221) [system] 'B'='('
   Call: (221) [system] 'B'='['
   Fail: (221) [system] 'B'='['
   Call: (221) [system] 'B'='{'
   Fail: (221) [system] 'B'='{'
   Call: (221) [system] 'B'='"'
   Fail: (221) [system] 'B'='"'
   Call: (221) [system] 'B'=!
   Fail: (221) [system] 'B'=!
   Call: (221) [system] 'B'='\''
   Fail: (221) [system] 'B'='\''
   Call: (221) [system] 'B'='`'
   Fail: (221) [system] 'B'='`'
   Call: (221) [system] 'B'=end_of_file
   Fail: (221) [system] 'B'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x563acd73bee0), 'B', _610550)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _646060)
   Call: (223) [system] peek_char((0x563acd73bee0), _646994)
   Exit: (223) [system] peek_char((0x563acd73bee0), ')')
^  Call: (223) [user] is_delimiter(')')
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] arg(_651714, v('(', ')', end_of_file), ')')
   Exit: (224) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (223) [user] is_delimiter(')')
   Call: (223) [system] _646060=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (222) [user] classify_and_convert_charseq(['B'], _610550)
^  Call: (223) [user] classify_and_convert_charseq_(['B'], _658150)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_659102, _659104), once(user:catch(read_from_chars(['B'], _658150), _659084, fail)), '$restore_trace'(_659102, _659104))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_659102, _659104))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _658150), _659084, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_658150)
   Fail: (224) [system] atomic(_658150)
   Call: (224) [system] atom_chars(_658150, ['B'])
   Exit: (224) [system] atom_chars('B', ['B'])
^  Exit: (223) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (223) [system] integer('B')
   Fail: (223) [system] integer('B')
   Call: (223) [system] _610550='B'
   Exit: (223) [system] 'B'='B'
^  Exit: (222) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (221) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (220) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (220) [user] read_list(')', (0x563acd73bee0), _673100)
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _674958)
   Exit: (222) [system] peek_char((0x563acd73bee0), ')')
   Call: (222) [system] ')'=(;)
   Fail: (222) [system] ')'=(;)
   Call: (222) [system] ')'=(/)
   Fail: (222) [system] ')'=(/)
^  Call: (222) [user] is_like_space(')')
   Call: (223) [system] char_type(')', 'white')
   Fail: (223) [system] char_type(')', 'white')
   Call: (223) [system] char_type(')', end_of_line)
   Fail: (223) [system] char_type(')', end_of_line)
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] char_type(')', cntrl)
   Fail: (223) [system] char_type(')', cntrl)
^  Fail: (222) [user] is_like_space(')')
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _690968)
   Exit: (221) [system] peek_char((0x563acd73bee0), ')')
   Call: (221) [system] ')'=')'
   Exit: (221) [system] ')'=')'
   Call: (221) [system] get_char((0x563acd73bee0), _694758)
   Exit: (221) [system] get_char((0x563acd73bee0), ')')
   Call: (221) [system] _673100=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_list(')', (0x563acd73bee0), [])
   Call: (220) [system] _573890=['B']
   Exit: (220) [system] ['B']=['B']
^  Exit: (219) [user] read_list(')', (0x563acd73bee0), ['B'])
   Call: (219) [system] _476552=['A', 'B']
   Exit: (219) [system] ['A', 'B']=['A', 'B']
^  Exit: (218) [user] read_list(')', (0x563acd73bee0), ['A', 'B'])
   Call: (218) [system] _270476=['AndLink', 'A', 'B']
   Exit: (218) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (217) [user] read_list(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Exit: (216) [user] cont_sexpr(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Call: (216) [user] read_list(')', (0x563acd73bee0), _708640)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _710498)
   Exit: (218) [system] peek_char((0x563acd73bee0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x563acd73bee0), _720092)
   Exit: (218) [system] get_char((0x563acd73bee0), ' ')
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _722796)
   Exit: (219) [system] peek_char((0x563acd73bee0), 'C')
   Call: (219) [system] 'C'=(;)
   Fail: (219) [system] 'C'=(;)
   Call: (219) [system] 'C'=(/)
   Fail: (219) [system] 'C'=(/)
^  Call: (219) [user] is_like_space('C')
   Call: (220) [system] char_type('C', 'white')
   Fail: (220) [system] char_type('C', 'white')
   Call: (220) [system] char_type('C', end_of_line)
   Fail: (220) [system] char_type('C', end_of_line)
   Call: (220) [system] char_type('C', space)
   Fail: (220) [system] char_type('C', space)
   Call: (220) [system] char_type('C', cntrl)
   Fail: (220) [system] char_type('C', cntrl)
^  Fail: (219) [user] is_like_space('C')
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _739730)
   Exit: (217) [system] peek_char((0x563acd73bee0), 'C')
   Call: (217) [system] 'C'=')'
   Fail: (217) [system] 'C'=')'
   Call: (217) [system] 'C'=end_of_file
   Fail: (217) [system] 'C'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x563acd73bee0), _745300)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _747158)
   Exit: (219) [system] peek_char((0x563acd73bee0), 'C')
   Call: (219) [system] 'C'=(;)
   Fail: (219) [system] 'C'=(;)
   Call: (219) [system] 'C'=(/)
   Fail: (219) [system] 'C'=(/)
^  Call: (219) [user] is_like_space('C')
   Call: (220) [system] char_type('C', 'white')
   Fail: (220) [system] char_type('C', 'white')
   Call: (220) [system] char_type('C', end_of_line)
   Fail: (220) [system] char_type('C', end_of_line)
   Call: (220) [system] char_type('C', space)
   Fail: (220) [system] char_type('C', space)
   Call: (220) [system] char_type('C', cntrl)
   Fail: (220) [system] char_type('C', cntrl)
^  Fail: (219) [user] is_like_space('C')
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] get_char((0x563acd73bee0), _763168)
   Exit: (218) [system] get_char((0x563acd73bee0), 'C')
   Call: (218) [system] 'C'='('
   Fail: (218) [system] 'C'='('
   Call: (218) [system] 'C'='['
   Fail: (218) [system] 'C'='['
   Call: (218) [system] 'C'='{'
   Fail: (218) [system] 'C'='{'
   Call: (218) [system] 'C'='"'
   Fail: (218) [system] 'C'='"'
   Call: (218) [system] 'C'=!
   Fail: (218) [system] 'C'=!
   Call: (218) [system] 'C'='\''
   Fail: (218) [system] 'C'='\''
   Call: (218) [system] 'C'='`'
   Fail: (218) [system] 'C'='`'
   Call: (218) [system] 'C'=end_of_file
   Fail: (218) [system] 'C'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x563acd73bee0), 'C', _745300)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _780810)
   Call: (220) [system] peek_char((0x563acd73bee0), _781744)
   Exit: (220) [system] peek_char((0x563acd73bee0), ')')
^  Call: (220) [user] is_delimiter(')')
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] arg(_786464, v('(', ')', end_of_file), ')')
   Exit: (221) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (220) [user] is_delimiter(')')
   Call: (220) [system] _780810=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (219) [user] classify_and_convert_charseq(['C'], _745300)
^  Call: (220) [user] classify_and_convert_charseq_(['C'], _792900)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_793852, _793854), once(user:catch(read_from_chars(['C'], _792900), _793834, fail)), '$restore_trace'(_793852, _793854))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_793852, _793854))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _792900), _793834, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_792900)
   Fail: (221) [system] atomic(_792900)
   Call: (221) [system] atom_chars(_792900, ['C'])
   Exit: (221) [system] atom_chars('C', ['C'])
^  Exit: (220) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (220) [system] integer('C')
   Fail: (220) [system] integer('C')
   Call: (220) [system] _745300='C'
   Exit: (220) [system] 'C'='C'
^  Exit: (219) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (218) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (217) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (217) [user] read_list(')', (0x563acd73bee0), _807850)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _809708)
   Exit: (219) [system] peek_char((0x563acd73bee0), ')')
   Call: (219) [system] ')'=(;)
   Fail: (219) [system] ')'=(;)
   Call: (219) [system] ')'=(/)
   Fail: (219) [system] ')'=(/)
^  Call: (219) [user] is_like_space(')')
   Call: (220) [system] char_type(')', 'white')
   Fail: (220) [system] char_type(')', 'white')
   Call: (220) [system] char_type(')', end_of_line)
   Fail: (220) [system] char_type(')', end_of_line)
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] char_type(')', cntrl)
   Fail: (220) [system] char_type(')', cntrl)
^  Fail: (219) [user] is_like_space(')')
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _825718)
   Exit: (218) [system] peek_char((0x563acd73bee0), ')')
   Call: (218) [system] ')'=')'
   Exit: (218) [system] ')'=')'
   Call: (218) [system] get_char((0x563acd73bee0), _829508)
   Exit: (218) [system] get_char((0x563acd73bee0), ')')
   Call: (218) [system] _807850=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_list(')', (0x563acd73bee0), [])
   Call: (217) [system] _708640=['C']
   Exit: (217) [system] ['C']=['C']
^  Exit: (216) [user] read_list(')', (0x563acd73bee0), ['C'])
   Call: (216) [system] _233816=[['AndLink', 'A', 'B'], 'C']
   Exit: (216) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (215) [user] read_list(')', (0x563acd73bee0), [['AndLink', 'A', 'B'], 'C'])
   Call: (215) [system] _4958=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (215) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (214) [user] read_list(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (213) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (213) [user] read_list(')', (0x563acd73bee0), _843390)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _845248)
   Exit: (215) [system] peek_char((0x563acd73bee0), ')')
   Call: (215) [system] ')'=(;)
   Fail: (215) [system] ')'=(;)
   Call: (215) [system] ')'=(/)
   Fail: (215) [system] ')'=(/)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Fail: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Fail: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
   Fail: (216) [system] char_type(')', cntrl)
^  Fail: (215) [user] is_like_space(')')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _861258)
   Exit: (214) [system] peek_char((0x563acd73bee0), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x563acd73bee0), _865048)
   Exit: (214) [system] get_char((0x563acd73bee0), ')')
   Call: (214) [system] _843390=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x563acd73bee0), [])
   Call: (213) [system] _4954=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (213) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (212) [user] read_list(')', (0x563acd73bee0), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (212) [system] _4948=['B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (212) [system] ['B', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (211) [user] read_list(')', (0x563acd73bee0), ['B', ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (211) [system] _4940=['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (211) [system] ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (210) [user] read_list(')', (0x563acd73bee0), ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (209) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (209) [user] read_list(')', (0x563acd73bee0), _878930)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _880788)
   Exit: (211) [system] peek_char((0x563acd73bee0), ')')
   Call: (211) [system] ')'=(;)
   Fail: (211) [system] ')'=(;)
   Call: (211) [system] ')'=(/)
   Fail: (211) [system] ')'=(/)
^  Call: (211) [user] is_like_space(')')
   Call: (212) [system] char_type(')', 'white')
   Fail: (212) [system] char_type(')', 'white')
   Call: (212) [system] char_type(')', end_of_line)
   Fail: (212) [system] char_type(')', end_of_line)
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] char_type(')', cntrl)
   Fail: (212) [system] char_type(')', cntrl)
^  Fail: (211) [user] is_like_space(')')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _896798)
   Exit: (210) [system] peek_char((0x563acd73bee0), ')')
   Call: (210) [system] ')'=')'
   Exit: (210) [system] ')'=')'
   Call: (210) [system] get_char((0x563acd73bee0), _900588)
   Exit: (210) [system] get_char((0x563acd73bee0), ')')
   Call: (210) [system] _878930=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_list(')', (0x563acd73bee0), [])
   Call: (209) [system] _4936=[['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (209) [system] [['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (208) [user] read_list(')', (0x563acd73bee0), [['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (208) [system] _4894=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (208) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (207) [user] read_list(')', (0x563acd73bee0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (207) [system] _4886=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (207) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (206) [user] read_list(')', (0x563acd73bee0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (205) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (205) [user] read_list(')', (0x563acd73bee0), _914470)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _916328)
   Exit: (207) [system] peek_char((0x563acd73bee0), ')')
   Call: (207) [system] ')'=(;)
   Fail: (207) [system] ')'=(;)
   Call: (207) [system] ')'=(/)
   Fail: (207) [system] ')'=(/)
^  Call: (207) [user] is_like_space(')')
   Call: (208) [system] char_type(')', 'white')
   Fail: (208) [system] char_type(')', 'white')
   Call: (208) [system] char_type(')', end_of_line)
   Fail: (208) [system] char_type(')', end_of_line)
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] char_type(')', cntrl)
   Fail: (208) [system] char_type(')', cntrl)
^  Fail: (207) [user] is_like_space(')')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _932338)
   Exit: (206) [system] peek_char((0x563acd73bee0), ')')
   Call: (206) [system] ')'=')'
   Exit: (206) [system] ')'=')'
   Call: (206) [system] get_char((0x563acd73bee0), _936128)
   Exit: (206) [system] get_char((0x563acd73bee0), ')')
   Call: (206) [system] _914470=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_list(')', (0x563acd73bee0), [])
   Call: (205) [system] _4882=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (205) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (204) [user] read_list(')', (0x563acd73bee0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
   Call: (204) [system] _4840=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (204) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (203) [user] read_list(')', (0x563acd73bee0), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
   Call: (203) [system] _4832=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (203) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (202) [user] read_list(')', (0x563acd73bee0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
^  Exit: (201) [user] cont_sexpr(')', (0x563acd73bee0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
^  Call: (201) [user] read_list(')', (0x563acd73bee0), _950010)
^  Call: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _951868)
   Exit: (203) [system] peek_char((0x563acd73bee0), '\n')
   Call: (203) [system] '\n'=(;)
   Fail: (203) [system] '\n'=(;)
   Call: (203) [system] '\n'=(/)
   Fail: (203) [system] '\n'=(/)
^  Call: (203) [user] is_like_space('\n')
   Call: (204) [system] char_type('\n', 'white')
   Fail: (204) [system] char_type('\n', 'white')
   Call: (204) [system] char_type('\n', end_of_line)
   Exit: (204) [system] char_type('\n', end_of_line)
^  Exit: (203) [user] is_like_space('\n')
   Call: (203) [system] get_char((0x563acd73bee0), _963318)
   Exit: (203) [system] get_char((0x563acd73bee0), '\n')
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _966022)
   Exit: (204) [system] peek_char((0x563acd73bee0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
   Call: (204) [system] ' '=(/)
   Fail: (204) [system] ' '=(/)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x563acd73bee0), _975616)
   Exit: (204) [system] get_char((0x563acd73bee0), ' ')
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _978320)
   Exit: (205) [system] peek_char((0x563acd73bee0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
^  Exit: (202) [user] skip_spaces((0x563acd73bee0))
   Call: (202) [system] peek_char((0x563acd73bee0), _996178)
   Exit: (202) [system] peek_char((0x563acd73bee0), '(')
   Call: (202) [system] '('=')'
   Fail: (202) [system] '('=')'
   Call: (202) [system] '('=end_of_file
   Fail: (202) [system] '('=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x563acd73bee0), _1001748)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1003606)
   Exit: (204) [system] peek_char((0x563acd73bee0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
   Call: (204) [system] '('=(/)
   Fail: (204) [system] '('=(/)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] get_char((0x563acd73bee0), _1019616)
   Exit: (203) [system] get_char((0x563acd73bee0), '(')
   Call: (203) [system] '('='('
   Exit: (203) [system] '('='('
^  Call: (203) [user] read_list(')', (0x563acd73bee0), _1001748)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1025186)
   Exit: (205) [system] peek_char((0x563acd73bee0), :)
   Call: (205) [system] (:)=(;)
   Fail: (205) [system] (:)=(;)
   Call: (205) [system] (:)=(/)
   Fail: (205) [system] (:)=(/)
^  Call: (205) [user] is_like_space(:)
   Call: (206) [system] char_type(:, 'white')
   Fail: (206) [system] char_type(:, 'white')
   Call: (206) [system] char_type(:, end_of_line)
   Fail: (206) [system] char_type(:, end_of_line)
   Call: (206) [system] char_type(:, space)
   Fail: (206) [system] char_type(:, space)
   Call: (206) [system] char_type(:, cntrl)
   Fail: (206) [system] char_type(:, cntrl)
^  Fail: (205) [user] is_like_space(:)
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _1041196)
   Exit: (204) [system] peek_char((0x563acd73bee0), :)
   Call: (204) [system] (:)=')'
   Fail: (204) [system] (:)=')'
   Call: (204) [system] (:)=end_of_file
   Fail: (204) [system] (:)=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x563acd73bee0), _1046766)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1048624)
   Exit: (206) [system] peek_char((0x563acd73bee0), :)
   Call: (206) [system] (:)=(;)
   Fail: (206) [system] (:)=(;)
   Call: (206) [system] (:)=(/)
   Fail: (206) [system] (:)=(/)
^  Call: (206) [user] is_like_space(:)
   Call: (207) [system] char_type(:, 'white')
   Fail: (207) [system] char_type(:, 'white')
   Call: (207) [system] char_type(:, end_of_line)
   Fail: (207) [system] char_type(:, end_of_line)
   Call: (207) [system] char_type(:, space)
   Fail: (207) [system] char_type(:, space)
   Call: (207) [system] char_type(:, cntrl)
   Fail: (207) [system] char_type(:, cntrl)
^  Fail: (206) [user] is_like_space(:)
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] get_char((0x563acd73bee0), _1064634)
   Exit: (205) [system] get_char((0x563acd73bee0), :)
   Call: (205) [system] (:)='('
   Fail: (205) [system] (:)='('
   Call: (205) [system] (:)='['
   Fail: (205) [system] (:)='['
   Call: (205) [system] (:)='{'
   Fail: (205) [system] (:)='{'
   Call: (205) [system] (:)='"'
   Fail: (205) [system] (:)='"'
   Call: (205) [system] (:)=!
   Fail: (205) [system] (:)=!
   Call: (205) [system] (:)='\''
   Fail: (205) [system] (:)='\''
   Call: (205) [system] (:)='`'
   Fail: (205) [system] (:)='`'
   Call: (205) [system] (:)=end_of_file
   Fail: (205) [system] (:)=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x563acd73bee0), :, _1046766)
^  Call: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), _1082276)
   Call: (207) [system] peek_char((0x563acd73bee0), _1083210)
   Exit: (207) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _1082276=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (206) [user] classify_and_convert_charseq([:], _1046766)
^  Call: (207) [user] classify_and_convert_charseq_([:], _1092494)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_1093446, _1093448), once(user:catch(read_from_chars([:], _1092494), _1093428, fail)), '$restore_trace'(_1093446, _1093448))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_1093446, _1093448))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1093428, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(:)
   Exit: (208) [system] atomic(:)
^  Exit: (207) [user] classify_and_convert_charseq_([:], :)
   Call: (207) [system] integer(:)
   Fail: (207) [system] integer(:)
   Call: (207) [system] _1046766=(:)
   Exit: (207) [system] (:)=(:)
^  Exit: (206) [user] classify_and_convert_charseq([:], :)
^  Exit: (205) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (204) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (204) [user] read_list(')', (0x563acd73bee0), _1105574)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1107432)
   Exit: (206) [system] peek_char((0x563acd73bee0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
   Call: (206) [system] ' '=(/)
   Fail: (206) [system] ' '=(/)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x563acd73bee0), _1117026)
   Exit: (206) [system] get_char((0x563acd73bee0), ' ')
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1119730)
   Exit: (207) [system] peek_char((0x563acd73bee0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1136664)
   Exit: (205) [system] peek_char((0x563acd73bee0), '(')
   Call: (205) [system] '('=')'
   Fail: (205) [system] '('=')'
   Call: (205) [system] '('=end_of_file
   Fail: (205) [system] '('=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x563acd73bee0), _1142234)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1144092)
   Exit: (207) [system] peek_char((0x563acd73bee0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] get_char((0x563acd73bee0), _1160102)
   Exit: (206) [system] get_char((0x563acd73bee0), '(')
   Call: (206) [system] '('='('
   Exit: (206) [system] '('='('
^  Call: (206) [user] read_list(')', (0x563acd73bee0), _1142234)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1165672)
   Exit: (208) [system] peek_char((0x563acd73bee0), 'D')
   Call: (208) [system] 'D'=(;)
   Fail: (208) [system] 'D'=(;)
   Call: (208) [system] 'D'=(/)
   Fail: (208) [system] 'D'=(/)
^  Call: (208) [user] is_like_space('D')
   Call: (209) [system] char_type('D', 'white')
   Fail: (209) [system] char_type('D', 'white')
   Call: (209) [system] char_type('D', end_of_line)
   Fail: (209) [system] char_type('D', end_of_line)
   Call: (209) [system] char_type('D', space)
   Fail: (209) [system] char_type('D', space)
   Call: (209) [system] char_type('D', cntrl)
   Fail: (209) [system] char_type('D', cntrl)
^  Fail: (208) [user] is_like_space('D')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1181682)
   Exit: (207) [system] peek_char((0x563acd73bee0), 'D')
   Call: (207) [system] 'D'=')'
   Fail: (207) [system] 'D'=')'
   Call: (207) [system] 'D'=end_of_file
   Fail: (207) [system] 'D'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x563acd73bee0), _1187252)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1189110)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'D')
   Call: (209) [system] 'D'=(;)
   Fail: (209) [system] 'D'=(;)
   Call: (209) [system] 'D'=(/)
   Fail: (209) [system] 'D'=(/)
^  Call: (209) [user] is_like_space('D')
   Call: (210) [system] char_type('D', 'white')
   Fail: (210) [system] char_type('D', 'white')
   Call: (210) [system] char_type('D', end_of_line)
   Fail: (210) [system] char_type('D', end_of_line)
   Call: (210) [system] char_type('D', space)
   Fail: (210) [system] char_type('D', space)
   Call: (210) [system] char_type('D', cntrl)
   Fail: (210) [system] char_type('D', cntrl)
^  Fail: (209) [user] is_like_space('D')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] get_char((0x563acd73bee0), _1205120)
   Exit: (208) [system] get_char((0x563acd73bee0), 'D')
   Call: (208) [system] 'D'='('
   Fail: (208) [system] 'D'='('
   Call: (208) [system] 'D'='['
   Fail: (208) [system] 'D'='['
   Call: (208) [system] 'D'='{'
   Fail: (208) [system] 'D'='{'
   Call: (208) [system] 'D'='"'
   Fail: (208) [system] 'D'='"'
   Call: (208) [system] 'D'=!
   Fail: (208) [system] 'D'=!
   Call: (208) [system] 'D'='\''
   Fail: (208) [system] 'D'='\''
   Call: (208) [system] 'D'='`'
   Fail: (208) [system] 'D'='`'
   Call: (208) [system] 'D'=end_of_file
   Fail: (208) [system] 'D'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x563acd73bee0), 'D', _1187252)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1222762)
   Call: (210) [system] peek_char((0x563acd73bee0), _1223696)
   Exit: (210) [system] peek_char((0x563acd73bee0), i)
^  Call: (210) [user] is_delimiter(i)
   Call: (211) [system] char_type(i, space)
   Fail: (211) [system] char_type(i, space)
   Call: (211) [system] arg(_1228416, v('(', ')', end_of_file), i)
   Fail: (211) [system] arg(_1229348, v('(', ')', end_of_file), i)
^  Fail: (210) [user] is_delimiter(i)
   Call: (210) [system] ')'==i
   Fail: (210) [system] ')'==i
   Call: (210) [system] get_char((0x563acd73bee0), i)
   Exit: (210) [system] get_char((0x563acd73bee0), i)
   Call: (210) [system] i=(\)
   Fail: (210) [system] i=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1236698)
   Call: (211) [system] peek_char((0x563acd73bee0), _1237632)
   Exit: (211) [system] peek_char((0x563acd73bee0), s)
^  Call: (211) [user] is_delimiter(s)
   Call: (212) [system] char_type(s, space)
   Fail: (212) [system] char_type(s, space)
   Call: (212) [system] arg(_1242352, v('(', ')', end_of_file), s)
   Fail: (212) [system] arg(_1243284, v('(', ')', end_of_file), s)
^  Fail: (211) [user] is_delimiter(s)
   Call: (211) [system] ')'==s
   Fail: (211) [system] ')'==s
   Call: (211) [system] get_char((0x563acd73bee0), s)
   Exit: (211) [system] get_char((0x563acd73bee0), s)
   Call: (211) [system] s=(\)
   Fail: (211) [system] s=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1250634)
   Call: (212) [system] peek_char((0x563acd73bee0), _1251568)
   Exit: (212) [system] peek_char((0x563acd73bee0), j)
^  Call: (212) [user] is_delimiter(j)
   Call: (213) [system] char_type(j, space)
   Fail: (213) [system] char_type(j, space)
   Call: (213) [system] arg(_1256288, v('(', ')', end_of_file), j)
   Fail: (213) [system] arg(_1257220, v('(', ')', end_of_file), j)
^  Fail: (212) [user] is_delimiter(j)
   Call: (212) [system] ')'==j
   Fail: (212) [system] ')'==j
   Call: (212) [system] get_char((0x563acd73bee0), j)
   Exit: (212) [system] get_char((0x563acd73bee0), j)
   Call: (212) [system] j=(\)
   Fail: (212) [system] j=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _1264570)
   Call: (213) [system] peek_char((0x563acd73bee0), _1265504)
   Exit: (213) [system] peek_char((0x563acd73bee0), u)
^  Call: (213) [user] is_delimiter(u)
   Call: (214) [system] char_type(u, space)
   Fail: (214) [system] char_type(u, space)
   Call: (214) [system] arg(_1270224, v('(', ')', end_of_file), u)
   Fail: (214) [system] arg(_1271156, v('(', ')', end_of_file), u)
^  Fail: (213) [user] is_delimiter(u)
   Call: (213) [system] ')'==u
   Fail: (213) [system] ')'==u
   Call: (213) [system] get_char((0x563acd73bee0), u)
   Exit: (213) [system] get_char((0x563acd73bee0), u)
   Call: (213) [system] u=(\)
   Fail: (213) [system] u=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _1278506)
   Call: (214) [system] peek_char((0x563acd73bee0), _1279440)
   Exit: (214) [system] peek_char((0x563acd73bee0), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_1284160, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_1285092, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x563acd73bee0), n)
   Exit: (214) [system] get_char((0x563acd73bee0), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _1292442)
   Call: (215) [system] peek_char((0x563acd73bee0), _1293376)
   Exit: (215) [system] peek_char((0x563acd73bee0), c)
^  Call: (215) [user] is_delimiter(c)
   Call: (216) [system] char_type(c, space)
   Fail: (216) [system] char_type(c, space)
   Call: (216) [system] arg(_1298096, v('(', ')', end_of_file), c)
   Fail: (216) [system] arg(_1299028, v('(', ')', end_of_file), c)
^  Fail: (215) [user] is_delimiter(c)
   Call: (215) [system] ')'==c
   Fail: (215) [system] ')'==c
   Call: (215) [system] get_char((0x563acd73bee0), c)
   Exit: (215) [system] get_char((0x563acd73bee0), c)
   Call: (215) [system] c=(\)
   Fail: (215) [system] c=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _1306378)
   Call: (216) [system] peek_char((0x563acd73bee0), _1307312)
   Exit: (216) [system] peek_char((0x563acd73bee0), t)
^  Call: (216) [user] is_delimiter(t)
   Call: (217) [system] char_type(t, space)
   Fail: (217) [system] char_type(t, space)
   Call: (217) [system] arg(_1312032, v('(', ')', end_of_file), t)
   Fail: (217) [system] arg(_1312964, v('(', ')', end_of_file), t)
^  Fail: (216) [user] is_delimiter(t)
   Call: (216) [system] ')'==t
   Fail: (216) [system] ')'==t
   Call: (216) [system] get_char((0x563acd73bee0), t)
   Exit: (216) [system] get_char((0x563acd73bee0), t)
   Call: (216) [system] t=(\)
   Fail: (216) [system] t=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _1320314)
   Call: (217) [system] peek_char((0x563acd73bee0), _1321248)
   Exit: (217) [system] peek_char((0x563acd73bee0), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_1325968, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_1326900, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x563acd73bee0), i)
   Exit: (217) [system] get_char((0x563acd73bee0), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _1334250)
   Call: (218) [system] peek_char((0x563acd73bee0), _1335184)
   Exit: (218) [system] peek_char((0x563acd73bee0), o)
^  Call: (218) [user] is_delimiter(o)
   Call: (219) [system] char_type(o, space)
   Fail: (219) [system] char_type(o, space)
   Call: (219) [system] arg(_1339904, v('(', ')', end_of_file), o)
   Fail: (219) [system] arg(_1340836, v('(', ')', end_of_file), o)
^  Fail: (218) [user] is_delimiter(o)
   Call: (218) [system] ')'==o
   Fail: (218) [system] ')'==o
   Call: (218) [system] get_char((0x563acd73bee0), o)
   Exit: (218) [system] get_char((0x563acd73bee0), o)
   Call: (218) [system] o=(\)
   Fail: (218) [system] o=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _1348186)
   Call: (219) [system] peek_char((0x563acd73bee0), _1349120)
   Exit: (219) [system] peek_char((0x563acd73bee0), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_1353840, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_1354772, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x563acd73bee0), n)
   Exit: (219) [system] get_char((0x563acd73bee0), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _1362122)
   Call: (220) [system] peek_char((0x563acd73bee0), _1363056)
   Exit: (220) [system] peek_char((0x563acd73bee0), 'I')
^  Call: (220) [user] is_delimiter('I')
   Call: (221) [system] char_type('I', space)
   Fail: (221) [system] char_type('I', space)
   Call: (221) [system] arg(_1367776, v('(', ')', end_of_file), 'I')
   Fail: (221) [system] arg(_1368708, v('(', ')', end_of_file), 'I')
^  Fail: (220) [user] is_delimiter('I')
   Call: (220) [system] ')'=='I'
   Fail: (220) [system] ')'=='I'
   Call: (220) [system] get_char((0x563acd73bee0), 'I')
   Exit: (220) [system] get_char((0x563acd73bee0), 'I')
   Call: (220) [system] 'I'=(\)
   Fail: (220) [system] 'I'=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _1376058)
   Call: (221) [system] peek_char((0x563acd73bee0), _1376992)
   Exit: (221) [system] peek_char((0x563acd73bee0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_1381712, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_1382644, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x563acd73bee0), n)
   Exit: (221) [system] get_char((0x563acd73bee0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _1389994)
   Call: (222) [system] peek_char((0x563acd73bee0), _1390928)
   Exit: (222) [system] peek_char((0x563acd73bee0), t)
^  Call: (222) [user] is_delimiter(t)
   Call: (223) [system] char_type(t, space)
   Fail: (223) [system] char_type(t, space)
   Call: (223) [system] arg(_1395648, v('(', ')', end_of_file), t)
   Fail: (223) [system] arg(_1396580, v('(', ')', end_of_file), t)
^  Fail: (222) [user] is_delimiter(t)
   Call: (222) [system] ')'==t
   Fail: (222) [system] ')'==t
   Call: (222) [system] get_char((0x563acd73bee0), t)
   Exit: (222) [system] get_char((0x563acd73bee0), t)
   Call: (222) [system] t=(\)
   Fail: (222) [system] t=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _1403930)
   Call: (223) [system] peek_char((0x563acd73bee0), _1404864)
   Exit: (223) [system] peek_char((0x563acd73bee0), r)
^  Call: (223) [user] is_delimiter(r)
   Call: (224) [system] char_type(r, space)
   Fail: (224) [system] char_type(r, space)
   Call: (224) [system] arg(_1409584, v('(', ')', end_of_file), r)
   Fail: (224) [system] arg(_1410516, v('(', ')', end_of_file), r)
^  Fail: (223) [user] is_delimiter(r)
   Call: (223) [system] ')'==r
   Fail: (223) [system] ')'==r
   Call: (223) [system] get_char((0x563acd73bee0), r)
   Exit: (223) [system] get_char((0x563acd73bee0), r)
   Call: (223) [system] r=(\)
   Fail: (223) [system] r=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _1417866)
   Call: (224) [system] peek_char((0x563acd73bee0), _1418800)
   Exit: (224) [system] peek_char((0x563acd73bee0), o)
^  Call: (224) [user] is_delimiter(o)
   Call: (225) [system] char_type(o, space)
   Fail: (225) [system] char_type(o, space)
   Call: (225) [system] arg(_1423520, v('(', ')', end_of_file), o)
   Fail: (225) [system] arg(_1424452, v('(', ')', end_of_file), o)
^  Fail: (224) [user] is_delimiter(o)
   Call: (224) [system] ')'==o
   Fail: (224) [system] ')'==o
   Call: (224) [system] get_char((0x563acd73bee0), o)
   Exit: (224) [system] get_char((0x563acd73bee0), o)
   Call: (224) [system] o=(\)
   Fail: (224) [system] o=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _1431802)
   Call: (225) [system] peek_char((0x563acd73bee0), _1432736)
   Exit: (225) [system] peek_char((0x563acd73bee0), d)
^  Call: (225) [user] is_delimiter(d)
   Call: (226) [system] char_type(d, space)
   Fail: (226) [system] char_type(d, space)
   Call: (226) [system] arg(_1437456, v('(', ')', end_of_file), d)
   Fail: (226) [system] arg(_1438388, v('(', ')', end_of_file), d)
^  Fail: (225) [user] is_delimiter(d)
   Call: (225) [system] ')'==d
   Fail: (225) [system] ')'==d
   Call: (225) [system] get_char((0x563acd73bee0), d)
   Exit: (225) [system] get_char((0x563acd73bee0), d)
   Call: (225) [system] d=(\)
   Fail: (225) [system] d=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _1445738)
   Call: (226) [system] peek_char((0x563acd73bee0), _1446672)
   Exit: (226) [system] peek_char((0x563acd73bee0), u)
^  Call: (226) [user] is_delimiter(u)
   Call: (227) [system] char_type(u, space)
   Fail: (227) [system] char_type(u, space)
   Call: (227) [system] arg(_1451392, v('(', ')', end_of_file), u)
   Fail: (227) [system] arg(_1452324, v('(', ')', end_of_file), u)
^  Fail: (226) [user] is_delimiter(u)
   Call: (226) [system] ')'==u
   Fail: (226) [system] ')'==u
   Call: (226) [system] get_char((0x563acd73bee0), u)
   Exit: (226) [system] get_char((0x563acd73bee0), u)
   Call: (226) [system] u=(\)
   Fail: (226) [system] u=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _1459674)
   Call: (227) [system] peek_char((0x563acd73bee0), _1460608)
   Exit: (227) [system] peek_char((0x563acd73bee0), c)
^  Call: (227) [user] is_delimiter(c)
   Call: (228) [system] char_type(c, space)
   Fail: (228) [system] char_type(c, space)
   Call: (228) [system] arg(_1465328, v('(', ')', end_of_file), c)
   Fail: (228) [system] arg(_1466260, v('(', ')', end_of_file), c)
^  Fail: (227) [user] is_delimiter(c)
   Call: (227) [system] ')'==c
   Fail: (227) [system] ')'==c
   Call: (227) [system] get_char((0x563acd73bee0), c)
   Exit: (227) [system] get_char((0x563acd73bee0), c)
   Call: (227) [system] c=(\)
   Fail: (227) [system] c=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _1473610)
   Call: (228) [system] peek_char((0x563acd73bee0), _1474544)
   Exit: (228) [system] peek_char((0x563acd73bee0), t)
^  Call: (228) [user] is_delimiter(t)
   Call: (229) [system] char_type(t, space)
   Fail: (229) [system] char_type(t, space)
   Call: (229) [system] arg(_1479264, v('(', ')', end_of_file), t)
   Fail: (229) [system] arg(_1480196, v('(', ')', end_of_file), t)
^  Fail: (228) [user] is_delimiter(t)
   Call: (228) [system] ')'==t
   Fail: (228) [system] ')'==t
   Call: (228) [system] get_char((0x563acd73bee0), t)
   Exit: (228) [system] get_char((0x563acd73bee0), t)
   Call: (228) [system] t=(\)
   Fail: (228) [system] t=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _1487546)
   Call: (229) [system] peek_char((0x563acd73bee0), _1488480)
   Exit: (229) [system] peek_char((0x563acd73bee0), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_1493200, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_1494132, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x563acd73bee0), i)
   Exit: (229) [system] get_char((0x563acd73bee0), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _1501482)
   Call: (230) [system] peek_char((0x563acd73bee0), _1502416)
   Exit: (230) [system] peek_char((0x563acd73bee0), o)
^  Call: (230) [user] is_delimiter(o)
   Call: (231) [system] char_type(o, space)
   Fail: (231) [system] char_type(o, space)
   Call: (231) [system] arg(_1507136, v('(', ')', end_of_file), o)
   Fail: (231) [system] arg(_1508068, v('(', ')', end_of_file), o)
^  Fail: (230) [user] is_delimiter(o)
   Call: (230) [system] ')'==o
   Fail: (230) [system] ')'==o
   Call: (230) [system] get_char((0x563acd73bee0), o)
   Exit: (230) [system] get_char((0x563acd73bee0), o)
   Call: (230) [system] o=(\)
   Fail: (230) [system] o=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _1515418)
   Call: (231) [system] peek_char((0x563acd73bee0), _1516352)
   Exit: (231) [system] peek_char((0x563acd73bee0), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_1521072, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_1522004, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x563acd73bee0), n)
   Exit: (231) [system] get_char((0x563acd73bee0), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _1529354)
   Call: (232) [system] peek_char((0x563acd73bee0), _1530288)
   Exit: (232) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _1529354=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (231) [system] _1515418=[n]
   Exit: (231) [system] [n]=[n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (230) [system] _1501482=[o, n]
   Exit: (230) [system] [o, n]=[o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (229) [system] _1487546=[i, o, n]
   Exit: (229) [system] [i, o, n]=[i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (228) [system] _1473610=[t, i, o, n]
   Exit: (228) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (227) [system] _1459674=[c, t, i, o, n]
   Exit: (227) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n])
   Call: (226) [system] _1445738=[u, c, t, i, o, n]
   Exit: (226) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, i, o, n])
   Call: (225) [system] _1431802=[d, u, c, t, i, o, n]
   Exit: (225) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, u, c, t, i, o, n])
   Call: (224) [system] _1417866=[o, d, u, c, t, i, o, n]
   Exit: (224) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, d, u, c, t, i, o, n])
   Call: (223) [system] _1403930=[r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1389994=[t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1376058=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1362122=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1348186=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1334250=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1320314=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1306378=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1292442=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _1278506=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1264570=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _1250634=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _1236698=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _1222762=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (209) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1187252)
^  Call: (210) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1601040)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1601992, _1601994), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1601040), _1601974, fail)), '$restore_trace'(_1601992, _1601994))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1601992, _1601994))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1601040), _1601974, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_1601040)
   Fail: (211) [system] atomic(_1601040)
   Call: (211) [system] atom_chars(_1601040, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (211) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (210) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (210) [system] integer('DisjunctionIntroduction')
   Fail: (210) [system] integer('DisjunctionIntroduction')
   Call: (210) [system] _1187252='DisjunctionIntroduction'
   Exit: (210) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (209) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (208) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'DisjunctionIntroduction')
^  Exit: (207) [user] cont_sexpr(')', (0x563acd73bee0), 'DisjunctionIntroduction')
^  Call: (207) [user] read_list(')', (0x563acd73bee0), _1615990)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1617848)
   Exit: (209) [system] peek_char((0x563acd73bee0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x563acd73bee0), _1627442)
   Exit: (209) [system] get_char((0x563acd73bee0), ' ')
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1630146)
   Exit: (210) [system] peek_char((0x563acd73bee0), a)
   Call: (210) [system] a=(;)
   Fail: (210) [system] a=(;)
   Call: (210) [system] a=(/)
   Fail: (210) [system] a=(/)
^  Call: (210) [user] is_like_space(a)
   Call: (211) [system] char_type(a, 'white')
   Fail: (211) [system] char_type(a, 'white')
   Call: (211) [system] char_type(a, end_of_line)
   Fail: (211) [system] char_type(a, end_of_line)
   Call: (211) [system] char_type(a, space)
   Fail: (211) [system] char_type(a, space)
   Call: (211) [system] char_type(a, cntrl)
   Fail: (211) [system] char_type(a, cntrl)
^  Fail: (210) [user] is_like_space(a)
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1647080)
   Exit: (208) [system] peek_char((0x563acd73bee0), a)
   Call: (208) [system] a=')'
   Fail: (208) [system] a=')'
   Call: (208) [system] a=end_of_file
   Fail: (208) [system] a=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x563acd73bee0), _1652650)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1654508)
   Exit: (210) [system] peek_char((0x563acd73bee0), a)
   Call: (210) [system] a=(;)
   Fail: (210) [system] a=(;)
   Call: (210) [system] a=(/)
   Fail: (210) [system] a=(/)
^  Call: (210) [user] is_like_space(a)
   Call: (211) [system] char_type(a, 'white')
   Fail: (211) [system] char_type(a, 'white')
   Call: (211) [system] char_type(a, end_of_line)
   Fail: (211) [system] char_type(a, end_of_line)
   Call: (211) [system] char_type(a, space)
   Fail: (211) [system] char_type(a, space)
   Call: (211) [system] char_type(a, cntrl)
   Fail: (211) [system] char_type(a, cntrl)
^  Fail: (210) [user] is_like_space(a)
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] get_char((0x563acd73bee0), _1670518)
   Exit: (209) [system] get_char((0x563acd73bee0), a)
   Call: (209) [system] a='('
   Fail: (209) [system] a='('
   Call: (209) [system] a='['
   Fail: (209) [system] a='['
   Call: (209) [system] a='{'
   Fail: (209) [system] a='{'
   Call: (209) [system] a='"'
   Fail: (209) [system] a='"'
   Call: (209) [system] a=!
   Fail: (209) [system] a=!
   Call: (209) [system] a='\''
   Fail: (209) [system] a='\''
   Call: (209) [system] a='`'
   Fail: (209) [system] a='`'
   Call: (209) [system] a=end_of_file
   Fail: (209) [system] a=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x563acd73bee0), a, _1652650)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1688160)
   Call: (211) [system] peek_char((0x563acd73bee0), _1689094)
   Exit: (211) [system] peek_char((0x563acd73bee0), b)
^  Call: (211) [user] is_delimiter(b)
   Call: (212) [system] char_type(b, space)
   Fail: (212) [system] char_type(b, space)
   Call: (212) [system] arg(_1693814, v('(', ')', end_of_file), b)
   Fail: (212) [system] arg(_1694746, v('(', ')', end_of_file), b)
^  Fail: (211) [user] is_delimiter(b)
   Call: (211) [system] ')'==b
   Fail: (211) [system] ')'==b
   Call: (211) [system] get_char((0x563acd73bee0), b)
   Exit: (211) [system] get_char((0x563acd73bee0), b)
   Call: (211) [system] b=(\)
   Fail: (211) [system] b=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1702096)
   Call: (212) [system] peek_char((0x563acd73bee0), _1703030)
   Exit: (212) [system] peek_char((0x563acd73bee0), c)
^  Call: (212) [user] is_delimiter(c)
   Call: (213) [system] char_type(c, space)
   Fail: (213) [system] char_type(c, space)
   Call: (213) [system] arg(_1707750, v('(', ')', end_of_file), c)
   Fail: (213) [system] arg(_1708682, v('(', ')', end_of_file), c)
^  Fail: (212) [user] is_delimiter(c)
   Call: (212) [system] ')'==c
   Fail: (212) [system] ')'==c
   Call: (212) [system] get_char((0x563acd73bee0), c)
   Exit: (212) [system] get_char((0x563acd73bee0), c)
   Call: (212) [system] c=(\)
   Fail: (212) [system] c=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _1716032)
   Call: (213) [system] peek_char((0x563acd73bee0), _1716966)
   Exit: (213) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (213) [user] is_delimiter(' ')
   Call: (214) [system] char_type(' ', space)
   Exit: (214) [system] char_type(' ', space)
^  Exit: (213) [user] is_delimiter(' ')
   Call: (213) [system] _1716032=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (212) [system] _1702096=[c]
   Exit: (212) [system] [c]=[c]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [c])
   Call: (211) [system] _1688160=[b, c]
   Exit: (211) [system] [b, c]=[b, c]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [b, c])
^  Call: (210) [user] classify_and_convert_charseq([a, b, c], _1652650)
^  Call: (211) [user] classify_and_convert_charseq_([a, b, c], _1731838)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_1732790, _1732792), once(user:catch(read_from_chars([a, b, c], _1731838), _1732772, fail)), '$restore_trace'(_1732790, _1732792))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_1732790, _1732792))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1732772, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(abc)
   Exit: (212) [system] atomic(abc)
^  Exit: (211) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (211) [system] integer(abc)
   Fail: (211) [system] integer(abc)
   Call: (211) [system] _1652650=abc
   Exit: (211) [system] abc=abc
^  Exit: (210) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (209) [user] read_symbolic(')', (0x563acd73bee0), a, abc)
^  Exit: (208) [user] cont_sexpr(')', (0x563acd73bee0), abc)
^  Call: (208) [user] read_list(')', (0x563acd73bee0), _1744918)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1746776)
   Exit: (210) [system] peek_char((0x563acd73bee0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x563acd73bee0), _1756370)
   Exit: (210) [system] get_char((0x563acd73bee0), ' ')
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1759074)
   Exit: (211) [system] peek_char((0x563acd73bee0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1776008)
   Exit: (209) [system] peek_char((0x563acd73bee0), '(')
   Call: (209) [system] '('=')'
   Fail: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
   Fail: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x563acd73bee0), _1781578)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1783436)
   Exit: (211) [system] peek_char((0x563acd73bee0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] get_char((0x563acd73bee0), _1799446)
   Exit: (210) [system] get_char((0x563acd73bee0), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x563acd73bee0), _1781578)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1805016)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'D')
   Call: (212) [system] 'D'=(;)
   Fail: (212) [system] 'D'=(;)
   Call: (212) [system] 'D'=(/)
   Fail: (212) [system] 'D'=(/)
^  Call: (212) [user] is_like_space('D')
   Call: (213) [system] char_type('D', 'white')
   Fail: (213) [system] char_type('D', 'white')
   Call: (213) [system] char_type('D', end_of_line)
   Fail: (213) [system] char_type('D', end_of_line)
   Call: (213) [system] char_type('D', space)
   Fail: (213) [system] char_type('D', space)
   Call: (213) [system] char_type('D', cntrl)
   Fail: (213) [system] char_type('D', cntrl)
^  Fail: (212) [user] is_like_space('D')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1821026)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'D')
   Call: (211) [system] 'D'=')'
   Fail: (211) [system] 'D'=')'
   Call: (211) [system] 'D'=end_of_file
   Fail: (211) [system] 'D'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x563acd73bee0), _1826596)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1828454)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'D')
   Call: (213) [system] 'D'=(;)
   Fail: (213) [system] 'D'=(;)
   Call: (213) [system] 'D'=(/)
   Fail: (213) [system] 'D'=(/)
^  Call: (213) [user] is_like_space('D')
   Call: (214) [system] char_type('D', 'white')
   Fail: (214) [system] char_type('D', 'white')
   Call: (214) [system] char_type('D', end_of_line)
   Fail: (214) [system] char_type('D', end_of_line)
   Call: (214) [system] char_type('D', space)
   Fail: (214) [system] char_type('D', space)
   Call: (214) [system] char_type('D', cntrl)
   Fail: (214) [system] char_type('D', cntrl)
^  Fail: (213) [user] is_like_space('D')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] get_char((0x563acd73bee0), _1844464)
   Exit: (212) [system] get_char((0x563acd73bee0), 'D')
   Call: (212) [system] 'D'='('
   Fail: (212) [system] 'D'='('
   Call: (212) [system] 'D'='['
   Fail: (212) [system] 'D'='['
   Call: (212) [system] 'D'='{'
   Fail: (212) [system] 'D'='{'
   Call: (212) [system] 'D'='"'
   Fail: (212) [system] 'D'='"'
   Call: (212) [system] 'D'=!
   Fail: (212) [system] 'D'=!
   Call: (212) [system] 'D'='\''
   Fail: (212) [system] 'D'='\''
   Call: (212) [system] 'D'='`'
   Fail: (212) [system] 'D'='`'
   Call: (212) [system] 'D'=end_of_file
   Fail: (212) [system] 'D'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x563acd73bee0), 'D', _1826596)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _1862106)
   Call: (214) [system] peek_char((0x563acd73bee0), _1863040)
   Exit: (214) [system] peek_char((0x563acd73bee0), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Fail: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_1867760, v('(', ')', end_of_file), i)
   Fail: (215) [system] arg(_1868692, v('(', ')', end_of_file), i)
^  Fail: (214) [user] is_delimiter(i)
   Call: (214) [system] ')'==i
   Fail: (214) [system] ')'==i
   Call: (214) [system] get_char((0x563acd73bee0), i)
   Exit: (214) [system] get_char((0x563acd73bee0), i)
   Call: (214) [system] i=(\)
   Fail: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _1876042)
   Call: (215) [system] peek_char((0x563acd73bee0), _1876976)
   Exit: (215) [system] peek_char((0x563acd73bee0), s)
^  Call: (215) [user] is_delimiter(s)
   Call: (216) [system] char_type(s, space)
   Fail: (216) [system] char_type(s, space)
   Call: (216) [system] arg(_1881696, v('(', ')', end_of_file), s)
   Fail: (216) [system] arg(_1882628, v('(', ')', end_of_file), s)
^  Fail: (215) [user] is_delimiter(s)
   Call: (215) [system] ')'==s
   Fail: (215) [system] ')'==s
   Call: (215) [system] get_char((0x563acd73bee0), s)
   Exit: (215) [system] get_char((0x563acd73bee0), s)
   Call: (215) [system] s=(\)
   Fail: (215) [system] s=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _1889978)
   Call: (216) [system] peek_char((0x563acd73bee0), _1890912)
   Exit: (216) [system] peek_char((0x563acd73bee0), j)
^  Call: (216) [user] is_delimiter(j)
   Call: (217) [system] char_type(j, space)
   Fail: (217) [system] char_type(j, space)
   Call: (217) [system] arg(_1895632, v('(', ')', end_of_file), j)
   Fail: (217) [system] arg(_1896564, v('(', ')', end_of_file), j)
^  Fail: (216) [user] is_delimiter(j)
   Call: (216) [system] ')'==j
   Fail: (216) [system] ')'==j
   Call: (216) [system] get_char((0x563acd73bee0), j)
   Exit: (216) [system] get_char((0x563acd73bee0), j)
   Call: (216) [system] j=(\)
   Fail: (216) [system] j=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _1903914)
   Call: (217) [system] peek_char((0x563acd73bee0), _1904848)
   Exit: (217) [system] peek_char((0x563acd73bee0), u)
^  Call: (217) [user] is_delimiter(u)
   Call: (218) [system] char_type(u, space)
   Fail: (218) [system] char_type(u, space)
   Call: (218) [system] arg(_1909568, v('(', ')', end_of_file), u)
   Fail: (218) [system] arg(_1910500, v('(', ')', end_of_file), u)
^  Fail: (217) [user] is_delimiter(u)
   Call: (217) [system] ')'==u
   Fail: (217) [system] ')'==u
   Call: (217) [system] get_char((0x563acd73bee0), u)
   Exit: (217) [system] get_char((0x563acd73bee0), u)
   Call: (217) [system] u=(\)
   Fail: (217) [system] u=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _1917850)
   Call: (218) [system] peek_char((0x563acd73bee0), _1918784)
   Exit: (218) [system] peek_char((0x563acd73bee0), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_1923504, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_1924436, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x563acd73bee0), n)
   Exit: (218) [system] get_char((0x563acd73bee0), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _1931786)
   Call: (219) [system] peek_char((0x563acd73bee0), _1932720)
   Exit: (219) [system] peek_char((0x563acd73bee0), c)
^  Call: (219) [user] is_delimiter(c)
   Call: (220) [system] char_type(c, space)
   Fail: (220) [system] char_type(c, space)
   Call: (220) [system] arg(_1937440, v('(', ')', end_of_file), c)
   Fail: (220) [system] arg(_1938372, v('(', ')', end_of_file), c)
^  Fail: (219) [user] is_delimiter(c)
   Call: (219) [system] ')'==c
   Fail: (219) [system] ')'==c
   Call: (219) [system] get_char((0x563acd73bee0), c)
   Exit: (219) [system] get_char((0x563acd73bee0), c)
   Call: (219) [system] c=(\)
   Fail: (219) [system] c=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _1945722)
   Call: (220) [system] peek_char((0x563acd73bee0), _1946656)
   Exit: (220) [system] peek_char((0x563acd73bee0), t)
^  Call: (220) [user] is_delimiter(t)
   Call: (221) [system] char_type(t, space)
   Fail: (221) [system] char_type(t, space)
   Call: (221) [system] arg(_1951376, v('(', ')', end_of_file), t)
   Fail: (221) [system] arg(_1952308, v('(', ')', end_of_file), t)
^  Fail: (220) [user] is_delimiter(t)
   Call: (220) [system] ')'==t
   Fail: (220) [system] ')'==t
   Call: (220) [system] get_char((0x563acd73bee0), t)
   Exit: (220) [system] get_char((0x563acd73bee0), t)
   Call: (220) [system] t=(\)
   Fail: (220) [system] t=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _1959658)
   Call: (221) [system] peek_char((0x563acd73bee0), _1960592)
   Exit: (221) [system] peek_char((0x563acd73bee0), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_1965312, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_1966244, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x563acd73bee0), i)
   Exit: (221) [system] get_char((0x563acd73bee0), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _1973594)
   Call: (222) [system] peek_char((0x563acd73bee0), _1974528)
   Exit: (222) [system] peek_char((0x563acd73bee0), o)
^  Call: (222) [user] is_delimiter(o)
   Call: (223) [system] char_type(o, space)
   Fail: (223) [system] char_type(o, space)
   Call: (223) [system] arg(_1979248, v('(', ')', end_of_file), o)
   Fail: (223) [system] arg(_1980180, v('(', ')', end_of_file), o)
^  Fail: (222) [user] is_delimiter(o)
   Call: (222) [system] ')'==o
   Fail: (222) [system] ')'==o
   Call: (222) [system] get_char((0x563acd73bee0), o)
   Exit: (222) [system] get_char((0x563acd73bee0), o)
   Call: (222) [system] o=(\)
   Fail: (222) [system] o=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _1987530)
   Call: (223) [system] peek_char((0x563acd73bee0), _1988464)
   Exit: (223) [system] peek_char((0x563acd73bee0), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_1993184, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_1994116, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x563acd73bee0), n)
   Exit: (223) [system] get_char((0x563acd73bee0), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _2001466)
   Call: (224) [system] peek_char((0x563acd73bee0), _2002400)
   Exit: (224) [system] peek_char((0x563acd73bee0), 'I')
^  Call: (224) [user] is_delimiter('I')
   Call: (225) [system] char_type('I', space)
   Fail: (225) [system] char_type('I', space)
   Call: (225) [system] arg(_2007120, v('(', ')', end_of_file), 'I')
   Fail: (225) [system] arg(_2008052, v('(', ')', end_of_file), 'I')
^  Fail: (224) [user] is_delimiter('I')
   Call: (224) [system] ')'=='I'
   Fail: (224) [system] ')'=='I'
   Call: (224) [system] get_char((0x563acd73bee0), 'I')
   Exit: (224) [system] get_char((0x563acd73bee0), 'I')
   Call: (224) [system] 'I'=(\)
   Fail: (224) [system] 'I'=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _2015402)
   Call: (225) [system] peek_char((0x563acd73bee0), _2016336)
   Exit: (225) [system] peek_char((0x563acd73bee0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_2021056, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_2021988, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x563acd73bee0), n)
   Exit: (225) [system] get_char((0x563acd73bee0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _2029338)
   Call: (226) [system] peek_char((0x563acd73bee0), _2030272)
   Exit: (226) [system] peek_char((0x563acd73bee0), t)
^  Call: (226) [user] is_delimiter(t)
   Call: (227) [system] char_type(t, space)
   Fail: (227) [system] char_type(t, space)
   Call: (227) [system] arg(_2034992, v('(', ')', end_of_file), t)
   Fail: (227) [system] arg(_2035924, v('(', ')', end_of_file), t)
^  Fail: (226) [user] is_delimiter(t)
   Call: (226) [system] ')'==t
   Fail: (226) [system] ')'==t
   Call: (226) [system] get_char((0x563acd73bee0), t)
   Exit: (226) [system] get_char((0x563acd73bee0), t)
   Call: (226) [system] t=(\)
   Fail: (226) [system] t=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _2043274)
   Call: (227) [system] peek_char((0x563acd73bee0), _2044208)
   Exit: (227) [system] peek_char((0x563acd73bee0), r)
^  Call: (227) [user] is_delimiter(r)
   Call: (228) [system] char_type(r, space)
   Fail: (228) [system] char_type(r, space)
   Call: (228) [system] arg(_2048928, v('(', ')', end_of_file), r)
   Fail: (228) [system] arg(_2049860, v('(', ')', end_of_file), r)
^  Fail: (227) [user] is_delimiter(r)
   Call: (227) [system] ')'==r
   Fail: (227) [system] ')'==r
   Call: (227) [system] get_char((0x563acd73bee0), r)
   Exit: (227) [system] get_char((0x563acd73bee0), r)
   Call: (227) [system] r=(\)
   Fail: (227) [system] r=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _2057210)
   Call: (228) [system] peek_char((0x563acd73bee0), _2058144)
   Exit: (228) [system] peek_char((0x563acd73bee0), o)
^  Call: (228) [user] is_delimiter(o)
   Call: (229) [system] char_type(o, space)
   Fail: (229) [system] char_type(o, space)
   Call: (229) [system] arg(_2062864, v('(', ')', end_of_file), o)
   Fail: (229) [system] arg(_2063796, v('(', ')', end_of_file), o)
^  Fail: (228) [user] is_delimiter(o)
   Call: (228) [system] ')'==o
   Fail: (228) [system] ')'==o
   Call: (228) [system] get_char((0x563acd73bee0), o)
   Exit: (228) [system] get_char((0x563acd73bee0), o)
   Call: (228) [system] o=(\)
   Fail: (228) [system] o=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _2071146)
   Call: (229) [system] peek_char((0x563acd73bee0), _2072080)
   Exit: (229) [system] peek_char((0x563acd73bee0), d)
^  Call: (229) [user] is_delimiter(d)
   Call: (230) [system] char_type(d, space)
   Fail: (230) [system] char_type(d, space)
   Call: (230) [system] arg(_2076800, v('(', ')', end_of_file), d)
   Fail: (230) [system] arg(_2077732, v('(', ')', end_of_file), d)
^  Fail: (229) [user] is_delimiter(d)
   Call: (229) [system] ')'==d
   Fail: (229) [system] ')'==d
   Call: (229) [system] get_char((0x563acd73bee0), d)
   Exit: (229) [system] get_char((0x563acd73bee0), d)
   Call: (229) [system] d=(\)
   Fail: (229) [system] d=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _2085082)
   Call: (230) [system] peek_char((0x563acd73bee0), _2086016)
   Exit: (230) [system] peek_char((0x563acd73bee0), u)
^  Call: (230) [user] is_delimiter(u)
   Call: (231) [system] char_type(u, space)
   Fail: (231) [system] char_type(u, space)
   Call: (231) [system] arg(_2090736, v('(', ')', end_of_file), u)
   Fail: (231) [system] arg(_2091668, v('(', ')', end_of_file), u)
^  Fail: (230) [user] is_delimiter(u)
   Call: (230) [system] ')'==u
   Fail: (230) [system] ')'==u
   Call: (230) [system] get_char((0x563acd73bee0), u)
   Exit: (230) [system] get_char((0x563acd73bee0), u)
   Call: (230) [system] u=(\)
   Fail: (230) [system] u=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _7318)
   Call: (231) [system] peek_char((0x563acd73bee0), _8252)
   Exit: (231) [system] peek_char((0x563acd73bee0), c)
^  Call: (231) [user] is_delimiter(c)
   Call: (232) [system] char_type(c, space)
   Fail: (232) [system] char_type(c, space)
   Call: (232) [system] arg(_12972, v('(', ')', end_of_file), c)
   Fail: (232) [system] arg(_13904, v('(', ')', end_of_file), c)
^  Fail: (231) [user] is_delimiter(c)
   Call: (231) [system] ')'==c
   Fail: (231) [system] ')'==c
   Call: (231) [system] get_char((0x563acd73bee0), c)
   Exit: (231) [system] get_char((0x563acd73bee0), c)
   Call: (231) [system] c=(\)
   Fail: (231) [system] c=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _21254)
   Call: (232) [system] peek_char((0x563acd73bee0), _22188)
   Exit: (232) [system] peek_char((0x563acd73bee0), t)
^  Call: (232) [user] is_delimiter(t)
   Call: (233) [system] char_type(t, space)
   Fail: (233) [system] char_type(t, space)
   Call: (233) [system] arg(_26908, v('(', ')', end_of_file), t)
   Fail: (233) [system] arg(_27840, v('(', ')', end_of_file), t)
^  Fail: (232) [user] is_delimiter(t)
   Call: (232) [system] ')'==t
   Fail: (232) [system] ')'==t
   Call: (232) [system] get_char((0x563acd73bee0), t)
   Exit: (232) [system] get_char((0x563acd73bee0), t)
   Call: (232) [system] t=(\)
   Fail: (232) [system] t=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _35190)
   Call: (233) [system] peek_char((0x563acd73bee0), _36124)
   Exit: (233) [system] peek_char((0x563acd73bee0), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Fail: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_40844, v('(', ')', end_of_file), i)
   Fail: (234) [system] arg(_41776, v('(', ')', end_of_file), i)
^  Fail: (233) [user] is_delimiter(i)
   Call: (233) [system] ')'==i
   Fail: (233) [system] ')'==i
   Call: (233) [system] get_char((0x563acd73bee0), i)
   Exit: (233) [system] get_char((0x563acd73bee0), i)
   Call: (233) [system] i=(\)
   Fail: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), _49126)
   Call: (234) [system] peek_char((0x563acd73bee0), _50060)
   Exit: (234) [system] peek_char((0x563acd73bee0), o)
^  Call: (234) [user] is_delimiter(o)
   Call: (235) [system] char_type(o, space)
   Fail: (235) [system] char_type(o, space)
   Call: (235) [system] arg(_54780, v('(', ')', end_of_file), o)
   Fail: (235) [system] arg(_55712, v('(', ')', end_of_file), o)
^  Fail: (234) [user] is_delimiter(o)
   Call: (234) [system] ')'==o
   Fail: (234) [system] ')'==o
   Call: (234) [system] get_char((0x563acd73bee0), o)
   Exit: (234) [system] get_char((0x563acd73bee0), o)
   Call: (234) [system] o=(\)
   Fail: (234) [system] o=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), _63062)
   Call: (235) [system] peek_char((0x563acd73bee0), _63996)
   Exit: (235) [system] peek_char((0x563acd73bee0), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Fail: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_68716, v('(', ')', end_of_file), n)
   Fail: (236) [system] arg(_69648, v('(', ')', end_of_file), n)
^  Fail: (235) [user] is_delimiter(n)
   Call: (235) [system] ')'==n
   Fail: (235) [system] ')'==n
   Call: (235) [system] get_char((0x563acd73bee0), n)
   Exit: (235) [system] get_char((0x563acd73bee0), n)
   Call: (235) [system] n=(\)
   Fail: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), _76998)
   Call: (236) [system] peek_char((0x563acd73bee0), _77932)
   Exit: (236) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (236) [user] is_delimiter(' ')
   Call: (237) [system] char_type(' ', space)
   Exit: (237) [system] char_type(' ', space)
^  Exit: (236) [user] is_delimiter(' ')
   Call: (236) [system] _76998=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (235) [system] _63062=[n]
   Exit: (235) [system] [n]=[n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (234) [system] _49126=[o, n]
   Exit: (234) [system] [o, n]=[o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (233) [system] _35190=[i, o, n]
   Exit: (233) [system] [i, o, n]=[i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (232) [system] _21254=[t, i, o, n]
   Exit: (232) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (231) [system] _7318=[c, t, i, o, n]
   Exit: (231) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n])
   Call: (230) [system] _5104=[u, c, t, i, o, n]
   Exit: (230) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, i, o, n])
   Call: (229) [system] _5100=[d, u, c, t, i, o, n]
   Exit: (229) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, u, c, t, i, o, n])
   Call: (228) [system] _5096=[o, d, u, c, t, i, o, n]
   Exit: (228) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, d, u, c, t, i, o, n])
   Call: (227) [system] _5092=[r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _5088=[t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _5084=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _5080=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _5076=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _5072=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _5068=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _5064=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _5060=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _5056=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _5052=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _5048=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _5044=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _5040=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (213) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _5036)
^  Call: (214) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _148684)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_149636, _149638), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _148684), _149618, fail)), '$restore_trace'(_149636, _149638))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_149636, _149638))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _148684), _149618, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_148684)
   Fail: (215) [system] atomic(_148684)
   Call: (215) [system] atom_chars(_148684, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (215) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (214) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (214) [system] integer('DisjunctionIntroduction')
   Fail: (214) [system] integer('DisjunctionIntroduction')
   Call: (214) [system] _5036='DisjunctionIntroduction'
   Exit: (214) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (213) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (212) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'DisjunctionIntroduction')
^  Exit: (211) [user] cont_sexpr(')', (0x563acd73bee0), 'DisjunctionIntroduction')
^  Call: (211) [user] read_list(')', (0x563acd73bee0), _163634)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _165492)
   Exit: (213) [system] peek_char((0x563acd73bee0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x563acd73bee0), _175086)
   Exit: (213) [system] get_char((0x563acd73bee0), ' ')
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _177790)
   Exit: (214) [system] peek_char((0x563acd73bee0), a)
   Call: (214) [system] a=(;)
   Fail: (214) [system] a=(;)
   Call: (214) [system] a=(/)
   Fail: (214) [system] a=(/)
^  Call: (214) [user] is_like_space(a)
   Call: (215) [system] char_type(a, 'white')
   Fail: (215) [system] char_type(a, 'white')
   Call: (215) [system] char_type(a, end_of_line)
   Fail: (215) [system] char_type(a, end_of_line)
   Call: (215) [system] char_type(a, space)
   Fail: (215) [system] char_type(a, space)
   Call: (215) [system] char_type(a, cntrl)
   Fail: (215) [system] char_type(a, cntrl)
^  Fail: (214) [user] is_like_space(a)
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _194724)
   Exit: (212) [system] peek_char((0x563acd73bee0), a)
   Call: (212) [system] a=')'
   Fail: (212) [system] a=')'
   Call: (212) [system] a=end_of_file
   Fail: (212) [system] a=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x563acd73bee0), _200294)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _202152)
   Exit: (214) [system] peek_char((0x563acd73bee0), a)
   Call: (214) [system] a=(;)
   Fail: (214) [system] a=(;)
   Call: (214) [system] a=(/)
   Fail: (214) [system] a=(/)
^  Call: (214) [user] is_like_space(a)
   Call: (215) [system] char_type(a, 'white')
   Fail: (215) [system] char_type(a, 'white')
   Call: (215) [system] char_type(a, end_of_line)
   Fail: (215) [system] char_type(a, end_of_line)
   Call: (215) [system] char_type(a, space)
   Fail: (215) [system] char_type(a, space)
   Call: (215) [system] char_type(a, cntrl)
   Fail: (215) [system] char_type(a, cntrl)
^  Fail: (214) [user] is_like_space(a)
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] get_char((0x563acd73bee0), _218162)
   Exit: (213) [system] get_char((0x563acd73bee0), a)
   Call: (213) [system] a='('
   Fail: (213) [system] a='('
   Call: (213) [system] a='['
   Fail: (213) [system] a='['
   Call: (213) [system] a='{'
   Fail: (213) [system] a='{'
   Call: (213) [system] a='"'
   Fail: (213) [system] a='"'
   Call: (213) [system] a=!
   Fail: (213) [system] a=!
   Call: (213) [system] a='\''
   Fail: (213) [system] a='\''
   Call: (213) [system] a='`'
   Fail: (213) [system] a='`'
   Call: (213) [system] a=end_of_file
   Fail: (213) [system] a=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x563acd73bee0), a, _200294)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _235804)
   Call: (215) [system] peek_char((0x563acd73bee0), _236738)
   Exit: (215) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _235804=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (214) [user] classify_and_convert_charseq([a], _200294)
^  Call: (215) [user] classify_and_convert_charseq_([a], _246022)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_246974, _246976), once(user:catch(read_from_chars([a], _246022), _246956, fail)), '$restore_trace'(_246974, _246976))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_246974, _246976))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _246956, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(a)
   Exit: (216) [system] atomic(a)
^  Exit: (215) [user] classify_and_convert_charseq_([a], a)
   Call: (215) [system] integer(a)
   Fail: (215) [system] integer(a)
   Call: (215) [system] _200294=a
   Exit: (215) [system] a=a
^  Exit: (214) [user] classify_and_convert_charseq([a], a)
^  Exit: (213) [user] read_symbolic(')', (0x563acd73bee0), a, a)
^  Exit: (212) [user] cont_sexpr(')', (0x563acd73bee0), a)
^  Call: (212) [user] read_list(')', (0x563acd73bee0), _259102)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _260960)
   Exit: (214) [system] peek_char((0x563acd73bee0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x563acd73bee0), _270554)
   Exit: (214) [system] get_char((0x563acd73bee0), ' ')
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _273258)
   Exit: (215) [system] peek_char((0x563acd73bee0), a)
   Call: (215) [system] a=(;)
   Fail: (215) [system] a=(;)
   Call: (215) [system] a=(/)
   Fail: (215) [system] a=(/)
^  Call: (215) [user] is_like_space(a)
   Call: (216) [system] char_type(a, 'white')
   Fail: (216) [system] char_type(a, 'white')
   Call: (216) [system] char_type(a, end_of_line)
   Fail: (216) [system] char_type(a, end_of_line)
   Call: (216) [system] char_type(a, space)
   Fail: (216) [system] char_type(a, space)
   Call: (216) [system] char_type(a, cntrl)
   Fail: (216) [system] char_type(a, cntrl)
^  Fail: (215) [user] is_like_space(a)
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _290192)
   Exit: (213) [system] peek_char((0x563acd73bee0), a)
   Call: (213) [system] a=')'
   Fail: (213) [system] a=')'
   Call: (213) [system] a=end_of_file
   Fail: (213) [system] a=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x563acd73bee0), _295762)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _297620)
   Exit: (215) [system] peek_char((0x563acd73bee0), a)
   Call: (215) [system] a=(;)
   Fail: (215) [system] a=(;)
   Call: (215) [system] a=(/)
   Fail: (215) [system] a=(/)
^  Call: (215) [user] is_like_space(a)
   Call: (216) [system] char_type(a, 'white')
   Fail: (216) [system] char_type(a, 'white')
   Call: (216) [system] char_type(a, end_of_line)
   Fail: (216) [system] char_type(a, end_of_line)
   Call: (216) [system] char_type(a, space)
   Fail: (216) [system] char_type(a, space)
   Call: (216) [system] char_type(a, cntrl)
   Fail: (216) [system] char_type(a, cntrl)
^  Fail: (215) [user] is_like_space(a)
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] get_char((0x563acd73bee0), _313630)
   Exit: (214) [system] get_char((0x563acd73bee0), a)
   Call: (214) [system] a='('
   Fail: (214) [system] a='('
   Call: (214) [system] a='['
   Fail: (214) [system] a='['
   Call: (214) [system] a='{'
   Fail: (214) [system] a='{'
   Call: (214) [system] a='"'
   Fail: (214) [system] a='"'
   Call: (214) [system] a=!
   Fail: (214) [system] a=!
   Call: (214) [system] a='\''
   Fail: (214) [system] a='\''
   Call: (214) [system] a='`'
   Fail: (214) [system] a='`'
   Call: (214) [system] a=end_of_file
   Fail: (214) [system] a=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x563acd73bee0), a, _295762)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _331272)
   Call: (216) [system] peek_char((0x563acd73bee0), _332206)
   Exit: (216) [system] peek_char((0x563acd73bee0), ')')
^  Call: (216) [user] is_delimiter(')')
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] arg(_336926, v('(', ')', end_of_file), ')')
   Exit: (217) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (216) [user] is_delimiter(')')
   Call: (216) [system] _331272=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (215) [user] classify_and_convert_charseq([a], _295762)
^  Call: (216) [user] classify_and_convert_charseq_([a], _343362)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_344314, _344316), once(user:catch(read_from_chars([a], _343362), _344296, fail)), '$restore_trace'(_344314, _344316))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_344314, _344316))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _344296, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(a)
   Exit: (217) [system] atomic(a)
^  Exit: (216) [user] classify_and_convert_charseq_([a], a)
   Call: (216) [system] integer(a)
   Fail: (216) [system] integer(a)
   Call: (216) [system] _295762=a
   Exit: (216) [system] a=a
^  Exit: (215) [user] classify_and_convert_charseq([a], a)
^  Exit: (214) [user] read_symbolic(')', (0x563acd73bee0), a, a)
^  Exit: (213) [user] cont_sexpr(')', (0x563acd73bee0), a)
^  Call: (213) [user] read_list(')', (0x563acd73bee0), _356442)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _358300)
   Exit: (215) [system] peek_char((0x563acd73bee0), ')')
   Call: (215) [system] ')'=(;)
   Fail: (215) [system] ')'=(;)
   Call: (215) [system] ')'=(/)
   Fail: (215) [system] ')'=(/)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Fail: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Fail: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
   Fail: (216) [system] char_type(')', cntrl)
^  Fail: (215) [user] is_like_space(')')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _374310)
   Exit: (214) [system] peek_char((0x563acd73bee0), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x563acd73bee0), _378100)
   Exit: (214) [system] get_char((0x563acd73bee0), ')')
   Call: (214) [system] _356442=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x563acd73bee0), [])
   Call: (213) [system] _259102=[a]
   Exit: (213) [system] [a]=[a]
^  Exit: (212) [user] read_list(')', (0x563acd73bee0), [a])
   Call: (212) [system] _163634=[a, a]
   Exit: (212) [system] [a, a]=[a, a]
^  Exit: (211) [user] read_list(')', (0x563acd73bee0), [a, a])
   Call: (211) [system] _5030=['DisjunctionIntroduction', a, a]
   Exit: (211) [system] ['DisjunctionIntroduction', a, a]=['DisjunctionIntroduction', a, a]
^  Exit: (210) [user] read_list(')', (0x563acd73bee0), ['DisjunctionIntroduction', a, a])
^  Exit: (209) [user] cont_sexpr(')', (0x563acd73bee0), ['DisjunctionIntroduction', a, a])
^  Call: (209) [user] read_list(')', (0x563acd73bee0), _391982)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _393840)
   Exit: (211) [system] peek_char((0x563acd73bee0), ')')
   Call: (211) [system] ')'=(;)
   Fail: (211) [system] ')'=(;)
   Call: (211) [system] ')'=(/)
   Fail: (211) [system] ')'=(/)
^  Call: (211) [user] is_like_space(')')
   Call: (212) [system] char_type(')', 'white')
   Fail: (212) [system] char_type(')', 'white')
   Call: (212) [system] char_type(')', end_of_line)
   Fail: (212) [system] char_type(')', end_of_line)
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] char_type(')', cntrl)
   Fail: (212) [system] char_type(')', cntrl)
^  Fail: (211) [user] is_like_space(')')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _409850)
   Exit: (210) [system] peek_char((0x563acd73bee0), ')')
   Call: (210) [system] ')'=')'
   Exit: (210) [system] ')'=')'
   Call: (210) [system] get_char((0x563acd73bee0), _413640)
   Exit: (210) [system] get_char((0x563acd73bee0), ')')
   Call: (210) [system] _391982=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_list(')', (0x563acd73bee0), [])
   Call: (209) [system] _5026=[['DisjunctionIntroduction', a, a]]
   Exit: (209) [system] [['DisjunctionIntroduction', a, a]]=[['DisjunctionIntroduction', a, a]]
^  Exit: (208) [user] read_list(')', (0x563acd73bee0), [['DisjunctionIntroduction', a, a]])
   Call: (208) [system] _5020=[abc, ['DisjunctionIntroduction', a, a]]
   Exit: (208) [system] [abc, ['DisjunctionIntroduction', a, a]]=[abc, ['DisjunctionIntroduction', a, a]]
^  Exit: (207) [user] read_list(')', (0x563acd73bee0), [abc, ['DisjunctionIntroduction', a, a]])
   Call: (207) [system] _5012=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]]
   Exit: (207) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]]
^  Exit: (206) [user] read_list(')', (0x563acd73bee0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]])
^  Exit: (205) [user] cont_sexpr(')', (0x563acd73bee0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]])
^  Call: (205) [user] read_list(')', (0x563acd73bee0), _427522)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _429380)
   Exit: (207) [system] peek_char((0x563acd73bee0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
   Call: (207) [system] ' '=(/)
   Fail: (207) [system] ' '=(/)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x563acd73bee0), _438974)
   Exit: (207) [system] get_char((0x563acd73bee0), ' ')
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _441678)
   Exit: (208) [system] peek_char((0x563acd73bee0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _458612)
   Exit: (206) [system] peek_char((0x563acd73bee0), '(')
   Call: (206) [system] '('=')'
   Fail: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
   Fail: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x563acd73bee0), _464182)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _466040)
   Exit: (208) [system] peek_char((0x563acd73bee0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] get_char((0x563acd73bee0), _482050)
   Exit: (207) [system] get_char((0x563acd73bee0), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x563acd73bee0), _464182)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _487620)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'O')
   Call: (209) [system] 'O'=(;)
   Fail: (209) [system] 'O'=(;)
   Call: (209) [system] 'O'=(/)
   Fail: (209) [system] 'O'=(/)
^  Call: (209) [user] is_like_space('O')
   Call: (210) [system] char_type('O', 'white')
   Fail: (210) [system] char_type('O', 'white')
   Call: (210) [system] char_type('O', end_of_line)
   Fail: (210) [system] char_type('O', end_of_line)
   Call: (210) [system] char_type('O', space)
   Fail: (210) [system] char_type('O', space)
   Call: (210) [system] char_type('O', cntrl)
   Fail: (210) [system] char_type('O', cntrl)
^  Fail: (209) [user] is_like_space('O')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _503630)
   Exit: (208) [system] peek_char((0x563acd73bee0), 'O')
   Call: (208) [system] 'O'=')'
   Fail: (208) [system] 'O'=')'
   Call: (208) [system] 'O'=end_of_file
   Fail: (208) [system] 'O'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x563acd73bee0), _509200)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _511058)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'O')
   Call: (210) [system] 'O'=(;)
   Fail: (210) [system] 'O'=(;)
   Call: (210) [system] 'O'=(/)
   Fail: (210) [system] 'O'=(/)
^  Call: (210) [user] is_like_space('O')
   Call: (211) [system] char_type('O', 'white')
   Fail: (211) [system] char_type('O', 'white')
   Call: (211) [system] char_type('O', end_of_line)
   Fail: (211) [system] char_type('O', end_of_line)
   Call: (211) [system] char_type('O', space)
   Fail: (211) [system] char_type('O', space)
   Call: (211) [system] char_type('O', cntrl)
   Fail: (211) [system] char_type('O', cntrl)
^  Fail: (210) [user] is_like_space('O')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] get_char((0x563acd73bee0), _527068)
   Exit: (209) [system] get_char((0x563acd73bee0), 'O')
   Call: (209) [system] 'O'='('
   Fail: (209) [system] 'O'='('
   Call: (209) [system] 'O'='['
   Fail: (209) [system] 'O'='['
   Call: (209) [system] 'O'='{'
   Fail: (209) [system] 'O'='{'
   Call: (209) [system] 'O'='"'
   Fail: (209) [system] 'O'='"'
   Call: (209) [system] 'O'=!
   Fail: (209) [system] 'O'=!
   Call: (209) [system] 'O'='\''
   Fail: (209) [system] 'O'='\''
   Call: (209) [system] 'O'='`'
   Fail: (209) [system] 'O'='`'
   Call: (209) [system] 'O'=end_of_file
   Fail: (209) [system] 'O'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x563acd73bee0), 'O', _509200)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _544710)
   Call: (211) [system] peek_char((0x563acd73bee0), _545644)
   Exit: (211) [system] peek_char((0x563acd73bee0), r)
^  Call: (211) [user] is_delimiter(r)
   Call: (212) [system] char_type(r, space)
   Fail: (212) [system] char_type(r, space)
   Call: (212) [system] arg(_550364, v('(', ')', end_of_file), r)
   Fail: (212) [system] arg(_551296, v('(', ')', end_of_file), r)
^  Fail: (211) [user] is_delimiter(r)
   Call: (211) [system] ')'==r
   Fail: (211) [system] ')'==r
   Call: (211) [system] get_char((0x563acd73bee0), r)
   Exit: (211) [system] get_char((0x563acd73bee0), r)
   Call: (211) [system] r=(\)
   Fail: (211) [system] r=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _558646)
   Call: (212) [system] peek_char((0x563acd73bee0), _559580)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (212) [user] is_delimiter('L')
   Call: (213) [system] char_type('L', space)
   Fail: (213) [system] char_type('L', space)
   Call: (213) [system] arg(_564300, v('(', ')', end_of_file), 'L')
   Fail: (213) [system] arg(_565232, v('(', ')', end_of_file), 'L')
^  Fail: (212) [user] is_delimiter('L')
   Call: (212) [system] ')'=='L'
   Fail: (212) [system] ')'=='L'
   Call: (212) [system] get_char((0x563acd73bee0), 'L')
   Exit: (212) [system] get_char((0x563acd73bee0), 'L')
   Call: (212) [system] 'L'=(\)
   Fail: (212) [system] 'L'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _572582)
   Call: (213) [system] peek_char((0x563acd73bee0), _573516)
   Exit: (213) [system] peek_char((0x563acd73bee0), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Fail: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_578236, v('(', ')', end_of_file), i)
   Fail: (214) [system] arg(_579168, v('(', ')', end_of_file), i)
^  Fail: (213) [user] is_delimiter(i)
   Call: (213) [system] ')'==i
   Fail: (213) [system] ')'==i
   Call: (213) [system] get_char((0x563acd73bee0), i)
   Exit: (213) [system] get_char((0x563acd73bee0), i)
   Call: (213) [system] i=(\)
   Fail: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _586518)
   Call: (214) [system] peek_char((0x563acd73bee0), _587452)
   Exit: (214) [system] peek_char((0x563acd73bee0), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_592172, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_593104, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x563acd73bee0), n)
   Exit: (214) [system] get_char((0x563acd73bee0), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _600454)
   Call: (215) [system] peek_char((0x563acd73bee0), _601388)
   Exit: (215) [system] peek_char((0x563acd73bee0), k)
^  Call: (215) [user] is_delimiter(k)
   Call: (216) [system] char_type(k, space)
   Fail: (216) [system] char_type(k, space)
   Call: (216) [system] arg(_606108, v('(', ')', end_of_file), k)
   Fail: (216) [system] arg(_607040, v('(', ')', end_of_file), k)
^  Fail: (215) [user] is_delimiter(k)
   Call: (215) [system] ')'==k
   Fail: (215) [system] ')'==k
   Call: (215) [system] get_char((0x563acd73bee0), k)
   Exit: (215) [system] get_char((0x563acd73bee0), k)
   Call: (215) [system] k=(\)
   Fail: (215) [system] k=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _614390)
   Call: (216) [system] peek_char((0x563acd73bee0), _615324)
   Exit: (216) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _614390=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (215) [system] _600454=[k]
   Exit: (215) [system] [k]=[k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (214) [system] _586518=[n, k]
   Exit: (214) [system] [n, k]=[n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (213) [system] _572582=[i, n, k]
   Exit: (213) [system] [i, n, k]=[i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (212) [system] _558646=['L', i, n, k]
   Exit: (212) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (211) [system] _544710=[r, 'L', i, n, k]
   Exit: (211) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (210) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _509200)
^  Call: (211) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _638578)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_639530, _639532), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _638578), _639512, fail)), '$restore_trace'(_639530, _639532))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_639530, _639532))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _638578), _639512, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_638578)
   Fail: (212) [system] atomic(_638578)
   Call: (212) [system] atom_chars(_638578, ['O', r, 'L', i, n, k])
   Exit: (212) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (211) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (211) [system] integer('OrLink')
   Fail: (211) [system] integer('OrLink')
   Call: (211) [system] _509200='OrLink'
   Exit: (211) [system] 'OrLink'='OrLink'
^  Exit: (210) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (209) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (208) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (208) [user] read_list(')', (0x563acd73bee0), _653528)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _655386)
   Exit: (210) [system] peek_char((0x563acd73bee0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x563acd73bee0), _664980)
   Exit: (210) [system] get_char((0x563acd73bee0), ' ')
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _667684)
   Exit: (211) [system] peek_char((0x563acd73bee0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _684618)
   Exit: (209) [system] peek_char((0x563acd73bee0), '(')
   Call: (209) [system] '('=')'
   Fail: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
   Fail: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x563acd73bee0), _690188)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _692046)
   Exit: (211) [system] peek_char((0x563acd73bee0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] get_char((0x563acd73bee0), _708056)
   Exit: (210) [system] get_char((0x563acd73bee0), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x563acd73bee0), _690188)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _713626)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'I')
   Call: (212) [system] 'I'=(;)
   Fail: (212) [system] 'I'=(;)
   Call: (212) [system] 'I'=(/)
   Fail: (212) [system] 'I'=(/)
^  Call: (212) [user] is_like_space('I')
   Call: (213) [system] char_type('I', 'white')
   Fail: (213) [system] char_type('I', 'white')
   Call: (213) [system] char_type('I', end_of_line)
   Fail: (213) [system] char_type('I', end_of_line)
   Call: (213) [system] char_type('I', space)
   Fail: (213) [system] char_type('I', space)
   Call: (213) [system] char_type('I', cntrl)
   Fail: (213) [system] char_type('I', cntrl)
^  Fail: (212) [user] is_like_space('I')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _729636)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'I')
   Call: (211) [system] 'I'=')'
   Fail: (211) [system] 'I'=')'
   Call: (211) [system] 'I'=end_of_file
   Fail: (211) [system] 'I'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x563acd73bee0), _735206)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _737064)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'I')
   Call: (213) [system] 'I'=(;)
   Fail: (213) [system] 'I'=(;)
   Call: (213) [system] 'I'=(/)
   Fail: (213) [system] 'I'=(/)
^  Call: (213) [user] is_like_space('I')
   Call: (214) [system] char_type('I', 'white')
   Fail: (214) [system] char_type('I', 'white')
   Call: (214) [system] char_type('I', end_of_line)
   Fail: (214) [system] char_type('I', end_of_line)
   Call: (214) [system] char_type('I', space)
   Fail: (214) [system] char_type('I', space)
   Call: (214) [system] char_type('I', cntrl)
   Fail: (214) [system] char_type('I', cntrl)
^  Fail: (213) [user] is_like_space('I')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] get_char((0x563acd73bee0), _753074)
   Exit: (212) [system] get_char((0x563acd73bee0), 'I')
   Call: (212) [system] 'I'='('
   Fail: (212) [system] 'I'='('
   Call: (212) [system] 'I'='['
   Fail: (212) [system] 'I'='['
   Call: (212) [system] 'I'='{'
   Fail: (212) [system] 'I'='{'
   Call: (212) [system] 'I'='"'
   Fail: (212) [system] 'I'='"'
   Call: (212) [system] 'I'=!
   Fail: (212) [system] 'I'=!
   Call: (212) [system] 'I'='\''
   Fail: (212) [system] 'I'='\''
   Call: (212) [system] 'I'='`'
   Fail: (212) [system] 'I'='`'
   Call: (212) [system] 'I'=end_of_file
   Fail: (212) [system] 'I'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x563acd73bee0), 'I', _735206)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _770716)
   Call: (214) [system] peek_char((0x563acd73bee0), _771650)
   Exit: (214) [system] peek_char((0x563acd73bee0), m)
^  Call: (214) [user] is_delimiter(m)
   Call: (215) [system] char_type(m, space)
   Fail: (215) [system] char_type(m, space)
   Call: (215) [system] arg(_776370, v('(', ')', end_of_file), m)
   Fail: (215) [system] arg(_777302, v('(', ')', end_of_file), m)
^  Fail: (214) [user] is_delimiter(m)
   Call: (214) [system] ')'==m
   Fail: (214) [system] ')'==m
   Call: (214) [system] get_char((0x563acd73bee0), m)
   Exit: (214) [system] get_char((0x563acd73bee0), m)
   Call: (214) [system] m=(\)
   Fail: (214) [system] m=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _784652)
   Call: (215) [system] peek_char((0x563acd73bee0), _785586)
   Exit: (215) [system] peek_char((0x563acd73bee0), p)
^  Call: (215) [user] is_delimiter(p)
   Call: (216) [system] char_type(p, space)
   Fail: (216) [system] char_type(p, space)
   Call: (216) [system] arg(_790306, v('(', ')', end_of_file), p)
   Fail: (216) [system] arg(_791238, v('(', ')', end_of_file), p)
^  Fail: (215) [user] is_delimiter(p)
   Call: (215) [system] ')'==p
   Fail: (215) [system] ')'==p
   Call: (215) [system] get_char((0x563acd73bee0), p)
   Exit: (215) [system] get_char((0x563acd73bee0), p)
   Call: (215) [system] p=(\)
   Fail: (215) [system] p=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _798588)
   Call: (216) [system] peek_char((0x563acd73bee0), _799522)
   Exit: (216) [system] peek_char((0x563acd73bee0), l)
^  Call: (216) [user] is_delimiter(l)
   Call: (217) [system] char_type(l, space)
   Fail: (217) [system] char_type(l, space)
   Call: (217) [system] arg(_804242, v('(', ')', end_of_file), l)
   Fail: (217) [system] arg(_805174, v('(', ')', end_of_file), l)
^  Fail: (216) [user] is_delimiter(l)
   Call: (216) [system] ')'==l
   Fail: (216) [system] ')'==l
   Call: (216) [system] get_char((0x563acd73bee0), l)
   Exit: (216) [system] get_char((0x563acd73bee0), l)
   Call: (216) [system] l=(\)
   Fail: (216) [system] l=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _812524)
   Call: (217) [system] peek_char((0x563acd73bee0), _813458)
   Exit: (217) [system] peek_char((0x563acd73bee0), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_818178, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_819110, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x563acd73bee0), i)
   Exit: (217) [system] get_char((0x563acd73bee0), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _826460)
   Call: (218) [system] peek_char((0x563acd73bee0), _827394)
   Exit: (218) [system] peek_char((0x563acd73bee0), c)
^  Call: (218) [user] is_delimiter(c)
   Call: (219) [system] char_type(c, space)
   Fail: (219) [system] char_type(c, space)
   Call: (219) [system] arg(_832114, v('(', ')', end_of_file), c)
   Fail: (219) [system] arg(_833046, v('(', ')', end_of_file), c)
^  Fail: (218) [user] is_delimiter(c)
   Call: (218) [system] ')'==c
   Fail: (218) [system] ')'==c
   Call: (218) [system] get_char((0x563acd73bee0), c)
   Exit: (218) [system] get_char((0x563acd73bee0), c)
   Call: (218) [system] c=(\)
   Fail: (218) [system] c=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _840396)
   Call: (219) [system] peek_char((0x563acd73bee0), _841330)
   Exit: (219) [system] peek_char((0x563acd73bee0), a)
^  Call: (219) [user] is_delimiter(a)
   Call: (220) [system] char_type(a, space)
   Fail: (220) [system] char_type(a, space)
   Call: (220) [system] arg(_846050, v('(', ')', end_of_file), a)
   Fail: (220) [system] arg(_846982, v('(', ')', end_of_file), a)
^  Fail: (219) [user] is_delimiter(a)
   Call: (219) [system] ')'==a
   Fail: (219) [system] ')'==a
   Call: (219) [system] get_char((0x563acd73bee0), a)
   Exit: (219) [system] get_char((0x563acd73bee0), a)
   Call: (219) [system] a=(\)
   Fail: (219) [system] a=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _854332)
   Call: (220) [system] peek_char((0x563acd73bee0), _855266)
   Exit: (220) [system] peek_char((0x563acd73bee0), t)
^  Call: (220) [user] is_delimiter(t)
   Call: (221) [system] char_type(t, space)
   Fail: (221) [system] char_type(t, space)
   Call: (221) [system] arg(_859986, v('(', ')', end_of_file), t)
   Fail: (221) [system] arg(_860918, v('(', ')', end_of_file), t)
^  Fail: (220) [user] is_delimiter(t)
   Call: (220) [system] ')'==t
   Fail: (220) [system] ')'==t
   Call: (220) [system] get_char((0x563acd73bee0), t)
   Exit: (220) [system] get_char((0x563acd73bee0), t)
   Call: (220) [system] t=(\)
   Fail: (220) [system] t=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _868268)
   Call: (221) [system] peek_char((0x563acd73bee0), _869202)
   Exit: (221) [system] peek_char((0x563acd73bee0), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_873922, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_874854, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x563acd73bee0), i)
   Exit: (221) [system] get_char((0x563acd73bee0), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _882204)
   Call: (222) [system] peek_char((0x563acd73bee0), _883138)
   Exit: (222) [system] peek_char((0x563acd73bee0), o)
^  Call: (222) [user] is_delimiter(o)
   Call: (223) [system] char_type(o, space)
   Fail: (223) [system] char_type(o, space)
   Call: (223) [system] arg(_887858, v('(', ')', end_of_file), o)
   Fail: (223) [system] arg(_888790, v('(', ')', end_of_file), o)
^  Fail: (222) [user] is_delimiter(o)
   Call: (222) [system] ')'==o
   Fail: (222) [system] ')'==o
   Call: (222) [system] get_char((0x563acd73bee0), o)
   Exit: (222) [system] get_char((0x563acd73bee0), o)
   Call: (222) [system] o=(\)
   Fail: (222) [system] o=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _896140)
   Call: (223) [system] peek_char((0x563acd73bee0), _897074)
   Exit: (223) [system] peek_char((0x563acd73bee0), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_901794, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_902726, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x563acd73bee0), n)
   Exit: (223) [system] get_char((0x563acd73bee0), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _910076)
   Call: (224) [system] peek_char((0x563acd73bee0), _911010)
   Exit: (224) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _910076=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (223) [system] _896140=[n]
   Exit: (223) [system] [n]=[n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (222) [system] _882204=[o, n]
   Exit: (222) [system] [o, n]=[o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (221) [system] _868268=[i, o, n]
   Exit: (221) [system] [i, o, n]=[i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (220) [system] _854332=[t, i, o, n]
   Exit: (220) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (219) [system] _840396=[a, t, i, o, n]
   Exit: (219) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (218) [system] _826460=[c, a, t, i, o, n]
   Exit: (218) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (217) [system] _812524=[i, c, a, t, i, o, n]
   Exit: (217) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (216) [system] _798588=[l, i, c, a, t, i, o, n]
   Exit: (216) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (215) [system] _784652=[p, l, i, c, a, t, i, o, n]
   Exit: (215) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (214) [system] _770716=[m, p, l, i, c, a, t, i, o, n]
   Exit: (214) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (213) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _735206)
^  Call: (214) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _948234)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_949186, _949188), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _948234), _949168, fail)), '$restore_trace'(_949186, _949188))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_949186, _949188))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _948234), _949168, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_948234)
   Fail: (215) [system] atomic(_948234)
   Call: (215) [system] atom_chars(_948234, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (215) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (214) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (214) [system] integer('Implication')
   Fail: (214) [system] integer('Implication')
   Call: (214) [system] _735206='Implication'
   Exit: (214) [system] 'Implication'='Implication'
^  Exit: (213) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (212) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (211) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (211) [user] read_list(')', (0x563acd73bee0), _963184)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _965042)
   Exit: (213) [system] peek_char((0x563acd73bee0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x563acd73bee0), _974636)
   Exit: (213) [system] get_char((0x563acd73bee0), ' ')
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _977340)
   Exit: (214) [system] peek_char((0x563acd73bee0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _994274)
   Exit: (212) [system] peek_char((0x563acd73bee0), '(')
   Call: (212) [system] '('=')'
   Fail: (212) [system] '('=')'
   Call: (212) [system] '('=end_of_file
   Fail: (212) [system] '('=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x563acd73bee0), _999844)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1001702)
   Exit: (214) [system] peek_char((0x563acd73bee0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] get_char((0x563acd73bee0), _1017712)
   Exit: (213) [system] get_char((0x563acd73bee0), '(')
   Call: (213) [system] '('='('
   Exit: (213) [system] '('='('
^  Call: (213) [user] read_list(')', (0x563acd73bee0), _999844)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1023282)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'A')
   Call: (215) [system] 'A'=(;)
   Fail: (215) [system] 'A'=(;)
   Call: (215) [system] 'A'=(/)
   Fail: (215) [system] 'A'=(/)
^  Call: (215) [user] is_like_space('A')
   Call: (216) [system] char_type('A', 'white')
   Fail: (216) [system] char_type('A', 'white')
   Call: (216) [system] char_type('A', end_of_line)
   Fail: (216) [system] char_type('A', end_of_line)
   Call: (216) [system] char_type('A', space)
   Fail: (216) [system] char_type('A', space)
   Call: (216) [system] char_type('A', cntrl)
   Fail: (216) [system] char_type('A', cntrl)
^  Fail: (215) [user] is_like_space('A')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1039292)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'A')
   Call: (214) [system] 'A'=')'
   Fail: (214) [system] 'A'=')'
   Call: (214) [system] 'A'=end_of_file
   Fail: (214) [system] 'A'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x563acd73bee0), _1044862)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1046720)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'A')
   Call: (216) [system] 'A'=(;)
   Fail: (216) [system] 'A'=(;)
   Call: (216) [system] 'A'=(/)
   Fail: (216) [system] 'A'=(/)
^  Call: (216) [user] is_like_space('A')
   Call: (217) [system] char_type('A', 'white')
   Fail: (217) [system] char_type('A', 'white')
   Call: (217) [system] char_type('A', end_of_line)
   Fail: (217) [system] char_type('A', end_of_line)
   Call: (217) [system] char_type('A', space)
   Fail: (217) [system] char_type('A', space)
   Call: (217) [system] char_type('A', cntrl)
   Fail: (217) [system] char_type('A', cntrl)
^  Fail: (216) [user] is_like_space('A')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] get_char((0x563acd73bee0), _1062730)
   Exit: (215) [system] get_char((0x563acd73bee0), 'A')
   Call: (215) [system] 'A'='('
   Fail: (215) [system] 'A'='('
   Call: (215) [system] 'A'='['
   Fail: (215) [system] 'A'='['
   Call: (215) [system] 'A'='{'
   Fail: (215) [system] 'A'='{'
   Call: (215) [system] 'A'='"'
   Fail: (215) [system] 'A'='"'
   Call: (215) [system] 'A'=!
   Fail: (215) [system] 'A'=!
   Call: (215) [system] 'A'='\''
   Fail: (215) [system] 'A'='\''
   Call: (215) [system] 'A'='`'
   Fail: (215) [system] 'A'='`'
   Call: (215) [system] 'A'=end_of_file
   Fail: (215) [system] 'A'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x563acd73bee0), 'A', _1044862)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _1080372)
   Call: (217) [system] peek_char((0x563acd73bee0), _1081306)
   Exit: (217) [system] peek_char((0x563acd73bee0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_1086026, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_1086958, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x563acd73bee0), n)
   Exit: (217) [system] get_char((0x563acd73bee0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _1094308)
   Call: (218) [system] peek_char((0x563acd73bee0), _1095242)
   Exit: (218) [system] peek_char((0x563acd73bee0), d)
^  Call: (218) [user] is_delimiter(d)
   Call: (219) [system] char_type(d, space)
   Fail: (219) [system] char_type(d, space)
   Call: (219) [system] arg(_1099962, v('(', ')', end_of_file), d)
   Fail: (219) [system] arg(_1100894, v('(', ')', end_of_file), d)
^  Fail: (218) [user] is_delimiter(d)
   Call: (218) [system] ')'==d
   Fail: (218) [system] ')'==d
   Call: (218) [system] get_char((0x563acd73bee0), d)
   Exit: (218) [system] get_char((0x563acd73bee0), d)
   Call: (218) [system] d=(\)
   Fail: (218) [system] d=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _1108244)
   Call: (219) [system] peek_char((0x563acd73bee0), _1109178)
   Exit: (219) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (219) [user] is_delimiter('L')
   Call: (220) [system] char_type('L', space)
   Fail: (220) [system] char_type('L', space)
   Call: (220) [system] arg(_1113898, v('(', ')', end_of_file), 'L')
   Fail: (220) [system] arg(_1114830, v('(', ')', end_of_file), 'L')
^  Fail: (219) [user] is_delimiter('L')
   Call: (219) [system] ')'=='L'
   Fail: (219) [system] ')'=='L'
   Call: (219) [system] get_char((0x563acd73bee0), 'L')
   Exit: (219) [system] get_char((0x563acd73bee0), 'L')
   Call: (219) [system] 'L'=(\)
   Fail: (219) [system] 'L'=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _1122180)
   Call: (220) [system] peek_char((0x563acd73bee0), _1123114)
   Exit: (220) [system] peek_char((0x563acd73bee0), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_1127834, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_1128766, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x563acd73bee0), i)
   Exit: (220) [system] get_char((0x563acd73bee0), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _1136116)
   Call: (221) [system] peek_char((0x563acd73bee0), _1137050)
   Exit: (221) [system] peek_char((0x563acd73bee0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_1141770, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_1142702, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x563acd73bee0), n)
   Exit: (221) [system] get_char((0x563acd73bee0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _1150052)
   Call: (222) [system] peek_char((0x563acd73bee0), _1150986)
   Exit: (222) [system] peek_char((0x563acd73bee0), k)
^  Call: (222) [user] is_delimiter(k)
   Call: (223) [system] char_type(k, space)
   Fail: (223) [system] char_type(k, space)
   Call: (223) [system] arg(_1155706, v('(', ')', end_of_file), k)
   Fail: (223) [system] arg(_1156638, v('(', ')', end_of_file), k)
^  Fail: (222) [user] is_delimiter(k)
   Call: (222) [system] ')'==k
   Fail: (222) [system] ')'==k
   Call: (222) [system] get_char((0x563acd73bee0), k)
   Exit: (222) [system] get_char((0x563acd73bee0), k)
   Call: (222) [system] k=(\)
   Fail: (222) [system] k=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _1163988)
   Call: (223) [system] peek_char((0x563acd73bee0), _1164922)
   Exit: (223) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _1163988=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (222) [system] _1150052=[k]
   Exit: (222) [system] [k]=[k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (221) [system] _1136116=[n, k]
   Exit: (221) [system] [n, k]=[n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (220) [system] _1122180=[i, n, k]
   Exit: (220) [system] [i, n, k]=[i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (219) [system] _1108244=['L', i, n, k]
   Exit: (219) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (218) [system] _1094308=[d, 'L', i, n, k]
   Exit: (218) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, 'L', i, n, k])
   Call: (217) [system] _1080372=[n, d, 'L', i, n, k]
   Exit: (217) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, d, 'L', i, n, k])
^  Call: (216) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1044862)
^  Call: (217) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1190970)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1191922, _1191924), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1190970), _1191904, fail)), '$restore_trace'(_1191922, _1191924))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1191922, _1191924))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1190970), _1191904, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_1190970)
   Fail: (218) [system] atomic(_1190970)
   Call: (218) [system] atom_chars(_1190970, ['A', n, d, 'L', i, n, k])
   Exit: (218) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (217) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (217) [system] integer('AndLink')
   Fail: (217) [system] integer('AndLink')
   Call: (217) [system] _1044862='AndLink'
   Exit: (217) [system] 'AndLink'='AndLink'
^  Exit: (216) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (215) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'AndLink')
^  Exit: (214) [user] cont_sexpr(')', (0x563acd73bee0), 'AndLink')
^  Call: (214) [user] read_list(')', (0x563acd73bee0), _1205920)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1207778)
   Exit: (216) [system] peek_char((0x563acd73bee0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x563acd73bee0), _1217372)
   Exit: (216) [system] get_char((0x563acd73bee0), ' ')
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1220076)
   Exit: (217) [system] peek_char((0x563acd73bee0), 'A')
   Call: (217) [system] 'A'=(;)
   Fail: (217) [system] 'A'=(;)
   Call: (217) [system] 'A'=(/)
   Fail: (217) [system] 'A'=(/)
^  Call: (217) [user] is_like_space('A')
   Call: (218) [system] char_type('A', 'white')
   Fail: (218) [system] char_type('A', 'white')
   Call: (218) [system] char_type('A', end_of_line)
   Fail: (218) [system] char_type('A', end_of_line)
   Call: (218) [system] char_type('A', space)
   Fail: (218) [system] char_type('A', space)
   Call: (218) [system] char_type('A', cntrl)
   Fail: (218) [system] char_type('A', cntrl)
^  Fail: (217) [user] is_like_space('A')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1237010)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'A')
   Call: (215) [system] 'A'=')'
   Fail: (215) [system] 'A'=')'
   Call: (215) [system] 'A'=end_of_file
   Fail: (215) [system] 'A'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x563acd73bee0), _1242580)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1244438)
   Exit: (217) [system] peek_char((0x563acd73bee0), 'A')
   Call: (217) [system] 'A'=(;)
   Fail: (217) [system] 'A'=(;)
   Call: (217) [system] 'A'=(/)
   Fail: (217) [system] 'A'=(/)
^  Call: (217) [user] is_like_space('A')
   Call: (218) [system] char_type('A', 'white')
   Fail: (218) [system] char_type('A', 'white')
   Call: (218) [system] char_type('A', end_of_line)
   Fail: (218) [system] char_type('A', end_of_line)
   Call: (218) [system] char_type('A', space)
   Fail: (218) [system] char_type('A', space)
   Call: (218) [system] char_type('A', cntrl)
   Fail: (218) [system] char_type('A', cntrl)
^  Fail: (217) [user] is_like_space('A')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] get_char((0x563acd73bee0), _1260448)
   Exit: (216) [system] get_char((0x563acd73bee0), 'A')
   Call: (216) [system] 'A'='('
   Fail: (216) [system] 'A'='('
   Call: (216) [system] 'A'='['
   Fail: (216) [system] 'A'='['
   Call: (216) [system] 'A'='{'
   Fail: (216) [system] 'A'='{'
   Call: (216) [system] 'A'='"'
   Fail: (216) [system] 'A'='"'
   Call: (216) [system] 'A'=!
   Fail: (216) [system] 'A'=!
   Call: (216) [system] 'A'='\''
   Fail: (216) [system] 'A'='\''
   Call: (216) [system] 'A'='`'
   Fail: (216) [system] 'A'='`'
   Call: (216) [system] 'A'=end_of_file
   Fail: (216) [system] 'A'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x563acd73bee0), 'A', _1242580)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _1278090)
   Call: (218) [system] peek_char((0x563acd73bee0), _1279024)
   Exit: (218) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _1278090=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (217) [user] classify_and_convert_charseq(['A'], _1242580)
^  Call: (218) [user] classify_and_convert_charseq_(['A'], _1288308)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_1289260, _1289262), once(user:catch(read_from_chars(['A'], _1288308), _1289242, fail)), '$restore_trace'(_1289260, _1289262))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_1289260, _1289262))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1288308), _1289242, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_1288308)
   Fail: (219) [system] atomic(_1288308)
   Call: (219) [system] atom_chars(_1288308, ['A'])
   Exit: (219) [system] atom_chars('A', ['A'])
^  Exit: (218) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (218) [system] integer('A')
   Fail: (218) [system] integer('A')
   Call: (218) [system] _1242580='A'
   Exit: (218) [system] 'A'='A'
^  Exit: (217) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (216) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (215) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (215) [user] read_list(')', (0x563acd73bee0), _1303258)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1305116)
   Exit: (217) [system] peek_char((0x563acd73bee0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x563acd73bee0), _1314710)
   Exit: (217) [system] get_char((0x563acd73bee0), ' ')
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _1317414)
   Exit: (218) [system] peek_char((0x563acd73bee0), 'B')
   Call: (218) [system] 'B'=(;)
   Fail: (218) [system] 'B'=(;)
   Call: (218) [system] 'B'=(/)
   Fail: (218) [system] 'B'=(/)
^  Call: (218) [user] is_like_space('B')
   Call: (219) [system] char_type('B', 'white')
   Fail: (219) [system] char_type('B', 'white')
   Call: (219) [system] char_type('B', end_of_line)
   Fail: (219) [system] char_type('B', end_of_line)
   Call: (219) [system] char_type('B', space)
   Fail: (219) [system] char_type('B', space)
   Call: (219) [system] char_type('B', cntrl)
   Fail: (219) [system] char_type('B', cntrl)
^  Fail: (218) [user] is_like_space('B')
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1334348)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'B')
   Call: (216) [system] 'B'=')'
   Fail: (216) [system] 'B'=')'
   Call: (216) [system] 'B'=end_of_file
   Fail: (216) [system] 'B'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x563acd73bee0), _1339918)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _1341776)
   Exit: (218) [system] peek_char((0x563acd73bee0), 'B')
   Call: (218) [system] 'B'=(;)
   Fail: (218) [system] 'B'=(;)
   Call: (218) [system] 'B'=(/)
   Fail: (218) [system] 'B'=(/)
^  Call: (218) [user] is_like_space('B')
   Call: (219) [system] char_type('B', 'white')
   Fail: (219) [system] char_type('B', 'white')
   Call: (219) [system] char_type('B', end_of_line)
   Fail: (219) [system] char_type('B', end_of_line)
   Call: (219) [system] char_type('B', space)
   Fail: (219) [system] char_type('B', space)
   Call: (219) [system] char_type('B', cntrl)
   Fail: (219) [system] char_type('B', cntrl)
^  Fail: (218) [user] is_like_space('B')
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] get_char((0x563acd73bee0), _1357786)
   Exit: (217) [system] get_char((0x563acd73bee0), 'B')
   Call: (217) [system] 'B'='('
   Fail: (217) [system] 'B'='('
   Call: (217) [system] 'B'='['
   Fail: (217) [system] 'B'='['
   Call: (217) [system] 'B'='{'
   Fail: (217) [system] 'B'='{'
   Call: (217) [system] 'B'='"'
   Fail: (217) [system] 'B'='"'
   Call: (217) [system] 'B'=!
   Fail: (217) [system] 'B'=!
   Call: (217) [system] 'B'='\''
   Fail: (217) [system] 'B'='\''
   Call: (217) [system] 'B'='`'
   Fail: (217) [system] 'B'='`'
   Call: (217) [system] 'B'=end_of_file
   Fail: (217) [system] 'B'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x563acd73bee0), 'B', _1339918)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _1375428)
   Call: (219) [system] peek_char((0x563acd73bee0), _1376362)
   Exit: (219) [system] peek_char((0x563acd73bee0), ')')
^  Call: (219) [user] is_delimiter(')')
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] arg(_1381082, v('(', ')', end_of_file), ')')
   Exit: (220) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (219) [user] is_delimiter(')')
   Call: (219) [system] _1375428=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (218) [user] classify_and_convert_charseq(['B'], _1339918)
^  Call: (219) [user] classify_and_convert_charseq_(['B'], _1387518)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_1388470, _1388472), once(user:catch(read_from_chars(['B'], _1387518), _1388452, fail)), '$restore_trace'(_1388470, _1388472))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_1388470, _1388472))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1387518), _1388452, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_1387518)
   Fail: (220) [system] atomic(_1387518)
   Call: (220) [system] atom_chars(_1387518, ['B'])
   Exit: (220) [system] atom_chars('B', ['B'])
^  Exit: (219) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (219) [system] integer('B')
   Fail: (219) [system] integer('B')
   Call: (219) [system] _1339918='B'
   Exit: (219) [system] 'B'='B'
^  Exit: (218) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (217) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (216) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (216) [user] read_list(')', (0x563acd73bee0), _1402468)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _1404326)
   Exit: (218) [system] peek_char((0x563acd73bee0), ')')
   Call: (218) [system] ')'=(;)
   Fail: (218) [system] ')'=(;)
   Call: (218) [system] ')'=(/)
   Fail: (218) [system] ')'=(/)
^  Call: (218) [user] is_like_space(')')
   Call: (219) [system] char_type(')', 'white')
   Fail: (219) [system] char_type(')', 'white')
   Call: (219) [system] char_type(')', end_of_line)
   Fail: (219) [system] char_type(')', end_of_line)
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] char_type(')', cntrl)
   Fail: (219) [system] char_type(')', cntrl)
^  Fail: (218) [user] is_like_space(')')
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1420336)
   Exit: (217) [system] peek_char((0x563acd73bee0), ')')
   Call: (217) [system] ')'=')'
   Exit: (217) [system] ')'=')'
   Call: (217) [system] get_char((0x563acd73bee0), _1424126)
   Exit: (217) [system] get_char((0x563acd73bee0), ')')
   Call: (217) [system] _1402468=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_list(')', (0x563acd73bee0), [])
   Call: (216) [system] _1303258=['B']
   Exit: (216) [system] ['B']=['B']
^  Exit: (215) [user] read_list(')', (0x563acd73bee0), ['B'])
   Call: (215) [system] _1205920=['A', 'B']
   Exit: (215) [system] ['A', 'B']=['A', 'B']
^  Exit: (214) [user] read_list(')', (0x563acd73bee0), ['A', 'B'])
   Call: (214) [system] _999844=['AndLink', 'A', 'B']
   Exit: (214) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (213) [user] read_list(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Exit: (212) [user] cont_sexpr(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Call: (212) [user] read_list(')', (0x563acd73bee0), _1438008)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1439866)
   Exit: (214) [system] peek_char((0x563acd73bee0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x563acd73bee0), _1449460)
   Exit: (214) [system] get_char((0x563acd73bee0), ' ')
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1452164)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'C')
   Call: (215) [system] 'C'=(;)
   Fail: (215) [system] 'C'=(;)
   Call: (215) [system] 'C'=(/)
   Fail: (215) [system] 'C'=(/)
^  Call: (215) [user] is_like_space('C')
   Call: (216) [system] char_type('C', 'white')
   Fail: (216) [system] char_type('C', 'white')
   Call: (216) [system] char_type('C', end_of_line)
   Fail: (216) [system] char_type('C', end_of_line)
   Call: (216) [system] char_type('C', space)
   Fail: (216) [system] char_type('C', space)
   Call: (216) [system] char_type('C', cntrl)
   Fail: (216) [system] char_type('C', cntrl)
^  Fail: (215) [user] is_like_space('C')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1469098)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'C')
   Call: (213) [system] 'C'=')'
   Fail: (213) [system] 'C'=')'
   Call: (213) [system] 'C'=end_of_file
   Fail: (213) [system] 'C'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x563acd73bee0), _1474668)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1476526)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'C')
   Call: (215) [system] 'C'=(;)
   Fail: (215) [system] 'C'=(;)
   Call: (215) [system] 'C'=(/)
   Fail: (215) [system] 'C'=(/)
^  Call: (215) [user] is_like_space('C')
   Call: (216) [system] char_type('C', 'white')
   Fail: (216) [system] char_type('C', 'white')
   Call: (216) [system] char_type('C', end_of_line)
   Fail: (216) [system] char_type('C', end_of_line)
   Call: (216) [system] char_type('C', space)
   Fail: (216) [system] char_type('C', space)
   Call: (216) [system] char_type('C', cntrl)
   Fail: (216) [system] char_type('C', cntrl)
^  Fail: (215) [user] is_like_space('C')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] get_char((0x563acd73bee0), _1492536)
   Exit: (214) [system] get_char((0x563acd73bee0), 'C')
   Call: (214) [system] 'C'='('
   Fail: (214) [system] 'C'='('
   Call: (214) [system] 'C'='['
   Fail: (214) [system] 'C'='['
   Call: (214) [system] 'C'='{'
   Fail: (214) [system] 'C'='{'
   Call: (214) [system] 'C'='"'
   Fail: (214) [system] 'C'='"'
   Call: (214) [system] 'C'=!
   Fail: (214) [system] 'C'=!
   Call: (214) [system] 'C'='\''
   Fail: (214) [system] 'C'='\''
   Call: (214) [system] 'C'='`'
   Fail: (214) [system] 'C'='`'
   Call: (214) [system] 'C'=end_of_file
   Fail: (214) [system] 'C'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x563acd73bee0), 'C', _1474668)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _1510178)
   Call: (216) [system] peek_char((0x563acd73bee0), _1511112)
   Exit: (216) [system] peek_char((0x563acd73bee0), ')')
^  Call: (216) [user] is_delimiter(')')
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] arg(_1515832, v('(', ')', end_of_file), ')')
   Exit: (217) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (216) [user] is_delimiter(')')
   Call: (216) [system] _1510178=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (215) [user] classify_and_convert_charseq(['C'], _1474668)
^  Call: (216) [user] classify_and_convert_charseq_(['C'], _1522268)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1523220, _1523222), once(user:catch(read_from_chars(['C'], _1522268), _1523202, fail)), '$restore_trace'(_1523220, _1523222))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1523220, _1523222))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1522268), _1523202, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_1522268)
   Fail: (217) [system] atomic(_1522268)
   Call: (217) [system] atom_chars(_1522268, ['C'])
   Exit: (217) [system] atom_chars('C', ['C'])
^  Exit: (216) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (216) [system] integer('C')
   Fail: (216) [system] integer('C')
   Call: (216) [system] _1474668='C'
   Exit: (216) [system] 'C'='C'
^  Exit: (215) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (214) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (213) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (213) [user] read_list(')', (0x563acd73bee0), _1537218)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1539076)
   Exit: (215) [system] peek_char((0x563acd73bee0), ')')
   Call: (215) [system] ')'=(;)
   Fail: (215) [system] ')'=(;)
   Call: (215) [system] ')'=(/)
   Fail: (215) [system] ')'=(/)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Fail: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Fail: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
   Fail: (216) [system] char_type(')', cntrl)
^  Fail: (215) [user] is_like_space(')')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1555086)
   Exit: (214) [system] peek_char((0x563acd73bee0), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x563acd73bee0), _1558876)
   Exit: (214) [system] get_char((0x563acd73bee0), ')')
   Call: (214) [system] _1537218=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x563acd73bee0), [])
   Call: (213) [system] _1438008=['C']
   Exit: (213) [system] ['C']=['C']
^  Exit: (212) [user] read_list(')', (0x563acd73bee0), ['C'])
   Call: (212) [system] _963184=[['AndLink', 'A', 'B'], 'C']
   Exit: (212) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (211) [user] read_list(')', (0x563acd73bee0), [['AndLink', 'A', 'B'], 'C'])
   Call: (211) [system] _690188=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (211) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (210) [user] read_list(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (209) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (209) [user] read_list(')', (0x563acd73bee0), _1572758)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1574616)
   Exit: (211) [system] peek_char((0x563acd73bee0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x563acd73bee0), _1584210)
   Exit: (211) [system] get_char((0x563acd73bee0), ' ')
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1586914)
   Exit: (212) [system] peek_char((0x563acd73bee0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1603848)
   Exit: (210) [system] peek_char((0x563acd73bee0), '(')
   Call: (210) [system] '('=')'
   Fail: (210) [system] '('=')'
   Call: (210) [system] '('=end_of_file
   Fail: (210) [system] '('=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x563acd73bee0), _1609418)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1611276)
   Exit: (212) [system] peek_char((0x563acd73bee0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] get_char((0x563acd73bee0), _1627286)
   Exit: (211) [system] get_char((0x563acd73bee0), '(')
   Call: (211) [system] '('='('
   Exit: (211) [system] '('='('
^  Call: (211) [user] read_list(')', (0x563acd73bee0), _1609418)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1632856)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'O')
   Call: (213) [system] 'O'=(;)
   Fail: (213) [system] 'O'=(;)
   Call: (213) [system] 'O'=(/)
   Fail: (213) [system] 'O'=(/)
^  Call: (213) [user] is_like_space('O')
   Call: (214) [system] char_type('O', 'white')
   Fail: (214) [system] char_type('O', 'white')
   Call: (214) [system] char_type('O', end_of_line)
   Fail: (214) [system] char_type('O', end_of_line)
   Call: (214) [system] char_type('O', space)
   Fail: (214) [system] char_type('O', space)
   Call: (214) [system] char_type('O', cntrl)
   Fail: (214) [system] char_type('O', cntrl)
^  Fail: (213) [user] is_like_space('O')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1648866)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'O')
   Call: (212) [system] 'O'=')'
   Fail: (212) [system] 'O'=')'
   Call: (212) [system] 'O'=end_of_file
   Fail: (212) [system] 'O'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x563acd73bee0), _1654436)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1656294)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'O')
   Call: (214) [system] 'O'=(;)
   Fail: (214) [system] 'O'=(;)
   Call: (214) [system] 'O'=(/)
   Fail: (214) [system] 'O'=(/)
^  Call: (214) [user] is_like_space('O')
   Call: (215) [system] char_type('O', 'white')
   Fail: (215) [system] char_type('O', 'white')
   Call: (215) [system] char_type('O', end_of_line)
   Fail: (215) [system] char_type('O', end_of_line)
   Call: (215) [system] char_type('O', space)
   Fail: (215) [system] char_type('O', space)
   Call: (215) [system] char_type('O', cntrl)
   Fail: (215) [system] char_type('O', cntrl)
^  Fail: (214) [user] is_like_space('O')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] get_char((0x563acd73bee0), _1672304)
   Exit: (213) [system] get_char((0x563acd73bee0), 'O')
   Call: (213) [system] 'O'='('
   Fail: (213) [system] 'O'='('
   Call: (213) [system] 'O'='['
   Fail: (213) [system] 'O'='['
   Call: (213) [system] 'O'='{'
   Fail: (213) [system] 'O'='{'
   Call: (213) [system] 'O'='"'
   Fail: (213) [system] 'O'='"'
   Call: (213) [system] 'O'=!
   Fail: (213) [system] 'O'=!
   Call: (213) [system] 'O'='\''
   Fail: (213) [system] 'O'='\''
   Call: (213) [system] 'O'='`'
   Fail: (213) [system] 'O'='`'
   Call: (213) [system] 'O'=end_of_file
   Fail: (213) [system] 'O'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x563acd73bee0), 'O', _1654436)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _1689946)
   Call: (215) [system] peek_char((0x563acd73bee0), _1690880)
   Exit: (215) [system] peek_char((0x563acd73bee0), r)
^  Call: (215) [user] is_delimiter(r)
   Call: (216) [system] char_type(r, space)
   Fail: (216) [system] char_type(r, space)
   Call: (216) [system] arg(_1695600, v('(', ')', end_of_file), r)
   Fail: (216) [system] arg(_1696532, v('(', ')', end_of_file), r)
^  Fail: (215) [user] is_delimiter(r)
   Call: (215) [system] ')'==r
   Fail: (215) [system] ')'==r
   Call: (215) [system] get_char((0x563acd73bee0), r)
   Exit: (215) [system] get_char((0x563acd73bee0), r)
   Call: (215) [system] r=(\)
   Fail: (215) [system] r=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _1703882)
   Call: (216) [system] peek_char((0x563acd73bee0), _1704816)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (216) [user] is_delimiter('L')
   Call: (217) [system] char_type('L', space)
   Fail: (217) [system] char_type('L', space)
   Call: (217) [system] arg(_1709536, v('(', ')', end_of_file), 'L')
   Fail: (217) [system] arg(_1710468, v('(', ')', end_of_file), 'L')
^  Fail: (216) [user] is_delimiter('L')
   Call: (216) [system] ')'=='L'
   Fail: (216) [system] ')'=='L'
   Call: (216) [system] get_char((0x563acd73bee0), 'L')
   Exit: (216) [system] get_char((0x563acd73bee0), 'L')
   Call: (216) [system] 'L'=(\)
   Fail: (216) [system] 'L'=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _1717818)
   Call: (217) [system] peek_char((0x563acd73bee0), _1718752)
   Exit: (217) [system] peek_char((0x563acd73bee0), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_1723472, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_1724404, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x563acd73bee0), i)
   Exit: (217) [system] get_char((0x563acd73bee0), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _1731754)
   Call: (218) [system] peek_char((0x563acd73bee0), _1732688)
   Exit: (218) [system] peek_char((0x563acd73bee0), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_1737408, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_1738340, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x563acd73bee0), n)
   Exit: (218) [system] get_char((0x563acd73bee0), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _1745690)
   Call: (219) [system] peek_char((0x563acd73bee0), _1746624)
   Exit: (219) [system] peek_char((0x563acd73bee0), k)
^  Call: (219) [user] is_delimiter(k)
   Call: (220) [system] char_type(k, space)
   Fail: (220) [system] char_type(k, space)
   Call: (220) [system] arg(_1751344, v('(', ')', end_of_file), k)
   Fail: (220) [system] arg(_1752276, v('(', ')', end_of_file), k)
^  Fail: (219) [user] is_delimiter(k)
   Call: (219) [system] ')'==k
   Fail: (219) [system] ')'==k
   Call: (219) [system] get_char((0x563acd73bee0), k)
   Exit: (219) [system] get_char((0x563acd73bee0), k)
   Call: (219) [system] k=(\)
   Fail: (219) [system] k=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _1759626)
   Call: (220) [system] peek_char((0x563acd73bee0), _1760560)
   Exit: (220) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _1759626=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (219) [system] _1745690=[k]
   Exit: (219) [system] [k]=[k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (218) [system] _1731754=[n, k]
   Exit: (218) [system] [n, k]=[n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (217) [system] _1717818=[i, n, k]
   Exit: (217) [system] [i, n, k]=[i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (216) [system] _1703882=['L', i, n, k]
   Exit: (216) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (215) [system] _1689946=[r, 'L', i, n, k]
   Exit: (215) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (214) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1654436)
^  Call: (215) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1783814)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_1784766, _1784768), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1783814), _1784748, fail)), '$restore_trace'(_1784766, _1784768))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_1784766, _1784768))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1783814), _1784748, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_1783814)
   Fail: (216) [system] atomic(_1783814)
   Call: (216) [system] atom_chars(_1783814, ['O', r, 'L', i, n, k])
   Exit: (216) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (215) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (215) [system] integer('OrLink')
   Fail: (215) [system] integer('OrLink')
   Call: (215) [system] _1654436='OrLink'
   Exit: (215) [system] 'OrLink'='OrLink'
^  Exit: (214) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (213) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (212) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (212) [user] read_list(')', (0x563acd73bee0), _1798764)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1800622)
   Exit: (214) [system] peek_char((0x563acd73bee0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x563acd73bee0), _1810216)
   Exit: (214) [system] get_char((0x563acd73bee0), ' ')
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1812920)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'B')
   Call: (215) [system] 'B'=(;)
   Fail: (215) [system] 'B'=(;)
   Call: (215) [system] 'B'=(/)
   Fail: (215) [system] 'B'=(/)
^  Call: (215) [user] is_like_space('B')
   Call: (216) [system] char_type('B', 'white')
   Fail: (216) [system] char_type('B', 'white')
   Call: (216) [system] char_type('B', end_of_line)
   Fail: (216) [system] char_type('B', end_of_line)
   Call: (216) [system] char_type('B', space)
   Fail: (216) [system] char_type('B', space)
   Call: (216) [system] char_type('B', cntrl)
   Fail: (216) [system] char_type('B', cntrl)
^  Fail: (215) [user] is_like_space('B')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1829854)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'B')
   Call: (213) [system] 'B'=')'
   Fail: (213) [system] 'B'=')'
   Call: (213) [system] 'B'=end_of_file
   Fail: (213) [system] 'B'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x563acd73bee0), _1835424)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1837282)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'B')
   Call: (215) [system] 'B'=(;)
   Fail: (215) [system] 'B'=(;)
   Call: (215) [system] 'B'=(/)
   Fail: (215) [system] 'B'=(/)
^  Call: (215) [user] is_like_space('B')
   Call: (216) [system] char_type('B', 'white')
   Fail: (216) [system] char_type('B', 'white')
   Call: (216) [system] char_type('B', end_of_line)
   Fail: (216) [system] char_type('B', end_of_line)
   Call: (216) [system] char_type('B', space)
   Fail: (216) [system] char_type('B', space)
   Call: (216) [system] char_type('B', cntrl)
   Fail: (216) [system] char_type('B', cntrl)
^  Fail: (215) [user] is_like_space('B')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] get_char((0x563acd73bee0), _1853292)
   Exit: (214) [system] get_char((0x563acd73bee0), 'B')
   Call: (214) [system] 'B'='('
   Fail: (214) [system] 'B'='('
   Call: (214) [system] 'B'='['
   Fail: (214) [system] 'B'='['
   Call: (214) [system] 'B'='{'
   Fail: (214) [system] 'B'='{'
   Call: (214) [system] 'B'='"'
   Fail: (214) [system] 'B'='"'
   Call: (214) [system] 'B'=!
   Fail: (214) [system] 'B'=!
   Call: (214) [system] 'B'='\''
   Fail: (214) [system] 'B'='\''
   Call: (214) [system] 'B'='`'
   Fail: (214) [system] 'B'='`'
   Call: (214) [system] 'B'=end_of_file
   Fail: (214) [system] 'B'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x563acd73bee0), 'B', _1835424)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _1870934)
   Call: (216) [system] peek_char((0x563acd73bee0), _1871868)
   Exit: (216) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _1870934=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (215) [user] classify_and_convert_charseq(['B'], _1835424)
^  Call: (216) [user] classify_and_convert_charseq_(['B'], _1881152)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1882104, _1882106), once(user:catch(read_from_chars(['B'], _1881152), _1882086, fail)), '$restore_trace'(_1882104, _1882106))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1882104, _1882106))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1881152), _1882086, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_1881152)
   Fail: (217) [system] atomic(_1881152)
   Call: (217) [system] atom_chars(_1881152, ['B'])
   Exit: (217) [system] atom_chars('B', ['B'])
^  Exit: (216) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (216) [system] integer('B')
   Fail: (216) [system] integer('B')
   Call: (216) [system] _1835424='B'
   Exit: (216) [system] 'B'='B'
^  Exit: (215) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (214) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (213) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (213) [user] read_list(')', (0x563acd73bee0), _1896102)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1897960)
   Exit: (215) [system] peek_char((0x563acd73bee0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x563acd73bee0), _1907554)
   Exit: (215) [system] get_char((0x563acd73bee0), ' ')
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1910258)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'B')
   Call: (216) [system] 'B'=(;)
   Fail: (216) [system] 'B'=(;)
   Call: (216) [system] 'B'=(/)
   Fail: (216) [system] 'B'=(/)
^  Call: (216) [user] is_like_space('B')
   Call: (217) [system] char_type('B', 'white')
   Fail: (217) [system] char_type('B', 'white')
   Call: (217) [system] char_type('B', end_of_line)
   Fail: (217) [system] char_type('B', end_of_line)
   Call: (217) [system] char_type('B', space)
   Fail: (217) [system] char_type('B', space)
   Call: (217) [system] char_type('B', cntrl)
   Fail: (217) [system] char_type('B', cntrl)
^  Fail: (216) [user] is_like_space('B')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1927192)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'B')
   Call: (214) [system] 'B'=')'
   Fail: (214) [system] 'B'=')'
   Call: (214) [system] 'B'=end_of_file
   Fail: (214) [system] 'B'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x563acd73bee0), _1932762)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1934620)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'B')
   Call: (216) [system] 'B'=(;)
   Fail: (216) [system] 'B'=(;)
   Call: (216) [system] 'B'=(/)
   Fail: (216) [system] 'B'=(/)
^  Call: (216) [user] is_like_space('B')
   Call: (217) [system] char_type('B', 'white')
   Fail: (217) [system] char_type('B', 'white')
   Call: (217) [system] char_type('B', end_of_line)
   Fail: (217) [system] char_type('B', end_of_line)
   Call: (217) [system] char_type('B', space)
   Fail: (217) [system] char_type('B', space)
   Call: (217) [system] char_type('B', cntrl)
   Fail: (217) [system] char_type('B', cntrl)
^  Fail: (216) [user] is_like_space('B')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] get_char((0x563acd73bee0), _1950630)
   Exit: (215) [system] get_char((0x563acd73bee0), 'B')
   Call: (215) [system] 'B'='('
   Fail: (215) [system] 'B'='('
   Call: (215) [system] 'B'='['
   Fail: (215) [system] 'B'='['
   Call: (215) [system] 'B'='{'
   Fail: (215) [system] 'B'='{'
   Call: (215) [system] 'B'='"'
   Fail: (215) [system] 'B'='"'
   Call: (215) [system] 'B'=!
   Fail: (215) [system] 'B'=!
   Call: (215) [system] 'B'='\''
   Fail: (215) [system] 'B'='\''
   Call: (215) [system] 'B'='`'
   Fail: (215) [system] 'B'='`'
   Call: (215) [system] 'B'=end_of_file
   Fail: (215) [system] 'B'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x563acd73bee0), 'B', _1932762)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _1968272)
   Call: (217) [system] peek_char((0x563acd73bee0), _1969206)
   Exit: (217) [system] peek_char((0x563acd73bee0), ')')
^  Call: (217) [user] is_delimiter(')')
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] arg(_1973926, v('(', ')', end_of_file), ')')
   Exit: (218) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (217) [user] is_delimiter(')')
   Call: (217) [system] _1968272=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (216) [user] classify_and_convert_charseq(['B'], _1932762)
^  Call: (217) [user] classify_and_convert_charseq_(['B'], _1980362)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1981314, _1981316), once(user:catch(read_from_chars(['B'], _1980362), _1981296, fail)), '$restore_trace'(_1981314, _1981316))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1981314, _1981316))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1980362), _1981296, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_1980362)
   Fail: (218) [system] atomic(_1980362)
   Call: (218) [system] atom_chars(_1980362, ['B'])
   Exit: (218) [system] atom_chars('B', ['B'])
^  Exit: (217) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (217) [system] integer('B')
   Fail: (217) [system] integer('B')
   Call: (217) [system] _1932762='B'
   Exit: (217) [system] 'B'='B'
^  Exit: (216) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (215) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (214) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (214) [user] read_list(')', (0x563acd73bee0), _1995312)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1997170)
   Exit: (216) [system] peek_char((0x563acd73bee0), ')')
   Call: (216) [system] ')'=(;)
   Fail: (216) [system] ')'=(;)
   Call: (216) [system] ')'=(/)
   Fail: (216) [system] ')'=(/)
^  Call: (216) [user] is_like_space(')')
   Call: (217) [system] char_type(')', 'white')
   Fail: (217) [system] char_type(')', 'white')
   Call: (217) [system] char_type(')', end_of_line)
   Fail: (217) [system] char_type(')', end_of_line)
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] char_type(')', cntrl)
   Fail: (217) [system] char_type(')', cntrl)
^  Fail: (216) [user] is_like_space(')')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _2013180)
   Exit: (215) [system] peek_char((0x563acd73bee0), ')')
   Call: (215) [system] ')'=')'
   Exit: (215) [system] ')'=')'
   Call: (215) [system] get_char((0x563acd73bee0), _2016970)
   Exit: (215) [system] get_char((0x563acd73bee0), ')')
   Call: (215) [system] _1995312=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_list(')', (0x563acd73bee0), [])
   Call: (214) [system] _1896102=['B']
   Exit: (214) [system] ['B']=['B']
^  Exit: (213) [user] read_list(')', (0x563acd73bee0), ['B'])
   Call: (213) [system] _1798764=['B', 'B']
   Exit: (213) [system] ['B', 'B']=['B', 'B']
^  Exit: (212) [user] read_list(')', (0x563acd73bee0), ['B', 'B'])
   Call: (212) [system] _1609418=['OrLink', 'B', 'B']
   Exit: (212) [system] ['OrLink', 'B', 'B']=['OrLink', 'B', 'B']
^  Exit: (211) [user] read_list(')', (0x563acd73bee0), ['OrLink', 'B', 'B'])
^  Exit: (210) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', 'B', 'B'])
^  Call: (210) [user] read_list(')', (0x563acd73bee0), _2030852)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _2032710)
   Exit: (212) [system] peek_char((0x563acd73bee0), ')')
   Call: (212) [system] ')'=(;)
   Fail: (212) [system] ')'=(;)
   Call: (212) [system] ')'=(/)
   Fail: (212) [system] ')'=(/)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Fail: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Fail: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
   Fail: (213) [system] char_type(')', cntrl)
^  Fail: (212) [user] is_like_space(')')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _2048720)
   Exit: (211) [system] peek_char((0x563acd73bee0), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x563acd73bee0), _2052510)
   Exit: (211) [system] get_char((0x563acd73bee0), ')')
   Call: (211) [system] _2030852=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x563acd73bee0), [])
   Call: (210) [system] _1572758=[['OrLink', 'B', 'B']]
   Exit: (210) [system] [['OrLink', 'B', 'B']]=[['OrLink', 'B', 'B']]
^  Exit: (209) [user] read_list(')', (0x563acd73bee0), [['OrLink', 'B', 'B']])
   Call: (209) [system] _653528=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]
   Exit: (209) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]
^  Exit: (208) [user] read_list(')', (0x563acd73bee0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']])
   Call: (208) [system] _464182=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]
   Exit: (208) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]
^  Exit: (207) [user] read_list(')', (0x563acd73bee0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']])
^  Exit: (206) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']])
^  Call: (206) [user] read_list(')', (0x563acd73bee0), _2066392)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _2068250)
   Exit: (208) [system] peek_char((0x563acd73bee0), ')')
   Call: (208) [system] ')'=(;)
   Fail: (208) [system] ')'=(;)
   Call: (208) [system] ')'=(/)
   Fail: (208) [system] ')'=(/)
^  Call: (208) [user] is_like_space(')')
   Call: (209) [system] char_type(')', 'white')
   Fail: (209) [system] char_type(')', 'white')
   Call: (209) [system] char_type(')', end_of_line)
   Fail: (209) [system] char_type(')', end_of_line)
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] char_type(')', cntrl)
   Fail: (209) [system] char_type(')', cntrl)
^  Fail: (208) [user] is_like_space(')')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _2084260)
   Exit: (207) [system] peek_char((0x563acd73bee0), ')')
   Call: (207) [system] ')'=')'
   Exit: (207) [system] ')'=')'
   Call: (207) [system] get_char((0x563acd73bee0), _2088050)
   Exit: (207) [system] get_char((0x563acd73bee0), ')')
   Call: (207) [system] _2066392=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_list(')', (0x563acd73bee0), [])
   Call: (206) [system] _427522=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]]
   Exit: (206) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]]
^  Exit: (205) [user] read_list(')', (0x563acd73bee0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]])
   Call: (205) [system] _5008=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]]
   Exit: (205) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]]
^  Exit: (204) [user] read_list(')', (0x563acd73bee0), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]])
   Call: (204) [system] _5000=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]]
   Exit: (204) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]]
^  Exit: (203) [user] read_list(')', (0x563acd73bee0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]])
^  Exit: (202) [user] cont_sexpr(')', (0x563acd73bee0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]])
^  Call: (202) [user] read_list(')', (0x563acd73bee0), _10320)
^  Call: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _12178)
   Exit: (204) [system] peek_char((0x563acd73bee0), '\n')
   Call: (204) [system] '\n'=(;)
   Fail: (204) [system] '\n'=(;)
   Call: (204) [system] '\n'=(/)
   Fail: (204) [system] '\n'=(/)
^  Call: (204) [user] is_like_space('\n')
   Call: (205) [system] char_type('\n', 'white')
   Fail: (205) [system] char_type('\n', 'white')
   Call: (205) [system] char_type('\n', end_of_line)
   Exit: (205) [system] char_type('\n', end_of_line)
^  Exit: (204) [user] is_like_space('\n')
   Call: (204) [system] get_char((0x563acd73bee0), _23628)
   Exit: (204) [system] get_char((0x563acd73bee0), '\n')
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _26332)
   Exit: (205) [system] peek_char((0x563acd73bee0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
   Call: (205) [system] ' '=(/)
   Fail: (205) [system] ' '=(/)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x563acd73bee0), _35926)
   Exit: (205) [system] get_char((0x563acd73bee0), ' ')
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _38630)
   Exit: (206) [system] peek_char((0x563acd73bee0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
^  Exit: (203) [user] skip_spaces((0x563acd73bee0))
   Call: (203) [system] peek_char((0x563acd73bee0), _56488)
   Exit: (203) [system] peek_char((0x563acd73bee0), '(')
   Call: (203) [system] '('=')'
   Fail: (203) [system] '('=')'
   Call: (203) [system] '('=end_of_file
   Fail: (203) [system] '('=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x563acd73bee0), _62058)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _63916)
   Exit: (205) [system] peek_char((0x563acd73bee0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
   Call: (205) [system] '('=(/)
   Fail: (205) [system] '('=(/)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] get_char((0x563acd73bee0), _79926)
   Exit: (204) [system] get_char((0x563acd73bee0), '(')
   Call: (204) [system] '('='('
   Exit: (204) [system] '('='('
^  Call: (204) [user] read_list(')', (0x563acd73bee0), _62058)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _85496)
   Exit: (206) [system] peek_char((0x563acd73bee0), :)
   Call: (206) [system] (:)=(;)
   Fail: (206) [system] (:)=(;)
   Call: (206) [system] (:)=(/)
   Fail: (206) [system] (:)=(/)
^  Call: (206) [user] is_like_space(:)
   Call: (207) [system] char_type(:, 'white')
   Fail: (207) [system] char_type(:, 'white')
   Call: (207) [system] char_type(:, end_of_line)
   Fail: (207) [system] char_type(:, end_of_line)
   Call: (207) [system] char_type(:, space)
   Fail: (207) [system] char_type(:, space)
   Call: (207) [system] char_type(:, cntrl)
   Fail: (207) [system] char_type(:, cntrl)
^  Fail: (206) [user] is_like_space(:)
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _101506)
   Exit: (205) [system] peek_char((0x563acd73bee0), :)
   Call: (205) [system] (:)=')'
   Fail: (205) [system] (:)=')'
   Call: (205) [system] (:)=end_of_file
   Fail: (205) [system] (:)=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x563acd73bee0), _107076)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _108934)
   Exit: (207) [system] peek_char((0x563acd73bee0), :)
   Call: (207) [system] (:)=(;)
   Fail: (207) [system] (:)=(;)
   Call: (207) [system] (:)=(/)
   Fail: (207) [system] (:)=(/)
^  Call: (207) [user] is_like_space(:)
   Call: (208) [system] char_type(:, 'white')
   Fail: (208) [system] char_type(:, 'white')
   Call: (208) [system] char_type(:, end_of_line)
   Fail: (208) [system] char_type(:, end_of_line)
   Call: (208) [system] char_type(:, space)
   Fail: (208) [system] char_type(:, space)
   Call: (208) [system] char_type(:, cntrl)
   Fail: (208) [system] char_type(:, cntrl)
^  Fail: (207) [user] is_like_space(:)
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] get_char((0x563acd73bee0), _124944)
   Exit: (206) [system] get_char((0x563acd73bee0), :)
   Call: (206) [system] (:)='('
   Fail: (206) [system] (:)='('
   Call: (206) [system] (:)='['
   Fail: (206) [system] (:)='['
   Call: (206) [system] (:)='{'
   Fail: (206) [system] (:)='{'
   Call: (206) [system] (:)='"'
   Fail: (206) [system] (:)='"'
   Call: (206) [system] (:)=!
   Fail: (206) [system] (:)=!
   Call: (206) [system] (:)='\''
   Fail: (206) [system] (:)='\''
   Call: (206) [system] (:)='`'
   Fail: (206) [system] (:)='`'
   Call: (206) [system] (:)=end_of_file
   Fail: (206) [system] (:)=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x563acd73bee0), :, _107076)
^  Call: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), _142586)
   Call: (208) [system] peek_char((0x563acd73bee0), _143520)
   Exit: (208) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _142586=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (207) [user] classify_and_convert_charseq([:], _107076)
^  Call: (208) [user] classify_and_convert_charseq_([:], _152804)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_153756, _153758), once(user:catch(read_from_chars([:], _152804), _153738, fail)), '$restore_trace'(_153756, _153758))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_153756, _153758))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _153738, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(:)
   Exit: (209) [system] atomic(:)
^  Exit: (208) [user] classify_and_convert_charseq_([:], :)
   Call: (208) [system] integer(:)
   Fail: (208) [system] integer(:)
   Call: (208) [system] _107076=(:)
   Exit: (208) [system] (:)=(:)
^  Exit: (207) [user] classify_and_convert_charseq([:], :)
^  Exit: (206) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (205) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (205) [user] read_list(')', (0x563acd73bee0), _165884)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _167742)
   Exit: (207) [system] peek_char((0x563acd73bee0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
   Call: (207) [system] ' '=(/)
   Fail: (207) [system] ' '=(/)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x563acd73bee0), _177336)
   Exit: (207) [system] get_char((0x563acd73bee0), ' ')
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _180040)
   Exit: (208) [system] peek_char((0x563acd73bee0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _196974)
   Exit: (206) [system] peek_char((0x563acd73bee0), '(')
   Call: (206) [system] '('=')'
   Fail: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
   Fail: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x563acd73bee0), _202544)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _204402)
   Exit: (208) [system] peek_char((0x563acd73bee0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] get_char((0x563acd73bee0), _220412)
   Exit: (207) [system] get_char((0x563acd73bee0), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x563acd73bee0), _202544)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _225982)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'D')
   Call: (209) [system] 'D'=(;)
   Fail: (209) [system] 'D'=(;)
   Call: (209) [system] 'D'=(/)
   Fail: (209) [system] 'D'=(/)
^  Call: (209) [user] is_like_space('D')
   Call: (210) [system] char_type('D', 'white')
   Fail: (210) [system] char_type('D', 'white')
   Call: (210) [system] char_type('D', end_of_line)
   Fail: (210) [system] char_type('D', end_of_line)
   Call: (210) [system] char_type('D', space)
   Fail: (210) [system] char_type('D', space)
   Call: (210) [system] char_type('D', cntrl)
   Fail: (210) [system] char_type('D', cntrl)
^  Fail: (209) [user] is_like_space('D')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _241992)
   Exit: (208) [system] peek_char((0x563acd73bee0), 'D')
   Call: (208) [system] 'D'=')'
   Fail: (208) [system] 'D'=')'
   Call: (208) [system] 'D'=end_of_file
   Fail: (208) [system] 'D'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x563acd73bee0), _247562)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _249420)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'D')
   Call: (210) [system] 'D'=(;)
   Fail: (210) [system] 'D'=(;)
   Call: (210) [system] 'D'=(/)
   Fail: (210) [system] 'D'=(/)
^  Call: (210) [user] is_like_space('D')
   Call: (211) [system] char_type('D', 'white')
   Fail: (211) [system] char_type('D', 'white')
   Call: (211) [system] char_type('D', end_of_line)
   Fail: (211) [system] char_type('D', end_of_line)
   Call: (211) [system] char_type('D', space)
   Fail: (211) [system] char_type('D', space)
   Call: (211) [system] char_type('D', cntrl)
   Fail: (211) [system] char_type('D', cntrl)
^  Fail: (210) [user] is_like_space('D')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] get_char((0x563acd73bee0), _265430)
   Exit: (209) [system] get_char((0x563acd73bee0), 'D')
   Call: (209) [system] 'D'='('
   Fail: (209) [system] 'D'='('
   Call: (209) [system] 'D'='['
   Fail: (209) [system] 'D'='['
   Call: (209) [system] 'D'='{'
   Fail: (209) [system] 'D'='{'
   Call: (209) [system] 'D'='"'
   Fail: (209) [system] 'D'='"'
   Call: (209) [system] 'D'=!
   Fail: (209) [system] 'D'=!
   Call: (209) [system] 'D'='\''
   Fail: (209) [system] 'D'='\''
   Call: (209) [system] 'D'='`'
   Fail: (209) [system] 'D'='`'
   Call: (209) [system] 'D'=end_of_file
   Fail: (209) [system] 'D'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x563acd73bee0), 'D', _247562)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _283072)
   Call: (211) [system] peek_char((0x563acd73bee0), _284006)
   Exit: (211) [system] peek_char((0x563acd73bee0), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Fail: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_288726, v('(', ')', end_of_file), i)
   Fail: (212) [system] arg(_289658, v('(', ')', end_of_file), i)
^  Fail: (211) [user] is_delimiter(i)
   Call: (211) [system] ')'==i
   Fail: (211) [system] ')'==i
   Call: (211) [system] get_char((0x563acd73bee0), i)
   Exit: (211) [system] get_char((0x563acd73bee0), i)
   Call: (211) [system] i=(\)
   Fail: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _297008)
   Call: (212) [system] peek_char((0x563acd73bee0), _297942)
   Exit: (212) [system] peek_char((0x563acd73bee0), s)
^  Call: (212) [user] is_delimiter(s)
   Call: (213) [system] char_type(s, space)
   Fail: (213) [system] char_type(s, space)
   Call: (213) [system] arg(_302662, v('(', ')', end_of_file), s)
   Fail: (213) [system] arg(_303594, v('(', ')', end_of_file), s)
^  Fail: (212) [user] is_delimiter(s)
   Call: (212) [system] ')'==s
   Fail: (212) [system] ')'==s
   Call: (212) [system] get_char((0x563acd73bee0), s)
   Exit: (212) [system] get_char((0x563acd73bee0), s)
   Call: (212) [system] s=(\)
   Fail: (212) [system] s=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _310944)
   Call: (213) [system] peek_char((0x563acd73bee0), _311878)
   Exit: (213) [system] peek_char((0x563acd73bee0), j)
^  Call: (213) [user] is_delimiter(j)
   Call: (214) [system] char_type(j, space)
   Fail: (214) [system] char_type(j, space)
   Call: (214) [system] arg(_316598, v('(', ')', end_of_file), j)
   Fail: (214) [system] arg(_317530, v('(', ')', end_of_file), j)
^  Fail: (213) [user] is_delimiter(j)
   Call: (213) [system] ')'==j
   Fail: (213) [system] ')'==j
   Call: (213) [system] get_char((0x563acd73bee0), j)
   Exit: (213) [system] get_char((0x563acd73bee0), j)
   Call: (213) [system] j=(\)
   Fail: (213) [system] j=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _324880)
   Call: (214) [system] peek_char((0x563acd73bee0), _325814)
   Exit: (214) [system] peek_char((0x563acd73bee0), u)
^  Call: (214) [user] is_delimiter(u)
   Call: (215) [system] char_type(u, space)
   Fail: (215) [system] char_type(u, space)
   Call: (215) [system] arg(_330534, v('(', ')', end_of_file), u)
   Fail: (215) [system] arg(_331466, v('(', ')', end_of_file), u)
^  Fail: (214) [user] is_delimiter(u)
   Call: (214) [system] ')'==u
   Fail: (214) [system] ')'==u
   Call: (214) [system] get_char((0x563acd73bee0), u)
   Exit: (214) [system] get_char((0x563acd73bee0), u)
   Call: (214) [system] u=(\)
   Fail: (214) [system] u=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _338816)
   Call: (215) [system] peek_char((0x563acd73bee0), _339750)
   Exit: (215) [system] peek_char((0x563acd73bee0), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_344470, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_345402, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x563acd73bee0), n)
   Exit: (215) [system] get_char((0x563acd73bee0), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _352752)
   Call: (216) [system] peek_char((0x563acd73bee0), _353686)
   Exit: (216) [system] peek_char((0x563acd73bee0), c)
^  Call: (216) [user] is_delimiter(c)
   Call: (217) [system] char_type(c, space)
   Fail: (217) [system] char_type(c, space)
   Call: (217) [system] arg(_358406, v('(', ')', end_of_file), c)
   Fail: (217) [system] arg(_359338, v('(', ')', end_of_file), c)
^  Fail: (216) [user] is_delimiter(c)
   Call: (216) [system] ')'==c
   Fail: (216) [system] ')'==c
   Call: (216) [system] get_char((0x563acd73bee0), c)
   Exit: (216) [system] get_char((0x563acd73bee0), c)
   Call: (216) [system] c=(\)
   Fail: (216) [system] c=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _366688)
   Call: (217) [system] peek_char((0x563acd73bee0), _367622)
   Exit: (217) [system] peek_char((0x563acd73bee0), t)
^  Call: (217) [user] is_delimiter(t)
   Call: (218) [system] char_type(t, space)
   Fail: (218) [system] char_type(t, space)
   Call: (218) [system] arg(_372342, v('(', ')', end_of_file), t)
   Fail: (218) [system] arg(_373274, v('(', ')', end_of_file), t)
^  Fail: (217) [user] is_delimiter(t)
   Call: (217) [system] ')'==t
   Fail: (217) [system] ')'==t
   Call: (217) [system] get_char((0x563acd73bee0), t)
   Exit: (217) [system] get_char((0x563acd73bee0), t)
   Call: (217) [system] t=(\)
   Fail: (217) [system] t=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _380624)
   Call: (218) [system] peek_char((0x563acd73bee0), _381558)
   Exit: (218) [system] peek_char((0x563acd73bee0), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Fail: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_386278, v('(', ')', end_of_file), i)
   Fail: (219) [system] arg(_387210, v('(', ')', end_of_file), i)
^  Fail: (218) [user] is_delimiter(i)
   Call: (218) [system] ')'==i
   Fail: (218) [system] ')'==i
   Call: (218) [system] get_char((0x563acd73bee0), i)
   Exit: (218) [system] get_char((0x563acd73bee0), i)
   Call: (218) [system] i=(\)
   Fail: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _394560)
   Call: (219) [system] peek_char((0x563acd73bee0), _395494)
   Exit: (219) [system] peek_char((0x563acd73bee0), o)
^  Call: (219) [user] is_delimiter(o)
   Call: (220) [system] char_type(o, space)
   Fail: (220) [system] char_type(o, space)
   Call: (220) [system] arg(_400214, v('(', ')', end_of_file), o)
   Fail: (220) [system] arg(_401146, v('(', ')', end_of_file), o)
^  Fail: (219) [user] is_delimiter(o)
   Call: (219) [system] ')'==o
   Fail: (219) [system] ')'==o
   Call: (219) [system] get_char((0x563acd73bee0), o)
   Exit: (219) [system] get_char((0x563acd73bee0), o)
   Call: (219) [system] o=(\)
   Fail: (219) [system] o=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _408496)
   Call: (220) [system] peek_char((0x563acd73bee0), _409430)
   Exit: (220) [system] peek_char((0x563acd73bee0), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_414150, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_415082, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x563acd73bee0), n)
   Exit: (220) [system] get_char((0x563acd73bee0), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _422432)
   Call: (221) [system] peek_char((0x563acd73bee0), _423366)
   Exit: (221) [system] peek_char((0x563acd73bee0), 'I')
^  Call: (221) [user] is_delimiter('I')
   Call: (222) [system] char_type('I', space)
   Fail: (222) [system] char_type('I', space)
   Call: (222) [system] arg(_428086, v('(', ')', end_of_file), 'I')
   Fail: (222) [system] arg(_429018, v('(', ')', end_of_file), 'I')
^  Fail: (221) [user] is_delimiter('I')
   Call: (221) [system] ')'=='I'
   Fail: (221) [system] ')'=='I'
   Call: (221) [system] get_char((0x563acd73bee0), 'I')
   Exit: (221) [system] get_char((0x563acd73bee0), 'I')
   Call: (221) [system] 'I'=(\)
   Fail: (221) [system] 'I'=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _436368)
   Call: (222) [system] peek_char((0x563acd73bee0), _437302)
   Exit: (222) [system] peek_char((0x563acd73bee0), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_442022, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_442954, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x563acd73bee0), n)
   Exit: (222) [system] get_char((0x563acd73bee0), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _450304)
   Call: (223) [system] peek_char((0x563acd73bee0), _451238)
   Exit: (223) [system] peek_char((0x563acd73bee0), t)
^  Call: (223) [user] is_delimiter(t)
   Call: (224) [system] char_type(t, space)
   Fail: (224) [system] char_type(t, space)
   Call: (224) [system] arg(_455958, v('(', ')', end_of_file), t)
   Fail: (224) [system] arg(_456890, v('(', ')', end_of_file), t)
^  Fail: (223) [user] is_delimiter(t)
   Call: (223) [system] ')'==t
   Fail: (223) [system] ')'==t
   Call: (223) [system] get_char((0x563acd73bee0), t)
   Exit: (223) [system] get_char((0x563acd73bee0), t)
   Call: (223) [system] t=(\)
   Fail: (223) [system] t=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _464240)
   Call: (224) [system] peek_char((0x563acd73bee0), _465174)
   Exit: (224) [system] peek_char((0x563acd73bee0), r)
^  Call: (224) [user] is_delimiter(r)
   Call: (225) [system] char_type(r, space)
   Fail: (225) [system] char_type(r, space)
   Call: (225) [system] arg(_469894, v('(', ')', end_of_file), r)
   Fail: (225) [system] arg(_470826, v('(', ')', end_of_file), r)
^  Fail: (224) [user] is_delimiter(r)
   Call: (224) [system] ')'==r
   Fail: (224) [system] ')'==r
   Call: (224) [system] get_char((0x563acd73bee0), r)
   Exit: (224) [system] get_char((0x563acd73bee0), r)
   Call: (224) [system] r=(\)
   Fail: (224) [system] r=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _478176)
   Call: (225) [system] peek_char((0x563acd73bee0), _479110)
   Exit: (225) [system] peek_char((0x563acd73bee0), o)
^  Call: (225) [user] is_delimiter(o)
   Call: (226) [system] char_type(o, space)
   Fail: (226) [system] char_type(o, space)
   Call: (226) [system] arg(_483830, v('(', ')', end_of_file), o)
   Fail: (226) [system] arg(_484762, v('(', ')', end_of_file), o)
^  Fail: (225) [user] is_delimiter(o)
   Call: (225) [system] ')'==o
   Fail: (225) [system] ')'==o
   Call: (225) [system] get_char((0x563acd73bee0), o)
   Exit: (225) [system] get_char((0x563acd73bee0), o)
   Call: (225) [system] o=(\)
   Fail: (225) [system] o=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _492112)
   Call: (226) [system] peek_char((0x563acd73bee0), _493046)
   Exit: (226) [system] peek_char((0x563acd73bee0), d)
^  Call: (226) [user] is_delimiter(d)
   Call: (227) [system] char_type(d, space)
   Fail: (227) [system] char_type(d, space)
   Call: (227) [system] arg(_497766, v('(', ')', end_of_file), d)
   Fail: (227) [system] arg(_498698, v('(', ')', end_of_file), d)
^  Fail: (226) [user] is_delimiter(d)
   Call: (226) [system] ')'==d
   Fail: (226) [system] ')'==d
   Call: (226) [system] get_char((0x563acd73bee0), d)
   Exit: (226) [system] get_char((0x563acd73bee0), d)
   Call: (226) [system] d=(\)
   Fail: (226) [system] d=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _506048)
   Call: (227) [system] peek_char((0x563acd73bee0), _506982)
   Exit: (227) [system] peek_char((0x563acd73bee0), u)
^  Call: (227) [user] is_delimiter(u)
   Call: (228) [system] char_type(u, space)
   Fail: (228) [system] char_type(u, space)
   Call: (228) [system] arg(_511702, v('(', ')', end_of_file), u)
   Fail: (228) [system] arg(_512634, v('(', ')', end_of_file), u)
^  Fail: (227) [user] is_delimiter(u)
   Call: (227) [system] ')'==u
   Fail: (227) [system] ')'==u
   Call: (227) [system] get_char((0x563acd73bee0), u)
   Exit: (227) [system] get_char((0x563acd73bee0), u)
   Call: (227) [system] u=(\)
   Fail: (227) [system] u=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _519984)
   Call: (228) [system] peek_char((0x563acd73bee0), _520918)
   Exit: (228) [system] peek_char((0x563acd73bee0), c)
^  Call: (228) [user] is_delimiter(c)
   Call: (229) [system] char_type(c, space)
   Fail: (229) [system] char_type(c, space)
   Call: (229) [system] arg(_525638, v('(', ')', end_of_file), c)
   Fail: (229) [system] arg(_526570, v('(', ')', end_of_file), c)
^  Fail: (228) [user] is_delimiter(c)
   Call: (228) [system] ')'==c
   Fail: (228) [system] ')'==c
   Call: (228) [system] get_char((0x563acd73bee0), c)
   Exit: (228) [system] get_char((0x563acd73bee0), c)
   Call: (228) [system] c=(\)
   Fail: (228) [system] c=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _533920)
   Call: (229) [system] peek_char((0x563acd73bee0), _534854)
   Exit: (229) [system] peek_char((0x563acd73bee0), t)
^  Call: (229) [user] is_delimiter(t)
   Call: (230) [system] char_type(t, space)
   Fail: (230) [system] char_type(t, space)
   Call: (230) [system] arg(_539574, v('(', ')', end_of_file), t)
   Fail: (230) [system] arg(_540506, v('(', ')', end_of_file), t)
^  Fail: (229) [user] is_delimiter(t)
   Call: (229) [system] ')'==t
   Fail: (229) [system] ')'==t
   Call: (229) [system] get_char((0x563acd73bee0), t)
   Exit: (229) [system] get_char((0x563acd73bee0), t)
   Call: (229) [system] t=(\)
   Fail: (229) [system] t=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _547856)
   Call: (230) [system] peek_char((0x563acd73bee0), _548790)
   Exit: (230) [system] peek_char((0x563acd73bee0), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Fail: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_553510, v('(', ')', end_of_file), i)
   Fail: (231) [system] arg(_554442, v('(', ')', end_of_file), i)
^  Fail: (230) [user] is_delimiter(i)
   Call: (230) [system] ')'==i
   Fail: (230) [system] ')'==i
   Call: (230) [system] get_char((0x563acd73bee0), i)
   Exit: (230) [system] get_char((0x563acd73bee0), i)
   Call: (230) [system] i=(\)
   Fail: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _561792)
   Call: (231) [system] peek_char((0x563acd73bee0), _562726)
   Exit: (231) [system] peek_char((0x563acd73bee0), o)
^  Call: (231) [user] is_delimiter(o)
   Call: (232) [system] char_type(o, space)
   Fail: (232) [system] char_type(o, space)
   Call: (232) [system] arg(_567446, v('(', ')', end_of_file), o)
   Fail: (232) [system] arg(_568378, v('(', ')', end_of_file), o)
^  Fail: (231) [user] is_delimiter(o)
   Call: (231) [system] ')'==o
   Fail: (231) [system] ')'==o
   Call: (231) [system] get_char((0x563acd73bee0), o)
   Exit: (231) [system] get_char((0x563acd73bee0), o)
   Call: (231) [system] o=(\)
   Fail: (231) [system] o=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _575728)
   Call: (232) [system] peek_char((0x563acd73bee0), _576662)
   Exit: (232) [system] peek_char((0x563acd73bee0), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Fail: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_581382, v('(', ')', end_of_file), n)
   Fail: (233) [system] arg(_582314, v('(', ')', end_of_file), n)
^  Fail: (232) [user] is_delimiter(n)
   Call: (232) [system] ')'==n
   Fail: (232) [system] ')'==n
   Call: (232) [system] get_char((0x563acd73bee0), n)
   Exit: (232) [system] get_char((0x563acd73bee0), n)
   Call: (232) [system] n=(\)
   Fail: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _589664)
   Call: (233) [system] peek_char((0x563acd73bee0), _590598)
   Exit: (233) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _589664=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (232) [system] _575728=[n]
   Exit: (232) [system] [n]=[n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (231) [system] _561792=[o, n]
   Exit: (231) [system] [o, n]=[o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (230) [system] _547856=[i, o, n]
   Exit: (230) [system] [i, o, n]=[i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (229) [system] _533920=[t, i, o, n]
   Exit: (229) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (228) [system] _519984=[c, t, i, o, n]
   Exit: (228) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n])
   Call: (227) [system] _506048=[u, c, t, i, o, n]
   Exit: (227) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, i, o, n])
   Call: (226) [system] _492112=[d, u, c, t, i, o, n]
   Exit: (226) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, u, c, t, i, o, n])
   Call: (225) [system] _478176=[o, d, u, c, t, i, o, n]
   Exit: (225) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, d, u, c, t, i, o, n])
   Call: (224) [system] _464240=[r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _450304=[t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _436368=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _422432=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _408496=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _394560=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _380624=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _366688=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _352752=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _338816=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _324880=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _310944=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _297008=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _283072=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (210) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _247562)
^  Call: (211) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _661350)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_662302, _662304), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _661350), _662284, fail)), '$restore_trace'(_662302, _662304))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_662302, _662304))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _661350), _662284, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_661350)
   Fail: (212) [system] atomic(_661350)
   Call: (212) [system] atom_chars(_661350, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (212) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (211) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (211) [system] integer('DisjunctionIntroduction')
   Fail: (211) [system] integer('DisjunctionIntroduction')
   Call: (211) [system] _247562='DisjunctionIntroduction'
   Exit: (211) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (210) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (209) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'DisjunctionIntroduction')
^  Exit: (208) [user] cont_sexpr(')', (0x563acd73bee0), 'DisjunctionIntroduction')
^  Call: (208) [user] read_list(')', (0x563acd73bee0), _676300)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _678158)
   Exit: (210) [system] peek_char((0x563acd73bee0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x563acd73bee0), _687752)
   Exit: (210) [system] get_char((0x563acd73bee0), ' ')
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _690456)
   Exit: (211) [system] peek_char((0x563acd73bee0), a)
   Call: (211) [system] a=(;)
   Fail: (211) [system] a=(;)
   Call: (211) [system] a=(/)
   Fail: (211) [system] a=(/)
^  Call: (211) [user] is_like_space(a)
   Call: (212) [system] char_type(a, 'white')
   Fail: (212) [system] char_type(a, 'white')
   Call: (212) [system] char_type(a, end_of_line)
   Fail: (212) [system] char_type(a, end_of_line)
   Call: (212) [system] char_type(a, space)
   Fail: (212) [system] char_type(a, space)
   Call: (212) [system] char_type(a, cntrl)
   Fail: (212) [system] char_type(a, cntrl)
^  Fail: (211) [user] is_like_space(a)
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _707390)
   Exit: (209) [system] peek_char((0x563acd73bee0), a)
   Call: (209) [system] a=')'
   Fail: (209) [system] a=')'
   Call: (209) [system] a=end_of_file
   Fail: (209) [system] a=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x563acd73bee0), _712960)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _714818)
   Exit: (211) [system] peek_char((0x563acd73bee0), a)
   Call: (211) [system] a=(;)
   Fail: (211) [system] a=(;)
   Call: (211) [system] a=(/)
   Fail: (211) [system] a=(/)
^  Call: (211) [user] is_like_space(a)
   Call: (212) [system] char_type(a, 'white')
   Fail: (212) [system] char_type(a, 'white')
   Call: (212) [system] char_type(a, end_of_line)
   Fail: (212) [system] char_type(a, end_of_line)
   Call: (212) [system] char_type(a, space)
   Fail: (212) [system] char_type(a, space)
   Call: (212) [system] char_type(a, cntrl)
   Fail: (212) [system] char_type(a, cntrl)
^  Fail: (211) [user] is_like_space(a)
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] get_char((0x563acd73bee0), _730828)
   Exit: (210) [system] get_char((0x563acd73bee0), a)
   Call: (210) [system] a='('
   Fail: (210) [system] a='('
   Call: (210) [system] a='['
   Fail: (210) [system] a='['
   Call: (210) [system] a='{'
   Fail: (210) [system] a='{'
   Call: (210) [system] a='"'
   Fail: (210) [system] a='"'
   Call: (210) [system] a=!
   Fail: (210) [system] a=!
   Call: (210) [system] a='\''
   Fail: (210) [system] a='\''
   Call: (210) [system] a='`'
   Fail: (210) [system] a='`'
   Call: (210) [system] a=end_of_file
   Fail: (210) [system] a=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x563acd73bee0), a, _712960)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _748470)
   Call: (212) [system] peek_char((0x563acd73bee0), _749404)
   Exit: (212) [system] peek_char((0x563acd73bee0), b)
^  Call: (212) [user] is_delimiter(b)
   Call: (213) [system] char_type(b, space)
   Fail: (213) [system] char_type(b, space)
   Call: (213) [system] arg(_754124, v('(', ')', end_of_file), b)
   Fail: (213) [system] arg(_755056, v('(', ')', end_of_file), b)
^  Fail: (212) [user] is_delimiter(b)
   Call: (212) [system] ')'==b
   Fail: (212) [system] ')'==b
   Call: (212) [system] get_char((0x563acd73bee0), b)
   Exit: (212) [system] get_char((0x563acd73bee0), b)
   Call: (212) [system] b=(\)
   Fail: (212) [system] b=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _762406)
   Call: (213) [system] peek_char((0x563acd73bee0), _763340)
   Exit: (213) [system] peek_char((0x563acd73bee0), c)
^  Call: (213) [user] is_delimiter(c)
   Call: (214) [system] char_type(c, space)
   Fail: (214) [system] char_type(c, space)
   Call: (214) [system] arg(_768060, v('(', ')', end_of_file), c)
   Fail: (214) [system] arg(_768992, v('(', ')', end_of_file), c)
^  Fail: (213) [user] is_delimiter(c)
   Call: (213) [system] ')'==c
   Fail: (213) [system] ')'==c
   Call: (213) [system] get_char((0x563acd73bee0), c)
   Exit: (213) [system] get_char((0x563acd73bee0), c)
   Call: (213) [system] c=(\)
   Fail: (213) [system] c=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _776342)
   Call: (214) [system] peek_char((0x563acd73bee0), _777276)
   Exit: (214) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _776342=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (213) [system] _762406=[c]
   Exit: (213) [system] [c]=[c]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [c])
   Call: (212) [system] _748470=[b, c]
   Exit: (212) [system] [b, c]=[b, c]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [b, c])
^  Call: (211) [user] classify_and_convert_charseq([a, b, c], _712960)
^  Call: (212) [user] classify_and_convert_charseq_([a, b, c], _792148)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_793100, _793102), once(user:catch(read_from_chars([a, b, c], _792148), _793082, fail)), '$restore_trace'(_793100, _793102))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_793100, _793102))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _793082, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(abc)
   Exit: (213) [system] atomic(abc)
^  Exit: (212) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (212) [system] integer(abc)
   Fail: (212) [system] integer(abc)
   Call: (212) [system] _712960=abc
   Exit: (212) [system] abc=abc
^  Exit: (211) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (210) [user] read_symbolic(')', (0x563acd73bee0), a, abc)
^  Exit: (209) [user] cont_sexpr(')', (0x563acd73bee0), abc)
^  Call: (209) [user] read_list(')', (0x563acd73bee0), _805228)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _807086)
   Exit: (211) [system] peek_char((0x563acd73bee0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x563acd73bee0), _816680)
   Exit: (211) [system] get_char((0x563acd73bee0), ' ')
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _819384)
   Exit: (212) [system] peek_char((0x563acd73bee0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _836318)
   Exit: (210) [system] peek_char((0x563acd73bee0), '(')
   Call: (210) [system] '('=')'
   Fail: (210) [system] '('=')'
   Call: (210) [system] '('=end_of_file
   Fail: (210) [system] '('=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x563acd73bee0), _841888)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _843746)
   Exit: (212) [system] peek_char((0x563acd73bee0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] get_char((0x563acd73bee0), _859756)
   Exit: (211) [system] get_char((0x563acd73bee0), '(')
   Call: (211) [system] '('='('
   Exit: (211) [system] '('='('
^  Call: (211) [user] read_list(')', (0x563acd73bee0), _841888)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _865326)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'D')
   Call: (213) [system] 'D'=(;)
   Fail: (213) [system] 'D'=(;)
   Call: (213) [system] 'D'=(/)
   Fail: (213) [system] 'D'=(/)
^  Call: (213) [user] is_like_space('D')
   Call: (214) [system] char_type('D', 'white')
   Fail: (214) [system] char_type('D', 'white')
   Call: (214) [system] char_type('D', end_of_line)
   Fail: (214) [system] char_type('D', end_of_line)
   Call: (214) [system] char_type('D', space)
   Fail: (214) [system] char_type('D', space)
   Call: (214) [system] char_type('D', cntrl)
   Fail: (214) [system] char_type('D', cntrl)
^  Fail: (213) [user] is_like_space('D')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _881336)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'D')
   Call: (212) [system] 'D'=')'
   Fail: (212) [system] 'D'=')'
   Call: (212) [system] 'D'=end_of_file
   Fail: (212) [system] 'D'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x563acd73bee0), _886906)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _888764)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'D')
   Call: (214) [system] 'D'=(;)
   Fail: (214) [system] 'D'=(;)
   Call: (214) [system] 'D'=(/)
   Fail: (214) [system] 'D'=(/)
^  Call: (214) [user] is_like_space('D')
   Call: (215) [system] char_type('D', 'white')
   Fail: (215) [system] char_type('D', 'white')
   Call: (215) [system] char_type('D', end_of_line)
   Fail: (215) [system] char_type('D', end_of_line)
   Call: (215) [system] char_type('D', space)
   Fail: (215) [system] char_type('D', space)
   Call: (215) [system] char_type('D', cntrl)
   Fail: (215) [system] char_type('D', cntrl)
^  Fail: (214) [user] is_like_space('D')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] get_char((0x563acd73bee0), _904774)
   Exit: (213) [system] get_char((0x563acd73bee0), 'D')
   Call: (213) [system] 'D'='('
   Fail: (213) [system] 'D'='('
   Call: (213) [system] 'D'='['
   Fail: (213) [system] 'D'='['
   Call: (213) [system] 'D'='{'
   Fail: (213) [system] 'D'='{'
   Call: (213) [system] 'D'='"'
   Fail: (213) [system] 'D'='"'
   Call: (213) [system] 'D'=!
   Fail: (213) [system] 'D'=!
   Call: (213) [system] 'D'='\''
   Fail: (213) [system] 'D'='\''
   Call: (213) [system] 'D'='`'
   Fail: (213) [system] 'D'='`'
   Call: (213) [system] 'D'=end_of_file
   Fail: (213) [system] 'D'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x563acd73bee0), 'D', _886906)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _922416)
   Call: (215) [system] peek_char((0x563acd73bee0), _923350)
   Exit: (215) [system] peek_char((0x563acd73bee0), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Fail: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_928070, v('(', ')', end_of_file), i)
   Fail: (216) [system] arg(_929002, v('(', ')', end_of_file), i)
^  Fail: (215) [user] is_delimiter(i)
   Call: (215) [system] ')'==i
   Fail: (215) [system] ')'==i
   Call: (215) [system] get_char((0x563acd73bee0), i)
   Exit: (215) [system] get_char((0x563acd73bee0), i)
   Call: (215) [system] i=(\)
   Fail: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _936352)
   Call: (216) [system] peek_char((0x563acd73bee0), _937286)
   Exit: (216) [system] peek_char((0x563acd73bee0), s)
^  Call: (216) [user] is_delimiter(s)
   Call: (217) [system] char_type(s, space)
   Fail: (217) [system] char_type(s, space)
   Call: (217) [system] arg(_942006, v('(', ')', end_of_file), s)
   Fail: (217) [system] arg(_942938, v('(', ')', end_of_file), s)
^  Fail: (216) [user] is_delimiter(s)
   Call: (216) [system] ')'==s
   Fail: (216) [system] ')'==s
   Call: (216) [system] get_char((0x563acd73bee0), s)
   Exit: (216) [system] get_char((0x563acd73bee0), s)
   Call: (216) [system] s=(\)
   Fail: (216) [system] s=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _950288)
   Call: (217) [system] peek_char((0x563acd73bee0), _951222)
   Exit: (217) [system] peek_char((0x563acd73bee0), j)
^  Call: (217) [user] is_delimiter(j)
   Call: (218) [system] char_type(j, space)
   Fail: (218) [system] char_type(j, space)
   Call: (218) [system] arg(_955942, v('(', ')', end_of_file), j)
   Fail: (218) [system] arg(_956874, v('(', ')', end_of_file), j)
^  Fail: (217) [user] is_delimiter(j)
   Call: (217) [system] ')'==j
   Fail: (217) [system] ')'==j
   Call: (217) [system] get_char((0x563acd73bee0), j)
   Exit: (217) [system] get_char((0x563acd73bee0), j)
   Call: (217) [system] j=(\)
   Fail: (217) [system] j=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _964224)
   Call: (218) [system] peek_char((0x563acd73bee0), _965158)
   Exit: (218) [system] peek_char((0x563acd73bee0), u)
^  Call: (218) [user] is_delimiter(u)
   Call: (219) [system] char_type(u, space)
   Fail: (219) [system] char_type(u, space)
   Call: (219) [system] arg(_969878, v('(', ')', end_of_file), u)
   Fail: (219) [system] arg(_970810, v('(', ')', end_of_file), u)
^  Fail: (218) [user] is_delimiter(u)
   Call: (218) [system] ')'==u
   Fail: (218) [system] ')'==u
   Call: (218) [system] get_char((0x563acd73bee0), u)
   Exit: (218) [system] get_char((0x563acd73bee0), u)
   Call: (218) [system] u=(\)
   Fail: (218) [system] u=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _978160)
   Call: (219) [system] peek_char((0x563acd73bee0), _979094)
   Exit: (219) [system] peek_char((0x563acd73bee0), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_983814, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_984746, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x563acd73bee0), n)
   Exit: (219) [system] get_char((0x563acd73bee0), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _992096)
   Call: (220) [system] peek_char((0x563acd73bee0), _993030)
   Exit: (220) [system] peek_char((0x563acd73bee0), c)
^  Call: (220) [user] is_delimiter(c)
   Call: (221) [system] char_type(c, space)
   Fail: (221) [system] char_type(c, space)
   Call: (221) [system] arg(_997750, v('(', ')', end_of_file), c)
   Fail: (221) [system] arg(_998682, v('(', ')', end_of_file), c)
^  Fail: (220) [user] is_delimiter(c)
   Call: (220) [system] ')'==c
   Fail: (220) [system] ')'==c
   Call: (220) [system] get_char((0x563acd73bee0), c)
   Exit: (220) [system] get_char((0x563acd73bee0), c)
   Call: (220) [system] c=(\)
   Fail: (220) [system] c=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _1006032)
   Call: (221) [system] peek_char((0x563acd73bee0), _1006966)
   Exit: (221) [system] peek_char((0x563acd73bee0), t)
^  Call: (221) [user] is_delimiter(t)
   Call: (222) [system] char_type(t, space)
   Fail: (222) [system] char_type(t, space)
   Call: (222) [system] arg(_1011686, v('(', ')', end_of_file), t)
   Fail: (222) [system] arg(_1012618, v('(', ')', end_of_file), t)
^  Fail: (221) [user] is_delimiter(t)
   Call: (221) [system] ')'==t
   Fail: (221) [system] ')'==t
   Call: (221) [system] get_char((0x563acd73bee0), t)
   Exit: (221) [system] get_char((0x563acd73bee0), t)
   Call: (221) [system] t=(\)
   Fail: (221) [system] t=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _1019968)
   Call: (222) [system] peek_char((0x563acd73bee0), _1020902)
   Exit: (222) [system] peek_char((0x563acd73bee0), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_1025622, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_1026554, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x563acd73bee0), i)
   Exit: (222) [system] get_char((0x563acd73bee0), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _1033904)
   Call: (223) [system] peek_char((0x563acd73bee0), _1034838)
   Exit: (223) [system] peek_char((0x563acd73bee0), o)
^  Call: (223) [user] is_delimiter(o)
   Call: (224) [system] char_type(o, space)
   Fail: (224) [system] char_type(o, space)
   Call: (224) [system] arg(_1039558, v('(', ')', end_of_file), o)
   Fail: (224) [system] arg(_1040490, v('(', ')', end_of_file), o)
^  Fail: (223) [user] is_delimiter(o)
   Call: (223) [system] ')'==o
   Fail: (223) [system] ')'==o
   Call: (223) [system] get_char((0x563acd73bee0), o)
   Exit: (223) [system] get_char((0x563acd73bee0), o)
   Call: (223) [system] o=(\)
   Fail: (223) [system] o=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _1047840)
   Call: (224) [system] peek_char((0x563acd73bee0), _1048774)
   Exit: (224) [system] peek_char((0x563acd73bee0), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_1053494, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_1054426, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x563acd73bee0), n)
   Exit: (224) [system] get_char((0x563acd73bee0), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _1061776)
   Call: (225) [system] peek_char((0x563acd73bee0), _1062710)
   Exit: (225) [system] peek_char((0x563acd73bee0), 'I')
^  Call: (225) [user] is_delimiter('I')
   Call: (226) [system] char_type('I', space)
   Fail: (226) [system] char_type('I', space)
   Call: (226) [system] arg(_1067430, v('(', ')', end_of_file), 'I')
   Fail: (226) [system] arg(_1068362, v('(', ')', end_of_file), 'I')
^  Fail: (225) [user] is_delimiter('I')
   Call: (225) [system] ')'=='I'
   Fail: (225) [system] ')'=='I'
   Call: (225) [system] get_char((0x563acd73bee0), 'I')
   Exit: (225) [system] get_char((0x563acd73bee0), 'I')
   Call: (225) [system] 'I'=(\)
   Fail: (225) [system] 'I'=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _1075712)
   Call: (226) [system] peek_char((0x563acd73bee0), _1076646)
   Exit: (226) [system] peek_char((0x563acd73bee0), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_1081366, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_1082298, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x563acd73bee0), n)
   Exit: (226) [system] get_char((0x563acd73bee0), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _1089648)
   Call: (227) [system] peek_char((0x563acd73bee0), _1090582)
   Exit: (227) [system] peek_char((0x563acd73bee0), t)
^  Call: (227) [user] is_delimiter(t)
   Call: (228) [system] char_type(t, space)
   Fail: (228) [system] char_type(t, space)
   Call: (228) [system] arg(_1095302, v('(', ')', end_of_file), t)
   Fail: (228) [system] arg(_1096234, v('(', ')', end_of_file), t)
^  Fail: (227) [user] is_delimiter(t)
   Call: (227) [system] ')'==t
   Fail: (227) [system] ')'==t
   Call: (227) [system] get_char((0x563acd73bee0), t)
   Exit: (227) [system] get_char((0x563acd73bee0), t)
   Call: (227) [system] t=(\)
   Fail: (227) [system] t=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _1103584)
   Call: (228) [system] peek_char((0x563acd73bee0), _1104518)
   Exit: (228) [system] peek_char((0x563acd73bee0), r)
^  Call: (228) [user] is_delimiter(r)
   Call: (229) [system] char_type(r, space)
   Fail: (229) [system] char_type(r, space)
   Call: (229) [system] arg(_1109238, v('(', ')', end_of_file), r)
   Fail: (229) [system] arg(_1110170, v('(', ')', end_of_file), r)
^  Fail: (228) [user] is_delimiter(r)
   Call: (228) [system] ')'==r
   Fail: (228) [system] ')'==r
   Call: (228) [system] get_char((0x563acd73bee0), r)
   Exit: (228) [system] get_char((0x563acd73bee0), r)
   Call: (228) [system] r=(\)
   Fail: (228) [system] r=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _1117520)
   Call: (229) [system] peek_char((0x563acd73bee0), _1118454)
   Exit: (229) [system] peek_char((0x563acd73bee0), o)
^  Call: (229) [user] is_delimiter(o)
   Call: (230) [system] char_type(o, space)
   Fail: (230) [system] char_type(o, space)
   Call: (230) [system] arg(_1123174, v('(', ')', end_of_file), o)
   Fail: (230) [system] arg(_1124106, v('(', ')', end_of_file), o)
^  Fail: (229) [user] is_delimiter(o)
   Call: (229) [system] ')'==o
   Fail: (229) [system] ')'==o
   Call: (229) [system] get_char((0x563acd73bee0), o)
   Exit: (229) [system] get_char((0x563acd73bee0), o)
   Call: (229) [system] o=(\)
   Fail: (229) [system] o=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _1131456)
   Call: (230) [system] peek_char((0x563acd73bee0), _1132390)
   Exit: (230) [system] peek_char((0x563acd73bee0), d)
^  Call: (230) [user] is_delimiter(d)
   Call: (231) [system] char_type(d, space)
   Fail: (231) [system] char_type(d, space)
   Call: (231) [system] arg(_1137110, v('(', ')', end_of_file), d)
   Fail: (231) [system] arg(_1138042, v('(', ')', end_of_file), d)
^  Fail: (230) [user] is_delimiter(d)
   Call: (230) [system] ')'==d
   Fail: (230) [system] ')'==d
   Call: (230) [system] get_char((0x563acd73bee0), d)
   Exit: (230) [system] get_char((0x563acd73bee0), d)
   Call: (230) [system] d=(\)
   Fail: (230) [system] d=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _1145392)
   Call: (231) [system] peek_char((0x563acd73bee0), _1146326)
   Exit: (231) [system] peek_char((0x563acd73bee0), u)
^  Call: (231) [user] is_delimiter(u)
   Call: (232) [system] char_type(u, space)
   Fail: (232) [system] char_type(u, space)
   Call: (232) [system] arg(_1151046, v('(', ')', end_of_file), u)
   Fail: (232) [system] arg(_1151978, v('(', ')', end_of_file), u)
^  Fail: (231) [user] is_delimiter(u)
   Call: (231) [system] ')'==u
   Fail: (231) [system] ')'==u
   Call: (231) [system] get_char((0x563acd73bee0), u)
   Exit: (231) [system] get_char((0x563acd73bee0), u)
   Call: (231) [system] u=(\)
   Fail: (231) [system] u=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _1159328)
   Call: (232) [system] peek_char((0x563acd73bee0), _1160262)
   Exit: (232) [system] peek_char((0x563acd73bee0), c)
^  Call: (232) [user] is_delimiter(c)
   Call: (233) [system] char_type(c, space)
   Fail: (233) [system] char_type(c, space)
   Call: (233) [system] arg(_1164982, v('(', ')', end_of_file), c)
   Fail: (233) [system] arg(_1165914, v('(', ')', end_of_file), c)
^  Fail: (232) [user] is_delimiter(c)
   Call: (232) [system] ')'==c
   Fail: (232) [system] ')'==c
   Call: (232) [system] get_char((0x563acd73bee0), c)
   Exit: (232) [system] get_char((0x563acd73bee0), c)
   Call: (232) [system] c=(\)
   Fail: (232) [system] c=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _1173264)
   Call: (233) [system] peek_char((0x563acd73bee0), _1174198)
   Exit: (233) [system] peek_char((0x563acd73bee0), t)
^  Call: (233) [user] is_delimiter(t)
   Call: (234) [system] char_type(t, space)
   Fail: (234) [system] char_type(t, space)
   Call: (234) [system] arg(_1178918, v('(', ')', end_of_file), t)
   Fail: (234) [system] arg(_1179850, v('(', ')', end_of_file), t)
^  Fail: (233) [user] is_delimiter(t)
   Call: (233) [system] ')'==t
   Fail: (233) [system] ')'==t
   Call: (233) [system] get_char((0x563acd73bee0), t)
   Exit: (233) [system] get_char((0x563acd73bee0), t)
   Call: (233) [system] t=(\)
   Fail: (233) [system] t=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), _1187200)
   Call: (234) [system] peek_char((0x563acd73bee0), _1188134)
   Exit: (234) [system] peek_char((0x563acd73bee0), i)
^  Call: (234) [user] is_delimiter(i)
   Call: (235) [system] char_type(i, space)
   Fail: (235) [system] char_type(i, space)
   Call: (235) [system] arg(_1192854, v('(', ')', end_of_file), i)
   Fail: (235) [system] arg(_1193786, v('(', ')', end_of_file), i)
^  Fail: (234) [user] is_delimiter(i)
   Call: (234) [system] ')'==i
   Fail: (234) [system] ')'==i
   Call: (234) [system] get_char((0x563acd73bee0), i)
   Exit: (234) [system] get_char((0x563acd73bee0), i)
   Call: (234) [system] i=(\)
   Fail: (234) [system] i=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), _1201136)
   Call: (235) [system] peek_char((0x563acd73bee0), _1202070)
   Exit: (235) [system] peek_char((0x563acd73bee0), o)
^  Call: (235) [user] is_delimiter(o)
   Call: (236) [system] char_type(o, space)
   Fail: (236) [system] char_type(o, space)
   Call: (236) [system] arg(_1206790, v('(', ')', end_of_file), o)
   Fail: (236) [system] arg(_1207722, v('(', ')', end_of_file), o)
^  Fail: (235) [user] is_delimiter(o)
   Call: (235) [system] ')'==o
   Fail: (235) [system] ')'==o
   Call: (235) [system] get_char((0x563acd73bee0), o)
   Exit: (235) [system] get_char((0x563acd73bee0), o)
   Call: (235) [system] o=(\)
   Fail: (235) [system] o=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), _1215072)
   Call: (236) [system] peek_char((0x563acd73bee0), _1216006)
   Exit: (236) [system] peek_char((0x563acd73bee0), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Fail: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_1220726, v('(', ')', end_of_file), n)
   Fail: (237) [system] arg(_1221658, v('(', ')', end_of_file), n)
^  Fail: (236) [user] is_delimiter(n)
   Call: (236) [system] ')'==n
   Fail: (236) [system] ')'==n
   Call: (236) [system] get_char((0x563acd73bee0), n)
   Exit: (236) [system] get_char((0x563acd73bee0), n)
   Call: (236) [system] n=(\)
   Fail: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), _1229008)
   Call: (237) [system] peek_char((0x563acd73bee0), _1229942)
   Exit: (237) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (237) [user] is_delimiter(' ')
   Call: (238) [system] char_type(' ', space)
   Exit: (238) [system] char_type(' ', space)
^  Exit: (237) [user] is_delimiter(' ')
   Call: (237) [system] _1229008=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (236) [system] _1215072=[n]
   Exit: (236) [system] [n]=[n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (235) [system] _1201136=[o, n]
   Exit: (235) [system] [o, n]=[o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (234) [system] _1187200=[i, o, n]
   Exit: (234) [system] [i, o, n]=[i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (233) [system] _1173264=[t, i, o, n]
   Exit: (233) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (232) [system] _1159328=[c, t, i, o, n]
   Exit: (232) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n])
   Call: (231) [system] _1145392=[u, c, t, i, o, n]
   Exit: (231) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, i, o, n])
   Call: (230) [system] _1131456=[d, u, c, t, i, o, n]
   Exit: (230) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, u, c, t, i, o, n])
   Call: (229) [system] _1117520=[o, d, u, c, t, i, o, n]
   Exit: (229) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, d, u, c, t, i, o, n])
   Call: (228) [system] _1103584=[r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _1089648=[t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _1075712=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _1061776=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1047840=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1033904=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1019968=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1006032=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _992096=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _978160=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _964224=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _950288=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _936352=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _922416=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (214) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _886906)
^  Call: (215) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1300694)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_1301646, _1301648), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1300694), _1301628, fail)), '$restore_trace'(_1301646, _1301648))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_1301646, _1301648))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1300694), _1301628, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_1300694)
   Fail: (216) [system] atomic(_1300694)
   Call: (216) [system] atom_chars(_1300694, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (216) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (215) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (215) [system] integer('DisjunctionIntroduction')
   Fail: (215) [system] integer('DisjunctionIntroduction')
   Call: (215) [system] _886906='DisjunctionIntroduction'
   Exit: (215) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (214) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (213) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'DisjunctionIntroduction')
^  Exit: (212) [user] cont_sexpr(')', (0x563acd73bee0), 'DisjunctionIntroduction')
^  Call: (212) [user] read_list(')', (0x563acd73bee0), _1315644)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1317502)
   Exit: (214) [system] peek_char((0x563acd73bee0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x563acd73bee0), _1327096)
   Exit: (214) [system] get_char((0x563acd73bee0), ' ')
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1329800)
   Exit: (215) [system] peek_char((0x563acd73bee0), a)
   Call: (215) [system] a=(;)
   Fail: (215) [system] a=(;)
   Call: (215) [system] a=(/)
   Fail: (215) [system] a=(/)
^  Call: (215) [user] is_like_space(a)
   Call: (216) [system] char_type(a, 'white')
   Fail: (216) [system] char_type(a, 'white')
   Call: (216) [system] char_type(a, end_of_line)
   Fail: (216) [system] char_type(a, end_of_line)
   Call: (216) [system] char_type(a, space)
   Fail: (216) [system] char_type(a, space)
   Call: (216) [system] char_type(a, cntrl)
   Fail: (216) [system] char_type(a, cntrl)
^  Fail: (215) [user] is_like_space(a)
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1346734)
   Exit: (213) [system] peek_char((0x563acd73bee0), a)
   Call: (213) [system] a=')'
   Fail: (213) [system] a=')'
   Call: (213) [system] a=end_of_file
   Fail: (213) [system] a=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x563acd73bee0), _1352304)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1354162)
   Exit: (215) [system] peek_char((0x563acd73bee0), a)
   Call: (215) [system] a=(;)
   Fail: (215) [system] a=(;)
   Call: (215) [system] a=(/)
   Fail: (215) [system] a=(/)
^  Call: (215) [user] is_like_space(a)
   Call: (216) [system] char_type(a, 'white')
   Fail: (216) [system] char_type(a, 'white')
   Call: (216) [system] char_type(a, end_of_line)
   Fail: (216) [system] char_type(a, end_of_line)
   Call: (216) [system] char_type(a, space)
   Fail: (216) [system] char_type(a, space)
   Call: (216) [system] char_type(a, cntrl)
   Fail: (216) [system] char_type(a, cntrl)
^  Fail: (215) [user] is_like_space(a)
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] get_char((0x563acd73bee0), _1370172)
   Exit: (214) [system] get_char((0x563acd73bee0), a)
   Call: (214) [system] a='('
   Fail: (214) [system] a='('
   Call: (214) [system] a='['
   Fail: (214) [system] a='['
   Call: (214) [system] a='{'
   Fail: (214) [system] a='{'
   Call: (214) [system] a='"'
   Fail: (214) [system] a='"'
   Call: (214) [system] a=!
   Fail: (214) [system] a=!
   Call: (214) [system] a='\''
   Fail: (214) [system] a='\''
   Call: (214) [system] a='`'
   Fail: (214) [system] a='`'
   Call: (214) [system] a=end_of_file
   Fail: (214) [system] a=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x563acd73bee0), a, _1352304)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _1387814)
   Call: (216) [system] peek_char((0x563acd73bee0), _1388748)
   Exit: (216) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _1387814=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (215) [user] classify_and_convert_charseq([a], _1352304)
^  Call: (216) [user] classify_and_convert_charseq_([a], _1398032)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1398984, _1398986), once(user:catch(read_from_chars([a], _1398032), _1398966, fail)), '$restore_trace'(_1398984, _1398986))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1398984, _1398986))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1398966, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(a)
   Exit: (217) [system] atomic(a)
^  Exit: (216) [user] classify_and_convert_charseq_([a], a)
   Call: (216) [system] integer(a)
   Fail: (216) [system] integer(a)
   Call: (216) [system] _1352304=a
   Exit: (216) [system] a=a
^  Exit: (215) [user] classify_and_convert_charseq([a], a)
^  Exit: (214) [user] read_symbolic(')', (0x563acd73bee0), a, a)
^  Exit: (213) [user] cont_sexpr(')', (0x563acd73bee0), a)
^  Call: (213) [user] read_list(')', (0x563acd73bee0), _1411112)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1412970)
   Exit: (215) [system] peek_char((0x563acd73bee0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x563acd73bee0), _1422564)
   Exit: (215) [system] get_char((0x563acd73bee0), ' ')
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1425268)
   Exit: (216) [system] peek_char((0x563acd73bee0), c)
   Call: (216) [system] c=(;)
   Fail: (216) [system] c=(;)
   Call: (216) [system] c=(/)
   Fail: (216) [system] c=(/)
^  Call: (216) [user] is_like_space(c)
   Call: (217) [system] char_type(c, 'white')
   Fail: (217) [system] char_type(c, 'white')
   Call: (217) [system] char_type(c, end_of_line)
   Fail: (217) [system] char_type(c, end_of_line)
   Call: (217) [system] char_type(c, space)
   Fail: (217) [system] char_type(c, space)
   Call: (217) [system] char_type(c, cntrl)
   Fail: (217) [system] char_type(c, cntrl)
^  Fail: (216) [user] is_like_space(c)
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1442202)
   Exit: (214) [system] peek_char((0x563acd73bee0), c)
   Call: (214) [system] c=')'
   Fail: (214) [system] c=')'
   Call: (214) [system] c=end_of_file
   Fail: (214) [system] c=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x563acd73bee0), _1447772)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1449630)
   Exit: (216) [system] peek_char((0x563acd73bee0), c)
   Call: (216) [system] c=(;)
   Fail: (216) [system] c=(;)
   Call: (216) [system] c=(/)
   Fail: (216) [system] c=(/)
^  Call: (216) [user] is_like_space(c)
   Call: (217) [system] char_type(c, 'white')
   Fail: (217) [system] char_type(c, 'white')
   Call: (217) [system] char_type(c, end_of_line)
   Fail: (217) [system] char_type(c, end_of_line)
   Call: (217) [system] char_type(c, space)
   Fail: (217) [system] char_type(c, space)
   Call: (217) [system] char_type(c, cntrl)
   Fail: (217) [system] char_type(c, cntrl)
^  Fail: (216) [user] is_like_space(c)
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] get_char((0x563acd73bee0), _1465640)
   Exit: (215) [system] get_char((0x563acd73bee0), c)
   Call: (215) [system] c='('
   Fail: (215) [system] c='('
   Call: (215) [system] c='['
   Fail: (215) [system] c='['
   Call: (215) [system] c='{'
   Fail: (215) [system] c='{'
   Call: (215) [system] c='"'
   Fail: (215) [system] c='"'
   Call: (215) [system] c=!
   Fail: (215) [system] c=!
   Call: (215) [system] c='\''
   Fail: (215) [system] c='\''
   Call: (215) [system] c='`'
   Fail: (215) [system] c='`'
   Call: (215) [system] c=end_of_file
   Fail: (215) [system] c=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x563acd73bee0), c, _1447772)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _1483282)
   Call: (217) [system] peek_char((0x563acd73bee0), _1484216)
   Exit: (217) [system] peek_char((0x563acd73bee0), d)
^  Call: (217) [user] is_delimiter(d)
   Call: (218) [system] char_type(d, space)
   Fail: (218) [system] char_type(d, space)
   Call: (218) [system] arg(_1488936, v('(', ')', end_of_file), d)
   Fail: (218) [system] arg(_1489868, v('(', ')', end_of_file), d)
^  Fail: (217) [user] is_delimiter(d)
   Call: (217) [system] ')'==d
   Fail: (217) [system] ')'==d
   Call: (217) [system] get_char((0x563acd73bee0), d)
   Exit: (217) [system] get_char((0x563acd73bee0), d)
   Call: (217) [system] d=(\)
   Fail: (217) [system] d=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _1497218)
   Call: (218) [system] peek_char((0x563acd73bee0), _1498152)
   Exit: (218) [system] peek_char((0x563acd73bee0), e)
^  Call: (218) [user] is_delimiter(e)
   Call: (219) [system] char_type(e, space)
   Fail: (219) [system] char_type(e, space)
   Call: (219) [system] arg(_1502872, v('(', ')', end_of_file), e)
   Fail: (219) [system] arg(_1503804, v('(', ')', end_of_file), e)
^  Fail: (218) [user] is_delimiter(e)
   Call: (218) [system] ')'==e
   Fail: (218) [system] ')'==e
   Call: (218) [system] get_char((0x563acd73bee0), e)
   Exit: (218) [system] get_char((0x563acd73bee0), e)
   Call: (218) [system] e=(\)
   Fail: (218) [system] e=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _1511154)
   Call: (219) [system] peek_char((0x563acd73bee0), _1512088)
   Exit: (219) [system] peek_char((0x563acd73bee0), ')')
^  Call: (219) [user] is_delimiter(')')
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] arg(_1516808, v('(', ')', end_of_file), ')')
   Exit: (220) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (219) [user] is_delimiter(')')
   Call: (219) [system] _1511154=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (218) [system] _1497218=[e]
   Exit: (218) [system] [e]=[e]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [e])
   Call: (217) [system] _1483282=[d, e]
   Exit: (217) [system] [d, e]=[d, e]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, e])
^  Call: (216) [user] classify_and_convert_charseq([c, d, e], _1447772)
^  Call: (217) [user] classify_and_convert_charseq_([c, d, e], _1528832)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1529784, _1529786), once(user:catch(read_from_chars([c, d, e], _1528832), _1529766, fail)), '$restore_trace'(_1529784, _1529786))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1529784, _1529786))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1529766, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(cde)
   Exit: (218) [system] atomic(cde)
^  Exit: (217) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (217) [system] integer(cde)
   Fail: (217) [system] integer(cde)
   Call: (217) [system] _1447772=cde
   Exit: (217) [system] cde=cde
^  Exit: (216) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (215) [user] read_symbolic(')', (0x563acd73bee0), c, cde)
^  Exit: (214) [user] cont_sexpr(')', (0x563acd73bee0), cde)
^  Call: (214) [user] read_list(')', (0x563acd73bee0), _1541912)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1543770)
   Exit: (216) [system] peek_char((0x563acd73bee0), ')')
   Call: (216) [system] ')'=(;)
   Fail: (216) [system] ')'=(;)
   Call: (216) [system] ')'=(/)
   Fail: (216) [system] ')'=(/)
^  Call: (216) [user] is_like_space(')')
   Call: (217) [system] char_type(')', 'white')
   Fail: (217) [system] char_type(')', 'white')
   Call: (217) [system] char_type(')', end_of_line)
   Fail: (217) [system] char_type(')', end_of_line)
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] char_type(')', cntrl)
   Fail: (217) [system] char_type(')', cntrl)
^  Fail: (216) [user] is_like_space(')')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1559780)
   Exit: (215) [system] peek_char((0x563acd73bee0), ')')
   Call: (215) [system] ')'=')'
   Exit: (215) [system] ')'=')'
   Call: (215) [system] get_char((0x563acd73bee0), _1563570)
   Exit: (215) [system] get_char((0x563acd73bee0), ')')
   Call: (215) [system] _1541912=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_list(')', (0x563acd73bee0), [])
   Call: (214) [system] _1411112=[cde]
   Exit: (214) [system] [cde]=[cde]
^  Exit: (213) [user] read_list(')', (0x563acd73bee0), [cde])
   Call: (213) [system] _1315644=[a, cde]
   Exit: (213) [system] [a, cde]=[a, cde]
^  Exit: (212) [user] read_list(')', (0x563acd73bee0), [a, cde])
   Call: (212) [system] _841888=['DisjunctionIntroduction', a, cde]
   Exit: (212) [system] ['DisjunctionIntroduction', a, cde]=['DisjunctionIntroduction', a, cde]
^  Exit: (211) [user] read_list(')', (0x563acd73bee0), ['DisjunctionIntroduction', a, cde])
^  Exit: (210) [user] cont_sexpr(')', (0x563acd73bee0), ['DisjunctionIntroduction', a, cde])
^  Call: (210) [user] read_list(')', (0x563acd73bee0), _1577452)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1579310)
   Exit: (212) [system] peek_char((0x563acd73bee0), ')')
   Call: (212) [system] ')'=(;)
   Fail: (212) [system] ')'=(;)
   Call: (212) [system] ')'=(/)
   Fail: (212) [system] ')'=(/)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Fail: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Fail: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
   Fail: (213) [system] char_type(')', cntrl)
^  Fail: (212) [user] is_like_space(')')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1595320)
   Exit: (211) [system] peek_char((0x563acd73bee0), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x563acd73bee0), _1599110)
   Exit: (211) [system] get_char((0x563acd73bee0), ')')
   Call: (211) [system] _1577452=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x563acd73bee0), [])
   Call: (210) [system] _805228=[['DisjunctionIntroduction', a, cde]]
   Exit: (210) [system] [['DisjunctionIntroduction', a, cde]]=[['DisjunctionIntroduction', a, cde]]
^  Exit: (209) [user] read_list(')', (0x563acd73bee0), [['DisjunctionIntroduction', a, cde]])
   Call: (209) [system] _676300=[abc, ['DisjunctionIntroduction', a, cde]]
   Exit: (209) [system] [abc, ['DisjunctionIntroduction', a, cde]]=[abc, ['DisjunctionIntroduction', a, cde]]
^  Exit: (208) [user] read_list(')', (0x563acd73bee0), [abc, ['DisjunctionIntroduction', a, cde]])
   Call: (208) [system] _202544=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]]
   Exit: (208) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]]
^  Exit: (207) [user] read_list(')', (0x563acd73bee0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]])
^  Exit: (206) [user] cont_sexpr(')', (0x563acd73bee0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]])
^  Call: (206) [user] read_list(')', (0x563acd73bee0), _1612992)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1614850)
   Exit: (208) [system] peek_char((0x563acd73bee0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x563acd73bee0), _1624444)
   Exit: (208) [system] get_char((0x563acd73bee0), ' ')
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1627148)
   Exit: (209) [system] peek_char((0x563acd73bee0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1644082)
   Exit: (207) [system] peek_char((0x563acd73bee0), '(')
   Call: (207) [system] '('=')'
   Fail: (207) [system] '('=')'
   Call: (207) [system] '('=end_of_file
   Fail: (207) [system] '('=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x563acd73bee0), _1649652)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1651510)
   Exit: (209) [system] peek_char((0x563acd73bee0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] get_char((0x563acd73bee0), _1667520)
   Exit: (208) [system] get_char((0x563acd73bee0), '(')
   Call: (208) [system] '('='('
   Exit: (208) [system] '('='('
^  Call: (208) [user] read_list(')', (0x563acd73bee0), _1649652)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1673090)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'O')
   Call: (210) [system] 'O'=(;)
   Fail: (210) [system] 'O'=(;)
   Call: (210) [system] 'O'=(/)
   Fail: (210) [system] 'O'=(/)
^  Call: (210) [user] is_like_space('O')
   Call: (211) [system] char_type('O', 'white')
   Fail: (211) [system] char_type('O', 'white')
   Call: (211) [system] char_type('O', end_of_line)
   Fail: (211) [system] char_type('O', end_of_line)
   Call: (211) [system] char_type('O', space)
   Fail: (211) [system] char_type('O', space)
   Call: (211) [system] char_type('O', cntrl)
   Fail: (211) [system] char_type('O', cntrl)
^  Fail: (210) [user] is_like_space('O')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1689100)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'O')
   Call: (209) [system] 'O'=')'
   Fail: (209) [system] 'O'=')'
   Call: (209) [system] 'O'=end_of_file
   Fail: (209) [system] 'O'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x563acd73bee0), _1694670)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1696528)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'O')
   Call: (211) [system] 'O'=(;)
   Fail: (211) [system] 'O'=(;)
   Call: (211) [system] 'O'=(/)
   Fail: (211) [system] 'O'=(/)
^  Call: (211) [user] is_like_space('O')
   Call: (212) [system] char_type('O', 'white')
   Fail: (212) [system] char_type('O', 'white')
   Call: (212) [system] char_type('O', end_of_line)
   Fail: (212) [system] char_type('O', end_of_line)
   Call: (212) [system] char_type('O', space)
   Fail: (212) [system] char_type('O', space)
   Call: (212) [system] char_type('O', cntrl)
   Fail: (212) [system] char_type('O', cntrl)
^  Fail: (211) [user] is_like_space('O')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] get_char((0x563acd73bee0), _1712538)
   Exit: (210) [system] get_char((0x563acd73bee0), 'O')
   Call: (210) [system] 'O'='('
   Fail: (210) [system] 'O'='('
   Call: (210) [system] 'O'='['
   Fail: (210) [system] 'O'='['
   Call: (210) [system] 'O'='{'
   Fail: (210) [system] 'O'='{'
   Call: (210) [system] 'O'='"'
   Fail: (210) [system] 'O'='"'
   Call: (210) [system] 'O'=!
   Fail: (210) [system] 'O'=!
   Call: (210) [system] 'O'='\''
   Fail: (210) [system] 'O'='\''
   Call: (210) [system] 'O'='`'
   Fail: (210) [system] 'O'='`'
   Call: (210) [system] 'O'=end_of_file
   Fail: (210) [system] 'O'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x563acd73bee0), 'O', _1694670)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1730180)
   Call: (212) [system] peek_char((0x563acd73bee0), _1731114)
   Exit: (212) [system] peek_char((0x563acd73bee0), r)
^  Call: (212) [user] is_delimiter(r)
   Call: (213) [system] char_type(r, space)
   Fail: (213) [system] char_type(r, space)
   Call: (213) [system] arg(_1735834, v('(', ')', end_of_file), r)
   Fail: (213) [system] arg(_1736766, v('(', ')', end_of_file), r)
^  Fail: (212) [user] is_delimiter(r)
   Call: (212) [system] ')'==r
   Fail: (212) [system] ')'==r
   Call: (212) [system] get_char((0x563acd73bee0), r)
   Exit: (212) [system] get_char((0x563acd73bee0), r)
   Call: (212) [system] r=(\)
   Fail: (212) [system] r=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _1744116)
   Call: (213) [system] peek_char((0x563acd73bee0), _1745050)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (213) [user] is_delimiter('L')
   Call: (214) [system] char_type('L', space)
   Fail: (214) [system] char_type('L', space)
   Call: (214) [system] arg(_1749770, v('(', ')', end_of_file), 'L')
   Fail: (214) [system] arg(_1750702, v('(', ')', end_of_file), 'L')
^  Fail: (213) [user] is_delimiter('L')
   Call: (213) [system] ')'=='L'
   Fail: (213) [system] ')'=='L'
   Call: (213) [system] get_char((0x563acd73bee0), 'L')
   Exit: (213) [system] get_char((0x563acd73bee0), 'L')
   Call: (213) [system] 'L'=(\)
   Fail: (213) [system] 'L'=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _1758052)
   Call: (214) [system] peek_char((0x563acd73bee0), _1758986)
   Exit: (214) [system] peek_char((0x563acd73bee0), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Fail: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_1763706, v('(', ')', end_of_file), i)
   Fail: (215) [system] arg(_1764638, v('(', ')', end_of_file), i)
^  Fail: (214) [user] is_delimiter(i)
   Call: (214) [system] ')'==i
   Fail: (214) [system] ')'==i
   Call: (214) [system] get_char((0x563acd73bee0), i)
   Exit: (214) [system] get_char((0x563acd73bee0), i)
   Call: (214) [system] i=(\)
   Fail: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _1771988)
   Call: (215) [system] peek_char((0x563acd73bee0), _1772922)
   Exit: (215) [system] peek_char((0x563acd73bee0), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_1777642, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_1778574, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x563acd73bee0), n)
   Exit: (215) [system] get_char((0x563acd73bee0), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _1785924)
   Call: (216) [system] peek_char((0x563acd73bee0), _1786858)
   Exit: (216) [system] peek_char((0x563acd73bee0), k)
^  Call: (216) [user] is_delimiter(k)
   Call: (217) [system] char_type(k, space)
   Fail: (217) [system] char_type(k, space)
   Call: (217) [system] arg(_1791578, v('(', ')', end_of_file), k)
   Fail: (217) [system] arg(_1792510, v('(', ')', end_of_file), k)
^  Fail: (216) [user] is_delimiter(k)
   Call: (216) [system] ')'==k
   Fail: (216) [system] ')'==k
   Call: (216) [system] get_char((0x563acd73bee0), k)
   Exit: (216) [system] get_char((0x563acd73bee0), k)
   Call: (216) [system] k=(\)
   Fail: (216) [system] k=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _1799860)
   Call: (217) [system] peek_char((0x563acd73bee0), _1800794)
   Exit: (217) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _1799860=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (216) [system] _1785924=[k]
   Exit: (216) [system] [k]=[k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (215) [system] _1771988=[n, k]
   Exit: (215) [system] [n, k]=[n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (214) [system] _1758052=[i, n, k]
   Exit: (214) [system] [i, n, k]=[i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (213) [system] _1744116=['L', i, n, k]
   Exit: (213) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (212) [system] _1730180=[r, 'L', i, n, k]
   Exit: (212) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (211) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1694670)
^  Call: (212) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1824048)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_1825000, _1825002), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1824048), _1824982, fail)), '$restore_trace'(_1825000, _1825002))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_1825000, _1825002))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1824048), _1824982, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_1824048)
   Fail: (213) [system] atomic(_1824048)
   Call: (213) [system] atom_chars(_1824048, ['O', r, 'L', i, n, k])
   Exit: (213) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (212) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (212) [system] integer('OrLink')
   Fail: (212) [system] integer('OrLink')
   Call: (212) [system] _1694670='OrLink'
   Exit: (212) [system] 'OrLink'='OrLink'
^  Exit: (211) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (210) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (209) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (209) [user] read_list(')', (0x563acd73bee0), _1838998)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1840856)
   Exit: (211) [system] peek_char((0x563acd73bee0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x563acd73bee0), _1850450)
   Exit: (211) [system] get_char((0x563acd73bee0), ' ')
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1853154)
   Exit: (212) [system] peek_char((0x563acd73bee0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1870088)
   Exit: (210) [system] peek_char((0x563acd73bee0), '(')
   Call: (210) [system] '('=')'
   Fail: (210) [system] '('=')'
   Call: (210) [system] '('=end_of_file
   Fail: (210) [system] '('=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x563acd73bee0), _1875658)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1877516)
   Exit: (212) [system] peek_char((0x563acd73bee0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] get_char((0x563acd73bee0), _1893526)
   Exit: (211) [system] get_char((0x563acd73bee0), '(')
   Call: (211) [system] '('='('
   Exit: (211) [system] '('='('
^  Call: (211) [user] read_list(')', (0x563acd73bee0), _1875658)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1899096)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'I')
   Call: (213) [system] 'I'=(;)
   Fail: (213) [system] 'I'=(;)
   Call: (213) [system] 'I'=(/)
   Fail: (213) [system] 'I'=(/)
^  Call: (213) [user] is_like_space('I')
   Call: (214) [system] char_type('I', 'white')
   Fail: (214) [system] char_type('I', 'white')
   Call: (214) [system] char_type('I', end_of_line)
   Fail: (214) [system] char_type('I', end_of_line)
   Call: (214) [system] char_type('I', space)
   Fail: (214) [system] char_type('I', space)
   Call: (214) [system] char_type('I', cntrl)
   Fail: (214) [system] char_type('I', cntrl)
^  Fail: (213) [user] is_like_space('I')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1915106)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'I')
   Call: (212) [system] 'I'=')'
   Fail: (212) [system] 'I'=')'
   Call: (212) [system] 'I'=end_of_file
   Fail: (212) [system] 'I'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x563acd73bee0), _1920676)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1922534)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'I')
   Call: (214) [system] 'I'=(;)
   Fail: (214) [system] 'I'=(;)
   Call: (214) [system] 'I'=(/)
   Fail: (214) [system] 'I'=(/)
^  Call: (214) [user] is_like_space('I')
   Call: (215) [system] char_type('I', 'white')
   Fail: (215) [system] char_type('I', 'white')
   Call: (215) [system] char_type('I', end_of_line)
   Fail: (215) [system] char_type('I', end_of_line)
   Call: (215) [system] char_type('I', space)
   Fail: (215) [system] char_type('I', space)
   Call: (215) [system] char_type('I', cntrl)
   Fail: (215) [system] char_type('I', cntrl)
^  Fail: (214) [user] is_like_space('I')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] get_char((0x563acd73bee0), _1938544)
   Exit: (213) [system] get_char((0x563acd73bee0), 'I')
   Call: (213) [system] 'I'='('
   Fail: (213) [system] 'I'='('
   Call: (213) [system] 'I'='['
   Fail: (213) [system] 'I'='['
   Call: (213) [system] 'I'='{'
   Fail: (213) [system] 'I'='{'
   Call: (213) [system] 'I'='"'
   Fail: (213) [system] 'I'='"'
   Call: (213) [system] 'I'=!
   Fail: (213) [system] 'I'=!
   Call: (213) [system] 'I'='\''
   Fail: (213) [system] 'I'='\''
   Call: (213) [system] 'I'='`'
   Fail: (213) [system] 'I'='`'
   Call: (213) [system] 'I'=end_of_file
   Fail: (213) [system] 'I'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x563acd73bee0), 'I', _1920676)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _1956186)
   Call: (215) [system] peek_char((0x563acd73bee0), _1957120)
   Exit: (215) [system] peek_char((0x563acd73bee0), m)
^  Call: (215) [user] is_delimiter(m)
   Call: (216) [system] char_type(m, space)
   Fail: (216) [system] char_type(m, space)
   Call: (216) [system] arg(_1961840, v('(', ')', end_of_file), m)
   Fail: (216) [system] arg(_1962772, v('(', ')', end_of_file), m)
^  Fail: (215) [user] is_delimiter(m)
   Call: (215) [system] ')'==m
   Fail: (215) [system] ')'==m
   Call: (215) [system] get_char((0x563acd73bee0), m)
   Exit: (215) [system] get_char((0x563acd73bee0), m)
   Call: (215) [system] m=(\)
   Fail: (215) [system] m=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _1970122)
   Call: (216) [system] peek_char((0x563acd73bee0), _1971056)
   Exit: (216) [system] peek_char((0x563acd73bee0), p)
^  Call: (216) [user] is_delimiter(p)
   Call: (217) [system] char_type(p, space)
   Fail: (217) [system] char_type(p, space)
   Call: (217) [system] arg(_1975776, v('(', ')', end_of_file), p)
   Fail: (217) [system] arg(_1976708, v('(', ')', end_of_file), p)
^  Fail: (216) [user] is_delimiter(p)
   Call: (216) [system] ')'==p
   Fail: (216) [system] ')'==p
   Call: (216) [system] get_char((0x563acd73bee0), p)
   Exit: (216) [system] get_char((0x563acd73bee0), p)
   Call: (216) [system] p=(\)
   Fail: (216) [system] p=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _1984058)
   Call: (217) [system] peek_char((0x563acd73bee0), _1984992)
   Exit: (217) [system] peek_char((0x563acd73bee0), l)
^  Call: (217) [user] is_delimiter(l)
   Call: (218) [system] char_type(l, space)
   Fail: (218) [system] char_type(l, space)
   Call: (218) [system] arg(_1989712, v('(', ')', end_of_file), l)
   Fail: (218) [system] arg(_1990644, v('(', ')', end_of_file), l)
^  Fail: (217) [user] is_delimiter(l)
   Call: (217) [system] ')'==l
   Fail: (217) [system] ')'==l
   Call: (217) [system] get_char((0x563acd73bee0), l)
   Exit: (217) [system] get_char((0x563acd73bee0), l)
   Call: (217) [system] l=(\)
   Fail: (217) [system] l=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _1997994)
   Call: (218) [system] peek_char((0x563acd73bee0), _1998928)
   Exit: (218) [system] peek_char((0x563acd73bee0), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Fail: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_2003648, v('(', ')', end_of_file), i)
   Fail: (219) [system] arg(_2004580, v('(', ')', end_of_file), i)
^  Fail: (218) [user] is_delimiter(i)
   Call: (218) [system] ')'==i
   Fail: (218) [system] ')'==i
   Call: (218) [system] get_char((0x563acd73bee0), i)
   Exit: (218) [system] get_char((0x563acd73bee0), i)
   Call: (218) [system] i=(\)
   Fail: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _2011930)
   Call: (219) [system] peek_char((0x563acd73bee0), _2012864)
   Exit: (219) [system] peek_char((0x563acd73bee0), c)
^  Call: (219) [user] is_delimiter(c)
   Call: (220) [system] char_type(c, space)
   Fail: (220) [system] char_type(c, space)
   Call: (220) [system] arg(_2017584, v('(', ')', end_of_file), c)
   Fail: (220) [system] arg(_2018516, v('(', ')', end_of_file), c)
^  Fail: (219) [user] is_delimiter(c)
   Call: (219) [system] ')'==c
   Fail: (219) [system] ')'==c
   Call: (219) [system] get_char((0x563acd73bee0), c)
   Exit: (219) [system] get_char((0x563acd73bee0), c)
   Call: (219) [system] c=(\)
   Fail: (219) [system] c=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _2025866)
   Call: (220) [system] peek_char((0x563acd73bee0), _2026800)
   Exit: (220) [system] peek_char((0x563acd73bee0), a)
^  Call: (220) [user] is_delimiter(a)
   Call: (221) [system] char_type(a, space)
   Fail: (221) [system] char_type(a, space)
   Call: (221) [system] arg(_2031520, v('(', ')', end_of_file), a)
   Fail: (221) [system] arg(_2032452, v('(', ')', end_of_file), a)
^  Fail: (220) [user] is_delimiter(a)
   Call: (220) [system] ')'==a
   Fail: (220) [system] ')'==a
   Call: (220) [system] get_char((0x563acd73bee0), a)
   Exit: (220) [system] get_char((0x563acd73bee0), a)
   Call: (220) [system] a=(\)
   Fail: (220) [system] a=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _2039802)
   Call: (221) [system] peek_char((0x563acd73bee0), _2040736)
   Exit: (221) [system] peek_char((0x563acd73bee0), t)
^  Call: (221) [user] is_delimiter(t)
   Call: (222) [system] char_type(t, space)
   Fail: (222) [system] char_type(t, space)
   Call: (222) [system] arg(_2045456, v('(', ')', end_of_file), t)
   Fail: (222) [system] arg(_2046388, v('(', ')', end_of_file), t)
^  Fail: (221) [user] is_delimiter(t)
   Call: (221) [system] ')'==t
   Fail: (221) [system] ')'==t
   Call: (221) [system] get_char((0x563acd73bee0), t)
   Exit: (221) [system] get_char((0x563acd73bee0), t)
   Call: (221) [system] t=(\)
   Fail: (221) [system] t=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _2053738)
   Call: (222) [system] peek_char((0x563acd73bee0), _2054672)
   Exit: (222) [system] peek_char((0x563acd73bee0), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_2059392, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_2060324, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x563acd73bee0), i)
   Exit: (222) [system] get_char((0x563acd73bee0), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _2067674)
   Call: (223) [system] peek_char((0x563acd73bee0), _2068608)
   Exit: (223) [system] peek_char((0x563acd73bee0), o)
^  Call: (223) [user] is_delimiter(o)
   Call: (224) [system] char_type(o, space)
   Fail: (224) [system] char_type(o, space)
   Call: (224) [system] arg(_2073328, v('(', ')', end_of_file), o)
   Fail: (224) [system] arg(_2074260, v('(', ')', end_of_file), o)
^  Fail: (223) [user] is_delimiter(o)
   Call: (223) [system] ')'==o
   Fail: (223) [system] ')'==o
   Call: (223) [system] get_char((0x563acd73bee0), o)
   Exit: (223) [system] get_char((0x563acd73bee0), o)
   Call: (223) [system] o=(\)
   Fail: (223) [system] o=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _2081610)
   Call: (224) [system] peek_char((0x563acd73bee0), _2082544)
   Exit: (224) [system] peek_char((0x563acd73bee0), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_2087264, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_2088196, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x563acd73bee0), n)
   Exit: (224) [system] get_char((0x563acd73bee0), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _2095546)
   Call: (225) [system] peek_char((0x563acd73bee0), _5252)
   Exit: (225) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _5248=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (224) [system] _5244=[n]
   Exit: (224) [system] [n]=[n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (223) [system] _5240=[o, n]
   Exit: (223) [system] [o, n]=[o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (222) [system] _5236=[i, o, n]
   Exit: (222) [system] [i, o, n]=[i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (221) [system] _5232=[t, i, o, n]
   Exit: (221) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (220) [system] _5228=[a, t, i, o, n]
   Exit: (220) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (219) [system] _5224=[c, a, t, i, o, n]
   Exit: (219) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (218) [system] _5220=[i, c, a, t, i, o, n]
   Exit: (218) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (217) [system] _5216=[l, i, c, a, t, i, o, n]
   Exit: (217) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (216) [system] _5212=[p, l, i, c, a, t, i, o, n]
   Exit: (216) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (215) [system] _5208=[m, p, l, i, c, a, t, i, o, n]
   Exit: (215) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (214) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _5204)
^  Call: (215) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _42146)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_43098, _43100), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _42146), _43080, fail)), '$restore_trace'(_43098, _43100))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_43098, _43100))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _42146), _43080, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_42146)
   Fail: (216) [system] atomic(_42146)
   Call: (216) [system] atom_chars(_42146, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (216) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (215) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (215) [system] integer('Implication')
   Fail: (215) [system] integer('Implication')
   Call: (215) [system] _5204='Implication'
   Exit: (215) [system] 'Implication'='Implication'
^  Exit: (214) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (213) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (212) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (212) [user] read_list(')', (0x563acd73bee0), _57096)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _58954)
   Exit: (214) [system] peek_char((0x563acd73bee0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x563acd73bee0), _68548)
   Exit: (214) [system] get_char((0x563acd73bee0), ' ')
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _71252)
   Exit: (215) [system] peek_char((0x563acd73bee0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _88186)
   Exit: (213) [system] peek_char((0x563acd73bee0), '(')
   Call: (213) [system] '('=')'
   Fail: (213) [system] '('=')'
   Call: (213) [system] '('=end_of_file
   Fail: (213) [system] '('=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x563acd73bee0), _93756)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _95614)
   Exit: (215) [system] peek_char((0x563acd73bee0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] get_char((0x563acd73bee0), _111624)
   Exit: (214) [system] get_char((0x563acd73bee0), '(')
   Call: (214) [system] '('='('
   Exit: (214) [system] '('='('
^  Call: (214) [user] read_list(')', (0x563acd73bee0), _93756)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _117194)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'A')
   Call: (216) [system] 'A'=(;)
   Fail: (216) [system] 'A'=(;)
   Call: (216) [system] 'A'=(/)
   Fail: (216) [system] 'A'=(/)
^  Call: (216) [user] is_like_space('A')
   Call: (217) [system] char_type('A', 'white')
   Fail: (217) [system] char_type('A', 'white')
   Call: (217) [system] char_type('A', end_of_line)
   Fail: (217) [system] char_type('A', end_of_line)
   Call: (217) [system] char_type('A', space)
   Fail: (217) [system] char_type('A', space)
   Call: (217) [system] char_type('A', cntrl)
   Fail: (217) [system] char_type('A', cntrl)
^  Fail: (216) [user] is_like_space('A')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _133204)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'A')
   Call: (215) [system] 'A'=')'
   Fail: (215) [system] 'A'=')'
   Call: (215) [system] 'A'=end_of_file
   Fail: (215) [system] 'A'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x563acd73bee0), _138774)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _140632)
   Exit: (217) [system] peek_char((0x563acd73bee0), 'A')
   Call: (217) [system] 'A'=(;)
   Fail: (217) [system] 'A'=(;)
   Call: (217) [system] 'A'=(/)
   Fail: (217) [system] 'A'=(/)
^  Call: (217) [user] is_like_space('A')
   Call: (218) [system] char_type('A', 'white')
   Fail: (218) [system] char_type('A', 'white')
   Call: (218) [system] char_type('A', end_of_line)
   Fail: (218) [system] char_type('A', end_of_line)
   Call: (218) [system] char_type('A', space)
   Fail: (218) [system] char_type('A', space)
   Call: (218) [system] char_type('A', cntrl)
   Fail: (218) [system] char_type('A', cntrl)
^  Fail: (217) [user] is_like_space('A')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] get_char((0x563acd73bee0), _156642)
   Exit: (216) [system] get_char((0x563acd73bee0), 'A')
   Call: (216) [system] 'A'='('
   Fail: (216) [system] 'A'='('
   Call: (216) [system] 'A'='['
   Fail: (216) [system] 'A'='['
   Call: (216) [system] 'A'='{'
   Fail: (216) [system] 'A'='{'
   Call: (216) [system] 'A'='"'
   Fail: (216) [system] 'A'='"'
   Call: (216) [system] 'A'=!
   Fail: (216) [system] 'A'=!
   Call: (216) [system] 'A'='\''
   Fail: (216) [system] 'A'='\''
   Call: (216) [system] 'A'='`'
   Fail: (216) [system] 'A'='`'
   Call: (216) [system] 'A'=end_of_file
   Fail: (216) [system] 'A'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x563acd73bee0), 'A', _138774)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _174284)
   Call: (218) [system] peek_char((0x563acd73bee0), _175218)
   Exit: (218) [system] peek_char((0x563acd73bee0), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_179938, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_180870, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x563acd73bee0), n)
   Exit: (218) [system] get_char((0x563acd73bee0), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _188220)
   Call: (219) [system] peek_char((0x563acd73bee0), _189154)
   Exit: (219) [system] peek_char((0x563acd73bee0), d)
^  Call: (219) [user] is_delimiter(d)
   Call: (220) [system] char_type(d, space)
   Fail: (220) [system] char_type(d, space)
   Call: (220) [system] arg(_193874, v('(', ')', end_of_file), d)
   Fail: (220) [system] arg(_194806, v('(', ')', end_of_file), d)
^  Fail: (219) [user] is_delimiter(d)
   Call: (219) [system] ')'==d
   Fail: (219) [system] ')'==d
   Call: (219) [system] get_char((0x563acd73bee0), d)
   Exit: (219) [system] get_char((0x563acd73bee0), d)
   Call: (219) [system] d=(\)
   Fail: (219) [system] d=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _202156)
   Call: (220) [system] peek_char((0x563acd73bee0), _203090)
   Exit: (220) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (220) [user] is_delimiter('L')
   Call: (221) [system] char_type('L', space)
   Fail: (221) [system] char_type('L', space)
   Call: (221) [system] arg(_207810, v('(', ')', end_of_file), 'L')
   Fail: (221) [system] arg(_208742, v('(', ')', end_of_file), 'L')
^  Fail: (220) [user] is_delimiter('L')
   Call: (220) [system] ')'=='L'
   Fail: (220) [system] ')'=='L'
   Call: (220) [system] get_char((0x563acd73bee0), 'L')
   Exit: (220) [system] get_char((0x563acd73bee0), 'L')
   Call: (220) [system] 'L'=(\)
   Fail: (220) [system] 'L'=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _216092)
   Call: (221) [system] peek_char((0x563acd73bee0), _217026)
   Exit: (221) [system] peek_char((0x563acd73bee0), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_221746, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_222678, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x563acd73bee0), i)
   Exit: (221) [system] get_char((0x563acd73bee0), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _230028)
   Call: (222) [system] peek_char((0x563acd73bee0), _230962)
   Exit: (222) [system] peek_char((0x563acd73bee0), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_235682, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_236614, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x563acd73bee0), n)
   Exit: (222) [system] get_char((0x563acd73bee0), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _243964)
   Call: (223) [system] peek_char((0x563acd73bee0), _244898)
   Exit: (223) [system] peek_char((0x563acd73bee0), k)
^  Call: (223) [user] is_delimiter(k)
   Call: (224) [system] char_type(k, space)
   Fail: (224) [system] char_type(k, space)
   Call: (224) [system] arg(_249618, v('(', ')', end_of_file), k)
   Fail: (224) [system] arg(_250550, v('(', ')', end_of_file), k)
^  Fail: (223) [user] is_delimiter(k)
   Call: (223) [system] ')'==k
   Fail: (223) [system] ')'==k
   Call: (223) [system] get_char((0x563acd73bee0), k)
   Exit: (223) [system] get_char((0x563acd73bee0), k)
   Call: (223) [system] k=(\)
   Fail: (223) [system] k=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _257900)
   Call: (224) [system] peek_char((0x563acd73bee0), _258834)
   Exit: (224) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _257900=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (223) [system] _243964=[k]
   Exit: (223) [system] [k]=[k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (222) [system] _230028=[n, k]
   Exit: (222) [system] [n, k]=[n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (221) [system] _216092=[i, n, k]
   Exit: (221) [system] [i, n, k]=[i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (220) [system] _202156=['L', i, n, k]
   Exit: (220) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (219) [system] _188220=[d, 'L', i, n, k]
   Exit: (219) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, 'L', i, n, k])
   Call: (218) [system] _174284=[n, d, 'L', i, n, k]
   Exit: (218) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, d, 'L', i, n, k])
^  Call: (217) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _138774)
^  Call: (218) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _284882)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_285834, _285836), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _284882), _285816, fail)), '$restore_trace'(_285834, _285836))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_285834, _285836))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _284882), _285816, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_284882)
   Fail: (219) [system] atomic(_284882)
   Call: (219) [system] atom_chars(_284882, ['A', n, d, 'L', i, n, k])
   Exit: (219) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (218) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (218) [system] integer('AndLink')
   Fail: (218) [system] integer('AndLink')
   Call: (218) [system] _138774='AndLink'
   Exit: (218) [system] 'AndLink'='AndLink'
^  Exit: (217) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (216) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'AndLink')
^  Exit: (215) [user] cont_sexpr(')', (0x563acd73bee0), 'AndLink')
^  Call: (215) [user] read_list(')', (0x563acd73bee0), _299832)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _301690)
   Exit: (217) [system] peek_char((0x563acd73bee0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x563acd73bee0), _311284)
   Exit: (217) [system] get_char((0x563acd73bee0), ' ')
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _313988)
   Exit: (218) [system] peek_char((0x563acd73bee0), 'A')
   Call: (218) [system] 'A'=(;)
   Fail: (218) [system] 'A'=(;)
   Call: (218) [system] 'A'=(/)
   Fail: (218) [system] 'A'=(/)
^  Call: (218) [user] is_like_space('A')
   Call: (219) [system] char_type('A', 'white')
   Fail: (219) [system] char_type('A', 'white')
   Call: (219) [system] char_type('A', end_of_line)
   Fail: (219) [system] char_type('A', end_of_line)
   Call: (219) [system] char_type('A', space)
   Fail: (219) [system] char_type('A', space)
   Call: (219) [system] char_type('A', cntrl)
   Fail: (219) [system] char_type('A', cntrl)
^  Fail: (218) [user] is_like_space('A')
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _330922)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'A')
   Call: (216) [system] 'A'=')'
   Fail: (216) [system] 'A'=')'
   Call: (216) [system] 'A'=end_of_file
   Fail: (216) [system] 'A'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x563acd73bee0), _336492)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _338350)
   Exit: (218) [system] peek_char((0x563acd73bee0), 'A')
   Call: (218) [system] 'A'=(;)
   Fail: (218) [system] 'A'=(;)
   Call: (218) [system] 'A'=(/)
   Fail: (218) [system] 'A'=(/)
^  Call: (218) [user] is_like_space('A')
   Call: (219) [system] char_type('A', 'white')
   Fail: (219) [system] char_type('A', 'white')
   Call: (219) [system] char_type('A', end_of_line)
   Fail: (219) [system] char_type('A', end_of_line)
   Call: (219) [system] char_type('A', space)
   Fail: (219) [system] char_type('A', space)
   Call: (219) [system] char_type('A', cntrl)
   Fail: (219) [system] char_type('A', cntrl)
^  Fail: (218) [user] is_like_space('A')
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] get_char((0x563acd73bee0), _354360)
   Exit: (217) [system] get_char((0x563acd73bee0), 'A')
   Call: (217) [system] 'A'='('
   Fail: (217) [system] 'A'='('
   Call: (217) [system] 'A'='['
   Fail: (217) [system] 'A'='['
   Call: (217) [system] 'A'='{'
   Fail: (217) [system] 'A'='{'
   Call: (217) [system] 'A'='"'
   Fail: (217) [system] 'A'='"'
   Call: (217) [system] 'A'=!
   Fail: (217) [system] 'A'=!
   Call: (217) [system] 'A'='\''
   Fail: (217) [system] 'A'='\''
   Call: (217) [system] 'A'='`'
   Fail: (217) [system] 'A'='`'
   Call: (217) [system] 'A'=end_of_file
   Fail: (217) [system] 'A'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x563acd73bee0), 'A', _336492)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _372002)
   Call: (219) [system] peek_char((0x563acd73bee0), _372936)
   Exit: (219) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _372002=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (218) [user] classify_and_convert_charseq(['A'], _336492)
^  Call: (219) [user] classify_and_convert_charseq_(['A'], _382220)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_383172, _383174), once(user:catch(read_from_chars(['A'], _382220), _383154, fail)), '$restore_trace'(_383172, _383174))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_383172, _383174))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _382220), _383154, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_382220)
   Fail: (220) [system] atomic(_382220)
   Call: (220) [system] atom_chars(_382220, ['A'])
   Exit: (220) [system] atom_chars('A', ['A'])
^  Exit: (219) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (219) [system] integer('A')
   Fail: (219) [system] integer('A')
   Call: (219) [system] _336492='A'
   Exit: (219) [system] 'A'='A'
^  Exit: (218) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (217) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (216) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (216) [user] read_list(')', (0x563acd73bee0), _397170)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _399028)
   Exit: (218) [system] peek_char((0x563acd73bee0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x563acd73bee0), _408622)
   Exit: (218) [system] get_char((0x563acd73bee0), ' ')
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _411326)
   Exit: (219) [system] peek_char((0x563acd73bee0), 'B')
   Call: (219) [system] 'B'=(;)
   Fail: (219) [system] 'B'=(;)
   Call: (219) [system] 'B'=(/)
   Fail: (219) [system] 'B'=(/)
^  Call: (219) [user] is_like_space('B')
   Call: (220) [system] char_type('B', 'white')
   Fail: (220) [system] char_type('B', 'white')
   Call: (220) [system] char_type('B', end_of_line)
   Fail: (220) [system] char_type('B', end_of_line)
   Call: (220) [system] char_type('B', space)
   Fail: (220) [system] char_type('B', space)
   Call: (220) [system] char_type('B', cntrl)
   Fail: (220) [system] char_type('B', cntrl)
^  Fail: (219) [user] is_like_space('B')
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _428260)
   Exit: (217) [system] peek_char((0x563acd73bee0), 'B')
   Call: (217) [system] 'B'=')'
   Fail: (217) [system] 'B'=')'
   Call: (217) [system] 'B'=end_of_file
   Fail: (217) [system] 'B'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x563acd73bee0), _433830)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _435688)
   Exit: (219) [system] peek_char((0x563acd73bee0), 'B')
   Call: (219) [system] 'B'=(;)
   Fail: (219) [system] 'B'=(;)
   Call: (219) [system] 'B'=(/)
   Fail: (219) [system] 'B'=(/)
^  Call: (219) [user] is_like_space('B')
   Call: (220) [system] char_type('B', 'white')
   Fail: (220) [system] char_type('B', 'white')
   Call: (220) [system] char_type('B', end_of_line)
   Fail: (220) [system] char_type('B', end_of_line)
   Call: (220) [system] char_type('B', space)
   Fail: (220) [system] char_type('B', space)
   Call: (220) [system] char_type('B', cntrl)
   Fail: (220) [system] char_type('B', cntrl)
^  Fail: (219) [user] is_like_space('B')
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] get_char((0x563acd73bee0), _451698)
   Exit: (218) [system] get_char((0x563acd73bee0), 'B')
   Call: (218) [system] 'B'='('
   Fail: (218) [system] 'B'='('
   Call: (218) [system] 'B'='['
   Fail: (218) [system] 'B'='['
   Call: (218) [system] 'B'='{'
   Fail: (218) [system] 'B'='{'
   Call: (218) [system] 'B'='"'
   Fail: (218) [system] 'B'='"'
   Call: (218) [system] 'B'=!
   Fail: (218) [system] 'B'=!
   Call: (218) [system] 'B'='\''
   Fail: (218) [system] 'B'='\''
   Call: (218) [system] 'B'='`'
   Fail: (218) [system] 'B'='`'
   Call: (218) [system] 'B'=end_of_file
   Fail: (218) [system] 'B'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x563acd73bee0), 'B', _433830)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _469340)
   Call: (220) [system] peek_char((0x563acd73bee0), _470274)
   Exit: (220) [system] peek_char((0x563acd73bee0), ')')
^  Call: (220) [user] is_delimiter(')')
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] arg(_474994, v('(', ')', end_of_file), ')')
   Exit: (221) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (220) [user] is_delimiter(')')
   Call: (220) [system] _469340=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (219) [user] classify_and_convert_charseq(['B'], _433830)
^  Call: (220) [user] classify_and_convert_charseq_(['B'], _481430)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_482382, _482384), once(user:catch(read_from_chars(['B'], _481430), _482364, fail)), '$restore_trace'(_482382, _482384))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_482382, _482384))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _481430), _482364, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_481430)
   Fail: (221) [system] atomic(_481430)
   Call: (221) [system] atom_chars(_481430, ['B'])
   Exit: (221) [system] atom_chars('B', ['B'])
^  Exit: (220) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (220) [system] integer('B')
   Fail: (220) [system] integer('B')
   Call: (220) [system] _433830='B'
   Exit: (220) [system] 'B'='B'
^  Exit: (219) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (218) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (217) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (217) [user] read_list(')', (0x563acd73bee0), _496380)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _498238)
   Exit: (219) [system] peek_char((0x563acd73bee0), ')')
   Call: (219) [system] ')'=(;)
   Fail: (219) [system] ')'=(;)
   Call: (219) [system] ')'=(/)
   Fail: (219) [system] ')'=(/)
^  Call: (219) [user] is_like_space(')')
   Call: (220) [system] char_type(')', 'white')
   Fail: (220) [system] char_type(')', 'white')
   Call: (220) [system] char_type(')', end_of_line)
   Fail: (220) [system] char_type(')', end_of_line)
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] char_type(')', cntrl)
   Fail: (220) [system] char_type(')', cntrl)
^  Fail: (219) [user] is_like_space(')')
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _514248)
   Exit: (218) [system] peek_char((0x563acd73bee0), ')')
   Call: (218) [system] ')'=')'
   Exit: (218) [system] ')'=')'
   Call: (218) [system] get_char((0x563acd73bee0), _518038)
   Exit: (218) [system] get_char((0x563acd73bee0), ')')
   Call: (218) [system] _496380=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_list(')', (0x563acd73bee0), [])
   Call: (217) [system] _397170=['B']
   Exit: (217) [system] ['B']=['B']
^  Exit: (216) [user] read_list(')', (0x563acd73bee0), ['B'])
   Call: (216) [system] _299832=['A', 'B']
   Exit: (216) [system] ['A', 'B']=['A', 'B']
^  Exit: (215) [user] read_list(')', (0x563acd73bee0), ['A', 'B'])
   Call: (215) [system] _93756=['AndLink', 'A', 'B']
   Exit: (215) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (214) [user] read_list(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Exit: (213) [user] cont_sexpr(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Call: (213) [user] read_list(')', (0x563acd73bee0), _531920)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _533778)
   Exit: (215) [system] peek_char((0x563acd73bee0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x563acd73bee0), _543372)
   Exit: (215) [system] get_char((0x563acd73bee0), ' ')
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _546076)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'C')
   Call: (216) [system] 'C'=(;)
   Fail: (216) [system] 'C'=(;)
   Call: (216) [system] 'C'=(/)
   Fail: (216) [system] 'C'=(/)
^  Call: (216) [user] is_like_space('C')
   Call: (217) [system] char_type('C', 'white')
   Fail: (217) [system] char_type('C', 'white')
   Call: (217) [system] char_type('C', end_of_line)
   Fail: (217) [system] char_type('C', end_of_line)
   Call: (217) [system] char_type('C', space)
   Fail: (217) [system] char_type('C', space)
   Call: (217) [system] char_type('C', cntrl)
   Fail: (217) [system] char_type('C', cntrl)
^  Fail: (216) [user] is_like_space('C')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _563010)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'C')
   Call: (214) [system] 'C'=')'
   Fail: (214) [system] 'C'=')'
   Call: (214) [system] 'C'=end_of_file
   Fail: (214) [system] 'C'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x563acd73bee0), _568580)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _570438)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'C')
   Call: (216) [system] 'C'=(;)
   Fail: (216) [system] 'C'=(;)
   Call: (216) [system] 'C'=(/)
   Fail: (216) [system] 'C'=(/)
^  Call: (216) [user] is_like_space('C')
   Call: (217) [system] char_type('C', 'white')
   Fail: (217) [system] char_type('C', 'white')
   Call: (217) [system] char_type('C', end_of_line)
   Fail: (217) [system] char_type('C', end_of_line)
   Call: (217) [system] char_type('C', space)
   Fail: (217) [system] char_type('C', space)
   Call: (217) [system] char_type('C', cntrl)
   Fail: (217) [system] char_type('C', cntrl)
^  Fail: (216) [user] is_like_space('C')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] get_char((0x563acd73bee0), _586448)
   Exit: (215) [system] get_char((0x563acd73bee0), 'C')
   Call: (215) [system] 'C'='('
   Fail: (215) [system] 'C'='('
   Call: (215) [system] 'C'='['
   Fail: (215) [system] 'C'='['
   Call: (215) [system] 'C'='{'
   Fail: (215) [system] 'C'='{'
   Call: (215) [system] 'C'='"'
   Fail: (215) [system] 'C'='"'
   Call: (215) [system] 'C'=!
   Fail: (215) [system] 'C'=!
   Call: (215) [system] 'C'='\''
   Fail: (215) [system] 'C'='\''
   Call: (215) [system] 'C'='`'
   Fail: (215) [system] 'C'='`'
   Call: (215) [system] 'C'=end_of_file
   Fail: (215) [system] 'C'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x563acd73bee0), 'C', _568580)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _604090)
   Call: (217) [system] peek_char((0x563acd73bee0), _605024)
   Exit: (217) [system] peek_char((0x563acd73bee0), ')')
^  Call: (217) [user] is_delimiter(')')
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] arg(_609744, v('(', ')', end_of_file), ')')
   Exit: (218) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (217) [user] is_delimiter(')')
   Call: (217) [system] _604090=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (216) [user] classify_and_convert_charseq(['C'], _568580)
^  Call: (217) [user] classify_and_convert_charseq_(['C'], _616180)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_617132, _617134), once(user:catch(read_from_chars(['C'], _616180), _617114, fail)), '$restore_trace'(_617132, _617134))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_617132, _617134))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _616180), _617114, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_616180)
   Fail: (218) [system] atomic(_616180)
   Call: (218) [system] atom_chars(_616180, ['C'])
   Exit: (218) [system] atom_chars('C', ['C'])
^  Exit: (217) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (217) [system] integer('C')
   Fail: (217) [system] integer('C')
   Call: (217) [system] _568580='C'
   Exit: (217) [system] 'C'='C'
^  Exit: (216) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (215) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (214) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (214) [user] read_list(')', (0x563acd73bee0), _631130)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _632988)
   Exit: (216) [system] peek_char((0x563acd73bee0), ')')
   Call: (216) [system] ')'=(;)
   Fail: (216) [system] ')'=(;)
   Call: (216) [system] ')'=(/)
   Fail: (216) [system] ')'=(/)
^  Call: (216) [user] is_like_space(')')
   Call: (217) [system] char_type(')', 'white')
   Fail: (217) [system] char_type(')', 'white')
   Call: (217) [system] char_type(')', end_of_line)
   Fail: (217) [system] char_type(')', end_of_line)
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] char_type(')', cntrl)
   Fail: (217) [system] char_type(')', cntrl)
^  Fail: (216) [user] is_like_space(')')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _648998)
   Exit: (215) [system] peek_char((0x563acd73bee0), ')')
   Call: (215) [system] ')'=')'
   Exit: (215) [system] ')'=')'
   Call: (215) [system] get_char((0x563acd73bee0), _652788)
   Exit: (215) [system] get_char((0x563acd73bee0), ')')
   Call: (215) [system] _631130=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_list(')', (0x563acd73bee0), [])
   Call: (214) [system] _531920=['C']
   Exit: (214) [system] ['C']=['C']
^  Exit: (213) [user] read_list(')', (0x563acd73bee0), ['C'])
   Call: (213) [system] _57096=[['AndLink', 'A', 'B'], 'C']
   Exit: (213) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (212) [user] read_list(')', (0x563acd73bee0), [['AndLink', 'A', 'B'], 'C'])
   Call: (212) [system] _5198=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (212) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (211) [user] read_list(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (210) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (210) [user] read_list(')', (0x563acd73bee0), _666670)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _668528)
   Exit: (212) [system] peek_char((0x563acd73bee0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x563acd73bee0), _678122)
   Exit: (212) [system] get_char((0x563acd73bee0), ' ')
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _680826)
   Exit: (213) [system] peek_char((0x563acd73bee0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _697760)
   Exit: (211) [system] peek_char((0x563acd73bee0), '(')
   Call: (211) [system] '('=')'
   Fail: (211) [system] '('=')'
   Call: (211) [system] '('=end_of_file
   Fail: (211) [system] '('=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x563acd73bee0), _703330)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _705188)
   Exit: (213) [system] peek_char((0x563acd73bee0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] get_char((0x563acd73bee0), _721198)
   Exit: (212) [system] get_char((0x563acd73bee0), '(')
   Call: (212) [system] '('='('
   Exit: (212) [system] '('='('
^  Call: (212) [user] read_list(')', (0x563acd73bee0), _703330)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _726768)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'O')
   Call: (214) [system] 'O'=(;)
   Fail: (214) [system] 'O'=(;)
   Call: (214) [system] 'O'=(/)
   Fail: (214) [system] 'O'=(/)
^  Call: (214) [user] is_like_space('O')
   Call: (215) [system] char_type('O', 'white')
   Fail: (215) [system] char_type('O', 'white')
   Call: (215) [system] char_type('O', end_of_line)
   Fail: (215) [system] char_type('O', end_of_line)
   Call: (215) [system] char_type('O', space)
   Fail: (215) [system] char_type('O', space)
   Call: (215) [system] char_type('O', cntrl)
   Fail: (215) [system] char_type('O', cntrl)
^  Fail: (214) [user] is_like_space('O')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _742778)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'O')
   Call: (213) [system] 'O'=')'
   Fail: (213) [system] 'O'=')'
   Call: (213) [system] 'O'=end_of_file
   Fail: (213) [system] 'O'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x563acd73bee0), _748348)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _750206)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'O')
   Call: (215) [system] 'O'=(;)
   Fail: (215) [system] 'O'=(;)
   Call: (215) [system] 'O'=(/)
   Fail: (215) [system] 'O'=(/)
^  Call: (215) [user] is_like_space('O')
   Call: (216) [system] char_type('O', 'white')
   Fail: (216) [system] char_type('O', 'white')
   Call: (216) [system] char_type('O', end_of_line)
   Fail: (216) [system] char_type('O', end_of_line)
   Call: (216) [system] char_type('O', space)
   Fail: (216) [system] char_type('O', space)
   Call: (216) [system] char_type('O', cntrl)
   Fail: (216) [system] char_type('O', cntrl)
^  Fail: (215) [user] is_like_space('O')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] get_char((0x563acd73bee0), _766216)
   Exit: (214) [system] get_char((0x563acd73bee0), 'O')
   Call: (214) [system] 'O'='('
   Fail: (214) [system] 'O'='('
   Call: (214) [system] 'O'='['
   Fail: (214) [system] 'O'='['
   Call: (214) [system] 'O'='{'
   Fail: (214) [system] 'O'='{'
   Call: (214) [system] 'O'='"'
   Fail: (214) [system] 'O'='"'
   Call: (214) [system] 'O'=!
   Fail: (214) [system] 'O'=!
   Call: (214) [system] 'O'='\''
   Fail: (214) [system] 'O'='\''
   Call: (214) [system] 'O'='`'
   Fail: (214) [system] 'O'='`'
   Call: (214) [system] 'O'=end_of_file
   Fail: (214) [system] 'O'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x563acd73bee0), 'O', _748348)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _783858)
   Call: (216) [system] peek_char((0x563acd73bee0), _784792)
   Exit: (216) [system] peek_char((0x563acd73bee0), r)
^  Call: (216) [user] is_delimiter(r)
   Call: (217) [system] char_type(r, space)
   Fail: (217) [system] char_type(r, space)
   Call: (217) [system] arg(_789512, v('(', ')', end_of_file), r)
   Fail: (217) [system] arg(_790444, v('(', ')', end_of_file), r)
^  Fail: (216) [user] is_delimiter(r)
   Call: (216) [system] ')'==r
   Fail: (216) [system] ')'==r
   Call: (216) [system] get_char((0x563acd73bee0), r)
   Exit: (216) [system] get_char((0x563acd73bee0), r)
   Call: (216) [system] r=(\)
   Fail: (216) [system] r=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _797794)
   Call: (217) [system] peek_char((0x563acd73bee0), _798728)
   Exit: (217) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (217) [user] is_delimiter('L')
   Call: (218) [system] char_type('L', space)
   Fail: (218) [system] char_type('L', space)
   Call: (218) [system] arg(_803448, v('(', ')', end_of_file), 'L')
   Fail: (218) [system] arg(_804380, v('(', ')', end_of_file), 'L')
^  Fail: (217) [user] is_delimiter('L')
   Call: (217) [system] ')'=='L'
   Fail: (217) [system] ')'=='L'
   Call: (217) [system] get_char((0x563acd73bee0), 'L')
   Exit: (217) [system] get_char((0x563acd73bee0), 'L')
   Call: (217) [system] 'L'=(\)
   Fail: (217) [system] 'L'=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _811730)
   Call: (218) [system] peek_char((0x563acd73bee0), _812664)
   Exit: (218) [system] peek_char((0x563acd73bee0), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Fail: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_817384, v('(', ')', end_of_file), i)
   Fail: (219) [system] arg(_818316, v('(', ')', end_of_file), i)
^  Fail: (218) [user] is_delimiter(i)
   Call: (218) [system] ')'==i
   Fail: (218) [system] ')'==i
   Call: (218) [system] get_char((0x563acd73bee0), i)
   Exit: (218) [system] get_char((0x563acd73bee0), i)
   Call: (218) [system] i=(\)
   Fail: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _825666)
   Call: (219) [system] peek_char((0x563acd73bee0), _826600)
   Exit: (219) [system] peek_char((0x563acd73bee0), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_831320, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_832252, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x563acd73bee0), n)
   Exit: (219) [system] get_char((0x563acd73bee0), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _839602)
   Call: (220) [system] peek_char((0x563acd73bee0), _840536)
   Exit: (220) [system] peek_char((0x563acd73bee0), k)
^  Call: (220) [user] is_delimiter(k)
   Call: (221) [system] char_type(k, space)
   Fail: (221) [system] char_type(k, space)
   Call: (221) [system] arg(_845256, v('(', ')', end_of_file), k)
   Fail: (221) [system] arg(_846188, v('(', ')', end_of_file), k)
^  Fail: (220) [user] is_delimiter(k)
   Call: (220) [system] ')'==k
   Fail: (220) [system] ')'==k
   Call: (220) [system] get_char((0x563acd73bee0), k)
   Exit: (220) [system] get_char((0x563acd73bee0), k)
   Call: (220) [system] k=(\)
   Fail: (220) [system] k=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _853538)
   Call: (221) [system] peek_char((0x563acd73bee0), _854472)
   Exit: (221) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (221) [user] is_delimiter(' ')
   Call: (222) [system] char_type(' ', space)
   Exit: (222) [system] char_type(' ', space)
^  Exit: (221) [user] is_delimiter(' ')
   Call: (221) [system] _853538=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (220) [system] _839602=[k]
   Exit: (220) [system] [k]=[k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (219) [system] _825666=[n, k]
   Exit: (219) [system] [n, k]=[n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (218) [system] _811730=[i, n, k]
   Exit: (218) [system] [i, n, k]=[i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (217) [system] _797794=['L', i, n, k]
   Exit: (217) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (216) [system] _783858=[r, 'L', i, n, k]
   Exit: (216) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (215) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _748348)
^  Call: (216) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _877726)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_878678, _878680), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _877726), _878660, fail)), '$restore_trace'(_878678, _878680))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_878678, _878680))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _877726), _878660, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_877726)
   Fail: (217) [system] atomic(_877726)
   Call: (217) [system] atom_chars(_877726, ['O', r, 'L', i, n, k])
   Exit: (217) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (216) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (216) [system] integer('OrLink')
   Fail: (216) [system] integer('OrLink')
   Call: (216) [system] _748348='OrLink'
   Exit: (216) [system] 'OrLink'='OrLink'
^  Exit: (215) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (214) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (213) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (213) [user] read_list(')', (0x563acd73bee0), _892676)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _894534)
   Exit: (215) [system] peek_char((0x563acd73bee0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x563acd73bee0), _904128)
   Exit: (215) [system] get_char((0x563acd73bee0), ' ')
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _906832)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'B')
   Call: (216) [system] 'B'=(;)
   Fail: (216) [system] 'B'=(;)
   Call: (216) [system] 'B'=(/)
   Fail: (216) [system] 'B'=(/)
^  Call: (216) [user] is_like_space('B')
   Call: (217) [system] char_type('B', 'white')
   Fail: (217) [system] char_type('B', 'white')
   Call: (217) [system] char_type('B', end_of_line)
   Fail: (217) [system] char_type('B', end_of_line)
   Call: (217) [system] char_type('B', space)
   Fail: (217) [system] char_type('B', space)
   Call: (217) [system] char_type('B', cntrl)
   Fail: (217) [system] char_type('B', cntrl)
^  Fail: (216) [user] is_like_space('B')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _923766)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'B')
   Call: (214) [system] 'B'=')'
   Fail: (214) [system] 'B'=')'
   Call: (214) [system] 'B'=end_of_file
   Fail: (214) [system] 'B'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x563acd73bee0), _929336)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _931194)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'B')
   Call: (216) [system] 'B'=(;)
   Fail: (216) [system] 'B'=(;)
   Call: (216) [system] 'B'=(/)
   Fail: (216) [system] 'B'=(/)
^  Call: (216) [user] is_like_space('B')
   Call: (217) [system] char_type('B', 'white')
   Fail: (217) [system] char_type('B', 'white')
   Call: (217) [system] char_type('B', end_of_line)
   Fail: (217) [system] char_type('B', end_of_line)
   Call: (217) [system] char_type('B', space)
   Fail: (217) [system] char_type('B', space)
   Call: (217) [system] char_type('B', cntrl)
   Fail: (217) [system] char_type('B', cntrl)
^  Fail: (216) [user] is_like_space('B')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] get_char((0x563acd73bee0), _947204)
   Exit: (215) [system] get_char((0x563acd73bee0), 'B')
   Call: (215) [system] 'B'='('
   Fail: (215) [system] 'B'='('
   Call: (215) [system] 'B'='['
   Fail: (215) [system] 'B'='['
   Call: (215) [system] 'B'='{'
   Fail: (215) [system] 'B'='{'
   Call: (215) [system] 'B'='"'
   Fail: (215) [system] 'B'='"'
   Call: (215) [system] 'B'=!
   Fail: (215) [system] 'B'=!
   Call: (215) [system] 'B'='\''
   Fail: (215) [system] 'B'='\''
   Call: (215) [system] 'B'='`'
   Fail: (215) [system] 'B'='`'
   Call: (215) [system] 'B'=end_of_file
   Fail: (215) [system] 'B'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x563acd73bee0), 'B', _929336)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _964846)
   Call: (217) [system] peek_char((0x563acd73bee0), _965780)
   Exit: (217) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _964846=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (216) [user] classify_and_convert_charseq(['B'], _929336)
^  Call: (217) [user] classify_and_convert_charseq_(['B'], _975064)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_976016, _976018), once(user:catch(read_from_chars(['B'], _975064), _975998, fail)), '$restore_trace'(_976016, _976018))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_976016, _976018))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _975064), _975998, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_975064)
   Fail: (218) [system] atomic(_975064)
   Call: (218) [system] atom_chars(_975064, ['B'])
   Exit: (218) [system] atom_chars('B', ['B'])
^  Exit: (217) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (217) [system] integer('B')
   Fail: (217) [system] integer('B')
   Call: (217) [system] _929336='B'
   Exit: (217) [system] 'B'='B'
^  Exit: (216) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (215) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (214) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (214) [user] read_list(')', (0x563acd73bee0), _990014)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _991872)
   Exit: (216) [system] peek_char((0x563acd73bee0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x563acd73bee0), _1001466)
   Exit: (216) [system] get_char((0x563acd73bee0), ' ')
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1004170)
   Exit: (217) [system] peek_char((0x563acd73bee0), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
   Call: (217) [system] '('=(/)
   Fail: (217) [system] '('=(/)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1021104)
   Exit: (215) [system] peek_char((0x563acd73bee0), '(')
   Call: (215) [system] '('=')'
   Fail: (215) [system] '('=')'
   Call: (215) [system] '('=end_of_file
   Fail: (215) [system] '('=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x563acd73bee0), _1026674)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1028532)
   Exit: (217) [system] peek_char((0x563acd73bee0), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
   Call: (217) [system] '('=(/)
   Fail: (217) [system] '('=(/)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] get_char((0x563acd73bee0), _1044542)
   Exit: (216) [system] get_char((0x563acd73bee0), '(')
   Call: (216) [system] '('='('
   Exit: (216) [system] '('='('
^  Call: (216) [user] read_list(')', (0x563acd73bee0), _1026674)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _1050112)
   Exit: (218) [system] peek_char((0x563acd73bee0), 'I')
   Call: (218) [system] 'I'=(;)
   Fail: (218) [system] 'I'=(;)
   Call: (218) [system] 'I'=(/)
   Fail: (218) [system] 'I'=(/)
^  Call: (218) [user] is_like_space('I')
   Call: (219) [system] char_type('I', 'white')
   Fail: (219) [system] char_type('I', 'white')
   Call: (219) [system] char_type('I', end_of_line)
   Fail: (219) [system] char_type('I', end_of_line)
   Call: (219) [system] char_type('I', space)
   Fail: (219) [system] char_type('I', space)
   Call: (219) [system] char_type('I', cntrl)
   Fail: (219) [system] char_type('I', cntrl)
^  Fail: (218) [user] is_like_space('I')
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1066122)
   Exit: (217) [system] peek_char((0x563acd73bee0), 'I')
   Call: (217) [system] 'I'=')'
   Fail: (217) [system] 'I'=')'
   Call: (217) [system] 'I'=end_of_file
   Fail: (217) [system] 'I'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x563acd73bee0), _1071692)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _1073550)
   Exit: (219) [system] peek_char((0x563acd73bee0), 'I')
   Call: (219) [system] 'I'=(;)
   Fail: (219) [system] 'I'=(;)
   Call: (219) [system] 'I'=(/)
   Fail: (219) [system] 'I'=(/)
^  Call: (219) [user] is_like_space('I')
   Call: (220) [system] char_type('I', 'white')
   Fail: (220) [system] char_type('I', 'white')
   Call: (220) [system] char_type('I', end_of_line)
   Fail: (220) [system] char_type('I', end_of_line)
   Call: (220) [system] char_type('I', space)
   Fail: (220) [system] char_type('I', space)
   Call: (220) [system] char_type('I', cntrl)
   Fail: (220) [system] char_type('I', cntrl)
^  Fail: (219) [user] is_like_space('I')
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] get_char((0x563acd73bee0), _1089560)
   Exit: (218) [system] get_char((0x563acd73bee0), 'I')
   Call: (218) [system] 'I'='('
   Fail: (218) [system] 'I'='('
   Call: (218) [system] 'I'='['
   Fail: (218) [system] 'I'='['
   Call: (218) [system] 'I'='{'
   Fail: (218) [system] 'I'='{'
   Call: (218) [system] 'I'='"'
   Fail: (218) [system] 'I'='"'
   Call: (218) [system] 'I'=!
   Fail: (218) [system] 'I'=!
   Call: (218) [system] 'I'='\''
   Fail: (218) [system] 'I'='\''
   Call: (218) [system] 'I'='`'
   Fail: (218) [system] 'I'='`'
   Call: (218) [system] 'I'=end_of_file
   Fail: (218) [system] 'I'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x563acd73bee0), 'I', _1071692)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _1107202)
   Call: (220) [system] peek_char((0x563acd73bee0), _1108136)
   Exit: (220) [system] peek_char((0x563acd73bee0), m)
^  Call: (220) [user] is_delimiter(m)
   Call: (221) [system] char_type(m, space)
   Fail: (221) [system] char_type(m, space)
   Call: (221) [system] arg(_1112856, v('(', ')', end_of_file), m)
   Fail: (221) [system] arg(_1113788, v('(', ')', end_of_file), m)
^  Fail: (220) [user] is_delimiter(m)
   Call: (220) [system] ')'==m
   Fail: (220) [system] ')'==m
   Call: (220) [system] get_char((0x563acd73bee0), m)
   Exit: (220) [system] get_char((0x563acd73bee0), m)
   Call: (220) [system] m=(\)
   Fail: (220) [system] m=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _1121138)
   Call: (221) [system] peek_char((0x563acd73bee0), _1122072)
   Exit: (221) [system] peek_char((0x563acd73bee0), p)
^  Call: (221) [user] is_delimiter(p)
   Call: (222) [system] char_type(p, space)
   Fail: (222) [system] char_type(p, space)
   Call: (222) [system] arg(_1126792, v('(', ')', end_of_file), p)
   Fail: (222) [system] arg(_1127724, v('(', ')', end_of_file), p)
^  Fail: (221) [user] is_delimiter(p)
   Call: (221) [system] ')'==p
   Fail: (221) [system] ')'==p
   Call: (221) [system] get_char((0x563acd73bee0), p)
   Exit: (221) [system] get_char((0x563acd73bee0), p)
   Call: (221) [system] p=(\)
   Fail: (221) [system] p=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _1135074)
   Call: (222) [system] peek_char((0x563acd73bee0), _1136008)
   Exit: (222) [system] peek_char((0x563acd73bee0), l)
^  Call: (222) [user] is_delimiter(l)
   Call: (223) [system] char_type(l, space)
   Fail: (223) [system] char_type(l, space)
   Call: (223) [system] arg(_1140728, v('(', ')', end_of_file), l)
   Fail: (223) [system] arg(_1141660, v('(', ')', end_of_file), l)
^  Fail: (222) [user] is_delimiter(l)
   Call: (222) [system] ')'==l
   Fail: (222) [system] ')'==l
   Call: (222) [system] get_char((0x563acd73bee0), l)
   Exit: (222) [system] get_char((0x563acd73bee0), l)
   Call: (222) [system] l=(\)
   Fail: (222) [system] l=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _1149010)
   Call: (223) [system] peek_char((0x563acd73bee0), _1149944)
   Exit: (223) [system] peek_char((0x563acd73bee0), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Fail: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_1154664, v('(', ')', end_of_file), i)
   Fail: (224) [system] arg(_1155596, v('(', ')', end_of_file), i)
^  Fail: (223) [user] is_delimiter(i)
   Call: (223) [system] ')'==i
   Fail: (223) [system] ')'==i
   Call: (223) [system] get_char((0x563acd73bee0), i)
   Exit: (223) [system] get_char((0x563acd73bee0), i)
   Call: (223) [system] i=(\)
   Fail: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _1162946)
   Call: (224) [system] peek_char((0x563acd73bee0), _1163880)
   Exit: (224) [system] peek_char((0x563acd73bee0), c)
^  Call: (224) [user] is_delimiter(c)
   Call: (225) [system] char_type(c, space)
   Fail: (225) [system] char_type(c, space)
   Call: (225) [system] arg(_1168600, v('(', ')', end_of_file), c)
   Fail: (225) [system] arg(_1169532, v('(', ')', end_of_file), c)
^  Fail: (224) [user] is_delimiter(c)
   Call: (224) [system] ')'==c
   Fail: (224) [system] ')'==c
   Call: (224) [system] get_char((0x563acd73bee0), c)
   Exit: (224) [system] get_char((0x563acd73bee0), c)
   Call: (224) [system] c=(\)
   Fail: (224) [system] c=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _1176882)
   Call: (225) [system] peek_char((0x563acd73bee0), _1177816)
   Exit: (225) [system] peek_char((0x563acd73bee0), a)
^  Call: (225) [user] is_delimiter(a)
   Call: (226) [system] char_type(a, space)
   Fail: (226) [system] char_type(a, space)
   Call: (226) [system] arg(_1182536, v('(', ')', end_of_file), a)
   Fail: (226) [system] arg(_1183468, v('(', ')', end_of_file), a)
^  Fail: (225) [user] is_delimiter(a)
   Call: (225) [system] ')'==a
   Fail: (225) [system] ')'==a
   Call: (225) [system] get_char((0x563acd73bee0), a)
   Exit: (225) [system] get_char((0x563acd73bee0), a)
   Call: (225) [system] a=(\)
   Fail: (225) [system] a=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _1190818)
   Call: (226) [system] peek_char((0x563acd73bee0), _1191752)
   Exit: (226) [system] peek_char((0x563acd73bee0), t)
^  Call: (226) [user] is_delimiter(t)
   Call: (227) [system] char_type(t, space)
   Fail: (227) [system] char_type(t, space)
   Call: (227) [system] arg(_1196472, v('(', ')', end_of_file), t)
   Fail: (227) [system] arg(_1197404, v('(', ')', end_of_file), t)
^  Fail: (226) [user] is_delimiter(t)
   Call: (226) [system] ')'==t
   Fail: (226) [system] ')'==t
   Call: (226) [system] get_char((0x563acd73bee0), t)
   Exit: (226) [system] get_char((0x563acd73bee0), t)
   Call: (226) [system] t=(\)
   Fail: (226) [system] t=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _1204754)
   Call: (227) [system] peek_char((0x563acd73bee0), _1205688)
   Exit: (227) [system] peek_char((0x563acd73bee0), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_1210408, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_1211340, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x563acd73bee0), i)
   Exit: (227) [system] get_char((0x563acd73bee0), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _1218690)
   Call: (228) [system] peek_char((0x563acd73bee0), _1219624)
   Exit: (228) [system] peek_char((0x563acd73bee0), o)
^  Call: (228) [user] is_delimiter(o)
   Call: (229) [system] char_type(o, space)
   Fail: (229) [system] char_type(o, space)
   Call: (229) [system] arg(_1224344, v('(', ')', end_of_file), o)
   Fail: (229) [system] arg(_1225276, v('(', ')', end_of_file), o)
^  Fail: (228) [user] is_delimiter(o)
   Call: (228) [system] ')'==o
   Fail: (228) [system] ')'==o
   Call: (228) [system] get_char((0x563acd73bee0), o)
   Exit: (228) [system] get_char((0x563acd73bee0), o)
   Call: (228) [system] o=(\)
   Fail: (228) [system] o=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _1232626)
   Call: (229) [system] peek_char((0x563acd73bee0), _1233560)
   Exit: (229) [system] peek_char((0x563acd73bee0), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_1238280, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_1239212, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x563acd73bee0), n)
   Exit: (229) [system] get_char((0x563acd73bee0), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _1246562)
   Call: (230) [system] peek_char((0x563acd73bee0), _1247496)
   Exit: (230) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _1246562=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (229) [system] _1232626=[n]
   Exit: (229) [system] [n]=[n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (228) [system] _1218690=[o, n]
   Exit: (228) [system] [o, n]=[o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (227) [system] _1204754=[i, o, n]
   Exit: (227) [system] [i, o, n]=[i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (226) [system] _1190818=[t, i, o, n]
   Exit: (226) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (225) [system] _1176882=[a, t, i, o, n]
   Exit: (225) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (224) [system] _1162946=[c, a, t, i, o, n]
   Exit: (224) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (223) [system] _1149010=[i, c, a, t, i, o, n]
   Exit: (223) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (222) [system] _1135074=[l, i, c, a, t, i, o, n]
   Exit: (222) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (221) [system] _1121138=[p, l, i, c, a, t, i, o, n]
   Exit: (221) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (220) [system] _1107202=[m, p, l, i, c, a, t, i, o, n]
   Exit: (220) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (219) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1071692)
^  Call: (220) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1284720)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_1285672, _1285674), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1284720), _1285654, fail)), '$restore_trace'(_1285672, _1285674))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_1285672, _1285674))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1284720), _1285654, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_1284720)
   Fail: (221) [system] atomic(_1284720)
   Call: (221) [system] atom_chars(_1284720, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (221) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (220) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (220) [system] integer('Implication')
   Fail: (220) [system] integer('Implication')
   Call: (220) [system] _1071692='Implication'
   Exit: (220) [system] 'Implication'='Implication'
^  Exit: (219) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (218) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (217) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (217) [user] read_list(')', (0x563acd73bee0), _1299670)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _1301528)
   Exit: (219) [system] peek_char((0x563acd73bee0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x563acd73bee0), _1311122)
   Exit: (219) [system] get_char((0x563acd73bee0), ' ')
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _1313826)
   Exit: (220) [system] peek_char((0x563acd73bee0), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _1330760)
   Exit: (218) [system] peek_char((0x563acd73bee0), '(')
   Call: (218) [system] '('=')'
   Fail: (218) [system] '('=')'
   Call: (218) [system] '('=end_of_file
   Fail: (218) [system] '('=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x563acd73bee0), _1336330)
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _1338188)
   Exit: (220) [system] peek_char((0x563acd73bee0), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] get_char((0x563acd73bee0), _1354198)
   Exit: (219) [system] get_char((0x563acd73bee0), '(')
   Call: (219) [system] '('='('
   Exit: (219) [system] '('='('
^  Call: (219) [user] read_list(')', (0x563acd73bee0), _1336330)
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _1359768)
   Exit: (221) [system] peek_char((0x563acd73bee0), 'O')
   Call: (221) [system] 'O'=(;)
   Fail: (221) [system] 'O'=(;)
   Call: (221) [system] 'O'=(/)
   Fail: (221) [system] 'O'=(/)
^  Call: (221) [user] is_like_space('O')
   Call: (222) [system] char_type('O', 'white')
   Fail: (222) [system] char_type('O', 'white')
   Call: (222) [system] char_type('O', end_of_line)
   Fail: (222) [system] char_type('O', end_of_line)
   Call: (222) [system] char_type('O', space)
   Fail: (222) [system] char_type('O', space)
   Call: (222) [system] char_type('O', cntrl)
   Fail: (222) [system] char_type('O', cntrl)
^  Fail: (221) [user] is_like_space('O')
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _1375778)
   Exit: (220) [system] peek_char((0x563acd73bee0), 'O')
   Call: (220) [system] 'O'=')'
   Fail: (220) [system] 'O'=')'
   Call: (220) [system] 'O'=end_of_file
   Fail: (220) [system] 'O'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x563acd73bee0), _1381348)
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _1383206)
   Exit: (222) [system] peek_char((0x563acd73bee0), 'O')
   Call: (222) [system] 'O'=(;)
   Fail: (222) [system] 'O'=(;)
   Call: (222) [system] 'O'=(/)
   Fail: (222) [system] 'O'=(/)
^  Call: (222) [user] is_like_space('O')
   Call: (223) [system] char_type('O', 'white')
   Fail: (223) [system] char_type('O', 'white')
   Call: (223) [system] char_type('O', end_of_line)
   Fail: (223) [system] char_type('O', end_of_line)
   Call: (223) [system] char_type('O', space)
   Fail: (223) [system] char_type('O', space)
   Call: (223) [system] char_type('O', cntrl)
   Fail: (223) [system] char_type('O', cntrl)
^  Fail: (222) [user] is_like_space('O')
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] get_char((0x563acd73bee0), _1399216)
   Exit: (221) [system] get_char((0x563acd73bee0), 'O')
   Call: (221) [system] 'O'='('
   Fail: (221) [system] 'O'='('
   Call: (221) [system] 'O'='['
   Fail: (221) [system] 'O'='['
   Call: (221) [system] 'O'='{'
   Fail: (221) [system] 'O'='{'
   Call: (221) [system] 'O'='"'
   Fail: (221) [system] 'O'='"'
   Call: (221) [system] 'O'=!
   Fail: (221) [system] 'O'=!
   Call: (221) [system] 'O'='\''
   Fail: (221) [system] 'O'='\''
   Call: (221) [system] 'O'='`'
   Fail: (221) [system] 'O'='`'
   Call: (221) [system] 'O'=end_of_file
   Fail: (221) [system] 'O'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x563acd73bee0), 'O', _1381348)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _1416858)
   Call: (223) [system] peek_char((0x563acd73bee0), _1417792)
   Exit: (223) [system] peek_char((0x563acd73bee0), r)
^  Call: (223) [user] is_delimiter(r)
   Call: (224) [system] char_type(r, space)
   Fail: (224) [system] char_type(r, space)
   Call: (224) [system] arg(_1422512, v('(', ')', end_of_file), r)
   Fail: (224) [system] arg(_1423444, v('(', ')', end_of_file), r)
^  Fail: (223) [user] is_delimiter(r)
   Call: (223) [system] ')'==r
   Fail: (223) [system] ')'==r
   Call: (223) [system] get_char((0x563acd73bee0), r)
   Exit: (223) [system] get_char((0x563acd73bee0), r)
   Call: (223) [system] r=(\)
   Fail: (223) [system] r=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _1430794)
   Call: (224) [system] peek_char((0x563acd73bee0), _1431728)
   Exit: (224) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (224) [user] is_delimiter('L')
   Call: (225) [system] char_type('L', space)
   Fail: (225) [system] char_type('L', space)
   Call: (225) [system] arg(_1436448, v('(', ')', end_of_file), 'L')
   Fail: (225) [system] arg(_1437380, v('(', ')', end_of_file), 'L')
^  Fail: (224) [user] is_delimiter('L')
   Call: (224) [system] ')'=='L'
   Fail: (224) [system] ')'=='L'
   Call: (224) [system] get_char((0x563acd73bee0), 'L')
   Exit: (224) [system] get_char((0x563acd73bee0), 'L')
   Call: (224) [system] 'L'=(\)
   Fail: (224) [system] 'L'=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _1444730)
   Call: (225) [system] peek_char((0x563acd73bee0), _1445664)
   Exit: (225) [system] peek_char((0x563acd73bee0), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_1450384, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_1451316, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x563acd73bee0), i)
   Exit: (225) [system] get_char((0x563acd73bee0), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _1458666)
   Call: (226) [system] peek_char((0x563acd73bee0), _1459600)
   Exit: (226) [system] peek_char((0x563acd73bee0), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_1464320, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_1465252, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x563acd73bee0), n)
   Exit: (226) [system] get_char((0x563acd73bee0), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _1472602)
   Call: (227) [system] peek_char((0x563acd73bee0), _1473536)
   Exit: (227) [system] peek_char((0x563acd73bee0), k)
^  Call: (227) [user] is_delimiter(k)
   Call: (228) [system] char_type(k, space)
   Fail: (228) [system] char_type(k, space)
   Call: (228) [system] arg(_1478256, v('(', ')', end_of_file), k)
   Fail: (228) [system] arg(_1479188, v('(', ')', end_of_file), k)
^  Fail: (227) [user] is_delimiter(k)
   Call: (227) [system] ')'==k
   Fail: (227) [system] ')'==k
   Call: (227) [system] get_char((0x563acd73bee0), k)
   Exit: (227) [system] get_char((0x563acd73bee0), k)
   Call: (227) [system] k=(\)
   Fail: (227) [system] k=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _1486538)
   Call: (228) [system] peek_char((0x563acd73bee0), _1487472)
   Exit: (228) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _1486538=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (227) [system] _1472602=[k]
   Exit: (227) [system] [k]=[k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (226) [system] _1458666=[n, k]
   Exit: (226) [system] [n, k]=[n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (225) [system] _1444730=[i, n, k]
   Exit: (225) [system] [i, n, k]=[i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (224) [system] _1430794=['L', i, n, k]
   Exit: (224) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (223) [system] _1416858=[r, 'L', i, n, k]
   Exit: (223) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (222) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1381348)
^  Call: (223) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1510726)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_1511678, _1511680), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1510726), _1511660, fail)), '$restore_trace'(_1511678, _1511680))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_1511678, _1511680))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1510726), _1511660, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_1510726)
   Fail: (224) [system] atomic(_1510726)
   Call: (224) [system] atom_chars(_1510726, ['O', r, 'L', i, n, k])
   Exit: (224) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (223) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (223) [system] integer('OrLink')
   Fail: (223) [system] integer('OrLink')
   Call: (223) [system] _1381348='OrLink'
   Exit: (223) [system] 'OrLink'='OrLink'
^  Exit: (222) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (221) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (220) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (220) [user] read_list(')', (0x563acd73bee0), _1525676)
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _1527534)
   Exit: (222) [system] peek_char((0x563acd73bee0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x563acd73bee0), _1537128)
   Exit: (222) [system] get_char((0x563acd73bee0), ' ')
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _1539832)
   Exit: (223) [system] peek_char((0x563acd73bee0), 'C')
   Call: (223) [system] 'C'=(;)
   Fail: (223) [system] 'C'=(;)
   Call: (223) [system] 'C'=(/)
   Fail: (223) [system] 'C'=(/)
^  Call: (223) [user] is_like_space('C')
   Call: (224) [system] char_type('C', 'white')
   Fail: (224) [system] char_type('C', 'white')
   Call: (224) [system] char_type('C', end_of_line)
   Fail: (224) [system] char_type('C', end_of_line)
   Call: (224) [system] char_type('C', space)
   Fail: (224) [system] char_type('C', space)
   Call: (224) [system] char_type('C', cntrl)
   Fail: (224) [system] char_type('C', cntrl)
^  Fail: (223) [user] is_like_space('C')
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _1556766)
   Exit: (221) [system] peek_char((0x563acd73bee0), 'C')
   Call: (221) [system] 'C'=')'
   Fail: (221) [system] 'C'=')'
   Call: (221) [system] 'C'=end_of_file
   Fail: (221) [system] 'C'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x563acd73bee0), _1562336)
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _1564194)
   Exit: (223) [system] peek_char((0x563acd73bee0), 'C')
   Call: (223) [system] 'C'=(;)
   Fail: (223) [system] 'C'=(;)
   Call: (223) [system] 'C'=(/)
   Fail: (223) [system] 'C'=(/)
^  Call: (223) [user] is_like_space('C')
   Call: (224) [system] char_type('C', 'white')
   Fail: (224) [system] char_type('C', 'white')
   Call: (224) [system] char_type('C', end_of_line)
   Fail: (224) [system] char_type('C', end_of_line)
   Call: (224) [system] char_type('C', space)
   Fail: (224) [system] char_type('C', space)
   Call: (224) [system] char_type('C', cntrl)
   Fail: (224) [system] char_type('C', cntrl)
^  Fail: (223) [user] is_like_space('C')
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] get_char((0x563acd73bee0), _1580204)
   Exit: (222) [system] get_char((0x563acd73bee0), 'C')
   Call: (222) [system] 'C'='('
   Fail: (222) [system] 'C'='('
   Call: (222) [system] 'C'='['
   Fail: (222) [system] 'C'='['
   Call: (222) [system] 'C'='{'
   Fail: (222) [system] 'C'='{'
   Call: (222) [system] 'C'='"'
   Fail: (222) [system] 'C'='"'
   Call: (222) [system] 'C'=!
   Fail: (222) [system] 'C'=!
   Call: (222) [system] 'C'='\''
   Fail: (222) [system] 'C'='\''
   Call: (222) [system] 'C'='`'
   Fail: (222) [system] 'C'='`'
   Call: (222) [system] 'C'=end_of_file
   Fail: (222) [system] 'C'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x563acd73bee0), 'C', _1562336)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _1597846)
   Call: (224) [system] peek_char((0x563acd73bee0), _1598780)
   Exit: (224) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _1597846=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (223) [user] classify_and_convert_charseq(['C'], _1562336)
^  Call: (224) [user] classify_and_convert_charseq_(['C'], _1608064)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_1609016, _1609018), once(user:catch(read_from_chars(['C'], _1608064), _1608998, fail)), '$restore_trace'(_1609016, _1609018))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_1609016, _1609018))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1608064), _1608998, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_1608064)
   Fail: (225) [system] atomic(_1608064)
   Call: (225) [system] atom_chars(_1608064, ['C'])
   Exit: (225) [system] atom_chars('C', ['C'])
^  Exit: (224) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (224) [system] integer('C')
   Fail: (224) [system] integer('C')
   Call: (224) [system] _1562336='C'
   Exit: (224) [system] 'C'='C'
^  Exit: (223) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (222) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (221) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (221) [user] read_list(')', (0x563acd73bee0), _1623014)
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _1624872)
   Exit: (223) [system] peek_char((0x563acd73bee0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x563acd73bee0), _1634466)
   Exit: (223) [system] get_char((0x563acd73bee0), ' ')
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _1637170)
   Exit: (224) [system] peek_char((0x563acd73bee0), 'D')
   Call: (224) [system] 'D'=(;)
   Fail: (224) [system] 'D'=(;)
   Call: (224) [system] 'D'=(/)
   Fail: (224) [system] 'D'=(/)
^  Call: (224) [user] is_like_space('D')
   Call: (225) [system] char_type('D', 'white')
   Fail: (225) [system] char_type('D', 'white')
   Call: (225) [system] char_type('D', end_of_line)
   Fail: (225) [system] char_type('D', end_of_line)
   Call: (225) [system] char_type('D', space)
   Fail: (225) [system] char_type('D', space)
   Call: (225) [system] char_type('D', cntrl)
   Fail: (225) [system] char_type('D', cntrl)
^  Fail: (224) [user] is_like_space('D')
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _1654104)
   Exit: (222) [system] peek_char((0x563acd73bee0), 'D')
   Call: (222) [system] 'D'=')'
   Fail: (222) [system] 'D'=')'
   Call: (222) [system] 'D'=end_of_file
   Fail: (222) [system] 'D'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x563acd73bee0), _1659674)
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _1661532)
   Exit: (224) [system] peek_char((0x563acd73bee0), 'D')
   Call: (224) [system] 'D'=(;)
   Fail: (224) [system] 'D'=(;)
   Call: (224) [system] 'D'=(/)
   Fail: (224) [system] 'D'=(/)
^  Call: (224) [user] is_like_space('D')
   Call: (225) [system] char_type('D', 'white')
   Fail: (225) [system] char_type('D', 'white')
   Call: (225) [system] char_type('D', end_of_line)
   Fail: (225) [system] char_type('D', end_of_line)
   Call: (225) [system] char_type('D', space)
   Fail: (225) [system] char_type('D', space)
   Call: (225) [system] char_type('D', cntrl)
   Fail: (225) [system] char_type('D', cntrl)
^  Fail: (224) [user] is_like_space('D')
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] get_char((0x563acd73bee0), _1677542)
   Exit: (223) [system] get_char((0x563acd73bee0), 'D')
   Call: (223) [system] 'D'='('
   Fail: (223) [system] 'D'='('
   Call: (223) [system] 'D'='['
   Fail: (223) [system] 'D'='['
   Call: (223) [system] 'D'='{'
   Fail: (223) [system] 'D'='{'
   Call: (223) [system] 'D'='"'
   Fail: (223) [system] 'D'='"'
   Call: (223) [system] 'D'=!
   Fail: (223) [system] 'D'=!
   Call: (223) [system] 'D'='\''
   Fail: (223) [system] 'D'='\''
   Call: (223) [system] 'D'='`'
   Fail: (223) [system] 'D'='`'
   Call: (223) [system] 'D'=end_of_file
   Fail: (223) [system] 'D'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x563acd73bee0), 'D', _1659674)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _1695184)
   Call: (225) [system] peek_char((0x563acd73bee0), _1696118)
   Exit: (225) [system] peek_char((0x563acd73bee0), ')')
^  Call: (225) [user] is_delimiter(')')
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] arg(_1700838, v('(', ')', end_of_file), ')')
   Exit: (226) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (225) [user] is_delimiter(')')
   Call: (225) [system] _1695184=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (224) [user] classify_and_convert_charseq(['D'], _1659674)
^  Call: (225) [user] classify_and_convert_charseq_(['D'], _1707274)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1708226, _1708228), once(user:catch(read_from_chars(['D'], _1707274), _1708208, fail)), '$restore_trace'(_1708226, _1708228))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1708226, _1708228))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1707274), _1708208, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_1707274)
   Fail: (226) [system] atomic(_1707274)
   Call: (226) [system] atom_chars(_1707274, ['D'])
   Exit: (226) [system] atom_chars('D', ['D'])
^  Exit: (225) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (225) [system] integer('D')
   Fail: (225) [system] integer('D')
   Call: (225) [system] _1659674='D'
   Exit: (225) [system] 'D'='D'
^  Exit: (224) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (223) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'D')
^  Exit: (222) [user] cont_sexpr(')', (0x563acd73bee0), 'D')
^  Call: (222) [user] read_list(')', (0x563acd73bee0), _1722224)
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _1724082)
   Exit: (224) [system] peek_char((0x563acd73bee0), ')')
   Call: (224) [system] ')'=(;)
   Fail: (224) [system] ')'=(;)
   Call: (224) [system] ')'=(/)
   Fail: (224) [system] ')'=(/)
^  Call: (224) [user] is_like_space(')')
   Call: (225) [system] char_type(')', 'white')
   Fail: (225) [system] char_type(')', 'white')
   Call: (225) [system] char_type(')', end_of_line)
   Fail: (225) [system] char_type(')', end_of_line)
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] char_type(')', cntrl)
   Fail: (225) [system] char_type(')', cntrl)
^  Fail: (224) [user] is_like_space(')')
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _1740092)
   Exit: (223) [system] peek_char((0x563acd73bee0), ')')
   Call: (223) [system] ')'=')'
   Exit: (223) [system] ')'=')'
   Call: (223) [system] get_char((0x563acd73bee0), _1743882)
   Exit: (223) [system] get_char((0x563acd73bee0), ')')
   Call: (223) [system] _1722224=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_list(')', (0x563acd73bee0), [])
   Call: (222) [system] _1623014=['D']
   Exit: (222) [system] ['D']=['D']
^  Exit: (221) [user] read_list(')', (0x563acd73bee0), ['D'])
   Call: (221) [system] _1525676=['C', 'D']
   Exit: (221) [system] ['C', 'D']=['C', 'D']
^  Exit: (220) [user] read_list(')', (0x563acd73bee0), ['C', 'D'])
   Call: (220) [system] _1336330=['OrLink', 'C', 'D']
   Exit: (220) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (219) [user] read_list(')', (0x563acd73bee0), ['OrLink', 'C', 'D'])
^  Exit: (218) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', 'C', 'D'])
^  Call: (218) [user] read_list(')', (0x563acd73bee0), _1757764)
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _1759622)
   Exit: (220) [system] peek_char((0x563acd73bee0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x563acd73bee0), _1769216)
   Exit: (220) [system] get_char((0x563acd73bee0), ' ')
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _1771920)
   Exit: (221) [system] peek_char((0x563acd73bee0), 'E')
   Call: (221) [system] 'E'=(;)
   Fail: (221) [system] 'E'=(;)
   Call: (221) [system] 'E'=(/)
   Fail: (221) [system] 'E'=(/)
^  Call: (221) [user] is_like_space('E')
   Call: (222) [system] char_type('E', 'white')
   Fail: (222) [system] char_type('E', 'white')
   Call: (222) [system] char_type('E', end_of_line)
   Fail: (222) [system] char_type('E', end_of_line)
   Call: (222) [system] char_type('E', space)
   Fail: (222) [system] char_type('E', space)
   Call: (222) [system] char_type('E', cntrl)
   Fail: (222) [system] char_type('E', cntrl)
^  Fail: (221) [user] is_like_space('E')
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _1788854)
   Exit: (219) [system] peek_char((0x563acd73bee0), 'E')
   Call: (219) [system] 'E'=')'
   Fail: (219) [system] 'E'=')'
   Call: (219) [system] 'E'=end_of_file
   Fail: (219) [system] 'E'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x563acd73bee0), _1794424)
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _1796282)
   Exit: (221) [system] peek_char((0x563acd73bee0), 'E')
   Call: (221) [system] 'E'=(;)
   Fail: (221) [system] 'E'=(;)
   Call: (221) [system] 'E'=(/)
   Fail: (221) [system] 'E'=(/)
^  Call: (221) [user] is_like_space('E')
   Call: (222) [system] char_type('E', 'white')
   Fail: (222) [system] char_type('E', 'white')
   Call: (222) [system] char_type('E', end_of_line)
   Fail: (222) [system] char_type('E', end_of_line)
   Call: (222) [system] char_type('E', space)
   Fail: (222) [system] char_type('E', space)
   Call: (222) [system] char_type('E', cntrl)
   Fail: (222) [system] char_type('E', cntrl)
^  Fail: (221) [user] is_like_space('E')
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] get_char((0x563acd73bee0), _1812292)
   Exit: (220) [system] get_char((0x563acd73bee0), 'E')
   Call: (220) [system] 'E'='('
   Fail: (220) [system] 'E'='('
   Call: (220) [system] 'E'='['
   Fail: (220) [system] 'E'='['
   Call: (220) [system] 'E'='{'
   Fail: (220) [system] 'E'='{'
   Call: (220) [system] 'E'='"'
   Fail: (220) [system] 'E'='"'
   Call: (220) [system] 'E'=!
   Fail: (220) [system] 'E'=!
   Call: (220) [system] 'E'='\''
   Fail: (220) [system] 'E'='\''
   Call: (220) [system] 'E'='`'
   Fail: (220) [system] 'E'='`'
   Call: (220) [system] 'E'=end_of_file
   Fail: (220) [system] 'E'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x563acd73bee0), 'E', _1794424)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _1829934)
   Call: (222) [system] peek_char((0x563acd73bee0), _1830868)
   Exit: (222) [system] peek_char((0x563acd73bee0), ')')
^  Call: (222) [user] is_delimiter(')')
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] arg(_1835588, v('(', ')', end_of_file), ')')
   Exit: (223) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (222) [user] is_delimiter(')')
   Call: (222) [system] _1829934=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (221) [user] classify_and_convert_charseq(['E'], _1794424)
^  Call: (222) [user] classify_and_convert_charseq_(['E'], _1842024)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_1842976, _1842978), once(user:catch(read_from_chars(['E'], _1842024), _1842958, fail)), '$restore_trace'(_1842976, _1842978))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_1842976, _1842978))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1842024), _1842958, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_1842024)
   Fail: (223) [system] atomic(_1842024)
   Call: (223) [system] atom_chars(_1842024, ['E'])
   Exit: (223) [system] atom_chars('E', ['E'])
^  Exit: (222) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (222) [system] integer('E')
   Fail: (222) [system] integer('E')
   Call: (222) [system] _1794424='E'
   Exit: (222) [system] 'E'='E'
^  Exit: (221) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (220) [user] read_symbolic(')', (0x563acd73bee0), 'E', 'E')
^  Exit: (219) [user] cont_sexpr(')', (0x563acd73bee0), 'E')
^  Call: (219) [user] read_list(')', (0x563acd73bee0), _1856974)
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _1858832)
   Exit: (221) [system] peek_char((0x563acd73bee0), ')')
   Call: (221) [system] ')'=(;)
   Fail: (221) [system] ')'=(;)
   Call: (221) [system] ')'=(/)
   Fail: (221) [system] ')'=(/)
^  Call: (221) [user] is_like_space(')')
   Call: (222) [system] char_type(')', 'white')
   Fail: (222) [system] char_type(')', 'white')
   Call: (222) [system] char_type(')', end_of_line)
   Fail: (222) [system] char_type(')', end_of_line)
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] char_type(')', cntrl)
   Fail: (222) [system] char_type(')', cntrl)
^  Fail: (221) [user] is_like_space(')')
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _1874842)
   Exit: (220) [system] peek_char((0x563acd73bee0), ')')
   Call: (220) [system] ')'=')'
   Exit: (220) [system] ')'=')'
   Call: (220) [system] get_char((0x563acd73bee0), _1878632)
   Exit: (220) [system] get_char((0x563acd73bee0), ')')
   Call: (220) [system] _1856974=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_list(')', (0x563acd73bee0), [])
   Call: (219) [system] _1757764=['E']
   Exit: (219) [system] ['E']=['E']
^  Exit: (218) [user] read_list(')', (0x563acd73bee0), ['E'])
   Call: (218) [system] _1299670=[['OrLink', 'C', 'D'], 'E']
   Exit: (218) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (217) [user] read_list(')', (0x563acd73bee0), [['OrLink', 'C', 'D'], 'E'])
   Call: (217) [system] _1026674=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (217) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (216) [user] read_list(')', (0x563acd73bee0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (215) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (215) [user] read_list(')', (0x563acd73bee0), _1892514)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1894372)
   Exit: (217) [system] peek_char((0x563acd73bee0), ')')
   Call: (217) [system] ')'=(;)
   Fail: (217) [system] ')'=(;)
   Call: (217) [system] ')'=(/)
   Fail: (217) [system] ')'=(/)
^  Call: (217) [user] is_like_space(')')
   Call: (218) [system] char_type(')', 'white')
   Fail: (218) [system] char_type(')', 'white')
   Call: (218) [system] char_type(')', end_of_line)
   Fail: (218) [system] char_type(')', end_of_line)
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] char_type(')', cntrl)
   Fail: (218) [system] char_type(')', cntrl)
^  Fail: (217) [user] is_like_space(')')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1910382)
   Exit: (216) [system] peek_char((0x563acd73bee0), ')')
   Call: (216) [system] ')'=')'
   Exit: (216) [system] ')'=')'
   Call: (216) [system] get_char((0x563acd73bee0), _1914172)
   Exit: (216) [system] get_char((0x563acd73bee0), ')')
   Call: (216) [system] _1892514=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_list(')', (0x563acd73bee0), [])
   Call: (215) [system] _990014=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (215) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (214) [user] read_list(')', (0x563acd73bee0), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (214) [system] _892676=['B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (214) [system] ['B', ['Implication', ['OrLink', 'C', 'D'], 'E']]=['B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (213) [user] read_list(')', (0x563acd73bee0), ['B', ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (213) [system] _703330=['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (213) [system] ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]=['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (212) [user] read_list(')', (0x563acd73bee0), ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (211) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (211) [user] read_list(')', (0x563acd73bee0), _1928054)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1929912)
   Exit: (213) [system] peek_char((0x563acd73bee0), ')')
   Call: (213) [system] ')'=(;)
   Fail: (213) [system] ')'=(;)
   Call: (213) [system] ')'=(/)
   Fail: (213) [system] ')'=(/)
^  Call: (213) [user] is_like_space(')')
   Call: (214) [system] char_type(')', 'white')
   Fail: (214) [system] char_type(')', 'white')
   Call: (214) [system] char_type(')', end_of_line)
   Fail: (214) [system] char_type(')', end_of_line)
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] char_type(')', cntrl)
   Fail: (214) [system] char_type(')', cntrl)
^  Fail: (213) [user] is_like_space(')')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1945922)
   Exit: (212) [system] peek_char((0x563acd73bee0), ')')
   Call: (212) [system] ')'=')'
   Exit: (212) [system] ')'=')'
   Call: (212) [system] get_char((0x563acd73bee0), _1949712)
   Exit: (212) [system] get_char((0x563acd73bee0), ')')
   Call: (212) [system] _1928054=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_list(')', (0x563acd73bee0), [])
   Call: (211) [system] _666670=[['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (211) [system] [['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (210) [user] read_list(')', (0x563acd73bee0), [['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (210) [system] _5194=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (210) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (209) [user] read_list(')', (0x563acd73bee0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (209) [system] _5186=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (209) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (208) [user] read_list(')', (0x563acd73bee0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (207) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (207) [user] read_list(')', (0x563acd73bee0), _1963594)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1965452)
   Exit: (209) [system] peek_char((0x563acd73bee0), ')')
   Call: (209) [system] ')'=(;)
   Fail: (209) [system] ')'=(;)
   Call: (209) [system] ')'=(/)
   Fail: (209) [system] ')'=(/)
^  Call: (209) [user] is_like_space(')')
   Call: (210) [system] char_type(')', 'white')
   Fail: (210) [system] char_type(')', 'white')
   Call: (210) [system] char_type(')', end_of_line)
   Fail: (210) [system] char_type(')', end_of_line)
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] char_type(')', cntrl)
   Fail: (210) [system] char_type(')', cntrl)
^  Fail: (209) [user] is_like_space(')')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1981462)
   Exit: (208) [system] peek_char((0x563acd73bee0), ')')
   Call: (208) [system] ')'=')'
   Exit: (208) [system] ')'=')'
   Call: (208) [system] get_char((0x563acd73bee0), _1985252)
   Exit: (208) [system] get_char((0x563acd73bee0), ')')
   Call: (208) [system] _1963594=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_list(')', (0x563acd73bee0), [])
   Call: (207) [system] _5182=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (207) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (206) [user] read_list(')', (0x563acd73bee0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (206) [system] _5140=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (206) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (205) [user] read_list(')', (0x563acd73bee0), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (205) [system] _5132=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (205) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (204) [user] read_list(')', (0x563acd73bee0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Exit: (203) [user] cont_sexpr(')', (0x563acd73bee0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Call: (203) [user] read_list(')', (0x563acd73bee0), _1999134)
^  Call: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _2000992)
   Exit: (205) [system] peek_char((0x563acd73bee0), '\n')
   Call: (205) [system] '\n'=(;)
   Fail: (205) [system] '\n'=(;)
   Call: (205) [system] '\n'=(/)
   Fail: (205) [system] '\n'=(/)
^  Call: (205) [user] is_like_space('\n')
   Call: (206) [system] char_type('\n', 'white')
   Fail: (206) [system] char_type('\n', 'white')
   Call: (206) [system] char_type('\n', end_of_line)
   Exit: (206) [system] char_type('\n', end_of_line)
^  Exit: (205) [user] is_like_space('\n')
   Call: (205) [system] get_char((0x563acd73bee0), _2012442)
   Exit: (205) [system] get_char((0x563acd73bee0), '\n')
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _2015146)
   Exit: (206) [system] peek_char((0x563acd73bee0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
   Call: (206) [system] ' '=(/)
   Fail: (206) [system] ' '=(/)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x563acd73bee0), _2024740)
   Exit: (206) [system] get_char((0x563acd73bee0), ' ')
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _2027444)
   Exit: (207) [system] peek_char((0x563acd73bee0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
^  Exit: (204) [user] skip_spaces((0x563acd73bee0))
   Call: (204) [system] peek_char((0x563acd73bee0), _2045302)
   Exit: (204) [system] peek_char((0x563acd73bee0), '(')
   Call: (204) [system] '('=')'
   Fail: (204) [system] '('=')'
   Call: (204) [system] '('=end_of_file
   Fail: (204) [system] '('=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x563acd73bee0), _2050872)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _2052730)
   Exit: (206) [system] peek_char((0x563acd73bee0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
   Call: (206) [system] '('=(/)
   Fail: (206) [system] '('=(/)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] get_char((0x563acd73bee0), _2068740)
   Exit: (205) [system] get_char((0x563acd73bee0), '(')
   Call: (205) [system] '('='('
   Exit: (205) [system] '('='('
^  Call: (205) [user] read_list(')', (0x563acd73bee0), _2050872)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _2074310)
   Exit: (207) [system] peek_char((0x563acd73bee0), :)
   Call: (207) [system] (:)=(;)
   Fail: (207) [system] (:)=(;)
   Call: (207) [system] (:)=(/)
   Fail: (207) [system] (:)=(/)
^  Call: (207) [user] is_like_space(:)
   Call: (208) [system] char_type(:, 'white')
   Fail: (208) [system] char_type(:, 'white')
   Call: (208) [system] char_type(:, end_of_line)
   Fail: (208) [system] char_type(:, end_of_line)
   Call: (208) [system] char_type(:, space)
   Fail: (208) [system] char_type(:, space)
   Call: (208) [system] char_type(:, cntrl)
   Fail: (208) [system] char_type(:, cntrl)
^  Fail: (207) [user] is_like_space(:)
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _2090320)
   Exit: (206) [system] peek_char((0x563acd73bee0), :)
   Call: (206) [system] (:)=')'
   Fail: (206) [system] (:)=')'
   Call: (206) [system] (:)=end_of_file
   Fail: (206) [system] (:)=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x563acd73bee0), _2095890)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _6176)
   Exit: (208) [system] peek_char((0x563acd73bee0), :)
   Call: (208) [system] (:)=(;)
   Fail: (208) [system] (:)=(;)
   Call: (208) [system] (:)=(/)
   Fail: (208) [system] (:)=(/)
^  Call: (208) [user] is_like_space(:)
   Call: (209) [system] char_type(:, 'white')
   Fail: (209) [system] char_type(:, 'white')
   Call: (209) [system] char_type(:, end_of_line)
   Fail: (209) [system] char_type(:, end_of_line)
   Call: (209) [system] char_type(:, space)
   Fail: (209) [system] char_type(:, space)
   Call: (209) [system] char_type(:, cntrl)
   Fail: (209) [system] char_type(:, cntrl)
^  Fail: (208) [user] is_like_space(:)
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] get_char((0x563acd73bee0), _22186)
   Exit: (207) [system] get_char((0x563acd73bee0), :)
   Call: (207) [system] (:)='('
   Fail: (207) [system] (:)='('
   Call: (207) [system] (:)='['
   Fail: (207) [system] (:)='['
   Call: (207) [system] (:)='{'
   Fail: (207) [system] (:)='{'
   Call: (207) [system] (:)='"'
   Fail: (207) [system] (:)='"'
   Call: (207) [system] (:)=!
   Fail: (207) [system] (:)=!
   Call: (207) [system] (:)='\''
   Fail: (207) [system] (:)='\''
   Call: (207) [system] (:)='`'
   Fail: (207) [system] (:)='`'
   Call: (207) [system] (:)=end_of_file
   Fail: (207) [system] (:)=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x563acd73bee0), :, _5306)
^  Call: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), _39828)
   Call: (209) [system] peek_char((0x563acd73bee0), _40762)
   Exit: (209) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _39828=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (208) [user] classify_and_convert_charseq([:], _5306)
^  Call: (209) [user] classify_and_convert_charseq_([:], _50046)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_50998, _51000), once(user:catch(read_from_chars([:], _50046), _50980, fail)), '$restore_trace'(_50998, _51000))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_50998, _51000))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _50980, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(:)
   Exit: (210) [system] atomic(:)
^  Exit: (209) [user] classify_and_convert_charseq_([:], :)
   Call: (209) [system] integer(:)
   Fail: (209) [system] integer(:)
   Call: (209) [system] _5306=(:)
   Exit: (209) [system] (:)=(:)
^  Exit: (208) [user] classify_and_convert_charseq([:], :)
^  Exit: (207) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (206) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (206) [user] read_list(')', (0x563acd73bee0), _63126)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _64984)
   Exit: (208) [system] peek_char((0x563acd73bee0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x563acd73bee0), _74578)
   Exit: (208) [system] get_char((0x563acd73bee0), ' ')
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _77282)
   Exit: (209) [system] peek_char((0x563acd73bee0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _94216)
   Exit: (207) [system] peek_char((0x563acd73bee0), '(')
   Call: (207) [system] '('=')'
   Fail: (207) [system] '('=')'
   Call: (207) [system] '('=end_of_file
   Fail: (207) [system] '('=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x563acd73bee0), _99786)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _101644)
   Exit: (209) [system] peek_char((0x563acd73bee0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] get_char((0x563acd73bee0), _117654)
   Exit: (208) [system] get_char((0x563acd73bee0), '(')
   Call: (208) [system] '('='('
   Exit: (208) [system] '('='('
^  Call: (208) [user] read_list(')', (0x563acd73bee0), _99786)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _123224)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'D')
   Call: (210) [system] 'D'=(;)
   Fail: (210) [system] 'D'=(;)
   Call: (210) [system] 'D'=(/)
   Fail: (210) [system] 'D'=(/)
^  Call: (210) [user] is_like_space('D')
   Call: (211) [system] char_type('D', 'white')
   Fail: (211) [system] char_type('D', 'white')
   Call: (211) [system] char_type('D', end_of_line)
   Fail: (211) [system] char_type('D', end_of_line)
   Call: (211) [system] char_type('D', space)
   Fail: (211) [system] char_type('D', space)
   Call: (211) [system] char_type('D', cntrl)
   Fail: (211) [system] char_type('D', cntrl)
^  Fail: (210) [user] is_like_space('D')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _139234)
   Exit: (209) [system] peek_char((0x563acd73bee0), 'D')
   Call: (209) [system] 'D'=')'
   Fail: (209) [system] 'D'=')'
   Call: (209) [system] 'D'=end_of_file
   Fail: (209) [system] 'D'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x563acd73bee0), _144804)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _146662)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'D')
   Call: (211) [system] 'D'=(;)
   Fail: (211) [system] 'D'=(;)
   Call: (211) [system] 'D'=(/)
   Fail: (211) [system] 'D'=(/)
^  Call: (211) [user] is_like_space('D')
   Call: (212) [system] char_type('D', 'white')
   Fail: (212) [system] char_type('D', 'white')
   Call: (212) [system] char_type('D', end_of_line)
   Fail: (212) [system] char_type('D', end_of_line)
   Call: (212) [system] char_type('D', space)
   Fail: (212) [system] char_type('D', space)
   Call: (212) [system] char_type('D', cntrl)
   Fail: (212) [system] char_type('D', cntrl)
^  Fail: (211) [user] is_like_space('D')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] get_char((0x563acd73bee0), _162672)
   Exit: (210) [system] get_char((0x563acd73bee0), 'D')
   Call: (210) [system] 'D'='('
   Fail: (210) [system] 'D'='('
   Call: (210) [system] 'D'='['
   Fail: (210) [system] 'D'='['
   Call: (210) [system] 'D'='{'
   Fail: (210) [system] 'D'='{'
   Call: (210) [system] 'D'='"'
   Fail: (210) [system] 'D'='"'
   Call: (210) [system] 'D'=!
   Fail: (210) [system] 'D'=!
   Call: (210) [system] 'D'='\''
   Fail: (210) [system] 'D'='\''
   Call: (210) [system] 'D'='`'
   Fail: (210) [system] 'D'='`'
   Call: (210) [system] 'D'=end_of_file
   Fail: (210) [system] 'D'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x563acd73bee0), 'D', _144804)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _180314)
   Call: (212) [system] peek_char((0x563acd73bee0), _181248)
   Exit: (212) [system] peek_char((0x563acd73bee0), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_185968, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_186900, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x563acd73bee0), i)
   Exit: (212) [system] get_char((0x563acd73bee0), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _194250)
   Call: (213) [system] peek_char((0x563acd73bee0), _195184)
   Exit: (213) [system] peek_char((0x563acd73bee0), s)
^  Call: (213) [user] is_delimiter(s)
   Call: (214) [system] char_type(s, space)
   Fail: (214) [system] char_type(s, space)
   Call: (214) [system] arg(_199904, v('(', ')', end_of_file), s)
   Fail: (214) [system] arg(_200836, v('(', ')', end_of_file), s)
^  Fail: (213) [user] is_delimiter(s)
   Call: (213) [system] ')'==s
   Fail: (213) [system] ')'==s
   Call: (213) [system] get_char((0x563acd73bee0), s)
   Exit: (213) [system] get_char((0x563acd73bee0), s)
   Call: (213) [system] s=(\)
   Fail: (213) [system] s=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _208186)
   Call: (214) [system] peek_char((0x563acd73bee0), _209120)
   Exit: (214) [system] peek_char((0x563acd73bee0), j)
^  Call: (214) [user] is_delimiter(j)
   Call: (215) [system] char_type(j, space)
   Fail: (215) [system] char_type(j, space)
   Call: (215) [system] arg(_213840, v('(', ')', end_of_file), j)
   Fail: (215) [system] arg(_214772, v('(', ')', end_of_file), j)
^  Fail: (214) [user] is_delimiter(j)
   Call: (214) [system] ')'==j
   Fail: (214) [system] ')'==j
   Call: (214) [system] get_char((0x563acd73bee0), j)
   Exit: (214) [system] get_char((0x563acd73bee0), j)
   Call: (214) [system] j=(\)
   Fail: (214) [system] j=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _222122)
   Call: (215) [system] peek_char((0x563acd73bee0), _223056)
   Exit: (215) [system] peek_char((0x563acd73bee0), u)
^  Call: (215) [user] is_delimiter(u)
   Call: (216) [system] char_type(u, space)
   Fail: (216) [system] char_type(u, space)
   Call: (216) [system] arg(_227776, v('(', ')', end_of_file), u)
   Fail: (216) [system] arg(_228708, v('(', ')', end_of_file), u)
^  Fail: (215) [user] is_delimiter(u)
   Call: (215) [system] ')'==u
   Fail: (215) [system] ')'==u
   Call: (215) [system] get_char((0x563acd73bee0), u)
   Exit: (215) [system] get_char((0x563acd73bee0), u)
   Call: (215) [system] u=(\)
   Fail: (215) [system] u=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _236058)
   Call: (216) [system] peek_char((0x563acd73bee0), _236992)
   Exit: (216) [system] peek_char((0x563acd73bee0), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_241712, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_242644, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x563acd73bee0), n)
   Exit: (216) [system] get_char((0x563acd73bee0), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _249994)
   Call: (217) [system] peek_char((0x563acd73bee0), _250928)
   Exit: (217) [system] peek_char((0x563acd73bee0), c)
^  Call: (217) [user] is_delimiter(c)
   Call: (218) [system] char_type(c, space)
   Fail: (218) [system] char_type(c, space)
   Call: (218) [system] arg(_255648, v('(', ')', end_of_file), c)
   Fail: (218) [system] arg(_256580, v('(', ')', end_of_file), c)
^  Fail: (217) [user] is_delimiter(c)
   Call: (217) [system] ')'==c
   Fail: (217) [system] ')'==c
   Call: (217) [system] get_char((0x563acd73bee0), c)
   Exit: (217) [system] get_char((0x563acd73bee0), c)
   Call: (217) [system] c=(\)
   Fail: (217) [system] c=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _263930)
   Call: (218) [system] peek_char((0x563acd73bee0), _264864)
   Exit: (218) [system] peek_char((0x563acd73bee0), t)
^  Call: (218) [user] is_delimiter(t)
   Call: (219) [system] char_type(t, space)
   Fail: (219) [system] char_type(t, space)
   Call: (219) [system] arg(_269584, v('(', ')', end_of_file), t)
   Fail: (219) [system] arg(_270516, v('(', ')', end_of_file), t)
^  Fail: (218) [user] is_delimiter(t)
   Call: (218) [system] ')'==t
   Fail: (218) [system] ')'==t
   Call: (218) [system] get_char((0x563acd73bee0), t)
   Exit: (218) [system] get_char((0x563acd73bee0), t)
   Call: (218) [system] t=(\)
   Fail: (218) [system] t=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _277866)
   Call: (219) [system] peek_char((0x563acd73bee0), _278800)
   Exit: (219) [system] peek_char((0x563acd73bee0), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Fail: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_283520, v('(', ')', end_of_file), i)
   Fail: (220) [system] arg(_284452, v('(', ')', end_of_file), i)
^  Fail: (219) [user] is_delimiter(i)
   Call: (219) [system] ')'==i
   Fail: (219) [system] ')'==i
   Call: (219) [system] get_char((0x563acd73bee0), i)
   Exit: (219) [system] get_char((0x563acd73bee0), i)
   Call: (219) [system] i=(\)
   Fail: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _291802)
   Call: (220) [system] peek_char((0x563acd73bee0), _292736)
   Exit: (220) [system] peek_char((0x563acd73bee0), o)
^  Call: (220) [user] is_delimiter(o)
   Call: (221) [system] char_type(o, space)
   Fail: (221) [system] char_type(o, space)
   Call: (221) [system] arg(_297456, v('(', ')', end_of_file), o)
   Fail: (221) [system] arg(_298388, v('(', ')', end_of_file), o)
^  Fail: (220) [user] is_delimiter(o)
   Call: (220) [system] ')'==o
   Fail: (220) [system] ')'==o
   Call: (220) [system] get_char((0x563acd73bee0), o)
   Exit: (220) [system] get_char((0x563acd73bee0), o)
   Call: (220) [system] o=(\)
   Fail: (220) [system] o=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _305738)
   Call: (221) [system] peek_char((0x563acd73bee0), _306672)
   Exit: (221) [system] peek_char((0x563acd73bee0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_311392, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_312324, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x563acd73bee0), n)
   Exit: (221) [system] get_char((0x563acd73bee0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _319674)
   Call: (222) [system] peek_char((0x563acd73bee0), _320608)
   Exit: (222) [system] peek_char((0x563acd73bee0), 'I')
^  Call: (222) [user] is_delimiter('I')
   Call: (223) [system] char_type('I', space)
   Fail: (223) [system] char_type('I', space)
   Call: (223) [system] arg(_325328, v('(', ')', end_of_file), 'I')
   Fail: (223) [system] arg(_326260, v('(', ')', end_of_file), 'I')
^  Fail: (222) [user] is_delimiter('I')
   Call: (222) [system] ')'=='I'
   Fail: (222) [system] ')'=='I'
   Call: (222) [system] get_char((0x563acd73bee0), 'I')
   Exit: (222) [system] get_char((0x563acd73bee0), 'I')
   Call: (222) [system] 'I'=(\)
   Fail: (222) [system] 'I'=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _333610)
   Call: (223) [system] peek_char((0x563acd73bee0), _334544)
   Exit: (223) [system] peek_char((0x563acd73bee0), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_339264, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_340196, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x563acd73bee0), n)
   Exit: (223) [system] get_char((0x563acd73bee0), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _347546)
   Call: (224) [system] peek_char((0x563acd73bee0), _348480)
   Exit: (224) [system] peek_char((0x563acd73bee0), t)
^  Call: (224) [user] is_delimiter(t)
   Call: (225) [system] char_type(t, space)
   Fail: (225) [system] char_type(t, space)
   Call: (225) [system] arg(_353200, v('(', ')', end_of_file), t)
   Fail: (225) [system] arg(_354132, v('(', ')', end_of_file), t)
^  Fail: (224) [user] is_delimiter(t)
   Call: (224) [system] ')'==t
   Fail: (224) [system] ')'==t
   Call: (224) [system] get_char((0x563acd73bee0), t)
   Exit: (224) [system] get_char((0x563acd73bee0), t)
   Call: (224) [system] t=(\)
   Fail: (224) [system] t=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _361482)
   Call: (225) [system] peek_char((0x563acd73bee0), _362416)
   Exit: (225) [system] peek_char((0x563acd73bee0), r)
^  Call: (225) [user] is_delimiter(r)
   Call: (226) [system] char_type(r, space)
   Fail: (226) [system] char_type(r, space)
   Call: (226) [system] arg(_367136, v('(', ')', end_of_file), r)
   Fail: (226) [system] arg(_368068, v('(', ')', end_of_file), r)
^  Fail: (225) [user] is_delimiter(r)
   Call: (225) [system] ')'==r
   Fail: (225) [system] ')'==r
   Call: (225) [system] get_char((0x563acd73bee0), r)
   Exit: (225) [system] get_char((0x563acd73bee0), r)
   Call: (225) [system] r=(\)
   Fail: (225) [system] r=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _375418)
   Call: (226) [system] peek_char((0x563acd73bee0), _376352)
   Exit: (226) [system] peek_char((0x563acd73bee0), o)
^  Call: (226) [user] is_delimiter(o)
   Call: (227) [system] char_type(o, space)
   Fail: (227) [system] char_type(o, space)
   Call: (227) [system] arg(_381072, v('(', ')', end_of_file), o)
   Fail: (227) [system] arg(_382004, v('(', ')', end_of_file), o)
^  Fail: (226) [user] is_delimiter(o)
   Call: (226) [system] ')'==o
   Fail: (226) [system] ')'==o
   Call: (226) [system] get_char((0x563acd73bee0), o)
   Exit: (226) [system] get_char((0x563acd73bee0), o)
   Call: (226) [system] o=(\)
   Fail: (226) [system] o=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _389354)
   Call: (227) [system] peek_char((0x563acd73bee0), _390288)
   Exit: (227) [system] peek_char((0x563acd73bee0), d)
^  Call: (227) [user] is_delimiter(d)
   Call: (228) [system] char_type(d, space)
   Fail: (228) [system] char_type(d, space)
   Call: (228) [system] arg(_395008, v('(', ')', end_of_file), d)
   Fail: (228) [system] arg(_395940, v('(', ')', end_of_file), d)
^  Fail: (227) [user] is_delimiter(d)
   Call: (227) [system] ')'==d
   Fail: (227) [system] ')'==d
   Call: (227) [system] get_char((0x563acd73bee0), d)
   Exit: (227) [system] get_char((0x563acd73bee0), d)
   Call: (227) [system] d=(\)
   Fail: (227) [system] d=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _403290)
   Call: (228) [system] peek_char((0x563acd73bee0), _404224)
   Exit: (228) [system] peek_char((0x563acd73bee0), u)
^  Call: (228) [user] is_delimiter(u)
   Call: (229) [system] char_type(u, space)
   Fail: (229) [system] char_type(u, space)
   Call: (229) [system] arg(_408944, v('(', ')', end_of_file), u)
   Fail: (229) [system] arg(_409876, v('(', ')', end_of_file), u)
^  Fail: (228) [user] is_delimiter(u)
   Call: (228) [system] ')'==u
   Fail: (228) [system] ')'==u
   Call: (228) [system] get_char((0x563acd73bee0), u)
   Exit: (228) [system] get_char((0x563acd73bee0), u)
   Call: (228) [system] u=(\)
   Fail: (228) [system] u=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _417226)
   Call: (229) [system] peek_char((0x563acd73bee0), _418160)
   Exit: (229) [system] peek_char((0x563acd73bee0), c)
^  Call: (229) [user] is_delimiter(c)
   Call: (230) [system] char_type(c, space)
   Fail: (230) [system] char_type(c, space)
   Call: (230) [system] arg(_422880, v('(', ')', end_of_file), c)
   Fail: (230) [system] arg(_423812, v('(', ')', end_of_file), c)
^  Fail: (229) [user] is_delimiter(c)
   Call: (229) [system] ')'==c
   Fail: (229) [system] ')'==c
   Call: (229) [system] get_char((0x563acd73bee0), c)
   Exit: (229) [system] get_char((0x563acd73bee0), c)
   Call: (229) [system] c=(\)
   Fail: (229) [system] c=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _431162)
   Call: (230) [system] peek_char((0x563acd73bee0), _432096)
   Exit: (230) [system] peek_char((0x563acd73bee0), t)
^  Call: (230) [user] is_delimiter(t)
   Call: (231) [system] char_type(t, space)
   Fail: (231) [system] char_type(t, space)
   Call: (231) [system] arg(_436816, v('(', ')', end_of_file), t)
   Fail: (231) [system] arg(_437748, v('(', ')', end_of_file), t)
^  Fail: (230) [user] is_delimiter(t)
   Call: (230) [system] ')'==t
   Fail: (230) [system] ')'==t
   Call: (230) [system] get_char((0x563acd73bee0), t)
   Exit: (230) [system] get_char((0x563acd73bee0), t)
   Call: (230) [system] t=(\)
   Fail: (230) [system] t=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _445098)
   Call: (231) [system] peek_char((0x563acd73bee0), _446032)
   Exit: (231) [system] peek_char((0x563acd73bee0), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Fail: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_450752, v('(', ')', end_of_file), i)
   Fail: (232) [system] arg(_451684, v('(', ')', end_of_file), i)
^  Fail: (231) [user] is_delimiter(i)
   Call: (231) [system] ')'==i
   Fail: (231) [system] ')'==i
   Call: (231) [system] get_char((0x563acd73bee0), i)
   Exit: (231) [system] get_char((0x563acd73bee0), i)
   Call: (231) [system] i=(\)
   Fail: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _459034)
   Call: (232) [system] peek_char((0x563acd73bee0), _459968)
   Exit: (232) [system] peek_char((0x563acd73bee0), o)
^  Call: (232) [user] is_delimiter(o)
   Call: (233) [system] char_type(o, space)
   Fail: (233) [system] char_type(o, space)
   Call: (233) [system] arg(_464688, v('(', ')', end_of_file), o)
   Fail: (233) [system] arg(_465620, v('(', ')', end_of_file), o)
^  Fail: (232) [user] is_delimiter(o)
   Call: (232) [system] ')'==o
   Fail: (232) [system] ')'==o
   Call: (232) [system] get_char((0x563acd73bee0), o)
   Exit: (232) [system] get_char((0x563acd73bee0), o)
   Call: (232) [system] o=(\)
   Fail: (232) [system] o=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _472970)
   Call: (233) [system] peek_char((0x563acd73bee0), _473904)
   Exit: (233) [system] peek_char((0x563acd73bee0), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_478624, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_479556, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x563acd73bee0), n)
   Exit: (233) [system] get_char((0x563acd73bee0), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), _486906)
   Call: (234) [system] peek_char((0x563acd73bee0), _487840)
   Exit: (234) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _486906=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (233) [system] _472970=[n]
   Exit: (233) [system] [n]=[n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (232) [system] _459034=[o, n]
   Exit: (232) [system] [o, n]=[o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (231) [system] _445098=[i, o, n]
   Exit: (231) [system] [i, o, n]=[i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (230) [system] _431162=[t, i, o, n]
   Exit: (230) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (229) [system] _417226=[c, t, i, o, n]
   Exit: (229) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n])
   Call: (228) [system] _403290=[u, c, t, i, o, n]
   Exit: (228) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, i, o, n])
   Call: (227) [system] _389354=[d, u, c, t, i, o, n]
   Exit: (227) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, u, c, t, i, o, n])
   Call: (226) [system] _375418=[o, d, u, c, t, i, o, n]
   Exit: (226) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, d, u, c, t, i, o, n])
   Call: (225) [system] _361482=[r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _347546=[t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _333610=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _319674=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _305738=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _291802=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _277866=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _263930=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _249994=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _236058=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _222122=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _208186=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _194250=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _180314=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (211) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _144804)
^  Call: (212) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _558592)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_559544, _559546), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _558592), _559526, fail)), '$restore_trace'(_559544, _559546))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_559544, _559546))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _558592), _559526, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_558592)
   Fail: (213) [system] atomic(_558592)
   Call: (213) [system] atom_chars(_558592, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (213) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (212) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (212) [system] integer('DisjunctionIntroduction')
   Fail: (212) [system] integer('DisjunctionIntroduction')
   Call: (212) [system] _144804='DisjunctionIntroduction'
   Exit: (212) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (211) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (210) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'DisjunctionIntroduction')
^  Exit: (209) [user] cont_sexpr(')', (0x563acd73bee0), 'DisjunctionIntroduction')
^  Call: (209) [user] read_list(')', (0x563acd73bee0), _573542)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _575400)
   Exit: (211) [system] peek_char((0x563acd73bee0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x563acd73bee0), _584994)
   Exit: (211) [system] get_char((0x563acd73bee0), ' ')
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _587698)
   Exit: (212) [system] peek_char((0x563acd73bee0), a)
   Call: (212) [system] a=(;)
   Fail: (212) [system] a=(;)
   Call: (212) [system] a=(/)
   Fail: (212) [system] a=(/)
^  Call: (212) [user] is_like_space(a)
   Call: (213) [system] char_type(a, 'white')
   Fail: (213) [system] char_type(a, 'white')
   Call: (213) [system] char_type(a, end_of_line)
   Fail: (213) [system] char_type(a, end_of_line)
   Call: (213) [system] char_type(a, space)
   Fail: (213) [system] char_type(a, space)
   Call: (213) [system] char_type(a, cntrl)
   Fail: (213) [system] char_type(a, cntrl)
^  Fail: (212) [user] is_like_space(a)
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _604632)
   Exit: (210) [system] peek_char((0x563acd73bee0), a)
   Call: (210) [system] a=')'
   Fail: (210) [system] a=')'
   Call: (210) [system] a=end_of_file
   Fail: (210) [system] a=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x563acd73bee0), _610202)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _612060)
   Exit: (212) [system] peek_char((0x563acd73bee0), a)
   Call: (212) [system] a=(;)
   Fail: (212) [system] a=(;)
   Call: (212) [system] a=(/)
   Fail: (212) [system] a=(/)
^  Call: (212) [user] is_like_space(a)
   Call: (213) [system] char_type(a, 'white')
   Fail: (213) [system] char_type(a, 'white')
   Call: (213) [system] char_type(a, end_of_line)
   Fail: (213) [system] char_type(a, end_of_line)
   Call: (213) [system] char_type(a, space)
   Fail: (213) [system] char_type(a, space)
   Call: (213) [system] char_type(a, cntrl)
   Fail: (213) [system] char_type(a, cntrl)
^  Fail: (212) [user] is_like_space(a)
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] get_char((0x563acd73bee0), _628070)
   Exit: (211) [system] get_char((0x563acd73bee0), a)
   Call: (211) [system] a='('
   Fail: (211) [system] a='('
   Call: (211) [system] a='['
   Fail: (211) [system] a='['
   Call: (211) [system] a='{'
   Fail: (211) [system] a='{'
   Call: (211) [system] a='"'
   Fail: (211) [system] a='"'
   Call: (211) [system] a=!
   Fail: (211) [system] a=!
   Call: (211) [system] a='\''
   Fail: (211) [system] a='\''
   Call: (211) [system] a='`'
   Fail: (211) [system] a='`'
   Call: (211) [system] a=end_of_file
   Fail: (211) [system] a=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x563acd73bee0), a, _610202)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _645712)
   Call: (213) [system] peek_char((0x563acd73bee0), _646646)
   Exit: (213) [system] peek_char((0x563acd73bee0), b)
^  Call: (213) [user] is_delimiter(b)
   Call: (214) [system] char_type(b, space)
   Fail: (214) [system] char_type(b, space)
   Call: (214) [system] arg(_651366, v('(', ')', end_of_file), b)
   Fail: (214) [system] arg(_652298, v('(', ')', end_of_file), b)
^  Fail: (213) [user] is_delimiter(b)
   Call: (213) [system] ')'==b
   Fail: (213) [system] ')'==b
   Call: (213) [system] get_char((0x563acd73bee0), b)
   Exit: (213) [system] get_char((0x563acd73bee0), b)
   Call: (213) [system] b=(\)
   Fail: (213) [system] b=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _659648)
   Call: (214) [system] peek_char((0x563acd73bee0), _660582)
   Exit: (214) [system] peek_char((0x563acd73bee0), c)
^  Call: (214) [user] is_delimiter(c)
   Call: (215) [system] char_type(c, space)
   Fail: (215) [system] char_type(c, space)
   Call: (215) [system] arg(_665302, v('(', ')', end_of_file), c)
   Fail: (215) [system] arg(_666234, v('(', ')', end_of_file), c)
^  Fail: (214) [user] is_delimiter(c)
   Call: (214) [system] ')'==c
   Fail: (214) [system] ')'==c
   Call: (214) [system] get_char((0x563acd73bee0), c)
   Exit: (214) [system] get_char((0x563acd73bee0), c)
   Call: (214) [system] c=(\)
   Fail: (214) [system] c=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _673584)
   Call: (215) [system] peek_char((0x563acd73bee0), _674518)
   Exit: (215) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _673584=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (214) [system] _659648=[c]
   Exit: (214) [system] [c]=[c]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [c])
   Call: (213) [system] _645712=[b, c]
   Exit: (213) [system] [b, c]=[b, c]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [b, c])
^  Call: (212) [user] classify_and_convert_charseq([a, b, c], _610202)
^  Call: (213) [user] classify_and_convert_charseq_([a, b, c], _689390)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_690342, _690344), once(user:catch(read_from_chars([a, b, c], _689390), _690324, fail)), '$restore_trace'(_690342, _690344))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_690342, _690344))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _690324, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(abc)
   Exit: (214) [system] atomic(abc)
^  Exit: (213) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (213) [system] integer(abc)
   Fail: (213) [system] integer(abc)
   Call: (213) [system] _610202=abc
   Exit: (213) [system] abc=abc
^  Exit: (212) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (211) [user] read_symbolic(')', (0x563acd73bee0), a, abc)
^  Exit: (210) [user] cont_sexpr(')', (0x563acd73bee0), abc)
^  Call: (210) [user] read_list(')', (0x563acd73bee0), _702470)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _704328)
   Exit: (212) [system] peek_char((0x563acd73bee0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x563acd73bee0), _713922)
   Exit: (212) [system] get_char((0x563acd73bee0), ' ')
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _716626)
   Exit: (213) [system] peek_char((0x563acd73bee0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _733560)
   Exit: (211) [system] peek_char((0x563acd73bee0), '(')
   Call: (211) [system] '('=')'
   Fail: (211) [system] '('=')'
   Call: (211) [system] '('=end_of_file
   Fail: (211) [system] '('=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x563acd73bee0), _739130)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _740988)
   Exit: (213) [system] peek_char((0x563acd73bee0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] get_char((0x563acd73bee0), _756998)
   Exit: (212) [system] get_char((0x563acd73bee0), '(')
   Call: (212) [system] '('='('
   Exit: (212) [system] '('='('
^  Call: (212) [user] read_list(')', (0x563acd73bee0), _739130)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _762568)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'D')
   Call: (214) [system] 'D'=(;)
   Fail: (214) [system] 'D'=(;)
   Call: (214) [system] 'D'=(/)
   Fail: (214) [system] 'D'=(/)
^  Call: (214) [user] is_like_space('D')
   Call: (215) [system] char_type('D', 'white')
   Fail: (215) [system] char_type('D', 'white')
   Call: (215) [system] char_type('D', end_of_line)
   Fail: (215) [system] char_type('D', end_of_line)
   Call: (215) [system] char_type('D', space)
   Fail: (215) [system] char_type('D', space)
   Call: (215) [system] char_type('D', cntrl)
   Fail: (215) [system] char_type('D', cntrl)
^  Fail: (214) [user] is_like_space('D')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _778578)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'D')
   Call: (213) [system] 'D'=')'
   Fail: (213) [system] 'D'=')'
   Call: (213) [system] 'D'=end_of_file
   Fail: (213) [system] 'D'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x563acd73bee0), _784148)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _786006)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'D')
   Call: (215) [system] 'D'=(;)
   Fail: (215) [system] 'D'=(;)
   Call: (215) [system] 'D'=(/)
   Fail: (215) [system] 'D'=(/)
^  Call: (215) [user] is_like_space('D')
   Call: (216) [system] char_type('D', 'white')
   Fail: (216) [system] char_type('D', 'white')
   Call: (216) [system] char_type('D', end_of_line)
   Fail: (216) [system] char_type('D', end_of_line)
   Call: (216) [system] char_type('D', space)
   Fail: (216) [system] char_type('D', space)
   Call: (216) [system] char_type('D', cntrl)
   Fail: (216) [system] char_type('D', cntrl)
^  Fail: (215) [user] is_like_space('D')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] get_char((0x563acd73bee0), _802016)
   Exit: (214) [system] get_char((0x563acd73bee0), 'D')
   Call: (214) [system] 'D'='('
   Fail: (214) [system] 'D'='('
   Call: (214) [system] 'D'='['
   Fail: (214) [system] 'D'='['
   Call: (214) [system] 'D'='{'
   Fail: (214) [system] 'D'='{'
   Call: (214) [system] 'D'='"'
   Fail: (214) [system] 'D'='"'
   Call: (214) [system] 'D'=!
   Fail: (214) [system] 'D'=!
   Call: (214) [system] 'D'='\''
   Fail: (214) [system] 'D'='\''
   Call: (214) [system] 'D'='`'
   Fail: (214) [system] 'D'='`'
   Call: (214) [system] 'D'=end_of_file
   Fail: (214) [system] 'D'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x563acd73bee0), 'D', _784148)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _819658)
   Call: (216) [system] peek_char((0x563acd73bee0), _820592)
   Exit: (216) [system] peek_char((0x563acd73bee0), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Fail: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_825312, v('(', ')', end_of_file), i)
   Fail: (217) [system] arg(_826244, v('(', ')', end_of_file), i)
^  Fail: (216) [user] is_delimiter(i)
   Call: (216) [system] ')'==i
   Fail: (216) [system] ')'==i
   Call: (216) [system] get_char((0x563acd73bee0), i)
   Exit: (216) [system] get_char((0x563acd73bee0), i)
   Call: (216) [system] i=(\)
   Fail: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _833594)
   Call: (217) [system] peek_char((0x563acd73bee0), _834528)
   Exit: (217) [system] peek_char((0x563acd73bee0), s)
^  Call: (217) [user] is_delimiter(s)
   Call: (218) [system] char_type(s, space)
   Fail: (218) [system] char_type(s, space)
   Call: (218) [system] arg(_839248, v('(', ')', end_of_file), s)
   Fail: (218) [system] arg(_840180, v('(', ')', end_of_file), s)
^  Fail: (217) [user] is_delimiter(s)
   Call: (217) [system] ')'==s
   Fail: (217) [system] ')'==s
   Call: (217) [system] get_char((0x563acd73bee0), s)
   Exit: (217) [system] get_char((0x563acd73bee0), s)
   Call: (217) [system] s=(\)
   Fail: (217) [system] s=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _847530)
   Call: (218) [system] peek_char((0x563acd73bee0), _848464)
   Exit: (218) [system] peek_char((0x563acd73bee0), j)
^  Call: (218) [user] is_delimiter(j)
   Call: (219) [system] char_type(j, space)
   Fail: (219) [system] char_type(j, space)
   Call: (219) [system] arg(_853184, v('(', ')', end_of_file), j)
   Fail: (219) [system] arg(_854116, v('(', ')', end_of_file), j)
^  Fail: (218) [user] is_delimiter(j)
   Call: (218) [system] ')'==j
   Fail: (218) [system] ')'==j
   Call: (218) [system] get_char((0x563acd73bee0), j)
   Exit: (218) [system] get_char((0x563acd73bee0), j)
   Call: (218) [system] j=(\)
   Fail: (218) [system] j=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _861466)
   Call: (219) [system] peek_char((0x563acd73bee0), _862400)
   Exit: (219) [system] peek_char((0x563acd73bee0), u)
^  Call: (219) [user] is_delimiter(u)
   Call: (220) [system] char_type(u, space)
   Fail: (220) [system] char_type(u, space)
   Call: (220) [system] arg(_867120, v('(', ')', end_of_file), u)
   Fail: (220) [system] arg(_868052, v('(', ')', end_of_file), u)
^  Fail: (219) [user] is_delimiter(u)
   Call: (219) [system] ')'==u
   Fail: (219) [system] ')'==u
   Call: (219) [system] get_char((0x563acd73bee0), u)
   Exit: (219) [system] get_char((0x563acd73bee0), u)
   Call: (219) [system] u=(\)
   Fail: (219) [system] u=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _875402)
   Call: (220) [system] peek_char((0x563acd73bee0), _876336)
   Exit: (220) [system] peek_char((0x563acd73bee0), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_881056, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_881988, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x563acd73bee0), n)
   Exit: (220) [system] get_char((0x563acd73bee0), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _889338)
   Call: (221) [system] peek_char((0x563acd73bee0), _890272)
   Exit: (221) [system] peek_char((0x563acd73bee0), c)
^  Call: (221) [user] is_delimiter(c)
   Call: (222) [system] char_type(c, space)
   Fail: (222) [system] char_type(c, space)
   Call: (222) [system] arg(_894992, v('(', ')', end_of_file), c)
   Fail: (222) [system] arg(_895924, v('(', ')', end_of_file), c)
^  Fail: (221) [user] is_delimiter(c)
   Call: (221) [system] ')'==c
   Fail: (221) [system] ')'==c
   Call: (221) [system] get_char((0x563acd73bee0), c)
   Exit: (221) [system] get_char((0x563acd73bee0), c)
   Call: (221) [system] c=(\)
   Fail: (221) [system] c=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _903274)
   Call: (222) [system] peek_char((0x563acd73bee0), _904208)
   Exit: (222) [system] peek_char((0x563acd73bee0), t)
^  Call: (222) [user] is_delimiter(t)
   Call: (223) [system] char_type(t, space)
   Fail: (223) [system] char_type(t, space)
   Call: (223) [system] arg(_908928, v('(', ')', end_of_file), t)
   Fail: (223) [system] arg(_909860, v('(', ')', end_of_file), t)
^  Fail: (222) [user] is_delimiter(t)
   Call: (222) [system] ')'==t
   Fail: (222) [system] ')'==t
   Call: (222) [system] get_char((0x563acd73bee0), t)
   Exit: (222) [system] get_char((0x563acd73bee0), t)
   Call: (222) [system] t=(\)
   Fail: (222) [system] t=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _917210)
   Call: (223) [system] peek_char((0x563acd73bee0), _918144)
   Exit: (223) [system] peek_char((0x563acd73bee0), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Fail: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_922864, v('(', ')', end_of_file), i)
   Fail: (224) [system] arg(_923796, v('(', ')', end_of_file), i)
^  Fail: (223) [user] is_delimiter(i)
   Call: (223) [system] ')'==i
   Fail: (223) [system] ')'==i
   Call: (223) [system] get_char((0x563acd73bee0), i)
   Exit: (223) [system] get_char((0x563acd73bee0), i)
   Call: (223) [system] i=(\)
   Fail: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _931146)
   Call: (224) [system] peek_char((0x563acd73bee0), _932080)
   Exit: (224) [system] peek_char((0x563acd73bee0), o)
^  Call: (224) [user] is_delimiter(o)
   Call: (225) [system] char_type(o, space)
   Fail: (225) [system] char_type(o, space)
   Call: (225) [system] arg(_936800, v('(', ')', end_of_file), o)
   Fail: (225) [system] arg(_937732, v('(', ')', end_of_file), o)
^  Fail: (224) [user] is_delimiter(o)
   Call: (224) [system] ')'==o
   Fail: (224) [system] ')'==o
   Call: (224) [system] get_char((0x563acd73bee0), o)
   Exit: (224) [system] get_char((0x563acd73bee0), o)
   Call: (224) [system] o=(\)
   Fail: (224) [system] o=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _945082)
   Call: (225) [system] peek_char((0x563acd73bee0), _946016)
   Exit: (225) [system] peek_char((0x563acd73bee0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_950736, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_951668, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x563acd73bee0), n)
   Exit: (225) [system] get_char((0x563acd73bee0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _959018)
   Call: (226) [system] peek_char((0x563acd73bee0), _959952)
   Exit: (226) [system] peek_char((0x563acd73bee0), 'I')
^  Call: (226) [user] is_delimiter('I')
   Call: (227) [system] char_type('I', space)
   Fail: (227) [system] char_type('I', space)
   Call: (227) [system] arg(_964672, v('(', ')', end_of_file), 'I')
   Fail: (227) [system] arg(_965604, v('(', ')', end_of_file), 'I')
^  Fail: (226) [user] is_delimiter('I')
   Call: (226) [system] ')'=='I'
   Fail: (226) [system] ')'=='I'
   Call: (226) [system] get_char((0x563acd73bee0), 'I')
   Exit: (226) [system] get_char((0x563acd73bee0), 'I')
   Call: (226) [system] 'I'=(\)
   Fail: (226) [system] 'I'=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _972954)
   Call: (227) [system] peek_char((0x563acd73bee0), _973888)
   Exit: (227) [system] peek_char((0x563acd73bee0), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_978608, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_979540, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x563acd73bee0), n)
   Exit: (227) [system] get_char((0x563acd73bee0), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _986890)
   Call: (228) [system] peek_char((0x563acd73bee0), _987824)
   Exit: (228) [system] peek_char((0x563acd73bee0), t)
^  Call: (228) [user] is_delimiter(t)
   Call: (229) [system] char_type(t, space)
   Fail: (229) [system] char_type(t, space)
   Call: (229) [system] arg(_992544, v('(', ')', end_of_file), t)
   Fail: (229) [system] arg(_993476, v('(', ')', end_of_file), t)
^  Fail: (228) [user] is_delimiter(t)
   Call: (228) [system] ')'==t
   Fail: (228) [system] ')'==t
   Call: (228) [system] get_char((0x563acd73bee0), t)
   Exit: (228) [system] get_char((0x563acd73bee0), t)
   Call: (228) [system] t=(\)
   Fail: (228) [system] t=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _1000826)
   Call: (229) [system] peek_char((0x563acd73bee0), _1001760)
   Exit: (229) [system] peek_char((0x563acd73bee0), r)
^  Call: (229) [user] is_delimiter(r)
   Call: (230) [system] char_type(r, space)
   Fail: (230) [system] char_type(r, space)
   Call: (230) [system] arg(_1006480, v('(', ')', end_of_file), r)
   Fail: (230) [system] arg(_1007412, v('(', ')', end_of_file), r)
^  Fail: (229) [user] is_delimiter(r)
   Call: (229) [system] ')'==r
   Fail: (229) [system] ')'==r
   Call: (229) [system] get_char((0x563acd73bee0), r)
   Exit: (229) [system] get_char((0x563acd73bee0), r)
   Call: (229) [system] r=(\)
   Fail: (229) [system] r=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _1014762)
   Call: (230) [system] peek_char((0x563acd73bee0), _1015696)
   Exit: (230) [system] peek_char((0x563acd73bee0), o)
^  Call: (230) [user] is_delimiter(o)
   Call: (231) [system] char_type(o, space)
   Fail: (231) [system] char_type(o, space)
   Call: (231) [system] arg(_1020416, v('(', ')', end_of_file), o)
   Fail: (231) [system] arg(_1021348, v('(', ')', end_of_file), o)
^  Fail: (230) [user] is_delimiter(o)
   Call: (230) [system] ')'==o
   Fail: (230) [system] ')'==o
   Call: (230) [system] get_char((0x563acd73bee0), o)
   Exit: (230) [system] get_char((0x563acd73bee0), o)
   Call: (230) [system] o=(\)
   Fail: (230) [system] o=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _1028698)
   Call: (231) [system] peek_char((0x563acd73bee0), _1029632)
   Exit: (231) [system] peek_char((0x563acd73bee0), d)
^  Call: (231) [user] is_delimiter(d)
   Call: (232) [system] char_type(d, space)
   Fail: (232) [system] char_type(d, space)
   Call: (232) [system] arg(_1034352, v('(', ')', end_of_file), d)
   Fail: (232) [system] arg(_1035284, v('(', ')', end_of_file), d)
^  Fail: (231) [user] is_delimiter(d)
   Call: (231) [system] ')'==d
   Fail: (231) [system] ')'==d
   Call: (231) [system] get_char((0x563acd73bee0), d)
   Exit: (231) [system] get_char((0x563acd73bee0), d)
   Call: (231) [system] d=(\)
   Fail: (231) [system] d=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _1042634)
   Call: (232) [system] peek_char((0x563acd73bee0), _1043568)
   Exit: (232) [system] peek_char((0x563acd73bee0), u)
^  Call: (232) [user] is_delimiter(u)
   Call: (233) [system] char_type(u, space)
   Fail: (233) [system] char_type(u, space)
   Call: (233) [system] arg(_1048288, v('(', ')', end_of_file), u)
   Fail: (233) [system] arg(_1049220, v('(', ')', end_of_file), u)
^  Fail: (232) [user] is_delimiter(u)
   Call: (232) [system] ')'==u
   Fail: (232) [system] ')'==u
   Call: (232) [system] get_char((0x563acd73bee0), u)
   Exit: (232) [system] get_char((0x563acd73bee0), u)
   Call: (232) [system] u=(\)
   Fail: (232) [system] u=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _1056570)
   Call: (233) [system] peek_char((0x563acd73bee0), _1057504)
   Exit: (233) [system] peek_char((0x563acd73bee0), c)
^  Call: (233) [user] is_delimiter(c)
   Call: (234) [system] char_type(c, space)
   Fail: (234) [system] char_type(c, space)
   Call: (234) [system] arg(_1062224, v('(', ')', end_of_file), c)
   Fail: (234) [system] arg(_1063156, v('(', ')', end_of_file), c)
^  Fail: (233) [user] is_delimiter(c)
   Call: (233) [system] ')'==c
   Fail: (233) [system] ')'==c
   Call: (233) [system] get_char((0x563acd73bee0), c)
   Exit: (233) [system] get_char((0x563acd73bee0), c)
   Call: (233) [system] c=(\)
   Fail: (233) [system] c=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), _1070506)
   Call: (234) [system] peek_char((0x563acd73bee0), _1071440)
   Exit: (234) [system] peek_char((0x563acd73bee0), t)
^  Call: (234) [user] is_delimiter(t)
   Call: (235) [system] char_type(t, space)
   Fail: (235) [system] char_type(t, space)
   Call: (235) [system] arg(_1076160, v('(', ')', end_of_file), t)
   Fail: (235) [system] arg(_1077092, v('(', ')', end_of_file), t)
^  Fail: (234) [user] is_delimiter(t)
   Call: (234) [system] ')'==t
   Fail: (234) [system] ')'==t
   Call: (234) [system] get_char((0x563acd73bee0), t)
   Exit: (234) [system] get_char((0x563acd73bee0), t)
   Call: (234) [system] t=(\)
   Fail: (234) [system] t=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), _1084442)
   Call: (235) [system] peek_char((0x563acd73bee0), _1085376)
   Exit: (235) [system] peek_char((0x563acd73bee0), i)
^  Call: (235) [user] is_delimiter(i)
   Call: (236) [system] char_type(i, space)
   Fail: (236) [system] char_type(i, space)
   Call: (236) [system] arg(_1090096, v('(', ')', end_of_file), i)
   Fail: (236) [system] arg(_1091028, v('(', ')', end_of_file), i)
^  Fail: (235) [user] is_delimiter(i)
   Call: (235) [system] ')'==i
   Fail: (235) [system] ')'==i
   Call: (235) [system] get_char((0x563acd73bee0), i)
   Exit: (235) [system] get_char((0x563acd73bee0), i)
   Call: (235) [system] i=(\)
   Fail: (235) [system] i=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), _1098378)
   Call: (236) [system] peek_char((0x563acd73bee0), _1099312)
   Exit: (236) [system] peek_char((0x563acd73bee0), o)
^  Call: (236) [user] is_delimiter(o)
   Call: (237) [system] char_type(o, space)
   Fail: (237) [system] char_type(o, space)
   Call: (237) [system] arg(_1104032, v('(', ')', end_of_file), o)
   Fail: (237) [system] arg(_1104964, v('(', ')', end_of_file), o)
^  Fail: (236) [user] is_delimiter(o)
   Call: (236) [system] ')'==o
   Fail: (236) [system] ')'==o
   Call: (236) [system] get_char((0x563acd73bee0), o)
   Exit: (236) [system] get_char((0x563acd73bee0), o)
   Call: (236) [system] o=(\)
   Fail: (236) [system] o=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), _1112314)
   Call: (237) [system] peek_char((0x563acd73bee0), _1113248)
   Exit: (237) [system] peek_char((0x563acd73bee0), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Fail: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_1117968, v('(', ')', end_of_file), n)
   Fail: (238) [system] arg(_1118900, v('(', ')', end_of_file), n)
^  Fail: (237) [user] is_delimiter(n)
   Call: (237) [system] ')'==n
   Fail: (237) [system] ')'==n
   Call: (237) [system] get_char((0x563acd73bee0), n)
   Exit: (237) [system] get_char((0x563acd73bee0), n)
   Call: (237) [system] n=(\)
   Fail: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), _1126250)
   Call: (238) [system] peek_char((0x563acd73bee0), _1127184)
   Exit: (238) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (238) [user] is_delimiter(' ')
   Call: (239) [system] char_type(' ', space)
   Exit: (239) [system] char_type(' ', space)
^  Exit: (238) [user] is_delimiter(' ')
   Call: (238) [system] _1126250=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (237) [system] _1112314=[n]
   Exit: (237) [system] [n]=[n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (236) [system] _1098378=[o, n]
   Exit: (236) [system] [o, n]=[o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (235) [system] _1084442=[i, o, n]
   Exit: (235) [system] [i, o, n]=[i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (234) [system] _1070506=[t, i, o, n]
   Exit: (234) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (233) [system] _1056570=[c, t, i, o, n]
   Exit: (233) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n])
   Call: (232) [system] _1042634=[u, c, t, i, o, n]
   Exit: (232) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, i, o, n])
   Call: (231) [system] _1028698=[d, u, c, t, i, o, n]
   Exit: (231) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, u, c, t, i, o, n])
   Call: (230) [system] _1014762=[o, d, u, c, t, i, o, n]
   Exit: (230) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, d, u, c, t, i, o, n])
   Call: (229) [system] _1000826=[r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _986890=[t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _972954=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _959018=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _945082=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _931146=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _917210=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _903274=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _889338=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _875402=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _861466=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _847530=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _833594=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _819658=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (215) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _784148)
^  Call: (216) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1197936)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1198888, _1198890), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1197936), _1198870, fail)), '$restore_trace'(_1198888, _1198890))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1198888, _1198890))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1197936), _1198870, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_1197936)
   Fail: (217) [system] atomic(_1197936)
   Call: (217) [system] atom_chars(_1197936, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (217) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (216) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (216) [system] integer('DisjunctionIntroduction')
   Fail: (216) [system] integer('DisjunctionIntroduction')
   Call: (216) [system] _784148='DisjunctionIntroduction'
   Exit: (216) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (215) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (214) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'DisjunctionIntroduction')
^  Exit: (213) [user] cont_sexpr(')', (0x563acd73bee0), 'DisjunctionIntroduction')
^  Call: (213) [user] read_list(')', (0x563acd73bee0), _1212886)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1214744)
   Exit: (215) [system] peek_char((0x563acd73bee0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x563acd73bee0), _1224338)
   Exit: (215) [system] get_char((0x563acd73bee0), ' ')
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1227042)
   Exit: (216) [system] peek_char((0x563acd73bee0), a)
   Call: (216) [system] a=(;)
   Fail: (216) [system] a=(;)
   Call: (216) [system] a=(/)
   Fail: (216) [system] a=(/)
^  Call: (216) [user] is_like_space(a)
   Call: (217) [system] char_type(a, 'white')
   Fail: (217) [system] char_type(a, 'white')
   Call: (217) [system] char_type(a, end_of_line)
   Fail: (217) [system] char_type(a, end_of_line)
   Call: (217) [system] char_type(a, space)
   Fail: (217) [system] char_type(a, space)
   Call: (217) [system] char_type(a, cntrl)
   Fail: (217) [system] char_type(a, cntrl)
^  Fail: (216) [user] is_like_space(a)
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1243976)
   Exit: (214) [system] peek_char((0x563acd73bee0), a)
   Call: (214) [system] a=')'
   Fail: (214) [system] a=')'
   Call: (214) [system] a=end_of_file
   Fail: (214) [system] a=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x563acd73bee0), _1249546)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1251404)
   Exit: (216) [system] peek_char((0x563acd73bee0), a)
   Call: (216) [system] a=(;)
   Fail: (216) [system] a=(;)
   Call: (216) [system] a=(/)
   Fail: (216) [system] a=(/)
^  Call: (216) [user] is_like_space(a)
   Call: (217) [system] char_type(a, 'white')
   Fail: (217) [system] char_type(a, 'white')
   Call: (217) [system] char_type(a, end_of_line)
   Fail: (217) [system] char_type(a, end_of_line)
   Call: (217) [system] char_type(a, space)
   Fail: (217) [system] char_type(a, space)
   Call: (217) [system] char_type(a, cntrl)
   Fail: (217) [system] char_type(a, cntrl)
^  Fail: (216) [user] is_like_space(a)
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] get_char((0x563acd73bee0), _1267414)
   Exit: (215) [system] get_char((0x563acd73bee0), a)
   Call: (215) [system] a='('
   Fail: (215) [system] a='('
   Call: (215) [system] a='['
   Fail: (215) [system] a='['
   Call: (215) [system] a='{'
   Fail: (215) [system] a='{'
   Call: (215) [system] a='"'
   Fail: (215) [system] a='"'
   Call: (215) [system] a=!
   Fail: (215) [system] a=!
   Call: (215) [system] a='\''
   Fail: (215) [system] a='\''
   Call: (215) [system] a='`'
   Fail: (215) [system] a='`'
   Call: (215) [system] a=end_of_file
   Fail: (215) [system] a=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x563acd73bee0), a, _1249546)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _1285056)
   Call: (217) [system] peek_char((0x563acd73bee0), _1285990)
   Exit: (217) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _1285056=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (216) [user] classify_and_convert_charseq([a], _1249546)
^  Call: (217) [user] classify_and_convert_charseq_([a], _1295274)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1296226, _1296228), once(user:catch(read_from_chars([a], _1295274), _1296208, fail)), '$restore_trace'(_1296226, _1296228))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1296226, _1296228))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1296208, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(a)
   Exit: (218) [system] atomic(a)
^  Exit: (217) [user] classify_and_convert_charseq_([a], a)
   Call: (217) [system] integer(a)
   Fail: (217) [system] integer(a)
   Call: (217) [system] _1249546=a
   Exit: (217) [system] a=a
^  Exit: (216) [user] classify_and_convert_charseq([a], a)
^  Exit: (215) [user] read_symbolic(')', (0x563acd73bee0), a, a)
^  Exit: (214) [user] cont_sexpr(')', (0x563acd73bee0), a)
^  Call: (214) [user] read_list(')', (0x563acd73bee0), _1308354)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1310212)
   Exit: (216) [system] peek_char((0x563acd73bee0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x563acd73bee0), _1319806)
   Exit: (216) [system] get_char((0x563acd73bee0), ' ')
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1322510)
   Exit: (217) [system] peek_char((0x563acd73bee0), a)
   Call: (217) [system] a=(;)
   Fail: (217) [system] a=(;)
   Call: (217) [system] a=(/)
   Fail: (217) [system] a=(/)
^  Call: (217) [user] is_like_space(a)
   Call: (218) [system] char_type(a, 'white')
   Fail: (218) [system] char_type(a, 'white')
   Call: (218) [system] char_type(a, end_of_line)
   Fail: (218) [system] char_type(a, end_of_line)
   Call: (218) [system] char_type(a, space)
   Fail: (218) [system] char_type(a, space)
   Call: (218) [system] char_type(a, cntrl)
   Fail: (218) [system] char_type(a, cntrl)
^  Fail: (217) [user] is_like_space(a)
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1339444)
   Exit: (215) [system] peek_char((0x563acd73bee0), a)
   Call: (215) [system] a=')'
   Fail: (215) [system] a=')'
   Call: (215) [system] a=end_of_file
   Fail: (215) [system] a=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x563acd73bee0), _1345014)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1346872)
   Exit: (217) [system] peek_char((0x563acd73bee0), a)
   Call: (217) [system] a=(;)
   Fail: (217) [system] a=(;)
   Call: (217) [system] a=(/)
   Fail: (217) [system] a=(/)
^  Call: (217) [user] is_like_space(a)
   Call: (218) [system] char_type(a, 'white')
   Fail: (218) [system] char_type(a, 'white')
   Call: (218) [system] char_type(a, end_of_line)
   Fail: (218) [system] char_type(a, end_of_line)
   Call: (218) [system] char_type(a, space)
   Fail: (218) [system] char_type(a, space)
   Call: (218) [system] char_type(a, cntrl)
   Fail: (218) [system] char_type(a, cntrl)
^  Fail: (217) [user] is_like_space(a)
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] get_char((0x563acd73bee0), _1362882)
   Exit: (216) [system] get_char((0x563acd73bee0), a)
   Call: (216) [system] a='('
   Fail: (216) [system] a='('
   Call: (216) [system] a='['
   Fail: (216) [system] a='['
   Call: (216) [system] a='{'
   Fail: (216) [system] a='{'
   Call: (216) [system] a='"'
   Fail: (216) [system] a='"'
   Call: (216) [system] a=!
   Fail: (216) [system] a=!
   Call: (216) [system] a='\''
   Fail: (216) [system] a='\''
   Call: (216) [system] a='`'
   Fail: (216) [system] a='`'
   Call: (216) [system] a=end_of_file
   Fail: (216) [system] a=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x563acd73bee0), a, _1345014)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _1380524)
   Call: (218) [system] peek_char((0x563acd73bee0), _1381458)
   Exit: (218) [system] peek_char((0x563acd73bee0), ')')
^  Call: (218) [user] is_delimiter(')')
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] arg(_1386178, v('(', ')', end_of_file), ')')
   Exit: (219) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (218) [user] is_delimiter(')')
   Call: (218) [system] _1380524=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (217) [user] classify_and_convert_charseq([a], _1345014)
^  Call: (218) [user] classify_and_convert_charseq_([a], _1392614)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_1393566, _1393568), once(user:catch(read_from_chars([a], _1392614), _1393548, fail)), '$restore_trace'(_1393566, _1393568))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_1393566, _1393568))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1393548, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(a)
   Exit: (219) [system] atomic(a)
^  Exit: (218) [user] classify_and_convert_charseq_([a], a)
   Call: (218) [system] integer(a)
   Fail: (218) [system] integer(a)
   Call: (218) [system] _1345014=a
   Exit: (218) [system] a=a
^  Exit: (217) [user] classify_and_convert_charseq([a], a)
^  Exit: (216) [user] read_symbolic(')', (0x563acd73bee0), a, a)
^  Exit: (215) [user] cont_sexpr(')', (0x563acd73bee0), a)
^  Call: (215) [user] read_list(')', (0x563acd73bee0), _1405694)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1407552)
   Exit: (217) [system] peek_char((0x563acd73bee0), ')')
   Call: (217) [system] ')'=(;)
   Fail: (217) [system] ')'=(;)
   Call: (217) [system] ')'=(/)
   Fail: (217) [system] ')'=(/)
^  Call: (217) [user] is_like_space(')')
   Call: (218) [system] char_type(')', 'white')
   Fail: (218) [system] char_type(')', 'white')
   Call: (218) [system] char_type(')', end_of_line)
   Fail: (218) [system] char_type(')', end_of_line)
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] char_type(')', cntrl)
   Fail: (218) [system] char_type(')', cntrl)
^  Fail: (217) [user] is_like_space(')')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1423562)
   Exit: (216) [system] peek_char((0x563acd73bee0), ')')
   Call: (216) [system] ')'=')'
   Exit: (216) [system] ')'=')'
   Call: (216) [system] get_char((0x563acd73bee0), _1427352)
   Exit: (216) [system] get_char((0x563acd73bee0), ')')
   Call: (216) [system] _1405694=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_list(')', (0x563acd73bee0), [])
   Call: (215) [system] _1308354=[a]
   Exit: (215) [system] [a]=[a]
^  Exit: (214) [user] read_list(')', (0x563acd73bee0), [a])
   Call: (214) [system] _1212886=[a, a]
   Exit: (214) [system] [a, a]=[a, a]
^  Exit: (213) [user] read_list(')', (0x563acd73bee0), [a, a])
   Call: (213) [system] _739130=['DisjunctionIntroduction', a, a]
   Exit: (213) [system] ['DisjunctionIntroduction', a, a]=['DisjunctionIntroduction', a, a]
^  Exit: (212) [user] read_list(')', (0x563acd73bee0), ['DisjunctionIntroduction', a, a])
^  Exit: (211) [user] cont_sexpr(')', (0x563acd73bee0), ['DisjunctionIntroduction', a, a])
^  Call: (211) [user] read_list(')', (0x563acd73bee0), _1441234)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1443092)
   Exit: (213) [system] peek_char((0x563acd73bee0), ')')
   Call: (213) [system] ')'=(;)
   Fail: (213) [system] ')'=(;)
   Call: (213) [system] ')'=(/)
   Fail: (213) [system] ')'=(/)
^  Call: (213) [user] is_like_space(')')
   Call: (214) [system] char_type(')', 'white')
   Fail: (214) [system] char_type(')', 'white')
   Call: (214) [system] char_type(')', end_of_line)
   Fail: (214) [system] char_type(')', end_of_line)
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] char_type(')', cntrl)
   Fail: (214) [system] char_type(')', cntrl)
^  Fail: (213) [user] is_like_space(')')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1459102)
   Exit: (212) [system] peek_char((0x563acd73bee0), ')')
   Call: (212) [system] ')'=')'
   Exit: (212) [system] ')'=')'
   Call: (212) [system] get_char((0x563acd73bee0), _1462892)
   Exit: (212) [system] get_char((0x563acd73bee0), ')')
   Call: (212) [system] _1441234=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_list(')', (0x563acd73bee0), [])
   Call: (211) [system] _702470=[['DisjunctionIntroduction', a, a]]
   Exit: (211) [system] [['DisjunctionIntroduction', a, a]]=[['DisjunctionIntroduction', a, a]]
^  Exit: (210) [user] read_list(')', (0x563acd73bee0), [['DisjunctionIntroduction', a, a]])
   Call: (210) [system] _573542=[abc, ['DisjunctionIntroduction', a, a]]
   Exit: (210) [system] [abc, ['DisjunctionIntroduction', a, a]]=[abc, ['DisjunctionIntroduction', a, a]]
^  Exit: (209) [user] read_list(')', (0x563acd73bee0), [abc, ['DisjunctionIntroduction', a, a]])
   Call: (209) [system] _99786=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]]
   Exit: (209) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]]
^  Exit: (208) [user] read_list(')', (0x563acd73bee0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]])
^  Exit: (207) [user] cont_sexpr(')', (0x563acd73bee0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]])
^  Call: (207) [user] read_list(')', (0x563acd73bee0), _1476774)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1478632)
   Exit: (209) [system] peek_char((0x563acd73bee0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x563acd73bee0), _1488226)
   Exit: (209) [system] get_char((0x563acd73bee0), ' ')
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1490930)
   Exit: (210) [system] peek_char((0x563acd73bee0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1507864)
   Exit: (208) [system] peek_char((0x563acd73bee0), '(')
   Call: (208) [system] '('=')'
   Fail: (208) [system] '('=')'
   Call: (208) [system] '('=end_of_file
   Fail: (208) [system] '('=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x563acd73bee0), _1513434)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1515292)
   Exit: (210) [system] peek_char((0x563acd73bee0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] get_char((0x563acd73bee0), _1531302)
   Exit: (209) [system] get_char((0x563acd73bee0), '(')
   Call: (209) [system] '('='('
   Exit: (209) [system] '('='('
^  Call: (209) [user] read_list(')', (0x563acd73bee0), _1513434)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1536872)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'O')
   Call: (211) [system] 'O'=(;)
   Fail: (211) [system] 'O'=(;)
   Call: (211) [system] 'O'=(/)
   Fail: (211) [system] 'O'=(/)
^  Call: (211) [user] is_like_space('O')
   Call: (212) [system] char_type('O', 'white')
   Fail: (212) [system] char_type('O', 'white')
   Call: (212) [system] char_type('O', end_of_line)
   Fail: (212) [system] char_type('O', end_of_line)
   Call: (212) [system] char_type('O', space)
   Fail: (212) [system] char_type('O', space)
   Call: (212) [system] char_type('O', cntrl)
   Fail: (212) [system] char_type('O', cntrl)
^  Fail: (211) [user] is_like_space('O')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1552882)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'O')
   Call: (210) [system] 'O'=')'
   Fail: (210) [system] 'O'=')'
   Call: (210) [system] 'O'=end_of_file
   Fail: (210) [system] 'O'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x563acd73bee0), _1558452)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1560310)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'O')
   Call: (212) [system] 'O'=(;)
   Fail: (212) [system] 'O'=(;)
   Call: (212) [system] 'O'=(/)
   Fail: (212) [system] 'O'=(/)
^  Call: (212) [user] is_like_space('O')
   Call: (213) [system] char_type('O', 'white')
   Fail: (213) [system] char_type('O', 'white')
   Call: (213) [system] char_type('O', end_of_line)
   Fail: (213) [system] char_type('O', end_of_line)
   Call: (213) [system] char_type('O', space)
   Fail: (213) [system] char_type('O', space)
   Call: (213) [system] char_type('O', cntrl)
   Fail: (213) [system] char_type('O', cntrl)
^  Fail: (212) [user] is_like_space('O')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] get_char((0x563acd73bee0), _1576320)
   Exit: (211) [system] get_char((0x563acd73bee0), 'O')
   Call: (211) [system] 'O'='('
   Fail: (211) [system] 'O'='('
   Call: (211) [system] 'O'='['
   Fail: (211) [system] 'O'='['
   Call: (211) [system] 'O'='{'
   Fail: (211) [system] 'O'='{'
   Call: (211) [system] 'O'='"'
   Fail: (211) [system] 'O'='"'
   Call: (211) [system] 'O'=!
   Fail: (211) [system] 'O'=!
   Call: (211) [system] 'O'='\''
   Fail: (211) [system] 'O'='\''
   Call: (211) [system] 'O'='`'
   Fail: (211) [system] 'O'='`'
   Call: (211) [system] 'O'=end_of_file
   Fail: (211) [system] 'O'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x563acd73bee0), 'O', _1558452)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _1593962)
   Call: (213) [system] peek_char((0x563acd73bee0), _1594896)
   Exit: (213) [system] peek_char((0x563acd73bee0), r)
^  Call: (213) [user] is_delimiter(r)
   Call: (214) [system] char_type(r, space)
   Fail: (214) [system] char_type(r, space)
   Call: (214) [system] arg(_1599616, v('(', ')', end_of_file), r)
   Fail: (214) [system] arg(_1600548, v('(', ')', end_of_file), r)
^  Fail: (213) [user] is_delimiter(r)
   Call: (213) [system] ')'==r
   Fail: (213) [system] ')'==r
   Call: (213) [system] get_char((0x563acd73bee0), r)
   Exit: (213) [system] get_char((0x563acd73bee0), r)
   Call: (213) [system] r=(\)
   Fail: (213) [system] r=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _1607898)
   Call: (214) [system] peek_char((0x563acd73bee0), _1608832)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (214) [user] is_delimiter('L')
   Call: (215) [system] char_type('L', space)
   Fail: (215) [system] char_type('L', space)
   Call: (215) [system] arg(_1613552, v('(', ')', end_of_file), 'L')
   Fail: (215) [system] arg(_1614484, v('(', ')', end_of_file), 'L')
^  Fail: (214) [user] is_delimiter('L')
   Call: (214) [system] ')'=='L'
   Fail: (214) [system] ')'=='L'
   Call: (214) [system] get_char((0x563acd73bee0), 'L')
   Exit: (214) [system] get_char((0x563acd73bee0), 'L')
   Call: (214) [system] 'L'=(\)
   Fail: (214) [system] 'L'=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _1621834)
   Call: (215) [system] peek_char((0x563acd73bee0), _1622768)
   Exit: (215) [system] peek_char((0x563acd73bee0), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Fail: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_1627488, v('(', ')', end_of_file), i)
   Fail: (216) [system] arg(_1628420, v('(', ')', end_of_file), i)
^  Fail: (215) [user] is_delimiter(i)
   Call: (215) [system] ')'==i
   Fail: (215) [system] ')'==i
   Call: (215) [system] get_char((0x563acd73bee0), i)
   Exit: (215) [system] get_char((0x563acd73bee0), i)
   Call: (215) [system] i=(\)
   Fail: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _1635770)
   Call: (216) [system] peek_char((0x563acd73bee0), _1636704)
   Exit: (216) [system] peek_char((0x563acd73bee0), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_1641424, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_1642356, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x563acd73bee0), n)
   Exit: (216) [system] get_char((0x563acd73bee0), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _1649706)
   Call: (217) [system] peek_char((0x563acd73bee0), _1650640)
   Exit: (217) [system] peek_char((0x563acd73bee0), k)
^  Call: (217) [user] is_delimiter(k)
   Call: (218) [system] char_type(k, space)
   Fail: (218) [system] char_type(k, space)
   Call: (218) [system] arg(_1655360, v('(', ')', end_of_file), k)
   Fail: (218) [system] arg(_1656292, v('(', ')', end_of_file), k)
^  Fail: (217) [user] is_delimiter(k)
   Call: (217) [system] ')'==k
   Fail: (217) [system] ')'==k
   Call: (217) [system] get_char((0x563acd73bee0), k)
   Exit: (217) [system] get_char((0x563acd73bee0), k)
   Call: (217) [system] k=(\)
   Fail: (217) [system] k=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _1663642)
   Call: (218) [system] peek_char((0x563acd73bee0), _1664576)
   Exit: (218) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _1663642=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (217) [system] _1649706=[k]
   Exit: (217) [system] [k]=[k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (216) [system] _1635770=[n, k]
   Exit: (216) [system] [n, k]=[n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (215) [system] _1621834=[i, n, k]
   Exit: (215) [system] [i, n, k]=[i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (214) [system] _1607898=['L', i, n, k]
   Exit: (214) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (213) [system] _1593962=[r, 'L', i, n, k]
   Exit: (213) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (212) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1558452)
^  Call: (213) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1687830)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_1688782, _1688784), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1687830), _1688764, fail)), '$restore_trace'(_1688782, _1688784))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_1688782, _1688784))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1687830), _1688764, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_1687830)
   Fail: (214) [system] atomic(_1687830)
   Call: (214) [system] atom_chars(_1687830, ['O', r, 'L', i, n, k])
   Exit: (214) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (213) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (213) [system] integer('OrLink')
   Fail: (213) [system] integer('OrLink')
   Call: (213) [system] _1558452='OrLink'
   Exit: (213) [system] 'OrLink'='OrLink'
^  Exit: (212) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (211) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (210) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (210) [user] read_list(')', (0x563acd73bee0), _1702780)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1704638)
   Exit: (212) [system] peek_char((0x563acd73bee0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x563acd73bee0), _1714232)
   Exit: (212) [system] get_char((0x563acd73bee0), ' ')
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1716936)
   Exit: (213) [system] peek_char((0x563acd73bee0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1733870)
   Exit: (211) [system] peek_char((0x563acd73bee0), '(')
   Call: (211) [system] '('=')'
   Fail: (211) [system] '('=')'
   Call: (211) [system] '('=end_of_file
   Fail: (211) [system] '('=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x563acd73bee0), _1739440)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1741298)
   Exit: (213) [system] peek_char((0x563acd73bee0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] get_char((0x563acd73bee0), _1757308)
   Exit: (212) [system] get_char((0x563acd73bee0), '(')
   Call: (212) [system] '('='('
   Exit: (212) [system] '('='('
^  Call: (212) [user] read_list(')', (0x563acd73bee0), _1739440)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1762878)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'I')
   Call: (214) [system] 'I'=(;)
   Fail: (214) [system] 'I'=(;)
   Call: (214) [system] 'I'=(/)
   Fail: (214) [system] 'I'=(/)
^  Call: (214) [user] is_like_space('I')
   Call: (215) [system] char_type('I', 'white')
   Fail: (215) [system] char_type('I', 'white')
   Call: (215) [system] char_type('I', end_of_line)
   Fail: (215) [system] char_type('I', end_of_line)
   Call: (215) [system] char_type('I', space)
   Fail: (215) [system] char_type('I', space)
   Call: (215) [system] char_type('I', cntrl)
   Fail: (215) [system] char_type('I', cntrl)
^  Fail: (214) [user] is_like_space('I')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1778888)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'I')
   Call: (213) [system] 'I'=')'
   Fail: (213) [system] 'I'=')'
   Call: (213) [system] 'I'=end_of_file
   Fail: (213) [system] 'I'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x563acd73bee0), _1784458)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1786316)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'I')
   Call: (215) [system] 'I'=(;)
   Fail: (215) [system] 'I'=(;)
   Call: (215) [system] 'I'=(/)
   Fail: (215) [system] 'I'=(/)
^  Call: (215) [user] is_like_space('I')
   Call: (216) [system] char_type('I', 'white')
   Fail: (216) [system] char_type('I', 'white')
   Call: (216) [system] char_type('I', end_of_line)
   Fail: (216) [system] char_type('I', end_of_line)
   Call: (216) [system] char_type('I', space)
   Fail: (216) [system] char_type('I', space)
   Call: (216) [system] char_type('I', cntrl)
   Fail: (216) [system] char_type('I', cntrl)
^  Fail: (215) [user] is_like_space('I')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] get_char((0x563acd73bee0), _1802326)
   Exit: (214) [system] get_char((0x563acd73bee0), 'I')
   Call: (214) [system] 'I'='('
   Fail: (214) [system] 'I'='('
   Call: (214) [system] 'I'='['
   Fail: (214) [system] 'I'='['
   Call: (214) [system] 'I'='{'
   Fail: (214) [system] 'I'='{'
   Call: (214) [system] 'I'='"'
   Fail: (214) [system] 'I'='"'
   Call: (214) [system] 'I'=!
   Fail: (214) [system] 'I'=!
   Call: (214) [system] 'I'='\''
   Fail: (214) [system] 'I'='\''
   Call: (214) [system] 'I'='`'
   Fail: (214) [system] 'I'='`'
   Call: (214) [system] 'I'=end_of_file
   Fail: (214) [system] 'I'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x563acd73bee0), 'I', _1784458)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _1819968)
   Call: (216) [system] peek_char((0x563acd73bee0), _1820902)
   Exit: (216) [system] peek_char((0x563acd73bee0), m)
^  Call: (216) [user] is_delimiter(m)
   Call: (217) [system] char_type(m, space)
   Fail: (217) [system] char_type(m, space)
   Call: (217) [system] arg(_1825622, v('(', ')', end_of_file), m)
   Fail: (217) [system] arg(_1826554, v('(', ')', end_of_file), m)
^  Fail: (216) [user] is_delimiter(m)
   Call: (216) [system] ')'==m
   Fail: (216) [system] ')'==m
   Call: (216) [system] get_char((0x563acd73bee0), m)
   Exit: (216) [system] get_char((0x563acd73bee0), m)
   Call: (216) [system] m=(\)
   Fail: (216) [system] m=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _1833904)
   Call: (217) [system] peek_char((0x563acd73bee0), _1834838)
   Exit: (217) [system] peek_char((0x563acd73bee0), p)
^  Call: (217) [user] is_delimiter(p)
   Call: (218) [system] char_type(p, space)
   Fail: (218) [system] char_type(p, space)
   Call: (218) [system] arg(_1839558, v('(', ')', end_of_file), p)
   Fail: (218) [system] arg(_1840490, v('(', ')', end_of_file), p)
^  Fail: (217) [user] is_delimiter(p)
   Call: (217) [system] ')'==p
   Fail: (217) [system] ')'==p
   Call: (217) [system] get_char((0x563acd73bee0), p)
   Exit: (217) [system] get_char((0x563acd73bee0), p)
   Call: (217) [system] p=(\)
   Fail: (217) [system] p=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _1847840)
   Call: (218) [system] peek_char((0x563acd73bee0), _1848774)
   Exit: (218) [system] peek_char((0x563acd73bee0), l)
^  Call: (218) [user] is_delimiter(l)
   Call: (219) [system] char_type(l, space)
   Fail: (219) [system] char_type(l, space)
   Call: (219) [system] arg(_1853494, v('(', ')', end_of_file), l)
   Fail: (219) [system] arg(_1854426, v('(', ')', end_of_file), l)
^  Fail: (218) [user] is_delimiter(l)
   Call: (218) [system] ')'==l
   Fail: (218) [system] ')'==l
   Call: (218) [system] get_char((0x563acd73bee0), l)
   Exit: (218) [system] get_char((0x563acd73bee0), l)
   Call: (218) [system] l=(\)
   Fail: (218) [system] l=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _1861776)
   Call: (219) [system] peek_char((0x563acd73bee0), _1862710)
   Exit: (219) [system] peek_char((0x563acd73bee0), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Fail: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_1867430, v('(', ')', end_of_file), i)
   Fail: (220) [system] arg(_1868362, v('(', ')', end_of_file), i)
^  Fail: (219) [user] is_delimiter(i)
   Call: (219) [system] ')'==i
   Fail: (219) [system] ')'==i
   Call: (219) [system] get_char((0x563acd73bee0), i)
   Exit: (219) [system] get_char((0x563acd73bee0), i)
   Call: (219) [system] i=(\)
   Fail: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _1875712)
   Call: (220) [system] peek_char((0x563acd73bee0), _1876646)
   Exit: (220) [system] peek_char((0x563acd73bee0), c)
^  Call: (220) [user] is_delimiter(c)
   Call: (221) [system] char_type(c, space)
   Fail: (221) [system] char_type(c, space)
   Call: (221) [system] arg(_1881366, v('(', ')', end_of_file), c)
   Fail: (221) [system] arg(_1882298, v('(', ')', end_of_file), c)
^  Fail: (220) [user] is_delimiter(c)
   Call: (220) [system] ')'==c
   Fail: (220) [system] ')'==c
   Call: (220) [system] get_char((0x563acd73bee0), c)
   Exit: (220) [system] get_char((0x563acd73bee0), c)
   Call: (220) [system] c=(\)
   Fail: (220) [system] c=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _1889648)
   Call: (221) [system] peek_char((0x563acd73bee0), _1890582)
   Exit: (221) [system] peek_char((0x563acd73bee0), a)
^  Call: (221) [user] is_delimiter(a)
   Call: (222) [system] char_type(a, space)
   Fail: (222) [system] char_type(a, space)
   Call: (222) [system] arg(_1895302, v('(', ')', end_of_file), a)
   Fail: (222) [system] arg(_1896234, v('(', ')', end_of_file), a)
^  Fail: (221) [user] is_delimiter(a)
   Call: (221) [system] ')'==a
   Fail: (221) [system] ')'==a
   Call: (221) [system] get_char((0x563acd73bee0), a)
   Exit: (221) [system] get_char((0x563acd73bee0), a)
   Call: (221) [system] a=(\)
   Fail: (221) [system] a=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _1903584)
   Call: (222) [system] peek_char((0x563acd73bee0), _1904518)
   Exit: (222) [system] peek_char((0x563acd73bee0), t)
^  Call: (222) [user] is_delimiter(t)
   Call: (223) [system] char_type(t, space)
   Fail: (223) [system] char_type(t, space)
   Call: (223) [system] arg(_1909238, v('(', ')', end_of_file), t)
   Fail: (223) [system] arg(_1910170, v('(', ')', end_of_file), t)
^  Fail: (222) [user] is_delimiter(t)
   Call: (222) [system] ')'==t
   Fail: (222) [system] ')'==t
   Call: (222) [system] get_char((0x563acd73bee0), t)
   Exit: (222) [system] get_char((0x563acd73bee0), t)
   Call: (222) [system] t=(\)
   Fail: (222) [system] t=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _1917520)
   Call: (223) [system] peek_char((0x563acd73bee0), _1918454)
   Exit: (223) [system] peek_char((0x563acd73bee0), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Fail: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_1923174, v('(', ')', end_of_file), i)
   Fail: (224) [system] arg(_1924106, v('(', ')', end_of_file), i)
^  Fail: (223) [user] is_delimiter(i)
   Call: (223) [system] ')'==i
   Fail: (223) [system] ')'==i
   Call: (223) [system] get_char((0x563acd73bee0), i)
   Exit: (223) [system] get_char((0x563acd73bee0), i)
   Call: (223) [system] i=(\)
   Fail: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _1931456)
   Call: (224) [system] peek_char((0x563acd73bee0), _1932390)
   Exit: (224) [system] peek_char((0x563acd73bee0), o)
^  Call: (224) [user] is_delimiter(o)
   Call: (225) [system] char_type(o, space)
   Fail: (225) [system] char_type(o, space)
   Call: (225) [system] arg(_1937110, v('(', ')', end_of_file), o)
   Fail: (225) [system] arg(_1938042, v('(', ')', end_of_file), o)
^  Fail: (224) [user] is_delimiter(o)
   Call: (224) [system] ')'==o
   Fail: (224) [system] ')'==o
   Call: (224) [system] get_char((0x563acd73bee0), o)
   Exit: (224) [system] get_char((0x563acd73bee0), o)
   Call: (224) [system] o=(\)
   Fail: (224) [system] o=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _1945392)
   Call: (225) [system] peek_char((0x563acd73bee0), _1946326)
   Exit: (225) [system] peek_char((0x563acd73bee0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_1951046, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_1951978, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x563acd73bee0), n)
   Exit: (225) [system] get_char((0x563acd73bee0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _1959328)
   Call: (226) [system] peek_char((0x563acd73bee0), _1960262)
   Exit: (226) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _1959328=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (225) [system] _1945392=[n]
   Exit: (225) [system] [n]=[n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (224) [system] _1931456=[o, n]
   Exit: (224) [system] [o, n]=[o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (223) [system] _1917520=[i, o, n]
   Exit: (223) [system] [i, o, n]=[i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (222) [system] _1903584=[t, i, o, n]
   Exit: (222) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (221) [system] _1889648=[a, t, i, o, n]
   Exit: (221) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (220) [system] _1875712=[c, a, t, i, o, n]
   Exit: (220) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (219) [system] _1861776=[i, c, a, t, i, o, n]
   Exit: (219) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (218) [system] _1847840=[l, i, c, a, t, i, o, n]
   Exit: (218) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (217) [system] _1833904=[p, l, i, c, a, t, i, o, n]
   Exit: (217) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (216) [system] _1819968=[m, p, l, i, c, a, t, i, o, n]
   Exit: (216) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (215) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1784458)
^  Call: (216) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1997486)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1998438, _1998440), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1997486), _1998420, fail)), '$restore_trace'(_1998438, _1998440))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1998438, _1998440))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1997486), _1998420, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_1997486)
   Fail: (217) [system] atomic(_1997486)
   Call: (217) [system] atom_chars(_1997486, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (217) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (216) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (216) [system] integer('Implication')
   Fail: (216) [system] integer('Implication')
   Call: (216) [system] _1784458='Implication'
   Exit: (216) [system] 'Implication'='Implication'
^  Exit: (215) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (214) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (213) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (213) [user] read_list(')', (0x563acd73bee0), _2012436)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _2014294)
   Exit: (215) [system] peek_char((0x563acd73bee0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x563acd73bee0), _2023888)
   Exit: (215) [system] get_char((0x563acd73bee0), ' ')
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _2026592)
   Exit: (216) [system] peek_char((0x563acd73bee0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _2043526)
   Exit: (214) [system] peek_char((0x563acd73bee0), '(')
   Call: (214) [system] '('=')'
   Fail: (214) [system] '('=')'
   Call: (214) [system] '('=end_of_file
   Fail: (214) [system] '('=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x563acd73bee0), _2049096)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _2050954)
   Exit: (216) [system] peek_char((0x563acd73bee0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] get_char((0x563acd73bee0), _2066964)
   Exit: (215) [system] get_char((0x563acd73bee0), '(')
   Call: (215) [system] '('='('
   Exit: (215) [system] '('='('
^  Call: (215) [user] read_list(')', (0x563acd73bee0), _2049096)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _2072534)
   Exit: (217) [system] peek_char((0x563acd73bee0), 'A')
   Call: (217) [system] 'A'=(;)
   Fail: (217) [system] 'A'=(;)
   Call: (217) [system] 'A'=(/)
   Fail: (217) [system] 'A'=(/)
^  Call: (217) [user] is_like_space('A')
   Call: (218) [system] char_type('A', 'white')
   Fail: (218) [system] char_type('A', 'white')
   Call: (218) [system] char_type('A', end_of_line)
   Fail: (218) [system] char_type('A', end_of_line)
   Call: (218) [system] char_type('A', space)
   Fail: (218) [system] char_type('A', space)
   Call: (218) [system] char_type('A', cntrl)
   Fail: (218) [system] char_type('A', cntrl)
^  Fail: (217) [user] is_like_space('A')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _2088544)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'A')
   Call: (216) [system] 'A'=')'
   Fail: (216) [system] 'A'=')'
   Call: (216) [system] 'A'=end_of_file
   Fail: (216) [system] 'A'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x563acd73bee0), _2094114)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _2095972)
   Exit: (218) [system] peek_char((0x563acd73bee0), 'A')
   Call: (218) [system] 'A'=(;)
   Fail: (218) [system] 'A'=(;)
   Call: (218) [system] 'A'=(/)
   Fail: (218) [system] 'A'=(/)
^  Call: (218) [user] is_like_space('A')
   Call: (219) [system] char_type('A', 'white')
   Fail: (219) [system] char_type('A', 'white')
   Call: (219) [system] char_type('A', end_of_line)
   Fail: (219) [system] char_type('A', end_of_line)
   Call: (219) [system] char_type('A', space)
   Fail: (219) [system] char_type('A', space)
   Call: (219) [system] char_type('A', cntrl)
   Fail: (219) [system] char_type('A', cntrl)
^  Fail: (218) [user] is_like_space('A')
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] get_char((0x563acd73bee0), _20416)
   Exit: (217) [system] get_char((0x563acd73bee0), 'A')
   Call: (217) [system] 'A'='('
   Fail: (217) [system] 'A'='('
   Call: (217) [system] 'A'='['
   Fail: (217) [system] 'A'='['
   Call: (217) [system] 'A'='{'
   Fail: (217) [system] 'A'='{'
   Call: (217) [system] 'A'='"'
   Fail: (217) [system] 'A'='"'
   Call: (217) [system] 'A'=!
   Fail: (217) [system] 'A'=!
   Call: (217) [system] 'A'='\''
   Fail: (217) [system] 'A'='\''
   Call: (217) [system] 'A'='`'
   Fail: (217) [system] 'A'='`'
   Call: (217) [system] 'A'=end_of_file
   Fail: (217) [system] 'A'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x563acd73bee0), 'A', _5384)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _38058)
   Call: (219) [system] peek_char((0x563acd73bee0), _38992)
   Exit: (219) [system] peek_char((0x563acd73bee0), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_43712, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_44644, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x563acd73bee0), n)
   Exit: (219) [system] get_char((0x563acd73bee0), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _51994)
   Call: (220) [system] peek_char((0x563acd73bee0), _52928)
   Exit: (220) [system] peek_char((0x563acd73bee0), d)
^  Call: (220) [user] is_delimiter(d)
   Call: (221) [system] char_type(d, space)
   Fail: (221) [system] char_type(d, space)
   Call: (221) [system] arg(_57648, v('(', ')', end_of_file), d)
   Fail: (221) [system] arg(_58580, v('(', ')', end_of_file), d)
^  Fail: (220) [user] is_delimiter(d)
   Call: (220) [system] ')'==d
   Fail: (220) [system] ')'==d
   Call: (220) [system] get_char((0x563acd73bee0), d)
   Exit: (220) [system] get_char((0x563acd73bee0), d)
   Call: (220) [system] d=(\)
   Fail: (220) [system] d=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _65930)
   Call: (221) [system] peek_char((0x563acd73bee0), _66864)
   Exit: (221) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (221) [user] is_delimiter('L')
   Call: (222) [system] char_type('L', space)
   Fail: (222) [system] char_type('L', space)
   Call: (222) [system] arg(_71584, v('(', ')', end_of_file), 'L')
   Fail: (222) [system] arg(_72516, v('(', ')', end_of_file), 'L')
^  Fail: (221) [user] is_delimiter('L')
   Call: (221) [system] ')'=='L'
   Fail: (221) [system] ')'=='L'
   Call: (221) [system] get_char((0x563acd73bee0), 'L')
   Exit: (221) [system] get_char((0x563acd73bee0), 'L')
   Call: (221) [system] 'L'=(\)
   Fail: (221) [system] 'L'=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _79866)
   Call: (222) [system] peek_char((0x563acd73bee0), _80800)
   Exit: (222) [system] peek_char((0x563acd73bee0), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_85520, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_86452, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x563acd73bee0), i)
   Exit: (222) [system] get_char((0x563acd73bee0), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _93802)
   Call: (223) [system] peek_char((0x563acd73bee0), _94736)
   Exit: (223) [system] peek_char((0x563acd73bee0), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_99456, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_100388, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x563acd73bee0), n)
   Exit: (223) [system] get_char((0x563acd73bee0), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _107738)
   Call: (224) [system] peek_char((0x563acd73bee0), _108672)
   Exit: (224) [system] peek_char((0x563acd73bee0), k)
^  Call: (224) [user] is_delimiter(k)
   Call: (225) [system] char_type(k, space)
   Fail: (225) [system] char_type(k, space)
   Call: (225) [system] arg(_113392, v('(', ')', end_of_file), k)
   Fail: (225) [system] arg(_114324, v('(', ')', end_of_file), k)
^  Fail: (224) [user] is_delimiter(k)
   Call: (224) [system] ')'==k
   Fail: (224) [system] ')'==k
   Call: (224) [system] get_char((0x563acd73bee0), k)
   Exit: (224) [system] get_char((0x563acd73bee0), k)
   Call: (224) [system] k=(\)
   Fail: (224) [system] k=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _121674)
   Call: (225) [system] peek_char((0x563acd73bee0), _122608)
   Exit: (225) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _121674=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (224) [system] _107738=[k]
   Exit: (224) [system] [k]=[k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (223) [system] _93802=[n, k]
   Exit: (223) [system] [n, k]=[n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (222) [system] _79866=[i, n, k]
   Exit: (222) [system] [i, n, k]=[i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (221) [system] _65930=['L', i, n, k]
   Exit: (221) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (220) [system] _51994=[d, 'L', i, n, k]
   Exit: (220) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, 'L', i, n, k])
   Call: (219) [system] _38058=[n, d, 'L', i, n, k]
   Exit: (219) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, d, 'L', i, n, k])
^  Call: (218) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _5384)
^  Call: (219) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _148656)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_149608, _149610), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _148656), _149590, fail)), '$restore_trace'(_149608, _149610))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_149608, _149610))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _148656), _149590, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_148656)
   Fail: (220) [system] atomic(_148656)
   Call: (220) [system] atom_chars(_148656, ['A', n, d, 'L', i, n, k])
   Exit: (220) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (219) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (219) [system] integer('AndLink')
   Fail: (219) [system] integer('AndLink')
   Call: (219) [system] _5384='AndLink'
   Exit: (219) [system] 'AndLink'='AndLink'
^  Exit: (218) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (217) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'AndLink')
^  Exit: (216) [user] cont_sexpr(')', (0x563acd73bee0), 'AndLink')
^  Call: (216) [user] read_list(')', (0x563acd73bee0), _163606)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _165464)
   Exit: (218) [system] peek_char((0x563acd73bee0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x563acd73bee0), _175058)
   Exit: (218) [system] get_char((0x563acd73bee0), ' ')
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _177762)
   Exit: (219) [system] peek_char((0x563acd73bee0), 'A')
   Call: (219) [system] 'A'=(;)
   Fail: (219) [system] 'A'=(;)
   Call: (219) [system] 'A'=(/)
   Fail: (219) [system] 'A'=(/)
^  Call: (219) [user] is_like_space('A')
   Call: (220) [system] char_type('A', 'white')
   Fail: (220) [system] char_type('A', 'white')
   Call: (220) [system] char_type('A', end_of_line)
   Fail: (220) [system] char_type('A', end_of_line)
   Call: (220) [system] char_type('A', space)
   Fail: (220) [system] char_type('A', space)
   Call: (220) [system] char_type('A', cntrl)
   Fail: (220) [system] char_type('A', cntrl)
^  Fail: (219) [user] is_like_space('A')
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _194696)
   Exit: (217) [system] peek_char((0x563acd73bee0), 'A')
   Call: (217) [system] 'A'=')'
   Fail: (217) [system] 'A'=')'
   Call: (217) [system] 'A'=end_of_file
   Fail: (217) [system] 'A'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x563acd73bee0), _200266)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _202124)
   Exit: (219) [system] peek_char((0x563acd73bee0), 'A')
   Call: (219) [system] 'A'=(;)
   Fail: (219) [system] 'A'=(;)
   Call: (219) [system] 'A'=(/)
   Fail: (219) [system] 'A'=(/)
^  Call: (219) [user] is_like_space('A')
   Call: (220) [system] char_type('A', 'white')
   Fail: (220) [system] char_type('A', 'white')
   Call: (220) [system] char_type('A', end_of_line)
   Fail: (220) [system] char_type('A', end_of_line)
   Call: (220) [system] char_type('A', space)
   Fail: (220) [system] char_type('A', space)
   Call: (220) [system] char_type('A', cntrl)
   Fail: (220) [system] char_type('A', cntrl)
^  Fail: (219) [user] is_like_space('A')
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] get_char((0x563acd73bee0), _218134)
   Exit: (218) [system] get_char((0x563acd73bee0), 'A')
   Call: (218) [system] 'A'='('
   Fail: (218) [system] 'A'='('
   Call: (218) [system] 'A'='['
   Fail: (218) [system] 'A'='['
   Call: (218) [system] 'A'='{'
   Fail: (218) [system] 'A'='{'
   Call: (218) [system] 'A'='"'
   Fail: (218) [system] 'A'='"'
   Call: (218) [system] 'A'=!
   Fail: (218) [system] 'A'=!
   Call: (218) [system] 'A'='\''
   Fail: (218) [system] 'A'='\''
   Call: (218) [system] 'A'='`'
   Fail: (218) [system] 'A'='`'
   Call: (218) [system] 'A'=end_of_file
   Fail: (218) [system] 'A'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x563acd73bee0), 'A', _200266)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _235776)
   Call: (220) [system] peek_char((0x563acd73bee0), _236710)
   Exit: (220) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _235776=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (219) [user] classify_and_convert_charseq(['A'], _200266)
^  Call: (220) [user] classify_and_convert_charseq_(['A'], _245994)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_246946, _246948), once(user:catch(read_from_chars(['A'], _245994), _246928, fail)), '$restore_trace'(_246946, _246948))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_246946, _246948))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _245994), _246928, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_245994)
   Fail: (221) [system] atomic(_245994)
   Call: (221) [system] atom_chars(_245994, ['A'])
   Exit: (221) [system] atom_chars('A', ['A'])
^  Exit: (220) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (220) [system] integer('A')
   Fail: (220) [system] integer('A')
   Call: (220) [system] _200266='A'
   Exit: (220) [system] 'A'='A'
^  Exit: (219) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (218) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (217) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (217) [user] read_list(')', (0x563acd73bee0), _260944)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _262802)
   Exit: (219) [system] peek_char((0x563acd73bee0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x563acd73bee0), _272396)
   Exit: (219) [system] get_char((0x563acd73bee0), ' ')
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _275100)
   Exit: (220) [system] peek_char((0x563acd73bee0), 'B')
   Call: (220) [system] 'B'=(;)
   Fail: (220) [system] 'B'=(;)
   Call: (220) [system] 'B'=(/)
   Fail: (220) [system] 'B'=(/)
^  Call: (220) [user] is_like_space('B')
   Call: (221) [system] char_type('B', 'white')
   Fail: (221) [system] char_type('B', 'white')
   Call: (221) [system] char_type('B', end_of_line)
   Fail: (221) [system] char_type('B', end_of_line)
   Call: (221) [system] char_type('B', space)
   Fail: (221) [system] char_type('B', space)
   Call: (221) [system] char_type('B', cntrl)
   Fail: (221) [system] char_type('B', cntrl)
^  Fail: (220) [user] is_like_space('B')
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _292034)
   Exit: (218) [system] peek_char((0x563acd73bee0), 'B')
   Call: (218) [system] 'B'=')'
   Fail: (218) [system] 'B'=')'
   Call: (218) [system] 'B'=end_of_file
   Fail: (218) [system] 'B'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x563acd73bee0), _297604)
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _299462)
   Exit: (220) [system] peek_char((0x563acd73bee0), 'B')
   Call: (220) [system] 'B'=(;)
   Fail: (220) [system] 'B'=(;)
   Call: (220) [system] 'B'=(/)
   Fail: (220) [system] 'B'=(/)
^  Call: (220) [user] is_like_space('B')
   Call: (221) [system] char_type('B', 'white')
   Fail: (221) [system] char_type('B', 'white')
   Call: (221) [system] char_type('B', end_of_line)
   Fail: (221) [system] char_type('B', end_of_line)
   Call: (221) [system] char_type('B', space)
   Fail: (221) [system] char_type('B', space)
   Call: (221) [system] char_type('B', cntrl)
   Fail: (221) [system] char_type('B', cntrl)
^  Fail: (220) [user] is_like_space('B')
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] get_char((0x563acd73bee0), _315472)
   Exit: (219) [system] get_char((0x563acd73bee0), 'B')
   Call: (219) [system] 'B'='('
   Fail: (219) [system] 'B'='('
   Call: (219) [system] 'B'='['
   Fail: (219) [system] 'B'='['
   Call: (219) [system] 'B'='{'
   Fail: (219) [system] 'B'='{'
   Call: (219) [system] 'B'='"'
   Fail: (219) [system] 'B'='"'
   Call: (219) [system] 'B'=!
   Fail: (219) [system] 'B'=!
   Call: (219) [system] 'B'='\''
   Fail: (219) [system] 'B'='\''
   Call: (219) [system] 'B'='`'
   Fail: (219) [system] 'B'='`'
   Call: (219) [system] 'B'=end_of_file
   Fail: (219) [system] 'B'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x563acd73bee0), 'B', _297604)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _333114)
   Call: (221) [system] peek_char((0x563acd73bee0), _334048)
   Exit: (221) [system] peek_char((0x563acd73bee0), ')')
^  Call: (221) [user] is_delimiter(')')
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] arg(_338768, v('(', ')', end_of_file), ')')
   Exit: (222) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (221) [user] is_delimiter(')')
   Call: (221) [system] _333114=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (220) [user] classify_and_convert_charseq(['B'], _297604)
^  Call: (221) [user] classify_and_convert_charseq_(['B'], _345204)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_346156, _346158), once(user:catch(read_from_chars(['B'], _345204), _346138, fail)), '$restore_trace'(_346156, _346158))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_346156, _346158))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _345204), _346138, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_345204)
   Fail: (222) [system] atomic(_345204)
   Call: (222) [system] atom_chars(_345204, ['B'])
   Exit: (222) [system] atom_chars('B', ['B'])
^  Exit: (221) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (221) [system] integer('B')
   Fail: (221) [system] integer('B')
   Call: (221) [system] _297604='B'
   Exit: (221) [system] 'B'='B'
^  Exit: (220) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (219) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (218) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (218) [user] read_list(')', (0x563acd73bee0), _360154)
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _362012)
   Exit: (220) [system] peek_char((0x563acd73bee0), ')')
   Call: (220) [system] ')'=(;)
   Fail: (220) [system] ')'=(;)
   Call: (220) [system] ')'=(/)
   Fail: (220) [system] ')'=(/)
^  Call: (220) [user] is_like_space(')')
   Call: (221) [system] char_type(')', 'white')
   Fail: (221) [system] char_type(')', 'white')
   Call: (221) [system] char_type(')', end_of_line)
   Fail: (221) [system] char_type(')', end_of_line)
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] char_type(')', cntrl)
   Fail: (221) [system] char_type(')', cntrl)
^  Fail: (220) [user] is_like_space(')')
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _378022)
   Exit: (219) [system] peek_char((0x563acd73bee0), ')')
   Call: (219) [system] ')'=')'
   Exit: (219) [system] ')'=')'
   Call: (219) [system] get_char((0x563acd73bee0), _381812)
   Exit: (219) [system] get_char((0x563acd73bee0), ')')
   Call: (219) [system] _360154=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_list(')', (0x563acd73bee0), [])
   Call: (218) [system] _260944=['B']
   Exit: (218) [system] ['B']=['B']
^  Exit: (217) [user] read_list(')', (0x563acd73bee0), ['B'])
   Call: (217) [system] _163606=['A', 'B']
   Exit: (217) [system] ['A', 'B']=['A', 'B']
^  Exit: (216) [user] read_list(')', (0x563acd73bee0), ['A', 'B'])
   Call: (216) [system] _5378=['AndLink', 'A', 'B']
   Exit: (216) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (215) [user] read_list(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Exit: (214) [user] cont_sexpr(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Call: (214) [user] read_list(')', (0x563acd73bee0), _395694)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _397552)
   Exit: (216) [system] peek_char((0x563acd73bee0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x563acd73bee0), _407146)
   Exit: (216) [system] get_char((0x563acd73bee0), ' ')
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _409850)
   Exit: (217) [system] peek_char((0x563acd73bee0), 'C')
   Call: (217) [system] 'C'=(;)
   Fail: (217) [system] 'C'=(;)
   Call: (217) [system] 'C'=(/)
   Fail: (217) [system] 'C'=(/)
^  Call: (217) [user] is_like_space('C')
   Call: (218) [system] char_type('C', 'white')
   Fail: (218) [system] char_type('C', 'white')
   Call: (218) [system] char_type('C', end_of_line)
   Fail: (218) [system] char_type('C', end_of_line)
   Call: (218) [system] char_type('C', space)
   Fail: (218) [system] char_type('C', space)
   Call: (218) [system] char_type('C', cntrl)
   Fail: (218) [system] char_type('C', cntrl)
^  Fail: (217) [user] is_like_space('C')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _426784)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'C')
   Call: (215) [system] 'C'=')'
   Fail: (215) [system] 'C'=')'
   Call: (215) [system] 'C'=end_of_file
   Fail: (215) [system] 'C'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x563acd73bee0), _432354)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _434212)
   Exit: (217) [system] peek_char((0x563acd73bee0), 'C')
   Call: (217) [system] 'C'=(;)
   Fail: (217) [system] 'C'=(;)
   Call: (217) [system] 'C'=(/)
   Fail: (217) [system] 'C'=(/)
^  Call: (217) [user] is_like_space('C')
   Call: (218) [system] char_type('C', 'white')
   Fail: (218) [system] char_type('C', 'white')
   Call: (218) [system] char_type('C', end_of_line)
   Fail: (218) [system] char_type('C', end_of_line)
   Call: (218) [system] char_type('C', space)
   Fail: (218) [system] char_type('C', space)
   Call: (218) [system] char_type('C', cntrl)
   Fail: (218) [system] char_type('C', cntrl)
^  Fail: (217) [user] is_like_space('C')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] get_char((0x563acd73bee0), _450222)
   Exit: (216) [system] get_char((0x563acd73bee0), 'C')
   Call: (216) [system] 'C'='('
   Fail: (216) [system] 'C'='('
   Call: (216) [system] 'C'='['
   Fail: (216) [system] 'C'='['
   Call: (216) [system] 'C'='{'
   Fail: (216) [system] 'C'='{'
   Call: (216) [system] 'C'='"'
   Fail: (216) [system] 'C'='"'
   Call: (216) [system] 'C'=!
   Fail: (216) [system] 'C'=!
   Call: (216) [system] 'C'='\''
   Fail: (216) [system] 'C'='\''
   Call: (216) [system] 'C'='`'
   Fail: (216) [system] 'C'='`'
   Call: (216) [system] 'C'=end_of_file
   Fail: (216) [system] 'C'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x563acd73bee0), 'C', _432354)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _467864)
   Call: (218) [system] peek_char((0x563acd73bee0), _468798)
   Exit: (218) [system] peek_char((0x563acd73bee0), ')')
^  Call: (218) [user] is_delimiter(')')
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] arg(_473518, v('(', ')', end_of_file), ')')
   Exit: (219) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (218) [user] is_delimiter(')')
   Call: (218) [system] _467864=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (217) [user] classify_and_convert_charseq(['C'], _432354)
^  Call: (218) [user] classify_and_convert_charseq_(['C'], _479954)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_480906, _480908), once(user:catch(read_from_chars(['C'], _479954), _480888, fail)), '$restore_trace'(_480906, _480908))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_480906, _480908))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _479954), _480888, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_479954)
   Fail: (219) [system] atomic(_479954)
   Call: (219) [system] atom_chars(_479954, ['C'])
   Exit: (219) [system] atom_chars('C', ['C'])
^  Exit: (218) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (218) [system] integer('C')
   Fail: (218) [system] integer('C')
   Call: (218) [system] _432354='C'
   Exit: (218) [system] 'C'='C'
^  Exit: (217) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (216) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (215) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (215) [user] read_list(')', (0x563acd73bee0), _494904)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _496762)
   Exit: (217) [system] peek_char((0x563acd73bee0), ')')
   Call: (217) [system] ')'=(;)
   Fail: (217) [system] ')'=(;)
   Call: (217) [system] ')'=(/)
   Fail: (217) [system] ')'=(/)
^  Call: (217) [user] is_like_space(')')
   Call: (218) [system] char_type(')', 'white')
   Fail: (218) [system] char_type(')', 'white')
   Call: (218) [system] char_type(')', end_of_line)
   Fail: (218) [system] char_type(')', end_of_line)
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] char_type(')', cntrl)
   Fail: (218) [system] char_type(')', cntrl)
^  Fail: (217) [user] is_like_space(')')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _512772)
   Exit: (216) [system] peek_char((0x563acd73bee0), ')')
   Call: (216) [system] ')'=')'
   Exit: (216) [system] ')'=')'
   Call: (216) [system] get_char((0x563acd73bee0), _516562)
   Exit: (216) [system] get_char((0x563acd73bee0), ')')
   Call: (216) [system] _494904=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_list(')', (0x563acd73bee0), [])
   Call: (215) [system] _395694=['C']
   Exit: (215) [system] ['C']=['C']
^  Exit: (214) [user] read_list(')', (0x563acd73bee0), ['C'])
   Call: (214) [system] _5374=[['AndLink', 'A', 'B'], 'C']
   Exit: (214) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (213) [user] read_list(')', (0x563acd73bee0), [['AndLink', 'A', 'B'], 'C'])
   Call: (213) [system] _5366=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (213) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (212) [user] read_list(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (211) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (211) [user] read_list(')', (0x563acd73bee0), _530444)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _532302)
   Exit: (213) [system] peek_char((0x563acd73bee0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x563acd73bee0), _541896)
   Exit: (213) [system] get_char((0x563acd73bee0), ' ')
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _544600)
   Exit: (214) [system] peek_char((0x563acd73bee0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _561534)
   Exit: (212) [system] peek_char((0x563acd73bee0), '(')
   Call: (212) [system] '('=')'
   Fail: (212) [system] '('=')'
   Call: (212) [system] '('=end_of_file
   Fail: (212) [system] '('=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x563acd73bee0), _567104)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _568962)
   Exit: (214) [system] peek_char((0x563acd73bee0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] get_char((0x563acd73bee0), _584972)
   Exit: (213) [system] get_char((0x563acd73bee0), '(')
   Call: (213) [system] '('='('
   Exit: (213) [system] '('='('
^  Call: (213) [user] read_list(')', (0x563acd73bee0), _567104)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _590542)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'O')
   Call: (215) [system] 'O'=(;)
   Fail: (215) [system] 'O'=(;)
   Call: (215) [system] 'O'=(/)
   Fail: (215) [system] 'O'=(/)
^  Call: (215) [user] is_like_space('O')
   Call: (216) [system] char_type('O', 'white')
   Fail: (216) [system] char_type('O', 'white')
   Call: (216) [system] char_type('O', end_of_line)
   Fail: (216) [system] char_type('O', end_of_line)
   Call: (216) [system] char_type('O', space)
   Fail: (216) [system] char_type('O', space)
   Call: (216) [system] char_type('O', cntrl)
   Fail: (216) [system] char_type('O', cntrl)
^  Fail: (215) [user] is_like_space('O')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _606552)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'O')
   Call: (214) [system] 'O'=')'
   Fail: (214) [system] 'O'=')'
   Call: (214) [system] 'O'=end_of_file
   Fail: (214) [system] 'O'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x563acd73bee0), _612122)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _613980)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'O')
   Call: (216) [system] 'O'=(;)
   Fail: (216) [system] 'O'=(;)
   Call: (216) [system] 'O'=(/)
   Fail: (216) [system] 'O'=(/)
^  Call: (216) [user] is_like_space('O')
   Call: (217) [system] char_type('O', 'white')
   Fail: (217) [system] char_type('O', 'white')
   Call: (217) [system] char_type('O', end_of_line)
   Fail: (217) [system] char_type('O', end_of_line)
   Call: (217) [system] char_type('O', space)
   Fail: (217) [system] char_type('O', space)
   Call: (217) [system] char_type('O', cntrl)
   Fail: (217) [system] char_type('O', cntrl)
^  Fail: (216) [user] is_like_space('O')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] get_char((0x563acd73bee0), _629990)
   Exit: (215) [system] get_char((0x563acd73bee0), 'O')
   Call: (215) [system] 'O'='('
   Fail: (215) [system] 'O'='('
   Call: (215) [system] 'O'='['
   Fail: (215) [system] 'O'='['
   Call: (215) [system] 'O'='{'
   Fail: (215) [system] 'O'='{'
   Call: (215) [system] 'O'='"'
   Fail: (215) [system] 'O'='"'
   Call: (215) [system] 'O'=!
   Fail: (215) [system] 'O'=!
   Call: (215) [system] 'O'='\''
   Fail: (215) [system] 'O'='\''
   Call: (215) [system] 'O'='`'
   Fail: (215) [system] 'O'='`'
   Call: (215) [system] 'O'=end_of_file
   Fail: (215) [system] 'O'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x563acd73bee0), 'O', _612122)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _647632)
   Call: (217) [system] peek_char((0x563acd73bee0), _648566)
   Exit: (217) [system] peek_char((0x563acd73bee0), r)
^  Call: (217) [user] is_delimiter(r)
   Call: (218) [system] char_type(r, space)
   Fail: (218) [system] char_type(r, space)
   Call: (218) [system] arg(_653286, v('(', ')', end_of_file), r)
   Fail: (218) [system] arg(_654218, v('(', ')', end_of_file), r)
^  Fail: (217) [user] is_delimiter(r)
   Call: (217) [system] ')'==r
   Fail: (217) [system] ')'==r
   Call: (217) [system] get_char((0x563acd73bee0), r)
   Exit: (217) [system] get_char((0x563acd73bee0), r)
   Call: (217) [system] r=(\)
   Fail: (217) [system] r=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _661568)
   Call: (218) [system] peek_char((0x563acd73bee0), _662502)
   Exit: (218) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (218) [user] is_delimiter('L')
   Call: (219) [system] char_type('L', space)
   Fail: (219) [system] char_type('L', space)
   Call: (219) [system] arg(_667222, v('(', ')', end_of_file), 'L')
   Fail: (219) [system] arg(_668154, v('(', ')', end_of_file), 'L')
^  Fail: (218) [user] is_delimiter('L')
   Call: (218) [system] ')'=='L'
   Fail: (218) [system] ')'=='L'
   Call: (218) [system] get_char((0x563acd73bee0), 'L')
   Exit: (218) [system] get_char((0x563acd73bee0), 'L')
   Call: (218) [system] 'L'=(\)
   Fail: (218) [system] 'L'=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _675504)
   Call: (219) [system] peek_char((0x563acd73bee0), _676438)
   Exit: (219) [system] peek_char((0x563acd73bee0), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Fail: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_681158, v('(', ')', end_of_file), i)
   Fail: (220) [system] arg(_682090, v('(', ')', end_of_file), i)
^  Fail: (219) [user] is_delimiter(i)
   Call: (219) [system] ')'==i
   Fail: (219) [system] ')'==i
   Call: (219) [system] get_char((0x563acd73bee0), i)
   Exit: (219) [system] get_char((0x563acd73bee0), i)
   Call: (219) [system] i=(\)
   Fail: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _689440)
   Call: (220) [system] peek_char((0x563acd73bee0), _690374)
   Exit: (220) [system] peek_char((0x563acd73bee0), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_695094, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_696026, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x563acd73bee0), n)
   Exit: (220) [system] get_char((0x563acd73bee0), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _703376)
   Call: (221) [system] peek_char((0x563acd73bee0), _704310)
   Exit: (221) [system] peek_char((0x563acd73bee0), k)
^  Call: (221) [user] is_delimiter(k)
   Call: (222) [system] char_type(k, space)
   Fail: (222) [system] char_type(k, space)
   Call: (222) [system] arg(_709030, v('(', ')', end_of_file), k)
   Fail: (222) [system] arg(_709962, v('(', ')', end_of_file), k)
^  Fail: (221) [user] is_delimiter(k)
   Call: (221) [system] ')'==k
   Fail: (221) [system] ')'==k
   Call: (221) [system] get_char((0x563acd73bee0), k)
   Exit: (221) [system] get_char((0x563acd73bee0), k)
   Call: (221) [system] k=(\)
   Fail: (221) [system] k=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _717312)
   Call: (222) [system] peek_char((0x563acd73bee0), _718246)
   Exit: (222) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _717312=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (221) [system] _703376=[k]
   Exit: (221) [system] [k]=[k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (220) [system] _689440=[n, k]
   Exit: (220) [system] [n, k]=[n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (219) [system] _675504=[i, n, k]
   Exit: (219) [system] [i, n, k]=[i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (218) [system] _661568=['L', i, n, k]
   Exit: (218) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (217) [system] _647632=[r, 'L', i, n, k]
   Exit: (217) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (216) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _612122)
^  Call: (217) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _741500)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_742452, _742454), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _741500), _742434, fail)), '$restore_trace'(_742452, _742454))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_742452, _742454))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _741500), _742434, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_741500)
   Fail: (218) [system] atomic(_741500)
   Call: (218) [system] atom_chars(_741500, ['O', r, 'L', i, n, k])
   Exit: (218) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (217) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (217) [system] integer('OrLink')
   Fail: (217) [system] integer('OrLink')
   Call: (217) [system] _612122='OrLink'
   Exit: (217) [system] 'OrLink'='OrLink'
^  Exit: (216) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (215) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (214) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (214) [user] read_list(')', (0x563acd73bee0), _756450)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _758308)
   Exit: (216) [system] peek_char((0x563acd73bee0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x563acd73bee0), _767902)
   Exit: (216) [system] get_char((0x563acd73bee0), ' ')
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _770606)
   Exit: (217) [system] peek_char((0x563acd73bee0), 'B')
   Call: (217) [system] 'B'=(;)
   Fail: (217) [system] 'B'=(;)
   Call: (217) [system] 'B'=(/)
   Fail: (217) [system] 'B'=(/)
^  Call: (217) [user] is_like_space('B')
   Call: (218) [system] char_type('B', 'white')
   Fail: (218) [system] char_type('B', 'white')
   Call: (218) [system] char_type('B', end_of_line)
   Fail: (218) [system] char_type('B', end_of_line)
   Call: (218) [system] char_type('B', space)
   Fail: (218) [system] char_type('B', space)
   Call: (218) [system] char_type('B', cntrl)
   Fail: (218) [system] char_type('B', cntrl)
^  Fail: (217) [user] is_like_space('B')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _787540)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'B')
   Call: (215) [system] 'B'=')'
   Fail: (215) [system] 'B'=')'
   Call: (215) [system] 'B'=end_of_file
   Fail: (215) [system] 'B'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x563acd73bee0), _793110)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _794968)
   Exit: (217) [system] peek_char((0x563acd73bee0), 'B')
   Call: (217) [system] 'B'=(;)
   Fail: (217) [system] 'B'=(;)
   Call: (217) [system] 'B'=(/)
   Fail: (217) [system] 'B'=(/)
^  Call: (217) [user] is_like_space('B')
   Call: (218) [system] char_type('B', 'white')
   Fail: (218) [system] char_type('B', 'white')
   Call: (218) [system] char_type('B', end_of_line)
   Fail: (218) [system] char_type('B', end_of_line)
   Call: (218) [system] char_type('B', space)
   Fail: (218) [system] char_type('B', space)
   Call: (218) [system] char_type('B', cntrl)
   Fail: (218) [system] char_type('B', cntrl)
^  Fail: (217) [user] is_like_space('B')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] get_char((0x563acd73bee0), _810978)
   Exit: (216) [system] get_char((0x563acd73bee0), 'B')
   Call: (216) [system] 'B'='('
   Fail: (216) [system] 'B'='('
   Call: (216) [system] 'B'='['
   Fail: (216) [system] 'B'='['
   Call: (216) [system] 'B'='{'
   Fail: (216) [system] 'B'='{'
   Call: (216) [system] 'B'='"'
   Fail: (216) [system] 'B'='"'
   Call: (216) [system] 'B'=!
   Fail: (216) [system] 'B'=!
   Call: (216) [system] 'B'='\''
   Fail: (216) [system] 'B'='\''
   Call: (216) [system] 'B'='`'
   Fail: (216) [system] 'B'='`'
   Call: (216) [system] 'B'=end_of_file
   Fail: (216) [system] 'B'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x563acd73bee0), 'B', _793110)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _828620)
   Call: (218) [system] peek_char((0x563acd73bee0), _829554)
   Exit: (218) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _828620=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (217) [user] classify_and_convert_charseq(['B'], _793110)
^  Call: (218) [user] classify_and_convert_charseq_(['B'], _838838)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_839790, _839792), once(user:catch(read_from_chars(['B'], _838838), _839772, fail)), '$restore_trace'(_839790, _839792))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_839790, _839792))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _838838), _839772, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_838838)
   Fail: (219) [system] atomic(_838838)
   Call: (219) [system] atom_chars(_838838, ['B'])
   Exit: (219) [system] atom_chars('B', ['B'])
^  Exit: (218) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (218) [system] integer('B')
   Fail: (218) [system] integer('B')
   Call: (218) [system] _793110='B'
   Exit: (218) [system] 'B'='B'
^  Exit: (217) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (216) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (215) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (215) [user] read_list(')', (0x563acd73bee0), _853788)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _855646)
   Exit: (217) [system] peek_char((0x563acd73bee0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x563acd73bee0), _865240)
   Exit: (217) [system] get_char((0x563acd73bee0), ' ')
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _867944)
   Exit: (218) [system] peek_char((0x563acd73bee0), 'A')
   Call: (218) [system] 'A'=(;)
   Fail: (218) [system] 'A'=(;)
   Call: (218) [system] 'A'=(/)
   Fail: (218) [system] 'A'=(/)
^  Call: (218) [user] is_like_space('A')
   Call: (219) [system] char_type('A', 'white')
   Fail: (219) [system] char_type('A', 'white')
   Call: (219) [system] char_type('A', end_of_line)
   Fail: (219) [system] char_type('A', end_of_line)
   Call: (219) [system] char_type('A', space)
   Fail: (219) [system] char_type('A', space)
   Call: (219) [system] char_type('A', cntrl)
   Fail: (219) [system] char_type('A', cntrl)
^  Fail: (218) [user] is_like_space('A')
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _884878)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'A')
   Call: (216) [system] 'A'=')'
   Fail: (216) [system] 'A'=')'
   Call: (216) [system] 'A'=end_of_file
   Fail: (216) [system] 'A'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x563acd73bee0), _890448)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _892306)
   Exit: (218) [system] peek_char((0x563acd73bee0), 'A')
   Call: (218) [system] 'A'=(;)
   Fail: (218) [system] 'A'=(;)
   Call: (218) [system] 'A'=(/)
   Fail: (218) [system] 'A'=(/)
^  Call: (218) [user] is_like_space('A')
   Call: (219) [system] char_type('A', 'white')
   Fail: (219) [system] char_type('A', 'white')
   Call: (219) [system] char_type('A', end_of_line)
   Fail: (219) [system] char_type('A', end_of_line)
   Call: (219) [system] char_type('A', space)
   Fail: (219) [system] char_type('A', space)
   Call: (219) [system] char_type('A', cntrl)
   Fail: (219) [system] char_type('A', cntrl)
^  Fail: (218) [user] is_like_space('A')
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] get_char((0x563acd73bee0), _908316)
   Exit: (217) [system] get_char((0x563acd73bee0), 'A')
   Call: (217) [system] 'A'='('
   Fail: (217) [system] 'A'='('
   Call: (217) [system] 'A'='['
   Fail: (217) [system] 'A'='['
   Call: (217) [system] 'A'='{'
   Fail: (217) [system] 'A'='{'
   Call: (217) [system] 'A'='"'
   Fail: (217) [system] 'A'='"'
   Call: (217) [system] 'A'=!
   Fail: (217) [system] 'A'=!
   Call: (217) [system] 'A'='\''
   Fail: (217) [system] 'A'='\''
   Call: (217) [system] 'A'='`'
   Fail: (217) [system] 'A'='`'
   Call: (217) [system] 'A'=end_of_file
   Fail: (217) [system] 'A'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x563acd73bee0), 'A', _890448)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _925958)
   Call: (219) [system] peek_char((0x563acd73bee0), _926892)
   Exit: (219) [system] peek_char((0x563acd73bee0), ')')
^  Call: (219) [user] is_delimiter(')')
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] arg(_931612, v('(', ')', end_of_file), ')')
   Exit: (220) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (219) [user] is_delimiter(')')
   Call: (219) [system] _925958=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (218) [user] classify_and_convert_charseq(['A'], _890448)
^  Call: (219) [user] classify_and_convert_charseq_(['A'], _938048)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_939000, _939002), once(user:catch(read_from_chars(['A'], _938048), _938982, fail)), '$restore_trace'(_939000, _939002))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_939000, _939002))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _938048), _938982, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_938048)
   Fail: (220) [system] atomic(_938048)
   Call: (220) [system] atom_chars(_938048, ['A'])
   Exit: (220) [system] atom_chars('A', ['A'])
^  Exit: (219) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (219) [system] integer('A')
   Fail: (219) [system] integer('A')
   Call: (219) [system] _890448='A'
   Exit: (219) [system] 'A'='A'
^  Exit: (218) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (217) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (216) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (216) [user] read_list(')', (0x563acd73bee0), _952998)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _954856)
   Exit: (218) [system] peek_char((0x563acd73bee0), ')')
   Call: (218) [system] ')'=(;)
   Fail: (218) [system] ')'=(;)
   Call: (218) [system] ')'=(/)
   Fail: (218) [system] ')'=(/)
^  Call: (218) [user] is_like_space(')')
   Call: (219) [system] char_type(')', 'white')
   Fail: (219) [system] char_type(')', 'white')
   Call: (219) [system] char_type(')', end_of_line)
   Fail: (219) [system] char_type(')', end_of_line)
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] char_type(')', cntrl)
   Fail: (219) [system] char_type(')', cntrl)
^  Fail: (218) [user] is_like_space(')')
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _970866)
   Exit: (217) [system] peek_char((0x563acd73bee0), ')')
   Call: (217) [system] ')'=')'
   Exit: (217) [system] ')'=')'
   Call: (217) [system] get_char((0x563acd73bee0), _974656)
   Exit: (217) [system] get_char((0x563acd73bee0), ')')
   Call: (217) [system] _952998=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_list(')', (0x563acd73bee0), [])
   Call: (216) [system] _853788=['A']
   Exit: (216) [system] ['A']=['A']
^  Exit: (215) [user] read_list(')', (0x563acd73bee0), ['A'])
   Call: (215) [system] _756450=['B', 'A']
   Exit: (215) [system] ['B', 'A']=['B', 'A']
^  Exit: (214) [user] read_list(')', (0x563acd73bee0), ['B', 'A'])
   Call: (214) [system] _567104=['OrLink', 'B', 'A']
   Exit: (214) [system] ['OrLink', 'B', 'A']=['OrLink', 'B', 'A']
^  Exit: (213) [user] read_list(')', (0x563acd73bee0), ['OrLink', 'B', 'A'])
^  Exit: (212) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', 'B', 'A'])
^  Call: (212) [user] read_list(')', (0x563acd73bee0), _988538)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _990396)
   Exit: (214) [system] peek_char((0x563acd73bee0), ')')
   Call: (214) [system] ')'=(;)
   Fail: (214) [system] ')'=(;)
   Call: (214) [system] ')'=(/)
   Fail: (214) [system] ')'=(/)
^  Call: (214) [user] is_like_space(')')
   Call: (215) [system] char_type(')', 'white')
   Fail: (215) [system] char_type(')', 'white')
   Call: (215) [system] char_type(')', end_of_line)
   Fail: (215) [system] char_type(')', end_of_line)
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] char_type(')', cntrl)
   Fail: (215) [system] char_type(')', cntrl)
^  Fail: (214) [user] is_like_space(')')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1006406)
   Exit: (213) [system] peek_char((0x563acd73bee0), ')')
   Call: (213) [system] ')'=')'
   Exit: (213) [system] ')'=')'
   Call: (213) [system] get_char((0x563acd73bee0), _1010196)
   Exit: (213) [system] get_char((0x563acd73bee0), ')')
   Call: (213) [system] _988538=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_list(')', (0x563acd73bee0), [])
   Call: (212) [system] _530444=[['OrLink', 'B', 'A']]
   Exit: (212) [system] [['OrLink', 'B', 'A']]=[['OrLink', 'B', 'A']]
^  Exit: (211) [user] read_list(')', (0x563acd73bee0), [['OrLink', 'B', 'A']])
   Call: (211) [system] _5362=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]
   Exit: (211) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]
^  Exit: (210) [user] read_list(')', (0x563acd73bee0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']])
   Call: (210) [system] _5354=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]
   Exit: (210) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]
^  Exit: (209) [user] read_list(')', (0x563acd73bee0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']])
^  Exit: (208) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']])
^  Call: (208) [user] read_list(')', (0x563acd73bee0), _1024078)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1025936)
   Exit: (210) [system] peek_char((0x563acd73bee0), ')')
   Call: (210) [system] ')'=(;)
   Fail: (210) [system] ')'=(;)
   Call: (210) [system] ')'=(/)
   Fail: (210) [system] ')'=(/)
^  Call: (210) [user] is_like_space(')')
   Call: (211) [system] char_type(')', 'white')
   Fail: (211) [system] char_type(')', 'white')
   Call: (211) [system] char_type(')', end_of_line)
   Fail: (211) [system] char_type(')', end_of_line)
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] char_type(')', cntrl)
   Fail: (211) [system] char_type(')', cntrl)
^  Fail: (210) [user] is_like_space(')')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1041946)
   Exit: (209) [system] peek_char((0x563acd73bee0), ')')
   Call: (209) [system] ')'=')'
   Exit: (209) [system] ')'=')'
   Call: (209) [system] get_char((0x563acd73bee0), _1045736)
   Exit: (209) [system] get_char((0x563acd73bee0), ')')
   Call: (209) [system] _1024078=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_list(')', (0x563acd73bee0), [])
   Call: (208) [system] _5350=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]]
   Exit: (208) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]]
^  Exit: (207) [user] read_list(')', (0x563acd73bee0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]])
   Call: (207) [system] _5308=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]]
   Exit: (207) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]]
^  Exit: (206) [user] read_list(')', (0x563acd73bee0), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]])
   Call: (206) [system] _5300=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]]
   Exit: (206) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]]
^  Exit: (205) [user] read_list(')', (0x563acd73bee0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]])
^  Exit: (204) [user] cont_sexpr(')', (0x563acd73bee0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]])
^  Call: (204) [user] read_list(')', (0x563acd73bee0), _1059618)
^  Call: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1061476)
   Exit: (206) [system] peek_char((0x563acd73bee0), '\n')
   Call: (206) [system] '\n'=(;)
   Fail: (206) [system] '\n'=(;)
   Call: (206) [system] '\n'=(/)
   Fail: (206) [system] '\n'=(/)
^  Call: (206) [user] is_like_space('\n')
   Call: (207) [system] char_type('\n', 'white')
   Fail: (207) [system] char_type('\n', 'white')
   Call: (207) [system] char_type('\n', end_of_line)
   Exit: (207) [system] char_type('\n', end_of_line)
^  Exit: (206) [user] is_like_space('\n')
   Call: (206) [system] get_char((0x563acd73bee0), _1072926)
   Exit: (206) [system] get_char((0x563acd73bee0), '\n')
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1075630)
   Exit: (207) [system] peek_char((0x563acd73bee0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
   Call: (207) [system] ' '=(/)
   Fail: (207) [system] ' '=(/)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x563acd73bee0), _1085224)
   Exit: (207) [system] get_char((0x563acd73bee0), ' ')
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1087928)
   Exit: (208) [system] peek_char((0x563acd73bee0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
^  Exit: (205) [user] skip_spaces((0x563acd73bee0))
   Call: (205) [system] peek_char((0x563acd73bee0), _1105786)
   Exit: (205) [system] peek_char((0x563acd73bee0), '(')
   Call: (205) [system] '('=')'
   Fail: (205) [system] '('=')'
   Call: (205) [system] '('=end_of_file
   Fail: (205) [system] '('=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x563acd73bee0), _1111356)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1113214)
   Exit: (207) [system] peek_char((0x563acd73bee0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
   Call: (207) [system] '('=(/)
   Fail: (207) [system] '('=(/)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] get_char((0x563acd73bee0), _1129224)
   Exit: (206) [system] get_char((0x563acd73bee0), '(')
   Call: (206) [system] '('='('
   Exit: (206) [system] '('='('
^  Call: (206) [user] read_list(')', (0x563acd73bee0), _1111356)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1134794)
   Exit: (208) [system] peek_char((0x563acd73bee0), :)
   Call: (208) [system] (:)=(;)
   Fail: (208) [system] (:)=(;)
   Call: (208) [system] (:)=(/)
   Fail: (208) [system] (:)=(/)
^  Call: (208) [user] is_like_space(:)
   Call: (209) [system] char_type(:, 'white')
   Fail: (209) [system] char_type(:, 'white')
   Call: (209) [system] char_type(:, end_of_line)
   Fail: (209) [system] char_type(:, end_of_line)
   Call: (209) [system] char_type(:, space)
   Fail: (209) [system] char_type(:, space)
   Call: (209) [system] char_type(:, cntrl)
   Fail: (209) [system] char_type(:, cntrl)
^  Fail: (208) [user] is_like_space(:)
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1150804)
   Exit: (207) [system] peek_char((0x563acd73bee0), :)
   Call: (207) [system] (:)=')'
   Fail: (207) [system] (:)=')'
   Call: (207) [system] (:)=end_of_file
   Fail: (207) [system] (:)=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x563acd73bee0), _1156374)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1158232)
   Exit: (209) [system] peek_char((0x563acd73bee0), :)
   Call: (209) [system] (:)=(;)
   Fail: (209) [system] (:)=(;)
   Call: (209) [system] (:)=(/)
   Fail: (209) [system] (:)=(/)
^  Call: (209) [user] is_like_space(:)
   Call: (210) [system] char_type(:, 'white')
   Fail: (210) [system] char_type(:, 'white')
   Call: (210) [system] char_type(:, end_of_line)
   Fail: (210) [system] char_type(:, end_of_line)
   Call: (210) [system] char_type(:, space)
   Fail: (210) [system] char_type(:, space)
   Call: (210) [system] char_type(:, cntrl)
   Fail: (210) [system] char_type(:, cntrl)
^  Fail: (209) [user] is_like_space(:)
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] get_char((0x563acd73bee0), _1174242)
   Exit: (208) [system] get_char((0x563acd73bee0), :)
   Call: (208) [system] (:)='('
   Fail: (208) [system] (:)='('
   Call: (208) [system] (:)='['
   Fail: (208) [system] (:)='['
   Call: (208) [system] (:)='{'
   Fail: (208) [system] (:)='{'
   Call: (208) [system] (:)='"'
   Fail: (208) [system] (:)='"'
   Call: (208) [system] (:)=!
   Fail: (208) [system] (:)=!
   Call: (208) [system] (:)='\''
   Fail: (208) [system] (:)='\''
   Call: (208) [system] (:)='`'
   Fail: (208) [system] (:)='`'
   Call: (208) [system] (:)=end_of_file
   Fail: (208) [system] (:)=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x563acd73bee0), :, _1156374)
^  Call: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), _1191884)
   Call: (210) [system] peek_char((0x563acd73bee0), _1192818)
   Exit: (210) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1191884=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (209) [user] classify_and_convert_charseq([:], _1156374)
^  Call: (210) [user] classify_and_convert_charseq_([:], _1202102)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1203054, _1203056), once(user:catch(read_from_chars([:], _1202102), _1203036, fail)), '$restore_trace'(_1203054, _1203056))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1203054, _1203056))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1203036, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(:)
   Exit: (211) [system] atomic(:)
^  Exit: (210) [user] classify_and_convert_charseq_([:], :)
   Call: (210) [system] integer(:)
   Fail: (210) [system] integer(:)
   Call: (210) [system] _1156374=(:)
   Exit: (210) [system] (:)=(:)
^  Exit: (209) [user] classify_and_convert_charseq([:], :)
^  Exit: (208) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (207) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (207) [user] read_list(')', (0x563acd73bee0), _1215182)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1217040)
   Exit: (209) [system] peek_char((0x563acd73bee0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x563acd73bee0), _1226634)
   Exit: (209) [system] get_char((0x563acd73bee0), ' ')
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1229338)
   Exit: (210) [system] peek_char((0x563acd73bee0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1246272)
   Exit: (208) [system] peek_char((0x563acd73bee0), '(')
   Call: (208) [system] '('=')'
   Fail: (208) [system] '('=')'
   Call: (208) [system] '('=end_of_file
   Fail: (208) [system] '('=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x563acd73bee0), _1251842)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1253700)
   Exit: (210) [system] peek_char((0x563acd73bee0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] get_char((0x563acd73bee0), _1269710)
   Exit: (209) [system] get_char((0x563acd73bee0), '(')
   Call: (209) [system] '('='('
   Exit: (209) [system] '('='('
^  Call: (209) [user] read_list(')', (0x563acd73bee0), _1251842)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1275280)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'D')
   Call: (211) [system] 'D'=(;)
   Fail: (211) [system] 'D'=(;)
   Call: (211) [system] 'D'=(/)
   Fail: (211) [system] 'D'=(/)
^  Call: (211) [user] is_like_space('D')
   Call: (212) [system] char_type('D', 'white')
   Fail: (212) [system] char_type('D', 'white')
   Call: (212) [system] char_type('D', end_of_line)
   Fail: (212) [system] char_type('D', end_of_line)
   Call: (212) [system] char_type('D', space)
   Fail: (212) [system] char_type('D', space)
   Call: (212) [system] char_type('D', cntrl)
   Fail: (212) [system] char_type('D', cntrl)
^  Fail: (211) [user] is_like_space('D')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1291290)
   Exit: (210) [system] peek_char((0x563acd73bee0), 'D')
   Call: (210) [system] 'D'=')'
   Fail: (210) [system] 'D'=')'
   Call: (210) [system] 'D'=end_of_file
   Fail: (210) [system] 'D'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x563acd73bee0), _1296860)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1298718)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'D')
   Call: (212) [system] 'D'=(;)
   Fail: (212) [system] 'D'=(;)
   Call: (212) [system] 'D'=(/)
   Fail: (212) [system] 'D'=(/)
^  Call: (212) [user] is_like_space('D')
   Call: (213) [system] char_type('D', 'white')
   Fail: (213) [system] char_type('D', 'white')
   Call: (213) [system] char_type('D', end_of_line)
   Fail: (213) [system] char_type('D', end_of_line)
   Call: (213) [system] char_type('D', space)
   Fail: (213) [system] char_type('D', space)
   Call: (213) [system] char_type('D', cntrl)
   Fail: (213) [system] char_type('D', cntrl)
^  Fail: (212) [user] is_like_space('D')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] get_char((0x563acd73bee0), _1314728)
   Exit: (211) [system] get_char((0x563acd73bee0), 'D')
   Call: (211) [system] 'D'='('
   Fail: (211) [system] 'D'='('
   Call: (211) [system] 'D'='['
   Fail: (211) [system] 'D'='['
   Call: (211) [system] 'D'='{'
   Fail: (211) [system] 'D'='{'
   Call: (211) [system] 'D'='"'
   Fail: (211) [system] 'D'='"'
   Call: (211) [system] 'D'=!
   Fail: (211) [system] 'D'=!
   Call: (211) [system] 'D'='\''
   Fail: (211) [system] 'D'='\''
   Call: (211) [system] 'D'='`'
   Fail: (211) [system] 'D'='`'
   Call: (211) [system] 'D'=end_of_file
   Fail: (211) [system] 'D'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x563acd73bee0), 'D', _1296860)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _1332370)
   Call: (213) [system] peek_char((0x563acd73bee0), _1333304)
   Exit: (213) [system] peek_char((0x563acd73bee0), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Fail: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_1338024, v('(', ')', end_of_file), i)
   Fail: (214) [system] arg(_1338956, v('(', ')', end_of_file), i)
^  Fail: (213) [user] is_delimiter(i)
   Call: (213) [system] ')'==i
   Fail: (213) [system] ')'==i
   Call: (213) [system] get_char((0x563acd73bee0), i)
   Exit: (213) [system] get_char((0x563acd73bee0), i)
   Call: (213) [system] i=(\)
   Fail: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _1346306)
   Call: (214) [system] peek_char((0x563acd73bee0), _1347240)
   Exit: (214) [system] peek_char((0x563acd73bee0), s)
^  Call: (214) [user] is_delimiter(s)
   Call: (215) [system] char_type(s, space)
   Fail: (215) [system] char_type(s, space)
   Call: (215) [system] arg(_1351960, v('(', ')', end_of_file), s)
   Fail: (215) [system] arg(_1352892, v('(', ')', end_of_file), s)
^  Fail: (214) [user] is_delimiter(s)
   Call: (214) [system] ')'==s
   Fail: (214) [system] ')'==s
   Call: (214) [system] get_char((0x563acd73bee0), s)
   Exit: (214) [system] get_char((0x563acd73bee0), s)
   Call: (214) [system] s=(\)
   Fail: (214) [system] s=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _1360242)
   Call: (215) [system] peek_char((0x563acd73bee0), _1361176)
   Exit: (215) [system] peek_char((0x563acd73bee0), j)
^  Call: (215) [user] is_delimiter(j)
   Call: (216) [system] char_type(j, space)
   Fail: (216) [system] char_type(j, space)
   Call: (216) [system] arg(_1365896, v('(', ')', end_of_file), j)
   Fail: (216) [system] arg(_1366828, v('(', ')', end_of_file), j)
^  Fail: (215) [user] is_delimiter(j)
   Call: (215) [system] ')'==j
   Fail: (215) [system] ')'==j
   Call: (215) [system] get_char((0x563acd73bee0), j)
   Exit: (215) [system] get_char((0x563acd73bee0), j)
   Call: (215) [system] j=(\)
   Fail: (215) [system] j=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _1374178)
   Call: (216) [system] peek_char((0x563acd73bee0), _1375112)
   Exit: (216) [system] peek_char((0x563acd73bee0), u)
^  Call: (216) [user] is_delimiter(u)
   Call: (217) [system] char_type(u, space)
   Fail: (217) [system] char_type(u, space)
   Call: (217) [system] arg(_1379832, v('(', ')', end_of_file), u)
   Fail: (217) [system] arg(_1380764, v('(', ')', end_of_file), u)
^  Fail: (216) [user] is_delimiter(u)
   Call: (216) [system] ')'==u
   Fail: (216) [system] ')'==u
   Call: (216) [system] get_char((0x563acd73bee0), u)
   Exit: (216) [system] get_char((0x563acd73bee0), u)
   Call: (216) [system] u=(\)
   Fail: (216) [system] u=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _1388114)
   Call: (217) [system] peek_char((0x563acd73bee0), _1389048)
   Exit: (217) [system] peek_char((0x563acd73bee0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_1393768, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_1394700, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x563acd73bee0), n)
   Exit: (217) [system] get_char((0x563acd73bee0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _1402050)
   Call: (218) [system] peek_char((0x563acd73bee0), _1402984)
   Exit: (218) [system] peek_char((0x563acd73bee0), c)
^  Call: (218) [user] is_delimiter(c)
   Call: (219) [system] char_type(c, space)
   Fail: (219) [system] char_type(c, space)
   Call: (219) [system] arg(_1407704, v('(', ')', end_of_file), c)
   Fail: (219) [system] arg(_1408636, v('(', ')', end_of_file), c)
^  Fail: (218) [user] is_delimiter(c)
   Call: (218) [system] ')'==c
   Fail: (218) [system] ')'==c
   Call: (218) [system] get_char((0x563acd73bee0), c)
   Exit: (218) [system] get_char((0x563acd73bee0), c)
   Call: (218) [system] c=(\)
   Fail: (218) [system] c=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _1415986)
   Call: (219) [system] peek_char((0x563acd73bee0), _1416920)
   Exit: (219) [system] peek_char((0x563acd73bee0), t)
^  Call: (219) [user] is_delimiter(t)
   Call: (220) [system] char_type(t, space)
   Fail: (220) [system] char_type(t, space)
   Call: (220) [system] arg(_1421640, v('(', ')', end_of_file), t)
   Fail: (220) [system] arg(_1422572, v('(', ')', end_of_file), t)
^  Fail: (219) [user] is_delimiter(t)
   Call: (219) [system] ')'==t
   Fail: (219) [system] ')'==t
   Call: (219) [system] get_char((0x563acd73bee0), t)
   Exit: (219) [system] get_char((0x563acd73bee0), t)
   Call: (219) [system] t=(\)
   Fail: (219) [system] t=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _1429922)
   Call: (220) [system] peek_char((0x563acd73bee0), _1430856)
   Exit: (220) [system] peek_char((0x563acd73bee0), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_1435576, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_1436508, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x563acd73bee0), i)
   Exit: (220) [system] get_char((0x563acd73bee0), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _1443858)
   Call: (221) [system] peek_char((0x563acd73bee0), _1444792)
   Exit: (221) [system] peek_char((0x563acd73bee0), o)
^  Call: (221) [user] is_delimiter(o)
   Call: (222) [system] char_type(o, space)
   Fail: (222) [system] char_type(o, space)
   Call: (222) [system] arg(_1449512, v('(', ')', end_of_file), o)
   Fail: (222) [system] arg(_1450444, v('(', ')', end_of_file), o)
^  Fail: (221) [user] is_delimiter(o)
   Call: (221) [system] ')'==o
   Fail: (221) [system] ')'==o
   Call: (221) [system] get_char((0x563acd73bee0), o)
   Exit: (221) [system] get_char((0x563acd73bee0), o)
   Call: (221) [system] o=(\)
   Fail: (221) [system] o=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _1457794)
   Call: (222) [system] peek_char((0x563acd73bee0), _1458728)
   Exit: (222) [system] peek_char((0x563acd73bee0), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_1463448, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_1464380, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x563acd73bee0), n)
   Exit: (222) [system] get_char((0x563acd73bee0), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _1471730)
   Call: (223) [system] peek_char((0x563acd73bee0), _1472664)
   Exit: (223) [system] peek_char((0x563acd73bee0), 'I')
^  Call: (223) [user] is_delimiter('I')
   Call: (224) [system] char_type('I', space)
   Fail: (224) [system] char_type('I', space)
   Call: (224) [system] arg(_1477384, v('(', ')', end_of_file), 'I')
   Fail: (224) [system] arg(_1478316, v('(', ')', end_of_file), 'I')
^  Fail: (223) [user] is_delimiter('I')
   Call: (223) [system] ')'=='I'
   Fail: (223) [system] ')'=='I'
   Call: (223) [system] get_char((0x563acd73bee0), 'I')
   Exit: (223) [system] get_char((0x563acd73bee0), 'I')
   Call: (223) [system] 'I'=(\)
   Fail: (223) [system] 'I'=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _1485666)
   Call: (224) [system] peek_char((0x563acd73bee0), _1486600)
   Exit: (224) [system] peek_char((0x563acd73bee0), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_1491320, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_1492252, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x563acd73bee0), n)
   Exit: (224) [system] get_char((0x563acd73bee0), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _1499602)
   Call: (225) [system] peek_char((0x563acd73bee0), _1500536)
   Exit: (225) [system] peek_char((0x563acd73bee0), t)
^  Call: (225) [user] is_delimiter(t)
   Call: (226) [system] char_type(t, space)
   Fail: (226) [system] char_type(t, space)
   Call: (226) [system] arg(_1505256, v('(', ')', end_of_file), t)
   Fail: (226) [system] arg(_1506188, v('(', ')', end_of_file), t)
^  Fail: (225) [user] is_delimiter(t)
   Call: (225) [system] ')'==t
   Fail: (225) [system] ')'==t
   Call: (225) [system] get_char((0x563acd73bee0), t)
   Exit: (225) [system] get_char((0x563acd73bee0), t)
   Call: (225) [system] t=(\)
   Fail: (225) [system] t=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _1513538)
   Call: (226) [system] peek_char((0x563acd73bee0), _1514472)
   Exit: (226) [system] peek_char((0x563acd73bee0), r)
^  Call: (226) [user] is_delimiter(r)
   Call: (227) [system] char_type(r, space)
   Fail: (227) [system] char_type(r, space)
   Call: (227) [system] arg(_1519192, v('(', ')', end_of_file), r)
   Fail: (227) [system] arg(_1520124, v('(', ')', end_of_file), r)
^  Fail: (226) [user] is_delimiter(r)
   Call: (226) [system] ')'==r
   Fail: (226) [system] ')'==r
   Call: (226) [system] get_char((0x563acd73bee0), r)
   Exit: (226) [system] get_char((0x563acd73bee0), r)
   Call: (226) [system] r=(\)
   Fail: (226) [system] r=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _1527474)
   Call: (227) [system] peek_char((0x563acd73bee0), _1528408)
   Exit: (227) [system] peek_char((0x563acd73bee0), o)
^  Call: (227) [user] is_delimiter(o)
   Call: (228) [system] char_type(o, space)
   Fail: (228) [system] char_type(o, space)
   Call: (228) [system] arg(_1533128, v('(', ')', end_of_file), o)
   Fail: (228) [system] arg(_1534060, v('(', ')', end_of_file), o)
^  Fail: (227) [user] is_delimiter(o)
   Call: (227) [system] ')'==o
   Fail: (227) [system] ')'==o
   Call: (227) [system] get_char((0x563acd73bee0), o)
   Exit: (227) [system] get_char((0x563acd73bee0), o)
   Call: (227) [system] o=(\)
   Fail: (227) [system] o=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _1541410)
   Call: (228) [system] peek_char((0x563acd73bee0), _1542344)
   Exit: (228) [system] peek_char((0x563acd73bee0), d)
^  Call: (228) [user] is_delimiter(d)
   Call: (229) [system] char_type(d, space)
   Fail: (229) [system] char_type(d, space)
   Call: (229) [system] arg(_1547064, v('(', ')', end_of_file), d)
   Fail: (229) [system] arg(_1547996, v('(', ')', end_of_file), d)
^  Fail: (228) [user] is_delimiter(d)
   Call: (228) [system] ')'==d
   Fail: (228) [system] ')'==d
   Call: (228) [system] get_char((0x563acd73bee0), d)
   Exit: (228) [system] get_char((0x563acd73bee0), d)
   Call: (228) [system] d=(\)
   Fail: (228) [system] d=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _1555346)
   Call: (229) [system] peek_char((0x563acd73bee0), _1556280)
   Exit: (229) [system] peek_char((0x563acd73bee0), u)
^  Call: (229) [user] is_delimiter(u)
   Call: (230) [system] char_type(u, space)
   Fail: (230) [system] char_type(u, space)
   Call: (230) [system] arg(_1561000, v('(', ')', end_of_file), u)
   Fail: (230) [system] arg(_1561932, v('(', ')', end_of_file), u)
^  Fail: (229) [user] is_delimiter(u)
   Call: (229) [system] ')'==u
   Fail: (229) [system] ')'==u
   Call: (229) [system] get_char((0x563acd73bee0), u)
   Exit: (229) [system] get_char((0x563acd73bee0), u)
   Call: (229) [system] u=(\)
   Fail: (229) [system] u=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _1569282)
   Call: (230) [system] peek_char((0x563acd73bee0), _1570216)
   Exit: (230) [system] peek_char((0x563acd73bee0), c)
^  Call: (230) [user] is_delimiter(c)
   Call: (231) [system] char_type(c, space)
   Fail: (231) [system] char_type(c, space)
   Call: (231) [system] arg(_1574936, v('(', ')', end_of_file), c)
   Fail: (231) [system] arg(_1575868, v('(', ')', end_of_file), c)
^  Fail: (230) [user] is_delimiter(c)
   Call: (230) [system] ')'==c
   Fail: (230) [system] ')'==c
   Call: (230) [system] get_char((0x563acd73bee0), c)
   Exit: (230) [system] get_char((0x563acd73bee0), c)
   Call: (230) [system] c=(\)
   Fail: (230) [system] c=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _1583218)
   Call: (231) [system] peek_char((0x563acd73bee0), _1584152)
   Exit: (231) [system] peek_char((0x563acd73bee0), t)
^  Call: (231) [user] is_delimiter(t)
   Call: (232) [system] char_type(t, space)
   Fail: (232) [system] char_type(t, space)
   Call: (232) [system] arg(_1588872, v('(', ')', end_of_file), t)
   Fail: (232) [system] arg(_1589804, v('(', ')', end_of_file), t)
^  Fail: (231) [user] is_delimiter(t)
   Call: (231) [system] ')'==t
   Fail: (231) [system] ')'==t
   Call: (231) [system] get_char((0x563acd73bee0), t)
   Exit: (231) [system] get_char((0x563acd73bee0), t)
   Call: (231) [system] t=(\)
   Fail: (231) [system] t=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _1597154)
   Call: (232) [system] peek_char((0x563acd73bee0), _1598088)
   Exit: (232) [system] peek_char((0x563acd73bee0), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Fail: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_1602808, v('(', ')', end_of_file), i)
   Fail: (233) [system] arg(_1603740, v('(', ')', end_of_file), i)
^  Fail: (232) [user] is_delimiter(i)
   Call: (232) [system] ')'==i
   Fail: (232) [system] ')'==i
   Call: (232) [system] get_char((0x563acd73bee0), i)
   Exit: (232) [system] get_char((0x563acd73bee0), i)
   Call: (232) [system] i=(\)
   Fail: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _1611090)
   Call: (233) [system] peek_char((0x563acd73bee0), _1612024)
   Exit: (233) [system] peek_char((0x563acd73bee0), o)
^  Call: (233) [user] is_delimiter(o)
   Call: (234) [system] char_type(o, space)
   Fail: (234) [system] char_type(o, space)
   Call: (234) [system] arg(_1616744, v('(', ')', end_of_file), o)
   Fail: (234) [system] arg(_1617676, v('(', ')', end_of_file), o)
^  Fail: (233) [user] is_delimiter(o)
   Call: (233) [system] ')'==o
   Fail: (233) [system] ')'==o
   Call: (233) [system] get_char((0x563acd73bee0), o)
   Exit: (233) [system] get_char((0x563acd73bee0), o)
   Call: (233) [system] o=(\)
   Fail: (233) [system] o=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), _1625026)
   Call: (234) [system] peek_char((0x563acd73bee0), _1625960)
   Exit: (234) [system] peek_char((0x563acd73bee0), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Fail: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_1630680, v('(', ')', end_of_file), n)
   Fail: (235) [system] arg(_1631612, v('(', ')', end_of_file), n)
^  Fail: (234) [user] is_delimiter(n)
   Call: (234) [system] ')'==n
   Fail: (234) [system] ')'==n
   Call: (234) [system] get_char((0x563acd73bee0), n)
   Exit: (234) [system] get_char((0x563acd73bee0), n)
   Call: (234) [system] n=(\)
   Fail: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), _1638962)
   Call: (235) [system] peek_char((0x563acd73bee0), _1639896)
   Exit: (235) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (235) [user] is_delimiter(' ')
   Call: (236) [system] char_type(' ', space)
   Exit: (236) [system] char_type(' ', space)
^  Exit: (235) [user] is_delimiter(' ')
   Call: (235) [system] _1638962=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (234) [system] _1625026=[n]
   Exit: (234) [system] [n]=[n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (233) [system] _1611090=[o, n]
   Exit: (233) [system] [o, n]=[o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (232) [system] _1597154=[i, o, n]
   Exit: (232) [system] [i, o, n]=[i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (231) [system] _1583218=[t, i, o, n]
   Exit: (231) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (230) [system] _1569282=[c, t, i, o, n]
   Exit: (230) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n])
   Call: (229) [system] _1555346=[u, c, t, i, o, n]
   Exit: (229) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, i, o, n])
   Call: (228) [system] _1541410=[d, u, c, t, i, o, n]
   Exit: (228) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, u, c, t, i, o, n])
   Call: (227) [system] _1527474=[o, d, u, c, t, i, o, n]
   Exit: (227) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, d, u, c, t, i, o, n])
   Call: (226) [system] _1513538=[r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _1499602=[t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1485666=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1471730=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1457794=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1443858=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1429922=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1415986=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1402050=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1388114=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1374178=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1360242=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _1346306=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1332370=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (212) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1296860)
^  Call: (213) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1710648)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_1711600, _1711602), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1710648), _1711582, fail)), '$restore_trace'(_1711600, _1711602))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_1711600, _1711602))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1710648), _1711582, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_1710648)
   Fail: (214) [system] atomic(_1710648)
   Call: (214) [system] atom_chars(_1710648, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (214) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (213) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (213) [system] integer('DisjunctionIntroduction')
   Fail: (213) [system] integer('DisjunctionIntroduction')
   Call: (213) [system] _1296860='DisjunctionIntroduction'
   Exit: (213) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (212) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (211) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'DisjunctionIntroduction')
^  Exit: (210) [user] cont_sexpr(')', (0x563acd73bee0), 'DisjunctionIntroduction')
^  Call: (210) [user] read_list(')', (0x563acd73bee0), _1725598)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1727456)
   Exit: (212) [system] peek_char((0x563acd73bee0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x563acd73bee0), _1737050)
   Exit: (212) [system] get_char((0x563acd73bee0), ' ')
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1739754)
   Exit: (213) [system] peek_char((0x563acd73bee0), a)
   Call: (213) [system] a=(;)
   Fail: (213) [system] a=(;)
   Call: (213) [system] a=(/)
   Fail: (213) [system] a=(/)
^  Call: (213) [user] is_like_space(a)
   Call: (214) [system] char_type(a, 'white')
   Fail: (214) [system] char_type(a, 'white')
   Call: (214) [system] char_type(a, end_of_line)
   Fail: (214) [system] char_type(a, end_of_line)
   Call: (214) [system] char_type(a, space)
   Fail: (214) [system] char_type(a, space)
   Call: (214) [system] char_type(a, cntrl)
   Fail: (214) [system] char_type(a, cntrl)
^  Fail: (213) [user] is_like_space(a)
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1756688)
   Exit: (211) [system] peek_char((0x563acd73bee0), a)
   Call: (211) [system] a=')'
   Fail: (211) [system] a=')'
   Call: (211) [system] a=end_of_file
   Fail: (211) [system] a=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x563acd73bee0), _1762258)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1764116)
   Exit: (213) [system] peek_char((0x563acd73bee0), a)
   Call: (213) [system] a=(;)
   Fail: (213) [system] a=(;)
   Call: (213) [system] a=(/)
   Fail: (213) [system] a=(/)
^  Call: (213) [user] is_like_space(a)
   Call: (214) [system] char_type(a, 'white')
   Fail: (214) [system] char_type(a, 'white')
   Call: (214) [system] char_type(a, end_of_line)
   Fail: (214) [system] char_type(a, end_of_line)
   Call: (214) [system] char_type(a, space)
   Fail: (214) [system] char_type(a, space)
   Call: (214) [system] char_type(a, cntrl)
   Fail: (214) [system] char_type(a, cntrl)
^  Fail: (213) [user] is_like_space(a)
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] get_char((0x563acd73bee0), _1780126)
   Exit: (212) [system] get_char((0x563acd73bee0), a)
   Call: (212) [system] a='('
   Fail: (212) [system] a='('
   Call: (212) [system] a='['
   Fail: (212) [system] a='['
   Call: (212) [system] a='{'
   Fail: (212) [system] a='{'
   Call: (212) [system] a='"'
   Fail: (212) [system] a='"'
   Call: (212) [system] a=!
   Fail: (212) [system] a=!
   Call: (212) [system] a='\''
   Fail: (212) [system] a='\''
   Call: (212) [system] a='`'
   Fail: (212) [system] a='`'
   Call: (212) [system] a=end_of_file
   Fail: (212) [system] a=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x563acd73bee0), a, _1762258)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _1797768)
   Call: (214) [system] peek_char((0x563acd73bee0), _1798702)
   Exit: (214) [system] peek_char((0x563acd73bee0), b)
^  Call: (214) [user] is_delimiter(b)
   Call: (215) [system] char_type(b, space)
   Fail: (215) [system] char_type(b, space)
   Call: (215) [system] arg(_1803422, v('(', ')', end_of_file), b)
   Fail: (215) [system] arg(_1804354, v('(', ')', end_of_file), b)
^  Fail: (214) [user] is_delimiter(b)
   Call: (214) [system] ')'==b
   Fail: (214) [system] ')'==b
   Call: (214) [system] get_char((0x563acd73bee0), b)
   Exit: (214) [system] get_char((0x563acd73bee0), b)
   Call: (214) [system] b=(\)
   Fail: (214) [system] b=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _1811704)
   Call: (215) [system] peek_char((0x563acd73bee0), _1812638)
   Exit: (215) [system] peek_char((0x563acd73bee0), c)
^  Call: (215) [user] is_delimiter(c)
   Call: (216) [system] char_type(c, space)
   Fail: (216) [system] char_type(c, space)
   Call: (216) [system] arg(_1817358, v('(', ')', end_of_file), c)
   Fail: (216) [system] arg(_1818290, v('(', ')', end_of_file), c)
^  Fail: (215) [user] is_delimiter(c)
   Call: (215) [system] ')'==c
   Fail: (215) [system] ')'==c
   Call: (215) [system] get_char((0x563acd73bee0), c)
   Exit: (215) [system] get_char((0x563acd73bee0), c)
   Call: (215) [system] c=(\)
   Fail: (215) [system] c=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _1825640)
   Call: (216) [system] peek_char((0x563acd73bee0), _1826574)
   Exit: (216) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _1825640=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (215) [system] _1811704=[c]
   Exit: (215) [system] [c]=[c]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [c])
   Call: (214) [system] _1797768=[b, c]
   Exit: (214) [system] [b, c]=[b, c]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [b, c])
^  Call: (213) [user] classify_and_convert_charseq([a, b, c], _1762258)
^  Call: (214) [user] classify_and_convert_charseq_([a, b, c], _1841446)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1842398, _1842400), once(user:catch(read_from_chars([a, b, c], _1841446), _1842380, fail)), '$restore_trace'(_1842398, _1842400))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1842398, _1842400))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1842380, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(abc)
   Exit: (215) [system] atomic(abc)
^  Exit: (214) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (214) [system] integer(abc)
   Fail: (214) [system] integer(abc)
   Call: (214) [system] _1762258=abc
   Exit: (214) [system] abc=abc
^  Exit: (213) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (212) [user] read_symbolic(')', (0x563acd73bee0), a, abc)
^  Exit: (211) [user] cont_sexpr(')', (0x563acd73bee0), abc)
^  Call: (211) [user] read_list(')', (0x563acd73bee0), _1854526)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1856384)
   Exit: (213) [system] peek_char((0x563acd73bee0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x563acd73bee0), _1865978)
   Exit: (213) [system] get_char((0x563acd73bee0), ' ')
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1868682)
   Exit: (214) [system] peek_char((0x563acd73bee0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1885616)
   Exit: (212) [system] peek_char((0x563acd73bee0), '(')
   Call: (212) [system] '('=')'
   Fail: (212) [system] '('=')'
   Call: (212) [system] '('=end_of_file
   Fail: (212) [system] '('=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x563acd73bee0), _1891186)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1893044)
   Exit: (214) [system] peek_char((0x563acd73bee0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] get_char((0x563acd73bee0), _1909054)
   Exit: (213) [system] get_char((0x563acd73bee0), '(')
   Call: (213) [system] '('='('
   Exit: (213) [system] '('='('
^  Call: (213) [user] read_list(')', (0x563acd73bee0), _1891186)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1914624)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'D')
   Call: (215) [system] 'D'=(;)
   Fail: (215) [system] 'D'=(;)
   Call: (215) [system] 'D'=(/)
   Fail: (215) [system] 'D'=(/)
^  Call: (215) [user] is_like_space('D')
   Call: (216) [system] char_type('D', 'white')
   Fail: (216) [system] char_type('D', 'white')
   Call: (216) [system] char_type('D', end_of_line)
   Fail: (216) [system] char_type('D', end_of_line)
   Call: (216) [system] char_type('D', space)
   Fail: (216) [system] char_type('D', space)
   Call: (216) [system] char_type('D', cntrl)
   Fail: (216) [system] char_type('D', cntrl)
^  Fail: (215) [user] is_like_space('D')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1930634)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'D')
   Call: (214) [system] 'D'=')'
   Fail: (214) [system] 'D'=')'
   Call: (214) [system] 'D'=end_of_file
   Fail: (214) [system] 'D'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x563acd73bee0), _1936204)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1938062)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'D')
   Call: (216) [system] 'D'=(;)
   Fail: (216) [system] 'D'=(;)
   Call: (216) [system] 'D'=(/)
   Fail: (216) [system] 'D'=(/)
^  Call: (216) [user] is_like_space('D')
   Call: (217) [system] char_type('D', 'white')
   Fail: (217) [system] char_type('D', 'white')
   Call: (217) [system] char_type('D', end_of_line)
   Fail: (217) [system] char_type('D', end_of_line)
   Call: (217) [system] char_type('D', space)
   Fail: (217) [system] char_type('D', space)
   Call: (217) [system] char_type('D', cntrl)
   Fail: (217) [system] char_type('D', cntrl)
^  Fail: (216) [user] is_like_space('D')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] get_char((0x563acd73bee0), _1954072)
   Exit: (215) [system] get_char((0x563acd73bee0), 'D')
   Call: (215) [system] 'D'='('
   Fail: (215) [system] 'D'='('
   Call: (215) [system] 'D'='['
   Fail: (215) [system] 'D'='['
   Call: (215) [system] 'D'='{'
   Fail: (215) [system] 'D'='{'
   Call: (215) [system] 'D'='"'
   Fail: (215) [system] 'D'='"'
   Call: (215) [system] 'D'=!
   Fail: (215) [system] 'D'=!
   Call: (215) [system] 'D'='\''
   Fail: (215) [system] 'D'='\''
   Call: (215) [system] 'D'='`'
   Fail: (215) [system] 'D'='`'
   Call: (215) [system] 'D'=end_of_file
   Fail: (215) [system] 'D'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x563acd73bee0), 'D', _1936204)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _1971714)
   Call: (217) [system] peek_char((0x563acd73bee0), _1972648)
   Exit: (217) [system] peek_char((0x563acd73bee0), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_1977368, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_1978300, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x563acd73bee0), i)
   Exit: (217) [system] get_char((0x563acd73bee0), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _1985650)
   Call: (218) [system] peek_char((0x563acd73bee0), _1986584)
   Exit: (218) [system] peek_char((0x563acd73bee0), s)
^  Call: (218) [user] is_delimiter(s)
   Call: (219) [system] char_type(s, space)
   Fail: (219) [system] char_type(s, space)
   Call: (219) [system] arg(_1991304, v('(', ')', end_of_file), s)
   Fail: (219) [system] arg(_1992236, v('(', ')', end_of_file), s)
^  Fail: (218) [user] is_delimiter(s)
   Call: (218) [system] ')'==s
   Fail: (218) [system] ')'==s
   Call: (218) [system] get_char((0x563acd73bee0), s)
   Exit: (218) [system] get_char((0x563acd73bee0), s)
   Call: (218) [system] s=(\)
   Fail: (218) [system] s=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _1999586)
   Call: (219) [system] peek_char((0x563acd73bee0), _2000520)
   Exit: (219) [system] peek_char((0x563acd73bee0), j)
^  Call: (219) [user] is_delimiter(j)
   Call: (220) [system] char_type(j, space)
   Fail: (220) [system] char_type(j, space)
   Call: (220) [system] arg(_2005240, v('(', ')', end_of_file), j)
   Fail: (220) [system] arg(_2006172, v('(', ')', end_of_file), j)
^  Fail: (219) [user] is_delimiter(j)
   Call: (219) [system] ')'==j
   Fail: (219) [system] ')'==j
   Call: (219) [system] get_char((0x563acd73bee0), j)
   Exit: (219) [system] get_char((0x563acd73bee0), j)
   Call: (219) [system] j=(\)
   Fail: (219) [system] j=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _2013522)
   Call: (220) [system] peek_char((0x563acd73bee0), _2014456)
   Exit: (220) [system] peek_char((0x563acd73bee0), u)
^  Call: (220) [user] is_delimiter(u)
   Call: (221) [system] char_type(u, space)
   Fail: (221) [system] char_type(u, space)
   Call: (221) [system] arg(_2019176, v('(', ')', end_of_file), u)
   Fail: (221) [system] arg(_2020108, v('(', ')', end_of_file), u)
^  Fail: (220) [user] is_delimiter(u)
   Call: (220) [system] ')'==u
   Fail: (220) [system] ')'==u
   Call: (220) [system] get_char((0x563acd73bee0), u)
   Exit: (220) [system] get_char((0x563acd73bee0), u)
   Call: (220) [system] u=(\)
   Fail: (220) [system] u=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _2027458)
   Call: (221) [system] peek_char((0x563acd73bee0), _2028392)
   Exit: (221) [system] peek_char((0x563acd73bee0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_2033112, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_2034044, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x563acd73bee0), n)
   Exit: (221) [system] get_char((0x563acd73bee0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _2041394)
   Call: (222) [system] peek_char((0x563acd73bee0), _2042328)
   Exit: (222) [system] peek_char((0x563acd73bee0), c)
^  Call: (222) [user] is_delimiter(c)
   Call: (223) [system] char_type(c, space)
   Fail: (223) [system] char_type(c, space)
   Call: (223) [system] arg(_2047048, v('(', ')', end_of_file), c)
   Fail: (223) [system] arg(_2047980, v('(', ')', end_of_file), c)
^  Fail: (222) [user] is_delimiter(c)
   Call: (222) [system] ')'==c
   Fail: (222) [system] ')'==c
   Call: (222) [system] get_char((0x563acd73bee0), c)
   Exit: (222) [system] get_char((0x563acd73bee0), c)
   Call: (222) [system] c=(\)
   Fail: (222) [system] c=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _2055330)
   Call: (223) [system] peek_char((0x563acd73bee0), _2056264)
   Exit: (223) [system] peek_char((0x563acd73bee0), t)
^  Call: (223) [user] is_delimiter(t)
   Call: (224) [system] char_type(t, space)
   Fail: (224) [system] char_type(t, space)
   Call: (224) [system] arg(_2060984, v('(', ')', end_of_file), t)
   Fail: (224) [system] arg(_2061916, v('(', ')', end_of_file), t)
^  Fail: (223) [user] is_delimiter(t)
   Call: (223) [system] ')'==t
   Fail: (223) [system] ')'==t
   Call: (223) [system] get_char((0x563acd73bee0), t)
   Exit: (223) [system] get_char((0x563acd73bee0), t)
   Call: (223) [system] t=(\)
   Fail: (223) [system] t=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _2069266)
   Call: (224) [system] peek_char((0x563acd73bee0), _2070200)
   Exit: (224) [system] peek_char((0x563acd73bee0), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Fail: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_2074920, v('(', ')', end_of_file), i)
   Fail: (225) [system] arg(_2075852, v('(', ')', end_of_file), i)
^  Fail: (224) [user] is_delimiter(i)
   Call: (224) [system] ')'==i
   Fail: (224) [system] ')'==i
   Call: (224) [system] get_char((0x563acd73bee0), i)
   Exit: (224) [system] get_char((0x563acd73bee0), i)
   Call: (224) [system] i=(\)
   Fail: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _2083202)
   Call: (225) [system] peek_char((0x563acd73bee0), _2084136)
   Exit: (225) [system] peek_char((0x563acd73bee0), o)
^  Call: (225) [user] is_delimiter(o)
   Call: (226) [system] char_type(o, space)
   Fail: (226) [system] char_type(o, space)
   Call: (226) [system] arg(_2088856, v('(', ')', end_of_file), o)
   Fail: (226) [system] arg(_2089788, v('(', ')', end_of_file), o)
^  Fail: (225) [user] is_delimiter(o)
   Call: (225) [system] ')'==o
   Fail: (225) [system] ')'==o
   Call: (225) [system] get_char((0x563acd73bee0), o)
   Exit: (225) [system] get_char((0x563acd73bee0), o)
   Call: (225) [system] o=(\)
   Fail: (225) [system] o=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _5860)
   Call: (226) [system] peek_char((0x563acd73bee0), _6794)
   Exit: (226) [system] peek_char((0x563acd73bee0), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_11514, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_12446, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x563acd73bee0), n)
   Exit: (226) [system] get_char((0x563acd73bee0), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _19796)
   Call: (227) [system] peek_char((0x563acd73bee0), _20730)
   Exit: (227) [system] peek_char((0x563acd73bee0), 'I')
^  Call: (227) [user] is_delimiter('I')
   Call: (228) [system] char_type('I', space)
   Fail: (228) [system] char_type('I', space)
   Call: (228) [system] arg(_25450, v('(', ')', end_of_file), 'I')
   Fail: (228) [system] arg(_26382, v('(', ')', end_of_file), 'I')
^  Fail: (227) [user] is_delimiter('I')
   Call: (227) [system] ')'=='I'
   Fail: (227) [system] ')'=='I'
   Call: (227) [system] get_char((0x563acd73bee0), 'I')
   Exit: (227) [system] get_char((0x563acd73bee0), 'I')
   Call: (227) [system] 'I'=(\)
   Fail: (227) [system] 'I'=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _33732)
   Call: (228) [system] peek_char((0x563acd73bee0), _34666)
   Exit: (228) [system] peek_char((0x563acd73bee0), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_39386, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_40318, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x563acd73bee0), n)
   Exit: (228) [system] get_char((0x563acd73bee0), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _47668)
   Call: (229) [system] peek_char((0x563acd73bee0), _48602)
   Exit: (229) [system] peek_char((0x563acd73bee0), t)
^  Call: (229) [user] is_delimiter(t)
   Call: (230) [system] char_type(t, space)
   Fail: (230) [system] char_type(t, space)
   Call: (230) [system] arg(_53322, v('(', ')', end_of_file), t)
   Fail: (230) [system] arg(_54254, v('(', ')', end_of_file), t)
^  Fail: (229) [user] is_delimiter(t)
   Call: (229) [system] ')'==t
   Fail: (229) [system] ')'==t
   Call: (229) [system] get_char((0x563acd73bee0), t)
   Exit: (229) [system] get_char((0x563acd73bee0), t)
   Call: (229) [system] t=(\)
   Fail: (229) [system] t=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _61604)
   Call: (230) [system] peek_char((0x563acd73bee0), _62538)
   Exit: (230) [system] peek_char((0x563acd73bee0), r)
^  Call: (230) [user] is_delimiter(r)
   Call: (231) [system] char_type(r, space)
   Fail: (231) [system] char_type(r, space)
   Call: (231) [system] arg(_67258, v('(', ')', end_of_file), r)
   Fail: (231) [system] arg(_68190, v('(', ')', end_of_file), r)
^  Fail: (230) [user] is_delimiter(r)
   Call: (230) [system] ')'==r
   Fail: (230) [system] ')'==r
   Call: (230) [system] get_char((0x563acd73bee0), r)
   Exit: (230) [system] get_char((0x563acd73bee0), r)
   Call: (230) [system] r=(\)
   Fail: (230) [system] r=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _75540)
   Call: (231) [system] peek_char((0x563acd73bee0), _76474)
   Exit: (231) [system] peek_char((0x563acd73bee0), o)
^  Call: (231) [user] is_delimiter(o)
   Call: (232) [system] char_type(o, space)
   Fail: (232) [system] char_type(o, space)
   Call: (232) [system] arg(_81194, v('(', ')', end_of_file), o)
   Fail: (232) [system] arg(_82126, v('(', ')', end_of_file), o)
^  Fail: (231) [user] is_delimiter(o)
   Call: (231) [system] ')'==o
   Fail: (231) [system] ')'==o
   Call: (231) [system] get_char((0x563acd73bee0), o)
   Exit: (231) [system] get_char((0x563acd73bee0), o)
   Call: (231) [system] o=(\)
   Fail: (231) [system] o=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _89476)
   Call: (232) [system] peek_char((0x563acd73bee0), _90410)
   Exit: (232) [system] peek_char((0x563acd73bee0), d)
^  Call: (232) [user] is_delimiter(d)
   Call: (233) [system] char_type(d, space)
   Fail: (233) [system] char_type(d, space)
   Call: (233) [system] arg(_95130, v('(', ')', end_of_file), d)
   Fail: (233) [system] arg(_96062, v('(', ')', end_of_file), d)
^  Fail: (232) [user] is_delimiter(d)
   Call: (232) [system] ')'==d
   Fail: (232) [system] ')'==d
   Call: (232) [system] get_char((0x563acd73bee0), d)
   Exit: (232) [system] get_char((0x563acd73bee0), d)
   Call: (232) [system] d=(\)
   Fail: (232) [system] d=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _103412)
   Call: (233) [system] peek_char((0x563acd73bee0), _104346)
   Exit: (233) [system] peek_char((0x563acd73bee0), u)
^  Call: (233) [user] is_delimiter(u)
   Call: (234) [system] char_type(u, space)
   Fail: (234) [system] char_type(u, space)
   Call: (234) [system] arg(_109066, v('(', ')', end_of_file), u)
   Fail: (234) [system] arg(_109998, v('(', ')', end_of_file), u)
^  Fail: (233) [user] is_delimiter(u)
   Call: (233) [system] ')'==u
   Fail: (233) [system] ')'==u
   Call: (233) [system] get_char((0x563acd73bee0), u)
   Exit: (233) [system] get_char((0x563acd73bee0), u)
   Call: (233) [system] u=(\)
   Fail: (233) [system] u=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), _117348)
   Call: (234) [system] peek_char((0x563acd73bee0), _118282)
   Exit: (234) [system] peek_char((0x563acd73bee0), c)
^  Call: (234) [user] is_delimiter(c)
   Call: (235) [system] char_type(c, space)
   Fail: (235) [system] char_type(c, space)
   Call: (235) [system] arg(_123002, v('(', ')', end_of_file), c)
   Fail: (235) [system] arg(_123934, v('(', ')', end_of_file), c)
^  Fail: (234) [user] is_delimiter(c)
   Call: (234) [system] ')'==c
   Fail: (234) [system] ')'==c
   Call: (234) [system] get_char((0x563acd73bee0), c)
   Exit: (234) [system] get_char((0x563acd73bee0), c)
   Call: (234) [system] c=(\)
   Fail: (234) [system] c=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), _131284)
   Call: (235) [system] peek_char((0x563acd73bee0), _132218)
   Exit: (235) [system] peek_char((0x563acd73bee0), t)
^  Call: (235) [user] is_delimiter(t)
   Call: (236) [system] char_type(t, space)
   Fail: (236) [system] char_type(t, space)
   Call: (236) [system] arg(_136938, v('(', ')', end_of_file), t)
   Fail: (236) [system] arg(_137870, v('(', ')', end_of_file), t)
^  Fail: (235) [user] is_delimiter(t)
   Call: (235) [system] ')'==t
   Fail: (235) [system] ')'==t
   Call: (235) [system] get_char((0x563acd73bee0), t)
   Exit: (235) [system] get_char((0x563acd73bee0), t)
   Call: (235) [system] t=(\)
   Fail: (235) [system] t=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), _145220)
   Call: (236) [system] peek_char((0x563acd73bee0), _146154)
   Exit: (236) [system] peek_char((0x563acd73bee0), i)
^  Call: (236) [user] is_delimiter(i)
   Call: (237) [system] char_type(i, space)
   Fail: (237) [system] char_type(i, space)
   Call: (237) [system] arg(_150874, v('(', ')', end_of_file), i)
   Fail: (237) [system] arg(_151806, v('(', ')', end_of_file), i)
^  Fail: (236) [user] is_delimiter(i)
   Call: (236) [system] ')'==i
   Fail: (236) [system] ')'==i
   Call: (236) [system] get_char((0x563acd73bee0), i)
   Exit: (236) [system] get_char((0x563acd73bee0), i)
   Call: (236) [system] i=(\)
   Fail: (236) [system] i=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), _159156)
   Call: (237) [system] peek_char((0x563acd73bee0), _160090)
   Exit: (237) [system] peek_char((0x563acd73bee0), o)
^  Call: (237) [user] is_delimiter(o)
   Call: (238) [system] char_type(o, space)
   Fail: (238) [system] char_type(o, space)
   Call: (238) [system] arg(_164810, v('(', ')', end_of_file), o)
   Fail: (238) [system] arg(_165742, v('(', ')', end_of_file), o)
^  Fail: (237) [user] is_delimiter(o)
   Call: (237) [system] ')'==o
   Fail: (237) [system] ')'==o
   Call: (237) [system] get_char((0x563acd73bee0), o)
   Exit: (237) [system] get_char((0x563acd73bee0), o)
   Call: (237) [system] o=(\)
   Fail: (237) [system] o=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), _173092)
   Call: (238) [system] peek_char((0x563acd73bee0), _174026)
   Exit: (238) [system] peek_char((0x563acd73bee0), n)
^  Call: (238) [user] is_delimiter(n)
   Call: (239) [system] char_type(n, space)
   Fail: (239) [system] char_type(n, space)
   Call: (239) [system] arg(_178746, v('(', ')', end_of_file), n)
   Fail: (239) [system] arg(_179678, v('(', ')', end_of_file), n)
^  Fail: (238) [user] is_delimiter(n)
   Call: (238) [system] ')'==n
   Fail: (238) [system] ')'==n
   Call: (238) [system] get_char((0x563acd73bee0), n)
   Exit: (238) [system] get_char((0x563acd73bee0), n)
   Call: (238) [system] n=(\)
   Fail: (238) [system] n=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x563acd73bee0), _187028)
   Call: (239) [system] peek_char((0x563acd73bee0), _187962)
   Exit: (239) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (239) [user] is_delimiter(' ')
   Call: (240) [system] char_type(' ', space)
   Exit: (240) [system] char_type(' ', space)
^  Exit: (239) [user] is_delimiter(' ')
   Call: (239) [system] _187028=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (238) [system] _173092=[n]
   Exit: (238) [system] [n]=[n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (237) [system] _159156=[o, n]
   Exit: (237) [system] [o, n]=[o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (236) [system] _145220=[i, o, n]
   Exit: (236) [system] [i, o, n]=[i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (235) [system] _131284=[t, i, o, n]
   Exit: (235) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (234) [system] _117348=[c, t, i, o, n]
   Exit: (234) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n])
   Call: (233) [system] _103412=[u, c, t, i, o, n]
   Exit: (233) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, i, o, n])
   Call: (232) [system] _89476=[d, u, c, t, i, o, n]
   Exit: (232) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, u, c, t, i, o, n])
   Call: (231) [system] _75540=[o, d, u, c, t, i, o, n]
   Exit: (231) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, d, u, c, t, i, o, n])
   Call: (230) [system] _61604=[r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _47668=[t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _33732=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _19796=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _5860=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _5504=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _5500=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _5496=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _5492=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _5488=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _5484=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _5480=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _5476=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _5472=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (216) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _5468)
^  Call: (217) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _258714)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_259666, _259668), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _258714), _259648, fail)), '$restore_trace'(_259666, _259668))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_259666, _259668))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _258714), _259648, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_258714)
   Fail: (218) [system] atomic(_258714)
   Call: (218) [system] atom_chars(_258714, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (218) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (217) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (217) [system] integer('DisjunctionIntroduction')
   Fail: (217) [system] integer('DisjunctionIntroduction')
   Call: (217) [system] _5468='DisjunctionIntroduction'
   Exit: (217) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (216) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (215) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'DisjunctionIntroduction')
^  Exit: (214) [user] cont_sexpr(')', (0x563acd73bee0), 'DisjunctionIntroduction')
^  Call: (214) [user] read_list(')', (0x563acd73bee0), _273664)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _275522)
   Exit: (216) [system] peek_char((0x563acd73bee0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x563acd73bee0), _285116)
   Exit: (216) [system] get_char((0x563acd73bee0), ' ')
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _287820)
   Exit: (217) [system] peek_char((0x563acd73bee0), c)
   Call: (217) [system] c=(;)
   Fail: (217) [system] c=(;)
   Call: (217) [system] c=(/)
   Fail: (217) [system] c=(/)
^  Call: (217) [user] is_like_space(c)
   Call: (218) [system] char_type(c, 'white')
   Fail: (218) [system] char_type(c, 'white')
   Call: (218) [system] char_type(c, end_of_line)
   Fail: (218) [system] char_type(c, end_of_line)
   Call: (218) [system] char_type(c, space)
   Fail: (218) [system] char_type(c, space)
   Call: (218) [system] char_type(c, cntrl)
   Fail: (218) [system] char_type(c, cntrl)
^  Fail: (217) [user] is_like_space(c)
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _304754)
   Exit: (215) [system] peek_char((0x563acd73bee0), c)
   Call: (215) [system] c=')'
   Fail: (215) [system] c=')'
   Call: (215) [system] c=end_of_file
   Fail: (215) [system] c=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x563acd73bee0), _310324)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _312182)
   Exit: (217) [system] peek_char((0x563acd73bee0), c)
   Call: (217) [system] c=(;)
   Fail: (217) [system] c=(;)
   Call: (217) [system] c=(/)
   Fail: (217) [system] c=(/)
^  Call: (217) [user] is_like_space(c)
   Call: (218) [system] char_type(c, 'white')
   Fail: (218) [system] char_type(c, 'white')
   Call: (218) [system] char_type(c, end_of_line)
   Fail: (218) [system] char_type(c, end_of_line)
   Call: (218) [system] char_type(c, space)
   Fail: (218) [system] char_type(c, space)
   Call: (218) [system] char_type(c, cntrl)
   Fail: (218) [system] char_type(c, cntrl)
^  Fail: (217) [user] is_like_space(c)
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] get_char((0x563acd73bee0), _328192)
   Exit: (216) [system] get_char((0x563acd73bee0), c)
   Call: (216) [system] c='('
   Fail: (216) [system] c='('
   Call: (216) [system] c='['
   Fail: (216) [system] c='['
   Call: (216) [system] c='{'
   Fail: (216) [system] c='{'
   Call: (216) [system] c='"'
   Fail: (216) [system] c='"'
   Call: (216) [system] c=!
   Fail: (216) [system] c=!
   Call: (216) [system] c='\''
   Fail: (216) [system] c='\''
   Call: (216) [system] c='`'
   Fail: (216) [system] c='`'
   Call: (216) [system] c=end_of_file
   Fail: (216) [system] c=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x563acd73bee0), c, _310324)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _345834)
   Call: (218) [system] peek_char((0x563acd73bee0), _346768)
   Exit: (218) [system] peek_char((0x563acd73bee0), d)
^  Call: (218) [user] is_delimiter(d)
   Call: (219) [system] char_type(d, space)
   Fail: (219) [system] char_type(d, space)
   Call: (219) [system] arg(_351488, v('(', ')', end_of_file), d)
   Fail: (219) [system] arg(_352420, v('(', ')', end_of_file), d)
^  Fail: (218) [user] is_delimiter(d)
   Call: (218) [system] ')'==d
   Fail: (218) [system] ')'==d
   Call: (218) [system] get_char((0x563acd73bee0), d)
   Exit: (218) [system] get_char((0x563acd73bee0), d)
   Call: (218) [system] d=(\)
   Fail: (218) [system] d=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _359770)
   Call: (219) [system] peek_char((0x563acd73bee0), _360704)
   Exit: (219) [system] peek_char((0x563acd73bee0), e)
^  Call: (219) [user] is_delimiter(e)
   Call: (220) [system] char_type(e, space)
   Fail: (220) [system] char_type(e, space)
   Call: (220) [system] arg(_365424, v('(', ')', end_of_file), e)
   Fail: (220) [system] arg(_366356, v('(', ')', end_of_file), e)
^  Fail: (219) [user] is_delimiter(e)
   Call: (219) [system] ')'==e
   Fail: (219) [system] ')'==e
   Call: (219) [system] get_char((0x563acd73bee0), e)
   Exit: (219) [system] get_char((0x563acd73bee0), e)
   Call: (219) [system] e=(\)
   Fail: (219) [system] e=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _373706)
   Call: (220) [system] peek_char((0x563acd73bee0), _374640)
   Exit: (220) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _373706=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (219) [system] _359770=[e]
   Exit: (219) [system] [e]=[e]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [e])
   Call: (218) [system] _345834=[d, e]
   Exit: (218) [system] [d, e]=[d, e]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, e])
^  Call: (217) [user] classify_and_convert_charseq([c, d, e], _310324)
^  Call: (218) [user] classify_and_convert_charseq_([c, d, e], _389512)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_390464, _390466), once(user:catch(read_from_chars([c, d, e], _389512), _390446, fail)), '$restore_trace'(_390464, _390466))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_390464, _390466))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _390446, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(cde)
   Exit: (219) [system] atomic(cde)
^  Exit: (218) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (218) [system] integer(cde)
   Fail: (218) [system] integer(cde)
   Call: (218) [system] _310324=cde
   Exit: (218) [system] cde=cde
^  Exit: (217) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (216) [user] read_symbolic(')', (0x563acd73bee0), c, cde)
^  Exit: (215) [user] cont_sexpr(')', (0x563acd73bee0), cde)
^  Call: (215) [user] read_list(')', (0x563acd73bee0), _402592)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _404450)
   Exit: (217) [system] peek_char((0x563acd73bee0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x563acd73bee0), _414044)
   Exit: (217) [system] get_char((0x563acd73bee0), ' ')
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _416748)
   Exit: (218) [system] peek_char((0x563acd73bee0), a)
   Call: (218) [system] a=(;)
   Fail: (218) [system] a=(;)
   Call: (218) [system] a=(/)
   Fail: (218) [system] a=(/)
^  Call: (218) [user] is_like_space(a)
   Call: (219) [system] char_type(a, 'white')
   Fail: (219) [system] char_type(a, 'white')
   Call: (219) [system] char_type(a, end_of_line)
   Fail: (219) [system] char_type(a, end_of_line)
   Call: (219) [system] char_type(a, space)
   Fail: (219) [system] char_type(a, space)
   Call: (219) [system] char_type(a, cntrl)
   Fail: (219) [system] char_type(a, cntrl)
^  Fail: (218) [user] is_like_space(a)
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _433682)
   Exit: (216) [system] peek_char((0x563acd73bee0), a)
   Call: (216) [system] a=')'
   Fail: (216) [system] a=')'
   Call: (216) [system] a=end_of_file
   Fail: (216) [system] a=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x563acd73bee0), _439252)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _441110)
   Exit: (218) [system] peek_char((0x563acd73bee0), a)
   Call: (218) [system] a=(;)
   Fail: (218) [system] a=(;)
   Call: (218) [system] a=(/)
   Fail: (218) [system] a=(/)
^  Call: (218) [user] is_like_space(a)
   Call: (219) [system] char_type(a, 'white')
   Fail: (219) [system] char_type(a, 'white')
   Call: (219) [system] char_type(a, end_of_line)
   Fail: (219) [system] char_type(a, end_of_line)
   Call: (219) [system] char_type(a, space)
   Fail: (219) [system] char_type(a, space)
   Call: (219) [system] char_type(a, cntrl)
   Fail: (219) [system] char_type(a, cntrl)
^  Fail: (218) [user] is_like_space(a)
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] get_char((0x563acd73bee0), _457120)
   Exit: (217) [system] get_char((0x563acd73bee0), a)
   Call: (217) [system] a='('
   Fail: (217) [system] a='('
   Call: (217) [system] a='['
   Fail: (217) [system] a='['
   Call: (217) [system] a='{'
   Fail: (217) [system] a='{'
   Call: (217) [system] a='"'
   Fail: (217) [system] a='"'
   Call: (217) [system] a=!
   Fail: (217) [system] a=!
   Call: (217) [system] a='\''
   Fail: (217) [system] a='\''
   Call: (217) [system] a='`'
   Fail: (217) [system] a='`'
   Call: (217) [system] a=end_of_file
   Fail: (217) [system] a=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x563acd73bee0), a, _439252)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _474762)
   Call: (219) [system] peek_char((0x563acd73bee0), _475696)
   Exit: (219) [system] peek_char((0x563acd73bee0), b)
^  Call: (219) [user] is_delimiter(b)
   Call: (220) [system] char_type(b, space)
   Fail: (220) [system] char_type(b, space)
   Call: (220) [system] arg(_480416, v('(', ')', end_of_file), b)
   Fail: (220) [system] arg(_481348, v('(', ')', end_of_file), b)
^  Fail: (219) [user] is_delimiter(b)
   Call: (219) [system] ')'==b
   Fail: (219) [system] ')'==b
   Call: (219) [system] get_char((0x563acd73bee0), b)
   Exit: (219) [system] get_char((0x563acd73bee0), b)
   Call: (219) [system] b=(\)
   Fail: (219) [system] b=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _488698)
   Call: (220) [system] peek_char((0x563acd73bee0), _489632)
   Exit: (220) [system] peek_char((0x563acd73bee0), c)
^  Call: (220) [user] is_delimiter(c)
   Call: (221) [system] char_type(c, space)
   Fail: (221) [system] char_type(c, space)
   Call: (221) [system] arg(_494352, v('(', ')', end_of_file), c)
   Fail: (221) [system] arg(_495284, v('(', ')', end_of_file), c)
^  Fail: (220) [user] is_delimiter(c)
   Call: (220) [system] ')'==c
   Fail: (220) [system] ')'==c
   Call: (220) [system] get_char((0x563acd73bee0), c)
   Exit: (220) [system] get_char((0x563acd73bee0), c)
   Call: (220) [system] c=(\)
   Fail: (220) [system] c=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _502634)
   Call: (221) [system] peek_char((0x563acd73bee0), _503568)
   Exit: (221) [system] peek_char((0x563acd73bee0), ')')
^  Call: (221) [user] is_delimiter(')')
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] arg(_508288, v('(', ')', end_of_file), ')')
   Exit: (222) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (221) [user] is_delimiter(')')
   Call: (221) [system] _502634=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (220) [system] _488698=[c]
   Exit: (220) [system] [c]=[c]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [c])
   Call: (219) [system] _474762=[b, c]
   Exit: (219) [system] [b, c]=[b, c]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [b, c])
^  Call: (218) [user] classify_and_convert_charseq([a, b, c], _439252)
^  Call: (219) [user] classify_and_convert_charseq_([a, b, c], _520312)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_521264, _521266), once(user:catch(read_from_chars([a, b, c], _520312), _521246, fail)), '$restore_trace'(_521264, _521266))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_521264, _521266))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _521246, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(abc)
   Exit: (220) [system] atomic(abc)
^  Exit: (219) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (219) [system] integer(abc)
   Fail: (219) [system] integer(abc)
   Call: (219) [system] _439252=abc
   Exit: (219) [system] abc=abc
^  Exit: (218) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (217) [user] read_symbolic(')', (0x563acd73bee0), a, abc)
^  Exit: (216) [user] cont_sexpr(')', (0x563acd73bee0), abc)
^  Call: (216) [user] read_list(')', (0x563acd73bee0), _533392)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _535250)
   Exit: (218) [system] peek_char((0x563acd73bee0), ')')
   Call: (218) [system] ')'=(;)
   Fail: (218) [system] ')'=(;)
   Call: (218) [system] ')'=(/)
   Fail: (218) [system] ')'=(/)
^  Call: (218) [user] is_like_space(')')
   Call: (219) [system] char_type(')', 'white')
   Fail: (219) [system] char_type(')', 'white')
   Call: (219) [system] char_type(')', end_of_line)
   Fail: (219) [system] char_type(')', end_of_line)
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] char_type(')', cntrl)
   Fail: (219) [system] char_type(')', cntrl)
^  Fail: (218) [user] is_like_space(')')
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _551260)
   Exit: (217) [system] peek_char((0x563acd73bee0), ')')
   Call: (217) [system] ')'=')'
   Exit: (217) [system] ')'=')'
   Call: (217) [system] get_char((0x563acd73bee0), _555050)
   Exit: (217) [system] get_char((0x563acd73bee0), ')')
   Call: (217) [system] _533392=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_list(')', (0x563acd73bee0), [])
   Call: (216) [system] _402592=[abc]
   Exit: (216) [system] [abc]=[abc]
^  Exit: (215) [user] read_list(')', (0x563acd73bee0), [abc])
   Call: (215) [system] _273664=[cde, abc]
   Exit: (215) [system] [cde, abc]=[cde, abc]
^  Exit: (214) [user] read_list(')', (0x563acd73bee0), [cde, abc])
   Call: (214) [system] _5462=['DisjunctionIntroduction', cde, abc]
   Exit: (214) [system] ['DisjunctionIntroduction', cde, abc]=['DisjunctionIntroduction', cde, abc]
^  Exit: (213) [user] read_list(')', (0x563acd73bee0), ['DisjunctionIntroduction', cde, abc])
^  Exit: (212) [user] cont_sexpr(')', (0x563acd73bee0), ['DisjunctionIntroduction', cde, abc])
^  Call: (212) [user] read_list(')', (0x563acd73bee0), _568932)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _570790)
   Exit: (214) [system] peek_char((0x563acd73bee0), ')')
   Call: (214) [system] ')'=(;)
   Fail: (214) [system] ')'=(;)
   Call: (214) [system] ')'=(/)
   Fail: (214) [system] ')'=(/)
^  Call: (214) [user] is_like_space(')')
   Call: (215) [system] char_type(')', 'white')
   Fail: (215) [system] char_type(')', 'white')
   Call: (215) [system] char_type(')', end_of_line)
   Fail: (215) [system] char_type(')', end_of_line)
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] char_type(')', cntrl)
   Fail: (215) [system] char_type(')', cntrl)
^  Fail: (214) [user] is_like_space(')')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _586800)
   Exit: (213) [system] peek_char((0x563acd73bee0), ')')
   Call: (213) [system] ')'=')'
   Exit: (213) [system] ')'=')'
   Call: (213) [system] get_char((0x563acd73bee0), _590590)
   Exit: (213) [system] get_char((0x563acd73bee0), ')')
   Call: (213) [system] _568932=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_list(')', (0x563acd73bee0), [])
   Call: (212) [system] _5458=[['DisjunctionIntroduction', cde, abc]]
   Exit: (212) [system] [['DisjunctionIntroduction', cde, abc]]=[['DisjunctionIntroduction', cde, abc]]
^  Exit: (211) [user] read_list(')', (0x563acd73bee0), [['DisjunctionIntroduction', cde, abc]])
   Call: (211) [system] _5452=[abc, ['DisjunctionIntroduction', cde, abc]]
   Exit: (211) [system] [abc, ['DisjunctionIntroduction', cde, abc]]=[abc, ['DisjunctionIntroduction', cde, abc]]
^  Exit: (210) [user] read_list(')', (0x563acd73bee0), [abc, ['DisjunctionIntroduction', cde, abc]])
   Call: (210) [system] _5444=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]]
   Exit: (210) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]]
^  Exit: (209) [user] read_list(')', (0x563acd73bee0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]])
^  Exit: (208) [user] cont_sexpr(')', (0x563acd73bee0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]])
^  Call: (208) [user] read_list(')', (0x563acd73bee0), _604472)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _606330)
   Exit: (210) [system] peek_char((0x563acd73bee0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x563acd73bee0), _615924)
   Exit: (210) [system] get_char((0x563acd73bee0), ' ')
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _618628)
   Exit: (211) [system] peek_char((0x563acd73bee0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _635562)
   Exit: (209) [system] peek_char((0x563acd73bee0), '(')
   Call: (209) [system] '('=')'
   Fail: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
   Fail: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x563acd73bee0), _641132)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _642990)
   Exit: (211) [system] peek_char((0x563acd73bee0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] get_char((0x563acd73bee0), _659000)
   Exit: (210) [system] get_char((0x563acd73bee0), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x563acd73bee0), _641132)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _664570)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'O')
   Call: (212) [system] 'O'=(;)
   Fail: (212) [system] 'O'=(;)
   Call: (212) [system] 'O'=(/)
   Fail: (212) [system] 'O'=(/)
^  Call: (212) [user] is_like_space('O')
   Call: (213) [system] char_type('O', 'white')
   Fail: (213) [system] char_type('O', 'white')
   Call: (213) [system] char_type('O', end_of_line)
   Fail: (213) [system] char_type('O', end_of_line)
   Call: (213) [system] char_type('O', space)
   Fail: (213) [system] char_type('O', space)
   Call: (213) [system] char_type('O', cntrl)
   Fail: (213) [system] char_type('O', cntrl)
^  Fail: (212) [user] is_like_space('O')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _680580)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'O')
   Call: (211) [system] 'O'=')'
   Fail: (211) [system] 'O'=')'
   Call: (211) [system] 'O'=end_of_file
   Fail: (211) [system] 'O'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x563acd73bee0), _686150)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _688008)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'O')
   Call: (213) [system] 'O'=(;)
   Fail: (213) [system] 'O'=(;)
   Call: (213) [system] 'O'=(/)
   Fail: (213) [system] 'O'=(/)
^  Call: (213) [user] is_like_space('O')
   Call: (214) [system] char_type('O', 'white')
   Fail: (214) [system] char_type('O', 'white')
   Call: (214) [system] char_type('O', end_of_line)
   Fail: (214) [system] char_type('O', end_of_line)
   Call: (214) [system] char_type('O', space)
   Fail: (214) [system] char_type('O', space)
   Call: (214) [system] char_type('O', cntrl)
   Fail: (214) [system] char_type('O', cntrl)
^  Fail: (213) [user] is_like_space('O')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] get_char((0x563acd73bee0), _704018)
   Exit: (212) [system] get_char((0x563acd73bee0), 'O')
   Call: (212) [system] 'O'='('
   Fail: (212) [system] 'O'='('
   Call: (212) [system] 'O'='['
   Fail: (212) [system] 'O'='['
   Call: (212) [system] 'O'='{'
   Fail: (212) [system] 'O'='{'
   Call: (212) [system] 'O'='"'
   Fail: (212) [system] 'O'='"'
   Call: (212) [system] 'O'=!
   Fail: (212) [system] 'O'=!
   Call: (212) [system] 'O'='\''
   Fail: (212) [system] 'O'='\''
   Call: (212) [system] 'O'='`'
   Fail: (212) [system] 'O'='`'
   Call: (212) [system] 'O'=end_of_file
   Fail: (212) [system] 'O'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x563acd73bee0), 'O', _686150)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _721660)
   Call: (214) [system] peek_char((0x563acd73bee0), _722594)
   Exit: (214) [system] peek_char((0x563acd73bee0), r)
^  Call: (214) [user] is_delimiter(r)
   Call: (215) [system] char_type(r, space)
   Fail: (215) [system] char_type(r, space)
   Call: (215) [system] arg(_727314, v('(', ')', end_of_file), r)
   Fail: (215) [system] arg(_728246, v('(', ')', end_of_file), r)
^  Fail: (214) [user] is_delimiter(r)
   Call: (214) [system] ')'==r
   Fail: (214) [system] ')'==r
   Call: (214) [system] get_char((0x563acd73bee0), r)
   Exit: (214) [system] get_char((0x563acd73bee0), r)
   Call: (214) [system] r=(\)
   Fail: (214) [system] r=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _735596)
   Call: (215) [system] peek_char((0x563acd73bee0), _736530)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (215) [user] is_delimiter('L')
   Call: (216) [system] char_type('L', space)
   Fail: (216) [system] char_type('L', space)
   Call: (216) [system] arg(_741250, v('(', ')', end_of_file), 'L')
   Fail: (216) [system] arg(_742182, v('(', ')', end_of_file), 'L')
^  Fail: (215) [user] is_delimiter('L')
   Call: (215) [system] ')'=='L'
   Fail: (215) [system] ')'=='L'
   Call: (215) [system] get_char((0x563acd73bee0), 'L')
   Exit: (215) [system] get_char((0x563acd73bee0), 'L')
   Call: (215) [system] 'L'=(\)
   Fail: (215) [system] 'L'=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _749532)
   Call: (216) [system] peek_char((0x563acd73bee0), _750466)
   Exit: (216) [system] peek_char((0x563acd73bee0), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Fail: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_755186, v('(', ')', end_of_file), i)
   Fail: (217) [system] arg(_756118, v('(', ')', end_of_file), i)
^  Fail: (216) [user] is_delimiter(i)
   Call: (216) [system] ')'==i
   Fail: (216) [system] ')'==i
   Call: (216) [system] get_char((0x563acd73bee0), i)
   Exit: (216) [system] get_char((0x563acd73bee0), i)
   Call: (216) [system] i=(\)
   Fail: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _763468)
   Call: (217) [system] peek_char((0x563acd73bee0), _764402)
   Exit: (217) [system] peek_char((0x563acd73bee0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_769122, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_770054, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x563acd73bee0), n)
   Exit: (217) [system] get_char((0x563acd73bee0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _777404)
   Call: (218) [system] peek_char((0x563acd73bee0), _778338)
   Exit: (218) [system] peek_char((0x563acd73bee0), k)
^  Call: (218) [user] is_delimiter(k)
   Call: (219) [system] char_type(k, space)
   Fail: (219) [system] char_type(k, space)
   Call: (219) [system] arg(_783058, v('(', ')', end_of_file), k)
   Fail: (219) [system] arg(_783990, v('(', ')', end_of_file), k)
^  Fail: (218) [user] is_delimiter(k)
   Call: (218) [system] ')'==k
   Fail: (218) [system] ')'==k
   Call: (218) [system] get_char((0x563acd73bee0), k)
   Exit: (218) [system] get_char((0x563acd73bee0), k)
   Call: (218) [system] k=(\)
   Fail: (218) [system] k=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _791340)
   Call: (219) [system] peek_char((0x563acd73bee0), _792274)
   Exit: (219) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _791340=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (218) [system] _777404=[k]
   Exit: (218) [system] [k]=[k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (217) [system] _763468=[n, k]
   Exit: (217) [system] [n, k]=[n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (216) [system] _749532=[i, n, k]
   Exit: (216) [system] [i, n, k]=[i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (215) [system] _735596=['L', i, n, k]
   Exit: (215) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (214) [system] _721660=[r, 'L', i, n, k]
   Exit: (214) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (213) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _686150)
^  Call: (214) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _815528)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_816480, _816482), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _815528), _816462, fail)), '$restore_trace'(_816480, _816482))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_816480, _816482))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _815528), _816462, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_815528)
   Fail: (215) [system] atomic(_815528)
   Call: (215) [system] atom_chars(_815528, ['O', r, 'L', i, n, k])
   Exit: (215) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (214) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (214) [system] integer('OrLink')
   Fail: (214) [system] integer('OrLink')
   Call: (214) [system] _686150='OrLink'
   Exit: (214) [system] 'OrLink'='OrLink'
^  Exit: (213) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (212) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (211) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (211) [user] read_list(')', (0x563acd73bee0), _830478)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _832336)
   Exit: (213) [system] peek_char((0x563acd73bee0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x563acd73bee0), _841930)
   Exit: (213) [system] get_char((0x563acd73bee0), ' ')
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _844634)
   Exit: (214) [system] peek_char((0x563acd73bee0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _861568)
   Exit: (212) [system] peek_char((0x563acd73bee0), '(')
   Call: (212) [system] '('=')'
   Fail: (212) [system] '('=')'
   Call: (212) [system] '('=end_of_file
   Fail: (212) [system] '('=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x563acd73bee0), _867138)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _868996)
   Exit: (214) [system] peek_char((0x563acd73bee0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] get_char((0x563acd73bee0), _885006)
   Exit: (213) [system] get_char((0x563acd73bee0), '(')
   Call: (213) [system] '('='('
   Exit: (213) [system] '('='('
^  Call: (213) [user] read_list(')', (0x563acd73bee0), _867138)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _890576)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'I')
   Call: (215) [system] 'I'=(;)
   Fail: (215) [system] 'I'=(;)
   Call: (215) [system] 'I'=(/)
   Fail: (215) [system] 'I'=(/)
^  Call: (215) [user] is_like_space('I')
   Call: (216) [system] char_type('I', 'white')
   Fail: (216) [system] char_type('I', 'white')
   Call: (216) [system] char_type('I', end_of_line)
   Fail: (216) [system] char_type('I', end_of_line)
   Call: (216) [system] char_type('I', space)
   Fail: (216) [system] char_type('I', space)
   Call: (216) [system] char_type('I', cntrl)
   Fail: (216) [system] char_type('I', cntrl)
^  Fail: (215) [user] is_like_space('I')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _906586)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'I')
   Call: (214) [system] 'I'=')'
   Fail: (214) [system] 'I'=')'
   Call: (214) [system] 'I'=end_of_file
   Fail: (214) [system] 'I'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x563acd73bee0), _912156)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _914014)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'I')
   Call: (216) [system] 'I'=(;)
   Fail: (216) [system] 'I'=(;)
   Call: (216) [system] 'I'=(/)
   Fail: (216) [system] 'I'=(/)
^  Call: (216) [user] is_like_space('I')
   Call: (217) [system] char_type('I', 'white')
   Fail: (217) [system] char_type('I', 'white')
   Call: (217) [system] char_type('I', end_of_line)
   Fail: (217) [system] char_type('I', end_of_line)
   Call: (217) [system] char_type('I', space)
   Fail: (217) [system] char_type('I', space)
   Call: (217) [system] char_type('I', cntrl)
   Fail: (217) [system] char_type('I', cntrl)
^  Fail: (216) [user] is_like_space('I')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] get_char((0x563acd73bee0), _930024)
   Exit: (215) [system] get_char((0x563acd73bee0), 'I')
   Call: (215) [system] 'I'='('
   Fail: (215) [system] 'I'='('
   Call: (215) [system] 'I'='['
   Fail: (215) [system] 'I'='['
   Call: (215) [system] 'I'='{'
   Fail: (215) [system] 'I'='{'
   Call: (215) [system] 'I'='"'
   Fail: (215) [system] 'I'='"'
   Call: (215) [system] 'I'=!
   Fail: (215) [system] 'I'=!
   Call: (215) [system] 'I'='\''
   Fail: (215) [system] 'I'='\''
   Call: (215) [system] 'I'='`'
   Fail: (215) [system] 'I'='`'
   Call: (215) [system] 'I'=end_of_file
   Fail: (215) [system] 'I'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x563acd73bee0), 'I', _912156)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _947666)
   Call: (217) [system] peek_char((0x563acd73bee0), _948600)
   Exit: (217) [system] peek_char((0x563acd73bee0), m)
^  Call: (217) [user] is_delimiter(m)
   Call: (218) [system] char_type(m, space)
   Fail: (218) [system] char_type(m, space)
   Call: (218) [system] arg(_953320, v('(', ')', end_of_file), m)
   Fail: (218) [system] arg(_954252, v('(', ')', end_of_file), m)
^  Fail: (217) [user] is_delimiter(m)
   Call: (217) [system] ')'==m
   Fail: (217) [system] ')'==m
   Call: (217) [system] get_char((0x563acd73bee0), m)
   Exit: (217) [system] get_char((0x563acd73bee0), m)
   Call: (217) [system] m=(\)
   Fail: (217) [system] m=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _961602)
   Call: (218) [system] peek_char((0x563acd73bee0), _962536)
   Exit: (218) [system] peek_char((0x563acd73bee0), p)
^  Call: (218) [user] is_delimiter(p)
   Call: (219) [system] char_type(p, space)
   Fail: (219) [system] char_type(p, space)
   Call: (219) [system] arg(_967256, v('(', ')', end_of_file), p)
   Fail: (219) [system] arg(_968188, v('(', ')', end_of_file), p)
^  Fail: (218) [user] is_delimiter(p)
   Call: (218) [system] ')'==p
   Fail: (218) [system] ')'==p
   Call: (218) [system] get_char((0x563acd73bee0), p)
   Exit: (218) [system] get_char((0x563acd73bee0), p)
   Call: (218) [system] p=(\)
   Fail: (218) [system] p=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _975538)
   Call: (219) [system] peek_char((0x563acd73bee0), _976472)
   Exit: (219) [system] peek_char((0x563acd73bee0), l)
^  Call: (219) [user] is_delimiter(l)
   Call: (220) [system] char_type(l, space)
   Fail: (220) [system] char_type(l, space)
   Call: (220) [system] arg(_981192, v('(', ')', end_of_file), l)
   Fail: (220) [system] arg(_982124, v('(', ')', end_of_file), l)
^  Fail: (219) [user] is_delimiter(l)
   Call: (219) [system] ')'==l
   Fail: (219) [system] ')'==l
   Call: (219) [system] get_char((0x563acd73bee0), l)
   Exit: (219) [system] get_char((0x563acd73bee0), l)
   Call: (219) [system] l=(\)
   Fail: (219) [system] l=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _989474)
   Call: (220) [system] peek_char((0x563acd73bee0), _990408)
   Exit: (220) [system] peek_char((0x563acd73bee0), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_995128, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_996060, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x563acd73bee0), i)
   Exit: (220) [system] get_char((0x563acd73bee0), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _1003410)
   Call: (221) [system] peek_char((0x563acd73bee0), _1004344)
   Exit: (221) [system] peek_char((0x563acd73bee0), c)
^  Call: (221) [user] is_delimiter(c)
   Call: (222) [system] char_type(c, space)
   Fail: (222) [system] char_type(c, space)
   Call: (222) [system] arg(_1009064, v('(', ')', end_of_file), c)
   Fail: (222) [system] arg(_1009996, v('(', ')', end_of_file), c)
^  Fail: (221) [user] is_delimiter(c)
   Call: (221) [system] ')'==c
   Fail: (221) [system] ')'==c
   Call: (221) [system] get_char((0x563acd73bee0), c)
   Exit: (221) [system] get_char((0x563acd73bee0), c)
   Call: (221) [system] c=(\)
   Fail: (221) [system] c=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _1017346)
   Call: (222) [system] peek_char((0x563acd73bee0), _1018280)
   Exit: (222) [system] peek_char((0x563acd73bee0), a)
^  Call: (222) [user] is_delimiter(a)
   Call: (223) [system] char_type(a, space)
   Fail: (223) [system] char_type(a, space)
   Call: (223) [system] arg(_1023000, v('(', ')', end_of_file), a)
   Fail: (223) [system] arg(_1023932, v('(', ')', end_of_file), a)
^  Fail: (222) [user] is_delimiter(a)
   Call: (222) [system] ')'==a
   Fail: (222) [system] ')'==a
   Call: (222) [system] get_char((0x563acd73bee0), a)
   Exit: (222) [system] get_char((0x563acd73bee0), a)
   Call: (222) [system] a=(\)
   Fail: (222) [system] a=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _1031282)
   Call: (223) [system] peek_char((0x563acd73bee0), _1032216)
   Exit: (223) [system] peek_char((0x563acd73bee0), t)
^  Call: (223) [user] is_delimiter(t)
   Call: (224) [system] char_type(t, space)
   Fail: (224) [system] char_type(t, space)
   Call: (224) [system] arg(_1036936, v('(', ')', end_of_file), t)
   Fail: (224) [system] arg(_1037868, v('(', ')', end_of_file), t)
^  Fail: (223) [user] is_delimiter(t)
   Call: (223) [system] ')'==t
   Fail: (223) [system] ')'==t
   Call: (223) [system] get_char((0x563acd73bee0), t)
   Exit: (223) [system] get_char((0x563acd73bee0), t)
   Call: (223) [system] t=(\)
   Fail: (223) [system] t=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _1045218)
   Call: (224) [system] peek_char((0x563acd73bee0), _1046152)
   Exit: (224) [system] peek_char((0x563acd73bee0), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Fail: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_1050872, v('(', ')', end_of_file), i)
   Fail: (225) [system] arg(_1051804, v('(', ')', end_of_file), i)
^  Fail: (224) [user] is_delimiter(i)
   Call: (224) [system] ')'==i
   Fail: (224) [system] ')'==i
   Call: (224) [system] get_char((0x563acd73bee0), i)
   Exit: (224) [system] get_char((0x563acd73bee0), i)
   Call: (224) [system] i=(\)
   Fail: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _1059154)
   Call: (225) [system] peek_char((0x563acd73bee0), _1060088)
   Exit: (225) [system] peek_char((0x563acd73bee0), o)
^  Call: (225) [user] is_delimiter(o)
   Call: (226) [system] char_type(o, space)
   Fail: (226) [system] char_type(o, space)
   Call: (226) [system] arg(_1064808, v('(', ')', end_of_file), o)
   Fail: (226) [system] arg(_1065740, v('(', ')', end_of_file), o)
^  Fail: (225) [user] is_delimiter(o)
   Call: (225) [system] ')'==o
   Fail: (225) [system] ')'==o
   Call: (225) [system] get_char((0x563acd73bee0), o)
   Exit: (225) [system] get_char((0x563acd73bee0), o)
   Call: (225) [system] o=(\)
   Fail: (225) [system] o=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _1073090)
   Call: (226) [system] peek_char((0x563acd73bee0), _1074024)
   Exit: (226) [system] peek_char((0x563acd73bee0), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_1078744, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_1079676, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x563acd73bee0), n)
   Exit: (226) [system] get_char((0x563acd73bee0), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _1087026)
   Call: (227) [system] peek_char((0x563acd73bee0), _1087960)
   Exit: (227) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _1087026=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (226) [system] _1073090=[n]
   Exit: (226) [system] [n]=[n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (225) [system] _1059154=[o, n]
   Exit: (225) [system] [o, n]=[o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (224) [system] _1045218=[i, o, n]
   Exit: (224) [system] [i, o, n]=[i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (223) [system] _1031282=[t, i, o, n]
   Exit: (223) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (222) [system] _1017346=[a, t, i, o, n]
   Exit: (222) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (221) [system] _1003410=[c, a, t, i, o, n]
   Exit: (221) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (220) [system] _989474=[i, c, a, t, i, o, n]
   Exit: (220) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (219) [system] _975538=[l, i, c, a, t, i, o, n]
   Exit: (219) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (218) [system] _961602=[p, l, i, c, a, t, i, o, n]
   Exit: (218) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (217) [system] _947666=[m, p, l, i, c, a, t, i, o, n]
   Exit: (217) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (216) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _912156)
^  Call: (217) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1125184)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1126136, _1126138), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1125184), _1126118, fail)), '$restore_trace'(_1126136, _1126138))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1126136, _1126138))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1125184), _1126118, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_1125184)
   Fail: (218) [system] atomic(_1125184)
   Call: (218) [system] atom_chars(_1125184, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (218) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (217) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (217) [system] integer('Implication')
   Fail: (217) [system] integer('Implication')
   Call: (217) [system] _912156='Implication'
   Exit: (217) [system] 'Implication'='Implication'
^  Exit: (216) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (215) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (214) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (214) [user] read_list(')', (0x563acd73bee0), _1140134)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1141992)
   Exit: (216) [system] peek_char((0x563acd73bee0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x563acd73bee0), _1151586)
   Exit: (216) [system] get_char((0x563acd73bee0), ' ')
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1154290)
   Exit: (217) [system] peek_char((0x563acd73bee0), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
   Call: (217) [system] '('=(/)
   Fail: (217) [system] '('=(/)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1171224)
   Exit: (215) [system] peek_char((0x563acd73bee0), '(')
   Call: (215) [system] '('=')'
   Fail: (215) [system] '('=')'
   Call: (215) [system] '('=end_of_file
   Fail: (215) [system] '('=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x563acd73bee0), _1176794)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1178652)
   Exit: (217) [system] peek_char((0x563acd73bee0), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
   Call: (217) [system] '('=(/)
   Fail: (217) [system] '('=(/)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] get_char((0x563acd73bee0), _1194662)
   Exit: (216) [system] get_char((0x563acd73bee0), '(')
   Call: (216) [system] '('='('
   Exit: (216) [system] '('='('
^  Call: (216) [user] read_list(')', (0x563acd73bee0), _1176794)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _1200232)
   Exit: (218) [system] peek_char((0x563acd73bee0), 'A')
   Call: (218) [system] 'A'=(;)
   Fail: (218) [system] 'A'=(;)
   Call: (218) [system] 'A'=(/)
   Fail: (218) [system] 'A'=(/)
^  Call: (218) [user] is_like_space('A')
   Call: (219) [system] char_type('A', 'white')
   Fail: (219) [system] char_type('A', 'white')
   Call: (219) [system] char_type('A', end_of_line)
   Fail: (219) [system] char_type('A', end_of_line)
   Call: (219) [system] char_type('A', space)
   Fail: (219) [system] char_type('A', space)
   Call: (219) [system] char_type('A', cntrl)
   Fail: (219) [system] char_type('A', cntrl)
^  Fail: (218) [user] is_like_space('A')
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1216242)
   Exit: (217) [system] peek_char((0x563acd73bee0), 'A')
   Call: (217) [system] 'A'=')'
   Fail: (217) [system] 'A'=')'
   Call: (217) [system] 'A'=end_of_file
   Fail: (217) [system] 'A'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x563acd73bee0), _1221812)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _1223670)
   Exit: (219) [system] peek_char((0x563acd73bee0), 'A')
   Call: (219) [system] 'A'=(;)
   Fail: (219) [system] 'A'=(;)
   Call: (219) [system] 'A'=(/)
   Fail: (219) [system] 'A'=(/)
^  Call: (219) [user] is_like_space('A')
   Call: (220) [system] char_type('A', 'white')
   Fail: (220) [system] char_type('A', 'white')
   Call: (220) [system] char_type('A', end_of_line)
   Fail: (220) [system] char_type('A', end_of_line)
   Call: (220) [system] char_type('A', space)
   Fail: (220) [system] char_type('A', space)
   Call: (220) [system] char_type('A', cntrl)
   Fail: (220) [system] char_type('A', cntrl)
^  Fail: (219) [user] is_like_space('A')
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] get_char((0x563acd73bee0), _1239680)
   Exit: (218) [system] get_char((0x563acd73bee0), 'A')
   Call: (218) [system] 'A'='('
   Fail: (218) [system] 'A'='('
   Call: (218) [system] 'A'='['
   Fail: (218) [system] 'A'='['
   Call: (218) [system] 'A'='{'
   Fail: (218) [system] 'A'='{'
   Call: (218) [system] 'A'='"'
   Fail: (218) [system] 'A'='"'
   Call: (218) [system] 'A'=!
   Fail: (218) [system] 'A'=!
   Call: (218) [system] 'A'='\''
   Fail: (218) [system] 'A'='\''
   Call: (218) [system] 'A'='`'
   Fail: (218) [system] 'A'='`'
   Call: (218) [system] 'A'=end_of_file
   Fail: (218) [system] 'A'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x563acd73bee0), 'A', _1221812)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _1257322)
   Call: (220) [system] peek_char((0x563acd73bee0), _1258256)
   Exit: (220) [system] peek_char((0x563acd73bee0), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_1262976, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_1263908, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x563acd73bee0), n)
   Exit: (220) [system] get_char((0x563acd73bee0), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _1271258)
   Call: (221) [system] peek_char((0x563acd73bee0), _1272192)
   Exit: (221) [system] peek_char((0x563acd73bee0), d)
^  Call: (221) [user] is_delimiter(d)
   Call: (222) [system] char_type(d, space)
   Fail: (222) [system] char_type(d, space)
   Call: (222) [system] arg(_1276912, v('(', ')', end_of_file), d)
   Fail: (222) [system] arg(_1277844, v('(', ')', end_of_file), d)
^  Fail: (221) [user] is_delimiter(d)
   Call: (221) [system] ')'==d
   Fail: (221) [system] ')'==d
   Call: (221) [system] get_char((0x563acd73bee0), d)
   Exit: (221) [system] get_char((0x563acd73bee0), d)
   Call: (221) [system] d=(\)
   Fail: (221) [system] d=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _1285194)
   Call: (222) [system] peek_char((0x563acd73bee0), _1286128)
   Exit: (222) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (222) [user] is_delimiter('L')
   Call: (223) [system] char_type('L', space)
   Fail: (223) [system] char_type('L', space)
   Call: (223) [system] arg(_1290848, v('(', ')', end_of_file), 'L')
   Fail: (223) [system] arg(_1291780, v('(', ')', end_of_file), 'L')
^  Fail: (222) [user] is_delimiter('L')
   Call: (222) [system] ')'=='L'
   Fail: (222) [system] ')'=='L'
   Call: (222) [system] get_char((0x563acd73bee0), 'L')
   Exit: (222) [system] get_char((0x563acd73bee0), 'L')
   Call: (222) [system] 'L'=(\)
   Fail: (222) [system] 'L'=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _1299130)
   Call: (223) [system] peek_char((0x563acd73bee0), _1300064)
   Exit: (223) [system] peek_char((0x563acd73bee0), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Fail: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_1304784, v('(', ')', end_of_file), i)
   Fail: (224) [system] arg(_1305716, v('(', ')', end_of_file), i)
^  Fail: (223) [user] is_delimiter(i)
   Call: (223) [system] ')'==i
   Fail: (223) [system] ')'==i
   Call: (223) [system] get_char((0x563acd73bee0), i)
   Exit: (223) [system] get_char((0x563acd73bee0), i)
   Call: (223) [system] i=(\)
   Fail: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _1313066)
   Call: (224) [system] peek_char((0x563acd73bee0), _1314000)
   Exit: (224) [system] peek_char((0x563acd73bee0), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_1318720, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_1319652, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x563acd73bee0), n)
   Exit: (224) [system] get_char((0x563acd73bee0), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _1327002)
   Call: (225) [system] peek_char((0x563acd73bee0), _1327936)
   Exit: (225) [system] peek_char((0x563acd73bee0), k)
^  Call: (225) [user] is_delimiter(k)
   Call: (226) [system] char_type(k, space)
   Fail: (226) [system] char_type(k, space)
   Call: (226) [system] arg(_1332656, v('(', ')', end_of_file), k)
   Fail: (226) [system] arg(_1333588, v('(', ')', end_of_file), k)
^  Fail: (225) [user] is_delimiter(k)
   Call: (225) [system] ')'==k
   Fail: (225) [system] ')'==k
   Call: (225) [system] get_char((0x563acd73bee0), k)
   Exit: (225) [system] get_char((0x563acd73bee0), k)
   Call: (225) [system] k=(\)
   Fail: (225) [system] k=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _1340938)
   Call: (226) [system] peek_char((0x563acd73bee0), _1341872)
   Exit: (226) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _1340938=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (225) [system] _1327002=[k]
   Exit: (225) [system] [k]=[k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (224) [system] _1313066=[n, k]
   Exit: (224) [system] [n, k]=[n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (223) [system] _1299130=[i, n, k]
   Exit: (223) [system] [i, n, k]=[i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (222) [system] _1285194=['L', i, n, k]
   Exit: (222) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (221) [system] _1271258=[d, 'L', i, n, k]
   Exit: (221) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, 'L', i, n, k])
   Call: (220) [system] _1257322=[n, d, 'L', i, n, k]
   Exit: (220) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, d, 'L', i, n, k])
^  Call: (219) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1221812)
^  Call: (220) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1367920)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_1368872, _1368874), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1367920), _1368854, fail)), '$restore_trace'(_1368872, _1368874))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_1368872, _1368874))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1367920), _1368854, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_1367920)
   Fail: (221) [system] atomic(_1367920)
   Call: (221) [system] atom_chars(_1367920, ['A', n, d, 'L', i, n, k])
   Exit: (221) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (220) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (220) [system] integer('AndLink')
   Fail: (220) [system] integer('AndLink')
   Call: (220) [system] _1221812='AndLink'
   Exit: (220) [system] 'AndLink'='AndLink'
^  Exit: (219) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (218) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'AndLink')
^  Exit: (217) [user] cont_sexpr(')', (0x563acd73bee0), 'AndLink')
^  Call: (217) [user] read_list(')', (0x563acd73bee0), _1382870)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _1384728)
   Exit: (219) [system] peek_char((0x563acd73bee0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x563acd73bee0), _1394322)
   Exit: (219) [system] get_char((0x563acd73bee0), ' ')
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _1397026)
   Exit: (220) [system] peek_char((0x563acd73bee0), 'A')
   Call: (220) [system] 'A'=(;)
   Fail: (220) [system] 'A'=(;)
   Call: (220) [system] 'A'=(/)
   Fail: (220) [system] 'A'=(/)
^  Call: (220) [user] is_like_space('A')
   Call: (221) [system] char_type('A', 'white')
   Fail: (221) [system] char_type('A', 'white')
   Call: (221) [system] char_type('A', end_of_line)
   Fail: (221) [system] char_type('A', end_of_line)
   Call: (221) [system] char_type('A', space)
   Fail: (221) [system] char_type('A', space)
   Call: (221) [system] char_type('A', cntrl)
   Fail: (221) [system] char_type('A', cntrl)
^  Fail: (220) [user] is_like_space('A')
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _1413960)
   Exit: (218) [system] peek_char((0x563acd73bee0), 'A')
   Call: (218) [system] 'A'=')'
   Fail: (218) [system] 'A'=')'
   Call: (218) [system] 'A'=end_of_file
   Fail: (218) [system] 'A'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x563acd73bee0), _1419530)
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _1421388)
   Exit: (220) [system] peek_char((0x563acd73bee0), 'A')
   Call: (220) [system] 'A'=(;)
   Fail: (220) [system] 'A'=(;)
   Call: (220) [system] 'A'=(/)
   Fail: (220) [system] 'A'=(/)
^  Call: (220) [user] is_like_space('A')
   Call: (221) [system] char_type('A', 'white')
   Fail: (221) [system] char_type('A', 'white')
   Call: (221) [system] char_type('A', end_of_line)
   Fail: (221) [system] char_type('A', end_of_line)
   Call: (221) [system] char_type('A', space)
   Fail: (221) [system] char_type('A', space)
   Call: (221) [system] char_type('A', cntrl)
   Fail: (221) [system] char_type('A', cntrl)
^  Fail: (220) [user] is_like_space('A')
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] get_char((0x563acd73bee0), _1437398)
   Exit: (219) [system] get_char((0x563acd73bee0), 'A')
   Call: (219) [system] 'A'='('
   Fail: (219) [system] 'A'='('
   Call: (219) [system] 'A'='['
   Fail: (219) [system] 'A'='['
   Call: (219) [system] 'A'='{'
   Fail: (219) [system] 'A'='{'
   Call: (219) [system] 'A'='"'
   Fail: (219) [system] 'A'='"'
   Call: (219) [system] 'A'=!
   Fail: (219) [system] 'A'=!
   Call: (219) [system] 'A'='\''
   Fail: (219) [system] 'A'='\''
   Call: (219) [system] 'A'='`'
   Fail: (219) [system] 'A'='`'
   Call: (219) [system] 'A'=end_of_file
   Fail: (219) [system] 'A'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x563acd73bee0), 'A', _1419530)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _1455040)
   Call: (221) [system] peek_char((0x563acd73bee0), _1455974)
   Exit: (221) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (221) [user] is_delimiter(' ')
   Call: (222) [system] char_type(' ', space)
   Exit: (222) [system] char_type(' ', space)
^  Exit: (221) [user] is_delimiter(' ')
   Call: (221) [system] _1455040=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (220) [user] classify_and_convert_charseq(['A'], _1419530)
^  Call: (221) [user] classify_and_convert_charseq_(['A'], _1465258)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_1466210, _1466212), once(user:catch(read_from_chars(['A'], _1465258), _1466192, fail)), '$restore_trace'(_1466210, _1466212))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_1466210, _1466212))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1465258), _1466192, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_1465258)
   Fail: (222) [system] atomic(_1465258)
   Call: (222) [system] atom_chars(_1465258, ['A'])
   Exit: (222) [system] atom_chars('A', ['A'])
^  Exit: (221) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (221) [system] integer('A')
   Fail: (221) [system] integer('A')
   Call: (221) [system] _1419530='A'
   Exit: (221) [system] 'A'='A'
^  Exit: (220) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (219) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (218) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (218) [user] read_list(')', (0x563acd73bee0), _1480208)
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _1482066)
   Exit: (220) [system] peek_char((0x563acd73bee0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x563acd73bee0), _1491660)
   Exit: (220) [system] get_char((0x563acd73bee0), ' ')
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _1494364)
   Exit: (221) [system] peek_char((0x563acd73bee0), 'B')
   Call: (221) [system] 'B'=(;)
   Fail: (221) [system] 'B'=(;)
   Call: (221) [system] 'B'=(/)
   Fail: (221) [system] 'B'=(/)
^  Call: (221) [user] is_like_space('B')
   Call: (222) [system] char_type('B', 'white')
   Fail: (222) [system] char_type('B', 'white')
   Call: (222) [system] char_type('B', end_of_line)
   Fail: (222) [system] char_type('B', end_of_line)
   Call: (222) [system] char_type('B', space)
   Fail: (222) [system] char_type('B', space)
   Call: (222) [system] char_type('B', cntrl)
   Fail: (222) [system] char_type('B', cntrl)
^  Fail: (221) [user] is_like_space('B')
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _1511298)
   Exit: (219) [system] peek_char((0x563acd73bee0), 'B')
   Call: (219) [system] 'B'=')'
   Fail: (219) [system] 'B'=')'
   Call: (219) [system] 'B'=end_of_file
   Fail: (219) [system] 'B'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x563acd73bee0), _1516868)
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _1518726)
   Exit: (221) [system] peek_char((0x563acd73bee0), 'B')
   Call: (221) [system] 'B'=(;)
   Fail: (221) [system] 'B'=(;)
   Call: (221) [system] 'B'=(/)
   Fail: (221) [system] 'B'=(/)
^  Call: (221) [user] is_like_space('B')
   Call: (222) [system] char_type('B', 'white')
   Fail: (222) [system] char_type('B', 'white')
   Call: (222) [system] char_type('B', end_of_line)
   Fail: (222) [system] char_type('B', end_of_line)
   Call: (222) [system] char_type('B', space)
   Fail: (222) [system] char_type('B', space)
   Call: (222) [system] char_type('B', cntrl)
   Fail: (222) [system] char_type('B', cntrl)
^  Fail: (221) [user] is_like_space('B')
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] get_char((0x563acd73bee0), _1534736)
   Exit: (220) [system] get_char((0x563acd73bee0), 'B')
   Call: (220) [system] 'B'='('
   Fail: (220) [system] 'B'='('
   Call: (220) [system] 'B'='['
   Fail: (220) [system] 'B'='['
   Call: (220) [system] 'B'='{'
   Fail: (220) [system] 'B'='{'
   Call: (220) [system] 'B'='"'
   Fail: (220) [system] 'B'='"'
   Call: (220) [system] 'B'=!
   Fail: (220) [system] 'B'=!
   Call: (220) [system] 'B'='\''
   Fail: (220) [system] 'B'='\''
   Call: (220) [system] 'B'='`'
   Fail: (220) [system] 'B'='`'
   Call: (220) [system] 'B'=end_of_file
   Fail: (220) [system] 'B'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x563acd73bee0), 'B', _1516868)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _1552378)
   Call: (222) [system] peek_char((0x563acd73bee0), _1553312)
   Exit: (222) [system] peek_char((0x563acd73bee0), ')')
^  Call: (222) [user] is_delimiter(')')
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] arg(_1558032, v('(', ')', end_of_file), ')')
   Exit: (223) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (222) [user] is_delimiter(')')
   Call: (222) [system] _1552378=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (221) [user] classify_and_convert_charseq(['B'], _1516868)
^  Call: (222) [user] classify_and_convert_charseq_(['B'], _1564468)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_1565420, _1565422), once(user:catch(read_from_chars(['B'], _1564468), _1565402, fail)), '$restore_trace'(_1565420, _1565422))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_1565420, _1565422))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1564468), _1565402, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_1564468)
   Fail: (223) [system] atomic(_1564468)
   Call: (223) [system] atom_chars(_1564468, ['B'])
   Exit: (223) [system] atom_chars('B', ['B'])
^  Exit: (222) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (222) [system] integer('B')
   Fail: (222) [system] integer('B')
   Call: (222) [system] _1516868='B'
   Exit: (222) [system] 'B'='B'
^  Exit: (221) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (220) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (219) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (219) [user] read_list(')', (0x563acd73bee0), _1579418)
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _1581276)
   Exit: (221) [system] peek_char((0x563acd73bee0), ')')
   Call: (221) [system] ')'=(;)
   Fail: (221) [system] ')'=(;)
   Call: (221) [system] ')'=(/)
   Fail: (221) [system] ')'=(/)
^  Call: (221) [user] is_like_space(')')
   Call: (222) [system] char_type(')', 'white')
   Fail: (222) [system] char_type(')', 'white')
   Call: (222) [system] char_type(')', end_of_line)
   Fail: (222) [system] char_type(')', end_of_line)
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] char_type(')', cntrl)
   Fail: (222) [system] char_type(')', cntrl)
^  Fail: (221) [user] is_like_space(')')
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _1597286)
   Exit: (220) [system] peek_char((0x563acd73bee0), ')')
   Call: (220) [system] ')'=')'
   Exit: (220) [system] ')'=')'
   Call: (220) [system] get_char((0x563acd73bee0), _1601076)
   Exit: (220) [system] get_char((0x563acd73bee0), ')')
   Call: (220) [system] _1579418=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_list(')', (0x563acd73bee0), [])
   Call: (219) [system] _1480208=['B']
   Exit: (219) [system] ['B']=['B']
^  Exit: (218) [user] read_list(')', (0x563acd73bee0), ['B'])
   Call: (218) [system] _1382870=['A', 'B']
   Exit: (218) [system] ['A', 'B']=['A', 'B']
^  Exit: (217) [user] read_list(')', (0x563acd73bee0), ['A', 'B'])
   Call: (217) [system] _1176794=['AndLink', 'A', 'B']
   Exit: (217) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (216) [user] read_list(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Exit: (215) [user] cont_sexpr(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Call: (215) [user] read_list(')', (0x563acd73bee0), _1614958)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1616816)
   Exit: (217) [system] peek_char((0x563acd73bee0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x563acd73bee0), _1626410)
   Exit: (217) [system] get_char((0x563acd73bee0), ' ')
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _1629114)
   Exit: (218) [system] peek_char((0x563acd73bee0), 'C')
   Call: (218) [system] 'C'=(;)
   Fail: (218) [system] 'C'=(;)
   Call: (218) [system] 'C'=(/)
   Fail: (218) [system] 'C'=(/)
^  Call: (218) [user] is_like_space('C')
   Call: (219) [system] char_type('C', 'white')
   Fail: (219) [system] char_type('C', 'white')
   Call: (219) [system] char_type('C', end_of_line)
   Fail: (219) [system] char_type('C', end_of_line)
   Call: (219) [system] char_type('C', space)
   Fail: (219) [system] char_type('C', space)
   Call: (219) [system] char_type('C', cntrl)
   Fail: (219) [system] char_type('C', cntrl)
^  Fail: (218) [user] is_like_space('C')
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1646048)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'C')
   Call: (216) [system] 'C'=')'
   Fail: (216) [system] 'C'=')'
   Call: (216) [system] 'C'=end_of_file
   Fail: (216) [system] 'C'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x563acd73bee0), _1651618)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _1653476)
   Exit: (218) [system] peek_char((0x563acd73bee0), 'C')
   Call: (218) [system] 'C'=(;)
   Fail: (218) [system] 'C'=(;)
   Call: (218) [system] 'C'=(/)
   Fail: (218) [system] 'C'=(/)
^  Call: (218) [user] is_like_space('C')
   Call: (219) [system] char_type('C', 'white')
   Fail: (219) [system] char_type('C', 'white')
   Call: (219) [system] char_type('C', end_of_line)
   Fail: (219) [system] char_type('C', end_of_line)
   Call: (219) [system] char_type('C', space)
   Fail: (219) [system] char_type('C', space)
   Call: (219) [system] char_type('C', cntrl)
   Fail: (219) [system] char_type('C', cntrl)
^  Fail: (218) [user] is_like_space('C')
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] get_char((0x563acd73bee0), _1669486)
   Exit: (217) [system] get_char((0x563acd73bee0), 'C')
   Call: (217) [system] 'C'='('
   Fail: (217) [system] 'C'='('
   Call: (217) [system] 'C'='['
   Fail: (217) [system] 'C'='['
   Call: (217) [system] 'C'='{'
   Fail: (217) [system] 'C'='{'
   Call: (217) [system] 'C'='"'
   Fail: (217) [system] 'C'='"'
   Call: (217) [system] 'C'=!
   Fail: (217) [system] 'C'=!
   Call: (217) [system] 'C'='\''
   Fail: (217) [system] 'C'='\''
   Call: (217) [system] 'C'='`'
   Fail: (217) [system] 'C'='`'
   Call: (217) [system] 'C'=end_of_file
   Fail: (217) [system] 'C'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x563acd73bee0), 'C', _1651618)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _1687128)
   Call: (219) [system] peek_char((0x563acd73bee0), _1688062)
   Exit: (219) [system] peek_char((0x563acd73bee0), ')')
^  Call: (219) [user] is_delimiter(')')
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] arg(_1692782, v('(', ')', end_of_file), ')')
   Exit: (220) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (219) [user] is_delimiter(')')
   Call: (219) [system] _1687128=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (218) [user] classify_and_convert_charseq(['C'], _1651618)
^  Call: (219) [user] classify_and_convert_charseq_(['C'], _1699218)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_1700170, _1700172), once(user:catch(read_from_chars(['C'], _1699218), _1700152, fail)), '$restore_trace'(_1700170, _1700172))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_1700170, _1700172))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1699218), _1700152, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_1699218)
   Fail: (220) [system] atomic(_1699218)
   Call: (220) [system] atom_chars(_1699218, ['C'])
   Exit: (220) [system] atom_chars('C', ['C'])
^  Exit: (219) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (219) [system] integer('C')
   Fail: (219) [system] integer('C')
   Call: (219) [system] _1651618='C'
   Exit: (219) [system] 'C'='C'
^  Exit: (218) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (217) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (216) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (216) [user] read_list(')', (0x563acd73bee0), _1714168)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _1716026)
   Exit: (218) [system] peek_char((0x563acd73bee0), ')')
   Call: (218) [system] ')'=(;)
   Fail: (218) [system] ')'=(;)
   Call: (218) [system] ')'=(/)
   Fail: (218) [system] ')'=(/)
^  Call: (218) [user] is_like_space(')')
   Call: (219) [system] char_type(')', 'white')
   Fail: (219) [system] char_type(')', 'white')
   Call: (219) [system] char_type(')', end_of_line)
   Fail: (219) [system] char_type(')', end_of_line)
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] char_type(')', cntrl)
   Fail: (219) [system] char_type(')', cntrl)
^  Fail: (218) [user] is_like_space(')')
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1732036)
   Exit: (217) [system] peek_char((0x563acd73bee0), ')')
   Call: (217) [system] ')'=')'
   Exit: (217) [system] ')'=')'
   Call: (217) [system] get_char((0x563acd73bee0), _1735826)
   Exit: (217) [system] get_char((0x563acd73bee0), ')')
   Call: (217) [system] _1714168=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_list(')', (0x563acd73bee0), [])
   Call: (216) [system] _1614958=['C']
   Exit: (216) [system] ['C']=['C']
^  Exit: (215) [user] read_list(')', (0x563acd73bee0), ['C'])
   Call: (215) [system] _1140134=[['AndLink', 'A', 'B'], 'C']
   Exit: (215) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (214) [user] read_list(')', (0x563acd73bee0), [['AndLink', 'A', 'B'], 'C'])
   Call: (214) [system] _867138=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (214) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (213) [user] read_list(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (212) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (212) [user] read_list(')', (0x563acd73bee0), _1749708)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1751566)
   Exit: (214) [system] peek_char((0x563acd73bee0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x563acd73bee0), _1761160)
   Exit: (214) [system] get_char((0x563acd73bee0), ' ')
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1763864)
   Exit: (215) [system] peek_char((0x563acd73bee0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1780798)
   Exit: (213) [system] peek_char((0x563acd73bee0), '(')
   Call: (213) [system] '('=')'
   Fail: (213) [system] '('=')'
   Call: (213) [system] '('=end_of_file
   Fail: (213) [system] '('=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x563acd73bee0), _1786368)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1788226)
   Exit: (215) [system] peek_char((0x563acd73bee0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] get_char((0x563acd73bee0), _1804236)
   Exit: (214) [system] get_char((0x563acd73bee0), '(')
   Call: (214) [system] '('='('
   Exit: (214) [system] '('='('
^  Call: (214) [user] read_list(')', (0x563acd73bee0), _1786368)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1809806)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'O')
   Call: (216) [system] 'O'=(;)
   Fail: (216) [system] 'O'=(;)
   Call: (216) [system] 'O'=(/)
   Fail: (216) [system] 'O'=(/)
^  Call: (216) [user] is_like_space('O')
   Call: (217) [system] char_type('O', 'white')
   Fail: (217) [system] char_type('O', 'white')
   Call: (217) [system] char_type('O', end_of_line)
   Fail: (217) [system] char_type('O', end_of_line)
   Call: (217) [system] char_type('O', space)
   Fail: (217) [system] char_type('O', space)
   Call: (217) [system] char_type('O', cntrl)
   Fail: (217) [system] char_type('O', cntrl)
^  Fail: (216) [user] is_like_space('O')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1825816)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'O')
   Call: (215) [system] 'O'=')'
   Fail: (215) [system] 'O'=')'
   Call: (215) [system] 'O'=end_of_file
   Fail: (215) [system] 'O'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x563acd73bee0), _1831386)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1833244)
   Exit: (217) [system] peek_char((0x563acd73bee0), 'O')
   Call: (217) [system] 'O'=(;)
   Fail: (217) [system] 'O'=(;)
   Call: (217) [system] 'O'=(/)
   Fail: (217) [system] 'O'=(/)
^  Call: (217) [user] is_like_space('O')
   Call: (218) [system] char_type('O', 'white')
   Fail: (218) [system] char_type('O', 'white')
   Call: (218) [system] char_type('O', end_of_line)
   Fail: (218) [system] char_type('O', end_of_line)
   Call: (218) [system] char_type('O', space)
   Fail: (218) [system] char_type('O', space)
   Call: (218) [system] char_type('O', cntrl)
   Fail: (218) [system] char_type('O', cntrl)
^  Fail: (217) [user] is_like_space('O')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] get_char((0x563acd73bee0), _1849254)
   Exit: (216) [system] get_char((0x563acd73bee0), 'O')
   Call: (216) [system] 'O'='('
   Fail: (216) [system] 'O'='('
   Call: (216) [system] 'O'='['
   Fail: (216) [system] 'O'='['
   Call: (216) [system] 'O'='{'
   Fail: (216) [system] 'O'='{'
   Call: (216) [system] 'O'='"'
   Fail: (216) [system] 'O'='"'
   Call: (216) [system] 'O'=!
   Fail: (216) [system] 'O'=!
   Call: (216) [system] 'O'='\''
   Fail: (216) [system] 'O'='\''
   Call: (216) [system] 'O'='`'
   Fail: (216) [system] 'O'='`'
   Call: (216) [system] 'O'=end_of_file
   Fail: (216) [system] 'O'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x563acd73bee0), 'O', _1831386)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _1866896)
   Call: (218) [system] peek_char((0x563acd73bee0), _1867830)
   Exit: (218) [system] peek_char((0x563acd73bee0), r)
^  Call: (218) [user] is_delimiter(r)
   Call: (219) [system] char_type(r, space)
   Fail: (219) [system] char_type(r, space)
   Call: (219) [system] arg(_1872550, v('(', ')', end_of_file), r)
   Fail: (219) [system] arg(_1873482, v('(', ')', end_of_file), r)
^  Fail: (218) [user] is_delimiter(r)
   Call: (218) [system] ')'==r
   Fail: (218) [system] ')'==r
   Call: (218) [system] get_char((0x563acd73bee0), r)
   Exit: (218) [system] get_char((0x563acd73bee0), r)
   Call: (218) [system] r=(\)
   Fail: (218) [system] r=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _1880832)
   Call: (219) [system] peek_char((0x563acd73bee0), _1881766)
   Exit: (219) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (219) [user] is_delimiter('L')
   Call: (220) [system] char_type('L', space)
   Fail: (220) [system] char_type('L', space)
   Call: (220) [system] arg(_1886486, v('(', ')', end_of_file), 'L')
   Fail: (220) [system] arg(_1887418, v('(', ')', end_of_file), 'L')
^  Fail: (219) [user] is_delimiter('L')
   Call: (219) [system] ')'=='L'
   Fail: (219) [system] ')'=='L'
   Call: (219) [system] get_char((0x563acd73bee0), 'L')
   Exit: (219) [system] get_char((0x563acd73bee0), 'L')
   Call: (219) [system] 'L'=(\)
   Fail: (219) [system] 'L'=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _1894768)
   Call: (220) [system] peek_char((0x563acd73bee0), _1895702)
   Exit: (220) [system] peek_char((0x563acd73bee0), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_1900422, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_1901354, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x563acd73bee0), i)
   Exit: (220) [system] get_char((0x563acd73bee0), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _1908704)
   Call: (221) [system] peek_char((0x563acd73bee0), _1909638)
   Exit: (221) [system] peek_char((0x563acd73bee0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_1914358, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_1915290, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x563acd73bee0), n)
   Exit: (221) [system] get_char((0x563acd73bee0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _1922640)
   Call: (222) [system] peek_char((0x563acd73bee0), _1923574)
   Exit: (222) [system] peek_char((0x563acd73bee0), k)
^  Call: (222) [user] is_delimiter(k)
   Call: (223) [system] char_type(k, space)
   Fail: (223) [system] char_type(k, space)
   Call: (223) [system] arg(_1928294, v('(', ')', end_of_file), k)
   Fail: (223) [system] arg(_1929226, v('(', ')', end_of_file), k)
^  Fail: (222) [user] is_delimiter(k)
   Call: (222) [system] ')'==k
   Fail: (222) [system] ')'==k
   Call: (222) [system] get_char((0x563acd73bee0), k)
   Exit: (222) [system] get_char((0x563acd73bee0), k)
   Call: (222) [system] k=(\)
   Fail: (222) [system] k=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _1936576)
   Call: (223) [system] peek_char((0x563acd73bee0), _1937510)
   Exit: (223) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _1936576=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (222) [system] _1922640=[k]
   Exit: (222) [system] [k]=[k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (221) [system] _1908704=[n, k]
   Exit: (221) [system] [n, k]=[n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (220) [system] _1894768=[i, n, k]
   Exit: (220) [system] [i, n, k]=[i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (219) [system] _1880832=['L', i, n, k]
   Exit: (219) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (218) [system] _1866896=[r, 'L', i, n, k]
   Exit: (218) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (217) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1831386)
^  Call: (218) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1960764)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_1961716, _1961718), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1960764), _1961698, fail)), '$restore_trace'(_1961716, _1961718))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_1961716, _1961718))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1960764), _1961698, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_1960764)
   Fail: (219) [system] atomic(_1960764)
   Call: (219) [system] atom_chars(_1960764, ['O', r, 'L', i, n, k])
   Exit: (219) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (218) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (218) [system] integer('OrLink')
   Fail: (218) [system] integer('OrLink')
   Call: (218) [system] _1831386='OrLink'
   Exit: (218) [system] 'OrLink'='OrLink'
^  Exit: (217) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (216) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (215) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (215) [user] read_list(')', (0x563acd73bee0), _1975714)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1977572)
   Exit: (217) [system] peek_char((0x563acd73bee0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x563acd73bee0), _1987166)
   Exit: (217) [system] get_char((0x563acd73bee0), ' ')
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _1989870)
   Exit: (218) [system] peek_char((0x563acd73bee0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _2006804)
   Exit: (216) [system] peek_char((0x563acd73bee0), '(')
   Call: (216) [system] '('=')'
   Fail: (216) [system] '('=')'
   Call: (216) [system] '('=end_of_file
   Fail: (216) [system] '('=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x563acd73bee0), _2012374)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _2014232)
   Exit: (218) [system] peek_char((0x563acd73bee0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] get_char((0x563acd73bee0), _2030242)
   Exit: (217) [system] get_char((0x563acd73bee0), '(')
   Call: (217) [system] '('='('
   Exit: (217) [system] '('='('
^  Call: (217) [user] read_list(')', (0x563acd73bee0), _2012374)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _2035812)
   Exit: (219) [system] peek_char((0x563acd73bee0), 'I')
   Call: (219) [system] 'I'=(;)
   Fail: (219) [system] 'I'=(;)
   Call: (219) [system] 'I'=(/)
   Fail: (219) [system] 'I'=(/)
^  Call: (219) [user] is_like_space('I')
   Call: (220) [system] char_type('I', 'white')
   Fail: (220) [system] char_type('I', 'white')
   Call: (220) [system] char_type('I', end_of_line)
   Fail: (220) [system] char_type('I', end_of_line)
   Call: (220) [system] char_type('I', space)
   Fail: (220) [system] char_type('I', space)
   Call: (220) [system] char_type('I', cntrl)
   Fail: (220) [system] char_type('I', cntrl)
^  Fail: (219) [user] is_like_space('I')
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _2051822)
   Exit: (218) [system] peek_char((0x563acd73bee0), 'I')
   Call: (218) [system] 'I'=')'
   Fail: (218) [system] 'I'=')'
   Call: (218) [system] 'I'=end_of_file
   Fail: (218) [system] 'I'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x563acd73bee0), _2057392)
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _2059250)
   Exit: (220) [system] peek_char((0x563acd73bee0), 'I')
   Call: (220) [system] 'I'=(;)
   Fail: (220) [system] 'I'=(;)
   Call: (220) [system] 'I'=(/)
   Fail: (220) [system] 'I'=(/)
^  Call: (220) [user] is_like_space('I')
   Call: (221) [system] char_type('I', 'white')
   Fail: (221) [system] char_type('I', 'white')
   Call: (221) [system] char_type('I', end_of_line)
   Fail: (221) [system] char_type('I', end_of_line)
   Call: (221) [system] char_type('I', space)
   Fail: (221) [system] char_type('I', space)
   Call: (221) [system] char_type('I', cntrl)
   Fail: (221) [system] char_type('I', cntrl)
^  Fail: (220) [user] is_like_space('I')
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] get_char((0x563acd73bee0), _2075260)
   Exit: (219) [system] get_char((0x563acd73bee0), 'I')
   Call: (219) [system] 'I'='('
   Fail: (219) [system] 'I'='('
   Call: (219) [system] 'I'='['
   Fail: (219) [system] 'I'='['
   Call: (219) [system] 'I'='{'
   Fail: (219) [system] 'I'='{'
   Call: (219) [system] 'I'='"'
   Fail: (219) [system] 'I'='"'
   Call: (219) [system] 'I'=!
   Fail: (219) [system] 'I'=!
   Call: (219) [system] 'I'='\''
   Fail: (219) [system] 'I'='\''
   Call: (219) [system] 'I'='`'
   Fail: (219) [system] 'I'='`'
   Call: (219) [system] 'I'=end_of_file
   Fail: (219) [system] 'I'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x563acd73bee0), 'I', _2057392)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _2092902)
   Call: (221) [system] peek_char((0x563acd73bee0), _2093836)
   Exit: (221) [system] peek_char((0x563acd73bee0), m)
^  Call: (221) [user] is_delimiter(m)
   Call: (222) [system] char_type(m, space)
   Fail: (222) [system] char_type(m, space)
   Call: (222) [system] arg(_7324, v('(', ')', end_of_file), m)
   Fail: (222) [system] arg(_8256, v('(', ')', end_of_file), m)
^  Fail: (221) [user] is_delimiter(m)
   Call: (221) [system] ')'==m
   Fail: (221) [system] ')'==m
   Call: (221) [system] get_char((0x563acd73bee0), m)
   Exit: (221) [system] get_char((0x563acd73bee0), m)
   Call: (221) [system] m=(\)
   Fail: (221) [system] m=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _15606)
   Call: (222) [system] peek_char((0x563acd73bee0), _16540)
   Exit: (222) [system] peek_char((0x563acd73bee0), p)
^  Call: (222) [user] is_delimiter(p)
   Call: (223) [system] char_type(p, space)
   Fail: (223) [system] char_type(p, space)
   Call: (223) [system] arg(_21260, v('(', ')', end_of_file), p)
   Fail: (223) [system] arg(_22192, v('(', ')', end_of_file), p)
^  Fail: (222) [user] is_delimiter(p)
   Call: (222) [system] ')'==p
   Fail: (222) [system] ')'==p
   Call: (222) [system] get_char((0x563acd73bee0), p)
   Exit: (222) [system] get_char((0x563acd73bee0), p)
   Call: (222) [system] p=(\)
   Fail: (222) [system] p=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _29542)
   Call: (223) [system] peek_char((0x563acd73bee0), _30476)
   Exit: (223) [system] peek_char((0x563acd73bee0), l)
^  Call: (223) [user] is_delimiter(l)
   Call: (224) [system] char_type(l, space)
   Fail: (224) [system] char_type(l, space)
   Call: (224) [system] arg(_35196, v('(', ')', end_of_file), l)
   Fail: (224) [system] arg(_36128, v('(', ')', end_of_file), l)
^  Fail: (223) [user] is_delimiter(l)
   Call: (223) [system] ')'==l
   Fail: (223) [system] ')'==l
   Call: (223) [system] get_char((0x563acd73bee0), l)
   Exit: (223) [system] get_char((0x563acd73bee0), l)
   Call: (223) [system] l=(\)
   Fail: (223) [system] l=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _43478)
   Call: (224) [system] peek_char((0x563acd73bee0), _44412)
   Exit: (224) [system] peek_char((0x563acd73bee0), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Fail: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_49132, v('(', ')', end_of_file), i)
   Fail: (225) [system] arg(_50064, v('(', ')', end_of_file), i)
^  Fail: (224) [user] is_delimiter(i)
   Call: (224) [system] ')'==i
   Fail: (224) [system] ')'==i
   Call: (224) [system] get_char((0x563acd73bee0), i)
   Exit: (224) [system] get_char((0x563acd73bee0), i)
   Call: (224) [system] i=(\)
   Fail: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _57414)
   Call: (225) [system] peek_char((0x563acd73bee0), _58348)
   Exit: (225) [system] peek_char((0x563acd73bee0), c)
^  Call: (225) [user] is_delimiter(c)
   Call: (226) [system] char_type(c, space)
   Fail: (226) [system] char_type(c, space)
   Call: (226) [system] arg(_63068, v('(', ')', end_of_file), c)
   Fail: (226) [system] arg(_64000, v('(', ')', end_of_file), c)
^  Fail: (225) [user] is_delimiter(c)
   Call: (225) [system] ')'==c
   Fail: (225) [system] ')'==c
   Call: (225) [system] get_char((0x563acd73bee0), c)
   Exit: (225) [system] get_char((0x563acd73bee0), c)
   Call: (225) [system] c=(\)
   Fail: (225) [system] c=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _71350)
   Call: (226) [system] peek_char((0x563acd73bee0), _72284)
   Exit: (226) [system] peek_char((0x563acd73bee0), a)
^  Call: (226) [user] is_delimiter(a)
   Call: (227) [system] char_type(a, space)
   Fail: (227) [system] char_type(a, space)
   Call: (227) [system] arg(_77004, v('(', ')', end_of_file), a)
   Fail: (227) [system] arg(_77936, v('(', ')', end_of_file), a)
^  Fail: (226) [user] is_delimiter(a)
   Call: (226) [system] ')'==a
   Fail: (226) [system] ')'==a
   Call: (226) [system] get_char((0x563acd73bee0), a)
   Exit: (226) [system] get_char((0x563acd73bee0), a)
   Call: (226) [system] a=(\)
   Fail: (226) [system] a=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _85286)
   Call: (227) [system] peek_char((0x563acd73bee0), _86220)
   Exit: (227) [system] peek_char((0x563acd73bee0), t)
^  Call: (227) [user] is_delimiter(t)
   Call: (228) [system] char_type(t, space)
   Fail: (228) [system] char_type(t, space)
   Call: (228) [system] arg(_90940, v('(', ')', end_of_file), t)
   Fail: (228) [system] arg(_91872, v('(', ')', end_of_file), t)
^  Fail: (227) [user] is_delimiter(t)
   Call: (227) [system] ')'==t
   Fail: (227) [system] ')'==t
   Call: (227) [system] get_char((0x563acd73bee0), t)
   Exit: (227) [system] get_char((0x563acd73bee0), t)
   Call: (227) [system] t=(\)
   Fail: (227) [system] t=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _99222)
   Call: (228) [system] peek_char((0x563acd73bee0), _100156)
   Exit: (228) [system] peek_char((0x563acd73bee0), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_104876, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_105808, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x563acd73bee0), i)
   Exit: (228) [system] get_char((0x563acd73bee0), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _113158)
   Call: (229) [system] peek_char((0x563acd73bee0), _114092)
   Exit: (229) [system] peek_char((0x563acd73bee0), o)
^  Call: (229) [user] is_delimiter(o)
   Call: (230) [system] char_type(o, space)
   Fail: (230) [system] char_type(o, space)
   Call: (230) [system] arg(_118812, v('(', ')', end_of_file), o)
   Fail: (230) [system] arg(_119744, v('(', ')', end_of_file), o)
^  Fail: (229) [user] is_delimiter(o)
   Call: (229) [system] ')'==o
   Fail: (229) [system] ')'==o
   Call: (229) [system] get_char((0x563acd73bee0), o)
   Exit: (229) [system] get_char((0x563acd73bee0), o)
   Call: (229) [system] o=(\)
   Fail: (229) [system] o=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _127094)
   Call: (230) [system] peek_char((0x563acd73bee0), _128028)
   Exit: (230) [system] peek_char((0x563acd73bee0), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_132748, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_133680, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x563acd73bee0), n)
   Exit: (230) [system] get_char((0x563acd73bee0), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _141030)
   Call: (231) [system] peek_char((0x563acd73bee0), _141964)
   Exit: (231) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _141030=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (230) [system] _127094=[n]
   Exit: (230) [system] [n]=[n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (229) [system] _113158=[o, n]
   Exit: (229) [system] [o, n]=[o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (228) [system] _99222=[i, o, n]
   Exit: (228) [system] [i, o, n]=[i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (227) [system] _85286=[t, i, o, n]
   Exit: (227) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (226) [system] _71350=[a, t, i, o, n]
   Exit: (226) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (225) [system] _57414=[c, a, t, i, o, n]
   Exit: (225) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (224) [system] _43478=[i, c, a, t, i, o, n]
   Exit: (224) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (223) [system] _29542=[l, i, c, a, t, i, o, n]
   Exit: (223) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (222) [system] _15606=[p, l, i, c, a, t, i, o, n]
   Exit: (222) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (221) [system] _5562=[m, p, l, i, c, a, t, i, o, n]
   Exit: (221) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (220) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _5558)
^  Call: (221) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _179188)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_180140, _180142), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _179188), _180122, fail)), '$restore_trace'(_180140, _180142))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_180140, _180142))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _179188), _180122, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_179188)
   Fail: (222) [system] atomic(_179188)
   Call: (222) [system] atom_chars(_179188, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (222) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (221) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (221) [system] integer('Implication')
   Fail: (221) [system] integer('Implication')
   Call: (221) [system] _5558='Implication'
   Exit: (221) [system] 'Implication'='Implication'
^  Exit: (220) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (219) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (218) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (218) [user] read_list(')', (0x563acd73bee0), _194138)
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _195996)
   Exit: (220) [system] peek_char((0x563acd73bee0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x563acd73bee0), _205590)
   Exit: (220) [system] get_char((0x563acd73bee0), ' ')
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _208294)
   Exit: (221) [system] peek_char((0x563acd73bee0), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _225228)
   Exit: (219) [system] peek_char((0x563acd73bee0), '(')
   Call: (219) [system] '('=')'
   Fail: (219) [system] '('=')'
   Call: (219) [system] '('=end_of_file
   Fail: (219) [system] '('=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x563acd73bee0), _230798)
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _232656)
   Exit: (221) [system] peek_char((0x563acd73bee0), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] get_char((0x563acd73bee0), _248666)
   Exit: (220) [system] get_char((0x563acd73bee0), '(')
   Call: (220) [system] '('='('
   Exit: (220) [system] '('='('
^  Call: (220) [user] read_list(')', (0x563acd73bee0), _230798)
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _254236)
   Exit: (222) [system] peek_char((0x563acd73bee0), 'O')
   Call: (222) [system] 'O'=(;)
   Fail: (222) [system] 'O'=(;)
   Call: (222) [system] 'O'=(/)
   Fail: (222) [system] 'O'=(/)
^  Call: (222) [user] is_like_space('O')
   Call: (223) [system] char_type('O', 'white')
   Fail: (223) [system] char_type('O', 'white')
   Call: (223) [system] char_type('O', end_of_line)
   Fail: (223) [system] char_type('O', end_of_line)
   Call: (223) [system] char_type('O', space)
   Fail: (223) [system] char_type('O', space)
   Call: (223) [system] char_type('O', cntrl)
   Fail: (223) [system] char_type('O', cntrl)
^  Fail: (222) [user] is_like_space('O')
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _270246)
   Exit: (221) [system] peek_char((0x563acd73bee0), 'O')
   Call: (221) [system] 'O'=')'
   Fail: (221) [system] 'O'=')'
   Call: (221) [system] 'O'=end_of_file
   Fail: (221) [system] 'O'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x563acd73bee0), _275816)
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _277674)
   Exit: (223) [system] peek_char((0x563acd73bee0), 'O')
   Call: (223) [system] 'O'=(;)
   Fail: (223) [system] 'O'=(;)
   Call: (223) [system] 'O'=(/)
   Fail: (223) [system] 'O'=(/)
^  Call: (223) [user] is_like_space('O')
   Call: (224) [system] char_type('O', 'white')
   Fail: (224) [system] char_type('O', 'white')
   Call: (224) [system] char_type('O', end_of_line)
   Fail: (224) [system] char_type('O', end_of_line)
   Call: (224) [system] char_type('O', space)
   Fail: (224) [system] char_type('O', space)
   Call: (224) [system] char_type('O', cntrl)
   Fail: (224) [system] char_type('O', cntrl)
^  Fail: (223) [user] is_like_space('O')
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] get_char((0x563acd73bee0), _293684)
   Exit: (222) [system] get_char((0x563acd73bee0), 'O')
   Call: (222) [system] 'O'='('
   Fail: (222) [system] 'O'='('
   Call: (222) [system] 'O'='['
   Fail: (222) [system] 'O'='['
   Call: (222) [system] 'O'='{'
   Fail: (222) [system] 'O'='{'
   Call: (222) [system] 'O'='"'
   Fail: (222) [system] 'O'='"'
   Call: (222) [system] 'O'=!
   Fail: (222) [system] 'O'=!
   Call: (222) [system] 'O'='\''
   Fail: (222) [system] 'O'='\''
   Call: (222) [system] 'O'='`'
   Fail: (222) [system] 'O'='`'
   Call: (222) [system] 'O'=end_of_file
   Fail: (222) [system] 'O'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x563acd73bee0), 'O', _275816)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _311326)
   Call: (224) [system] peek_char((0x563acd73bee0), _312260)
   Exit: (224) [system] peek_char((0x563acd73bee0), r)
^  Call: (224) [user] is_delimiter(r)
   Call: (225) [system] char_type(r, space)
   Fail: (225) [system] char_type(r, space)
   Call: (225) [system] arg(_316980, v('(', ')', end_of_file), r)
   Fail: (225) [system] arg(_317912, v('(', ')', end_of_file), r)
^  Fail: (224) [user] is_delimiter(r)
   Call: (224) [system] ')'==r
   Fail: (224) [system] ')'==r
   Call: (224) [system] get_char((0x563acd73bee0), r)
   Exit: (224) [system] get_char((0x563acd73bee0), r)
   Call: (224) [system] r=(\)
   Fail: (224) [system] r=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _325262)
   Call: (225) [system] peek_char((0x563acd73bee0), _326196)
   Exit: (225) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (225) [user] is_delimiter('L')
   Call: (226) [system] char_type('L', space)
   Fail: (226) [system] char_type('L', space)
   Call: (226) [system] arg(_330916, v('(', ')', end_of_file), 'L')
   Fail: (226) [system] arg(_331848, v('(', ')', end_of_file), 'L')
^  Fail: (225) [user] is_delimiter('L')
   Call: (225) [system] ')'=='L'
   Fail: (225) [system] ')'=='L'
   Call: (225) [system] get_char((0x563acd73bee0), 'L')
   Exit: (225) [system] get_char((0x563acd73bee0), 'L')
   Call: (225) [system] 'L'=(\)
   Fail: (225) [system] 'L'=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _339198)
   Call: (226) [system] peek_char((0x563acd73bee0), _340132)
   Exit: (226) [system] peek_char((0x563acd73bee0), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Fail: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_344852, v('(', ')', end_of_file), i)
   Fail: (227) [system] arg(_345784, v('(', ')', end_of_file), i)
^  Fail: (226) [user] is_delimiter(i)
   Call: (226) [system] ')'==i
   Fail: (226) [system] ')'==i
   Call: (226) [system] get_char((0x563acd73bee0), i)
   Exit: (226) [system] get_char((0x563acd73bee0), i)
   Call: (226) [system] i=(\)
   Fail: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _353134)
   Call: (227) [system] peek_char((0x563acd73bee0), _354068)
   Exit: (227) [system] peek_char((0x563acd73bee0), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_358788, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_359720, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x563acd73bee0), n)
   Exit: (227) [system] get_char((0x563acd73bee0), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _367070)
   Call: (228) [system] peek_char((0x563acd73bee0), _368004)
   Exit: (228) [system] peek_char((0x563acd73bee0), k)
^  Call: (228) [user] is_delimiter(k)
   Call: (229) [system] char_type(k, space)
   Fail: (229) [system] char_type(k, space)
   Call: (229) [system] arg(_372724, v('(', ')', end_of_file), k)
   Fail: (229) [system] arg(_373656, v('(', ')', end_of_file), k)
^  Fail: (228) [user] is_delimiter(k)
   Call: (228) [system] ')'==k
   Fail: (228) [system] ')'==k
   Call: (228) [system] get_char((0x563acd73bee0), k)
   Exit: (228) [system] get_char((0x563acd73bee0), k)
   Call: (228) [system] k=(\)
   Fail: (228) [system] k=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _381006)
   Call: (229) [system] peek_char((0x563acd73bee0), _381940)
   Exit: (229) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _381006=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (228) [system] _367070=[k]
   Exit: (228) [system] [k]=[k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (227) [system] _353134=[n, k]
   Exit: (227) [system] [n, k]=[n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (226) [system] _339198=[i, n, k]
   Exit: (226) [system] [i, n, k]=[i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (225) [system] _325262=['L', i, n, k]
   Exit: (225) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (224) [system] _311326=[r, 'L', i, n, k]
   Exit: (224) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (223) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _275816)
^  Call: (224) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _405194)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_406146, _406148), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _405194), _406128, fail)), '$restore_trace'(_406146, _406148))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_406146, _406148))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _405194), _406128, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_405194)
   Fail: (225) [system] atomic(_405194)
   Call: (225) [system] atom_chars(_405194, ['O', r, 'L', i, n, k])
   Exit: (225) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (224) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (224) [system] integer('OrLink')
   Fail: (224) [system] integer('OrLink')
   Call: (224) [system] _275816='OrLink'
   Exit: (224) [system] 'OrLink'='OrLink'
^  Exit: (223) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (222) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (221) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (221) [user] read_list(')', (0x563acd73bee0), _420144)
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _422002)
   Exit: (223) [system] peek_char((0x563acd73bee0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x563acd73bee0), _431596)
   Exit: (223) [system] get_char((0x563acd73bee0), ' ')
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _434300)
   Exit: (224) [system] peek_char((0x563acd73bee0), 'C')
   Call: (224) [system] 'C'=(;)
   Fail: (224) [system] 'C'=(;)
   Call: (224) [system] 'C'=(/)
   Fail: (224) [system] 'C'=(/)
^  Call: (224) [user] is_like_space('C')
   Call: (225) [system] char_type('C', 'white')
   Fail: (225) [system] char_type('C', 'white')
   Call: (225) [system] char_type('C', end_of_line)
   Fail: (225) [system] char_type('C', end_of_line)
   Call: (225) [system] char_type('C', space)
   Fail: (225) [system] char_type('C', space)
   Call: (225) [system] char_type('C', cntrl)
   Fail: (225) [system] char_type('C', cntrl)
^  Fail: (224) [user] is_like_space('C')
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _451234)
   Exit: (222) [system] peek_char((0x563acd73bee0), 'C')
   Call: (222) [system] 'C'=')'
   Fail: (222) [system] 'C'=')'
   Call: (222) [system] 'C'=end_of_file
   Fail: (222) [system] 'C'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x563acd73bee0), _456804)
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _458662)
   Exit: (224) [system] peek_char((0x563acd73bee0), 'C')
   Call: (224) [system] 'C'=(;)
   Fail: (224) [system] 'C'=(;)
   Call: (224) [system] 'C'=(/)
   Fail: (224) [system] 'C'=(/)
^  Call: (224) [user] is_like_space('C')
   Call: (225) [system] char_type('C', 'white')
   Fail: (225) [system] char_type('C', 'white')
   Call: (225) [system] char_type('C', end_of_line)
   Fail: (225) [system] char_type('C', end_of_line)
   Call: (225) [system] char_type('C', space)
   Fail: (225) [system] char_type('C', space)
   Call: (225) [system] char_type('C', cntrl)
   Fail: (225) [system] char_type('C', cntrl)
^  Fail: (224) [user] is_like_space('C')
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] get_char((0x563acd73bee0), _474672)
   Exit: (223) [system] get_char((0x563acd73bee0), 'C')
   Call: (223) [system] 'C'='('
   Fail: (223) [system] 'C'='('
   Call: (223) [system] 'C'='['
   Fail: (223) [system] 'C'='['
   Call: (223) [system] 'C'='{'
   Fail: (223) [system] 'C'='{'
   Call: (223) [system] 'C'='"'
   Fail: (223) [system] 'C'='"'
   Call: (223) [system] 'C'=!
   Fail: (223) [system] 'C'=!
   Call: (223) [system] 'C'='\''
   Fail: (223) [system] 'C'='\''
   Call: (223) [system] 'C'='`'
   Fail: (223) [system] 'C'='`'
   Call: (223) [system] 'C'=end_of_file
   Fail: (223) [system] 'C'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x563acd73bee0), 'C', _456804)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _492314)
   Call: (225) [system] peek_char((0x563acd73bee0), _493248)
   Exit: (225) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _492314=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (224) [user] classify_and_convert_charseq(['C'], _456804)
^  Call: (225) [user] classify_and_convert_charseq_(['C'], _502532)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_503484, _503486), once(user:catch(read_from_chars(['C'], _502532), _503466, fail)), '$restore_trace'(_503484, _503486))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_503484, _503486))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _502532), _503466, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_502532)
   Fail: (226) [system] atomic(_502532)
   Call: (226) [system] atom_chars(_502532, ['C'])
   Exit: (226) [system] atom_chars('C', ['C'])
^  Exit: (225) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (225) [system] integer('C')
   Fail: (225) [system] integer('C')
   Call: (225) [system] _456804='C'
   Exit: (225) [system] 'C'='C'
^  Exit: (224) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (223) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (222) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (222) [user] read_list(')', (0x563acd73bee0), _517482)
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _519340)
   Exit: (224) [system] peek_char((0x563acd73bee0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x563acd73bee0), _528934)
   Exit: (224) [system] get_char((0x563acd73bee0), ' ')
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _531638)
   Exit: (225) [system] peek_char((0x563acd73bee0), 'D')
   Call: (225) [system] 'D'=(;)
   Fail: (225) [system] 'D'=(;)
   Call: (225) [system] 'D'=(/)
   Fail: (225) [system] 'D'=(/)
^  Call: (225) [user] is_like_space('D')
   Call: (226) [system] char_type('D', 'white')
   Fail: (226) [system] char_type('D', 'white')
   Call: (226) [system] char_type('D', end_of_line)
   Fail: (226) [system] char_type('D', end_of_line)
   Call: (226) [system] char_type('D', space)
   Fail: (226) [system] char_type('D', space)
   Call: (226) [system] char_type('D', cntrl)
   Fail: (226) [system] char_type('D', cntrl)
^  Fail: (225) [user] is_like_space('D')
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _548572)
   Exit: (223) [system] peek_char((0x563acd73bee0), 'D')
   Call: (223) [system] 'D'=')'
   Fail: (223) [system] 'D'=')'
   Call: (223) [system] 'D'=end_of_file
   Fail: (223) [system] 'D'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x563acd73bee0), _554142)
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _556000)
   Exit: (225) [system] peek_char((0x563acd73bee0), 'D')
   Call: (225) [system] 'D'=(;)
   Fail: (225) [system] 'D'=(;)
   Call: (225) [system] 'D'=(/)
   Fail: (225) [system] 'D'=(/)
^  Call: (225) [user] is_like_space('D')
   Call: (226) [system] char_type('D', 'white')
   Fail: (226) [system] char_type('D', 'white')
   Call: (226) [system] char_type('D', end_of_line)
   Fail: (226) [system] char_type('D', end_of_line)
   Call: (226) [system] char_type('D', space)
   Fail: (226) [system] char_type('D', space)
   Call: (226) [system] char_type('D', cntrl)
   Fail: (226) [system] char_type('D', cntrl)
^  Fail: (225) [user] is_like_space('D')
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] get_char((0x563acd73bee0), _572010)
   Exit: (224) [system] get_char((0x563acd73bee0), 'D')
   Call: (224) [system] 'D'='('
   Fail: (224) [system] 'D'='('
   Call: (224) [system] 'D'='['
   Fail: (224) [system] 'D'='['
   Call: (224) [system] 'D'='{'
   Fail: (224) [system] 'D'='{'
   Call: (224) [system] 'D'='"'
   Fail: (224) [system] 'D'='"'
   Call: (224) [system] 'D'=!
   Fail: (224) [system] 'D'=!
   Call: (224) [system] 'D'='\''
   Fail: (224) [system] 'D'='\''
   Call: (224) [system] 'D'='`'
   Fail: (224) [system] 'D'='`'
   Call: (224) [system] 'D'=end_of_file
   Fail: (224) [system] 'D'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x563acd73bee0), 'D', _554142)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _589652)
   Call: (226) [system] peek_char((0x563acd73bee0), _590586)
   Exit: (226) [system] peek_char((0x563acd73bee0), ')')
^  Call: (226) [user] is_delimiter(')')
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] arg(_595306, v('(', ')', end_of_file), ')')
   Exit: (227) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (226) [user] is_delimiter(')')
   Call: (226) [system] _589652=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (225) [user] classify_and_convert_charseq(['D'], _554142)
^  Call: (226) [user] classify_and_convert_charseq_(['D'], _601742)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_602694, _602696), once(user:catch(read_from_chars(['D'], _601742), _602676, fail)), '$restore_trace'(_602694, _602696))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_602694, _602696))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _601742), _602676, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_601742)
   Fail: (227) [system] atomic(_601742)
   Call: (227) [system] atom_chars(_601742, ['D'])
   Exit: (227) [system] atom_chars('D', ['D'])
^  Exit: (226) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (226) [system] integer('D')
   Fail: (226) [system] integer('D')
   Call: (226) [system] _554142='D'
   Exit: (226) [system] 'D'='D'
^  Exit: (225) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (224) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'D')
^  Exit: (223) [user] cont_sexpr(')', (0x563acd73bee0), 'D')
^  Call: (223) [user] read_list(')', (0x563acd73bee0), _616692)
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _618550)
   Exit: (225) [system] peek_char((0x563acd73bee0), ')')
   Call: (225) [system] ')'=(;)
   Fail: (225) [system] ')'=(;)
   Call: (225) [system] ')'=(/)
   Fail: (225) [system] ')'=(/)
^  Call: (225) [user] is_like_space(')')
   Call: (226) [system] char_type(')', 'white')
   Fail: (226) [system] char_type(')', 'white')
   Call: (226) [system] char_type(')', end_of_line)
   Fail: (226) [system] char_type(')', end_of_line)
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] char_type(')', cntrl)
   Fail: (226) [system] char_type(')', cntrl)
^  Fail: (225) [user] is_like_space(')')
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _634560)
   Exit: (224) [system] peek_char((0x563acd73bee0), ')')
   Call: (224) [system] ')'=')'
   Exit: (224) [system] ')'=')'
   Call: (224) [system] get_char((0x563acd73bee0), _638350)
   Exit: (224) [system] get_char((0x563acd73bee0), ')')
   Call: (224) [system] _616692=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_list(')', (0x563acd73bee0), [])
   Call: (223) [system] _517482=['D']
   Exit: (223) [system] ['D']=['D']
^  Exit: (222) [user] read_list(')', (0x563acd73bee0), ['D'])
   Call: (222) [system] _420144=['C', 'D']
   Exit: (222) [system] ['C', 'D']=['C', 'D']
^  Exit: (221) [user] read_list(')', (0x563acd73bee0), ['C', 'D'])
   Call: (221) [system] _230798=['OrLink', 'C', 'D']
   Exit: (221) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (220) [user] read_list(')', (0x563acd73bee0), ['OrLink', 'C', 'D'])
^  Exit: (219) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', 'C', 'D'])
^  Call: (219) [user] read_list(')', (0x563acd73bee0), _652232)
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _654090)
   Exit: (221) [system] peek_char((0x563acd73bee0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x563acd73bee0), _663684)
   Exit: (221) [system] get_char((0x563acd73bee0), ' ')
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _666388)
   Exit: (222) [system] peek_char((0x563acd73bee0), 'E')
   Call: (222) [system] 'E'=(;)
   Fail: (222) [system] 'E'=(;)
   Call: (222) [system] 'E'=(/)
   Fail: (222) [system] 'E'=(/)
^  Call: (222) [user] is_like_space('E')
   Call: (223) [system] char_type('E', 'white')
   Fail: (223) [system] char_type('E', 'white')
   Call: (223) [system] char_type('E', end_of_line)
   Fail: (223) [system] char_type('E', end_of_line)
   Call: (223) [system] char_type('E', space)
   Fail: (223) [system] char_type('E', space)
   Call: (223) [system] char_type('E', cntrl)
   Fail: (223) [system] char_type('E', cntrl)
^  Fail: (222) [user] is_like_space('E')
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _683322)
   Exit: (220) [system] peek_char((0x563acd73bee0), 'E')
   Call: (220) [system] 'E'=')'
   Fail: (220) [system] 'E'=')'
   Call: (220) [system] 'E'=end_of_file
   Fail: (220) [system] 'E'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x563acd73bee0), _688892)
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _690750)
   Exit: (222) [system] peek_char((0x563acd73bee0), 'E')
   Call: (222) [system] 'E'=(;)
   Fail: (222) [system] 'E'=(;)
   Call: (222) [system] 'E'=(/)
   Fail: (222) [system] 'E'=(/)
^  Call: (222) [user] is_like_space('E')
   Call: (223) [system] char_type('E', 'white')
   Fail: (223) [system] char_type('E', 'white')
   Call: (223) [system] char_type('E', end_of_line)
   Fail: (223) [system] char_type('E', end_of_line)
   Call: (223) [system] char_type('E', space)
   Fail: (223) [system] char_type('E', space)
   Call: (223) [system] char_type('E', cntrl)
   Fail: (223) [system] char_type('E', cntrl)
^  Fail: (222) [user] is_like_space('E')
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] get_char((0x563acd73bee0), _706760)
   Exit: (221) [system] get_char((0x563acd73bee0), 'E')
   Call: (221) [system] 'E'='('
   Fail: (221) [system] 'E'='('
   Call: (221) [system] 'E'='['
   Fail: (221) [system] 'E'='['
   Call: (221) [system] 'E'='{'
   Fail: (221) [system] 'E'='{'
   Call: (221) [system] 'E'='"'
   Fail: (221) [system] 'E'='"'
   Call: (221) [system] 'E'=!
   Fail: (221) [system] 'E'=!
   Call: (221) [system] 'E'='\''
   Fail: (221) [system] 'E'='\''
   Call: (221) [system] 'E'='`'
   Fail: (221) [system] 'E'='`'
   Call: (221) [system] 'E'=end_of_file
   Fail: (221) [system] 'E'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x563acd73bee0), 'E', _688892)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _724402)
   Call: (223) [system] peek_char((0x563acd73bee0), _725336)
   Exit: (223) [system] peek_char((0x563acd73bee0), ')')
^  Call: (223) [user] is_delimiter(')')
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] arg(_730056, v('(', ')', end_of_file), ')')
   Exit: (224) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (223) [user] is_delimiter(')')
   Call: (223) [system] _724402=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (222) [user] classify_and_convert_charseq(['E'], _688892)
^  Call: (223) [user] classify_and_convert_charseq_(['E'], _736492)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_737444, _737446), once(user:catch(read_from_chars(['E'], _736492), _737426, fail)), '$restore_trace'(_737444, _737446))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_737444, _737446))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _736492), _737426, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_736492)
   Fail: (224) [system] atomic(_736492)
   Call: (224) [system] atom_chars(_736492, ['E'])
   Exit: (224) [system] atom_chars('E', ['E'])
^  Exit: (223) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (223) [system] integer('E')
   Fail: (223) [system] integer('E')
   Call: (223) [system] _688892='E'
   Exit: (223) [system] 'E'='E'
^  Exit: (222) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (221) [user] read_symbolic(')', (0x563acd73bee0), 'E', 'E')
^  Exit: (220) [user] cont_sexpr(')', (0x563acd73bee0), 'E')
^  Call: (220) [user] read_list(')', (0x563acd73bee0), _751442)
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _753300)
   Exit: (222) [system] peek_char((0x563acd73bee0), ')')
   Call: (222) [system] ')'=(;)
   Fail: (222) [system] ')'=(;)
   Call: (222) [system] ')'=(/)
   Fail: (222) [system] ')'=(/)
^  Call: (222) [user] is_like_space(')')
   Call: (223) [system] char_type(')', 'white')
   Fail: (223) [system] char_type(')', 'white')
   Call: (223) [system] char_type(')', end_of_line)
   Fail: (223) [system] char_type(')', end_of_line)
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] char_type(')', cntrl)
   Fail: (223) [system] char_type(')', cntrl)
^  Fail: (222) [user] is_like_space(')')
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _769310)
   Exit: (221) [system] peek_char((0x563acd73bee0), ')')
   Call: (221) [system] ')'=')'
   Exit: (221) [system] ')'=')'
   Call: (221) [system] get_char((0x563acd73bee0), _773100)
   Exit: (221) [system] get_char((0x563acd73bee0), ')')
   Call: (221) [system] _751442=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_list(')', (0x563acd73bee0), [])
   Call: (220) [system] _652232=['E']
   Exit: (220) [system] ['E']=['E']
^  Exit: (219) [user] read_list(')', (0x563acd73bee0), ['E'])
   Call: (219) [system] _194138=[['OrLink', 'C', 'D'], 'E']
   Exit: (219) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (218) [user] read_list(')', (0x563acd73bee0), [['OrLink', 'C', 'D'], 'E'])
   Call: (218) [system] _5552=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (218) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (217) [user] read_list(')', (0x563acd73bee0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (216) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (216) [user] read_list(')', (0x563acd73bee0), _786982)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _788840)
   Exit: (218) [system] peek_char((0x563acd73bee0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x563acd73bee0), _798434)
   Exit: (218) [system] get_char((0x563acd73bee0), ' ')
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _801138)
   Exit: (219) [system] peek_char((0x563acd73bee0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _818072)
   Exit: (217) [system] peek_char((0x563acd73bee0), '(')
   Call: (217) [system] '('=')'
   Fail: (217) [system] '('=')'
   Call: (217) [system] '('=end_of_file
   Fail: (217) [system] '('=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x563acd73bee0), _823642)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _825500)
   Exit: (219) [system] peek_char((0x563acd73bee0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] get_char((0x563acd73bee0), _841510)
   Exit: (218) [system] get_char((0x563acd73bee0), '(')
   Call: (218) [system] '('='('
   Exit: (218) [system] '('='('
^  Call: (218) [user] read_list(')', (0x563acd73bee0), _823642)
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _847080)
   Exit: (220) [system] peek_char((0x563acd73bee0), 'I')
   Call: (220) [system] 'I'=(;)
   Fail: (220) [system] 'I'=(;)
   Call: (220) [system] 'I'=(/)
   Fail: (220) [system] 'I'=(/)
^  Call: (220) [user] is_like_space('I')
   Call: (221) [system] char_type('I', 'white')
   Fail: (221) [system] char_type('I', 'white')
   Call: (221) [system] char_type('I', end_of_line)
   Fail: (221) [system] char_type('I', end_of_line)
   Call: (221) [system] char_type('I', space)
   Fail: (221) [system] char_type('I', space)
   Call: (221) [system] char_type('I', cntrl)
   Fail: (221) [system] char_type('I', cntrl)
^  Fail: (220) [user] is_like_space('I')
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _863090)
   Exit: (219) [system] peek_char((0x563acd73bee0), 'I')
   Call: (219) [system] 'I'=')'
   Fail: (219) [system] 'I'=')'
   Call: (219) [system] 'I'=end_of_file
   Fail: (219) [system] 'I'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x563acd73bee0), _868660)
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _870518)
   Exit: (221) [system] peek_char((0x563acd73bee0), 'I')
   Call: (221) [system] 'I'=(;)
   Fail: (221) [system] 'I'=(;)
   Call: (221) [system] 'I'=(/)
   Fail: (221) [system] 'I'=(/)
^  Call: (221) [user] is_like_space('I')
   Call: (222) [system] char_type('I', 'white')
   Fail: (222) [system] char_type('I', 'white')
   Call: (222) [system] char_type('I', end_of_line)
   Fail: (222) [system] char_type('I', end_of_line)
   Call: (222) [system] char_type('I', space)
   Fail: (222) [system] char_type('I', space)
   Call: (222) [system] char_type('I', cntrl)
   Fail: (222) [system] char_type('I', cntrl)
^  Fail: (221) [user] is_like_space('I')
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] get_char((0x563acd73bee0), _886528)
   Exit: (220) [system] get_char((0x563acd73bee0), 'I')
   Call: (220) [system] 'I'='('
   Fail: (220) [system] 'I'='('
   Call: (220) [system] 'I'='['
   Fail: (220) [system] 'I'='['
   Call: (220) [system] 'I'='{'
   Fail: (220) [system] 'I'='{'
   Call: (220) [system] 'I'='"'
   Fail: (220) [system] 'I'='"'
   Call: (220) [system] 'I'=!
   Fail: (220) [system] 'I'=!
   Call: (220) [system] 'I'='\''
   Fail: (220) [system] 'I'='\''
   Call: (220) [system] 'I'='`'
   Fail: (220) [system] 'I'='`'
   Call: (220) [system] 'I'=end_of_file
   Fail: (220) [system] 'I'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x563acd73bee0), 'I', _868660)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _904170)
   Call: (222) [system] peek_char((0x563acd73bee0), _905104)
   Exit: (222) [system] peek_char((0x563acd73bee0), m)
^  Call: (222) [user] is_delimiter(m)
   Call: (223) [system] char_type(m, space)
   Fail: (223) [system] char_type(m, space)
   Call: (223) [system] arg(_909824, v('(', ')', end_of_file), m)
   Fail: (223) [system] arg(_910756, v('(', ')', end_of_file), m)
^  Fail: (222) [user] is_delimiter(m)
   Call: (222) [system] ')'==m
   Fail: (222) [system] ')'==m
   Call: (222) [system] get_char((0x563acd73bee0), m)
   Exit: (222) [system] get_char((0x563acd73bee0), m)
   Call: (222) [system] m=(\)
   Fail: (222) [system] m=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _918106)
   Call: (223) [system] peek_char((0x563acd73bee0), _919040)
   Exit: (223) [system] peek_char((0x563acd73bee0), p)
^  Call: (223) [user] is_delimiter(p)
   Call: (224) [system] char_type(p, space)
   Fail: (224) [system] char_type(p, space)
   Call: (224) [system] arg(_923760, v('(', ')', end_of_file), p)
   Fail: (224) [system] arg(_924692, v('(', ')', end_of_file), p)
^  Fail: (223) [user] is_delimiter(p)
   Call: (223) [system] ')'==p
   Fail: (223) [system] ')'==p
   Call: (223) [system] get_char((0x563acd73bee0), p)
   Exit: (223) [system] get_char((0x563acd73bee0), p)
   Call: (223) [system] p=(\)
   Fail: (223) [system] p=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _932042)
   Call: (224) [system] peek_char((0x563acd73bee0), _932976)
   Exit: (224) [system] peek_char((0x563acd73bee0), l)
^  Call: (224) [user] is_delimiter(l)
   Call: (225) [system] char_type(l, space)
   Fail: (225) [system] char_type(l, space)
   Call: (225) [system] arg(_937696, v('(', ')', end_of_file), l)
   Fail: (225) [system] arg(_938628, v('(', ')', end_of_file), l)
^  Fail: (224) [user] is_delimiter(l)
   Call: (224) [system] ')'==l
   Fail: (224) [system] ')'==l
   Call: (224) [system] get_char((0x563acd73bee0), l)
   Exit: (224) [system] get_char((0x563acd73bee0), l)
   Call: (224) [system] l=(\)
   Fail: (224) [system] l=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _945978)
   Call: (225) [system] peek_char((0x563acd73bee0), _946912)
   Exit: (225) [system] peek_char((0x563acd73bee0), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_951632, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_952564, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x563acd73bee0), i)
   Exit: (225) [system] get_char((0x563acd73bee0), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _959914)
   Call: (226) [system] peek_char((0x563acd73bee0), _960848)
   Exit: (226) [system] peek_char((0x563acd73bee0), c)
^  Call: (226) [user] is_delimiter(c)
   Call: (227) [system] char_type(c, space)
   Fail: (227) [system] char_type(c, space)
   Call: (227) [system] arg(_965568, v('(', ')', end_of_file), c)
   Fail: (227) [system] arg(_966500, v('(', ')', end_of_file), c)
^  Fail: (226) [user] is_delimiter(c)
   Call: (226) [system] ')'==c
   Fail: (226) [system] ')'==c
   Call: (226) [system] get_char((0x563acd73bee0), c)
   Exit: (226) [system] get_char((0x563acd73bee0), c)
   Call: (226) [system] c=(\)
   Fail: (226) [system] c=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _973850)
   Call: (227) [system] peek_char((0x563acd73bee0), _974784)
   Exit: (227) [system] peek_char((0x563acd73bee0), a)
^  Call: (227) [user] is_delimiter(a)
   Call: (228) [system] char_type(a, space)
   Fail: (228) [system] char_type(a, space)
   Call: (228) [system] arg(_979504, v('(', ')', end_of_file), a)
   Fail: (228) [system] arg(_980436, v('(', ')', end_of_file), a)
^  Fail: (227) [user] is_delimiter(a)
   Call: (227) [system] ')'==a
   Fail: (227) [system] ')'==a
   Call: (227) [system] get_char((0x563acd73bee0), a)
   Exit: (227) [system] get_char((0x563acd73bee0), a)
   Call: (227) [system] a=(\)
   Fail: (227) [system] a=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _987786)
   Call: (228) [system] peek_char((0x563acd73bee0), _988720)
   Exit: (228) [system] peek_char((0x563acd73bee0), t)
^  Call: (228) [user] is_delimiter(t)
   Call: (229) [system] char_type(t, space)
   Fail: (229) [system] char_type(t, space)
   Call: (229) [system] arg(_993440, v('(', ')', end_of_file), t)
   Fail: (229) [system] arg(_994372, v('(', ')', end_of_file), t)
^  Fail: (228) [user] is_delimiter(t)
   Call: (228) [system] ')'==t
   Fail: (228) [system] ')'==t
   Call: (228) [system] get_char((0x563acd73bee0), t)
   Exit: (228) [system] get_char((0x563acd73bee0), t)
   Call: (228) [system] t=(\)
   Fail: (228) [system] t=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _1001722)
   Call: (229) [system] peek_char((0x563acd73bee0), _1002656)
   Exit: (229) [system] peek_char((0x563acd73bee0), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_1007376, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_1008308, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x563acd73bee0), i)
   Exit: (229) [system] get_char((0x563acd73bee0), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _1015658)
   Call: (230) [system] peek_char((0x563acd73bee0), _1016592)
   Exit: (230) [system] peek_char((0x563acd73bee0), o)
^  Call: (230) [user] is_delimiter(o)
   Call: (231) [system] char_type(o, space)
   Fail: (231) [system] char_type(o, space)
   Call: (231) [system] arg(_1021312, v('(', ')', end_of_file), o)
   Fail: (231) [system] arg(_1022244, v('(', ')', end_of_file), o)
^  Fail: (230) [user] is_delimiter(o)
   Call: (230) [system] ')'==o
   Fail: (230) [system] ')'==o
   Call: (230) [system] get_char((0x563acd73bee0), o)
   Exit: (230) [system] get_char((0x563acd73bee0), o)
   Call: (230) [system] o=(\)
   Fail: (230) [system] o=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _1029594)
   Call: (231) [system] peek_char((0x563acd73bee0), _1030528)
   Exit: (231) [system] peek_char((0x563acd73bee0), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_1035248, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_1036180, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x563acd73bee0), n)
   Exit: (231) [system] get_char((0x563acd73bee0), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _1043530)
   Call: (232) [system] peek_char((0x563acd73bee0), _1044464)
   Exit: (232) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _1043530=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (231) [system] _1029594=[n]
   Exit: (231) [system] [n]=[n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (230) [system] _1015658=[o, n]
   Exit: (230) [system] [o, n]=[o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (229) [system] _1001722=[i, o, n]
   Exit: (229) [system] [i, o, n]=[i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (228) [system] _987786=[t, i, o, n]
   Exit: (228) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (227) [system] _973850=[a, t, i, o, n]
   Exit: (227) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (226) [system] _959914=[c, a, t, i, o, n]
   Exit: (226) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (225) [system] _945978=[i, c, a, t, i, o, n]
   Exit: (225) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (224) [system] _932042=[l, i, c, a, t, i, o, n]
   Exit: (224) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (223) [system] _918106=[p, l, i, c, a, t, i, o, n]
   Exit: (223) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (222) [system] _904170=[m, p, l, i, c, a, t, i, o, n]
   Exit: (222) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (221) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _868660)
^  Call: (222) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1081688)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_1082640, _1082642), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1081688), _1082622, fail)), '$restore_trace'(_1082640, _1082642))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_1082640, _1082642))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1081688), _1082622, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_1081688)
   Fail: (223) [system] atomic(_1081688)
   Call: (223) [system] atom_chars(_1081688, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (223) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (222) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (222) [system] integer('Implication')
   Fail: (222) [system] integer('Implication')
   Call: (222) [system] _868660='Implication'
   Exit: (222) [system] 'Implication'='Implication'
^  Exit: (221) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (220) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (219) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (219) [user] read_list(')', (0x563acd73bee0), _1096638)
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _1098496)
   Exit: (221) [system] peek_char((0x563acd73bee0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x563acd73bee0), _1108090)
   Exit: (221) [system] get_char((0x563acd73bee0), ' ')
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _1110794)
   Exit: (222) [system] peek_char((0x563acd73bee0), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
   Call: (222) [system] '('=(/)
   Fail: (222) [system] '('=(/)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _1127728)
   Exit: (220) [system] peek_char((0x563acd73bee0), '(')
   Call: (220) [system] '('=')'
   Fail: (220) [system] '('=')'
   Call: (220) [system] '('=end_of_file
   Fail: (220) [system] '('=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x563acd73bee0), _1133298)
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _1135156)
   Exit: (222) [system] peek_char((0x563acd73bee0), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
   Call: (222) [system] '('=(/)
   Fail: (222) [system] '('=(/)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] get_char((0x563acd73bee0), _1151166)
   Exit: (221) [system] get_char((0x563acd73bee0), '(')
   Call: (221) [system] '('='('
   Exit: (221) [system] '('='('
^  Call: (221) [user] read_list(')', (0x563acd73bee0), _1133298)
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _1156736)
   Exit: (223) [system] peek_char((0x563acd73bee0), 'A')
   Call: (223) [system] 'A'=(;)
   Fail: (223) [system] 'A'=(;)
   Call: (223) [system] 'A'=(/)
   Fail: (223) [system] 'A'=(/)
^  Call: (223) [user] is_like_space('A')
   Call: (224) [system] char_type('A', 'white')
   Fail: (224) [system] char_type('A', 'white')
   Call: (224) [system] char_type('A', end_of_line)
   Fail: (224) [system] char_type('A', end_of_line)
   Call: (224) [system] char_type('A', space)
   Fail: (224) [system] char_type('A', space)
   Call: (224) [system] char_type('A', cntrl)
   Fail: (224) [system] char_type('A', cntrl)
^  Fail: (223) [user] is_like_space('A')
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _1172746)
   Exit: (222) [system] peek_char((0x563acd73bee0), 'A')
   Call: (222) [system] 'A'=')'
   Fail: (222) [system] 'A'=')'
   Call: (222) [system] 'A'=end_of_file
   Fail: (222) [system] 'A'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x563acd73bee0), _1178316)
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _1180174)
   Exit: (224) [system] peek_char((0x563acd73bee0), 'A')
   Call: (224) [system] 'A'=(;)
   Fail: (224) [system] 'A'=(;)
   Call: (224) [system] 'A'=(/)
   Fail: (224) [system] 'A'=(/)
^  Call: (224) [user] is_like_space('A')
   Call: (225) [system] char_type('A', 'white')
   Fail: (225) [system] char_type('A', 'white')
   Call: (225) [system] char_type('A', end_of_line)
   Fail: (225) [system] char_type('A', end_of_line)
   Call: (225) [system] char_type('A', space)
   Fail: (225) [system] char_type('A', space)
   Call: (225) [system] char_type('A', cntrl)
   Fail: (225) [system] char_type('A', cntrl)
^  Fail: (224) [user] is_like_space('A')
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] get_char((0x563acd73bee0), _1196184)
   Exit: (223) [system] get_char((0x563acd73bee0), 'A')
   Call: (223) [system] 'A'='('
   Fail: (223) [system] 'A'='('
   Call: (223) [system] 'A'='['
   Fail: (223) [system] 'A'='['
   Call: (223) [system] 'A'='{'
   Fail: (223) [system] 'A'='{'
   Call: (223) [system] 'A'='"'
   Fail: (223) [system] 'A'='"'
   Call: (223) [system] 'A'=!
   Fail: (223) [system] 'A'=!
   Call: (223) [system] 'A'='\''
   Fail: (223) [system] 'A'='\''
   Call: (223) [system] 'A'='`'
   Fail: (223) [system] 'A'='`'
   Call: (223) [system] 'A'=end_of_file
   Fail: (223) [system] 'A'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x563acd73bee0), 'A', _1178316)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _1213826)
   Call: (225) [system] peek_char((0x563acd73bee0), _1214760)
   Exit: (225) [system] peek_char((0x563acd73bee0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_1219480, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_1220412, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x563acd73bee0), n)
   Exit: (225) [system] get_char((0x563acd73bee0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _1227762)
   Call: (226) [system] peek_char((0x563acd73bee0), _1228696)
   Exit: (226) [system] peek_char((0x563acd73bee0), d)
^  Call: (226) [user] is_delimiter(d)
   Call: (227) [system] char_type(d, space)
   Fail: (227) [system] char_type(d, space)
   Call: (227) [system] arg(_1233416, v('(', ')', end_of_file), d)
   Fail: (227) [system] arg(_1234348, v('(', ')', end_of_file), d)
^  Fail: (226) [user] is_delimiter(d)
   Call: (226) [system] ')'==d
   Fail: (226) [system] ')'==d
   Call: (226) [system] get_char((0x563acd73bee0), d)
   Exit: (226) [system] get_char((0x563acd73bee0), d)
   Call: (226) [system] d=(\)
   Fail: (226) [system] d=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _1241698)
   Call: (227) [system] peek_char((0x563acd73bee0), _1242632)
   Exit: (227) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (227) [user] is_delimiter('L')
   Call: (228) [system] char_type('L', space)
   Fail: (228) [system] char_type('L', space)
   Call: (228) [system] arg(_1247352, v('(', ')', end_of_file), 'L')
   Fail: (228) [system] arg(_1248284, v('(', ')', end_of_file), 'L')
^  Fail: (227) [user] is_delimiter('L')
   Call: (227) [system] ')'=='L'
   Fail: (227) [system] ')'=='L'
   Call: (227) [system] get_char((0x563acd73bee0), 'L')
   Exit: (227) [system] get_char((0x563acd73bee0), 'L')
   Call: (227) [system] 'L'=(\)
   Fail: (227) [system] 'L'=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _1255634)
   Call: (228) [system] peek_char((0x563acd73bee0), _1256568)
   Exit: (228) [system] peek_char((0x563acd73bee0), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_1261288, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_1262220, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x563acd73bee0), i)
   Exit: (228) [system] get_char((0x563acd73bee0), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _1269570)
   Call: (229) [system] peek_char((0x563acd73bee0), _1270504)
   Exit: (229) [system] peek_char((0x563acd73bee0), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_1275224, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_1276156, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x563acd73bee0), n)
   Exit: (229) [system] get_char((0x563acd73bee0), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _1283506)
   Call: (230) [system] peek_char((0x563acd73bee0), _1284440)
   Exit: (230) [system] peek_char((0x563acd73bee0), k)
^  Call: (230) [user] is_delimiter(k)
   Call: (231) [system] char_type(k, space)
   Fail: (231) [system] char_type(k, space)
   Call: (231) [system] arg(_1289160, v('(', ')', end_of_file), k)
   Fail: (231) [system] arg(_1290092, v('(', ')', end_of_file), k)
^  Fail: (230) [user] is_delimiter(k)
   Call: (230) [system] ')'==k
   Fail: (230) [system] ')'==k
   Call: (230) [system] get_char((0x563acd73bee0), k)
   Exit: (230) [system] get_char((0x563acd73bee0), k)
   Call: (230) [system] k=(\)
   Fail: (230) [system] k=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _1297442)
   Call: (231) [system] peek_char((0x563acd73bee0), _1298376)
   Exit: (231) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _1297442=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (230) [system] _1283506=[k]
   Exit: (230) [system] [k]=[k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (229) [system] _1269570=[n, k]
   Exit: (229) [system] [n, k]=[n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (228) [system] _1255634=[i, n, k]
   Exit: (228) [system] [i, n, k]=[i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (227) [system] _1241698=['L', i, n, k]
   Exit: (227) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (226) [system] _1227762=[d, 'L', i, n, k]
   Exit: (226) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, 'L', i, n, k])
   Call: (225) [system] _1213826=[n, d, 'L', i, n, k]
   Exit: (225) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, d, 'L', i, n, k])
^  Call: (224) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1178316)
^  Call: (225) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _1324424)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1325376, _1325378), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1324424), _1325358, fail)), '$restore_trace'(_1325376, _1325378))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1325376, _1325378))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1324424), _1325358, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_1324424)
   Fail: (226) [system] atomic(_1324424)
   Call: (226) [system] atom_chars(_1324424, ['A', n, d, 'L', i, n, k])
   Exit: (226) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (225) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (225) [system] integer('AndLink')
   Fail: (225) [system] integer('AndLink')
   Call: (225) [system] _1178316='AndLink'
   Exit: (225) [system] 'AndLink'='AndLink'
^  Exit: (224) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (223) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'AndLink')
^  Exit: (222) [user] cont_sexpr(')', (0x563acd73bee0), 'AndLink')
^  Call: (222) [user] read_list(')', (0x563acd73bee0), _1339374)
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _1341232)
   Exit: (224) [system] peek_char((0x563acd73bee0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x563acd73bee0), _1350826)
   Exit: (224) [system] get_char((0x563acd73bee0), ' ')
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _1353530)
   Exit: (225) [system] peek_char((0x563acd73bee0), 'A')
   Call: (225) [system] 'A'=(;)
   Fail: (225) [system] 'A'=(;)
   Call: (225) [system] 'A'=(/)
   Fail: (225) [system] 'A'=(/)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Fail: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Fail: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Fail: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
   Fail: (226) [system] char_type('A', cntrl)
^  Fail: (225) [user] is_like_space('A')
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _1370464)
   Exit: (223) [system] peek_char((0x563acd73bee0), 'A')
   Call: (223) [system] 'A'=')'
   Fail: (223) [system] 'A'=')'
   Call: (223) [system] 'A'=end_of_file
   Fail: (223) [system] 'A'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x563acd73bee0), _1376034)
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _1377892)
   Exit: (225) [system] peek_char((0x563acd73bee0), 'A')
   Call: (225) [system] 'A'=(;)
   Fail: (225) [system] 'A'=(;)
   Call: (225) [system] 'A'=(/)
   Fail: (225) [system] 'A'=(/)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Fail: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Fail: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Fail: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
   Fail: (226) [system] char_type('A', cntrl)
^  Fail: (225) [user] is_like_space('A')
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] get_char((0x563acd73bee0), _1393902)
   Exit: (224) [system] get_char((0x563acd73bee0), 'A')
   Call: (224) [system] 'A'='('
   Fail: (224) [system] 'A'='('
   Call: (224) [system] 'A'='['
   Fail: (224) [system] 'A'='['
   Call: (224) [system] 'A'='{'
   Fail: (224) [system] 'A'='{'
   Call: (224) [system] 'A'='"'
   Fail: (224) [system] 'A'='"'
   Call: (224) [system] 'A'=!
   Fail: (224) [system] 'A'=!
   Call: (224) [system] 'A'='\''
   Fail: (224) [system] 'A'='\''
   Call: (224) [system] 'A'='`'
   Fail: (224) [system] 'A'='`'
   Call: (224) [system] 'A'=end_of_file
   Fail: (224) [system] 'A'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x563acd73bee0), 'A', _1376034)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _1411544)
   Call: (226) [system] peek_char((0x563acd73bee0), _1412478)
   Exit: (226) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _1411544=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (225) [user] classify_and_convert_charseq(['A'], _1376034)
^  Call: (226) [user] classify_and_convert_charseq_(['A'], _1421762)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_1422714, _1422716), once(user:catch(read_from_chars(['A'], _1421762), _1422696, fail)), '$restore_trace'(_1422714, _1422716))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_1422714, _1422716))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1421762), _1422696, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_1421762)
   Fail: (227) [system] atomic(_1421762)
   Call: (227) [system] atom_chars(_1421762, ['A'])
   Exit: (227) [system] atom_chars('A', ['A'])
^  Exit: (226) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (226) [system] integer('A')
   Fail: (226) [system] integer('A')
   Call: (226) [system] _1376034='A'
   Exit: (226) [system] 'A'='A'
^  Exit: (225) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (224) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (223) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (223) [user] read_list(')', (0x563acd73bee0), _1436712)
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _1438570)
   Exit: (225) [system] peek_char((0x563acd73bee0), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x563acd73bee0), _1448164)
   Exit: (225) [system] get_char((0x563acd73bee0), ' ')
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _1450868)
   Exit: (226) [system] peek_char((0x563acd73bee0), 'B')
   Call: (226) [system] 'B'=(;)
   Fail: (226) [system] 'B'=(;)
   Call: (226) [system] 'B'=(/)
   Fail: (226) [system] 'B'=(/)
^  Call: (226) [user] is_like_space('B')
   Call: (227) [system] char_type('B', 'white')
   Fail: (227) [system] char_type('B', 'white')
   Call: (227) [system] char_type('B', end_of_line)
   Fail: (227) [system] char_type('B', end_of_line)
   Call: (227) [system] char_type('B', space)
   Fail: (227) [system] char_type('B', space)
   Call: (227) [system] char_type('B', cntrl)
   Fail: (227) [system] char_type('B', cntrl)
^  Fail: (226) [user] is_like_space('B')
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _1467802)
   Exit: (224) [system] peek_char((0x563acd73bee0), 'B')
   Call: (224) [system] 'B'=')'
   Fail: (224) [system] 'B'=')'
   Call: (224) [system] 'B'=end_of_file
   Fail: (224) [system] 'B'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x563acd73bee0), _1473372)
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _1475230)
   Exit: (226) [system] peek_char((0x563acd73bee0), 'B')
   Call: (226) [system] 'B'=(;)
   Fail: (226) [system] 'B'=(;)
   Call: (226) [system] 'B'=(/)
   Fail: (226) [system] 'B'=(/)
^  Call: (226) [user] is_like_space('B')
   Call: (227) [system] char_type('B', 'white')
   Fail: (227) [system] char_type('B', 'white')
   Call: (227) [system] char_type('B', end_of_line)
   Fail: (227) [system] char_type('B', end_of_line)
   Call: (227) [system] char_type('B', space)
   Fail: (227) [system] char_type('B', space)
   Call: (227) [system] char_type('B', cntrl)
   Fail: (227) [system] char_type('B', cntrl)
^  Fail: (226) [user] is_like_space('B')
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] get_char((0x563acd73bee0), _1491240)
   Exit: (225) [system] get_char((0x563acd73bee0), 'B')
   Call: (225) [system] 'B'='('
   Fail: (225) [system] 'B'='('
   Call: (225) [system] 'B'='['
   Fail: (225) [system] 'B'='['
   Call: (225) [system] 'B'='{'
   Fail: (225) [system] 'B'='{'
   Call: (225) [system] 'B'='"'
   Fail: (225) [system] 'B'='"'
   Call: (225) [system] 'B'=!
   Fail: (225) [system] 'B'=!
   Call: (225) [system] 'B'='\''
   Fail: (225) [system] 'B'='\''
   Call: (225) [system] 'B'='`'
   Fail: (225) [system] 'B'='`'
   Call: (225) [system] 'B'=end_of_file
   Fail: (225) [system] 'B'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x563acd73bee0), 'B', _1473372)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _1508882)
   Call: (227) [system] peek_char((0x563acd73bee0), _1509816)
   Exit: (227) [system] peek_char((0x563acd73bee0), ')')
^  Call: (227) [user] is_delimiter(')')
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] arg(_1514536, v('(', ')', end_of_file), ')')
   Exit: (228) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (227) [user] is_delimiter(')')
   Call: (227) [system] _1508882=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (226) [user] classify_and_convert_charseq(['B'], _1473372)
^  Call: (227) [user] classify_and_convert_charseq_(['B'], _1520972)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1521924, _1521926), once(user:catch(read_from_chars(['B'], _1520972), _1521906, fail)), '$restore_trace'(_1521924, _1521926))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1521924, _1521926))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1520972), _1521906, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_1520972)
   Fail: (228) [system] atomic(_1520972)
   Call: (228) [system] atom_chars(_1520972, ['B'])
   Exit: (228) [system] atom_chars('B', ['B'])
^  Exit: (227) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (227) [system] integer('B')
   Fail: (227) [system] integer('B')
   Call: (227) [system] _1473372='B'
   Exit: (227) [system] 'B'='B'
^  Exit: (226) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (225) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (224) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (224) [user] read_list(')', (0x563acd73bee0), _1535922)
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _1537780)
   Exit: (226) [system] peek_char((0x563acd73bee0), ')')
   Call: (226) [system] ')'=(;)
   Fail: (226) [system] ')'=(;)
   Call: (226) [system] ')'=(/)
   Fail: (226) [system] ')'=(/)
^  Call: (226) [user] is_like_space(')')
   Call: (227) [system] char_type(')', 'white')
   Fail: (227) [system] char_type(')', 'white')
   Call: (227) [system] char_type(')', end_of_line)
   Fail: (227) [system] char_type(')', end_of_line)
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] char_type(')', cntrl)
   Fail: (227) [system] char_type(')', cntrl)
^  Fail: (226) [user] is_like_space(')')
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _1553790)
   Exit: (225) [system] peek_char((0x563acd73bee0), ')')
   Call: (225) [system] ')'=')'
   Exit: (225) [system] ')'=')'
   Call: (225) [system] get_char((0x563acd73bee0), _1557580)
   Exit: (225) [system] get_char((0x563acd73bee0), ')')
   Call: (225) [system] _1535922=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_list(')', (0x563acd73bee0), [])
   Call: (224) [system] _1436712=['B']
   Exit: (224) [system] ['B']=['B']
^  Exit: (223) [user] read_list(')', (0x563acd73bee0), ['B'])
   Call: (223) [system] _1339374=['A', 'B']
   Exit: (223) [system] ['A', 'B']=['A', 'B']
^  Exit: (222) [user] read_list(')', (0x563acd73bee0), ['A', 'B'])
   Call: (222) [system] _1133298=['AndLink', 'A', 'B']
   Exit: (222) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (221) [user] read_list(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Exit: (220) [user] cont_sexpr(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Call: (220) [user] read_list(')', (0x563acd73bee0), _1571462)
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _1573320)
   Exit: (222) [system] peek_char((0x563acd73bee0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x563acd73bee0), _1582914)
   Exit: (222) [system] get_char((0x563acd73bee0), ' ')
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _1585618)
   Exit: (223) [system] peek_char((0x563acd73bee0), 'C')
   Call: (223) [system] 'C'=(;)
   Fail: (223) [system] 'C'=(;)
   Call: (223) [system] 'C'=(/)
   Fail: (223) [system] 'C'=(/)
^  Call: (223) [user] is_like_space('C')
   Call: (224) [system] char_type('C', 'white')
   Fail: (224) [system] char_type('C', 'white')
   Call: (224) [system] char_type('C', end_of_line)
   Fail: (224) [system] char_type('C', end_of_line)
   Call: (224) [system] char_type('C', space)
   Fail: (224) [system] char_type('C', space)
   Call: (224) [system] char_type('C', cntrl)
   Fail: (224) [system] char_type('C', cntrl)
^  Fail: (223) [user] is_like_space('C')
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _1602552)
   Exit: (221) [system] peek_char((0x563acd73bee0), 'C')
   Call: (221) [system] 'C'=')'
   Fail: (221) [system] 'C'=')'
   Call: (221) [system] 'C'=end_of_file
   Fail: (221) [system] 'C'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x563acd73bee0), _1608122)
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _1609980)
   Exit: (223) [system] peek_char((0x563acd73bee0), 'C')
   Call: (223) [system] 'C'=(;)
   Fail: (223) [system] 'C'=(;)
   Call: (223) [system] 'C'=(/)
   Fail: (223) [system] 'C'=(/)
^  Call: (223) [user] is_like_space('C')
   Call: (224) [system] char_type('C', 'white')
   Fail: (224) [system] char_type('C', 'white')
   Call: (224) [system] char_type('C', end_of_line)
   Fail: (224) [system] char_type('C', end_of_line)
   Call: (224) [system] char_type('C', space)
   Fail: (224) [system] char_type('C', space)
   Call: (224) [system] char_type('C', cntrl)
   Fail: (224) [system] char_type('C', cntrl)
^  Fail: (223) [user] is_like_space('C')
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] get_char((0x563acd73bee0), _1625990)
   Exit: (222) [system] get_char((0x563acd73bee0), 'C')
   Call: (222) [system] 'C'='('
   Fail: (222) [system] 'C'='('
   Call: (222) [system] 'C'='['
   Fail: (222) [system] 'C'='['
   Call: (222) [system] 'C'='{'
   Fail: (222) [system] 'C'='{'
   Call: (222) [system] 'C'='"'
   Fail: (222) [system] 'C'='"'
   Call: (222) [system] 'C'=!
   Fail: (222) [system] 'C'=!
   Call: (222) [system] 'C'='\''
   Fail: (222) [system] 'C'='\''
   Call: (222) [system] 'C'='`'
   Fail: (222) [system] 'C'='`'
   Call: (222) [system] 'C'=end_of_file
   Fail: (222) [system] 'C'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x563acd73bee0), 'C', _1608122)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _1643632)
   Call: (224) [system] peek_char((0x563acd73bee0), _1644566)
   Exit: (224) [system] peek_char((0x563acd73bee0), ')')
^  Call: (224) [user] is_delimiter(')')
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] arg(_1649286, v('(', ')', end_of_file), ')')
   Exit: (225) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (224) [user] is_delimiter(')')
   Call: (224) [system] _1643632=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (223) [user] classify_and_convert_charseq(['C'], _1608122)
^  Call: (224) [user] classify_and_convert_charseq_(['C'], _1655722)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_1656674, _1656676), once(user:catch(read_from_chars(['C'], _1655722), _1656656, fail)), '$restore_trace'(_1656674, _1656676))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_1656674, _1656676))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1655722), _1656656, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_1655722)
   Fail: (225) [system] atomic(_1655722)
   Call: (225) [system] atom_chars(_1655722, ['C'])
   Exit: (225) [system] atom_chars('C', ['C'])
^  Exit: (224) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (224) [system] integer('C')
   Fail: (224) [system] integer('C')
   Call: (224) [system] _1608122='C'
   Exit: (224) [system] 'C'='C'
^  Exit: (223) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (222) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (221) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (221) [user] read_list(')', (0x563acd73bee0), _1670672)
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _1672530)
   Exit: (223) [system] peek_char((0x563acd73bee0), ')')
   Call: (223) [system] ')'=(;)
   Fail: (223) [system] ')'=(;)
   Call: (223) [system] ')'=(/)
   Fail: (223) [system] ')'=(/)
^  Call: (223) [user] is_like_space(')')
   Call: (224) [system] char_type(')', 'white')
   Fail: (224) [system] char_type(')', 'white')
   Call: (224) [system] char_type(')', end_of_line)
   Fail: (224) [system] char_type(')', end_of_line)
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] char_type(')', cntrl)
   Fail: (224) [system] char_type(')', cntrl)
^  Fail: (223) [user] is_like_space(')')
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _1688540)
   Exit: (222) [system] peek_char((0x563acd73bee0), ')')
   Call: (222) [system] ')'=')'
   Exit: (222) [system] ')'=')'
   Call: (222) [system] get_char((0x563acd73bee0), _1692330)
   Exit: (222) [system] get_char((0x563acd73bee0), ')')
   Call: (222) [system] _1670672=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_list(')', (0x563acd73bee0), [])
   Call: (221) [system] _1571462=['C']
   Exit: (221) [system] ['C']=['C']
^  Exit: (220) [user] read_list(')', (0x563acd73bee0), ['C'])
   Call: (220) [system] _1096638=[['AndLink', 'A', 'B'], 'C']
   Exit: (220) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (219) [user] read_list(')', (0x563acd73bee0), [['AndLink', 'A', 'B'], 'C'])
   Call: (219) [system] _823642=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (219) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (218) [user] read_list(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (217) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (217) [user] read_list(')', (0x563acd73bee0), _1706212)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _1708070)
   Exit: (219) [system] peek_char((0x563acd73bee0), ')')
   Call: (219) [system] ')'=(;)
   Fail: (219) [system] ')'=(;)
   Call: (219) [system] ')'=(/)
   Fail: (219) [system] ')'=(/)
^  Call: (219) [user] is_like_space(')')
   Call: (220) [system] char_type(')', 'white')
   Fail: (220) [system] char_type(')', 'white')
   Call: (220) [system] char_type(')', end_of_line)
   Fail: (220) [system] char_type(')', end_of_line)
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] char_type(')', cntrl)
   Fail: (220) [system] char_type(')', cntrl)
^  Fail: (219) [user] is_like_space(')')
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _1724080)
   Exit: (218) [system] peek_char((0x563acd73bee0), ')')
   Call: (218) [system] ')'=')'
   Exit: (218) [system] ')'=')'
   Call: (218) [system] get_char((0x563acd73bee0), _1727870)
   Exit: (218) [system] get_char((0x563acd73bee0), ')')
   Call: (218) [system] _1706212=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_list(')', (0x563acd73bee0), [])
   Call: (217) [system] _786982=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (217) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (216) [user] read_list(')', (0x563acd73bee0), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (216) [system] _5548=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (216) [system] [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (215) [user] read_list(')', (0x563acd73bee0), [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (215) [system] _5540=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (215) [system] ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (214) [user] read_list(')', (0x563acd73bee0), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (213) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (213) [user] read_list(')', (0x563acd73bee0), _1741752)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1743610)
   Exit: (215) [system] peek_char((0x563acd73bee0), ')')
   Call: (215) [system] ')'=(;)
   Fail: (215) [system] ')'=(;)
   Call: (215) [system] ')'=(/)
   Fail: (215) [system] ')'=(/)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Fail: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Fail: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
   Fail: (216) [system] char_type(')', cntrl)
^  Fail: (215) [user] is_like_space(')')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1759620)
   Exit: (214) [system] peek_char((0x563acd73bee0), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x563acd73bee0), _1763410)
   Exit: (214) [system] get_char((0x563acd73bee0), ')')
   Call: (214) [system] _1741752=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x563acd73bee0), [])
   Call: (213) [system] _5536=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (213) [system] [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (212) [user] read_list(')', (0x563acd73bee0), [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (212) [system] _5494=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (212) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (211) [user] read_list(')', (0x563acd73bee0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (211) [system] _5486=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (211) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (210) [user] read_list(')', (0x563acd73bee0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (209) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (209) [user] read_list(')', (0x563acd73bee0), _1777292)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1779150)
   Exit: (211) [system] peek_char((0x563acd73bee0), ')')
   Call: (211) [system] ')'=(;)
   Fail: (211) [system] ')'=(;)
   Call: (211) [system] ')'=(/)
   Fail: (211) [system] ')'=(/)
^  Call: (211) [user] is_like_space(')')
   Call: (212) [system] char_type(')', 'white')
   Fail: (212) [system] char_type(')', 'white')
   Call: (212) [system] char_type(')', end_of_line)
   Fail: (212) [system] char_type(')', end_of_line)
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] char_type(')', cntrl)
   Fail: (212) [system] char_type(')', cntrl)
^  Fail: (211) [user] is_like_space(')')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1795160)
   Exit: (210) [system] peek_char((0x563acd73bee0), ')')
   Call: (210) [system] ')'=')'
   Exit: (210) [system] ')'=')'
   Call: (210) [system] get_char((0x563acd73bee0), _1798950)
   Exit: (210) [system] get_char((0x563acd73bee0), ')')
   Call: (210) [system] _1777292=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_list(')', (0x563acd73bee0), [])
   Call: (209) [system] _5482=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (209) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (208) [user] read_list(')', (0x563acd73bee0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
   Call: (208) [system] _5440=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (208) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (207) [user] read_list(')', (0x563acd73bee0), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
   Call: (207) [system] _5432=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (207) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (206) [user] read_list(')', (0x563acd73bee0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
^  Exit: (205) [user] cont_sexpr(')', (0x563acd73bee0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
^  Call: (205) [user] read_list(')', (0x563acd73bee0), _1812832)
^  Call: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1814690)
   Exit: (207) [system] peek_char((0x563acd73bee0), '\n')
   Call: (207) [system] '\n'=(;)
   Fail: (207) [system] '\n'=(;)
   Call: (207) [system] '\n'=(/)
   Fail: (207) [system] '\n'=(/)
^  Call: (207) [user] is_like_space('\n')
   Call: (208) [system] char_type('\n', 'white')
   Fail: (208) [system] char_type('\n', 'white')
   Call: (208) [system] char_type('\n', end_of_line)
   Exit: (208) [system] char_type('\n', end_of_line)
^  Exit: (207) [user] is_like_space('\n')
   Call: (207) [system] get_char((0x563acd73bee0), _1826140)
   Exit: (207) [system] get_char((0x563acd73bee0), '\n')
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1828844)
   Exit: (208) [system] peek_char((0x563acd73bee0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
   Call: (208) [system] ' '=(/)
   Fail: (208) [system] ' '=(/)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x563acd73bee0), _1838438)
   Exit: (208) [system] get_char((0x563acd73bee0), ' ')
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1841142)
   Exit: (209) [system] peek_char((0x563acd73bee0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
^  Exit: (206) [user] skip_spaces((0x563acd73bee0))
   Call: (206) [system] peek_char((0x563acd73bee0), _1859000)
   Exit: (206) [system] peek_char((0x563acd73bee0), '(')
   Call: (206) [system] '('=')'
   Fail: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
   Fail: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x563acd73bee0), _1864570)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1866428)
   Exit: (208) [system] peek_char((0x563acd73bee0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
   Call: (208) [system] '('=(/)
   Fail: (208) [system] '('=(/)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] get_char((0x563acd73bee0), _1882438)
   Exit: (207) [system] get_char((0x563acd73bee0), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x563acd73bee0), _1864570)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1888008)
   Exit: (209) [system] peek_char((0x563acd73bee0), :)
   Call: (209) [system] (:)=(;)
   Fail: (209) [system] (:)=(;)
   Call: (209) [system] (:)=(/)
   Fail: (209) [system] (:)=(/)
^  Call: (209) [user] is_like_space(:)
   Call: (210) [system] char_type(:, 'white')
   Fail: (210) [system] char_type(:, 'white')
   Call: (210) [system] char_type(:, end_of_line)
   Fail: (210) [system] char_type(:, end_of_line)
   Call: (210) [system] char_type(:, space)
   Fail: (210) [system] char_type(:, space)
   Call: (210) [system] char_type(:, cntrl)
   Fail: (210) [system] char_type(:, cntrl)
^  Fail: (209) [user] is_like_space(:)
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1904018)
   Exit: (208) [system] peek_char((0x563acd73bee0), :)
   Call: (208) [system] (:)=')'
   Fail: (208) [system] (:)=')'
   Call: (208) [system] (:)=end_of_file
   Fail: (208) [system] (:)=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x563acd73bee0), _1909588)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1911446)
   Exit: (210) [system] peek_char((0x563acd73bee0), :)
   Call: (210) [system] (:)=(;)
   Fail: (210) [system] (:)=(;)
   Call: (210) [system] (:)=(/)
   Fail: (210) [system] (:)=(/)
^  Call: (210) [user] is_like_space(:)
   Call: (211) [system] char_type(:, 'white')
   Fail: (211) [system] char_type(:, 'white')
   Call: (211) [system] char_type(:, end_of_line)
   Fail: (211) [system] char_type(:, end_of_line)
   Call: (211) [system] char_type(:, space)
   Fail: (211) [system] char_type(:, space)
   Call: (211) [system] char_type(:, cntrl)
   Fail: (211) [system] char_type(:, cntrl)
^  Fail: (210) [user] is_like_space(:)
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] get_char((0x563acd73bee0), _1927456)
   Exit: (209) [system] get_char((0x563acd73bee0), :)
   Call: (209) [system] (:)='('
   Fail: (209) [system] (:)='('
   Call: (209) [system] (:)='['
   Fail: (209) [system] (:)='['
   Call: (209) [system] (:)='{'
   Fail: (209) [system] (:)='{'
   Call: (209) [system] (:)='"'
   Fail: (209) [system] (:)='"'
   Call: (209) [system] (:)=!
   Fail: (209) [system] (:)=!
   Call: (209) [system] (:)='\''
   Fail: (209) [system] (:)='\''
   Call: (209) [system] (:)='`'
   Fail: (209) [system] (:)='`'
   Call: (209) [system] (:)=end_of_file
   Fail: (209) [system] (:)=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x563acd73bee0), :, _1909588)
^  Call: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), _1945098)
   Call: (211) [system] peek_char((0x563acd73bee0), _1946032)
   Exit: (211) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _1945098=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (210) [user] classify_and_convert_charseq([:], _1909588)
^  Call: (211) [user] classify_and_convert_charseq_([:], _1955316)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_1956268, _1956270), once(user:catch(read_from_chars([:], _1955316), _1956250, fail)), '$restore_trace'(_1956268, _1956270))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_1956268, _1956270))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1956250, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(:)
   Exit: (212) [system] atomic(:)
^  Exit: (211) [user] classify_and_convert_charseq_([:], :)
   Call: (211) [system] integer(:)
   Fail: (211) [system] integer(:)
   Call: (211) [system] _1909588=(:)
   Exit: (211) [system] (:)=(:)
^  Exit: (210) [user] classify_and_convert_charseq([:], :)
^  Exit: (209) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (208) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (208) [user] read_list(')', (0x563acd73bee0), _1968396)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1970254)
   Exit: (210) [system] peek_char((0x563acd73bee0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x563acd73bee0), _1979848)
   Exit: (210) [system] get_char((0x563acd73bee0), ' ')
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1982552)
   Exit: (211) [system] peek_char((0x563acd73bee0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1999486)
   Exit: (209) [system] peek_char((0x563acd73bee0), '(')
   Call: (209) [system] '('=')'
   Fail: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
   Fail: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x563acd73bee0), _2005056)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _2006914)
   Exit: (211) [system] peek_char((0x563acd73bee0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] get_char((0x563acd73bee0), _2022924)
   Exit: (210) [system] get_char((0x563acd73bee0), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x563acd73bee0), _2005056)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _2028494)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'D')
   Call: (212) [system] 'D'=(;)
   Fail: (212) [system] 'D'=(;)
   Call: (212) [system] 'D'=(/)
   Fail: (212) [system] 'D'=(/)
^  Call: (212) [user] is_like_space('D')
   Call: (213) [system] char_type('D', 'white')
   Fail: (213) [system] char_type('D', 'white')
   Call: (213) [system] char_type('D', end_of_line)
   Fail: (213) [system] char_type('D', end_of_line)
   Call: (213) [system] char_type('D', space)
   Fail: (213) [system] char_type('D', space)
   Call: (213) [system] char_type('D', cntrl)
   Fail: (213) [system] char_type('D', cntrl)
^  Fail: (212) [user] is_like_space('D')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _2044504)
   Exit: (211) [system] peek_char((0x563acd73bee0), 'D')
   Call: (211) [system] 'D'=')'
   Fail: (211) [system] 'D'=')'
   Call: (211) [system] 'D'=end_of_file
   Fail: (211) [system] 'D'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x563acd73bee0), _2050074)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _2051932)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'D')
   Call: (213) [system] 'D'=(;)
   Fail: (213) [system] 'D'=(;)
   Call: (213) [system] 'D'=(/)
   Fail: (213) [system] 'D'=(/)
^  Call: (213) [user] is_like_space('D')
   Call: (214) [system] char_type('D', 'white')
   Fail: (214) [system] char_type('D', 'white')
   Call: (214) [system] char_type('D', end_of_line)
   Fail: (214) [system] char_type('D', end_of_line)
   Call: (214) [system] char_type('D', space)
   Fail: (214) [system] char_type('D', space)
   Call: (214) [system] char_type('D', cntrl)
   Fail: (214) [system] char_type('D', cntrl)
^  Fail: (213) [user] is_like_space('D')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] get_char((0x563acd73bee0), _2067942)
   Exit: (212) [system] get_char((0x563acd73bee0), 'D')
   Call: (212) [system] 'D'='('
   Fail: (212) [system] 'D'='('
   Call: (212) [system] 'D'='['
   Fail: (212) [system] 'D'='['
   Call: (212) [system] 'D'='{'
   Fail: (212) [system] 'D'='{'
   Call: (212) [system] 'D'='"'
   Fail: (212) [system] 'D'='"'
   Call: (212) [system] 'D'=!
   Fail: (212) [system] 'D'=!
   Call: (212) [system] 'D'='\''
   Fail: (212) [system] 'D'='\''
   Call: (212) [system] 'D'='`'
   Fail: (212) [system] 'D'='`'
   Call: (212) [system] 'D'=end_of_file
   Fail: (212) [system] 'D'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x563acd73bee0), 'D', _2050074)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _2085584)
   Call: (214) [system] peek_char((0x563acd73bee0), _2086518)
   Exit: (214) [system] peek_char((0x563acd73bee0), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Fail: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_2091238, v('(', ')', end_of_file), i)
   Fail: (215) [system] arg(_2092170, v('(', ')', end_of_file), i)
^  Fail: (214) [user] is_delimiter(i)
   Call: (214) [system] ')'==i
   Fail: (214) [system] ')'==i
   Call: (214) [system] get_char((0x563acd73bee0), i)
   Exit: (214) [system] get_char((0x563acd73bee0), i)
   Call: (214) [system] i=(\)
   Fail: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _8316)
   Call: (215) [system] peek_char((0x563acd73bee0), _9250)
   Exit: (215) [system] peek_char((0x563acd73bee0), s)
^  Call: (215) [user] is_delimiter(s)
   Call: (216) [system] char_type(s, space)
   Fail: (216) [system] char_type(s, space)
   Call: (216) [system] arg(_13970, v('(', ')', end_of_file), s)
   Fail: (216) [system] arg(_14902, v('(', ')', end_of_file), s)
^  Fail: (215) [user] is_delimiter(s)
   Call: (215) [system] ')'==s
   Fail: (215) [system] ')'==s
   Call: (215) [system] get_char((0x563acd73bee0), s)
   Exit: (215) [system] get_char((0x563acd73bee0), s)
   Call: (215) [system] s=(\)
   Fail: (215) [system] s=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _22252)
   Call: (216) [system] peek_char((0x563acd73bee0), _23186)
   Exit: (216) [system] peek_char((0x563acd73bee0), j)
^  Call: (216) [user] is_delimiter(j)
   Call: (217) [system] char_type(j, space)
   Fail: (217) [system] char_type(j, space)
   Call: (217) [system] arg(_27906, v('(', ')', end_of_file), j)
   Fail: (217) [system] arg(_28838, v('(', ')', end_of_file), j)
^  Fail: (216) [user] is_delimiter(j)
   Call: (216) [system] ')'==j
   Fail: (216) [system] ')'==j
   Call: (216) [system] get_char((0x563acd73bee0), j)
   Exit: (216) [system] get_char((0x563acd73bee0), j)
   Call: (216) [system] j=(\)
   Fail: (216) [system] j=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _36188)
   Call: (217) [system] peek_char((0x563acd73bee0), _37122)
   Exit: (217) [system] peek_char((0x563acd73bee0), u)
^  Call: (217) [user] is_delimiter(u)
   Call: (218) [system] char_type(u, space)
   Fail: (218) [system] char_type(u, space)
   Call: (218) [system] arg(_41842, v('(', ')', end_of_file), u)
   Fail: (218) [system] arg(_42774, v('(', ')', end_of_file), u)
^  Fail: (217) [user] is_delimiter(u)
   Call: (217) [system] ')'==u
   Fail: (217) [system] ')'==u
   Call: (217) [system] get_char((0x563acd73bee0), u)
   Exit: (217) [system] get_char((0x563acd73bee0), u)
   Call: (217) [system] u=(\)
   Fail: (217) [system] u=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _50124)
   Call: (218) [system] peek_char((0x563acd73bee0), _51058)
   Exit: (218) [system] peek_char((0x563acd73bee0), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_55778, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_56710, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x563acd73bee0), n)
   Exit: (218) [system] get_char((0x563acd73bee0), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _64060)
   Call: (219) [system] peek_char((0x563acd73bee0), _64994)
   Exit: (219) [system] peek_char((0x563acd73bee0), c)
^  Call: (219) [user] is_delimiter(c)
   Call: (220) [system] char_type(c, space)
   Fail: (220) [system] char_type(c, space)
   Call: (220) [system] arg(_69714, v('(', ')', end_of_file), c)
   Fail: (220) [system] arg(_70646, v('(', ')', end_of_file), c)
^  Fail: (219) [user] is_delimiter(c)
   Call: (219) [system] ')'==c
   Fail: (219) [system] ')'==c
   Call: (219) [system] get_char((0x563acd73bee0), c)
   Exit: (219) [system] get_char((0x563acd73bee0), c)
   Call: (219) [system] c=(\)
   Fail: (219) [system] c=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _77996)
   Call: (220) [system] peek_char((0x563acd73bee0), _78930)
   Exit: (220) [system] peek_char((0x563acd73bee0), t)
^  Call: (220) [user] is_delimiter(t)
   Call: (221) [system] char_type(t, space)
   Fail: (221) [system] char_type(t, space)
   Call: (221) [system] arg(_83650, v('(', ')', end_of_file), t)
   Fail: (221) [system] arg(_84582, v('(', ')', end_of_file), t)
^  Fail: (220) [user] is_delimiter(t)
   Call: (220) [system] ')'==t
   Fail: (220) [system] ')'==t
   Call: (220) [system] get_char((0x563acd73bee0), t)
   Exit: (220) [system] get_char((0x563acd73bee0), t)
   Call: (220) [system] t=(\)
   Fail: (220) [system] t=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _91932)
   Call: (221) [system] peek_char((0x563acd73bee0), _92866)
   Exit: (221) [system] peek_char((0x563acd73bee0), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_97586, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_98518, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x563acd73bee0), i)
   Exit: (221) [system] get_char((0x563acd73bee0), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _105868)
   Call: (222) [system] peek_char((0x563acd73bee0), _106802)
   Exit: (222) [system] peek_char((0x563acd73bee0), o)
^  Call: (222) [user] is_delimiter(o)
   Call: (223) [system] char_type(o, space)
   Fail: (223) [system] char_type(o, space)
   Call: (223) [system] arg(_111522, v('(', ')', end_of_file), o)
   Fail: (223) [system] arg(_112454, v('(', ')', end_of_file), o)
^  Fail: (222) [user] is_delimiter(o)
   Call: (222) [system] ')'==o
   Fail: (222) [system] ')'==o
   Call: (222) [system] get_char((0x563acd73bee0), o)
   Exit: (222) [system] get_char((0x563acd73bee0), o)
   Call: (222) [system] o=(\)
   Fail: (222) [system] o=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _119804)
   Call: (223) [system] peek_char((0x563acd73bee0), _120738)
   Exit: (223) [system] peek_char((0x563acd73bee0), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_125458, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_126390, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x563acd73bee0), n)
   Exit: (223) [system] get_char((0x563acd73bee0), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _133740)
   Call: (224) [system] peek_char((0x563acd73bee0), _134674)
   Exit: (224) [system] peek_char((0x563acd73bee0), 'I')
^  Call: (224) [user] is_delimiter('I')
   Call: (225) [system] char_type('I', space)
   Fail: (225) [system] char_type('I', space)
   Call: (225) [system] arg(_139394, v('(', ')', end_of_file), 'I')
   Fail: (225) [system] arg(_140326, v('(', ')', end_of_file), 'I')
^  Fail: (224) [user] is_delimiter('I')
   Call: (224) [system] ')'=='I'
   Fail: (224) [system] ')'=='I'
   Call: (224) [system] get_char((0x563acd73bee0), 'I')
   Exit: (224) [system] get_char((0x563acd73bee0), 'I')
   Call: (224) [system] 'I'=(\)
   Fail: (224) [system] 'I'=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _147676)
   Call: (225) [system] peek_char((0x563acd73bee0), _148610)
   Exit: (225) [system] peek_char((0x563acd73bee0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_153330, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_154262, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x563acd73bee0), n)
   Exit: (225) [system] get_char((0x563acd73bee0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _161612)
   Call: (226) [system] peek_char((0x563acd73bee0), _162546)
   Exit: (226) [system] peek_char((0x563acd73bee0), t)
^  Call: (226) [user] is_delimiter(t)
   Call: (227) [system] char_type(t, space)
   Fail: (227) [system] char_type(t, space)
   Call: (227) [system] arg(_167266, v('(', ')', end_of_file), t)
   Fail: (227) [system] arg(_168198, v('(', ')', end_of_file), t)
^  Fail: (226) [user] is_delimiter(t)
   Call: (226) [system] ')'==t
   Fail: (226) [system] ')'==t
   Call: (226) [system] get_char((0x563acd73bee0), t)
   Exit: (226) [system] get_char((0x563acd73bee0), t)
   Call: (226) [system] t=(\)
   Fail: (226) [system] t=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _175548)
   Call: (227) [system] peek_char((0x563acd73bee0), _176482)
   Exit: (227) [system] peek_char((0x563acd73bee0), r)
^  Call: (227) [user] is_delimiter(r)
   Call: (228) [system] char_type(r, space)
   Fail: (228) [system] char_type(r, space)
   Call: (228) [system] arg(_181202, v('(', ')', end_of_file), r)
   Fail: (228) [system] arg(_182134, v('(', ')', end_of_file), r)
^  Fail: (227) [user] is_delimiter(r)
   Call: (227) [system] ')'==r
   Fail: (227) [system] ')'==r
   Call: (227) [system] get_char((0x563acd73bee0), r)
   Exit: (227) [system] get_char((0x563acd73bee0), r)
   Call: (227) [system] r=(\)
   Fail: (227) [system] r=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _189484)
   Call: (228) [system] peek_char((0x563acd73bee0), _190418)
   Exit: (228) [system] peek_char((0x563acd73bee0), o)
^  Call: (228) [user] is_delimiter(o)
   Call: (229) [system] char_type(o, space)
   Fail: (229) [system] char_type(o, space)
   Call: (229) [system] arg(_195138, v('(', ')', end_of_file), o)
   Fail: (229) [system] arg(_196070, v('(', ')', end_of_file), o)
^  Fail: (228) [user] is_delimiter(o)
   Call: (228) [system] ')'==o
   Fail: (228) [system] ')'==o
   Call: (228) [system] get_char((0x563acd73bee0), o)
   Exit: (228) [system] get_char((0x563acd73bee0), o)
   Call: (228) [system] o=(\)
   Fail: (228) [system] o=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _203420)
   Call: (229) [system] peek_char((0x563acd73bee0), _204354)
   Exit: (229) [system] peek_char((0x563acd73bee0), d)
^  Call: (229) [user] is_delimiter(d)
   Call: (230) [system] char_type(d, space)
   Fail: (230) [system] char_type(d, space)
   Call: (230) [system] arg(_209074, v('(', ')', end_of_file), d)
   Fail: (230) [system] arg(_210006, v('(', ')', end_of_file), d)
^  Fail: (229) [user] is_delimiter(d)
   Call: (229) [system] ')'==d
   Fail: (229) [system] ')'==d
   Call: (229) [system] get_char((0x563acd73bee0), d)
   Exit: (229) [system] get_char((0x563acd73bee0), d)
   Call: (229) [system] d=(\)
   Fail: (229) [system] d=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _217356)
   Call: (230) [system] peek_char((0x563acd73bee0), _218290)
   Exit: (230) [system] peek_char((0x563acd73bee0), u)
^  Call: (230) [user] is_delimiter(u)
   Call: (231) [system] char_type(u, space)
   Fail: (231) [system] char_type(u, space)
   Call: (231) [system] arg(_223010, v('(', ')', end_of_file), u)
   Fail: (231) [system] arg(_223942, v('(', ')', end_of_file), u)
^  Fail: (230) [user] is_delimiter(u)
   Call: (230) [system] ')'==u
   Fail: (230) [system] ')'==u
   Call: (230) [system] get_char((0x563acd73bee0), u)
   Exit: (230) [system] get_char((0x563acd73bee0), u)
   Call: (230) [system] u=(\)
   Fail: (230) [system] u=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _231292)
   Call: (231) [system] peek_char((0x563acd73bee0), _232226)
   Exit: (231) [system] peek_char((0x563acd73bee0), c)
^  Call: (231) [user] is_delimiter(c)
   Call: (232) [system] char_type(c, space)
   Fail: (232) [system] char_type(c, space)
   Call: (232) [system] arg(_236946, v('(', ')', end_of_file), c)
   Fail: (232) [system] arg(_237878, v('(', ')', end_of_file), c)
^  Fail: (231) [user] is_delimiter(c)
   Call: (231) [system] ')'==c
   Fail: (231) [system] ')'==c
   Call: (231) [system] get_char((0x563acd73bee0), c)
   Exit: (231) [system] get_char((0x563acd73bee0), c)
   Call: (231) [system] c=(\)
   Fail: (231) [system] c=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _245228)
   Call: (232) [system] peek_char((0x563acd73bee0), _246162)
   Exit: (232) [system] peek_char((0x563acd73bee0), t)
^  Call: (232) [user] is_delimiter(t)
   Call: (233) [system] char_type(t, space)
   Fail: (233) [system] char_type(t, space)
   Call: (233) [system] arg(_250882, v('(', ')', end_of_file), t)
   Fail: (233) [system] arg(_251814, v('(', ')', end_of_file), t)
^  Fail: (232) [user] is_delimiter(t)
   Call: (232) [system] ')'==t
   Fail: (232) [system] ')'==t
   Call: (232) [system] get_char((0x563acd73bee0), t)
   Exit: (232) [system] get_char((0x563acd73bee0), t)
   Call: (232) [system] t=(\)
   Fail: (232) [system] t=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _259164)
   Call: (233) [system] peek_char((0x563acd73bee0), _260098)
   Exit: (233) [system] peek_char((0x563acd73bee0), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Fail: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_264818, v('(', ')', end_of_file), i)
   Fail: (234) [system] arg(_265750, v('(', ')', end_of_file), i)
^  Fail: (233) [user] is_delimiter(i)
   Call: (233) [system] ')'==i
   Fail: (233) [system] ')'==i
   Call: (233) [system] get_char((0x563acd73bee0), i)
   Exit: (233) [system] get_char((0x563acd73bee0), i)
   Call: (233) [system] i=(\)
   Fail: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), _273100)
   Call: (234) [system] peek_char((0x563acd73bee0), _274034)
   Exit: (234) [system] peek_char((0x563acd73bee0), o)
^  Call: (234) [user] is_delimiter(o)
   Call: (235) [system] char_type(o, space)
   Fail: (235) [system] char_type(o, space)
   Call: (235) [system] arg(_278754, v('(', ')', end_of_file), o)
   Fail: (235) [system] arg(_279686, v('(', ')', end_of_file), o)
^  Fail: (234) [user] is_delimiter(o)
   Call: (234) [system] ')'==o
   Fail: (234) [system] ')'==o
   Call: (234) [system] get_char((0x563acd73bee0), o)
   Exit: (234) [system] get_char((0x563acd73bee0), o)
   Call: (234) [system] o=(\)
   Fail: (234) [system] o=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), _287036)
   Call: (235) [system] peek_char((0x563acd73bee0), _287970)
   Exit: (235) [system] peek_char((0x563acd73bee0), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Fail: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_292690, v('(', ')', end_of_file), n)
   Fail: (236) [system] arg(_293622, v('(', ')', end_of_file), n)
^  Fail: (235) [user] is_delimiter(n)
   Call: (235) [system] ')'==n
   Fail: (235) [system] ')'==n
   Call: (235) [system] get_char((0x563acd73bee0), n)
   Exit: (235) [system] get_char((0x563acd73bee0), n)
   Call: (235) [system] n=(\)
   Fail: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), _300972)
   Call: (236) [system] peek_char((0x563acd73bee0), _301906)
   Exit: (236) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (236) [user] is_delimiter(' ')
   Call: (237) [system] char_type(' ', space)
   Exit: (237) [system] char_type(' ', space)
^  Exit: (236) [user] is_delimiter(' ')
   Call: (236) [system] _300972=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (235) [system] _287036=[n]
   Exit: (235) [system] [n]=[n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (234) [system] _273100=[o, n]
   Exit: (234) [system] [o, n]=[o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (233) [system] _259164=[i, o, n]
   Exit: (233) [system] [i, o, n]=[i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (232) [system] _245228=[t, i, o, n]
   Exit: (232) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (231) [system] _231292=[c, t, i, o, n]
   Exit: (231) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n])
   Call: (230) [system] _217356=[u, c, t, i, o, n]
   Exit: (230) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, i, o, n])
   Call: (229) [system] _203420=[d, u, c, t, i, o, n]
   Exit: (229) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, u, c, t, i, o, n])
   Call: (228) [system] _189484=[o, d, u, c, t, i, o, n]
   Exit: (228) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, d, u, c, t, i, o, n])
   Call: (227) [system] _175548=[r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _161612=[t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _147676=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _133740=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _119804=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _105868=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _91932=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _77996=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _64060=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _50124=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _36188=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _22252=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _8316=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _5658=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (213) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _5654)
^  Call: (214) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _372658)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_373610, _373612), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _372658), _373592, fail)), '$restore_trace'(_373610, _373612))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_373610, _373612))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _372658), _373592, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_372658)
   Fail: (215) [system] atomic(_372658)
   Call: (215) [system] atom_chars(_372658, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (215) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (214) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (214) [system] integer('DisjunctionIntroduction')
   Fail: (214) [system] integer('DisjunctionIntroduction')
   Call: (214) [system] _5654='DisjunctionIntroduction'
   Exit: (214) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (213) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (212) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'DisjunctionIntroduction')
^  Exit: (211) [user] cont_sexpr(')', (0x563acd73bee0), 'DisjunctionIntroduction')
^  Call: (211) [user] read_list(')', (0x563acd73bee0), _387608)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _389466)
   Exit: (213) [system] peek_char((0x563acd73bee0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x563acd73bee0), _399060)
   Exit: (213) [system] get_char((0x563acd73bee0), ' ')
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _401764)
   Exit: (214) [system] peek_char((0x563acd73bee0), a)
   Call: (214) [system] a=(;)
   Fail: (214) [system] a=(;)
   Call: (214) [system] a=(/)
   Fail: (214) [system] a=(/)
^  Call: (214) [user] is_like_space(a)
   Call: (215) [system] char_type(a, 'white')
   Fail: (215) [system] char_type(a, 'white')
   Call: (215) [system] char_type(a, end_of_line)
   Fail: (215) [system] char_type(a, end_of_line)
   Call: (215) [system] char_type(a, space)
   Fail: (215) [system] char_type(a, space)
   Call: (215) [system] char_type(a, cntrl)
   Fail: (215) [system] char_type(a, cntrl)
^  Fail: (214) [user] is_like_space(a)
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _418698)
   Exit: (212) [system] peek_char((0x563acd73bee0), a)
   Call: (212) [system] a=')'
   Fail: (212) [system] a=')'
   Call: (212) [system] a=end_of_file
   Fail: (212) [system] a=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x563acd73bee0), _424268)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _426126)
   Exit: (214) [system] peek_char((0x563acd73bee0), a)
   Call: (214) [system] a=(;)
   Fail: (214) [system] a=(;)
   Call: (214) [system] a=(/)
   Fail: (214) [system] a=(/)
^  Call: (214) [user] is_like_space(a)
   Call: (215) [system] char_type(a, 'white')
   Fail: (215) [system] char_type(a, 'white')
   Call: (215) [system] char_type(a, end_of_line)
   Fail: (215) [system] char_type(a, end_of_line)
   Call: (215) [system] char_type(a, space)
   Fail: (215) [system] char_type(a, space)
   Call: (215) [system] char_type(a, cntrl)
   Fail: (215) [system] char_type(a, cntrl)
^  Fail: (214) [user] is_like_space(a)
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] get_char((0x563acd73bee0), _442136)
   Exit: (213) [system] get_char((0x563acd73bee0), a)
   Call: (213) [system] a='('
   Fail: (213) [system] a='('
   Call: (213) [system] a='['
   Fail: (213) [system] a='['
   Call: (213) [system] a='{'
   Fail: (213) [system] a='{'
   Call: (213) [system] a='"'
   Fail: (213) [system] a='"'
   Call: (213) [system] a=!
   Fail: (213) [system] a=!
   Call: (213) [system] a='\''
   Fail: (213) [system] a='\''
   Call: (213) [system] a='`'
   Fail: (213) [system] a='`'
   Call: (213) [system] a=end_of_file
   Fail: (213) [system] a=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x563acd73bee0), a, _424268)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _459778)
   Call: (215) [system] peek_char((0x563acd73bee0), _460712)
   Exit: (215) [system] peek_char((0x563acd73bee0), b)
^  Call: (215) [user] is_delimiter(b)
   Call: (216) [system] char_type(b, space)
   Fail: (216) [system] char_type(b, space)
   Call: (216) [system] arg(_465432, v('(', ')', end_of_file), b)
   Fail: (216) [system] arg(_466364, v('(', ')', end_of_file), b)
^  Fail: (215) [user] is_delimiter(b)
   Call: (215) [system] ')'==b
   Fail: (215) [system] ')'==b
   Call: (215) [system] get_char((0x563acd73bee0), b)
   Exit: (215) [system] get_char((0x563acd73bee0), b)
   Call: (215) [system] b=(\)
   Fail: (215) [system] b=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _473714)
   Call: (216) [system] peek_char((0x563acd73bee0), _474648)
   Exit: (216) [system] peek_char((0x563acd73bee0), c)
^  Call: (216) [user] is_delimiter(c)
   Call: (217) [system] char_type(c, space)
   Fail: (217) [system] char_type(c, space)
   Call: (217) [system] arg(_479368, v('(', ')', end_of_file), c)
   Fail: (217) [system] arg(_480300, v('(', ')', end_of_file), c)
^  Fail: (216) [user] is_delimiter(c)
   Call: (216) [system] ')'==c
   Fail: (216) [system] ')'==c
   Call: (216) [system] get_char((0x563acd73bee0), c)
   Exit: (216) [system] get_char((0x563acd73bee0), c)
   Call: (216) [system] c=(\)
   Fail: (216) [system] c=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _487650)
   Call: (217) [system] peek_char((0x563acd73bee0), _488584)
   Exit: (217) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _487650=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (216) [system] _473714=[c]
   Exit: (216) [system] [c]=[c]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [c])
   Call: (215) [system] _459778=[b, c]
   Exit: (215) [system] [b, c]=[b, c]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [b, c])
^  Call: (214) [user] classify_and_convert_charseq([a, b, c], _424268)
^  Call: (215) [user] classify_and_convert_charseq_([a, b, c], _503456)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_504408, _504410), once(user:catch(read_from_chars([a, b, c], _503456), _504390, fail)), '$restore_trace'(_504408, _504410))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_504408, _504410))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _504390, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(abc)
   Exit: (216) [system] atomic(abc)
^  Exit: (215) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (215) [system] integer(abc)
   Fail: (215) [system] integer(abc)
   Call: (215) [system] _424268=abc
   Exit: (215) [system] abc=abc
^  Exit: (214) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (213) [user] read_symbolic(')', (0x563acd73bee0), a, abc)
^  Exit: (212) [user] cont_sexpr(')', (0x563acd73bee0), abc)
^  Call: (212) [user] read_list(')', (0x563acd73bee0), _516536)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _518394)
   Exit: (214) [system] peek_char((0x563acd73bee0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x563acd73bee0), _527988)
   Exit: (214) [system] get_char((0x563acd73bee0), ' ')
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _530692)
   Exit: (215) [system] peek_char((0x563acd73bee0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _547626)
   Exit: (213) [system] peek_char((0x563acd73bee0), '(')
   Call: (213) [system] '('=')'
   Fail: (213) [system] '('=')'
   Call: (213) [system] '('=end_of_file
   Fail: (213) [system] '('=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x563acd73bee0), _553196)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _555054)
   Exit: (215) [system] peek_char((0x563acd73bee0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] get_char((0x563acd73bee0), _571064)
   Exit: (214) [system] get_char((0x563acd73bee0), '(')
   Call: (214) [system] '('='('
   Exit: (214) [system] '('='('
^  Call: (214) [user] read_list(')', (0x563acd73bee0), _553196)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _576634)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'D')
   Call: (216) [system] 'D'=(;)
   Fail: (216) [system] 'D'=(;)
   Call: (216) [system] 'D'=(/)
   Fail: (216) [system] 'D'=(/)
^  Call: (216) [user] is_like_space('D')
   Call: (217) [system] char_type('D', 'white')
   Fail: (217) [system] char_type('D', 'white')
   Call: (217) [system] char_type('D', end_of_line)
   Fail: (217) [system] char_type('D', end_of_line)
   Call: (217) [system] char_type('D', space)
   Fail: (217) [system] char_type('D', space)
   Call: (217) [system] char_type('D', cntrl)
   Fail: (217) [system] char_type('D', cntrl)
^  Fail: (216) [user] is_like_space('D')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _592644)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'D')
   Call: (215) [system] 'D'=')'
   Fail: (215) [system] 'D'=')'
   Call: (215) [system] 'D'=end_of_file
   Fail: (215) [system] 'D'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x563acd73bee0), _598214)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _600072)
   Exit: (217) [system] peek_char((0x563acd73bee0), 'D')
   Call: (217) [system] 'D'=(;)
   Fail: (217) [system] 'D'=(;)
   Call: (217) [system] 'D'=(/)
   Fail: (217) [system] 'D'=(/)
^  Call: (217) [user] is_like_space('D')
   Call: (218) [system] char_type('D', 'white')
   Fail: (218) [system] char_type('D', 'white')
   Call: (218) [system] char_type('D', end_of_line)
   Fail: (218) [system] char_type('D', end_of_line)
   Call: (218) [system] char_type('D', space)
   Fail: (218) [system] char_type('D', space)
   Call: (218) [system] char_type('D', cntrl)
   Fail: (218) [system] char_type('D', cntrl)
^  Fail: (217) [user] is_like_space('D')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] get_char((0x563acd73bee0), _616082)
   Exit: (216) [system] get_char((0x563acd73bee0), 'D')
   Call: (216) [system] 'D'='('
   Fail: (216) [system] 'D'='('
   Call: (216) [system] 'D'='['
   Fail: (216) [system] 'D'='['
   Call: (216) [system] 'D'='{'
   Fail: (216) [system] 'D'='{'
   Call: (216) [system] 'D'='"'
   Fail: (216) [system] 'D'='"'
   Call: (216) [system] 'D'=!
   Fail: (216) [system] 'D'=!
   Call: (216) [system] 'D'='\''
   Fail: (216) [system] 'D'='\''
   Call: (216) [system] 'D'='`'
   Fail: (216) [system] 'D'='`'
   Call: (216) [system] 'D'=end_of_file
   Fail: (216) [system] 'D'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x563acd73bee0), 'D', _598214)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _633724)
   Call: (218) [system] peek_char((0x563acd73bee0), _634658)
   Exit: (218) [system] peek_char((0x563acd73bee0), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Fail: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_639378, v('(', ')', end_of_file), i)
   Fail: (219) [system] arg(_640310, v('(', ')', end_of_file), i)
^  Fail: (218) [user] is_delimiter(i)
   Call: (218) [system] ')'==i
   Fail: (218) [system] ')'==i
   Call: (218) [system] get_char((0x563acd73bee0), i)
   Exit: (218) [system] get_char((0x563acd73bee0), i)
   Call: (218) [system] i=(\)
   Fail: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _647660)
   Call: (219) [system] peek_char((0x563acd73bee0), _648594)
   Exit: (219) [system] peek_char((0x563acd73bee0), s)
^  Call: (219) [user] is_delimiter(s)
   Call: (220) [system] char_type(s, space)
   Fail: (220) [system] char_type(s, space)
   Call: (220) [system] arg(_653314, v('(', ')', end_of_file), s)
   Fail: (220) [system] arg(_654246, v('(', ')', end_of_file), s)
^  Fail: (219) [user] is_delimiter(s)
   Call: (219) [system] ')'==s
   Fail: (219) [system] ')'==s
   Call: (219) [system] get_char((0x563acd73bee0), s)
   Exit: (219) [system] get_char((0x563acd73bee0), s)
   Call: (219) [system] s=(\)
   Fail: (219) [system] s=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _661596)
   Call: (220) [system] peek_char((0x563acd73bee0), _662530)
   Exit: (220) [system] peek_char((0x563acd73bee0), j)
^  Call: (220) [user] is_delimiter(j)
   Call: (221) [system] char_type(j, space)
   Fail: (221) [system] char_type(j, space)
   Call: (221) [system] arg(_667250, v('(', ')', end_of_file), j)
   Fail: (221) [system] arg(_668182, v('(', ')', end_of_file), j)
^  Fail: (220) [user] is_delimiter(j)
   Call: (220) [system] ')'==j
   Fail: (220) [system] ')'==j
   Call: (220) [system] get_char((0x563acd73bee0), j)
   Exit: (220) [system] get_char((0x563acd73bee0), j)
   Call: (220) [system] j=(\)
   Fail: (220) [system] j=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _675532)
   Call: (221) [system] peek_char((0x563acd73bee0), _676466)
   Exit: (221) [system] peek_char((0x563acd73bee0), u)
^  Call: (221) [user] is_delimiter(u)
   Call: (222) [system] char_type(u, space)
   Fail: (222) [system] char_type(u, space)
   Call: (222) [system] arg(_681186, v('(', ')', end_of_file), u)
   Fail: (222) [system] arg(_682118, v('(', ')', end_of_file), u)
^  Fail: (221) [user] is_delimiter(u)
   Call: (221) [system] ')'==u
   Fail: (221) [system] ')'==u
   Call: (221) [system] get_char((0x563acd73bee0), u)
   Exit: (221) [system] get_char((0x563acd73bee0), u)
   Call: (221) [system] u=(\)
   Fail: (221) [system] u=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _689468)
   Call: (222) [system] peek_char((0x563acd73bee0), _690402)
   Exit: (222) [system] peek_char((0x563acd73bee0), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_695122, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_696054, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x563acd73bee0), n)
   Exit: (222) [system] get_char((0x563acd73bee0), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _703404)
   Call: (223) [system] peek_char((0x563acd73bee0), _704338)
   Exit: (223) [system] peek_char((0x563acd73bee0), c)
^  Call: (223) [user] is_delimiter(c)
   Call: (224) [system] char_type(c, space)
   Fail: (224) [system] char_type(c, space)
   Call: (224) [system] arg(_709058, v('(', ')', end_of_file), c)
   Fail: (224) [system] arg(_709990, v('(', ')', end_of_file), c)
^  Fail: (223) [user] is_delimiter(c)
   Call: (223) [system] ')'==c
   Fail: (223) [system] ')'==c
   Call: (223) [system] get_char((0x563acd73bee0), c)
   Exit: (223) [system] get_char((0x563acd73bee0), c)
   Call: (223) [system] c=(\)
   Fail: (223) [system] c=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _717340)
   Call: (224) [system] peek_char((0x563acd73bee0), _718274)
   Exit: (224) [system] peek_char((0x563acd73bee0), t)
^  Call: (224) [user] is_delimiter(t)
   Call: (225) [system] char_type(t, space)
   Fail: (225) [system] char_type(t, space)
   Call: (225) [system] arg(_722994, v('(', ')', end_of_file), t)
   Fail: (225) [system] arg(_723926, v('(', ')', end_of_file), t)
^  Fail: (224) [user] is_delimiter(t)
   Call: (224) [system] ')'==t
   Fail: (224) [system] ')'==t
   Call: (224) [system] get_char((0x563acd73bee0), t)
   Exit: (224) [system] get_char((0x563acd73bee0), t)
   Call: (224) [system] t=(\)
   Fail: (224) [system] t=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _731276)
   Call: (225) [system] peek_char((0x563acd73bee0), _732210)
   Exit: (225) [system] peek_char((0x563acd73bee0), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_736930, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_737862, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x563acd73bee0), i)
   Exit: (225) [system] get_char((0x563acd73bee0), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _745212)
   Call: (226) [system] peek_char((0x563acd73bee0), _746146)
   Exit: (226) [system] peek_char((0x563acd73bee0), o)
^  Call: (226) [user] is_delimiter(o)
   Call: (227) [system] char_type(o, space)
   Fail: (227) [system] char_type(o, space)
   Call: (227) [system] arg(_750866, v('(', ')', end_of_file), o)
   Fail: (227) [system] arg(_751798, v('(', ')', end_of_file), o)
^  Fail: (226) [user] is_delimiter(o)
   Call: (226) [system] ')'==o
   Fail: (226) [system] ')'==o
   Call: (226) [system] get_char((0x563acd73bee0), o)
   Exit: (226) [system] get_char((0x563acd73bee0), o)
   Call: (226) [system] o=(\)
   Fail: (226) [system] o=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _759148)
   Call: (227) [system] peek_char((0x563acd73bee0), _760082)
   Exit: (227) [system] peek_char((0x563acd73bee0), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_764802, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_765734, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x563acd73bee0), n)
   Exit: (227) [system] get_char((0x563acd73bee0), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _773084)
   Call: (228) [system] peek_char((0x563acd73bee0), _774018)
   Exit: (228) [system] peek_char((0x563acd73bee0), 'I')
^  Call: (228) [user] is_delimiter('I')
   Call: (229) [system] char_type('I', space)
   Fail: (229) [system] char_type('I', space)
   Call: (229) [system] arg(_778738, v('(', ')', end_of_file), 'I')
   Fail: (229) [system] arg(_779670, v('(', ')', end_of_file), 'I')
^  Fail: (228) [user] is_delimiter('I')
   Call: (228) [system] ')'=='I'
   Fail: (228) [system] ')'=='I'
   Call: (228) [system] get_char((0x563acd73bee0), 'I')
   Exit: (228) [system] get_char((0x563acd73bee0), 'I')
   Call: (228) [system] 'I'=(\)
   Fail: (228) [system] 'I'=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _787020)
   Call: (229) [system] peek_char((0x563acd73bee0), _787954)
   Exit: (229) [system] peek_char((0x563acd73bee0), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_792674, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_793606, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x563acd73bee0), n)
   Exit: (229) [system] get_char((0x563acd73bee0), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _800956)
   Call: (230) [system] peek_char((0x563acd73bee0), _801890)
   Exit: (230) [system] peek_char((0x563acd73bee0), t)
^  Call: (230) [user] is_delimiter(t)
   Call: (231) [system] char_type(t, space)
   Fail: (231) [system] char_type(t, space)
   Call: (231) [system] arg(_806610, v('(', ')', end_of_file), t)
   Fail: (231) [system] arg(_807542, v('(', ')', end_of_file), t)
^  Fail: (230) [user] is_delimiter(t)
   Call: (230) [system] ')'==t
   Fail: (230) [system] ')'==t
   Call: (230) [system] get_char((0x563acd73bee0), t)
   Exit: (230) [system] get_char((0x563acd73bee0), t)
   Call: (230) [system] t=(\)
   Fail: (230) [system] t=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _814892)
   Call: (231) [system] peek_char((0x563acd73bee0), _815826)
   Exit: (231) [system] peek_char((0x563acd73bee0), r)
^  Call: (231) [user] is_delimiter(r)
   Call: (232) [system] char_type(r, space)
   Fail: (232) [system] char_type(r, space)
   Call: (232) [system] arg(_820546, v('(', ')', end_of_file), r)
   Fail: (232) [system] arg(_821478, v('(', ')', end_of_file), r)
^  Fail: (231) [user] is_delimiter(r)
   Call: (231) [system] ')'==r
   Fail: (231) [system] ')'==r
   Call: (231) [system] get_char((0x563acd73bee0), r)
   Exit: (231) [system] get_char((0x563acd73bee0), r)
   Call: (231) [system] r=(\)
   Fail: (231) [system] r=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _828828)
   Call: (232) [system] peek_char((0x563acd73bee0), _829762)
   Exit: (232) [system] peek_char((0x563acd73bee0), o)
^  Call: (232) [user] is_delimiter(o)
   Call: (233) [system] char_type(o, space)
   Fail: (233) [system] char_type(o, space)
   Call: (233) [system] arg(_834482, v('(', ')', end_of_file), o)
   Fail: (233) [system] arg(_835414, v('(', ')', end_of_file), o)
^  Fail: (232) [user] is_delimiter(o)
   Call: (232) [system] ')'==o
   Fail: (232) [system] ')'==o
   Call: (232) [system] get_char((0x563acd73bee0), o)
   Exit: (232) [system] get_char((0x563acd73bee0), o)
   Call: (232) [system] o=(\)
   Fail: (232) [system] o=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _842764)
   Call: (233) [system] peek_char((0x563acd73bee0), _843698)
   Exit: (233) [system] peek_char((0x563acd73bee0), d)
^  Call: (233) [user] is_delimiter(d)
   Call: (234) [system] char_type(d, space)
   Fail: (234) [system] char_type(d, space)
   Call: (234) [system] arg(_848418, v('(', ')', end_of_file), d)
   Fail: (234) [system] arg(_849350, v('(', ')', end_of_file), d)
^  Fail: (233) [user] is_delimiter(d)
   Call: (233) [system] ')'==d
   Fail: (233) [system] ')'==d
   Call: (233) [system] get_char((0x563acd73bee0), d)
   Exit: (233) [system] get_char((0x563acd73bee0), d)
   Call: (233) [system] d=(\)
   Fail: (233) [system] d=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), _856700)
   Call: (234) [system] peek_char((0x563acd73bee0), _857634)
   Exit: (234) [system] peek_char((0x563acd73bee0), u)
^  Call: (234) [user] is_delimiter(u)
   Call: (235) [system] char_type(u, space)
   Fail: (235) [system] char_type(u, space)
   Call: (235) [system] arg(_862354, v('(', ')', end_of_file), u)
   Fail: (235) [system] arg(_863286, v('(', ')', end_of_file), u)
^  Fail: (234) [user] is_delimiter(u)
   Call: (234) [system] ')'==u
   Fail: (234) [system] ')'==u
   Call: (234) [system] get_char((0x563acd73bee0), u)
   Exit: (234) [system] get_char((0x563acd73bee0), u)
   Call: (234) [system] u=(\)
   Fail: (234) [system] u=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), _870636)
   Call: (235) [system] peek_char((0x563acd73bee0), _871570)
   Exit: (235) [system] peek_char((0x563acd73bee0), c)
^  Call: (235) [user] is_delimiter(c)
   Call: (236) [system] char_type(c, space)
   Fail: (236) [system] char_type(c, space)
   Call: (236) [system] arg(_876290, v('(', ')', end_of_file), c)
   Fail: (236) [system] arg(_877222, v('(', ')', end_of_file), c)
^  Fail: (235) [user] is_delimiter(c)
   Call: (235) [system] ')'==c
   Fail: (235) [system] ')'==c
   Call: (235) [system] get_char((0x563acd73bee0), c)
   Exit: (235) [system] get_char((0x563acd73bee0), c)
   Call: (235) [system] c=(\)
   Fail: (235) [system] c=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), _884572)
   Call: (236) [system] peek_char((0x563acd73bee0), _885506)
   Exit: (236) [system] peek_char((0x563acd73bee0), t)
^  Call: (236) [user] is_delimiter(t)
   Call: (237) [system] char_type(t, space)
   Fail: (237) [system] char_type(t, space)
   Call: (237) [system] arg(_890226, v('(', ')', end_of_file), t)
   Fail: (237) [system] arg(_891158, v('(', ')', end_of_file), t)
^  Fail: (236) [user] is_delimiter(t)
   Call: (236) [system] ')'==t
   Fail: (236) [system] ')'==t
   Call: (236) [system] get_char((0x563acd73bee0), t)
   Exit: (236) [system] get_char((0x563acd73bee0), t)
   Call: (236) [system] t=(\)
   Fail: (236) [system] t=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), _898508)
   Call: (237) [system] peek_char((0x563acd73bee0), _899442)
   Exit: (237) [system] peek_char((0x563acd73bee0), i)
^  Call: (237) [user] is_delimiter(i)
   Call: (238) [system] char_type(i, space)
   Fail: (238) [system] char_type(i, space)
   Call: (238) [system] arg(_904162, v('(', ')', end_of_file), i)
   Fail: (238) [system] arg(_905094, v('(', ')', end_of_file), i)
^  Fail: (237) [user] is_delimiter(i)
   Call: (237) [system] ')'==i
   Fail: (237) [system] ')'==i
   Call: (237) [system] get_char((0x563acd73bee0), i)
   Exit: (237) [system] get_char((0x563acd73bee0), i)
   Call: (237) [system] i=(\)
   Fail: (237) [system] i=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), _912444)
   Call: (238) [system] peek_char((0x563acd73bee0), _913378)
   Exit: (238) [system] peek_char((0x563acd73bee0), o)
^  Call: (238) [user] is_delimiter(o)
   Call: (239) [system] char_type(o, space)
   Fail: (239) [system] char_type(o, space)
   Call: (239) [system] arg(_918098, v('(', ')', end_of_file), o)
   Fail: (239) [system] arg(_919030, v('(', ')', end_of_file), o)
^  Fail: (238) [user] is_delimiter(o)
   Call: (238) [system] ')'==o
   Fail: (238) [system] ')'==o
   Call: (238) [system] get_char((0x563acd73bee0), o)
   Exit: (238) [system] get_char((0x563acd73bee0), o)
   Call: (238) [system] o=(\)
   Fail: (238) [system] o=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x563acd73bee0), _926380)
   Call: (239) [system] peek_char((0x563acd73bee0), _927314)
   Exit: (239) [system] peek_char((0x563acd73bee0), n)
^  Call: (239) [user] is_delimiter(n)
   Call: (240) [system] char_type(n, space)
   Fail: (240) [system] char_type(n, space)
   Call: (240) [system] arg(_932034, v('(', ')', end_of_file), n)
   Fail: (240) [system] arg(_932966, v('(', ')', end_of_file), n)
^  Fail: (239) [user] is_delimiter(n)
   Call: (239) [system] ')'==n
   Fail: (239) [system] ')'==n
   Call: (239) [system] get_char((0x563acd73bee0), n)
   Exit: (239) [system] get_char((0x563acd73bee0), n)
   Call: (239) [system] n=(\)
   Fail: (239) [system] n=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x563acd73bee0), _940316)
   Call: (240) [system] peek_char((0x563acd73bee0), _941250)
   Exit: (240) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (240) [user] is_delimiter(' ')
   Call: (241) [system] char_type(' ', space)
   Exit: (241) [system] char_type(' ', space)
^  Exit: (240) [user] is_delimiter(' ')
   Call: (240) [system] _940316=[]
   Exit: (240) [system] []=[]
^  Exit: (239) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (239) [system] _926380=[n]
   Exit: (239) [system] [n]=[n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (238) [system] _912444=[o, n]
   Exit: (238) [system] [o, n]=[o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (237) [system] _898508=[i, o, n]
   Exit: (237) [system] [i, o, n]=[i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (236) [system] _884572=[t, i, o, n]
   Exit: (236) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (235) [system] _870636=[c, t, i, o, n]
   Exit: (235) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n])
   Call: (234) [system] _856700=[u, c, t, i, o, n]
   Exit: (234) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, i, o, n])
   Call: (233) [system] _842764=[d, u, c, t, i, o, n]
   Exit: (233) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, u, c, t, i, o, n])
   Call: (232) [system] _828828=[o, d, u, c, t, i, o, n]
   Exit: (232) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, d, u, c, t, i, o, n])
   Call: (231) [system] _814892=[r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _800956=[t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _787020=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _773084=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _759148=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _745212=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _731276=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _717340=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _703404=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _689468=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _675532=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _661596=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _647660=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _633724=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (217) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _598214)
^  Call: (218) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1012002)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_1012954, _1012956), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1012002), _1012936, fail)), '$restore_trace'(_1012954, _1012956))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_1012954, _1012956))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1012002), _1012936, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_1012002)
   Fail: (219) [system] atomic(_1012002)
   Call: (219) [system] atom_chars(_1012002, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (219) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (218) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (218) [system] integer('DisjunctionIntroduction')
   Fail: (218) [system] integer('DisjunctionIntroduction')
   Call: (218) [system] _598214='DisjunctionIntroduction'
   Exit: (218) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (217) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (216) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'DisjunctionIntroduction')
^  Exit: (215) [user] cont_sexpr(')', (0x563acd73bee0), 'DisjunctionIntroduction')
^  Call: (215) [user] read_list(')', (0x563acd73bee0), _1026952)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1028810)
   Exit: (217) [system] peek_char((0x563acd73bee0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x563acd73bee0), _1038404)
   Exit: (217) [system] get_char((0x563acd73bee0), ' ')
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _1041108)
   Exit: (218) [system] peek_char((0x563acd73bee0), c)
   Call: (218) [system] c=(;)
   Fail: (218) [system] c=(;)
   Call: (218) [system] c=(/)
   Fail: (218) [system] c=(/)
^  Call: (218) [user] is_like_space(c)
   Call: (219) [system] char_type(c, 'white')
   Fail: (219) [system] char_type(c, 'white')
   Call: (219) [system] char_type(c, end_of_line)
   Fail: (219) [system] char_type(c, end_of_line)
   Call: (219) [system] char_type(c, space)
   Fail: (219) [system] char_type(c, space)
   Call: (219) [system] char_type(c, cntrl)
   Fail: (219) [system] char_type(c, cntrl)
^  Fail: (218) [user] is_like_space(c)
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1058042)
   Exit: (216) [system] peek_char((0x563acd73bee0), c)
   Call: (216) [system] c=')'
   Fail: (216) [system] c=')'
   Call: (216) [system] c=end_of_file
   Fail: (216) [system] c=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x563acd73bee0), _1063612)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _1065470)
   Exit: (218) [system] peek_char((0x563acd73bee0), c)
   Call: (218) [system] c=(;)
   Fail: (218) [system] c=(;)
   Call: (218) [system] c=(/)
   Fail: (218) [system] c=(/)
^  Call: (218) [user] is_like_space(c)
   Call: (219) [system] char_type(c, 'white')
   Fail: (219) [system] char_type(c, 'white')
   Call: (219) [system] char_type(c, end_of_line)
   Fail: (219) [system] char_type(c, end_of_line)
   Call: (219) [system] char_type(c, space)
   Fail: (219) [system] char_type(c, space)
   Call: (219) [system] char_type(c, cntrl)
   Fail: (219) [system] char_type(c, cntrl)
^  Fail: (218) [user] is_like_space(c)
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] get_char((0x563acd73bee0), _1081480)
   Exit: (217) [system] get_char((0x563acd73bee0), c)
   Call: (217) [system] c='('
   Fail: (217) [system] c='('
   Call: (217) [system] c='['
   Fail: (217) [system] c='['
   Call: (217) [system] c='{'
   Fail: (217) [system] c='{'
   Call: (217) [system] c='"'
   Fail: (217) [system] c='"'
   Call: (217) [system] c=!
   Fail: (217) [system] c=!
   Call: (217) [system] c='\''
   Fail: (217) [system] c='\''
   Call: (217) [system] c='`'
   Fail: (217) [system] c='`'
   Call: (217) [system] c=end_of_file
   Fail: (217) [system] c=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x563acd73bee0), c, _1063612)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _1099122)
   Call: (219) [system] peek_char((0x563acd73bee0), _1100056)
   Exit: (219) [system] peek_char((0x563acd73bee0), d)
^  Call: (219) [user] is_delimiter(d)
   Call: (220) [system] char_type(d, space)
   Fail: (220) [system] char_type(d, space)
   Call: (220) [system] arg(_1104776, v('(', ')', end_of_file), d)
   Fail: (220) [system] arg(_1105708, v('(', ')', end_of_file), d)
^  Fail: (219) [user] is_delimiter(d)
   Call: (219) [system] ')'==d
   Fail: (219) [system] ')'==d
   Call: (219) [system] get_char((0x563acd73bee0), d)
   Exit: (219) [system] get_char((0x563acd73bee0), d)
   Call: (219) [system] d=(\)
   Fail: (219) [system] d=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _1113058)
   Call: (220) [system] peek_char((0x563acd73bee0), _1113992)
   Exit: (220) [system] peek_char((0x563acd73bee0), e)
^  Call: (220) [user] is_delimiter(e)
   Call: (221) [system] char_type(e, space)
   Fail: (221) [system] char_type(e, space)
   Call: (221) [system] arg(_1118712, v('(', ')', end_of_file), e)
   Fail: (221) [system] arg(_1119644, v('(', ')', end_of_file), e)
^  Fail: (220) [user] is_delimiter(e)
   Call: (220) [system] ')'==e
   Fail: (220) [system] ')'==e
   Call: (220) [system] get_char((0x563acd73bee0), e)
   Exit: (220) [system] get_char((0x563acd73bee0), e)
   Call: (220) [system] e=(\)
   Fail: (220) [system] e=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _1126994)
   Call: (221) [system] peek_char((0x563acd73bee0), _1127928)
   Exit: (221) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (221) [user] is_delimiter(' ')
   Call: (222) [system] char_type(' ', space)
   Exit: (222) [system] char_type(' ', space)
^  Exit: (221) [user] is_delimiter(' ')
   Call: (221) [system] _1126994=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (220) [system] _1113058=[e]
   Exit: (220) [system] [e]=[e]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [e])
   Call: (219) [system] _1099122=[d, e]
   Exit: (219) [system] [d, e]=[d, e]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, e])
^  Call: (218) [user] classify_and_convert_charseq([c, d, e], _1063612)
^  Call: (219) [user] classify_and_convert_charseq_([c, d, e], _1142800)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_1143752, _1143754), once(user:catch(read_from_chars([c, d, e], _1142800), _1143734, fail)), '$restore_trace'(_1143752, _1143754))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_1143752, _1143754))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1143734, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(cde)
   Exit: (220) [system] atomic(cde)
^  Exit: (219) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (219) [system] integer(cde)
   Fail: (219) [system] integer(cde)
   Call: (219) [system] _1063612=cde
   Exit: (219) [system] cde=cde
^  Exit: (218) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (217) [user] read_symbolic(')', (0x563acd73bee0), c, cde)
^  Exit: (216) [user] cont_sexpr(')', (0x563acd73bee0), cde)
^  Call: (216) [user] read_list(')', (0x563acd73bee0), _1155880)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _1157738)
   Exit: (218) [system] peek_char((0x563acd73bee0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x563acd73bee0), _1167332)
   Exit: (218) [system] get_char((0x563acd73bee0), ' ')
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _1170036)
   Exit: (219) [system] peek_char((0x563acd73bee0), a)
   Call: (219) [system] a=(;)
   Fail: (219) [system] a=(;)
   Call: (219) [system] a=(/)
   Fail: (219) [system] a=(/)
^  Call: (219) [user] is_like_space(a)
   Call: (220) [system] char_type(a, 'white')
   Fail: (220) [system] char_type(a, 'white')
   Call: (220) [system] char_type(a, end_of_line)
   Fail: (220) [system] char_type(a, end_of_line)
   Call: (220) [system] char_type(a, space)
   Fail: (220) [system] char_type(a, space)
   Call: (220) [system] char_type(a, cntrl)
   Fail: (220) [system] char_type(a, cntrl)
^  Fail: (219) [user] is_like_space(a)
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1186970)
   Exit: (217) [system] peek_char((0x563acd73bee0), a)
   Call: (217) [system] a=')'
   Fail: (217) [system] a=')'
   Call: (217) [system] a=end_of_file
   Fail: (217) [system] a=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x563acd73bee0), _1192540)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _1194398)
   Exit: (219) [system] peek_char((0x563acd73bee0), a)
   Call: (219) [system] a=(;)
   Fail: (219) [system] a=(;)
   Call: (219) [system] a=(/)
   Fail: (219) [system] a=(/)
^  Call: (219) [user] is_like_space(a)
   Call: (220) [system] char_type(a, 'white')
   Fail: (220) [system] char_type(a, 'white')
   Call: (220) [system] char_type(a, end_of_line)
   Fail: (220) [system] char_type(a, end_of_line)
   Call: (220) [system] char_type(a, space)
   Fail: (220) [system] char_type(a, space)
   Call: (220) [system] char_type(a, cntrl)
   Fail: (220) [system] char_type(a, cntrl)
^  Fail: (219) [user] is_like_space(a)
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] get_char((0x563acd73bee0), _1210408)
   Exit: (218) [system] get_char((0x563acd73bee0), a)
   Call: (218) [system] a='('
   Fail: (218) [system] a='('
   Call: (218) [system] a='['
   Fail: (218) [system] a='['
   Call: (218) [system] a='{'
   Fail: (218) [system] a='{'
   Call: (218) [system] a='"'
   Fail: (218) [system] a='"'
   Call: (218) [system] a=!
   Fail: (218) [system] a=!
   Call: (218) [system] a='\''
   Fail: (218) [system] a='\''
   Call: (218) [system] a='`'
   Fail: (218) [system] a='`'
   Call: (218) [system] a=end_of_file
   Fail: (218) [system] a=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x563acd73bee0), a, _1192540)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _1228050)
   Call: (220) [system] peek_char((0x563acd73bee0), _1228984)
   Exit: (220) [system] peek_char((0x563acd73bee0), ')')
^  Call: (220) [user] is_delimiter(')')
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] arg(_1233704, v('(', ')', end_of_file), ')')
   Exit: (221) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (220) [user] is_delimiter(')')
   Call: (220) [system] _1228050=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (219) [user] classify_and_convert_charseq([a], _1192540)
^  Call: (220) [user] classify_and_convert_charseq_([a], _1240140)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_1241092, _1241094), once(user:catch(read_from_chars([a], _1240140), _1241074, fail)), '$restore_trace'(_1241092, _1241094))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_1241092, _1241094))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1241074, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(a)
   Exit: (221) [system] atomic(a)
^  Exit: (220) [user] classify_and_convert_charseq_([a], a)
   Call: (220) [system] integer(a)
   Fail: (220) [system] integer(a)
   Call: (220) [system] _1192540=a
   Exit: (220) [system] a=a
^  Exit: (219) [user] classify_and_convert_charseq([a], a)
^  Exit: (218) [user] read_symbolic(')', (0x563acd73bee0), a, a)
^  Exit: (217) [user] cont_sexpr(')', (0x563acd73bee0), a)
^  Call: (217) [user] read_list(')', (0x563acd73bee0), _1253220)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _1255078)
   Exit: (219) [system] peek_char((0x563acd73bee0), ')')
   Call: (219) [system] ')'=(;)
   Fail: (219) [system] ')'=(;)
   Call: (219) [system] ')'=(/)
   Fail: (219) [system] ')'=(/)
^  Call: (219) [user] is_like_space(')')
   Call: (220) [system] char_type(')', 'white')
   Fail: (220) [system] char_type(')', 'white')
   Call: (220) [system] char_type(')', end_of_line)
   Fail: (220) [system] char_type(')', end_of_line)
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] char_type(')', cntrl)
   Fail: (220) [system] char_type(')', cntrl)
^  Fail: (219) [user] is_like_space(')')
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _1271088)
   Exit: (218) [system] peek_char((0x563acd73bee0), ')')
   Call: (218) [system] ')'=')'
   Exit: (218) [system] ')'=')'
   Call: (218) [system] get_char((0x563acd73bee0), _1274878)
   Exit: (218) [system] get_char((0x563acd73bee0), ')')
   Call: (218) [system] _1253220=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_list(')', (0x563acd73bee0), [])
   Call: (217) [system] _1155880=[a]
   Exit: (217) [system] [a]=[a]
^  Exit: (216) [user] read_list(')', (0x563acd73bee0), [a])
   Call: (216) [system] _1026952=[cde, a]
   Exit: (216) [system] [cde, a]=[cde, a]
^  Exit: (215) [user] read_list(')', (0x563acd73bee0), [cde, a])
   Call: (215) [system] _553196=['DisjunctionIntroduction', cde, a]
   Exit: (215) [system] ['DisjunctionIntroduction', cde, a]=['DisjunctionIntroduction', cde, a]
^  Exit: (214) [user] read_list(')', (0x563acd73bee0), ['DisjunctionIntroduction', cde, a])
^  Exit: (213) [user] cont_sexpr(')', (0x563acd73bee0), ['DisjunctionIntroduction', cde, a])
^  Call: (213) [user] read_list(')', (0x563acd73bee0), _1288760)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1290618)
   Exit: (215) [system] peek_char((0x563acd73bee0), ')')
   Call: (215) [system] ')'=(;)
   Fail: (215) [system] ')'=(;)
   Call: (215) [system] ')'=(/)
   Fail: (215) [system] ')'=(/)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Fail: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Fail: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
   Fail: (216) [system] char_type(')', cntrl)
^  Fail: (215) [user] is_like_space(')')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1306628)
   Exit: (214) [system] peek_char((0x563acd73bee0), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x563acd73bee0), _1310418)
   Exit: (214) [system] get_char((0x563acd73bee0), ')')
   Call: (214) [system] _1288760=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x563acd73bee0), [])
   Call: (213) [system] _516536=[['DisjunctionIntroduction', cde, a]]
   Exit: (213) [system] [['DisjunctionIntroduction', cde, a]]=[['DisjunctionIntroduction', cde, a]]
^  Exit: (212) [user] read_list(')', (0x563acd73bee0), [['DisjunctionIntroduction', cde, a]])
   Call: (212) [system] _387608=[abc, ['DisjunctionIntroduction', cde, a]]
   Exit: (212) [system] [abc, ['DisjunctionIntroduction', cde, a]]=[abc, ['DisjunctionIntroduction', cde, a]]
^  Exit: (211) [user] read_list(')', (0x563acd73bee0), [abc, ['DisjunctionIntroduction', cde, a]])
   Call: (211) [system] _5648=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]]
   Exit: (211) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]]
^  Exit: (210) [user] read_list(')', (0x563acd73bee0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]])
^  Exit: (209) [user] cont_sexpr(')', (0x563acd73bee0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]])
^  Call: (209) [user] read_list(')', (0x563acd73bee0), _1324300)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1326158)
   Exit: (211) [system] peek_char((0x563acd73bee0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x563acd73bee0), _1335752)
   Exit: (211) [system] get_char((0x563acd73bee0), ' ')
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1338456)
   Exit: (212) [system] peek_char((0x563acd73bee0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1355390)
   Exit: (210) [system] peek_char((0x563acd73bee0), '(')
   Call: (210) [system] '('=')'
   Fail: (210) [system] '('=')'
   Call: (210) [system] '('=end_of_file
   Fail: (210) [system] '('=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x563acd73bee0), _1360960)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1362818)
   Exit: (212) [system] peek_char((0x563acd73bee0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] get_char((0x563acd73bee0), _1378828)
   Exit: (211) [system] get_char((0x563acd73bee0), '(')
   Call: (211) [system] '('='('
   Exit: (211) [system] '('='('
^  Call: (211) [user] read_list(')', (0x563acd73bee0), _1360960)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1384398)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'O')
   Call: (213) [system] 'O'=(;)
   Fail: (213) [system] 'O'=(;)
   Call: (213) [system] 'O'=(/)
   Fail: (213) [system] 'O'=(/)
^  Call: (213) [user] is_like_space('O')
   Call: (214) [system] char_type('O', 'white')
   Fail: (214) [system] char_type('O', 'white')
   Call: (214) [system] char_type('O', end_of_line)
   Fail: (214) [system] char_type('O', end_of_line)
   Call: (214) [system] char_type('O', space)
   Fail: (214) [system] char_type('O', space)
   Call: (214) [system] char_type('O', cntrl)
   Fail: (214) [system] char_type('O', cntrl)
^  Fail: (213) [user] is_like_space('O')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1400408)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'O')
   Call: (212) [system] 'O'=')'
   Fail: (212) [system] 'O'=')'
   Call: (212) [system] 'O'=end_of_file
   Fail: (212) [system] 'O'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x563acd73bee0), _1405978)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1407836)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'O')
   Call: (214) [system] 'O'=(;)
   Fail: (214) [system] 'O'=(;)
   Call: (214) [system] 'O'=(/)
   Fail: (214) [system] 'O'=(/)
^  Call: (214) [user] is_like_space('O')
   Call: (215) [system] char_type('O', 'white')
   Fail: (215) [system] char_type('O', 'white')
   Call: (215) [system] char_type('O', end_of_line)
   Fail: (215) [system] char_type('O', end_of_line)
   Call: (215) [system] char_type('O', space)
   Fail: (215) [system] char_type('O', space)
   Call: (215) [system] char_type('O', cntrl)
   Fail: (215) [system] char_type('O', cntrl)
^  Fail: (214) [user] is_like_space('O')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] get_char((0x563acd73bee0), _1423846)
   Exit: (213) [system] get_char((0x563acd73bee0), 'O')
   Call: (213) [system] 'O'='('
   Fail: (213) [system] 'O'='('
   Call: (213) [system] 'O'='['
   Fail: (213) [system] 'O'='['
   Call: (213) [system] 'O'='{'
   Fail: (213) [system] 'O'='{'
   Call: (213) [system] 'O'='"'
   Fail: (213) [system] 'O'='"'
   Call: (213) [system] 'O'=!
   Fail: (213) [system] 'O'=!
   Call: (213) [system] 'O'='\''
   Fail: (213) [system] 'O'='\''
   Call: (213) [system] 'O'='`'
   Fail: (213) [system] 'O'='`'
   Call: (213) [system] 'O'=end_of_file
   Fail: (213) [system] 'O'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x563acd73bee0), 'O', _1405978)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _1441488)
   Call: (215) [system] peek_char((0x563acd73bee0), _1442422)
   Exit: (215) [system] peek_char((0x563acd73bee0), r)
^  Call: (215) [user] is_delimiter(r)
   Call: (216) [system] char_type(r, space)
   Fail: (216) [system] char_type(r, space)
   Call: (216) [system] arg(_1447142, v('(', ')', end_of_file), r)
   Fail: (216) [system] arg(_1448074, v('(', ')', end_of_file), r)
^  Fail: (215) [user] is_delimiter(r)
   Call: (215) [system] ')'==r
   Fail: (215) [system] ')'==r
   Call: (215) [system] get_char((0x563acd73bee0), r)
   Exit: (215) [system] get_char((0x563acd73bee0), r)
   Call: (215) [system] r=(\)
   Fail: (215) [system] r=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _1455424)
   Call: (216) [system] peek_char((0x563acd73bee0), _1456358)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (216) [user] is_delimiter('L')
   Call: (217) [system] char_type('L', space)
   Fail: (217) [system] char_type('L', space)
   Call: (217) [system] arg(_1461078, v('(', ')', end_of_file), 'L')
   Fail: (217) [system] arg(_1462010, v('(', ')', end_of_file), 'L')
^  Fail: (216) [user] is_delimiter('L')
   Call: (216) [system] ')'=='L'
   Fail: (216) [system] ')'=='L'
   Call: (216) [system] get_char((0x563acd73bee0), 'L')
   Exit: (216) [system] get_char((0x563acd73bee0), 'L')
   Call: (216) [system] 'L'=(\)
   Fail: (216) [system] 'L'=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _1469360)
   Call: (217) [system] peek_char((0x563acd73bee0), _1470294)
   Exit: (217) [system] peek_char((0x563acd73bee0), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_1475014, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_1475946, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x563acd73bee0), i)
   Exit: (217) [system] get_char((0x563acd73bee0), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _1483296)
   Call: (218) [system] peek_char((0x563acd73bee0), _1484230)
   Exit: (218) [system] peek_char((0x563acd73bee0), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_1488950, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_1489882, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x563acd73bee0), n)
   Exit: (218) [system] get_char((0x563acd73bee0), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _1497232)
   Call: (219) [system] peek_char((0x563acd73bee0), _1498166)
   Exit: (219) [system] peek_char((0x563acd73bee0), k)
^  Call: (219) [user] is_delimiter(k)
   Call: (220) [system] char_type(k, space)
   Fail: (220) [system] char_type(k, space)
   Call: (220) [system] arg(_1502886, v('(', ')', end_of_file), k)
   Fail: (220) [system] arg(_1503818, v('(', ')', end_of_file), k)
^  Fail: (219) [user] is_delimiter(k)
   Call: (219) [system] ')'==k
   Fail: (219) [system] ')'==k
   Call: (219) [system] get_char((0x563acd73bee0), k)
   Exit: (219) [system] get_char((0x563acd73bee0), k)
   Call: (219) [system] k=(\)
   Fail: (219) [system] k=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _1511168)
   Call: (220) [system] peek_char((0x563acd73bee0), _1512102)
   Exit: (220) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _1511168=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (219) [system] _1497232=[k]
   Exit: (219) [system] [k]=[k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (218) [system] _1483296=[n, k]
   Exit: (218) [system] [n, k]=[n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (217) [system] _1469360=[i, n, k]
   Exit: (217) [system] [i, n, k]=[i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (216) [system] _1455424=['L', i, n, k]
   Exit: (216) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (215) [system] _1441488=[r, 'L', i, n, k]
   Exit: (215) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (214) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1405978)
^  Call: (215) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1535356)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_1536308, _1536310), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1535356), _1536290, fail)), '$restore_trace'(_1536308, _1536310))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_1536308, _1536310))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1535356), _1536290, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_1535356)
   Fail: (216) [system] atomic(_1535356)
   Call: (216) [system] atom_chars(_1535356, ['O', r, 'L', i, n, k])
   Exit: (216) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (215) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (215) [system] integer('OrLink')
   Fail: (215) [system] integer('OrLink')
   Call: (215) [system] _1405978='OrLink'
   Exit: (215) [system] 'OrLink'='OrLink'
^  Exit: (214) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (213) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (212) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (212) [user] read_list(')', (0x563acd73bee0), _1550306)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1552164)
   Exit: (214) [system] peek_char((0x563acd73bee0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x563acd73bee0), _1561758)
   Exit: (214) [system] get_char((0x563acd73bee0), ' ')
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1564462)
   Exit: (215) [system] peek_char((0x563acd73bee0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1581396)
   Exit: (213) [system] peek_char((0x563acd73bee0), '(')
   Call: (213) [system] '('=')'
   Fail: (213) [system] '('=')'
   Call: (213) [system] '('=end_of_file
   Fail: (213) [system] '('=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x563acd73bee0), _1586966)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1588824)
   Exit: (215) [system] peek_char((0x563acd73bee0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
   Call: (215) [system] '('=(/)
   Fail: (215) [system] '('=(/)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] get_char((0x563acd73bee0), _1604834)
   Exit: (214) [system] get_char((0x563acd73bee0), '(')
   Call: (214) [system] '('='('
   Exit: (214) [system] '('='('
^  Call: (214) [user] read_list(')', (0x563acd73bee0), _1586966)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1610404)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'I')
   Call: (216) [system] 'I'=(;)
   Fail: (216) [system] 'I'=(;)
   Call: (216) [system] 'I'=(/)
   Fail: (216) [system] 'I'=(/)
^  Call: (216) [user] is_like_space('I')
   Call: (217) [system] char_type('I', 'white')
   Fail: (217) [system] char_type('I', 'white')
   Call: (217) [system] char_type('I', end_of_line)
   Fail: (217) [system] char_type('I', end_of_line)
   Call: (217) [system] char_type('I', space)
   Fail: (217) [system] char_type('I', space)
   Call: (217) [system] char_type('I', cntrl)
   Fail: (217) [system] char_type('I', cntrl)
^  Fail: (216) [user] is_like_space('I')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1626414)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'I')
   Call: (215) [system] 'I'=')'
   Fail: (215) [system] 'I'=')'
   Call: (215) [system] 'I'=end_of_file
   Fail: (215) [system] 'I'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x563acd73bee0), _1631984)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1633842)
   Exit: (217) [system] peek_char((0x563acd73bee0), 'I')
   Call: (217) [system] 'I'=(;)
   Fail: (217) [system] 'I'=(;)
   Call: (217) [system] 'I'=(/)
   Fail: (217) [system] 'I'=(/)
^  Call: (217) [user] is_like_space('I')
   Call: (218) [system] char_type('I', 'white')
   Fail: (218) [system] char_type('I', 'white')
   Call: (218) [system] char_type('I', end_of_line)
   Fail: (218) [system] char_type('I', end_of_line)
   Call: (218) [system] char_type('I', space)
   Fail: (218) [system] char_type('I', space)
   Call: (218) [system] char_type('I', cntrl)
   Fail: (218) [system] char_type('I', cntrl)
^  Fail: (217) [user] is_like_space('I')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] get_char((0x563acd73bee0), _1649852)
   Exit: (216) [system] get_char((0x563acd73bee0), 'I')
   Call: (216) [system] 'I'='('
   Fail: (216) [system] 'I'='('
   Call: (216) [system] 'I'='['
   Fail: (216) [system] 'I'='['
   Call: (216) [system] 'I'='{'
   Fail: (216) [system] 'I'='{'
   Call: (216) [system] 'I'='"'
   Fail: (216) [system] 'I'='"'
   Call: (216) [system] 'I'=!
   Fail: (216) [system] 'I'=!
   Call: (216) [system] 'I'='\''
   Fail: (216) [system] 'I'='\''
   Call: (216) [system] 'I'='`'
   Fail: (216) [system] 'I'='`'
   Call: (216) [system] 'I'=end_of_file
   Fail: (216) [system] 'I'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x563acd73bee0), 'I', _1631984)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _1667494)
   Call: (218) [system] peek_char((0x563acd73bee0), _1668428)
   Exit: (218) [system] peek_char((0x563acd73bee0), m)
^  Call: (218) [user] is_delimiter(m)
   Call: (219) [system] char_type(m, space)
   Fail: (219) [system] char_type(m, space)
   Call: (219) [system] arg(_1673148, v('(', ')', end_of_file), m)
   Fail: (219) [system] arg(_1674080, v('(', ')', end_of_file), m)
^  Fail: (218) [user] is_delimiter(m)
   Call: (218) [system] ')'==m
   Fail: (218) [system] ')'==m
   Call: (218) [system] get_char((0x563acd73bee0), m)
   Exit: (218) [system] get_char((0x563acd73bee0), m)
   Call: (218) [system] m=(\)
   Fail: (218) [system] m=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _1681430)
   Call: (219) [system] peek_char((0x563acd73bee0), _1682364)
   Exit: (219) [system] peek_char((0x563acd73bee0), p)
^  Call: (219) [user] is_delimiter(p)
   Call: (220) [system] char_type(p, space)
   Fail: (220) [system] char_type(p, space)
   Call: (220) [system] arg(_1687084, v('(', ')', end_of_file), p)
   Fail: (220) [system] arg(_1688016, v('(', ')', end_of_file), p)
^  Fail: (219) [user] is_delimiter(p)
   Call: (219) [system] ')'==p
   Fail: (219) [system] ')'==p
   Call: (219) [system] get_char((0x563acd73bee0), p)
   Exit: (219) [system] get_char((0x563acd73bee0), p)
   Call: (219) [system] p=(\)
   Fail: (219) [system] p=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _1695366)
   Call: (220) [system] peek_char((0x563acd73bee0), _1696300)
   Exit: (220) [system] peek_char((0x563acd73bee0), l)
^  Call: (220) [user] is_delimiter(l)
   Call: (221) [system] char_type(l, space)
   Fail: (221) [system] char_type(l, space)
   Call: (221) [system] arg(_1701020, v('(', ')', end_of_file), l)
   Fail: (221) [system] arg(_1701952, v('(', ')', end_of_file), l)
^  Fail: (220) [user] is_delimiter(l)
   Call: (220) [system] ')'==l
   Fail: (220) [system] ')'==l
   Call: (220) [system] get_char((0x563acd73bee0), l)
   Exit: (220) [system] get_char((0x563acd73bee0), l)
   Call: (220) [system] l=(\)
   Fail: (220) [system] l=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _1709302)
   Call: (221) [system] peek_char((0x563acd73bee0), _1710236)
   Exit: (221) [system] peek_char((0x563acd73bee0), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_1714956, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_1715888, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x563acd73bee0), i)
   Exit: (221) [system] get_char((0x563acd73bee0), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _1723238)
   Call: (222) [system] peek_char((0x563acd73bee0), _1724172)
   Exit: (222) [system] peek_char((0x563acd73bee0), c)
^  Call: (222) [user] is_delimiter(c)
   Call: (223) [system] char_type(c, space)
   Fail: (223) [system] char_type(c, space)
   Call: (223) [system] arg(_1728892, v('(', ')', end_of_file), c)
   Fail: (223) [system] arg(_1729824, v('(', ')', end_of_file), c)
^  Fail: (222) [user] is_delimiter(c)
   Call: (222) [system] ')'==c
   Fail: (222) [system] ')'==c
   Call: (222) [system] get_char((0x563acd73bee0), c)
   Exit: (222) [system] get_char((0x563acd73bee0), c)
   Call: (222) [system] c=(\)
   Fail: (222) [system] c=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _1737174)
   Call: (223) [system] peek_char((0x563acd73bee0), _1738108)
   Exit: (223) [system] peek_char((0x563acd73bee0), a)
^  Call: (223) [user] is_delimiter(a)
   Call: (224) [system] char_type(a, space)
   Fail: (224) [system] char_type(a, space)
   Call: (224) [system] arg(_1742828, v('(', ')', end_of_file), a)
   Fail: (224) [system] arg(_1743760, v('(', ')', end_of_file), a)
^  Fail: (223) [user] is_delimiter(a)
   Call: (223) [system] ')'==a
   Fail: (223) [system] ')'==a
   Call: (223) [system] get_char((0x563acd73bee0), a)
   Exit: (223) [system] get_char((0x563acd73bee0), a)
   Call: (223) [system] a=(\)
   Fail: (223) [system] a=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _1751110)
   Call: (224) [system] peek_char((0x563acd73bee0), _1752044)
   Exit: (224) [system] peek_char((0x563acd73bee0), t)
^  Call: (224) [user] is_delimiter(t)
   Call: (225) [system] char_type(t, space)
   Fail: (225) [system] char_type(t, space)
   Call: (225) [system] arg(_1756764, v('(', ')', end_of_file), t)
   Fail: (225) [system] arg(_1757696, v('(', ')', end_of_file), t)
^  Fail: (224) [user] is_delimiter(t)
   Call: (224) [system] ')'==t
   Fail: (224) [system] ')'==t
   Call: (224) [system] get_char((0x563acd73bee0), t)
   Exit: (224) [system] get_char((0x563acd73bee0), t)
   Call: (224) [system] t=(\)
   Fail: (224) [system] t=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _1765046)
   Call: (225) [system] peek_char((0x563acd73bee0), _1765980)
   Exit: (225) [system] peek_char((0x563acd73bee0), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_1770700, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_1771632, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x563acd73bee0), i)
   Exit: (225) [system] get_char((0x563acd73bee0), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _1778982)
   Call: (226) [system] peek_char((0x563acd73bee0), _1779916)
   Exit: (226) [system] peek_char((0x563acd73bee0), o)
^  Call: (226) [user] is_delimiter(o)
   Call: (227) [system] char_type(o, space)
   Fail: (227) [system] char_type(o, space)
   Call: (227) [system] arg(_1784636, v('(', ')', end_of_file), o)
   Fail: (227) [system] arg(_1785568, v('(', ')', end_of_file), o)
^  Fail: (226) [user] is_delimiter(o)
   Call: (226) [system] ')'==o
   Fail: (226) [system] ')'==o
   Call: (226) [system] get_char((0x563acd73bee0), o)
   Exit: (226) [system] get_char((0x563acd73bee0), o)
   Call: (226) [system] o=(\)
   Fail: (226) [system] o=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _1792918)
   Call: (227) [system] peek_char((0x563acd73bee0), _1793852)
   Exit: (227) [system] peek_char((0x563acd73bee0), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_1798572, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_1799504, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x563acd73bee0), n)
   Exit: (227) [system] get_char((0x563acd73bee0), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _1806854)
   Call: (228) [system] peek_char((0x563acd73bee0), _1807788)
   Exit: (228) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _1806854=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (227) [system] _1792918=[n]
   Exit: (227) [system] [n]=[n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (226) [system] _1778982=[o, n]
   Exit: (226) [system] [o, n]=[o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (225) [system] _1765046=[i, o, n]
   Exit: (225) [system] [i, o, n]=[i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (224) [system] _1751110=[t, i, o, n]
   Exit: (224) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (223) [system] _1737174=[a, t, i, o, n]
   Exit: (223) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (222) [system] _1723238=[c, a, t, i, o, n]
   Exit: (222) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (221) [system] _1709302=[i, c, a, t, i, o, n]
   Exit: (221) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (220) [system] _1695366=[l, i, c, a, t, i, o, n]
   Exit: (220) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (219) [system] _1681430=[p, l, i, c, a, t, i, o, n]
   Exit: (219) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (218) [system] _1667494=[m, p, l, i, c, a, t, i, o, n]
   Exit: (218) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (217) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1631984)
^  Call: (218) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1845012)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_1845964, _1845966), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1845012), _1845946, fail)), '$restore_trace'(_1845964, _1845966))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_1845964, _1845966))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1845012), _1845946, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_1845012)
   Fail: (219) [system] atomic(_1845012)
   Call: (219) [system] atom_chars(_1845012, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (219) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (218) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (218) [system] integer('Implication')
   Fail: (218) [system] integer('Implication')
   Call: (218) [system] _1631984='Implication'
   Exit: (218) [system] 'Implication'='Implication'
^  Exit: (217) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (216) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (215) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (215) [user] read_list(')', (0x563acd73bee0), _1859962)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1861820)
   Exit: (217) [system] peek_char((0x563acd73bee0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x563acd73bee0), _1871414)
   Exit: (217) [system] get_char((0x563acd73bee0), ' ')
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _1874118)
   Exit: (218) [system] peek_char((0x563acd73bee0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1891052)
   Exit: (216) [system] peek_char((0x563acd73bee0), '(')
   Call: (216) [system] '('=')'
   Fail: (216) [system] '('=')'
   Call: (216) [system] '('=end_of_file
   Fail: (216) [system] '('=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x563acd73bee0), _1896622)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _1898480)
   Exit: (218) [system] peek_char((0x563acd73bee0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] get_char((0x563acd73bee0), _1914490)
   Exit: (217) [system] get_char((0x563acd73bee0), '(')
   Call: (217) [system] '('='('
   Exit: (217) [system] '('='('
^  Call: (217) [user] read_list(')', (0x563acd73bee0), _1896622)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _1920060)
   Exit: (219) [system] peek_char((0x563acd73bee0), 'A')
   Call: (219) [system] 'A'=(;)
   Fail: (219) [system] 'A'=(;)
   Call: (219) [system] 'A'=(/)
   Fail: (219) [system] 'A'=(/)
^  Call: (219) [user] is_like_space('A')
   Call: (220) [system] char_type('A', 'white')
   Fail: (220) [system] char_type('A', 'white')
   Call: (220) [system] char_type('A', end_of_line)
   Fail: (220) [system] char_type('A', end_of_line)
   Call: (220) [system] char_type('A', space)
   Fail: (220) [system] char_type('A', space)
   Call: (220) [system] char_type('A', cntrl)
   Fail: (220) [system] char_type('A', cntrl)
^  Fail: (219) [user] is_like_space('A')
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _1936070)
   Exit: (218) [system] peek_char((0x563acd73bee0), 'A')
   Call: (218) [system] 'A'=')'
   Fail: (218) [system] 'A'=')'
   Call: (218) [system] 'A'=end_of_file
   Fail: (218) [system] 'A'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x563acd73bee0), _1941640)
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _1943498)
   Exit: (220) [system] peek_char((0x563acd73bee0), 'A')
   Call: (220) [system] 'A'=(;)
   Fail: (220) [system] 'A'=(;)
   Call: (220) [system] 'A'=(/)
   Fail: (220) [system] 'A'=(/)
^  Call: (220) [user] is_like_space('A')
   Call: (221) [system] char_type('A', 'white')
   Fail: (221) [system] char_type('A', 'white')
   Call: (221) [system] char_type('A', end_of_line)
   Fail: (221) [system] char_type('A', end_of_line)
   Call: (221) [system] char_type('A', space)
   Fail: (221) [system] char_type('A', space)
   Call: (221) [system] char_type('A', cntrl)
   Fail: (221) [system] char_type('A', cntrl)
^  Fail: (220) [user] is_like_space('A')
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] get_char((0x563acd73bee0), _1959508)
   Exit: (219) [system] get_char((0x563acd73bee0), 'A')
   Call: (219) [system] 'A'='('
   Fail: (219) [system] 'A'='('
   Call: (219) [system] 'A'='['
   Fail: (219) [system] 'A'='['
   Call: (219) [system] 'A'='{'
   Fail: (219) [system] 'A'='{'
   Call: (219) [system] 'A'='"'
   Fail: (219) [system] 'A'='"'
   Call: (219) [system] 'A'=!
   Fail: (219) [system] 'A'=!
   Call: (219) [system] 'A'='\''
   Fail: (219) [system] 'A'='\''
   Call: (219) [system] 'A'='`'
   Fail: (219) [system] 'A'='`'
   Call: (219) [system] 'A'=end_of_file
   Fail: (219) [system] 'A'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x563acd73bee0), 'A', _1941640)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _1977150)
   Call: (221) [system] peek_char((0x563acd73bee0), _1978084)
   Exit: (221) [system] peek_char((0x563acd73bee0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_1982804, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_1983736, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x563acd73bee0), n)
   Exit: (221) [system] get_char((0x563acd73bee0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _1991086)
   Call: (222) [system] peek_char((0x563acd73bee0), _1992020)
   Exit: (222) [system] peek_char((0x563acd73bee0), d)
^  Call: (222) [user] is_delimiter(d)
   Call: (223) [system] char_type(d, space)
   Fail: (223) [system] char_type(d, space)
   Call: (223) [system] arg(_1996740, v('(', ')', end_of_file), d)
   Fail: (223) [system] arg(_1997672, v('(', ')', end_of_file), d)
^  Fail: (222) [user] is_delimiter(d)
   Call: (222) [system] ')'==d
   Fail: (222) [system] ')'==d
   Call: (222) [system] get_char((0x563acd73bee0), d)
   Exit: (222) [system] get_char((0x563acd73bee0), d)
   Call: (222) [system] d=(\)
   Fail: (222) [system] d=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _2005022)
   Call: (223) [system] peek_char((0x563acd73bee0), _2005956)
   Exit: (223) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (223) [user] is_delimiter('L')
   Call: (224) [system] char_type('L', space)
   Fail: (224) [system] char_type('L', space)
   Call: (224) [system] arg(_2010676, v('(', ')', end_of_file), 'L')
   Fail: (224) [system] arg(_2011608, v('(', ')', end_of_file), 'L')
^  Fail: (223) [user] is_delimiter('L')
   Call: (223) [system] ')'=='L'
   Fail: (223) [system] ')'=='L'
   Call: (223) [system] get_char((0x563acd73bee0), 'L')
   Exit: (223) [system] get_char((0x563acd73bee0), 'L')
   Call: (223) [system] 'L'=(\)
   Fail: (223) [system] 'L'=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _2018958)
   Call: (224) [system] peek_char((0x563acd73bee0), _2019892)
   Exit: (224) [system] peek_char((0x563acd73bee0), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Fail: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_2024612, v('(', ')', end_of_file), i)
   Fail: (225) [system] arg(_2025544, v('(', ')', end_of_file), i)
^  Fail: (224) [user] is_delimiter(i)
   Call: (224) [system] ')'==i
   Fail: (224) [system] ')'==i
   Call: (224) [system] get_char((0x563acd73bee0), i)
   Exit: (224) [system] get_char((0x563acd73bee0), i)
   Call: (224) [system] i=(\)
   Fail: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _2032894)
   Call: (225) [system] peek_char((0x563acd73bee0), _2033828)
   Exit: (225) [system] peek_char((0x563acd73bee0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_2038548, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_2039480, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x563acd73bee0), n)
   Exit: (225) [system] get_char((0x563acd73bee0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _2046830)
   Call: (226) [system] peek_char((0x563acd73bee0), _2047764)
   Exit: (226) [system] peek_char((0x563acd73bee0), k)
^  Call: (226) [user] is_delimiter(k)
   Call: (227) [system] char_type(k, space)
   Fail: (227) [system] char_type(k, space)
   Call: (227) [system] arg(_2052484, v('(', ')', end_of_file), k)
   Fail: (227) [system] arg(_2053416, v('(', ')', end_of_file), k)
^  Fail: (226) [user] is_delimiter(k)
   Call: (226) [system] ')'==k
   Fail: (226) [system] ')'==k
   Call: (226) [system] get_char((0x563acd73bee0), k)
   Exit: (226) [system] get_char((0x563acd73bee0), k)
   Call: (226) [system] k=(\)
   Fail: (226) [system] k=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _2060766)
   Call: (227) [system] peek_char((0x563acd73bee0), _2061700)
   Exit: (227) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _2060766=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (226) [system] _2046830=[k]
   Exit: (226) [system] [k]=[k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (225) [system] _2032894=[n, k]
   Exit: (225) [system] [n, k]=[n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (224) [system] _2018958=[i, n, k]
   Exit: (224) [system] [i, n, k]=[i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (223) [system] _2005022=['L', i, n, k]
   Exit: (223) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (222) [system] _1991086=[d, 'L', i, n, k]
   Exit: (222) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, 'L', i, n, k])
   Call: (221) [system] _1977150=[n, d, 'L', i, n, k]
   Exit: (221) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, d, 'L', i, n, k])
^  Call: (220) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1941640)
^  Call: (221) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _2087748)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_2088700, _2088702), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _2087748), _2088682, fail)), '$restore_trace'(_2088700, _2088702))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_2088700, _2088702))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _2087748), _2088682, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_2087748)
   Fail: (222) [system] atomic(_2087748)
   Call: (222) [system] atom_chars(_2087748, ['A', n, d, 'L', i, n, k])
   Exit: (222) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (221) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (221) [system] integer('AndLink')
   Fail: (221) [system] integer('AndLink')
   Call: (221) [system] _5720='AndLink'
   Exit: (221) [system] 'AndLink'='AndLink'
^  Exit: (220) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (219) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'AndLink')
^  Exit: (218) [user] cont_sexpr(')', (0x563acd73bee0), 'AndLink')
^  Call: (218) [user] read_list(')', (0x563acd73bee0), _11696)
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _13554)
   Exit: (220) [system] peek_char((0x563acd73bee0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x563acd73bee0), _23148)
   Exit: (220) [system] get_char((0x563acd73bee0), ' ')
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _25852)
   Exit: (221) [system] peek_char((0x563acd73bee0), 'A')
   Call: (221) [system] 'A'=(;)
   Fail: (221) [system] 'A'=(;)
   Call: (221) [system] 'A'=(/)
   Fail: (221) [system] 'A'=(/)
^  Call: (221) [user] is_like_space('A')
   Call: (222) [system] char_type('A', 'white')
   Fail: (222) [system] char_type('A', 'white')
   Call: (222) [system] char_type('A', end_of_line)
   Fail: (222) [system] char_type('A', end_of_line)
   Call: (222) [system] char_type('A', space)
   Fail: (222) [system] char_type('A', space)
   Call: (222) [system] char_type('A', cntrl)
   Fail: (222) [system] char_type('A', cntrl)
^  Fail: (221) [user] is_like_space('A')
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _42786)
   Exit: (219) [system] peek_char((0x563acd73bee0), 'A')
   Call: (219) [system] 'A'=')'
   Fail: (219) [system] 'A'=')'
   Call: (219) [system] 'A'=end_of_file
   Fail: (219) [system] 'A'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x563acd73bee0), _48356)
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _50214)
   Exit: (221) [system] peek_char((0x563acd73bee0), 'A')
   Call: (221) [system] 'A'=(;)
   Fail: (221) [system] 'A'=(;)
   Call: (221) [system] 'A'=(/)
   Fail: (221) [system] 'A'=(/)
^  Call: (221) [user] is_like_space('A')
   Call: (222) [system] char_type('A', 'white')
   Fail: (222) [system] char_type('A', 'white')
   Call: (222) [system] char_type('A', end_of_line)
   Fail: (222) [system] char_type('A', end_of_line)
   Call: (222) [system] char_type('A', space)
   Fail: (222) [system] char_type('A', space)
   Call: (222) [system] char_type('A', cntrl)
   Fail: (222) [system] char_type('A', cntrl)
^  Fail: (221) [user] is_like_space('A')
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] get_char((0x563acd73bee0), _66224)
   Exit: (220) [system] get_char((0x563acd73bee0), 'A')
   Call: (220) [system] 'A'='('
   Fail: (220) [system] 'A'='('
   Call: (220) [system] 'A'='['
   Fail: (220) [system] 'A'='['
   Call: (220) [system] 'A'='{'
   Fail: (220) [system] 'A'='{'
   Call: (220) [system] 'A'='"'
   Fail: (220) [system] 'A'='"'
   Call: (220) [system] 'A'=!
   Fail: (220) [system] 'A'=!
   Call: (220) [system] 'A'='\''
   Fail: (220) [system] 'A'='\''
   Call: (220) [system] 'A'='`'
   Fail: (220) [system] 'A'='`'
   Call: (220) [system] 'A'=end_of_file
   Fail: (220) [system] 'A'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x563acd73bee0), 'A', _48356)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _83866)
   Call: (222) [system] peek_char((0x563acd73bee0), _84800)
   Exit: (222) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _83866=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (221) [user] classify_and_convert_charseq(['A'], _48356)
^  Call: (222) [user] classify_and_convert_charseq_(['A'], _94084)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_95036, _95038), once(user:catch(read_from_chars(['A'], _94084), _95018, fail)), '$restore_trace'(_95036, _95038))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_95036, _95038))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _94084), _95018, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_94084)
   Fail: (223) [system] atomic(_94084)
   Call: (223) [system] atom_chars(_94084, ['A'])
   Exit: (223) [system] atom_chars('A', ['A'])
^  Exit: (222) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (222) [system] integer('A')
   Fail: (222) [system] integer('A')
   Call: (222) [system] _48356='A'
   Exit: (222) [system] 'A'='A'
^  Exit: (221) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (220) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (219) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (219) [user] read_list(')', (0x563acd73bee0), _109034)
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _110892)
   Exit: (221) [system] peek_char((0x563acd73bee0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x563acd73bee0), _120486)
   Exit: (221) [system] get_char((0x563acd73bee0), ' ')
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _123190)
   Exit: (222) [system] peek_char((0x563acd73bee0), 'B')
   Call: (222) [system] 'B'=(;)
   Fail: (222) [system] 'B'=(;)
   Call: (222) [system] 'B'=(/)
   Fail: (222) [system] 'B'=(/)
^  Call: (222) [user] is_like_space('B')
   Call: (223) [system] char_type('B', 'white')
   Fail: (223) [system] char_type('B', 'white')
   Call: (223) [system] char_type('B', end_of_line)
   Fail: (223) [system] char_type('B', end_of_line)
   Call: (223) [system] char_type('B', space)
   Fail: (223) [system] char_type('B', space)
   Call: (223) [system] char_type('B', cntrl)
   Fail: (223) [system] char_type('B', cntrl)
^  Fail: (222) [user] is_like_space('B')
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _140124)
   Exit: (220) [system] peek_char((0x563acd73bee0), 'B')
   Call: (220) [system] 'B'=')'
   Fail: (220) [system] 'B'=')'
   Call: (220) [system] 'B'=end_of_file
   Fail: (220) [system] 'B'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x563acd73bee0), _145694)
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _147552)
   Exit: (222) [system] peek_char((0x563acd73bee0), 'B')
   Call: (222) [system] 'B'=(;)
   Fail: (222) [system] 'B'=(;)
   Call: (222) [system] 'B'=(/)
   Fail: (222) [system] 'B'=(/)
^  Call: (222) [user] is_like_space('B')
   Call: (223) [system] char_type('B', 'white')
   Fail: (223) [system] char_type('B', 'white')
   Call: (223) [system] char_type('B', end_of_line)
   Fail: (223) [system] char_type('B', end_of_line)
   Call: (223) [system] char_type('B', space)
   Fail: (223) [system] char_type('B', space)
   Call: (223) [system] char_type('B', cntrl)
   Fail: (223) [system] char_type('B', cntrl)
^  Fail: (222) [user] is_like_space('B')
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] get_char((0x563acd73bee0), _163562)
   Exit: (221) [system] get_char((0x563acd73bee0), 'B')
   Call: (221) [system] 'B'='('
   Fail: (221) [system] 'B'='('
   Call: (221) [system] 'B'='['
   Fail: (221) [system] 'B'='['
   Call: (221) [system] 'B'='{'
   Fail: (221) [system] 'B'='{'
   Call: (221) [system] 'B'='"'
   Fail: (221) [system] 'B'='"'
   Call: (221) [system] 'B'=!
   Fail: (221) [system] 'B'=!
   Call: (221) [system] 'B'='\''
   Fail: (221) [system] 'B'='\''
   Call: (221) [system] 'B'='`'
   Fail: (221) [system] 'B'='`'
   Call: (221) [system] 'B'=end_of_file
   Fail: (221) [system] 'B'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x563acd73bee0), 'B', _145694)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _181204)
   Call: (223) [system] peek_char((0x563acd73bee0), _182138)
   Exit: (223) [system] peek_char((0x563acd73bee0), ')')
^  Call: (223) [user] is_delimiter(')')
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] arg(_186858, v('(', ')', end_of_file), ')')
   Exit: (224) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (223) [user] is_delimiter(')')
   Call: (223) [system] _181204=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (222) [user] classify_and_convert_charseq(['B'], _145694)
^  Call: (223) [user] classify_and_convert_charseq_(['B'], _193294)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_194246, _194248), once(user:catch(read_from_chars(['B'], _193294), _194228, fail)), '$restore_trace'(_194246, _194248))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_194246, _194248))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _193294), _194228, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_193294)
   Fail: (224) [system] atomic(_193294)
   Call: (224) [system] atom_chars(_193294, ['B'])
   Exit: (224) [system] atom_chars('B', ['B'])
^  Exit: (223) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (223) [system] integer('B')
   Fail: (223) [system] integer('B')
   Call: (223) [system] _145694='B'
   Exit: (223) [system] 'B'='B'
^  Exit: (222) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (221) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (220) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (220) [user] read_list(')', (0x563acd73bee0), _208244)
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _210102)
   Exit: (222) [system] peek_char((0x563acd73bee0), ')')
   Call: (222) [system] ')'=(;)
   Fail: (222) [system] ')'=(;)
   Call: (222) [system] ')'=(/)
   Fail: (222) [system] ')'=(/)
^  Call: (222) [user] is_like_space(')')
   Call: (223) [system] char_type(')', 'white')
   Fail: (223) [system] char_type(')', 'white')
   Call: (223) [system] char_type(')', end_of_line)
   Fail: (223) [system] char_type(')', end_of_line)
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] char_type(')', cntrl)
   Fail: (223) [system] char_type(')', cntrl)
^  Fail: (222) [user] is_like_space(')')
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _226112)
   Exit: (221) [system] peek_char((0x563acd73bee0), ')')
   Call: (221) [system] ')'=')'
   Exit: (221) [system] ')'=')'
   Call: (221) [system] get_char((0x563acd73bee0), _229902)
   Exit: (221) [system] get_char((0x563acd73bee0), ')')
   Call: (221) [system] _208244=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_list(')', (0x563acd73bee0), [])
   Call: (220) [system] _109034=['B']
   Exit: (220) [system] ['B']=['B']
^  Exit: (219) [user] read_list(')', (0x563acd73bee0), ['B'])
   Call: (219) [system] _11696=['A', 'B']
   Exit: (219) [system] ['A', 'B']=['A', 'B']
^  Exit: (218) [user] read_list(')', (0x563acd73bee0), ['A', 'B'])
   Call: (218) [system] _5714=['AndLink', 'A', 'B']
   Exit: (218) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (217) [user] read_list(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Exit: (216) [user] cont_sexpr(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Call: (216) [user] read_list(')', (0x563acd73bee0), _243784)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _245642)
   Exit: (218) [system] peek_char((0x563acd73bee0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x563acd73bee0), _255236)
   Exit: (218) [system] get_char((0x563acd73bee0), ' ')
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _257940)
   Exit: (219) [system] peek_char((0x563acd73bee0), 'C')
   Call: (219) [system] 'C'=(;)
   Fail: (219) [system] 'C'=(;)
   Call: (219) [system] 'C'=(/)
   Fail: (219) [system] 'C'=(/)
^  Call: (219) [user] is_like_space('C')
   Call: (220) [system] char_type('C', 'white')
   Fail: (220) [system] char_type('C', 'white')
   Call: (220) [system] char_type('C', end_of_line)
   Fail: (220) [system] char_type('C', end_of_line)
   Call: (220) [system] char_type('C', space)
   Fail: (220) [system] char_type('C', space)
   Call: (220) [system] char_type('C', cntrl)
   Fail: (220) [system] char_type('C', cntrl)
^  Fail: (219) [user] is_like_space('C')
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _274874)
   Exit: (217) [system] peek_char((0x563acd73bee0), 'C')
   Call: (217) [system] 'C'=')'
   Fail: (217) [system] 'C'=')'
   Call: (217) [system] 'C'=end_of_file
   Fail: (217) [system] 'C'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x563acd73bee0), _280444)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _282302)
   Exit: (219) [system] peek_char((0x563acd73bee0), 'C')
   Call: (219) [system] 'C'=(;)
   Fail: (219) [system] 'C'=(;)
   Call: (219) [system] 'C'=(/)
   Fail: (219) [system] 'C'=(/)
^  Call: (219) [user] is_like_space('C')
   Call: (220) [system] char_type('C', 'white')
   Fail: (220) [system] char_type('C', 'white')
   Call: (220) [system] char_type('C', end_of_line)
   Fail: (220) [system] char_type('C', end_of_line)
   Call: (220) [system] char_type('C', space)
   Fail: (220) [system] char_type('C', space)
   Call: (220) [system] char_type('C', cntrl)
   Fail: (220) [system] char_type('C', cntrl)
^  Fail: (219) [user] is_like_space('C')
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] get_char((0x563acd73bee0), _298312)
   Exit: (218) [system] get_char((0x563acd73bee0), 'C')
   Call: (218) [system] 'C'='('
   Fail: (218) [system] 'C'='('
   Call: (218) [system] 'C'='['
   Fail: (218) [system] 'C'='['
   Call: (218) [system] 'C'='{'
   Fail: (218) [system] 'C'='{'
   Call: (218) [system] 'C'='"'
   Fail: (218) [system] 'C'='"'
   Call: (218) [system] 'C'=!
   Fail: (218) [system] 'C'=!
   Call: (218) [system] 'C'='\''
   Fail: (218) [system] 'C'='\''
   Call: (218) [system] 'C'='`'
   Fail: (218) [system] 'C'='`'
   Call: (218) [system] 'C'=end_of_file
   Fail: (218) [system] 'C'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x563acd73bee0), 'C', _280444)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _315954)
   Call: (220) [system] peek_char((0x563acd73bee0), _316888)
   Exit: (220) [system] peek_char((0x563acd73bee0), ')')
^  Call: (220) [user] is_delimiter(')')
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] arg(_321608, v('(', ')', end_of_file), ')')
   Exit: (221) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (220) [user] is_delimiter(')')
   Call: (220) [system] _315954=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (219) [user] classify_and_convert_charseq(['C'], _280444)
^  Call: (220) [user] classify_and_convert_charseq_(['C'], _328044)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_328996, _328998), once(user:catch(read_from_chars(['C'], _328044), _328978, fail)), '$restore_trace'(_328996, _328998))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_328996, _328998))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _328044), _328978, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_328044)
   Fail: (221) [system] atomic(_328044)
   Call: (221) [system] atom_chars(_328044, ['C'])
   Exit: (221) [system] atom_chars('C', ['C'])
^  Exit: (220) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (220) [system] integer('C')
   Fail: (220) [system] integer('C')
   Call: (220) [system] _280444='C'
   Exit: (220) [system] 'C'='C'
^  Exit: (219) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (218) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (217) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (217) [user] read_list(')', (0x563acd73bee0), _342994)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _344852)
   Exit: (219) [system] peek_char((0x563acd73bee0), ')')
   Call: (219) [system] ')'=(;)
   Fail: (219) [system] ')'=(;)
   Call: (219) [system] ')'=(/)
   Fail: (219) [system] ')'=(/)
^  Call: (219) [user] is_like_space(')')
   Call: (220) [system] char_type(')', 'white')
   Fail: (220) [system] char_type(')', 'white')
   Call: (220) [system] char_type(')', end_of_line)
   Fail: (220) [system] char_type(')', end_of_line)
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] char_type(')', cntrl)
   Fail: (220) [system] char_type(')', cntrl)
^  Fail: (219) [user] is_like_space(')')
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _360862)
   Exit: (218) [system] peek_char((0x563acd73bee0), ')')
   Call: (218) [system] ')'=')'
   Exit: (218) [system] ')'=')'
   Call: (218) [system] get_char((0x563acd73bee0), _364652)
   Exit: (218) [system] get_char((0x563acd73bee0), ')')
   Call: (218) [system] _342994=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_list(')', (0x563acd73bee0), [])
   Call: (217) [system] _243784=['C']
   Exit: (217) [system] ['C']=['C']
^  Exit: (216) [user] read_list(')', (0x563acd73bee0), ['C'])
   Call: (216) [system] _5710=[['AndLink', 'A', 'B'], 'C']
   Exit: (216) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (215) [user] read_list(')', (0x563acd73bee0), [['AndLink', 'A', 'B'], 'C'])
   Call: (215) [system] _5702=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (215) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (214) [user] read_list(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (213) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (213) [user] read_list(')', (0x563acd73bee0), _378534)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _380392)
   Exit: (215) [system] peek_char((0x563acd73bee0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x563acd73bee0), _389986)
   Exit: (215) [system] get_char((0x563acd73bee0), ' ')
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _392690)
   Exit: (216) [system] peek_char((0x563acd73bee0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _409624)
   Exit: (214) [system] peek_char((0x563acd73bee0), '(')
   Call: (214) [system] '('=')'
   Fail: (214) [system] '('=')'
   Call: (214) [system] '('=end_of_file
   Fail: (214) [system] '('=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x563acd73bee0), _415194)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _417052)
   Exit: (216) [system] peek_char((0x563acd73bee0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] get_char((0x563acd73bee0), _433062)
   Exit: (215) [system] get_char((0x563acd73bee0), '(')
   Call: (215) [system] '('='('
   Exit: (215) [system] '('='('
^  Call: (215) [user] read_list(')', (0x563acd73bee0), _415194)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _438632)
   Exit: (217) [system] peek_char((0x563acd73bee0), 'O')
   Call: (217) [system] 'O'=(;)
   Fail: (217) [system] 'O'=(;)
   Call: (217) [system] 'O'=(/)
   Fail: (217) [system] 'O'=(/)
^  Call: (217) [user] is_like_space('O')
   Call: (218) [system] char_type('O', 'white')
   Fail: (218) [system] char_type('O', 'white')
   Call: (218) [system] char_type('O', end_of_line)
   Fail: (218) [system] char_type('O', end_of_line)
   Call: (218) [system] char_type('O', space)
   Fail: (218) [system] char_type('O', space)
   Call: (218) [system] char_type('O', cntrl)
   Fail: (218) [system] char_type('O', cntrl)
^  Fail: (217) [user] is_like_space('O')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _454642)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'O')
   Call: (216) [system] 'O'=')'
   Fail: (216) [system] 'O'=')'
   Call: (216) [system] 'O'=end_of_file
   Fail: (216) [system] 'O'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x563acd73bee0), _460212)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _462070)
   Exit: (218) [system] peek_char((0x563acd73bee0), 'O')
   Call: (218) [system] 'O'=(;)
   Fail: (218) [system] 'O'=(;)
   Call: (218) [system] 'O'=(/)
   Fail: (218) [system] 'O'=(/)
^  Call: (218) [user] is_like_space('O')
   Call: (219) [system] char_type('O', 'white')
   Fail: (219) [system] char_type('O', 'white')
   Call: (219) [system] char_type('O', end_of_line)
   Fail: (219) [system] char_type('O', end_of_line)
   Call: (219) [system] char_type('O', space)
   Fail: (219) [system] char_type('O', space)
   Call: (219) [system] char_type('O', cntrl)
   Fail: (219) [system] char_type('O', cntrl)
^  Fail: (218) [user] is_like_space('O')
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] get_char((0x563acd73bee0), _478080)
   Exit: (217) [system] get_char((0x563acd73bee0), 'O')
   Call: (217) [system] 'O'='('
   Fail: (217) [system] 'O'='('
   Call: (217) [system] 'O'='['
   Fail: (217) [system] 'O'='['
   Call: (217) [system] 'O'='{'
   Fail: (217) [system] 'O'='{'
   Call: (217) [system] 'O'='"'
   Fail: (217) [system] 'O'='"'
   Call: (217) [system] 'O'=!
   Fail: (217) [system] 'O'=!
   Call: (217) [system] 'O'='\''
   Fail: (217) [system] 'O'='\''
   Call: (217) [system] 'O'='`'
   Fail: (217) [system] 'O'='`'
   Call: (217) [system] 'O'=end_of_file
   Fail: (217) [system] 'O'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x563acd73bee0), 'O', _460212)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _495722)
   Call: (219) [system] peek_char((0x563acd73bee0), _496656)
   Exit: (219) [system] peek_char((0x563acd73bee0), r)
^  Call: (219) [user] is_delimiter(r)
   Call: (220) [system] char_type(r, space)
   Fail: (220) [system] char_type(r, space)
   Call: (220) [system] arg(_501376, v('(', ')', end_of_file), r)
   Fail: (220) [system] arg(_502308, v('(', ')', end_of_file), r)
^  Fail: (219) [user] is_delimiter(r)
   Call: (219) [system] ')'==r
   Fail: (219) [system] ')'==r
   Call: (219) [system] get_char((0x563acd73bee0), r)
   Exit: (219) [system] get_char((0x563acd73bee0), r)
   Call: (219) [system] r=(\)
   Fail: (219) [system] r=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _509658)
   Call: (220) [system] peek_char((0x563acd73bee0), _510592)
   Exit: (220) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (220) [user] is_delimiter('L')
   Call: (221) [system] char_type('L', space)
   Fail: (221) [system] char_type('L', space)
   Call: (221) [system] arg(_515312, v('(', ')', end_of_file), 'L')
   Fail: (221) [system] arg(_516244, v('(', ')', end_of_file), 'L')
^  Fail: (220) [user] is_delimiter('L')
   Call: (220) [system] ')'=='L'
   Fail: (220) [system] ')'=='L'
   Call: (220) [system] get_char((0x563acd73bee0), 'L')
   Exit: (220) [system] get_char((0x563acd73bee0), 'L')
   Call: (220) [system] 'L'=(\)
   Fail: (220) [system] 'L'=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _523594)
   Call: (221) [system] peek_char((0x563acd73bee0), _524528)
   Exit: (221) [system] peek_char((0x563acd73bee0), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_529248, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_530180, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x563acd73bee0), i)
   Exit: (221) [system] get_char((0x563acd73bee0), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _537530)
   Call: (222) [system] peek_char((0x563acd73bee0), _538464)
   Exit: (222) [system] peek_char((0x563acd73bee0), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_543184, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_544116, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x563acd73bee0), n)
   Exit: (222) [system] get_char((0x563acd73bee0), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _551466)
   Call: (223) [system] peek_char((0x563acd73bee0), _552400)
   Exit: (223) [system] peek_char((0x563acd73bee0), k)
^  Call: (223) [user] is_delimiter(k)
   Call: (224) [system] char_type(k, space)
   Fail: (224) [system] char_type(k, space)
   Call: (224) [system] arg(_557120, v('(', ')', end_of_file), k)
   Fail: (224) [system] arg(_558052, v('(', ')', end_of_file), k)
^  Fail: (223) [user] is_delimiter(k)
   Call: (223) [system] ')'==k
   Fail: (223) [system] ')'==k
   Call: (223) [system] get_char((0x563acd73bee0), k)
   Exit: (223) [system] get_char((0x563acd73bee0), k)
   Call: (223) [system] k=(\)
   Fail: (223) [system] k=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _565402)
   Call: (224) [system] peek_char((0x563acd73bee0), _566336)
   Exit: (224) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _565402=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (223) [system] _551466=[k]
   Exit: (223) [system] [k]=[k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (222) [system] _537530=[n, k]
   Exit: (222) [system] [n, k]=[n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (221) [system] _523594=[i, n, k]
   Exit: (221) [system] [i, n, k]=[i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (220) [system] _509658=['L', i, n, k]
   Exit: (220) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (219) [system] _495722=[r, 'L', i, n, k]
   Exit: (219) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (218) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _460212)
^  Call: (219) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _589590)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_590542, _590544), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _589590), _590524, fail)), '$restore_trace'(_590542, _590544))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_590542, _590544))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _589590), _590524, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_589590)
   Fail: (220) [system] atomic(_589590)
   Call: (220) [system] atom_chars(_589590, ['O', r, 'L', i, n, k])
   Exit: (220) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (219) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (219) [system] integer('OrLink')
   Fail: (219) [system] integer('OrLink')
   Call: (219) [system] _460212='OrLink'
   Exit: (219) [system] 'OrLink'='OrLink'
^  Exit: (218) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (217) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (216) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (216) [user] read_list(')', (0x563acd73bee0), _604540)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _606398)
   Exit: (218) [system] peek_char((0x563acd73bee0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x563acd73bee0), _615992)
   Exit: (218) [system] get_char((0x563acd73bee0), ' ')
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _618696)
   Exit: (219) [system] peek_char((0x563acd73bee0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _635630)
   Exit: (217) [system] peek_char((0x563acd73bee0), '(')
   Call: (217) [system] '('=')'
   Fail: (217) [system] '('=')'
   Call: (217) [system] '('=end_of_file
   Fail: (217) [system] '('=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x563acd73bee0), _641200)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _643058)
   Exit: (219) [system] peek_char((0x563acd73bee0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] get_char((0x563acd73bee0), _659068)
   Exit: (218) [system] get_char((0x563acd73bee0), '(')
   Call: (218) [system] '('='('
   Exit: (218) [system] '('='('
^  Call: (218) [user] read_list(')', (0x563acd73bee0), _641200)
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _664638)
   Exit: (220) [system] peek_char((0x563acd73bee0), 'I')
   Call: (220) [system] 'I'=(;)
   Fail: (220) [system] 'I'=(;)
   Call: (220) [system] 'I'=(/)
   Fail: (220) [system] 'I'=(/)
^  Call: (220) [user] is_like_space('I')
   Call: (221) [system] char_type('I', 'white')
   Fail: (221) [system] char_type('I', 'white')
   Call: (221) [system] char_type('I', end_of_line)
   Fail: (221) [system] char_type('I', end_of_line)
   Call: (221) [system] char_type('I', space)
   Fail: (221) [system] char_type('I', space)
   Call: (221) [system] char_type('I', cntrl)
   Fail: (221) [system] char_type('I', cntrl)
^  Fail: (220) [user] is_like_space('I')
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _680648)
   Exit: (219) [system] peek_char((0x563acd73bee0), 'I')
   Call: (219) [system] 'I'=')'
   Fail: (219) [system] 'I'=')'
   Call: (219) [system] 'I'=end_of_file
   Fail: (219) [system] 'I'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x563acd73bee0), _686218)
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _688076)
   Exit: (221) [system] peek_char((0x563acd73bee0), 'I')
   Call: (221) [system] 'I'=(;)
   Fail: (221) [system] 'I'=(;)
   Call: (221) [system] 'I'=(/)
   Fail: (221) [system] 'I'=(/)
^  Call: (221) [user] is_like_space('I')
   Call: (222) [system] char_type('I', 'white')
   Fail: (222) [system] char_type('I', 'white')
   Call: (222) [system] char_type('I', end_of_line)
   Fail: (222) [system] char_type('I', end_of_line)
   Call: (222) [system] char_type('I', space)
   Fail: (222) [system] char_type('I', space)
   Call: (222) [system] char_type('I', cntrl)
   Fail: (222) [system] char_type('I', cntrl)
^  Fail: (221) [user] is_like_space('I')
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] get_char((0x563acd73bee0), _704086)
   Exit: (220) [system] get_char((0x563acd73bee0), 'I')
   Call: (220) [system] 'I'='('
   Fail: (220) [system] 'I'='('
   Call: (220) [system] 'I'='['
   Fail: (220) [system] 'I'='['
   Call: (220) [system] 'I'='{'
   Fail: (220) [system] 'I'='{'
   Call: (220) [system] 'I'='"'
   Fail: (220) [system] 'I'='"'
   Call: (220) [system] 'I'=!
   Fail: (220) [system] 'I'=!
   Call: (220) [system] 'I'='\''
   Fail: (220) [system] 'I'='\''
   Call: (220) [system] 'I'='`'
   Fail: (220) [system] 'I'='`'
   Call: (220) [system] 'I'=end_of_file
   Fail: (220) [system] 'I'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x563acd73bee0), 'I', _686218)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _721728)
   Call: (222) [system] peek_char((0x563acd73bee0), _722662)
   Exit: (222) [system] peek_char((0x563acd73bee0), m)
^  Call: (222) [user] is_delimiter(m)
   Call: (223) [system] char_type(m, space)
   Fail: (223) [system] char_type(m, space)
   Call: (223) [system] arg(_727382, v('(', ')', end_of_file), m)
   Fail: (223) [system] arg(_728314, v('(', ')', end_of_file), m)
^  Fail: (222) [user] is_delimiter(m)
   Call: (222) [system] ')'==m
   Fail: (222) [system] ')'==m
   Call: (222) [system] get_char((0x563acd73bee0), m)
   Exit: (222) [system] get_char((0x563acd73bee0), m)
   Call: (222) [system] m=(\)
   Fail: (222) [system] m=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _735664)
   Call: (223) [system] peek_char((0x563acd73bee0), _736598)
   Exit: (223) [system] peek_char((0x563acd73bee0), p)
^  Call: (223) [user] is_delimiter(p)
   Call: (224) [system] char_type(p, space)
   Fail: (224) [system] char_type(p, space)
   Call: (224) [system] arg(_741318, v('(', ')', end_of_file), p)
   Fail: (224) [system] arg(_742250, v('(', ')', end_of_file), p)
^  Fail: (223) [user] is_delimiter(p)
   Call: (223) [system] ')'==p
   Fail: (223) [system] ')'==p
   Call: (223) [system] get_char((0x563acd73bee0), p)
   Exit: (223) [system] get_char((0x563acd73bee0), p)
   Call: (223) [system] p=(\)
   Fail: (223) [system] p=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _749600)
   Call: (224) [system] peek_char((0x563acd73bee0), _750534)
   Exit: (224) [system] peek_char((0x563acd73bee0), l)
^  Call: (224) [user] is_delimiter(l)
   Call: (225) [system] char_type(l, space)
   Fail: (225) [system] char_type(l, space)
   Call: (225) [system] arg(_755254, v('(', ')', end_of_file), l)
   Fail: (225) [system] arg(_756186, v('(', ')', end_of_file), l)
^  Fail: (224) [user] is_delimiter(l)
   Call: (224) [system] ')'==l
   Fail: (224) [system] ')'==l
   Call: (224) [system] get_char((0x563acd73bee0), l)
   Exit: (224) [system] get_char((0x563acd73bee0), l)
   Call: (224) [system] l=(\)
   Fail: (224) [system] l=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _763536)
   Call: (225) [system] peek_char((0x563acd73bee0), _764470)
   Exit: (225) [system] peek_char((0x563acd73bee0), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_769190, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_770122, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x563acd73bee0), i)
   Exit: (225) [system] get_char((0x563acd73bee0), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _777472)
   Call: (226) [system] peek_char((0x563acd73bee0), _778406)
   Exit: (226) [system] peek_char((0x563acd73bee0), c)
^  Call: (226) [user] is_delimiter(c)
   Call: (227) [system] char_type(c, space)
   Fail: (227) [system] char_type(c, space)
   Call: (227) [system] arg(_783126, v('(', ')', end_of_file), c)
   Fail: (227) [system] arg(_784058, v('(', ')', end_of_file), c)
^  Fail: (226) [user] is_delimiter(c)
   Call: (226) [system] ')'==c
   Fail: (226) [system] ')'==c
   Call: (226) [system] get_char((0x563acd73bee0), c)
   Exit: (226) [system] get_char((0x563acd73bee0), c)
   Call: (226) [system] c=(\)
   Fail: (226) [system] c=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _791408)
   Call: (227) [system] peek_char((0x563acd73bee0), _792342)
   Exit: (227) [system] peek_char((0x563acd73bee0), a)
^  Call: (227) [user] is_delimiter(a)
   Call: (228) [system] char_type(a, space)
   Fail: (228) [system] char_type(a, space)
   Call: (228) [system] arg(_797062, v('(', ')', end_of_file), a)
   Fail: (228) [system] arg(_797994, v('(', ')', end_of_file), a)
^  Fail: (227) [user] is_delimiter(a)
   Call: (227) [system] ')'==a
   Fail: (227) [system] ')'==a
   Call: (227) [system] get_char((0x563acd73bee0), a)
   Exit: (227) [system] get_char((0x563acd73bee0), a)
   Call: (227) [system] a=(\)
   Fail: (227) [system] a=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _805344)
   Call: (228) [system] peek_char((0x563acd73bee0), _806278)
   Exit: (228) [system] peek_char((0x563acd73bee0), t)
^  Call: (228) [user] is_delimiter(t)
   Call: (229) [system] char_type(t, space)
   Fail: (229) [system] char_type(t, space)
   Call: (229) [system] arg(_810998, v('(', ')', end_of_file), t)
   Fail: (229) [system] arg(_811930, v('(', ')', end_of_file), t)
^  Fail: (228) [user] is_delimiter(t)
   Call: (228) [system] ')'==t
   Fail: (228) [system] ')'==t
   Call: (228) [system] get_char((0x563acd73bee0), t)
   Exit: (228) [system] get_char((0x563acd73bee0), t)
   Call: (228) [system] t=(\)
   Fail: (228) [system] t=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _819280)
   Call: (229) [system] peek_char((0x563acd73bee0), _820214)
   Exit: (229) [system] peek_char((0x563acd73bee0), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_824934, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_825866, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x563acd73bee0), i)
   Exit: (229) [system] get_char((0x563acd73bee0), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _833216)
   Call: (230) [system] peek_char((0x563acd73bee0), _834150)
   Exit: (230) [system] peek_char((0x563acd73bee0), o)
^  Call: (230) [user] is_delimiter(o)
   Call: (231) [system] char_type(o, space)
   Fail: (231) [system] char_type(o, space)
   Call: (231) [system] arg(_838870, v('(', ')', end_of_file), o)
   Fail: (231) [system] arg(_839802, v('(', ')', end_of_file), o)
^  Fail: (230) [user] is_delimiter(o)
   Call: (230) [system] ')'==o
   Fail: (230) [system] ')'==o
   Call: (230) [system] get_char((0x563acd73bee0), o)
   Exit: (230) [system] get_char((0x563acd73bee0), o)
   Call: (230) [system] o=(\)
   Fail: (230) [system] o=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _847152)
   Call: (231) [system] peek_char((0x563acd73bee0), _848086)
   Exit: (231) [system] peek_char((0x563acd73bee0), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_852806, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_853738, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x563acd73bee0), n)
   Exit: (231) [system] get_char((0x563acd73bee0), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _861088)
   Call: (232) [system] peek_char((0x563acd73bee0), _862022)
   Exit: (232) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _861088=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (231) [system] _847152=[n]
   Exit: (231) [system] [n]=[n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (230) [system] _833216=[o, n]
   Exit: (230) [system] [o, n]=[o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (229) [system] _819280=[i, o, n]
   Exit: (229) [system] [i, o, n]=[i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (228) [system] _805344=[t, i, o, n]
   Exit: (228) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (227) [system] _791408=[a, t, i, o, n]
   Exit: (227) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (226) [system] _777472=[c, a, t, i, o, n]
   Exit: (226) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (225) [system] _763536=[i, c, a, t, i, o, n]
   Exit: (225) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (224) [system] _749600=[l, i, c, a, t, i, o, n]
   Exit: (224) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (223) [system] _735664=[p, l, i, c, a, t, i, o, n]
   Exit: (223) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (222) [system] _721728=[m, p, l, i, c, a, t, i, o, n]
   Exit: (222) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (221) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _686218)
^  Call: (222) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _899246)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_900198, _900200), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _899246), _900180, fail)), '$restore_trace'(_900198, _900200))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_900198, _900200))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _899246), _900180, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_899246)
   Fail: (223) [system] atomic(_899246)
   Call: (223) [system] atom_chars(_899246, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (223) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (222) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (222) [system] integer('Implication')
   Fail: (222) [system] integer('Implication')
   Call: (222) [system] _686218='Implication'
   Exit: (222) [system] 'Implication'='Implication'
^  Exit: (221) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (220) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (219) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (219) [user] read_list(')', (0x563acd73bee0), _914196)
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _916054)
   Exit: (221) [system] peek_char((0x563acd73bee0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x563acd73bee0), _925648)
   Exit: (221) [system] get_char((0x563acd73bee0), ' ')
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _928352)
   Exit: (222) [system] peek_char((0x563acd73bee0), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
   Call: (222) [system] '('=(/)
   Fail: (222) [system] '('=(/)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _945286)
   Exit: (220) [system] peek_char((0x563acd73bee0), '(')
   Call: (220) [system] '('=')'
   Fail: (220) [system] '('=')'
   Call: (220) [system] '('=end_of_file
   Fail: (220) [system] '('=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x563acd73bee0), _950856)
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _952714)
   Exit: (222) [system] peek_char((0x563acd73bee0), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
   Call: (222) [system] '('=(/)
   Fail: (222) [system] '('=(/)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] get_char((0x563acd73bee0), _968724)
   Exit: (221) [system] get_char((0x563acd73bee0), '(')
   Call: (221) [system] '('='('
   Exit: (221) [system] '('='('
^  Call: (221) [user] read_list(')', (0x563acd73bee0), _950856)
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _974294)
   Exit: (223) [system] peek_char((0x563acd73bee0), 'O')
   Call: (223) [system] 'O'=(;)
   Fail: (223) [system] 'O'=(;)
   Call: (223) [system] 'O'=(/)
   Fail: (223) [system] 'O'=(/)
^  Call: (223) [user] is_like_space('O')
   Call: (224) [system] char_type('O', 'white')
   Fail: (224) [system] char_type('O', 'white')
   Call: (224) [system] char_type('O', end_of_line)
   Fail: (224) [system] char_type('O', end_of_line)
   Call: (224) [system] char_type('O', space)
   Fail: (224) [system] char_type('O', space)
   Call: (224) [system] char_type('O', cntrl)
   Fail: (224) [system] char_type('O', cntrl)
^  Fail: (223) [user] is_like_space('O')
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _990304)
   Exit: (222) [system] peek_char((0x563acd73bee0), 'O')
   Call: (222) [system] 'O'=')'
   Fail: (222) [system] 'O'=')'
   Call: (222) [system] 'O'=end_of_file
   Fail: (222) [system] 'O'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x563acd73bee0), _995874)
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _997732)
   Exit: (224) [system] peek_char((0x563acd73bee0), 'O')
   Call: (224) [system] 'O'=(;)
   Fail: (224) [system] 'O'=(;)
   Call: (224) [system] 'O'=(/)
   Fail: (224) [system] 'O'=(/)
^  Call: (224) [user] is_like_space('O')
   Call: (225) [system] char_type('O', 'white')
   Fail: (225) [system] char_type('O', 'white')
   Call: (225) [system] char_type('O', end_of_line)
   Fail: (225) [system] char_type('O', end_of_line)
   Call: (225) [system] char_type('O', space)
   Fail: (225) [system] char_type('O', space)
   Call: (225) [system] char_type('O', cntrl)
   Fail: (225) [system] char_type('O', cntrl)
^  Fail: (224) [user] is_like_space('O')
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] get_char((0x563acd73bee0), _1013742)
   Exit: (223) [system] get_char((0x563acd73bee0), 'O')
   Call: (223) [system] 'O'='('
   Fail: (223) [system] 'O'='('
   Call: (223) [system] 'O'='['
   Fail: (223) [system] 'O'='['
   Call: (223) [system] 'O'='{'
   Fail: (223) [system] 'O'='{'
   Call: (223) [system] 'O'='"'
   Fail: (223) [system] 'O'='"'
   Call: (223) [system] 'O'=!
   Fail: (223) [system] 'O'=!
   Call: (223) [system] 'O'='\''
   Fail: (223) [system] 'O'='\''
   Call: (223) [system] 'O'='`'
   Fail: (223) [system] 'O'='`'
   Call: (223) [system] 'O'=end_of_file
   Fail: (223) [system] 'O'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x563acd73bee0), 'O', _995874)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _1031384)
   Call: (225) [system] peek_char((0x563acd73bee0), _1032318)
   Exit: (225) [system] peek_char((0x563acd73bee0), r)
^  Call: (225) [user] is_delimiter(r)
   Call: (226) [system] char_type(r, space)
   Fail: (226) [system] char_type(r, space)
   Call: (226) [system] arg(_1037038, v('(', ')', end_of_file), r)
   Fail: (226) [system] arg(_1037970, v('(', ')', end_of_file), r)
^  Fail: (225) [user] is_delimiter(r)
   Call: (225) [system] ')'==r
   Fail: (225) [system] ')'==r
   Call: (225) [system] get_char((0x563acd73bee0), r)
   Exit: (225) [system] get_char((0x563acd73bee0), r)
   Call: (225) [system] r=(\)
   Fail: (225) [system] r=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _1045320)
   Call: (226) [system] peek_char((0x563acd73bee0), _1046254)
   Exit: (226) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (226) [user] is_delimiter('L')
   Call: (227) [system] char_type('L', space)
   Fail: (227) [system] char_type('L', space)
   Call: (227) [system] arg(_1050974, v('(', ')', end_of_file), 'L')
   Fail: (227) [system] arg(_1051906, v('(', ')', end_of_file), 'L')
^  Fail: (226) [user] is_delimiter('L')
   Call: (226) [system] ')'=='L'
   Fail: (226) [system] ')'=='L'
   Call: (226) [system] get_char((0x563acd73bee0), 'L')
   Exit: (226) [system] get_char((0x563acd73bee0), 'L')
   Call: (226) [system] 'L'=(\)
   Fail: (226) [system] 'L'=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _1059256)
   Call: (227) [system] peek_char((0x563acd73bee0), _1060190)
   Exit: (227) [system] peek_char((0x563acd73bee0), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_1064910, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_1065842, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x563acd73bee0), i)
   Exit: (227) [system] get_char((0x563acd73bee0), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _1073192)
   Call: (228) [system] peek_char((0x563acd73bee0), _1074126)
   Exit: (228) [system] peek_char((0x563acd73bee0), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_1078846, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_1079778, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x563acd73bee0), n)
   Exit: (228) [system] get_char((0x563acd73bee0), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _1087128)
   Call: (229) [system] peek_char((0x563acd73bee0), _1088062)
   Exit: (229) [system] peek_char((0x563acd73bee0), k)
^  Call: (229) [user] is_delimiter(k)
   Call: (230) [system] char_type(k, space)
   Fail: (230) [system] char_type(k, space)
   Call: (230) [system] arg(_1092782, v('(', ')', end_of_file), k)
   Fail: (230) [system] arg(_1093714, v('(', ')', end_of_file), k)
^  Fail: (229) [user] is_delimiter(k)
   Call: (229) [system] ')'==k
   Fail: (229) [system] ')'==k
   Call: (229) [system] get_char((0x563acd73bee0), k)
   Exit: (229) [system] get_char((0x563acd73bee0), k)
   Call: (229) [system] k=(\)
   Fail: (229) [system] k=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _1101064)
   Call: (230) [system] peek_char((0x563acd73bee0), _1101998)
   Exit: (230) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _1101064=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (229) [system] _1087128=[k]
   Exit: (229) [system] [k]=[k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (228) [system] _1073192=[n, k]
   Exit: (228) [system] [n, k]=[n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (227) [system] _1059256=[i, n, k]
   Exit: (227) [system] [i, n, k]=[i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (226) [system] _1045320=['L', i, n, k]
   Exit: (226) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (225) [system] _1031384=[r, 'L', i, n, k]
   Exit: (225) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (224) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _995874)
^  Call: (225) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1125252)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1126204, _1126206), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1125252), _1126186, fail)), '$restore_trace'(_1126204, _1126206))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1126204, _1126206))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1125252), _1126186, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_1125252)
   Fail: (226) [system] atomic(_1125252)
   Call: (226) [system] atom_chars(_1125252, ['O', r, 'L', i, n, k])
   Exit: (226) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (225) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (225) [system] integer('OrLink')
   Fail: (225) [system] integer('OrLink')
   Call: (225) [system] _995874='OrLink'
   Exit: (225) [system] 'OrLink'='OrLink'
^  Exit: (224) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (223) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (222) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (222) [user] read_list(')', (0x563acd73bee0), _1140202)
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _1142060)
   Exit: (224) [system] peek_char((0x563acd73bee0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x563acd73bee0), _1151654)
   Exit: (224) [system] get_char((0x563acd73bee0), ' ')
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _1154358)
   Exit: (225) [system] peek_char((0x563acd73bee0), 'C')
   Call: (225) [system] 'C'=(;)
   Fail: (225) [system] 'C'=(;)
   Call: (225) [system] 'C'=(/)
   Fail: (225) [system] 'C'=(/)
^  Call: (225) [user] is_like_space('C')
   Call: (226) [system] char_type('C', 'white')
   Fail: (226) [system] char_type('C', 'white')
   Call: (226) [system] char_type('C', end_of_line)
   Fail: (226) [system] char_type('C', end_of_line)
   Call: (226) [system] char_type('C', space)
   Fail: (226) [system] char_type('C', space)
   Call: (226) [system] char_type('C', cntrl)
   Fail: (226) [system] char_type('C', cntrl)
^  Fail: (225) [user] is_like_space('C')
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _1171292)
   Exit: (223) [system] peek_char((0x563acd73bee0), 'C')
   Call: (223) [system] 'C'=')'
   Fail: (223) [system] 'C'=')'
   Call: (223) [system] 'C'=end_of_file
   Fail: (223) [system] 'C'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x563acd73bee0), _1176862)
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _1178720)
   Exit: (225) [system] peek_char((0x563acd73bee0), 'C')
   Call: (225) [system] 'C'=(;)
   Fail: (225) [system] 'C'=(;)
   Call: (225) [system] 'C'=(/)
   Fail: (225) [system] 'C'=(/)
^  Call: (225) [user] is_like_space('C')
   Call: (226) [system] char_type('C', 'white')
   Fail: (226) [system] char_type('C', 'white')
   Call: (226) [system] char_type('C', end_of_line)
   Fail: (226) [system] char_type('C', end_of_line)
   Call: (226) [system] char_type('C', space)
   Fail: (226) [system] char_type('C', space)
   Call: (226) [system] char_type('C', cntrl)
   Fail: (226) [system] char_type('C', cntrl)
^  Fail: (225) [user] is_like_space('C')
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] get_char((0x563acd73bee0), _1194730)
   Exit: (224) [system] get_char((0x563acd73bee0), 'C')
   Call: (224) [system] 'C'='('
   Fail: (224) [system] 'C'='('
   Call: (224) [system] 'C'='['
   Fail: (224) [system] 'C'='['
   Call: (224) [system] 'C'='{'
   Fail: (224) [system] 'C'='{'
   Call: (224) [system] 'C'='"'
   Fail: (224) [system] 'C'='"'
   Call: (224) [system] 'C'=!
   Fail: (224) [system] 'C'=!
   Call: (224) [system] 'C'='\''
   Fail: (224) [system] 'C'='\''
   Call: (224) [system] 'C'='`'
   Fail: (224) [system] 'C'='`'
   Call: (224) [system] 'C'=end_of_file
   Fail: (224) [system] 'C'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x563acd73bee0), 'C', _1176862)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _1212372)
   Call: (226) [system] peek_char((0x563acd73bee0), _1213306)
   Exit: (226) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _1212372=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (225) [user] classify_and_convert_charseq(['C'], _1176862)
^  Call: (226) [user] classify_and_convert_charseq_(['C'], _1222590)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_1223542, _1223544), once(user:catch(read_from_chars(['C'], _1222590), _1223524, fail)), '$restore_trace'(_1223542, _1223544))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_1223542, _1223544))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1222590), _1223524, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_1222590)
   Fail: (227) [system] atomic(_1222590)
   Call: (227) [system] atom_chars(_1222590, ['C'])
   Exit: (227) [system] atom_chars('C', ['C'])
^  Exit: (226) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (226) [system] integer('C')
   Fail: (226) [system] integer('C')
   Call: (226) [system] _1176862='C'
   Exit: (226) [system] 'C'='C'
^  Exit: (225) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (224) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (223) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (223) [user] read_list(')', (0x563acd73bee0), _1237540)
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _1239398)
   Exit: (225) [system] peek_char((0x563acd73bee0), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x563acd73bee0), _1248992)
   Exit: (225) [system] get_char((0x563acd73bee0), ' ')
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _1251696)
   Exit: (226) [system] peek_char((0x563acd73bee0), 'D')
   Call: (226) [system] 'D'=(;)
   Fail: (226) [system] 'D'=(;)
   Call: (226) [system] 'D'=(/)
   Fail: (226) [system] 'D'=(/)
^  Call: (226) [user] is_like_space('D')
   Call: (227) [system] char_type('D', 'white')
   Fail: (227) [system] char_type('D', 'white')
   Call: (227) [system] char_type('D', end_of_line)
   Fail: (227) [system] char_type('D', end_of_line)
   Call: (227) [system] char_type('D', space)
   Fail: (227) [system] char_type('D', space)
   Call: (227) [system] char_type('D', cntrl)
   Fail: (227) [system] char_type('D', cntrl)
^  Fail: (226) [user] is_like_space('D')
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _1268630)
   Exit: (224) [system] peek_char((0x563acd73bee0), 'D')
   Call: (224) [system] 'D'=')'
   Fail: (224) [system] 'D'=')'
   Call: (224) [system] 'D'=end_of_file
   Fail: (224) [system] 'D'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x563acd73bee0), _1274200)
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _1276058)
   Exit: (226) [system] peek_char((0x563acd73bee0), 'D')
   Call: (226) [system] 'D'=(;)
   Fail: (226) [system] 'D'=(;)
   Call: (226) [system] 'D'=(/)
   Fail: (226) [system] 'D'=(/)
^  Call: (226) [user] is_like_space('D')
   Call: (227) [system] char_type('D', 'white')
   Fail: (227) [system] char_type('D', 'white')
   Call: (227) [system] char_type('D', end_of_line)
   Fail: (227) [system] char_type('D', end_of_line)
   Call: (227) [system] char_type('D', space)
   Fail: (227) [system] char_type('D', space)
   Call: (227) [system] char_type('D', cntrl)
   Fail: (227) [system] char_type('D', cntrl)
^  Fail: (226) [user] is_like_space('D')
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] get_char((0x563acd73bee0), _1292068)
   Exit: (225) [system] get_char((0x563acd73bee0), 'D')
   Call: (225) [system] 'D'='('
   Fail: (225) [system] 'D'='('
   Call: (225) [system] 'D'='['
   Fail: (225) [system] 'D'='['
   Call: (225) [system] 'D'='{'
   Fail: (225) [system] 'D'='{'
   Call: (225) [system] 'D'='"'
   Fail: (225) [system] 'D'='"'
   Call: (225) [system] 'D'=!
   Fail: (225) [system] 'D'=!
   Call: (225) [system] 'D'='\''
   Fail: (225) [system] 'D'='\''
   Call: (225) [system] 'D'='`'
   Fail: (225) [system] 'D'='`'
   Call: (225) [system] 'D'=end_of_file
   Fail: (225) [system] 'D'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x563acd73bee0), 'D', _1274200)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _1309710)
   Call: (227) [system] peek_char((0x563acd73bee0), _1310644)
   Exit: (227) [system] peek_char((0x563acd73bee0), ')')
^  Call: (227) [user] is_delimiter(')')
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] arg(_1315364, v('(', ')', end_of_file), ')')
   Exit: (228) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (227) [user] is_delimiter(')')
   Call: (227) [system] _1309710=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (226) [user] classify_and_convert_charseq(['D'], _1274200)
^  Call: (227) [user] classify_and_convert_charseq_(['D'], _1321800)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1322752, _1322754), once(user:catch(read_from_chars(['D'], _1321800), _1322734, fail)), '$restore_trace'(_1322752, _1322754))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1322752, _1322754))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1321800), _1322734, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_1321800)
   Fail: (228) [system] atomic(_1321800)
   Call: (228) [system] atom_chars(_1321800, ['D'])
   Exit: (228) [system] atom_chars('D', ['D'])
^  Exit: (227) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (227) [system] integer('D')
   Fail: (227) [system] integer('D')
   Call: (227) [system] _1274200='D'
   Exit: (227) [system] 'D'='D'
^  Exit: (226) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (225) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'D')
^  Exit: (224) [user] cont_sexpr(')', (0x563acd73bee0), 'D')
^  Call: (224) [user] read_list(')', (0x563acd73bee0), _1336750)
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _1338608)
   Exit: (226) [system] peek_char((0x563acd73bee0), ')')
   Call: (226) [system] ')'=(;)
   Fail: (226) [system] ')'=(;)
   Call: (226) [system] ')'=(/)
   Fail: (226) [system] ')'=(/)
^  Call: (226) [user] is_like_space(')')
   Call: (227) [system] char_type(')', 'white')
   Fail: (227) [system] char_type(')', 'white')
   Call: (227) [system] char_type(')', end_of_line)
   Fail: (227) [system] char_type(')', end_of_line)
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] char_type(')', cntrl)
   Fail: (227) [system] char_type(')', cntrl)
^  Fail: (226) [user] is_like_space(')')
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _1354618)
   Exit: (225) [system] peek_char((0x563acd73bee0), ')')
   Call: (225) [system] ')'=')'
   Exit: (225) [system] ')'=')'
   Call: (225) [system] get_char((0x563acd73bee0), _1358408)
   Exit: (225) [system] get_char((0x563acd73bee0), ')')
   Call: (225) [system] _1336750=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_list(')', (0x563acd73bee0), [])
   Call: (224) [system] _1237540=['D']
   Exit: (224) [system] ['D']=['D']
^  Exit: (223) [user] read_list(')', (0x563acd73bee0), ['D'])
   Call: (223) [system] _1140202=['C', 'D']
   Exit: (223) [system] ['C', 'D']=['C', 'D']
^  Exit: (222) [user] read_list(')', (0x563acd73bee0), ['C', 'D'])
   Call: (222) [system] _950856=['OrLink', 'C', 'D']
   Exit: (222) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (221) [user] read_list(')', (0x563acd73bee0), ['OrLink', 'C', 'D'])
^  Exit: (220) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', 'C', 'D'])
^  Call: (220) [user] read_list(')', (0x563acd73bee0), _1372290)
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _1374148)
   Exit: (222) [system] peek_char((0x563acd73bee0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x563acd73bee0), _1383742)
   Exit: (222) [system] get_char((0x563acd73bee0), ' ')
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _1386446)
   Exit: (223) [system] peek_char((0x563acd73bee0), 'E')
   Call: (223) [system] 'E'=(;)
   Fail: (223) [system] 'E'=(;)
   Call: (223) [system] 'E'=(/)
   Fail: (223) [system] 'E'=(/)
^  Call: (223) [user] is_like_space('E')
   Call: (224) [system] char_type('E', 'white')
   Fail: (224) [system] char_type('E', 'white')
   Call: (224) [system] char_type('E', end_of_line)
   Fail: (224) [system] char_type('E', end_of_line)
   Call: (224) [system] char_type('E', space)
   Fail: (224) [system] char_type('E', space)
   Call: (224) [system] char_type('E', cntrl)
   Fail: (224) [system] char_type('E', cntrl)
^  Fail: (223) [user] is_like_space('E')
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _1403380)
   Exit: (221) [system] peek_char((0x563acd73bee0), 'E')
   Call: (221) [system] 'E'=')'
   Fail: (221) [system] 'E'=')'
   Call: (221) [system] 'E'=end_of_file
   Fail: (221) [system] 'E'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x563acd73bee0), _1408950)
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _1410808)
   Exit: (223) [system] peek_char((0x563acd73bee0), 'E')
   Call: (223) [system] 'E'=(;)
   Fail: (223) [system] 'E'=(;)
   Call: (223) [system] 'E'=(/)
   Fail: (223) [system] 'E'=(/)
^  Call: (223) [user] is_like_space('E')
   Call: (224) [system] char_type('E', 'white')
   Fail: (224) [system] char_type('E', 'white')
   Call: (224) [system] char_type('E', end_of_line)
   Fail: (224) [system] char_type('E', end_of_line)
   Call: (224) [system] char_type('E', space)
   Fail: (224) [system] char_type('E', space)
   Call: (224) [system] char_type('E', cntrl)
   Fail: (224) [system] char_type('E', cntrl)
^  Fail: (223) [user] is_like_space('E')
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] get_char((0x563acd73bee0), _1426818)
   Exit: (222) [system] get_char((0x563acd73bee0), 'E')
   Call: (222) [system] 'E'='('
   Fail: (222) [system] 'E'='('
   Call: (222) [system] 'E'='['
   Fail: (222) [system] 'E'='['
   Call: (222) [system] 'E'='{'
   Fail: (222) [system] 'E'='{'
   Call: (222) [system] 'E'='"'
   Fail: (222) [system] 'E'='"'
   Call: (222) [system] 'E'=!
   Fail: (222) [system] 'E'=!
   Call: (222) [system] 'E'='\''
   Fail: (222) [system] 'E'='\''
   Call: (222) [system] 'E'='`'
   Fail: (222) [system] 'E'='`'
   Call: (222) [system] 'E'=end_of_file
   Fail: (222) [system] 'E'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x563acd73bee0), 'E', _1408950)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _1444460)
   Call: (224) [system] peek_char((0x563acd73bee0), _1445394)
   Exit: (224) [system] peek_char((0x563acd73bee0), ')')
^  Call: (224) [user] is_delimiter(')')
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] arg(_1450114, v('(', ')', end_of_file), ')')
   Exit: (225) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (224) [user] is_delimiter(')')
   Call: (224) [system] _1444460=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (223) [user] classify_and_convert_charseq(['E'], _1408950)
^  Call: (224) [user] classify_and_convert_charseq_(['E'], _1456550)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_1457502, _1457504), once(user:catch(read_from_chars(['E'], _1456550), _1457484, fail)), '$restore_trace'(_1457502, _1457504))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_1457502, _1457504))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1456550), _1457484, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_1456550)
   Fail: (225) [system] atomic(_1456550)
   Call: (225) [system] atom_chars(_1456550, ['E'])
   Exit: (225) [system] atom_chars('E', ['E'])
^  Exit: (224) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (224) [system] integer('E')
   Fail: (224) [system] integer('E')
   Call: (224) [system] _1408950='E'
   Exit: (224) [system] 'E'='E'
^  Exit: (223) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (222) [user] read_symbolic(')', (0x563acd73bee0), 'E', 'E')
^  Exit: (221) [user] cont_sexpr(')', (0x563acd73bee0), 'E')
^  Call: (221) [user] read_list(')', (0x563acd73bee0), _1471500)
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _1473358)
   Exit: (223) [system] peek_char((0x563acd73bee0), ')')
   Call: (223) [system] ')'=(;)
   Fail: (223) [system] ')'=(;)
   Call: (223) [system] ')'=(/)
   Fail: (223) [system] ')'=(/)
^  Call: (223) [user] is_like_space(')')
   Call: (224) [system] char_type(')', 'white')
   Fail: (224) [system] char_type(')', 'white')
   Call: (224) [system] char_type(')', end_of_line)
   Fail: (224) [system] char_type(')', end_of_line)
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] char_type(')', cntrl)
   Fail: (224) [system] char_type(')', cntrl)
^  Fail: (223) [user] is_like_space(')')
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _1489368)
   Exit: (222) [system] peek_char((0x563acd73bee0), ')')
   Call: (222) [system] ')'=')'
   Exit: (222) [system] ')'=')'
   Call: (222) [system] get_char((0x563acd73bee0), _1493158)
   Exit: (222) [system] get_char((0x563acd73bee0), ')')
   Call: (222) [system] _1471500=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_list(')', (0x563acd73bee0), [])
   Call: (221) [system] _1372290=['E']
   Exit: (221) [system] ['E']=['E']
^  Exit: (220) [user] read_list(')', (0x563acd73bee0), ['E'])
   Call: (220) [system] _914196=[['OrLink', 'C', 'D'], 'E']
   Exit: (220) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (219) [user] read_list(')', (0x563acd73bee0), [['OrLink', 'C', 'D'], 'E'])
   Call: (219) [system] _641200=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (219) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (218) [user] read_list(')', (0x563acd73bee0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (217) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (217) [user] read_list(')', (0x563acd73bee0), _1507040)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _1508898)
   Exit: (219) [system] peek_char((0x563acd73bee0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x563acd73bee0), _1518492)
   Exit: (219) [system] get_char((0x563acd73bee0), ' ')
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _1521196)
   Exit: (220) [system] peek_char((0x563acd73bee0), 'B')
   Call: (220) [system] 'B'=(;)
   Fail: (220) [system] 'B'=(;)
   Call: (220) [system] 'B'=(/)
   Fail: (220) [system] 'B'=(/)
^  Call: (220) [user] is_like_space('B')
   Call: (221) [system] char_type('B', 'white')
   Fail: (221) [system] char_type('B', 'white')
   Call: (221) [system] char_type('B', end_of_line)
   Fail: (221) [system] char_type('B', end_of_line)
   Call: (221) [system] char_type('B', space)
   Fail: (221) [system] char_type('B', space)
   Call: (221) [system] char_type('B', cntrl)
   Fail: (221) [system] char_type('B', cntrl)
^  Fail: (220) [user] is_like_space('B')
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _1538130)
   Exit: (218) [system] peek_char((0x563acd73bee0), 'B')
   Call: (218) [system] 'B'=')'
   Fail: (218) [system] 'B'=')'
   Call: (218) [system] 'B'=end_of_file
   Fail: (218) [system] 'B'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x563acd73bee0), _1543700)
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _1545558)
   Exit: (220) [system] peek_char((0x563acd73bee0), 'B')
   Call: (220) [system] 'B'=(;)
   Fail: (220) [system] 'B'=(;)
   Call: (220) [system] 'B'=(/)
   Fail: (220) [system] 'B'=(/)
^  Call: (220) [user] is_like_space('B')
   Call: (221) [system] char_type('B', 'white')
   Fail: (221) [system] char_type('B', 'white')
   Call: (221) [system] char_type('B', end_of_line)
   Fail: (221) [system] char_type('B', end_of_line)
   Call: (221) [system] char_type('B', space)
   Fail: (221) [system] char_type('B', space)
   Call: (221) [system] char_type('B', cntrl)
   Fail: (221) [system] char_type('B', cntrl)
^  Fail: (220) [user] is_like_space('B')
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] get_char((0x563acd73bee0), _1561568)
   Exit: (219) [system] get_char((0x563acd73bee0), 'B')
   Call: (219) [system] 'B'='('
   Fail: (219) [system] 'B'='('
   Call: (219) [system] 'B'='['
   Fail: (219) [system] 'B'='['
   Call: (219) [system] 'B'='{'
   Fail: (219) [system] 'B'='{'
   Call: (219) [system] 'B'='"'
   Fail: (219) [system] 'B'='"'
   Call: (219) [system] 'B'=!
   Fail: (219) [system] 'B'=!
   Call: (219) [system] 'B'='\''
   Fail: (219) [system] 'B'='\''
   Call: (219) [system] 'B'='`'
   Fail: (219) [system] 'B'='`'
   Call: (219) [system] 'B'=end_of_file
   Fail: (219) [system] 'B'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x563acd73bee0), 'B', _1543700)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _1579210)
   Call: (221) [system] peek_char((0x563acd73bee0), _1580144)
   Exit: (221) [system] peek_char((0x563acd73bee0), ')')
^  Call: (221) [user] is_delimiter(')')
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] arg(_1584864, v('(', ')', end_of_file), ')')
   Exit: (222) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (221) [user] is_delimiter(')')
   Call: (221) [system] _1579210=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (220) [user] classify_and_convert_charseq(['B'], _1543700)
^  Call: (221) [user] classify_and_convert_charseq_(['B'], _1591300)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_1592252, _1592254), once(user:catch(read_from_chars(['B'], _1591300), _1592234, fail)), '$restore_trace'(_1592252, _1592254))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_1592252, _1592254))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1591300), _1592234, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_1591300)
   Fail: (222) [system] atomic(_1591300)
   Call: (222) [system] atom_chars(_1591300, ['B'])
   Exit: (222) [system] atom_chars('B', ['B'])
^  Exit: (221) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (221) [system] integer('B')
   Fail: (221) [system] integer('B')
   Call: (221) [system] _1543700='B'
   Exit: (221) [system] 'B'='B'
^  Exit: (220) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (219) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (218) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (218) [user] read_list(')', (0x563acd73bee0), _1606250)
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _1608108)
   Exit: (220) [system] peek_char((0x563acd73bee0), ')')
   Call: (220) [system] ')'=(;)
   Fail: (220) [system] ')'=(;)
   Call: (220) [system] ')'=(/)
   Fail: (220) [system] ')'=(/)
^  Call: (220) [user] is_like_space(')')
   Call: (221) [system] char_type(')', 'white')
   Fail: (221) [system] char_type(')', 'white')
   Call: (221) [system] char_type(')', end_of_line)
   Fail: (221) [system] char_type(')', end_of_line)
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] char_type(')', cntrl)
   Fail: (221) [system] char_type(')', cntrl)
^  Fail: (220) [user] is_like_space(')')
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _1624118)
   Exit: (219) [system] peek_char((0x563acd73bee0), ')')
   Call: (219) [system] ')'=')'
   Exit: (219) [system] ')'=')'
   Call: (219) [system] get_char((0x563acd73bee0), _1627908)
   Exit: (219) [system] get_char((0x563acd73bee0), ')')
   Call: (219) [system] _1606250=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_list(')', (0x563acd73bee0), [])
   Call: (218) [system] _1507040=['B']
   Exit: (218) [system] ['B']=['B']
^  Exit: (217) [user] read_list(')', (0x563acd73bee0), ['B'])
   Call: (217) [system] _604540=[['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']
   Exit: (217) [system] [['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']=[['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']
^  Exit: (216) [user] read_list(')', (0x563acd73bee0), [['Implication', ['OrLink', 'C', 'D'], 'E'], 'B'])
   Call: (216) [system] _415194=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']
   Exit: (216) [system] ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']
^  Exit: (215) [user] read_list(')', (0x563acd73bee0), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B'])
^  Exit: (214) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B'])
^  Call: (214) [user] read_list(')', (0x563acd73bee0), _1641790)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1643648)
   Exit: (216) [system] peek_char((0x563acd73bee0), ')')
   Call: (216) [system] ')'=(;)
   Fail: (216) [system] ')'=(;)
   Call: (216) [system] ')'=(/)
   Fail: (216) [system] ')'=(/)
^  Call: (216) [user] is_like_space(')')
   Call: (217) [system] char_type(')', 'white')
   Fail: (217) [system] char_type(')', 'white')
   Call: (217) [system] char_type(')', end_of_line)
   Fail: (217) [system] char_type(')', end_of_line)
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] char_type(')', cntrl)
   Fail: (217) [system] char_type(')', cntrl)
^  Fail: (216) [user] is_like_space(')')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1659658)
   Exit: (215) [system] peek_char((0x563acd73bee0), ')')
   Call: (215) [system] ')'=')'
   Exit: (215) [system] ')'=')'
   Call: (215) [system] get_char((0x563acd73bee0), _1663448)
   Exit: (215) [system] get_char((0x563acd73bee0), ')')
   Call: (215) [system] _1641790=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_list(')', (0x563acd73bee0), [])
   Call: (214) [system] _378534=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
   Exit: (214) [system] [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
^  Exit: (213) [user] read_list(')', (0x563acd73bee0), [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']])
   Call: (213) [system] _5698=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
   Exit: (213) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
^  Exit: (212) [user] read_list(')', (0x563acd73bee0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']])
   Call: (212) [system] _5690=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
   Exit: (212) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
^  Exit: (211) [user] read_list(')', (0x563acd73bee0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']])
^  Exit: (210) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']])
^  Call: (210) [user] read_list(')', (0x563acd73bee0), _1677330)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1679188)
   Exit: (212) [system] peek_char((0x563acd73bee0), ')')
   Call: (212) [system] ')'=(;)
   Fail: (212) [system] ')'=(;)
   Call: (212) [system] ')'=(/)
   Fail: (212) [system] ')'=(/)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Fail: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Fail: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
   Fail: (213) [system] char_type(')', cntrl)
^  Fail: (212) [user] is_like_space(')')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1695198)
   Exit: (211) [system] peek_char((0x563acd73bee0), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x563acd73bee0), _1698988)
   Exit: (211) [system] get_char((0x563acd73bee0), ')')
   Call: (211) [system] _1677330=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x563acd73bee0), [])
   Call: (210) [system] _5686=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]]
   Exit: (210) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]]
^  Exit: (209) [user] read_list(')', (0x563acd73bee0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]])
   Call: (209) [system] _5644=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]]
   Exit: (209) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]]
^  Exit: (208) [user] read_list(')', (0x563acd73bee0), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]])
   Call: (208) [system] _5636=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]]
   Exit: (208) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]]
^  Exit: (207) [user] read_list(')', (0x563acd73bee0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]])
^  Exit: (206) [user] cont_sexpr(')', (0x563acd73bee0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]])
^  Call: (206) [user] read_list(')', (0x563acd73bee0), _1712870)
^  Call: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _1714728)
   Exit: (208) [system] peek_char((0x563acd73bee0), '\n')
   Call: (208) [system] '\n'=(;)
   Fail: (208) [system] '\n'=(;)
   Call: (208) [system] '\n'=(/)
   Fail: (208) [system] '\n'=(/)
^  Call: (208) [user] is_like_space('\n')
   Call: (209) [system] char_type('\n', 'white')
   Fail: (209) [system] char_type('\n', 'white')
   Call: (209) [system] char_type('\n', end_of_line)
   Exit: (209) [system] char_type('\n', end_of_line)
^  Exit: (208) [user] is_like_space('\n')
   Call: (208) [system] get_char((0x563acd73bee0), _1726178)
   Exit: (208) [system] get_char((0x563acd73bee0), '\n')
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1728882)
   Exit: (209) [system] peek_char((0x563acd73bee0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
   Call: (209) [system] ' '=(/)
   Fail: (209) [system] ' '=(/)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x563acd73bee0), _1738476)
   Exit: (209) [system] get_char((0x563acd73bee0), ' ')
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1741180)
   Exit: (210) [system] peek_char((0x563acd73bee0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
^  Exit: (207) [user] skip_spaces((0x563acd73bee0))
   Call: (207) [system] peek_char((0x563acd73bee0), _1759038)
   Exit: (207) [system] peek_char((0x563acd73bee0), '(')
   Call: (207) [system] '('=')'
   Fail: (207) [system] '('=')'
   Call: (207) [system] '('=end_of_file
   Fail: (207) [system] '('=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x563acd73bee0), _1764608)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1766466)
   Exit: (209) [system] peek_char((0x563acd73bee0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
   Call: (209) [system] '('=(/)
   Fail: (209) [system] '('=(/)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] get_char((0x563acd73bee0), _1782476)
   Exit: (208) [system] get_char((0x563acd73bee0), '(')
   Call: (208) [system] '('='('
   Exit: (208) [system] '('='('
^  Call: (208) [user] read_list(')', (0x563acd73bee0), _1764608)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1788046)
   Exit: (210) [system] peek_char((0x563acd73bee0), :)
   Call: (210) [system] (:)=(;)
   Fail: (210) [system] (:)=(;)
   Call: (210) [system] (:)=(/)
   Fail: (210) [system] (:)=(/)
^  Call: (210) [user] is_like_space(:)
   Call: (211) [system] char_type(:, 'white')
   Fail: (211) [system] char_type(:, 'white')
   Call: (211) [system] char_type(:, end_of_line)
   Fail: (211) [system] char_type(:, end_of_line)
   Call: (211) [system] char_type(:, space)
   Fail: (211) [system] char_type(:, space)
   Call: (211) [system] char_type(:, cntrl)
   Fail: (211) [system] char_type(:, cntrl)
^  Fail: (210) [user] is_like_space(:)
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _1804056)
   Exit: (209) [system] peek_char((0x563acd73bee0), :)
   Call: (209) [system] (:)=')'
   Fail: (209) [system] (:)=')'
   Call: (209) [system] (:)=end_of_file
   Fail: (209) [system] (:)=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x563acd73bee0), _1809626)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1811484)
   Exit: (211) [system] peek_char((0x563acd73bee0), :)
   Call: (211) [system] (:)=(;)
   Fail: (211) [system] (:)=(;)
   Call: (211) [system] (:)=(/)
   Fail: (211) [system] (:)=(/)
^  Call: (211) [user] is_like_space(:)
   Call: (212) [system] char_type(:, 'white')
   Fail: (212) [system] char_type(:, 'white')
   Call: (212) [system] char_type(:, end_of_line)
   Fail: (212) [system] char_type(:, end_of_line)
   Call: (212) [system] char_type(:, space)
   Fail: (212) [system] char_type(:, space)
   Call: (212) [system] char_type(:, cntrl)
   Fail: (212) [system] char_type(:, cntrl)
^  Fail: (211) [user] is_like_space(:)
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] get_char((0x563acd73bee0), _1827494)
   Exit: (210) [system] get_char((0x563acd73bee0), :)
   Call: (210) [system] (:)='('
   Fail: (210) [system] (:)='('
   Call: (210) [system] (:)='['
   Fail: (210) [system] (:)='['
   Call: (210) [system] (:)='{'
   Fail: (210) [system] (:)='{'
   Call: (210) [system] (:)='"'
   Fail: (210) [system] (:)='"'
   Call: (210) [system] (:)=!
   Fail: (210) [system] (:)=!
   Call: (210) [system] (:)='\''
   Fail: (210) [system] (:)='\''
   Call: (210) [system] (:)='`'
   Fail: (210) [system] (:)='`'
   Call: (210) [system] (:)=end_of_file
   Fail: (210) [system] (:)=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x563acd73bee0), :, _1809626)
^  Call: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), _1845136)
   Call: (212) [system] peek_char((0x563acd73bee0), _1846070)
   Exit: (212) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _1845136=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (211) [user] classify_and_convert_charseq([:], _1809626)
^  Call: (212) [user] classify_and_convert_charseq_([:], _1855354)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_1856306, _1856308), once(user:catch(read_from_chars([:], _1855354), _1856288, fail)), '$restore_trace'(_1856306, _1856308))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_1856306, _1856308))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1856288, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(:)
   Exit: (213) [system] atomic(:)
^  Exit: (212) [user] classify_and_convert_charseq_([:], :)
   Call: (212) [system] integer(:)
   Fail: (212) [system] integer(:)
   Call: (212) [system] _1809626=(:)
   Exit: (212) [system] (:)=(:)
^  Exit: (211) [user] classify_and_convert_charseq([:], :)
^  Exit: (210) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (209) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (209) [user] read_list(')', (0x563acd73bee0), _1868434)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1870292)
   Exit: (211) [system] peek_char((0x563acd73bee0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x563acd73bee0), _1879886)
   Exit: (211) [system] get_char((0x563acd73bee0), ' ')
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1882590)
   Exit: (212) [system] peek_char((0x563acd73bee0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _1899524)
   Exit: (210) [system] peek_char((0x563acd73bee0), '(')
   Call: (210) [system] '('=')'
   Fail: (210) [system] '('=')'
   Call: (210) [system] '('=end_of_file
   Fail: (210) [system] '('=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x563acd73bee0), _1905094)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1906952)
   Exit: (212) [system] peek_char((0x563acd73bee0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] get_char((0x563acd73bee0), _1922962)
   Exit: (211) [system] get_char((0x563acd73bee0), '(')
   Call: (211) [system] '('='('
   Exit: (211) [system] '('='('
^  Call: (211) [user] read_list(')', (0x563acd73bee0), _1905094)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1928532)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'D')
   Call: (213) [system] 'D'=(;)
   Fail: (213) [system] 'D'=(;)
   Call: (213) [system] 'D'=(/)
   Fail: (213) [system] 'D'=(/)
^  Call: (213) [user] is_like_space('D')
   Call: (214) [system] char_type('D', 'white')
   Fail: (214) [system] char_type('D', 'white')
   Call: (214) [system] char_type('D', end_of_line)
   Fail: (214) [system] char_type('D', end_of_line)
   Call: (214) [system] char_type('D', space)
   Fail: (214) [system] char_type('D', space)
   Call: (214) [system] char_type('D', cntrl)
   Fail: (214) [system] char_type('D', cntrl)
^  Fail: (213) [user] is_like_space('D')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1944542)
   Exit: (212) [system] peek_char((0x563acd73bee0), 'D')
   Call: (212) [system] 'D'=')'
   Fail: (212) [system] 'D'=')'
   Call: (212) [system] 'D'=end_of_file
   Fail: (212) [system] 'D'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x563acd73bee0), _1950112)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1951970)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'D')
   Call: (214) [system] 'D'=(;)
   Fail: (214) [system] 'D'=(;)
   Call: (214) [system] 'D'=(/)
   Fail: (214) [system] 'D'=(/)
^  Call: (214) [user] is_like_space('D')
   Call: (215) [system] char_type('D', 'white')
   Fail: (215) [system] char_type('D', 'white')
   Call: (215) [system] char_type('D', end_of_line)
   Fail: (215) [system] char_type('D', end_of_line)
   Call: (215) [system] char_type('D', space)
   Fail: (215) [system] char_type('D', space)
   Call: (215) [system] char_type('D', cntrl)
   Fail: (215) [system] char_type('D', cntrl)
^  Fail: (214) [user] is_like_space('D')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] get_char((0x563acd73bee0), _1967980)
   Exit: (213) [system] get_char((0x563acd73bee0), 'D')
   Call: (213) [system] 'D'='('
   Fail: (213) [system] 'D'='('
   Call: (213) [system] 'D'='['
   Fail: (213) [system] 'D'='['
   Call: (213) [system] 'D'='{'
   Fail: (213) [system] 'D'='{'
   Call: (213) [system] 'D'='"'
   Fail: (213) [system] 'D'='"'
   Call: (213) [system] 'D'=!
   Fail: (213) [system] 'D'=!
   Call: (213) [system] 'D'='\''
   Fail: (213) [system] 'D'='\''
   Call: (213) [system] 'D'='`'
   Fail: (213) [system] 'D'='`'
   Call: (213) [system] 'D'=end_of_file
   Fail: (213) [system] 'D'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x563acd73bee0), 'D', _1950112)
^  Call: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), _1985622)
   Call: (215) [system] peek_char((0x563acd73bee0), _1986556)
   Exit: (215) [system] peek_char((0x563acd73bee0), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Fail: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_1991276, v('(', ')', end_of_file), i)
   Fail: (216) [system] arg(_1992208, v('(', ')', end_of_file), i)
^  Fail: (215) [user] is_delimiter(i)
   Call: (215) [system] ')'==i
   Fail: (215) [system] ')'==i
   Call: (215) [system] get_char((0x563acd73bee0), i)
   Exit: (215) [system] get_char((0x563acd73bee0), i)
   Call: (215) [system] i=(\)
   Fail: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _1999558)
   Call: (216) [system] peek_char((0x563acd73bee0), _2000492)
   Exit: (216) [system] peek_char((0x563acd73bee0), s)
^  Call: (216) [user] is_delimiter(s)
   Call: (217) [system] char_type(s, space)
   Fail: (217) [system] char_type(s, space)
   Call: (217) [system] arg(_2005212, v('(', ')', end_of_file), s)
   Fail: (217) [system] arg(_2006144, v('(', ')', end_of_file), s)
^  Fail: (216) [user] is_delimiter(s)
   Call: (216) [system] ')'==s
   Fail: (216) [system] ')'==s
   Call: (216) [system] get_char((0x563acd73bee0), s)
   Exit: (216) [system] get_char((0x563acd73bee0), s)
   Call: (216) [system] s=(\)
   Fail: (216) [system] s=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _2013494)
   Call: (217) [system] peek_char((0x563acd73bee0), _2014428)
   Exit: (217) [system] peek_char((0x563acd73bee0), j)
^  Call: (217) [user] is_delimiter(j)
   Call: (218) [system] char_type(j, space)
   Fail: (218) [system] char_type(j, space)
   Call: (218) [system] arg(_2019148, v('(', ')', end_of_file), j)
   Fail: (218) [system] arg(_2020080, v('(', ')', end_of_file), j)
^  Fail: (217) [user] is_delimiter(j)
   Call: (217) [system] ')'==j
   Fail: (217) [system] ')'==j
   Call: (217) [system] get_char((0x563acd73bee0), j)
   Exit: (217) [system] get_char((0x563acd73bee0), j)
   Call: (217) [system] j=(\)
   Fail: (217) [system] j=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _2027430)
   Call: (218) [system] peek_char((0x563acd73bee0), _2028364)
   Exit: (218) [system] peek_char((0x563acd73bee0), u)
^  Call: (218) [user] is_delimiter(u)
   Call: (219) [system] char_type(u, space)
   Fail: (219) [system] char_type(u, space)
   Call: (219) [system] arg(_2033084, v('(', ')', end_of_file), u)
   Fail: (219) [system] arg(_2034016, v('(', ')', end_of_file), u)
^  Fail: (218) [user] is_delimiter(u)
   Call: (218) [system] ')'==u
   Fail: (218) [system] ')'==u
   Call: (218) [system] get_char((0x563acd73bee0), u)
   Exit: (218) [system] get_char((0x563acd73bee0), u)
   Call: (218) [system] u=(\)
   Fail: (218) [system] u=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _2041366)
   Call: (219) [system] peek_char((0x563acd73bee0), _2042300)
   Exit: (219) [system] peek_char((0x563acd73bee0), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_2047020, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_2047952, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x563acd73bee0), n)
   Exit: (219) [system] get_char((0x563acd73bee0), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _2055302)
   Call: (220) [system] peek_char((0x563acd73bee0), _2056236)
   Exit: (220) [system] peek_char((0x563acd73bee0), c)
^  Call: (220) [user] is_delimiter(c)
   Call: (221) [system] char_type(c, space)
   Fail: (221) [system] char_type(c, space)
   Call: (221) [system] arg(_2060956, v('(', ')', end_of_file), c)
   Fail: (221) [system] arg(_2061888, v('(', ')', end_of_file), c)
^  Fail: (220) [user] is_delimiter(c)
   Call: (220) [system] ')'==c
   Fail: (220) [system] ')'==c
   Call: (220) [system] get_char((0x563acd73bee0), c)
   Exit: (220) [system] get_char((0x563acd73bee0), c)
   Call: (220) [system] c=(\)
   Fail: (220) [system] c=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _2069238)
   Call: (221) [system] peek_char((0x563acd73bee0), _2070172)
   Exit: (221) [system] peek_char((0x563acd73bee0), t)
^  Call: (221) [user] is_delimiter(t)
   Call: (222) [system] char_type(t, space)
   Fail: (222) [system] char_type(t, space)
   Call: (222) [system] arg(_2074892, v('(', ')', end_of_file), t)
   Fail: (222) [system] arg(_2075824, v('(', ')', end_of_file), t)
^  Fail: (221) [user] is_delimiter(t)
   Call: (221) [system] ')'==t
   Fail: (221) [system] ')'==t
   Call: (221) [system] get_char((0x563acd73bee0), t)
   Exit: (221) [system] get_char((0x563acd73bee0), t)
   Call: (221) [system] t=(\)
   Fail: (221) [system] t=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _2083174)
   Call: (222) [system] peek_char((0x563acd73bee0), _2084108)
   Exit: (222) [system] peek_char((0x563acd73bee0), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_2088828, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_2089760, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x563acd73bee0), i)
   Exit: (222) [system] get_char((0x563acd73bee0), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _6210)
   Call: (223) [system] peek_char((0x563acd73bee0), _7144)
   Exit: (223) [system] peek_char((0x563acd73bee0), o)
^  Call: (223) [user] is_delimiter(o)
   Call: (224) [system] char_type(o, space)
   Fail: (224) [system] char_type(o, space)
   Call: (224) [system] arg(_11864, v('(', ')', end_of_file), o)
   Fail: (224) [system] arg(_12796, v('(', ')', end_of_file), o)
^  Fail: (223) [user] is_delimiter(o)
   Call: (223) [system] ')'==o
   Fail: (223) [system] ')'==o
   Call: (223) [system] get_char((0x563acd73bee0), o)
   Exit: (223) [system] get_char((0x563acd73bee0), o)
   Call: (223) [system] o=(\)
   Fail: (223) [system] o=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _20146)
   Call: (224) [system] peek_char((0x563acd73bee0), _21080)
   Exit: (224) [system] peek_char((0x563acd73bee0), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_25800, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_26732, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x563acd73bee0), n)
   Exit: (224) [system] get_char((0x563acd73bee0), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _34082)
   Call: (225) [system] peek_char((0x563acd73bee0), _35016)
   Exit: (225) [system] peek_char((0x563acd73bee0), 'I')
^  Call: (225) [user] is_delimiter('I')
   Call: (226) [system] char_type('I', space)
   Fail: (226) [system] char_type('I', space)
   Call: (226) [system] arg(_39736, v('(', ')', end_of_file), 'I')
   Fail: (226) [system] arg(_40668, v('(', ')', end_of_file), 'I')
^  Fail: (225) [user] is_delimiter('I')
   Call: (225) [system] ')'=='I'
   Fail: (225) [system] ')'=='I'
   Call: (225) [system] get_char((0x563acd73bee0), 'I')
   Exit: (225) [system] get_char((0x563acd73bee0), 'I')
   Call: (225) [system] 'I'=(\)
   Fail: (225) [system] 'I'=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _48018)
   Call: (226) [system] peek_char((0x563acd73bee0), _48952)
   Exit: (226) [system] peek_char((0x563acd73bee0), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_53672, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_54604, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x563acd73bee0), n)
   Exit: (226) [system] get_char((0x563acd73bee0), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _61954)
   Call: (227) [system] peek_char((0x563acd73bee0), _62888)
   Exit: (227) [system] peek_char((0x563acd73bee0), t)
^  Call: (227) [user] is_delimiter(t)
   Call: (228) [system] char_type(t, space)
   Fail: (228) [system] char_type(t, space)
   Call: (228) [system] arg(_67608, v('(', ')', end_of_file), t)
   Fail: (228) [system] arg(_68540, v('(', ')', end_of_file), t)
^  Fail: (227) [user] is_delimiter(t)
   Call: (227) [system] ')'==t
   Fail: (227) [system] ')'==t
   Call: (227) [system] get_char((0x563acd73bee0), t)
   Exit: (227) [system] get_char((0x563acd73bee0), t)
   Call: (227) [system] t=(\)
   Fail: (227) [system] t=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _75890)
   Call: (228) [system] peek_char((0x563acd73bee0), _76824)
   Exit: (228) [system] peek_char((0x563acd73bee0), r)
^  Call: (228) [user] is_delimiter(r)
   Call: (229) [system] char_type(r, space)
   Fail: (229) [system] char_type(r, space)
   Call: (229) [system] arg(_81544, v('(', ')', end_of_file), r)
   Fail: (229) [system] arg(_82476, v('(', ')', end_of_file), r)
^  Fail: (228) [user] is_delimiter(r)
   Call: (228) [system] ')'==r
   Fail: (228) [system] ')'==r
   Call: (228) [system] get_char((0x563acd73bee0), r)
   Exit: (228) [system] get_char((0x563acd73bee0), r)
   Call: (228) [system] r=(\)
   Fail: (228) [system] r=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _89826)
   Call: (229) [system] peek_char((0x563acd73bee0), _90760)
   Exit: (229) [system] peek_char((0x563acd73bee0), o)
^  Call: (229) [user] is_delimiter(o)
   Call: (230) [system] char_type(o, space)
   Fail: (230) [system] char_type(o, space)
   Call: (230) [system] arg(_95480, v('(', ')', end_of_file), o)
   Fail: (230) [system] arg(_96412, v('(', ')', end_of_file), o)
^  Fail: (229) [user] is_delimiter(o)
   Call: (229) [system] ')'==o
   Fail: (229) [system] ')'==o
   Call: (229) [system] get_char((0x563acd73bee0), o)
   Exit: (229) [system] get_char((0x563acd73bee0), o)
   Call: (229) [system] o=(\)
   Fail: (229) [system] o=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _103762)
   Call: (230) [system] peek_char((0x563acd73bee0), _104696)
   Exit: (230) [system] peek_char((0x563acd73bee0), d)
^  Call: (230) [user] is_delimiter(d)
   Call: (231) [system] char_type(d, space)
   Fail: (231) [system] char_type(d, space)
   Call: (231) [system] arg(_109416, v('(', ')', end_of_file), d)
   Fail: (231) [system] arg(_110348, v('(', ')', end_of_file), d)
^  Fail: (230) [user] is_delimiter(d)
   Call: (230) [system] ')'==d
   Fail: (230) [system] ')'==d
   Call: (230) [system] get_char((0x563acd73bee0), d)
   Exit: (230) [system] get_char((0x563acd73bee0), d)
   Call: (230) [system] d=(\)
   Fail: (230) [system] d=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _117698)
   Call: (231) [system] peek_char((0x563acd73bee0), _118632)
   Exit: (231) [system] peek_char((0x563acd73bee0), u)
^  Call: (231) [user] is_delimiter(u)
   Call: (232) [system] char_type(u, space)
   Fail: (232) [system] char_type(u, space)
   Call: (232) [system] arg(_123352, v('(', ')', end_of_file), u)
   Fail: (232) [system] arg(_124284, v('(', ')', end_of_file), u)
^  Fail: (231) [user] is_delimiter(u)
   Call: (231) [system] ')'==u
   Fail: (231) [system] ')'==u
   Call: (231) [system] get_char((0x563acd73bee0), u)
   Exit: (231) [system] get_char((0x563acd73bee0), u)
   Call: (231) [system] u=(\)
   Fail: (231) [system] u=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _131634)
   Call: (232) [system] peek_char((0x563acd73bee0), _132568)
   Exit: (232) [system] peek_char((0x563acd73bee0), c)
^  Call: (232) [user] is_delimiter(c)
   Call: (233) [system] char_type(c, space)
   Fail: (233) [system] char_type(c, space)
   Call: (233) [system] arg(_137288, v('(', ')', end_of_file), c)
   Fail: (233) [system] arg(_138220, v('(', ')', end_of_file), c)
^  Fail: (232) [user] is_delimiter(c)
   Call: (232) [system] ')'==c
   Fail: (232) [system] ')'==c
   Call: (232) [system] get_char((0x563acd73bee0), c)
   Exit: (232) [system] get_char((0x563acd73bee0), c)
   Call: (232) [system] c=(\)
   Fail: (232) [system] c=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _145570)
   Call: (233) [system] peek_char((0x563acd73bee0), _146504)
   Exit: (233) [system] peek_char((0x563acd73bee0), t)
^  Call: (233) [user] is_delimiter(t)
   Call: (234) [system] char_type(t, space)
   Fail: (234) [system] char_type(t, space)
   Call: (234) [system] arg(_151224, v('(', ')', end_of_file), t)
   Fail: (234) [system] arg(_152156, v('(', ')', end_of_file), t)
^  Fail: (233) [user] is_delimiter(t)
   Call: (233) [system] ')'==t
   Fail: (233) [system] ')'==t
   Call: (233) [system] get_char((0x563acd73bee0), t)
   Exit: (233) [system] get_char((0x563acd73bee0), t)
   Call: (233) [system] t=(\)
   Fail: (233) [system] t=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), _159506)
   Call: (234) [system] peek_char((0x563acd73bee0), _160440)
   Exit: (234) [system] peek_char((0x563acd73bee0), i)
^  Call: (234) [user] is_delimiter(i)
   Call: (235) [system] char_type(i, space)
   Fail: (235) [system] char_type(i, space)
   Call: (235) [system] arg(_165160, v('(', ')', end_of_file), i)
   Fail: (235) [system] arg(_166092, v('(', ')', end_of_file), i)
^  Fail: (234) [user] is_delimiter(i)
   Call: (234) [system] ')'==i
   Fail: (234) [system] ')'==i
   Call: (234) [system] get_char((0x563acd73bee0), i)
   Exit: (234) [system] get_char((0x563acd73bee0), i)
   Call: (234) [system] i=(\)
   Fail: (234) [system] i=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), _173442)
   Call: (235) [system] peek_char((0x563acd73bee0), _174376)
   Exit: (235) [system] peek_char((0x563acd73bee0), o)
^  Call: (235) [user] is_delimiter(o)
   Call: (236) [system] char_type(o, space)
   Fail: (236) [system] char_type(o, space)
   Call: (236) [system] arg(_179096, v('(', ')', end_of_file), o)
   Fail: (236) [system] arg(_180028, v('(', ')', end_of_file), o)
^  Fail: (235) [user] is_delimiter(o)
   Call: (235) [system] ')'==o
   Fail: (235) [system] ')'==o
   Call: (235) [system] get_char((0x563acd73bee0), o)
   Exit: (235) [system] get_char((0x563acd73bee0), o)
   Call: (235) [system] o=(\)
   Fail: (235) [system] o=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), _187378)
   Call: (236) [system] peek_char((0x563acd73bee0), _188312)
   Exit: (236) [system] peek_char((0x563acd73bee0), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Fail: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_193032, v('(', ')', end_of_file), n)
   Fail: (237) [system] arg(_193964, v('(', ')', end_of_file), n)
^  Fail: (236) [user] is_delimiter(n)
   Call: (236) [system] ')'==n
   Fail: (236) [system] ')'==n
   Call: (236) [system] get_char((0x563acd73bee0), n)
   Exit: (236) [system] get_char((0x563acd73bee0), n)
   Call: (236) [system] n=(\)
   Fail: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), _201314)
   Call: (237) [system] peek_char((0x563acd73bee0), _202248)
   Exit: (237) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (237) [user] is_delimiter(' ')
   Call: (238) [system] char_type(' ', space)
   Exit: (238) [system] char_type(' ', space)
^  Exit: (237) [user] is_delimiter(' ')
   Call: (237) [system] _201314=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (236) [system] _187378=[n]
   Exit: (236) [system] [n]=[n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (235) [system] _173442=[o, n]
   Exit: (235) [system] [o, n]=[o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (234) [system] _159506=[i, o, n]
   Exit: (234) [system] [i, o, n]=[i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (233) [system] _145570=[t, i, o, n]
   Exit: (233) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (232) [system] _131634=[c, t, i, o, n]
   Exit: (232) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n])
   Call: (231) [system] _117698=[u, c, t, i, o, n]
   Exit: (231) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, i, o, n])
   Call: (230) [system] _103762=[d, u, c, t, i, o, n]
   Exit: (230) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, u, c, t, i, o, n])
   Call: (229) [system] _89826=[o, d, u, c, t, i, o, n]
   Exit: (229) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, d, u, c, t, i, o, n])
   Call: (228) [system] _75890=[r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _61954=[t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _48018=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _34082=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _20146=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _6210=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _5854=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _5850=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _5846=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _5842=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _5838=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _5834=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _5830=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _5826=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (214) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _5822)
^  Call: (215) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _273000)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_273952, _273954), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _273000), _273934, fail)), '$restore_trace'(_273952, _273954))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_273952, _273954))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _273000), _273934, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_273000)
   Fail: (216) [system] atomic(_273000)
   Call: (216) [system] atom_chars(_273000, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (216) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (215) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (215) [system] integer('DisjunctionIntroduction')
   Fail: (215) [system] integer('DisjunctionIntroduction')
   Call: (215) [system] _5822='DisjunctionIntroduction'
   Exit: (215) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (214) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (213) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'DisjunctionIntroduction')
^  Exit: (212) [user] cont_sexpr(')', (0x563acd73bee0), 'DisjunctionIntroduction')
^  Call: (212) [user] read_list(')', (0x563acd73bee0), _287950)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _289808)
   Exit: (214) [system] peek_char((0x563acd73bee0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
   Call: (214) [system] ' '=(/)
   Fail: (214) [system] ' '=(/)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x563acd73bee0), _299402)
   Exit: (214) [system] get_char((0x563acd73bee0), ' ')
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _302106)
   Exit: (215) [system] peek_char((0x563acd73bee0), a)
   Call: (215) [system] a=(;)
   Fail: (215) [system] a=(;)
   Call: (215) [system] a=(/)
   Fail: (215) [system] a=(/)
^  Call: (215) [user] is_like_space(a)
   Call: (216) [system] char_type(a, 'white')
   Fail: (216) [system] char_type(a, 'white')
   Call: (216) [system] char_type(a, end_of_line)
   Fail: (216) [system] char_type(a, end_of_line)
   Call: (216) [system] char_type(a, space)
   Fail: (216) [system] char_type(a, space)
   Call: (216) [system] char_type(a, cntrl)
   Fail: (216) [system] char_type(a, cntrl)
^  Fail: (215) [user] is_like_space(a)
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _319040)
   Exit: (213) [system] peek_char((0x563acd73bee0), a)
   Call: (213) [system] a=')'
   Fail: (213) [system] a=')'
   Call: (213) [system] a=end_of_file
   Fail: (213) [system] a=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x563acd73bee0), _324610)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _326468)
   Exit: (215) [system] peek_char((0x563acd73bee0), a)
   Call: (215) [system] a=(;)
   Fail: (215) [system] a=(;)
   Call: (215) [system] a=(/)
   Fail: (215) [system] a=(/)
^  Call: (215) [user] is_like_space(a)
   Call: (216) [system] char_type(a, 'white')
   Fail: (216) [system] char_type(a, 'white')
   Call: (216) [system] char_type(a, end_of_line)
   Fail: (216) [system] char_type(a, end_of_line)
   Call: (216) [system] char_type(a, space)
   Fail: (216) [system] char_type(a, space)
   Call: (216) [system] char_type(a, cntrl)
   Fail: (216) [system] char_type(a, cntrl)
^  Fail: (215) [user] is_like_space(a)
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] get_char((0x563acd73bee0), _342478)
   Exit: (214) [system] get_char((0x563acd73bee0), a)
   Call: (214) [system] a='('
   Fail: (214) [system] a='('
   Call: (214) [system] a='['
   Fail: (214) [system] a='['
   Call: (214) [system] a='{'
   Fail: (214) [system] a='{'
   Call: (214) [system] a='"'
   Fail: (214) [system] a='"'
   Call: (214) [system] a=!
   Fail: (214) [system] a=!
   Call: (214) [system] a='\''
   Fail: (214) [system] a='\''
   Call: (214) [system] a='`'
   Fail: (214) [system] a='`'
   Call: (214) [system] a=end_of_file
   Fail: (214) [system] a=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x563acd73bee0), a, _324610)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _360120)
   Call: (216) [system] peek_char((0x563acd73bee0), _361054)
   Exit: (216) [system] peek_char((0x563acd73bee0), b)
^  Call: (216) [user] is_delimiter(b)
   Call: (217) [system] char_type(b, space)
   Fail: (217) [system] char_type(b, space)
   Call: (217) [system] arg(_365774, v('(', ')', end_of_file), b)
   Fail: (217) [system] arg(_366706, v('(', ')', end_of_file), b)
^  Fail: (216) [user] is_delimiter(b)
   Call: (216) [system] ')'==b
   Fail: (216) [system] ')'==b
   Call: (216) [system] get_char((0x563acd73bee0), b)
   Exit: (216) [system] get_char((0x563acd73bee0), b)
   Call: (216) [system] b=(\)
   Fail: (216) [system] b=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _374056)
   Call: (217) [system] peek_char((0x563acd73bee0), _374990)
   Exit: (217) [system] peek_char((0x563acd73bee0), c)
^  Call: (217) [user] is_delimiter(c)
   Call: (218) [system] char_type(c, space)
   Fail: (218) [system] char_type(c, space)
   Call: (218) [system] arg(_379710, v('(', ')', end_of_file), c)
   Fail: (218) [system] arg(_380642, v('(', ')', end_of_file), c)
^  Fail: (217) [user] is_delimiter(c)
   Call: (217) [system] ')'==c
   Fail: (217) [system] ')'==c
   Call: (217) [system] get_char((0x563acd73bee0), c)
   Exit: (217) [system] get_char((0x563acd73bee0), c)
   Call: (217) [system] c=(\)
   Fail: (217) [system] c=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _387992)
   Call: (218) [system] peek_char((0x563acd73bee0), _388926)
   Exit: (218) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _387992=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (217) [system] _374056=[c]
   Exit: (217) [system] [c]=[c]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [c])
   Call: (216) [system] _360120=[b, c]
   Exit: (216) [system] [b, c]=[b, c]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [b, c])
^  Call: (215) [user] classify_and_convert_charseq([a, b, c], _324610)
^  Call: (216) [user] classify_and_convert_charseq_([a, b, c], _403798)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_404750, _404752), once(user:catch(read_from_chars([a, b, c], _403798), _404732, fail)), '$restore_trace'(_404750, _404752))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_404750, _404752))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _404732, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(abc)
   Exit: (217) [system] atomic(abc)
^  Exit: (216) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (216) [system] integer(abc)
   Fail: (216) [system] integer(abc)
   Call: (216) [system] _324610=abc
   Exit: (216) [system] abc=abc
^  Exit: (215) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (214) [user] read_symbolic(')', (0x563acd73bee0), a, abc)
^  Exit: (213) [user] cont_sexpr(')', (0x563acd73bee0), abc)
^  Call: (213) [user] read_list(')', (0x563acd73bee0), _416878)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _418736)
   Exit: (215) [system] peek_char((0x563acd73bee0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x563acd73bee0), _428330)
   Exit: (215) [system] get_char((0x563acd73bee0), ' ')
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _431034)
   Exit: (216) [system] peek_char((0x563acd73bee0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _447968)
   Exit: (214) [system] peek_char((0x563acd73bee0), '(')
   Call: (214) [system] '('=')'
   Fail: (214) [system] '('=')'
   Call: (214) [system] '('=end_of_file
   Fail: (214) [system] '('=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x563acd73bee0), _453538)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _455396)
   Exit: (216) [system] peek_char((0x563acd73bee0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] get_char((0x563acd73bee0), _471406)
   Exit: (215) [system] get_char((0x563acd73bee0), '(')
   Call: (215) [system] '('='('
   Exit: (215) [system] '('='('
^  Call: (215) [user] read_list(')', (0x563acd73bee0), _453538)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _476976)
   Exit: (217) [system] peek_char((0x563acd73bee0), 'D')
   Call: (217) [system] 'D'=(;)
   Fail: (217) [system] 'D'=(;)
   Call: (217) [system] 'D'=(/)
   Fail: (217) [system] 'D'=(/)
^  Call: (217) [user] is_like_space('D')
   Call: (218) [system] char_type('D', 'white')
   Fail: (218) [system] char_type('D', 'white')
   Call: (218) [system] char_type('D', end_of_line)
   Fail: (218) [system] char_type('D', end_of_line)
   Call: (218) [system] char_type('D', space)
   Fail: (218) [system] char_type('D', space)
   Call: (218) [system] char_type('D', cntrl)
   Fail: (218) [system] char_type('D', cntrl)
^  Fail: (217) [user] is_like_space('D')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _492986)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'D')
   Call: (216) [system] 'D'=')'
   Fail: (216) [system] 'D'=')'
   Call: (216) [system] 'D'=end_of_file
   Fail: (216) [system] 'D'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x563acd73bee0), _498556)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _500414)
   Exit: (218) [system] peek_char((0x563acd73bee0), 'D')
   Call: (218) [system] 'D'=(;)
   Fail: (218) [system] 'D'=(;)
   Call: (218) [system] 'D'=(/)
   Fail: (218) [system] 'D'=(/)
^  Call: (218) [user] is_like_space('D')
   Call: (219) [system] char_type('D', 'white')
   Fail: (219) [system] char_type('D', 'white')
   Call: (219) [system] char_type('D', end_of_line)
   Fail: (219) [system] char_type('D', end_of_line)
   Call: (219) [system] char_type('D', space)
   Fail: (219) [system] char_type('D', space)
   Call: (219) [system] char_type('D', cntrl)
   Fail: (219) [system] char_type('D', cntrl)
^  Fail: (218) [user] is_like_space('D')
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] get_char((0x563acd73bee0), _516424)
   Exit: (217) [system] get_char((0x563acd73bee0), 'D')
   Call: (217) [system] 'D'='('
   Fail: (217) [system] 'D'='('
   Call: (217) [system] 'D'='['
   Fail: (217) [system] 'D'='['
   Call: (217) [system] 'D'='{'
   Fail: (217) [system] 'D'='{'
   Call: (217) [system] 'D'='"'
   Fail: (217) [system] 'D'='"'
   Call: (217) [system] 'D'=!
   Fail: (217) [system] 'D'=!
   Call: (217) [system] 'D'='\''
   Fail: (217) [system] 'D'='\''
   Call: (217) [system] 'D'='`'
   Fail: (217) [system] 'D'='`'
   Call: (217) [system] 'D'=end_of_file
   Fail: (217) [system] 'D'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x563acd73bee0), 'D', _498556)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _534066)
   Call: (219) [system] peek_char((0x563acd73bee0), _535000)
   Exit: (219) [system] peek_char((0x563acd73bee0), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Fail: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_539720, v('(', ')', end_of_file), i)
   Fail: (220) [system] arg(_540652, v('(', ')', end_of_file), i)
^  Fail: (219) [user] is_delimiter(i)
   Call: (219) [system] ')'==i
   Fail: (219) [system] ')'==i
   Call: (219) [system] get_char((0x563acd73bee0), i)
   Exit: (219) [system] get_char((0x563acd73bee0), i)
   Call: (219) [system] i=(\)
   Fail: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _548002)
   Call: (220) [system] peek_char((0x563acd73bee0), _548936)
   Exit: (220) [system] peek_char((0x563acd73bee0), s)
^  Call: (220) [user] is_delimiter(s)
   Call: (221) [system] char_type(s, space)
   Fail: (221) [system] char_type(s, space)
   Call: (221) [system] arg(_553656, v('(', ')', end_of_file), s)
   Fail: (221) [system] arg(_554588, v('(', ')', end_of_file), s)
^  Fail: (220) [user] is_delimiter(s)
   Call: (220) [system] ')'==s
   Fail: (220) [system] ')'==s
   Call: (220) [system] get_char((0x563acd73bee0), s)
   Exit: (220) [system] get_char((0x563acd73bee0), s)
   Call: (220) [system] s=(\)
   Fail: (220) [system] s=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _561938)
   Call: (221) [system] peek_char((0x563acd73bee0), _562872)
   Exit: (221) [system] peek_char((0x563acd73bee0), j)
^  Call: (221) [user] is_delimiter(j)
   Call: (222) [system] char_type(j, space)
   Fail: (222) [system] char_type(j, space)
   Call: (222) [system] arg(_567592, v('(', ')', end_of_file), j)
   Fail: (222) [system] arg(_568524, v('(', ')', end_of_file), j)
^  Fail: (221) [user] is_delimiter(j)
   Call: (221) [system] ')'==j
   Fail: (221) [system] ')'==j
   Call: (221) [system] get_char((0x563acd73bee0), j)
   Exit: (221) [system] get_char((0x563acd73bee0), j)
   Call: (221) [system] j=(\)
   Fail: (221) [system] j=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _575874)
   Call: (222) [system] peek_char((0x563acd73bee0), _576808)
   Exit: (222) [system] peek_char((0x563acd73bee0), u)
^  Call: (222) [user] is_delimiter(u)
   Call: (223) [system] char_type(u, space)
   Fail: (223) [system] char_type(u, space)
   Call: (223) [system] arg(_581528, v('(', ')', end_of_file), u)
   Fail: (223) [system] arg(_582460, v('(', ')', end_of_file), u)
^  Fail: (222) [user] is_delimiter(u)
   Call: (222) [system] ')'==u
   Fail: (222) [system] ')'==u
   Call: (222) [system] get_char((0x563acd73bee0), u)
   Exit: (222) [system] get_char((0x563acd73bee0), u)
   Call: (222) [system] u=(\)
   Fail: (222) [system] u=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _589810)
   Call: (223) [system] peek_char((0x563acd73bee0), _590744)
   Exit: (223) [system] peek_char((0x563acd73bee0), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_595464, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_596396, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x563acd73bee0), n)
   Exit: (223) [system] get_char((0x563acd73bee0), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _603746)
   Call: (224) [system] peek_char((0x563acd73bee0), _604680)
   Exit: (224) [system] peek_char((0x563acd73bee0), c)
^  Call: (224) [user] is_delimiter(c)
   Call: (225) [system] char_type(c, space)
   Fail: (225) [system] char_type(c, space)
   Call: (225) [system] arg(_609400, v('(', ')', end_of_file), c)
   Fail: (225) [system] arg(_610332, v('(', ')', end_of_file), c)
^  Fail: (224) [user] is_delimiter(c)
   Call: (224) [system] ')'==c
   Fail: (224) [system] ')'==c
   Call: (224) [system] get_char((0x563acd73bee0), c)
   Exit: (224) [system] get_char((0x563acd73bee0), c)
   Call: (224) [system] c=(\)
   Fail: (224) [system] c=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _617682)
   Call: (225) [system] peek_char((0x563acd73bee0), _618616)
   Exit: (225) [system] peek_char((0x563acd73bee0), t)
^  Call: (225) [user] is_delimiter(t)
   Call: (226) [system] char_type(t, space)
   Fail: (226) [system] char_type(t, space)
   Call: (226) [system] arg(_623336, v('(', ')', end_of_file), t)
   Fail: (226) [system] arg(_624268, v('(', ')', end_of_file), t)
^  Fail: (225) [user] is_delimiter(t)
   Call: (225) [system] ')'==t
   Fail: (225) [system] ')'==t
   Call: (225) [system] get_char((0x563acd73bee0), t)
   Exit: (225) [system] get_char((0x563acd73bee0), t)
   Call: (225) [system] t=(\)
   Fail: (225) [system] t=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _631618)
   Call: (226) [system] peek_char((0x563acd73bee0), _632552)
   Exit: (226) [system] peek_char((0x563acd73bee0), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Fail: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_637272, v('(', ')', end_of_file), i)
   Fail: (227) [system] arg(_638204, v('(', ')', end_of_file), i)
^  Fail: (226) [user] is_delimiter(i)
   Call: (226) [system] ')'==i
   Fail: (226) [system] ')'==i
   Call: (226) [system] get_char((0x563acd73bee0), i)
   Exit: (226) [system] get_char((0x563acd73bee0), i)
   Call: (226) [system] i=(\)
   Fail: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _645554)
   Call: (227) [system] peek_char((0x563acd73bee0), _646488)
   Exit: (227) [system] peek_char((0x563acd73bee0), o)
^  Call: (227) [user] is_delimiter(o)
   Call: (228) [system] char_type(o, space)
   Fail: (228) [system] char_type(o, space)
   Call: (228) [system] arg(_651208, v('(', ')', end_of_file), o)
   Fail: (228) [system] arg(_652140, v('(', ')', end_of_file), o)
^  Fail: (227) [user] is_delimiter(o)
   Call: (227) [system] ')'==o
   Fail: (227) [system] ')'==o
   Call: (227) [system] get_char((0x563acd73bee0), o)
   Exit: (227) [system] get_char((0x563acd73bee0), o)
   Call: (227) [system] o=(\)
   Fail: (227) [system] o=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _659490)
   Call: (228) [system] peek_char((0x563acd73bee0), _660424)
   Exit: (228) [system] peek_char((0x563acd73bee0), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_665144, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_666076, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x563acd73bee0), n)
   Exit: (228) [system] get_char((0x563acd73bee0), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _673426)
   Call: (229) [system] peek_char((0x563acd73bee0), _674360)
   Exit: (229) [system] peek_char((0x563acd73bee0), 'I')
^  Call: (229) [user] is_delimiter('I')
   Call: (230) [system] char_type('I', space)
   Fail: (230) [system] char_type('I', space)
   Call: (230) [system] arg(_679080, v('(', ')', end_of_file), 'I')
   Fail: (230) [system] arg(_680012, v('(', ')', end_of_file), 'I')
^  Fail: (229) [user] is_delimiter('I')
   Call: (229) [system] ')'=='I'
   Fail: (229) [system] ')'=='I'
   Call: (229) [system] get_char((0x563acd73bee0), 'I')
   Exit: (229) [system] get_char((0x563acd73bee0), 'I')
   Call: (229) [system] 'I'=(\)
   Fail: (229) [system] 'I'=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _687362)
   Call: (230) [system] peek_char((0x563acd73bee0), _688296)
   Exit: (230) [system] peek_char((0x563acd73bee0), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_693016, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_693948, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x563acd73bee0), n)
   Exit: (230) [system] get_char((0x563acd73bee0), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _701298)
   Call: (231) [system] peek_char((0x563acd73bee0), _702232)
   Exit: (231) [system] peek_char((0x563acd73bee0), t)
^  Call: (231) [user] is_delimiter(t)
   Call: (232) [system] char_type(t, space)
   Fail: (232) [system] char_type(t, space)
   Call: (232) [system] arg(_706952, v('(', ')', end_of_file), t)
   Fail: (232) [system] arg(_707884, v('(', ')', end_of_file), t)
^  Fail: (231) [user] is_delimiter(t)
   Call: (231) [system] ')'==t
   Fail: (231) [system] ')'==t
   Call: (231) [system] get_char((0x563acd73bee0), t)
   Exit: (231) [system] get_char((0x563acd73bee0), t)
   Call: (231) [system] t=(\)
   Fail: (231) [system] t=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _715234)
   Call: (232) [system] peek_char((0x563acd73bee0), _716168)
   Exit: (232) [system] peek_char((0x563acd73bee0), r)
^  Call: (232) [user] is_delimiter(r)
   Call: (233) [system] char_type(r, space)
   Fail: (233) [system] char_type(r, space)
   Call: (233) [system] arg(_720888, v('(', ')', end_of_file), r)
   Fail: (233) [system] arg(_721820, v('(', ')', end_of_file), r)
^  Fail: (232) [user] is_delimiter(r)
   Call: (232) [system] ')'==r
   Fail: (232) [system] ')'==r
   Call: (232) [system] get_char((0x563acd73bee0), r)
   Exit: (232) [system] get_char((0x563acd73bee0), r)
   Call: (232) [system] r=(\)
   Fail: (232) [system] r=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _729170)
   Call: (233) [system] peek_char((0x563acd73bee0), _730104)
   Exit: (233) [system] peek_char((0x563acd73bee0), o)
^  Call: (233) [user] is_delimiter(o)
   Call: (234) [system] char_type(o, space)
   Fail: (234) [system] char_type(o, space)
   Call: (234) [system] arg(_734824, v('(', ')', end_of_file), o)
   Fail: (234) [system] arg(_735756, v('(', ')', end_of_file), o)
^  Fail: (233) [user] is_delimiter(o)
   Call: (233) [system] ')'==o
   Fail: (233) [system] ')'==o
   Call: (233) [system] get_char((0x563acd73bee0), o)
   Exit: (233) [system] get_char((0x563acd73bee0), o)
   Call: (233) [system] o=(\)
   Fail: (233) [system] o=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), _743106)
   Call: (234) [system] peek_char((0x563acd73bee0), _744040)
   Exit: (234) [system] peek_char((0x563acd73bee0), d)
^  Call: (234) [user] is_delimiter(d)
   Call: (235) [system] char_type(d, space)
   Fail: (235) [system] char_type(d, space)
   Call: (235) [system] arg(_748760, v('(', ')', end_of_file), d)
   Fail: (235) [system] arg(_749692, v('(', ')', end_of_file), d)
^  Fail: (234) [user] is_delimiter(d)
   Call: (234) [system] ')'==d
   Fail: (234) [system] ')'==d
   Call: (234) [system] get_char((0x563acd73bee0), d)
   Exit: (234) [system] get_char((0x563acd73bee0), d)
   Call: (234) [system] d=(\)
   Fail: (234) [system] d=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), _757042)
   Call: (235) [system] peek_char((0x563acd73bee0), _757976)
   Exit: (235) [system] peek_char((0x563acd73bee0), u)
^  Call: (235) [user] is_delimiter(u)
   Call: (236) [system] char_type(u, space)
   Fail: (236) [system] char_type(u, space)
   Call: (236) [system] arg(_762696, v('(', ')', end_of_file), u)
   Fail: (236) [system] arg(_763628, v('(', ')', end_of_file), u)
^  Fail: (235) [user] is_delimiter(u)
   Call: (235) [system] ')'==u
   Fail: (235) [system] ')'==u
   Call: (235) [system] get_char((0x563acd73bee0), u)
   Exit: (235) [system] get_char((0x563acd73bee0), u)
   Call: (235) [system] u=(\)
   Fail: (235) [system] u=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), _770978)
   Call: (236) [system] peek_char((0x563acd73bee0), _771912)
   Exit: (236) [system] peek_char((0x563acd73bee0), c)
^  Call: (236) [user] is_delimiter(c)
   Call: (237) [system] char_type(c, space)
   Fail: (237) [system] char_type(c, space)
   Call: (237) [system] arg(_776632, v('(', ')', end_of_file), c)
   Fail: (237) [system] arg(_777564, v('(', ')', end_of_file), c)
^  Fail: (236) [user] is_delimiter(c)
   Call: (236) [system] ')'==c
   Fail: (236) [system] ')'==c
   Call: (236) [system] get_char((0x563acd73bee0), c)
   Exit: (236) [system] get_char((0x563acd73bee0), c)
   Call: (236) [system] c=(\)
   Fail: (236) [system] c=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), _784914)
   Call: (237) [system] peek_char((0x563acd73bee0), _785848)
   Exit: (237) [system] peek_char((0x563acd73bee0), t)
^  Call: (237) [user] is_delimiter(t)
   Call: (238) [system] char_type(t, space)
   Fail: (238) [system] char_type(t, space)
   Call: (238) [system] arg(_790568, v('(', ')', end_of_file), t)
   Fail: (238) [system] arg(_791500, v('(', ')', end_of_file), t)
^  Fail: (237) [user] is_delimiter(t)
   Call: (237) [system] ')'==t
   Fail: (237) [system] ')'==t
   Call: (237) [system] get_char((0x563acd73bee0), t)
   Exit: (237) [system] get_char((0x563acd73bee0), t)
   Call: (237) [system] t=(\)
   Fail: (237) [system] t=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), _798850)
   Call: (238) [system] peek_char((0x563acd73bee0), _799784)
   Exit: (238) [system] peek_char((0x563acd73bee0), i)
^  Call: (238) [user] is_delimiter(i)
   Call: (239) [system] char_type(i, space)
   Fail: (239) [system] char_type(i, space)
   Call: (239) [system] arg(_804504, v('(', ')', end_of_file), i)
   Fail: (239) [system] arg(_805436, v('(', ')', end_of_file), i)
^  Fail: (238) [user] is_delimiter(i)
   Call: (238) [system] ')'==i
   Fail: (238) [system] ')'==i
   Call: (238) [system] get_char((0x563acd73bee0), i)
   Exit: (238) [system] get_char((0x563acd73bee0), i)
   Call: (238) [system] i=(\)
   Fail: (238) [system] i=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x563acd73bee0), _812786)
   Call: (239) [system] peek_char((0x563acd73bee0), _813720)
   Exit: (239) [system] peek_char((0x563acd73bee0), o)
^  Call: (239) [user] is_delimiter(o)
   Call: (240) [system] char_type(o, space)
   Fail: (240) [system] char_type(o, space)
   Call: (240) [system] arg(_818440, v('(', ')', end_of_file), o)
   Fail: (240) [system] arg(_819372, v('(', ')', end_of_file), o)
^  Fail: (239) [user] is_delimiter(o)
   Call: (239) [system] ')'==o
   Fail: (239) [system] ')'==o
   Call: (239) [system] get_char((0x563acd73bee0), o)
   Exit: (239) [system] get_char((0x563acd73bee0), o)
   Call: (239) [system] o=(\)
   Fail: (239) [system] o=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x563acd73bee0), _826722)
   Call: (240) [system] peek_char((0x563acd73bee0), _827656)
   Exit: (240) [system] peek_char((0x563acd73bee0), n)
^  Call: (240) [user] is_delimiter(n)
   Call: (241) [system] char_type(n, space)
   Fail: (241) [system] char_type(n, space)
   Call: (241) [system] arg(_832376, v('(', ')', end_of_file), n)
   Fail: (241) [system] arg(_833308, v('(', ')', end_of_file), n)
^  Fail: (240) [user] is_delimiter(n)
   Call: (240) [system] ')'==n
   Fail: (240) [system] ')'==n
   Call: (240) [system] get_char((0x563acd73bee0), n)
   Exit: (240) [system] get_char((0x563acd73bee0), n)
   Call: (240) [system] n=(\)
   Fail: (240) [system] n=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x563acd73bee0), _840658)
   Call: (241) [system] peek_char((0x563acd73bee0), _841592)
   Exit: (241) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (241) [user] is_delimiter(' ')
   Call: (242) [system] char_type(' ', space)
   Exit: (242) [system] char_type(' ', space)
^  Exit: (241) [user] is_delimiter(' ')
   Call: (241) [system] _840658=[]
   Exit: (241) [system] []=[]
^  Exit: (240) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (240) [system] _826722=[n]
   Exit: (240) [system] [n]=[n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (239) [system] _812786=[o, n]
   Exit: (239) [system] [o, n]=[o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (238) [system] _798850=[i, o, n]
   Exit: (238) [system] [i, o, n]=[i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (237) [system] _784914=[t, i, o, n]
   Exit: (237) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (236) [system] _770978=[c, t, i, o, n]
   Exit: (236) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n])
   Call: (235) [system] _757042=[u, c, t, i, o, n]
   Exit: (235) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, i, o, n])
   Call: (234) [system] _743106=[d, u, c, t, i, o, n]
   Exit: (234) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, u, c, t, i, o, n])
   Call: (233) [system] _729170=[o, d, u, c, t, i, o, n]
   Exit: (233) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, d, u, c, t, i, o, n])
   Call: (232) [system] _715234=[r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _701298=[t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _687362=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _673426=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _659490=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _645554=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _631618=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _617682=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _603746=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _589810=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _575874=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _561938=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _548002=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _534066=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (218) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _498556)
^  Call: (219) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _912344)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_913296, _913298), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _912344), _913278, fail)), '$restore_trace'(_913296, _913298))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_913296, _913298))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _912344), _913278, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_912344)
   Fail: (220) [system] atomic(_912344)
   Call: (220) [system] atom_chars(_912344, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (220) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (219) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (219) [system] integer('DisjunctionIntroduction')
   Fail: (219) [system] integer('DisjunctionIntroduction')
   Call: (219) [system] _498556='DisjunctionIntroduction'
   Exit: (219) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (218) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (217) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'DisjunctionIntroduction')
^  Exit: (216) [user] cont_sexpr(')', (0x563acd73bee0), 'DisjunctionIntroduction')
^  Call: (216) [user] read_list(')', (0x563acd73bee0), _927294)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _929152)
   Exit: (218) [system] peek_char((0x563acd73bee0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x563acd73bee0), _938746)
   Exit: (218) [system] get_char((0x563acd73bee0), ' ')
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _941450)
   Exit: (219) [system] peek_char((0x563acd73bee0), c)
   Call: (219) [system] c=(;)
   Fail: (219) [system] c=(;)
   Call: (219) [system] c=(/)
   Fail: (219) [system] c=(/)
^  Call: (219) [user] is_like_space(c)
   Call: (220) [system] char_type(c, 'white')
   Fail: (220) [system] char_type(c, 'white')
   Call: (220) [system] char_type(c, end_of_line)
   Fail: (220) [system] char_type(c, end_of_line)
   Call: (220) [system] char_type(c, space)
   Fail: (220) [system] char_type(c, space)
   Call: (220) [system] char_type(c, cntrl)
   Fail: (220) [system] char_type(c, cntrl)
^  Fail: (219) [user] is_like_space(c)
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _958384)
   Exit: (217) [system] peek_char((0x563acd73bee0), c)
   Call: (217) [system] c=')'
   Fail: (217) [system] c=')'
   Call: (217) [system] c=end_of_file
   Fail: (217) [system] c=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x563acd73bee0), _963954)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _965812)
   Exit: (219) [system] peek_char((0x563acd73bee0), c)
   Call: (219) [system] c=(;)
   Fail: (219) [system] c=(;)
   Call: (219) [system] c=(/)
   Fail: (219) [system] c=(/)
^  Call: (219) [user] is_like_space(c)
   Call: (220) [system] char_type(c, 'white')
   Fail: (220) [system] char_type(c, 'white')
   Call: (220) [system] char_type(c, end_of_line)
   Fail: (220) [system] char_type(c, end_of_line)
   Call: (220) [system] char_type(c, space)
   Fail: (220) [system] char_type(c, space)
   Call: (220) [system] char_type(c, cntrl)
   Fail: (220) [system] char_type(c, cntrl)
^  Fail: (219) [user] is_like_space(c)
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] get_char((0x563acd73bee0), _981822)
   Exit: (218) [system] get_char((0x563acd73bee0), c)
   Call: (218) [system] c='('
   Fail: (218) [system] c='('
   Call: (218) [system] c='['
   Fail: (218) [system] c='['
   Call: (218) [system] c='{'
   Fail: (218) [system] c='{'
   Call: (218) [system] c='"'
   Fail: (218) [system] c='"'
   Call: (218) [system] c=!
   Fail: (218) [system] c=!
   Call: (218) [system] c='\''
   Fail: (218) [system] c='\''
   Call: (218) [system] c='`'
   Fail: (218) [system] c='`'
   Call: (218) [system] c=end_of_file
   Fail: (218) [system] c=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x563acd73bee0), c, _963954)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _999464)
   Call: (220) [system] peek_char((0x563acd73bee0), _1000398)
   Exit: (220) [system] peek_char((0x563acd73bee0), d)
^  Call: (220) [user] is_delimiter(d)
   Call: (221) [system] char_type(d, space)
   Fail: (221) [system] char_type(d, space)
   Call: (221) [system] arg(_1005118, v('(', ')', end_of_file), d)
   Fail: (221) [system] arg(_1006050, v('(', ')', end_of_file), d)
^  Fail: (220) [user] is_delimiter(d)
   Call: (220) [system] ')'==d
   Fail: (220) [system] ')'==d
   Call: (220) [system] get_char((0x563acd73bee0), d)
   Exit: (220) [system] get_char((0x563acd73bee0), d)
   Call: (220) [system] d=(\)
   Fail: (220) [system] d=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _1013400)
   Call: (221) [system] peek_char((0x563acd73bee0), _1014334)
   Exit: (221) [system] peek_char((0x563acd73bee0), e)
^  Call: (221) [user] is_delimiter(e)
   Call: (222) [system] char_type(e, space)
   Fail: (222) [system] char_type(e, space)
   Call: (222) [system] arg(_1019054, v('(', ')', end_of_file), e)
   Fail: (222) [system] arg(_1019986, v('(', ')', end_of_file), e)
^  Fail: (221) [user] is_delimiter(e)
   Call: (221) [system] ')'==e
   Fail: (221) [system] ')'==e
   Call: (221) [system] get_char((0x563acd73bee0), e)
   Exit: (221) [system] get_char((0x563acd73bee0), e)
   Call: (221) [system] e=(\)
   Fail: (221) [system] e=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _1027336)
   Call: (222) [system] peek_char((0x563acd73bee0), _1028270)
   Exit: (222) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _1027336=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (221) [system] _1013400=[e]
   Exit: (221) [system] [e]=[e]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [e])
   Call: (220) [system] _999464=[d, e]
   Exit: (220) [system] [d, e]=[d, e]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, e])
^  Call: (219) [user] classify_and_convert_charseq([c, d, e], _963954)
^  Call: (220) [user] classify_and_convert_charseq_([c, d, e], _1043142)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_1044094, _1044096), once(user:catch(read_from_chars([c, d, e], _1043142), _1044076, fail)), '$restore_trace'(_1044094, _1044096))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_1044094, _1044096))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1044076, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(cde)
   Exit: (221) [system] atomic(cde)
^  Exit: (220) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (220) [system] integer(cde)
   Fail: (220) [system] integer(cde)
   Call: (220) [system] _963954=cde
   Exit: (220) [system] cde=cde
^  Exit: (219) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (218) [user] read_symbolic(')', (0x563acd73bee0), c, cde)
^  Exit: (217) [user] cont_sexpr(')', (0x563acd73bee0), cde)
^  Call: (217) [user] read_list(')', (0x563acd73bee0), _1056222)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _1058080)
   Exit: (219) [system] peek_char((0x563acd73bee0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x563acd73bee0), _1067674)
   Exit: (219) [system] get_char((0x563acd73bee0), ' ')
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _1070378)
   Exit: (220) [system] peek_char((0x563acd73bee0), c)
   Call: (220) [system] c=(;)
   Fail: (220) [system] c=(;)
   Call: (220) [system] c=(/)
   Fail: (220) [system] c=(/)
^  Call: (220) [user] is_like_space(c)
   Call: (221) [system] char_type(c, 'white')
   Fail: (221) [system] char_type(c, 'white')
   Call: (221) [system] char_type(c, end_of_line)
   Fail: (221) [system] char_type(c, end_of_line)
   Call: (221) [system] char_type(c, space)
   Fail: (221) [system] char_type(c, space)
   Call: (221) [system] char_type(c, cntrl)
   Fail: (221) [system] char_type(c, cntrl)
^  Fail: (220) [user] is_like_space(c)
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _1087312)
   Exit: (218) [system] peek_char((0x563acd73bee0), c)
   Call: (218) [system] c=')'
   Fail: (218) [system] c=')'
   Call: (218) [system] c=end_of_file
   Fail: (218) [system] c=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x563acd73bee0), _1092882)
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _1094740)
   Exit: (220) [system] peek_char((0x563acd73bee0), c)
   Call: (220) [system] c=(;)
   Fail: (220) [system] c=(;)
   Call: (220) [system] c=(/)
   Fail: (220) [system] c=(/)
^  Call: (220) [user] is_like_space(c)
   Call: (221) [system] char_type(c, 'white')
   Fail: (221) [system] char_type(c, 'white')
   Call: (221) [system] char_type(c, end_of_line)
   Fail: (221) [system] char_type(c, end_of_line)
   Call: (221) [system] char_type(c, space)
   Fail: (221) [system] char_type(c, space)
   Call: (221) [system] char_type(c, cntrl)
   Fail: (221) [system] char_type(c, cntrl)
^  Fail: (220) [user] is_like_space(c)
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] get_char((0x563acd73bee0), _1110750)
   Exit: (219) [system] get_char((0x563acd73bee0), c)
   Call: (219) [system] c='('
   Fail: (219) [system] c='('
   Call: (219) [system] c='['
   Fail: (219) [system] c='['
   Call: (219) [system] c='{'
   Fail: (219) [system] c='{'
   Call: (219) [system] c='"'
   Fail: (219) [system] c='"'
   Call: (219) [system] c=!
   Fail: (219) [system] c=!
   Call: (219) [system] c='\''
   Fail: (219) [system] c='\''
   Call: (219) [system] c='`'
   Fail: (219) [system] c='`'
   Call: (219) [system] c=end_of_file
   Fail: (219) [system] c=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x563acd73bee0), c, _1092882)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _1128392)
   Call: (221) [system] peek_char((0x563acd73bee0), _1129326)
   Exit: (221) [system] peek_char((0x563acd73bee0), d)
^  Call: (221) [user] is_delimiter(d)
   Call: (222) [system] char_type(d, space)
   Fail: (222) [system] char_type(d, space)
   Call: (222) [system] arg(_1134046, v('(', ')', end_of_file), d)
   Fail: (222) [system] arg(_1134978, v('(', ')', end_of_file), d)
^  Fail: (221) [user] is_delimiter(d)
   Call: (221) [system] ')'==d
   Fail: (221) [system] ')'==d
   Call: (221) [system] get_char((0x563acd73bee0), d)
   Exit: (221) [system] get_char((0x563acd73bee0), d)
   Call: (221) [system] d=(\)
   Fail: (221) [system] d=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _1142328)
   Call: (222) [system] peek_char((0x563acd73bee0), _1143262)
   Exit: (222) [system] peek_char((0x563acd73bee0), e)
^  Call: (222) [user] is_delimiter(e)
   Call: (223) [system] char_type(e, space)
   Fail: (223) [system] char_type(e, space)
   Call: (223) [system] arg(_1147982, v('(', ')', end_of_file), e)
   Fail: (223) [system] arg(_1148914, v('(', ')', end_of_file), e)
^  Fail: (222) [user] is_delimiter(e)
   Call: (222) [system] ')'==e
   Fail: (222) [system] ')'==e
   Call: (222) [system] get_char((0x563acd73bee0), e)
   Exit: (222) [system] get_char((0x563acd73bee0), e)
   Call: (222) [system] e=(\)
   Fail: (222) [system] e=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _1156264)
   Call: (223) [system] peek_char((0x563acd73bee0), _1157198)
   Exit: (223) [system] peek_char((0x563acd73bee0), ')')
^  Call: (223) [user] is_delimiter(')')
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] arg(_1161918, v('(', ')', end_of_file), ')')
   Exit: (224) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (223) [user] is_delimiter(')')
   Call: (223) [system] _1156264=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (222) [system] _1142328=[e]
   Exit: (222) [system] [e]=[e]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [e])
   Call: (221) [system] _1128392=[d, e]
   Exit: (221) [system] [d, e]=[d, e]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, e])
^  Call: (220) [user] classify_and_convert_charseq([c, d, e], _1092882)
^  Call: (221) [user] classify_and_convert_charseq_([c, d, e], _1173942)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_1174894, _1174896), once(user:catch(read_from_chars([c, d, e], _1173942), _1174876, fail)), '$restore_trace'(_1174894, _1174896))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_1174894, _1174896))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1174876, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(cde)
   Exit: (222) [system] atomic(cde)
^  Exit: (221) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (221) [system] integer(cde)
   Fail: (221) [system] integer(cde)
   Call: (221) [system] _1092882=cde
   Exit: (221) [system] cde=cde
^  Exit: (220) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (219) [user] read_symbolic(')', (0x563acd73bee0), c, cde)
^  Exit: (218) [user] cont_sexpr(')', (0x563acd73bee0), cde)
^  Call: (218) [user] read_list(')', (0x563acd73bee0), _1187022)
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _1188880)
   Exit: (220) [system] peek_char((0x563acd73bee0), ')')
   Call: (220) [system] ')'=(;)
   Fail: (220) [system] ')'=(;)
   Call: (220) [system] ')'=(/)
   Fail: (220) [system] ')'=(/)
^  Call: (220) [user] is_like_space(')')
   Call: (221) [system] char_type(')', 'white')
   Fail: (221) [system] char_type(')', 'white')
   Call: (221) [system] char_type(')', end_of_line)
   Fail: (221) [system] char_type(')', end_of_line)
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] char_type(')', cntrl)
   Fail: (221) [system] char_type(')', cntrl)
^  Fail: (220) [user] is_like_space(')')
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _1204890)
   Exit: (219) [system] peek_char((0x563acd73bee0), ')')
   Call: (219) [system] ')'=')'
   Exit: (219) [system] ')'=')'
   Call: (219) [system] get_char((0x563acd73bee0), _1208680)
   Exit: (219) [system] get_char((0x563acd73bee0), ')')
   Call: (219) [system] _1187022=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_list(')', (0x563acd73bee0), [])
   Call: (218) [system] _1056222=[cde]
   Exit: (218) [system] [cde]=[cde]
^  Exit: (217) [user] read_list(')', (0x563acd73bee0), [cde])
   Call: (217) [system] _927294=[cde, cde]
   Exit: (217) [system] [cde, cde]=[cde, cde]
^  Exit: (216) [user] read_list(')', (0x563acd73bee0), [cde, cde])
   Call: (216) [system] _453538=['DisjunctionIntroduction', cde, cde]
   Exit: (216) [system] ['DisjunctionIntroduction', cde, cde]=['DisjunctionIntroduction', cde, cde]
^  Exit: (215) [user] read_list(')', (0x563acd73bee0), ['DisjunctionIntroduction', cde, cde])
^  Exit: (214) [user] cont_sexpr(')', (0x563acd73bee0), ['DisjunctionIntroduction', cde, cde])
^  Call: (214) [user] read_list(')', (0x563acd73bee0), _1222562)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1224420)
   Exit: (216) [system] peek_char((0x563acd73bee0), ')')
   Call: (216) [system] ')'=(;)
   Fail: (216) [system] ')'=(;)
   Call: (216) [system] ')'=(/)
   Fail: (216) [system] ')'=(/)
^  Call: (216) [user] is_like_space(')')
   Call: (217) [system] char_type(')', 'white')
   Fail: (217) [system] char_type(')', 'white')
   Call: (217) [system] char_type(')', end_of_line)
   Fail: (217) [system] char_type(')', end_of_line)
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] char_type(')', cntrl)
   Fail: (217) [system] char_type(')', cntrl)
^  Fail: (216) [user] is_like_space(')')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1240430)
   Exit: (215) [system] peek_char((0x563acd73bee0), ')')
   Call: (215) [system] ')'=')'
   Exit: (215) [system] ')'=')'
   Call: (215) [system] get_char((0x563acd73bee0), _1244220)
   Exit: (215) [system] get_char((0x563acd73bee0), ')')
   Call: (215) [system] _1222562=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_list(')', (0x563acd73bee0), [])
   Call: (214) [system] _416878=[['DisjunctionIntroduction', cde, cde]]
   Exit: (214) [system] [['DisjunctionIntroduction', cde, cde]]=[['DisjunctionIntroduction', cde, cde]]
^  Exit: (213) [user] read_list(')', (0x563acd73bee0), [['DisjunctionIntroduction', cde, cde]])
   Call: (213) [system] _287950=[abc, ['DisjunctionIntroduction', cde, cde]]
   Exit: (213) [system] [abc, ['DisjunctionIntroduction', cde, cde]]=[abc, ['DisjunctionIntroduction', cde, cde]]
^  Exit: (212) [user] read_list(')', (0x563acd73bee0), [abc, ['DisjunctionIntroduction', cde, cde]])
   Call: (212) [system] _5816=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]]
   Exit: (212) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]]
^  Exit: (211) [user] read_list(')', (0x563acd73bee0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]])
^  Exit: (210) [user] cont_sexpr(')', (0x563acd73bee0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]])
^  Call: (210) [user] read_list(')', (0x563acd73bee0), _1258102)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1259960)
   Exit: (212) [system] peek_char((0x563acd73bee0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x563acd73bee0), _1269554)
   Exit: (212) [system] get_char((0x563acd73bee0), ' ')
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1272258)
   Exit: (213) [system] peek_char((0x563acd73bee0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _1289192)
   Exit: (211) [system] peek_char((0x563acd73bee0), '(')
   Call: (211) [system] '('=')'
   Fail: (211) [system] '('=')'
   Call: (211) [system] '('=end_of_file
   Fail: (211) [system] '('=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x563acd73bee0), _1294762)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1296620)
   Exit: (213) [system] peek_char((0x563acd73bee0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] get_char((0x563acd73bee0), _1312630)
   Exit: (212) [system] get_char((0x563acd73bee0), '(')
   Call: (212) [system] '('='('
   Exit: (212) [system] '('='('
^  Call: (212) [user] read_list(')', (0x563acd73bee0), _1294762)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1318200)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'O')
   Call: (214) [system] 'O'=(;)
   Fail: (214) [system] 'O'=(;)
   Call: (214) [system] 'O'=(/)
   Fail: (214) [system] 'O'=(/)
^  Call: (214) [user] is_like_space('O')
   Call: (215) [system] char_type('O', 'white')
   Fail: (215) [system] char_type('O', 'white')
   Call: (215) [system] char_type('O', end_of_line)
   Fail: (215) [system] char_type('O', end_of_line)
   Call: (215) [system] char_type('O', space)
   Fail: (215) [system] char_type('O', space)
   Call: (215) [system] char_type('O', cntrl)
   Fail: (215) [system] char_type('O', cntrl)
^  Fail: (214) [user] is_like_space('O')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1334210)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'O')
   Call: (213) [system] 'O'=')'
   Fail: (213) [system] 'O'=')'
   Call: (213) [system] 'O'=end_of_file
   Fail: (213) [system] 'O'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x563acd73bee0), _1339780)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1341638)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'O')
   Call: (215) [system] 'O'=(;)
   Fail: (215) [system] 'O'=(;)
   Call: (215) [system] 'O'=(/)
   Fail: (215) [system] 'O'=(/)
^  Call: (215) [user] is_like_space('O')
   Call: (216) [system] char_type('O', 'white')
   Fail: (216) [system] char_type('O', 'white')
   Call: (216) [system] char_type('O', end_of_line)
   Fail: (216) [system] char_type('O', end_of_line)
   Call: (216) [system] char_type('O', space)
   Fail: (216) [system] char_type('O', space)
   Call: (216) [system] char_type('O', cntrl)
   Fail: (216) [system] char_type('O', cntrl)
^  Fail: (215) [user] is_like_space('O')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] get_char((0x563acd73bee0), _1357648)
   Exit: (214) [system] get_char((0x563acd73bee0), 'O')
   Call: (214) [system] 'O'='('
   Fail: (214) [system] 'O'='('
   Call: (214) [system] 'O'='['
   Fail: (214) [system] 'O'='['
   Call: (214) [system] 'O'='{'
   Fail: (214) [system] 'O'='{'
   Call: (214) [system] 'O'='"'
   Fail: (214) [system] 'O'='"'
   Call: (214) [system] 'O'=!
   Fail: (214) [system] 'O'=!
   Call: (214) [system] 'O'='\''
   Fail: (214) [system] 'O'='\''
   Call: (214) [system] 'O'='`'
   Fail: (214) [system] 'O'='`'
   Call: (214) [system] 'O'=end_of_file
   Fail: (214) [system] 'O'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x563acd73bee0), 'O', _1339780)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _1375290)
   Call: (216) [system] peek_char((0x563acd73bee0), _1376224)
   Exit: (216) [system] peek_char((0x563acd73bee0), r)
^  Call: (216) [user] is_delimiter(r)
   Call: (217) [system] char_type(r, space)
   Fail: (217) [system] char_type(r, space)
   Call: (217) [system] arg(_1380944, v('(', ')', end_of_file), r)
   Fail: (217) [system] arg(_1381876, v('(', ')', end_of_file), r)
^  Fail: (216) [user] is_delimiter(r)
   Call: (216) [system] ')'==r
   Fail: (216) [system] ')'==r
   Call: (216) [system] get_char((0x563acd73bee0), r)
   Exit: (216) [system] get_char((0x563acd73bee0), r)
   Call: (216) [system] r=(\)
   Fail: (216) [system] r=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _1389226)
   Call: (217) [system] peek_char((0x563acd73bee0), _1390160)
   Exit: (217) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (217) [user] is_delimiter('L')
   Call: (218) [system] char_type('L', space)
   Fail: (218) [system] char_type('L', space)
   Call: (218) [system] arg(_1394880, v('(', ')', end_of_file), 'L')
   Fail: (218) [system] arg(_1395812, v('(', ')', end_of_file), 'L')
^  Fail: (217) [user] is_delimiter('L')
   Call: (217) [system] ')'=='L'
   Fail: (217) [system] ')'=='L'
   Call: (217) [system] get_char((0x563acd73bee0), 'L')
   Exit: (217) [system] get_char((0x563acd73bee0), 'L')
   Call: (217) [system] 'L'=(\)
   Fail: (217) [system] 'L'=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _1403162)
   Call: (218) [system] peek_char((0x563acd73bee0), _1404096)
   Exit: (218) [system] peek_char((0x563acd73bee0), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Fail: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_1408816, v('(', ')', end_of_file), i)
   Fail: (219) [system] arg(_1409748, v('(', ')', end_of_file), i)
^  Fail: (218) [user] is_delimiter(i)
   Call: (218) [system] ')'==i
   Fail: (218) [system] ')'==i
   Call: (218) [system] get_char((0x563acd73bee0), i)
   Exit: (218) [system] get_char((0x563acd73bee0), i)
   Call: (218) [system] i=(\)
   Fail: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _1417098)
   Call: (219) [system] peek_char((0x563acd73bee0), _1418032)
   Exit: (219) [system] peek_char((0x563acd73bee0), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_1422752, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_1423684, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x563acd73bee0), n)
   Exit: (219) [system] get_char((0x563acd73bee0), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _1431034)
   Call: (220) [system] peek_char((0x563acd73bee0), _1431968)
   Exit: (220) [system] peek_char((0x563acd73bee0), k)
^  Call: (220) [user] is_delimiter(k)
   Call: (221) [system] char_type(k, space)
   Fail: (221) [system] char_type(k, space)
   Call: (221) [system] arg(_1436688, v('(', ')', end_of_file), k)
   Fail: (221) [system] arg(_1437620, v('(', ')', end_of_file), k)
^  Fail: (220) [user] is_delimiter(k)
   Call: (220) [system] ')'==k
   Fail: (220) [system] ')'==k
   Call: (220) [system] get_char((0x563acd73bee0), k)
   Exit: (220) [system] get_char((0x563acd73bee0), k)
   Call: (220) [system] k=(\)
   Fail: (220) [system] k=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _1444970)
   Call: (221) [system] peek_char((0x563acd73bee0), _1445904)
   Exit: (221) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (221) [user] is_delimiter(' ')
   Call: (222) [system] char_type(' ', space)
   Exit: (222) [system] char_type(' ', space)
^  Exit: (221) [user] is_delimiter(' ')
   Call: (221) [system] _1444970=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (220) [system] _1431034=[k]
   Exit: (220) [system] [k]=[k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (219) [system] _1417098=[n, k]
   Exit: (219) [system] [n, k]=[n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (218) [system] _1403162=[i, n, k]
   Exit: (218) [system] [i, n, k]=[i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (217) [system] _1389226=['L', i, n, k]
   Exit: (217) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (216) [system] _1375290=[r, 'L', i, n, k]
   Exit: (216) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (215) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1339780)
^  Call: (216) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1469158)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1470110, _1470112), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1469158), _1470092, fail)), '$restore_trace'(_1470110, _1470112))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1470110, _1470112))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1469158), _1470092, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_1469158)
   Fail: (217) [system] atomic(_1469158)
   Call: (217) [system] atom_chars(_1469158, ['O', r, 'L', i, n, k])
   Exit: (217) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (216) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (216) [system] integer('OrLink')
   Fail: (216) [system] integer('OrLink')
   Call: (216) [system] _1339780='OrLink'
   Exit: (216) [system] 'OrLink'='OrLink'
^  Exit: (215) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (214) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (213) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (213) [user] read_list(')', (0x563acd73bee0), _1484108)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1485966)
   Exit: (215) [system] peek_char((0x563acd73bee0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x563acd73bee0), _1495560)
   Exit: (215) [system] get_char((0x563acd73bee0), ' ')
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1498264)
   Exit: (216) [system] peek_char((0x563acd73bee0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1515198)
   Exit: (214) [system] peek_char((0x563acd73bee0), '(')
   Call: (214) [system] '('=')'
   Fail: (214) [system] '('=')'
   Call: (214) [system] '('=end_of_file
   Fail: (214) [system] '('=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x563acd73bee0), _1520768)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1522626)
   Exit: (216) [system] peek_char((0x563acd73bee0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
   Call: (216) [system] '('=(/)
   Fail: (216) [system] '('=(/)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] get_char((0x563acd73bee0), _1538636)
   Exit: (215) [system] get_char((0x563acd73bee0), '(')
   Call: (215) [system] '('='('
   Exit: (215) [system] '('='('
^  Call: (215) [user] read_list(')', (0x563acd73bee0), _1520768)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1544206)
   Exit: (217) [system] peek_char((0x563acd73bee0), 'I')
   Call: (217) [system] 'I'=(;)
   Fail: (217) [system] 'I'=(;)
   Call: (217) [system] 'I'=(/)
   Fail: (217) [system] 'I'=(/)
^  Call: (217) [user] is_like_space('I')
   Call: (218) [system] char_type('I', 'white')
   Fail: (218) [system] char_type('I', 'white')
   Call: (218) [system] char_type('I', end_of_line)
   Fail: (218) [system] char_type('I', end_of_line)
   Call: (218) [system] char_type('I', space)
   Fail: (218) [system] char_type('I', space)
   Call: (218) [system] char_type('I', cntrl)
   Fail: (218) [system] char_type('I', cntrl)
^  Fail: (217) [user] is_like_space('I')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1560216)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'I')
   Call: (216) [system] 'I'=')'
   Fail: (216) [system] 'I'=')'
   Call: (216) [system] 'I'=end_of_file
   Fail: (216) [system] 'I'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x563acd73bee0), _1565786)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _1567644)
   Exit: (218) [system] peek_char((0x563acd73bee0), 'I')
   Call: (218) [system] 'I'=(;)
   Fail: (218) [system] 'I'=(;)
   Call: (218) [system] 'I'=(/)
   Fail: (218) [system] 'I'=(/)
^  Call: (218) [user] is_like_space('I')
   Call: (219) [system] char_type('I', 'white')
   Fail: (219) [system] char_type('I', 'white')
   Call: (219) [system] char_type('I', end_of_line)
   Fail: (219) [system] char_type('I', end_of_line)
   Call: (219) [system] char_type('I', space)
   Fail: (219) [system] char_type('I', space)
   Call: (219) [system] char_type('I', cntrl)
   Fail: (219) [system] char_type('I', cntrl)
^  Fail: (218) [user] is_like_space('I')
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] get_char((0x563acd73bee0), _1583654)
   Exit: (217) [system] get_char((0x563acd73bee0), 'I')
   Call: (217) [system] 'I'='('
   Fail: (217) [system] 'I'='('
   Call: (217) [system] 'I'='['
   Fail: (217) [system] 'I'='['
   Call: (217) [system] 'I'='{'
   Fail: (217) [system] 'I'='{'
   Call: (217) [system] 'I'='"'
   Fail: (217) [system] 'I'='"'
   Call: (217) [system] 'I'=!
   Fail: (217) [system] 'I'=!
   Call: (217) [system] 'I'='\''
   Fail: (217) [system] 'I'='\''
   Call: (217) [system] 'I'='`'
   Fail: (217) [system] 'I'='`'
   Call: (217) [system] 'I'=end_of_file
   Fail: (217) [system] 'I'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x563acd73bee0), 'I', _1565786)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _1601296)
   Call: (219) [system] peek_char((0x563acd73bee0), _1602230)
   Exit: (219) [system] peek_char((0x563acd73bee0), m)
^  Call: (219) [user] is_delimiter(m)
   Call: (220) [system] char_type(m, space)
   Fail: (220) [system] char_type(m, space)
   Call: (220) [system] arg(_1606950, v('(', ')', end_of_file), m)
   Fail: (220) [system] arg(_1607882, v('(', ')', end_of_file), m)
^  Fail: (219) [user] is_delimiter(m)
   Call: (219) [system] ')'==m
   Fail: (219) [system] ')'==m
   Call: (219) [system] get_char((0x563acd73bee0), m)
   Exit: (219) [system] get_char((0x563acd73bee0), m)
   Call: (219) [system] m=(\)
   Fail: (219) [system] m=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _1615232)
   Call: (220) [system] peek_char((0x563acd73bee0), _1616166)
   Exit: (220) [system] peek_char((0x563acd73bee0), p)
^  Call: (220) [user] is_delimiter(p)
   Call: (221) [system] char_type(p, space)
   Fail: (221) [system] char_type(p, space)
   Call: (221) [system] arg(_1620886, v('(', ')', end_of_file), p)
   Fail: (221) [system] arg(_1621818, v('(', ')', end_of_file), p)
^  Fail: (220) [user] is_delimiter(p)
   Call: (220) [system] ')'==p
   Fail: (220) [system] ')'==p
   Call: (220) [system] get_char((0x563acd73bee0), p)
   Exit: (220) [system] get_char((0x563acd73bee0), p)
   Call: (220) [system] p=(\)
   Fail: (220) [system] p=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _1629168)
   Call: (221) [system] peek_char((0x563acd73bee0), _1630102)
   Exit: (221) [system] peek_char((0x563acd73bee0), l)
^  Call: (221) [user] is_delimiter(l)
   Call: (222) [system] char_type(l, space)
   Fail: (222) [system] char_type(l, space)
   Call: (222) [system] arg(_1634822, v('(', ')', end_of_file), l)
   Fail: (222) [system] arg(_1635754, v('(', ')', end_of_file), l)
^  Fail: (221) [user] is_delimiter(l)
   Call: (221) [system] ')'==l
   Fail: (221) [system] ')'==l
   Call: (221) [system] get_char((0x563acd73bee0), l)
   Exit: (221) [system] get_char((0x563acd73bee0), l)
   Call: (221) [system] l=(\)
   Fail: (221) [system] l=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _1643104)
   Call: (222) [system] peek_char((0x563acd73bee0), _1644038)
   Exit: (222) [system] peek_char((0x563acd73bee0), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_1648758, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_1649690, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x563acd73bee0), i)
   Exit: (222) [system] get_char((0x563acd73bee0), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _1657040)
   Call: (223) [system] peek_char((0x563acd73bee0), _1657974)
   Exit: (223) [system] peek_char((0x563acd73bee0), c)
^  Call: (223) [user] is_delimiter(c)
   Call: (224) [system] char_type(c, space)
   Fail: (224) [system] char_type(c, space)
   Call: (224) [system] arg(_1662694, v('(', ')', end_of_file), c)
   Fail: (224) [system] arg(_1663626, v('(', ')', end_of_file), c)
^  Fail: (223) [user] is_delimiter(c)
   Call: (223) [system] ')'==c
   Fail: (223) [system] ')'==c
   Call: (223) [system] get_char((0x563acd73bee0), c)
   Exit: (223) [system] get_char((0x563acd73bee0), c)
   Call: (223) [system] c=(\)
   Fail: (223) [system] c=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _1670976)
   Call: (224) [system] peek_char((0x563acd73bee0), _1671910)
   Exit: (224) [system] peek_char((0x563acd73bee0), a)
^  Call: (224) [user] is_delimiter(a)
   Call: (225) [system] char_type(a, space)
   Fail: (225) [system] char_type(a, space)
   Call: (225) [system] arg(_1676630, v('(', ')', end_of_file), a)
   Fail: (225) [system] arg(_1677562, v('(', ')', end_of_file), a)
^  Fail: (224) [user] is_delimiter(a)
   Call: (224) [system] ')'==a
   Fail: (224) [system] ')'==a
   Call: (224) [system] get_char((0x563acd73bee0), a)
   Exit: (224) [system] get_char((0x563acd73bee0), a)
   Call: (224) [system] a=(\)
   Fail: (224) [system] a=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _1684912)
   Call: (225) [system] peek_char((0x563acd73bee0), _1685846)
   Exit: (225) [system] peek_char((0x563acd73bee0), t)
^  Call: (225) [user] is_delimiter(t)
   Call: (226) [system] char_type(t, space)
   Fail: (226) [system] char_type(t, space)
   Call: (226) [system] arg(_1690566, v('(', ')', end_of_file), t)
   Fail: (226) [system] arg(_1691498, v('(', ')', end_of_file), t)
^  Fail: (225) [user] is_delimiter(t)
   Call: (225) [system] ')'==t
   Fail: (225) [system] ')'==t
   Call: (225) [system] get_char((0x563acd73bee0), t)
   Exit: (225) [system] get_char((0x563acd73bee0), t)
   Call: (225) [system] t=(\)
   Fail: (225) [system] t=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _1698848)
   Call: (226) [system] peek_char((0x563acd73bee0), _1699782)
   Exit: (226) [system] peek_char((0x563acd73bee0), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Fail: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_1704502, v('(', ')', end_of_file), i)
   Fail: (227) [system] arg(_1705434, v('(', ')', end_of_file), i)
^  Fail: (226) [user] is_delimiter(i)
   Call: (226) [system] ')'==i
   Fail: (226) [system] ')'==i
   Call: (226) [system] get_char((0x563acd73bee0), i)
   Exit: (226) [system] get_char((0x563acd73bee0), i)
   Call: (226) [system] i=(\)
   Fail: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _1712784)
   Call: (227) [system] peek_char((0x563acd73bee0), _1713718)
   Exit: (227) [system] peek_char((0x563acd73bee0), o)
^  Call: (227) [user] is_delimiter(o)
   Call: (228) [system] char_type(o, space)
   Fail: (228) [system] char_type(o, space)
   Call: (228) [system] arg(_1718438, v('(', ')', end_of_file), o)
   Fail: (228) [system] arg(_1719370, v('(', ')', end_of_file), o)
^  Fail: (227) [user] is_delimiter(o)
   Call: (227) [system] ')'==o
   Fail: (227) [system] ')'==o
   Call: (227) [system] get_char((0x563acd73bee0), o)
   Exit: (227) [system] get_char((0x563acd73bee0), o)
   Call: (227) [system] o=(\)
   Fail: (227) [system] o=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _1726720)
   Call: (228) [system] peek_char((0x563acd73bee0), _1727654)
   Exit: (228) [system] peek_char((0x563acd73bee0), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_1732374, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_1733306, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x563acd73bee0), n)
   Exit: (228) [system] get_char((0x563acd73bee0), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _1740656)
   Call: (229) [system] peek_char((0x563acd73bee0), _1741590)
   Exit: (229) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _1740656=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (228) [system] _1726720=[n]
   Exit: (228) [system] [n]=[n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (227) [system] _1712784=[o, n]
   Exit: (227) [system] [o, n]=[o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (226) [system] _1698848=[i, o, n]
   Exit: (226) [system] [i, o, n]=[i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (225) [system] _1684912=[t, i, o, n]
   Exit: (225) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (224) [system] _1670976=[a, t, i, o, n]
   Exit: (224) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (223) [system] _1657040=[c, a, t, i, o, n]
   Exit: (223) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (222) [system] _1643104=[i, c, a, t, i, o, n]
   Exit: (222) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (221) [system] _1629168=[l, i, c, a, t, i, o, n]
   Exit: (221) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (220) [system] _1615232=[p, l, i, c, a, t, i, o, n]
   Exit: (220) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (219) [system] _1601296=[m, p, l, i, c, a, t, i, o, n]
   Exit: (219) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (218) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1565786)
^  Call: (219) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1778814)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_1779766, _1779768), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1778814), _1779748, fail)), '$restore_trace'(_1779766, _1779768))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_1779766, _1779768))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1778814), _1779748, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_1778814)
   Fail: (220) [system] atomic(_1778814)
   Call: (220) [system] atom_chars(_1778814, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (220) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (219) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (219) [system] integer('Implication')
   Fail: (219) [system] integer('Implication')
   Call: (219) [system] _1565786='Implication'
   Exit: (219) [system] 'Implication'='Implication'
^  Exit: (218) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (217) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (216) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (216) [user] read_list(')', (0x563acd73bee0), _1793764)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _1795622)
   Exit: (218) [system] peek_char((0x563acd73bee0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
   Call: (218) [system] ' '=(/)
   Fail: (218) [system] ' '=(/)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x563acd73bee0), _1805216)
   Exit: (218) [system] get_char((0x563acd73bee0), ' ')
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _1807920)
   Exit: (219) [system] peek_char((0x563acd73bee0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1824854)
   Exit: (217) [system] peek_char((0x563acd73bee0), '(')
   Call: (217) [system] '('=')'
   Fail: (217) [system] '('=')'
   Call: (217) [system] '('=end_of_file
   Fail: (217) [system] '('=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x563acd73bee0), _1830424)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _1832282)
   Exit: (219) [system] peek_char((0x563acd73bee0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
   Call: (219) [system] '('=(/)
   Fail: (219) [system] '('=(/)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] get_char((0x563acd73bee0), _1848292)
   Exit: (218) [system] get_char((0x563acd73bee0), '(')
   Call: (218) [system] '('='('
   Exit: (218) [system] '('='('
^  Call: (218) [user] read_list(')', (0x563acd73bee0), _1830424)
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _1853862)
   Exit: (220) [system] peek_char((0x563acd73bee0), 'A')
   Call: (220) [system] 'A'=(;)
   Fail: (220) [system] 'A'=(;)
   Call: (220) [system] 'A'=(/)
   Fail: (220) [system] 'A'=(/)
^  Call: (220) [user] is_like_space('A')
   Call: (221) [system] char_type('A', 'white')
   Fail: (221) [system] char_type('A', 'white')
   Call: (221) [system] char_type('A', end_of_line)
   Fail: (221) [system] char_type('A', end_of_line)
   Call: (221) [system] char_type('A', space)
   Fail: (221) [system] char_type('A', space)
   Call: (221) [system] char_type('A', cntrl)
   Fail: (221) [system] char_type('A', cntrl)
^  Fail: (220) [user] is_like_space('A')
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _1869872)
   Exit: (219) [system] peek_char((0x563acd73bee0), 'A')
   Call: (219) [system] 'A'=')'
   Fail: (219) [system] 'A'=')'
   Call: (219) [system] 'A'=end_of_file
   Fail: (219) [system] 'A'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x563acd73bee0), _1875442)
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _1877300)
   Exit: (221) [system] peek_char((0x563acd73bee0), 'A')
   Call: (221) [system] 'A'=(;)
   Fail: (221) [system] 'A'=(;)
   Call: (221) [system] 'A'=(/)
   Fail: (221) [system] 'A'=(/)
^  Call: (221) [user] is_like_space('A')
   Call: (222) [system] char_type('A', 'white')
   Fail: (222) [system] char_type('A', 'white')
   Call: (222) [system] char_type('A', end_of_line)
   Fail: (222) [system] char_type('A', end_of_line)
   Call: (222) [system] char_type('A', space)
   Fail: (222) [system] char_type('A', space)
   Call: (222) [system] char_type('A', cntrl)
   Fail: (222) [system] char_type('A', cntrl)
^  Fail: (221) [user] is_like_space('A')
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] get_char((0x563acd73bee0), _1893310)
   Exit: (220) [system] get_char((0x563acd73bee0), 'A')
   Call: (220) [system] 'A'='('
   Fail: (220) [system] 'A'='('
   Call: (220) [system] 'A'='['
   Fail: (220) [system] 'A'='['
   Call: (220) [system] 'A'='{'
   Fail: (220) [system] 'A'='{'
   Call: (220) [system] 'A'='"'
   Fail: (220) [system] 'A'='"'
   Call: (220) [system] 'A'=!
   Fail: (220) [system] 'A'=!
   Call: (220) [system] 'A'='\''
   Fail: (220) [system] 'A'='\''
   Call: (220) [system] 'A'='`'
   Fail: (220) [system] 'A'='`'
   Call: (220) [system] 'A'=end_of_file
   Fail: (220) [system] 'A'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x563acd73bee0), 'A', _1875442)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _1910952)
   Call: (222) [system] peek_char((0x563acd73bee0), _1911886)
   Exit: (222) [system] peek_char((0x563acd73bee0), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_1916606, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_1917538, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x563acd73bee0), n)
   Exit: (222) [system] get_char((0x563acd73bee0), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _1924888)
   Call: (223) [system] peek_char((0x563acd73bee0), _1925822)
   Exit: (223) [system] peek_char((0x563acd73bee0), d)
^  Call: (223) [user] is_delimiter(d)
   Call: (224) [system] char_type(d, space)
   Fail: (224) [system] char_type(d, space)
   Call: (224) [system] arg(_1930542, v('(', ')', end_of_file), d)
   Fail: (224) [system] arg(_1931474, v('(', ')', end_of_file), d)
^  Fail: (223) [user] is_delimiter(d)
   Call: (223) [system] ')'==d
   Fail: (223) [system] ')'==d
   Call: (223) [system] get_char((0x563acd73bee0), d)
   Exit: (223) [system] get_char((0x563acd73bee0), d)
   Call: (223) [system] d=(\)
   Fail: (223) [system] d=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _1938824)
   Call: (224) [system] peek_char((0x563acd73bee0), _1939758)
   Exit: (224) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (224) [user] is_delimiter('L')
   Call: (225) [system] char_type('L', space)
   Fail: (225) [system] char_type('L', space)
   Call: (225) [system] arg(_1944478, v('(', ')', end_of_file), 'L')
   Fail: (225) [system] arg(_1945410, v('(', ')', end_of_file), 'L')
^  Fail: (224) [user] is_delimiter('L')
   Call: (224) [system] ')'=='L'
   Fail: (224) [system] ')'=='L'
   Call: (224) [system] get_char((0x563acd73bee0), 'L')
   Exit: (224) [system] get_char((0x563acd73bee0), 'L')
   Call: (224) [system] 'L'=(\)
   Fail: (224) [system] 'L'=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _1952760)
   Call: (225) [system] peek_char((0x563acd73bee0), _1953694)
   Exit: (225) [system] peek_char((0x563acd73bee0), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_1958414, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_1959346, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x563acd73bee0), i)
   Exit: (225) [system] get_char((0x563acd73bee0), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _1966696)
   Call: (226) [system] peek_char((0x563acd73bee0), _1967630)
   Exit: (226) [system] peek_char((0x563acd73bee0), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_1972350, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_1973282, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x563acd73bee0), n)
   Exit: (226) [system] get_char((0x563acd73bee0), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _1980632)
   Call: (227) [system] peek_char((0x563acd73bee0), _1981566)
   Exit: (227) [system] peek_char((0x563acd73bee0), k)
^  Call: (227) [user] is_delimiter(k)
   Call: (228) [system] char_type(k, space)
   Fail: (228) [system] char_type(k, space)
   Call: (228) [system] arg(_1986286, v('(', ')', end_of_file), k)
   Fail: (228) [system] arg(_1987218, v('(', ')', end_of_file), k)
^  Fail: (227) [user] is_delimiter(k)
   Call: (227) [system] ')'==k
   Fail: (227) [system] ')'==k
   Call: (227) [system] get_char((0x563acd73bee0), k)
   Exit: (227) [system] get_char((0x563acd73bee0), k)
   Call: (227) [system] k=(\)
   Fail: (227) [system] k=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _1994568)
   Call: (228) [system] peek_char((0x563acd73bee0), _1995502)
   Exit: (228) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _1994568=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (227) [system] _1980632=[k]
   Exit: (227) [system] [k]=[k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (226) [system] _1966696=[n, k]
   Exit: (226) [system] [n, k]=[n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (225) [system] _1952760=[i, n, k]
   Exit: (225) [system] [i, n, k]=[i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (224) [system] _1938824=['L', i, n, k]
   Exit: (224) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (223) [system] _1924888=[d, 'L', i, n, k]
   Exit: (223) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, 'L', i, n, k])
   Call: (222) [system] _1910952=[n, d, 'L', i, n, k]
   Exit: (222) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, d, 'L', i, n, k])
^  Call: (221) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _1875442)
^  Call: (222) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _2021550)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_2022502, _2022504), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _2021550), _2022484, fail)), '$restore_trace'(_2022502, _2022504))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_2022502, _2022504))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _2021550), _2022484, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_2021550)
   Fail: (223) [system] atomic(_2021550)
   Call: (223) [system] atom_chars(_2021550, ['A', n, d, 'L', i, n, k])
   Exit: (223) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (222) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (222) [system] integer('AndLink')
   Fail: (222) [system] integer('AndLink')
   Call: (222) [system] _1875442='AndLink'
   Exit: (222) [system] 'AndLink'='AndLink'
^  Exit: (221) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (220) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'AndLink')
^  Exit: (219) [user] cont_sexpr(')', (0x563acd73bee0), 'AndLink')
^  Call: (219) [user] read_list(')', (0x563acd73bee0), _2036500)
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _2038358)
   Exit: (221) [system] peek_char((0x563acd73bee0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x563acd73bee0), _2047952)
   Exit: (221) [system] get_char((0x563acd73bee0), ' ')
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _2050656)
   Exit: (222) [system] peek_char((0x563acd73bee0), 'A')
   Call: (222) [system] 'A'=(;)
   Fail: (222) [system] 'A'=(;)
   Call: (222) [system] 'A'=(/)
   Fail: (222) [system] 'A'=(/)
^  Call: (222) [user] is_like_space('A')
   Call: (223) [system] char_type('A', 'white')
   Fail: (223) [system] char_type('A', 'white')
   Call: (223) [system] char_type('A', end_of_line)
   Fail: (223) [system] char_type('A', end_of_line)
   Call: (223) [system] char_type('A', space)
   Fail: (223) [system] char_type('A', space)
   Call: (223) [system] char_type('A', cntrl)
   Fail: (223) [system] char_type('A', cntrl)
^  Fail: (222) [user] is_like_space('A')
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _2067590)
   Exit: (220) [system] peek_char((0x563acd73bee0), 'A')
   Call: (220) [system] 'A'=')'
   Fail: (220) [system] 'A'=')'
   Call: (220) [system] 'A'=end_of_file
   Fail: (220) [system] 'A'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x563acd73bee0), _2073160)
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _2075018)
   Exit: (222) [system] peek_char((0x563acd73bee0), 'A')
   Call: (222) [system] 'A'=(;)
   Fail: (222) [system] 'A'=(;)
   Call: (222) [system] 'A'=(/)
   Fail: (222) [system] 'A'=(/)
^  Call: (222) [user] is_like_space('A')
   Call: (223) [system] char_type('A', 'white')
   Fail: (223) [system] char_type('A', 'white')
   Call: (223) [system] char_type('A', end_of_line)
   Fail: (223) [system] char_type('A', end_of_line)
   Call: (223) [system] char_type('A', space)
   Fail: (223) [system] char_type('A', space)
   Call: (223) [system] char_type('A', cntrl)
   Fail: (223) [system] char_type('A', cntrl)
^  Fail: (222) [user] is_like_space('A')
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] get_char((0x563acd73bee0), _2091028)
   Exit: (221) [system] get_char((0x563acd73bee0), 'A')
   Call: (221) [system] 'A'='('
   Fail: (221) [system] 'A'='('
   Call: (221) [system] 'A'='['
   Fail: (221) [system] 'A'='['
   Call: (221) [system] 'A'='{'
   Fail: (221) [system] 'A'='{'
   Call: (221) [system] 'A'='"'
   Fail: (221) [system] 'A'='"'
   Call: (221) [system] 'A'=!
   Fail: (221) [system] 'A'=!
   Call: (221) [system] 'A'='\''
   Fail: (221) [system] 'A'='\''
   Call: (221) [system] 'A'='`'
   Fail: (221) [system] 'A'='`'
   Call: (221) [system] 'A'=end_of_file
   Fail: (221) [system] 'A'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x563acd73bee0), 'A', _5894)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _17752)
   Call: (223) [system] peek_char((0x563acd73bee0), _18686)
   Exit: (223) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _17752=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (222) [user] classify_and_convert_charseq(['A'], _5894)
^  Call: (223) [user] classify_and_convert_charseq_(['A'], _27970)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_28922, _28924), once(user:catch(read_from_chars(['A'], _27970), _28904, fail)), '$restore_trace'(_28922, _28924))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_28922, _28924))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _27970), _28904, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_27970)
   Fail: (224) [system] atomic(_27970)
   Call: (224) [system] atom_chars(_27970, ['A'])
   Exit: (224) [system] atom_chars('A', ['A'])
^  Exit: (223) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (223) [system] integer('A')
   Fail: (223) [system] integer('A')
   Call: (223) [system] _5894='A'
   Exit: (223) [system] 'A'='A'
^  Exit: (222) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (221) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (220) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (220) [user] read_list(')', (0x563acd73bee0), _42920)
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _44778)
   Exit: (222) [system] peek_char((0x563acd73bee0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x563acd73bee0), _54372)
   Exit: (222) [system] get_char((0x563acd73bee0), ' ')
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _57076)
   Exit: (223) [system] peek_char((0x563acd73bee0), 'B')
   Call: (223) [system] 'B'=(;)
   Fail: (223) [system] 'B'=(;)
   Call: (223) [system] 'B'=(/)
   Fail: (223) [system] 'B'=(/)
^  Call: (223) [user] is_like_space('B')
   Call: (224) [system] char_type('B', 'white')
   Fail: (224) [system] char_type('B', 'white')
   Call: (224) [system] char_type('B', end_of_line)
   Fail: (224) [system] char_type('B', end_of_line)
   Call: (224) [system] char_type('B', space)
   Fail: (224) [system] char_type('B', space)
   Call: (224) [system] char_type('B', cntrl)
   Fail: (224) [system] char_type('B', cntrl)
^  Fail: (223) [user] is_like_space('B')
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _74010)
   Exit: (221) [system] peek_char((0x563acd73bee0), 'B')
   Call: (221) [system] 'B'=')'
   Fail: (221) [system] 'B'=')'
   Call: (221) [system] 'B'=end_of_file
   Fail: (221) [system] 'B'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x563acd73bee0), _79580)
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _81438)
   Exit: (223) [system] peek_char((0x563acd73bee0), 'B')
   Call: (223) [system] 'B'=(;)
   Fail: (223) [system] 'B'=(;)
   Call: (223) [system] 'B'=(/)
   Fail: (223) [system] 'B'=(/)
^  Call: (223) [user] is_like_space('B')
   Call: (224) [system] char_type('B', 'white')
   Fail: (224) [system] char_type('B', 'white')
   Call: (224) [system] char_type('B', end_of_line)
   Fail: (224) [system] char_type('B', end_of_line)
   Call: (224) [system] char_type('B', space)
   Fail: (224) [system] char_type('B', space)
   Call: (224) [system] char_type('B', cntrl)
   Fail: (224) [system] char_type('B', cntrl)
^  Fail: (223) [user] is_like_space('B')
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] get_char((0x563acd73bee0), _97448)
   Exit: (222) [system] get_char((0x563acd73bee0), 'B')
   Call: (222) [system] 'B'='('
   Fail: (222) [system] 'B'='('
   Call: (222) [system] 'B'='['
   Fail: (222) [system] 'B'='['
   Call: (222) [system] 'B'='{'
   Fail: (222) [system] 'B'='{'
   Call: (222) [system] 'B'='"'
   Fail: (222) [system] 'B'='"'
   Call: (222) [system] 'B'=!
   Fail: (222) [system] 'B'=!
   Call: (222) [system] 'B'='\''
   Fail: (222) [system] 'B'='\''
   Call: (222) [system] 'B'='`'
   Fail: (222) [system] 'B'='`'
   Call: (222) [system] 'B'=end_of_file
   Fail: (222) [system] 'B'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x563acd73bee0), 'B', _79580)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _115090)
   Call: (224) [system] peek_char((0x563acd73bee0), _116024)
   Exit: (224) [system] peek_char((0x563acd73bee0), ')')
^  Call: (224) [user] is_delimiter(')')
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] arg(_120744, v('(', ')', end_of_file), ')')
   Exit: (225) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (224) [user] is_delimiter(')')
   Call: (224) [system] _115090=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (223) [user] classify_and_convert_charseq(['B'], _79580)
^  Call: (224) [user] classify_and_convert_charseq_(['B'], _127180)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_128132, _128134), once(user:catch(read_from_chars(['B'], _127180), _128114, fail)), '$restore_trace'(_128132, _128134))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_128132, _128134))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _127180), _128114, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_127180)
   Fail: (225) [system] atomic(_127180)
   Call: (225) [system] atom_chars(_127180, ['B'])
   Exit: (225) [system] atom_chars('B', ['B'])
^  Exit: (224) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (224) [system] integer('B')
   Fail: (224) [system] integer('B')
   Call: (224) [system] _79580='B'
   Exit: (224) [system] 'B'='B'
^  Exit: (223) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (222) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (221) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (221) [user] read_list(')', (0x563acd73bee0), _142130)
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _143988)
   Exit: (223) [system] peek_char((0x563acd73bee0), ')')
   Call: (223) [system] ')'=(;)
   Fail: (223) [system] ')'=(;)
   Call: (223) [system] ')'=(/)
   Fail: (223) [system] ')'=(/)
^  Call: (223) [user] is_like_space(')')
   Call: (224) [system] char_type(')', 'white')
   Fail: (224) [system] char_type(')', 'white')
   Call: (224) [system] char_type(')', end_of_line)
   Fail: (224) [system] char_type(')', end_of_line)
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] char_type(')', cntrl)
   Fail: (224) [system] char_type(')', cntrl)
^  Fail: (223) [user] is_like_space(')')
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _159998)
   Exit: (222) [system] peek_char((0x563acd73bee0), ')')
   Call: (222) [system] ')'=')'
   Exit: (222) [system] ')'=')'
   Call: (222) [system] get_char((0x563acd73bee0), _163788)
   Exit: (222) [system] get_char((0x563acd73bee0), ')')
   Call: (222) [system] _142130=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_list(')', (0x563acd73bee0), [])
   Call: (221) [system] _42920=['B']
   Exit: (221) [system] ['B']=['B']
^  Exit: (220) [user] read_list(')', (0x563acd73bee0), ['B'])
   Call: (220) [system] _5890=['A', 'B']
   Exit: (220) [system] ['A', 'B']=['A', 'B']
^  Exit: (219) [user] read_list(')', (0x563acd73bee0), ['A', 'B'])
   Call: (219) [system] _5882=['AndLink', 'A', 'B']
   Exit: (219) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (218) [user] read_list(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Exit: (217) [user] cont_sexpr(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Call: (217) [user] read_list(')', (0x563acd73bee0), _177670)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _179528)
   Exit: (219) [system] peek_char((0x563acd73bee0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x563acd73bee0), _189122)
   Exit: (219) [system] get_char((0x563acd73bee0), ' ')
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _191826)
   Exit: (220) [system] peek_char((0x563acd73bee0), 'C')
   Call: (220) [system] 'C'=(;)
   Fail: (220) [system] 'C'=(;)
   Call: (220) [system] 'C'=(/)
   Fail: (220) [system] 'C'=(/)
^  Call: (220) [user] is_like_space('C')
   Call: (221) [system] char_type('C', 'white')
   Fail: (221) [system] char_type('C', 'white')
   Call: (221) [system] char_type('C', end_of_line)
   Fail: (221) [system] char_type('C', end_of_line)
   Call: (221) [system] char_type('C', space)
   Fail: (221) [system] char_type('C', space)
   Call: (221) [system] char_type('C', cntrl)
   Fail: (221) [system] char_type('C', cntrl)
^  Fail: (220) [user] is_like_space('C')
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _208760)
   Exit: (218) [system] peek_char((0x563acd73bee0), 'C')
   Call: (218) [system] 'C'=')'
   Fail: (218) [system] 'C'=')'
   Call: (218) [system] 'C'=end_of_file
   Fail: (218) [system] 'C'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x563acd73bee0), _214330)
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _216188)
   Exit: (220) [system] peek_char((0x563acd73bee0), 'C')
   Call: (220) [system] 'C'=(;)
   Fail: (220) [system] 'C'=(;)
   Call: (220) [system] 'C'=(/)
   Fail: (220) [system] 'C'=(/)
^  Call: (220) [user] is_like_space('C')
   Call: (221) [system] char_type('C', 'white')
   Fail: (221) [system] char_type('C', 'white')
   Call: (221) [system] char_type('C', end_of_line)
   Fail: (221) [system] char_type('C', end_of_line)
   Call: (221) [system] char_type('C', space)
   Fail: (221) [system] char_type('C', space)
   Call: (221) [system] char_type('C', cntrl)
   Fail: (221) [system] char_type('C', cntrl)
^  Fail: (220) [user] is_like_space('C')
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] get_char((0x563acd73bee0), _232198)
   Exit: (219) [system] get_char((0x563acd73bee0), 'C')
   Call: (219) [system] 'C'='('
   Fail: (219) [system] 'C'='('
   Call: (219) [system] 'C'='['
   Fail: (219) [system] 'C'='['
   Call: (219) [system] 'C'='{'
   Fail: (219) [system] 'C'='{'
   Call: (219) [system] 'C'='"'
   Fail: (219) [system] 'C'='"'
   Call: (219) [system] 'C'=!
   Fail: (219) [system] 'C'=!
   Call: (219) [system] 'C'='\''
   Fail: (219) [system] 'C'='\''
   Call: (219) [system] 'C'='`'
   Fail: (219) [system] 'C'='`'
   Call: (219) [system] 'C'=end_of_file
   Fail: (219) [system] 'C'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x563acd73bee0), 'C', _214330)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _249840)
   Call: (221) [system] peek_char((0x563acd73bee0), _250774)
   Exit: (221) [system] peek_char((0x563acd73bee0), ')')
^  Call: (221) [user] is_delimiter(')')
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] arg(_255494, v('(', ')', end_of_file), ')')
   Exit: (222) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (221) [user] is_delimiter(')')
   Call: (221) [system] _249840=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (220) [user] classify_and_convert_charseq(['C'], _214330)
^  Call: (221) [user] classify_and_convert_charseq_(['C'], _261930)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_262882, _262884), once(user:catch(read_from_chars(['C'], _261930), _262864, fail)), '$restore_trace'(_262882, _262884))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_262882, _262884))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _261930), _262864, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_261930)
   Fail: (222) [system] atomic(_261930)
   Call: (222) [system] atom_chars(_261930, ['C'])
   Exit: (222) [system] atom_chars('C', ['C'])
^  Exit: (221) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (221) [system] integer('C')
   Fail: (221) [system] integer('C')
   Call: (221) [system] _214330='C'
   Exit: (221) [system] 'C'='C'
^  Exit: (220) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (219) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (218) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (218) [user] read_list(')', (0x563acd73bee0), _276880)
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _278738)
   Exit: (220) [system] peek_char((0x563acd73bee0), ')')
   Call: (220) [system] ')'=(;)
   Fail: (220) [system] ')'=(;)
   Call: (220) [system] ')'=(/)
   Fail: (220) [system] ')'=(/)
^  Call: (220) [user] is_like_space(')')
   Call: (221) [system] char_type(')', 'white')
   Fail: (221) [system] char_type(')', 'white')
   Call: (221) [system] char_type(')', end_of_line)
   Fail: (221) [system] char_type(')', end_of_line)
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] char_type(')', cntrl)
   Fail: (221) [system] char_type(')', cntrl)
^  Fail: (220) [user] is_like_space(')')
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _294748)
   Exit: (219) [system] peek_char((0x563acd73bee0), ')')
   Call: (219) [system] ')'=')'
   Exit: (219) [system] ')'=')'
   Call: (219) [system] get_char((0x563acd73bee0), _298538)
   Exit: (219) [system] get_char((0x563acd73bee0), ')')
   Call: (219) [system] _276880=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_list(')', (0x563acd73bee0), [])
   Call: (218) [system] _177670=['C']
   Exit: (218) [system] ['C']=['C']
^  Exit: (217) [user] read_list(')', (0x563acd73bee0), ['C'])
   Call: (217) [system] _5878=[['AndLink', 'A', 'B'], 'C']
   Exit: (217) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (216) [user] read_list(')', (0x563acd73bee0), [['AndLink', 'A', 'B'], 'C'])
   Call: (216) [system] _5870=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (216) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (215) [user] read_list(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (214) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (214) [user] read_list(')', (0x563acd73bee0), _312420)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _314278)
   Exit: (216) [system] peek_char((0x563acd73bee0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x563acd73bee0), _323872)
   Exit: (216) [system] get_char((0x563acd73bee0), ' ')
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _326576)
   Exit: (217) [system] peek_char((0x563acd73bee0), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
   Call: (217) [system] '('=(/)
   Fail: (217) [system] '('=(/)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _343510)
   Exit: (215) [system] peek_char((0x563acd73bee0), '(')
   Call: (215) [system] '('=')'
   Fail: (215) [system] '('=')'
   Call: (215) [system] '('=end_of_file
   Fail: (215) [system] '('=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x563acd73bee0), _349080)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _350938)
   Exit: (217) [system] peek_char((0x563acd73bee0), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
   Call: (217) [system] '('=(/)
   Fail: (217) [system] '('=(/)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] get_char((0x563acd73bee0), _366948)
   Exit: (216) [system] get_char((0x563acd73bee0), '(')
   Call: (216) [system] '('='('
   Exit: (216) [system] '('='('
^  Call: (216) [user] read_list(')', (0x563acd73bee0), _349080)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _372518)
   Exit: (218) [system] peek_char((0x563acd73bee0), 'O')
   Call: (218) [system] 'O'=(;)
   Fail: (218) [system] 'O'=(;)
   Call: (218) [system] 'O'=(/)
   Fail: (218) [system] 'O'=(/)
^  Call: (218) [user] is_like_space('O')
   Call: (219) [system] char_type('O', 'white')
   Fail: (219) [system] char_type('O', 'white')
   Call: (219) [system] char_type('O', end_of_line)
   Fail: (219) [system] char_type('O', end_of_line)
   Call: (219) [system] char_type('O', space)
   Fail: (219) [system] char_type('O', space)
   Call: (219) [system] char_type('O', cntrl)
   Fail: (219) [system] char_type('O', cntrl)
^  Fail: (218) [user] is_like_space('O')
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _388528)
   Exit: (217) [system] peek_char((0x563acd73bee0), 'O')
   Call: (217) [system] 'O'=')'
   Fail: (217) [system] 'O'=')'
   Call: (217) [system] 'O'=end_of_file
   Fail: (217) [system] 'O'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x563acd73bee0), _394098)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _395956)
   Exit: (219) [system] peek_char((0x563acd73bee0), 'O')
   Call: (219) [system] 'O'=(;)
   Fail: (219) [system] 'O'=(;)
   Call: (219) [system] 'O'=(/)
   Fail: (219) [system] 'O'=(/)
^  Call: (219) [user] is_like_space('O')
   Call: (220) [system] char_type('O', 'white')
   Fail: (220) [system] char_type('O', 'white')
   Call: (220) [system] char_type('O', end_of_line)
   Fail: (220) [system] char_type('O', end_of_line)
   Call: (220) [system] char_type('O', space)
   Fail: (220) [system] char_type('O', space)
   Call: (220) [system] char_type('O', cntrl)
   Fail: (220) [system] char_type('O', cntrl)
^  Fail: (219) [user] is_like_space('O')
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] get_char((0x563acd73bee0), _411966)
   Exit: (218) [system] get_char((0x563acd73bee0), 'O')
   Call: (218) [system] 'O'='('
   Fail: (218) [system] 'O'='('
   Call: (218) [system] 'O'='['
   Fail: (218) [system] 'O'='['
   Call: (218) [system] 'O'='{'
   Fail: (218) [system] 'O'='{'
   Call: (218) [system] 'O'='"'
   Fail: (218) [system] 'O'='"'
   Call: (218) [system] 'O'=!
   Fail: (218) [system] 'O'=!
   Call: (218) [system] 'O'='\''
   Fail: (218) [system] 'O'='\''
   Call: (218) [system] 'O'='`'
   Fail: (218) [system] 'O'='`'
   Call: (218) [system] 'O'=end_of_file
   Fail: (218) [system] 'O'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x563acd73bee0), 'O', _394098)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _429608)
   Call: (220) [system] peek_char((0x563acd73bee0), _430542)
   Exit: (220) [system] peek_char((0x563acd73bee0), r)
^  Call: (220) [user] is_delimiter(r)
   Call: (221) [system] char_type(r, space)
   Fail: (221) [system] char_type(r, space)
   Call: (221) [system] arg(_435262, v('(', ')', end_of_file), r)
   Fail: (221) [system] arg(_436194, v('(', ')', end_of_file), r)
^  Fail: (220) [user] is_delimiter(r)
   Call: (220) [system] ')'==r
   Fail: (220) [system] ')'==r
   Call: (220) [system] get_char((0x563acd73bee0), r)
   Exit: (220) [system] get_char((0x563acd73bee0), r)
   Call: (220) [system] r=(\)
   Fail: (220) [system] r=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _443544)
   Call: (221) [system] peek_char((0x563acd73bee0), _444478)
   Exit: (221) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (221) [user] is_delimiter('L')
   Call: (222) [system] char_type('L', space)
   Fail: (222) [system] char_type('L', space)
   Call: (222) [system] arg(_449198, v('(', ')', end_of_file), 'L')
   Fail: (222) [system] arg(_450130, v('(', ')', end_of_file), 'L')
^  Fail: (221) [user] is_delimiter('L')
   Call: (221) [system] ')'=='L'
   Fail: (221) [system] ')'=='L'
   Call: (221) [system] get_char((0x563acd73bee0), 'L')
   Exit: (221) [system] get_char((0x563acd73bee0), 'L')
   Call: (221) [system] 'L'=(\)
   Fail: (221) [system] 'L'=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _457480)
   Call: (222) [system] peek_char((0x563acd73bee0), _458414)
   Exit: (222) [system] peek_char((0x563acd73bee0), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_463134, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_464066, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x563acd73bee0), i)
   Exit: (222) [system] get_char((0x563acd73bee0), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _471416)
   Call: (223) [system] peek_char((0x563acd73bee0), _472350)
   Exit: (223) [system] peek_char((0x563acd73bee0), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_477070, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_478002, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x563acd73bee0), n)
   Exit: (223) [system] get_char((0x563acd73bee0), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _485352)
   Call: (224) [system] peek_char((0x563acd73bee0), _486286)
   Exit: (224) [system] peek_char((0x563acd73bee0), k)
^  Call: (224) [user] is_delimiter(k)
   Call: (225) [system] char_type(k, space)
   Fail: (225) [system] char_type(k, space)
   Call: (225) [system] arg(_491006, v('(', ')', end_of_file), k)
   Fail: (225) [system] arg(_491938, v('(', ')', end_of_file), k)
^  Fail: (224) [user] is_delimiter(k)
   Call: (224) [system] ')'==k
   Fail: (224) [system] ')'==k
   Call: (224) [system] get_char((0x563acd73bee0), k)
   Exit: (224) [system] get_char((0x563acd73bee0), k)
   Call: (224) [system] k=(\)
   Fail: (224) [system] k=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _499288)
   Call: (225) [system] peek_char((0x563acd73bee0), _500222)
   Exit: (225) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _499288=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (224) [system] _485352=[k]
   Exit: (224) [system] [k]=[k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (223) [system] _471416=[n, k]
   Exit: (223) [system] [n, k]=[n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (222) [system] _457480=[i, n, k]
   Exit: (222) [system] [i, n, k]=[i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (221) [system] _443544=['L', i, n, k]
   Exit: (221) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (220) [system] _429608=[r, 'L', i, n, k]
   Exit: (220) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (219) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _394098)
^  Call: (220) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _523476)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_524428, _524430), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _523476), _524410, fail)), '$restore_trace'(_524428, _524430))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_524428, _524430))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _523476), _524410, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_523476)
   Fail: (221) [system] atomic(_523476)
   Call: (221) [system] atom_chars(_523476, ['O', r, 'L', i, n, k])
   Exit: (221) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (220) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (220) [system] integer('OrLink')
   Fail: (220) [system] integer('OrLink')
   Call: (220) [system] _394098='OrLink'
   Exit: (220) [system] 'OrLink'='OrLink'
^  Exit: (219) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (218) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (217) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (217) [user] read_list(')', (0x563acd73bee0), _538426)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _540284)
   Exit: (219) [system] peek_char((0x563acd73bee0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x563acd73bee0), _549878)
   Exit: (219) [system] get_char((0x563acd73bee0), ' ')
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _552582)
   Exit: (220) [system] peek_char((0x563acd73bee0), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _569516)
   Exit: (218) [system] peek_char((0x563acd73bee0), '(')
   Call: (218) [system] '('=')'
   Fail: (218) [system] '('=')'
   Call: (218) [system] '('=end_of_file
   Fail: (218) [system] '('=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x563acd73bee0), _575086)
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _576944)
   Exit: (220) [system] peek_char((0x563acd73bee0), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] get_char((0x563acd73bee0), _592954)
   Exit: (219) [system] get_char((0x563acd73bee0), '(')
   Call: (219) [system] '('='('
   Exit: (219) [system] '('='('
^  Call: (219) [user] read_list(')', (0x563acd73bee0), _575086)
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _598524)
   Exit: (221) [system] peek_char((0x563acd73bee0), 'I')
   Call: (221) [system] 'I'=(;)
   Fail: (221) [system] 'I'=(;)
   Call: (221) [system] 'I'=(/)
   Fail: (221) [system] 'I'=(/)
^  Call: (221) [user] is_like_space('I')
   Call: (222) [system] char_type('I', 'white')
   Fail: (222) [system] char_type('I', 'white')
   Call: (222) [system] char_type('I', end_of_line)
   Fail: (222) [system] char_type('I', end_of_line)
   Call: (222) [system] char_type('I', space)
   Fail: (222) [system] char_type('I', space)
   Call: (222) [system] char_type('I', cntrl)
   Fail: (222) [system] char_type('I', cntrl)
^  Fail: (221) [user] is_like_space('I')
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _614534)
   Exit: (220) [system] peek_char((0x563acd73bee0), 'I')
   Call: (220) [system] 'I'=')'
   Fail: (220) [system] 'I'=')'
   Call: (220) [system] 'I'=end_of_file
   Fail: (220) [system] 'I'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x563acd73bee0), _620104)
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _621962)
   Exit: (222) [system] peek_char((0x563acd73bee0), 'I')
   Call: (222) [system] 'I'=(;)
   Fail: (222) [system] 'I'=(;)
   Call: (222) [system] 'I'=(/)
   Fail: (222) [system] 'I'=(/)
^  Call: (222) [user] is_like_space('I')
   Call: (223) [system] char_type('I', 'white')
   Fail: (223) [system] char_type('I', 'white')
   Call: (223) [system] char_type('I', end_of_line)
   Fail: (223) [system] char_type('I', end_of_line)
   Call: (223) [system] char_type('I', space)
   Fail: (223) [system] char_type('I', space)
   Call: (223) [system] char_type('I', cntrl)
   Fail: (223) [system] char_type('I', cntrl)
^  Fail: (222) [user] is_like_space('I')
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] get_char((0x563acd73bee0), _637972)
   Exit: (221) [system] get_char((0x563acd73bee0), 'I')
   Call: (221) [system] 'I'='('
   Fail: (221) [system] 'I'='('
   Call: (221) [system] 'I'='['
   Fail: (221) [system] 'I'='['
   Call: (221) [system] 'I'='{'
   Fail: (221) [system] 'I'='{'
   Call: (221) [system] 'I'='"'
   Fail: (221) [system] 'I'='"'
   Call: (221) [system] 'I'=!
   Fail: (221) [system] 'I'=!
   Call: (221) [system] 'I'='\''
   Fail: (221) [system] 'I'='\''
   Call: (221) [system] 'I'='`'
   Fail: (221) [system] 'I'='`'
   Call: (221) [system] 'I'=end_of_file
   Fail: (221) [system] 'I'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x563acd73bee0), 'I', _620104)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _655614)
   Call: (223) [system] peek_char((0x563acd73bee0), _656548)
   Exit: (223) [system] peek_char((0x563acd73bee0), m)
^  Call: (223) [user] is_delimiter(m)
   Call: (224) [system] char_type(m, space)
   Fail: (224) [system] char_type(m, space)
   Call: (224) [system] arg(_661268, v('(', ')', end_of_file), m)
   Fail: (224) [system] arg(_662200, v('(', ')', end_of_file), m)
^  Fail: (223) [user] is_delimiter(m)
   Call: (223) [system] ')'==m
   Fail: (223) [system] ')'==m
   Call: (223) [system] get_char((0x563acd73bee0), m)
   Exit: (223) [system] get_char((0x563acd73bee0), m)
   Call: (223) [system] m=(\)
   Fail: (223) [system] m=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _669550)
   Call: (224) [system] peek_char((0x563acd73bee0), _670484)
   Exit: (224) [system] peek_char((0x563acd73bee0), p)
^  Call: (224) [user] is_delimiter(p)
   Call: (225) [system] char_type(p, space)
   Fail: (225) [system] char_type(p, space)
   Call: (225) [system] arg(_675204, v('(', ')', end_of_file), p)
   Fail: (225) [system] arg(_676136, v('(', ')', end_of_file), p)
^  Fail: (224) [user] is_delimiter(p)
   Call: (224) [system] ')'==p
   Fail: (224) [system] ')'==p
   Call: (224) [system] get_char((0x563acd73bee0), p)
   Exit: (224) [system] get_char((0x563acd73bee0), p)
   Call: (224) [system] p=(\)
   Fail: (224) [system] p=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _683486)
   Call: (225) [system] peek_char((0x563acd73bee0), _684420)
   Exit: (225) [system] peek_char((0x563acd73bee0), l)
^  Call: (225) [user] is_delimiter(l)
   Call: (226) [system] char_type(l, space)
   Fail: (226) [system] char_type(l, space)
   Call: (226) [system] arg(_689140, v('(', ')', end_of_file), l)
   Fail: (226) [system] arg(_690072, v('(', ')', end_of_file), l)
^  Fail: (225) [user] is_delimiter(l)
   Call: (225) [system] ')'==l
   Fail: (225) [system] ')'==l
   Call: (225) [system] get_char((0x563acd73bee0), l)
   Exit: (225) [system] get_char((0x563acd73bee0), l)
   Call: (225) [system] l=(\)
   Fail: (225) [system] l=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _697422)
   Call: (226) [system] peek_char((0x563acd73bee0), _698356)
   Exit: (226) [system] peek_char((0x563acd73bee0), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Fail: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_703076, v('(', ')', end_of_file), i)
   Fail: (227) [system] arg(_704008, v('(', ')', end_of_file), i)
^  Fail: (226) [user] is_delimiter(i)
   Call: (226) [system] ')'==i
   Fail: (226) [system] ')'==i
   Call: (226) [system] get_char((0x563acd73bee0), i)
   Exit: (226) [system] get_char((0x563acd73bee0), i)
   Call: (226) [system] i=(\)
   Fail: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _711358)
   Call: (227) [system] peek_char((0x563acd73bee0), _712292)
   Exit: (227) [system] peek_char((0x563acd73bee0), c)
^  Call: (227) [user] is_delimiter(c)
   Call: (228) [system] char_type(c, space)
   Fail: (228) [system] char_type(c, space)
   Call: (228) [system] arg(_717012, v('(', ')', end_of_file), c)
   Fail: (228) [system] arg(_717944, v('(', ')', end_of_file), c)
^  Fail: (227) [user] is_delimiter(c)
   Call: (227) [system] ')'==c
   Fail: (227) [system] ')'==c
   Call: (227) [system] get_char((0x563acd73bee0), c)
   Exit: (227) [system] get_char((0x563acd73bee0), c)
   Call: (227) [system] c=(\)
   Fail: (227) [system] c=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _725294)
   Call: (228) [system] peek_char((0x563acd73bee0), _726228)
   Exit: (228) [system] peek_char((0x563acd73bee0), a)
^  Call: (228) [user] is_delimiter(a)
   Call: (229) [system] char_type(a, space)
   Fail: (229) [system] char_type(a, space)
   Call: (229) [system] arg(_730948, v('(', ')', end_of_file), a)
   Fail: (229) [system] arg(_731880, v('(', ')', end_of_file), a)
^  Fail: (228) [user] is_delimiter(a)
   Call: (228) [system] ')'==a
   Fail: (228) [system] ')'==a
   Call: (228) [system] get_char((0x563acd73bee0), a)
   Exit: (228) [system] get_char((0x563acd73bee0), a)
   Call: (228) [system] a=(\)
   Fail: (228) [system] a=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _739230)
   Call: (229) [system] peek_char((0x563acd73bee0), _740164)
   Exit: (229) [system] peek_char((0x563acd73bee0), t)
^  Call: (229) [user] is_delimiter(t)
   Call: (230) [system] char_type(t, space)
   Fail: (230) [system] char_type(t, space)
   Call: (230) [system] arg(_744884, v('(', ')', end_of_file), t)
   Fail: (230) [system] arg(_745816, v('(', ')', end_of_file), t)
^  Fail: (229) [user] is_delimiter(t)
   Call: (229) [system] ')'==t
   Fail: (229) [system] ')'==t
   Call: (229) [system] get_char((0x563acd73bee0), t)
   Exit: (229) [system] get_char((0x563acd73bee0), t)
   Call: (229) [system] t=(\)
   Fail: (229) [system] t=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _753166)
   Call: (230) [system] peek_char((0x563acd73bee0), _754100)
   Exit: (230) [system] peek_char((0x563acd73bee0), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Fail: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_758820, v('(', ')', end_of_file), i)
   Fail: (231) [system] arg(_759752, v('(', ')', end_of_file), i)
^  Fail: (230) [user] is_delimiter(i)
   Call: (230) [system] ')'==i
   Fail: (230) [system] ')'==i
   Call: (230) [system] get_char((0x563acd73bee0), i)
   Exit: (230) [system] get_char((0x563acd73bee0), i)
   Call: (230) [system] i=(\)
   Fail: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _767102)
   Call: (231) [system] peek_char((0x563acd73bee0), _768036)
   Exit: (231) [system] peek_char((0x563acd73bee0), o)
^  Call: (231) [user] is_delimiter(o)
   Call: (232) [system] char_type(o, space)
   Fail: (232) [system] char_type(o, space)
   Call: (232) [system] arg(_772756, v('(', ')', end_of_file), o)
   Fail: (232) [system] arg(_773688, v('(', ')', end_of_file), o)
^  Fail: (231) [user] is_delimiter(o)
   Call: (231) [system] ')'==o
   Fail: (231) [system] ')'==o
   Call: (231) [system] get_char((0x563acd73bee0), o)
   Exit: (231) [system] get_char((0x563acd73bee0), o)
   Call: (231) [system] o=(\)
   Fail: (231) [system] o=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _781038)
   Call: (232) [system] peek_char((0x563acd73bee0), _781972)
   Exit: (232) [system] peek_char((0x563acd73bee0), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Fail: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_786692, v('(', ')', end_of_file), n)
   Fail: (233) [system] arg(_787624, v('(', ')', end_of_file), n)
^  Fail: (232) [user] is_delimiter(n)
   Call: (232) [system] ')'==n
   Fail: (232) [system] ')'==n
   Call: (232) [system] get_char((0x563acd73bee0), n)
   Exit: (232) [system] get_char((0x563acd73bee0), n)
   Call: (232) [system] n=(\)
   Fail: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _794974)
   Call: (233) [system] peek_char((0x563acd73bee0), _795908)
   Exit: (233) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _794974=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (232) [system] _781038=[n]
   Exit: (232) [system] [n]=[n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (231) [system] _767102=[o, n]
   Exit: (231) [system] [o, n]=[o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (230) [system] _753166=[i, o, n]
   Exit: (230) [system] [i, o, n]=[i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (229) [system] _739230=[t, i, o, n]
   Exit: (229) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (228) [system] _725294=[a, t, i, o, n]
   Exit: (228) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (227) [system] _711358=[c, a, t, i, o, n]
   Exit: (227) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (226) [system] _697422=[i, c, a, t, i, o, n]
   Exit: (226) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (225) [system] _683486=[l, i, c, a, t, i, o, n]
   Exit: (225) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (224) [system] _669550=[p, l, i, c, a, t, i, o, n]
   Exit: (224) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (223) [system] _655614=[m, p, l, i, c, a, t, i, o, n]
   Exit: (223) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (222) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _620104)
^  Call: (223) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _833132)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_834084, _834086), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _833132), _834066, fail)), '$restore_trace'(_834084, _834086))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_834084, _834086))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _833132), _834066, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_833132)
   Fail: (224) [system] atomic(_833132)
   Call: (224) [system] atom_chars(_833132, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (224) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (223) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (223) [system] integer('Implication')
   Fail: (223) [system] integer('Implication')
   Call: (223) [system] _620104='Implication'
   Exit: (223) [system] 'Implication'='Implication'
^  Exit: (222) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (221) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (220) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (220) [user] read_list(')', (0x563acd73bee0), _848082)
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _849940)
   Exit: (222) [system] peek_char((0x563acd73bee0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x563acd73bee0), _859534)
   Exit: (222) [system] get_char((0x563acd73bee0), ' ')
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _862238)
   Exit: (223) [system] peek_char((0x563acd73bee0), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
   Call: (223) [system] '('=(/)
   Fail: (223) [system] '('=(/)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _879172)
   Exit: (221) [system] peek_char((0x563acd73bee0), '(')
   Call: (221) [system] '('=')'
   Fail: (221) [system] '('=')'
   Call: (221) [system] '('=end_of_file
   Fail: (221) [system] '('=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x563acd73bee0), _884742)
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _886600)
   Exit: (223) [system] peek_char((0x563acd73bee0), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
   Call: (223) [system] '('=(/)
   Fail: (223) [system] '('=(/)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] get_char((0x563acd73bee0), _902610)
   Exit: (222) [system] get_char((0x563acd73bee0), '(')
   Call: (222) [system] '('='('
   Exit: (222) [system] '('='('
^  Call: (222) [user] read_list(')', (0x563acd73bee0), _884742)
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _908180)
   Exit: (224) [system] peek_char((0x563acd73bee0), 'O')
   Call: (224) [system] 'O'=(;)
   Fail: (224) [system] 'O'=(;)
   Call: (224) [system] 'O'=(/)
   Fail: (224) [system] 'O'=(/)
^  Call: (224) [user] is_like_space('O')
   Call: (225) [system] char_type('O', 'white')
   Fail: (225) [system] char_type('O', 'white')
   Call: (225) [system] char_type('O', end_of_line)
   Fail: (225) [system] char_type('O', end_of_line)
   Call: (225) [system] char_type('O', space)
   Fail: (225) [system] char_type('O', space)
   Call: (225) [system] char_type('O', cntrl)
   Fail: (225) [system] char_type('O', cntrl)
^  Fail: (224) [user] is_like_space('O')
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _924190)
   Exit: (223) [system] peek_char((0x563acd73bee0), 'O')
   Call: (223) [system] 'O'=')'
   Fail: (223) [system] 'O'=')'
   Call: (223) [system] 'O'=end_of_file
   Fail: (223) [system] 'O'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x563acd73bee0), _929760)
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _931618)
   Exit: (225) [system] peek_char((0x563acd73bee0), 'O')
   Call: (225) [system] 'O'=(;)
   Fail: (225) [system] 'O'=(;)
   Call: (225) [system] 'O'=(/)
   Fail: (225) [system] 'O'=(/)
^  Call: (225) [user] is_like_space('O')
   Call: (226) [system] char_type('O', 'white')
   Fail: (226) [system] char_type('O', 'white')
   Call: (226) [system] char_type('O', end_of_line)
   Fail: (226) [system] char_type('O', end_of_line)
   Call: (226) [system] char_type('O', space)
   Fail: (226) [system] char_type('O', space)
   Call: (226) [system] char_type('O', cntrl)
   Fail: (226) [system] char_type('O', cntrl)
^  Fail: (225) [user] is_like_space('O')
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] get_char((0x563acd73bee0), _947628)
   Exit: (224) [system] get_char((0x563acd73bee0), 'O')
   Call: (224) [system] 'O'='('
   Fail: (224) [system] 'O'='('
   Call: (224) [system] 'O'='['
   Fail: (224) [system] 'O'='['
   Call: (224) [system] 'O'='{'
   Fail: (224) [system] 'O'='{'
   Call: (224) [system] 'O'='"'
   Fail: (224) [system] 'O'='"'
   Call: (224) [system] 'O'=!
   Fail: (224) [system] 'O'=!
   Call: (224) [system] 'O'='\''
   Fail: (224) [system] 'O'='\''
   Call: (224) [system] 'O'='`'
   Fail: (224) [system] 'O'='`'
   Call: (224) [system] 'O'=end_of_file
   Fail: (224) [system] 'O'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x563acd73bee0), 'O', _929760)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _965270)
   Call: (226) [system] peek_char((0x563acd73bee0), _966204)
   Exit: (226) [system] peek_char((0x563acd73bee0), r)
^  Call: (226) [user] is_delimiter(r)
   Call: (227) [system] char_type(r, space)
   Fail: (227) [system] char_type(r, space)
   Call: (227) [system] arg(_970924, v('(', ')', end_of_file), r)
   Fail: (227) [system] arg(_971856, v('(', ')', end_of_file), r)
^  Fail: (226) [user] is_delimiter(r)
   Call: (226) [system] ')'==r
   Fail: (226) [system] ')'==r
   Call: (226) [system] get_char((0x563acd73bee0), r)
   Exit: (226) [system] get_char((0x563acd73bee0), r)
   Call: (226) [system] r=(\)
   Fail: (226) [system] r=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _979206)
   Call: (227) [system] peek_char((0x563acd73bee0), _980140)
   Exit: (227) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (227) [user] is_delimiter('L')
   Call: (228) [system] char_type('L', space)
   Fail: (228) [system] char_type('L', space)
   Call: (228) [system] arg(_984860, v('(', ')', end_of_file), 'L')
   Fail: (228) [system] arg(_985792, v('(', ')', end_of_file), 'L')
^  Fail: (227) [user] is_delimiter('L')
   Call: (227) [system] ')'=='L'
   Fail: (227) [system] ')'=='L'
   Call: (227) [system] get_char((0x563acd73bee0), 'L')
   Exit: (227) [system] get_char((0x563acd73bee0), 'L')
   Call: (227) [system] 'L'=(\)
   Fail: (227) [system] 'L'=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _993142)
   Call: (228) [system] peek_char((0x563acd73bee0), _994076)
   Exit: (228) [system] peek_char((0x563acd73bee0), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_998796, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_999728, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x563acd73bee0), i)
   Exit: (228) [system] get_char((0x563acd73bee0), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _1007078)
   Call: (229) [system] peek_char((0x563acd73bee0), _1008012)
   Exit: (229) [system] peek_char((0x563acd73bee0), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_1012732, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_1013664, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x563acd73bee0), n)
   Exit: (229) [system] get_char((0x563acd73bee0), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _1021014)
   Call: (230) [system] peek_char((0x563acd73bee0), _1021948)
   Exit: (230) [system] peek_char((0x563acd73bee0), k)
^  Call: (230) [user] is_delimiter(k)
   Call: (231) [system] char_type(k, space)
   Fail: (231) [system] char_type(k, space)
   Call: (231) [system] arg(_1026668, v('(', ')', end_of_file), k)
   Fail: (231) [system] arg(_1027600, v('(', ')', end_of_file), k)
^  Fail: (230) [user] is_delimiter(k)
   Call: (230) [system] ')'==k
   Fail: (230) [system] ')'==k
   Call: (230) [system] get_char((0x563acd73bee0), k)
   Exit: (230) [system] get_char((0x563acd73bee0), k)
   Call: (230) [system] k=(\)
   Fail: (230) [system] k=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _1034950)
   Call: (231) [system] peek_char((0x563acd73bee0), _1035884)
   Exit: (231) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _1034950=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (230) [system] _1021014=[k]
   Exit: (230) [system] [k]=[k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (229) [system] _1007078=[n, k]
   Exit: (229) [system] [n, k]=[n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (228) [system] _993142=[i, n, k]
   Exit: (228) [system] [i, n, k]=[i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (227) [system] _979206=['L', i, n, k]
   Exit: (227) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (226) [system] _965270=[r, 'L', i, n, k]
   Exit: (226) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (225) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _929760)
^  Call: (226) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1059138)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_1060090, _1060092), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1059138), _1060072, fail)), '$restore_trace'(_1060090, _1060092))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_1060090, _1060092))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1059138), _1060072, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_1059138)
   Fail: (227) [system] atomic(_1059138)
   Call: (227) [system] atom_chars(_1059138, ['O', r, 'L', i, n, k])
   Exit: (227) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (226) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (226) [system] integer('OrLink')
   Fail: (226) [system] integer('OrLink')
   Call: (226) [system] _929760='OrLink'
   Exit: (226) [system] 'OrLink'='OrLink'
^  Exit: (225) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (224) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (223) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (223) [user] read_list(')', (0x563acd73bee0), _1074088)
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _1075946)
   Exit: (225) [system] peek_char((0x563acd73bee0), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
   Call: (225) [system] ' '=(/)
   Fail: (225) [system] ' '=(/)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x563acd73bee0), _1085540)
   Exit: (225) [system] get_char((0x563acd73bee0), ' ')
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _1088244)
   Exit: (226) [system] peek_char((0x563acd73bee0), 'C')
   Call: (226) [system] 'C'=(;)
   Fail: (226) [system] 'C'=(;)
   Call: (226) [system] 'C'=(/)
   Fail: (226) [system] 'C'=(/)
^  Call: (226) [user] is_like_space('C')
   Call: (227) [system] char_type('C', 'white')
   Fail: (227) [system] char_type('C', 'white')
   Call: (227) [system] char_type('C', end_of_line)
   Fail: (227) [system] char_type('C', end_of_line)
   Call: (227) [system] char_type('C', space)
   Fail: (227) [system] char_type('C', space)
   Call: (227) [system] char_type('C', cntrl)
   Fail: (227) [system] char_type('C', cntrl)
^  Fail: (226) [user] is_like_space('C')
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _1105178)
   Exit: (224) [system] peek_char((0x563acd73bee0), 'C')
   Call: (224) [system] 'C'=')'
   Fail: (224) [system] 'C'=')'
   Call: (224) [system] 'C'=end_of_file
   Fail: (224) [system] 'C'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x563acd73bee0), _1110748)
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _1112606)
   Exit: (226) [system] peek_char((0x563acd73bee0), 'C')
   Call: (226) [system] 'C'=(;)
   Fail: (226) [system] 'C'=(;)
   Call: (226) [system] 'C'=(/)
   Fail: (226) [system] 'C'=(/)
^  Call: (226) [user] is_like_space('C')
   Call: (227) [system] char_type('C', 'white')
   Fail: (227) [system] char_type('C', 'white')
   Call: (227) [system] char_type('C', end_of_line)
   Fail: (227) [system] char_type('C', end_of_line)
   Call: (227) [system] char_type('C', space)
   Fail: (227) [system] char_type('C', space)
   Call: (227) [system] char_type('C', cntrl)
   Fail: (227) [system] char_type('C', cntrl)
^  Fail: (226) [user] is_like_space('C')
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] get_char((0x563acd73bee0), _1128616)
   Exit: (225) [system] get_char((0x563acd73bee0), 'C')
   Call: (225) [system] 'C'='('
   Fail: (225) [system] 'C'='('
   Call: (225) [system] 'C'='['
   Fail: (225) [system] 'C'='['
   Call: (225) [system] 'C'='{'
   Fail: (225) [system] 'C'='{'
   Call: (225) [system] 'C'='"'
   Fail: (225) [system] 'C'='"'
   Call: (225) [system] 'C'=!
   Fail: (225) [system] 'C'=!
   Call: (225) [system] 'C'='\''
   Fail: (225) [system] 'C'='\''
   Call: (225) [system] 'C'='`'
   Fail: (225) [system] 'C'='`'
   Call: (225) [system] 'C'=end_of_file
   Fail: (225) [system] 'C'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x563acd73bee0), 'C', _1110748)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _1146258)
   Call: (227) [system] peek_char((0x563acd73bee0), _1147192)
   Exit: (227) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _1146258=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (226) [user] classify_and_convert_charseq(['C'], _1110748)
^  Call: (227) [user] classify_and_convert_charseq_(['C'], _1156476)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1157428, _1157430), once(user:catch(read_from_chars(['C'], _1156476), _1157410, fail)), '$restore_trace'(_1157428, _1157430))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1157428, _1157430))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1156476), _1157410, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_1156476)
   Fail: (228) [system] atomic(_1156476)
   Call: (228) [system] atom_chars(_1156476, ['C'])
   Exit: (228) [system] atom_chars('C', ['C'])
^  Exit: (227) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (227) [system] integer('C')
   Fail: (227) [system] integer('C')
   Call: (227) [system] _1110748='C'
   Exit: (227) [system] 'C'='C'
^  Exit: (226) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (225) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (224) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (224) [user] read_list(')', (0x563acd73bee0), _1171426)
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _1173284)
   Exit: (226) [system] peek_char((0x563acd73bee0), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x563acd73bee0), _1182878)
   Exit: (226) [system] get_char((0x563acd73bee0), ' ')
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _1185582)
   Exit: (227) [system] peek_char((0x563acd73bee0), 'D')
   Call: (227) [system] 'D'=(;)
   Fail: (227) [system] 'D'=(;)
   Call: (227) [system] 'D'=(/)
   Fail: (227) [system] 'D'=(/)
^  Call: (227) [user] is_like_space('D')
   Call: (228) [system] char_type('D', 'white')
   Fail: (228) [system] char_type('D', 'white')
   Call: (228) [system] char_type('D', end_of_line)
   Fail: (228) [system] char_type('D', end_of_line)
   Call: (228) [system] char_type('D', space)
   Fail: (228) [system] char_type('D', space)
   Call: (228) [system] char_type('D', cntrl)
   Fail: (228) [system] char_type('D', cntrl)
^  Fail: (227) [user] is_like_space('D')
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _1202516)
   Exit: (225) [system] peek_char((0x563acd73bee0), 'D')
   Call: (225) [system] 'D'=')'
   Fail: (225) [system] 'D'=')'
   Call: (225) [system] 'D'=end_of_file
   Fail: (225) [system] 'D'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x563acd73bee0), _1208086)
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _1209944)
   Exit: (227) [system] peek_char((0x563acd73bee0), 'D')
   Call: (227) [system] 'D'=(;)
   Fail: (227) [system] 'D'=(;)
   Call: (227) [system] 'D'=(/)
   Fail: (227) [system] 'D'=(/)
^  Call: (227) [user] is_like_space('D')
   Call: (228) [system] char_type('D', 'white')
   Fail: (228) [system] char_type('D', 'white')
   Call: (228) [system] char_type('D', end_of_line)
   Fail: (228) [system] char_type('D', end_of_line)
   Call: (228) [system] char_type('D', space)
   Fail: (228) [system] char_type('D', space)
   Call: (228) [system] char_type('D', cntrl)
   Fail: (228) [system] char_type('D', cntrl)
^  Fail: (227) [user] is_like_space('D')
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] get_char((0x563acd73bee0), _1225954)
   Exit: (226) [system] get_char((0x563acd73bee0), 'D')
   Call: (226) [system] 'D'='('
   Fail: (226) [system] 'D'='('
   Call: (226) [system] 'D'='['
   Fail: (226) [system] 'D'='['
   Call: (226) [system] 'D'='{'
   Fail: (226) [system] 'D'='{'
   Call: (226) [system] 'D'='"'
   Fail: (226) [system] 'D'='"'
   Call: (226) [system] 'D'=!
   Fail: (226) [system] 'D'=!
   Call: (226) [system] 'D'='\''
   Fail: (226) [system] 'D'='\''
   Call: (226) [system] 'D'='`'
   Fail: (226) [system] 'D'='`'
   Call: (226) [system] 'D'=end_of_file
   Fail: (226) [system] 'D'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x563acd73bee0), 'D', _1208086)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _1243596)
   Call: (228) [system] peek_char((0x563acd73bee0), _1244530)
   Exit: (228) [system] peek_char((0x563acd73bee0), ')')
^  Call: (228) [user] is_delimiter(')')
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] arg(_1249250, v('(', ')', end_of_file), ')')
   Exit: (229) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (228) [user] is_delimiter(')')
   Call: (228) [system] _1243596=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (227) [user] classify_and_convert_charseq(['D'], _1208086)
^  Call: (228) [user] classify_and_convert_charseq_(['D'], _1255686)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_1256638, _1256640), once(user:catch(read_from_chars(['D'], _1255686), _1256620, fail)), '$restore_trace'(_1256638, _1256640))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_1256638, _1256640))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1255686), _1256620, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_1255686)
   Fail: (229) [system] atomic(_1255686)
   Call: (229) [system] atom_chars(_1255686, ['D'])
   Exit: (229) [system] atom_chars('D', ['D'])
^  Exit: (228) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (228) [system] integer('D')
   Fail: (228) [system] integer('D')
   Call: (228) [system] _1208086='D'
   Exit: (228) [system] 'D'='D'
^  Exit: (227) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (226) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'D')
^  Exit: (225) [user] cont_sexpr(')', (0x563acd73bee0), 'D')
^  Call: (225) [user] read_list(')', (0x563acd73bee0), _1270636)
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _1272494)
   Exit: (227) [system] peek_char((0x563acd73bee0), ')')
   Call: (227) [system] ')'=(;)
   Fail: (227) [system] ')'=(;)
   Call: (227) [system] ')'=(/)
   Fail: (227) [system] ')'=(/)
^  Call: (227) [user] is_like_space(')')
   Call: (228) [system] char_type(')', 'white')
   Fail: (228) [system] char_type(')', 'white')
   Call: (228) [system] char_type(')', end_of_line)
   Fail: (228) [system] char_type(')', end_of_line)
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] char_type(')', cntrl)
   Fail: (228) [system] char_type(')', cntrl)
^  Fail: (227) [user] is_like_space(')')
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _1288504)
   Exit: (226) [system] peek_char((0x563acd73bee0), ')')
   Call: (226) [system] ')'=')'
   Exit: (226) [system] ')'=')'
   Call: (226) [system] get_char((0x563acd73bee0), _1292294)
   Exit: (226) [system] get_char((0x563acd73bee0), ')')
   Call: (226) [system] _1270636=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_list(')', (0x563acd73bee0), [])
   Call: (225) [system] _1171426=['D']
   Exit: (225) [system] ['D']=['D']
^  Exit: (224) [user] read_list(')', (0x563acd73bee0), ['D'])
   Call: (224) [system] _1074088=['C', 'D']
   Exit: (224) [system] ['C', 'D']=['C', 'D']
^  Exit: (223) [user] read_list(')', (0x563acd73bee0), ['C', 'D'])
   Call: (223) [system] _884742=['OrLink', 'C', 'D']
   Exit: (223) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (222) [user] read_list(')', (0x563acd73bee0), ['OrLink', 'C', 'D'])
^  Exit: (221) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', 'C', 'D'])
^  Call: (221) [user] read_list(')', (0x563acd73bee0), _1306176)
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _1308034)
   Exit: (223) [system] peek_char((0x563acd73bee0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x563acd73bee0), _1317628)
   Exit: (223) [system] get_char((0x563acd73bee0), ' ')
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _1320332)
   Exit: (224) [system] peek_char((0x563acd73bee0), 'E')
   Call: (224) [system] 'E'=(;)
   Fail: (224) [system] 'E'=(;)
   Call: (224) [system] 'E'=(/)
   Fail: (224) [system] 'E'=(/)
^  Call: (224) [user] is_like_space('E')
   Call: (225) [system] char_type('E', 'white')
   Fail: (225) [system] char_type('E', 'white')
   Call: (225) [system] char_type('E', end_of_line)
   Fail: (225) [system] char_type('E', end_of_line)
   Call: (225) [system] char_type('E', space)
   Fail: (225) [system] char_type('E', space)
   Call: (225) [system] char_type('E', cntrl)
   Fail: (225) [system] char_type('E', cntrl)
^  Fail: (224) [user] is_like_space('E')
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _1337266)
   Exit: (222) [system] peek_char((0x563acd73bee0), 'E')
   Call: (222) [system] 'E'=')'
   Fail: (222) [system] 'E'=')'
   Call: (222) [system] 'E'=end_of_file
   Fail: (222) [system] 'E'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x563acd73bee0), _1342836)
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _1344694)
   Exit: (224) [system] peek_char((0x563acd73bee0), 'E')
   Call: (224) [system] 'E'=(;)
   Fail: (224) [system] 'E'=(;)
   Call: (224) [system] 'E'=(/)
   Fail: (224) [system] 'E'=(/)
^  Call: (224) [user] is_like_space('E')
   Call: (225) [system] char_type('E', 'white')
   Fail: (225) [system] char_type('E', 'white')
   Call: (225) [system] char_type('E', end_of_line)
   Fail: (225) [system] char_type('E', end_of_line)
   Call: (225) [system] char_type('E', space)
   Fail: (225) [system] char_type('E', space)
   Call: (225) [system] char_type('E', cntrl)
   Fail: (225) [system] char_type('E', cntrl)
^  Fail: (224) [user] is_like_space('E')
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] get_char((0x563acd73bee0), _1360704)
   Exit: (223) [system] get_char((0x563acd73bee0), 'E')
   Call: (223) [system] 'E'='('
   Fail: (223) [system] 'E'='('
   Call: (223) [system] 'E'='['
   Fail: (223) [system] 'E'='['
   Call: (223) [system] 'E'='{'
   Fail: (223) [system] 'E'='{'
   Call: (223) [system] 'E'='"'
   Fail: (223) [system] 'E'='"'
   Call: (223) [system] 'E'=!
   Fail: (223) [system] 'E'=!
   Call: (223) [system] 'E'='\''
   Fail: (223) [system] 'E'='\''
   Call: (223) [system] 'E'='`'
   Fail: (223) [system] 'E'='`'
   Call: (223) [system] 'E'=end_of_file
   Fail: (223) [system] 'E'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x563acd73bee0), 'E', _1342836)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _1378346)
   Call: (225) [system] peek_char((0x563acd73bee0), _1379280)
   Exit: (225) [system] peek_char((0x563acd73bee0), ')')
^  Call: (225) [user] is_delimiter(')')
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] arg(_1384000, v('(', ')', end_of_file), ')')
   Exit: (226) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (225) [user] is_delimiter(')')
   Call: (225) [system] _1378346=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (224) [user] classify_and_convert_charseq(['E'], _1342836)
^  Call: (225) [user] classify_and_convert_charseq_(['E'], _1390436)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1391388, _1391390), once(user:catch(read_from_chars(['E'], _1390436), _1391370, fail)), '$restore_trace'(_1391388, _1391390))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1391388, _1391390))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1390436), _1391370, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_1390436)
   Fail: (226) [system] atomic(_1390436)
   Call: (226) [system] atom_chars(_1390436, ['E'])
   Exit: (226) [system] atom_chars('E', ['E'])
^  Exit: (225) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (225) [system] integer('E')
   Fail: (225) [system] integer('E')
   Call: (225) [system] _1342836='E'
   Exit: (225) [system] 'E'='E'
^  Exit: (224) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (223) [user] read_symbolic(')', (0x563acd73bee0), 'E', 'E')
^  Exit: (222) [user] cont_sexpr(')', (0x563acd73bee0), 'E')
^  Call: (222) [user] read_list(')', (0x563acd73bee0), _1405386)
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _1407244)
   Exit: (224) [system] peek_char((0x563acd73bee0), ')')
   Call: (224) [system] ')'=(;)
   Fail: (224) [system] ')'=(;)
   Call: (224) [system] ')'=(/)
   Fail: (224) [system] ')'=(/)
^  Call: (224) [user] is_like_space(')')
   Call: (225) [system] char_type(')', 'white')
   Fail: (225) [system] char_type(')', 'white')
   Call: (225) [system] char_type(')', end_of_line)
   Fail: (225) [system] char_type(')', end_of_line)
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] char_type(')', cntrl)
   Fail: (225) [system] char_type(')', cntrl)
^  Fail: (224) [user] is_like_space(')')
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _1423254)
   Exit: (223) [system] peek_char((0x563acd73bee0), ')')
   Call: (223) [system] ')'=')'
   Exit: (223) [system] ')'=')'
   Call: (223) [system] get_char((0x563acd73bee0), _1427044)
   Exit: (223) [system] get_char((0x563acd73bee0), ')')
   Call: (223) [system] _1405386=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_list(')', (0x563acd73bee0), [])
   Call: (222) [system] _1306176=['E']
   Exit: (222) [system] ['E']=['E']
^  Exit: (221) [user] read_list(')', (0x563acd73bee0), ['E'])
   Call: (221) [system] _848082=[['OrLink', 'C', 'D'], 'E']
   Exit: (221) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (220) [user] read_list(')', (0x563acd73bee0), [['OrLink', 'C', 'D'], 'E'])
   Call: (220) [system] _575086=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (220) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (219) [user] read_list(')', (0x563acd73bee0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (218) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (218) [user] read_list(')', (0x563acd73bee0), _1440926)
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _1442784)
   Exit: (220) [system] peek_char((0x563acd73bee0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x563acd73bee0), _1452378)
   Exit: (220) [system] get_char((0x563acd73bee0), ' ')
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _1455082)
   Exit: (221) [system] peek_char((0x563acd73bee0), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _1472016)
   Exit: (219) [system] peek_char((0x563acd73bee0), '(')
   Call: (219) [system] '('=')'
   Fail: (219) [system] '('=')'
   Call: (219) [system] '('=end_of_file
   Fail: (219) [system] '('=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x563acd73bee0), _1477586)
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _1479444)
   Exit: (221) [system] peek_char((0x563acd73bee0), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] get_char((0x563acd73bee0), _1495454)
   Exit: (220) [system] get_char((0x563acd73bee0), '(')
   Call: (220) [system] '('='('
   Exit: (220) [system] '('='('
^  Call: (220) [user] read_list(')', (0x563acd73bee0), _1477586)
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _1501024)
   Exit: (222) [system] peek_char((0x563acd73bee0), 'I')
   Call: (222) [system] 'I'=(;)
   Fail: (222) [system] 'I'=(;)
   Call: (222) [system] 'I'=(/)
   Fail: (222) [system] 'I'=(/)
^  Call: (222) [user] is_like_space('I')
   Call: (223) [system] char_type('I', 'white')
   Fail: (223) [system] char_type('I', 'white')
   Call: (223) [system] char_type('I', end_of_line)
   Fail: (223) [system] char_type('I', end_of_line)
   Call: (223) [system] char_type('I', space)
   Fail: (223) [system] char_type('I', space)
   Call: (223) [system] char_type('I', cntrl)
   Fail: (223) [system] char_type('I', cntrl)
^  Fail: (222) [user] is_like_space('I')
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _1517034)
   Exit: (221) [system] peek_char((0x563acd73bee0), 'I')
   Call: (221) [system] 'I'=')'
   Fail: (221) [system] 'I'=')'
   Call: (221) [system] 'I'=end_of_file
   Fail: (221) [system] 'I'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x563acd73bee0), _1522604)
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _1524462)
   Exit: (223) [system] peek_char((0x563acd73bee0), 'I')
   Call: (223) [system] 'I'=(;)
   Fail: (223) [system] 'I'=(;)
   Call: (223) [system] 'I'=(/)
   Fail: (223) [system] 'I'=(/)
^  Call: (223) [user] is_like_space('I')
   Call: (224) [system] char_type('I', 'white')
   Fail: (224) [system] char_type('I', 'white')
   Call: (224) [system] char_type('I', end_of_line)
   Fail: (224) [system] char_type('I', end_of_line)
   Call: (224) [system] char_type('I', space)
   Fail: (224) [system] char_type('I', space)
   Call: (224) [system] char_type('I', cntrl)
   Fail: (224) [system] char_type('I', cntrl)
^  Fail: (223) [user] is_like_space('I')
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] get_char((0x563acd73bee0), _1540472)
   Exit: (222) [system] get_char((0x563acd73bee0), 'I')
   Call: (222) [system] 'I'='('
   Fail: (222) [system] 'I'='('
   Call: (222) [system] 'I'='['
   Fail: (222) [system] 'I'='['
   Call: (222) [system] 'I'='{'
   Fail: (222) [system] 'I'='{'
   Call: (222) [system] 'I'='"'
   Fail: (222) [system] 'I'='"'
   Call: (222) [system] 'I'=!
   Fail: (222) [system] 'I'=!
   Call: (222) [system] 'I'='\''
   Fail: (222) [system] 'I'='\''
   Call: (222) [system] 'I'='`'
   Fail: (222) [system] 'I'='`'
   Call: (222) [system] 'I'=end_of_file
   Fail: (222) [system] 'I'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x563acd73bee0), 'I', _1522604)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _1558114)
   Call: (224) [system] peek_char((0x563acd73bee0), _1559048)
   Exit: (224) [system] peek_char((0x563acd73bee0), m)
^  Call: (224) [user] is_delimiter(m)
   Call: (225) [system] char_type(m, space)
   Fail: (225) [system] char_type(m, space)
   Call: (225) [system] arg(_1563768, v('(', ')', end_of_file), m)
   Fail: (225) [system] arg(_1564700, v('(', ')', end_of_file), m)
^  Fail: (224) [user] is_delimiter(m)
   Call: (224) [system] ')'==m
   Fail: (224) [system] ')'==m
   Call: (224) [system] get_char((0x563acd73bee0), m)
   Exit: (224) [system] get_char((0x563acd73bee0), m)
   Call: (224) [system] m=(\)
   Fail: (224) [system] m=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _1572050)
   Call: (225) [system] peek_char((0x563acd73bee0), _1572984)
   Exit: (225) [system] peek_char((0x563acd73bee0), p)
^  Call: (225) [user] is_delimiter(p)
   Call: (226) [system] char_type(p, space)
   Fail: (226) [system] char_type(p, space)
   Call: (226) [system] arg(_1577704, v('(', ')', end_of_file), p)
   Fail: (226) [system] arg(_1578636, v('(', ')', end_of_file), p)
^  Fail: (225) [user] is_delimiter(p)
   Call: (225) [system] ')'==p
   Fail: (225) [system] ')'==p
   Call: (225) [system] get_char((0x563acd73bee0), p)
   Exit: (225) [system] get_char((0x563acd73bee0), p)
   Call: (225) [system] p=(\)
   Fail: (225) [system] p=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _1585986)
   Call: (226) [system] peek_char((0x563acd73bee0), _1586920)
   Exit: (226) [system] peek_char((0x563acd73bee0), l)
^  Call: (226) [user] is_delimiter(l)
   Call: (227) [system] char_type(l, space)
   Fail: (227) [system] char_type(l, space)
   Call: (227) [system] arg(_1591640, v('(', ')', end_of_file), l)
   Fail: (227) [system] arg(_1592572, v('(', ')', end_of_file), l)
^  Fail: (226) [user] is_delimiter(l)
   Call: (226) [system] ')'==l
   Fail: (226) [system] ')'==l
   Call: (226) [system] get_char((0x563acd73bee0), l)
   Exit: (226) [system] get_char((0x563acd73bee0), l)
   Call: (226) [system] l=(\)
   Fail: (226) [system] l=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _1599922)
   Call: (227) [system] peek_char((0x563acd73bee0), _1600856)
   Exit: (227) [system] peek_char((0x563acd73bee0), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_1605576, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_1606508, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x563acd73bee0), i)
   Exit: (227) [system] get_char((0x563acd73bee0), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _1613858)
   Call: (228) [system] peek_char((0x563acd73bee0), _1614792)
   Exit: (228) [system] peek_char((0x563acd73bee0), c)
^  Call: (228) [user] is_delimiter(c)
   Call: (229) [system] char_type(c, space)
   Fail: (229) [system] char_type(c, space)
   Call: (229) [system] arg(_1619512, v('(', ')', end_of_file), c)
   Fail: (229) [system] arg(_1620444, v('(', ')', end_of_file), c)
^  Fail: (228) [user] is_delimiter(c)
   Call: (228) [system] ')'==c
   Fail: (228) [system] ')'==c
   Call: (228) [system] get_char((0x563acd73bee0), c)
   Exit: (228) [system] get_char((0x563acd73bee0), c)
   Call: (228) [system] c=(\)
   Fail: (228) [system] c=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _1627794)
   Call: (229) [system] peek_char((0x563acd73bee0), _1628728)
   Exit: (229) [system] peek_char((0x563acd73bee0), a)
^  Call: (229) [user] is_delimiter(a)
   Call: (230) [system] char_type(a, space)
   Fail: (230) [system] char_type(a, space)
   Call: (230) [system] arg(_1633448, v('(', ')', end_of_file), a)
   Fail: (230) [system] arg(_1634380, v('(', ')', end_of_file), a)
^  Fail: (229) [user] is_delimiter(a)
   Call: (229) [system] ')'==a
   Fail: (229) [system] ')'==a
   Call: (229) [system] get_char((0x563acd73bee0), a)
   Exit: (229) [system] get_char((0x563acd73bee0), a)
   Call: (229) [system] a=(\)
   Fail: (229) [system] a=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _1641730)
   Call: (230) [system] peek_char((0x563acd73bee0), _1642664)
   Exit: (230) [system] peek_char((0x563acd73bee0), t)
^  Call: (230) [user] is_delimiter(t)
   Call: (231) [system] char_type(t, space)
   Fail: (231) [system] char_type(t, space)
   Call: (231) [system] arg(_1647384, v('(', ')', end_of_file), t)
   Fail: (231) [system] arg(_1648316, v('(', ')', end_of_file), t)
^  Fail: (230) [user] is_delimiter(t)
   Call: (230) [system] ')'==t
   Fail: (230) [system] ')'==t
   Call: (230) [system] get_char((0x563acd73bee0), t)
   Exit: (230) [system] get_char((0x563acd73bee0), t)
   Call: (230) [system] t=(\)
   Fail: (230) [system] t=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _1655666)
   Call: (231) [system] peek_char((0x563acd73bee0), _1656600)
   Exit: (231) [system] peek_char((0x563acd73bee0), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Fail: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_1661320, v('(', ')', end_of_file), i)
   Fail: (232) [system] arg(_1662252, v('(', ')', end_of_file), i)
^  Fail: (231) [user] is_delimiter(i)
   Call: (231) [system] ')'==i
   Fail: (231) [system] ')'==i
   Call: (231) [system] get_char((0x563acd73bee0), i)
   Exit: (231) [system] get_char((0x563acd73bee0), i)
   Call: (231) [system] i=(\)
   Fail: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _1669602)
   Call: (232) [system] peek_char((0x563acd73bee0), _1670536)
   Exit: (232) [system] peek_char((0x563acd73bee0), o)
^  Call: (232) [user] is_delimiter(o)
   Call: (233) [system] char_type(o, space)
   Fail: (233) [system] char_type(o, space)
   Call: (233) [system] arg(_1675256, v('(', ')', end_of_file), o)
   Fail: (233) [system] arg(_1676188, v('(', ')', end_of_file), o)
^  Fail: (232) [user] is_delimiter(o)
   Call: (232) [system] ')'==o
   Fail: (232) [system] ')'==o
   Call: (232) [system] get_char((0x563acd73bee0), o)
   Exit: (232) [system] get_char((0x563acd73bee0), o)
   Call: (232) [system] o=(\)
   Fail: (232) [system] o=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _1683538)
   Call: (233) [system] peek_char((0x563acd73bee0), _1684472)
   Exit: (233) [system] peek_char((0x563acd73bee0), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_1689192, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_1690124, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x563acd73bee0), n)
   Exit: (233) [system] get_char((0x563acd73bee0), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), _1697474)
   Call: (234) [system] peek_char((0x563acd73bee0), _1698408)
   Exit: (234) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _1697474=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (233) [system] _1683538=[n]
   Exit: (233) [system] [n]=[n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (232) [system] _1669602=[o, n]
   Exit: (232) [system] [o, n]=[o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (231) [system] _1655666=[i, o, n]
   Exit: (231) [system] [i, o, n]=[i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (230) [system] _1641730=[t, i, o, n]
   Exit: (230) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (229) [system] _1627794=[a, t, i, o, n]
   Exit: (229) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (228) [system] _1613858=[c, a, t, i, o, n]
   Exit: (228) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (227) [system] _1599922=[i, c, a, t, i, o, n]
   Exit: (227) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (226) [system] _1585986=[l, i, c, a, t, i, o, n]
   Exit: (226) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (225) [system] _1572050=[p, l, i, c, a, t, i, o, n]
   Exit: (225) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (224) [system] _1558114=[m, p, l, i, c, a, t, i, o, n]
   Exit: (224) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (223) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1522604)
^  Call: (224) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1735632)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_1736584, _1736586), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1735632), _1736566, fail)), '$restore_trace'(_1736584, _1736586))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_1736584, _1736586))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1735632), _1736566, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_1735632)
   Fail: (225) [system] atomic(_1735632)
   Call: (225) [system] atom_chars(_1735632, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (225) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (224) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (224) [system] integer('Implication')
   Fail: (224) [system] integer('Implication')
   Call: (224) [system] _1522604='Implication'
   Exit: (224) [system] 'Implication'='Implication'
^  Exit: (223) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (222) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (221) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (221) [user] read_list(')', (0x563acd73bee0), _1750582)
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _1752440)
   Exit: (223) [system] peek_char((0x563acd73bee0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x563acd73bee0), _1762034)
   Exit: (223) [system] get_char((0x563acd73bee0), ' ')
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _1764738)
   Exit: (224) [system] peek_char((0x563acd73bee0), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
   Call: (224) [system] '('=(/)
   Fail: (224) [system] '('=(/)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _1781672)
   Exit: (222) [system] peek_char((0x563acd73bee0), '(')
   Call: (222) [system] '('=')'
   Fail: (222) [system] '('=')'
   Call: (222) [system] '('=end_of_file
   Fail: (222) [system] '('=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x563acd73bee0), _1787242)
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _1789100)
   Exit: (224) [system] peek_char((0x563acd73bee0), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
   Call: (224) [system] '('=(/)
   Fail: (224) [system] '('=(/)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] get_char((0x563acd73bee0), _1805110)
   Exit: (223) [system] get_char((0x563acd73bee0), '(')
   Call: (223) [system] '('='('
   Exit: (223) [system] '('='('
^  Call: (223) [user] read_list(')', (0x563acd73bee0), _1787242)
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _1810680)
   Exit: (225) [system] peek_char((0x563acd73bee0), 'O')
   Call: (225) [system] 'O'=(;)
   Fail: (225) [system] 'O'=(;)
   Call: (225) [system] 'O'=(/)
   Fail: (225) [system] 'O'=(/)
^  Call: (225) [user] is_like_space('O')
   Call: (226) [system] char_type('O', 'white')
   Fail: (226) [system] char_type('O', 'white')
   Call: (226) [system] char_type('O', end_of_line)
   Fail: (226) [system] char_type('O', end_of_line)
   Call: (226) [system] char_type('O', space)
   Fail: (226) [system] char_type('O', space)
   Call: (226) [system] char_type('O', cntrl)
   Fail: (226) [system] char_type('O', cntrl)
^  Fail: (225) [user] is_like_space('O')
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _1826690)
   Exit: (224) [system] peek_char((0x563acd73bee0), 'O')
   Call: (224) [system] 'O'=')'
   Fail: (224) [system] 'O'=')'
   Call: (224) [system] 'O'=end_of_file
   Fail: (224) [system] 'O'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x563acd73bee0), _1832260)
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _1834118)
   Exit: (226) [system] peek_char((0x563acd73bee0), 'O')
   Call: (226) [system] 'O'=(;)
   Fail: (226) [system] 'O'=(;)
   Call: (226) [system] 'O'=(/)
   Fail: (226) [system] 'O'=(/)
^  Call: (226) [user] is_like_space('O')
   Call: (227) [system] char_type('O', 'white')
   Fail: (227) [system] char_type('O', 'white')
   Call: (227) [system] char_type('O', end_of_line)
   Fail: (227) [system] char_type('O', end_of_line)
   Call: (227) [system] char_type('O', space)
   Fail: (227) [system] char_type('O', space)
   Call: (227) [system] char_type('O', cntrl)
   Fail: (227) [system] char_type('O', cntrl)
^  Fail: (226) [user] is_like_space('O')
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] get_char((0x563acd73bee0), _1850128)
   Exit: (225) [system] get_char((0x563acd73bee0), 'O')
   Call: (225) [system] 'O'='('
   Fail: (225) [system] 'O'='('
   Call: (225) [system] 'O'='['
   Fail: (225) [system] 'O'='['
   Call: (225) [system] 'O'='{'
   Fail: (225) [system] 'O'='{'
   Call: (225) [system] 'O'='"'
   Fail: (225) [system] 'O'='"'
   Call: (225) [system] 'O'=!
   Fail: (225) [system] 'O'=!
   Call: (225) [system] 'O'='\''
   Fail: (225) [system] 'O'='\''
   Call: (225) [system] 'O'='`'
   Fail: (225) [system] 'O'='`'
   Call: (225) [system] 'O'=end_of_file
   Fail: (225) [system] 'O'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x563acd73bee0), 'O', _1832260)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _1867770)
   Call: (227) [system] peek_char((0x563acd73bee0), _1868704)
   Exit: (227) [system] peek_char((0x563acd73bee0), r)
^  Call: (227) [user] is_delimiter(r)
   Call: (228) [system] char_type(r, space)
   Fail: (228) [system] char_type(r, space)
   Call: (228) [system] arg(_1873424, v('(', ')', end_of_file), r)
   Fail: (228) [system] arg(_1874356, v('(', ')', end_of_file), r)
^  Fail: (227) [user] is_delimiter(r)
   Call: (227) [system] ')'==r
   Fail: (227) [system] ')'==r
   Call: (227) [system] get_char((0x563acd73bee0), r)
   Exit: (227) [system] get_char((0x563acd73bee0), r)
   Call: (227) [system] r=(\)
   Fail: (227) [system] r=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _1881706)
   Call: (228) [system] peek_char((0x563acd73bee0), _1882640)
   Exit: (228) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (228) [user] is_delimiter('L')
   Call: (229) [system] char_type('L', space)
   Fail: (229) [system] char_type('L', space)
   Call: (229) [system] arg(_1887360, v('(', ')', end_of_file), 'L')
   Fail: (229) [system] arg(_1888292, v('(', ')', end_of_file), 'L')
^  Fail: (228) [user] is_delimiter('L')
   Call: (228) [system] ')'=='L'
   Fail: (228) [system] ')'=='L'
   Call: (228) [system] get_char((0x563acd73bee0), 'L')
   Exit: (228) [system] get_char((0x563acd73bee0), 'L')
   Call: (228) [system] 'L'=(\)
   Fail: (228) [system] 'L'=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _1895642)
   Call: (229) [system] peek_char((0x563acd73bee0), _1896576)
   Exit: (229) [system] peek_char((0x563acd73bee0), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_1901296, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_1902228, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x563acd73bee0), i)
   Exit: (229) [system] get_char((0x563acd73bee0), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _1909578)
   Call: (230) [system] peek_char((0x563acd73bee0), _1910512)
   Exit: (230) [system] peek_char((0x563acd73bee0), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_1915232, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_1916164, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x563acd73bee0), n)
   Exit: (230) [system] get_char((0x563acd73bee0), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _1923514)
   Call: (231) [system] peek_char((0x563acd73bee0), _1924448)
   Exit: (231) [system] peek_char((0x563acd73bee0), k)
^  Call: (231) [user] is_delimiter(k)
   Call: (232) [system] char_type(k, space)
   Fail: (232) [system] char_type(k, space)
   Call: (232) [system] arg(_1929168, v('(', ')', end_of_file), k)
   Fail: (232) [system] arg(_1930100, v('(', ')', end_of_file), k)
^  Fail: (231) [user] is_delimiter(k)
   Call: (231) [system] ')'==k
   Fail: (231) [system] ')'==k
   Call: (231) [system] get_char((0x563acd73bee0), k)
   Exit: (231) [system] get_char((0x563acd73bee0), k)
   Call: (231) [system] k=(\)
   Fail: (231) [system] k=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _1937450)
   Call: (232) [system] peek_char((0x563acd73bee0), _1938384)
   Exit: (232) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _1937450=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (231) [system] _1923514=[k]
   Exit: (231) [system] [k]=[k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (230) [system] _1909578=[n, k]
   Exit: (230) [system] [n, k]=[n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (229) [system] _1895642=[i, n, k]
   Exit: (229) [system] [i, n, k]=[i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (228) [system] _1881706=['L', i, n, k]
   Exit: (228) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (227) [system] _1867770=[r, 'L', i, n, k]
   Exit: (227) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (226) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1832260)
^  Call: (227) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1961638)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1962590, _1962592), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1961638), _1962572, fail)), '$restore_trace'(_1962590, _1962592))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1962590, _1962592))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1961638), _1962572, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_1961638)
   Fail: (228) [system] atomic(_1961638)
   Call: (228) [system] atom_chars(_1961638, ['O', r, 'L', i, n, k])
   Exit: (228) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (227) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (227) [system] integer('OrLink')
   Fail: (227) [system] integer('OrLink')
   Call: (227) [system] _1832260='OrLink'
   Exit: (227) [system] 'OrLink'='OrLink'
^  Exit: (226) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (225) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (224) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (224) [user] read_list(')', (0x563acd73bee0), _1976588)
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _1978446)
   Exit: (226) [system] peek_char((0x563acd73bee0), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x563acd73bee0), _1988040)
   Exit: (226) [system] get_char((0x563acd73bee0), ' ')
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _1990744)
   Exit: (227) [system] peek_char((0x563acd73bee0), 'C')
   Call: (227) [system] 'C'=(;)
   Fail: (227) [system] 'C'=(;)
   Call: (227) [system] 'C'=(/)
   Fail: (227) [system] 'C'=(/)
^  Call: (227) [user] is_like_space('C')
   Call: (228) [system] char_type('C', 'white')
   Fail: (228) [system] char_type('C', 'white')
   Call: (228) [system] char_type('C', end_of_line)
   Fail: (228) [system] char_type('C', end_of_line)
   Call: (228) [system] char_type('C', space)
   Fail: (228) [system] char_type('C', space)
   Call: (228) [system] char_type('C', cntrl)
   Fail: (228) [system] char_type('C', cntrl)
^  Fail: (227) [user] is_like_space('C')
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _2007678)
   Exit: (225) [system] peek_char((0x563acd73bee0), 'C')
   Call: (225) [system] 'C'=')'
   Fail: (225) [system] 'C'=')'
   Call: (225) [system] 'C'=end_of_file
   Fail: (225) [system] 'C'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x563acd73bee0), _2013248)
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _2015106)
   Exit: (227) [system] peek_char((0x563acd73bee0), 'C')
   Call: (227) [system] 'C'=(;)
   Fail: (227) [system] 'C'=(;)
   Call: (227) [system] 'C'=(/)
   Fail: (227) [system] 'C'=(/)
^  Call: (227) [user] is_like_space('C')
   Call: (228) [system] char_type('C', 'white')
   Fail: (228) [system] char_type('C', 'white')
   Call: (228) [system] char_type('C', end_of_line)
   Fail: (228) [system] char_type('C', end_of_line)
   Call: (228) [system] char_type('C', space)
   Fail: (228) [system] char_type('C', space)
   Call: (228) [system] char_type('C', cntrl)
   Fail: (228) [system] char_type('C', cntrl)
^  Fail: (227) [user] is_like_space('C')
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] get_char((0x563acd73bee0), _2031116)
   Exit: (226) [system] get_char((0x563acd73bee0), 'C')
   Call: (226) [system] 'C'='('
   Fail: (226) [system] 'C'='('
   Call: (226) [system] 'C'='['
   Fail: (226) [system] 'C'='['
   Call: (226) [system] 'C'='{'
   Fail: (226) [system] 'C'='{'
   Call: (226) [system] 'C'='"'
   Fail: (226) [system] 'C'='"'
   Call: (226) [system] 'C'=!
   Fail: (226) [system] 'C'=!
   Call: (226) [system] 'C'='\''
   Fail: (226) [system] 'C'='\''
   Call: (226) [system] 'C'='`'
   Fail: (226) [system] 'C'='`'
   Call: (226) [system] 'C'=end_of_file
   Fail: (226) [system] 'C'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x563acd73bee0), 'C', _2013248)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _2048758)
   Call: (228) [system] peek_char((0x563acd73bee0), _2049692)
   Exit: (228) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _2048758=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (227) [user] classify_and_convert_charseq(['C'], _2013248)
^  Call: (228) [user] classify_and_convert_charseq_(['C'], _2058976)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_2059928, _2059930), once(user:catch(read_from_chars(['C'], _2058976), _2059910, fail)), '$restore_trace'(_2059928, _2059930))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_2059928, _2059930))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _2058976), _2059910, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_2058976)
   Fail: (229) [system] atomic(_2058976)
   Call: (229) [system] atom_chars(_2058976, ['C'])
   Exit: (229) [system] atom_chars('C', ['C'])
^  Exit: (228) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (228) [system] integer('C')
   Fail: (228) [system] integer('C')
   Call: (228) [system] _2013248='C'
   Exit: (228) [system] 'C'='C'
^  Exit: (227) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (226) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (225) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (225) [user] read_list(')', (0x563acd73bee0), _2073926)
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _2075784)
   Exit: (227) [system] peek_char((0x563acd73bee0), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
   Call: (227) [system] ' '=(/)
   Fail: (227) [system] ' '=(/)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x563acd73bee0), _2085378)
   Exit: (227) [system] get_char((0x563acd73bee0), ' ')
^  Call: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _2088082)
   Exit: (228) [system] peek_char((0x563acd73bee0), 'D')
   Call: (228) [system] 'D'=(;)
   Fail: (228) [system] 'D'=(;)
   Call: (228) [system] 'D'=(/)
   Fail: (228) [system] 'D'=(/)
^  Call: (228) [user] is_like_space('D')
   Call: (229) [system] char_type('D', 'white')
   Fail: (229) [system] char_type('D', 'white')
   Call: (229) [system] char_type('D', end_of_line)
   Fail: (229) [system] char_type('D', end_of_line)
   Call: (229) [system] char_type('D', space)
   Fail: (229) [system] char_type('D', space)
   Call: (229) [system] char_type('D', cntrl)
   Fail: (229) [system] char_type('D', cntrl)
^  Fail: (228) [user] is_like_space('D')
^  Exit: (227) [user] skip_spaces((0x563acd73bee0))
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _14768)
   Exit: (226) [system] peek_char((0x563acd73bee0), 'D')
   Call: (226) [system] 'D'=')'
   Fail: (226) [system] 'D'=')'
   Call: (226) [system] 'D'=end_of_file
   Fail: (226) [system] 'D'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x563acd73bee0), _20338)
^  Call: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _22196)
   Exit: (228) [system] peek_char((0x563acd73bee0), 'D')
   Call: (228) [system] 'D'=(;)
   Fail: (228) [system] 'D'=(;)
   Call: (228) [system] 'D'=(/)
   Fail: (228) [system] 'D'=(/)
^  Call: (228) [user] is_like_space('D')
   Call: (229) [system] char_type('D', 'white')
   Fail: (229) [system] char_type('D', 'white')
   Call: (229) [system] char_type('D', end_of_line)
   Fail: (229) [system] char_type('D', end_of_line)
   Call: (229) [system] char_type('D', space)
   Fail: (229) [system] char_type('D', space)
   Call: (229) [system] char_type('D', cntrl)
   Fail: (229) [system] char_type('D', cntrl)
^  Fail: (228) [user] is_like_space('D')
^  Exit: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] get_char((0x563acd73bee0), _38206)
   Exit: (227) [system] get_char((0x563acd73bee0), 'D')
   Call: (227) [system] 'D'='('
   Fail: (227) [system] 'D'='('
   Call: (227) [system] 'D'='['
   Fail: (227) [system] 'D'='['
   Call: (227) [system] 'D'='{'
   Fail: (227) [system] 'D'='{'
   Call: (227) [system] 'D'='"'
   Fail: (227) [system] 'D'='"'
   Call: (227) [system] 'D'=!
   Fail: (227) [system] 'D'=!
   Call: (227) [system] 'D'='\''
   Fail: (227) [system] 'D'='\''
   Call: (227) [system] 'D'='`'
   Fail: (227) [system] 'D'='`'
   Call: (227) [system] 'D'=end_of_file
   Fail: (227) [system] 'D'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x563acd73bee0), 'D', _20338)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _55848)
   Call: (229) [system] peek_char((0x563acd73bee0), _56782)
   Exit: (229) [system] peek_char((0x563acd73bee0), ')')
^  Call: (229) [user] is_delimiter(')')
   Call: (230) [system] char_type(')', space)
   Fail: (230) [system] char_type(')', space)
   Call: (230) [system] arg(_61502, v('(', ')', end_of_file), ')')
   Exit: (230) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (229) [user] is_delimiter(')')
   Call: (229) [system] _55848=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (228) [user] classify_and_convert_charseq(['D'], _20338)
^  Call: (229) [user] classify_and_convert_charseq_(['D'], _67938)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_68890, _68892), once(user:catch(read_from_chars(['D'], _67938), _68872, fail)), '$restore_trace'(_68890, _68892))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_68890, _68892))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _67938), _68872, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_67938)
   Fail: (230) [system] atomic(_67938)
   Call: (230) [system] atom_chars(_67938, ['D'])
   Exit: (230) [system] atom_chars('D', ['D'])
^  Exit: (229) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (229) [system] integer('D')
   Fail: (229) [system] integer('D')
   Call: (229) [system] _20338='D'
   Exit: (229) [system] 'D'='D'
^  Exit: (228) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (227) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'D')
^  Exit: (226) [user] cont_sexpr(')', (0x563acd73bee0), 'D')
^  Call: (226) [user] read_list(')', (0x563acd73bee0), _82888)
^  Call: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _84746)
   Exit: (228) [system] peek_char((0x563acd73bee0), ')')
   Call: (228) [system] ')'=(;)
   Fail: (228) [system] ')'=(;)
   Call: (228) [system] ')'=(/)
   Fail: (228) [system] ')'=(/)
^  Call: (228) [user] is_like_space(')')
   Call: (229) [system] char_type(')', 'white')
   Fail: (229) [system] char_type(')', 'white')
   Call: (229) [system] char_type(')', end_of_line)
   Fail: (229) [system] char_type(')', end_of_line)
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] char_type(')', cntrl)
   Fail: (229) [system] char_type(')', cntrl)
^  Fail: (228) [user] is_like_space(')')
^  Exit: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _100756)
   Exit: (227) [system] peek_char((0x563acd73bee0), ')')
   Call: (227) [system] ')'=')'
   Exit: (227) [system] ')'=')'
   Call: (227) [system] get_char((0x563acd73bee0), _104546)
   Exit: (227) [system] get_char((0x563acd73bee0), ')')
   Call: (227) [system] _82888=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_list(')', (0x563acd73bee0), [])
   Call: (226) [system] _5992=['D']
   Exit: (226) [system] ['D']=['D']
^  Exit: (225) [user] read_list(')', (0x563acd73bee0), ['D'])
   Call: (225) [system] _5986=['C', 'D']
   Exit: (225) [system] ['C', 'D']=['C', 'D']
^  Exit: (224) [user] read_list(')', (0x563acd73bee0), ['C', 'D'])
   Call: (224) [system] _5978=['OrLink', 'C', 'D']
   Exit: (224) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (223) [user] read_list(')', (0x563acd73bee0), ['OrLink', 'C', 'D'])
^  Exit: (222) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', 'C', 'D'])
^  Call: (222) [user] read_list(')', (0x563acd73bee0), _118428)
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _120286)
   Exit: (224) [system] peek_char((0x563acd73bee0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x563acd73bee0), _129880)
   Exit: (224) [system] get_char((0x563acd73bee0), ' ')
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _132584)
   Exit: (225) [system] peek_char((0x563acd73bee0), 'E')
   Call: (225) [system] 'E'=(;)
   Fail: (225) [system] 'E'=(;)
   Call: (225) [system] 'E'=(/)
   Fail: (225) [system] 'E'=(/)
^  Call: (225) [user] is_like_space('E')
   Call: (226) [system] char_type('E', 'white')
   Fail: (226) [system] char_type('E', 'white')
   Call: (226) [system] char_type('E', end_of_line)
   Fail: (226) [system] char_type('E', end_of_line)
   Call: (226) [system] char_type('E', space)
   Fail: (226) [system] char_type('E', space)
   Call: (226) [system] char_type('E', cntrl)
   Fail: (226) [system] char_type('E', cntrl)
^  Fail: (225) [user] is_like_space('E')
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _149518)
   Exit: (223) [system] peek_char((0x563acd73bee0), 'E')
   Call: (223) [system] 'E'=')'
   Fail: (223) [system] 'E'=')'
   Call: (223) [system] 'E'=end_of_file
   Fail: (223) [system] 'E'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x563acd73bee0), _155088)
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _156946)
   Exit: (225) [system] peek_char((0x563acd73bee0), 'E')
   Call: (225) [system] 'E'=(;)
   Fail: (225) [system] 'E'=(;)
   Call: (225) [system] 'E'=(/)
   Fail: (225) [system] 'E'=(/)
^  Call: (225) [user] is_like_space('E')
   Call: (226) [system] char_type('E', 'white')
   Fail: (226) [system] char_type('E', 'white')
   Call: (226) [system] char_type('E', end_of_line)
   Fail: (226) [system] char_type('E', end_of_line)
   Call: (226) [system] char_type('E', space)
   Fail: (226) [system] char_type('E', space)
   Call: (226) [system] char_type('E', cntrl)
   Fail: (226) [system] char_type('E', cntrl)
^  Fail: (225) [user] is_like_space('E')
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] get_char((0x563acd73bee0), _172956)
   Exit: (224) [system] get_char((0x563acd73bee0), 'E')
   Call: (224) [system] 'E'='('
   Fail: (224) [system] 'E'='('
   Call: (224) [system] 'E'='['
   Fail: (224) [system] 'E'='['
   Call: (224) [system] 'E'='{'
   Fail: (224) [system] 'E'='{'
   Call: (224) [system] 'E'='"'
   Fail: (224) [system] 'E'='"'
   Call: (224) [system] 'E'=!
   Fail: (224) [system] 'E'=!
   Call: (224) [system] 'E'='\''
   Fail: (224) [system] 'E'='\''
   Call: (224) [system] 'E'='`'
   Fail: (224) [system] 'E'='`'
   Call: (224) [system] 'E'=end_of_file
   Fail: (224) [system] 'E'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x563acd73bee0), 'E', _155088)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _190598)
   Call: (226) [system] peek_char((0x563acd73bee0), _191532)
   Exit: (226) [system] peek_char((0x563acd73bee0), ')')
^  Call: (226) [user] is_delimiter(')')
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] arg(_196252, v('(', ')', end_of_file), ')')
   Exit: (227) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (226) [user] is_delimiter(')')
   Call: (226) [system] _190598=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (225) [user] classify_and_convert_charseq(['E'], _155088)
^  Call: (226) [user] classify_and_convert_charseq_(['E'], _202688)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_203640, _203642), once(user:catch(read_from_chars(['E'], _202688), _203622, fail)), '$restore_trace'(_203640, _203642))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_203640, _203642))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _202688), _203622, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_202688)
   Fail: (227) [system] atomic(_202688)
   Call: (227) [system] atom_chars(_202688, ['E'])
   Exit: (227) [system] atom_chars('E', ['E'])
^  Exit: (226) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (226) [system] integer('E')
   Fail: (226) [system] integer('E')
   Call: (226) [system] _155088='E'
   Exit: (226) [system] 'E'='E'
^  Exit: (225) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (224) [user] read_symbolic(')', (0x563acd73bee0), 'E', 'E')
^  Exit: (223) [user] cont_sexpr(')', (0x563acd73bee0), 'E')
^  Call: (223) [user] read_list(')', (0x563acd73bee0), _217638)
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _219496)
   Exit: (225) [system] peek_char((0x563acd73bee0), ')')
   Call: (225) [system] ')'=(;)
   Fail: (225) [system] ')'=(;)
   Call: (225) [system] ')'=(/)
   Fail: (225) [system] ')'=(/)
^  Call: (225) [user] is_like_space(')')
   Call: (226) [system] char_type(')', 'white')
   Fail: (226) [system] char_type(')', 'white')
   Call: (226) [system] char_type(')', end_of_line)
   Fail: (226) [system] char_type(')', end_of_line)
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] char_type(')', cntrl)
   Fail: (226) [system] char_type(')', cntrl)
^  Fail: (225) [user] is_like_space(')')
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _235506)
   Exit: (224) [system] peek_char((0x563acd73bee0), ')')
   Call: (224) [system] ')'=')'
   Exit: (224) [system] ')'=')'
   Call: (224) [system] get_char((0x563acd73bee0), _239296)
   Exit: (224) [system] get_char((0x563acd73bee0), ')')
   Call: (224) [system] _217638=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_list(')', (0x563acd73bee0), [])
   Call: (223) [system] _118428=['E']
   Exit: (223) [system] ['E']=['E']
^  Exit: (222) [user] read_list(')', (0x563acd73bee0), ['E'])
   Call: (222) [system] _5974=[['OrLink', 'C', 'D'], 'E']
   Exit: (222) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (221) [user] read_list(')', (0x563acd73bee0), [['OrLink', 'C', 'D'], 'E'])
   Call: (221) [system] _5966=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (221) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (220) [user] read_list(')', (0x563acd73bee0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (219) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (219) [user] read_list(')', (0x563acd73bee0), _253178)
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _255036)
   Exit: (221) [system] peek_char((0x563acd73bee0), ')')
   Call: (221) [system] ')'=(;)
   Fail: (221) [system] ')'=(;)
   Call: (221) [system] ')'=(/)
   Fail: (221) [system] ')'=(/)
^  Call: (221) [user] is_like_space(')')
   Call: (222) [system] char_type(')', 'white')
   Fail: (222) [system] char_type(')', 'white')
   Call: (222) [system] char_type(')', end_of_line)
   Fail: (222) [system] char_type(')', end_of_line)
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] char_type(')', cntrl)
   Fail: (222) [system] char_type(')', cntrl)
^  Fail: (221) [user] is_like_space(')')
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _271046)
   Exit: (220) [system] peek_char((0x563acd73bee0), ')')
   Call: (220) [system] ')'=')'
   Exit: (220) [system] ')'=')'
   Call: (220) [system] get_char((0x563acd73bee0), _274836)
   Exit: (220) [system] get_char((0x563acd73bee0), ')')
   Call: (220) [system] _253178=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_list(')', (0x563acd73bee0), [])
   Call: (219) [system] _5962=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (219) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (218) [user] read_list(')', (0x563acd73bee0), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (218) [system] _5920=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (218) [system] [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (217) [user] read_list(')', (0x563acd73bee0), [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (217) [system] _5912=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (217) [system] ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (216) [user] read_list(')', (0x563acd73bee0), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (215) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (215) [user] read_list(')', (0x563acd73bee0), _288718)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _290576)
   Exit: (217) [system] peek_char((0x563acd73bee0), ')')
   Call: (217) [system] ')'=(;)
   Fail: (217) [system] ')'=(;)
   Call: (217) [system] ')'=(/)
   Fail: (217) [system] ')'=(/)
^  Call: (217) [user] is_like_space(')')
   Call: (218) [system] char_type(')', 'white')
   Fail: (218) [system] char_type(')', 'white')
   Call: (218) [system] char_type(')', end_of_line)
   Fail: (218) [system] char_type(')', end_of_line)
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] char_type(')', cntrl)
   Fail: (218) [system] char_type(')', cntrl)
^  Fail: (217) [user] is_like_space(')')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _306586)
   Exit: (216) [system] peek_char((0x563acd73bee0), ')')
   Call: (216) [system] ')'=')'
   Exit: (216) [system] ')'=')'
   Call: (216) [system] get_char((0x563acd73bee0), _310376)
   Exit: (216) [system] get_char((0x563acd73bee0), ')')
   Call: (216) [system] _288718=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_list(')', (0x563acd73bee0), [])
   Call: (215) [system] _5908=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (215) [system] [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (214) [user] read_list(')', (0x563acd73bee0), [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (214) [system] _5866=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (214) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (213) [user] read_list(')', (0x563acd73bee0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (213) [system] _5858=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (213) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (212) [user] read_list(')', (0x563acd73bee0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (211) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (211) [user] read_list(')', (0x563acd73bee0), _324258)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _326116)
   Exit: (213) [system] peek_char((0x563acd73bee0), ')')
   Call: (213) [system] ')'=(;)
   Fail: (213) [system] ')'=(;)
   Call: (213) [system] ')'=(/)
   Fail: (213) [system] ')'=(/)
^  Call: (213) [user] is_like_space(')')
   Call: (214) [system] char_type(')', 'white')
   Fail: (214) [system] char_type(')', 'white')
   Call: (214) [system] char_type(')', end_of_line)
   Fail: (214) [system] char_type(')', end_of_line)
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] char_type(')', cntrl)
   Fail: (214) [system] char_type(')', cntrl)
^  Fail: (213) [user] is_like_space(')')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _342126)
   Exit: (212) [system] peek_char((0x563acd73bee0), ')')
   Call: (212) [system] ')'=')'
   Exit: (212) [system] ')'=')'
   Call: (212) [system] get_char((0x563acd73bee0), _345916)
   Exit: (212) [system] get_char((0x563acd73bee0), ')')
   Call: (212) [system] _324258=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_list(')', (0x563acd73bee0), [])
   Call: (211) [system] _5854=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (211) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (210) [user] read_list(')', (0x563acd73bee0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (210) [system] _5812=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (210) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (209) [user] read_list(')', (0x563acd73bee0), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (209) [system] _5804=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (209) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (208) [user] read_list(')', (0x563acd73bee0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Exit: (207) [user] cont_sexpr(')', (0x563acd73bee0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Call: (207) [user] read_list(')', (0x563acd73bee0), _359798)
^  Call: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _361656)
   Exit: (209) [system] peek_char((0x563acd73bee0), '\n')
   Call: (209) [system] '\n'=(;)
   Fail: (209) [system] '\n'=(;)
   Call: (209) [system] '\n'=(/)
   Fail: (209) [system] '\n'=(/)
^  Call: (209) [user] is_like_space('\n')
   Call: (210) [system] char_type('\n', 'white')
   Fail: (210) [system] char_type('\n', 'white')
   Call: (210) [system] char_type('\n', end_of_line)
   Exit: (210) [system] char_type('\n', end_of_line)
^  Exit: (209) [user] is_like_space('\n')
   Call: (209) [system] get_char((0x563acd73bee0), _373106)
   Exit: (209) [system] get_char((0x563acd73bee0), '\n')
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _375810)
   Exit: (210) [system] peek_char((0x563acd73bee0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
   Call: (210) [system] ' '=(/)
   Fail: (210) [system] ' '=(/)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x563acd73bee0), _385404)
   Exit: (210) [system] get_char((0x563acd73bee0), ' ')
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _388108)
   Exit: (211) [system] peek_char((0x563acd73bee0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
^  Exit: (208) [user] skip_spaces((0x563acd73bee0))
   Call: (208) [system] peek_char((0x563acd73bee0), _405966)
   Exit: (208) [system] peek_char((0x563acd73bee0), '(')
   Call: (208) [system] '('=')'
   Fail: (208) [system] '('=')'
   Call: (208) [system] '('=end_of_file
   Fail: (208) [system] '('=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x563acd73bee0), _411536)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _413394)
   Exit: (210) [system] peek_char((0x563acd73bee0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
   Call: (210) [system] '('=(/)
   Fail: (210) [system] '('=(/)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] get_char((0x563acd73bee0), _429404)
   Exit: (209) [system] get_char((0x563acd73bee0), '(')
   Call: (209) [system] '('='('
   Exit: (209) [system] '('='('
^  Call: (209) [user] read_list(')', (0x563acd73bee0), _411536)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _434974)
   Exit: (211) [system] peek_char((0x563acd73bee0), :)
   Call: (211) [system] (:)=(;)
   Fail: (211) [system] (:)=(;)
   Call: (211) [system] (:)=(/)
   Fail: (211) [system] (:)=(/)
^  Call: (211) [user] is_like_space(:)
   Call: (212) [system] char_type(:, 'white')
   Fail: (212) [system] char_type(:, 'white')
   Call: (212) [system] char_type(:, end_of_line)
   Fail: (212) [system] char_type(:, end_of_line)
   Call: (212) [system] char_type(:, space)
   Fail: (212) [system] char_type(:, space)
   Call: (212) [system] char_type(:, cntrl)
   Fail: (212) [system] char_type(:, cntrl)
^  Fail: (211) [user] is_like_space(:)
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _450984)
   Exit: (210) [system] peek_char((0x563acd73bee0), :)
   Call: (210) [system] (:)=')'
   Fail: (210) [system] (:)=')'
   Call: (210) [system] (:)=end_of_file
   Fail: (210) [system] (:)=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x563acd73bee0), _456554)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _458412)
   Exit: (212) [system] peek_char((0x563acd73bee0), :)
   Call: (212) [system] (:)=(;)
   Fail: (212) [system] (:)=(;)
   Call: (212) [system] (:)=(/)
   Fail: (212) [system] (:)=(/)
^  Call: (212) [user] is_like_space(:)
   Call: (213) [system] char_type(:, 'white')
   Fail: (213) [system] char_type(:, 'white')
   Call: (213) [system] char_type(:, end_of_line)
   Fail: (213) [system] char_type(:, end_of_line)
   Call: (213) [system] char_type(:, space)
   Fail: (213) [system] char_type(:, space)
   Call: (213) [system] char_type(:, cntrl)
   Fail: (213) [system] char_type(:, cntrl)
^  Fail: (212) [user] is_like_space(:)
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] get_char((0x563acd73bee0), _474422)
   Exit: (211) [system] get_char((0x563acd73bee0), :)
   Call: (211) [system] (:)='('
   Fail: (211) [system] (:)='('
   Call: (211) [system] (:)='['
   Fail: (211) [system] (:)='['
   Call: (211) [system] (:)='{'
   Fail: (211) [system] (:)='{'
   Call: (211) [system] (:)='"'
   Fail: (211) [system] (:)='"'
   Call: (211) [system] (:)=!
   Fail: (211) [system] (:)=!
   Call: (211) [system] (:)='\''
   Fail: (211) [system] (:)='\''
   Call: (211) [system] (:)='`'
   Fail: (211) [system] (:)='`'
   Call: (211) [system] (:)=end_of_file
   Fail: (211) [system] (:)=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x563acd73bee0), :, _456554)
^  Call: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), _492064)
   Call: (213) [system] peek_char((0x563acd73bee0), _492998)
   Exit: (213) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (213) [user] is_delimiter(' ')
   Call: (214) [system] char_type(' ', space)
   Exit: (214) [system] char_type(' ', space)
^  Exit: (213) [user] is_delimiter(' ')
   Call: (213) [system] _492064=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (212) [user] classify_and_convert_charseq([:], _456554)
^  Call: (213) [user] classify_and_convert_charseq_([:], _502282)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_503234, _503236), once(user:catch(read_from_chars([:], _502282), _503216, fail)), '$restore_trace'(_503234, _503236))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_503234, _503236))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _503216, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(:)
   Exit: (214) [system] atomic(:)
^  Exit: (213) [user] classify_and_convert_charseq_([:], :)
   Call: (213) [system] integer(:)
   Fail: (213) [system] integer(:)
   Call: (213) [system] _456554=(:)
   Exit: (213) [system] (:)=(:)
^  Exit: (212) [user] classify_and_convert_charseq([:], :)
^  Exit: (211) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (210) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (210) [user] read_list(')', (0x563acd73bee0), _515362)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _517220)
   Exit: (212) [system] peek_char((0x563acd73bee0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
   Call: (212) [system] ' '=(/)
   Fail: (212) [system] ' '=(/)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x563acd73bee0), _526814)
   Exit: (212) [system] get_char((0x563acd73bee0), ' ')
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _529518)
   Exit: (213) [system] peek_char((0x563acd73bee0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _546452)
   Exit: (211) [system] peek_char((0x563acd73bee0), '(')
   Call: (211) [system] '('=')'
   Fail: (211) [system] '('=')'
   Call: (211) [system] '('=end_of_file
   Fail: (211) [system] '('=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x563acd73bee0), _552022)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _553880)
   Exit: (213) [system] peek_char((0x563acd73bee0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
   Call: (213) [system] '('=(/)
   Fail: (213) [system] '('=(/)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] get_char((0x563acd73bee0), _569890)
   Exit: (212) [system] get_char((0x563acd73bee0), '(')
   Call: (212) [system] '('='('
   Exit: (212) [system] '('='('
^  Call: (212) [user] read_list(')', (0x563acd73bee0), _552022)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _575460)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'D')
   Call: (214) [system] 'D'=(;)
   Fail: (214) [system] 'D'=(;)
   Call: (214) [system] 'D'=(/)
   Fail: (214) [system] 'D'=(/)
^  Call: (214) [user] is_like_space('D')
   Call: (215) [system] char_type('D', 'white')
   Fail: (215) [system] char_type('D', 'white')
   Call: (215) [system] char_type('D', end_of_line)
   Fail: (215) [system] char_type('D', end_of_line)
   Call: (215) [system] char_type('D', space)
   Fail: (215) [system] char_type('D', space)
   Call: (215) [system] char_type('D', cntrl)
   Fail: (215) [system] char_type('D', cntrl)
^  Fail: (214) [user] is_like_space('D')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _591470)
   Exit: (213) [system] peek_char((0x563acd73bee0), 'D')
   Call: (213) [system] 'D'=')'
   Fail: (213) [system] 'D'=')'
   Call: (213) [system] 'D'=end_of_file
   Fail: (213) [system] 'D'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x563acd73bee0), _597040)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _598898)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'D')
   Call: (215) [system] 'D'=(;)
   Fail: (215) [system] 'D'=(;)
   Call: (215) [system] 'D'=(/)
   Fail: (215) [system] 'D'=(/)
^  Call: (215) [user] is_like_space('D')
   Call: (216) [system] char_type('D', 'white')
   Fail: (216) [system] char_type('D', 'white')
   Call: (216) [system] char_type('D', end_of_line)
   Fail: (216) [system] char_type('D', end_of_line)
   Call: (216) [system] char_type('D', space)
   Fail: (216) [system] char_type('D', space)
   Call: (216) [system] char_type('D', cntrl)
   Fail: (216) [system] char_type('D', cntrl)
^  Fail: (215) [user] is_like_space('D')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] get_char((0x563acd73bee0), _614908)
   Exit: (214) [system] get_char((0x563acd73bee0), 'D')
   Call: (214) [system] 'D'='('
   Fail: (214) [system] 'D'='('
   Call: (214) [system] 'D'='['
   Fail: (214) [system] 'D'='['
   Call: (214) [system] 'D'='{'
   Fail: (214) [system] 'D'='{'
   Call: (214) [system] 'D'='"'
   Fail: (214) [system] 'D'='"'
   Call: (214) [system] 'D'=!
   Fail: (214) [system] 'D'=!
   Call: (214) [system] 'D'='\''
   Fail: (214) [system] 'D'='\''
   Call: (214) [system] 'D'='`'
   Fail: (214) [system] 'D'='`'
   Call: (214) [system] 'D'=end_of_file
   Fail: (214) [system] 'D'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x563acd73bee0), 'D', _597040)
^  Call: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), _632550)
   Call: (216) [system] peek_char((0x563acd73bee0), _633484)
   Exit: (216) [system] peek_char((0x563acd73bee0), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Fail: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_638204, v('(', ')', end_of_file), i)
   Fail: (217) [system] arg(_639136, v('(', ')', end_of_file), i)
^  Fail: (216) [user] is_delimiter(i)
   Call: (216) [system] ')'==i
   Fail: (216) [system] ')'==i
   Call: (216) [system] get_char((0x563acd73bee0), i)
   Exit: (216) [system] get_char((0x563acd73bee0), i)
   Call: (216) [system] i=(\)
   Fail: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _646486)
   Call: (217) [system] peek_char((0x563acd73bee0), _647420)
   Exit: (217) [system] peek_char((0x563acd73bee0), s)
^  Call: (217) [user] is_delimiter(s)
   Call: (218) [system] char_type(s, space)
   Fail: (218) [system] char_type(s, space)
   Call: (218) [system] arg(_652140, v('(', ')', end_of_file), s)
   Fail: (218) [system] arg(_653072, v('(', ')', end_of_file), s)
^  Fail: (217) [user] is_delimiter(s)
   Call: (217) [system] ')'==s
   Fail: (217) [system] ')'==s
   Call: (217) [system] get_char((0x563acd73bee0), s)
   Exit: (217) [system] get_char((0x563acd73bee0), s)
   Call: (217) [system] s=(\)
   Fail: (217) [system] s=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _660422)
   Call: (218) [system] peek_char((0x563acd73bee0), _661356)
   Exit: (218) [system] peek_char((0x563acd73bee0), j)
^  Call: (218) [user] is_delimiter(j)
   Call: (219) [system] char_type(j, space)
   Fail: (219) [system] char_type(j, space)
   Call: (219) [system] arg(_666076, v('(', ')', end_of_file), j)
   Fail: (219) [system] arg(_667008, v('(', ')', end_of_file), j)
^  Fail: (218) [user] is_delimiter(j)
   Call: (218) [system] ')'==j
   Fail: (218) [system] ')'==j
   Call: (218) [system] get_char((0x563acd73bee0), j)
   Exit: (218) [system] get_char((0x563acd73bee0), j)
   Call: (218) [system] j=(\)
   Fail: (218) [system] j=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _674358)
   Call: (219) [system] peek_char((0x563acd73bee0), _675292)
   Exit: (219) [system] peek_char((0x563acd73bee0), u)
^  Call: (219) [user] is_delimiter(u)
   Call: (220) [system] char_type(u, space)
   Fail: (220) [system] char_type(u, space)
   Call: (220) [system] arg(_680012, v('(', ')', end_of_file), u)
   Fail: (220) [system] arg(_680944, v('(', ')', end_of_file), u)
^  Fail: (219) [user] is_delimiter(u)
   Call: (219) [system] ')'==u
   Fail: (219) [system] ')'==u
   Call: (219) [system] get_char((0x563acd73bee0), u)
   Exit: (219) [system] get_char((0x563acd73bee0), u)
   Call: (219) [system] u=(\)
   Fail: (219) [system] u=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _688294)
   Call: (220) [system] peek_char((0x563acd73bee0), _689228)
   Exit: (220) [system] peek_char((0x563acd73bee0), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_693948, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_694880, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x563acd73bee0), n)
   Exit: (220) [system] get_char((0x563acd73bee0), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _702230)
   Call: (221) [system] peek_char((0x563acd73bee0), _703164)
   Exit: (221) [system] peek_char((0x563acd73bee0), c)
^  Call: (221) [user] is_delimiter(c)
   Call: (222) [system] char_type(c, space)
   Fail: (222) [system] char_type(c, space)
   Call: (222) [system] arg(_707884, v('(', ')', end_of_file), c)
   Fail: (222) [system] arg(_708816, v('(', ')', end_of_file), c)
^  Fail: (221) [user] is_delimiter(c)
   Call: (221) [system] ')'==c
   Fail: (221) [system] ')'==c
   Call: (221) [system] get_char((0x563acd73bee0), c)
   Exit: (221) [system] get_char((0x563acd73bee0), c)
   Call: (221) [system] c=(\)
   Fail: (221) [system] c=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _716166)
   Call: (222) [system] peek_char((0x563acd73bee0), _717100)
   Exit: (222) [system] peek_char((0x563acd73bee0), t)
^  Call: (222) [user] is_delimiter(t)
   Call: (223) [system] char_type(t, space)
   Fail: (223) [system] char_type(t, space)
   Call: (223) [system] arg(_721820, v('(', ')', end_of_file), t)
   Fail: (223) [system] arg(_722752, v('(', ')', end_of_file), t)
^  Fail: (222) [user] is_delimiter(t)
   Call: (222) [system] ')'==t
   Fail: (222) [system] ')'==t
   Call: (222) [system] get_char((0x563acd73bee0), t)
   Exit: (222) [system] get_char((0x563acd73bee0), t)
   Call: (222) [system] t=(\)
   Fail: (222) [system] t=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _730102)
   Call: (223) [system] peek_char((0x563acd73bee0), _731036)
   Exit: (223) [system] peek_char((0x563acd73bee0), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Fail: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_735756, v('(', ')', end_of_file), i)
   Fail: (224) [system] arg(_736688, v('(', ')', end_of_file), i)
^  Fail: (223) [user] is_delimiter(i)
   Call: (223) [system] ')'==i
   Fail: (223) [system] ')'==i
   Call: (223) [system] get_char((0x563acd73bee0), i)
   Exit: (223) [system] get_char((0x563acd73bee0), i)
   Call: (223) [system] i=(\)
   Fail: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _744038)
   Call: (224) [system] peek_char((0x563acd73bee0), _744972)
   Exit: (224) [system] peek_char((0x563acd73bee0), o)
^  Call: (224) [user] is_delimiter(o)
   Call: (225) [system] char_type(o, space)
   Fail: (225) [system] char_type(o, space)
   Call: (225) [system] arg(_749692, v('(', ')', end_of_file), o)
   Fail: (225) [system] arg(_750624, v('(', ')', end_of_file), o)
^  Fail: (224) [user] is_delimiter(o)
   Call: (224) [system] ')'==o
   Fail: (224) [system] ')'==o
   Call: (224) [system] get_char((0x563acd73bee0), o)
   Exit: (224) [system] get_char((0x563acd73bee0), o)
   Call: (224) [system] o=(\)
   Fail: (224) [system] o=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _757974)
   Call: (225) [system] peek_char((0x563acd73bee0), _758908)
   Exit: (225) [system] peek_char((0x563acd73bee0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_763628, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_764560, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x563acd73bee0), n)
   Exit: (225) [system] get_char((0x563acd73bee0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _771910)
   Call: (226) [system] peek_char((0x563acd73bee0), _772844)
   Exit: (226) [system] peek_char((0x563acd73bee0), 'I')
^  Call: (226) [user] is_delimiter('I')
   Call: (227) [system] char_type('I', space)
   Fail: (227) [system] char_type('I', space)
   Call: (227) [system] arg(_777564, v('(', ')', end_of_file), 'I')
   Fail: (227) [system] arg(_778496, v('(', ')', end_of_file), 'I')
^  Fail: (226) [user] is_delimiter('I')
   Call: (226) [system] ')'=='I'
   Fail: (226) [system] ')'=='I'
   Call: (226) [system] get_char((0x563acd73bee0), 'I')
   Exit: (226) [system] get_char((0x563acd73bee0), 'I')
   Call: (226) [system] 'I'=(\)
   Fail: (226) [system] 'I'=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _785846)
   Call: (227) [system] peek_char((0x563acd73bee0), _786780)
   Exit: (227) [system] peek_char((0x563acd73bee0), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_791500, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_792432, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x563acd73bee0), n)
   Exit: (227) [system] get_char((0x563acd73bee0), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _799782)
   Call: (228) [system] peek_char((0x563acd73bee0), _800716)
   Exit: (228) [system] peek_char((0x563acd73bee0), t)
^  Call: (228) [user] is_delimiter(t)
   Call: (229) [system] char_type(t, space)
   Fail: (229) [system] char_type(t, space)
   Call: (229) [system] arg(_805436, v('(', ')', end_of_file), t)
   Fail: (229) [system] arg(_806368, v('(', ')', end_of_file), t)
^  Fail: (228) [user] is_delimiter(t)
   Call: (228) [system] ')'==t
   Fail: (228) [system] ')'==t
   Call: (228) [system] get_char((0x563acd73bee0), t)
   Exit: (228) [system] get_char((0x563acd73bee0), t)
   Call: (228) [system] t=(\)
   Fail: (228) [system] t=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _813718)
   Call: (229) [system] peek_char((0x563acd73bee0), _814652)
   Exit: (229) [system] peek_char((0x563acd73bee0), r)
^  Call: (229) [user] is_delimiter(r)
   Call: (230) [system] char_type(r, space)
   Fail: (230) [system] char_type(r, space)
   Call: (230) [system] arg(_819372, v('(', ')', end_of_file), r)
   Fail: (230) [system] arg(_820304, v('(', ')', end_of_file), r)
^  Fail: (229) [user] is_delimiter(r)
   Call: (229) [system] ')'==r
   Fail: (229) [system] ')'==r
   Call: (229) [system] get_char((0x563acd73bee0), r)
   Exit: (229) [system] get_char((0x563acd73bee0), r)
   Call: (229) [system] r=(\)
   Fail: (229) [system] r=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _827654)
   Call: (230) [system] peek_char((0x563acd73bee0), _828588)
   Exit: (230) [system] peek_char((0x563acd73bee0), o)
^  Call: (230) [user] is_delimiter(o)
   Call: (231) [system] char_type(o, space)
   Fail: (231) [system] char_type(o, space)
   Call: (231) [system] arg(_833308, v('(', ')', end_of_file), o)
   Fail: (231) [system] arg(_834240, v('(', ')', end_of_file), o)
^  Fail: (230) [user] is_delimiter(o)
   Call: (230) [system] ')'==o
   Fail: (230) [system] ')'==o
   Call: (230) [system] get_char((0x563acd73bee0), o)
   Exit: (230) [system] get_char((0x563acd73bee0), o)
   Call: (230) [system] o=(\)
   Fail: (230) [system] o=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _841590)
   Call: (231) [system] peek_char((0x563acd73bee0), _842524)
   Exit: (231) [system] peek_char((0x563acd73bee0), d)
^  Call: (231) [user] is_delimiter(d)
   Call: (232) [system] char_type(d, space)
   Fail: (232) [system] char_type(d, space)
   Call: (232) [system] arg(_847244, v('(', ')', end_of_file), d)
   Fail: (232) [system] arg(_848176, v('(', ')', end_of_file), d)
^  Fail: (231) [user] is_delimiter(d)
   Call: (231) [system] ')'==d
   Fail: (231) [system] ')'==d
   Call: (231) [system] get_char((0x563acd73bee0), d)
   Exit: (231) [system] get_char((0x563acd73bee0), d)
   Call: (231) [system] d=(\)
   Fail: (231) [system] d=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _855526)
   Call: (232) [system] peek_char((0x563acd73bee0), _856460)
   Exit: (232) [system] peek_char((0x563acd73bee0), u)
^  Call: (232) [user] is_delimiter(u)
   Call: (233) [system] char_type(u, space)
   Fail: (233) [system] char_type(u, space)
   Call: (233) [system] arg(_861180, v('(', ')', end_of_file), u)
   Fail: (233) [system] arg(_862112, v('(', ')', end_of_file), u)
^  Fail: (232) [user] is_delimiter(u)
   Call: (232) [system] ')'==u
   Fail: (232) [system] ')'==u
   Call: (232) [system] get_char((0x563acd73bee0), u)
   Exit: (232) [system] get_char((0x563acd73bee0), u)
   Call: (232) [system] u=(\)
   Fail: (232) [system] u=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _869462)
   Call: (233) [system] peek_char((0x563acd73bee0), _870396)
   Exit: (233) [system] peek_char((0x563acd73bee0), c)
^  Call: (233) [user] is_delimiter(c)
   Call: (234) [system] char_type(c, space)
   Fail: (234) [system] char_type(c, space)
   Call: (234) [system] arg(_875116, v('(', ')', end_of_file), c)
   Fail: (234) [system] arg(_876048, v('(', ')', end_of_file), c)
^  Fail: (233) [user] is_delimiter(c)
   Call: (233) [system] ')'==c
   Fail: (233) [system] ')'==c
   Call: (233) [system] get_char((0x563acd73bee0), c)
   Exit: (233) [system] get_char((0x563acd73bee0), c)
   Call: (233) [system] c=(\)
   Fail: (233) [system] c=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), _883398)
   Call: (234) [system] peek_char((0x563acd73bee0), _884332)
   Exit: (234) [system] peek_char((0x563acd73bee0), t)
^  Call: (234) [user] is_delimiter(t)
   Call: (235) [system] char_type(t, space)
   Fail: (235) [system] char_type(t, space)
   Call: (235) [system] arg(_889052, v('(', ')', end_of_file), t)
   Fail: (235) [system] arg(_889984, v('(', ')', end_of_file), t)
^  Fail: (234) [user] is_delimiter(t)
   Call: (234) [system] ')'==t
   Fail: (234) [system] ')'==t
   Call: (234) [system] get_char((0x563acd73bee0), t)
   Exit: (234) [system] get_char((0x563acd73bee0), t)
   Call: (234) [system] t=(\)
   Fail: (234) [system] t=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), _897334)
   Call: (235) [system] peek_char((0x563acd73bee0), _898268)
   Exit: (235) [system] peek_char((0x563acd73bee0), i)
^  Call: (235) [user] is_delimiter(i)
   Call: (236) [system] char_type(i, space)
   Fail: (236) [system] char_type(i, space)
   Call: (236) [system] arg(_902988, v('(', ')', end_of_file), i)
   Fail: (236) [system] arg(_903920, v('(', ')', end_of_file), i)
^  Fail: (235) [user] is_delimiter(i)
   Call: (235) [system] ')'==i
   Fail: (235) [system] ')'==i
   Call: (235) [system] get_char((0x563acd73bee0), i)
   Exit: (235) [system] get_char((0x563acd73bee0), i)
   Call: (235) [system] i=(\)
   Fail: (235) [system] i=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), _911270)
   Call: (236) [system] peek_char((0x563acd73bee0), _912204)
   Exit: (236) [system] peek_char((0x563acd73bee0), o)
^  Call: (236) [user] is_delimiter(o)
   Call: (237) [system] char_type(o, space)
   Fail: (237) [system] char_type(o, space)
   Call: (237) [system] arg(_916924, v('(', ')', end_of_file), o)
   Fail: (237) [system] arg(_917856, v('(', ')', end_of_file), o)
^  Fail: (236) [user] is_delimiter(o)
   Call: (236) [system] ')'==o
   Fail: (236) [system] ')'==o
   Call: (236) [system] get_char((0x563acd73bee0), o)
   Exit: (236) [system] get_char((0x563acd73bee0), o)
   Call: (236) [system] o=(\)
   Fail: (236) [system] o=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), _925206)
   Call: (237) [system] peek_char((0x563acd73bee0), _926140)
   Exit: (237) [system] peek_char((0x563acd73bee0), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Fail: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_930860, v('(', ')', end_of_file), n)
   Fail: (238) [system] arg(_931792, v('(', ')', end_of_file), n)
^  Fail: (237) [user] is_delimiter(n)
   Call: (237) [system] ')'==n
   Fail: (237) [system] ')'==n
   Call: (237) [system] get_char((0x563acd73bee0), n)
   Exit: (237) [system] get_char((0x563acd73bee0), n)
   Call: (237) [system] n=(\)
   Fail: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), _939142)
   Call: (238) [system] peek_char((0x563acd73bee0), _940076)
   Exit: (238) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (238) [user] is_delimiter(' ')
   Call: (239) [system] char_type(' ', space)
   Exit: (239) [system] char_type(' ', space)
^  Exit: (238) [user] is_delimiter(' ')
   Call: (238) [system] _939142=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (237) [system] _925206=[n]
   Exit: (237) [system] [n]=[n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (236) [system] _911270=[o, n]
   Exit: (236) [system] [o, n]=[o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (235) [system] _897334=[i, o, n]
   Exit: (235) [system] [i, o, n]=[i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (234) [system] _883398=[t, i, o, n]
   Exit: (234) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (233) [system] _869462=[c, t, i, o, n]
   Exit: (233) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n])
   Call: (232) [system] _855526=[u, c, t, i, o, n]
   Exit: (232) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, i, o, n])
   Call: (231) [system] _841590=[d, u, c, t, i, o, n]
   Exit: (231) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, u, c, t, i, o, n])
   Call: (230) [system] _827654=[o, d, u, c, t, i, o, n]
   Exit: (230) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, d, u, c, t, i, o, n])
   Call: (229) [system] _813718=[r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _799782=[t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _785846=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _771910=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _757974=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _744038=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _730102=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _716166=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _702230=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _688294=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _674358=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _660422=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _646486=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _632550=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (215) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _597040)
^  Call: (216) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1010828)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1011780, _1011782), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1010828), _1011762, fail)), '$restore_trace'(_1011780, _1011782))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1011780, _1011782))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1010828), _1011762, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_1010828)
   Fail: (217) [system] atomic(_1010828)
   Call: (217) [system] atom_chars(_1010828, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (217) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (216) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (216) [system] integer('DisjunctionIntroduction')
   Fail: (216) [system] integer('DisjunctionIntroduction')
   Call: (216) [system] _597040='DisjunctionIntroduction'
   Exit: (216) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (215) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (214) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'DisjunctionIntroduction')
^  Exit: (213) [user] cont_sexpr(')', (0x563acd73bee0), 'DisjunctionIntroduction')
^  Call: (213) [user] read_list(')', (0x563acd73bee0), _1025778)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1027636)
   Exit: (215) [system] peek_char((0x563acd73bee0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
   Call: (215) [system] ' '=(/)
   Fail: (215) [system] ' '=(/)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x563acd73bee0), _1037230)
   Exit: (215) [system] get_char((0x563acd73bee0), ' ')
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1039934)
   Exit: (216) [system] peek_char((0x563acd73bee0), a)
   Call: (216) [system] a=(;)
   Fail: (216) [system] a=(;)
   Call: (216) [system] a=(/)
   Fail: (216) [system] a=(/)
^  Call: (216) [user] is_like_space(a)
   Call: (217) [system] char_type(a, 'white')
   Fail: (217) [system] char_type(a, 'white')
   Call: (217) [system] char_type(a, end_of_line)
   Fail: (217) [system] char_type(a, end_of_line)
   Call: (217) [system] char_type(a, space)
   Fail: (217) [system] char_type(a, space)
   Call: (217) [system] char_type(a, cntrl)
   Fail: (217) [system] char_type(a, cntrl)
^  Fail: (216) [user] is_like_space(a)
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1056868)
   Exit: (214) [system] peek_char((0x563acd73bee0), a)
   Call: (214) [system] a=')'
   Fail: (214) [system] a=')'
   Call: (214) [system] a=end_of_file
   Fail: (214) [system] a=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x563acd73bee0), _1062438)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1064296)
   Exit: (216) [system] peek_char((0x563acd73bee0), a)
   Call: (216) [system] a=(;)
   Fail: (216) [system] a=(;)
   Call: (216) [system] a=(/)
   Fail: (216) [system] a=(/)
^  Call: (216) [user] is_like_space(a)
   Call: (217) [system] char_type(a, 'white')
   Fail: (217) [system] char_type(a, 'white')
   Call: (217) [system] char_type(a, end_of_line)
   Fail: (217) [system] char_type(a, end_of_line)
   Call: (217) [system] char_type(a, space)
   Fail: (217) [system] char_type(a, space)
   Call: (217) [system] char_type(a, cntrl)
   Fail: (217) [system] char_type(a, cntrl)
^  Fail: (216) [user] is_like_space(a)
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] get_char((0x563acd73bee0), _1080306)
   Exit: (215) [system] get_char((0x563acd73bee0), a)
   Call: (215) [system] a='('
   Fail: (215) [system] a='('
   Call: (215) [system] a='['
   Fail: (215) [system] a='['
   Call: (215) [system] a='{'
   Fail: (215) [system] a='{'
   Call: (215) [system] a='"'
   Fail: (215) [system] a='"'
   Call: (215) [system] a=!
   Fail: (215) [system] a=!
   Call: (215) [system] a='\''
   Fail: (215) [system] a='\''
   Call: (215) [system] a='`'
   Fail: (215) [system] a='`'
   Call: (215) [system] a=end_of_file
   Fail: (215) [system] a=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x563acd73bee0), a, _1062438)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _1097948)
   Call: (217) [system] peek_char((0x563acd73bee0), _1098882)
   Exit: (217) [system] peek_char((0x563acd73bee0), b)
^  Call: (217) [user] is_delimiter(b)
   Call: (218) [system] char_type(b, space)
   Fail: (218) [system] char_type(b, space)
   Call: (218) [system] arg(_1103602, v('(', ')', end_of_file), b)
   Fail: (218) [system] arg(_1104534, v('(', ')', end_of_file), b)
^  Fail: (217) [user] is_delimiter(b)
   Call: (217) [system] ')'==b
   Fail: (217) [system] ')'==b
   Call: (217) [system] get_char((0x563acd73bee0), b)
   Exit: (217) [system] get_char((0x563acd73bee0), b)
   Call: (217) [system] b=(\)
   Fail: (217) [system] b=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _1111884)
   Call: (218) [system] peek_char((0x563acd73bee0), _1112818)
   Exit: (218) [system] peek_char((0x563acd73bee0), c)
^  Call: (218) [user] is_delimiter(c)
   Call: (219) [system] char_type(c, space)
   Fail: (219) [system] char_type(c, space)
   Call: (219) [system] arg(_1117538, v('(', ')', end_of_file), c)
   Fail: (219) [system] arg(_1118470, v('(', ')', end_of_file), c)
^  Fail: (218) [user] is_delimiter(c)
   Call: (218) [system] ')'==c
   Fail: (218) [system] ')'==c
   Call: (218) [system] get_char((0x563acd73bee0), c)
   Exit: (218) [system] get_char((0x563acd73bee0), c)
   Call: (218) [system] c=(\)
   Fail: (218) [system] c=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _1125820)
   Call: (219) [system] peek_char((0x563acd73bee0), _1126754)
   Exit: (219) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _1125820=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (218) [system] _1111884=[c]
   Exit: (218) [system] [c]=[c]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), [c])
   Call: (217) [system] _1097948=[b, c]
   Exit: (217) [system] [b, c]=[b, c]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [b, c])
^  Call: (216) [user] classify_and_convert_charseq([a, b, c], _1062438)
^  Call: (217) [user] classify_and_convert_charseq_([a, b, c], _1141626)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1142578, _1142580), once(user:catch(read_from_chars([a, b, c], _1141626), _1142560, fail)), '$restore_trace'(_1142578, _1142580))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1142578, _1142580))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1142560, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(abc)
   Exit: (218) [system] atomic(abc)
^  Exit: (217) [user] classify_and_convert_charseq_([a, b, c], abc)
   Call: (217) [system] integer(abc)
   Fail: (217) [system] integer(abc)
   Call: (217) [system] _1062438=abc
   Exit: (217) [system] abc=abc
^  Exit: (216) [user] classify_and_convert_charseq([a, b, c], abc)
^  Exit: (215) [user] read_symbolic(')', (0x563acd73bee0), a, abc)
^  Exit: (214) [user] cont_sexpr(')', (0x563acd73bee0), abc)
^  Call: (214) [user] read_list(')', (0x563acd73bee0), _1154706)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1156564)
   Exit: (216) [system] peek_char((0x563acd73bee0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x563acd73bee0), _1166158)
   Exit: (216) [system] get_char((0x563acd73bee0), ' ')
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1168862)
   Exit: (217) [system] peek_char((0x563acd73bee0), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
   Call: (217) [system] '('=(/)
   Fail: (217) [system] '('=(/)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _1185796)
   Exit: (215) [system] peek_char((0x563acd73bee0), '(')
   Call: (215) [system] '('=')'
   Fail: (215) [system] '('=')'
   Call: (215) [system] '('=end_of_file
   Fail: (215) [system] '('=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x563acd73bee0), _1191366)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1193224)
   Exit: (217) [system] peek_char((0x563acd73bee0), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
   Call: (217) [system] '('=(/)
   Fail: (217) [system] '('=(/)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] get_char((0x563acd73bee0), _1209234)
   Exit: (216) [system] get_char((0x563acd73bee0), '(')
   Call: (216) [system] '('='('
   Exit: (216) [system] '('='('
^  Call: (216) [user] read_list(')', (0x563acd73bee0), _1191366)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _1214804)
   Exit: (218) [system] peek_char((0x563acd73bee0), 'D')
   Call: (218) [system] 'D'=(;)
   Fail: (218) [system] 'D'=(;)
   Call: (218) [system] 'D'=(/)
   Fail: (218) [system] 'D'=(/)
^  Call: (218) [user] is_like_space('D')
   Call: (219) [system] char_type('D', 'white')
   Fail: (219) [system] char_type('D', 'white')
   Call: (219) [system] char_type('D', end_of_line)
   Fail: (219) [system] char_type('D', end_of_line)
   Call: (219) [system] char_type('D', space)
   Fail: (219) [system] char_type('D', space)
   Call: (219) [system] char_type('D', cntrl)
   Fail: (219) [system] char_type('D', cntrl)
^  Fail: (218) [user] is_like_space('D')
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1230814)
   Exit: (217) [system] peek_char((0x563acd73bee0), 'D')
   Call: (217) [system] 'D'=')'
   Fail: (217) [system] 'D'=')'
   Call: (217) [system] 'D'=end_of_file
   Fail: (217) [system] 'D'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x563acd73bee0), _1236384)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _1238242)
   Exit: (219) [system] peek_char((0x563acd73bee0), 'D')
   Call: (219) [system] 'D'=(;)
   Fail: (219) [system] 'D'=(;)
   Call: (219) [system] 'D'=(/)
   Fail: (219) [system] 'D'=(/)
^  Call: (219) [user] is_like_space('D')
   Call: (220) [system] char_type('D', 'white')
   Fail: (220) [system] char_type('D', 'white')
   Call: (220) [system] char_type('D', end_of_line)
   Fail: (220) [system] char_type('D', end_of_line)
   Call: (220) [system] char_type('D', space)
   Fail: (220) [system] char_type('D', space)
   Call: (220) [system] char_type('D', cntrl)
   Fail: (220) [system] char_type('D', cntrl)
^  Fail: (219) [user] is_like_space('D')
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] get_char((0x563acd73bee0), _1254252)
   Exit: (218) [system] get_char((0x563acd73bee0), 'D')
   Call: (218) [system] 'D'='('
   Fail: (218) [system] 'D'='('
   Call: (218) [system] 'D'='['
   Fail: (218) [system] 'D'='['
   Call: (218) [system] 'D'='{'
   Fail: (218) [system] 'D'='{'
   Call: (218) [system] 'D'='"'
   Fail: (218) [system] 'D'='"'
   Call: (218) [system] 'D'=!
   Fail: (218) [system] 'D'=!
   Call: (218) [system] 'D'='\''
   Fail: (218) [system] 'D'='\''
   Call: (218) [system] 'D'='`'
   Fail: (218) [system] 'D'='`'
   Call: (218) [system] 'D'=end_of_file
   Fail: (218) [system] 'D'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x563acd73bee0), 'D', _1236384)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _1271894)
   Call: (220) [system] peek_char((0x563acd73bee0), _1272828)
   Exit: (220) [system] peek_char((0x563acd73bee0), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_1277548, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_1278480, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x563acd73bee0), i)
   Exit: (220) [system] get_char((0x563acd73bee0), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _1285830)
   Call: (221) [system] peek_char((0x563acd73bee0), _1286764)
   Exit: (221) [system] peek_char((0x563acd73bee0), s)
^  Call: (221) [user] is_delimiter(s)
   Call: (222) [system] char_type(s, space)
   Fail: (222) [system] char_type(s, space)
   Call: (222) [system] arg(_1291484, v('(', ')', end_of_file), s)
   Fail: (222) [system] arg(_1292416, v('(', ')', end_of_file), s)
^  Fail: (221) [user] is_delimiter(s)
   Call: (221) [system] ')'==s
   Fail: (221) [system] ')'==s
   Call: (221) [system] get_char((0x563acd73bee0), s)
   Exit: (221) [system] get_char((0x563acd73bee0), s)
   Call: (221) [system] s=(\)
   Fail: (221) [system] s=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _1299766)
   Call: (222) [system] peek_char((0x563acd73bee0), _1300700)
   Exit: (222) [system] peek_char((0x563acd73bee0), j)
^  Call: (222) [user] is_delimiter(j)
   Call: (223) [system] char_type(j, space)
   Fail: (223) [system] char_type(j, space)
   Call: (223) [system] arg(_1305420, v('(', ')', end_of_file), j)
   Fail: (223) [system] arg(_1306352, v('(', ')', end_of_file), j)
^  Fail: (222) [user] is_delimiter(j)
   Call: (222) [system] ')'==j
   Fail: (222) [system] ')'==j
   Call: (222) [system] get_char((0x563acd73bee0), j)
   Exit: (222) [system] get_char((0x563acd73bee0), j)
   Call: (222) [system] j=(\)
   Fail: (222) [system] j=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _1313702)
   Call: (223) [system] peek_char((0x563acd73bee0), _1314636)
   Exit: (223) [system] peek_char((0x563acd73bee0), u)
^  Call: (223) [user] is_delimiter(u)
   Call: (224) [system] char_type(u, space)
   Fail: (224) [system] char_type(u, space)
   Call: (224) [system] arg(_1319356, v('(', ')', end_of_file), u)
   Fail: (224) [system] arg(_1320288, v('(', ')', end_of_file), u)
^  Fail: (223) [user] is_delimiter(u)
   Call: (223) [system] ')'==u
   Fail: (223) [system] ')'==u
   Call: (223) [system] get_char((0x563acd73bee0), u)
   Exit: (223) [system] get_char((0x563acd73bee0), u)
   Call: (223) [system] u=(\)
   Fail: (223) [system] u=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _1327638)
   Call: (224) [system] peek_char((0x563acd73bee0), _1328572)
   Exit: (224) [system] peek_char((0x563acd73bee0), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_1333292, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_1334224, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x563acd73bee0), n)
   Exit: (224) [system] get_char((0x563acd73bee0), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _1341574)
   Call: (225) [system] peek_char((0x563acd73bee0), _1342508)
   Exit: (225) [system] peek_char((0x563acd73bee0), c)
^  Call: (225) [user] is_delimiter(c)
   Call: (226) [system] char_type(c, space)
   Fail: (226) [system] char_type(c, space)
   Call: (226) [system] arg(_1347228, v('(', ')', end_of_file), c)
   Fail: (226) [system] arg(_1348160, v('(', ')', end_of_file), c)
^  Fail: (225) [user] is_delimiter(c)
   Call: (225) [system] ')'==c
   Fail: (225) [system] ')'==c
   Call: (225) [system] get_char((0x563acd73bee0), c)
   Exit: (225) [system] get_char((0x563acd73bee0), c)
   Call: (225) [system] c=(\)
   Fail: (225) [system] c=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _1355510)
   Call: (226) [system] peek_char((0x563acd73bee0), _1356444)
   Exit: (226) [system] peek_char((0x563acd73bee0), t)
^  Call: (226) [user] is_delimiter(t)
   Call: (227) [system] char_type(t, space)
   Fail: (227) [system] char_type(t, space)
   Call: (227) [system] arg(_1361164, v('(', ')', end_of_file), t)
   Fail: (227) [system] arg(_1362096, v('(', ')', end_of_file), t)
^  Fail: (226) [user] is_delimiter(t)
   Call: (226) [system] ')'==t
   Fail: (226) [system] ')'==t
   Call: (226) [system] get_char((0x563acd73bee0), t)
   Exit: (226) [system] get_char((0x563acd73bee0), t)
   Call: (226) [system] t=(\)
   Fail: (226) [system] t=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _1369446)
   Call: (227) [system] peek_char((0x563acd73bee0), _1370380)
   Exit: (227) [system] peek_char((0x563acd73bee0), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_1375100, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_1376032, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x563acd73bee0), i)
   Exit: (227) [system] get_char((0x563acd73bee0), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _1383382)
   Call: (228) [system] peek_char((0x563acd73bee0), _1384316)
   Exit: (228) [system] peek_char((0x563acd73bee0), o)
^  Call: (228) [user] is_delimiter(o)
   Call: (229) [system] char_type(o, space)
   Fail: (229) [system] char_type(o, space)
   Call: (229) [system] arg(_1389036, v('(', ')', end_of_file), o)
   Fail: (229) [system] arg(_1389968, v('(', ')', end_of_file), o)
^  Fail: (228) [user] is_delimiter(o)
   Call: (228) [system] ')'==o
   Fail: (228) [system] ')'==o
   Call: (228) [system] get_char((0x563acd73bee0), o)
   Exit: (228) [system] get_char((0x563acd73bee0), o)
   Call: (228) [system] o=(\)
   Fail: (228) [system] o=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _1397318)
   Call: (229) [system] peek_char((0x563acd73bee0), _1398252)
   Exit: (229) [system] peek_char((0x563acd73bee0), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_1402972, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_1403904, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x563acd73bee0), n)
   Exit: (229) [system] get_char((0x563acd73bee0), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _1411254)
   Call: (230) [system] peek_char((0x563acd73bee0), _1412188)
   Exit: (230) [system] peek_char((0x563acd73bee0), 'I')
^  Call: (230) [user] is_delimiter('I')
   Call: (231) [system] char_type('I', space)
   Fail: (231) [system] char_type('I', space)
   Call: (231) [system] arg(_1416908, v('(', ')', end_of_file), 'I')
   Fail: (231) [system] arg(_1417840, v('(', ')', end_of_file), 'I')
^  Fail: (230) [user] is_delimiter('I')
   Call: (230) [system] ')'=='I'
   Fail: (230) [system] ')'=='I'
   Call: (230) [system] get_char((0x563acd73bee0), 'I')
   Exit: (230) [system] get_char((0x563acd73bee0), 'I')
   Call: (230) [system] 'I'=(\)
   Fail: (230) [system] 'I'=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _1425190)
   Call: (231) [system] peek_char((0x563acd73bee0), _1426124)
   Exit: (231) [system] peek_char((0x563acd73bee0), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_1430844, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_1431776, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x563acd73bee0), n)
   Exit: (231) [system] get_char((0x563acd73bee0), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _1439126)
   Call: (232) [system] peek_char((0x563acd73bee0), _1440060)
   Exit: (232) [system] peek_char((0x563acd73bee0), t)
^  Call: (232) [user] is_delimiter(t)
   Call: (233) [system] char_type(t, space)
   Fail: (233) [system] char_type(t, space)
   Call: (233) [system] arg(_1444780, v('(', ')', end_of_file), t)
   Fail: (233) [system] arg(_1445712, v('(', ')', end_of_file), t)
^  Fail: (232) [user] is_delimiter(t)
   Call: (232) [system] ')'==t
   Fail: (232) [system] ')'==t
   Call: (232) [system] get_char((0x563acd73bee0), t)
   Exit: (232) [system] get_char((0x563acd73bee0), t)
   Call: (232) [system] t=(\)
   Fail: (232) [system] t=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _1453062)
   Call: (233) [system] peek_char((0x563acd73bee0), _1453996)
   Exit: (233) [system] peek_char((0x563acd73bee0), r)
^  Call: (233) [user] is_delimiter(r)
   Call: (234) [system] char_type(r, space)
   Fail: (234) [system] char_type(r, space)
   Call: (234) [system] arg(_1458716, v('(', ')', end_of_file), r)
   Fail: (234) [system] arg(_1459648, v('(', ')', end_of_file), r)
^  Fail: (233) [user] is_delimiter(r)
   Call: (233) [system] ')'==r
   Fail: (233) [system] ')'==r
   Call: (233) [system] get_char((0x563acd73bee0), r)
   Exit: (233) [system] get_char((0x563acd73bee0), r)
   Call: (233) [system] r=(\)
   Fail: (233) [system] r=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), _1466998)
   Call: (234) [system] peek_char((0x563acd73bee0), _1467932)
   Exit: (234) [system] peek_char((0x563acd73bee0), o)
^  Call: (234) [user] is_delimiter(o)
   Call: (235) [system] char_type(o, space)
   Fail: (235) [system] char_type(o, space)
   Call: (235) [system] arg(_1472652, v('(', ')', end_of_file), o)
   Fail: (235) [system] arg(_1473584, v('(', ')', end_of_file), o)
^  Fail: (234) [user] is_delimiter(o)
   Call: (234) [system] ')'==o
   Fail: (234) [system] ')'==o
   Call: (234) [system] get_char((0x563acd73bee0), o)
   Exit: (234) [system] get_char((0x563acd73bee0), o)
   Call: (234) [system] o=(\)
   Fail: (234) [system] o=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), _1480934)
   Call: (235) [system] peek_char((0x563acd73bee0), _1481868)
   Exit: (235) [system] peek_char((0x563acd73bee0), d)
^  Call: (235) [user] is_delimiter(d)
   Call: (236) [system] char_type(d, space)
   Fail: (236) [system] char_type(d, space)
   Call: (236) [system] arg(_1486588, v('(', ')', end_of_file), d)
   Fail: (236) [system] arg(_1487520, v('(', ')', end_of_file), d)
^  Fail: (235) [user] is_delimiter(d)
   Call: (235) [system] ')'==d
   Fail: (235) [system] ')'==d
   Call: (235) [system] get_char((0x563acd73bee0), d)
   Exit: (235) [system] get_char((0x563acd73bee0), d)
   Call: (235) [system] d=(\)
   Fail: (235) [system] d=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), _1494870)
   Call: (236) [system] peek_char((0x563acd73bee0), _1495804)
   Exit: (236) [system] peek_char((0x563acd73bee0), u)
^  Call: (236) [user] is_delimiter(u)
   Call: (237) [system] char_type(u, space)
   Fail: (237) [system] char_type(u, space)
   Call: (237) [system] arg(_1500524, v('(', ')', end_of_file), u)
   Fail: (237) [system] arg(_1501456, v('(', ')', end_of_file), u)
^  Fail: (236) [user] is_delimiter(u)
   Call: (236) [system] ')'==u
   Fail: (236) [system] ')'==u
   Call: (236) [system] get_char((0x563acd73bee0), u)
   Exit: (236) [system] get_char((0x563acd73bee0), u)
   Call: (236) [system] u=(\)
   Fail: (236) [system] u=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), _1508806)
   Call: (237) [system] peek_char((0x563acd73bee0), _1509740)
   Exit: (237) [system] peek_char((0x563acd73bee0), c)
^  Call: (237) [user] is_delimiter(c)
   Call: (238) [system] char_type(c, space)
   Fail: (238) [system] char_type(c, space)
   Call: (238) [system] arg(_1514460, v('(', ')', end_of_file), c)
   Fail: (238) [system] arg(_1515392, v('(', ')', end_of_file), c)
^  Fail: (237) [user] is_delimiter(c)
   Call: (237) [system] ')'==c
   Fail: (237) [system] ')'==c
   Call: (237) [system] get_char((0x563acd73bee0), c)
   Exit: (237) [system] get_char((0x563acd73bee0), c)
   Call: (237) [system] c=(\)
   Fail: (237) [system] c=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), _1522742)
   Call: (238) [system] peek_char((0x563acd73bee0), _1523676)
   Exit: (238) [system] peek_char((0x563acd73bee0), t)
^  Call: (238) [user] is_delimiter(t)
   Call: (239) [system] char_type(t, space)
   Fail: (239) [system] char_type(t, space)
   Call: (239) [system] arg(_1528396, v('(', ')', end_of_file), t)
   Fail: (239) [system] arg(_1529328, v('(', ')', end_of_file), t)
^  Fail: (238) [user] is_delimiter(t)
   Call: (238) [system] ')'==t
   Fail: (238) [system] ')'==t
   Call: (238) [system] get_char((0x563acd73bee0), t)
   Exit: (238) [system] get_char((0x563acd73bee0), t)
   Call: (238) [system] t=(\)
   Fail: (238) [system] t=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x563acd73bee0), _1536678)
   Call: (239) [system] peek_char((0x563acd73bee0), _1537612)
   Exit: (239) [system] peek_char((0x563acd73bee0), i)
^  Call: (239) [user] is_delimiter(i)
   Call: (240) [system] char_type(i, space)
   Fail: (240) [system] char_type(i, space)
   Call: (240) [system] arg(_1542332, v('(', ')', end_of_file), i)
   Fail: (240) [system] arg(_1543264, v('(', ')', end_of_file), i)
^  Fail: (239) [user] is_delimiter(i)
   Call: (239) [system] ')'==i
   Fail: (239) [system] ')'==i
   Call: (239) [system] get_char((0x563acd73bee0), i)
   Exit: (239) [system] get_char((0x563acd73bee0), i)
   Call: (239) [system] i=(\)
   Fail: (239) [system] i=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x563acd73bee0), _1550614)
   Call: (240) [system] peek_char((0x563acd73bee0), _1551548)
   Exit: (240) [system] peek_char((0x563acd73bee0), o)
^  Call: (240) [user] is_delimiter(o)
   Call: (241) [system] char_type(o, space)
   Fail: (241) [system] char_type(o, space)
   Call: (241) [system] arg(_1556268, v('(', ')', end_of_file), o)
   Fail: (241) [system] arg(_1557200, v('(', ')', end_of_file), o)
^  Fail: (240) [user] is_delimiter(o)
   Call: (240) [system] ')'==o
   Fail: (240) [system] ')'==o
   Call: (240) [system] get_char((0x563acd73bee0), o)
   Exit: (240) [system] get_char((0x563acd73bee0), o)
   Call: (240) [system] o=(\)
   Fail: (240) [system] o=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x563acd73bee0), _1564550)
   Call: (241) [system] peek_char((0x563acd73bee0), _1565484)
   Exit: (241) [system] peek_char((0x563acd73bee0), n)
^  Call: (241) [user] is_delimiter(n)
   Call: (242) [system] char_type(n, space)
   Fail: (242) [system] char_type(n, space)
   Call: (242) [system] arg(_1570204, v('(', ')', end_of_file), n)
   Fail: (242) [system] arg(_1571136, v('(', ')', end_of_file), n)
^  Fail: (241) [user] is_delimiter(n)
   Call: (241) [system] ')'==n
   Fail: (241) [system] ')'==n
   Call: (241) [system] get_char((0x563acd73bee0), n)
   Exit: (241) [system] get_char((0x563acd73bee0), n)
   Call: (241) [system] n=(\)
   Fail: (241) [system] n=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x563acd73bee0), _1578486)
   Call: (242) [system] peek_char((0x563acd73bee0), _1579420)
   Exit: (242) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (242) [user] is_delimiter(' ')
   Call: (243) [system] char_type(' ', space)
   Exit: (243) [system] char_type(' ', space)
^  Exit: (242) [user] is_delimiter(' ')
   Call: (242) [system] _1578486=[]
   Exit: (242) [system] []=[]
^  Exit: (241) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (241) [system] _1564550=[n]
   Exit: (241) [system] [n]=[n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (240) [system] _1550614=[o, n]
   Exit: (240) [system] [o, n]=[o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (239) [system] _1536678=[i, o, n]
   Exit: (239) [system] [i, o, n]=[i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (238) [system] _1522742=[t, i, o, n]
   Exit: (238) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (237) [system] _1508806=[c, t, i, o, n]
   Exit: (237) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n])
   Call: (236) [system] _1494870=[u, c, t, i, o, n]
   Exit: (236) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, c, t, i, o, n])
   Call: (235) [system] _1480934=[d, u, c, t, i, o, n]
   Exit: (235) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, u, c, t, i, o, n])
   Call: (234) [system] _1466998=[o, d, u, c, t, i, o, n]
   Exit: (234) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, d, u, c, t, i, o, n])
   Call: (233) [system] _1453062=[r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _1439126=[t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _1425190=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _1411254=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _1397318=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _1383382=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _1369446=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _1355510=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _1341574=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1327638=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1313702=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1299766=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1285830=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1271894=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (219) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1236384)
^  Call: (220) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1650172)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_1651124, _1651126), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1650172), _1651106, fail)), '$restore_trace'(_1651124, _1651126))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_1651124, _1651126))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1650172), _1651106, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_1650172)
   Fail: (221) [system] atomic(_1650172)
   Call: (221) [system] atom_chars(_1650172, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (221) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (220) [user] classify_and_convert_charseq_(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
   Call: (220) [system] integer('DisjunctionIntroduction')
   Fail: (220) [system] integer('DisjunctionIntroduction')
   Call: (220) [system] _1236384='DisjunctionIntroduction'
   Exit: (220) [system] 'DisjunctionIntroduction'='DisjunctionIntroduction'
^  Exit: (219) [user] classify_and_convert_charseq(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (218) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'DisjunctionIntroduction')
^  Exit: (217) [user] cont_sexpr(')', (0x563acd73bee0), 'DisjunctionIntroduction')
^  Call: (217) [user] read_list(')', (0x563acd73bee0), _1665122)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _1666980)
   Exit: (219) [system] peek_char((0x563acd73bee0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x563acd73bee0), _1676574)
   Exit: (219) [system] get_char((0x563acd73bee0), ' ')
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _1679278)
   Exit: (220) [system] peek_char((0x563acd73bee0), c)
   Call: (220) [system] c=(;)
   Fail: (220) [system] c=(;)
   Call: (220) [system] c=(/)
   Fail: (220) [system] c=(/)
^  Call: (220) [user] is_like_space(c)
   Call: (221) [system] char_type(c, 'white')
   Fail: (221) [system] char_type(c, 'white')
   Call: (221) [system] char_type(c, end_of_line)
   Fail: (221) [system] char_type(c, end_of_line)
   Call: (221) [system] char_type(c, space)
   Fail: (221) [system] char_type(c, space)
   Call: (221) [system] char_type(c, cntrl)
   Fail: (221) [system] char_type(c, cntrl)
^  Fail: (220) [user] is_like_space(c)
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _1696212)
   Exit: (218) [system] peek_char((0x563acd73bee0), c)
   Call: (218) [system] c=')'
   Fail: (218) [system] c=')'
   Call: (218) [system] c=end_of_file
   Fail: (218) [system] c=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x563acd73bee0), _1701782)
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _1703640)
   Exit: (220) [system] peek_char((0x563acd73bee0), c)
   Call: (220) [system] c=(;)
   Fail: (220) [system] c=(;)
   Call: (220) [system] c=(/)
   Fail: (220) [system] c=(/)
^  Call: (220) [user] is_like_space(c)
   Call: (221) [system] char_type(c, 'white')
   Fail: (221) [system] char_type(c, 'white')
   Call: (221) [system] char_type(c, end_of_line)
   Fail: (221) [system] char_type(c, end_of_line)
   Call: (221) [system] char_type(c, space)
   Fail: (221) [system] char_type(c, space)
   Call: (221) [system] char_type(c, cntrl)
   Fail: (221) [system] char_type(c, cntrl)
^  Fail: (220) [user] is_like_space(c)
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] get_char((0x563acd73bee0), _1719650)
   Exit: (219) [system] get_char((0x563acd73bee0), c)
   Call: (219) [system] c='('
   Fail: (219) [system] c='('
   Call: (219) [system] c='['
   Fail: (219) [system] c='['
   Call: (219) [system] c='{'
   Fail: (219) [system] c='{'
   Call: (219) [system] c='"'
   Fail: (219) [system] c='"'
   Call: (219) [system] c=!
   Fail: (219) [system] c=!
   Call: (219) [system] c='\''
   Fail: (219) [system] c='\''
   Call: (219) [system] c='`'
   Fail: (219) [system] c='`'
   Call: (219) [system] c=end_of_file
   Fail: (219) [system] c=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x563acd73bee0), c, _1701782)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _1737292)
   Call: (221) [system] peek_char((0x563acd73bee0), _1738226)
   Exit: (221) [system] peek_char((0x563acd73bee0), d)
^  Call: (221) [user] is_delimiter(d)
   Call: (222) [system] char_type(d, space)
   Fail: (222) [system] char_type(d, space)
   Call: (222) [system] arg(_1742946, v('(', ')', end_of_file), d)
   Fail: (222) [system] arg(_1743878, v('(', ')', end_of_file), d)
^  Fail: (221) [user] is_delimiter(d)
   Call: (221) [system] ')'==d
   Fail: (221) [system] ')'==d
   Call: (221) [system] get_char((0x563acd73bee0), d)
   Exit: (221) [system] get_char((0x563acd73bee0), d)
   Call: (221) [system] d=(\)
   Fail: (221) [system] d=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _1751228)
   Call: (222) [system] peek_char((0x563acd73bee0), _1752162)
   Exit: (222) [system] peek_char((0x563acd73bee0), e)
^  Call: (222) [user] is_delimiter(e)
   Call: (223) [system] char_type(e, space)
   Fail: (223) [system] char_type(e, space)
   Call: (223) [system] arg(_1756882, v('(', ')', end_of_file), e)
   Fail: (223) [system] arg(_1757814, v('(', ')', end_of_file), e)
^  Fail: (222) [user] is_delimiter(e)
   Call: (222) [system] ')'==e
   Fail: (222) [system] ')'==e
   Call: (222) [system] get_char((0x563acd73bee0), e)
   Exit: (222) [system] get_char((0x563acd73bee0), e)
   Call: (222) [system] e=(\)
   Fail: (222) [system] e=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _1765164)
   Call: (223) [system] peek_char((0x563acd73bee0), _1766098)
   Exit: (223) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _1765164=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (222) [system] _1751228=[e]
   Exit: (222) [system] [e]=[e]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [e])
   Call: (221) [system] _1737292=[d, e]
   Exit: (221) [system] [d, e]=[d, e]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, e])
^  Call: (220) [user] classify_and_convert_charseq([c, d, e], _1701782)
^  Call: (221) [user] classify_and_convert_charseq_([c, d, e], _1780970)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_1781922, _1781924), once(user:catch(read_from_chars([c, d, e], _1780970), _1781904, fail)), '$restore_trace'(_1781922, _1781924))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_1781922, _1781924))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1781904, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(cde)
   Exit: (222) [system] atomic(cde)
^  Exit: (221) [user] classify_and_convert_charseq_([c, d, e], cde)
   Call: (221) [system] integer(cde)
   Fail: (221) [system] integer(cde)
   Call: (221) [system] _1701782=cde
   Exit: (221) [system] cde=cde
^  Exit: (220) [user] classify_and_convert_charseq([c, d, e], cde)
^  Exit: (219) [user] read_symbolic(')', (0x563acd73bee0), c, cde)
^  Exit: (218) [user] cont_sexpr(')', (0x563acd73bee0), cde)
^  Call: (218) [user] read_list(')', (0x563acd73bee0), _1794050)
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _1795908)
   Exit: (220) [system] peek_char((0x563acd73bee0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x563acd73bee0), _1805502)
   Exit: (220) [system] get_char((0x563acd73bee0), ' ')
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _1808206)
   Exit: (221) [system] peek_char((0x563acd73bee0), a)
   Call: (221) [system] a=(;)
   Fail: (221) [system] a=(;)
   Call: (221) [system] a=(/)
   Fail: (221) [system] a=(/)
^  Call: (221) [user] is_like_space(a)
   Call: (222) [system] char_type(a, 'white')
   Fail: (222) [system] char_type(a, 'white')
   Call: (222) [system] char_type(a, end_of_line)
   Fail: (222) [system] char_type(a, end_of_line)
   Call: (222) [system] char_type(a, space)
   Fail: (222) [system] char_type(a, space)
   Call: (222) [system] char_type(a, cntrl)
   Fail: (222) [system] char_type(a, cntrl)
^  Fail: (221) [user] is_like_space(a)
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _1825140)
   Exit: (219) [system] peek_char((0x563acd73bee0), a)
   Call: (219) [system] a=')'
   Fail: (219) [system] a=')'
   Call: (219) [system] a=end_of_file
   Fail: (219) [system] a=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x563acd73bee0), _1830710)
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _1832568)
   Exit: (221) [system] peek_char((0x563acd73bee0), a)
   Call: (221) [system] a=(;)
   Fail: (221) [system] a=(;)
   Call: (221) [system] a=(/)
   Fail: (221) [system] a=(/)
^  Call: (221) [user] is_like_space(a)
   Call: (222) [system] char_type(a, 'white')
   Fail: (222) [system] char_type(a, 'white')
   Call: (222) [system] char_type(a, end_of_line)
   Fail: (222) [system] char_type(a, end_of_line)
   Call: (222) [system] char_type(a, space)
   Fail: (222) [system] char_type(a, space)
   Call: (222) [system] char_type(a, cntrl)
   Fail: (222) [system] char_type(a, cntrl)
^  Fail: (221) [user] is_like_space(a)
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] get_char((0x563acd73bee0), _1848578)
   Exit: (220) [system] get_char((0x563acd73bee0), a)
   Call: (220) [system] a='('
   Fail: (220) [system] a='('
   Call: (220) [system] a='['
   Fail: (220) [system] a='['
   Call: (220) [system] a='{'
   Fail: (220) [system] a='{'
   Call: (220) [system] a='"'
   Fail: (220) [system] a='"'
   Call: (220) [system] a=!
   Fail: (220) [system] a=!
   Call: (220) [system] a='\''
   Fail: (220) [system] a='\''
   Call: (220) [system] a='`'
   Fail: (220) [system] a='`'
   Call: (220) [system] a=end_of_file
   Fail: (220) [system] a=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x563acd73bee0), a, _1830710)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _1866220)
   Call: (222) [system] peek_char((0x563acd73bee0), _1867154)
   Exit: (222) [system] peek_char((0x563acd73bee0), ')')
^  Call: (222) [user] is_delimiter(')')
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] arg(_1871874, v('(', ')', end_of_file), ')')
   Exit: (223) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (222) [user] is_delimiter(')')
   Call: (222) [system] _1866220=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (221) [user] classify_and_convert_charseq([a], _1830710)
^  Call: (222) [user] classify_and_convert_charseq_([a], _1878310)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_1879262, _1879264), once(user:catch(read_from_chars([a], _1878310), _1879244, fail)), '$restore_trace'(_1879262, _1879264))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_1879262, _1879264))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1879244, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(a)
   Exit: (223) [system] atomic(a)
^  Exit: (222) [user] classify_and_convert_charseq_([a], a)
   Call: (222) [system] integer(a)
   Fail: (222) [system] integer(a)
   Call: (222) [system] _1830710=a
   Exit: (222) [system] a=a
^  Exit: (221) [user] classify_and_convert_charseq([a], a)
^  Exit: (220) [user] read_symbolic(')', (0x563acd73bee0), a, a)
^  Exit: (219) [user] cont_sexpr(')', (0x563acd73bee0), a)
^  Call: (219) [user] read_list(')', (0x563acd73bee0), _1891390)
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _1893248)
   Exit: (221) [system] peek_char((0x563acd73bee0), ')')
   Call: (221) [system] ')'=(;)
   Fail: (221) [system] ')'=(;)
   Call: (221) [system] ')'=(/)
   Fail: (221) [system] ')'=(/)
^  Call: (221) [user] is_like_space(')')
   Call: (222) [system] char_type(')', 'white')
   Fail: (222) [system] char_type(')', 'white')
   Call: (222) [system] char_type(')', end_of_line)
   Fail: (222) [system] char_type(')', end_of_line)
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] char_type(')', cntrl)
   Fail: (222) [system] char_type(')', cntrl)
^  Fail: (221) [user] is_like_space(')')
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _1909258)
   Exit: (220) [system] peek_char((0x563acd73bee0), ')')
   Call: (220) [system] ')'=')'
   Exit: (220) [system] ')'=')'
   Call: (220) [system] get_char((0x563acd73bee0), _1913048)
   Exit: (220) [system] get_char((0x563acd73bee0), ')')
   Call: (220) [system] _1891390=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_list(')', (0x563acd73bee0), [])
   Call: (219) [system] _1794050=[a]
   Exit: (219) [system] [a]=[a]
^  Exit: (218) [user] read_list(')', (0x563acd73bee0), [a])
   Call: (218) [system] _1665122=[cde, a]
   Exit: (218) [system] [cde, a]=[cde, a]
^  Exit: (217) [user] read_list(')', (0x563acd73bee0), [cde, a])
   Call: (217) [system] _1191366=['DisjunctionIntroduction', cde, a]
   Exit: (217) [system] ['DisjunctionIntroduction', cde, a]=['DisjunctionIntroduction', cde, a]
^  Exit: (216) [user] read_list(')', (0x563acd73bee0), ['DisjunctionIntroduction', cde, a])
^  Exit: (215) [user] cont_sexpr(')', (0x563acd73bee0), ['DisjunctionIntroduction', cde, a])
^  Call: (215) [user] read_list(')', (0x563acd73bee0), _1926930)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1928788)
   Exit: (217) [system] peek_char((0x563acd73bee0), ')')
   Call: (217) [system] ')'=(;)
   Fail: (217) [system] ')'=(;)
   Call: (217) [system] ')'=(/)
   Fail: (217) [system] ')'=(/)
^  Call: (217) [user] is_like_space(')')
   Call: (218) [system] char_type(')', 'white')
   Fail: (218) [system] char_type(')', 'white')
   Call: (218) [system] char_type(')', end_of_line)
   Fail: (218) [system] char_type(')', end_of_line)
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] char_type(')', cntrl)
   Fail: (218) [system] char_type(')', cntrl)
^  Fail: (217) [user] is_like_space(')')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1944798)
   Exit: (216) [system] peek_char((0x563acd73bee0), ')')
   Call: (216) [system] ')'=')'
   Exit: (216) [system] ')'=')'
   Call: (216) [system] get_char((0x563acd73bee0), _1948588)
   Exit: (216) [system] get_char((0x563acd73bee0), ')')
   Call: (216) [system] _1926930=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_list(')', (0x563acd73bee0), [])
   Call: (215) [system] _1154706=[['DisjunctionIntroduction', cde, a]]
   Exit: (215) [system] [['DisjunctionIntroduction', cde, a]]=[['DisjunctionIntroduction', cde, a]]
^  Exit: (214) [user] read_list(')', (0x563acd73bee0), [['DisjunctionIntroduction', cde, a]])
   Call: (214) [system] _1025778=[abc, ['DisjunctionIntroduction', cde, a]]
   Exit: (214) [system] [abc, ['DisjunctionIntroduction', cde, a]]=[abc, ['DisjunctionIntroduction', cde, a]]
^  Exit: (213) [user] read_list(')', (0x563acd73bee0), [abc, ['DisjunctionIntroduction', cde, a]])
   Call: (213) [system] _552022=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]]
   Exit: (213) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]]
^  Exit: (212) [user] read_list(')', (0x563acd73bee0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]])
^  Exit: (211) [user] cont_sexpr(')', (0x563acd73bee0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]])
^  Call: (211) [user] read_list(')', (0x563acd73bee0), _1962470)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _1964328)
   Exit: (213) [system] peek_char((0x563acd73bee0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x563acd73bee0), _1973922)
   Exit: (213) [system] get_char((0x563acd73bee0), ' ')
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _1976626)
   Exit: (214) [system] peek_char((0x563acd73bee0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _1993560)
   Exit: (212) [system] peek_char((0x563acd73bee0), '(')
   Call: (212) [system] '('=')'
   Fail: (212) [system] '('=')'
   Call: (212) [system] '('=end_of_file
   Fail: (212) [system] '('=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x563acd73bee0), _1999130)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _2000988)
   Exit: (214) [system] peek_char((0x563acd73bee0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] get_char((0x563acd73bee0), _2016998)
   Exit: (213) [system] get_char((0x563acd73bee0), '(')
   Call: (213) [system] '('='('
   Exit: (213) [system] '('='('
^  Call: (213) [user] read_list(')', (0x563acd73bee0), _1999130)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _2022568)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'O')
   Call: (215) [system] 'O'=(;)
   Fail: (215) [system] 'O'=(;)
   Call: (215) [system] 'O'=(/)
   Fail: (215) [system] 'O'=(/)
^  Call: (215) [user] is_like_space('O')
   Call: (216) [system] char_type('O', 'white')
   Fail: (216) [system] char_type('O', 'white')
   Call: (216) [system] char_type('O', end_of_line)
   Fail: (216) [system] char_type('O', end_of_line)
   Call: (216) [system] char_type('O', space)
   Fail: (216) [system] char_type('O', space)
   Call: (216) [system] char_type('O', cntrl)
   Fail: (216) [system] char_type('O', cntrl)
^  Fail: (215) [user] is_like_space('O')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _2038578)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'O')
   Call: (214) [system] 'O'=')'
   Fail: (214) [system] 'O'=')'
   Call: (214) [system] 'O'=end_of_file
   Fail: (214) [system] 'O'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x563acd73bee0), _2044148)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _2046006)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'O')
   Call: (216) [system] 'O'=(;)
   Fail: (216) [system] 'O'=(;)
   Call: (216) [system] 'O'=(/)
   Fail: (216) [system] 'O'=(/)
^  Call: (216) [user] is_like_space('O')
   Call: (217) [system] char_type('O', 'white')
   Fail: (217) [system] char_type('O', 'white')
   Call: (217) [system] char_type('O', end_of_line)
   Fail: (217) [system] char_type('O', end_of_line)
   Call: (217) [system] char_type('O', space)
   Fail: (217) [system] char_type('O', space)
   Call: (217) [system] char_type('O', cntrl)
   Fail: (217) [system] char_type('O', cntrl)
^  Fail: (216) [user] is_like_space('O')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] get_char((0x563acd73bee0), _2062016)
   Exit: (215) [system] get_char((0x563acd73bee0), 'O')
   Call: (215) [system] 'O'='('
   Fail: (215) [system] 'O'='('
   Call: (215) [system] 'O'='['
   Fail: (215) [system] 'O'='['
   Call: (215) [system] 'O'='{'
   Fail: (215) [system] 'O'='{'
   Call: (215) [system] 'O'='"'
   Fail: (215) [system] 'O'='"'
   Call: (215) [system] 'O'=!
   Fail: (215) [system] 'O'=!
   Call: (215) [system] 'O'='\''
   Fail: (215) [system] 'O'='\''
   Call: (215) [system] 'O'='`'
   Fail: (215) [system] 'O'='`'
   Call: (215) [system] 'O'=end_of_file
   Fail: (215) [system] 'O'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x563acd73bee0), 'O', _2044148)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _2079658)
   Call: (217) [system] peek_char((0x563acd73bee0), _2080592)
   Exit: (217) [system] peek_char((0x563acd73bee0), r)
^  Call: (217) [user] is_delimiter(r)
   Call: (218) [system] char_type(r, space)
   Fail: (218) [system] char_type(r, space)
   Call: (218) [system] arg(_2085312, v('(', ')', end_of_file), r)
   Fail: (218) [system] arg(_2086244, v('(', ')', end_of_file), r)
^  Fail: (217) [user] is_delimiter(r)
   Call: (217) [system] ')'==r
   Fail: (217) [system] ')'==r
   Call: (217) [system] get_char((0x563acd73bee0), r)
   Exit: (217) [system] get_char((0x563acd73bee0), r)
   Call: (217) [system] r=(\)
   Fail: (217) [system] r=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _2093594)
   Call: (218) [system] peek_char((0x563acd73bee0), _2094528)
   Exit: (218) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (218) [user] is_delimiter('L')
   Call: (219) [system] char_type('L', space)
   Fail: (219) [system] char_type('L', space)
   Call: (219) [system] arg(_8592, v('(', ')', end_of_file), 'L')
   Fail: (219) [system] arg(_9524, v('(', ')', end_of_file), 'L')
^  Fail: (218) [user] is_delimiter('L')
   Call: (218) [system] ')'=='L'
   Fail: (218) [system] ')'=='L'
   Call: (218) [system] get_char((0x563acd73bee0), 'L')
   Exit: (218) [system] get_char((0x563acd73bee0), 'L')
   Call: (218) [system] 'L'=(\)
   Fail: (218) [system] 'L'=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _16874)
   Call: (219) [system] peek_char((0x563acd73bee0), _17808)
   Exit: (219) [system] peek_char((0x563acd73bee0), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Fail: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_22528, v('(', ')', end_of_file), i)
   Fail: (220) [system] arg(_23460, v('(', ')', end_of_file), i)
^  Fail: (219) [user] is_delimiter(i)
   Call: (219) [system] ')'==i
   Fail: (219) [system] ')'==i
   Call: (219) [system] get_char((0x563acd73bee0), i)
   Exit: (219) [system] get_char((0x563acd73bee0), i)
   Call: (219) [system] i=(\)
   Fail: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _30810)
   Call: (220) [system] peek_char((0x563acd73bee0), _31744)
   Exit: (220) [system] peek_char((0x563acd73bee0), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_36464, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_37396, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x563acd73bee0), n)
   Exit: (220) [system] get_char((0x563acd73bee0), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _44746)
   Call: (221) [system] peek_char((0x563acd73bee0), _45680)
   Exit: (221) [system] peek_char((0x563acd73bee0), k)
^  Call: (221) [user] is_delimiter(k)
   Call: (222) [system] char_type(k, space)
   Fail: (222) [system] char_type(k, space)
   Call: (222) [system] arg(_50400, v('(', ')', end_of_file), k)
   Fail: (222) [system] arg(_51332, v('(', ')', end_of_file), k)
^  Fail: (221) [user] is_delimiter(k)
   Call: (221) [system] ')'==k
   Fail: (221) [system] ')'==k
   Call: (221) [system] get_char((0x563acd73bee0), k)
   Exit: (221) [system] get_char((0x563acd73bee0), k)
   Call: (221) [system] k=(\)
   Fail: (221) [system] k=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _58682)
   Call: (222) [system] peek_char((0x563acd73bee0), _59616)
   Exit: (222) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _58682=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (221) [system] _44746=[k]
   Exit: (221) [system] [k]=[k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (220) [system] _30810=[n, k]
   Exit: (220) [system] [n, k]=[n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (219) [system] _16874=[i, n, k]
   Exit: (219) [system] [i, n, k]=[i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (218) [system] _6076=['L', i, n, k]
   Exit: (218) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (217) [system] _6072=[r, 'L', i, n, k]
   Exit: (217) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (216) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _6068)
^  Call: (217) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _82870)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_83822, _83824), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _82870), _83804, fail)), '$restore_trace'(_83822, _83824))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_83822, _83824))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _82870), _83804, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_82870)
   Fail: (218) [system] atomic(_82870)
   Call: (218) [system] atom_chars(_82870, ['O', r, 'L', i, n, k])
   Exit: (218) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (217) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (217) [system] integer('OrLink')
   Fail: (217) [system] integer('OrLink')
   Call: (217) [system] _6068='OrLink'
   Exit: (217) [system] 'OrLink'='OrLink'
^  Exit: (216) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (215) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (214) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (214) [user] read_list(')', (0x563acd73bee0), _97820)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _99678)
   Exit: (216) [system] peek_char((0x563acd73bee0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
   Call: (216) [system] ' '=(/)
   Fail: (216) [system] ' '=(/)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x563acd73bee0), _109272)
   Exit: (216) [system] get_char((0x563acd73bee0), ' ')
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _111976)
   Exit: (217) [system] peek_char((0x563acd73bee0), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
   Call: (217) [system] '('=(/)
   Fail: (217) [system] '('=(/)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _128910)
   Exit: (215) [system] peek_char((0x563acd73bee0), '(')
   Call: (215) [system] '('=')'
   Fail: (215) [system] '('=')'
   Call: (215) [system] '('=end_of_file
   Fail: (215) [system] '('=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x563acd73bee0), _134480)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _136338)
   Exit: (217) [system] peek_char((0x563acd73bee0), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
   Call: (217) [system] '('=(/)
   Fail: (217) [system] '('=(/)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] get_char((0x563acd73bee0), _152348)
   Exit: (216) [system] get_char((0x563acd73bee0), '(')
   Call: (216) [system] '('='('
   Exit: (216) [system] '('='('
^  Call: (216) [user] read_list(')', (0x563acd73bee0), _134480)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _157918)
   Exit: (218) [system] peek_char((0x563acd73bee0), 'I')
   Call: (218) [system] 'I'=(;)
   Fail: (218) [system] 'I'=(;)
   Call: (218) [system] 'I'=(/)
   Fail: (218) [system] 'I'=(/)
^  Call: (218) [user] is_like_space('I')
   Call: (219) [system] char_type('I', 'white')
   Fail: (219) [system] char_type('I', 'white')
   Call: (219) [system] char_type('I', end_of_line)
   Fail: (219) [system] char_type('I', end_of_line)
   Call: (219) [system] char_type('I', space)
   Fail: (219) [system] char_type('I', space)
   Call: (219) [system] char_type('I', cntrl)
   Fail: (219) [system] char_type('I', cntrl)
^  Fail: (218) [user] is_like_space('I')
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _173928)
   Exit: (217) [system] peek_char((0x563acd73bee0), 'I')
   Call: (217) [system] 'I'=')'
   Fail: (217) [system] 'I'=')'
   Call: (217) [system] 'I'=end_of_file
   Fail: (217) [system] 'I'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x563acd73bee0), _179498)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _181356)
   Exit: (219) [system] peek_char((0x563acd73bee0), 'I')
   Call: (219) [system] 'I'=(;)
   Fail: (219) [system] 'I'=(;)
   Call: (219) [system] 'I'=(/)
   Fail: (219) [system] 'I'=(/)
^  Call: (219) [user] is_like_space('I')
   Call: (220) [system] char_type('I', 'white')
   Fail: (220) [system] char_type('I', 'white')
   Call: (220) [system] char_type('I', end_of_line)
   Fail: (220) [system] char_type('I', end_of_line)
   Call: (220) [system] char_type('I', space)
   Fail: (220) [system] char_type('I', space)
   Call: (220) [system] char_type('I', cntrl)
   Fail: (220) [system] char_type('I', cntrl)
^  Fail: (219) [user] is_like_space('I')
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] get_char((0x563acd73bee0), _197366)
   Exit: (218) [system] get_char((0x563acd73bee0), 'I')
   Call: (218) [system] 'I'='('
   Fail: (218) [system] 'I'='('
   Call: (218) [system] 'I'='['
   Fail: (218) [system] 'I'='['
   Call: (218) [system] 'I'='{'
   Fail: (218) [system] 'I'='{'
   Call: (218) [system] 'I'='"'
   Fail: (218) [system] 'I'='"'
   Call: (218) [system] 'I'=!
   Fail: (218) [system] 'I'=!
   Call: (218) [system] 'I'='\''
   Fail: (218) [system] 'I'='\''
   Call: (218) [system] 'I'='`'
   Fail: (218) [system] 'I'='`'
   Call: (218) [system] 'I'=end_of_file
   Fail: (218) [system] 'I'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x563acd73bee0), 'I', _179498)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _215008)
   Call: (220) [system] peek_char((0x563acd73bee0), _215942)
   Exit: (220) [system] peek_char((0x563acd73bee0), m)
^  Call: (220) [user] is_delimiter(m)
   Call: (221) [system] char_type(m, space)
   Fail: (221) [system] char_type(m, space)
   Call: (221) [system] arg(_220662, v('(', ')', end_of_file), m)
   Fail: (221) [system] arg(_221594, v('(', ')', end_of_file), m)
^  Fail: (220) [user] is_delimiter(m)
   Call: (220) [system] ')'==m
   Fail: (220) [system] ')'==m
   Call: (220) [system] get_char((0x563acd73bee0), m)
   Exit: (220) [system] get_char((0x563acd73bee0), m)
   Call: (220) [system] m=(\)
   Fail: (220) [system] m=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _228944)
   Call: (221) [system] peek_char((0x563acd73bee0), _229878)
   Exit: (221) [system] peek_char((0x563acd73bee0), p)
^  Call: (221) [user] is_delimiter(p)
   Call: (222) [system] char_type(p, space)
   Fail: (222) [system] char_type(p, space)
   Call: (222) [system] arg(_234598, v('(', ')', end_of_file), p)
   Fail: (222) [system] arg(_235530, v('(', ')', end_of_file), p)
^  Fail: (221) [user] is_delimiter(p)
   Call: (221) [system] ')'==p
   Fail: (221) [system] ')'==p
   Call: (221) [system] get_char((0x563acd73bee0), p)
   Exit: (221) [system] get_char((0x563acd73bee0), p)
   Call: (221) [system] p=(\)
   Fail: (221) [system] p=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _242880)
   Call: (222) [system] peek_char((0x563acd73bee0), _243814)
   Exit: (222) [system] peek_char((0x563acd73bee0), l)
^  Call: (222) [user] is_delimiter(l)
   Call: (223) [system] char_type(l, space)
   Fail: (223) [system] char_type(l, space)
   Call: (223) [system] arg(_248534, v('(', ')', end_of_file), l)
   Fail: (223) [system] arg(_249466, v('(', ')', end_of_file), l)
^  Fail: (222) [user] is_delimiter(l)
   Call: (222) [system] ')'==l
   Fail: (222) [system] ')'==l
   Call: (222) [system] get_char((0x563acd73bee0), l)
   Exit: (222) [system] get_char((0x563acd73bee0), l)
   Call: (222) [system] l=(\)
   Fail: (222) [system] l=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _256816)
   Call: (223) [system] peek_char((0x563acd73bee0), _257750)
   Exit: (223) [system] peek_char((0x563acd73bee0), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Fail: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_262470, v('(', ')', end_of_file), i)
   Fail: (224) [system] arg(_263402, v('(', ')', end_of_file), i)
^  Fail: (223) [user] is_delimiter(i)
   Call: (223) [system] ')'==i
   Fail: (223) [system] ')'==i
   Call: (223) [system] get_char((0x563acd73bee0), i)
   Exit: (223) [system] get_char((0x563acd73bee0), i)
   Call: (223) [system] i=(\)
   Fail: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _270752)
   Call: (224) [system] peek_char((0x563acd73bee0), _271686)
   Exit: (224) [system] peek_char((0x563acd73bee0), c)
^  Call: (224) [user] is_delimiter(c)
   Call: (225) [system] char_type(c, space)
   Fail: (225) [system] char_type(c, space)
   Call: (225) [system] arg(_276406, v('(', ')', end_of_file), c)
   Fail: (225) [system] arg(_277338, v('(', ')', end_of_file), c)
^  Fail: (224) [user] is_delimiter(c)
   Call: (224) [system] ')'==c
   Fail: (224) [system] ')'==c
   Call: (224) [system] get_char((0x563acd73bee0), c)
   Exit: (224) [system] get_char((0x563acd73bee0), c)
   Call: (224) [system] c=(\)
   Fail: (224) [system] c=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _284688)
   Call: (225) [system] peek_char((0x563acd73bee0), _285622)
   Exit: (225) [system] peek_char((0x563acd73bee0), a)
^  Call: (225) [user] is_delimiter(a)
   Call: (226) [system] char_type(a, space)
   Fail: (226) [system] char_type(a, space)
   Call: (226) [system] arg(_290342, v('(', ')', end_of_file), a)
   Fail: (226) [system] arg(_291274, v('(', ')', end_of_file), a)
^  Fail: (225) [user] is_delimiter(a)
   Call: (225) [system] ')'==a
   Fail: (225) [system] ')'==a
   Call: (225) [system] get_char((0x563acd73bee0), a)
   Exit: (225) [system] get_char((0x563acd73bee0), a)
   Call: (225) [system] a=(\)
   Fail: (225) [system] a=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _298624)
   Call: (226) [system] peek_char((0x563acd73bee0), _299558)
   Exit: (226) [system] peek_char((0x563acd73bee0), t)
^  Call: (226) [user] is_delimiter(t)
   Call: (227) [system] char_type(t, space)
   Fail: (227) [system] char_type(t, space)
   Call: (227) [system] arg(_304278, v('(', ')', end_of_file), t)
   Fail: (227) [system] arg(_305210, v('(', ')', end_of_file), t)
^  Fail: (226) [user] is_delimiter(t)
   Call: (226) [system] ')'==t
   Fail: (226) [system] ')'==t
   Call: (226) [system] get_char((0x563acd73bee0), t)
   Exit: (226) [system] get_char((0x563acd73bee0), t)
   Call: (226) [system] t=(\)
   Fail: (226) [system] t=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _312560)
   Call: (227) [system] peek_char((0x563acd73bee0), _313494)
   Exit: (227) [system] peek_char((0x563acd73bee0), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_318214, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_319146, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x563acd73bee0), i)
   Exit: (227) [system] get_char((0x563acd73bee0), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _326496)
   Call: (228) [system] peek_char((0x563acd73bee0), _327430)
   Exit: (228) [system] peek_char((0x563acd73bee0), o)
^  Call: (228) [user] is_delimiter(o)
   Call: (229) [system] char_type(o, space)
   Fail: (229) [system] char_type(o, space)
   Call: (229) [system] arg(_332150, v('(', ')', end_of_file), o)
   Fail: (229) [system] arg(_333082, v('(', ')', end_of_file), o)
^  Fail: (228) [user] is_delimiter(o)
   Call: (228) [system] ')'==o
   Fail: (228) [system] ')'==o
   Call: (228) [system] get_char((0x563acd73bee0), o)
   Exit: (228) [system] get_char((0x563acd73bee0), o)
   Call: (228) [system] o=(\)
   Fail: (228) [system] o=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _340432)
   Call: (229) [system] peek_char((0x563acd73bee0), _341366)
   Exit: (229) [system] peek_char((0x563acd73bee0), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_346086, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_347018, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x563acd73bee0), n)
   Exit: (229) [system] get_char((0x563acd73bee0), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _354368)
   Call: (230) [system] peek_char((0x563acd73bee0), _355302)
   Exit: (230) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _354368=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (229) [system] _340432=[n]
   Exit: (229) [system] [n]=[n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (228) [system] _326496=[o, n]
   Exit: (228) [system] [o, n]=[o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (227) [system] _312560=[i, o, n]
   Exit: (227) [system] [i, o, n]=[i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (226) [system] _298624=[t, i, o, n]
   Exit: (226) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (225) [system] _284688=[a, t, i, o, n]
   Exit: (225) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (224) [system] _270752=[c, a, t, i, o, n]
   Exit: (224) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (223) [system] _256816=[i, c, a, t, i, o, n]
   Exit: (223) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (222) [system] _242880=[l, i, c, a, t, i, o, n]
   Exit: (222) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (221) [system] _228944=[p, l, i, c, a, t, i, o, n]
   Exit: (221) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (220) [system] _215008=[m, p, l, i, c, a, t, i, o, n]
   Exit: (220) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (219) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _179498)
^  Call: (220) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _392526)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_393478, _393480), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _392526), _393460, fail)), '$restore_trace'(_393478, _393480))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_393478, _393480))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _392526), _393460, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_392526)
   Fail: (221) [system] atomic(_392526)
   Call: (221) [system] atom_chars(_392526, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (221) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (220) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (220) [system] integer('Implication')
   Fail: (220) [system] integer('Implication')
   Call: (220) [system] _179498='Implication'
   Exit: (220) [system] 'Implication'='Implication'
^  Exit: (219) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (218) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (217) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (217) [user] read_list(')', (0x563acd73bee0), _407476)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _409334)
   Exit: (219) [system] peek_char((0x563acd73bee0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
   Call: (219) [system] ' '=(/)
   Fail: (219) [system] ' '=(/)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x563acd73bee0), _418928)
   Exit: (219) [system] get_char((0x563acd73bee0), ' ')
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _421632)
   Exit: (220) [system] peek_char((0x563acd73bee0), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _438566)
   Exit: (218) [system] peek_char((0x563acd73bee0), '(')
   Call: (218) [system] '('=')'
   Fail: (218) [system] '('=')'
   Call: (218) [system] '('=end_of_file
   Fail: (218) [system] '('=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x563acd73bee0), _444136)
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _445994)
   Exit: (220) [system] peek_char((0x563acd73bee0), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
   Call: (220) [system] '('=(/)
   Fail: (220) [system] '('=(/)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] get_char((0x563acd73bee0), _462004)
   Exit: (219) [system] get_char((0x563acd73bee0), '(')
   Call: (219) [system] '('='('
   Exit: (219) [system] '('='('
^  Call: (219) [user] read_list(')', (0x563acd73bee0), _444136)
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _467574)
   Exit: (221) [system] peek_char((0x563acd73bee0), 'A')
   Call: (221) [system] 'A'=(;)
   Fail: (221) [system] 'A'=(;)
   Call: (221) [system] 'A'=(/)
   Fail: (221) [system] 'A'=(/)
^  Call: (221) [user] is_like_space('A')
   Call: (222) [system] char_type('A', 'white')
   Fail: (222) [system] char_type('A', 'white')
   Call: (222) [system] char_type('A', end_of_line)
   Fail: (222) [system] char_type('A', end_of_line)
   Call: (222) [system] char_type('A', space)
   Fail: (222) [system] char_type('A', space)
   Call: (222) [system] char_type('A', cntrl)
   Fail: (222) [system] char_type('A', cntrl)
^  Fail: (221) [user] is_like_space('A')
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _483584)
   Exit: (220) [system] peek_char((0x563acd73bee0), 'A')
   Call: (220) [system] 'A'=')'
   Fail: (220) [system] 'A'=')'
   Call: (220) [system] 'A'=end_of_file
   Fail: (220) [system] 'A'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x563acd73bee0), _489154)
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _491012)
   Exit: (222) [system] peek_char((0x563acd73bee0), 'A')
   Call: (222) [system] 'A'=(;)
   Fail: (222) [system] 'A'=(;)
   Call: (222) [system] 'A'=(/)
   Fail: (222) [system] 'A'=(/)
^  Call: (222) [user] is_like_space('A')
   Call: (223) [system] char_type('A', 'white')
   Fail: (223) [system] char_type('A', 'white')
   Call: (223) [system] char_type('A', end_of_line)
   Fail: (223) [system] char_type('A', end_of_line)
   Call: (223) [system] char_type('A', space)
   Fail: (223) [system] char_type('A', space)
   Call: (223) [system] char_type('A', cntrl)
   Fail: (223) [system] char_type('A', cntrl)
^  Fail: (222) [user] is_like_space('A')
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] get_char((0x563acd73bee0), _507022)
   Exit: (221) [system] get_char((0x563acd73bee0), 'A')
   Call: (221) [system] 'A'='('
   Fail: (221) [system] 'A'='('
   Call: (221) [system] 'A'='['
   Fail: (221) [system] 'A'='['
   Call: (221) [system] 'A'='{'
   Fail: (221) [system] 'A'='{'
   Call: (221) [system] 'A'='"'
   Fail: (221) [system] 'A'='"'
   Call: (221) [system] 'A'=!
   Fail: (221) [system] 'A'=!
   Call: (221) [system] 'A'='\''
   Fail: (221) [system] 'A'='\''
   Call: (221) [system] 'A'='`'
   Fail: (221) [system] 'A'='`'
   Call: (221) [system] 'A'=end_of_file
   Fail: (221) [system] 'A'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x563acd73bee0), 'A', _489154)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _524664)
   Call: (223) [system] peek_char((0x563acd73bee0), _525598)
   Exit: (223) [system] peek_char((0x563acd73bee0), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_530318, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_531250, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x563acd73bee0), n)
   Exit: (223) [system] get_char((0x563acd73bee0), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _538600)
   Call: (224) [system] peek_char((0x563acd73bee0), _539534)
   Exit: (224) [system] peek_char((0x563acd73bee0), d)
^  Call: (224) [user] is_delimiter(d)
   Call: (225) [system] char_type(d, space)
   Fail: (225) [system] char_type(d, space)
   Call: (225) [system] arg(_544254, v('(', ')', end_of_file), d)
   Fail: (225) [system] arg(_545186, v('(', ')', end_of_file), d)
^  Fail: (224) [user] is_delimiter(d)
   Call: (224) [system] ')'==d
   Fail: (224) [system] ')'==d
   Call: (224) [system] get_char((0x563acd73bee0), d)
   Exit: (224) [system] get_char((0x563acd73bee0), d)
   Call: (224) [system] d=(\)
   Fail: (224) [system] d=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _552536)
   Call: (225) [system] peek_char((0x563acd73bee0), _553470)
   Exit: (225) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (225) [user] is_delimiter('L')
   Call: (226) [system] char_type('L', space)
   Fail: (226) [system] char_type('L', space)
   Call: (226) [system] arg(_558190, v('(', ')', end_of_file), 'L')
   Fail: (226) [system] arg(_559122, v('(', ')', end_of_file), 'L')
^  Fail: (225) [user] is_delimiter('L')
   Call: (225) [system] ')'=='L'
   Fail: (225) [system] ')'=='L'
   Call: (225) [system] get_char((0x563acd73bee0), 'L')
   Exit: (225) [system] get_char((0x563acd73bee0), 'L')
   Call: (225) [system] 'L'=(\)
   Fail: (225) [system] 'L'=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _566472)
   Call: (226) [system] peek_char((0x563acd73bee0), _567406)
   Exit: (226) [system] peek_char((0x563acd73bee0), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Fail: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_572126, v('(', ')', end_of_file), i)
   Fail: (227) [system] arg(_573058, v('(', ')', end_of_file), i)
^  Fail: (226) [user] is_delimiter(i)
   Call: (226) [system] ')'==i
   Fail: (226) [system] ')'==i
   Call: (226) [system] get_char((0x563acd73bee0), i)
   Exit: (226) [system] get_char((0x563acd73bee0), i)
   Call: (226) [system] i=(\)
   Fail: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _580408)
   Call: (227) [system] peek_char((0x563acd73bee0), _581342)
   Exit: (227) [system] peek_char((0x563acd73bee0), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_586062, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_586994, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x563acd73bee0), n)
   Exit: (227) [system] get_char((0x563acd73bee0), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _594344)
   Call: (228) [system] peek_char((0x563acd73bee0), _595278)
   Exit: (228) [system] peek_char((0x563acd73bee0), k)
^  Call: (228) [user] is_delimiter(k)
   Call: (229) [system] char_type(k, space)
   Fail: (229) [system] char_type(k, space)
   Call: (229) [system] arg(_599998, v('(', ')', end_of_file), k)
   Fail: (229) [system] arg(_600930, v('(', ')', end_of_file), k)
^  Fail: (228) [user] is_delimiter(k)
   Call: (228) [system] ')'==k
   Fail: (228) [system] ')'==k
   Call: (228) [system] get_char((0x563acd73bee0), k)
   Exit: (228) [system] get_char((0x563acd73bee0), k)
   Call: (228) [system] k=(\)
   Fail: (228) [system] k=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _608280)
   Call: (229) [system] peek_char((0x563acd73bee0), _609214)
   Exit: (229) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _608280=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (228) [system] _594344=[k]
   Exit: (228) [system] [k]=[k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (227) [system] _580408=[n, k]
   Exit: (227) [system] [n, k]=[n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (226) [system] _566472=[i, n, k]
   Exit: (226) [system] [i, n, k]=[i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (225) [system] _552536=['L', i, n, k]
   Exit: (225) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (224) [system] _538600=[d, 'L', i, n, k]
   Exit: (224) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [d, 'L', i, n, k])
   Call: (223) [system] _524664=[n, d, 'L', i, n, k]
   Exit: (223) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, d, 'L', i, n, k])
^  Call: (222) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], _489154)
^  Call: (223) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], _635262)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_636214, _636216), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _635262), _636196, fail)), '$restore_trace'(_636214, _636216))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_636214, _636216))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _635262), _636196, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_635262)
   Fail: (224) [system] atomic(_635262)
   Call: (224) [system] atom_chars(_635262, ['A', n, d, 'L', i, n, k])
   Exit: (224) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (223) [user] classify_and_convert_charseq_(['A', n, d, 'L', i, n, k], 'AndLink')
   Call: (223) [system] integer('AndLink')
   Fail: (223) [system] integer('AndLink')
   Call: (223) [system] _489154='AndLink'
   Exit: (223) [system] 'AndLink'='AndLink'
^  Exit: (222) [user] classify_and_convert_charseq(['A', n, d, 'L', i, n, k], 'AndLink')
^  Exit: (221) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'AndLink')
^  Exit: (220) [user] cont_sexpr(')', (0x563acd73bee0), 'AndLink')
^  Call: (220) [user] read_list(')', (0x563acd73bee0), _650212)
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _652070)
   Exit: (222) [system] peek_char((0x563acd73bee0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
   Call: (222) [system] ' '=(/)
   Fail: (222) [system] ' '=(/)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x563acd73bee0), _661664)
   Exit: (222) [system] get_char((0x563acd73bee0), ' ')
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _664368)
   Exit: (223) [system] peek_char((0x563acd73bee0), 'A')
   Call: (223) [system] 'A'=(;)
   Fail: (223) [system] 'A'=(;)
   Call: (223) [system] 'A'=(/)
   Fail: (223) [system] 'A'=(/)
^  Call: (223) [user] is_like_space('A')
   Call: (224) [system] char_type('A', 'white')
   Fail: (224) [system] char_type('A', 'white')
   Call: (224) [system] char_type('A', end_of_line)
   Fail: (224) [system] char_type('A', end_of_line)
   Call: (224) [system] char_type('A', space)
   Fail: (224) [system] char_type('A', space)
   Call: (224) [system] char_type('A', cntrl)
   Fail: (224) [system] char_type('A', cntrl)
^  Fail: (223) [user] is_like_space('A')
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _681302)
   Exit: (221) [system] peek_char((0x563acd73bee0), 'A')
   Call: (221) [system] 'A'=')'
   Fail: (221) [system] 'A'=')'
   Call: (221) [system] 'A'=end_of_file
   Fail: (221) [system] 'A'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x563acd73bee0), _686872)
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _688730)
   Exit: (223) [system] peek_char((0x563acd73bee0), 'A')
   Call: (223) [system] 'A'=(;)
   Fail: (223) [system] 'A'=(;)
   Call: (223) [system] 'A'=(/)
   Fail: (223) [system] 'A'=(/)
^  Call: (223) [user] is_like_space('A')
   Call: (224) [system] char_type('A', 'white')
   Fail: (224) [system] char_type('A', 'white')
   Call: (224) [system] char_type('A', end_of_line)
   Fail: (224) [system] char_type('A', end_of_line)
   Call: (224) [system] char_type('A', space)
   Fail: (224) [system] char_type('A', space)
   Call: (224) [system] char_type('A', cntrl)
   Fail: (224) [system] char_type('A', cntrl)
^  Fail: (223) [user] is_like_space('A')
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] get_char((0x563acd73bee0), _704740)
   Exit: (222) [system] get_char((0x563acd73bee0), 'A')
   Call: (222) [system] 'A'='('
   Fail: (222) [system] 'A'='('
   Call: (222) [system] 'A'='['
   Fail: (222) [system] 'A'='['
   Call: (222) [system] 'A'='{'
   Fail: (222) [system] 'A'='{'
   Call: (222) [system] 'A'='"'
   Fail: (222) [system] 'A'='"'
   Call: (222) [system] 'A'=!
   Fail: (222) [system] 'A'=!
   Call: (222) [system] 'A'='\''
   Fail: (222) [system] 'A'='\''
   Call: (222) [system] 'A'='`'
   Fail: (222) [system] 'A'='`'
   Call: (222) [system] 'A'=end_of_file
   Fail: (222) [system] 'A'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x563acd73bee0), 'A', _686872)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _722382)
   Call: (224) [system] peek_char((0x563acd73bee0), _723316)
   Exit: (224) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _722382=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (223) [user] classify_and_convert_charseq(['A'], _686872)
^  Call: (224) [user] classify_and_convert_charseq_(['A'], _732600)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_733552, _733554), once(user:catch(read_from_chars(['A'], _732600), _733534, fail)), '$restore_trace'(_733552, _733554))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_733552, _733554))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _732600), _733534, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_732600)
   Fail: (225) [system] atomic(_732600)
   Call: (225) [system] atom_chars(_732600, ['A'])
   Exit: (225) [system] atom_chars('A', ['A'])
^  Exit: (224) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (224) [system] integer('A')
   Fail: (224) [system] integer('A')
   Call: (224) [system] _686872='A'
   Exit: (224) [system] 'A'='A'
^  Exit: (223) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (222) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (221) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (221) [user] read_list(')', (0x563acd73bee0), _747550)
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _749408)
   Exit: (223) [system] peek_char((0x563acd73bee0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x563acd73bee0), _759002)
   Exit: (223) [system] get_char((0x563acd73bee0), ' ')
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _761706)
   Exit: (224) [system] peek_char((0x563acd73bee0), 'B')
   Call: (224) [system] 'B'=(;)
   Fail: (224) [system] 'B'=(;)
   Call: (224) [system] 'B'=(/)
   Fail: (224) [system] 'B'=(/)
^  Call: (224) [user] is_like_space('B')
   Call: (225) [system] char_type('B', 'white')
   Fail: (225) [system] char_type('B', 'white')
   Call: (225) [system] char_type('B', end_of_line)
   Fail: (225) [system] char_type('B', end_of_line)
   Call: (225) [system] char_type('B', space)
   Fail: (225) [system] char_type('B', space)
   Call: (225) [system] char_type('B', cntrl)
   Fail: (225) [system] char_type('B', cntrl)
^  Fail: (224) [user] is_like_space('B')
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _778640)
   Exit: (222) [system] peek_char((0x563acd73bee0), 'B')
   Call: (222) [system] 'B'=')'
   Fail: (222) [system] 'B'=')'
   Call: (222) [system] 'B'=end_of_file
   Fail: (222) [system] 'B'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x563acd73bee0), _784210)
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _786068)
   Exit: (224) [system] peek_char((0x563acd73bee0), 'B')
   Call: (224) [system] 'B'=(;)
   Fail: (224) [system] 'B'=(;)
   Call: (224) [system] 'B'=(/)
   Fail: (224) [system] 'B'=(/)
^  Call: (224) [user] is_like_space('B')
   Call: (225) [system] char_type('B', 'white')
   Fail: (225) [system] char_type('B', 'white')
   Call: (225) [system] char_type('B', end_of_line)
   Fail: (225) [system] char_type('B', end_of_line)
   Call: (225) [system] char_type('B', space)
   Fail: (225) [system] char_type('B', space)
   Call: (225) [system] char_type('B', cntrl)
   Fail: (225) [system] char_type('B', cntrl)
^  Fail: (224) [user] is_like_space('B')
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] get_char((0x563acd73bee0), _802078)
   Exit: (223) [system] get_char((0x563acd73bee0), 'B')
   Call: (223) [system] 'B'='('
   Fail: (223) [system] 'B'='('
   Call: (223) [system] 'B'='['
   Fail: (223) [system] 'B'='['
   Call: (223) [system] 'B'='{'
   Fail: (223) [system] 'B'='{'
   Call: (223) [system] 'B'='"'
   Fail: (223) [system] 'B'='"'
   Call: (223) [system] 'B'=!
   Fail: (223) [system] 'B'=!
   Call: (223) [system] 'B'='\''
   Fail: (223) [system] 'B'='\''
   Call: (223) [system] 'B'='`'
   Fail: (223) [system] 'B'='`'
   Call: (223) [system] 'B'=end_of_file
   Fail: (223) [system] 'B'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x563acd73bee0), 'B', _784210)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _819720)
   Call: (225) [system] peek_char((0x563acd73bee0), _820654)
   Exit: (225) [system] peek_char((0x563acd73bee0), ')')
^  Call: (225) [user] is_delimiter(')')
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] arg(_825374, v('(', ')', end_of_file), ')')
   Exit: (226) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (225) [user] is_delimiter(')')
   Call: (225) [system] _819720=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (224) [user] classify_and_convert_charseq(['B'], _784210)
^  Call: (225) [user] classify_and_convert_charseq_(['B'], _831810)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_832762, _832764), once(user:catch(read_from_chars(['B'], _831810), _832744, fail)), '$restore_trace'(_832762, _832764))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_832762, _832764))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _831810), _832744, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_831810)
   Fail: (226) [system] atomic(_831810)
   Call: (226) [system] atom_chars(_831810, ['B'])
   Exit: (226) [system] atom_chars('B', ['B'])
^  Exit: (225) [user] classify_and_convert_charseq_(['B'], 'B')
   Call: (225) [system] integer('B')
   Fail: (225) [system] integer('B')
   Call: (225) [system] _784210='B'
   Exit: (225) [system] 'B'='B'
^  Exit: (224) [user] classify_and_convert_charseq(['B'], 'B')
^  Exit: (223) [user] read_symbolic(')', (0x563acd73bee0), 'B', 'B')
^  Exit: (222) [user] cont_sexpr(')', (0x563acd73bee0), 'B')
^  Call: (222) [user] read_list(')', (0x563acd73bee0), _846760)
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _848618)
   Exit: (224) [system] peek_char((0x563acd73bee0), ')')
   Call: (224) [system] ')'=(;)
   Fail: (224) [system] ')'=(;)
   Call: (224) [system] ')'=(/)
   Fail: (224) [system] ')'=(/)
^  Call: (224) [user] is_like_space(')')
   Call: (225) [system] char_type(')', 'white')
   Fail: (225) [system] char_type(')', 'white')
   Call: (225) [system] char_type(')', end_of_line)
   Fail: (225) [system] char_type(')', end_of_line)
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] char_type(')', cntrl)
   Fail: (225) [system] char_type(')', cntrl)
^  Fail: (224) [user] is_like_space(')')
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _864628)
   Exit: (223) [system] peek_char((0x563acd73bee0), ')')
   Call: (223) [system] ')'=')'
   Exit: (223) [system] ')'=')'
   Call: (223) [system] get_char((0x563acd73bee0), _868418)
   Exit: (223) [system] get_char((0x563acd73bee0), ')')
   Call: (223) [system] _846760=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_list(')', (0x563acd73bee0), [])
   Call: (222) [system] _747550=['B']
   Exit: (222) [system] ['B']=['B']
^  Exit: (221) [user] read_list(')', (0x563acd73bee0), ['B'])
   Call: (221) [system] _650212=['A', 'B']
   Exit: (221) [system] ['A', 'B']=['A', 'B']
^  Exit: (220) [user] read_list(')', (0x563acd73bee0), ['A', 'B'])
   Call: (220) [system] _444136=['AndLink', 'A', 'B']
   Exit: (220) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (219) [user] read_list(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Exit: (218) [user] cont_sexpr(')', (0x563acd73bee0), ['AndLink', 'A', 'B'])
^  Call: (218) [user] read_list(')', (0x563acd73bee0), _882300)
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _884158)
   Exit: (220) [system] peek_char((0x563acd73bee0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x563acd73bee0), _893752)
   Exit: (220) [system] get_char((0x563acd73bee0), ' ')
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _896456)
   Exit: (221) [system] peek_char((0x563acd73bee0), 'C')
   Call: (221) [system] 'C'=(;)
   Fail: (221) [system] 'C'=(;)
   Call: (221) [system] 'C'=(/)
   Fail: (221) [system] 'C'=(/)
^  Call: (221) [user] is_like_space('C')
   Call: (222) [system] char_type('C', 'white')
   Fail: (222) [system] char_type('C', 'white')
   Call: (222) [system] char_type('C', end_of_line)
   Fail: (222) [system] char_type('C', end_of_line)
   Call: (222) [system] char_type('C', space)
   Fail: (222) [system] char_type('C', space)
   Call: (222) [system] char_type('C', cntrl)
   Fail: (222) [system] char_type('C', cntrl)
^  Fail: (221) [user] is_like_space('C')
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _913390)
   Exit: (219) [system] peek_char((0x563acd73bee0), 'C')
   Call: (219) [system] 'C'=')'
   Fail: (219) [system] 'C'=')'
   Call: (219) [system] 'C'=end_of_file
   Fail: (219) [system] 'C'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x563acd73bee0), _918960)
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _920818)
   Exit: (221) [system] peek_char((0x563acd73bee0), 'C')
   Call: (221) [system] 'C'=(;)
   Fail: (221) [system] 'C'=(;)
   Call: (221) [system] 'C'=(/)
   Fail: (221) [system] 'C'=(/)
^  Call: (221) [user] is_like_space('C')
   Call: (222) [system] char_type('C', 'white')
   Fail: (222) [system] char_type('C', 'white')
   Call: (222) [system] char_type('C', end_of_line)
   Fail: (222) [system] char_type('C', end_of_line)
   Call: (222) [system] char_type('C', space)
   Fail: (222) [system] char_type('C', space)
   Call: (222) [system] char_type('C', cntrl)
   Fail: (222) [system] char_type('C', cntrl)
^  Fail: (221) [user] is_like_space('C')
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] get_char((0x563acd73bee0), _936828)
   Exit: (220) [system] get_char((0x563acd73bee0), 'C')
   Call: (220) [system] 'C'='('
   Fail: (220) [system] 'C'='('
   Call: (220) [system] 'C'='['
   Fail: (220) [system] 'C'='['
   Call: (220) [system] 'C'='{'
   Fail: (220) [system] 'C'='{'
   Call: (220) [system] 'C'='"'
   Fail: (220) [system] 'C'='"'
   Call: (220) [system] 'C'=!
   Fail: (220) [system] 'C'=!
   Call: (220) [system] 'C'='\''
   Fail: (220) [system] 'C'='\''
   Call: (220) [system] 'C'='`'
   Fail: (220) [system] 'C'='`'
   Call: (220) [system] 'C'=end_of_file
   Fail: (220) [system] 'C'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x563acd73bee0), 'C', _918960)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _954470)
   Call: (222) [system] peek_char((0x563acd73bee0), _955404)
   Exit: (222) [system] peek_char((0x563acd73bee0), ')')
^  Call: (222) [user] is_delimiter(')')
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] arg(_960124, v('(', ')', end_of_file), ')')
   Exit: (223) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (222) [user] is_delimiter(')')
   Call: (222) [system] _954470=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (221) [user] classify_and_convert_charseq(['C'], _918960)
^  Call: (222) [user] classify_and_convert_charseq_(['C'], _966560)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_967512, _967514), once(user:catch(read_from_chars(['C'], _966560), _967494, fail)), '$restore_trace'(_967512, _967514))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_967512, _967514))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _966560), _967494, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_966560)
   Fail: (223) [system] atomic(_966560)
   Call: (223) [system] atom_chars(_966560, ['C'])
   Exit: (223) [system] atom_chars('C', ['C'])
^  Exit: (222) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (222) [system] integer('C')
   Fail: (222) [system] integer('C')
   Call: (222) [system] _918960='C'
   Exit: (222) [system] 'C'='C'
^  Exit: (221) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (220) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (219) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (219) [user] read_list(')', (0x563acd73bee0), _981510)
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _983368)
   Exit: (221) [system] peek_char((0x563acd73bee0), ')')
   Call: (221) [system] ')'=(;)
   Fail: (221) [system] ')'=(;)
   Call: (221) [system] ')'=(/)
   Fail: (221) [system] ')'=(/)
^  Call: (221) [user] is_like_space(')')
   Call: (222) [system] char_type(')', 'white')
   Fail: (222) [system] char_type(')', 'white')
   Call: (222) [system] char_type(')', end_of_line)
   Fail: (222) [system] char_type(')', end_of_line)
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] char_type(')', cntrl)
   Fail: (222) [system] char_type(')', cntrl)
^  Fail: (221) [user] is_like_space(')')
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _999378)
   Exit: (220) [system] peek_char((0x563acd73bee0), ')')
   Call: (220) [system] ')'=')'
   Exit: (220) [system] ')'=')'
   Call: (220) [system] get_char((0x563acd73bee0), _1003168)
   Exit: (220) [system] get_char((0x563acd73bee0), ')')
   Call: (220) [system] _981510=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_list(')', (0x563acd73bee0), [])
   Call: (219) [system] _882300=['C']
   Exit: (219) [system] ['C']=['C']
^  Exit: (218) [user] read_list(')', (0x563acd73bee0), ['C'])
   Call: (218) [system] _407476=[['AndLink', 'A', 'B'], 'C']
   Exit: (218) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (217) [user] read_list(')', (0x563acd73bee0), [['AndLink', 'A', 'B'], 'C'])
   Call: (217) [system] _134480=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (217) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (216) [user] read_list(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (215) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (215) [user] read_list(')', (0x563acd73bee0), _1017050)
^  Call: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _1018908)
   Exit: (217) [system] peek_char((0x563acd73bee0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
   Call: (217) [system] ' '=(/)
   Fail: (217) [system] ' '=(/)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x563acd73bee0), _1028502)
   Exit: (217) [system] get_char((0x563acd73bee0), ' ')
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _1031206)
   Exit: (218) [system] peek_char((0x563acd73bee0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
^  Exit: (216) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _1048140)
   Exit: (216) [system] peek_char((0x563acd73bee0), '(')
   Call: (216) [system] '('=')'
   Fail: (216) [system] '('=')'
   Call: (216) [system] '('=end_of_file
   Fail: (216) [system] '('=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x563acd73bee0), _1053710)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _1055568)
   Exit: (218) [system] peek_char((0x563acd73bee0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
   Call: (218) [system] '('=(/)
   Fail: (218) [system] '('=(/)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] get_char((0x563acd73bee0), _1071578)
   Exit: (217) [system] get_char((0x563acd73bee0), '(')
   Call: (217) [system] '('='('
   Exit: (217) [system] '('='('
^  Call: (217) [user] read_list(')', (0x563acd73bee0), _1053710)
^  Call: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _1077148)
   Exit: (219) [system] peek_char((0x563acd73bee0), 'O')
   Call: (219) [system] 'O'=(;)
   Fail: (219) [system] 'O'=(;)
   Call: (219) [system] 'O'=(/)
   Fail: (219) [system] 'O'=(/)
^  Call: (219) [user] is_like_space('O')
   Call: (220) [system] char_type('O', 'white')
   Fail: (220) [system] char_type('O', 'white')
   Call: (220) [system] char_type('O', end_of_line)
   Fail: (220) [system] char_type('O', end_of_line)
   Call: (220) [system] char_type('O', space)
   Fail: (220) [system] char_type('O', space)
   Call: (220) [system] char_type('O', cntrl)
   Fail: (220) [system] char_type('O', cntrl)
^  Fail: (219) [user] is_like_space('O')
^  Exit: (218) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _1093158)
   Exit: (218) [system] peek_char((0x563acd73bee0), 'O')
   Call: (218) [system] 'O'=')'
   Fail: (218) [system] 'O'=')'
   Call: (218) [system] 'O'=end_of_file
   Fail: (218) [system] 'O'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x563acd73bee0), _1098728)
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _1100586)
   Exit: (220) [system] peek_char((0x563acd73bee0), 'O')
   Call: (220) [system] 'O'=(;)
   Fail: (220) [system] 'O'=(;)
   Call: (220) [system] 'O'=(/)
   Fail: (220) [system] 'O'=(/)
^  Call: (220) [user] is_like_space('O')
   Call: (221) [system] char_type('O', 'white')
   Fail: (221) [system] char_type('O', 'white')
   Call: (221) [system] char_type('O', end_of_line)
   Fail: (221) [system] char_type('O', end_of_line)
   Call: (221) [system] char_type('O', space)
   Fail: (221) [system] char_type('O', space)
   Call: (221) [system] char_type('O', cntrl)
   Fail: (221) [system] char_type('O', cntrl)
^  Fail: (220) [user] is_like_space('O')
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] get_char((0x563acd73bee0), _1116596)
   Exit: (219) [system] get_char((0x563acd73bee0), 'O')
   Call: (219) [system] 'O'='('
   Fail: (219) [system] 'O'='('
   Call: (219) [system] 'O'='['
   Fail: (219) [system] 'O'='['
   Call: (219) [system] 'O'='{'
   Fail: (219) [system] 'O'='{'
   Call: (219) [system] 'O'='"'
   Fail: (219) [system] 'O'='"'
   Call: (219) [system] 'O'=!
   Fail: (219) [system] 'O'=!
   Call: (219) [system] 'O'='\''
   Fail: (219) [system] 'O'='\''
   Call: (219) [system] 'O'='`'
   Fail: (219) [system] 'O'='`'
   Call: (219) [system] 'O'=end_of_file
   Fail: (219) [system] 'O'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x563acd73bee0), 'O', _1098728)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _1134238)
   Call: (221) [system] peek_char((0x563acd73bee0), _1135172)
   Exit: (221) [system] peek_char((0x563acd73bee0), r)
^  Call: (221) [user] is_delimiter(r)
   Call: (222) [system] char_type(r, space)
   Fail: (222) [system] char_type(r, space)
   Call: (222) [system] arg(_1139892, v('(', ')', end_of_file), r)
   Fail: (222) [system] arg(_1140824, v('(', ')', end_of_file), r)
^  Fail: (221) [user] is_delimiter(r)
   Call: (221) [system] ')'==r
   Fail: (221) [system] ')'==r
   Call: (221) [system] get_char((0x563acd73bee0), r)
   Exit: (221) [system] get_char((0x563acd73bee0), r)
   Call: (221) [system] r=(\)
   Fail: (221) [system] r=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _1148174)
   Call: (222) [system] peek_char((0x563acd73bee0), _1149108)
   Exit: (222) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (222) [user] is_delimiter('L')
   Call: (223) [system] char_type('L', space)
   Fail: (223) [system] char_type('L', space)
   Call: (223) [system] arg(_1153828, v('(', ')', end_of_file), 'L')
   Fail: (223) [system] arg(_1154760, v('(', ')', end_of_file), 'L')
^  Fail: (222) [user] is_delimiter('L')
   Call: (222) [system] ')'=='L'
   Fail: (222) [system] ')'=='L'
   Call: (222) [system] get_char((0x563acd73bee0), 'L')
   Exit: (222) [system] get_char((0x563acd73bee0), 'L')
   Call: (222) [system] 'L'=(\)
   Fail: (222) [system] 'L'=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _1162110)
   Call: (223) [system] peek_char((0x563acd73bee0), _1163044)
   Exit: (223) [system] peek_char((0x563acd73bee0), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Fail: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_1167764, v('(', ')', end_of_file), i)
   Fail: (224) [system] arg(_1168696, v('(', ')', end_of_file), i)
^  Fail: (223) [user] is_delimiter(i)
   Call: (223) [system] ')'==i
   Fail: (223) [system] ')'==i
   Call: (223) [system] get_char((0x563acd73bee0), i)
   Exit: (223) [system] get_char((0x563acd73bee0), i)
   Call: (223) [system] i=(\)
   Fail: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _1176046)
   Call: (224) [system] peek_char((0x563acd73bee0), _1176980)
   Exit: (224) [system] peek_char((0x563acd73bee0), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_1181700, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_1182632, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x563acd73bee0), n)
   Exit: (224) [system] get_char((0x563acd73bee0), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _1189982)
   Call: (225) [system] peek_char((0x563acd73bee0), _1190916)
   Exit: (225) [system] peek_char((0x563acd73bee0), k)
^  Call: (225) [user] is_delimiter(k)
   Call: (226) [system] char_type(k, space)
   Fail: (226) [system] char_type(k, space)
   Call: (226) [system] arg(_1195636, v('(', ')', end_of_file), k)
   Fail: (226) [system] arg(_1196568, v('(', ')', end_of_file), k)
^  Fail: (225) [user] is_delimiter(k)
   Call: (225) [system] ')'==k
   Fail: (225) [system] ')'==k
   Call: (225) [system] get_char((0x563acd73bee0), k)
   Exit: (225) [system] get_char((0x563acd73bee0), k)
   Call: (225) [system] k=(\)
   Fail: (225) [system] k=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _1203918)
   Call: (226) [system] peek_char((0x563acd73bee0), _1204852)
   Exit: (226) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _1203918=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (225) [system] _1189982=[k]
   Exit: (225) [system] [k]=[k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (224) [system] _1176046=[n, k]
   Exit: (224) [system] [n, k]=[n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (223) [system] _1162110=[i, n, k]
   Exit: (223) [system] [i, n, k]=[i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (222) [system] _1148174=['L', i, n, k]
   Exit: (222) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (221) [system] _1134238=[r, 'L', i, n, k]
   Exit: (221) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (220) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1098728)
^  Call: (221) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1228106)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_1229058, _1229060), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1228106), _1229040, fail)), '$restore_trace'(_1229058, _1229060))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_1229058, _1229060))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1228106), _1229040, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_1228106)
   Fail: (222) [system] atomic(_1228106)
   Call: (222) [system] atom_chars(_1228106, ['O', r, 'L', i, n, k])
   Exit: (222) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (221) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (221) [system] integer('OrLink')
   Fail: (221) [system] integer('OrLink')
   Call: (221) [system] _1098728='OrLink'
   Exit: (221) [system] 'OrLink'='OrLink'
^  Exit: (220) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (219) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (218) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (218) [user] read_list(')', (0x563acd73bee0), _1243056)
^  Call: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _1244914)
   Exit: (220) [system] peek_char((0x563acd73bee0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
   Call: (220) [system] ' '=(/)
   Fail: (220) [system] ' '=(/)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x563acd73bee0), _1254508)
   Exit: (220) [system] get_char((0x563acd73bee0), ' ')
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _1257212)
   Exit: (221) [system] peek_char((0x563acd73bee0), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
^  Exit: (219) [user] skip_spaces((0x563acd73bee0))
   Call: (219) [system] peek_char((0x563acd73bee0), _1274146)
   Exit: (219) [system] peek_char((0x563acd73bee0), '(')
   Call: (219) [system] '('=')'
   Fail: (219) [system] '('=')'
   Call: (219) [system] '('=end_of_file
   Fail: (219) [system] '('=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x563acd73bee0), _1279716)
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _1281574)
   Exit: (221) [system] peek_char((0x563acd73bee0), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
   Call: (221) [system] '('=(/)
   Fail: (221) [system] '('=(/)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] get_char((0x563acd73bee0), _1297584)
   Exit: (220) [system] get_char((0x563acd73bee0), '(')
   Call: (220) [system] '('='('
   Exit: (220) [system] '('='('
^  Call: (220) [user] read_list(')', (0x563acd73bee0), _1279716)
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _1303154)
   Exit: (222) [system] peek_char((0x563acd73bee0), 'I')
   Call: (222) [system] 'I'=(;)
   Fail: (222) [system] 'I'=(;)
   Call: (222) [system] 'I'=(/)
   Fail: (222) [system] 'I'=(/)
^  Call: (222) [user] is_like_space('I')
   Call: (223) [system] char_type('I', 'white')
   Fail: (223) [system] char_type('I', 'white')
   Call: (223) [system] char_type('I', end_of_line)
   Fail: (223) [system] char_type('I', end_of_line)
   Call: (223) [system] char_type('I', space)
   Fail: (223) [system] char_type('I', space)
   Call: (223) [system] char_type('I', cntrl)
   Fail: (223) [system] char_type('I', cntrl)
^  Fail: (222) [user] is_like_space('I')
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _1319164)
   Exit: (221) [system] peek_char((0x563acd73bee0), 'I')
   Call: (221) [system] 'I'=')'
   Fail: (221) [system] 'I'=')'
   Call: (221) [system] 'I'=end_of_file
   Fail: (221) [system] 'I'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x563acd73bee0), _1324734)
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _1326592)
   Exit: (223) [system] peek_char((0x563acd73bee0), 'I')
   Call: (223) [system] 'I'=(;)
   Fail: (223) [system] 'I'=(;)
   Call: (223) [system] 'I'=(/)
   Fail: (223) [system] 'I'=(/)
^  Call: (223) [user] is_like_space('I')
   Call: (224) [system] char_type('I', 'white')
   Fail: (224) [system] char_type('I', 'white')
   Call: (224) [system] char_type('I', end_of_line)
   Fail: (224) [system] char_type('I', end_of_line)
   Call: (224) [system] char_type('I', space)
   Fail: (224) [system] char_type('I', space)
   Call: (224) [system] char_type('I', cntrl)
   Fail: (224) [system] char_type('I', cntrl)
^  Fail: (223) [user] is_like_space('I')
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] get_char((0x563acd73bee0), _1342602)
   Exit: (222) [system] get_char((0x563acd73bee0), 'I')
   Call: (222) [system] 'I'='('
   Fail: (222) [system] 'I'='('
   Call: (222) [system] 'I'='['
   Fail: (222) [system] 'I'='['
   Call: (222) [system] 'I'='{'
   Fail: (222) [system] 'I'='{'
   Call: (222) [system] 'I'='"'
   Fail: (222) [system] 'I'='"'
   Call: (222) [system] 'I'=!
   Fail: (222) [system] 'I'=!
   Call: (222) [system] 'I'='\''
   Fail: (222) [system] 'I'='\''
   Call: (222) [system] 'I'='`'
   Fail: (222) [system] 'I'='`'
   Call: (222) [system] 'I'=end_of_file
   Fail: (222) [system] 'I'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x563acd73bee0), 'I', _1324734)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _1360244)
   Call: (224) [system] peek_char((0x563acd73bee0), _1361178)
   Exit: (224) [system] peek_char((0x563acd73bee0), m)
^  Call: (224) [user] is_delimiter(m)
   Call: (225) [system] char_type(m, space)
   Fail: (225) [system] char_type(m, space)
   Call: (225) [system] arg(_1365898, v('(', ')', end_of_file), m)
   Fail: (225) [system] arg(_1366830, v('(', ')', end_of_file), m)
^  Fail: (224) [user] is_delimiter(m)
   Call: (224) [system] ')'==m
   Fail: (224) [system] ')'==m
   Call: (224) [system] get_char((0x563acd73bee0), m)
   Exit: (224) [system] get_char((0x563acd73bee0), m)
   Call: (224) [system] m=(\)
   Fail: (224) [system] m=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _1374180)
   Call: (225) [system] peek_char((0x563acd73bee0), _1375114)
   Exit: (225) [system] peek_char((0x563acd73bee0), p)
^  Call: (225) [user] is_delimiter(p)
   Call: (226) [system] char_type(p, space)
   Fail: (226) [system] char_type(p, space)
   Call: (226) [system] arg(_1379834, v('(', ')', end_of_file), p)
   Fail: (226) [system] arg(_1380766, v('(', ')', end_of_file), p)
^  Fail: (225) [user] is_delimiter(p)
   Call: (225) [system] ')'==p
   Fail: (225) [system] ')'==p
   Call: (225) [system] get_char((0x563acd73bee0), p)
   Exit: (225) [system] get_char((0x563acd73bee0), p)
   Call: (225) [system] p=(\)
   Fail: (225) [system] p=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _1388116)
   Call: (226) [system] peek_char((0x563acd73bee0), _1389050)
   Exit: (226) [system] peek_char((0x563acd73bee0), l)
^  Call: (226) [user] is_delimiter(l)
   Call: (227) [system] char_type(l, space)
   Fail: (227) [system] char_type(l, space)
   Call: (227) [system] arg(_1393770, v('(', ')', end_of_file), l)
   Fail: (227) [system] arg(_1394702, v('(', ')', end_of_file), l)
^  Fail: (226) [user] is_delimiter(l)
   Call: (226) [system] ')'==l
   Fail: (226) [system] ')'==l
   Call: (226) [system] get_char((0x563acd73bee0), l)
   Exit: (226) [system] get_char((0x563acd73bee0), l)
   Call: (226) [system] l=(\)
   Fail: (226) [system] l=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _1402052)
   Call: (227) [system] peek_char((0x563acd73bee0), _1402986)
   Exit: (227) [system] peek_char((0x563acd73bee0), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_1407706, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_1408638, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x563acd73bee0), i)
   Exit: (227) [system] get_char((0x563acd73bee0), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _1415988)
   Call: (228) [system] peek_char((0x563acd73bee0), _1416922)
   Exit: (228) [system] peek_char((0x563acd73bee0), c)
^  Call: (228) [user] is_delimiter(c)
   Call: (229) [system] char_type(c, space)
   Fail: (229) [system] char_type(c, space)
   Call: (229) [system] arg(_1421642, v('(', ')', end_of_file), c)
   Fail: (229) [system] arg(_1422574, v('(', ')', end_of_file), c)
^  Fail: (228) [user] is_delimiter(c)
   Call: (228) [system] ')'==c
   Fail: (228) [system] ')'==c
   Call: (228) [system] get_char((0x563acd73bee0), c)
   Exit: (228) [system] get_char((0x563acd73bee0), c)
   Call: (228) [system] c=(\)
   Fail: (228) [system] c=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _1429924)
   Call: (229) [system] peek_char((0x563acd73bee0), _1430858)
   Exit: (229) [system] peek_char((0x563acd73bee0), a)
^  Call: (229) [user] is_delimiter(a)
   Call: (230) [system] char_type(a, space)
   Fail: (230) [system] char_type(a, space)
   Call: (230) [system] arg(_1435578, v('(', ')', end_of_file), a)
   Fail: (230) [system] arg(_1436510, v('(', ')', end_of_file), a)
^  Fail: (229) [user] is_delimiter(a)
   Call: (229) [system] ')'==a
   Fail: (229) [system] ')'==a
   Call: (229) [system] get_char((0x563acd73bee0), a)
   Exit: (229) [system] get_char((0x563acd73bee0), a)
   Call: (229) [system] a=(\)
   Fail: (229) [system] a=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _1443860)
   Call: (230) [system] peek_char((0x563acd73bee0), _1444794)
   Exit: (230) [system] peek_char((0x563acd73bee0), t)
^  Call: (230) [user] is_delimiter(t)
   Call: (231) [system] char_type(t, space)
   Fail: (231) [system] char_type(t, space)
   Call: (231) [system] arg(_1449514, v('(', ')', end_of_file), t)
   Fail: (231) [system] arg(_1450446, v('(', ')', end_of_file), t)
^  Fail: (230) [user] is_delimiter(t)
   Call: (230) [system] ')'==t
   Fail: (230) [system] ')'==t
   Call: (230) [system] get_char((0x563acd73bee0), t)
   Exit: (230) [system] get_char((0x563acd73bee0), t)
   Call: (230) [system] t=(\)
   Fail: (230) [system] t=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _1457796)
   Call: (231) [system] peek_char((0x563acd73bee0), _1458730)
   Exit: (231) [system] peek_char((0x563acd73bee0), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Fail: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_1463450, v('(', ')', end_of_file), i)
   Fail: (232) [system] arg(_1464382, v('(', ')', end_of_file), i)
^  Fail: (231) [user] is_delimiter(i)
   Call: (231) [system] ')'==i
   Fail: (231) [system] ')'==i
   Call: (231) [system] get_char((0x563acd73bee0), i)
   Exit: (231) [system] get_char((0x563acd73bee0), i)
   Call: (231) [system] i=(\)
   Fail: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _1471732)
   Call: (232) [system] peek_char((0x563acd73bee0), _1472666)
   Exit: (232) [system] peek_char((0x563acd73bee0), o)
^  Call: (232) [user] is_delimiter(o)
   Call: (233) [system] char_type(o, space)
   Fail: (233) [system] char_type(o, space)
   Call: (233) [system] arg(_1477386, v('(', ')', end_of_file), o)
   Fail: (233) [system] arg(_1478318, v('(', ')', end_of_file), o)
^  Fail: (232) [user] is_delimiter(o)
   Call: (232) [system] ')'==o
   Fail: (232) [system] ')'==o
   Call: (232) [system] get_char((0x563acd73bee0), o)
   Exit: (232) [system] get_char((0x563acd73bee0), o)
   Call: (232) [system] o=(\)
   Fail: (232) [system] o=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _1485668)
   Call: (233) [system] peek_char((0x563acd73bee0), _1486602)
   Exit: (233) [system] peek_char((0x563acd73bee0), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_1491322, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_1492254, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x563acd73bee0), n)
   Exit: (233) [system] get_char((0x563acd73bee0), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), _1499604)
   Call: (234) [system] peek_char((0x563acd73bee0), _1500538)
   Exit: (234) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _1499604=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (233) [system] _1485668=[n]
   Exit: (233) [system] [n]=[n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), [n])
   Call: (232) [system] _1471732=[o, n]
   Exit: (232) [system] [o, n]=[o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [o, n])
   Call: (231) [system] _1457796=[i, o, n]
   Exit: (231) [system] [i, o, n]=[i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, o, n])
   Call: (230) [system] _1443860=[t, i, o, n]
   Exit: (230) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [t, i, o, n])
   Call: (229) [system] _1429924=[a, t, i, o, n]
   Exit: (229) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [a, t, i, o, n])
   Call: (228) [system] _1415988=[c, a, t, i, o, n]
   Exit: (228) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [c, a, t, i, o, n])
   Call: (227) [system] _1402052=[i, c, a, t, i, o, n]
   Exit: (227) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, c, a, t, i, o, n])
   Call: (226) [system] _1388116=[l, i, c, a, t, i, o, n]
   Exit: (226) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [l, i, c, a, t, i, o, n])
   Call: (225) [system] _1374180=[p, l, i, c, a, t, i, o, n]
   Exit: (225) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), [p, l, i, c, a, t, i, o, n])
   Call: (224) [system] _1360244=[m, p, l, i, c, a, t, i, o, n]
   Exit: (224) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (223) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], _1324734)
^  Call: (224) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], _1537762)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_1538714, _1538716), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1537762), _1538696, fail)), '$restore_trace'(_1538714, _1538716))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_1538714, _1538716))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1537762), _1538696, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_1537762)
   Fail: (225) [system] atomic(_1537762)
   Call: (225) [system] atom_chars(_1537762, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (225) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (224) [user] classify_and_convert_charseq_(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
   Call: (224) [system] integer('Implication')
   Fail: (224) [system] integer('Implication')
   Call: (224) [system] _1324734='Implication'
   Exit: (224) [system] 'Implication'='Implication'
^  Exit: (223) [user] classify_and_convert_charseq(['I', m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (222) [user] read_symbolic(')', (0x563acd73bee0), 'I', 'Implication')
^  Exit: (221) [user] cont_sexpr(')', (0x563acd73bee0), 'Implication')
^  Call: (221) [user] read_list(')', (0x563acd73bee0), _1552712)
^  Call: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _1554570)
   Exit: (223) [system] peek_char((0x563acd73bee0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
   Call: (223) [system] ' '=(/)
   Fail: (223) [system] ' '=(/)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x563acd73bee0), _1564164)
   Exit: (223) [system] get_char((0x563acd73bee0), ' ')
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _1566868)
   Exit: (224) [system] peek_char((0x563acd73bee0), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
   Call: (224) [system] '('=(/)
   Fail: (224) [system] '('=(/)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
^  Exit: (222) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _1583802)
   Exit: (222) [system] peek_char((0x563acd73bee0), '(')
   Call: (222) [system] '('=')'
   Fail: (222) [system] '('=')'
   Call: (222) [system] '('=end_of_file
   Fail: (222) [system] '('=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x563acd73bee0), _1589372)
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _1591230)
   Exit: (224) [system] peek_char((0x563acd73bee0), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
   Call: (224) [system] '('=(/)
   Fail: (224) [system] '('=(/)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] get_char((0x563acd73bee0), _1607240)
   Exit: (223) [system] get_char((0x563acd73bee0), '(')
   Call: (223) [system] '('='('
   Exit: (223) [system] '('='('
^  Call: (223) [user] read_list(')', (0x563acd73bee0), _1589372)
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _1612810)
   Exit: (225) [system] peek_char((0x563acd73bee0), 'O')
   Call: (225) [system] 'O'=(;)
   Fail: (225) [system] 'O'=(;)
   Call: (225) [system] 'O'=(/)
   Fail: (225) [system] 'O'=(/)
^  Call: (225) [user] is_like_space('O')
   Call: (226) [system] char_type('O', 'white')
   Fail: (226) [system] char_type('O', 'white')
   Call: (226) [system] char_type('O', end_of_line)
   Fail: (226) [system] char_type('O', end_of_line)
   Call: (226) [system] char_type('O', space)
   Fail: (226) [system] char_type('O', space)
   Call: (226) [system] char_type('O', cntrl)
   Fail: (226) [system] char_type('O', cntrl)
^  Fail: (225) [user] is_like_space('O')
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _1628820)
   Exit: (224) [system] peek_char((0x563acd73bee0), 'O')
   Call: (224) [system] 'O'=')'
   Fail: (224) [system] 'O'=')'
   Call: (224) [system] 'O'=end_of_file
   Fail: (224) [system] 'O'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x563acd73bee0), _1634390)
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _1636248)
   Exit: (226) [system] peek_char((0x563acd73bee0), 'O')
   Call: (226) [system] 'O'=(;)
   Fail: (226) [system] 'O'=(;)
   Call: (226) [system] 'O'=(/)
   Fail: (226) [system] 'O'=(/)
^  Call: (226) [user] is_like_space('O')
   Call: (227) [system] char_type('O', 'white')
   Fail: (227) [system] char_type('O', 'white')
   Call: (227) [system] char_type('O', end_of_line)
   Fail: (227) [system] char_type('O', end_of_line)
   Call: (227) [system] char_type('O', space)
   Fail: (227) [system] char_type('O', space)
   Call: (227) [system] char_type('O', cntrl)
   Fail: (227) [system] char_type('O', cntrl)
^  Fail: (226) [user] is_like_space('O')
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] get_char((0x563acd73bee0), _1652258)
   Exit: (225) [system] get_char((0x563acd73bee0), 'O')
   Call: (225) [system] 'O'='('
   Fail: (225) [system] 'O'='('
   Call: (225) [system] 'O'='['
   Fail: (225) [system] 'O'='['
   Call: (225) [system] 'O'='{'
   Fail: (225) [system] 'O'='{'
   Call: (225) [system] 'O'='"'
   Fail: (225) [system] 'O'='"'
   Call: (225) [system] 'O'=!
   Fail: (225) [system] 'O'=!
   Call: (225) [system] 'O'='\''
   Fail: (225) [system] 'O'='\''
   Call: (225) [system] 'O'='`'
   Fail: (225) [system] 'O'='`'
   Call: (225) [system] 'O'=end_of_file
   Fail: (225) [system] 'O'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x563acd73bee0), 'O', _1634390)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _1669900)
   Call: (227) [system] peek_char((0x563acd73bee0), _1670834)
   Exit: (227) [system] peek_char((0x563acd73bee0), r)
^  Call: (227) [user] is_delimiter(r)
   Call: (228) [system] char_type(r, space)
   Fail: (228) [system] char_type(r, space)
   Call: (228) [system] arg(_1675554, v('(', ')', end_of_file), r)
   Fail: (228) [system] arg(_1676486, v('(', ')', end_of_file), r)
^  Fail: (227) [user] is_delimiter(r)
   Call: (227) [system] ')'==r
   Fail: (227) [system] ')'==r
   Call: (227) [system] get_char((0x563acd73bee0), r)
   Exit: (227) [system] get_char((0x563acd73bee0), r)
   Call: (227) [system] r=(\)
   Fail: (227) [system] r=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _1683836)
   Call: (228) [system] peek_char((0x563acd73bee0), _1684770)
   Exit: (228) [system] peek_char((0x563acd73bee0), 'L')
^  Call: (228) [user] is_delimiter('L')
   Call: (229) [system] char_type('L', space)
   Fail: (229) [system] char_type('L', space)
   Call: (229) [system] arg(_1689490, v('(', ')', end_of_file), 'L')
   Fail: (229) [system] arg(_1690422, v('(', ')', end_of_file), 'L')
^  Fail: (228) [user] is_delimiter('L')
   Call: (228) [system] ')'=='L'
   Fail: (228) [system] ')'=='L'
   Call: (228) [system] get_char((0x563acd73bee0), 'L')
   Exit: (228) [system] get_char((0x563acd73bee0), 'L')
   Call: (228) [system] 'L'=(\)
   Fail: (228) [system] 'L'=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _1697772)
   Call: (229) [system] peek_char((0x563acd73bee0), _1698706)
   Exit: (229) [system] peek_char((0x563acd73bee0), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_1703426, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_1704358, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x563acd73bee0), i)
   Exit: (229) [system] get_char((0x563acd73bee0), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _1711708)
   Call: (230) [system] peek_char((0x563acd73bee0), _1712642)
   Exit: (230) [system] peek_char((0x563acd73bee0), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_1717362, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_1718294, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x563acd73bee0), n)
   Exit: (230) [system] get_char((0x563acd73bee0), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _1725644)
   Call: (231) [system] peek_char((0x563acd73bee0), _1726578)
   Exit: (231) [system] peek_char((0x563acd73bee0), k)
^  Call: (231) [user] is_delimiter(k)
   Call: (232) [system] char_type(k, space)
   Fail: (232) [system] char_type(k, space)
   Call: (232) [system] arg(_1731298, v('(', ')', end_of_file), k)
   Fail: (232) [system] arg(_1732230, v('(', ')', end_of_file), k)
^  Fail: (231) [user] is_delimiter(k)
   Call: (231) [system] ')'==k
   Fail: (231) [system] ')'==k
   Call: (231) [system] get_char((0x563acd73bee0), k)
   Exit: (231) [system] get_char((0x563acd73bee0), k)
   Call: (231) [system] k=(\)
   Fail: (231) [system] k=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _1739580)
   Call: (232) [system] peek_char((0x563acd73bee0), _1740514)
   Exit: (232) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _1739580=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
   Call: (231) [system] _1725644=[k]
   Exit: (231) [system] [k]=[k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), [k])
   Call: (230) [system] _1711708=[n, k]
   Exit: (230) [system] [n, k]=[n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), [n, k])
   Call: (229) [system] _1697772=[i, n, k]
   Exit: (229) [system] [i, n, k]=[i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [i, n, k])
   Call: (228) [system] _1683836=['L', i, n, k]
   Exit: (228) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), ['L', i, n, k])
   Call: (227) [system] _1669900=[r, 'L', i, n, k]
   Exit: (227) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), [r, 'L', i, n, k])
^  Call: (226) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], _1634390)
^  Call: (227) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], _1763768)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1764720, _1764722), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1763768), _1764702, fail)), '$restore_trace'(_1764720, _1764722))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1764720, _1764722))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1763768), _1764702, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_1763768)
   Fail: (228) [system] atomic(_1763768)
   Call: (228) [system] atom_chars(_1763768, ['O', r, 'L', i, n, k])
   Exit: (228) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (227) [user] classify_and_convert_charseq_(['O', r, 'L', i, n, k], 'OrLink')
   Call: (227) [system] integer('OrLink')
   Fail: (227) [system] integer('OrLink')
   Call: (227) [system] _1634390='OrLink'
   Exit: (227) [system] 'OrLink'='OrLink'
^  Exit: (226) [user] classify_and_convert_charseq(['O', r, 'L', i, n, k], 'OrLink')
^  Exit: (225) [user] read_symbolic(')', (0x563acd73bee0), 'O', 'OrLink')
^  Exit: (224) [user] cont_sexpr(')', (0x563acd73bee0), 'OrLink')
^  Call: (224) [user] read_list(')', (0x563acd73bee0), _1778718)
^  Call: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _1780576)
   Exit: (226) [system] peek_char((0x563acd73bee0), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
   Call: (226) [system] ' '=(/)
   Fail: (226) [system] ' '=(/)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x563acd73bee0), _1790170)
   Exit: (226) [system] get_char((0x563acd73bee0), ' ')
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _1792874)
   Exit: (227) [system] peek_char((0x563acd73bee0), 'C')
   Call: (227) [system] 'C'=(;)
   Fail: (227) [system] 'C'=(;)
   Call: (227) [system] 'C'=(/)
   Fail: (227) [system] 'C'=(/)
^  Call: (227) [user] is_like_space('C')
   Call: (228) [system] char_type('C', 'white')
   Fail: (228) [system] char_type('C', 'white')
   Call: (228) [system] char_type('C', end_of_line)
   Fail: (228) [system] char_type('C', end_of_line)
   Call: (228) [system] char_type('C', space)
   Fail: (228) [system] char_type('C', space)
   Call: (228) [system] char_type('C', cntrl)
   Fail: (228) [system] char_type('C', cntrl)
^  Fail: (227) [user] is_like_space('C')
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
^  Exit: (225) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _1809808)
   Exit: (225) [system] peek_char((0x563acd73bee0), 'C')
   Call: (225) [system] 'C'=')'
   Fail: (225) [system] 'C'=')'
   Call: (225) [system] 'C'=end_of_file
   Fail: (225) [system] 'C'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x563acd73bee0), _1815378)
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _1817236)
   Exit: (227) [system] peek_char((0x563acd73bee0), 'C')
   Call: (227) [system] 'C'=(;)
   Fail: (227) [system] 'C'=(;)
   Call: (227) [system] 'C'=(/)
   Fail: (227) [system] 'C'=(/)
^  Call: (227) [user] is_like_space('C')
   Call: (228) [system] char_type('C', 'white')
   Fail: (228) [system] char_type('C', 'white')
   Call: (228) [system] char_type('C', end_of_line)
   Fail: (228) [system] char_type('C', end_of_line)
   Call: (228) [system] char_type('C', space)
   Fail: (228) [system] char_type('C', space)
   Call: (228) [system] char_type('C', cntrl)
   Fail: (228) [system] char_type('C', cntrl)
^  Fail: (227) [user] is_like_space('C')
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] get_char((0x563acd73bee0), _1833246)
   Exit: (226) [system] get_char((0x563acd73bee0), 'C')
   Call: (226) [system] 'C'='('
   Fail: (226) [system] 'C'='('
   Call: (226) [system] 'C'='['
   Fail: (226) [system] 'C'='['
   Call: (226) [system] 'C'='{'
   Fail: (226) [system] 'C'='{'
   Call: (226) [system] 'C'='"'
   Fail: (226) [system] 'C'='"'
   Call: (226) [system] 'C'=!
   Fail: (226) [system] 'C'=!
   Call: (226) [system] 'C'='\''
   Fail: (226) [system] 'C'='\''
   Call: (226) [system] 'C'='`'
   Fail: (226) [system] 'C'='`'
   Call: (226) [system] 'C'=end_of_file
   Fail: (226) [system] 'C'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x563acd73bee0), 'C', _1815378)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _1850888)
   Call: (228) [system] peek_char((0x563acd73bee0), _1851822)
   Exit: (228) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _1850888=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (227) [user] classify_and_convert_charseq(['C'], _1815378)
^  Call: (228) [user] classify_and_convert_charseq_(['C'], _1861106)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_1862058, _1862060), once(user:catch(read_from_chars(['C'], _1861106), _1862040, fail)), '$restore_trace'(_1862058, _1862060))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_1862058, _1862060))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1861106), _1862040, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_1861106)
   Fail: (229) [system] atomic(_1861106)
   Call: (229) [system] atom_chars(_1861106, ['C'])
   Exit: (229) [system] atom_chars('C', ['C'])
^  Exit: (228) [user] classify_and_convert_charseq_(['C'], 'C')
   Call: (228) [system] integer('C')
   Fail: (228) [system] integer('C')
   Call: (228) [system] _1815378='C'
   Exit: (228) [system] 'C'='C'
^  Exit: (227) [user] classify_and_convert_charseq(['C'], 'C')
^  Exit: (226) [user] read_symbolic(')', (0x563acd73bee0), 'C', 'C')
^  Exit: (225) [user] cont_sexpr(')', (0x563acd73bee0), 'C')
^  Call: (225) [user] read_list(')', (0x563acd73bee0), _1876056)
^  Call: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _1877914)
   Exit: (227) [system] peek_char((0x563acd73bee0), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
   Call: (227) [system] ' '=(/)
   Fail: (227) [system] ' '=(/)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x563acd73bee0), _1887508)
   Exit: (227) [system] get_char((0x563acd73bee0), ' ')
^  Call: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _1890212)
   Exit: (228) [system] peek_char((0x563acd73bee0), 'D')
   Call: (228) [system] 'D'=(;)
   Fail: (228) [system] 'D'=(;)
   Call: (228) [system] 'D'=(/)
   Fail: (228) [system] 'D'=(/)
^  Call: (228) [user] is_like_space('D')
   Call: (229) [system] char_type('D', 'white')
   Fail: (229) [system] char_type('D', 'white')
   Call: (229) [system] char_type('D', end_of_line)
   Fail: (229) [system] char_type('D', end_of_line)
   Call: (229) [system] char_type('D', space)
   Fail: (229) [system] char_type('D', space)
   Call: (229) [system] char_type('D', cntrl)
   Fail: (229) [system] char_type('D', cntrl)
^  Fail: (228) [user] is_like_space('D')
^  Exit: (227) [user] skip_spaces((0x563acd73bee0))
^  Exit: (226) [user] skip_spaces((0x563acd73bee0))
   Call: (226) [system] peek_char((0x563acd73bee0), _1907146)
   Exit: (226) [system] peek_char((0x563acd73bee0), 'D')
   Call: (226) [system] 'D'=')'
   Fail: (226) [system] 'D'=')'
   Call: (226) [system] 'D'=end_of_file
   Fail: (226) [system] 'D'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x563acd73bee0), _1912716)
^  Call: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _1914574)
   Exit: (228) [system] peek_char((0x563acd73bee0), 'D')
   Call: (228) [system] 'D'=(;)
   Fail: (228) [system] 'D'=(;)
   Call: (228) [system] 'D'=(/)
   Fail: (228) [system] 'D'=(/)
^  Call: (228) [user] is_like_space('D')
   Call: (229) [system] char_type('D', 'white')
   Fail: (229) [system] char_type('D', 'white')
   Call: (229) [system] char_type('D', end_of_line)
   Fail: (229) [system] char_type('D', end_of_line)
   Call: (229) [system] char_type('D', space)
   Fail: (229) [system] char_type('D', space)
   Call: (229) [system] char_type('D', cntrl)
   Fail: (229) [system] char_type('D', cntrl)
^  Fail: (228) [user] is_like_space('D')
^  Exit: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] get_char((0x563acd73bee0), _1930584)
   Exit: (227) [system] get_char((0x563acd73bee0), 'D')
   Call: (227) [system] 'D'='('
   Fail: (227) [system] 'D'='('
   Call: (227) [system] 'D'='['
   Fail: (227) [system] 'D'='['
   Call: (227) [system] 'D'='{'
   Fail: (227) [system] 'D'='{'
   Call: (227) [system] 'D'='"'
   Fail: (227) [system] 'D'='"'
   Call: (227) [system] 'D'=!
   Fail: (227) [system] 'D'=!
   Call: (227) [system] 'D'='\''
   Fail: (227) [system] 'D'='\''
   Call: (227) [system] 'D'='`'
   Fail: (227) [system] 'D'='`'
   Call: (227) [system] 'D'=end_of_file
   Fail: (227) [system] 'D'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x563acd73bee0), 'D', _1912716)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _1948226)
   Call: (229) [system] peek_char((0x563acd73bee0), _1949160)
   Exit: (229) [system] peek_char((0x563acd73bee0), ')')
^  Call: (229) [user] is_delimiter(')')
   Call: (230) [system] char_type(')', space)
   Fail: (230) [system] char_type(')', space)
   Call: (230) [system] arg(_1953880, v('(', ')', end_of_file), ')')
   Exit: (230) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (229) [user] is_delimiter(')')
   Call: (229) [system] _1948226=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (228) [user] classify_and_convert_charseq(['D'], _1912716)
^  Call: (229) [user] classify_and_convert_charseq_(['D'], _1960316)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_1961268, _1961270), once(user:catch(read_from_chars(['D'], _1960316), _1961250, fail)), '$restore_trace'(_1961268, _1961270))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_1961268, _1961270))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1960316), _1961250, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_1960316)
   Fail: (230) [system] atomic(_1960316)
   Call: (230) [system] atom_chars(_1960316, ['D'])
   Exit: (230) [system] atom_chars('D', ['D'])
^  Exit: (229) [user] classify_and_convert_charseq_(['D'], 'D')
   Call: (229) [system] integer('D')
   Fail: (229) [system] integer('D')
   Call: (229) [system] _1912716='D'
   Exit: (229) [system] 'D'='D'
^  Exit: (228) [user] classify_and_convert_charseq(['D'], 'D')
^  Exit: (227) [user] read_symbolic(')', (0x563acd73bee0), 'D', 'D')
^  Exit: (226) [user] cont_sexpr(')', (0x563acd73bee0), 'D')
^  Call: (226) [user] read_list(')', (0x563acd73bee0), _1975266)
^  Call: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (228) [system] peek_char((0x563acd73bee0), _1977124)
   Exit: (228) [system] peek_char((0x563acd73bee0), ')')
   Call: (228) [system] ')'=(;)
   Fail: (228) [system] ')'=(;)
   Call: (228) [system] ')'=(/)
   Fail: (228) [system] ')'=(/)
^  Call: (228) [user] is_like_space(')')
   Call: (229) [system] char_type(')', 'white')
   Fail: (229) [system] char_type(')', 'white')
   Call: (229) [system] char_type(')', end_of_line)
   Fail: (229) [system] char_type(')', end_of_line)
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] char_type(')', cntrl)
   Fail: (229) [system] char_type(')', cntrl)
^  Fail: (228) [user] is_like_space(')')
^  Exit: (227) [user] skip_spaces((0x563acd73bee0))
   Call: (227) [system] peek_char((0x563acd73bee0), _1993134)
   Exit: (227) [system] peek_char((0x563acd73bee0), ')')
   Call: (227) [system] ')'=')'
   Exit: (227) [system] ')'=')'
   Call: (227) [system] get_char((0x563acd73bee0), _1996924)
   Exit: (227) [system] get_char((0x563acd73bee0), ')')
   Call: (227) [system] _1975266=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_list(')', (0x563acd73bee0), [])
   Call: (226) [system] _1876056=['D']
   Exit: (226) [system] ['D']=['D']
^  Exit: (225) [user] read_list(')', (0x563acd73bee0), ['D'])
   Call: (225) [system] _1778718=['C', 'D']
   Exit: (225) [system] ['C', 'D']=['C', 'D']
^  Exit: (224) [user] read_list(')', (0x563acd73bee0), ['C', 'D'])
   Call: (224) [system] _1589372=['OrLink', 'C', 'D']
   Exit: (224) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (223) [user] read_list(')', (0x563acd73bee0), ['OrLink', 'C', 'D'])
^  Exit: (222) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', 'C', 'D'])
^  Call: (222) [user] read_list(')', (0x563acd73bee0), _2010806)
^  Call: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _2012664)
   Exit: (224) [system] peek_char((0x563acd73bee0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
   Call: (224) [system] ' '=(/)
   Fail: (224) [system] ' '=(/)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x563acd73bee0), _2022258)
   Exit: (224) [system] get_char((0x563acd73bee0), ' ')
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _2024962)
   Exit: (225) [system] peek_char((0x563acd73bee0), 'E')
   Call: (225) [system] 'E'=(;)
   Fail: (225) [system] 'E'=(;)
   Call: (225) [system] 'E'=(/)
   Fail: (225) [system] 'E'=(/)
^  Call: (225) [user] is_like_space('E')
   Call: (226) [system] char_type('E', 'white')
   Fail: (226) [system] char_type('E', 'white')
   Call: (226) [system] char_type('E', end_of_line)
   Fail: (226) [system] char_type('E', end_of_line)
   Call: (226) [system] char_type('E', space)
   Fail: (226) [system] char_type('E', space)
   Call: (226) [system] char_type('E', cntrl)
   Fail: (226) [system] char_type('E', cntrl)
^  Fail: (225) [user] is_like_space('E')
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
^  Exit: (223) [user] skip_spaces((0x563acd73bee0))
   Call: (223) [system] peek_char((0x563acd73bee0), _2041896)
   Exit: (223) [system] peek_char((0x563acd73bee0), 'E')
   Call: (223) [system] 'E'=')'
   Fail: (223) [system] 'E'=')'
   Call: (223) [system] 'E'=end_of_file
   Fail: (223) [system] 'E'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x563acd73bee0), _2047466)
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _2049324)
   Exit: (225) [system] peek_char((0x563acd73bee0), 'E')
   Call: (225) [system] 'E'=(;)
   Fail: (225) [system] 'E'=(;)
   Call: (225) [system] 'E'=(/)
   Fail: (225) [system] 'E'=(/)
^  Call: (225) [user] is_like_space('E')
   Call: (226) [system] char_type('E', 'white')
   Fail: (226) [system] char_type('E', 'white')
   Call: (226) [system] char_type('E', end_of_line)
   Fail: (226) [system] char_type('E', end_of_line)
   Call: (226) [system] char_type('E', space)
   Fail: (226) [system] char_type('E', space)
   Call: (226) [system] char_type('E', cntrl)
   Fail: (226) [system] char_type('E', cntrl)
^  Fail: (225) [user] is_like_space('E')
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] get_char((0x563acd73bee0), _2065334)
   Exit: (224) [system] get_char((0x563acd73bee0), 'E')
   Call: (224) [system] 'E'='('
   Fail: (224) [system] 'E'='('
   Call: (224) [system] 'E'='['
   Fail: (224) [system] 'E'='['
   Call: (224) [system] 'E'='{'
   Fail: (224) [system] 'E'='{'
   Call: (224) [system] 'E'='"'
   Fail: (224) [system] 'E'='"'
   Call: (224) [system] 'E'=!
   Fail: (224) [system] 'E'=!
   Call: (224) [system] 'E'='\''
   Fail: (224) [system] 'E'='\''
   Call: (224) [system] 'E'='`'
   Fail: (224) [system] 'E'='`'
   Call: (224) [system] 'E'=end_of_file
   Fail: (224) [system] 'E'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x563acd73bee0), 'E', _2047466)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _2082976)
   Call: (226) [system] peek_char((0x563acd73bee0), _2083910)
   Exit: (226) [system] peek_char((0x563acd73bee0), ')')
^  Call: (226) [user] is_delimiter(')')
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] arg(_2088630, v('(', ')', end_of_file), ')')
   Exit: (227) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (226) [user] is_delimiter(')')
   Call: (226) [system] _2082976=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (225) [user] classify_and_convert_charseq(['E'], _2047466)
^  Call: (226) [user] classify_and_convert_charseq_(['E'], _2095066)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_2096018, _2096020), once(user:catch(read_from_chars(['E'], _2095066), _2096000, fail)), '$restore_trace'(_2096018, _2096020))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_6200, _6202))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _6176), _6182, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_6176)
   Fail: (227) [system] atomic(_6176)
   Call: (227) [system] atom_chars(_6176, ['E'])
   Exit: (227) [system] atom_chars('E', ['E'])
^  Exit: (226) [user] classify_and_convert_charseq_(['E'], 'E')
   Call: (226) [system] integer('E')
   Fail: (226) [system] integer('E')
   Call: (226) [system] _6164='E'
   Exit: (226) [system] 'E'='E'
^  Exit: (225) [user] classify_and_convert_charseq(['E'], 'E')
^  Exit: (224) [user] read_symbolic(')', (0x563acd73bee0), 'E', 'E')
^  Exit: (223) [user] cont_sexpr(')', (0x563acd73bee0), 'E')
^  Call: (223) [user] read_list(')', (0x563acd73bee0), _19228)
^  Call: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (225) [system] peek_char((0x563acd73bee0), _21086)
   Exit: (225) [system] peek_char((0x563acd73bee0), ')')
   Call: (225) [system] ')'=(;)
   Fail: (225) [system] ')'=(;)
   Call: (225) [system] ')'=(/)
   Fail: (225) [system] ')'=(/)
^  Call: (225) [user] is_like_space(')')
   Call: (226) [system] char_type(')', 'white')
   Fail: (226) [system] char_type(')', 'white')
   Call: (226) [system] char_type(')', end_of_line)
   Fail: (226) [system] char_type(')', end_of_line)
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] char_type(')', cntrl)
   Fail: (226) [system] char_type(')', cntrl)
^  Fail: (225) [user] is_like_space(')')
^  Exit: (224) [user] skip_spaces((0x563acd73bee0))
   Call: (224) [system] peek_char((0x563acd73bee0), _37096)
   Exit: (224) [system] peek_char((0x563acd73bee0), ')')
   Call: (224) [system] ')'=')'
   Exit: (224) [system] ')'=')'
   Call: (224) [system] get_char((0x563acd73bee0), _40886)
   Exit: (224) [system] get_char((0x563acd73bee0), ')')
   Call: (224) [system] _19228=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_list(')', (0x563acd73bee0), [])
   Call: (223) [system] _6160=['E']
   Exit: (223) [system] ['E']=['E']
^  Exit: (222) [user] read_list(')', (0x563acd73bee0), ['E'])
   Call: (222) [system] _6136=[['OrLink', 'C', 'D'], 'E']
   Exit: (222) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (221) [user] read_list(')', (0x563acd73bee0), [['OrLink', 'C', 'D'], 'E'])
   Call: (221) [system] _6128=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (221) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (220) [user] read_list(')', (0x563acd73bee0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (219) [user] cont_sexpr(')', (0x563acd73bee0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (219) [user] read_list(')', (0x563acd73bee0), _54768)
^  Call: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _56626)
   Exit: (221) [system] peek_char((0x563acd73bee0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
   Call: (221) [system] ' '=(/)
   Fail: (221) [system] ' '=(/)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x563acd73bee0), _66220)
   Exit: (221) [system] get_char((0x563acd73bee0), ' ')
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _68924)
   Exit: (222) [system] peek_char((0x563acd73bee0), 'A')
   Call: (222) [system] 'A'=(;)
   Fail: (222) [system] 'A'=(;)
   Call: (222) [system] 'A'=(/)
   Fail: (222) [system] 'A'=(/)
^  Call: (222) [user] is_like_space('A')
   Call: (223) [system] char_type('A', 'white')
   Fail: (223) [system] char_type('A', 'white')
   Call: (223) [system] char_type('A', end_of_line)
   Fail: (223) [system] char_type('A', end_of_line)
   Call: (223) [system] char_type('A', space)
   Fail: (223) [system] char_type('A', space)
   Call: (223) [system] char_type('A', cntrl)
   Fail: (223) [system] char_type('A', cntrl)
^  Fail: (222) [user] is_like_space('A')
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
^  Exit: (220) [user] skip_spaces((0x563acd73bee0))
   Call: (220) [system] peek_char((0x563acd73bee0), _85858)
   Exit: (220) [system] peek_char((0x563acd73bee0), 'A')
   Call: (220) [system] 'A'=')'
   Fail: (220) [system] 'A'=')'
   Call: (220) [system] 'A'=end_of_file
   Fail: (220) [system] 'A'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x563acd73bee0), _91428)
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _93286)
   Exit: (222) [system] peek_char((0x563acd73bee0), 'A')
   Call: (222) [system] 'A'=(;)
   Fail: (222) [system] 'A'=(;)
   Call: (222) [system] 'A'=(/)
   Fail: (222) [system] 'A'=(/)
^  Call: (222) [user] is_like_space('A')
   Call: (223) [system] char_type('A', 'white')
   Fail: (223) [system] char_type('A', 'white')
   Call: (223) [system] char_type('A', end_of_line)
   Fail: (223) [system] char_type('A', end_of_line)
   Call: (223) [system] char_type('A', space)
   Fail: (223) [system] char_type('A', space)
   Call: (223) [system] char_type('A', cntrl)
   Fail: (223) [system] char_type('A', cntrl)
^  Fail: (222) [user] is_like_space('A')
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] get_char((0x563acd73bee0), _109296)
   Exit: (221) [system] get_char((0x563acd73bee0), 'A')
   Call: (221) [system] 'A'='('
   Fail: (221) [system] 'A'='('
   Call: (221) [system] 'A'='['
   Fail: (221) [system] 'A'='['
   Call: (221) [system] 'A'='{'
   Fail: (221) [system] 'A'='{'
   Call: (221) [system] 'A'='"'
   Fail: (221) [system] 'A'='"'
   Call: (221) [system] 'A'=!
   Fail: (221) [system] 'A'=!
   Call: (221) [system] 'A'='\''
   Fail: (221) [system] 'A'='\''
   Call: (221) [system] 'A'='`'
   Fail: (221) [system] 'A'='`'
   Call: (221) [system] 'A'=end_of_file
   Fail: (221) [system] 'A'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x563acd73bee0), 'A', _91428)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _126938)
   Call: (223) [system] peek_char((0x563acd73bee0), _127872)
   Exit: (223) [system] peek_char((0x563acd73bee0), ')')
^  Call: (223) [user] is_delimiter(')')
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] arg(_132592, v('(', ')', end_of_file), ')')
   Exit: (224) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (223) [user] is_delimiter(')')
   Call: (223) [system] _126938=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (222) [user] classify_and_convert_charseq(['A'], _91428)
^  Call: (223) [user] classify_and_convert_charseq_(['A'], _139028)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_139980, _139982), once(user:catch(read_from_chars(['A'], _139028), _139962, fail)), '$restore_trace'(_139980, _139982))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_139980, _139982))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _139028), _139962, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_139028)
   Fail: (224) [system] atomic(_139028)
   Call: (224) [system] atom_chars(_139028, ['A'])
   Exit: (224) [system] atom_chars('A', ['A'])
^  Exit: (223) [user] classify_and_convert_charseq_(['A'], 'A')
   Call: (223) [system] integer('A')
   Fail: (223) [system] integer('A')
   Call: (223) [system] _91428='A'
   Exit: (223) [system] 'A'='A'
^  Exit: (222) [user] classify_and_convert_charseq(['A'], 'A')
^  Exit: (221) [user] read_symbolic(')', (0x563acd73bee0), 'A', 'A')
^  Exit: (220) [user] cont_sexpr(')', (0x563acd73bee0), 'A')
^  Call: (220) [user] read_list(')', (0x563acd73bee0), _153978)
^  Call: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (222) [system] peek_char((0x563acd73bee0), _155836)
   Exit: (222) [system] peek_char((0x563acd73bee0), ')')
   Call: (222) [system] ')'=(;)
   Fail: (222) [system] ')'=(;)
   Call: (222) [system] ')'=(/)
   Fail: (222) [system] ')'=(/)
^  Call: (222) [user] is_like_space(')')
   Call: (223) [system] char_type(')', 'white')
   Fail: (223) [system] char_type(')', 'white')
   Call: (223) [system] char_type(')', end_of_line)
   Fail: (223) [system] char_type(')', end_of_line)
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] char_type(')', cntrl)
   Fail: (223) [system] char_type(')', cntrl)
^  Fail: (222) [user] is_like_space(')')
^  Exit: (221) [user] skip_spaces((0x563acd73bee0))
   Call: (221) [system] peek_char((0x563acd73bee0), _171846)
   Exit: (221) [system] peek_char((0x563acd73bee0), ')')
   Call: (221) [system] ')'=')'
   Exit: (221) [system] ')'=')'
   Call: (221) [system] get_char((0x563acd73bee0), _175636)
   Exit: (221) [system] get_char((0x563acd73bee0), ')')
   Call: (221) [system] _153978=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_list(')', (0x563acd73bee0), [])
   Call: (220) [system] _54768=['A']
   Exit: (220) [system] ['A']=['A']
^  Exit: (219) [user] read_list(')', (0x563acd73bee0), ['A'])
   Call: (219) [system] _6124=[['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']
   Exit: (219) [system] [['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']=[['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']
^  Exit: (218) [user] read_list(')', (0x563acd73bee0), [['Implication', ['OrLink', 'C', 'D'], 'E'], 'A'])
   Call: (218) [system] _6116=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']
   Exit: (218) [system] ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']
^  Exit: (217) [user] read_list(')', (0x563acd73bee0), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A'])
^  Exit: (216) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A'])
^  Call: (216) [user] read_list(')', (0x563acd73bee0), _189518)
^  Call: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (218) [system] peek_char((0x563acd73bee0), _191376)
   Exit: (218) [system] peek_char((0x563acd73bee0), ')')
   Call: (218) [system] ')'=(;)
   Fail: (218) [system] ')'=(;)
   Call: (218) [system] ')'=(/)
   Fail: (218) [system] ')'=(/)
^  Call: (218) [user] is_like_space(')')
   Call: (219) [system] char_type(')', 'white')
   Fail: (219) [system] char_type(')', 'white')
   Call: (219) [system] char_type(')', end_of_line)
   Fail: (219) [system] char_type(')', end_of_line)
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] char_type(')', cntrl)
   Fail: (219) [system] char_type(')', cntrl)
^  Fail: (218) [user] is_like_space(')')
^  Exit: (217) [user] skip_spaces((0x563acd73bee0))
   Call: (217) [system] peek_char((0x563acd73bee0), _207386)
   Exit: (217) [system] peek_char((0x563acd73bee0), ')')
   Call: (217) [system] ')'=')'
   Exit: (217) [system] ')'=')'
   Call: (217) [system] get_char((0x563acd73bee0), _211176)
   Exit: (217) [system] get_char((0x563acd73bee0), ')')
   Call: (217) [system] _189518=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_list(')', (0x563acd73bee0), [])
   Call: (216) [system] _6112=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
   Exit: (216) [system] [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
^  Exit: (215) [user] read_list(')', (0x563acd73bee0), [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']])
   Call: (215) [system] _6070=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
   Exit: (215) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
^  Exit: (214) [user] read_list(')', (0x563acd73bee0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']])
   Call: (214) [system] _6062=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
   Exit: (214) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
^  Exit: (213) [user] read_list(')', (0x563acd73bee0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']])
^  Exit: (212) [user] cont_sexpr(')', (0x563acd73bee0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']])
^  Call: (212) [user] read_list(')', (0x563acd73bee0), _225058)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _226916)
   Exit: (214) [system] peek_char((0x563acd73bee0), ')')
   Call: (214) [system] ')'=(;)
   Fail: (214) [system] ')'=(;)
   Call: (214) [system] ')'=(/)
   Fail: (214) [system] ')'=(/)
^  Call: (214) [user] is_like_space(')')
   Call: (215) [system] char_type(')', 'white')
   Fail: (215) [system] char_type(')', 'white')
   Call: (215) [system] char_type(')', end_of_line)
   Fail: (215) [system] char_type(')', end_of_line)
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] char_type(')', cntrl)
   Fail: (215) [system] char_type(')', cntrl)
^  Fail: (214) [user] is_like_space(')')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _242926)
   Exit: (213) [system] peek_char((0x563acd73bee0), ')')
   Call: (213) [system] ')'=')'
   Exit: (213) [system] ')'=')'
   Call: (213) [system] get_char((0x563acd73bee0), _246716)
   Exit: (213) [system] get_char((0x563acd73bee0), ')')
   Call: (213) [system] _225058=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_list(')', (0x563acd73bee0), [])
   Call: (212) [system] _6058=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]]
   Exit: (212) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]]
^  Exit: (211) [user] read_list(')', (0x563acd73bee0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]])
   Call: (211) [system] _6016=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]]
   Exit: (211) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]]
^  Exit: (210) [user] read_list(')', (0x563acd73bee0), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]])
   Call: (210) [system] _6008=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]]
   Exit: (210) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]]
^  Exit: (209) [user] read_list(')', (0x563acd73bee0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]])
^  Exit: (208) [user] cont_sexpr(')', (0x563acd73bee0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]])
^  Call: (208) [user] read_list(')', (0x563acd73bee0), _260598)
^  Call: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] peek_char((0x563acd73bee0), _262456)
   Exit: (210) [system] peek_char((0x563acd73bee0), '\n')
   Call: (210) [system] '\n'=(;)
   Fail: (210) [system] '\n'=(;)
   Call: (210) [system] '\n'=(/)
   Fail: (210) [system] '\n'=(/)
^  Call: (210) [user] is_like_space('\n')
   Call: (211) [system] char_type('\n', 'white')
   Fail: (211) [system] char_type('\n', 'white')
   Call: (211) [system] char_type('\n', end_of_line)
   Exit: (211) [system] char_type('\n', end_of_line)
^  Exit: (210) [user] is_like_space('\n')
   Call: (210) [system] get_char((0x563acd73bee0), _273906)
   Exit: (210) [system] get_char((0x563acd73bee0), '\n')
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _276610)
   Exit: (211) [system] peek_char((0x563acd73bee0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
   Call: (211) [system] ' '=(/)
   Fail: (211) [system] ' '=(/)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x563acd73bee0), _286204)
   Exit: (211) [system] get_char((0x563acd73bee0), ' ')
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _288908)
   Exit: (212) [system] peek_char((0x563acd73bee0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
   Call: (212) [system] '('=(/)
   Fail: (212) [system] '('=(/)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
^  Exit: (209) [user] skip_spaces((0x563acd73bee0))
   Call: (209) [system] peek_char((0x563acd73bee0), _306766)
   Exit: (209) [system] peek_char((0x563acd73bee0), '(')
   Call: (209) [system] '('=')'
   Fail: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
   Fail: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x563acd73bee0), _312336)
^  Call: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _314194)
   Exit: (211) [system] peek_char((0x563acd73bee0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
   Call: (211) [system] '('=(/)
   Fail: (211) [system] '('=(/)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x563acd73bee0))
   Call: (210) [system] get_char((0x563acd73bee0), _330204)
   Exit: (210) [system] get_char((0x563acd73bee0), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x563acd73bee0), _312336)
^  Call: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _335774)
   Exit: (212) [system] peek_char((0x563acd73bee0), :)
   Call: (212) [system] (:)=(;)
   Fail: (212) [system] (:)=(;)
   Call: (212) [system] (:)=(/)
   Fail: (212) [system] (:)=(/)
^  Call: (212) [user] is_like_space(:)
   Call: (213) [system] char_type(:, 'white')
   Fail: (213) [system] char_type(:, 'white')
   Call: (213) [system] char_type(:, end_of_line)
   Fail: (213) [system] char_type(:, end_of_line)
   Call: (213) [system] char_type(:, space)
   Fail: (213) [system] char_type(:, space)
   Call: (213) [system] char_type(:, cntrl)
   Fail: (213) [system] char_type(:, cntrl)
^  Fail: (212) [user] is_like_space(:)
^  Exit: (211) [user] skip_spaces((0x563acd73bee0))
   Call: (211) [system] peek_char((0x563acd73bee0), _351784)
   Exit: (211) [system] peek_char((0x563acd73bee0), :)
   Call: (211) [system] (:)=')'
   Fail: (211) [system] (:)=')'
   Call: (211) [system] (:)=end_of_file
   Fail: (211) [system] (:)=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x563acd73bee0), _357354)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _359212)
   Exit: (213) [system] peek_char((0x563acd73bee0), :)
   Call: (213) [system] (:)=(;)
   Fail: (213) [system] (:)=(;)
   Call: (213) [system] (:)=(/)
   Fail: (213) [system] (:)=(/)
^  Call: (213) [user] is_like_space(:)
   Call: (214) [system] char_type(:, 'white')
   Fail: (214) [system] char_type(:, 'white')
   Call: (214) [system] char_type(:, end_of_line)
   Fail: (214) [system] char_type(:, end_of_line)
   Call: (214) [system] char_type(:, space)
   Fail: (214) [system] char_type(:, space)
   Call: (214) [system] char_type(:, cntrl)
   Fail: (214) [system] char_type(:, cntrl)
^  Fail: (213) [user] is_like_space(:)
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] get_char((0x563acd73bee0), _375222)
   Exit: (212) [system] get_char((0x563acd73bee0), :)
   Call: (212) [system] (:)='('
   Fail: (212) [system] (:)='('
   Call: (212) [system] (:)='['
   Fail: (212) [system] (:)='['
   Call: (212) [system] (:)='{'
   Fail: (212) [system] (:)='{'
   Call: (212) [system] (:)='"'
   Fail: (212) [system] (:)='"'
   Call: (212) [system] (:)=!
   Fail: (212) [system] (:)=!
   Call: (212) [system] (:)='\''
   Fail: (212) [system] (:)='\''
   Call: (212) [system] (:)='`'
   Fail: (212) [system] (:)='`'
   Call: (212) [system] (:)=end_of_file
   Fail: (212) [system] (:)=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x563acd73bee0), :, _357354)
^  Call: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), _392864)
   Call: (214) [system] peek_char((0x563acd73bee0), _393798)
   Exit: (214) [system] peek_char((0x563acd73bee0), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _392864=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x563acd73bee0), [])
^  Call: (213) [user] classify_and_convert_charseq([:], _357354)
^  Call: (214) [user] classify_and_convert_charseq_([:], _403082)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_404034, _404036), once(user:catch(read_from_chars([:], _403082), _404016, fail)), '$restore_trace'(_404034, _404036))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_404034, _404036))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _404016, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(:)
   Exit: (215) [system] atomic(:)
^  Exit: (214) [user] classify_and_convert_charseq_([:], :)
   Call: (214) [system] integer(:)
   Fail: (214) [system] integer(:)
   Call: (214) [system] _357354=(:)
   Exit: (214) [system] (:)=(:)
^  Exit: (213) [user] classify_and_convert_charseq([:], :)
^  Exit: (212) [user] read_symbolic(')', (0x563acd73bee0), :, :)
^  Exit: (211) [user] cont_sexpr(')', (0x563acd73bee0), :)
^  Call: (211) [user] read_list(')', (0x563acd73bee0), _416162)
^  Call: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] peek_char((0x563acd73bee0), _418020)
   Exit: (213) [system] peek_char((0x563acd73bee0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
   Call: (213) [system] ' '=(/)
   Fail: (213) [system] ' '=(/)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x563acd73bee0), _427614)
   Exit: (213) [system] get_char((0x563acd73bee0), ' ')
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _430318)
   Exit: (214) [system] peek_char((0x563acd73bee0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
^  Exit: (212) [user] skip_spaces((0x563acd73bee0))
   Call: (212) [system] peek_char((0x563acd73bee0), _447252)
   Exit: (212) [system] peek_char((0x563acd73bee0), '(')
   Call: (212) [system] '('=')'
   Fail: (212) [system] '('=')'
   Call: (212) [system] '('=end_of_file
   Fail: (212) [system] '('=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x563acd73bee0), _452822)
^  Call: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _454680)
   Exit: (214) [system] peek_char((0x563acd73bee0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
   Call: (214) [system] '('=(/)
   Fail: (214) [system] '('=(/)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x563acd73bee0))
   Call: (213) [system] get_char((0x563acd73bee0), _470690)
   Exit: (213) [system] get_char((0x563acd73bee0), '(')
   Call: (213) [system] '('='('
   Exit: (213) [system] '('='('
^  Call: (213) [user] read_list(')', (0x563acd73bee0), _452822)
^  Call: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] peek_char((0x563acd73bee0), _476260)
   Exit: (215) [system] peek_char((0x563acd73bee0), 'D')
   Call: (215) [system] 'D'=(;)
   Fail: (215) [system] 'D'=(;)
   Call: (215) [system] 'D'=(/)
   Fail: (215) [system] 'D'=(/)
^  Call: (215) [user] is_like_space('D')
   Call: (216) [system] char_type('D', 'white')
   Fail: (216) [system] char_type('D', 'white')
   Call: (216) [system] char_type('D', end_of_line)
   Fail: (216) [system] char_type('D', end_of_line)
   Call: (216) [system] char_type('D', space)
   Fail: (216) [system] char_type('D', space)
   Call: (216) [system] char_type('D', cntrl)
   Fail: (216) [system] char_type('D', cntrl)
^  Fail: (215) [user] is_like_space('D')
^  Exit: (214) [user] skip_spaces((0x563acd73bee0))
   Call: (214) [system] peek_char((0x563acd73bee0), _492270)
   Exit: (214) [system] peek_char((0x563acd73bee0), 'D')
   Call: (214) [system] 'D'=')'
   Fail: (214) [system] 'D'=')'
   Call: (214) [system] 'D'=end_of_file
   Fail: (214) [system] 'D'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x563acd73bee0), _497840)
^  Call: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (216) [system] peek_char((0x563acd73bee0), _499698)
   Exit: (216) [system] peek_char((0x563acd73bee0), 'D')
   Call: (216) [system] 'D'=(;)
   Fail: (216) [system] 'D'=(;)
   Call: (216) [system] 'D'=(/)
   Fail: (216) [system] 'D'=(/)
^  Call: (216) [user] is_like_space('D')
   Call: (217) [system] char_type('D', 'white')
   Fail: (217) [system] char_type('D', 'white')
   Call: (217) [system] char_type('D', end_of_line)
   Fail: (217) [system] char_type('D', end_of_line)
   Call: (217) [system] char_type('D', space)
   Fail: (217) [system] char_type('D', space)
   Call: (217) [system] char_type('D', cntrl)
   Fail: (217) [system] char_type('D', cntrl)
^  Fail: (216) [user] is_like_space('D')
^  Exit: (215) [user] skip_spaces((0x563acd73bee0))
   Call: (215) [system] get_char((0x563acd73bee0), _515708)
   Exit: (215) [system] get_char((0x563acd73bee0), 'D')
   Call: (215) [system] 'D'='('
   Fail: (215) [system] 'D'='('
   Call: (215) [system] 'D'='['
   Fail: (215) [system] 'D'='['
   Call: (215) [system] 'D'='{'
   Fail: (215) [system] 'D'='{'
   Call: (215) [system] 'D'='"'
   Fail: (215) [system] 'D'='"'
   Call: (215) [system] 'D'=!
   Fail: (215) [system] 'D'=!
   Call: (215) [system] 'D'='\''
   Fail: (215) [system] 'D'='\''
   Call: (215) [system] 'D'='`'
   Fail: (215) [system] 'D'='`'
   Call: (215) [system] 'D'=end_of_file
   Fail: (215) [system] 'D'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x563acd73bee0), 'D', _497840)
^  Call: (216) [user] read_symbolic_cont(')', (0x563acd73bee0), _533350)
   Call: (217) [system] peek_char((0x563acd73bee0), _534284)
   Exit: (217) [system] peek_char((0x563acd73bee0), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_539004, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_539936, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x563acd73bee0), i)
   Exit: (217) [system] get_char((0x563acd73bee0), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x563acd73bee0), _547286)
   Call: (218) [system] peek_char((0x563acd73bee0), _548220)
   Exit: (218) [system] peek_char((0x563acd73bee0), s)
^  Call: (218) [user] is_delimiter(s)
   Call: (219) [system] char_type(s, space)
   Fail: (219) [system] char_type(s, space)
   Call: (219) [system] arg(_552940, v('(', ')', end_of_file), s)
   Fail: (219) [system] arg(_553872, v('(', ')', end_of_file), s)
^  Fail: (218) [user] is_delimiter(s)
   Call: (218) [system] ')'==s
   Fail: (218) [system] ')'==s
   Call: (218) [system] get_char((0x563acd73bee0), s)
   Exit: (218) [system] get_char((0x563acd73bee0), s)
   Call: (218) [system] s=(\)
   Fail: (218) [system] s=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x563acd73bee0), _561222)
   Call: (219) [system] peek_char((0x563acd73bee0), _562156)
   Exit: (219) [system] peek_char((0x563acd73bee0), j)
^  Call: (219) [user] is_delimiter(j)
   Call: (220) [system] char_type(j, space)
   Fail: (220) [system] char_type(j, space)
   Call: (220) [system] arg(_566876, v('(', ')', end_of_file), j)
   Fail: (220) [system] arg(_567808, v('(', ')', end_of_file), j)
^  Fail: (219) [user] is_delimiter(j)
   Call: (219) [system] ')'==j
   Fail: (219) [system] ')'==j
   Call: (219) [system] get_char((0x563acd73bee0), j)
   Exit: (219) [system] get_char((0x563acd73bee0), j)
   Call: (219) [system] j=(\)
   Fail: (219) [system] j=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x563acd73bee0), _575158)
   Call: (220) [system] peek_char((0x563acd73bee0), _576092)
   Exit: (220) [system] peek_char((0x563acd73bee0), u)
^  Call: (220) [user] is_delimiter(u)
   Call: (221) [system] char_type(u, space)
   Fail: (221) [system] char_type(u, space)
   Call: (221) [system] arg(_580812, v('(', ')', end_of_file), u)
   Fail: (221) [system] arg(_581744, v('(', ')', end_of_file), u)
^  Fail: (220) [user] is_delimiter(u)
   Call: (220) [system] ')'==u
   Fail: (220) [system] ')'==u
   Call: (220) [system] get_char((0x563acd73bee0), u)
   Exit: (220) [system] get_char((0x563acd73bee0), u)
   Call: (220) [system] u=(\)
   Fail: (220) [system] u=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x563acd73bee0), _589094)
   Call: (221) [system] peek_char((0x563acd73bee0), _590028)
   Exit: (221) [system] peek_char((0x563acd73bee0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_594748, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_595680, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x563acd73bee0), n)
   Exit: (221) [system] get_char((0x563acd73bee0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x563acd73bee0), _603030)
   Call: (222) [system] peek_char((0x563acd73bee0), _603964)
   Exit: (222) [system] peek_char((0x563acd73bee0), c)
^  Call: (222) [user] is_delimiter(c)
   Call: (223) [system] char_type(c, space)
   Fail: (223) [system] char_type(c, space)
   Call: (223) [system] arg(_608684, v('(', ')', end_of_file), c)
   Fail: (223) [system] arg(_609616, v('(', ')', end_of_file), c)
^  Fail: (222) [user] is_delimiter(c)
   Call: (222) [system] ')'==c
   Fail: (222) [system] ')'==c
   Call: (222) [system] get_char((0x563acd73bee0), c)
   Exit: (222) [system] get_char((0x563acd73bee0), c)
   Call: (222) [system] c=(\)
   Fail: (222) [system] c=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x563acd73bee0), _616966)
   Call: (223) [system] peek_char((0x563acd73bee0), _617900)
   Exit: (223) [system] peek_char((0x563acd73bee0), t)
^  Call: (223) [user] is_delimiter(t)
   Call: (224) [system] char_type(t, space)
   Fail: (224) [system] char_type(t, space)
   Call: (224) [system] arg(_622620, v('(', ')', end_of_file), t)
   Fail: (224) [system] arg(_623552, v('(', ')', end_of_file), t)
^  Fail: (223) [user] is_delimiter(t)
   Call: (223) [system] ')'==t
   Fail: (223) [system] ')'==t
   Call: (223) [system] get_char((0x563acd73bee0), t)
   Exit: (223) [system] get_char((0x563acd73bee0), t)
   Call: (223) [system] t=(\)
   Fail: (223) [system] t=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x563acd73bee0), _630902)
   Call: (224) [system] peek_char((0x563acd73bee0), _631836)
   Exit: (224) [system] peek_char((0x563acd73bee0), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Fail: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_636556, v('(', ')', end_of_file), i)
   Fail: (225) [system] arg(_637488, v('(', ')', end_of_file), i)
^  Fail: (224) [user] is_delimiter(i)
   Call: (224) [system] ')'==i
   Fail: (224) [system] ')'==i
   Call: (224) [system] get_char((0x563acd73bee0), i)
   Exit: (224) [system] get_char((0x563acd73bee0), i)
   Call: (224) [system] i=(\)
   Fail: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x563acd73bee0), _644838)
   Call: (225) [system] peek_char((0x563acd73bee0), _645772)
   Exit: (225) [system] peek_char((0x563acd73bee0), o)
^  Call: (225) [user] is_delimiter(o)
   Call: (226) [system] char_type(o, space)
   Fail: (226) [system] char_type(o, space)
   Call: (226) [system] arg(_650492, v('(', ')', end_of_file), o)
   Fail: (226) [system] arg(_651424, v('(', ')', end_of_file), o)
^  Fail: (225) [user] is_delimiter(o)
   Call: (225) [system] ')'==o
   Fail: (225) [system] ')'==o
   Call: (225) [system] get_char((0x563acd73bee0), o)
   Exit: (225) [system] get_char((0x563acd73bee0), o)
   Call: (225) [system] o=(\)
   Fail: (225) [system] o=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x563acd73bee0), _658774)
   Call: (226) [system] peek_char((0x563acd73bee0), _659708)
   Exit: (226) [system] peek_char((0x563acd73bee0), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_664428, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_665360, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x563acd73bee0), n)
   Exit: (226) [system] get_char((0x563acd73bee0), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x563acd73bee0), _672710)
   Call: (227) [system] peek_char((0x563acd73bee0), _673644)
   Exit: (227) [system] peek_char((0x563acd73bee0), 'I')
^  Call: (227) [user] is_delimiter('I')
   Call: (228) [system] char_type('I', space)
   Fail: (228) [system] char_type('I', space)
   Call: (228) [system] arg(_678364, v('(', ')', end_of_file), 'I')
   Fail: (228) [system] arg(_679296, v('(', ')', end_of_file), 'I')
^  Fail: (227) [user] is_delimiter('I')
   Call: (227) [system] ')'=='I'
   Fail: (227) [system] ')'=='I'
   Call: (227) [system] get_char((0x563acd73bee0), 'I')
   Exit: (227) [system] get_char((0x563acd73bee0), 'I')
   Call: (227) [system] 'I'=(\)
   Fail: (227) [system] 'I'=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x563acd73bee0), _686646)
   Call: (228) [system] peek_char((0x563acd73bee0), _687580)
   Exit: (228) [system] peek_char((0x563acd73bee0), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_692300, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_693232, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x563acd73bee0), n)
   Exit: (228) [system] get_char((0x563acd73bee0), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x563acd73bee0), _700582)
   Call: (229) [system] peek_char((0x563acd73bee0), _701516)
   Exit: (229) [system] peek_char((0x563acd73bee0), t)
^  Call: (229) [user] is_delimiter(t)
   Call: (230) [system] char_type(t, space)
   Fail: (230) [system] char_type(t, space)
   Call: (230) [system] arg(_706236, v('(', ')', end_of_file), t)
   Fail: (230) [system] arg(_707168, v('(', ')', end_of_file), t)
^  Fail: (229) [user] is_delimiter(t)
   Call: (229) [system] ')'==t
   Fail: (229) [system] ')'==t
   Call: (229) [system] get_char((0x563acd73bee0), t)
   Exit: (229) [system] get_char((0x563acd73bee0), t)
   Call: (229) [system] t=(\)
   Fail: (229) [system] t=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x563acd73bee0), _714518)
   Call: (230) [system] peek_char((0x563acd73bee0), _715452)
   Exit: (230) [system] peek_char((0x563acd73bee0), r)
^  Call: (230) [user] is_delimiter(r)
   Call: (231) [system] char_type(r, space)
   Fail: (231) [system] char_type(r, space)
   Call: (231) [system] arg(_720172, v('(', ')', end_of_file), r)
   Fail: (231) [system] arg(_721104, v('(', ')', end_of_file), r)
^  Fail: (230) [user] is_delimiter(r)
   Call: (230) [system] ')'==r
   Fail: (230) [system] ')'==r
   Call: (230) [system] get_char((0x563acd73bee0), r)
   Exit: (230) [system] get_char((0x563acd73bee0), r)
   Call: (230) [system] r=(\)
   Fail: (230) [system] r=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x563acd73bee0), _728454)
   Call: (231) [system] peek_char((0x563acd73bee0), _729388)
   Exit: (231) [system] peek_char((0x563acd73bee0), o)
^  Call: (231) [user] is_delimiter(o)
   Call: (232) [system] char_type(o, space)
   Fail: (232) [system] char_type(o, space)
   Call: (232) [system] arg(_734108, v('(', ')', end_of_file), o)
   Fail: (232) [system] arg(_735040, v('(', ')', end_of_file), o)
^  Fail: (231) [user] is_delimiter(o)
   Call: (231) [system] ')'==o
   Fail: (231) [system] ')'==o
   Call: (231) [system] get_char((0x563acd73bee0), o)
   Exit: (231) [system] get_char((0x563acd73bee0), o)
   Call: (231) [system] o=(\)
   Fail: (231) [system] o=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x563acd73bee0), _742390)
   Call: (232) [system] peek_char((0x563acd73bee0), _743324)
   Exit: (232) [system] peek_char((0x563acd73bee0), d)
^  Call: (232) [user] is_delimiter(d)
   Call: (233) [system] char_type(d, space)
   Fail: (233) [system] char_type(d, space)
   Call: (233) [system] arg(_748044, v('(', ')', end_of_file), d)
   Fail: (233) [system] arg(_748976, v('(', ')', end_of_file), d)
^  Fail: (232) [user] is_delimiter(d)
   Call: (232) [system] ')'==d
   Fail: (232) [system] ')'==d
   Call: (232) [system] get_char((0x563acd73bee0), d)
   Exit: (232) [system] get_char((0x563acd73bee0), d)
   Call: (232) [system] d=(\)
   Fail: (232) [system] d=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x563acd73bee0), _756326)
   Call: (233) [system] peek_char((0x563acd73bee0), _757260)
   Exit: (233) [system] peek_char((0x563acd73bee0), u)
^  Call: (233) [user] is_delimiter(u)
   Call: (234) [system] char_type(u, space)
   Fail: (234) [system] char_type(u, space)
   Call: (234) [system] arg(_761980, v('(', ')', end_of_file), u)
   Fail: (234) [system] arg(_762912, v('(', ')', end_of_file), u)
^  Fail: (233) [user] is_delimiter(u)
   Call: (233) [system] ')'==u
   Fail: (233) [system] ')'==u
   Call: (233) [system] get_char((0x563acd73bee0), u)
   Exit: (233) [system] get_char((0x563acd73bee0), u)
   Call: (233) [system] u=(\)
   Fail: (233) [system] u=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x563acd73bee0), _770262)
   Call: (234) [system] peek_char((0x563acd73bee0), _771196)
   Exit: (234) [system] peek_char((0x563acd73bee0), c)
^  Call: (234) [user] is_delimiter(c)
   Call: (235) [system] char_type(c, space)
   Fail: (235) [system] char_type(c, space)
   Call: (235) [system] arg(_775916, v('(', ')', end_of_file), c)
   Fail: (235) [system] arg(_776848, v('(', ')', end_of_file), c)
^  Fail: (234) [user] is_delimiter(c)
   Call: (234) [system] ')'==c
   Fail: (234) [system] ')'==c
   Call: (234) [system] get_char((0x563acd73bee0), c)
   Exit: (234) [system] get_char((0x563acd73bee0), c)
   Call: (234) [system] c=(\)
   Fail: (234) [system] c=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x563acd73bee0), _784198)
   Call: (235) [system] peek_char((0x563acd73bee0), _785132)
   Exit: (235) [system] peek_char((0x563acd73bee0), t)
^  Call: (235) [user] is_delimiter(t)
   Call: (236) [system] char_type(t, space)
   Fail: (236) [system] char_type(t, space)
   Call: (236) [system] arg(_789852, v('(', ')', end_of_file), t)
   Fail: (236) [system] arg(_790784, v('(', ')', end_of_file), t)
^  Fail: (235) [user] is_delimiter(t)
   Call: (235) [system] ')'==t
   Fail: (235) [system] ')'==t
   Call: (235) [system] get_char((0x563acd73bee0), t)
   Exit: (235) [system] get_char((0x563acd73bee0), t)
   Call: (235) [system] t=(\)

Script done on 2024-09-24 19:03:38+00:00 [COMMAND_EXIT_CODE="143"]

\033[1;33mCompleted (EXITCODE=143) Under 40 seconds: ./mettalog '--output=./reports/tests_output/baseline-compat-2024-09-24T18:53:33/' --timeout=40 --html --repl=false --test "tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta" --halt=true\033[0m